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Save sram context after changing MPU, DSP or core clocks
[linux-ginger.git] / drivers / net / wireless / rt2x00 / rt2800usb.c
bloba084077a1c6115942a27caa9c9cf8b261fbf4115
1 /*
2 Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
3 <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: rt2800usb
23 Abstract: rt2800usb device specific routines.
24 Supported chipsets: RT2800U.
25 */
26
27 #include <linux/crc-ccitt.h>
28 #include <linux/delay.h>
29 #include <linux/etherdevice.h>
30 #include <linux/init.h>
31 #include <linux/kernel.h>
32 #include <linux/module.h>
33 #include <linux/usb.h>
34
35 #include "rt2x00.h"
36 #include "rt2x00usb.h"
37 #include "rt2800usb.h"
38
39 /*
40 * Allow hardware encryption to be disabled.
41 */
42 static int modparam_nohwcrypt = 1;
43 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
44 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
45
46 /*
47 * Register access.
48 * All access to the CSR registers will go through the methods
49 * rt2x00usb_register_read and rt2x00usb_register_write.
50 * BBP and RF register require indirect register access,
51 * and use the CSR registers BBPCSR and RFCSR to achieve this.
52 * These indirect registers work with busy bits,
53 * and we will try maximal REGISTER_BUSY_COUNT times to access
54 * the register while taking a REGISTER_BUSY_DELAY us delay
55 * between each attampt. When the busy bit is still set at that time,
56 * the access attempt is considered to have failed,
57 * and we will print an error.
58 * The _lock versions must be used if you already hold the csr_mutex
59 */
60 #define WAIT_FOR_BBP(__dev, __reg) \
61 rt2x00usb_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
62 #define WAIT_FOR_RFCSR(__dev, __reg) \
63 rt2x00usb_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
64 #define WAIT_FOR_RF(__dev, __reg) \
65 rt2x00usb_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
66 #define WAIT_FOR_MCU(__dev, __reg) \
67 rt2x00usb_regbusy_read((__dev), H2M_MAILBOX_CSR, \
68 H2M_MAILBOX_CSR_OWNER, (__reg))
69
70 static void rt2800usb_bbp_write(struct rt2x00_dev *rt2x00dev,
71 const unsigned int word, const u8 value)
72 {
73 u32 reg;
74
75 mutex_lock(&rt2x00dev->csr_mutex);
76
77 /*
78 * Wait until the BBP becomes available, afterwards we
79 * can safely write the new data into the register.
80 */
81 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
82 reg = 0;
83 rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
84 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
85 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
86 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
87
88 rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
89 }
90
91 mutex_unlock(&rt2x00dev->csr_mutex);
92 }
93
94 static void rt2800usb_bbp_read(struct rt2x00_dev *rt2x00dev,
95 const unsigned int word, u8 *value)
96 {
97 u32 reg;
98
99 mutex_lock(&rt2x00dev->csr_mutex);
100
101 /*
102 * Wait until the BBP becomes available, afterwards we
103 * can safely write the read request into the register.
104 * After the data has been written, we wait until hardware
105 * returns the correct value, if at any time the register
106 * doesn't become available in time, reg will be 0xffffffff
107 * which means we return 0xff to the caller.
108 */
109 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
110 reg = 0;
111 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
112 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
113 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
114
115 rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
116
117 WAIT_FOR_BBP(rt2x00dev, &reg);
118 }
119
120 *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
121
122 mutex_unlock(&rt2x00dev->csr_mutex);
123 }
124
125 static void rt2800usb_rfcsr_write(struct rt2x00_dev *rt2x00dev,
126 const unsigned int word, const u8 value)
127 {
128 u32 reg;
129
130 mutex_lock(&rt2x00dev->csr_mutex);
131
132 /*
133 * Wait until the RFCSR becomes available, afterwards we
134 * can safely write the new data into the register.
135 */
136 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
137 reg = 0;
138 rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
139 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
140 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
141 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
142
143 rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
144 }
145
146 mutex_unlock(&rt2x00dev->csr_mutex);
147 }
148
149 static void rt2800usb_rfcsr_read(struct rt2x00_dev *rt2x00dev,
150 const unsigned int word, u8 *value)
151 {
152 u32 reg;
153
154 mutex_lock(&rt2x00dev->csr_mutex);
155
156 /*
157 * Wait until the RFCSR becomes available, afterwards we
158 * can safely write the read request into the register.
159 * After the data has been written, we wait until hardware
160 * returns the correct value, if at any time the register
161 * doesn't become available in time, reg will be 0xffffffff
162 * which means we return 0xff to the caller.
163 */
164 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
165 reg = 0;
166 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
167 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
168 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
169
170 rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
171
172 WAIT_FOR_RFCSR(rt2x00dev, &reg);
173 }
174
175 *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
176
177 mutex_unlock(&rt2x00dev->csr_mutex);
178 }
179
180 static void rt2800usb_rf_write(struct rt2x00_dev *rt2x00dev,
181 const unsigned int word, const u32 value)
182 {
183 u32 reg;
184
185 mutex_lock(&rt2x00dev->csr_mutex);
186
187 /*
188 * Wait until the RF becomes available, afterwards we
189 * can safely write the new data into the register.
190 */
191 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
192 reg = 0;
193 rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
194 rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
195 rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
196 rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
197
198 rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
199 rt2x00_rf_write(rt2x00dev, word, value);
200 }
201
202 mutex_unlock(&rt2x00dev->csr_mutex);
203 }
204
205 static void rt2800usb_mcu_request(struct rt2x00_dev *rt2x00dev,
206 const u8 command, const u8 token,
207 const u8 arg0, const u8 arg1)
208 {
209 u32 reg;
210
211 mutex_lock(&rt2x00dev->csr_mutex);
212
213 /*
214 * Wait until the MCU becomes available, afterwards we
215 * can safely write the new data into the register.
216 */
217 if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
218 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
219 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
220 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
221 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
222 rt2x00usb_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
223
224 reg = 0;
225 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
226 rt2x00usb_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
227 }
228
229 mutex_unlock(&rt2x00dev->csr_mutex);
230 }
231
232 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
233 static const struct rt2x00debug rt2800usb_rt2x00debug = {
234 .owner = THIS_MODULE,
235 .csr = {
236 .read = rt2x00usb_register_read,
237 .write = rt2x00usb_register_write,
238 .flags = RT2X00DEBUGFS_OFFSET,
239 .word_base = CSR_REG_BASE,
240 .word_size = sizeof(u32),
241 .word_count = CSR_REG_SIZE / sizeof(u32),
242 },
243 .eeprom = {
244 .read = rt2x00_eeprom_read,
245 .write = rt2x00_eeprom_write,
246 .word_base = EEPROM_BASE,
247 .word_size = sizeof(u16),
248 .word_count = EEPROM_SIZE / sizeof(u16),
249 },
250 .bbp = {
251 .read = rt2800usb_bbp_read,
252 .write = rt2800usb_bbp_write,
253 .word_base = BBP_BASE,
254 .word_size = sizeof(u8),
255 .word_count = BBP_SIZE / sizeof(u8),
256 },
257 .rf = {
258 .read = rt2x00_rf_read,
259 .write = rt2800usb_rf_write,
260 .word_base = RF_BASE,
261 .word_size = sizeof(u32),
262 .word_count = RF_SIZE / sizeof(u32),
263 },
264 };
265 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
266
267 static int rt2800usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
268 {
269 u32 reg;
270
271 rt2x00usb_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
272 return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
273 }
274
275 #ifdef CONFIG_RT2X00_LIB_LEDS
276 static void rt2800usb_brightness_set(struct led_classdev *led_cdev,
277 enum led_brightness brightness)
278 {
279 struct rt2x00_led *led =
280 container_of(led_cdev, struct rt2x00_led, led_dev);
281 unsigned int enabled = brightness != LED_OFF;
282 unsigned int bg_mode =
283 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
284 unsigned int polarity =
285 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
286 EEPROM_FREQ_LED_POLARITY);
287 unsigned int ledmode =
288 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
289 EEPROM_FREQ_LED_MODE);
290
291 if (led->type == LED_TYPE_RADIO) {
292 rt2800usb_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
293 enabled ? 0x20 : 0);
294 } else if (led->type == LED_TYPE_ASSOC) {
295 rt2800usb_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
296 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
297 } else if (led->type == LED_TYPE_QUALITY) {
298 /*
299 * The brightness is divided into 6 levels (0 - 5),
300 * The specs tell us the following levels:
301 * 0, 1 ,3, 7, 15, 31
302 * to determine the level in a simple way we can simply
303 * work with bitshifting:
304 * (1 << level) - 1
305 */
306 rt2800usb_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
307 (1 << brightness / (LED_FULL / 6)) - 1,
308 polarity);
309 }
310 }
311
312 static int rt2800usb_blink_set(struct led_classdev *led_cdev,
313 unsigned long *delay_on,
314 unsigned long *delay_off)
315 {
316 struct rt2x00_led *led =
317 container_of(led_cdev, struct rt2x00_led, led_dev);
318 u32 reg;
319
320 rt2x00usb_register_read(led->rt2x00dev, LED_CFG, &reg);
321 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
322 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
323 rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
324 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
325 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
326 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
327 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
328 rt2x00usb_register_write(led->rt2x00dev, LED_CFG, reg);
329
330 return 0;
331 }
332
333 static void rt2800usb_init_led(struct rt2x00_dev *rt2x00dev,
334 struct rt2x00_led *led,
335 enum led_type type)
336 {
337 led->rt2x00dev = rt2x00dev;
338 led->type = type;
339 led->led_dev.brightness_set = rt2800usb_brightness_set;
340 led->led_dev.blink_set = rt2800usb_blink_set;
341 led->flags = LED_INITIALIZED;
342 }
343 #endif /* CONFIG_RT2X00_LIB_LEDS */
344
345 /*
346 * Configuration handlers.
347 */
348 static void rt2800usb_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
349 struct rt2x00lib_crypto *crypto,
350 struct ieee80211_key_conf *key)
351 {
352 struct mac_wcid_entry wcid_entry;
353 struct mac_iveiv_entry iveiv_entry;
354 u32 offset;
355 u32 reg;
356
357 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
358
359 rt2x00usb_register_read(rt2x00dev, offset, &reg);
360 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
361 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
362 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
363 (crypto->cmd == SET_KEY) * crypto->cipher);
364 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
365 (crypto->cmd == SET_KEY) * crypto->bssidx);
366 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
367 rt2x00usb_register_write(rt2x00dev, offset, reg);
368
369 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
370
371 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
372 if ((crypto->cipher == CIPHER_TKIP) ||
373 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
374 (crypto->cipher == CIPHER_AES))
375 iveiv_entry.iv[3] |= 0x20;
376 iveiv_entry.iv[3] |= key->keyidx << 6;
377 rt2x00usb_register_multiwrite(rt2x00dev, offset,
378 &iveiv_entry, sizeof(iveiv_entry));
379
380 offset = MAC_WCID_ENTRY(key->hw_key_idx);
381
382 memset(&wcid_entry, 0, sizeof(wcid_entry));
383 if (crypto->cmd == SET_KEY)
384 memcpy(&wcid_entry, crypto->address, ETH_ALEN);
385 rt2x00usb_register_multiwrite(rt2x00dev, offset,
386 &wcid_entry, sizeof(wcid_entry));
387 }
388
389 static int rt2800usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
390 struct rt2x00lib_crypto *crypto,
391 struct ieee80211_key_conf *key)
392 {
393 struct hw_key_entry key_entry;
394 struct rt2x00_field32 field;
395 int timeout;
396 u32 offset;
397 u32 reg;
398
399 if (crypto->cmd == SET_KEY) {
400 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
401
402 memcpy(key_entry.key, crypto->key,
403 sizeof(key_entry.key));
404 memcpy(key_entry.tx_mic, crypto->tx_mic,
405 sizeof(key_entry.tx_mic));
406 memcpy(key_entry.rx_mic, crypto->rx_mic,
407 sizeof(key_entry.rx_mic));
408
409 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
410 timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
411 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
412 USB_VENDOR_REQUEST_OUT,
413 offset, &key_entry,
414 sizeof(key_entry),
415 timeout);
416 }
417
418 /*
419 * The cipher types are stored over multiple registers
420 * starting with SHARED_KEY_MODE_BASE each word will have
421 * 32 bits and contains the cipher types for 2 bssidx each.
