diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-ucode.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-ucode.c | 428 |
1 files changed, 119 insertions, 309 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-ucode.c b/drivers/net/wireless/iwlwifi/iwl-ucode.c index 36a1b5b25858..252828728837 100644 --- a/drivers/net/wireless/iwlwifi/iwl-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-ucode.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -28,12 +28,8 @@ *****************************************************************************/ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/init.h> -#include <linux/sched.h> -#include <linux/dma-mapping.h> -#include "iwl-wifi.h" #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" @@ -42,6 +38,7 @@ #include "iwl-agn-calib.h" #include "iwl-trans.h" #include "iwl-fh.h" +#include "iwl-op-mode.h" static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = { {COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP, @@ -80,157 +77,35 @@ static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = { * ******************************************************************************/ -static void iwl_free_fw_desc(struct iwl_bus *bus, struct fw_desc *desc) +static inline const struct fw_img * +iwl_get_ucode_image(struct iwl_priv *priv, enum iwl_ucode_type ucode_type) { - if (desc->v_addr) - dma_free_coherent(bus->dev, desc->len, - desc->v_addr, desc->p_addr); - desc->v_addr = NULL; - desc->len = 0; -} - -static void iwl_free_fw_img(struct iwl_bus *bus, struct fw_img *img) -{ - iwl_free_fw_desc(bus, &img->code); - iwl_free_fw_desc(bus, &img->data); -} - -void iwl_dealloc_ucode(struct iwl_trans *trans) -{ - iwl_free_fw_img(bus(trans), &trans->ucode_rt); - iwl_free_fw_img(bus(trans), &trans->ucode_init); - iwl_free_fw_img(bus(trans), &trans->ucode_wowlan); -} - -int iwl_alloc_fw_desc(struct iwl_bus *bus, struct fw_desc *desc, - const void *data, size_t len) -{ - if (!len) { - desc->v_addr = NULL; - return -EINVAL; - } - - desc->v_addr = dma_alloc_coherent(bus->dev, len, - &desc->p_addr, GFP_KERNEL); - if (!desc->v_addr) - return -ENOMEM; + if (ucode_type >= IWL_UCODE_TYPE_MAX) + return NULL; - desc->len = len; - memcpy(desc->v_addr, data, len); - return 0; -} - -/* - * ucode - */ -static int iwl_load_section(struct iwl_trans *trans, const char *name, - struct fw_desc *image, u32 dst_addr) -{ - struct iwl_bus *bus = bus(trans); - dma_addr_t phy_addr = image->p_addr; - u32 byte_cnt = image->len; - int ret; - - trans->ucode_write_complete = 0; - - iwl_write_direct32(bus, - FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), - FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE); - - iwl_write_direct32(bus, - FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr); - - iwl_write_direct32(bus, - FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL), - phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK); - - iwl_write_direct32(bus, - FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL), - (iwl_get_dma_hi_addr(phy_addr) - << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt); - - iwl_write_direct32(bus, - FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL), - 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM | - 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX | - FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID); - - iwl_write_direct32(bus, - FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), - FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | - FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE | - FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD); - - IWL_DEBUG_FW(bus, "%s uCode section being loaded...