diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx')
57 files changed, 13531 insertions, 3565 deletions
diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig index a82c4cd436d8..7b14d5bc63d6 100644 --- a/drivers/net/wireless/wl12xx/Kconfig +++ b/drivers/net/wireless/wl12xx/Kconfig @@ -1,11 +1,52 @@ -config WL12XX - tristate "TI wl1251/wl1271 support" - depends on MAC80211 && WLAN_80211 && SPI_MASTER && GENERIC_HARDIRQS && EXPERIMENTAL +menuconfig WL12XX + boolean "TI wl12xx driver support" + depends on MAC80211 && WLAN_80211 && EXPERIMENTAL + ---help--- + This will enable TI wl12xx driver support. The drivers make + use of the mac80211 stack. + +config WL1251 + tristate "TI wl1251 support" + depends on WL12XX && GENERIC_HARDIRQS select FW_LOADER select CRC7 ---help--- This module adds support for wireless adapters based on - TI wl1251/wl1271 chipsets. + TI wl1251 chipset. + + If you choose to build a module, it'll be called wl1251. Say + N if unsure. + +config WL1251_SPI + tristate "TI wl1251 SPI support" + depends on WL1251 && SPI_MASTER + ---help--- + This module adds support for the SPI interface of adapters using + TI wl1251 chipset. Select this if your platform is using + the SPI bus. + + If you choose to build a module, it'll be called wl1251_spi. + Say N if unsure. + +config WL1251_SDIO + tristate "TI wl1251 SDIO support" + depends on WL1251 && MMC + ---help--- + This module adds support for the SDIO interface of adapters using + TI wl1251 chipset. Select this if your platform is using + the SDIO bus. + + If you choose to build a module, it'll be called + wl1251_sdio. Say N if unsure. + +config WL1271 + tristate "TI wl1271 support" + depends on WL12XX && SPI_MASTER && GENERIC_HARDIRQS + select FW_LOADER + select CRC7 + ---help--- + This module adds support for wireless adapters based on the + TI wl1271 chipset. - If you choose to build a module, it'll be called wl12xx. Say N if + If you choose to build a module, it'll be called wl1271. Say N if unsure. diff --git a/drivers/net/wireless/wl12xx/Makefile b/drivers/net/wireless/wl12xx/Makefile index d43de27dc54c..62e37ad01cc0 100644 --- a/drivers/net/wireless/wl12xx/Makefile +++ b/drivers/net/wireless/wl12xx/Makefile @@ -1,4 +1,14 @@ -wl12xx-objs = main.o spi.o event.o tx.o rx.o \ - ps.o cmd.o acx.o boot.o init.o wl1251.o \ - debugfs.o -obj-$(CONFIG_WL12XX) += wl12xx.o +wl1251-objs = wl1251_main.o wl1251_event.o \ + wl1251_tx.o wl1251_rx.o wl1251_ps.o wl1251_cmd.o \ + wl1251_acx.o wl1251_boot.o wl1251_init.o \ + wl1251_debugfs.o wl1251_io.o + +obj-$(CONFIG_WL1251) += wl1251.o +obj-$(CONFIG_WL1251_SPI) += wl1251_spi.o +obj-$(CONFIG_WL1251_SDIO) += wl1251_sdio.o + +wl1271-objs = wl1271_main.o wl1271_spi.o wl1271_cmd.o \ + wl1271_event.o wl1271_tx.o wl1271_rx.o \ + wl1271_ps.o wl1271_acx.o wl1271_boot.o \ + wl1271_init.o wl1271_debugfs.o +obj-$(CONFIG_WL1271) += wl1271.o diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c deleted file mode 100644 index 1cfd458ad5ab..000000000000 --- a/drivers/net/wireless/wl12xx/acx.c +++ /dev/null @@ -1,689 +0,0 @@ -#include "acx.h" - -#include <linux/module.h> -#include <linux/crc7.h> -#include <linux/spi/spi.h> - -#include "wl12xx.h" -#include "wl12xx_80211.h" -#include "reg.h" -#include "spi.h" -#include "ps.h" - -int wl12xx_acx_frame_rates(struct wl12xx *wl, u8 ctrl_rate, u8 ctrl_mod, - u8 mgt_rate, u8 mgt_mod) -{ - int ret; - struct acx_fw_gen_frame_rates rates; - - wl12xx_debug(DEBUG_ACX, "acx frame rates"); - - rates.header.id = ACX_FW_GEN_FRAME_RATES; - rates.header.len = sizeof(struct acx_fw_gen_frame_rates) - - sizeof(struct acx_header); - - rates.tx_ctrl_frame_rate = ctrl_rate; - rates.tx_ctrl_frame_mod = ctrl_mod; - rates.tx_mgt_frame_rate = mgt_rate; - rates.tx_mgt_frame_mod = mgt_mod; - - ret = wl12xx_cmd_configure(wl, &rates, sizeof(rates)); - if (ret < 0) { - wl12xx_error("Failed to set FW rates and modulation"); - return ret; - } - - return 0; -} - - -int wl12xx_acx_station_id(struct wl12xx *wl) -{ - int ret, i; - struct dot11_station_id mac; - - wl12xx_debug(DEBUG_ACX, "acx dot11_station_id"); - - mac.header.id = DOT11_STATION_ID; - mac.header.len = sizeof(mac) - sizeof(struct acx_header); - - for (i = 0; i < ETH_ALEN; i++) - mac.mac[i] = wl->mac_addr[ETH_ALEN - 1 - i]; - - ret = wl12xx_cmd_configure(wl, &mac, sizeof(mac)); - if (ret < 0) - return ret; - - return 0; -} - -int wl12xx_acx_default_key(struct wl12xx *wl, u8 key_id) -{ - struct acx_dot11_default_key default_key; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx dot11_default_key (%d)", key_id); - - default_key.header.id = DOT11_DEFAULT_KEY; - default_key.header.len = sizeof(default_key) - - sizeof(struct acx_header); - - default_key.id = key_id; - - ret = wl12xx_cmd_configure(wl, &default_key, sizeof(default_key)); - if (ret < 0) { - wl12xx_error("Couldnt set default key"); - return ret; - } - - wl->default_key = key_id; - - return 0; -} - -int wl12xx_acx_wake_up_conditions(struct wl12xx *wl, u8 listen_interval) -{ - struct acx_wake_up_condition wake_up; - - wl12xx_debug(DEBUG_ACX, "acx wake up conditions"); - - wake_up.header.id = ACX_WAKE_UP_CONDITIONS; - wake_up.header.len = sizeof(wake_up) - sizeof(struct acx_header); - - wake_up.wake_up_event = WAKE_UP_EVENT_DTIM_BITMAP; - wake_up.listen_interval = listen_interval; - - return wl12xx_cmd_configure(wl, &wake_up, sizeof(wake_up)); -} - -int wl12xx_acx_sleep_auth(struct wl12xx *wl, u8 sleep_auth) -{ - int ret; - struct acx_sleep_auth auth; - - wl12xx_debug(DEBUG_ACX, "acx sleep auth"); - - auth.header.id = ACX_SLEEP_AUTH; - auth.header.len = sizeof(auth) - sizeof(struct acx_header); - - auth.sleep_auth = sleep_auth; - - ret = wl12xx_cmd_configure(wl, &auth, sizeof(auth)); - if (ret < 0) - return ret; - - return 0; -} - -int wl12xx_acx_fw_version(struct wl12xx *wl, char *buf, size_t len) -{ - struct wl12xx_command cmd; - struct acx_revision *rev; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx fw rev"); - - memset(&cmd, 0, sizeof(cmd)); - - ret = wl12xx_cmd_interrogate(wl, ACX_FW_REV, sizeof(*rev), &cmd); - if (ret < 0) { - wl12xx_warning("ACX_FW_REV interrogate failed"); - return ret; - } - - rev = (struct acx_revision *) &cmd.parameters; - - /* be careful with the buffer sizes */ - strncpy(buf, rev->fw_version, min(len, sizeof(rev->fw_version))); - - /* - * if the firmware version string is exactly - * sizeof(rev->fw_version) long or fw_len is less than - * sizeof(rev->fw_version) it won't be null terminated - */ - buf[min(len, sizeof(rev->fw_version)) - 1] = '\0'; - - return 0; -} - -int wl12xx_acx_tx_power(struct wl12xx *wl, int power) -{ - struct acx_current_tx_power ie; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr"); - - if (power < 0 || power > 25) - return -EINVAL; - - memset(&ie, 0, sizeof(ie)); - - ie.header.id = DOT11_CUR_TX_PWR; - ie.header.len = sizeof(ie) - sizeof(struct acx_header); - ie.current_tx_power = power * 10; - - ret = wl12xx_cmd_configure(wl, &ie, sizeof(ie)); - if (ret < 0) { - wl12xx_warning("configure of tx power failed: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_feature_cfg(struct wl12xx *wl) -{ - struct acx_feature_config feature; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx feature cfg"); - - memset(&feature, 0, sizeof(feature)); - - feature.header.id = ACX_FEATURE_CFG; - feature.header.len = sizeof(feature) - sizeof(struct acx_header); - - /* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */ - feature.data_flow_options = 0; - feature.options = 0; - - ret = wl12xx_cmd_configure(wl, &feature, sizeof(feature)); - if (ret < 0) - wl12xx_error("Couldnt set HW encryption"); - - return ret; -} - -int wl12xx_acx_mem_map(struct wl12xx *wl, void *mem_map, size_t len) -{ - struct wl12xx_command cmd; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx mem map"); - - ret = wl12xx_cmd_interrogate(wl, ACX_MEM_MAP, len, &cmd); - if (ret < 0) - return ret; - else if (cmd.status != CMD_STATUS_SUCCESS) - return -EIO; - - memcpy(mem_map, &cmd.parameters, len); - - return 0; -} - -int wl12xx_acx_data_path_params(struct wl12xx *wl, - struct acx_data_path_params_resp *data_path) -{ - struct acx_data_path_params params; - struct wl12xx_command cmd; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx data path params"); - - params.rx_packet_ring_chunk_size = DP_RX_PACKET_RING_CHUNK_SIZE; - params.tx_packet_ring_chunk_size = DP_TX_PACKET_RING_CHUNK_SIZE; - - params.rx_packet_ring_chunk_num = DP_RX_PACKET_RING_CHUNK_NUM; - params.tx_packet_ring_chunk_num = DP_TX_PACKET_RING_CHUNK_NUM; - - params.tx_complete_threshold = 1; - - params.tx_complete_ring_depth = FW_TX_CMPLT_BLOCK_SIZE; - - params.tx_complete_timeout = DP_TX_COMPLETE_TIME_OUT; - - params.header.id = ACX_DATA_PATH_PARAMS; - params.header.len = sizeof(params) - sizeof(struct acx_header); - - ret = wl12xx_cmd_configure(wl, ¶ms, sizeof(params)); - if (ret < 0) - return ret; - - - ret = wl12xx_cmd_interrogate(wl, ACX_DATA_PATH_PARAMS, - sizeof(struct acx_data_path_params_resp), - &cmd); - - if (ret < 0) { - wl12xx_warning("failed to read data path parameters: %d", ret); - return ret; - } else if (cmd.status != CMD_STATUS_SUCCESS) { - wl12xx_warning("data path parameter acx status failed"); - return -EIO; - } - - memcpy(data_path, &cmd.parameters, sizeof(*data_path)); - - return 0; -} - -int wl12xx_acx_rx_msdu_life_time(struct wl12xx *wl, u32 life_time) -{ - struct rx_msdu_lifetime msdu_lifetime; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx rx msdu life time"); - - msdu_lifetime.header.id = DOT11_RX_MSDU_LIFE_TIME; - msdu_lifetime.header.len = sizeof(msdu_lifetime) - - sizeof(struct acx_header); - msdu_lifetime.lifetime = life_time; - - ret = wl12xx_cmd_configure(wl, &msdu_lifetime, sizeof(msdu_lifetime)); - if (ret < 0) { - wl12xx_warning("failed to set rx msdu life time: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_rx_config(struct wl12xx *wl, u32 config, u32 filter) -{ - struct acx_rx_config rx_config; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx rx config"); - - rx_config.header.id = ACX_RX_CFG; - rx_config.header.len = sizeof(rx_config) - sizeof(struct acx_header); - rx_config.config_options = config; - rx_config.filter_options = filter; - - ret = wl12xx_cmd_configure(wl, &rx_config, sizeof(rx_config)); - if (ret < 0) { - wl12xx_warning("failed to set rx config: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_pd_threshold(struct wl12xx *wl) -{ - struct acx_packet_detection packet_detection; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx data pd threshold"); - - /* FIXME: threshold value not set */ - packet_detection.header.id = ACX_PD_THRESHOLD; - packet_detection.header.len = sizeof(packet_detection) - - sizeof(struct acx_header); - - ret = wl12xx_cmd_configure(wl, &packet_detection, - sizeof(packet_detection)); - if (ret < 0) { - wl12xx_warning("failed to set pd threshold: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_slot(struct wl12xx *wl, enum acx_slot_type slot_time) -{ - struct acx_slot slot; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx slot"); - - slot.header.id = ACX_SLOT; - slot.header.len = sizeof(slot) - sizeof(struct acx_header); - - slot.wone_index = STATION_WONE_INDEX; - slot.slot_time = slot_time; - - ret = wl12xx_cmd_configure(wl, &slot, sizeof(slot)); - if (ret < 0) { - wl12xx_warning("failed to set slot time: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_group_address_tbl(struct wl12xx *wl) -{ - struct multicast_grp_addr_start multicast; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx group address tbl"); - - /* MAC filtering */ - multicast.header.id = DOT11_GROUP_ADDRESS_TBL; - multicast.header.len = sizeof(multicast) - sizeof(struct acx_header); - - multicast.enabled = 0; - multicast.num_groups = 0; - memset(multicast.mac_table, 0, ADDRESS_GROUP_MAX_LEN); - - ret = wl12xx_cmd_configure(wl, &multicast, sizeof(multicast)); - if (ret < 0) { - wl12xx_warning("failed to set group addr table: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_service_period_timeout(struct wl12xx *wl) -{ - struct acx_rx_timeout rx_timeout; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx service period timeout"); - - /* RX timeout */ - rx_timeout.header.id = ACX_SERVICE_PERIOD_TIMEOUT; - rx_timeout.header.len = sizeof(rx_timeout) - sizeof(struct acx_header); - - rx_timeout.ps_poll_timeout = RX_TIMEOUT_PS_POLL_DEF; - rx_timeout.upsd_timeout = RX_TIMEOUT_UPSD_DEF; - - ret = wl12xx_cmd_configure(wl, &rx_timeout, sizeof(rx_timeout)); - if (ret < 0) { - wl12xx_warning("failed to set service period timeout: %d", - ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_rts_threshold(struct wl12xx *wl, u16 rts_threshold) -{ - struct acx_rts_threshold rts; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx rts threshold"); - - rts.header.id = DOT11_RTS_THRESHOLD; - rts.header.len = sizeof(rts) - sizeof(struct acx_header); - - rts.threshold = rts_threshold; - - ret = wl12xx_cmd_configure(wl, &rts, sizeof(rts)); - if (ret < 0) { - wl12xx_warning("failed to set rts threshold: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_beacon_filter_opt(struct wl12xx *wl) -{ - struct acx_beacon_filter_option beacon_filter; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx beacon filter opt"); - - beacon_filter.header.id = ACX_BEACON_FILTER_OPT; - beacon_filter.header.len = sizeof(beacon_filter) - - sizeof(struct acx_header); - - beacon_filter.enable = 0; - beacon_filter.max_num_beacons = 0; - - ret = wl12xx_cmd_configure(wl, &beacon_filter, sizeof(beacon_filter)); - if (ret < 0) { - wl12xx_warning("failed to set beacon filter opt: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_beacon_filter_table(struct wl12xx *wl) -{ - struct acx_beacon_filter_ie_table ie_table; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx beacon filter table"); - - ie_table.header.id = ACX_BEACON_FILTER_TABLE; - ie_table.header.len = sizeof(ie_table) - sizeof(struct acx_header); - - ie_table.num_ie = 0; - memset(ie_table.table, 0, BEACON_FILTER_TABLE_MAX_SIZE); - - ret = wl12xx_cmd_configure(wl, &ie_table, sizeof(ie_table)); - if (ret < 0) { - wl12xx_warning("failed to set beacon filter table: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_sg_enable(struct wl12xx *wl) -{ - struct acx_bt_wlan_coex pta; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx sg enable"); - - pta.header.id = ACX_SG_ENABLE; - pta.header.len = sizeof(pta) - sizeof(struct acx_header); - - pta.enable = SG_ENABLE; - - ret = wl12xx_cmd_configure(wl, &pta, sizeof(pta)); - if (ret < 0) { - wl12xx_warning("failed to set softgemini enable: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_sg_cfg(struct wl12xx *wl) -{ - struct acx_bt_wlan_coex_param param; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx sg cfg"); - - /* BT-WLAN coext parameters */ - param.header.id = ACX_SG_CFG; - param.header.len = sizeof(param) - sizeof(struct acx_header); - - param.min_rate = RATE_INDEX_24MBPS; - param.bt_hp_max_time = PTA_BT_HP_MAXTIME_DEF; - param.wlan_hp_max_time = PTA_WLAN_HP_MAX_TIME_DEF; - param.sense_disable_timer = PTA_SENSE_DISABLE_TIMER_DEF; - param.rx_time_bt_hp = PTA_PROTECTIVE_RX_TIME_DEF; - param.tx_time_bt_hp = PTA_PROTECTIVE_TX_TIME_DEF; - param.rx_time_bt_hp_fast = PTA_PROTECTIVE_RX_TIME_FAST_DEF; - param.tx_time_bt_hp_fast = PTA_PROTECTIVE_TX_TIME_FAST_DEF; - param.wlan_cycle_fast = PTA_CYCLE_TIME_FAST_DEF; - param.bt_anti_starvation_period = PTA_ANTI_STARVE_PERIOD_DEF; - param.next_bt_lp_packet = PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF; - param.wake_up_beacon = PTA_TIME_BEFORE_BEACON_DEF; - param.hp_dm_max_guard_time = PTA_HPDM_MAX_TIME_DEF; - param.next_wlan_packet = PTA_TIME_OUT_NEXT_WLAN_DEF; - param.antenna_type = PTA_ANTENNA_TYPE_DEF; - param.signal_type = PTA_SIGNALING_TYPE_DEF; - param.afh_leverage_on = PTA_AFH_LEVERAGE_ON_DEF; - param.quiet_cycle_num = PTA_NUMBER_QUIET_CYCLE_DEF; - param.max_cts = PTA_MAX_NUM_CTS_DEF; - param.wlan_packets_num = PTA_NUMBER_OF_WLAN_PACKETS_DEF; - param.bt_packets_num = PTA_NUMBER_OF_BT_PACKETS_DEF; - param.missed_rx_avalanche = PTA_RX_FOR_AVALANCHE_DEF; - param.wlan_elp_hp = PTA_ELP_HP_DEF; - param.bt_anti_starvation_cycles = PTA_ANTI_STARVE_NUM_CYCLE_DEF; - param.ack_mode_dual_ant = PTA_ACK_MODE_DEF; - param.pa_sd_enable = PTA_ALLOW_PA_SD_DEF; - param.pta_auto_mode_enable = PTA_AUTO_MODE_NO_CTS_DEF; - param.bt_hp_respected_num = PTA_BT_HP_RESPECTED_DEF; - - ret = wl12xx_cmd_configure(wl, ¶m, sizeof(param)); - if (ret < 0) { - wl12xx_warning("failed to set sg config: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_cca_threshold(struct wl12xx *wl) -{ - struct acx_energy_detection detection; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx cca threshold"); - - detection.header.id = ACX_CCA_THRESHOLD; - detection.header.len = sizeof(detection) - sizeof(struct acx_header); - - detection.rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D; - detection.tx_energy_detection = 0; - - ret = wl12xx_cmd_configure(wl, &detection, sizeof(detection)); - if (ret < 0) { - wl12xx_warning("failed to set cca threshold: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_bcn_dtim_options(struct wl12xx *wl) -{ - struct acx_beacon_broadcast bb; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx bcn dtim options"); - - bb.header.id = ACX_BCN_DTIM_OPTIONS; - bb.header.len = sizeof(bb) - sizeof(struct acx_header); - - bb.beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE; - bb.broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE; - bb.rx_broadcast_in_ps = RX_BROADCAST_IN_PS_DEF_VALUE; - bb.ps_poll_threshold = CONSECUTIVE_PS_POLL_FAILURE_DEF; - - ret = wl12xx_cmd_configure(wl, &bb, sizeof(bb)); - if (ret < 0) { - wl12xx_warning("failed to set rx config: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_aid(struct wl12xx *wl, u16 aid) -{ - struct acx_aid acx_aid; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx aid"); - - acx_aid.header.id = ACX_AID; - acx_aid.header.len = sizeof(acx_aid) - sizeof(struct acx_header); - - acx_aid.aid = aid; - - ret = wl12xx_cmd_configure(wl, &acx_aid, sizeof(acx_aid)); - if (ret < 0) { - wl12xx_warning("failed to set aid: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_event_mbox_mask(struct wl12xx *wl, u32 event_mask) -{ - struct acx_event_mask mask; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx event mbox mask"); - - mask.header.id = ACX_EVENT_MBOX_MASK; - mask.header.len = sizeof(mask) - sizeof(struct acx_header); - - /* high event mask is unused */ - mask.high_event_mask = 0xffffffff; - - mask.event_mask = event_mask; - - ret = wl12xx_cmd_configure(wl, &mask, sizeof(mask)); - if (ret < 0) { - wl12xx_warning("failed to set aid: %d", ret); - return ret; - } - - return 0; -} - -int wl12xx_acx_set_preamble(struct wl12xx *wl, enum acx_preamble_type preamble) -{ - struct acx_preamble ie; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx_set_preamble"); - - memset(&ie, 0, sizeof(ie)); - - ie.header.id = ACX_PREAMBLE_TYPE; - ie.header.len = sizeof(ie) - sizeof(struct acx_header); - ie.preamble = preamble; - ret = wl12xx_cmd_configure(wl, &ie, sizeof(ie)); - if (ret < 0) { - wl12xx_warning("Setting of preamble failed: %d", ret); - return ret; - } - return 0; -} - -int wl12xx_acx_cts_protect(struct wl12xx *wl, - enum acx_ctsprotect_type ctsprotect) -{ - struct acx_ctsprotect ie; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx_set_ctsprotect"); - - memset(&ie, 0, sizeof(ie)); - - ie.header.id = ACX_CTS_PROTECTION; - ie.header.len = sizeof(ie) - sizeof(struct acx_header); - ie.ctsprotect = ctsprotect; - ret = wl12xx_cmd_configure(wl, &ie, sizeof(ie)); - if (ret < 0) { - wl12xx_warning("Setting of ctsprotect failed: %d", ret); - return ret; - } - return 0; -} - -int wl12xx_acx_statistics(struct wl12xx *wl, struct acx_statistics *stats) -{ - struct wl12xx_command *answer; - int ret; - - wl12xx_debug(DEBUG_ACX, "acx statistics"); - - answer = kmalloc(sizeof(*answer), GFP_KERNEL); - if (!answer) { - wl12xx_warning("could not allocate memory for acx statistics"); - ret = -ENOMEM; - goto out; - } - - ret = wl12xx_cmd_interrogate(wl, ACX_STATISTICS, sizeof(*answer), - answer); - if (ret < 0) { - wl12xx_warning("acx statistics failed: %d", ret); - goto out; - } - - memcpy(stats, answer->parameters, sizeof(*stats)); - -out: - kfree(answer); - return ret; -} diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c deleted file mode 100644 index 48ac08c429bd..000000000000 --- a/drivers/net/wireless/wl12xx/boot.c +++ /dev/null @@ -1,295 +0,0 @@ -/* - * This file is part of wl12xx - * - * Copyright (C) 2008 Nokia Corporation - * - * Contact: Kalle Valo <kalle.valo@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/gpio.h> - -#include "reg.h" -#include "boot.h" -#include "spi.h" -#include "event.h" - -static void wl12xx_boot_enable_interrupts(struct wl12xx *wl) -{ - enable_irq(wl->irq); -} - -void wl12xx_boot_target_enable_interrupts(struct wl12xx *wl) -{ - wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); - wl12xx_reg_write32(wl, HI_CFG, HI_CFG_DEF_VAL); -} - -int wl12xx_boot_soft_reset(struct wl12xx *wl) -{ - unsigned long timeout; - u32 boot_data; - - /* perform soft reset */ - wl12xx_reg_write32(wl, ACX_REG_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT); - - /* SOFT_RESET is self clearing */ - timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME); - while (1) { - boot_data = wl12xx_reg_read32(wl, ACX_REG_SLV_SOFT_RESET); - wl12xx_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data); - if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0) - break; - - if (time_after(jiffies, timeout)) { - /* 1.2 check pWhalBus->uSelfClearTime if the - * timeout was reached */ - wl12xx_error("soft reset timeout"); - return -1; - } - - udelay(SOFT_RESET_STALL_TIME); - } - - /* disable Rx/Tx */ - wl12xx_reg_write32(wl, ENABLE, 0x0); - - /* disable auto calibration on start*/ - wl12xx_reg_write32(wl, SPARE_A2, 0xffff); - - return 0; -} - -int wl12xx_boot_init_seq(struct wl12xx *wl) -{ - u32 scr_pad6, init_data, tmp, elp_cmd, ref_freq; - - /* - * col #1: INTEGER_DIVIDER - * col #2: FRACTIONAL_DIVIDER - * col #3: ATTN_BB - * col #4: ALPHA_BB - * col #5: STOP_TIME_BB - * col #6: BB_PLL_LOOP_FILTER - */ - static const u32 LUT[REF_FREQ_NUM][LUT_PARAM_NUM] = { - - { 83, 87381, 0xB, 5, 0xF00, 3}, /* REF_FREQ_19_2*/ - { 61, 141154, 0xB, 5, 0x1450, 2}, /* REF_FREQ_26_0*/ - { 41, 174763, 0xC, 6, 0x2D00, 1}, /* REF_FREQ_38_4*/ - { 40, 0, 0xC, 6, 0x2EE0, 1}, /* REF_FREQ_40_0*/ - { 47, 162280, 0xC, 6, 0x2760, 1} /* REF_FREQ_33_6 */ - }; - - /* read NVS params */ - scr_pad6 = wl12xx_reg_read32(wl, SCR_PAD6); - wl12xx_debug(DEBUG_BOOT, "scr_pad6 0x%x", scr_pad6); - - /* read ELP_CMD */ - elp_cmd = wl12xx_reg_read32(wl, ELP_CMD); - wl12xx_debug(DEBUG_BOOT, "elp_cmd 0x%x", elp_cmd); - - /* set the BB calibration time to be 300 usec (PLL_CAL_TIME) */ - ref_freq = scr_pad6 & 0x000000FF; - wl12xx_debug(DEBUG_BOOT, "ref_freq 0x%x", ref_freq); - - wl12xx_reg_write32(wl, PLL_CAL_TIME, 0x9); - - /* - * PG 1.2: set the clock buffer time to be 210 usec (CLK_BUF_TIME) - */ - wl12xx_reg_write32(wl, CLK_BUF_TIME, 0x6); - - /* - * set the clock detect feature to work in the restart wu procedure - * (ELP_CFG_MODE[14]) and Select the clock source type - * (ELP_CFG_MODE[13:12]) - */ - tmp = ((scr_pad6 & 0x0000FF00) << 4) | 0x00004000; - wl12xx_reg_write32(wl, ELP_CFG_MODE, tmp); - - /* PG 1.2: enable the BB PLL fix. Enable the PLL_LIMP_CLK_EN_CMD */ - elp_cmd |= 0x00000040; - wl12xx_reg_write32(wl, ELP_CMD, elp_cmd); - - /* PG 1.2: Set the BB PLL stable time to be 1000usec - * (PLL_STABLE_TIME) */ - wl12xx_reg_write32(wl, CFG_PLL_SYNC_CNT, 0x20); - - /* PG 1.2: read clock request time */ - init_data = wl12xx_reg_read32(wl, CLK_REQ_TIME); - - /* - * PG 1.2: set the clock request time to be ref_clk_settling_time - - * 1ms = 4ms - */ - if (init_data > 0x21) - tmp = init_data - 0x21; - else - tmp = 0; - wl12xx_reg_write32(wl, CLK_REQ_TIME, tmp); - - /* set BB PLL configurations in RF AFE */ - wl12xx_reg_write32(wl, 0x003058cc, 0x4B5); - - /* set RF_AFE_REG_5 */ - wl12xx_reg_write32(wl, 0x003058d4, 0x50); - - /* set RF_AFE_CTRL_REG_2 */ - wl12xx_reg_write32(wl, 0x00305948, 0x11c001); - - /* - * change RF PLL and BB PLL divider for VCO clock and adjust VCO - * bais current(RF_AFE_REG_13) - */ - wl12xx_reg_write32(wl, 0x003058f4, 0x1e); - - /* set BB PLL configurations */ - tmp = LUT[ref_freq][LUT_PARAM_INTEGER_DIVIDER] | 0x00017000; - wl12xx_reg_write32(wl, 0x00305840, tmp); - - /* set fractional divider according to Appendix C-BB PLL - * Calculations - */ - tmp = LUT[ref_freq][LUT_PARAM_FRACTIONAL_DIVIDER]; - wl12xx_reg_write32(wl, 0x00305844, tmp); - - /* set the initial data for the sigma delta */ - wl12xx_reg_write32(wl, 0x00305848, 0x3039); - - /* - * set the accumulator attenuation value, calibration loop1 - * (alpha), calibration loop2 (beta), calibration loop3 (gamma) and - * the VCO gain - */ - tmp = (LUT[ref_freq][LUT_PARAM_ATTN_BB] << 16) | - (LUT[ref_freq][LUT_PARAM_ALPHA_BB] << 12) | 0x1; - wl12xx_reg_write32(wl, 0x00305854, tmp); - - /* - * set the calibration stop time after holdoff time expires and set - * settling time HOLD_OFF_TIME_BB - */ - tmp = LUT[ref_freq][LUT_PARAM_STOP_TIME_BB] | 0x000A0000; - wl12xx_reg_write32(wl, 0x00305858, tmp); - - /* - * set BB PLL Loop filter capacitor3- BB_C3[2:0] and set BB PLL - * constant leakage current to linearize PFD to 0uA - - * BB_ILOOPF[7:3] - */ - tmp = LUT[ref_freq][LUT_PARAM_BB_PLL_LOOP_FILTER] | 0x00000030; - wl12xx_reg_write32(wl, 0x003058f8, tmp); - - /* - * set regulator output voltage for n divider to - * 1.35-BB_REFDIV[1:0], set charge pump current- BB_CPGAIN[4:2], - * set BB PLL Loop filter capacitor2- BB_C2[7:5], set gain of BB - * PLL auto-call to normal mode- BB_CALGAIN_3DB[8] - */ - wl12xx_reg_write32(wl, 0x003058f0, 0x29); - - /* enable restart wakeup sequence (ELP_CMD[0]) */ - wl12xx_reg_write32(wl, ELP_CMD, elp_cmd | 0x1); - - /* restart sequence completed */ - udelay(2000); - - return 0; -} - -int wl12xx_boot_run_firmware(struct wl12xx *wl) -{ - int loop, ret; - u32 chip_id, interrupt; - - wl->chip.op_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT); - - chip_id = wl12xx_reg_read32(wl, CHIP_ID_B); - - wl12xx_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id); - - if (chip_id != wl->chip.id) { - wl12xx_error("chip id doesn't match after firmware boot"); - return -EIO; - } - - /* wait for init to complete */ - loop = 0; - while (loop++ < INIT_LOOP) { - udelay(INIT_LOOP_DELAY); - interrupt = wl12xx_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); - - if (interrupt == 0xffffffff) { - wl12xx_error("error reading hardware complete " - "init indication"); - return -EIO; - } - /* check that ACX_INTR_INIT_COMPLETE is enabled */ - else if (interrupt & wl->chip.intr_init_complete) { - wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_ACK, - wl->chip.intr_init_complete); - break; - } - } - - if (loop >= INIT_LOOP) { - wl12xx_error("timeout waiting for the hardware to " - "complete initialization"); - return -EIO; - } - - /* get hardware config command mail box */ - wl->cmd_box_addr = wl12xx_reg_read32(wl, REG_COMMAND_MAILBOX_PTR); - - /* get hardware config event mail box */ - wl->event_box_addr = wl12xx_reg_read32(wl, REG_EVENT_MAILBOX_PTR); - - /* set the working partition to its "running" mode offset */ - wl12xx_set_partition(wl, - wl->chip.p_table[PART_WORK].mem.start, - wl->chip.p_table[PART_WORK].mem.size, - wl->chip.p_table[PART_WORK].reg.start, - wl->chip.p_table[PART_WORK].reg.size); - - wl12xx_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x event_box_addr 0x%x", - wl->cmd_box_addr, wl->event_box_addr); - - /* - * in case of full asynchronous mode the firmware event must be - * ready to receive event from the command mailbox - */ - - /* enable gpio interrupts */ - wl12xx_boot_enable_interrupts(wl); - - wl->chip.op_target_enable_interrupts(wl); - - /* unmask all mbox events */ - wl->event_mask = 0xffffffff; - - ret = wl12xx_event_unmask(wl); - if (ret < 0) { - wl12xx_error("EVENT mask setting failed"); - return ret; - } - - wl12xx_event_mbox_config(wl); - - /* firmware startup completed */ - return 0; -} diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c deleted file mode 100644 index f73ab602b7ae..000000000000 --- a/drivers/net/wireless/wl12xx/cmd.c +++ /dev/null @@ -1,353 +0,0 @@ -#include "cmd.h" - -#include <linux/module.h> -#include <linux/crc7.h> -#include <linux/spi/spi.h> - -#include "wl12xx.h" -#include "wl12xx_80211.h" -#include "reg.h" -#include "spi.h" -#include "ps.h" - -int wl12xx_cmd_send(struct wl12xx *wl, u16 type, void *buf, size_t buf_len) -{ - struct wl12xx_command cmd; - unsigned long timeout; - size_t cmd_len; - u32 intr; - int ret = 0; - - memset(&cmd, 0, sizeof(cmd)); - cmd.id = type; - cmd.status = 0; - memcpy(cmd.parameters, buf, buf_len); - cmd_len = ALIGN(buf_len, 4) + CMDMBOX_HEADER_LEN; - - wl12xx_ps_elp_wakeup(wl); - - wl12xx_spi_mem_write(wl, wl->cmd_box_addr, &cmd, cmd_len); - - wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD); - - timeout = jiffies + msecs_to_jiffies(WL12XX_COMMAND_TIMEOUT); - - intr = wl12xx_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); - while (!(intr & wl->chip.intr_cmd_complete)) { - if (time_after(jiffies, timeout)) { - wl12xx_error("command complete timeout"); - ret = -ETIMEDOUT; - goto out; - } - - msleep(1); - - intr = wl12xx_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); - } - - wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_ACK, - wl->chip.intr_cmd_complete); - -out: - wl12xx_ps_elp_sleep(wl); - - return ret; -} - -int wl12xx_cmd_test(struct wl12xx *wl, void *buf, size_t buf_len, u8 answer) -{ - int ret; - - wl12xx_debug(DEBUG_CMD, "cmd test"); - - ret = wl12xx_cmd_send(wl, CMD_TEST, buf, buf_len); - if (ret < 0) { - wl12xx_warning("TEST command failed"); - return ret; - } - - if (answer) { - struct wl12xx_command *cmd_answer; - - /* - * The test command got in, we can read the answer. - * The answer would be a wl12xx_command, where the - * parameter array contains the actual answer. - */ - - wl12xx_ps_elp_wakeup(wl); - - wl12xx_spi_mem_read(wl, wl->cmd_box_addr, buf, buf_len); - - wl12xx_ps_elp_sleep(wl); - - cmd_answer = buf; - if (cmd_answer->status != CMD_STATUS_SUCCESS) - wl12xx_error("TEST command answer error: %d", - cmd_answer->status); - } - - return 0; -} - - -int wl12xx_cmd_interrogate(struct wl12xx *wl, u16 ie_id, u16 ie_len, - void *answer) -{ - struct wl12xx_command *cmd; - struct acx_header header; - int ret; - - wl12xx_debug(DEBUG_CMD, "cmd interrogate"); - - header.id = ie_id; - header.len = ie_len - sizeof(header); - - ret = wl12xx_cmd_send(wl, CMD_INTERROGATE, &header, sizeof(header)); - if (ret < 0) { - wl12xx_error("INTERROGATE command failed"); - return ret; - } - - wl12xx_ps_elp_wakeup(wl); - - /* the interrogate command got in, we can read the answer */ - wl12xx_spi_mem_read(wl, wl->cmd_box_addr, answer, - CMDMBOX_HEADER_LEN + ie_len); - - wl12xx_ps_elp_sleep(wl); - - cmd = answer; - if (cmd->status != CMD_STATUS_SUCCESS) - wl12xx_error("INTERROGATE command error: %d", - cmd->status); - - return 0; - -} - -int wl12xx_cmd_configure(struct wl12xx *wl, void *ie, int ie_len) -{ - int ret; - - wl12xx_debug(DEBUG_CMD, "cmd configure"); - - ret = wl12xx_cmd_send(wl, CMD_CONFIGURE, ie, - ie_len); - if (ret < 0) { - wl12xx_warning("CONFIGURE command NOK"); - return ret; - } - - return 0; - -} - -int wl12xx_cmd_vbm(struct wl12xx *wl, u8 identity, - void *bitmap, u16 bitmap_len, u8 bitmap_control) -{ - struct vbm_update_request vbm; - int ret; - - wl12xx_debug(DEBUG_CMD, "cmd vbm"); - - /* Count and period will be filled by the target */ - vbm.tim.bitmap_ctrl = bitmap_control; - if (bitmap_len > PARTIAL_VBM_MAX) { - wl12xx_warning("cmd vbm len is %d B, truncating to %d", - bitmap_len, PARTIAL_VBM_MAX); - bitmap_len = PARTIAL_VBM_MAX; - } - memcpy(vbm.tim.pvb_field, bitmap, bitmap_len); - vbm.tim.identity = identity; - vbm.tim.length = bitmap_len + 3; - - vbm.len = cpu_to_le16(bitmap_len + 5); - - ret = wl12xx_cmd_send(wl, CMD_VBM, &vbm, sizeof(vbm)); - if (ret < 0) { - wl12xx_error("VBM command failed"); - return ret; - } - - return 0; -} - -int wl12xx_cmd_data_path(struct wl12xx *wl, u8 channel, u8 enable) -{ - int ret; - u16 cmd_rx, cmd_tx; - - wl12xx_debug(DEBUG_CMD, "cmd data path"); - - if (enable) { - cmd_rx = CMD_ENABLE_RX; - cmd_tx = CMD_ENABLE_TX; - } else { - cmd_rx = CMD_DISABLE_RX; - cmd_tx = CMD_DISABLE_TX; - } - - ret = wl12xx_cmd_send(wl, cmd_rx, &channel, sizeof(channel)); - if (ret < 0) { - wl12xx_error("rx %s cmd for channel %d failed", - enable ? "start" : "stop", channel); - return ret; - } - - wl12xx_debug(DEBUG_BOOT, "rx %s cmd channel %d", - enable ? "start" : "stop", channel); - - ret = wl12xx_cmd_send(wl, cmd_tx, &channel, sizeof(channel)); - if (ret < 0) { - wl12xx_error("tx %s cmd for channel %d failed", - enable ? "start" : "stop", channel); - return ret; - } - - wl12xx_debug(DEBUG_BOOT, "tx %s cmd channel %d", - enable ? "start" : "stop", channel); - - return 0; -} - -int wl12xx_cmd_join(struct wl12xx *wl, u8 bss_type, u8 dtim_interval, - u16 beacon_interval, u8 wait) -{ - unsigned long timeout; - struct cmd_join join = {}; - int ret, i; - u8 *bssid; - - /* FIXME: this should be in main.c */ - ret = wl12xx_acx_frame_rates(wl, DEFAULT_HW_GEN_TX_RATE, - DEFAULT_HW_GEN_MODULATION_TYPE, - wl->tx_mgmt_frm_rate, - wl->tx_mgmt_frm_mod); - if (ret < 0) - return ret; - - wl12xx_debug(DEBUG_CMD, "cmd join"); - - /* Reverse order BSSID */ - bssid = (u8 *)&join.bssid_lsb; - for (i = 0; i < ETH_ALEN; i++) - bssid[i] = wl->bssid[ETH_ALEN - i - 1]; - - join.rx_config_options = wl->rx_config; - join.rx_filter_options = wl->rx_filter; - - join.basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS | - RATE_MASK_5_5MBPS | RATE_MASK_11MBPS; - - join.beacon_interval = beacon_interval; - join.dtim_interval = dtim_interval; - join.bss_type = bss_type; - join.channel = wl->channel; - join.ctrl = JOIN_CMD_CTRL_TX_FLUSH; - - ret = wl12xx_cmd_send(wl, CMD_START_JOIN, &join, sizeof(join)); - if (ret < 0) { - wl12xx_error("failed to initiate cmd join"); - return ret; - } - - timeout = msecs_to_jiffies(JOIN_TIMEOUT); - - /* - * ugly hack: we should wait for JOIN_EVENT_COMPLETE_ID but to - * simplify locking we just sleep instead, for now - */ - if (wait) - msleep(10); - - return 0; -} - -int wl12xx_cmd_ps_mode(struct wl12xx *wl, u8 ps_mode) -{ - int ret; - struct acx_ps_params ps_params; - - /* FIXME: this should be in ps.c */ - ret = wl12xx_acx_wake_up_conditions(wl, wl->listen_int); - if (ret < 0) { - wl12xx_error("Couldnt set wake up conditions"); - return ret; - } - - wl12xx_debug(DEBUG_CMD, "cmd set ps mode"); - - ps_params.ps_mode = ps_mode; - ps_params.send_null_data = 1; - ps_params.retries = 5; - ps_params.hang_over_period = 128; - ps_params.null_data_rate = 1; /* 1 Mbps */ - - ret = wl12xx_cmd_send(wl, CMD_SET_PS_MODE, &ps_params, - sizeof(ps_params)); - if (ret < 0) { - wl12xx_error("cmd set_ps_mode failed"); - return ret; - } - - return 0; -} - -int wl12xx_cmd_read_memory(struct wl12xx *wl, u32 addr, u32 len, void *answer) -{ - struct cmd_read_write_memory mem_cmd, *mem_answer; - struct wl12xx_command cmd; - int ret; - - wl12xx_debug(DEBUG_CMD, "cmd read memory"); - - memset(&mem_cmd, 0, sizeof(mem_cmd)); - mem_cmd.addr = addr; - mem_cmd.size = len; - - ret = wl12xx_cmd_send(wl, CMD_READ_MEMORY, &mem_cmd, sizeof(mem_cmd)); - if (ret < 0) { - wl12xx_error("read memory command failed: %d", ret); - return ret; - } - - /* the read command got in, we can now read the answer */ - wl12xx_spi_mem_read(wl, wl->cmd_box_addr, &cmd, - CMDMBOX_HEADER_LEN + sizeof(mem_cmd)); - - if (cmd.status != CMD_STATUS_SUCCESS) - wl12xx_error("error in read command result: %d", cmd.status); - - mem_answer = (struct cmd_read_write_memory *) cmd.parameters; - memcpy(answer, mem_answer->value, len); - - return 0; -} - -int wl12xx_cmd_template_set(struct wl12xx *wl, u16 cmd_id, - void *buf, size_t buf_len) -{ - struct wl12xx_cmd_packet_template template; - int ret; - - wl12xx_debug(DEBUG_CMD, "cmd template %d", cmd_id); - - memset(&template, 0, sizeof(template)); - - WARN_ON(buf_len > WL12XX_MAX_TEMPLATE_SIZE); - buf_len = min_t(size_t, buf_len, WL12XX_MAX_TEMPLATE_SIZE); - template.size = cpu_to_le16(buf_len); - - if (buf) - memcpy(template.template, buf, buf_len); - - ret = wl12xx_cmd_send(wl, cmd_id, &template, - sizeof(template.size) + buf_len); - if (ret < 0) { - wl12xx_warning("cmd set_template failed: %d", ret); - return ret; - } - - return 0; -} diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c deleted file mode 100644 index 2a573a6010bd..000000000000 --- a/drivers/net/wireless/wl12xx/init.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * This file is part of wl12xx - * - * Copyright (C) 2009 Nokia Corporation - * - * Contact: Kalle Valo <kalle.valo@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> - -#include "init.h" -#include "wl12xx_80211.h" -#include "acx.h" -#include "cmd.h" - -int wl12xx_hw_init_hwenc_config(struct wl12xx *wl) -{ - int ret; - - ret = wl12xx_acx_feature_cfg(wl); - if (ret < 0) { - wl12xx_warning("couldn't set feature config"); - return ret; - } - - ret = wl12xx_acx_default_key(wl, wl->default_key); - if (ret < 0) { - wl12xx_warning("couldn't set default key"); - return ret; - } - - return 0; -} - -int wl12xx_hw_init_templates_config(struct wl12xx *wl) -{ - int ret; - u8 partial_vbm[PARTIAL_VBM_MAX]; - - /* send empty templates for fw memory reservation */ - ret = wl12xx_cmd_template_set(wl, CMD_PROBE_REQ, NULL, - sizeof(struct wl12xx_probe_req_template)); - if (ret < 0) - return ret; - - ret = wl12xx_cmd_template_set(wl, CMD_NULL_DATA, NULL, - sizeof(struct wl12xx_null_data_template)); - if (ret < 0) - return ret; - - ret = wl12xx_cmd_template_set(wl, CMD_PS_POLL, NULL, - sizeof(struct wl12xx_ps_poll_template)); - if (ret < 0) - return ret; - - ret = wl12xx_cmd_template_set(wl, CMD_QOS_NULL_DATA, NULL, - sizeof - (struct wl12xx_qos_null_data_template)); - if (ret < 0) - return ret; - - ret = wl12xx_cmd_template_set(wl, CMD_PROBE_RESP, NULL, - sizeof - (struct wl12xx_probe_resp_template)); - if (ret < 0) - return ret; - - ret = wl12xx_cmd_template_set(wl, CMD_BEACON, NULL, - sizeof - (struct wl12xx_beacon_template)); - if (ret < 0) - return ret; - - /* tim templates, first reserve space then allocate an empty one */ - memset(partial_vbm, 0, PARTIAL_VBM_MAX); - ret = wl12xx_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, PARTIAL_VBM_MAX, 0); - if (ret < 0) - return ret; - - ret = wl12xx_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, 1, 0); - if (ret < 0) - return ret; - - return 0; -} - -int wl12xx_hw_init_rx_config(struct wl12xx *wl, u32 config, u32 filter) -{ - int ret; - - ret = wl12xx_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF); - if (ret < 0) - return ret; - - ret = wl12xx_acx_rx_config(wl, config, filter); - if (ret < 0) - return ret; - - return 0; -} - -int wl12xx_hw_init_phy_config(struct wl12xx *wl) -{ - int ret; - - ret = wl12xx_acx_pd_threshold(wl); - if (ret < 0) - return ret; - - ret = wl12xx_acx_slot(wl, DEFAULT_SLOT_TIME); - if (ret < 0) - return ret; - - ret = wl12xx_acx_group_address_tbl(wl); - if (ret < 0) - return ret; - - ret = wl12xx_acx_service_period_timeout(wl); - if (ret < 0) - return ret; - - ret = wl12xx_acx_rts_threshold(wl, RTS_THRESHOLD_DEF); - if (ret < 0) - return ret; - - return 0; -} - -int wl12xx_hw_init_beacon_filter(struct wl12xx *wl) -{ - int ret; - - ret = wl12xx_acx_beacon_filter_opt(wl); - if (ret < 0) - return ret; - - ret = wl12xx_acx_beacon_filter_table(wl); - if (ret < 0) - return ret; - - return 0; -} - -int wl12xx_hw_init_pta(struct wl12xx *wl) -{ - int ret; - - ret = wl12xx_acx_sg_enable(wl); - if (ret < 0) - return ret; - - ret = wl12xx_acx_sg_cfg(wl); - if (ret < 0) - return ret; - - return 0; -} - -int wl12xx_hw_init_energy_detection(struct wl12xx *wl) -{ - int ret; - - ret = wl12xx_acx_cca_threshold(wl); - if (ret < 0) - return ret; - - return 0; -} - -int wl12xx_hw_init_beacon_broadcast(struct wl12xx *wl) -{ - int ret; - - ret = wl12xx_acx_bcn_dtim_options(wl); - if (ret < 0) - return ret; - - return 0; -} - -int wl12xx_hw_init_power_auth(struct wl12xx *wl) -{ - return wl12xx_acx_sleep_auth(wl, WL12XX_PSM_CAM); -} diff --git a/drivers/net/wireless/wl12xx/wl1251.c b/drivers/net/wireless/wl12xx/wl1251.c deleted file mode 100644 index ce1561a41fa4..000000000000 --- a/drivers/net/wireless/wl12xx/wl1251.c +++ /dev/null @@ -1,709 +0,0 @@ -/* - * This file is part of wl12xx - * - * Copyright (C) 2008-2009 Nokia Corporation - * - * Contact: Kalle Valo <kalle.valo@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> - -#include "wl1251.h" -#include "reg.h" -#include "spi.h" -#include "boot.h" -#include "event.h" -#include "acx.h" -#include "tx.h" -#include "rx.h" -#include "ps.h" -#include "init.h" - -static struct wl12xx_partition_set wl1251_part_table[PART_TABLE_LEN] = { - [PART_DOWN] = { - .mem = { - .start = 0x00000000, - .size = 0x00016800 - }, - .reg = { - .start = REGISTERS_BASE, - .size = REGISTERS_DOWN_SIZE - }, - }, - - [PART_WORK] = { - .mem = { - .start = 0x00028000, - .size = 0x00014000 - }, - .reg = { - .start = REGISTERS_BASE, - .size = REGISTERS_WORK_SIZE - }, - }, - - /* WL1251 doesn't use the DRPW partition, so we don't set it here */ -}; - -static enum wl12xx_acx_int_reg wl1251_acx_reg_table[ACX_REG_TABLE_LEN] = { - [ACX_REG_INTERRUPT_TRIG] = (REGISTERS_BASE + 0x0474), - [ACX_REG_INTERRUPT_TRIG_H] = (REGISTERS_BASE + 0x0478), - [ACX_REG_INTERRUPT_MASK] = (REGISTERS_BASE + 0x0494), - [ACX_REG_HINT_MASK_SET] = (REGISTERS_BASE + 0x0498), - [ACX_REG_HINT_MASK_CLR] = (REGISTERS_BASE + 0x049C), - [ACX_REG_INTERRUPT_NO_CLEAR] = (REGISTERS_BASE + 0x04B0), - [ACX_REG_INTERRUPT_CLEAR] = (REGISTERS_BASE + 0x04A4), - [ACX_REG_INTERRUPT_ACK] = (REGISTERS_BASE + 0x04A8), - [ACX_REG_SLV_SOFT_RESET] = (REGISTERS_BASE + 0x0000), - [ACX_REG_EE_START] = (REGISTERS_BASE + 0x080C), - [ACX_REG_ECPU_CONTROL] = (REGISTERS_BASE + 0x0804) -}; - -static int wl1251_upload_firmware(struct wl12xx *wl) -{ - struct wl12xx_partition_set *p_table = wl->chip.p_table; - int addr, chunk_num, partition_limit; - size_t fw_data_len; - u8 *p; - - /* whal_FwCtrl_LoadFwImageSm() */ - - wl12xx_debug(DEBUG_BOOT, "chip id before fw upload: 0x%x", - wl12xx_reg_read32(wl, CHIP_ID_B)); - - /* 10.0 check firmware length and set partition */ - fw_data_len = (wl->fw[4] << 24) | (wl->fw[5] << 16) | - (wl->fw[6] << 8) | (wl->fw[7]); - - wl12xx_debug(DEBUG_BOOT, "fw_data_len %zu chunk_size %d", fw_data_len, - CHUNK_SIZE); - - if ((fw_data_len % 4) != 0) { - wl12xx_error("firmware length not multiple of four"); - return -EIO; - } - - wl12xx_set_partition(wl, - p_table[PART_DOWN].mem.start, - p_table[PART_DOWN].mem.size, - p_table[PART_DOWN].reg.start, - p_table[PART_DOWN].reg.size); - - /* 10.1 set partition limit and chunk num */ - chunk_num = 0; - partition_limit = p_table[PART_DOWN].mem.size; - - while (chunk_num < fw_data_len / CHUNK_SIZE) { - /* 10.2 update partition, if needed */ - addr = p_table[PART_DOWN].mem.start + - (chunk_num + 2) * CHUNK_SIZE; - if (addr > partition_limit) { - addr = p_table[PART_DOWN].mem.start + - chunk_num * CHUNK_SIZE; - partition_limit = chunk_num * CHUNK_SIZE + - p_table[PART_DOWN].mem.size; - wl12xx_set_partition(wl, - addr, - p_table[PART_DOWN].mem.size, - p_table[PART_DOWN].reg.start, - p_table[PART_DOWN].reg.size); - } - - /* 10.3 upload the chunk */ - addr = p_table[PART_DOWN].mem.start + chunk_num * CHUNK_SIZE; - p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE; - wl12xx_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x", - p, addr); - wl12xx_spi_mem_write(wl, addr, p, CHUNK_SIZE); - - chunk_num++; - } - - /* 10.4 upload the last chunk */ - addr = p_table[PART_DOWN].mem.start + chunk_num * CHUNK_SIZE; - p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE; - wl12xx_debug(DEBUG_BOOT, "uploading fw last chunk (%zu B) 0x%p to 0x%x", - fw_data_len % CHUNK_SIZE, p, addr); - wl12xx_spi_mem_write(wl, addr, p, fw_data_len % CHUNK_SIZE); - - return 0; -} - -static int wl1251_upload_nvs(struct wl12xx *wl) -{ - size_t nvs_len, nvs_bytes_written, burst_len; - int nvs_start, i; - u32 dest_addr, val; - u8 *nvs_ptr, *nvs; - - nvs = wl->nvs; - if (nvs == NULL) - return -ENODEV; - - nvs_ptr = nvs; - - nvs_len = wl->nvs_len; - nvs_start = wl->fw_len; - - /* - * Layout before the actual NVS tables: - * 1 byte : burst length. - * 2 bytes: destination address. - * n bytes: data to burst copy. - * - * This is ended by a 0 length, then the NVS tables. - */ - - while (nvs_ptr[0]) { - burst_len = nvs_ptr[0]; - dest_addr = (nvs_ptr[1] & 0xfe) | ((u32)(nvs_ptr[2] << 8)); - - /* We move our pointer to the data */ - nvs_ptr += 3; - - for (i = 0; i < burst_len; i++) { - val = (nvs_ptr[0] | (nvs_ptr[1] << 8) - | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24)); - - wl12xx_debug(DEBUG_BOOT, - "nvs burst write 0x%x: 0x%x", - dest_addr, val); - wl12xx_mem_write32(wl, dest_addr, val); - - nvs_ptr += 4; - dest_addr += 4; - } - } - - /* - * We've reached the first zero length, the first NVS table - * is 7 bytes further. - */ - nvs_ptr += 7; - nvs_len -= nvs_ptr - nvs; - nvs_len = ALIGN(nvs_len, 4); - - /* Now we must set the partition correctly */ - wl12xx_set_partition(wl, nvs_start, - wl->chip.p_table[PART_DOWN].mem.size, - wl->chip.p_table[PART_DOWN].reg.start, - wl->chip.p_table[PART_DOWN].reg.size); - - /* And finally we upload the NVS tables */ - nvs_bytes_written = 0; - while (nvs_bytes_written < nvs_len) { - val = (nvs_ptr[0] | (nvs_ptr[1] << 8) - | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24)); - - val = cpu_to_le32(val); - - wl12xx_debug(DEBUG_BOOT, - "nvs write table 0x%x: 0x%x", - nvs_start, val); - wl12xx_mem_write32(wl, nvs_start, val); - - nvs_ptr += 4; - nvs_bytes_written += 4; - nvs_start += 4; - } - - return 0; -} - -static int wl1251_boot(struct wl12xx *wl) -{ - int ret = 0, minor_minor_e2_ver; - u32 tmp, boot_data; - - ret = wl12xx_boot_soft_reset(wl); - if (ret < 0) - goto out; - - /* 2. start processing NVS file */ - ret = wl->chip.op_upload_nvs(wl); - if (ret < 0) - goto out; - - /* write firmware's last address (ie. it's length) to - * ACX_EEPROMLESS_IND_REG */ - wl12xx_reg_write32(wl, ACX_EEPROMLESS_IND_REG, wl->fw_len); - - /* 6. read the EEPROM parameters */ - tmp = wl12xx_reg_read32(wl, SCR_PAD2); - - /* 7. read bootdata */ - wl->boot_attr.radio_type = (tmp & 0x0000FF00) >> 8; - wl->boot_attr.major = (tmp & 0x00FF0000) >> 16; - tmp = wl12xx_reg_read32(wl, SCR_PAD3); - - /* 8. check bootdata and call restart sequence */ - wl->boot_attr.minor = (tmp & 0x00FF0000) >> 16; - minor_minor_e2_ver = (tmp & 0xFF000000) >> 24; - - wl12xx_debug(DEBUG_BOOT, "radioType 0x%x majorE2Ver 0x%x " - "minorE2Ver 0x%x minor_minor_e2_ver 0x%x", - wl->boot_attr.radio_type, wl->boot_attr.major, - wl->boot_attr.minor, minor_minor_e2_ver); - - ret = wl12xx_boot_init_seq(wl); - if (ret < 0) - goto out; - - /* 9. NVS processing done */ - boot_data = wl12xx_reg_read32(wl, ACX_REG_ECPU_CONTROL); - - wl12xx_debug(DEBUG_BOOT, "halt boot_data 0x%x", boot_data); - - /* 10. check that ECPU_CONTROL_HALT bits are set in - * pWhalBus->uBootData and start uploading firmware - */ - if ((boot_data & ECPU_CONTROL_HALT) == 0) { - wl12xx_error("boot failed, ECPU_CONTROL_HALT not set"); - ret = -EIO; - goto out; - } - - ret = wl->chip.op_upload_fw(wl); - if (ret < 0) - goto out; - - /* 10.5 start firmware */ - ret = wl12xx_boot_run_firmware(wl); - if (ret < 0) - goto out; - - /* Get and save the firmware version */ - wl12xx_acx_fw_version(wl, wl->chip.fw_ver, sizeof(wl->chip.fw_ver)); - -out: - return ret; -} - -static int wl1251_mem_cfg(struct wl12xx *wl) -{ - struct wl1251_acx_config_memory mem_conf; - int ret, i; - - wl12xx_debug(DEBUG_ACX, "wl1251 mem cfg"); - - /* memory config */ - mem_conf.mem_config.num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS); - mem_conf.mem_config.rx_mem_block_num = 35; - mem_conf.mem_config.tx_min_mem_block_num = 64; - mem_conf.mem_config.num_tx_queues = MAX_TX_QUEUES; - mem_conf.mem_config.host_if_options = HOSTIF_PKT_RING; - mem_conf.mem_config.num_ssid_profiles = 1; - mem_conf.mem_config.debug_buffer_size = - cpu_to_le16(TRACE_BUFFER_MAX_SIZE); - - /* RX queue config */ - mem_conf.rx_queue_config.dma_address = 0; - mem_conf.rx_queue_config.num_descs = ACX_RX_DESC_DEF; - mem_conf.rx_queue_config.priority = DEFAULT_RXQ_PRIORITY; - mem_conf.rx_queue_config.type = DEFAULT_RXQ_TYPE; - - /* TX queue config */ - for (i = 0; i < MAX_TX_QUEUES; i++) { - mem_conf.tx_queue_config[i].num_descs = ACX_TX_DESC_DEF; - mem_conf.tx_queue_config[i].attributes = i; - } - - mem_conf.header.id = ACX_MEM_CFG; - mem_conf.header.len = sizeof(struct wl1251_acx_config_memory) - - sizeof(struct acx_header); - mem_conf.header.len -= - (MAX_TX_QUEUE_CONFIGS - mem_conf.mem_config.num_tx_queues) * - sizeof(struct wl1251_acx_tx_queue_config); - - ret = wl12xx_cmd_configure(wl, &mem_conf, - sizeof(struct wl1251_acx_config_memory)); - if (ret < 0) - wl12xx_warning("wl1251 mem config failed: %d", ret); - - return ret; -} - -static int wl1251_hw_init_mem_config(struct wl12xx *wl) -{ - int ret; - - ret = wl1251_mem_cfg(wl); - if (ret < 0) - return ret; - - wl->target_mem_map = kzalloc(sizeof(struct wl1251_acx_mem_map), - GFP_KERNEL); - if (!wl->target_mem_map) { - wl12xx_error("couldn't allocate target memory map"); - return -ENOMEM; - } - - /* we now ask for the firmware built memory map */ - ret = wl12xx_acx_mem_map(wl, wl->target_mem_map, - sizeof(struct wl1251_acx_mem_map)); - if (ret < 0) { - wl12xx_error("couldn't retrieve firmware memory map"); - kfree(wl->target_mem_map); - wl->target_mem_map = NULL; - return ret; - } - - return 0; -} - -static void wl1251_set_ecpu_ctrl(struct wl12xx *wl, u32 flag) -{ - u32 cpu_ctrl; - - /* 10.5.0 run the firmware (I) */ - cpu_ctrl = wl12xx_reg_read32(wl, ACX_REG_ECPU_CONTROL); - - /* 10.5.1 run the firmware (II) */ - cpu_ctrl &= ~flag; - wl12xx_reg_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl); -} - -static void wl1251_target_enable_interrupts(struct wl12xx *wl) -{ - /* Enable target's interrupts */ - wl->intr_mask = WL1251_ACX_INTR_RX0_DATA | - WL1251_ACX_INTR_RX1_DATA | - WL1251_ACX_INTR_TX_RESULT | - WL1251_ACX_INTR_EVENT_A | - WL1251_ACX_INTR_EVENT_B | - WL1251_ACX_INTR_INIT_COMPLETE; - wl12xx_boot_target_enable_interrupts(wl); -} - -static void wl1251_irq_work(struct work_struct *work) -{ - u32 intr; - struct wl12xx *wl = - container_of(work, struct wl12xx, irq_work); - - mutex_lock(&wl->mutex); - - wl12xx_debug(DEBUG_IRQ, "IRQ work"); - - if (wl->state == WL12XX_STATE_OFF) - goto out; - - wl12xx_ps_elp_wakeup(wl); - - wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL); - - intr = wl12xx_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); - wl12xx_debug(DEBUG_IRQ, "intr: 0x%x", intr); - - if (wl->data_path) { - wl12xx_spi_mem_read(wl, wl->data_path->rx_control_addr, - &wl->rx_counter, sizeof(u32)); - - /* We handle a frmware bug here */ - switch ((wl->rx_counter - wl->rx_handled) & 0xf) { - case 0: - wl12xx_debug(DEBUG_IRQ, "RX: FW and host in sync"); - intr &= ~WL1251_ACX_INTR_RX0_DATA; - intr &= ~WL1251_ACX_INTR_RX1_DATA; - break; - case 1: - wl12xx_debug(DEBUG_IRQ, "RX: FW +1"); - intr |= WL1251_ACX_INTR_RX0_DATA; - intr &= ~WL1251_ACX_INTR_RX1_DATA; - break; - case 2: - wl12xx_debug(DEBUG_IRQ, "RX: FW +2"); - intr |= WL1251_ACX_INTR_RX0_DATA; - intr |= WL1251_ACX_INTR_RX1_DATA; - break; - default: - wl12xx_warning("RX: FW and host out of sync: %d", - wl->rx_counter - wl->rx_handled); - break; - } - - wl->rx_handled = wl->rx_counter; - - - wl12xx_debug(DEBUG_IRQ, "RX counter: %d", wl->rx_counter); - } - - intr &= wl->intr_mask; - - if (intr == 0) { - wl12xx_debug(DEBUG_IRQ, "INTR is 0"); - wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK, - ~(wl->intr_mask)); - - goto out_sleep; - } - - if (intr & WL1251_ACX_INTR_RX0_DATA) { - wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA"); - wl12xx_rx(wl); - } - - if (intr & WL1251_ACX_INTR_RX1_DATA) { - wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA"); - wl12xx_rx(wl); - } - - if (intr & WL1251_ACX_INTR_TX_RESULT) { - wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT"); - wl12xx_tx_complete(wl); - } - - if (intr & (WL1251_ACX_INTR_EVENT_A | WL1251_ACX_INTR_EVENT_B)) { - wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT (0x%x)", intr); - if (intr & WL1251_ACX_INTR_EVENT_A) - wl12xx_event_handle(wl, 0); - else - wl12xx_event_handle(wl, 1); - } - - if (intr & WL1251_ACX_INTR_INIT_COMPLETE) - wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_INIT_COMPLETE"); - - wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); - -out_sleep: - wl12xx_ps_elp_sleep(wl); -out: - mutex_unlock(&wl->mutex); -} - -static int wl1251_hw_init_txq_fill(u8 qid, - struct acx_tx_queue_qos_config *config, - u32 num_blocks) -{ - config->qid = qid; - - switch (qid) { - case QOS_AC_BE: - config->high_threshold = - (QOS_TX_HIGH_BE_DEF * num_blocks) / 100; - config->low_threshold = - (QOS_TX_LOW_BE_DEF * num_blocks) / 100; - break; - case QOS_AC_BK: - config->high_threshold = - (QOS_TX_HIGH_BK_DEF * num_blocks) / 100; - config->low_threshold = - (QOS_TX_LOW_BK_DEF * num_blocks) / 100; - break; - case QOS_AC_VI: - config->high_threshold = - (QOS_TX_HIGH_VI_DEF * num_blocks) / 100; - config->low_threshold = - (QOS_TX_LOW_VI_DEF * num_blocks) / 100; - break; - case QOS_AC_VO: - config->high_threshold = - (QOS_TX_HIGH_VO_DEF * num_blocks) / 100; - config->low_threshold = - (QOS_TX_LOW_VO_DEF * num_blocks) / 100; - break; - default: - wl12xx_error("Invalid TX queue id: %d", qid); - return -EINVAL; - } - - return 0; -} - -static int wl1251_hw_init_tx_queue_config(struct wl12xx *wl) -{ - struct acx_tx_queue_qos_config config; - struct wl1251_acx_mem_map *wl_mem_map = wl->target_mem_map; - int ret, i; - - wl12xx_debug(DEBUG_ACX, "acx tx queue config"); - - config.header.id = ACX_TX_QUEUE_CFG; - config.header.len = sizeof(struct acx_tx_queue_qos_config) - - sizeof(struct acx_header); - - for (i = 0; i < MAX_NUM_OF_AC; i++) { - ret = wl1251_hw_init_txq_fill(i, &config, - wl_mem_map->num_tx_mem_blocks); - if (ret < 0) - return ret; - - ret = wl12xx_cmd_configure(wl, &config, sizeof(config)); - if (ret < 0) - return ret; - } - - return 0; -} - -static int wl1251_hw_init_data_path_config(struct wl12xx *wl) -{ - int ret; - - /* asking for the data path parameters */ - wl->data_path = kzalloc(sizeof(struct acx_data_path_params_resp), - GFP_KERNEL); - if (!wl->data_path) { - wl12xx_error("Couldnt allocate data path parameters"); - return -ENOMEM; - } - - ret = wl12xx_acx_data_path_params(wl, wl->data_path); - if (ret < 0) { - kfree(wl->data_path); - wl->data_path = NULL; - return ret; - } - - return 0; -} - -static int wl1251_hw_init(struct wl12xx *wl) -{ - struct wl1251_acx_mem_map *wl_mem_map; - int ret; - - ret = wl12xx_hw_init_hwenc_config(wl); - if (ret < 0) - return ret; - - /* Template settings */ - ret = wl12xx_hw_init_templates_config(wl); - if (ret < 0) - return ret; - - /* Default memory configuration */ - ret = wl1251_hw_init_mem_config(wl); - if (ret < 0) - return ret; - - /* Default data path configuration */ - ret = wl1251_hw_init_data_path_config(wl); - if (ret < 0) - goto out_free_memmap; - - /* RX config */ - ret = wl12xx_hw_init_rx_config(wl, - RX_CFG_PROMISCUOUS | RX_CFG_TSF, - RX_FILTER_OPTION_DEF); - /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS, - RX_FILTER_OPTION_FILTER_ALL); */ - if (ret < 0) - goto out_free_data_path; - - /* TX queues config */ - ret = wl1251_hw_init_tx_queue_config(wl); - if (ret < 0) - goto out_free_data_path; - - /* PHY layer config */ - ret = wl12xx_hw_init_phy_config(wl); - if (ret < 0) - goto out_free_data_path; - - /* Beacon filtering */ - ret = wl12xx_hw_init_beacon_filter(wl); - if (ret < 0) - goto out_free_data_path; - - /* Bluetooth WLAN coexistence */ - ret = wl12xx_hw_init_pta(wl); - if (ret < 0) - goto out_free_data_path; - - /* Energy detection */ - ret = wl12xx_hw_init_energy_detection(wl); - if (ret < 0) - goto out_free_data_path; - - /* Beacons and boradcast settings */ - ret = wl12xx_hw_init_beacon_broadcast(wl); - if (ret < 0) - goto out_free_data_path; - - /* Enable data path */ - ret = wl12xx_cmd_data_path(wl, wl->channel, 1); - if (ret < 0) - goto out_free_data_path; - - /* Default power state */ - ret = wl12xx_hw_init_power_auth(wl); - if (ret < 0) - goto out_free_data_path; - - wl_mem_map = wl->target_mem_map; - wl12xx_info("%d tx blocks at 0x%x, %d rx blocks at 0x%x", - wl_mem_map->num_tx_mem_blocks, - wl->data_path->tx_control_addr, - wl_mem_map->num_rx_mem_blocks, - wl->data_path->rx_control_addr); - - return 0; - - out_free_data_path: - kfree(wl->data_path); - - out_free_memmap: - kfree(wl->target_mem_map); - - return ret; -} - -static int wl1251_plt_init(struct wl12xx *wl) -{ - int ret; - - ret = wl1251_hw_init_mem_config(wl); - if (ret < 0) - return ret; - - ret = wl12xx_cmd_data_path(wl, wl->channel, 1); - if (ret < 0) - return ret; - - return 0; -} - -void wl1251_setup(struct wl12xx *wl) -{ - /* FIXME: Is it better to use strncpy here or is this ok? */ - wl->chip.fw_filename = WL1251_FW_NAME; - wl->chip.nvs_filename = WL1251_NVS_NAME; - - /* Now we know what chip we're using, so adjust the power on sleep - * time accordingly */ - wl->chip.power_on_sleep = WL1251_POWER_ON_SLEEP; - - wl->chip.intr_cmd_complete = WL1251_ACX_INTR_CMD_COMPLETE; - wl->chip.intr_init_complete = WL1251_ACX_INTR_INIT_COMPLETE; - - wl->chip.op_upload_nvs = wl1251_upload_nvs; - wl->chip.op_upload_fw = wl1251_upload_firmware; - wl->chip.op_boot = wl1251_boot; - wl->chip.op_set_ecpu_ctrl = wl1251_set_ecpu_ctrl; - wl->chip.op_target_enable_interrupts = wl1251_target_enable_interrupts; - wl->chip.op_hw_init = wl1251_hw_init; - wl->chip.op_plt_init = wl1251_plt_init; - - wl->chip.p_table = wl1251_part_table; - wl->chip.acx_reg_table = wl1251_acx_reg_table; - - INIT_WORK(&wl->irq_work, wl1251_irq_work); -} diff --git a/drivers/net/wireless/wl12xx/wl1251.h b/drivers/net/wireless/wl12xx/wl1251.h index 1f4a44330394..998e4b6252bd 100644 --- a/drivers/net/wireless/wl12xx/wl1251.h +++ b/drivers/net/wireless/wl12xx/wl1251.h @@ -1,7 +1,8 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * - * Copyright (C) 2008 Nokia Corporation + * Copyright (c) 1998-2007 Texas Instruments Incorporated + * Copyright (C) 2008-2009 Nokia Corporation * * Contact: Kalle Valo <kalle.valo@nokia.com> * @@ -24,142 +25,400 @@ #ifndef __WL1251_H__ #define __WL1251_H__ +#include <linux/mutex.h> +#include <linux/list.h> #include <linux/bitops.h> - -#include "wl12xx.h" -#include "acx.h" - -#define WL1251_FW_NAME "wl1251-fw.bin" -#define WL1251_NVS_NAME "wl1251-nvs.bin" - -#define WL1251_POWER_ON_SLEEP 10 /* in miliseconds */ - -void wl1251_setup(struct wl12xx *wl); - - -struct wl1251_acx_memory { - __le16 num_stations; /* number of STAs to be supported. */ - u16 reserved_1; +#include <net/mac80211.h> + +#define DRIVER_NAME "wl1251" +#define DRIVER_PREFIX DRIVER_NAME ": " + +enum { + DEBUG_NONE = 0, + DEBUG_IRQ = BIT(0), + DEBUG_SPI = BIT(1), + DEBUG_BOOT = BIT(2), + DEBUG_MAILBOX = BIT(3), + DEBUG_NETLINK = BIT(4), + DEBUG_EVENT = BIT(5), + DEBUG_TX = BIT(6), + DEBUG_RX = BIT(7), + DEBUG_SCAN = BIT(8), + DEBUG_CRYPT = BIT(9), + DEBUG_PSM = BIT(10), + DEBUG_MAC80211 = BIT(11), + DEBUG_CMD = BIT(12), + DEBUG_ACX = BIT(13), + DEBUG_ALL = ~0, +}; + +#define DEBUG_LEVEL (DEBUG_NONE) + +#define DEBUG_DUMP_LIMIT 1024 + +#define wl1251_error(fmt, arg...) \ + printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg) + +#define wl1251_warning(fmt, arg...) \ + printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg) + +#define wl1251_notice(fmt, arg...) \ + printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg) + +#define wl1251_info(fmt, arg...) \ + printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg) + +#define wl1251_debug(level, fmt, arg...) \ + do { \ + if (level & DEBUG_LEVEL) \ + printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \ + } while (0) + +#define wl1251_dump(level, prefix, buf, len) \ + do { \ + if (level & DEBUG_LEVEL) \ + print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \ + DUMP_PREFIX_OFFSET, 