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[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / rt2x00 / rt2800lib.c
1 /*
2 Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
3 Copyright (C) 2010 Ivo van Doorn <IvDoorn@gmail.com>
4 Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
5 Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com>
6
7 Based on the original rt2800pci.c and rt2800usb.c.
8 Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
9 Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
10 Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
11 Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
12 Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
13 Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
14 <http://rt2x00.serialmonkey.com>
15
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 2 of the License, or
19 (at your option) any later version.
20
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
25
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, see <http://www.gnu.org/licenses/>.
28 */
29
30 /*
31 Module: rt2800lib
32 Abstract: rt2800 generic device routines.
33 */
34
35 #include <linux/crc-ccitt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/slab.h>
39
40 #include "rt2x00.h"
41 #include "rt2800lib.h"
42 #include "rt2800.h"
43
44 /*
45 * Register access.
46 * All access to the CSR registers will go through the methods
47 * rt2800_register_read and rt2800_register_write.
48 * BBP and RF register require indirect register access,
49 * and use the CSR registers BBPCSR and RFCSR to achieve this.
50 * These indirect registers work with busy bits,
51 * and we will try maximal REGISTER_BUSY_COUNT times to access
52 * the register while taking a REGISTER_BUSY_DELAY us delay
53 * between each attampt. When the busy bit is still set at that time,
54 * the access attempt is considered to have failed,
55 * and we will print an error.
56 * The _lock versions must be used if you already hold the csr_mutex
57 */
58 #define WAIT_FOR_BBP(__dev, __reg) \
59 rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
60 #define WAIT_FOR_RFCSR(__dev, __reg) \
61 rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
62 #define WAIT_FOR_RF(__dev, __reg) \
63 rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
64 #define WAIT_FOR_MCU(__dev, __reg) \
65 rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
66 H2M_MAILBOX_CSR_OWNER, (__reg))
67
68 static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev)
69 {
70 /* check for rt2872 on SoC */
71 if (!rt2x00_is_soc(rt2x00dev) ||
72 !rt2x00_rt(rt2x00dev, RT2872))
73 return false;
74
75 /* we know for sure that these rf chipsets are used on rt305x boards */
76 if (rt2x00_rf(rt2x00dev, RF3020) ||
77 rt2x00_rf(rt2x00dev, RF3021) ||
78 rt2x00_rf(rt2x00dev, RF3022))
79 return true;
80
81 rt2x00_warn(rt2x00dev, "Unknown RF chipset on rt305x\n");
82 return false;
83 }
84
85 static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
86 const unsigned int word, const u8 value)
87 {
88 u32 reg;
89
90 mutex_lock(&rt2x00dev->csr_mutex);
91
92 /*
93 * Wait until the BBP becomes available, afterwards we
94 * can safely write the new data into the register.
95 */
96 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
97 reg = 0;
98 rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
99 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
100 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
101 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
102 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
103
104 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
105 }
106
107 mutex_unlock(&rt2x00dev->csr_mutex);
108 }
109
110 static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
111 const unsigned int word, u8 *value)
112 {
113 u32 reg;
114
115 mutex_lock(&rt2x00dev->csr_mutex);
116
117 /*
118 * Wait until the BBP becomes available, afterwards we
119 * can safely write the read request into the register.
120 * After the data has been written, we wait until hardware
121 * returns the correct value, if at any time the register
122 * doesn't become available in time, reg will be 0xffffffff
123 * which means we return 0xff to the caller.
124 */
125 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
126 reg = 0;
127 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
128 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
129 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
130 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
131
132 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
133
134 WAIT_FOR_BBP(rt2x00dev, &reg);
135 }
136
137 *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
138
139 mutex_unlock(&rt2x00dev->csr_mutex);
140 }
141
142 static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
143 const unsigned int word, const u8 value)
144 {
145 u32 reg;
146
147 mutex_lock(&rt2x00dev->csr_mutex);
148
149 /*
150 * Wait until the RFCSR becomes available, afterwards we
151 * can safely write the new data into the register.
152 */
153 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
154 reg = 0;
155 rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
156 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
157 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
158 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
159
160 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
161 }
162
163 mutex_unlock(&rt2x00dev->csr_mutex);
164 }
165
166 static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
167 const unsigned int word, u8 *value)
168 {
169 u32 reg;
170
171 mutex_lock(&rt2x00dev->csr_mutex);
172
173 /*
174 * Wait until the RFCSR becomes available, afterwards we
175 * can safely write the read request into the register.
176 * After the data has been written, we wait until hardware
177 * returns the correct value, if at any time the register
178 * doesn't become available in time, reg will be 0xffffffff
179 * which means we return 0xff to the caller.
180 */
181 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
182 reg = 0;
183 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
184 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
185 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
186
187 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
188
189 WAIT_FOR_RFCSR(rt2x00dev, &reg);
190 }
191
192 *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
193
194 mutex_unlock(&rt2x00dev->csr_mutex);
195 }
196
197 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
198 const unsigned int word, const u32 value)
199 {
200 u32 reg;
201
202 mutex_lock(&rt2x00dev->csr_mutex);
203
204 /*
205 * Wait until the RF becomes available, afterwards we
206 * can safely write the new data into the register.
207 */
208 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
209 reg = 0;
210 rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
211 rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
212 rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
213 rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
214
215 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
216 rt2x00_rf_write(rt2x00dev, word, value);
217 }
218
219 mutex_unlock(&rt2x00dev->csr_mutex);
220 }
221
222 static const unsigned int rt2800_eeprom_map[EEPROM_WORD_COUNT] = {
223 [EEPROM_CHIP_ID] = 0x0000,
224 [EEPROM_VERSION] = 0x0001,
225 [EEPROM_MAC_ADDR_0] = 0x0002,
226 [EEPROM_MAC_ADDR_1] = 0x0003,
227 [EEPROM_MAC_ADDR_2] = 0x0004,
228 [EEPROM_NIC_CONF0] = 0x001a,
229 [EEPROM_NIC_CONF1] = 0x001b,
230 [EEPROM_FREQ] = 0x001d,
231 [EEPROM_LED_AG_CONF] = 0x001e,
232 [EEPROM_LED_ACT_CONF] = 0x001f,
233 [EEPROM_LED_POLARITY] = 0x0020,
234 [EEPROM_NIC_CONF2] = 0x0021,
235 [EEPROM_LNA] = 0x0022,
236 [EEPROM_RSSI_BG] = 0x0023,
237 [EEPROM_RSSI_BG2] = 0x0024,
238 [EEPROM_TXMIXER_GAIN_BG] = 0x0024, /* overlaps with RSSI_BG2 */
239 [EEPROM_RSSI_A] = 0x0025,
240 [EEPROM_RSSI_A2] = 0x0026,
241 [EEPROM_TXMIXER_GAIN_A] = 0x0026, /* overlaps with RSSI_A2 */
242 [EEPROM_EIRP_MAX_TX_POWER] = 0x0027,
243 [EEPROM_TXPOWER_DELTA] = 0x0028,
244 [EEPROM_TXPOWER_BG1] = 0x0029,
245 [EEPROM_TXPOWER_BG2] = 0x0030,
246 [EEPROM_TSSI_BOUND_BG1] = 0x0037,
247 [EEPROM_TSSI_BOUND_BG2] = 0x0038,
248 [EEPROM_TSSI_BOUND_BG3] = 0x0039,
249 [EEPROM_TSSI_BOUND_BG4] = 0x003a,
250 [EEPROM_TSSI_BOUND_BG5] = 0x003b,
251 [EEPROM_TXPOWER_A1] = 0x003c,
252 [EEPROM_TXPOWER_A2] = 0x0053,
253 [EEPROM_TSSI_BOUND_A1] = 0x006a,
254 [EEPROM_TSSI_BOUND_A2] = 0x006b,
255 [EEPROM_TSSI_BOUND_A3] = 0x006c,
256 [EEPROM_TSSI_BOUND_A4] = 0x006d,
257 [EEPROM_TSSI_BOUND_A5] = 0x006e,
258 [EEPROM_TXPOWER_BYRATE] = 0x006f,
259 [EEPROM_BBP_START] = 0x0078,
260 };
261
262 static const unsigned int rt2800_eeprom_map_ext[EEPROM_WORD_COUNT] = {
263 [EEPROM_CHIP_ID] = 0x0000,
264 [EEPROM_VERSION] = 0x0001,
265 [EEPROM_MAC_ADDR_0] = 0x0002,
266 [EEPROM_MAC_ADDR_1] = 0x0003,
267 [EEPROM_MAC_ADDR_2] = 0x0004,
268 [EEPROM_NIC_CONF0] = 0x001a,
269 [EEPROM_NIC_CONF1] = 0x001b,
270 [EEPROM_NIC_CONF2] = 0x001c,
271 [EEPROM_EIRP_MAX_TX_POWER] = 0x0020,
272 [EEPROM_FREQ] = 0x0022,
273 [EEPROM_LED_AG_CONF] = 0x0023,
274 [EEPROM_LED_ACT_CONF] = 0x0024,
275 [EEPROM_LED_POLARITY] = 0x0025,
276 [EEPROM_LNA] = 0x0026,
277 [EEPROM_EXT_LNA2] = 0x0027,
278 [EEPROM_RSSI_BG] = 0x0028,
279 [EEPROM_RSSI_BG2] = 0x0029,
280 [EEPROM_RSSI_A] = 0x002a,
281 [EEPROM_RSSI_A2] = 0x002b,
282 [EEPROM_TXPOWER_BG1] = 0x0030,
283 [EEPROM_TXPOWER_BG2] = 0x0037,
284 [EEPROM_EXT_TXPOWER_BG3] = 0x003e,
285 [EEPROM_TSSI_BOUND_BG1] = 0x0045,
286 [EEPROM_TSSI_BOUND_BG2] = 0x0046,
287 [EEPROM_TSSI_BOUND_BG3] = 0x0047,
288 [EEPROM_TSSI_BOUND_BG4] = 0x0048,
289 [EEPROM_TSSI_BOUND_BG5] = 0x0049,
290 [EEPROM_TXPOWER_A1] = 0x004b,
291 [EEPROM_TXPOWER_A2] = 0x0065,
292 [EEPROM_EXT_TXPOWER_A3] = 0x007f,
293 [EEPROM_TSSI_BOUND_A1] = 0x009a,
294 [EEPROM_TSSI_BOUND_A2] = 0x009b,
295 [EEPROM_TSSI_BOUND_A3] = 0x009c,
296 [EEPROM_TSSI_BOUND_A4] = 0x009d,
297 [EEPROM_TSSI_BOUND_A5] = 0x009e,
298 [EEPROM_TXPOWER_BYRATE] = 0x00a0,
299 };
300
301 static unsigned int rt2800_eeprom_word_index(struct rt2x00_dev *rt2x00dev,
302 const enum rt2800_eeprom_word word)
303 {
304 const unsigned int *map;
305 unsigned int index;
306
307 if (WARN_ONCE(word >= EEPROM_WORD_COUNT,
308 "%s: invalid EEPROM word %d\n",
309 wiphy_name(rt2x00dev->hw->wiphy), word))
310 return 0;
311
312 if (rt2x00_rt(rt2x00dev, RT3593))
313 map = rt2800_eeprom_map_ext;
314 else
315 map = rt2800_eeprom_map;
316
317 index = map[word];
318
319 /* Index 0 is valid only for EEPROM_CHIP_ID.
320 * Otherwise it means that the offset of the
321 * given word is not initialized in the map,
322 * or that the field is not usable on the
323 * actual chipset.
324 */
325 WARN_ONCE(word != EEPROM_CHIP_ID && index == 0,
326 "%s: invalid access of EEPROM word %d\n",
327 wiphy_name(rt2x00dev->hw->wiphy), word);
328
329 return index;
330 }
331
332 static void *rt2800_eeprom_addr(struct rt2x00_dev *rt2x00dev,
333 const enum rt2800_eeprom_word word)
334 {
335 unsigned int index;
336
337 index = rt2800_eeprom_word_index(rt2x00dev, word);
338 return rt2x00_eeprom_addr(rt2x00dev, index);
339 }
340
341 static void rt2800_eeprom_read(struct rt2x00_dev *rt2x00dev,
342 const enum rt2800_eeprom_word word, u16 *data)
343 {
344 unsigned int index;
345
346 index = rt2800_eeprom_word_index(rt2x00dev, word);
347 rt2x00_eeprom_read(rt2x00dev, index, data);
348 }
349
350 static void rt2800_eeprom_write(struct rt2x00_dev *rt2x00dev,
351 const enum rt2800_eeprom_word word, u16 data)
352 {
353 unsigned int index;
354
355 index = rt2800_eeprom_word_index(rt2x00dev, word);
356 rt2x00_eeprom_write(rt2x00dev, index, data);
357 }
358
359 static void rt2800_eeprom_read_from_array(struct rt2x00_dev *rt2x00dev,
360 const enum rt2800_eeprom_word array,
361 unsigned int offset,
362 u16 *data)
363 {
364 unsigned int index;
365
366 index = rt2800_eeprom_word_index(rt2x00dev, array);
367 rt2x00_eeprom_read(rt2x00dev, index + offset, data);
368 }
369
370 static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev)
371 {
372 u32 reg;
373 int i, count;
374
375 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
376 if (rt2x00_get_field32(reg, WLAN_EN))
377 return 0;
378
379 rt2x00_set_field32(&reg, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff);
380 rt2x00_set_field32(&reg, FRC_WL_ANT_SET, 1);
381 rt2x00_set_field32(&reg, WLAN_CLK_EN, 0);
382 rt2x00_set_field32(&reg, WLAN_EN, 1);
383 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
384
385 udelay(REGISTER_BUSY_DELAY);
386
387 count = 0;
388 do {
389 /*
390 * Check PLL_LD & XTAL_RDY.
391 */
392 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
393 rt2800_register_read(rt2x00dev, CMB_CTRL, &reg);
394 if (rt2x00_get_field32(reg, PLL_LD) &&
395 rt2x00_get_field32(reg, XTAL_RDY))
396 break;
397 udelay(REGISTER_BUSY_DELAY);
398 }
399
400 if (i >= REGISTER_BUSY_COUNT) {
401
402 if (count >= 10)
403 return -EIO;
404
405 rt2800_register_write(rt2x00dev, 0x58, 0x018);
406 udelay(REGISTER_BUSY_DELAY);
407 rt2800_register_write(rt2x00dev, 0x58, 0x418);
408 udelay(REGISTER_BUSY_DELAY);
409 rt2800_register_write(rt2x00dev, 0x58, 0x618);
410 udelay(REGISTER_BUSY_DELAY);
411 count++;
412 } else {
413 count = 0;
414 }
415
416 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
417 rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 0);
418 rt2x00_set_field32(&reg, WLAN_CLK_EN, 1);
419 rt2x00_set_field32(&reg, WLAN_RESET, 1);
420 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
421 udelay(10);
422 rt2x00_set_field32(&reg, WLAN_RESET, 0);
423 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
424 udelay(10);
425 rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff);
426 } while (count != 0);
427
428 return 0;
429 }
430
431 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
432 const u8 command, const u8 token,
433 const u8 arg0, const u8 arg1)
434 {
435 u32 reg;
436
437 /*
438 * SOC devices don't support MCU requests.
439 */
440 if (rt2x00_is_soc(rt2x00dev))
441 return;
442
443 mutex_lock(&rt2x00dev->csr_mutex);
444
445 /*
446 * Wait until the MCU becomes available, afterwards we
447 * can safely write the new data into the register.
448 */
449 if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
450 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
451 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
452 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
453 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
454 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
455
456 reg = 0;
457 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
458 rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
459 }
460
461 mutex_unlock(&rt2x00dev->csr_mutex);
462 }
463 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
464
465 int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
466 {
467 unsigned int i = 0;
468 u32 reg;
469
470 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
471 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
472 if (reg && reg != ~0)
473 return 0;
474 msleep(1);
475 }
476
477 rt2x00_err(rt2x00dev, "Unstable hardware\n");
478 return -EBUSY;
479 }
480 EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
481
482 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
483 {
484 unsigned int i;
485 u32 reg;
486
487 /*
488 * Some devices are really slow to respond here. Wait a whole second
489 * before timing out.
490 */
491 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
492 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
493 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
494 !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
495 return 0;
496
497 msleep(10);
498 }
499
500 rt2x00_err(rt2x00dev, "WPDMA TX/RX busy [0x%08x]\n", reg);
501 return -EACCES;
502 }
503 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
504
505 void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev)
506 {
507 u32 reg;
508
509 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
510 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
511 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
512 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
513 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
514 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
515 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
516 }
517 EXPORT_SYMBOL_GPL(rt2800_disable_wpdma);
518
519 void rt2800_get_txwi_rxwi_size(struct rt2x00_dev *rt2x00dev,
520 unsigned short *txwi_size,
521 unsigned short *rxwi_size)
522 {
523 switch (rt2x00dev->chip.rt) {
524 case RT3593:
525 *txwi_size = TXWI_DESC_SIZE_4WORDS;
526 *rxwi_size = RXWI_DESC_SIZE_5WORDS;
527 break;
528
529 case RT5592:
530 *txwi_size = TXWI_DESC_SIZE_5WORDS;
531 *rxwi_size = RXWI_DESC_SIZE_6WORDS;
532 break;
533
534 default:
535 *txwi_size = TXWI_DESC_SIZE_4WORDS;
536 *rxwi_size = RXWI_DESC_SIZE_4WORDS;
537 break;
538 }
539 }
540 EXPORT_SYMBOL_GPL(rt2800_get_txwi_rxwi_size);
541
542 static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
543 {
544 u16 fw_crc;
545 u16 crc;
546
547 /*
548 * The last 2 bytes in the firmware array are the crc checksum itself,
549 * this means that we should never pass those 2 bytes to the crc
550 * algorithm.
551 */
552 fw_crc = (data[len - 2] << 8 | data[len - 1]);
553
554 /*
555 * Use the crc ccitt algorithm.
556 * This will return the same value as the legacy driver which
557 * used bit ordering reversion on the both the firmware bytes
558 * before input input as well as on the final output.
559 * Obviously using crc ccitt directly is much more efficient.
560 */
561 crc = crc_ccitt(~0, data, len - 2);
562
563 /*
564 * There is a small difference between the crc-itu-t + bitrev and
565 * the crc-ccitt crc calculation. In the latter method the 2 bytes
566 * will be swapped, use swab16 to convert the crc to the correct
567 * value.
568 */
569 crc = swab16(crc);
570
571 return fw_crc == crc;
572 }
573
574 int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
575 const u8 *data, const size_t len)
576 {
577 size_t offset = 0;
578 size_t fw_len;
579 bool multiple;
580
581 /*
582 * PCI(e) & SOC devices require firmware with a length
583 * of 8kb. USB devices require firmware files with a length
584 * of 4kb. Certain USB chipsets however require different firmware,
585 * which Ralink only provides attached to the original firmware
586 * file. Thus for USB devices, firmware files have a length
587 * which is a multiple of 4kb. The firmware for rt3290 chip also
588 * have a length which is a multiple of 4kb.
589 */
590 if (rt2x00_is_usb(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3290))
591 fw_len = 4096;
592 else
593 fw_len = 8192;
594
595 multiple = true;
596 /*
597 * Validate the firmware length
598 */
599 if (len != fw_len && (!multiple || (len % fw_len) != 0))
600 return FW_BAD_LENGTH;
601
602 /*
603 * Check if the chipset requires one of the upper parts
604 * of the firmware.
605 */
606 if (rt2x00_is_usb(rt2x00dev) &&
607 !rt2x00_rt(rt2x00dev, RT2860) &&
608 !rt2x00_rt(rt2x00dev, RT2872) &&
609 !rt2x00_rt(rt2x00dev, RT3070) &&
610 ((len / fw_len) == 1))
611 return FW_BAD_VERSION;
612
613 /*
614 * 8kb firmware files must be checked as if it were
615 * 2 separate firmware files.
616 */
617 while (offset < len) {
618 if (!rt2800_check_firmware_crc(data + offset, fw_len))
619 return FW_BAD_CRC;
620
621 offset += fw_len;
622 }
623
624 return FW_OK;
625 }
626 EXPORT_SYMBOL_GPL(rt2800_check_firmware);
627
628 int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
629 const u8 *data, const size_t len)
630 {
631 unsigned int i;
632 u32 reg;
633 int retval;
634
635 if (rt2x00_rt(rt2x00dev, RT3290)) {
636 retval = rt2800_enable_wlan_rt3290(rt2x00dev);
637 if (retval)
638 return -EBUSY;
639 }
640
641 /*
642 * If driver doesn't wake up firmware here,
643 * rt2800_load_firmware will hang forever when interface is up again.
644 */
645 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
646
647 /*
648 * Wait for stable hardware.
649 */
650 if (rt2800_wait_csr_ready(rt2x00dev))
651 return -EBUSY;
652
653 if (rt2x00_is_pci(rt2x00dev)) {
654 if (rt2x00_rt(rt2x00dev, RT3290) ||
655 rt2x00_rt(rt2x00dev, RT3572) ||
656 rt2x00_rt(rt2x00dev, RT5390) ||
657 rt2x00_rt(rt2x00dev, RT5392)) {
658 rt2800_register_read(rt2x00dev, AUX_CTRL, &reg);
659 rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
660 rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
661 rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
662 }
663 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
664 }
665
666 rt2800_disable_wpdma(rt2x00dev);
667
668 /*
669 * Write firmware to the device.
670 */
671 rt2800_drv_write_firmware(rt2x00dev, data, len);
672
673 /*
674 * Wait for device to stabilize.
675 */
676 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
677 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
678 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
679 break;
680 msleep(1);
681 }
682
683 if (i == REGISTER_BUSY_COUNT) {
684 rt2x00_err(rt2x00dev, "PBF system register not ready\n");
685 return -EBUSY;
686 }
687
688 /*
689 * Disable DMA, will be reenabled later when enabling
690 * the radio.
691 */
692 rt2800_disable_wpdma(rt2x00dev);
693
694 /*
695 * Initialize firmware.
696 */
697 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
698 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
699 if (rt2x00_is_usb(rt2x00dev)) {
700 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
701 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
702 }
703 msleep(1);
704
705 return 0;
706 }
707 EXPORT_SYMBOL_GPL(rt2800_load_firmware);
708
709 void rt2800_write_tx_data(struct queue_entry *entry,
710 struct txentry_desc *txdesc)
711 {
712 __le32 *txwi = rt2800_drv_get_txwi(entry);
713 u32 word;
714 int i;
715
716 /*
717 * Initialize TX Info descriptor
718 */
719 rt2x00_desc_read(txwi, 0, &word);
720 rt2x00_set_field32(&word, TXWI_W0_FRAG,
721 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
722 rt2x00_set_field32(&word, TXWI_W0_MIMO_PS,
723 test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags));
724 rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
725 rt2x00_set_field32(&word, TXWI_W0_TS,
726 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
727 rt2x00_set_field32(&word, TXWI_W0_AMPDU,
728 test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
729 rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY,
730 txdesc->u.ht.mpdu_density);
731 rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop);
732 rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs);
733 rt2x00_set_field32(&word, TXWI_W0_BW,
734 test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
735 rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
736 test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
737 rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc);
738 rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
739 rt2x00_desc_write(txwi, 0, word);
740
741 rt2x00_desc_read(txwi, 1, &word);
742 rt2x00_set_field32(&word, TXWI_W1_ACK,
743 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
744 rt2x00_set_field32(&word, TXWI_W1_NSEQ,
745 test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
746 rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
747 rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
748 test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
749 txdesc->key_idx : txdesc->u.ht.wcid);
750 rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
751 txdesc->length);
752 rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
753 rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
754 rt2x00_desc_write(txwi, 1, word);
755
756 /*
757 * Always write 0 to IV/EIV fields (word 2 and 3), hardware will insert
758 * the IV from the IVEIV register when TXD_W3_WIV is set to 0.
759 * When TXD_W3_WIV is set to 1 it will use the IV data
760 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
761 * crypto entry in the registers should be used to encrypt the frame.
762 *
763 * Nulify all remaining words as well, we don't know how to program them.
764 */
765 for (i = 2; i < entry->queue->winfo_size / sizeof(__le32); i++)
766 _rt2x00_desc_write(txwi, i, 0);
767 }
768 EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
769
770 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
771 {
772 s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
773 s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
774 s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
775 u16 eeprom;
776 u8 offset0;
777 u8 offset1;
778 u8 offset2;
779
780 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
781 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &eeprom);
782 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
783 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
784 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
785 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2);
786 } else {
787 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &eeprom);
788 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0);
789 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1);
790 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
791 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2);
792 }
793
794 /*
795 * Convert the value from the descriptor into the RSSI value
796 * If the value in the descriptor is 0, it is considered invalid
797 * and the default (extremely low) rssi value is assumed
798 */
799 rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128;
800 rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128;
801 rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128;
802
803 /*
804 * mac80211 only accepts a single RSSI value. Calculating the
805 * average doesn't deliver a fair answer either since -60:-60 would
806 * be considered equally good as -50:-70 while the second is the one
807 * which gives less energy...
808 */
809 rssi0 = max(rssi0, rssi1);
810 return (int)max(rssi0, rssi2);
811 }
812
813 void rt2800_process_rxwi(struct queue_entry *entry,
814 struct rxdone_entry_desc *rxdesc)
815 {
816 __le32 *rxwi = (__le32 *) entry->skb->data;
817 u32 word;
818
819 rt2x00_desc_read(rxwi, 0, &word);
820
821 rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF);
822 rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
823
824 rt2x00_desc_read(rxwi, 1, &word);
825
826 if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI))
827 rxdesc->flags |= RX_FLAG_SHORT_GI;
828
829 if (rt2x00_get_field32(word, RXWI_W1_BW))
830 rxdesc->flags |= RX_FLAG_40MHZ;
831
832 /*
833 * Detect RX rate, always use MCS as signal type.
834 */
835 rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
836 rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS);
837 rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE);
838
839 /*
840 * Mask of 0x8 bit to remove the short preamble flag.
841 */
842 if (rxdesc->rate_mode == RATE_MODE_CCK)
843 rxdesc->signal &= ~0x8;
844
845 rt2x00_desc_read(rxwi, 2, &word);
846
847 /*
848 * Convert descriptor AGC value to RSSI value.
849 */
850 rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word);
851 /*
852 * Remove RXWI descriptor from start of the buffer.
853 */
854 skb_pull(entry->skb, entry->queue->winfo_size);
855 }
856 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
857
858 void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
859 {
860 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
861 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
862 struct txdone_entry_desc txdesc;
863 u32 word;
864 u16 mcs, real_mcs;
865 int aggr, ampdu;
866
867 /*
868 * Obtain the status about this packet.
869 */
870 txdesc.flags = 0;
871 rt2x00_desc_read(txwi, 0, &word);
872
873 mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
874 ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
875
876 real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
877 aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
878
879 /*
880 * If a frame was meant to be sent as a single non-aggregated MPDU
881 * but ended up in an aggregate the used tx rate doesn't correlate
882 * with the one specified in the TXWI as the whole aggregate is sent
883 * with the same rate.
884 *
885 * For example: two frames are sent to rt2x00, the first one sets
886 * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
887 * and requests MCS15. If the hw aggregates both frames into one
888 * AMDPU the tx status for both frames will contain MCS7 although
889 * the frame was sent successfully.
890 *
891 * Hence, replace the requested rate with the real tx rate to not
892 * confuse the rate control algortihm by providing clearly wrong
893 * data.
894 */
895 if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) {
896 skbdesc->tx_rate_idx = real_mcs;
897 mcs = real_mcs;
898 }
899
900 if (aggr == 1 || ampdu == 1)
901 __set_bit(TXDONE_AMPDU, &txdesc.flags);
902
903 /*
904 * Ralink has a retry mechanism using a global fallback
905 * table. We setup this fallback table to try the immediate
906 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
907 * always contains the MCS used for the last transmission, be
908 * it successful or not.
909 */
910 if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
911 /*
912 * Transmission succeeded. The number of retries is
913 * mcs - real_mcs
914 */
915 __set_bit(TXDONE_SUCCESS, &txdesc.flags);
916 txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
917 } else {
918 /*
919 * Transmission failed. The number of retries is
920 * always 7 in this case (for a total number of 8
921 * frames sent).
922 */
923 __set_bit(TXDONE_FAILURE, &txdesc.flags);
924 txdesc.retry = rt2x00dev->long_retry;
925 }
926
927 /*
928 * the frame was retried at least once
929 * -> hw used fallback rates
930 */
931 if (txdesc.retry)
932 __set_bit(TXDONE_FALLBACK, &txdesc.flags);
933
934 rt2x00lib_txdone(entry, &txdesc);
935 }
936 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
937
938 static unsigned int rt2800_hw_beacon_base(struct rt2x00_dev *rt2x00dev,
939 unsigned int index)
940 {
941 return HW_BEACON_BASE(index);
942 }
943
944 static inline u8 rt2800_get_beacon_offset(struct rt2x00_dev *rt2x00dev,
945 unsigned int index)
946 {
947 return BEACON_BASE_TO_OFFSET(rt2800_hw_beacon_base(rt2x00dev, index));
948 }
949
950 static void rt2800_update_beacons_setup(struct rt2x00_dev *rt2x00dev)
951 {
952 struct data_queue *queue = rt2x00dev->bcn;
953 struct queue_entry *entry;
954 int i, bcn_num = 0;
955 u64 off, reg = 0;
956 u32 bssid_dw1;
957
958 /*
959 * Setup offsets of all active beacons in BCN_OFFSET{0,1} registers.
960 */
961 for (i = 0; i < queue->limit; i++) {
962 entry = &queue->entries[i];
963 if (!test_bit(ENTRY_BCN_ENABLED, &entry->flags))
964 continue;
965 off = rt2800_get_beacon_offset(rt2x00dev, entry->entry_idx);
966 reg |= off << (8 * bcn_num);
967 bcn_num++;
968 }
969
970 WARN_ON_ONCE(bcn_num != rt2x00dev->intf_beaconing);
971
972 rt2800_register_write(rt2x00dev, BCN_OFFSET0, (u32) reg);
973 rt2800_register_write(rt2x00dev, BCN_OFFSET1, (u32) (reg >> 32));
974
975 /*
976 * H/W sends up to MAC_BSSID_DW1_BSS_BCN_NUM + 1 consecutive beacons.