422 * Using the correct defines correctly will cause overhead,
423 * so just calculate the correct offset.
424 */
425 field.bit_offset = 4 * (key->hw_key_idx % 8);
426 field.bit_mask = 0x7 << field.bit_offset;
427
428 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
429
430 rt2x00usb_register_read(rt2x00dev, offset, &reg);
431 rt2x00_set_field32(&reg, field,
432 (crypto->cmd == SET_KEY) * crypto->cipher);
433 rt2x00usb_register_write(rt2x00dev, offset, reg);
434
435 /*
436 * Update WCID information
437 */
438 rt2800usb_config_wcid_attr(rt2x00dev, crypto, key);
439
440 return 0;
441 }
442
443 static int rt2800usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
444 struct rt2x00lib_crypto *crypto,
445 struct ieee80211_key_conf *key)
446 {
447 struct hw_key_entry key_entry;
448 int timeout;
449 u32 offset;
450
451 if (crypto->cmd == SET_KEY) {
452 /*
453 * 1 pairwise key is possible per AID, this means that the AID
454 * equals our hw_key_idx. Make sure the WCID starts _after_ the
455 * last possible shared key entry.
456 */
457 if (crypto->aid > (256 - 32))
458 return -ENOSPC;
459
460 key->hw_key_idx = 32 + crypto->aid;
461
462 memcpy(key_entry.key, crypto->key,
463 sizeof(key_entry.key));
464 memcpy(key_entry.tx_mic, crypto->tx_mic,
465 sizeof(key_entry.tx_mic));
466 memcpy(key_entry.rx_mic, crypto->rx_mic,
467 sizeof(key_entry.rx_mic));
468
469 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
470 timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
471 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
472 USB_VENDOR_REQUEST_OUT,
473 offset, &key_entry,
474 sizeof(key_entry),
475 timeout);
476 }
477
478 /*
479 * Update WCID information
480 */
481 rt2800usb_config_wcid_attr(rt2x00dev, crypto, key);
482
483 return 0;
484 }
485
486 static void rt2800usb_config_filter(struct rt2x00_dev *rt2x00dev,
487 const unsigned int filter_flags)
488 {
489 u32 reg;
490
491 /*
492 * Start configuration steps.
493 * Note that the version error will always be dropped
494 * and broadcast frames will always be accepted since
495 * there is no filter for it at this time.
496 */
497 rt2x00usb_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
498 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
499 !(filter_flags & FIF_FCSFAIL));
500 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
501 !(filter_flags & FIF_PLCPFAIL));
502 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
503 !(filter_flags & FIF_PROMISC_IN_BSS));
504 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
505 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
506 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
507 !(filter_flags & FIF_ALLMULTI));
508 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
509 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
510 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
511 !(filter_flags & FIF_CONTROL));
512 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
513 !(filter_flags & FIF_CONTROL));
514 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
515 !(filter_flags & FIF_CONTROL));
516 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
517 !(filter_flags & FIF_CONTROL));
518 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
519 !(filter_flags & FIF_CONTROL));
520 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
521 !(filter_flags & FIF_PSPOLL));
522 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
523 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
524 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
525 !(filter_flags & FIF_CONTROL));
526 rt2x00usb_register_write(rt2x00dev, RX_FILTER_CFG, reg);
527 }
528
529 static void rt2800usb_config_intf(struct rt2x00_dev *rt2x00dev,
530 struct rt2x00_intf *intf,
531 struct rt2x00intf_conf *conf,
532 const unsigned int flags)
533 {
534 unsigned int beacon_base;
535 u32 reg;
536
537 if (flags & CONFIG_UPDATE_TYPE) {
538 /*
539 * Clear current synchronisation setup.
540 * For the Beacon base registers we only need to clear
541 * the first byte since that byte contains the VALID and OWNER
542 * bits which (when set to 0) will invalidate the entire beacon.
543 */
544 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
545 rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
546
547 /*
548 * Enable synchronisation.
549 */
550 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
551 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
552 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
553 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
554 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
555 }
556
557 if (flags & CONFIG_UPDATE_MAC) {
558 reg = le32_to_cpu(conf->mac[1]);
559 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
560 conf->mac[1] = cpu_to_le32(reg);
561
562 rt2x00usb_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
563 conf->mac, sizeof(conf->mac));
564 }
565
566 if (flags & CONFIG_UPDATE_BSSID) {
567 reg = le32_to_cpu(conf->bssid[1]);
568 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 0);
569 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
570 conf->bssid[1] = cpu_to_le32(reg);
571
572 rt2x00usb_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
573 conf->bssid, sizeof(conf->bssid));
574 }
575 }
576
577 static void rt2800usb_config_erp(struct rt2x00_dev *rt2x00dev,
578 struct rt2x00lib_erp *erp)
579 {
580 u32 reg;
581
582 rt2x00usb_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
583 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 0x20);
584 rt2x00usb_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
585
586 rt2x00usb_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
587 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
588 !!erp->short_preamble);
589 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
590 !!erp->short_preamble);
591 rt2x00usb_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
592
593 rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
594 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
595 erp->cts_protection ? 2 : 0);
596 rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
597
598 rt2x00usb_register_write(rt2x00dev, LEGACY_BASIC_RATE,
599 erp->basic_rates);
600 rt2x00usb_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
601
602 rt2x00usb_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
603 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
604 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
605 rt2x00usb_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
606
607 rt2x00usb_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
608 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
609 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
610 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
611 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
612 rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
613 rt2x00usb_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
614
615 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
616 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
617 erp->beacon_int * 16);
618 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
619 }
620
621 static void rt2800usb_config_ant(struct rt2x00_dev *rt2x00dev,
622 struct antenna_setup *ant)
623 {
624 u8 r1;
625 u8 r3;
626
627 rt2800usb_bbp_read(rt2x00dev, 1, &r1);
628 rt2800usb_bbp_read(rt2x00dev, 3, &r3);
629
630 /*
631 * Configure the TX antenna.
632 */
633 switch ((int)ant->tx) {
634 case 1:
635 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
636 break;
637 case 2:
638 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
639 break;
640 case 3:
641 /* Do nothing */
642 break;
643 }
644
645 /*
646 * Configure the RX antenna.
647 */
648 switch ((int)ant->rx) {
649 case 1:
650 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
651 break;
652 case 2:
653 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
654 break;
655 case 3:
656 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
657 break;
658 }
659
660 rt2800usb_bbp_write(rt2x00dev, 3, r3);
661 rt2800usb_bbp_write(rt2x00dev, 1, r1);
662 }
663
664 static void rt2800usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
665 struct rt2x00lib_conf *libconf)
666 {
667 u16 eeprom;
668 short lna_gain;
669
670 if (libconf->rf.channel <= 14) {
671 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
672 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
673 } else if (libconf->rf.channel <= 64) {
674 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
675 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
676 } else if (libconf->rf.channel <= 128) {
677 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
678 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
679 } else {
680 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
681 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
682 }
683
684 rt2x00dev->lna_gain = lna_gain;
685 }
686
687 static void rt2800usb_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
688 struct ieee80211_conf *conf,
689 struct rf_channel *rf,
690 struct channel_info *info)
691 {
692 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
693
694 if (rt2x00dev->default_ant.tx == 1)
695 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
696
697 if (rt2x00dev->default_ant.rx == 1) {
698 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
699 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
700 } else if (rt2x00dev->default_ant.rx == 2)
701 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
702
703 if (rf->channel > 14) {
704 /*
705 * When TX power is below 0, we should increase it by 7 to
706 * make it a positive value (Minumum value is -7).
707 * However this means that values between 0 and 7 have
708 * double meaning, and we should set a 7DBm boost flag.
709 */
710 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
711 (info->tx_power1 >= 0));
712
713 if (info->tx_power1 < 0)
714 info->tx_power1 += 7;
715
716 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
717 TXPOWER_A_TO_DEV(info->tx_power1));
718
719 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
720 (info->tx_power2 >= 0));
721
722 if (info->tx_power2 < 0)
723 info->tx_power2 += 7;
724
725 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
726 TXPOWER_A_TO_DEV(info->tx_power2));
727 } else {
728 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
729 TXPOWER_G_TO_DEV(info->tx_power1));
730 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
731 TXPOWER_G_TO_DEV(info->tx_power2));
732 }
733
734 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
735
736 rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
737 rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
738 rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
739 rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
740
741 udelay(200);
742
743 rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
744 rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
745 rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
746 rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
747
748 udelay(200);
749
750 rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
751 rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
752 rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
753 rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
754 }
755
756 static void rt2800usb_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
757 struct ieee80211_conf *conf,
758 struct rf_channel *rf,
759 struct channel_info *info)
760 {
761 u8 rfcsr;
762
763 rt2800usb_rfcsr_write(rt2x00dev, 2, rf->rf1);
764 rt2800usb_rfcsr_write(rt2x00dev, 2, rf->rf3);
765
766 rt2800usb_rfcsr_read(rt2x00dev, 6, &rfcsr);
767 rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
768 rt2800usb_rfcsr_write(rt2x00dev, 6, rfcsr);
769
770 rt2800usb_rfcsr_read(rt2x00dev, 12, &rfcsr);
771 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
772 TXPOWER_G_TO_DEV(info->tx_power1));
773 rt2800usb_rfcsr_write(rt2x00dev, 12, rfcsr);
774
775 rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr);
776 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
777 rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr);
778
779 rt2800usb_rfcsr_write(rt2x00dev, 24,
780 rt2x00dev->calibration[conf_is_ht40(conf)]);
781
782 rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr);
783 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
784 rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr);
785 }
786
787 static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev,
788 struct ieee80211_conf *conf,
789 struct rf_channel *rf,
790 struct channel_info *info)
791 {
792 u32 reg;
793 unsigned int tx_pin;
794 u8 bbp;
795
796 if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
797 rt2800usb_config_channel_rt2x(rt2x00dev, conf, rf, info);
798 else
799 rt2800usb_config_channel_rt3x(rt2x00dev, conf, rf, info);
800
801 /*
802 * Change BBP settings
803 */
804 rt2800usb_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
805 rt2800usb_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
806 rt2800usb_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
807 rt2800usb_bbp_write(rt2x00dev, 86, 0);
808
809 if (rf->channel <= 14) {
810 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
811 rt2800usb_bbp_write(rt2x00dev, 82, 0x62);
812 rt2800usb_bbp_write(rt2x00dev, 75, 0x46);
813 } else {
814 rt2800usb_bbp_write(rt2x00dev, 82, 0x84);
815 rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
816 }
817 } else {
818 rt2800usb_bbp_write(rt2x00dev, 82, 0xf2);
819
820 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
821 rt2800usb_bbp_write(rt2x00dev, 75, 0x46);
822 else
823 rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
824 }
825
826 rt2x00usb_register_read(rt2x00dev, TX_BAND_CFG, &reg);
827 rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
828 rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
829 rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
830 rt2x00usb_register_write(rt2x00dev, TX_BAND_CFG, reg);
831
832 tx_pin = 0;
833
834 /* Turn on unused PA or LNA when not using 1T or 1R */
835 if (rt2x00dev->default_ant.tx != 1) {
836 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
837 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
838 }
839
840 /* Turn on unused PA or LNA when not using 1T or 1R */
841 if (rt2x00dev->default_ant.rx != 1) {
842 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
843 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
844 }
845
846 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
847 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
848 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
849 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
850 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
851 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
852
853 rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
854
855 rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
856 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
857 rt2800usb_bbp_write(rt2x00dev, 4, bbp);
858
859 rt2800usb_bbp_read(rt2x00dev, 3, &bbp);
860 rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
861 rt2800usb_bbp_write(rt2x00dev, 3, bbp);
862
863 if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
864 if (conf_is_ht40(conf)) {
865 rt2800usb_bbp_write(rt2x00dev, 69, 0x1a);
866 rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
867 rt2800usb_bbp_write(rt2x00dev, 73, 0x16);
868 } else {
869 rt2800usb_bbp_write(rt2x00dev, 69, 0x16);
870 rt2800usb_bbp_write(rt2x00dev, 70, 0x08);
871 rt2800usb_bbp_write(rt2x00dev, 73, 0x11);
872 }
873 }
874
875 msleep(1);
876 }
877
878 static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev,
879 const int txpower)
880 {
881 u32 reg;
882 u32 value = TXPOWER_G_TO_DEV(txpower);
883 u8 r1;
884
885 rt2800usb_bbp_read(rt2x00dev, 1, &r1);
886 rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
887 rt2800usb_bbp_write(rt2x00dev, 1, r1);
888
889 rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
890 rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
891 rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
892 rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
893 rt2x00_set_field32(&reg, TX_PWR_CFG_0_11MBS, value);
894 rt2x00_set_field32(&reg, TX_PWR_CFG_0_6MBS, value);
895 rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
896 rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
897 rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
898 rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
899
900 rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
901 rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
902 rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
903 rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
904 rt2x00_set_field32(&reg, TX_PWR_CFG_1_54MBS, value);
905 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS0, value);
906 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
907 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
908 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
909 rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
910
911 rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
912 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
913 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
914 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
915 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS7, value);
916 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS8, value);
917 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
918 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
919 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
920 rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
921
922 rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
923 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
924 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
925 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
926 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS15, value);
927 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN1, value);
928 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
929 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
930 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
931 rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
932
933 rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
934 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
935 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
936 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
937 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
938 rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
939 }
940
941 static void rt2800usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
942 struct rt2x00lib_conf *libconf)
943 {
944 u32 reg;
945
946 rt2x00usb_register_read(rt2x00dev, TX_RTY_CFG, &reg);
947 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
948 libconf->conf->short_frame_max_tx_count);
949 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
950 libconf->conf->long_frame_max_tx_count);
951 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
952 rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
953 rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
954 rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
955 rt2x00usb_register_write(rt2x00dev, TX_RTY_CFG, reg);
956 }
957
958 static void rt2800usb_config_ps(struct rt2x00_dev *rt2x00dev,
959 struct rt2x00lib_conf *libconf)
960 {
961 enum dev_state state =
962 (libconf->conf->flags & IEEE80211_CONF_PS) ?
