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Staging: strip: delete the driver
[linux/fpc-iii.git] / drivers / net / wireless / rt2x00 / rt2800lib.c
blobc015ce9fdd09925da8e46dff2495c9d69e24d7a8
1 /*
2 Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
3 Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com>
4
5 Based on the original rt2800pci.c and rt2800usb.c.
6 Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
7 Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
8 Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
9 Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
10 Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
11 Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
12 Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
13 <http://rt2x00.serialmonkey.com>
14
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 2 of the License, or
18 (at your option) any later version.
19
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
24
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the
27 Free Software Foundation, Inc.,
28 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 */
30
31 /*
32 Module: rt2800lib
33 Abstract: rt2800 generic device routines.
34 */
35
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/slab.h>
39
40 #include "rt2x00.h"
41 #if defined(CONFIG_RT2X00_LIB_USB) || defined(CONFIG_RT2X00_LIB_USB_MODULE)
42 #include "rt2x00usb.h"
43 #endif
44 #if defined(CONFIG_RT2X00_LIB_PCI) || defined(CONFIG_RT2X00_LIB_PCI_MODULE)
45 #include "rt2x00pci.h"
46 #endif
47 #include "rt2800lib.h"
48 #include "rt2800.h"
49 #include "rt2800usb.h"
50
51 MODULE_AUTHOR("Bartlomiej Zolnierkiewicz");
52 MODULE_DESCRIPTION("rt2800 library");
53 MODULE_LICENSE("GPL");
54
55 /*
56 * Register access.
57 * All access to the CSR registers will go through the methods
58 * rt2800_register_read and rt2800_register_write.
59 * BBP and RF register require indirect register access,
60 * and use the CSR registers BBPCSR and RFCSR to achieve this.
61 * These indirect registers work with busy bits,
62 * and we will try maximal REGISTER_BUSY_COUNT times to access
63 * the register while taking a REGISTER_BUSY_DELAY us delay
64 * between each attampt. When the busy bit is still set at that time,
65 * the access attempt is considered to have failed,
66 * and we will print an error.
67 * The _lock versions must be used if you already hold the csr_mutex
68 */
69 #define WAIT_FOR_BBP(__dev, __reg) \
70 rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
71 #define WAIT_FOR_RFCSR(__dev, __reg) \
72 rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
73 #define WAIT_FOR_RF(__dev, __reg) \
74 rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
75 #define WAIT_FOR_MCU(__dev, __reg) \
76 rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
77 H2M_MAILBOX_CSR_OWNER, (__reg))
78
79 static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
80 const unsigned int word, const u8 value)
81 {
82 u32 reg;
83
84 mutex_lock(&rt2x00dev->csr_mutex);
85
86 /*
87 * Wait until the BBP becomes available, afterwards we
88 * can safely write the new data into the register.
89 */
90 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
91 reg = 0;
92 rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
93 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
94 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
95 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
96 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
97 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
98
99 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
100 }
101
102 mutex_unlock(&rt2x00dev->csr_mutex);
103 }
104
105 static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
106 const unsigned int word, u8 *value)
107 {
108 u32 reg;
109
110 mutex_lock(&rt2x00dev->csr_mutex);
111
112 /*
113 * Wait until the BBP becomes available, afterwards we
114 * can safely write the read request into the register.
115 * After the data has been written, we wait until hardware
116 * returns the correct value, if at any time the register
117 * doesn't become available in time, reg will be 0xffffffff
118 * which means we return 0xff to the caller.
119 */
120 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
121 reg = 0;
122 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
123 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
124 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
125 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
126 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
127
128 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
129
130 WAIT_FOR_BBP(rt2x00dev, &reg);
131 }
132
133 *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
134
135 mutex_unlock(&rt2x00dev->csr_mutex);
136 }
137
138 static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
139 const unsigned int word, const u8 value)
140 {
141 u32 reg;
142
143 mutex_lock(&rt2x00dev->csr_mutex);
144
145 /*
146 * Wait until the RFCSR becomes available, afterwards we
147 * can safely write the new data into the register.
148 */
149 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
150 reg = 0;
151 rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
152 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
153 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
154 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
155
156 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
157 }
158
159 mutex_unlock(&rt2x00dev->csr_mutex);
160 }
161
162 static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
163 const unsigned int word, u8 *value)
164 {
165 u32 reg;
166
167 mutex_lock(&rt2x00dev->csr_mutex);
168
169 /*
170 * Wait until the RFCSR becomes available, afterwards we
171 * can safely write the read request into the register.
172 * After the data has been written, we wait until hardware
173 * returns the correct value, if at any time the register
174 * doesn't become available in time, reg will be 0xffffffff
175 * which means we return 0xff to the caller.
176 */
177 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
178 reg = 0;
179 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
180 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
181 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
182
183 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
184
185 WAIT_FOR_RFCSR(rt2x00dev, &reg);
186 }
187
188 *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
189
190 mutex_unlock(&rt2x00dev->csr_mutex);
191 }
192
193 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
194 const unsigned int word, const u32 value)
195 {
196 u32 reg;
197
198 mutex_lock(&rt2x00dev->csr_mutex);
199
200 /*
201 * Wait until the RF becomes available, afterwards we
202 * can safely write the new data into the register.
203 */
204 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
205 reg = 0;
206 rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
207 rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
208 rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
209 rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
210
211 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
212 rt2x00_rf_write(rt2x00dev, word, value);
213 }
214
215 mutex_unlock(&rt2x00dev->csr_mutex);
216 }
217
218 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
219 const u8 command, const u8 token,
220 const u8 arg0, const u8 arg1)
221 {
222 u32 reg;
223
224 /*
225 * SOC devices don't support MCU requests.
226 */
227 if (rt2x00_is_soc(rt2x00dev))
228 return;
229
230 mutex_lock(&rt2x00dev->csr_mutex);
231
232 /*
233 * Wait until the MCU becomes available, afterwards we
234 * can safely write the new data into the register.