977 */
978 rt2800_register_read(rt2x00dev, MAC_BSSID_DW1, &bssid_dw1);
979 rt2x00_set_field32(&bssid_dw1, MAC_BSSID_DW1_BSS_BCN_NUM,
980 bcn_num > 0 ? bcn_num - 1 : 0);
981 rt2800_register_write(rt2x00dev, MAC_BSSID_DW1, bssid_dw1);
982 }
983
984 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
985 {
986 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
987 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
988 unsigned int beacon_base;
989 unsigned int padding_len;
990 u32 orig_reg, reg;
991 const int txwi_desc_size = entry->queue->winfo_size;
992
993 /*
994 * Disable beaconing while we are reloading the beacon data,
995 * otherwise we might be sending out invalid data.
996 */
997 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
998 orig_reg = reg;
999 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1000 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1001
1002 /*
1003 * Add space for the TXWI in front of the skb.
1004 */
1005 memset(skb_push(entry->skb, txwi_desc_size), 0, txwi_desc_size);
1006
1007 /*
1008 * Register descriptor details in skb frame descriptor.
1009 */
1010 skbdesc->flags |= SKBDESC_DESC_IN_SKB;
1011 skbdesc->desc = entry->skb->data;
1012 skbdesc->desc_len = txwi_desc_size;
1013
1014 /*
1015 * Add the TXWI for the beacon to the skb.
1016 */
1017 rt2800_write_tx_data(entry, txdesc);
1018
1019 /*
1020 * Dump beacon to userspace through debugfs.
1021 */
1022 rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
1023
1024 /*
1025 * Write entire beacon with TXWI and padding to register.
1026 */
1027 padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
1028 if (padding_len && skb_pad(entry->skb, padding_len)) {
1029 rt2x00_err(rt2x00dev, "Failure padding beacon, aborting\n");
1030 /* skb freed by skb_pad() on failure */
1031 entry->skb = NULL;
1032 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1033 return;
1034 }
1035
1036 beacon_base = rt2800_hw_beacon_base(rt2x00dev, entry->entry_idx);
1037
1038 rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
1039 entry->skb->len + padding_len);
1040 __set_bit(ENTRY_BCN_ENABLED, &entry->flags);
1041
1042 /*
1043 * Change global beacons settings.
1044 */
1045 rt2800_update_beacons_setup(rt2x00dev);
1046
1047 /*
1048 * Restore beaconing state.
1049 */
1050 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1051
1052 /*
1053 * Clean up beacon skb.
1054 */
1055 dev_kfree_skb_any(entry->skb);
1056 entry->skb = NULL;
1057 }
1058 EXPORT_SYMBOL_GPL(rt2800_write_beacon);
1059
1060 static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
1061 unsigned int index)
1062 {
1063 int i;
1064 const int txwi_desc_size = rt2x00dev->bcn->winfo_size;
1065 unsigned int beacon_base;
1066
1067 beacon_base = rt2800_hw_beacon_base(rt2x00dev, index);
1068
1069 /*
1070 * For the Beacon base registers we only need to clear
1071 * the whole TXWI which (when set to 0) will invalidate
1072 * the entire beacon.
1073 */
1074 for (i = 0; i < txwi_desc_size; i += sizeof(__le32))
1075 rt2800_register_write(rt2x00dev, beacon_base + i, 0);
1076 }
1077
1078 void rt2800_clear_beacon(struct queue_entry *entry)
1079 {
1080 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1081 u32 orig_reg, reg;
1082
1083 /*
1084 * Disable beaconing while we are reloading the beacon data,
1085 * otherwise we might be sending out invalid data.
1086 */
1087 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &orig_reg);
1088 reg = orig_reg;
1089 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1090 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1091
1092 /*
1093 * Clear beacon.
1094 */
1095 rt2800_clear_beacon_register(rt2x00dev, entry->entry_idx);
1096 __clear_bit(ENTRY_BCN_ENABLED, &entry->flags);
1097
1098 /*
1099 * Change global beacons settings.
1100 */
1101 rt2800_update_beacons_setup(rt2x00dev);
1102 /*
1103 * Restore beaconing state.
1104 */
1105 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1106 }
1107 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
1108
1109 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1110 const struct rt2x00debug rt2800_rt2x00debug = {
1111 .owner = THIS_MODULE,
1112 .csr = {
1113 .read = rt2800_register_read,
1114 .write = rt2800_register_write,
1115 .flags = RT2X00DEBUGFS_OFFSET,
1116 .word_base = CSR_REG_BASE,
1117 .word_size = sizeof(u32),
1118 .word_count = CSR_REG_SIZE / sizeof(u32),
1119 },
1120 .eeprom = {
1121 /* NOTE: The local EEPROM access functions can't
1122 * be used here, use the generic versions instead.
1123 */
1124 .read = rt2x00_eeprom_read,
1125 .write = rt2x00_eeprom_write,
1126 .word_base = EEPROM_BASE,
1127 .word_size = sizeof(u16),
1128 .word_count = EEPROM_SIZE / sizeof(u16),
1129 },
1130 .bbp = {
1131 .read = rt2800_bbp_read,
1132 .write = rt2800_bbp_write,
1133 .word_base = BBP_BASE,
1134 .word_size = sizeof(u8),
1135 .word_count = BBP_SIZE / sizeof(u8),
1136 },
1137 .rf = {
1138 .read = rt2x00_rf_read,
1139 .write = rt2800_rf_write,
1140 .word_base = RF_BASE,
1141 .word_size = sizeof(u32),
1142 .word_count = RF_SIZE / sizeof(u32),
1143 },
1144 .rfcsr = {
1145 .read = rt2800_rfcsr_read,
1146 .write = rt2800_rfcsr_write,
1147 .word_base = RFCSR_BASE,
1148 .word_size = sizeof(u8),
1149 .word_count = RFCSR_SIZE / sizeof(u8),
1150 },
1151 };
1152 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
1153 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1154
1155 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
1156 {
1157 u32 reg;
1158
1159 if (rt2x00_rt(rt2x00dev, RT3290)) {
1160 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
1161 return rt2x00_get_field32(reg, WLAN_GPIO_IN_BIT0);
1162 } else {
1163 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
1164 return rt2x00_get_field32(reg, GPIO_CTRL_VAL2);
1165 }
1166 }
1167 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
1168
1169 #ifdef CONFIG_RT2X00_LIB_LEDS
1170 static void rt2800_brightness_set(struct led_classdev *led_cdev,
1171 enum led_brightness brightness)
1172 {
1173 struct rt2x00_led *led =
1174 container_of(led_cdev, struct rt2x00_led, led_dev);
1175 unsigned int enabled = brightness != LED_OFF;
1176 unsigned int bg_mode =
1177 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
1178 unsigned int polarity =
1179 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
1180 EEPROM_FREQ_LED_POLARITY);
1181 unsigned int ledmode =
1182 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
1183 EEPROM_FREQ_LED_MODE);
1184 u32 reg;
1185
1186 /* Check for SoC (SOC devices don't support MCU requests) */
1187 if (rt2x00_is_soc(led->rt2x00dev)) {
1188 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
1189
1190 /* Set LED Polarity */
1191 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
1192
1193 /* Set LED Mode */
1194 if (led->type == LED_TYPE_RADIO) {
1195 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
1196 enabled ? 3 : 0);
1197 } else if (led->type == LED_TYPE_ASSOC) {
1198 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
1199 enabled ? 3 : 0);
1200 } else if (led->type == LED_TYPE_QUALITY) {
1201 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
1202 enabled ? 3 : 0);
1203 }
1204
1205 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
1206
1207 } else {
1208 if (led->type == LED_TYPE_RADIO) {
1209 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
1210 enabled ? 0x20 : 0);
1211 } else if (led->type == LED_TYPE_ASSOC) {
1212 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
1213 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
1214 } else if (led->type == LED_TYPE_QUALITY) {
1215 /*
1216 * The brightness is divided into 6 levels (0 - 5),
1217 * The specs tell us the following levels:
1218 * 0, 1 ,3, 7, 15, 31
1219 * to determine the level in a simple way we can simply
1220 * work with bitshifting:
1221 * (1 << level) - 1
1222 */
1223 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
1224 (1 << brightness / (LED_FULL / 6)) - 1,
1225 polarity);
1226 }
1227 }
1228 }
1229
1230 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
1231 struct rt2x00_led *led, enum led_type type)
1232 {
1233 led->rt2x00dev = rt2x00dev;
1234 led->type = type;
1235 led->led_dev.brightness_set = rt2800_brightness_set;
1236 led->flags = LED_INITIALIZED;
1237 }
1238 #endif /* CONFIG_RT2X00_LIB_LEDS */
1239
1240 /*
1241 * Configuration handlers.
1242 */
1243 static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
1244 const u8 *address,
1245 int wcid)
1246 {
1247 struct mac_wcid_entry wcid_entry;
1248 u32 offset;
1249
1250 offset = MAC_WCID_ENTRY(wcid);
1251
1252 memset(&wcid_entry, 0xff, sizeof(wcid_entry));
1253 if (address)
1254 memcpy(wcid_entry.mac, address, ETH_ALEN);
1255
1256 rt2800_register_multiwrite(rt2x00dev, offset,
1257 &wcid_entry, sizeof(wcid_entry));
1258 }
1259
1260 static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
1261 {
1262 u32 offset;
1263 offset = MAC_WCID_ATTR_ENTRY(wcid);
1264 rt2800_register_write(rt2x00dev, offset, 0);
1265 }
1266
1267 static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
1268 int wcid, u32 bssidx)
1269 {
1270 u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
1271 u32 reg;
1272
1273 /*
1274 * The BSS Idx numbers is split in a main value of 3 bits,
1275 * and a extended field for adding one additional bit to the value.
1276 */
1277 rt2800_register_read(rt2x00dev, offset, &reg);
1278 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
1279 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
1280 (bssidx & 0x8) >> 3);
1281 rt2800_register_write(rt2x00dev, offset, reg);
1282 }
1283
1284 static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
1285 struct rt2x00lib_crypto *crypto,
1286 struct ieee80211_key_conf *key)
1287 {
1288 struct mac_iveiv_entry iveiv_entry;
1289 u32 offset;
1290 u32 reg;
1291
1292 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
1293
1294 if (crypto->cmd == SET_KEY) {
1295 rt2800_register_read(rt2x00dev, offset, &reg);
1296 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
1297 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
1298 /*
1299 * Both the cipher as the BSS Idx numbers are split in a main
1300 * value of 3 bits, and a extended field for adding one additional
1301 * bit to the value.
1302 */
1303 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
1304 (crypto->cipher & 0x7));
1305 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
1306 (crypto->cipher & 0x8) >> 3);
1307 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
1308 rt2800_register_write(rt2x00dev, offset, reg);
1309 } else {
1310 /* Delete the cipher without touching the bssidx */
1311 rt2800_register_read(rt2x00dev, offset, &reg);
1312 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
1313 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER, 0);
1314 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
1315 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
1316 rt2800_register_write(rt2x00dev, offset, reg);
1317 }
1318
1319 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
1320
1321 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
1322 if ((crypto->cipher == CIPHER_TKIP) ||
1323 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
1324 (crypto->cipher == CIPHER_AES))
1325 iveiv_entry.iv[3] |= 0x20;
1326 iveiv_entry.iv[3] |= key->keyidx << 6;
1327 rt2800_register_multiwrite(rt2x00dev, offset,
1328 &iveiv_entry, sizeof(iveiv_entry));
1329 }
1330
1331 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
1332 struct rt2x00lib_crypto *crypto,
1333 struct ieee80211_key_conf *key)
1334 {
1335 struct hw_key_entry key_entry;
1336 struct rt2x00_field32 field;
1337 u32 offset;
1338 u32 reg;
1339
1340 if (crypto->cmd == SET_KEY) {
1341 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
1342
1343 memcpy(key_entry.key, crypto->key,
1344 sizeof(key_entry.key));
1345 memcpy(key_entry.tx_mic, crypto->tx_mic,
1346 sizeof(key_entry.tx_mic));
1347 memcpy(key_entry.rx_mic, crypto->rx_mic,
1348 sizeof(key_entry.rx_mic));
1349
1350 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1351 rt2800_register_multiwrite(rt2x00dev, offset,
1352 &key_entry, sizeof(key_entry));
1353 }
1354
1355 /*
1356 * The cipher types are stored over multiple registers
1357 * starting with SHARED_KEY_MODE_BASE each word will have
1358 * 32 bits and contains the cipher types for 2 bssidx each.
1359 * Using the correct defines correctly will cause overhead,
1360 * so just calculate the correct offset.
1361 */
1362 field.bit_offset = 4 * (key->hw_key_idx % 8);
1363 field.bit_mask = 0x7 << field.bit_offset;
1364
1365 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1366
1367 rt2800_register_read(rt2x00dev, offset, &reg);
1368 rt2x00_set_field32(&reg, field,
1369 (crypto->cmd == SET_KEY) * crypto->cipher);
1370 rt2800_register_write(rt2x00dev, offset, reg);
1371
1372 /*
1373 * Update WCID information
1374 */
1375 rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
1376 rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
1377 crypto->bssidx);
1378 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1379
1380 return 0;
1381 }
1382 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1383
1384 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1385 struct rt2x00lib_crypto *crypto,
1386 struct ieee80211_key_conf *key)
1387 {
1388 struct hw_key_entry key_entry;
1389 u32 offset;
1390
1391 if (crypto->cmd == SET_KEY) {
1392 /*
1393 * Allow key configuration only for STAs that are
1394 * known by the hw.
1395 */
1396 if (crypto->wcid > WCID_END)
1397 return -ENOSPC;
1398 key->hw_key_idx = crypto->wcid;
1399
1400 memcpy(key_entry.key, crypto->key,
1401 sizeof(key_entry.key));
1402 memcpy(key_entry.tx_mic, crypto->tx_mic,
1403 sizeof(key_entry.tx_mic));
1404 memcpy(key_entry.rx_mic, crypto->rx_mic,
1405 sizeof(key_entry.rx_mic));
1406
1407 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1408 rt2800_register_multiwrite(rt2x00dev, offset,
1409 &key_entry, sizeof(key_entry));
1410 }
1411
1412 /*
1413 * Update WCID information
1414 */
1415 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1416
1417 return 0;
1418 }
1419 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1420
1421 int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
1422 struct ieee80211_sta *sta)
1423 {
1424 int wcid;
1425 struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1426 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1427
1428 /*
1429 * Search for the first free WCID entry and return the corresponding
1430 * index.
1431 */
1432 wcid = find_first_zero_bit(drv_data->sta_ids, STA_IDS_SIZE) + WCID_START;
1433
1434 /*
1435 * Store selected wcid even if it is invalid so that we can
1436 * later decide if the STA is uploaded into the hw.
1437 */
1438 sta_priv->wcid = wcid;
1439
1440 /*
1441 * No space left in the device, however, we can still communicate
1442 * with the STA -> No error.
1443 */
1444 if (wcid > WCID_END)
1445 return 0;
1446
1447 __set_bit(wcid - WCID_START, drv_data->sta_ids);
1448
1449 /*
1450 * Clean up WCID attributes and write STA address to the device.
1451 */
1452 rt2800_delete_wcid_attr(rt2x00dev, wcid);
1453 rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
1454 rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
1455 rt2x00lib_get_bssidx(rt2x00dev, vif));
1456 return 0;
1457 }
1458 EXPORT_SYMBOL_GPL(rt2800_sta_add);
1459
1460 int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid)
1461 {
1462 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1463
1464 if (wcid > WCID_END)
1465 return 0;
1466 /*
1467 * Remove WCID entry, no need to clean the attributes as they will
1468 * get renewed when the WCID is reused.
1469 */
1470 rt2800_config_wcid(rt2x00dev, NULL, wcid);
1471 __clear_bit(wcid - WCID_START, drv_data->sta_ids);
1472
1473 return 0;
1474 }
1475 EXPORT_SYMBOL_GPL(rt2800_sta_remove);
1476
1477 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1478 const unsigned int filter_flags)
1479 {
1480 u32 reg;
1481
1482 /*
1483 * Start configuration steps.
1484 * Note that the version error will always be dropped
1485 * and broadcast frames will always be accepted since
1486 * there is no filter for it at this time.
1487 */
1488 rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
1489 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
1490 !(filter_flags & FIF_FCSFAIL));
1491 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
1492 !(filter_flags & FIF_PLCPFAIL));
1493 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME, 1);
1494 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1495 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1496 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
1497 !(filter_flags & FIF_ALLMULTI));
1498 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
1499 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1500 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
1501 !(filter_flags & FIF_CONTROL));
1502 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
1503 !(filter_flags & FIF_CONTROL));
1504 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
1505 !(filter_flags & FIF_CONTROL));
1506 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
1507 !(filter_flags & FIF_CONTROL));
1508 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
1509 !(filter_flags & FIF_CONTROL));
1510 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
1511 !(filter_flags & FIF_PSPOLL));
1512 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 0);
1513 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR,
1514 !(filter_flags & FIF_CONTROL));
1515 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
1516 !(filter_flags & FIF_CONTROL));
1517 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1518 }
1519 EXPORT_SYMBOL_GPL(rt2800_config_filter);
1520
1521 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1522 struct rt2x00intf_conf *conf, const unsigned int flags)
1523 {
1524 u32 reg;
1525 bool update_bssid = false;
1526
1527 if (flags & CONFIG_UPDATE_TYPE) {
1528 /*
1529 * Enable synchronisation.
1530 */
1531 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1532 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1533 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1534
1535 if (conf->sync == TSF_SYNC_AP_NONE) {
1536 /*
1537 * Tune beacon queue transmit parameters for AP mode
1538 */
1539 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1540 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1541 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1542 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1543 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1544 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1545 } else {
1546 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1547 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1548 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1549 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1550 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1551 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1552 }
1553 }
1554
1555 if (flags & CONFIG_UPDATE_MAC) {
1556 if (flags & CONFIG_UPDATE_TYPE &&
1557 conf->sync == TSF_SYNC_AP_NONE) {
1558 /*
1559 * The BSSID register has to be set to our own mac
1560 * address in AP mode.
1561 */
1562 memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1563 update_bssid = true;
1564 }
1565
1566 if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1567 reg = le32_to_cpu(conf->mac[1]);
1568 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1569 conf->mac[1] = cpu_to_le32(reg);
1570 }
1571
1572 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1573 conf->mac, sizeof(conf->mac));
1574 }
1575
1576 if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1577 if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1578 reg = le32_to_cpu(conf->bssid[1]);
1579 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1580 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
1581 conf->bssid[1] = cpu_to_le32(reg);
1582 }
1583
1584 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1585 conf->bssid, sizeof(conf->bssid));
1586 }
1587 }
1588 EXPORT_SYMBOL_GPL(rt2800_config_intf);
1589
1590 static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1591 struct rt2x00lib_erp *erp)
1592 {
1593 bool any_sta_nongf = !!(erp->ht_opmode &
1594 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1595 u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1596 u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1597 u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1598 u32 reg;
1599
1600 /* default protection rate for HT20: OFDM 24M */
1601 mm20_rate = gf20_rate = 0x4004;
1602
1603 /* default protection rate for HT40: duplicate OFDM 24M */
1604 mm40_rate = gf40_rate = 0x4084;
1605
1606 switch (protection) {
1607 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1608 /*
1609 * All STAs in this BSS are HT20/40 but there might be
1610 * STAs not supporting greenfield mode.
1611 * => Disable protection for HT transmissions.
1612 */
1613 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1614
1615 break;
1616 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1617 /*
1618 * All STAs in this BSS are HT20 or HT20/40 but there
1619 * might be STAs not supporting greenfield mode.
1620 * => Protect all HT40 transmissions.
1621 */
1622 mm20_mode = gf20_mode = 0;
1623 mm40_mode = gf40_mode = 2;
1624
1625 break;
1626 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1627 /*
1628 * Nonmember protection:
1629 * According to 802.11n we _should_ protect all
1630 * HT transmissions (but we don't have to).
1631 *
1632 * But if cts_protection is enabled we _shall_ protect
1633 * all HT transmissions using a CCK rate.
1634 *
1635 * And if any station is non GF we _shall_ protect
1636 * GF transmissions.
1637 *
1638 * We decide to protect everything
1639 * -> fall through to mixed mode.
1640 */
1641 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1642 /*
1643 * Legacy STAs are present
1644 * => Protect all HT transmissions.
1645 */
1646 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2;
1647
1648 /*
1649 * If erp protection is needed we have to protect HT
1650 * transmissions with CCK 11M long preamble.
1651 */
1652 if (erp->cts_protection) {
1653 /* don't duplicate RTS/CTS in CCK mode */
1654 mm20_rate = mm40_rate = 0x0003;
1655 gf20_rate = gf40_rate = 0x0003;
1656 }
1657 break;
1658 }
1659
1660 /* check for STAs not supporting greenfield mode */
1661 if (any_sta_nongf)
1662 gf20_mode = gf40_mode = 2;
1663
1664 /* Update HT protection config */
1665 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1666 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1667 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1668 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1669
1670 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1671 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1672 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1673 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1674
1675 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1676 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1677 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1678 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1679
1680 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1681 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1682 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1683 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1684 }
1685
1686 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1687 u32 changed)
1688 {
1689 u32 reg;
1690
1691 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1692 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1693 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
1694 !!erp->short_preamble);
1695 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
1696 !!erp->short_preamble);
1697 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1698 }
1699
1700 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1701 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1702 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
1703 erp->cts_protection ? 2 : 0);
1704 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1705 }
1706
1707 if (changed & BSS_CHANGED_BASIC_RATES) {
1708 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1709 erp->basic_rates);
1710 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1711 }
1712
1713 if (changed & BSS_CHANGED_ERP_SLOT) {
1714 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
1715 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME,
1716 erp->slot_time);
1717 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1718
1719 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
1720 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
1721 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1722 }
1723
1724 if (changed & BSS_CHANGED_BEACON_INT) {
1725 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1726 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
1727 erp->beacon_int * 16);
1728 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1729 }
1730
1731 if (changed & BSS_CHANGED_HT)
1732 rt2800_config_ht_opmode(rt2x00dev, erp);
1733 }
1734 EXPORT_SYMBOL_GPL(rt2800_config_erp);
1735
1736 static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1737 {
1738 u32 reg;
1739 u16 eeprom;
1740 u8 led_ctrl, led_g_mode, led_r_mode;
1741
1742 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
1743 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1744 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 1);
1745 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 1);
1746 } else {
1747 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 0);
1748 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 0);
1749 }
1750 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1751
1752 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
1753 led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1754 led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1755 if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1756 led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1757 rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1758 led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1759 if (led_ctrl == 0 || led_ctrl > 0x40) {
1760 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, led_g_mode);
1761 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, led_r_mode);
1762 rt2800_register_write(rt2x00dev, LED_CFG, reg);
1763 } else {
1764 rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1765 (led_g_mode << 2) | led_r_mode, 1);
1766 }
1767 }
1768 }
1769
1770 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1771 enum antenna ant)
1772 {
1773 u32 reg;
1774 u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1775 u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1776
1777 if (rt2x00_is_pci(rt2x00dev)) {
1778 rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
1779 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1780 rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1781 } else if (rt2x00_is_usb(rt2x00dev))
1782 rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1783 eesk_pin, 0);
1784
1785 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
1786 rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
1787 rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, gpio_bit3);
1788 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
1789 }
1790
1791 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1792 {
1793 u8 r1;
1794 u8 r3;
1795 u16 eeprom;
1796
1797 rt2800_bbp_read(rt2x00dev, 1, &r1);
1798 rt2800_bbp_read(rt2x00dev, 3, &r3);
1799
1800 if (rt2x00_rt(rt2x00dev, RT3572) &&
1801 rt2x00_has_cap_bt_coexist(rt2x00dev))
1802 rt2800_config_3572bt_ant(rt2x00dev);
1803
1804 /*
1805 * Configure the TX antenna.
1806 */
1807 switch (ant->tx_chain_num) {
1808 case 1:
1809 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1810 break;
1811 case 2:
1812 if (rt2x00_rt(rt2x00dev, RT3572) &&
1813 rt2x00_has_cap_bt_coexist(rt2x00dev))
1814 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1815 else
1816 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1817 break;
1818 case 3:
1819 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1820 break;
1821 }
1822
1823 /*
1824 * Configure the RX antenna.
1825 */
1826 switch (ant->rx_chain_num) {
1827 case 1:
1828 if (rt2x00_rt(rt2x00dev, RT3070) ||
1829 rt2x00_rt(rt2x00dev, RT3090) ||
1830 rt2x00_rt(rt2x00dev, RT3352) ||
1831 rt2x00_rt(rt2x00dev, RT3390)) {
1832 rt2800_eeprom_read(rt2x00dev,
1833 EEPROM_NIC_CONF1, &eeprom);
1834 if (rt2x00_get_field16(eeprom,
1835 EEPROM_NIC_CONF1_ANT_DIVERSITY))
1836 rt2800_set_ant_diversity(rt2x00dev,
1837 rt2x00dev->default_ant.rx);
1838 }
1839 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
1840 break;
1841 case 2:
1842 if (rt2x00_rt(rt2x00dev, RT3572) &&
1843 rt2x00_has_cap_bt_coexist(rt2x00dev)) {
1844 rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
1845 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
1846 rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
1847 rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
1848 } else {
1849 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
1850 }
1851 break;
1852 case 3:
1853 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
1854 break;
1855 }
1856
1857 rt2800_bbp_write(rt2x00dev, 3, r3);
1858 rt2800_bbp_write(rt2x00dev, 1, r1);
1859
1860 if (rt2x00_rt(rt2x00dev, RT3593)) {
1861 if (ant->rx_chain_num == 1)
1862 rt2800_bbp_write(rt2x00dev, 86, 0x00);
1863 else
1864 rt2800_bbp_write(rt2x00dev, 86, 0x46);
1865 }
1866 }
1867 EXPORT_SYMBOL_GPL(rt2800_config_ant);
1868
1869 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
1870 struct rt2x00lib_conf *libconf)
1871 {
1872 u16 eeprom;
1873 short lna_gain;
1874
1875 if (libconf->rf.channel <= 14) {
1876 rt2800_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1877 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
1878 } else if (libconf->rf.channel <= 64) {
1879 rt2800_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1880 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
1881 } else if (libconf->rf.channel <= 128) {
1882 if (rt2x00_rt(rt2x00dev, RT3593)) {
1883 rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2, &eeprom);
1884 lna_gain = rt2x00_get_field16(eeprom,
1885 EEPROM_EXT_LNA2_A1);
1886 } else {
1887 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
1888 lna_gain = rt2x00_get_field16(eeprom,
1889 EEPROM_RSSI_BG2_LNA_A1);
1890 }
1891 } else {
1892 if (rt2x00_rt(rt2x00dev, RT3593)) {
1893 rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2, &eeprom);
1894 lna_gain = rt2x00_get_field16(eeprom,
1895 EEPROM_EXT_LNA2_A2);
1896 } else {
1897 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
1898 lna_gain = rt2x00_get_field16(eeprom,
1899 EEPROM_RSSI_A2_LNA_A2);
1900 }
1901 }
1902
1903 rt2x00dev->lna_gain = lna_gain;
1904 }
1905
1906 #define FREQ_OFFSET_BOUND 0x5f
1907
1908 static void rt2800_adjust_freq_offset(struct rt2x00_dev *rt2x00dev)
1909 {
1910 u8 freq_offset, prev_freq_offset;
1911 u8 rfcsr, prev_rfcsr;
1912
1913 freq_offset = rt2x00_get_field8(rt2x00dev->freq_offset, RFCSR17_CODE);
1914 freq_offset = min_t(u8, freq_offset, FREQ_OFFSET_BOUND);
1915
1916 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
1917 prev_rfcsr = rfcsr;
1918
1919 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, freq_offset);
1920 if (rfcsr == prev_rfcsr)
1921 return;
1922
1923 if (rt2x00_is_usb(rt2x00dev)) {
1924 rt2800_mcu_request(rt2x00dev, MCU_FREQ_OFFSET, 0xff,
1925 freq_offset, prev_rfcsr);
1926 return;
1927 }
1928
1929 prev_freq_offset = rt2x00_get_field8(prev_rfcsr, RFCSR17_CODE);
1930 while (prev_freq_offset != freq_offset) {
1931 if (prev_freq_offset < freq_offset)
1932 prev_freq_offset++;
1933 else
1934 prev_freq_offset--;
1935
1936 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, prev_freq_offset);
1937 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
1938
1939 usleep_range(1000, 1500);
1940 }
1941 }
1942
1943 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
1944 struct ieee80211_conf *conf,
1945 struct rf_channel *rf,
1946 struct channel_info *info)
1947 {
1948 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
1949
1950 if (rt2x00dev->default_ant.tx_chain_num == 1)
1951 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
1952
1953 if (rt2x00dev->default_ant.rx_chain_num == 1) {
1954 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
1955 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1956 } else if (rt2x00dev->default_ant.rx_chain_num == 2)
1957 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1958
1959 if (rf->channel > 14) {
1960 /*
1961 * When TX power is below 0, we should increase it by 7 to
1962 * make it a positive value (Minimum value is -7).
1963 * However this means that values between 0 and 7 have
1964 * double meaning, and we should set a 7DBm boost flag.