16, 1, \ + buf, \ + min_t(size_t, len, DEBUG_DUMP_LIMIT), \ + 0); \ + } while (0) + +#define wl1251_dump_ascii(level, prefix, buf, len) \ + do { \ + if (level & DEBUG_LEVEL) \ + print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \ + DUMP_PREFIX_OFFSET, 16, 1, \ + buf, \ + min_t(size_t, len, DEBUG_DUMP_LIMIT), \ + true); \ + } while (0) + +#define WL1251_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN | \ + CFG_BSSID_FILTER_EN) + +#define WL1251_DEFAULT_RX_FILTER (CFG_RX_PRSP_EN | \ + CFG_RX_MGMT_EN | \ + CFG_RX_DATA_EN | \ + CFG_RX_CTL_EN | \ + CFG_RX_BCN_EN | \ + CFG_RX_AUTH_EN | \ + CFG_RX_ASSOC_EN) + +#define WL1251_BUSY_WORD_LEN 8 + +struct boot_attr { + u32 radio_type; + u8 mac_clock; + u8 arm_clock; + int firmware_debug; + u32 minor; + u32 major; + u32 bugfix; +}; + +enum wl1251_state { + WL1251_STATE_OFF, + WL1251_STATE_ON, + WL1251_STATE_PLT, +}; + +enum wl1251_partition_type { + PART_DOWN, + PART_WORK, + PART_DRPW, + + PART_TABLE_LEN +}; + +struct wl1251_partition { + u32 size; + u32 start; +}; + +struct wl1251_partition_set { + struct wl1251_partition mem; + struct wl1251_partition reg; +}; + +struct wl1251; + +struct wl1251_stats { + struct acx_statistics *fw_stats; + unsigned long fw_stats_update; + + unsigned int retry_count; + unsigned int excessive_retries; +}; + +struct wl1251_debugfs { + struct dentry *rootdir; + struct dentry *fw_statistics; + + struct dentry *tx_internal_desc_overflow; + + struct dentry *rx_out_of_mem; + struct dentry *rx_hdr_overflow; + struct dentry *rx_hw_stuck; + struct dentry *rx_dropped; + struct dentry *rx_fcs_err; + struct dentry *rx_xfr_hint_trig; + struct dentry *rx_path_reset; + struct dentry *rx_reset_counter; + + struct dentry *dma_rx_requested; + struct dentry *dma_rx_errors; + struct dentry *dma_tx_requested; + struct dentry *dma_tx_errors; + + struct dentry *isr_cmd_cmplt; + struct dentry *isr_fiqs; + struct dentry *isr_rx_headers; + struct dentry *isr_rx_mem_overflow; + struct dentry *isr_rx_rdys; + struct dentry *isr_irqs; + struct dentry *isr_tx_procs; + struct dentry *isr_decrypt_done; + struct dentry *isr_dma0_done; + struct dentry *isr_dma1_done; + struct dentry *isr_tx_exch_complete; + struct dentry *isr_commands; + struct dentry *isr_rx_procs; + struct dentry *isr_hw_pm_mode_changes; + struct dentry *isr_host_acknowledges; + struct dentry *isr_pci_pm; + struct dentry *isr_wakeups; + struct dentry *isr_low_rssi; + + struct dentry *wep_addr_key_count; + struct dentry *wep_default_key_count; + /* skipping wep.reserved */ + struct dentry *wep_key_not_found; + struct dentry *wep_decrypt_fail; + struct dentry *wep_packets; + struct dentry *wep_interrupt; + + struct dentry *pwr_ps_enter; + struct dentry *pwr_elp_enter; + struct dentry *pwr_missing_bcns; + struct dentry *pwr_wake_on_host; + struct dentry *pwr_wake_on_timer_exp; + struct dentry *pwr_tx_with_ps; + struct dentry *pwr_tx_without_ps; + struct dentry *pwr_rcvd_beacons; + struct dentry *pwr_power_save_off; + struct dentry *pwr_enable_ps; + struct dentry *pwr_disable_ps; + struct dentry *pwr_fix_tsf_ps; + /* skipping cont_miss_bcns_spread for now */ + struct dentry *pwr_rcvd_awake_beacons; + + struct dentry *mic_rx_pkts; + struct dentry *mic_calc_failure; + + struct dentry *aes_encrypt_fail; + struct dentry *aes_decrypt_fail; + struct dentry *aes_encrypt_packets; + struct dentry *aes_decrypt_packets; + struct dentry *aes_encrypt_interrupt; + struct dentry *aes_decrypt_interrupt; + + struct dentry *event_heart_beat; + struct dentry *event_calibration; + struct dentry *event_rx_mismatch; + struct dentry *event_rx_mem_empty; + struct dentry *event_rx_pool; + struct dentry *event_oom_late; + struct dentry *event_phy_transmit_error; + struct dentry *event_tx_stuck; + + struct dentry *ps_pspoll_timeouts; + struct dentry *ps_upsd_timeouts; + struct dentry *ps_upsd_max_sptime; + struct dentry *ps_upsd_max_apturn; + struct dentry *ps_pspoll_max_apturn; + struct dentry *ps_pspoll_utilization; + struct dentry *ps_upsd_utilization; + + struct dentry *rxpipe_rx_prep_beacon_drop; + struct dentry *rxpipe_descr_host_int_trig_rx_data; + struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data; + struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data; + struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data; + + struct dentry *tx_queue_len; + + struct dentry *retry_count; + struct dentry *excessive_retries; +}; + +struct wl1251_if_operations { + void (*read)(struct wl1251 *wl, int addr, void *buf, size_t len); + void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len); + void (*reset)(struct wl1251 *wl); + void (*enable_irq)(struct wl1251 *wl); + void (*disable_irq)(struct wl1251 *wl); +}; + +struct wl1251 { + struct ieee80211_hw *hw; + bool mac80211_registered; + + void *if_priv; + const struct wl1251_if_operations *if_ops; + + void (*set_power)(bool enable); + int irq; + + enum wl1251_state state; + struct mutex mutex; + + int physical_mem_addr; + int physical_reg_addr; + int virtual_mem_addr; + int virtual_reg_addr; + + int cmd_box_addr; + int event_box_addr; + struct boot_attr boot_attr; + + u8 *fw; + size_t fw_len; + u8 *nvs; + size_t nvs_len; + + u8 bssid[ETH_ALEN]; + u8 mac_addr[ETH_ALEN]; + u8 bss_type; + u8 listen_int; + int channel; + + void *target_mem_map; + struct acx_data_path_params_resp *data_path; + + /* Number of TX packets transferred to the FW, modulo 16 */ + u32 data_in_count; + + /* Frames scheduled for transmission, not handled yet */ + struct sk_buff_head tx_queue; + bool tx_queue_stopped; + + struct work_struct tx_work; + struct work_struct filter_work; + + /* Pending TX frames */ + struct sk_buff *tx_frames[16]; /* - * Nmber of memory buffers for the RX mem pool. - * The actual number may be less if there are - * not enough blocks left for the minimum num - * of TX ones. + * Index pointing to the next TX complete entry + * in the cyclic XT complete array we get from + * the FW. */ - u8 rx_mem_block_num; - u8 reserved_2; - u8 num_tx_queues; /* From 1 to 16 */ - u8 host_if_options; /* HOST_IF* */ - u8 tx_min_mem_block_num; - u8 num_ssid_profiles; - __le16 debug_buffer_size; -} __attribute__ ((packed)); + u32 next_tx_complete; + /* FW Rx counter */ + u32 rx_counter; -#define ACX_RX_DESC_MIN 1 -#define ACX_RX_DESC_MAX 127 -#define ACX_RX_DESC_DEF 32 -struct wl1251_acx_rx_queue_config { - u8 num_descs; - u8 pad; - u8 type; - u8 priority; - __le32 dma_address; -} __attribute__ ((packed)); + /* Rx frames handled */ + u32 rx_handled; -#define ACX_TX_DESC_MIN 1 -#define ACX_TX_DESC_MAX 127 -#define ACX_TX_DESC_DEF 16 -struct wl1251_acx_tx_queue_config { - u8 num_descs; - u8 pad[2]; - u8 attributes; -} __attribute__ ((packed)); + /* Current double buffer */ + u32 rx_current_buffer; + u32 rx_last_id; -#define MAX_TX_QUEUE_CONFIGS 5 -#define MAX_TX_QUEUES 4 -struct wl1251_acx_config_memory { - struct acx_header header; + /* The target interrupt mask */ + u32 intr_mask; + struct work_struct irq_work; - struct wl1251_acx_memory mem_config; - struct wl1251_acx_rx_queue_config rx_queue_config; - struct wl1251_acx_tx_queue_config tx_queue_config[MAX_TX_QUEUE_CONFIGS]; -} __attribute__ ((packed)); + /* The mbox event mask */ + u32 event_mask; -struct wl1251_acx_mem_map { - struct acx_header header; + /* Mailbox pointers */ + u32 mbox_ptr[2]; - void *code_start; - void *code_end; + /* Are we currently scanning */ + bool scanning; - void *wep_defkey_start; - void *wep_defkey_end; + /* Our association ID */ + u16 aid; - void *sta_table_start; - void *sta_table_end; + /* Default key (for WEP) */ + u32 default_key; - void *packet_template_start; - void *packet_template_end; + unsigned int tx_mgmt_frm_rate; + unsigned int tx_mgmt_frm_mod; - void *queue_memory_start; - void *queue_memory_end; + unsigned int rx_config; + unsigned int rx_filter; - void *packet_memory_pool_start; - void *packet_memory_pool_end; + /* is firmware in elp mode */ + bool elp; - void *debug_buffer1_start; - void *debug_buffer1_end; + /* we can be in psm, but not in elp, we have to differentiate */ + bool psm; - void *debug_buffer2_start; - void *debug_buffer2_end; + /* PSM mode requested */ + bool psm_requested; - /* Number of blocks FW allocated for TX packets */ - u32 num_tx_mem_blocks; + u16 beacon_int; + u8 dtim_period; - /* Number of blocks FW allocated for RX packets */ - u32 num_rx_mem_blocks; -} __attribute__ ((packed)); + /* in dBm */ + int power_level; -/************************************************************************* + struct wl1251_stats stats; + struct wl1251_debugfs debugfs; - Host Interrupt Register (WiLink -> Host) + u32 buffer_32; + u32 buffer_cmd; + u8 buffer_busyword[WL1251_BUSY_WORD_LEN]; + struct wl1251_rx_descriptor *rx_descriptor; -**************************************************************************/ + u32 chip_id; + char fw_ver[21]; +}; -/* RX packet is ready in Xfer buffer #0 */ -#define WL1251_ACX_INTR_RX0_DATA BIT(0) +int wl1251_plt_start(struct wl1251 *wl); +int wl1251_plt_stop(struct wl1251 *wl); -/* TX result(s) are in the TX complete buffer */ -#define WL1251_ACX_INTR_TX_RESULT BIT(1) +struct ieee80211_hw *wl1251_alloc_hw(void); +int wl1251_free_hw(struct wl1251 *wl); +int wl1251_init_ieee80211(struct wl1251 *wl); +void wl1251_enable_interrupts(struct wl1251 *wl); +void wl1251_disable_interrupts(struct wl1251 *wl); -/* OBSOLETE */ -#define WL1251_ACX_INTR_TX_XFR BIT(2) +#define DEFAULT_HW_GEN_MODULATION_TYPE CCK_LONG /* Long Preamble */ +#define DEFAULT_HW_GEN_TX_RATE RATE_2MBPS +#define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */ -/* RX packet is ready in Xfer buffer #1 */ -#define WL1251_ACX_INTR_RX1_DATA BIT(3) +#define WL1251_DEFAULT_POWER_LEVEL 20 -/* Event was entered to Event MBOX #A */ -#define WL1251_ACX_INTR_EVENT_A BIT(4) +#define WL1251_TX_QUEUE_MAX_LENGTH 20 -/* Event was entered to Event MBOX #B */ -#define WL1251_ACX_INTR_EVENT_B BIT(5) +#define WL1251_DEFAULT_BEACON_INT 100 +#define WL1251_DEFAULT_DTIM_PERIOD 1 -/* OBSOLETE */ -#define WL1251_ACX_INTR_WAKE_ON_HOST BIT(6) +#define WL1251_DEFAULT_CHANNEL 0 -/* Trace meassge on MBOX #A */ -#define WL1251_ACX_INTR_TRACE_A BIT(7) +#define CHIP_ID_1251_PG10 (0x7010101) +#define CHIP_ID_1251_PG11 (0x7020101) +#define CHIP_ID_1251_PG12 (0x7030101) +#define CHIP_ID_1271_PG10 (0x4030101) +#define CHIP_ID_1271_PG20 (0x4030111) -/* Trace meassge on MBOX #B */ -#define WL1251_ACX_INTR_TRACE_B BIT(8) +#define WL1251_FW_NAME "wl1251-fw.bin" +#define WL1251_NVS_NAME "wl1251-nvs.bin" -/* Command processing completion */ -#define WL1251_ACX_INTR_CMD_COMPLETE BIT(9) +#define WL1251_POWER_ON_SLEEP 10 /* in miliseconds */ -/* Init sequence is done */ -#define WL1251_ACX_INTR_INIT_COMPLETE BIT(14) +#define WL1251_PART_DOWN_MEM_START 0x0 +#define WL1251_PART_DOWN_MEM_SIZE 0x16800 +#define WL1251_PART_DOWN_REG_START REGISTERS_BASE +#define WL1251_PART_DOWN_REG_SIZE REGISTERS_DOWN_SIZE -#define WL1251_ACX_INTR_ALL 0xFFFFFFFF +#define WL1251_PART_WORK_MEM_START 0x28000 +#define WL1251_PART_WORK_MEM_SIZE 0x14000 +#define WL1251_PART_WORK_REG_START REGISTERS_BASE +#define WL1251_PART_WORK_REG_SIZE REGISTERS_WORK_SIZE #endif diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.c b/drivers/net/wireless/wl12xx/wl1251_acx.c new file mode 100644 index 000000000000..10b26c4532c9 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_acx.c @@ -0,0 +1,918 @@ +#include "wl1251_acx.h" + +#include <linux/module.h> +#include <linux/crc7.h> + +#include "wl1251.h" +#include "wl1251_reg.h" +#include "wl1251_cmd.h" +#include "wl1251_ps.h" + +int wl1251_acx_frame_rates(struct wl1251 *wl, u8 ctrl_rate, u8 ctrl_mod, + u8 mgt_rate, u8 mgt_mod) +{ + struct acx_fw_gen_frame_rates *rates; + int ret; + + wl1251_debug(DEBUG_ACX, "acx frame rates"); + + rates = kzalloc(sizeof(*rates), GFP_KERNEL); + if (!rates) { + ret = -ENOMEM; + goto out; + } + + rates->tx_ctrl_frame_rate = ctrl_rate; + rates->tx_ctrl_frame_mod = ctrl_mod; + rates->tx_mgt_frame_rate = mgt_rate; + rates->tx_mgt_frame_mod = mgt_mod; + + ret = wl1251_cmd_configure(wl, ACX_FW_GEN_FRAME_RATES, + rates, sizeof(*rates)); + if (ret < 0) { + wl1251_error("Failed to set FW rates and modulation"); + goto out; + } + +out: + kfree(rates); + return ret; +} + + +int wl1251_acx_station_id(struct wl1251 *wl) +{ + struct acx_dot11_station_id *mac; + int ret, i; + + wl1251_debug(DEBUG_ACX, "acx dot11_station_id"); + + mac = kzalloc(sizeof(*mac), GFP_KERNEL); + if (!mac) { + ret = -ENOMEM; + goto out; + } + + for (i = 0; i < ETH_ALEN; i++) + mac->mac[i] = wl->mac_addr[ETH_ALEN - 1 - i]; + + ret = wl1251_cmd_configure(wl, DOT11_STATION_ID, mac, sizeof(*mac)); + if (ret < 0) + goto out; + +out: + kfree(mac); + return ret; +} + +int wl1251_acx_default_key(struct wl1251 *wl, u8 key_id) +{ + struct acx_dot11_default_key *default_key; + int ret; + + wl1251_debug(DEBUG_ACX, "acx dot11_default_key (%d)", key_id); + + default_key = kzalloc(sizeof(*default_key), GFP_KERNEL); + if (!default_key) { + ret = -ENOMEM; + goto out; + } + + default_key->id = key_id; + + ret = wl1251_cmd_configure(wl, DOT11_DEFAULT_KEY, + default_key, sizeof(*default_key)); + if (ret < 0) { + wl1251_error("Couldn't set default key"); + goto out; + } + + wl->default_key = key_id; + +out: + kfree(default_key); + return ret; +} + +int wl1251_acx_wake_up_conditions(struct wl1251 *wl, u8 wake_up_event, + u8 listen_interval) +{ + struct acx_wake_up_condition *wake_up; + int ret; + + wl1251_debug(DEBUG_ACX, "acx wake up conditions"); + + wake_up = kzalloc(sizeof(*wake_up), GFP_KERNEL); + if (!wake_up) { + ret = -ENOMEM; + goto out; + } + + wake_up->wake_up_event = wake_up_event; + wake_up->listen_interval = listen_interval; + + ret = wl1251_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS, + wake_up, sizeof(*wake_up)); + if (ret < 0) { + wl1251_warning("could not set wake up conditions: %d", ret); + goto out; + } + +out: + kfree(wake_up); + return ret; +} + +int wl1251_acx_sleep_auth(struct wl1251 *wl, u8 sleep_auth) +{ + struct acx_sleep_auth *auth; + int ret; + + wl1251_debug(DEBUG_ACX, "acx sleep auth"); + + auth = kzalloc(sizeof(*auth), GFP_KERNEL); + if (!auth) { + ret = -ENOMEM; + goto out; + } + + auth->sleep_auth = sleep_auth; + + ret = wl1251_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth)); + if (ret < 0) + return ret; + +out: + kfree(auth); + return ret; +} + +int wl1251_acx_fw_version(struct wl1251 *wl, char *buf, size_t len) +{ + struct acx_revision *rev; + int ret; + + wl1251_debug(DEBUG_ACX, "acx fw rev"); + + rev = kzalloc(sizeof(*rev), GFP_KERNEL); + if (!rev) { + ret = -ENOMEM; + goto out; + } + + ret = wl1251_cmd_interrogate(wl, ACX_FW_REV, rev, sizeof(*rev)); + if (ret < 0) { + wl1251_warning("ACX_FW_REV interrogate failed"); + goto out; + } + + /* be careful with the buffer sizes */ + strncpy(buf, rev->fw_version, min(len, sizeof(rev->fw_version))); + + /* + * if the firmware version string is exactly + * sizeof(rev->fw_version) long or fw_len is less than + * sizeof(rev->fw_version) it won't be null terminated + */ + buf[min(len, sizeof(rev->fw_version)) - 1] = '\0'; + +out: + kfree(rev); + return ret; +} + +int wl1251_acx_tx_power(struct wl1251 *wl, int power) +{ + struct acx_current_tx_power *acx; + int ret; + + wl1251_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr"); + + if (power < 0 || power > 25) + return -EINVAL; + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->current_tx_power = power * 10; + + ret = wl1251_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx)); + if (ret < 0) { + wl1251_warning("configure of tx power failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1251_acx_feature_cfg(struct wl1251 *wl) +{ + struct acx_feature_config *feature; + int ret; + + wl1251_debug(DEBUG_ACX, "acx feature cfg"); + + feature = kzalloc(sizeof(*feature), GFP_KERNEL); + if (!feature) { + ret = -ENOMEM; + goto out; + } + + /* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */ + feature->data_flow_options = 0; + feature->options = 0; + + ret = wl1251_cmd_configure(wl, ACX_FEATURE_CFG, + feature, sizeof(*feature)); + if (ret < 0) { + wl1251_error("Couldn't set HW encryption"); + goto out; + } + +out: + kfree(feature); + return ret; +} + +int wl1251_acx_mem_map(struct wl1251 *wl, struct acx_header *mem_map, + size_t len) +{ + int ret; + + wl1251_debug(DEBUG_ACX, "acx mem map"); + + ret = wl1251_cmd_interrogate(wl, ACX_MEM_MAP, mem_map, len); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_acx_data_path_params(struct wl1251 *wl, + struct acx_data_path_params_resp *resp) +{ + struct acx_data_path_params *params; + int ret; + + wl1251_debug(DEBUG_ACX, "acx data path params"); + + params = kzalloc(sizeof(*params), GFP_KERNEL); + if (!params) { + ret = -ENOMEM; + goto out; + } + + params->rx_packet_ring_chunk_size = DP_RX_PACKET_RING_CHUNK_SIZE; + params->tx_packet_ring_chunk_size = DP_TX_PACKET_RING_CHUNK_SIZE; + + params->rx_packet_ring_chunk_num = DP_RX_PACKET_RING_CHUNK_NUM; + params->tx_packet_ring_chunk_num = DP_TX_PACKET_RING_CHUNK_NUM; + + params->tx_complete_threshold = 1; + + params->tx_complete_ring_depth = FW_TX_CMPLT_BLOCK_SIZE; + + params->tx_complete_timeout = DP_TX_COMPLETE_TIME_OUT; + + ret = wl1251_cmd_configure(wl, ACX_DATA_PATH_PARAMS, + params, sizeof(*params)); + if (ret < 0) + goto out; + + /* FIXME: shouldn't this be ACX_DATA_PATH_RESP_PARAMS? */ + ret = wl1251_cmd_interrogate(wl, ACX_DATA_PATH_PARAMS, + resp, sizeof(*resp)); + + if (ret < 0) { + wl1251_warning("failed to read data path parameters: %d", ret); + goto out; + } else if (resp->header.cmd.status != CMD_STATUS_SUCCESS) { + wl1251_warning("data path parameter acx status failed"); + ret = -EIO; + goto out; + } + +out: + kfree(params); + return ret; +} + +int wl1251_acx_rx_msdu_life_time(struct wl1251 *wl, u32 life_time) +{ + struct acx_rx_msdu_lifetime *acx; + int ret; + + wl1251_debug(DEBUG_ACX, "acx rx msdu life time"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->lifetime = life_time; + ret = wl1251_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME, + acx, sizeof(*acx)); + if (ret < 0) { + wl1251_warning("failed to set rx msdu life time: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1251_acx_rx_config(struct wl1251 *wl, u32 config, u32 filter) +{ + struct acx_rx_config *rx_config; + int ret; + + wl1251_debug(DEBUG_ACX, "acx rx config"); + + rx_config = kzalloc(sizeof(*rx_config), GFP_KERNEL); + if (!rx_config) { + ret = -ENOMEM; + goto out; + } + + rx_config->config_options = config; + rx_config->filter_options = filter; + + ret = wl1251_cmd_configure(wl, ACX_RX_CFG, + rx_config, sizeof(*rx_config)); + if (ret < 0) { + wl1251_warning("failed to set rx config: %d", ret); + goto out; + } + +out: + kfree(rx_config); + return ret; +} + +int wl1251_acx_pd_threshold(struct wl1251 *wl) +{ + struct acx_packet_detection *pd; + int ret; + + wl1251_debug(DEBUG_ACX, "acx data pd threshold"); + + pd = kzalloc(sizeof(*pd), GFP_KERNEL); + if (!pd) { + ret = -ENOMEM; + goto out; + } + + /* FIXME: threshold value not set */ + + ret = wl1251_cmd_configure(wl, ACX_PD_THRESHOLD, pd, sizeof(*pd)); + if (ret < 0) { + wl1251_warning("failed to set pd threshold: %d", ret); + goto out; + } + +out: + kfree(pd); + return 0; +} + +int wl1251_acx_slot(struct wl1251 *wl, enum acx_slot_type slot_time) +{ + struct acx_slot *slot; + int ret; + + wl1251_debug(DEBUG_ACX, "acx slot"); + + slot = kzalloc(sizeof(*slot), GFP_KERNEL); + if (!slot) { + ret = -ENOMEM; + goto out; + } + + slot->wone_index = STATION_WONE_INDEX; + slot->slot_time = slot_time; + + ret = wl1251_cmd_configure(wl, ACX_SLOT, slot, sizeof(*slot)); + if (ret < 0) { + wl1251_warning("failed to set slot time: %d", ret); + goto out; + } + +out: + kfree(slot); + return ret; +} + +int wl1251_acx_group_address_tbl(struct wl1251 *wl) +{ + struct acx_dot11_grp_addr_tbl *acx; + int ret; + + wl1251_debug(DEBUG_ACX, "acx group address tbl"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + /* MAC filtering */ + acx->enabled = 0; + acx->num_groups = 0; + memset(acx->mac_table, 0, ADDRESS_GROUP_MAX_LEN); + + ret = wl1251_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL, + acx, sizeof(*acx)); + if (ret < 0) { + wl1251_warning("failed to set group addr table: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1251_acx_service_period_timeout(struct wl1251 *wl) +{ + struct acx_rx_timeout *rx_timeout; + int ret; + + rx_timeout = kzalloc(sizeof(*rx_timeout), GFP_KERNEL); + if (!rx_timeout) { + ret = -ENOMEM; + goto out; + } + + wl1251_debug(DEBUG_ACX, "acx service period timeout"); + + rx_timeout->ps_poll_timeout = RX_TIMEOUT_PS_POLL_DEF; + rx_timeout->upsd_timeout = RX_TIMEOUT_UPSD_DEF; + + ret = wl1251_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT, + rx_timeout, sizeof(*rx_timeout)); + if (ret < 0) { + wl1251_warning("failed to set service period timeout: %d", + ret); + goto out; + } + +out: + kfree(rx_timeout); + return ret; +} + +int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold) +{ + struct acx_rts_threshold *rts; + int ret; + + wl1251_debug(DEBUG_ACX, "acx rts threshold"); + + rts = kzalloc(sizeof(*rts), GFP_KERNEL); + if (!rts) { + ret = -ENOMEM; + goto out; + } + + rts->threshold = rts_threshold; + + ret = wl1251_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts)); + if (ret < 0) { + wl1251_warning("failed to set rts threshold: %d", ret); + goto out; + } + +out: + kfree(rts); + return ret; +} + +int wl1251_acx_beacon_filter_opt(struct wl1251 *wl) +{ + struct acx_beacon_filter_option *beacon_filter; + int ret; + + wl1251_debug(DEBUG_ACX, "acx beacon filter opt"); + + beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL); + if (!beacon_filter) { + ret = -ENOMEM; + goto out; + } + + beacon_filter->enable = 0; + beacon_filter->max_num_beacons = 0; + + ret = wl1251_cmd_configure(wl, ACX_BEACON_FILTER_OPT, + beacon_filter, sizeof(*beacon_filter)); + if (ret < 0) { + wl1251_warning("failed to set beacon filter opt: %d", ret); + goto out; + } + +out: + kfree(beacon_filter); + return ret; +} + +int wl1251_acx_beacon_filter_table(struct wl1251 *wl) +{ + struct acx_beacon_filter_ie_table *ie_table; + int ret; + + wl1251_debug(DEBUG_ACX, "acx beacon filter table"); + + ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL); + if (!ie_table) { + ret = -ENOMEM; + goto out; + } + + ie_table->num_ie = 0; + memset(ie_table->table, 0, BEACON_FILTER_TABLE_MAX_SIZE); + + ret = wl1251_cmd_configure(wl, ACX_BEACON_FILTER_TABLE, + ie_table, sizeof(*ie_table)); + if (ret < 0) { + wl1251_warning("failed to set beacon filter table: %d", ret); + goto out; + } + +out: + kfree(ie_table); + return ret; +} + +int wl1251_acx_sg_enable(struct wl1251 *wl) +{ + struct acx_bt_wlan_coex *pta; + int ret; + + wl1251_debug(DEBUG_ACX, "acx sg enable"); + + pta = kzalloc(sizeof(*pta), GFP_KERNEL); + if (!pta) { + ret = -ENOMEM; + goto out; + } + + pta->enable = SG_ENABLE; + + ret = wl1251_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta)); + if (ret < 0) { + wl1251_warning("failed to set softgemini enable: %d", ret); + goto out; + } + +out: + kfree(pta); + return ret; +} + +int wl1251_acx_sg_cfg(struct wl1251 *wl) +{ + struct acx_bt_wlan_coex_param *param; + int ret; + + wl1251_debug(DEBUG_ACX, "acx sg cfg"); + + param = kzalloc(sizeof(*param), GFP_KERNEL); + if (!param) { + ret = -ENOMEM; + goto out; + } + + /* BT-WLAN coext parameters */ + param->min_rate = RATE_INDEX_24MBPS; + param->bt_hp_max_time = PTA_BT_HP_MAXTIME_DEF; + param->wlan_hp_max_time = PTA_WLAN_HP_MAX_TIME_DEF; + param->sense_disable_timer = PTA_SENSE_DISABLE_TIMER_DEF; + param->rx_time_bt_hp = PTA_PROTECTIVE_RX_TIME_DEF; + param->tx_time_bt_hp = PTA_PROTECTIVE_TX_TIME_DEF; + param->rx_time_bt_hp_fast = PTA_PROTECTIVE_RX_TIME_FAST_DEF; + param->tx_time_bt_hp_fast = PTA_PROTECTIVE_TX_TIME_FAST_DEF; + param->wlan_cycle_fast = PTA_CYCLE_TIME_FAST_DEF; + param->bt_anti_starvation_period = PTA_ANTI_STARVE_PERIOD_DEF; + param->next_bt_lp_packet = PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF; + param->wake_up_beacon = PTA_TIME_BEFORE_BEACON_DEF; + param->hp_dm_max_guard_time = PTA_HPDM_MAX_TIME_DEF; + param->next_wlan_packet = PTA_TIME_OUT_NEXT_WLAN_DEF; + param->antenna_type = PTA_ANTENNA_TYPE_DEF; + param->signal_type = PTA_SIGNALING_TYPE_DEF; + param->afh_leverage_on = PTA_AFH_LEVERAGE_ON_DEF; + param->quiet_cycle_num = PTA_NUMBER_QUIET_CYCLE_DEF; + param->max_cts = PTA_MAX_NUM_CTS_DEF; + param->wlan_packets_num = PTA_NUMBER_OF_WLAN_PACKETS_DEF; + param->bt_packets_num = PTA_NUMBER_OF_BT_PACKETS_DEF; + param->missed_rx_avalanche = PTA_RX_FOR_AVALANCHE_DEF; + param->wlan_elp_hp = PTA_ELP_HP_DEF; + param->bt_anti_starvation_cycles = PTA_ANTI_STARVE_NUM_CYCLE_DEF; + param->ack_mode_dual_ant = PTA_ACK_MODE_DEF; + param->pa_sd_enable = PTA_ALLOW_PA_SD_DEF; + param->pta_auto_mode_enable = PTA_AUTO_MODE_NO_CTS_DEF; + param->bt_hp_respected_num = PTA_BT_HP_RESPECTED_DEF; + + ret = wl1251_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param)); + if (ret < 0) { + wl1251_warning("failed to set sg config: %d", ret); + goto out; + } + +out: + kfree(param); + return ret; +} + +int wl1251_acx_cca_threshold(struct wl1251 *wl) +{ + struct acx_energy_detection *detection; + int ret; + + wl1251_debug(DEBUG_ACX, "acx cca threshold"); + + detection = kzalloc(sizeof(*detection), GFP_KERNEL); + if (!detection) { + ret = -ENOMEM; + goto out; + } + + detection->rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D; + detection->tx_energy_detection = 0; + + ret = wl1251_cmd_configure(wl, ACX_CCA_THRESHOLD, + detection, sizeof(*detection)); + if (ret < 0) { + wl1251_warning("failed to set cca threshold: %d", ret); + return ret; + } + +out: + kfree(detection); + return ret; +} + +int wl1251_acx_bcn_dtim_options(struct wl1251 *wl) +{ + struct acx_beacon_broadcast *bb; + int ret; + + wl1251_debug(DEBUG_ACX, "acx bcn dtim options"); + + bb = kzalloc(sizeof(*bb), GFP_KERNEL); + if (!bb) { + ret = -ENOMEM; + goto out; + } + + bb->beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE; + bb->broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE; + bb->rx_broadcast_in_ps = RX_BROADCAST_IN_PS_DEF_VALUE; + bb->ps_poll_threshold = CONSECUTIVE_PS_POLL_FAILURE_DEF; + + ret = wl1251_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb)); + if (ret < 0) { + wl1251_warning("failed to set rx config: %d", ret); + goto out; + } + +out: + kfree(bb); + return ret; +} + +int wl1251_acx_aid(struct wl1251 *wl, u16 aid) +{ + struct acx_aid *acx_aid; + int ret; + + wl1251_debug(DEBUG_ACX, "acx aid"); + + acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL); + if (!acx_aid) { + ret = -ENOMEM; + goto out; + } + + acx_aid->aid = aid; + + ret = wl1251_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid)); + if (ret < 0) { + wl1251_warning("failed to set aid: %d", ret); + goto out; + } + +out: + kfree(acx_aid); + return ret; +} + +int wl1251_acx_event_mbox_mask(struct wl1251 *wl, u32 event_mask) +{ + struct acx_event_mask *mask; + int ret; + + wl1251_debug(DEBUG_ACX, "acx event mbox mask"); + + mask = kzalloc(sizeof(*mask), GFP_KERNEL); + if (!mask) { + ret = -ENOMEM; + goto out; + } + + /* high event mask is unused */ + mask->high_event_mask = 0xffffffff; + + mask->event_mask = event_mask; + + ret = wl1251_cmd_configure(wl, ACX_EVENT_MBOX_MASK, + mask, sizeof(*mask)); + if (ret < 0) { + wl1251_warning("failed to set acx_event_mbox_mask: %d", ret); + goto out; + } + +out: + kfree(mask); + return ret; +} + +int wl1251_acx_set_preamble(struct wl1251 *wl, enum acx_preamble_type preamble) +{ + struct acx_preamble *acx; + int ret; + + wl1251_debug(DEBUG_ACX, "acx_set_preamble"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->preamble = preamble; + + ret = wl1251_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx)); + if (ret < 0) { + wl1251_warning("Setting of preamble failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1251_acx_cts_protect(struct wl1251 *wl, + enum acx_ctsprotect_type ctsprotect) +{ + struct acx_ctsprotect *acx; + int ret; + + wl1251_debug(DEBUG_ACX, "acx_set_ctsprotect"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->ctsprotect = ctsprotect; + + ret = wl1251_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx)); + if (ret < 0) { + wl1251_warning("Setting of ctsprotect failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1251_acx_tsf_info(struct wl1251 *wl, u64 *mactime) +{ + struct acx_tsf_info *tsf_info; + int ret; + + tsf_info = kzalloc(sizeof(*tsf_info), GFP_KERNEL); + if (!tsf_info) { + ret = -ENOMEM; + goto out; + } + + ret = wl1251_cmd_interrogate(wl, ACX_TSF_INFO, + tsf_info, sizeof(*tsf_info)); + if (ret < 0) { + wl1251_warning("ACX_FW_REV interrogate failed"); + goto out; + } + + *mactime = tsf_info->current_tsf_lsb | + (tsf_info->current_tsf_msb << 31); + +out: + kfree(tsf_info); + return ret; +} + +int wl1251_acx_statistics(struct wl1251 *wl, struct acx_statistics *stats) +{ + int ret; + + wl1251_debug(DEBUG_ACX, "acx statistics"); + + ret = wl1251_cmd_interrogate(wl, ACX_STATISTICS, stats, + sizeof(*stats)); + if (ret < 0) { + wl1251_warning("acx statistics failed: %d", ret); + return -ENOMEM; + } + + return 0; +} + +int wl1251_acx_rate_policies(struct wl1251 *wl) +{ + struct acx_rate_policy *acx; + int ret = 0; + + wl1251_debug(DEBUG_ACX, "acx rate policies"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + + if (!acx) { + ret = -ENOMEM; + goto out; + } + + /* configure one default (one-size-fits-all) rate class */ + acx->rate_class_cnt = 1; + acx->rate_class[0].enabled_rates = ACX_RATE_MASK_UNSPECIFIED; + acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT; + acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT; + acx->rate_class[0].aflags = 0; + + ret = wl1251_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx)); + if (ret < 0) { + wl1251_warning("Setting of rate policies failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1251_acx_mem_cfg(struct wl1251 *wl) +{ + struct wl1251_acx_config_memory *mem_conf; + int ret, i; + + wl1251_debug(DEBUG_ACX, "acx mem cfg"); + + mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL); + if (!mem_conf) { + ret = -ENOMEM; + goto out; + } + + /* memory config */ + mem_conf->mem_config.num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS); + mem_conf->mem_config.rx_mem_block_num = 35; + mem_conf->mem_config.tx_min_mem_block_num = 64; + mem_conf->mem_config.num_tx_queues = MAX_TX_QUEUES; + mem_conf->mem_config.host_if_options = HOSTIF_PKT_RING; + mem_conf->mem_config.num_ssid_profiles = 1; + mem_conf->mem_config.debug_buffer_size = + cpu_to_le16(TRACE_BUFFER_MAX_SIZE); + + /* RX queue config */ + mem_conf->rx_queue_config.dma_address = 0; + mem_conf->rx_queue_config.num_descs = ACX_RX_DESC_DEF; + mem_conf->rx_queue_config.priority = DEFAULT_RXQ_PRIORITY; + mem_conf->rx_queue_config.type = DEFAULT_RXQ_TYPE; + + /* TX queue config */ + for (i = 0; i < MAX_TX_QUEUES; i++) { + mem_conf->tx_queue_config[i].num_descs = ACX_TX_DESC_DEF; + mem_conf->tx_queue_config[i].attributes = i; + } + + ret = wl1251_cmd_configure(wl, ACX_MEM_CFG, mem_conf, + sizeof(*mem_conf)); + if (ret < 0) { + wl1251_warning("wl1251 mem config failed: %d", ret); + goto out; + } + +out: + kfree(mem_conf); + return ret; +} diff --git a/drivers/net/wireless/wl12xx/acx.h b/drivers/net/wireless/wl12xx/wl1251_acx.h index fb2d2340993c..cafb91459504 100644 --- a/drivers/net/wireless/wl12xx/acx.h +++ b/drivers/net/wireless/wl12xx/wl1251_acx.h @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation @@ -22,14 +22,20 @@ * */ -#ifndef __WL12XX_ACX_H__ -#define __WL12XX_ACX_H__ +#ifndef __WL1251_ACX_H__ +#define __WL1251_ACX_H__ -#include "wl12xx.h" +#include "wl1251.h" +#include "wl1251_cmd.h" /* Target's information element */ struct acx_header { + struct wl1251_cmd_header cmd; + + /* acx (or information element) header */ u16 id; + + /* payload length (not including headers */ u16 len; }; @@ -85,15 +91,15 @@ struct acx_revision { u32 hw_version; } __attribute__ ((packed)); -enum wl12xx_psm_mode { +enum wl1251_psm_mode { /* Active mode */ - WL12XX_PSM_CAM = 0, + WL1251_PSM_CAM = 0, /* Power save mode */ - WL12XX_PSM_PS = 1, + WL1251_PSM_PS = 1, /* Extreme low power */ - WL12XX_PSM_ELP = 2, + WL1251_PSM_ELP = 2, }; struct acx_sleep_auth { @@ -107,25 +113,6 @@ struct acx_sleep_auth { u8 padding[3]; } __attribute__ ((packed)); -#define TIM_ELE_ID 5 -#define PARTIAL_VBM_MAX 251 - -struct tim { - u8 identity; - u8 length; - u8 dtim_count; - u8 dtim_period; - u8 bitmap_ctrl; - u8 pvb_field[PARTIAL_VBM_MAX]; /* Partial Virtual Bitmap */ -} __attribute__ ((packed)); - -/* Virtual Bit Map update */ -struct vbm_update_request { - __le16 len; - u8 padding[2]; - struct tim tim; -} __attribute__ ((packed)); - enum { HOSTIF_PCI_MASTER_HOST_INDIRECT, HOSTIF_PCI_MASTER_HOST_DIRECT, @@ -202,7 +189,7 @@ struct acx_data_path_params_resp { #define RX_MSDU_LIFETIME_MAX 0xFFFFFFFF #define RX_MSDU_LIFETIME_DEF 512000 -struct rx_msdu_lifetime { +struct acx_rx_msdu_lifetime { struct acx_header header; /* @@ -368,7 +355,7 @@ struct acx_slot { #define ADDRESS_GROUP_MAX (8) #define ADDRESS_GROUP_MAX_LEN (ETH_ALEN * ADDRESS_GROUP_MAX) -struct multicast_grp_addr_start { +struct acx_dot11_grp_addr_tbl { struct acx_header header; u8 enabled; @@ -730,22 +717,13 @@ struct acx_fw_gen_frame_rates { } __attribute__ ((packed)); /* STA MAC */ -struct dot11_station_id { +struct acx_dot11_station_id { struct acx_header header; u8 mac[ETH_ALEN]; u8 pad[2]; } __attribute__ ((packed)); -/* HW encryption keys */ -#define NUM_ACCESS_CATEGORIES_COPY 4 -#define MAX_KEY_SIZE 32 - -/* When set, disable HW encryption */ -#define DF_ENCRYPTION_DISABLE 0x01 -/* When set, disable HW decryption */ -#define DF_SNIFF_MODE_ENABLE 0x80 - struct acx_feature_config { struct acx_header header; @@ -753,67 +731,6 @@ struct acx_feature_config { u32 data_flow_options; } __attribute__ ((packed)); -enum acx_key_action { - KEY_ADD_OR_REPLACE = 1, - KEY_REMOVE = 2, - KEY_SET_ID = 3, - MAX_KEY_ACTION = 0xffff, -}; - -enum acx_key_type { - KEY_WEP_DEFAULT = 0, - KEY_WEP_ADDR = 1, - KEY_AES_GROUP = 4, - KEY_AES_PAIRWISE = 5, - KEY_WEP_GROUP = 6, - KEY_TKIP_MIC_GROUP = 10, - KEY_TKIP_MIC_PAIRWISE = 11, -}; - -/* - * - * key_type_e key size key format - * ---------- --------- ---------- - * 0x00 5, 13, 29 Key data - * 0x01 5, 13, 29 Key data - * 0x04 16 16 bytes of key data - * 0x05 16 16 bytes of key data - * 0x0a 32 16 bytes of TKIP key data - * 8 bytes of RX MIC key data - * 8 bytes of TX MIC key data - * 0x0b 32 16 bytes of TKIP key data - * 8 bytes of RX MIC key data - * 8 bytes of TX MIC key data - * - */ - -struct acx_set_key { - /* Ignored for default WEP key */ - u8 addr[ETH_ALEN]; - - /* key_action_e */ - u16 key_action; - - u16 reserved_1; - - /* key size in bytes */ - u8 key_size; - - /* key_type_e */ - u8 key_type; - u8 ssid_profile; - - /* - * TKIP, AES: frame's key id field. - * For WEP default key: key id; - */ - u8 id; - u8 reserved_2[6]; - u8 key[MAX_KEY_SIZE]; - u16 ac_seq_num16[NUM_ACCESS_CATEGORIES_COPY]; - u32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY]; -} __attribute__ ((packed)); - struct acx_current_tx_power { struct acx_header header; @@ -839,26 +756,6 @@ struct acx_tsf_info { u8 pad[3]; } __attribute__ ((packed)); -/* 802.11 PS */ -enum acx_ps_mode { - STATION_ACTIVE_MODE, - STATION_POWER_SAVE_MODE -}; - -struct acx_ps_params { - u8 ps_mode; /* STATION_* */ - u8 send_null_data; /* Do we have to send NULL data packet ? */ - u8 retries; /* Number of retires for the initial NULL data packet */ - - /* - * TUs during which the target stays awake after switching - * to power save mode. - */ - u8 hang_over_period; - u16 null_data_rate; - u8 pad[2]; -} __attribute__ ((packed)); - enum acx_wake_up_event { WAKE_UP_EVENT_BEACON_BITMAP = 0x01, /* Wake on every Beacon*/ WAKE_UP_EVENT_DTIM_BITMAP = 0x02, /* Wake on every DTIM*/ @@ -892,6 +789,7 @@ enum acx_preamble_type { struct acx_preamble { struct acx_header header; + /* * When set, the WiLink transmits the frames with a short preamble and * when cleared, the WiLink transmits the frames with a long preamble. @@ -1133,6 +1031,150 @@ struct acx_statistics { struct acx_rxpipe_statistics rxpipe; } __attribute__ ((packed)); +#define ACX_MAX_RATE_CLASSES 8 +#define ACX_RATE_MASK_UNSPECIFIED 0 +#define ACX_RATE_RETRY_LIMIT 10 + +struct acx_rate_class { + u32 enabled_rates; + u8 short_retry_limit; + u8 long_retry_limit; + u8 aflags; + u8 reserved; +}; + +struct acx_rate_policy { + struct acx_header header; + + u32 rate_class_cnt; + struct acx_rate_class rate_class[ACX_MAX_RATE_CLASSES]; +} __attribute__ ((packed)); + +struct wl1251_acx_memory { + __le16 num_stations; /* number of STAs to be supported. */ + u16 reserved_1; + + /* + * Nmber of memory buffers for the RX mem pool. + * The actual number may be less if there are + * not enough blocks left for the minimum num + * of TX ones. + */ + u8 rx_mem_block_num; + u8 reserved_2; + u8 num_tx_queues; /* From 1 to 16 */ + u8 host_if_options; /* HOST_IF* */ + u8 tx_min_mem_block_num; + u8 num_ssid_profiles; + __le16 debug_buffer_size; +} __attribute__ ((packed)); + + +#define ACX_RX_DESC_MIN 1 +#define ACX_RX_DESC_MAX 127 +#define ACX_RX_DESC_DEF 32 +struct wl1251_acx_rx_queue_config { + u8 num_descs; + u8 pad; + u8 type; + u8 priority; + __le32 dma_address; +} __attribute__ ((packed)); + +#define ACX_TX_DESC_MIN 1 +#define ACX_TX_DESC_MAX 127 +#define ACX_TX_DESC_DEF 16 +struct wl1251_acx_tx_queue_config { + u8 num_descs; + u8 pad[2]; + u8 attributes; +} __attribute__ ((packed)); + +#define MAX_TX_QUEUE_CONFIGS 5 +#define MAX_TX_QUEUES 4 +struct wl1251_acx_config_memory { + struct acx_header header; + + struct wl1251_acx_memory mem_config; + struct wl1251_acx_rx_queue_config rx_queue_config; + struct wl1251_acx_tx_queue_config tx_queue_config[MAX_TX_QUEUE_CONFIGS]; +} __attribute__ ((packed)); + +struct wl1251_acx_mem_map { + struct acx_header header; + + void *code_start; + void *code_end; + + void *wep_defkey_start; + void *wep_defkey_end; + + void *sta_table_start; + void *sta_table_end; + + void *packet_template_start; + void *packet_template_end; + + void *queue_memory_start; + void *queue_memory_end; + + void *packet_memory_pool_start; + void *packet_memory_pool_end; + + void *debug_buffer1_start; + void *debug_buffer1_end; + + void *debug_buffer2_start; + void *debug_buffer2_end; + + /* Number of blocks FW allocated for TX packets */ + u32 num_tx_mem_blocks; + + /* Number of blocks FW allocated for RX packets */ + u32 num_rx_mem_blocks; +} __attribute__ ((packed)); + +/************************************************************************* + + Host Interrupt Register (WiLink -> Host) + +**************************************************************************/ + +/* RX packet is ready in Xfer buffer #0 */ +#define WL1251_ACX_INTR_RX0_DATA BIT(0) + +/* TX result(s) are in the TX complete buffer */ +#define WL1251_ACX_INTR_TX_RESULT BIT(1) + +/* OBSOLETE */ +#define WL1251_ACX_INTR_TX_XFR BIT(2) + +/* RX packet is ready in Xfer buffer #1 */ +#define WL1251_ACX_INTR_RX1_DATA BIT(3) + +/* Event was entered to Event MBOX #A */ +#define WL1251_ACX_INTR_EVENT_A BIT(4) + +/* Event was entered to Event MBOX #B */ +#define WL1251_ACX_INTR_EVENT_B BIT(5) + +/* OBSOLETE */ +#define WL1251_ACX_INTR_WAKE_ON_HOST BIT(6) + +/* Trace meassge on MBOX #A */ +#define WL1251_ACX_INTR_TRACE_A BIT(7) + +/* Trace meassge on MBOX #B */ +#define WL1251_ACX_INTR_TRACE_B BIT(8) + +/* Command processing completion */ +#define WL1251_ACX_INTR_CMD_COMPLETE BIT(9) + +/* Init sequence is done */ +#define WL1251_ACX_INTR_INIT_COMPLETE BIT(14) + +#define WL1251_ACX_INTR_ALL 0xFFFFFFFF + enum { ACX_WAKE_UP_CONDITIONS = 0x0002, ACX_MEM_CFG = 0x0003, @@ -1210,36 +1252,41 @@ enum { }; -int wl12xx_acx_frame_rates(struct wl12xx *wl, u8 ctrl_rate, u8 ctrl_mod, +int wl1251_acx_frame_rates(struct wl1251 *wl, u8 ctrl_rate, u8 ctrl_mod, u8 mgt_rate, u8 mgt_mod); -int wl12xx_acx_station_id(struct wl12xx *wl); -int wl12xx_acx_default_key(struct wl12xx *wl, u8 key_id); -int wl12xx_acx_wake_up_conditions(struct wl12xx *wl, u8 listen_interval); -int wl12xx_acx_sleep_auth(struct wl12xx *wl, u8 sleep_auth); -int wl12xx_acx_fw_version(struct wl12xx *wl, char *buf, size_t len); -int wl12xx_acx_tx_power(struct wl12xx *wl, int power); -int wl12xx_acx_feature_cfg(struct wl12xx *wl); -int wl12xx_acx_mem_map(struct wl12xx *wl, void *mem_map, size_t len); -int wl12xx_acx_data_path_params(struct wl12xx *wl, +int wl1251_acx_station_id(struct wl1251 *wl); +int wl1251_acx_default_key(struct wl1251 *wl, u8 key_id); +int wl1251_acx_wake_up_conditions(struct wl1251 *wl, u8 wake_up_event, + u8 listen_interval); +int wl1251_acx_sleep_auth(struct wl1251 *wl, u8 sleep_auth); +int wl1251_acx_fw_version(struct wl1251 *wl, char *buf, size_t len); +int wl1251_acx_tx_power(struct wl1251 *wl, int power); +int wl1251_acx_feature_cfg(struct wl1251 *wl); +int wl1251_acx_mem_map(struct wl1251 *wl, + struct acx_header *mem_map, size_t len); +int wl1251_acx_data_path_params(struct wl1251 *wl, struct acx_data_path_params_resp *data_path); -int wl12xx_acx_rx_msdu_life_time(struct wl12xx *wl, u32 life_time); -int wl12xx_acx_rx_config(struct wl12xx *wl, u32 config, u32 filter); -int wl12xx_acx_pd_threshold(struct wl12xx *wl); -int wl12xx_acx_slot(struct wl12xx *wl, enum acx_slot_type slot_time); -int wl12xx_acx_group_address_tbl(struct wl12xx *wl); -int wl12xx_acx_service_period_timeout(struct wl12xx *wl); -int wl12xx_acx_rts_threshold(struct wl12xx *wl, u16 rts_threshold); -int wl12xx_acx_beacon_filter_opt(struct wl12xx *wl); -int wl12xx_acx_beacon_filter_table(struct wl12xx *wl); -int wl12xx_acx_sg_enable(struct wl12xx *wl); -int wl12xx_acx_sg_cfg(struct wl12xx *wl); -int wl12xx_acx_cca_threshold(struct wl12xx *wl); -int wl12xx_acx_bcn_dtim_options(struct wl12xx *wl); -int wl12xx_acx_aid(struct wl12xx *wl, u16 aid); -int wl12xx_acx_event_mbox_mask(struct wl12xx *wl, u32 event_mask); -int wl12xx_acx_set_preamble(struct wl12xx *wl, enum acx_preamble_type preamble); -int wl12xx_acx_cts_protect(struct wl12xx *wl, +int wl1251_acx_rx_msdu_life_time(struct wl1251 *wl, u32 life_time); +int wl1251_acx_rx_config(struct wl1251 *wl, u32 config, u32 filter); +int wl1251_acx_pd_threshold(struct wl1251 *wl); +int wl1251_acx_slot(struct wl1251 *wl, enum acx_slot_type slot_time); +int wl1251_acx_group_address_tbl(struct wl1251 *wl); +int wl1251_acx_service_period_timeout(struct wl1251 *wl); +int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold); +int wl1251_acx_beacon_filter_opt(struct wl1251 *wl); +int wl1251_acx_beacon_filter_table(struct wl1251 *wl); +int wl1251_acx_sg_enable(struct wl1251 *wl); +int wl1251_acx_sg_cfg(struct wl1251 *wl); +int wl1251_acx_cca_threshold(struct wl1251 *wl); +int wl1251_acx_bcn_dtim_options(struct wl1251 *wl); +int wl1251_acx_aid(struct wl1251 *wl, u16 aid); +int wl1251_acx_event_mbox_mask(struct wl1251 *wl, u32 event_mask); +int wl1251_acx_set_preamble(struct wl1251 *wl, enum acx_preamble_type preamble); +int wl1251_acx_cts_protect(struct wl1251 *wl, enum acx_ctsprotect_type ctsprotect); -int wl12xx_acx_statistics(struct wl12xx *wl, struct acx_statistics *stats); +int wl1251_acx_statistics(struct wl1251 *wl, struct acx_statistics *stats); +int wl1251_acx_tsf_info(struct wl1251 *wl, u64 *mactime); +int wl1251_acx_rate_policies(struct wl1251 *wl); +int wl1251_acx_mem_cfg(struct wl1251 *wl); -#endif /* __WL12XX_ACX_H__ */ +#endif /* __WL1251_ACX_H__ */ diff --git a/drivers/net/wireless/wl12xx/wl1251_boot.c b/drivers/net/wireless/wl12xx/wl1251_boot.c new file mode 100644 index 000000000000..452d748e42c6 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_boot.c @@ -0,0 +1,530 @@ +/* + * This file is part of wl1251 + * + * Copyright (C) 2008 Nokia Corporation + * + * Contact: Kalle Valo <kalle.valo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/gpio.h> + +#include "wl1251_reg.h" +#include "wl1251_boot.h" +#include "wl1251_io.h" +#include "wl1251_spi.h" +#include "wl1251_event.h" +#include "wl1251_acx.h" + +void wl1251_boot_target_enable_interrupts(struct wl1251 *wl) +{ + wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); + wl1251_reg_write32(wl, HI_CFG, HI_CFG_DEF_VAL); +} + +int wl1251_boot_soft_reset(struct wl1251 *wl) +{ + unsigned long timeout; + u32 boot_data; + + /* perform soft reset */ + wl1251_reg_write32(wl, ACX_REG_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT); + + /* SOFT_RESET is self clearing */ + timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME); + while (1) { + boot_data = wl1251_reg_read32(wl, ACX_REG_SLV_SOFT_RESET); + wl1251_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data); + if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0) + break; + + if (time_after(jiffies, timeout)) { + /* 1.2 check pWhalBus->uSelfClearTime if the + * timeout was reached */ + wl1251_error("soft reset timeout"); + return -1; + } + + udelay(SOFT_RESET_STALL_TIME); + } + + /* disable Rx/Tx */ + wl1251_reg_write32(wl, ENABLE, 0x0); + + /* disable auto calibration on start*/ + wl1251_reg_write32(wl, SPARE_A2, 0xffff); + + return 0; +} + +int wl1251_boot_init_seq(struct wl1251 *wl) +{ + u32 scr_pad6, init_data, tmp, elp_cmd, ref_freq; + + /* + * col #1: INTEGER_DIVIDER + * col #2: FRACTIONAL_DIVIDER + * col #3: ATTN_BB + * col #4: ALPHA_BB + * col #5: STOP_TIME_BB + * col #6: BB_PLL_LOOP_FILTER + */ + static const u32 LUT[REF_FREQ_NUM][LUT_PARAM_NUM] = { + + { 83, 87381, 0xB, 5, 0xF00, 3}, /* REF_FREQ_19_2*/ + { 61, 141154, 0xB, 5, 0x1450, 2}, /* REF_FREQ_26_0*/ + { 41, 174763, 0xC, 6, 0x2D00, 1}, /* REF_FREQ_38_4*/ + { 40, 0, 0xC, 6, 0x2EE0, 1}, /* REF_FREQ_40_0*/ + { 47, 162280, 0xC, 6, 0x2760, 1} /* REF_FREQ_33_6 */ + }; + + /* read NVS params */ + scr_pad6 = wl1251_reg_read32(wl, SCR_PAD6); + wl1251_debug(DEBUG_BOOT, "scr_pad6 0x%x", scr_pad6); + + /* read ELP_CMD */ + elp_cmd = wl1251_reg_read32(wl, ELP_CMD); + wl1251_debug(DEBUG_BOOT, "elp_cmd 0x%x", elp_cmd); + + /* set the BB calibration time to be 300 usec (PLL_CAL_TIME) */ + ref_freq = scr_pad6 & 0x000000FF; + wl1251_debug(DEBUG_BOOT, "ref_freq 0x%x", ref_freq); + + wl1251_reg_write32(wl, PLL_CAL_TIME, 0x9); + + /* + * PG 1.2: set the clock buffer time to be 210 usec (CLK_BUF_TIME) + */ + wl1251_reg_write32(wl, CLK_BUF_TIME, 0x6); + + /* + * set the clock detect feature to work in the restart wu procedure + * (ELP_CFG_MODE[14]) and Select the clock source type + * (ELP_CFG_MODE[13:12]) + */ + tmp = ((scr_pad6 & 0x0000FF00) << 4) | 0x00004000; + wl1251_reg_write32(wl, ELP_CFG_MODE, tmp); + + /* PG 1.2: enable the BB PLL fix. Enable the PLL_LIMP_CLK_EN_CMD */ + elp_cmd |= 0x00000040; + wl1251_reg_write32(wl, ELP_CMD, elp_cmd); + + /* PG 1.2: Set the BB PLL stable time to be 1000usec + * (PLL_STABLE_TIME) */ + wl1251_reg_write32(wl, CFG_PLL_SYNC_CNT, 0x20); + + /* PG 1.2: read clock request time */ + init_data = wl1251_reg_read32(wl, CLK_REQ_TIME); + + /* + * PG 1.2: set the clock request time to be ref_clk_settling_time - + * 1ms = 4ms + */ + if (init_data > 0x21) + tmp = init_data - 0x21; + else + tmp = 0; + wl1251_reg_write32(wl, CLK_REQ_TIME, tmp); + + /* set BB PLL configurations in RF AFE */ + wl1251_reg_write32(wl, 0x003058cc, 0x4B5); + + /* set RF_AFE_REG_5 */ + wl1251_reg_write32(wl, 0x003058d4, 0x50); + + /* set RF_AFE_CTRL_REG_2 */ + wl1251_reg_write32(wl, 0x00305948, 0x11c001); + + /* + * change RF PLL and BB PLL divider for VCO clock and adjust VCO + * bais current(RF_AFE_REG_13) + */ + wl1251_reg_write32(wl, 0x003058f4, 0x1e); + + /* set BB PLL configurations */ + tmp = LUT[ref_freq][LUT_PARAM_INTEGER_DIVIDER] | 0x00017000; + wl1251_reg_write32(wl, 0x00305840, tmp); + + /* set fractional divider according to Appendix C-BB PLL + * Calculations + */ + tmp = LUT[ref_freq][LUT_PARAM_FRACTIONAL_DIVIDER]; + wl1251_reg_write32(wl, 0x00305844, tmp); + + /* set the initial data for the sigma delta */ + wl1251_reg_write32(wl, 0x00305848, 0x3039); + + /* + * set the accumulator attenuation value, calibration loop1 + * (alpha), calibration loop2 (beta), calibration loop3 (gamma) and + * the VCO gain + */ + tmp = (LUT[ref_freq][LUT_PARAM_ATTN_BB] << 16) | + (LUT[ref_freq][LUT_PARAM_ALPHA_BB] << 12) | 0x1; + wl1251_reg_write32(wl, 0x00305854, tmp); + + /* + * set the calibration stop time after holdoff time expires and set + * settling time HOLD_OFF_TIME_BB + */ + tmp = LUT[ref_freq][LUT_PARAM_STOP_TIME_BB] | 0x000A0000; + wl1251_reg_write32(wl, 0x00305858, tmp); + + /* + * set BB PLL Loop filter capacitor3- BB_C3[2:0] and set BB PLL + * constant leakage current to linearize PFD to 0uA - + * BB_ILOOPF[7:3] + */ + tmp = LUT[ref_freq][LUT_PARAM_BB_PLL_LOOP_FILTER] | 0x00000030; + wl1251_reg_write32(wl, 0x003058f8, tmp); + + /* + * set regulator output voltage for n divider to + * 1.35-BB_REFDIV[1:0], set charge pump current- BB_CPGAIN[4:2], + * set BB PLL Loop filter capacitor2- BB_C2[7:5], set gain of BB + * PLL auto-call to normal mode- BB_CALGAIN_3DB[8] + */ + wl1251_reg_write32(wl, 0x003058f0, 0x29); + + /* enable restart wakeup sequence (ELP_CMD[0]) */ + wl1251_reg_write32(wl, ELP_CMD, elp_cmd | 0x1); + + /* restart sequence completed */ + udelay(2000); + + return 0; +} + +static void wl1251_boot_set_ecpu_ctrl(struct wl1251 *wl, u32 flag) +{ + u32 cpu_ctrl; + + /* 10.5.0 run the firmware (I) */ + cpu_ctrl = wl1251_reg_read32(wl, ACX_REG_ECPU_CONTROL); + + /* 10.5.1 run the firmware (II) */ + cpu_ctrl &= ~flag; + wl1251_reg_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl); +} + +int wl1251_boot_run_firmware(struct wl1251 *wl) +{ + int loop, ret; + u32 chip_id, interrupt; + + wl1251_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT); + + chip_id = wl1251_reg_read32(wl, CHIP_ID_B); + + wl1251_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id); + + if (chip_id != wl->chip_id) { + wl1251_error("chip id doesn't match after firmware boot"); + return -EIO; + } + + /* wait for init to complete */ + loop = 0; + while (loop++ < INIT_LOOP) { + udelay(INIT_LOOP_DELAY); + interrupt = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); + + if (interrupt == 0xffffffff) { + wl1251_error("error reading hardware complete " + "init indication"); + return -EIO; + } + /* check that ACX_INTR_INIT_COMPLETE is enabled */ + else if (interrupt & WL1251_ACX_INTR_INIT_COMPLETE) { + wl1251_reg_write32(wl, ACX_REG_INTERRUPT_ACK, + WL1251_ACX_INTR_INIT_COMPLETE); + break; + } + } + + if (loop >= INIT_LOOP) { + wl1251_error("timeout waiting for the hardware to " + "complete initialization"); + return -EIO; + } + + /* get hardware config command mail box */ + wl->cmd_box_addr = wl1251_reg_read32(wl, REG_COMMAND_MAILBOX_PTR); + + /* get hardware config event mail box */ + wl->event_box_addr = wl1251_reg_read32(wl, REG_EVENT_MAILBOX_PTR); + + /* set the working partition to its "running" mode offset */ + wl1251_set_partition(wl, WL1251_PART_WORK_MEM_START, + WL1251_PART_WORK_MEM_SIZE, + WL1251_PART_WORK_REG_START, + WL1251_PART_WORK_REG_SIZE); + + wl1251_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x event_box_addr 0x%x", + wl->cmd_box_addr, wl->event_box_addr); + + wl1251_acx_fw_version(wl, wl->fw_ver, sizeof(wl->fw_ver)); + + /* + * in case of full asynchronous mode the firmware event must be + * ready to receive event from the command mailbox + */ + + /* enable gpio interrupts */ + wl1251_enable_interrupts(wl); + + /* Enable target's interrupts */ + wl->intr_mask = WL1251_ACX_INTR_RX0_DATA | + WL1251_ACX_INTR_RX1_DATA | + WL1251_ACX_INTR_TX_RESULT | + WL1251_ACX_INTR_EVENT_A | + WL1251_ACX_INTR_EVENT_B | + WL1251_ACX_INTR_INIT_COMPLETE; + wl1251_boot_target_enable_interrupts(wl); + + /* unmask all mbox events */ + wl->event_mask = 0xffffffff; + + ret = wl1251_event_unmask(wl); + if (ret < 0) { + wl1251_error("EVENT mask setting failed"); + return ret; + } + + wl1251_event_mbox_config(wl); + + /* firmware startup completed */ + return 0; +} + +static int wl1251_boot_upload_firmware(struct wl1251 *wl) +{ + int addr, chunk_num, partition_limit; + size_t fw_data_len; + u8 *p; + + /* whal_FwCtrl_LoadFwImageSm() */ + + wl1251_debug(DEBUG_BOOT, "chip id before fw upload: 0x%x", + wl1251_reg_read32(wl, CHIP_ID_B)); + + /* 10.0 check firmware length and set partition */ + fw_data_len = (wl->fw[4] << 24) | (wl->fw[5] << 16) | + (wl->fw[6] << 8) | (wl->fw[7]); + + wl1251_debug(DEBUG_BOOT, "fw_data_len %zu chunk_size %d", fw_data_len, + CHUNK_SIZE); + + if ((fw_data_len % 4) != 0) { + wl1251_error("firmware length not multiple of four"); + return -EIO; + } + + wl1251_set_partition(wl, WL1251_PART_DOWN_MEM_START, + WL1251_PART_DOWN_MEM_SIZE, + WL1251_PART_DOWN_REG_START, + WL1251_PART_DOWN_REG_SIZE); + + /* 10.1 set partition limit and chunk num */ + chunk_num = 0; + partition_limit = WL1251_PART_DOWN_MEM_SIZE; + + while (chunk_num < fw_data_len / CHUNK_SIZE) { + /* 10.2 update partition, if needed */ + addr = WL1251_PART_DOWN_MEM_START + + (chunk_num + 2) * CHUNK_SIZE; + if (addr > partition_limit) { + addr = WL1251_PART_DOWN_MEM_START + + chunk_num * CHUNK_SIZE; + partition_limit = chunk_num * CHUNK_SIZE + + WL1251_PART_DOWN_MEM_SIZE; + wl1251_set_partition(wl, + addr, + WL1251_PART_DOWN_MEM_SIZE, + WL1251_PART_DOWN_REG_START, + WL1251_PART_DOWN_REG_SIZE); + } + + /* 10.3 upload the chunk */ + addr = WL1251_PART_DOWN_MEM_START + chunk_num * CHUNK_SIZE; + p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE; + wl1251_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x", + p, addr); + wl1251_mem_write(wl, addr, p, CHUNK_SIZE); + + chunk_num++; + } + + /* 10.4 upload the last chunk */ + addr = WL1251_PART_DOWN_MEM_START + chunk_num * CHUNK_SIZE; + p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE; + wl1251_debug(DEBUG_BOOT, "uploading fw last chunk (%zu B) 0x%p to 0x%x", + fw_data_len % CHUNK_SIZE, p, addr); + wl1251_mem_write(wl, addr, p, fw_data_len % CHUNK_SIZE); + + return 0; +} + +static int wl1251_boot_upload_nvs(struct wl1251 *wl) +{ + size_t nvs_len, nvs_bytes_written, burst_len; + int nvs_start, i; + u32 dest_addr, val; + u8 *nvs_ptr, *nvs; + + nvs = wl->nvs; + if (nvs == NULL) + return -ENODEV; + + nvs_ptr = nvs; + + nvs_len = wl->nvs_len; + nvs_start = wl->fw_len; + + /* + * Layout before the actual NVS tables: + * 1 byte : burst length. + * 2 bytes: destination address. + * n bytes: data to burst copy. + * + * This is ended by a 0 length, then the NVS tables. + */ + + while (nvs_ptr[0]) { + burst_len = nvs_ptr[0]; + dest_addr = (nvs_ptr[1] & 0xfe) | ((u32)(nvs_ptr[2] << 8)); + + /* We move our pointer to the data */ + nvs_ptr += 3; + + for (i = 0; i < burst_len; i++) { + val = (nvs_ptr[0] | (nvs_ptr[1] << 8) + | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24)); + + wl1251_debug(DEBUG_BOOT, + "nvs burst write 0x%x: 0x%x", + dest_addr, val); + wl1251_mem_write32(wl, dest_addr, val); + + nvs_ptr += 4; + dest_addr += 4; + } + } + + /* + * We've reached the first zero length, the first NVS table + * is 7 bytes further. + */ + nvs_ptr += 7; + nvs_len -= nvs_ptr - nvs; + nvs_len = ALIGN(nvs_len, 4); + + /* Now we must set the partition correctly */ + wl1251_set_partition(wl, nvs_start, + WL1251_PART_DOWN_MEM_SIZE, + WL1251_PART_DOWN_REG_START, + WL1251_PART_DOWN_REG_SIZE); + + /* And finally we upload the NVS tables */ + nvs_bytes_written = 0; + while (nvs_bytes_written < nvs_len) { + val = (nvs_ptr[0] | (nvs_ptr[1] << 8) + | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24)); + + val = cpu_to_le32(val); + + wl1251_debug(DEBUG_BOOT, + "nvs write table 0x%x: 0x%x", + nvs_start, val); + wl1251_mem_write32(wl, nvs_start, val); + + nvs_ptr += 4; + nvs_bytes_written += 4; + nvs_start += 4; + } + + return 0; +} + +int wl1251_boot(struct wl1251 *wl) +{ + int ret = 0, minor_minor_e2_ver; + u32 tmp, boot_data; + + /* halt embedded ARM CPU while loading firmware */ + wl1251_reg_write32(wl, ACX_REG_ECPU_CONTROL, ECPU_CONTROL_HALT); + + ret = wl1251_boot_soft_reset(wl); + if (ret < 0) + goto out; + + /* 2. start processing NVS file */ + ret = wl1251_boot_upload_nvs(wl); + if (ret < 0) + goto out; + + /* write firmware's last address (ie. it's length) to + * ACX_EEPROMLESS_IND_REG */ + wl1251_reg_write32(wl, ACX_EEPROMLESS_IND_REG, wl->fw_len); + + /* 6. read the EEPROM parameters */ + tmp = wl1251_reg_read32(wl, SCR_PAD2); + + /* 7. read bootdata */ + wl->boot_attr.radio_type = (tmp & 0x0000FF00) >> 8; + wl->boot_attr.major = (tmp & 0x00FF0000) >> 16; + tmp = wl1251_reg_read32(wl, SCR_PAD3); + + /* 8. check bootdata and call restart sequence */ + wl->boot_attr.minor = (tmp & 0x00FF0000) >> 16; + minor_minor_e2_ver = (tmp & 0xFF000000) >> 24; + + wl1251_debug(DEBUG_BOOT, "radioType 0x%x majorE2Ver 0x%x " + "minorE2Ver 0x%x minor_minor_e2_ver 0x%x", + wl->boot_attr.radio_type, wl->boot_attr.major, + wl->boot_attr.minor, minor_minor_e2_ver); + + ret = wl1251_boot_init_seq(wl); + if (ret < 0) + goto out; + + /* 9. NVS processing done */ + boot_data = wl1251_reg_read32(wl, ACX_REG_ECPU_CONTROL); + + wl1251_debug(DEBUG_BOOT, "halt boot_data 0x%x", boot_data); + + /* 10. check that ECPU_CONTROL_HALT bits are set in + * pWhalBus->uBootData and start uploading firmware + */ + if ((boot_data & ECPU_CONTROL_HALT) == 0) { + wl1251_error("boot failed, ECPU_CONTROL_HALT not set"); + ret = -EIO; + goto out; + } + + ret = wl1251_boot_upload_firmware(wl); + if (ret < 0) + goto out; + + /* 10.5 start firmware */ + ret = wl1251_boot_run_firmware(wl); + if (ret < 0) + goto out; + +out: + return ret; +} diff --git a/drivers/net/wireless/wl12xx/boot.h b/drivers/net/wireless/wl12xx/wl1251_boot.h index 4fa73132baae..90063697e8f2 100644 --- a/drivers/net/wireless/wl12xx/boot.h +++ b/drivers/net/wireless/wl12xx/wl1251_boot.h @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (C) 2008 Nokia Corporation * @@ -24,12 +24,13 @@ #ifndef __BOOT_H__ #define __BOOT_H__ -#include "wl12xx.h" +#include "wl1251.h" -int wl12xx_boot_soft_reset(struct wl12xx *wl); -int wl12xx_boot_init_seq(struct wl12xx *wl); -int wl12xx_boot_run_firmware(struct wl12xx *wl); -void wl12xx_boot_target_enable_interrupts(struct wl12xx *wl); +int wl1251_boot_soft_reset(struct wl1251 *wl); +int wl1251_boot_init_seq(struct wl1251 *wl); +int wl1251_boot_run_firmware(struct wl1251 *wl); +void wl1251_boot_target_enable_interrupts(struct wl1251 *wl); +int wl1251_boot(struct wl1251 *wl); /* number of times we try to read the INIT interrupt */ #define INIT_LOOP 20000 diff --git a/drivers/net/wireless/wl12xx/wl1251_cmd.c b/drivers/net/wireless/wl12xx/wl1251_cmd.c new file mode 100644 index 000000000000..770f260726bd --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_cmd.c @@ -0,0 +1,412 @@ +#include "wl1251_cmd.h" + +#include <linux/module.h> +#include <linux/crc7.h> + +#include "wl1251.h" +#include "wl1251_reg.h" +#include "wl1251_io.h" +#include "wl1251_ps.h" +#include "wl1251_acx.h" + +/** + * send command to firmware + * + * @wl: wl struct + * @id: command id + * @buf: buffer containing the command, must work with dma + * @len: length of the buffer + */ +int wl1251_cmd_send(struct wl1251 *wl, u16 id, void *buf, size_t len) +{ + struct wl1251_cmd_header *cmd; + unsigned long timeout; + u32 intr; + int ret = 0; + + cmd = buf; + cmd->id = id; + cmd->status = 0; + + WARN_ON(len % 4 != 0); + + wl1251_mem_write(wl, wl->cmd_box_addr, buf, len); + + wl1251_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD); + + timeout = jiffies + msecs_to_jiffies(WL1251_COMMAND_TIMEOUT); + + intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); + while (!