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Ivo van Doorn95ea3622007-09-25 17:57:13 -07001/*
Gertjan van Wingerde9c9a0d12009-11-08 16:39:55 +01002 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
Ivo van Doorn95ea3622007-09-25 17:57:13 -07003 <http://rt2x00.serialmonkey.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the
17 Free Software Foundation, Inc.,
18 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21/*
22 Module: rt73usb
23 Abstract: rt73usb device specific routines.
24 Supported chipsets: rt2571W & rt2671.
25 */
26
Ivo van Doorna7f3a062008-03-09 22:44:54 +010027#include <linux/crc-itu-t.h>
Ivo van Doorn95ea3622007-09-25 17:57:13 -070028#include <linux/delay.h>
29#include <linux/etherdevice.h>
30#include <linux/init.h>
31#include <linux/kernel.h>
32#include <linux/module.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090033#include <linux/slab.h>
Ivo van Doorn95ea3622007-09-25 17:57:13 -070034#include <linux/usb.h>
35
36#include "rt2x00.h"
37#include "rt2x00usb.h"
38#include "rt73usb.h"
39
40/*
Ivo van Doorn008c4482008-08-06 17:27:31 +020041 * Allow hardware encryption to be disabled.
42 */
Mark Einon821cde632010-11-06 15:47:46 +010043static int modparam_nohwcrypt;
Ivo van Doorn008c4482008-08-06 17:27:31 +020044module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
45MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
46
47/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -070048 * Register access.
49 * All access to the CSR registers will go through the methods
Ivo van Doorn0f829b12008-11-10 19:42:18 +010050 * rt2x00usb_register_read and rt2x00usb_register_write.
Ivo van Doorn95ea3622007-09-25 17:57:13 -070051 * BBP and RF register require indirect register access,
52 * and use the CSR registers BBPCSR and RFCSR to achieve this.
53 * These indirect registers work with busy bits,
54 * and we will try maximal REGISTER_BUSY_COUNT times to access
55 * the register while taking a REGISTER_BUSY_DELAY us delay
56 * between each attampt. When the busy bit is still set at that time,
57 * the access attempt is considered to have failed,
58 * and we will print an error.
Ivo van Doorn8ff48a82008-11-09 23:40:46 +010059 * The _lock versions must be used if you already hold the csr_mutex
Ivo van Doorn95ea3622007-09-25 17:57:13 -070060 */
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +010061#define WAIT_FOR_BBP(__dev, __reg) \
Ivo van Doorn0f829b12008-11-10 19:42:18 +010062 rt2x00usb_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg))
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +010063#define WAIT_FOR_RF(__dev, __reg) \
Ivo van Doorn0f829b12008-11-10 19:42:18 +010064 rt2x00usb_regbusy_read((__dev), PHY_CSR4, PHY_CSR4_BUSY, (__reg))
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +010065
Adam Baker0e14f6d2007-10-27 13:41:25 +020066static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -070067 const unsigned int word, const u8 value)
68{
69 u32 reg;
70
Ivo van Doorn8ff48a82008-11-09 23:40:46 +010071 mutex_lock(&rt2x00dev->csr_mutex);
Adam Baker3d823462007-10-27 13:43:29 +020072
Ivo van Doorn95ea3622007-09-25 17:57:13 -070073 /*
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +010074 * Wait until the BBP becomes available, afterwards we
75 * can safely write the new data into the register.
Ivo van Doorn95ea3622007-09-25 17:57:13 -070076 */
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +010077 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
78 reg = 0;
79 rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value);
80 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
81 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
82 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
Ivo van Doorn95ea3622007-09-25 17:57:13 -070083
Ivo van Doorn0f829b12008-11-10 19:42:18 +010084 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +010085 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -070086
Ivo van Doorn8ff48a82008-11-09 23:40:46 +010087 mutex_unlock(&rt2x00dev->csr_mutex);
Ivo van Doorn95ea3622007-09-25 17:57:13 -070088}
89
Adam Baker0e14f6d2007-10-27 13:41:25 +020090static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -070091 const unsigned int word, u8 *value)
92{
93 u32 reg;
94
Ivo van Doorn8ff48a82008-11-09 23:40:46 +010095 mutex_lock(&rt2x00dev->csr_mutex);
Adam Baker3d823462007-10-27 13:43:29 +020096
Ivo van Doorn95ea3622007-09-25 17:57:13 -070097 /*
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +010098 * Wait until the BBP becomes available, afterwards we
99 * can safely write the read request into the register.
100 * After the data has been written, we wait until hardware
101 * returns the correct value, if at any time the register
102 * doesn't become available in time, reg will be 0xffffffff
103 * which means we return 0xff to the caller.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700104 */
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100105 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
106 reg = 0;
107 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
108 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
109 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700110
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100111 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700112
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100113 WAIT_FOR_BBP(rt2x00dev, &reg);
114 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700115
116 *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100117
Ivo van Doorn8ff48a82008-11-09 23:40:46 +0100118 mutex_unlock(&rt2x00dev->csr_mutex);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700119}
120
Adam Baker0e14f6d2007-10-27 13:41:25 +0200121static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700122 const unsigned int word, const u32 value)
123{
124 u32 reg;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700125
Ivo van Doorn8ff48a82008-11-09 23:40:46 +0100126 mutex_lock(&rt2x00dev->csr_mutex);
Adam Baker3d823462007-10-27 13:43:29 +0200127
Ivo van Doorn4f5af6eb2007-10-06 14:16:30 +0200128 /*
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100129 * Wait until the RF becomes available, afterwards we
130 * can safely write the new data into the register.
Ivo van Doorn4f5af6eb2007-10-06 14:16:30 +0200131 */
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100132 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
133 reg = 0;
134 rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
135 /*
136 * RF5225 and RF2527 contain 21 bits per RF register value,
137 * all others contain 20 bits.
138 */
139 rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS,
Gertjan van Wingerde5122d892009-12-23 00:03:25 +0100140 20 + (rt2x00_rf(rt2x00dev, RF5225) ||
141 rt2x00_rf(rt2x00dev, RF2527)));
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100142 rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
143 rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700144
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100145 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR4, reg);
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100146 rt2x00_rf_write(rt2x00dev, word, value);
147 }
Ivo van Doorn8ff48a82008-11-09 23:40:46 +0100148
149 mutex_unlock(&rt2x00dev->csr_mutex);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700150}
151
152#ifdef CONFIG_RT2X00_LIB_DEBUGFS
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700153static const struct rt2x00debug rt73usb_rt2x00debug = {
154 .owner = THIS_MODULE,
155 .csr = {
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100156 .read = rt2x00usb_register_read,
157 .write = rt2x00usb_register_write,
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100158 .flags = RT2X00DEBUGFS_OFFSET,
159 .word_base = CSR_REG_BASE,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700160 .word_size = sizeof(u32),
161 .word_count = CSR_REG_SIZE / sizeof(u32),
162 },
163 .eeprom = {
164 .read = rt2x00_eeprom_read,
165 .write = rt2x00_eeprom_write,
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100166 .word_base = EEPROM_BASE,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700167 .word_size = sizeof(u16),
168 .word_count = EEPROM_SIZE / sizeof(u16),
169 },
170 .bbp = {
171 .read = rt73usb_bbp_read,
172 .write = rt73usb_bbp_write,
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100173 .word_base = BBP_BASE,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700174 .word_size = sizeof(u8),
175 .word_count = BBP_SIZE / sizeof(u8),
176 },
177 .rf = {
178 .read = rt2x00_rf_read,
179 .write = rt73usb_rf_write,
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100180 .word_base = RF_BASE,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700181 .word_size = sizeof(u32),
182 .word_count = RF_SIZE / sizeof(u32),
183 },
184};
185#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
186
Ivo van Doorn7396faf2008-12-20 10:55:57 +0100187static int rt73usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
188{
189 u32 reg;
190
191 rt2x00usb_register_read(rt2x00dev, MAC_CSR13, &reg);
192 return rt2x00_get_field32(reg, MAC_CSR13_BIT7);
193}
Ivo van Doorn7396faf2008-12-20 10:55:57 +0100194
Ivo van Doorn771fd562008-09-08 19:07:15 +0200195#ifdef CONFIG_RT2X00_LIB_LEDS
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200196static void rt73usb_brightness_set(struct led_classdev *led_cdev,
Ivo van Doorna9450b72008-02-03 15:53:40 +0100197 enum led_brightness brightness)
198{
199 struct rt2x00_led *led =
200 container_of(led_cdev, struct rt2x00_led, led_dev);
201 unsigned int enabled = brightness != LED_OFF;
202 unsigned int a_mode =
203 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
204 unsigned int bg_mode =
205 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
206
207 if (led->type == LED_TYPE_RADIO) {
208 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
209 MCU_LEDCS_RADIO_STATUS, enabled);
210
Ivo van Doorn47b10cd2008-02-17 17:35:28 +0100211 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
212 0, led->rt2x00dev->led_mcu_reg,
213 REGISTER_TIMEOUT);
Ivo van Doorna9450b72008-02-03 15:53:40 +0100214 } else if (led->type == LED_TYPE_ASSOC) {
215 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
216 MCU_LEDCS_LINK_BG_STATUS, bg_mode);
217 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
218 MCU_LEDCS_LINK_A_STATUS, a_mode);
219
Ivo van Doorn47b10cd2008-02-17 17:35:28 +0100220 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
221 0, led->rt2x00dev->led_mcu_reg,
222 REGISTER_TIMEOUT);
Ivo van Doorna9450b72008-02-03 15:53:40 +0100223 } else if (led->type == LED_TYPE_QUALITY) {
224 /*
225 * The brightness is divided into 6 levels (0 - 5),
226 * this means we need to convert the brightness
227 * argument into the matching level within that range.
228 */
Ivo van Doorn47b10cd2008-02-17 17:35:28 +0100229 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
230 brightness / (LED_FULL / 6),
231 led->rt2x00dev->led_mcu_reg,
232 REGISTER_TIMEOUT);
Ivo van Doorna9450b72008-02-03 15:53:40 +0100233 }
234}
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200235
236static int rt73usb_blink_set(struct led_classdev *led_cdev,
237 unsigned long *delay_on,
238 unsigned long *delay_off)
239{
240 struct rt2x00_led *led =
241 container_of(led_cdev, struct rt2x00_led, led_dev);
242 u32 reg;
243
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100244 rt2x00usb_register_read(led->rt2x00dev, MAC_CSR14, &reg);
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200245 rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, *delay_on);
246 rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, *delay_off);
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100247 rt2x00usb_register_write(led->rt2x00dev, MAC_CSR14, reg);
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200248
249 return 0;
250}
Ivo van Doorn475433b2008-06-03 20:30:01 +0200251
252static void rt73usb_init_led(struct rt2x00_dev *rt2x00dev,
253 struct rt2x00_led *led,
254 enum led_type type)
255{
256 led->rt2x00dev = rt2x00dev;
257 led->type = type;
258 led->led_dev.brightness_set = rt73usb_brightness_set;
259 led->led_dev.blink_set = rt73usb_blink_set;
260 led->flags = LED_INITIALIZED;
261}
Ivo van Doorn771fd562008-09-08 19:07:15 +0200262#endif /* CONFIG_RT2X00_LIB_LEDS */
Ivo van Doorna9450b72008-02-03 15:53:40 +0100263
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700264/*
265 * Configuration handlers.
266 */
Ivo van Doorn906c1102008-08-04 16:38:24 +0200267static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
268 struct rt2x00lib_crypto *crypto,
269 struct ieee80211_key_conf *key)
270{
271 struct hw_key_entry key_entry;
272 struct rt2x00_field32 field;
Ivo van Doorn906c1102008-08-04 16:38:24 +0200273 u32 mask;
274 u32 reg;
275
276 if (crypto->cmd == SET_KEY) {
277 /*
278 * rt2x00lib can't determine the correct free
279 * key_idx for shared keys. We have 1 register
280 * with key valid bits. The goal is simple, read
281 * the register, if that is full we have no slots
282 * left.
283 * Note that each BSS is allowed to have up to 4
284 * shared keys, so put a mask over the allowed
285 * entries.
286 */
287 mask = (0xf << crypto->bssidx);
288
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100289 rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200290 reg &= mask;
291
292 if (reg && reg == mask)
293 return -ENOSPC;
294
Ivo van Doornacaf908d2008-09-22 19:40:04 +0200295 key->hw_key_idx += reg ? ffz(reg) : 0;
Ivo van Doorn906c1102008-08-04 16:38:24 +0200296
297 /*
298 * Upload key to hardware
299 */
300 memcpy(key_entry.key, crypto->key,
301 sizeof(key_entry.key));
302 memcpy(key_entry.tx_mic, crypto->tx_mic,
303 sizeof(key_entry.tx_mic));
304 memcpy(key_entry.rx_mic, crypto->rx_mic,
305 sizeof(key_entry.rx_mic));
306
307 reg = SHARED_KEY_ENTRY(key->hw_key_idx);
Gertjan van Wingerde96b61ba2010-06-03 10:51:51 +0200308 rt2x00usb_register_multiwrite(rt2x00dev, reg,
309 &key_entry, sizeof(key_entry));
Ivo van Doorn906c1102008-08-04 16:38:24 +0200310
311 /*
312 * The cipher types are stored over 2 registers.