1965 */
1966 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
1967 (info->default_power1 >= 0));
1968
1969 if (info->default_power1 < 0)
1970 info->default_power1 += 7;
1971
1972 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
1973
1974 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
1975 (info->default_power2 >= 0));
1976
1977 if (info->default_power2 < 0)
1978 info->default_power2 += 7;
1979
1980 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
1981 } else {
1982 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
1983 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
1984 }
1985
1986 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
1987
1988 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1989 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1990 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1991 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1992
1993 udelay(200);
1994
1995 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1996 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1997 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
1998 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1999
2000 udelay(200);
2001
2002 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
2003 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
2004 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
2005 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
2006 }
2007
2008 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
2009 struct ieee80211_conf *conf,
2010 struct rf_channel *rf,
2011 struct channel_info *info)
2012 {
2013 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2014 u8 rfcsr, calib_tx, calib_rx;
2015
2016 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
2017
2018 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2019 rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3);
2020 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2021
2022 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
2023 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
2024 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2025
2026 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
2027 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
2028 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2029
2030 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
2031 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
2032 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
2033
2034 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2035 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2036 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
2037 rt2x00dev->default_ant.rx_chain_num <= 1);
2038 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD,
2039 rt2x00dev->default_ant.rx_chain_num <= 2);
2040 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2041 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
2042 rt2x00dev->default_ant.tx_chain_num <= 1);
2043 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD,
2044 rt2x00dev->default_ant.tx_chain_num <= 2);
2045 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2046
2047 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
2048 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
2049 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2050
2051 if (rt2x00_rt(rt2x00dev, RT3390)) {
2052 calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f;
2053 calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f;
2054 } else {
2055 if (conf_is_ht40(conf)) {
2056 calib_tx = drv_data->calibration_bw40;
2057 calib_rx = drv_data->calibration_bw40;
2058 } else {
2059 calib_tx = drv_data->calibration_bw20;
2060 calib_rx = drv_data->calibration_bw20;
2061 }
2062 }
2063
2064 rt2800_rfcsr_read(rt2x00dev, 24, &rfcsr);
2065 rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx);
2066 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr);
2067
2068 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
2069 rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx);
2070 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
2071
2072 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2073 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2074 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2075
2076 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2077 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
2078 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2079 msleep(1);
2080 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
2081 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2082 }
2083
2084 static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
2085 struct ieee80211_conf *conf,
2086 struct rf_channel *rf,
2087 struct channel_info *info)
2088 {
2089 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2090 u8 rfcsr;
2091 u32 reg;
2092
2093 if (rf->channel <= 14) {
2094 rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
2095 rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
2096 } else {
2097 rt2800_bbp_write(rt2x00dev, 25, 0x09);
2098 rt2800_bbp_write(rt2x00dev, 26, 0xff);
2099 }
2100
2101 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
2102 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
2103
2104 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
2105 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
2106 if (rf->channel <= 14)
2107 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
2108 else
2109 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
2110 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2111
2112 rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr);
2113 if (rf->channel <= 14)
2114 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
2115 else
2116 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
2117 rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
2118
2119 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
2120 if (rf->channel <= 14) {
2121 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
2122 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
2123 info->default_power1);
2124 } else {
2125 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
2126 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
2127 (info->default_power1 & 0x3) |
2128 ((info->default_power1 & 0xC) << 1));
2129 }
2130 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2131
2132 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
2133 if (rf->channel <= 14) {
2134 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
2135 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
2136 info->default_power2);
2137 } else {
2138 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
2139 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
2140 (info->default_power2 & 0x3) |
2141 ((info->default_power2 & 0xC) << 1));
2142 }
2143 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
2144
2145 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2146 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2147 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2148 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2149 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2150 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2151 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2152 if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2153 if (rf->channel <= 14) {
2154 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2155 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2156 }
2157 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2158 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2159 } else {
2160 switch (rt2x00dev->default_ant.tx_chain_num) {
2161 case 1:
2162 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2163 case 2:
2164 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2165 break;
2166 }
2167
2168 switch (rt2x00dev->default_ant.rx_chain_num) {
2169 case 1:
2170 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2171 case 2:
2172 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2173 break;
2174 }
2175 }
2176 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2177
2178 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
2179 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
2180 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2181
2182 if (conf_is_ht40(conf)) {
2183 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40);
2184 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40);
2185 } else {
2186 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20);
2187 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20);
2188 }
2189
2190 if (rf->channel <= 14) {
2191 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
2192 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
2193 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
2194 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
2195 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
2196 rfcsr = 0x4c;
2197 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
2198 drv_data->txmixer_gain_24g);
2199 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
2200 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
2201 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
2202 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
2203 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
2204 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
2205 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
2206 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
2207 } else {
2208 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2209 rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1);
2210 rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0);
2211 rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1);
2212 rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0);
2213 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2214 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
2215 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
2216 rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
2217 rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
2218 rfcsr = 0x7a;
2219 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
2220 drv_data->txmixer_gain_5g);
2221 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
2222 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
2223 if (rf->channel <= 64) {
2224 rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
2225 rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
2226 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
2227 } else if (rf->channel <= 128) {
2228 rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
2229 rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
2230 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
2231 } else {
2232 rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
2233 rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
2234 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
2235 }
2236 rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
2237 rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
2238 rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
2239 }
2240
2241 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
2242 rt2x00_set_field32(&reg, GPIO_CTRL_DIR7, 0);
2243 if (rf->channel <= 14)
2244 rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 1);
2245 else
2246 rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 0);
2247 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
2248
2249 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2250 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2251 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2252 }
2253
2254 static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev,
2255 struct ieee80211_conf *conf,
2256 struct rf_channel *rf,
2257 struct channel_info *info)
2258 {
2259 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2260 u8 txrx_agc_fc;
2261 u8 txrx_h20m;
2262 u8 rfcsr;
2263 u8 bbp;
2264 const bool txbf_enabled = false; /* TODO */
2265
2266 /* TODO: use TX{0,1,2}FinePowerControl values from EEPROM */
2267 rt2800_bbp_read(rt2x00dev, 109, &bbp);
2268 rt2x00_set_field8(&bbp, BBP109_TX0_POWER, 0);
2269 rt2x00_set_field8(&bbp, BBP109_TX1_POWER, 0);
2270 rt2800_bbp_write(rt2x00dev, 109, bbp);
2271
2272 rt2800_bbp_read(rt2x00dev, 110, &bbp);
2273 rt2x00_set_field8(&bbp, BBP110_TX2_POWER, 0);
2274 rt2800_bbp_write(rt2x00dev, 110, bbp);
2275
2276 if (rf->channel <= 14) {
2277 /* Restore BBP 25 & 26 for 2.4 GHz */
2278 rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
2279 rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
2280 } else {
2281 /* Hard code BBP 25 & 26 for 5GHz */
2282
2283 /* Enable IQ Phase correction */
2284 rt2800_bbp_write(rt2x00dev, 25, 0x09);
2285 /* Setup IQ Phase correction value */
2286 rt2800_bbp_write(rt2x00dev, 26, 0xff);
2287 }
2288
2289 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2290 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3 & 0xf);
2291
2292 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2293 rt2x00_set_field8(&rfcsr, RFCSR11_R, (rf->rf2 & 0x3));
2294 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2295
2296 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2297 rt2x00_set_field8(&rfcsr, RFCSR11_PLL_IDOH, 1);
2298 if (rf->channel <= 14)
2299 rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 1);
2300 else
2301 rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 2);
2302 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2303
2304 rt2800_rfcsr_read(rt2x00dev, 53, &rfcsr);
2305 if (rf->channel <= 14) {
2306 rfcsr = 0;
2307 rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER,
2308 info->default_power1 & 0x1f);
2309 } else {
2310 if (rt2x00_is_usb(rt2x00dev))
2311 rfcsr = 0x40;
2312
2313 rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER,
2314 ((info->default_power1 & 0x18) << 1) |
2315 (info->default_power1 & 7));
2316 }
2317 rt2800_rfcsr_write(rt2x00dev, 53, rfcsr);
2318
2319 rt2800_rfcsr_read(rt2x00dev, 55, &rfcsr);
2320 if (rf->channel <= 14) {
2321 rfcsr = 0;
2322 rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER,
2323 info->default_power2 & 0x1f);
2324 } else {
2325 if (rt2x00_is_usb(rt2x00dev))
2326 rfcsr = 0x40;
2327
2328 rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER,
2329 ((info->default_power2 & 0x18) << 1) |
2330 (info->default_power2 & 7));
2331 }
2332 rt2800_rfcsr_write(rt2x00dev, 55, rfcsr);
2333
2334 rt2800_rfcsr_read(rt2x00dev, 54, &rfcsr);
2335 if (rf->channel <= 14) {
2336 rfcsr = 0;
2337 rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER,
2338 info->default_power3 & 0x1f);
2339 } else {
2340 if (rt2x00_is_usb(rt2x00dev))
2341 rfcsr = 0x40;
2342
2343 rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER,
2344 ((info->default_power3 & 0x18) << 1) |
2345 (info->default_power3 & 7));
2346 }
2347 rt2800_rfcsr_write(rt2x00dev, 54, rfcsr);
2348
2349 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2350 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2351 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2352 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2353 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2354 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2355 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2356 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2357 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2358
2359 switch (rt2x00dev->default_ant.tx_chain_num) {
2360 case 3:
2361 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2362 /* fallthrough */
2363 case 2:
2364 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2365 /* fallthrough */
2366 case 1:
2367 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2368 break;
2369 }
2370
2371 switch (rt2x00dev->default_ant.rx_chain_num) {
2372 case 3:
2373 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2374 /* fallthrough */
2375 case 2:
2376 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2377 /* fallthrough */
2378 case 1:
2379 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2380 break;
2381 }
2382 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2383
2384 rt2800_adjust_freq_offset(rt2x00dev);
2385
2386 if (conf_is_ht40(conf)) {
2387 txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw40,
2388 RFCSR24_TX_AGC_FC);
2389 txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw40,
2390 RFCSR24_TX_H20M);
2391 } else {
2392 txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw20,
2393 RFCSR24_TX_AGC_FC);
2394 txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw20,
2395 RFCSR24_TX_H20M);
2396 }
2397
2398 /* NOTE: the reference driver does not writes the new value
2399 * back to RFCSR 32
2400 */
2401 rt2800_rfcsr_read(rt2x00dev, 32, &rfcsr);
2402 rt2x00_set_field8(&rfcsr, RFCSR32_TX_AGC_FC, txrx_agc_fc);
2403
2404 if (rf->channel <= 14)
2405 rfcsr = 0xa0;
2406 else
2407 rfcsr = 0x80;
2408 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
2409
2410 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2411 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, txrx_h20m);
2412 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, txrx_h20m);
2413 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2414
2415 /* Band selection */
2416 rt2800_rfcsr_read(rt2x00dev, 36, &rfcsr);
2417 if (rf->channel <= 14)
2418 rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1);
2419 else
2420 rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0);
2421 rt2800_rfcsr_write(rt2x00dev, 36, rfcsr);
2422
2423 rt2800_rfcsr_read(rt2x00dev, 34, &rfcsr);
2424 if (rf->channel <= 14)
2425 rfcsr = 0x3c;
2426 else
2427 rfcsr = 0x20;
2428 rt2800_rfcsr_write(rt2x00dev, 34, rfcsr);
2429
2430 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
2431 if (rf->channel <= 14)
2432 rfcsr = 0x1a;
2433 else
2434 rfcsr = 0x12;
2435 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2436
2437 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
2438 if (rf->channel >= 1 && rf->channel <= 14)
2439 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1);
2440 else if (rf->channel >= 36 && rf->channel <= 64)
2441 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2);
2442 else if (rf->channel >= 100 && rf->channel <= 128)
2443 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2);
2444 else
2445 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1);
2446 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2447
2448 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2449 rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
2450 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2451
2452 rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
2453
2454 if (rf->channel <= 14) {
2455 rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
2456 rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
2457 } else {
2458 rt2800_rfcsr_write(rt2x00dev, 10, 0xd8);
2459 rt2800_rfcsr_write(rt2x00dev, 13, 0x23);
2460 }
2461
2462 rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
2463 rt2x00_set_field8(&rfcsr, RFCSR51_BITS01, 1);
2464 rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
2465
2466 rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
2467 if (rf->channel <= 14) {
2468 rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 5);
2469 rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 3);
2470 } else {
2471 rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 4);
2472 rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 2);
2473 }
2474 rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
2475
2476 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2477 if (rf->channel <= 14)
2478 rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 3);
2479 else
2480 rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 2);
2481
2482 if (txbf_enabled)
2483 rt2x00_set_field8(&rfcsr, RFCSR49_TX_DIV, 1);
2484
2485 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2486
2487 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2488 rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO1_EN, 0);
2489 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2490
2491 rt2800_rfcsr_read(rt2x00dev, 57, &rfcsr);
2492 if (rf->channel <= 14)
2493 rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x1b);
2494 else
2495 rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x0f);
2496 rt2800_rfcsr_write(rt2x00dev, 57, rfcsr);
2497
2498 if (rf->channel <= 14) {
2499 rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
2500 rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
2501 } else {
2502 rt2800_rfcsr_write(rt2x00dev, 44, 0x9b);
2503 rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
2504 }
2505
2506 /* Initiate VCO calibration */
2507 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2508 if (rf->channel <= 14) {
2509 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2510 } else {
2511 rt2x00_set_field8(&rfcsr, RFCSR3_BIT1, 1);
2512 rt2x00_set_field8(&rfcsr, RFCSR3_BIT2, 1);
2513 rt2x00_set_field8(&rfcsr, RFCSR3_BIT3, 1);
2514 rt2x00_set_field8(&rfcsr, RFCSR3_BIT4, 1);
2515 rt2x00_set_field8(&rfcsr, RFCSR3_BIT5, 1);
2516 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2517 }
2518 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2519
2520 if (rf->channel >= 1 && rf->channel <= 14) {
2521 rfcsr = 0x23;
2522 if (txbf_enabled)
2523 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2524 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2525
2526 rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
2527 } else if (rf->channel >= 36 && rf->channel <= 64) {
2528 rfcsr = 0x36;
2529 if (txbf_enabled)
2530 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2531 rt2800_rfcsr_write(rt2x00dev, 39, 0x36);
2532
2533 rt2800_rfcsr_write(rt2x00dev, 45, 0xeb);
2534 } else if (rf->channel >= 100 && rf->channel <= 128) {
2535 rfcsr = 0x32;
2536 if (txbf_enabled)
2537 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2538 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2539
2540 rt2800_rfcsr_write(rt2x00dev, 45, 0xb3);
2541 } else {
2542 rfcsr = 0x30;
2543 if (txbf_enabled)
2544 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2545 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2546
2547 rt2800_rfcsr_write(rt2x00dev, 45, 0x9b);
2548 }
2549 }
2550
2551 #define POWER_BOUND 0x27
2552 #define POWER_BOUND_5G 0x2b
2553
2554 static void rt2800_config_channel_rf3290(struct rt2x00_dev *rt2x00dev,
2555 struct ieee80211_conf *conf,
2556 struct rf_channel *rf,
2557 struct channel_info *info)
2558 {
2559 u8 rfcsr;
2560
2561 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2562 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2563 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2564 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2565 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2566
2567 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2568 if (info->default_power1 > POWER_BOUND)
2569 rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2570 else
2571 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2572 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2573
2574 rt2800_adjust_freq_offset(rt2x00dev);
2575
2576 if (rf->channel <= 14) {
2577 if (rf->channel == 6)
2578 rt2800_bbp_write(rt2x00dev, 68, 0x0c);
2579 else
2580 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
2581
2582 if (rf->channel >= 1 && rf->channel <= 6)
2583 rt2800_bbp_write(rt2x00dev, 59, 0x0f);
2584 else if (rf->channel >= 7 && rf->channel <= 11)
2585 rt2800_bbp_write(rt2x00dev, 59, 0x0e);
2586 else if (rf->channel >= 12 && rf->channel <= 14)
2587 rt2800_bbp_write(rt2x00dev, 59, 0x0d);
2588 }
2589 }
2590
2591 static void rt2800_config_channel_rf3322(struct rt2x00_dev *rt2x00dev,
2592 struct ieee80211_conf *conf,
2593 struct rf_channel *rf,
2594 struct channel_info *info)
2595 {
2596 u8 rfcsr;
2597
2598 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2599 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2600
2601 rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
2602 rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
2603 rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
2604
2605 if (info->default_power1 > POWER_BOUND)
2606 rt2800_rfcsr_write(rt2x00dev, 47, POWER_BOUND);
2607 else
2608 rt2800_rfcsr_write(rt2x00dev, 47, info->default_power1);
2609
2610 if (info->default_power2 > POWER_BOUND)
2611 rt2800_rfcsr_write(rt2x00dev, 48, POWER_BOUND);
2612 else
2613 rt2800_rfcsr_write(rt2x00dev, 48, info->default_power2);
2614
2615 rt2800_adjust_freq_offset(rt2x00dev);
2616
2617 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2618 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2619 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2620
2621 if ( rt2x00dev->default_ant.tx_chain_num == 2 )
2622 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2623 else
2624 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2625
2626 if ( rt2x00dev->default_ant.rx_chain_num == 2 )
2627 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2628 else
2629 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2630
2631 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2632 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2633
2634 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2635
2636 rt2800_rfcsr_write(rt2x00dev, 31, 80);
2637 }
2638
2639 static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
2640 struct ieee80211_conf *conf,
2641 struct rf_channel *rf,
2642 struct channel_info *info)
2643 {
2644 u8 rfcsr;
2645
2646 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2647 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2648 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2649 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2650 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2651
2652 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2653 if (info->default_power1 > POWER_BOUND)
2654 rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2655 else
2656 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2657 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2658
2659 if (rt2x00_rt(rt2x00dev, RT5392)) {
2660 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2661 if (info->default_power2 > POWER_BOUND)
2662 rt2x00_set_field8(&rfcsr, RFCSR50_TX, POWER_BOUND);
2663 else
2664 rt2x00_set_field8(&rfcsr, RFCSR50_TX,
2665 info->default_power2);
2666 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2667 }
2668
2669 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2670 if (rt2x00_rt(rt2x00dev, RT5392)) {
2671 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2672 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2673 }
2674 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2675 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2676 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2677 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2678 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2679
2680 rt2800_adjust_freq_offset(rt2x00dev);
2681
2682 if (rf->channel <= 14) {
2683 int idx = rf->channel-1;
2684
2685 if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2686 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2687 /* r55/r59 value array of channel 1~14 */
2688 static const char r55_bt_rev[] = {0x83, 0x83,
2689 0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
2690 0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
2691 static const char r59_bt_rev[] = {0x0e, 0x0e,
2692 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
2693 0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
2694
2695 rt2800_rfcsr_write(rt2x00dev, 55,
2696 r55_bt_rev[idx]);
2697 rt2800_rfcsr_write(rt2x00dev, 59,
2698 r59_bt_rev[idx]);
2699 } else {
2700 static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
2701 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
2702 0x88, 0x88, 0x86, 0x85, 0x84};
2703
2704 rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
2705 }
2706 } else {
2707 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2708 static const char r55_nonbt_rev[] = {0x23, 0x23,
2709 0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
2710 0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
2711 static const char r59_nonbt_rev[] = {0x07, 0x07,
2712 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
2713 0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
2714
2715 rt2800_rfcsr_write(rt2x00dev, 55,
2716 r55_nonbt_rev[idx]);
2717 rt2800_rfcsr_write(rt2x00dev, 59,
2718 r59_nonbt_rev[idx]);
2719 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
2720 rt2x00_rt(rt2x00dev, RT5392)) {
2721 static const char r59_non_bt[] = {0x8f, 0x8f,
2722 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
2723 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
2724
2725 rt2800_rfcsr_write(rt2x00dev, 59,
2726 r59_non_bt[idx]);
2727 }
2728 }
2729 }
2730 }
2731
2732 static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev,
2733 struct ieee80211_conf *conf,
2734 struct rf_channel *rf,
2735 struct channel_info *info)
2736 {
2737 u8 rfcsr, ep_reg;
2738 u32 reg;
2739 int power_bound;
2740
2741 /* TODO */
2742 const bool is_11b = false;
2743 const bool is_type_ep = false;
2744
2745 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
2746 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL,
2747 (rf->channel > 14 || conf_is_ht40(conf)) ? 5 : 0);
2748 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
2749
2750 /* Order of values on rf_channel entry: N, K, mod, R */
2751 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1 & 0xff);
2752
2753 rt2800_rfcsr_read(rt2x00dev, 9, &rfcsr);
2754 rt2x00_set_field8(&rfcsr, RFCSR9_K, rf->rf2 & 0xf);
2755 rt2x00_set_field8(&rfcsr, RFCSR9_N, (rf->rf1 & 0x100) >> 8);
2756 rt2x00_set_field8(&rfcsr, RFCSR9_MOD, ((rf->rf3 - 8) & 0x4) >> 2);
2757 rt2800_rfcsr_write(rt2x00dev, 9, rfcsr);
2758
2759 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2760 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf4 - 1);
2761 rt2x00_set_field8(&rfcsr, RFCSR11_MOD, (rf->rf3 - 8) & 0x3);
2762 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2763
2764 if (rf->channel <= 14) {
2765 rt2800_rfcsr_write(rt2x00dev, 10, 0x90);
2766 /* FIXME: RF11 owerwrite ? */
2767 rt2800_rfcsr_write(rt2x00dev, 11, 0x4A);
2768 rt2800_rfcsr_write(rt2x00dev, 12, 0x52);
2769 rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2770 rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2771 rt2800_rfcsr_write(rt2x00dev, 24, 0x4A);
2772 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