(intr & WL1251_ACX_INTR_CMD_COMPLETE)) { + if (time_after(jiffies, timeout)) { + wl1251_error("command complete timeout"); + ret = -ETIMEDOUT; + goto out; + } + + msleep(1); + + intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); + } + + wl1251_reg_write32(wl, ACX_REG_INTERRUPT_ACK, + WL1251_ACX_INTR_CMD_COMPLETE); + +out: + return ret; +} + +/** + * send test command to firmware + * + * @wl: wl struct + * @buf: buffer containing the command, with all headers, must work with dma + * @len: length of the buffer + * @answer: is answer needed + */ +int wl1251_cmd_test(struct wl1251 *wl, void *buf, size_t buf_len, u8 answer) +{ + int ret; + + wl1251_debug(DEBUG_CMD, "cmd test"); + + ret = wl1251_cmd_send(wl, CMD_TEST, buf, buf_len); + + if (ret < 0) { + wl1251_warning("TEST command failed"); + return ret; + } + + if (answer) { + struct wl1251_command *cmd_answer; + + /* + * The test command got in, we can read the answer. + * The answer would be a wl1251_command, where the + * parameter array contains the actual answer. + */ + wl1251_mem_read(wl, wl->cmd_box_addr, buf, buf_len); + + cmd_answer = buf; + + if (cmd_answer->header.status != CMD_STATUS_SUCCESS) + wl1251_error("TEST command answer error: %d", + cmd_answer->header.status); + } + + return 0; +} + +/** + * read acx from firmware + * + * @wl: wl struct + * @id: acx id + * @buf: buffer for the response, including all headers, must work with dma + * @len: lenght of buf + */ +int wl1251_cmd_interrogate(struct wl1251 *wl, u16 id, void *buf, size_t len) +{ + struct acx_header *acx = buf; + int ret; + + wl1251_debug(DEBUG_CMD, "cmd interrogate"); + + acx->id = id; + + /* payload length, does not include any headers */ + acx->len = len - sizeof(*acx); + + ret = wl1251_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx)); + if (ret < 0) { + wl1251_error("INTERROGATE command failed"); + goto out; + } + + /* the interrogate command got in, we can read the answer */ + wl1251_mem_read(wl, wl->cmd_box_addr, buf, len); + + acx = buf; + if (acx->cmd.status != CMD_STATUS_SUCCESS) + wl1251_error("INTERROGATE command error: %d", + acx->cmd.status); + +out: + return ret; +} + +/** + * write acx value to firmware + * + * @wl: wl struct + * @id: acx id + * @buf: buffer containing acx, including all headers, must work with dma + * @len: length of buf + */ +int wl1251_cmd_configure(struct wl1251 *wl, u16 id, void *buf, size_t len) +{ + struct acx_header *acx = buf; + int ret; + + wl1251_debug(DEBUG_CMD, "cmd configure"); + + acx->id = id; + + /* payload length, does not include any headers */ + acx->len = len - sizeof(*acx); + + ret = wl1251_cmd_send(wl, CMD_CONFIGURE, acx, len); + if (ret < 0) { + wl1251_warning("CONFIGURE command NOK"); + return ret; + } + + return 0; +} + +int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity, + void *bitmap, u16 bitmap_len, u8 bitmap_control) +{ + struct wl1251_cmd_vbm_update *vbm; + int ret; + + wl1251_debug(DEBUG_CMD, "cmd vbm"); + + vbm = kzalloc(sizeof(*vbm), GFP_KERNEL); + if (!vbm) { + ret = -ENOMEM; + goto out; + } + + /* Count and period will be filled by the target */ + vbm->tim.bitmap_ctrl = bitmap_control; + if (bitmap_len > PARTIAL_VBM_MAX) { + wl1251_warning("cmd vbm len is %d B, truncating to %d", + bitmap_len, PARTIAL_VBM_MAX); + bitmap_len = PARTIAL_VBM_MAX; + } + memcpy(vbm->tim.pvb_field, bitmap, bitmap_len); + vbm->tim.identity = identity; + vbm->tim.length = bitmap_len + 3; + + vbm->len = cpu_to_le16(bitmap_len + 5); + + ret = wl1251_cmd_send(wl, CMD_VBM, vbm, sizeof(*vbm)); + if (ret < 0) { + wl1251_error("VBM command failed"); + goto out; + } + +out: + kfree(vbm); + return 0; +} + +int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable) +{ + struct cmd_enabledisable_path *cmd; + int ret; + u16 cmd_rx, cmd_tx; + + wl1251_debug(DEBUG_CMD, "cmd data path"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->channel = channel; + + if (enable) { + cmd_rx = CMD_ENABLE_RX; + cmd_tx = CMD_ENABLE_TX; + } else { + cmd_rx = CMD_DISABLE_RX; + cmd_tx = CMD_DISABLE_TX; + } + + ret = wl1251_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd)); + if (ret < 0) { + wl1251_error("rx %s cmd for channel %d failed", + enable ? "start" : "stop", channel); + goto out; + } + + wl1251_debug(DEBUG_BOOT, "rx %s cmd channel %d", + enable ? "start" : "stop", channel); + + ret = wl1251_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd)); + if (ret < 0) { + wl1251_error("tx %s cmd for channel %d failed", + enable ? "start" : "stop", channel); + return ret; + } + + wl1251_debug(DEBUG_BOOT, "tx %s cmd channel %d", + enable ? "start" : "stop", channel); + +out: + kfree(cmd); + return ret; +} + +int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel, + u16 beacon_interval, u8 dtim_interval) +{ + struct cmd_join *join; + int ret, i; + u8 *bssid; + + join = kzalloc(sizeof(*join), GFP_KERNEL); + if (!join) { + ret = -ENOMEM; + goto out; + } + + wl1251_debug(DEBUG_CMD, "cmd join%s ch %d %d/%d", + bss_type == BSS_TYPE_IBSS ? " ibss" : "", + channel, beacon_interval, dtim_interval); + + /* Reverse order BSSID */ + bssid = (u8 *) &join->bssid_lsb; + for (i = 0; i < ETH_ALEN; i++) + bssid[i] = wl->bssid[ETH_ALEN - i - 1]; + + join->rx_config_options = wl->rx_config; + join->rx_filter_options = wl->rx_filter; + + /* + * FIXME: disable temporarily all filters because after commit + * 9cef8737 "mac80211: fix managed mode BSSID handling" broke + * association. The filter logic needs to be implemented properly + * and once that is done, this hack can be removed. + */ + join->rx_config_options = 0; + join->rx_filter_options = WL1251_DEFAULT_RX_FILTER; + + join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS | + RATE_MASK_5_5MBPS | RATE_MASK_11MBPS; + + join->beacon_interval = beacon_interval; + join->dtim_interval = dtim_interval; + join->bss_type = bss_type; + join->channel = channel; + join->ctrl = JOIN_CMD_CTRL_TX_FLUSH; + + ret = wl1251_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join)); + if (ret < 0) { + wl1251_error("failed to initiate cmd join"); + goto out; + } + +out: + kfree(join); + return ret; +} + +int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode) +{ + struct wl1251_cmd_ps_params *ps_params = NULL; + int ret = 0; + + wl1251_debug(DEBUG_CMD, "cmd set ps mode"); + + ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); + if (!ps_params) { + ret = -ENOMEM; + goto out; + } + + ps_params->ps_mode = ps_mode; + ps_params->send_null_data = 1; + ps_params->retries = 5; + ps_params->hang_over_period = 128; + ps_params->null_data_rate = 1; /* 1 Mbps */ + + ret = wl1251_cmd_send(wl, CMD_SET_PS_MODE, ps_params, + sizeof(*ps_params)); + if (ret < 0) { + wl1251_error("cmd set_ps_mode failed"); + goto out; + } + +out: + kfree(ps_params); + return ret; +} + +int wl1251_cmd_read_memory(struct wl1251 *wl, u32 addr, void *answer, + size_t len) +{ + struct cmd_read_write_memory *cmd; + int ret = 0; + + wl1251_debug(DEBUG_CMD, "cmd read memory"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + WARN_ON(len > MAX_READ_SIZE); + len = min_t(size_t, len, MAX_READ_SIZE); + + cmd->addr = addr; + cmd->size = len; + + ret = wl1251_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd)); + if (ret < 0) { + wl1251_error("read memory command failed: %d", ret); + goto out; + } + + /* the read command got in, we can now read the answer */ + wl1251_mem_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd)); + + if (cmd->header.status != CMD_STATUS_SUCCESS) + wl1251_error("error in read command result: %d", + cmd->header.status); + + memcpy(answer, cmd->value, len); + +out: + kfree(cmd); + return ret; +} + +int wl1251_cmd_template_set(struct wl1251 *wl, u16 cmd_id, + void *buf, size_t buf_len) +{ + struct wl1251_cmd_packet_template *cmd; + size_t cmd_len; + int ret = 0; + + wl1251_debug(DEBUG_CMD, "cmd template %d", cmd_id); + + WARN_ON(buf_len > WL1251_MAX_TEMPLATE_SIZE); + buf_len = min_t(size_t, buf_len, WL1251_MAX_TEMPLATE_SIZE); + cmd_len = ALIGN(sizeof(*cmd) + buf_len, 4); + + cmd = kzalloc(cmd_len, GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->size = cpu_to_le16(buf_len); + + if (buf) + memcpy(cmd->data, buf, buf_len); + + ret = wl1251_cmd_send(wl, cmd_id, cmd, cmd_len); + if (ret < 0) { + wl1251_warning("cmd set_template failed: %d", ret); + goto out; + } + +out: + kfree(cmd); + return ret; +} diff --git a/drivers/net/wireless/wl12xx/cmd.h b/drivers/net/wireless/wl12xx/wl1251_cmd.h index aa307dcd081f..dff798ad0ef5 100644 --- a/drivers/net/wireless/wl12xx/cmd.h +++ b/drivers/net/wireless/wl12xx/wl1251_cmd.h @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation @@ -22,37 +22,32 @@ * */ -#ifndef __WL12XX_CMD_H__ -#define __WL12XX_CMD_H__ +#ifndef __WL1251_CMD_H__ +#define __WL1251_CMD_H__ -#include "wl12xx.h" +#include "wl1251.h" -int wl12xx_cmd_send(struct wl12xx *wl, u16 type, void *buf, size_t buf_len); -int wl12xx_cmd_test(struct wl12xx *wl, void *buf, size_t buf_len, u8 answer); -int wl12xx_cmd_interrogate(struct wl12xx *wl, u16 ie_id, u16 ie_len, - void *answer); -int wl12xx_cmd_configure(struct wl12xx *wl, void *ie, int ie_len); -int wl12xx_cmd_vbm(struct wl12xx *wl, u8 identity, +struct acx_header; + +int wl1251_cmd_send(struct wl1251 *wl, u16 type, void *buf, size_t buf_len); +int wl1251_cmd_test(struct wl1251 *wl, void *buf, size_t buf_len, u8 answer); +int wl1251_cmd_interrogate(struct wl1251 *wl, u16 id, void *buf, size_t len); +int wl1251_cmd_configure(struct wl1251 *wl, u16 id, void *buf, size_t len); +int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity, void *bitmap, u16 bitmap_len, u8 bitmap_control); -int wl12xx_cmd_data_path(struct wl12xx *wl, u8 channel, u8 enable); -int wl12xx_cmd_join(struct wl12xx *wl, u8 bss_type, u8 dtim_interval, - u16 beacon_interval, u8 wait); -int wl12xx_cmd_ps_mode(struct wl12xx *wl, u8 ps_mode); -int wl12xx_cmd_read_memory(struct wl12xx *wl, u32 addr, u32 len, void *answer); -int wl12xx_cmd_template_set(struct wl12xx *wl, u16 cmd_id, +int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable); +int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel, + u16 beacon_interval, u8 dtim_interval); +int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode); +int wl1251_cmd_read_memory(struct wl1251 *wl, u32 addr, void *answer, + size_t len); +int wl1251_cmd_template_set(struct wl1251 *wl, u16 cmd_id, void *buf, size_t buf_len); /* unit ms */ -#define WL12XX_COMMAND_TIMEOUT 2000 - -#define WL12XX_MAX_TEMPLATE_SIZE 300 +#define WL1251_COMMAND_TIMEOUT 2000 -struct wl12xx_cmd_packet_template { - __le16 size; - u8 template[WL12XX_MAX_TEMPLATE_SIZE]; -} __attribute__ ((packed)); - -enum wl12xx_commands { +enum wl1251_commands { CMD_RESET = 0, CMD_INTERROGATE = 1, /*use this to read information elements*/ CMD_CONFIGURE = 2, /*use this to write information elements*/ @@ -100,9 +95,15 @@ enum wl12xx_commands { #define MAX_CMD_PARAMS 572 -struct wl12xx_command { +struct wl1251_cmd_header { u16 id; u16 status; + /* payload */ + u8 data[0]; +} __attribute__ ((packed)); + +struct wl1251_command { + struct wl1251_cmd_header header; u8 parameters[MAX_CMD_PARAMS]; }; @@ -144,6 +145,8 @@ enum { #define MAX_READ_SIZE 256 struct cmd_read_write_memory { + struct wl1251_cmd_header header; + /* The address of the memory to read from or write to.*/ u32 addr; @@ -211,6 +214,8 @@ struct basic_scan_channel_parameters { #define SCAN_MAX_NUM_OF_CHANNELS 16 struct cmd_scan { + struct wl1251_cmd_header header; + struct basic_scan_parameters params; struct basic_scan_channel_parameters channels[SCAN_MAX_NUM_OF_CHANNELS]; } __attribute__ ((packed)); @@ -227,6 +232,8 @@ enum { struct cmd_join { + struct wl1251_cmd_header header; + u32 bssid_lsb; u16 bssid_msb; u16 beacon_interval; /* in TBTTs */ @@ -261,5 +268,140 @@ struct cmd_join { u8 reserved; } __attribute__ ((packed)); +struct cmd_enabledisable_path { + struct wl1251_cmd_header header; + + u8 channel; + u8 padding[3]; +} __attribute__ ((packed)); + +#define WL1251_MAX_TEMPLATE_SIZE 300 + +struct wl1251_cmd_packet_template { + struct wl1251_cmd_header header; + + __le16 size; + u8 data[0]; +} __attribute__ ((packed)); + +#define TIM_ELE_ID 5 +#define PARTIAL_VBM_MAX 251 + +struct wl1251_tim { + u8 identity; + u8 length; + u8 dtim_count; + u8 dtim_period; + u8 bitmap_ctrl; + u8 pvb_field[PARTIAL_VBM_MAX]; /* Partial Virtual Bitmap */ +} __attribute__ ((packed)); + +/* Virtual Bit Map update */ +struct wl1251_cmd_vbm_update { + struct wl1251_cmd_header header; + __le16 len; + u8 padding[2]; + struct wl1251_tim tim; +} __attribute__ ((packed)); + +enum wl1251_cmd_ps_mode { + STATION_ACTIVE_MODE, + STATION_POWER_SAVE_MODE +}; + +struct wl1251_cmd_ps_params { + struct wl1251_cmd_header header; + + u8 ps_mode; /* STATION_* */ + u8 send_null_data; /* Do we have to send NULL data packet ? */ + u8 retries; /* Number of retires for the initial NULL data packet */ + + /* + * TUs during which the target stays awake after switching + * to power save mode. + */ + u8 hang_over_period; + u16 null_data_rate; + u8 pad[2]; +} __attribute__ ((packed)); + +struct wl1251_cmd_trigger_scan_to { + struct wl1251_cmd_header header; + + u32 timeout; +}; + +/* HW encryption keys */ +#define NUM_ACCESS_CATEGORIES_COPY 4 +#define MAX_KEY_SIZE 32 + +/* When set, disable HW encryption */ +#define DF_ENCRYPTION_DISABLE 0x01 +/* When set, disable HW decryption */ +#define DF_SNIFF_MODE_ENABLE 0x80 + +enum wl1251_cmd_key_action { + KEY_ADD_OR_REPLACE = 1, + KEY_REMOVE = 2, + KEY_SET_ID = 3, + MAX_KEY_ACTION = 0xffff, +}; + +enum wl1251_cmd_key_type { + KEY_WEP_DEFAULT = 0, + KEY_WEP_ADDR = 1, + KEY_AES_GROUP = 4, + KEY_AES_PAIRWISE = 5, + KEY_WEP_GROUP = 6, + KEY_TKIP_MIC_GROUP = 10, + KEY_TKIP_MIC_PAIRWISE = 11, +}; + +/* + * + * key_type_e key size key format + * ---------- --------- ---------- + * 0x00 5, 13, 29 Key data + * 0x01 5, 13, 29 Key data + * 0x04 16 16 bytes of key data + * 0x05 16 16 bytes of key data + * 0x0a 32 16 bytes of TKIP key data + * 8 bytes of RX MIC key data + * 8 bytes of TX MIC key data + * 0x0b 32 16 bytes of TKIP key data + * 8 bytes of RX MIC key data + * 8 bytes of TX MIC key data + * + */ + +struct wl1251_cmd_set_keys { + struct wl1251_cmd_header header; + + /* Ignored for default WEP key */ + u8 addr[ETH_ALEN]; + + /* key_action_e */ + u16 key_action; + + u16 reserved_1; + + /* key size in bytes */ + u8 key_size; + + /* key_type_e */ + u8 key_type; + u8 ssid_profile; + + /* + * TKIP, AES: frame's key id field. + * For WEP default key: key id; + */ + u8 id; + u8 reserved_2[6]; + u8 key[MAX_KEY_SIZE]; + u16 ac_seq_num16[NUM_ACCESS_CATEGORIES_COPY]; + u32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY]; +} __attribute__ ((packed)); + -#endif /* __WL12XX_CMD_H__ */ +#endif /* __WL1251_CMD_H__ */ diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/wl1251_debugfs.c index cdb368ce4dae..a00723059f83 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/wl1251_debugfs.c @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (C) 2009 Nokia Corporation * @@ -21,15 +21,16 @@ * */ -#include "debugfs.h" +#include "wl1251_debugfs.h" #include <linux/skbuff.h> -#include "wl12xx.h" -#include "acx.h" +#include "wl1251.h" +#include "wl1251_acx.h" +#include "wl1251_ps.h" /* ms */ -#define WL12XX_DEBUGFS_STATS_LIFETIME 1000 +#define WL1251_DEBUGFS_STATS_LIFETIME 1000 /* debugfs macros idea from mac80211 */ @@ -37,7 +38,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ size_t count, loff_t *ppos) \ { \ - struct wl12xx *wl = file->private_data; \ + struct wl1251 *wl = file->private_data; \ char buf[buflen]; \ int res; \ \ @@ -47,7 +48,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = wl12xx_open_file_generic, \ + .open = wl1251_open_file_generic, \ }; #define DEBUGFS_ADD(name, parent) \ @@ -70,11 +71,11 @@ static ssize_t sub## _ ##name## _read(struct file *file, \ char __user *userbuf, \ size_t count, loff_t *ppos) \ { \ - struct wl12xx *wl = file->private_data; \ + struct wl1251 *wl = file->private_data; \ char buf[buflen]; \ int res; \ \ - wl12xx_debugfs_update_stats(wl); \ + wl1251_debugfs_update_stats(wl); \ \ res = scnprintf(buf, buflen, fmt "\n", \ wl->stats.fw_stats->sub.name); \ @@ -83,7 +84,7 @@ static ssize_t sub## _ ##name## _read(struct file *file, \ \ static const struct file_operations sub## _ ##name## _ops = { \ .read = sub## _ ##name## _read, \ - .open = wl12xx_open_file_generic, \ + .open = wl1251_open_file_generic, \ }; #define DEBUGFS_FWSTATS_ADD(sub, name) \ @@ -92,21 +93,30 @@ static const struct file_operations sub## _ ##name## _ops = { \ #define DEBUGFS_FWSTATS_DEL(sub, name) \ DEBUGFS_DEL(sub## _ ##name) -static void wl12xx_debugfs_update_stats(struct wl12xx *wl) +static void wl1251_debugfs_update_stats(struct wl1251 *wl) { + int ret; + mutex_lock(&wl->mutex); - if (wl->state == WL12XX_STATE_ON && + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + if (wl->state == WL1251_STATE_ON && time_after(jiffies, wl->stats.fw_stats_update + - msecs_to_jiffies(WL12XX_DEBUGFS_STATS_LIFETIME))) { - wl12xx_acx_statistics(wl, wl->stats.fw_stats); + msecs_to_jiffies(WL1251_DEBUGFS_STATS_LIFETIME))) { + wl1251_acx_statistics(wl, wl->stats.fw_stats); wl->stats.fw_stats_update = jiffies; } + wl1251_ps_elp_sleep(wl); + +out: mutex_unlock(&wl->mutex); } -static int wl12xx_open_file_generic(struct inode *inode, struct file *file) +static int wl1251_open_file_generic(struct inode *inode, struct file *file) { file->private_data = inode->i_private; return 0; @@ -211,7 +221,7 @@ DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u", static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { - struct wl12xx *wl = file->private_data; + struct wl1251 *wl = file->private_data; u32 queue_len; char buf[20]; int res; @@ -224,10 +234,10 @@ static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, static const struct file_operations tx_queue_len_ops = { .read = tx_queue_len_read, - .open = wl12xx_open_file_generic, + .open = wl1251_open_file_generic, }; -static void wl12xx_debugfs_delete_files(struct wl12xx *wl) +static void wl1251_debugfs_delete_files(struct wl1251 *wl) { DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow); @@ -325,7 +335,7 @@ static void wl12xx_debugfs_delete_files(struct wl12xx *wl) DEBUGFS_DEL(excessive_retries); } -static int wl12xx_debugfs_add_files(struct wl12xx *wl) +static int wl1251_debugfs_add_files(struct wl1251 *wl) { int ret = 0; @@ -426,19 +436,19 @@ static int wl12xx_debugfs_add_files(struct wl12xx *wl) out: if (ret < 0) - wl12xx_debugfs_delete_files(wl); + wl1251_debugfs_delete_files(wl); return ret; } -void wl12xx_debugfs_reset(struct wl12xx *wl) +void wl1251_debugfs_reset(struct wl1251 *wl) { memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats)); wl->stats.retry_count = 0; wl->stats.excessive_retries = 0; } -int wl12xx_debugfs_init(struct wl12xx *wl) +int wl1251_debugfs_init(struct wl1251 *wl) { int ret; @@ -469,7 +479,7 @@ int wl12xx_debugfs_init(struct wl12xx *wl) wl->stats.fw_stats_update = jiffies; - ret = wl12xx_debugfs_add_files(wl); + ret = wl1251_debugfs_add_files(wl); if (ret < 0) goto err_file; @@ -492,9 +502,9 @@ err: return ret; } -void wl12xx_debugfs_exit(struct wl12xx *wl) +void wl1251_debugfs_exit(struct wl1251 *wl) { - wl12xx_debugfs_delete_files(wl); + wl1251_debugfs_delete_files(wl); kfree(wl->stats.fw_stats); wl->stats.fw_stats = NULL; diff --git a/drivers/net/wireless/wl12xx/debugfs.h b/drivers/net/wireless/wl12xx/wl1251_debugfs.h index 562cdcbcc874..6dc3d080853c 100644 --- a/drivers/net/wireless/wl12xx/debugfs.h +++ b/drivers/net/wireless/wl12xx/wl1251_debugfs.h @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (C) 2009 Nokia Corporation * @@ -21,13 +21,13 @@ * */ -#ifndef WL12XX_DEBUGFS_H -#define WL12XX_DEBUGFS_H +#ifndef WL1251_DEBUGFS_H +#define WL1251_DEBUGFS_H -#include "wl12xx.h" +#include "wl1251.h" -int wl12xx_debugfs_init(struct wl12xx *wl); -void wl12xx_debugfs_exit(struct wl12xx *wl); -void wl12xx_debugfs_reset(struct wl12xx *wl); +int wl1251_debugfs_init(struct wl1251 *wl); +void wl1251_debugfs_exit(struct wl1251 *wl); +void wl1251_debugfs_reset(struct wl1251 *wl); -#endif /* WL12XX_DEBUGFS_H */ +#endif /* WL1251_DEBUGFS_H */ diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/wl1251_event.c index 99529ca89a7e..00076c4a8a21 100644 --- a/drivers/net/wireless/wl12xx/event.c +++ b/drivers/net/wireless/wl12xx/wl1251_event.c @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation @@ -22,16 +22,16 @@ * */ -#include "wl12xx.h" -#include "reg.h" -#include "spi.h" -#include "event.h" -#include "ps.h" +#include "wl1251.h" +#include "wl1251_reg.h" +#include "wl1251_io.h" +#include "wl1251_event.h" +#include "wl1251_ps.h" -static int wl12xx_event_scan_complete(struct wl12xx *wl, +static int wl1251_event_scan_complete(struct wl1251 *wl, struct event_mailbox *mbox) { - wl12xx_debug(DEBUG_EVENT, "status: 0x%x, channels: %d", + wl1251_debug(DEBUG_EVENT, "status: 0x%x, channels: %d", mbox->scheduled_scan_status, mbox->scheduled_scan_channels); @@ -39,40 +39,41 @@ static int wl12xx_event_scan_complete(struct wl12xx *wl, mutex_unlock(&wl->mutex); ieee80211_scan_completed(wl->hw, false); mutex_lock(&wl->mutex); + wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan completed"); wl->scanning = false; } return 0; } -static void wl12xx_event_mbox_dump(struct event_mailbox *mbox) +static void wl1251_event_mbox_dump(struct event_mailbox *mbox) { - wl12xx_debug(DEBUG_EVENT, "MBOX DUMP:"); - wl12xx_debug(DEBUG_EVENT, "\tvector: 0x%x", mbox->events_vector); - wl12xx_debug(DEBUG_EVENT, "\tmask: 0x%x", mbox->events_mask); + wl1251_debug(DEBUG_EVENT, "MBOX DUMP:"); + wl1251_debug(DEBUG_EVENT, "\tvector: 0x%x", mbox->events_vector); + wl1251_debug(DEBUG_EVENT, "\tmask: 0x%x", mbox->events_mask); } -static int wl12xx_event_process(struct wl12xx *wl, struct event_mailbox *mbox) +static int wl1251_event_process(struct wl1251 *wl, struct event_mailbox *mbox) { int ret; u32 vector; - wl12xx_event_mbox_dump(mbox); + wl1251_event_mbox_dump(mbox); vector = mbox->events_vector & ~(mbox->events_mask); - wl12xx_debug(DEBUG_EVENT, "vector: 0x%x", vector); + wl1251_debug(DEBUG_EVENT, "vector: 0x%x", vector); if (vector & SCAN_COMPLETE_EVENT_ID) { - ret = wl12xx_event_scan_complete(wl, mbox); + ret = wl1251_event_scan_complete(wl, mbox); if (ret < 0) return ret; } if (vector & BSS_LOSE_EVENT_ID) { - wl12xx_debug(DEBUG_EVENT, "BSS_LOSE_EVENT"); + wl1251_debug(DEBUG_EVENT, "BSS_LOSE_EVENT"); if (wl->psm_requested && wl->psm) { - ret = wl12xx_ps_set_mode(wl, STATION_ACTIVE_MODE); + ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); if (ret < 0) return ret; } @@ -81,47 +82,47 @@ static int wl12xx_event_process(struct wl12xx *wl, struct event_mailbox *mbox) return 0; } -int wl12xx_event_unmask(struct wl12xx *wl) +int wl1251_event_unmask(struct wl1251 *wl) { int ret; - ret = wl12xx_acx_event_mbox_mask(wl, ~(wl->event_mask)); + ret = wl1251_acx_event_mbox_mask(wl, ~(wl->event_mask)); if (ret < 0) return ret; return 0; } -void wl12xx_event_mbox_config(struct wl12xx *wl) +void wl1251_event_mbox_config(struct wl1251 *wl) { - wl->mbox_ptr[0] = wl12xx_reg_read32(wl, REG_EVENT_MAILBOX_PTR); + wl->mbox_ptr[0] = wl1251_reg_read32(wl, REG_EVENT_MAILBOX_PTR); wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox); - wl12xx_debug(DEBUG_EVENT, "MBOX ptrs: 0x%x 0x%x", + wl1251_debug(DEBUG_EVENT, "MBOX ptrs: 0x%x 0x%x", wl->mbox_ptr[0], wl->mbox_ptr[1]); } -int wl12xx_event_handle(struct wl12xx *wl, u8 mbox_num) +int wl1251_event_handle(struct wl1251 *wl, u8 mbox_num) { struct event_mailbox mbox; int ret; - wl12xx_debug(DEBUG_EVENT, "EVENT on mbox %d", mbox_num); + wl1251_debug(DEBUG_EVENT, "EVENT on mbox %d", mbox_num); if (mbox_num > 1) return -EINVAL; /* first we read the mbox descriptor */ - wl12xx_spi_mem_read(wl, wl->mbox_ptr[mbox_num], &mbox, + wl1251_mem_read(wl, wl->mbox_ptr[mbox_num], &mbox, sizeof(struct event_mailbox)); /* process the descriptor */ - ret = wl12xx_event_process(wl, &mbox); + ret = wl1251_event_process(wl, &mbox); if (ret < 0) return ret; /* then we let the firmware know it can go on...*/ - wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK); + wl1251_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK); return 0; } diff --git a/drivers/net/wireless/wl12xx/event.h b/drivers/net/wireless/wl12xx/wl1251_event.h index 1f4c2f7438a7..be0ac54d6246 100644 --- a/drivers/net/wireless/wl12xx/event.h +++ b/drivers/net/wireless/wl12xx/wl1251_event.h @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation @@ -22,8 +22,8 @@ * */ -#ifndef __WL12XX_EVENT_H__ -#define __WL12XX_EVENT_H__ +#ifndef __WL1251_EVENT_H__ +#define __WL1251_EVENT_H__ /* * Mbox events @@ -114,8 +114,8 @@ struct event_mailbox { u8 padding[19]; } __attribute__ ((packed)); -int wl12xx_event_unmask(struct wl12xx *wl); -void wl12xx_event_mbox_config(struct wl12xx *wl); -int wl12xx_event_handle(struct wl12xx *wl, u8 mbox); +int wl1251_event_unmask(struct wl1251 *wl); +void wl1251_event_mbox_config(struct wl1251 *wl); +int wl1251_event_handle(struct wl1251 *wl, u8 mbox); #endif diff --git a/drivers/net/wireless/wl12xx/wl1251_init.c b/drivers/net/wireless/wl12xx/wl1251_init.c new file mode 100644 index 000000000000..b2ee4f468fc4 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_init.c @@ -0,0 +1,413 @@ +/* + * This file is part of wl1251 + * + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Kalle Valo <kalle.valo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> + +#include "wl1251_init.h" +#include "wl12xx_80211.h" +#include "wl1251_acx.h" +#include "wl1251_cmd.h" +#include "wl1251_reg.h" + +int wl1251_hw_init_hwenc_config(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_feature_cfg(wl); + if (ret < 0) { + wl1251_warning("couldn't set feature config"); + return ret; + } + + ret = wl1251_acx_default_key(wl, wl->default_key); + if (ret < 0) { + wl1251_warning("couldn't set default key"); + return ret; + } + + return 0; +} + +int wl1251_hw_init_templates_config(struct wl1251 *wl) +{ + int ret; + u8 partial_vbm[PARTIAL_VBM_MAX]; + + /* send empty templates for fw memory reservation */ + ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, NULL, + sizeof(struct wl12xx_probe_req_template)); + if (ret < 0) + return ret; + + ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, NULL, + sizeof(struct wl12xx_null_data_template)); + if (ret < 0) + return ret; + + ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, NULL, + sizeof(struct wl12xx_ps_poll_template)); + if (ret < 0) + return ret; + + ret = wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, NULL, + sizeof + (struct wl12xx_qos_null_data_template)); + if (ret < 0) + return ret; + + ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, NULL, + sizeof + (struct wl12xx_probe_resp_template)); + if (ret < 0) + return ret; + + ret = wl1251_cmd_template_set(wl, CMD_BEACON, NULL, + sizeof + (struct wl12xx_beacon_template)); + if (ret < 0) + return ret; + + /* tim templates, first reserve space then allocate an empty one */ + memset(partial_vbm, 0, PARTIAL_VBM_MAX); + ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, PARTIAL_VBM_MAX, 0); + if (ret < 0) + return ret; + + ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, 1, 0); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_rx_config(struct wl1251 *wl, u32 config, u32 filter) +{ + int ret; + + ret = wl1251_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF); + if (ret < 0) + return ret; + + ret = wl1251_acx_rx_config(wl, config, filter); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_phy_config(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_pd_threshold(wl); + if (ret < 0) + return ret; + + ret = wl1251_acx_slot(wl, DEFAULT_SLOT_TIME); + if (ret < 0) + return ret; + + ret = wl1251_acx_group_address_tbl(wl); + if (ret < 0) + return ret; + + ret = wl1251_acx_service_period_timeout(wl); + if (ret < 0) + return ret; + + ret = wl1251_acx_rts_threshold(wl, RTS_THRESHOLD_DEF); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_beacon_filter(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_beacon_filter_opt(wl); + if (ret < 0) + return ret; + + ret = wl1251_acx_beacon_filter_table(wl); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_pta(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_sg_enable(wl); + if (ret < 0) + return ret; + + ret = wl1251_acx_sg_cfg(wl); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_energy_detection(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_cca_threshold(wl); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_beacon_broadcast(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_bcn_dtim_options(wl); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_power_auth(struct wl1251 *wl) +{ + return wl1251_acx_sleep_auth(wl, WL1251_PSM_CAM); +} + +int wl1251_hw_init_mem_config(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_mem_cfg(wl); + if (ret < 0) + return ret; + + wl->target_mem_map = kzalloc(sizeof(struct wl1251_acx_mem_map), + GFP_KERNEL); + if (!wl->target_mem_map) { + wl1251_error("couldn't allocate target memory map"); + return -ENOMEM; + } + + /* we now ask for the firmware built memory map */ + ret = wl1251_acx_mem_map(wl, wl->target_mem_map, + sizeof(struct wl1251_acx_mem_map)); + if (ret < 0) { + wl1251_error("couldn't retrieve firmware memory map"); + kfree(wl->target_mem_map); + wl->target_mem_map = NULL; + return ret; + } + + return 0; +} + +static int wl1251_hw_init_txq_fill(u8 qid, + struct acx_tx_queue_qos_config *config, + u32 num_blocks) +{ + config->qid = qid; + + switch (qid) { + case QOS_AC_BE: + config->high_threshold = + (QOS_TX_HIGH_BE_DEF * num_blocks) / 100; + config->low_threshold = + (QOS_TX_LOW_BE_DEF * num_blocks) / 100; + break; + case QOS_AC_BK: + config->high_threshold = + (QOS_TX_HIGH_BK_DEF * num_blocks) / 100; + config->low_threshold = + (QOS_TX_LOW_BK_DEF * num_blocks) / 100; + break; + case QOS_AC_VI: + config->high_threshold = + (QOS_TX_HIGH_VI_DEF * num_blocks) / 100; + config->low_threshold = + (QOS_TX_LOW_VI_DEF * num_blocks) / 100; + break; + case QOS_AC_VO: + config->high_threshold = + (QOS_TX_HIGH_VO_DEF * num_blocks) / 100; + config->low_threshold = + (QOS_TX_LOW_VO_DEF * num_blocks) / 100; + break; + default: + wl1251_error("Invalid TX queue id: %d", qid); + return -EINVAL; + } + + return 0; +} + +static int wl1251_hw_init_tx_queue_config(struct wl1251 *wl) +{ + struct acx_tx_queue_qos_config *config; + struct wl1251_acx_mem_map *wl_mem_map = wl->target_mem_map; + int ret, i; + + wl1251_debug(DEBUG_ACX, "acx tx queue config"); + + config = kzalloc(sizeof(*config), GFP_KERNEL); + if (!config) { + ret = -ENOMEM; + goto out; + } + + for (i = 0; i < MAX_NUM_OF_AC; i++) { + ret = wl1251_hw_init_txq_fill(i, config, + wl_mem_map->num_tx_mem_blocks); + if (ret < 0) + goto out; + + ret = wl1251_cmd_configure(wl, ACX_TX_QUEUE_CFG, + config, sizeof(*config)); + if (ret < 0) + goto out; + } + +out: + kfree(config); + return ret; +} + +static int wl1251_hw_init_data_path_config(struct wl1251 *wl) +{ + int ret; + + /* asking for the data path parameters */ + wl->data_path = kzalloc(sizeof(struct acx_data_path_params_resp), + GFP_KERNEL); + if (!wl->data_path) { + wl1251_error("Couldnt allocate data path parameters"); + return -ENOMEM; + } + + ret = wl1251_acx_data_path_params(wl, wl->data_path); + if (ret < 0) { + kfree(wl->data_path); + wl->data_path = NULL; + return ret; + } + + return 0; +} + + +int wl1251_hw_init(struct wl1251 *wl) +{ + struct wl1251_acx_mem_map *wl_mem_map; + int ret; + + ret = wl1251_hw_init_hwenc_config(wl); + if (ret < 0) + return ret; + + /* Template settings */ + ret = wl1251_hw_init_templates_config(wl); + if (ret < 0) + return ret; + + /* Default memory configuration */ + ret = wl1251_hw_init_mem_config(wl); + if (ret < 0) + return ret; + + /* Default data path configuration */ + ret = wl1251_hw_init_data_path_config(wl); + if (ret < 0) + goto out_free_memmap; + + /* RX config */ + ret = wl1251_hw_init_rx_config(wl, + RX_CFG_PROMISCUOUS | RX_CFG_TSF, + RX_FILTER_OPTION_DEF); + /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS, + RX_FILTER_OPTION_FILTER_ALL); */ + if (ret < 0) + goto out_free_data_path; + + /* TX queues config */ + ret = wl1251_hw_init_tx_queue_config(wl); + if (ret < 0) + goto out_free_data_path; + + /* PHY layer config */ + ret = wl1251_hw_init_phy_config(wl); + if (ret < 0) + goto out_free_data_path; + + /* Beacon filtering */ + ret = wl1251_hw_init_beacon_filter(wl); + if (ret < 0) + goto out_free_data_path; + + /* Bluetooth WLAN coexistence */ + ret = wl1251_hw_init_pta(wl); + if (ret < 0) + goto out_free_data_path; + + /* Energy detection */ + ret = wl1251_hw_init_energy_detection(wl); + if (ret < 0) + goto out_free_data_path; + + /* Beacons and boradcast settings */ + ret = wl1251_hw_init_beacon_broadcast(wl); + if (ret < 0) + goto out_free_data_path; + + /* Enable data path */ + ret = wl1251_cmd_data_path(wl, wl->channel, 1); + if (ret < 0) + goto out_free_data_path; + + /* Default power state */ + ret = wl1251_hw_init_power_auth(wl); + if (ret < 0) + goto out_free_data_path; + + wl_mem_map = wl->target_mem_map; + wl1251_info("%d tx blocks at 0x%x, %d rx blocks at 0x%x", + wl_mem_map->num_tx_mem_blocks, + wl->data_path->tx_control_addr, + wl_mem_map->num_rx_mem_blocks, + wl->data_path->rx_control_addr); + + return 0; + + out_free_data_path: + kfree(wl->data_path); + + out_free_memmap: + kfree(wl->target_mem_map); + + return ret; +} diff --git a/drivers/net/wireless/wl12xx/wl1251_init.h b/drivers/net/wireless/wl12xx/wl1251_init.h new file mode 100644 index 000000000000..b3b25ec885ea --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_init.h @@ -0,0 +1,41 @@ +/* + * This file is part of wl1251 + * + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Kalle Valo <kalle.valo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1251_INIT_H__ +#define __WL1251_INIT_H__ + +#include "wl1251.h" + +int wl1251_hw_init_hwenc_config(struct wl1251 *wl); +int wl1251_hw_init_templates_config(struct wl1251 *wl); +int wl1251_hw_init_rx_config(struct wl1251 *wl, u32 config, u32 filter); +int wl1251_hw_init_phy_config(struct wl1251 *wl); +int wl1251_hw_init_beacon_filter(struct wl1251 *wl); +int wl1251_hw_init_pta(struct wl1251 *wl); +int wl1251_hw_init_energy_detection(struct wl1251 *wl); +int wl1251_hw_init_beacon_broadcast(struct wl1251 *wl); +int wl1251_hw_init_power_auth(struct wl1251 *wl); +int wl1251_hw_init_mem_config(struct wl1251 *wl); +int wl1251_hw_init(struct wl1251 *wl); + +#endif diff --git a/drivers/net/wireless/wl12xx/wl1251_io.c b/drivers/net/wireless/wl12xx/wl1251_io.c new file mode 100644 index 000000000000..f1c232e0887f --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_io.c @@ -0,0 +1,196 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2008 Nokia Corporation + * + * Contact: Kalle Valo <kalle.valo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "wl1251.h" +#include "wl1251_reg.h" +#include "wl1251_io.h" + +/* FIXME: this is static data nowadays and the table can be removed */ +static enum wl12xx_acx_int_reg wl1251_io_reg_table[ACX_REG_TABLE_LEN] = { + [ACX_REG_INTERRUPT_TRIG] = (REGISTERS_BASE + 0x0474), + [ACX_REG_INTERRUPT_TRIG_H] = (REGISTERS_BASE + 0x0478), + [ACX_REG_INTERRUPT_MASK] = (REGISTERS_BASE + 0x0494), + [ACX_REG_HINT_MASK_SET] = (REGISTERS_BASE + 0x0498), + [ACX_REG_HINT_MASK_CLR] = (REGISTERS_BASE + 0x049C), + [ACX_REG_INTERRUPT_NO_CLEAR] = (REGISTERS_BASE + 0x04B0), + [ACX_REG_INTERRUPT_CLEAR] = (REGISTERS_BASE + 0x04A4), + [ACX_REG_INTERRUPT_ACK] = (REGISTERS_BASE + 0x04A8), + [ACX_REG_SLV_SOFT_RESET] = (REGISTERS_BASE + 0x0000), + [ACX_REG_EE_START] = (REGISTERS_BASE + 0x080C), + [ACX_REG_ECPU_CONTROL] = (REGISTERS_BASE + 0x0804) +}; + +static int wl1251_translate_reg_addr(struct wl1251 *wl, int addr) +{ + /* If the address is lower than REGISTERS_BASE, it means that this is + * a chip-specific register address, so look it up in the registers + * table */ + if (addr < REGISTERS_BASE) { + /* Make sure we don't go over the table */ + if (addr >= ACX_REG_TABLE_LEN) { + wl1251_error("address out of range (%d)", addr); + return -EINVAL; + } + addr = wl1251_io_reg_table[addr]; + } + + return addr - wl->physical_reg_addr + wl->virtual_reg_addr; +} + +static int wl1251_translate_mem_addr(struct wl1251 *wl, int addr) +{ + return addr - wl->physical_mem_addr + wl->virtual_mem_addr; +} + +void wl1251_mem_read(struct wl1251 *wl, int addr, void *buf, size_t len) +{ + int physical; + + physical = wl1251_translate_mem_addr(wl, addr); + + wl->if_ops->read(wl, physical, buf, len); +} + +void wl1251_mem_write(struct wl1251 *wl, int addr, void *buf, size_t len) +{ + int physical; + + physical = wl1251_translate_mem_addr(wl, addr); + + wl->if_ops->write(wl, physical, buf, len); +} + +u32 wl1251_mem_read32(struct wl1251 *wl, int addr) +{ + return wl1251_read32(wl, wl1251_translate_mem_addr(wl, addr)); +} + +void wl1251_mem_write32(struct wl1251 *wl, int addr, u32 val) +{ + wl1251_write32(wl, wl1251_translate_mem_addr(wl, addr), val); +} + +u32 wl1251_reg_read32(struct wl1251 *wl, int addr) +{ + return wl1251_read32(wl, wl1251_translate_reg_addr(wl, addr)); +} + +void wl1251_reg_write32(struct wl1251 *wl, int addr, u32 val) +{ + wl1251_write32(wl, wl1251_translate_reg_addr(wl, addr), val); +} + +/* Set the partitions to access the chip addresses. + * + * There are two VIRTUAL partitions (the memory partition and the + * registers partition), which are mapped to two different areas of the + * PHYSICAL (hardware) memory. This function also makes other checks to + * ensure that the partitions are not overlapping. In the diagram below, the + * memory partition comes before the register partition, but the opposite is + * also supported. + * + * PHYSICAL address + * space + * + * | | + * ...+----+--> mem_start + * VIRTUAL address ... | | + * space ... | | [PART_0] + * ... | | + * 0x00000000 <--+----+... ...+----+--> mem_start + mem_size + * | | ... | | + * |MEM | ... | | + * | | ... | | + * part_size <--+----+... | | {unused area) + * | | ... | | + * |REG | ... | | + * part_size | | ... | | + * + <--+----+... ...+----+--> reg_start + * reg_size ... | | + * ... | | [PART_1] + * ... | | + * ...+----+--> reg_start + reg_size + * | | + * + */ +void wl1251_set_partition(struct wl1251 *wl, + u32 mem_start, u32 mem_size, + u32 reg_start, u32 reg_size) +{ + struct wl1251_partition partition[2]; + + wl1251_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", + mem_start, mem_size); + wl1251_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", + reg_start, reg_size); + + /* Make sure that the two partitions together don't exceed the + * address range */ + if ((mem_size + reg_size) > HW_ACCESS_MEMORY_MAX_RANGE) { + wl1251_debug(DEBUG_SPI, "Total size exceeds maximum virtual" + " address range. Truncating partition[0]."); + mem_size = HW_ACCESS_MEMORY_MAX_RANGE - reg_size; + wl1251_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", + mem_start, mem_size); + wl1251_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", + reg_start, reg_size); + } + + if ((mem_start < reg_start) && + ((mem_start + mem_size) > reg_start)) { + /* Guarantee that the memory partition doesn't overlap the + * registers partition */ + wl1251_debug(DEBUG_SPI, "End of partition[0] is " + "overlapping partition[1]. Adjusted."); + mem_size = reg_start - mem_start; + wl1251_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", + mem_start, mem_size); + wl1251_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", + reg_start, reg_size); + } else if ((reg_start < mem_start) && + ((reg_start + reg_size) > mem_start)) { + /* Guarantee that the register partition doesn't overlap the + * memory partition */ + wl1251_debug(DEBUG_SPI, "End of partition[1] is" + " overlapping partition[0]. Adjusted."); + reg_size = mem_start - reg_start; + wl1251_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", + mem_start, mem_size); + wl1251_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", + reg_start, reg_size); + } + + partition[0].start = mem_start; + partition[0].size = mem_size; + partition[1].start = reg_start; + partition[1].size = reg_size; + + wl->physical_mem_addr = mem_start; + wl->physical_reg_addr = reg_start; + + wl->virtual_mem_addr = 0; + wl->virtual_reg_addr = mem_size; + + wl->if_ops->write(wl, HW_ACCESS_PART0_SIZE_ADDR, partition, + sizeof(partition)); +} diff --git a/drivers/net/wireless/wl12xx/wl1251_io.h b/drivers/net/wireless/wl12xx/wl1251_io.h new file mode 100644 index 000000000000..b89d2ac62efb --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_io.h @@ -0,0 +1,64 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2008 Nokia Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ +#ifndef __WL1251_IO_H__ +#define __WL1251_IO_H__ + +#include "wl1251.h" + +#define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0 + +#define HW_ACCESS_PART0_SIZE_ADDR 0x1FFC0 +#define HW_ACCESS_PART0_START_ADDR 0x1FFC4 +#define HW_ACCESS_PART1_SIZE_ADDR 0x1FFC8 +#define HW_ACCESS_PART1_START_ADDR 0x1FFCC + +#define HW_ACCESS_REGISTER_SIZE 4 + +#define HW_ACCESS_PRAM_MAX_RANGE 0x3c000 + +static inline u32 wl1251_read32(struct wl1251 *wl, int addr) +{ + u32 response; + + wl->if_ops->read(wl, addr, &response, sizeof(u32)); + + return response; +} + +static inline void wl1251_write32(struct wl1251 *wl, int addr, u32 val) +{ + wl->if_ops->write(wl, addr, &val, sizeof(u32)); +} + +/* Memory target IO, address is translated to partition 0 */ +void wl1251_mem_read(struct wl1251 *wl, int addr, void *buf, size_t len); +void wl1251_mem_write(struct wl1251 *wl, int addr, void *buf, size_t len); +u32 wl1251_mem_read32(struct wl1251 *wl, int addr); +void wl1251_mem_write32(struct wl1251 *wl, int addr, u32 val); +/* Registers IO */ +u32 wl1251_reg_read32(struct wl1251 *wl, int addr); +void wl1251_reg_write32(struct wl1251 *wl, int addr, u32 val); + +void wl1251_set_partition(struct wl1251 *wl, + u32 part_start, u32 part_size, + u32 reg_start, u32 reg_size); + +#endif diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/wl1251_main.c index 603d6114882e..5809ef5b18f8 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/wl1251_main.c @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (C) 2008-2009 Nokia Corporation * @@ -26,65 +26,57 @@ #include <linux/firmware.h> #include <linux/delay.h> #include <linux/irq.h> -#include <linux/spi/spi.h> #include <linux/crc32.h> #include <linux/etherdevice.h> -#include <linux/spi/wl12xx.h> -#include "wl12xx.h" -#include "wl12xx_80211.h" -#include "reg.h" #include "wl1251.h" -#include "spi.h" -#include "event.h" -#include "tx.h" -#include "rx.h" -#include "ps.h" -#include "init.h" -#include "debugfs.h" - -static void wl12xx_disable_interrupts(struct wl12xx *wl) +#include "wl12xx_80211.h" +#include "wl1251_reg.h" +#include "wl1251_io.h" +#include "wl1251_cmd.h" +#include "wl1251_event.h" +#include "wl1251_tx.h" +#include "wl1251_rx.h" +#include "wl1251_ps.h" +#include "wl1251_init.h" +#include "wl1251_debugfs.h" +#include "wl1251_boot.h" + +void wl1251_enable_interrupts(struct wl1251 *wl) { - disable_irq(wl->irq); + wl->if_ops->enable_irq(wl); } -static void wl12xx_power_off(struct wl12xx *wl) +void wl1251_disable_interrupts(struct wl1251 *wl) { - wl->set_power(false); + wl->if_ops->disable_irq(wl); } -static void wl12xx_power_on(struct wl12xx *wl) +static void wl1251_power_off(struct wl1251 *wl) { - wl->set_power(true); + wl->set_power(false); } -static irqreturn_t wl12xx_irq(int irq, void *cookie) +static void wl1251_power_on(struct wl1251 *wl) { - struct wl12xx *wl; - - wl12xx_debug(DEBUG_IRQ, "IRQ"); - - wl = cookie; - - schedule_work(&wl->irq_work); - - return IRQ_HANDLED; + wl->set_power(true); } -static int wl12xx_fetch_firmware(struct wl12xx *wl) +static int wl1251_fetch_firmware(struct wl1251 *wl) { const struct firmware *fw; + struct device *dev = wiphy_dev(wl->hw->wiphy); int ret; - ret = request_firmware(&fw, wl->chip.fw_filename, &wl->spi->dev); + ret = request_firmware(&fw, WL1251_FW_NAME, dev); if (ret < 0) { - wl12xx_error("could not get firmware: %d", ret); + wl1251_error("could not get firmware: %d", ret); return ret; } if (fw->size % 4) { - wl12xx_error("firmware size is not multiple of 32 bits: %zu", + wl1251_error("firmware size is not multiple of 32 bits: %zu", fw->size); ret = -EILSEQ; goto out; @@ -94,7 +86,7 @@ static int wl12xx_fetch_firmware(struct wl12xx *wl) wl->fw = kmalloc(wl->fw_len, GFP_KERNEL); if (!wl->fw) { - wl12xx_error("could not allocate memory for the firmware"); + wl1251_error("could not allocate memory for the firmware"); ret = -ENOMEM; goto out; } @@ -109,20 +101,21 @@ out: return ret; } -static int wl12xx_fetch_nvs(struct wl12xx *wl) +static int wl1251_fetch_nvs(struct wl1251 *wl) { const struct firmware *fw; + struct device *dev = wiphy_dev(wl->hw->wiphy); int ret; - ret = request_firmware(&fw, wl->chip.nvs_filename, &wl->spi->dev); + ret = request_firmware(&fw, WL1251_NVS_NAME, dev); if (ret < 0) { - wl12xx_error("could not get nvs file: %d", ret); + wl1251_error("could not get nvs file: %d", ret); return ret; } if (fw->size % 4) { - wl12xx_error("nvs size is not multiple of 32 bits: %zu", + wl1251_error("nvs size is not multiple of 32 bits: %zu", fw->size); ret = -EILSEQ; goto out; @@ -132,7 +125,7 @@ static int wl12xx_fetch_nvs(struct wl12xx *wl) wl->nvs = kmalloc(wl->nvs_len, GFP_KERNEL); if (!wl->nvs) { - wl12xx_error("could not allocate memory for the nvs file"); + wl1251_error("could not allocate memory for the nvs file"); ret = -ENOMEM; goto out; } @@ -147,74 +140,66 @@ out: return ret; } -static void wl12xx_fw_wakeup(struct wl12xx *wl) +static void wl1251_fw_wakeup(struct wl1251 *wl) { u32 elp_reg; elp_reg = ELPCTRL_WAKE_UP; - wl12xx_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); - elp_reg = wl12xx_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); + wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); + elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); - if (!(elp_reg & ELPCTRL_WLAN_READY)) { - wl12xx_warning("WLAN not ready"); - elp_reg = ELPCTRL_WAKE_UP_WLAN_READY; - wl12xx_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); - } + if (!(elp_reg & ELPCTRL_WLAN_READY)) + wl1251_warning("WLAN not ready"); } -static int wl12xx_chip_wakeup(struct wl12xx *wl) +static int wl1251_chip_wakeup(struct wl1251 *wl) { int ret = 0; - wl12xx_power_on(wl); - msleep(wl->chip.power_on_sleep); - wl12xx_spi_reset(wl); - wl12xx_spi_init(wl); + wl1251_power_on(wl); + msleep(WL1251_POWER_ON_SLEEP); + wl->if_ops->reset(wl); /* We don't need a real memory partition here, because we only want * to use the registers at this point. */ - wl12xx_set_partition(wl, + wl1251_set_partition(wl, 0x00000000, 0x00000000, REGISTERS_BASE, REGISTERS_DOWN_SIZE); /* ELP module wake up */ - wl12xx_fw_wakeup(wl); + wl1251_fw_wakeup(wl); /* whal_FwCtrl_BootSm() */ /* 0. read chip id from CHIP_ID */ - wl->chip.id = wl12xx_reg_read32(wl, CHIP_ID_B); + wl->chip_id = wl1251_reg_read32(wl, CHIP_ID_B); /* 1. check if chip id is valid */ - switch (wl->chip.id) { + switch (wl->chip_id) { case CHIP_ID_1251_PG12: - wl12xx_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)", - wl->chip.id); - - wl1251_setup(wl); - + wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)", + wl->chip_id); break; - case CHIP_ID_1271_PG10: case CHIP_ID_1251_PG10: case CHIP_ID_1251_PG11: default: - wl12xx_error("unsupported chip id: 0x%x", wl->chip.id); + wl1251_error("unsupported chip id: 0x%x", wl->chip_id); ret = -ENODEV; goto out; } if (wl->fw == NULL) { - ret = wl12xx_fetch_firmware(wl); + ret = wl1251_fetch_firmware(wl); if (ret < 0) goto out; } /* No NVS from netlink, try to get it from the filesystem */ if (wl->nvs == NULL) { - ret = wl12xx_fetch_nvs(wl); + ret = wl1251_fetch_nvs(wl); if (ret < 0) goto out; } @@ -223,88 +208,180 @@ out: return ret; } -static void wl12xx_filter_work(struct work_struct *work) +static void wl1251_irq_work(struct work_struct *work) { - struct wl12xx *wl = - container_of(work, struct wl12xx, filter_work); + u32 intr; + struct wl1251 *wl = + container_of(work, struct wl1251, irq_work); int ret; mutex_lock(&wl->mutex); - if (wl->state == WL12XX_STATE_OFF) + wl1251_debug(DEBUG_IRQ, "IRQ work"); + + if (wl->state == WL1251_STATE_OFF) goto out; - ret = wl12xx_cmd_join(wl, wl->bss_type, 1, 100, 0); + ret = wl1251_ps_elp_wakeup(wl); if (ret < 0) goto out; -out: - mutex_unlock(&wl->mutex); -} + wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL); + + intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); + wl1251_debug(DEBUG_IRQ, "intr: 0x%x", intr); + + if (wl->data_path) { + wl->rx_counter = + wl1251_mem_read32(wl, wl->data_path->rx_control_addr); + + /* We handle a frmware bug here */ + switch ((wl->rx_counter - wl->rx_handled) & 0xf) { + case 0: + wl1251_debug(DEBUG_IRQ, "RX: FW and host in sync"); + intr &= ~WL1251_ACX_INTR_RX0_DATA; + intr &= ~WL1251_ACX_INTR_RX1_DATA; + break; + case 1: + wl1251_debug(DEBUG_IRQ, "RX: FW +1"); + intr |= WL1251_ACX_INTR_RX0_DATA; + intr &= ~WL1251_ACX_INTR_RX1_DATA; + break; + case 2: + wl1251_debug(DEBUG_IRQ, "RX: FW +2"); + intr |= WL1251_ACX_INTR_RX0_DATA; + intr |= WL1251_ACX_INTR_RX1_DATA; + break; + default: + wl1251_warning("RX: FW and host out of sync: %d", + wl->rx_counter - wl->rx_handled); + break; + } -int wl12xx_plt_start(struct wl12xx *wl) -{ - int ret; + wl->rx_handled = wl->rx_counter; - wl12xx_notice("power up"); - if (wl->state != WL12XX_STATE_OFF) { - wl12xx_error("cannot go into PLT state because not " - "in off state: %d", wl->state); - return -EBUSY; + wl1251_debug(DEBUG_IRQ, "RX counter: %d", wl->rx_counter); } - wl->state = WL12XX_STATE_PLT; + intr &= wl->intr_mask; - ret = wl12xx_chip_wakeup(wl); - if (ret < 0) - return ret; + if (intr == 0) { + wl1251_debug(DEBUG_IRQ, "INTR is 0"); + wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, + ~(wl->intr_mask)); + + goto out_sleep; + } - ret = wl->chip.op_boot(wl); + if (intr & WL1251_ACX_INTR_RX0_DATA) { + wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA"); + wl1251_rx(wl); + } + + if (intr & WL1251_ACX_INTR_RX1_DATA) { + wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA"); + wl1251_rx(wl); + } + + if (intr & WL1251_ACX_INTR_TX_RESULT) { + wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT"); + wl1251_tx_complete(wl); + } + + if (intr & (WL1251_ACX_INTR_EVENT_A | WL1251_ACX_INTR_EVENT_B)) { + wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT (0x%x)", intr); + if (intr & WL1251_ACX_INTR_EVENT_A) + wl1251_event_handle(wl, 0); + else + wl1251_event_handle(wl, 1); + } + + if (intr & WL1251_ACX_INTR_INIT_COMPLETE) + wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_INIT_COMPLETE"); + + wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); + +out_sleep: + wl1251_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); +} + +static int wl1251_join(struct wl1251 *wl, u8 bss_type, u8 channel, + u16 beacon_interval, u8 dtim_period) +{ + int ret; + + ret = wl1251_acx_frame_rates(wl, DEFAULT_HW_GEN_TX_RATE, + DEFAULT_HW_GEN_MODULATION_TYPE, + wl->tx_mgmt_frm_rate, + wl->tx_mgmt_frm_mod); if (ret < 0) - return ret; + goto out; - wl12xx_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver); - ret = wl->chip.op_plt_init(wl); + ret = wl1251_cmd_join(wl, bss_type, channel, beacon_interval, + dtim_period); if (ret < 0) - return ret; + goto out; - return 0; + /* + * FIXME: we should wait for JOIN_EVENT_COMPLETE_ID but to simplify + * locking we just sleep instead, for now + */ + msleep(10); + +out: + return ret; } -int wl12xx_plt_stop(struct wl12xx *wl) +static void wl1251_filter_work(struct work_struct *work) { - wl12xx_notice("power down"); + struct wl1251 *wl = + container_of(work, struct wl1251, filter_work); + int ret; - if (wl->state != WL12XX_STATE_PLT) { - wl12xx_error("cannot power down because not in PLT " - "state: %d", wl->state); - return -EBUSY; - } + mutex_lock(&wl->mutex); - wl12xx_disable_interrupts(wl); - wl12xx_power_off(wl); + if (wl->state == WL1251_STATE_OFF) + goto out; - wl->state = WL12XX_STATE_OFF; + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out; - return 0; -} + ret = wl1251_join(wl, wl->bss_type, wl->channel, wl->beacon_int, + wl->dtim_period); + if (ret < 0) + goto out_sleep; +out_sleep: + wl1251_ps_elp_sleep(wl); -static int wl12xx_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) +out: + mutex_unlock(&wl->mutex); +} + +static int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { - struct wl12xx *wl = hw->priv; + struct wl1251 *wl = hw->priv; skb_queue_tail(&wl->tx_queue, skb); - schedule_work(&wl->tx_work); + /* + * The chip specific setup must run before the first TX packet - + * before that, the tx_work will not be initialized! + */ + + ieee80211_queue_work(wl->hw, &wl->tx_work); /* * The workqueue is slow to process the tx_queue and we need stop * the queue here, otherwise the queue will get too long. */ - if (skb_queue_len(&wl->tx_queue) >= WL12XX_TX_QUEUE_MAX_LENGTH) { + if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_MAX_LENGTH) { ieee80211_stop_queues(wl->hw); /* @@ -318,62 +395,62 @@ static int wl12xx_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) return NETDEV_TX_OK; } -static int wl12xx_op_start(struct ieee80211_hw *hw) +static int wl1251_op_start(struct ieee80211_hw *hw) { - struct wl12xx *wl = hw->priv; + struct wl1251 *wl = hw->priv; int ret = 0; - wl12xx_debug(DEBUG_MAC80211, "mac80211 start"); + wl1251_debug(DEBUG_MAC80211, "mac80211 start"); mutex_lock(&wl->mutex); - if (wl->state != WL12XX_STATE_OFF) { - wl12xx_error("cannot start because not in off state: %d", + if (wl->state != WL1251_STATE_OFF) { + wl1251_error("cannot start because not in off state: %d", wl->state); ret = -EBUSY; goto out; } - ret = wl12xx_chip_wakeup(wl); + ret = wl1251_chip_wakeup(wl); if (ret < 0) - return ret; + goto out; - ret = wl->chip.op_boot(wl); + ret = wl1251_boot(wl); if (ret < 0) goto out; - ret = wl->chip.op_hw_init(wl); + ret = wl1251_hw_init(wl); if (ret < 0) goto out; - ret = wl12xx_acx_station_id(wl); + ret = wl1251_acx_station_id(wl); if (ret < 0) goto out; - wl->state = WL12XX_STATE_ON; + wl->state = WL1251_STATE_ON; - wl12xx_info("firmware booted (%s)", wl->chip.fw_ver); + wl1251_info("firmware booted (%s)", wl->fw_ver); out: if (ret < 0) - wl12xx_power_off(wl); + wl1251_power_off(wl); mutex_unlock(&wl->mutex); return ret; } -static void wl12xx_op_stop(struct ieee80211_hw *hw) +static void wl1251_op_stop(struct ieee80211_hw *hw) { - struct wl12xx *wl = hw->priv; + struct wl1251 *wl = hw->priv; - wl12xx_info("down"); + wl1251_info("down"); - wl12xx_debug(DEBUG_MAC80211, "mac80211 stop"); + wl1251_debug(DEBUG_MAC80211, "mac80211 stop"); mutex_lock(&wl->mutex); - WARN_ON(wl->state != WL12XX_STATE_ON); + WARN_ON(wl->state != WL1251_STATE_ON); if (wl->scanning) { mutex_unlock(&wl->mutex); @@ -382,9 +459,9 @@ static void wl12xx_op_stop(struct ieee80211_hw *hw) wl->scanning = false; } - wl->state = WL12XX_STATE_OFF; + wl->state = WL1251_STATE_OFF; - wl12xx_disable_interrupts(wl); + wl1251_disable_interrupts(wl); mutex_unlock(&wl->mutex); @@ -395,9 +472,8 @@ static void wl12xx_op_stop(struct ieee80211_hw *hw) mutex_lock(&wl->mutex); /* let's notify MAC80211 about the remaining pending TX frames */ - wl12xx_tx_flush(wl); - - wl12xx_power_off(wl); + wl1251_tx_flush(wl); + wl1251_power_off(wl); memset(wl->bssid, 0, ETH_ALEN); wl->listen_int = 1; @@ -412,22 +488,22 @@ static void wl12xx_op_stop(struct ieee80211_hw *hw) wl->elp = false; wl->psm = 0; wl->tx_queue_stopped = false; - wl->power_level = WL12XX_DEFAULT_POWER_LEVEL; + wl->power_level = WL1251_DEFAULT_POWER_LEVEL; + wl->channel = WL1251_DEFAULT_CHANNEL; - wl12xx_debugfs_reset(wl); + wl1251_debugfs_reset(wl); mutex_unlock(&wl->mutex); } -static int wl12xx_op_add_interface(struct ieee80211_hw *hw, +static int wl1251_op_add_interface(struct ieee80211_hw *hw, struct ieee80211_if_init_conf *conf) { - struct wl12xx *wl = hw->priv; - DECLARE_MAC_BUF(mac); + struct wl1251 *wl = hw->priv; int ret = 0; - wl12xx_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %s", - conf->type, print_mac(mac, conf->mac_addr)); + wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", + conf->type, conf->mac_addr); mutex_lock(&wl->mutex); @@ -446,7 +522,7 @@ static int wl12xx_op_add_interface(struct ieee80211_hw *hw, if (memcmp(wl->mac_addr, conf->mac_addr, ETH_ALEN)) { memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN); SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); - ret = wl12xx_acx_station_id(wl); + ret = wl1251_acx_station_id(wl); if (ret < 0) goto out; } @@ -456,13 +532,13 @@ out: return ret; } -static void wl12xx_op_remove_interface(struct ieee80211_hw *hw, +static void wl1251_op_remove_interface(struct ieee80211_hw *hw, struct ieee80211_if_init_conf *conf) { - wl12xx_debug(DEBUG_MAC80211, "mac80211 remove interface"); + wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); } -static int wl12xx_build_null_data(struct wl12xx *wl) +static int wl1251_build_null_data(struct wl1251 *wl) { struct wl12xx_null_data_template template; @@ -478,12 +554,12 @@ static int wl12xx_build_null_data(struct wl12xx *wl) template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); - return wl12xx_cmd_template_set(wl, CMD_NULL_DATA, &template, + return wl1251_cmd_template_set(wl, CMD_NULL_DATA, &template, sizeof(template)); } -static int wl12xx_build_ps_poll(struct wl12xx *wl, u16 aid) +static int wl1251_build_ps_poll(struct wl1251 *wl, u16 aid) { struct wl12xx_ps_poll_template template; @@ -492,41 +568,45 @@ static int wl12xx_build_ps_poll(struct wl12xx *wl, u16 aid) template.aid = aid; template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); - return wl12xx_cmd_template_set(wl, CMD_PS_POLL, &template, + return wl1251_cmd_template_set(wl, CMD_PS_POLL, &template, sizeof(template)); } -static int wl12xx_op_config(struct ieee80211_hw *hw, u32 changed) +static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) { - struct wl12xx *wl = hw->priv; + struct wl1251 *wl = hw->priv; struct ieee80211_conf *conf = &hw->conf; int channel, ret = 0; channel = ieee80211_frequency_to_channel(conf->channel->center_freq); - wl12xx_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", + wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", channel, conf->flags & IEEE80211_CONF_PS ? "on" : "off", conf->power_level); mutex_lock(&wl->mutex); - if (channel != wl->channel) { - /* FIXME: use beacon interval provided by mac80211 */ - ret = wl12xx_cmd_join(wl, wl->bss_type, 1, 100, 0); - if (ret < 0) - goto out; + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + if (channel != wl->channel) { wl->channel = channel; + + ret = wl1251_join(wl, wl->bss_type, wl->channel, + wl->beacon_int, wl->dtim_period); + if (ret < 0) + goto out_sleep; } - ret = wl12xx_build_null_data(wl); + ret = wl1251_build_null_data(wl); if (ret < 0) - goto out; + goto out_sleep; if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { - wl12xx_info("psm enabled"); + wl1251_debug(DEBUG_PSM, "psm enabled"); wl->psm_requested = true; @@ -535,49 +615,51 @@ static int wl12xx_op_config(struct ieee80211_hw *hw, u32 changed) * If we're not, we'll enter it when joining an SSID, * through the bss_info_changed() hook. */ - ret = wl12xx_ps_set_mode(wl, STATION_POWER_SAVE_MODE); + ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); } else if (!