235 */
236 if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
237 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
238 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
239 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
240 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
241 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
242
243 reg = 0;
244 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
245 rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
246 }
247
248 mutex_unlock(&rt2x00dev->csr_mutex);
249 }
250 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
251
252 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
253 {
254 unsigned int i;
255 u32 reg;
256
257 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
258 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
259 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
260 !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
261 return 0;
262
263 msleep(1);
264 }
265
266 ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
267 return -EACCES;
268 }
269 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
270
271 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
272 const struct rt2x00debug rt2800_rt2x00debug = {
273 .owner = THIS_MODULE,
274 .csr = {
275 .read = rt2800_register_read,
276 .write = rt2800_register_write,
277 .flags = RT2X00DEBUGFS_OFFSET,
278 .word_base = CSR_REG_BASE,
279 .word_size = sizeof(u32),
280 .word_count = CSR_REG_SIZE / sizeof(u32),
281 },
282 .eeprom = {
283 .read = rt2x00_eeprom_read,
284 .write = rt2x00_eeprom_write,
285 .word_base = EEPROM_BASE,
286 .word_size = sizeof(u16),
287 .word_count = EEPROM_SIZE / sizeof(u16),
288 },
289 .bbp = {
290 .read = rt2800_bbp_read,
291 .write = rt2800_bbp_write,
292 .word_base = BBP_BASE,
293 .word_size = sizeof(u8),
294 .word_count = BBP_SIZE / sizeof(u8),
295 },
296 .rf = {
297 .read = rt2x00_rf_read,
298 .write = rt2800_rf_write,
299 .word_base = RF_BASE,
300 .word_size = sizeof(u32),
301 .word_count = RF_SIZE / sizeof(u32),
302 },
303 };
304 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
305 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
306
307 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
308 {
309 u32 reg;
310
311 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
312 return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
313 }
314 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
315
316 #ifdef CONFIG_RT2X00_LIB_LEDS
317 static void rt2800_brightness_set(struct led_classdev *led_cdev,
318 enum led_brightness brightness)
319 {
320 struct rt2x00_led *led =
321 container_of(led_cdev, struct rt2x00_led, led_dev);
322 unsigned int enabled = brightness != LED_OFF;
323 unsigned int bg_mode =
324 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
325 unsigned int polarity =
326 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
327 EEPROM_FREQ_LED_POLARITY);
328 unsigned int ledmode =
329 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
330 EEPROM_FREQ_LED_MODE);
331
332 if (led->type == LED_TYPE_RADIO) {
333 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
334 enabled ? 0x20 : 0);
335 } else if (led->type == LED_TYPE_ASSOC) {
336 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
337 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
338 } else if (led->type == LED_TYPE_QUALITY) {
339 /*
340 * The brightness is divided into 6 levels (0 - 5),
341 * The specs tell us the following levels:
342 * 0, 1 ,3, 7, 15, 31
343 * to determine the level in a simple way we can simply
344 * work with bitshifting:
345 * (1 << level) - 1
346 */
347 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
348 (1 << brightness / (LED_FULL / 6)) - 1,
349 polarity);
350 }
351 }
352
353 static int rt2800_blink_set(struct led_classdev *led_cdev,
354 unsigned long *delay_on, unsigned long *delay_off)
355 {
356 struct rt2x00_led *led =
357 container_of(led_cdev, struct rt2x00_led, led_dev);
358 u32 reg;
359
360 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
361 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
362 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
363 rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
364 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
365 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
366 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
367 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
368 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
369
370 return 0;
371 }
372
373 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
374 struct rt2x00_led *led, enum led_type type)
375 {
376 led->rt2x00dev = rt2x00dev;
377 led->type = type;
378 led->led_dev.brightness_set = rt2800_brightness_set;
379 led->led_dev.blink_set = rt2800_blink_set;
380 led->flags = LED_INITIALIZED;
381 }
382 #endif /* CONFIG_RT2X00_LIB_LEDS */
383
384 /*
385 * Configuration handlers.
386 */
387 static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
388 struct rt2x00lib_crypto *crypto,
389 struct ieee80211_key_conf *key)
390 {
391 struct mac_wcid_entry wcid_entry;
392 struct mac_iveiv_entry iveiv_entry;
393 u32 offset;
394 u32 reg;
395
396 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
397
398 rt2800_register_read(rt2x00dev, offset, &reg);
399 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
400 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
401 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
402 (crypto->cmd == SET_KEY) * crypto->cipher);
403 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
404 (crypto->cmd == SET_KEY) * crypto->bssidx);
405 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
406 rt2800_register_write(rt2x00dev, offset, reg);
407
408 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
409
410 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
411 if ((crypto->cipher == CIPHER_TKIP) ||
412 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
413 (crypto->cipher == CIPHER_AES))
414 iveiv_entry.iv[3] |= 0x20;
415 iveiv_entry.iv[3] |= key->keyidx << 6;
416 rt2800_register_multiwrite(rt2x00dev, offset,
417 &iveiv_entry, sizeof(iveiv_entry));
418
419 offset = MAC_WCID_ENTRY(key->hw_key_idx);
420
421 memset(&wcid_entry, 0, sizeof(wcid_entry));
422 if (crypto->cmd == SET_KEY)
423 memcpy(&wcid_entry, crypto->address, ETH_ALEN);
424 rt2800_register_multiwrite(rt2x00dev, offset,
425 &wcid_entry, sizeof(wcid_entry));
426 }
427
428 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
429 struct rt2x00lib_crypto *crypto,
430 struct ieee80211_key_conf *key)
431 {
432 struct hw_key_entry key_entry;
433 struct rt2x00_field32 field;
434 u32 offset;
435 u32 reg;
436
437 if (crypto->cmd == SET_KEY) {
438 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
439
440 memcpy(key_entry.key, crypto->key,
441 sizeof(key_entry.key));
442 memcpy(key_entry.tx_mic, crypto->tx_mic,
443 sizeof(key_entry.tx_mic));
444 memcpy(key_entry.rx_mic, crypto->rx_mic,
445 sizeof(key_entry.rx_mic));
446
447 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
448 rt2800_register_multiwrite(rt2x00dev, offset,
449 &key_entry, sizeof(key_entry));
450 }
451
452 /*
453 * The cipher types are stored over multiple registers
454 * starting with SHARED_KEY_MODE_BASE each word will have
455 * 32 bits and contains the cipher types for 2 bssidx each.
456 * Using the correct defines correctly will cause overhead,
457 * so just calculate the correct offset.
458 */
459 field.bit_offset = 4 * (key->hw_key_idx % 8);
460 field.bit_mask = 0x7 << field.bit_offset;
461
462 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
463
464 rt2800_register_read(rt2x00dev, offset, &reg);
465 rt2x00_set_field32(&reg, field,
466 (crypto->cmd == SET_KEY) * crypto->cipher);
467 rt2800_register_write(rt2x00dev, offset, reg);
468
469 /*
470 * Update WCID information
471 */
472 rt2800_config_wcid_attr(rt2x00dev, crypto, key);
473
474 return 0;
475 }
476 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
477
478 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
479 struct rt2x00lib_crypto *crypto,
480 struct ieee80211_key_conf *key)
481 {
482 struct hw_key_entry key_entry;
483 u32 offset;
484
485 if (crypto->cmd == SET_KEY) {
486 /*
487 * 1 pairwise key is possible per AID, this means that the AID
488 * equals our hw_key_idx. Make sure the WCID starts _after_ the
489 * last possible shared key entry.
490 */
491 if (crypto->aid > (256 - 32))
492 return -ENOSPC;
493
494 key->hw_key_idx = 32 + crypto->aid;
495
496 memcpy(key_entry.key, crypto->key,
497 sizeof(key_entry.key));
498 memcpy(key_entry.tx_mic, crypto->tx_mic,
499 sizeof(key_entry.tx_mic));
500 memcpy(key_entry.rx_mic, crypto->rx_mic,
501 sizeof(key_entry.rx_mic));
502
503 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
504 rt2800_register_multiwrite(rt2x00dev, offset,
505 &key_entry, sizeof(key_entry));
506 }
507
508 /*
509 * Update WCID information
510 */
511 rt2800_config_wcid_attr(rt2x00dev, crypto, key);
512
513 return 0;
514 }
515 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
516
517 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
518 const unsigned int filter_flags)
519 {
520 u32 reg;
521
522 /*
523 * Start configuration steps.
524 * Note that the version error will always be dropped
525 * and broadcast frames will always be accepted since
526 * there is no filter for it at this time.