2773 rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2774 rt2800_rfcsr_write(rt2x00dev, 36, 0x80);
2775 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
2776 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
2777 rt2800_rfcsr_write(rt2x00dev, 39, 0x1B);
2778 rt2800_rfcsr_write(rt2x00dev, 40, 0x0D);
2779 rt2800_rfcsr_write(rt2x00dev, 41, 0x9B);
2780 rt2800_rfcsr_write(rt2x00dev, 42, 0xD5);
2781 rt2800_rfcsr_write(rt2x00dev, 43, 0x72);
2782 rt2800_rfcsr_write(rt2x00dev, 44, 0x0E);
2783 rt2800_rfcsr_write(rt2x00dev, 45, 0xA2);
2784 rt2800_rfcsr_write(rt2x00dev, 46, 0x6B);
2785 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
2786 rt2800_rfcsr_write(rt2x00dev, 51, 0x3E);
2787 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
2788 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
2789 rt2800_rfcsr_write(rt2x00dev, 56, 0xA1);
2790 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
2791 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
2792 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
2793 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
2794 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
2795
2796 /* TODO RF27 <- tssi */
2797
2798 rfcsr = rf->channel <= 10 ? 0x07 : 0x06;
2799 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2800 rt2800_rfcsr_write(rt2x00dev, 59, rfcsr);
2801
2802 if (is_11b) {
2803 /* CCK */
2804 rt2800_rfcsr_write(rt2x00dev, 31, 0xF8);
2805 rt2800_rfcsr_write(rt2x00dev, 32, 0xC0);
2806 if (is_type_ep)
2807 rt2800_rfcsr_write(rt2x00dev, 55, 0x06);
2808 else
2809 rt2800_rfcsr_write(rt2x00dev, 55, 0x47);
2810 } else {
2811 /* OFDM */
2812 if (is_type_ep)
2813 rt2800_rfcsr_write(rt2x00dev, 55, 0x03);
2814 else
2815 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
2816 }
2817
2818 power_bound = POWER_BOUND;
2819 ep_reg = 0x2;
2820 } else {
2821 rt2800_rfcsr_write(rt2x00dev, 10, 0x97);
2822 /* FIMXE: RF11 overwrite */
2823 rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
2824 rt2800_rfcsr_write(rt2x00dev, 25, 0xBF);
2825 rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2826 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
2827 rt2800_rfcsr_write(rt2x00dev, 37, 0x04);
2828 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
2829 rt2800_rfcsr_write(rt2x00dev, 40, 0x42);
2830 rt2800_rfcsr_write(rt2x00dev, 41, 0xBB);
2831 rt2800_rfcsr_write(rt2x00dev, 42, 0xD7);
2832 rt2800_rfcsr_write(rt2x00dev, 45, 0x41);
2833 rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
2834 rt2800_rfcsr_write(rt2x00dev, 57, 0x77);
2835 rt2800_rfcsr_write(rt2x00dev, 60, 0x05);
2836 rt2800_rfcsr_write(rt2x00dev, 61, 0x01);
2837
2838 /* TODO RF27 <- tssi */
2839
2840 if (rf->channel >= 36 && rf->channel <= 64) {
2841
2842 rt2800_rfcsr_write(rt2x00dev, 12, 0x2E);
2843 rt2800_rfcsr_write(rt2x00dev, 13, 0x22);
2844 rt2800_rfcsr_write(rt2x00dev, 22, 0x60);
2845 rt2800_rfcsr_write(rt2x00dev, 23, 0x7F);
2846 if (rf->channel <= 50)
2847 rt2800_rfcsr_write(rt2x00dev, 24, 0x09);
2848 else if (rf->channel >= 52)
2849 rt2800_rfcsr_write(rt2x00dev, 24, 0x07);
2850 rt2800_rfcsr_write(rt2x00dev, 39, 0x1C);
2851 rt2800_rfcsr_write(rt2x00dev, 43, 0x5B);
2852 rt2800_rfcsr_write(rt2x00dev, 44, 0X40);
2853 rt2800_rfcsr_write(rt2x00dev, 46, 0X00);
2854 rt2800_rfcsr_write(rt2x00dev, 51, 0xFE);
2855 rt2800_rfcsr_write(rt2x00dev, 52, 0x0C);
2856 rt2800_rfcsr_write(rt2x00dev, 54, 0xF8);
2857 if (rf->channel <= 50) {
2858 rt2800_rfcsr_write(rt2x00dev, 55, 0x06),
2859 rt2800_rfcsr_write(rt2x00dev, 56, 0xD3);
2860 } else if (rf->channel >= 52) {
2861 rt2800_rfcsr_write(rt2x00dev, 55, 0x04);
2862 rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
2863 }
2864
2865 rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
2866 rt2800_rfcsr_write(rt2x00dev, 59, 0x7F);
2867 rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
2868
2869 } else if (rf->channel >= 100 && rf->channel <= 165) {
2870
2871 rt2800_rfcsr_write(rt2x00dev, 12, 0x0E);
2872 rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2873 rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2874 if (rf->channel <= 153) {
2875 rt2800_rfcsr_write(rt2x00dev, 23, 0x3C);
2876 rt2800_rfcsr_write(rt2x00dev, 24, 0x06);
2877 } else if (rf->channel >= 155) {
2878 rt2800_rfcsr_write(rt2x00dev, 23, 0x38);
2879 rt2800_rfcsr_write(rt2x00dev, 24, 0x05);
2880 }
2881 if (rf->channel <= 138) {
2882 rt2800_rfcsr_write(rt2x00dev, 39, 0x1A);
2883 rt2800_rfcsr_write(rt2x00dev, 43, 0x3B);
2884 rt2800_rfcsr_write(rt2x00dev, 44, 0x20);
2885 rt2800_rfcsr_write(rt2x00dev, 46, 0x18);
2886 } else if (rf->channel >= 140) {
2887 rt2800_rfcsr_write(rt2x00dev, 39, 0x18);
2888 rt2800_rfcsr_write(rt2x00dev, 43, 0x1B);
2889 rt2800_rfcsr_write(rt2x00dev, 44, 0x10);
2890 rt2800_rfcsr_write(rt2x00dev, 46, 0X08);
2891 }
2892 if (rf->channel <= 124)
2893 rt2800_rfcsr_write(rt2x00dev, 51, 0xFC);
2894 else if (rf->channel >= 126)
2895 rt2800_rfcsr_write(rt2x00dev, 51, 0xEC);
2896 if (rf->channel <= 138)
2897 rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
2898 else if (rf->channel >= 140)
2899 rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
2900 rt2800_rfcsr_write(rt2x00dev, 54, 0xEB);
2901 if (rf->channel <= 138)
2902 rt2800_rfcsr_write(rt2x00dev, 55, 0x01);
2903 else if (rf->channel >= 140)
2904 rt2800_rfcsr_write(rt2x00dev, 55, 0x00);
2905 if (rf->channel <= 128)
2906 rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
2907 else if (rf->channel >= 130)
2908 rt2800_rfcsr_write(rt2x00dev, 56, 0xAB);
2909 if (rf->channel <= 116)
2910 rt2800_rfcsr_write(rt2x00dev, 58, 0x1D);
2911 else if (rf->channel >= 118)
2912 rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
2913 if (rf->channel <= 138)
2914 rt2800_rfcsr_write(rt2x00dev, 59, 0x3F);
2915 else if (rf->channel >= 140)
2916 rt2800_rfcsr_write(rt2x00dev, 59, 0x7C);
2917 if (rf->channel <= 116)
2918 rt2800_rfcsr_write(rt2x00dev, 62, 0x1D);
2919 else if (rf->channel >= 118)
2920 rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
2921 }
2922
2923 power_bound = POWER_BOUND_5G;
2924 ep_reg = 0x3;
2925 }
2926
2927 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2928 if (info->default_power1 > power_bound)
2929 rt2x00_set_field8(&rfcsr, RFCSR49_TX, power_bound);
2930 else
2931 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2932 if (is_type_ep)
2933 rt2x00_set_field8(&rfcsr, RFCSR49_EP, ep_reg);
2934 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2935
2936 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2937 if (info->default_power2 > power_bound)
2938 rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound);
2939 else
2940 rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2);
2941 if (is_type_ep)
2942 rt2x00_set_field8(&rfcsr, RFCSR50_EP, ep_reg);
2943 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2944
2945 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2946 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2947 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2948
2949 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD,
2950 rt2x00dev->default_ant.tx_chain_num >= 1);
2951 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
2952 rt2x00dev->default_ant.tx_chain_num == 2);
2953 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2954
2955 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD,
2956 rt2x00dev->default_ant.rx_chain_num >= 1);
2957 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
2958 rt2x00dev->default_ant.rx_chain_num == 2);
2959 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2960
2961 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2962 rt2800_rfcsr_write(rt2x00dev, 6, 0xe4);
2963
2964 if (conf_is_ht40(conf))
2965 rt2800_rfcsr_write(rt2x00dev, 30, 0x16);
2966 else
2967 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
2968
2969 if (!is_11b) {
2970 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
2971 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
2972 }
2973
2974 /* TODO proper frequency adjustment */
2975 rt2800_adjust_freq_offset(rt2x00dev);
2976
2977 /* TODO merge with others */
2978 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2979 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2980 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2981
2982 /* BBP settings */
2983 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
2984 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
2985 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
2986
2987 rt2800_bbp_write(rt2x00dev, 79, (rf->channel <= 14) ? 0x1C : 0x18);
2988 rt2800_bbp_write(rt2x00dev, 80, (rf->channel <= 14) ? 0x0E : 0x08);
2989 rt2800_bbp_write(rt2x00dev, 81, (rf->channel <= 14) ? 0x3A : 0x38);
2990 rt2800_bbp_write(rt2x00dev, 82, (rf->channel <= 14) ? 0x62 : 0x92);
2991
2992 /* GLRT band configuration */
2993 rt2800_bbp_write(rt2x00dev, 195, 128);
2994 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0xE0 : 0xF0);
2995 rt2800_bbp_write(rt2x00dev, 195, 129);
2996 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x1F : 0x1E);
2997 rt2800_bbp_write(rt2x00dev, 195, 130);
2998 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x38 : 0x28);
2999 rt2800_bbp_write(rt2x00dev, 195, 131);
3000 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x32 : 0x20);
3001 rt2800_bbp_write(rt2x00dev, 195, 133);
3002 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x28 : 0x7F);
3003 rt2800_bbp_write(rt2x00dev, 195, 124);
3004 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F);
3005 }
3006
3007 static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev,
3008 const unsigned int word,
3009 const u8 value)
3010 {
3011 u8 chain, reg;
3012
3013 for (chain = 0; chain < rt2x00dev->default_ant.rx_chain_num; chain++) {
3014 rt2800_bbp_read(rt2x00dev, 27, &reg);
3015 rt2x00_set_field8(&reg, BBP27_RX_CHAIN_SEL, chain);
3016 rt2800_bbp_write(rt2x00dev, 27, reg);
3017
3018 rt2800_bbp_write(rt2x00dev, word, value);
3019 }
3020 }
3021
3022 static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
3023 {
3024 u8 cal;
3025
3026 /* TX0 IQ Gain */
3027 rt2800_bbp_write(rt2x00dev, 158, 0x2c);
3028 if (channel <= 14)
3029 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_2G);
3030 else if (channel >= 36 && channel <= 64)
3031 cal = rt2x00_eeprom_byte(rt2x00dev,
3032 EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5G);
3033 else if (channel >= 100 && channel <= 138)
3034 cal = rt2x00_eeprom_byte(rt2x00dev,
3035 EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5G);
3036 else if (channel >= 140 && channel <= 165)
3037 cal = rt2x00_eeprom_byte(rt2x00dev,
3038 EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5G);
3039 else
3040 cal = 0;
3041 rt2800_bbp_write(rt2x00dev, 159, cal);
3042
3043 /* TX0 IQ Phase */
3044 rt2800_bbp_write(rt2x00dev, 158, 0x2d);
3045 if (channel <= 14)
3046 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_2G);
3047 else if (channel >= 36 && channel <= 64)
3048 cal = rt2x00_eeprom_byte(rt2x00dev,
3049 EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5G);
3050 else if (channel >= 100 && channel <= 138)
3051 cal = rt2x00_eeprom_byte(rt2x00dev,
3052 EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5G);
3053 else if (channel >= 140 && channel <= 165)
3054 cal = rt2x00_eeprom_byte(rt2x00dev,
3055 EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5G);
3056 else
3057 cal = 0;
3058 rt2800_bbp_write(rt2x00dev, 159, cal);
3059
3060 /* TX1 IQ Gain */
3061 rt2800_bbp_write(rt2x00dev, 158, 0x4a);
3062 if (channel <= 14)
3063 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_2G);
3064 else if (channel >= 36 && channel <= 64)
3065 cal = rt2x00_eeprom_byte(rt2x00dev,
3066 EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5G);
3067 else if (channel >= 100 && channel <= 138)
3068 cal = rt2x00_eeprom_byte(rt2x00dev,
3069 EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5G);
3070 else if (channel >= 140 && channel <= 165)
3071 cal = rt2x00_eeprom_byte(rt2x00dev,
3072 EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5G);
3073 else
3074 cal = 0;
3075 rt2800_bbp_write(rt2x00dev, 159, cal);
3076
3077 /* TX1 IQ Phase */
3078 rt2800_bbp_write(rt2x00dev, 158, 0x4b);
3079 if (channel <= 14)
3080 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_2G);
3081 else if (channel >= 36 && channel <= 64)
3082 cal = rt2x00_eeprom_byte(rt2x00dev,
3083 EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5G);
3084 else if (channel >= 100 && channel <= 138)
3085 cal = rt2x00_eeprom_byte(rt2x00dev,
3086 EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5G);
3087 else if (channel >= 140 && channel <= 165)
3088 cal = rt2x00_eeprom_byte(rt2x00dev,
3089 EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5G);
3090 else
3091 cal = 0;
3092 rt2800_bbp_write(rt2x00dev, 159, cal);
3093
3094 /* FIXME: possible RX0, RX1 callibration ? */
3095
3096 /* RF IQ compensation control */
3097 rt2800_bbp_write(rt2x00dev, 158, 0x04);
3098 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_COMPENSATION_CONTROL);
3099 rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
3100
3101 /* RF IQ imbalance compensation control */
3102 rt2800_bbp_write(rt2x00dev, 158, 0x03);
3103 cal = rt2x00_eeprom_byte(rt2x00dev,
3104 EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CONTROL);
3105 rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
3106 }
3107
3108 static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
3109 unsigned int channel,
3110 char txpower)
3111 {
3112 if (rt2x00_rt(rt2x00dev, RT3593))
3113 txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC);
3114
3115 if (channel <= 14)
3116 return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
3117
3118 if (rt2x00_rt(rt2x00dev, RT3593))
3119 return clamp_t(char, txpower, MIN_A_TXPOWER_3593,
3120 MAX_A_TXPOWER_3593);
3121 else
3122 return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
3123 }
3124
3125 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
3126 struct ieee80211_conf *conf,
3127 struct rf_channel *rf,
3128 struct channel_info *info)
3129 {
3130 u32 reg;
3131 unsigned int tx_pin;
3132 u8 bbp, rfcsr;
3133
3134 info->default_power1 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3135 info->default_power1);
3136 info->default_power2 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3137 info->default_power2);
3138 if (rt2x00dev->default_ant.tx_chain_num > 2)
3139 info->default_power3 =
3140 rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3141 info->default_power3);
3142
3143 switch (rt2x00dev->chip.rf) {
3144 case RF2020:
3145 case RF3020:
3146 case RF3021:
3147 case RF3022:
3148 case RF3320:
3149 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
3150 break;
3151 case RF3052:
3152 rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
3153 break;
3154 case RF3053:
3155 rt2800_config_channel_rf3053(rt2x00dev, conf, rf, info);
3156 break;
3157 case RF3290:
3158 rt2800_config_channel_rf3290(rt2x00dev, conf, rf, info);
3159 break;
3160 case RF3322:
3161 rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info);
3162 break;
3163 case RF3070:
3164 case RF5360:
3165 case RF5362:
3166 case RF5370:
3167 case RF5372:
3168 case RF5390:
3169 case RF5392:
3170 rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
3171 break;
3172 case RF5592:
3173 rt2800_config_channel_rf55xx(rt2x00dev, conf, rf, info);
3174 break;
3175 default:
3176 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
3177 }
3178
3179 if (rt2x00_rf(rt2x00dev, RF3070) ||
3180 rt2x00_rf(rt2x00dev, RF3290) ||
3181 rt2x00_rf(rt2x00dev, RF3322) ||
3182 rt2x00_rf(rt2x00dev, RF5360) ||
3183 rt2x00_rf(rt2x00dev, RF5362) ||
3184 rt2x00_rf(rt2x00dev, RF5370) ||
3185 rt2x00_rf(rt2x00dev, RF5372) ||
3186 rt2x00_rf(rt2x00dev, RF5390) ||
3187 rt2x00_rf(rt2x00dev, RF5392)) {
3188 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3189 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, 0);
3190 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, 0);
3191 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3192
3193 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
3194 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
3195 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
3196 }
3197
3198 /*
3199 * Change BBP settings
3200 */
3201 if (rt2x00_rt(rt2x00dev, RT3352)) {
3202 rt2800_bbp_write(rt2x00dev, 27, 0x0);
3203 rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
3204 rt2800_bbp_write(rt2x00dev, 27, 0x20);
3205 rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
3206 } else if (rt2x00_rt(rt2x00dev, RT3593)) {
3207 if (rf->channel > 14) {
3208 /* Disable CCK Packet detection on 5GHz */
3209 rt2800_bbp_write(rt2x00dev, 70, 0x00);
3210 } else {
3211 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3212 }
3213
3214 if (conf_is_ht40(conf))
3215 rt2800_bbp_write(rt2x00dev, 105, 0x04);
3216 else
3217 rt2800_bbp_write(rt2x00dev, 105, 0x34);
3218
3219 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3220 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3221 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3222 rt2800_bbp_write(rt2x00dev, 77, 0x98);
3223 } else {
3224 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3225 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3226 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3227 rt2800_bbp_write(rt2x00dev, 86, 0);
3228 }
3229
3230 if (rf->channel <= 14) {
3231 if (!rt2x00_rt(rt2x00dev, RT5390) &&
3232 !rt2x00_rt(rt2x00dev, RT5392)) {
3233 if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
3234 rt2800_bbp_write(rt2x00dev, 82, 0x62);
3235 rt2800_bbp_write(rt2x00dev, 75, 0x46);
3236 } else {
3237 if (rt2x00_rt(rt2x00dev, RT3593))
3238 rt2800_bbp_write(rt2x00dev, 82, 0x62);
3239 else
3240 rt2800_bbp_write(rt2x00dev, 82, 0x84);
3241 rt2800_bbp_write(rt2x00dev, 75, 0x50);
3242 }
3243 if (rt2x00_rt(rt2x00dev, RT3593))
3244 rt2800_bbp_write(rt2x00dev, 83, 0x8a);
3245 }
3246
3247 } else {
3248 if (rt2x00_rt(rt2x00dev, RT3572))
3249 rt2800_bbp_write(rt2x00dev, 82, 0x94);
3250 else if (rt2x00_rt(rt2x00dev, RT3593))
3251 rt2800_bbp_write(rt2x00dev, 82, 0x82);
3252 else
3253 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
3254
3255 if (rt2x00_rt(rt2x00dev, RT3593))
3256 rt2800_bbp_write(rt2x00dev, 83, 0x9a);
3257
3258 if (rt2x00_has_cap_external_lna_a(rt2x00dev))
3259 rt2800_bbp_write(rt2x00dev, 75, 0x46);
3260 else
3261 rt2800_bbp_write(rt2x00dev, 75, 0x50);
3262 }
3263
3264 rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
3265 rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
3266 rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
3267 rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
3268 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
3269
3270 if (rt2x00_rt(rt2x00dev, RT3572))
3271 rt2800_rfcsr_write(rt2x00dev, 8, 0);
3272
3273 tx_pin = 0;
3274
3275 switch (rt2x00dev->default_ant.tx_chain_num) {
3276 case 3:
3277 /* Turn on tertiary PAs */
3278 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN,
3279 rf->channel > 14);
3280 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN,
3281 rf->channel <= 14);
3282 /* fall-through */
3283 case 2:
3284 /* Turn on secondary PAs */
3285 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
3286 rf->channel > 14);
3287 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
3288 rf->channel <= 14);
3289 /* fall-through */
3290 case 1:
3291 /* Turn on primary PAs */
3292 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN,
3293 rf->channel > 14);
3294 if (rt2x00_has_cap_bt_coexist(rt2x00dev))
3295 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
3296 else
3297 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
3298 rf->channel <= 14);
3299 break;
3300 }
3301
3302 switch (rt2x00dev->default_ant.rx_chain_num) {
3303 case 3:
3304 /* Turn on tertiary LNAs */
3305 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
3306 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
3307 /* fall-through */
3308 case 2:
3309 /* Turn on secondary LNAs */
3310 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
3311 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
3312 /* fall-through */
3313 case 1:
3314 /* Turn on primary LNAs */
3315 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
3316 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
3317 break;
3318 }
3319
3320 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
3321 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
3322
3323 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
3324
3325 if (rt2x00_rt(rt2x00dev, RT3572)) {
3326 rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
3327
3328 /* AGC init */
3329 if (rf->channel <= 14)
3330 reg = 0x1c + (2 * rt2x00dev->lna_gain);
3331 else
3332 reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3);
3333
3334 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3335 }
3336
3337 if (rt2x00_rt(rt2x00dev, RT3593)) {
3338 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
3339
3340 /* Band selection */
3341 if (rt2x00_is_usb(rt2x00dev) ||
3342 rt2x00_is_pcie(rt2x00dev)) {
3343 /* GPIO #8 controls all paths */
3344 rt2x00_set_field32(&reg, GPIO_CTRL_DIR8, 0);
3345 if (rf->channel <= 14)
3346 rt2x00_set_field32(&reg, GPIO_CTRL_VAL8, 1);
3347 else
3348 rt2x00_set_field32(&reg, GPIO_CTRL_VAL8, 0);
3349 }
3350
3351 /* LNA PE control. */
3352 if (rt2x00_is_usb(rt2x00dev)) {
3353 /* GPIO #4 controls PE0 and PE1,
3354 * GPIO #7 controls PE2
3355 */
3356 rt2x00_set_field32(&reg, GPIO_CTRL_DIR4, 0);
3357 rt2x00_set_field32(&reg, GPIO_CTRL_DIR7, 0);
3358
3359 rt2x00_set_field32(&reg, GPIO_CTRL_VAL4, 1);
3360 rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 1);
3361 } else if (rt2x00_is_pcie(rt2x00dev)) {
3362 /* GPIO #4 controls PE0, PE1 and PE2 */
3363 rt2x00_set_field32(&reg, GPIO_CTRL_DIR4, 0);
3364 rt2x00_set_field32(&reg, GPIO_CTRL_VAL4, 1);
3365 }
3366
3367 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
3368
3369 /* AGC init */
3370 if (rf->channel <= 14)
3371 reg = 0x1c + 2 * rt2x00dev->lna_gain;
3372 else
3373 reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3);
3374
3375 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3376
3377 usleep_range(1000, 1500);
3378 }
3379
3380 if (rt2x00_rt(rt2x00dev, RT5592)) {
3381 rt2800_bbp_write(rt2x00dev, 195, 141);
3382 rt2800_bbp_write(rt2x00dev, 196, conf_is_ht40(conf) ? 0x10 : 0x1a);
3383
3384 /* AGC init */
3385 reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2 * rt2x00dev->lna_gain;
3386 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3387
3388 rt2800_iq_calibrate(rt2x00dev, rf->channel);
3389 }
3390
3391 rt2800_bbp_read(rt2x00dev, 4, &bbp);
3392 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
3393 rt2800_bbp_write(rt2x00dev, 4, bbp);
3394
3395 rt2800_bbp_read(rt2x00dev, 3, &bbp);
3396 rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
3397 rt2800_bbp_write(rt2x00dev, 3, bbp);
3398
3399 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
3400 if (conf_is_ht40(conf)) {
3401 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
3402 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3403 rt2800_bbp_write(rt2x00dev, 73, 0x16);
3404 } else {
3405 rt2800_bbp_write(rt2x00dev, 69, 0x16);
3406 rt2800_bbp_write(rt2x00dev, 70, 0x08);
3407 rt2800_bbp_write(rt2x00dev, 73, 0x11);
3408 }
3409 }
3410
3411 msleep(1);
3412
3413 /*
3414 * Clear channel statistic counters
3415 */
3416 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &reg);
3417 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &reg);
3418 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &reg);
3419
3420 /*
3421 * Clear update flag
3422 */
3423 if (rt2x00_rt(rt2x00dev, RT3352)) {
3424 rt2800_bbp_read(rt2x00dev, 49, &bbp);
3425 rt2x00_set_field8(&bbp, BBP49_UPDATE_FLAG, 0);
3426 rt2800_bbp_write(rt2x00dev, 49, bbp);
3427 }
3428 }
3429
3430 static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
3431 {
3432 u8 tssi_bounds[9];
3433 u8 current_tssi;
3434 u16 eeprom;
3435 u8 step;
3436 int i;
3437
3438 /*
3439 * First check if temperature compensation is supported.
3440 */
3441 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3442 if (!rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC))
3443 return 0;
3444
3445 /*
3446 * Read TSSI boundaries for temperature compensation from
3447 * the EEPROM.
3448 *
3449 * Array idx 0 1 2 3 4 5 6 7 8
3450 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4
3451 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
3452 */
3453 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
3454 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1, &eeprom);
3455 tssi_bounds[0] = rt2x00_get_field16(eeprom,
3456 EEPROM_TSSI_BOUND_BG1_MINUS4);
3457 tssi_bounds[1] = rt2x00_get_field16(eeprom,
3458 EEPROM_TSSI_BOUND_BG1_MINUS3);
3459
3460 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2, &eeprom);
3461 tssi_bounds[2] = rt2x00_get_field16(eeprom,
3462 EEPROM_TSSI_BOUND_BG2_MINUS2);
3463 tssi_bounds[3] = rt2x00_get_field16(eeprom,
3464 EEPROM_TSSI_BOUND_BG2_MINUS1);
3465
3466 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3, &eeprom);
3467 tssi_bounds[4] = rt2x00_get_field16(eeprom,
3468 EEPROM_TSSI_BOUND_BG3_REF);
3469 tssi_bounds[5] = rt2x00_get_field16(eeprom,
3470 EEPROM_TSSI_BOUND_BG3_PLUS1);
3471
3472 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4, &eeprom);
3473 tssi_bounds[6] = rt2x00_get_field16(eeprom,
3474 EEPROM_TSSI_BOUND_BG4_PLUS2);
3475 tssi_bounds[7] = rt2x00_get_field16(eeprom,
3476 EEPROM_TSSI_BOUND_BG4_PLUS3);
3477
3478 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5, &eeprom);
3479 tssi_bounds[8] = rt2x00_get_field16(eeprom,
3480 EEPROM_TSSI_BOUND_BG5_PLUS4);
3481
3482 step = rt2x00_get_field16(eeprom,
3483 EEPROM_TSSI_BOUND_BG5_AGC_STEP);
3484 } else {
3485 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1, &eeprom);
3486 tssi_bounds[0] = rt2x00_get_field16(eeprom,
3487 EEPROM_TSSI_BOUND_A1_MINUS4);
3488 tssi_bounds[1] = rt2x00_get_field16(eeprom,
3489 EEPROM_TSSI_BOUND_A1_MINUS3);
3490
3491 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2, &eeprom);
3492 tssi_bounds[2] = rt2x00_get_field16(eeprom,
3493 EEPROM_TSSI_BOUND_A2_MINUS2);
3494 tssi_bounds[3] = rt2x00_get_field16(eeprom,
3495 EEPROM_TSSI_BOUND_A2_MINUS1);
3496
3497 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3, &eeprom);
3498 tssi_bounds[4] = rt2x00_get_field16(eeprom,
3499 EEPROM_TSSI_BOUND_A3_REF);
3500 tssi_bounds[5] = rt2x00_get_field16(eeprom,
3501 EEPROM_TSSI_BOUND_A3_PLUS1);
3502
3503 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4, &eeprom);
3504 tssi_bounds[6] = rt2x00_get_field16(eeprom,
3505 EEPROM_TSSI_BOUND_A4_PLUS2);
3506 tssi_bounds[7] = rt2x00_get_field16(eeprom,
3507 EEPROM_TSSI_BOUND_A4_PLUS3);
3508
3509 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5, &eeprom);
3510 tssi_bounds[8] = rt2x00_get_field16(eeprom,
3511 EEPROM_TSSI_BOUND_A5_PLUS4);
3512
3513 step = rt2x00_get_field16(eeprom,
3514 EEPROM_TSSI_BOUND_A5_AGC_STEP);
3515 }
3516
3517 /*
3518 * Check if temperature compensation is supported.
3519 */
3520 if (tssi_bounds[4] == 0xff || step == 0xff)
3521 return 0;
3522
3523 /*
3524 * Read current TSSI (BBP 49).
3525 */
3526 rt2800_bbp_read(rt2x00dev, 49, &current_tssi);
3527
3528 /*
3529 * Compare TSSI value (BBP49) with the compensation boundaries
3530 * from the EEPROM and increase or decrease tx power.
3531 */
3532 for (i = 0; i <= 3; i++) {
3533 if (current_tssi > tssi_bounds[i])
3534 break;
3535 }
3536
3537 if (i == 4) {
3538 for (i = 8; i >= 5; i--) {
3539 if (current_tssi < tssi_bounds[i])
3540 break;
3541 }
3542 }
3543
3544 return (i - 4) * step;
3545 }
3546
3547 static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
3548 enum ieee80211_band band)
3549 {
3550 u16 eeprom;
3551 u8 comp_en;
3552 u8 comp_type;
3553 int comp_value = 0;
3554
3555 rt2800_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom);
3556
3557 /*
3558 * HT40 compensation not required.
3559 */
3560 if (eeprom == 0xffff ||
3561 !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
3562 return 0;
3563
3564 if (band == IEEE80211_BAND_2GHZ) {
3565 comp_en = rt2x00_get_field16(eeprom,
3566 EEPROM_TXPOWER_DELTA_ENABLE_2G);
3567 if (comp_en) {
3568 comp_type = rt2x00_get_field16(eeprom,
3569 EEPROM_TXPOWER_DELTA_TYPE_2G);
3570 comp_value = rt2x00_get_field16(eeprom,
3571 EEPROM_TXPOWER_DELTA_VALUE_2G);
3572 if (!comp_type)
3573 comp_value = -comp_value;
3574 }
3575 } else {
3576 comp_en = rt2x00_get_field16(eeprom,
3577 EEPROM_TXPOWER_DELTA_ENABLE_5G);
3578 if (comp_en) {
3579 comp_type = rt2x00_get_field16(eeprom,
3580 EEPROM_TXPOWER_DELTA_TYPE_5G);
3581 comp_value = rt2x00_get_field16(eeprom,
3582 EEPROM_TXPOWER_DELTA_VALUE_5G);
3583 if (!comp_type)
3584 comp_value = -comp_value;
3585 }
3586 }
3587
3588 return comp_value;
3589 }
3590
3591 static int rt2800_get_txpower_reg_delta(struct rt2x00_dev *rt2x00dev,
3592 int power_level, int max_power)
3593 {
3594 int delta;
3595
3596 if (rt2x00_has_cap_power_limit(rt2x00dev))
3597 return 0;
3598
3599 /*
3600 * XXX: We don't know the maximum transmit power of our hardware since
3601 * the EEPROM doesn't expose it. We only know that we are calibrated
3602 * to 100% tx power.
3603 *
3604 * Hence, we assume the regulatory limit that cfg80211 calulated for
3605 * the current channel is our maximum and if we are requested to lower
3606 * the value we just reduce our tx power accordingly.
3607 */
3608 delta = power_level - max_power;
3609 return min(delta, 0);
3610 }
3611
3612 static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
3613 enum ieee80211_band band, int power_level,
3614 u8 txpower, int delta)
3615 {
3616 u16 eeprom;
3617 u8 criterion;
3618 u8 eirp_txpower;
3619 u8 eirp_txpower_criterion;
3620 u8 reg_limit;
3621
3622 if (rt2x00_rt(rt2x00dev, RT3593))
3623 return min_t(u8, txpower, 0xc);
3624
3625 if (rt2x00_has_cap_power_limit(rt2x00dev)) {
3626 /*
3627 * Check if eirp txpower exceed txpower_limit.
3628 * We use OFDM 6M as criterion and its eirp txpower
3629 * is stored at EEPROM_EIRP_MAX_TX_POWER.
3630 * .11b data rate need add additional 4dbm
3631 * when calculating eirp txpower.
3632 */
3633 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3634 1, &eeprom);
3635 criterion = rt2x00_get_field16(eeprom,
3636 EEPROM_TXPOWER_BYRATE_RATE0);
3637
3638 rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER,
3639 &eeprom);
3640
3641 if (band == IEEE80211_BAND_2GHZ)
3642 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
3643 EEPROM_EIRP_MAX_TX_POWER_2GHZ);
3644 else
3645 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
3646 EEPROM_EIRP_MAX_TX_POWER_5GHZ);
3647
3648 eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
3649 (is_rate_b ? 4 : 0) + delta;
3650
3651 reg_limit = (eirp_txpower > power_level) ?
