| /* |
| Copyright (C) 2004 - 2008 rt2x00 SourceForge Project |
| <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, write to the |
| Free Software Foundation, Inc., |
| 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| /* |
| 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/init.h> |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/usb.h> |
| |
| #include "rt2x00.h" |
| #include "rt2x00usb.h" |
| #include "rt73usb.h" |
| |
| /* |
| * Register access. |
| * All access to the CSR registers will go through the methods |
| * rt73usb_register_read and rt73usb_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 usb_cache_mutex |
| */ |
| static inline void rt73usb_register_read(struct rt2x00_dev *rt2x00dev, |
| const unsigned int offset, u32 *value) |
| { |
| __le32 reg; |
| rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, |
| USB_VENDOR_REQUEST_IN, offset, |
| ®, sizeof(u32), REGISTER_TIMEOUT); |
| *value = le32_to_cpu(reg); |
| } |
| |
| static inline void rt73usb_register_read_lock(struct rt2x00_dev *rt2x00dev, |
| const unsigned int offset, u32 *value) |
| { |
| __le32 reg; |
| rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ, |
| USB_VENDOR_REQUEST_IN, offset, |
| ®, sizeof(u32), REGISTER_TIMEOUT); |
| *value = le32_to_cpu(reg); |
| } |
| |
| static inline void rt73usb_register_multiread(struct rt2x00_dev *rt2x00dev, |
| const unsigned int offset, |
| void *value, const u32 length) |
| { |
| rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, |
| USB_VENDOR_REQUEST_IN, offset, |
| value, length, |
| REGISTER_TIMEOUT32(length)); |
| } |
| |
| static inline void rt73usb_register_write(struct rt2x00_dev *rt2x00dev, |
| const unsigned int offset, u32 value) |
| { |
| __le32 reg = cpu_to_le32(value); |
| rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, |
| USB_VENDOR_REQUEST_OUT, offset, |
| ®, sizeof(u32), REGISTER_TIMEOUT); |
| } |
| |
| static inline void rt73usb_register_write_lock(struct rt2x00_dev *rt2x00dev, |
| const unsigned int offset, u32 value) |
| { |
| __le32 reg = cpu_to_le32(value); |
| rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE, |
| USB_VENDOR_REQUEST_OUT, offset, |
| ®, sizeof(u32), REGISTER_TIMEOUT); |
| } |
| |
| static inline void rt73usb_register_multiwrite(struct rt2x00_dev *rt2x00dev, |
| const unsigned int offset, |
| void *value, const u32 length) |
| { |
| rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, |
| USB_VENDOR_REQUEST_OUT, offset, |
| value, length, |
| REGISTER_TIMEOUT32(length)); |
| } |
| |
| static u32 rt73usb_bbp_check(struct rt2x00_dev *rt2x00dev) |
| { |
| u32 reg; |
| unsigned int i; |
| |
| for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
| rt73usb_register_read_lock(rt2x00dev, PHY_CSR3, ®); |
| if (!rt2x00_get_field32(reg, PHY_CSR3_BUSY)) |
| break; |
| udelay(REGISTER_BUSY_DELAY); |
| } |
| |
| return reg; |
| } |
| |
| static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev, |
| const unsigned int word, const u8 value) |
| { |
| u32 reg; |
| |
| mutex_lock(&rt2x00dev->usb_cache_mutex); |
| |
| /* |
| * Wait until the BBP becomes ready. |
| */ |
| reg = rt73usb_bbp_check(rt2x00dev); |
| if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) |
| goto exit_fail; |
| |
| /* |
| * Write the data into the BBP. |
| */ |
| 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); |
| |
| rt73usb_register_write_lock(rt2x00dev, PHY_CSR3, reg); |
| mutex_unlock(&rt2x00dev->usb_cache_mutex); |
| |
| return; |
| |
| exit_fail: |
| mutex_unlock(&rt2x00dev->usb_cache_mutex); |
| |
| ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n"); |
| } |
| |
| static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, |
| const unsigned int word, u8 *value) |
| { |
| u32 reg; |
| |
| mutex_lock(&rt2x00dev->usb_cache_mutex); |
| |
| /* |
| * Wait until the BBP becomes ready. |
| */ |
| reg = rt73usb_bbp_check(rt2x00dev); |
| if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) |
| goto exit_fail; |
| |
| /* |
| * Write the request into the BBP. |
| */ |
| reg = 0; |
| rt2x00_set_field32(®, PHY_CSR3_REGNUM, word); |
| rt2x00_set_field32(®, PHY_CSR3_BUSY, 1); |
| rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 1); |
| |
| rt73usb_register_write_lock(rt2x00dev, PHY_CSR3, reg); |
| |
| /* |
| * Wait until the BBP becomes ready. |
| */ |
| reg = rt73usb_bbp_check(rt2x00dev); |
| if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) |
| goto exit_fail; |
| |
| *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE); |
| mutex_unlock(&rt2x00dev->usb_cache_mutex); |
| |
| return; |
| |
| exit_fail: |
| mutex_unlock(&rt2x00dev->usb_cache_mutex); |
| |
| ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); |
| *value = 0xff; |
| } |
| |
| static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev, |
| const unsigned int word, const u32 value) |