313 * bssidx 0 and 1 keys are stored in SEC_CSR1 and
314 * bssidx 1 and 2 keys are stored in SEC_CSR5.
315 * Using the correct defines correctly will cause overhead,
316 * so just calculate the correct offset.
317 */
318 if (key->hw_key_idx < 8) {
319 field.bit_offset = (3 * key->hw_key_idx);
320 field.bit_mask = 0x7 << field.bit_offset;
321
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100322 rt2x00usb_register_read(rt2x00dev, SEC_CSR1, &reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200323 rt2x00_set_field32(&reg, field, crypto->cipher);
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100324 rt2x00usb_register_write(rt2x00dev, SEC_CSR1, reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200325 } else {
326 field.bit_offset = (3 * (key->hw_key_idx - 8));
327 field.bit_mask = 0x7 << field.bit_offset;
328
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100329 rt2x00usb_register_read(rt2x00dev, SEC_CSR5, &reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200330 rt2x00_set_field32(&reg, field, crypto->cipher);
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100331 rt2x00usb_register_write(rt2x00dev, SEC_CSR5, reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200332 }
333
334 /*
335 * The driver does not support the IV/EIV generation
336 * in hardware. However it doesn't support the IV/EIV
337 * inside the ieee80211 frame either, but requires it
Daniel Mack3ad2f3f2010-02-03 08:01:28 +0800338 * to be provided separately for the descriptor.
Ivo van Doorn906c1102008-08-04 16:38:24 +0200339 * rt2x00lib will cut the IV/EIV data out of all frames
340 * given to us by mac80211, but we must tell mac80211
341 * to generate the IV/EIV data.
342 */
343 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
344 }
345
346 /*
347 * SEC_CSR0 contains only single-bit fields to indicate
348 * a particular key is valid. Because using the FIELD32()
349 * defines directly will cause a lot of overhead we use
350 * a calculation to determine the correct bit directly.
351 */
352 mask = 1 << key->hw_key_idx;
353
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100354 rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200355 if (crypto->cmd == SET_KEY)
356 reg |= mask;
357 else if (crypto->cmd == DISABLE_KEY)
358 reg &= ~mask;
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100359 rt2x00usb_register_write(rt2x00dev, SEC_CSR0, reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200360
361 return 0;
362}
363
364static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
365 struct rt2x00lib_crypto *crypto,
366 struct ieee80211_key_conf *key)
367{
368 struct hw_pairwise_ta_entry addr_entry;
369 struct hw_key_entry key_entry;
Ivo van Doorn906c1102008-08-04 16:38:24 +0200370 u32 mask;
371 u32 reg;
372
373 if (crypto->cmd == SET_KEY) {
374 /*
375 * rt2x00lib can't determine the correct free
376 * key_idx for pairwise keys. We have 2 registers
377 * with key valid bits. The goal is simple, read
378 * the first register, if that is full move to
379 * the next register.
380 * When both registers are full, we drop the key,
381 * otherwise we use the first invalid entry.
382 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100383 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200384 if (reg && reg == ~0) {
385 key->hw_key_idx = 32;
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100386 rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200387 if (reg && reg == ~0)
388 return -ENOSPC;
389 }
390
Ivo van Doornacaf908d2008-09-22 19:40:04 +0200391 key->hw_key_idx += reg ? ffz(reg) : 0;
Ivo van Doorn906c1102008-08-04 16:38:24 +0200392
393 /*
394 * Upload key to hardware
395 */
396 memcpy(key_entry.key, crypto->key,
397 sizeof(key_entry.key));
398 memcpy(key_entry.tx_mic, crypto->tx_mic,
399 sizeof(key_entry.tx_mic));
400 memcpy(key_entry.rx_mic, crypto->rx_mic,
401 sizeof(key_entry.rx_mic));
402
403 reg = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
Gertjan van Wingerde96b61ba2010-06-03 10:51:51 +0200404 rt2x00usb_register_multiwrite(rt2x00dev, reg,
405 &key_entry, sizeof(key_entry));
Ivo van Doorn906c1102008-08-04 16:38:24 +0200406
407 /*
408 * Send the address and cipher type to the hardware register.
Ivo van Doorn906c1102008-08-04 16:38:24 +0200409 */
410 memset(&addr_entry, 0, sizeof(addr_entry));
411 memcpy(&addr_entry, crypto->address, ETH_ALEN);
412 addr_entry.cipher = crypto->cipher;
413
414 reg = PAIRWISE_TA_ENTRY(key->hw_key_idx);
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100415 rt2x00usb_register_multiwrite(rt2x00dev, reg,
Ivo van Doorn906c1102008-08-04 16:38:24 +0200416 &addr_entry, sizeof(addr_entry));
417
418 /*
419 * Enable pairwise lookup table for given BSS idx,
420 * without this received frames will not be decrypted
421 * by the hardware.
422 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100423 rt2x00usb_register_read(rt2x00dev, SEC_CSR4, &reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200424 reg |= (1 << crypto->bssidx);
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100425 rt2x00usb_register_write(rt2x00dev, SEC_CSR4, reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200426
427 /*
428 * The driver does not support the IV/EIV generation
429 * in hardware. However it doesn't support the IV/EIV
430 * inside the ieee80211 frame either, but requires it
Daniel Mack3ad2f3f2010-02-03 08:01:28 +0800431 * to be provided separately for the descriptor.
Ivo van Doorn906c1102008-08-04 16:38:24 +0200432 * rt2x00lib will cut the IV/EIV data out of all frames
433 * given to us by mac80211, but we must tell mac80211
434 * to generate the IV/EIV data.
435 */
436 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
437 }
438
439 /*
440 * SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate
441 * a particular key is valid. Because using the FIELD32()
442 * defines directly will cause a lot of overhead we use
443 * a calculation to determine the correct bit directly.
444 */
445 if (key->hw_key_idx < 32) {
446 mask = 1 << key->hw_key_idx;
447
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100448 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200449 if (crypto->cmd == SET_KEY)
450 reg |= mask;
451 else if (crypto->cmd == DISABLE_KEY)
452 reg &= ~mask;
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100453 rt2x00usb_register_write(rt2x00dev, SEC_CSR2, reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200454 } else {
455 mask = 1 << (key->hw_key_idx - 32);
456
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100457 rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200458 if (crypto->cmd == SET_KEY)
459 reg |= mask;
460 else if (crypto->cmd == DISABLE_KEY)
461 reg &= ~mask;
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100462 rt2x00usb_register_write(rt2x00dev, SEC_CSR3, reg);
Ivo van Doorn906c1102008-08-04 16:38:24 +0200463 }
464
465 return 0;
466}
467
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100468static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev,
469 const unsigned int filter_flags)
470{
471 u32 reg;
472
473 /*
474 * Start configuration steps.
475 * Note that the version error will always be dropped
476 * and broadcast frames will always be accepted since
477 * there is no filter for it at this time.
478 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100479 rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100480 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
481 !(filter_flags & FIF_FCSFAIL));
482 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
483 !(filter_flags & FIF_PLCPFAIL));
484 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
Igor Perminov1afcfd542009-08-08 23:55:55 +0200485 !(filter_flags & (FIF_CONTROL | FIF_PSPOLL)));
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100486 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
487 !(filter_flags & FIF_PROMISC_IN_BSS));
488 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
Ivo van Doorne0b005f2008-03-31 15:24:53 +0200489 !(filter_flags & FIF_PROMISC_IN_BSS) &&
490 !rt2x00dev->intf_ap_count);
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100491 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
492 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
493 !(filter_flags & FIF_ALLMULTI));
494 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0);
495 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS,
496 !(filter_flags & FIF_CONTROL));
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100497 rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100498}
499
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100500static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
501 struct rt2x00_intf *intf,
502 struct rt2x00intf_conf *conf,
503 const unsigned int flags)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700504{
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700505 u32 reg;
506
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100507 if (flags & CONFIG_UPDATE_TYPE) {
508 /*
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100509 * Enable synchronisation.
510 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100511 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100512 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync);
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100513 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
Ivo van Doorn5c58ee52007-10-06 13:34:52 +0200514 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700515
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100516 if (flags & CONFIG_UPDATE_MAC) {
517 reg = le32_to_cpu(conf->mac[1]);
518 rt2x00_set_field32(&reg, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
519 conf->mac[1] = cpu_to_le32(reg);
520
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100521 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR2,
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100522 conf->mac, sizeof(conf->mac));
523 }
524
525 if (flags & CONFIG_UPDATE_BSSID) {
526 reg = le32_to_cpu(conf->bssid[1]);
527 rt2x00_set_field32(&reg, MAC_CSR5_BSS_ID_MASK, 3);
528 conf->bssid[1] = cpu_to_le32(reg);
529
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100530 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR4,
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100531 conf->bssid, sizeof(conf->bssid));
532 }
533}
534
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100535static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
Helmut Schaa02044642010-09-08 20:56:32 +0200536 struct rt2x00lib_erp *erp,
537 u32 changed)
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100538{
539 u32 reg;
540
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100541 rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
Ivo van Doorn47896662009-09-06 15:14:23 +0200542 rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, 0x32);
Ivo van Doorn8a566af2009-05-21 19:16:46 +0200543 rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100544 rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700545
Helmut Schaa02044642010-09-08 20:56:32 +0200546 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
547 rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
548 rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
549 rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
550 !!erp->short_preamble);
551 rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
552 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700553
Helmut Schaa02044642010-09-08 20:56:32 +0200554 if (changed & BSS_CHANGED_BASIC_RATES)
555 rt2x00usb_register_write(rt2x00dev, TXRX_CSR5,
556 erp->basic_rates);
Ivo van Doornba2ab472008-08-06 16:22:17 +0200557
Helmut Schaa02044642010-09-08 20:56:32 +0200558 if (changed & BSS_CHANGED_BEACON_INT) {
559 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
560 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
561 erp->beacon_int * 16);
562 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
563 }
Ivo van Doorn8a566af2009-05-21 19:16:46 +0200564
Helmut Schaa02044642010-09-08 20:56:32 +0200565 if (changed & BSS_CHANGED_ERP_SLOT) {
566 rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
567 rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
568 rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
Ivo van Doornba2ab472008-08-06 16:22:17 +0200569
Helmut Schaa02044642010-09-08 20:56:32 +0200570 rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg);
571 rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs);
572 rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
573 rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs);
574 rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg);
575 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700576}
577
578static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
Ivo van Doornaddc81bd2007-10-13 16:26:23 +0200579 struct antenna_setup *ant)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700580{
581 u8 r3;
582 u8 r4;
583 u8 r77;
Mattias Nissler2676c942007-10-27 13:42:37 +0200584 u8 temp;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700585
586 rt73usb_bbp_read(rt2x00dev, 3, &r3);
587 rt73usb_bbp_read(rt2x00dev, 4, &r4);
588 rt73usb_bbp_read(rt2x00dev, 77, &r77);
589
590 rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
591
Ivo van Doorne4cd2ff2007-10-27 13:39:57 +0200592 /*
Ivo van Doorne4cd2ff2007-10-27 13:39:57 +0200593 * Configure the RX antenna.
594 */
Ivo van Doornaddc81bd2007-10-13 16:26:23 +0200595 switch (ant->rx) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700596 case ANTENNA_HW_DIVERSITY:
Mattias Nissler2676c942007-10-27 13:42:37 +0200597 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
598 temp = !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)
Johannes Berg8318d782008-01-24 19:38:38 +0100599 && (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ);
Mattias Nissler2676c942007-10-27 13:42:37 +0200600 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, temp);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700601 break;
602 case ANTENNA_A:
Mattias Nissler2676c942007-10-27 13:42:37 +0200603 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700604 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
Johannes Berg8318d782008-01-24 19:38:38 +0100605 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
Mattias Nissler2676c942007-10-27 13:42:37 +0200606 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
607 else
608 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700609 break;
610 case ANTENNA_B:
Ivo van Doorna4fe07d2008-03-09 22:45:21 +0100611 default:
Mattias Nissler2676c942007-10-27 13:42:37 +0200612 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700613 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
Johannes Berg8318d782008-01-24 19:38:38 +0100614 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
Mattias Nissler2676c942007-10-27 13:42:37 +0200615 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
616 else
617 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700618 break;
619 }
620
621 rt73usb_bbp_write(rt2x00dev, 77, r77);
622 rt73usb_bbp_write(rt2x00dev, 3, r3);
623 rt73usb_bbp_write(rt2x00dev, 4, r4);
624}
625
626static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
Ivo van Doornaddc81bd2007-10-13 16:26:23 +0200627 struct antenna_setup *ant)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700628{
629 u8 r3;
630 u8 r4;
631 u8 r77;
632
633 rt73usb_bbp_read(rt2x00dev, 3, &r3);
634 rt73usb_bbp_read(rt2x00dev, 4, &r4);
635 rt73usb_bbp_read(rt2x00dev, 77, &r77);
636
637 rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
638 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
639 !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
640
Ivo van Doorne4cd2ff2007-10-27 13:39:57 +0200641 /*
Ivo van Doorne4cd2ff2007-10-27 13:39:57 +0200642 * Configure the RX antenna.
