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rt2x00: Finish rt3070 support in rt2800 register initialization.
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / rt2x00 / rt2800lib.c
blob7d1cb7ea0952b11c2b6f14b5162cfcbc73dd6fcf
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
39 #include "rt2x00.h"
40 #if defined(CONFIG_RT2X00_LIB_USB) || defined(CONFIG_RT2X00_LIB_USB_MODULE)
41 #include "rt2x00usb.h"
42 #endif
43 #if defined(CONFIG_RT2X00_LIB_PCI) || defined(CONFIG_RT2X00_LIB_PCI_MODULE)
44 #include "rt2x00pci.h"
45 #endif
46 #include "rt2800lib.h"
47 #include "rt2800.h"
48 #include "rt2800usb.h"
49
50 MODULE_AUTHOR("Bartlomiej Zolnierkiewicz");
51 MODULE_DESCRIPTION("rt2800 library");
52 MODULE_LICENSE("GPL");
53
54 /*
55 * Register access.
56 * All access to the CSR registers will go through the methods
57 * rt2800_register_read and rt2800_register_write.
58 * BBP and RF register require indirect register access,
59 * and use the CSR registers BBPCSR and RFCSR to achieve this.
60 * These indirect registers work with busy bits,
61 * and we will try maximal REGISTER_BUSY_COUNT times to access
62 * the register while taking a REGISTER_BUSY_DELAY us delay
63 * between each attampt. When the busy bit is still set at that time,
64 * the access attempt is considered to have failed,
65 * and we will print an error.
66 * The _lock versions must be used if you already hold the csr_mutex
67 */
68 #define WAIT_FOR_BBP(__dev, __reg) \
69 rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
70 #define WAIT_FOR_RFCSR(__dev, __reg) \
71 rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
72 #define WAIT_FOR_RF(__dev, __reg) \
73 rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
74 #define WAIT_FOR_MCU(__dev, __reg) \
75 rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
76 H2M_MAILBOX_CSR_OWNER, (__reg))
77
78 static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
79 const unsigned int word, const u8 value)
80 {
81 u32 reg;
82
83 mutex_lock(&rt2x00dev->csr_mutex);
84
85 /*
86 * Wait until the BBP becomes available, afterwards we
87 * can safely write the new data into the register.
88 */
89 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
90 reg = 0;
91 rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
92 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
93 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
94 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
95 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
96 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
97
98 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
99 }
100
101 mutex_unlock(&rt2x00dev->csr_mutex);
102 }
103
104 static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
105 const unsigned int word, u8 *value)
106 {
107 u32 reg;
108
109 mutex_lock(&rt2x00dev->csr_mutex);
110
111 /*
112 * Wait until the BBP becomes available, afterwards we
113 * can safely write the read request into the register.
114 * After the data has been written, we wait until hardware
115 * returns the correct value, if at any time the register
116 * doesn't become available in time, reg will be 0xffffffff
117 * which means we return 0xff to the caller.
118 */
119 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
120 reg = 0;
121 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
122 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
123 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
124 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
125 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
126
127 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
128
129 WAIT_FOR_BBP(rt2x00dev, &reg);
130 }
131
132 *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
133
134 mutex_unlock(&rt2x00dev->csr_mutex);
135 }
136
137 static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
138 const unsigned int word, const u8 value)
139 {
140 u32 reg;
141
142 mutex_lock(&rt2x00dev->csr_mutex);
143
144 /*
145 * Wait until the RFCSR becomes available, afterwards we
146 * can safely write the new data into the register.
147 */
148 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
149 reg = 0;
150 rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
151 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
152 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
153 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
154
155 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
156 }
157
158 mutex_unlock(&rt2x00dev->csr_mutex);
159 }
160
161 static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
162 const unsigned int word, u8 *value)
163 {
164 u32 reg;
165
166 mutex_lock(&rt2x00dev->csr_mutex);
167
168 /*
169 * Wait until the RFCSR becomes available, afterwards we
170 * can safely write the read request into the register.
171 * After the data has been written, we wait until hardware
172 * returns the correct value, if at any time the register
173 * doesn't become available in time, reg will be 0xffffffff
174 * which means we return 0xff to the caller.
175 */
176 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
177 reg = 0;
178 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
179 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
180 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
181
182 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
183
184 WAIT_FOR_RFCSR(rt2x00dev, &reg);
185 }
186
187 *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
188
189 mutex_unlock(&rt2x00dev->csr_mutex);
190 }
191
192 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
193 const unsigned int word, const u32 value)
194 {
195 u32 reg;
196
197 mutex_lock(&rt2x00dev->csr_mutex);
198
199 /*
200 * Wait until the RF becomes available, afterwards we
201 * can safely write the new data into the register.
202 */
203 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
204 reg = 0;
205 rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
206 rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
207 rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
208 rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
209
210 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
211 rt2x00_rf_write(rt2x00dev, word, value);
212 }
213
214 mutex_unlock(&rt2x00dev->csr_mutex);
215 }
216
217 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
218 const u8 command, const u8 token,
219 const u8 arg0, const u8 arg1)
220 {
221 u32 reg;
222
223 /*
224 * SOC devices don't support MCU requests.
225 */
226 if (rt2x00_is_soc(rt2x00dev))
227 return;
228
229 mutex_lock(&rt2x00dev->csr_mutex);
230
231 /*
232 * Wait until the MCU becomes available, afterwards we
233 * can safely write the new data into the register.