| { |
| u32 reg; |
| unsigned int i; |
| |
| if (!word) |
| return; |
| |
| mutex_lock(&rt2x00dev->usb_cache_mutex); |
| |
| for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
| rt73usb_register_read_lock(rt2x00dev, PHY_CSR4, ®); |
| if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY)) |
| goto rf_write; |
| udelay(REGISTER_BUSY_DELAY); |
| } |
| |
| mutex_unlock(&rt2x00dev->usb_cache_mutex); |
| ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n"); |
| return; |
| |
| rf_write: |
| 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->chip, RF5225) || |
| rt2x00_rf(&rt2x00dev->chip, RF2527))); |
| rt2x00_set_field32(®, PHY_CSR4_IF_SELECT, 0); |
| rt2x00_set_field32(®, PHY_CSR4_BUSY, 1); |
| |
| rt73usb_register_write_lock(rt2x00dev, PHY_CSR4, reg); |
| rt2x00_rf_write(rt2x00dev, word, value); |
| mutex_unlock(&rt2x00dev->usb_cache_mutex); |
| } |
| |
| #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
| #define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) ) |
| |
| static void rt73usb_read_csr(struct rt2x00_dev *rt2x00dev, |
| const unsigned int word, u32 *data) |
| { |
| rt73usb_register_read(rt2x00dev, CSR_OFFSET(word), data); |
| } |
| |
| static void rt73usb_write_csr(struct rt2x00_dev *rt2x00dev, |
| const unsigned int word, u32 data) |
| { |
| rt73usb_register_write(rt2x00dev, CSR_OFFSET(word), data); |
| } |
| |
| static const struct rt2x00debug rt73usb_rt2x00debug = { |
| .owner = THIS_MODULE, |
| .csr = { |
| .read = rt73usb_read_csr, |
| .write = rt73usb_write_csr, |
| .word_size = sizeof(u32), |
| .word_count = CSR_REG_SIZE / sizeof(u32), |
| }, |
| .eeprom = { |
| .read = rt2x00_eeprom_read, |
| .write = rt2x00_eeprom_write, |
| .word_size = sizeof(u16), |
| .word_count = EEPROM_SIZE / sizeof(u16), |
| }, |
| .bbp = { |
| .read = rt73usb_bbp_read, |
| .write = rt73usb_bbp_write, |
| .word_size = sizeof(u8), |
| .word_count = BBP_SIZE / sizeof(u8), |
| }, |
| .rf = { |
| .read = rt2x00_rf_read, |
| .write = rt73usb_rf_write, |
| .word_size = sizeof(u32), |
| .word_count = RF_SIZE / sizeof(u32), |
| }, |
| }; |
| #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| |
| #ifdef CONFIG_RT73USB_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; |
| |
| rt73usb_register_read(led->rt2x00dev, MAC_CSR14, ®); |
| rt2x00_set_field32(®, MAC_CSR14_ON_PERIOD, *delay_on); |
| rt2x00_set_field32(®, MAC_CSR14_OFF_PERIOD, *delay_off); |
| rt73usb_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_RT73USB_LEDS */ |
| |
| /* |
| * Configuration handlers. |
| */ |
| 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. |
| */ |
| rt73usb_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)); |
| rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, |
| !(filter_flags & FIF_PROMISC_IN_BSS)); |
| rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS, |
| !(filter_flags & FIF_PROMISC_IN_BSS) && |
| !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)); |
| rt73usb_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) |
| { |
| unsigned int beacon_base; |
| u32 reg; |
| |
| if (flags & CONFIG_UPDATE_TYPE) { |
| /* |
| * Clear current synchronisation setup. |
| * 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. |
| */ |
| beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx); |
| rt73usb_register_write(rt2x00dev, beacon_base, 0); |
| |
| /* |
| * Enable synchronisation. |
| */ |
| rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®); |
| rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); |
| rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, conf->sync); |
| rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); |
| rt73usb_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); |
| |
| rt73usb_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); |
| |
| rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4, |
| conf->bssid, sizeof(conf->bssid)); |
| } |
| } |
| |
| static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev, |
| struct rt2x00lib_erp *erp) |
| { |
| u32 reg; |
| |
| rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®); |
| rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg); |
| |
| rt73usb_register_read(rt2x00dev, TXRX_CSR4, ®); |
| rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, |
| !!erp->short_preamble); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg); |
| } |
| |
| static void rt73usb_config_phymode(struct rt2x00_dev *rt2x00dev, |
| const int basic_rate_mask) |
| { |
| rt73usb_register_write(rt2x00dev, TXRX_CSR5, basic_rate_mask); |
| } |
| |
| 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->chip, RF5225) || |
| rt2x00_rf(&rt2x00dev->chip, 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_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 = !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags) |