963 STATE_SLEEP : STATE_AWAKE;
964 u32 reg;
965
966 if (state == STATE_SLEEP) {
967 rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
968
969 rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
970 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
971 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
972 libconf->conf->listen_interval - 1);
973 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
974 rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
975
976 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
977 } else {
978 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
979
980 rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
981 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
982 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
983 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
984 rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
985 }
986 }
987
988 static void rt2800usb_config(struct rt2x00_dev *rt2x00dev,
989 struct rt2x00lib_conf *libconf,
990 const unsigned int flags)
991 {
992 /* Always recalculate LNA gain before changing configuration */
993 rt2800usb_config_lna_gain(rt2x00dev, libconf);
994
995 if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
996 rt2800usb_config_channel(rt2x00dev, libconf->conf,
997 &libconf->rf, &libconf->channel);
998 if (flags & IEEE80211_CONF_CHANGE_POWER)
999 rt2800usb_config_txpower(rt2x00dev, libconf->conf->power_level);
1000 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
1001 rt2800usb_config_retry_limit(rt2x00dev, libconf);
1002 if (flags & IEEE80211_CONF_CHANGE_PS)
1003 rt2800usb_config_ps(rt2x00dev, libconf);
1004 }
1005
1006 /*
1007 * Link tuning
1008 */
1009 static void rt2800usb_link_stats(struct rt2x00_dev *rt2x00dev,
1010 struct link_qual *qual)
1011 {
1012 u32 reg;
1013
1014 /*
1015 * Update FCS error count from register.
1016 */
1017 rt2x00usb_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1018 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
1019 }
1020
1021 static u8 rt2800usb_get_default_vgc(struct rt2x00_dev *rt2x00dev)
1022 {
1023 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
1024 if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION)
1025 return 0x1c + (2 * rt2x00dev->lna_gain);
1026 else
1027 return 0x2e + rt2x00dev->lna_gain;
1028 }
1029
1030 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
1031 return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
1032 else
1033 return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
1034 }
1035
1036 static inline void rt2800usb_set_vgc(struct rt2x00_dev *rt2x00dev,
1037 struct link_qual *qual, u8 vgc_level)
1038 {
1039 if (qual->vgc_level != vgc_level) {
1040 rt2800usb_bbp_write(rt2x00dev, 66, vgc_level);
1041 qual->vgc_level = vgc_level;
1042 qual->vgc_level_reg = vgc_level;
1043 }
1044 }
1045
1046 static void rt2800usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
1047 struct link_qual *qual)
1048 {
1049 rt2800usb_set_vgc(rt2x00dev, qual,
1050 rt2800usb_get_default_vgc(rt2x00dev));
1051 }
1052
1053 static void rt2800usb_link_tuner(struct rt2x00_dev *rt2x00dev,
1054 struct link_qual *qual, const u32 count)
1055 {
1056 if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION)
1057 return;
1058
1059 /*
1060 * When RSSI is better then -80 increase VGC level with 0x10
1061 */
1062 rt2800usb_set_vgc(rt2x00dev, qual,
1063 rt2800usb_get_default_vgc(rt2x00dev) +
1064 ((qual->rssi > -80) * 0x10));
1065 }
1066
1067 /*
1068 * Firmware functions
1069 */
1070 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
1071 {
1072 return FIRMWARE_RT2870;
1073 }
1074
1075 static bool rt2800usb_check_crc(const u8 *data, const size_t len)
1076 {
1077 u16 fw_crc;
1078 u16 crc;
1079
1080 /*
1081 * The last 2 bytes in the firmware array are the crc checksum itself,
1082 * this means that we should never pass those 2 bytes to the crc
1083 * algorithm.
1084 */
1085 fw_crc = (data[len - 2] << 8 | data[len - 1]);
1086
1087 /*
1088 * Use the crc ccitt algorithm.
1089 * This will return the same value as the legacy driver which
1090 * used bit ordering reversion on the both the firmware bytes
1091 * before input input as well as on the final output.
1092 * Obviously using crc ccitt directly is much more efficient.
1093 */
1094 crc = crc_ccitt(~0, data, len - 2);
1095
1096 /*
1097 * There is a small difference between the crc-itu-t + bitrev and
1098 * the crc-ccitt crc calculation. In the latter method the 2 bytes
1099 * will be swapped, use swab16 to convert the crc to the correct
1100 * value.
1101 */
1102 crc = swab16(crc);
1103
1104 return fw_crc == crc;
1105 }
1106
1107 static int rt2800usb_check_firmware(struct rt2x00_dev *rt2x00dev,
1108 const u8 *data, const size_t len)
1109 {
1110 u16 chipset = (rt2x00_rev(&rt2x00dev->chip) >> 16) & 0xffff;
1111 size_t offset = 0;
1112
1113 /*
1114 * Firmware files:
1115 * There are 2 variations of the rt2870 firmware.
1116 * a) size: 4kb
1117 * b) size: 8kb
1118 * Note that (b) contains 2 seperate firmware blobs of 4k
1119 * within the file. The first blob is the same firmware as (a),
1120 * but the second blob is for the additional chipsets.
1121 */
1122 if (len != 4096 && len != 8192)
1123 return FW_BAD_LENGTH;
1124
1125 /*
1126 * Check if we need the upper 4kb firmware data or not.
1127 */
1128 if ((len == 4096) &&
1129 (chipset != 0x2860) &&
1130 (chipset != 0x2872) &&
1131 (chipset != 0x3070))
1132 return FW_BAD_VERSION;
1133
1134 /*
1135 * 8kb firmware files must be checked as if it were
1136 * 2 seperate firmware files.
1137 */
1138 while (offset < len) {
1139 if (!rt2800usb_check_crc(data + offset, 4096))
1140 return FW_BAD_CRC;
1141
1142 offset += 4096;
1143 }
1144
1145 return FW_OK;
1146 }
1147
1148 static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
1149 const u8 *data, const size_t len)
1150 {
1151 unsigned int i;
1152 int status;
1153 u32 reg;
1154 u32 offset;
1155 u32 length;
1156 u16 chipset = (rt2x00_rev(&rt2x00dev->chip) >> 16) & 0xffff;
1157
1158 /*
1159 * Check which section of the firmware we need.
1160 */
1161 if ((chipset == 0x2860) ||
1162 (chipset == 0x2872) ||
1163 (chipset == 0x3070)) {
1164 offset = 0;
1165 length = 4096;
1166 } else {
1167 offset = 4096;
1168 length = 4096;
1169 }
1170
1171 /*
1172 * Wait for stable hardware.
1173 */
1174 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1175 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1176 if (reg && reg != ~0)
1177 break;
1178 msleep(1);
1179 }
1180
1181 if (i == REGISTER_BUSY_COUNT) {
1182 ERROR(rt2x00dev, "Unstable hardware.\n");
1183 return -EBUSY;
1184 }
1185
1186 /*
1187 * Write firmware to device.
1188 */
1189 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
1190 USB_VENDOR_REQUEST_OUT,
1191 FIRMWARE_IMAGE_BASE,
1192 data + offset, length,
1193 REGISTER_TIMEOUT32(length));
1194
1195 rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
1196 rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
1197
1198 /*
1199 * Send firmware request to device to load firmware,
1200 * we need to specify a long timeout time.
1201 */
1202 status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
1203 0, USB_MODE_FIRMWARE,
1204 REGISTER_TIMEOUT_FIRMWARE);
1205 if (status < 0) {
1206 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
1207 return status;
1208 }
1209
1210 msleep(10);
1211 rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
1212
1213 /*
1214 * Send signal to firmware during boot time.
1215 */
1216 rt2800usb_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
1217
1218 if ((chipset == 0x3070) ||
1219 (chipset == 0x3071) ||
1220 (chipset == 0x3572)) {
1221 udelay(200);
1222 rt2800usb_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
1223 udelay(10);
1224 }
1225
1226 /*
1227 * Wait for device to stabilize.
1228 */
1229 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1230 rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
1231 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
1232 break;
1233 msleep(1);
1234 }
1235
1236 if (i == REGISTER_BUSY_COUNT) {
1237 ERROR(rt2x00dev, "PBF system register not ready.\n");
1238 return -EBUSY;
1239 }
1240
1241 /*
1242 * Initialize firmware.
1243 */
1244 rt2x00usb_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
1245 rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
1246 msleep(1);
1247
1248 return 0;
1249 }
1250
1251 /*
1252 * Initialization functions.
1253 */
1254 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
1255 {
1256 u32 reg;
1257 unsigned int i;
1258
1259 /*
1260 * Wait untill BBP and RF are ready.
1261 */
1262 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1263 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1264 if (reg && reg != ~0)
1265 break;
1266 msleep(1);
1267 }
1268
1269 if (i == REGISTER_BUSY_COUNT) {
1270 ERROR(rt2x00dev, "Unstable hardware.\n");
1271 return -EBUSY;
1272 }
1273
1274 rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
1275 rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
1276
1277 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1278 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
1279 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
1280 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1281
1282 rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
1283
1284 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
1285 USB_MODE_RESET, REGISTER_TIMEOUT);
1286
1287 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1288
1289 rt2x00usb_register_read(rt2x00dev, BCN_OFFSET0, &reg);
1290 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
1291 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
1292 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
1293 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
1294 rt2x00usb_register_write(rt2x00dev, BCN_OFFSET0, reg);
1295
1296 rt2x00usb_register_read(rt2x00dev, BCN_OFFSET1, &reg);
1297 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
1298 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
1299 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
1300 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
1301 rt2x00usb_register_write(rt2x00dev, BCN_OFFSET1, reg);
1302
1303 rt2x00usb_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
1304 rt2x00usb_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1305
1306 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1307
1308 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1309 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
1310 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
1311 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
1312 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
1313 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1314 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
1315 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1316
1317 if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
1318 rt2x00usb_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
1319 rt2x00usb_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
1320 rt2x00usb_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
1321 } else {
1322 rt2x00usb_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
1323 rt2x00usb_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
1324 }
1325
1326 rt2x00usb_register_read(rt2x00dev, TX_LINK_CFG, &reg);
1327 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
1328 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
1329 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
1330 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
1331 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
1332 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
1333 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
1334 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
1335 rt2x00usb_register_write(rt2x00dev, TX_LINK_CFG, reg);
1336
1337 rt2x00usb_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
1338 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
1339 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
1340 rt2x00usb_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
1341
1342 rt2x00usb_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
1343 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
1344 if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION &&
1345 rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION)
1346 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
1347 else
1348 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
1349 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
1350 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
1351 rt2x00usb_register_write(rt2x00dev, MAX_LEN_CFG, reg);
1352
1353 rt2x00usb_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
1354
1355 rt2x00usb_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1356 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
1357 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
1358 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
1359 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
1360 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
1361 rt2x00usb_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1362
1363 rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
1364 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 8);
1365 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
1366 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
1367 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1368 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1369 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1370 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1371 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1372 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1373 rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg);
1374
1375 rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1376 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 8);
1377 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
1378 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
1379 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1380 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1381 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1382 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1383 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1384 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1385 rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1386
1387 rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1388 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
1389 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
1390 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
1391 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1392 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1393 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1394 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1395 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1396 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1397 rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1398
1399 rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1400 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
1401 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
1402 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
1403 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1404 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1405 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1406 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1407 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1408 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1409 rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1410
1411 rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1412 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
1413 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
1414 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
1415 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1416 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1417 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1418 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1419 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1420 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1421 rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1422
1423 rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1424 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
1425 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
1426 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
1427 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1428 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1429 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1430 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1431 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1432 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1433 rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1434
1435 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
1436
1437 rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1438 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
1439 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
1440 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
1441 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
1442 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
1443 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
1444 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
1445 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
1446 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
1447 rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1448
1449 rt2x00usb_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
1450 rt2x00usb_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
1451
1452 rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, &reg);
1453 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
1454 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
1455 IEEE80211_MAX_RTS_THRESHOLD);
1456 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
1457 rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg);
1458
1459 rt2x00usb_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
1460 rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
1461
1462 /*
1463 * ASIC will keep garbage value after boot, clear encryption keys.