\n", name); - ret = wait_event_timeout(trans->shrd->wait_command_queue, - trans->ucode_write_complete, 5 * HZ); - if (!ret) { - IWL_ERR(trans, "Could not load the %s uCode section\n", - name); - return -ETIMEDOUT; - } - - return 0; -} - -static inline struct fw_img *iwl_get_ucode_image(struct iwl_trans *trans, - enum iwl_ucode_type ucode_type) -{ - switch (ucode_type) { - case IWL_UCODE_INIT: - return &trans->ucode_init; - case IWL_UCODE_WOWLAN: - return &trans->ucode_wowlan; - case IWL_UCODE_REGULAR: - return &trans->ucode_rt; - case IWL_UCODE_NONE: - break; - } - return NULL; -} - -static int iwl_load_given_ucode(struct iwl_trans *trans, - enum iwl_ucode_type ucode_type) -{ - int ret = 0; - struct fw_img *image = iwl_get_ucode_image(trans, ucode_type); - - - if (!image) { - IWL_ERR(trans, "Invalid ucode requested (%d)\n", - ucode_type); - return -EINVAL; - } - - ret = iwl_load_section(trans, "INST", &image->code, - IWLAGN_RTC_INST_LOWER_BOUND); - if (ret) - return ret; - - return iwl_load_section(trans, "DATA", &image->data, - IWLAGN_RTC_DATA_LOWER_BOUND); + return &priv->fw->img[ucode_type]; } /* * Calibration */ -static int iwl_set_Xtal_calib(struct iwl_trans *trans) +static int iwl_set_Xtal_calib(struct iwl_priv *priv) { struct iwl_calib_xtal_freq_cmd cmd; __le16 *xtal_calib = - (__le16 *)iwl_eeprom_query_addr(trans->shrd, EEPROM_XTAL); + (__le16 *)iwl_eeprom_query_addr(priv->shrd, EEPROM_XTAL); iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD); cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]); cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]); - return iwl_calib_set(trans, (void *)&cmd, sizeof(cmd)); + return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); } -static int iwl_set_temperature_offset_calib(struct iwl_trans *trans) +static int iwl_set_temperature_offset_calib(struct iwl_priv *priv) { struct iwl_calib_temperature_offset_cmd cmd; __le16 *offset_calib = - (__le16 *)iwl_eeprom_query_addr(trans->shrd, + (__le16 *)iwl_eeprom_query_addr(priv->shrd, EEPROM_RAW_TEMPERATURE); memset(&cmd, 0, sizeof(cmd)); @@ -239,48 +114,48 @@ static int iwl_set_temperature_offset_calib(struct iwl_trans *trans) if (!(cmd.radio_sensor_offset)) cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET; - IWL_DEBUG_CALIB(trans, "Radio sensor offset: %d\n", + IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n", le16_to_cpu(cmd.radio_sensor_offset)); - return iwl_calib_set(trans, (void *)&cmd, sizeof(cmd)); + return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); } -static int iwl_set_temperature_offset_calib_v2(struct iwl_trans *trans) +static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv) { struct iwl_calib_temperature_offset_v2_cmd cmd; - __le16 *offset_calib_high = (__le16 *)iwl_eeprom_query_addr(trans->shrd, + __le16 *offset_calib_high = (__le16 *)iwl_eeprom_query_addr(priv->shrd, EEPROM_KELVIN_TEMPERATURE); __le16 *offset_calib_low = - (__le16 *)iwl_eeprom_query_addr(trans->shrd, + (__le16 *)iwl_eeprom_query_addr(priv->shrd, EEPROM_RAW_TEMPERATURE); struct iwl_eeprom_calib_hdr *hdr; memset(&cmd, 0, sizeof(cmd)); iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD); - hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(trans->shrd, + hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv->shrd, EEPROM_CALIB_ALL); memcpy(&cmd.radio_sensor_offset_high, offset_calib_high, sizeof(*offset_calib_high)); memcpy(&cmd.radio_sensor_offset_low, offset_calib_low, sizeof(*offset_calib_low)); if (!