diff options
Diffstat (limited to 'package/rt2x00/src/rt73usb.c')
| -rw-r--r-- | package/rt2x00/src/rt73usb.c | 2111 |
1 files changed, 0 insertions, 2111 deletions
diff --git a/package/rt2x00/src/rt73usb.c b/package/rt2x00/src/rt73usb.c deleted file mode 100644 index c0671c2e6e..0000000000 --- a/package/rt2x00/src/rt73usb.c +++ /dev/null @@ -1,2111 +0,0 @@ -/* - Copyright (C) 2004 - 2007 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. - */ - -/* - * Set enviroment defines for rt2x00.h - */ -#define DRV_NAME "rt73usb" - -#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. - */ -static inline void rt73usb_register_read(const 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_multiread(const struct rt2x00_dev - *rt2x00dev, - const unsigned int offset, - void *value, const u32 length) -{ - int timeout = REGISTER_TIMEOUT * (length / sizeof(u32)); - rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, - USB_VENDOR_REQUEST_IN, offset, - value, length, timeout); -} - -static inline void rt73usb_register_write(const 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_multiwrite(const struct rt2x00_dev - *rt2x00dev, - const unsigned int offset, - void *value, const u32 length) -{ - int timeout = REGISTER_TIMEOUT * (length / sizeof(u32)); - rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, offset, - value, length, timeout); -} - -static u32 rt73usb_bbp_check(const struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - unsigned int i; - - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt73usb_register_read(rt2x00dev, PHY_CSR3, ®); - if (!rt2x00_get_field32(reg, PHY_CSR3_BUSY)) - break; - udelay(REGISTER_BUSY_DELAY); - } - - return reg; -} - -static void rt73usb_bbp_write(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, const u8 value) -{ - u32 reg; - - /* - * Wait until the BBP becomes ready. - */ - reg = rt73usb_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n"); - return; - } - - /* - * 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(rt2x00dev, PHY_CSR3, reg); -} - -static void rt73usb_bbp_read(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, u8 *value) -{ - u32 reg; - - /* - * Wait until the BBP becomes ready. - */ - reg = rt73usb_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); - return; - } - - /* - * 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(rt2x00dev, PHY_CSR3, reg); - - /* - * Wait until the BBP becomes ready. - */ - reg = rt73usb_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); - *value = 0xff; - return; - } - - *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE); -} - -static void rt73usb_rf_write(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, const u32 value) -{ - u32 reg; - unsigned int i; - - if (!word) - return; - - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt73usb_register_read(rt2x00dev, PHY_CSR4, ®); - if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY)) - goto rf_write; - udelay(REGISTER_BUSY_DELAY); - } - - 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(rt2x00dev, PHY_CSR4, reg); - rt2x00_rf_write(rt2x00dev, word, value); -} - -#ifdef CONFIG_RT2X00_LIB_DEBUGFS -#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) ) - -static void rt73usb_read_csr(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, u32 *data) -{ - rt73usb_register_read(rt2x00dev, CSR_OFFSET(word), data); -} - -static void rt73usb_write_csr(const 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 */ - -/* - * Configuration handlers. - */ -static void rt73usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac) -{ - u32 tmp; - - tmp = le32_to_cpu(mac[1]); - rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff); - mac[1] = cpu_to_le32(tmp); - - rt73usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac, - (2 * sizeof(__le32))); -} - -static void rt73usb_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid) -{ - u32 tmp; - - tmp = le32_to_cpu(bssid[1]); - rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3); - bssid[1] = cpu_to_le32(tmp); - - rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4, bssid, - (2 * sizeof(__le32))); -} - -static void rt73usb_config_type(struct rt2x00_dev *rt2x00dev, const int type, - const int tsf_sync) -{ - u32 reg; - - /* - * 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. - */ - rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0); - 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); - - /* - * Enable synchronisation. - */ - rt73usb_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, 0); - rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, tsf_sync); - rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg); -} - -static void rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev, - const int short_preamble, - const int ack_timeout, - const int ack_consume_time) -{ - u32 reg; - - /* - * When in atomic context, reschedule and let rt2x00lib - * call this function again. - */ - if (in_atomic()) { - queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work); - return; - } - - rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout); - rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg); - - rt73usb_register_read(rt2x00dev, TXRX_CSR4, ®); - rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, - !!