1464 */
1465 for (i = 0; i < 4; i++)
1466 rt2x00usb_register_write(rt2x00dev,
1467 SHARED_KEY_MODE_ENTRY(i), 0);
1468
1469 for (i = 0; i < 256; i++) {
1470 u32 wcid[2] = { 0xffffffff, 0x00ffffff };
1471 rt2x00usb_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
1472 wcid, sizeof(wcid));
1473
1474 rt2x00usb_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
1475 rt2x00usb_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
1476 }
1477
1478 /*
1479 * Clear all beacons
1480 * For the Beacon base registers we only need to clear
1481 * the first byte since that byte contains the VALID and OWNER
1482 * bits which (when set to 0) will invalidate the entire beacon.
1483 */
1484 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1485 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1486 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1487 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1488 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
1489 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
1490 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
1491 rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
1492
1493 rt2x00usb_register_read(rt2x00dev, USB_CYC_CFG, &reg);
1494 rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
1495 rt2x00usb_register_write(rt2x00dev, USB_CYC_CFG, reg);
1496
1497 rt2x00usb_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
1498 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
1499 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
1500 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
1501 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
1502 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
1503 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
1504 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
1505 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
1506 rt2x00usb_register_write(rt2x00dev, HT_FBK_CFG0, reg);
1507
1508 rt2x00usb_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
1509 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
1510 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
1511 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
1512 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
1513 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
1514 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
1515 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
1516 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
1517 rt2x00usb_register_write(rt2x00dev, HT_FBK_CFG1, reg);
1518
1519 rt2x00usb_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
1520 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
1521 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
1522 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
1523 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
1524 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
1525 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
1526 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
1527 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
1528 rt2x00usb_register_write(rt2x00dev, LG_FBK_CFG0, reg);
1529
1530 rt2x00usb_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
1531 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
1532 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
1533 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
1534 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
1535 rt2x00usb_register_write(rt2x00dev, LG_FBK_CFG1, reg);
1536
1537 /*
1538 * We must clear the error counters.
1539 * These registers are cleared on read,
1540 * so we may pass a useless variable to store the value.
1541 */
1542 rt2x00usb_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1543 rt2x00usb_register_read(rt2x00dev, RX_STA_CNT1, &reg);
1544 rt2x00usb_register_read(rt2x00dev, RX_STA_CNT2, &reg);
1545 rt2x00usb_register_read(rt2x00dev, TX_STA_CNT0, &reg);
1546 rt2x00usb_register_read(rt2x00dev, TX_STA_CNT1, &reg);
1547 rt2x00usb_register_read(rt2x00dev, TX_STA_CNT2, &reg);
1548
1549 return 0;
1550 }
1551
1552 static int rt2800usb_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
1553 {
1554 unsigned int i;
1555 u32 reg;
1556
1557 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1558 rt2x00usb_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
1559 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
1560 return 0;
1561
1562 udelay(REGISTER_BUSY_DELAY);
1563 }
1564
1565 ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
1566 return -EACCES;
1567 }
1568
1569 static int rt2800usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1570 {
1571 unsigned int i;
1572 u8 value;
1573
1574 /*
1575 * BBP was enabled after firmware was loaded,
1576 * but we need to reactivate it now.
1577 */
1578 rt2x00usb_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
1579 rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
1580 msleep(1);
1581
1582 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1583 rt2800usb_bbp_read(rt2x00dev, 0, &value);
1584 if ((value != 0xff) && (value != 0x00))
1585 return 0;
1586 udelay(REGISTER_BUSY_DELAY);
1587 }
1588
1589 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1590 return -EACCES;
1591 }
1592
1593 static int rt2800usb_init_bbp(struct rt2x00_dev *rt2x00dev)
1594 {
1595 unsigned int i;
1596 u16 eeprom;
1597 u8 reg_id;
1598 u8 value;
1599
1600 if (unlikely(rt2800usb_wait_bbp_rf_ready(rt2x00dev) ||
1601 rt2800usb_wait_bbp_ready(rt2x00dev)))
1602 return -EACCES;
1603
1604 rt2800usb_bbp_write(rt2x00dev, 65, 0x2c);
1605 rt2800usb_bbp_write(rt2x00dev, 66, 0x38);
1606 rt2800usb_bbp_write(rt2x00dev, 69, 0x12);
1607 rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
1608 rt2800usb_bbp_write(rt2x00dev, 73, 0x10);
1609 rt2800usb_bbp_write(rt2x00dev, 81, 0x37);
1610 rt2800usb_bbp_write(rt2x00dev, 82, 0x62);
1611 rt2800usb_bbp_write(rt2x00dev, 83, 0x6a);
1612 rt2800usb_bbp_write(rt2x00dev, 84, 0x99);
1613 rt2800usb_bbp_write(rt2x00dev, 86, 0x00);
1614 rt2800usb_bbp_write(rt2x00dev, 91, 0x04);
1615 rt2800usb_bbp_write(rt2x00dev, 92, 0x00);
1616 rt2800usb_bbp_write(rt2x00dev, 103, 0x00);
1617 rt2800usb_bbp_write(rt2x00dev, 105, 0x05);
1618
1619 if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
1620 rt2800usb_bbp_write(rt2x00dev, 69, 0x16);
1621 rt2800usb_bbp_write(rt2x00dev, 73, 0x12);
1622 }
1623
1624 if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION) {
1625 rt2800usb_bbp_write(rt2x00dev, 84, 0x19);
1626 }
1627
1628 if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
1629 rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
1630 rt2800usb_bbp_write(rt2x00dev, 84, 0x99);
1631 rt2800usb_bbp_write(rt2x00dev, 105, 0x05);
1632 }
1633
1634 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1635 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1636
1637 if (eeprom != 0xffff && eeprom != 0x0000) {
1638 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1639 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1640 rt2800usb_bbp_write(rt2x00dev, reg_id, value);
1641 }
1642 }
1643
1644 return 0;
1645 }
1646
1647 static u8 rt2800usb_init_rx_filter(struct rt2x00_dev *rt2x00dev,
1648 bool bw40, u8 rfcsr24, u8 filter_target)
1649 {
1650 unsigned int i;
1651 u8 bbp;
1652 u8 rfcsr;
1653 u8 passband;
1654 u8 stopband;
1655 u8 overtuned = 0;
1656
1657 rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
1658
1659 rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
1660 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
1661 rt2800usb_bbp_write(rt2x00dev, 4, bbp);
1662
1663 rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr);
1664 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
1665 rt2800usb_rfcsr_write(rt2x00dev, 22, rfcsr);
1666
1667 /*
1668 * Set power & frequency of passband test tone
1669 */
1670 rt2800usb_bbp_write(rt2x00dev, 24, 0);
1671
1672 for (i = 0; i < 100; i++) {
1673 rt2800usb_bbp_write(rt2x00dev, 25, 0x90);
1674 msleep(1);
1675
1676 rt2800usb_bbp_read(rt2x00dev, 55, &passband);
1677 if (passband)
1678 break;
1679 }
1680
1681 /*
1682 * Set power & frequency of stopband test tone
1683 */
1684 rt2800usb_bbp_write(rt2x00dev, 24, 0x06);
1685
1686 for (i = 0; i < 100; i++) {
1687 rt2800usb_bbp_write(rt2x00dev, 25, 0x90);
1688 msleep(1);
1689
1690 rt2800usb_bbp_read(rt2x00dev, 55, &stopband);
1691
1692 if ((passband - stopband) <= filter_target) {
1693 rfcsr24++;
1694 overtuned += ((passband - stopband) == filter_target);
1695 } else
1696 break;
1697
1698 rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
1699 }
1700
1701 rfcsr24 -= !!overtuned;
1702
1703 rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
1704 return rfcsr24;
1705 }
1706
1707 static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev)
1708 {
1709 u8 rfcsr;
1710 u8 bbp;
1711
1712 if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
1713 return 0;
1714
1715 /*
1716 * Init RF calibration.
1717 */
1718 rt2800usb_rfcsr_read(rt2x00dev, 30, &rfcsr);
1719 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1720 rt2800usb_rfcsr_write(rt2x00dev, 30, rfcsr);
1721 msleep(1);
1722 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1723 rt2800usb_rfcsr_write(rt2x00dev, 30, rfcsr);
1724
1725 rt2800usb_rfcsr_write(rt2x00dev, 4, 0x40);
1726 rt2800usb_rfcsr_write(rt2x00dev, 5, 0x03);
1727 rt2800usb_rfcsr_write(rt2x00dev, 6, 0x02);
1728 rt2800usb_rfcsr_write(rt2x00dev, 7, 0x70);
1729 rt2800usb_rfcsr_write(rt2x00dev, 9, 0x0f);
1730 rt2800usb_rfcsr_write(rt2x00dev, 10, 0x71);
1731 rt2800usb_rfcsr_write(rt2x00dev, 11, 0x21);
1732 rt2800usb_rfcsr_write(rt2x00dev, 12, 0x7b);
1733 rt2800usb_rfcsr_write(rt2x00dev, 14, 0x90);
1734 rt2800usb_rfcsr_write(rt2x00dev, 15, 0x58);
1735 rt2800usb_rfcsr_write(rt2x00dev, 16, 0xb3);
1736 rt2800usb_rfcsr_write(rt2x00dev, 17, 0x92);
1737 rt2800usb_rfcsr_write(rt2x00dev, 18, 0x2c);
1738 rt2800usb_rfcsr_write(rt2x00dev, 19, 0x02);
1739 rt2800usb_rfcsr_write(rt2x00dev, 20, 0xba);
1740 rt2800usb_rfcsr_write(rt2x00dev, 21, 0xdb);
1741 rt2800usb_rfcsr_write(rt2x00dev, 24, 0x16);
1742 rt2800usb_rfcsr_write(rt2x00dev, 25, 0x01);
1743 rt2800usb_rfcsr_write(rt2x00dev, 27, 0x03);
1744 rt2800usb_rfcsr_write(rt2x00dev, 29, 0x1f);
1745
1746 /*
1747 * Set RX Filter calibration for 20MHz and 40MHz
1748 */
1749 rt2x00dev->calibration[0] =
1750 rt2800usb_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
1751 rt2x00dev->calibration[1] =
1752 rt2800usb_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
1753
1754 /*
1755 * Set back to initial state
1756 */
1757 rt2800usb_bbp_write(rt2x00dev, 24, 0);
1758
1759 rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr);
1760 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
1761 rt2800usb_rfcsr_write(rt2x00dev, 22, rfcsr);
1762
1763 /*
1764 * set BBP back to BW20
1765 */
1766 rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
1767 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
1768 rt2800usb_bbp_write(rt2x00dev, 4, bbp);
1769
1770 return 0;
1771 }
1772
1773 /*
1774 * Device state switch handlers.
