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_RFCSR_MT7620(__dev, __reg) \
63 rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY_MT7620, \
64 (__reg))
65 #define WAIT_FOR_RF(__dev, __reg) \
66 rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
67 #define WAIT_FOR_MCU(__dev, __reg) \
68 rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
69 H2M_MAILBOX_CSR_OWNER, (__reg))
70
rt2800_is_305x_soc(struct rt2x00_dev * rt2x00dev)71 static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev)
72 {
73 /* check for rt2872 on SoC */
74 if (!rt2x00_is_soc(rt2x00dev) ||
75 !rt2x00_rt(rt2x00dev, RT2872))
76 return false;
77
78 /* we know for sure that these rf chipsets are used on rt305x boards */
79 if (rt2x00_rf(rt2x00dev, RF3020) ||
80 rt2x00_rf(rt2x00dev, RF3021) ||
81 rt2x00_rf(rt2x00dev, RF3022))
82 return true;
83
84 rt2x00_warn(rt2x00dev, "Unknown RF chipset on rt305x\n");
85 return false;
86 }
87
rt2800_bbp_write(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u8 value)88 static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
89 const unsigned int word, const u8 value)
90 {
91 u32 reg;
92
93 mutex_lock(&rt2x00dev->csr_mutex);
94
95 /*
96 * Wait until the BBP becomes available, afterwards we
97 * can safely write the new data into the register.
98 */
99 if (WAIT_FOR_BBP(rt2x00dev, ®)) {
100 reg = 0;
101 rt2x00_set_field32(®, BBP_CSR_CFG_VALUE, value);
102 rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word);
103 rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1);
104 rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 0);
105 rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1);
106
107 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
108 }
109
110 mutex_unlock(&rt2x00dev->csr_mutex);
111 }
112
rt2800_bbp_read(struct rt2x00_dev * rt2x00dev,const unsigned int word)113 static u8 rt2800_bbp_read(struct rt2x00_dev *rt2x00dev, const unsigned int word)
114 {
115 u32 reg;
116 u8 value;
117
118 mutex_lock(&rt2x00dev->csr_mutex);
119
120 /*
121 * Wait until the BBP becomes available, afterwards we
122 * can safely write the read request into the register.
123 * After the data has been written, we wait until hardware
124 * returns the correct value, if at any time the register
125 * doesn't become available in time, reg will be 0xffffffff
126 * which means we return 0xff to the caller.
127 */
128 if (WAIT_FOR_BBP(rt2x00dev, ®)) {
129 reg = 0;
130 rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word);
131 rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1);
132 rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 1);
133 rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1);
134
135 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
136
137 WAIT_FOR_BBP(rt2x00dev, ®);
138 }
139
140 value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
141
142 mutex_unlock(&rt2x00dev->csr_mutex);
143
144 return value;
145 }
146
rt2800_rfcsr_write(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u8 value)147 static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
148 const unsigned int word, const u8 value)
149 {
150 u32 reg;
151
152 mutex_lock(&rt2x00dev->csr_mutex);
153
154 /*
155 * Wait until the RFCSR becomes available, afterwards we
156 * can safely write the new data into the register.
157 */
158 switch (rt2x00dev->chip.rt) {
159 case RT6352:
160 if (WAIT_FOR_RFCSR_MT7620(rt2x00dev, ®)) {
161 reg = 0;
162 rt2x00_set_field32(®, RF_CSR_CFG_DATA_MT7620, value);
163 rt2x00_set_field32(®, RF_CSR_CFG_REGNUM_MT7620,
164 word);
165 rt2x00_set_field32(®, RF_CSR_CFG_WRITE_MT7620, 1);
166 rt2x00_set_field32(®, RF_CSR_CFG_BUSY_MT7620, 1);
167
168 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
169 }
170 break;
171
172 default:
173 if (WAIT_FOR_RFCSR(rt2x00dev, ®)) {
174 reg = 0;
175 rt2x00_set_field32(®, RF_CSR_CFG_DATA, value);
176 rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word);
177 rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 1);
178 rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1);
179
180 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
181 }
182 break;
183 }
184
185 mutex_unlock(&rt2x00dev->csr_mutex);
186 }
187
rt2800_rfcsr_write_bank(struct rt2x00_dev * rt2x00dev,const u8 bank,const unsigned int reg,const u8 value)188 static void rt2800_rfcsr_write_bank(struct rt2x00_dev *rt2x00dev, const u8 bank,
189 const unsigned int reg, const u8 value)
190 {
191 rt2800_rfcsr_write(rt2x00dev, (reg | (bank << 6)), value);
192 }
193
rt2800_rfcsr_write_chanreg(struct rt2x00_dev * rt2x00dev,const unsigned int reg,const u8 value)194 static void rt2800_rfcsr_write_chanreg(struct rt2x00_dev *rt2x00dev,
195 const unsigned int reg, const u8 value)
196 {
197 rt2800_rfcsr_write_bank(rt2x00dev, 4, reg, value);
198 rt2800_rfcsr_write_bank(rt2x00dev, 6, reg, value);
199 }
200
rt2800_rfcsr_write_dccal(struct rt2x00_dev * rt2x00dev,const unsigned int reg,const u8 value)201 static void rt2800_rfcsr_write_dccal(struct rt2x00_dev *rt2x00dev,
202 const unsigned int reg, const u8 value)
203 {
204 rt2800_rfcsr_write_bank(rt2x00dev, 5, reg, value);
205 rt2800_rfcsr_write_bank(rt2x00dev, 7, reg, value);
206 }
207
rt2800_rfcsr_read(struct rt2x00_dev * rt2x00dev,const unsigned int word)208 static u8 rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
209 const unsigned int word)
210 {
211 u32 reg;
212 u8 value;
213
214 mutex_lock(&rt2x00dev->csr_mutex);
215
216 /*
217 * Wait until the RFCSR becomes available, afterwards we
218 * can safely write the read request into the register.
219 * After the data has been written, we wait until hardware
220 * returns the correct value, if at any time the register
221 * doesn't become available in time, reg will be 0xffffffff
222 * which means we return 0xff to the caller.
223 */
224 switch (rt2x00dev->chip.rt) {
225 case RT6352:
226 if (WAIT_FOR_RFCSR_MT7620(rt2x00dev, ®)) {
227 reg = 0;
228 rt2x00_set_field32(®, RF_CSR_CFG_REGNUM_MT7620,
229 word);
230 rt2x00_set_field32(®, RF_CSR_CFG_WRITE_MT7620, 0);
231 rt2x00_set_field32(®, RF_CSR_CFG_BUSY_MT7620, 1);
232
233 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
234
235 WAIT_FOR_RFCSR_MT7620(rt2x00dev, ®);
236 }
237
238 value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA_MT7620);
239 break;
240
241 default:
242 if (WAIT_FOR_RFCSR(rt2x00dev, ®)) {
243 reg = 0;
244 rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word);
245 rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 0);
246 rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1);
247
248 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
249
250 WAIT_FOR_RFCSR(rt2x00dev, ®);
251 }
252
253 value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
254 break;
255 }
256
257 mutex_unlock(&rt2x00dev->csr_mutex);
258
259 return value;
260 }
261
rt2800_rfcsr_read_bank(struct rt2x00_dev * rt2x00dev,const u8 bank,const unsigned int reg)262 static u8 rt2800_rfcsr_read_bank(struct rt2x00_dev *rt2x00dev, const u8 bank,
263 const unsigned int reg)
264 {
265 return rt2800_rfcsr_read(rt2x00dev, (reg | (bank << 6)));
266 }
267
rt2800_rf_write(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u32 value)268 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
269 const unsigned int word, const u32 value)
270 {
271 u32 reg;
272
273 mutex_lock(&rt2x00dev->csr_mutex);
274
275 /*
276 * Wait until the RF becomes available, afterwards we
277 * can safely write the new data into the register.
278 */
279 if (WAIT_FOR_RF(rt2x00dev, ®)) {
280 reg = 0;
281 rt2x00_set_field32(®, RF_CSR_CFG0_REG_VALUE_BW, value);
282 rt2x00_set_field32(®, RF_CSR_CFG0_STANDBYMODE, 0);
283 rt2x00_set_field32(®, RF_CSR_CFG0_SEL, 0);
284 rt2x00_set_field32(®, RF_CSR_CFG0_BUSY, 1);
285
286 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
287 rt2x00_rf_write(rt2x00dev, word, value);
288 }
289
290 mutex_unlock(&rt2x00dev->csr_mutex);
291 }
292
293 static const unsigned int rt2800_eeprom_map[EEPROM_WORD_COUNT] = {
294 [EEPROM_CHIP_ID] = 0x0000,
295 [EEPROM_VERSION] = 0x0001,
296 [EEPROM_MAC_ADDR_0] = 0x0002,
297 [EEPROM_MAC_ADDR_1] = 0x0003,
298 [EEPROM_MAC_ADDR_2] = 0x0004,
299 [EEPROM_NIC_CONF0] = 0x001a,
300 [EEPROM_NIC_CONF1] = 0x001b,
301 [EEPROM_FREQ] = 0x001d,
302 [EEPROM_LED_AG_CONF] = 0x001e,
303 [EEPROM_LED_ACT_CONF] = 0x001f,
304 [EEPROM_LED_POLARITY] = 0x0020,
305 [EEPROM_NIC_CONF2] = 0x0021,
306 [EEPROM_LNA] = 0x0022,
307 [EEPROM_RSSI_BG] = 0x0023,
308 [EEPROM_RSSI_BG2] = 0x0024,
309 [EEPROM_TXMIXER_GAIN_BG] = 0x0024, /* overlaps with RSSI_BG2 */
310 [EEPROM_RSSI_A] = 0x0025,
311 [EEPROM_RSSI_A2] = 0x0026,
312 [EEPROM_TXMIXER_GAIN_A] = 0x0026, /* overlaps with RSSI_A2 */
313 [EEPROM_EIRP_MAX_TX_POWER] = 0x0027,
314 [EEPROM_TXPOWER_DELTA] = 0x0028,
315 [EEPROM_TXPOWER_BG1] = 0x0029,
316 [EEPROM_TXPOWER_BG2] = 0x0030,
317 [EEPROM_TSSI_BOUND_BG1] = 0x0037,
318 [EEPROM_TSSI_BOUND_BG2] = 0x0038,
319 [EEPROM_TSSI_BOUND_BG3] = 0x0039,
320 [EEPROM_TSSI_BOUND_BG4] = 0x003a,
321 [EEPROM_TSSI_BOUND_BG5] = 0x003b,
322 [EEPROM_TXPOWER_A1] = 0x003c,
323 [EEPROM_TXPOWER_A2] = 0x0053,
324 [EEPROM_TXPOWER_INIT] = 0x0068,
325 [EEPROM_TSSI_BOUND_A1] = 0x006a,
326 [EEPROM_TSSI_BOUND_A2] = 0x006b,
327 [EEPROM_TSSI_BOUND_A3] = 0x006c,
328 [EEPROM_TSSI_BOUND_A4] = 0x006d,
329 [EEPROM_TSSI_BOUND_A5] = 0x006e,
330 [EEPROM_TXPOWER_BYRATE] = 0x006f,
331 [EEPROM_BBP_START] = 0x0078,
332 };
333
334 static const unsigned int rt2800_eeprom_map_ext[EEPROM_WORD_COUNT] = {
335 [EEPROM_CHIP_ID] = 0x0000,
336 [EEPROM_VERSION] = 0x0001,
337 [EEPROM_MAC_ADDR_0] = 0x0002,
338 [EEPROM_MAC_ADDR_1] = 0x0003,
339 [EEPROM_MAC_ADDR_2] = 0x0004,
340 [EEPROM_NIC_CONF0] = 0x001a,
341 [EEPROM_NIC_CONF1] = 0x001b,
342 [EEPROM_NIC_CONF2] = 0x001c,
343 [EEPROM_EIRP_MAX_TX_POWER] = 0x0020,
344 [EEPROM_FREQ] = 0x0022,
345 [EEPROM_LED_AG_CONF] = 0x0023,
346 [EEPROM_LED_ACT_CONF] = 0x0024,
347 [EEPROM_LED_POLARITY] = 0x0025,
348 [EEPROM_LNA] = 0x0026,
349 [EEPROM_EXT_LNA2] = 0x0027,
350 [EEPROM_RSSI_BG] = 0x0028,
351 [EEPROM_RSSI_BG2] = 0x0029,
352 [EEPROM_RSSI_A] = 0x002a,
353 [EEPROM_RSSI_A2] = 0x002b,
354 [EEPROM_TXPOWER_BG1] = 0x0030,
355 [EEPROM_TXPOWER_BG2] = 0x0037,
356 [EEPROM_EXT_TXPOWER_BG3] = 0x003e,
357 [EEPROM_TSSI_BOUND_BG1] = 0x0045,
358 [EEPROM_TSSI_BOUND_BG2] = 0x0046,
359 [EEPROM_TSSI_BOUND_BG3] = 0x0047,
360 [EEPROM_TSSI_BOUND_BG4] = 0x0048,
361 [EEPROM_TSSI_BOUND_BG5] = 0x0049,
362 [EEPROM_TXPOWER_A1] = 0x004b,
363 [EEPROM_TXPOWER_A2] = 0x0065,
364 [EEPROM_EXT_TXPOWER_A3] = 0x007f,
365 [EEPROM_TSSI_BOUND_A1] = 0x009a,
366 [EEPROM_TSSI_BOUND_A2] = 0x009b,
367 [EEPROM_TSSI_BOUND_A3] = 0x009c,
368 [EEPROM_TSSI_BOUND_A4] = 0x009d,
369 [EEPROM_TSSI_BOUND_A5] = 0x009e,
370 [EEPROM_TXPOWER_BYRATE] = 0x00a0,
371 };
372
rt2800_eeprom_word_index(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word)373 static unsigned int rt2800_eeprom_word_index(struct rt2x00_dev *rt2x00dev,
374 const enum rt2800_eeprom_word word)
375 {
376 const unsigned int *map;
377 unsigned int index;
378
379 if (WARN_ONCE(word >= EEPROM_WORD_COUNT,
380 "%s: invalid EEPROM word %d\n",
381 wiphy_name(rt2x00dev->hw->wiphy), word))
382 return 0;
383
384 if (rt2x00_rt(rt2x00dev, RT3593))
385 map = rt2800_eeprom_map_ext;
386 else
387 map = rt2800_eeprom_map;
388
389 index = map[word];
390
391 /* Index 0 is valid only for EEPROM_CHIP_ID.
392 * Otherwise it means that the offset of the
393 * given word is not initialized in the map,
394 * or that the field is not usable on the
395 * actual chipset.
396 */
397 WARN_ONCE(word != EEPROM_CHIP_ID && index == 0,
398 "%s: invalid access of EEPROM word %d\n",
399 wiphy_name(rt2x00dev->hw->wiphy), word);
400
401 return index;
402 }
403
rt2800_eeprom_addr(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word)404 static void *rt2800_eeprom_addr(struct rt2x00_dev *rt2x00dev,
405 const enum rt2800_eeprom_word word)
406 {
407 unsigned int index;
408
409 index = rt2800_eeprom_word_index(rt2x00dev, word);
410 return rt2x00_eeprom_addr(rt2x00dev, index);
411 }
412
rt2800_eeprom_read(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word)413 static u16 rt2800_eeprom_read(struct rt2x00_dev *rt2x00dev,
414 const enum rt2800_eeprom_word word)
415 {
416 unsigned int index;
417
418 index = rt2800_eeprom_word_index(rt2x00dev, word);
419 return rt2x00_eeprom_read(rt2x00dev, index);
420 }
421
rt2800_eeprom_write(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word,u16 data)422 static void rt2800_eeprom_write(struct rt2x00_dev *rt2x00dev,
423 const enum rt2800_eeprom_word word, u16 data)
424 {
425 unsigned int index;
426
427 index = rt2800_eeprom_word_index(rt2x00dev, word);
428 rt2x00_eeprom_write(rt2x00dev, index, data);
429 }
430
rt2800_eeprom_read_from_array(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word array,unsigned int offset)431 static u16 rt2800_eeprom_read_from_array(struct rt2x00_dev *rt2x00dev,
432 const enum rt2800_eeprom_word array,
433 unsigned int offset)
434 {
435 unsigned int index;
436
437 index = rt2800_eeprom_word_index(rt2x00dev, array);
438 return rt2x00_eeprom_read(rt2x00dev, index + offset);
439 }
440
rt2800_enable_wlan_rt3290(struct rt2x00_dev * rt2x00dev)441 static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev)
442 {
443 u32 reg;
444 int i, count;
445
446 reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL);
447 rt2x00_set_field32(®, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff);
448 rt2x00_set_field32(®, FRC_WL_ANT_SET, 1);
449 rt2x00_set_field32(®, WLAN_CLK_EN, 0);
450 rt2x00_set_field32(®, WLAN_EN, 1);
451 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
452
453 udelay(REGISTER_BUSY_DELAY);
454
455 count = 0;
456 do {
457 /*
458 * Check PLL_LD & XTAL_RDY.
459 */
460 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
461 reg = rt2800_register_read(rt2x00dev, CMB_CTRL);
462 if (rt2x00_get_field32(reg, PLL_LD) &&
463 rt2x00_get_field32(reg, XTAL_RDY))
464 break;
465 udelay(REGISTER_BUSY_DELAY);
466 }
467
468 if (i >= REGISTER_BUSY_COUNT) {
469
470 if (count >= 10)
471 return -EIO;
472
473 rt2800_register_write(rt2x00dev, 0x58, 0x018);
474 udelay(REGISTER_BUSY_DELAY);
475 rt2800_register_write(rt2x00dev, 0x58, 0x418);
476 udelay(REGISTER_BUSY_DELAY);
477 rt2800_register_write(rt2x00dev, 0x58, 0x618);
478 udelay(REGISTER_BUSY_DELAY);
479 count++;
480 } else {
481 count = 0;
482 }
483
484 reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL);
485 rt2x00_set_field32(®, PCIE_APP0_CLK_REQ, 0);
486 rt2x00_set_field32(®, WLAN_CLK_EN, 1);
487 rt2x00_set_field32(®, WLAN_RESET, 1);
488 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
489 udelay(10);
490 rt2x00_set_field32(®, WLAN_RESET, 0);
491 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
492 udelay(10);
493 rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff);
494 } while (count != 0);
495
496 return 0;
497 }
498
rt2800_mcu_request(struct rt2x00_dev * rt2x00dev,const u8 command,const u8 token,const u8 arg0,const u8 arg1)499 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
500 const u8 command, const u8 token,
501 const u8 arg0, const u8 arg1)
502 {
503 u32 reg;
504
505 /*
506 * SOC devices don't support MCU requests.
507 */
508 if (rt2x00_is_soc(rt2x00dev))
509 return;
510
511 mutex_lock(&rt2x00dev->csr_mutex);
512
513 /*
514 * Wait until the MCU becomes available, afterwards we
515 * can safely write the new data into the register.
516 */
517 if (WAIT_FOR_MCU(rt2x00dev, ®)) {
518 rt2x00_set_field32(®, H2M_MAILBOX_CSR_OWNER, 1);
519 rt2x00_set_field32(®, H2M_MAILBOX_CSR_CMD_TOKEN, token);
520 rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG0, arg0);
521 rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG1, arg1);
522 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
523
524 reg = 0;
525 rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command);
526 rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
527 }
528
529 mutex_unlock(&rt2x00dev->csr_mutex);
530 }
531 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
532
rt2800_wait_csr_ready(struct rt2x00_dev * rt2x00dev)533 int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
534 {
535 unsigned int i = 0;
536 u32 reg;
537
538 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
539 reg = rt2800_register_read(rt2x00dev, MAC_CSR0);
540 if (reg && reg != ~0)
541 return 0;
542 msleep(1);
543 }
544
545 rt2x00_err(rt2x00dev, "Unstable hardware\n");
546 return -EBUSY;
547 }
548 EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
549
rt2800_wait_wpdma_ready(struct rt2x00_dev * rt2x00dev)550 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
551 {
552 unsigned int i;
553 u32 reg;
554
555 /*
556 * Some devices are really slow to respond here. Wait a whole second
557 * before timing out.
558 */
559 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
560 reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG);
561 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
562 !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
563 return 0;
564
565 msleep(10);
566 }
567
568 rt2x00_err(rt2x00dev, "WPDMA TX/RX busy [0x%08x]\n", reg);
569 return -EACCES;
570 }
571 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
572
rt2800_disable_wpdma(struct rt2x00_dev * rt2x00dev)573 void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev)
574 {
575 u32 reg;
576
577 reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG);
578 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
579 rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
580 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
581 rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
582 rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
583 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
584 }
585 EXPORT_SYMBOL_GPL(rt2800_disable_wpdma);
586
rt2800_get_txwi_rxwi_size(struct rt2x00_dev * rt2x00dev,unsigned short * txwi_size,unsigned short * rxwi_size)587 void rt2800_get_txwi_rxwi_size(struct rt2x00_dev *rt2x00dev,
588 unsigned short *txwi_size,
589 unsigned short *rxwi_size)
590 {
591 switch (rt2x00dev->chip.rt) {
592 case RT3593:
593 *txwi_size = TXWI_DESC_SIZE_4WORDS;
594 *rxwi_size = RXWI_DESC_SIZE_5WORDS;
595 break;
596
597 case RT5592:
598 case RT6352:
599 *txwi_size = TXWI_DESC_SIZE_5WORDS;
600 *rxwi_size = RXWI_DESC_SIZE_6WORDS;
601 break;
602
603 default:
604 *txwi_size = TXWI_DESC_SIZE_4WORDS;
605 *rxwi_size = RXWI_DESC_SIZE_4WORDS;
606 break;
607 }
608 }
609 EXPORT_SYMBOL_GPL(rt2800_get_txwi_rxwi_size);
610
rt2800_check_firmware_crc(const u8 * data,const size_t len)611 static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
612 {
613 u16 fw_crc;
614 u16 crc;
615
616 /*
617 * The last 2 bytes in the firmware array are the crc checksum itself,
618 * this means that we should never pass those 2 bytes to the crc
619 * algorithm.
620 */
621 fw_crc = (data[len - 2] << 8 | data[len - 1]);
622
623 /*
624 * Use the crc ccitt algorithm.
625 * This will return the same value as the legacy driver which
626 * used bit ordering reversion on the both the firmware bytes
627 * before input input as well as on the final output.
628 * Obviously using crc ccitt directly is much more efficient.
629 */
630 crc = crc_ccitt(~0, data, len - 2);
631
632 /*
633 * There is a small difference between the crc-itu-t + bitrev and
634 * the crc-ccitt crc calculation. In the latter method the 2 bytes
635 * will be swapped, use swab16 to convert the crc to the correct
636 * value.
637 */
638 crc = swab16(crc);
639
640 return fw_crc == crc;
641 }
642
rt2800_check_firmware(struct rt2x00_dev * rt2x00dev,const u8 * data,const size_t len)643 int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
644 const u8 *data, const size_t len)
645 {
646 size_t offset = 0;
647 size_t fw_len;
648 bool multiple;
649
650 /*
651 * PCI(e) & SOC devices require firmware with a length
652 * of 8kb. USB devices require firmware files with a length
653 * of 4kb. Certain USB chipsets however require different firmware,
654 * which Ralink only provides attached to the original firmware
655 * file. Thus for USB devices, firmware files have a length
656 * which is a multiple of 4kb. The firmware for rt3290 chip also
657 * have a length which is a multiple of 4kb.
658 */
659 if (rt2x00_is_usb(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3290))
660 fw_len = 4096;
661 else
662 fw_len = 8192;
663
664 multiple = true;
665 /*
666 * Validate the firmware length
667 */
668 if (len != fw_len && (!multiple || (len % fw_len) != 0))
669 return FW_BAD_LENGTH;
670
671 /*
672 * Check if the chipset requires one of the upper parts
673 * of the firmware.
674 */
675 if (rt2x00_is_usb(rt2x00dev) &&
676 !rt2x00_rt(rt2x00dev, RT2860) &&
677 !rt2x00_rt(rt2x00dev, RT2872) &&
678 !rt2x00_rt(rt2x00dev, RT3070) &&
679 ((len / fw_len) == 1))
680 return FW_BAD_VERSION;
681
682 /*
683 * 8kb firmware files must be checked as if it were
684 * 2 separate firmware files.
685 */
686 while (offset < len) {
687 if (!rt2800_check_firmware_crc(data + offset, fw_len))
688 return FW_BAD_CRC;
689
690 offset += fw_len;
691 }
692
693 return FW_OK;
694 }
695 EXPORT_SYMBOL_GPL(rt2800_check_firmware);
696
rt2800_load_firmware(struct rt2x00_dev * rt2x00dev,const u8 * data,const size_t len)697 int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
698 const u8 *data, const size_t len)
699 {
700 unsigned int i;
701 u32 reg;
702 int retval;
703
704 if (rt2x00_rt(rt2x00dev, RT3290)) {
705 retval = rt2800_enable_wlan_rt3290(rt2x00dev);
706 if (retval)
707 return -EBUSY;
708 }
709
710 /*
711 * If driver doesn't wake up firmware here,
712 * rt2800_load_firmware will hang forever when interface is up again.
713 */
714 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
715
716 /*
717 * Wait for stable hardware.
718 */
719 if (rt2800_wait_csr_ready(rt2x00dev))
720 return -EBUSY;
721
722 if (rt2x00_is_pci(rt2x00dev)) {
723 if (rt2x00_rt(rt2x00dev, RT3290) ||
724 rt2x00_rt(rt2x00dev, RT3572) ||
725 rt2x00_rt(rt2x00dev, RT5390) ||
726 rt2x00_rt(rt2x00dev, RT5392)) {
727 reg = rt2800_register_read(rt2x00dev, AUX_CTRL);
728 rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1);
729 rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1);
730 rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
731 }
732 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
733 }
734
735 rt2800_disable_wpdma(rt2x00dev);
736
737 /*
738 * Write firmware to the device.
739 */
740 rt2800_drv_write_firmware(rt2x00dev, data, len);
741
742 /*
743 * Wait for device to stabilize.
744 */
745 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
746 reg = rt2800_register_read(rt2x00dev, PBF_SYS_CTRL);
747 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
748 break;
749 msleep(1);
750 }
751
752 if (i == REGISTER_BUSY_COUNT) {
753 rt2x00_err(rt2x00dev, "PBF system register not ready\n");
754 return -EBUSY;
755 }
756
757 /*
758 * Disable DMA, will be reenabled later when enabling
759 * the radio.
760 */
761 rt2800_disable_wpdma(rt2x00dev);
762
763 /*
764 * Initialize firmware.
765 */
766 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
767 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
768 if (rt2x00_is_usb(rt2x00dev)) {
769 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
770 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
771 }
772 msleep(1);
773
774 return 0;
775 }
776 EXPORT_SYMBOL_GPL(rt2800_load_firmware);
777
rt2800_write_tx_data(struct queue_entry * entry,struct txentry_desc * txdesc)778 void rt2800_write_tx_data(struct queue_entry *entry,
779 struct txentry_desc *txdesc)
780 {
781 __le32 *txwi = rt2800_drv_get_txwi(entry);
782 u32 word;
783 int i;
784
785 /*
786 * Initialize TX Info descriptor
787 */
788 word = rt2x00_desc_read(txwi, 0);
789 rt2x00_set_field32(&word, TXWI_W0_FRAG,
790 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
791 rt2x00_set_field32(&word, TXWI_W0_MIMO_PS,
792 test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags));
793 rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
794 rt2x00_set_field32(&word, TXWI_W0_TS,
795 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
796 rt2x00_set_field32(&word, TXWI_W0_AMPDU,
797 test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
798 rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY,
799 txdesc->u.ht.mpdu_density);
800 rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop);
801 rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs);
802 rt2x00_set_field32(&word, TXWI_W0_BW,
803 test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
804 rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
805 test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
806 rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc);
807 rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
808 rt2x00_desc_write(txwi, 0, word);
809
810 word = rt2x00_desc_read(txwi, 1);
811 rt2x00_set_field32(&word, TXWI_W1_ACK,
812 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
813 rt2x00_set_field32(&word, TXWI_W1_NSEQ,
814 test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
815 rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
816 rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
817 test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
818 txdesc->key_idx : txdesc->u.ht.wcid);
819 rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
820 txdesc->length);
821 rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
822 rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
823 rt2x00_desc_write(txwi, 1, word);
824
825 /*
826 * Always write 0 to IV/EIV fields (word 2 and 3), hardware will insert
827 * the IV from the IVEIV register when TXD_W3_WIV is set to 0.
828 * When TXD_W3_WIV is set to 1 it will use the IV data
829 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
830 * crypto entry in the registers should be used to encrypt the frame.
831 *
832 * Nulify all remaining words as well, we don't know how to program them.
833 */
834 for (i = 2; i < entry->queue->winfo_size / sizeof(__le32); i++)
835 _rt2x00_desc_write(txwi, i, 0);
836 }
837 EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
838
rt2800_agc_to_rssi(struct rt2x00_dev * rt2x00dev,u32 rxwi_w2)839 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
840 {
841 s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
842 s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
843 s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
844 u16 eeprom;
845 u8 offset0;
846 u8 offset1;
847 u8 offset2;
848
849 if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) {
850 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG);
851 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
852 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
853 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2);
854 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2);
855 } else {
856 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A);
857 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0);
858 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1);
859 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2);
860 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2);
861 }
862
863 /*
864 * Convert the value from the descriptor into the RSSI value
865 * If the value in the descriptor is 0, it is considered invalid
866 * and the default (extremely low) rssi value is assumed
867 */
868 rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128;
869 rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128;
870 rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128;
871
872 /*
873 * mac80211 only accepts a single RSSI value. Calculating the
874 * average doesn't deliver a fair answer either since -60:-60 would
875 * be considered equally good as -50:-70 while the second is the one
876 * which gives less energy...
877 */
878 rssi0 = max(rssi0, rssi1);
879 return (int)max(rssi0, rssi2);
880 }
881
rt2800_process_rxwi(struct queue_entry * entry,struct rxdone_entry_desc * rxdesc)882 void rt2800_process_rxwi(struct queue_entry *entry,
883 struct rxdone_entry_desc *rxdesc)
884 {
885 __le32 *rxwi = (__le32 *) entry->skb->data;
886 u32 word;
887
888 word = rt2x00_desc_read(rxwi, 0);
889
890 rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF);
891 rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
892
893 word = rt2x00_desc_read(rxwi, 1);
894
895 if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI))
896 rxdesc->enc_flags |= RX_ENC_FLAG_SHORT_GI;
897
898 if (rt2x00_get_field32(word, RXWI_W1_BW))
899 rxdesc->bw = RATE_INFO_BW_40;
900
901 /*
902 * Detect RX rate, always use MCS as signal type.
903 */
904 rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
905 rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS);
906 rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE);
907
908 /*
909 * Mask of 0x8 bit to remove the short preamble flag.
910 */
911 if (rxdesc->rate_mode == RATE_MODE_CCK)
912 rxdesc->signal &= ~0x8;
913
914 word = rt2x00_desc_read(rxwi, 2);
915
916 /*
917 * Convert descriptor AGC value to RSSI value.
918 */
919 rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word);
920 /*
921 * Remove RXWI descriptor from start of the buffer.
922 */
923 skb_pull(entry->skb, entry->queue->winfo_size);
924 }
925 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
926
rt2800_rate_from_status(struct skb_frame_desc * skbdesc,u32 status,enum nl80211_band band)927 static void rt2800_rate_from_status(struct skb_frame_desc *skbdesc,
928 u32 status, enum nl80211_band band)
929 {
930 u8 flags = 0;
931 u8 idx = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
932
933 switch (rt2x00_get_field32(status, TX_STA_FIFO_PHYMODE)) {
934 case RATE_MODE_HT_GREENFIELD:
935 flags |= IEEE80211_TX_RC_GREEN_FIELD;
936 /* fall through */
937 case RATE_MODE_HT_MIX:
938 flags |= IEEE80211_TX_RC_MCS;
939 break;
940 case RATE_MODE_OFDM:
941 if (band == NL80211_BAND_2GHZ)
942 idx += 4;
943 break;
944 case RATE_MODE_CCK:
945 if (idx >= 8)
946 idx -= 8;
947 break;
948 }
949
950 if (rt2x00_get_field32(status, TX_STA_FIFO_BW))
951 flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
952
953 if (rt2x00_get_field32(status, TX_STA_FIFO_SGI))
954 flags |= IEEE80211_TX_RC_SHORT_GI;
955
956 skbdesc->tx_rate_idx = idx;
957 skbdesc->tx_rate_flags = flags;
958 }
959
rt2800_txdone_entry(struct queue_entry * entry,u32 status,__le32 * txwi,bool match)960 void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi,
961 bool match)
962 {
963 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
964 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
965 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
966 struct txdone_entry_desc txdesc;
967 u32 word;
968 u16 mcs, real_mcs;
969 int aggr, ampdu, wcid, ack_req;
970
971 /*
972 * Obtain the status about this packet.
973 */
974 txdesc.flags = 0;
975 word = rt2x00_desc_read(txwi, 0);
976
977 mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
978 ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
979
980 real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
981 aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
982 wcid = rt2x00_get_field32(status, TX_STA_FIFO_WCID);
983 ack_req = rt2x00_get_field32(status, TX_STA_FIFO_TX_ACK_REQUIRED);
984
985 /*
986 * If a frame was meant to be sent as a single non-aggregated MPDU
987 * but ended up in an aggregate the used tx rate doesn't correlate
988 * with the one specified in the TXWI as the whole aggregate is sent
989 * with the same rate.
990 *
991 * For example: two frames are sent to rt2x00, the first one sets
992 * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
993 * and requests MCS15. If the hw aggregates both frames into one
994 * AMDPU the tx status for both frames will contain MCS7 although
995 * the frame was sent successfully.
996 *
997 * Hence, replace the requested rate with the real tx rate to not
998 * confuse the rate control algortihm by providing clearly wrong
999 * data.
1000 *
1001 * FIXME: if we do not find matching entry, we tell that frame was
1002 * posted without any retries. We need to find a way to fix that
1003 * and provide retry count.
1004 */
1005 if (unlikely((aggr == 1 && ampdu == 0 && real_mcs != mcs)) || !match) {
1006 rt2800_rate_from_status(skbdesc, status, rt2x00dev->curr_band);
1007 mcs = real_mcs;
1008 }
1009
1010 if (aggr == 1 || ampdu == 1)
1011 __set_bit(TXDONE_AMPDU, &txdesc.flags);
1012
1013 if (!ack_req)
1014 __set_bit(TXDONE_NO_ACK_REQ, &txdesc.flags);
1015
1016 /*
1017 * Ralink has a retry mechanism using a global fallback
1018 * table. We setup this fallback table to try the immediate
1019 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
1020 * always contains the MCS used for the last transmission, be
1021 * it successful or not.
1022 */
1023 if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
1024 /*
1025 * Transmission succeeded. The number of retries is
1026 * mcs - real_mcs
1027 */
1028 __set_bit(TXDONE_SUCCESS, &txdesc.flags);
1029 txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
1030 } else {
1031 /*
1032 * Transmission failed. The number of retries is
1033 * always 7 in this case (for a total number of 8
1034 * frames sent).
1035 */
1036 __set_bit(TXDONE_FAILURE, &txdesc.flags);
1037 txdesc.retry = rt2x00dev->long_retry;
1038 }
1039
1040 /*
1041 * the frame was retried at least once
1042 * -> hw used fallback rates
1043 */
1044 if (txdesc.retry)
1045 __set_bit(TXDONE_FALLBACK, &txdesc.flags);
1046
1047 if (!match) {
1048 /* RCU assures non-null sta will not be freed by mac80211. */
1049 rcu_read_lock();
1050 if (likely(wcid >= WCID_START && wcid <= WCID_END))
1051 skbdesc->sta = drv_data->wcid_to_sta[wcid - WCID_START];
1052 else
1053 skbdesc->sta = NULL;
1054 rt2x00lib_txdone_nomatch(entry, &txdesc);
1055 rcu_read_unlock();
1056 } else {
1057 rt2x00lib_txdone(entry, &txdesc);
1058 }
1059 }
1060 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
1061
rt2800_hw_beacon_base(struct rt2x00_dev * rt2x00dev,unsigned int index)1062 static unsigned int rt2800_hw_beacon_base(struct rt2x00_dev *rt2x00dev,
1063 unsigned int index)
1064 {
1065 return HW_BEACON_BASE(index);
1066 }
1067
rt2800_get_beacon_offset(struct rt2x00_dev * rt2x00dev,unsigned int index)1068 static inline u8 rt2800_get_beacon_offset(struct rt2x00_dev *rt2x00dev,
1069 unsigned int index)
1070 {
1071 return BEACON_BASE_TO_OFFSET(rt2800_hw_beacon_base(rt2x00dev, index));
1072 }
1073
rt2800_update_beacons_setup(struct rt2x00_dev * rt2x00dev)1074 static void rt2800_update_beacons_setup(struct rt2x00_dev *rt2x00dev)
1075 {
1076 struct data_queue *queue = rt2x00dev->bcn;
1077 struct queue_entry *entry;
1078 int i, bcn_num = 0;
1079 u64 off, reg = 0;
1080 u32 bssid_dw1;
1081
1082 /*
1083 * Setup offsets of all active beacons in BCN_OFFSET{0,1} registers.
1084 */
1085 for (i = 0; i < queue->limit; i++) {
1086 entry = &queue->entries[i];
1087 if (!test_bit(ENTRY_BCN_ENABLED, &entry->flags))
1088 continue;
1089 off = rt2800_get_beacon_offset(rt2x00dev, entry->entry_idx);
1090 reg |= off << (8 * bcn_num);
1091 bcn_num++;
1092 }
1093
1094 rt2800_register_write(rt2x00dev, BCN_OFFSET0, (u32) reg);
1095 rt2800_register_write(rt2x00dev, BCN_OFFSET1, (u32) (reg >> 32));
1096
1097 /*
1098 * H/W sends up to MAC_BSSID_DW1_BSS_BCN_NUM + 1 consecutive beacons.
1099 */
1100 bssid_dw1 = rt2800_register_read(rt2x00dev, MAC_BSSID_DW1);
1101 rt2x00_set_field32(&bssid_dw1, MAC_BSSID_DW1_BSS_BCN_NUM,
1102 bcn_num > 0 ? bcn_num - 1 : 0);
1103 rt2800_register_write(rt2x00dev, MAC_BSSID_DW1, bssid_dw1);
1104 }
1105
rt2800_write_beacon(struct queue_entry * entry,struct txentry_desc * txdesc)1106 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
1107 {
1108 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1109 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1110 unsigned int beacon_base;
1111 unsigned int padding_len;
1112 u32 orig_reg, reg;
1113 const int txwi_desc_size = entry->queue->winfo_size;
1114
1115 /*
1116 * Disable beaconing while we are reloading the beacon data,
1117 * otherwise we might be sending out invalid data.
1118 */
1119 reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG);
1120 orig_reg = reg;
1121 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0);
1122 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1123
1124 /*
1125 * Add space for the TXWI in front of the skb.
1126 */
1127 memset(skb_push(entry->skb, txwi_desc_size), 0, txwi_desc_size);
1128
1129 /*
1130 * Register descriptor details in skb frame descriptor.
1131 */
1132 skbdesc->flags |= SKBDESC_DESC_IN_SKB;
1133 skbdesc->desc = entry->skb->data;
1134 skbdesc->desc_len = txwi_desc_size;
1135
1136 /*
1137 * Add the TXWI for the beacon to the skb.
1138 */
1139 rt2800_write_tx_data(entry, txdesc);
1140
1141 /*
1142 * Dump beacon to userspace through debugfs.
1143 */
1144 rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry);
1145
1146 /*
1147 * Write entire beacon with TXWI and padding to register.
1148 */
1149 padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
1150 if (padding_len && skb_pad(entry->skb, padding_len)) {
1151 rt2x00_err(rt2x00dev, "Failure padding beacon, aborting\n");
1152 /* skb freed by skb_pad() on failure */
1153 entry->skb = NULL;
1154 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1155 return;
1156 }
1157
1158 beacon_base = rt2800_hw_beacon_base(rt2x00dev, entry->entry_idx);
1159
1160 rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
1161 entry->skb->len + padding_len);
1162 __set_bit(ENTRY_BCN_ENABLED, &entry->flags);
1163
1164 /*
1165 * Change global beacons settings.
1166 */
1167 rt2800_update_beacons_setup(rt2x00dev);
1168
1169 /*
1170 * Restore beaconing state.
1171 */
1172 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1173
1174 /*
1175 * Clean up beacon skb.
1176 */
1177 dev_kfree_skb_any(entry->skb);
1178 entry->skb = NULL;
1179 }
1180 EXPORT_SYMBOL_GPL(rt2800_write_beacon);
1181
rt2800_clear_beacon_register(struct rt2x00_dev * rt2x00dev,unsigned int index)1182 static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
1183 unsigned int index)
1184 {
1185 int i;
1186 const int txwi_desc_size = rt2x00dev->bcn->winfo_size;
1187 unsigned int beacon_base;
1188
1189 beacon_base = rt2800_hw_beacon_base(rt2x00dev, index);
1190
1191 /*
1192 * For the Beacon base registers we only need to clear
1193 * the whole TXWI which (when set to 0) will invalidate
1194 * the entire beacon.
1195 */
1196 for (i = 0; i < txwi_desc_size; i += sizeof(__le32))
1197 rt2800_register_write(rt2x00dev, beacon_base + i, 0);
1198 }
1199
rt2800_clear_beacon(struct queue_entry * entry)1200 void rt2800_clear_beacon(struct queue_entry *entry)
1201 {
1202 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1203 u32 orig_reg, reg;
1204
1205 /*
1206 * Disable beaconing while we are reloading the beacon data,
1207 * otherwise we might be sending out invalid data.
1208 */
1209 orig_reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG);
1210 reg = orig_reg;
1211 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0);
1212 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1213
1214 /*
1215 * Clear beacon.
1216 */
1217 rt2800_clear_beacon_register(rt2x00dev, entry->entry_idx);
1218 __clear_bit(ENTRY_BCN_ENABLED, &entry->flags);
1219
1220 /*
1221 * Change global beacons settings.
1222 */
1223 rt2800_update_beacons_setup(rt2x00dev);
1224 /*
1225 * Restore beaconing state.
1226 */
1227 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1228 }
1229 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
1230
1231 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1232 const struct rt2x00debug rt2800_rt2x00debug = {
1233 .owner = THIS_MODULE,
1234 .csr = {
1235 .read = rt2800_register_read,
1236 .write = rt2800_register_write,
1237 .flags = RT2X00DEBUGFS_OFFSET,
1238 .word_base = CSR_REG_BASE,
1239 .word_size = sizeof(u32),
1240 .word_count = CSR_REG_SIZE / sizeof(u32),
1241 },
1242 .eeprom = {
1243 /* NOTE: The local EEPROM access functions can't
1244 * be used here, use the generic versions instead.
1245 */
1246 .read = rt2x00_eeprom_read,
1247 .write = rt2x00_eeprom_write,
1248 .word_base = EEPROM_BASE,
1249 .word_size = sizeof(u16),
1250 .word_count = EEPROM_SIZE / sizeof(u16),
1251 },
1252 .bbp = {
1253 .read = rt2800_bbp_read,
1254 .write = rt2800_bbp_write,
1255 .word_base = BBP_BASE,
1256 .word_size = sizeof(u8),
1257 .word_count = BBP_SIZE / sizeof(u8),
1258 },
1259 .rf = {
1260 .read = rt2x00_rf_read,
1261 .write = rt2800_rf_write,
1262 .word_base = RF_BASE,
1263 .word_size = sizeof(u32),
1264 .word_count = RF_SIZE / sizeof(u32),
1265 },
1266 .rfcsr = {
1267 .read = rt2800_rfcsr_read,
1268 .write = rt2800_rfcsr_write,
1269 .word_base = RFCSR_BASE,
1270 .word_size = sizeof(u8),
1271 .word_count = RFCSR_SIZE / sizeof(u8),
1272 },
1273 };
1274 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
1275 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1276
rt2800_rfkill_poll(struct rt2x00_dev * rt2x00dev)1277 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
1278 {
1279 u32 reg;
1280
1281 if (rt2x00_rt(rt2x00dev, RT3290)) {
1282 reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL);
1283 return rt2x00_get_field32(reg, WLAN_GPIO_IN_BIT0);
1284 } else {
1285 reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
1286 return rt2x00_get_field32(reg, GPIO_CTRL_VAL2);
1287 }
1288 }
1289 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
1290
1291 #ifdef CONFIG_RT2X00_LIB_LEDS
rt2800_brightness_set(struct led_classdev * led_cdev,enum led_brightness brightness)1292 static void rt2800_brightness_set(struct led_classdev *led_cdev,
1293 enum led_brightness brightness)
1294 {
1295 struct rt2x00_led *led =
1296 container_of(led_cdev, struct rt2x00_led, led_dev);
1297 unsigned int enabled = brightness != LED_OFF;
1298 unsigned int bg_mode =
1299 (enabled && led->rt2x00dev->curr_band == NL80211_BAND_2GHZ);
1300 unsigned int polarity =
1301 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
1302 EEPROM_FREQ_LED_POLARITY);
1303 unsigned int ledmode =
1304 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
1305 EEPROM_FREQ_LED_MODE);
1306 u32 reg;
1307
1308 /* Check for SoC (SOC devices don't support MCU requests) */
1309 if (rt2x00_is_soc(led->rt2x00dev)) {
1310 reg = rt2800_register_read(led->rt2x00dev, LED_CFG);
1311
1312 /* Set LED Polarity */
1313 rt2x00_set_field32(®, LED_CFG_LED_POLAR, polarity);
1314
1315 /* Set LED Mode */
1316 if (led->type == LED_TYPE_RADIO) {
1317 rt2x00_set_field32(®, LED_CFG_G_LED_MODE,
1318 enabled ? 3 : 0);
1319 } else if (led->type == LED_TYPE_ASSOC) {
1320 rt2x00_set_field32(®, LED_CFG_Y_LED_MODE,
1321 enabled ? 3 : 0);
1322 } else if (led->type == LED_TYPE_QUALITY) {
1323 rt2x00_set_field32(®, LED_CFG_R_LED_MODE,
1324 enabled ? 3 : 0);
1325 }
1326
1327 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
1328
1329 } else {
1330 if (led->type == LED_TYPE_RADIO) {
1331 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
1332 enabled ? 0x20 : 0);
1333 } else if (led->type == LED_TYPE_ASSOC) {
1334 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
1335 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
1336 } else if (led->type == LED_TYPE_QUALITY) {
1337 /*
1338 * The brightness is divided into 6 levels (0 - 5),
1339 * The specs tell us the following levels:
1340 * 0, 1 ,3, 7, 15, 31
1341 * to determine the level in a simple way we can simply
1342 * work with bitshifting:
1343 * (1 << level) - 1
1344 */
1345 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
1346 (1 << brightness / (LED_FULL / 6)) - 1,
1347 polarity);
1348 }
1349 }
1350 }
1351
rt2800_init_led(struct rt2x00_dev * rt2x00dev,struct rt2x00_led * led,enum led_type type)1352 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
1353 struct rt2x00_led *led, enum led_type type)
1354 {
1355 led->rt2x00dev = rt2x00dev;
1356 led->type = type;
1357 led->led_dev.brightness_set = rt2800_brightness_set;
1358 led->flags = LED_INITIALIZED;
1359 }
1360 #endif /* CONFIG_RT2X00_LIB_LEDS */
1361
1362 /*
1363 * Configuration handlers.
1364 */
rt2800_config_wcid(struct rt2x00_dev * rt2x00dev,const u8 * address,int wcid)1365 static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
1366 const u8 *address,
1367 int wcid)
1368 {
1369 struct mac_wcid_entry wcid_entry;
1370 u32 offset;
1371
1372 offset = MAC_WCID_ENTRY(wcid);
1373
1374 memset(&wcid_entry, 0xff, sizeof(wcid_entry));
1375 if (address)
1376 memcpy(wcid_entry.mac, address, ETH_ALEN);
1377
1378 rt2800_register_multiwrite(rt2x00dev, offset,
1379 &wcid_entry, sizeof(wcid_entry));
1380 }
1381
rt2800_delete_wcid_attr(struct rt2x00_dev * rt2x00dev,int wcid)1382 static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
1383 {
1384 u32 offset;
1385 offset = MAC_WCID_ATTR_ENTRY(wcid);
1386 rt2800_register_write(rt2x00dev, offset, 0);
1387 }
1388
rt2800_config_wcid_attr_bssidx(struct rt2x00_dev * rt2x00dev,int wcid,u32 bssidx)1389 static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
1390 int wcid, u32 bssidx)
1391 {
1392 u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
1393 u32 reg;
1394
1395 /*
1396 * The BSS Idx numbers is split in a main value of 3 bits,
1397 * and a extended field for adding one additional bit to the value.
1398 */
1399 reg = rt2800_register_read(rt2x00dev, offset);
1400 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
1401 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
1402 (bssidx & 0x8) >> 3);
1403 rt2800_register_write(rt2x00dev, offset, reg);
1404 }
1405
rt2800_config_wcid_attr_cipher(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_crypto * crypto,struct ieee80211_key_conf * key)1406 static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
1407 struct rt2x00lib_crypto *crypto,
1408 struct ieee80211_key_conf *key)
1409 {
1410 struct mac_iveiv_entry iveiv_entry;
1411 u32 offset;
1412 u32 reg;
1413
1414 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
1415
1416 if (crypto->cmd == SET_KEY) {
1417 reg = rt2800_register_read(rt2x00dev, offset);
1418 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB,
1419 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
1420 /*
1421 * Both the cipher as the BSS Idx numbers are split in a main
1422 * value of 3 bits, and a extended field for adding one additional
1423 * bit to the value.
1424 */
1425 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER,
1426 (crypto->cipher & 0x7));
1427 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
1428 (crypto->cipher & 0x8) >> 3);
1429 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
1430 rt2800_register_write(rt2x00dev, offset, reg);
1431 } else {
1432 /* Delete the cipher without touching the bssidx */
1433 reg = rt2800_register_read(rt2x00dev, offset);
1434 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
1435 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, 0);
1436 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
1437 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
1438 rt2800_register_write(rt2x00dev, offset, reg);
1439 }
1440
1441 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
1442
1443 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
1444 if ((crypto->cipher == CIPHER_TKIP) ||
1445 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
1446 (crypto->cipher == CIPHER_AES))
1447 iveiv_entry.iv[3] |= 0x20;
1448 iveiv_entry.iv[3] |= key->keyidx << 6;
1449 rt2800_register_multiwrite(rt2x00dev, offset,
1450 &iveiv_entry, sizeof(iveiv_entry));
1451 }
1452
rt2800_config_shared_key(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_crypto * crypto,struct ieee80211_key_conf * key)1453 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
1454 struct rt2x00lib_crypto *crypto,
1455 struct ieee80211_key_conf *key)
1456 {
1457 struct hw_key_entry key_entry;
1458 struct rt2x00_field32 field;
1459 u32 offset;
1460 u32 reg;
1461
1462 if (crypto->cmd == SET_KEY) {
1463 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
1464
1465 memcpy(key_entry.key, crypto->key,
1466 sizeof(key_entry.key));
1467 memcpy(key_entry.tx_mic, crypto->tx_mic,
1468 sizeof(key_entry.tx_mic));
1469 memcpy(key_entry.rx_mic, crypto->rx_mic,
1470 sizeof(key_entry.rx_mic));
1471
1472 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1473 rt2800_register_multiwrite(rt2x00dev, offset,
1474 &key_entry, sizeof(key_entry));
1475 }
1476
1477 /*
1478 * The cipher types are stored over multiple registers
1479 * starting with SHARED_KEY_MODE_BASE each word will have
1480 * 32 bits and contains the cipher types for 2 bssidx each.
1481 * Using the correct defines correctly will cause overhead,
1482 * so just calculate the correct offset.
1483 */
1484 field.bit_offset = 4 * (key->hw_key_idx % 8);
1485 field.bit_mask = 0x7 << field.bit_offset;
1486
1487 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1488
1489 reg = rt2800_register_read(rt2x00dev, offset);
1490 rt2x00_set_field32(®, field,
1491 (crypto->cmd == SET_KEY) * crypto->cipher);
1492 rt2800_register_write(rt2x00dev, offset, reg);
1493
1494 /*
1495 * Update WCID information
1496 */
1497 rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
1498 rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
1499 crypto->bssidx);
1500 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1501
1502 return 0;
1503 }
1504 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1505
rt2800_config_pairwise_key(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_crypto * crypto,struct ieee80211_key_conf * key)1506 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1507 struct rt2x00lib_crypto *crypto,
1508 struct ieee80211_key_conf *key)
1509 {
1510 struct hw_key_entry key_entry;
1511 u32 offset;
1512
1513 if (crypto->cmd == SET_KEY) {
1514 /*
1515 * Allow key configuration only for STAs that are
1516 * known by the hw.
1517 */
1518 if (crypto->wcid > WCID_END)
1519 return -ENOSPC;
1520 key->hw_key_idx = crypto->wcid;
1521
1522 memcpy(key_entry.key, crypto->key,
1523 sizeof(key_entry.key));
1524 memcpy(key_entry.tx_mic, crypto->tx_mic,
1525 sizeof(key_entry.tx_mic));
1526 memcpy(key_entry.rx_mic, crypto->rx_mic,
1527 sizeof(key_entry.rx_mic));
1528
1529 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1530 rt2800_register_multiwrite(rt2x00dev, offset,
1531 &key_entry, sizeof(key_entry));
1532 }
1533
1534 /*
1535 * Update WCID information
1536 */
1537 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1538
1539 return 0;
1540 }
1541 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1542
rt2800_set_max_psdu_len(struct rt2x00_dev * rt2x00dev)1543 static void rt2800_set_max_psdu_len(struct rt2x00_dev *rt2x00dev)
1544 {
1545 u8 i, max_psdu;
1546 u32 reg;
1547 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1548
1549 for (i = 0; i < 3; i++)
1550 if (drv_data->ampdu_factor_cnt[i] > 0)
1551 break;
1552
1553 max_psdu = min(drv_data->max_psdu, i);
1554
1555 reg = rt2800_register_read(rt2x00dev, MAX_LEN_CFG);
1556 rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, max_psdu);
1557 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
1558 }
1559
rt2800_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1560 int rt2800_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1561 struct ieee80211_sta *sta)
1562 {
1563 struct rt2x00_dev *rt2x00dev = hw->priv;
1564 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1565 struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1566 int wcid;
1567
1568 /*
1569 * Limit global maximum TX AMPDU length to smallest value of all
1570 * connected stations. In AP mode this can be suboptimal, but we
1571 * do not have a choice if some connected STA is not capable to
1572 * receive the same amount of data like the others.
1573 */
1574 if (sta->ht_cap.ht_supported) {
1575 drv_data->ampdu_factor_cnt[sta->ht_cap.ampdu_factor & 3]++;
1576 rt2800_set_max_psdu_len(rt2x00dev);
1577 }
1578
1579 /*
1580 * Search for the first free WCID entry and return the corresponding
1581 * index.
1582 */
1583 wcid = find_first_zero_bit(drv_data->sta_ids, STA_IDS_SIZE) + WCID_START;
1584
1585 /*
1586 * Store selected wcid even if it is invalid so that we can
1587 * later decide if the STA is uploaded into the hw.
1588 */
1589 sta_priv->wcid = wcid;
1590
1591 /*
1592 * No space left in the device, however, we can still communicate
1593 * with the STA -> No error.
1594 */
1595 if (wcid > WCID_END)
1596 return 0;
1597
1598 __set_bit(wcid - WCID_START, drv_data->sta_ids);
1599 drv_data->wcid_to_sta[wcid - WCID_START] = sta;
1600
1601 /*
1602 * Clean up WCID attributes and write STA address to the device.
1603 */
1604 rt2800_delete_wcid_attr(rt2x00dev, wcid);
1605 rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
1606 rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
1607 rt2x00lib_get_bssidx(rt2x00dev, vif));
1608 return 0;
1609 }
1610 EXPORT_SYMBOL_GPL(rt2800_sta_add);
1611
rt2800_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1612 int rt2800_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1613 struct ieee80211_sta *sta)
1614 {
1615 struct rt2x00_dev *rt2x00dev = hw->priv;
1616 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1617 struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1618 int wcid = sta_priv->wcid;
1619
1620 if (sta->ht_cap.ht_supported) {
1621 drv_data->ampdu_factor_cnt[sta->ht_cap.ampdu_factor & 3]--;
1622 rt2800_set_max_psdu_len(rt2x00dev);
1623 }
1624
1625 if (wcid > WCID_END)
1626 return 0;
1627 /*
1628 * Remove WCID entry, no need to clean the attributes as they will
1629 * get renewed when the WCID is reused.
1630 */
1631 rt2800_config_wcid(rt2x00dev, NULL, wcid);
1632 drv_data->wcid_to_sta[wcid - WCID_START] = NULL;
1633 __clear_bit(wcid - WCID_START, drv_data->sta_ids);
1634
1635 return 0;
1636 }
1637 EXPORT_SYMBOL_GPL(rt2800_sta_remove);
1638
rt2800_config_filter(struct rt2x00_dev * rt2x00dev,const unsigned int filter_flags)1639 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1640 const unsigned int filter_flags)
1641 {
1642 u32 reg;
1643
1644 /*
1645 * Start configuration steps.
1646 * Note that the version error will always be dropped
1647 * and broadcast frames will always be accepted since
1648 * there is no filter for it at this time.
1649 */
1650 reg = rt2800_register_read(rt2x00dev, RX_FILTER_CFG);
1651 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CRC_ERROR,
1652 !(filter_flags & FIF_FCSFAIL));
1653 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PHY_ERROR,
1654 !(filter_flags & FIF_PLCPFAIL));
1655 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_TO_ME,
1656 !test_bit(CONFIG_MONITORING, &rt2x00dev->flags));
1657 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1658 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1659 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_MULTICAST,
1660 !(filter_flags & FIF_ALLMULTI));
1661 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BROADCAST, 0);
1662 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1663 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END_ACK,
1664 !(filter_flags & FIF_CONTROL));
1665 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END,
1666 !(filter_flags & FIF_CONTROL));
1667 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_ACK,
1668 !(filter_flags & FIF_CONTROL));
1669 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CTS,
1670 !(filter_flags & FIF_CONTROL));
1671 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_RTS,
1672 !(filter_flags & FIF_CONTROL));
1673 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PSPOLL,
1674 !(filter_flags & FIF_PSPOLL));
1675 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BA, 0);
1676 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BAR,
1677 !(filter_flags & FIF_CONTROL));
1678 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CNTL,
1679 !(filter_flags & FIF_CONTROL));
1680 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1681 }
1682 EXPORT_SYMBOL_GPL(rt2800_config_filter);
1683
rt2800_config_intf(struct rt2x00_dev * rt2x00dev,struct rt2x00_intf * intf,struct rt2x00intf_conf * conf,const unsigned int flags)1684 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1685 struct rt2x00intf_conf *conf, const unsigned int flags)
1686 {
1687 u32 reg;
1688 bool update_bssid = false;
1689
1690 if (flags & CONFIG_UPDATE_TYPE) {
1691 /*
1692 * Enable synchronisation.
1693 */
1694 reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG);
1695 rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1696 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1697
1698 if (conf->sync == TSF_SYNC_AP_NONE) {
1699 /*
1700 * Tune beacon queue transmit parameters for AP mode
1701 */
1702 reg = rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG);
1703 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1704 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1705 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1706 rt2x00_set_field32(®, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1707 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1708 } else {
1709 reg = rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG);
1710 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1711 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1712 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1713 rt2x00_set_field32(®, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1714 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1715 }
1716 }
1717
1718 if (flags & CONFIG_UPDATE_MAC) {
1719 if (flags & CONFIG_UPDATE_TYPE &&
1720 conf->sync == TSF_SYNC_AP_NONE) {
1721 /*
1722 * The BSSID register has to be set to our own mac
1723 * address in AP mode.
1724 */
1725 memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1726 update_bssid = true;
1727 }
1728
1729 if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1730 reg = le32_to_cpu(conf->mac[1]);
1731 rt2x00_set_field32(®, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1732 conf->mac[1] = cpu_to_le32(reg);
1733 }
1734
1735 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1736 conf->mac, sizeof(conf->mac));
1737 }
1738
1739 if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1740 if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1741 reg = le32_to_cpu(conf->bssid[1]);
1742 rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1743 rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
1744 conf->bssid[1] = cpu_to_le32(reg);
1745 }
1746
1747 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1748 conf->bssid, sizeof(conf->bssid));
1749 }
1750 }
1751 EXPORT_SYMBOL_GPL(rt2800_config_intf);
1752
rt2800_config_ht_opmode(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_erp * erp)1753 static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1754 struct rt2x00lib_erp *erp)
1755 {
1756 bool any_sta_nongf = !!(erp->ht_opmode &
1757 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1758 u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1759 u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1760 u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1761 u32 reg;
1762
1763 /* default protection rate for HT20: OFDM 24M */
1764 mm20_rate = gf20_rate = 0x4004;
1765
1766 /* default protection rate for HT40: duplicate OFDM 24M */
1767 mm40_rate = gf40_rate = 0x4084;
1768
1769 switch (protection) {
1770 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1771 /*
1772 * All STAs in this BSS are HT20/40 but there might be
1773 * STAs not supporting greenfield mode.
1774 * => Disable protection for HT transmissions.
1775 */
1776 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1777
1778 break;
1779 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1780 /*
1781 * All STAs in this BSS are HT20 or HT20/40 but there
1782 * might be STAs not supporting greenfield mode.
1783 * => Protect all HT40 transmissions.
1784 */
1785 mm20_mode = gf20_mode = 0;
1786 mm40_mode = gf40_mode = 1;
1787
1788 break;
1789 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1790 /*
1791 * Nonmember protection:
1792 * According to 802.11n we _should_ protect all
1793 * HT transmissions (but we don't have to).
1794 *
1795 * But if cts_protection is enabled we _shall_ protect
1796 * all HT transmissions using a CCK rate.
1797 *
1798 * And if any station is non GF we _shall_ protect
1799 * GF transmissions.
1800 *
1801 * We decide to protect everything
1802 * -> fall through to mixed mode.
1803 */
1804 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1805 /*
1806 * Legacy STAs are present
1807 * => Protect all HT transmissions.
1808 */
1809 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 1;
1810
1811 /*
1812 * If erp protection is needed we have to protect HT
1813 * transmissions with CCK 11M long preamble.
1814 */
1815 if (erp->cts_protection) {
1816 /* don't duplicate RTS/CTS in CCK mode */
1817 mm20_rate = mm40_rate = 0x0003;
1818 gf20_rate = gf40_rate = 0x0003;
1819 }
1820 break;
1821 }
1822
1823 /* check for STAs not supporting greenfield mode */
1824 if (any_sta_nongf)
1825 gf20_mode = gf40_mode = 1;
1826
1827 /* Update HT protection config */
1828 reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG);
1829 rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1830 rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1831 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1832
1833 reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG);
1834 rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1835 rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1836 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1837
1838 reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG);
1839 rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1840 rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1841 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1842
1843 reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG);
1844 rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1845 rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1846 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1847 }
1848
rt2800_config_erp(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_erp * erp,u32 changed)1849 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1850 u32 changed)
1851 {
1852 u32 reg;
1853
1854 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1855 reg = rt2800_register_read(rt2x00dev, AUTO_RSP_CFG);
1856 rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE,
1857 !!erp->short_preamble);
1858 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1859 }
1860
1861 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1862 reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG);
1863 rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL,
1864 erp->cts_protection ? 2 : 0);
1865 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1866 }
1867
1868 if (changed & BSS_CHANGED_BASIC_RATES) {
1869 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1870 0xff0 | erp->basic_rates);
1871 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1872 }
1873
1874 if (changed & BSS_CHANGED_ERP_SLOT) {
1875 reg = rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG);
1876 rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME,
1877 erp->slot_time);
1878 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1879
1880 reg = rt2800_register_read(rt2x00dev, XIFS_TIME_CFG);
1881 rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, erp->eifs);
1882 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1883 }
1884
1885 if (changed & BSS_CHANGED_BEACON_INT) {
1886 reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG);
1887 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL,
1888 erp->beacon_int * 16);
1889 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1890 }
1891
1892 if (changed & BSS_CHANGED_HT)
1893 rt2800_config_ht_opmode(rt2x00dev, erp);
1894 }
1895 EXPORT_SYMBOL_GPL(rt2800_config_erp);
1896
rt2800_config_3572bt_ant(struct rt2x00_dev * rt2x00dev)1897 static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1898 {
1899 u32 reg;
1900 u16 eeprom;
1901 u8 led_ctrl, led_g_mode, led_r_mode;
1902
1903 reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
1904 if (rt2x00dev->curr_band == NL80211_BAND_5GHZ) {
1905 rt2x00_set_field32(®, GPIO_SWITCH_0, 1);
1906 rt2x00_set_field32(®, GPIO_SWITCH_1, 1);
1907 } else {
1908 rt2x00_set_field32(®, GPIO_SWITCH_0, 0);
1909 rt2x00_set_field32(®, GPIO_SWITCH_1, 0);
1910 }
1911 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1912
1913 reg = rt2800_register_read(rt2x00dev, LED_CFG);
1914 led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1915 led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1916 if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1917 led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1918 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ);
1919 led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1920 if (led_ctrl == 0 || led_ctrl > 0x40) {
1921 rt2x00_set_field32(®, LED_CFG_G_LED_MODE, led_g_mode);
1922 rt2x00_set_field32(®, LED_CFG_R_LED_MODE, led_r_mode);
1923 rt2800_register_write(rt2x00dev, LED_CFG, reg);
1924 } else {
1925 rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1926 (led_g_mode << 2) | led_r_mode, 1);
1927 }
1928 }
1929 }
1930
rt2800_set_ant_diversity(struct rt2x00_dev * rt2x00dev,enum antenna ant)1931 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1932 enum antenna ant)
1933 {
1934 u32 reg;
1935 u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1936 u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1937
1938 if (rt2x00_is_pci(rt2x00dev)) {
1939 reg = rt2800_register_read(rt2x00dev, E2PROM_CSR);
1940 rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1941 rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1942 } else if (rt2x00_is_usb(rt2x00dev))
1943 rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1944 eesk_pin, 0);
1945
1946 reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
1947 rt2x00_set_field32(®, GPIO_CTRL_DIR3, 0);
1948 rt2x00_set_field32(®, GPIO_CTRL_VAL3, gpio_bit3);
1949 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
1950 }
1951
rt2800_config_ant(struct rt2x00_dev * rt2x00dev,struct antenna_setup * ant)1952 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1953 {
1954 u8 r1;
1955 u8 r3;
1956 u16 eeprom;
1957
1958 r1 = rt2800_bbp_read(rt2x00dev, 1);
1959 r3 = rt2800_bbp_read(rt2x00dev, 3);
1960
1961 if (rt2x00_rt(rt2x00dev, RT3572) &&
1962 rt2x00_has_cap_bt_coexist(rt2x00dev))
1963 rt2800_config_3572bt_ant(rt2x00dev);
1964
1965 /*
1966 * Configure the TX antenna.
1967 */
1968 switch (ant->tx_chain_num) {
1969 case 1:
1970 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1971 break;
1972 case 2:
1973 if (rt2x00_rt(rt2x00dev, RT3572) &&
1974 rt2x00_has_cap_bt_coexist(rt2x00dev))
1975 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1976 else
1977 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1978 break;
1979 case 3:
1980 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1981 break;
1982 }
1983
1984 /*
1985 * Configure the RX antenna.
1986 */
1987 switch (ant->rx_chain_num) {
1988 case 1:
1989 if (rt2x00_rt(rt2x00dev, RT3070) ||
1990 rt2x00_rt(rt2x00dev, RT3090) ||
1991 rt2x00_rt(rt2x00dev, RT3352) ||
1992 rt2x00_rt(rt2x00dev, RT3390)) {
1993 eeprom = rt2800_eeprom_read(rt2x00dev,
1994 EEPROM_NIC_CONF1);
1995 if (rt2x00_get_field16(eeprom,
1996 EEPROM_NIC_CONF1_ANT_DIVERSITY))
1997 rt2800_set_ant_diversity(rt2x00dev,
1998 rt2x00dev->default_ant.rx);
1999 }
2000 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
2001 break;
2002 case 2:
2003 if (rt2x00_rt(rt2x00dev, RT3572) &&
2004 rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2005 rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
2006 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
2007 rt2x00dev->curr_band == NL80211_BAND_5GHZ);
2008 rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
2009 } else {
2010 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
2011 }
2012 break;
2013 case 3:
2014 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
2015 break;
2016 }
2017
2018 rt2800_bbp_write(rt2x00dev, 3, r3);
2019 rt2800_bbp_write(rt2x00dev, 1, r1);
2020
2021 if (rt2x00_rt(rt2x00dev, RT3593)) {
2022 if (ant->rx_chain_num == 1)
2023 rt2800_bbp_write(rt2x00dev, 86, 0x00);
2024 else
2025 rt2800_bbp_write(rt2x00dev, 86, 0x46);
2026 }
2027 }
2028 EXPORT_SYMBOL_GPL(rt2800_config_ant);
2029
rt2800_config_lna_gain(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf)2030 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
2031 struct rt2x00lib_conf *libconf)
2032 {
2033 u16 eeprom;
2034 short lna_gain;
2035
2036 if (libconf->rf.channel <= 14) {
2037 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA);
2038 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
2039 } else if (libconf->rf.channel <= 64) {
2040 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA);
2041 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
2042 } else if (libconf->rf.channel <= 128) {
2043 if (rt2x00_rt(rt2x00dev, RT3593)) {
2044 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
2045 lna_gain = rt2x00_get_field16(eeprom,
2046 EEPROM_EXT_LNA2_A1);
2047 } else {
2048 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2);
2049 lna_gain = rt2x00_get_field16(eeprom,
2050 EEPROM_RSSI_BG2_LNA_A1);
2051 }
2052 } else {
2053 if (rt2x00_rt(rt2x00dev, RT3593)) {
2054 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
2055 lna_gain = rt2x00_get_field16(eeprom,
2056 EEPROM_EXT_LNA2_A2);
2057 } else {
2058 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2);
2059 lna_gain = rt2x00_get_field16(eeprom,
2060 EEPROM_RSSI_A2_LNA_A2);
2061 }
2062 }
2063
2064 rt2x00dev->lna_gain = lna_gain;
2065 }
2066
rt2800_clk_is_20mhz(struct rt2x00_dev * rt2x00dev)2067 static inline bool rt2800_clk_is_20mhz(struct rt2x00_dev *rt2x00dev)
2068 {
2069 return clk_get_rate(rt2x00dev->clk) == 20000000;
2070 }
2071
2072 #define FREQ_OFFSET_BOUND 0x5f
2073
rt2800_freq_cal_mode1(struct rt2x00_dev * rt2x00dev)2074 static void rt2800_freq_cal_mode1(struct rt2x00_dev *rt2x00dev)
2075 {
2076 u8 freq_offset, prev_freq_offset;
2077 u8 rfcsr, prev_rfcsr;
2078
2079 freq_offset = rt2x00_get_field8(rt2x00dev->freq_offset, RFCSR17_CODE);
2080 freq_offset = min_t(u8, freq_offset, FREQ_OFFSET_BOUND);
2081
2082 rfcsr = rt2800_rfcsr_read(rt2x00dev, 17);
2083 prev_rfcsr = rfcsr;
2084
2085 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, freq_offset);
2086 if (rfcsr == prev_rfcsr)
2087 return;
2088
2089 if (rt2x00_is_usb(rt2x00dev)) {
2090 rt2800_mcu_request(rt2x00dev, MCU_FREQ_OFFSET, 0xff,
2091 freq_offset, prev_rfcsr);
2092 return;
2093 }
2094
2095 prev_freq_offset = rt2x00_get_field8(prev_rfcsr, RFCSR17_CODE);
2096 while (prev_freq_offset != freq_offset) {
2097 if (prev_freq_offset < freq_offset)
2098 prev_freq_offset++;
2099 else
2100 prev_freq_offset--;
2101
2102 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, prev_freq_offset);
2103 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
2104
2105 usleep_range(1000, 1500);
2106 }
2107 }
2108
rt2800_config_channel_rf2xxx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2109 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
2110 struct ieee80211_conf *conf,
2111 struct rf_channel *rf,
2112 struct channel_info *info)
2113 {
2114 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
2115
2116 if (rt2x00dev->default_ant.tx_chain_num == 1)
2117 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
2118
2119 if (rt2x00dev->default_ant.rx_chain_num == 1) {
2120 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
2121 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
2122 } else if (rt2x00dev->default_ant.rx_chain_num == 2)
2123 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
2124
2125 if (rf->channel > 14) {
2126 /*
2127 * When TX power is below 0, we should increase it by 7 to
2128 * make it a positive value (Minimum value is -7).
2129 * However this means that values between 0 and 7 have
2130 * double meaning, and we should set a 7DBm boost flag.
2131 */
2132 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
2133 (info->default_power1 >= 0));
2134
2135 if (info->default_power1 < 0)
2136 info->default_power1 += 7;
2137
2138 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
2139
2140 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
2141 (info->default_power2 >= 0));
2142
2143 if (info->default_power2 < 0)
2144 info->default_power2 += 7;
2145
2146 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
2147 } else {
2148 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
2149 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
2150 }
2151
2152 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
2153
2154 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
2155 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
2156 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
2157 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
2158
2159 udelay(200);
2160
2161 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
2162 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
2163 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
2164 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
2165
2166 udelay(200);
2167
2168 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
2169 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
2170 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
2171 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
2172 }
2173
rt2800_config_channel_rf3xxx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2174 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
2175 struct ieee80211_conf *conf,
2176 struct rf_channel *rf,
2177 struct channel_info *info)
2178 {
2179 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2180 u8 rfcsr, calib_tx, calib_rx;
2181
2182 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
2183
2184 rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
2185 rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3);
2186 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2187
2188 rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
2189 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
2190 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2191
2192 rfcsr = rt2800_rfcsr_read(rt2x00dev, 12);
2193 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
2194 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2195
2196 rfcsr = rt2800_rfcsr_read(rt2x00dev, 13);
2197 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
2198 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
2199
2200 rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
2201 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2202 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
2203 rt2x00dev->default_ant.rx_chain_num <= 1);
2204 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD,
2205 rt2x00dev->default_ant.rx_chain_num <= 2);
2206 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2207 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
2208 rt2x00dev->default_ant.tx_chain_num <= 1);
2209 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD,
2210 rt2x00dev->default_ant.tx_chain_num <= 2);
2211 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2212
2213 rfcsr = rt2800_rfcsr_read(rt2x00dev, 23);
2214 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
2215 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2216
2217 if (rt2x00_rt(rt2x00dev, RT3390)) {
2218 calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f;
2219 calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f;
2220 } else {
2221 if (conf_is_ht40(conf)) {
2222 calib_tx = drv_data->calibration_bw40;
2223 calib_rx = drv_data->calibration_bw40;
2224 } else {
2225 calib_tx = drv_data->calibration_bw20;
2226 calib_rx = drv_data->calibration_bw20;
2227 }
2228 }
2229
2230 rfcsr = rt2800_rfcsr_read(rt2x00dev, 24);
2231 rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx);
2232 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr);
2233
2234 rfcsr = rt2800_rfcsr_read(rt2x00dev, 31);
2235 rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx);
2236 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
2237
2238 rfcsr = rt2800_rfcsr_read(rt2x00dev, 7);
2239 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2240 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2241
2242 rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
2243 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
2244 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2245
2246 usleep_range(1000, 1500);
2247
2248 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
2249 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2250 }
2251
rt2800_config_channel_rf3052(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2252 static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
2253 struct ieee80211_conf *conf,
2254 struct rf_channel *rf,
2255 struct channel_info *info)
2256 {
2257 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2258 u8 rfcsr;
2259 u32 reg;
2260
2261 if (rf->channel <= 14) {
2262 rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
2263 rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
2264 } else {
2265 rt2800_bbp_write(rt2x00dev, 25, 0x09);
2266 rt2800_bbp_write(rt2x00dev, 26, 0xff);
2267 }
2268
2269 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
2270 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
2271
2272 rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
2273 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
2274 if (rf->channel <= 14)
2275 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
2276 else
2277 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
2278 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2279
2280 rfcsr = rt2800_rfcsr_read(rt2x00dev, 5);
2281 if (rf->channel <= 14)
2282 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
2283 else
2284 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
2285 rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
2286
2287 rfcsr = rt2800_rfcsr_read(rt2x00dev, 12);
2288 if (rf->channel <= 14) {
2289 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
2290 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
2291 info->default_power1);
2292 } else {
2293 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
2294 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
2295 (info->default_power1 & 0x3) |
2296 ((info->default_power1 & 0xC) << 1));
2297 }
2298 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2299
2300 rfcsr = rt2800_rfcsr_read(rt2x00dev, 13);
2301 if (rf->channel <= 14) {
2302 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
2303 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
2304 info->default_power2);
2305 } else {
2306 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
2307 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
2308 (info->default_power2 & 0x3) |
2309 ((info->default_power2 & 0xC) << 1));
2310 }
2311 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
2312
2313 rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
2314 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2315 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2316 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2317 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2318 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2319 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2320 if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2321 if (rf->channel <= 14) {
2322 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2323 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2324 }
2325 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2326 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2327 } else {
2328 switch (rt2x00dev->default_ant.tx_chain_num) {
2329 case 1:
2330 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2331 case 2:
2332 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2333 break;
2334 }
2335
2336 switch (rt2x00dev->default_ant.rx_chain_num) {
2337 case 1:
2338 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2339 case 2:
2340 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2341 break;
2342 }
2343 }
2344 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2345
2346 rfcsr = rt2800_rfcsr_read(rt2x00dev, 23);
2347 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
2348 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2349
2350 if (conf_is_ht40(conf)) {
2351 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40);
2352 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40);
2353 } else {
2354 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20);
2355 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20);
2356 }
2357
2358 if (rf->channel <= 14) {
2359 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
2360 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
2361 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
2362 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
2363 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
2364 rfcsr = 0x4c;
2365 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
2366 drv_data->txmixer_gain_24g);
2367 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
2368 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
2369 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
2370 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
2371 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
2372 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
2373 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
2374 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
2375 } else {
2376 rfcsr = rt2800_rfcsr_read(rt2x00dev, 7);
2377 rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1);
2378 rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0);
2379 rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1);
2380 rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0);
2381 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2382 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
2383 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
2384 rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
2385 rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
2386 rfcsr = 0x7a;
2387 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
2388 drv_data->txmixer_gain_5g);
2389 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
2390 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
2391 if (rf->channel <= 64) {
2392 rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
2393 rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
2394 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
2395 } else if (rf->channel <= 128) {
2396 rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
2397 rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
2398 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
2399 } else {
2400 rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
2401 rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
2402 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
2403 }
2404 rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
2405 rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
2406 rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
2407 }
2408
2409 reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
2410 rt2x00_set_field32(®, GPIO_CTRL_DIR7, 0);
2411 if (rf->channel <= 14)
2412 rt2x00_set_field32(®, GPIO_CTRL_VAL7, 1);
2413 else
2414 rt2x00_set_field32(®, GPIO_CTRL_VAL7, 0);
2415 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
2416
2417 rfcsr = rt2800_rfcsr_read(rt2x00dev, 7);
2418 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2419 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2420 }
2421
rt2800_config_channel_rf3053(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2422 static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev,
2423 struct ieee80211_conf *conf,
2424 struct rf_channel *rf,
2425 struct channel_info *info)
2426 {
2427 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2428 u8 txrx_agc_fc;
2429 u8 txrx_h20m;
2430 u8 rfcsr;
2431 u8 bbp;
2432 const bool txbf_enabled = false; /* TODO */
2433
2434 /* TODO: use TX{0,1,2}FinePowerControl values from EEPROM */
2435 bbp = rt2800_bbp_read(rt2x00dev, 109);
2436 rt2x00_set_field8(&bbp, BBP109_TX0_POWER, 0);
2437 rt2x00_set_field8(&bbp, BBP109_TX1_POWER, 0);
2438 rt2800_bbp_write(rt2x00dev, 109, bbp);
2439
2440 bbp = rt2800_bbp_read(rt2x00dev, 110);
2441 rt2x00_set_field8(&bbp, BBP110_TX2_POWER, 0);
2442 rt2800_bbp_write(rt2x00dev, 110, bbp);
2443
2444 if (rf->channel <= 14) {
2445 /* Restore BBP 25 & 26 for 2.4 GHz */
2446 rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
2447 rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
2448 } else {
2449 /* Hard code BBP 25 & 26 for 5GHz */
2450
2451 /* Enable IQ Phase correction */
2452 rt2800_bbp_write(rt2x00dev, 25, 0x09);
2453 /* Setup IQ Phase correction value */
2454 rt2800_bbp_write(rt2x00dev, 26, 0xff);
2455 }
2456
2457 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2458 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3 & 0xf);
2459
2460 rfcsr = rt2800_rfcsr_read(rt2x00dev, 11);
2461 rt2x00_set_field8(&rfcsr, RFCSR11_R, (rf->rf2 & 0x3));
2462 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2463
2464 rfcsr = rt2800_rfcsr_read(rt2x00dev, 11);
2465 rt2x00_set_field8(&rfcsr, RFCSR11_PLL_IDOH, 1);
2466 if (rf->channel <= 14)
2467 rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 1);
2468 else
2469 rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 2);
2470 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2471
2472 rfcsr = rt2800_rfcsr_read(rt2x00dev, 53);
2473 if (rf->channel <= 14) {
2474 rfcsr = 0;
2475 rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER,
2476 info->default_power1 & 0x1f);
2477 } else {
2478 if (rt2x00_is_usb(rt2x00dev))
2479 rfcsr = 0x40;
2480
2481 rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER,
2482 ((info->default_power1 & 0x18) << 1) |
2483 (info->default_power1 & 7));
2484 }
2485 rt2800_rfcsr_write(rt2x00dev, 53, rfcsr);
2486
2487 rfcsr = rt2800_rfcsr_read(rt2x00dev, 55);
2488 if (rf->channel <= 14) {
2489 rfcsr = 0;
2490 rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER,
2491 info->default_power2 & 0x1f);
2492 } else {
2493 if (rt2x00_is_usb(rt2x00dev))
2494 rfcsr = 0x40;
2495
2496 rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER,
2497 ((info->default_power2 & 0x18) << 1) |
2498 (info->default_power2 & 7));
2499 }
2500 rt2800_rfcsr_write(rt2x00dev, 55, rfcsr);
2501
2502 rfcsr = rt2800_rfcsr_read(rt2x00dev, 54);
2503 if (rf->channel <= 14) {
2504 rfcsr = 0;
2505 rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER,
2506 info->default_power3 & 0x1f);
2507 } else {
2508 if (rt2x00_is_usb(rt2x00dev))
2509 rfcsr = 0x40;
2510
2511 rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER,
2512 ((info->default_power3 & 0x18) << 1) |
2513 (info->default_power3 & 7));
2514 }
2515 rt2800_rfcsr_write(rt2x00dev, 54, rfcsr);
2516
2517 rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
2518 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2519 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2520 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2521 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2522 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2523 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2524 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2525 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2526
2527 switch (rt2x00dev->default_ant.tx_chain_num) {
2528 case 3:
2529 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2530 /* fallthrough */
2531 case 2:
2532 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2533 /* fallthrough */
2534 case 1:
2535 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2536 break;
2537 }
2538
2539 switch (rt2x00dev->default_ant.rx_chain_num) {
2540 case 3:
2541 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2542 /* fallthrough */
2543 case 2:
2544 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2545 /* fallthrough */
2546 case 1:
2547 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2548 break;
2549 }
2550 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2551
2552 rt2800_freq_cal_mode1(rt2x00dev);
2553
2554 if (conf_is_ht40(conf)) {
2555 txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw40,
2556 RFCSR24_TX_AGC_FC);
2557 txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw40,
2558 RFCSR24_TX_H20M);
2559 } else {
2560 txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw20,
2561 RFCSR24_TX_AGC_FC);
2562 txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw20,
2563 RFCSR24_TX_H20M);
2564 }
2565
2566 /* NOTE: the reference driver does not writes the new value
2567 * back to RFCSR 32
2568 */
2569 rfcsr = rt2800_rfcsr_read(rt2x00dev, 32);
2570 rt2x00_set_field8(&rfcsr, RFCSR32_TX_AGC_FC, txrx_agc_fc);
2571
2572 if (rf->channel <= 14)
2573 rfcsr = 0xa0;
2574 else
2575 rfcsr = 0x80;
2576 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
2577
2578 rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
2579 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, txrx_h20m);
2580 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, txrx_h20m);
2581 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2582
2583 /* Band selection */
2584 rfcsr = rt2800_rfcsr_read(rt2x00dev, 36);
2585 if (rf->channel <= 14)
2586 rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1);
2587 else
2588 rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0);
2589 rt2800_rfcsr_write(rt2x00dev, 36, rfcsr);
2590
2591 rfcsr = rt2800_rfcsr_read(rt2x00dev, 34);
2592 if (rf->channel <= 14)
2593 rfcsr = 0x3c;
2594 else
2595 rfcsr = 0x20;
2596 rt2800_rfcsr_write(rt2x00dev, 34, rfcsr);
2597
2598 rfcsr = rt2800_rfcsr_read(rt2x00dev, 12);
2599 if (rf->channel <= 14)
2600 rfcsr = 0x1a;
2601 else
2602 rfcsr = 0x12;
2603 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2604
2605 rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
2606 if (rf->channel >= 1 && rf->channel <= 14)
2607 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1);
2608 else if (rf->channel >= 36 && rf->channel <= 64)
2609 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2);
2610 else if (rf->channel >= 100 && rf->channel <= 128)
2611 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2);
2612 else
2613 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1);
2614 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2615
2616 rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
2617 rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
2618 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2619
2620 rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
2621
2622 if (rf->channel <= 14) {
2623 rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
2624 rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
2625 } else {
2626 rt2800_rfcsr_write(rt2x00dev, 10, 0xd8);
2627 rt2800_rfcsr_write(rt2x00dev, 13, 0x23);
2628 }
2629
2630 rfcsr = rt2800_rfcsr_read(rt2x00dev, 51);
2631 rt2x00_set_field8(&rfcsr, RFCSR51_BITS01, 1);
2632 rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
2633
2634 rfcsr = rt2800_rfcsr_read(rt2x00dev, 51);
2635 if (rf->channel <= 14) {
2636 rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 5);
2637 rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 3);
2638 } else {
2639 rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 4);
2640 rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 2);
2641 }
2642 rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
2643
2644 rfcsr = rt2800_rfcsr_read(rt2x00dev, 49);
2645 if (rf->channel <= 14)
2646 rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 3);
2647 else
2648 rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 2);
2649
2650 if (txbf_enabled)
2651 rt2x00_set_field8(&rfcsr, RFCSR49_TX_DIV, 1);
2652
2653 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2654
2655 rfcsr = rt2800_rfcsr_read(rt2x00dev, 50);
2656 rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO1_EN, 0);
2657 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2658
2659 rfcsr = rt2800_rfcsr_read(rt2x00dev, 57);
2660 if (rf->channel <= 14)
2661 rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x1b);
2662 else
2663 rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x0f);
2664 rt2800_rfcsr_write(rt2x00dev, 57, rfcsr);
2665
2666 if (rf->channel <= 14) {
2667 rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
2668 rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
2669 } else {
2670 rt2800_rfcsr_write(rt2x00dev, 44, 0x9b);
2671 rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
2672 }
2673
2674 /* Initiate VCO calibration */
2675 rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
2676 if (rf->channel <= 14) {
2677 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2678 } else {
2679 rt2x00_set_field8(&rfcsr, RFCSR3_BIT1, 1);
2680 rt2x00_set_field8(&rfcsr, RFCSR3_BIT2, 1);
2681 rt2x00_set_field8(&rfcsr, RFCSR3_BIT3, 1);
2682 rt2x00_set_field8(&rfcsr, RFCSR3_BIT4, 1);
2683 rt2x00_set_field8(&rfcsr, RFCSR3_BIT5, 1);
2684 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2685 }
2686 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2687
2688 if (rf->channel >= 1 && rf->channel <= 14) {
2689 rfcsr = 0x23;
2690 if (txbf_enabled)
2691 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2692 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2693
2694 rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
2695 } else if (rf->channel >= 36 && rf->channel <= 64) {
2696 rfcsr = 0x36;
2697 if (txbf_enabled)
2698 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2699 rt2800_rfcsr_write(rt2x00dev, 39, 0x36);
2700
2701 rt2800_rfcsr_write(rt2x00dev, 45, 0xeb);
2702 } else if (rf->channel >= 100 && rf->channel <= 128) {
2703 rfcsr = 0x32;
2704 if (txbf_enabled)
2705 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2706 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2707
2708 rt2800_rfcsr_write(rt2x00dev, 45, 0xb3);
2709 } else {
2710 rfcsr = 0x30;
2711 if (txbf_enabled)
2712 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2713 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2714
2715 rt2800_rfcsr_write(rt2x00dev, 45, 0x9b);
2716 }
2717 }
2718
2719 #define POWER_BOUND 0x27
2720 #define POWER_BOUND_5G 0x2b
2721
rt2800_config_channel_rf3290(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2722 static void rt2800_config_channel_rf3290(struct rt2x00_dev *rt2x00dev,
2723 struct ieee80211_conf *conf,
2724 struct rf_channel *rf,
2725 struct channel_info *info)
2726 {
2727 u8 rfcsr;
2728
2729 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2730 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2731 rfcsr = rt2800_rfcsr_read(rt2x00dev, 11);
2732 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2733 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2734
2735 rfcsr = rt2800_rfcsr_read(rt2x00dev, 49);
2736 if (info->default_power1 > POWER_BOUND)
2737 rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2738 else
2739 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2740 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2741
2742 rt2800_freq_cal_mode1(rt2x00dev);
2743
2744 if (rf->channel <= 14) {
2745 if (rf->channel == 6)
2746 rt2800_bbp_write(rt2x00dev, 68, 0x0c);
2747 else
2748 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
2749
2750 if (rf->channel >= 1 && rf->channel <= 6)
2751 rt2800_bbp_write(rt2x00dev, 59, 0x0f);
2752 else if (rf->channel >= 7 && rf->channel <= 11)
2753 rt2800_bbp_write(rt2x00dev, 59, 0x0e);
2754 else if (rf->channel >= 12 && rf->channel <= 14)
2755 rt2800_bbp_write(rt2x00dev, 59, 0x0d);
2756 }
2757 }
2758
rt2800_config_channel_rf3322(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2759 static void rt2800_config_channel_rf3322(struct rt2x00_dev *rt2x00dev,
2760 struct ieee80211_conf *conf,
2761 struct rf_channel *rf,
2762 struct channel_info *info)
2763 {
2764 u8 rfcsr;
2765
2766 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2767 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2768
2769 rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
2770 rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
2771 rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
2772
2773 if (info->default_power1 > POWER_BOUND)
2774 rt2800_rfcsr_write(rt2x00dev, 47, POWER_BOUND);
2775 else
2776 rt2800_rfcsr_write(rt2x00dev, 47, info->default_power1);
2777
2778 if (info->default_power2 > POWER_BOUND)
2779 rt2800_rfcsr_write(rt2x00dev, 48, POWER_BOUND);
2780 else
2781 rt2800_rfcsr_write(rt2x00dev, 48, info->default_power2);
2782
2783 rt2800_freq_cal_mode1(rt2x00dev);
2784
2785 rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
2786 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2787 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2788
2789 if ( rt2x00dev->default_ant.tx_chain_num == 2 )
2790 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2791 else
2792 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2793
2794 if ( rt2x00dev->default_ant.rx_chain_num == 2 )
2795 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2796 else
2797 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2798
2799 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2800 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2801
2802 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2803
2804 rt2800_rfcsr_write(rt2x00dev, 31, 80);
2805 }
2806
rt2800_config_channel_rf53xx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2807 static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
2808 struct ieee80211_conf *conf,
2809 struct rf_channel *rf,
2810 struct channel_info *info)
2811 {
2812 u8 rfcsr;
2813
2814 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2815 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2816 rfcsr = rt2800_rfcsr_read(rt2x00dev, 11);
2817 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2818 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2819
2820 rfcsr = rt2800_rfcsr_read(rt2x00dev, 49);
2821 if (info->default_power1 > POWER_BOUND)
2822 rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2823 else
2824 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2825 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2826
2827 if (rt2x00_rt(rt2x00dev, RT5392)) {
2828 rfcsr = rt2800_rfcsr_read(rt2x00dev, 50);
2829 if (info->default_power2 > POWER_BOUND)
2830 rt2x00_set_field8(&rfcsr, RFCSR50_TX, POWER_BOUND);
2831 else
2832 rt2x00_set_field8(&rfcsr, RFCSR50_TX,
2833 info->default_power2);
2834 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2835 }
2836
2837 rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
2838 if (rt2x00_rt(rt2x00dev, RT5392)) {
2839 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2840 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2841 }
2842 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2843 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2844 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2845 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2846 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2847
2848 rt2800_freq_cal_mode1(rt2x00dev);
2849
2850 if (rf->channel <= 14) {
2851 int idx = rf->channel-1;
2852
2853 if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2854 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2855 /* r55/r59 value array of channel 1~14 */
2856 static const char r55_bt_rev[] = {0x83, 0x83,
2857 0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
2858 0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
2859 static const char r59_bt_rev[] = {0x0e, 0x0e,
2860 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
2861 0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
2862
2863 rt2800_rfcsr_write(rt2x00dev, 55,
2864 r55_bt_rev[idx]);
2865 rt2800_rfcsr_write(rt2x00dev, 59,
2866 r59_bt_rev[idx]);
2867 } else {
2868 static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
2869 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
2870 0x88, 0x88, 0x86, 0x85, 0x84};
2871
2872 rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
2873 }
2874 } else {
2875 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2876 static const char r55_nonbt_rev[] = {0x23, 0x23,
2877 0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
2878 0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
2879 static const char r59_nonbt_rev[] = {0x07, 0x07,
2880 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
2881 0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
2882
2883 rt2800_rfcsr_write(rt2x00dev, 55,
2884 r55_nonbt_rev[idx]);
2885 rt2800_rfcsr_write(rt2x00dev, 59,
2886 r59_nonbt_rev[idx]);
2887 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
2888 rt2x00_rt(rt2x00dev, RT5392) ||
2889 rt2x00_rt(rt2x00dev, RT6352)) {
2890 static const char r59_non_bt[] = {0x8f, 0x8f,
2891 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
2892 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
2893
2894 rt2800_rfcsr_write(rt2x00dev, 59,
2895 r59_non_bt[idx]);
2896 } else if (rt2x00_rt(rt2x00dev, RT5350)) {
2897 static const char r59_non_bt[] = {0x0b, 0x0b,
2898 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a,
2899 0x0a, 0x09, 0x08, 0x07, 0x07, 0x06};
2900
2901 rt2800_rfcsr_write(rt2x00dev, 59,
2902 r59_non_bt[idx]);
2903 }
2904 }
2905 }
2906 }
2907
rt2800_config_channel_rf55xx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2908 static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev,
2909 struct ieee80211_conf *conf,
2910 struct rf_channel *rf,
2911 struct channel_info *info)
2912 {
2913 u8 rfcsr, ep_reg;
2914 u32 reg;
2915 int power_bound;
2916
2917 /* TODO */
2918 const bool is_11b = false;
2919 const bool is_type_ep = false;
2920
2921 reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
2922 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL,
2923 (rf->channel > 14 || conf_is_ht40(conf)) ? 5 : 0);
2924 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
2925
2926 /* Order of values on rf_channel entry: N, K, mod, R */
2927 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1 & 0xff);
2928
2929 rfcsr = rt2800_rfcsr_read(rt2x00dev, 9);
2930 rt2x00_set_field8(&rfcsr, RFCSR9_K, rf->rf2 & 0xf);
2931 rt2x00_set_field8(&rfcsr, RFCSR9_N, (rf->rf1 & 0x100) >> 8);
2932 rt2x00_set_field8(&rfcsr, RFCSR9_MOD, ((rf->rf3 - 8) & 0x4) >> 2);
2933 rt2800_rfcsr_write(rt2x00dev, 9, rfcsr);
2934
2935 rfcsr = rt2800_rfcsr_read(rt2x00dev, 11);
2936 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf4 - 1);
2937 rt2x00_set_field8(&rfcsr, RFCSR11_MOD, (rf->rf3 - 8) & 0x3);
2938 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2939
2940 if (rf->channel <= 14) {
2941 rt2800_rfcsr_write(rt2x00dev, 10, 0x90);
2942 /* FIXME: RF11 owerwrite ? */
2943 rt2800_rfcsr_write(rt2x00dev, 11, 0x4A);
2944 rt2800_rfcsr_write(rt2x00dev, 12, 0x52);
2945 rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2946 rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2947 rt2800_rfcsr_write(rt2x00dev, 24, 0x4A);
2948 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
2949 rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2950 rt2800_rfcsr_write(rt2x00dev, 36, 0x80);
2951 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
2952 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
2953 rt2800_rfcsr_write(rt2x00dev, 39, 0x1B);
2954 rt2800_rfcsr_write(rt2x00dev, 40, 0x0D);
2955 rt2800_rfcsr_write(rt2x00dev, 41, 0x9B);
2956 rt2800_rfcsr_write(rt2x00dev, 42, 0xD5);
2957 rt2800_rfcsr_write(rt2x00dev, 43, 0x72);
2958 rt2800_rfcsr_write(rt2x00dev, 44, 0x0E);
2959 rt2800_rfcsr_write(rt2x00dev, 45, 0xA2);
2960 rt2800_rfcsr_write(rt2x00dev, 46, 0x6B);
2961 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
2962 rt2800_rfcsr_write(rt2x00dev, 51, 0x3E);
2963 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
2964 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
2965 rt2800_rfcsr_write(rt2x00dev, 56, 0xA1);
2966 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
2967 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
2968 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
2969 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
2970 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
2971
2972 /* TODO RF27 <- tssi */
2973
2974 rfcsr = rf->channel <= 10 ? 0x07 : 0x06;
2975 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2976 rt2800_rfcsr_write(rt2x00dev, 59, rfcsr);
2977
2978 if (is_11b) {
2979 /* CCK */
2980 rt2800_rfcsr_write(rt2x00dev, 31, 0xF8);
2981 rt2800_rfcsr_write(rt2x00dev, 32, 0xC0);
2982 if (is_type_ep)
2983 rt2800_rfcsr_write(rt2x00dev, 55, 0x06);
2984 else
2985 rt2800_rfcsr_write(rt2x00dev, 55, 0x47);
2986 } else {
2987 /* OFDM */
2988 if (is_type_ep)
2989 rt2800_rfcsr_write(rt2x00dev, 55, 0x03);
2990 else
2991 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
2992 }
2993
2994 power_bound = POWER_BOUND;
2995 ep_reg = 0x2;
2996 } else {
2997 rt2800_rfcsr_write(rt2x00dev, 10, 0x97);
2998 /* FIMXE: RF11 overwrite */
2999 rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
3000 rt2800_rfcsr_write(rt2x00dev, 25, 0xBF);
3001 rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
3002 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
3003 rt2800_rfcsr_write(rt2x00dev, 37, 0x04);
3004 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
3005 rt2800_rfcsr_write(rt2x00dev, 40, 0x42);
3006 rt2800_rfcsr_write(rt2x00dev, 41, 0xBB);
3007 rt2800_rfcsr_write(rt2x00dev, 42, 0xD7);
3008 rt2800_rfcsr_write(rt2x00dev, 45, 0x41);
3009 rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
3010 rt2800_rfcsr_write(rt2x00dev, 57, 0x77);
3011 rt2800_rfcsr_write(rt2x00dev, 60, 0x05);
3012 rt2800_rfcsr_write(rt2x00dev, 61, 0x01);
3013
3014 /* TODO RF27 <- tssi */
3015
3016 if (rf->channel >= 36 && rf->channel <= 64) {
3017
3018 rt2800_rfcsr_write(rt2x00dev, 12, 0x2E);
3019 rt2800_rfcsr_write(rt2x00dev, 13, 0x22);
3020 rt2800_rfcsr_write(rt2x00dev, 22, 0x60);
3021 rt2800_rfcsr_write(rt2x00dev, 23, 0x7F);
3022 if (rf->channel <= 50)
3023 rt2800_rfcsr_write(rt2x00dev, 24, 0x09);
3024 else if (rf->channel >= 52)
3025 rt2800_rfcsr_write(rt2x00dev, 24, 0x07);
3026 rt2800_rfcsr_write(rt2x00dev, 39, 0x1C);
3027 rt2800_rfcsr_write(rt2x00dev, 43, 0x5B);
3028 rt2800_rfcsr_write(rt2x00dev, 44, 0X40);
3029 rt2800_rfcsr_write(rt2x00dev, 46, 0X00);
3030 rt2800_rfcsr_write(rt2x00dev, 51, 0xFE);
3031 rt2800_rfcsr_write(rt2x00dev, 52, 0x0C);
3032 rt2800_rfcsr_write(rt2x00dev, 54, 0xF8);
3033 if (rf->channel <= 50) {
3034 rt2800_rfcsr_write(rt2x00dev, 55, 0x06),
3035 rt2800_rfcsr_write(rt2x00dev, 56, 0xD3);
3036 } else if (rf->channel >= 52) {
3037 rt2800_rfcsr_write(rt2x00dev, 55, 0x04);
3038 rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
3039 }
3040
3041 rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
3042 rt2800_rfcsr_write(rt2x00dev, 59, 0x7F);
3043 rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
3044
3045 } else if (rf->channel >= 100 && rf->channel <= 165) {
3046
3047 rt2800_rfcsr_write(rt2x00dev, 12, 0x0E);
3048 rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
3049 rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
3050 if (rf->channel <= 153) {
3051 rt2800_rfcsr_write(rt2x00dev, 23, 0x3C);
3052 rt2800_rfcsr_write(rt2x00dev, 24, 0x06);
3053 } else if (rf->channel >= 155) {
3054 rt2800_rfcsr_write(rt2x00dev, 23, 0x38);
3055 rt2800_rfcsr_write(rt2x00dev, 24, 0x05);
3056 }
3057 if (rf->channel <= 138) {
3058 rt2800_rfcsr_write(rt2x00dev, 39, 0x1A);
3059 rt2800_rfcsr_write(rt2x00dev, 43, 0x3B);
3060 rt2800_rfcsr_write(rt2x00dev, 44, 0x20);
3061 rt2800_rfcsr_write(rt2x00dev, 46, 0x18);
3062 } else if (rf->channel >= 140) {
3063 rt2800_rfcsr_write(rt2x00dev, 39, 0x18);
3064 rt2800_rfcsr_write(rt2x00dev, 43, 0x1B);
3065 rt2800_rfcsr_write(rt2x00dev, 44, 0x10);
3066 rt2800_rfcsr_write(rt2x00dev, 46, 0X08);
3067 }
3068 if (rf->channel <= 124)
3069 rt2800_rfcsr_write(rt2x00dev, 51, 0xFC);
3070 else if (rf->channel >= 126)
3071 rt2800_rfcsr_write(rt2x00dev, 51, 0xEC);
3072 if (rf->channel <= 138)
3073 rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
3074 else if (rf->channel >= 140)
3075 rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
3076 rt2800_rfcsr_write(rt2x00dev, 54, 0xEB);
3077 if (rf->channel <= 138)
3078 rt2800_rfcsr_write(rt2x00dev, 55, 0x01);
3079 else if (rf->channel >= 140)
3080 rt2800_rfcsr_write(rt2x00dev, 55, 0x00);
3081 if (rf->channel <= 128)
3082 rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
3083 else if (rf->channel >= 130)
3084 rt2800_rfcsr_write(rt2x00dev, 56, 0xAB);
3085 if (rf->channel <= 116)
3086 rt2800_rfcsr_write(rt2x00dev, 58, 0x1D);
3087 else if (rf->channel >= 118)
3088 rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
3089 if (rf->channel <= 138)
3090 rt2800_rfcsr_write(rt2x00dev, 59, 0x3F);
3091 else if (rf->channel >= 140)
3092 rt2800_rfcsr_write(rt2x00dev, 59, 0x7C);
3093 if (rf->channel <= 116)
3094 rt2800_rfcsr_write(rt2x00dev, 62, 0x1D);
3095 else if (rf->channel >= 118)
3096 rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
3097 }
3098
3099 power_bound = POWER_BOUND_5G;
3100 ep_reg = 0x3;
3101 }
3102
3103 rfcsr = rt2800_rfcsr_read(rt2x00dev, 49);
3104 if (info->default_power1 > power_bound)
3105 rt2x00_set_field8(&rfcsr, RFCSR49_TX, power_bound);
3106 else
3107 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
3108 if (is_type_ep)
3109 rt2x00_set_field8(&rfcsr, RFCSR49_EP, ep_reg);
3110 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
3111
3112 rfcsr = rt2800_rfcsr_read(rt2x00dev, 50);
3113 if (info->default_power2 > power_bound)
3114 rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound);
3115 else
3116 rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2);
3117 if (is_type_ep)
3118 rt2x00_set_field8(&rfcsr, RFCSR50_EP, ep_reg);
3119 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
3120
3121 rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
3122 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
3123 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
3124
3125 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD,
3126 rt2x00dev->default_ant.tx_chain_num >= 1);
3127 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
3128 rt2x00dev->default_ant.tx_chain_num == 2);
3129 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
3130
3131 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD,
3132 rt2x00dev->default_ant.rx_chain_num >= 1);
3133 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
3134 rt2x00dev->default_ant.rx_chain_num == 2);
3135 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
3136
3137 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
3138 rt2800_rfcsr_write(rt2x00dev, 6, 0xe4);
3139
3140 if (conf_is_ht40(conf))
3141 rt2800_rfcsr_write(rt2x00dev, 30, 0x16);
3142 else
3143 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
3144
3145 if (!is_11b) {
3146 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
3147 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
3148 }
3149
3150 /* TODO proper frequency adjustment */
3151 rt2800_freq_cal_mode1(rt2x00dev);
3152
3153 /* TODO merge with others */
3154 rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
3155 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
3156 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
3157
3158 /* BBP settings */
3159 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3160 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3161 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3162
3163 rt2800_bbp_write(rt2x00dev, 79, (rf->channel <= 14) ? 0x1C : 0x18);
3164 rt2800_bbp_write(rt2x00dev, 80, (rf->channel <= 14) ? 0x0E : 0x08);
3165 rt2800_bbp_write(rt2x00dev, 81, (rf->channel <= 14) ? 0x3A : 0x38);
3166 rt2800_bbp_write(rt2x00dev, 82, (rf->channel <= 14) ? 0x62 : 0x92);
3167
3168 /* GLRT band configuration */
3169 rt2800_bbp_write(rt2x00dev, 195, 128);
3170 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0xE0 : 0xF0);
3171 rt2800_bbp_write(rt2x00dev, 195, 129);
3172 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x1F : 0x1E);
3173 rt2800_bbp_write(rt2x00dev, 195, 130);
3174 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x38 : 0x28);
3175 rt2800_bbp_write(rt2x00dev, 195, 131);
3176 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x32 : 0x20);
3177 rt2800_bbp_write(rt2x00dev, 195, 133);
3178 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x28 : 0x7F);
3179 rt2800_bbp_write(rt2x00dev, 195, 124);
3180 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F);
3181 }
3182
rt2800_config_channel_rf7620(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)3183 static void rt2800_config_channel_rf7620(struct rt2x00_dev *rt2x00dev,
3184 struct ieee80211_conf *conf,
3185 struct rf_channel *rf,
3186 struct channel_info *info)
3187 {
3188 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
3189 u8 rx_agc_fc, tx_agc_fc;
3190 u8 rfcsr;
3191
3192 /* Frequeny plan setting */
3193 /* Rdiv setting (set 0x03 if Xtal==20)
3194 * R13[1:0]
3195 */
3196 rfcsr = rt2800_rfcsr_read(rt2x00dev, 13);
3197 rt2x00_set_field8(&rfcsr, RFCSR13_RDIV_MT7620,
3198 rt2800_clk_is_20mhz(rt2x00dev) ? 3 : 0);
3199 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
3200
3201 /* N setting
3202 * R20[7:0] in rf->rf1
3203 * R21[0] always 0
3204 */
3205 rfcsr = rt2800_rfcsr_read(rt2x00dev, 20);
3206 rfcsr = (rf->rf1 & 0x00ff);
3207 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
3208
3209 rfcsr = rt2800_rfcsr_read(rt2x00dev, 21);
3210 rt2x00_set_field8(&rfcsr, RFCSR21_BIT1, 0);
3211 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
3212
3213 /* K setting (always 0)
3214 * R16[3:0] (RF PLL freq selection)
3215 */
3216 rfcsr = rt2800_rfcsr_read(rt2x00dev, 16);
3217 rt2x00_set_field8(&rfcsr, RFCSR16_RF_PLL_FREQ_SEL_MT7620, 0);
3218 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
3219
3220 /* D setting (always 0)
3221 * R22[2:0] (D=15, R22[2:0]=<111>)
3222 */
3223 rfcsr = rt2800_rfcsr_read(rt2x00dev, 22);
3224 rt2x00_set_field8(&rfcsr, RFCSR22_FREQPLAN_D_MT7620, 0);
3225 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
3226
3227 /* Ksd setting
3228 * Ksd: R17<7:0> in rf->rf2
3229 * R18<7:0> in rf->rf3
3230 * R19<1:0> in rf->rf4
3231 */
3232 rfcsr = rt2800_rfcsr_read(rt2x00dev, 17);
3233 rfcsr = rf->rf2;
3234 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
3235
3236 rfcsr = rt2800_rfcsr_read(rt2x00dev, 18);
3237 rfcsr = rf->rf3;
3238 rt2800_rfcsr_write(rt2x00dev, 18, rfcsr);
3239
3240 rfcsr = rt2800_rfcsr_read(rt2x00dev, 19);
3241 rt2x00_set_field8(&rfcsr, RFCSR19_K, rf->rf4);
3242 rt2800_rfcsr_write(rt2x00dev, 19, rfcsr);
3243
3244 /* Default: XO=20MHz , SDM mode */
3245 rfcsr = rt2800_rfcsr_read(rt2x00dev, 16);
3246 rt2x00_set_field8(&rfcsr, RFCSR16_SDM_MODE_MT7620, 0x80);
3247 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
3248
3249 rfcsr = rt2800_rfcsr_read(rt2x00dev, 21);
3250 rt2x00_set_field8(&rfcsr, RFCSR21_BIT8, 1);
3251 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
3252
3253 rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
3254 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_EN_MT7620,
3255 rt2x00dev->default_ant.tx_chain_num != 1);
3256 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
3257
3258 rfcsr = rt2800_rfcsr_read(rt2x00dev, 2);
3259 rt2x00_set_field8(&rfcsr, RFCSR2_TX2_EN_MT7620,
3260 rt2x00dev->default_ant.tx_chain_num != 1);
3261 rt2x00_set_field8(&rfcsr, RFCSR2_RX2_EN_MT7620,
3262 rt2x00dev->default_ant.rx_chain_num != 1);
3263 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
3264
3265 rfcsr = rt2800_rfcsr_read(rt2x00dev, 42);
3266 rt2x00_set_field8(&rfcsr, RFCSR42_TX2_EN_MT7620,
3267 rt2x00dev->default_ant.tx_chain_num != 1);
3268 rt2800_rfcsr_write(rt2x00dev, 42, rfcsr);
3269
3270 /* RF for DC Cal BW */
3271 if (conf_is_ht40(conf)) {
3272 rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x10);
3273 rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x10);
3274 rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x04);
3275 rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x10);
3276 rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x10);
3277 } else {
3278 rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x20);
3279 rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x20);
3280 rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x00);
3281 rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x20);
3282 rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x20);
3283 }
3284
3285 if (conf_is_ht40(conf)) {
3286 rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x08);
3287 rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x08);
3288 } else {
3289 rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x28);
3290 rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x28);
3291 }
3292
3293 rfcsr = rt2800_rfcsr_read(rt2x00dev, 28);
3294 rt2x00_set_field8(&rfcsr, RFCSR28_CH11_HT40,
3295 conf_is_ht40(conf) && (rf->channel == 11));
3296 rt2800_rfcsr_write(rt2x00dev, 28, rfcsr);
3297
3298 if (!test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) {
3299 if (conf_is_ht40(conf)) {
3300 rx_agc_fc = drv_data->rx_calibration_bw40;
3301 tx_agc_fc = drv_data->tx_calibration_bw40;
3302 } else {
3303 rx_agc_fc = drv_data->rx_calibration_bw20;
3304 tx_agc_fc = drv_data->tx_calibration_bw20;
3305 }
3306 rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6);
3307 rfcsr &= (~0x3F);
3308 rfcsr |= rx_agc_fc;
3309 rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rfcsr);
3310 rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7);
3311 rfcsr &= (~0x3F);
3312 rfcsr |= rx_agc_fc;
3313 rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rfcsr);
3314 rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 6);
3315 rfcsr &= (~0x3F);
3316 rfcsr |= rx_agc_fc;
3317 rt2800_rfcsr_write_bank(rt2x00dev, 7, 6, rfcsr);
3318 rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 7);
3319 rfcsr &= (~0x3F);
3320 rfcsr |= rx_agc_fc;
3321 rt2800_rfcsr_write_bank(rt2x00dev, 7, 7, rfcsr);
3322
3323 rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58);
3324 rfcsr &= (~0x3F);
3325 rfcsr |= tx_agc_fc;
3326 rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rfcsr);
3327 rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59);
3328 rfcsr &= (~0x3F);
3329 rfcsr |= tx_agc_fc;
3330 rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rfcsr);
3331 rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 58);
3332 rfcsr &= (~0x3F);
3333 rfcsr |= tx_agc_fc;
3334 rt2800_rfcsr_write_bank(rt2x00dev, 7, 58, rfcsr);
3335 rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 59);
3336 rfcsr &= (~0x3F);
3337 rfcsr |= tx_agc_fc;
3338 rt2800_rfcsr_write_bank(rt2x00dev, 7, 59, rfcsr);
3339 }
3340 }
3341
rt2800_config_alc(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)3342 static void rt2800_config_alc(struct rt2x00_dev *rt2x00dev,
3343 struct ieee80211_channel *chan,
3344 int power_level) {
3345 u16 eeprom, target_power, max_power;
3346 u32 mac_sys_ctrl, mac_status;
3347 u32 reg;
3348 u8 bbp;
3349 int i;
3350
3351 /* hardware unit is 0.5dBm, limited to 23.5dBm */
3352 power_level *= 2;
3353 if (power_level > 0x2f)
3354 power_level = 0x2f;
3355
3356 max_power = chan->max_power * 2;
3357 if (max_power > 0x2f)
3358 max_power = 0x2f;
3359
3360 reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_0);
3361 rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_0, power_level);
3362 rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_1, power_level);
3363 rt2x00_set_field32(®, TX_ALC_CFG_0_LIMIT_0, max_power);
3364 rt2x00_set_field32(®, TX_ALC_CFG_0_LIMIT_1, max_power);
3365
3366 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
3367 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_INTERNAL_TX_ALC)) {
3368 /* init base power by eeprom target power */
3369 target_power = rt2800_eeprom_read(rt2x00dev,
3370 EEPROM_TXPOWER_INIT);
3371 rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_0, target_power);
3372 rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_1, target_power);
3373 }
3374 rt2800_register_write(rt2x00dev, TX_ALC_CFG_0, reg);
3375
3376 reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_1);
3377 rt2x00_set_field32(®, TX_ALC_CFG_1_TX_TEMP_COMP, 0);
3378 rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg);
3379
3380 /* Save MAC SYS CTRL registers */
3381 mac_sys_ctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
3382 /* Disable Tx/Rx */
3383 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
3384 /* Check MAC Tx/Rx idle */
3385 for (i = 0; i < 10000; i++) {
3386 mac_status = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
3387 if (mac_status & 0x3)
3388 usleep_range(50, 200);
3389 else
3390 break;
3391 }
3392
3393 if (i == 10000)
3394 rt2x00_warn(rt2x00dev, "Wait MAC Status to MAX !!!\n");
3395
3396 if (chan->center_freq > 2457) {
3397 bbp = rt2800_bbp_read(rt2x00dev, 30);
3398 bbp = 0x40;
3399 rt2800_bbp_write(rt2x00dev, 30, bbp);
3400 rt2800_rfcsr_write(rt2x00dev, 39, 0);
3401 if (rt2x00_has_cap_external_lna_bg(rt2x00dev))
3402 rt2800_rfcsr_write(rt2x00dev, 42, 0xfb);
3403 else
3404 rt2800_rfcsr_write(rt2x00dev, 42, 0x7b);
3405 } else {
3406 bbp = rt2800_bbp_read(rt2x00dev, 30);
3407 bbp = 0x1f;
3408 rt2800_bbp_write(rt2x00dev, 30, bbp);
3409 rt2800_rfcsr_write(rt2x00dev, 39, 0x80);
3410 if (rt2x00_has_cap_external_lna_bg(rt2x00dev))
3411 rt2800_rfcsr_write(rt2x00dev, 42, 0xdb);
3412 else
3413 rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
3414 }
3415 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, mac_sys_ctrl);
3416
3417 rt2800_vco_calibration(rt2x00dev);
3418 }
3419
rt2800_bbp_write_with_rx_chain(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u8 value)3420 static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev,
3421 const unsigned int word,
3422 const u8 value)
3423 {
3424 u8 chain, reg;
3425
3426 for (chain = 0; chain < rt2x00dev->default_ant.rx_chain_num; chain++) {
3427 reg = rt2800_bbp_read(rt2x00dev, 27);
3428 rt2x00_set_field8(®, BBP27_RX_CHAIN_SEL, chain);
3429 rt2800_bbp_write(rt2x00dev, 27, reg);
3430
3431 rt2800_bbp_write(rt2x00dev, word, value);
3432 }
3433 }
3434
rt2800_iq_calibrate(struct rt2x00_dev * rt2x00dev,int channel)3435 static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
3436 {
3437 u8 cal;
3438
3439 /* TX0 IQ Gain */
3440 rt2800_bbp_write(rt2x00dev, 158, 0x2c);
3441 if (channel <= 14)
3442 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_2G);
3443 else if (channel >= 36 && channel <= 64)
3444 cal = rt2x00_eeprom_byte(rt2x00dev,
3445 EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5G);
3446 else if (channel >= 100 && channel <= 138)
3447 cal = rt2x00_eeprom_byte(rt2x00dev,
3448 EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5G);
3449 else if (channel >= 140 && channel <= 165)
3450 cal = rt2x00_eeprom_byte(rt2x00dev,
3451 EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5G);
3452 else
3453 cal = 0;
3454 rt2800_bbp_write(rt2x00dev, 159, cal);
3455
3456 /* TX0 IQ Phase */
3457 rt2800_bbp_write(rt2x00dev, 158, 0x2d);
3458 if (channel <= 14)
3459 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_2G);
3460 else if (channel >= 36 && channel <= 64)
3461 cal = rt2x00_eeprom_byte(rt2x00dev,
3462 EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5G);
3463 else if (channel >= 100 && channel <= 138)
3464 cal = rt2x00_eeprom_byte(rt2x00dev,
3465 EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5G);
3466 else if (channel >= 140 && channel <= 165)
3467 cal = rt2x00_eeprom_byte(rt2x00dev,
3468 EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5G);
3469 else
3470 cal = 0;
3471 rt2800_bbp_write(rt2x00dev, 159, cal);
3472
3473 /* TX1 IQ Gain */
3474 rt2800_bbp_write(rt2x00dev, 158, 0x4a);
3475 if (channel <= 14)
3476 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_2G);
3477 else if (channel >= 36 && channel <= 64)
3478 cal = rt2x00_eeprom_byte(rt2x00dev,
3479 EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5G);
3480 else if (channel >= 100 && channel <= 138)
3481 cal = rt2x00_eeprom_byte(rt2x00dev,
3482 EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5G);
3483 else if (channel >= 140 && channel <= 165)
3484 cal = rt2x00_eeprom_byte(rt2x00dev,
3485 EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5G);
3486 else
3487 cal = 0;
3488 rt2800_bbp_write(rt2x00dev, 159, cal);
3489
3490 /* TX1 IQ Phase */
3491 rt2800_bbp_write(rt2x00dev, 158, 0x4b);
3492 if (channel <= 14)
3493 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_2G);
3494 else if (channel >= 36 && channel <= 64)
3495 cal = rt2x00_eeprom_byte(rt2x00dev,
3496 EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5G);
3497 else if (channel >= 100 && channel <= 138)
3498 cal = rt2x00_eeprom_byte(rt2x00dev,
3499 EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5G);
3500 else if (channel >= 140 && channel <= 165)
3501 cal = rt2x00_eeprom_byte(rt2x00dev,
3502 EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5G);
3503 else
3504 cal = 0;
3505 rt2800_bbp_write(rt2x00dev, 159, cal);
3506
3507 /* FIXME: possible RX0, RX1 callibration ? */
3508
3509 /* RF IQ compensation control */
3510 rt2800_bbp_write(rt2x00dev, 158, 0x04);
3511 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_COMPENSATION_CONTROL);
3512 rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
3513
3514 /* RF IQ imbalance compensation control */
3515 rt2800_bbp_write(rt2x00dev, 158, 0x03);
3516 cal = rt2x00_eeprom_byte(rt2x00dev,
3517 EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CONTROL);
3518 rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
3519 }
3520
rt2800_txpower_to_dev(struct rt2x00_dev * rt2x00dev,unsigned int channel,char txpower)3521 static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
3522 unsigned int channel,
3523 char txpower)
3524 {
3525 if (rt2x00_rt(rt2x00dev, RT3593))
3526 txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC);
3527
3528 if (channel <= 14)
3529 return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
3530
3531 if (rt2x00_rt(rt2x00dev, RT3593))
3532 return clamp_t(char, txpower, MIN_A_TXPOWER_3593,
3533 MAX_A_TXPOWER_3593);
3534 else
3535 return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
3536 }
3537
rt2800_config_channel(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)3538 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
3539 struct ieee80211_conf *conf,
3540 struct rf_channel *rf,
3541 struct channel_info *info)
3542 {
3543 u32 reg;
3544 u32 tx_pin;
3545 u8 bbp, rfcsr;
3546
3547 info->default_power1 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3548 info->default_power1);
3549 info->default_power2 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3550 info->default_power2);
3551 if (rt2x00dev->default_ant.tx_chain_num > 2)
3552 info->default_power3 =
3553 rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3554 info->default_power3);
3555
3556 switch (rt2x00dev->chip.rf) {
3557 case RF2020:
3558 case RF3020:
3559 case RF3021:
3560 case RF3022:
3561 case RF3320:
3562 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
3563 break;
3564 case RF3052:
3565 rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
3566 break;
3567 case RF3053:
3568 rt2800_config_channel_rf3053(rt2x00dev, conf, rf, info);
3569 break;
3570 case RF3290:
3571 rt2800_config_channel_rf3290(rt2x00dev, conf, rf, info);
3572 break;
3573 case RF3322:
3574 rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info);
3575 break;
3576 case RF3070:
3577 case RF5350:
3578 case RF5360:
3579 case RF5362:
3580 case RF5370:
3581 case RF5372:
3582 case RF5390:
3583 case RF5392:
3584 rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
3585 break;
3586 case RF5592:
3587 rt2800_config_channel_rf55xx(rt2x00dev, conf, rf, info);
3588 break;
3589 case RF7620:
3590 rt2800_config_channel_rf7620(rt2x00dev, conf, rf, info);
3591 break;
3592 default:
3593 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
3594 }
3595
3596 if (rt2x00_rf(rt2x00dev, RF3070) ||
3597 rt2x00_rf(rt2x00dev, RF3290) ||
3598 rt2x00_rf(rt2x00dev, RF3322) ||
3599 rt2x00_rf(rt2x00dev, RF5350) ||
3600 rt2x00_rf(rt2x00dev, RF5360) ||
3601 rt2x00_rf(rt2x00dev, RF5362) ||
3602 rt2x00_rf(rt2x00dev, RF5370) ||
3603 rt2x00_rf(rt2x00dev, RF5372) ||
3604 rt2x00_rf(rt2x00dev, RF5390) ||
3605 rt2x00_rf(rt2x00dev, RF5392)) {
3606 rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
3607 if (rt2x00_rf(rt2x00dev, RF3322)) {
3608 rt2x00_set_field8(&rfcsr, RF3322_RFCSR30_TX_H20M,
3609 conf_is_ht40(conf));
3610 rt2x00_set_field8(&rfcsr, RF3322_RFCSR30_RX_H20M,
3611 conf_is_ht40(conf));
3612 } else {
3613 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M,
3614 conf_is_ht40(conf));
3615 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M,
3616 conf_is_ht40(conf));
3617 }
3618 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3619
3620 rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
3621 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
3622 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
3623 }
3624
3625 /*
3626 * Change BBP settings
3627 */
3628
3629 if (rt2x00_rt(rt2x00dev, RT3352)) {
3630 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3631 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3632 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3633
3634 rt2800_bbp_write(rt2x00dev, 27, 0x0);
3635 rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
3636 rt2800_bbp_write(rt2x00dev, 27, 0x20);
3637 rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
3638 rt2800_bbp_write(rt2x00dev, 86, 0x38);
3639 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
3640 } else if (rt2x00_rt(rt2x00dev, RT3593)) {
3641 if (rf->channel > 14) {
3642 /* Disable CCK Packet detection on 5GHz */
3643 rt2800_bbp_write(rt2x00dev, 70, 0x00);
3644 } else {
3645 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3646 }
3647
3648 if (conf_is_ht40(conf))
3649 rt2800_bbp_write(rt2x00dev, 105, 0x04);
3650 else
3651 rt2800_bbp_write(rt2x00dev, 105, 0x34);
3652
3653 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3654 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3655 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3656 rt2800_bbp_write(rt2x00dev, 77, 0x98);
3657 } else {
3658 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3659 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3660 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3661 rt2800_bbp_write(rt2x00dev, 86, 0);
3662 }
3663
3664 if (rf->channel <= 14) {
3665 if (!rt2x00_rt(rt2x00dev, RT5390) &&
3666 !rt2x00_rt(rt2x00dev, RT5392) &&
3667 !rt2x00_rt(rt2x00dev, RT6352)) {
3668 if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
3669 rt2800_bbp_write(rt2x00dev, 82, 0x62);
3670 rt2800_bbp_write(rt2x00dev, 75, 0x46);
3671 } else {
3672 if (rt2x00_rt(rt2x00dev, RT3593))
3673 rt2800_bbp_write(rt2x00dev, 82, 0x62);
3674 else
3675 rt2800_bbp_write(rt2x00dev, 82, 0x84);
3676 rt2800_bbp_write(rt2x00dev, 75, 0x50);
3677 }
3678 if (rt2x00_rt(rt2x00dev, RT3593))
3679 rt2800_bbp_write(rt2x00dev, 83, 0x8a);
3680 }
3681
3682 } else {
3683 if (rt2x00_rt(rt2x00dev, RT3572))
3684 rt2800_bbp_write(rt2x00dev, 82, 0x94);
3685 else if (rt2x00_rt(rt2x00dev, RT3593))
3686 rt2800_bbp_write(rt2x00dev, 82, 0x82);
3687 else if (!rt2x00_rt(rt2x00dev, RT6352))
3688 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
3689
3690 if (rt2x00_rt(rt2x00dev, RT3593))
3691 rt2800_bbp_write(rt2x00dev, 83, 0x9a);
3692
3693 if (rt2x00_has_cap_external_lna_a(rt2x00dev))
3694 rt2800_bbp_write(rt2x00dev, 75, 0x46);
3695 else
3696 rt2800_bbp_write(rt2x00dev, 75, 0x50);
3697 }
3698
3699 reg = rt2800_register_read(rt2x00dev, TX_BAND_CFG);
3700 rt2x00_set_field32(®, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
3701 rt2x00_set_field32(®, TX_BAND_CFG_A, rf->channel > 14);
3702 rt2x00_set_field32(®, TX_BAND_CFG_BG, rf->channel <= 14);
3703 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
3704
3705 if (rt2x00_rt(rt2x00dev, RT3572))
3706 rt2800_rfcsr_write(rt2x00dev, 8, 0);
3707
3708 if (rt2x00_rt(rt2x00dev, RT6352))
3709 tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
3710 else
3711 tx_pin = 0;
3712
3713 switch (rt2x00dev->default_ant.tx_chain_num) {
3714 case 3:
3715 /* Turn on tertiary PAs */
3716 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN,
3717 rf->channel > 14);
3718 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN,
3719 rf->channel <= 14);
3720 /* fall-through */
3721 case 2:
3722 /* Turn on secondary PAs */
3723 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
3724 rf->channel > 14);
3725 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
3726 rf->channel <= 14);
3727 /* fall-through */
3728 case 1:
3729 /* Turn on primary PAs */
3730 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN,
3731 rf->channel > 14);
3732 if (rt2x00_has_cap_bt_coexist(rt2x00dev))
3733 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
3734 else
3735 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
3736 rf->channel <= 14);
3737 break;
3738 }
3739
3740 switch (rt2x00dev->default_ant.rx_chain_num) {
3741 case 3:
3742 /* Turn on tertiary LNAs */
3743 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
3744 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
3745 /* fall-through */
3746 case 2:
3747 /* Turn on secondary LNAs */
3748 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
3749 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
3750 /* fall-through */
3751 case 1:
3752 /* Turn on primary LNAs */
3753 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
3754 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
3755 break;
3756 }
3757
3758 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
3759 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
3760 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1); /* mt7620 */
3761
3762 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
3763
3764 if (rt2x00_rt(rt2x00dev, RT3572)) {
3765 rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
3766
3767 /* AGC init */
3768 if (rf->channel <= 14)
3769 reg = 0x1c + (2 * rt2x00dev->lna_gain);
3770 else
3771 reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3);
3772
3773 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3774 }
3775
3776 if (rt2x00_rt(rt2x00dev, RT3593)) {
3777 reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
3778
3779 /* Band selection */
3780 if (rt2x00_is_usb(rt2x00dev) ||
3781 rt2x00_is_pcie(rt2x00dev)) {
3782 /* GPIO #8 controls all paths */
3783 rt2x00_set_field32(®, GPIO_CTRL_DIR8, 0);
3784 if (rf->channel <= 14)
3785 rt2x00_set_field32(®, GPIO_CTRL_VAL8, 1);
3786 else
3787 rt2x00_set_field32(®, GPIO_CTRL_VAL8, 0);
3788 }
3789
3790 /* LNA PE control. */
3791 if (rt2x00_is_usb(rt2x00dev)) {
3792 /* GPIO #4 controls PE0 and PE1,
3793 * GPIO #7 controls PE2
3794 */
3795 rt2x00_set_field32(®, GPIO_CTRL_DIR4, 0);
3796 rt2x00_set_field32(®, GPIO_CTRL_DIR7, 0);
3797
3798 rt2x00_set_field32(®, GPIO_CTRL_VAL4, 1);
3799 rt2x00_set_field32(®, GPIO_CTRL_VAL7, 1);
3800 } else if (rt2x00_is_pcie(rt2x00dev)) {
3801 /* GPIO #4 controls PE0, PE1 and PE2 */
3802 rt2x00_set_field32(®, GPIO_CTRL_DIR4, 0);
3803 rt2x00_set_field32(®, GPIO_CTRL_VAL4, 1);
3804 }
3805
3806 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
3807
3808 /* AGC init */
3809 if (rf->channel <= 14)
3810 reg = 0x1c + 2 * rt2x00dev->lna_gain;
3811 else
3812 reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3);
3813
3814 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3815
3816 usleep_range(1000, 1500);
3817 }
3818
3819 if (rt2x00_rt(rt2x00dev, RT5592) || rt2x00_rt(rt2x00dev, RT6352)) {
3820 reg = 0x10;
3821 if (!conf_is_ht40(conf)) {
3822 if (rt2x00_rt(rt2x00dev, RT6352) &&
3823 rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
3824 reg |= 0x5;
3825 } else {
3826 reg |= 0xa;
3827 }
3828 }
3829 rt2800_bbp_write(rt2x00dev, 195, 141);
3830 rt2800_bbp_write(rt2x00dev, 196, reg);
3831
3832 /* AGC init */
3833 if (rt2x00_rt(rt2x00dev, RT6352))
3834 reg = 0x04;
3835 else
3836 reg = rf->channel <= 14 ? 0x1c : 0x24;
3837
3838 reg += 2 * rt2x00dev->lna_gain;
3839 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3840
3841 rt2800_iq_calibrate(rt2x00dev, rf->channel);
3842 }
3843
3844 bbp = rt2800_bbp_read(rt2x00dev, 4);
3845 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
3846 rt2800_bbp_write(rt2x00dev, 4, bbp);
3847
3848 bbp = rt2800_bbp_read(rt2x00dev, 3);
3849 rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
3850 rt2800_bbp_write(rt2x00dev, 3, bbp);
3851
3852 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
3853 if (conf_is_ht40(conf)) {
3854 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
3855 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3856 rt2800_bbp_write(rt2x00dev, 73, 0x16);
3857 } else {
3858 rt2800_bbp_write(rt2x00dev, 69, 0x16);
3859 rt2800_bbp_write(rt2x00dev, 70, 0x08);
3860 rt2800_bbp_write(rt2x00dev, 73, 0x11);
3861 }
3862 }
3863
3864 usleep_range(1000, 1500);
3865
3866 /*
3867 * Clear channel statistic counters
3868 */
3869 reg = rt2800_register_read(rt2x00dev, CH_IDLE_STA);
3870 reg = rt2800_register_read(rt2x00dev, CH_BUSY_STA);
3871 reg = rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC);
3872
3873 /*
3874 * Clear update flag
3875 */
3876 if (rt2x00_rt(rt2x00dev, RT3352) ||
3877 rt2x00_rt(rt2x00dev, RT5350)) {
3878 bbp = rt2800_bbp_read(rt2x00dev, 49);
3879 rt2x00_set_field8(&bbp, BBP49_UPDATE_FLAG, 0);
3880 rt2800_bbp_write(rt2x00dev, 49, bbp);
3881 }
3882 }
3883
rt2800_get_gain_calibration_delta(struct rt2x00_dev * rt2x00dev)3884 static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
3885 {
3886 u8 tssi_bounds[9];
3887 u8 current_tssi;
3888 u16 eeprom;
3889 u8 step;
3890 int i;
3891
3892 /*
3893 * First check if temperature compensation is supported.
3894 */
3895 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
3896 if (!rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC))
3897 return 0;
3898
3899 /*
3900 * Read TSSI boundaries for temperature compensation from
3901 * the EEPROM.
3902 *
3903 * Array idx 0 1 2 3 4 5 6 7 8
3904 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4
3905 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
3906 */
3907 if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) {
3908 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1);
3909 tssi_bounds[0] = rt2x00_get_field16(eeprom,
3910 EEPROM_TSSI_BOUND_BG1_MINUS4);
3911 tssi_bounds[1] = rt2x00_get_field16(eeprom,
3912 EEPROM_TSSI_BOUND_BG1_MINUS3);
3913
3914 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2);
3915 tssi_bounds[2] = rt2x00_get_field16(eeprom,
3916 EEPROM_TSSI_BOUND_BG2_MINUS2);
3917 tssi_bounds[3] = rt2x00_get_field16(eeprom,
3918 EEPROM_TSSI_BOUND_BG2_MINUS1);
3919
3920 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3);
3921 tssi_bounds[4] = rt2x00_get_field16(eeprom,
3922 EEPROM_TSSI_BOUND_BG3_REF);
3923 tssi_bounds[5] = rt2x00_get_field16(eeprom,
3924 EEPROM_TSSI_BOUND_BG3_PLUS1);
3925
3926 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4);
3927 tssi_bounds[6] = rt2x00_get_field16(eeprom,
3928 EEPROM_TSSI_BOUND_BG4_PLUS2);
3929 tssi_bounds[7] = rt2x00_get_field16(eeprom,
3930 EEPROM_TSSI_BOUND_BG4_PLUS3);
3931
3932 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5);
3933 tssi_bounds[8] = rt2x00_get_field16(eeprom,
3934 EEPROM_TSSI_BOUND_BG5_PLUS4);
3935
3936 step = rt2x00_get_field16(eeprom,
3937 EEPROM_TSSI_BOUND_BG5_AGC_STEP);
3938 } else {
3939 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1);
3940 tssi_bounds[0] = rt2x00_get_field16(eeprom,
3941 EEPROM_TSSI_BOUND_A1_MINUS4);
3942 tssi_bounds[1] = rt2x00_get_field16(eeprom,
3943 EEPROM_TSSI_BOUND_A1_MINUS3);
3944
3945 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2);
3946 tssi_bounds[2] = rt2x00_get_field16(eeprom,
3947 EEPROM_TSSI_BOUND_A2_MINUS2);
3948 tssi_bounds[3] = rt2x00_get_field16(eeprom,
3949 EEPROM_TSSI_BOUND_A2_MINUS1);
3950
3951 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3);
3952 tssi_bounds[4] = rt2x00_get_field16(eeprom,
3953 EEPROM_TSSI_BOUND_A3_REF);
3954 tssi_bounds[5] = rt2x00_get_field16(eeprom,
3955 EEPROM_TSSI_BOUND_A3_PLUS1);
3956
3957 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4);
3958 tssi_bounds[6] = rt2x00_get_field16(eeprom,
3959 EEPROM_TSSI_BOUND_A4_PLUS2);
3960 tssi_bounds[7] = rt2x00_get_field16(eeprom,
3961 EEPROM_TSSI_BOUND_A4_PLUS3);
3962
3963 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5);
3964 tssi_bounds[8] = rt2x00_get_field16(eeprom,
3965 EEPROM_TSSI_BOUND_A5_PLUS4);
3966
3967 step = rt2x00_get_field16(eeprom,
3968 EEPROM_TSSI_BOUND_A5_AGC_STEP);
3969 }
3970
3971 /*
3972 * Check if temperature compensation is supported.
3973 */
3974 if (tssi_bounds[4] == 0xff || step == 0xff)
3975 return 0;
3976
3977 /*
3978 * Read current TSSI (BBP 49).
3979 */
3980 current_tssi = rt2800_bbp_read(rt2x00dev, 49);
3981
3982 /*
3983 * Compare TSSI value (BBP49) with the compensation boundaries
3984 * from the EEPROM and increase or decrease tx power.
3985 */
3986 for (i = 0; i <= 3; i++) {
3987 if (current_tssi > tssi_bounds[i])
3988 break;
3989 }
3990
3991 if (i == 4) {
3992 for (i = 8; i >= 5; i--) {
3993 if (current_tssi < tssi_bounds[i])
3994 break;
3995 }
3996 }
3997
3998 return (i - 4) * step;
3999 }
4000
rt2800_get_txpower_bw_comp(struct rt2x00_dev * rt2x00dev,enum nl80211_band band)4001 static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
4002 enum nl80211_band band)
4003 {
4004 u16 eeprom;
4005 u8 comp_en;
4006 u8 comp_type;
4007 int comp_value = 0;
4008
4009 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA);
4010
4011 /*
4012 * HT40 compensation not required.
4013 */
4014 if (eeprom == 0xffff ||
4015 !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
4016 return 0;
4017
4018 if (band == NL80211_BAND_2GHZ) {
4019 comp_en = rt2x00_get_field16(eeprom,
4020 EEPROM_TXPOWER_DELTA_ENABLE_2G);
4021 if (comp_en) {
4022 comp_type = rt2x00_get_field16(eeprom,
4023 EEPROM_TXPOWER_DELTA_TYPE_2G);
4024 comp_value = rt2x00_get_field16(eeprom,
4025 EEPROM_TXPOWER_DELTA_VALUE_2G);
4026 if (!comp_type)
4027 comp_value = -comp_value;
4028 }
4029 } else {
4030 comp_en = rt2x00_get_field16(eeprom,
4031 EEPROM_TXPOWER_DELTA_ENABLE_5G);
4032 if (comp_en) {
4033 comp_type = rt2x00_get_field16(eeprom,
4034 EEPROM_TXPOWER_DELTA_TYPE_5G);
4035 comp_value = rt2x00_get_field16(eeprom,
4036 EEPROM_TXPOWER_DELTA_VALUE_5G);
4037 if (!comp_type)
4038 comp_value = -comp_value;
4039 }
4040 }
4041
4042 return comp_value;
4043 }
4044
rt2800_get_txpower_reg_delta(struct rt2x00_dev * rt2x00dev,int power_level,int max_power)4045 static int rt2800_get_txpower_reg_delta(struct rt2x00_dev *rt2x00dev,
4046 int power_level, int max_power)
4047 {
4048 int delta;
4049
4050 if (rt2x00_has_cap_power_limit(rt2x00dev))
4051 return 0;
4052
4053 /*
4054 * XXX: We don't know the maximum transmit power of our hardware since
4055 * the EEPROM doesn't expose it. We only know that we are calibrated
4056 * to 100% tx power.
4057 *
4058 * Hence, we assume the regulatory limit that cfg80211 calulated for
4059 * the current channel is our maximum and if we are requested to lower
4060 * the value we just reduce our tx power accordingly.
4061 */
4062 delta = power_level - max_power;
4063 return min(delta, 0);
4064 }
4065
rt2800_compensate_txpower(struct rt2x00_dev * rt2x00dev,int is_rate_b,enum nl80211_band band,int power_level,u8 txpower,int delta)4066 static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
4067 enum nl80211_band band, int power_level,
4068 u8 txpower, int delta)
4069 {
4070 u16 eeprom;
4071 u8 criterion;
4072 u8 eirp_txpower;
4073 u8 eirp_txpower_criterion;
4074 u8 reg_limit;
4075
4076 if (rt2x00_rt(rt2x00dev, RT3593))
4077 return min_t(u8, txpower, 0xc);
4078
4079 if (rt2x00_has_cap_power_limit(rt2x00dev)) {
4080 /*
4081 * Check if eirp txpower exceed txpower_limit.
4082 * We use OFDM 6M as criterion and its eirp txpower
4083 * is stored at EEPROM_EIRP_MAX_TX_POWER.
4084 * .11b data rate need add additional 4dbm
4085 * when calculating eirp txpower.
4086 */
4087 eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
4088 EEPROM_TXPOWER_BYRATE,
4089 1);
4090 criterion = rt2x00_get_field16(eeprom,
4091 EEPROM_TXPOWER_BYRATE_RATE0);
4092
4093 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER);
4094
4095 if (band == NL80211_BAND_2GHZ)
4096 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
4097 EEPROM_EIRP_MAX_TX_POWER_2GHZ);
4098 else
4099 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
4100 EEPROM_EIRP_MAX_TX_POWER_5GHZ);
4101
4102 eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
4103 (is_rate_b ? 4 : 0) + delta;
4104
4105 reg_limit = (eirp_txpower > power_level) ?
4106 (eirp_txpower - power_level) : 0;
4107 } else
4108 reg_limit = 0;
4109
4110 txpower = max(0, txpower + delta - reg_limit);
4111 return min_t(u8, txpower, 0xc);
4112 }
4113
4114
4115 enum {
4116 TX_PWR_CFG_0_IDX,
4117 TX_PWR_CFG_1_IDX,
4118 TX_PWR_CFG_2_IDX,
4119 TX_PWR_CFG_3_IDX,
4120 TX_PWR_CFG_4_IDX,
4121 TX_PWR_CFG_5_IDX,
4122 TX_PWR_CFG_6_IDX,
4123 TX_PWR_CFG_7_IDX,
4124 TX_PWR_CFG_8_IDX,
4125 TX_PWR_CFG_9_IDX,
4126 TX_PWR_CFG_0_EXT_IDX,
4127 TX_PWR_CFG_1_EXT_IDX,
4128 TX_PWR_CFG_2_EXT_IDX,
4129 TX_PWR_CFG_3_EXT_IDX,
4130 TX_PWR_CFG_4_EXT_IDX,
4131 TX_PWR_CFG_IDX_COUNT,
4132 };
4133
rt2800_config_txpower_rt3593(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)4134 static void rt2800_config_txpower_rt3593(struct rt2x00_dev *rt2x00dev,
4135 struct ieee80211_channel *chan,
4136 int power_level)
4137 {
4138 u8 txpower;
4139 u16 eeprom;
4140 u32 regs[TX_PWR_CFG_IDX_COUNT];
4141 unsigned int offset;
4142 enum nl80211_band band = chan->band;
4143 int delta;
4144 int i;
4145
4146 memset(regs, '\0', sizeof(regs));
4147
4148 /* TODO: adapt TX power reduction from the rt28xx code */
4149
4150 /* calculate temperature compensation delta */
4151 delta = rt2800_get_gain_calibration_delta(rt2x00dev);
4152
4153 if (band == NL80211_BAND_5GHZ)
4154 offset = 16;
4155 else
4156 offset = 0;
4157
4158 if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
4159 offset += 8;
4160
4161 /* read the next four txpower values */
4162 eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4163 offset);
4164
4165 /* CCK 1MBS,2MBS */
4166 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4167 txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level,
4168 txpower, delta);
4169 rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX],
4170 TX_PWR_CFG_0_CCK1_CH0, txpower);
4171 rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX],
4172 TX_PWR_CFG_0_CCK1_CH1, txpower);
4173 rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX],
4174 TX_PWR_CFG_0_EXT_CCK1_CH2, txpower);
4175
4176 /* CCK 5.5MBS,11MBS */
4177 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4178 txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level,
4179 txpower, delta);
4180 rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX],
4181 TX_PWR_CFG_0_CCK5_CH0, txpower);
4182 rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX],
4183 TX_PWR_CFG_0_CCK5_CH1, txpower);
4184 rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX],
4185 TX_PWR_CFG_0_EXT_CCK5_CH2, txpower);
4186
4187 /* OFDM 6MBS,9MBS */
4188 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4189 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4190 txpower, delta);
4191 rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX],
4192 TX_PWR_CFG_0_OFDM6_CH0, txpower);
4193 rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX],
4194 TX_PWR_CFG_0_OFDM6_CH1, txpower);
4195 rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX],
4196 TX_PWR_CFG_0_EXT_OFDM6_CH2, txpower);
4197
4198 /* OFDM 12MBS,18MBS */
4199 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4200 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4201 txpower, delta);
4202 rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX],
4203 TX_PWR_CFG_0_OFDM12_CH0, txpower);
4204 rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX],
4205 TX_PWR_CFG_0_OFDM12_CH1, txpower);
4206 rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX],
4207 TX_PWR_CFG_0_EXT_OFDM12_CH2, txpower);
4208
4209 /* read the next four txpower values */
4210 eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4211 offset + 1);
4212
4213 /* OFDM 24MBS,36MBS */
4214 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4215 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4216 txpower, delta);
4217 rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX],
4218 TX_PWR_CFG_1_OFDM24_CH0, txpower);
4219 rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX],
4220 TX_PWR_CFG_1_OFDM24_CH1, txpower);
4221 rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX],
4222 TX_PWR_CFG_1_EXT_OFDM24_CH2, txpower);
4223
4224 /* OFDM 48MBS */
4225 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4226 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4227 txpower, delta);
4228 rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX],
4229 TX_PWR_CFG_1_OFDM48_CH0, txpower);
4230 rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX],
4231 TX_PWR_CFG_1_OFDM48_CH1, txpower);
4232 rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX],
4233 TX_PWR_CFG_1_EXT_OFDM48_CH2, txpower);
4234
4235 /* OFDM 54MBS */
4236 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4237 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4238 txpower, delta);
4239 rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX],
4240 TX_PWR_CFG_7_OFDM54_CH0, txpower);
4241 rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX],
4242 TX_PWR_CFG_7_OFDM54_CH1, txpower);
4243 rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX],
4244 TX_PWR_CFG_7_OFDM54_CH2, txpower);
4245
4246 /* read the next four txpower values */
4247 eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4248 offset + 2);
4249
4250 /* MCS 0,1 */
4251 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4252 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4253 txpower, delta);
4254 rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX],
4255 TX_PWR_CFG_1_MCS0_CH0, txpower);
4256 rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX],
4257 TX_PWR_CFG_1_MCS0_CH1, txpower);
4258 rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX],
4259 TX_PWR_CFG_1_EXT_MCS0_CH2, txpower);
4260
4261 /* MCS 2,3 */
4262 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4263 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4264 txpower, delta);
4265 rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX],
4266 TX_PWR_CFG_1_MCS2_CH0, txpower);
4267 rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX],
4268 TX_PWR_CFG_1_MCS2_CH1, txpower);
4269 rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX],
4270 TX_PWR_CFG_1_EXT_MCS2_CH2, txpower);
4271
4272 /* MCS 4,5 */
4273 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4274 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4275 txpower, delta);
4276 rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX],
4277 TX_PWR_CFG_2_MCS4_CH0, txpower);
4278 rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX],
4279 TX_PWR_CFG_2_MCS4_CH1, txpower);
4280 rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX],
4281 TX_PWR_CFG_2_EXT_MCS4_CH2, txpower);
4282
4283 /* MCS 6 */
4284 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4285 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4286 txpower, delta);
4287 rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX],
4288 TX_PWR_CFG_2_MCS6_CH0, txpower);
4289 rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX],
4290 TX_PWR_CFG_2_MCS6_CH1, txpower);
4291 rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX],
4292 TX_PWR_CFG_2_EXT_MCS6_CH2, txpower);
4293
4294 /* read the next four txpower values */
4295 eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4296 offset + 3);
4297
4298 /* MCS 7 */
4299 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4300 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4301 txpower, delta);
4302 rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX],
4303 TX_PWR_CFG_7_MCS7_CH0, txpower);
4304 rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX],
4305 TX_PWR_CFG_7_MCS7_CH1, txpower);
4306 rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX],
4307 TX_PWR_CFG_7_MCS7_CH2, txpower);
4308
4309 /* MCS 8,9 */
4310 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4311 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4312 txpower, delta);
4313 rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX],
4314 TX_PWR_CFG_2_MCS8_CH0, txpower);
4315 rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX],
4316 TX_PWR_CFG_2_MCS8_CH1, txpower);
4317 rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX],
4318 TX_PWR_CFG_2_EXT_MCS8_CH2, txpower);
4319
4320 /* MCS 10,11 */
4321 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4322 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4323 txpower, delta);
4324 rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX],
4325 TX_PWR_CFG_2_MCS10_CH0, txpower);
4326 rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX],
4327 TX_PWR_CFG_2_MCS10_CH1, txpower);
4328 rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX],
4329 TX_PWR_CFG_2_EXT_MCS10_CH2, txpower);
4330
4331 /* MCS 12,13 */
4332 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4333 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4334 txpower, delta);
4335 rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX],
4336 TX_PWR_CFG_3_MCS12_CH0, txpower);
4337 rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX],
4338 TX_PWR_CFG_3_MCS12_CH1, txpower);
4339 rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX],
4340 TX_PWR_CFG_3_EXT_MCS12_CH2, txpower);
4341
4342 /* read the next four txpower values */
4343 eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4344 offset + 4);
4345
4346 /* MCS 14 */
4347 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4348 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4349 txpower, delta);
4350 rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX],
4351 TX_PWR_CFG_3_MCS14_CH0, txpower);
4352 rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX],
4353 TX_PWR_CFG_3_MCS14_CH1, txpower);
4354 rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX],
4355 TX_PWR_CFG_3_EXT_MCS14_CH2, txpower);
4356
4357 /* MCS 15 */
4358 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4359 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4360 txpower, delta);
4361 rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX],
4362 TX_PWR_CFG_8_MCS15_CH0, txpower);
4363 rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX],
4364 TX_PWR_CFG_8_MCS15_CH1, txpower);
4365 rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX],
4366 TX_PWR_CFG_8_MCS15_CH2, txpower);
4367
4368 /* MCS 16,17 */
4369 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4370 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4371 txpower, delta);
4372 rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX],
4373 TX_PWR_CFG_5_MCS16_CH0, txpower);
4374 rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX],
4375 TX_PWR_CFG_5_MCS16_CH1, txpower);
4376 rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX],
4377 TX_PWR_CFG_5_MCS16_CH2, txpower);
4378
4379 /* MCS 18,19 */
4380 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4381 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4382 txpower, delta);
4383 rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX],
4384 TX_PWR_CFG_5_MCS18_CH0, txpower);
4385 rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX],
4386 TX_PWR_CFG_5_MCS18_CH1, txpower);
4387 rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX],
4388 TX_PWR_CFG_5_MCS18_CH2, txpower);
4389
4390 /* read the next four txpower values */
4391 eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4392 offset + 5);
4393
4394 /* MCS 20,21 */
4395 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4396 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4397 txpower, delta);
4398 rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX],
4399 TX_PWR_CFG_6_MCS20_CH0, txpower);
4400 rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX],
4401 TX_PWR_CFG_6_MCS20_CH1, txpower);
4402 rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX],
4403 TX_PWR_CFG_6_MCS20_CH2, txpower);
4404
4405 /* MCS 22 */
4406 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4407 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4408 txpower, delta);
4409 rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX],
4410 TX_PWR_CFG_6_MCS22_CH0, txpower);
4411 rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX],
4412 TX_PWR_CFG_6_MCS22_CH1, txpower);
4413 rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX],
4414 TX_PWR_CFG_6_MCS22_CH2, txpower);
4415
4416 /* MCS 23 */
4417 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4418 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4419 txpower, delta);
4420 rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX],
4421 TX_PWR_CFG_8_MCS23_CH0, txpower);
4422 rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX],
4423 TX_PWR_CFG_8_MCS23_CH1, txpower);
4424 rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX],
4425 TX_PWR_CFG_8_MCS23_CH2, txpower);
4426
4427 /* read the next four txpower values */
4428 eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4429 offset + 6);
4430
4431 /* STBC, MCS 0,1 */
4432 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4433 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4434 txpower, delta);
4435 rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX],
4436 TX_PWR_CFG_3_STBC0_CH0, txpower);
4437 rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX],
4438 TX_PWR_CFG_3_STBC0_CH1, txpower);
4439 rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX],
4440 TX_PWR_CFG_3_EXT_STBC0_CH2, txpower);
4441
4442 /* STBC, MCS 2,3 */
4443 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4444 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4445 txpower, delta);
4446 rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX],
4447 TX_PWR_CFG_3_STBC2_CH0, txpower);
4448 rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX],
4449 TX_PWR_CFG_3_STBC2_CH1, txpower);
4450 rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX],
4451 TX_PWR_CFG_3_EXT_STBC2_CH2, txpower);
4452
4453 /* STBC, MCS 4,5 */
4454 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4455 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4456 txpower, delta);
4457 rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE0, txpower);
4458 rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE1, txpower);
4459 rt2x00_set_field32(®s[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE0,
4460 txpower);
4461
4462 /* STBC, MCS 6 */
4463 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4464 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4465 txpower, delta);
4466 rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE2, txpower);
4467 rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE3, txpower);
4468 rt2x00_set_field32(®s[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE2,
4469 txpower);
4470
4471 /* read the next four txpower values */
4472 eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4473 offset + 7);
4474
4475 /* STBC, MCS 7 */
4476 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4477 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4478 txpower, delta);
4479 rt2x00_set_field32(®s[TX_PWR_CFG_9_IDX],
4480 TX_PWR_CFG_9_STBC7_CH0, txpower);
4481 rt2x00_set_field32(®s[TX_PWR_CFG_9_IDX],
4482 TX_PWR_CFG_9_STBC7_CH1, txpower);
4483 rt2x00_set_field32(®s[TX_PWR_CFG_9_IDX],
4484 TX_PWR_CFG_9_STBC7_CH2, txpower);
4485
4486 rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, regs[TX_PWR_CFG_0_IDX]);
4487 rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, regs[TX_PWR_CFG_1_IDX]);
4488 rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, regs[TX_PWR_CFG_2_IDX]);
4489 rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, regs[TX_PWR_CFG_3_IDX]);
4490 rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, regs[TX_PWR_CFG_4_IDX]);
4491 rt2800_register_write(rt2x00dev, TX_PWR_CFG_5, regs[TX_PWR_CFG_5_IDX]);
4492 rt2800_register_write(rt2x00dev, TX_PWR_CFG_6, regs[TX_PWR_CFG_6_IDX]);
4493 rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, regs[TX_PWR_CFG_7_IDX]);
4494 rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, regs[TX_PWR_CFG_8_IDX]);
4495 rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, regs[TX_PWR_CFG_9_IDX]);
4496
4497 rt2800_register_write(rt2x00dev, TX_PWR_CFG_0_EXT,
4498 regs[TX_PWR_CFG_0_EXT_IDX]);
4499 rt2800_register_write(rt2x00dev, TX_PWR_CFG_1_EXT,
4500 regs[TX_PWR_CFG_1_EXT_IDX]);
4501 rt2800_register_write(rt2x00dev, TX_PWR_CFG_2_EXT,
4502 regs[TX_PWR_CFG_2_EXT_IDX]);
4503 rt2800_register_write(rt2x00dev, TX_PWR_CFG_3_EXT,
4504 regs[TX_PWR_CFG_3_EXT_IDX]);
4505 rt2800_register_write(rt2x00dev, TX_PWR_CFG_4_EXT,
4506 regs[TX_PWR_CFG_4_EXT_IDX]);
4507
4508 for (i = 0; i < TX_PWR_CFG_IDX_COUNT; i++)
4509 rt2x00_dbg(rt2x00dev,
4510 "band:%cGHz, BW:%c0MHz, TX_PWR_CFG_%d%s = %08lx\n",
4511 (band == NL80211_BAND_5GHZ) ? '5' : '2',
4512 (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) ?
4513 '4' : '2',
4514 (i > TX_PWR_CFG_9_IDX) ?
4515 (i - TX_PWR_CFG_9_IDX - 1) : i,
4516 (i > TX_PWR_CFG_9_IDX) ? "_EXT" : "",
4517 (unsigned long) regs[i]);
4518 }
4519
rt2800_config_txpower_rt6352(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)4520 static void rt2800_config_txpower_rt6352(struct rt2x00_dev *rt2x00dev,
4521 struct ieee80211_channel *chan,
4522 int power_level)
4523 {
4524 u32 reg, pwreg;
4525 u16 eeprom;
4526 u32 data, gdata;
4527 u8 t, i;
4528 enum nl80211_band band = chan->band;
4529 int delta;
4530
4531 /* Warn user if bw_comp is set in EEPROM */
4532 delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
4533
4534 if (delta)
4535 rt2x00_warn(rt2x00dev, "ignoring EEPROM HT40 power delta: %d\n",
4536 delta);
4537
4538 /* populate TX_PWR_CFG_0 up to TX_PWR_CFG_4 from EEPROM for HT20, limit
4539 * value to 0x3f and replace 0x20 by 0x21 as this is what the vendor
4540 * driver does as well, though it looks kinda wrong.
4541 * Maybe some misunderstanding of what a signed 8-bit value is? Maybe
4542 * the hardware has a problem handling 0x20, and as the code initially
4543 * used a fixed offset between HT20 and HT40 rates they had to work-
4544 * around that issue and most likely just forgot about it later on.
4545 * Maybe we should use rt2800_get_txpower_bw_comp() here as well,
4546 * however, the corresponding EEPROM value is not respected by the
4547 * vendor driver, so maybe this is rather being taken care of the
4548 * TXALC and the driver doesn't need to handle it...?
4549 * Though this is all very awkward, just do as they did, as that's what
4550 * board vendors expected when they populated the EEPROM...
4551 */
4552 for (i = 0; i < 5; i++) {
4553 eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
4554 EEPROM_TXPOWER_BYRATE,
4555 i * 2);
4556
4557 data = eeprom;
4558
4559 t = eeprom & 0x3f;
4560 if (t == 32)
4561 t++;
4562
4563 gdata = t;
4564
4565 t = (eeprom & 0x3f00) >> 8;
4566 if (t == 32)
4567 t++;
4568
4569 gdata |= (t << 8);
4570
4571 eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
4572 EEPROM_TXPOWER_BYRATE,
4573 (i * 2) + 1);
4574
4575 t = eeprom & 0x3f;
4576 if (t == 32)
4577 t++;
4578
4579 gdata |= (t << 16);
4580
4581 t = (eeprom & 0x3f00) >> 8;
4582 if (t == 32)
4583 t++;
4584
4585 gdata |= (t << 24);
4586 data |= (eeprom << 16);
4587
4588 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) {
4589 /* HT20 */
4590 if (data != 0xffffffff)
4591 rt2800_register_write(rt2x00dev,
4592 TX_PWR_CFG_0 + (i * 4),
4593 data);
4594 } else {
4595 /* HT40 */
4596 if (gdata != 0xffffffff)
4597 rt2800_register_write(rt2x00dev,
4598 TX_PWR_CFG_0 + (i * 4),
4599 gdata);
4600 }
4601 }
4602
4603 /* Aparently Ralink ran out of space in the BYRATE calibration section
4604 * of the EERPOM which is copied to the corresponding TX_PWR_CFG_x
4605 * registers. As recent 2T chips use 8-bit instead of 4-bit values for
4606 * power-offsets more space would be needed. Ralink decided to keep the
4607 * EEPROM layout untouched and rather have some shared values covering
4608 * multiple bitrates.
4609 * Populate the registers not covered by the EEPROM in the same way the
4610 * vendor driver does.
4611 */
4612
4613 /* For OFDM 54MBS use value from OFDM 48MBS */
4614 pwreg = 0;
4615 reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_1);
4616 t = rt2x00_get_field32(reg, TX_PWR_CFG_1B_48MBS);
4617 rt2x00_set_field32(&pwreg, TX_PWR_CFG_7B_54MBS, t);
4618
4619 /* For MCS 7 use value from MCS 6 */
4620 reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_2);
4621 t = rt2x00_get_field32(reg, TX_PWR_CFG_2B_MCS6_MCS7);
4622 rt2x00_set_field32(&pwreg, TX_PWR_CFG_7B_MCS7, t);
4623 rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, pwreg);
4624
4625 /* For MCS 15 use value from MCS 14 */
4626 pwreg = 0;
4627 reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_3);
4628 t = rt2x00_get_field32(reg, TX_PWR_CFG_3B_MCS14);
4629 rt2x00_set_field32(&pwreg, TX_PWR_CFG_8B_MCS15, t);
4630 rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, pwreg);
4631
4632 /* For STBC MCS 7 use value from STBC MCS 6 */
4633 pwreg = 0;
4634 reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_4);
4635 t = rt2x00_get_field32(reg, TX_PWR_CFG_4B_STBC_MCS6);
4636 rt2x00_set_field32(&pwreg, TX_PWR_CFG_9B_STBC_MCS7, t);
4637 rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, pwreg);
4638
4639 rt2800_config_alc(rt2x00dev, chan, power_level);
4640
4641 /* TODO: temperature compensation code! */
4642 }
4643
4644 /*
4645 * We configure transmit power using MAC TX_PWR_CFG_{0,...,N} registers and
4646 * BBP R1 register. TX_PWR_CFG_X allow to configure per rate TX power values,
4647 * 4 bits for each rate (tune from 0 to 15 dBm). BBP_R1 controls transmit power
4648 * for all rates, but allow to set only 4 discrete values: -12, -6, 0 and 6 dBm.
4649 * Reference per rate transmit power values are located in the EEPROM at
4650 * EEPROM_TXPOWER_BYRATE offset. We adjust them and BBP R1 settings according to
4651 * current conditions (i.e. band, bandwidth, temperature, user settings).
4652 */
rt2800_config_txpower_rt28xx(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)4653 static void rt2800_config_txpower_rt28xx(struct rt2x00_dev *rt2x00dev,
4654 struct ieee80211_channel *chan,
4655 int power_level)
4656 {
4657 u8 txpower, r1;
4658 u16 eeprom;
4659 u32 reg, offset;
4660 int i, is_rate_b, delta, power_ctrl;
4661 enum nl80211_band band = chan->band;
4662
4663 /*
4664 * Calculate HT40 compensation. For 40MHz we need to add or subtract
4665 * value read from EEPROM (different for 2GHz and for 5GHz).
4666 */
4667 delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
4668
4669 /*
4670 * Calculate temperature compensation. Depends on measurement of current
4671 * TSSI (Transmitter Signal Strength Indication) we know TX power (due
4672 * to temperature or maybe other factors) is smaller or bigger than
4673 * expected. We adjust it, based on TSSI reference and boundaries values
4674 * provided in EEPROM.
4675 */
4676 switch (rt2x00dev->chip.rt) {
4677 case RT2860:
4678 case RT2872:
4679 case RT2883:
4680 case RT3070:
4681 case RT3071:
4682 case RT3090:
4683 case RT3572:
4684 delta += rt2800_get_gain_calibration_delta(rt2x00dev);
4685 break;
4686 default:
4687 /* TODO: temperature compensation code for other chips. */
4688 break;
4689 }
4690
4691 /*
4692 * Decrease power according to user settings, on devices with unknown
4693 * maximum tx power. For other devices we take user power_level into
4694 * consideration on rt2800_compensate_txpower().
4695 */
4696 delta += rt2800_get_txpower_reg_delta(rt2x00dev, power_level,
4697 chan->max_power);
4698
4699 /*
4700 * BBP_R1 controls TX power for all rates, it allow to set the following
4701 * gains -12, -6, 0, +6 dBm by setting values 2, 1, 0, 3 respectively.
4702 *
4703 * TODO: we do not use +6 dBm option to do not increase power beyond
4704 * regulatory limit, however this could be utilized for devices with
4705 * CAPABILITY_POWER_LIMIT.
4706 */
4707 if (delta <= -12) {
4708 power_ctrl = 2;
4709 delta += 12;
4710 } else if (delta <= -6) {
4711 power_ctrl = 1;
4712 delta += 6;
4713 } else {
4714 power_ctrl = 0;
4715 }
4716 r1 = rt2800_bbp_read(rt2x00dev, 1);
4717 rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, power_ctrl);
4718 rt2800_bbp_write(rt2x00dev, 1, r1);
4719
4720 offset = TX_PWR_CFG_0;
4721
4722 for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
4723 /* just to be safe */
4724 if (offset > TX_PWR_CFG_4)
4725 break;
4726
4727 reg = rt2800_register_read(rt2x00dev, offset);
4728
4729 /* read the next four txpower values */
4730 eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
4731 EEPROM_TXPOWER_BYRATE,
4732 i);
4733
4734 is_rate_b = i ? 0 : 1;
4735 /*
4736 * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
4737 * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
4738 * TX_PWR_CFG_4: unknown
4739 */
4740 txpower = rt2x00_get_field16(eeprom,
4741 EEPROM_TXPOWER_BYRATE_RATE0);
4742 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4743 power_level, txpower, delta);
4744 rt2x00_set_field32(®, TX_PWR_CFG_RATE0, txpower);
4745
4746 /*
4747 * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
4748 * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
4749 * TX_PWR_CFG_4: unknown
4750 */
4751 txpower = rt2x00_get_field16(eeprom,
4752 EEPROM_TXPOWER_BYRATE_RATE1);
4753 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4754 power_level, txpower, delta);
4755 rt2x00_set_field32(®, TX_PWR_CFG_RATE1, txpower);
4756
4757 /*
4758 * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
4759 * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14,
4760 * TX_PWR_CFG_4: unknown
4761 */
4762 txpower = rt2x00_get_field16(eeprom,
4763 EEPROM_TXPOWER_BYRATE_RATE2);
4764 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4765 power_level, txpower, delta);
4766 rt2x00_set_field32(®, TX_PWR_CFG_RATE2, txpower);
4767
4768 /*
4769 * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
4770 * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15,
4771 * TX_PWR_CFG_4: unknown
4772 */
4773 txpower = rt2x00_get_field16(eeprom,
4774 EEPROM_TXPOWER_BYRATE_RATE3);
4775 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4776 power_level, txpower, delta);
4777 rt2x00_set_field32(®, TX_PWR_CFG_RATE3, txpower);
4778
4779 /* read the next four txpower values */
4780 eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
4781 EEPROM_TXPOWER_BYRATE,
4782 i + 1);
4783
4784 is_rate_b = 0;
4785 /*
4786 * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
4787 * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
4788 * TX_PWR_CFG_4: unknown
4789 */
4790 txpower = rt2x00_get_field16(eeprom,
4791 EEPROM_TXPOWER_BYRATE_RATE0);
4792 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4793 power_level, txpower, delta);
4794 rt2x00_set_field32(®, TX_PWR_CFG_RATE4, txpower);
4795
4796 /*
4797 * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
4798 * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
4799 * TX_PWR_CFG_4: unknown
4800 */
4801 txpower = rt2x00_get_field16(eeprom,
4802 EEPROM_TXPOWER_BYRATE_RATE1);
4803 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4804 power_level, txpower, delta);
4805 rt2x00_set_field32(®, TX_PWR_CFG_RATE5, txpower);
4806
4807 /*
4808 * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
4809 * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
4810 * TX_PWR_CFG_4: unknown
4811 */
4812 txpower = rt2x00_get_field16(eeprom,
4813 EEPROM_TXPOWER_BYRATE_RATE2);
4814 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4815 power_level, txpower, delta);
4816 rt2x00_set_field32(®, TX_PWR_CFG_RATE6, txpower);
4817
4818 /*
4819 * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
4820 * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
4821 * TX_PWR_CFG_4: unknown
4822 */
4823 txpower = rt2x00_get_field16(eeprom,
4824 EEPROM_TXPOWER_BYRATE_RATE3);
4825 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4826 power_level, txpower, delta);
4827 rt2x00_set_field32(®, TX_PWR_CFG_RATE7, txpower);
4828
4829 rt2800_register_write(rt2x00dev, offset, reg);
4830
4831 /* next TX_PWR_CFG register */
4832 offset += 4;
4833 }
4834 }
4835
rt2800_config_txpower(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)4836 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
4837 struct ieee80211_channel *chan,
4838 int power_level)
4839 {
4840 if (rt2x00_rt(rt2x00dev, RT3593))
4841 rt2800_config_txpower_rt3593(rt2x00dev, chan, power_level);
4842 else if (rt2x00_rt(rt2x00dev, RT6352))
4843 rt2800_config_txpower_rt6352(rt2x00dev, chan, power_level);
4844 else
4845 rt2800_config_txpower_rt28xx(rt2x00dev, chan, power_level);
4846 }
4847
rt2800_gain_calibration(struct rt2x00_dev * rt2x00dev)4848 void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
4849 {
4850 rt2800_config_txpower(rt2x00dev, rt2x00dev->hw->conf.chandef.chan,
4851 rt2x00dev->tx_power);
4852 }
4853 EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
4854
rt2800_vco_calibration(struct rt2x00_dev * rt2x00dev)4855 void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
4856 {
4857 u32 tx_pin;
4858 u8 rfcsr;
4859 unsigned long min_sleep = 0;
4860
4861 /*
4862 * A voltage-controlled oscillator(VCO) is an electronic oscillator
4863 * designed to be controlled in oscillation frequency by a voltage
4864 * input. Maybe the temperature will affect the frequency of
4865 * oscillation to be shifted. The VCO calibration will be called
4866 * periodically to adjust the frequency to be precision.
4867 */
4868
4869 tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
4870 tx_pin &= TX_PIN_CFG_PA_PE_DISABLE;
4871 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
4872
4873 switch (rt2x00dev->chip.rf) {
4874 case RF2020:
4875 case RF3020:
4876 case RF3021:
4877 case RF3022:
4878 case RF3320:
4879 case RF3052:
4880 rfcsr = rt2800_rfcsr_read(rt2x00dev, 7);
4881 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
4882 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
4883 break;
4884 case RF3053:
4885 case RF3070:
4886 case RF3290:
4887 case RF5350:
4888 case RF5360:
4889 case RF5362:
4890 case RF5370:
4891 case RF5372:
4892 case RF5390:
4893 case RF5392:
4894 case RF5592:
4895 rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
4896 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
4897 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
4898 min_sleep = 1000;
4899 break;
4900 case RF7620:
4901 rt2800_rfcsr_write(rt2x00dev, 5, 0x40);
4902 rt2800_rfcsr_write(rt2x00dev, 4, 0x0C);
4903 rfcsr = rt2800_rfcsr_read(rt2x00dev, 4);
4904 rt2x00_set_field8(&rfcsr, RFCSR4_VCOCAL_EN, 1);
4905 rt2800_rfcsr_write(rt2x00dev, 4, rfcsr);
4906 min_sleep = 2000;
4907 break;
4908 default:
4909 WARN_ONCE(1, "Not supported RF chipset %x for VCO recalibration",
4910 rt2x00dev->chip.rf);
4911 return;
4912 }
4913
4914 if (min_sleep > 0)
4915 usleep_range(min_sleep, min_sleep * 2);
4916
4917 tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
4918 if (rt2x00dev->rf_channel <= 14) {
4919 switch (rt2x00dev->default_ant.tx_chain_num) {
4920 case 3:
4921 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1);
4922 /* fall through */
4923 case 2:
4924 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
4925 /* fall through */
4926 case 1:
4927 default:
4928 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
4929 break;
4930 }
4931 } else {
4932 switch (rt2x00dev->default_ant.tx_chain_num) {
4933 case 3:
4934 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1);
4935 /* fall through */
4936 case 2:
4937 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
4938 /* fall through */
4939 case 1:
4940 default:
4941 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
4942 break;
4943 }
4944 }
4945 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
4946
4947 if (rt2x00_rt(rt2x00dev, RT6352)) {
4948 if (rt2x00dev->default_ant.rx_chain_num == 1) {
4949 rt2800_bbp_write(rt2x00dev, 91, 0x07);
4950 rt2800_bbp_write(rt2x00dev, 95, 0x1A);
4951 rt2800_bbp_write(rt2x00dev, 195, 128);
4952 rt2800_bbp_write(rt2x00dev, 196, 0xA0);
4953 rt2800_bbp_write(rt2x00dev, 195, 170);
4954 rt2800_bbp_write(rt2x00dev, 196, 0x12);
4955 rt2800_bbp_write(rt2x00dev, 195, 171);
4956 rt2800_bbp_write(rt2x00dev, 196, 0x10);
4957 } else {
4958 rt2800_bbp_write(rt2x00dev, 91, 0x06);
4959 rt2800_bbp_write(rt2x00dev, 95, 0x9A);
4960 rt2800_bbp_write(rt2x00dev, 195, 128);
4961 rt2800_bbp_write(rt2x00dev, 196, 0xE0);
4962 rt2800_bbp_write(rt2x00dev, 195, 170);
4963 rt2800_bbp_write(rt2x00dev, 196, 0x30);
4964 rt2800_bbp_write(rt2x00dev, 195, 171);
4965 rt2800_bbp_write(rt2x00dev, 196, 0x30);
4966 }
4967
4968 if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
4969 rt2800_bbp_write(rt2x00dev, 75, 0x68);
4970 rt2800_bbp_write(rt2x00dev, 76, 0x4C);
4971 rt2800_bbp_write(rt2x00dev, 79, 0x1C);
4972 rt2800_bbp_write(rt2x00dev, 80, 0x0C);
4973 rt2800_bbp_write(rt2x00dev, 82, 0xB6);
4974 }
4975
4976 /* On 11A, We should delay and wait RF/BBP to be stable
4977 * and the appropriate time should be 1000 micro seconds
4978 * 2005/06/05 - On 11G, we also need this delay time.
4979 * Otherwise it's difficult to pass the WHQL.
4980 */
4981 usleep_range(1000, 1500);
4982 }
4983 }
4984 EXPORT_SYMBOL_GPL(rt2800_vco_calibration);
4985
rt2800_config_retry_limit(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf)4986 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
4987 struct rt2x00lib_conf *libconf)
4988 {
4989 u32 reg;
4990
4991 reg = rt2800_register_read(rt2x00dev, TX_RTY_CFG);
4992 rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT,
4993 libconf->conf->short_frame_max_tx_count);
4994 rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT,
4995 libconf->conf->long_frame_max_tx_count);
4996 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
4997 }
4998
rt2800_config_ps(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf)4999 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
5000 struct rt2x00lib_conf *libconf)
5001 {
5002 enum dev_state state =
5003 (libconf->conf->flags & IEEE80211_CONF_PS) ?
5004 STATE_SLEEP : STATE_AWAKE;
5005 u32 reg;
5006
5007 if (state == STATE_SLEEP) {
5008 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
5009
5010 reg = rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG);
5011 rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
5012 rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
5013 libconf->conf->listen_interval - 1);
5014 rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 1);
5015 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
5016
5017 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
5018 } else {
5019 reg = rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG);
5020 rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
5021 rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
5022 rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 0);
5023 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
5024
5025 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
5026 }
5027 }
5028
rt2800_config(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf,const unsigned int flags)5029 void rt2800_config(struct rt2x00_dev *rt2x00dev,
5030 struct rt2x00lib_conf *libconf,
5031 const unsigned int flags)
5032 {
5033 /* Always recalculate LNA gain before changing configuration */
5034 rt2800_config_lna_gain(rt2x00dev, libconf);
5035
5036 if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
5037 rt2800_config_channel(rt2x00dev, libconf->conf,
5038 &libconf->rf, &libconf->channel);
5039 rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
5040 libconf->conf->power_level);
5041 }
5042 if (flags & IEEE80211_CONF_CHANGE_POWER)
5043 rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
5044 libconf->conf->power_level);
5045 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
5046 rt2800_config_retry_limit(rt2x00dev, libconf);
5047 if (flags & IEEE80211_CONF_CHANGE_PS)
5048 rt2800_config_ps(rt2x00dev, libconf);
5049 }
5050 EXPORT_SYMBOL_GPL(rt2800_config);
5051
5052 /*
5053 * Link tuning
5054 */
rt2800_link_stats(struct rt2x00_dev * rt2x00dev,struct link_qual * qual)5055 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
5056 {
5057 u32 reg;
5058
5059 /*
5060 * Update FCS error count from register.
5061 */
5062 reg = rt2800_register_read(rt2x00dev, RX_STA_CNT0);
5063 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
5064 }
5065 EXPORT_SYMBOL_GPL(rt2800_link_stats);
5066
rt2800_get_default_vgc(struct rt2x00_dev * rt2x00dev)5067 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
5068 {
5069 u8 vgc;
5070
5071 if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) {
5072 if (rt2x00_rt(rt2x00dev, RT3070) ||
5073 rt2x00_rt(rt2x00dev, RT3071) ||
5074 rt2x00_rt(rt2x00dev, RT3090) ||
5075 rt2x00_rt(rt2x00dev, RT3290) ||
5076 rt2x00_rt(rt2x00dev, RT3390) ||
5077 rt2x00_rt(rt2x00dev, RT3572) ||
5078 rt2x00_rt(rt2x00dev, RT3593) ||
5079 rt2x00_rt(rt2x00dev, RT5390) ||
5080 rt2x00_rt(rt2x00dev, RT5392) ||
5081 rt2x00_rt(rt2x00dev, RT5592) ||
5082 rt2x00_rt(rt2x00dev, RT6352))
5083 vgc = 0x1c + (2 * rt2x00dev->lna_gain);
5084 else
5085 vgc = 0x2e + rt2x00dev->lna_gain;
5086 } else { /* 5GHZ band */
5087 if (rt2x00_rt(rt2x00dev, RT3593))
5088 vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3;
5089 else if (rt2x00_rt(rt2x00dev, RT5592))
5090 vgc = 0x24 + (2 * rt2x00dev->lna_gain);
5091 else {
5092 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
5093 vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3;
5094 else
5095 vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3;
5096 }
5097 }
5098
5099 return vgc;
5100 }
5101
rt2800_set_vgc(struct rt2x00_dev * rt2x00dev,struct link_qual * qual,u8 vgc_level)5102 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
5103 struct link_qual *qual, u8 vgc_level)
5104 {
5105 if (qual->vgc_level != vgc_level) {
5106 if (rt2x00_rt(rt2x00dev, RT3572) ||
5107 rt2x00_rt(rt2x00dev, RT3593)) {
5108 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
5109 vgc_level);
5110 } else if (rt2x00_rt(rt2x00dev, RT5592)) {
5111 rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a);
5112 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level);
5113 } else {
5114 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
5115 }
5116
5117 qual->vgc_level = vgc_level;
5118 qual->vgc_level_reg = vgc_level;
5119 }
5120 }
5121
rt2800_reset_tuner(struct rt2x00_dev * rt2x00dev,struct link_qual * qual)5122 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
5123 {
5124 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
5125 }
5126 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
5127
rt2800_link_tuner(struct rt2x00_dev * rt2x00dev,struct link_qual * qual,const u32 count)5128 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
5129 const u32 count)
5130 {
5131 u8 vgc;
5132
5133 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
5134 return;
5135
5136 /* When RSSI is better than a certain threshold, increase VGC
5137 * with a chip specific value in order to improve the balance
5138 * between sensibility and noise isolation.
5139 */
5140
5141 vgc = rt2800_get_default_vgc(rt2x00dev);
5142
5143 switch (rt2x00dev->chip.rt) {
5144 case RT3572:
5145 case RT3593:
5146 if (qual->rssi > -65) {
5147 if (rt2x00dev->curr_band == NL80211_BAND_2GHZ)
5148 vgc += 0x20;
5149 else
5150 vgc += 0x10;
5151 }
5152 break;
5153
5154 case RT5592:
5155 if (qual->rssi > -65)
5156 vgc += 0x20;
5157 break;
5158
5159 default:
5160 if (qual->rssi > -80)
5161 vgc += 0x10;
5162 break;
5163 }
5164
5165 rt2800_set_vgc(rt2x00dev, qual, vgc);
5166 }
5167 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
5168
5169 /*
5170 * Initialization functions.
5171 */
rt2800_init_registers(struct rt2x00_dev * rt2x00dev)5172 static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
5173 {
5174 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5175 u32 reg;
5176 u16 eeprom;
5177 unsigned int i;
5178 int ret;
5179
5180 rt2800_disable_wpdma(rt2x00dev);
5181
5182 ret = rt2800_drv_init_registers(rt2x00dev);
5183 if (ret)
5184 return ret;
5185
5186 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
5187 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
5188
5189 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
5190
5191 reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG);
5192 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
5193 rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0);
5194 rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, 0);
5195 rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0);
5196 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0);
5197 rt2x00_set_field32(®, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
5198 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
5199
5200 rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
5201
5202 reg = rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG);
5203 rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME, 9);
5204 rt2x00_set_field32(®, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
5205 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
5206
5207 if (rt2x00_rt(rt2x00dev, RT3290)) {
5208 reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL);
5209 if (rt2x00_get_field32(reg, WLAN_EN) == 1) {
5210 rt2x00_set_field32(®, PCIE_APP0_CLK_REQ, 1);
5211 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
5212 }
5213
5214 reg = rt2800_register_read(rt2x00dev, CMB_CTRL);
5215 if (!(rt2x00_get_field32(reg, LDO0_EN) == 1)) {
5216 rt2x00_set_field32(®, LDO0_EN, 1);
5217 rt2x00_set_field32(®, LDO_BGSEL, 3);
5218 rt2800_register_write(rt2x00dev, CMB_CTRL, reg);
5219 }
5220
5221 reg = rt2800_register_read(rt2x00dev, OSC_CTRL);
5222 rt2x00_set_field32(®, OSC_ROSC_EN, 1);
5223 rt2x00_set_field32(®, OSC_CAL_REQ, 1);
5224 rt2x00_set_field32(®, OSC_REF_CYCLE, 0x27);
5225 rt2800_register_write(rt2x00dev, OSC_CTRL, reg);
5226
5227 reg = rt2800_register_read(rt2x00dev, COEX_CFG0);
5228 rt2x00_set_field32(®, COEX_CFG_ANT, 0x5e);
5229 rt2800_register_write(rt2x00dev, COEX_CFG0, reg);
5230
5231 reg = rt2800_register_read(rt2x00dev, COEX_CFG2);
5232 rt2x00_set_field32(®, BT_COEX_CFG1, 0x00);
5233 rt2x00_set_field32(®, BT_COEX_CFG0, 0x17);
5234 rt2x00_set_field32(®, WL_COEX_CFG1, 0x93);
5235 rt2x00_set_field32(®, WL_COEX_CFG0, 0x7f);
5236 rt2800_register_write(rt2x00dev, COEX_CFG2, reg);
5237
5238 reg = rt2800_register_read(rt2x00dev, PLL_CTRL);
5239 rt2x00_set_field32(®, PLL_CONTROL, 1);
5240 rt2800_register_write(rt2x00dev, PLL_CTRL, reg);
5241 }
5242
5243 if (rt2x00_rt(rt2x00dev, RT3071) ||
5244 rt2x00_rt(rt2x00dev, RT3090) ||
5245 rt2x00_rt(rt2x00dev, RT3290) ||
5246 rt2x00_rt(rt2x00dev, RT3390)) {
5247
5248 if (rt2x00_rt(rt2x00dev, RT3290))
5249 rt2800_register_write(rt2x00dev, TX_SW_CFG0,
5250 0x00000404);
5251 else
5252 rt2800_register_write(rt2x00dev, TX_SW_CFG0,
5253 0x00000400);
5254
5255 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
5256 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
5257 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
5258 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
5259 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
5260 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
5261 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
5262 0x0000002c);
5263 else
5264 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
5265 0x0000000f);
5266 } else {
5267 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5268 }
5269 } else if (rt2x00_rt(rt2x00dev, RT3070)) {
5270 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
5271
5272 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
5273 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
5274 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
5275 } else {
5276 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
5277 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5278 }
5279 } else if (rt2800_is_305x_soc(rt2x00dev)) {
5280 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
5281 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
5282 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
5283 } else if (rt2x00_rt(rt2x00dev, RT3352)) {
5284 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
5285 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
5286 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5287 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
5288 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
5289 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
5290 } else if (rt2x00_rt(rt2x00dev, RT3593)) {
5291 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
5292 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
5293 if (rt2x00_rt_rev_lt(rt2x00dev, RT3593, REV_RT3593E)) {
5294 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
5295 if (rt2x00_get_field16(eeprom,
5296 EEPROM_NIC_CONF1_DAC_TEST))
5297 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
5298 0x0000001f);
5299 else
5300 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
5301 0x0000000f);
5302 } else {
5303 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
5304 0x00000000);
5305 }
5306 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
5307 rt2x00_rt(rt2x00dev, RT5392) ||
5308 rt2x00_rt(rt2x00dev, RT6352)) {
5309 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
5310 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
5311 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5312 } else if (rt2x00_rt(rt2x00dev, RT5592)) {
5313 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
5314 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
5315 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5316 } else if (rt2x00_rt(rt2x00dev, RT5350)) {
5317 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
5318 } else if (rt2x00_rt(rt2x00dev, RT6352)) {
5319 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000401);
5320 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x000C0000);
5321 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5322 rt2800_register_write(rt2x00dev, MIMO_PS_CFG, 0x00000002);
5323 rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x00150F0F);
5324 rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x06060606);
5325 rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0);
5326 rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0);
5327 rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6C6C666C);
5328 rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN, 0x6C6C666C);
5329 rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT,
5330 0x3630363A);
5331 rt2800_register_write(rt2x00dev, TX1_RF_GAIN_CORRECT,
5332 0x3630363A);
5333 reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_1);
5334 rt2x00_set_field32(®, TX_ALC_CFG_1_ROS_BUSY_EN, 0);
5335 rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg);
5336 } else {
5337 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
5338 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
5339 }
5340
5341 reg = rt2800_register_read(rt2x00dev, TX_LINK_CFG);
5342 rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
5343 rt2x00_set_field32(®, TX_LINK_CFG_MFB_ENABLE, 0);
5344 rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
5345 rt2x00_set_field32(®, TX_LINK_CFG_TX_MRQ_EN, 0);
5346 rt2x00_set_field32(®, TX_LINK_CFG_TX_RDG_EN, 0);
5347 rt2x00_set_field32(®, TX_LINK_CFG_TX_CF_ACK_EN, 1);
5348 rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB, 0);
5349 rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFS, 0);
5350 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
5351
5352 reg = rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG);
5353 rt2x00_set_field32(®, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
5354 rt2x00_set_field32(®, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
5355 rt2x00_set_field32(®, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
5356 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
5357
5358 reg = rt2800_register_read(rt2x00dev, MAX_LEN_CFG);
5359 rt2x00_set_field32(®, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
5360 if (rt2x00_is_usb(rt2x00dev)) {
5361 drv_data->max_psdu = 3;
5362 } else if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
5363 rt2x00_rt(rt2x00dev, RT2883) ||
5364 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E)) {
5365 drv_data->max_psdu = 2;
5366 } else {
5367 drv_data->max_psdu = 1;
5368 }
5369 rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, drv_data->max_psdu);
5370 rt2x00_set_field32(®, MAX_LEN_CFG_MIN_PSDU, 10);
5371 rt2x00_set_field32(®, MAX_LEN_CFG_MIN_MPDU, 10);
5372 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
5373
5374 reg = rt2800_register_read(rt2x00dev, LED_CFG);
5375 rt2x00_set_field32(®, LED_CFG_ON_PERIOD, 70);
5376 rt2x00_set_field32(®, LED_CFG_OFF_PERIOD, 30);
5377 rt2x00_set_field32(®, LED_CFG_SLOW_BLINK_PERIOD, 3);
5378 rt2x00_set_field32(®, LED_CFG_R_LED_MODE, 3);
5379 rt2x00_set_field32(®, LED_CFG_G_LED_MODE, 3);
5380 rt2x00_set_field32(®, LED_CFG_Y_LED_MODE, 3);
5381 rt2x00_set_field32(®, LED_CFG_LED_POLAR, 1);
5382 rt2800_register_write(rt2x00dev, LED_CFG, reg);
5383
5384 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
5385
5386 reg = rt2800_register_read(rt2x00dev, TX_RTY_CFG);
5387 rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT, 2);
5388 rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT, 2);
5389 rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_THRE, 2000);
5390 rt2x00_set_field32(®, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
5391 rt2x00_set_field32(®, TX_RTY_CFG_AGG_RTY_MODE, 0);
5392 rt2x00_set_field32(®, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
5393 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
5394
5395 reg = rt2800_register_read(rt2x00dev, AUTO_RSP_CFG);
5396 rt2x00_set_field32(®, AUTO_RSP_CFG_AUTORESPONDER, 1);
5397 rt2x00_set_field32(®, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
5398 rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MMODE, 1);
5399 rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MREF, 0);
5400 rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, 0);
5401 rt2x00_set_field32(®, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
5402 rt2x00_set_field32(®, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
5403 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
5404
5405 reg = rt2800_register_read(rt2x00dev, CCK_PROT_CFG);
5406 rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_RATE, 3);
5407 rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_CTRL, 0);
5408 rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
5409 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
5410 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5411 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5412 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
5413 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5414 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
5415 rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, 1);
5416 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
5417
5418 reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG);
5419 rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_RATE, 3);
5420 rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, 0);
5421 rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
5422 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
5423 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5424 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5425 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
5426 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5427 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
5428 rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, 1);
5429 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
5430
5431 reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG);
5432 rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
5433 rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, 1);
5434 rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
5435 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 0);
5436 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5437 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5438 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
5439 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5440 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
5441 rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, 0);
5442 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
5443
5444 reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG);
5445 rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
5446 rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, 1);
5447 rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
5448 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 0);
5449 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5450 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5451 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
5452 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5453 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
5454 rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, 0);
5455 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
5456
5457 reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG);
5458 rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
5459 rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, 1);
5460 rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
5461 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 0);
5462 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5463 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5464 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
5465 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5466 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
5467 rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, 0);
5468 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
5469
5470 reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG);
5471 rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
5472 rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, 1);
5473 rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
5474 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 0);
5475 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5476 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5477 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
5478 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5479 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
5480 rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, 0);
5481 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
5482
5483 if (rt2x00_is_usb(rt2x00dev)) {
5484 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
5485
5486 reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG);
5487 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
5488 rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
5489 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
5490 rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
5491 rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
5492 rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
5493 rt2x00_set_field32(®, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
5494 rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
5495 rt2x00_set_field32(®, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
5496 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
5497 }
5498
5499 /*
5500 * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
5501 * although it is reserved.
5502 */
5503 reg = rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG);
5504 rt2x00_set_field32(®, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
5505 rt2x00_set_field32(®, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
5506 rt2x00_set_field32(®, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
5507 rt2x00_set_field32(®, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
5508 rt2x00_set_field32(®, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
5509 rt2x00_set_field32(®, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
5510 rt2x00_set_field32(®, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
5511 rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
5512 rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
5513 rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CWMIN, 0);
5514 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
5515
5516 reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
5517 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
5518
5519 reg = rt2800_register_read(rt2x00dev, TX_RTS_CFG);
5520 rt2x00_set_field32(®, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 7);
5521 rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES,
5522 IEEE80211_MAX_RTS_THRESHOLD);
5523 rt2x00_set_field32(®, TX_RTS_CFG_RTS_FBK_EN, 1);
5524 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
5525
5526 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
5527
5528 /*
5529 * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
5530 * time should be set to 16. However, the original Ralink driver uses
5531 * 16 for both and indeed using a value of 10 for CCK SIFS results in
5532 * connection problems with 11g + CTS protection. Hence, use the same
5533 * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
5534 */
5535 reg = rt2800_register_read(rt2x00dev, XIFS_TIME_CFG);
5536 rt2x00_set_field32(®, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
5537 rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
5538 rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
5539 rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, 314);
5540 rt2x00_set_field32(®, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
5541 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
5542
5543 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
5544
5545 /*
5546 * ASIC will keep garbage value after boot, clear encryption keys.
5547 */
5548 for (i = 0; i < 4; i++)
5549 rt2800_register_write(rt2x00dev,
5550 SHARED_KEY_MODE_ENTRY(i), 0);
5551
5552 for (i = 0; i < 256; i++) {
5553 rt2800_config_wcid(rt2x00dev, NULL, i);
5554 rt2800_delete_wcid_attr(rt2x00dev, i);
5555 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
5556 }
5557
5558 /*
5559 * Clear all beacons
5560 */
5561 for (i = 0; i < 8; i++)
5562 rt2800_clear_beacon_register(rt2x00dev, i);
5563
5564 if (rt2x00_is_usb(rt2x00dev)) {
5565 reg = rt2800_register_read(rt2x00dev, US_CYC_CNT);
5566 rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 30);
5567 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
5568 } else if (rt2x00_is_pcie(rt2x00dev)) {
5569 reg = rt2800_register_read(rt2x00dev, US_CYC_CNT);
5570 rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 125);
5571 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
5572 }
5573
5574 reg = rt2800_register_read(rt2x00dev, HT_FBK_CFG0);
5575 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS0FBK, 0);
5576 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS1FBK, 0);
5577 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS2FBK, 1);
5578 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS3FBK, 2);
5579 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS4FBK, 3);
5580 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS5FBK, 4);
5581 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS6FBK, 5);
5582 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS7FBK, 6);
5583 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
5584
5585 reg = rt2800_register_read(rt2x00dev, HT_FBK_CFG1);
5586 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS8FBK, 8);
5587 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS9FBK, 8);
5588 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS10FBK, 9);
5589 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS11FBK, 10);
5590 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS12FBK, 11);
5591 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS13FBK, 12);
5592 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS14FBK, 13);
5593 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS15FBK, 14);
5594 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
5595
5596 reg = rt2800_register_read(rt2x00dev, LG_FBK_CFG0);
5597 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS0FBK, 8);
5598 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS1FBK, 8);
5599 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS2FBK, 9);
5600 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS3FBK, 10);
5601 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS4FBK, 11);
5602 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS5FBK, 12);
5603 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS6FBK, 13);
5604 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS7FBK, 14);
5605 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
5606
5607 reg = rt2800_register_read(rt2x00dev, LG_FBK_CFG1);
5608 rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS0FBK, 0);
5609 rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS1FBK, 0);
5610 rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS2FBK, 1);
5611 rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS3FBK, 2);
5612 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
5613
5614 /*
5615 * Do not force the BA window size, we use the TXWI to set it
5616 */
5617 reg = rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE);
5618 rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
5619 rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
5620 rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
5621
5622 /*
5623 * We must clear the error counters.
5624 * These registers are cleared on read,
5625 * so we may pass a useless variable to store the value.
5626 */
5627 reg = rt2800_register_read(rt2x00dev, RX_STA_CNT0);
5628 reg = rt2800_register_read(rt2x00dev, RX_STA_CNT1);
5629 reg = rt2800_register_read(rt2x00dev, RX_STA_CNT2);
5630 reg = rt2800_register_read(rt2x00dev, TX_STA_CNT0);
5631 reg = rt2800_register_read(rt2x00dev, TX_STA_CNT1);
5632 reg = rt2800_register_read(rt2x00dev, TX_STA_CNT2);
5633
5634 /*
5635 * Setup leadtime for pre tbtt interrupt to 6ms
5636 */
5637 reg = rt2800_register_read(rt2x00dev, INT_TIMER_CFG);
5638 rt2x00_set_field32(®, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
5639 rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
5640
5641 /*
5642 * Set up channel statistics timer
5643 */
5644 reg = rt2800_register_read(rt2x00dev, CH_TIME_CFG);
5645 rt2x00_set_field32(®, CH_TIME_CFG_EIFS_BUSY, 1);
5646 rt2x00_set_field32(®, CH_TIME_CFG_NAV_BUSY, 1);
5647 rt2x00_set_field32(®, CH_TIME_CFG_RX_BUSY, 1);
5648 rt2x00_set_field32(®, CH_TIME_CFG_TX_BUSY, 1);
5649 rt2x00_set_field32(®, CH_TIME_CFG_TMR_EN, 1);
5650 rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
5651
5652 return 0;
5653 }
5654
rt2800_wait_bbp_rf_ready(struct rt2x00_dev * rt2x00dev)5655 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
5656 {
5657 unsigned int i;
5658 u32 reg;
5659
5660 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
5661 reg = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
5662 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
5663 return 0;
5664
5665 udelay(REGISTER_BUSY_DELAY);
5666 }
5667
5668 rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n");
5669 return -EACCES;
5670 }
5671
rt2800_wait_bbp_ready(struct rt2x00_dev * rt2x00dev)5672 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
5673 {
5674 unsigned int i;
5675 u8 value;
5676
5677 /*
5678 * BBP was enabled after firmware was loaded,
5679 * but we need to reactivate it now.
5680 */
5681 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
5682 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
5683 msleep(1);
5684
5685 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
5686 value = rt2800_bbp_read(rt2x00dev, 0);
5687 if ((value != 0xff) && (value != 0x00))
5688 return 0;
5689 udelay(REGISTER_BUSY_DELAY);
5690 }
5691
5692 rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n");
5693 return -EACCES;
5694 }
5695
rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev * rt2x00dev)5696 static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev)
5697 {
5698 u8 value;
5699
5700 value = rt2800_bbp_read(rt2x00dev, 4);
5701 rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
5702 rt2800_bbp_write(rt2x00dev, 4, value);
5703 }
5704
rt2800_init_freq_calibration(struct rt2x00_dev * rt2x00dev)5705 static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev)
5706 {
5707 rt2800_bbp_write(rt2x00dev, 142, 1);
5708 rt2800_bbp_write(rt2x00dev, 143, 57);
5709 }
5710
rt2800_init_bbp_5592_glrt(struct rt2x00_dev * rt2x00dev)5711 static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev)
5712 {
5713 static const u8 glrt_table[] = {
5714 0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */
5715 0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */
5716 0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */
5717 0X3C, 0x34, 0x2C, 0x2F, 0x3C, 0x35, 0x2E, 0x2A, 0x49, 0x41, /* 158 ~ 167 */
5718 0x36, 0x31, 0x30, 0x30, 0x0E, 0x0D, 0x28, 0x21, 0x1C, 0x16, /* 168 ~ 177 */
5719 0x50, 0x4A, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, /* 178 ~ 187 */
5720 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 188 ~ 197 */
5721 0x00, 0x00, 0x7D, 0x14, 0x32, 0x2C, 0x36, 0x4C, 0x43, 0x2C, /* 198 ~ 207 */
5722 0x2E, 0x36, 0x30, 0x6E, /* 208 ~ 211 */
5723 };
5724 int i;
5725
5726 for (i = 0; i < ARRAY_SIZE(glrt_table); i++) {
5727 rt2800_bbp_write(rt2x00dev, 195, 128 + i);
5728 rt2800_bbp_write(rt2x00dev, 196, glrt_table[i]);
5729 }
5730 };
5731
rt2800_init_bbp_early(struct rt2x00_dev * rt2x00dev)5732 static void rt2800_init_bbp_early(struct rt2x00_dev *rt2x00dev)
5733 {
5734 rt2800_bbp_write(rt2x00dev, 65, 0x2C);
5735 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5736 rt2800_bbp_write(rt2x00dev, 68, 0x0B);
5737 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5738 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5739 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5740 rt2800_bbp_write(rt2x00dev, 81, 0x37);
5741 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5742 rt2800_bbp_write(rt2x00dev, 83, 0x6A);
5743 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5744 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5745 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5746 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5747 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5748 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5749 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5750 }
5751
rt2800_disable_unused_dac_adc(struct rt2x00_dev * rt2x00dev)5752 static void rt2800_disable_unused_dac_adc(struct rt2x00_dev *rt2x00dev)
5753 {
5754 u16 eeprom;
5755 u8 value;
5756
5757 value = rt2800_bbp_read(rt2x00dev, 138);
5758 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
5759 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5760 value |= 0x20;
5761 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5762 value &= ~0x02;
5763 rt2800_bbp_write(rt2x00dev, 138, value);
5764 }
5765
rt2800_init_bbp_305x_soc(struct rt2x00_dev * rt2x00dev)5766 static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev)
5767 {
5768 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5769
5770 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5771 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5772
5773 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5774 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5775
5776 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5777
5778 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
5779 rt2800_bbp_write(rt2x00dev, 80, 0x08);
5780
5781 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5782
5783 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5784
5785 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5786
5787 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5788
5789 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5790
5791 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5792
5793 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5794
5795 rt2800_bbp_write(rt2x00dev, 105, 0x01);
5796
5797 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5798 }
5799
rt2800_init_bbp_28xx(struct rt2x00_dev * rt2x00dev)5800 static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev)
5801 {
5802 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5803 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5804
5805 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
5806 rt2800_bbp_write(rt2x00dev, 69, 0x16);
5807 rt2800_bbp_write(rt2x00dev, 73, 0x12);
5808 } else {
5809 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5810 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5811 }
5812
5813 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5814
5815 rt2800_bbp_write(rt2x00dev, 81, 0x37);
5816
5817 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5818
5819 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5820
5821 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
5822 rt2800_bbp_write(rt2x00dev, 84, 0x19);
5823 else
5824 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5825
5826 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5827
5828 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5829
5830 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5831
5832 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5833
5834 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5835
5836 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5837 }
5838
rt2800_init_bbp_30xx(struct rt2x00_dev * rt2x00dev)5839 static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev)
5840 {
5841 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5842 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5843
5844 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5845 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5846
5847 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5848
5849 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5850 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5851 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5852
5853 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5854
5855 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5856
5857 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5858
5859 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5860
5861 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5862
5863 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5864
5865 if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
5866 rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
5867 rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E))
5868 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5869 else
5870 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5871
5872 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5873
5874 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5875
5876 if (rt2x00_rt(rt2x00dev, RT3071) ||
5877 rt2x00_rt(rt2x00dev, RT3090))
5878 rt2800_disable_unused_dac_adc(rt2x00dev);
5879 }
5880
rt2800_init_bbp_3290(struct rt2x00_dev * rt2x00dev)5881 static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev)
5882 {
5883 u8 value;
5884
5885 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5886
5887 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5888
5889 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5890 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5891
5892 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5893
5894 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5895 rt2800_bbp_write(rt2x00dev, 73, 0x13);
5896 rt2800_bbp_write(rt2x00dev, 75, 0x46);
5897 rt2800_bbp_write(rt2x00dev, 76, 0x28);
5898
5899 rt2800_bbp_write(rt2x00dev, 77, 0x58);
5900
5901 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5902
5903 rt2800_bbp_write(rt2x00dev, 74, 0x0b);
5904 rt2800_bbp_write(rt2x00dev, 79, 0x18);
5905 rt2800_bbp_write(rt2x00dev, 80, 0x09);
5906 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5907
5908 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5909
5910 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
5911
5912 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
5913
5914 rt2800_bbp_write(rt2x00dev, 86, 0x38);
5915
5916 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5917
5918 rt2800_bbp_write(rt2x00dev, 92, 0x02);
5919
5920 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5921
5922 rt2800_bbp_write(rt2x00dev, 104, 0x92);
5923
5924 rt2800_bbp_write(rt2x00dev, 105, 0x1c);
5925
5926 rt2800_bbp_write(rt2x00dev, 106, 0x03);
5927
5928 rt2800_bbp_write(rt2x00dev, 128, 0x12);
5929
5930 rt2800_bbp_write(rt2x00dev, 67, 0x24);
5931 rt2800_bbp_write(rt2x00dev, 143, 0x04);
5932 rt2800_bbp_write(rt2x00dev, 142, 0x99);
5933 rt2800_bbp_write(rt2x00dev, 150, 0x30);
5934 rt2800_bbp_write(rt2x00dev, 151, 0x2e);
5935 rt2800_bbp_write(rt2x00dev, 152, 0x20);
5936 rt2800_bbp_write(rt2x00dev, 153, 0x34);
5937 rt2800_bbp_write(rt2x00dev, 154, 0x40);
5938 rt2800_bbp_write(rt2x00dev, 155, 0x3b);
5939 rt2800_bbp_write(rt2x00dev, 253, 0x04);
5940
5941 value = rt2800_bbp_read(rt2x00dev, 47);
5942 rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1);
5943 rt2800_bbp_write(rt2x00dev, 47, value);
5944
5945 /* Use 5-bit ADC for Acquisition and 8-bit ADC for data */
5946 value = rt2800_bbp_read(rt2x00dev, 3);
5947 rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1);
5948 rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1);
5949 rt2800_bbp_write(rt2x00dev, 3, value);
5950 }
5951
rt2800_init_bbp_3352(struct rt2x00_dev * rt2x00dev)5952 static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev)
5953 {
5954 rt2800_bbp_write(rt2x00dev, 3, 0x00);
5955 rt2800_bbp_write(rt2x00dev, 4, 0x50);
5956
5957 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5958
5959 rt2800_bbp_write(rt2x00dev, 47, 0x48);
5960
5961 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5962 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5963
5964 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5965
5966 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5967 rt2800_bbp_write(rt2x00dev, 73, 0x13);
5968 rt2800_bbp_write(rt2x00dev, 75, 0x46);
5969 rt2800_bbp_write(rt2x00dev, 76, 0x28);
5970
5971 rt2800_bbp_write(rt2x00dev, 77, 0x59);
5972
5973 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5974
5975 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
5976 rt2800_bbp_write(rt2x00dev, 80, 0x08);
5977 rt2800_bbp_write(rt2x00dev, 81, 0x37);
5978
5979 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5980
5981 if (rt2x00_rt(rt2x00dev, RT5350)) {
5982 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
5983 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
5984 } else {
5985 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5986 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5987 }
5988
5989 rt2800_bbp_write(rt2x00dev, 86, 0x38);
5990
5991 rt2800_bbp_write(rt2x00dev, 88, 0x90);
5992
5993 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5994
5995 rt2800_bbp_write(rt2x00dev, 92, 0x02);
5996
5997 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5998
5999 rt2800_bbp_write(rt2x00dev, 104, 0x92);
6000
6001 if (rt2x00_rt(rt2x00dev, RT5350)) {
6002 rt2800_bbp_write(rt2x00dev, 105, 0x3c);
6003 rt2800_bbp_write(rt2x00dev, 106, 0x03);
6004 } else {
6005 rt2800_bbp_write(rt2x00dev, 105, 0x34);
6006 rt2800_bbp_write(rt2x00dev, 106, 0x05);
6007 }
6008
6009 rt2800_bbp_write(rt2x00dev, 120, 0x50);
6010
6011 rt2800_bbp_write(rt2x00dev, 137, 0x0f);
6012
6013 rt2800_bbp_write(rt2x00dev, 163, 0xbd);
6014 /* Set ITxBF timeout to 0x9c40=1000msec */
6015 rt2800_bbp_write(rt2x00dev, 179, 0x02);
6016 rt2800_bbp_write(rt2x00dev, 180, 0x00);
6017 rt2800_bbp_write(rt2x00dev, 182, 0x40);
6018 rt2800_bbp_write(rt2x00dev, 180, 0x01);
6019 rt2800_bbp_write(rt2x00dev, 182, 0x9c);
6020 rt2800_bbp_write(rt2x00dev, 179, 0x00);
6021 /* Reprogram the inband interface to put right values in RXWI */
6022 rt2800_bbp_write(rt2x00dev, 142, 0x04);
6023 rt2800_bbp_write(rt2x00dev, 143, 0x3b);
6024 rt2800_bbp_write(rt2x00dev, 142, 0x06);
6025 rt2800_bbp_write(rt2x00dev, 143, 0xa0);
6026 rt2800_bbp_write(rt2x00dev, 142, 0x07);
6027 rt2800_bbp_write(rt2x00dev, 143, 0xa1);
6028 rt2800_bbp_write(rt2x00dev, 142, 0x08);
6029 rt2800_bbp_write(rt2x00dev, 143, 0xa2);
6030
6031 rt2800_bbp_write(rt2x00dev, 148, 0xc8);
6032
6033 if (rt2x00_rt(rt2x00dev, RT5350)) {
6034 /* Antenna Software OFDM */
6035 rt2800_bbp_write(rt2x00dev, 150, 0x40);
6036 /* Antenna Software CCK */
6037 rt2800_bbp_write(rt2x00dev, 151, 0x30);
6038 rt2800_bbp_write(rt2x00dev, 152, 0xa3);
6039 /* Clear previously selected antenna */
6040 rt2800_bbp_write(rt2x00dev, 154, 0);
6041 }
6042 }
6043
rt2800_init_bbp_3390(struct rt2x00_dev * rt2x00dev)6044 static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev)
6045 {
6046 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
6047 rt2800_bbp_write(rt2x00dev, 66, 0x38);
6048
6049 rt2800_bbp_write(rt2x00dev, 69, 0x12);
6050 rt2800_bbp_write(rt2x00dev, 73, 0x10);
6051
6052 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
6053
6054 rt2800_bbp_write(rt2x00dev, 79, 0x13);
6055 rt2800_bbp_write(rt2x00dev, 80, 0x05);
6056 rt2800_bbp_write(rt2x00dev, 81, 0x33);
6057
6058 rt2800_bbp_write(rt2x00dev, 82, 0x62);
6059
6060 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
6061
6062 rt2800_bbp_write(rt2x00dev, 84, 0x99);
6063
6064 rt2800_bbp_write(rt2x00dev, 86, 0x00);
6065
6066 rt2800_bbp_write(rt2x00dev, 91, 0x04);
6067
6068 rt2800_bbp_write(rt2x00dev, 92, 0x00);
6069
6070 if (rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E))
6071 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6072 else
6073 rt2800_bbp_write(rt2x00dev, 103, 0x00);
6074
6075 rt2800_bbp_write(rt2x00dev, 105, 0x05);
6076
6077 rt2800_bbp_write(rt2x00dev, 106, 0x35);
6078
6079 rt2800_disable_unused_dac_adc(rt2x00dev);
6080 }
6081
rt2800_init_bbp_3572(struct rt2x00_dev * rt2x00dev)6082 static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev)
6083 {
6084 rt2800_bbp_write(rt2x00dev, 31, 0x08);
6085
6086 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
6087 rt2800_bbp_write(rt2x00dev, 66, 0x38);
6088
6089 rt2800_bbp_write(rt2x00dev, 69, 0x12);
6090 rt2800_bbp_write(rt2x00dev, 73, 0x10);
6091
6092 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
6093
6094 rt2800_bbp_write(rt2x00dev, 79, 0x13);
6095 rt2800_bbp_write(rt2x00dev, 80, 0x05);
6096 rt2800_bbp_write(rt2x00dev, 81, 0x33);
6097
6098 rt2800_bbp_write(rt2x00dev, 82, 0x62);
6099
6100 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
6101
6102 rt2800_bbp_write(rt2x00dev, 84, 0x99);
6103
6104 rt2800_bbp_write(rt2x00dev, 86, 0x00);
6105
6106 rt2800_bbp_write(rt2x00dev, 91, 0x04);
6107
6108 rt2800_bbp_write(rt2x00dev, 92, 0x00);
6109
6110 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6111
6112 rt2800_bbp_write(rt2x00dev, 105, 0x05);
6113
6114 rt2800_bbp_write(rt2x00dev, 106, 0x35);
6115
6116 rt2800_disable_unused_dac_adc(rt2x00dev);
6117 }
6118
rt2800_init_bbp_3593(struct rt2x00_dev * rt2x00dev)6119 static void rt2800_init_bbp_3593(struct rt2x00_dev *rt2x00dev)
6120 {
6121 rt2800_init_bbp_early(rt2x00dev);
6122
6123 rt2800_bbp_write(rt2x00dev, 79, 0x13);
6124 rt2800_bbp_write(rt2x00dev, 80, 0x05);
6125 rt2800_bbp_write(rt2x00dev, 81, 0x33);
6126 rt2800_bbp_write(rt2x00dev, 137, 0x0f);
6127
6128 rt2800_bbp_write(rt2x00dev, 84, 0x19);
6129
6130 /* Enable DC filter */
6131 if (rt2x00_rt_rev_gte(rt2x00dev, RT3593, REV_RT3593E))
6132 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6133 }
6134
rt2800_init_bbp_53xx(struct rt2x00_dev * rt2x00dev)6135 static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
6136 {
6137 int ant, div_mode;
6138 u16 eeprom;
6139 u8 value;
6140
6141 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6142
6143 rt2800_bbp_write(rt2x00dev, 31, 0x08);
6144
6145 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
6146 rt2800_bbp_write(rt2x00dev, 66, 0x38);
6147
6148 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
6149
6150 rt2800_bbp_write(rt2x00dev, 69, 0x12);
6151 rt2800_bbp_write(rt2x00dev, 73, 0x13);
6152 rt2800_bbp_write(rt2x00dev, 75, 0x46);
6153 rt2800_bbp_write(rt2x00dev, 76, 0x28);
6154
6155 rt2800_bbp_write(rt2x00dev, 77, 0x59);
6156
6157 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
6158
6159 rt2800_bbp_write(rt2x00dev, 79, 0x13);
6160 rt2800_bbp_write(rt2x00dev, 80, 0x05);
6161 rt2800_bbp_write(rt2x00dev, 81, 0x33);
6162
6163 rt2800_bbp_write(rt2x00dev, 82, 0x62);
6164
6165 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
6166
6167 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
6168
6169 rt2800_bbp_write(rt2x00dev, 86, 0x38);
6170
6171 if (rt2x00_rt(rt2x00dev, RT5392))
6172 rt2800_bbp_write(rt2x00dev, 88, 0x90);
6173
6174 rt2800_bbp_write(rt2x00dev, 91, 0x04);
6175
6176 rt2800_bbp_write(rt2x00dev, 92, 0x02);
6177
6178 if (rt2x00_rt(rt2x00dev, RT5392)) {
6179 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
6180 rt2800_bbp_write(rt2x00dev, 98, 0x12);
6181 }
6182
6183 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6184
6185 rt2800_bbp_write(rt2x00dev, 104, 0x92);
6186
6187 rt2800_bbp_write(rt2x00dev, 105, 0x3c);
6188
6189 if (rt2x00_rt(rt2x00dev, RT5390))
6190 rt2800_bbp_write(rt2x00dev, 106, 0x03);
6191 else if (rt2x00_rt(rt2x00dev, RT5392))
6192 rt2800_bbp_write(rt2x00dev, 106, 0x12);
6193 else
6194 WARN_ON(1);
6195
6196 rt2800_bbp_write(rt2x00dev, 128, 0x12);
6197
6198 if (rt2x00_rt(rt2x00dev, RT5392)) {
6199 rt2800_bbp_write(rt2x00dev, 134, 0xd0);
6200 rt2800_bbp_write(rt2x00dev, 135, 0xf6);
6201 }
6202
6203 rt2800_disable_unused_dac_adc(rt2x00dev);
6204
6205 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
6206 div_mode = rt2x00_get_field16(eeprom,
6207 EEPROM_NIC_CONF1_ANT_DIVERSITY);
6208 ant = (div_mode == 3) ? 1 : 0;
6209
6210 /* check if this is a Bluetooth combo card */
6211 if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
6212 u32 reg;
6213
6214 reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
6215 rt2x00_set_field32(®, GPIO_CTRL_DIR3, 0);
6216 rt2x00_set_field32(®, GPIO_CTRL_DIR6, 0);
6217 rt2x00_set_field32(®, GPIO_CTRL_VAL3, 0);
6218 rt2x00_set_field32(®, GPIO_CTRL_VAL6, 0);
6219 if (ant == 0)
6220 rt2x00_set_field32(®, GPIO_CTRL_VAL3, 1);
6221 else if (ant == 1)
6222 rt2x00_set_field32(®, GPIO_CTRL_VAL6, 1);
6223 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
6224 }
6225
6226 /* These chips have hardware RX antenna diversity */
6227 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R) ||
6228 rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5370G)) {
6229 rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */
6230 rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */
6231 rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */
6232 }
6233
6234 value = rt2800_bbp_read(rt2x00dev, 152);
6235 if (ant == 0)
6236 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
6237 else
6238 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
6239 rt2800_bbp_write(rt2x00dev, 152, value);
6240
6241 rt2800_init_freq_calibration(rt2x00dev);
6242 }
6243
rt2800_init_bbp_5592(struct rt2x00_dev * rt2x00dev)6244 static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev)
6245 {
6246 int ant, div_mode;
6247 u16 eeprom;
6248 u8 value;
6249
6250 rt2800_init_bbp_early(rt2x00dev);
6251
6252 value = rt2800_bbp_read(rt2x00dev, 105);
6253 rt2x00_set_field8(&value, BBP105_MLD,
6254 rt2x00dev->default_ant.rx_chain_num == 2);
6255 rt2800_bbp_write(rt2x00dev, 105, value);
6256
6257 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6258
6259 rt2800_bbp_write(rt2x00dev, 20, 0x06);
6260 rt2800_bbp_write(rt2x00dev, 31, 0x08);
6261 rt2800_bbp_write(rt2x00dev, 65, 0x2C);
6262 rt2800_bbp_write(rt2x00dev, 68, 0xDD);
6263 rt2800_bbp_write(rt2x00dev, 69, 0x1A);
6264 rt2800_bbp_write(rt2x00dev, 70, 0x05);
6265 rt2800_bbp_write(rt2x00dev, 73, 0x13);
6266 rt2800_bbp_write(rt2x00dev, 74, 0x0F);
6267 rt2800_bbp_write(rt2x00dev, 75, 0x4F);
6268 rt2800_bbp_write(rt2x00dev, 76, 0x28);
6269 rt2800_bbp_write(rt2x00dev, 77, 0x59);
6270 rt2800_bbp_write(rt2x00dev, 84, 0x9A);
6271 rt2800_bbp_write(rt2x00dev, 86, 0x38);
6272 rt2800_bbp_write(rt2x00dev, 88, 0x90);
6273 rt2800_bbp_write(rt2x00dev, 91, 0x04);
6274 rt2800_bbp_write(rt2x00dev, 92, 0x02);
6275 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
6276 rt2800_bbp_write(rt2x00dev, 98, 0x12);
6277 rt2800_bbp_write(rt2x00dev, 103, 0xC0);
6278 rt2800_bbp_write(rt2x00dev, 104, 0x92);
6279 /* FIXME BBP105 owerwrite */
6280 rt2800_bbp_write(rt2x00dev, 105, 0x3C);
6281 rt2800_bbp_write(rt2x00dev, 106, 0x35);
6282 rt2800_bbp_write(rt2x00dev, 128, 0x12);
6283 rt2800_bbp_write(rt2x00dev, 134, 0xD0);
6284 rt2800_bbp_write(rt2x00dev, 135, 0xF6);
6285 rt2800_bbp_write(rt2x00dev, 137, 0x0F);
6286
6287 /* Initialize GLRT (Generalized Likehood Radio Test) */
6288 rt2800_init_bbp_5592_glrt(rt2x00dev);
6289
6290 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6291
6292 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
6293 div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY);
6294 ant = (div_mode == 3) ? 1 : 0;
6295 value = rt2800_bbp_read(rt2x00dev, 152);
6296 if (ant == 0) {
6297 /* Main antenna */
6298 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
6299 } else {
6300 /* Auxiliary antenna */
6301 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
6302 }
6303 rt2800_bbp_write(rt2x00dev, 152, value);
6304
6305 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) {
6306 value = rt2800_bbp_read(rt2x00dev, 254);
6307 rt2x00_set_field8(&value, BBP254_BIT7, 1);
6308 rt2800_bbp_write(rt2x00dev, 254, value);
6309 }
6310
6311 rt2800_init_freq_calibration(rt2x00dev);
6312
6313 rt2800_bbp_write(rt2x00dev, 84, 0x19);
6314 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
6315 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6316 }
6317
rt2800_bbp_glrt_write(struct rt2x00_dev * rt2x00dev,const u8 reg,const u8 value)6318 static void rt2800_bbp_glrt_write(struct rt2x00_dev *rt2x00dev,
6319 const u8 reg, const u8 value)
6320 {
6321 rt2800_bbp_write(rt2x00dev, 195, reg);
6322 rt2800_bbp_write(rt2x00dev, 196, value);
6323 }
6324
rt2800_bbp_dcoc_write(struct rt2x00_dev * rt2x00dev,const u8 reg,const u8 value)6325 static void rt2800_bbp_dcoc_write(struct rt2x00_dev *rt2x00dev,
6326 const u8 reg, const u8 value)
6327 {
6328 rt2800_bbp_write(rt2x00dev, 158, reg);
6329 rt2800_bbp_write(rt2x00dev, 159, value);
6330 }
6331
rt2800_bbp_dcoc_read(struct rt2x00_dev * rt2x00dev,const u8 reg)6332 static u8 rt2800_bbp_dcoc_read(struct rt2x00_dev *rt2x00dev, const u8 reg)
6333 {
6334 rt2800_bbp_write(rt2x00dev, 158, reg);
6335 return rt2800_bbp_read(rt2x00dev, 159);
6336 }
6337
rt2800_init_bbp_6352(struct rt2x00_dev * rt2x00dev)6338 static void rt2800_init_bbp_6352(struct rt2x00_dev *rt2x00dev)
6339 {
6340 u8 bbp;
6341
6342 /* Apply Maximum Likelihood Detection (MLD) for 2 stream case */
6343 bbp = rt2800_bbp_read(rt2x00dev, 105);
6344 rt2x00_set_field8(&bbp, BBP105_MLD,
6345 rt2x00dev->default_ant.rx_chain_num == 2);
6346 rt2800_bbp_write(rt2x00dev, 105, bbp);
6347
6348 /* Avoid data loss and CRC errors */
6349 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6350
6351 /* Fix I/Q swap issue */
6352 bbp = rt2800_bbp_read(rt2x00dev, 1);
6353 bbp |= 0x04;
6354 rt2800_bbp_write(rt2x00dev, 1, bbp);
6355
6356 /* BBP for G band */
6357 rt2800_bbp_write(rt2x00dev, 3, 0x08);
6358 rt2800_bbp_write(rt2x00dev, 4, 0x00); /* rt2800_bbp4_mac_if_ctrl? */
6359 rt2800_bbp_write(rt2x00dev, 6, 0x08);
6360 rt2800_bbp_write(rt2x00dev, 14, 0x09);
6361 rt2800_bbp_write(rt2x00dev, 15, 0xFF);
6362 rt2800_bbp_write(rt2x00dev, 16, 0x01);
6363 rt2800_bbp_write(rt2x00dev, 20, 0x06);
6364 rt2800_bbp_write(rt2x00dev, 21, 0x00);
6365 rt2800_bbp_write(rt2x00dev, 22, 0x00);
6366 rt2800_bbp_write(rt2x00dev, 27, 0x00);
6367 rt2800_bbp_write(rt2x00dev, 28, 0x00);
6368 rt2800_bbp_write(rt2x00dev, 30, 0x00);
6369 rt2800_bbp_write(rt2x00dev, 31, 0x48);
6370 rt2800_bbp_write(rt2x00dev, 47, 0x40);
6371 rt2800_bbp_write(rt2x00dev, 62, 0x00);
6372 rt2800_bbp_write(rt2x00dev, 63, 0x00);
6373 rt2800_bbp_write(rt2x00dev, 64, 0x00);
6374 rt2800_bbp_write(rt2x00dev, 65, 0x2C);
6375 rt2800_bbp_write(rt2x00dev, 66, 0x1C);
6376 rt2800_bbp_write(rt2x00dev, 67, 0x20);
6377 rt2800_bbp_write(rt2x00dev, 68, 0xDD);
6378 rt2800_bbp_write(rt2x00dev, 69, 0x10);
6379 rt2800_bbp_write(rt2x00dev, 70, 0x05);
6380 rt2800_bbp_write(rt2x00dev, 73, 0x18);
6381 rt2800_bbp_write(rt2x00dev, 74, 0x0F);
6382 rt2800_bbp_write(rt2x00dev, 75, 0x60);
6383 rt2800_bbp_write(rt2x00dev, 76, 0x44);
6384 rt2800_bbp_write(rt2x00dev, 77, 0x59);
6385 rt2800_bbp_write(rt2x00dev, 78, 0x1E);
6386 rt2800_bbp_write(rt2x00dev, 79, 0x1C);
6387 rt2800_bbp_write(rt2x00dev, 80, 0x0C);
6388 rt2800_bbp_write(rt2x00dev, 81, 0x3A);
6389 rt2800_bbp_write(rt2x00dev, 82, 0xB6);
6390 rt2800_bbp_write(rt2x00dev, 83, 0x9A);
6391 rt2800_bbp_write(rt2x00dev, 84, 0x9A);
6392 rt2800_bbp_write(rt2x00dev, 86, 0x38);
6393 rt2800_bbp_write(rt2x00dev, 88, 0x90);
6394 rt2800_bbp_write(rt2x00dev, 91, 0x04);
6395 rt2800_bbp_write(rt2x00dev, 92, 0x02);
6396 rt2800_bbp_write(rt2x00dev, 95, 0x9A);
6397 rt2800_bbp_write(rt2x00dev, 96, 0x00);
6398 rt2800_bbp_write(rt2x00dev, 103, 0xC0);
6399 rt2800_bbp_write(rt2x00dev, 104, 0x92);
6400 /* FIXME BBP105 owerwrite */
6401 rt2800_bbp_write(rt2x00dev, 105, 0x3C);
6402 rt2800_bbp_write(rt2x00dev, 106, 0x12);
6403 rt2800_bbp_write(rt2x00dev, 109, 0x00);
6404 rt2800_bbp_write(rt2x00dev, 134, 0x10);
6405 rt2800_bbp_write(rt2x00dev, 135, 0xA6);
6406 rt2800_bbp_write(rt2x00dev, 137, 0x04);
6407 rt2800_bbp_write(rt2x00dev, 142, 0x30);
6408 rt2800_bbp_write(rt2x00dev, 143, 0xF7);
6409 rt2800_bbp_write(rt2x00dev, 160, 0xEC);
6410 rt2800_bbp_write(rt2x00dev, 161, 0xC4);
6411 rt2800_bbp_write(rt2x00dev, 162, 0x77);
6412 rt2800_bbp_write(rt2x00dev, 163, 0xF9);
6413 rt2800_bbp_write(rt2x00dev, 164, 0x00);
6414 rt2800_bbp_write(rt2x00dev, 165, 0x00);
6415 rt2800_bbp_write(rt2x00dev, 186, 0x00);
6416 rt2800_bbp_write(rt2x00dev, 187, 0x00);
6417 rt2800_bbp_write(rt2x00dev, 188, 0x00);
6418 rt2800_bbp_write(rt2x00dev, 186, 0x00);
6419 rt2800_bbp_write(rt2x00dev, 187, 0x01);
6420 rt2800_bbp_write(rt2x00dev, 188, 0x00);
6421 rt2800_bbp_write(rt2x00dev, 189, 0x00);
6422
6423 rt2800_bbp_write(rt2x00dev, 91, 0x06);
6424 rt2800_bbp_write(rt2x00dev, 92, 0x04);
6425 rt2800_bbp_write(rt2x00dev, 93, 0x54);
6426 rt2800_bbp_write(rt2x00dev, 99, 0x50);
6427 rt2800_bbp_write(rt2x00dev, 148, 0x84);
6428 rt2800_bbp_write(rt2x00dev, 167, 0x80);
6429 rt2800_bbp_write(rt2x00dev, 178, 0xFF);
6430 rt2800_bbp_write(rt2x00dev, 106, 0x13);
6431
6432 /* BBP for G band GLRT function (BBP_128 ~ BBP_221) */
6433 rt2800_bbp_glrt_write(rt2x00dev, 0, 0x00);
6434 rt2800_bbp_glrt_write(rt2x00dev, 1, 0x14);
6435 rt2800_bbp_glrt_write(rt2x00dev, 2, 0x20);
6436 rt2800_bbp_glrt_write(rt2x00dev, 3, 0x0A);
6437 rt2800_bbp_glrt_write(rt2x00dev, 10, 0x16);
6438 rt2800_bbp_glrt_write(rt2x00dev, 11, 0x06);
6439 rt2800_bbp_glrt_write(rt2x00dev, 12, 0x02);
6440 rt2800_bbp_glrt_write(rt2x00dev, 13, 0x07);
6441 rt2800_bbp_glrt_write(rt2x00dev, 14, 0x05);
6442 rt2800_bbp_glrt_write(rt2x00dev, 15, 0x09);
6443 rt2800_bbp_glrt_write(rt2x00dev, 16, 0x20);
6444 rt2800_bbp_glrt_write(rt2x00dev, 17, 0x08);
6445 rt2800_bbp_glrt_write(rt2x00dev, 18, 0x4A);
6446 rt2800_bbp_glrt_write(rt2x00dev, 19, 0x00);
6447 rt2800_bbp_glrt_write(rt2x00dev, 20, 0x00);
6448 rt2800_bbp_glrt_write(rt2x00dev, 128, 0xE0);
6449 rt2800_bbp_glrt_write(rt2x00dev, 129, 0x1F);
6450 rt2800_bbp_glrt_write(rt2x00dev, 130, 0x4F);
6451 rt2800_bbp_glrt_write(rt2x00dev, 131, 0x32);
6452 rt2800_bbp_glrt_write(rt2x00dev, 132, 0x08);
6453 rt2800_bbp_glrt_write(rt2x00dev, 133, 0x28);
6454 rt2800_bbp_glrt_write(rt2x00dev, 134, 0x19);
6455 rt2800_bbp_glrt_write(rt2x00dev, 135, 0x0A);
6456 rt2800_bbp_glrt_write(rt2x00dev, 138, 0x16);
6457 rt2800_bbp_glrt_write(rt2x00dev, 139, 0x10);
6458 rt2800_bbp_glrt_write(rt2x00dev, 140, 0x10);
6459 rt2800_bbp_glrt_write(rt2x00dev, 141, 0x1A);
6460 rt2800_bbp_glrt_write(rt2x00dev, 142, 0x36);
6461 rt2800_bbp_glrt_write(rt2x00dev, 143, 0x2C);
6462 rt2800_bbp_glrt_write(rt2x00dev, 144, 0x26);
6463 rt2800_bbp_glrt_write(rt2x00dev, 145, 0x24);
6464 rt2800_bbp_glrt_write(rt2x00dev, 146, 0x42);
6465 rt2800_bbp_glrt_write(rt2x00dev, 147, 0x40);
6466 rt2800_bbp_glrt_write(rt2x00dev, 148, 0x30);
6467 rt2800_bbp_glrt_write(rt2x00dev, 149, 0x29);
6468 rt2800_bbp_glrt_write(rt2x00dev, 150, 0x4C);
6469 rt2800_bbp_glrt_write(rt2x00dev, 151, 0x46);
6470 rt2800_bbp_glrt_write(rt2x00dev, 152, 0x3D);
6471 rt2800_bbp_glrt_write(rt2x00dev, 153, 0x40);
6472 rt2800_bbp_glrt_write(rt2x00dev, 154, 0x3E);
6473 rt2800_bbp_glrt_write(rt2x00dev, 155, 0x38);
6474 rt2800_bbp_glrt_write(rt2x00dev, 156, 0x3D);
6475 rt2800_bbp_glrt_write(rt2x00dev, 157, 0x2F);
6476 rt2800_bbp_glrt_write(rt2x00dev, 158, 0x3C);
6477 rt2800_bbp_glrt_write(rt2x00dev, 159, 0x34);
6478 rt2800_bbp_glrt_write(rt2x00dev, 160, 0x2C);
6479 rt2800_bbp_glrt_write(rt2x00dev, 161, 0x2F);
6480 rt2800_bbp_glrt_write(rt2x00dev, 162, 0x3C);
6481 rt2800_bbp_glrt_write(rt2x00dev, 163, 0x35);
6482 rt2800_bbp_glrt_write(rt2x00dev, 164, 0x2E);
6483 rt2800_bbp_glrt_write(rt2x00dev, 165, 0x2F);
6484 rt2800_bbp_glrt_write(rt2x00dev, 166, 0x49);
6485 rt2800_bbp_glrt_write(rt2x00dev, 167, 0x41);
6486 rt2800_bbp_glrt_write(rt2x00dev, 168, 0x36);
6487 rt2800_bbp_glrt_write(rt2x00dev, 169, 0x39);
6488 rt2800_bbp_glrt_write(rt2x00dev, 170, 0x30);
6489 rt2800_bbp_glrt_write(rt2x00dev, 171, 0x30);
6490 rt2800_bbp_glrt_write(rt2x00dev, 172, 0x0E);
6491 rt2800_bbp_glrt_write(rt2x00dev, 173, 0x0D);
6492 rt2800_bbp_glrt_write(rt2x00dev, 174, 0x28);
6493 rt2800_bbp_glrt_write(rt2x00dev, 175, 0x21);
6494 rt2800_bbp_glrt_write(rt2x00dev, 176, 0x1C);
6495 rt2800_bbp_glrt_write(rt2x00dev, 177, 0x16);
6496 rt2800_bbp_glrt_write(rt2x00dev, 178, 0x50);
6497 rt2800_bbp_glrt_write(rt2x00dev, 179, 0x4A);
6498 rt2800_bbp_glrt_write(rt2x00dev, 180, 0x43);
6499 rt2800_bbp_glrt_write(rt2x00dev, 181, 0x50);
6500 rt2800_bbp_glrt_write(rt2x00dev, 182, 0x10);
6501 rt2800_bbp_glrt_write(rt2x00dev, 183, 0x10);
6502 rt2800_bbp_glrt_write(rt2x00dev, 184, 0x10);
6503 rt2800_bbp_glrt_write(rt2x00dev, 185, 0x10);
6504 rt2800_bbp_glrt_write(rt2x00dev, 200, 0x7D);
6505 rt2800_bbp_glrt_write(rt2x00dev, 201, 0x14);
6506 rt2800_bbp_glrt_write(rt2x00dev, 202, 0x32);
6507 rt2800_bbp_glrt_write(rt2x00dev, 203, 0x2C);
6508 rt2800_bbp_glrt_write(rt2x00dev, 204, 0x36);
6509 rt2800_bbp_glrt_write(rt2x00dev, 205, 0x4C);
6510 rt2800_bbp_glrt_write(rt2x00dev, 206, 0x43);
6511 rt2800_bbp_glrt_write(rt2x00dev, 207, 0x2C);
6512 rt2800_bbp_glrt_write(rt2x00dev, 208, 0x2E);
6513 rt2800_bbp_glrt_write(rt2x00dev, 209, 0x36);
6514 rt2800_bbp_glrt_write(rt2x00dev, 210, 0x30);
6515 rt2800_bbp_glrt_write(rt2x00dev, 211, 0x6E);
6516
6517 /* BBP for G band DCOC function */
6518 rt2800_bbp_dcoc_write(rt2x00dev, 140, 0x0C);
6519 rt2800_bbp_dcoc_write(rt2x00dev, 141, 0x00);
6520 rt2800_bbp_dcoc_write(rt2x00dev, 142, 0x10);
6521 rt2800_bbp_dcoc_write(rt2x00dev, 143, 0x10);
6522 rt2800_bbp_dcoc_write(rt2x00dev, 144, 0x10);
6523 rt2800_bbp_dcoc_write(rt2x00dev, 145, 0x10);
6524 rt2800_bbp_dcoc_write(rt2x00dev, 146, 0x08);
6525 rt2800_bbp_dcoc_write(rt2x00dev, 147, 0x40);
6526 rt2800_bbp_dcoc_write(rt2x00dev, 148, 0x04);
6527 rt2800_bbp_dcoc_write(rt2x00dev, 149, 0x04);
6528 rt2800_bbp_dcoc_write(rt2x00dev, 150, 0x08);
6529 rt2800_bbp_dcoc_write(rt2x00dev, 151, 0x08);
6530 rt2800_bbp_dcoc_write(rt2x00dev, 152, 0x03);
6531 rt2800_bbp_dcoc_write(rt2x00dev, 153, 0x03);
6532 rt2800_bbp_dcoc_write(rt2x00dev, 154, 0x03);
6533 rt2800_bbp_dcoc_write(rt2x00dev, 155, 0x02);
6534 rt2800_bbp_dcoc_write(rt2x00dev, 156, 0x40);
6535 rt2800_bbp_dcoc_write(rt2x00dev, 157, 0x40);
6536 rt2800_bbp_dcoc_write(rt2x00dev, 158, 0x64);
6537 rt2800_bbp_dcoc_write(rt2x00dev, 159, 0x64);
6538
6539 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6540 }
6541
rt2800_init_bbp(struct rt2x00_dev * rt2x00dev)6542 static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
6543 {
6544 unsigned int i;
6545 u16 eeprom;
6546 u8 reg_id;
6547 u8 value;
6548
6549 if (rt2800_is_305x_soc(rt2x00dev))
6550 rt2800_init_bbp_305x_soc(rt2x00dev);
6551
6552 switch (rt2x00dev->chip.rt) {
6553 case RT2860:
6554 case RT2872:
6555 case RT2883:
6556 rt2800_init_bbp_28xx(rt2x00dev);
6557 break;
6558 case RT3070:
6559 case RT3071:
6560 case RT3090:
6561 rt2800_init_bbp_30xx(rt2x00dev);
6562 break;
6563 case RT3290:
6564 rt2800_init_bbp_3290(rt2x00dev);
6565 break;
6566 case RT3352:
6567 case RT5350:
6568 rt2800_init_bbp_3352(rt2x00dev);
6569 break;
6570 case RT3390:
6571 rt2800_init_bbp_3390(rt2x00dev);
6572 break;
6573 case RT3572:
6574 rt2800_init_bbp_3572(rt2x00dev);
6575 break;
6576 case RT3593:
6577 rt2800_init_bbp_3593(rt2x00dev);
6578 return;
6579 case RT5390:
6580 case RT5392:
6581 rt2800_init_bbp_53xx(rt2x00dev);
6582 break;
6583 case RT5592:
6584 rt2800_init_bbp_5592(rt2x00dev);
6585 return;
6586 case RT6352:
6587 rt2800_init_bbp_6352(rt2x00dev);
6588 break;
6589 }
6590
6591 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
6592 eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
6593 EEPROM_BBP_START, i);
6594
6595 if (eeprom != 0xffff && eeprom != 0x0000) {
6596 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
6597 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
6598 rt2800_bbp_write(rt2x00dev, reg_id, value);
6599 }
6600 }
6601 }
6602
rt2800_led_open_drain_enable(struct rt2x00_dev * rt2x00dev)6603 static void rt2800_led_open_drain_enable(struct rt2x00_dev *rt2x00dev)
6604 {
6605 u32 reg;
6606
6607 reg = rt2800_register_read(rt2x00dev, OPT_14_CSR);
6608 rt2x00_set_field32(®, OPT_14_CSR_BIT0, 1);
6609 rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
6610 }
6611
rt2800_init_rx_filter(struct rt2x00_dev * rt2x00dev,bool bw40,u8 filter_target)6612 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40,
6613 u8 filter_target)
6614 {
6615 unsigned int i;
6616 u8 bbp;
6617 u8 rfcsr;
6618 u8 passband;
6619 u8 stopband;
6620 u8 overtuned = 0;
6621 u8 rfcsr24 = (bw40) ? 0x27 : 0x07;
6622
6623 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
6624
6625 bbp = rt2800_bbp_read(rt2x00dev, 4);
6626 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
6627 rt2800_bbp_write(rt2x00dev, 4, bbp);
6628
6629 rfcsr = rt2800_rfcsr_read(rt2x00dev, 31);
6630 rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
6631 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
6632
6633 rfcsr = rt2800_rfcsr_read(rt2x00dev, 22);
6634 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
6635 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
6636
6637 /*
6638 * Set power & frequency of passband test tone
6639 */
6640 rt2800_bbp_write(rt2x00dev, 24, 0);
6641
6642 for (i = 0; i < 100; i++) {
6643 rt2800_bbp_write(rt2x00dev, 25, 0x90);
6644 msleep(1);
6645
6646 passband = rt2800_bbp_read(rt2x00dev, 55);
6647 if (passband)
6648 break;
6649 }
6650
6651 /*
6652 * Set power & frequency of stopband test tone
6653 */
6654 rt2800_bbp_write(rt2x00dev, 24, 0x06);
6655
6656 for (i = 0; i < 100; i++) {
6657 rt2800_bbp_write(rt2x00dev, 25, 0x90);
6658 msleep(1);
6659
6660 stopband = rt2800_bbp_read(rt2x00dev, 55);
6661
6662 if ((passband - stopband) <= filter_target) {
6663 rfcsr24++;
6664 overtuned += ((passband - stopband) == filter_target);
6665 } else
6666 break;
6667
6668 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
6669 }
6670
6671 rfcsr24 -= !!overtuned;
6672
6673 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
6674 return rfcsr24;
6675 }
6676
rt2800_rf_init_calibration(struct rt2x00_dev * rt2x00dev,const unsigned int rf_reg)6677 static void rt2800_rf_init_calibration(struct rt2x00_dev *rt2x00dev,
6678 const unsigned int rf_reg)
6679 {
6680 u8 rfcsr;
6681
6682 rfcsr = rt2800_rfcsr_read(rt2x00dev, rf_reg);
6683 rt2x00_set_field8(&rfcsr, FIELD8(0x80), 1);
6684 rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
6685 msleep(1);
6686 rt2x00_set_field8(&rfcsr, FIELD8(0x80), 0);
6687 rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
6688 }
6689
rt2800_rx_filter_calibration(struct rt2x00_dev * rt2x00dev)6690 static void rt2800_rx_filter_calibration(struct rt2x00_dev *rt2x00dev)
6691 {
6692 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6693 u8 filter_tgt_bw20;
6694 u8 filter_tgt_bw40;
6695 u8 rfcsr, bbp;
6696
6697 /*
6698 * TODO: sync filter_tgt values with vendor driver
6699 */
6700 if (rt2x00_rt(rt2x00dev, RT3070)) {
6701 filter_tgt_bw20 = 0x16;
6702 filter_tgt_bw40 = 0x19;
6703 } else {
6704 filter_tgt_bw20 = 0x13;
6705 filter_tgt_bw40 = 0x15;
6706 }
6707
6708 drv_data->calibration_bw20 =
6709 rt2800_init_rx_filter(rt2x00dev, false, filter_tgt_bw20);
6710 drv_data->calibration_bw40 =
6711 rt2800_init_rx_filter(rt2x00dev, true, filter_tgt_bw40);
6712
6713 /*
6714 * Save BBP 25 & 26 values for later use in channel switching (for 3052)
6715 */
6716 drv_data->bbp25 = rt2800_bbp_read(rt2x00dev, 25);
6717 drv_data->bbp26 = rt2800_bbp_read(rt2x00dev, 26);
6718
6719 /*
6720 * Set back to initial state
6721 */
6722 rt2800_bbp_write(rt2x00dev, 24, 0);
6723
6724 rfcsr = rt2800_rfcsr_read(rt2x00dev, 22);
6725 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
6726 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
6727
6728 /*
6729 * Set BBP back to BW20
6730 */
6731 bbp = rt2800_bbp_read(rt2x00dev, 4);
6732 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
6733 rt2800_bbp_write(rt2x00dev, 4, bbp);
6734 }
6735
rt2800_normal_mode_setup_3xxx(struct rt2x00_dev * rt2x00dev)6736 static void rt2800_normal_mode_setup_3xxx(struct rt2x00_dev *rt2x00dev)
6737 {
6738 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6739 u8 min_gain, rfcsr, bbp;
6740 u16 eeprom;
6741
6742 rfcsr = rt2800_rfcsr_read(rt2x00dev, 17);
6743
6744 rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
6745 if (rt2x00_rt(rt2x00dev, RT3070) ||
6746 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6747 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
6748 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
6749 if (!rt2x00_has_cap_external_lna_bg(rt2x00dev))
6750 rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
6751 }
6752
6753 min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2;
6754 if (drv_data->txmixer_gain_24g >= min_gain) {
6755 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
6756 drv_data->txmixer_gain_24g);
6757 }
6758
6759 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
6760
6761 if (rt2x00_rt(rt2x00dev, RT3090)) {
6762 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
6763 bbp = rt2800_bbp_read(rt2x00dev, 138);
6764 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
6765 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
6766 rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
6767 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
6768 rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
6769 rt2800_bbp_write(rt2x00dev, 138, bbp);
6770 }
6771
6772 if (rt2x00_rt(rt2x00dev, RT3070)) {
6773 rfcsr = rt2800_rfcsr_read(rt2x00dev, 27);
6774 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
6775 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
6776 else
6777 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
6778 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
6779 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
6780 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
6781 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
6782 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
6783 rt2x00_rt(rt2x00dev, RT3090) ||
6784 rt2x00_rt(rt2x00dev, RT3390)) {
6785 rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
6786 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
6787 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
6788 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
6789 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
6790 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
6791 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
6792
6793 rfcsr = rt2800_rfcsr_read(rt2x00dev, 15);
6794 rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
6795 rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
6796
6797 rfcsr = rt2800_rfcsr_read(rt2x00dev, 20);
6798 rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
6799 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
6800
6801 rfcsr = rt2800_rfcsr_read(rt2x00dev, 21);
6802 rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
6803 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
6804 }
6805 }
6806
rt2800_normal_mode_setup_3593(struct rt2x00_dev * rt2x00dev)6807 static void rt2800_normal_mode_setup_3593(struct rt2x00_dev *rt2x00dev)
6808 {
6809 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6810 u8 rfcsr;
6811 u8 tx_gain;
6812
6813 rfcsr = rt2800_rfcsr_read(rt2x00dev, 50);
6814 rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO2_EN, 0);
6815 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
6816
6817 rfcsr = rt2800_rfcsr_read(rt2x00dev, 51);
6818 tx_gain = rt2x00_get_field8(drv_data->txmixer_gain_24g,
6819 RFCSR17_TXMIXER_GAIN);
6820 rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, tx_gain);
6821 rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
6822
6823 rfcsr = rt2800_rfcsr_read(rt2x00dev, 38);
6824 rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0);
6825 rt2800_rfcsr_write(rt2x00dev, 38, rfcsr);
6826
6827 rfcsr = rt2800_rfcsr_read(rt2x00dev, 39);
6828 rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0);
6829 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
6830
6831 rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
6832 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
6833 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
6834 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
6835
6836 rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
6837 rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
6838 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
6839
6840 /* TODO: enable stream mode */
6841 }
6842
rt2800_normal_mode_setup_5xxx(struct rt2x00_dev * rt2x00dev)6843 static void rt2800_normal_mode_setup_5xxx(struct rt2x00_dev *rt2x00dev)
6844 {
6845 u8 reg;
6846 u16 eeprom;
6847
6848 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
6849 reg = rt2800_bbp_read(rt2x00dev, 138);
6850 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
6851 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
6852 rt2x00_set_field8(®, BBP138_RX_ADC1, 0);
6853 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
6854 rt2x00_set_field8(®, BBP138_TX_DAC1, 1);
6855 rt2800_bbp_write(rt2x00dev, 138, reg);
6856
6857 reg = rt2800_rfcsr_read(rt2x00dev, 38);
6858 rt2x00_set_field8(®, RFCSR38_RX_LO1_EN, 0);
6859 rt2800_rfcsr_write(rt2x00dev, 38, reg);
6860
6861 reg = rt2800_rfcsr_read(rt2x00dev, 39);
6862 rt2x00_set_field8(®, RFCSR39_RX_LO2_EN, 0);
6863 rt2800_rfcsr_write(rt2x00dev, 39, reg);
6864
6865 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6866
6867 reg = rt2800_rfcsr_read(rt2x00dev, 30);
6868 rt2x00_set_field8(®, RFCSR30_RX_VCM, 2);
6869 rt2800_rfcsr_write(rt2x00dev, 30, reg);
6870 }
6871
rt2800_init_rfcsr_305x_soc(struct rt2x00_dev * rt2x00dev)6872 static void rt2800_init_rfcsr_305x_soc(struct rt2x00_dev *rt2x00dev)
6873 {
6874 rt2800_rf_init_calibration(rt2x00dev, 30);
6875
6876 rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
6877 rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
6878 rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
6879 rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
6880 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
6881 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
6882 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
6883 rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
6884 rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
6885 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
6886 rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
6887 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
6888 rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
6889 rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
6890 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
6891 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
6892 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
6893 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
6894 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
6895 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
6896 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
6897 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
6898 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6899 rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
6900 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
6901 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
6902 rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
6903 rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
6904 rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
6905 rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
6906 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
6907 rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
6908 }
6909
rt2800_init_rfcsr_30xx(struct rt2x00_dev * rt2x00dev)6910 static void rt2800_init_rfcsr_30xx(struct rt2x00_dev *rt2x00dev)
6911 {
6912 u8 rfcsr;
6913 u16 eeprom;
6914 u32 reg;
6915
6916 /* XXX vendor driver do this only for 3070 */
6917 rt2800_rf_init_calibration(rt2x00dev, 30);
6918
6919 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
6920 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
6921 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
6922 rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
6923 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
6924 rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
6925 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
6926 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
6927 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
6928 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
6929 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
6930 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
6931 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
6932 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
6933 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
6934 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
6935 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
6936 rt2800_rfcsr_write(rt2x00dev, 25, 0x03);
6937 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
6938
6939 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
6940 reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
6941 rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1);
6942 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6943 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6944 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
6945 rt2x00_rt(rt2x00dev, RT3090)) {
6946 rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
6947
6948 rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
6949 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
6950 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
6951
6952 reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
6953 rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1);
6954 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6955 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
6956 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
6957 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
6958 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6959 else
6960 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6961 }
6962 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6963
6964 reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
6965 rt2x00_set_field32(®, GPIO_SWITCH_5, 0);
6966 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6967 }
6968
6969 rt2800_rx_filter_calibration(rt2x00dev);
6970
6971 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
6972 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6973 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E))
6974 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6975
6976 rt2800_led_open_drain_enable(rt2x00dev);
6977 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6978 }
6979
rt2800_init_rfcsr_3290(struct rt2x00_dev * rt2x00dev)6980 static void rt2800_init_rfcsr_3290(struct rt2x00_dev *rt2x00dev)
6981 {
6982 u8 rfcsr;
6983
6984 rt2800_rf_init_calibration(rt2x00dev, 2);
6985
6986 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
6987 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6988 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
6989 rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
6990 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
6991 rt2800_rfcsr_write(rt2x00dev, 8, 0xf3);
6992 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6993 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6994 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6995 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
6996 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6997 rt2800_rfcsr_write(rt2x00dev, 18, 0x02);
6998 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6999 rt2800_rfcsr_write(rt2x00dev, 25, 0x83);
7000 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
7001 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
7002 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
7003 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7004 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7005 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
7006 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
7007 rt2800_rfcsr_write(rt2x00dev, 34, 0x05);
7008 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
7009 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
7010 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
7011 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
7012 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
7013 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
7014 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
7015 rt2800_rfcsr_write(rt2x00dev, 43, 0x7b);
7016 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
7017 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
7018 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
7019 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
7020 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
7021 rt2800_rfcsr_write(rt2x00dev, 49, 0x98);
7022 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
7023 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
7024 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
7025 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
7026 rt2800_rfcsr_write(rt2x00dev, 56, 0x02);
7027 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
7028 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
7029 rt2800_rfcsr_write(rt2x00dev, 59, 0x09);
7030 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
7031 rt2800_rfcsr_write(rt2x00dev, 61, 0xc1);
7032
7033 rfcsr = rt2800_rfcsr_read(rt2x00dev, 29);
7034 rt2x00_set_field8(&rfcsr, RFCSR29_RSSI_GAIN, 3);
7035 rt2800_rfcsr_write(rt2x00dev, 29, rfcsr);
7036
7037 rt2800_led_open_drain_enable(rt2x00dev);
7038 rt2800_normal_mode_setup_3xxx(rt2x00dev);
7039 }
7040
rt2800_init_rfcsr_3352(struct rt2x00_dev * rt2x00dev)7041 static void rt2800_init_rfcsr_3352(struct rt2x00_dev *rt2x00dev)
7042 {
7043 int tx0_ext_pa = test_bit(CAPABILITY_EXTERNAL_PA_TX0,
7044 &rt2x00dev->cap_flags);
7045 int tx1_ext_pa = test_bit(CAPABILITY_EXTERNAL_PA_TX1,
7046 &rt2x00dev->cap_flags);
7047 u8 rfcsr;
7048
7049 rt2800_rf_init_calibration(rt2x00dev, 30);
7050
7051 rt2800_rfcsr_write(rt2x00dev, 0, 0xf0);
7052 rt2800_rfcsr_write(rt2x00dev, 1, 0x23);
7053 rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
7054 rt2800_rfcsr_write(rt2x00dev, 3, 0x18);
7055 rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
7056 rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
7057 rt2800_rfcsr_write(rt2x00dev, 6, 0x33);
7058 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
7059 rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
7060 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
7061 rt2800_rfcsr_write(rt2x00dev, 10, 0xd2);
7062 rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
7063 rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
7064 rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
7065 rt2800_rfcsr_write(rt2x00dev, 14, 0x5a);
7066 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
7067 rt2800_rfcsr_write(rt2x00dev, 16, 0x01);
7068 rt2800_rfcsr_write(rt2x00dev, 18, 0x45);
7069 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
7070 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
7071 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
7072 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
7073 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
7074 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
7075 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
7076 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
7077 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
7078 rt2800_rfcsr_write(rt2x00dev, 28, 0x03);
7079 rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
7080 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7081 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7082 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
7083 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
7084 rfcsr = 0x01;
7085 if (tx0_ext_pa)
7086 rt2x00_set_field8(&rfcsr, RFCSR34_TX0_EXT_PA, 1);
7087 if (tx1_ext_pa)
7088 rt2x00_set_field8(&rfcsr, RFCSR34_TX1_EXT_PA, 1);
7089 rt2800_rfcsr_write(rt2x00dev, 34, rfcsr);
7090 rt2800_rfcsr_write(rt2x00dev, 35, 0x03);
7091 rt2800_rfcsr_write(rt2x00dev, 36, 0xbd);
7092 rt2800_rfcsr_write(rt2x00dev, 37, 0x3c);
7093 rt2800_rfcsr_write(rt2x00dev, 38, 0x5f);
7094 rt2800_rfcsr_write(rt2x00dev, 39, 0xc5);
7095 rt2800_rfcsr_write(rt2x00dev, 40, 0x33);
7096 rfcsr = 0x52;
7097 if (!tx0_ext_pa) {
7098 rt2x00_set_field8(&rfcsr, RFCSR41_BIT1, 1);
7099 rt2x00_set_field8(&rfcsr, RFCSR41_BIT4, 1);
7100 }
7101 rt2800_rfcsr_write(rt2x00dev, 41, rfcsr);
7102 rfcsr = 0x52;
7103 if (!tx1_ext_pa) {
7104 rt2x00_set_field8(&rfcsr, RFCSR42_BIT1, 1);
7105 rt2x00_set_field8(&rfcsr, RFCSR42_BIT4, 1);
7106 }
7107 rt2800_rfcsr_write(rt2x00dev, 42, rfcsr);
7108 rt2800_rfcsr_write(rt2x00dev, 43, 0xdb);
7109 rt2800_rfcsr_write(rt2x00dev, 44, 0xdb);
7110 rt2800_rfcsr_write(rt2x00dev, 45, 0xdb);
7111 rt2800_rfcsr_write(rt2x00dev, 46, 0xdd);
7112 rt2800_rfcsr_write(rt2x00dev, 47, 0x0d);
7113 rt2800_rfcsr_write(rt2x00dev, 48, 0x14);
7114 rt2800_rfcsr_write(rt2x00dev, 49, 0x00);
7115 rfcsr = 0x2d;
7116 if (tx0_ext_pa)
7117 rt2x00_set_field8(&rfcsr, RFCSR50_TX0_EXT_PA, 1);
7118 if (tx1_ext_pa)
7119 rt2x00_set_field8(&rfcsr, RFCSR50_TX1_EXT_PA, 1);
7120 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
7121 rt2800_rfcsr_write(rt2x00dev, 51, (tx0_ext_pa ? 0x52 : 0x7f));
7122 rt2800_rfcsr_write(rt2x00dev, 52, (tx0_ext_pa ? 0xc0 : 0x00));
7123 rt2800_rfcsr_write(rt2x00dev, 53, (tx0_ext_pa ? 0xd2 : 0x52));
7124 rt2800_rfcsr_write(rt2x00dev, 54, (tx0_ext_pa ? 0xc0 : 0x1b));
7125 rt2800_rfcsr_write(rt2x00dev, 55, (tx1_ext_pa ? 0x52 : 0x7f));
7126 rt2800_rfcsr_write(rt2x00dev, 56, (tx1_ext_pa ? 0xc0 : 0x00));
7127 rt2800_rfcsr_write(rt2x00dev, 57, (tx0_ext_pa ? 0x49 : 0x52));
7128 rt2800_rfcsr_write(rt2x00dev, 58, (tx1_ext_pa ? 0xc0 : 0x1b));
7129 rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
7130 rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
7131 rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
7132 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
7133 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
7134
7135 rt2800_rx_filter_calibration(rt2x00dev);
7136 rt2800_led_open_drain_enable(rt2x00dev);
7137 rt2800_normal_mode_setup_3xxx(rt2x00dev);
7138 }
7139
rt2800_init_rfcsr_3390(struct rt2x00_dev * rt2x00dev)7140 static void rt2800_init_rfcsr_3390(struct rt2x00_dev *rt2x00dev)
7141 {
7142 u32 reg;
7143
7144 rt2800_rf_init_calibration(rt2x00dev, 30);
7145
7146 rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
7147 rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
7148 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
7149 rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
7150 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
7151 rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
7152 rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
7153 rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
7154 rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
7155 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
7156 rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
7157 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
7158 rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
7159 rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
7160 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
7161 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
7162 rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
7163 rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
7164 rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
7165 rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
7166 rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
7167 rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
7168 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
7169 rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
7170 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
7171 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
7172 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
7173 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
7174 rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
7175 rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
7176 rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
7177 rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
7178
7179 reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
7180 rt2x00_set_field32(®, GPIO_SWITCH_5, 0);
7181 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
7182
7183 rt2800_rx_filter_calibration(rt2x00dev);
7184
7185 if (rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
7186 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
7187
7188 rt2800_led_open_drain_enable(rt2x00dev);
7189 rt2800_normal_mode_setup_3xxx(rt2x00dev);
7190 }
7191
rt2800_init_rfcsr_3572(struct rt2x00_dev * rt2x00dev)7192 static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev)
7193 {
7194 u8 rfcsr;
7195 u32 reg;
7196
7197 rt2800_rf_init_calibration(rt2x00dev, 30);
7198
7199 rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
7200 rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
7201 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
7202 rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
7203 rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
7204 rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
7205 rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
7206 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
7207 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
7208 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
7209 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
7210 rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
7211 rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
7212 rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
7213 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
7214 rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
7215 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
7216 rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
7217 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
7218 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
7219 rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
7220 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
7221 rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
7222 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
7223 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
7224 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
7225 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
7226 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
7227 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
7228 rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
7229 rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
7230
7231 rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
7232 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
7233 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
7234
7235 reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
7236 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3);
7237 rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1);
7238 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
7239 msleep(1);
7240 reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
7241 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0);
7242 rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1);
7243 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
7244
7245 rt2800_rx_filter_calibration(rt2x00dev);
7246 rt2800_led_open_drain_enable(rt2x00dev);
7247 rt2800_normal_mode_setup_3xxx(rt2x00dev);
7248 }
7249
rt3593_post_bbp_init(struct rt2x00_dev * rt2x00dev)7250 static void rt3593_post_bbp_init(struct rt2x00_dev *rt2x00dev)
7251 {
7252 u8 bbp;
7253 bool txbf_enabled = false; /* FIXME */
7254
7255 bbp = rt2800_bbp_read(rt2x00dev, 105);
7256 if (rt2x00dev->default_ant.rx_chain_num == 1)
7257 rt2x00_set_field8(&bbp, BBP105_MLD, 0);
7258 else
7259 rt2x00_set_field8(&bbp, BBP105_MLD, 1);
7260 rt2800_bbp_write(rt2x00dev, 105, bbp);
7261
7262 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
7263
7264 rt2800_bbp_write(rt2x00dev, 92, 0x02);
7265 rt2800_bbp_write(rt2x00dev, 82, 0x82);
7266 rt2800_bbp_write(rt2x00dev, 106, 0x05);
7267 rt2800_bbp_write(rt2x00dev, 104, 0x92);
7268 rt2800_bbp_write(rt2x00dev, 88, 0x90);
7269 rt2800_bbp_write(rt2x00dev, 148, 0xc8);
7270 rt2800_bbp_write(rt2x00dev, 47, 0x48);
7271 rt2800_bbp_write(rt2x00dev, 120, 0x50);
7272
7273 if (txbf_enabled)
7274 rt2800_bbp_write(rt2x00dev, 163, 0xbd);
7275 else
7276 rt2800_bbp_write(rt2x00dev, 163, 0x9d);
7277
7278 /* SNR mapping */
7279 rt2800_bbp_write(rt2x00dev, 142, 6);
7280 rt2800_bbp_write(rt2x00dev, 143, 160);
7281 rt2800_bbp_write(rt2x00dev, 142, 7);
7282 rt2800_bbp_write(rt2x00dev, 143, 161);
7283 rt2800_bbp_write(rt2x00dev, 142, 8);
7284 rt2800_bbp_write(rt2x00dev, 143, 162);
7285
7286 /* ADC/DAC control */
7287 rt2800_bbp_write(rt2x00dev, 31, 0x08);
7288
7289 /* RX AGC energy lower bound in log2 */
7290 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
7291
7292 /* FIXME: BBP 105 owerwrite? */
7293 rt2800_bbp_write(rt2x00dev, 105, 0x04);
7294
7295 }
7296
rt2800_init_rfcsr_3593(struct rt2x00_dev * rt2x00dev)7297 static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev)
7298 {
7299 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
7300 u32 reg;
7301 u8 rfcsr;
7302
7303 /* Disable GPIO #4 and #7 function for LAN PE control */
7304 reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
7305 rt2x00_set_field32(®, GPIO_SWITCH_4, 0);
7306 rt2x00_set_field32(®, GPIO_SWITCH_7, 0);
7307 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
7308
7309 /* Initialize default register values */
7310 rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
7311 rt2800_rfcsr_write(rt2x00dev, 3, 0x80);
7312 rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
7313 rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
7314 rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
7315 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
7316 rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
7317 rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
7318 rt2800_rfcsr_write(rt2x00dev, 12, 0x4e);
7319 rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
7320 rt2800_rfcsr_write(rt2x00dev, 18, 0x40);
7321 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
7322 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7323 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7324 rt2800_rfcsr_write(rt2x00dev, 32, 0x78);
7325 rt2800_rfcsr_write(rt2x00dev, 33, 0x3b);
7326 rt2800_rfcsr_write(rt2x00dev, 34, 0x3c);
7327 rt2800_rfcsr_write(rt2x00dev, 35, 0xe0);
7328 rt2800_rfcsr_write(rt2x00dev, 38, 0x86);
7329 rt2800_rfcsr_write(rt2x00dev, 39, 0x23);
7330 rt2800_rfcsr_write(rt2x00dev, 44, 0xd3);
7331 rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
7332 rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
7333 rt2800_rfcsr_write(rt2x00dev, 49, 0x8e);
7334 rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
7335 rt2800_rfcsr_write(rt2x00dev, 51, 0x75);
7336 rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
7337 rt2800_rfcsr_write(rt2x00dev, 53, 0x18);
7338 rt2800_rfcsr_write(rt2x00dev, 54, 0x18);
7339 rt2800_rfcsr_write(rt2x00dev, 55, 0x18);
7340 rt2800_rfcsr_write(rt2x00dev, 56, 0xdb);
7341 rt2800_rfcsr_write(rt2x00dev, 57, 0x6e);
7342
7343 /* Initiate calibration */
7344 /* TODO: use rt2800_rf_init_calibration ? */
7345 rfcsr = rt2800_rfcsr_read(rt2x00dev, 2);
7346 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
7347 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
7348
7349 rt2800_freq_cal_mode1(rt2x00dev);
7350
7351 rfcsr = rt2800_rfcsr_read(rt2x00dev, 18);
7352 rt2x00_set_field8(&rfcsr, RFCSR18_XO_TUNE_BYPASS, 1);
7353 rt2800_rfcsr_write(rt2x00dev, 18, rfcsr);
7354
7355 reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
7356 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3);
7357 rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1);
7358 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
7359 usleep_range(1000, 1500);
7360 reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
7361 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0);
7362 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
7363
7364 /* Set initial values for RX filter calibration */
7365 drv_data->calibration_bw20 = 0x1f;
7366 drv_data->calibration_bw40 = 0x2f;
7367
7368 /* Save BBP 25 & 26 values for later use in channel switching */
7369 drv_data->bbp25 = rt2800_bbp_read(rt2x00dev, 25);
7370 drv_data->bbp26 = rt2800_bbp_read(rt2x00dev, 26);
7371
7372 rt2800_led_open_drain_enable(rt2x00dev);
7373 rt2800_normal_mode_setup_3593(rt2x00dev);
7374
7375 rt3593_post_bbp_init(rt2x00dev);
7376
7377 /* TODO: enable stream mode support */
7378 }
7379
rt2800_init_rfcsr_5350(struct rt2x00_dev * rt2x00dev)7380 static void rt2800_init_rfcsr_5350(struct rt2x00_dev *rt2x00dev)
7381 {
7382 rt2800_rfcsr_write(rt2x00dev, 0, 0xf0);
7383 rt2800_rfcsr_write(rt2x00dev, 1, 0x23);
7384 rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
7385 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
7386 rt2800_rfcsr_write(rt2x00dev, 4, 0x49);
7387 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
7388 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
7389 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
7390 rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
7391 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
7392 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
7393 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
7394 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
7395 if (rt2800_clk_is_20mhz(rt2x00dev))
7396 rt2800_rfcsr_write(rt2x00dev, 13, 0x1f);
7397 else
7398 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
7399 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
7400 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
7401 rt2800_rfcsr_write(rt2x00dev, 16, 0xc0);
7402 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
7403 rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
7404 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
7405 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
7406 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
7407 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
7408 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
7409 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
7410 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
7411 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
7412 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
7413 rt2800_rfcsr_write(rt2x00dev, 29, 0xd0);
7414 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7415 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7416 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
7417 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
7418 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
7419 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
7420 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
7421 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
7422 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
7423 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
7424 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
7425 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
7426 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
7427 rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
7428 rt2800_rfcsr_write(rt2x00dev, 44, 0x0c);
7429 rt2800_rfcsr_write(rt2x00dev, 45, 0xa6);
7430 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
7431 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
7432 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
7433 rt2800_rfcsr_write(rt2x00dev, 49, 0x80);
7434 rt2800_rfcsr_write(rt2x00dev, 50, 0x00);
7435 rt2800_rfcsr_write(rt2x00dev, 51, 0x00);
7436 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
7437 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
7438 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
7439 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
7440 rt2800_rfcsr_write(rt2x00dev, 56, 0x82);
7441 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
7442 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
7443 rt2800_rfcsr_write(rt2x00dev, 59, 0x0b);
7444 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
7445 rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
7446 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
7447 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
7448 }
7449
rt2800_init_rfcsr_5390(struct rt2x00_dev * rt2x00dev)7450 static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
7451 {
7452 rt2800_rf_init_calibration(rt2x00dev, 2);
7453
7454 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
7455 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
7456 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
7457 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
7458 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
7459 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
7460 else
7461 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
7462 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
7463 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
7464 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
7465 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
7466 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
7467 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
7468 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
7469 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
7470 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
7471 rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
7472
7473 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
7474 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
7475 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
7476 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
7477 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
7478 if (rt2x00_is_usb(rt2x00dev) &&
7479 rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
7480 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
7481 else
7482 rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
7483 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
7484 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
7485 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
7486 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
7487
7488 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7489 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7490 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
7491 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
7492 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
7493 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
7494 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
7495 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
7496 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
7497 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
7498
7499 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
7500 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
7501 rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
7502 rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
7503 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
7504 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
7505 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
7506 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
7507 else
7508 rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
7509 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
7510 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
7511 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
7512
7513 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
7514 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
7515 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
7516 else
7517 rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
7518 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
7519 rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
7520 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
7521 rt2800_rfcsr_write(rt2x00dev, 56, 0x42);
7522 else
7523 rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
7524 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
7525 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
7526 rt2800_rfcsr_write(rt2x00dev, 59, 0x8f);
7527
7528 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
7529 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
7530 if (rt2x00_is_usb(rt2x00dev))
7531 rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
7532 else
7533 rt2800_rfcsr_write(rt2x00dev, 61, 0xd5);
7534 } else {
7535 if (rt2x00_is_usb(rt2x00dev))
7536 rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
7537 else
7538 rt2800_rfcsr_write(rt2x00dev, 61, 0xb5);
7539 }
7540 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
7541 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
7542
7543 rt2800_normal_mode_setup_5xxx(rt2x00dev);
7544
7545 rt2800_led_open_drain_enable(rt2x00dev);
7546 }
7547
rt2800_init_rfcsr_5392(struct rt2x00_dev * rt2x00dev)7548 static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev)
7549 {
7550 rt2800_rf_init_calibration(rt2x00dev, 2);
7551
7552 rt2800_rfcsr_write(rt2x00dev, 1, 0x17);
7553 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
7554 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
7555 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
7556 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
7557 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
7558 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
7559 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
7560 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
7561 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
7562 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
7563 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
7564 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
7565 rt2800_rfcsr_write(rt2x00dev, 19, 0x4d);
7566 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
7567 rt2800_rfcsr_write(rt2x00dev, 21, 0x8d);
7568 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
7569 rt2800_rfcsr_write(rt2x00dev, 23, 0x0b);
7570 rt2800_rfcsr_write(rt2x00dev, 24, 0x44);
7571 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
7572 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
7573 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
7574 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
7575 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
7576 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7577 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7578 rt2800_rfcsr_write(rt2x00dev, 32, 0x20);
7579 rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
7580 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
7581 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
7582 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
7583 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
7584 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
7585 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
7586 rt2800_rfcsr_write(rt2x00dev, 40, 0x0f);
7587 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
7588 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
7589 rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
7590 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
7591 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
7592 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
7593 rt2800_rfcsr_write(rt2x00dev, 47, 0x0c);
7594 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
7595 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
7596 rt2800_rfcsr_write(rt2x00dev, 50, 0x94);
7597 rt2800_rfcsr_write(rt2x00dev, 51, 0x3a);
7598 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
7599 rt2800_rfcsr_write(rt2x00dev, 53, 0x44);
7600 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
7601 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
7602 rt2800_rfcsr_write(rt2x00dev, 56, 0xa1);
7603 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
7604 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
7605 rt2800_rfcsr_write(rt2x00dev, 59, 0x07);
7606 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
7607 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
7608 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
7609 rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
7610
7611 rt2800_normal_mode_setup_5xxx(rt2x00dev);
7612
7613 rt2800_led_open_drain_enable(rt2x00dev);
7614 }
7615
rt2800_init_rfcsr_5592(struct rt2x00_dev * rt2x00dev)7616 static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev)
7617 {
7618 rt2800_rf_init_calibration(rt2x00dev, 30);
7619
7620 rt2800_rfcsr_write(rt2x00dev, 1, 0x3F);
7621 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
7622 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
7623 rt2800_rfcsr_write(rt2x00dev, 6, 0xE4);
7624 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
7625 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
7626 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
7627 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
7628 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
7629 rt2800_rfcsr_write(rt2x00dev, 19, 0x4D);
7630 rt2800_rfcsr_write(rt2x00dev, 20, 0x10);
7631 rt2800_rfcsr_write(rt2x00dev, 21, 0x8D);
7632 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
7633 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
7634 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
7635 rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
7636 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
7637 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
7638 rt2800_rfcsr_write(rt2x00dev, 47, 0x0C);
7639 rt2800_rfcsr_write(rt2x00dev, 53, 0x22);
7640 rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
7641
7642 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
7643 msleep(1);
7644
7645 rt2800_freq_cal_mode1(rt2x00dev);
7646
7647 /* Enable DC filter */
7648 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
7649 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
7650
7651 rt2800_normal_mode_setup_5xxx(rt2x00dev);
7652
7653 if (rt2x00_rt_rev_lt(rt2x00dev, RT5592, REV_RT5592C))
7654 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
7655
7656 rt2800_led_open_drain_enable(rt2x00dev);
7657 }
7658
rt2800_bbp_core_soft_reset(struct rt2x00_dev * rt2x00dev,bool set_bw,bool is_ht40)7659 static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
7660 bool set_bw, bool is_ht40)
7661 {
7662 u8 bbp_val;
7663
7664 bbp_val = rt2800_bbp_read(rt2x00dev, 21);
7665 bbp_val |= 0x1;
7666 rt2800_bbp_write(rt2x00dev, 21, bbp_val);
7667 usleep_range(100, 200);
7668
7669 if (set_bw) {
7670 bbp_val = rt2800_bbp_read(rt2x00dev, 4);
7671 rt2x00_set_field8(&bbp_val, BBP4_BANDWIDTH, 2 * is_ht40);
7672 rt2800_bbp_write(rt2x00dev, 4, bbp_val);
7673 usleep_range(100, 200);
7674 }
7675
7676 bbp_val = rt2800_bbp_read(rt2x00dev, 21);
7677 bbp_val &= (~0x1);
7678 rt2800_bbp_write(rt2x00dev, 21, bbp_val);
7679 usleep_range(100, 200);
7680 }
7681
rt2800_rf_lp_config(struct rt2x00_dev * rt2x00dev,bool btxcal)7682 static int rt2800_rf_lp_config(struct rt2x00_dev *rt2x00dev, bool btxcal)
7683 {
7684 u8 rf_val;
7685
7686 if (btxcal)
7687 rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04);
7688 else
7689 rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x02);
7690
7691 rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x06);
7692
7693 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17);
7694 rf_val |= 0x80;
7695 rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, rf_val);
7696
7697 if (btxcal) {
7698 rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xC1);
7699 rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x20);
7700 rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x02);
7701 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3);
7702 rf_val &= (~0x3F);
7703 rf_val |= 0x3F;
7704 rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rf_val);
7705 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
7706 rf_val &= (~0x3F);
7707 rf_val |= 0x3F;
7708 rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rf_val);
7709 rt2800_rfcsr_write_bank(rt2x00dev, 5, 5, 0x31);
7710 } else {
7711 rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xF1);
7712 rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x18);
7713 rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x02);
7714 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3);
7715 rf_val &= (~0x3F);
7716 rf_val |= 0x34;
7717 rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rf_val);
7718 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
7719 rf_val &= (~0x3F);
7720 rf_val |= 0x34;
7721 rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rf_val);
7722 }
7723
7724 return 0;
7725 }
7726
rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev * rt2x00dev)7727 static char rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev *rt2x00dev)
7728 {
7729 unsigned int cnt;
7730 u8 bbp_val;
7731 char cal_val;
7732
7733 rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x82);
7734
7735 cnt = 0;
7736 do {
7737 usleep_range(500, 2000);
7738 bbp_val = rt2800_bbp_read(rt2x00dev, 159);
7739 if (bbp_val == 0x02 || cnt == 20)
7740 break;
7741
7742 cnt++;
7743 } while (cnt < 20);
7744
7745 bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 0x39);
7746 cal_val = bbp_val & 0x7F;
7747 if (cal_val >= 0x40)
7748 cal_val -= 128;
7749
7750 return cal_val;
7751 }
7752
rt2800_bw_filter_calibration(struct rt2x00_dev * rt2x00dev,bool btxcal)7753 static void rt2800_bw_filter_calibration(struct rt2x00_dev *rt2x00dev,
7754 bool btxcal)
7755 {
7756 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
7757 u8 tx_agc_fc = 0, rx_agc_fc = 0, cmm_agc_fc;
7758 u8 filter_target;
7759 u8 tx_filter_target_20m = 0x09, tx_filter_target_40m = 0x02;
7760 u8 rx_filter_target_20m = 0x27, rx_filter_target_40m = 0x31;
7761 int loop = 0, is_ht40, cnt;
7762 u8 bbp_val, rf_val;
7763 char cal_r32_init, cal_r32_val, cal_diff;
7764 u8 saverfb5r00, saverfb5r01, saverfb5r03, saverfb5r04, saverfb5r05;
7765 u8 saverfb5r06, saverfb5r07;
7766 u8 saverfb5r08, saverfb5r17, saverfb5r18, saverfb5r19, saverfb5r20;
7767 u8 saverfb5r37, saverfb5r38, saverfb5r39, saverfb5r40, saverfb5r41;
7768 u8 saverfb5r42, saverfb5r43, saverfb5r44, saverfb5r45, saverfb5r46;
7769 u8 saverfb5r58, saverfb5r59;
7770 u8 savebbp159r0, savebbp159r2, savebbpr23;
7771 u32 MAC_RF_CONTROL0, MAC_RF_BYPASS0;
7772
7773 /* Save MAC registers */
7774 MAC_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
7775 MAC_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0);
7776
7777 /* save BBP registers */
7778 savebbpr23 = rt2800_bbp_read(rt2x00dev, 23);
7779
7780 savebbp159r0 = rt2800_bbp_dcoc_read(rt2x00dev, 0);
7781 savebbp159r2 = rt2800_bbp_dcoc_read(rt2x00dev, 2);
7782
7783 /* Save RF registers */
7784 saverfb5r00 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0);
7785 saverfb5r01 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
7786 saverfb5r03 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3);
7787 saverfb5r04 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
7788 saverfb5r05 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 5);
7789 saverfb5r06 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6);
7790 saverfb5r07 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7);
7791 saverfb5r08 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 8);
7792 saverfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17);
7793 saverfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18);
7794 saverfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19);
7795 saverfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20);
7796
7797 saverfb5r37 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 37);
7798 saverfb5r38 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 38);
7799 saverfb5r39 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 39);
7800 saverfb5r40 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 40);
7801 saverfb5r41 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 41);
7802 saverfb5r42 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 42);
7803 saverfb5r43 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 43);
7804 saverfb5r44 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 44);
7805 saverfb5r45 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 45);
7806 saverfb5r46 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 46);
7807
7808 saverfb5r58 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58);
7809 saverfb5r59 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59);
7810
7811 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0);
7812 rf_val |= 0x3;
7813 rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, rf_val);
7814
7815 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
7816 rf_val |= 0x1;
7817 rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, rf_val);
7818
7819 cnt = 0;
7820 do {
7821 usleep_range(500, 2000);
7822 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
7823 if (((rf_val & 0x1) == 0x00) || (cnt == 40))
7824 break;
7825 cnt++;
7826 } while (cnt < 40);
7827
7828 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0);
7829 rf_val &= (~0x3);
7830 rf_val |= 0x1;
7831 rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, rf_val);
7832
7833 /* I-3 */
7834 bbp_val = rt2800_bbp_read(rt2x00dev, 23);
7835 bbp_val &= (~0x1F);
7836 bbp_val |= 0x10;
7837 rt2800_bbp_write(rt2x00dev, 23, bbp_val);
7838
7839 do {
7840 /* I-4,5,6,7,8,9 */
7841 if (loop == 0) {
7842 is_ht40 = false;
7843
7844 if (btxcal)
7845 filter_target = tx_filter_target_20m;
7846 else
7847 filter_target = rx_filter_target_20m;
7848 } else {
7849 is_ht40 = true;
7850
7851 if (btxcal)
7852 filter_target = tx_filter_target_40m;
7853 else
7854 filter_target = rx_filter_target_40m;
7855 }
7856
7857 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 8);
7858 rf_val &= (~0x04);
7859 if (loop == 1)
7860 rf_val |= 0x4;
7861
7862 rt2800_rfcsr_write_bank(rt2x00dev, 5, 8, rf_val);
7863
7864 rt2800_bbp_core_soft_reset(rt2x00dev, true, is_ht40);
7865
7866 rt2800_rf_lp_config(rt2x00dev, btxcal);
7867 if (btxcal) {
7868 tx_agc_fc = 0;
7869 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58);
7870 rf_val &= (~0x7F);
7871 rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rf_val);
7872 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59);
7873 rf_val &= (~0x7F);
7874 rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rf_val);
7875 } else {
7876 rx_agc_fc = 0;
7877 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6);
7878 rf_val &= (~0x7F);
7879 rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rf_val);
7880 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7);
7881 rf_val &= (~0x7F);
7882 rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rf_val);
7883 }
7884
7885 usleep_range(1000, 2000);
7886
7887 bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 2);
7888 bbp_val &= (~0x6);
7889 rt2800_bbp_dcoc_write(rt2x00dev, 2, bbp_val);
7890
7891 rt2800_bbp_core_soft_reset(rt2x00dev, false, is_ht40);
7892
7893 cal_r32_init = rt2800_lp_tx_filter_bw_cal(rt2x00dev);
7894
7895 bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 2);
7896 bbp_val |= 0x6;
7897 rt2800_bbp_dcoc_write(rt2x00dev, 2, bbp_val);
7898 do_cal:
7899 if (btxcal) {
7900 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58);
7901 rf_val &= (~0x7F);
7902 rf_val |= tx_agc_fc;
7903 rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rf_val);
7904 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59);
7905 rf_val &= (~0x7F);
7906 rf_val |= tx_agc_fc;
7907 rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rf_val);
7908 } else {
7909 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6);
7910 rf_val &= (~0x7F);
7911 rf_val |= rx_agc_fc;
7912 rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rf_val);
7913 rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7);
7914 rf_val &= (~0x7F);
7915 rf_val |= rx_agc_fc;
7916 rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rf_val);
7917 }
7918
7919 usleep_range(500, 1000);
7920
7921 rt2800_bbp_core_soft_reset(rt2x00dev, false, is_ht40);
7922
7923 cal_r32_val = rt2800_lp_tx_filter_bw_cal(rt2x00dev);
7924
7925 cal_diff = cal_r32_init - cal_r32_val;
7926
7927 if (btxcal)
7928 cmm_agc_fc = tx_agc_fc;
7929 else
7930 cmm_agc_fc = rx_agc_fc;
7931
7932 if (((cal_diff > filter_target) && (cmm_agc_fc == 0)) ||
7933 ((cal_diff < filter_target) && (cmm_agc_fc == 0x3f))) {
7934 if (btxcal)
7935 tx_agc_fc = 0;
7936 else
7937 rx_agc_fc = 0;
7938 } else if ((cal_diff <= filter_target) && (cmm_agc_fc < 0x3f)) {
7939 if (btxcal)
7940 tx_agc_fc++;
7941 else
7942 rx_agc_fc++;
7943 goto do_cal;
7944 }
7945
7946 if (btxcal) {
7947 if (loop == 0)
7948 drv_data->tx_calibration_bw20 = tx_agc_fc;
7949 else
7950 drv_data->tx_calibration_bw40 = tx_agc_fc;
7951 } else {
7952 if (loop == 0)
7953 drv_data->rx_calibration_bw20 = rx_agc_fc;
7954 else
7955 drv_data->rx_calibration_bw40 = rx_agc_fc;
7956 }
7957
7958 loop++;
7959 } while (loop <= 1);
7960
7961 rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, saverfb5r00);
7962 rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, saverfb5r01);
7963 rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, saverfb5r03);
7964 rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r04);
7965 rt2800_rfcsr_write_bank(rt2x00dev, 5, 5, saverfb5r05);
7966 rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, saverfb5r06);
7967 rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, saverfb5r07);
7968 rt2800_rfcsr_write_bank(rt2x00dev, 5, 8, saverfb5r08);
7969 rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, saverfb5r17);
7970 rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, saverfb5r18);
7971 rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, saverfb5r19);
7972 rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, saverfb5r20);
7973
7974 rt2800_rfcsr_write_bank(rt2x00dev, 5, 37, saverfb5r37);
7975 rt2800_rfcsr_write_bank(rt2x00dev, 5, 38, saverfb5r38);
7976 rt2800_rfcsr_write_bank(rt2x00dev, 5, 39, saverfb5r39);
7977 rt2800_rfcsr_write_bank(rt2x00dev, 5, 40, saverfb5r40);
7978 rt2800_rfcsr_write_bank(rt2x00dev, 5, 41, saverfb5r41);
7979 rt2800_rfcsr_write_bank(rt2x00dev, 5, 42, saverfb5r42);
7980 rt2800_rfcsr_write_bank(rt2x00dev, 5, 43, saverfb5r43);
7981 rt2800_rfcsr_write_bank(rt2x00dev, 5, 44, saverfb5r44);
7982 rt2800_rfcsr_write_bank(rt2x00dev, 5, 45, saverfb5r45);
7983 rt2800_rfcsr_write_bank(rt2x00dev, 5, 46, saverfb5r46);
7984
7985 rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, saverfb5r58);
7986 rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, saverfb5r59);
7987
7988 rt2800_bbp_write(rt2x00dev, 23, savebbpr23);
7989
7990 rt2800_bbp_dcoc_write(rt2x00dev, 0, savebbp159r0);
7991 rt2800_bbp_dcoc_write(rt2x00dev, 2, savebbp159r2);
7992
7993 bbp_val = rt2800_bbp_read(rt2x00dev, 4);
7994 rt2x00_set_field8(&bbp_val, BBP4_BANDWIDTH,
7995 2 * test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags));
7996 rt2800_bbp_write(rt2x00dev, 4, bbp_val);
7997
7998 rt2800_register_write(rt2x00dev, RF_CONTROL0, MAC_RF_CONTROL0);
7999 rt2800_register_write(rt2x00dev, RF_BYPASS0, MAC_RF_BYPASS0);
8000 }
8001
rt2800_init_rfcsr_6352(struct rt2x00_dev * rt2x00dev)8002 static void rt2800_init_rfcsr_6352(struct rt2x00_dev *rt2x00dev)
8003 {
8004 /* Initialize RF central register to default value */
8005 rt2800_rfcsr_write(rt2x00dev, 0, 0x02);
8006 rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
8007 rt2800_rfcsr_write(rt2x00dev, 2, 0x33);
8008 rt2800_rfcsr_write(rt2x00dev, 3, 0xFF);
8009 rt2800_rfcsr_write(rt2x00dev, 4, 0x0C);
8010 rt2800_rfcsr_write(rt2x00dev, 5, 0x40);
8011 rt2800_rfcsr_write(rt2x00dev, 6, 0x00);
8012 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
8013 rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
8014 rt2800_rfcsr_write(rt2x00dev, 9, 0x00);
8015 rt2800_rfcsr_write(rt2x00dev, 10, 0x00);
8016 rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
8017 rt2800_rfcsr_write(rt2x00dev, 12, rt2x00dev->freq_offset);
8018 rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
8019 rt2800_rfcsr_write(rt2x00dev, 14, 0x40);
8020 rt2800_rfcsr_write(rt2x00dev, 15, 0x22);
8021 rt2800_rfcsr_write(rt2x00dev, 16, 0x4C);
8022 rt2800_rfcsr_write(rt2x00dev, 17, 0x00);
8023 rt2800_rfcsr_write(rt2x00dev, 18, 0x00);
8024 rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
8025 rt2800_rfcsr_write(rt2x00dev, 20, 0xA0);
8026 rt2800_rfcsr_write(rt2x00dev, 21, 0x12);
8027 rt2800_rfcsr_write(rt2x00dev, 22, 0x07);
8028 rt2800_rfcsr_write(rt2x00dev, 23, 0x13);
8029 rt2800_rfcsr_write(rt2x00dev, 24, 0xFE);
8030 rt2800_rfcsr_write(rt2x00dev, 25, 0x24);
8031 rt2800_rfcsr_write(rt2x00dev, 26, 0x7A);
8032 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
8033 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
8034 rt2800_rfcsr_write(rt2x00dev, 29, 0x05);
8035 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
8036 rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
8037 rt2800_rfcsr_write(rt2x00dev, 32, 0x00);
8038 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
8039 rt2800_rfcsr_write(rt2x00dev, 34, 0x00);
8040 rt2800_rfcsr_write(rt2x00dev, 35, 0x00);
8041 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
8042 rt2800_rfcsr_write(rt2x00dev, 37, 0x00);
8043 rt2800_rfcsr_write(rt2x00dev, 38, 0x00);
8044 rt2800_rfcsr_write(rt2x00dev, 39, 0x00);
8045 rt2800_rfcsr_write(rt2x00dev, 40, 0x00);
8046 rt2800_rfcsr_write(rt2x00dev, 41, 0xD0);
8047 rt2800_rfcsr_write(rt2x00dev, 42, 0x5B);
8048 rt2800_rfcsr_write(rt2x00dev, 43, 0x00);
8049
8050 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
8051 if (rt2800_clk_is_20mhz(rt2x00dev))
8052 rt2800_rfcsr_write(rt2x00dev, 13, 0x03);
8053 else
8054 rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
8055 rt2800_rfcsr_write(rt2x00dev, 14, 0x7C);
8056 rt2800_rfcsr_write(rt2x00dev, 16, 0x80);
8057 rt2800_rfcsr_write(rt2x00dev, 17, 0x99);
8058 rt2800_rfcsr_write(rt2x00dev, 18, 0x99);
8059 rt2800_rfcsr_write(rt2x00dev, 19, 0x09);
8060 rt2800_rfcsr_write(rt2x00dev, 20, 0x50);
8061 rt2800_rfcsr_write(rt2x00dev, 21, 0xB0);
8062 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
8063 rt2800_rfcsr_write(rt2x00dev, 23, 0x06);
8064 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
8065 rt2800_rfcsr_write(rt2x00dev, 25, 0x00);
8066 rt2800_rfcsr_write(rt2x00dev, 26, 0x5D);
8067 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
8068 rt2800_rfcsr_write(rt2x00dev, 28, 0x61);
8069 rt2800_rfcsr_write(rt2x00dev, 29, 0xB5);
8070 rt2800_rfcsr_write(rt2x00dev, 43, 0x02);
8071
8072 rt2800_rfcsr_write(rt2x00dev, 28, 0x62);
8073 rt2800_rfcsr_write(rt2x00dev, 29, 0xAD);
8074 rt2800_rfcsr_write(rt2x00dev, 39, 0x80);
8075
8076 /* Initialize RF channel register to default value */
8077 rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x03);
8078 rt2800_rfcsr_write_chanreg(rt2x00dev, 1, 0x00);
8079 rt2800_rfcsr_write_chanreg(rt2x00dev, 2, 0x00);
8080 rt2800_rfcsr_write_chanreg(rt2x00dev, 3, 0x00);
8081 rt2800_rfcsr_write_chanreg(rt2x00dev, 4, 0x00);
8082 rt2800_rfcsr_write_chanreg(rt2x00dev, 5, 0x08);
8083 rt2800_rfcsr_write_chanreg(rt2x00dev, 6, 0x00);
8084 rt2800_rfcsr_write_chanreg(rt2x00dev, 7, 0x51);
8085 rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x53);
8086 rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x16);
8087 rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x61);
8088 rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53);
8089 rt2800_rfcsr_write_chanreg(rt2x00dev, 12, 0x22);
8090 rt2800_rfcsr_write_chanreg(rt2x00dev, 13, 0x3D);
8091 rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06);
8092 rt2800_rfcsr_write_chanreg(rt2x00dev, 15, 0x13);
8093 rt2800_rfcsr_write_chanreg(rt2x00dev, 16, 0x22);
8094 rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x27);
8095 rt2800_rfcsr_write_chanreg(rt2x00dev, 18, 0x02);
8096 rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7);
8097 rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x01);
8098 rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x52);
8099 rt2800_rfcsr_write_chanreg(rt2x00dev, 22, 0x80);
8100 rt2800_rfcsr_write_chanreg(rt2x00dev, 23, 0xB3);
8101 rt2800_rfcsr_write_chanreg(rt2x00dev, 24, 0x00);
8102 rt2800_rfcsr_write_chanreg(rt2x00dev, 25, 0x00);
8103 rt2800_rfcsr_write_chanreg(rt2x00dev, 26, 0x00);
8104 rt2800_rfcsr_write_chanreg(rt2x00dev, 27, 0x00);
8105 rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x5C);
8106 rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0x6B);
8107 rt2800_rfcsr_write_chanreg(rt2x00dev, 30, 0x6B);
8108 rt2800_rfcsr_write_chanreg(rt2x00dev, 31, 0x31);
8109 rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x5D);
8110 rt2800_rfcsr_write_chanreg(rt2x00dev, 33, 0x00);
8111 rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xE6);
8112 rt2800_rfcsr_write_chanreg(rt2x00dev, 35, 0x55);
8113 rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x00);
8114 rt2800_rfcsr_write_chanreg(rt2x00dev, 37, 0xBB);
8115 rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB3);
8116 rt2800_rfcsr_write_chanreg(rt2x00dev, 39, 0xB3);
8117 rt2800_rfcsr_write_chanreg(rt2x00dev, 40, 0x03);
8118 rt2800_rfcsr_write_chanreg(rt2x00dev, 41, 0x00);
8119 rt2800_rfcsr_write_chanreg(rt2x00dev, 42, 0x00);
8120 rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xB3);
8121 rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xD3);
8122 rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5);
8123 rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x07);
8124 rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x68);
8125 rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xEF);
8126 rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1C);
8127 rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x07);
8128 rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0xA8);
8129 rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0x85);
8130 rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x10);
8131 rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x07);
8132 rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6A);
8133 rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0x85);
8134 rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x10);
8135 rt2800_rfcsr_write_chanreg(rt2x00dev, 62, 0x1C);
8136 rt2800_rfcsr_write_chanreg(rt2x00dev, 63, 0x00);
8137
8138 rt2800_rfcsr_write_bank(rt2x00dev, 6, 45, 0xC5);
8139
8140 rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x47);
8141 rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x71);
8142 rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x33);
8143 rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x0E);
8144 rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x23);
8145 rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA4);
8146 rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x02);
8147 rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x12);
8148 rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x1C);
8149 rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0xEB);
8150 rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x7D);
8151 rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xD6);
8152 rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x08);
8153 rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB4);
8154 rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3);
8155 rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xB3);
8156 rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5);
8157 rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27);
8158 rt2800_rfcsr_write_bank(rt2x00dev, 4, 47, 0x67);
8159 rt2800_rfcsr_write_bank(rt2x00dev, 6, 47, 0x69);
8160 rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFF);
8161 rt2800_rfcsr_write_bank(rt2x00dev, 4, 54, 0x27);
8162 rt2800_rfcsr_write_bank(rt2x00dev, 6, 54, 0x20);
8163 rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
8164 rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xFF);
8165 rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1C);
8166 rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x20);
8167 rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B);
8168 rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xF7);
8169 rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x09);
8170
8171 rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x51);
8172 rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06);
8173 rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7);
8174 rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x2C);
8175 rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x64);
8176 rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x51);
8177 rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x36);
8178 rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53);
8179 rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x16);
8180
8181 rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x6C);
8182 rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFC);
8183 rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1F);
8184 rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27);
8185 rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
8186 rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B);
8187
8188 /* Initialize RF channel register for DRQFN */
8189 rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3);
8190 rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xE3);
8191 rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xE5);
8192 rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x28);
8193 rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x68);
8194 rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xF7);
8195 rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x02);
8196 rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xC7);
8197
8198 /* Initialize RF DC calibration register to default value */
8199 rt2800_rfcsr_write_dccal(rt2x00dev, 0, 0x47);
8200 rt2800_rfcsr_write_dccal(rt2x00dev, 1, 0x00);
8201 rt2800_rfcsr_write_dccal(rt2x00dev, 2, 0x00);
8202 rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x00);
8203 rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x00);
8204 rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
8205 rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x10);
8206 rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x10);
8207 rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x04);
8208 rt2800_rfcsr_write_dccal(rt2x00dev, 9, 0x00);
8209 rt2800_rfcsr_write_dccal(rt2x00dev, 10, 0x07);
8210 rt2800_rfcsr_write_dccal(rt2x00dev, 11, 0x01);
8211 rt2800_rfcsr_write_dccal(rt2x00dev, 12, 0x07);
8212 rt2800_rfcsr_write_dccal(rt2x00dev, 13, 0x07);
8213 rt2800_rfcsr_write_dccal(rt2x00dev, 14, 0x07);
8214 rt2800_rfcsr_write_dccal(rt2x00dev, 15, 0x20);
8215 rt2800_rfcsr_write_dccal(rt2x00dev, 16, 0x22);
8216 rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x00);
8217 rt2800_rfcsr_write_dccal(rt2x00dev, 18, 0x00);
8218 rt2800_rfcsr_write_dccal(rt2x00dev, 19, 0x00);
8219 rt2800_rfcsr_write_dccal(rt2x00dev, 20, 0x00);
8220 rt2800_rfcsr_write_dccal(rt2x00dev, 21, 0xF1);
8221 rt2800_rfcsr_write_dccal(rt2x00dev, 22, 0x11);
8222 rt2800_rfcsr_write_dccal(rt2x00dev, 23, 0x02);
8223 rt2800_rfcsr_write_dccal(rt2x00dev, 24, 0x41);
8224 rt2800_rfcsr_write_dccal(rt2x00dev, 25, 0x20);
8225 rt2800_rfcsr_write_dccal(rt2x00dev, 26, 0x00);
8226 rt2800_rfcsr_write_dccal(rt2x00dev, 27, 0xD7);
8227 rt2800_rfcsr_write_dccal(rt2x00dev, 28, 0xA2);
8228 rt2800_rfcsr_write_dccal(rt2x00dev, 29, 0x20);
8229 rt2800_rfcsr_write_dccal(rt2x00dev, 30, 0x49);
8230 rt2800_rfcsr_write_dccal(rt2x00dev, 31, 0x20);
8231 rt2800_rfcsr_write_dccal(rt2x00dev, 32, 0x04);
8232 rt2800_rfcsr_write_dccal(rt2x00dev, 33, 0xF1);
8233 rt2800_rfcsr_write_dccal(rt2x00dev, 34, 0xA1);
8234 rt2800_rfcsr_write_dccal(rt2x00dev, 35, 0x01);
8235 rt2800_rfcsr_write_dccal(rt2x00dev, 41, 0x00);
8236 rt2800_rfcsr_write_dccal(rt2x00dev, 42, 0x00);
8237 rt2800_rfcsr_write_dccal(rt2x00dev, 43, 0x00);
8238 rt2800_rfcsr_write_dccal(rt2x00dev, 44, 0x00);
8239 rt2800_rfcsr_write_dccal(rt2x00dev, 45, 0x00);
8240 rt2800_rfcsr_write_dccal(rt2x00dev, 46, 0x00);
8241 rt2800_rfcsr_write_dccal(rt2x00dev, 47, 0x3E);
8242 rt2800_rfcsr_write_dccal(rt2x00dev, 48, 0x3D);
8243 rt2800_rfcsr_write_dccal(rt2x00dev, 49, 0x3E);
8244 rt2800_rfcsr_write_dccal(rt2x00dev, 50, 0x3D);
8245 rt2800_rfcsr_write_dccal(rt2x00dev, 51, 0x3E);
8246 rt2800_rfcsr_write_dccal(rt2x00dev, 52, 0x3D);
8247 rt2800_rfcsr_write_dccal(rt2x00dev, 53, 0x00);
8248 rt2800_rfcsr_write_dccal(rt2x00dev, 54, 0x00);
8249 rt2800_rfcsr_write_dccal(rt2x00dev, 55, 0x00);
8250 rt2800_rfcsr_write_dccal(rt2x00dev, 56, 0x00);
8251 rt2800_rfcsr_write_dccal(rt2x00dev, 57, 0x00);
8252 rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x10);
8253 rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x10);
8254 rt2800_rfcsr_write_dccal(rt2x00dev, 60, 0x0A);
8255 rt2800_rfcsr_write_dccal(rt2x00dev, 61, 0x00);
8256 rt2800_rfcsr_write_dccal(rt2x00dev, 62, 0x00);
8257 rt2800_rfcsr_write_dccal(rt2x00dev, 63, 0x00);
8258
8259 rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x08);
8260 rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x04);
8261 rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x20);
8262
8263 rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
8264 rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C);
8265
8266 rt2800_bw_filter_calibration(rt2x00dev, true);
8267 rt2800_bw_filter_calibration(rt2x00dev, false);
8268 }
8269
rt2800_init_rfcsr(struct rt2x00_dev * rt2x00dev)8270 static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
8271 {
8272 if (rt2800_is_305x_soc(rt2x00dev)) {
8273 rt2800_init_rfcsr_305x_soc(rt2x00dev);
8274 return;
8275 }
8276
8277 switch (rt2x00dev->chip.rt) {
8278 case RT3070:
8279 case RT3071:
8280 case RT3090:
8281 rt2800_init_rfcsr_30xx(rt2x00dev);
8282 break;
8283 case RT3290:
8284 rt2800_init_rfcsr_3290(rt2x00dev);
8285 break;
8286 case RT3352:
8287 rt2800_init_rfcsr_3352(rt2x00dev);
8288 break;
8289 case RT3390:
8290 rt2800_init_rfcsr_3390(rt2x00dev);
8291 break;
8292 case RT3572:
8293 rt2800_init_rfcsr_3572(rt2x00dev);
8294 break;
8295 case RT3593:
8296 rt2800_init_rfcsr_3593(rt2x00dev);
8297 break;
8298 case RT5350:
8299 rt2800_init_rfcsr_5350(rt2x00dev);
8300 break;
8301 case RT5390:
8302 rt2800_init_rfcsr_5390(rt2x00dev);
8303 break;
8304 case RT5392:
8305 rt2800_init_rfcsr_5392(rt2x00dev);
8306 break;
8307 case RT5592:
8308 rt2800_init_rfcsr_5592(rt2x00dev);
8309 break;
8310 case RT6352:
8311 rt2800_init_rfcsr_6352(rt2x00dev);
8312 break;
8313 }
8314 }
8315
rt2800_enable_radio(struct rt2x00_dev * rt2x00dev)8316 int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
8317 {
8318 u32 reg;
8319 u16 word;
8320
8321 /*
8322 * Initialize MAC registers.
8323 */
8324 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
8325 rt2800_init_registers(rt2x00dev)))
8326 return -EIO;
8327
8328 /*
8329 * Wait BBP/RF to wake up.
8330 */
8331 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev)))
8332 return -EIO;
8333
8334 /*
8335 * Send signal during boot time to initialize firmware.
8336 */
8337 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
8338 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
8339 if (rt2x00_is_usb(rt2x00dev))
8340 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
8341 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
8342 msleep(1);
8343
8344 /*
8345 * Make sure BBP is up and running.
8346 */
8347 if (unlikely(rt2800_wait_bbp_ready(rt2x00dev)))
8348 return -EIO;
8349
8350 /*
8351 * Initialize BBP/RF registers.
8352 */
8353 rt2800_init_bbp(rt2x00dev);
8354 rt2800_init_rfcsr(rt2x00dev);
8355
8356 if (rt2x00_is_usb(rt2x00dev) &&
8357 (rt2x00_rt(rt2x00dev, RT3070) ||
8358 rt2x00_rt(rt2x00dev, RT3071) ||
8359 rt2x00_rt(rt2x00dev, RT3572))) {
8360 udelay(200);
8361 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
8362 udelay(10);
8363 }
8364
8365 /*
8366 * Enable RX.
8367 */
8368 reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
8369 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1);
8370 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0);
8371 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
8372
8373 udelay(50);
8374
8375 reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG);
8376 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
8377 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
8378 rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
8379 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
8380
8381 reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
8382 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1);
8383 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1);
8384 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
8385
8386 /*
8387 * Initialize LED control
8388 */
8389 word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF);
8390 rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
8391 word & 0xff, (word >> 8) & 0xff);
8392
8393 word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF);
8394 rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
8395 word & 0xff, (word >> 8) & 0xff);
8396
8397 word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY);
8398 rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
8399 word & 0xff, (word >> 8) & 0xff);
8400
8401 return 0;
8402 }
8403 EXPORT_SYMBOL_GPL(rt2800_enable_radio);
8404
rt2800_disable_radio(struct rt2x00_dev * rt2x00dev)8405 void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
8406 {
8407 u32 reg;
8408
8409 rt2800_disable_wpdma(rt2x00dev);
8410
8411 /* Wait for DMA, ignore error */
8412 rt2800_wait_wpdma_ready(rt2x00dev);
8413
8414 reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
8415 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 0);
8416 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0);
8417 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
8418 }
8419 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
8420
rt2800_efuse_detect(struct rt2x00_dev * rt2x00dev)8421 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
8422 {
8423 u32 reg;
8424 u16 efuse_ctrl_reg;
8425
8426 if (rt2x00_rt(rt2x00dev, RT3290))
8427 efuse_ctrl_reg = EFUSE_CTRL_3290;
8428 else
8429 efuse_ctrl_reg = EFUSE_CTRL;
8430
8431 reg = rt2800_register_read(rt2x00dev, efuse_ctrl_reg);
8432 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
8433 }
8434 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
8435
rt2800_efuse_read(struct rt2x00_dev * rt2x00dev,unsigned int i)8436 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
8437 {
8438 u32 reg;
8439 u16 efuse_ctrl_reg;
8440 u16 efuse_data0_reg;
8441 u16 efuse_data1_reg;
8442 u16 efuse_data2_reg;
8443 u16 efuse_data3_reg;
8444
8445 if (rt2x00_rt(rt2x00dev, RT3290)) {
8446 efuse_ctrl_reg = EFUSE_CTRL_3290;
8447 efuse_data0_reg = EFUSE_DATA0_3290;
8448 efuse_data1_reg = EFUSE_DATA1_3290;
8449 efuse_data2_reg = EFUSE_DATA2_3290;
8450 efuse_data3_reg = EFUSE_DATA3_3290;
8451 } else {
8452 efuse_ctrl_reg = EFUSE_CTRL;
8453 efuse_data0_reg = EFUSE_DATA0;
8454 efuse_data1_reg = EFUSE_DATA1;
8455 efuse_data2_reg = EFUSE_DATA2;
8456 efuse_data3_reg = EFUSE_DATA3;
8457 }
8458 mutex_lock(&rt2x00dev->csr_mutex);
8459
8460 reg = rt2800_register_read_lock(rt2x00dev, efuse_ctrl_reg);
8461 rt2x00_set_field32(®, EFUSE_CTRL_ADDRESS_IN, i);
8462 rt2x00_set_field32(®, EFUSE_CTRL_MODE, 0);
8463 rt2x00_set_field32(®, EFUSE_CTRL_KICK, 1);
8464 rt2800_register_write_lock(rt2x00dev, efuse_ctrl_reg, reg);
8465
8466 /* Wait until the EEPROM has been loaded */
8467 rt2800_regbusy_read(rt2x00dev, efuse_ctrl_reg, EFUSE_CTRL_KICK, ®);
8468 /* Apparently the data is read from end to start */
8469 reg = rt2800_register_read_lock(rt2x00dev, efuse_data3_reg);
8470 /* The returned value is in CPU order, but eeprom is le */
8471 *(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
8472 reg = rt2800_register_read_lock(rt2x00dev, efuse_data2_reg);
8473 *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
8474 reg = rt2800_register_read_lock(rt2x00dev, efuse_data1_reg);
8475 *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
8476 reg = rt2800_register_read_lock(rt2x00dev, efuse_data0_reg);
8477 *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
8478
8479 mutex_unlock(&rt2x00dev->csr_mutex);
8480 }
8481
rt2800_read_eeprom_efuse(struct rt2x00_dev * rt2x00dev)8482 int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
8483 {
8484 unsigned int i;
8485
8486 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
8487 rt2800_efuse_read(rt2x00dev, i);
8488
8489 return 0;
8490 }
8491 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
8492
rt2800_get_txmixer_gain_24g(struct rt2x00_dev * rt2x00dev)8493 static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev)
8494 {
8495 u16 word;
8496
8497 if (rt2x00_rt(rt2x00dev, RT3593))
8498 return 0;
8499
8500 word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG);
8501 if ((word & 0x00ff) != 0x00ff)
8502 return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
8503
8504 return 0;
8505 }
8506
rt2800_get_txmixer_gain_5g(struct rt2x00_dev * rt2x00dev)8507 static u8 rt2800_get_txmixer_gain_5g(struct rt2x00_dev *rt2x00dev)
8508 {
8509 u16 word;
8510
8511 if (rt2x00_rt(rt2x00dev, RT3593))
8512 return 0;
8513
8514 word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A);
8515 if ((word & 0x00ff) != 0x00ff)
8516 return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
8517
8518 return 0;
8519 }
8520
rt2800_validate_eeprom(struct rt2x00_dev * rt2x00dev)8521 static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
8522 {
8523 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
8524 u16 word;
8525 u8 *mac;
8526 u8 default_lna_gain;
8527 int retval;
8528
8529 /*
8530 * Read the EEPROM.
8531 */
8532 retval = rt2800_read_eeprom(rt2x00dev);
8533 if (retval)
8534 return retval;
8535
8536 /*
8537 * Start validation of the data that has been read.
8538 */
8539 mac = rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
8540 rt2x00lib_set_mac_address(rt2x00dev, mac);
8541
8542 word = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
8543 if (word == 0xffff) {
8544 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
8545 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
8546 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
8547 rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
8548 rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word);
8549 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
8550 rt2x00_rt(rt2x00dev, RT2872)) {
8551 /*
8552 * There is a max of 2 RX streams for RT28x0 series
8553 */
8554 if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
8555 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
8556 rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
8557 }
8558
8559 word = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
8560 if (word == 0xffff) {
8561 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
8562 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
8563 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
8564 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
8565 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
8566 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
8567 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
8568 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
8569 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
8570 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
8571 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
8572 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
8573 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
8574 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
8575 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
8576 rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
8577 rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word);
8578 }
8579
8580 word = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ);
8581 if ((word & 0x00ff) == 0x00ff) {
8582 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
8583 rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
8584 rt2x00_eeprom_dbg(rt2x00dev, "Freq: 0x%04x\n", word);
8585 }
8586 if ((word & 0xff00) == 0xff00) {
8587 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
8588 LED_MODE_TXRX_ACTIVITY);
8589 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
8590 rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
8591 rt2800_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
8592 rt2800_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
8593 rt2800_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
8594 rt2x00_eeprom_dbg(rt2x00dev, "Led Mode: 0x%04x\n", word);
8595 }
8596
8597 /*
8598 * During the LNA validation we are going to use
8599 * lna0 as correct value. Note that EEPROM_LNA
8600 * is never validated.
8601 */
8602 word = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA);
8603 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
8604
8605 word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG);
8606 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
8607 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
8608 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
8609 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
8610 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
8611
8612 drv_data->txmixer_gain_24g = rt2800_get_txmixer_gain_24g(rt2x00dev);
8613
8614 word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2);
8615 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
8616 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
8617 if (!rt2x00_rt(rt2x00dev, RT3593)) {
8618 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
8619 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
8620 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
8621 default_lna_gain);
8622 }
8623 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
8624
8625 drv_data->txmixer_gain_5g = rt2800_get_txmixer_gain_5g(rt2x00dev);
8626
8627 word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A);
8628 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
8629 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
8630 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
8631 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
8632 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
8633
8634 word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2);
8635 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
8636 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
8637 if (!rt2x00_rt(rt2x00dev, RT3593)) {
8638 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
8639 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
8640 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
8641 default_lna_gain);
8642 }
8643 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
8644
8645 if (rt2x00_rt(rt2x00dev, RT3593)) {
8646 word = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
8647 if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0x00 ||
8648 rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0xff)
8649 rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1,
8650 default_lna_gain);
8651 if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0x00 ||
8652 rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0xff)
8653 rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1,
8654 default_lna_gain);
8655 rt2800_eeprom_write(rt2x00dev, EEPROM_EXT_LNA2, word);
8656 }
8657
8658 return 0;
8659 }
8660
rt2800_init_eeprom(struct rt2x00_dev * rt2x00dev)8661 static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
8662 {
8663 u16 value;
8664 u16 eeprom;
8665 u16 rf;
8666
8667 /*
8668 * Read EEPROM word for configuration.
8669 */
8670 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
8671
8672 /*
8673 * Identify RF chipset by EEPROM value
8674 * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
8675 * RT53xx: defined in "EEPROM_CHIP_ID" field
8676 */
8677 if (rt2x00_rt(rt2x00dev, RT3290) ||
8678 rt2x00_rt(rt2x00dev, RT5390) ||
8679 rt2x00_rt(rt2x00dev, RT5392) ||
8680 rt2x00_rt(rt2x00dev, RT6352))
8681 rf = rt2800_eeprom_read(rt2x00dev, EEPROM_CHIP_ID);
8682 else if (rt2x00_rt(rt2x00dev, RT3352))
8683 rf = RF3322;
8684 else if (rt2x00_rt(rt2x00dev, RT5350))
8685 rf = RF5350;
8686 else
8687 rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
8688
8689 switch (rf) {
8690 case RF2820:
8691 case RF2850:
8692 case RF2720:
8693 case RF2750:
8694 case RF3020:
8695 case RF2020:
8696 case RF3021:
8697 case RF3022:
8698 case RF3052:
8699 case RF3053:
8700 case RF3070:
8701 case RF3290:
8702 case RF3320:
8703 case RF3322:
8704 case RF5350:
8705 case RF5360:
8706 case RF5362:
8707 case RF5370:
8708 case RF5372:
8709 case RF5390:
8710 case RF5392:
8711 case RF5592:
8712 case RF7620:
8713 break;
8714 default:
8715 rt2x00_err(rt2x00dev, "Invalid RF chipset 0x%04x detected\n",
8716 rf);
8717 return -ENODEV;
8718 }
8719
8720 rt2x00_set_rf(rt2x00dev, rf);
8721
8722 /*
8723 * Identify default antenna configuration.
8724 */
8725 rt2x00dev->default_ant.tx_chain_num =
8726 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
8727 rt2x00dev->default_ant.rx_chain_num =
8728 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
8729
8730 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
8731
8732 if (rt2x00_rt(rt2x00dev, RT3070) ||
8733 rt2x00_rt(rt2x00dev, RT3090) ||
8734 rt2x00_rt(rt2x00dev, RT3352) ||
8735 rt2x00_rt(rt2x00dev, RT3390)) {
8736 value = rt2x00_get_field16(eeprom,
8737 EEPROM_NIC_CONF1_ANT_DIVERSITY);
8738 switch (value) {
8739 case 0:
8740 case 1:
8741 case 2:
8742 rt2x00dev->default_ant.tx = ANTENNA_A;
8743 rt2x00dev->default_ant.rx = ANTENNA_A;
8744 break;
8745 case 3:
8746 rt2x00dev->default_ant.tx = ANTENNA_A;
8747 rt2x00dev->default_ant.rx = ANTENNA_B;
8748 break;
8749 }
8750 } else {
8751 rt2x00dev->default_ant.tx = ANTENNA_A;
8752 rt2x00dev->default_ant.rx = ANTENNA_A;
8753 }
8754
8755 /* These chips have hardware RX antenna diversity */
8756 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R) ||
8757 rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5370G)) {
8758 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; /* Unused */
8759 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; /* Unused */
8760 }
8761
8762 /*
8763 * Determine external LNA informations.
8764 */
8765 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
8766 __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
8767 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
8768 __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
8769
8770 /*
8771 * Detect if this device has an hardware controlled radio.
8772 */
8773 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
8774 __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
8775
8776 /*
8777 * Detect if this device has Bluetooth co-existence.
8778 */
8779 if (!rt2x00_rt(rt2x00dev, RT3352) &&
8780 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
8781 __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
8782
8783 /*
8784 * Read frequency offset and RF programming sequence.
8785 */
8786 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ);
8787 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
8788
8789 /*
8790 * Store led settings, for correct led behaviour.
8791 */
8792 #ifdef CONFIG_RT2X00_LIB_LEDS
8793 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
8794 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
8795 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
8796
8797 rt2x00dev->led_mcu_reg = eeprom;
8798 #endif /* CONFIG_RT2X00_LIB_LEDS */
8799
8800 /*
8801 * Check if support EIRP tx power limit feature.
8802 */
8803 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER);
8804
8805 if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
8806 EIRP_MAX_TX_POWER_LIMIT)
8807 __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
8808
8809 /*
8810 * Detect if device uses internal or external PA
8811 */
8812 eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
8813
8814 if (rt2x00_rt(rt2x00dev, RT3352)) {
8815 if (rt2x00_get_field16(eeprom,
8816 EEPROM_NIC_CONF1_EXTERNAL_TX0_PA_3352))
8817 __set_bit(CAPABILITY_EXTERNAL_PA_TX0,
8818 &rt2x00dev->cap_flags);
8819 if (rt2x00_get_field16(eeprom,
8820 EEPROM_NIC_CONF1_EXTERNAL_TX1_PA_3352))
8821 __set_bit(CAPABILITY_EXTERNAL_PA_TX1,
8822 &rt2x00dev->cap_flags);
8823 }
8824
8825 return 0;
8826 }
8827
8828 /*
8829 * RF value list for rt28xx
8830 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
8831 */
8832 static const struct rf_channel rf_vals[] = {
8833 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
8834 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
8835 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
8836 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
8837 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
8838 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
8839 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
8840 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
8841 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
8842 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
8843 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
8844 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
8845 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
8846 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
8847
8848 /* 802.11 UNI / HyperLan 2 */
8849 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
8850 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
8851 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
8852 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
8853 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
8854 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
8855 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
8856 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
8857 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
8858 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
8859 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
8860 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
8861
8862 /* 802.11 HyperLan 2 */
8863 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
8864 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
8865 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
8866 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
8867 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
8868 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
8869 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
8870 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
8871 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
8872 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
8873 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
8874 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
8875 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
8876 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
8877 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
8878 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
8879
8880 /* 802.11 UNII */
8881 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
8882 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
8883 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
8884 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
8885 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
8886 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
8887 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
8888 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
8889 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
8890 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
8891 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
8892
8893 /* 802.11 Japan */
8894 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
8895 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
8896 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
8897 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
8898 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
8899 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
8900 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
8901 };
8902
8903 /*
8904 * RF value list for rt3xxx
8905 * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052 & RF3053)
8906 */
8907 static const struct rf_channel rf_vals_3x[] = {
8908 {1, 241, 2, 2 },
8909 {2, 241, 2, 7 },
8910 {3, 242, 2, 2 },
8911 {4, 242, 2, 7 },
8912 {5, 243, 2, 2 },
8913 {6, 243, 2, 7 },
8914 {7, 244, 2, 2 },
8915 {8, 244, 2, 7 },
8916 {9, 245, 2, 2 },
8917 {10, 245, 2, 7 },
8918 {11, 246, 2, 2 },
8919 {12, 246, 2, 7 },
8920 {13, 247, 2, 2 },
8921 {14, 248, 2, 4 },
8922
8923 /* 802.11 UNI / HyperLan 2 */
8924 {36, 0x56, 0, 4},
8925 {38, 0x56, 0, 6},
8926 {40, 0x56, 0, 8},
8927 {44, 0x57, 0, 0},
8928 {46, 0x57, 0, 2},
8929 {48, 0x57, 0, 4},
8930 {52, 0x57, 0, 8},
8931 {54, 0x57, 0, 10},
8932 {56, 0x58, 0, 0},
8933 {60, 0x58, 0, 4},
8934 {62, 0x58, 0, 6},
8935 {64, 0x58, 0, 8},
8936
8937 /* 802.11 HyperLan 2 */
8938 {100, 0x5b, 0, 8},
8939 {102, 0x5b, 0, 10},
8940 {104, 0x5c, 0, 0},
8941 {108, 0x5c, 0, 4},
8942 {110, 0x5c, 0, 6},
8943 {112, 0x5c, 0, 8},
8944 {116, 0x5d, 0, 0},
8945 {118, 0x5d, 0, 2},
8946 {120, 0x5d, 0, 4},
8947 {124, 0x5d, 0, 8},
8948 {126, 0x5d, 0, 10},
8949 {128, 0x5e, 0, 0},
8950 {132, 0x5e, 0, 4},
8951 {134, 0x5e, 0, 6},
8952 {136, 0x5e, 0, 8},
8953 {140, 0x5f, 0, 0},
8954
8955 /* 802.11 UNII */
8956 {149, 0x5f, 0, 9},
8957 {151, 0x5f, 0, 11},
8958 {153, 0x60, 0, 1},
8959 {157, 0x60, 0, 5},
8960 {159, 0x60, 0, 7},
8961 {161, 0x60, 0, 9},
8962 {165, 0x61, 0, 1},
8963 {167, 0x61, 0, 3},
8964 {169, 0x61, 0, 5},
8965 {171, 0x61, 0, 7},
8966 {173, 0x61, 0, 9},
8967 };
8968
8969 /*
8970 * RF value list for rt3xxx with Xtal20MHz
8971 * Supports: 2.4 GHz (all) (RF3322)
8972 */
8973 static const struct rf_channel rf_vals_3x_xtal20[] = {
8974 {1, 0xE2, 2, 0x14},
8975 {2, 0xE3, 2, 0x14},
8976 {3, 0xE4, 2, 0x14},
8977 {4, 0xE5, 2, 0x14},
8978 {5, 0xE6, 2, 0x14},
8979 {6, 0xE7, 2, 0x14},
8980 {7, 0xE8, 2, 0x14},
8981 {8, 0xE9, 2, 0x14},
8982 {9, 0xEA, 2, 0x14},
8983 {10, 0xEB, 2, 0x14},
8984 {11, 0xEC, 2, 0x14},
8985 {12, 0xED, 2, 0x14},
8986 {13, 0xEE, 2, 0x14},
8987 {14, 0xF0, 2, 0x18},
8988 };
8989
8990 static const struct rf_channel rf_vals_5592_xtal20[] = {
8991 /* Channel, N, K, mod, R */
8992 {1, 482, 4, 10, 3},
8993 {2, 483, 4, 10, 3},
8994 {3, 484, 4, 10, 3},
8995 {4, 485, 4, 10, 3},
8996 {5, 486, 4, 10, 3},
8997 {6, 487, 4, 10, 3},
8998 {7, 488, 4, 10, 3},
8999 {8, 489, 4, 10, 3},
9000 {9, 490, 4, 10, 3},
9001 {10, 491, 4, 10, 3},
9002 {11, 492, 4, 10, 3},
9003 {12, 493, 4, 10, 3},
9004 {13, 494, 4, 10, 3},
9005 {14, 496, 8, 10, 3},
9006 {36, 172, 8, 12, 1},
9007 {38, 173, 0, 12, 1},
9008 {40, 173, 4, 12, 1},
9009 {42, 173, 8, 12, 1},
9010 {44, 174, 0, 12, 1},
9011 {46, 174, 4, 12, 1},
9012 {48, 174, 8, 12, 1},
9013 {50, 175, 0, 12, 1},
9014 {52, 175, 4, 12, 1},
9015 {54, 175, 8, 12, 1},
9016 {56, 176, 0, 12, 1},
9017 {58, 176, 4, 12, 1},
9018 {60, 176, 8, 12, 1},
9019 {62, 177, 0, 12, 1},
9020 {64, 177, 4, 12, 1},
9021 {100, 183, 4, 12, 1},
9022 {102, 183, 8, 12, 1},
9023 {104, 184, 0, 12, 1},
9024 {106, 184, 4, 12, 1},
9025 {108, 184, 8, 12, 1},
9026 {110, 185, 0, 12, 1},
9027 {112, 185, 4, 12, 1},
9028 {114, 185, 8, 12, 1},
9029 {116, 186, 0, 12, 1},
9030 {118, 186, 4, 12, 1},
9031 {120, 186, 8, 12, 1},
9032 {122, 187, 0, 12, 1},
9033 {124, 187, 4, 12, 1},
9034 {126, 187, 8, 12, 1},
9035 {128, 188, 0, 12, 1},
9036 {130, 188, 4, 12, 1},
9037 {132, 188, 8, 12, 1},
9038 {134, 189, 0, 12, 1},
9039 {136, 189, 4, 12, 1},
9040 {138, 189, 8, 12, 1},
9041 {140, 190, 0, 12, 1},
9042 {149, 191, 6, 12, 1},
9043 {151, 191, 10, 12, 1},
9044 {153, 192, 2, 12, 1},
9045 {155, 192, 6, 12, 1},
9046 {157, 192, 10, 12, 1},
9047 {159, 193, 2, 12, 1},
9048 {161, 193, 6, 12, 1},
9049 {165, 194, 2, 12, 1},
9050 {184, 164, 0, 12, 1},
9051 {188, 164, 4, 12, 1},
9052 {192, 165, 8, 12, 1},
9053 {196, 166, 0, 12, 1},
9054 };
9055
9056 static const struct rf_channel rf_vals_5592_xtal40[] = {
9057 /* Channel, N, K, mod, R */
9058 {1, 241, 2, 10, 3},
9059 {2, 241, 7, 10, 3},
9060 {3, 242, 2, 10, 3},
9061 {4, 242, 7, 10, 3},
9062 {5, 243, 2, 10, 3},
9063 {6, 243, 7, 10, 3},
9064 {7, 244, 2, 10, 3},
9065 {8, 244, 7, 10, 3},
9066 {9, 245, 2, 10, 3},
9067 {10, 245, 7, 10, 3},
9068 {11, 246, 2, 10, 3},
9069 {12, 246, 7, 10, 3},
9070 {13, 247, 2, 10, 3},
9071 {14, 248, 4, 10, 3},
9072 {36, 86, 4, 12, 1},
9073 {38, 86, 6, 12, 1},
9074 {40, 86, 8, 12, 1},
9075 {42, 86, 10, 12, 1},
9076 {44, 87, 0, 12, 1},
9077 {46, 87, 2, 12, 1},
9078 {48, 87, 4, 12, 1},
9079 {50, 87, 6, 12, 1},
9080 {52, 87, 8, 12, 1},
9081 {54, 87, 10, 12, 1},
9082 {56, 88, 0, 12, 1},
9083 {58, 88, 2, 12, 1},
9084 {60, 88, 4, 12, 1},
9085 {62, 88, 6, 12, 1},
9086 {64, 88, 8, 12, 1},
9087 {100, 91, 8, 12, 1},
9088 {102, 91, 10, 12, 1},
9089 {104, 92, 0, 12, 1},
9090 {106, 92, 2, 12, 1},
9091 {108, 92, 4, 12, 1},
9092 {110, 92, 6, 12, 1},
9093 {112, 92, 8, 12, 1},
9094 {114, 92, 10, 12, 1},
9095 {116, 93, 0, 12, 1},
9096 {118, 93, 2, 12, 1},
9097 {120, 93, 4, 12, 1},
9098 {122, 93, 6, 12, 1},
9099 {124, 93, 8, 12, 1},
9100 {126, 93, 10, 12, 1},
9101 {128, 94, 0, 12, 1},
9102 {130, 94, 2, 12, 1},
9103 {132, 94, 4, 12, 1},
9104 {134, 94, 6, 12, 1},
9105 {136, 94, 8, 12, 1},
9106 {138, 94, 10, 12, 1},
9107 {140, 95, 0, 12, 1},
9108 {149, 95, 9, 12, 1},
9109 {151, 95, 11, 12, 1},
9110 {153, 96, 1, 12, 1},
9111 {155, 96, 3, 12, 1},
9112 {157, 96, 5, 12, 1},
9113 {159, 96, 7, 12, 1},
9114 {161, 96, 9, 12, 1},
9115 {165, 97, 1, 12, 1},
9116 {184, 82, 0, 12, 1},
9117 {188, 82, 4, 12, 1},
9118 {192, 82, 8, 12, 1},
9119 {196, 83, 0, 12, 1},
9120 };
9121
9122 static const struct rf_channel rf_vals_7620[] = {
9123 {1, 0x50, 0x99, 0x99, 1},
9124 {2, 0x50, 0x44, 0x44, 2},
9125 {3, 0x50, 0xEE, 0xEE, 2},
9126 {4, 0x50, 0x99, 0x99, 3},
9127 {5, 0x51, 0x44, 0x44, 0},
9128 {6, 0x51, 0xEE, 0xEE, 0},
9129 {7, 0x51, 0x99, 0x99, 1},
9130 {8, 0x51, 0x44, 0x44, 2},
9131 {9, 0x51, 0xEE, 0xEE, 2},
9132 {10, 0x51, 0x99, 0x99, 3},
9133 {11, 0x52, 0x44, 0x44, 0},
9134 {12, 0x52, 0xEE, 0xEE, 0},
9135 {13, 0x52, 0x99, 0x99, 1},
9136 {14, 0x52, 0x33, 0x33, 3},
9137 };
9138
rt2800_probe_hw_mode(struct rt2x00_dev * rt2x00dev)9139 static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
9140 {
9141 struct hw_mode_spec *spec = &rt2x00dev->spec;
9142 struct channel_info *info;
9143 char *default_power1;
9144 char *default_power2;
9145 char *default_power3;
9146 unsigned int i, tx_chains, rx_chains;
9147 u32 reg;
9148
9149 /*
9150 * Disable powersaving as default.
9151 */
9152 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
9153
9154 /*
9155 * Change default retry settings to values corresponding more closely
9156 * to rate[0].count setting of minstrel rate control algorithm.
9157 */
9158 rt2x00dev->hw->wiphy->retry_short = 2;
9159 rt2x00dev->hw->wiphy->retry_long = 2;
9160
9161 /*
9162 * Initialize all hw fields.
9163 */
9164 ieee80211_hw_set(rt2x00dev->hw, REPORTS_TX_ACK_STATUS);
9165 ieee80211_hw_set(rt2x00dev->hw, AMPDU_AGGREGATION);
9166 ieee80211_hw_set(rt2x00dev->hw, PS_NULLFUNC_STACK);
9167 ieee80211_hw_set(rt2x00dev->hw, SIGNAL_DBM);
9168 ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_PS);
9169
9170 /*
9171 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
9172 * unless we are capable of sending the buffered frames out after the
9173 * DTIM transmission using rt2x00lib_beacondone. This will send out
9174 * multicast and broadcast traffic immediately instead of buffering it
9175 * infinitly and thus dropping it after some time.
9176 */
9177 if (!rt2x00_is_usb(rt2x00dev))
9178 ieee80211_hw_set(rt2x00dev->hw, HOST_BROADCAST_PS_BUFFERING);
9179
9180 /* Set MFP if HW crypto is disabled. */
9181 if (rt2800_hwcrypt_disabled(rt2x00dev))
9182 ieee80211_hw_set(rt2x00dev->hw, MFP_CAPABLE);
9183
9184 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
9185 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
9186 rt2800_eeprom_addr(rt2x00dev,
9187 EEPROM_MAC_ADDR_0));
9188
9189 /*
9190 * As rt2800 has a global fallback table we cannot specify
9191 * more then one tx rate per frame but since the hw will
9192 * try several rates (based on the fallback table) we should
9193 * initialize max_report_rates to the maximum number of rates
9194 * we are going to try. Otherwise mac80211 will truncate our
9195 * reported tx rates and the rc algortihm will end up with
9196 * incorrect data.
9197 */
9198 rt2x00dev->hw->max_rates = 1;
9199 rt2x00dev->hw->max_report_rates = 7;
9200 rt2x00dev->hw->max_rate_tries = 1;
9201
9202 /*
9203 * Initialize hw_mode information.
9204 */
9205 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
9206
9207 switch (rt2x00dev->chip.rf) {
9208 case RF2720:
9209 case RF2820:
9210 spec->num_channels = 14;
9211 spec->channels = rf_vals;
9212 break;
9213
9214 case RF2750:
9215 case RF2850:
9216 spec->num_channels = ARRAY_SIZE(rf_vals);
9217 spec->channels = rf_vals;
9218 break;
9219
9220 case RF2020:
9221 case RF3020:
9222 case RF3021:
9223 case RF3022:
9224 case RF3070:
9225 case RF3290:
9226 case RF3320:
9227 case RF3322:
9228 case RF5350:
9229 case RF5360:
9230 case RF5362:
9231 case RF5370:
9232 case RF5372:
9233 case RF5390:
9234 case RF5392:
9235 spec->num_channels = 14;
9236 if (rt2800_clk_is_20mhz(rt2x00dev))
9237 spec->channels = rf_vals_3x_xtal20;
9238 else
9239 spec->channels = rf_vals_3x;
9240 break;
9241
9242 case RF7620:
9243 spec->num_channels = ARRAY_SIZE(rf_vals_7620);
9244 spec->channels = rf_vals_7620;
9245 break;
9246
9247 case RF3052:
9248 case RF3053:
9249 spec->num_channels = ARRAY_SIZE(rf_vals_3x);
9250 spec->channels = rf_vals_3x;
9251 break;
9252
9253 case RF5592:
9254 reg = rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX);
9255 if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) {
9256 spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal40);
9257 spec->channels = rf_vals_5592_xtal40;
9258 } else {
9259 spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal20);
9260 spec->channels = rf_vals_5592_xtal20;
9261 }
9262 break;
9263 }
9264
9265 if (WARN_ON_ONCE(!spec->channels))
9266 return -ENODEV;
9267
9268 spec->supported_bands = SUPPORT_BAND_2GHZ;
9269 if (spec->num_channels > 14)
9270 spec->supported_bands |= SUPPORT_BAND_5GHZ;
9271
9272 /*
9273 * Initialize HT information.
9274 */
9275 if (!rt2x00_rf(rt2x00dev, RF2020))
9276 spec->ht.ht_supported = true;
9277 else
9278 spec->ht.ht_supported = false;
9279
9280 spec->ht.cap =
9281 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
9282 IEEE80211_HT_CAP_GRN_FLD |
9283 IEEE80211_HT_CAP_SGI_20 |
9284 IEEE80211_HT_CAP_SGI_40;
9285
9286 tx_chains = rt2x00dev->default_ant.tx_chain_num;
9287 rx_chains = rt2x00dev->default_ant.rx_chain_num;
9288
9289 if (tx_chains >= 2)
9290 spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
9291
9292 spec->ht.cap |= rx_chains << IEEE80211_HT_CAP_RX_STBC_SHIFT;
9293
9294 spec->ht.ampdu_factor = (rx_chains > 1) ? 3 : 2;
9295 spec->ht.ampdu_density = 4;
9296 spec->ht.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
9297 if (tx_chains != rx_chains) {
9298 spec->ht.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
9299 spec->ht.mcs.tx_params |=
9300 (tx_chains - 1) << IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT;
9301 }
9302
9303 switch (rx_chains) {
9304 case 3:
9305 spec->ht.mcs.rx_mask[2] = 0xff;
9306 case 2:
9307 spec->ht.mcs.rx_mask[1] = 0xff;
9308 case 1:
9309 spec->ht.mcs.rx_mask[0] = 0xff;
9310 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
9311 break;
9312 }
9313
9314 /*
9315 * Create channel information array
9316 */
9317 info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
9318 if (!info)
9319 return -ENOMEM;
9320
9321 spec->channels_info = info;
9322
9323 default_power1 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
9324 default_power2 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
9325
9326 if (rt2x00dev->default_ant.tx_chain_num > 2)
9327 default_power3 = rt2800_eeprom_addr(rt2x00dev,
9328 EEPROM_EXT_TXPOWER_BG3);
9329 else
9330 default_power3 = NULL;
9331
9332 for (i = 0; i < 14; i++) {
9333 info[i].default_power1 = default_power1[i];
9334 info[i].default_power2 = default_power2[i];
9335 if (default_power3)
9336 info[i].default_power3 = default_power3[i];
9337 }
9338
9339 if (spec->num_channels > 14) {
9340 default_power1 = rt2800_eeprom_addr(rt2x00dev,
9341 EEPROM_TXPOWER_A1);
9342 default_power2 = rt2800_eeprom_addr(rt2x00dev,
9343 EEPROM_TXPOWER_A2);
9344
9345 if (rt2x00dev->default_ant.tx_chain_num > 2)
9346 default_power3 =
9347 rt2800_eeprom_addr(rt2x00dev,
9348 EEPROM_EXT_TXPOWER_A3);
9349 else
9350 default_power3 = NULL;
9351
9352 for (i = 14; i < spec->num_channels; i++) {
9353 info[i].default_power1 = default_power1[i - 14];
9354 info[i].default_power2 = default_power2[i - 14];
9355 if (default_power3)
9356 info[i].default_power3 = default_power3[i - 14];
9357 }
9358 }
9359
9360 switch (rt2x00dev->chip.rf) {
9361 case RF2020:
9362 case RF3020:
9363 case RF3021:
9364 case RF3022:
9365 case RF3320:
9366 case RF3052:
9367 case RF3053:
9368 case RF3070:
9369 case RF3290:
9370 case RF5350:
9371 case RF5360:
9372 case RF5362:
9373 case RF5370:
9374 case RF5372:
9375 case RF5390:
9376 case RF5392:
9377 case RF5592:
9378 case RF7620:
9379 __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags);
9380 break;
9381 }
9382
9383 return 0;
9384 }
9385
rt2800_probe_rt(struct rt2x00_dev * rt2x00dev)9386 static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev)
9387 {
9388 u32 reg;
9389 u32 rt;
9390 u32 rev;
9391
9392 if (rt2x00_rt(rt2x00dev, RT3290))
9393 reg = rt2800_register_read(rt2x00dev, MAC_CSR0_3290);
9394 else
9395 reg = rt2800_register_read(rt2x00dev, MAC_CSR0);
9396
9397 rt = rt2x00_get_field32(reg, MAC_CSR0_CHIPSET);
9398 rev = rt2x00_get_field32(reg, MAC_CSR0_REVISION);
9399
9400 switch (rt) {
9401 case RT2860:
9402 case RT2872:
9403 case RT2883:
9404 case RT3070:
9405 case RT3071:
9406 case RT3090:
9407 case RT3290:
9408 case RT3352:
9409 case RT3390:
9410 case RT3572:
9411 case RT3593:
9412 case RT5350:
9413 case RT5390:
9414 case RT5392:
9415 case RT5592:
9416 break;
9417 default:
9418 rt2x00_err(rt2x00dev, "Invalid RT chipset 0x%04x, rev %04x detected\n",
9419 rt, rev);
9420 return -ENODEV;
9421 }
9422
9423 if (rt == RT5390 && rt2x00_is_soc(rt2x00dev))
9424 rt = RT6352;
9425
9426 rt2x00_set_rt(rt2x00dev, rt, rev);
9427
9428 return 0;
9429 }
9430
rt2800_probe_hw(struct rt2x00_dev * rt2x00dev)9431 int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
9432 {
9433 int retval;
9434 u32 reg;
9435
9436 retval = rt2800_probe_rt(rt2x00dev);
9437 if (retval)
9438 return retval;
9439
9440 /*
9441 * Allocate eeprom data.
9442 */
9443 retval = rt2800_validate_eeprom(rt2x00dev);
9444 if (retval)
9445 return retval;
9446
9447 retval = rt2800_init_eeprom(rt2x00dev);
9448 if (retval)
9449 return retval;
9450
9451 /*
9452 * Enable rfkill polling by setting GPIO direction of the
9453 * rfkill switch GPIO pin correctly.
9454 */
9455 reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
9456 rt2x00_set_field32(®, GPIO_CTRL_DIR2, 1);
9457 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
9458
9459 /*
9460 * Initialize hw specifications.
9461 */
9462 retval = rt2800_probe_hw_mode(rt2x00dev);
9463 if (retval)
9464 return retval;
9465
9466 /*
9467 * Set device capabilities.
9468 */
9469 __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
9470 __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
9471 if (!rt2x00_is_usb(rt2x00dev))
9472 __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
9473
9474 /*
9475 * Set device requirements.
9476 */
9477 if (!rt2x00_is_soc(rt2x00dev))
9478 __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
9479 __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
9480 __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
9481 if (!rt2800_hwcrypt_disabled(rt2x00dev))
9482 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
9483 __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
9484 __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
9485 if (rt2x00_is_usb(rt2x00dev))
9486 __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
9487 else {
9488 __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
9489 __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
9490 }
9491
9492 /*
9493 * Set the rssi offset.
9494 */
9495 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
9496
9497 return 0;
9498 }
9499 EXPORT_SYMBOL_GPL(rt2800_probe_hw);
9500
9501 /*
9502 * IEEE80211 stack callback functions.
9503 */
rt2800_get_key_seq(struct ieee80211_hw * hw,struct ieee80211_key_conf * key,struct ieee80211_key_seq * seq)9504 void rt2800_get_key_seq(struct ieee80211_hw *hw,
9505 struct ieee80211_key_conf *key,
9506 struct ieee80211_key_seq *seq)
9507 {
9508 struct rt2x00_dev *rt2x00dev = hw->priv;
9509 struct mac_iveiv_entry iveiv_entry;
9510 u32 offset;
9511
9512 if (key->cipher != WLAN_CIPHER_SUITE_TKIP)
9513 return;
9514
9515 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
9516 rt2800_register_multiread(rt2x00dev, offset,
9517 &iveiv_entry, sizeof(iveiv_entry));
9518
9519 memcpy(&seq->tkip.iv16, &iveiv_entry.iv[0], 2);
9520 memcpy(&seq->tkip.iv32, &iveiv_entry.iv[4], 4);
9521 }
9522 EXPORT_SYMBOL_GPL(rt2800_get_key_seq);
9523
rt2800_set_rts_threshold(struct ieee80211_hw * hw,u32 value)9524 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
9525 {
9526 struct rt2x00_dev *rt2x00dev = hw->priv;
9527 u32 reg;
9528 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
9529
9530 reg = rt2800_register_read(rt2x00dev, TX_RTS_CFG);
9531 rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, value);
9532 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
9533
9534 reg = rt2800_register_read(rt2x00dev, CCK_PROT_CFG);
9535 rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, enabled);
9536 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
9537
9538 reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG);
9539 rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, enabled);
9540 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
9541
9542 reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG);
9543 rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, enabled);
9544 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
9545
9546 reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG);
9547 rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, enabled);
9548 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
9549
9550 reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG);
9551 rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, enabled);
9552 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
9553
9554 reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG);
9555 rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, enabled);
9556 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
9557
9558 return 0;
9559 }
9560 EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
9561
rt2800_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u16 queue_idx,const struct ieee80211_tx_queue_params * params)9562 int rt2800_conf_tx(struct ieee80211_hw *hw,
9563 struct ieee80211_vif *vif, u16 queue_idx,
9564 const struct ieee80211_tx_queue_params *params)
9565 {
9566 struct rt2x00_dev *rt2x00dev = hw->priv;
9567 struct data_queue *queue;
9568 struct rt2x00_field32 field;
9569 int retval;
9570 u32 reg;
9571 u32 offset;
9572
9573 /*
9574 * First pass the configuration through rt2x00lib, that will
9575 * update the queue settings and validate the input. After that
9576 * we are free to update the registers based on the value
9577 * in the queue parameter.
9578 */
9579 retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
9580 if (retval)
9581 return retval;
9582
9583 /*
9584 * We only need to perform additional register initialization
9585 * for WMM queues/
9586 */
9587 if (queue_idx >= 4)
9588 return 0;
9589
9590 queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
9591
9592 /* Update WMM TXOP register */
9593 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
9594 field.bit_offset = (queue_idx & 1) * 16;
9595 field.bit_mask = 0xffff << field.bit_offset;
9596
9597 reg = rt2800_register_read(rt2x00dev, offset);
9598 rt2x00_set_field32(®, field, queue->txop);
9599 rt2800_register_write(rt2x00dev, offset, reg);
9600
9601 /* Update WMM registers */
9602 field.bit_offset = queue_idx * 4;
9603 field.bit_mask = 0xf << field.bit_offset;
9604
9605 reg = rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG);
9606 rt2x00_set_field32(®, field, queue->aifs);
9607 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
9608
9609 reg = rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG);
9610 rt2x00_set_field32(®, field, queue->cw_min);
9611 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
9612
9613 reg = rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG);
9614 rt2x00_set_field32(®, field, queue->cw_max);
9615 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
9616
9617 /* Update EDCA registers */
9618 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
9619
9620 reg = rt2800_register_read(rt2x00dev, offset);
9621 rt2x00_set_field32(®, EDCA_AC0_CFG_TX_OP, queue->txop);
9622 rt2x00_set_field32(®, EDCA_AC0_CFG_AIFSN, queue->aifs);
9623 rt2x00_set_field32(®, EDCA_AC0_CFG_CWMIN, queue->cw_min);
9624 rt2x00_set_field32(®, EDCA_AC0_CFG_CWMAX, queue->cw_max);
9625 rt2800_register_write(rt2x00dev, offset, reg);
9626
9627 return 0;
9628 }
9629 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
9630
rt2800_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)9631 u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
9632 {
9633 struct rt2x00_dev *rt2x00dev = hw->priv;
9634 u64 tsf;
9635 u32 reg;
9636
9637 reg = rt2800_register_read(rt2x00dev, TSF_TIMER_DW1);
9638 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
9639 reg = rt2800_register_read(rt2x00dev, TSF_TIMER_DW0);
9640 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
9641
9642 return tsf;
9643 }
9644 EXPORT_SYMBOL_GPL(rt2800_get_tsf);
9645
rt2800_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)9646 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
9647 struct ieee80211_ampdu_params *params)
9648 {
9649 struct ieee80211_sta *sta = params->sta;
9650 enum ieee80211_ampdu_mlme_action action = params->action;
9651 u16 tid = params->tid;
9652 struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
9653 int ret = 0;
9654
9655 /*
9656 * Don't allow aggregation for stations the hardware isn't aware
9657 * of because tx status reports for frames to an unknown station
9658 * always contain wcid=WCID_END+1 and thus we can't distinguish
9659 * between multiple stations which leads to unwanted situations
9660 * when the hw reorders frames due to aggregation.
9661 */
9662 if (sta_priv->wcid > WCID_END)
9663 return 1;
9664
9665 switch (action) {
9666 case IEEE80211_AMPDU_RX_START:
9667 case IEEE80211_AMPDU_RX_STOP:
9668 /*
9669 * The hw itself takes care of setting up BlockAck mechanisms.
9670 * So, we only have to allow mac80211 to nagotiate a BlockAck
9671 * agreement. Once that is done, the hw will BlockAck incoming
9672 * AMPDUs without further setup.
9673 */
9674 break;
9675 case IEEE80211_AMPDU_TX_START:
9676 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
9677 break;
9678 case IEEE80211_AMPDU_TX_STOP_CONT:
9679 case IEEE80211_AMPDU_TX_STOP_FLUSH:
9680 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
9681 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
9682 break;
9683 case IEEE80211_AMPDU_TX_OPERATIONAL:
9684 break;
9685 default:
9686 rt2x00_warn((struct rt2x00_dev *)hw->priv,
9687 "Unknown AMPDU action\n");
9688 }
9689
9690 return ret;
9691 }
9692 EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
9693
rt2800_get_survey(struct ieee80211_hw * hw,int idx,struct survey_info * survey)9694 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
9695 struct survey_info *survey)
9696 {
9697 struct rt2x00_dev *rt2x00dev = hw->priv;
9698 struct ieee80211_conf *conf = &hw->conf;
9699 u32 idle, busy, busy_ext;
9700
9701 if (idx != 0)
9702 return -ENOENT;
9703
9704 survey->channel = conf->chandef.chan;
9705
9706 idle = rt2800_register_read(rt2x00dev, CH_IDLE_STA);
9707 busy = rt2800_register_read(rt2x00dev, CH_BUSY_STA);
9708 busy_ext = rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC);
9709
9710 if (idle || busy) {
9711 survey->filled = SURVEY_INFO_TIME |
9712 SURVEY_INFO_TIME_BUSY |
9713 SURVEY_INFO_TIME_EXT_BUSY;
9714
9715 survey->time = (idle + busy) / 1000;
9716 survey->time_busy = busy / 1000;
9717 survey->time_ext_busy = busy_ext / 1000;
9718 }
9719
9720 if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
9721 survey->filled |= SURVEY_INFO_IN_USE;
9722
9723 return 0;
9724
9725 }
9726 EXPORT_SYMBOL_GPL(rt2800_get_survey);
9727
9728 MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
9729 MODULE_VERSION(DRV_VERSION);
9730 MODULE_DESCRIPTION("Ralink RT2800 library");
9731 MODULE_LICENSE("GPL");
9732