527 */
528 rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
529 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
530 !(filter_flags & FIF_FCSFAIL));
531 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
532 !(filter_flags & FIF_PLCPFAIL));
533 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
534 !(filter_flags & FIF_PROMISC_IN_BSS));
535 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
536 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
537 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
538 !(filter_flags & FIF_ALLMULTI));
539 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
540 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
541 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
542 !(filter_flags & FIF_CONTROL));
543 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
544 !(filter_flags & FIF_CONTROL));
545 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
546 !(filter_flags & FIF_CONTROL));
547 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
548 !(filter_flags & FIF_CONTROL));
549 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
550 !(filter_flags & FIF_CONTROL));
551 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
552 !(filter_flags & FIF_PSPOLL));
553 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
554 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
555 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
556 !(filter_flags & FIF_CONTROL));
557 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
558 }
559 EXPORT_SYMBOL_GPL(rt2800_config_filter);
560
561 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
562 struct rt2x00intf_conf *conf, const unsigned int flags)
563 {
564 unsigned int beacon_base;
565 u32 reg;
566
567 if (flags & CONFIG_UPDATE_TYPE) {
568 /*
569 * Clear current synchronisation setup.
570 * For the Beacon base registers we only need to clear
571 * the first byte since that byte contains the VALID and OWNER
572 * bits which (when set to 0) will invalidate the entire beacon.
573 */
574 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
575 rt2800_register_write(rt2x00dev, beacon_base, 0);
576
577 /*
578 * Enable synchronisation.
579 */
580 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
581 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
582 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
583 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE,
584 (conf->sync == TSF_SYNC_BEACON));
585 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
586 }
587
588 if (flags & CONFIG_UPDATE_MAC) {
589 reg = le32_to_cpu(conf->mac[1]);
590 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
591 conf->mac[1] = cpu_to_le32(reg);
592
593 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
594 conf->mac, sizeof(conf->mac));
595 }
596
597 if (flags & CONFIG_UPDATE_BSSID) {
598 reg = le32_to_cpu(conf->bssid[1]);
599 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 0);
600 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
601 conf->bssid[1] = cpu_to_le32(reg);
602
603 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
604 conf->bssid, sizeof(conf->bssid));
605 }
606 }
607 EXPORT_SYMBOL_GPL(rt2800_config_intf);
608
609 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp)
610 {
611 u32 reg;
612
613 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
614 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 0x20);
615 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
616
617 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
618 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
619 !!erp->short_preamble);
620 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
621 !!erp->short_preamble);
622 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
623
624 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
625 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
626 erp->cts_protection ? 2 : 0);
627 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
628
629 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
630 erp->basic_rates);
631 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
632
633 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
634 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
635 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
636 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
637
638 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
639 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
640 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
641 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
642 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
643 rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
644 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
645
646 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
647 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
648 erp->beacon_int * 16);
649 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
650 }
651 EXPORT_SYMBOL_GPL(rt2800_config_erp);
652
653 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
654 {
655 u8 r1;
656 u8 r3;
657
658 rt2800_bbp_read(rt2x00dev, 1, &r1);
659 rt2800_bbp_read(rt2x00dev, 3, &r3);
660
661 /*
662 * Configure the TX antenna.
663 */
664 switch ((int)ant->tx) {
665 case 1:
666 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
667 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
668 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
669 break;
670 case 2:
671 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
672 break;
673 case 3:
674 /* Do nothing */
675 break;
676 }
677
678 /*
679 * Configure the RX antenna.
680 */
681 switch ((int)ant->rx) {
682 case 1:
683 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
684 break;
685 case 2:
686 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
687 break;
688 case 3:
689 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
690 break;
691 }
692
693 rt2800_bbp_write(rt2x00dev, 3, r3);
694 rt2800_bbp_write(rt2x00dev, 1, r1);
695 }
696 EXPORT_SYMBOL_GPL(rt2800_config_ant);
697
698 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
699 struct rt2x00lib_conf *libconf)
700 {
701 u16 eeprom;
702 short lna_gain;
703
704 if (libconf->rf.channel <= 14) {
705 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
706 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
707 } else if (libconf->rf.channel <= 64) {
708 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
709 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
710 } else if (libconf->rf.channel <= 128) {
711 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
712 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
713 } else {
714 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
715 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
716 }
717
718 rt2x00dev->lna_gain = lna_gain;
719 }
720
721 static void rt2800_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
722 struct ieee80211_conf *conf,
723 struct rf_channel *rf,
724 struct channel_info *info)
725 {
726 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
727
728 if (rt2x00dev->default_ant.tx == 1)
729 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
730
731 if (rt2x00dev->default_ant.rx == 1) {
732 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
733 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
734 } else if (rt2x00dev->default_ant.rx == 2)
735 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
736
737 if (rf->channel > 14) {
738 /*
739 * When TX power is below 0, we should increase it by 7 to
740 * make it a positive value (Minumum value is -7).
741 * However this means that values between 0 and 7 have
742 * double meaning, and we should set a 7DBm boost flag.
743 */
744 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
745 (info->tx_power1 >= 0));
746
747 if (info->tx_power1 < 0)
748 info->tx_power1 += 7;
749
750 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
751 TXPOWER_A_TO_DEV(info->tx_power1));
752
753 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
754 (info->tx_power2 >= 0));
755
756 if (info->tx_power2 < 0)
757 info->tx_power2 += 7;
758
759 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
760 TXPOWER_A_TO_DEV(info->tx_power2));
761 } else {
762 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
763 TXPOWER_G_TO_DEV(info->tx_power1));
764 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
765 TXPOWER_G_TO_DEV(info->tx_power2));
766 }
767
768 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
769
770 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
771 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
772 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
773 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
774
775 udelay(200);
776
777 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
778 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
779 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
780 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
781
782 udelay(200);
783
784 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
785 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
786 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
787 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
788 }
789
790 static void rt2800_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
791 struct ieee80211_conf *conf,
792 struct rf_channel *rf,
793 struct channel_info *info)
794 {
795 u8 rfcsr;
796
797 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
798 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
799
800 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
801 rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
802 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
803
804 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
805 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
806 TXPOWER_G_TO_DEV(info->tx_power1));
807 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
808
809 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
810 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
811 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
812
813 rt2800_rfcsr_write(rt2x00dev, 24,
814 rt2x00dev->calibration[conf_is_ht40(conf)]);
815
816 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
817 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
818 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
819 }
820
821 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
822 struct ieee80211_conf *conf,
823 struct rf_channel *rf,
824 struct channel_info *info)
825 {
826 u32 reg;
827 unsigned int tx_pin;
828 u8 bbp;
829
830 if ((rt2x00_rt(rt2x00dev, RT3070) ||
831 rt2x00_rt(rt2x00dev, RT3090)) &&
832 (rt2x00_rf(rt2x00dev, RF2020) ||