| && (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, |
| !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)); |
| |
| /* |
| * 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_antenna(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 = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); |
| } else { |
| sel = antenna_sel_bg; |
| lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++) |
| rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]); |
| |
| rt73usb_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)); |
| |
| rt73usb_register_write(rt2x00dev, PHY_CSR0, reg); |
| |
| if (rt2x00_rf(&rt2x00dev->chip, RF5226) || |
| rt2x00_rf(&rt2x00dev->chip, RF5225)) |
| rt73usb_config_antenna_5x(rt2x00dev, ant); |
| else if (rt2x00_rf(&rt2x00dev->chip, RF2528) || |
| rt2x00_rf(&rt2x00dev->chip, RF2527)) |
| rt73usb_config_antenna_2x(rt2x00dev, ant); |
| } |
| |
| static void rt73usb_config_duration(struct rt2x00_dev *rt2x00dev, |
| struct rt2x00lib_conf *libconf) |
| { |
| u32 reg; |
| |
| rt73usb_register_read(rt2x00dev, MAC_CSR9, ®); |
| rt2x00_set_field32(®, MAC_CSR9_SLOT_TIME, libconf->slot_time); |
| rt73usb_register_write(rt2x00dev, MAC_CSR9, reg); |
| |
| rt73usb_register_read(rt2x00dev, MAC_CSR8, ®); |
| rt2x00_set_field32(®, MAC_CSR8_SIFS, libconf->sifs); |
| rt2x00_set_field32(®, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3); |
| rt2x00_set_field32(®, MAC_CSR8_EIFS, libconf->eifs); |
| rt73usb_register_write(rt2x00dev, MAC_CSR8, reg); |
| |
| rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®); |
| rt2x00_set_field32(®, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg); |
| |
| rt73usb_register_read(rt2x00dev, TXRX_CSR4, ®); |
| rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_ENABLE, 1); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg); |
| |
| rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®); |
| rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL, |
| libconf->conf->beacon_int * 16); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg); |
| } |
| |
| static void rt73usb_config(struct rt2x00_dev *rt2x00dev, |
| struct rt2x00lib_conf *libconf, |
| const unsigned int flags) |
| { |
| if (flags & CONFIG_UPDATE_PHYMODE) |
| rt73usb_config_phymode(rt2x00dev, libconf->basic_rates); |
| if (flags & CONFIG_UPDATE_CHANNEL) |
| rt73usb_config_channel(rt2x00dev, &libconf->rf, |
| libconf->conf->power_level); |
| if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL)) |
| rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level); |
| if (flags & CONFIG_UPDATE_ANTENNA) |
| rt73usb_config_antenna(rt2x00dev, &libconf->ant); |
| if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT)) |
| rt73usb_config_duration(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. |
| */ |
| rt73usb_register_read(rt2x00dev, STA_CSR0, ®); |
| qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR); |
| |
| /* |
| * Update False CCA count from register. |
| */ |
| rt73usb_register_read(rt2x00dev, STA_CSR1, ®); |
| qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR); |
| } |
| |
| static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev) |
| { |
| rt73usb_bbp_write(rt2x00dev, 17, 0x20); |
| rt2x00dev->link.vgc_level = 0x20; |
| } |
| |
| static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev) |
| { |
| int rssi = rt2x00_get_link_rssi(&rt2x00dev->link); |
| u8 r17; |
| u8 up_bound; |
| u8 low_bound; |
| |
| rt73usb_bbp_read(rt2x00dev, 17, &r17); |
| |
| /* |
| * Determine r17 bounds. |
| */ |
| if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) { |
| low_bound = 0x28; |
| up_bound = 0x48; |
| |
| if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) { |
| low_bound += 0x10; |
| up_bound += 0x10; |
| } |
| } else { |
| if (rssi > -82) { |
| low_bound = 0x1c; |
| up_bound = 0x40; |
| } else if (rssi > -84) { |
| low_bound = 0x1c; |
| up_bound = 0x20; |
| } else { |
| low_bound = 0x1c; |
| up_bound = 0x1c; |
| } |
| |
| if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) { |
| 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 (rssi > -35) { |
| if (r17 != 0x60) |
| rt73usb_bbp_write(rt2x00dev, 17, 0x60); |
| return; |
| } |
| |
| /* |
| * Special big-R17 for short distance |
| */ |
| if (rssi >= -58) { |
| if (r17 != up_bound) |
| rt73usb_bbp_write(rt2x00dev, 17, up_bound); |
| return; |
| } |
| |
| /* |
| * Special big-R17 for middle-short distance |
| */ |
| if (rssi >= -66) { |
| low_bound += 0x10; |
| if (r17 != low_bound) |
| rt73usb_bbp_write(rt2x00dev, 17, low_bound); |
| return; |
| } |
| |
| /* |
| * Special mid-R17 for middle distance |
| */ |
| if (rssi >= -74) { |
| if (r17 != (low_bound + 0x10)) |
| rt73usb_bbp_write(rt2x00dev, 17, 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 - rssi); |
| if (low_bound > up_bound) |
| up_bound = low_bound; |