(cmd.radio_sensor_offset_low)) { - IWL_DEBUG_CALIB(trans, "no info in EEPROM, use default\n"); + IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n"); cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET; cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET; } memcpy(&cmd.burntVoltageRef, &hdr->voltage, sizeof(hdr->voltage)); - IWL_DEBUG_CALIB(trans, "Radio sensor offset high: %d\n", + IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n", le16_to_cpu(cmd.radio_sensor_offset_high)); - IWL_DEBUG_CALIB(trans, "Radio sensor offset low: %d\n", + IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n", le16_to_cpu(cmd.radio_sensor_offset_low)); - IWL_DEBUG_CALIB(trans, "Voltage Ref: %d\n", + IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n", le16_to_cpu(cmd.burntVoltageRef)); - return iwl_calib_set(trans, (void *)&cmd, sizeof(cmd)); + return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); } -static int iwl_send_calib_cfg(struct iwl_trans *trans) +static int iwl_send_calib_cfg(struct iwl_priv *priv) { struct iwl_calib_cfg_cmd calib_cfg_cmd; struct iwl_host_cmd cmd = { @@ -296,47 +171,47 @@ static int iwl_send_calib_cfg(struct iwl_trans *trans) calib_cfg_cmd.ucd_calib_cfg.flags = IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK; - return iwl_trans_send_cmd(trans, &cmd); + return iwl_dvm_send_cmd(priv, &cmd); } int iwlagn_rx_calib_result(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->u.raw; + struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->data; int len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; /* reduce the size of the length field itself */ len -= 4; - if (iwl_calib_set(trans(priv), hdr, len)) + if (iwl_calib_set(priv, hdr, len)) IWL_ERR(priv, "Failed to record calibration data %d\n", hdr->op_code); return 0; } -int iwl_init_alive_start(struct iwl_trans *trans) +int iwl_init_alive_start(struct iwl_priv *priv) { int ret; - if (cfg(trans)->bt_params && - cfg(trans)->bt_params->advanced_bt_coexist) { + if (cfg(priv)->bt_params && + cfg(priv)->bt_params->advanced_bt_coexist) { /* * Tell uCode we are ready to perform calibration * need to perform this before any calibration * no need to close the envlope since we are going * to load the runtime uCode later. */ - ret = iwl_send_bt_env(trans, IWL_BT_COEX_ENV_OPEN, + ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); if (ret) return ret; } - ret = iwl_send_calib_cfg(trans); + ret = iwl_send_calib_cfg(priv); if (ret) return ret; @@ -344,21 +219,21 @@ int iwl_init_alive_start(struct iwl_trans *trans) * temperature offset calibration is only needed for runtime ucode, * so prepare the value now. */ - if (cfg(trans)->need_temp_offset_calib) { - if (cfg(trans)->temp_offset_v2) - return iwl_set_temperature_offset_calib_v2(trans); + if (cfg(priv)->need_temp_offset_calib) { + if (cfg(priv)->temp_offset_v2) + return iwl_set_temperature_offset_calib_v2(priv); else - return iwl_set_temperature_offset_calib(trans); + return iwl_set_temperature_offset_calib(priv); } return 0; } -static int iwl_send_wimax_coex(struct iwl_trans *trans) +static int iwl_send_wimax_coex(struct iwl_priv *priv) { struct iwl_wimax_coex_cmd coex_cmd; - if (cfg(trans)->base_params->support_wimax_coexist) { + if (cfg(priv)->base_params->support_wimax_coexist) { /* UnMask wake up src at associated sleep */ coex_cmd.flags = COEX_FLAGS_ASSOC_WA_UNMASK_MSK; @@ -377,7 +252,7 @@ static int iwl_send_wimax_coex(struct iwl_trans *trans) /* coexistence is disabled */ memset(&coex_cmd, 0, sizeof(coex_cmd)); } - return iwl_trans_send_cmd_pdu(trans, + return iwl_dvm_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD, CMD_SYNC, sizeof(coex_cmd), &coex_cmd); } @@ -404,64 +279,54 @@ static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = { 0, 0, 0, 0, 0, 0, 0 }; -void iwl_send_prio_tbl(struct iwl_trans *trans) +void iwl_send_prio_tbl(struct iwl_priv *priv) { struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd; memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl, sizeof(iwl_bt_prio_tbl)); - if (iwl_trans_send_cmd_pdu(trans, + if (iwl_dvm_send_cmd_pdu(priv, REPLY_BT_COEX_PRIO_TABLE, CMD_SYNC, sizeof(prio_tbl_cmd), &prio_tbl_cmd)) - IWL_ERR(trans, "failed to send BT prio tbl command\n"); + IWL_ERR(priv, "failed