643 */
Ivo van Doornaddc81bd2007-10-13 16:26:23 +0200644 switch (ant->rx) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700645 case ANTENNA_HW_DIVERSITY:
Mattias Nissler2676c942007-10-27 13:42:37 +0200646 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700647 break;
648 case ANTENNA_A:
Mattias Nissler2676c942007-10-27 13:42:37 +0200649 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
650 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700651 break;
652 case ANTENNA_B:
Ivo van Doorna4fe07d2008-03-09 22:45:21 +0100653 default:
Mattias Nissler2676c942007-10-27 13:42:37 +0200654 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
655 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700656 break;
657 }
658
659 rt73usb_bbp_write(rt2x00dev, 77, r77);
660 rt73usb_bbp_write(rt2x00dev, 3, r3);
661 rt73usb_bbp_write(rt2x00dev, 4, r4);
662}
663
664struct antenna_sel {
665 u8 word;
666 /*
667 * value[0] -> non-LNA
668 * value[1] -> LNA
669 */
670 u8 value[2];
671};
672
673static const struct antenna_sel antenna_sel_a[] = {
674 { 96, { 0x58, 0x78 } },
675 { 104, { 0x38, 0x48 } },
676 { 75, { 0xfe, 0x80 } },
677 { 86, { 0xfe, 0x80 } },
678 { 88, { 0xfe, 0x80 } },
679 { 35, { 0x60, 0x60 } },
680 { 97, { 0x58, 0x58 } },
681 { 98, { 0x58, 0x58 } },
682};
683
684static const struct antenna_sel antenna_sel_bg[] = {
685 { 96, { 0x48, 0x68 } },
686 { 104, { 0x2c, 0x3c } },
687 { 75, { 0xfe, 0x80 } },
688 { 86, { 0xfe, 0x80 } },
689 { 88, { 0xfe, 0x80 } },
690 { 35, { 0x50, 0x50 } },
691 { 97, { 0x48, 0x48 } },
692 { 98, { 0x48, 0x48 } },
693};
694
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100695static void rt73usb_config_ant(struct rt2x00_dev *rt2x00dev,
696 struct antenna_setup *ant)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700697{
698 const struct antenna_sel *sel;
699 unsigned int lna;
700 unsigned int i;
701 u32 reg;
702
Ivo van Doorna4fe07d2008-03-09 22:45:21 +0100703 /*
704 * We should never come here because rt2x00lib is supposed
705 * to catch this and send us the correct antenna explicitely.
706 */
707 BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
708 ant->tx == ANTENNA_SW_DIVERSITY);
709
Johannes Berg8318d782008-01-24 19:38:38 +0100710 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700711 sel = antenna_sel_a;
712 lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700713 } else {
714 sel = antenna_sel_bg;
715 lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700716 }
717
Mattias Nissler2676c942007-10-27 13:42:37 +0200718 for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
719 rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
720
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100721 rt2x00usb_register_read(rt2x00dev, PHY_CSR0, &reg);
Mattias Nissler2676c942007-10-27 13:42:37 +0200722
Ivo van Doornddc827f2007-10-13 16:26:42 +0200723 rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG,
Johannes Berg8318d782008-01-24 19:38:38 +0100724 (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ));
Ivo van Doornddc827f2007-10-13 16:26:42 +0200725 rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A,
Johannes Berg8318d782008-01-24 19:38:38 +0100726 (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ));
Ivo van Doornddc827f2007-10-13 16:26:42 +0200727
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100728 rt2x00usb_register_write(rt2x00dev, PHY_CSR0, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700729
Gertjan van Wingerde5122d892009-12-23 00:03:25 +0100730 if (rt2x00_rf(rt2x00dev, RF5226) || rt2x00_rf(rt2x00dev, RF5225))
Ivo van Doornaddc81bd2007-10-13 16:26:23 +0200731 rt73usb_config_antenna_5x(rt2x00dev, ant);
Gertjan van Wingerde5122d892009-12-23 00:03:25 +0100732 else if (rt2x00_rf(rt2x00dev, RF2528) || rt2x00_rf(rt2x00dev, RF2527))
Ivo van Doornaddc81bd2007-10-13 16:26:23 +0200733 rt73usb_config_antenna_2x(rt2x00dev, ant);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700734}
735
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100736static void rt73usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
737 struct rt2x00lib_conf *libconf)
738{
739 u16 eeprom;
740 short lna_gain = 0;
741
742 if (libconf->conf->channel->band == IEEE80211_BAND_2GHZ) {
743 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
744 lna_gain += 14;
745
746 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom);
747 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1);
748 } else {
749 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom);
750 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1);
751 }
752
753 rt2x00dev->lna_gain = lna_gain;
754}
755
756static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
757 struct rf_channel *rf, const int txpower)
758{
759 u8 r3;
760 u8 r94;
761 u8 smart;
762
763 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
764 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
765
Gertjan van Wingerde5122d892009-12-23 00:03:25 +0100766 smart = !(rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527));
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100767
768 rt73usb_bbp_read(rt2x00dev, 3, &r3);
769 rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
770 rt73usb_bbp_write(rt2x00dev, 3, r3);
771
772 r94 = 6;
773 if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
774 r94 += txpower - MAX_TXPOWER;
775 else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
776 r94 += txpower;
777 rt73usb_bbp_write(rt2x00dev, 94, r94);
778
779 rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
780 rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
781 rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
782 rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
783
784 rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
785 rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
786 rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
787 rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
788
789 rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
790 rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
791 rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
792 rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
793
794 udelay(10);
795}
796
797static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
798 const int txpower)
799{
800 struct rf_channel rf;
801
802 rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
803 rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
804 rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
805 rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
806
807 rt73usb_config_channel(rt2x00dev, &rf, txpower);
808}
809
810static void rt73usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
811 struct rt2x00lib_conf *libconf)
812{
813 u32 reg;
814
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100815 rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
Ivo van Doorne1b4d7b2010-06-14 22:12:54 +0200816 rt2x00_set_field32(&reg, TXRX_CSR4_OFDM_TX_RATE_DOWN, 1);
817 rt2x00_set_field32(&reg, TXRX_CSR4_OFDM_TX_RATE_STEP, 0);
818 rt2x00_set_field32(&reg, TXRX_CSR4_OFDM_TX_FALLBACK_CCK, 0);
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100819 rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT,
820 libconf->conf->long_frame_max_tx_count);
821 rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT,
822 libconf->conf->short_frame_max_tx_count);
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100823 rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100824}
825
Ivo van Doorn7d7f19c2008-12-20 10:52:42 +0100826static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
827 struct rt2x00lib_conf *libconf)
828{
829 enum dev_state state =
830 (libconf->conf->flags & IEEE80211_CONF_PS) ?
831 STATE_SLEEP : STATE_AWAKE;
832 u32 reg;
833
834 if (state == STATE_SLEEP) {
835 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
836 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN,
Ivo van Doorn6b347bf2009-05-23 21:09:28 +0200837 rt2x00dev->beacon_int - 10);
Ivo van Doorn7d7f19c2008-12-20 10:52:42 +0100838 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP,
839 libconf->conf->listen_interval - 1);
840 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5);
841
842 /* We must first disable autowake before it can be enabled */
843 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
844 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
845
846 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 1);
847 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
848
849 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
850 USB_MODE_SLEEP, REGISTER_TIMEOUT);
851 } else {
Ivo van Doorn7d7f19c2008-12-20 10:52:42 +0100852 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
853 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, 0);
854 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0);
855 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
856 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 0);
857 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
Gertjan van Wingerde57318582010-03-30 23:50:23 +0200858
859 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
860 USB_MODE_WAKEUP, REGISTER_TIMEOUT);
Ivo van Doorn7d7f19c2008-12-20 10:52:42 +0100861 }
862}
863
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700864static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100865 struct rt2x00lib_conf *libconf,
866 const unsigned int flags)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700867{
Ivo van Doornba2ab472008-08-06 16:22:17 +0200868 /* Always recalculate LNA gain before changing configuration */
869 rt73usb_config_lna_gain(rt2x00dev, libconf);
870
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100871 if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
Ivo van Doorn5c58ee52007-10-06 13:34:52 +0200872 rt73usb_config_channel(rt2x00dev, &libconf->rf,
873 libconf->conf->power_level);
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100874 if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
875 !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
Ivo van Doorn5c58ee52007-10-06 13:34:52 +0200876 rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level);
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100877 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
878 rt73usb_config_retry_limit(rt2x00dev, libconf);
Ivo van Doorn7d7f19c2008-12-20 10:52:42 +0100879 if (flags & IEEE80211_CONF_CHANGE_PS)
880 rt73usb_config_ps(rt2x00dev, libconf);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700881}
882
883/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700884 * Link tuning
885 */
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200886static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev,
887 struct link_qual *qual)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700888{
889 u32 reg;
890
891 /*
892 * Update FCS error count from register.
893 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100894 rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200895 qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700896
897 /*
898 * Update False CCA count from register.
899 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +0100900 rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200901 qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700902}
903
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100904static inline void rt73usb_set_vgc(struct rt2x00_dev *rt2x00dev,
905 struct link_qual *qual, u8 vgc_level)
Ivo van Doorneb20b4e2008-12-20 10:54:22 +0100906{
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100907 if (qual->vgc_level != vgc_level) {
Ivo van Doorneb20b4e2008-12-20 10:54:22 +0100908 rt73usb_bbp_write(rt2x00dev, 17, vgc_level);
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100909 qual->vgc_level = vgc_level;
910 qual->vgc_level_reg = vgc_level;
Ivo van Doorneb20b4e2008-12-20 10:54:22 +0100911 }
912}
913
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100914static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
915 struct link_qual *qual)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700916{
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100917 rt73usb_set_vgc(rt2x00dev, qual, 0x20);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700918}
919
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100920static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev,
921 struct link_qual *qual, const u32 count)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700922{
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700923 u8 up_bound;
924 u8 low_bound;
925
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700926 /*
927 * Determine r17 bounds.
928 */
Ivo van Doorne5ef5ba2010-08-06 20:49:27 +0200929 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700930 low_bound = 0x28;
931 up_bound = 0x48;
932
933 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
934 low_bound += 0x10;
935 up_bound += 0x10;
936 }
937 } else {
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100938 if (qual->rssi > -82) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700939 low_bound = 0x1c;
940 up_bound = 0x40;
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100941 } else if (qual->rssi > -84) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700942 low_bound = 0x1c;
943 up_bound = 0x20;
944 } else {
945 low_bound = 0x1c;
946 up_bound = 0x1c;
947 }
948
949 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
950 low_bound += 0x14;
951 up_bound += 0x10;
952 }
953 }
954
955 /*
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100956 * If we are not associated, we should go straight to the
957 * dynamic CCA tuning.
958 */
959 if (!rt2x00dev->intf_associated)
960 goto dynamic_cca_tune;
961
962 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700963 * Special big-R17 for very short distance
964 */
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100965 if (qual->rssi > -35) {
966 rt73usb_set_vgc(rt2x00dev, qual, 0x60);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700967 return;
968 }
969
970 /*
971 * Special big-R17 for short distance
972 */
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100973 if (qual->rssi >= -58) {
974 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700975 return;
976 }
977
978 /*
979 * Special big-R17 for middle-short distance
980 */
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100981 if (qual->rssi >= -66) {
982 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x10);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700983 return;
984 }
985
986 /*
987 * Special mid-R17 for middle distance
988 */
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100989 if (qual->rssi >= -74) {
990 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x08);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700991 return;
992 }
993
994 /*
995 * Special case: Change up_bound based on the rssi.
996 * Lower up_bound when rssi is weaker then -74 dBm.
997 */
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100998 up_bound -= 2 * (-74 - qual->rssi);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700999 if (low_bound > up_bound)
1000 up_bound = low_bound;
1001
Ivo van Doorn5352ff62008-12-20 10:54:54 +01001002 if (qual->vgc_level > up_bound) {
1003 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001004 return;
1005 }
1006
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +01001007dynamic_cca_tune:
1008
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001009 /*
1010 * r17 does not yet exceed upper limit, continue and base
1011 * the r17 tuning on the false CCA count.