| |
| if (r17 > up_bound) { |
| rt73usb_bbp_write(rt2x00dev, 17, 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 (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) { |
| r17 += 4; |
| if (r17 > up_bound) |
| r17 = up_bound; |
| rt73usb_bbp_write(rt2x00dev, 17, r17); |
| } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) { |
| r17 -= 4; |
| if (r17 < low_bound) |
| r17 = low_bound; |
| rt73usb_bbp_write(rt2x00dev, 17, r17); |
| } |
| } |
| |
| /* |
| * Firmware functions |
| */ |
| static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev) |
| { |
| return FIRMWARE_RT2571; |
| } |
| |
| static u16 rt73usb_get_firmware_crc(const void *data, const size_t len) |
| { |
| u16 crc; |
| |
| /* |
| * Use the crc itu-t algorithm. |
| * 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. |
| */ |
| crc = crc_itu_t(0, data, len - 2); |
| crc = crc_itu_t_byte(crc, 0); |
| crc = crc_itu_t_byte(crc, 0); |
| |
| return crc; |
| } |
| |
| static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data, |
| const size_t len) |
| { |
| unsigned int i; |
| int status; |
| u32 reg; |
| const char *ptr = data; |
| char *cache; |
| int buflen; |
| |
| /* |
| * Wait for stable hardware. |
| */ |
| for (i = 0; i < 100; i++) { |
| rt73usb_register_read(rt2x00dev, MAC_CSR0, ®); |
| if (reg) |
| break; |
| msleep(1); |
| } |
| |
| if (!reg) { |
| ERROR(rt2x00dev, "Unstable hardware.\n"); |
| return -EBUSY; |
| } |
| |
| /* |
| * Write firmware to device. |
| * We setup a seperate cache for this action, |
| * since we are going to write larger chunks of data |
| * then normally used cache size. |
| */ |
| cache = kmalloc(CSR_CACHE_SIZE_FIRMWARE, GFP_KERNEL); |
| if (!cache) { |
| ERROR(rt2x00dev, "Failed to allocate firmware cache.\n"); |
| return -ENOMEM; |
| } |
| |
| for (i = 0; i < len; i += CSR_CACHE_SIZE_FIRMWARE) { |
| buflen = min_t(int, len - i, CSR_CACHE_SIZE_FIRMWARE); |
| |
| memcpy(cache, ptr, buflen); |
| |
| rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE, |
| USB_VENDOR_REQUEST_OUT, |
| FIRMWARE_IMAGE_BASE + i, 0, |
| cache, buflen, |
| REGISTER_TIMEOUT32(buflen)); |
| |
| ptr += buflen; |
| } |
| |
| kfree(cache); |
| |
| /* |
| * 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) { |
| ERROR(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; |
| |
| rt73usb_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); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg); |
| |
| rt73usb_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); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR1, reg); |
| |
| /* |
| * CCK TXD BBP registers |
| */ |
| rt73usb_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); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR2, reg); |
| |
| /* |
| * OFDM TXD BBP registers |
| */ |
| rt73usb_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); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR3, reg); |
| |
| rt73usb_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); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR7, reg); |
| |
| rt73usb_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); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR8, reg); |
| |
| rt73usb_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); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg); |
| |
| rt73usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f); |
| |
| rt73usb_register_read(rt2x00dev, MAC_CSR6, ®); |
| rt2x00_set_field32(®, MAC_CSR6_MAX_FRAME_UNIT, 0xfff); |
| rt73usb_register_write(rt2x00dev, MAC_CSR6, reg); |
| |
| rt73usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718); |
| |
| if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) |
| return -EBUSY; |
| |
| rt73usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00); |
| |
| /* |
| * Invalidate all Shared Keys (SEC_CSR0), |
| * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5) |
| */ |
| rt73usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000); |
| rt73usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000); |
| rt73usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000); |
| |
| reg = 0x000023b0; |
| if (rt2x00_rf(&rt2x00dev->chip, RF5225) || |
| rt2x00_rf(&rt2x00dev->chip, RF2527)) |
| rt2x00_set_field32(®, PHY_CSR1_RF_RPI, 1); |
| rt73usb_register_write(rt2x00dev, PHY_CSR1, reg); |
| |
| rt73usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06); |
| rt73usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606); |
| rt73usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408); |
| |
| rt73usb_register_read(rt2x00dev, AC_TXOP_CSR0, ®); |
| rt2x00_set_field32(®, AC_TXOP_CSR0_AC0_TX_OP, 0); |
| rt2x00_set_field32(®, AC_TXOP_CSR0_AC1_TX_OP, 0); |
| rt73usb_register_write(rt2x00dev, AC_TXOP_CSR0, reg); |
| |
| rt73usb_register_read(rt2x00dev, AC_TXOP_CSR1, ®); |