234 */
235 if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
236 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
237 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
238 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
239 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
240 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
241
242 reg = 0;
243 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
244 rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
245 }
246
247 mutex_unlock(&rt2x00dev->csr_mutex);
248 }
249 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
250
251 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
252 {
253 unsigned int i;
254 u32 reg;
255
256 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
257 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
258 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
259 !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
260 return 0;
261
262 msleep(1);
263 }
264
265 ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
266 return -EACCES;
267 }
268 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
269
270 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
271 const struct rt2x00debug rt2800_rt2x00debug = {
272 .owner = THIS_MODULE,
273 .csr = {
274 .read = rt2800_register_read,
275 .write = rt2800_register_write,
276 .flags = RT2X00DEBUGFS_OFFSET,
277 .word_base = CSR_REG_BASE,
278 .word_size = sizeof(u32),
279 .word_count = CSR_REG_SIZE / sizeof(u32),
280 },
281 .eeprom = {
282 .read = rt2x00_eeprom_read,
283 .write = rt2x00_eeprom_write,
284 .word_base = EEPROM_BASE,
285 .word_size = sizeof(u16),
286 .word_count = EEPROM_SIZE / sizeof(u16),
287 },
288 .bbp = {
289 .read = rt2800_bbp_read,
290 .write = rt2800_bbp_write,
291 .word_base = BBP_BASE,
292 .word_size = sizeof(u8),
293 .word_count = BBP_SIZE / sizeof(u8),
294 },
295 .rf = {
296 .read = rt2x00_rf_read,
297 .write = rt2800_rf_write,
298 .word_base = RF_BASE,
299 .word_size = sizeof(u32),
300 .word_count = RF_SIZE / sizeof(u32),
301 },
302 };
303 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
304 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
305
306 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
307 {
308 u32 reg;
309
310 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
311 return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
312 }
313 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
314
315 #ifdef CONFIG_RT2X00_LIB_LEDS
316 static void rt2800_brightness_set(struct led_classdev *led_cdev,
317 enum led_brightness brightness)
318 {
319 struct rt2x00_led *led =
320 container_of(led_cdev, struct rt2x00_led, led_dev);
321 unsigned int enabled = brightness != LED_OFF;
322 unsigned int bg_mode =
323 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
324 unsigned int polarity =
325 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
326 EEPROM_FREQ_LED_POLARITY);
327 unsigned int ledmode =
328 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
329 EEPROM_FREQ_LED_MODE);
330
331 if (led->type == LED_TYPE_RADIO) {
332 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
333 enabled ? 0x20 : 0);
334 } else if (led->type == LED_TYPE_ASSOC) {
335 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
336 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
337 } else if (led->type == LED_TYPE_QUALITY) {
338 /*
339 * The brightness is divided into 6 levels (0 - 5),
340 * The specs tell us the following levels:
341 * 0, 1 ,3, 7, 15, 31
342 * to determine the level in a simple way we can simply
343 * work with bitshifting:
344 * (1 << level) - 1
345 */
346 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
347 (1 << brightness / (LED_FULL / 6)) - 1,
348 polarity);
349 }
350 }
351
352 static int rt2800_blink_set(struct led_classdev *led_cdev,
353 unsigned long *delay_on, unsigned long *delay_off)
354 {
355 struct rt2x00_led *led =
356 container_of(led_cdev, struct rt2x00_led, led_dev);
357 u32 reg;
358
359 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
360 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
361 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
362 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
363
364 return 0;
365 }
366
367 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
368 struct rt2x00_led *led, enum led_type type)
369 {
370 led->rt2x00dev = rt2x00dev;
371 led->type = type;
372 led->led_dev.brightness_set = rt2800_brightness_set;
373 led->led_dev.blink_set = rt2800_blink_set;
374 led->flags = LED_INITIALIZED;
375 }
376 #endif /* CONFIG_RT2X00_LIB_LEDS */
377
378 /*
379 * Configuration handlers.
380 */
381 static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
382 struct rt2x00lib_crypto *crypto,
383 struct ieee80211_key_conf *key)
384 {
385 struct mac_wcid_entry wcid_entry;
386 struct mac_iveiv_entry iveiv_entry;
387 u32 offset;
388 u32 reg;
389
390 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
391
392 rt2800_register_read(rt2x00dev, offset, &reg);
393 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
394 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
395 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
396 (crypto->cmd == SET_KEY) * crypto->cipher);
397 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
398 (crypto->cmd == SET_KEY) * crypto->bssidx);
399 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
400 rt2800_register_write(rt2x00dev, offset, reg);
401
402 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
403
404 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
405 if ((crypto->cipher == CIPHER_TKIP) ||
406 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
407 (crypto->cipher == CIPHER_AES))
408 iveiv_entry.iv[3] |= 0x20;
409 iveiv_entry.iv[3] |= key->keyidx << 6;
410 rt2800_register_multiwrite(rt2x00dev, offset,
411 &iveiv_entry, sizeof(iveiv_entry));
412
413 offset = MAC_WCID_ENTRY(key->hw_key_idx);
414
415 memset(&wcid_entry, 0, sizeof(wcid_entry));
416 if (crypto->cmd == SET_KEY)
417 memcpy(&wcid_entry, crypto->address, ETH_ALEN);
418 rt2800_register_multiwrite(rt2x00dev, offset,
419 &wcid_entry, sizeof(wcid_entry));
420 }
421
422 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
423 struct rt2x00lib_crypto *crypto,
424 struct ieee80211_key_conf *key)
425 {
426 struct hw_key_entry key_entry;
427 struct rt2x00_field32 field;
428 u32 offset;
429 u32 reg;
430
431 if (crypto->cmd == SET_KEY) {
432 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
433
434 memcpy(key_entry.key, crypto->key,
435 sizeof(key_entry.key));
436 memcpy(key_entry.tx_mic, crypto->tx_mic,
437 sizeof(key_entry.tx_mic));
438 memcpy(key_entry.rx_mic, crypto->rx_mic,
439 sizeof(key_entry.rx_mic));
440
441 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
442 rt2800_register_multiwrite(rt2x00dev, offset,
443 &key_entry, sizeof(key_entry));
444 }
445
446 /*
447 * The cipher types are stored over multiple registers
448 * starting with SHARED_KEY_MODE_BASE each word will have
449 * 32 bits and contains the cipher types for 2 bssidx each.
450 * Using the correct defines correctly will cause overhead,
451 * so just calculate the correct offset.
452 */
453 field.bit_offset = 4 * (key->hw_key_idx % 8);
454 field.bit_mask = 0x7 << field.bit_offset;
455
456 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
457
458 rt2800_register_read(rt2x00dev, offset, &reg);
459 rt2x00_set_field32(&reg, field,
460 (crypto->cmd == SET_KEY) * crypto->cipher);
461 rt2800_register_write(rt2x00dev, offset, reg);
462
463 /*
464 * Update WCID information
465 */
466 rt2800_config_wcid_attr(rt2x00dev, crypto, key);
467
468 return 0;
469 }
470 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
471
472 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
473 struct rt2x00lib_crypto *crypto,
474 struct ieee80211_key_conf *key)
475 {
476 struct hw_key_entry key_entry;
477 u32 offset;
478
479 if (crypto->cmd == SET_KEY) {
480 /*
481 * 1 pairwise key is possible per AID, this means that the AID
482 * equals our hw_key_idx. Make sure the WCID starts _after_ the
483 * last possible shared key entry.
484 */
485 if (crypto->aid > (256 - 32))
486 return -ENOSPC;
487
488 key->hw_key_idx = 32 + crypto->aid;
489
490 memcpy(key_entry.key, crypto->key,
491 sizeof(key_entry.key));
492 memcpy(key_entry.tx_mic, crypto->tx_mic,
493 sizeof(key_entry.tx_mic));
494 memcpy(key_entry.rx_mic, crypto->rx_mic,
495 sizeof(key_entry.rx_mic));
496
497 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
498 rt2800_register_multiwrite(rt2x00dev, offset,
499 &key_entry, sizeof(key_entry));
500 }
501
502 /*
503 * Update WCID information
504 */
505 rt2800_config_wcid_attr(rt2x00dev, crypto, key);
506
507 return 0;
508 }
509 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
510
511 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
512 const unsigned int filter_flags)
513 {
514 u32 reg;
515
516 /*
517 * Start configuration steps.
518 * Note that the version error will always be dropped
519 * and broadcast frames will always be accepted since
520 * there is no filter for it at this time.