833 rt2x00_rf(rt2x00dev, RF3020) ||
834 rt2x00_rf(rt2x00dev, RF3021) ||
835 rt2x00_rf(rt2x00dev, RF3022)))
836 rt2800_config_channel_rt3x(rt2x00dev, conf, rf, info);
837 else
838 rt2800_config_channel_rt2x(rt2x00dev, conf, rf, info);
839
840 /*
841 * Change BBP settings
842 */
843 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
844 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
845 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
846 rt2800_bbp_write(rt2x00dev, 86, 0);
847
848 if (rf->channel <= 14) {
849 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
850 rt2800_bbp_write(rt2x00dev, 82, 0x62);
851 rt2800_bbp_write(rt2x00dev, 75, 0x46);
852 } else {
853 rt2800_bbp_write(rt2x00dev, 82, 0x84);
854 rt2800_bbp_write(rt2x00dev, 75, 0x50);
855 }
856 } else {
857 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
858
859 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
860 rt2800_bbp_write(rt2x00dev, 75, 0x46);
861 else
862 rt2800_bbp_write(rt2x00dev, 75, 0x50);
863 }
864
865 rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
866 rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
867 rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
868 rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
869 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
870
871 tx_pin = 0;
872
873 /* Turn on unused PA or LNA when not using 1T or 1R */
874 if (rt2x00dev->default_ant.tx != 1) {
875 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
876 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
877 }
878
879 /* Turn on unused PA or LNA when not using 1T or 1R */
880 if (rt2x00dev->default_ant.rx != 1) {
881 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
882 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
883 }
884
885 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
886 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
887 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
888 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
889 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
890 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
891
892 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
893
894 rt2800_bbp_read(rt2x00dev, 4, &bbp);
895 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
896 rt2800_bbp_write(rt2x00dev, 4, bbp);
897
898 rt2800_bbp_read(rt2x00dev, 3, &bbp);
899 rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
900 rt2800_bbp_write(rt2x00dev, 3, bbp);
901
902 if (rt2x00_rt(rt2x00dev, RT2860) &&
903 (rt2x00_rev(rt2x00dev) == RT2860C_VERSION)) {
904 if (conf_is_ht40(conf)) {
905 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
906 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
907 rt2800_bbp_write(rt2x00dev, 73, 0x16);
908 } else {
909 rt2800_bbp_write(rt2x00dev, 69, 0x16);
910 rt2800_bbp_write(rt2x00dev, 70, 0x08);
911 rt2800_bbp_write(rt2x00dev, 73, 0x11);
912 }
913 }
914
915 msleep(1);
916 }
917
918 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
919 const int txpower)
920 {
921 u32 reg;
922 u32 value = TXPOWER_G_TO_DEV(txpower);
923 u8 r1;
924
925 rt2800_bbp_read(rt2x00dev, 1, &r1);
926 rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
927 rt2800_bbp_write(rt2x00dev, 1, r1);
928
929 rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
930 rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
931 rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
932 rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
933 rt2x00_set_field32(&reg, TX_PWR_CFG_0_11MBS, value);
934 rt2x00_set_field32(&reg, TX_PWR_CFG_0_6MBS, value);
935 rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
936 rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
937 rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
938 rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
939
940 rt2800_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
941 rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
942 rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
943 rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
944 rt2x00_set_field32(&reg, TX_PWR_CFG_1_54MBS, value);
945 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS0, value);
946 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
947 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
948 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
949 rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
950
951 rt2800_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
952 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
953 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
954 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
955 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS7, value);
956 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS8, value);
957 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
958 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
959 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
960 rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
961
962 rt2800_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
963 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
964 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
965 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
966 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS15, value);
967 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN1, value);
968 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
969 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
970 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
971 rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
972
973 rt2800_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
974 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
975 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
976 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
977 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
978 rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
979 }
980
981 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
982 struct rt2x00lib_conf *libconf)
983 {
984 u32 reg;
985
986 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
987 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
988 libconf->conf->short_frame_max_tx_count);
989 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
990 libconf->conf->long_frame_max_tx_count);
991 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
992 rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
993 rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
994 rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
995 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
996 }
997
998 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
999 struct rt2x00lib_conf *libconf)
1000 {
1001 enum dev_state state =
1002 (libconf->conf->flags & IEEE80211_CONF_PS) ?
1003 STATE_SLEEP : STATE_AWAKE;
1004 u32 reg;
1005
1006 if (state == STATE_SLEEP) {
1007 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
1008
1009 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
1010 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
1011 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
1012 libconf->conf->listen_interval - 1);
1013 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
1014 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
1015
1016 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
1017 } else {
1018 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
1019
1020 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
1021 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
1022 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
1023 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
1024 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
1025 }
1026 }
1027
1028 void rt2800_config(struct rt2x00_dev *rt2x00dev,
1029 struct rt2x00lib_conf *libconf,
1030 const unsigned int flags)
1031 {
1032 /* Always recalculate LNA gain before changing configuration */
1033 rt2800_config_lna_gain(rt2x00dev, libconf);
1034
1035 if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
1036 rt2800_config_channel(rt2x00dev, libconf->conf,
1037 &libconf->rf, &libconf->channel);
1038 if (flags & IEEE80211_CONF_CHANGE_POWER)
1039 rt2800_config_txpower(rt2x00dev, libconf->conf->power_level);
1040 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
1041 rt2800_config_retry_limit(rt2x00dev, libconf);
1042 if (flags & IEEE80211_CONF_CHANGE_PS)
1043 rt2800_config_ps(rt2x00dev, libconf);
1044 }
1045 EXPORT_SYMBOL_GPL(rt2800_config);
1046
1047 /*
1048 * Link tuning
1049 */
1050 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
1051 {
1052 u32 reg;
1053
1054 /*
1055 * Update FCS error count from register.
1056 */
1057 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1058 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
1059 }
1060 EXPORT_SYMBOL_GPL(rt2800_link_stats);
1061
1062 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
1063 {
1064 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
1065 if (rt2x00_is_usb(rt2x00dev) &&
1066 rt2x00_rt(rt2x00dev, RT3070) &&
1067 (rt2x00_rev(rt2x00dev) == RT3070_VERSION))
1068 return 0x1c + (2 * rt2x00dev->lna_gain);
1069 else
1070 return 0x2e + rt2x00dev->lna_gain;
1071 }
1072
1073 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
1074 return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
1075 else
1076 return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
1077 }
1078
1079 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
1080 struct link_qual *qual, u8 vgc_level)
1081 {
1082 if (qual->vgc_level != vgc_level) {
1083 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
1084 qual->vgc_level = vgc_level;
1085 qual->vgc_level_reg = vgc_level;
1086 }
1087 }
1088
1089 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
1090 {
1091 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
1092 }
1093 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
1094
1095 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
1096 const u32 count)
1097 {
1098 if (rt2x00_rt(rt2x00dev, RT2860) &&
1099 (rt2x00_rev(rt2x00dev) == RT2860C_VERSION))
1100 return;
1101
1102 /*
1103 * When RSSI is better then -80 increase VGC level with 0x10
1104 */
1105 rt2800_set_vgc(rt2x00dev, qual,
1106 rt2800_get_default_vgc(rt2x00dev) +
1107 ((qual->rssi > -80) * 0x10));
1108 }
1109 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
1110
1111 /*
1112 * Initialization functions.
1113 */
1114 int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
1115 {
1116 u32 reg;
1117 unsigned int i;
1118
1119 if (rt2x00_is_usb(rt2x00dev)) {
1120 /*
1121 * Wait until BBP and RF are ready.