1775 */
1776 static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
1777 enum dev_state state)
1778 {
1779 u32 reg;
1780
1781 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1782 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX,
1783 (state == STATE_RADIO_RX_ON) ||
1784 (state == STATE_RADIO_RX_ON_LINK));
1785 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1786 }
1787
1788 static int rt2800usb_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
1789 {
1790 unsigned int i;
1791 u32 reg;
1792
1793 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1794 rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1795 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
1796 !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
1797 return 0;
1798
1799 msleep(1);
1800 }
1801
1802 ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
1803 return -EACCES;
1804 }
1805
1806 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1807 {
1808 u32 reg;
1809 u16 word;
1810
1811 /*
1812 * Initialize all registers.
1813 */
1814 if (unlikely(rt2800usb_wait_wpdma_ready(rt2x00dev) ||
1815 rt2800usb_init_registers(rt2x00dev) ||
1816 rt2800usb_init_bbp(rt2x00dev) ||
1817 rt2800usb_init_rfcsr(rt2x00dev)))
1818 return -EIO;
1819
1820 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1821 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
1822 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1823
1824 udelay(50);
1825
1826 rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1827 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
1828 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
1829 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
1830 rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1831
1832
1833 rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
1834 rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
1835 /* Don't use bulk in aggregation when working with USB 1.1 */
1836 rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN,
1837 (rt2x00dev->rx->usb_maxpacket == 512));
1838 rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
1839 /*
1840 * Total room for RX frames in kilobytes, PBF might still exceed
1841 * this limit so reduce the number to prevent errors.
1842 */
1843 rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
1844 ((RX_ENTRIES * DATA_FRAME_SIZE) / 1024) - 3);
1845 rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
1846 rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
1847 rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
1848
1849 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1850 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
1851 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
1852 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1853
1854 /*
1855 * Initialize LED control
1856 */
1857 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
1858 rt2800usb_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
1859 word & 0xff, (word >> 8) & 0xff);
1860
1861 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
1862 rt2800usb_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
1863 word & 0xff, (word >> 8) & 0xff);
1864
1865 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
1866 rt2800usb_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
1867 word & 0xff, (word >> 8) & 0xff);
1868
1869 return 0;
1870 }
1871
1872 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1873 {
1874 u32 reg;
1875
1876 rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1877 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
1878 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
1879 rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1880
1881 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
1882 rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0);
1883 rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, 0);
1884
1885 /* Wait for DMA, ignore error */
1886 rt2800usb_wait_wpdma_ready(rt2x00dev);
1887
1888 rt2x00usb_disable_radio(rt2x00dev);
1889 }
1890
1891 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
1892 enum dev_state state)
1893 {
1894 if (state == STATE_AWAKE)
1895 rt2800usb_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0);
1896 else
1897 rt2800usb_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
1898
1899 return 0;
1900 }
1901
1902 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1903 enum dev_state state)
1904 {
1905 int retval = 0;
1906
1907 switch (state) {
1908 case STATE_RADIO_ON:
1909 /*
1910 * Before the radio can be enabled, the device first has
1911 * to be woken up. After that it needs a bit of time
1912 * to be fully awake and then the radio can be enabled.
1913 */
1914 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
1915 msleep(1);
1916 retval = rt2800usb_enable_radio(rt2x00dev);
1917 break;
1918 case STATE_RADIO_OFF:
1919 /*
1920 * After the radio has been disabled, the device should
1921 * be put to sleep for powersaving.
1922 */
1923 rt2800usb_disable_radio(rt2x00dev);
1924 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
1925 break;
1926 case STATE_RADIO_RX_ON:
1927 case STATE_RADIO_RX_ON_LINK:
1928 case STATE_RADIO_RX_OFF:
1929 case STATE_RADIO_RX_OFF_LINK:
1930 rt2800usb_toggle_rx(rt2x00dev, state);
1931 break;
1932 case STATE_RADIO_IRQ_ON:
1933 case STATE_RADIO_IRQ_OFF:
1934 /* No support, but no error either */
1935 break;
1936 case STATE_DEEP_SLEEP:
1937 case STATE_SLEEP:
1938 case STATE_STANDBY:
1939 case STATE_AWAKE:
1940 retval = rt2800usb_set_state(rt2x00dev, state);
1941 break;
1942 default:
1943 retval = -ENOTSUPP;
1944 break;
1945 }
1946
1947 if (unlikely(retval))
1948 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1949 state, retval);
1950
1951 return retval;
1952 }
1953
1954 /*
1955 * TX descriptor initialization
1956 */
1957 static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1958 struct sk_buff *skb,
1959 struct txentry_desc *txdesc)
1960 {
1961 struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1962 __le32 *txi = skbdesc->desc;
1963 __le32 *txwi = &txi[TXINFO_DESC_SIZE / sizeof(__le32)];
1964 u32 word;
1965
1966 /*
1967 * Initialize TX Info descriptor
1968 */
1969 rt2x00_desc_read(txwi, 0, &word);
1970 rt2x00_set_field32(&word, TXWI_W0_FRAG,
1971 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1972 rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, 0);
1973 rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
1974 rt2x00_set_field32(&word, TXWI_W0_TS,
1975 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1976 rt2x00_set_field32(&word, TXWI_W0_AMPDU,
1977 test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
1978 rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->mpdu_density);
1979 rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->ifs);
1980 rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->mcs);
1981 rt2x00_set_field32(&word, TXWI_W0_BW,
1982 test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
1983 rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
1984 test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
1985 rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->stbc);
1986 rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
1987 rt2x00_desc_write(txwi, 0, word);
1988
1989 rt2x00_desc_read(txwi, 1, &word);
1990 rt2x00_set_field32(&word, TXWI_W1_ACK,
1991 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1992 rt2x00_set_field32(&word, TXWI_W1_NSEQ,
1993 test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
1994 rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size);
1995 rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
1996 test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
1997 (skbdesc->entry->entry_idx + 1) : 0xff);
1998 rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
1999 skb->len - txdesc->l2pad);
2000 rt2x00_set_field32(&word, TXWI_W1_PACKETID,
2001 skbdesc->entry->queue->qid + 1);
2002 rt2x00_desc_write(txwi, 1, word);
2003
2004 /*
2005 * Always write 0 to IV/EIV fields, hardware will insert the IV
2006 * from the IVEIV register when TXINFO_W0_WIV is set to 0.
2007 * When TXINFO_W0_WIV is set to 1 it will use the IV data
2008 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
2009 * crypto entry in the registers should be used to encrypt the frame.
2010 */
2011 _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */);
2012 _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */);
2013
2014 /*
2015 * Initialize TX descriptor
2016 */
2017 rt2x00_desc_read(txi, 0, &word);
2018 rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
2019 skb->len + TXWI_DESC_SIZE);
2020 rt2x00_set_field32(&word, TXINFO_W0_WIV,
2021 !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
2022 rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
2023 rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
2024 rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
2025 rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
2026 test_bit(ENTRY_TXD_BURST, &txdesc->flags));
2027 rt2x00_desc_write(txi, 0, word);
2028 }
2029
2030 /*
2031 * TX data initialization
2032 */
2033 static void rt2800usb_write_beacon(struct queue_entry *entry)
2034 {
2035 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
2036 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
2037 unsigned int beacon_base;
2038 u32 reg;
2039
2040 /*
2041 * Add the descriptor in front of the skb.
2042 */
2043 skb_push(entry->skb, entry->queue->desc_size);
2044 memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
2045 skbdesc->desc = entry->skb->data;
2046
2047 /*
2048 * Disable beaconing while we are reloading the beacon data,
2049 * otherwise we might be sending out invalid data.
2050 */
2051 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
2052 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
2053 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
2054
2055 /*
2056 * Write entire beacon with descriptor to register.
2057 */
2058 beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
2059 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
2060 USB_VENDOR_REQUEST_OUT, beacon_base,
2061 entry->skb->data, entry->skb->len,
2062 REGISTER_TIMEOUT32(entry->skb->len));
2063
2064 /*
2065 * Clean up the beacon skb.
2066 */
2067 dev_kfree_skb(entry->skb);
2068 entry->skb = NULL;
2069 }
2070
2071 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
2072 {
2073 int length;
2074
2075 /*
2076 * The length _must_ include 4 bytes padding,
2077 * it should always be multiple of 4,
2078 * but it must _not_ be a multiple of the USB packet size.
2079 */
2080 length = roundup(entry->skb->len + 4, 4);
2081 length += (4 * !(length % entry->queue->usb_maxpacket));
2082
2083 return length;
2084 }
2085
2086 static void rt2800usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
2087 const enum data_queue_qid queue)
2088 {
2089 u32 reg;
2090
2091 if (queue != QID_BEACON) {
2092 rt2x00usb_kick_tx_queue(rt2x00dev, queue);
2093 return;
2094 }
2095
2096 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
2097 if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) {
2098 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
2099 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
2100 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
2101 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
2102 }
2103 }
2104
2105 /*
2106 * RX control handlers
2107 */
2108 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
2109 struct rxdone_entry_desc *rxdesc)
2110 {
2111 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
2112 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
2113 __le32 *rxd = (__le32 *)entry->skb->data;
2114 __le32 *rxwi;
2115 u32 rxd0;
2116 u32 rxwi0;
2117 u32 rxwi1;
2118 u32 rxwi2;
2119 u32 rxwi3;
2120
2121 /*
2122 * Copy descriptor to the skbdesc->desc buffer, making it safe from
2123 * moving of frame data in rt2x00usb.
2124 */
2125 memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
2126 rxd = (__le32 *)skbdesc->desc;
2127 rxwi = &rxd[RXD_DESC_SIZE / sizeof(__le32)];
2128
2129 /*
2130 * It is now safe to read the descriptor on all architectures.
2131 */
2132 rt2x00_desc_read(rxd, 0, &rxd0);
2133 rt2x00_desc_read(rxwi, 0, &rxwi0);
2134 rt2x00_desc_read(rxwi, 1, &rxwi1);
2135 rt2x00_desc_read(rxwi, 2, &rxwi2);
2136 rt2x00_desc_read(rxwi, 3, &rxwi3);
2137
2138 if (rt2x00_get_field32(rxd0, RXD_W0_CRC_ERROR))
2139 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
2140
2141 if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
2142 rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF);
2143 rxdesc->cipher_status =
2144 rt2x00_get_field32(rxd0, RXD_W0_CIPHER_ERROR);
2145 }
2146
2147 if (rt2x00_get_field32(rxd0, RXD_W0_DECRYPTED)) {
2148 /*
2149 * Hardware has stripped IV/EIV data from 802.11 frame during
2150 * decryption. Unfortunately the descriptor doesn't contain
2151 * any fields with the EIV/IV data either, so they can't
2152 * be restored by rt2x00lib.
2153 */
2154 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
2155
2156 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
2157 rxdesc->flags |= RX_FLAG_DECRYPTED;
2158 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
2159 rxdesc->flags |= RX_FLAG_MMIC_ERROR;
2160 }
2161
2162 if (rt2x00_get_field32(rxd0, RXD_W0_MY_BSS))
2163 rxdesc->dev_flags |= RXDONE_MY_BSS;
2164
2165 if (rt2x00_get_field32(rxd0, RXD_W0_L2PAD)) {
2166 rxdesc->dev_flags |= RXDONE_L2PAD;
2167 skbdesc->flags |= SKBDESC_L2_PADDED;
2168 }
2169
2170 if (rt2x00_get_field32(rxwi1, RXWI_W1_SHORT_GI))
2171 rxdesc->flags |= RX_FLAG_SHORT_GI;
2172
2173 if (rt2x00_get_field32(rxwi1, RXWI_W1_BW))
2174 rxdesc->flags |= RX_FLAG_40MHZ;
2175
2176 /*
2177 * Detect RX rate, always use MCS as signal type.
2178 */
2179 rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
2180 rxdesc->rate_mode = rt2x00_get_field32(rxwi1, RXWI_W1_PHYMODE);
2181 rxdesc->signal = rt2x00_get_field32(rxwi1, RXWI_W1_MCS);
2182
2183 /*
2184 * Mask of 0x8 bit to remove the short preamble flag.