| rt2x00_set_field32(®, AC_TXOP_CSR1_AC2_TX_OP, 192); |
| rt2x00_set_field32(®, AC_TXOP_CSR1_AC3_TX_OP, 48); |
| rt73usb_register_write(rt2x00dev, AC_TXOP_CSR1, reg); |
| |
| rt73usb_register_read(rt2x00dev, MAC_CSR9, ®); |
| rt2x00_set_field32(®, MAC_CSR9_CW_SELECT, 0); |
| rt73usb_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. |
| */ |
| rt73usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0); |
| rt73usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0); |
| rt73usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0); |
| rt73usb_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. |
| */ |
| rt73usb_register_read(rt2x00dev, STA_CSR0, ®); |
| rt73usb_register_read(rt2x00dev, STA_CSR1, ®); |
| rt73usb_register_read(rt2x00dev, STA_CSR2, ®); |
| |
| /* |
| * Reset MAC and BBP registers. |
| */ |
| rt73usb_register_read(rt2x00dev, MAC_CSR1, ®); |
| rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 1); |
| rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 1); |
| rt73usb_register_write(rt2x00dev, MAC_CSR1, reg); |
| |
| rt73usb_register_read(rt2x00dev, MAC_CSR1, ®); |
| rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 0); |
| rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 0); |
| rt73usb_register_write(rt2x00dev, MAC_CSR1, reg); |
| |
| rt73usb_register_read(rt2x00dev, MAC_CSR1, ®); |
| rt2x00_set_field32(®, MAC_CSR1_HOST_READY, 1); |
| rt73usb_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_BUSY_COUNT; i++) { |
| rt73usb_bbp_read(rt2x00dev, 0, &value); |
| if ((value != 0xff) && (value != 0x00)) |
| return 0; |
| udelay(REGISTER_BUSY_DELAY); |
| } |
| |
| ERROR(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 void rt73usb_toggle_rx(struct rt2x00_dev *rt2x00dev, |
| enum dev_state state) |
| { |
| u32 reg; |
| |
| rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®); |
| rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, |
| (state == STATE_RADIO_RX_OFF) || |
| (state == STATE_RADIO_RX_OFF_LINK)); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg); |
| } |
| |
| 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) |
| { |
| rt73usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818); |
| |
| /* |
| * Disable synchronisation. |
| */ |
| rt73usb_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; |
| unsigned int i; |
| char put_to_sleep; |
| |
| put_to_sleep = (state != STATE_AWAKE); |
| |
| rt73usb_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); |
| rt73usb_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++) { |
| rt73usb_register_read(rt2x00dev, MAC_CSR12, ®); |
| state = rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); |
| if (state == !put_to_sleep) |
| return 0; |
| 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_RX_ON: |
| case STATE_RADIO_RX_ON_LINK: |
| case STATE_RADIO_RX_OFF: |
| case STATE_RADIO_RX_OFF_LINK: |
| rt73usb_toggle_rx(rt2x00dev, state); |
| 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)) |
| ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", |
| state, retval); |
| |
| return retval; |
| } |
| |
| /* |
| * TX descriptor initialization |
| */ |
| static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, |
| struct sk_buff *skb, |
| struct txentry_desc *txdesc) |
| { |
| struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); |
| __le32 *txd = skbdesc->desc; |
| u32 word; |
| |
| /* |
| * Start writing the descriptor words. |
| */ |
| rt2x00_desc_read(txd, 1, &word); |
| rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue); |
| rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs); |
| rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min); |
| rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max); |
| rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER); |
| rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1); |
| rt2x00_desc_write(txd, 1, word); |
| |
| rt2x00_desc_read(txd, 2, &word); |
| rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal); |
| rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service); |
| rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low); |
| rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high); |
| rt2x00_desc_write(txd, 2, word); |
| |
| rt2x00_desc_read(txd, 5, &word); |
| rt2x00_set_field32(&word, TXD_W5_TX_POWER, |
| TXPOWER_TO_DEV(rt2x00dev->tx_power)); |
| rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1); |
| rt2x00_desc_write(txd, 5, word); |
| |
| 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, |
| test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags)); |
| rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->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, 0); |
| rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, |
| skb->len - skbdesc->desc_len); |
| rt2x00_set_field32(&word, TXD_W0_BURST2, |