1122 */
1123 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1124 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
1125 if (reg && reg != ~0)
1126 break;
1127 msleep(1);
1128 }
1129
1130 if (i == REGISTER_BUSY_COUNT) {
1131 ERROR(rt2x00dev, "Unstable hardware.\n");
1132 return -EBUSY;
1133 }
1134
1135 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
1136 rt2800_register_write(rt2x00dev, PBF_SYS_CTRL,
1137 reg & ~0x00002000);
1138 } else if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
1139 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
1140
1141 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1142 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
1143 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
1144 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1145
1146 if (rt2x00_is_usb(rt2x00dev)) {
1147 rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
1148 #if defined(CONFIG_RT2X00_LIB_USB) || defined(CONFIG_RT2X00_LIB_USB_MODULE)
1149 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
1150 USB_MODE_RESET, REGISTER_TIMEOUT);
1151 #endif
1152 }
1153
1154 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1155
1156 rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
1157 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
1158 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
1159 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
1160 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
1161 rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
1162
1163 rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
1164 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
1165 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
1166 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
1167 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
1168 rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
1169
1170 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
1171 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1172
1173 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1174
1175 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1176 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
1177 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
1178 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
1179 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
1180 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1181 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
1182 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1183
1184 if (rt2x00_is_usb(rt2x00dev) &&
1185 rt2x00_rt(rt2x00dev, RT3070) &&
1186 (rt2x00_rev(rt2x00dev) == RT3070_VERSION)) {
1187 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
1188 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
1189 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
1190 } else {
1191 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
1192 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
1193 }
1194
1195 rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
1196 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
1197 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
1198 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
1199 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
1200 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
1201 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
1202 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
1203 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
1204 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
1205
1206 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
1207 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
1208 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
1209 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
1210
1211 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
1212 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
1213 if ((rt2x00_rt(rt2x00dev, RT2872) &&
1214 (rt2x00_rev(rt2x00dev) >= RT2880E_VERSION)) ||
1215 rt2x00_rt(rt2x00dev, RT2880) ||
1216 rt2x00_rt(rt2x00dev, RT2883) ||
1217 rt2x00_rt(rt2x00dev, RT2890) ||
1218 rt2x00_rt(rt2x00dev, RT3052) ||
1219 (rt2x00_rt(rt2x00dev, RT3070) &&
1220 (rt2x00_rev(rt2x00dev) < RT3070_VERSION)))
1221 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
1222 else
1223 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
1224 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
1225 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
1226 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
1227
1228 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
1229
1230 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1231 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
1232 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
1233 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
1234 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
1235 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
1236 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1237
1238 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
1239 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 8);
1240 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
1241 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
1242 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1243 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1244 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1245 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1246 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1247 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1248 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
1249
1250 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1251 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 8);
1252 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
1253 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
1254 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1255 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1256 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1257 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1258 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1259 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1260 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1261
1262 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1263 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
1264 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
1265 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
1266 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1267 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1268 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1269 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1270 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1271 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1272 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1273
1274 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1275 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
1276 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
1277 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
1278 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1279 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1280 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1281 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1282 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1283 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1284 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1285
1286 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1287 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
1288 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
1289 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
1290 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1291 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1292 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1293 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1294 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1295 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1296 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1297
1298 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1299 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
1300 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
1301 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
1302 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1303 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1304 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1305 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1306 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1307 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1308 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1309
1310 if (rt2x00_is_usb(rt2x00dev)) {
1311 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
1312
1313 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1314 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
1315 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
1316 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
1317 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
1318 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
1319 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
1320 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
1321 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
1322 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
1323 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1324 }
1325
1326 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
1327 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
1328
1329 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
1330 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
1331 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
1332 IEEE80211_MAX_RTS_THRESHOLD);
1333 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
1334 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
1335
1336 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
1337 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
1338
1339 /*
1340 * ASIC will keep garbage value after boot, clear encryption keys.
1341 */
1342 for (i = 0; i < 4; i++)
1343 rt2800_register_write(rt2x00dev,
1344 SHARED_KEY_MODE_ENTRY(i), 0);
1345
1346 for (i = 0; i < 256; i++) {
1347 u32 wcid[2] = { 0xffffffff, 0x00ffffff };
1348 rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
1349 wcid, sizeof(wcid));
1350
1351 rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
1352 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
1353 }
1354
1355 /*
1356 * Clear all beacons
1357 * For the Beacon base registers we only need to clear
1358 * the first byte since that byte contains the VALID and OWNER
1359 * bits which (when set to 0) will invalidate the entire beacon.
1360 */
1361 rt2800_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1362 rt2800_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1363 rt2800_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1364 rt2800_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1365 rt2800_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
1366 rt2800_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
1367 rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
1368 rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
1369
1370 if (rt2x00_is_usb(rt2x00dev)) {
1371 rt2800_register_read(rt2x00dev, USB_CYC_CFG, &reg);
1372 rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
1373 rt2800_register_write(rt2x00dev, USB_CYC_CFG, reg);
1374 }
1375
1376 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
1377 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
1378 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
1379 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
1380 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
1381 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
1382 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
1383 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
1384 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
1385 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
1386
1387 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
1388 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
1389 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
1390 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
1391 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
1392 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
1393 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
1394 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
1395 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
1396 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
1397
1398 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
1399 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
1400 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
1401 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
1402 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
1403 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
1404 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
1405 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
1406 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
1407 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
1408
1409 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
1410 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
1411 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
1412 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
1413 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
1414 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
1415
1416 /*
1417 * We must clear the error counters.
1418 * These registers are cleared on read,
1419 * so we may pass a useless variable to store the value.
1420 */
1421 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1422 rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
1423 rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
1424 rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
1425 rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
1426 rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
1427
1428 return 0;
1429 }
1430 EXPORT_SYMBOL_GPL(rt2800_init_registers);
1431
1432 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
1433 {
1434 unsigned int i;
1435 u32 reg;
1436
1437 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1438 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
1439 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
1440 return 0;
1441
1442 udelay(REGISTER_BUSY_DELAY);
1443 }
1444
1445 ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
1446 return -EACCES;
1447 }
1448
1449 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1450 {
1451 unsigned int i;
1452 u8 value;
1453
1454 /*
1455 * BBP was enabled after firmware was loaded,
1456 * but we need to reactivate it now.