3652 (eirp_txpower - power_level) : 0;
3653 } else
3654 reg_limit = 0;
3655
3656 txpower = max(0, txpower + delta - reg_limit);
3657 return min_t(u8, txpower, 0xc);
3658 }
3659
3660
3661 enum {
3662 TX_PWR_CFG_0_IDX,
3663 TX_PWR_CFG_1_IDX,
3664 TX_PWR_CFG_2_IDX,
3665 TX_PWR_CFG_3_IDX,
3666 TX_PWR_CFG_4_IDX,
3667 TX_PWR_CFG_5_IDX,
3668 TX_PWR_CFG_6_IDX,
3669 TX_PWR_CFG_7_IDX,
3670 TX_PWR_CFG_8_IDX,
3671 TX_PWR_CFG_9_IDX,
3672 TX_PWR_CFG_0_EXT_IDX,
3673 TX_PWR_CFG_1_EXT_IDX,
3674 TX_PWR_CFG_2_EXT_IDX,
3675 TX_PWR_CFG_3_EXT_IDX,
3676 TX_PWR_CFG_4_EXT_IDX,
3677 TX_PWR_CFG_IDX_COUNT,
3678 };
3679
3680 static void rt2800_config_txpower_rt3593(struct rt2x00_dev *rt2x00dev,
3681 struct ieee80211_channel *chan,
3682 int power_level)
3683 {
3684 u8 txpower;
3685 u16 eeprom;
3686 u32 regs[TX_PWR_CFG_IDX_COUNT];
3687 unsigned int offset;
3688 enum ieee80211_band band = chan->band;
3689 int delta;
3690 int i;
3691
3692 memset(regs, '\0', sizeof(regs));
3693
3694 /* TODO: adapt TX power reduction from the rt28xx code */
3695
3696 /* calculate temperature compensation delta */
3697 delta = rt2800_get_gain_calibration_delta(rt2x00dev);
3698
3699 if (band == IEEE80211_BAND_5GHZ)
3700 offset = 16;
3701 else
3702 offset = 0;
3703
3704 if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
3705 offset += 8;
3706
3707 /* read the next four txpower values */
3708 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3709 offset, &eeprom);
3710
3711 /* CCK 1MBS,2MBS */
3712 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3713 txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level,
3714 txpower, delta);
3715 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3716 TX_PWR_CFG_0_CCK1_CH0, txpower);
3717 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3718 TX_PWR_CFG_0_CCK1_CH1, txpower);
3719 rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3720 TX_PWR_CFG_0_EXT_CCK1_CH2, txpower);
3721
3722 /* CCK 5.5MBS,11MBS */
3723 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3724 txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level,
3725 txpower, delta);
3726 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3727 TX_PWR_CFG_0_CCK5_CH0, txpower);
3728 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3729 TX_PWR_CFG_0_CCK5_CH1, txpower);
3730 rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3731 TX_PWR_CFG_0_EXT_CCK5_CH2, txpower);
3732
3733 /* OFDM 6MBS,9MBS */
3734 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3735 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3736 txpower, delta);
3737 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3738 TX_PWR_CFG_0_OFDM6_CH0, txpower);
3739 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3740 TX_PWR_CFG_0_OFDM6_CH1, txpower);
3741 rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3742 TX_PWR_CFG_0_EXT_OFDM6_CH2, txpower);
3743
3744 /* OFDM 12MBS,18MBS */
3745 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3746 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3747 txpower, delta);
3748 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3749 TX_PWR_CFG_0_OFDM12_CH0, txpower);
3750 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3751 TX_PWR_CFG_0_OFDM12_CH1, txpower);
3752 rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3753 TX_PWR_CFG_0_EXT_OFDM12_CH2, txpower);
3754
3755 /* read the next four txpower values */
3756 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3757 offset + 1, &eeprom);
3758
3759 /* OFDM 24MBS,36MBS */
3760 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3761 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3762 txpower, delta);
3763 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3764 TX_PWR_CFG_1_OFDM24_CH0, txpower);
3765 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3766 TX_PWR_CFG_1_OFDM24_CH1, txpower);
3767 rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3768 TX_PWR_CFG_1_EXT_OFDM24_CH2, txpower);
3769
3770 /* OFDM 48MBS */
3771 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3772 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3773 txpower, delta);
3774 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3775 TX_PWR_CFG_1_OFDM48_CH0, txpower);
3776 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3777 TX_PWR_CFG_1_OFDM48_CH1, txpower);
3778 rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3779 TX_PWR_CFG_1_EXT_OFDM48_CH2, txpower);
3780
3781 /* OFDM 54MBS */
3782 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3783 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3784 txpower, delta);
3785 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3786 TX_PWR_CFG_7_OFDM54_CH0, txpower);
3787 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3788 TX_PWR_CFG_7_OFDM54_CH1, txpower);
3789 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3790 TX_PWR_CFG_7_OFDM54_CH2, txpower);
3791
3792 /* read the next four txpower values */
3793 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3794 offset + 2, &eeprom);
3795
3796 /* MCS 0,1 */
3797 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3798 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3799 txpower, delta);
3800 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3801 TX_PWR_CFG_1_MCS0_CH0, txpower);
3802 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3803 TX_PWR_CFG_1_MCS0_CH1, txpower);
3804 rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3805 TX_PWR_CFG_1_EXT_MCS0_CH2, txpower);
3806
3807 /* MCS 2,3 */
3808 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3809 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3810 txpower, delta);
3811 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3812 TX_PWR_CFG_1_MCS2_CH0, txpower);
3813 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3814 TX_PWR_CFG_1_MCS2_CH1, txpower);
3815 rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3816 TX_PWR_CFG_1_EXT_MCS2_CH2, txpower);
3817
3818 /* MCS 4,5 */
3819 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3820 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3821 txpower, delta);
3822 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3823 TX_PWR_CFG_2_MCS4_CH0, txpower);
3824 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3825 TX_PWR_CFG_2_MCS4_CH1, txpower);
3826 rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3827 TX_PWR_CFG_2_EXT_MCS4_CH2, txpower);
3828
3829 /* MCS 6 */
3830 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3831 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3832 txpower, delta);
3833 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3834 TX_PWR_CFG_2_MCS6_CH0, txpower);
3835 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3836 TX_PWR_CFG_2_MCS6_CH1, txpower);
3837 rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3838 TX_PWR_CFG_2_EXT_MCS6_CH2, txpower);
3839
3840 /* read the next four txpower values */
3841 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3842 offset + 3, &eeprom);
3843
3844 /* MCS 7 */
3845 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3846 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3847 txpower, delta);
3848 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3849 TX_PWR_CFG_7_MCS7_CH0, txpower);
3850 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3851 TX_PWR_CFG_7_MCS7_CH1, txpower);
3852 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3853 TX_PWR_CFG_7_MCS7_CH2, txpower);
3854
3855 /* MCS 8,9 */
3856 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3857 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3858 txpower, delta);
3859 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3860 TX_PWR_CFG_2_MCS8_CH0, txpower);
3861 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3862 TX_PWR_CFG_2_MCS8_CH1, txpower);
3863 rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3864 TX_PWR_CFG_2_EXT_MCS8_CH2, txpower);
3865
3866 /* MCS 10,11 */
3867 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3868 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3869 txpower, delta);
3870 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3871 TX_PWR_CFG_2_MCS10_CH0, txpower);
3872 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3873 TX_PWR_CFG_2_MCS10_CH1, txpower);
3874 rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3875 TX_PWR_CFG_2_EXT_MCS10_CH2, txpower);
3876
3877 /* MCS 12,13 */
3878 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3879 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3880 txpower, delta);
3881 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3882 TX_PWR_CFG_3_MCS12_CH0, txpower);
3883 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3884 TX_PWR_CFG_3_MCS12_CH1, txpower);
3885 rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3886 TX_PWR_CFG_3_EXT_MCS12_CH2, txpower);
3887
3888 /* read the next four txpower values */
3889 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3890 offset + 4, &eeprom);
3891
3892 /* MCS 14 */
3893 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3894 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3895 txpower, delta);
3896 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3897 TX_PWR_CFG_3_MCS14_CH0, txpower);
3898 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3899 TX_PWR_CFG_3_MCS14_CH1, txpower);
3900 rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3901 TX_PWR_CFG_3_EXT_MCS14_CH2, txpower);
3902
3903 /* MCS 15 */
3904 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3905 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3906 txpower, delta);
3907 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3908 TX_PWR_CFG_8_MCS15_CH0, txpower);
3909 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3910 TX_PWR_CFG_8_MCS15_CH1, txpower);
3911 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3912 TX_PWR_CFG_8_MCS15_CH2, txpower);
3913
3914 /* MCS 16,17 */
3915 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3916 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3917 txpower, delta);
3918 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3919 TX_PWR_CFG_5_MCS16_CH0, txpower);
3920 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3921 TX_PWR_CFG_5_MCS16_CH1, txpower);
3922 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3923 TX_PWR_CFG_5_MCS16_CH2, txpower);
3924
3925 /* MCS 18,19 */
3926 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3927 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3928 txpower, delta);
3929 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3930 TX_PWR_CFG_5_MCS18_CH0, txpower);
3931 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3932 TX_PWR_CFG_5_MCS18_CH1, txpower);
3933 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3934 TX_PWR_CFG_5_MCS18_CH2, txpower);
3935
3936 /* read the next four txpower values */
3937 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3938 offset + 5, &eeprom);
3939
3940 /* MCS 20,21 */
3941 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3942 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3943 txpower, delta);
3944 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3945 TX_PWR_CFG_6_MCS20_CH0, txpower);
3946 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3947 TX_PWR_CFG_6_MCS20_CH1, txpower);
3948 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3949 TX_PWR_CFG_6_MCS20_CH2, txpower);
3950
3951 /* MCS 22 */
3952 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3953 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3954 txpower, delta);
3955 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3956 TX_PWR_CFG_6_MCS22_CH0, txpower);
3957 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3958 TX_PWR_CFG_6_MCS22_CH1, txpower);
3959 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3960 TX_PWR_CFG_6_MCS22_CH2, txpower);
3961
3962 /* MCS 23 */
3963 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3964 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3965 txpower, delta);
3966 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3967 TX_PWR_CFG_8_MCS23_CH0, txpower);
3968 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3969 TX_PWR_CFG_8_MCS23_CH1, txpower);
3970 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3971 TX_PWR_CFG_8_MCS23_CH2, txpower);
3972
3973 /* read the next four txpower values */
3974 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3975 offset + 6, &eeprom);
3976
3977 /* STBC, MCS 0,1 */
3978 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3979 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3980 txpower, delta);
3981 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3982 TX_PWR_CFG_3_STBC0_CH0, txpower);
3983 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3984 TX_PWR_CFG_3_STBC0_CH1, txpower);
3985 rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3986 TX_PWR_CFG_3_EXT_STBC0_CH2, txpower);
3987
3988 /* STBC, MCS 2,3 */
3989 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3990 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3991 txpower, delta);
3992 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3993 TX_PWR_CFG_3_STBC2_CH0, txpower);
3994 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3995 TX_PWR_CFG_3_STBC2_CH1, txpower);
3996 rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3997 TX_PWR_CFG_3_EXT_STBC2_CH2, txpower);
3998
3999 /* STBC, MCS 4,5 */
4000 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4001 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4002 txpower, delta);
4003 rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE0, txpower);
4004 rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE1, txpower);
4005 rt2x00_set_field32(&regs[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE0,
4006 txpower);
4007
4008 /* STBC, MCS 6 */
4009 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4010 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4011 txpower, delta);
4012 rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE2, txpower);
4013 rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE3, txpower);
4014 rt2x00_set_field32(&regs[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE2,
4015 txpower);
4016
4017 /* read the next four txpower values */
4018 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4019 offset + 7, &eeprom);
4020
4021 /* STBC, MCS 7 */
4022 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4023 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4024 txpower, delta);
4025 rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4026 TX_PWR_CFG_9_STBC7_CH0, txpower);
4027 rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4028 TX_PWR_CFG_9_STBC7_CH1, txpower);
4029 rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4030 TX_PWR_CFG_9_STBC7_CH2, txpower);
4031
4032 rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, regs[TX_PWR_CFG_0_IDX]);
4033 rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, regs[TX_PWR_CFG_1_IDX]);
4034 rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, regs[TX_PWR_CFG_2_IDX]);
4035 rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, regs[TX_PWR_CFG_3_IDX]);
4036 rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, regs[TX_PWR_CFG_4_IDX]);
4037 rt2800_register_write(rt2x00dev, TX_PWR_CFG_5, regs[TX_PWR_CFG_5_IDX]);
4038 rt2800_register_write(rt2x00dev, TX_PWR_CFG_6, regs[TX_PWR_CFG_6_IDX]);
4039 rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, regs[TX_PWR_CFG_7_IDX]);
4040 rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, regs[TX_PWR_CFG_8_IDX]);
4041 rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, regs[TX_PWR_CFG_9_IDX]);
4042
4043 rt2800_register_write(rt2x00dev, TX_PWR_CFG_0_EXT,
4044 regs[TX_PWR_CFG_0_EXT_IDX]);
4045 rt2800_register_write(rt2x00dev, TX_PWR_CFG_1_EXT,
4046 regs[TX_PWR_CFG_1_EXT_IDX]);
4047 rt2800_register_write(rt2x00dev, TX_PWR_CFG_2_EXT,
4048 regs[TX_PWR_CFG_2_EXT_IDX]);
4049 rt2800_register_write(rt2x00dev, TX_PWR_CFG_3_EXT,
4050 regs[TX_PWR_CFG_3_EXT_IDX]);
4051 rt2800_register_write(rt2x00dev, TX_PWR_CFG_4_EXT,
4052 regs[TX_PWR_CFG_4_EXT_IDX]);
4053
4054 for (i = 0; i < TX_PWR_CFG_IDX_COUNT; i++)
4055 rt2x00_dbg(rt2x00dev,
4056 "band:%cGHz, BW:%c0MHz, TX_PWR_CFG_%d%s = %08lx\n",
4057 (band == IEEE80211_BAND_5GHZ) ? '5' : '2',
4058 (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) ?
4059 '4' : '2',
4060 (i > TX_PWR_CFG_9_IDX) ?
4061 (i - TX_PWR_CFG_9_IDX - 1) : i,
4062 (i > TX_PWR_CFG_9_IDX) ? "_EXT" : "",
4063 (unsigned long) regs[i]);
4064 }
4065
4066 /*
4067 * We configure transmit power using MAC TX_PWR_CFG_{0,...,N} registers and
4068 * BBP R1 register. TX_PWR_CFG_X allow to configure per rate TX power values,
4069 * 4 bits for each rate (tune from 0 to 15 dBm). BBP_R1 controls transmit power
4070 * for all rates, but allow to set only 4 discrete values: -12, -6, 0 and 6 dBm.
4071 * Reference per rate transmit power values are located in the EEPROM at
4072 * EEPROM_TXPOWER_BYRATE offset. We adjust them and BBP R1 settings according to
4073 * current conditions (i.e. band, bandwidth, temperature, user settings).
4074 */
4075 static void rt2800_config_txpower_rt28xx(struct rt2x00_dev *rt2x00dev,
4076 struct ieee80211_channel *chan,
4077 int power_level)
4078 {
4079 u8 txpower, r1;
4080 u16 eeprom;
4081 u32 reg, offset;
4082 int i, is_rate_b, delta, power_ctrl;
4083 enum ieee80211_band band = chan->band;
4084
4085 /*
4086 * Calculate HT40 compensation. For 40MHz we need to add or subtract
4087 * value read from EEPROM (different for 2GHz and for 5GHz).
4088 */
4089 delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
4090
4091 /*
4092 * Calculate temperature compensation. Depends on measurement of current
4093 * TSSI (Transmitter Signal Strength Indication) we know TX power (due
4094 * to temperature or maybe other factors) is smaller or bigger than
4095 * expected. We adjust it, based on TSSI reference and boundaries values
4096 * provided in EEPROM.
4097 */
4098 switch (rt2x00dev->chip.rt) {
4099 case RT2860:
4100 case RT2872:
4101 case RT2883:
4102 case RT3070:
4103 case RT3071:
4104 case RT3090:
4105 case RT3572:
4106 delta += rt2800_get_gain_calibration_delta(rt2x00dev);
4107 break;
4108 default:
4109 /* TODO: temperature compensation code for other chips. */
4110 break;
4111 }
4112
4113 /*
4114 * Decrease power according to user settings, on devices with unknown
4115 * maximum tx power. For other devices we take user power_level into
4116 * consideration on rt2800_compensate_txpower().
4117 */
4118 delta += rt2800_get_txpower_reg_delta(rt2x00dev, power_level,
4119 chan->max_power);
4120
4121 /*
4122 * BBP_R1 controls TX power for all rates, it allow to set the following
4123 * gains -12, -6, 0, +6 dBm by setting values 2, 1, 0, 3 respectively.
4124 *
4125 * TODO: we do not use +6 dBm option to do not increase power beyond
4126 * regulatory limit, however this could be utilized for devices with
4127 * CAPABILITY_POWER_LIMIT.
4128 */
4129 if (delta <= -12) {
4130 power_ctrl = 2;
4131 delta += 12;
4132 } else if (delta <= -6) {
4133 power_ctrl = 1;
4134 delta += 6;
4135 } else {
4136 power_ctrl = 0;
4137 }
4138 rt2800_bbp_read(rt2x00dev, 1, &r1);
4139 rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, power_ctrl);
4140 rt2800_bbp_write(rt2x00dev, 1, r1);
4141
4142 offset = TX_PWR_CFG_0;
4143
4144 for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
4145 /* just to be safe */
4146 if (offset > TX_PWR_CFG_4)
4147 break;
4148
4149 rt2800_register_read(rt2x00dev, offset, &reg);
4150
4151 /* read the next four txpower values */
4152 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4153 i, &eeprom);
4154
4155 is_rate_b = i ? 0 : 1;
4156 /*
4157 * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
4158 * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
4159 * TX_PWR_CFG_4: unknown
4160 */
4161 txpower = rt2x00_get_field16(eeprom,
4162 EEPROM_TXPOWER_BYRATE_RATE0);
4163 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4164 power_level, txpower, delta);
4165 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE0, txpower);
4166
4167 /*
4168 * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
4169 * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
4170 * TX_PWR_CFG_4: unknown
4171 */
4172 txpower = rt2x00_get_field16(eeprom,
4173 EEPROM_TXPOWER_BYRATE_RATE1);
4174 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4175 power_level, txpower, delta);
4176 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE1, txpower);
4177
4178 /*
4179 * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
4180 * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14,
4181 * TX_PWR_CFG_4: unknown
4182 */
4183 txpower = rt2x00_get_field16(eeprom,
4184 EEPROM_TXPOWER_BYRATE_RATE2);
4185 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4186 power_level, txpower, delta);
4187 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE2, txpower);
4188
4189 /*
4190 * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
4191 * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15,
4192 * TX_PWR_CFG_4: unknown
4193 */
4194 txpower = rt2x00_get_field16(eeprom,
4195 EEPROM_TXPOWER_BYRATE_RATE3);
4196 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4197 power_level, txpower, delta);
4198 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE3, txpower);
4199
4200 /* read the next four txpower values */
4201 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4202 i + 1, &eeprom);
4203
4204 is_rate_b = 0;
4205 /*
4206 * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
4207 * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
4208 * TX_PWR_CFG_4: unknown
4209 */
4210 txpower = rt2x00_get_field16(eeprom,
4211 EEPROM_TXPOWER_BYRATE_RATE0);
4212 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4213 power_level, txpower, delta);
4214 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE4, txpower);
4215
4216 /*
4217 * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
4218 * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
4219 * TX_PWR_CFG_4: unknown
4220 */
4221 txpower = rt2x00_get_field16(eeprom,
4222 EEPROM_TXPOWER_BYRATE_RATE1);
4223 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4224 power_level, txpower, delta);
4225 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE5, txpower);
4226
4227 /*
4228 * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
4229 * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
4230 * TX_PWR_CFG_4: unknown
4231 */
4232 txpower = rt2x00_get_field16(eeprom,
4233 EEPROM_TXPOWER_BYRATE_RATE2);
4234 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4235 power_level, txpower, delta);
4236 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE6, txpower);
4237
4238 /*
4239 * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
4240 * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
4241 * TX_PWR_CFG_4: unknown
4242 */
4243 txpower = rt2x00_get_field16(eeprom,
4244 EEPROM_TXPOWER_BYRATE_RATE3);
4245 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4246 power_level, txpower, delta);
4247 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE7, txpower);
4248
4249 rt2800_register_write(rt2x00dev, offset, reg);
4250
4251 /* next TX_PWR_CFG register */
4252 offset += 4;
4253 }
4254 }
4255
4256 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
4257 struct ieee80211_channel *chan,
4258 int power_level)
4259 {
4260 if (rt2x00_rt(rt2x00dev, RT3593))
4261 rt2800_config_txpower_rt3593(rt2x00dev, chan, power_level);
4262 else
4263 rt2800_config_txpower_rt28xx(rt2x00dev, chan, power_level);
4264 }
4265
4266 void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
4267 {
4268 rt2800_config_txpower(rt2x00dev, rt2x00dev->hw->conf.chandef.chan,
4269 rt2x00dev->tx_power);
4270 }
4271 EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
4272
4273 void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
4274 {
4275 u32 tx_pin;
4276 u8 rfcsr;
4277
4278 /*
4279 * A voltage-controlled oscillator(VCO) is an electronic oscillator
4280 * designed to be controlled in oscillation frequency by a voltage
4281 * input. Maybe the temperature will affect the frequency of
4282 * oscillation to be shifted. The VCO calibration will be called
4283 * periodically to adjust the frequency to be precision.
4284 */
4285
4286 rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
4287 tx_pin &= TX_PIN_CFG_PA_PE_DISABLE;
4288 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
4289
4290 switch (rt2x00dev->chip.rf) {
4291 case RF2020:
4292 case RF3020:
4293 case RF3021:
4294 case RF3022:
4295 case RF3320:
4296 case RF3052:
4297 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
4298 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
4299 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
4300 break;
4301 case RF3053:
4302 case RF3070:
4303 case RF3290:
4304 case RF5360:
4305 case RF5362:
4306 case RF5370:
4307 case RF5372:
4308 case RF5390:
4309 case RF5392:
4310 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
4311 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
4312 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
4313 break;
4314 default:
4315 return;
4316 }
4317
4318 mdelay(1);
4319
4320 rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
4321 if (rt2x00dev->rf_channel <= 14) {
4322 switch (rt2x00dev->default_ant.tx_chain_num) {
4323 case 3:
4324 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1);
4325 /* fall through */
4326 case 2:
4327 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
4328 /* fall through */
4329 case 1:
4330 default:
4331 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
4332 break;
4333 }
4334 } else {
4335 switch (rt2x00dev->default_ant.tx_chain_num) {
4336 case 3:
4337 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1);
4338 /* fall through */
4339 case 2:
4340 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
4341 /* fall through */
4342 case 1:
4343 default:
4344 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
4345 break;
4346 }
4347 }
4348 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
4349
4350 }
4351 EXPORT_SYMBOL_GPL(rt2800_vco_calibration);
4352
4353 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
4354 struct rt2x00lib_conf *libconf)
4355 {
4356 u32 reg;
4357
4358 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
4359 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
4360 libconf->conf->short_frame_max_tx_count);
4361 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
4362 libconf->conf->long_frame_max_tx_count);
4363 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
4364 }
4365
4366 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
4367 struct rt2x00lib_conf *libconf)
4368 {
4369 enum dev_state state =
4370 (libconf->conf->flags & IEEE80211_CONF_PS) ?
4371 STATE_SLEEP : STATE_AWAKE;
4372 u32 reg;
4373
4374 if (state == STATE_SLEEP) {
4375 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
4376
4377 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
4378 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
4379 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
4380 libconf->conf->listen_interval - 1);
4381 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
4382 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
4383
4384 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
4385 } else {
4386 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
4387 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
4388 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
4389 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
4390 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
4391
4392 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
4393 }
4394 }
4395
4396 void rt2800_config(struct rt2x00_dev *rt2x00dev,
4397 struct rt2x00lib_conf *libconf,
4398 const unsigned int flags)
4399 {
4400 /* Always recalculate LNA gain before changing configuration */
4401 rt2800_config_lna_gain(rt2x00dev, libconf);
4402
4403 if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
4404 rt2800_config_channel(rt2x00dev, libconf->conf,
4405 &libconf->rf, &libconf->channel);
4406 rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
4407 libconf->conf->power_level);
4408 }
4409 if (flags & IEEE80211_CONF_CHANGE_POWER)
4410 rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
4411 libconf->conf->power_level);
4412 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
4413 rt2800_config_retry_limit(rt2x00dev, libconf);
4414 if (flags & IEEE80211_CONF_CHANGE_PS)
4415 rt2800_config_ps(rt2x00dev, libconf);
4416 }
4417 EXPORT_SYMBOL_GPL(rt2800_config);
4418
4419 /*
4420 * Link tuning
4421 */
4422 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
4423 {
4424 u32 reg;
4425
4426 /*
4427 * Update FCS error count from register.
4428 */
4429 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
4430 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
4431 }
4432 EXPORT_SYMBOL_GPL(rt2800_link_stats);
4433
4434 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
4435 {
4436 u8 vgc;
4437
4438 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
4439 if (rt2x00_rt(rt2x00dev, RT3070) ||
4440 rt2x00_rt(rt2x00dev, RT3071) ||
4441 rt2x00_rt(rt2x00dev, RT3090) ||
4442 rt2x00_rt(rt2x00dev, RT3290) ||
4443 rt2x00_rt(rt2x00dev, RT3390) ||
4444 rt2x00_rt(rt2x00dev, RT3572) ||
4445 rt2x00_rt(rt2x00dev, RT3593) ||
4446 rt2x00_rt(rt2x00dev, RT5390) ||
4447 rt2x00_rt(rt2x00dev, RT5392) ||
4448 rt2x00_rt(rt2x00dev, RT5592))
4449 vgc = 0x1c + (2 * rt2x00dev->lna_gain);
4450 else
4451 vgc = 0x2e + rt2x00dev->lna_gain;
4452 } else { /* 5GHZ band */
4453 if (rt2x00_rt(rt2x00dev, RT3593))
4454 vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3;
4455 else if (rt2x00_rt(rt2x00dev, RT5592))
4456 vgc = 0x24 + (2 * rt2x00dev->lna_gain);
4457 else {
4458 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
4459 vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3;
4460 else
4461 vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3;
4462 }
4463 }
4464
4465 return vgc;
4466 }
4467
4468 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
4469 struct link_qual *qual, u8 vgc_level)
4470 {
4471 if (qual->vgc_level != vgc_level) {
4472 if (rt2x00_rt(rt2x00dev, RT3572) ||
4473 rt2x00_rt(rt2x00dev, RT3593)) {
4474 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
4475 vgc_level);
4476 } else if (rt2x00_rt(rt2x00dev, RT5592)) {
4477 rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a);
4478 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level);
4479 } else {
4480 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
4481 }
4482
4483 qual->vgc_level = vgc_level;
4484 qual->vgc_level_reg = vgc_level;
4485 }
4486 }
4487
4488 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
4489 {
4490 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
4491 }
4492 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
4493
4494 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
4495 const u32 count)
4496 {
4497 u8 vgc;
4498
4499 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
4500 return;
4501
4502 /* When RSSI is better than a certain threshold, increase VGC
4503 * with a chip specific value in order to improve the balance
4504 * between sensibility and noise isolation.
4505 */
4506
4507 vgc = rt2800_get_default_vgc(rt2x00dev);
4508
4509 switch (rt2x00dev->chip.rt) {
4510 case RT3572:
4511 case RT3593:
4512 if (qual->rssi > -65) {
4513 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ)
4514 vgc += 0x20;
4515 else
4516 vgc += 0x10;
4517 }
4518 break;
4519
4520 case RT5592:
4521 if (qual->rssi > -65)
4522 vgc += 0x20;
4523 break;
4524
4525 default:
4526 if (qual->rssi > -80)
4527 vgc += 0x10;
4528 break;
4529 }
4530
4531 rt2800_set_vgc(rt2x00dev, qual, vgc);
4532 }
4533 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
4534
4535 /*
4536 * Initialization functions.
4537 */
4538 static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
4539 {
4540 u32 reg;
4541 u16 eeprom;
4542 unsigned int i;
4543 int ret;
4544
4545 rt2800_disable_wpdma(rt2x00dev);
4546
4547 ret = rt2800_drv_init_registers(rt2x00dev);
4548 if (ret)
4549 return ret;
4550
4551 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
4552 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
4553
4554 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
4555
4556 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
4557 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
4558 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
4559 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
4560 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
4561 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
4562 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
4563 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
4564
4565 rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
4566
4567 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
4568 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
4569 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
4570 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
4571
4572 if (rt2x00_rt(rt2x00dev, RT3290)) {
4573 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
4574 if (rt2x00_get_field32(reg, WLAN_EN) == 1) {
4575 rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 1);
4576 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
4577 }
4578
4579 rt2800_register_read(rt2x00dev, CMB_CTRL, &reg);
4580 if (!(rt2x00_get_field32(reg, LDO0_EN) == 1)) {
4581 rt2x00_set_field32(&reg, LDO0_EN, 1);
4582 rt2x00_set_field32(&reg, LDO_BGSEL, 3);
4583 rt2800_register_write(rt2x00dev, CMB_CTRL, reg);
4584 }
4585
4586 rt2800_register_read(rt2x00dev, OSC_CTRL, &reg);
4587 rt2x00_set_field32(&reg, OSC_ROSC_EN, 1);
4588 rt2x00_set_field32(&reg, OSC_CAL_REQ, 1);
4589 rt2x00_set_field32(&reg, OSC_REF_CYCLE, 0x27);
4590 rt2800_register_write(rt2x00dev, OSC_CTRL, reg);
4591
4592 rt2800_register_read(rt2x00dev, COEX_CFG0, &reg);
4593 rt2x00_set_field32(&reg, COEX_CFG_ANT, 0x5e);
4594 rt2800_register_write(rt2x00dev, COEX_CFG0, reg);
4595
4596 rt2800_register_read(rt2x00dev, COEX_CFG2, &reg);
4597 rt2x00_set_field32(&reg, BT_COEX_CFG1, 0x00);
4598 rt2x00_set_field32(&reg, BT_COEX_CFG0, 0x17);
4599 rt2x00_set_field32(&reg, WL_COEX_CFG1, 0x93);
4600 rt2x00_set_field32(&reg, WL_COEX_CFG0, 0x7f);
4601 rt2800_register_write(rt2x00dev, COEX_CFG2, reg);
4602
4603 rt2800_register_read(rt2x00dev, PLL_CTRL, &reg);
4604 rt2x00_set_field32(&reg, PLL_CONTROL, 1);
4605 rt2800_register_write(rt2x00dev, PLL_CTRL, reg);
4606 }
4607
4608 if (rt2x00_rt(rt2x00dev, RT3071) ||
4609 rt2x00_rt(rt2x00dev, RT3090) ||
4610 rt2x00_rt(rt2x00dev, RT3290) ||
4611 rt2x00_rt(rt2x00dev, RT3390)) {
4612
4613 if (rt2x00_rt(rt2x00dev, RT3290))
4614 rt2800_register_write(rt2x00dev, TX_SW_CFG0,
4615 0x00000404);
4616 else
4617 rt2800_register_write(rt2x00dev, TX_SW_CFG0,
4618 0x00000400);
4619
4620 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4621 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
4622 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
4623 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
4624 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1,
4625 &eeprom);
4626 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
4627 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4628 0x0000002c);
4629 else
4630 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4631 0x0000000f);
4632 } else {
4633 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4634 }
4635 } else if (rt2x00_rt(rt2x00dev, RT3070)) {
4636 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
4637
4638 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
4639 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4640 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
4641 } else {
4642 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4643 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4644 }
4645 } else if (rt2800_is_305x_soc(rt2x00dev)) {
4646 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
4647 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4648 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
4649 } else if (rt2x00_rt(rt2x00dev, RT3352)) {
4650 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
4651 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4652 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4653 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
4654 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
4655 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4656 } else if (rt2x00_rt(rt2x00dev, RT3593)) {
4657 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
4658 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4659 if (rt2x00_rt_rev_lt(rt2x00dev, RT3593, REV_RT3593E)) {
4660 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1,
4661 &eeprom);
4662 if (rt2x00_get_field16(eeprom,
4663 EEPROM_NIC_CONF1_DAC_TEST))
4664 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4665 0x0000001f);
4666 else
4667 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4668 0x0000000f);
4669 } else {
4670 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4671 0x00000000);
4672 }
4673 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
4674 rt2x00_rt(rt2x00dev, RT5392) ||
4675 rt2x00_rt(rt2x00dev, RT5592)) {
4676 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
4677 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4678 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4679 } else {
4680 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
4681 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4682 }
4683
4684 rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
4685 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
4686 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
4687 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
4688 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
4689 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
4690 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
4691 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
4692 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
4693 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
4694
4695 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
4696 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
4697 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
4698 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
4699 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
4700
4701 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
4702 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
4703 if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
4704 rt2x00_rt(rt2x00dev, RT2883) ||
4705 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
4706 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
4707 else
4708 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
4709 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
4710 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
4711 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
4712
4713 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
4714 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
4715 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
4716 rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
4717 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
4718 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
4719 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
4720 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
4721 rt2800_register_write(rt2x00dev, LED_CFG, reg);
4722
4723 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
4724
4725 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
4726 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
4727 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
4728 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
4729 rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
4730 rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
4731 rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
4732 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
4733
4734 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
4735 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
4736 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
4737 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
4738 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
4739 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 1);
4740 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
4741 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
4742 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
4743
4744 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
4745 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
4746 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
4747 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
4748 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4749 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4750 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4751 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4752 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4753 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4754 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
4755 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
4756
4757 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
4758 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
4759 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
4760 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
4761 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4762 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4763 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4764 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4765 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4766 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4767 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
4768 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
4769
4770 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
4771 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
4772 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
4773 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
4774 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4775 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4776 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4777 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4778 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4779 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4780 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
4781 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
4782
4783 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
4784 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
4785 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
4786 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
4787 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4788 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4789 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4790 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
4791 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4792 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
4793 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
4794 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
4795
4796 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
4797 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
4798 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
4799 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
4800 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4801 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4802 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4803 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4804 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4805 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4806 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
4807 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
4808
4809 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
4810 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
4811 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
4812 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
4813 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4814 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4815 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4816 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
4817 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4818 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
4819 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
4820 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
4821
4822 if (rt2x00_is_usb(rt2x00dev)) {
4823 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
4824
4825 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
4826 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
4827 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
4828 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
4829 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
4830 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
4831 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
4832 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
4833 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
4834 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
4835 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
4836 }
4837
4838 /*
4839 * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
4840 * although it is reserved.
4841 */
4842 rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, &reg);
4843 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
4844 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
4845 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
4846 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
4847 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
4848 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
4849 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
4850 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
4851 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
4852 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CWMIN, 0);
4853 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
4854
4855 reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
4856 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
4857
4858 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
4859 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
4860 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
4861 IEEE80211_MAX_RTS_THRESHOLD);
4862 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
4863 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
4864
4865 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
4866
4867 /*
4868 * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
4869 * time should be set to 16. However, the original Ralink driver uses
4870 * 16 for both and indeed using a value of 10 for CCK SIFS results in
4871 * connection problems with 11g + CTS protection. Hence, use the same
4872 * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
4873 */
4874 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
4875 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
4876 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
4877 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
4878 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
4879 rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
4880 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
4881
4882 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
4883
4884 /*
4885 * ASIC will keep garbage value after boot, clear encryption keys.