1012 */
Ivo van Doorn5352ff62008-12-20 10:54:54 +01001013 if ((qual->false_cca > 512) && (qual->vgc_level < up_bound))
1014 rt73usb_set_vgc(rt2x00dev, qual,
1015 min_t(u8, qual->vgc_level + 4, up_bound));
1016 else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound))
1017 rt73usb_set_vgc(rt2x00dev, qual,
1018 max_t(u8, qual->vgc_level - 4, low_bound));
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001019}
1020
1021/*
Ivo van Doorn5450b7e2010-12-13 12:34:22 +01001022 * Queue handlers.
1023 */
1024static void rt73usb_start_queue(struct data_queue *queue)
1025{
1026 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
1027 u32 reg;
1028
1029 switch (queue->qid) {
1030 case QID_RX:
1031 rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1032 rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
1033 rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1034 break;
1035 case QID_BEACON:
1036 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1037 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
1038 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
1039 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1040 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1041 break;
1042 default:
1043 break;
1044 }
1045}
1046
1047static void rt73usb_stop_queue(struct data_queue *queue)
1048{
1049 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
1050 u32 reg;
1051
1052 switch (queue->qid) {
1053 case QID_RX:
1054 rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1055 rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 1);
1056 rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1057 break;
1058 case QID_BEACON:
1059 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1060 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1061 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1062 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1063 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1064 break;
1065 default:
1066 break;
1067 }
Ivo van Doorn5450b7e2010-12-13 12:34:22 +01001068}
1069
1070/*
Ivo van Doorna7f3a062008-03-09 22:44:54 +01001071 * Firmware functions
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001072 */
1073static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
1074{
1075 return FIRMWARE_RT2571;
1076}
1077
Ivo van Doorn0cbe0062009-01-28 00:33:47 +01001078static int rt73usb_check_firmware(struct rt2x00_dev *rt2x00dev,
1079 const u8 *data, const size_t len)
Ivo van Doorna7f3a062008-03-09 22:44:54 +01001080{
Ivo van Doorn0cbe0062009-01-28 00:33:47 +01001081 u16 fw_crc;
Ivo van Doorna7f3a062008-03-09 22:44:54 +01001082 u16 crc;
1083
1084 /*
Ivo van Doorn0cbe0062009-01-28 00:33:47 +01001085 * Only support 2kb firmware files.
1086 */
1087 if (len != 2048)
1088 return FW_BAD_LENGTH;
1089
1090 /*
Ivo van Doorna7f3a062008-03-09 22:44:54 +01001091 * The last 2 bytes in the firmware array are the crc checksum itself,
1092 * this means that we should never pass those 2 bytes to the crc
1093 * algorithm.
1094 */
Ivo van Doorn0cbe0062009-01-28 00:33:47 +01001095 fw_crc = (data[len - 2] << 8 | data[len - 1]);
1096
1097 /*
1098 * Use the crc itu-t algorithm.
1099 */
Ivo van Doorna7f3a062008-03-09 22:44:54 +01001100 crc = crc_itu_t(0, data, len - 2);
1101 crc = crc_itu_t_byte(crc, 0);
1102 crc = crc_itu_t_byte(crc, 0);
1103
Ivo van Doorn0cbe0062009-01-28 00:33:47 +01001104 return (fw_crc == crc) ? FW_OK : FW_BAD_CRC;
Ivo van Doorna7f3a062008-03-09 22:44:54 +01001105}
1106
Ivo van Doorn0cbe0062009-01-28 00:33:47 +01001107static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev,
1108 const u8 *data, const size_t len)
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001109{
1110 unsigned int i;
1111 int status;
1112 u32 reg;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001113
1114 /*
1115 * Wait for stable hardware.
1116 */
1117 for (i = 0; i < 100; i++) {
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001118 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001119 if (reg)
1120 break;
1121 msleep(1);
1122 }
1123
1124 if (!reg) {
1125 ERROR(rt2x00dev, "Unstable hardware.\n");
1126 return -EBUSY;
1127 }
1128
1129 /*
1130 * Write firmware to device.
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001131 */
Gertjan van Wingerde96b61ba2010-06-03 10:51:51 +02001132 rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, data, len);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001133
1134 /*
1135 * Send firmware request to device to load firmware,
1136 * we need to specify a long timeout time.
1137 */
1138 status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
Ivo van Doorn3b640f22008-02-03 15:54:11 +01001139 0, USB_MODE_FIRMWARE,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001140 REGISTER_TIMEOUT_FIRMWARE);
1141 if (status < 0) {
1142 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
1143 return status;
1144 }
1145
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001146 return 0;
1147}
1148
Ivo van Doorna7f3a062008-03-09 22:44:54 +01001149/*
1150 * Initialization functions.
1151 */
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001152static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
1153{
1154 u32 reg;
1155
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001156 rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001157 rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
1158 rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
1159 rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001160 rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001161
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001162 rt2x00usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001163 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
1164 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
1165 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
1166 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
1167 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
1168 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
1169 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
1170 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001171 rt2x00usb_register_write(rt2x00dev, TXRX_CSR1, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001172
1173 /*
1174 * CCK TXD BBP registers
1175 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001176 rt2x00usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001177 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
1178 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
1179 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
1180 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
1181 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
1182 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
1183 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
1184 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001185 rt2x00usb_register_write(rt2x00dev, TXRX_CSR2, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001186
1187 /*
1188 * OFDM TXD BBP registers
1189 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001190 rt2x00usb_register_read(rt2x00dev, TXRX_CSR3, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001191 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
1192 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
1193 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
1194 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
1195 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
1196 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001197 rt2x00usb_register_write(rt2x00dev, TXRX_CSR3, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001198
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001199 rt2x00usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001200 rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
1201 rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
1202 rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
1203 rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001204 rt2x00usb_register_write(rt2x00dev, TXRX_CSR7, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001205
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001206 rt2x00usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001207 rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
1208 rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
1209 rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
1210 rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001211 rt2x00usb_register_write(rt2x00dev, TXRX_CSR8, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001212
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001213 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
Ivo van Doorn1f909162008-07-08 13:45:20 +02001214 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0);
1215 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1216 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
1217 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1218 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1219 rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001220 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
Ivo van Doorn1f909162008-07-08 13:45:20 +02001221
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001222 rt2x00usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001223
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001224 rt2x00usb_register_read(rt2x00dev, MAC_CSR6, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001225 rt2x00_set_field32(&reg, MAC_CSR6_MAX_FRAME_UNIT, 0xfff);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001226 rt2x00usb_register_write(rt2x00dev, MAC_CSR6, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001227
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001228 rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001229
1230 if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
1231 return -EBUSY;
1232
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001233 rt2x00usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001234
1235 /*
1236 * Invalidate all Shared Keys (SEC_CSR0),
1237 * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
1238 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001239 rt2x00usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
1240 rt2x00usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
1241 rt2x00usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001242
1243 reg = 0x000023b0;
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01001244 if (rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527))
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001245 rt2x00_set_field32(&reg, PHY_CSR1_RF_RPI, 1);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001246 rt2x00usb_register_write(rt2x00dev, PHY_CSR1, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001247
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001248 rt2x00usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06);
1249 rt2x00usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
1250 rt2x00usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001251
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001252 rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001253 rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001254 rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001255
1256 /*
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +01001257 * Clear all beacons
1258 * For the Beacon base registers we only need to clear
1259 * the first byte since that byte contains the VALID and OWNER
1260 * bits which (when set to 0) will invalidate the entire beacon.
1261 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001262 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1263 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1264 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1265 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +01001266
1267 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001268 * We must clear the error counters.
1269 * These registers are cleared on read,
1270 * so we may pass a useless variable to store the value.
1271 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001272 rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
1273 rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
1274 rt2x00usb_register_read(rt2x00dev, STA_CSR2, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001275
1276 /*
1277 * Reset MAC and BBP registers.
1278 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001279 rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001280 rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
1281 rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001282 rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001283
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001284 rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001285 rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
1286 rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001287 rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001288
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001289 rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001290 rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001291 rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001292
1293 return 0;
1294}
1295
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001296static int rt73usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1297{
1298 unsigned int i;
1299 u8 value;
1300
1301 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1302 rt73usb_bbp_read(rt2x00dev, 0, &value);
1303 if ((value != 0xff) && (value != 0x00))
1304 return 0;
1305 udelay(REGISTER_BUSY_DELAY);
1306 }
1307
1308 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1309 return -EACCES;
1310}
1311
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001312static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev)
1313{
1314 unsigned int i;
1315 u16 eeprom;
1316 u8 reg_id;
1317 u8 value;
1318
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001319 if (unlikely(rt73usb_wait_bbp_ready(rt2x00dev)))
1320 return -EACCES;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001321
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001322 rt73usb_bbp_write(rt2x00dev, 3, 0x80);
1323 rt73usb_bbp_write(rt2x00dev, 15, 0x30);
1324 rt73usb_bbp_write(rt2x00dev, 21, 0xc8);
1325 rt73usb_bbp_write(rt2x00dev, 22, 0x38);
1326 rt73usb_bbp_write(rt2x00dev, 23, 0x06);
1327 rt73usb_bbp_write(rt2x00dev, 24, 0xfe);
1328 rt73usb_bbp_write(rt2x00dev, 25, 0x0a);
1329 rt73usb_bbp_write(rt2x00dev, 26, 0x0d);
1330 rt73usb_bbp_write(rt2x00dev, 32, 0x0b);
1331 rt73usb_bbp_write(rt2x00dev, 34, 0x12);
1332 rt73usb_bbp_write(rt2x00dev, 37, 0x07);
1333 rt73usb_bbp_write(rt2x00dev, 39, 0xf8);
1334 rt73usb_bbp_write(rt2x00dev, 41, 0x60);
1335 rt73usb_bbp_write(rt2x00dev, 53, 0x10);
1336 rt73usb_bbp_write(rt2x00dev, 54, 0x18);
1337 rt73usb_bbp_write(rt2x00dev, 60, 0x10);
1338 rt73usb_bbp_write(rt2x00dev, 61, 0x04);
1339 rt73usb_bbp_write(rt2x00dev, 62, 0x04);
1340 rt73usb_bbp_write(rt2x00dev, 75, 0xfe);
1341 rt73usb_bbp_write(rt2x00dev, 86, 0xfe);
1342 rt73usb_bbp_write(rt2x00dev, 88, 0xfe);
1343 rt73usb_bbp_write(rt2x00dev, 90, 0x0f);
1344 rt73usb_bbp_write(rt2x00dev, 99, 0x00);
1345 rt73usb_bbp_write(rt2x00dev, 102, 0x16);
1346 rt73usb_bbp_write(rt2x00dev, 107, 0x04);
1347
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001348 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1349 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1350
1351 if (eeprom != 0xffff && eeprom != 0x0000) {
1352 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1353 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001354 rt73usb_bbp_write(rt2x00dev, reg_id, value);
1355 }
1356 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001357
1358 return 0;
1359}
1360
1361/*
1362 * Device state switch handlers.
1363 */
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001364static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1365{
1366 /*
1367 * Initialize all registers.
1368 */
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001369 if (unlikely(rt73usb_init_registers(rt2x00dev) ||
1370 rt73usb_init_bbp(rt2x00dev)))
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001371 return -EIO;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001372
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001373 return 0;
1374}
1375
1376static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1377{
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001378 rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001379
1380 /*
1381 * Disable synchronisation.
1382 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001383 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, 0);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001384
1385 rt2x00usb_disable_radio(rt2x00dev);
1386}
1387
1388static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
1389{
Gertjan van Wingerde9655a6e2010-05-13 21:16:03 +02001390 u32 reg, reg2;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001391 unsigned int i;
1392 char put_to_sleep;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001393
1394 put_to_sleep = (state != STATE_AWAKE);
1395
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001396 rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001397 rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
1398 rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001399 rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001400
1401 /*
1402 * Device is not guaranteed to be in the requested state yet.
1403 * We must wait until the register indicates that the
1404 * device has entered the correct state.
