diff options
| author | Kalle Valo <kvalo@codeaurora.org> | 2015-11-18 09:18:44 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-11-18 13:28:31 +0100 |
| commit | 33aca94d797d7a8b6b4911ba02060c4fa9a0c47d (patch) | |
| tree | 8f4b1ce7ac83e747763be157671c5885ed7376d9 /drivers/net/wireless/rt2x00/rt73usb.c | |
| parent | rsi: add vendor Kconfig entry (diff) | |
| download | linux-33aca94d797d7a8b6b4911ba02060c4fa9a0c47d.tar.xz linux-33aca94d797d7a8b6b4911ba02060c4fa9a0c47d.zip | |
rt2x00: move under ralink vendor directory
Part of reorganising wireless drivers directory and Kconfig.
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt73usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.c | 2548 |
1 files changed, 0 insertions, 2548 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c deleted file mode 100644 index 7081e13b4fd6..000000000000 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ /dev/null @@ -1,2548 +0,0 @@ -/* - Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> - <http://rt2x00.serialmonkey.com> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - 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, see <http://www.gnu.org/licenses/>. - */ - -/* - Module: rt73usb - Abstract: rt73usb device specific routines. - Supported chipsets: rt2571W & rt2671. - */ - -#include <linux/crc-itu-t.h> -#include <linux/delay.h> -#include <linux/etherdevice.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/usb.h> - -#include "rt2x00.h" -#include "rt2x00usb.h" -#include "rt73usb.h" - -/* - * Allow hardware encryption to be disabled. - */ -static bool modparam_nohwcrypt; -module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); -MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); - -/* - * Register access. - * All access to the CSR registers will go through the methods - * rt2x00usb_register_read and rt2x00usb_register_write. - * BBP and RF register require indirect register access, - * and use the CSR registers BBPCSR and RFCSR to achieve this. - * These indirect registers work with busy bits, - * and we will try maximal REGISTER_BUSY_COUNT times to access - * the register while taking a REGISTER_BUSY_DELAY us delay - * between each attampt. When the busy bit is still set at that time, - * the access attempt is considered to have failed, - * and we will print an error. - * The _lock versions must be used if you already hold the csr_mutex - */ -#define WAIT_FOR_BBP(__dev, __reg) \ - rt2x00usb_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg)) -#define WAIT_FOR_RF(__dev, __reg) \ - rt2x00usb_regbusy_read((__dev), PHY_CSR4, PHY_CSR4_BUSY, (__reg)) - -static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev, - const unsigned int word, const u8 value) -{ - u32 reg; - - mutex_lock(&rt2x00dev->csr_mutex); - - /* - * Wait until the BBP becomes available, afterwards we - * can safely write the new data into the register. - */ - if (WAIT_FOR_BBP(rt2x00dev, ®)) { - reg = 0; - rt2x00_set_field32(®, PHY_CSR3_VALUE, value); - rt2x00_set_field32(®, PHY_CSR3_REGNUM, word); - rt2x00_set_field32(®, PHY_CSR3_BUSY, 1); - rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 0); - - rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg); - } - - mutex_unlock(&rt2x00dev->csr_mutex); -} - -static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, - const unsigned int word, u8 *value) -{ - u32 reg; - - mutex_lock(&rt2x00dev->csr_mutex); - - /* - * Wait until the BBP becomes available, afterwards we - * can safely write the read request into the register. - * After the data has been written, we wait until hardware - * returns the correct value, if at any time the register - * doesn't become available in time, reg will be 0xffffffff - * which means we return 0xff to the caller. - */ - if (WAIT_FOR_BBP(rt2x00dev, ®)) { - reg = 0; - rt2x00_set_field32(®, PHY_CSR3_REGNUM, word); - rt2x00_set_field32(®, PHY_CSR3_BUSY, 1); - rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 1); - - rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg); - - WAIT_FOR_BBP(rt2x00dev, ®); - } - - *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE); - - mutex_unlock(&rt2x00dev->csr_mutex); -} - -static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev, - const unsigned int word, const u32 value) -{ - u32 reg; - - mutex_lock(&rt2x00dev->csr_mutex); - - /* - * Wait until the RF becomes available, afterwards we - * can safely write the new data into the register. - */ - if (WAIT_FOR_RF(rt2x00dev, ®)) { - reg = 0; - rt2x00_set_field32(®, PHY_CSR4_VALUE, value); - /* - * RF5225 and RF2527 contain 21 bits per RF register value, - * all others contain 20 bits. - */ - rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, - 20 + (rt2x00_rf(rt2x00dev, RF5225) || - rt2x00_rf(rt2x00dev, RF2527))); - rt2x00_set_field32(®, PHY_CSR4_IF_SELECT, 0); - rt2x00_set_field32(®, PHY_CSR4_BUSY, 1); - - rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR4, reg); - rt2x00_rf_write(rt2x00dev, word, value); - } - - mutex_unlock(&rt2x00dev->csr_mutex); -} - -#ifdef CONFIG_RT2X00_LIB_DEBUGFS -static const struct rt2x00debug rt73usb_rt2x00debug = { - .owner = THIS_MODULE, - .csr = { - .read = rt2x00usb_register_read, - .write = rt2x00usb_register_write, - .flags = RT2X00DEBUGFS_OFFSET, - .word_base = CSR_REG_BASE, - .word_size = sizeof(u32), - .word_count = CSR_REG_SIZE / sizeof(u32), - }, - .eeprom = { - .read = rt2x00_eeprom_read, - .write = rt2x00_eeprom_write, - .word_base = EEPROM_BASE, - .word_size = sizeof(u16), - .word_count = EEPROM_SIZE / sizeof(u16), - }, - .bbp = { - .read = rt73usb_bbp_read, - .write = rt73usb_bbp_write, - .word_base = BBP_BASE, - .word_size = sizeof(u8), - .word_count = BBP_SIZE / sizeof(u8), - }, - .rf = { - .read = rt2x00_rf_read, - .write = rt73usb_rf_write, - .word_base = RF_BASE, - .word_size = sizeof(u32), - .word_count = RF_SIZE / sizeof(u32), - }, -}; -#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ - -static int rt73usb_rfkill_poll(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - rt2x00usb_register_read(rt2x00dev, MAC_CSR13, ®); - return rt2x00_get_field32(reg, MAC_CSR13_VAL7); -} - -#ifdef CONFIG_RT2X00_LIB_LEDS -static void rt73usb_brightness_set(struct led_classdev *led_cdev, - enum led_brightness brightness) -{ - struct rt2x00_led *led = - container_of(led_cdev, struct rt2x00_led, led_dev); - unsigned int enabled = brightness != LED_OFF; - unsigned int a_mode = - (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ); - unsigned int bg_mode = - (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ); - - if (led->type == LED_TYPE_RADIO) { - rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, - MCU_LEDCS_RADIO_STATUS, enabled); - - rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL, - 0, led->rt2x00dev->led_mcu_reg, - REGISTER_TIMEOUT); - } else if (led->type == LED_TYPE_ASSOC) { - rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, - MCU_LEDCS_LINK_BG_STATUS, bg_mode); - rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, - MCU_LEDCS_LINK_A_STATUS, a_mode); - - rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL, - 0, led->rt2x00dev->led_mcu_reg, - REGISTER_TIMEOUT); - } else if (led->type == LED_TYPE_QUALITY) { - /* - * The brightness is divided into 6 levels (0 - 5), - * this means we need to convert the brightness - * argument into the matching level within that range. - */ - rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL, - brightness / (LED_FULL / 6), - led->rt2x00dev->led_mcu_reg, - REGISTER_TIMEOUT); - } -} - -static int rt73usb_blink_set(struct led_classdev *led_cdev, - unsigned long *delay_on, - unsigned long *delay_off) -{ - struct rt2x00_led *led = - container_of(led_cdev, struct rt2x00_led, led_dev); - u32 reg; - - rt2x00usb_register_read(led->rt2x00dev, MAC_CSR14, ®); - rt2x00_set_field32(®, MAC_CSR14_ON_PERIOD, *delay_on); - rt2x00_set_field32(®, MAC_CSR14_OFF_PERIOD, *delay_off); - rt2x00usb_register_write(led->rt2x00dev, MAC_CSR14, reg); - - return 0; -} - -static void rt73usb_init_led(struct rt2x00_dev *rt2x00dev, - struct rt2x00_led *led, - enum led_type type) -{ - led->rt2x00dev = rt2x00dev; - led->type = type; - led->led_dev.brightness_set = rt73usb_brightness_set; - led->led_dev.blink_set = rt73usb_blink_set; - led->flags = LED_INITIALIZED; -} -#endif /* CONFIG_RT2X00_LIB_LEDS */ - -/* - * Configuration handlers. - */ -static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_crypto *crypto, - struct ieee80211_key_conf *key) -{ - struct hw_key_entry key_entry; - struct rt2x00_field32 field; - u32 mask; - u32 reg; - - if (crypto->cmd == SET_KEY) { - /* - * rt2x00lib can't determine the correct free - * key_idx for shared keys. We have 1 register - * with key valid bits. The goal is simple, read - * the register, if that is full we have no slots - * left. - * Note that each BSS is allowed to have up to 4 - * shared keys, so put a mask over the allowed - * entries. - */ - mask = (0xf << crypto->bssidx); - - rt2x00usb_register_read(rt2x00dev, SEC_CSR0, ®); - reg &= mask; - - if (reg && reg == mask) - return -ENOSPC; - - key->hw_key_idx += reg ? ffz(reg) : 0; - - /* - * Upload key to hardware - */ - memcpy(key_entry.key, crypto->key, - sizeof(key_entry.key)); - memcpy(key_entry.tx_mic, crypto->tx_mic, - sizeof(key_entry.tx_mic)); - memcpy(key_entry.rx_mic, crypto->rx_mic, - sizeof(key_entry.rx_mic)); - - reg = SHARED_KEY_ENTRY(key->hw_key_idx); - rt2x00usb_register_multiwrite(rt2x00dev, reg, - &key_entry, sizeof(key_entry)); - - /* - * The cipher types are stored over 2 registers. - * bssidx 0 