4886 */
4887 for (i = 0; i < 4; i++)
4888 rt2800_register_write(rt2x00dev,
4889 SHARED_KEY_MODE_ENTRY(i), 0);
4890
4891 for (i = 0; i < 256; i++) {
4892 rt2800_config_wcid(rt2x00dev, NULL, i);
4893 rt2800_delete_wcid_attr(rt2x00dev, i);
4894 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
4895 }
4896
4897 /*
4898 * Clear all beacons
4899 */
4900 for (i = 0; i < 8; i++)
4901 rt2800_clear_beacon_register(rt2x00dev, i);
4902
4903 if (rt2x00_is_usb(rt2x00dev)) {
4904 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
4905 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 30);
4906 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
4907 } else if (rt2x00_is_pcie(rt2x00dev)) {
4908 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
4909 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
4910 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
4911 }
4912
4913 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
4914 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
4915 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
4916 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
4917 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
4918 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
4919 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
4920 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
4921 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
4922 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
4923
4924 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
4925 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
4926 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
4927 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
4928 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
4929 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
4930 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
4931 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
4932 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
4933 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
4934
4935 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
4936 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
4937 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
4938 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
4939 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
4940 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
4941 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
4942 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
4943 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
4944 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
4945
4946 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
4947 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
4948 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
4949 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
4950 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
4951 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
4952
4953 /*
4954 * Do not force the BA window size, we use the TXWI to set it
4955 */
4956 rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, &reg);
4957 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
4958 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
4959 rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
4960
4961 /*
4962 * We must clear the error counters.
4963 * These registers are cleared on read,
4964 * so we may pass a useless variable to store the value.
4965 */
4966 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
4967 rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
4968 rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
4969 rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
4970 rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
4971 rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
4972
4973 /*
4974 * Setup leadtime for pre tbtt interrupt to 6ms
4975 */
4976 rt2800_register_read(rt2x00dev, INT_TIMER_CFG, &reg);
4977 rt2x00_set_field32(&reg, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
4978 rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
4979
4980 /*
4981 * Set up channel statistics timer
4982 */
4983 rt2800_register_read(rt2x00dev, CH_TIME_CFG, &reg);
4984 rt2x00_set_field32(&reg, CH_TIME_CFG_EIFS_BUSY, 1);
4985 rt2x00_set_field32(&reg, CH_TIME_CFG_NAV_BUSY, 1);
4986 rt2x00_set_field32(&reg, CH_TIME_CFG_RX_BUSY, 1);
4987 rt2x00_set_field32(&reg, CH_TIME_CFG_TX_BUSY, 1);
4988 rt2x00_set_field32(&reg, CH_TIME_CFG_TMR_EN, 1);
4989 rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
4990
4991 return 0;
4992 }
4993
4994 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
4995 {
4996 unsigned int i;
4997 u32 reg;
4998
4999 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
5000 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
5001 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
5002 return 0;
5003
5004 udelay(REGISTER_BUSY_DELAY);
5005 }
5006
5007 rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n");
5008 return -EACCES;
5009 }
5010
5011 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
5012 {
5013 unsigned int i;
5014 u8 value;
5015
5016 /*
5017 * BBP was enabled after firmware was loaded,
5018 * but we need to reactivate it now.
5019 */
5020 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
5021 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
5022 msleep(1);
5023
5024 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
5025 rt2800_bbp_read(rt2x00dev, 0, &value);
5026 if ((value != 0xff) && (value != 0x00))
5027 return 0;
5028 udelay(REGISTER_BUSY_DELAY);
5029 }
5030
5031 rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n");
5032 return -EACCES;
5033 }
5034
5035 static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev)
5036 {
5037 u8 value;
5038
5039 rt2800_bbp_read(rt2x00dev, 4, &value);
5040 rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
5041 rt2800_bbp_write(rt2x00dev, 4, value);
5042 }
5043
5044 static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev)
5045 {
5046 rt2800_bbp_write(rt2x00dev, 142, 1);
5047 rt2800_bbp_write(rt2x00dev, 143, 57);
5048 }
5049
5050 static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev)
5051 {
5052 const u8 glrt_table[] = {
5053 0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */
5054 0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */
5055 0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */
5056 0X3C, 0x34, 0x2C, 0x2F, 0x3C, 0x35, 0x2E, 0x2A, 0x49, 0x41, /* 158 ~ 167 */
5057 0x36, 0x31, 0x30, 0x30, 0x0E, 0x0D, 0x28, 0x21, 0x1C, 0x16, /* 168 ~ 177 */
5058 0x50, 0x4A, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, /* 178 ~ 187 */
5059 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 188 ~ 197 */
5060 0x00, 0x00, 0x7D, 0x14, 0x32, 0x2C, 0x36, 0x4C, 0x43, 0x2C, /* 198 ~ 207 */
5061 0x2E, 0x36, 0x30, 0x6E, /* 208 ~ 211 */
5062 };
5063 int i;
5064
5065 for (i = 0; i < ARRAY_SIZE(glrt_table); i++) {
5066 rt2800_bbp_write(rt2x00dev, 195, 128 + i);
5067 rt2800_bbp_write(rt2x00dev, 196, glrt_table[i]);
5068 }
5069 };
5070
5071 static void rt2800_init_bbp_early(struct rt2x00_dev *rt2x00dev)
5072 {
5073 rt2800_bbp_write(rt2x00dev, 65, 0x2C);
5074 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5075 rt2800_bbp_write(rt2x00dev, 68, 0x0B);
5076 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5077 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5078 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5079 rt2800_bbp_write(rt2x00dev, 81, 0x37);
5080 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5081 rt2800_bbp_write(rt2x00dev, 83, 0x6A);
5082 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5083 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5084 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5085 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5086 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5087 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5088 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5089 }
5090
5091 static void rt2800_disable_unused_dac_adc(struct rt2x00_dev *rt2x00dev)
5092 {
5093 u16 eeprom;
5094 u8 value;
5095
5096 rt2800_bbp_read(rt2x00dev, 138, &value);
5097 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5098 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5099 value |= 0x20;
5100 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5101 value &= ~0x02;
5102 rt2800_bbp_write(rt2x00dev, 138, value);
5103 }
5104
5105 static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev)
5106 {
5107 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5108
5109 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5110 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5111
5112 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5113 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5114
5115 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5116
5117 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
5118 rt2800_bbp_write(rt2x00dev, 80, 0x08);
5119
5120 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5121
5122 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5123
5124 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5125
5126 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5127
5128 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5129
5130 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5131
5132 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5133
5134 rt2800_bbp_write(rt2x00dev, 105, 0x01);
5135
5136 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5137 }
5138
5139 static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev)
5140 {
5141 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5142 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5143
5144 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
5145 rt2800_bbp_write(rt2x00dev, 69, 0x16);
5146 rt2800_bbp_write(rt2x00dev, 73, 0x12);
5147 } else {
5148 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5149 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5150 }
5151
5152 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5153
5154 rt2800_bbp_write(rt2x00dev, 81, 0x37);
5155
5156 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5157
5158 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5159
5160 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
5161 rt2800_bbp_write(rt2x00dev, 84, 0x19);
5162 else
5163 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5164
5165 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5166
5167 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5168
5169 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5170
5171 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5172
5173 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5174
5175 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5176 }
5177
5178 static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev)
5179 {
5180 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5181 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5182
5183 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5184 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5185
5186 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5187
5188 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5189 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5190 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5191
5192 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5193
5194 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5195
5196 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5197
5198 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5199
5200 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5201
5202 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5203
5204 if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
5205 rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
5206 rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E))
5207 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5208 else
5209 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5210
5211 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5212
5213 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5214
5215 if (rt2x00_rt(rt2x00dev, RT3071) ||
5216 rt2x00_rt(rt2x00dev, RT3090))
5217 rt2800_disable_unused_dac_adc(rt2x00dev);
5218 }
5219
5220 static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev)
5221 {
5222 u8 value;
5223
5224 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5225
5226 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5227
5228 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5229 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5230
5231 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5232
5233 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5234 rt2800_bbp_write(rt2x00dev, 73, 0x13);
5235 rt2800_bbp_write(rt2x00dev, 75, 0x46);
5236 rt2800_bbp_write(rt2x00dev, 76, 0x28);
5237
5238 rt2800_bbp_write(rt2x00dev, 77, 0x58);
5239
5240 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5241
5242 rt2800_bbp_write(rt2x00dev, 74, 0x0b);
5243 rt2800_bbp_write(rt2x00dev, 79, 0x18);
5244 rt2800_bbp_write(rt2x00dev, 80, 0x09);
5245 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5246
5247 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5248
5249 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
5250
5251 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
5252
5253 rt2800_bbp_write(rt2x00dev, 86, 0x38);
5254
5255 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5256
5257 rt2800_bbp_write(rt2x00dev, 92, 0x02);
5258
5259 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5260
5261 rt2800_bbp_write(rt2x00dev, 104, 0x92);
5262
5263 rt2800_bbp_write(rt2x00dev, 105, 0x1c);
5264
5265 rt2800_bbp_write(rt2x00dev, 106, 0x03);
5266
5267 rt2800_bbp_write(rt2x00dev, 128, 0x12);
5268
5269 rt2800_bbp_write(rt2x00dev, 67, 0x24);
5270 rt2800_bbp_write(rt2x00dev, 143, 0x04);
5271 rt2800_bbp_write(rt2x00dev, 142, 0x99);
5272 rt2800_bbp_write(rt2x00dev, 150, 0x30);
5273 rt2800_bbp_write(rt2x00dev, 151, 0x2e);
5274 rt2800_bbp_write(rt2x00dev, 152, 0x20);
5275 rt2800_bbp_write(rt2x00dev, 153, 0x34);
5276 rt2800_bbp_write(rt2x00dev, 154, 0x40);
5277 rt2800_bbp_write(rt2x00dev, 155, 0x3b);
5278 rt2800_bbp_write(rt2x00dev, 253, 0x04);
5279
5280 rt2800_bbp_read(rt2x00dev, 47, &value);
5281 rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1);
5282 rt2800_bbp_write(rt2x00dev, 47, value);
5283
5284 /* Use 5-bit ADC for Acquisition and 8-bit ADC for data */
5285 rt2800_bbp_read(rt2x00dev, 3, &value);
5286 rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1);
5287 rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1);
5288 rt2800_bbp_write(rt2x00dev, 3, value);
5289 }
5290
5291 static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev)
5292 {
5293 rt2800_bbp_write(rt2x00dev, 3, 0x00);
5294 rt2800_bbp_write(rt2x00dev, 4, 0x50);
5295
5296 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5297
5298 rt2800_bbp_write(rt2x00dev, 47, 0x48);
5299
5300 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5301 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5302
5303 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5304
5305 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5306 rt2800_bbp_write(rt2x00dev, 73, 0x13);
5307 rt2800_bbp_write(rt2x00dev, 75, 0x46);
5308 rt2800_bbp_write(rt2x00dev, 76, 0x28);
5309
5310 rt2800_bbp_write(rt2x00dev, 77, 0x59);
5311
5312 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5313
5314 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
5315 rt2800_bbp_write(rt2x00dev, 80, 0x08);
5316 rt2800_bbp_write(rt2x00dev, 81, 0x37);
5317
5318 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5319
5320 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5321
5322 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5323
5324 rt2800_bbp_write(rt2x00dev, 86, 0x38);
5325
5326 rt2800_bbp_write(rt2x00dev, 88, 0x90);
5327
5328 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5329
5330 rt2800_bbp_write(rt2x00dev, 92, 0x02);
5331
5332 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5333
5334 rt2800_bbp_write(rt2x00dev, 104, 0x92);
5335
5336 rt2800_bbp_write(rt2x00dev, 105, 0x34);
5337
5338 rt2800_bbp_write(rt2x00dev, 106, 0x05);
5339
5340 rt2800_bbp_write(rt2x00dev, 120, 0x50);
5341
5342 rt2800_bbp_write(rt2x00dev, 137, 0x0f);
5343
5344 rt2800_bbp_write(rt2x00dev, 163, 0xbd);
5345 /* Set ITxBF timeout to 0x9c40=1000msec */
5346 rt2800_bbp_write(rt2x00dev, 179, 0x02);
5347 rt2800_bbp_write(rt2x00dev, 180, 0x00);
5348 rt2800_bbp_write(rt2x00dev, 182, 0x40);
5349 rt2800_bbp_write(rt2x00dev, 180, 0x01);
5350 rt2800_bbp_write(rt2x00dev, 182, 0x9c);
5351 rt2800_bbp_write(rt2x00dev, 179, 0x00);
5352 /* Reprogram the inband interface to put right values in RXWI */
5353 rt2800_bbp_write(rt2x00dev, 142, 0x04);
5354 rt2800_bbp_write(rt2x00dev, 143, 0x3b);
5355 rt2800_bbp_write(rt2x00dev, 142, 0x06);
5356 rt2800_bbp_write(rt2x00dev, 143, 0xa0);
5357 rt2800_bbp_write(rt2x00dev, 142, 0x07);
5358 rt2800_bbp_write(rt2x00dev, 143, 0xa1);
5359 rt2800_bbp_write(rt2x00dev, 142, 0x08);
5360 rt2800_bbp_write(rt2x00dev, 143, 0xa2);
5361
5362 rt2800_bbp_write(rt2x00dev, 148, 0xc8);
5363 }
5364
5365 static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev)
5366 {
5367 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5368 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5369
5370 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5371 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5372
5373 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5374
5375 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5376 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5377 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5378
5379 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5380
5381 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5382
5383 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5384
5385 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5386
5387 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5388
5389 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5390
5391 if (rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E))
5392 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5393 else
5394 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5395
5396 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5397
5398 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5399
5400 rt2800_disable_unused_dac_adc(rt2x00dev);
5401 }
5402
5403 static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev)
5404 {
5405 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5406
5407 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5408 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5409
5410 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5411 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5412
5413 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5414
5415 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5416 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5417 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5418
5419 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5420
5421 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5422
5423 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5424
5425 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5426
5427 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5428
5429 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5430
5431 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5432
5433 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5434
5435 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5436
5437 rt2800_disable_unused_dac_adc(rt2x00dev);
5438 }
5439
5440 static void rt2800_init_bbp_3593(struct rt2x00_dev *rt2x00dev)
5441 {
5442 rt2800_init_bbp_early(rt2x00dev);
5443
5444 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5445 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5446 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5447 rt2800_bbp_write(rt2x00dev, 137, 0x0f);
5448
5449 rt2800_bbp_write(rt2x00dev, 84, 0x19);
5450
5451 /* Enable DC filter */
5452 if (rt2x00_rt_rev_gte(rt2x00dev, RT3593, REV_RT3593E))
5453 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5454 }
5455
5456 static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
5457 {
5458 int ant, div_mode;
5459 u16 eeprom;
5460 u8 value;
5461
5462 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5463
5464 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5465
5466 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5467 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5468
5469 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5470
5471 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5472 rt2800_bbp_write(rt2x00dev, 73, 0x13);
5473 rt2800_bbp_write(rt2x00dev, 75, 0x46);
5474 rt2800_bbp_write(rt2x00dev, 76, 0x28);
5475
5476 rt2800_bbp_write(rt2x00dev, 77, 0x59);
5477
5478 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5479
5480 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5481 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5482 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5483
5484 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5485
5486 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
5487
5488 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
5489
5490 rt2800_bbp_write(rt2x00dev, 86, 0x38);
5491
5492 if (rt2x00_rt(rt2x00dev, RT5392))
5493 rt2800_bbp_write(rt2x00dev, 88, 0x90);
5494
5495 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5496
5497 rt2800_bbp_write(rt2x00dev, 92, 0x02);
5498
5499 if (rt2x00_rt(rt2x00dev, RT5392)) {
5500 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
5501 rt2800_bbp_write(rt2x00dev, 98, 0x12);
5502 }
5503
5504 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5505
5506 rt2800_bbp_write(rt2x00dev, 104, 0x92);
5507
5508 rt2800_bbp_write(rt2x00dev, 105, 0x3c);
5509
5510 if (rt2x00_rt(rt2x00dev, RT5390))
5511 rt2800_bbp_write(rt2x00dev, 106, 0x03);
5512 else if (rt2x00_rt(rt2x00dev, RT5392))
5513 rt2800_bbp_write(rt2x00dev, 106, 0x12);
5514 else
5515 WARN_ON(1);
5516
5517 rt2800_bbp_write(rt2x00dev, 128, 0x12);
5518
5519 if (rt2x00_rt(rt2x00dev, RT5392)) {
5520 rt2800_bbp_write(rt2x00dev, 134, 0xd0);
5521 rt2800_bbp_write(rt2x00dev, 135, 0xf6);
5522 }
5523
5524 rt2800_disable_unused_dac_adc(rt2x00dev);
5525
5526 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
5527 div_mode = rt2x00_get_field16(eeprom,
5528 EEPROM_NIC_CONF1_ANT_DIVERSITY);
5529 ant = (div_mode == 3) ? 1 : 0;
5530
5531 /* check if this is a Bluetooth combo card */
5532 if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
5533 u32 reg;
5534
5535 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
5536 rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
5537 rt2x00_set_field32(&reg, GPIO_CTRL_DIR6, 0);
5538 rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 0);
5539 rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 0);
5540 if (ant == 0)
5541 rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 1);
5542 else if (ant == 1)
5543 rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 1);
5544 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
5545 }
5546
5547 /* This chip has hardware antenna diversity*/
5548 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
5549 rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */
5550 rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */
5551 rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */
5552 }
5553
5554 rt2800_bbp_read(rt2x00dev, 152, &value);
5555 if (ant == 0)
5556 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
5557 else
5558 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
5559 rt2800_bbp_write(rt2x00dev, 152, value);
5560
5561 rt2800_init_freq_calibration(rt2x00dev);
5562 }
5563
5564 static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev)
5565 {
5566 int ant, div_mode;
5567 u16 eeprom;
5568 u8 value;
5569
5570 rt2800_init_bbp_early(rt2x00dev);
5571
5572 rt2800_bbp_read(rt2x00dev, 105, &value);
5573 rt2x00_set_field8(&value, BBP105_MLD,
5574 rt2x00dev->default_ant.rx_chain_num == 2);
5575 rt2800_bbp_write(rt2x00dev, 105, value);
5576
5577 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5578
5579 rt2800_bbp_write(rt2x00dev, 20, 0x06);
5580 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5581 rt2800_bbp_write(rt2x00dev, 65, 0x2C);
5582 rt2800_bbp_write(rt2x00dev, 68, 0xDD);
5583 rt2800_bbp_write(rt2x00dev, 69, 0x1A);
5584 rt2800_bbp_write(rt2x00dev, 70, 0x05);
5585 rt2800_bbp_write(rt2x00dev, 73, 0x13);
5586 rt2800_bbp_write(rt2x00dev, 74, 0x0F);
5587 rt2800_bbp_write(rt2x00dev, 75, 0x4F);
5588 rt2800_bbp_write(rt2x00dev, 76, 0x28);
5589 rt2800_bbp_write(rt2x00dev, 77, 0x59);
5590 rt2800_bbp_write(rt2x00dev, 84, 0x9A);
5591 rt2800_bbp_write(rt2x00dev, 86, 0x38);
5592 rt2800_bbp_write(rt2x00dev, 88, 0x90);
5593 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5594 rt2800_bbp_write(rt2x00dev, 92, 0x02);
5595 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
5596 rt2800_bbp_write(rt2x00dev, 98, 0x12);
5597 rt2800_bbp_write(rt2x00dev, 103, 0xC0);
5598 rt2800_bbp_write(rt2x00dev, 104, 0x92);
5599 /* FIXME BBP105 owerwrite */
5600 rt2800_bbp_write(rt2x00dev, 105, 0x3C);
5601 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5602 rt2800_bbp_write(rt2x00dev, 128, 0x12);
5603 rt2800_bbp_write(rt2x00dev, 134, 0xD0);
5604 rt2800_bbp_write(rt2x00dev, 135, 0xF6);
5605 rt2800_bbp_write(rt2x00dev, 137, 0x0F);
5606
5607 /* Initialize GLRT (Generalized Likehood Radio Test) */
5608 rt2800_init_bbp_5592_glrt(rt2x00dev);
5609
5610 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5611
5612 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
5613 div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY);
5614 ant = (div_mode == 3) ? 1 : 0;
5615 rt2800_bbp_read(rt2x00dev, 152, &value);
5616 if (ant == 0) {
5617 /* Main antenna */
5618 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
5619 } else {
5620 /* Auxiliary antenna */
5621 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
5622 }
5623 rt2800_bbp_write(rt2x00dev, 152, value);
5624
5625 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) {
5626 rt2800_bbp_read(rt2x00dev, 254, &value);
5627 rt2x00_set_field8(&value, BBP254_BIT7, 1);
5628 rt2800_bbp_write(rt2x00dev, 254, value);
5629 }
5630
5631 rt2800_init_freq_calibration(rt2x00dev);
5632
5633 rt2800_bbp_write(rt2x00dev, 84, 0x19);
5634 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
5635 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5636 }
5637
5638 static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
5639 {
5640 unsigned int i;
5641 u16 eeprom;
5642 u8 reg_id;
5643 u8 value;
5644
5645 if (rt2800_is_305x_soc(rt2x00dev))
5646 rt2800_init_bbp_305x_soc(rt2x00dev);
5647
5648 switch (rt2x00dev->chip.rt) {
5649 case RT2860:
5650 case RT2872:
5651 case RT2883:
5652 rt2800_init_bbp_28xx(rt2x00dev);
5653 break;
5654 case RT3070:
5655 case RT3071:
5656 case RT3090:
5657 rt2800_init_bbp_30xx(rt2x00dev);
5658 break;
5659 case RT3290:
5660 rt2800_init_bbp_3290(rt2x00dev);
5661 break;
5662 case RT3352:
5663 rt2800_init_bbp_3352(rt2x00dev);
5664 break;
5665 case RT3390:
5666 rt2800_init_bbp_3390(rt2x00dev);
5667 break;
5668 case RT3572:
5669 rt2800_init_bbp_3572(rt2x00dev);
5670 break;
5671 case RT3593:
5672 rt2800_init_bbp_3593(rt2x00dev);
5673 return;
5674 case RT5390:
5675 case RT5392:
5676 rt2800_init_bbp_53xx(rt2x00dev);
5677 break;
5678 case RT5592:
5679 rt2800_init_bbp_5592(rt2x00dev);
5680 return;
5681 }
5682
5683 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
5684 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_BBP_START, i,
5685 &eeprom);
5686
5687 if (eeprom != 0xffff && eeprom != 0x0000) {
5688 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
5689 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
5690 rt2800_bbp_write(rt2x00dev, reg_id, value);
5691 }
5692 }
5693 }
5694
5695 static void rt2800_led_open_drain_enable(struct rt2x00_dev *rt2x00dev)
5696 {
5697 u32 reg;
5698
5699 rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
5700 rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
5701 rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
5702 }
5703
5704 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40,
5705 u8 filter_target)
5706 {
5707 unsigned int i;
5708 u8 bbp;
5709 u8 rfcsr;
5710 u8 passband;
5711 u8 stopband;
5712 u8 overtuned = 0;
5713 u8 rfcsr24 = (bw40) ? 0x27 : 0x07;
5714
5715 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
5716
5717 rt2800_bbp_read(rt2x00dev, 4, &bbp);
5718 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
5719 rt2800_bbp_write(rt2x00dev, 4, bbp);
5720
5721 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
5722 rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
5723 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
5724
5725 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
5726 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
5727 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
5728
5729 /*
5730 * Set power & frequency of passband test tone
5731 */
5732 rt2800_bbp_write(rt2x00dev, 24, 0);
5733
5734 for (i = 0; i < 100; i++) {
5735 rt2800_bbp_write(rt2x00dev, 25, 0x90);
5736 msleep(1);
5737
5738 rt2800_bbp_read(rt2x00dev, 55, &passband);
5739 if (passband)
5740 break;
5741 }
5742
5743 /*
5744 * Set power & frequency of stopband test tone
5745 */
5746 rt2800_bbp_write(rt2x00dev, 24, 0x06);
5747
5748 for (i = 0; i < 100; i++) {
5749 rt2800_bbp_write(rt2x00dev, 25, 0x90);
5750 msleep(1);
5751
5752 rt2800_bbp_read(rt2x00dev, 55, &stopband);
5753
5754 if ((passband - stopband) <= filter_target) {
5755 rfcsr24++;
5756 overtuned += ((passband - stopband) == filter_target);
5757 } else
5758 break;
5759
5760 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
5761 }
5762
5763 rfcsr24 -= !!overtuned;
5764
5765 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
5766 return rfcsr24;
5767 }
5768
5769 static void rt2800_rf_init_calibration(struct rt2x00_dev *rt2x00dev,
5770 const unsigned int rf_reg)
5771 {
5772 u8 rfcsr;
5773
5774 rt2800_rfcsr_read(rt2x00dev, rf_reg, &rfcsr);
5775 rt2x00_set_field8(&rfcsr, FIELD8(0x80), 1);
5776 rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
5777 msleep(1);
5778 rt2x00_set_field8(&rfcsr, FIELD8(0x80), 0);
5779 rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
5780 }
5781
5782 static void rt2800_rx_filter_calibration(struct rt2x00_dev *rt2x00dev)
5783 {
5784 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5785 u8 filter_tgt_bw20;
5786 u8 filter_tgt_bw40;
5787 u8 rfcsr, bbp;
5788
5789 /*
5790 * TODO: sync filter_tgt values with vendor driver
5791 */
5792 if (rt2x00_rt(rt2x00dev, RT3070)) {
5793 filter_tgt_bw20 = 0x16;
5794 filter_tgt_bw40 = 0x19;
5795 } else {
5796 filter_tgt_bw20 = 0x13;
5797 filter_tgt_bw40 = 0x15;
5798 }
5799
5800 drv_data->calibration_bw20 =
5801 rt2800_init_rx_filter(rt2x00dev, false, filter_tgt_bw20);
5802 drv_data->calibration_bw40 =
5803 rt2800_init_rx_filter(rt2x00dev, true, filter_tgt_bw40);
5804
5805 /*
5806 * Save BBP 25 & 26 values for later use in channel switching (for 3052)
5807 */
5808 rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
5809 rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
5810
5811 /*
5812 * Set back to initial state
5813 */
5814 rt2800_bbp_write(rt2x00dev, 24, 0);
5815
5816 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
5817 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
5818 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
5819
5820 /*
5821 * Set BBP back to BW20
5822 */
5823 rt2800_bbp_read(rt2x00dev, 4, &bbp);
5824 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
5825 rt2800_bbp_write(rt2x00dev, 4, bbp);
5826 }
5827
5828 static void rt2800_normal_mode_setup_3xxx(struct rt2x00_dev *rt2x00dev)
5829 {
5830 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5831 u8 min_gain, rfcsr, bbp;
5832 u16 eeprom;
5833
5834 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
5835
5836 rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
5837 if (rt2x00_rt(rt2x00dev, RT3070) ||
5838 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
5839 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
5840 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
5841 if (!rt2x00_has_cap_external_lna_bg(rt2x00dev))
5842 rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
5843 }
5844
5845 min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2;
5846 if (drv_data->txmixer_gain_24g >= min_gain) {
5847 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
5848 drv_data->txmixer_gain_24g);
5849 }
5850
5851 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
5852
5853 if (rt2x00_rt(rt2x00dev, RT3090)) {
5854 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
5855 rt2800_bbp_read(rt2x00dev, 138, &bbp);
5856 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5857 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5858 rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
5859 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5860 rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
5861 rt2800_bbp_write(rt2x00dev, 138, bbp);
5862 }
5863
5864 if (rt2x00_rt(rt2x00dev, RT3070)) {
5865 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
5866 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
5867 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
5868 else
5869 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
5870 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
5871 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
5872 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
5873 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
5874 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
5875 rt2x00_rt(rt2x00dev, RT3090) ||
5876 rt2x00_rt(rt2x00dev, RT3390)) {
5877 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
5878 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
5879 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
5880 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
5881 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
5882 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
5883 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
5884
5885 rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
5886 rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
5887 rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
5888
5889 rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
5890 rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
5891 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
5892
5893 rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
5894 rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
5895 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
5896 }
5897 }
5898
5899 static void rt2800_normal_mode_setup_3593(struct rt2x00_dev *rt2x00dev)
5900 {
5901 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5902 u8 rfcsr;
5903 u8 tx_gain;
5904
5905 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
5906 rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO2_EN, 0);
5907 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
5908
5909 rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
5910 tx_gain = rt2x00_get_field8(drv_data->txmixer_gain_24g,
5911 RFCSR17_TXMIXER_GAIN);
5912 rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, tx_gain);
5913 rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
5914
5915 rt2800_rfcsr_read(rt2x00dev, 38, &rfcsr);
5916 rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0);
5917 rt2800_rfcsr_write(rt2x00dev, 38, rfcsr);
5918
5919 rt2800_rfcsr_read(rt2x00dev, 39, &rfcsr);
5920 rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0);
5921 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
5922
5923 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
5924 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
5925 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
5926 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
5927
5928 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
5929 rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
5930 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
5931
5932 /* TODO: enable stream mode */
5933 }
5934
5935 static void rt2800_normal_mode_setup_5xxx(struct rt2x00_dev *rt2x00dev)
5936 {
5937 u8 reg;
5938 u16 eeprom;
5939
5940 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
5941 rt2800_bbp_read(rt2x00dev, 138, &reg);
5942 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5943 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5944 rt2x00_set_field8(&reg, BBP138_RX_ADC1, 0);
5945 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5946 rt2x00_set_field8(&reg, BBP138_TX_DAC1, 1);
5947 rt2800_bbp_write(rt2x00dev, 138, reg);
5948
5949 rt2800_rfcsr_read(rt2x00dev, 38, &reg);
5950 rt2x00_set_field8(&reg, RFCSR38_RX_LO1_EN, 0);
5951 rt2800_rfcsr_write(rt2x00dev, 38, reg);
5952
5953 rt2800_rfcsr_read(rt2x00dev, 39, &reg);
5954 rt2x00_set_field8(&reg, RFCSR39_RX_LO2_EN, 0);
5955 rt2800_rfcsr_write(rt2x00dev, 39, reg);
5956
5957 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5958
5959 rt2800_rfcsr_read(rt2x00dev, 30, &reg);
5960 rt2x00_set_field8(&reg, RFCSR30_RX_VCM, 2);
5961 rt2800_rfcsr_write(rt2x00dev, 30, reg);
5962 }
5963
5964 static void rt2800_init_rfcsr_305x_soc(struct rt2x00_dev *rt2x00dev)
5965 {
5966 rt2800_rf_init_calibration(rt2x00dev, 30);
5967
5968 rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
5969 rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
5970 rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
5971 rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
5972 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
5973 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
5974 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
5975 rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
5976 rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
5977 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
5978 rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
5979 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
5980 rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
5981 rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
5982 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
5983 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
5984 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
5985 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
5986 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
5987 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
5988 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
5989 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
5990 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
5991 rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
5992 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
5993 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
5994 rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
5995 rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
5996 rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
5997 rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
5998 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
5999 rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
6000 }
6001
6002 static void rt2800_init_rfcsr_30xx(struct rt2x00_dev *rt2x00dev)
6003 {
6004 u8 rfcsr;
6005 u16 eeprom;
6006 u32 reg;
6007
6008 /* XXX vendor driver do this only for 3070 */
6009 rt2800_rf_init_calibration(rt2x00dev, 30);
6010
6011 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
6012 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
6013 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
6014 rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
6015 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
6016 rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
6017 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
6018 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
6019 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
6020 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
6021 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
6022 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
6023 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
6024 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
6025 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
6026 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
6027 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
6028 rt2800_rfcsr_write(rt2x00dev, 25, 0x03);
6029 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
6030
6031 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
6032 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6033 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6034 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6035 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6036 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
6037 rt2x00_rt(rt2x00dev, RT3090)) {
6038 rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
6039
6040 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
6041 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
6042 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
6043
6044 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6045 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6046 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6047 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
6048 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1,
6049 &eeprom);
6050 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
6051 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6052 else
6053 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6054 }
6055 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6056
6057 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
6058 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
6059 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6060 }
6061
6062 rt2800_rx_filter_calibration(rt2x00dev);
6063
6064 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
6065 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6066 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E))
6067 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6068
6069 rt2800_led_open_drain_enable(rt2x00dev);
6070 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6071 }
6072
6073 static void rt2800_init_rfcsr_3290(struct rt2x00_dev *rt2x00dev)
6074 {
6075 u8 rfcsr;
6076
6077 rt2800_rf_init_calibration(rt2x00dev, 2);
6078
6079 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
6080 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6081 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
6082 rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
6083 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
6084 rt2800_rfcsr_write(rt2x00dev, 8, 0xf3);
6085 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6086 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6087 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6088 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
6089 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6090 rt2800_rfcsr_write(rt2x00dev, 18, 0x02);
6091 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6092 rt2800_rfcsr_write(rt2x00dev, 25, 0x83);
6093 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
6094 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
6095 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6096 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6097 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6098 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
6099 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
6100 rt2800_rfcsr_write(rt2x00dev, 34, 0x05);
6101 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6102 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
6103 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
6104 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
6105 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
6106 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
6107 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
6108 rt2800_rfcsr_write(rt2x00dev, 43, 0x7b);
6109 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
6110 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
6111 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
6112 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
6113 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
6114 rt2800_rfcsr_write(rt2x00dev, 49, 0x98);
6115 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
6116 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
6117 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
6118 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
6119 rt2800_rfcsr_write(rt2x00dev, 56, 0x02);
6120 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
6121 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
6122 rt2800_rfcsr_write(rt2x00dev, 59, 0x09);
6123 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
6124 rt2800_rfcsr_write(rt2x00dev, 61, 0xc1);
6125
6126 rt2800_rfcsr_read(rt2x00dev, 29, &rfcsr);
6127 rt2x00_set_field8(&rfcsr, RFCSR29_RSSI_GAIN, 3);
6128 rt2800_rfcsr_write(rt2x00dev, 29, rfcsr);
6129
6130 rt2800_led_open_drain_enable(rt2x00dev);
6131 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6132 }
6133
6134 static void rt2800_init_rfcsr_3352(struct rt2x00_dev *rt2x00dev)
6135 {
6136 rt2800_rf_init_calibration(rt2x00dev, 30);
6137
6138 rt2800_rfcsr_write(rt2x00dev, 0, 0xf0);
6139 rt2800_rfcsr_write(rt2x00dev, 1, 0x23);
6140 rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
6141 rt2800_rfcsr_write(rt2x00dev, 3, 0x18);
6142 rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
6143 rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
6144 rt2800_rfcsr_write(rt2x00dev, 6, 0x33);
6145 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6146 rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
6147 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6148 rt2800_rfcsr_write(rt2x00dev, 10, 0xd2);
6149 rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
6150 rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
6151 rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
6152 rt2800_rfcsr_write(rt2x00dev, 14, 0x5a);
6153 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6154 rt2800_rfcsr_write(rt2x00dev, 16, 0x01);
6155 rt2800_rfcsr_write(rt2x00dev, 18, 0x45);
6156 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
6157 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
6158 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
6159 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6160 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
6161 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
6162 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
6163 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
6164 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6165 rt2800_rfcsr_write(rt2x00dev, 28, 0x03);
6166 rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
6167 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6168 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6169 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
6170 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
6171 rt2800_rfcsr_write(rt2x00dev, 34, 0x01);
6172 rt2800_rfcsr_write(rt2x00dev, 35, 0x03);
6173 rt2800_rfcsr_write(rt2x00dev, 36, 0xbd);
6174 rt2800_rfcsr_write(rt2x00dev, 37, 0x3c);
6175 rt2800_rfcsr_write(rt2x00dev, 38, 0x5f);
6176 rt2800_rfcsr_write(rt2x00dev, 39, 0xc5);
6177 rt2800_rfcsr_write(rt2x00dev, 40, 0x33);
6178 rt2800_rfcsr_write(rt2x00dev, 41, 0x5b);
6179 rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
6180 rt2800_rfcsr_write(rt2x00dev, 43, 0xdb);
6181 rt2800_rfcsr_write(rt2x00dev, 44, 0xdb);
6182 rt2800_rfcsr_write(rt2x00dev, 45, 0xdb);
6183 rt2800_rfcsr_write(rt2x00dev, 46, 0xdd);
6184 rt2800_rfcsr_write(rt2x00dev, 47, 0x0d);
6185 rt2800_rfcsr_write(rt2x00dev, 48, 0x14);
6186 rt2800_rfcsr_write(rt2x00dev, 49, 0x00);
6187 rt2800_rfcsr_write(rt2x00dev, 50, 0x2d);
6188 rt2800_rfcsr_write(rt2x00dev, 51, 0x7f);
6189 rt2800_rfcsr_write(rt2x00dev, 52, 0x00);
6190 rt2800_rfcsr_write(rt2x00dev, 53, 0x52);
6191 rt2800_rfcsr_write(rt2x00dev, 54, 0x1b);
6192 rt2800_rfcsr_write(rt2x00dev, 55, 0x7f);
6193 rt2800_rfcsr_write(rt2x00dev, 56, 0x00);
6194 rt2800_rfcsr_write(rt2x00dev, 57, 0x52);
6195 rt2800_rfcsr_write(rt2x00dev, 58, 0x1b);
6196 rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
6197 rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
6198 rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
6199 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
6200 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
6201
6202 rt2800_rx_filter_calibration(rt2x00dev);
6203 rt2800_led_open_drain_enable(rt2x00dev);
6204 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6205 }
6206
6207 static void rt2800_init_rfcsr_3390(struct rt2x00_dev *rt2x00dev)
6208 {
6209 u32 reg;
6210
6211 rt2800_rf_init_calibration(rt2x00dev, 30);
6212
6213 rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
6214 rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
6215 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
6216 rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
6217 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
6218 rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
6219 rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
6220 rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
6221 rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
6222 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
6223 rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
6224 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
6225 rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
6226 rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
6227 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
6228 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
6229 rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
6230 rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
6231 rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
6232 rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
6233 rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
6234 rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
6235 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6236 rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
6237 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
6238 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
6239 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
6240 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
6241 rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
6242 rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
6243 rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
6244 rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
6245
6246 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
6247 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
6248 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6249
6250 rt2800_rx_filter_calibration(rt2x00dev);
6251
6252 if (rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
6253 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6254
6255 rt2800_led_open_drain_enable(rt2x00dev);
6256 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6257 }
6258
6259 static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev)
6260 {
6261 u8 rfcsr;
6262 u32 reg;
6263
6264 rt2800_rf_init_calibration(rt2x00dev, 30);
6265
6266 rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
6267 rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
6268 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
6269 rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
6270 rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
6271 rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
6272 rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
6273 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
6274 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
6275 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
6276 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
6277 rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
6278 rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
6279 rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
6280 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
6281 rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
6282 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
6283 rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
6284 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
6285 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
6286 rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
6287 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6288 rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
6289 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
6290 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
6291 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
6292 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
6293 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6294 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
6295 rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
6296 rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
6297
6298 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
6299 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
6300 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
6301
6302 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6303 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6304 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6305 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6306 msleep(1);
6307 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6308 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6309 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6310 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6311
6312 rt2800_rx_filter_calibration(rt2x00dev);
6313 rt2800_led_open_drain_enable(rt2x00dev);
6314 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6315 }
6316
6317 static void rt3593_post_bbp_init(struct rt2x00_dev *rt2x00dev)
6318 {
6319 u8 bbp;
6320 bool txbf_enabled = false; /* FIXME */
6321
6322 rt2800_bbp_read(rt2x00dev, 105, &bbp);
6323 if (rt2x00dev->default_ant.rx_chain_num == 1)
6324 rt2x00_set_field8(&bbp, BBP105_MLD, 0);
6325 else
6326 rt2x00_set_field8(&bbp, BBP105_MLD, 1);
6327 rt2800_bbp_write(rt2x00dev, 105, bbp);
6328
6329 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6330
6331 rt2800_bbp_write(rt2x00dev, 92, 0x02);
6332 rt2800_bbp_write(rt2x00dev, 82, 0x82);
6333 rt2800_bbp_write(rt2x00dev, 106, 0x05);
6334 rt2800_bbp_write(rt2x00dev, 104, 0x92);
6335 rt2800_bbp_write(rt2x00dev, 88, 0x90);
6336 rt2800_bbp_write(rt2x00dev, 148, 0xc8);
6337 rt2800_bbp_write(rt2x00dev, 47, 0x48);
6338 rt2800_bbp_write(rt2x00dev, 120, 0x50);
6339
6340 if (txbf_enabled)
6341 rt2800_bbp_write(rt2x00dev, 163, 0xbd);
6342 else
6343 rt2800_bbp_write(rt2x00dev, 163, 0x9d);
6344
6345 /* SNR mapping */
6346 rt2800_bbp_write(rt2x00dev, 142, 6);
6347 rt2800_bbp_write(rt2x00dev, 143, 160);
6348 rt2800_bbp_write(rt2x00dev, 142, 7);
6349 rt2800_bbp_write(rt2x00dev, 143, 161);
6350 rt2800_bbp_write(rt2x00dev, 142, 8);
6351 rt2800_bbp_write(rt2x00dev, 143, 162);
6352
6353 /* ADC/DAC control */
6354 rt2800_bbp_write(rt2x00dev, 31, 0x08);
6355
6356 /* RX AGC energy lower bound in log2 */
6357 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
6358
6359 /* FIXME: BBP 105 owerwrite? */
6360 rt2800_bbp_write(rt2x00dev, 105, 0x04);
6361
6362 }
6363
6364 static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev)
6365 {
6366 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6367 u32 reg;
6368 u8 rfcsr;
6369
6370 /* Disable GPIO #4 and #7 function for LAN PE control */
6371 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
6372 rt2x00_set_field32(&reg, GPIO_SWITCH_4, 0);
6373 rt2x00_set_field32(&reg, GPIO_SWITCH_7, 0);
6374 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6375
6376 /* Initialize default register values */
6377 rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
6378 rt2800_rfcsr_write(rt2x00dev, 3, 0x80);
6379 rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
6380 rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
6381 rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
6382 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6383 rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
6384 rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
6385 rt2800_rfcsr_write(rt2x00dev, 12, 0x4e);
6386 rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
6387 rt2800_rfcsr_write(rt2x00dev, 18, 0x40);
6388 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6389 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6390 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6391 rt2800_rfcsr_write(rt2x00dev, 32, 0x78);
6392 rt2800_rfcsr_write(rt2x00dev, 33, 0x3b);
6393 rt2800_rfcsr_write(rt2x00dev, 34, 0x3c);
6394 rt2800_rfcsr_write(rt2x00dev, 35, 0xe0);
6395 rt2800_rfcsr_write(rt2x00dev, 38, 0x86);
6396 rt2800_rfcsr_write(rt2x00dev, 39, 0x23);
6397 rt2800_rfcsr_write(rt2x00dev, 44, 0xd3);
6398 rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
6399 rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
6400 rt2800_rfcsr_write(rt2x00dev, 49, 0x8e);
6401 rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
6402 rt2800_rfcsr_write(rt2x00dev, 51, 0x75);
6403 rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
6404 rt2800_rfcsr_write(rt2x00dev, 53, 0x18);
6405 rt2800_rfcsr_write(rt2x00dev, 54, 0x18);
6406 rt2800_rfcsr_write(rt2x00dev, 55, 0x18);
6407 rt2800_rfcsr_write(rt2x00dev, 56, 0xdb);
6408 rt2800_rfcsr_write(rt2x00dev, 57, 0x6e);
6409
6410 /* Initiate calibration */
6411 /* TODO: use rt2800_rf_init_calibration ? */
6412 rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
6413 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
6414 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
6415
6416 rt2800_adjust_freq_offset(rt2x00dev);
6417
6418 rt2800_rfcsr_read(rt2x00dev, 18, &rfcsr);
6419 rt2x00_set_field8(&rfcsr, RFCSR18_XO_TUNE_BYPASS, 1);
6420 rt2800_rfcsr_write(rt2x00dev, 18, rfcsr);
6421
6422 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6423 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6424 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6425 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6426 usleep_range(1000, 1500);
6427 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6428 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6429 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6430
6431 /* Set initial values for RX filter calibration */
6432 drv_data->calibration_bw20 = 0x1f;
6433 drv_data->calibration_bw40 = 0x2f;
6434
6435 /* Save BBP 25 & 26 values for later use in channel switching */
6436 rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
6437 rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
6438
6439 rt2800_led_open_drain_enable(rt2x00dev);
6440 rt2800_normal_mode_setup_3593(rt2x00dev);
6441
6442 rt3593_post_bbp_init(rt2x00dev);
6443
6444 /* TODO: enable stream mode support */
6445 }
6446
6447 static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
6448 {
6449 rt2800_rf_init_calibration(rt2x00dev, 2);
6450
6451 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
6452 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6453 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
6454 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
6455 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6456 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
6457 else
6458 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
6459 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6460 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6461 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6462 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
6463 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6464 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
6465 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6466 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
6467 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
6468 rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
6469
6470 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
6471 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
6472 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6473 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
6474 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
6475 if (rt2x00_is_usb(rt2x00dev) &&
6476 rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6477 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
6478 else
6479 rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
6480 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
6481 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
6482 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6483 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6484
6485 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6486 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6487 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
6488 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
6489 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
6490 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6491 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
6492 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
6493 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
6494 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
6495
6496 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
6497 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
6498 rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
6499 rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
6500 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
6501 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
6502 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6503 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
6504 else
6505 rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
6506 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
6507 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
6508 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
6509
6510 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
6511 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6512 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
6513 else
6514 rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
6515 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
6516 rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
6517 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6518 rt2800_rfcsr_write(rt2x00dev, 56, 0x42);
6519 else
6520 rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
6521 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
6522 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
6523 rt2800_rfcsr_write(rt2x00dev, 59, 0x8f);
6524
6525 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
6526 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
6527 if (rt2x00_is_usb(rt2x00dev))
6528 rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
6529 else
6530 rt2800_rfcsr_write(rt2x00dev, 61, 0xd5);
6531 } else {
6532 if (rt2x00_is_usb(rt2x00dev))
6533 rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
6534 else
6535 rt2800_rfcsr_write(rt2x00dev, 61, 0xb5);
6536 }
6537 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
6538 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
6539
6540 rt2800_normal_mode_setup_5xxx(rt2x00dev);
6541
6542 rt2800_led_open_drain_enable(rt2x00dev);
6543 }
6544
6545 static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev)
6546 {
6547 rt2800_rf_init_calibration(rt2x00dev, 2);
6548
6549 rt2800_rfcsr_write(rt2x00dev, 1, 0x17);
6550 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
6551 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
6552 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
6553 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6554 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6555 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6556 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
6557 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6558 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
6559 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6560 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
6561 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
6562 rt2800_rfcsr_write(rt2x00dev, 19, 0x4d);
6563 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
6564 rt2800_rfcsr_write(rt2x00dev, 21, 0x8d);
6565 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6566 rt2800_rfcsr_write(rt2x00dev, 23, 0x0b);
6567 rt2800_rfcsr_write(rt2x00dev, 24, 0x44);
6568 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
6569 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
6570 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
6571 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6572 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6573 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6574 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6575 rt2800_rfcsr_write(rt2x00dev, 32, 0x20);
6576 rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
6577 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
6578 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6579 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
6580 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
6581 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
6582 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
6583 rt2800_rfcsr_write(rt2x00dev, 40, 0x0f);
6584 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
6585 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
6586 rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
6587 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
6588 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
6589 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
6590 rt2800_rfcsr_write(rt2x00dev, 47, 0x0c);
6591 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
6592 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
6593 rt2800_rfcsr_write(rt2x00dev, 50, 0x94);
6594 rt2800_rfcsr_write(rt2x00dev, 51, 0x3a);
6595 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
6596 rt2800_rfcsr_write(rt2x00dev, 53, 0x44);
6597 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
6598 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
6599 rt2800_rfcsr_write(rt2x00dev, 56, 0xa1);
6600 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
6601 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
6602 rt2800_rfcsr_write(rt2x00dev, 59, 0x07);
6603 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
6604 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
6605 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
6606 rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
6607
6608 rt2800_normal_mode_setup_5xxx(rt2x00dev);
6609
6610 rt2800_led_open_drain_enable(rt2x00dev);
6611 }
6612
6613 static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev)
6614 {
6615 rt2800_rf_init_calibration(rt2x00dev, 30);
6616
6617 rt2800_rfcsr_write(rt2x00dev, 1, 0x3F);
6618 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
6619 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
6620 rt2800_rfcsr_write(rt2x00dev, 6, 0xE4);
6621 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6622 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
6623 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6624 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
6625 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
6626 rt2800_rfcsr_write(rt2x00dev, 19, 0x4D);
6627 rt2800_rfcsr_write(rt2x00dev, 20, 0x10);
6628 rt2800_rfcsr_write(rt2x00dev, 21, 0x8D);
6629 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
6630 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6631 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6632 rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
6633 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
6634 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6635 rt2800_rfcsr_write(rt2x00dev, 47, 0x0C);
6636 rt2800_rfcsr_write(rt2x00dev, 53, 0x22);
6637 rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
6638
6639 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6640 msleep(1);
6641
6642 rt2800_adjust_freq_offset(rt2x00dev);
6643
6644 /* Enable DC filter */
6645 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
6646 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6647
6648 rt2800_normal_mode_setup_5xxx(rt2x00dev);
6649
6650 if (rt2x00_rt_rev_lt(rt2x00dev, RT5592, REV_RT5592C))
6651 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6652
6653 rt2800_led_open_drain_enable(rt2x00dev);
6654 }
6655
6656 static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
6657 {
6658 if (rt2800_is_305x_soc(rt2x00dev)) {
6659 rt2800_init_rfcsr_305x_soc(rt2x00dev);
6660 return;
6661 }
6662
6663 switch (rt2x00dev->chip.rt) {
6664 case RT3070:
6665 case RT3071:
6666 case RT3090:
6667 rt2800_init_rfcsr_30xx(rt2x00dev);
6668 break;
6669 case RT3290:
6670 rt2800_init_rfcsr_3290(rt2x00dev);
6671 break;
6672 case RT3352:
6673 rt2800_init_rfcsr_3352(rt2x00dev);
6674 break;
6675 case RT3390:
6676 rt2800_init_rfcsr_3390(rt2x00dev);
6677 break;
6678 case RT3572:
6679 rt2800_init_rfcsr_3572(rt2x00dev);
6680 break;
6681 case RT3593:
6682 rt2800_init_rfcsr_3593(rt2x00dev);
6683 break;
6684 case RT5390:
6685 rt2800_init_rfcsr_5390(rt2x00dev);
6686 break;
6687 case RT5392:
6688 rt2800_init_rfcsr_5392(rt2x00dev);
6689 break;
6690 case RT5592:
6691 rt2800_init_rfcsr_5592(rt2x00dev);
6692 break;
6693 }
6694 }
6695
6696 int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
6697 {
6698 u32 reg;
6699 u16 word;
6700
6701 /*
6702 * Initialize MAC registers.
6703 */
6704 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
6705 rt2800_init_registers(rt2x00dev)))
6706 return -EIO;
6707
6708 /*
6709 * Wait BBP/RF to wake up.
6710 */
6711 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev)))
6712 return -EIO;
6713
6714 /*
6715 * Send signal during boot time to initialize firmware.
6716 */
6717 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
6718 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
6719 if (rt2x00_is_usb(rt2x00dev))
6720 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
6721 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
6722 msleep(1);
6723
6724 /*
6725 * Make sure BBP is up and running.
6726 */
6727 if (unlikely(rt2800_wait_bbp_ready(rt2x00dev)))
6728 return -EIO;
6729
6730 /*
6731 * Initialize BBP/RF registers.
6732 */
6733 rt2800_init_bbp(rt2x00dev);
6734 rt2800_init_rfcsr(rt2x00dev);
6735
6736 if (rt2x00_is_usb(rt2x00dev) &&
6737 (rt2x00_rt(rt2x00dev, RT3070) ||
6738 rt2x00_rt(rt2x00dev, RT3071) ||
6739 rt2x00_rt(rt2x00dev, RT3572))) {
6740 udelay(200);
6741 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
6742 udelay(10);
6743 }
6744
6745 /*
6746 * Enable RX.
6747 */
6748 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
6749 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
6750 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
6751 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
6752
6753 udelay(50);
6754
6755 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
6756 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
6757 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
6758 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
6759 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
6760 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
6761
6762 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
6763 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
6764 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
6765 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
6766
6767 /*
6768 * Initialize LED control
6769 */
6770 rt2800_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF, &word);
6771 rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
6772 word & 0xff, (word >> 8) & 0xff);
6773
6774 rt2800_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF, &word);
6775 rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
6776 word & 0xff, (word >> 8) & 0xff);
6777
6778 rt2800_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY, &word);
6779 rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
6780 word & 0xff, (word >> 8) & 0xff);
6781
6782 return 0;
6783 }
6784 EXPORT_SYMBOL_GPL(rt2800_enable_radio);
6785
6786 void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
6787 {
6788 u32 reg;
6789
6790 rt2800_disable_wpdma(rt2x00dev);
6791
6792 /* Wait for DMA, ignore error */
6793 rt2800_wait_wpdma_ready(rt2x00dev);
6794
6795 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
6796 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
6797 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
6798 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
6799 }
6800 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
6801
6802 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
6803 {
6804 u32 reg;
6805 u16 efuse_ctrl_reg;
6806
6807 if (rt2x00_rt(rt2x00dev, RT3290))
6808 efuse_ctrl_reg = EFUSE_CTRL_3290;
6809 else
6810 efuse_ctrl_reg = EFUSE_CTRL;
6811
6812 rt2800_register_read(rt2x00dev, efuse_ctrl_reg, &reg);
6813 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
6814 }
6815 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
6816
6817 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
6818 {
6819 u32 reg;
6820 u16 efuse_ctrl_reg;
6821 u16 efuse_data0_reg;
6822 u16 efuse_data1_reg;
6823 u16 efuse_data2_reg;
6824 u16 efuse_data3_reg;
6825
6826 if (rt2x00_rt(rt2x00dev, RT3290)) {
6827 efuse_ctrl_reg = EFUSE_CTRL_3290;
6828 efuse_data0_reg = EFUSE_DATA0_3290;
6829 efuse_data1_reg = EFUSE_DATA1_3290;
6830 efuse_data2_reg = EFUSE_DATA2_3290;
6831 efuse_data3_reg = EFUSE_DATA3_3290;
6832 } else {
6833 efuse_ctrl_reg = EFUSE_CTRL;
6834 efuse_data0_reg = EFUSE_DATA0;
6835 efuse_data1_reg = EFUSE_DATA1;
6836 efuse_data2_reg = EFUSE_DATA2;
6837 efuse_data3_reg = EFUSE_DATA3;
6838 }
6839 mutex_lock(&rt2x00dev->csr_mutex);
6840
6841 rt2800_register_read_lock(rt2x00dev, efuse_ctrl_reg, &reg);
6842 rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
6843 rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
6844 rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
6845 rt2800_register_write_lock(rt2x00dev, efuse_ctrl_reg, reg);
6846
6847 /* Wait until the EEPROM has been loaded */
6848 rt2800_regbusy_read(rt2x00dev, efuse_ctrl_reg, EFUSE_CTRL_KICK, &reg);
6849 /* Apparently the data is read from end to start */
6850 rt2800_register_read_lock(rt2x00dev, efuse_data3_reg, &reg);
6851 /* The returned value is in CPU order, but eeprom is le */
6852 *(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
6853 rt2800_register_read_lock(rt2x00dev, efuse_data2_reg, &reg);
6854 *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
6855 rt2800_register_read_lock(rt2x00dev, efuse_data1_reg, &reg);
6856 *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
6857 rt2800_register_read_lock(rt2x00dev, efuse_data0_reg, &reg);
6858 *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
6859
6860 mutex_unlock(&rt2x00dev->csr_mutex);
6861 }
6862
6863 int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
6864 {
6865 unsigned int i;
6866
6867 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
6868 rt2800_efuse_read(rt2x00dev, i);
6869
6870 return 0;
6871 }
6872 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
6873
6874 static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev)
6875 {
6876 u16 word;
6877
6878 if (rt2x00_rt(rt2x00dev, RT3593))
6879 return 0;
6880
6881 rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &word);
6882 if ((word & 0x00ff) != 0x00ff)
6883 return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
6884
6885 return 0;
6886 }
6887
6888 static u8 rt2800_get_txmixer_gain_5g(struct rt2x00_dev *rt2x00dev)
6889 {
6890 u16 word;
6891
6892 if (rt2x00_rt(rt2x00dev, RT3593))
6893 return 0;
6894
6895 rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A, &word);
6896 if ((word & 0x00ff) != 0x00ff)
6897 return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
6898
6899 return 0;
6900 }
6901
6902 static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
6903 {
6904 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6905 u16 word;
6906 u8 *mac;
6907 u8 default_lna_gain;
6908 int retval;
6909
6910 /*
6911 * Read the EEPROM.
6912 */
6913 retval = rt2800_read_eeprom(rt2x00dev);
6914 if (retval)
6915 return retval;
6916
6917 /*
6918 * Start validation of the data that has been read.
6919 */
6920 mac = rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
6921 if (!is_valid_ether_addr(mac)) {
6922 eth_random_addr(mac);
6923 rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
6924 }
6925
6926 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word);
6927 if (word == 0xffff) {
6928 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
6929 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
6930 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
6931 rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
6932 rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word);
6933 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
6934 rt2x00_rt(rt2x00dev, RT2872)) {
6935 /*
6936 * There is a max of 2 RX streams for RT28x0 series
6937 */
6938 if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
6939 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
6940 rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
6941 }
6942
6943 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &word);
6944 if (word == 0xffff) {
6945 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
6946 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
6947 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
6948 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
6949 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
6950 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
6951 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
6952 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
6953 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
6954 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
6955 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
6956 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
6957 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
6958 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
6959 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
6960 rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
6961 rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word);
6962 }
6963
6964 rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
6965 if ((word & 0x00ff) == 0x00ff) {
6966 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
6967 rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
6968 rt2x00_eeprom_dbg(rt2x00dev, "Freq: 0x%04x\n", word);
6969 }
6970 if ((word & 0xff00) == 0xff00) {
6971 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
6972 LED_MODE_TXRX_ACTIVITY);
6973 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
6974 rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
6975 rt2800_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
6976 rt2800_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
6977 rt2800_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
6978 rt2x00_eeprom_dbg(rt2x00dev, "Led Mode: 0x%04x\n", word);
6979 }
6980
6981 /*
6982 * During the LNA validation we are going to use
6983 * lna0 as correct value. Note that EEPROM_LNA
6984 * is never validated.
6985 */
6986 rt2800_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
6987 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
6988
6989 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
6990 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
6991 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
6992 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
6993 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
6994 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
6995
6996 drv_data->txmixer_gain_24g = rt2800_get_txmixer_gain_24g(rt2x00dev);
6997
6998 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
6999 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
7000 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
7001 if (!rt2x00_rt(rt2x00dev, RT3593)) {
7002 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
7003 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
7004 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
7005 default_lna_gain);
7006 }
7007 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
7008
7009 drv_data->txmixer_gain_5g = rt2800_get_txmixer_gain_5g(rt2x00dev);
7010
7011 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
7012 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
7013 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
7014 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
7015 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
7016 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
7017
7018 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
7019 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
7020 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
7021 if (!rt2x00_rt(rt2x00dev, RT3593)) {
7022 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
7023 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
7024 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
7025 default_lna_gain);
7026 }
7027 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
7028
7029 if (rt2x00_rt(rt2x00dev, RT3593)) {
7030 rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2, &word);
7031 if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0x00 ||
7032 rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0xff)
7033 rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1,
7034 default_lna_gain);
7035 if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0x00 ||
7036 rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0xff)
7037 rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1,
7038 default_lna_gain);
7039 rt2800_eeprom_write(rt2x00dev, EEPROM_EXT_LNA2, word);
7040 }
7041
7042 return 0;
7043 }
7044
7045 static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
7046 {
7047 u16 value;
7048 u16 eeprom;
7049 u16 rf;
7050
7051 /*
7052 * Read EEPROM word for configuration.