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, - const int antenna_tx, - const int antenna_rx) -{ - 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); - - switch (antenna_rx) { - case ANTENNA_SW_DIVERSITY: - case ANTENNA_HW_DIVERSITY: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, - !!(rt2x00dev->curr_hwmode != HWMODE_A)); - break; - case ANTENNA_A: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); - - if (rt2x00dev->curr_hwmode == HWMODE_A) - rt2x00_set_field8(&r77, BBP_R77_PAIR, 0); - else - rt2x00_set_field8(&r77, BBP_R77_PAIR, 3); - break; - case ANTENNA_B: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); - - if (rt2x00dev->curr_hwmode == HWMODE_A) - rt2x00_set_field8(&r77, BBP_R77_PAIR, 3); - else - rt2x00_set_field8(&r77, BBP_R77_PAIR, 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, - const int antenna_tx, - const int antenna_rx) -{ - 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)); - - switch (antenna_rx) { - case ANTENNA_SW_DIVERSITY: - case ANTENNA_HW_DIVERSITY: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2); - break; - case ANTENNA_A: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); - rt2x00_set_field8(&r77, BBP_R77_PAIR, 3); - break; - case ANTENNA_B: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); - rt2x00_set_field8(&r77, BBP_R77_PAIR, 0); - 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, - const int antenna_tx, const int antenna_rx) -{ - const struct antenna_sel *sel; - unsigned int lna; - unsigned int i; - u32 reg; - - rt73usb_register_read(rt2x00dev, PHY_CSR0, ®); - - if (rt2x00dev->curr_hwmode == HWMODE_A) { - sel = antenna_sel_a; - lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); - - rt2x00_set_field32(®, PHY_CSR0_PA_PE_BG, 0); - rt2x00_set_field32(®, PHY_CSR0_PA_PE_A, 1); - } else { - sel = antenna_sel_bg; - lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); - - rt2x00_set_field32(®, PHY_CSR0_PA_PE_BG, 1); - rt2x00_set_field32(®, PHY_CSR0_PA_PE_A, 0); - } - - for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++) - rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]); - - rt73usb_register_write(rt2x00dev, PHY_CSR0, reg); - - if (rt2x00_rf(&rt2x00dev->chip, RF5226) || - rt2x00_rf(&rt2x00dev->chip, RF5225)) - rt73usb_config_antenna_5x(rt2x00dev, antenna_tx, antenna_rx); - else if (rt2x00_rf(&rt2x00dev->chip, RF2528) || - rt2x00_rf(&rt2x00dev->chip, RF2527)) - rt73usb_config_antenna_2x(rt2x00dev, antenna_tx, antenna_rx); -} - -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, - const unsigned int flags, - struct rt2x00lib_conf *libconf) -{ - 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->conf->antenna_sel_tx, - libconf->conf->antenna_sel_rx); - if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT)) - rt73usb_config_duration(rt2x00dev, libconf); -} - -/* - * LED functions. - */ -static void rt73usb_enable_led(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - rt73usb_register_read(rt2x00dev, MAC_CSR14, ®); - rt2x00_set_field32(®, MAC_CSR14_ON_PERIOD, 70); - rt2x00_set_field32(®, MAC_CSR14_OFF_PERIOD, 30); - rt73usb_register_write(rt2x00dev, MAC_CSR14, reg); - - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_RADIO_STATUS, 1); - if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) - rt2x00_set_field16(&rt2x00dev->led_reg, - MCU_LEDCS_LINK_A_STATUS, 1); - else - rt2x00_set_field16(&rt2x00dev->led_reg, - MCU_LEDCS_LINK_BG_STATUS, 1); - - rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, 0x0000, - rt2x00dev->led_reg, REGISTER_TIMEOUT); -} - -static void rt73usb_disable_led(struct rt2x00_dev *rt2x00dev) -{ - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_RADIO_STATUS, 0); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_BG_STATUS, 0); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_A_STATUS, 0); - - rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, 0x0000, - rt2x00dev->led_reg, REGISTER_TIMEOUT); -} - -static void rt73usb_activity_led(struct rt2x00_dev *rt2x00dev, int rssi) -{ - u32 led; - - if (rt2x00dev->led_mode != LED_MODE_SIGNAL_STRENGTH) - return; - - /* - * Led handling requires a positive value for the rssi, - * to do that correctly we need to add the correction. - */ - rssi += rt2x00dev->rssi_offset; - - if (rssi <= 30) - led = 0; - else if (rssi <= 39) - led = 1; - else if (rssi <= 49) - led = 2; - else if (rssi <= 53) - led = 3; - else if (rssi <= 63) - led = 4; - else - led = 5; - - rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, led, - rt2x00dev->led_reg, REGISTER_TIMEOUT); -} - -/* - * Link tuning - */ -static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - /* - * Update FCS error count from register. - */ - rt73usb_register_read(rt2x00dev, STA_CSR0, ®); - rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR); - - /* - * Update False CCA count from register. - */ - rt73usb_register_read(rt2x00dev, STA_CSR1, ®); - reg = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR); - rt2x00dev->link.