2185 */
2186 if (rxdesc->rate_mode == RATE_MODE_CCK)
2187 rxdesc->signal &= ~0x8;
2188
2189 rxdesc->rssi =
2190 (rt2x00_get_field32(rxwi2, RXWI_W2_RSSI0) +
2191 rt2x00_get_field32(rxwi2, RXWI_W2_RSSI1)) / 2;
2192
2193 rxdesc->noise =
2194 (rt2x00_get_field32(rxwi3, RXWI_W3_SNR0) +
2195 rt2x00_get_field32(rxwi3, RXWI_W3_SNR1)) / 2;
2196
2197 rxdesc->size = rt2x00_get_field32(rxwi0, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
2198
2199 /*
2200 * Remove RXWI descriptor from start of buffer.
2201 */
2202 skb_pull(entry->skb, skbdesc->desc_len);
2203 skb_trim(entry->skb, rxdesc->size);
2204 }
2205
2206 /*
2207 * Device probe functions.
2208 */
2209 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
2210 {
2211 u16 word;
2212 u8 *mac;
2213 u8 default_lna_gain;
2214
2215 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
2216
2217 /*
2218 * Start validation of the data that has been read.
2219 */
2220 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
2221 if (!is_valid_ether_addr(mac)) {
2222 random_ether_addr(mac);
2223 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
2224 }
2225
2226 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
2227 if (word == 0xffff) {
2228 rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
2229 rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
2230 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
2231 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
2232 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
2233 } else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
2234 /*
2235 * There is a max of 2 RX streams for RT2870 series
2236 */
2237 if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
2238 rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
2239 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
2240 }
2241
2242 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
2243 if (word == 0xffff) {
2244 rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
2245 rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
2246 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
2247 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
2248 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
2249 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
2250 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
2251 rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
2252 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
2253 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
2254 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
2255 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
2256 }
2257
2258 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
2259 if ((word & 0x00ff) == 0x00ff) {
2260 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
2261 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
2262 LED_MODE_TXRX_ACTIVITY);
2263 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
2264 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
2265 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
2266 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
2267 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
2268 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
2269 }
2270
2271 /*
2272 * During the LNA validation we are going to use
2273 * lna0 as correct value. Note that EEPROM_LNA
2274 * is never validated.
2275 */
2276 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
2277 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
2278
2279 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
2280 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
2281 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
2282 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
2283 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
2284 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
2285
2286 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
2287 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
2288 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
2289 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
2290 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
2291 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
2292 default_lna_gain);
2293 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
2294
2295 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
2296 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
2297 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
2298 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
2299 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
2300 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
2301
2302 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
2303 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
2304 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
2305 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
2306 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
2307 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
2308 default_lna_gain);
2309 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
2310
2311 return 0;
2312 }
2313
2314 static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
2315 {
2316 u32 reg;
2317 u16 value;
2318 u16 eeprom;
2319
2320 /*
2321 * Read EEPROM word for configuration.
2322 */
2323 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
2324
2325 /*
2326 * Identify RF chipset.
2327 */
2328 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
2329 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
2330 rt2x00_set_chip(rt2x00dev, RT2870, value, reg);
2331
2332 /*
2333 * The check for rt2860 is not a typo, some rt2870 hardware
2334 * identifies itself as rt2860 in the CSR register.
2335 */
2336 if (!rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28600000) &&
2337 !rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28700000) &&
2338 !rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28800000) &&
2339 !rt2x00_check_rev(&rt2x00dev->chip, 0xffff0000, 0x30700000)) {
2340 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
2341 return -ENODEV;
2342 }
2343
2344 if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
2345 !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
2346 !rt2x00_rf(&rt2x00dev->chip, RF2720) &&
2347 !rt2x00_rf(&rt2x00dev->chip, RF2750) &&
2348 !rt2x00_rf(&rt2x00dev->chip, RF3020) &&
2349 !rt2x00_rf(&rt2x00dev->chip, RF2020)) {
2350 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
2351 return -ENODEV;
2352 }
2353
2354 /*
2355 * Identify default antenna configuration.
2356 */
2357 rt2x00dev->default_ant.tx =
2358 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH);
2359 rt2x00dev->default_ant.rx =
2360 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH);
2361
2362 /*
2363 * Read frequency offset and RF programming sequence.
2364 */
2365 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
2366 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
2367
2368 /*
2369 * Read external LNA informations.
2370 */
2371 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
2372
2373 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
2374 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
2375 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
2376 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
2377
2378 /*
2379 * Detect if this device has an hardware controlled radio.
2380 */
2381 if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
2382 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
2383
2384 /*
2385 * Store led settings, for correct led behaviour.
2386 */
2387 #ifdef CONFIG_RT2X00_LIB_LEDS
2388 rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
2389 rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
2390 rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
2391
2392 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ,
2393 &rt2x00dev->led_mcu_reg);
2394 #endif /* CONFIG_RT2X00_LIB_LEDS */
2395
2396 return 0;
2397 }
2398
2399 /*
2400 * RF value list for rt2870
2401 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
2402 */
2403 static const struct rf_channel rf_vals[] = {
2404 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
2405 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
2406 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
2407 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
2408 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
2409 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
2410 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
2411 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
2412 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
2413 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
2414 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
2415 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
2416 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
2417 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
2418
2419 /* 802.11 UNI / HyperLan 2 */
2420 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
2421 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
2422 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
2423 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
2424 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
2425 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
2426 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
2427 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
2428 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
2429 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
2430 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
2431 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
2432
2433 /* 802.11 HyperLan 2 */
2434 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
2435 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
2436 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
2437 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
2438 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
2439 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
2440 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
2441 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
2442 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
2443 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
2444 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
2445 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
2446 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
2447 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
2448 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
2449 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
2450
2451 /* 802.11 UNII */
2452 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
2453 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
2454 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
2455 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
2456 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
2457 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
2458 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
2459 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
2460 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
2461 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
2462 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
2463
2464 /* 802.11 Japan */
2465 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
2466 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
2467 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
2468 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
2469 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
2470 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
2471 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
2472 };
2473
2474 /*
2475 * RF value list for rt3070
2476 * Supports: 2.4 GHz
2477 */
2478 static const struct rf_channel rf_vals_3070[] = {
2479 {1, 241, 2, 2 },
2480 {2, 241, 2, 7 },
2481 {3, 242, 2, 2 },
2482 {4, 242, 2, 7 },
2483 {5, 243, 2, 2 },
2484 {6, 243, 2, 7 },
2485 {7, 244, 2, 2 },
2486 {8, 244, 2, 7 },
2487 {9, 245, 2, 2 },
2488 {10, 245, 2, 7 },
2489 {11, 246, 2, 2 },
2490 {12, 246, 2, 7 },
2491 {13, 247, 2, 2 },
2492 {14, 248, 2, 4 },
2493 };
2494
2495 static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2496 {
2497 struct hw_mode_spec *spec = &rt2x00dev->spec;
2498 struct channel_info *info;
2499 char *tx_power1;
2500 char *tx_power2;
2501 unsigned int i;
2502 u16 eeprom;
2503
2504 /*
2505 * Initialize all hw fields.
2506 */
2507 rt2x00dev->hw->flags =
2508 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
2509 IEEE80211_HW_SIGNAL_DBM |
2510 IEEE80211_HW_SUPPORTS_PS |
2511 IEEE80211_HW_PS_NULLFUNC_STACK;
2512 rt2x00dev->hw->extra_tx_headroom = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
2513
2514 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
2515 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2516 rt2x00_eeprom_addr(rt2x00dev,
2517 EEPROM_MAC_ADDR_0));
2518
2519 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
2520
2521 /*
2522 * Initialize HT information.
2523 */
2524 spec->ht.ht_supported = true;
2525 spec->ht.cap =
2526 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2527 IEEE80211_HT_CAP_GRN_FLD |
2528 IEEE80211_HT_CAP_SGI_20 |
2529 IEEE80211_HT_CAP_SGI_40 |
2530 IEEE80211_HT_CAP_TX_STBC |
2531 IEEE80211_HT_CAP_RX_STBC |
2532 IEEE80211_HT_CAP_PSMP_SUPPORT;
2533 spec->ht.ampdu_factor = 3;
2534 spec->ht.ampdu_density = 4;
2535 spec->ht.mcs.tx_params =
2536 IEEE80211_HT_MCS_TX_DEFINED |
2537 IEEE80211_HT_MCS_TX_RX_DIFF |
2538 ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) <<
2539 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
2540
2541 switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
2542 case 3:
2543 spec->ht.mcs.rx_mask[2] = 0xff;
2544 case 2:
2545 spec->ht.mcs.rx_mask[1] = 0xff;
2546 case 1:
2547 spec->ht.mcs.rx_mask[0] = 0xff;
2548 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
2549 break;
2550 }
2551
2552 /*
2553 * Initialize hw_mode information.
2554 */
2555 spec->supported_bands = SUPPORT_BAND_2GHZ;
2556 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
2557
2558 if (rt2x00_rf(&rt2x00dev->chip, RF2820) ||
2559 rt2x00_rf(&rt2x00dev->chip, RF2720)) {
2560 spec->num_channels = 14;
2561 spec->channels = rf_vals;
2562 } else if (rt2x00_rf(&rt2x00dev->chip, RF2850) ||
2563 rt2x00_rf(&rt2x00dev->chip, RF2750)) {
2564 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2565 spec->num_channels = ARRAY_SIZE(rf_vals);
2566 spec->channels = rf_vals;
2567 } else if (rt2x00_rf(&rt2x00dev->chip, RF3020) ||
2568 rt2x00_rf(&rt2x00dev->chip, RF2020)) {
2569 spec->num_channels = ARRAY_SIZE(rf_vals_3070);
2570 spec->channels = rf_vals_3070;
2571 }
2572
2573 /*
2574 * Create channel information array
2575 */
2576 info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
2577 if (!info)
2578 return -ENOMEM;
2579
2580 spec->channels_info = info;
2581
2582 tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
2583 tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
2584
2585 for (i = 0; i < 14; i++) {
2586 info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
2587 info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
2588 }
2589
2590 if (spec->num_channels > 14) {
2591 tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
2592 tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
2593
2594 for (i = 14; i < spec->num_channels; i++) {
2595 info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
2596 info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
2597 }
2598 }
2599
2600 return 0;
2601 }
2602
2603 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
2604 {
2605 int retval;
2606
2607 /*
2608 * Allocate eeprom data.
2609 */
2610 retval = rt2800usb_validate_eeprom(rt2x00dev);
2611 if (retval)
2612 return retval;
2613
2614 retval = rt2800usb_init_eeprom(rt2x00dev);
2615 if (retval)
2616 return retval;
2617
2618 /*
2619 * Initialize hw specifications.
2620 */
2621 retval = rt2800usb_probe_hw_mode(rt2x00dev);
2622 if (retval)
2623 return retval;
2624
2625 /*
2626 * This device has multiple filters for control frames
2627 * and has a separate filter for PS Poll frames.
2628 */
2629 __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
2630 __set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags);
2631
2632 /*
2633 * This device requires firmware.
2634 */
2635 __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
2636 __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
2637 if (!modparam_nohwcrypt)
2638 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
2639
2640 /*
2641 * Set the rssi offset.
2642 */
2643 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
2644
2645 return 0;
2646 }
2647
2648 /*
2649 * IEEE80211 stack callback functions.
2650 */
2651 static void rt2800usb_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
2652 u32 *iv32, u16 *iv16)
2653 {
2654 struct rt2x00_dev *rt2x00dev = hw->priv;
2655 struct mac_iveiv_entry iveiv_entry;
2656 u32 offset;
2657
2658 offset = MAC_IVEIV_ENTRY(hw_key_idx);
2659 rt2x00usb_register_multiread(rt2x00dev, offset,
2660 &iveiv_entry, sizeof(iveiv_entry));
2661
2662 memcpy(&iveiv_entry.iv[0], iv16, sizeof(iv16));
2663 memcpy(&iveiv_entry.iv[4], iv32, sizeof(iv32));
2664 }
2665
2666 static int rt2800usb_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2667 {
2668 struct rt2x00_dev *rt2x00dev = hw->priv;
2669 u32 reg;
2670 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
2671
2672 rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, &reg);
2673 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
2674 rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg);
2675
2676 rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
2677 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
2678 rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg);
2679
2680 rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
2681 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
2682 rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
2683
2684 rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
2685 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
2686 rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg);
2687
2688 rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
2689 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
2690 rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg);
2691
2692 rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
2693 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
2694 rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg);
2695
2696 rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
2697 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
2698 rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg);
2699
2700 return 0;
2701 }
2702
2703 static int rt2800usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
2704 const struct ieee80211_tx_queue_params *params)
2705 {
2706 struct rt2x00_dev *rt2x00dev = hw->priv;
2707 struct data_queue *queue;
2708 struct rt2x00_field32 field;
2709 int retval;
2710 u32 reg;
2711 u32 offset;
2712
2713 /*
2714 * First pass the configuration through rt2x00lib, that will
2715 * update the queue settings and validate the input. After that
2716 * we are free to update the registers based on the value
2717 * in the queue parameter.