to send BT prio tbl command\n"); } -int iwl_send_bt_env(struct iwl_trans *trans, u8 action, u8 type) +int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type) { struct iwl_bt_coex_prot_env_cmd env_cmd; int ret; env_cmd.action = action; env_cmd.type = type; - ret = iwl_trans_send_cmd_pdu(trans, + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_COEX_PROT_ENV, CMD_SYNC, sizeof(env_cmd), &env_cmd); if (ret) - IWL_ERR(trans, "failed to send BT env command\n"); + IWL_ERR(priv, "failed to send BT env command\n"); return ret; } -static int iwl_alive_notify(struct iwl_trans *trans) +static int iwl_alive_notify(struct iwl_priv *priv) { - struct iwl_priv *priv = priv(trans); - struct iwl_rxon_context *ctx; int ret; - if (!priv->tx_cmd_pool) - priv->tx_cmd_pool = - kmem_cache_create("iwl_dev_cmd", - sizeof(struct iwl_device_cmd), - sizeof(void *), 0, NULL); + iwl_trans_fw_alive(trans(priv)); - if (!priv->tx_cmd_pool) - return -ENOMEM; + priv->passive_no_rx = false; + priv->transport_queue_stop = 0; - iwl_trans_tx_start(trans); - for_each_context(priv, ctx) - ctx->last_tx_rejected = false; - - ret = iwl_send_wimax_coex(trans); + ret = iwl_send_wimax_coex(priv); if (ret) return ret; if (!cfg(priv)->no_xtal_calib) { - ret = iwl_set_Xtal_calib(trans); + ret = iwl_set_Xtal_calib(priv); if (ret) return ret; } - return iwl_send_calib_results(trans); + return iwl_send_calib_results(priv); } @@ -470,23 +335,23 @@ static int iwl_alive_notify(struct iwl_trans *trans) * using sample data 100 bytes apart. If these sample points are good, * it's a pretty good bet that everything between them is good, too. */ -static int iwl_verify_inst_sparse(struct iwl_bus *bus, - struct fw_desc *fw_desc) +static int iwl_verify_sec_sparse(struct iwl_priv *priv, + const struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; u32 len = fw_desc->len; u32 val; u32 i; - IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len); + IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len); for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) { /* read data comes through single port, auto-incr addr */ /* NOTE: Use the debugless read so we don't flood kernel log * if IWL_DL_IO is set */ - iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR, - i + IWLAGN_RTC_INST_LOWER_BOUND); - val = iwl_read32(bus, HBUS_TARG_MEM_RDAT); + iwl_write_direct32(trans(priv), HBUS_TARG_MEM_RADDR, + i + fw_desc->offset); + val = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) return -EIO; } @@ -494,8 +359,8 @@ static int iwl_verify_inst_sparse(struct iwl_bus *bus, return 0; } -static void iwl_print_mismatch_inst(struct iwl_bus *bus, - struct fw_desc *fw_desc) +static void iwl_print_mismatch_sec(struct iwl_priv *priv, + const struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; u32 len = fw_desc->len; @@ -503,18 +368,18 @@ static void iwl_print_mismatch_inst(struct iwl_bus *bus, u32 offs; int errors = 0; - IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len); + IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len); - iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR, - IWLAGN_RTC_INST_LOWER_BOUND); + iwl_write_direct32(trans(priv), HBUS_TARG_MEM_RADDR, + fw_desc->offset); for (offs = 0; offs < len && errors < 20; offs += sizeof(u32), image++) { /* read data comes through single port, auto-incr addr */ - val = iwl_read32(bus, HBUS_TARG_MEM_RDAT); + val = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) { - IWL_ERR(bus, "uCode INST section at " + IWL_ERR(priv, "uCode INST section at " "offset 0x%x, is 0x%x, s/b 0x%x\n", offs, val, le32_to_cpu(*image)); errors++; @@ -526,24 +391,24 @@ static void iwl_print_mismatch_inst(struct iwl_bus *bus, * iwl_verify_ucode - determine which instruction image is in SRAM, * and verify its contents */ -static int