521 */
522 rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
523 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
524 !(filter_flags & FIF_FCSFAIL));
525 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
526 !(filter_flags & FIF_PLCPFAIL));
527 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
528 !(filter_flags & FIF_PROMISC_IN_BSS));
529 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
530 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
531 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
532 !(filter_flags & FIF_ALLMULTI));
533 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
534 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
535 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
536 !(filter_flags & FIF_CONTROL));
537 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
538 !(filter_flags & FIF_CONTROL));
539 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
540 !(filter_flags & FIF_CONTROL));
541 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
542 !(filter_flags & FIF_CONTROL));
543 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
544 !(filter_flags & FIF_CONTROL));
545 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
546 !(filter_flags & FIF_PSPOLL));
547 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
548 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
549 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
550 !(filter_flags & FIF_CONTROL));
551 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
552 }
553 EXPORT_SYMBOL_GPL(rt2800_config_filter);
554
555 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
556 struct rt2x00intf_conf *conf, const unsigned int flags)
557 {
558 unsigned int beacon_base;
559 u32 reg;
560
561 if (flags & CONFIG_UPDATE_TYPE) {
562 /*
563 * Clear current synchronisation setup.
564 * For the Beacon base registers we only need to clear
565 * the first byte since that byte contains the VALID and OWNER
566 * bits which (when set to 0) will invalidate the entire beacon.
567 */
568 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
569 rt2800_register_write(rt2x00dev, beacon_base, 0);
570
571 /*
572 * Enable synchronisation.
573 */
574 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
575 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
576 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
577 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE,
578 (conf->sync == TSF_SYNC_BEACON));
579 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
580 }
581
582 if (flags & CONFIG_UPDATE_MAC) {
583 reg = le32_to_cpu(conf->mac[1]);
584 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
585 conf->mac[1] = cpu_to_le32(reg);
586
587 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
588 conf->mac, sizeof(conf->mac));
589 }
590
591 if (flags & CONFIG_UPDATE_BSSID) {
592 reg = le32_to_cpu(conf->bssid[1]);
593 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 0);
594 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
595 conf->bssid[1] = cpu_to_le32(reg);
596
597 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
598 conf->bssid, sizeof(conf->bssid));
599 }
600 }
601 EXPORT_SYMBOL_GPL(rt2800_config_intf);
602
603 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp)
604 {
605 u32 reg;
606
607 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
608 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
609 !!erp->short_preamble);
610 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
611 !!erp->short_preamble);
612 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
613
614 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
615 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
616 erp->cts_protection ? 2 : 0);
617 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
618
619 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
620 erp->basic_rates);
621 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
622
623 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
624 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
625 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
626
627 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
628 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
629 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
630 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
631 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
632
633 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
634 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
635 erp->beacon_int * 16);
636 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
637 }
638 EXPORT_SYMBOL_GPL(rt2800_config_erp);
639
640 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
641 {
642 u8 r1;
643 u8 r3;
644
645 rt2800_bbp_read(rt2x00dev, 1, &r1);
646 rt2800_bbp_read(rt2x00dev, 3, &r3);
647
648 /*
649 * Configure the TX antenna.
650 */
651 switch ((int)ant->tx) {
652 case 1:
653 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
654 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
655 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
656 break;
657 case 2:
658 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
659 break;
660 case 3:
661 /* Do nothing */
662 break;
663 }
664
665 /*
666 * Configure the RX antenna.
667 */
668 switch ((int)ant->rx) {
669 case 1:
670 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
671 break;
672 case 2:
673 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
674 break;
675 case 3:
676 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
677 break;
678 }
679
680 rt2800_bbp_write(rt2x00dev, 3, r3);
681 rt2800_bbp_write(rt2x00dev, 1, r1);
682 }
683 EXPORT_SYMBOL_GPL(rt2800_config_ant);
684
685 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
686 struct rt2x00lib_conf *libconf)
687 {
688 u16 eeprom;
689 short lna_gain;
690
691 if (libconf->rf.channel <= 14) {
692 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
693 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
694 } else if (libconf->rf.channel <= 64) {
695 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
696 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
697 } else if (libconf->rf.channel <= 128) {
698 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
699 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
700 } else {
701 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
702 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
703 }
704
705 rt2x00dev->lna_gain = lna_gain;
706 }
707
708 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
709 struct ieee80211_conf *conf,
710 struct rf_channel *rf,
711 struct channel_info *info)
712 {
713 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
714
715 if (rt2x00dev->default_ant.tx == 1)
716 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
717
718 if (rt2x00dev->default_ant.rx == 1) {
719 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
720 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
721 } else if (rt2x00dev->default_ant.rx == 2)
722 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
723
724 if (rf->channel > 14) {
725 /*
726 * When TX power is below 0, we should increase it by 7 to
727 * make it a positive value (Minumum value is -7).
728 * However this means that values between 0 and 7 have
729 * double meaning, and we should set a 7DBm boost flag.
730 */
731 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
732 (info->tx_power1 >= 0));
733
734 if (info->tx_power1 < 0)
735 info->tx_power1 += 7;
736
737 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
738 TXPOWER_A_TO_DEV(info->tx_power1));
739
740 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
741 (info->tx_power2 >= 0));
742
743 if (info->tx_power2 < 0)
744 info->tx_power2 += 7;
745
746 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
747 TXPOWER_A_TO_DEV(info->tx_power2));
748 } else {
749 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
750 TXPOWER_G_TO_DEV(info->tx_power1));
751 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
752 TXPOWER_G_TO_DEV(info->tx_power2));
753 }
754
755 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
756
757 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
758 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
759 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
760 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
761
762 udelay(200);
763
764 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
765 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
766 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
767 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
768
769 udelay(200);
770
771 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
772 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
773 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
774 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
775 }
776
777 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
778 struct ieee80211_conf *conf,
779 struct rf_channel *rf,
780 struct channel_info *info)
781 {
782 u8 rfcsr;
783
784 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
785 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
786
787 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
788 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
789 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
790
791 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
792 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
793 TXPOWER_G_TO_DEV(info->tx_power1));
794 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
795
796 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
797 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
798 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
799
800 rt2800_rfcsr_write(rt2x00dev, 24,
801 rt2x00dev->calibration[conf_is_ht40(conf)]);
802
803 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
804 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
805 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
806 }
807
808 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
809 struct ieee80211_conf *conf,
810 struct rf_channel *rf,
811 struct channel_info *info)
812 {
813 u32 reg;
814 unsigned int tx_pin;
815 u8 bbp;
816
817 if (rt2x00_rf(rt2x00dev, RF2020) ||
818 rt2x00_rf(rt2x00dev, RF3020) ||
819 rt2x00_rf(rt2x00dev, RF3021) ||
820 rt2x00_rf(rt2x00dev, RF3022))
821 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
822 else
823 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