1405 */
1406 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
Gertjan van Wingerde9655a6e2010-05-13 21:16:03 +02001407 rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg2);
1408 state = rt2x00_get_field32(reg2, MAC_CSR12_BBP_CURRENT_STATE);
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001409 if (state == !put_to_sleep)
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001410 return 0;
Gertjan van Wingerde9655a6e2010-05-13 21:16:03 +02001411 rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001412 msleep(10);
1413 }
1414
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001415 return -EBUSY;
1416}
1417
1418static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1419 enum dev_state state)
1420{
1421 int retval = 0;
1422
1423 switch (state) {
1424 case STATE_RADIO_ON:
1425 retval = rt73usb_enable_radio(rt2x00dev);
1426 break;
1427 case STATE_RADIO_OFF:
1428 rt73usb_disable_radio(rt2x00dev);
1429 break;
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001430 case STATE_RADIO_IRQ_ON:
Helmut Schaa78e256c2010-07-11 12:26:48 +02001431 case STATE_RADIO_IRQ_ON_ISR:
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001432 case STATE_RADIO_IRQ_OFF:
Helmut Schaa78e256c2010-07-11 12:26:48 +02001433 case STATE_RADIO_IRQ_OFF_ISR:
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001434 /* No support, but no error either */
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001435 break;
1436 case STATE_DEEP_SLEEP:
1437 case STATE_SLEEP:
1438 case STATE_STANDBY:
1439 case STATE_AWAKE:
1440 retval = rt73usb_set_state(rt2x00dev, state);
1441 break;
1442 default:
1443 retval = -ENOTSUPP;
1444 break;
1445 }
1446
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001447 if (unlikely(retval))
1448 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1449 state, retval);
1450
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001451 return retval;
1452}
1453
1454/*
1455 * TX descriptor initialization
1456 */
Ivo van Doorn93331452010-08-23 19:53:39 +02001457static void rt73usb_write_tx_desc(struct queue_entry *entry,
Ivo van Doorn906c1102008-08-04 16:38:24 +02001458 struct txentry_desc *txdesc)
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001459{
Ivo van Doorn93331452010-08-23 19:53:39 +02001460 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1461 __le32 *txd = (__le32 *) entry->skb->data;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001462 u32 word;
1463
1464 /*
1465 * Start writing the descriptor words.
1466 */
Gertjan van Wingerdee01f1ec2010-05-11 23:51:39 +02001467 rt2x00_desc_read(txd, 0, &word);
1468 rt2x00_set_field32(&word, TXD_W0_BURST,
1469 test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1470 rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1471 rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1472 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1473 rt2x00_set_field32(&word, TXD_W0_ACK,
1474 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1475 rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1476 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1477 rt2x00_set_field32(&word, TXD_W0_OFDM,
1478 (txdesc->rate_mode == RATE_MODE_OFDM));
1479 rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1480 rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1481 test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
1482 rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,
1483 test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags));
1484 rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
1485 test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
1486 rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
1487 rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length);
1488 rt2x00_set_field32(&word, TXD_W0_BURST2,
1489 test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1490 rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);
1491 rt2x00_desc_write(txd, 0, word);
1492
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001493 rt2x00_desc_read(txd, 1, &word);
Helmut Schaa2b23cda2010-11-04 20:38:15 +01001494 rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, entry->queue->qid);
1495 rt2x00_set_field32(&word, TXD_W1_AIFSN, entry->queue->aifs);
1496 rt2x00_set_field32(&word, TXD_W1_CWMIN, entry->queue->cw_min);
1497 rt2x00_set_field32(&word, TXD_W1_CWMAX, entry->queue->cw_max);
Ivo van Doorn906c1102008-08-04 16:38:24 +02001498 rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
Ivo van Doorn5adf6d62008-07-20 18:03:38 +02001499 rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE,
1500 test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001501 rt2x00_desc_write(txd, 1, word);
1502
1503 rt2x00_desc_read(txd, 2, &word);
Ivo van Doorn181d6902008-02-05 16:42:23 -05001504 rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1505 rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1506 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1507 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001508 rt2x00_desc_write(txd, 2, word);
1509
Ivo van Doorn906c1102008-08-04 16:38:24 +02001510 if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
Ivo van Doorn1ce9cda2008-12-02 18:19:48 +01001511 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1512 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
Ivo van Doorn906c1102008-08-04 16:38:24 +02001513 }
1514
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001515 rt2x00_desc_read(txd, 5, &word);
1516 rt2x00_set_field32(&word, TXD_W5_TX_POWER,
Ivo van Doorn93331452010-08-23 19:53:39 +02001517 TXPOWER_TO_DEV(entry->queue->rt2x00dev->tx_power));
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001518 rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
1519 rt2x00_desc_write(txd, 5, word);
1520
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +02001521 /*
1522 * Register descriptor details in skb frame descriptor.
1523 */
Gertjan van Wingerde0b8004a2010-06-03 10:51:45 +02001524 skbdesc->flags |= SKBDESC_DESC_IN_SKB;
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +02001525 skbdesc->desc = txd;
1526 skbdesc->desc_len = TXD_DESC_SIZE;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001527}
1528
Ivo van Doornbd88a782008-07-09 15:12:44 +02001529/*
1530 * TX data initialization
1531 */
Gertjan van Wingerdef224f4e2010-05-08 23:40:25 +02001532static void rt73usb_write_beacon(struct queue_entry *entry,
1533 struct txentry_desc *txdesc)
Ivo van Doornbd88a782008-07-09 15:12:44 +02001534{
1535 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
Ivo van Doornbd88a782008-07-09 15:12:44 +02001536 unsigned int beacon_base;
Wolfgang Kufner739fd942010-12-13 12:39:12 +01001537 unsigned int padding_len;
Ivo van Doornbd88a782008-07-09 15:12:44 +02001538 u32 reg;
1539
1540 /*
Ivo van Doornbd88a782008-07-09 15:12:44 +02001541 * Disable beaconing while we are reloading the beacon data,
1542 * otherwise we might be sending out invalid data.
1543 */
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001544 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
Ivo van Doornbd88a782008-07-09 15:12:44 +02001545 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001546 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
Ivo van Doornbd88a782008-07-09 15:12:44 +02001547
1548 /*
Gertjan van Wingerde0b8004a2010-06-03 10:51:45 +02001549 * Add space for the descriptor in front of the skb.
1550 */
1551 skb_push(entry->skb, TXD_DESC_SIZE);
1552 memset(entry->skb->data, 0, TXD_DESC_SIZE);
1553
1554 /*
Gertjan van Wingerde5c3b6852010-06-03 10:51:41 +02001555 * Write the TX descriptor for the beacon.
1556 */
Ivo van Doorn93331452010-08-23 19:53:39 +02001557 rt73usb_write_tx_desc(entry, txdesc);
Gertjan van Wingerde5c3b6852010-06-03 10:51:41 +02001558
1559 /*
1560 * Dump beacon to userspace through debugfs.
1561 */
1562 rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
1563
1564 /*
Wolfgang Kufner739fd942010-12-13 12:39:12 +01001565 * Write entire beacon with descriptor and padding to register.
Ivo van Doornbd88a782008-07-09 15:12:44 +02001566 */
Wolfgang Kufner739fd942010-12-13 12:39:12 +01001567 padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
1568 skb_pad(entry->skb, padding_len);
Ivo van Doornbd88a782008-07-09 15:12:44 +02001569 beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
Wolfgang Kufner739fd942010-12-13 12:39:12 +01001570 rt2x00usb_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
1571 entry->skb->len + padding_len);
Ivo van Doornbd88a782008-07-09 15:12:44 +02001572
1573 /*
Gertjan van Wingerded61cb262010-05-08 23:40:24 +02001574 * Enable beaconing again.
1575 *
1576 * For Wi-Fi faily generated beacons between participating stations.
1577 * Set TBTT phase adaptive adjustment step to 8us (default 16us)
1578 */
1579 rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1580
Gertjan van Wingerded61cb262010-05-08 23:40:24 +02001581 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1582 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1583
1584 /*
Ivo van Doornbd88a782008-07-09 15:12:44 +02001585 * Clean up the beacon skb.
1586 */
1587 dev_kfree_skb(entry->skb);
1588 entry->skb = NULL;
1589}
1590
Helmut Schaa69cf36a2011-01-30 13:16:03 +01001591static void rt73usb_clear_beacon(struct queue_entry *entry)
1592{
1593 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1594 unsigned int beacon_base;
1595 u32 reg;
1596
1597 /*
1598 * Disable beaconing while we are reloading the beacon data,
1599 * otherwise we might be sending out invalid data.
1600 */
1601 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1602 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1603 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1604
1605 /*
1606 * Clear beacon.
1607 */
1608 beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
1609 rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
1610
1611 /*
1612 * Enable beaconing again.
1613 */
1614 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1615 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1616}
1617
Ivo van Doornf1ca2162008-11-13 23:07:33 +01001618static int rt73usb_get_tx_data_len(struct queue_entry *entry)
Ivo van Doorndd9fa2d2007-10-06 14:15:46 +02001619{
1620 int length;
1621
1622 /*
1623 * The length _must_ be a multiple of 4,
1624 * but it must _not_ be a multiple of the USB packet size.
1625 */
Ivo van Doornf1ca2162008-11-13 23:07:33 +01001626 length = roundup(entry->skb->len, 4);
1627 length += (4 * !(length % entry->queue->usb_maxpacket));
Ivo van Doorndd9fa2d2007-10-06 14:15:46 +02001628
1629 return length;
1630}
1631
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001632/*
1633 * RX control handlers
1634 */
1635static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
1636{
Ivo van Doornba2ab472008-08-06 16:22:17 +02001637 u8 offset = rt2x00dev->lna_gain;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001638 u8 lna;
1639
1640 lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
1641 switch (lna) {
1642 case 3:
Ivo van Doornba2ab472008-08-06 16:22:17 +02001643 offset += 90;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001644 break;
1645 case 2:
Ivo van Doornba2ab472008-08-06 16:22:17 +02001646 offset += 74;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001647 break;
1648 case 1:
Ivo van Doornba2ab472008-08-06 16:22:17 +02001649 offset += 64;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001650 break;
1651 default:
1652 return 0;
1653 }
1654
Ivo van Doorne5ef5ba2010-08-06 20:49:27 +02001655 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001656 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
1657 if (lna == 3 || lna == 2)
1658 offset += 10;
1659 } else {
1660 if (lna == 3)
1661 offset += 6;
1662 else if (lna == 2)
1663 offset += 8;
1664 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001665 }
1666
1667 return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
1668}
1669
Ivo van Doorn181d6902008-02-05 16:42:23 -05001670static void rt73usb_fill_rxdone(struct queue_entry *entry,
John Daiker55887512008-10-17 12:16:17 -07001671 struct rxdone_entry_desc *rxdesc)
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001672{
Ivo van Doorn906c1102008-08-04 16:38:24 +02001673 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
Ivo van Doorn181d6902008-02-05 16:42:23 -05001674 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
Ivo van Doorn4bd7c452008-01-24 00:48:03 -08001675 __le32 *rxd = (__le32 *)entry->skb->data;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001676 u32 word0;
1677 u32 word1;
1678
Ivo van Doornf855c102008-03-09 22:38:18 +01001679 /*
Gertjan van Wingerdea26cbc62008-06-06 22:54:28 +02001680 * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1681 * frame data in rt2x00usb.
Ivo van Doornf855c102008-03-09 22:38:18 +01001682 */
Gertjan van Wingerdea26cbc62008-06-06 22:54:28 +02001683 memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
Ivo van Doorn70a96102008-05-10 13:43:38 +02001684 rxd = (__le32 *)skbdesc->desc;
Ivo van Doornf855c102008-03-09 22:38:18 +01001685
1686 /*
Ivo van Doorn70a96102008-05-10 13:43:38 +02001687 * It is now safe to read the descriptor on all architectures.
Ivo van Doornf855c102008-03-09 22:38:18 +01001688 */
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001689 rt2x00_desc_read(rxd, 0, &word0);
1690 rt2x00_desc_read(rxd, 1, &word1);
1691
Johannes Berg4150c572007-09-17 01:29:23 -04001692 if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
Ivo van Doorn181d6902008-02-05 16:42:23 -05001693 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001694
Gertjan van Wingerde78b8f3b2010-05-08 23:40:20 +02001695 rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG);
1696 rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR);
Ivo van Doorn906c1102008-08-04 16:38:24 +02001697
1698 if (rxdesc->cipher != CIPHER_NONE) {
Ivo van Doorn1ce9cda2008-12-02 18:19:48 +01001699 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1700 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
Ivo van Doorn74415ed2008-12-02 22:50:33 +01001701 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1702
Ivo van Doorn906c1102008-08-04 16:38:24 +02001703 _rt2x00_desc_read(rxd, 4, &rxdesc->icv);
Ivo van Doorn74415ed2008-12-02 22:50:33 +01001704 rxdesc->dev_flags |= RXDONE_CRYPTO_ICV;
Ivo van Doorn906c1102008-08-04 16:38:24 +02001705
1706 /*
1707 * Hardware has stripped IV/EIV data from 802.11 frame during
Daniel Mack3ad2f3f2010-02-03 08:01:28 +08001708 * decryption. It has provided the data separately but rt2x00lib
Ivo van Doorn906c1102008-08-04 16:38:24 +02001709 * should decide if it should be reinserted.
1710 */
1711 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
1712
1713 /*
1714 * FIXME: Legacy driver indicates that the frame does
1715 * contain the Michael Mic. Unfortunately, in rt2x00
1716 * the MIC seems to be missing completely...