1457 */
1458 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
1459 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
1460 msleep(1);
1461
1462 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1463 rt2800_bbp_read(rt2x00dev, 0, &value);
1464 if ((value != 0xff) && (value != 0x00))
1465 return 0;
1466 udelay(REGISTER_BUSY_DELAY);
1467 }
1468
1469 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1470 return -EACCES;
1471 }
1472
1473 int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
1474 {
1475 unsigned int i;
1476 u16 eeprom;
1477 u8 reg_id;
1478 u8 value;
1479
1480 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
1481 rt2800_wait_bbp_ready(rt2x00dev)))
1482 return -EACCES;
1483
1484 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
1485 rt2800_bbp_write(rt2x00dev, 66, 0x38);
1486 rt2800_bbp_write(rt2x00dev, 69, 0x12);
1487 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
1488 rt2800_bbp_write(rt2x00dev, 73, 0x10);
1489 rt2800_bbp_write(rt2x00dev, 81, 0x37);
1490 rt2800_bbp_write(rt2x00dev, 82, 0x62);
1491 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
1492 rt2800_bbp_write(rt2x00dev, 84, 0x99);
1493 rt2800_bbp_write(rt2x00dev, 86, 0x00);
1494 rt2800_bbp_write(rt2x00dev, 91, 0x04);
1495 rt2800_bbp_write(rt2x00dev, 92, 0x00);
1496 rt2800_bbp_write(rt2x00dev, 103, 0x00);
1497 rt2800_bbp_write(rt2x00dev, 105, 0x05);
1498
1499 if (rt2x00_rt(rt2x00dev, RT2860) &&
1500 (rt2x00_rev(rt2x00dev) == RT2860C_VERSION)) {
1501 rt2800_bbp_write(rt2x00dev, 69, 0x16);
1502 rt2800_bbp_write(rt2x00dev, 73, 0x12);
1503 }
1504
1505 if (rt2x00_rt(rt2x00dev, RT2860) &&
1506 (rt2x00_rev(rt2x00dev) > RT2860D_VERSION))
1507 rt2800_bbp_write(rt2x00dev, 84, 0x19);
1508
1509 if (rt2x00_is_usb(rt2x00dev) &&
1510 rt2x00_rt(rt2x00dev, RT3070) &&
1511 (rt2x00_rev(rt2x00dev) == RT3070_VERSION)) {
1512 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
1513 rt2800_bbp_write(rt2x00dev, 84, 0x99);
1514 rt2800_bbp_write(rt2x00dev, 105, 0x05);
1515 }
1516
1517 if (rt2x00_rt(rt2x00dev, RT3052)) {
1518 rt2800_bbp_write(rt2x00dev, 31, 0x08);
1519 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
1520 rt2800_bbp_write(rt2x00dev, 80, 0x08);
1521 }
1522
1523 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1524 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1525
1526 if (eeprom != 0xffff && eeprom != 0x0000) {
1527 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1528 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1529 rt2800_bbp_write(rt2x00dev, reg_id, value);
1530 }
1531 }
1532
1533 return 0;
1534 }
1535 EXPORT_SYMBOL_GPL(rt2800_init_bbp);
1536
1537 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
1538 bool bw40, u8 rfcsr24, u8 filter_target)
1539 {
1540 unsigned int i;
1541 u8 bbp;
1542 u8 rfcsr;
1543 u8 passband;
1544 u8 stopband;
1545 u8 overtuned = 0;
1546
1547 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1548
1549 rt2800_bbp_read(rt2x00dev, 4, &bbp);
1550 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
1551 rt2800_bbp_write(rt2x00dev, 4, bbp);
1552
1553 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
1554 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
1555 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
1556
1557 /*
1558 * Set power & frequency of passband test tone
1559 */
1560 rt2800_bbp_write(rt2x00dev, 24, 0);
1561
1562 for (i = 0; i < 100; i++) {
1563 rt2800_bbp_write(rt2x00dev, 25, 0x90);
1564 msleep(1);
1565
1566 rt2800_bbp_read(rt2x00dev, 55, &passband);
1567 if (passband)
1568 break;
1569 }
1570
1571 /*
1572 * Set power & frequency of stopband test tone
1573 */
1574 rt2800_bbp_write(rt2x00dev, 24, 0x06);
1575
1576 for (i = 0; i < 100; i++) {
1577 rt2800_bbp_write(rt2x00dev, 25, 0x90);
1578 msleep(1);
1579
1580 rt2800_bbp_read(rt2x00dev, 55, &stopband);
1581
1582 if ((passband - stopband) <= filter_target) {
1583 rfcsr24++;
1584 overtuned += ((passband - stopband) == filter_target);
1585 } else
1586 break;
1587
1588 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1589 }
1590
1591 rfcsr24 -= !!overtuned;
1592
1593 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1594 return rfcsr24;
1595 }
1596
1597 int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
1598 {
1599 u8 rfcsr;
1600 u8 bbp;
1601
1602 if (rt2x00_is_usb(rt2x00dev) &&
1603 rt2x00_rt(rt2x00dev, RT3070) &&
1604 (rt2x00_rev(rt2x00dev) != RT3070_VERSION))
1605 return 0;
1606
1607 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev)) {
1608 if (!rt2x00_rf(rt2x00dev, RF3020) &&
1609 !rt2x00_rf(rt2x00dev, RF3021) &&
1610 !rt2x00_rf(rt2x00dev, RF3022))
1611 return 0;
1612 }
1613
1614 /*
1615 * Init RF calibration.
1616 */
1617 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1618 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1619 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1620 msleep(1);
1621 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1622 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1623
1624 if (rt2x00_is_usb(rt2x00dev)) {
1625 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
1626 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
1627 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
1628 rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
1629 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
1630 rt2800_rfcsr_write(rt2x00dev, 10, 0x71);
1631 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
1632 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
1633 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
1634 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
1635 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
1636 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
1637 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
1638 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
1639 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
1640 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
1641 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
1642 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1643 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
1644 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
1645 } else if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev)) {
1646 rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
1647 rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
1648 rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
1649 rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
1650 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
1651 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
1652 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
1653 rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
1654 rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
1655 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
1656 rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
1657 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
1658 rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
1659 rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
1660 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
1661 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
1662 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
1663 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
1664 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
1665 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
1666 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
1667 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
1668 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
1669 rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
1670 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
1671 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1672 rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
1673 rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
1674 rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
1675 rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
1676 }
1677
1678 /*
1679 * Set RX Filter calibration for 20MHz and 40MHz
1680 */
1681 rt2x00dev->calibration[0] =
1682 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
1683 rt2x00dev->calibration[1] =
1684 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
1685
1686 /*
1687 * Set back to initial state
1688 */
1689 rt2800_bbp_write(rt2x00dev, 24, 0);
1690
1691 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
1692 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
1693 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
1694
1695 /*
1696 * set BBP back to BW20
1697 */
1698 rt2800_bbp_read(rt2x00dev, 4, &bbp);
1699 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
1700 rt2800_bbp_write(rt2x00dev, 4, bbp);
1701
1702 return 0;
1703 }
1704 EXPORT_SYMBOL_GPL(rt2800_init_rfcsr);
1705
1706 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
1707 {
1708 u32 reg;
1709
1710 rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
1711
1712 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
1713 }
1714 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
1715
1716 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
1717 {
1718 u32 reg;
1719
1720 mutex_lock(&rt2x00dev->csr_mutex);
1721
1722 rt2800_register_read_lock(rt2x00dev, EFUSE_CTRL, &reg);
1723 rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
1724 rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
1725 rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
1726 rt2800_register_write_lock(rt2x00dev, EFUSE_CTRL, reg);
1727
1728 /* Wait until the EEPROM has been loaded */
1729 rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
1730
1731 /* Apparently the data is read from end to start */
1732 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3,
1733 (u32 *)&rt2x00dev->eeprom[i]);
1734 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2,
1735 (u32 *)&rt2x00dev->eeprom[i + 2]);
1736 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1,
1737 (u32 *)&rt2x00dev->eeprom[i + 4]);
1738 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0,
1739 (u32 *)&rt2x00dev->eeprom[i + 6]);
1740
1741 mutex_unlock(&rt2x00dev->csr_mutex);
1742 }
1743
1744 void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
1745 {
1746 unsigned int i;
1747
1748 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
1749 rt2800_efuse_read(rt2x00dev, i);
1750 }
1751 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
1752
1753 int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1754 {
1755 u16 word;
1756 u8 *mac;
1757 u8 default_lna_gain;
1758
1759 /*
1760 * Start validation of the data that has been read.