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; - - /* - * Update Led strength - */ - rt73usb_activity_led(rt2x00dev, rssi); - - rt73usb_bbp_read(rt2x00dev, 17, &r17); - - /* - * Determine r17 bounds. - */ - if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) { - 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; - } - } - - /* - * 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; - } - - /* - * r17 does not yet exceed upper limit, continue and base - * the r17 tuning on the false CCA count. - */ - if (rt2x00dev->link.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.false_cca < 100 && r17 > low_bound) { - r17 -= 4; - if (r17 < low_bound) - r17 = low_bound; - rt73usb_bbp_write(rt2x00dev, 17, r17); - } -} - -/* - * Firmware name function. - */ -static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev) -{ - return FIRMWARE_RT2571; -} - -/* - * Initialization functions. - */ -static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, void *data, - const size_t len) -{ - unsigned int i; - int status; - u32 reg; - char *ptr = data; - char *cache; - int buflen; - int timeout; - - /* - * 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); - timeout = REGISTER_TIMEOUT * (buflen / sizeof(u32)); - - memcpy(cache, ptr, buflen); - - rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, - FIRMWARE_IMAGE_BASE + i, 0x0000, - cache, buflen, timeout); - - 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, - 0x0000, USB_MODE_FIRMWARE, - REGISTER_TIMEOUT_FIRMWARE); - if (status < 0) { - ERROR(rt2x00dev, "Failed to write Firmware to device.\n"); - return status; - } - - rt73usb_disable_led(rt2x00dev); - - return 0; -} - -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_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); - - /* - * 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_init_bbp(struct rt2x00_dev *rt2x00dev) -{ - unsigned int i; - u16 eeprom; - u8 reg_id; - u8 value; - - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt73usb_bbp_read(rt2x00dev, 0, &value); - if ((value != 0xff) && (value != 0x00)) - goto continue_csr_init; - NOTICE(rt2x00dev, "Waiting for BBP register.\n"); - udelay(REGISTER_BUSY_DELAY); - } - - ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); - return -EACCES; - -continue_csr_init: - 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); - - DEBUG(rt2x00dev, "Start initialization from EEPROM...\n"); - 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); - DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n", - reg_id, value); - rt73usb_bbp_write(rt2x00dev, reg_id, value); - } - } - DEBUG(rt2x00dev, "...End initialization from EEPROM.\n"); - - 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); - rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg); -} - -static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev) -{ - /* - * Initialize all registers. - */ - if (rt73usb_init_registers(rt2x00dev) || - rt73usb_init_bbp(rt2x00dev)) { - ERROR(rt2x00dev, "Register initialization failed.\n"); - return -EIO; - } - - rt2x00usb_enable_radio(rt2x00dev); - - /* - * Enable LED - */ - rt73usb_enable_led(rt2x00dev); - - return 0; -} - -static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev) -{ - /* - * Disable LED - */ - rt73usb_disable_led(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; - char current_state; - - 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, ®); - current_state = - rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); - if (current_state == !put_to_sleep) - return 0; - msleep(10); - } - - NOTICE(rt2x00dev, "Device failed to enter state %d, " - "current device state %d.