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-rw-r--r--package/rt2x00/src/rt73usb.c2111
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 c0671c2e6..000000000
--- 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,
- &reg, 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,
- &reg, 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, &reg);
- 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(&reg, PHY_CSR3_VALUE, value);
- rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
- rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
- rt2x00_set_field32(&reg, 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(&reg, PHY_CSR3_REGNUM, word);
- rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
- rt2x00_set_field32(&reg, 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, &reg);
- 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(&reg, PHY_CSR4_VALUE, value);
-
- /*
- * RF5225 and RF2527 contain 21 bits per RF register value,
- * all others contain 20 bits.
- */
- rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS,
- 20 + !!(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
- rt2x00_rf(&rt2x00dev->chip, RF2527)));
- rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
- rt2x00_set_field32(&reg, 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, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
- rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
- rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
- rt2x00_set_field32(&reg, 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, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout);
- rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
-
- rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
- rt2x00_set_field32(&reg, 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, &reg);
-
- if (rt2x00dev->curr_hwmode == HWMODE_A) {
- sel = antenna_sel_a;
- lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
-
- rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG, 0);
- rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A, 1);
- } else {
- sel = antenna_sel_bg;
- lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
-
- rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG, 1);
- rt2x00_set_field32(&reg, 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, &reg);
- rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, libconf->slot_time);
- rt73usb_register_write(rt2x00dev, MAC_CSR9, reg);
-
- rt73usb_register_read(rt2x00dev, MAC_CSR8, &reg);
- rt2x00_set_field32(&reg, MAC_CSR8_SIFS, libconf->sifs);
- rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
- rt2x00_set_field32(&reg, MAC_CSR8_EIFS, libconf->eifs);
- rt73usb_register_write(rt2x00dev, MAC_CSR8, reg);
-
- rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
- rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
-
- rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
- rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
-
- rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
- rt2x00_set_field32(&reg, 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, &reg);
- rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, 70);
- rt2x00_set_field32(&reg, 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, &reg);
- 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);
- 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, &reg);
- 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, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
- rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
- rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
- rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
-
- rt73usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
- rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
- rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
- rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
- rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
- rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
- rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
- rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
- rt73usb_register_write(rt2x00dev, TXRX_CSR1, reg);
-
- /*
- * CCK TXD BBP registers
- */
- rt73usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
- rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
- rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
- rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
- rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
- rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
- rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
- rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
- rt73usb_register_write(rt2x00dev, TXRX_CSR2, reg);
-
- /*
- * OFDM TXD BBP registers
- */
- rt73usb_register_read(rt2x00dev, TXRX_CSR3, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
- rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
- rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
- rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
- rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
- rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
- rt73usb_register_write(rt2x00dev, TXRX_CSR3, reg);
-
- rt73usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
- rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
- rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
- rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
- rt73usb_register_write(rt2x00dev, TXRX_CSR7, reg);
-
- rt73usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
- rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
- rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
- rt2x00_set_field32(&reg, 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, &reg);
- rt2x00_set_field32(&reg, 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(&reg, 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, &reg);
- rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC0_TX_OP, 0);
- rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC1_TX_OP, 0);
- rt73usb_register_write(rt2x00dev, AC_TXOP_CSR0, reg);
-
- rt73usb_register_read(rt2x00dev, AC_TXOP_CSR1, &reg);
- rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC2_TX_OP, 192);
- rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC3_TX_OP, 48);
- rt73usb_register_write(rt2x00dev, AC_TXOP_CSR1, reg);
-
- rt73usb_register_read(rt2x00dev, MAC_CSR9, &reg);
- rt2x00_set_field32(&reg, 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, &reg);
- rt73usb_register_read(rt2x00dev, STA_CSR1, &reg);
- rt73usb_register_read(rt2x00dev, STA_CSR2, &reg);
-
- /*
- * Reset MAC and BBP registers.
- */
- rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
- rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
- rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
- rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
-
- rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
- rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
- rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
- rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
-
- rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
- rt2x00_set_field32(&reg, 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, &reg);
- rt2x00_set_field32(&reg, 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, &reg);
- rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
- rt2x00_set_field32(&reg, 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, &reg);
- 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, &reg);
- if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
- rt2x00_set_field32(&reg, 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, &reg);
- 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, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
- !(*total_flags & FIF_FCSFAIL));
- rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
- !(*total_flags & FIF_PLCPFAIL));
- rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
- !(*total_flags & FIF_CONTROL));
- rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
- !(*total_flags & FIF_PROMISC_IN_BSS));
- rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
- !(*total_flags & FIF_PROMISC_IN_BSS));
- rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
- rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
- !(*total_flags & FIF_ALLMULTI));
- rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0);
- rt2x00_set_field32(&reg, 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, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT, long_retry);
- rt2x00_set_field32(&reg, 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, &reg);
- tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
- rt73usb_register_read(rt2x00dev, TXRX_CSR12, &reg);
- 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);