824
825 /*
826 * Change BBP settings
827 */
828 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
829 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
830 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
831 rt2800_bbp_write(rt2x00dev, 86, 0);
832
833 if (rf->channel <= 14) {
834 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
835 rt2800_bbp_write(rt2x00dev, 82, 0x62);
836 rt2800_bbp_write(rt2x00dev, 75, 0x46);
837 } else {
838 rt2800_bbp_write(rt2x00dev, 82, 0x84);
839 rt2800_bbp_write(rt2x00dev, 75, 0x50);
840 }
841 } else {
842 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
843
844 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
845 rt2800_bbp_write(rt2x00dev, 75, 0x46);
846 else
847 rt2800_bbp_write(rt2x00dev, 75, 0x50);
848 }
849
850 rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
851 rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
852 rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
853 rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
854 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
855
856 tx_pin = 0;
857
858 /* Turn on unused PA or LNA when not using 1T or 1R */
859 if (rt2x00dev->default_ant.tx != 1) {
860 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
861 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
862 }
863
864 /* Turn on unused PA or LNA when not using 1T or 1R */
865 if (rt2x00dev->default_ant.rx != 1) {
866 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
867 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
868 }
869
870 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
871 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
872 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
873 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
874 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
875 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
876
877 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
878
879 rt2800_bbp_read(rt2x00dev, 4, &bbp);
880 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
881 rt2800_bbp_write(rt2x00dev, 4, bbp);
882
883 rt2800_bbp_read(rt2x00dev, 3, &bbp);
884 rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
885 rt2800_bbp_write(rt2x00dev, 3, bbp);
886
887 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
888 if (conf_is_ht40(conf)) {
889 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
890 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
891 rt2800_bbp_write(rt2x00dev, 73, 0x16);
892 } else {
893 rt2800_bbp_write(rt2x00dev, 69, 0x16);
894 rt2800_bbp_write(rt2x00dev, 70, 0x08);
895 rt2800_bbp_write(rt2x00dev, 73, 0x11);
896 }
897 }
898
899 msleep(1);
900 }
901
902 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
903 const int txpower)
904 {
905 u32 reg;
906 u32 value = TXPOWER_G_TO_DEV(txpower);
907 u8 r1;
908
909 rt2800_bbp_read(rt2x00dev, 1, &r1);
910 rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
911 rt2800_bbp_write(rt2x00dev, 1, r1);
912
913 rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
914 rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
915 rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
916 rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
917 rt2x00_set_field32(&reg, TX_PWR_CFG_0_11MBS, value);
918 rt2x00_set_field32(&reg, TX_PWR_CFG_0_6MBS, value);
919 rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
920 rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
921 rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
922 rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
923
924 rt2800_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
925 rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
926 rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
927 rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
928 rt2x00_set_field32(&reg, TX_PWR_CFG_1_54MBS, value);
929 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS0, value);
930 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
931 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
932 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
933 rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
934
935 rt2800_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
936 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
937 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
938 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
939 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS7, value);
940 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS8, value);
941 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
942 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
943 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
944 rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
945
946 rt2800_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
947 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
948 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
949 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
950 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS15, value);
951 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN1, value);
952 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
953 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
954 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
955 rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
956
957 rt2800_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
958 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
959 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
960 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
961 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
962 rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
963 }
964
965 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
966 struct rt2x00lib_conf *libconf)
967 {
968 u32 reg;
969
970 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
971 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
972 libconf->conf->short_frame_max_tx_count);
973 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
974 libconf->conf->long_frame_max_tx_count);
975 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
976 }
977
978 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
979 struct rt2x00lib_conf *libconf)
980 {
981 enum dev_state state =
982 (libconf->conf->flags & IEEE80211_CONF_PS) ?
983 STATE_SLEEP : STATE_AWAKE;
984 u32 reg;
985
986 if (state == STATE_SLEEP) {
987 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
988
989 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
990 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
991 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
992 libconf->conf->listen_interval - 1);
993 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
994 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
995
996 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
997 } else {
998 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
999 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
1000 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
1001 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
1002 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
1003
1004 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
1005 }
1006 }
1007
1008 void rt2800_config(struct rt2x00_dev *rt2x00dev,
1009 struct rt2x00lib_conf *libconf,
1010 const unsigned int flags)
1011 {
1012 /* Always recalculate LNA gain before changing configuration */
1013 rt2800_config_lna_gain(rt2x00dev, libconf);
1014
1015 if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
1016 rt2800_config_channel(rt2x00dev, libconf->conf,
1017 &libconf->rf, &libconf->channel);
1018 if (flags & IEEE80211_CONF_CHANGE_POWER)
1019 rt2800_config_txpower(rt2x00dev, libconf->conf->power_level);
1020 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
1021 rt2800_config_retry_limit(rt2x00dev, libconf);
1022 if (flags & IEEE80211_CONF_CHANGE_PS)
1023 rt2800_config_ps(rt2x00dev, libconf);
1024 }
1025 EXPORT_SYMBOL_GPL(rt2800_config);
1026
1027 /*
1028 * Link tuning
1029 */
1030 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
1031 {
1032 u32 reg;
1033
1034 /*
1035 * Update FCS error count from register.
1036 */
1037 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1038 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
1039 }
1040 EXPORT_SYMBOL_GPL(rt2800_link_stats);
1041
1042 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
1043 {
1044 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
1045 if (rt2x00_rt(rt2x00dev, RT3070))
1046 return 0x1c + (2 * rt2x00dev->lna_gain);
1047 else
1048 return 0x2e + rt2x00dev->lna_gain;
1049 }
1050
1051 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
1052 return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
1053 else
1054 return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
1055 }
1056
1057 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
1058 struct link_qual *qual, u8 vgc_level)
1059 {
1060 if (qual->vgc_level != vgc_level) {
1061 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
1062 qual->vgc_level = vgc_level;
1063 qual->vgc_level_reg = vgc_level;
1064 }
1065 }
1066
1067 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
1068 {
1069 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
1070 }
1071 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
1072
1073 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
1074 const u32 count)
1075 {
1076 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
1077 return;
1078
1079 /*
1080 * When RSSI is better then -80 increase VGC level with 0x10
1081 */
1082 rt2800_set_vgc(rt2x00dev, qual,
1083 rt2800_get_default_vgc(rt2x00dev) +
1084 ((qual->rssi > -80) * 0x10));
1085 }
1086 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
1087
1088 /*
1089 * Initialization functions.
1090 */
1091 int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
1092 {
1093 u32 reg;
1094 unsigned int i;
1095
1096 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1097 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
1098 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
1099 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
1100 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
1101 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
1102 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1103
1104 if (rt2x00_is_usb(rt2x00dev)) {
1105 /*
1106 * Wait until BBP and RF are ready.