\n", !put_to_sleep, current_state); - - 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_OFF: - rt73usb_toggle_rx(rt2x00dev, state); - 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; - } - - return retval; -} - -/* - * TX descriptor initialization - */ -static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, - struct data_desc *txd, - struct txdata_entry_desc *desc, - struct ieee80211_hdr *ieee80211hdr, - unsigned int length, - struct ieee80211_tx_control *control) -{ - u32 word; - - /* - * Start writing the descriptor words. - */ - rt2x00_desc_read(txd, 1, &word); - rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, desc->queue); - rt2x00_set_field32(&word, TXD_W1_AIFSN, desc->aifs); - rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min); - rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->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, desc->signal); - rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->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(control->power_level)); - 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, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_VALID, 1); - rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, - test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_ACK, - !(control->flags & IEEE80211_TXCTL_NO_ACK)); - rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, - test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_OFDM, - test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs); - rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, - !!(control->flags & - IEEE80211_TXCTL_LONG_RETRY_LIMIT)); - rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length); - rt2x00_set_field32(&word, TXD_W0_BURST2, - test_bit(ENTRY_TXD_BURST, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE); - rt2x00_desc_write(txd, 0, word); -} - -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; -} - -/* - * TX data initialization - */ -static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, - unsigned int queue) -{ - u32 reg; - - if (queue != IEEE80211_TX_QUEUE_BEACON) - 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_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.phymode == MODE_IEEE80211A) { - 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 data_entry *entry, - struct rxdata_entry_desc *desc) -{ - struct data_desc *rxd = (struct data_desc *)entry->skb->data; - u32 word0; - u32 word1; - - rt2x00_desc_read(rxd, 0, &word0); - rt2x00_desc_read(rxd, 1, &word1); - - desc->flags = 0; - if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) - desc->flags |= RX_FLAG_FAILED_FCS_CRC; - - /* - * Obtain the status about this packet. - */ - desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); - desc->rssi = rt73usb_agc_to_rssi(entry->ring->rt2x00dev, word1); - desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM); - desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); - - /* - * Pull the skb to clear the descriptor area. - */ - skb_pull(entry->skb, entry->ring->desc_size); - - return; -} - -/* - * 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, 2); - rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, 2); - 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 BG: 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->hw->conf.antenna_sel_tx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); - rt2x00dev->hw->conf.antenna_sel_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. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom); - - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LED_MODE, - rt2x00dev->led_mode); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_0, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_0)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_1, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_1)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_2, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_2)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_3, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_3)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_4, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_4)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_ACT, - rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_BG, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_RDY_G)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_A, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_RDY_A)); - - 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_GEN_BEACON_TEMPLATE | - IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; - rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE; - rt2x00dev->hw->max_signal = MAX_SIGNAL; - rt2x00dev->hw->max_rssi = MAX_RX_SSI; - rt2x00dev->hw->queues = 5; - - SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(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->num_modes = 2; - spec->num_rates = 12; - 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->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->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)) { - spec->num_modes = 3; - - 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 the rssi offset. - */ - rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; - - return 0; -} - -/* - * IEEE80211 stack callback functions. - */ -static void rt73usb_configure_filter(struct