| test_bit(ENTRY_TXD_BURST, &txdesc->flags)); |
| rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE); |
| rt2x00_desc_write(txd, 0, word); |
| } |
| |
| /* |
| * TX data initialization |
| */ |
| static void rt73usb_write_beacon(struct queue_entry *entry) |
| { |
| struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
| struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
| unsigned int beacon_base; |
| u32 reg; |
| |
| /* |
| * Add the descriptor in front of the skb. |
| */ |
| skb_push(entry->skb, entry->queue->desc_size); |
| memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len); |
| skbdesc->desc = entry->skb->data; |
| |
| /* |
| * Disable beaconing while we are reloading the beacon data, |
| * otherwise we might be sending out invalid data. |
| */ |
| rt73usb_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); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg); |
| |
| /* |
| * Write entire beacon with descriptor to register. |
| */ |
| beacon_base = HW_BEACON_OFFSET(entry->entry_idx); |
| rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE, |
| USB_VENDOR_REQUEST_OUT, beacon_base, 0, |
| entry->skb->data, entry->skb->len, |
| REGISTER_TIMEOUT32(entry->skb->len)); |
| |
| /* |
| * Clean up the beacon skb. |
| */ |
| dev_kfree_skb(entry->skb); |
| entry->skb = NULL; |
| } |
| |
| static int rt73usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev, |
| struct sk_buff *skb) |
| { |
| int length; |
| |
| /* |
| * The length _must_ be a multiple of 4, |
| * but it must _not_ be a multiple of the USB packet size. |
| */ |
| length = roundup(skb->len, 4); |
| length += (4 * !(length % rt2x00dev->usb_maxpacket)); |
| |
| return length; |
| } |
| |
| static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, |
| const enum data_queue_qid queue) |
| { |
| u32 reg; |
| |
| if (queue != QID_BEACON) { |
| rt2x00usb_kick_tx_queue(rt2x00dev, queue); |
| return; |
| } |
| |
| /* |
| * For Wi-Fi faily generated beacons between participating stations. |
| * Set TBTT phase adaptive adjustment step to 8us (default 16us) |
| */ |
| rt73usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); |
| |
| rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®); |
| if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) { |
| rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); |
| rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); |
| rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg); |
| } |
| } |
| |
| /* |
| * RX control handlers |
| */ |
| static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1) |
| { |
| u16 eeprom; |
| u8 offset; |
| 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->rx_status.band == IEEE80211_BAND_5GHZ) { |
| if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) { |
| if (lna == 3 || lna == 2) |
| offset += 10; |
| } else { |
| if (lna == 3) |
| offset += 6; |
| else if (lna == 2) |
| offset += 8; |
| } |
| |
| rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom); |
| offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1); |
| } else { |
| if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) |
| offset += 14; |
| |
| rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom); |
| offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1); |
| } |
| |
| 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 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; |
| |
| /* |
| * 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(entry->queue->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; |
| 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)) { |
| DECLARE_MAC_BUF(macbuf); |
| |
| random_ether_addr(mac); |
| EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, 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); |
| EEPROM(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); |
| EEPROM(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); |
| EEPROM(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); |
| EEPROM(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); |
| EEPROM(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); |
| EEPROM(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); |
| rt73usb_register_read(rt2x00dev, MAC_CSR0, ®); |
| rt2x00_set_chip(rt2x00dev, RT2571, value, reg); |
| |
| if (!rt2x00_check_rev(&rt2x00dev->chip, 0x25730)) { |
| ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); |
| return -ENODEV; |
| } |
| |
| if (!rt2x00_rf(&rt2x00dev->chip, RF5226) && |
| !rt2x00_rf(&rt2x00dev->chip, RF2528) && |
| !rt2x00_rf(&rt2x00dev->chip, RF5225) && |
| !rt2x00_rf(&rt2x00dev->chip, RF2527)) { |
| ERROR(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(CONFIG_FRAME_TYPE, &rt2x00dev->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(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); |