1717 */
1718 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
1719
1720 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1721 rxdesc->flags |= RX_FLAG_DECRYPTED;
1722 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1723 rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1724 }
1725
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001726 /*
1727 * Obtain the status about this packet.
Ivo van Doorn89993892008-03-09 22:49:04 +01001728 * When frame was received with an OFDM bitrate,
1729 * the signal is the PLCP value. If it was received with
1730 * a CCK bitrate the signal is the rate in 100kbit/s.
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001731 */
Ivo van Doorn89993892008-03-09 22:49:04 +01001732 rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
Ivo van Doorn906c1102008-08-04 16:38:24 +02001733 rxdesc->rssi = rt73usb_agc_to_rssi(rt2x00dev, word1);
Ivo van Doorn181d6902008-02-05 16:42:23 -05001734 rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
Ivo van Doorn19d30e02008-03-15 21:38:07 +01001735
Ivo van Doorn19d30e02008-03-15 21:38:07 +01001736 if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1737 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
Ivo van Doorn6c6aa3c2008-08-29 21:07:16 +02001738 else
1739 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
Ivo van Doorn19d30e02008-03-15 21:38:07 +01001740 if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1741 rxdesc->dev_flags |= RXDONE_MY_BSS;
Ivo van Doorn181d6902008-02-05 16:42:23 -05001742
1743 /*
Ivo van Doorn70a96102008-05-10 13:43:38 +02001744 * Set skb pointers, and update frame information.
Mattias Nissler2ae23852008-03-09 22:41:22 +01001745 */
Ivo van Doorn70a96102008-05-10 13:43:38 +02001746 skb_pull(entry->skb, entry->queue->desc_size);
Mattias Nissler2ae23852008-03-09 22:41:22 +01001747 skb_trim(entry->skb, rxdesc->size);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001748}
1749
1750/*
1751 * Device probe functions.
1752 */
1753static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1754{
1755 u16 word;
1756 u8 *mac;
1757 s8 value;
1758
1759 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1760
1761 /*
1762 * Start validation of the data that has been read.
1763 */
1764 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1765 if (!is_valid_ether_addr(mac)) {
1766 random_ether_addr(mac);
Johannes Berge1749612008-10-27 15:59:26 -07001767 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001768 }
1769
1770 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1771 if (word == 0xffff) {
1772 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
Ivo van Doorn362f3b62007-10-13 16:26:18 +02001773 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1774 ANTENNA_B);
1775 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1776 ANTENNA_B);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001777 rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
1778 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1779 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1780 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5226);
1781 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1782 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1783 }
1784
1785 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1786 if (word == 0xffff) {
1787 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA, 0);
1788 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1789 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1790 }
1791
1792 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word);
1793 if (word == 0xffff) {
1794 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_G, 0);
1795 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_A, 0);
1796 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_ACT, 0);
1797 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_0, 0);
1798 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_1, 0);
1799 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_2, 0);
1800 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_3, 0);
1801 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_4, 0);
1802 rt2x00_set_field16(&word, EEPROM_LED_LED_MODE,
1803 LED_MODE_DEFAULT);
1804 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word);
1805 EEPROM(rt2x00dev, "Led: 0x%04x\n", word);
1806 }
1807
1808 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1809 if (word == 0xffff) {
1810 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1811 rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0);
1812 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1813 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1814 }
1815
1816 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word);
1817 if (word == 0xffff) {
1818 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1819 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1820 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1821 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1822 } else {
1823 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1);
1824 if (value < -10 || value > 10)
1825 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1826 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2);
1827 if (value < -10 || value > 10)
1828 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1829 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1830 }
1831
1832 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word);
1833 if (word == 0xffff) {
1834 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1835 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1836 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
Ivo van Doorn417f4122008-02-10 22:50:58 +01001837 EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001838 } else {
1839 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
1840 if (value < -10 || value > 10)
1841 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1842 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2);
1843 if (value < -10 || value > 10)
1844 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1845 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1846 }
1847
1848 return 0;
1849}
1850
1851static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1852{
1853 u32 reg;
1854 u16 value;
1855 u16 eeprom;
1856
1857 /*
1858 * Read EEPROM word for configuration.
1859 */
1860 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1861
1862 /*
1863 * Identify RF chipset.
1864 */
1865 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01001866 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
Gertjan van Wingerde49e721e2010-02-13 20:55:49 +01001867 rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
1868 value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001869
Gertjan van Wingerde49e721e2010-02-13 20:55:49 +01001870 if (!rt2x00_rt(rt2x00dev, RT2573) || (rt2x00_rev(rt2x00dev) == 0)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001871 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1872 return -ENODEV;
1873 }
1874
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01001875 if (!rt2x00_rf(rt2x00dev, RF5226) &&
1876 !rt2x00_rf(rt2x00dev, RF2528) &&
1877 !rt2x00_rf(rt2x00dev, RF5225) &&
1878 !rt2x00_rf(rt2x00dev, RF2527)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001879 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1880 return -ENODEV;
1881 }
1882
1883 /*
1884 * Identify default antenna configuration.
1885 */
Ivo van Doornaddc81bd2007-10-13 16:26:23 +02001886 rt2x00dev->default_ant.tx =
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001887 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
Ivo van Doornaddc81bd2007-10-13 16:26:23 +02001888 rt2x00dev->default_ant.rx =
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001889 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1890
1891 /*
1892 * Read the Frame type.
1893 */
1894 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE))
1895 __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
1896
1897 /*
Ivo van Doorn7396faf2008-12-20 10:55:57 +01001898 * Detect if this device has an hardware controlled radio.
1899 */
Ivo van Doorn7396faf2008-12-20 10:55:57 +01001900 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1901 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
Ivo van Doorn7396faf2008-12-20 10:55:57 +01001902
1903 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001904 * Read frequency offset.
1905 */
1906 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1907 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1908
1909 /*
1910 * Read external LNA informations.
1911 */
1912 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1913
1914 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA)) {
1915 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
1916 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
1917 }
1918
1919 /*
1920 * Store led settings, for correct led behaviour.
1921 */
Ivo van Doorn771fd562008-09-08 19:07:15 +02001922#ifdef CONFIG_RT2X00_LIB_LEDS
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001923 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
1924
Ivo van Doorn475433b2008-06-03 20:30:01 +02001925 rt73usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1926 rt73usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
1927 if (value == LED_MODE_SIGNAL_STRENGTH)
1928 rt73usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1929 LED_TYPE_QUALITY);
Ivo van Doorna9450b72008-02-03 15:53:40 +01001930
1931 rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value);
1932 rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001933 rt2x00_get_field16(eeprom,
1934 EEPROM_LED_POLARITY_GPIO_0));
Ivo van Doorna9450b72008-02-03 15:53:40 +01001935 rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001936 rt2x00_get_field16(eeprom,
1937 EEPROM_LED_POLARITY_GPIO_1));
Ivo van Doorna9450b72008-02-03 15:53:40 +01001938 rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001939 rt2x00_get_field16(eeprom,
1940 EEPROM_LED_POLARITY_GPIO_2));
Ivo van Doorna9450b72008-02-03 15:53:40 +01001941 rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001942 rt2x00_get_field16(eeprom,
1943 EEPROM_LED_POLARITY_GPIO_3));
Ivo van Doorna9450b72008-02-03 15:53:40 +01001944 rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001945 rt2x00_get_field16(eeprom,
1946 EEPROM_LED_POLARITY_GPIO_4));
Ivo van Doorna9450b72008-02-03 15:53:40 +01001947 rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001948 rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
Ivo van Doorna9450b72008-02-03 15:53:40 +01001949 rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001950 rt2x00_get_field16(eeprom,
1951 EEPROM_LED_POLARITY_RDY_G));
Ivo van Doorna9450b72008-02-03 15:53:40 +01001952 rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001953 rt2x00_get_field16(eeprom,
1954 EEPROM_LED_POLARITY_RDY_A));
Ivo van Doorn771fd562008-09-08 19:07:15 +02001955#endif /* CONFIG_RT2X00_LIB_LEDS */
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001956
1957 return 0;
1958}
1959
1960/*
1961 * RF value list for RF2528
1962 * Supports: 2.4 GHz
1963 */
1964static const struct rf_channel rf_vals_bg_2528[] = {
1965 { 1, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1966 { 2, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1967 { 3, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1968 { 4, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1969 { 5, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1970 { 6, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1971 { 7, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1972 { 8, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1973 { 9, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1974 { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1975 { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1976 { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1977 { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1978 { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1979};
1980
1981/*
1982 * RF value list for RF5226
1983 * Supports: 2.4 GHz & 5.2 GHz
1984 */
1985static const struct rf_channel rf_vals_5226[] = {
1986 { 1, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1987 { 2, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1988 { 3, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1989 { 4, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1990 { 5, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1991 { 6, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1992 { 7, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1993 { 8, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1994 { 9, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1995 { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1996 { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1997 { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1998 { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1999 { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
2000
2001 /* 802.11 UNI / HyperLan 2 */
2002 { 36, 0x00002c0c, 0x0000099a, 0x00098255, 0x000fea23 },
2003 { 40, 0x00002c0c, 0x000009a2, 0x00098255, 0x000fea03 },
2004 { 44, 0x00002c0c, 0x000009a6, 0x00098255, 0x000fea0b },
2005 { 48, 0x00002c0c, 0x000009aa, 0x00098255, 0x000fea13 },
2006 { 52, 0x00002c0c, 0x000009ae, 0x00098255, 0x000fea1b },
2007 { 56, 0x00002c0c, 0x000009b2, 0x00098255, 0x000fea23 },
2008 { 60, 0x00002c0c, 0x000009ba, 0x00098255, 0x000fea03 },
2009 { 64, 0x00002c0c, 0x000009be, 0x00098255, 0x000fea0b },
2010
2011 /* 802.11 HyperLan 2 */
2012 { 100, 0x00002c0c, 0x00000a2a, 0x000b8255, 0x000fea03 },
2013 { 104, 0x00002c0c, 0x00000a2e, 0x000b8255, 0x000fea0b },
2014 { 108, 0x00002c0c, 0x00000a32, 0x000b8255, 0x000fea13 },
2015 { 112, 0x00002c0c, 0x00000a36, 0x000b8255, 0x000fea1b },
2016 { 116, 0x00002c0c, 0x00000a3a, 0x000b8255, 0x000fea23 },
2017 { 120, 0x00002c0c, 0x00000a82, 0x000b8255, 0x000fea03 },
2018 { 124, 0x00002c0c, 0x00000a86, 0x000b8255, 0x000fea0b },
2019 { 128, 0x00002c0c, 0x00000a8a, 0x000b8255, 0x000fea13 },
2020 { 132, 0x00002c0c, 0x00000a8e, 0x000b8255, 0x000fea1b },
2021 { 136, 0x00002c0c, 0x00000a92, 0x000b8255, 0x000fea23 },
2022
2023 /* 802.11 UNII */
2024 { 140, 0x00002c0c, 0x00000a9a, 0x000b8255, 0x000fea03 },
2025 { 149, 0x00002c0c, 0x00000aa2, 0x000b8255, 0x000fea1f },
2026 { 153, 0x00002c0c, 0x00000aa6, 0x000b8255, 0x000fea27 },
2027 { 157, 0x00002c0c, 0x00000aae, 0x000b8255, 0x000fea07 },
2028 { 161, 0x00002c0c, 0x00000ab2, 0x000b8255, 0x000fea0f },
2029 { 165, 0x00002c0c, 0x00000ab6, 0x000b8255, 0x000fea17 },
2030
2031 /* MMAC(Japan)J52 ch 34,38,42,46 */
2032 { 34, 0x00002c0c, 0x0008099a, 0x000da255, 0x000d3a0b },
2033 { 38, 0x00002c0c, 0x0008099e, 0x000da255, 0x000d3a13 },
2034 { 42, 0x00002c0c, 0x000809a2, 0x000da255, 0x000d3a1b },
2035 { 46, 0x00002c0c, 0x000809a6, 0x000da255, 0x000d3a23 },
2036};
2037
2038/*
2039 * RF value list for RF5225 & RF2527
2040 * Supports: 2.4 GHz & 5.2 GHz
2041 */
2042static const struct rf_channel rf_vals_5225_2527[] = {
2043 { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
2044 { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
2045 { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
2046 { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
2047 { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
2048 { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
2049 { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
2050 { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
2051 { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
2052 { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
2053 { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
2054 { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
2055 { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
2056 { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
2057
2058 /* 802.11 UNI / HyperLan 2 */
2059 { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 },
2060 { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 },
2061 { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b },
2062 { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 },
2063 { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b },
2064 { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 },
2065 { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 },
2066 { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b },
2067
2068 /* 802.11 HyperLan 2 */
2069 { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 },
2070 { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b },
2071 { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 },
2072 { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b },
2073 { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 },
2074 { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 },
2075 { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b },
2076 { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 },
2077 { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b },
2078 { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 },
2079
2080 /* 802.11 UNII */
2081 { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 },
2082 { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f },
2083 { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 },
2084 { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 },
2085 { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f },
2086 { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 },
2087
2088 /* MMAC(Japan)J52 ch 34,38,42,46 */
2089 { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b },
2090 { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 },
2091 { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b },
2092 { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 },
2093};
2094
2095
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02002096static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002097{
2098 struct hw_mode_spec *spec = &rt2x00dev->spec;
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02002099 struct channel_info *info;
2100 char *tx_power;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002101 unsigned int i;
2102
2103 /*
2104 * Initialize all hw fields.
Helmut Schaa5a5b6ed2010-10-02 11:31:33 +02002105 *
2106 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING unless we are
2107 * capable of sending the buffered frames out after the DTIM
2108 * transmission using rt2x00lib_beacondone. This will send out
2109 * multicast and broadcast traffic immediately instead of buffering it
2110 * infinitly and thus dropping it after some time.
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002111 */
2112 rt2x00dev->hw->flags =
Johannes Berg4be8c382009-01-07 18:28:20 +01002113 IEEE80211_HW_SIGNAL_DBM |
2114 IEEE80211_HW_SUPPORTS_PS |
2115 IEEE80211_HW_PS_NULLFUNC_STACK;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002116
Gertjan van Wingerde14a3bf82008-06-16 19:55:43 +02002117 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002118 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2119 rt2x00_eeprom_addr(rt2x00dev,
2120 EEPROM_MAC_ADDR_0));
2121
2122 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002123 * Initialize hw_mode information.
2124 */
Ivo van Doorn31562e82008-02-17 17:35:05 +01002125 spec->supported_bands = SUPPORT_BAND_2GHZ;
2126 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002127
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01002128 if (rt2x00_rf(rt2x00dev, RF2528)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002129 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528);
2130 spec->channels = rf_vals_bg_2528;
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01002131 } else if (rt2x00_rf(rt2x00dev, RF5226)) {
Ivo van Doorn31562e82008-02-17 17:35:05 +01002132 spec->supported_bands |= SUPPORT_BAND_5GHZ;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002133 spec->num_channels = ARRAY_SIZE(rf_vals_5226);
2134 spec->channels = rf_vals_5226;
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01002135 } else if (rt2x00_rf(rt2x00dev, RF2527)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002136 spec->num_channels = 14;
2137 spec->channels = rf_vals_5225_2527;
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01002138 } else if (rt2x00_rf(rt2x00dev, RF5225)) {
Ivo van Doorn31562e82008-02-17 17:35:05 +01002139 spec->supported_bands |= SUPPORT_BAND_5GHZ;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002140 spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527);
2141 spec->channels = rf_vals_5225_2527;
2142 }
2143
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02002144 /*
2145 * Create channel information array
2146 */
Joe Perchesbaeb2ff2010-08-11 07:02:48 +00002147 info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02002148 if (!info)
2149 return -ENOMEM;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002150
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02002151 spec->channels_info = info;
2152
2153 tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
Ivo van Doorn8d1331b2010-08-23 19:56:07 +02002154 for (i = 0; i < 14; i++) {
2155 info[i].max_power = MAX_TXPOWER;
2156 info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2157 }
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02002158
2159 if (spec->num_channels > 14) {
2160 tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
Ivo van Doorn8d1331b2010-08-23 19:56:07 +02002161 for (i = 14; i < spec->num_channels; i++) {
2162 info[i].max_power = MAX_TXPOWER;
2163 info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2164 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002165 }
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02002166
2167 return 0;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002168}
2169
2170static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
2171{
2172 int retval;
2173
2174 /*
2175 * Allocate eeprom data.
2176 */
2177 retval = rt73usb_validate_eeprom(rt2x00dev);
2178 if (retval)
2179 return retval;
2180
2181 retval = rt73usb_init_eeprom(rt2x00dev);
2182 if (retval)
2183 return retval;
2184
2185 /*
2186 * Initialize hw specifications.
2187 */
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02002188 retval = rt73usb_probe_hw_mode(rt2x00dev);
2189 if (retval)
2190 return retval;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002191
2192 /*
Igor Perminov1afcfd542009-08-08 23:55:55 +02002193 * This device has multiple filters for control frames,
2194 * but has no a separate filter for PS Poll frames.
2195 */
2196 __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
2197
2198 /*
Ivo van Doorn9404ef32008-02-03 15:48:38 +01002199 * This device requires firmware.
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002200 */
Ivo van Doorn066cb632007-09-25 20:55:39 +02002201 __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
Ivo van Doorn008c4482008-08-06 17:27:31 +02002202 if (!modparam_nohwcrypt)
2203 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
Ivo van Doorn27df2a92010-07-11 12:24:22 +02002204 __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags);
Ivo van Doornc965c742010-07-11 12:25:46 +02002205 __set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002206
2207 /*
2208 * Set the rssi offset.
2209 */
2210 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
2211
2212 return 0;
2213}
2214
2215/*
2216 * IEEE80211 stack callback functions.
2217 */
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002218static int rt73usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
2219 const struct ieee80211_tx_queue_params *params)
2220{
2221 struct rt2x00_dev *rt2x00dev = hw->priv;
2222 struct data_queue *queue;
2223 struct rt2x00_field32 field;
2224 int retval;
2225 u32 reg;
Ivo van Doorn5e790022009-01-17 20:42:58 +01002226 u32 offset;
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002227
2228 /*
2229 * First pass the configuration through rt2x00lib, that will
2230 * update the queue settings and validate the input. After that
2231 * we are free to update the registers based on the value
2232 * in the queue parameter.
2233 */
2234 retval = rt2x00mac_conf_tx(hw, queue_idx, params);
2235 if (retval)
2236 return retval;
2237
Ivo van Doorn5e790022009-01-17 20:42:58 +01002238 /*
2239 * We only need to perform additional register initialization
2240 * for WMM queues/
2241 */
2242 if (queue_idx >= 4)
2243 return 0;
2244
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002245 queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
2246
2247 /* Update WMM TXOP register */
Ivo van Doorn5e790022009-01-17 20:42:58 +01002248 offset = AC_TXOP_CSR0 + (sizeof(u32) * (!!(queue_idx & 2)));
2249 field.bit_offset = (queue_idx & 1) * 16;
2250 field.bit_mask = 0xffff << field.bit_offset;
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002251
Ivo van Doorn5e790022009-01-17 20:42:58 +01002252 rt2x00usb_register_read(rt2x00dev, offset, &reg);
2253 rt2x00_set_field32(&reg, field, queue->txop);
2254 rt2x00usb_register_write(rt2x00dev, offset, reg);
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002255
2256 /* Update WMM registers */
2257 field.bit_offset = queue_idx * 4;
2258 field.bit_mask = 0xf << field.bit_offset;
2259
Ivo van Doorn0f829b12008-11-10 19:42:18 +01002260 rt2x00usb_register_read(rt2x00dev, AIFSN_CSR, &reg);
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002261 rt2x00_set_field32(&reg, field, queue->aifs);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01002262 rt2x00usb_register_write(rt2x00dev, AIFSN_CSR, reg);
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002263
Ivo van Doorn0f829b12008-11-10 19:42:18 +01002264 rt2x00usb_register_read(rt2x00dev, CWMIN_CSR, &reg);
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002265 rt2x00_set_field32(&reg, field, queue->cw_min);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01002266 rt2x00usb_register_write(rt2x00dev, CWMIN_CSR, reg);
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002267
Ivo van Doorn0f829b12008-11-10 19:42:18 +01002268 rt2x00usb_register_read(rt2x00dev, CWMAX_CSR, &reg);
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002269 rt2x00_set_field32(&reg, field, queue->cw_max);
Ivo van Doorn0f829b12008-11-10 19:42:18 +01002270 rt2x00usb_register_write(rt2x00dev, CWMAX_CSR, reg);
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002271
2272 return 0;
2273}
2274
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002275static u64 rt73usb_get_tsf(struct ieee80211_hw *hw)
2276{
2277 struct rt2x00_dev *rt2x00dev = hw->priv;
2278 u64 tsf;
2279 u32 reg;
2280
Ivo van Doorn0f829b12008-11-10 19:42:18 +01002281 rt2x00usb_register_read(rt2x00dev, TXRX_CSR13, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002282 tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
Ivo van Doorn0f829b12008-11-10 19:42:18 +01002283 rt2x00usb_register_read(rt2x00dev, TXRX_CSR12, &reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002284 tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER);
2285
2286 return tsf;
2287}
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002288
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002289static const struct ieee80211_ops rt73usb_mac80211_ops = {
2290 .tx = rt2x00mac_tx,
Johannes Berg4150c572007-09-17 01:29:23 -04002291 .start = rt2x00mac_start,
2292 .stop = rt2x00mac_stop,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002293 .add_interface = rt2x00mac_add_interface,
2294 .remove_interface = rt2x00mac_remove_interface,
2295 .config = rt2x00mac_config,
Ivo van Doorn3a643d22008-03-25 14:13:18 +01002296 .configure_filter = rt2x00mac_configure_filter,
Stefan Steuerwald930c06f2009-07-10 20:42:55 +02002297 .set_tim = rt2x00mac_set_tim,
Ivo van Doorn906c1102008-08-04 16:38:24 +02002298 .set_key = rt2x00mac_set_key,
Ivo van Doornd8147f92010-07-11 12:24:47 +02002299 .sw_scan_start = rt2x00mac_sw_scan_start,
2300 .sw_scan_complete = rt2x00mac_sw_scan_complete,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002301 .get_stats = rt2x00mac_get_stats,
Johannes Berg471b3ef2007-12-28 14:32:58 +01002302 .bss_info_changed = rt2x00mac_bss_info_changed,
Ivo van Doorn2af0a572008-08-29 21:05:45 +02002303 .conf_tx = rt73usb_conf_tx,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002304 .get_tsf = rt73usb_get_tsf,
Ivo van Doorne47a5cd2009-07-01 15:17:35 +02002305 .rfkill_poll = rt2x00mac_rfkill_poll,
Ivo van Doornf44df182010-11-04 20:40:11 +01002306 .flush = rt2x00mac_flush,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002307};
2308
2309static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
2310 .probe_hw = rt73usb_probe_hw,
2311 .get_firmware_name = rt73usb_get_firmware_name,
Ivo van Doorn0cbe0062009-01-28 00:33:47 +01002312 .check_firmware = rt73usb_check_firmware,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002313 .load_firmware = rt73usb_load_firmware,
2314 .initialize = rt2x00usb_initialize,
2315 .uninitialize = rt2x00usb_uninitialize,
Ivo van Doorn798b7ad2008-11-08 15:25:33 +01002316 .clear_entry = rt2x00usb_clear_entry,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002317 .set_device_state = rt73usb_set_device_state,
Ivo van Doorn7396faf2008-12-20 10:55:57 +01002318 .rfkill_poll = rt73usb_rfkill_poll,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002319 .link_stats = rt73usb_link_stats,
2320 .reset_tuner = rt73usb_reset_tuner,
2321 .link_tuner = rt73usb_link_tuner,
Ivo van Doornc965c742010-07-11 12:25:46 +02002322 .watchdog = rt2x00usb_watchdog,
Ivo van Doorndbba3062010-12-13 12:34:54 +01002323 .start_queue = rt73usb_start_queue,
2324 .kick_queue = rt2x00usb_kick_queue,
2325 .stop_queue = rt73usb_stop_queue,
Ivo van Doorn5be65602010-12-13 12:35:40 +01002326 .flush_queue = rt2x00usb_flush_queue,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002327 .write_tx_desc = rt73usb_write_tx_desc,
Ivo van Doornbd88a782008-07-09 15:12:44 +02002328 .write_beacon = rt73usb_write_beacon,
Helmut Schaa69cf36a2011-01-30 13:16:03 +01002329 .clear_beacon = rt73usb_clear_beacon,
Ivo van Doorndd9fa2d2007-10-06 14:15:46 +02002330 .get_tx_data_len = rt73usb_get_tx_data_len,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002331 .fill_rxdone = rt73usb_fill_rxdone,
Ivo van Doorn906c1102008-08-04 16:38:24 +02002332 .config_shared_key = rt73usb_config_shared_key,
2333 .config_pairwise_key = rt73usb_config_pairwise_key,
Ivo van Doorn3a643d22008-03-25 14:13:18 +01002334 .config_filter = rt73usb_config_filter,
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +01002335 .config_intf = rt73usb_config_intf,
Ivo van Doorn72810372008-03-09 22:46:18 +01002336 .config_erp = rt73usb_config_erp,
Ivo van Doorne4ea1c42008-10-29 17:17:57 +01002337 .config_ant = rt73usb_config_ant,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002338 .config = rt73usb_config,
2339};
2340
Ivo van Doorn181d6902008-02-05 16:42:23 -05002341static const struct data_queue_desc rt73usb_queue_rx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01002342 .entry_num = 32,
Ivo van Doorn181d6902008-02-05 16:42:23 -05002343 .data_size = DATA_FRAME_SIZE,
2344 .desc_size = RXD_DESC_SIZE,
Ivo van Doornb8be63f2008-05-10 13:46:03 +02002345 .priv_size = sizeof(struct queue_entry_priv_usb),
Ivo van Doorn181d6902008-02-05 16:42:23 -05002346};
2347
2348static const struct data_queue_desc rt73usb_queue_tx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01002349 .entry_num = 32,
Ivo van Doorn181d6902008-02-05 16:42:23 -05002350 .data_size = DATA_FRAME_SIZE,
2351 .desc_size = TXD_DESC_SIZE,
Ivo van Doornb8be63f2008-05-10 13:46:03 +02002352 .priv_size = sizeof(struct queue_entry_priv_usb),
Ivo van Doorn181d6902008-02-05 16:42:23 -05002353};
2354
2355static const struct data_queue_desc rt73usb_queue_bcn = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01002356 .entry_num = 4,
Ivo van Doorn181d6902008-02-05 16:42:23 -05002357 .data_size = MGMT_FRAME_SIZE,
2358 .desc_size = TXINFO_SIZE,
Ivo van Doornb8be63f2008-05-10 13:46:03 +02002359 .priv_size = sizeof(struct queue_entry_priv_usb),
Ivo van Doorn181d6902008-02-05 16:42:23 -05002360};
2361
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002362static const struct rt2x00_ops rt73usb_ops = {
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01002363 .name = KBUILD_MODNAME,
2364 .max_sta_intf = 1,
2365 .max_ap_intf = 4,
2366 .eeprom_size = EEPROM_SIZE,
2367 .rf_size = RF_SIZE,
2368 .tx_queues = NUM_TX_QUEUES,
Gertjan van Wingerdee6218cc2009-11-23 22:44:52 +01002369 .extra_tx_headroom = TXD_DESC_SIZE,
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01002370 .rx = &rt73usb_queue_rx,
2371 .tx = &rt73usb_queue_tx,
2372 .bcn = &rt73usb_queue_bcn,
2373 .lib = &rt73usb_rt2x00_ops,
2374 .hw = &rt73usb_mac80211_ops,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002375#ifdef CONFIG_RT2X00_LIB_DEBUGFS
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01002376 .debugfs = &rt73usb_rt2x00debug,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002377#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2378};
2379
2380/*
2381 * rt73usb module information.