ieee80211_hw *hw, - unsigned int changed_flags, - unsigned int *total_flags, - int mc_count, - struct dev_addr_list *mc_list) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - struct interface *intf = &rt2x00dev->interface; - u32 reg; - - /* - * Mask off any flags we are going to ignore from - * the total_flags field. - */ - *total_flags &= - FIF_ALLMULTI | - FIF_FCSFAIL | - FIF_PLCPFAIL | - FIF_CONTROL | - FIF_OTHER_BSS | - FIF_PROMISC_IN_BSS; - - /* - * Apply some rules to the filters: - * - Some filters imply different filters to be set. - * - Some things we can't filter out at all. - * - Some filters are set based on interface type. - */ - if (mc_count) - *total_flags |= FIF_ALLMULTI; - if (*total_flags & FIF_OTHER_BSS || - *total_flags & FIF_PROMISC_IN_BSS) - *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; - if (is_interface_type(intf, IEEE80211_IF_TYPE_AP)) - *total_flags |= FIF_PROMISC_IN_BSS; - - /* - * Check if there is any work left for us. - */ - if (intf->filter == *total_flags) - return; - intf->filter = *total_flags; - - /* - * When in atomic context, reschedule and let rt2x00lib - * call this function again. - */ - if (in_atomic()) { - queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work); - return; - } - - /* - * 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, - !(*total_flags & FIF_FCSFAIL)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_PHYSICAL, - !(*total_flags & FIF_PLCPFAIL)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL, - !(*total_flags & FIF_CONTROL)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, - !(*total_flags & FIF_PROMISC_IN_BSS)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS, - !(*total_flags & FIF_PROMISC_IN_BSS)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1); - rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST, - !(*total_flags & FIF_ALLMULTI)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_BROADCAST, 0); - rt2x00_set_field32(®, TXRX_CSR0_DROP_ACK_CTS, 1); - rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg); -} - -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 void rt73usb_reset_tsf(struct ieee80211_hw *hw) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - - rt73usb_register_write(rt2x00dev, TXRX_CSR12, 0); - rt73usb_register_write(rt2x00dev, TXRX_CSR13, 0); -} - -static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_tx_control *control) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - int timeout; - - /* - * Just in case the ieee80211 doesn't set this, - * but we need this queue set for the descriptor - * initialization. - */ - control->queue = IEEE80211_TX_QUEUE_BEACON; - - /* - * First we create the beacon. - */ - skb_push(skb, TXD_DESC_SIZE); - memset(skb->data, 0, TXD_DESC_SIZE); - - rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data, - (struct ieee80211_hdr *)(skb->data + - TXD_DESC_SIZE), - skb->len - TXD_DESC_SIZE, control); - - /* - * Write entire beacon with descriptor to register, - * and kick the beacon generator. - */ - timeout = REGISTER_TIMEOUT * (skb->len / sizeof(u32)); - rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, - HW_BEACON_BASE0, 0x0000, - skb->data, skb->len, timeout); - rt73usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON); - - return 0; -} - -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 = rt73usb_configure_filter, - .get_stats = rt2x00mac_get_stats, - .set_retry_limit = rt73usb_set_retry_limit, - .erp_ie_changed = rt2x00mac_erp_ie_changed, - .conf_tx = rt2x00mac_conf_tx, - .get_tx_stats = rt2x00mac_get_tx_stats, - .get_tsf = rt73usb_get_tsf, - .reset_tsf = rt73usb_reset_tsf, - .beacon_update = rt73usb_beacon_update, -}; - -static const struct rt2x00lib_ops rt73usb_rt2x00_ops = { - .probe_hw = rt73usb_probe_hw, - .get_firmware_name = rt73usb_get_firmware_name, - .load_firmware = rt73usb_load_firmware, - .initialize = rt2x00usb_initialize, - .uninitialize = rt2x00usb_uninitialize, - .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, - .get_tx_data_len = rt73usb_get_tx_data_len, - .kick_tx_queue = rt73usb_kick_tx_queue, - .fill_rxdone = rt73usb_fill_rxdone, - .config_mac_addr = rt73usb_config_mac_addr, - .config_bssid = rt73usb_config_bssid, - .config_type = rt73usb_config_type, - .config_preamble = rt73usb_config_preamble, - .config = rt73usb_config, -}; - -static const struct rt2x00_ops rt73usb_ops = { - .name = DRV_NAME, - .rxd_size = RXD_DESC_SIZE, - .txd_size = TXD_DESC_SIZE, - .eeprom_size = EEPROM_SIZE, - .rf_size = RF_SIZE, - .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) }, - /* D-Link */ - { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) }, - { USB_DEVICE(0x07d1, 0x3c04), 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 = DRV_NAME, - .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); |