(conf->flags & IEEE80211_CONF_PS) && wl->psm_requested) { - wl12xx_info("psm disabled"); + wl1251_debug(DEBUG_PSM, "psm disabled"); wl->psm_requested = false; if (wl->psm) - ret = wl12xx_ps_set_mode(wl, STATION_ACTIVE_MODE); + ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); } if (conf->power_level != wl->power_level) { - ret = wl12xx_acx_tx_power(wl, conf->power_level); + ret = wl1251_acx_tx_power(wl, conf->power_level); if (ret < 0) goto out; wl->power_level = conf->power_level; } +out_sleep: + wl1251_ps_elp_sleep(wl); + out: mutex_unlock(&wl->mutex); + return ret; } -#define WL12XX_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ +#define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ FIF_ALLMULTI | \ FIF_FCSFAIL | \ FIF_BCN_PRBRESP_PROMISC | \ FIF_CONTROL | \ FIF_OTHER_BSS) -static void wl12xx_op_configure_filter(struct ieee80211_hw *hw, +static void wl1251_op_configure_filter(struct ieee80211_hw *hw, unsigned int changed, - unsigned int *total, - int mc_count, - struct dev_addr_list *mc_list) + unsigned int *total,u64 multicast) { - struct wl12xx *wl = hw->priv; + struct wl1251 *wl = hw->priv; - wl12xx_debug(DEBUG_MAC80211, "mac80211 configure filter"); + wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter"); - *total &= WL12XX_SUPPORTED_FILTERS; - changed &= WL12XX_SUPPORTED_FILTERS; + *total &= WL1251_SUPPORTED_FILTERS; + changed &= WL1251_SUPPORTED_FILTERS; if (changed == 0) /* no filters which we support changed */ @@ -585,8 +667,8 @@ static void wl12xx_op_configure_filter(struct ieee80211_hw *hw, /* FIXME: wl->rx_config and wl->rx_filter are not protected */ - wl->rx_config = WL12XX_DEFAULT_RX_CONFIG; - wl->rx_filter = WL12XX_DEFAULT_RX_FILTER; + wl->rx_config = WL1251_DEFAULT_RX_CONFIG; + wl->rx_filter = WL1251_DEFAULT_RX_FILTER; if (*total & FIF_PROMISC_IN_BSS) { wl->rx_config |= CFG_BSSID_FILTER_EN; @@ -618,7 +700,8 @@ static void wl12xx_op_configure_filter(struct ieee80211_hw *hw, } /* HW encryption */ -static int wl12xx_set_key_type(struct wl12xx *wl, struct acx_set_key *key, +static int wl1251_set_key_type(struct wl1251 *wl, + struct wl1251_cmd_set_keys *key, enum set_key_cmd cmd, struct ieee80211_key_conf *mac80211_key, const u8 *addr) @@ -648,95 +731,116 @@ static int wl12xx_set_key_type(struct wl12xx *wl, struct acx_set_key *key, mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; break; default: - wl12xx_error("Unknown key algo 0x%x", mac80211_key->alg); + wl1251_error("Unknown key algo 0x%x", mac80211_key->alg); return -EOPNOTSUPP; } return 0; } -static int wl12xx_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, +static int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key) { - struct wl12xx *wl = hw->priv; - struct acx_set_key wl_key; + struct wl1251 *wl = hw->priv; + struct wl1251_cmd_set_keys *wl_cmd; const u8 *addr; int ret; static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - wl12xx_debug(DEBUG_MAC80211, "mac80211 set key"); + wl1251_debug(DEBUG_MAC80211, "mac80211 set key"); - memset(&wl_key, 0, sizeof(wl_key)); + wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL); + if (!wl_cmd) { + ret = -ENOMEM; + goto out; + } addr = sta ? sta->addr : bcast_addr; - wl12xx_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); - wl12xx_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); - wl12xx_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", + wl1251_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); + wl1251_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); + wl1251_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", key->alg, key->keyidx, key->keylen, key->flags); - wl12xx_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); + wl1251_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); + + if (is_zero_ether_addr(addr)) { + /* We dont support TX only encryption */ + ret = -EOPNOTSUPP; + goto out; + } mutex_lock(&wl->mutex); + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out_unlock; + switch (cmd) { case SET_KEY: - wl_key.key_action = KEY_ADD_OR_REPLACE; + wl_cmd->key_action = KEY_ADD_OR_REPLACE; break; case DISABLE_KEY: - wl_key.key_action = KEY_REMOVE; + wl_cmd->key_action = KEY_REMOVE; break; default: - wl12xx_error("Unsupported key cmd 0x%x", cmd); + wl1251_error("Unsupported key cmd 0x%x", cmd); break; } - ret = wl12xx_set_key_type(wl, &wl_key, cmd, key, addr); + ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr); if (ret < 0) { - wl12xx_error("Set KEY type failed"); - goto out; + wl1251_error("Set KEY type failed"); + goto out_sleep; } - if (wl_key.key_type != KEY_WEP_DEFAULT) - memcpy(wl_key.addr, addr, ETH_ALEN); + if (wl_cmd->key_type != KEY_WEP_DEFAULT) + memcpy(wl_cmd->addr, addr, ETH_ALEN); - if ((wl_key.key_type == KEY_TKIP_MIC_GROUP) || - (wl_key.key_type == KEY_TKIP_MIC_PAIRWISE)) { + if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) || + (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) { /* * We get the key in the following form: * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) * but the target is expecting: * TKIP - RX MIC - TX MIC */ - memcpy(wl_key.key, key->key, 16); - memcpy(wl_key.key + 16, key->key + 24, 8); - memcpy(wl_key.key + 24, key->key + 16, 8); + memcpy(wl_cmd->key, key->key, 16); + memcpy(wl_cmd->key + 16, key->key + 24, 8); + memcpy(wl_cmd->key + 24, key->key + 16, 8); } else { - memcpy(wl_key.key, key->key, key->keylen); + memcpy(wl_cmd->key, key->key, key->keylen); } - wl_key.key_size = key->keylen; + wl_cmd->key_size = key->keylen; - wl_key.id = key->keyidx; - wl_key.ssid_profile = 0; + wl_cmd->id = key->keyidx; + wl_cmd->ssid_profile = 0; - wl12xx_dump(DEBUG_CRYPT, "TARGET KEY: ", &wl_key, sizeof(wl_key)); + wl1251_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd)); - if (wl12xx_cmd_send(wl, CMD_SET_KEYS, &wl_key, sizeof(wl_key)) < 0) { - wl12xx_error("Set KEY failed"); - ret = -EOPNOTSUPP; - goto out; + ret = wl1251_cmd_send(wl, CMD_SET_KEYS, wl_cmd, sizeof(*wl_cmd)); + if (ret < 0) { + wl1251_warning("could not set keys"); + goto out_sleep; } -out: +out_sleep: + wl1251_ps_elp_sleep(wl); + +out_unlock: mutex_unlock(&wl->mutex); + +out: + kfree(wl_cmd); + return ret; } -static int wl12xx_build_basic_rates(char *rates) +static int wl1251_build_basic_rates(char *rates) { u8 index = 0; @@ -748,7 +852,7 @@ static int wl12xx_build_basic_rates(char *rates) return index; } -static int wl12xx_build_extended_rates(char *rates) +static int wl1251_build_extended_rates(char *rates) { u8 index = 0; @@ -765,7 +869,7 @@ static int wl12xx_build_extended_rates(char *rates) } -static int wl12xx_build_probe_req(struct wl12xx *wl, u8 *ssid, size_t ssid_len) +static int wl1251_build_probe_req(struct wl1251 *wl, u8 *ssid, size_t ssid_len) { struct wl12xx_probe_req_template template; struct wl12xx_ie_rates *rates; @@ -792,31 +896,30 @@ static int wl12xx_build_probe_req(struct wl12xx *wl, u8 *ssid, size_t ssid_len) /* Basic Rates */ rates = (struct wl12xx_ie_rates *)ptr; rates->header.id = WLAN_EID_SUPP_RATES; - rates->header.len = wl12xx_build_basic_rates(rates->rates); + rates->header.len = wl1251_build_basic_rates(rates->rates); size += sizeof(struct wl12xx_ie_header) + rates->header.len; ptr += sizeof(struct wl12xx_ie_header) + rates->header.len; /* Extended rates */ rates = (struct wl12xx_ie_rates *)ptr; rates->header.id = WLAN_EID_EXT_SUPP_RATES; - rates->header.len = wl12xx_build_extended_rates(rates->rates); + rates->header.len = wl1251_build_extended_rates(rates->rates); size += sizeof(struct wl12xx_ie_header) + rates->header.len; - wl12xx_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size); + wl1251_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size); - return wl12xx_cmd_template_set(wl, CMD_PROBE_REQ, &template, + return wl1251_cmd_template_set(wl, CMD_PROBE_REQ, &template, size); } -static int wl12xx_hw_scan(struct wl12xx *wl, u8 *ssid, size_t len, +static int wl1251_hw_scan(struct wl1251 *wl, u8 *ssid, size_t len, u8 active_scan, u8 high_prio, u8 num_channels, u8 probe_requests) { + struct wl1251_cmd_trigger_scan_to *trigger = NULL; + struct cmd_scan *params = NULL; int i, ret; - u32 split_scan = 0; u16 scan_options = 0; - struct cmd_scan *params; - struct wl12xx_command *cmd_answer; if (wl->scanning) return -EINVAL; @@ -864,33 +967,38 @@ static int wl12xx_hw_scan(struct wl12xx *wl, u8 *ssid, size_t len, memset(params->params.ssid, 0, 32); } - ret = wl12xx_build_probe_req(wl, ssid, len); + ret = wl1251_build_probe_req(wl, ssid, len); if (ret < 0) { - wl12xx_error("PROBE request template failed"); + wl1251_error("PROBE request template failed"); goto out; } - ret = wl12xx_cmd_send(wl, CMD_TRIGGER_SCAN_TO, &split_scan, - sizeof(u32)); + trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); + if (!trigger) + goto out; + + trigger->timeout = 0; + + ret = wl1251_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, + sizeof(*trigger)); if (ret < 0) { - wl12xx_error("Split SCAN failed"); + wl1251_error("trigger scan to failed for hw scan"); goto out; } - wl12xx_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); + wl1251_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); wl->scanning = true; - ret = wl12xx_cmd_send(wl, CMD_SCAN, params, sizeof(*params)); + ret = wl1251_cmd_send(wl, CMD_SCAN, params, sizeof(*params)); if (ret < 0) - wl12xx_error("SCAN failed"); + wl1251_error("SCAN failed"); - wl12xx_spi_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params)); + wl1251_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params)); - cmd_answer = (struct wl12xx_command *) params; - if (cmd_answer->status != CMD_STATUS_SUCCESS) { - wl12xx_error("TEST command answer error: %d", - cmd_answer->status); + if (params->header.status != CMD_STATUS_SUCCESS) { + wl1251_error("TEST command answer error: %d", + params->header.status); wl->scanning = false; ret = -EIO; goto out; @@ -902,15 +1010,15 @@ out: } -static int wl12xx_op_hw_scan(struct ieee80211_hw *hw, +static int wl1251_op_hw_scan(struct ieee80211_hw *hw, struct cfg80211_scan_request *req) { - struct wl12xx *wl = hw->priv; + struct wl1251 *wl = hw->priv; int ret; u8 *ssid = NULL; size_t ssid_len = 0; - wl12xx_debug(DEBUG_MAC80211, "mac80211 hw scan"); + wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan"); if (req->n_ssids) { ssid = req->ssids[0].ssid; @@ -918,85 +1026,117 @@ static int wl12xx_op_hw_scan(struct ieee80211_hw *hw, } mutex_lock(&wl->mutex); - ret = wl12xx_hw_scan(hw->priv, ssid, ssid_len, 1, 0, 13, 3); + + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + ret = wl1251_hw_scan(hw->priv, ssid, ssid_len, 1, 0, 13, 3); + + wl1251_ps_elp_sleep(wl); + +out: mutex_unlock(&wl->mutex); return ret; } -static int wl12xx_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) +static int wl1251_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { - struct wl12xx *wl = hw->priv; + struct wl1251 *wl = hw->priv; int ret; - ret = wl12xx_acx_rts_threshold(wl, (u16) value); + mutex_lock(&wl->mutex); + + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + ret = wl1251_acx_rts_threshold(wl, (u16) value); if (ret < 0) - wl12xx_warning("wl12xx_op_set_rts_threshold failed: %d", ret); + wl1251_warning("wl1251_op_set_rts_threshold failed: %d", ret); + + wl1251_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); return ret; } -static void wl12xx_op_bss_info_changed(struct ieee80211_hw *hw, +static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, u32 changed) { - enum acx_ps_mode mode; - struct wl12xx *wl = hw->priv; + enum wl1251_cmd_ps_mode mode; + struct wl1251 *wl = hw->priv; struct sk_buff *beacon; int ret; - wl12xx_debug(DEBUG_MAC80211, "mac80211 bss info changed"); + wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed"); mutex_lock(&wl->mutex); + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + if (changed & BSS_CHANGED_ASSOC) { if (bss_conf->assoc) { + wl->beacon_int = bss_conf->beacon_int; + wl->dtim_period = bss_conf->dtim_period; + + /* FIXME: call join */ + wl->aid = bss_conf->aid; - ret = wl12xx_build_ps_poll(wl, wl->aid); + ret = wl1251_build_ps_poll(wl, wl->aid); if (ret < 0) - goto out; + goto out_sleep; - ret = wl12xx_acx_aid(wl, wl->aid); + ret = wl1251_acx_aid(wl, wl->aid); if (ret < 0) - goto out; + goto out_sleep; /* If we want to go in PSM but we're not there yet */ if (wl->psm_requested && !wl->psm) { mode = STATION_POWER_SAVE_MODE; - ret = wl12xx_ps_set_mode(wl, mode); + ret = wl1251_ps_set_mode(wl, mode); if (ret < 0) - goto out; + goto out_sleep; } + } else { + /* use defaults when not associated */ + wl->beacon_int = WL1251_DEFAULT_BEACON_INT; + wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; } } if (changed & BSS_CHANGED_ERP_SLOT) { if (bss_conf->use_short_slot) - ret = wl12xx_acx_slot(wl, SLOT_TIME_SHORT); + ret = wl1251_acx_slot(wl, SLOT_TIME_SHORT); else - ret = wl12xx_acx_slot(wl, SLOT_TIME_LONG); + ret = wl1251_acx_slot(wl, SLOT_TIME_LONG); if (ret < 0) { - wl12xx_warning("Set slot time failed %d", ret); - goto out; + wl1251_warning("Set slot time failed %d", ret); + goto out_sleep; } } if (changed & BSS_CHANGED_ERP_PREAMBLE) { if (bss_conf->use_short_preamble) - wl12xx_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); + wl1251_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); else - wl12xx_acx_set_preamble(wl, ACX_PREAMBLE_LONG); + wl1251_acx_set_preamble(wl, ACX_PREAMBLE_LONG); } if (changed & BSS_CHANGED_ERP_CTS_PROT) { if (bss_conf->use_cts_prot) - ret = wl12xx_acx_cts_protect(wl, CTSPROTECT_ENABLE); + ret = wl1251_acx_cts_protect(wl, CTSPROTECT_ENABLE); else - ret = wl12xx_acx_cts_protect(wl, CTSPROTECT_DISABLE); + ret = wl1251_acx_cts_protect(wl, CTSPROTECT_DISABLE); if (ret < 0) { - wl12xx_warning("Set ctsprotect failed %d", ret); + wl1251_warning("Set ctsprotect failed %d", ret); goto out; } } @@ -1004,20 +1144,23 @@ static void wl12xx_op_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_BSSID) { memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); - ret = wl12xx_build_null_data(wl); + ret = wl1251_build_null_data(wl); if (ret < 0) goto out; if (wl->bss_type != BSS_TYPE_IBSS) { - ret = wl12xx_cmd_join(wl, wl->bss_type, 5, 100, 1); + ret = wl1251_join(wl, wl->bss_type, wl->channel, + wl->beacon_int, wl->dtim_period); if (ret < 0) - goto out; + goto out_sleep; + wl1251_warning("Set ctsprotect failed %d", ret); + goto out_sleep; } } if (changed & BSS_CHANGED_BEACON) { beacon = ieee80211_beacon_get(hw, vif); - ret = wl12xx_cmd_template_set(wl, CMD_BEACON, beacon->data, + ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data, beacon->len); if (ret < 0) { @@ -1025,7 +1168,7 @@ static void wl12xx_op_bss_info_changed(struct ieee80211_hw *hw, goto out; } - ret = wl12xx_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, + ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, beacon->len); dev_kfree_skb(beacon); @@ -1033,19 +1176,23 @@ static void wl12xx_op_bss_info_changed(struct ieee80211_hw *hw, if (ret < 0) goto out; - ret = wl12xx_cmd_join(wl, wl->bss_type, 1, 100, 0); + ret = wl1251_join(wl, wl->bss_type, wl->beacon_int, + wl->channel, wl->dtim_period); if (ret < 0) goto out; } +out_sleep: + wl1251_ps_elp_sleep(wl); + out: mutex_unlock(&wl->mutex); } /* can't be const, mac80211 writes to this */ -static struct ieee80211_rate wl12xx_rates[] = { +static struct ieee80211_rate wl1251_rates[] = { { .bitrate = 10, .hw_value = 0x1, .hw_value_short = 0x1, }, @@ -1088,7 +1235,7 @@ static struct ieee80211_rate wl12xx_rates[] = { }; /* can't be const, mac80211 writes to this */ -static struct ieee80211_channel wl12xx_channels[] = { +static struct ieee80211_channel wl1251_channels[] = { { .hw_value = 1, .center_freq = 2412}, { .hw_value = 2, .center_freq = 2417}, { .hw_value = 3, .center_freq = 2422}, @@ -1105,28 +1252,28 @@ static struct ieee80211_channel wl12xx_channels[] = { }; /* can't be const, mac80211 writes to this */ -static struct ieee80211_supported_band wl12xx_band_2ghz = { - .channels = wl12xx_channels, - .n_channels = ARRAY_SIZE(wl12xx_channels), - .bitrates = wl12xx_rates, - .n_bitrates = ARRAY_SIZE(wl12xx_rates), +static struct ieee80211_supported_band wl1251_band_2ghz = { + .channels = wl1251_channels, + .n_channels = ARRAY_SIZE(wl1251_channels), + .bitrates = wl1251_rates, + .n_bitrates = ARRAY_SIZE(wl1251_rates), }; -static const struct ieee80211_ops wl12xx_ops = { - .start = wl12xx_op_start, - .stop = wl12xx_op_stop, - .add_interface = wl12xx_op_add_interface, - .remove_interface = wl12xx_op_remove_interface, - .config = wl12xx_op_config, - .configure_filter = wl12xx_op_configure_filter, - .tx = wl12xx_op_tx, - .set_key = wl12xx_op_set_key, - .hw_scan = wl12xx_op_hw_scan, - .bss_info_changed = wl12xx_op_bss_info_changed, - .set_rts_threshold = wl12xx_op_set_rts_threshold, +static const struct ieee80211_ops wl1251_ops = { + .start = wl1251_op_start, + .stop = wl1251_op_stop, + .add_interface = wl1251_op_add_interface, + .remove_interface = wl1251_op_remove_interface, + .config = wl1251_op_config, + .configure_filter = wl1251_op_configure_filter, + .tx = wl1251_op_tx, + .set_key = wl1251_op_set_key, + .hw_scan = wl1251_op_hw_scan, + .bss_info_changed = wl1251_op_bss_info_changed, + .set_rts_threshold = wl1251_op_set_rts_threshold, }; -static int wl12xx_register_hw(struct wl12xx *wl) +static int wl1251_register_hw(struct wl1251 *wl) { int ret; @@ -1137,22 +1284,24 @@ static int wl12xx_register_hw(struct wl12xx *wl) ret = ieee80211_register_hw(wl->hw); if (ret < 0) { - wl12xx_error("unable to register mac80211 hw: %d", ret); + wl1251_error("unable to register mac80211 hw: %d", ret); return ret; } wl->mac80211_registered = true; - wl12xx_notice("loaded"); + wl1251_notice("loaded"); return 0; } -static int wl12xx_init_ieee80211(struct wl12xx *wl) +int wl1251_init_ieee80211(struct wl1251 *wl) { + int ret; + /* The tx descriptor buffer and the TKIP space */ wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc) - + WL12XX_TKIP_IV_SPACE; + + WL1251_TKIP_IV_SPACE; /* unit us */ /* FIXME: find a proper value */ @@ -1163,48 +1312,46 @@ static int wl12xx_init_ieee80211(struct wl12xx *wl) wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); wl->hw->wiphy->max_scan_ssids = 1; - wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl12xx_band_2ghz; + wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz; - SET_IEEE80211_DEV(wl->hw, &wl->spi->dev); + ret = wl1251_register_hw(wl); + if (ret) + goto out; - return 0; + wl1251_debugfs_init(wl); + wl1251_notice("initialized"); + + ret = 0; + +out: + return ret; } +EXPORT_SYMBOL_GPL(wl1251_init_ieee80211); -#define WL12XX_DEFAULT_CHANNEL 1 -static int __devinit wl12xx_probe(struct spi_device *spi) +struct ieee80211_hw *wl1251_alloc_hw(void) { - struct wl12xx_platform_data *pdata; struct ieee80211_hw *hw; - struct wl12xx *wl; - int ret, i; + struct wl1251 *wl; + int i; static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; - pdata = spi->dev.platform_data; - if (!pdata) { - wl12xx_error("no platform data"); - return -ENODEV; - } - - hw = ieee80211_alloc_hw(sizeof(*wl), &wl12xx_ops); + hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops); if (!hw) { - wl12xx_error("could not alloc ieee80211_hw"); - return -ENOMEM; + wl1251_error("could not alloc ieee80211_hw"); + return ERR_PTR(-ENOMEM); } wl = hw->priv; memset(wl, 0, sizeof(*wl)); wl->hw = hw; - dev_set_drvdata(&spi->dev, wl); - wl->spi = spi; wl->data_in_count = 0; skb_queue_head_init(&wl->tx_queue); - INIT_WORK(&wl->tx_work, wl12xx_tx_work); - INIT_WORK(&wl->filter_work, wl12xx_filter_work); - wl->channel = WL12XX_DEFAULT_CHANNEL; + INIT_WORK(&wl->filter_work, wl1251_filter_work); + wl->channel = WL1251_DEFAULT_CHANNEL; wl->scanning = false; wl->default_key = 0; wl->listen_int = 1; @@ -1212,23 +1359,24 @@ static int __devinit wl12xx_probe(struct spi_device *spi) wl->rx_handled = 0; wl->rx_current_buffer = 0; wl->rx_last_id = 0; - wl->rx_config = WL12XX_DEFAULT_RX_CONFIG; - wl->rx_filter = WL12XX_DEFAULT_RX_FILTER; + wl->rx_config = WL1251_DEFAULT_RX_CONFIG; + wl->rx_filter = WL1251_DEFAULT_RX_FILTER; wl->elp = false; wl->psm = 0; wl->psm_requested = false; wl->tx_queue_stopped = false; - wl->power_level = WL12XX_DEFAULT_POWER_LEVEL; - - /* We use the default power on sleep time until we know which chip - * we're using */ - wl->chip.power_on_sleep = WL12XX_DEFAULT_POWER_ON_SLEEP; + wl->power_level = WL1251_DEFAULT_POWER_LEVEL; + wl->beacon_int = WL1251_DEFAULT_BEACON_INT; + wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) wl->tx_frames[i] = NULL; wl->next_tx_complete = 0; + INIT_WORK(&wl->irq_work, wl1251_irq_work); + INIT_WORK(&wl->tx_work, wl1251_tx_work); + /* * In case our MAC address is not correctly set, * we use a random but Nokia MAC. @@ -1236,123 +1384,45 @@ static int __devinit wl12xx_probe(struct spi_device *spi) memcpy(wl->mac_addr, nokia_oui, 3); get_random_bytes(wl->mac_addr + 3, 3); - wl->state = WL12XX_STATE_OFF; + wl->state = WL1251_STATE_OFF; mutex_init(&wl->mutex); wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; - /* This is the only SPI value that we need to set here, the rest - * comes from the board-peripherals file */ - spi->bits_per_word = 32; - - ret = spi_setup(spi); - if (ret < 0) { - wl12xx_error("spi_setup failed"); - goto out_free; - } - - wl->set_power = pdata->set_power; - if (!wl->set_power) { - wl12xx_error("set power function missing in platform data"); - return -ENODEV; - } - - wl->irq = spi->irq; - if (wl->irq < 0) { - wl12xx_error("irq missing in platform data"); - return -ENODEV; - } - - ret = request_irq(wl->irq, wl12xx_irq, 0, DRIVER_NAME, wl); - if (ret < 0) { - wl12xx_error("request_irq() failed: %d", ret); - goto out_free; + wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); + if (!wl->rx_descriptor) { + wl1251_error("could not allocate memory for rx descriptor"); + ieee80211_free_hw(hw); + return ERR_PTR(-ENOMEM); } - set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); - - disable_irq(wl->irq); - - ret = wl12xx_init_ieee80211(wl); - if (ret) - goto out_irq; - - ret = wl12xx_register_hw(wl); - if (ret) - goto out_irq; - - wl12xx_debugfs_init(wl); - - wl12xx_notice("initialized"); - - return 0; - - out_irq: - free_irq(wl->irq, wl); - - out_free: - ieee80211_free_hw(hw); - - return ret; + return hw; } +EXPORT_SYMBOL_GPL(wl1251_alloc_hw); -static int __devexit wl12xx_remove(struct spi_device *spi) +int wl1251_free_hw(struct wl1251 *wl) { - struct wl12xx *wl = dev_get_drvdata(&spi->dev); - ieee80211_unregister_hw(wl->hw); - wl12xx_debugfs_exit(wl); + wl1251_debugfs_exit(wl); - free_irq(wl->irq, wl); kfree(wl->target_mem_map); kfree(wl->data_path); kfree(wl->fw); wl->fw = NULL; kfree(wl->nvs); wl->nvs = NULL; - ieee80211_free_hw(wl->hw); - - return 0; -} - -static struct spi_driver wl12xx_spi_driver = { - .driver = { - .name = "wl12xx", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - }, + kfree(wl->rx_descriptor); + wl->rx_descriptor = NULL; - .probe = wl12xx_probe, - .remove = __devexit_p(wl12xx_remove), -}; - -static int __init wl12xx_init(void) -{ - int ret; - - ret = spi_register_driver(&wl12xx_spi_driver); - if (ret < 0) { - wl12xx_error("failed to register spi driver: %d", ret); - goto out; - } - -out: - return ret; -} - -static void __exit wl12xx_exit(void) -{ - spi_unregister_driver(&wl12xx_spi_driver); + ieee80211_free_hw(wl->hw); - wl12xx_notice("unloaded"); + return 0; } +EXPORT_SYMBOL_GPL(wl1251_free_hw); -module_init(wl12xx_init); -module_exit(wl12xx_exit); - +MODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core"); MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Kalle Valo <Kalle.Valo@nokia.com>, " - "Luciano Coelho <luciano.coelho@nokia.com>"); +MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>"); diff --git a/drivers/net/wireless/wl12xx/init.h b/drivers/net/wireless/wl12xx/wl1251_netlink.h index c8b6cd0b7c3e..ee36695e134e 100644 --- a/drivers/net/wireless/wl12xx/init.h +++ b/drivers/net/wireless/wl12xx/wl1251_netlink.h @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (C) 2009 Nokia Corporation * @@ -21,20 +21,10 @@ * */ -#ifndef __WL12XX_INIT_H__ -#define __WL12XX_INIT_H__ +#ifndef __WL1251_NETLINK_H__ +#define __WL1251_NETLINK_H__ -#include "wl12xx.h" +int wl1251_nl_register(void); +void wl1251_nl_unregister(void); -int wl12xx_hw_init_hwenc_config(struct wl12xx *wl); -int wl12xx_hw_init_templates_config(struct wl12xx *wl); -int wl12xx_hw_init_mem_config(struct wl12xx *wl); -int wl12xx_hw_init_rx_config(struct wl12xx *wl, u32 config, u32 filter); -int wl12xx_hw_init_phy_config(struct wl12xx *wl); -int wl12xx_hw_init_beacon_filter(struct wl12xx *wl); -int wl12xx_hw_init_pta(struct wl12xx *wl); -int wl12xx_hw_init_energy_detection(struct wl12xx *wl); -int wl12xx_hw_init_beacon_broadcast(struct wl12xx *wl); -int wl12xx_hw_init_power_auth(struct wl12xx *wl); - -#endif +#endif /* __WL1251_NETLINK_H__ */ diff --git a/drivers/net/wireless/wl12xx/ps.c b/drivers/net/wireless/wl12xx/wl1251_ps.c index 83a10117330b..c53e28727ed4 100644 --- a/drivers/net/wireless/wl12xx/ps.c +++ b/drivers/net/wireless/wl12xx/wl1251_ps.c @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (C) 2008 Nokia Corporation * @@ -21,26 +21,27 @@ * */ -#include "reg.h" -#include "ps.h" -#include "spi.h" +#include "wl1251_reg.h" +#include "wl1251_ps.h" +#include "wl1251_cmd.h" +#include "wl1251_io.h" -#define WL12XX_WAKEUP_TIMEOUT 2000 +#define WL1251_WAKEUP_TIMEOUT 2000 /* Routines to toggle sleep mode while in ELP */ -void wl12xx_ps_elp_sleep(struct wl12xx *wl) +void wl1251_ps_elp_sleep(struct wl1251 *wl) { if (wl->elp || !wl->psm) return; - wl12xx_debug(DEBUG_PSM, "chip to elp"); + wl1251_debug(DEBUG_PSM, "chip to elp"); - wl12xx_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP); + wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP); wl->elp = true; } -int wl12xx_ps_elp_wakeup(struct wl12xx *wl) +int wl1251_ps_elp_wakeup(struct wl1251 *wl) { unsigned long timeout; u32 elp_reg; @@ -48,13 +49,13 @@ int wl12xx_ps_elp_wakeup(struct wl12xx *wl) if (!wl->elp) return 0; - wl12xx_debug(DEBUG_PSM, "waking up chip from elp"); + wl1251_debug(DEBUG_PSM, "waking up chip from elp"); - timeout = jiffies + msecs_to_jiffies(WL12XX_WAKEUP_TIMEOUT); + timeout = jiffies + msecs_to_jiffies(WL1251_WAKEUP_TIMEOUT); - wl12xx_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP); + wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP); - elp_reg = wl12xx_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); + elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); /* * FIXME: we should wait for irq from chip but, as a temporary @@ -62,40 +63,36 @@ int wl12xx_ps_elp_wakeup(struct wl12xx *wl) */ while (!(elp_reg & ELPCTRL_WLAN_READY)) { if (time_after(jiffies, timeout)) { - wl12xx_error("elp wakeup timeout"); + wl1251_error("elp wakeup timeout"); return -ETIMEDOUT; } msleep(1); - elp_reg = wl12xx_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); + elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); } - wl12xx_debug(DEBUG_PSM, "wakeup time: %u ms", + wl1251_debug(DEBUG_PSM, "wakeup time: %u ms", jiffies_to_msecs(jiffies) - - (jiffies_to_msecs(timeout) - WL12XX_WAKEUP_TIMEOUT)); + (jiffies_to_msecs(timeout) - WL1251_WAKEUP_TIMEOUT)); wl->elp = false; return 0; } -static int wl12xx_ps_set_elp(struct wl12xx *wl, bool enable) +static int wl1251_ps_set_elp(struct wl1251 *wl, bool enable) { int ret; if (enable) { - wl12xx_debug(DEBUG_PSM, "sleep auth psm/elp"); + wl1251_debug(DEBUG_PSM, "sleep auth psm/elp"); - /* - * FIXME: we should PSM_ELP, but because of firmware wakeup - * problems let's use only PSM_PS - */ - ret = wl12xx_acx_sleep_auth(wl, WL12XX_PSM_PS); + ret = wl1251_acx_sleep_auth(wl, WL1251_PSM_ELP); if (ret < 0) return ret; - wl12xx_ps_elp_sleep(wl); + wl1251_ps_elp_sleep(wl); } else { - wl12xx_debug(DEBUG_PSM, "sleep auth cam"); + wl1251_debug(DEBUG_PSM, "sleep auth cam"); /* * When the target is in ELP, we can only @@ -104,9 +101,9 @@ static int wl12xx_ps_set_elp(struct wl12xx *wl, bool enable) * changing the power authorization. */ - wl12xx_ps_elp_wakeup(wl); + wl1251_ps_elp_wakeup(wl); - ret = wl12xx_acx_sleep_auth(wl, WL12XX_PSM_CAM); + ret = wl1251_acx_sleep_auth(wl, WL1251_PSM_CAM); if (ret < 0) return ret; } @@ -114,18 +111,25 @@ static int wl12xx_ps_set_elp(struct wl12xx *wl, bool enable) return 0; } -int wl12xx_ps_set_mode(struct wl12xx *wl, enum acx_ps_mode mode) +int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode) { int ret; switch (mode) { case STATION_POWER_SAVE_MODE: - wl12xx_debug(DEBUG_PSM, "entering psm"); - ret = wl12xx_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE); + wl1251_debug(DEBUG_PSM, "entering psm"); + + ret = wl1251_acx_wake_up_conditions(wl, + WAKE_UP_EVENT_DTIM_BITMAP, + wl->listen_int); if (ret < 0) return ret; - ret = wl12xx_ps_set_elp(wl, true); + ret = wl1251_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE); + if (ret < 0) + return ret; + + ret = wl1251_ps_set_elp(wl, true); if (ret < 0) return ret; @@ -133,12 +137,18 @@ int wl12xx_ps_set_mode(struct wl12xx *wl, enum acx_ps_mode mode) break; case STATION_ACTIVE_MODE: default: - wl12xx_debug(DEBUG_PSM, "leaving psm"); - ret = wl12xx_ps_set_elp(wl, false); + wl1251_debug(DEBUG_PSM, "leaving psm"); + ret = wl1251_ps_set_elp(wl, false); + if (ret < 0) + return ret; + + ret = wl1251_acx_wake_up_conditions(wl, + WAKE_UP_EVENT_DTIM_BITMAP, + wl->listen_int); if (ret < 0) return ret; - ret = wl12xx_cmd_ps_mode(wl, STATION_ACTIVE_MODE); + ret = wl1251_cmd_ps_mode(wl, STATION_ACTIVE_MODE); if (ret < 0) return ret; diff --git a/drivers/net/wireless/wl12xx/ps.h b/drivers/net/wireless/wl12xx/wl1251_ps.h index 5d7c52553830..db036fe12f25 100644 --- a/drivers/net/wireless/wl12xx/ps.h +++ b/drivers/net/wireless/wl12xx/wl1251_ps.h @@ -1,8 +1,8 @@ -#ifndef __WL12XX_PS_H__ -#define __WL12XX_PS_H__ +#ifndef __WL1251_PS_H__ +#define __WL1251_PS_H__ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation @@ -25,12 +25,12 @@ * */ -#include "wl12xx.h" -#include "acx.h" +#include "wl1251.h" +#include "wl1251_acx.h" -int wl12xx_ps_set_mode(struct wl12xx *wl, enum acx_ps_mode mode); -void wl12xx_ps_elp_sleep(struct wl12xx *wl); -int wl12xx_ps_elp_wakeup(struct wl12xx *wl); +int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode); +void wl1251_ps_elp_sleep(struct wl1251 *wl); +int wl1251_ps_elp_wakeup(struct wl1251 *wl); -#endif /* __WL12XX_PS_H__ */ +#endif /* __WL1251_PS_H__ */ diff --git a/drivers/net/wireless/wl12xx/wl1251_reg.h b/drivers/net/wireless/wl12xx/wl1251_reg.h new file mode 100644 index 000000000000..06e1bd94a739 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_reg.h @@ -0,0 +1,644 @@ +/* + * This file is part of wl12xx + * + * Copyright (c) 1998-2007 Texas Instruments Incorporated + * Copyright (C) 2008 Nokia Corporation + * + * Contact: Kalle Valo <kalle.valo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __REG_H__ +#define __REG_H__ + +#include <linux/bitops.h> + +#define REGISTERS_BASE 0x00300000 +#define DRPW_BASE 0x00310000 + +#define REGISTERS_DOWN_SIZE 0x00008800 +#define REGISTERS_WORK_SIZE 0x0000b000 + +#define HW_ACCESS_ELP_CTRL_REG_ADDR 0x1FFFC + +/* ELP register commands */ +#define ELPCTRL_WAKE_UP 0x1 +#define ELPCTRL_WAKE_UP_WLAN_READY 0x5 +#define ELPCTRL_SLEEP 0x0 +/* ELP WLAN_READY bit */ +#define ELPCTRL_WLAN_READY 0x2 + +/* Device Configuration registers*/ +#define SOR_CFG (REGISTERS_BASE + 0x0800) +#define ECPU_CTRL (REGISTERS_BASE + 0x0804) +#define HI_CFG (REGISTERS_BASE + 0x0808) +#define EE_START (REGISTERS_BASE + 0x080C) + +#define CHIP_ID_B (REGISTERS_BASE + 0x5674) + +#define CHIP_ID_1251_PG10 (0x7010101) +#define CHIP_ID_1251_PG11 (0x7020101) +#define CHIP_ID_1251_PG12 (0x7030101) + +#define ENABLE (REGISTERS_BASE + 0x5450) + +/* Power Management registers */ +#define ELP_CFG_MODE (REGISTERS_BASE + 0x5804) +#define ELP_CMD (REGISTERS_BASE + 0x5808) +#define PLL_CAL_TIME (REGISTERS_BASE + 0x5810) +#define CLK_REQ_TIME (REGISTERS_BASE + 0x5814) +#define CLK_BUF_TIME (REGISTERS_BASE + 0x5818) + +#define CFG_PLL_SYNC_CNT (REGISTERS_BASE + 0x5820) + +/* Scratch Pad registers*/ +#define SCR_PAD0 (REGISTERS_BASE + 0x5608) +#define SCR_PAD1 (REGISTERS_BASE + 0x560C) +#define SCR_PAD2 (REGISTERS_BASE + 0x5610) +#define SCR_PAD3 (REGISTERS_BASE + 0x5614) +#define SCR_PAD4 (REGISTERS_BASE + 0x5618) +#define SCR_PAD4_SET (REGISTERS_BASE + 0x561C) +#define SCR_PAD4_CLR (REGISTERS_BASE + 0x5620) +#define SCR_PAD5 (REGISTERS_BASE + 0x5624) +#define SCR_PAD5_SET (REGISTERS_BASE + 0x5628) +#define SCR_PAD5_CLR (REGISTERS_BASE + 0x562C) +#define SCR_PAD6 (REGISTERS_BASE + 0x5630) +#define SCR_PAD7 (REGISTERS_BASE + 0x5634) +#define SCR_PAD8 (REGISTERS_BASE + 0x5638) +#define SCR_PAD9 (REGISTERS_BASE + 0x563C) + +/* Spare registers*/ +#define SPARE_A1 (REGISTERS_BASE + 0x0994) +#define SPARE_A2 (REGISTERS_BASE + 0x0998) +#define SPARE_A3 (REGISTERS_BASE + 0x099C) +#define SPARE_A4 (REGISTERS_BASE + 0x09A0) +#define SPARE_A5 (REGISTERS_BASE + 0x09A4) +#define SPARE_A6 (REGISTERS_BASE + 0x09A8) +#define SPARE_A7 (REGISTERS_BASE + 0x09AC) +#define SPARE_A8 (REGISTERS_BASE + 0x09B0) +#define SPARE_B1 (REGISTERS_BASE + 0x5420) +#define SPARE_B2 (REGISTERS_BASE + 0x5424) +#define SPARE_B3 (REGISTERS_BASE + 0x5428) +#define SPARE_B4 (REGISTERS_BASE + 0x542C) +#define SPARE_B5 (REGISTERS_BASE + 0x5430) +#define SPARE_B6 (REGISTERS_BASE + 0x5434) +#define SPARE_B7 (REGISTERS_BASE + 0x5438) +#define SPARE_B8 (REGISTERS_BASE + 0x543C) + +enum wl12xx_acx_int_reg { + ACX_REG_INTERRUPT_TRIG, + ACX_REG_INTERRUPT_TRIG_H, + +/*============================================= + Host Interrupt Mask Register - 32bit (RW) + ------------------------------------------ + Setting a bit in this register masks the + corresponding interrupt to the host. + 0 - RX0 - Rx first dubble buffer Data Interrupt + 1 - TXD - Tx Data Interrupt + 2 - TXXFR - Tx Transfer Interrupt + 3 - RX1 - Rx second dubble buffer Data Interrupt + 4 - RXXFR - Rx Transfer Interrupt + 5 - EVENT_A - Event Mailbox interrupt + 6 - EVENT_B - Event Mailbox interrupt + 7 - WNONHST - Wake On Host Interrupt + 8 - TRACE_A - Debug Trace interrupt + 9 - TRACE_B - Debug Trace interrupt + 10 - CDCMP - Command Complete Interrupt + 11 - + 12 - + 13 - + 14 - ICOMP - Initialization Complete Interrupt + 16 - SG SE - Soft Gemini - Sense enable interrupt + 17 - SG SD - Soft Gemini - Sense disable interrupt + 18 - - + 19 - - + 20 - - + 21- - + Default: 0x0001 +*==============================================*/ + ACX_REG_INTERRUPT_MASK, + +/*============================================= + Host Interrupt Mask Set 16bit, (Write only) + ------------------------------------------ + Setting a bit in this register sets + the corresponding bin in ACX_HINT_MASK register + without effecting the mask + state of other bits (0 = no effect). +==============================================*/ + ACX_REG_HINT_MASK_SET, + +/*============================================= + Host Interrupt Mask Clear 16bit,(Write only) + ------------------------------------------ + Setting a bit in this register clears + the corresponding bin in ACX_HINT_MASK register + without effecting the mask + state of other bits (0 = no effect). +=============================================*/ + ACX_REG_HINT_MASK_CLR, + +/*============================================= + Host Interrupt Status Nondestructive Read + 16bit,(Read only) + ------------------------------------------ + The host can read this register to determine + which interrupts are active. + Reading this register doesn't + effect its content. +=============================================*/ + ACX_REG_INTERRUPT_NO_CLEAR, + +/*============================================= + Host Interrupt Status Clear on Read Register + 16bit,(Read only) + ------------------------------------------ + The host can read this register to determine + which interrupts are active. + Reading this register clears it, + thus making all interrupts inactive. +==============================================*/ + ACX_REG_INTERRUPT_CLEAR, + +/*============================================= + Host Interrupt Acknowledge Register + 16bit,(Write only) + ------------------------------------------ + The host can set individual bits in this + register to clear (acknowledge) the corresp. + interrupt status bits in the HINT_STS_CLR and + HINT_STS_ND registers, thus making the + assotiated interrupt inactive. (0-no effect) +==============================================*/ + ACX_REG_INTERRUPT_ACK, + +/*=============================================== + Host Software Reset - 32bit RW + ------------------------------------------ + [31:1] Reserved + 0 SOFT_RESET Soft Reset - When this bit is set, + it holds the Wlan hardware in a soft reset state. + This reset disables all MAC and baseband processor + clocks except the CardBus/PCI interface clock. + It also initializes all MAC state machines except + the host interface. It does not reload the + contents of the EEPROM. When this bit is cleared + (not self-clearing), the Wlan hardware + exits the software reset state. +===============================================*/ + ACX_REG_SLV_SOFT_RESET, + +/*=============================================== + EEPROM Burst Read Start - 32bit RW + ------------------------------------------ + [31:1] Reserved + 0 ACX_EE_START - EEPROM Burst Read Start 0 + Setting this bit starts a burst read from + the external EEPROM. + If this bit is set (after reset) before an EEPROM read/write, + the burst read starts at EEPROM address 0. + Otherwise, it starts at the address + following the address of the previous access. + TheWlan hardware hardware clears this bit automatically. + + Default: 0x00000000 +*================================================*/ + ACX_REG_EE_START, + +/* Embedded ARM CPU Control */ + +/*=============================================== + Halt eCPU - 32bit RW + ------------------------------------------ + 0 HALT_ECPU Halt Embedded CPU - This bit is the + compliment of bit 1 (MDATA2) in the SOR_CFG register. + During a hardware reset, this bit holds + the inverse of MDATA2. + When downloading firmware from the host, + set this bit (pull down MDATA2). + The host clears this bit after downloading the firmware into + zero-wait-state SSRAM. + When loading firmware from Flash, clear this bit (pull up MDATA2) + so that the eCPU can run the bootloader code in Flash + HALT_ECPU eCPU State + -------------------- + 1 halt eCPU + 0 enable eCPU + ===============================================*/ + ACX_REG_ECPU_CONTROL, + + ACX_REG_TABLE_LEN +}; + +#define ACX_SLV_SOFT_RESET_BIT BIT(0) +#define ACX_REG_EEPROM_START_BIT BIT(0) + +/* Command/Information Mailbox Pointers */ + +/*=============================================== + Command Mailbox Pointer - 32bit RW + ------------------------------------------ + This register holds the start address of + the command mailbox located in the Wlan hardware memory. + The host must read this pointer after a reset to + find the location of the command mailbox. + The Wlan hardware initializes the command mailbox + pointer with the default address of the command mailbox. + The command mailbox pointer is not valid until after + the host receives the Init Complete interrupt from + the Wlan hardware. + ===============================================*/ +#define REG_COMMAND_MAILBOX_PTR (SCR_PAD0) + +/*=============================================== + Information Mailbox Pointer - 32bit RW + ------------------------------------------ + This register holds the start address of + the information mailbox located in the Wlan hardware memory. + The host must read this pointer after a reset to find + the location of the information mailbox. + The Wlan hardware initializes the information mailbox pointer + with the default address of the information mailbox. + The information mailbox pointer is not valid + until after the host receives the Init Complete interrupt from + the Wlan hardware. + ===============================================*/ +#define REG_EVENT_MAILBOX_PTR (SCR_PAD1) + + +/* Misc */ + +#define REG_ENABLE_TX_RX (ENABLE) +/* + * Rx configuration (filter) information element + * --------------------------------------------- + */ +#define REG_RX_CONFIG (RX_CFG) +#define REG_RX_FILTER (RX_FILTER_CFG) + + +#define RX_CFG_ENABLE_PHY_HEADER_PLCP 0x0002 + +/* promiscuous - receives all valid frames */ +#define RX_CFG_PROMISCUOUS 0x0008 + +/* receives frames from any BSSID */ +#define RX_CFG_BSSID 0x0020 + +/* receives frames destined to any MAC address */ +#define RX_CFG_MAC 0x0010 + +#define RX_CFG_ENABLE_ONLY_MY_DEST_MAC 0x0010 +#define RX_CFG_ENABLE_ANY_DEST_MAC 0x0000 +#define RX_CFG_ENABLE_ONLY_MY_BSSID 0x0020 +#define RX_CFG_ENABLE_ANY_BSSID 0x0000 + +/* discards all broadcast frames */ +#define RX_CFG_DISABLE_BCAST 0x0200 + +#define RX_CFG_ENABLE_ONLY_MY_SSID 0x0400 +#define RX_CFG_ENABLE_RX_CMPLT_FCS_ERROR 0x0800 +#define RX_CFG_COPY_RX_STATUS 0x2000 +#define RX_CFG_TSF 0x10000 + +#define RX_CONFIG_OPTION_ANY_DST_MY_BSS (RX_CFG_ENABLE_ANY_DEST_MAC | \ + RX_CFG_ENABLE_ONLY_MY_BSSID) + +#define RX_CONFIG_OPTION_MY_DST_ANY_BSS (RX_CFG_ENABLE_ONLY_MY_DEST_MAC\ + | RX_CFG_ENABLE_ANY_BSSID) + +#define RX_CONFIG_OPTION_ANY_DST_ANY_BSS (RX_CFG_ENABLE_ANY_DEST_MAC | \ + RX_CFG_ENABLE_ANY_BSSID) + +#define RX_CONFIG_OPTION_MY_DST_MY_BSS (RX_CFG_ENABLE_ONLY_MY_DEST_MAC\ + | RX_CFG_ENABLE_ONLY_MY_BSSID) + +#define RX_CONFIG_OPTION_FOR_SCAN (RX_CFG_ENABLE_PHY_HEADER_PLCP \ + | RX_CFG_ENABLE_RX_CMPLT_FCS_ERROR \ + | RX_CFG_COPY_RX_STATUS | RX_CFG_TSF) + +#define RX_CONFIG_OPTION_FOR_MEASUREMENT (RX_CFG_ENABLE_ANY_DEST_MAC) + +#define RX_CONFIG_OPTION_FOR_JOIN (RX_CFG_ENABLE_ONLY_MY_BSSID | \ + RX_CFG_ENABLE_ONLY_MY_DEST_MAC) + +#define RX_CONFIG_OPTION_FOR_IBSS_JOIN (RX_CFG_ENABLE_ONLY_MY_SSID | \ + RX_CFG_ENABLE_ONLY_MY_DEST_MAC) + +#define RX_FILTER_OPTION_DEF (CFG_RX_MGMT_EN | CFG_RX_DATA_EN\ + | CFG_RX_CTL_EN | CFG_RX_BCN_EN\ + | CFG_RX_AUTH_EN | CFG_RX_ASSOC_EN) + +#define RX_FILTER_OPTION_FILTER_ALL 0 + +#define RX_FILTER_OPTION_DEF_PRSP_BCN (CFG_RX_PRSP_EN | CFG_RX_MGMT_EN\ + | CFG_RX_RCTS_ACK | CFG_RX_BCN_EN) + +#define RX_FILTER_OPTION_JOIN (CFG_RX_MGMT_EN | CFG_RX_DATA_EN\ + | CFG_RX_BCN_EN | CFG_RX_AUTH_EN\ + | CFG_RX_ASSOC_EN | CFG_RX_RCTS_ACK\ + | CFG_RX_PRSP_EN) + + +/*=============================================== + EEPROM Read/Write Request 32bit RW + ------------------------------------------ + 1 EE_READ - EEPROM Read Request 1 - Setting this bit + loads a single byte of data into the EE_DATA + register from the EEPROM location specified in + the EE_ADDR register. + The Wlan hardware hardware clears this bit automatically. + EE_DATA is valid when this bit is cleared. + + 0 EE_WRITE - EEPROM Write Request - Setting this bit + writes a single byte of data from the EE_DATA register into the + EEPROM location specified in the EE_ADDR register. + The Wlan hardware hardware clears this bit automatically. +*===============================================*/ +#define ACX_EE_CTL_REG EE_CTL +#define EE_WRITE 0x00000001ul +#define EE_READ 0x00000002ul + +/*=============================================== + EEPROM Address - 32bit RW + ------------------------------------------ + This register specifies the address + within the EEPROM from/to which to read/write data. + ===============================================*/ +#define ACX_EE_ADDR_REG EE_ADDR + +/*=============================================== + EEPROM Data - 32bit RW + ------------------------------------------ + This register either holds the read 8 bits of + data from the EEPROM or the write data + to be written to the EEPROM. + ===============================================*/ +#define ACX_EE_DATA_REG EE_DATA + +/*=============================================== + EEPROM Base Address - 32bit RW + ------------------------------------------ + This register holds the upper nine bits + [23:15] of the 24-bit Wlan hardware memory + address for burst reads from EEPROM accesses. + The EEPROM provides the lower 15 bits of this address. + The MSB of the address from the EEPROM is ignored. + ===============================================*/ +#define ACX_EE_CFG EE_CFG + +/*=============================================== + GPIO Output Values -32bit, RW + ------------------------------------------ + [31:16] Reserved + [15: 0] Specify the output values (at the output driver inputs) for + GPIO[15:0], respectively. + ===============================================*/ +#define ACX_GPIO_OUT_REG GPIO_OUT +#define ACX_MAX_GPIO_LINES 15 + +/*=============================================== + Contention window -32bit, RW + ------------------------------------------ + [31:26] Reserved + [25:16] Max (0x3ff) + [15:07] Reserved + [06:00] Current contention window value - default is 0x1F + ===============================================*/ +#define ACX_CONT_WIND_CFG_REG CONT_WIND_CFG +#define ACX_CONT_WIND_MIN_MASK 0x0000007f +#define ACX_CONT_WIND_MAX 0x03ff0000 + +/*=============================================== + HI_CFG Interface Configuration Register Values + ------------------------------------------ + ===============================================*/ +#define HI_CFG_UART_ENABLE 0x00000004 +#define HI_CFG_RST232_ENABLE 0x00000008 +#define HI_CFG_CLOCK_REQ_SELECT 0x00000010 +#define HI_CFG_HOST_INT_ENABLE 0x00000020 +#define HI_CFG_VLYNQ_OUTPUT_ENABLE 0x00000040 +#define HI_CFG_HOST_INT_ACTIVE_LOW 0x00000080 +#define HI_CFG_UART_TX_OUT_GPIO_15 0x00000100 +#define HI_CFG_UART_TX_OUT_GPIO_14 0x00000200 +#define HI_CFG_UART_TX_OUT_GPIO_7 0x00000400 + +/* + * NOTE: USE_ACTIVE_HIGH compilation flag should be defined in makefile + * for platforms using active high interrupt level + */ +#ifdef USE_ACTIVE_HIGH +#define HI_CFG_DEF_VAL \ + (HI_CFG_UART_ENABLE | \ + HI_CFG_RST232_ENABLE | \ + HI_CFG_CLOCK_REQ_SELECT | \ + HI_CFG_HOST_INT_ENABLE) +#else +#define HI_CFG_DEF_VAL \ + (HI_CFG_UART_ENABLE | \ + HI_CFG_RST232_ENABLE | \ + HI_CFG_CLOCK_REQ_SELECT | \ + HI_CFG_HOST_INT_ENABLE) + +#endif + +#define REF_FREQ_19_2 0 +#define REF_FREQ_26_0 1 +#define REF_FREQ_38_4 2 +#define REF_FREQ_40_0 3 +#define REF_FREQ_33_6 4 +#define REF_FREQ_NUM 5 + +#define LUT_PARAM_INTEGER_DIVIDER 0 +#define LUT_PARAM_FRACTIONAL_DIVIDER 1 +#define LUT_PARAM_ATTN_BB 2 +#define LUT_PARAM_ALPHA_BB 3 +#define LUT_PARAM_STOP_TIME_BB 4 +#define LUT_PARAM_BB_PLL_LOOP_FILTER 5 +#define LUT_PARAM_NUM 6 + +#define ACX_EEPROMLESS_IND_REG (SCR_PAD4) +#define USE_EEPROM 0 +#define SOFT_RESET_MAX_TIME 1000000 +#define SOFT_RESET_STALL_TIME 1000 +#define NVS_DATA_BUNDARY_ALIGNMENT 4 + + +/* Firmware image load chunk size */ +#define CHUNK_SIZE 512 + +/* Firmware image header size */ +#define FW_HDR_SIZE 8 + +#define ECPU_CONTROL_HALT 0x00000101 + + +/****************************************************************************** + + CHANNELS, BAND & REG DOMAINS definitions + +******************************************************************************/ + + +enum { + RADIO_BAND_2_4GHZ = 0, /* 2.4 Ghz band */ + RADIO_BAND_5GHZ = 1, /* 5 Ghz band */ + RADIO_BAND_JAPAN_4_9_GHZ = 2, + DEFAULT_BAND = RADIO_BAND_2_4GHZ, + INVALID_BAND = 0xFE, + MAX_RADIO_BANDS = 0xFF +}; + +enum { + NO_RATE = 0, + RATE_1MBPS = 0x0A, + RATE_2MBPS = 0x14, + RATE_5_5MBPS = 0x37, + RATE_6MBPS = 0x0B, + RATE_9MBPS = 0x0F, + RATE_11MBPS = 0x6E, + RATE_12MBPS = 0x0A, + RATE_18MBPS = 0x0E, + RATE_22MBPS = 0xDC, + RATE_24MBPS = 0x09, + RATE_36MBPS = 0x0D, + RATE_48MBPS = 0x08, + RATE_54MBPS = 0x0C +}; + +enum { + RATE_INDEX_1MBPS = 0, + RATE_INDEX_2MBPS = 1, + RATE_INDEX_5_5MBPS = 2, + RATE_INDEX_6MBPS = 3, + RATE_INDEX_9MBPS = 4, + RATE_INDEX_11MBPS = 5, + RATE_INDEX_12MBPS = 6, + RATE_INDEX_18MBPS = 7, + RATE_INDEX_22MBPS = 8, + RATE_INDEX_24MBPS = 9, + RATE_INDEX_36MBPS = 10, + RATE_INDEX_48MBPS = 11, + RATE_INDEX_54MBPS = 12, + RATE_INDEX_MAX = RATE_INDEX_54MBPS, + MAX_RATE_INDEX, + INVALID_RATE_INDEX = MAX_RATE_INDEX, + RATE_INDEX_ENUM_MAX_SIZE = 0x7FFFFFFF +}; + +enum { + RATE_MASK_1MBPS = 0x1, + RATE_MASK_2MBPS = 0x2, + RATE_MASK_5_5MBPS = 0x4, + RATE_MASK_11MBPS = 0x20, +}; + +#define SHORT_PREAMBLE_BIT BIT(0) /* CCK or Barker depending on the rate */ +#define OFDM_RATE_BIT BIT(6) +#define PBCC_RATE_BIT BIT(7) + +enum { + CCK_LONG = 0, + CCK_SHORT = SHORT_PREAMBLE_BIT, + PBCC_LONG = PBCC_RATE_BIT, + PBCC_SHORT = PBCC_RATE_BIT | SHORT_PREAMBLE_BIT, + OFDM = OFDM_RATE_BIT +}; + +/****************************************************************************** + +Transmit-Descriptor RATE-SET field definitions... + +Define a new "Rate-Set" for TX path that incorporates the +Rate & Modulation info into a single 16-bit field. + +TxdRateSet_t: +b15 - Indicates Preamble type (1=SHORT, 0=LONG). + Notes: + Must be LONG (0) for 1Mbps rate. + Does not apply (set to 0) for RevG-OFDM rates. +b14 - Indicates PBCC encoding (1=PBCC, 0=not). + Notes: + Does not apply (set to 0) for rates 1 and 2 Mbps. + Does not apply (set to 0) for RevG-OFDM rates. +b13 - Unused (set to 0). +b12-b0 - Supported Rate indicator bits as defined below. + +******************************************************************************/ + + +/************************************************************************* + + Interrupt Trigger Register (Host -> WiLink) + +**************************************************************************/ + +/* Hardware to Embedded CPU Interrupts - first 32-bit register set */ + +/* + * Host Command Interrupt. Setting this bit masks + * the interrupt that the host issues to inform + * the FW that it has sent a command + * to the Wlan hardware Command Mailbox. + */ +#define INTR_TRIG_CMD BIT(0) + +/* + * Host Event Acknowlegde Interrupt. The host + * sets this bit to acknowledge that it received + * the unsolicited information from the event + * mailbox. + */ +#define INTR_TRIG_EVENT_ACK BIT(1) + +/* + * The host sets this bit to inform the Wlan + * FW that a TX packet is in the XFER + * Buffer #0. + */ +#define INTR_TRIG_TX_PROC0 BIT(2) + +/* + * The host sets this bit to inform the FW + * that it read a packet from RX XFER + * Buffer #0. + */ +#define INTR_TRIG_RX_PROC0 BIT(3) + +#define INTR_TRIG_DEBUG_ACK BIT(4) + +#define INTR_TRIG_STATE_CHANGED BIT(5) + + +/* Hardware to Embedded CPU Interrupts - second 32-bit register set */ + +/* + * The host sets this bit to inform the FW + * that it read a packet from RX XFER + * Buffer #1. + */ +#define INTR_TRIG_RX_PROC1 BIT(17) + +/* + * The host sets this bit to inform the Wlan + * hardware that a TX packet is in the XFER + * Buffer #1. + */ +#define INTR_TRIG_TX_PROC1 BIT(18) + +#endif diff --git a/drivers/net/wireless/wl12xx/rx.c b/drivers/net/wireless/wl12xx/wl1251_rx.c index 981ea259eb89..17c54b59ef86 100644 --- a/drivers/net/wireless/wl12xx/rx.c +++ b/drivers/net/wireless/wl12xx/wl1251_rx.c @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation @@ -25,13 +25,15 @@ #include <linux/skbuff.h> #include <net/mac80211.h> -#include "wl12xx.h" -#include "reg.h" -#include "spi.h" -#include "rx.h" +#include "wl1251.h" +#include "wl1251_reg.h" +#include "wl1251_io.h" +#include "wl1251_rx.h" +#include "wl1251_cmd.h" +#include "wl1251_acx.h" -static void wl12xx_rx_header(struct wl12xx *wl, - struct wl12xx_rx_descriptor *desc) +static void wl1251_rx_header(struct wl1251 *wl, + struct wl1251_rx_descriptor *desc) { u32 rx_packet_ring_addr; @@ -39,15 +41,17 @@ static void wl12xx_rx_header(struct wl12xx *wl, if (wl->rx_current_buffer) rx_packet_ring_addr += wl->data_path->rx_packet_ring_chunk_size; - wl12xx_spi_mem_read(wl, rx_packet_ring_addr, desc, - sizeof(struct wl12xx_rx_descriptor)); + wl1251_mem_read(wl, rx_packet_ring_addr, desc, sizeof(*desc)); } -static void wl12xx_rx_status(struct wl12xx *wl, - struct wl12xx_rx_descriptor *desc, +static void wl1251_rx_status(struct wl1251 *wl, + struct wl1251_rx_descriptor *desc, struct ieee80211_rx_status *status, u8 beacon) { + u64 mactime; + int ret; + memset(status, 0, sizeof(struct ieee80211_rx_status)); status->band = IEEE80211_BAND_2GHZ; @@ -62,32 +66,14 @@ static void wl12xx_rx_status(struct wl12xx *wl, * this one must be atomic, while our SPI routines can sleep. */ if ((wl->bss_type == BSS_TYPE_IBSS) && beacon) { - u64 mactime; - int ret; - struct wl12xx_command cmd; - struct acx_tsf_info *tsf_info; - - memset(&cmd, 0, sizeof(cmd)); - - ret = wl12xx_cmd_interrogate(wl, ACX_TSF_INFO, - sizeof(struct acx_tsf_info), - &cmd); - if (ret < 0) { - wl12xx_warning("ACX_FW_REV interrogate failed"); - return; - } - - tsf_info = (struct acx_tsf_info *)&(cmd.parameters); - - mactime = tsf_info->current_tsf_lsb | - (tsf_info->current_tsf_msb << 31); - - status->mactime = mactime; + ret = wl1251_acx_tsf_info(wl, &mactime); + if (ret == 0) + status->mactime = mactime; } status->signal = desc->rssi; - status->qual = (desc->rssi - WL12XX_RX_MIN_RSSI) * 100 / - (WL12XX_RX_MAX_RSSI - WL12XX_RX_MIN_RSSI); + status->qual = (desc->rssi - WL1251_RX_MIN_RSSI) * 100 / + (WL1251_RX_MAX_RSSI - WL1251_RX_MIN_RSSI); status->qual = min(status->qual, 100); status->qual = max(status->qual, 0); @@ -118,8 +104,8 @@ static void wl12xx_rx_status(struct wl12xx *wl, /* FIXME: set status->rate_idx */ } -static void wl12xx_rx_body(struct wl12xx *wl, - struct wl12xx_rx_descriptor *desc) +static void wl1251_rx_body(struct wl1251 *wl, + struct wl1251_rx_descriptor *desc) { struct sk_buff *skb; struct ieee80211_rx_status status; @@ -127,12 +113,12 @@ static void wl12xx_rx_body(struct wl12xx *wl, u16 length, *fc; u32 curr_id, last_id_inc, rx_packet_ring_addr; - length = WL12XX_RX_ALIGN(desc->length - PLCP_HEADER_LENGTH); + length = WL1251_RX_ALIGN(desc->length - PLCP_HEADER_LENGTH); curr_id = (desc->flags & RX_DESC_SEQNUM_MASK) >> RX_DESC_PACKETID_SHIFT; last_id_inc = (wl->rx_last_id + 1) % (RX_MAX_PACKET_ID + 1); if (last_id_inc != curr_id) { - wl12xx_warning("curr ID:%d, last ID inc:%d", + wl1251_warning("curr ID:%d, last ID inc:%d", curr_id, last_id_inc); wl->rx_last_id = curr_id; } else { @@ -140,18 +126,18 @@ static void wl12xx_rx_body(struct wl12xx *wl, } rx_packet_ring_addr = wl->data_path->rx_packet_ring_addr + - sizeof(struct wl12xx_rx_descriptor) + 20; + sizeof(struct wl1251_rx_descriptor) + 20; if (wl->rx_current_buffer) rx_packet_ring_addr += wl->data_path->rx_packet_ring_chunk_size; skb = dev_alloc_skb(length); if (!skb) { - wl12xx_error("Couldn't allocate RX frame"); + wl1251_error("Couldn't allocate RX frame"); return; } rx_buffer = skb_put(skb, length); - wl12xx_spi_mem_read(wl, rx_packet_ring_addr, rx_buffer, length); + wl1251_mem_read(wl, rx_packet_ring_addr, rx_buffer, length); /* The actual lenght doesn't include the target's alignment */ skb->len = desc->length - PLCP_HEADER_LENGTH; @@ -161,15 +147,16 @@ static void wl12xx_rx_body(struct wl12xx *wl, if ((*fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON) beacon = 1; - wl12xx_rx_status(wl, desc, &status, beacon); + wl1251_rx_status(wl, desc, &status, beacon); - wl12xx_debug(DEBUG_RX, "rx skb 0x%p: %d B %s", skb, skb->len, + wl1251_debug(DEBUG_RX, "rx skb 0x%p: %d B %s", skb, skb->len, beacon ? "beacon" : ""); - ieee80211_rx(wl->hw, skb, &status); + memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); + ieee80211_rx(wl->hw, skb); } -static void wl12xx_rx_ack(struct wl12xx *wl) +static void wl1251_rx_ack(struct wl1251 *wl) { u32 data, addr; @@ -181,28 +168,30 @@ static void wl12xx_rx_ack(struct wl12xx *wl) data = INTR_TRIG_RX_PROC0; } - wl12xx_reg_write32(wl, addr, data); + wl1251_reg_write32(wl, addr, data); /* Toggle buffer ring */ wl->rx_current_buffer = !wl->rx_current_buffer; } -void wl12xx_rx(struct wl12xx *wl) +void wl1251_rx(struct wl1251 *wl) { - struct wl12xx_rx_descriptor rx_desc; + struct wl1251_rx_descriptor *rx_desc; - if (wl->state != WL12XX_STATE_ON) + if (wl->state != WL1251_STATE_ON) return; + rx_desc = wl->rx_descriptor; + /* We first read the frame's header */ - wl12xx_rx_header(wl, &rx_desc); + wl1251_rx_header(wl, rx_desc); /* Now we can read the body */ - wl12xx_rx_body(wl, &rx_desc); + wl1251_rx_body(wl, rx_desc); /* Finally, we need to ACK the RX */ - wl12xx_rx_ack(wl); + wl1251_rx_ack(wl); return; } diff --git a/drivers/net/wireless/wl12xx/rx.h b/drivers/net/wireless/wl12xx/wl1251_rx.h index 8a23fdea5016..563a3fde40fb 100644 --- a/drivers/net/wireless/wl12xx/rx.h +++ b/drivers/net/wireless/wl12xx/wl1251_rx.h @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation @@ -22,11 +22,13 @@ * */ -#ifndef __WL12XX_RX_H__ -#define __WL12XX_RX_H__ +#ifndef __WL1251_RX_H__ +#define __WL1251_RX_H__ #include <linux/bitops.h> +#include "wl1251.h" + /* * RX PATH * @@ -43,12 +45,12 @@ * 4) The target prepares the next RX packet. */ -#define WL12XX_RX_MAX_RSSI -30 -#define WL12XX_RX_MIN_RSSI -95 +#define WL1251_RX_MAX_RSSI -30 +#define WL1251_RX_MIN_RSSI -95 -#define WL12XX_RX_ALIGN_TO 4 -#define WL12XX_RX_ALIGN(len) (((len) + WL12XX_RX_ALIGN_TO - 1) & \ - ~(WL12XX_RX_ALIGN_TO - 1)) +#define WL1251_RX_ALIGN_TO 4 +#define WL1251_RX_ALIGN(len) (((len) + WL1251_RX_ALIGN_TO - 1) & \ + ~(WL1251_RX_ALIGN_TO - 1)) #define SHORT_PREAMBLE_BIT BIT(0) #define OFDM_RATE_BIT BIT(6) @@ -72,7 +74,7 @@ #define RX_DESC_MIC_FAIL 0x2000 #define RX_DESC_DECRYPT_FAIL 0x4000 -struct wl12xx_rx_descriptor { +struct wl1251_rx_descriptor { u32 timestamp; /* In microseconds */ u16 length; /* Paylod length, including headers */ u16 flags; @@ -86,7 +88,7 @@ struct wl12xx_rx_descriptor { u8 type; /* - * Recevied Rate: + * Received Rate: * 0x0A - 1MBPS * 0x14 - 2MBPS * 0x37 - 5_5MBPS @@ -117,6 +119,6 @@ struct wl12xx_rx_descriptor { u8 snr; /* in dB */ } __attribute__ ((packed)); -void wl12xx_rx(struct wl12xx *wl); +void wl1251_rx(struct wl1251 *wl); #endif diff --git a/drivers/net/wireless/wl12xx/wl1251_sdio.c b/drivers/net/wireless/wl12xx/wl1251_sdio.c new file mode 100644 index 000000000000..9423f22bdced --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_sdio.c @@ -0,0 +1,205 @@ +/* + * wl12xx SDIO routines + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + * Copyright (C) 2005 Texas Instruments Incorporated + * Copyright (C) 2008 Google Inc + * Copyright (C) 2009 Bob Copeland (me@bobcopeland.com) + */ +#include <linux/module.h> +#include <linux/crc7.h> +#include <linux/mod_devicetable.h> +#include <linux/irq.h> +#include <linux/mmc/sdio_func.h> +#include <linux/mmc/sdio_ids.h> +#include <linux/platform_device.h> + +#include "wl1251.h" +#include "wl12xx_80211.h" +#include "wl1251_reg.h" +#include "wl1251_ps.h" +#include "wl1251_io.h" +#include "wl1251_tx.h" +#include "wl1251_debugfs.h" + +#ifndef SDIO_VENDOR_ID_TI +#define SDIO_VENDOR_ID_TI 0x104c +#endif + +#ifndef SDIO_DEVICE_ID_TI_WL1251 +#define SDIO_DEVICE_ID_TI_WL1251 0x9066 +#endif + +static struct sdio_func *wl_to_func(struct wl1251 *wl) +{ + return wl->if_priv; +} + +static void wl1251_sdio_interrupt(struct sdio_func *func) +{ + struct wl1251 *wl = sdio_get_drvdata(func); + + wl1251_debug(DEBUG_IRQ, "IRQ"); + + /* FIXME should be synchronous for sdio */ + ieee80211_queue_work(wl->hw, &wl->irq_work); +} + +static const struct sdio_device_id wl1251_devices[] = { + { SDIO_DEVICE(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1251) }, + {} +}; +MODULE_DEVICE_TABLE(sdio, wl1251_devices); + + +void wl1251_sdio_read(struct wl1251 *wl, int addr, void *buf, size_t len) +{ + int ret; + struct sdio_func *func = wl_to_func(wl); + + sdio_claim_host(func); + ret = sdio_memcpy_fromio(func, buf, addr, len); + if (ret) + wl1251_error("sdio read failed (%d)", ret); + sdio_release_host(func); +} + +void wl1251_sdio_write(struct wl1251 *wl, int addr, void *buf, size_t len) +{ + int ret; + struct sdio_func *func = wl_to_func(wl); + + sdio_claim_host(func); + ret = sdio_memcpy_toio(func, addr, buf, len); + if (ret) + wl1251_error("sdio write failed (%d)", ret); + sdio_release_host(func); +} + +void wl1251_sdio_reset(struct wl1251 *wl) +{ +} + +static void wl1251_sdio_enable_irq(struct wl1251 *wl) +{ + struct sdio_func *func = wl_to_func(wl); + + sdio_claim_host(func); + sdio_claim_irq(func, wl1251_sdio_interrupt); + sdio_release_host(func); +} + +static void wl1251_sdio_disable_irq(struct wl1251 *wl) +{ + struct sdio_func *func = wl_to_func(wl); + + sdio_claim_host(func); + sdio_release_irq(func); + sdio_release_host(func); +} + +void wl1251_sdio_set_power(bool enable) +{ +} + +struct wl1251_if_operations wl1251_sdio_ops = { + .read = wl1251_sdio_read, + .write = wl1251_sdio_write, + .reset = wl1251_sdio_reset, + .enable_irq = wl1251_sdio_enable_irq, + .disable_irq = wl1251_sdio_disable_irq, +}; + +int wl1251_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) +{ + int ret; + struct wl1251 *wl; + struct ieee80211_hw *hw; + + hw = wl1251_alloc_hw(); + if (IS_ERR(hw)) + return PTR_ERR(hw); + + wl = hw->priv; + + sdio_claim_host(func); + ret = sdio_enable_func(func); + if (ret) + goto release; + + sdio_set_block_size(func, 512); + + SET_IEEE80211_DEV(hw, &func->dev); + wl->if_priv = func; + wl->if_ops = &wl1251_sdio_ops; + wl->set_power = wl1251_sdio_set_power; + + sdio_release_host(func); + ret = wl1251_init_ieee80211(wl); + if (ret) + goto disable; + + sdio_set_drvdata(func, wl); + return ret; + +disable: + sdio_claim_host(func); + sdio_disable_func(func); +release: + sdio_release_host(func); + return ret; +} + +static void __devexit wl1251_sdio_remove(struct sdio_func *func) +{ + struct wl1251 *wl = sdio_get_drvdata(func); + + wl1251_free_hw(wl); + + sdio_claim_host(func); + sdio_release_irq(func); + sdio_disable_func(func); + sdio_release_host(func); +} + +static struct sdio_driver wl1251_sdio_driver = { + .name = "wl1251_sdio", + .id_table = wl1251_devices, + .probe = wl1251_sdio_probe, + .remove = __devexit_p(wl1251_sdio_remove), +}; + +static int __init wl1251_sdio_init(void) +{ + int err; + + err = sdio_register_driver(&wl1251_sdio_driver); + if (err) + wl1251_error("failed to register sdio driver: %d", err); + return err; +} + +static void __exit wl1251_sdio_exit(void) +{ + sdio_unregister_driver(&wl1251_sdio_driver); + wl1251_notice("unloaded"); +} + +module_init(wl1251_sdio_init); +module_exit(wl1251_sdio_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>"); diff --git a/drivers/net/wireless/wl12xx/wl1251_spi.c b/drivers/net/wireless/wl12xx/wl1251_spi.c new file mode 100644 index 000000000000..14eff2b3d4c6 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_spi.c @@ -0,0 +1,344 @@ +/* + * This file is part of wl1251 + * + * Copyright (C) 2008 Nokia Corporation + * + * Contact: Kalle Valo <kalle.valo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/irq.h> +#include <linux/module.h> +#include <linux/crc7.h> +#include <linux/spi/spi.h> +#include <linux/spi/wl12xx.h> + +#include "wl1251.h" +#include "wl1251_reg.h" +#include "wl1251_spi.h" + +static irqreturn_t wl1251_irq(int irq, void *cookie) +{ + struct wl1251 *wl; + + wl1251_debug(DEBUG_IRQ, "IRQ"); + + wl = cookie; + + ieee80211_queue_work(wl->hw, &wl->irq_work); + + return IRQ_HANDLED; +} + +static struct spi_device *wl_to_spi(struct wl1251 *wl) +{ + return wl->if_priv; +} + +static void wl1251_spi_reset(struct wl1251 *wl) +{ + u8 *cmd; + struct spi_transfer t; + struct spi_message m; + + cmd = kzalloc(WSPI_INIT_CMD_LEN, GFP_KERNEL); + if (!cmd) { + wl1251_error("could not allocate cmd for spi reset"); + return; + } + + memset(&t, 0, sizeof(t)); + spi_message_init(&m); + + memset(cmd, 0xff, WSPI_INIT_CMD_LEN); + + t.tx_buf = cmd; + t.len = WSPI_INIT_CMD_LEN; + spi_message_add_tail(&t, &m); + + spi_sync(wl_to_spi(wl), &m); + + wl1251_dump(DEBUG_SPI, "spi reset -> ", cmd, WSPI_INIT_CMD_LEN); +} + +static void wl1251_spi_wake(struct wl1251 *wl) +{ + u8 crc[WSPI_INIT_CMD_CRC_LEN], *cmd; + struct spi_transfer t; + struct spi_message m; + + cmd = kzalloc(WSPI_INIT_CMD_LEN, GFP_KERNEL); + if (!cmd) { + wl1251_error("could not allocate cmd for spi init"); + return; + } + + memset(crc, 0, sizeof(crc)); + memset(&t, 0, sizeof(t)); + spi_message_init(&m); + + /* + * Set WSPI_INIT_COMMAND + * the data is being send from the MSB to LSB + */ + cmd[2] = 0xff; + cmd[3] = 0xff; + cmd[1] = WSPI_INIT_CMD_START | WSPI_INIT_CMD_TX; + cmd[0] = 0; + cmd[7] = 0; + cmd[6] |= HW_ACCESS_WSPI_INIT_CMD_MASK << 3; + cmd[6] |= HW_ACCESS_WSPI_FIXED_BUSY_LEN & WSPI_INIT_CMD_FIXEDBUSY_LEN; + + if (HW_ACCESS_WSPI_FIXED_BUSY_LEN == 0) + cmd[5] |= WSPI_INIT_CMD_DIS_FIXEDBUSY; + else + cmd[5] |= WSPI_INIT_CMD_EN_FIXEDBUSY; + + cmd[5] |= WSPI_INIT_CMD_IOD | WSPI_INIT_CMD_IP | WSPI_INIT_CMD_CS + | WSPI_INIT_CMD_WSPI | WSPI_INIT_CMD_WS; + + crc[0] = cmd[1]; + crc[1] = cmd[0]; + crc[2] = cmd[7]; + crc[3] = cmd[6]; + crc[4] = cmd[5]; + + cmd[4] |= crc7(0, crc, WSPI_INIT_CMD_CRC_LEN) << 1; + cmd[4] |= WSPI_INIT_CMD_END; + + t.tx_buf = cmd; + t.len = WSPI_INIT_CMD_LEN; + spi_message_add_tail(&t, &m); + + spi_sync(wl_to_spi(wl), &m); + + wl1251_dump(DEBUG_SPI, "spi init -> ", cmd, WSPI_INIT_CMD_LEN); +} + +static void wl1251_spi_reset_wake(struct wl1251 *wl) +{ + wl1251_spi_reset(wl); + wl1251_spi_wake(wl); +} + +static void wl1251_spi_read(struct wl1251 *wl, int addr, void *buf, + size_t len) +{ + struct spi_transfer t[3]; + struct spi_message m; + u8 *busy_buf; + u32 *cmd; + + cmd = &wl->buffer_cmd; + busy_buf = wl->buffer_busyword; + + *cmd = 0; + *cmd |= WSPI_CMD_READ; + *cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH; + *cmd |= addr & WSPI_CMD_BYTE_ADDR; + + spi_message_init(&m); + memset(t, 0, sizeof(t)); + + t[0].tx_buf = cmd; + t[0].len = 4; + spi_message_add_tail(&t[0], &m); + + /* Busy and non busy words read */ + t[1].rx_buf = busy_buf; + t[1].len = WL1251_BUSY_WORD_LEN; + spi_message_add_tail(&t[1], &m); + + t[2].rx_buf = buf; + t[2].len = len; + spi_message_add_tail(&t[2], &m); + + spi_sync(wl_to_spi(wl), &m); + + /* FIXME: check busy words */ + + wl1251_dump(DEBUG_SPI, "spi_read cmd -> ", cmd, sizeof(*cmd)); + wl1251_dump(DEBUG_SPI, "spi_read buf <- ", buf, len); +} + +static void wl1251_spi_write(struct wl1251 *wl, int addr, void *buf, + size_t len) +{ + struct spi_transfer t[2]; + struct spi_message m; + u32 *cmd; + + cmd = &wl->buffer_cmd; + + *cmd = 0; + *cmd |= WSPI_CMD_WRITE; + *cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH; + *cmd |= addr & WSPI_CMD_BYTE_ADDR; + + spi_message_init(&m); + memset(t, 0, sizeof(t)); + + t[0].tx_buf = cmd; + t[0].len = sizeof(*cmd); + spi_message_add_tail(&t[0], &m); + + t[1].tx_buf = buf; + t[1].len = len; + spi_message_add_tail(&t[1], &m); + + spi_sync(wl_to_spi(wl), &m); + + wl1251_dump(DEBUG_SPI, "spi_write cmd -> ", cmd, sizeof(*cmd)); + wl1251_dump(DEBUG_SPI, "spi_write buf -> ", buf, len); +} + +static void wl1251_spi_enable_irq(struct wl1251 *wl) +{ + return enable_irq(wl->irq); +} + +static void wl1251_spi_disable_irq(struct wl1251 *wl) +{ + return disable_irq(wl->irq); +} + +static const struct wl1251_if_operations wl1251_spi_ops = { + .read = wl1251_spi_read, + .write = wl1251_spi_write, + .reset = wl1251_spi_reset_wake, + .enable_irq = wl1251_spi_enable_irq, + .disable_irq = wl1251_spi_disable_irq, +}; + +static int __devinit wl1251_spi_probe(struct spi_device *spi) +{ + struct wl12xx_platform_data *pdata; + struct ieee80211_hw *hw; + struct wl1251 *wl; + int ret; + + pdata = spi->dev.platform_data; + if (!pdata) { + wl1251_error("no platform data"); + return -ENODEV; + } + + hw = wl1251_alloc_hw(); + if (IS_ERR(hw)) + return PTR_ERR(hw); + + wl = hw->priv; + + SET_IEEE80211_DEV(hw, &spi->dev); + dev_set_drvdata(&spi->dev, wl); + wl->if_priv = spi; + wl->if_ops = &wl1251_spi_ops; + + /* This is the only SPI value that we need to set here, the rest + * comes from the board-peripherals file */ + spi->bits_per_word = 32; + + ret = spi_setup(spi); + if (ret < 0) { + wl1251_error("spi_setup failed"); + goto out_free; + } + + wl->set_power = pdata->set_power; + if (!wl->set_power) { + wl1251_error("set power function missing in platform data"); + return -ENODEV; + } + + wl->irq = spi->irq; + if (wl->irq < 0) { + wl1251_error("irq missing in platform data"); + return -ENODEV; + } + + ret = request_irq(wl->irq, wl1251_irq, 0, DRIVER_NAME, wl); + if (ret < 0) { + wl1251_error("request_irq() failed: %d", ret); + goto out_free; + } + + set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); + + disable_irq(wl->irq); + + ret = wl1251_init_ieee80211(wl); + if (ret) + goto out_irq; + + return 0; + + out_irq: + free_irq(wl->irq, wl); + + out_free: + ieee80211_free_hw(hw); + + return ret; +} + +static int __devexit wl1251_spi_remove(struct spi_device *spi) +{ + struct wl1251 *wl = dev_get_drvdata(&spi->dev); + + free_irq(wl->irq, wl); + wl1251_free_hw(wl); + + return 0; +} + +static struct spi_driver wl1251_spi_driver = { + .driver = { + .name = "wl12xx", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + + .probe = wl1251_spi_probe, + .remove = __devexit_p(wl1251_spi_remove), +}; + +static int __init wl1251_spi_init(void) +{ + int ret; + + ret = spi_register_driver(&wl1251_spi_driver); + if (ret < 0) { + wl1251_error("failed to register spi driver: %d", ret); + goto out; + } + +out: + return ret; +} + +static void __exit wl1251_spi_exit(void) +{ + spi_unregister_driver(&wl1251_spi_driver); + + wl1251_notice("unloaded"); +} + +module_init(wl1251_spi_init); +module_exit(wl1251_spi_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>"); diff --git a/drivers/net/wireless/wl12xx/wl1251_spi.h b/drivers/net/wireless/wl12xx/wl1251_spi.h new file mode 100644 index 000000000000..2e273a97e7f3 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1251_spi.h @@ -0,0 +1,61 @@ +/* + * This file is part of wl1251 + * + * Copyright (c) 1998-2007 Texas Instruments Incorporated + * Copyright (C) 2008 Nokia Corporation + * + * Contact: Kalle Valo <kalle.valo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1251_SPI_H__ +#define __WL1251_SPI_H__ + +#include "wl1251_cmd.h" +#include "wl1251_acx.h" +#include "wl1251_reg.h" + +#define WSPI_CMD_READ 0x40000000 +#define WSPI_CMD_WRITE 0x00000000 +#define WSPI_CMD_FIXED 0x20000000 +#define WSPI_CMD_BYTE_LENGTH 0x1FFE0000 +#define WSPI_CMD_BYTE_LENGTH_OFFSET 17 +#define WSPI_CMD_BYTE_ADDR 0x0001FFFF + +#define WSPI_INIT_CMD_CRC_LEN 5 + +#define WSPI_INIT_CMD_START 0x00 +#define WSPI_INIT_CMD_TX 0x40 +/* the extra bypass bit is sampled by the TNET as '1' */ +#define WSPI_INIT_CMD_BYPASS_BIT 0x80 +#define WSPI_INIT_CMD_FIXEDBUSY_LEN 0x07 +#define WSPI_INIT_CMD_EN_FIXEDBUSY 0x80 +#define WSPI_INIT_CMD_DIS_FIXEDBUSY 0x00 +#define WSPI_INIT_CMD_IOD 0x40 +#define WSPI_INIT_CMD_IP 0x20 +#define WSPI_INIT_CMD_CS 0x10 +#define WSPI_INIT_CMD_WS 0x08 +#define WSPI_INIT_CMD_WSPI 0x01 +#define WSPI_INIT_CMD_END 0x01 + +#define WSPI_INIT_CMD_LEN 8 + +#define HW_ACCESS_WSPI_FIXED_BUSY_LEN \ + ((WL1251_BUSY_WORD_LEN - 4) / sizeof(u32)) +#define HW_ACCESS_WSPI_INIT_CMD_MASK 0 + +#endif /* __WL1251_SPI_H__ */ diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/wl1251_tx.c index 62145e205a8c..f85970615849 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/wl1251_tx.c @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation @@ -25,13 +25,13 @@ #include <linux/kernel.h> #include <linux/module.h> -#include "wl12xx.h" -#include "reg.h" -#include "spi.h" -#include "tx.h" -#include "ps.h" +#include "wl1251.h" +#include "wl1251_reg.h" +#include "wl1251_tx.h" +#include "wl1251_ps.h" +#include "wl1251_io.h" -static bool wl12xx_tx_double_buffer_busy(struct wl12xx *wl, u32 data_out_count) +static bool wl1251_tx_double_buffer_busy(struct wl1251 *wl, u32 data_out_count) { int used, data_in_count; @@ -52,15 +52,15 @@ static bool wl12xx_tx_double_buffer_busy(struct wl12xx *wl, u32 data_out_count) return false; } -static int wl12xx_tx_path_status(struct wl12xx *wl) +static int wl1251_tx_path_status(struct wl1251 *wl) { u32 status, addr, data_out_count; bool busy; addr = wl->data_path->tx_control_addr; - status = wl12xx_mem_read32(wl, addr); + status = wl1251_mem_read32(wl, addr); data_out_count = status & TX_STATUS_DATA_OUT_COUNT_MASK; - busy = wl12xx_tx_double_buffer_busy(wl, data_out_count); + busy = wl1251_tx_double_buffer_busy(wl, data_out_count); if (busy) return -EBUSY; @@ -68,7 +68,7 @@ static int wl12xx_tx_path_status(struct wl12xx *wl) return 0; } -static int wl12xx_tx_id(struct wl12xx *wl, struct sk_buff *skb) +static int wl1251_tx_id(struct wl1251 *wl, struct sk_buff *skb) { int i; @@ -81,7 +81,7 @@ static int wl12xx_tx_id(struct wl12xx *wl, struct sk_buff *skb) return -EBUSY; } -static void wl12xx_tx_control(struct tx_double_buffer_desc *tx_hdr, +static void wl1251_tx_control(struct tx_double_buffer_desc *tx_hdr, struct ieee80211_tx_info *control, u16 fc) { *(u16 *)&tx_hdr->control = 0; @@ -109,7 +109,7 @@ static void wl12xx_tx_control(struct tx_double_buffer_desc *tx_hdr, #define MAX_MPDU_HEADER_AND_SECURITY (MAX_MPDU_SECURITY_LENGTH + \ WLAN_QOS_HDR_LEN) #define HW_BLOCK_SIZE 252 -static void wl12xx_tx_frag_block_num(struct tx_double_buffer_desc *tx_hdr) +static void wl1251_tx_frag_block_num(struct tx_double_buffer_desc *tx_hdr) { u16 payload_len, frag_threshold, mem_blocks; u16 num_mpdus, mem_blocks_per_frag; @@ -142,7 +142,7 @@ static void wl12xx_tx_frag_block_num(struct tx_double_buffer_desc *tx_hdr) tx_hdr->num_mem_blocks = mem_blocks; } -static int wl12xx_tx_fill_hdr(struct wl12xx *wl, struct sk_buff *skb, +static int wl1251_tx_fill_hdr(struct wl1251 *wl, struct sk_buff *skb, struct ieee80211_tx_info *control) { struct tx_double_buffer_desc *tx_hdr; @@ -153,7 +153,7 @@ static int wl12xx_tx_fill_hdr(struct wl12xx *wl, struct sk_buff *skb, if (!skb) return -EINVAL; - id = wl12xx_tx_id(wl, skb); + id = wl1251_tx_id(wl, skb); if (id < 0) return id; @@ -170,14 +170,14 @@ static int wl12xx_tx_fill_hdr(struct wl12xx *wl, struct sk_buff *skb, /* FIXME: how to get the correct queue id? */ tx_hdr->xmit_queue = 0; - wl12xx_tx_control(tx_hdr, control, fc); - wl12xx_tx_frag_block_num(tx_hdr); + wl1251_tx_control(tx_hdr, control, fc); + wl1251_tx_frag_block_num(tx_hdr); return 0; } /* We copy the packet to the target */ -static int wl12xx_tx_send_packet(struct wl12xx *wl, struct sk_buff *skb, +static int wl1251_tx_send_packet(struct wl1251 *wl, struct sk_buff *skb, struct ieee80211_tx_info *control) { struct tx_double_buffer_desc *tx_hdr; @@ -196,12 +196,12 @@ static int wl12xx_tx_send_packet(struct wl12xx *wl, struct sk_buff *skb, u8 *pos; fc = *(u16 *)(skb->data + sizeof(*tx_hdr)); - tx_hdr->length += WL12XX_TKIP_IV_SPACE; + tx_hdr->length += WL1251_TKIP_IV_SPACE; hdrlen = ieee80211_hdrlen(fc); - pos = skb_push(skb, WL12XX_TKIP_IV_SPACE); - memmove(pos, pos + WL12XX_TKIP_IV_SPACE, + pos = skb_push(skb, WL1251_TKIP_IV_SPACE); + memmove(pos, pos + WL1251_TKIP_IV_SPACE, sizeof(*tx_hdr) + hdrlen); } @@ -211,7 +211,7 @@ static int wl12xx_tx_send_packet(struct wl12xx *wl, struct sk_buff *skb, */ if (unlikely((long)skb->data & 0x03)) { int offset = (4 - (long)skb->data) & 0x03; - wl12xx_debug(DEBUG_TX, "skb offset %d", offset); + wl1251_debug(DEBUG_TX, "skb offset %d", offset); /* check whether the current skb can be used */ if (!skb_cloned(skb) && (skb_tailroom(skb) >= offset)) { @@ -221,13 +221,13 @@ static int wl12xx_tx_send_packet(struct wl12xx *wl, struct sk_buff *skb, skb_reserve(skb, offset); memmove(skb->data, src, skb->len); } else { - wl12xx_info("No handler, fixme!"); + wl1251_info("No handler, fixme!"); return -EINVAL; } } /* Our skb->data at this point includes the HW header */ - len = WL12XX_TX_ALIGN(skb->len); + len = WL1251_TX_ALIGN(skb->len); if (wl->data_in_count & 0x1) addr = wl->data_path->tx_packet_ring_addr + @@ -235,15 +235,15 @@ static int wl12xx_tx_send_packet(struct wl12xx *wl, struct sk_buff *skb, else addr = wl->data_path->tx_packet_ring_addr; - wl12xx_spi_mem_write(wl, addr, skb->data, len); + wl1251_mem_write(wl, addr, skb->data, len); - wl12xx_debug(DEBUG_TX, "tx id %u skb 0x%p payload %u rate 0x%x", + wl1251_debug(DEBUG_TX, "tx id %u skb 0x%p payload %u rate 0x%x", tx_hdr->id, skb, tx_hdr->length, tx_hdr->rate); return 0; } -static void wl12xx_tx_trigger(struct wl12xx *wl) +static void wl1251_tx_trigger(struct wl1251 *wl) { u32 data, addr; @@ -255,7 +255,7 @@ static void wl12xx_tx_trigger(struct wl12xx *wl) data = INTR_TRIG_TX_PROC0; } - wl12xx_reg_write32(wl, addr, data); + wl1251_reg_write32(wl, addr, data); /* Bumping data in */ wl->data_in_count = (wl->data_in_count + 1) & @@ -263,7 +263,7 @@ static void wl12xx_tx_trigger(struct wl12xx *wl) } /* caller must hold wl->mutex */ -static int wl12xx_tx_frame(struct wl12xx *wl, struct sk_buff *skb) +static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb) { struct ieee80211_tx_info *info; int ret = 0; @@ -274,51 +274,53 @@ static int wl12xx_tx_frame(struct wl12xx *wl, struct sk_buff *skb) if (info->control.hw_key) { idx = info->control.hw_key->hw_key_idx; if (unlikely(wl->default_key != idx)) { - ret = wl12xx_acx_default_key(wl, idx); + ret = wl1251_acx_default_key(wl, idx); if (ret < 0) return ret; } } - ret = wl12xx_tx_path_status(wl); + ret = wl1251_tx_path_status(wl); if (ret < 0) return ret; - ret = wl12xx_tx_fill_hdr(wl, skb, info); + ret = wl1251_tx_fill_hdr(wl, skb, info); if (ret < 0) return ret; - ret = wl12xx_tx_send_packet(wl, skb, info); + ret = wl1251_tx_send_packet(wl, skb, info); if (ret < 0) return ret; - wl12xx_tx_trigger(wl); + wl1251_tx_trigger(wl); return ret; } -void wl12xx_tx_work(struct work_struct *work) +void wl1251_tx_work(struct work_struct *work) { - struct wl12xx *wl = container_of(work, struct wl12xx, tx_work); + struct wl1251 *wl = container_of(work, struct wl1251, tx_work); struct sk_buff *skb; bool woken_up = false; int ret; mutex_lock(&wl->mutex); - if (unlikely(wl->state == WL12XX_STATE_OFF)) + if (unlikely(wl->state == WL1251_STATE_OFF)) goto out; while ((skb = skb_dequeue(&wl->tx_queue))) { if (!woken_up) { - wl12xx_ps_elp_wakeup(wl); + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out; woken_up = true; } - ret = wl12xx_tx_frame(wl, skb); + ret = wl1251_tx_frame(wl, skb); if (ret == -EBUSY) { /* firmware buffer is full, stop queues */ - wl12xx_debug(DEBUG_TX, "tx_work: fw buffer full, " + wl1251_debug(DEBUG_TX, "tx_work: fw buffer full, " "stop queues"); ieee80211_stop_queues(wl->hw); wl->tx_queue_stopped = true; @@ -332,12 +334,12 @@ void wl12xx_tx_work(struct work_struct *work) out: if (woken_up) - wl12xx_ps_elp_sleep(wl); + wl1251_ps_elp_sleep(wl); mutex_unlock(&wl->mutex); } -static const char *wl12xx_tx_parse_status(u8 status) +static const char *wl1251_tx_parse_status(u8 status) { /* 8 bit status field, one character per bit plus null */ static char buf[9]; @@ -365,7 +367,7 @@ static const char *wl12xx_tx_parse_status(u8 status) return buf; } -static void wl12xx_tx_packet_cb(struct wl12xx *wl, +static void wl1251_tx_packet_cb(struct wl1251 *wl, struct tx_result *result) { struct ieee80211_tx_info *info; @@ -375,7 +377,7 @@ static void wl12xx_tx_packet_cb(struct wl12xx *wl, skb = wl->tx_frames[result->id]; if (skb == NULL) { - wl12xx_error("SKB for packet %d is NULL", result->id); + wl1251_error("SKB for packet %d is NULL", result->id); return; } @@ -396,14 +398,14 @@ static void wl12xx_tx_packet_cb(struct wl12xx *wl, if (info->control.hw_key && info->control.hw_key->alg == ALG_TKIP) { hdrlen = ieee80211_get_hdrlen_from_skb(skb); - memmove(frame + WL12XX_TKIP_IV_SPACE, frame, hdrlen); - skb_pull(skb, WL12XX_TKIP_IV_SPACE); + memmove(frame + WL1251_TKIP_IV_SPACE, frame, hdrlen); + skb_pull(skb, WL1251_TKIP_IV_SPACE); } - wl12xx_debug(DEBUG_TX, "tx status id %u skb 0x%p failures %u rate 0x%x" + wl1251_debug(DEBUG_TX, "tx status id %u skb 0x%p failures %u rate 0x%x" " status 0x%x (%s)", result->id, skb, result->ack_failures, result->rate, - result->status, wl12xx_tx_parse_status(result->status)); + result->status, wl1251_tx_parse_status(result->status)); ieee80211_tx_status(wl->hw, skb); @@ -411,7 +413,7 @@ static void wl12xx_tx_packet_cb(struct wl12xx *wl, wl->tx_frames[result->id] = NULL; if (wl->tx_queue_stopped) { - wl12xx_debug(DEBUG_TX, "cb: queue was stopped"); + wl1251_debug(DEBUG_TX, "cb: queue was stopped"); skb = skb_dequeue(&wl->tx_queue); @@ -420,10 +422,10 @@ static void wl12xx_tx_packet_cb(struct wl12xx *wl, queue empty */ if (skb) { - ret = wl12xx_tx_frame(wl, skb); + ret = wl1251_tx_frame(wl, skb); if (ret == -EBUSY) { /* firmware buffer is still full */ - wl12xx_debug(DEBUG_TX, "cb: fw buffer " + wl1251_debug(DEBUG_TX, "cb: fw buffer " "still full"); skb_queue_head(&wl->tx_queue, skb); return; @@ -433,23 +435,23 @@ static void wl12xx_tx_packet_cb(struct wl12xx *wl, } } - wl12xx_debug(DEBUG_TX, "cb: waking queues"); + wl1251_debug(DEBUG_TX, "cb: waking queues"); ieee80211_wake_queues(wl->hw); wl->tx_queue_stopped = false; } } /* Called upon reception of a TX complete interrupt */ -void wl12xx_tx_complete(struct wl12xx *wl) +void wl1251_tx_complete(struct wl1251 *wl) { int i, result_index, num_complete = 0; struct tx_result result[FW_TX_CMPLT_BLOCK_SIZE], *result_ptr; - if (unlikely(wl->state != WL12XX_STATE_ON)) + if (unlikely(wl->state != WL1251_STATE_ON)) return; /* First we read the result */ - wl12xx_spi_mem_read(wl, wl->data_path->tx_complete_addr, + wl1251_mem_read(wl, wl->data_path->tx_complete_addr, result, sizeof(result)); result_index = wl->next_tx_complete; @@ -459,7 +461,7 @@ void wl12xx_tx_complete(struct wl12xx *wl) if (result_ptr->done_1 == 1 && result_ptr->done_2 == 1) { - wl12xx_tx_packet_cb(wl, result_ptr); + wl1251_tx_packet_cb(wl, result_ptr); result_ptr->done_1 = 0; result_ptr->done_2 = 0; @@ -480,41 +482,41 @@ void wl12xx_tx_complete(struct wl12xx *wl) */ if (result_index > wl->next_tx_complete) { /* Only 1 write is needed */ - wl12xx_spi_mem_write(wl, - wl->data_path->tx_complete_addr + - (wl->next_tx_complete * - sizeof(struct tx_result)), - &result[wl->next_tx_complete], - num_complete * - sizeof(struct tx_result)); + wl1251_mem_write(wl, + wl->data_path->tx_complete_addr + + (wl->next_tx_complete * + sizeof(struct tx_result)), + &result[wl->next_tx_complete], + num_complete * + sizeof(struct tx_result)); } else if (result_index < wl->next_tx_complete) { /* 2 writes are needed */ - wl12xx_spi_mem_write(wl, - wl->data_path->tx_complete_addr + - (wl->next_tx_complete * - sizeof(struct tx_result)), - &result[wl->next_tx_complete], - (FW_TX_CMPLT_BLOCK_SIZE - - wl->next_tx_complete) * - sizeof(struct tx_result)); - - wl12xx_spi_mem_write(wl, - wl->data_path->tx_complete_addr, - result, - (num_complete - - FW_TX_CMPLT_BLOCK_SIZE + - wl->next_tx_complete) * - sizeof(struct tx_result)); + wl1251_mem_write(wl, + wl->data_path->tx_complete_addr + + (wl->next_tx_complete * + sizeof(struct tx_result)), + &result[wl->next_tx_complete], + (FW_TX_CMPLT_BLOCK_SIZE - + wl->next_tx_complete) * + sizeof(struct tx_result)); + + wl1251_mem_write(wl, + wl->data_path->tx_complete_addr, + result, + (num_complete - + FW_TX_CMPLT_BLOCK_SIZE + + wl->next_tx_complete) * + sizeof(struct tx_result)); } else { /* We have to write the whole array */ - wl12xx_spi_mem_write(wl, - wl->data_path->tx_complete_addr, - result, - FW_TX_CMPLT_BLOCK_SIZE * - sizeof(struct tx_result)); + wl1251_mem_write(wl, + wl->data_path->tx_complete_addr, + result, + FW_TX_CMPLT_BLOCK_SIZE * + sizeof(struct tx_result)); } } @@ -523,7 +525,7 @@ void wl12xx_tx_complete(struct wl12xx *wl) } /* caller must hold wl->mutex */ -void wl12xx_tx_flush(struct wl12xx *wl) +void wl1251_tx_flush(struct wl1251 *wl) { int i; struct sk_buff *skb; @@ -535,7 +537,7 @@ void wl12xx_tx_flush(struct wl12xx *wl) while ((skb = skb_dequeue(&wl->tx_queue))) { info = IEEE80211_SKB_CB(skb); - wl12xx_debug(DEBUG_TX, "flushing skb 0x%p", skb); + wl1251_debug(DEBUG_TX, "flushing skb 0x%p", skb); if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) continue; diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/wl1251_tx.h index dc82691f4c14..7c1c1665c810 100644 --- a/drivers/net/wireless/wl12xx/tx.h +++ b/drivers/net/wireless/wl12xx/wl1251_tx.h @@ -1,5 +1,5 @@ /* - * This file is part of wl12xx + * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation @@ -22,8 +22,8 @@ * */ -#ifndef __WL12XX_TX_H__ -#define __WL12XX_TX_H__ +#ifndef __WL1251_TX_H__ +#define __WL1251_TX_H__ #include <linux/bitops.h> @@ -73,10 +73,11 @@ #define TX_COMPLETE_REQUIRED_BIT 0x80 #define TX_STATUS_DATA_OUT_COUNT_MASK 0xf -#define WL12XX_TX_ALIGN_TO 4 -#define WL12XX_TX_ALIGN(len) (((len) + WL12XX_TX_ALIGN_TO - 1) & \ - ~(WL12XX_TX_ALIGN_TO - 1)) -#define WL12XX_TKIP_IV_SPACE 4 + +#define WL1251_TX_ALIGN_TO 4 +#define WL1251_TX_ALIGN(len) (((len) + WL1251_TX_ALIGN_TO - 1) & \ + ~(WL1251_TX_ALIGN_TO - 1)) +#define WL1251_TKIP_IV_SPACE 4 struct tx_control { /* Rate Policy (class) index */ @@ -208,8 +209,8 @@ struct tx_result { u8 done_2; } __attribute__ ((packed)); -void wl12xx_tx_work(struct work_struct *work); -void wl12xx_tx_complete(struct wl12xx *wl); -void wl12xx_tx_flush(struct wl12xx *wl); +void wl1251_tx_work(struct work_struct *work); +void wl1251_tx_complete(struct wl1251 *wl); +void wl1251_tx_flush(struct wl1251 *wl); #endif diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl1271.h index 48641437414b..55818f94017b 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl1271.h @@ -1,10 +1,10 @@ /* - * This file is part of wl12xx + * This file is part of wl1271 * - * Copyright (c) 1998-2007 Texas Instruments Incorporated + * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. * Copyright (C) 2008-2009 Nokia Corporation * - * Contact: Kalle Valo <kalle.valo@nokia.com> + * Contact: Luciano Coelho <luciano.coelho@nokia.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -22,15 +22,17 @@ * */ -#ifndef __WL12XX_H__ -#define __WL12XX_H__ +#ifndef __WL1271_H__ +#define __WL1271_H__ #include <linux/mutex.h> +#include <linux/completion.h> +#include <linux/spinlock.h> #include <linux/list.h> #include <linux/bitops.h> #include <net/mac80211.h> -#define DRIVER_NAME "wl12xx" +#define DRIVER_NAME "wl1271" #define DRIVER_PREFIX DRIVER_NAME ": " enum { @@ -56,25 +58,25 @@ enum { #define DEBUG_DUMP_LIMIT 1024 -#define wl12xx_error(fmt, arg...) \ +#define wl1271_error(fmt, arg...) \ printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg) -#define wl12xx_warning(fmt, arg...) \ +#define wl1271_warning(fmt, arg...) \ printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg) -#define wl12xx_notice(fmt, arg...) \ +#define wl1271_notice(fmt, arg...) \ printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg) -#define wl12xx_info(fmt, arg...) \ +#define wl1271_info(fmt, arg...) \ printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg) -#define wl12xx_debug(level, fmt, arg...) \ +#define wl1271_debug(level, fmt, arg...) \ do { \ if (level & DEBUG_LEVEL) \ printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \ } while (0) -#define wl12xx_dump(level, prefix, buf, len) \ +#define wl1271_dump(level, prefix, buf, len) \ do { \ if (level & DEBUG_LEVEL) \ print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \ @@ -84,7 +86,7 @@ enum { 0); \ } while (0) -#define wl12xx_dump_ascii(level, prefix, buf, len) \ +#define wl1271_dump_ascii(level, prefix, buf, len) \ do { \ if (level & DEBUG_LEVEL) \ print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \ @@ -94,35 +96,29 @@ enum { true); \ } while (0) -#define WL12XX_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN | \ +#define WL1271_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN | \ CFG_BSSID_FILTER_EN) -#define WL12XX_DEFAULT_RX_FILTER (CFG_RX_PRSP_EN | \ - CFG_RX_MGMT_EN | \ - CFG_RX_DATA_EN | \ - CFG_RX_CTL_EN | \ - CFG_RX_BCN_EN | \ - CFG_RX_AUTH_EN | \ - CFG_RX_ASSOC_EN) - - -struct boot_attr { - u32 radio_type; - u8 mac_clock; - u8 arm_clock; - int firmware_debug; - u32 minor; - u32 major; - u32 bugfix; -}; +#define WL1271_DEFAULT_RX_FILTER (CFG_RX_RCTS_ACK | CFG_RX_PRSP_EN | \ + CFG_RX_MGMT_EN | CFG_RX_DATA_EN | \ + CFG_RX_CTL_EN | CFG_RX_BCN_EN | \ + CFG_RX_AUTH_EN | CFG_RX_ASSOC_EN) + +#define WL1271_FW_NAME "wl1271-fw.bin" +#define WL1271_NVS_NAME "wl1271-nvs.bin" + +#define WL1271_BUSY_WORD_LEN 8 -enum wl12xx_state { - WL12XX_STATE_OFF, - WL12XX_STATE_ON, - WL12XX_STATE_PLT, +#define WL1271_ELP_HW_STATE_ASLEEP 0 +#define WL1271_ELP_HW_STATE_IRQ 1 + +enum wl1271_state { + WL1271_STATE_OFF, + WL1271_STATE_ON, + WL1271_STATE_PLT, }; -enum wl12xx_partition_type { +enum wl1271_partition_type { PART_DOWN, PART_WORK, PART_DRPW, @@ -130,44 +126,25 @@ enum wl12xx_partition_type { PART_TABLE_LEN }; -struct wl12xx_partition { +struct wl1271_partition { u32 size; u32 start; }; -struct wl12xx_partition_set { - struct wl12xx_partition mem; - struct wl12xx_partition reg; +struct wl1271_partition_set { + struct wl1271_partition mem; + struct wl1271_partition reg; }; -struct wl12xx; +struct wl1271; /* FIXME: I'm not sure about this structure name */ -struct wl12xx_chip { +struct wl1271_chip { u32 id; - - const char *fw_filename; - const char *nvs_filename; - char fw_ver[21]; - - unsigned int power_on_sleep; - int intr_cmd_complete; - int intr_init_complete; - - int (*op_upload_fw)(struct wl12xx *wl); - int (*op_upload_nvs)(struct wl12xx *wl); - int (*op_boot)(struct wl12xx *wl); - void (*op_set_ecpu_ctrl)(struct wl12xx *wl, u32 flag); - void (*op_target_enable_interrupts)(struct wl12xx *wl); - int (*op_hw_init)(struct wl12xx *wl); - int (*op_plt_init)(struct wl12xx *wl); - - struct wl12xx_partition_set *p_table; - enum wl12xx_acx_int_reg *acx_reg_table; }; -struct wl12xx_stats { +struct wl1271_stats { struct acx_statistics *fw_stats; unsigned long fw_stats_update; @@ -175,7 +152,7 @@ struct wl12xx_stats { unsigned int excessive_retries; }; -struct wl12xx_debugfs { +struct wl1271_debugfs { struct dentry *rootdir; struct dentry *fw_statistics; @@ -276,7 +253,28 @@ struct wl12xx_debugfs { struct dentry *excessive_retries; }; -struct wl12xx { +#define NUM_TX_QUEUES 4 +#define NUM_RX_PKT_DESC 8 + +/* FW status registers */ +struct wl1271_fw_status { + u32 intr; + u8 fw_rx_counter; + u8 drv_rx_counter; + u8 reserved; + u8 tx_results_counter; + u32 rx_pkt_descs[NUM_RX_PKT_DESC]; + u32 tx_released_blks[NUM_TX_QUEUES]; + u32 fw_localtime; + u32 padding[2]; +} __attribute__ ((packed)); + +struct wl1271_rx_mem_pool_addr { + u32 addr; + u32 addr_extra; +}; + +struct wl1271 { struct ieee80211_hw *hw; bool mac80211_registered; @@ -285,7 +283,9 @@ struct wl12xx { void (*set_power)(bool enable); int irq; - enum wl12xx_state state; + spinlock_t wl_lock; + + enum wl1271_state state; struct mutex mutex; int physical_mem_addr; @@ -293,11 +293,10 @@ struct wl12xx { int virtual_mem_addr; int virtual_reg_addr; - struct wl12xx_chip chip; + struct wl1271_chip chip; int cmd_box_addr; int event_box_addr; - struct boot_attr boot_attr; u8 *fw; size_t fw_len; @@ -307,14 +306,26 @@ struct wl12xx { u8 bssid[ETH_ALEN]; u8 mac_addr[ETH_ALEN]; u8 bss_type; + u8 ssid[IW_ESSID_MAX_SIZE + 1]; + u8 ssid_len; u8 listen_int; int channel; - void *target_mem_map; - struct acx_data_path_params_resp *data_path; + struct wl1271_acx_mem_map *target_mem_map; + + /* Accounting for allocated / available TX blocks on HW */ + u32 tx_blocks_freed[NUM_TX_QUEUES]; + u32 tx_blocks_available; + u8 tx_results_count; + + /* Transmitted TX packets counter for chipset interface */ + int tx_packets_count; - /* Number of TX packets transferred to the FW, modulo 16 */ - u32 data_in_count; + /* Time-offset between host and chipset clocks */ + int time_offset; + + /* Session counter for the chipset */ + int session_counter; /* Frames scheduled for transmission, not handled yet */ struct sk_buff_head tx_queue; @@ -326,25 +337,13 @@ struct wl12xx { /* Pending TX frames */ struct sk_buff *tx_frames[16]; - /* - * Index pointing to the next TX complete entry - * in the cyclic XT complete array we get from - * the FW. - */ - u32 next_tx_complete; - /* FW Rx counter */ u32 rx_counter; - /* Rx frames handled */ - u32 rx_handled; - - /* Current double buffer */ - u32 rx_current_buffer; - u32 rx_last_id; + /* Rx memory pool address */ + struct wl1271_rx_mem_pool_addr rx_mem_pool_addr; /* The target interrupt mask */ - u32 intr_mask; struct work_struct irq_work; /* The mbox event mask */ @@ -362,15 +361,14 @@ struct wl12xx { /* Default key (for WEP) */ u32 default_key; - unsigned int tx_mgmt_frm_rate; - unsigned int tx_mgmt_frm_mod; - unsigned int rx_config; unsigned int rx_filter; /* is firmware in elp mode */ bool elp; + struct completion *elp_compl; + /* we can be in psm, but not in elp, we have to differentiate */ bool psm; @@ -380,30 +378,30 @@ struct wl12xx { /* in dBm */ int power_level; - struct wl12xx_stats stats; - struct wl12xx_debugfs debugfs; + struct wl1271_stats stats; + struct wl1271_debugfs debugfs; + + u32 buffer_32; + u32 buffer_cmd; + u8 buffer_busyword[WL1271_BUSY_WORD_LEN]; + struct wl1271_rx_descriptor *rx_descriptor; + + struct wl1271_fw_status *fw_status; + struct wl1271_tx_hw_res_if *tx_res_if; }; -int wl12xx_plt_start(struct wl12xx *wl); -int wl12xx_plt_stop(struct wl12xx *wl); +int wl1271_plt_start(struct wl1271 *wl); +int wl1271_plt_stop(struct wl1271 *wl); -#define DEFAULT_HW_GEN_MODULATION_TYPE CCK_LONG /* Long Preamble */ -#define DEFAULT_HW_GEN_TX_RATE RATE_2MBPS #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */ -#define WL12XX_DEFAULT_POWER_LEVEL 20 +#define SESSION_COUNTER_MAX 7 /* maximum value for the session counter */ -#define WL12XX_TX_QUEUE_MAX_LENGTH 20 +#define WL1271_DEFAULT_POWER_LEVEL 0 -/* Different chips need different sleep times after power on. WL1271 needs - * 200ms, WL1251 needs only 10ms. By default we use 200ms, but as soon as we - * know the chip ID, we change the sleep value in the wl12xx chip structure, - * so in subsequent power ons, we don't waste more time then needed. */ -#define WL12XX_DEFAULT_POWER_ON_SLEEP 200 +#define WL1271_TX_QUEUE_MAX_LENGTH 20 -#define CHIP_ID_1251_PG10 (0x7010101) -#define CHIP_ID_1251_PG11 (0x7020101) -#define CHIP_ID_1251_PG12 (0x7030101) -#define CHIP_ID_1271_PG10 (0x4030101) +/* WL1271 needs a 200ms sleep after power on */ +#define WL1271_POWER_ON_SLEEP 200 /* in miliseconds */ #endif diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c new file mode 100644 index 000000000000..f622a4092615 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_acx.c @@ -0,0 +1,961 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2008-2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "wl1271_acx.h" + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/crc7.h> +#include <linux/spi/spi.h> + +#include "wl1271.h" +#include "wl12xx_80211.h" +#include "wl1271_reg.h" +#include "wl1271_spi.h" +#include "wl1271_ps.h" + +int wl1271_acx_wake_up_conditions(struct wl1271 *wl, u8 wake_up_event, + u8 listen_interval) +{ + struct acx_wake_up_condition *wake_up; + int ret; + + wl1271_debug(DEBUG_ACX, "acx wake up conditions"); + + wake_up = kzalloc(sizeof(*wake_up), GFP_KERNEL); + if (!wake_up) { + ret = -ENOMEM; + goto out; + } + + wake_up->wake_up_event = wake_up_event; + wake_up->listen_interval = listen_interval; + + ret = wl1271_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS, + wake_up, sizeof(*wake_up)); + if (ret < 0) { + wl1271_warning("could not set wake up conditions: %d", ret); + goto out; + } + +out: + kfree(wake_up); + return ret; +} + +int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth) +{ + struct acx_sleep_auth *auth; + int ret; + + wl1271_debug(DEBUG_ACX, "acx sleep auth"); + + auth = kzalloc(sizeof(*auth), GFP_KERNEL); + if (!auth) { + ret = -ENOMEM; + goto out; + } + + auth->sleep_auth = sleep_auth; + + ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth)); + if (ret < 0) + return ret; + +out: + kfree(auth); + return ret; +} + +int wl1271_acx_fw_version(struct wl1271 *wl, char *buf, size_t len) +{ + struct acx_revision *rev; + int ret; + + wl1271_debug(DEBUG_ACX, "acx fw rev"); + + rev = kzalloc(sizeof(*rev), GFP_KERNEL); + if (!rev) { + ret = -ENOMEM; + goto out; + } + + ret = wl1271_cmd_interrogate(wl, ACX_FW_REV, rev, sizeof(*rev)); + if (ret < 0) { + wl1271_warning("ACX_FW_REV interrogate failed"); + goto out; + } + + /* be careful with the buffer sizes */ + strncpy(buf, rev->fw_version, min(len, sizeof(rev->fw_version))); + + /* + * if the firmware version string is exactly + * sizeof(rev->fw_version) long or fw_len is less than + * sizeof(rev->fw_version) it won't be null terminated + */ + buf[min(len, sizeof(rev->fw_version)) - 1] = '\0'; + +out: + kfree(rev); + return ret; +} + +int wl1271_acx_tx_power(struct wl1271 *wl, int power) +{ + struct acx_current_tx_power *acx; + int ret; + + wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr"); + + if (power < 0 || power > 25) + return -EINVAL; + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->current_tx_power = power * 10; + + ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("configure of tx power failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_feature_cfg(struct wl1271 *wl) +{ + struct acx_feature_config *feature; + int ret; + + wl1271_debug(DEBUG_ACX, "acx feature cfg"); + + feature = kzalloc(sizeof(*feature), GFP_KERNEL); + if (!feature) { + ret = -ENOMEM; + goto out; + } + + /* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */ + feature->data_flow_options = 0; + feature->options = 0; + + ret = wl1271_cmd_configure(wl, ACX_FEATURE_CFG, + feature, sizeof(*feature)); + if (ret < 0) { + wl1271_error("Couldnt set HW encryption"); + goto out; + } + +out: + kfree(feature); + return ret; +} + +int wl1271_acx_mem_map(struct wl1271 *wl, struct acx_header *mem_map, + size_t len) +{ + int ret; + + wl1271_debug(DEBUG_ACX, "acx mem map"); + + ret = wl1271_cmd_interrogate(wl, ACX_MEM_MAP, mem_map, len); + if (ret < 0) + return ret; + + return 0; +} + +int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl, u32 life_time) +{ + struct acx_rx_msdu_lifetime *acx; + int ret; + + wl1271_debug(DEBUG_ACX, "acx rx msdu life time"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->lifetime = life_time; + ret = wl1271_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME, + acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("failed to set rx msdu life time: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_rx_config(struct wl1271 *wl, u32 config, u32 filter) +{ + struct acx_rx_config *rx_config; + int ret; + + wl1271_debug(DEBUG_ACX, "acx rx config"); + + rx_config = kzalloc(sizeof(*rx_config), GFP_KERNEL); + if (!rx_config) { + ret = -ENOMEM; + goto out; + } + + rx_config->config_options = config; + rx_config->filter_options = filter; + + ret = wl1271_cmd_configure(wl, ACX_RX_CFG, + rx_config, sizeof(*rx_config)); + if (ret < 0) { + wl1271_warning("failed to set rx config: %d", ret); + goto out; + } + +out: + kfree(rx_config); + return ret; +} + +int wl1271_acx_pd_threshold(struct wl1271 *wl) +{ + struct acx_packet_detection *pd; + int ret; + + wl1271_debug(DEBUG_ACX, "acx data pd threshold"); + + pd = kzalloc(sizeof(*pd), GFP_KERNEL); + if (!pd) { + ret = -ENOMEM; + goto out; + } + + /* FIXME: threshold value not set */ + + ret = wl1271_cmd_configure(wl, ACX_PD_THRESHOLD, pd, sizeof(*pd)); + if (ret < 0) { + wl1271_warning("failed to set pd threshold: %d", ret); + goto out; + } + +out: + kfree(pd); + return 0; +} + +int wl1271_acx_slot(struct wl1271 *wl, enum acx_slot_type slot_time) +{ + struct acx_slot *slot; + int ret; + + wl1271_debug(DEBUG_ACX, "acx slot"); + + slot = kzalloc(sizeof(*slot), GFP_KERNEL); + if (!slot) { + ret = -ENOMEM; + goto out; + } + + slot->wone_index = STATION_WONE_INDEX; + slot->slot_time = slot_time; + + ret = wl1271_cmd_configure(wl, ACX_SLOT, slot, sizeof(*slot)); + if (ret < 0) { + wl1271_warning("failed to set slot time: %d", ret); + goto out; + } + +out: + kfree(slot); + return ret; +} + +int wl1271_acx_group_address_tbl(struct wl1271 *wl) +{ + struct acx_dot11_grp_addr_tbl *acx; + int ret; + + wl1271_debug(DEBUG_ACX, "acx group address tbl"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + /* MAC filtering */ + acx->enabled = 0; + acx->num_groups = 0; + memset(acx->mac_table, 0, ADDRESS_GROUP_MAX_LEN); + + ret = wl1271_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL, + acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("failed to set group addr table: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_service_period_timeout(struct wl1271 *wl) +{ + struct acx_rx_timeout *rx_timeout; + int ret; + + rx_timeout = kzalloc(sizeof(*rx_timeout), GFP_KERNEL); + if (!rx_timeout) { + ret = -ENOMEM; + goto out; + } + + wl1271_debug(DEBUG_ACX, "acx service period timeout"); + + rx_timeout->ps_poll_timeout = RX_TIMEOUT_PS_POLL_DEF; + rx_timeout->upsd_timeout = RX_TIMEOUT_UPSD_DEF; + + ret = wl1271_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT, + rx_timeout, sizeof(*rx_timeout)); + if (ret < 0) { + wl1271_warning("failed to set service period timeout: %d", + ret); + goto out; + } + +out: + kfree(rx_timeout); + return ret; +} + +int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold) +{ + struct acx_rts_threshold *rts; + int ret; + + wl1271_debug(DEBUG_ACX, "acx rts threshold"); + + rts = kzalloc(sizeof(*rts), GFP_KERNEL); + if (!rts) { + ret = -ENOMEM; + goto out; + } + + rts->threshold = rts_threshold; + + ret = wl1271_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts)); + if (ret < 0) { + wl1271_warning("failed to set rts threshold: %d", ret); + goto out; + } + +out: + kfree(rts); + return ret; +} + +int wl1271_acx_beacon_filter_opt(struct wl1271 *wl) +{ + struct acx_beacon_filter_option *beacon_filter; + int ret; + + wl1271_debug(DEBUG_ACX, "acx beacon filter opt"); + + beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL); + if (!beacon_filter) { + ret = -ENOMEM; + goto out; + } + + beacon_filter->enable = 0; + beacon_filter->max_num_beacons = 0; + + ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_OPT, + beacon_filter, sizeof(*beacon_filter)); + if (ret < 0) { + wl1271_warning("failed to set beacon filter opt: %d", ret); + goto out; + } + +out: + kfree(beacon_filter); + return ret; +} + +int wl1271_acx_beacon_filter_table(struct wl1271 *wl) +{ + struct acx_beacon_filter_ie_table *ie_table; + int ret; + + wl1271_debug(DEBUG_ACX, "acx beacon filter table"); + + ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL); + if (!ie_table) { + ret = -ENOMEM; + goto out; + } + + ie_table->num_ie = 0; + memset(ie_table->table, 0, BEACON_FILTER_TABLE_MAX_SIZE); + + ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE, + ie_table, sizeof(*ie_table)); + if (ret < 0) { + wl1271_warning("failed to set beacon filter table: %d", ret); + goto out; + } + +out: + kfree(ie_table); + return ret; +} + +int wl1271_acx_sg_enable(struct wl1271 *wl) +{ + struct acx_bt_wlan_coex *pta; + int ret; + + wl1271_debug(DEBUG_ACX, "acx sg enable"); + + pta = kzalloc(sizeof(*pta), GFP_KERNEL); + if (!pta) { + ret = -ENOMEM; + goto out; + } + + pta->enable = SG_ENABLE; + + ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta)); + if (ret < 0) { + wl1271_warning("failed to set softgemini enable: %d", ret); + goto out; + } + +out: + kfree(pta); + return ret; +} + +int wl1271_acx_sg_cfg(struct wl1271 *wl) +{ + struct acx_bt_wlan_coex_param *param; + int ret; + + wl1271_debug(DEBUG_ACX, "acx sg cfg"); + + param = kzalloc(sizeof(*param), GFP_KERNEL); + if (!param) { + ret = -ENOMEM; + goto out; + } + + /* BT-WLAN coext parameters */ + param->min_rate = RATE_INDEX_24MBPS; + param->bt_hp_max_time = PTA_BT_HP_MAXTIME_DEF; + param->wlan_hp_max_time = PTA_WLAN_HP_MAX_TIME_DEF; + param->sense_disable_timer = PTA_SENSE_DISABLE_TIMER_DEF; + param->rx_time_bt_hp = PTA_PROTECTIVE_RX_TIME_DEF; + param->tx_time_bt_hp = PTA_PROTECTIVE_TX_TIME_DEF; + param->rx_time_bt_hp_fast = PTA_PROTECTIVE_RX_TIME_FAST_DEF; + param->tx_time_bt_hp_fast = PTA_PROTECTIVE_TX_TIME_FAST_DEF; + param->wlan_cycle_fast = PTA_CYCLE_TIME_FAST_DEF; + param->bt_anti_starvation_period = PTA_ANTI_STARVE_PERIOD_DEF; + param->next_bt_lp_packet = PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF; + param->wake_up_beacon = PTA_TIME_BEFORE_BEACON_DEF; + param->hp_dm_max_guard_time = PTA_HPDM_MAX_TIME_DEF; + param->next_wlan_packet = PTA_TIME_OUT_NEXT_WLAN_DEF; + param->antenna_type = PTA_ANTENNA_TYPE_DEF; + param->signal_type = PTA_SIGNALING_TYPE_DEF; + param->afh_leverage_on = PTA_AFH_LEVERAGE_ON_DEF; + param->quiet_cycle_num = PTA_NUMBER_QUIET_CYCLE_DEF; + param->max_cts = PTA_MAX_NUM_CTS_DEF; + param->wlan_packets_num = PTA_NUMBER_OF_WLAN_PACKETS_DEF; + param->bt_packets_num = PTA_NUMBER_OF_BT_PACKETS_DEF; + param->missed_rx_avalanche = PTA_RX_FOR_AVALANCHE_DEF; + param->wlan_elp_hp = PTA_ELP_HP_DEF; + param->bt_anti_starvation_cycles = PTA_ANTI_STARVE_NUM_CYCLE_DEF; + param->ack_mode_dual_ant = PTA_ACK_MODE_DEF; + param->pa_sd_enable = PTA_ALLOW_PA_SD_DEF; + param->pta_auto_mode_enable = PTA_AUTO_MODE_NO_CTS_DEF; + param->bt_hp_respected_num = PTA_BT_HP_RESPECTED_DEF; + + ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param)); + if (ret < 0) { + wl1271_warning("failed to set sg config: %d", ret); + goto out; + } + +out: + kfree(param); + return ret; +} + +int wl1271_acx_cca_threshold(struct wl1271 *wl) +{ + struct acx_energy_detection *detection; + int ret; + + wl1271_debug(DEBUG_ACX, "acx cca threshold"); + + detection = kzalloc(sizeof(*detection), GFP_KERNEL); + if (!detection) { + ret = -ENOMEM; + goto out; + } + + detection->rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D; + detection->tx_energy_detection = 0; + + ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD, + detection, sizeof(*detection)); + if (ret < 0) { + wl1271_warning("failed to set cca threshold: %d", ret); + return ret; + } + +out: + kfree(detection); + return ret; +} + +int wl1271_acx_bcn_dtim_options(struct wl1271 *wl) +{ + struct acx_beacon_broadcast *bb; + int ret; + + wl1271_debug(DEBUG_ACX, "acx bcn dtim options"); + + bb = kzalloc(sizeof(*bb), GFP_KERNEL); + if (!bb) { + ret = -ENOMEM; + goto out; + } + + bb->beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE; + bb->broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE; + bb->rx_broadcast_in_ps = RX_BROADCAST_IN_PS_DEF_VALUE; + bb->ps_poll_threshold = CONSECUTIVE_PS_POLL_FAILURE_DEF; + + ret = wl1271_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb)); + if (ret < 0) { + wl1271_warning("failed to set rx config: %d", ret); + goto out; + } + +out: + kfree(bb); + return ret; +} + +int wl1271_acx_aid(struct wl1271 *wl, u16 aid) +{ + struct acx_aid *acx_aid; + int ret; + + wl1271_debug(DEBUG_ACX, "acx aid"); + + acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL); + if (!acx_aid) { + ret = -ENOMEM; + goto out; + } + + acx_aid->aid = aid; + + ret = wl1271_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid)); + if (ret < 0) { + wl1271_warning("failed to set aid: %d", ret); + goto out; + } + +out: + kfree(acx_aid); + return ret; +} + +int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask) +{ + struct acx_event_mask *mask; + int ret; + + wl1271_debug(DEBUG_ACX, "acx event mbox mask"); + + mask = kzalloc(sizeof(*mask), GFP_KERNEL); + if (!mask) { + ret = -ENOMEM; + goto out; + } + + /* high event mask is unused */ + mask->high_event_mask = 0xffffffff; + + mask->event_mask = event_mask; + + ret = wl1271_cmd_configure(wl, ACX_EVENT_MBOX_MASK, + mask, sizeof(*mask)); + if (ret < 0) { + wl1271_warning("failed to set acx_event_mbox_mask: %d", ret); + goto out; + } + +out: + kfree(mask); + return ret; +} + +int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble) +{ + struct acx_preamble *acx; + int ret; + + wl1271_debug(DEBUG_ACX, "acx_set_preamble"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->preamble = preamble; + + ret = wl1271_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("Setting of preamble failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_cts_protect(struct wl1271 *wl, + enum acx_ctsprotect_type ctsprotect) +{ + struct acx_ctsprotect *acx; + int ret; + + wl1271_debug(DEBUG_ACX, "acx_set_ctsprotect"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->ctsprotect = ctsprotect; + + ret = wl1271_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("Setting of ctsprotect failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats) +{ + int ret; + + wl1271_debug(DEBUG_ACX, "acx statistics"); + + ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats, + sizeof(*stats)); + if (ret < 0) { + wl1271_warning("acx statistics failed: %d", ret); + return -ENOMEM; + } + + return 0; +} + +int wl1271_acx_rate_policies(struct wl1271 *wl) +{ + struct acx_rate_policy *acx; + int ret = 0; + + wl1271_debug(DEBUG_ACX, "acx rate policies"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + + if (!acx) { + ret = -ENOMEM; + goto out; + } + + /* configure one default (one-size-fits-all) rate class */ + acx->rate_class_cnt = 1; + acx->rate_class[0].enabled_rates = ACX_RATE_MASK_ALL; + acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT; + acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT; + acx->rate_class[0].aflags = 0; + + ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("Setting of rate policies failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_ac_cfg(struct wl1271 *wl) +{ + struct acx_ac_cfg *acx; + int i, ret = 0; + + wl1271_debug(DEBUG_ACX, "acx access category config"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + + if (!acx) { + ret = -ENOMEM; + goto out; + } + + /* + * FIXME: Configure each AC with appropriate values (most suitable + * values will probably be different for each AC. + */ + for (i = 0; i < WL1271_ACX_AC_COUNT; i++) { + acx->ac = i; + + /* + * FIXME: The following default values originate from + * the TI reference driver. What do they mean? + */ + acx->cw_min = 15; + acx->cw_max = 63; + acx->aifsn = 3; + acx->reserved = 0; + acx->tx_op_limit = 0; + + ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("Setting of access category " + "config: %d", ret); + goto out; + } + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_tid_cfg(struct wl1271 *wl) +{ + struct acx_tid_config *acx; + int i, ret = 0; + + wl1271_debug(DEBUG_ACX, "acx tid config"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + + if (!acx) { + ret = -ENOMEM; + goto out; + } + + /* FIXME: configure each TID with a different AC reference */ + for (i = 0; i < WL1271_ACX_TID_COUNT; i++) { + acx->queue_id = i; + acx->tsid = WL1271_ACX_AC_BE; + acx->ps_scheme = WL1271_ACX_PS_SCHEME_LEGACY; + acx->ack_policy = WL1271_ACX_ACK_POLICY_LEGACY; + + ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("Setting of tid config failed: %d", ret); + goto out; + } + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_frag_threshold(struct wl1271 *wl) +{ + struct acx_frag_threshold *acx; + int ret = 0; + + wl1271_debug(DEBUG_ACX, "acx frag threshold"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD; + ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("Setting of frag threshold failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_tx_config_options(struct wl1271 *wl) +{ + struct acx_tx_config_options *acx; + int ret = 0; + + wl1271_debug(DEBUG_ACX, "acx tx config options"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->tx_compl_timeout = WL1271_ACX_TX_COMPL_TIMEOUT; + acx->tx_compl_threshold = WL1271_ACX_TX_COMPL_THRESHOLD; + ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("Setting of tx options failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_mem_cfg(struct wl1271 *wl) +{ + struct wl1271_acx_config_memory *mem_conf; + int ret; + + wl1271_debug(DEBUG_ACX, "wl1271 mem cfg"); + + mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL); + if (!mem_conf) { + ret = -ENOMEM; + goto out; + } + + /* memory config */ + mem_conf->num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS); + mem_conf->rx_mem_block_num = ACX_RX_MEM_BLOCKS; + mem_conf->tx_min_mem_block_num = ACX_TX_MIN_MEM_BLOCKS; + mem_conf->num_ssid_profiles = ACX_NUM_SSID_PROFILES; + mem_conf->total_tx_descriptors = ACX_TX_DESCRIPTORS; + + ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf, + sizeof(*mem_conf)); + if (ret < 0) { + wl1271_warning("wl1271 mem config failed: %d", ret); + goto out; + } + +out: + kfree(mem_conf); + return ret; +} + +int wl1271_acx_init_mem_config(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_mem_cfg(wl); + if (ret < 0) + return ret; + + wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map), + GFP_KERNEL); + if (!wl->target_mem_map) { + wl1271_error("couldn't allocate target memory map"); + return -ENOMEM; + } + + /* we now ask for the firmware built memory map */ + ret = wl1271_acx_mem_map(wl, (void *)wl->target_mem_map, + sizeof(struct wl1271_acx_mem_map)); + if (ret < 0) { + wl1271_error("couldn't retrieve firmware memory map"); + kfree(wl->target_mem_map); + wl->target_mem_map = NULL; + return ret; + } + + /* initialize TX block book keeping */ + wl->tx_blocks_available = wl->target_mem_map->num_tx_mem_blocks; + wl1271_debug(DEBUG_TX, "available tx blocks: %d", + wl->tx_blocks_available); + + return 0; +} + +int wl1271_acx_init_rx_interrupt(struct wl1271 *wl) +{ + struct wl1271_acx_rx_config_opt *rx_conf; + int ret; + + wl1271_debug(DEBUG_ACX, "wl1271 rx interrupt config"); + + rx_conf = kzalloc(sizeof(*rx_conf), GFP_KERNEL); + if (!rx_conf) { + ret = -ENOMEM; + goto out; + } + + rx_conf->threshold = WL1271_RX_INTR_THRESHOLD_DEF; + rx_conf->timeout = WL1271_RX_INTR_TIMEOUT_DEF; + rx_conf->mblk_threshold = USHORT_MAX; /* Disabled */ + rx_conf->queue_type = RX_QUEUE_TYPE_RX_LOW_PRIORITY; + + ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf, + sizeof(*rx_conf)); + if (ret < 0) { + wl1271_warning("wl1271 rx config opt failed: %d", ret); + goto out; + } + +out: + kfree(rx_conf); + return ret; +} diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h new file mode 100644 index 000000000000..9068daaf0ddf --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_acx.h @@ -0,0 +1,1221 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. + * Copyright (C) 2008-2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1271_ACX_H__ +#define __WL1271_ACX_H__ + +#include "wl1271.h" +#include "wl1271_cmd.h" + +/************************************************************************* + + Host Interrupt Register (WiLink -> Host) + +**************************************************************************/ +/* HW Initiated interrupt Watchdog timer expiration */ +#define WL1271_ACX_INTR_WATCHDOG BIT(0) +/* Init sequence is done (masked interrupt, detection through polling only ) */ +#define WL1271_ACX_INTR_INIT_COMPLETE BIT(1) +/* Event was entered to Event MBOX #A*/ +#define WL1271_ACX_INTR_EVENT_A BIT(2) +/* Event was entered to Event MBOX #B*/ +#define WL1271_ACX_INTR_EVENT_B BIT(3) +/* Command processing completion*/ +#define WL1271_ACX_INTR_CMD_COMPLETE BIT(4) +/* Signaling the host on HW wakeup */ +#define WL1271_ACX_INTR_HW_AVAILABLE BIT(5) +/* The MISC bit is used for aggregation of RX, TxComplete and TX rate update */ +#define WL1271_ACX_INTR_DATA BIT(6) +/* Trace meassge on MBOX #A */ +#define WL1271_ACX_INTR_TRACE_A BIT(7) +/* Trace meassge on MBOX #B */ +#define WL1271_ACX_INTR_TRACE_B BIT(8) + +#define WL1271_ACX_INTR_ALL 0xFFFFFFFF +#define WL1271_ACX_ALL_EVENTS_VECTOR (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_INIT_COMPLETE | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_CMD_COMPLETE | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA) + +#define WL1271_INTR_MASK (WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_DATA) + +/* Target's information element */ +struct acx_header { + struct wl1271_cmd_header cmd; + + /* acx (or information element) header */ + u16 id; + + /* payload length (not including headers */ + u16 len; +}; + +struct acx_error_counter { + struct acx_header header; + + /* The number of PLCP errors since the last time this */ + /* information element was interrogated. This field is */ + /* automatically cleared when it is interrogated.*/ + u32 PLCP_error; + + /* The number of FCS errors since the last time this */ + /* information element was interrogated. This field is */ + /* automatically cleared when it is interrogated.*/ + u32 FCS_error; + + /* The number of MPDUs without PLCP header errors received*/ + /* since the last time this information element was interrogated. */ + /* This field is automatically cleared when it is interrogated.*/ + u32 valid_frame; + + /* the number of missed sequence numbers in the squentially */ + /* values of frames seq numbers */ + u32 seq_num_miss; +} __attribute__ ((packed)); + +struct acx_revision { + struct acx_header header; + + /* + * The WiLink firmware version, an ASCII string x.x.x.x, + * that uniquely identifies the current firmware. + * The left most digit is incremented each time a + * significant change is made to the firmware, such as + * code redesign or new platform support. + * The second digit is incremented when major enhancements + * are added or major fixes are made. + * The third digit is incremented for each GA release. + * The fourth digit is incremented for each build. + * The first two digits identify a firmware release version, + * in other words, a unique set of features. + * The first three digits identify a GA release. + */ + char fw_version[20]; + + /* + * This 4 byte field specifies the WiLink hardware version. + * bits 0 - 15: Reserved. + * bits 16 - 23: Version ID - The WiLink version ID + * (1 = first spin, 2 = second spin, and so on). + * bits 24 - 31: Chip ID - The WiLink chip ID. + */ + u32 hw_version; +} __attribute__ ((packed)); + +enum wl1271_psm_mode { + /* Active mode */ + WL1271_PSM_CAM = 0, + + /* Power save mode */ + WL1271_PSM_PS = 1, + + /* Extreme low power */ + WL1271_PSM_ELP = 2, +}; + +struct acx_sleep_auth { + struct acx_header header; + + /* The sleep level authorization of the device. */ + /* 0 - Always active*/ + /* 1 - Power down mode: light / fast sleep*/ + /* 2 - ELP mode: Deep / Max sleep*/ + u8 sleep_auth; + u8 padding[3]; +} __attribute__ ((packed)); + +enum { + HOSTIF_PCI_MASTER_HOST_INDIRECT, + HOSTIF_PCI_MASTER_HOST_DIRECT, + HOSTIF_SLAVE, + HOSTIF_PKT_RING, + HOSTIF_DONTCARE = 0xFF +}; + +#define DEFAULT_UCAST_PRIORITY 0 +#define DEFAULT_RX_Q_PRIORITY 0 +#define DEFAULT_NUM_STATIONS 1 +#define DEFAULT_RXQ_PRIORITY 0 /* low 0 .. 15 high */ +#define DEFAULT_RXQ_TYPE 0x07 /* All frames, Data/Ctrl/Mgmt */ +#define TRACE_BUFFER_MAX_SIZE 256 + +#define DP_RX_PACKET_RING_CHUNK_SIZE 1600 +#define DP_TX_PACKET_RING_CHUNK_SIZE 1600 +#define DP_RX_PACKET_RING_CHUNK_NUM 2 +#define DP_TX_PACKET_RING_CHUNK_NUM 2 +#define DP_TX_COMPLETE_TIME_OUT 20 +#define FW_TX_CMPLT_BLOCK_SIZE 16 + +#define TX_MSDU_LIFETIME_MIN 0 +#define TX_MSDU_LIFETIME_MAX 3000 +#define TX_MSDU_LIFETIME_DEF 512 +#define RX_MSDU_LIFETIME_MIN 0 +#define RX_MSDU_LIFETIME_MAX 0xFFFFFFFF +#define RX_MSDU_LIFETIME_DEF 512000 + +struct acx_rx_msdu_lifetime { + struct acx_header header; + + /* + * The maximum amount of time, in TU, before the + * firmware discards the MSDU. + */ + u32 lifetime; +} __attribute__ ((packed)); + +/* + * RX Config Options Table + * Bit Definition + * === ========== + * 31:14 Reserved + * 13 Copy RX Status - when set, write three receive status words + * to top of rx'd MPDUs. + * When cleared, do not write three status words (added rev 1.5) + * 12 Reserved + * 11 RX Complete upon FCS error - when set, give rx complete + * interrupt for FCS errors, after the rx filtering, e.g. unicast + * frames not to us with FCS error will not generate an interrupt. + * 10 SSID Filter Enable - When set, the WiLink discards all beacon, + * probe request, and probe response frames with an SSID that does + * not match the SSID specified by the host in the START/JOIN + * command. + * When clear, the WiLink receives frames with any SSID. + * 9 Broadcast Filter Enable - When set, the WiLink discards all + * broadcast frames. When clear, the WiLink receives all received + * broadcast frames. + * 8:6 Reserved + * 5 BSSID Filter Enable - When set, the WiLink discards any frames + * with a BSSID that does not match the BSSID specified by the + * host. + * When clear, the WiLink receives frames from any BSSID. + * 4 MAC Addr Filter - When set, the WiLink discards any frames + * with a destination address that does not match the MAC address + * of the adaptor. + * When clear, the WiLink receives frames destined to any MAC + * address. + * 3 Promiscuous - When set, the WiLink receives all valid frames + * (i.e., all frames that pass the FCS check). + * When clear, only frames that pass the other filters specified + * are received. + * 2 FCS - When set, the WiLink includes the FCS with the received + * frame. + * When cleared, the FCS is discarded. + * 1 PLCP header - When set, write all data from baseband to frame + * buffer including PHY header. + * 0 Reserved - Always equal to 0. + * + * RX Filter Options Table + * Bit Definition + * === ========== + * 31:12 Reserved - Always equal to 0. + * 11 Association - When set, the WiLink receives all association + * related frames (association request/response, reassocation + * request/response, and disassociation). When clear, these frames + * are discarded. + * 10 Auth/De auth - When set, the WiLink receives all authentication + * and de-authentication frames. When clear, these frames are + * discarded. + * 9 Beacon - When set, the WiLink receives all beacon frames. + * When clear, these frames are discarded. + * 8 Contention Free - When set, the WiLink receives all contention + * free frames. + * When clear, these frames are discarded. + * 7 Control - When set, the WiLink receives all control frames. + * When clear, these frames are discarded. + * 6 Data - When set, the WiLink receives all data frames. + * When clear, these frames are discarded. + * 5 FCS Error - When set, the WiLink receives frames that have FCS + * errors. + * When clear, these frames are discarded. + * 4 Management - When set, the WiLink receives all management + * frames. + * When clear, these frames are discarded. + * 3 Probe Request - When set, the WiLink receives all probe request + * frames. + * When clear, these frames are discarded. + * 2 Probe Response - When set, the WiLink receives all probe + * response frames. + * When clear, these frames are discarded. + * 1 RTS/CTS/ACK - When set, the WiLink receives all RTS, CTS and ACK + * frames. + * When clear, these frames are discarded. + * 0 Rsvd Type/Sub Type - When set, the WiLink receives all frames + * that have reserved frame types and sub types as defined by the + * 802.11 specification. + * When clear, these frames are discarded. + */ +struct acx_rx_config { + struct acx_header header; + + u32 config_options; + u32 filter_options; +} __attribute__ ((packed)); + +struct acx_packet_detection { + struct acx_header header; + + u32 threshold; +} __attribute__ ((packed)); + + +enum acx_slot_type { + SLOT_TIME_LONG = 0, + SLOT_TIME_SHORT = 1, + DEFAULT_SLOT_TIME = SLOT_TIME_SHORT, + MAX_SLOT_TIMES = 0xFF +}; + +#define STATION_WONE_INDEX 0 + +struct acx_slot { + struct acx_header header; + + u8 wone_index; /* Reserved */ + u8 slot_time; + u8 reserved[6]; +} __attribute__ ((packed)); + + +#define ADDRESS_GROUP_MAX (8) +#define ADDRESS_GROUP_MAX_LEN (ETH_ALEN * ADDRESS_GROUP_MAX) + +struct acx_dot11_grp_addr_tbl { + struct acx_header header; + + u8 enabled; + u8 num_groups; + u8 pad[2]; + u8 mac_table[ADDRESS_GROUP_MAX_LEN]; +} __attribute__ ((packed)); + + +#define RX_TIMEOUT_PS_POLL_MIN 0 +#define RX_TIMEOUT_PS_POLL_MAX (200000) +#define RX_TIMEOUT_PS_POLL_DEF (15) +#define RX_TIMEOUT_UPSD_MIN 0 +#define RX_TIMEOUT_UPSD_MAX (200000) +#define RX_TIMEOUT_UPSD_DEF (15) + +struct acx_rx_timeout { + struct acx_header header; + + /* + * The longest time the STA will wait to receive + * traffic from the AP after a PS-poll has been + * transmitted. + */ + u16 ps_poll_timeout; + + /* + * The longest time the STA will wait to receive + * traffic from the AP after a frame has been sent + * from an UPSD enabled queue. + */ + u16 upsd_timeout; +} __attribute__ ((packed)); + +#define RTS_THRESHOLD_MIN 0 +#define RTS_THRESHOLD_MAX 4096 +#define RTS_THRESHOLD_DEF 2347 + +struct acx_rts_threshold { + struct acx_header header; + + u16 threshold; + u8 pad[2]; +} __attribute__ ((packed)); + +struct acx_beacon_filter_option { + struct acx_header header; + + u8 enable; + + /* + * The number of beacons without the unicast TIM + * bit set that the firmware buffers before + * signaling the host about ready frames. + * When set to 0 and the filter is enabled, beacons + * without the unicast TIM bit set are dropped. + */ + u8 max_num_beacons; + u8 pad[2]; +} __attribute__ ((packed)); + +/* + * ACXBeaconFilterEntry (not 221) + * Byte Offset Size (Bytes) Definition + * =========== ============ ========== + * 0 1 IE identifier + * 1 1 Treatment bit mask + * + * ACXBeaconFilterEntry (221) + * Byte Offset Size (Bytes) Definition + * =========== ============ ========== + * 0 1 IE identifier + * 1 1 Treatment bit mask + * 2 3 OUI + * 5 1 Type + * 6 2 Version + * + * + * Treatment bit mask - The information element handling: + * bit 0 - The information element is compared and transferred + * in case of change. + * bit 1 - The information element is transferred to the host + * with each appearance or disappearance. + * Note that both bits can be set at the same time. + */ +#define BEACON_FILTER_TABLE_MAX_IE_NUM (32) +#define BEACON_FILTER_TABLE_MAX_VENDOR_SPECIFIC_IE_NUM (6) +#define BEACON_FILTER_TABLE_IE_ENTRY_SIZE (2) +#define BEACON_FILTER_TABLE_EXTRA_VENDOR_SPECIFIC_IE_SIZE (6) +#define BEACON_FILTER_TABLE_MAX_SIZE ((BEACON_FILTER_TABLE_MAX_IE_NUM * \ + BEACON_FILTER_TABLE_IE_ENTRY_SIZE) + \ + (BEACON_FILTER_TABLE_MAX_VENDOR_SPECIFIC_IE_NUM * \ + BEACON_FILTER_TABLE_EXTRA_VENDOR_SPECIFIC_IE_SIZE)) + +struct acx_beacon_filter_ie_table { + struct acx_header header; + + u8 num_ie; + u8 table[BEACON_FILTER_TABLE_MAX_SIZE]; + u8 pad[3]; +} __attribute__ ((packed)); + +enum { + SG_ENABLE = 0, + SG_DISABLE, + SG_SENSE_NO_ACTIVITY, + SG_SENSE_ACTIVE +}; + +struct acx_bt_wlan_coex { + struct acx_header header; + + /* + * 0 -> PTA enabled + * 1 -> PTA disabled + * 2 -> sense no active mode, i.e. + * an interrupt is sent upon + * BT activity. + * 3 -> PTA is switched on in response + * to the interrupt sending. + */ + u8 enable; + u8 pad[3]; +} __attribute__ ((packed)); + +#define PTA_ANTENNA_TYPE_DEF (0) +#define PTA_BT_HP_MAXTIME_DEF (2000) +#define PTA_WLAN_HP_MAX_TIME_DEF (5000) +#define PTA_SENSE_DISABLE_TIMER_DEF (1350) +#define PTA_PROTECTIVE_RX_TIME_DEF (1500) +#define PTA_PROTECTIVE_TX_TIME_DEF (1500) +#define PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF (3000) +#define PTA_SIGNALING_TYPE_DEF (1) +#define PTA_AFH_LEVERAGE_ON_DEF (0) +#define PTA_NUMBER_QUIET_CYCLE_DEF (0) +#define PTA_MAX_NUM_CTS_DEF (3) +#define PTA_NUMBER_OF_WLAN_PACKETS_DEF (2) +#define PTA_NUMBER_OF_BT_PACKETS_DEF (2) +#define PTA_PROTECTIVE_RX_TIME_FAST_DEF (1500) +#define PTA_PROTECTIVE_TX_TIME_FAST_DEF (3000) +#define PTA_CYCLE_TIME_FAST_DEF (8700) +#define PTA_RX_FOR_AVALANCHE_DEF (5) +#define PTA_ELP_HP_DEF (0) +#define PTA_ANTI_STARVE_PERIOD_DEF (500) +#define PTA_ANTI_STARVE_NUM_CYCLE_DEF (4) +#define PTA_ALLOW_PA_SD_DEF (1) +#define PTA_TIME_BEFORE_BEACON_DEF (6300) +#define PTA_HPDM_MAX_TIME_DEF (1600) +#define PTA_TIME_OUT_NEXT_WLAN_DEF (2550) +#define PTA_AUTO_MODE_NO_CTS_DEF (0) +#define PTA_BT_HP_RESPECTED_DEF (3) +#define PTA_WLAN_RX_MIN_RATE_DEF (24) +#define PTA_ACK_MODE_DEF (1) + +struct acx_bt_wlan_coex_param { + struct acx_header header; + + /* + * The minimum rate of a received WLAN packet in the STA, + * during protective mode, of which a new BT-HP request + * during this Rx will always be respected and gain the antenna. + */ + u32 min_rate; + + /* Max time the BT HP will be respected. */ + u16 bt_hp_max_time; + + /* Max time the WLAN HP will be respected. */ + u16 wlan_hp_max_time; + + /* + * The time between the last BT activity + * and the moment when the sense mode returns + * to SENSE_INACTIVE. + */ + u16 sense_disable_timer; + + /* Time before the next BT HP instance */ + u16 rx_time_bt_hp; + u16 tx_time_bt_hp; + + /* range: 10-20000 default: 1500 */ + u16 rx_time_bt_hp_fast; + u16 tx_time_bt_hp_fast; + + /* range: 2000-65535 default: 8700 */ + u16 wlan_cycle_fast; + + /* range: 0 - 15000 (Msec) default: 1000 */ + u16 bt_anti_starvation_period; + + /* range 400-10000(Usec) default: 3000 */ + u16 next_bt_lp_packet; + + /* Deafult: worst case for BT DH5 traffic */ + u16 wake_up_beacon; + + /* range: 0-50000(Usec) default: 1050 */ + u16 hp_dm_max_guard_time; + + /* + * This is to prevent both BT & WLAN antenna + * starvation. + * Range: 100-50000(Usec) default:2550 + */ + u16 next_wlan_packet; + + /* 0 -> shared antenna */ + u8 antenna_type; + + /* + * 0 -> TI legacy + * 1 -> Palau + */ + u8 signal_type; + + /* + * BT AFH status + * 0 -> no AFH + * 1 -> from dedicated GPIO + * 2 -> AFH on (from host) + */ + u8 afh_leverage_on; + + /* + * The number of cycles during which no + * TX will be sent after 1 cycle of RX + * transaction in protective mode + */ + u8 quiet_cycle_num; + + /* + * The maximum number of CTSs that will + * be sent for receiving RX packet in + * protective mode + */ + u8 max_cts; + + /* + * The number of WLAN packets + * transferred in common mode before + * switching to BT. + */ + u8 wlan_packets_num; + + /* + * The number of BT packets + * transferred in common mode before + * switching to WLAN. + */ + u8 bt_packets_num; + + /* range: 1-255 default: 5 */ + u8 missed_rx_avalanche; + + /* range: 0-1 default: 1 */ + u8 wlan_elp_hp; + + /* range: 0 - 15 default: 4 */ + u8 bt_anti_starvation_cycles; + + u8 ack_mode_dual_ant; + + /* + * Allow PA_SD assertion/de-assertion + * during enabled BT activity. + */ + u8 pa_sd_enable; + + /* + * Enable/Disable PTA in auto mode: + * Support Both Active & P.S modes + */ + u8 pta_auto_mode_enable; + + /* range: 0 - 20 default: 1 */ + u8 bt_hp_respected_num; +} __attribute__ ((packed)); + +#define CCA_THRSH_ENABLE_ENERGY_D 0x140A +#define CCA_THRSH_DISABLE_ENERGY_D 0xFFEF + +struct acx_energy_detection { + struct acx_header header; + + /* The RX Clear Channel Assessment threshold in the PHY */ + u16 rx_cca_threshold; + u8 tx_energy_detection; + u8 pad; +} __attribute__ ((packed)); + +#define BCN_RX_TIMEOUT_DEF_VALUE 10000 +#define BROADCAST_RX_TIMEOUT_DEF_VALUE 20000 +#define RX_BROADCAST_IN_PS_DEF_VALUE 1 +#define CONSECUTIVE_PS_POLL_FAILURE_DEF 4 + +struct acx_beacon_broadcast { + struct acx_header header; + + u16 beacon_rx_timeout; + u16 broadcast_timeout; + + /* Enables receiving of broadcast packets in PS mode */ + u8 rx_broadcast_in_ps; + + /* Consecutive PS Poll failures before updating the host */ + u8 ps_poll_threshold; + u8 pad[2]; +} __attribute__ ((packed)); + +struct acx_event_mask { + struct acx_header header; + + u32 event_mask; + u32 high_event_mask; /* Unused */ +} __attribute__ ((packed)); + +#define CFG_RX_FCS BIT(2) +#define CFG_RX_ALL_GOOD BIT(3) +#define CFG_UNI_FILTER_EN BIT(4) +#define CFG_BSSID_FILTER_EN BIT(5) +#define CFG_MC_FILTER_EN BIT(6) +#define CFG_MC_ADDR0_EN BIT(7) +#define CFG_MC_ADDR1_EN BIT(8) +#define CFG_BC_REJECT_EN BIT(9) +#define CFG_SSID_FILTER_EN BIT(10) +#define CFG_RX_INT_FCS_ERROR BIT(11) +#define CFG_RX_INT_ENCRYPTED BIT(12) +#define CFG_RX_WR_RX_STATUS BIT(13) +#define CFG_RX_FILTER_NULTI BIT(14) +#define CFG_RX_RESERVE BIT(15) +#define CFG_RX_TIMESTAMP_TSF BIT(16) + +#define CFG_RX_RSV_EN BIT(0) +#define CFG_RX_RCTS_ACK BIT(1) +#define CFG_RX_PRSP_EN BIT(2) +#define CFG_RX_PREQ_EN BIT(3) +#define CFG_RX_MGMT_EN BIT(4) +#define CFG_RX_FCS_ERROR BIT(5) +#define CFG_RX_DATA_EN BIT(6) +#define CFG_RX_CTL_EN BIT(7) +#define CFG_RX_CF_EN BIT(8) +#define CFG_RX_BCN_EN BIT(9) +#define CFG_RX_AUTH_EN BIT(10) +#define CFG_RX_ASSOC_EN BIT(11) + +#define SCAN_PASSIVE BIT(0) +#define SCAN_5GHZ_BAND BIT(1) +#define SCAN_TRIGGERED BIT(2) +#define SCAN_PRIORITY_HIGH BIT(3) + +struct acx_feature_config { + struct acx_header header; + + u32 options; + u32 data_flow_options; +} __attribute__ ((packed)); + +struct acx_current_tx_power { + struct acx_header header; + + u8 current_tx_power; + u8 padding[3]; +} __attribute__ ((packed)); + +enum acx_wake_up_event { + WAKE_UP_EVENT_BEACON_BITMAP = 0x01, /* Wake on every Beacon*/ + WAKE_UP_EVENT_DTIM_BITMAP = 0x02, /* Wake on every DTIM*/ + WAKE_UP_EVENT_N_DTIM_BITMAP = 0x04, /* Wake on every Nth DTIM */ + WAKE_UP_EVENT_N_BEACONS_BITMAP = 0x08, /* Wake on every Nth Beacon */ + WAKE_UP_EVENT_BITS_MASK = 0x0F +}; + +struct acx_wake_up_condition { + struct acx_header header; + + u8 wake_up_event; /* Only one bit can be set */ + u8 listen_interval; + u8 pad[2]; +} __attribute__ ((packed)); + +struct acx_aid { + struct acx_header header; + + /* + * To be set when associated with an AP. + */ + u16 aid; + u8 pad[2]; +} __attribute__ ((packed)); + +enum acx_preamble_type { + ACX_PREAMBLE_LONG = 0, + ACX_PREAMBLE_SHORT = 1 +}; + +struct acx_preamble { + struct acx_header header; + + /* + * When set, the WiLink transmits the frames with a short preamble and + * when cleared, the WiLink transmits the frames with a long preamble. + */ + u8 preamble; + u8 padding[3]; +} __attribute__ ((packed)); + +enum acx_ctsprotect_type { + CTSPROTECT_DISABLE = 0, + CTSPROTECT_ENABLE = 1 +}; + +struct acx_ctsprotect { + struct acx_header header; + u8 ctsprotect; + u8 padding[3]; +} __attribute__ ((packed)); + +struct acx_tx_statistics { + u32 internal_desc_overflow; +} __attribute__ ((packed)); + +struct acx_rx_statistics { + u32 out_of_mem; + u32 hdr_overflow; + u32 hw_stuck; + u32 dropped; + u32 fcs_err; + u32 xfr_hint_trig; + u32 path_reset; + u32 reset_counter; +} __attribute__ ((packed)); + +struct acx_dma_statistics { + u32 rx_requested; + u32 rx_errors; + u32 tx_requested; + u32 tx_errors; +} __attribute__ ((packed)); + +struct acx_isr_statistics { + /* host command complete */ + u32 cmd_cmplt; + + /* fiqisr() */ + u32 fiqs; + + /* (INT_STS_ND & INT_TRIG_RX_HEADER) */ + u32 rx_headers; + + /* (INT_STS_ND & INT_TRIG_RX_CMPLT) */ + u32 rx_completes; + + /* (INT_STS_ND & INT_TRIG_NO_RX_BUF) */ + u32 rx_mem_overflow; + + /* (INT_STS_ND & INT_TRIG_S_RX_RDY) */ + u32 rx_rdys; + + /* irqisr() */ + u32 irqs; + + /* (INT_STS_ND & INT_TRIG_TX_PROC) */ + u32 tx_procs; + + /* (INT_STS_ND & INT_TRIG_DECRYPT_DONE) */ + u32 decrypt_done; + + /* (INT_STS_ND & INT_TRIG_DMA0) */ + u32 dma0_done; + + /* (INT_STS_ND & INT_TRIG_DMA1) */ + u32 dma1_done; + + /* (INT_STS_ND & INT_TRIG_TX_EXC_CMPLT) */ + u32 tx_exch_complete; + + /* (INT_STS_ND & INT_TRIG_COMMAND) */ + u32 commands; + + /* (INT_STS_ND & INT_TRIG_RX_PROC) */ + u32 rx_procs; + + /* (INT_STS_ND & INT_TRIG_PM_802) */ + u32 hw_pm_mode_changes; + + /* (INT_STS_ND & INT_TRIG_ACKNOWLEDGE) */ + u32 host_acknowledges; + + /* (INT_STS_ND & INT_TRIG_PM_PCI) */ + u32 pci_pm; + + /* (INT_STS_ND & INT_TRIG_ACM_WAKEUP) */ + u32 wakeups; + + /* (INT_STS_ND & INT_TRIG_LOW_RSSI) */ + u32 low_rssi; +} __attribute__ ((packed)); + +struct acx_wep_statistics { + /* WEP address keys configured */ + u32 addr_key_count; + + /* default keys configured */ + u32 default_key_count; + + u32 reserved; + + /* number of times that WEP key not found on lookup */ + u32 key_not_found; + + /* number of times that WEP key decryption failed */ + u32 decrypt_fail; + + /* WEP packets decrypted */ + u32 packets; + + /* WEP decrypt interrupts */ + u32 interrupt; +} __attribute__ ((packed)); + +#define ACX_MISSED_BEACONS_SPREAD 10 + +struct acx_pwr_statistics { + /* the amount of enters into power save mode (both PD & ELP) */ + u32 ps_enter; + + /* the amount of enters into ELP mode */ + u32 elp_enter; + + /* the amount of missing beacon interrupts to the host */ + u32 missing_bcns; + + /* the amount of wake on host-access times */ + u32 wake_on_host; + + /* the amount of wake on timer-expire */ + u32 wake_on_timer_exp; + + /* the number of packets that were transmitted with PS bit set */ + u32 tx_with_ps; + + /* the number of packets that were transmitted with PS bit clear */ + u32 tx_without_ps; + + /* the number of received beacons */ + u32 rcvd_beacons; + + /* the number of entering into PowerOn (power save off) */ + u32 power_save_off; + + /* the number of entries into power save mode */ + u16 enable_ps; + + /* + * the number of exits from power save, not including failed PS + * transitions + */ + u16 disable_ps; + + /* + * the number of times the TSF counter was adjusted because + * of drift + */ + u32 fix_tsf_ps; + + /* Gives statistics about the spread continuous missed beacons. + * The 16 LSB are dedicated for the PS mode. + * The 16 MSB are dedicated for the PS mode. + * cont_miss_bcns_spread[0] - single missed beacon. + * cont_miss_bcns_spread[1] - two continuous missed beacons. + * cont_miss_bcns_spread[2] - three continuous missed beacons. + * ... + * cont_miss_bcns_spread[9] - ten and more continuous missed beacons. + */ + u32 cont_miss_bcns_spread[ACX_MISSED_BEACONS_SPREAD]; + + /* the number of beacons in awake mode */ + u32 rcvd_awake_beacons; +} __attribute__ ((packed)); + +struct acx_mic_statistics { + u32 rx_pkts; + u32 calc_failure; +} __attribute__ ((packed)); + +struct acx_aes_statistics { + u32 encrypt_fail; + u32 decrypt_fail; + u32 encrypt_packets; + u32 decrypt_packets; + u32 encrypt_interrupt; + u32 decrypt_interrupt; +} __attribute__ ((packed)); + +struct acx_event_statistics { + u32 heart_beat; + u32 calibration; + u32 rx_mismatch; + u32 rx_mem_empty; + u32 rx_pool; + u32 oom_late; + u32 phy_transmit_error; + u32 tx_stuck; +} __attribute__ ((packed)); + +struct acx_ps_statistics { + u32 pspoll_timeouts; + u32 upsd_timeouts; + u32 upsd_max_sptime; + u32 upsd_max_apturn; + u32 pspoll_max_apturn; + u32 pspoll_utilization; + u32 upsd_utilization; +} __attribute__ ((packed)); + +struct acx_rxpipe_statistics { + u32 rx_prep_beacon_drop; + u32 descr_host_int_trig_rx_data; + u32 beacon_buffer_thres_host_int_trig_rx_data; + u32 missed_beacon_host_int_trig_rx_data; + u32 tx_xfr_host_int_trig_rx_data; +} __attribute__ ((packed)); + +struct acx_statistics { + struct acx_header header; + + struct acx_tx_statistics tx; + struct acx_rx_statistics rx; + struct acx_dma_statistics dma; + struct acx_isr_statistics isr; + struct acx_wep_statistics wep; + struct acx_pwr_statistics pwr; + struct acx_aes_statistics aes; + struct acx_mic_statistics mic; + struct acx_event_statistics event; + struct acx_ps_statistics ps; + struct acx_rxpipe_statistics rxpipe; +} __attribute__ ((packed)); + +#define ACX_MAX_RATE_CLASSES 8 +#define ACX_RATE_MASK_UNSPECIFIED 0 +#define ACX_RATE_MASK_ALL 0x1eff +#define ACX_RATE_RETRY_LIMIT 10 + +struct acx_rate_class { + u32 enabled_rates; + u8 short_retry_limit; + u8 long_retry_limit; + u8 aflags; + u8 reserved; +}; + +struct acx_rate_policy { + struct acx_header header; + + u32 rate_class_cnt; + struct acx_rate_class rate_class[ACX_MAX_RATE_CLASSES]; +} __attribute__ ((packed)); + +#define WL1271_ACX_AC_COUNT 4 + +struct acx_ac_cfg { + struct acx_header header; + u8 ac; + u8 cw_min; + u16 cw_max; + u8 aifsn; + u8 reserved; + u16 tx_op_limit; +} __attribute__ ((packed)); + +enum wl1271_acx_ac { + WL1271_ACX_AC_BE = 0, + WL1271_ACX_AC_BK = 1, + WL1271_ACX_AC_VI = 2, + WL1271_ACX_AC_VO = 3, + WL1271_ACX_AC_CTS2SELF = 4, + WL1271_ACX_AC_ANY_TID = 0x1F, + WL1271_ACX_AC_INVALID = 0xFF, +}; + +enum wl1271_acx_ps_scheme { + WL1271_ACX_PS_SCHEME_LEGACY = 0, + WL1271_ACX_PS_SCHEME_UPSD_TRIGGER = 1, + WL1271_ACX_PS_SCHEME_LEGACY_PSPOLL = 2, + WL1271_ACX_PS_SCHEME_SAPSD = 3, +}; + +enum wl1271_acx_ack_policy { + WL1271_ACX_ACK_POLICY_LEGACY = 0, + WL1271_ACX_ACK_POLICY_NO_ACK = 1, + WL1271_ACX_ACK_POLICY_BLOCK = 2, +}; + +#define WL1271_ACX_TID_COUNT 7 + +struct acx_tid_config { + struct acx_header header; + u8 queue_id; + u8 channel_type; + u8 tsid; + u8 ps_scheme; + u8 ack_policy; + u8 padding[3]; + u32 apsd_conf[2]; +} __attribute__ ((packed)); + +struct acx_frag_threshold { + struct acx_header header; + u16 frag_threshold; + u8 padding[2]; +} __attribute__ ((packed)); + +#define WL1271_ACX_TX_COMPL_TIMEOUT 5 +#define WL1271_ACX_TX_COMPL_THRESHOLD 5 + +struct acx_tx_config_options { + struct acx_header header; + u16 tx_compl_timeout; /* msec */ + u16 tx_compl_threshold; /* number of packets */ +} __attribute__ ((packed)); + +#define ACX_RX_MEM_BLOCKS 64 +#define ACX_TX_MIN_MEM_BLOCKS 64 +#define ACX_TX_DESCRIPTORS 32 +#define ACX_NUM_SSID_PROFILES 1 + +struct wl1271_acx_config_memory { + struct acx_header header; + + u8 rx_mem_block_num; + u8 tx_min_mem_block_num; + u8 num_stations; + u8 num_ssid_profiles; + u32 total_tx_descriptors; +} __attribute__ ((packed)); + +struct wl1271_acx_mem_map { + struct acx_header header; + + void *code_start; + void *code_end; + + void *wep_defkey_start; + void *wep_defkey_end; + + void *sta_table_start; + void *sta_table_end; + + void *packet_template_start; + void *packet_template_end; + + /* Address of the TX result interface (control block) */ + u32 tx_result; + u32 tx_result_queue_start; + + void *queue_memory_start; + void *queue_memory_end; + + u32 packet_memory_pool_start; + u32 packet_memory_pool_end; + + void *debug_buffer1_start; + void *debug_buffer1_end; + + void *debug_buffer2_start; + void *debug_buffer2_end; + + /* Number of blocks FW allocated for TX packets */ + u32 num_tx_mem_blocks; + + /* Number of blocks FW allocated for RX packets */ + u32 num_rx_mem_blocks; + + /* the following 4 fields are valid in SLAVE mode only */ + u8 *tx_cbuf; + u8 *rx_cbuf; + void *rx_ctrl; + void *tx_ctrl; +} __attribute__ ((packed)); + +enum wl1271_acx_rx_queue_type { + RX_QUEUE_TYPE_RX_LOW_PRIORITY, /* All except the high priority */ + RX_QUEUE_TYPE_RX_HIGH_PRIORITY, /* Management and voice packets */ + RX_QUEUE_TYPE_NUM, + RX_QUEUE_TYPE_MAX = USHORT_MAX +}; + +#define WL1271_RX_INTR_THRESHOLD_DEF 0 /* no pacing, send interrupt on + * every event */ +#define WL1271_RX_INTR_THRESHOLD_MIN 0 +#define WL1271_RX_INTR_THRESHOLD_MAX 15 + +#define WL1271_RX_INTR_TIMEOUT_DEF 5 +#define WL1271_RX_INTR_TIMEOUT_MIN 1 +#define WL1271_RX_INTR_TIMEOUT_MAX 100 + +struct wl1271_acx_rx_config_opt { + struct acx_header header; + + u16 mblk_threshold; + u16 threshold; + u16 timeout; + u8 queue_type; + u8 reserved; +} __attribute__ ((packed)); + +enum { + ACX_WAKE_UP_CONDITIONS = 0x0002, + ACX_MEM_CFG = 0x0003, + ACX_SLOT = 0x0004, + ACX_AC_CFG = 0x0007, + ACX_MEM_MAP = 0x0008, + ACX_AID = 0x000A, + /* ACX_FW_REV is missing in the ref driver, but seems to work */ + ACX_FW_REV = 0x000D, + ACX_MEDIUM_USAGE = 0x000F, + ACX_RX_CFG = 0x0010, + ACX_TX_QUEUE_CFG = 0x0011, /* FIXME: only used by wl1251 */ + ACX_STATISTICS = 0x0013, /* Debug API */ + ACX_PWR_CONSUMPTION_STATISTICS = 0x0014, + ACX_FEATURE_CFG = 0x0015, + ACX_TID_CFG = 0x001A, + ACX_PS_RX_STREAMING = 0x001B, + ACX_BEACON_FILTER_OPT = 0x001F, + ACX_NOISE_HIST = 0x0021, + ACX_HDK_VERSION = 0x0022, /* ??? */ + ACX_PD_THRESHOLD = 0x0023, + ACX_TX_CONFIG_OPT = 0x0024, + ACX_CCA_THRESHOLD = 0x0025, + ACX_EVENT_MBOX_MASK = 0x0026, + ACX_CONN_MONIT_PARAMS = 0x002D, + ACX_CONS_TX_FAILURE = 0x002F, + ACX_BCN_DTIM_OPTIONS = 0x0031, + ACX_SG_ENABLE = 0x0032, + ACX_SG_CFG = 0x0033, + ACX_BEACON_FILTER_TABLE = 0x0038, + ACX_ARP_IP_FILTER = 0x0039, + ACX_ROAMING_STATISTICS_TBL = 0x003B, + ACX_RATE_POLICY = 0x003D, + ACX_CTS_PROTECTION = 0x003E, + ACX_SLEEP_AUTH = 0x003F, + ACX_PREAMBLE_TYPE = 0x0040, + ACX_ERROR_CNT = 0x0041, + ACX_IBSS_FILTER = 0x0044, + ACX_SERVICE_PERIOD_TIMEOUT = 0x0045, + ACX_TSF_INFO = 0x0046, + ACX_CONFIG_PS_WMM = 0x0049, + ACX_ENABLE_RX_DATA_FILTER = 0x004A, + ACX_SET_RX_DATA_FILTER = 0x004B, + ACX_GET_DATA_FILTER_STATISTICS = 0x004C, + ACX_RX_CONFIG_OPT = 0x004E, + ACX_FRAG_CFG = 0x004F, + ACX_BET_ENABLE = 0x0050, + ACX_RSSI_SNR_TRIGGER = 0x0051, + ACX_RSSI_SNR_WEIGHTS = 0x0051, + ACX_KEEP_ALIVE_MODE = 0x0052, + ACX_SET_KEEP_ALIVE_CONFIG = 0x0054, + ACX_BA_SESSION_RESPONDER_POLICY = 0x0055, + ACX_BA_SESSION_INITIATOR_POLICY = 0x0056, + ACX_PEER_HT_CAP = 0x0057, + ACX_HT_BSS_OPERATION = 0x0058, + ACX_COEX_ACTIVITY = 0x0059, + DOT11_RX_MSDU_LIFE_TIME = 0x1004, + DOT11_CUR_TX_PWR = 0x100D, + DOT11_RX_DOT11_MODE = 0x1012, + DOT11_RTS_THRESHOLD = 0x1013, + DOT11_GROUP_ADDRESS_TBL = 0x1014, + + MAX_DOT11_IE = DOT11_GROUP_ADDRESS_TBL, + + MAX_IE = 0xFFFF +}; + + +int wl1271_acx_wake_up_conditions(struct wl1271 *wl, u8 wake_up_event, + u8 listen_interval); +int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth); +int wl1271_acx_fw_version(struct wl1271 *wl, char *buf, size_t len); +int wl1271_acx_tx_power(struct wl1271 *wl, int power); +int wl1271_acx_feature_cfg(struct wl1271 *wl); +int wl1271_acx_mem_map(struct wl1271 *wl, + struct acx_header *mem_map, size_t len); +int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl, u32 life_time); +int wl1271_acx_rx_config(struct wl1271 *wl, u32 config, u32 filter); +int wl1271_acx_pd_threshold(struct wl1271 *wl); +int wl1271_acx_slot(struct wl1271 *wl, enum acx_slot_type slot_time); +int wl1271_acx_group_address_tbl(struct wl1271 *wl); +int wl1271_acx_service_period_timeout(struct wl1271 *wl); +int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold); +int wl1271_acx_beacon_filter_opt(struct wl1271 *wl); +int wl1271_acx_beacon_filter_table(struct wl1271 *wl); +int wl1271_acx_sg_enable(struct wl1271 *wl); +int wl1271_acx_sg_cfg(struct wl1271 *wl); +int wl1271_acx_cca_threshold(struct wl1271 *wl); +int wl1271_acx_bcn_dtim_options(struct wl1271 *wl); +int wl1271_acx_aid(struct wl1271 *wl, u16 aid); +int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask); +int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble); +int wl1271_acx_cts_protect(struct wl1271 *wl, + enum acx_ctsprotect_type ctsprotect); +int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats); +int wl1271_acx_rate_policies(struct wl1271 *wl); +int wl1271_acx_ac_cfg(struct wl1271 *wl); +int wl1271_acx_tid_cfg(struct wl1271 *wl); +int wl1271_acx_frag_threshold(struct wl1271 *wl); +int wl1271_acx_tx_config_options(struct wl1271 *wl); +int wl1271_acx_mem_cfg(struct wl1271 *wl); +int wl1271_acx_init_mem_config(struct wl1271 *wl); +int wl1271_acx_init_rx_interrupt(struct wl1271 *wl); + +#endif /* __WL1271_ACX_H__ */ diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c new file mode 100644 index 000000000000..8228ef474a7e --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_boot.c @@ -0,0 +1,541 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2008-2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/gpio.h> + +#include "wl1271_acx.h" +#include "wl1271_reg.h" +#include "wl1271_boot.h" +#include "wl1271_spi.h" +#include "wl1271_event.h" + +static struct wl1271_partition_set part_table[PART_TABLE_LEN] = { + [PART_DOWN] = { + .mem = { + .start = 0x00000000, + .size = 0x000177c0 + }, + .reg = { + .start = REGISTERS_BASE, + .size = 0x00008800 + }, + }, + + [PART_WORK] = { + .mem = { + .start = 0x00040000, + .size = 0x00014fc0 + }, + .reg = { + .start = REGISTERS_BASE, + .size = 0x0000b000 + }, + }, + + [PART_DRPW] = { + .mem = { + .start = 0x00040000, + .size = 0x00014fc0 + }, + .reg = { + .start = DRPW_BASE, + .size = 0x00006000 + } + } +}; + +static void wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag) +{ + u32 cpu_ctrl; + + /* 10.5.0 run the firmware (I) */ + cpu_ctrl = wl1271_reg_read32(wl, ACX_REG_ECPU_CONTROL); + + /* 10.5.1 run the firmware (II) */ + cpu_ctrl |= flag; + wl1271_reg_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl); +} + +static void wl1271_boot_fw_version(struct wl1271 *wl) +{ + struct wl1271_static_data static_data; + + wl1271_spi_mem_read(wl, wl->cmd_box_addr, + &static_data, sizeof(static_data)); + + strncpy(wl->chip.fw_ver, static_data.fw_version, + sizeof(wl->chip.fw_ver)); + + /* make sure the string is NULL-terminated */ + wl->chip.fw_ver[sizeof(wl->chip.fw_ver) - 1] = '\0'; +} + +static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf, + size_t fw_data_len, u32 dest) +{ + int addr, chunk_num, partition_limit; + u8 *p; + + /* whal_FwCtrl_LoadFwImageSm() */ + + wl1271_debug(DEBUG_BOOT, "starting firmware upload"); + + wl1271_debug(DEBUG_BOOT, "fw_data_len %zd chunk_size %d", + fw_data_len, CHUNK_SIZE); + + + if ((fw_data_len % 4) != 0) { + wl1271_error("firmware length not multiple of four"); + return -EIO; + } + + wl1271_set_partition(wl, dest, + part_table[PART_DOWN].mem.size, + part_table[PART_DOWN].reg.start, + part_table[PART_DOWN].reg.size); + + /* 10.1 set partition limit and chunk num */ + chunk_num = 0; + partition_limit = part_table[PART_DOWN].mem.size; + + while (chunk_num < fw_data_len / CHUNK_SIZE) { + /* 10.2 update partition, if needed */ + addr = dest + (chunk_num + 2) * CHUNK_SIZE; + if (addr > partition_limit) { + addr = dest + chunk_num * CHUNK_SIZE; + partition_limit = chunk_num * CHUNK_SIZE + + part_table[PART_DOWN].mem.size; + + /* FIXME: Over 80 chars! */ + wl1271_set_partition(wl, + addr, + part_table[PART_DOWN].mem.size, + part_table[PART_DOWN].reg.start, + part_table[PART_DOWN].reg.size); + } + + /* 10.3 upload the chunk */ + addr = dest + chunk_num * CHUNK_SIZE; + p = buf + chunk_num * CHUNK_SIZE; + wl1271_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x", + p, addr); + wl1271_spi_mem_write(wl, addr, p, CHUNK_SIZE); + + chunk_num++; + } + + /* 10.4 upload the last chunk */ + addr = dest + chunk_num * CHUNK_SIZE; + p = buf + chunk_num * CHUNK_SIZE; + wl1271_debug(DEBUG_BOOT, "uploading fw last chunk (%zd B) 0x%p to 0x%x", + fw_data_len % CHUNK_SIZE, p, addr); + wl1271_spi_mem_write(wl, addr, p, fw_data_len % CHUNK_SIZE); + + return 0; +} + +static int wl1271_boot_upload_firmware(struct wl1271 *wl) +{ + u32 chunks, addr, len; + u8 *fw; + + fw = wl->fw; + chunks = be32_to_cpup((u32 *) fw); + fw += sizeof(u32); + + wl1271_debug(DEBUG_BOOT, "firmware chunks to be uploaded: %u", chunks); + + while (chunks--) { + addr = be32_to_cpup((u32 *) fw); + fw += sizeof(u32); + len = be32_to_cpup((u32 *) fw); + fw += sizeof(u32); + + if (len > 300000) { + wl1271_info("firmware chunk too long: %u", len); + return -EINVAL; + } + wl1271_debug(DEBUG_BOOT, "chunk %d addr 0x%x len %u", + chunks, addr, len); + wl1271_boot_upload_firmware_chunk(wl, fw, len, addr); + fw += len; + } + + return 0; +} + +static int wl1271_boot_upload_nvs(struct wl1271 *wl) +{ + size_t nvs_len, burst_len; + int i; + u32 dest_addr, val; + u8 *nvs_ptr, *nvs, *nvs_aligned; + + nvs = wl->nvs; + if (nvs == NULL) + return -ENODEV; + + nvs_ptr = nvs; + + nvs_len = wl->nvs_len; + + /* Update the device MAC address into the nvs */ + nvs[11] = wl->mac_addr[0]; + nvs[10] = wl->mac_addr[1]; + nvs[6] = wl->mac_addr[2]; + nvs[5] = wl->mac_addr[3]; + nvs[4] = wl->mac_addr[4]; + nvs[3] = wl->mac_addr[5]; + + /* + * Layout before the actual NVS tables: + * 1 byte : burst length. + * 2 bytes: destination address. + * n bytes: data to burst copy. + * + * This is ended by a 0 length, then the NVS tables. + */ + + /* FIXME: Do we need to check here whether the LSB is 1? */ + while (nvs_ptr[0]) { + burst_len = nvs_ptr[0]; + dest_addr = (nvs_ptr[1] & 0xfe) | ((u32)(nvs_ptr[2] << 8)); + + /* FIXME: Due to our new wl1271_translate_reg_addr function, + we need to add the REGISTER_BASE to the destination */ + dest_addr += REGISTERS_BASE; + + /* We move our pointer to the data */ + nvs_ptr += 3; + + for (i = 0; i < burst_len; i++) { + val = (nvs_ptr[0] | (nvs_ptr[1] << 8) + | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24)); + + wl1271_debug(DEBUG_BOOT, + "nvs burst write 0x%x: 0x%x", + dest_addr, val); + wl1271_reg_write32(wl, dest_addr, val); + + nvs_ptr += 4; + dest_addr += 4; + } + } + + /* + * We've reached the first zero length, the first NVS table + * is 7 bytes further. + */ + nvs_ptr += 7; + nvs_len -= nvs_ptr - nvs; + nvs_len = ALIGN(nvs_len, 4); + + /* FIXME: The driver sets the partition here, but this is not needed, + since it sets to the same one as currently in use */ + /* Now we must set the partition correctly */ + wl1271_set_partition(wl, + part_table[PART_WORK].mem.start, + part_table[PART_WORK].mem.size, + part_table[PART_WORK].reg.start, + part_table[PART_WORK].reg.size); + + /* Copy the NVS tables to a new block to ensure alignment */ + nvs_aligned = kmemdup(nvs_ptr, nvs_len, GFP_KERNEL); + + /* And finally we upload the NVS tables */ + /* FIXME: In wl1271, we upload everything at once. + No endianness handling needed here?! The ref driver doesn't do + anything about it at this point */ + wl1271_spi_mem_write(wl, CMD_MBOX_ADDRESS, nvs_aligned, nvs_len); + + kfree(nvs_aligned); + return 0; +} + +static void wl1271_boot_enable_interrupts(struct wl1271 *wl) +{ + enable_irq(wl->irq); + wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, + WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); + wl1271_reg_write32(wl, HI_CFG, HI_CFG_DEF_VAL); +} + +static int wl1271_boot_soft_reset(struct wl1271 *wl) +{ + unsigned long timeout; + u32 boot_data; + + /* perform soft reset */ + wl1271_reg_write32(wl, ACX_REG_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT); + + /* SOFT_RESET is self clearing */ + timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME); + while (1) { + boot_data = wl1271_reg_read32(wl, ACX_REG_SLV_SOFT_RESET); + wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data); + if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0) + break; + + if (time_after(jiffies, timeout)) { + /* 1.2 check pWhalBus->uSelfClearTime if the + * timeout was reached */ + wl1271_error("soft reset timeout"); + return -1; + } + + udelay(SOFT_RESET_STALL_TIME); + } + + /* disable Rx/Tx */ + wl1271_reg_write32(wl, ENABLE, 0x0); + + /* disable auto calibration on start*/ + wl1271_reg_write32(wl, SPARE_A2, 0xffff); + + return 0; +} + +static int wl1271_boot_run_firmware(struct wl1271 *wl) +{ + int loop, ret; + u32 chip_id, interrupt; + + wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT); + + chip_id = wl1271_reg_read32(wl, CHIP_ID_B); + + wl1271_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id); + + if (chip_id != wl->chip.id) { + wl1271_error("chip id doesn't match after firmware boot"); + return -EIO; + } + + /* wait for init to complete */ + loop = 0; + while (loop++ < INIT_LOOP) { + udelay(INIT_LOOP_DELAY); + interrupt = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); + + if (interrupt == 0xffffffff) { + wl1271_error("error reading hardware complete " + "init indication"); + return -EIO; + } + /* check that ACX_INTR_INIT_COMPLETE is enabled */ + else if (interrupt & WL1271_ACX_INTR_INIT_COMPLETE) { + wl1271_reg_write32(wl, ACX_REG_INTERRUPT_ACK, + WL1271_ACX_INTR_INIT_COMPLETE); + break; + } + } + + if (loop >= INIT_LOOP) { + wl1271_error("timeout waiting for the hardware to " + "complete initialization"); + return -EIO; + } + + /* get hardware config command mail box */ + wl->cmd_box_addr = wl1271_reg_read32(wl, REG_COMMAND_MAILBOX_PTR); + + /* get hardware config event mail box */ + wl->event_box_addr = wl1271_reg_read32(wl, REG_EVENT_MAILBOX_PTR); + + /* set the working partition to its "running" mode offset */ + wl1271_set_partition(wl, + part_table[PART_WORK].mem.start, + part_table[PART_WORK].mem.size, + part_table[PART_WORK].reg.start, + part_table[PART_WORK].reg.size); + + wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x event_box_addr 0x%x", + wl->cmd_box_addr, wl->event_box_addr); + + wl1271_boot_fw_version(wl); + + /* + * in case of full asynchronous mode the firmware event must be + * ready to receive event from the command mailbox + */ + + /* enable gpio interrupts */ + wl1271_boot_enable_interrupts(wl); + + /* unmask all mbox events */ + wl->event_mask = 0xffffffff; + + ret = wl1271_event_unmask(wl); + if (ret < 0) { + wl1271_error("EVENT mask setting failed"); + return ret; + } + + wl1271_event_mbox_config(wl); + + /* firmware startup completed */ + return 0; +} + +static int wl1271_boot_write_irq_polarity(struct wl1271 *wl) +{ + u32 polarity, status, i; + + wl1271_reg_write32(wl, OCP_POR_CTR, OCP_REG_POLARITY); + wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_READ); + + /* Wait until the command is complete (ie. bit 18 is set) */ + for (i = 0; i < OCP_CMD_LOOP; i++) { + polarity = wl1271_reg_read32(wl, OCP_DATA_READ); + if (polarity & OCP_READY_MASK) + break; + } + if (i == OCP_CMD_LOOP) { + wl1271_error("OCP command timeout!"); + return -EIO; + } + + status = polarity & OCP_STATUS_MASK; + if (status != OCP_STATUS_OK) { + wl1271_error("OCP command failed (%d)", status); + return -EIO; + } + + /* We use HIGH polarity, so unset the LOW bit */ + polarity &= ~POLARITY_LOW; + + wl1271_reg_write32(wl, OCP_POR_CTR, OCP_REG_POLARITY); + wl1271_reg_write32(wl, OCP_DATA_WRITE, polarity); + wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_WRITE); + + return 0; +} + +int wl1271_boot(struct wl1271 *wl) +{ + int ret = 0; + u32 tmp, clk, pause; + + if (REF_CLOCK == 0 || REF_CLOCK == 2) + /* ref clk: 19.2/38.4 */ + clk = 0x3; + else if (REF_CLOCK == 1 || REF_CLOCK == 3) + /* ref clk: 26/52 */ + clk = 0x5; + + wl1271_reg_write32(wl, PLL_PARAMETERS, clk); + + pause = wl1271_reg_read32(wl, PLL_PARAMETERS); + + wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause); + + pause &= ~(WU_COUNTER_PAUSE_VAL); /* FIXME: This should probably be + * WU_COUNTER_PAUSE_VAL instead of + * 0x3ff (magic number ). How does + * this work?! */ + pause |= WU_COUNTER_PAUSE_VAL; + wl1271_reg_write32(wl, WU_COUNTER_PAUSE, pause); + + /* Continue the ELP wake up sequence */ + wl1271_reg_write32(wl, WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL); + udelay(500); + + wl1271_set_partition(wl, + part_table[PART_DRPW].mem.start, + part_table[PART_DRPW].mem.size, + part_table[PART_DRPW].reg.start, + part_table[PART_DRPW].reg.size); + + /* Read-modify-write DRPW_SCRATCH_START register (see next state) + to be used by DRPw FW. The RTRIM value will be added by the FW + before taking DRPw out of reset */ + + wl1271_debug(DEBUG_BOOT, "DRPW_SCRATCH_START %08x", DRPW_SCRATCH_START); + clk = wl1271_reg_read32(wl, DRPW_SCRATCH_START); + + wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk); + + /* 2 */ + clk |= (REF_CLOCK << 1) << 4; + wl1271_reg_write32(wl, DRPW_SCRATCH_START, clk); + + wl1271_set_partition(wl, + part_table[PART_WORK].mem.start, + part_table[PART_WORK].mem.size, + part_table[PART_WORK].reg.start, + part_table[PART_WORK].reg.size); + + /* Disable interrupts */ + wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); + + ret = wl1271_boot_soft_reset(wl); + if (ret < 0) + goto out; + + /* 2. start processing NVS file */ + ret = wl1271_boot_upload_nvs(wl); + if (ret < 0) + goto out; + + /* write firmware's last address (ie. it's length) to + * ACX_EEPROMLESS_IND_REG */ + wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG"); + + wl1271_reg_write32(wl, ACX_EEPROMLESS_IND_REG, ACX_EEPROMLESS_IND_REG); + + tmp = wl1271_reg_read32(wl, CHIP_ID_B); + + wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp); + + /* 6. read the EEPROM parameters */ + tmp = wl1271_reg_read32(wl, SCR_PAD2); + + ret = wl1271_boot_write_irq_polarity(wl); + if (ret < 0) + goto out; + + /* FIXME: Need to check whether this is really what we want */ + wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, + WL1271_ACX_ALL_EVENTS_VECTOR); + + /* WL1271: The reference driver skips steps 7 to 10 (jumps directly + * to upload_fw) */ + + ret = wl1271_boot_upload_firmware(wl); + if (ret < 0) + goto out; + + /* 10.5 start firmware */ + ret = wl1271_boot_run_firmware(wl); + if (ret < 0) + goto out; + + /* set the wl1271 default filters */ + wl->rx_config = WL1271_DEFAULT_RX_CONFIG; + wl->rx_filter = WL1271_DEFAULT_RX_FILTER; + + wl1271_event_mbox_config(wl); + +out: + return ret; +} diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.h b/drivers/net/wireless/wl12xx/wl1271_boot.h new file mode 100644 index 000000000000..b0d8fb46a439 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_boot.h @@ -0,0 +1,72 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2008-2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __BOOT_H__ +#define __BOOT_H__ + +#include "wl1271.h" + +int wl1271_boot(struct wl1271 *wl); + +#define WL1271_NO_SUBBANDS 8 +#define WL1271_NO_POWER_LEVELS 4 +#define WL1271_FW_VERSION_MAX_LEN 20 + +struct wl1271_static_data { + u8 mac_address[ETH_ALEN]; + u8 padding[2]; + u8 fw_version[WL1271_FW_VERSION_MAX_LEN]; + u32 hw_version; + u8 tx_power_table[WL1271_NO_SUBBANDS][WL1271_NO_POWER_LEVELS]; +}; + +/* number of times we try to read the INIT interrupt */ +#define INIT_LOOP 20000 + +/* delay between retries */ +#define INIT_LOOP_DELAY 50 + +#define REF_CLOCK 2 +#define WU_COUNTER_PAUSE_VAL 0x3FF +#define WELP_ARM_COMMAND_VAL 0x4 + +#define OCP_CMD_LOOP 32 + +#define OCP_CMD_WRITE 0x1 +#define OCP_CMD_READ 0x2 + +#define OCP_READY_MASK BIT(18) +#define OCP_STATUS_MASK (BIT(16) | BIT(17)) + +#define OCP_STATUS_NO_RESP 0x00000 +#define OCP_STATUS_OK 0x10000 +#define OCP_STATUS_REQ_FAILED 0x20000 +#define OCP_STATUS_RESP_ERROR 0x30000 + +#define OCP_REG_POLARITY 0x30032 + +#define CMD_MBOX_ADDRESS 0x407B4 + +#define POLARITY_LOW BIT(1) + +#endif diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c new file mode 100644 index 000000000000..2a4351ff54dc --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c @@ -0,0 +1,813 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/crc7.h> +#include <linux/spi/spi.h> +#include <linux/etherdevice.h> + +#include "wl1271.h" +#include "wl1271_reg.h" +#include "wl1271_spi.h" +#include "wl1271_acx.h" +#include "wl12xx_80211.h" +#include "wl1271_cmd.h" + +/* + * send command to firmware + * + * @wl: wl struct + * @id: command id + * @buf: buffer containing the command, must work with dma + * @len: length of the buffer + */ +int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len) +{ + struct wl1271_cmd_header *cmd; + unsigned long timeout; + u32 intr; + int ret = 0; + + cmd = buf; + cmd->id = id; + cmd->status = 0; + + WARN_ON(len % 4 != 0); + + wl1271_spi_mem_write(wl, wl->cmd_box_addr, buf, len); + + wl1271_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD); + + timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); + + intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); + while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { + if (time_after(jiffies, timeout)) { + wl1271_error("command complete timeout"); + ret = -ETIMEDOUT; + goto out; + } + + msleep(1); + + intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); + } + + wl1271_reg_write32(wl, ACX_REG_INTERRUPT_ACK, + WL1271_ACX_INTR_CMD_COMPLETE); + +out: + return ret; +} + +int wl1271_cmd_cal_channel_tune(struct wl1271 *wl) +{ + struct wl1271_cmd_cal_channel_tune *cmd; + int ret = 0; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + cmd->test.id = TEST_CMD_CHANNEL_TUNE; + + cmd->band = WL1271_CHANNEL_TUNE_BAND_2_4; + /* set up any channel, 7 is in the middle of the range */ + cmd->channel = 7; + + ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); + if (ret < 0) + wl1271_warning("TEST_CMD_CHANNEL_TUNE failed"); + + kfree(cmd); + return ret; +} + +int wl1271_cmd_cal_update_ref_point(struct wl1271 *wl) +{ + struct wl1271_cmd_cal_update_ref_point *cmd; + int ret = 0; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + cmd->test.id = TEST_CMD_UPDATE_PD_REFERENCE_POINT; + + /* FIXME: still waiting for the correct values */ + cmd->ref_power = 0; + cmd->ref_detector = 0; + + cmd->sub_band = WL1271_PD_REFERENCE_POINT_BAND_B_G; + + ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); + if (ret < 0) + wl1271_warning("TEST_CMD_UPDATE_PD_REFERENCE_POINT failed"); + + kfree(cmd); + return ret; +} + +int wl1271_cmd_cal_p2g(struct wl1271 *wl) +{ + struct wl1271_cmd_cal_p2g *cmd; + int ret = 0; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + cmd->test.id = TEST_CMD_P2G_CAL; + + cmd->sub_band_mask = WL1271_CAL_P2G_BAND_B_G; + + ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); + if (ret < 0) + wl1271_warning("TEST_CMD_P2G_CAL failed"); + + kfree(cmd); + return ret; +} + +int wl1271_cmd_cal(struct wl1271 *wl) +{ + /* + * FIXME: we must make sure that we're not sleeping when calibration + * is done + */ + int ret; + + wl1271_notice("performing tx calibration"); + + ret = wl1271_cmd_cal_channel_tune(wl); + if (ret < 0) + return ret; + + ret = wl1271_cmd_cal_update_ref_point(wl); + if (ret < 0) + return ret; + + ret = wl1271_cmd_cal_p2g(wl); + if (ret < 0) + return ret; + + return ret; +} + +int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval, + u16 beacon_interval, u8 wait) +{ + static bool do_cal = true; + unsigned long timeout; + struct wl1271_cmd_join *join; + int ret, i; + u8 *bssid; + + /* FIXME: remove when we get calibration from the factory */ + if (do_cal) { + ret = wl1271_cmd_cal(wl); + if (ret < 0) + wl1271_warning("couldn't calibrate"); + else + do_cal = false; + } + + + join = kzalloc(sizeof(*join), GFP_KERNEL); + if (!join) { + ret = -ENOMEM; + goto out; + } + + wl1271_debug(DEBUG_CMD, "cmd join"); + + /* Reverse order BSSID */ + bssid = (u8 *) &join->bssid_lsb; + for (i = 0; i < ETH_ALEN; i++) + bssid[i] = wl->bssid[ETH_ALEN - i - 1]; + + join->rx_config_options = wl->rx_config; + join->rx_filter_options = wl->rx_filter; + + join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS | + RATE_MASK_5_5MBPS | RATE_MASK_11MBPS; + + join->beacon_interval = beacon_interval; + join->dtim_interval = dtim_interval; + join->bss_type = bss_type; + join->channel = wl->channel; + join->ssid_len = wl->ssid_len; + memcpy(join->ssid, wl->ssid, wl->ssid_len); + join->ctrl = WL1271_JOIN_CMD_CTRL_TX_FLUSH; + + /* increment the session counter */ + wl->session_counter++; + if (wl->session_counter >= SESSION_COUNTER_MAX) + wl->session_counter = 0; + + join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET; + + + ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join)); + if (ret < 0) { + wl1271_error("failed to initiate cmd join"); + goto out_free; + } + + timeout = msecs_to_jiffies(JOIN_TIMEOUT); + + /* + * ugly hack: we should wait for JOIN_EVENT_COMPLETE_ID but to + * simplify locking we just sleep instead, for now + */ + if (wait) + msleep(10); + +out_free: + kfree(join); + +out: + return ret; +} + +/** + * send test command to firmware + * + * @wl: wl struct + * @buf: buffer containing the command, with all headers, must work with dma + * @len: length of the buffer + * @answer: is answer needed + */ +int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) +{ + int ret; + + wl1271_debug(DEBUG_CMD, "cmd test"); + + ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len); + + if (ret < 0) { + wl1271_warning("TEST command failed"); + return ret; + } + + if (answer) { + struct wl1271_command *cmd_answer; + + /* + * The test command got in, we can read the answer. + * The answer would be a wl1271_command, where the + * parameter array contains the actual answer. + */ + wl1271_spi_mem_read(wl, wl->cmd_box_addr, buf, buf_len); + + cmd_answer = buf; + + if (cmd_answer->header.status != CMD_STATUS_SUCCESS) + wl1271_error("TEST command answer error: %d", + cmd_answer->header.status); + } + + return 0; +} + +/** + * read acx from firmware + * + * @wl: wl struct + * @id: acx id + * @buf: buffer for the response, including all headers, must work with dma + * @len: lenght of buf + */ +int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len) +{ + struct acx_header *acx = buf; + int ret; + + wl1271_debug(DEBUG_CMD, "cmd interrogate"); + + acx->id = id; + + /* payload length, does not include any headers */ + acx->len = len - sizeof(*acx); + + ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_error("INTERROGATE command failed"); + goto out; + } + + /* the interrogate command got in, we can read the answer */ + wl1271_spi_mem_read(wl, wl->cmd_box_addr, buf, len); + + acx = buf; + if (acx->cmd.status != CMD_STATUS_SUCCESS) + wl1271_error("INTERROGATE command error: %d", + acx->cmd.status); + +out: + return ret; +} + +/** + * write acx value to firmware + * + * @wl: wl struct + * @id: acx id + * @buf: buffer containing acx, including all headers, must work with dma + * @len: length of buf + */ +int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) +{ + struct acx_header *acx = buf; + int ret; + + wl1271_debug(DEBUG_CMD, "cmd configure"); + + acx->id = id; + + /* payload length, does not include any headers */ + acx->len = len - sizeof(*acx); + + ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len); + if (ret < 0) { + wl1271_warning("CONFIGURE command NOK"); + return ret; + } + + return 0; +} + +int wl1271_cmd_data_path(struct wl1271 *wl, u8 channel, bool enable) +{ + struct cmd_enabledisable_path *cmd; + int ret; + u16 cmd_rx, cmd_tx; + + wl1271_debug(DEBUG_CMD, "cmd data path"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->channel = channel; + + if (enable) { + cmd_rx = CMD_ENABLE_RX; + cmd_tx = CMD_ENABLE_TX; + } else { + cmd_rx = CMD_DISABLE_RX; + cmd_tx = CMD_DISABLE_TX; + } + + ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd)); + if (ret < 0) { + wl1271_error("rx %s cmd for channel %d failed", + enable ? "start" : "stop", channel); + goto out; + } + + wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", + enable ? "start" : "stop", channel); + + ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd)); + if (ret < 0) { + wl1271_error("tx %s cmd for channel %d failed", + enable ? "start" : "stop", channel); + return ret; + } + + wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", + enable ? "start" : "stop", channel); + +out: + kfree(cmd); + return ret; +} + +int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode) +{ + struct wl1271_cmd_ps_params *ps_params = NULL; + int ret = 0; + + /* FIXME: this should be in ps.c */ + ret = wl1271_acx_wake_up_conditions(wl, WAKE_UP_EVENT_DTIM_BITMAP, + wl->listen_int); + if (ret < 0) { + wl1271_error("couldn't set wake up conditions"); + goto out; + } + + wl1271_debug(DEBUG_CMD, "cmd set ps mode"); + + ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); + if (!ps_params) { + ret = -ENOMEM; + goto out; + } + + ps_params->ps_mode = ps_mode; + ps_params->send_null_data = 1; + ps_params->retries = 5; + ps_params->hang_over_period = 128; + ps_params->null_data_rate = 1; /* 1 Mbps */ + + ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, + sizeof(*ps_params)); + if (ret < 0) { + wl1271_error("cmd set_ps_mode failed"); + goto out; + } + +out: + kfree(ps_params); + return ret; +} + +int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer, + size_t len) +{ + struct cmd_read_write_memory *cmd; + int ret = 0; + + wl1271_debug(DEBUG_CMD, "cmd read memory"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + WARN_ON(len > MAX_READ_SIZE); + len = min_t(size_t, len, MAX_READ_SIZE); + + cmd->addr = addr; + cmd->size = len; + + ret = wl1271_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd)); + if (ret < 0) { + wl1271_error("read memory command failed: %d", ret); + goto out; + } + + /* the read command got in, we can now read the answer */ + wl1271_spi_mem_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd)); + + if (cmd->header.status != CMD_STATUS_SUCCESS) + wl1271_error("error in read command result: %d", + cmd->header.status); + + memcpy(answer, cmd->value, len); + +out: + kfree(cmd); + return ret; +} + +int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len, + u8 active_scan, u8 high_prio, u8 num_channels, + u8 probe_requests) +{ + + struct wl1271_cmd_trigger_scan_to *trigger = NULL; + struct wl1271_cmd_scan *params = NULL; + int i, ret; + u16 scan_options = 0; + + if (wl->scanning) + return -EINVAL; + + params = kzalloc(sizeof(*params), GFP_KERNEL); + if (!params) + return -ENOMEM; + + params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); + params->params.rx_filter_options = + cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); + + if (!active_scan) + scan_options |= WL1271_SCAN_OPT_PASSIVE; + if (high_prio) + scan_options |= WL1271_SCAN_OPT_PRIORITY_HIGH; + params->params.scan_options = scan_options; + + params->params.num_channels = num_channels; + params->params.num_probe_requests = probe_requests; + params->params.tx_rate = cpu_to_le32(RATE_MASK_2MBPS); + params->params.tid_trigger = 0; + params->params.scan_tag = WL1271_SCAN_DEFAULT_TAG; + + for (i = 0; i < num_channels; i++) { + params->channels[i].min_duration = + cpu_to_le32(WL1271_SCAN_CHAN_MIN_DURATION); + params->channels[i].max_duration = + cpu_to_le32(WL1271_SCAN_CHAN_MAX_DURATION); + memset(¶ms->channels[i].bssid_lsb, 0xff, 4); + memset(¶ms->channels[i].bssid_msb, 0xff, 2); + params->channels[i].early_termination = 0; + params->channels[i].tx_power_att = WL1271_SCAN_CURRENT_TX_PWR; + params->channels[i].channel = i + 1; + } + + if (len && ssid) { + params->params.ssid_len = len; + memcpy(params->params.ssid, ssid, len); + } + + ret = wl1271_cmd_build_probe_req(wl, ssid, len); + if (ret < 0) { + wl1271_error("PROBE request template failed"); + goto out; + } + + trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); + if (!trigger) { + ret = -ENOMEM; + goto out; + } + + /* disable the timeout */ + trigger->timeout = 0; + + ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, + sizeof(*trigger)); + if (ret < 0) { + wl1271_error("trigger scan to failed for hw scan"); + goto out; + } + + wl1271_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); + + wl->scanning = true; + + ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params)); + if (ret < 0) { + wl1271_error("SCAN failed"); + goto out; + } + + wl1271_spi_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params)); + + if (params->header.status != CMD_STATUS_SUCCESS) { + wl1271_error("Scan command error: %d", + params->header.status); + wl->scanning = false; + ret = -EIO; + goto out; + } + +out: + kfree(params); + return ret; +} + +int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id, + void *buf, size_t buf_len) +{ + struct wl1271_cmd_template_set *cmd; + int ret = 0; + + wl1271_debug(DEBUG_CMD, "cmd template_set %d", template_id); + + WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); + buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->len = cpu_to_le16(buf_len); + cmd->template_type = template_id; + cmd->enabled_rates = ACX_RATE_MASK_UNSPECIFIED; + cmd->short_retry_limit = ACX_RATE_RETRY_LIMIT; + cmd->long_retry_limit = ACX_RATE_RETRY_LIMIT; + + if (buf) + memcpy(cmd->template_data, buf, buf_len); + + ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd)); + if (ret < 0) { + wl1271_warning("cmd set_template failed: %d", ret); + goto out_free; + } + +out_free: + kfree(cmd); + +out: + return ret; +} + +static int wl1271_build_basic_rates(char *rates) +{ + u8 index = 0; + + rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; + rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; + rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; + rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; + + return index; +} + +static int wl1271_build_extended_rates(char *rates) +{ + u8 index = 0; + + rates[index++] = IEEE80211_OFDM_RATE_6MB; + rates[index++] = IEEE80211_OFDM_RATE_9MB; + rates[index++] = IEEE80211_OFDM_RATE_12MB; + rates[index++] = IEEE80211_OFDM_RATE_18MB; + rates[index++] = IEEE80211_OFDM_RATE_24MB; + rates[index++] = IEEE80211_OFDM_RATE_36MB; + rates[index++] = IEEE80211_OFDM_RATE_48MB; + rates[index++] = IEEE80211_OFDM_RATE_54MB; + + return index; +} + +int wl1271_cmd_build_null_data(struct wl1271 *wl) +{ + struct wl12xx_null_data_template template; + + if (!is_zero_ether_addr(wl->bssid)) { + memcpy(template.header.da, wl->bssid, ETH_ALEN); + memcpy(template.header.bssid, wl->bssid, ETH_ALEN); + } else { + memset(template.header.da, 0xff, ETH_ALEN); + memset(template.header.bssid, 0xff, ETH_ALEN); + } + + memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); + template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA | + IEEE80211_STYPE_NULLFUNC); + + return wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, &template, + sizeof(template)); + +} + +int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid) +{ + struct wl12xx_ps_poll_template template; + + memcpy(template.bssid, wl->bssid, ETH_ALEN); + memcpy(template.ta, wl->mac_addr, ETH_ALEN); + template.aid = aid; + template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); + + return wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, &template, + sizeof(template)); + +} + +int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len) +{ + struct wl12xx_probe_req_template template; + struct wl12xx_ie_rates *rates; + char *ptr; + u16 size; + + ptr = (char *)&template; + size = sizeof(struct ieee80211_header); + + memset(template.header.da, 0xff, ETH_ALEN); + memset(template.header.bssid, 0xff, ETH_ALEN); + memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); + template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); + + /* IEs */ + /* SSID */ + template.ssid.header.id = WLAN_EID_SSID; + template.ssid.header.len = ssid_len; + if (ssid_len && ssid) + memcpy(template.ssid.ssid, ssid, ssid_len); + size += sizeof(struct wl12xx_ie_header) + ssid_len; + ptr += size; + + /* Basic Rates */ + rates = (struct wl12xx_ie_rates *)ptr; + rates->header.id = WLAN_EID_SUPP_RATES; + rates->header.len = wl1271_build_basic_rates(rates->rates); + size += sizeof(struct wl12xx_ie_header) + rates->header.len; + ptr += sizeof(struct wl12xx_ie_header) + rates->header.len; + + /* Extended rates */ + rates = (struct wl12xx_ie_rates *)ptr; + rates->header.id = WLAN_EID_EXT_SUPP_RATES; + rates->header.len = wl1271_build_extended_rates(rates->rates); + size += sizeof(struct wl12xx_ie_header) + rates->header.len; + + wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size); + + return wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, + &template, size); +} + +int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id) +{ + struct wl1271_cmd_set_keys *cmd; + int ret = 0; + + wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->id = id; + cmd->key_action = KEY_SET_ID; + cmd->key_type = KEY_WEP; + + ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd)); + if (ret < 0) { + wl1271_warning("cmd set_default_wep_key failed: %d", ret); + goto out; + } + +out: + kfree(cmd); + + return ret; +} + +int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, + u8 key_size, const u8 *key, const u8 *addr) +{ + struct wl1271_cmd_set_keys *cmd; + int ret = 0; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + if (key_type != KEY_WEP) + memcpy(cmd->addr, addr, ETH_ALEN); + + cmd->key_action = action; + cmd->key_size = key_size; + cmd->key_type = key_type; + + /* we have only one SSID profile */ + cmd->ssid_profile = 0; + + cmd->id = id; + + /* FIXME: this is from wl1251, needs to be checked */ + if (key_type == KEY_TKIP) { + /* + * We get the key in the following form: + * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) + * but the target is expecting: + * TKIP - RX MIC - TX MIC + */ + memcpy(cmd->key, key, 16); + memcpy(cmd->key + 16, key + 24, 8); + memcpy(cmd->key + 24, key + 16, 8); + + } else { + memcpy(cmd->key, key, key_size); + } + + wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); + + ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd)); + if (ret < 0) { + wl1271_warning("could not set keys"); + goto out; + } + +out: + kfree(cmd); + + return ret; +} diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h new file mode 100644 index 000000000000..951a8447a516 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h @@ -0,0 +1,464 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1271_CMD_H__ +#define __WL1271_CMD_H__ + +#include "wl1271.h" + +struct acx_header; + +int wl1271_cmd_send(struct wl1271 *wl, u16 type, void *buf, size_t buf_len); +int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval, + u16 beacon_interval, u8 wait); +int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer); +int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len); +int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len); +int wl1271_cmd_data_path(struct wl1271 *wl, u8 channel, bool enable); +int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode); +int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer, + size_t len); +int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len, + u8 active_scan, u8 high_prio, u8 num_channels, + u8 probe_requests); +int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id, + void *buf, size_t buf_len); +int wl1271_cmd_build_null_data(struct wl1271 *wl); +int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid); +int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len); +int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id); +int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, + u8 key_size, const u8 *key, const u8 *addr); + +enum wl1271_commands { + CMD_INTERROGATE = 1, /*use this to read information elements*/ + CMD_CONFIGURE = 2, /*use this to write information elements*/ + CMD_ENABLE_RX = 3, + CMD_ENABLE_TX = 4, + CMD_DISABLE_RX = 5, + CMD_DISABLE_TX = 6, + CMD_SCAN = 8, + CMD_STOP_SCAN = 9, + CMD_START_JOIN = 11, + CMD_SET_KEYS = 12, + CMD_READ_MEMORY = 13, + CMD_WRITE_MEMORY = 14, + CMD_SET_TEMPLATE = 19, + CMD_TEST = 23, + CMD_NOISE_HIST = 28, + CMD_LNA_CONTROL = 32, + CMD_SET_BCN_MODE = 33, + CMD_MEASUREMENT = 34, + CMD_STOP_MEASUREMENT = 35, + CMD_DISCONNECT = 36, + CMD_SET_PS_MODE = 37, + CMD_CHANNEL_SWITCH = 38, + CMD_STOP_CHANNEL_SWICTH = 39, + CMD_AP_DISCOVERY = 40, + CMD_STOP_AP_DISCOVERY = 41, + CMD_SPS_SCAN = 42, + CMD_STOP_SPS_SCAN = 43, + CMD_HEALTH_CHECK = 45, + CMD_DEBUG = 46, + CMD_TRIGGER_SCAN_TO = 47, + CMD_CONNECTION_SCAN_CFG = 48, + CMD_CONNECTION_SCAN_SSID_CFG = 49, + CMD_START_PERIODIC_SCAN = 50, + CMD_STOP_PERIODIC_SCAN = 51, + CMD_SET_STA_STATE = 52, + + NUM_COMMANDS, + MAX_COMMAND_ID = 0xFFFF, +}; + +#define MAX_CMD_PARAMS 572 + +enum cmd_templ { + CMD_TEMPL_NULL_DATA = 0, + CMD_TEMPL_BEACON, + CMD_TEMPL_CFG_PROBE_REQ_2_4, + CMD_TEMPL_CFG_PROBE_REQ_5, + CMD_TEMPL_PROBE_RESPONSE, + CMD_TEMPL_QOS_NULL_DATA, + CMD_TEMPL_PS_POLL, + CMD_TEMPL_KLV, + CMD_TEMPL_DISCONNECT, + CMD_TEMPL_PROBE_REQ_2_4, /* for firmware internal use only */ + CMD_TEMPL_PROBE_REQ_5, /* for firmware internal use only */ + CMD_TEMPL_BAR, /* for firmware internal use only */ + CMD_TEMPL_CTS, /* + * For CTS-to-self (FastCTS) mechanism + * for BT/WLAN coexistence (SoftGemini). */ + CMD_TEMPL_MAX = 0xff +}; + +/* unit ms */ +#define WL1271_COMMAND_TIMEOUT 2000 +#define WL1271_CMD_TEMPL_MAX_SIZE 252 + +struct wl1271_cmd_header { + u16 id; + u16 status; + /* payload */ + u8 data[0]; +} __attribute__ ((packed)); + +#define WL1271_CMD_MAX_PARAMS 572 + +struct wl1271_command { + struct wl1271_cmd_header header; + u8 parameters[WL1271_CMD_MAX_PARAMS]; +} __attribute__ ((packed)); + +enum { + CMD_MAILBOX_IDLE = 0, + CMD_STATUS_SUCCESS = 1, + CMD_STATUS_UNKNOWN_CMD = 2, + CMD_STATUS_UNKNOWN_IE = 3, + CMD_STATUS_REJECT_MEAS_SG_ACTIVE = 11, + CMD_STATUS_RX_BUSY = 13, + CMD_STATUS_INVALID_PARAM = 14, + CMD_STATUS_TEMPLATE_TOO_LARGE = 15, + CMD_STATUS_OUT_OF_MEMORY = 16, + CMD_STATUS_STA_TABLE_FULL = 17, + CMD_STATUS_RADIO_ERROR = 18, + CMD_STATUS_WRONG_NESTING = 19, + CMD_STATUS_TIMEOUT = 21, /* Driver internal use.*/ + CMD_STATUS_FW_RESET = 22, /* Driver internal use.*/ + MAX_COMMAND_STATUS = 0xff +}; + + +/* + * CMD_READ_MEMORY + * + * The host issues this command to read the WiLink device memory/registers. + * + * Note: The Base Band address has special handling (16 bits registers and + * addresses). For more information, see the hardware specification. + */ +/* + * CMD_WRITE_MEMORY + * + * The host issues this command to write the WiLink device memory/registers. + * + * The Base Band address has special handling (16 bits registers and + * addresses). For more information, see the hardware specification. + */ +#define MAX_READ_SIZE 256 + +struct cmd_read_write_memory { + struct wl1271_cmd_header header; + + /* The address of the memory to read from or write to.*/ + u32 addr; + + /* The amount of data in bytes to read from or write to the WiLink + * device.*/ + u32 size; + + /* The actual value read from or written to the Wilink. The source + of this field is the Host in WRITE command or the Wilink in READ + command. */ + u8 value[MAX_READ_SIZE]; +}; + +#define CMDMBOX_HEADER_LEN 4 +#define CMDMBOX_INFO_ELEM_HEADER_LEN 4 + +enum { + BSS_TYPE_IBSS = 0, + BSS_TYPE_STA_BSS = 2, + BSS_TYPE_AP_BSS = 3, + MAX_BSS_TYPE = 0xFF +}; + +#define WL1271_JOIN_CMD_CTRL_TX_FLUSH 0x80 /* Firmware flushes all Tx */ +#define WL1271_JOIN_CMD_TX_SESSION_OFFSET 1 + +struct wl1271_cmd_join { + struct wl1271_cmd_header header; + + u32 bssid_lsb; + u16 bssid_msb; + u16 beacon_interval; /* in TBTTs */ + u32 rx_config_options; + u32 rx_filter_options; + + /* + * The target uses this field to determine the rate at + * which to transmit control frame responses (such as + * ACK or CTS frames). + */ + u32 basic_rate_set; + u8 dtim_interval; + /* + * bits 0-2: This bitwise field specifies the type + * of BSS to start or join (BSS_TYPE_*). + * bit 4: Band - The radio band in which to join + * or start. + * 0 - 2.4GHz band + * 1 - 5GHz band + * bits 3, 5-7: Reserved + */ + u8 bss_type; + u8 channel; + u8 ssid_len; + u8 ssid[IW_ESSID_MAX_SIZE]; + u8 ctrl; /* JOIN_CMD_CTRL_* */ + u8 reserved[3]; +} __attribute__ ((packed)); + +struct cmd_enabledisable_path { + struct wl1271_cmd_header header; + + u8 channel; + u8 padding[3]; +} __attribute__ ((packed)); + +struct wl1271_cmd_template_set { + struct wl1271_cmd_header header; + + u16 len; + u8 template_type; + u8 index; /* relevant only for KLV_TEMPLATE type */ + u32 enabled_rates; + u8 short_retry_limit; + u8 long_retry_limit; + u8 aflags; + u8 reserved; + u8 template_data[WL1271_CMD_TEMPL_MAX_SIZE]; +} __attribute__ ((packed)); + +#define TIM_ELE_ID 5 +#define PARTIAL_VBM_MAX 251 + +struct wl1271_tim { + u8 identity; + u8 length; + u8 dtim_count; + u8 dtim_period; + u8 bitmap_ctrl; + u8 pvb_field[PARTIAL_VBM_MAX]; /* Partial Virtual Bitmap */ +} __attribute__ ((packed)); + +enum wl1271_cmd_ps_mode { + STATION_ACTIVE_MODE, + STATION_POWER_SAVE_MODE +}; + +struct wl1271_cmd_ps_params { + struct wl1271_cmd_header header; + + u8 ps_mode; /* STATION_* */ + u8 send_null_data; /* Do we have to send NULL data packet ? */ + u8 retries; /* Number of retires for the initial NULL data packet */ + + /* + * TUs during which the target stays awake after switching + * to power save mode. + */ + u8 hang_over_period; + u32 null_data_rate; +} __attribute__ ((packed)); + +/* HW encryption keys */ +#define NUM_ACCESS_CATEGORIES_COPY 4 +#define MAX_KEY_SIZE 32 + +/* When set, disable HW encryption */ +#define DF_ENCRYPTION_DISABLE 0x01 +/* When set, disable HW decryption */ +#define DF_SNIFF_MODE_ENABLE 0x80 + +enum wl1271_cmd_key_action { + KEY_ADD_OR_REPLACE = 1, + KEY_REMOVE = 2, + KEY_SET_ID = 3, + MAX_KEY_ACTION = 0xffff, +}; + +enum wl1271_cmd_key_type { + KEY_NONE = 0, + KEY_WEP = 1, + KEY_TKIP = 2, + KEY_AES = 3, + KEY_GEM = 4 +}; + +/* FIXME: Add description for key-types */ + +struct wl1271_cmd_set_keys { + struct wl1271_cmd_header header; + + /* Ignored for default WEP key */ + u8 addr[ETH_ALEN]; + + /* key_action_e */ + u16 key_action; + + u16 reserved_1; + + /* key size in bytes */ + u8 key_size; + + /* key_type_e */ + u8 key_type; + u8 ssid_profile; + + /* + * TKIP, AES: frame's key id field. + * For WEP default key: key id; + */ + u8 id; + u8 reserved_2[6]; + u8 key[MAX_KEY_SIZE]; + u16 ac_seq_num16[NUM_ACCESS_CATEGORIES_COPY]; + u32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY]; +} __attribute__ ((packed)); + + +#define WL1271_SCAN_MAX_CHANNELS 24 +#define WL1271_SCAN_DEFAULT_TAG 1 +#define WL1271_SCAN_CURRENT_TX_PWR 0 +#define WL1271_SCAN_OPT_ACTIVE 0 +#define WL1271_SCAN_OPT_PASSIVE 1 +#define WL1271_SCAN_OPT_PRIORITY_HIGH 4 +#define WL1271_SCAN_CHAN_MIN_DURATION 30000 /* TU */ +#define WL1271_SCAN_CHAN_MAX_DURATION 60000 /* TU */ + +struct basic_scan_params { + u32 rx_config_options; + u32 rx_filter_options; + /* Scan option flags (WL1271_SCAN_OPT_*) */ + u16 scan_options; + /* Number of scan channels in the list (maximum 30) */ + u8 num_channels; + /* This field indicates the number of probe requests to send + per channel for an active scan */ + u8 num_probe_requests; + /* Rate bit field for sending the probes */ + u32 tx_rate; + u8 tid_trigger; + u8 ssid_len; + /* in order to align */ + u8 padding1[2]; + u8 ssid[IW_ESSID_MAX_SIZE]; + /* Band to scan */ + u8 band; + u8 use_ssid_list; + u8 scan_tag; + u8 padding2; +} __attribute__ ((packed)); + +struct basic_scan_channel_params { + /* Duration in TU to wait for frames on a channel for active scan */ + u32 min_duration; + u32 max_duration; + u32 bssid_lsb; + u16 bssid_msb; + u8 early_termination; + u8 tx_power_att; + u8 channel; + /* FW internal use only! */ + u8 dfs_candidate; + u8 activity_detected; + u8 pad; +} __attribute__ ((packed)); + +struct wl1271_cmd_scan { + struct wl1271_cmd_header header; + + struct basic_scan_params params; + struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS]; +} __attribute__ ((packed)); + +struct wl1271_cmd_trigger_scan_to { + struct wl1271_cmd_header header; + + u32 timeout; +}; + +struct wl1271_cmd_test_header { + u8 id; + u8 padding[3]; +}; + +enum wl1271_channel_tune_bands { + WL1271_CHANNEL_TUNE_BAND_2_4, + WL1271_CHANNEL_TUNE_BAND_5, + WL1271_CHANNEL_TUNE_BAND_4_9 +}; + +#define WL1271_PD_REFERENCE_POINT_BAND_B_G 0 + +#define TEST_CMD_P2G_CAL 0x02 +#define TEST_CMD_CHANNEL_TUNE 0x0d +#define TEST_CMD_UPDATE_PD_REFERENCE_POINT 0x1d + +struct wl1271_cmd_cal_channel_tune { + struct wl1271_cmd_header header; + + struct wl1271_cmd_test_header test; + + u8 band; + u8 channel; + + u16 radio_status; +} __attribute__ ((packed)); + +struct wl1271_cmd_cal_update_ref_point { + struct wl1271_cmd_header header; + + struct wl1271_cmd_test_header test; + + s32 ref_power; + s32 ref_detector; + u8 sub_band; + u8 padding[3]; +} __attribute__ ((packed)); + +#define MAX_TLV_LENGTH 400 +#define MAX_NVS_VERSION_LENGTH 12 + +#define WL1271_CAL_P2G_BAND_B_G BIT(0) + +struct wl1271_cmd_cal_p2g { + struct wl1271_cmd_header header; + + struct wl1271_cmd_test_header test; + + u16 len; + u8 buf[MAX_TLV_LENGTH]; + u8 type; + u8 padding; + + s16 radio_status; + u8 nvs_version[MAX_NVS_VERSION_LENGTH]; + + u8 sub_band_mask; + u8 padding2; +} __attribute__ ((packed)); + +#endif /* __WL1271_CMD_H__ */ diff --git a/drivers/net/wireless/wl12xx/wl1271_debugfs.c b/drivers/net/wireless/wl12xx/wl1271_debugfs.c new file mode 100644 index 000000000000..c1805e5f8964 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_debugfs.c @@ -0,0 +1,518 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "wl1271_debugfs.h" + +#include <linux/skbuff.h> + +#include "wl1271.h" +#include "wl1271_acx.h" +#include "wl1271_ps.h" + +/* ms */ +#define WL1271_DEBUGFS_STATS_LIFETIME 1000 + +/* debugfs macros idea from mac80211 */ + +#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \ +static ssize_t name## _read(struct file *file, char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct wl1271 *wl = file->private_data; \ + char buf[buflen]; \ + int res; \ + \ + res = scnprintf(buf, buflen, fmt "\n", ##value); \ + return simple_read_from_buffer(userbuf, count, ppos, buf, res); \ +} \ + \ +static const struct file_operations name## _ops = { \ + .read = name## _read, \ + .open = wl1271_open_file_generic, \ +}; + +#define DEBUGFS_ADD(name, parent) \ + wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \ + wl, &name## _ops); \ + if (IS_ERR(wl->debugfs.name)) { \ + ret = PTR_ERR(wl->debugfs.name); \ + wl->debugfs.name = NULL; \ + goto out; \ + } + +#define DEBUGFS_DEL(name) \ + do { \ + debugfs_remove(wl->debugfs.name); \ + wl->debugfs.name = NULL; \ + } while (0) + +#define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt) \ +static ssize_t sub## _ ##name## _read(struct file *file, \ + char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct wl1271 *wl = file->private_data; \ + char buf[buflen]; \ + int res; \ + \ + wl1271_debugfs_update_stats(wl); \ + \ + res = scnprintf(buf, buflen, fmt "\n", \ + wl->stats.fw_stats->sub.name); \ + return simple_read_from_buffer(userbuf, count, ppos, buf, res); \ +} \ + \ +static const struct file_operations sub## _ ##name## _ops = { \ + .read = sub## _ ##name## _read, \ + .open = wl1271_open_file_generic, \ +}; + +#define DEBUGFS_FWSTATS_ADD(sub, name) \ + DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics) + +#define DEBUGFS_FWSTATS_DEL(sub, name) \ + DEBUGFS_DEL(sub## _ ##name) + +static void wl1271_debugfs_update_stats(struct wl1271 *wl) +{ + int ret; + + mutex_lock(&wl->mutex); + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + + if (wl->state == WL1271_STATE_ON && + time_after(jiffies, wl->stats.fw_stats_update + + msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) { + wl1271_acx_statistics(wl, wl->stats.fw_stats); + wl->stats.fw_stats_update = jiffies; + } + + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); +} + +static int wl1271_open_file_generic(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u"); + +DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u"); +DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u"); +DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u"); +DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u"); +DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u"); +DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u"); +DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u"); +DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u"); + +DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u"); +DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u"); +DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u"); +DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u"); + +DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u"); +DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u"); + +DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u"); +DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u"); +/* skipping wep.reserved */ +DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u"); +DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u"); +DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u"); +DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u"); + +DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u"); +DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u"); +/* skipping cont_miss_bcns_spread for now */ +DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u"); + +DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u"); +DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u"); + +DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u"); +DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u"); +DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u"); +DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u"); +DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u"); +DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u"); + +DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u"); +DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u"); +DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u"); +DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u"); +DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u"); +DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u"); +DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u"); +DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u"); + +DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u"); +DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u"); +DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u"); +DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u"); +DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u"); +DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u"); +DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u"); + +DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u"); +DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u"); +DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, + 20, "%u"); +DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u"); +DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u"); + +DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count); +DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u", + wl->stats.excessive_retries); + +static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + u32 queue_len; + char buf[20]; + int res; + + queue_len = skb_queue_len(&wl->tx_queue); + + res = scnprintf(buf, sizeof(buf), "%u\n", queue_len); + return simple_read_from_buffer(userbuf, count, ppos, buf, res); +} + +static const struct file_operations tx_queue_len_ops = { + .read = tx_queue_len_read, + .open = wl1271_open_file_generic, +}; + +static void wl1271_debugfs_delete_files(struct wl1271 *wl) +{ + DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow); + + DEBUGFS_FWSTATS_DEL(rx, out_of_mem); + DEBUGFS_FWSTATS_DEL(rx, hdr_overflow); + DEBUGFS_FWSTATS_DEL(rx, hw_stuck); + DEBUGFS_FWSTATS_DEL(rx, dropped); + DEBUGFS_FWSTATS_DEL(rx, fcs_err); + DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig); + DEBUGFS_FWSTATS_DEL(rx, path_reset); + DEBUGFS_FWSTATS_DEL(rx, reset_counter); + + DEBUGFS_FWSTATS_DEL(dma, rx_requested); + DEBUGFS_FWSTATS_DEL(dma, rx_errors); + DEBUGFS_FWSTATS_DEL(dma, tx_requested); + DEBUGFS_FWSTATS_DEL(dma, tx_errors); + + DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt); + DEBUGFS_FWSTATS_DEL(isr, fiqs); + DEBUGFS_FWSTATS_DEL(isr, rx_headers); + DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow); + DEBUGFS_FWSTATS_DEL(isr, rx_rdys); + DEBUGFS_FWSTATS_DEL(isr, irqs); + DEBUGFS_FWSTATS_DEL(isr, tx_procs); + DEBUGFS_FWSTATS_DEL(isr, decrypt_done); + DEBUGFS_FWSTATS_DEL(isr, dma0_done); + DEBUGFS_FWSTATS_DEL(isr, dma1_done); + DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete); + DEBUGFS_FWSTATS_DEL(isr, commands); + DEBUGFS_FWSTATS_DEL(isr, rx_procs); + DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes); + DEBUGFS_FWSTATS_DEL(isr, host_acknowledges); + DEBUGFS_FWSTATS_DEL(isr, pci_pm); + DEBUGFS_FWSTATS_DEL(isr, wakeups); + DEBUGFS_FWSTATS_DEL(isr, low_rssi); + + DEBUGFS_FWSTATS_DEL(wep, addr_key_count); + DEBUGFS_FWSTATS_DEL(wep, default_key_count); + /* skipping wep.reserved */ + DEBUGFS_FWSTATS_DEL(wep, key_not_found); + DEBUGFS_FWSTATS_DEL(wep, decrypt_fail); + DEBUGFS_FWSTATS_DEL(wep, packets); + DEBUGFS_FWSTATS_DEL(wep, interrupt); + + DEBUGFS_FWSTATS_DEL(pwr, ps_enter); + DEBUGFS_FWSTATS_DEL(pwr, elp_enter); + DEBUGFS_FWSTATS_DEL(pwr, missing_bcns); + DEBUGFS_FWSTATS_DEL(pwr, wake_on_host); + DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp); + DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps); + DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps); + DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons); + DEBUGFS_FWSTATS_DEL(pwr, power_save_off); + DEBUGFS_FWSTATS_DEL(pwr, enable_ps); + DEBUGFS_FWSTATS_DEL(pwr, disable_ps); + DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps); + /* skipping cont_miss_bcns_spread for now */ + DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons); + + DEBUGFS_FWSTATS_DEL(mic, rx_pkts); + DEBUGFS_FWSTATS_DEL(mic, calc_failure); + + DEBUGFS_FWSTATS_DEL(aes, encrypt_fail); + DEBUGFS_FWSTATS_DEL(aes, decrypt_fail); + DEBUGFS_FWSTATS_DEL(aes, encrypt_packets); + DEBUGFS_FWSTATS_DEL(aes, decrypt_packets); + DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt); + DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt); + + DEBUGFS_FWSTATS_DEL(event, heart_beat); + DEBUGFS_FWSTATS_DEL(event, calibration); + DEBUGFS_FWSTATS_DEL(event, rx_mismatch); + DEBUGFS_FWSTATS_DEL(event, rx_mem_empty); + DEBUGFS_FWSTATS_DEL(event, rx_pool); + DEBUGFS_FWSTATS_DEL(event, oom_late); + DEBUGFS_FWSTATS_DEL(event, phy_transmit_error); + DEBUGFS_FWSTATS_DEL(event, tx_stuck); + + DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts); + DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts); + DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime); + DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn); + DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn); + DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization); + DEBUGFS_FWSTATS_DEL(ps, upsd_utilization); + + DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop); + DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data); + DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); + DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data); + DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data); + + DEBUGFS_DEL(tx_queue_len); + DEBUGFS_DEL(retry_count); + DEBUGFS_DEL(excessive_retries); +} + +static int wl1271_debugfs_add_files(struct wl1271 *wl) +{ + int ret = 0; + + DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow); + + DEBUGFS_FWSTATS_ADD(rx, out_of_mem); + DEBUGFS_FWSTATS_ADD(rx, hdr_overflow); + DEBUGFS_FWSTATS_ADD(rx, hw_stuck); + DEBUGFS_FWSTATS_ADD(rx, dropped); + DEBUGFS_FWSTATS_ADD(rx, fcs_err); + DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig); + DEBUGFS_FWSTATS_ADD(rx, path_reset); + DEBUGFS_FWSTATS_ADD(rx, reset_counter); + + DEBUGFS_FWSTATS_ADD(dma, rx_requested); + DEBUGFS_FWSTATS_ADD(dma, rx_errors); + DEBUGFS_FWSTATS_ADD(dma, tx_requested); + DEBUGFS_FWSTATS_ADD(dma, tx_errors); + + DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt); + DEBUGFS_FWSTATS_ADD(isr, fiqs); + DEBUGFS_FWSTATS_ADD(isr, rx_headers); + DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow); + DEBUGFS_FWSTATS_ADD(isr, rx_rdys); + DEBUGFS_FWSTATS_ADD(isr, irqs); + DEBUGFS_FWSTATS_ADD(isr, tx_procs); + DEBUGFS_FWSTATS_ADD(isr, decrypt_done); + DEBUGFS_FWSTATS_ADD(isr, dma0_done); + DEBUGFS_FWSTATS_ADD(isr, dma1_done); + DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete); + DEBUGFS_FWSTATS_ADD(isr, commands); + DEBUGFS_FWSTATS_ADD(isr, rx_procs); + DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes); + DEBUGFS_FWSTATS_ADD(isr, host_acknowledges); + DEBUGFS_FWSTATS_ADD(isr, pci_pm); + DEBUGFS_FWSTATS_ADD(isr, wakeups); + DEBUGFS_FWSTATS_ADD(isr, low_rssi); + + DEBUGFS_FWSTATS_ADD(wep, addr_key_count); + DEBUGFS_FWSTATS_ADD(wep, default_key_count); + /* skipping wep.reserved */ + DEBUGFS_FWSTATS_ADD(wep, key_not_found); + DEBUGFS_FWSTATS_ADD(wep, decrypt_fail); + DEBUGFS_FWSTATS_ADD(wep, packets); + DEBUGFS_FWSTATS_ADD(wep, interrupt); + + DEBUGFS_FWSTATS_ADD(pwr, ps_enter); + DEBUGFS_FWSTATS_ADD(pwr, elp_enter); + DEBUGFS_FWSTATS_ADD(pwr, missing_bcns); + DEBUGFS_FWSTATS_ADD(pwr, wake_on_host); + DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp); + DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps); + DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps); + DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons); + DEBUGFS_FWSTATS_ADD(pwr, power_save_off); + DEBUGFS_FWSTATS_ADD(pwr, enable_ps); + DEBUGFS_FWSTATS_ADD(pwr, disable_ps); + DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps); + /* skipping cont_miss_bcns_spread for now */ + DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons); + + DEBUGFS_FWSTATS_ADD(mic, rx_pkts); + DEBUGFS_FWSTATS_ADD(mic, calc_failure); + + DEBUGFS_FWSTATS_ADD(aes, encrypt_fail); + DEBUGFS_FWSTATS_ADD(aes, decrypt_fail); + DEBUGFS_FWSTATS_ADD(aes, encrypt_packets); + DEBUGFS_FWSTATS_ADD(aes, decrypt_packets); + DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt); + DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt); + + DEBUGFS_FWSTATS_ADD(event, heart_beat); + DEBUGFS_FWSTATS_ADD(event, calibration); + DEBUGFS_FWSTATS_ADD(event, rx_mismatch); + DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); + DEBUGFS_FWSTATS_ADD(event, rx_pool); + DEBUGFS_FWSTATS_ADD(event, oom_late); + DEBUGFS_FWSTATS_ADD(event, phy_transmit_error); + DEBUGFS_FWSTATS_ADD(event, tx_stuck); + + DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts); + DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts); + DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime); + DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn); + DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn); + DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization); + DEBUGFS_FWSTATS_ADD(ps, upsd_utilization); + + DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop); + DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data); + DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); + DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data); + DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); + + DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir); + DEBUGFS_ADD(retry_count, wl->debugfs.rootdir); + DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir); + +out: + if (ret < 0) + wl1271_debugfs_delete_files(wl); + + return ret; +} + +void wl1271_debugfs_reset(struct wl1271 *wl) +{ + memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats)); + wl->stats.retry_count = 0; + wl->stats.excessive_retries = 0; +} + +int wl1271_debugfs_init(struct wl1271 *wl) +{ + int ret; + + wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); + + if (IS_ERR(wl->debugfs.rootdir)) { + ret = PTR_ERR(wl->debugfs.rootdir); + wl->debugfs.rootdir = NULL; + goto err; + } + + wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics", + wl->debugfs.rootdir); + + if (IS_ERR(wl->debugfs.fw_statistics)) { + ret = PTR_ERR(wl->debugfs.fw_statistics); + wl->debugfs.fw_statistics = NULL; + goto err_root; + } + + wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats), + GFP_KERNEL); + + if (!wl->stats.fw_stats) { + ret = -ENOMEM; + goto err_fw; + } + + wl->stats.fw_stats_update = jiffies; + + ret = wl1271_debugfs_add_files(wl); + + if (ret < 0) + goto err_file; + + return 0; + +err_file: + kfree(wl->stats.fw_stats); + wl->stats.fw_stats = NULL; + +err_fw: + debugfs_remove(wl->debugfs.fw_statistics); + wl->debugfs.fw_statistics = NULL; + +err_root: + debugfs_remove(wl->debugfs.rootdir); + wl->debugfs.rootdir = NULL; + +err: + return ret; +} + +void wl1271_debugfs_exit(struct wl1271 *wl) +{ + wl1271_debugfs_delete_files(wl); + + kfree(wl->stats.fw_stats); + wl->stats.fw_stats = NULL; + + debugfs_remove(wl->debugfs.fw_statistics); + wl->debugfs.fw_statistics = NULL; + + debugfs_remove(wl->debugfs.rootdir); + wl->debugfs.rootdir = NULL; + +} diff --git a/drivers/net/wireless/wl12xx/wl1271_debugfs.h b/drivers/net/wireless/wl12xx/wl1271_debugfs.h new file mode 100644 index 000000000000..00a45b2669ad --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_debugfs.h @@ -0,0 +1,33 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef WL1271_DEBUGFS_H +#define WL1271_DEBUGFS_H + +#include "wl1271.h" + +int wl1271_debugfs_init(struct wl1271 *wl); +void wl1271_debugfs_exit(struct wl1271 *wl); +void wl1271_debugfs_reset(struct wl1271 *wl); + +#endif /* WL1271_DEBUGFS_H */ diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c new file mode 100644 index 000000000000..f3afd4a6ff33 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_event.c @@ -0,0 +1,125 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2008-2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "wl1271.h" +#include "wl1271_reg.h" +#include "wl1271_spi.h" +#include "wl1271_event.h" +#include "wl1271_ps.h" + +static int wl1271_event_scan_complete(struct wl1271 *wl, + struct event_mailbox *mbox) +{ + wl1271_debug(DEBUG_EVENT, "status: 0x%x", + mbox->scheduled_scan_status); + + if (wl->scanning) { + mutex_unlock(&wl->mutex); + ieee80211_scan_completed(wl->hw, false); + mutex_lock(&wl->mutex); + wl->scanning = false; + } + + return 0; +} + +static void wl1271_event_mbox_dump(struct event_mailbox *mbox) +{ + wl1271_debug(DEBUG_EVENT, "MBOX DUMP:"); + wl1271_debug(DEBUG_EVENT, "\tvector: 0x%x", mbox->events_vector); + wl1271_debug(DEBUG_EVENT, "\tmask: 0x%x", mbox->events_mask); +} + +static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) +{ + int ret; + u32 vector; + + wl1271_event_mbox_dump(mbox); + + vector = mbox->events_vector & ~(mbox->events_mask); + wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector); + + if (vector & SCAN_COMPLETE_EVENT_ID) { + ret = wl1271_event_scan_complete(wl, mbox); + if (ret < 0) + return ret; + } + + if (vector & BSS_LOSE_EVENT_ID) { + wl1271_debug(DEBUG_EVENT, "BSS_LOSE_EVENT"); + + if (wl->psm_requested && wl->psm) { + ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE); + if (ret < 0) + return ret; + } + } + + return 0; +} + +int wl1271_event_unmask(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_event_mbox_mask(wl, ~(wl->event_mask)); + if (ret < 0) + return ret; + + return 0; +} + +void wl1271_event_mbox_config(struct wl1271 *wl) +{ + wl->mbox_ptr[0] = wl1271_reg_read32(wl, REG_EVENT_MAILBOX_PTR); + wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox); + + wl1271_debug(DEBUG_EVENT, "MBOX ptrs: 0x%x 0x%x", + wl->mbox_ptr[0], wl->mbox_ptr[1]); +} + +int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num) +{ + struct event_mailbox mbox; + int ret; + + wl1271_debug(DEBUG_EVENT, "EVENT on mbox %d", mbox_num); + + if (mbox_num > 1) + return -EINVAL; + + /* first we read the mbox descriptor */ + wl1271_spi_mem_read(wl, wl->mbox_ptr[mbox_num], &mbox, + sizeof(struct event_mailbox)); + + /* process the descriptor */ + ret = wl1271_event_process(wl, &mbox); + if (ret < 0) + return ret; + + /* then we let the firmware know it can go on...*/ + wl1271_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK); + + return 0; +} diff --git a/drivers/net/wireless/wl12xx/wl1271_event.h b/drivers/net/wireless/wl12xx/wl1271_event.h new file mode 100644 index 000000000000..2cdce7c34bf0 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_event.h @@ -0,0 +1,110 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. + * Copyright (C) 2008-2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1271_EVENT_H__ +#define __WL1271_EVENT_H__ + +/* + * Mbox events + * + * The event mechanism is based on a pair of event buffers (buffers A and + * B) at fixed locations in the target's memory. The host processes one + * buffer while the other buffer continues to collect events. If the host + * is not processing events, an interrupt is issued to signal that a buffer + * is ready. Once the host is done with processing events from one buffer, + * it signals the target (with an ACK interrupt) that the event buffer is + * free. + */ + +enum { + MEASUREMENT_START_EVENT_ID = BIT(8), + MEASUREMENT_COMPLETE_EVENT_ID = BIT(9), + SCAN_COMPLETE_EVENT_ID = BIT(10), + SCHEDULED_SCAN_COMPLETE_EVENT_ID = BIT(11), + AP_DISCOVERY_COMPLETE_EVENT_ID = BIT(12), + PS_REPORT_EVENT_ID = BIT(13), + PSPOLL_DELIVERY_FAILURE_EVENT_ID = BIT(14), + DISCONNECT_EVENT_COMPLETE_ID = BIT(15), + JOIN_EVENT_COMPLETE_ID = BIT(16), + CHANNEL_SWITCH_COMPLETE_EVENT_ID = BIT(17), + BSS_LOSE_EVENT_ID = BIT(18), + REGAINED_BSS_EVENT_ID = BIT(19), + ROAMING_TRIGGER_MAX_TX_RETRY_EVENT_ID = BIT(20), + SOFT_GEMINI_SENSE_EVENT_ID = BIT(22), + SOFT_GEMINI_PREDICTION_EVENT_ID = BIT(23), + SOFT_GEMINI_AVALANCHE_EVENT_ID = BIT(24), + PLT_RX_CALIBRATION_COMPLETE_EVENT_ID = BIT(25), + DBG_EVENT_ID = BIT(26), + HEALTH_CHECK_REPLY_EVENT_ID = BIT(27), + PERIODIC_SCAN_COMPLETE_EVENT_ID = BIT(28), + PERIODIC_SCAN_REPORT_EVENT_ID = BIT(29), + BA_SESSION_TEAR_DOWN_EVENT_ID = BIT(30), + EVENT_MBOX_ALL_EVENT_ID = 0x7fffffff, +}; + +struct event_debug_report { + u8 debug_event_id; + u8 num_params; + u16 pad; + u32 report_1; + u32 report_2; + u32 report_3; +} __attribute__ ((packed)); + +#define NUM_OF_RSSI_SNR_TRIGGERS 8 + +struct event_mailbox { + u32 events_vector; + u32 events_mask; + u32 reserved_1; + u32 reserved_2; + + u8 dbg_event_id; + u8 num_relevant_params; + u16 reserved_3; + u32 event_report_p1; + u32 event_report_p2; + u32 event_report_p3; + + u8 number_of_scan_results; + u8 scan_tag; + u8 reserved_4[2]; + u32 compl_scheduled_scan_status; + + u16 scheduled_scan_attended_channels; + u8 soft_gemini_sense_info; + u8 soft_gemini_protective_info; + s8 rssi_snr_trigger_metric[NUM_OF_RSSI_SNR_TRIGGERS]; + u8 channel_switch_status; + u8 scheduled_scan_status; + u8 ps_status; + + u8 reserved_5[29]; +} __attribute__ ((packed)); + +int wl1271_event_unmask(struct wl1271 *wl); +void wl1271_event_mbox_config(struct wl1271 *wl); +int wl1271_event_handle(struct wl1271 *wl, u8 mbox); + +#endif diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c new file mode 100644 index 000000000000..490df217605a --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_init.c @@ -0,0 +1,397 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> + +#include "wl1271_init.h" +#include "wl12xx_80211.h" +#include "wl1271_acx.h" +#include "wl1271_cmd.h" +#include "wl1271_reg.h" + +static int wl1271_init_hwenc_config(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_feature_cfg(wl); + if (ret < 0) { + wl1271_warning("couldn't set feature config"); + return ret; + } + + ret = wl1271_cmd_set_default_wep_key(wl, wl->default_key); + if (ret < 0) { + wl1271_warning("couldn't set default key"); + return ret; + } + + return 0; +} + +static int wl1271_init_templates_config(struct wl1271 *wl) +{ + int ret; + + /* send empty templates for fw memory reservation */ + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL, + sizeof(struct wl12xx_probe_req_template)); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL, + sizeof(struct wl12xx_null_data_template)); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL, + sizeof(struct wl12xx_ps_poll_template)); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL, + sizeof + (struct wl12xx_qos_null_data_template)); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL, + sizeof + (struct wl12xx_probe_resp_template)); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL, + sizeof + (struct wl12xx_beacon_template)); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter) +{ + int ret; + + ret = wl1271_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF); + if (ret < 0) + return ret; + + ret = wl1271_acx_rx_config(wl, config, filter); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_phy_config(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_pd_threshold(wl); + if (ret < 0) + return ret; + + ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME); + if (ret < 0) + return ret; + + ret = wl1271_acx_group_address_tbl(wl); + if (ret < 0) + return ret; + + ret = wl1271_acx_service_period_timeout(wl); + if (ret < 0) + return ret; + + ret = wl1271_acx_rts_threshold(wl, RTS_THRESHOLD_DEF); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_beacon_filter(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_beacon_filter_opt(wl); + if (ret < 0) + return ret; + + ret = wl1271_acx_beacon_filter_table(wl); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_pta(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_sg_enable(wl); + if (ret < 0) + return ret; + + ret = wl1271_acx_sg_cfg(wl); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_energy_detection(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_cca_threshold(wl); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_beacon_broadcast(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_bcn_dtim_options(wl); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_general_parms(struct wl1271 *wl) +{ + struct wl1271_general_parms *gen_parms; + int ret; + + gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL); + if (!gen_parms) + return -ENOMEM; + + gen_parms->id = TEST_CMD_INI_FILE_GENERAL_PARAM; + + gen_parms->ref_clk = REF_CLK_38_4_E; + /* FIXME: magic numbers */ + gen_parms->settling_time = 5; + gen_parms->clk_valid_on_wakeup = 0; + gen_parms->dc2dcmode = 0; + gen_parms->single_dual_band = 0; + gen_parms->tx_bip_fem_autodetect = 1; + gen_parms->tx_bip_fem_manufacturer = 1; + gen_parms->settings = 1; + + ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), 0); + if (ret < 0) { + wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed"); + return ret; + } + + kfree(gen_parms); + return 0; +} + +static int wl1271_init_radio_parms(struct wl1271 *wl) +{ + /* + * FIXME: All these magic numbers should be moved to some place where + * they can be configured (separate file?) + */ + + struct wl1271_radio_parms *radio_parms; + int ret; + u8 compensation[] = { 0xec, 0xf6, 0x00, 0x0c, 0x18, 0xf8, 0xfc, 0x00, + 0x08, 0x10, 0xf0, 0xf8, 0x00, 0x0a, 0x14 }; + + u8 tx_rate_limits_normal[] = { 0x1e, 0x1f, 0x22, 0x24, 0x28, 0x29 }; + u8 tx_rate_limits_degraded[] = { 0x1b, 0x1c, 0x1e, 0x20, 0x24, 0x25 }; + + u8 tx_channel_limits_11b[] = { 0x22, 0x50, 0x50, 0x50, + 0x50, 0x50, 0x50, 0x50, + 0x50, 0x50, 0x22, 0x50, + 0x22, 0x50 }; + + u8 tx_channel_limits_ofdm[] = { 0x20, 0x50, 0x50, 0x50, + 0x50, 0x50, 0x50, 0x50, + 0x50, 0x50, 0x20, 0x50, + 0x20, 0x50 }; + + u8 tx_pdv_rate_offsets[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + + u8 tx_ibias[] = { 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x27 }; + + radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL); + if (!radio_parms) + return -ENOMEM; + + radio_parms->id = TEST_CMD_INI_FILE_RADIO_PARAM; + + /* Static radio parameters */ + radio_parms->rx_trace_loss = 10; + radio_parms->tx_trace_loss = 10; + memcpy(radio_parms->rx_rssi_and_proc_compens, compensation, + sizeof(compensation)); + + /* We don't set the 5GHz -- N/A */ + + /* Dynamic radio parameters */ + radio_parms->tx_ref_pd_voltage = cpu_to_le16(0x24e); + radio_parms->tx_ref_power = 0x78; + radio_parms->tx_offset_db = 0x0; + + memcpy(radio_parms->tx_rate_limits_normal, tx_rate_limits_normal, + sizeof(tx_rate_limits_normal)); + memcpy(radio_parms->tx_rate_limits_degraded, tx_rate_limits_degraded, + sizeof(tx_rate_limits_degraded)); + + memcpy(radio_parms->tx_channel_limits_11b, tx_channel_limits_11b, + sizeof(tx_channel_limits_11b)); + memcpy(radio_parms->tx_channel_limits_ofdm, tx_channel_limits_ofdm, + sizeof(tx_channel_limits_ofdm)); + memcpy(radio_parms->tx_pdv_rate_offsets, tx_pdv_rate_offsets, + sizeof(tx_pdv_rate_offsets)); + memcpy(radio_parms->tx_ibias, tx_ibias, + sizeof(tx_ibias)); + + radio_parms->rx_fem_insertion_loss = 0x14; + + ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0); + if (ret < 0) + wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed"); + + kfree(radio_parms); + return ret; +} + +int wl1271_hw_init(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_init_general_parms(wl); + if (ret < 0) + return ret; + + ret = wl1271_init_radio_parms(wl); + if (ret < 0) + return ret; + + /* Template settings */ + ret = wl1271_init_templates_config(wl); + if (ret < 0) + return ret; + + /* Default memory configuration */ + ret = wl1271_acx_init_mem_config(wl); + if (ret < 0) + return ret; + + /* RX config */ + ret = wl1271_init_rx_config(wl, + RX_CFG_PROMISCUOUS | RX_CFG_TSF, + RX_FILTER_OPTION_DEF); + /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS, + RX_FILTER_OPTION_FILTER_ALL); */ + if (ret < 0) + goto out_free_memmap; + + /* PHY layer config */ + ret = wl1271_init_phy_config(wl); + if (ret < 0) + goto out_free_memmap; + + /* Beacon filtering */ + ret = wl1271_init_beacon_filter(wl); + if (ret < 0) + goto out_free_memmap; + + /* Configure TX patch complete interrupt behavior */ + ret = wl1271_acx_tx_config_options(wl); + if (ret < 0) + goto out_free_memmap; + + /* RX complete interrupt pacing */ + ret = wl1271_acx_init_rx_interrupt(wl); + if (ret < 0) + goto out_free_memmap; + + /* Bluetooth WLAN coexistence */ + ret = wl1271_init_pta(wl); + if (ret < 0) + goto out_free_memmap; + + /* Energy detection */ + ret = wl1271_init_energy_detection(wl); + if (ret < 0) + goto out_free_memmap; + + /* Beacons and boradcast settings */ + ret = wl1271_init_beacon_broadcast(wl); + if (ret < 0) + goto out_free_memmap; + + /* Default fragmentation threshold */ + ret = wl1271_acx_frag_threshold(wl); + if (ret < 0) + goto out_free_memmap; + + /* Default TID configuration */ + ret = wl1271_acx_tid_cfg(wl); + if (ret < 0) + goto out_free_memmap; + + /* Default AC configuration */ + ret = wl1271_acx_ac_cfg(wl); + if (ret < 0) + goto out_free_memmap; + + /* Configure TX rate classes */ + ret = wl1271_acx_rate_policies(wl); + if (ret < 0) + goto out_free_memmap; + + /* Enable data path */ + ret = wl1271_cmd_data_path(wl, wl->channel, 1); + if (ret < 0) + goto out_free_memmap; + + /* Configure for ELP power saving */ + ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); + if (ret < 0) + goto out_free_memmap; + + /* Configure HW encryption */ + ret = wl1271_init_hwenc_config(wl); + if (ret < 0) + goto out_free_memmap; + + return 0; + + out_free_memmap: + kfree(wl->target_mem_map); + + return ret; +} diff --git a/drivers/net/wireless/wl12xx/wl1271_init.h b/drivers/net/wireless/wl12xx/wl1271_init.h new file mode 100644 index 000000000000..bd8ff0fa2272 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_init.h @@ -0,0 +1,115 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1271_INIT_H__ +#define __WL1271_INIT_H__ + +#include "wl1271.h" + +int wl1271_hw_init_power_auth(struct wl1271 *wl); +int wl1271_hw_init(struct wl1271 *wl); + +/* These are not really a TEST_CMD, but the ref driver uses them as such */ +#define TEST_CMD_INI_FILE_RADIO_PARAM 0x19 +#define TEST_CMD_INI_FILE_GENERAL_PARAM 0x1E + +struct wl1271_general_parms { + u8 id; + u8 padding[3]; + + u8 ref_clk; + u8 settling_time; + u8 clk_valid_on_wakeup; + u8 dc2dcmode; + u8 single_dual_band; + + u8 tx_bip_fem_autodetect; + u8 tx_bip_fem_manufacturer; + u8 settings; +} __attribute__ ((packed)); + +enum ref_clk_enum { + REF_CLK_19_2_E, + REF_CLK_26_E, + REF_CLK_38_4_E, + REF_CLK_52_E +}; + +#define RSSI_AND_PROCESS_COMPENSATION_SIZE 15 +#define NUMBER_OF_SUB_BANDS_5 7 +#define NUMBER_OF_RATE_GROUPS 6 +#define NUMBER_OF_CHANNELS_2_4 14 +#define NUMBER_OF_CHANNELS_5 35 + +struct wl1271_radio_parms { + u8 id; + u8 padding[3]; + + /* Static radio parameters */ + /* 2.4GHz */ + u8 rx_trace_loss; + u8 tx_trace_loss; + s8 rx_rssi_and_proc_compens[RSSI_AND_PROCESS_COMPENSATION_SIZE]; + + /* 5GHz */ + u8 rx_trace_loss_5[NUMBER_OF_SUB_BANDS_5]; + u8 tx_trace_loss_5[NUMBER_OF_SUB_BANDS_5]; + s8 rx_rssi_and_proc_compens_5[RSSI_AND_PROCESS_COMPENSATION_SIZE]; + + /* Dynamic radio parameters */ + /* 2.4GHz */ + s16 tx_ref_pd_voltage; + s8 tx_ref_power; + s8 tx_offset_db; + + s8 tx_rate_limits_normal[NUMBER_OF_RATE_GROUPS]; + s8 tx_rate_limits_degraded[NUMBER_OF_RATE_GROUPS]; + + s8 tx_channel_limits_11b[NUMBER_OF_CHANNELS_2_4]; + s8 tx_channel_limits_ofdm[NUMBER_OF_CHANNELS_2_4]; + s8 tx_pdv_rate_offsets[NUMBER_OF_RATE_GROUPS]; + + u8 tx_ibias[NUMBER_OF_RATE_GROUPS]; + u8 rx_fem_insertion_loss; + + u8 padding2; + + /* 5GHz */ + s16 tx_ref_pd_voltage_5[NUMBER_OF_SUB_BANDS_5]; + s8 tx_ref_power_5[NUMBER_OF_SUB_BANDS_5]; + s8 tx_offset_db_5[NUMBER_OF_SUB_BANDS_5]; + + s8 tx_rate_limits_normal_5[NUMBER_OF_RATE_GROUPS]; + s8 tx_rate_limits_degraded_5[NUMBER_OF_RATE_GROUPS]; + + s8 tx_channel_limits_ofdm_5[NUMBER_OF_CHANNELS_5]; + s8 tx_pdv_rate_offsets_5[NUMBER_OF_RATE_GROUPS]; + + /* FIXME: this is inconsistent with the types for 2.4GHz */ + s8 tx_ibias_5[NUMBER_OF_RATE_GROUPS]; + s8 rx_fem_insertion_loss_5[NUMBER_OF_SUB_BANDS_5]; + + u8 padding3[2]; +} __attribute__ ((packed)); + +#endif diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c new file mode 100644 index 000000000000..d9169b47ac42 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -0,0 +1,1394 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2008-2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/firmware.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/spi/spi.h> +#include <linux/crc32.h> +#include <linux/etherdevice.h> +#include <linux/spi/wl12xx.h> + +#include "wl1271.h" +#include "wl12xx_80211.h" +#include "wl1271_reg.h" +#include "wl1271_spi.h" +#include "wl1271_event.h" +#include "wl1271_tx.h" +#include "wl1271_rx.h" +#include "wl1271_ps.h" +#include "wl1271_init.h" +#include "wl1271_debugfs.h" +#include "wl1271_cmd.h" +#include "wl1271_boot.h" + +static int wl1271_plt_init(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_init_mem_config(wl); + if (ret < 0) + return ret; + + ret = wl1271_cmd_data_path(wl, wl->channel, 1); + if (ret < 0) + return ret; + + return 0; +} + +static void wl1271_disable_interrupts(struct wl1271 *wl) +{ + disable_irq(wl->irq); +} + +static void wl1271_power_off(struct wl1271 *wl) +{ + wl->set_power(false); +} + +static void wl1271_power_on(struct wl1271 *wl) +{ + wl->set_power(true); +} + +static void wl1271_fw_status(struct wl1271 *wl, struct wl1271_fw_status *status) +{ + u32 total = 0; + int i; + + /* + * FIXME: Reading the FW status directly from the registers seems to + * be the right thing to do, but it doesn't work. And in the + * reference driver, there is a workaround called + * USE_SDIO_24M_WORKAROUND, which reads the status from memory + * instead, so we do the same here. + */ + + wl1271_spi_mem_read(wl, STATUS_MEM_ADDRESS, status, sizeof(*status)); + + wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " + "drv_rx_counter = %d, tx_results_counter = %d)", + status->intr, + status->fw_rx_counter, + status->drv_rx_counter, + status->tx_results_counter); + + /* update number of available TX blocks */ + for (i = 0; i < NUM_TX_QUEUES; i++) { + u32 cnt = status->tx_released_blks[i] - wl->tx_blocks_freed[i]; + wl->tx_blocks_freed[i] = status->tx_released_blks[i]; + wl->tx_blocks_available += cnt; + total += cnt; + } + + /* if more blocks are available now, schedule some tx work */ + if (total && !skb_queue_empty(&wl->tx_queue)) + schedule_work(&wl->tx_work); + + /* update the host-chipset time offset */ + wl->time_offset = jiffies_to_usecs(jiffies) - status->fw_localtime; +} + +#define WL1271_IRQ_MAX_LOOPS 10 +static void wl1271_irq_work(struct work_struct *work) +{ + u32 intr, ctr = WL1271_IRQ_MAX_LOOPS; + int ret; + struct wl1271 *wl = + container_of(work, struct wl1271, irq_work); + + mutex_lock(&wl->mutex); + + wl1271_debug(DEBUG_IRQ, "IRQ work"); + + if (wl->state == WL1271_STATE_OFF) + goto out; + + ret = wl1271_ps_elp_wakeup(wl, true); + if (ret < 0) + goto out; + + wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); + + intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); + if (!intr) { + wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); + goto out_sleep; + } + + intr &= WL1271_INTR_MASK; + + do { + wl1271_fw_status(wl, wl->fw_status); + + + if (intr & (WL1271_ACX_INTR_EVENT_A | + WL1271_ACX_INTR_EVENT_B)) { + wl1271_debug(DEBUG_IRQ, + "WL1271_ACX_INTR_EVENT (0x%x)", intr); + if (intr & WL1271_ACX_INTR_EVENT_A) + wl1271_event_handle(wl, 0); + else + wl1271_event_handle(wl, 1); + } + + if (intr & WL1271_ACX_INTR_INIT_COMPLETE) + wl1271_debug(DEBUG_IRQ, + "WL1271_ACX_INTR_INIT_COMPLETE"); + + if (intr & WL1271_ACX_INTR_HW_AVAILABLE) + wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); + + if (intr & WL1271_ACX_INTR_DATA) { + u8 tx_res_cnt = wl->fw_status->tx_results_counter - + wl->tx_results_count; + + wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); + + /* check for tx results */ + if (tx_res_cnt) + wl1271_tx_complete(wl, tx_res_cnt); + + wl1271_rx(wl, wl->fw_status); + } + + intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); + intr &= WL1271_INTR_MASK; + } while (intr && --ctr); + +out_sleep: + wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, + WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); +} + +static irqreturn_t wl1271_irq(int irq, void *cookie) +{ + struct wl1271 *wl; + unsigned long flags; + + wl1271_debug(DEBUG_IRQ, "IRQ"); + + wl = cookie; + + /* complete the ELP completion */ + spin_lock_irqsave(&wl->wl_lock, flags); + if (wl->elp_compl) { + complete(wl->elp_compl); + wl->elp_compl = NULL; + } + + schedule_work(&wl->irq_work); + spin_unlock_irqrestore(&wl->wl_lock, flags); + + return IRQ_HANDLED; +} + +static int wl1271_fetch_firmware(struct wl1271 *wl) +{ + const struct firmware *fw; + int ret; + + ret = request_firmware(&fw, WL1271_FW_NAME, &wl->spi->dev); + + if (ret < 0) { + wl1271_error("could not get firmware: %d", ret); + return ret; + } + + if (fw->size % 4) { + wl1271_error("firmware size is not multiple of 32 bits: %zu", + fw->size); + ret = -EILSEQ; + goto out; + } + + wl->fw_len = fw->size; + wl->fw = kmalloc(wl->fw_len, GFP_KERNEL); + + if (!wl->fw) { + wl1271_error("could not allocate memory for the firmware"); + ret = -ENOMEM; + goto out; + } + + memcpy(wl->fw, fw->data, wl->fw_len); + + ret = 0; + +out: + release_firmware(fw); + + return ret; +} + +static int wl1271_fetch_nvs(struct wl1271 *wl) +{ + const struct firmware *fw; + int ret; + + ret = request_firmware(&fw, WL1271_NVS_NAME, &wl->spi->dev); + + if (ret < 0) { + wl1271_error("could not get nvs file: %d", ret); + return ret; + } + + if (fw->size % 4) { + wl1271_error("nvs size is not multiple of 32 bits: %zu", + fw->size); + ret = -EILSEQ; + goto out; + } + + wl->nvs_len = fw->size; + wl->nvs = kmalloc(wl->nvs_len, GFP_KERNEL); + + if (!wl->nvs) { + wl1271_error("could not allocate memory for the nvs file"); + ret = -ENOMEM; + goto out; + } + + memcpy(wl->nvs, fw->data, wl->nvs_len); + + ret = 0; + +out: + release_firmware(fw); + + return ret; +} + +static void wl1271_fw_wakeup(struct wl1271 *wl) +{ + u32 elp_reg; + + elp_reg = ELPCTRL_WAKE_UP; + wl1271_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); +} + +static int wl1271_setup(struct wl1271 *wl) +{ + wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); + if (!wl->fw_status) + return -ENOMEM; + + wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); + if (!wl->tx_res_if) { + kfree(wl->fw_status); + return -ENOMEM; + } + + INIT_WORK(&wl->irq_work, wl1271_irq_work); + INIT_WORK(&wl->tx_work, wl1271_tx_work); + return 0; +} + +static int wl1271_chip_wakeup(struct wl1271 *wl) +{ + int ret = 0; + + wl1271_power_on(wl); + msleep(WL1271_POWER_ON_SLEEP); + wl1271_spi_reset(wl); + wl1271_spi_init(wl); + + /* We don't need a real memory partition here, because we only want + * to use the registers at this point. */ + wl1271_set_partition(wl, + 0x00000000, + 0x00000000, + REGISTERS_BASE, + REGISTERS_DOWN_SIZE); + + /* ELP module wake up */ + wl1271_fw_wakeup(wl); + + /* whal_FwCtrl_BootSm() */ + + /* 0. read chip id from CHIP_ID */ + wl->chip.id = wl1271_reg_read32(wl, CHIP_ID_B); + + /* 1. check if chip id is valid */ + + switch (wl->chip.id) { + case CHIP_ID_1271_PG10: + wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", + wl->chip.id); + + ret = wl1271_setup(wl); + if (ret < 0) + goto out; + break; + case CHIP_ID_1271_PG20: + wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", + wl->chip.id); + + ret = wl1271_setup(wl); + if (ret < 0) + goto out; + break; + default: + wl1271_error("unsupported chip id: 0x%x", wl->chip.id); + ret = -ENODEV; + goto out; + } + + if (wl->fw == NULL) { + ret = wl1271_fetch_firmware(wl); + if (ret < 0) + goto out; + } + + /* No NVS from netlink, try to get it from the filesystem */ + if (wl->nvs == NULL) { + ret = wl1271_fetch_nvs(wl); + if (ret < 0) + goto out; + } + +out: + return ret; +} + +static void wl1271_filter_work(struct work_struct *work) +{ + struct wl1271 *wl = + container_of(work, struct wl1271, filter_work); + int ret; + + mutex_lock(&wl->mutex); + + if (wl->state == WL1271_STATE_OFF) + goto out; + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + + /* FIXME: replace the magic numbers with proper definitions */ + ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0); + if (ret < 0) + goto out_sleep; + +out_sleep: + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); +} + +int wl1271_plt_start(struct wl1271 *wl) +{ + int ret; + + mutex_lock(&wl->mutex); + + wl1271_notice("power up"); + + if (wl->state != WL1271_STATE_OFF) { + wl1271_error("cannot go into PLT state because not " + "in off state: %d", wl->state); + ret = -EBUSY; + goto out; + } + + wl->state = WL1271_STATE_PLT; + + ret = wl1271_chip_wakeup(wl); + if (ret < 0) + goto out; + + ret = wl1271_boot(wl); + if (ret < 0) + goto out; + + wl1271_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver); + + ret = wl1271_plt_init(wl); + if (ret < 0) + goto out; + +out: + mutex_unlock(&wl->mutex); + + return ret; +} + +int wl1271_plt_stop(struct wl1271 *wl) +{ + int ret = 0; + + mutex_lock(&wl->mutex); + + wl1271_notice("power down"); + + if (wl->state != WL1271_STATE_PLT) { + wl1271_error("cannot power down because not in PLT " + "state: %d", wl->state); + ret = -EBUSY; + goto out; + } + + wl1271_disable_interrupts(wl); + wl1271_power_off(wl); + + wl->state = WL1271_STATE_OFF; + +out: + mutex_unlock(&wl->mutex); + + return ret; +} + + +static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) +{ + struct wl1271 *wl = hw->priv; + + skb_queue_tail(&wl->tx_queue, skb); + + /* + * The chip specific setup must run before the first TX packet - + * before that, the tx_work will not be initialized! + */ + + schedule_work(&wl->tx_work); + + /* + * The workqueue is slow to process the tx_queue and we need stop + * the queue here, otherwise the queue will get too long. + */ + if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_MAX_LENGTH) { + ieee80211_stop_queues(wl->hw); + + /* + * FIXME: this is racy, the variable is not properly + * protected. Maybe fix this by removing the stupid + * variable altogether and checking the real queue state? + */ + wl->tx_queue_stopped = true; + } + + return NETDEV_TX_OK; +} + +static int wl1271_op_start(struct ieee80211_hw *hw) +{ + struct wl1271 *wl = hw->priv; + int ret = 0; + + wl1271_debug(DEBUG_MAC80211, "mac80211 start"); + + mutex_lock(&wl->mutex); + + if (wl->state != WL1271_STATE_OFF) { + wl1271_error("cannot start because not in off state: %d", + wl->state); + ret = -EBUSY; + goto out; + } + + ret = wl1271_chip_wakeup(wl); + if (ret < 0) + goto out; + + ret = wl1271_boot(wl); + if (ret < 0) + goto out; + + ret = wl1271_hw_init(wl); + if (ret < 0) + goto out; + + wl->state = WL1271_STATE_ON; + + wl1271_info("firmware booted (%s)", wl->chip.fw_ver); + +out: + if (ret < 0) + wl1271_power_off(wl); + + mutex_unlock(&wl->mutex); + + return ret; +} + +static void wl1271_op_stop(struct ieee80211_hw *hw) +{ + struct wl1271 *wl = hw->priv; + int i; + + wl1271_info("down"); + + wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); + + mutex_lock(&wl->mutex); + + WARN_ON(wl->state != WL1271_STATE_ON); + + if (wl->scanning) { + mutex_unlock(&wl->mutex); + ieee80211_scan_completed(wl->hw, true); + mutex_lock(&wl->mutex); + wl->scanning = false; + } + + wl->state = WL1271_STATE_OFF; + + wl1271_disable_interrupts(wl); + + mutex_unlock(&wl->mutex); + + cancel_work_sync(&wl->irq_work); + cancel_work_sync(&wl->tx_work); + cancel_work_sync(&wl->filter_work); + + mutex_lock(&wl->mutex); + + /* let's notify MAC80211 about the remaining pending TX frames */ + wl1271_tx_flush(wl); + wl1271_power_off(wl); + + memset(wl->bssid, 0, ETH_ALEN); + memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); + wl->ssid_len = 0; + wl->listen_int = 1; + wl->bss_type = MAX_BSS_TYPE; + + wl->rx_counter = 0; + wl->elp = false; + wl->psm = 0; + wl->tx_queue_stopped = false; + wl->power_level = WL1271_DEFAULT_POWER_LEVEL; + wl->tx_blocks_available = 0; + wl->tx_results_count = 0; + wl->tx_packets_count = 0; + wl->time_offset = 0; + wl->session_counter = 0; + for (i = 0; i < NUM_TX_QUEUES; i++) + wl->tx_blocks_freed[i] = 0; + + wl1271_debugfs_reset(wl); + mutex_unlock(&wl->mutex); +} + +static int wl1271_op_add_interface(struct ieee80211_hw *hw, + struct ieee80211_if_init_conf *conf) +{ + struct wl1271 *wl = hw->priv; + int ret = 0; + + wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", + conf->type, conf->mac_addr); + + mutex_lock(&wl->mutex); + + switch (conf->type) { + case NL80211_IFTYPE_STATION: + wl->bss_type = BSS_TYPE_STA_BSS; + break; + case NL80211_IFTYPE_ADHOC: + wl->bss_type = BSS_TYPE_IBSS; + break; + default: + ret = -EOPNOTSUPP; + goto out; + } + + /* FIXME: what if conf->mac_addr changes? */ + +out: + mutex_unlock(&wl->mutex); + return ret; +} + +static void wl1271_op_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_if_init_conf *conf) +{ + wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); +} + +#if 0 +static int wl1271_op_config_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_if_conf *conf) +{ + struct wl1271 *wl = hw->priv; + struct sk_buff *beacon; + DECLARE_MAC_BUF(mac); + int ret; + + wl1271_debug(DEBUG_MAC80211, "mac80211 config_interface bssid %s", + print_mac(mac, conf->bssid)); + wl1271_dump_ascii(DEBUG_MAC80211, "ssid: ", conf->ssid, + conf->ssid_len); + + mutex_lock(&wl->mutex); + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + + memcpy(wl->bssid, conf->bssid, ETH_ALEN); + + ret = wl1271_cmd_build_null_data(wl); + if (ret < 0) + goto out_sleep; + + wl->ssid_len = conf->ssid_len; + if (wl->ssid_len) + memcpy(wl->ssid, conf->ssid, wl->ssid_len); + + if (wl->bss_type != BSS_TYPE_IBSS) { + /* FIXME: replace the magic numbers with proper definitions */ + ret = wl1271_cmd_join(wl, wl->bss_type, 5, 100, 1); + if (ret < 0) + goto out_sleep; + } + + if (conf->changed & IEEE80211_IFCC_BEACON) { + beacon = ieee80211_beacon_get(hw, vif); + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, + beacon->data, beacon->len); + + if (ret < 0) { + dev_kfree_skb(beacon); + goto out_sleep; + } + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, + beacon->data, beacon->len); + + dev_kfree_skb(beacon); + + if (ret < 0) + goto out_sleep; + + /* FIXME: replace the magic numbers with proper definitions */ + ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0); + + if (ret < 0) + goto out_sleep; + } + +out_sleep: + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); + + return ret; +} +#endif + +static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) +{ + struct wl1271 *wl = hw->priv; + struct ieee80211_conf *conf = &hw->conf; + int channel, ret = 0; + + channel = ieee80211_frequency_to_channel(conf->channel->center_freq); + + wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", + channel, + conf->flags & IEEE80211_CONF_PS ? "on" : "off", + conf->power_level); + + mutex_lock(&wl->mutex); + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + + if (channel != wl->channel) { + u8 old_channel = wl->channel; + wl->channel = channel; + + /* FIXME: use beacon interval provided by mac80211 */ + ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0); + if (ret < 0) { + wl->channel = old_channel; + goto out_sleep; + } + } + + ret = wl1271_cmd_build_null_data(wl); + if (ret < 0) + goto out_sleep; + + if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { + wl1271_info("psm enabled"); + + wl->psm_requested = true; + + /* + * We enter PSM only if we're already associated. + * If we're not, we'll enter it when joining an SSID, + * through the bss_info_changed() hook. + */ + ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE); + } else if (!