2718 */
2719 retval = rt2x00mac_conf_tx(hw, queue_idx, params);
2720 if (retval)
2721 return retval;
2722
2723 /*
2724 * We only need to perform additional register initialization
2725 * for WMM queues/
2726 */
2727 if (queue_idx >= 4)
2728 return 0;
2729
2730 queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
2731
2732 /* Update WMM TXOP register */
2733 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
2734 field.bit_offset = (queue_idx & 1) * 16;
2735 field.bit_mask = 0xffff << field.bit_offset;
2736
2737 rt2x00usb_register_read(rt2x00dev, offset, &reg);
2738 rt2x00_set_field32(&reg, field, queue->txop);
2739 rt2x00usb_register_write(rt2x00dev, offset, reg);
2740
2741 /* Update WMM registers */
2742 field.bit_offset = queue_idx * 4;
2743 field.bit_mask = 0xf << field.bit_offset;
2744
2745 rt2x00usb_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
2746 rt2x00_set_field32(&reg, field, queue->aifs);
2747 rt2x00usb_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
2748
2749 rt2x00usb_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
2750 rt2x00_set_field32(&reg, field, queue->cw_min);
2751 rt2x00usb_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
2752
2753 rt2x00usb_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
2754 rt2x00_set_field32(&reg, field, queue->cw_max);
2755 rt2x00usb_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
2756
2757 /* Update EDCA registers */
2758 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
2759
2760 rt2x00usb_register_read(rt2x00dev, offset, &reg);
2761 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
2762 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
2763 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
2764 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
2765 rt2x00usb_register_write(rt2x00dev, offset, reg);
2766
2767 return 0;
2768 }
2769
2770 static u64 rt2800usb_get_tsf(struct ieee80211_hw *hw)
2771 {
2772 struct rt2x00_dev *rt2x00dev = hw->priv;
2773 u64 tsf;
2774 u32 reg;
2775
2776 rt2x00usb_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
2777 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
2778 rt2x00usb_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
2779 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
2780
2781 return tsf;
2782 }
2783
2784 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
2785 .tx = rt2x00mac_tx,
2786 .start = rt2x00mac_start,
2787 .stop = rt2x00mac_stop,
2788 .add_interface = rt2x00mac_add_interface,
2789 .remove_interface = rt2x00mac_remove_interface,
2790 .config = rt2x00mac_config,
2791 .configure_filter = rt2x00mac_configure_filter,
2792 .set_tim = rt2x00mac_set_tim,
2793 .set_key = rt2x00mac_set_key,
2794 .get_stats = rt2x00mac_get_stats,
2795 .get_tkip_seq = rt2800usb_get_tkip_seq,
2796 .set_rts_threshold = rt2800usb_set_rts_threshold,
2797 .bss_info_changed = rt2x00mac_bss_info_changed,
2798 .conf_tx = rt2800usb_conf_tx,
2799 .get_tx_stats = rt2x00mac_get_tx_stats,
2800 .get_tsf = rt2800usb_get_tsf,
2801 .rfkill_poll = rt2x00mac_rfkill_poll,
2802 };
2803
2804 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
2805 .probe_hw = rt2800usb_probe_hw,
2806 .get_firmware_name = rt2800usb_get_firmware_name,
2807 .check_firmware = rt2800usb_check_firmware,
2808 .load_firmware = rt2800usb_load_firmware,
2809 .initialize = rt2x00usb_initialize,
2810 .uninitialize = rt2x00usb_uninitialize,
2811 .clear_entry = rt2x00usb_clear_entry,
2812 .set_device_state = rt2800usb_set_device_state,
2813 .rfkill_poll = rt2800usb_rfkill_poll,
2814 .link_stats = rt2800usb_link_stats,
2815 .reset_tuner = rt2800usb_reset_tuner,
2816 .link_tuner = rt2800usb_link_tuner,
2817 .write_tx_desc = rt2800usb_write_tx_desc,
2818 .write_tx_data = rt2x00usb_write_tx_data,
2819 .write_beacon = rt2800usb_write_beacon,
2820 .get_tx_data_len = rt2800usb_get_tx_data_len,
2821 .kick_tx_queue = rt2800usb_kick_tx_queue,
2822 .kill_tx_queue = rt2x00usb_kill_tx_queue,
2823 .fill_rxdone = rt2800usb_fill_rxdone,
2824 .config_shared_key = rt2800usb_config_shared_key,
2825 .config_pairwise_key = rt2800usb_config_pairwise_key,
2826 .config_filter = rt2800usb_config_filter,
2827 .config_intf = rt2800usb_config_intf,
2828 .config_erp = rt2800usb_config_erp,
2829 .config_ant = rt2800usb_config_ant,
2830 .config = rt2800usb_config,
2831 };
2832
2833 static const struct data_queue_desc rt2800usb_queue_rx = {
2834 .entry_num = RX_ENTRIES,
2835 .data_size = AGGREGATION_SIZE,
2836 .desc_size = RXD_DESC_SIZE + RXWI_DESC_SIZE,
2837 .priv_size = sizeof(struct queue_entry_priv_usb),
2838 };
2839
2840 static const struct data_queue_desc rt2800usb_queue_tx = {
2841 .entry_num = TX_ENTRIES,
2842 .data_size = AGGREGATION_SIZE,
2843 .desc_size = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
2844 .priv_size = sizeof(struct queue_entry_priv_usb),
2845 };
2846
2847 static const struct data_queue_desc rt2800usb_queue_bcn = {
2848 .entry_num = 8 * BEACON_ENTRIES,
2849 .data_size = MGMT_FRAME_SIZE,
2850 .desc_size = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
2851 .priv_size = sizeof(struct queue_entry_priv_usb),
2852 };
2853
2854 static const struct rt2x00_ops rt2800usb_ops = {
2855 .name = KBUILD_MODNAME,
2856 .max_sta_intf = 1,
2857 .max_ap_intf = 8,
2858 .eeprom_size = EEPROM_SIZE,
2859 .rf_size = RF_SIZE,
2860 .tx_queues = NUM_TX_QUEUES,
2861 .rx = &rt2800usb_queue_rx,
2862 .tx = &rt2800usb_queue_tx,
2863 .bcn = &rt2800usb_queue_bcn,
2864 .lib = &rt2800usb_rt2x00_ops,
2865 .hw = &rt2800usb_mac80211_ops,
2866 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
2867 .debugfs = &rt2800usb_rt2x00debug,
2868 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2869 };
2870
2871 /*
2872 * rt2800usb module information.
2873 */
2874 static struct usb_device_id rt2800usb_device_table[] = {
2875 /* Abocom */
2876 { USB_DEVICE(0x07b8, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) },
2877 { USB_DEVICE(0x07b8, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) },
2878 { USB_DEVICE(0x07b8, 0x3070), USB_DEVICE_DATA(&rt2800usb_ops) },
2879 { USB_DEVICE(0x07b8, 0x3071), USB_DEVICE_DATA(&rt2800usb_ops) },
2880 { USB_DEVICE(0x07b8, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) },
2881 { USB_DEVICE(0x1482, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
2882 /* AirTies */
2883 { USB_DEVICE(0x1eda, 0x2310), USB_DEVICE_DATA(&rt2800usb_ops) },
2884 /* Amigo */
2885 { USB_DEVICE(0x0e0b, 0x9031), USB_DEVICE_DATA(&rt2800usb_ops) },
2886 { USB_DEVICE(0x0e0b, 0x9041), USB_DEVICE_DATA(&rt2800usb_ops) },
2887 /* Amit */
2888 { USB_DEVICE(0x15c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) },
2889 /* ASUS */
2890 { USB_DEVICE(0x0b05, 0x1731), USB_DEVICE_DATA(&rt2800usb_ops) },
2891 { USB_DEVICE(0x0b05, 0x1732), USB_DEVICE_DATA(&rt2800usb_ops) },
2892 { USB_DEVICE(0x0b05, 0x1742), USB_DEVICE_DATA(&rt2800usb_ops) },
2893 { USB_DEVICE(0x0b05, 0x1760), USB_DEVICE_DATA(&rt2800usb_ops) },
2894 { USB_DEVICE(0x0b05, 0x1761), USB_DEVICE_DATA(&rt2800usb_ops) },
2895 /* AzureWave */
2896 { USB_DEVICE(0x13d3, 0x3247), USB_DEVICE_DATA(&rt2800usb_ops) },
2897 { USB_DEVICE(0x13d3, 0x3262), USB_DEVICE_DATA(&rt2800usb_ops) },
2898 { USB_DEVICE(0x13d3, 0x3273), USB_DEVICE_DATA(&rt2800usb_ops) },
2899 { USB_DEVICE(0x13d3, 0x3284), USB_DEVICE_DATA(&rt2800usb_ops) },
2900 /* Belkin */
2901 { USB_DEVICE(0x050d, 0x8053), USB_DEVICE_DATA(&rt2800usb_ops) },
2902 { USB_DEVICE(0x050d, 0x805c), USB_DEVICE_DATA(&rt2800usb_ops) },
2903 { USB_DEVICE(0x050d, 0x815c), USB_DEVICE_DATA(&rt2800usb_ops) },
2904 { USB_DEVICE(0x050d, 0x825a), USB_DEVICE_DATA(&rt2800usb_ops) },
2905 /* Buffalo */
2906 { USB_DEVICE(0x0411, 0x00e8), USB_DEVICE_DATA(&rt2800usb_ops) },
2907 { USB_DEVICE(0x0411, 0x012e), USB_DEVICE_DATA(&rt2800usb_ops) },
2908 /* Conceptronic */
2909 { USB_DEVICE(0x14b2, 0x3c06), USB_DEVICE_DATA(&rt2800usb_ops) },
2910 { USB_DEVICE(0x14b2, 0x3c07), USB_DEVICE_DATA(&rt2800usb_ops) },
2911 { USB_DEVICE(0x14b2, 0x3c08), USB_DEVICE_DATA(&rt2800usb_ops) },
2912 { USB_DEVICE(0x14b2, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
2913 { USB_DEVICE(0x14b2, 0x3c11), USB_DEVICE_DATA(&rt2800usb_ops) },
2914 { USB_DEVICE(0x14b2, 0x3c12), USB_DEVICE_DATA(&rt2800usb_ops) },
2915 { USB_DEVICE(0x14b2, 0x3c23), USB_DEVICE_DATA(&rt2800usb_ops) },
2916 { USB_DEVICE(0x14b2, 0x3c25), USB_DEVICE_DATA(&rt2800usb_ops) },
2917 { USB_DEVICE(0x14b2, 0x3c27), USB_DEVICE_DATA(&rt2800usb_ops) },