| __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); |
| } |
| |
| /* |
| * Store led settings, for correct led behaviour. |
| */ |
| #ifdef CONFIG_RT73USB_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_RT73USB_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 void rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) |
| { |
| struct hw_mode_spec *spec = &rt2x00dev->spec; |
| u8 *txpower; |
| unsigned int i; |
| |
| /* |
| * Initialize all hw fields. |
| */ |
| rt2x00dev->hw->flags = |
| IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | |
| IEEE80211_HW_SIGNAL_DBM; |
| rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE; |
| |
| SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); |
| SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, |
| rt2x00_eeprom_addr(rt2x00dev, |
| EEPROM_MAC_ADDR_0)); |
| |
| /* |
| * Convert tx_power array in eeprom. |
| */ |
| txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START); |
| for (i = 0; i < 14; i++) |
| txpower[i] = TXPOWER_FROM_DEV(txpower[i]); |
| |
| /* |
| * Initialize hw_mode information. |
| */ |
| spec->supported_bands = SUPPORT_BAND_2GHZ; |
| spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; |
| spec->tx_power_a = NULL; |
| spec->tx_power_bg = txpower; |
| spec->tx_power_default = DEFAULT_TXPOWER; |
| |
| if (rt2x00_rf(&rt2x00dev->chip, RF2528)) { |
| spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528); |
| spec->channels = rf_vals_bg_2528; |
| } else if (rt2x00_rf(&rt2x00dev->chip, 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->chip, RF2527)) { |
| spec->num_channels = 14; |
| spec->channels = rf_vals_5225_2527; |
| } else if (rt2x00_rf(&rt2x00dev->chip, RF5225)) { |
| spec->supported_bands |= SUPPORT_BAND_5GHZ; |
| spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527); |
| spec->channels = rf_vals_5225_2527; |
| } |
| |
| if (rt2x00_rf(&rt2x00dev->chip, RF5225) || |
| rt2x00_rf(&rt2x00dev->chip, RF5226)) { |
| txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START); |
| for (i = 0; i < 14; i++) |
| txpower[i] = TXPOWER_FROM_DEV(txpower[i]); |
| |
| spec->tx_power_a = txpower; |
| } |
| } |
| |
| static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev) |
| { |
| int retval; |
| |
| /* |
| * Allocate eeprom data. |
| */ |
| retval = rt73usb_validate_eeprom(rt2x00dev); |
| if (retval) |
| return retval; |
| |
| retval = rt73usb_init_eeprom(rt2x00dev); |
| if (retval) |
| return retval; |
| |
| /* |
| * Initialize hw specifications. |
| */ |
| rt73usb_probe_hw_mode(rt2x00dev); |
| |
| /* |
| * This device requires firmware. |
| */ |
| __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); |
| __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags); |
| |
| /* |
| * Set the rssi offset. |
| */ |
| rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; |
| |
| return 0; |
| } |
| |
| /* |
| * IEEE80211 stack callback functions. |
| */ |
| static int rt73usb_set_retry_limit(struct ieee80211_hw *hw, |
| u32 short_retry, u32 long_retry) |
| { |
| struct rt2x00_dev *rt2x00dev = hw->priv; |
| u32 reg; |
| |
| rt73usb_register_read(rt2x00dev, TXRX_CSR4, ®); |
| rt2x00_set_field32(®, TXRX_CSR4_LONG_RETRY_LIMIT, long_retry); |
| rt2x00_set_field32(®, TXRX_CSR4_SHORT_RETRY_LIMIT, short_retry); |
| rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg); |
| |
| return 0; |
| } |
| |
| #if 0 |
| /* |
| * Mac80211 demands get_tsf must be atomic. |
| * This is not possible for rt73usb since all register access |
| * functions require sleeping. Untill mac80211 no longer needs |
| * get_tsf to be atomic, this function should be disabled. |
| */ |
| static u64 rt73usb_get_tsf(struct ieee80211_hw *hw) |
| { |
| struct rt2x00_dev *rt2x00dev = hw->priv; |
| u64 tsf; |
| u32 reg; |
| |
| rt73usb_register_read(rt2x00dev, TXRX_CSR13, ®); |
| tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32; |
| rt73usb_register_read(rt2x00dev, TXRX_CSR12, ®); |
| tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER); |
| |
| return tsf; |
| } |
| #else |
| #define rt73usb_get_tsf NULL |
| #endif |
| |
| 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, |
| .config_interface = rt2x00mac_config_interface, |
| .configure_filter = rt2x00mac_configure_filter, |
| .get_stats = rt2x00mac_get_stats, |
| .set_retry_limit = rt73usb_set_retry_limit, |
| .bss_info_changed = rt2x00mac_bss_info_changed, |
| .conf_tx = rt2x00mac_conf_tx, |
| .get_tx_stats = rt2x00mac_get_tx_stats, |
| .get_tsf = rt73usb_get_tsf, |
| }; |
| |
| static const struct rt2x00lib_ops rt73usb_rt2x00_ops = { |
| .probe_hw = rt73usb_probe_hw, |
| .get_firmware_name = rt73usb_get_firmware_name, |
| .get_firmware_crc = rt73usb_get_firmware_crc, |
| .load_firmware = rt73usb_load_firmware, |
| .initialize = rt2x00usb_initialize, |
| .uninitialize = rt2x00usb_uninitialize, |