iwl_verify_ucode(struct iwl_trans *trans, +static int iwl_verify_ucode(struct iwl_priv *priv, enum iwl_ucode_type ucode_type) { - struct fw_img *img = iwl_get_ucode_image(trans, ucode_type); + const struct fw_img *img = iwl_get_ucode_image(priv, ucode_type); if (!img) { - IWL_ERR(trans, "Invalid ucode requested (%d)\n", ucode_type); + IWL_ERR(priv, "Invalid ucode requested (%d)\n", ucode_type); return -EINVAL; } - if (!iwl_verify_inst_sparse(bus(trans), &img->code)) { - IWL_DEBUG_FW(trans, "uCode is good in inst SRAM\n"); + if (!iwl_verify_sec_sparse(priv, &img->sec[IWL_UCODE_SECTION_INST])) { + IWL_DEBUG_FW(priv, "uCode is good in inst SRAM\n"); return 0; } - IWL_ERR(trans, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n"); + IWL_ERR(priv, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n"); - iwl_print_mismatch_inst(bus(trans), &img->code); + iwl_print_mismatch_sec(priv, &img->sec[IWL_UCODE_SECTION_INST]); return -EIO; } @@ -552,137 +417,76 @@ struct iwl_alive_data { u8 subtype; }; -static void iwl_alive_fn(struct iwl_trans *trans, +static void iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, struct iwl_rx_packet *pkt, void *data) { + struct iwl_priv *priv = + container_of(notif_wait, struct iwl_priv, notif_wait); struct iwl_alive_data *alive_data = data; struct iwl_alive_resp *palive; - palive = &pkt->u.alive_frame; + palive = (void *)pkt->data; - IWL_DEBUG_FW(trans, "Alive ucode status 0x%08X revision " + IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision " "0x%01X 0x%01X\n", palive->is_valid, palive->ver_type, palive->ver_subtype); - trans->shrd->device_pointers.error_event_table = + priv->shrd->device_pointers.error_event_table = le32_to_cpu(palive->error_event_table_ptr); - trans->shrd->device_pointers.log_event_table = + priv->shrd->device_pointers.log_event_table = le32_to_cpu(palive->log_event_table_ptr); alive_data->subtype = palive->ver_subtype; alive_data->valid = palive->is_valid == UCODE_VALID_OK; } -/* notification wait support */ -void iwl_init_notification_wait(struct iwl_shared *shrd, - struct iwl_notification_wait *wait_entry, - u8 cmd, - void (*fn)(struct iwl_trans *trans, - struct iwl_rx_packet *pkt, - void *data), - void *fn_data) -{ - wait_entry->fn = fn; - wait_entry->fn_data = fn_data; - wait_entry->cmd = cmd; - wait_entry->triggered = false; - wait_entry->aborted = false; - - spin_lock_bh(&shrd->notif_wait_lock); - list_add(&wait_entry->list, &shrd->notif_waits); - spin_unlock_bh(&shrd->notif_wait_lock); -} - -int iwl_wait_notification(struct iwl_shared *shrd, - struct iwl_notification_wait *wait_entry, - unsigned long timeout) -{ - int ret; - - ret = wait_event_timeout(shrd->notif_waitq, - wait_entry->triggered || wait_entry->aborted, - timeout); - - spin_lock_bh(&shrd->notif_wait_lock); - list_del(&wait_entry->list); - spin_unlock_bh(&shrd->notif_wait_lock); - - if (wait_entry->aborted) - return -EIO; - - /* return value is always >= 0 */ - if (ret <= 0) - return -ETIMEDOUT; - return 0; -} - -void iwl_remove_notification(struct iwl_shared *shrd, - struct iwl_notification_wait *wait_entry) -{ - spin_lock_bh(&shrd->notif_wait_lock); - list_del(&wait_entry->list); - spin_unlock_bh(&shrd->notif_wait_lock); -} - -void iwl_abort_notification_waits(struct iwl_shared *shrd) -{ - unsigned long flags; - struct iwl_notification_wait *wait_entry; - - spin_lock_irqsave(&shrd->notif_wait_lock, flags); - list_for_each_entry(wait_entry, &shrd->notif_waits, list) - wait_entry->aborted = true; - spin_unlock_irqrestore(&shrd->notif_wait_lock, flags); - - wake_up_all(&shrd->notif_waitq); -} - #define UCODE_ALIVE_TIMEOUT HZ #define UCODE_CALIB_TIMEOUT (2*HZ) -int iwl_load_ucode_wait_alive(struct iwl_trans *trans, +int iwl_load_ucode_wait_alive(struct iwl_priv *priv, enum iwl_ucode_type ucode_type) { struct iwl_notification_wait