1761 */
1762 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1763 if (!is_valid_ether_addr(mac)) {
1764 random_ether_addr(mac);
1765 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1766 }
1767
1768 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1769 if (word == 0xffff) {
1770 rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
1771 rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
1772 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
1773 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1774 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1775 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
1776 rt2x00_rt(rt2x00dev, RT2870) ||
1777 rt2x00_rt(rt2x00dev, RT2872) ||
1778 rt2x00_rt(rt2x00dev, RT2880) ||
1779 (rt2x00_rt(rt2x00dev, RT2883) &&
1780 (rt2x00_rev(rt2x00dev) < RT2883_VERSION))) {
1781 /*
1782 * There is a max of 2 RX streams for RT28x0 series
1783 */
1784 if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
1785 rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
1786 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1787 }
1788
1789 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1790 if (word == 0xffff) {
1791 rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
1792 rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
1793 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
1794 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
1795 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1796 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
1797 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
1798 rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
1799 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
1800 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
1801 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1802 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1803 }
1804
1805 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1806 if ((word & 0x00ff) == 0x00ff) {
1807 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1808 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
1809 LED_MODE_TXRX_ACTIVITY);
1810 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
1811 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1812 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
1813 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
1814 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
1815 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1816 }
1817
1818 /*
1819 * During the LNA validation we are going to use
1820 * lna0 as correct value. Note that EEPROM_LNA
1821 * is never validated.
1822 */
1823 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
1824 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
1825
1826 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
1827 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
1828 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
1829 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
1830 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
1831 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
1832
1833 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
1834 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
1835 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
1836 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
1837 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
1838 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
1839 default_lna_gain);
1840 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
1841
1842 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
1843 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
1844 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
1845 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
1846 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
1847 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
1848
1849 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
1850 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
1851 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
1852 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
1853 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
1854 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
1855 default_lna_gain);
1856 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
1857
1858 return 0;
1859 }
1860 EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
1861
1862 int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
1863 {
1864 u32 reg;
1865 u16 value;
1866 u16 eeprom;
1867
1868 /*
1869 * Read EEPROM word for configuration.
1870 */
1871 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1872
1873 /*
1874 * Identify RF chipset.
1875 */
1876 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1877 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
1878
1879 rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
1880 value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
1881
1882 if (!rt2x00_rt(rt2x00dev, RT2860) &&
1883 !rt2x00_rt(rt2x00dev, RT2870) &&
1884 !rt2x00_rt(rt2x00dev, RT2872) &&
1885 !rt2x00_rt(rt2x00dev, RT2880) &&
1886 !rt2x00_rt(rt2x00dev, RT2883) &&
1887 !rt2x00_rt(rt2x00dev, RT2890) &&
1888 !rt2x00_rt(rt2x00dev, RT3052) &&
1889 !rt2x00_rt(rt2x00dev, RT3070) &&
1890 !rt2x00_rt(rt2x00dev, RT3071) &&
1891 !rt2x00_rt(rt2x00dev, RT3090) &&
1892 !rt2x00_rt(rt2x00dev, RT3390) &&
1893 !rt2x00_rt(rt2x00dev, RT3572)) {
1894 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1895 return -ENODEV;
1896 }
1897
1898 if (!rt2x00_rf(rt2x00dev, RF2820) &&
1899 !rt2x00_rf(rt2x00dev, RF2850) &&
1900 !rt2x00_rf(rt2x00dev, RF2720) &&
1901 !rt2x00_rf(rt2x00dev, RF2750) &&
1902 !rt2x00_rf(rt2x00dev, RF3020) &&
1903 !rt2x00_rf(rt2x00dev, RF2020) &&
1904 !rt2x00_rf(rt2x00dev, RF3021) &&
1905 !rt2x00_rf(rt2x00dev, RF3022) &&
1906 !rt2x00_rf(rt2x00dev, RF3052)) {
1907 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1908 return -ENODEV;
1909 }
1910
1911 /*
1912 * Identify default antenna configuration.
1913 */
1914 rt2x00dev->default_ant.tx =
1915 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH);
1916 rt2x00dev->default_ant.rx =
1917 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH);
1918
1919 /*
1920 * Read frequency offset and RF programming sequence.
1921 */
1922 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1923 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1924
1925 /*
1926 * Read external LNA informations.
1927 */
1928 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1929
1930 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
1931 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
1932 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
1933 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
1934
1935 /*
1936 * Detect if this device has an hardware controlled radio.
1937 */
1938 if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
1939 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1940
1941 /*
1942 * Store led settings, for correct led behaviour.
1943 */
1944 #ifdef CONFIG_RT2X00_LIB_LEDS
1945 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1946 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
1947 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
1948
1949 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &rt2x00dev->led_mcu_reg);
1950 #endif /* CONFIG_RT2X00_LIB_LEDS */
1951
1952 return 0;
1953 }
1954 EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
1955
1956 /*
1957 * RF value list for rt28x0
1958 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
1959 */
1960 static const struct rf_channel rf_vals[] = {
1961 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
1962 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
1963 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
1964 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
1965 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
1966 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
1967 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
1968 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
1969 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
1970 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
1971 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
1972 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
1973 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
1974 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
1975
1976 /* 802.11 UNI / HyperLan 2 */
1977 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
1978 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
1979 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
1980 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
1981 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
1982 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
1983 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
1984 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
1985 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
1986 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
1987 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
1988 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
1989
1990 /* 802.11 HyperLan 2 */
1991 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
1992 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
1993 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
1994 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
1995 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
1996 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
1997 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
1998 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
1999 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
2000 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
2001 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
2002 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
2003 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
2004 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
2005 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
2006 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
2007
2008 /* 802.11 UNII */
2009 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
2010 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
2011 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
2012 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
2013 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
2014 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
2015 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
2016 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
2017 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
2018 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
2019 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
2020
2021 /* 802.11 Japan */
2022 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
2023 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
2024 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
2025 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
2026 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
2027 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
2028 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
2029 };
2030
2031 /*
2032 * RF value list for rt3070
2033 * Supports: 2.4 GHz
2034 */
2035 static const struct rf_channel rf_vals_302x[] = {
2036 {1, 241, 2, 2 },
2037 {2, 241, 2, 7 },
2038 {3, 242, 2, 2 },
2039 {4, 242, 2, 7 },
2040 {5, 243, 2, 2 },
2041 {6, 243, 2, 7 },
2042 {7, 244, 2, 2 },
2043 {8, 244, 2, 7 },
2044 {9, 245, 2, 2 },
2045 {10, 245, 2, 7 },
2046 {11, 246, 2, 2 },
2047 {12, 246, 2, 7 },
2048 {13, 247, 2, 2 },
2049 {14, 248, 2, 4 },
2050 };
2051
2052 int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2053 {
2054 struct hw_mode_spec *spec = &rt2x00dev->spec;
2055 struct channel_info *info;
2056 char *tx_power1;
2057 char *tx_power2;
2058 unsigned int i;
2059 u16 eeprom;
2060
2061 /*
2062 * Disable powersaving as default on PCI devices.
2063 */
2064 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
2065 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
2066
2067 /*
2068 * Initialize all hw fields.
2069 */
2070 rt2x00dev->hw->flags =
2071 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
2072 IEEE80211_HW_SIGNAL_DBM |
2073 IEEE80211_HW_SUPPORTS_PS |
2074 IEEE80211_HW_PS_NULLFUNC_STACK;
2075
2076 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
2077 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2078 rt2x00_eeprom_addr(rt2x00dev,
2079 EEPROM_MAC_ADDR_0));
2080
2081 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
2082
2083 /*
2084 * Initialize hw_mode information.