| .init_rxentry = rt2x00usb_init_rxentry, |
| .init_txentry = rt2x00usb_init_txentry, |
| .set_device_state = rt73usb_set_device_state, |
| .link_stats = rt73usb_link_stats, |
| .reset_tuner = rt73usb_reset_tuner, |
| .link_tuner = rt73usb_link_tuner, |
| .write_tx_desc = rt73usb_write_tx_desc, |
| .write_tx_data = rt2x00usb_write_tx_data, |
| .write_beacon = rt73usb_write_beacon, |
| .get_tx_data_len = rt73usb_get_tx_data_len, |
| .kick_tx_queue = rt73usb_kick_tx_queue, |
| .fill_rxdone = rt73usb_fill_rxdone, |
| .config_filter = rt73usb_config_filter, |
| .config_intf = rt73usb_config_intf, |
| .config_erp = rt73usb_config_erp, |
| .config = rt73usb_config, |
| }; |
| |
| static const struct data_queue_desc rt73usb_queue_rx = { |
| .entry_num = RX_ENTRIES, |
| .data_size = DATA_FRAME_SIZE, |
| .desc_size = RXD_DESC_SIZE, |
| .priv_size = sizeof(struct queue_entry_priv_usb), |
| }; |
| |
| static const struct data_queue_desc rt73usb_queue_tx = { |
| .entry_num = TX_ENTRIES, |
| .data_size = DATA_FRAME_SIZE, |
| .desc_size = TXD_DESC_SIZE, |
| .priv_size = sizeof(struct queue_entry_priv_usb), |
| }; |
| |
| static const struct data_queue_desc rt73usb_queue_bcn = { |
| .entry_num = 4 * BEACON_ENTRIES, |
| .data_size = MGMT_FRAME_SIZE, |
| .desc_size = TXINFO_SIZE, |
| .priv_size = sizeof(struct queue_entry_priv_usb), |
| }; |
| |
| static const struct rt2x00_ops rt73usb_ops = { |
| .name = KBUILD_MODNAME, |
| .max_sta_intf = 1, |
| .max_ap_intf = 4, |
| .eeprom_size = EEPROM_SIZE, |
| .rf_size = RF_SIZE, |
| .tx_queues = NUM_TX_QUEUES, |
| .rx = &rt73usb_queue_rx, |
| .tx = &rt73usb_queue_tx, |
| .bcn = &rt73usb_queue_bcn, |
| .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, 0xb21d), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Askey */ |
| { USB_DEVICE(0x1690, 0x0722), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* ASUS */ |
| { USB_DEVICE(0x0b05, 0x1723), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x0b05, 0x1724), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Belkin */ |
| { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x050d, 0x905b), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x050d, 0x905c), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Billionton */ |
| { USB_DEVICE(0x1631, 0xc019), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Buffalo */ |
| { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* CNet */ |
| { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Conceptronic */ |
| { USB_DEVICE(0x14b2, 0x3c22), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Corega */ |
| { USB_DEVICE(0x07aa, 0x002e), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* D-Link */ |
| { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x07d1, 0x3c06), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Gemtek */ |
| { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Gigabyte */ |
| { USB_DEVICE(0x1044, 0x8008), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x1044, 0x800a), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Huawei-3Com */ |
| { USB_DEVICE(0x1472, 0x0009), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Hercules */ |
| { USB_DEVICE(0x06f8, 0xe010), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x06f8, 0xe020), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Linksys */ |
| { USB_DEVICE(0x13b1, 0x0020), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* MSI */ |
| { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Ralink */ |
| { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x148f, 0x2671), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Qcom */ |
| { USB_DEVICE(0x18e8, 0x6196), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x18e8, 0x6229), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x18e8, 0x6238), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Senao */ |
| { USB_DEVICE(0x1740, 0x7100), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Sitecom */ |
| { USB_DEVICE(0x0df6, 0x9712), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x0df6, 0x90ac), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Surecom */ |
| { USB_DEVICE(0x0769, 0x31f3), USB_DEVICE_DATA(&rt73usb_ops) }, |
| /* Planex */ |
| { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) }, |
| { 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 struct usb_driver rt73usb_driver = { |
| .name = KBUILD_MODNAME, |
| .id_table = rt73usb_device_table, |
| .probe = rt2x00usb_probe, |
| .disconnect = rt2x00usb_disconnect, |
| .suspend = rt2x00usb_suspend, |
| .resume = rt2x00usb_resume, |
| }; |
| |
| static int __init rt73usb_init(void) |
| { |
| return usb_register(&rt73usb_driver); |
| } |
| |
| static void __exit rt73usb_exit(void) |
| { |
| usb_deregister(&rt73usb_driver); |
| } |
| |
| module_init(rt73usb_init); |
| module_exit(rt73usb_exit); |