alive_wait; struct iwl_alive_data alive_data; + const struct fw_img *fw; int ret; enum iwl_ucode_type old_type; - ret = iwl_trans_start_device(trans); - if (ret) - return ret; + old_type = priv->shrd->ucode_type; + priv->shrd->ucode_type = ucode_type; + fw = iwl_get_ucode_image(priv, ucode_type); - iwl_init_notification_wait(trans->shrd, &alive_wait, REPLY_ALIVE, - iwl_alive_fn, &alive_data); + priv->ucode_loaded = false; + + if (!fw) + return -EINVAL; - old_type = trans->shrd->ucode_type; - trans->shrd->ucode_type = ucode_type; + iwl_init_notification_wait(&priv->notif_wait, &alive_wait, REPLY_ALIVE, + iwl_alive_fn, &alive_data); - ret = iwl_load_given_ucode(trans, ucode_type); + ret = iwl_trans_start_fw(trans(priv), fw); if (ret) { - trans->shrd->ucode_type = old_type; - iwl_remove_notification(trans->shrd, &alive_wait); + priv->shrd->ucode_type = old_type; + iwl_remove_notification(&priv->notif_wait, &alive_wait); return ret; } - iwl_trans_kick_nic(trans); - /* * Some things may run in the background now, but we * just wait for the ALIVE notification here. */ - ret = iwl_wait_notification(trans->shrd, &alive_wait, + ret = iwl_wait_notification(&priv->notif_wait, &alive_wait, UCODE_ALIVE_TIMEOUT); if (ret) { - trans->shrd->ucode_type = old_type; + priv->shrd->ucode_type = old_type; return ret; } if (!alive_data.valid) { - IWL_ERR(trans, "Loaded ucode is not valid!\n"); - trans->shrd->ucode_type = old_type; + IWL_ERR(priv, "Loaded ucode is not valid!\n"); + priv->shrd->ucode_type = old_type; return -EIO; } @@ -692,9 +496,9 @@ int iwl_load_ucode_wait_alive(struct iwl_trans *trans, * skip it for WoWLAN. */ if (ucode_type != IWL_UCODE_WOWLAN) { - ret = iwl_verify_ucode(trans, ucode_type); + ret = iwl_verify_ucode(priv, ucode_type); if (ret) { - trans->shrd->ucode_type = old_type; + priv->shrd->ucode_type = old_type; return ret; } @@ -702,41 +506,43 @@ int iwl_load_ucode_wait_alive(struct iwl_trans *trans, msleep(5); } - ret = iwl_alive_notify(trans); + ret = iwl_alive_notify(priv); if (ret) { - IWL_WARN(trans, + IWL_WARN(priv, "Could not complete ALIVE transition: %d\n", ret); - trans->shrd->ucode_type = old_type; + priv->shrd->ucode_type = old_type; return ret; } + priv->ucode_loaded = true; + return 0; } -int iwl_run_init_ucode(struct iwl_trans *trans) +int iwl_run_init_ucode(struct iwl_priv *priv) { struct iwl_notification_wait calib_wait; int ret; - lockdep_assert_held(&trans->shrd->mutex); + lockdep_assert_held(&priv->mutex); /* No init ucode required? Curious, but maybe ok */ - if (!trans->ucode_init.code.len) + if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len) return 0; - if (trans->shrd->ucode_type != IWL_UCODE_NONE) + if (priv->init_ucode_run) return 0; - iwl_init_notification_wait(trans->shrd, &calib_wait, + iwl_init_notification_wait(&priv->notif_wait, &calib_wait, CALIBRATION_COMPLETE_NOTIFICATION, NULL, NULL); /* Will also start the device */ - ret = iwl_load_ucode_wait_alive(trans, IWL_UCODE_INIT); + ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT); if (ret) goto error; - ret = iwl_init_alive_start(trans); + ret = iwl_init_alive_start(priv); if (ret) goto error; @@ -744,15 +550,19 @@ int iwl_run_init_ucode(struct iwl_trans *trans) * Some things may run in the background now, but we * just wait for the calibration complete notification. */ - ret = iwl_wait_notification(trans->shrd, &calib_wait, + ret = iwl_wait_notification(&priv->notif_wait, &calib_wait, UCODE_CALIB_TIMEOUT); + if (!ret) + priv->init_ucode_run = true; goto out; error: - iwl_remove_notification(trans->shrd, &calib_wait); + iwl_remove_notification(&priv->notif_wait, &calib_wait); out: /* Whatever happened, stop the device */ - iwl_trans_stop_device(trans); + iwl_trans_stop_device(trans(priv)); + priv->ucode_loaded = false; + return ret; } |