7053 */
7054 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
7055
7056 /*
7057 * Identify RF chipset by EEPROM value
7058 * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
7059 * RT53xx: defined in "EEPROM_CHIP_ID" field
7060 */
7061 if (rt2x00_rt(rt2x00dev, RT3290) ||
7062 rt2x00_rt(rt2x00dev, RT5390) ||
7063 rt2x00_rt(rt2x00dev, RT5392))
7064 rt2800_eeprom_read(rt2x00dev, EEPROM_CHIP_ID, &rf);
7065 else
7066 rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
7067
7068 switch (rf) {
7069 case RF2820:
7070 case RF2850:
7071 case RF2720:
7072 case RF2750:
7073 case RF3020:
7074 case RF2020:
7075 case RF3021:
7076 case RF3022:
7077 case RF3052:
7078 case RF3053:
7079 case RF3070:
7080 case RF3290:
7081 case RF3320:
7082 case RF3322:
7083 case RF5360:
7084 case RF5362:
7085 case RF5370:
7086 case RF5372:
7087 case RF5390:
7088 case RF5392:
7089 case RF5592:
7090 break;
7091 default:
7092 rt2x00_err(rt2x00dev, "Invalid RF chipset 0x%04x detected\n",
7093 rf);
7094 return -ENODEV;
7095 }
7096
7097 rt2x00_set_rf(rt2x00dev, rf);
7098
7099 /*
7100 * Identify default antenna configuration.
7101 */
7102 rt2x00dev->default_ant.tx_chain_num =
7103 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
7104 rt2x00dev->default_ant.rx_chain_num =
7105 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
7106
7107 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
7108
7109 if (rt2x00_rt(rt2x00dev, RT3070) ||
7110 rt2x00_rt(rt2x00dev, RT3090) ||
7111 rt2x00_rt(rt2x00dev, RT3352) ||
7112 rt2x00_rt(rt2x00dev, RT3390)) {
7113 value = rt2x00_get_field16(eeprom,
7114 EEPROM_NIC_CONF1_ANT_DIVERSITY);
7115 switch (value) {
7116 case 0:
7117 case 1:
7118 case 2:
7119 rt2x00dev->default_ant.tx = ANTENNA_A;
7120 rt2x00dev->default_ant.rx = ANTENNA_A;
7121 break;
7122 case 3:
7123 rt2x00dev->default_ant.tx = ANTENNA_A;
7124 rt2x00dev->default_ant.rx = ANTENNA_B;
7125 break;
7126 }
7127 } else {
7128 rt2x00dev->default_ant.tx = ANTENNA_A;
7129 rt2x00dev->default_ant.rx = ANTENNA_A;
7130 }
7131
7132 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
7133 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; /* Unused */
7134 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; /* Unused */
7135 }
7136
7137 /*
7138 * Determine external LNA informations.
7139 */
7140 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
7141 __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
7142 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
7143 __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
7144
7145 /*
7146 * Detect if this device has an hardware controlled radio.
7147 */
7148 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
7149 __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
7150
7151 /*
7152 * Detect if this device has Bluetooth co-existence.
7153 */
7154 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
7155 __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
7156
7157 /*
7158 * Read frequency offset and RF programming sequence.
7159 */
7160 rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
7161 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
7162
7163 /*
7164 * Store led settings, for correct led behaviour.
7165 */
7166 #ifdef CONFIG_RT2X00_LIB_LEDS
7167 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
7168 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
7169 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
7170
7171 rt2x00dev->led_mcu_reg = eeprom;
7172 #endif /* CONFIG_RT2X00_LIB_LEDS */
7173
7174 /*
7175 * Check if support EIRP tx power limit feature.
7176 */
7177 rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom);
7178
7179 if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
7180 EIRP_MAX_TX_POWER_LIMIT)
7181 __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
7182
7183 return 0;
7184 }
7185
7186 /*
7187 * RF value list for rt28xx
7188 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
7189 */
7190 static const struct rf_channel rf_vals[] = {
7191 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
7192 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
7193 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
7194 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
7195 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
7196 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
7197 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
7198 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
7199 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
7200 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
7201 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
7202 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
7203 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
7204 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
7205
7206 /* 802.11 UNI / HyperLan 2 */
7207 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
7208 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
7209 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
7210 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
7211 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
7212 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
7213 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
7214 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
7215 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
7216 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
7217 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
7218 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
7219
7220 /* 802.11 HyperLan 2 */
7221 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
7222 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
7223 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
7224 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
7225 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
7226 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
7227 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
7228 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
7229 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
7230 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
7231 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
7232 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
7233 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
7234 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
7235 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
7236 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
7237
7238 /* 802.11 UNII */
7239 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
7240 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
7241 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
7242 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
7243 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
7244 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
7245 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
7246 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
7247 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
7248 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
7249 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
7250
7251 /* 802.11 Japan */
7252 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
7253 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
7254 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
7255 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
7256 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
7257 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
7258 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
7259 };
7260
7261 /*
7262 * RF value list for rt3xxx
7263 * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052 & RF3053)
7264 */
7265 static const struct rf_channel rf_vals_3x[] = {
7266 {1, 241, 2, 2 },
7267 {2, 241, 2, 7 },
7268 {3, 242, 2, 2 },
7269 {4, 242, 2, 7 },
7270 {5, 243, 2, 2 },
7271 {6, 243, 2, 7 },
7272 {7, 244, 2, 2 },
7273 {8, 244, 2, 7 },
7274 {9, 245, 2, 2 },
7275 {10, 245, 2, 7 },
7276 {11, 246, 2, 2 },
7277 {12, 246, 2, 7 },
7278 {13, 247, 2, 2 },
7279 {14, 248, 2, 4 },
7280
7281 /* 802.11 UNI / HyperLan 2 */
7282 {36, 0x56, 0, 4},
7283 {38, 0x56, 0, 6},
7284 {40, 0x56, 0, 8},
7285 {44, 0x57, 0, 0},
7286 {46, 0x57, 0, 2},
7287 {48, 0x57, 0, 4},
7288 {52, 0x57, 0, 8},
7289 {54, 0x57, 0, 10},
7290 {56, 0x58, 0, 0},
7291 {60, 0x58, 0, 4},
7292 {62, 0x58, 0, 6},
7293 {64, 0x58, 0, 8},
7294
7295 /* 802.11 HyperLan 2 */
7296 {100, 0x5b, 0, 8},
7297 {102, 0x5b, 0, 10},
7298 {104, 0x5c, 0, 0},
7299 {108, 0x5c, 0, 4},
7300 {110, 0x5c, 0, 6},
7301 {112, 0x5c, 0, 8},
7302 {116, 0x5d, 0, 0},
7303 {118, 0x5d, 0, 2},
7304 {120, 0x5d, 0, 4},
7305 {124, 0x5d, 0, 8},
7306 {126, 0x5d, 0, 10},
7307 {128, 0x5e, 0, 0},
7308 {132, 0x5e, 0, 4},
7309 {134, 0x5e, 0, 6},
7310 {136, 0x5e, 0, 8},
7311 {140, 0x5f, 0, 0},
7312
7313 /* 802.11 UNII */
7314 {149, 0x5f, 0, 9},
7315 {151, 0x5f, 0, 11},
7316 {153, 0x60, 0, 1},
7317 {157, 0x60, 0, 5},
7318 {159, 0x60, 0, 7},
7319 {161, 0x60, 0, 9},
7320 {165, 0x61, 0, 1},
7321 {167, 0x61, 0, 3},
7322 {169, 0x61, 0, 5},
7323 {171, 0x61, 0, 7},
7324 {173, 0x61, 0, 9},
7325 };
7326
7327 static const struct rf_channel rf_vals_5592_xtal20[] = {
7328 /* Channel, N, K, mod, R */
7329 {1, 482, 4, 10, 3},
7330 {2, 483, 4, 10, 3},
7331 {3, 484, 4, 10, 3},
7332 {4, 485, 4, 10, 3},
7333 {5, 486, 4, 10, 3},
7334 {6, 487, 4, 10, 3},
7335 {7, 488, 4, 10, 3},
7336 {8, 489, 4, 10, 3},
7337 {9, 490, 4, 10, 3},
7338 {10, 491, 4, 10, 3},
7339 {11, 492, 4, 10, 3},
7340 {12, 493, 4, 10, 3},
7341 {13, 494, 4, 10, 3},
7342 {14, 496, 8, 10, 3},
7343 {36, 172, 8, 12, 1},
7344 {38, 173, 0, 12, 1},
7345 {40, 173, 4, 12, 1},
7346 {42, 173, 8, 12, 1},
7347 {44, 174, 0, 12, 1},
7348 {46, 174, 4, 12, 1},
7349 {48, 174, 8, 12, 1},
7350 {50, 175, 0, 12, 1},
7351 {52, 175, 4, 12, 1},
7352 {54, 175, 8, 12, 1},
7353 {56, 176, 0, 12, 1},
7354 {58, 176, 4, 12, 1},
7355 {60, 176, 8, 12, 1},
7356 {62, 177, 0, 12, 1},
7357 {64, 177, 4, 12, 1},
7358 {100, 183, 4, 12, 1},
7359 {102, 183, 8, 12, 1},
7360 {104, 184, 0, 12, 1},
7361 {106, 184, 4, 12, 1},
7362 {108, 184, 8, 12, 1},
7363 {110, 185, 0, 12, 1},
7364 {112, 185, 4, 12, 1},
7365 {114, 185, 8, 12, 1},
7366 {116, 186, 0, 12, 1},
7367 {118, 186, 4, 12, 1},
7368 {120, 186, 8, 12, 1},
7369 {122, 187, 0, 12, 1},
7370 {124, 187, 4, 12, 1},
7371 {126, 187, 8, 12, 1},
7372 {128, 188, 0, 12, 1},
7373 {130, 188, 4, 12, 1},
7374 {132, 188, 8, 12, 1},
7375 {134, 189, 0, 12, 1},
7376 {136, 189, 4, 12, 1},
7377 {138, 189, 8, 12, 1},
7378 {140, 190, 0, 12, 1},
7379 {149, 191, 6, 12, 1},
7380 {151, 191, 10, 12, 1},
7381 {153, 192, 2, 12, 1},
7382 {155, 192, 6, 12, 1},
7383 {157, 192, 10, 12, 1},
7384 {159, 193, 2, 12, 1},
7385 {161, 193, 6, 12, 1},
7386 {165, 194, 2, 12, 1},
7387 {184, 164, 0, 12, 1},
7388 {188, 164, 4, 12, 1},
7389 {192, 165, 8, 12, 1},
7390 {196, 166, 0, 12, 1},
7391 };
7392
7393 static const struct rf_channel rf_vals_5592_xtal40[] = {
7394 /* Channel, N, K, mod, R */
7395 {1, 241, 2, 10, 3},
7396 {2, 241, 7, 10, 3},
7397 {3, 242, 2, 10, 3},
7398 {4, 242, 7, 10, 3},
7399 {5, 243, 2, 10, 3},
7400 {6, 243, 7, 10, 3},
7401 {7, 244, 2, 10, 3},
7402 {8, 244, 7, 10, 3},
7403 {9, 245, 2, 10, 3},
7404 {10, 245, 7, 10, 3},
7405 {11, 246, 2, 10, 3},
7406 {12, 246, 7, 10, 3},
7407 {13, 247, 2, 10, 3},
7408 {14, 248, 4, 10, 3},
7409 {36, 86, 4, 12, 1},
7410 {38, 86, 6, 12, 1},
7411 {40, 86, 8, 12, 1},
7412 {42, 86, 10, 12, 1},
7413 {44, 87, 0, 12, 1},
7414 {46, 87, 2, 12, 1},
7415 {48, 87, 4, 12, 1},
7416 {50, 87, 6, 12, 1},
7417 {52, 87, 8, 12, 1},
7418 {54, 87, 10, 12, 1},
7419 {56, 88, 0, 12, 1},
7420 {58, 88, 2, 12, 1},
7421 {60, 88, 4, 12, 1},
7422 {62, 88, 6, 12, 1},
7423 {64, 88, 8, 12, 1},
7424 {100, 91, 8, 12, 1},
7425 {102, 91, 10, 12, 1},
7426 {104, 92, 0, 12, 1},
7427 {106, 92, 2, 12, 1},
7428 {108, 92, 4, 12, 1},
7429 {110, 92, 6, 12, 1},
7430 {112, 92, 8, 12, 1},
7431 {114, 92, 10, 12, 1},
7432 {116, 93, 0, 12, 1},
7433 {118, 93, 2, 12, 1},
7434 {120, 93, 4, 12, 1},
7435 {122, 93, 6, 12, 1},
7436 {124, 93, 8, 12, 1},
7437 {126, 93, 10, 12, 1},
7438 {128, 94, 0, 12, 1},
7439 {130, 94, 2, 12, 1},
7440 {132, 94, 4, 12, 1},
7441 {134, 94, 6, 12, 1},
7442 {136, 94, 8, 12, 1},
7443 {138, 94, 10, 12, 1},
7444 {140, 95, 0, 12, 1},
7445 {149, 95, 9, 12, 1},
7446 {151, 95, 11, 12, 1},
7447 {153, 96, 1, 12, 1},
7448 {155, 96, 3, 12, 1},
7449 {157, 96, 5, 12, 1},
7450 {159, 96, 7, 12, 1},
7451 {161, 96, 9, 12, 1},
7452 {165, 97, 1, 12, 1},
7453 {184, 82, 0, 12, 1},
7454 {188, 82, 4, 12, 1},
7455 {192, 82, 8, 12, 1},
7456 {196, 83, 0, 12, 1},
7457 };
7458
7459 static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
7460 {
7461 struct hw_mode_spec *spec = &rt2x00dev->spec;
7462 struct channel_info *info;
7463 char *default_power1;
7464 char *default_power2;
7465 char *default_power3;
7466 unsigned int i;
7467 u32 reg;
7468
7469 /*
7470 * Disable powersaving as default.
7471 */
7472 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
7473
7474 /*
7475 * Initialize all hw fields.
7476 */
7477 ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_HT_CCK_RATES);
7478 ieee80211_hw_set(rt2x00dev->hw, REPORTS_TX_ACK_STATUS);
7479 ieee80211_hw_set(rt2x00dev->hw, AMPDU_AGGREGATION);
7480 ieee80211_hw_set(rt2x00dev->hw, PS_NULLFUNC_STACK);
7481 ieee80211_hw_set(rt2x00dev->hw, SIGNAL_DBM);
7482 ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_PS);
7483
7484 /*
7485 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
7486 * unless we are capable of sending the buffered frames out after the
7487 * DTIM transmission using rt2x00lib_beacondone. This will send out
7488 * multicast and broadcast traffic immediately instead of buffering it
7489 * infinitly and thus dropping it after some time.
7490 */
7491 if (!rt2x00_is_usb(rt2x00dev))
7492 ieee80211_hw_set(rt2x00dev->hw, HOST_BROADCAST_PS_BUFFERING);
7493
7494 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
7495 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
7496 rt2800_eeprom_addr(rt2x00dev,
7497 EEPROM_MAC_ADDR_0));
7498
7499 /*
7500 * As rt2800 has a global fallback table we cannot specify
7501 * more then one tx rate per frame but since the hw will
7502 * try several rates (based on the fallback table) we should
7503 * initialize max_report_rates to the maximum number of rates
7504 * we are going to try. Otherwise mac80211 will truncate our
7505 * reported tx rates and the rc algortihm will end up with
7506 * incorrect data.
7507 */
7508 rt2x00dev->hw->max_rates = 1;
7509 rt2x00dev->hw->max_report_rates = 7;
7510 rt2x00dev->hw->max_rate_tries = 1;
7511
7512 /*
7513 * Initialize hw_mode information.
7514 */
7515 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
7516
7517 switch (rt2x00dev->chip.rf) {
7518 case RF2720:
7519 case RF2820:
7520 spec->num_channels = 14;
7521 spec->channels = rf_vals;
7522 break;
7523
7524 case RF2750:
7525 case RF2850:
7526 spec->num_channels = ARRAY_SIZE(rf_vals);
7527 spec->channels = rf_vals;
7528 break;
7529
7530 case RF2020:
7531 case RF3020:
7532 case RF3021:
7533 case RF3022:
7534 case RF3070:
7535 case RF3290:
7536 case RF3320:
7537 case RF3322:
7538 case RF5360:
7539 case RF5362:
7540 case RF5370:
7541 case RF5372:
7542 case RF5390:
7543 case RF5392:
7544 spec->num_channels = 14;
7545 spec->channels = rf_vals_3x;
7546 break;
7547
7548 case RF3052:
7549 case RF3053:
7550 spec->num_channels = ARRAY_SIZE(rf_vals_3x);
7551 spec->channels = rf_vals_3x;
7552 break;
7553
7554 case RF5592:
7555 rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX, &reg);
7556 if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) {
7557 spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal40);
7558 spec->channels = rf_vals_5592_xtal40;
7559 } else {
7560 spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal20);
7561 spec->channels = rf_vals_5592_xtal20;
7562 }
7563 break;
7564 }
7565
7566 if (WARN_ON_ONCE(!spec->channels))
7567 return -ENODEV;
7568
7569 spec->supported_bands = SUPPORT_BAND_2GHZ;
7570 if (spec->num_channels > 14)
7571 spec->supported_bands |= SUPPORT_BAND_5GHZ;
7572
7573 /*
7574 * Initialize HT information.
7575 */
7576 if (!rt2x00_rf(rt2x00dev, RF2020))
7577 spec->ht.ht_supported = true;
7578 else
7579 spec->ht.ht_supported = false;
7580
7581 spec->ht.cap =
7582 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
7583 IEEE80211_HT_CAP_GRN_FLD |
7584 IEEE80211_HT_CAP_SGI_20 |
7585 IEEE80211_HT_CAP_SGI_40;
7586
7587 if (rt2x00dev->default_ant.tx_chain_num >= 2)
7588 spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
7589
7590 spec->ht.cap |= rt2x00dev->default_ant.rx_chain_num <<
7591 IEEE80211_HT_CAP_RX_STBC_SHIFT;
7592
7593 spec->ht.ampdu_factor = 3;
7594 spec->ht.ampdu_density = 4;
7595 spec->ht.mcs.tx_params =
7596 IEEE80211_HT_MCS_TX_DEFINED |
7597 IEEE80211_HT_MCS_TX_RX_DIFF |
7598 ((rt2x00dev->default_ant.tx_chain_num - 1) <<
7599 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
7600
7601 switch (rt2x00dev->default_ant.rx_chain_num) {
7602 case 3:
7603 spec->ht.mcs.rx_mask[2] = 0xff;
7604 case 2:
7605 spec->ht.mcs.rx_mask[1] = 0xff;
7606 case 1:
7607 spec->ht.mcs.rx_mask[0] = 0xff;
7608 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
7609 break;
7610 }
7611
7612 /*
7613 * Create channel information array
7614 */
7615 info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
7616 if (!info)
7617 return -ENOMEM;
7618
7619 spec->channels_info = info;
7620
7621 default_power1 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
7622 default_power2 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
7623
7624 if (rt2x00dev->default_ant.tx_chain_num > 2)
7625 default_power3 = rt2800_eeprom_addr(rt2x00dev,
7626 EEPROM_EXT_TXPOWER_BG3);
7627 else
7628 default_power3 = NULL;
7629
7630 for (i = 0; i < 14; i++) {
7631 info[i].default_power1 = default_power1[i];
7632 info[i].default_power2 = default_power2[i];
7633 if (default_power3)
7634 info[i].default_power3 = default_power3[i];
7635 }
7636
7637 if (spec->num_channels > 14) {
7638 default_power1 = rt2800_eeprom_addr(rt2x00dev,
7639 EEPROM_TXPOWER_A1);
7640 default_power2 = rt2800_eeprom_addr(rt2x00dev,
7641 EEPROM_TXPOWER_A2);
7642
7643 if (rt2x00dev->default_ant.tx_chain_num > 2)
7644 default_power3 =
7645 rt2800_eeprom_addr(rt2x00dev,
7646 EEPROM_EXT_TXPOWER_A3);
7647 else
7648 default_power3 = NULL;
7649
7650 for (i = 14; i < spec->num_channels; i++) {
7651 info[i].default_power1 = default_power1[i - 14];
7652 info[i].default_power2 = default_power2[i - 14];
7653 if (default_power3)
7654 info[i].default_power3 = default_power3[i - 14];
7655 }
7656 }
7657
7658 switch (rt2x00dev->chip.rf) {
7659 case RF2020:
7660 case RF3020:
7661 case RF3021:
7662 case RF3022:
7663 case RF3320:
7664 case RF3052:
7665 case RF3053:
7666 case RF3070:
7667 case RF3290:
7668 case RF5360:
7669 case RF5362:
7670 case RF5370:
7671 case RF5372:
7672 case RF5390:
7673 case RF5392:
7674 __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags);
7675 break;
7676 }
7677
7678 return 0;
7679 }
7680
7681 static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev)
7682 {
7683 u32 reg;
7684 u32 rt;
7685 u32 rev;
7686
7687 if (rt2x00_rt(rt2x00dev, RT3290))
7688 rt2800_register_read(rt2x00dev, MAC_CSR0_3290, &reg);
7689 else
7690 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
7691
7692 rt = rt2x00_get_field32(reg, MAC_CSR0_CHIPSET);
7693 rev = rt2x00_get_field32(reg, MAC_CSR0_REVISION);
7694
7695 switch (rt) {
7696 case RT2860:
7697 case RT2872:
7698 case RT2883:
7699 case RT3070:
7700 case RT3071:
7701 case RT3090:
7702 case RT3290:
7703 case RT3352:
7704 case RT3390:
7705 case RT3572:
7706 case RT3593:
7707 case RT5390:
7708 case RT5392:
7709 case RT5592:
7710 break;
7711 default:
7712 rt2x00_err(rt2x00dev, "Invalid RT chipset 0x%04x, rev %04x detected\n",
7713 rt, rev);
7714 return -ENODEV;
7715 }
7716
7717 rt2x00_set_rt(rt2x00dev, rt, rev);
7718
7719 return 0;
7720 }
7721
7722 int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
7723 {
7724 int retval;
7725 u32 reg;
7726
7727 retval = rt2800_probe_rt(rt2x00dev);
7728 if (retval)
7729 return retval;
7730
7731 /*
7732 * Allocate eeprom data.
7733 */
7734 retval = rt2800_validate_eeprom(rt2x00dev);
7735 if (retval)
7736 return retval;
7737
7738 retval = rt2800_init_eeprom(rt2x00dev);
7739 if (retval)
7740 return retval;
7741
7742 /*
7743 * Enable rfkill polling by setting GPIO direction of the
7744 * rfkill switch GPIO pin correctly.
7745 */
7746 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
7747 rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
7748 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
7749
7750 /*
7751 * Initialize hw specifications.
7752 */
7753 retval = rt2800_probe_hw_mode(rt2x00dev);
7754 if (retval)
7755 return retval;
7756
7757 /*
7758 * Set device capabilities.
7759 */
7760 __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
7761 __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
7762 if (!rt2x00_is_usb(rt2x00dev))
7763 __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
7764
7765 /*
7766 * Set device requirements.
7767 */
7768 if (!rt2x00_is_soc(rt2x00dev))
7769 __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
7770 __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
7771 __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
7772 if (!rt2800_hwcrypt_disabled(rt2x00dev))
7773 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
7774 __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
7775 __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
7776 if (rt2x00_is_usb(rt2x00dev))
7777 __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
7778 else {
7779 __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
7780 __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
7781 }
7782
7783 /*
7784 * Set the rssi offset.
7785 */
7786 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
7787
7788 return 0;
7789 }
7790 EXPORT_SYMBOL_GPL(rt2800_probe_hw);
7791
7792 /*
7793 * IEEE80211 stack callback functions.
7794 */
7795 void rt2800_get_key_seq(struct ieee80211_hw *hw,
7796 struct ieee80211_key_conf *key,
7797 struct ieee80211_key_seq *seq)
7798 {
7799 struct rt2x00_dev *rt2x00dev = hw->priv;
7800 struct mac_iveiv_entry iveiv_entry;
7801 u32 offset;
7802
7803 if (key->cipher != WLAN_CIPHER_SUITE_TKIP)
7804 return;
7805
7806 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
7807 rt2800_register_multiread(rt2x00dev, offset,
7808 &iveiv_entry, sizeof(iveiv_entry));
7809
7810 memcpy(&seq->tkip.iv16, &iveiv_entry.iv[0], 2);
7811 memcpy(&seq->tkip.iv32, &iveiv_entry.iv[4], 4);
7812 }
7813 EXPORT_SYMBOL_GPL(rt2800_get_key_seq);
7814
7815 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
7816 {
7817 struct rt2x00_dev *rt2x00dev = hw->priv;
7818 u32 reg;
7819 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
7820
7821 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
7822 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
7823 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
7824
7825 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
7826 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
7827 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
7828
7829 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
7830 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
7831 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
7832
7833 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
7834 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
7835 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
7836
7837 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
7838 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
7839 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
7840
7841 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
7842 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
7843 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
7844
7845 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
7846 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
7847 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
7848
7849 return 0;
7850 }
7851 EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
7852
7853 int rt2800_conf_tx(struct ieee80211_hw *hw,
7854 struct ieee80211_vif *vif, u16 queue_idx,
7855 const struct ieee80211_tx_queue_params *params)
7856 {
7857 struct rt2x00_dev *rt2x00dev = hw->priv;
7858 struct data_queue *queue;
7859 struct rt2x00_field32 field;
7860 int retval;
7861 u32 reg;
7862 u32 offset;
7863
7864 /*
7865 * First pass the configuration through rt2x00lib, that will
7866 * update the queue settings and validate the input. After that
7867 * we are free to update the registers based on the value
7868 * in the queue parameter.
7869 */
7870 retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
7871 if (retval)
7872 return retval;
7873
7874 /*
7875 * We only need to perform additional register initialization
7876 * for WMM queues/
7877 */
7878 if (queue_idx >= 4)
7879 return 0;
7880
7881 queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
7882
7883 /* Update WMM TXOP register */
7884 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
7885 field.bit_offset = (queue_idx & 1) * 16;
7886 field.bit_mask = 0xffff << field.bit_offset;
7887
7888 rt2800_register_read(rt2x00dev, offset, &reg);
7889 rt2x00_set_field32(&reg, field, queue->txop);
7890 rt2800_register_write(rt2x00dev, offset, reg);
7891
7892 /* Update WMM registers */
7893 field.bit_offset = queue_idx * 4;
7894 field.bit_mask = 0xf << field.bit_offset;
7895
7896 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
7897 rt2x00_set_field32(&reg, field, queue->aifs);
7898 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
7899
7900 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
7901 rt2x00_set_field32(&reg, field, queue->cw_min);
7902 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
7903
7904 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
7905 rt2x00_set_field32(&reg, field, queue->cw_max);
7906 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
7907
7908 /* Update EDCA registers */
7909 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
7910
7911 rt2800_register_read(rt2x00dev, offset, &reg);
7912 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
7913 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
7914 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
7915 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
7916 rt2800_register_write(rt2x00dev, offset, reg);
7917
7918 return 0;
7919 }
7920 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
7921
7922 u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
7923 {
7924 struct rt2x00_dev *rt2x00dev = hw->priv;
7925 u64 tsf;
7926 u32 reg;
7927
7928 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
7929 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
7930 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
7931 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
7932
7933 return tsf;
7934 }
7935 EXPORT_SYMBOL_GPL(rt2800_get_tsf);
7936
7937 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
7938 enum ieee80211_ampdu_mlme_action action,
7939 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
7940 u8 buf_size, bool amsdu)
7941 {
7942 struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
7943 int ret = 0;
7944
7945 /*
7946 * Don't allow aggregation for stations the hardware isn't aware
7947 * of because tx status reports for frames to an unknown station
7948 * always contain wcid=WCID_END+1 and thus we can't distinguish
7949 * between multiple stations which leads to unwanted situations
7950 * when the hw reorders frames due to aggregation.
7951 */
7952 if (sta_priv->wcid > WCID_END)
7953 return 1;
7954
7955 switch (action) {
7956 case IEEE80211_AMPDU_RX_START:
7957 case IEEE80211_AMPDU_RX_STOP:
7958 /*
7959 * The hw itself takes care of setting up BlockAck mechanisms.
7960 * So, we only have to allow mac80211 to nagotiate a BlockAck
7961 * agreement. Once that is done, the hw will BlockAck incoming
7962 * AMPDUs without further setup.
7963 */
7964 break;
7965 case IEEE80211_AMPDU_TX_START:
7966 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
7967 break;
7968 case IEEE80211_AMPDU_TX_STOP_CONT:
7969 case IEEE80211_AMPDU_TX_STOP_FLUSH:
7970 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
7971 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
7972 break;
7973 case IEEE80211_AMPDU_TX_OPERATIONAL:
7974 break;
7975 default:
7976 rt2x00_warn((struct rt2x00_dev *)hw->priv,
7977 "Unknown AMPDU action\n");
7978 }
7979
7980 return ret;
7981 }
7982 EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
7983
7984 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
7985 struct survey_info *survey)
7986 {
7987 struct rt2x00_dev *rt2x00dev = hw->priv;
7988 struct ieee80211_conf *conf = &hw->conf;
7989 u32 idle, busy, busy_ext;
7990
7991 if (idx != 0)
7992 return -ENOENT;
7993
7994 survey->channel = conf->chandef.chan;
7995
7996 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle);
7997 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy);
7998 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext);
7999
8000 if (idle || busy) {
8001 survey->filled = SURVEY_INFO_TIME |
8002 SURVEY_INFO_TIME_BUSY |
8003 SURVEY_INFO_TIME_EXT_BUSY;
8004
8005 survey->time = (idle + busy) / 1000;
8006 survey->time_busy = busy / 1000;
8007 survey->time_ext_busy = busy_ext / 1000;
8008 }
8009
8010 if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
8011 survey->filled |= SURVEY_INFO_IN_USE;
8012
8013 return 0;
8014
8015 }
8016 EXPORT_SYMBOL_GPL(rt2800_get_survey);
8017
8018 MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
8019 MODULE_VERSION(DRV_VERSION);
8020 MODULE_DESCRIPTION("Ralink RT2800 library");
8021 MODULE_LICENSE("GPL");
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