2918 { USB_DEVICE(0x14b2, 0x3c28), USB_DEVICE_DATA(&rt2800usb_ops) },
2919 /* Corega */
2920 { USB_DEVICE(0x07aa, 0x002f), USB_DEVICE_DATA(&rt2800usb_ops) },
2921 { USB_DEVICE(0x07aa, 0x003c), USB_DEVICE_DATA(&rt2800usb_ops) },
2922 { USB_DEVICE(0x07aa, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) },
2923 { USB_DEVICE(0x18c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) },
2924 { USB_DEVICE(0x18c5, 0x0012), USB_DEVICE_DATA(&rt2800usb_ops) },
2925 /* D-Link */
2926 { USB_DEVICE(0x07d1, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
2927 { USB_DEVICE(0x07d1, 0x3c0a), USB_DEVICE_DATA(&rt2800usb_ops) },
2928 { USB_DEVICE(0x07d1, 0x3c0b), USB_DEVICE_DATA(&rt2800usb_ops) },
2929 { USB_DEVICE(0x07d1, 0x3c0d), USB_DEVICE_DATA(&rt2800usb_ops) },
2930 { USB_DEVICE(0x07d1, 0x3c0e), USB_DEVICE_DATA(&rt2800usb_ops) },
2931 { USB_DEVICE(0x07d1, 0x3c0f), USB_DEVICE_DATA(&rt2800usb_ops) },
2932 { USB_DEVICE(0x07d1, 0x3c11), USB_DEVICE_DATA(&rt2800usb_ops) },
2933 { USB_DEVICE(0x07d1, 0x3c13), USB_DEVICE_DATA(&rt2800usb_ops) },
2934 /* Edimax */
2935 { USB_DEVICE(0x7392, 0x7711), USB_DEVICE_DATA(&rt2800usb_ops) },
2936 { USB_DEVICE(0x7392, 0x7717), USB_DEVICE_DATA(&rt2800usb_ops) },
2937 { USB_DEVICE(0x7392, 0x7718), USB_DEVICE_DATA(&rt2800usb_ops) },
2938 /* Encore */
2939 { USB_DEVICE(0x203d, 0x1480), USB_DEVICE_DATA(&rt2800usb_ops) },
2940 /* EnGenius */
2941 { USB_DEVICE(0X1740, 0x9701), USB_DEVICE_DATA(&rt2800usb_ops) },
2942 { USB_DEVICE(0x1740, 0x9702), USB_DEVICE_DATA(&rt2800usb_ops) },
2943 { USB_DEVICE(0x1740, 0x9703), USB_DEVICE_DATA(&rt2800usb_ops) },
2944 { USB_DEVICE(0x1740, 0x9705), USB_DEVICE_DATA(&rt2800usb_ops) },
2945 { USB_DEVICE(0x1740, 0x9706), USB_DEVICE_DATA(&rt2800usb_ops) },
2946 { USB_DEVICE(0x1740, 0x9801), USB_DEVICE_DATA(&rt2800usb_ops) },
2947 /* Gemtek */
2948 { USB_DEVICE(0x15a9, 0x0010), USB_DEVICE_DATA(&rt2800usb_ops) },
2949 /* Gigabyte */
2950 { USB_DEVICE(0x1044, 0x800b), USB_DEVICE_DATA(&rt2800usb_ops) },
2951 { USB_DEVICE(0x1044, 0x800c), USB_DEVICE_DATA(&rt2800usb_ops) },
2952 { USB_DEVICE(0x1044, 0x800d), USB_DEVICE_DATA(&rt2800usb_ops) },
2953 /* Hawking */
2954 { USB_DEVICE(0x0e66, 0x0001), USB_DEVICE_DATA(&rt2800usb_ops) },
2955 { USB_DEVICE(0x0e66, 0x0003), USB_DEVICE_DATA(&rt2800usb_ops) },
2956 { USB_DEVICE(0x0e66, 0x0009), USB_DEVICE_DATA(&rt2800usb_ops) },
2957 { USB_DEVICE(0x0e66, 0x000b), USB_DEVICE_DATA(&rt2800usb_ops) },
2958 /* I-O DATA */
2959 { USB_DEVICE(0x04bb, 0x0945), USB_DEVICE_DATA(&rt2800usb_ops) },
2960 /* LevelOne */
2961 { USB_DEVICE(0x1740, 0x0605), USB_DEVICE_DATA(&rt2800usb_ops) },
2962 { USB_DEVICE(0x1740, 0x0615), USB_DEVICE_DATA(&rt2800usb_ops) },
2963 /* Linksys */
2964 { USB_DEVICE(0x1737, 0x0070), USB_DEVICE_DATA(&rt2800usb_ops) },
2965 { USB_DEVICE(0x1737, 0x0071), USB_DEVICE_DATA(&rt2800usb_ops) },
2966 { USB_DEVICE(0x1737, 0x0077), USB_DEVICE_DATA(&rt2800usb_ops) },
2967 /* Logitec */
2968 { USB_DEVICE(0x0789, 0x0162), USB_DEVICE_DATA(&rt2800usb_ops) },
2969 { USB_DEVICE(0x0789, 0x0163), USB_DEVICE_DATA(&rt2800usb_ops) },
2970 { USB_DEVICE(0x0789, 0x0164), USB_DEVICE_DATA(&rt2800usb_ops) },
2971 /* Motorola */
2972 { USB_DEVICE(0x100d, 0x9031), USB_DEVICE_DATA(&rt2800usb_ops) },
2973 { USB_DEVICE(0x100d, 0x9032), USB_DEVICE_DATA(&rt2800usb_ops) },
2974 /* Ovislink */
2975 { USB_DEVICE(0x1b75, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) },
2976 /* Pegatron */
2977 { USB_DEVICE(0x1d4d, 0x0002), USB_DEVICE_DATA(&rt2800usb_ops) },
2978 { USB_DEVICE(0x1d4d, 0x000c), USB_DEVICE_DATA(&rt2800usb_ops) },
2979 { USB_DEVICE(0x1d4d, 0x000e), USB_DEVICE_DATA(&rt2800usb_ops) },
2980 /* Philips */
2981 { USB_DEVICE(0x0471, 0x200f), USB_DEVICE_DATA(&rt2800usb_ops) },
2982 /* Planex */
2983 { USB_DEVICE(0x2019, 0xed06), USB_DEVICE_DATA(&rt2800usb_ops) },
2984 { USB_DEVICE(0x2019, 0xab24), USB_DEVICE_DATA(&rt2800usb_ops) },
2985 { USB_DEVICE(0x2019, 0xab25), USB_DEVICE_DATA(&rt2800usb_ops) },
2986 /* Qcom */
2987 { USB_DEVICE(0x18e8, 0x6259), USB_DEVICE_DATA(&rt2800usb_ops) },
2988 /* Quanta */
2989 { USB_DEVICE(0x1a32, 0x0304), USB_DEVICE_DATA(&rt2800usb_ops) },
2990 /* Ralink */
2991 { USB_DEVICE(0x0db0, 0x3820), USB_DEVICE_DATA(&rt2800usb_ops) },
2992 { USB_DEVICE(0x0db0, 0x6899), USB_DEVICE_DATA(&rt2800usb_ops) },
2993 { USB_DEVICE(0x148f, 0x2070), USB_DEVICE_DATA(&rt2800usb_ops) },
2994 { USB_DEVICE(0x148f, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) },
2995 { USB_DEVICE(0x148f, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) },
2996 { USB_DEVICE(0x148f, 0x3070), USB_DEVICE_DATA(&rt2800usb_ops) },
2997 { USB_DEVICE(0x148f, 0x3071), USB_DEVICE_DATA(&rt2800usb_ops) },
2998 { USB_DEVICE(0x148f, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) },
2999 { USB_DEVICE(0x148f, 0x3572), USB_DEVICE_DATA(&rt2800usb_ops) },
3000 /* Samsung */
3001 { USB_DEVICE(0x04e8, 0x2018), USB_DEVICE_DATA(&rt2800usb_ops) },
3002 /* Siemens */
3003 { USB_DEVICE(0x129b, 0x1828), USB_DEVICE_DATA(&rt2800usb_ops) },
3004 /* Sitecom */
3005 { USB_DEVICE(0x0df6, 0x0017), USB_DEVICE_DATA(&rt2800usb_ops) },
3006 { USB_DEVICE(0x0df6, 0x002b), USB_DEVICE_DATA(&rt2800usb_ops) },
3007 { USB_DEVICE(0x0df6, 0x002c), USB_DEVICE_DATA(&rt2800usb_ops) },
3008 { USB_DEVICE(0x0df6, 0x002d), USB_DEVICE_DATA(&rt2800usb_ops) },
3009 { USB_DEVICE(0x0df6, 0x0039), USB_DEVICE_DATA(&rt2800usb_ops) },
3010 { USB_DEVICE(0x0df6, 0x003b), USB_DEVICE_DATA(&rt2800usb_ops) },
3011 { USB_DEVICE(0x0df6, 0x003c), USB_DEVICE_DATA(&rt2800usb_ops) },
3012 { USB_DEVICE(0x0df6, 0x003d), USB_DEVICE_DATA(&rt2800usb_ops) },
3013 { USB_DEVICE(0x0df6, 0x003e), USB_DEVICE_DATA(&rt2800usb_ops) },
3014 { USB_DEVICE(0x0df6, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) },
3015 { USB_DEVICE(0x0df6, 0x0040), USB_DEVICE_DATA(&rt2800usb_ops) },
3016 { USB_DEVICE(0x0df6, 0x0042), USB_DEVICE_DATA(&rt2800usb_ops) },
3017 /* SMC */
3018 { USB_DEVICE(0x083a, 0x6618), USB_DEVICE_DATA(&rt2800usb_ops) },
3019 { USB_DEVICE(0x083a, 0x7511), USB_DEVICE_DATA(&rt2800usb_ops) },
3020 { USB_DEVICE(0x083a, 0x7512), USB_DEVICE_DATA(&rt2800usb_ops) },
3021 { USB_DEVICE(0x083a, 0x7522), USB_DEVICE_DATA(&rt2800usb_ops) },
3022 { USB_DEVICE(0x083a, 0x8522), USB_DEVICE_DATA(&rt2800usb_ops) },
3023 { USB_DEVICE(0x083a, 0xa512), USB_DEVICE_DATA(&rt2800usb_ops) },
3024 { USB_DEVICE(0x083a, 0xa618), USB_DEVICE_DATA(&rt2800usb_ops) },
3025 { USB_DEVICE(0x083a, 0xb522), USB_DEVICE_DATA(&rt2800usb_ops) },
3026 { USB_DEVICE(0x083a, 0xc522), USB_DEVICE_DATA(&rt2800usb_ops) },
3027 /* Sparklan */
3028 { USB_DEVICE(0x15a9, 0x0006), USB_DEVICE_DATA(&rt2800usb_ops) },
3029 /* Sweex */
3030 { USB_DEVICE(0x177f, 0x0153), USB_DEVICE_DATA(&rt2800usb_ops) },
3031 { USB_DEVICE(0x177f, 0x0302), USB_DEVICE_DATA(&rt2800usb_ops) },
3032 { USB_DEVICE(0x177f, 0x0313), USB_DEVICE_DATA(&rt2800usb_ops) },
3033 /* U-Media*/
3034 { USB_DEVICE(0x157e, 0x300e), USB_DEVICE_DATA(&rt2800usb_ops) },
3035 /* ZCOM */
3036 { USB_DEVICE(0x0cde, 0x0022), USB_DEVICE_DATA(&rt2800usb_ops) },
3037 { USB_DEVICE(0x0cde, 0x0025), USB_DEVICE_DATA(&rt2800usb_ops) },
3038 /* Zinwell */
3039 { USB_DEVICE(0x5a57, 0x0280), USB_DEVICE_DATA(&rt2800usb_ops) },
3040 { USB_DEVICE(0x5a57, 0x0282), USB_DEVICE_DATA(&rt2800usb_ops) },
3041 { USB_DEVICE(0x5a57, 0x0283), USB_DEVICE_DATA(&rt2800usb_ops) },
3042 { USB_DEVICE(0x5a57, 0x5257), USB_DEVICE_DATA(&rt2800usb_ops) },
3043 /* Zyxel */
3044 { USB_DEVICE(0x0586, 0x3416), USB_DEVICE_DATA(&rt2800usb_ops) },
3045 { USB_DEVICE(0x0586, 0x341a), USB_DEVICE_DATA(&rt2800usb_ops) },
3046 { 0, }
3047 };
3048
3049 MODULE_AUTHOR(DRV_PROJECT);
3050 MODULE_VERSION(DRV_VERSION);
3051 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
3052 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
3053 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
3054 MODULE_FIRMWARE(FIRMWARE_RT2870);
3055 MODULE_LICENSE("GPL");
3056
3057 static struct usb_driver rt2800usb_driver = {
3058 .name = KBUILD_MODNAME,
3059 .id_table = rt2800usb_device_table,
3060 .probe = rt2x00usb_probe,
3061 .disconnect = rt2x00usb_disconnect,
3062 .suspend = rt2x00usb_suspend,
3063 .resume = rt2x00usb_resume,
3064 };
3065
3066 static int __init rt2800usb_init(void)
3067 {
3068 return usb_register(&rt2800usb_driver);
3069 }
3070
3071 static void __exit rt2800usb_exit(void)
3072 {
3073 usb_deregister(&rt2800usb_driver);
3074 }
3075
3076 module_init(rt2800usb_init);
3077 module_exit(rt2800usb_exit);
Linux for Ginger Game Console