1107 */
1108 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1109 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
1110 if (reg && reg != ~0)
1111 break;
1112 msleep(1);
1113 }
1114
1115 if (i == REGISTER_BUSY_COUNT) {
1116 ERROR(rt2x00dev, "Unstable hardware.\n");
1117 return -EBUSY;
1118 }
1119
1120 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
1121 rt2800_register_write(rt2x00dev, PBF_SYS_CTRL,
1122 reg & ~0x00002000);
1123 } else if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev)) {
1124 /*
1125 * Reset DMA indexes
1126 */
1127 rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
1128 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
1129 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
1130 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
1131 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
1132 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
1133 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
1134 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
1135 rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
1136
1137 rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
1138 rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
1139
1140 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
1141 }
1142
1143 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1144 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
1145 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
1146 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1147
1148 if (rt2x00_is_usb(rt2x00dev)) {
1149 rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
1150 #if defined(CONFIG_RT2X00_LIB_USB) || defined(CONFIG_RT2X00_LIB_USB_MODULE)
1151 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
1152 USB_MODE_RESET, REGISTER_TIMEOUT);
1153 #endif
1154 }
1155
1156 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1157
1158 rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
1159 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
1160 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
1161 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
1162 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
1163 rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
1164
1165 rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
1166 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
1167 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
1168 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
1169 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
1170 rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
1171
1172 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
1173 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1174
1175 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1176
1177 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1178 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
1179 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
1180 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
1181 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
1182 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1183 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
1184 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1185
1186 rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
1187
1188 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
1189 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
1190 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
1191 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1192
1193 if (rt2x00_rt(rt2x00dev, RT3070)) {
1194 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
1195
1196 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
1197 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
1198 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
1199 } else {
1200 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
1201 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
1202 }
1203 } else {
1204 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
1205 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
1206 }
1207
1208 rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
1209 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
1210 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
1211 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
1212 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
1213 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
1214 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
1215 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
1216 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
1217 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
1218
1219 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
1220 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
1221 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
1222 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
1223 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
1224
1225 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
1226 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
1227 if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
1228 rt2x00_rt(rt2x00dev, RT2883) ||
1229 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
1230 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
1231 else
1232 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
1233 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
1234 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
1235 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
1236
1237 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
1238 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
1239 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
1240 rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
1241 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
1242 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
1243 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
1244 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
1245 rt2800_register_write(rt2x00dev, LED_CFG, reg);
1246
1247 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
1248
1249 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
1250 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
1251 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
1252 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
1253 rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
1254 rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
1255 rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
1256 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
1257
1258 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1259 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
1260 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
1261 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
1262 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
1263 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 1);
1264 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
1265 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
1266 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1267
1268 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
1269 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
1270 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
1271 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
1272 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1273 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1274 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1275 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1276 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1277 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1278 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
1279 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
1280
1281 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1282 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
1283 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
1284 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
1285 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1286 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1287 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1288 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1289 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1290 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1291 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
1292 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1293
1294 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1295 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
1296 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
1297 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
1298 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1299 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1300 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1301 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1302 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1303 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1304 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
1305 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1306
1307 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1308 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
1309 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL,
1310 !rt2x00_is_usb(rt2x00dev));
1311 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
1312 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1313 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1314 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1315 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1316 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1317 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1318 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
1319 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1320
1321 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1322 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
1323 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
1324 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
1325 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1326 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1327 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1328 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1329 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1330 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1331 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
1332 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1333
1334 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1335 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
1336 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
1337 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
1338 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1339 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1340 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1341 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1342 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1343 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1344 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
1345 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1346
1347 if (rt2x00_is_usb(rt2x00dev)) {
1348 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
1349
1350 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1351 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
1352 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
1353 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
1354 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
1355 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
1356 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
1357 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
1358 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
1359 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
1360 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1361 }
1362
1363 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
1364 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
1365
1366 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
1367 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
1368 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
1369 IEEE80211_MAX_RTS_THRESHOLD);
1370 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
1371 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
1372
1373 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
1374
1375 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
1376 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 32);
1377 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 32);
1378 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
1379 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
1380 rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
1381 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1382
1383 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
1384
1385 /*
1386 * ASIC will keep garbage value after boot, clear encryption keys.
1387 */
1388 for (i = 0; i < 4; i++)
1389 rt2800_register_write(rt2x00dev,
1390 SHARED_KEY_MODE_ENTRY(i), 0);
1391
1392 for (i = 0; i < 256; i++) {
1393 u32 wcid[2] = { 0xffffffff, 0x00ffffff };
1394 rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
1395 wcid, sizeof(wcid));
1396
1397 rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
1398 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
1399 }
1400
1401 /*
1402 * Clear all beacons
1403 * For the Beacon base registers we only need to clear
1404 * the first byte since that byte contains the VALID and OWNER
1405 * bits which (when set to 0) will invalidate the entire beacon.
1406 */
1407 rt2800_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1408 rt2800_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1409 rt2800_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1410 rt2800_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1411 rt2800_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
1412 rt2800_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
1413 rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
1414 rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
1415
1416 if (rt2x00_is_usb(rt2x00dev)) {
1417 rt2800_register_read(rt2x00dev, USB_CYC_CFG, &reg);
1418 rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
1419 rt2800_register_write(rt2x00dev, USB_CYC_CFG, reg);
1420 }
1421
1422 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
1423 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
1424 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
1425 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
1426 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
1427 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
1428 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
1429 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
1430 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
1431 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
1432
1433 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
1434 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
1435 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
1436 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
1437 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
1438 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
1439 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
1440 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
1441 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
1442 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
1443
1444 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
1445 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
1446 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
1447 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
1448 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
1449 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
1450 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
1451 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
1452 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
1453 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
1454
1455 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
1456 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
1457 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
1458 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
1459 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
1460 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
1461
1462 /*
1463 * We must clear the error counters.
1464 * These registers are cleared on read,
1465 * so we may pass a useless variable to store the value.
1466 */
1467 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1468 rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
1469 rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
1470 rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
1471 rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
1472 rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
1473
1474 return 0;
1475 }
1476 EXPORT_SYMBOL_GPL(rt2800_init_registers);
1477
1478 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
1479 {
1480 unsigned int i;
1481 u32 reg;
1482
1483 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1484 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
1485 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
1486 return 0;
1487
1488 udelay(REGISTER_BUSY_DELAY);
1489 }
1490
1491 ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
1492 return -EACCES;
1493 }
1494
1495 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1496 {
1497 unsigned int i;
1498 u8 value;
1499
1500 /*
1501 * BBP was enabled after firmware was loaded,
1502 * but we need to reactivate it now.