(conf->flags & IEEE80211_CONF_PS) && + wl->psm_requested) { + wl1271_info("psm disabled"); + + wl->psm_requested = false; + + if (wl->psm) + ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE); + } + + if (conf->power_level != wl->power_level) { + ret = wl1271_acx_tx_power(wl, conf->power_level); + if (ret < 0) + goto out; + + wl->power_level = conf->power_level; + } + +out_sleep: + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); + + return ret; +} + +#define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ + FIF_ALLMULTI | \ + FIF_FCSFAIL | \ + FIF_BCN_PRBRESP_PROMISC | \ + FIF_CONTROL | \ + FIF_OTHER_BSS) + +static void wl1271_op_configure_filter(struct ieee80211_hw *hw, + unsigned int changed, + unsigned int *total,u64 multicast) +{ + struct wl1271 *wl = hw->priv; + + wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter"); + + *total &= WL1271_SUPPORTED_FILTERS; + changed &= WL1271_SUPPORTED_FILTERS; + + if (changed == 0) + return; + + /* FIXME: wl->rx_config and wl->rx_filter are not protected */ + wl->rx_config = WL1271_DEFAULT_RX_CONFIG; + wl->rx_filter = WL1271_DEFAULT_RX_FILTER; + + /* + * FIXME: workqueues need to be properly cancelled on stop(), for + * now let's just disable changing the filter settings. They will + * be updated any on config(). + */ + /* schedule_work(&wl->filter_work); */ +} + +static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key_conf) +{ + struct wl1271 *wl = hw->priv; + const u8 *addr; + int ret; + u8 key_type; + + static const u8 bcast_addr[ETH_ALEN] = + { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; + + wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); + + addr = sta ? sta->addr : bcast_addr; + + wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); + wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); + wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", + key_conf->alg, key_conf->keyidx, + key_conf->keylen, key_conf->flags); + wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); + + if (is_zero_ether_addr(addr)) { + /* We dont support TX only encryption */ + ret = -EOPNOTSUPP; + goto out; + } + + mutex_lock(&wl->mutex); + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out_unlock; + + switch (key_conf->alg) { + case ALG_WEP: + key_type = KEY_WEP; + + key_conf->hw_key_idx = key_conf->keyidx; + break; + case ALG_TKIP: + key_type = KEY_TKIP; + + key_conf->hw_key_idx = key_conf->keyidx; + break; + case ALG_CCMP: + key_type = KEY_AES; + + key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; + break; + default: + wl1271_error("Unknown key algo 0x%x", key_conf->alg); + + ret = -EOPNOTSUPP; + goto out_sleep; + } + + switch (cmd) { + case SET_KEY: + ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE, + key_conf->keyidx, key_type, + key_conf->keylen, key_conf->key, + addr); + if (ret < 0) { + wl1271_error("Could not add or replace key"); + goto out_sleep; + } + break; + + case DISABLE_KEY: + ret = wl1271_cmd_set_key(wl, KEY_REMOVE, + key_conf->keyidx, key_type, + key_conf->keylen, key_conf->key, + addr); + if (ret < 0) { + wl1271_error("Could not remove key"); + goto out_sleep; + } + break; + + default: + wl1271_error("Unsupported key cmd 0x%x", cmd); + ret = -EOPNOTSUPP; + goto out_sleep; + + break; + } + +out_sleep: + wl1271_ps_elp_sleep(wl); + +out_unlock: + mutex_unlock(&wl->mutex); + +out: + return ret; +} + +static int wl1271_op_hw_scan(struct ieee80211_hw *hw, + struct cfg80211_scan_request *req) +{ + struct wl1271 *wl = hw->priv; + int ret; + u8 *ssid = NULL; + size_t ssid_len = 0; + + wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); + + if (req->n_ssids) { + ssid = req->ssids[0].ssid; + ssid_len = req->ssids[0].ssid_len; + } + + mutex_lock(&wl->mutex); + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + + ret = wl1271_cmd_scan(hw->priv, ssid, ssid_len, 1, 0, 13, 3); + + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); + + return ret; +} + +static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) +{ + struct wl1271 *wl = hw->priv; + int ret; + + mutex_lock(&wl->mutex); + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + + ret = wl1271_acx_rts_threshold(wl, (u16) value); + if (ret < 0) + wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); + + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); + + return ret; +} + +static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf, + u32 changed) +{ + enum wl1271_cmd_ps_mode mode; + struct wl1271 *wl = hw->priv; + int ret; + + wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); + + mutex_lock(&wl->mutex); + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + + if (changed & BSS_CHANGED_ASSOC) { + if (bss_conf->assoc) { + wl->aid = bss_conf->aid; + + ret = wl1271_cmd_build_ps_poll(wl, wl->aid); + if (ret < 0) + goto out_sleep; + + ret = wl1271_acx_aid(wl, wl->aid); + if (ret < 0) + goto out_sleep; + + /* If we want to go in PSM but we're not there yet */ + if (wl->psm_requested && !wl->psm) { + mode = STATION_POWER_SAVE_MODE; + ret = wl1271_ps_set_mode(wl, mode); + if (ret < 0) + goto out_sleep; + } + } + } + if (changed & BSS_CHANGED_ERP_SLOT) { + if (bss_conf->use_short_slot) + ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); + else + ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); + if (ret < 0) { + wl1271_warning("Set slot time failed %d", ret); + goto out_sleep; + } + } + + if (changed & BSS_CHANGED_ERP_PREAMBLE) { + if (bss_conf->use_short_preamble) + wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); + else + wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); + } + + if (changed & BSS_CHANGED_ERP_CTS_PROT) { + if (bss_conf->use_cts_prot) + ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); + else + ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); + if (ret < 0) { + wl1271_warning("Set ctsprotect failed %d", ret); + goto out_sleep; + } + } + +out_sleep: + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); +} + + +/* can't be const, mac80211 writes to this */ +static struct ieee80211_rate wl1271_rates[] = { + { .bitrate = 10, + .hw_value = 0x1, + .hw_value_short = 0x1, }, + { .bitrate = 20, + .hw_value = 0x2, + .hw_value_short = 0x2, + .flags = IEEE80211_RATE_SHORT_PREAMBLE }, + { .bitrate = 55, + .hw_value = 0x4, + .hw_value_short = 0x4, + .flags = IEEE80211_RATE_SHORT_PREAMBLE }, + { .bitrate = 110, + .hw_value = 0x20, + .hw_value_short = 0x20, + .flags = IEEE80211_RATE_SHORT_PREAMBLE }, + { .bitrate = 60, + .hw_value = 0x8, + .hw_value_short = 0x8, }, + { .bitrate = 90, + .hw_value = 0x10, + .hw_value_short = 0x10, }, + { .bitrate = 120, + .hw_value = 0x40, + .hw_value_short = 0x40, }, + { .bitrate = 180, + .hw_value = 0x80, + .hw_value_short = 0x80, }, + { .bitrate = 240, + .hw_value = 0x200, + .hw_value_short = 0x200, }, + { .bitrate = 360, + .hw_value = 0x400, + .hw_value_short = 0x400, }, + { .bitrate = 480, + .hw_value = 0x800, + .hw_value_short = 0x800, }, + { .bitrate = 540, + .hw_value = 0x1000, + .hw_value_short = 0x1000, }, +}; + +/* can't be const, mac80211 writes to this */ +static struct ieee80211_channel wl1271_channels[] = { + { .hw_value = 1, .center_freq = 2412}, + { .hw_value = 2, .center_freq = 2417}, + { .hw_value = 3, .center_freq = 2422}, + { .hw_value = 4, .center_freq = 2427}, + { .hw_value = 5, .center_freq = 2432}, + { .hw_value = 6, .center_freq = 2437}, + { .hw_value = 7, .center_freq = 2442}, + { .hw_value = 8, .center_freq = 2447}, + { .hw_value = 9, .center_freq = 2452}, + { .hw_value = 10, .center_freq = 2457}, + { .hw_value = 11, .center_freq = 2462}, + { .hw_value = 12, .center_freq = 2467}, + { .hw_value = 13, .center_freq = 2472}, +}; + +/* can't be const, mac80211 writes to this */ +static struct ieee80211_supported_band wl1271_band_2ghz = { + .channels = wl1271_channels, + .n_channels = ARRAY_SIZE(wl1271_channels), + .bitrates = wl1271_rates, + .n_bitrates = ARRAY_SIZE(wl1271_rates), +}; + +static const struct ieee80211_ops wl1271_ops = { + .start = wl1271_op_start, + .stop = wl1271_op_stop, + .add_interface = wl1271_op_add_interface, + .remove_interface = wl1271_op_remove_interface, + .config = wl1271_op_config, +/* .config_interface = wl1271_op_config_interface, */ + .configure_filter = wl1271_op_configure_filter, + .tx = wl1271_op_tx, + .set_key = wl1271_op_set_key, + .hw_scan = wl1271_op_hw_scan, + .bss_info_changed = wl1271_op_bss_info_changed, + .set_rts_threshold = wl1271_op_set_rts_threshold, +}; + +static int wl1271_register_hw(struct wl1271 *wl) +{ + int ret; + + if (wl->mac80211_registered) + return 0; + + SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); + + ret = ieee80211_register_hw(wl->hw); + if (ret < 0) { + wl1271_error("unable to register mac80211 hw: %d", ret); + return ret; + } + + wl->mac80211_registered = true; + + wl1271_notice("loaded"); + + return 0; +} + +static int wl1271_init_ieee80211(struct wl1271 *wl) +{ + /* + * The tx descriptor buffer and the TKIP space. + * + * FIXME: add correct 1271 descriptor size + */ + wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE; + + /* unit us */ + /* FIXME: find a proper value */ + wl->hw->channel_change_time = 10000; + + wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_NOISE_DBM; + + wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); + wl->hw->wiphy->max_scan_ssids = 1; + wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz; + + SET_IEEE80211_DEV(wl->hw, &wl->spi->dev); + + return 0; +} + +static void wl1271_device_release(struct device *dev) +{ + +} + +static struct platform_device wl1271_device = { + .name = "wl1271", + .id = -1, + + /* device model insists to have a release function */ + .dev = { + .release = wl1271_device_release, + }, +}; + +#define WL1271_DEFAULT_CHANNEL 0 +static int __devinit wl1271_probe(struct spi_device *spi) +{ + struct wl12xx_platform_data *pdata; + struct ieee80211_hw *hw; + struct wl1271 *wl; + int ret, i; + static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; + + pdata = spi->dev.platform_data; + if (!pdata) { + wl1271_error("no platform data"); + return -ENODEV; + } + + hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); + if (!hw) { + wl1271_error("could not alloc ieee80211_hw"); + return -ENOMEM; + } + + wl = hw->priv; + memset(wl, 0, sizeof(*wl)); + + wl->hw = hw; + dev_set_drvdata(&spi->dev, wl); + wl->spi = spi; + + skb_queue_head_init(&wl->tx_queue); + + INIT_WORK(&wl->filter_work, wl1271_filter_work); + wl->channel = WL1271_DEFAULT_CHANNEL; + wl->scanning = false; + wl->default_key = 0; + wl->listen_int = 1; + wl->rx_counter = 0; + wl->rx_config = WL1271_DEFAULT_RX_CONFIG; + wl->rx_filter = WL1271_DEFAULT_RX_FILTER; + wl->elp = false; + wl->psm = 0; + wl->psm_requested = false; + wl->tx_queue_stopped = false; + wl->power_level = WL1271_DEFAULT_POWER_LEVEL; + + /* We use the default power on sleep time until we know which chip + * we're using */ + for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) + wl->tx_frames[i] = NULL; + + spin_lock_init(&wl->wl_lock); + + /* + * In case our MAC address is not correctly set, + * we use a random but Nokia MAC. + */ + memcpy(wl->mac_addr, nokia_oui, 3); + get_random_bytes(wl->mac_addr + 3, 3); + + wl->state = WL1271_STATE_OFF; + mutex_init(&wl->mutex); + + wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); + if (!wl->rx_descriptor) { + wl1271_error("could not allocate memory for rx descriptor"); + ret = -ENOMEM; + goto out_free; + } + + /* This is the only SPI value that we need to set here, the rest + * comes from the board-peripherals file */ + spi->bits_per_word = 32; + + ret = spi_setup(spi); + if (ret < 0) { + wl1271_error("spi_setup failed"); + goto out_free; + } + + wl->set_power = pdata->set_power; + if (!wl->set_power) { + wl1271_error("set power function missing in platform data"); + ret = -ENODEV; + goto out_free; + } + + wl->irq = spi->irq; + if (wl->irq < 0) { + wl1271_error("irq missing in platform data"); + ret = -ENODEV; + goto out_free; + } + + ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl); + if (ret < 0) { + wl1271_error("request_irq() failed: %d", ret); + goto out_free; + } + + set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); + + disable_irq(wl->irq); + + ret = platform_device_register(&wl1271_device); + if (ret) { + wl1271_error("couldn't register platform device"); + goto out_irq; + } + dev_set_drvdata(&wl1271_device.dev, wl); + + ret = wl1271_init_ieee80211(wl); + if (ret) + goto out_platform; + + ret = wl1271_register_hw(wl); + if (ret) + goto out_platform; + + wl1271_debugfs_init(wl); + + wl1271_notice("initialized"); + + return 0; + + out_platform: + platform_device_unregister(&wl1271_device); + + out_irq: + free_irq(wl->irq, wl); + + out_free: + kfree(wl->rx_descriptor); + wl->rx_descriptor = NULL; + + ieee80211_free_hw(hw); + + return ret; +} + +static int __devexit wl1271_remove(struct spi_device *spi) +{ + struct wl1271 *wl = dev_get_drvdata(&spi->dev); + + ieee80211_unregister_hw(wl->hw); + + wl1271_debugfs_exit(wl); + platform_device_unregister(&wl1271_device); + free_irq(wl->irq, wl); + kfree(wl->target_mem_map); + kfree(wl->fw); + wl->fw = NULL; + kfree(wl->nvs); + wl->nvs = NULL; + + kfree(wl->rx_descriptor); + wl->rx_descriptor = NULL; + + kfree(wl->fw_status); + kfree(wl->tx_res_if); + + ieee80211_free_hw(wl->hw); + + return 0; +} + + +static struct spi_driver wl1271_spi_driver = { + .driver = { + .name = "wl1271", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + + .probe = wl1271_probe, + .remove = __devexit_p(wl1271_remove), +}; + +static int __init wl1271_init(void) +{ + int ret; + + ret = spi_register_driver(&wl1271_spi_driver); + if (ret < 0) { + wl1271_error("failed to register spi driver: %d", ret); + goto out; + } + +out: + return ret; +} + +static void __exit wl1271_exit(void) +{ + spi_unregister_driver(&wl1271_spi_driver); + + wl1271_notice("unloaded"); +} + +module_init(wl1271_init); +module_exit(wl1271_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.c b/drivers/net/wireless/wl12xx/wl1271_ps.c new file mode 100644 index 000000000000..1dc74b0c7736 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_ps.c @@ -0,0 +1,142 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2008-2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "wl1271_reg.h" +#include "wl1271_ps.h" +#include "wl1271_spi.h" + +#define WL1271_WAKEUP_TIMEOUT 500 + +/* Routines to toggle sleep mode while in ELP */ +void wl1271_ps_elp_sleep(struct wl1271 *wl) +{ + /* + * FIXME: due to a problem in the firmware (causing a firmware + * crash), ELP entry is prevented below. Remove the "true" to + * re-enable ELP entry. + */ + if (true || wl->elp || !wl->psm) + return; + + /* + * Go to ELP unless there is work already pending - pending work + * will immediately wakeup the chipset anyway. + */ + if (!work_pending(&wl->irq_work) && !work_pending(&wl->tx_work)) { + wl1271_debug(DEBUG_PSM, "chip to elp"); + wl1271_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP); + wl->elp = true; + } +} + +int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake) +{ + DECLARE_COMPLETION_ONSTACK(compl); + unsigned long flags; + int ret; + u32 start_time = jiffies; + bool pending = false; + + if (!wl->elp) + return 0; + + wl1271_debug(DEBUG_PSM, "waking up chip from elp"); + + /* + * The spinlock is required here to synchronize both the work and + * the completion variable in one entity. + */ + spin_lock_irqsave(&wl->wl_lock, flags); + if (work_pending(&wl->irq_work) || chip_awake) + pending = true; + else + wl->elp_compl = &compl; + spin_unlock_irqrestore(&wl->wl_lock, flags); + + wl1271_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP); + + if (!pending) { + ret = wait_for_completion_timeout( + &compl, msecs_to_jiffies(WL1271_WAKEUP_TIMEOUT)); + if (ret == 0) { + wl1271_error("ELP wakeup timeout!"); + ret = -ETIMEDOUT; + goto err; + } else if (ret < 0) { + wl1271_error("ELP wakeup completion error."); + goto err; + } + } + + wl->elp = false; + + wl1271_debug(DEBUG_PSM, "wakeup time: %u ms", + jiffies_to_msecs(jiffies - start_time)); + goto out; + +err: + spin_lock_irqsave(&wl->wl_lock, flags); + wl->elp_compl = NULL; + spin_unlock_irqrestore(&wl->wl_lock, flags); + return ret; + +out: + return 0; +} + +int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode) +{ + int ret; + + switch (mode) { + case STATION_POWER_SAVE_MODE: + wl1271_debug(DEBUG_PSM, "entering psm"); + ret = wl1271_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE); + if (ret < 0) + return ret; + + wl1271_ps_elp_sleep(wl); + if (ret < 0) + return ret; + + wl->psm = 1; + break; + case STATION_ACTIVE_MODE: + default: + wl1271_debug(DEBUG_PSM, "leaving psm"); + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + return ret; + + ret = wl1271_cmd_ps_mode(wl, STATION_ACTIVE_MODE); + if (ret < 0) + return ret; + + wl->psm = 0; + break; + } + + return ret; +} + + diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.h b/drivers/net/wireless/wl12xx/wl1271_ps.h new file mode 100644 index 000000000000..de2bd3c7dc9c --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_ps.h @@ -0,0 +1,35 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2008-2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1271_PS_H__ +#define __WL1271_PS_H__ + +#include "wl1271.h" +#include "wl1271_acx.h" + +int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode); +void wl1271_ps_elp_sleep(struct wl1271 *wl); +int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake); + + +#endif /* __WL1271_PS_H__ */ diff --git a/drivers/net/wireless/wl12xx/reg.h b/drivers/net/wireless/wl12xx/wl1271_reg.h index e421643215cd..f8ed4a4fc691 100644 --- a/drivers/net/wireless/wl12xx/reg.h +++ b/drivers/net/wireless/wl12xx/wl1271_reg.h @@ -1,10 +1,10 @@ /* * This file is part of wl12xx * - * Copyright (c) 1998-2007 Texas Instruments Incorporated - * Copyright (C) 2008 Nokia Corporation + * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. + * Copyright (C) 2009 Nokia Corporation * - * Contact: Kalle Valo <kalle.valo@nokia.com> + * Contact: Luciano Coelho <luciano.coelho@nokia.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -26,7 +26,6 @@ #define __REG_H__ #include <linux/bitops.h> -#include "wl12xx.h" #define REGISTERS_BASE 0x00300000 #define DRPW_BASE 0x00310000 @@ -35,6 +34,7 @@ #define REGISTERS_WORK_SIZE 0x0000b000 #define HW_ACCESS_ELP_CTRL_REG_ADDR 0x1FFFC +#define STATUS_MEM_ADDRESS 0x40400 /* ELP register commands */ #define ELPCTRL_WAKE_UP 0x1 @@ -43,6 +43,25 @@ /* ELP WLAN_READY bit */ #define ELPCTRL_WLAN_READY 0x2 +/*=============================================== + Host Software Reset - 32bit RW + ------------------------------------------ + [31:1] Reserved + 0 SOFT_RESET Soft Reset - When this bit is set, + it holds the Wlan hardware in a soft reset state. + This reset disables all MAC and baseband processor + clocks except the CardBus/PCI interface clock. + It also initializes all MAC state machines except + the host interface. It does not reload the + contents of the EEPROM. When this bit is cleared + (not self-clearing), the Wlan hardware + exits the software reset state. +===============================================*/ +#define ACX_REG_SLV_SOFT_RESET (REGISTERS_BASE + 0x0000) + +#define WL1271_SLV_REG_DATA (REGISTERS_BASE + 0x0008) +#define WL1271_SLV_REG_ADATA (REGISTERS_BASE + 0x000c) +#define WL1271_SLV_MEM_DATA (REGISTERS_BASE + 0x0018) /* * Interrupt registers. * 64 bit interrupt sources registers ws ced. @@ -96,6 +115,9 @@ #define HOST_MASK_CLR_L (REGISTERS_BASE + 0x0440) #define HOST_MASK_CLR_H (REGISTERS_BASE + 0x0444) +#define ACX_REG_INTERRUPT_TRIG (REGISTERS_BASE + 0x0474) +#define ACX_REG_INTERRUPT_TRIG_H (REGISTERS_BASE + 0x0478) + /* Host Interrupts*/ #define HINT_MASK (REGISTERS_BASE + 0x0494) #define HINT_MASK_SET (REGISTERS_BASE + 0x0498) @@ -107,67 +129,6 @@ #define HINT_ACK (REGISTERS_BASE + 0x04A8) #define HINT_TRIG (REGISTERS_BASE + 0x04AC) -/* Device Configuration registers*/ -#define SOR_CFG (REGISTERS_BASE + 0x0800) -#define ECPU_CTRL (REGISTERS_BASE + 0x0804) -#define HI_CFG (REGISTERS_BASE + 0x0808) -#define EE_START (REGISTERS_BASE + 0x080C) - -#define CHIP_ID_B (REGISTERS_BASE + 0x5674) - -#define CHIP_ID_1251_PG10 (0x7010101) -#define CHIP_ID_1251_PG11 (0x7020101) -#define CHIP_ID_1251_PG12 (0x7030101) - -#define ENABLE (REGISTERS_BASE + 0x5450) - -/* Power Management registers */ -#define ELP_CFG_MODE (REGISTERS_BASE + 0x5804) -#define ELP_CMD (REGISTERS_BASE + 0x5808) -#define PLL_CAL_TIME (REGISTERS_BASE + 0x5810) -#define CLK_REQ_TIME (REGISTERS_BASE + 0x5814) -#define CLK_BUF_TIME (REGISTERS_BASE + 0x5818) - -#define CFG_PLL_SYNC_CNT (REGISTERS_BASE + 0x5820) - -/* Scratch Pad registers*/ -#define SCR_PAD0 (REGISTERS_BASE + 0x5608) -#define SCR_PAD1 (REGISTERS_BASE + 0x560C) -#define SCR_PAD2 (REGISTERS_BASE + 0x5610) -#define SCR_PAD3 (REGISTERS_BASE + 0x5614) -#define SCR_PAD4 (REGISTERS_BASE + 0x5618) -#define SCR_PAD4_SET (REGISTERS_BASE + 0x561C) -#define SCR_PAD4_CLR (REGISTERS_BASE + 0x5620) -#define SCR_PAD5 (REGISTERS_BASE + 0x5624) -#define SCR_PAD5_SET (REGISTERS_BASE + 0x5628) -#define SCR_PAD5_CLR (REGISTERS_BASE + 0x562C) -#define SCR_PAD6 (REGISTERS_BASE + 0x5630) -#define SCR_PAD7 (REGISTERS_BASE + 0x5634) -#define SCR_PAD8 (REGISTERS_BASE + 0x5638) -#define SCR_PAD9 (REGISTERS_BASE + 0x563C) - -/* Spare registers*/ -#define SPARE_A1 (REGISTERS_BASE + 0x0994) -#define SPARE_A2 (REGISTERS_BASE + 0x0998) -#define SPARE_A3 (REGISTERS_BASE + 0x099C) -#define SPARE_A4 (REGISTERS_BASE + 0x09A0) -#define SPARE_A5 (REGISTERS_BASE + 0x09A4) -#define SPARE_A6 (REGISTERS_BASE + 0x09A8) -#define SPARE_A7 (REGISTERS_BASE + 0x09AC) -#define SPARE_A8 (REGISTERS_BASE + 0x09B0) -#define SPARE_B1 (REGISTERS_BASE + 0x5420) -#define SPARE_B2 (REGISTERS_BASE + 0x5424) -#define SPARE_B3 (REGISTERS_BASE + 0x5428) -#define SPARE_B4 (REGISTERS_BASE + 0x542C) -#define SPARE_B5 (REGISTERS_BASE + 0x5430) -#define SPARE_B6 (REGISTERS_BASE + 0x5434) -#define SPARE_B7 (REGISTERS_BASE + 0x5438) -#define SPARE_B8 (REGISTERS_BASE + 0x543C) - -enum wl12xx_acx_int_reg { - ACX_REG_INTERRUPT_TRIG, - ACX_REG_INTERRUPT_TRIG_H, - /*============================================= Host Interrupt Mask Register - 32bit (RW) ------------------------------------------ @@ -196,7 +157,7 @@ enum wl12xx_acx_int_reg { 21- - Default: 0x0001 *==============================================*/ - ACX_REG_INTERRUPT_MASK, +#define ACX_REG_INTERRUPT_MASK (REGISTERS_BASE + 0x04DC) /*============================================= Host Interrupt Mask Set 16bit, (Write only) @@ -206,7 +167,7 @@ enum wl12xx_acx_int_reg { without effecting the mask state of other bits (0 = no effect). ==============================================*/ - ACX_REG_HINT_MASK_SET, +#define ACX_REG_HINT_MASK_SET (REGISTERS_BASE + 0x04E0) /*============================================= Host Interrupt Mask Clear 16bit,(Write only) @@ -216,7 +177,7 @@ enum wl12xx_acx_int_reg { without effecting the mask state of other bits (0 = no effect). =============================================*/ - ACX_REG_HINT_MASK_CLR, +#define ACX_REG_HINT_MASK_CLR (REGISTERS_BASE + 0x04E4) /*============================================= Host Interrupt Status Nondestructive Read @@ -227,7 +188,7 @@ enum wl12xx_acx_int_reg { Reading this register doesn't effect its content. =============================================*/ - ACX_REG_INTERRUPT_NO_CLEAR, +#define ACX_REG_INTERRUPT_NO_CLEAR (REGISTERS_BASE + 0x04E8) /*============================================= Host Interrupt Status Clear on Read Register @@ -238,7 +199,7 @@ enum wl12xx_acx_int_reg { Reading this register clears it, thus making all interrupts inactive. ==============================================*/ - ACX_REG_INTERRUPT_CLEAR, +#define ACX_REG_INTERRUPT_CLEAR (REGISTERS_BASE + 0x04F8) /*============================================= Host Interrupt Acknowledge Register @@ -250,40 +211,13 @@ enum wl12xx_acx_int_reg { HINT_STS_ND registers, thus making the assotiated interrupt inactive. (0-no effect) ==============================================*/ - ACX_REG_INTERRUPT_ACK, +#define ACX_REG_INTERRUPT_ACK (REGISTERS_BASE + 0x04F0) -/*=============================================== - Host Software Reset - 32bit RW - ------------------------------------------ - [31:1] Reserved - 0 SOFT_RESET Soft Reset - When this bit is set, - it holds the Wlan hardware in a soft reset state. - This reset disables all MAC and baseband processor - clocks except the CardBus/PCI interface clock. - It also initializes all MAC state machines except - the host interface. It does not reload the - contents of the EEPROM. When this bit is cleared - (not self-clearing), the Wlan hardware - exits the software reset state. -===============================================*/ - ACX_REG_SLV_SOFT_RESET, - -/*=============================================== - EEPROM Burst Read Start - 32bit RW - ------------------------------------------ - [31:1] Reserved - 0 ACX_EE_START - EEPROM Burst Read Start 0 - Setting this bit starts a burst read from - the external EEPROM. - If this bit is set (after reset) before an EEPROM read/write, - the burst read starts at EEPROM address 0. - Otherwise, it starts at the address - following the address of the previous access. - TheWlan hardware hardware clears this bit automatically. +#define RX_DRIVER_DUMMY_WRITE_ADDRESS (REGISTERS_BASE + 0x0534) +#define RX_DRIVER_COUNTER_ADDRESS (REGISTERS_BASE + 0x0538) - Default: 0x00000000 -*================================================*/ - ACX_REG_EE_START, +/* Device Configuration registers*/ +#define SOR_CFG (REGISTERS_BASE + 0x0800) /* Embedded ARM CPU Control */ @@ -305,10 +239,89 @@ enum wl12xx_acx_int_reg { 1 halt eCPU 0 enable eCPU ===============================================*/ - ACX_REG_ECPU_CONTROL, +#define ACX_REG_ECPU_CONTROL (REGISTERS_BASE + 0x0804) + +#define HI_CFG (REGISTERS_BASE + 0x0808) + +/*=============================================== + EEPROM Burst Read Start - 32bit RW + ------------------------------------------ + [31:1] Reserved + 0 ACX_EE_START - EEPROM Burst Read Start 0 + Setting this bit starts a burst read from + the external EEPROM. + If this bit is set (after reset) before an EEPROM read/write, + the burst read starts at EEPROM address 0. + Otherwise, it starts at the address + following the address of the previous access. + TheWlan hardware hardware clears this bit automatically. + + Default: 0x00000000 +*================================================*/ +#define ACX_REG_EE_START (REGISTERS_BASE + 0x080C) + +#define OCP_POR_CTR (REGISTERS_BASE + 0x09B4) +#define OCP_DATA_WRITE (REGISTERS_BASE + 0x09B8) +#define OCP_DATA_READ (REGISTERS_BASE + 0x09BC) +#define OCP_CMD (REGISTERS_BASE + 0x09C0) + +#define WL1271_HOST_WR_ACCESS (REGISTERS_BASE + 0x09F8) + +#define CHIP_ID_B (REGISTERS_BASE + 0x5674) + +#define CHIP_ID_1271_PG10 (0x4030101) +#define CHIP_ID_1271_PG20 (0x4030111) + +#define ENABLE (REGISTERS_BASE + 0x5450) + +/* Power Management registers */ +#define ELP_CFG_MODE (REGISTERS_BASE + 0x5804) +#define ELP_CMD (REGISTERS_BASE + 0x5808) +#define PLL_CAL_TIME (REGISTERS_BASE + 0x5810) +#define CLK_REQ_TIME (REGISTERS_BASE + 0x5814) +#define CLK_BUF_TIME (REGISTERS_BASE + 0x5818) + +#define CFG_PLL_SYNC_CNT (REGISTERS_BASE + 0x5820) + +/* Scratch Pad registers*/ +#define SCR_PAD0 (REGISTERS_BASE + 0x5608) +#define SCR_PAD1 (REGISTERS_BASE + 0x560C) +#define SCR_PAD2 (REGISTERS_BASE + 0x5610) +#define SCR_PAD3 (REGISTERS_BASE + 0x5614) +#define SCR_PAD4 (REGISTERS_BASE + 0x5618) +#define SCR_PAD4_SET (REGISTERS_BASE + 0x561C) +#define SCR_PAD4_CLR (REGISTERS_BASE + 0x5620) +#define SCR_PAD5 (REGISTERS_BASE + 0x5624) +#define SCR_PAD5_SET (REGISTERS_BASE + 0x5628) +#define SCR_PAD5_CLR (REGISTERS_BASE + 0x562C) +#define SCR_PAD6 (REGISTERS_BASE + 0x5630) +#define SCR_PAD7 (REGISTERS_BASE + 0x5634) +#define SCR_PAD8 (REGISTERS_BASE + 0x5638) +#define SCR_PAD9 (REGISTERS_BASE + 0x563C) + +/* Spare registers*/ +#define SPARE_A1 (REGISTERS_BASE + 0x0994) +#define SPARE_A2 (REGISTERS_BASE + 0x0998) +#define SPARE_A3 (REGISTERS_BASE + 0x099C) +#define SPARE_A4 (REGISTERS_BASE + 0x09A0) +#define SPARE_A5 (REGISTERS_BASE + 0x09A4) +#define SPARE_A6 (REGISTERS_BASE + 0x09A8) +#define SPARE_A7 (REGISTERS_BASE + 0x09AC) +#define SPARE_A8 (REGISTERS_BASE + 0x09B0) +#define SPARE_B1 (REGISTERS_BASE + 0x5420) +#define SPARE_B2 (REGISTERS_BASE + 0x5424) +#define SPARE_B3 (REGISTERS_BASE + 0x5428) +#define SPARE_B4 (REGISTERS_BASE + 0x542C) +#define SPARE_B5 (REGISTERS_BASE + 0x5430) +#define SPARE_B6 (REGISTERS_BASE + 0x5434) +#define SPARE_B7 (REGISTERS_BASE + 0x5438) +#define SPARE_B8 (REGISTERS_BASE + 0x543C) + +#define PLL_PARAMETERS (REGISTERS_BASE + 0x6040) +#define WU_COUNTER_PAUSE (REGISTERS_BASE + 0x6008) +#define WELP_ARM_COMMAND (REGISTERS_BASE + 0x6100) +#define DRPW_SCRATCH_START (DRPW_BASE + 0x002C) - ACX_REG_TABLE_LEN -}; #define ACX_SLV_SOFT_RESET_BIT BIT(1) #define ACX_REG_EEPROM_START_BIT BIT(1) diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c new file mode 100644 index 000000000000..ad8b6904c5eb --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_rx.c @@ -0,0 +1,200 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "wl1271.h" +#include "wl1271_acx.h" +#include "wl1271_reg.h" +#include "wl1271_rx.h" +#include "wl1271_spi.h" + +static u8 wl1271_rx_get_mem_block(struct wl1271_fw_status *status, + u32 drv_rx_counter) +{ + return status->rx_pkt_descs[drv_rx_counter] & RX_MEM_BLOCK_MASK; +} + +static u32 wl1271_rx_get_buf_size(struct wl1271_fw_status *status, + u32 drv_rx_counter) +{ + return (status->rx_pkt_descs[drv_rx_counter] & RX_BUF_SIZE_MASK) >> + RX_BUF_SIZE_SHIFT_DIV; +} + +/* The values of this table must match the wl1271_rates[] array */ +static u8 wl1271_rx_rate_to_idx[] = { + /* MCS rates are used only with 11n */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS7 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS6 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS5 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS4 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS3 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS2 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS1 */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS0 */ + + 11, /* WL1271_RATE_54 */ + 10, /* WL1271_RATE_48 */ + 9, /* WL1271_RATE_36 */ + 8, /* WL1271_RATE_24 */ + + /* TI-specific rate */ + WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_22 */ + + 7, /* WL1271_RATE_18 */ + 6, /* WL1271_RATE_12 */ + 3, /* WL1271_RATE_11 */ + 5, /* WL1271_RATE_9 */ + 4, /* WL1271_RATE_6 */ + 2, /* WL1271_RATE_5_5 */ + 1, /* WL1271_RATE_2 */ + 0 /* WL1271_RATE_1 */ +}; + +static void wl1271_rx_status(struct wl1271 *wl, + struct wl1271_rx_descriptor *desc, + struct ieee80211_rx_status *status, + u8 beacon) +{ + memset(status, 0, sizeof(struct ieee80211_rx_status)); + + if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == WL1271_RX_DESC_BAND_BG) + status->band = IEEE80211_BAND_2GHZ; + else + wl1271_warning("unsupported band 0x%x", + desc->flags & WL1271_RX_DESC_BAND_MASK); + + /* + * FIXME: Add mactime handling. For IBSS (ad-hoc) we need to get the + * timestamp from the beacon (acx_tsf_info). In BSS mode (infra) we + * only need the mactime for monitor mode. For now the mactime is + * not valid, so RX_FLAG_TSFT should not be set + */ + status->signal = desc->rssi; + + /* FIXME: Should this be optimized? */ + status->qual = (desc->rssi - WL1271_RX_MIN_RSSI) * 100 / + (WL1271_RX_MAX_RSSI - WL1271_RX_MIN_RSSI); + status->qual = min(status->qual, 100); + status->qual = max(status->qual, 0); + + /* + * FIXME: In wl1251, the SNR should be divided by two. In wl1271 we + * need to divide by two for now, but TI has been discussing about + * changing it. This needs to be rechecked. + */ + status->noise = desc->rssi - (desc->snr >> 1); + + status->freq = ieee80211_channel_to_frequency(desc->channel); + + if (desc->flags & WL1271_RX_DESC_ENCRYPT_MASK) { + status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED; + + if (likely(!(desc->flags & WL1271_RX_DESC_DECRYPT_FAIL))) + status->flag |= RX_FLAG_DECRYPTED; + + if (unlikely(desc->flags & WL1271_RX_DESC_MIC_FAIL)) + status->flag |= RX_FLAG_MMIC_ERROR; + } + + status->rate_idx = wl1271_rx_rate_to_idx[desc->rate]; + + if (status->rate_idx == WL1271_RX_RATE_UNSUPPORTED) + wl1271_warning("unsupported rate"); +} + +static void wl1271_rx_handle_data(struct wl1271 *wl, u32 length) +{ + struct ieee80211_rx_status rx_status; + struct wl1271_rx_descriptor *desc; + struct sk_buff *skb; + u16 *fc; + u8 *buf; + u8 beacon = 0; + + skb = dev_alloc_skb(length); + if (!skb) { + wl1271_error("Couldn't allocate RX frame"); + return; + } + + buf = skb_put(skb, length); + wl1271_spi_reg_read(wl, WL1271_SLV_MEM_DATA, buf, length, true); + + /* the data read starts with the descriptor */ + desc = (struct wl1271_rx_descriptor *) buf; + + /* now we pull the descriptor out of the buffer */ + skb_pull(skb, sizeof(*desc)); + + fc = (u16 *)skb->data; + if ((*fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON) + beacon = 1; + + wl1271_rx_status(wl, desc, &rx_status, beacon); + + wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s", skb, skb->len, + beacon ? "beacon" : ""); + + memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); + ieee80211_rx(wl->hw, skb); +} + +void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status) +{ + struct wl1271_acx_mem_map *wl_mem_map = wl->target_mem_map; + u32 buf_size; + u32 fw_rx_counter = status->fw_rx_counter & NUM_RX_PKT_DESC_MOD_MASK; + u32 drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK; + u32 mem_block; + + while (drv_rx_counter != fw_rx_counter) { + mem_block = wl1271_rx_get_mem_block(status, drv_rx_counter); + buf_size = wl1271_rx_get_buf_size(status, drv_rx_counter); + + if (buf_size == 0) { + wl1271_warning("received empty data"); + break; + } + + wl->rx_mem_pool_addr.addr = + (mem_block << 8) + wl_mem_map->packet_memory_pool_start; + wl->rx_mem_pool_addr.addr_extra = + wl->rx_mem_pool_addr.addr + 4; + + /* Choose the block we want to read */ + wl1271_spi_reg_write(wl, WL1271_SLV_REG_DATA, + &wl->rx_mem_pool_addr, + sizeof(wl->rx_mem_pool_addr), false); + + wl1271_rx_handle_data(wl, buf_size); + + wl->rx_counter++; + drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK; + } + + wl1271_reg_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter); + + /* This is a workaround for some problems in the chip */ + wl1271_reg_write32(wl, RX_DRIVER_DUMMY_WRITE_ADDRESS, 0x1); + +} diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.h b/drivers/net/wireless/wl12xx/wl1271_rx.h new file mode 100644 index 000000000000..d1ca60e43a25 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_rx.h @@ -0,0 +1,121 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. + * Copyright (C) 2008-2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1271_RX_H__ +#define __WL1271_RX_H__ + +#include <linux/bitops.h> + +#define WL1271_RX_MAX_RSSI -30 +#define WL1271_RX_MIN_RSSI -95 + +#define WL1271_RX_ALIGN_TO 4 +#define WL1271_RX_ALIGN(len) (((len) + WL1271_RX_ALIGN_TO - 1) & \ + ~(WL1271_RX_ALIGN_TO - 1)) + +#define SHORT_PREAMBLE_BIT BIT(0) +#define OFDM_RATE_BIT BIT(6) +#define PBCC_RATE_BIT BIT(7) + +#define PLCP_HEADER_LENGTH 8 +#define RX_DESC_PACKETID_SHIFT 11 +#define RX_MAX_PACKET_ID 3 + +#define NUM_RX_PKT_DESC_MOD_MASK 7 +#define WL1271_RX_RATE_UNSUPPORTED 0xFF + +#define RX_DESC_VALID_FCS 0x0001 +#define RX_DESC_MATCH_RXADDR1 0x0002 +#define RX_DESC_MCAST 0x0004 +#define RX_DESC_STAINTIM 0x0008 +#define RX_DESC_VIRTUAL_BM 0x0010 +#define RX_DESC_BCAST 0x0020 +#define RX_DESC_MATCH_SSID 0x0040 +#define RX_DESC_MATCH_BSSID 0x0080 +#define RX_DESC_ENCRYPTION_MASK 0x0300 +#define RX_DESC_MEASURMENT 0x0400 +#define RX_DESC_SEQNUM_MASK 0x1800 +#define RX_DESC_MIC_FAIL 0x2000 +#define RX_DESC_DECRYPT_FAIL 0x4000 + +/* + * RX Descriptor flags: + * + * Bits 0-1 - band + * Bit 2 - STBC + * Bit 3 - A-MPDU + * Bit 4 - HT + * Bits 5-7 - encryption + */ +#define WL1271_RX_DESC_BAND_MASK 0x03 +#define WL1271_RX_DESC_ENCRYPT_MASK 0xE0 + +#define WL1271_RX_DESC_BAND_BG 0x00 +#define WL1271_RX_DESC_BAND_J 0x01 +#define WL1271_RX_DESC_BAND_A 0x02 + +#define WL1271_RX_DESC_STBC BIT(2) +#define WL1271_RX_DESC_A_MPDU BIT(3) +#define WL1271_RX_DESC_HT BIT(4) + +#define WL1271_RX_DESC_ENCRYPT_WEP 0x20 +#define WL1271_RX_DESC_ENCRYPT_TKIP 0x40 +#define WL1271_RX_DESC_ENCRYPT_AES 0x60 +#define WL1271_RX_DESC_ENCRYPT_GEM 0x80 + +/* + * RX Descriptor status + * + * Bits 0-2 - status + * Bits 3-7 - reserved + */ +#define WL1271_RX_DESC_STATUS_MASK 0x07 + +#define WL1271_RX_DESC_SUCCESS 0x00 +#define WL1271_RX_DESC_DECRYPT_FAIL 0x01 +#define WL1271_RX_DESC_MIC_FAIL 0x02 +#define WL1271_RX_DESC_DRIVER_RX_Q_FAIL 0x03 + +#define RX_MEM_BLOCK_MASK 0xFF +#define RX_BUF_SIZE_MASK 0xFFF00 +#define RX_BUF_SIZE_SHIFT_DIV 6 + +struct wl1271_rx_descriptor { + u16 length; + u8 status; + u8 flags; + u8 rate; + u8 channel; + s8 rssi; + u8 snr; + u32 timestamp; + u8 packet_class; + u8 process_id; + u8 pad_len; + u8 reserved; +} __attribute__ ((packed)); + +void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status); + +#endif diff --git a/drivers/net/wireless/wl12xx/spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c index abdf171a47e7..4a12880c16a8 100644 --- a/drivers/net/wireless/wl12xx/spi.c +++ b/drivers/net/wireless/wl12xx/wl1271_spi.c @@ -1,9 +1,9 @@ /* - * This file is part of wl12xx + * This file is part of wl1271 * - * Copyright (C) 2008 Nokia Corporation + * Copyright (C) 2008-2009 Nokia Corporation * - * Contact: Kalle Valo <kalle.valo@nokia.com> + * Contact: Luciano Coelho <luciano.coelho@nokia.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -22,39 +22,26 @@ */ #include <linux/module.h> +#include <linux/platform_device.h> #include <linux/crc7.h> #include <linux/spi/spi.h> -#include "wl12xx.h" +#include "wl1271.h" #include "wl12xx_80211.h" -#include "reg.h" -#include "spi.h" -#include "ps.h" +#include "wl1271_spi.h" -static int wl12xx_translate_reg_addr(struct wl12xx *wl, int addr) +static int wl1271_translate_reg_addr(struct wl1271 *wl, int addr) { - /* If the address is lower than REGISTERS_BASE, it means that this is - * a chip-specific register address, so look it up in the registers - * table */ - if (addr < REGISTERS_BASE) { - /* Make sure we don't go over the table */ - if (addr >= ACX_REG_TABLE_LEN) { - wl12xx_error("address out of range (%d)", addr); - return -EINVAL; - } - addr = wl->chip.acx_reg_table[addr]; - } - return addr - wl->physical_reg_addr + wl->virtual_reg_addr; } -static int wl12xx_translate_mem_addr(struct wl12xx *wl, int addr) +static int wl1271_translate_mem_addr(struct wl1271 *wl, int addr) { return addr - wl->physical_mem_addr + wl->virtual_mem_addr; } -void wl12xx_spi_reset(struct wl12xx *wl) +void wl1271_spi_reset(struct wl1271 *wl) { u8 *cmd; struct spi_transfer t; @@ -62,7 +49,7 @@ void wl12xx_spi_reset(struct wl12xx *wl) cmd = kzalloc(WSPI_INIT_CMD_LEN, GFP_KERNEL); if (!cmd) { - wl12xx_error("could not allocate cmd for spi reset"); + wl1271_error("could not allocate cmd for spi reset"); return; } @@ -77,10 +64,10 @@ void wl12xx_spi_reset(struct wl12xx *wl) spi_sync(wl->spi, &m); - wl12xx_dump(DEBUG_SPI, "spi reset -> ", cmd, WSPI_INIT_CMD_LEN); + wl1271_dump(DEBUG_SPI, "spi reset -> ", cmd, WSPI_INIT_CMD_LEN); } -void wl12xx_spi_init(struct wl12xx *wl) +void wl1271_spi_init(struct wl1271 *wl) { u8 crc[WSPI_INIT_CMD_CRC_LEN], *cmd; struct spi_transfer t; @@ -88,7 +75,7 @@ void wl12xx_spi_init(struct wl12xx *wl) cmd = kzalloc(WSPI_INIT_CMD_LEN, GFP_KERNEL); if (!cmd) { - wl12xx_error("could not allocate cmd for spi init"); + wl1271_error("could not allocate cmd for spi init"); return; } @@ -131,7 +118,7 @@ void wl12xx_spi_init(struct wl12xx *wl) spi_sync(wl->spi, &m); - wl12xx_dump(DEBUG_SPI, "spi init -> ", cmd, WSPI_INIT_CMD_LEN); + wl1271_dump(DEBUG_SPI, "spi init -> ", cmd, WSPI_INIT_CMD_LEN); } /* Set the SPI partitions to access the chip addresses @@ -167,45 +154,47 @@ void wl12xx_spi_init(struct wl12xx *wl) * | | * */ -void wl12xx_set_partition(struct wl12xx *wl, +int wl1271_set_partition(struct wl1271 *wl, u32 mem_start, u32 mem_size, u32 reg_start, u32 reg_size) { - u8 tx_buf[sizeof(u32) + 2 * sizeof(struct wl12xx_partition)]; - struct wl12xx_partition *partition; + struct wl1271_partition *partition; struct spi_transfer t; struct spi_message m; + size_t len, cmd_len; u32 *cmd; - size_t len; int addr; + cmd_len = sizeof(u32) + 2 * sizeof(struct wl1271_partition); + cmd = kzalloc(cmd_len, GFP_KERNEL); + if (!cmd) + return -ENOMEM; + spi_message_init(&m); memset(&t, 0, sizeof(t)); - memset(tx_buf, 0, sizeof(tx_buf)); - cmd = (u32 *) tx_buf; - partition = (struct wl12xx_partition *) (tx_buf + sizeof(u32)); + partition = (struct wl1271_partition *) (cmd + 1); addr = HW_ACCESS_PART0_SIZE_ADDR; - len = 2 * sizeof(struct wl12xx_partition); + len = 2 * sizeof(struct wl1271_partition); *cmd |= WSPI_CMD_WRITE; *cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH; *cmd |= addr & WSPI_CMD_BYTE_ADDR; - wl12xx_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", + wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", mem_start, mem_size); - wl12xx_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", + wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", reg_start, reg_size); /* Make sure that the two partitions together don't exceed the * address range */ if ((mem_size + reg_size) > HW_ACCESS_MEMORY_MAX_RANGE) { - wl12xx_debug(DEBUG_SPI, "Total size exceeds maximum virtual" + wl1271_debug(DEBUG_SPI, "Total size exceeds maximum virtual" " address range. Truncating partition[0]."); mem_size = HW_ACCESS_MEMORY_MAX_RANGE - reg_size; - wl12xx_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", + wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", mem_start, mem_size); - wl12xx_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", + wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", reg_start, reg_size); } @@ -213,23 +202,23 @@ void wl12xx_set_partition(struct wl12xx *wl, ((mem_start + mem_size) > reg_start)) { /* Guarantee that the memory partition doesn't overlap the * registers partition */ - wl12xx_debug(DEBUG_SPI, "End of partition[0] is " + wl1271_debug(DEBUG_SPI, "End of partition[0] is " "overlapping partition[1]. Adjusted."); mem_size = reg_start - mem_start; - wl12xx_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", + wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", mem_start, mem_size); - wl12xx_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", + wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", reg_start, reg_size); } else if ((reg_start < mem_start) && ((reg_start + reg_size) > mem_start)) { /* Guarantee that the register partition doesn't overlap the * memory partition */ - wl12xx_debug(DEBUG_SPI, "End of partition[1] is" + wl1271_debug(DEBUG_SPI, "End of partition[1] is" " overlapping partition[0]. Adjusted."); reg_size = mem_start - reg_start; - wl12xx_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", + wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", mem_start, mem_size); - wl12xx_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", + wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", reg_start, reg_size); } @@ -244,36 +233,46 @@ void wl12xx_set_partition(struct wl12xx *wl, wl->virtual_mem_addr = 0; wl->virtual_reg_addr = mem_size; - t.tx_buf = tx_buf; - t.len = sizeof(tx_buf); + t.tx_buf = cmd; + t.len = cmd_len; spi_message_add_tail(&t, &m); spi_sync(wl->spi, &m); + + kfree(cmd); + + return 0; } -void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf, - size_t len) +void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed) { struct spi_transfer t[3]; struct spi_message m; - char busy_buf[TNETWIF_READ_OFFSET_BYTES]; - u32 cmd; + u8 *busy_buf; + u32 *cmd; - cmd = 0; - cmd |= WSPI_CMD_READ; - cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH; - cmd |= addr & WSPI_CMD_BYTE_ADDR; + cmd = &wl->buffer_cmd; + busy_buf = wl->buffer_busyword; + + *cmd = 0; + *cmd |= WSPI_CMD_READ; + *cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH; + *cmd |= addr & WSPI_CMD_BYTE_ADDR; + + if (fixed) + *cmd |= WSPI_CMD_FIXED; spi_message_init(&m); memset(t, 0, sizeof(t)); - t[0].tx_buf = &cmd; + t[0].tx_buf = cmd; t[0].len = 4; spi_message_add_tail(&t[0], &m); /* Busy and non busy words read */ t[1].rx_buf = busy_buf; - t[1].len = TNETWIF_READ_OFFSET_BYTES; + t[1].len = WL1271_BUSY_WORD_LEN; spi_message_add_tail(&t[1], &m); t[2].rx_buf = buf; @@ -284,27 +283,32 @@ void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf, /* FIXME: check busy words */ - wl12xx_dump(DEBUG_SPI, "spi_read cmd -> ", &cmd, sizeof(cmd)); - wl12xx_dump(DEBUG_SPI, "spi_read buf <- ", buf, len); + wl1271_dump(DEBUG_SPI, "spi_read cmd -> ", cmd, sizeof(*cmd)); + wl1271_dump(DEBUG_SPI, "spi_read buf <- ", buf, len); } -void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, - size_t len) +void wl1271_spi_write(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed) { struct spi_transfer t[2]; struct spi_message m; - u32 cmd; + u32 *cmd; - cmd = 0; - cmd |= WSPI_CMD_WRITE; - cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH; - cmd |= addr & WSPI_CMD_BYTE_ADDR; + cmd = &wl->buffer_cmd; + + *cmd = 0; + *cmd |= WSPI_CMD_WRITE; + *cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH; + *cmd |= addr & WSPI_CMD_BYTE_ADDR; + + if (fixed) + *cmd |= WSPI_CMD_FIXED; spi_message_init(&m); memset(t, 0, sizeof(t)); - t[0].tx_buf = &cmd; - t[0].len = sizeof(cmd); + t[0].tx_buf = cmd; + t[0].len = sizeof(*cmd); spi_message_add_tail(&t[0], &m); t[1].tx_buf = buf; @@ -313,46 +317,66 @@ void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, spi_sync(wl->spi, &m); - wl12xx_dump(DEBUG_SPI, "spi_write cmd -> ", &cmd, sizeof(cmd)); - wl12xx_dump(DEBUG_SPI, "spi_write buf -> ", buf, len); + wl1271_dump(DEBUG_SPI, "spi_write cmd -> ", cmd, sizeof(*cmd)); + wl1271_dump(DEBUG_SPI, "spi_write buf -> ", buf, len); } -void wl12xx_spi_mem_read(struct wl12xx *wl, int addr, void *buf, +void wl1271_spi_mem_read(struct wl1271 *wl, int addr, void *buf, size_t len) { int physical; - physical = wl12xx_translate_mem_addr(wl, addr); + physical = wl1271_translate_mem_addr(wl, addr); - wl12xx_spi_read(wl, physical, buf, len); + wl1271_spi_read(wl, physical, buf, len, false); } -void wl12xx_spi_mem_write(struct wl12xx *wl, int addr, void *buf, +void wl1271_spi_mem_write(struct wl1271 *wl, int addr, void *buf, size_t len) { int physical; - physical = wl12xx_translate_mem_addr(wl, addr); + physical = wl1271_translate_mem_addr(wl, addr); + + wl1271_spi_write(wl, physical, buf, len, false); +} + +void wl1271_spi_reg_read(struct wl1271 *wl, int addr, void *buf, size_t len, + bool fixed) +{ + int physical; + + physical = wl1271_translate_reg_addr(wl, addr); + + wl1271_spi_read(wl, physical, buf, len, fixed); +} + +void wl1271_spi_reg_write(struct wl1271 *wl, int addr, void *buf, size_t len, + bool fixed) +{ + int physical; + + physical = wl1271_translate_reg_addr(wl, addr); - wl12xx_spi_write(wl, physical, buf, len); + wl1271_spi_write(wl, physical, buf, len, fixed); } -u32 wl12xx_mem_read32(struct wl12xx *wl, int addr) +u32 wl1271_mem_read32(struct wl1271 *wl, int addr) { - return wl12xx_read32(wl, wl12xx_translate_mem_addr(wl, addr)); + return wl1271_read32(wl, wl1271_translate_mem_addr(wl, addr)); } -void wl12xx_mem_write32(struct wl12xx *wl, int addr, u32 val) +void wl1271_mem_write32(struct wl1271 *wl, int addr, u32 val) { - wl12xx_write32(wl, wl12xx_translate_mem_addr(wl, addr), val); + wl1271_write32(wl, wl1271_translate_mem_addr(wl, addr), val); } -u32 wl12xx_reg_read32(struct wl12xx *wl, int addr) +u32 wl1271_reg_read32(struct wl1271 *wl, int addr) { - return wl12xx_read32(wl, wl12xx_translate_reg_addr(wl, addr)); + return wl1271_read32(wl, wl1271_translate_reg_addr(wl, addr)); } -void wl12xx_reg_write32(struct wl12xx *wl, int addr, u32 val) +void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val) { - wl12xx_write32(wl, wl12xx_translate_reg_addr(wl, addr), val); + wl1271_write32(wl, wl1271_translate_reg_addr(wl, addr), val); } diff --git a/drivers/net/wireless/wl12xx/spi.h b/drivers/net/wireless/wl12xx/wl1271_spi.h index fd3227e904a8..2c9968458646 100644 --- a/drivers/net/wireless/wl12xx/spi.h +++ b/drivers/net/wireless/wl12xx/wl1271_spi.h @@ -1,10 +1,10 @@ /* - * This file is part of wl12xx + * This file is part of wl1271 * - * Copyright (c) 1998-2007 Texas Instruments Incorporated - * Copyright (C) 2008 Nokia Corporation + * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. + * Copyright (C) 2008-2009 Nokia Corporation * - * Contact: Kalle Valo <kalle.valo@nokia.com> + * Contact: Luciano Coelho <luciano.coelho@nokia.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -22,12 +22,10 @@ * */ -#ifndef __WL12XX_SPI_H__ -#define __WL12XX_SPI_H__ +#ifndef __WL1271_SPI_H__ +#define __WL1271_SPI_H__ -#include "cmd.h" -#include "acx.h" -#include "reg.h" +#include "wl1271_reg.h" #define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0 @@ -65,45 +63,51 @@ #define WSPI_INIT_CMD_LEN 8 -#define TNETWIF_READ_OFFSET_BYTES 8 #define HW_ACCESS_WSPI_FIXED_BUSY_LEN \ - ((TNETWIF_READ_OFFSET_BYTES - 4) / sizeof(u32)) + ((WL1271_BUSY_WORD_LEN - 4) / sizeof(u32)) #define HW_ACCESS_WSPI_INIT_CMD_MASK 0 /* Raw target IO, address is not translated */ -void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf, size_t len); -void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, size_t len); +void wl1271_spi_write(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed); +void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed); /* Memory target IO, address is tranlated to partition 0 */ -void wl12xx_spi_mem_read(struct wl12xx *wl, int addr, void *buf, size_t len); -void wl12xx_spi_mem_write(struct wl12xx *wl, int addr, void *buf, size_t len); -u32 wl12xx_mem_read32(struct wl12xx *wl, int addr); -void wl12xx_mem_write32(struct wl12xx *wl, int addr, u32 val); +void wl1271_spi_mem_read(struct wl1271 *wl, int addr, void *buf, size_t len); +void wl1271_spi_mem_write(struct wl1271 *wl, int addr, void *buf, size_t len); +u32 wl1271_mem_read32(struct wl1271 *wl, int addr); +void wl1271_mem_write32(struct wl1271 *wl, int addr, u32 val); /* Registers IO */ -u32 wl12xx_reg_read32(struct wl12xx *wl, int addr); -void wl12xx_reg_write32(struct wl12xx *wl, int addr, u32 val); +void wl1271_spi_reg_read(struct wl1271 *wl, int addr, void *buf, size_t len, + bool fixed); +void wl1271_spi_reg_write(struct wl1271 *wl, int addr, void *buf, size_t len, + bool fixed); +u32 wl1271_reg_read32(struct wl1271 *wl, int addr); +void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val); /* INIT and RESET words */ -void wl12xx_spi_reset(struct wl12xx *wl); -void wl12xx_spi_init(struct wl12xx *wl); -void wl12xx_set_partition(struct wl12xx *wl, - u32 part_start, u32 part_size, - u32 reg_start, u32 reg_size); +void wl1271_spi_reset(struct wl1271 *wl); +void wl1271_spi_init(struct wl1271 *wl); +int wl1271_set_partition(struct wl1271 *wl, + u32 part_start, u32 part_size, + u32 reg_start, u32 reg_size); -static inline u32 wl12xx_read32(struct wl12xx *wl, int addr) +static inline u32 wl1271_read32(struct wl1271 *wl, int addr) { - u32 response; + wl1271_spi_read(wl, addr, &wl->buffer_32, + sizeof(wl->buffer_32), false); - wl12xx_spi_read(wl, addr, &response, sizeof(u32)); - - return response; + return wl->buffer_32; } -static inline void wl12xx_write32(struct wl12xx *wl, int addr, u32 val) +static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val) { - wl12xx_spi_write(wl, addr, &val, sizeof(u32)); + wl->buffer_32 = val; + wl1271_spi_write(wl, addr, &wl->buffer_32, + sizeof(wl->buffer_32), false); } -#endif /* __WL12XX_SPI_H__ */ +#endif /* __WL1271_SPI_H__ */ diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c new file mode 100644 index 000000000000..ff221258b941 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_tx.c @@ -0,0 +1,378 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> + +#include "wl1271.h" +#include "wl1271_spi.h" +#include "wl1271_reg.h" +#include "wl1271_ps.h" +#include "wl1271_tx.h" + +static int wl1271_tx_id(struct wl1271 *wl, struct sk_buff *skb) +{ + int i; + + for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) + if (wl->tx_frames[i] == NULL) { + wl->tx_frames[i] = skb; + return i; + } + + return -EBUSY; +} + +static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra) +{ + struct wl1271_tx_hw_descr *desc; + u32 total_len = skb->len + sizeof(struct wl1271_tx_hw_descr) + extra; + u32 total_blocks, excluded; + int id, ret = -EBUSY; + + /* allocate free identifier for the packet */ + id = wl1271_tx_id(wl, skb); + if (id < 0) + return id; + + /* approximate the number of blocks required for this packet + in the firmware */ + /* FIXME: try to figure out what is done here and make it cleaner */ + total_blocks = (skb->len) >> TX_HW_BLOCK_SHIFT_DIV; + excluded = (total_blocks << 2) + (skb->len & 0xff) + 34; + total_blocks += (excluded > 252) ? 2 : 1; + total_blocks += TX_HW_BLOCK_SPARE; + + if (total_blocks <= wl->tx_blocks_available) { + desc = (struct wl1271_tx_hw_descr *)skb_push( + skb, total_len - skb->len); + + desc->extra_mem_blocks = TX_HW_BLOCK_SPARE; + desc->total_mem_blocks = total_blocks; + desc->id = id; + + wl->tx_blocks_available -= total_blocks; + + ret = 0; + + wl1271_debug(DEBUG_TX, + "tx_allocate: size: %d, blocks: %d, id: %d", + total_len, total_blocks, id); + } else + wl->tx_frames[id] = NULL; + + return ret; +} + +static int wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb, + u32 extra, struct ieee80211_tx_info *control) +{ + struct wl1271_tx_hw_descr *desc; + int pad; + + desc = (struct wl1271_tx_hw_descr *) skb->data; + + /* configure packet life time */ + desc->start_time = jiffies_to_usecs(jiffies) - wl->time_offset; + desc->life_time = TX_HW_MGMT_PKT_LIFETIME_TU; + + /* configure the tx attributes */ + desc->tx_attr = wl->session_counter << TX_HW_ATTR_OFST_SESSION_COUNTER; + /* FIXME: do we know the packet priority? can we identify mgmt + packets, and use max prio for them at least? */ + desc->tid = 0; + desc->aid = TX_HW_DEFAULT_AID; + desc->reserved = 0; + + /* align the length (and store in terms of words) */ + pad = WL1271_TX_ALIGN(skb->len); + desc->length = pad >> 2; + + /* calculate number of padding bytes */ + pad = pad - skb->len; + desc->tx_attr |= pad << TX_HW_ATTR_OFST_LAST_WORD_PAD; + + wl1271_debug(DEBUG_TX, "tx_fill_hdr: pad: %d", pad); + return 0; +} + +static int wl1271_tx_send_packet(struct wl1271 *wl, struct sk_buff *skb, + struct ieee80211_tx_info *control) +{ + + struct wl1271_tx_hw_descr *desc; + int len; + + /* FIXME: This is a workaround for getting non-aligned packets. + This happens at least with EAPOL packets from the user space. + Our DMA requires packets to be aligned on a 4-byte boundary. + */ + if (unlikely((long)skb->data & 0x03)) { + int offset = (4 - (long)skb->data) & 0x03; + wl1271_debug(DEBUG_TX, "skb offset %d", offset); + + /* check whether the current skb can be used */ + if (!skb_cloned(skb) && (skb_tailroom(skb) >= offset)) { + unsigned char *src = skb->data; + + /* align the buffer on a 4-byte boundary */ + skb_reserve(skb, offset); + memmove(skb->data, src, skb->len); + } else { + wl1271_info("No handler, fixme!"); + return -EINVAL; + } + } + + len = WL1271_TX_ALIGN(skb->len); + + /* perform a fixed address block write with the packet */ + wl1271_spi_reg_write(wl, WL1271_SLV_MEM_DATA, skb->data, len, true); + + /* write packet new counter into the write access register */ + wl->tx_packets_count++; + wl1271_reg_write32(wl, WL1271_HOST_WR_ACCESS, wl->tx_packets_count); + + desc = (struct wl1271_tx_hw_descr *) skb->data; + wl1271_debug(DEBUG_TX, "tx id %u skb 0x%p payload %u (%u words)", + desc->id, skb, len, desc->length); + + return 0; +} + +/* caller must hold wl->mutex */ +static int wl1271_tx_frame(struct wl1271 *wl, struct sk_buff *skb) +{ + struct ieee80211_tx_info *info; + u32 extra = 0; + int ret = 0; + u8 idx; + + if (!skb) + return -EINVAL; + + info = IEEE80211_SKB_CB(skb); + + if (info->control.hw_key && + info->control.hw_key->alg == ALG_TKIP) + extra = WL1271_TKIP_IV_SPACE; + + if (info->control.hw_key) { + idx = info->control.hw_key->hw_key_idx; + + /* FIXME: do we have to do this if we're not using WEP? */ + if (unlikely(wl->default_key != idx)) { + ret = wl1271_cmd_set_default_wep_key(wl, idx); + if (ret < 0) + return ret; + } + } + + ret = wl1271_tx_allocate(wl, skb, extra); + if (ret < 0) + return ret; + + ret = wl1271_tx_fill_hdr(wl, skb, extra, info); + if (ret < 0) + return ret; + + ret = wl1271_tx_send_packet(wl, skb, info); + if (ret < 0) + return ret; + + return ret; +} + +void wl1271_tx_work(struct work_struct *work) +{ + struct wl1271 *wl = container_of(work, struct wl1271, tx_work); + struct sk_buff *skb; + bool woken_up = false; + int ret; + + mutex_lock(&wl->mutex); + + if (unlikely(wl->state == WL1271_STATE_OFF)) + goto out; + + while ((skb = skb_dequeue(&wl->tx_queue))) { + if (!woken_up) { + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + woken_up = true; + } + + ret = wl1271_tx_frame(wl, skb); + if (ret == -EBUSY) { + /* firmware buffer is full, stop queues */ + wl1271_debug(DEBUG_TX, "tx_work: fw buffer full, " + "stop queues"); + ieee80211_stop_queues(wl->hw); + wl->tx_queue_stopped = true; + skb_queue_head(&wl->tx_queue, skb); + goto out; + } else if (ret < 0) { + dev_kfree_skb(skb); + goto out; + } else if (wl->tx_queue_stopped) { + /* firmware buffer has space, restart queues */ + wl1271_debug(DEBUG_TX, + "complete_packet: waking queues"); + ieee80211_wake_queues(wl->hw); + wl->tx_queue_stopped = false; + } + } + +out: + if (woken_up) + wl1271_ps_elp_sleep(wl); + + mutex_unlock(&wl->mutex); +} + +static void wl1271_tx_complete_packet(struct wl1271 *wl, + struct wl1271_tx_hw_res_descr *result) +{ + + struct ieee80211_tx_info *info; + struct sk_buff *skb; + u32 header_len; + int id = result->id; + + /* check for id legality */ + if (id >= TX_HW_RESULT_QUEUE_LEN || wl->tx_frames[id] == NULL) { + wl1271_warning("TX result illegal id: %d", id); + return; + } + + skb = wl->tx_frames[id]; + info = IEEE80211_SKB_CB(skb); + + /* update packet status */ + if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { + if (result->status == TX_SUCCESS) + info->flags |= IEEE80211_TX_STAT_ACK; + if (result->status & TX_RETRY_EXCEEDED) { + /* FIXME */ + /* info->status.excessive_retries = 1; */ + wl->stats.excessive_retries++; + } + } + + /* FIXME */ + /* info->status.retry_count = result->ack_failures; */ + wl->stats.retry_count += result->ack_failures; + + /* get header len */ + if (info->control.hw_key && + info->control.hw_key->alg == ALG_TKIP) + header_len = WL1271_TKIP_IV_SPACE + + sizeof(struct wl1271_tx_hw_descr); + else + header_len = sizeof(struct wl1271_tx_hw_descr); + + wl1271_debug(DEBUG_TX, "tx status id %u skb 0x%p failures %u rate 0x%x" + " status 0x%x", + result->id, skb, result->ack_failures, + result->rate_class_index, result->status); + + /* remove private header from packet */ + skb_pull(skb, header_len); + + /* return the packet to the stack */ + ieee80211_tx_status(wl->hw, skb); + wl->tx_frames[result->id] = NULL; +} + +/* Called upon reception of a TX complete interrupt */ +void wl1271_tx_complete(struct wl1271 *wl, u32 count) +{ + struct wl1271_acx_mem_map *memmap = + (struct wl1271_acx_mem_map *)wl->target_mem_map; + u32 i; + + wl1271_debug(DEBUG_TX, "tx_complete received, packets: %d", count); + + /* read the tx results from the chipset */ + wl1271_spi_mem_read(wl, memmap->tx_result, + wl->tx_res_if, sizeof(*wl->tx_res_if)); + + /* verify that the result buffer is not getting overrun */ + if (count > TX_HW_RESULT_QUEUE_LEN) { + wl1271_warning("TX result overflow from chipset: %d", count); + count = TX_HW_RESULT_QUEUE_LEN; + } + + /* process the results */ + for (i = 0; i < count; i++) { + struct wl1271_tx_hw_res_descr *result; + u8 offset = wl->tx_results_count & TX_HW_RESULT_QUEUE_LEN_MASK; + + /* process the packet */ + result = &(wl->tx_res_if->tx_results_queue[offset]); + wl1271_tx_complete_packet(wl, result); + + wl->tx_results_count++; + } + + /* write host counter to chipset (to ack) */ + wl1271_mem_write32(wl, memmap->tx_result + + offsetof(struct wl1271_tx_hw_res_if, + tx_result_host_counter), + wl->tx_res_if->tx_result_fw_counter); +} + +/* caller must hold wl->mutex */ +void wl1271_tx_flush(struct wl1271 *wl) +{ + int i; + struct sk_buff *skb; + struct ieee80211_tx_info *info; + + /* TX failure */ +/* control->flags = 0; FIXME */ + + while ((skb = skb_dequeue(&wl->tx_queue))) { + info = IEEE80211_SKB_CB(skb); + + wl1271_debug(DEBUG_TX, "flushing skb 0x%p", skb); + + if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) + continue; + + ieee80211_tx_status(wl->hw, skb); + } + + for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) + if (wl->tx_frames[i] != NULL) { + skb = wl->tx_frames[i]; + info = IEEE80211_SKB_CB(skb); + + if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) + continue; + + ieee80211_tx_status(wl->hw, skb); + wl->tx_frames[i] = NULL; + } +} diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.h b/drivers/net/wireless/wl12xx/wl1271_tx.h new file mode 100644 index 000000000000..4a614067ddba --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_tx.h @@ -0,0 +1,130 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1271_TX_H__ +#define __WL1271_TX_H__ + +#define TX_HW_BLOCK_SPARE 2 +#define TX_HW_BLOCK_SHIFT_DIV 8 + +#define TX_HW_MGMT_PKT_LIFETIME_TU 2000 +/* The chipset reference driver states, that the "aid" value 1 + * is for infra-BSS, but is still always used */ +#define TX_HW_DEFAULT_AID 1 + +#define TX_HW_ATTR_SAVE_RETRIES BIT(0) +#define TX_HW_ATTR_HEADER_PAD BIT(1) +#define TX_HW_ATTR_SESSION_COUNTER (BIT(2) | BIT(3) | BIT(4)) +#define TX_HW_ATTR_RATE_POLICY (BIT(5) | BIT(6) | BIT(7) | \ + BIT(8) | BIT(9)) +#define TX_HW_ATTR_LAST_WORD_PAD (BIT(10) | BIT(11)) +#define TX_HW_ATTR_TX_CMPLT_REQ BIT(12) + +#define TX_HW_ATTR_OFST_SAVE_RETRIES 0 +#define TX_HW_ATTR_OFST_HEADER_PAD 1 +#define TX_HW_ATTR_OFST_SESSION_COUNTER 2 +#define TX_HW_ATTR_OFST_RATE_POLICY 5 +#define TX_HW_ATTR_OFST_LAST_WORD_PAD 10 +#define TX_HW_ATTR_OFST_TX_CMPLT_REQ 12 + +#define TX_HW_RESULT_QUEUE_LEN 16 +#define TX_HW_RESULT_QUEUE_LEN_MASK 0xf + +#define WL1271_TX_ALIGN_TO 4 +#define WL1271_TX_ALIGN(len) (((len) + WL1271_TX_ALIGN_TO - 1) & \ + ~(WL1271_TX_ALIGN_TO - 1)) +#define WL1271_TKIP_IV_SPACE 4 + +struct wl1271_tx_hw_descr { + /* Length of packet in words, including descriptor+header+data */ + u16 length; + /* Number of extra memory blocks to allocate for this packet in + addition to the number of blocks derived from the packet length */ + u8 extra_mem_blocks; + /* Total number of memory blocks allocated by the host for this packet. + Must be equal or greater than the actual blocks number allocated by + HW!! */ + u8 total_mem_blocks; + /* Device time (in us) when the packet arrived to the driver */ + u32 start_time; + /* Max delay in TUs until transmission. The last device time the + packet can be transmitted is: startTime+(1024*LifeTime) */ + u16 life_time; + /* Bitwise fields - see TX_ATTR... definitions above. */ + u16 tx_attr; + /* Packet identifier used also in the Tx-Result. */ + u8 id; + /* The packet TID value (as User-Priority) */ + u8 tid; + /* Identifier of the remote STA in IBSS, 1 in infra-BSS */ + u8 aid; + u8 reserved; +} __attribute__ ((packed)); + +enum wl1271_tx_hw_res_status { + TX_SUCCESS = 0, + TX_HW_ERROR = 1, + TX_DISABLED = 2, + TX_RETRY_EXCEEDED = 3, + TX_TIMEOUT = 4, + TX_KEY_NOT_FOUND = 5, + TX_PEER_NOT_FOUND = 6, + TX_SESSION_MISMATCH = 7 +}; + +struct wl1271_tx_hw_res_descr { + /* Packet Identifier - same value used in the Tx descriptor.*/ + u8 id; + /* The status of the transmission, indicating success or one of + several possible reasons for failure. */ + u8 status; + /* Total air access duration including all retrys and overheads.*/ + u16 medium_usage; + /* The time passed from host xfer to Tx-complete.*/ + u32 fw_handling_time; + /* Total media delay + (from 1st EDCA AIFS counter until TX Complete). */ + u32 medium_delay; + /* LS-byte of last TKIP seq-num (saved per AC for recovery). */ + u8 lsb_security_sequence_number; + /* Retry count - number of transmissions without successful ACK.*/ + u8 ack_failures; + /* The rate that succeeded getting ACK + (Valid only if status=SUCCESS). */ + u8 rate_class_index; + /* for 4-byte alignment. */ + u8 spare; +} __attribute__ ((packed)); + +struct wl1271_tx_hw_res_if { + u32 tx_result_fw_counter; + u32 tx_result_host_counter; + struct wl1271_tx_hw_res_descr tx_results_queue[TX_HW_RESULT_QUEUE_LEN]; +} __attribute__ ((packed)); + +void wl1271_tx_work(struct work_struct *work); +void wl1271_tx_complete(struct wl1271 *wl, u32 count); +void wl1271_tx_flush(struct wl1271 *wl); + +#endif |