2382 */
2383static struct usb_device_id rt73usb_device_table[] = {
2384 /* AboCom */
Xose Vazquez Perezef4bb702009-02-28 00:34:23 +01002385 { USB_DEVICE(0x07b8, 0xb21b), USB_DEVICE_DATA(&rt73usb_ops) },
2386 { USB_DEVICE(0x07b8, 0xb21c), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002387 { USB_DEVICE(0x07b8, 0xb21d), USB_DEVICE_DATA(&rt73usb_ops) },
Xose Vazquez Perezef4bb702009-02-28 00:34:23 +01002388 { USB_DEVICE(0x07b8, 0xb21e), USB_DEVICE_DATA(&rt73usb_ops) },
2389 { USB_DEVICE(0x07b8, 0xb21f), USB_DEVICE_DATA(&rt73usb_ops) },
2390 /* AL */
2391 { USB_DEVICE(0x14b2, 0x3c10), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn144d9ad2009-02-15 17:43:05 +01002392 /* Amigo */
2393 { USB_DEVICE(0x148f, 0x9021), USB_DEVICE_DATA(&rt73usb_ops) },
2394 { USB_DEVICE(0x0eb0, 0x9021), USB_DEVICE_DATA(&rt73usb_ops) },
Xose Vazquez Perezef4bb702009-02-28 00:34:23 +01002395 /* AMIT */
2396 { USB_DEVICE(0x18c5, 0x0002), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002397 /* Askey */
2398 { USB_DEVICE(0x1690, 0x0722), USB_DEVICE_DATA(&rt73usb_ops) },
2399 /* ASUS */
2400 { USB_DEVICE(0x0b05, 0x1723), USB_DEVICE_DATA(&rt73usb_ops) },
2401 { USB_DEVICE(0x0b05, 0x1724), USB_DEVICE_DATA(&rt73usb_ops) },
2402 /* Belkin */
2403 { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt73usb_ops) },
2404 { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt73usb_ops) },
2405 { USB_DEVICE(0x050d, 0x905b), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn1f068622007-10-13 16:27:13 +02002406 { USB_DEVICE(0x050d, 0x905c), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002407 /* Billionton */
2408 { USB_DEVICE(0x1631, 0xc019), USB_DEVICE_DATA(&rt73usb_ops) },
Xose Vazquez Perezef4bb702009-02-28 00:34:23 +01002409 { USB_DEVICE(0x08dd, 0x0120), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002410 /* Buffalo */
Ivo van Doorn964d6ad2009-01-31 10:07:39 +01002411 { USB_DEVICE(0x0411, 0x00d8), USB_DEVICE_DATA(&rt73usb_ops) },
Kenichi HORIO050e8a42009-12-04 23:46:56 +01002412 { USB_DEVICE(0x0411, 0x00d9), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002413 { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn6aabd4c2009-03-28 20:52:14 +01002414 { USB_DEVICE(0x0411, 0x0116), USB_DEVICE_DATA(&rt73usb_ops) },
2415 { USB_DEVICE(0x0411, 0x0119), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doornb1ef7252010-10-02 11:30:19 +02002416 { USB_DEVICE(0x0411, 0x0137), USB_DEVICE_DATA(&rt73usb_ops) },
Bryan Polk51b28532010-03-01 12:23:28 -05002417 /* CEIVA */
2418 { USB_DEVICE(0x178d, 0x02be), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002419 /* CNet */
2420 { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) },
2421 { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) },
2422 /* Conceptronic */
2423 { USB_DEVICE(0x14b2, 0x3c22), USB_DEVICE_DATA(&rt73usb_ops) },
Masakazu Mokuno0a748922008-03-15 21:38:29 +01002424 /* Corega */
2425 { USB_DEVICE(0x07aa, 0x002e), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002426 /* D-Link */
2427 { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) },
2428 { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorncb62ecc2008-06-12 20:47:17 +02002429 { USB_DEVICE(0x07d1, 0x3c06), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn445815d2008-03-09 22:42:32 +01002430 { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) },
Xose Vazquez Perezef4bb702009-02-28 00:34:23 +01002431 /* Edimax */
2432 { USB_DEVICE(0x7392, 0x7318), USB_DEVICE_DATA(&rt73usb_ops) },
2433 { USB_DEVICE(0x7392, 0x7618), USB_DEVICE_DATA(&rt73usb_ops) },
2434 /* EnGenius */
2435 { USB_DEVICE(0x1740, 0x3701), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002436 /* Gemtek */
2437 { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) },
2438 /* Gigabyte */
2439 { USB_DEVICE(0x1044, 0x8008), USB_DEVICE_DATA(&rt73usb_ops) },
2440 { USB_DEVICE(0x1044, 0x800a), USB_DEVICE_DATA(&rt73usb_ops) },
2441 /* Huawei-3Com */
2442 { USB_DEVICE(0x1472, 0x0009), USB_DEVICE_DATA(&rt73usb_ops) },
2443 /* Hercules */
Michal Szalata78bd6bb2009-09-29 15:37:53 +02002444 { USB_DEVICE(0x06f8, 0xe002), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002445 { USB_DEVICE(0x06f8, 0xe010), USB_DEVICE_DATA(&rt73usb_ops) },
2446 { USB_DEVICE(0x06f8, 0xe020), USB_DEVICE_DATA(&rt73usb_ops) },
2447 /* Linksys */
2448 { USB_DEVICE(0x13b1, 0x0020), USB_DEVICE_DATA(&rt73usb_ops) },
2449 { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) },
Stefan Lippers-Hollmann3be36ae2009-01-04 01:10:49 +01002450 { USB_DEVICE(0x13b1, 0x0028), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002451 /* MSI */
Xose Vazquez Perez22720642009-10-19 11:51:11 +02002452 { USB_DEVICE(0x0db0, 0x4600), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002453 { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) },
2454 { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) },
2455 { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) },
2456 { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) },
Xose Vazquez Perez22720642009-10-19 11:51:11 +02002457 /* Ovislink */
2458 { USB_DEVICE(0x1b75, 0x7318), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002459 /* Ralink */
Ivo van Doorn144d9ad2009-02-15 17:43:05 +01002460 { USB_DEVICE(0x04bb, 0x093d), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002461 { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) },
2462 { USB_DEVICE(0x148f, 0x2671), USB_DEVICE_DATA(&rt73usb_ops) },
Greg Kroah-Hartman9c4cf6d2011-01-25 17:42:29 +08002463 { USB_DEVICE(0x0812, 0x3101), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002464 /* Qcom */
2465 { USB_DEVICE(0x18e8, 0x6196), USB_DEVICE_DATA(&rt73usb_ops) },
2466 { USB_DEVICE(0x18e8, 0x6229), USB_DEVICE_DATA(&rt73usb_ops) },
2467 { USB_DEVICE(0x18e8, 0x6238), USB_DEVICE_DATA(&rt73usb_ops) },
Xose Vazquez Perezef4bb702009-02-28 00:34:23 +01002468 /* Samsung */
2469 { USB_DEVICE(0x04e8, 0x4471), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002470 /* Senao */
2471 { USB_DEVICE(0x1740, 0x7100), USB_DEVICE_DATA(&rt73usb_ops) },
2472 /* Sitecom */
Xose Vazquez Perezef4bb702009-02-28 00:34:23 +01002473 { USB_DEVICE(0x0df6, 0x0024), USB_DEVICE_DATA(&rt73usb_ops) },
2474 { USB_DEVICE(0x0df6, 0x0027), USB_DEVICE_DATA(&rt73usb_ops) },
2475 { USB_DEVICE(0x0df6, 0x002f), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002476 { USB_DEVICE(0x0df6, 0x90ac), USB_DEVICE_DATA(&rt73usb_ops) },
Xose Vazquez Perezef4bb702009-02-28 00:34:23 +01002477 { USB_DEVICE(0x0df6, 0x9712), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002478 /* Surecom */
2479 { USB_DEVICE(0x0769, 0x31f3), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn14344b82009-03-21 00:00:57 +01002480 /* Tilgin */
2481 { USB_DEVICE(0x6933, 0x5001), USB_DEVICE_DATA(&rt73usb_ops) },
Xose Vazquez Perezef4bb702009-02-28 00:34:23 +01002482 /* Philips */
2483 { USB_DEVICE(0x0471, 0x200a), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002484 /* Planex */
2485 { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) },
2486 { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) },
Xose Vazquez Perez22720642009-10-19 11:51:11 +02002487 /* WideTell */
2488 { USB_DEVICE(0x7167, 0x3840), USB_DEVICE_DATA(&rt73usb_ops) },
Xose Vazquez Perezef4bb702009-02-28 00:34:23 +01002489 /* Zcom */
2490 { USB_DEVICE(0x0cde, 0x001c), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn144d9ad2009-02-15 17:43:05 +01002491 /* ZyXEL */
2492 { USB_DEVICE(0x0586, 0x3415), USB_DEVICE_DATA(&rt73usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002493 { 0, }
2494};
2495
2496MODULE_AUTHOR(DRV_PROJECT);
2497MODULE_VERSION(DRV_VERSION);
2498MODULE_DESCRIPTION("Ralink RT73 USB Wireless LAN driver.");
2499MODULE_SUPPORTED_DEVICE("Ralink RT2571W & RT2671 USB chipset based cards");
2500MODULE_DEVICE_TABLE(usb, rt73usb_device_table);
2501MODULE_FIRMWARE(FIRMWARE_RT2571);
2502MODULE_LICENSE("GPL");
2503
2504static struct usb_driver rt73usb_driver = {
Ivo van Doorn23601572007-11-27 21:47:34 +01002505 .name = KBUILD_MODNAME,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07002506 .id_table = rt73usb_device_table,
2507 .probe = rt2x00usb_probe,
2508 .disconnect = rt2x00usb_disconnect,
2509 .suspend = rt2x00usb_suspend,
2510 .resume = rt2x00usb_resume,
2511};
2512
2513static int __init rt73usb_init(void)
2514{
2515 return usb_register(&rt73usb_driver);
2516}
2517
2518static void __exit rt73usb_exit(void)
2519{
2520 usb_deregister(&rt73usb_driver);
2521}
2522
2523module_init(rt73usb_init);
2524module_exit(rt73usb_exit);