1503 */
1504 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
1505 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
1506 msleep(1);
1507
1508 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1509 rt2800_bbp_read(rt2x00dev, 0, &value);
1510 if ((value != 0xff) && (value != 0x00))
1511 return 0;
1512 udelay(REGISTER_BUSY_DELAY);
1513 }
1514
1515 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1516 return -EACCES;
1517 }
1518
1519 int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
1520 {
1521 unsigned int i;
1522 u16 eeprom;
1523 u8 reg_id;
1524 u8 value;
1525
1526 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
1527 rt2800_wait_bbp_ready(rt2x00dev)))
1528 return -EACCES;
1529
1530 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
1531 rt2800_bbp_write(rt2x00dev, 66, 0x38);
1532
1533 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
1534 rt2800_bbp_write(rt2x00dev, 69, 0x16);
1535 rt2800_bbp_write(rt2x00dev, 73, 0x12);
1536 } else {
1537 rt2800_bbp_write(rt2x00dev, 69, 0x12);
1538 rt2800_bbp_write(rt2x00dev, 73, 0x10);
1539 }
1540
1541 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
1542
1543 if (rt2x00_rt(rt2x00dev, RT3070)) {
1544 rt2800_bbp_write(rt2x00dev, 79, 0x13);
1545 rt2800_bbp_write(rt2x00dev, 80, 0x05);
1546 rt2800_bbp_write(rt2x00dev, 81, 0x33);
1547 } else {
1548 rt2800_bbp_write(rt2x00dev, 81, 0x37);
1549 }
1550
1551 rt2800_bbp_write(rt2x00dev, 82, 0x62);
1552 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
1553
1554 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D) ||
1555 rt2x00_rt_rev(rt2x00dev, RT2870, REV_RT2870D))
1556 rt2800_bbp_write(rt2x00dev, 84, 0x19);
1557 else
1558 rt2800_bbp_write(rt2x00dev, 84, 0x99);
1559
1560 rt2800_bbp_write(rt2x00dev, 86, 0x00);
1561 rt2800_bbp_write(rt2x00dev, 91, 0x04);
1562 rt2800_bbp_write(rt2x00dev, 92, 0x00);
1563
1564 if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F))
1565 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
1566 else
1567 rt2800_bbp_write(rt2x00dev, 103, 0x00);
1568
1569 rt2800_bbp_write(rt2x00dev, 105, 0x05);
1570 rt2800_bbp_write(rt2x00dev, 106, 0x35);
1571
1572 if (rt2x00_rt(rt2x00dev, RT2872)) {
1573 rt2800_bbp_write(rt2x00dev, 31, 0x08);
1574 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
1575 rt2800_bbp_write(rt2x00dev, 80, 0x08);
1576 }
1577
1578 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1579 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1580
1581 if (eeprom != 0xffff && eeprom != 0x0000) {
1582 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1583 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1584 rt2800_bbp_write(rt2x00dev, reg_id, value);
1585 }
1586 }
1587
1588 return 0;
1589 }
1590 EXPORT_SYMBOL_GPL(rt2800_init_bbp);
1591
1592 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
1593 bool bw40, u8 rfcsr24, u8 filter_target)
1594 {
1595 unsigned int i;
1596 u8 bbp;
1597 u8 rfcsr;
1598 u8 passband;
1599 u8 stopband;
1600 u8 overtuned = 0;
1601
1602 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1603
1604 rt2800_bbp_read(rt2x00dev, 4, &bbp);
1605 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
1606 rt2800_bbp_write(rt2x00dev, 4, bbp);
1607
1608 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
1609 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
1610 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
1611
1612 /*
1613 * Set power & frequency of passband test tone
1614 */
1615 rt2800_bbp_write(rt2x00dev, 24, 0);
1616
1617 for (i = 0; i < 100; i++) {
1618 rt2800_bbp_write(rt2x00dev, 25, 0x90);
1619 msleep(1);
1620
1621 rt2800_bbp_read(rt2x00dev, 55, &passband);
1622 if (passband)
1623 break;
1624 }
1625
1626 /*
1627 * Set power & frequency of stopband test tone
1628 */
1629 rt2800_bbp_write(rt2x00dev, 24, 0x06);
1630
1631 for (i = 0; i < 100; i++) {
1632 rt2800_bbp_write(rt2x00dev, 25, 0x90);
1633 msleep(1);
1634
1635 rt2800_bbp_read(rt2x00dev, 55, &stopband);
1636
1637 if ((passband - stopband) <= filter_target) {
1638 rfcsr24++;
1639 overtuned += ((passband - stopband) == filter_target);
1640 } else
1641 break;
1642
1643 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1644 }
1645
1646 rfcsr24 -= !!overtuned;
1647
1648 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1649 return rfcsr24;
1650 }
1651
1652 int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
1653 {
1654 u8 rfcsr;
1655 u8 bbp;
1656 u32 reg;
1657 u16 eeprom;
1658
1659 if (!rt2x00_rt(rt2x00dev, RT3070))
1660 return 0;
1661
1662 /*
1663 * Init RF calibration.
1664 */
1665 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1666 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1667 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1668 msleep(1);
1669 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1670 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1671
1672 if (rt2x00_rt(rt2x00dev, RT3070)) {
1673 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
1674 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
1675 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
1676 rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
1677 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
1678 rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
1679 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
1680 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
1681 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
1682 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
1683 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
1684 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
1685 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
1686 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
1687 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
1688 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
1689 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
1690 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1691 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
1692 }
1693
1694 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
1695 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
1696 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
1697 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
1698 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
1699 }
1700
1701 /*
1702 * Set RX Filter calibration for 20MHz and 40MHz
1703 */
1704 if (rt2x00_rt(rt2x00dev, RT3070)) {
1705 rt2x00dev->calibration[0] =
1706 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
1707 rt2x00dev->calibration[1] =
1708 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
1709 }
1710
1711 /*
1712 * Set back to initial state
1713 */
1714 rt2800_bbp_write(rt2x00dev, 24, 0);
1715
1716 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
1717 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
1718 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
1719
1720 /*
1721 * set BBP back to BW20
1722 */
1723 rt2800_bbp_read(rt2x00dev, 4, &bbp);
1724 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
1725 rt2800_bbp_write(rt2x00dev, 4, bbp);
1726
1727 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
1728 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
1729
1730 rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
1731 rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
1732 rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
1733
1734 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
1735 rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
1736 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &eeprom);
1737 if (rt2x00_get_field16(eeprom, EEPROM_TXMIXER_GAIN_BG_VAL) >= 1)
1738 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
1739 rt2x00_get_field16(eeprom,
1740 EEPROM_TXMIXER_GAIN_BG_VAL));
1741 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
1742
1743 if (rt2x00_rt(rt2x00dev, RT3070)) {
1744 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
1745 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
1746 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
1747 else
1748 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
1749 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
1750 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
1751 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
1752 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
1753 }
1754
1755 return 0;
1756 }
1757 EXPORT_SYMBOL_GPL(rt2800_init_rfcsr);
1758
1759 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
1760 {
1761 u32 reg;
1762
1763 rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
1764
1765 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
1766 }
1767 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
1768
1769 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
1770 {
1771 u32 reg;
1772
1773 mutex_lock(&rt2x00dev->csr_mutex);
1774
1775 rt2800_register_read_lock(rt2x00dev, EFUSE_CTRL, &reg);
1776 rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
1777 rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
1778 rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
1779 rt2800_register_write_lock(rt2x00dev, EFUSE_CTRL, reg);
1780
1781 /* Wait until the EEPROM has been loaded */
1782 rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
1783
1784 /* Apparently the data is read from end to start */
1785 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3,
1786 (u32 *)&rt2x00dev->eeprom[i]);
1787 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2,
1788 (u32 *)&rt2x00dev->eeprom[i + 2]);
1789 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1,
1790 (u32 *)&rt2x00dev->eeprom[i + 4]);
1791 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0,
1792 (u32 *)&rt2x00dev->eeprom[i + 6]);
1793
1794 mutex_unlock(&rt2x00dev->csr_mutex);
1795 }
1796
1797 void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
1798 {
1799 unsigned int i;
1800
1801 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
1802 rt2800_efuse_read(rt2x00dev, i);
1803 }
1804 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
1805
1806 int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1807 {
1808 u16 word;
1809 u8 *mac;
1810 u8 default_lna_gain;
1811
1812 /*
1813 * Start validation of the data that has been read.