and 1 keys are stored in SEC_CSR1 and - * bssidx 1 and 2 keys are stored in SEC_CSR5. - * Using the correct defines correctly will cause overhead, - * so just calculate the correct offset. - */ - if (key->hw_key_idx < 8) { - field.bit_offset = (3 * key->hw_key_idx); - field.bit_mask = 0x7 << field.bit_offset; - - rt2x00usb_register_read(rt2x00dev, SEC_CSR1, ®); - rt2x00_set_field32(®, field, crypto->cipher); - rt2x00usb_register_write(rt2x00dev, SEC_CSR1, reg); - } else { - field.bit_offset = (3 * (key->hw_key_idx - 8)); - field.bit_mask = 0x7 << field.bit_offset; - - rt2x00usb_register_read(rt2x00dev, SEC_CSR5, ®); - rt2x00_set_field32(®, field, crypto->cipher); - rt2x00usb_register_write(rt2x00dev, SEC_CSR5, reg); - } - - /* - * The driver does not support the IV/EIV generation - * in hardware. However it doesn't support the IV/EIV - * inside the ieee80211 frame either, but requires it - * to be provided separately for the descriptor. - * rt2x00lib will cut the IV/EIV data out of all frames - * given to us by mac80211, but we must tell mac80211 - * to generate the IV/EIV data. - */ - key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - } - - /* - * SEC_CSR0 contains only single-bit fields to indicate - * a particular key is valid. Because using the FIELD32() - * defines directly will cause a lot of overhead we use - * a calculation to determine the correct bit directly. - */ - mask = 1 << key->hw_key_idx; - - rt2x00usb_register_read(rt2x00dev, SEC_CSR0, ®); - if (crypto->cmd == SET_KEY) - reg |= mask; - else if (crypto->cmd == DISABLE_KEY) - reg &= ~mask; - rt2x00usb_register_write(rt2x00dev, SEC_CSR0, reg); - - return 0; -} - -static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_crypto *crypto, - struct ieee80211_key_conf *key) -{ - struct hw_pairwise_ta_entry addr_entry; - struct hw_key_entry key_entry; - u32 mask; - u32 reg; - - if (crypto->cmd == SET_KEY) { - /* - * rt2x00lib can't determine the correct free - * key_idx for pairwise keys. We have 2 registers - * with key valid bits. The goal is simple, read - * the first register, if that is full move to - * the next register. - * When both registers are full, we drop the key, - * otherwise we use the first invalid entry. - */ - rt2x00usb_register_read(rt2x00dev, SEC_CSR2, ®); - if (reg && reg == ~0) { - key->hw_key_idx = 32; - rt2x00usb_register_read(rt2x00dev, SEC_CSR3, ®); - if (reg && reg == ~0) - return -ENOSPC; - } - - key->hw_key_idx += reg ? ffz(reg) : 0; - - /* - * Upload key to hardware - */ - memcpy(key_entry.key, crypto->key, - sizeof(key_entry.key)); - memcpy(key_entry.tx_mic, crypto->tx_mic, - sizeof(key_entry.tx_mic)); - memcpy(key_entry.rx_mic, crypto->rx_mic, - sizeof(key_entry.rx_mic)); - - reg = PAIRWISE_KEY_ENTRY(key->hw_key_idx); - rt2x00usb_register_multiwrite(rt2x00dev, reg, - &key_entry, sizeof(key_entry)); - - /* - * Send the address and cipher type to the hardware register. - */ - memset(&addr_entry, 0, sizeof(addr_entry)); - memcpy(&addr_entry, crypto->address, ETH_ALEN); - addr_entry.cipher = crypto->cipher; - - reg = PAIRWISE_TA_ENTRY(key->hw_key_idx); - rt2x00usb_register_multiwrite(rt2x00dev, reg, - &addr_entry, sizeof(addr_entry)); - - /* - * Enable pairwise lookup table for given BSS idx, - * without this received frames will not be decrypted - * by the hardware. - */ - rt2x00usb_register_read(rt2x00dev, SEC_CSR4, ®); - reg |= (1 << crypto->bssidx); - rt2x00usb_register_write(rt2x00dev, SEC_CSR4, reg); - - /* - * The driver does not support the IV/EIV generation - * in hardware. However it doesn't support the IV/EIV - * inside the ieee80211 frame either, but requires it - * to be provided separately for the descriptor. - * rt2x00lib will cut the IV/EIV data out of all frames - * given to us by mac80211, but we must tell mac80211 - * to generate the IV/EIV data. - */ - key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - } - - /* - * SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate - * a particular key is valid. Because using the FIELD32() - * defines directly will cause a lot of overhead we use - * a calculation to determine the correct bit directly. - */ - if (key->hw_key_idx < 32) { - mask = 1 << key->hw_key_idx; - - rt2x00usb_register_read(rt2x00dev, SEC_CSR2, ®); - if (crypto->cmd == SET_KEY) - reg |= mask; - else if (crypto->cmd == DISABLE_KEY) - reg &= ~mask; - rt2x00usb_register_write(rt2x00dev, SEC_CSR2, reg); - } else { - mask = 1 << (key->hw_key_idx - 32); - - rt2x00usb_register_read(rt2x00dev, SEC_CSR3, ®); - if (crypto->cmd == SET_KEY) - reg |= mask; - else if (crypto->cmd == DISABLE_KEY) - reg &= ~mask; - rt2x00usb_register_write(rt2x00dev, SEC_CSR3, reg); - } - - return 0; -} - -static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev, - const unsigned int filter_flags) -{ - u32 reg; - - /* - * Start configuration steps. - * Note that the version error will always be dropped - * and broadcast frames will always be accepted since - * there is no filter for it at this time. - */ - rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_DROP_CRC, - !(filter_flags & FIF_FCSFAIL)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_PHYSICAL, - !(filter_flags & FIF_PLCPFAIL)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL, - !(filter_flags & (FIF_CONTROL | FIF_PSPOLL))); - rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, 1); - rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS, - !rt2x00dev->intf_ap_count); - rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1); - rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST, - !(filter_flags & FIF_ALLMULTI)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_BROADCAST, 0); - rt2x00_set_field32(®, TXRX_CSR0_DROP_ACK_CTS, - !(filter_flags & FIF_CONTROL)); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg); -} - -static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev, - struct rt2x00_intf *intf, - struct rt2x00intf_conf *conf, - const unsigned int flags) -{ - u32 reg; - - if (flags & CONFIG_UPDATE_TYPE) { - /* - * Enable synchronisation. - */ - rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, ®); - rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, conf->sync); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); - } - - if (flags & CONFIG_UPDATE_MAC) { - reg = le32_to_cpu(conf->mac[1]); - rt2x00_set_field32(®, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff); - conf->mac[1] = cpu_to_le32(reg); - - rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR2, - conf->mac, sizeof(conf->mac)); - } - - if (flags & CONFIG_UPDATE_BSSID) { - reg = le32_to_cpu(conf->bssid[1]); - rt2x00_set_field32(®, MAC_CSR5_BSS_ID_MASK, 3); - conf->bssid[1] = cpu_to_le32(reg); - - rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR4, - conf->bssid, sizeof(conf->bssid)); - } -} - -static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_erp *erp, - u32 changed) -{ - u32 reg; - - rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, 0x32); - rt2x00_set_field32(®, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg); - - if (changed & BSS_CHANGED_ERP_PREAMBLE) { - rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, ®); - rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_ENABLE, 1); - rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, - !!erp->short_preamble); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg); - } - - if (changed & BSS_CHANGED_BASIC_RATES) - rt2x00usb_register_write(rt2x00dev, TXRX_CSR5, - erp->basic_rates); - - if (changed & BSS_CHANGED_BEACON_INT) { - rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, ®); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL, - erp->beacon_int * 16); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); - } - - if (changed & BSS_CHANGED_ERP_SLOT) { - rt2x00usb_register_read(rt2x00dev, MAC_CSR9, ®); - rt2x00_set_field32(®, MAC_CSR9_SLOT_TIME, erp->slot_time); - rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg); - - rt2x00usb_register_read(rt2x00dev, MAC_CSR8, ®); - rt2x00_set_field32(®, MAC_CSR8_SIFS, erp->sifs); - rt2x00_set_field32(®, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3); - rt2x00_set_field32(®, MAC_CSR8_EIFS, erp->eifs); - rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg); - } -} - -static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev, - struct antenna_setup *ant) -{ - u8 r3; - u8 r4; - u8 r77; - u8 temp; - - rt73usb_bbp_read(rt2x00dev, 3, &r3); - rt73usb_bbp_read(rt2x00dev, 4, &r4); - rt73usb_bbp_read(rt2x00dev, 77, &r77); - - rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0); - - /* - * Configure the RX antenna. - */ - switch (ant->rx) { - case ANTENNA_HW_DIVERSITY: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2); - temp = !rt2x00_has_cap_frame_type(rt2x00dev) && - (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, temp); - break; - case ANTENNA_A: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); - if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) - rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); - else - rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); - break; - case ANTENNA_B: - default: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); - if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) - rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); - else - rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); - break; - } - - rt73usb_bbp_write(rt2x00dev, 77, r77); - rt73usb_bbp_write(rt2x00dev, 3, r3); - rt73usb_bbp_write(rt2x00dev, 4, r4); -} - -static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev, - struct