2085 */
2086 spec->supported_bands = SUPPORT_BAND_2GHZ;
2087 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
2088
2089 if (rt2x00_rf(rt2x00dev, RF2820) ||
2090 rt2x00_rf(rt2x00dev, RF2720) ||
2091 rt2x00_rf(rt2x00dev, RF3052)) {
2092 spec->num_channels = 14;
2093 spec->channels = rf_vals;
2094 } else if (rt2x00_rf(rt2x00dev, RF2850) || rt2x00_rf(rt2x00dev, RF2750)) {
2095 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2096 spec->num_channels = ARRAY_SIZE(rf_vals);
2097 spec->channels = rf_vals;
2098 } else if (rt2x00_rf(rt2x00dev, RF3020) ||
2099 rt2x00_rf(rt2x00dev, RF2020) ||
2100 rt2x00_rf(rt2x00dev, RF3021) ||
2101 rt2x00_rf(rt2x00dev, RF3022)) {
2102 spec->num_channels = ARRAY_SIZE(rf_vals_302x);
2103 spec->channels = rf_vals_302x;
2104 }
2105
2106 /*
2107 * Initialize HT information.
2108 */
2109 if (!rt2x00_rf(rt2x00dev, RF2020))
2110 spec->ht.ht_supported = true;
2111 else
2112 spec->ht.ht_supported = false;
2113
2114 spec->ht.cap =
2115 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2116 IEEE80211_HT_CAP_GRN_FLD |
2117 IEEE80211_HT_CAP_SGI_20 |
2118 IEEE80211_HT_CAP_SGI_40 |
2119 IEEE80211_HT_CAP_TX_STBC |
2120 IEEE80211_HT_CAP_RX_STBC;
2121 spec->ht.ampdu_factor = 3;
2122 spec->ht.ampdu_density = 4;
2123 spec->ht.mcs.tx_params =
2124 IEEE80211_HT_MCS_TX_DEFINED |
2125 IEEE80211_HT_MCS_TX_RX_DIFF |
2126 ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) <<
2127 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
2128
2129 switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
2130 case 3:
2131 spec->ht.mcs.rx_mask[2] = 0xff;
2132 case 2:
2133 spec->ht.mcs.rx_mask[1] = 0xff;
2134 case 1:
2135 spec->ht.mcs.rx_mask[0] = 0xff;
2136 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
2137 break;
2138 }
2139
2140 /*
2141 * Create channel information array
2142 */
2143 info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
2144 if (!info)
2145 return -ENOMEM;
2146
2147 spec->channels_info = info;
2148
2149 tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
2150 tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
2151
2152 for (i = 0; i < 14; i++) {
2153 info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
2154 info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
2155 }
2156
2157 if (spec->num_channels > 14) {
2158 tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
2159 tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
2160
2161 for (i = 14; i < spec->num_channels; i++) {
2162 info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
2163 info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
2164 }
2165 }
2166
2167 return 0;
2168 }
2169 EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode);
2170
2171 /*
2172 * IEEE80211 stack callback functions.
2173 */
2174 static void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
2175 u32 *iv32, u16 *iv16)
2176 {
2177 struct rt2x00_dev *rt2x00dev = hw->priv;
2178 struct mac_iveiv_entry iveiv_entry;
2179 u32 offset;
2180
2181 offset = MAC_IVEIV_ENTRY(hw_key_idx);
2182 rt2800_register_multiread(rt2x00dev, offset,
2183 &iveiv_entry, sizeof(iveiv_entry));
2184
2185 memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16));
2186 memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32));
2187 }
2188
2189 static int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2190 {
2191 struct rt2x00_dev *rt2x00dev = hw->priv;
2192 u32 reg;
2193 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
2194
2195 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
2196 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
2197 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
2198
2199 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
2200 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
2201 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
2202
2203 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
2204 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
2205 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
2206
2207 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
2208 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
2209 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
2210
2211 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
2212 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
2213 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
2214
2215 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
2216 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
2217 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
2218
2219 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
2220 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
2221 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
2222
2223 return 0;
2224 }
2225
2226 static int rt2800_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
2227 const struct ieee80211_tx_queue_params *params)
2228 {
2229 struct rt2x00_dev *rt2x00dev = hw->priv;
2230 struct data_queue *queue;
2231 struct rt2x00_field32 field;
2232 int retval;
2233 u32 reg;
2234 u32 offset;
2235
2236 /*
2237 * First pass the configuration through rt2x00lib, that will
2238 * update the queue settings and validate the input. After that
2239 * we are free to update the registers based on the value
2240 * in the queue parameter.
2241 */
2242 retval = rt2x00mac_conf_tx(hw, queue_idx, params);
2243 if (retval)
2244 return retval;
2245
2246 /*
2247 * We only need to perform additional register initialization
2248 * for WMM queues/
2249 */
2250 if (queue_idx >= 4)
2251 return 0;
2252
2253 queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
2254
2255 /* Update WMM TXOP register */
2256 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
2257 field.bit_offset = (queue_idx & 1) * 16;
2258 field.bit_mask = 0xffff << field.bit_offset;
2259
2260 rt2800_register_read(rt2x00dev, offset, &reg);
2261 rt2x00_set_field32(&reg, field, queue->txop);
2262 rt2800_register_write(rt2x00dev, offset, reg);
2263
2264 /* Update WMM registers */
2265 field.bit_offset = queue_idx * 4;
2266 field.bit_mask = 0xf << field.bit_offset;
2267
2268 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
2269 rt2x00_set_field32(&reg, field, queue->aifs);
2270 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
2271
2272 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
2273 rt2x00_set_field32(&reg, field, queue->cw_min);
2274 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
2275
2276 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
2277 rt2x00_set_field32(&reg, field, queue->cw_max);
2278 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
2279
2280 /* Update EDCA registers */
2281 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
2282
2283 rt2800_register_read(rt2x00dev, offset, &reg);
2284 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
2285 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
2286 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
2287 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
2288 rt2800_register_write(rt2x00dev, offset, reg);
2289
2290 return 0;
2291 }
2292
2293 static u64 rt2800_get_tsf(struct ieee80211_hw *hw)
2294 {
2295 struct rt2x00_dev *rt2x00dev = hw->priv;
2296 u64 tsf;
2297 u32 reg;
2298
2299 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
2300 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
2301 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
2302 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
2303
2304 return tsf;
2305 }
2306
2307 const struct ieee80211_ops rt2800_mac80211_ops = {
2308 .tx = rt2x00mac_tx,
2309 .start = rt2x00mac_start,
2310 .stop = rt2x00mac_stop,
2311 .add_interface = rt2x00mac_add_interface,
2312 .remove_interface = rt2x00mac_remove_interface,
2313 .config = rt2x00mac_config,
2314 .configure_filter = rt2x00mac_configure_filter,
2315 .set_tim = rt2x00mac_set_tim,
2316 .set_key = rt2x00mac_set_key,
2317 .get_stats = rt2x00mac_get_stats,
2318 .get_tkip_seq = rt2800_get_tkip_seq,
2319 .set_rts_threshold = rt2800_set_rts_threshold,
2320 .bss_info_changed = rt2x00mac_bss_info_changed,
2321 .conf_tx = rt2800_conf_tx,
2322 .get_tsf = rt2800_get_tsf,
2323 .rfkill_poll = rt2x00mac_rfkill_poll,
2324 };
2325 EXPORT_SYMBOL_GPL(rt2800_mac80211_ops);
Linux with added FPC-III support