1814 */
1815 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1816 if (!is_valid_ether_addr(mac)) {
1817 random_ether_addr(mac);
1818 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1819 }
1820
1821 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1822 if (word == 0xffff) {
1823 rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
1824 rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
1825 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
1826 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1827 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1828 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
1829 rt2x00_rt(rt2x00dev, RT2870) ||
1830 rt2x00_rt(rt2x00dev, RT2872) ||
1831 rt2x00_rt(rt2x00dev, RT2872)) {
1832 /*
1833 * There is a max of 2 RX streams for RT28x0 series
1834 */
1835 if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
1836 rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
1837 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1838 }
1839
1840 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1841 if (word == 0xffff) {
1842 rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
1843 rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
1844 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
1845 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
1846 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1847 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
1848 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
1849 rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
1850 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
1851 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
1852 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1853 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1854 }
1855
1856 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1857 if ((word & 0x00ff) == 0x00ff) {
1858 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1859 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
1860 LED_MODE_TXRX_ACTIVITY);
1861 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
1862 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1863 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
1864 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
1865 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
1866 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1867 }
1868
1869 /*
1870 * During the LNA validation we are going to use
1871 * lna0 as correct value. Note that EEPROM_LNA
1872 * is never validated.
1873 */
1874 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
1875 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
1876
1877 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
1878 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
1879 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
1880 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
1881 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
1882 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
1883
1884 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
1885 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
1886 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
1887 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
1888 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
1889 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
1890 default_lna_gain);
1891 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
1892
1893 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
1894 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
1895 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
1896 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
1897 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
1898 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
1899
1900 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
1901 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
1902 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
1903 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
1904 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
1905 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
1906 default_lna_gain);
1907 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
1908
1909 return 0;
1910 }
1911 EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
1912
1913 int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
1914 {
1915 u32 reg;
1916 u16 value;
1917 u16 eeprom;
1918
1919 /*
1920 * Read EEPROM word for configuration.
1921 */
1922 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1923
1924 /*
1925 * Identify RF chipset.
1926 */
1927 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1928 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
1929
1930 rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
1931 value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
1932
1933 if (!rt2x00_rt(rt2x00dev, RT2860) &&
1934 !rt2x00_rt(rt2x00dev, RT2870) &&
1935 !rt2x00_rt(rt2x00dev, RT2872) &&
1936 !rt2x00_rt(rt2x00dev, RT2883) &&
1937 !rt2x00_rt(rt2x00dev, RT3070) &&
1938 !rt2x00_rt(rt2x00dev, RT3071) &&
1939 !rt2x00_rt(rt2x00dev, RT3090) &&
1940 !rt2x00_rt(rt2x00dev, RT3390) &&
1941 !rt2x00_rt(rt2x00dev, RT3572)) {
1942 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1943 return -ENODEV;
1944 }
1945
1946 if (!rt2x00_rf(rt2x00dev, RF2820) &&
1947 !rt2x00_rf(rt2x00dev, RF2850) &&
1948 !rt2x00_rf(rt2x00dev, RF2720) &&
1949 !rt2x00_rf(rt2x00dev, RF2750) &&
1950 !rt2x00_rf(rt2x00dev, RF3020) &&
1951 !rt2x00_rf(rt2x00dev, RF2020) &&
1952 !rt2x00_rf(rt2x00dev, RF3021) &&
1953 !rt2x00_rf(rt2x00dev, RF3022) &&
1954 !rt2x00_rf(rt2x00dev, RF3052)) {
1955 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1956 return -ENODEV;
1957 }
1958
1959 /*
1960 * Identify default antenna configuration.
1961 */
1962 rt2x00dev->default_ant.tx =
1963 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH);
1964 rt2x00dev->default_ant.rx =
1965 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH);
1966
1967 /*
1968 * Read frequency offset and RF programming sequence.
1969 */
1970 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1971 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1972
1973 /*
1974 * Read external LNA informations.
1975 */
1976 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1977
1978 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
1979 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
1980 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
1981 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
1982
1983 /*
1984 * Detect if this device has an hardware controlled radio.
1985 */
1986 if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
1987 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1988
1989 /*
1990 * Store led settings, for correct led behaviour.
1991 */
1992 #ifdef CONFIG_RT2X00_LIB_LEDS
1993 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1994 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
1995 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
1996
1997 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &rt2x00dev->led_mcu_reg);
1998 #endif /* CONFIG_RT2X00_LIB_LEDS */
1999
2000 return 0;
2001 }
2002 EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
2003
2004 /*
2005 * RF value list for rt28x0
2006 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
2007 */
2008 static const struct rf_channel rf_vals[] = {
2009 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
2010 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
2011 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
2012 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
2013 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
2014 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
2015 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
2016 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
2017 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
2018 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
2019 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
2020 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
2021 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
2022 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
2023
2024 /* 802.11 UNI / HyperLan 2 */
2025 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
2026 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
2027 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
2028 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
2029 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
2030 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
2031 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
2032 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
2033 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
2034 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
2035 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
2036 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
2037
2038 /* 802.11 HyperLan 2 */
2039 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
2040 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
2041 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
2042 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
2043 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
2044 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
2045 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
2046 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
2047 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
2048 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
2049 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
2050 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
2051 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
2052 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
2053 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
2054 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
2055
2056 /* 802.11 UNII */
2057 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
2058 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
2059 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
2060 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
2061 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
2062 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
2063 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
2064 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
2065 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
2066 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
2067 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
2068
2069 /* 802.11 Japan */
2070 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
2071 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
2072 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
2073 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
2074 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
2075 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
2076 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
2077 };
2078
2079 /*
2080 * RF value list for rt3070
2081 * Supports: 2.4 GHz
2082 */
2083 static const struct rf_channel rf_vals_302x[] = {
2084 {1, 241, 2, 2 },
2085 {2, 241, 2, 7 },
2086 {3, 242, 2, 2 },
2087 {4, 242, 2, 7 },
2088 {5, 243, 2, 2 },
2089 {6, 243, 2, 7 },
2090 {7, 244, 2, 2 },
2091 {8, 244, 2, 7 },
2092 {9, 245, 2, 2 },
2093 {10, 245, 2, 7 },
2094 {11, 246, 2, 2 },
2095 {12, 246, 2, 7 },
2096 {13, 247, 2, 2 },
2097 {14, 248, 2, 4 },
2098 };
2099
2100 int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2101 {
2102 struct hw_mode_spec *spec = &rt2x00dev->spec;
2103 struct channel_info *info;
2104 char *tx_power1;
2105 char *tx_power2;
2106 unsigned int i;
2107 u16 eeprom;
2108
2109 /*
2110 * Disable powersaving as default on PCI devices.
2111 */
2112 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
2113 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
2114
2115 /*
2116 * Initialize all hw fields.
2117 */
2118 rt2x00dev->hw->flags =
2119 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
2120 IEEE80211_HW_SIGNAL_DBM |
2121 IEEE80211_HW_SUPPORTS_PS |
2122 IEEE80211_HW_PS_NULLFUNC_STACK;
2123
2124 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
2125 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2126 rt2x00_eeprom_addr(rt2x00dev,
2127 EEPROM_MAC_ADDR_0));
2128
2129 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
2130
2131 /*
2132 * Initialize hw_mode information.