antenna_setup *ant) -{ - u8 r3; - u8 r4; - u8 r77; - - rt73usb_bbp_read(rt2x00dev, 3, &r3); - rt73usb_bbp_read(rt2x00dev, 4, &r4); - rt73usb_bbp_read(rt2x00dev, 77, &r77); - - rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, - !rt2x00_has_cap_frame_type(rt2x00dev)); - - /* - * Configure the RX antenna. - */ - switch (ant->rx) { - case ANTENNA_HW_DIVERSITY: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2); - break; - case ANTENNA_A: - rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); - break; - case ANTENNA_B: - default: - rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); - break; - } - - rt73usb_bbp_write(rt2x00dev, 77, r77); - rt73usb_bbp_write(rt2x00dev, 3, r3); - rt73usb_bbp_write(rt2x00dev, 4, r4); -} - -struct antenna_sel { - u8 word; - /* - * value[0] -> non-LNA - * value[1] -> LNA - */ - u8 value[2]; -}; - -static const struct antenna_sel antenna_sel_a[] = { - { 96, { 0x58, 0x78 } }, - { 104, { 0x38, 0x48 } }, - { 75, { 0xfe, 0x80 } }, - { 86, { 0xfe, 0x80 } }, - { 88, { 0xfe, 0x80 } }, - { 35, { 0x60, 0x60 } }, - { 97, { 0x58, 0x58 } }, - { 98, { 0x58, 0x58 } }, -}; - -static const struct antenna_sel antenna_sel_bg[] = { - { 96, { 0x48, 0x68 } }, - { 104, { 0x2c, 0x3c } }, - { 75, { 0xfe, 0x80 } }, - { 86, { 0xfe, 0x80 } }, - { 88, { 0xfe, 0x80 } }, - { 35, { 0x50, 0x50 } }, - { 97, { 0x48, 0x48 } }, - { 98, { 0x48, 0x48 } }, -}; - -static void rt73usb_config_ant(struct rt2x00_dev *rt2x00dev, - struct antenna_setup *ant) -{ - const struct antenna_sel *sel; - unsigned int lna; - unsigned int i; - u32 reg; - - /* - * We should never come here because rt2x00lib is supposed - * to catch this and send us the correct antenna explicitely. - */ - BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY || - ant->tx == ANTENNA_SW_DIVERSITY); - - if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) { - sel = antenna_sel_a; - lna = rt2x00_has_cap_external_lna_a(rt2x00dev); - } else { - sel = antenna_sel_bg; - lna = rt2x00_has_cap_external_lna_bg(rt2x00dev); - } - - for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++) - rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]); - - rt2x00usb_register_read(rt2x00dev, PHY_CSR0, ®); - - rt2x00_set_field32(®, PHY_CSR0_PA_PE_BG, - (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ)); - rt2x00_set_field32(®, PHY_CSR0_PA_PE_A, - (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)); - - rt2x00usb_register_write(rt2x00dev, PHY_CSR0, reg); - - if (rt2x00_rf(rt2x00dev, RF5226) || rt2x00_rf(rt2x00dev, RF5225)) - rt73usb_config_antenna_5x(rt2x00dev, ant); - else if (rt2x00_rf(rt2x00dev, RF2528) || rt2x00_rf(rt2x00dev, RF2527)) - rt73usb_config_antenna_2x(rt2x00dev, ant); -} - -static void rt73usb_config_lna_gain(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_conf *libconf) -{ - u16 eeprom; - short lna_gain = 0; - - if (libconf->conf->chandef.chan->band == IEEE80211_BAND_2GHZ) { - if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) - lna_gain += 14; - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom); - lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1); - } else { - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom); - lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1); - } - - rt2x00dev->lna_gain = lna_gain; -} - -static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev, - struct rf_channel *rf, const int txpower) -{ - u8 r3; - u8 r94; - u8 smart; - - rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); - rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset); - - smart = !(rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527)); - - rt73usb_bbp_read(rt2x00dev, 3, &r3); - rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart); - rt73usb_bbp_write(rt2x00dev, 3, r3); - - r94 = 6; - if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94)) - r94 += txpower - MAX_TXPOWER; - else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94)) - r94 += txpower; - rt73usb_bbp_write(rt2x00dev, 94, r94); - - rt73usb_rf_write(rt2x00dev, 1, rf->rf1); - rt73usb_rf_write(rt2x00dev, 2, rf->rf2); - rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); - rt73usb_rf_write(rt2x00dev, 4, rf->rf4); - - rt73usb_rf_write(rt2x00dev, 1, rf->rf1); - rt73usb_rf_write(rt2x00dev, 2, rf->rf2); - rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004); - rt73usb_rf_write(rt2x00dev, 4, rf->rf4); - - rt73usb_rf_write(rt2x00dev, 1, rf->rf1); - rt73usb_rf_write(rt2x00dev, 2, rf->rf2); - rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); - rt73usb_rf_write(rt2x00dev, 4, rf->rf4); - - udelay(10); -} - -static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev, - const int txpower) -{ - struct rf_channel rf; - - rt2x00_rf_read(rt2x00dev, 1, &rf.rf1); - rt2x00_rf_read(rt2x00dev, 2, &rf.rf2); - rt2x00_rf_read(rt2x00dev, 3, &rf.rf3); - rt2x00_rf_read(rt2x00dev, 4, &rf.rf4); - - rt73usb_config_channel(rt2x00dev, &rf, txpower); -} - -static void rt73usb_config_retry_limit(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_conf *libconf) -{ - u32 reg; - - rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, ®); - rt2x00_set_field32(®, TXRX_CSR4_OFDM_TX_RATE_DOWN, 1); - rt2x00_set_field32(®, TXRX_CSR4_OFDM_TX_RATE_STEP, 0); - rt2x00_set_field32(®, TXRX_CSR4_OFDM_TX_FALLBACK_CCK, 0); - rt2x00_set_field32(®, TXRX_CSR4_LONG_RETRY_LIMIT, - libconf->conf->long_frame_max_tx_count); - rt2x00_set_field32(®, TXRX_CSR4_SHORT_RETRY_LIMIT, - libconf->conf->short_frame_max_tx_count); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg); -} - -static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_conf *libconf) -{ - enum dev_state state = - (libconf->conf->flags & IEEE80211_CONF_PS) ? - STATE_SLEEP : STATE_AWAKE; - u32 reg; - - if (state == STATE_SLEEP) { - rt2x00usb_register_read(rt2x00dev, MAC_CSR11, ®); - rt2x00_set_field32(®, MAC_CSR11_DELAY_AFTER_TBCN, - rt2x00dev->beacon_int - 10); - rt2x00_set_field32(®, MAC_CSR11_TBCN_BEFORE_WAKEUP, - libconf->conf->listen_interval - 1); - rt2x00_set_field32(®, MAC_CSR11_WAKEUP_LATENCY, 5); - - /* We must first disable autowake before it can be enabled */ - rt2x00_set_field32(®, MAC_CSR11_AUTOWAKE, 0); - rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg); - - rt2x00_set_field32(®, MAC_CSR11_AUTOWAKE, 1); - rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg); - - rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, - USB_MODE_SLEEP, REGISTER_TIMEOUT); - } else { - rt2x00usb_register_read(rt2x00dev, MAC_CSR11, ®); - rt2x00_set_field32(®, MAC_CSR11_DELAY_AFTER_TBCN, 0); - rt2x00_set_field32(®, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0); - rt2x00_set_field32(®, MAC_CSR11_AUTOWAKE, 0); - rt2x00_set_field32(®, MAC_CSR11_WAKEUP_LATENCY, 0); - rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg); - - rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, - USB_MODE_WAKEUP, REGISTER_TIMEOUT); - } -} - -static void rt73usb_config(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_conf *libconf, - const unsigned int flags) -{ - /* Always recalculate LNA gain before changing configuration */ - rt73usb_config_lna_gain(rt2x00dev, libconf); - - if (flags & IEEE80211_CONF_CHANGE_CHANNEL) - rt73usb_config_channel(rt2x00dev, &libconf->rf, - libconf->conf->power_level); - if ((flags & IEEE80211_CONF_CHANGE_POWER) && - !(flags & IEEE80211_CONF_CHANGE_CHANNEL)) - rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level); - if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS) - rt73usb_config_retry_limit(rt2x00dev, libconf); - if (flags & IEEE80211_CONF_CHANGE_PS) - rt73usb_config_ps(rt2x00dev, libconf); -} - -/* - * Link tuning - */ -static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev, - struct link_qual *qual) -{ - u32 reg; - - /* - * Update FCS error count from register. - */ - rt2x00usb_register_read(rt2x00dev, STA_CSR0, ®); - qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR); - - /* - * Update False CCA count from register. - */ - rt2x00usb_register_read(rt2x00dev, STA_CSR1, ®); - qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR); -} - -static inline void rt73usb_set_vgc(struct rt2x00_dev *rt2x00dev, - struct link_qual *qual, u8 vgc_level) -{ - if (qual->vgc_level != vgc_level) { - rt73usb_bbp_write(rt2x00dev, 17, vgc_level); - qual->vgc_level = vgc_level; - qual->vgc_level_reg = vgc_level; - } -} - -static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev, - struct link_qual *qual) -{ - rt73usb_set_vgc(rt2x00dev, qual, 0x20); -} - -static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev, - struct link_qual *qual, const u32 count) -{ - u8 up_bound; - u8 low_bound; - - /* - * Determine r17 bounds. - */ - if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) { - low_bound = 0x28; - up_bound = 0x48; - - if (rt2x00_has_cap_external_lna_a(rt2x00dev)) { - low_bound += 0x10; - up_bound += 0x10; - } - } else { - if (qual->rssi > -82) { - low_bound = 0x1c; - up_bound = 0x40; - } else if (qual->rssi > -84) { - low_bound = 0x1c; - up_bound = 0x20; - } else { - low_bound = 0x1c; - up_bound = 0x1c; - } - - if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { - low_bound += 0x14; - up_bound += 0x10; - } - } - - /* - * If we are not associated, we should go straight to the - * dynamic CCA tuning. - */ - if (!rt2x00dev->intf_associated) - goto dynamic_cca_tune; - - /* - * Special big-R17 for very short distance - */ - if (qual->rssi > -35) { - rt73usb_set_vgc(rt2x00dev, qual, 0x60); - return; - } - - /* - * Special big-R17 for short distance - */ - if (qual->rssi >= -58) { - rt73usb_set_vgc(rt2x00dev, qual, up_bound); - return; - } - - /* - * Special big-R17 for middle-short distance - */ - if (qual->rssi >= -66) { - rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x10); - return; - } - - /* - * Special mid-R17 for middle distance - */ - if (qual->rssi >= -74) { - rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x08); - return; - } - - /* - * Special case: Change up_bound based on the rssi. - * Lower up_bound when rssi is weaker then -74 dBm. - */ - up_bound -= 2 * (-74 - qual->rssi); - if (low_bound > up_bound) - up_bound = low_bound; - - if (qual->vgc_level > up_bound) { - rt73usb_set_vgc(rt2x00dev, qual, up_bound); - return; - } - -dynamic_cca_tune: - - /* - * r17 does not yet exceed upper limit, continue and base - * the r17 tuning on the false CCA count. - */ - if ((qual->false_cca > 512) && (qual->vgc_level < up_bound)) - rt73usb_set_vgc(rt2x00dev, qual, - min_t(u8, qual->vgc_level + 4, up_bound)); - else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound)) - rt73usb_set_vgc(rt2x00dev, qual, - max_t(u8, qual->vgc_level - 4, low_bound)); -} - -/* - * Queue handlers. - */ -static void rt73usb_start_queue(struct data_queue *queue) -{ - struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; - u32 reg; - - switch (queue->qid) { - case QID_RX: - rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, 0); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg); - break; - case QID_BEACON: - rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, ®); - rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); - rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); - break; - default: - break; - } -} - -static void rt73usb_stop_queue(struct data_queue *queue) -{ - struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; - u32 reg; - - switch (queue->qid) { - case QID_RX: - rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, 1); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg); - break; - case QID_BEACON: - rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, ®); - rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 0); - rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 0); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); - break; - default: - break; - } -} - -/* - * Firmware functions - */ -static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev) -{ - return FIRMWARE_RT2571; -} - -static int rt73usb_check_firmware(struct rt2x00_dev *rt2x00dev, - const u8 *data, const size_t len) -{ - u16 fw_crc; - u16 crc; - - /* - * Only support 2kb firmware files. - */ - if (len != 2048) - return FW_BAD_LENGTH; - - /* - * The last 2 bytes in the firmware array are the crc checksum itself, - * this means that we should never pass those 2 bytes to the crc - * algorithm. - */ - fw_crc = (data[len - 2] << 8 | data[len - 1]); - - /* - * Use the crc itu-t algorithm. - */ - crc = crc_itu_t(0, data, len - 2); - crc = crc_itu_t_byte(crc, 0); - crc = crc_itu_t_byte(crc, 0); - - return (fw_crc == crc) ? FW_OK : FW_BAD_CRC; -} - -static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, - const u8 *data, const size_t len) -{ - unsigned int i; - int status; - u32 reg; - - /* - * Wait for stable hardware. - */ - for (i = 0; i < 100; i++) { - rt2x00usb_register_read(rt2x00dev, MAC_CSR0, ®); - if (reg) - break; - msleep(1); - } - - if (!reg) { - rt2x00_err(rt2x00dev, "Unstable hardware\n"); - return -EBUSY; - } - - /* - * Write firmware to device. - */ - rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, data, len); - - /* - * Send firmware request to device to load firmware, - * we need to specify a long timeout time. - */ - status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, - 0, USB_MODE_FIRMWARE, - REGISTER_TIMEOUT_FIRMWARE); - if (status < 0) { - rt2x00_err(rt2x00dev, "Failed to write Firmware to device\n"); - return status; - } - - return 0; -} - -/* - * Initialization functions. - */ -static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_AUTO_TX_SEQ, 1); - rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, 0); - rt2x00_set_field32(®, TXRX_CSR0_TX_WITHOUT_WAITING, 0); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg); - - rt2x00usb_register_read(rt2x00dev, TXRX_CSR1, ®); - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */ - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID0_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID1, 30); /* Rssi */ - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID1_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */ - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID2_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID3, 30); /* Rssi */ - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID3_VALID, 1); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR1, reg); - - /* - * CCK TXD BBP registers - */ - rt2x00usb_register_read(rt2x00dev, TXRX_CSR2, ®); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID0, 13); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID0_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID1, 12); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID1_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID2, 11); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID2_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID3, 10); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID3_VALID, 1); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR2, reg); - - /* - * OFDM TXD BBP registers - */ - rt2x00usb_register_read(rt2x00dev, TXRX_CSR3, ®); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID0, 7); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID0_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID1, 6); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID1_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID2, 5); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID2_VALID, 1); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR3, reg); - - rt2x00usb_register_read(rt2x00dev, TXRX_CSR7, ®); - rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_6MBS, 59); - rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_9MBS, 53); - rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_12MBS, 49); - rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_18MBS, 46); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR7, reg); - - rt2x00usb_register_read(rt2x00dev, TXRX_CSR8, ®); - rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_24MBS, 44); - rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_36MBS, 42); - rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_48MBS, 42); - rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_54MBS, 42); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR8, reg); - - rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, ®); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL, 0); - rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 0); - rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, 0); - rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 0); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); - rt2x00_set_field32(®, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); - - rt2x00usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f); - - rt2x00usb_register_read(rt2x00dev, MAC_CSR6, ®); - rt2x00_set_field32(®, MAC_CSR6_MAX_FRAME_UNIT, 0xfff); - rt2x00usb_register_write(rt2x00dev, MAC_CSR6, reg); - - rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718); - - if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) - return -EBUSY; - - rt2x00usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00); - - /* - * Invalidate all Shared Keys (SEC_CSR0), - * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5) - */ - rt2x00usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000); - rt2x00usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000); - rt2x00usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000); - - reg = 0x000023b0; - if (rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527)) - rt2x00_set_field32(®, PHY_CSR1_RF_RPI, 1); - rt2x00usb_register_write(rt2x00dev, PHY_CSR1, reg); - - rt2x00usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06); - rt2x00usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606); - rt2x00usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408); - - rt2x00usb_register_read(rt2x00dev, MAC_CSR9, ®); - rt2x00_set_field32(®, MAC_CSR9_CW_SELECT, 0); - rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg); - - /* - * Clear all beacons - * For the Beacon base registers we only need to clear - * the first byte since that byte contains the VALID and OWNER - * bits which (when set to 0) will invalidate the entire beacon. - */ - rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0); - rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0); - rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0); - rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0); - - /* - * We must clear the error counters. - * These registers are cleared on read, - * so we may pass a useless variable to store the value. - */ - rt2x00usb_register_read(rt2x00dev, STA_CSR0, ®); - rt2x00usb_register_read(rt2x00dev, STA_CSR1, ®); - rt2x00usb_register_read(rt2x00dev, STA_CSR2, ®); - - /* - * Reset MAC and BBP registers. - */ - rt2x00usb_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 1); - rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 1); - rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg); - - rt2x00usb_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 0); - rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 0); - rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg); - - rt2x00usb_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field32(®, MAC_CSR1_HOST_READY, 1); - rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg); - - return 0; -} - -static int rt73usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) -{ - unsigned int i; - u8 value; - - for (i = 0; i < REGISTER_USB_BUSY_COUNT; i++) { - rt73usb_bbp_read(rt2x00dev, 0, &value); - if ((value != 0xff) && (value != 0x00)) - return 0; - udelay(REGISTER_BUSY_DELAY); - } - - rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n"); - return -EACCES; -} - -static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev) -{ - unsigned int i; - u16 eeprom; - u8 reg_id; - u8 value; - - if (unlikely(rt73usb_wait_bbp_ready(rt2x00dev))) - return -EACCES; - - rt73usb_bbp_write(rt2x00dev, 3, 0x80); - rt73usb_bbp_write(rt2x00dev, 15, 0x30); - rt73usb_bbp_write(rt2x00dev, 21, 0xc8); - rt73usb_bbp_write(rt2x00dev, 22, 0x38); - rt73usb_bbp_write(rt2x00dev, 23, 0x06); - rt73usb_bbp_write(rt2x00dev, 24, 0xfe); - rt73usb_bbp_write(rt2x00dev, 25, 0x0a); - rt73usb_bbp_write(rt2x00dev, 26, 0x0d); - rt73usb_bbp_write(rt2x00dev, 32, 0x0b); - rt73usb_bbp_write(rt2x00dev, 34, 0x12); - rt73usb_bbp_write(rt2x00dev, 37, 0x07); - rt73usb_bbp_write(rt2x00dev, 39, 0xf8); - rt73usb_bbp_write(rt2x00dev, 41, 0x60); - rt73usb_bbp_write(rt2x00dev, 53, 0x10); - rt73usb_bbp_write(rt2x00dev, 54, 0x18); - rt73usb_bbp_write(rt2x00dev, 60, 0x10); - rt73usb_bbp_write(rt2x00dev, 61, 0x04); - rt73usb_bbp_write(rt2x00dev, 62, 0x04); - rt73usb_bbp_write(rt2x00dev, 75, 0xfe); - rt73usb_bbp_write(rt2x00dev, 86, 0xfe); - rt73usb_bbp_write(rt2x00dev, 88, 0xfe); - rt73usb_bbp_write(rt2x00dev, 90, 0x0f); - rt73usb_bbp_write(rt2x00dev, 99, 0x00); - rt73usb_bbp_write(rt2x00dev, 102, 0x16); - rt73usb_bbp_write(rt2x00dev, 107, 0x04); - - for (i = 0; i < EEPROM_BBP_SIZE; i++) { - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); - - if (eeprom != 0xffff && eeprom != 0x0000) { - reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); - value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); - rt73usb_bbp_write(rt2x00dev, reg_id, value); - } - } - - return 0; -} - -/* - * Device state switch handlers. - */ -static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev) -{ - /* - * Initialize all registers. - */ - if (unlikely(rt73usb_init_registers(rt2x00dev) || - rt73usb_init_bbp(rt2x00dev))) - return -EIO; - - return 0; -} - -static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev) -{ - rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818); - - /* - * Disable synchronisation. - */ - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, 0); - - rt2x00usb_disable_radio(rt2x00dev); -} - -static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) -{ - u32 reg, reg2; - unsigned int i; - char put_to_sleep; - - put_to_sleep = (state != STATE_AWAKE); - - rt2x00usb_register_read(rt2x00dev, MAC_CSR12, ®); - rt2x00_set_field32(®, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep); - rt2x00_set_field32(®, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep); - rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg); - - /* - * Device is not guaranteed to be in the requested state yet. - * We must wait until the register indicates that the - * device has entered the correct state. - */ - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2x00usb_register_read(rt2x00dev, MAC_CSR12, ®2); - state = rt2x00_get_field32(reg2, MAC_CSR12_BBP_CURRENT_STATE); - if (state == !put_to_sleep) - return 0; - rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg); - msleep(10); - } - - return -EBUSY; -} - -static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev, - enum dev_state state) -{ - int retval = 0; - - switch (state) { - case STATE_RADIO_ON: - retval = rt73usb_enable_radio(rt2x00dev); - break; - case STATE_RADIO_OFF: - rt73usb_disable_radio(rt2x00dev); - break; - case STATE_RADIO_IRQ_ON: - case STATE_RADIO_IRQ_OFF: - /* No support, but no error either */ - break; - case STATE_DEEP_SLEEP: - case STATE_SLEEP: - case STATE_STANDBY: - case STATE_AWAKE: - retval = rt73usb_set_state(rt2x00dev, state); - break; - default: - retval = -ENOTSUPP; - break; - } - - if (unlikely(retval)) - rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n", - state, retval); - - return retval; -} - -/* - * TX descriptor initialization - */ -static void rt73usb_write_tx_desc(struct queue_entry *entry, - struct txentry_desc *txdesc) -{ - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); - __le32 *txd = (__le32 *) entry->skb->data; - u32 word; - - /* - * Start writing the descriptor words. - */ - rt2x00_desc_read(txd, 0, &word); - rt2x00_set_field32(&word, TXD_W0_BURST, - test_bit(ENTRY_TXD_BURST, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_VALID, 1); - rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, - test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_ACK, - test_bit(ENTRY_TXD_ACK, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, - test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_OFDM, - (txdesc->rate_mode == RATE_MODE_OFDM)); - rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs); - rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, - test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, - test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_KEY_TABLE, - test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); - rt2x00_set_field32(&word, TXD_W0_BURST2, - test_bit(ENTRY_TXD_BURST, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher); - rt2x00_desc_write(txd, 0, word); - - rt2x00_desc_read(txd, 1, &word); - rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, entry->queue->qid); - rt2x00_set_field32(&word, TXD_W1_AIFSN, entry->queue->aifs); - rt2x00_set_field32(&word, TXD_W1_CWMIN, entry->queue->cw_min); - rt2x00_set_field32(&word, TXD_W1_CWMAX, entry->queue->cw_max); - rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset); - rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, - test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); - rt2x00_desc_write(txd, 1, word); - - rt2x00_desc_read(txd, 2, &word); - rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->u.plcp.signal); - rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->u.plcp.service); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, - txdesc->u.plcp.length_low); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, - txdesc->u.plcp.length_high); - rt2x00_desc_write(txd, 2, word); - - if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) { - _rt2x00_desc_write(txd, 3, skbdesc->iv[0]); - _rt2x00_desc_write(txd, 4, skbdesc->iv[1]); - } - - rt2x00_desc_read(txd, 5, &word); - rt2x00_set_field32(&word, TXD_W5_TX_POWER, - TXPOWER_TO_DEV(entry->queue->rt2x00dev->tx_power)); - rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1); - rt2x00_desc_write(txd, 5, word); - - /* - * Register descriptor details in skb frame descriptor. - */ - skbdesc->flags |= SKBDESC_DESC_IN_SKB; - skbdesc->desc = txd; - skbdesc->desc_len = TXD_DESC_SIZE; -} - -/* - * TX data initialization - */ -static void rt73usb_write_beacon(struct queue_entry *entry, - struct txentry_desc *txdesc) -{ - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - unsigned int beacon_base; - unsigned int padding_len; - u32 orig_reg, reg; - - /* - * Disable beaconing while we are reloading the beacon data, - * otherwise we might be sending out invalid data. - */ - rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, ®); - orig_reg = reg; - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); - - /* - * Add space for the descriptor in front of the skb. - */ - skb_push(entry->skb, TXD_DESC_SIZE); - memset(entry->skb->data, 0, TXD_DESC_SIZE); - - /* - * Write the TX descriptor for the beacon. - */ - rt73usb_write_tx_desc(entry, txdesc); - - /* - * Dump beacon to userspace through debugfs. - */ - rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb); - - /* - * Write entire beacon with descriptor and padding to register. - */ - padding_len = roundup(entry->skb->len, 4) - entry->skb->len; - if (padding_len && skb_pad(entry->skb, padding_len)) { - rt2x00_err(rt2x00dev, "Failure padding beacon, aborting\n"); - /* skb freed by skb_pad() on failure */ - entry->skb = NULL; - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, orig_reg); - return; - } - - beacon_base = HW_BEACON_OFFSET(entry->entry_idx); - rt2x00usb_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data, - entry->skb->len + padding_len); - - /* - * Enable beaconing again. - * - * For Wi-Fi faily generated beacons between participating stations. - * Set TBTT phase adaptive adjustment step to 8us (default 16us) - */ - rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); - - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); - - /* - * Clean up the beacon skb. - */ - dev_kfree_skb(entry->skb); - entry->skb = NULL; -} - -static void rt73usb_clear_beacon(struct queue_entry *entry) -{ - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - unsigned int beacon_base; - u32 orig_reg, reg; - - /* - * Disable beaconing while we are reloading the beacon data, - * otherwise we might be sending out invalid data. - */ - rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &orig_reg); - reg = orig_reg; - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); - - /* - * Clear beacon. - */ - beacon_base = HW_BEACON_OFFSET(entry->entry_idx); - rt2x00usb_register_write(rt2x00dev, beacon_base, 0); - - /* - * Restore beaconing state. - */ - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, orig_reg); -} - -static int rt73usb_get_tx_data_len(struct queue_entry *entry) -{ - int length; - - /* - * The length _must_ be a multiple of 4, - * but it must _not_ be a multiple of the USB packet size. - */ - length = roundup(entry->skb->len, 4); - length += (4 * !(length % entry->queue->usb_maxpacket)); - - return length; -} - -/* - * RX control handlers - */ -static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1) -{ - u8 offset = rt2x00dev->lna_gain; - u8 lna; - - lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA); - switch (lna) { - case 3: - offset += 90; - break; - case 2: - offset += 74; - break; - case 1: - offset += 64; - break; - default: - return 0; - } - - if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) { - if (rt2x00_has_cap_external_lna_a(rt2x00dev)) { - if (lna == 3 || lna == 2) - offset += 10; - } else { - if (lna == 3) - offset += 6; - else if (lna == 2) - offset += 8; - } - } - - return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset; -} - -static void rt73usb_fill_rxdone(struct queue_entry *entry, - struct rxdone_entry_desc *rxdesc) -{ - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); - __le32 *rxd = (__le32 *)entry->skb->data; - u32 word0; - u32 word1; - - /* - * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of - * frame data in rt2x00usb. - */ - memcpy(skbdesc->desc, rxd, skbdesc->desc_len); - rxd = (__le32 *)skbdesc->desc; - - /* - * It is now safe to read the descriptor on all architectures. - */ - rt2x00_desc_read(rxd, 0, &word0); - rt2x00_desc_read(rxd, 1, &word1); - - if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) - rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; - - rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); - rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); - - if (rxdesc->cipher != CIPHER_NONE) { - _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); - _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]); - rxdesc->dev_flags |= RXDONE_CRYPTO_IV; - - _rt2x00_desc_read(rxd, 4, &rxdesc->icv); - rxdesc->dev_flags |= RXDONE_CRYPTO_ICV; - - /* - * Hardware has stripped IV/EIV data from 802.11 frame during - * decryption. It has provided the data separately but rt2x00lib - * should decide if it should be reinserted. - */ - rxdesc->flags |= RX_FLAG_IV_STRIPPED; - - /* - * The hardware has already checked the Michael Mic and has - * stripped it from the frame. Signal this to mac80211. - */ - rxdesc->flags |= RX_FLAG_MMIC_STRIPPED; - - if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) - rxdesc->flags |= RX_FLAG_DECRYPTED; - else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) - rxdesc->flags |= RX_FLAG_MMIC_ERROR; - } - - /* - * Obtain the status about this packet. - * When frame was received with an OFDM bitrate, - * the signal is the PLCP value. If it was received with - * a CCK bitrate the signal is the rate in 100kbit/s. - */ - rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); - rxdesc->rssi = rt73usb_agc_to_rssi(rt2x00dev, word1); - rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); - - if (rt2x00_get_field32(word0, RXD_W0_OFDM)) - rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP; - else - rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE; - if (rt2x00_get_field32(word0, RXD_W0_MY_BSS)) - rxdesc->dev_flags |= RXDONE_MY_BSS; - - /* - * Set skb pointers, and update frame information. - */ - skb_pull(entry->skb, entry->queue->desc_size); - skb_trim(entry->skb, rxdesc->size); -} - -/* - * Device probe functions. - */ -static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) -{ - u16 word; - u8 *mac; - s8 value; - - rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); - - /* - * Start validation of the data that has been read. - */ - mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - eth_random_addr(mac); - rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); - rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, - ANTENNA_B); - rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, - ANTENNA_B); - rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5226); - rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); - rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); - rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_G, 0); - rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_A, 0); - rt2x00_set_field16(&word, EEPROM_LED_POLARITY_ACT, 0); - rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_0, 0); - rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_1, 0); - rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_2, 0); - rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_3, 0); - rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_4, 0); - rt2x00_set_field16(&word, EEPROM_LED_LED_MODE, - LED_MODE_DEFAULT); - rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word); - rt2x00_eeprom_dbg(rt2x00dev, "Led: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0); - rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word); - rt2x00_eeprom_dbg(rt2x00dev, "Freq: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0); - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word); - rt2x00_eeprom_dbg(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word); - } else { - value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1); - if (value < -10 || value > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0); - value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2); - if (value < -10 || value > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0); - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word); - rt2x00_eeprom_dbg(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word); - } else { - value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1); - if (value < -10 || value > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0); - value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2); - if (value < -10 || value > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word); - } - - return 0; -} - -static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - u16 value; - u16 eeprom; - - /* - * Read EEPROM word for configuration. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); - - /* - * Identify RF chipset. - */ - value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); - rt2x00usb_register_read(rt2x00dev, MAC_CSR0, ®); - rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET), - value, rt2x00_get_field32(reg, MAC_CSR0_REVISION)); - - if (!rt2x00_rt(rt2x00dev, RT2573) || (rt2x00_rev(rt2x00dev) == 0)) { - rt2x00_err(rt2x00dev, "Invalid RT chipset detected\n"); - return -ENODEV; - } - - if (!rt2x00_rf(rt2x00dev, RF5226) && - !rt2x00_rf(rt2x00dev, RF2528) && - !rt2x00_rf(rt2x00dev, RF5225) && - !rt2x00_rf(rt2x00dev, RF2527)) { - rt2x00_err(rt2x00dev, "Invalid RF chipset detected\n"); - return -ENODEV; - } - - /* - * Identify default antenna configuration. - */ - rt2x00dev->default_ant.tx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); - rt2x00dev->default_ant.rx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); - - /* - * Read the Frame type. - */ - if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE)) - __set_bit(CAPABILITY_FRAME_TYPE, &rt2x00dev->cap_flags); - - /* - * Detect if this device has an hardware controlled radio. - */ - if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) - __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags); - - /* - * Read frequency offset. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom); - rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET); - - /* - * Read external LNA informations. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); - - if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA)) { - __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags); - __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags); - } - - /* - * Store led settings, for correct led behaviour. - */ -#ifdef CONFIG_RT2X00_LIB_LEDS - rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom); - - rt73usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); - rt73usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); - if (value == LED_MODE_SIGNAL_STRENGTH) - rt73usb_init_led(rt2x00dev, &rt2x00dev->led_qual, - LED_TYPE_QUALITY); - - rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value); - rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_0)); - rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_1)); - rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_2)); - rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_3)); - rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_4)); - rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT, - rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT)); - rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_RDY_G)); - rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_RDY_A)); -#endif /* CONFIG_RT2X00_LIB_LEDS */ - - return 0; -} - -/* - * RF value list for RF2528 - * Supports: 2.4 GHz - */ -static const struct rf_channel rf_vals_bg_2528[] = { - { 1, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b }, - { 2, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f }, - { 3, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b }, - { 4, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f }, - { 5, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b }, - { 6, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f }, - { 7, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b }, - { 8, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f }, - { 9, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b }, - { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f }, - { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b }, - { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f }, - { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b }, - { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 }, -}; - -/* - * RF value list for RF5226 - * Supports: 2.4 GHz & 5.2 GHz - */ -static const struct rf_channel rf_vals_5226[] = { - { 1, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b }, - { 2, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f }, - { 3, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b }, - { 4, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f }, - { 5, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b }, - { 6, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f }, - { 7, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b }, - { 8, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f }, - { 9, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b }, - { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f }, - { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b }, - { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f }, - { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b }, - { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 }, - - /* 802.11 UNI / HyperLan 2 */ - { 36, 0x00002c0c, 0x0000099a, 0x00098255, 0x000fea23 }, - { 40, 0x00002c0c, 0x000009a2, 0x00098255, 0x000fea03 }, - { 44, 0x00002c0c, 0x000009a6, 0x00098255, 0x000fea0b }, - { 48, 0x00002c0c, 0x000009aa, 0x00098255, 0x000fea13 }, - { 52, 0x00002c0c, 0x000009ae, 0x00098255, 0x000fea1b }, - { 56, 0x00002c0c, 0x000009b2, 0x00098255, 0x000fea23 }, - { 60, 0x00002c0c, 0x000009ba, 0x00098255, 0x000fea03 }, - { 64, 0x00002c0c, 0x000009be, 0x00098255, 0x000fea0b }, - - /* 802.11 HyperLan 2 */ - { 100, 0x00002c0c, 0x00000a2a, 0x000b8255, 0x000fea03 }, - { 104, 0x00002c0c, 0x00000a2e, 0x000b8255, 0x000fea0b }, - { 108, 0x00002c0c, 0x00000a32, 0x000b8255, 0x000fea13 }, - { 112, 0x00002c0c, 0x00000a36, 0x000b8255, 0x000fea1b }, - { 116, 0x00002c0c, 0x00000a3a, 0x000b8255, 0x000fea23 }, - { 120, 0x00002c0c, 0x00000a82, 0x000b8255, 0x000fea03 }, - { 124, 0x00002c0c, 0x00000a86, 0x000b8255, 0x000fea0b }, - { 128, 0x00002c0c, 0x00000a8a, 0x000b8255, 0x000fea13 }, - { 132, 0x00002c0c, 0x00000a8e, 0x000b8255, 0x000fea1b }, - { 136, 0x00002c0c, 0x00000a92, 0x000b8255, 0x000fea23 }, - - /* 802.11 UNII */ - { 140, 0x00002c0c, 0x00000a9a, 0x000b8255, 0x000fea03 }, - { 149, 0x00002c0c, 0x00000aa2, 0x000b8255, 0x000fea1f }, - { 153, 0x00002c0c, 0x00000aa6, 0x000b8255, 0x000fea27 }, - { 157, 0x00002c0c, 0x00000aae, 0x000b8255, 0x000fea07 }, - { 161, 0x00002c0c, 0x00000ab2, 0x000b8255, 0x000fea0f }, - { 165, 0x00002c0c, 0x00000ab6, 0x000b8255, 0x000fea17 }, - - /* MMAC(Japan)J52 ch 34,38,42,46 */ - { 34, 0x00002c0c, 0x0008099a, 0x000da255, 0x000d3a0b }, - { 38, 0x00002c0c, 0x0008099e, 0x000da255, 0x000d3a13 }, - { 42, 0x00002c0c, 0x000809a2, 0x000da255, 0x000d3a1b }, - { 46, 0x00002c0c, 0x000809a6, 0x000da255, 0x000d3a23 }, -}; - -/* - * RF value list for RF5225 & RF2527 - * Supports: 2.4 GHz & 5.2 GHz - */ -static const struct rf_channel rf_vals_5225_2527[] = { - { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b }, - { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f }, - { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b }, - { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f }, - { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b }, - { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f }, - { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b }, - { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f }, - { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b }, - { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f }, - { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b }, - { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f }, - { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b }, - { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 }, - - /* 802.11 UNI / HyperLan 2 */ - { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 }, - { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 }, - { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b }, - { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 }, - { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b }, - { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 }, - { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 }, - { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b }, - - /* 802.11 HyperLan 2 */ - { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 }, - { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b }, - { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 }, - { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b }, - { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 }, - { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 }, - { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b }, - { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 }, - { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b }, - { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 }, - - /* 802.11 UNII */ - { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 }, - { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f }, - { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 }, - { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 }, - { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f }, - { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 }, - - /* MMAC(Japan)J52 ch 34,38,42,46 */ - { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b }, - { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 }, - { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b }, - { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 }, -}; - - -static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) -{ - struct hw_mode_spec *spec = &rt2x00dev->spec; - struct channel_info *info; - char *tx_power; - unsigned int i; - - /* - * Initialize all hw fields. - * - * Don't set IEEE80211_HOST_BROADCAST_PS_BUFFERING unless we are - * capable of sending the buffered frames out after the DTIM - * transmission using rt2x00lib_beacondone. This will send out - * multicast and broadcast traffic immediately instead of buffering it - * infinitly and thus dropping it after some time. - */ - ieee80211_hw_set(rt2x00dev->hw, PS_NULLFUNC_STACK); - ieee80211_hw_set(rt2x00dev->hw, SIGNAL_DBM); - ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_PS); - - SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); - SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, - rt2x00_eeprom_addr(rt2x00dev, - EEPROM_MAC_ADDR_0)); - - /* - * Initialize hw_mode information. - */ - spec->supported_bands = SUPPORT_BAND_2GHZ; - spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; - - if (rt2x00_rf(rt2x00dev, RF2528)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528); - spec->channels = rf_vals_bg_2528; - } else if (rt2x00_rf(rt2x00dev, RF5226)) { - spec->supported_bands |= SUPPORT_BAND_5GHZ; - spec->num_channels = ARRAY_SIZE(rf_vals_5226); - spec->channels = rf_vals_5226; - } else if (rt2x00_rf(rt2x00dev, RF2527)) { - spec->num_channels = 14; - spec->channels = rf_vals_5225_2527; - } else if (rt2x00_rf(rt2x00dev, RF5225)) { - spec->supported_bands |= SUPPORT_BAND_5GHZ; - spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527); - spec->channels = rf_vals_5225_2527; - } - - /* - * Create channel information array - */ - info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL); - if (!info) - return -ENOMEM; - - spec->channels_info = info; - - tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START); - for (i = 0; i < 14; i++) { - info[i].max_power = MAX_TXPOWER; - info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]); - } - - if (spec->num_channels > 14) { - tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START); - for (i = 14; i < spec->num_channels; i++) { - info[i].max_power = MAX_TXPOWER; - info[i].default_power1 = - TXPOWER_FROM_DEV(tx_power[i - 14]); - } - } - - return 0; -} - -static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev) -{ - int retval; - u32 reg; - - /* - * Allocate eeprom data. - */ - retval = rt73usb_validate_eeprom(rt2x00dev); - if (retval) - return retval; - - retval = rt73usb_init_eeprom(rt2x00dev); - if (retval) - return retval; - - /* - * Enable rfkill polling by setting GPIO direction of the - * rfkill switch GPIO pin correctly. - */ - rt2x00usb_register_read(rt2x00dev, MAC_CSR13, ®); - rt2x00_set_field32(®, MAC_CSR13_DIR7, 0); - rt2x00usb_register_write(rt2x00dev, MAC_CSR13, reg); - - /* - * Initialize hw specifications. - */ - retval = rt73usb_probe_hw_mode(rt2x00dev); - if (retval) - return retval; - - /* - * This device has multiple filters for control frames, - * but has no a separate filter for PS Poll frames. - */ - __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags); - - /* - * This device requires firmware. - */ - __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags); - if (!modparam_nohwcrypt) - __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags); - __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags); - __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags); - - /* - * Set the rssi offset. - */ - rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; - - return 0; -} - -/* - * IEEE80211 stack callback functions. - */ -static int rt73usb_conf_tx(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, u16 queue_idx, - const struct ieee80211_tx_queue_params *params) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - struct data_queue *queue; - struct rt2x00_field32 field; - int retval; - u32 reg; - u32 offset; - - /* - * First pass the configuration through rt2x00lib, that will - * update the queue settings and validate the input. After that - * we are free to update the registers based on the value - * in the queue parameter. - */ - retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params); - if (retval) - return retval; - - /* - * We only need to perform additional register initialization - * for WMM queues/ - */ - if (queue_idx >= 4) - return 0; - - queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx); - - /* Update WMM TXOP register */ - offset = AC_TXOP_CSR0 + (sizeof(u32) * (!!(queue_idx & 2))); - field.bit_offset = (queue_idx & 1) * 16; - field.bit_mask = 0xffff << field.bit_offset; - - rt2x00usb_register_read(rt2x00dev, offset, ®); - rt2x00_set_field32(®, field, queue->txop); - rt2x00usb_register_write(rt2x00dev, offset, reg); - - /* Update WMM registers */ - field.bit_offset = queue_idx * 4; - field.bit_mask = 0xf << field.bit_offset; - - rt2x00usb_register_read(rt2x00dev, AIFSN_CSR, ®); - rt2x00_set_field32(®, field, queue->aifs); - rt2x00usb_register_write(rt2x00dev, AIFSN_CSR, reg); - - rt2x00usb_register_read(rt2x00dev, CWMIN_CSR, ®); - rt2x00_set_field32(®, field, queue->cw_min); - rt2x00usb_register_write(rt2x00dev, CWMIN_CSR, reg); - - rt2x00usb_register_read(rt2x00dev, CWMAX_CSR, ®); - rt2x00_set_field32(®, field, queue->cw_max); - rt2x00usb_register_write(rt2x00dev, CWMAX_CSR, reg); - - return 0; -} - -static u64 rt73usb_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - u64 tsf; - u32 reg; - - rt2x00usb_register_read(rt2x00dev, TXRX_CSR13, ®); - tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32; - rt2x00usb_register_read(rt2x00dev, TXRX_CSR12, ®); - tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER); - - return tsf; -} - -static const struct ieee80211_ops rt73usb_mac80211_ops = { - .tx = rt2x00mac_tx, - .start = rt2x00mac_start, - .stop = rt2x00mac_stop, - .add_interface = rt2x00mac_add_interface, - .remove_interface = rt2x00mac_remove_interface, - .config = rt2x00mac_config, - .configure_filter = rt2x00mac_configure_filter, - .set_tim = rt2x00mac_set_tim, - .set_key = rt2x00mac_set_key, - .sw_scan_start = rt2x00mac_sw_scan_start, - .sw_scan_complete = rt2x00mac_sw_scan_complete, - .get_stats = rt2x00mac_get_stats, - .bss_info_changed = rt2x00mac_bss_info_changed, - .conf_tx = rt73usb_conf_tx, - .get_tsf = rt73usb_get_tsf, - .rfkill_poll = rt2x00mac_rfkill_poll, - .flush = rt2x00mac_flush, - .set_antenna = rt2x00mac_set_antenna, - .get_antenna = rt2x00mac_get_antenna, - .get_ringparam = rt2x00mac_get_ringparam, - .tx_frames_pending = rt2x00mac_tx_frames_pending, -}; - -static const struct rt2x00lib_ops rt73usb_rt2x00_ops = { - .probe_hw = rt73usb_probe_hw, - .get_firmware_name = rt73usb_get_firmware_name, - .check_firmware = rt73usb_check_firmware, - .load_firmware = rt73usb_load_firmware, - .initialize = rt2x00usb_initialize, - .uninitialize = rt2x00usb_uninitialize, - .clear_entry = rt2x00usb_clear_entry, - .set_device_state = rt73usb_set_device_state, - .rfkill_poll = rt73usb_rfkill_poll, - .link_stats = rt73usb_link_stats, - .reset_tuner = rt73usb_reset_tuner, - .link_tuner = rt73usb_link_tuner, - .watchdog = rt2x00usb_watchdog, - .start_queue = rt73usb_start_queue, - .kick_queue = rt2x00usb_kick_queue, - .stop_queue = rt73usb_stop_queue, - .flush_queue = rt2x00usb_flush_queue, - .write_tx_desc = rt73usb_write_tx_desc, - .write_beacon = rt73usb_write_beacon, - .clear_beacon = rt73usb_clear_beacon, - .get_tx_data_len = rt73usb_get_tx_data_len, - .fill_rxdone = rt73usb_fill_rxdone, - .config_shared_key = rt73usb_config_shared_key, - .config_pairwise_key = rt73usb_config_pairwise_key, - .config_filter = rt73usb_config_filter, - .config_intf = rt73usb_config_intf, - .config_erp = rt73usb_config_erp, - .config_ant = rt73usb_config_ant, - .config = rt73usb_config, -}; - -static void rt73usb_queue_init(struct data_queue *queue) -{ - switch (queue->qid) { - case QID_RX: - queue->limit = 32; - queue->data_size = DATA_FRAME_SIZE; - queue->desc_size = RXD_DESC_SIZE; - queue->priv_size = sizeof(struct queue_entry_priv_usb); - break; - - case QID_AC_VO: - case QID_AC_VI: - case QID_AC_BE: - case QID_AC_BK: - queue->limit = 32; - queue->data_size = DATA_FRAME_SIZE; - queue->desc_size = TXD_DESC_SIZE; - queue->priv_size = sizeof(struct queue_entry_priv_usb); - break; - - case QID_BEACON: - queue->limit = 4; - queue->data_size = MGMT_FRAME_SIZE; - queue->desc_size = TXINFO_SIZE; - queue->priv_size = sizeof(struct queue_entry_priv_usb); - break; - - case QID_ATIM: - /* fallthrough */ - default: - BUG(); - break; - } -} - -static const struct rt2x00_ops rt73usb_ops = { - .name = KBUILD_MODNAME, - .max_ap_intf = 4, - .eeprom_size = EEPROM_SIZE, - .rf_size = RF_SIZE, - .tx_queues = NUM_TX_QUEUES, - .queue_init = rt73usb_queue_init, - .lib = &rt73usb_rt2x00_ops, - .hw = &rt73usb_mac80211_ops, -#ifdef CONFIG_RT2X00_LIB_DEBUGFS - .debugfs = &rt73usb_rt2x00debug, -#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ -}; - -/* - * rt73usb module information. - */ -static struct usb_device_id rt73usb_device_table[] = { - /* AboCom */ - { USB_DEVICE(0x07b8, 0xb21b) }, - { USB_DEVICE(0x07b8, 0xb21c) }, - { USB_DEVICE(0x07b8, 0xb21d) }, - { USB_DEVICE(0x07b8, 0xb21e) }, - { USB_DEVICE(0x07b8, 0xb21f) }, - /* AL */ - { USB_DEVICE(0x14b2, 0x3c10) }, - /* Amigo */ - { USB_DEVICE(0x148f, 0x9021) }, - { USB_DEVICE(0x0eb0, 0x9021) }, - /* AMIT */ - { USB_DEVICE(0x18c5, 0x0002) }, - /* Askey */ - { USB_DEVICE(0x1690, 0x0722) }, - /* ASUS */ - { USB_DEVICE(0x0b05, 0x1723) }, - { USB_DEVICE(0x0b05, 0x1724) }, - /* Belkin */ - { USB_DEVICE(0x050d, 0x7050) }, /* FCC ID: K7SF5D7050B ver. 3.x */ - { USB_DEVICE(0x050d, 0x705a) }, - { USB_DEVICE(0x050d, 0x905b) }, - { USB_DEVICE(0x050d, 0x905c) }, - /* Billionton */ - { USB_DEVICE(0x1631, 0xc019) }, - { USB_DEVICE(0x08dd, 0x0120) }, - /* Buffalo */ - { USB_DEVICE(0x0411, 0x00d8) }, - { USB_DEVICE(0x0411, 0x00d9) }, - { USB_DEVICE(0x0411, 0x00e6) }, - { USB_DEVICE(0x0411, 0x00f4) }, - { USB_DEVICE(0x0411, 0x0116) }, - { USB_DEVICE(0x0411, 0x0119) }, - { USB_DEVICE(0x0411, 0x0137) }, - /* CEIVA */ - { USB_DEVICE(0x178d, 0x02be) }, - /* CNet */ - { USB_DEVICE(0x1371, 0x9022) }, - { USB_DEVICE(0x1371, 0x9032) }, - /* Conceptronic */ - { USB_DEVICE(0x14b2, 0x3c22) }, - /* Corega */ - { USB_DEVICE(0x07aa, 0x002e) }, - /* D-Link */ - { USB_DEVICE(0x07d1, 0x3c03) }, - { USB_DEVICE(0x07d1, 0x3c04) }, - { USB_DEVICE(0x07d1, 0x3c06) }, - { USB_DEVICE(0x07d1, 0x3c07) }, - /* Edimax */ - { USB_DEVICE(0x7392, 0x7318) }, - { USB_DEVICE(0x7392, 0x7618) }, - /* EnGenius */ - { USB_DEVICE(0x1740, 0x3701) }, - /* Gemtek */ - { USB_DEVICE(0x15a9, 0x0004) }, - /* Gigabyte */ - { USB_DEVICE(0x1044, 0x8008) }, - { USB_DEVICE(0x1044, 0x800a) }, - /* Huawei-3Com */ - { USB_DEVICE(0x1472, 0x0009) }, - /* Hercules */ - { USB_DEVICE(0x06f8, 0xe002) }, - { USB_DEVICE(0x06f8, 0xe010) }, - { USB_DEVICE(0x06f8, 0xe020) }, - /* Linksys */ - { USB_DEVICE(0x13b1, 0x0020) }, - { USB_DEVICE(0x13b1, 0x0023) }, - { USB_DEVICE(0x13b1, 0x0028) }, - /* MSI */ - { USB_DEVICE(0x0db0, 0x4600) }, - { USB_DEVICE(0x0db0, 0x6877) }, - { USB_DEVICE(0x0db0, 0x6874) }, - { USB_DEVICE(0x0db0, 0xa861) }, - { USB_DEVICE(0x0db0, 0xa874) }, - /* Ovislink */ - { USB_DEVICE(0x1b75, 0x7318) }, - /* Ralink */ - { USB_DEVICE(0x04bb, 0x093d) }, - { USB_DEVICE(0x148f, 0x2573) }, - { USB_DEVICE(0x148f, 0x2671) }, - { USB_DEVICE(0x0812, 0x3101) }, - /* Qcom */ - { USB_DEVICE(0x18e8, 0x6196) }, - { USB_DEVICE(0x18e8, 0x6229) }, - { USB_DEVICE(0x18e8, 0x6238) }, - /* Samsung */ - { USB_DEVICE(0x04e8, 0x4471) }, - /* Senao */ - { USB_DEVICE(0x1740, 0x7100) }, - /* Sitecom */ - { USB_DEVICE(0x0df6, 0x0024) }, - { USB_DEVICE(0x0df6, 0x0027) }, - { USB_DEVICE(0x0df6, 0x002f) }, - { USB_DEVICE(0x0df6, 0x90ac) }, - { USB_DEVICE(0x0df6, 0x9712) }, - /* Surecom */ - { USB_DEVICE(0x0769, 0x31f3) }, - /* Tilgin */ - { USB_DEVICE(0x6933, 0x5001) }, - /* Philips */ - { USB_DEVICE(0x0471, 0x200a) }, - /* Planex */ - { USB_DEVICE(0x2019, 0xab01) }, - { USB_DEVICE(0x2019, 0xab50) }, - /* WideTell */ - { USB_DEVICE(0x7167, 0x3840) }, - /* Zcom */ - { USB_DEVICE(0x0cde, 0x001c) }, - /* ZyXEL */ - { USB_DEVICE(0x0586, 0x3415) }, - { 0, } -}; - -MODULE_AUTHOR(DRV_PROJECT); -MODULE_VERSION(DRV_VERSION); -MODULE_DESCRIPTION("Ralink RT73 USB Wireless LAN driver."); -MODULE_SUPPORTED_DEVICE("Ralink RT2571W & RT2671 USB chipset based cards"); -MODULE_DEVICE_TABLE(usb, rt73usb_device_table); -MODULE_FIRMWARE(FIRMWARE_RT2571); -MODULE_LICENSE("GPL"); - -static int rt73usb_probe(struct usb_interface *usb_intf, - const struct usb_device_id *id) -{ - return rt2x00usb_probe(usb_intf, &rt73usb_ops); -} - -static struct usb_driver rt73usb_driver = { - .name = KBUILD_MODNAME, - .id_table = rt73usb_device_table, - .probe = rt73usb_probe, - .disconnect = rt2x00usb_disconnect, - .suspend = rt2x00usb_suspend, - .resume = rt2x00usb_resume, - .reset_resume = rt2x00usb_resume, - .disable_hub_initiated_lpm = 1, -}; - -module_usb_driver(rt73usb_driver); |