2133 */
2134 spec->supported_bands = SUPPORT_BAND_2GHZ;
2135 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
2136
2137 if (rt2x00_rf(rt2x00dev, RF2820) ||
2138 rt2x00_rf(rt2x00dev, RF2720) ||
2139 rt2x00_rf(rt2x00dev, RF3052)) {
2140 spec->num_channels = 14;
2141 spec->channels = rf_vals;
2142 } else if (rt2x00_rf(rt2x00dev, RF2850) || rt2x00_rf(rt2x00dev, RF2750)) {
2143 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2144 spec->num_channels = ARRAY_SIZE(rf_vals);
2145 spec->channels = rf_vals;
2146 } else if (rt2x00_rf(rt2x00dev, RF3020) ||
2147 rt2x00_rf(rt2x00dev, RF2020) ||
2148 rt2x00_rf(rt2x00dev, RF3021) ||
2149 rt2x00_rf(rt2x00dev, RF3022)) {
2150 spec->num_channels = ARRAY_SIZE(rf_vals_302x);
2151 spec->channels = rf_vals_302x;
2152 }
2153
2154 /*
2155 * Initialize HT information.
2156 */
2157 if (!rt2x00_rf(rt2x00dev, RF2020))
2158 spec->ht.ht_supported = true;
2159 else
2160 spec->ht.ht_supported = false;
2161
2162 spec->ht.cap =
2163 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2164 IEEE80211_HT_CAP_GRN_FLD |
2165 IEEE80211_HT_CAP_SGI_20 |
2166 IEEE80211_HT_CAP_SGI_40 |
2167 IEEE80211_HT_CAP_TX_STBC |
2168 IEEE80211_HT_CAP_RX_STBC;
2169 spec->ht.ampdu_factor = 3;
2170 spec->ht.ampdu_density = 4;
2171 spec->ht.mcs.tx_params =
2172 IEEE80211_HT_MCS_TX_DEFINED |
2173 IEEE80211_HT_MCS_TX_RX_DIFF |
2174 ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) <<
2175 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
2176
2177 switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
2178 case 3:
2179 spec->ht.mcs.rx_mask[2] = 0xff;
2180 case 2:
2181 spec->ht.mcs.rx_mask[1] = 0xff;
2182 case 1:
2183 spec->ht.mcs.rx_mask[0] = 0xff;
2184 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
2185 break;
2186 }
2187
2188 /*
2189 * Create channel information array
2190 */
2191 info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
2192 if (!info)
2193 return -ENOMEM;
2194
2195 spec->channels_info = info;
2196
2197 tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
2198 tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
2199
2200 for (i = 0; i < 14; i++) {
2201 info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
2202 info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
2203 }
2204
2205 if (spec->num_channels > 14) {
2206 tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
2207 tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
2208
2209 for (i = 14; i < spec->num_channels; i++) {
2210 info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
2211 info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
2212 }
2213 }
2214
2215 return 0;
2216 }
2217 EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode);
2218
2219 /*
2220 * IEEE80211 stack callback functions.
2221 */
2222 static void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
2223 u32 *iv32, u16 *iv16)
2224 {
2225 struct rt2x00_dev *rt2x00dev = hw->priv;
2226 struct mac_iveiv_entry iveiv_entry;
2227 u32 offset;
2228
2229 offset = MAC_IVEIV_ENTRY(hw_key_idx);
2230 rt2800_register_multiread(rt2x00dev, offset,
2231 &iveiv_entry, sizeof(iveiv_entry));
2232
2233 memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16));
2234 memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32));
2235 }
2236
2237 static int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2238 {
2239 struct rt2x00_dev *rt2x00dev = hw->priv;
2240 u32 reg;
2241 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
2242
2243 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
2244 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
2245 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
2246
2247 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
2248 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
2249 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
2250
2251 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
2252 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
2253 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
2254
2255 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
2256 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
2257 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
2258
2259 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
2260 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
2261 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
2262
2263 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
2264 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
2265 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
2266
2267 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
2268 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
2269 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
2270
2271 return 0;
2272 }
2273
2274 static int rt2800_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
2275 const struct ieee80211_tx_queue_params *params)
2276 {
2277 struct rt2x00_dev *rt2x00dev = hw->priv;
2278 struct data_queue *queue;
2279 struct rt2x00_field32 field;
2280 int retval;
2281 u32 reg;
2282 u32 offset;
2283
2284 /*
2285 * First pass the configuration through rt2x00lib, that will
2286 * update the queue settings and validate the input. After that
2287 * we are free to update the registers based on the value
2288 * in the queue parameter.
2289 */
2290 retval = rt2x00mac_conf_tx(hw, queue_idx, params);
2291 if (retval)
2292 return retval;
2293
2294 /*
2295 * We only need to perform additional register initialization
2296 * for WMM queues/
2297 */
2298 if (queue_idx >= 4)
2299 return 0;
2300
2301 queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
2302
2303 /* Update WMM TXOP register */
2304 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
2305 field.bit_offset = (queue_idx & 1) * 16;
2306 field.bit_mask = 0xffff << field.bit_offset;
2307
2308 rt2800_register_read(rt2x00dev, offset, &reg);
2309 rt2x00_set_field32(&reg, field, queue->txop);
2310 rt2800_register_write(rt2x00dev, offset, reg);
2311
2312 /* Update WMM registers */
2313 field.bit_offset = queue_idx * 4;
2314 field.bit_mask = 0xf << field.bit_offset;
2315
2316 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
2317 rt2x00_set_field32(&reg, field, queue->aifs);
2318 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
2319
2320 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
2321 rt2x00_set_field32(&reg, field, queue->cw_min);
2322 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
2323
2324 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
2325 rt2x00_set_field32(&reg, field, queue->cw_max);
2326 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
2327
2328 /* Update EDCA registers */
2329 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
2330
2331 rt2800_register_read(rt2x00dev, offset, &reg);
2332 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
2333 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
2334 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
2335 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
2336 rt2800_register_write(rt2x00dev, offset, reg);
2337
2338 return 0;
2339 }
2340
2341 static u64 rt2800_get_tsf(struct ieee80211_hw *hw)
2342 {
2343 struct rt2x00_dev *rt2x00dev = hw->priv;
2344 u64 tsf;
2345 u32 reg;
2346
2347 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
2348 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
2349 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
2350 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
2351
2352 return tsf;
2353 }
2354
2355 const struct ieee80211_ops rt2800_mac80211_ops = {
2356 .tx = rt2x00mac_tx,
2357 .start = rt2x00mac_start,
2358 .stop = rt2x00mac_stop,
2359 .add_interface = rt2x00mac_add_interface,
2360 .remove_interface = rt2x00mac_remove_interface,
2361 .config = rt2x00mac_config,
2362 .configure_filter = rt2x00mac_configure_filter,
2363 .set_tim = rt2x00mac_set_tim,
2364 .set_key = rt2x00mac_set_key,
2365 .get_stats = rt2x00mac_get_stats,
2366 .get_tkip_seq = rt2800_get_tkip_seq,
2367 .set_rts_threshold = rt2800_set_rts_threshold,
2368 .bss_info_changed = rt2x00mac_bss_info_changed,
2369 .conf_tx = rt2800_conf_tx,
2370 .get_tsf = rt2800_get_tsf,
2371 .rfkill_poll = rt2x00mac_rfkill_poll,
2372 };
2373 EXPORT_SYMBOL_GPL(rt2800_mac80211_ops);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree