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Linux 3.11-rc3
[cris-mirror.git] / drivers / net / wireless / rt2x00 / rt2800lib.c
blob1f80ea5e29dde51068a2ad0815bbd2e4a49b6fcb
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, write to the
28 Free Software Foundation, Inc.,
29 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 */
31
32 /*
33 Module: rt2800lib
34 Abstract: rt2800 generic device routines.
35 */
36
37 #include <linux/crc-ccitt.h>
38 #include <linux/kernel.h>
39 #include <linux/module.h>
40 #include <linux/slab.h>
41
42 #include "rt2x00.h"
43 #include "rt2800lib.h"
44 #include "rt2800.h"
45
46 /*
47 * Register access.
48 * All access to the CSR registers will go through the methods
49 * rt2800_register_read and rt2800_register_write.
50 * BBP and RF register require indirect register access,
51 * and use the CSR registers BBPCSR and RFCSR to achieve this.
52 * These indirect registers work with busy bits,
53 * and we will try maximal REGISTER_BUSY_COUNT times to access
54 * the register while taking a REGISTER_BUSY_DELAY us delay
55 * between each attampt. When the busy bit is still set at that time,
56 * the access attempt is considered to have failed,
57 * and we will print an error.
58 * The _lock versions must be used if you already hold the csr_mutex
59 */
60 #define WAIT_FOR_BBP(__dev, __reg) \
61 rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
62 #define WAIT_FOR_RFCSR(__dev, __reg) \
63 rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
64 #define WAIT_FOR_RF(__dev, __reg) \
65 rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
66 #define WAIT_FOR_MCU(__dev, __reg) \
67 rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
68 H2M_MAILBOX_CSR_OWNER, (__reg))
69
70 static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev)
71 {
72 /* check for rt2872 on SoC */
73 if (!rt2x00_is_soc(rt2x00dev) ||
74 !rt2x00_rt(rt2x00dev, RT2872))
75 return false;
76
77 /* we know for sure that these rf chipsets are used on rt305x boards */
78 if (rt2x00_rf(rt2x00dev, RF3020) ||
79 rt2x00_rf(rt2x00dev, RF3021) ||
80 rt2x00_rf(rt2x00dev, RF3022))
81 return true;
82
83 rt2x00_warn(rt2x00dev, "Unknown RF chipset on rt305x\n");
84 return false;
85 }
86
87 static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
88 const unsigned int word, const u8 value)
89 {
90 u32 reg;
91
92 mutex_lock(&rt2x00dev->csr_mutex);
93
94 /*
95 * Wait until the BBP becomes available, afterwards we
96 * can safely write the new data into the register.
97 */
98 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
99 reg = 0;
100 rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
101 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
102 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
103 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
104 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
105
106 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
107 }
108
109 mutex_unlock(&rt2x00dev->csr_mutex);
110 }
111
112 static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
113 const unsigned int word, u8 *value)
114 {
115 u32 reg;
116
117 mutex_lock(&rt2x00dev->csr_mutex);
118
119 /*
120 * Wait until the BBP becomes available, afterwards we
121 * can safely write the read request into the register.
122 * After the data has been written, we wait until hardware
123 * returns the correct value, if at any time the register
124 * doesn't become available in time, reg will be 0xffffffff
125 * which means we return 0xff to the caller.
126 */
127 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
128 reg = 0;
129 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
130 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
131 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
132 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
133
134 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
135
136 WAIT_FOR_BBP(rt2x00dev, &reg);
137 }
138
139 *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
140
141 mutex_unlock(&rt2x00dev->csr_mutex);
142 }
143
144 static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
145 const unsigned int word, const u8 value)
146 {
147 u32 reg;
148
149 mutex_lock(&rt2x00dev->csr_mutex);
150
151 /*
152 * Wait until the RFCSR becomes available, afterwards we
153 * can safely write the new data into the register.
154 */
155 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
156 reg = 0;
157 rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
158 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
159 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
160 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
161
162 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
163 }
164
165 mutex_unlock(&rt2x00dev->csr_mutex);
166 }
167
168 static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
169 const unsigned int word, u8 *value)
170 {
171 u32 reg;
172
173 mutex_lock(&rt2x00dev->csr_mutex);
174
175 /*
176 * Wait until the RFCSR becomes available, afterwards we
177 * can safely write the read request into the register.
178 * After the data has been written, we wait until hardware
179 * returns the correct value, if at any time the register
180 * doesn't become available in time, reg will be 0xffffffff
181 * which means we return 0xff to the caller.
182 */
183 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
184 reg = 0;
185 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
186 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
187 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
188
189 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
190
191 WAIT_FOR_RFCSR(rt2x00dev, &reg);
192 }
193
194 *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
195
196 mutex_unlock(&rt2x00dev->csr_mutex);
197 }
198
199 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
200 const unsigned int word, const u32 value)
201 {
202 u32 reg;
203
204 mutex_lock(&rt2x00dev->csr_mutex);
205
206 /*
207 * Wait until the RF becomes available, afterwards we
208 * can safely write the new data into the register.
209 */
210 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
211 reg = 0;
212 rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
213 rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
214 rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
215 rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
216
217 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
218 rt2x00_rf_write(rt2x00dev, word, value);
219 }
220
221 mutex_unlock(&rt2x00dev->csr_mutex);
222 }
223
224 static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev)
225 {
226 u32 reg;
227 int i, count;
228
229 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
230 if (rt2x00_get_field32(reg, WLAN_EN))
231 return 0;
232
233 rt2x00_set_field32(&reg, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff);
234 rt2x00_set_field32(&reg, FRC_WL_ANT_SET, 1);
235 rt2x00_set_field32(&reg, WLAN_CLK_EN, 0);
236 rt2x00_set_field32(&reg, WLAN_EN, 1);
237 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
238
239 udelay(REGISTER_BUSY_DELAY);
240
241 count = 0;
242 do {
243 /*
244 * Check PLL_LD & XTAL_RDY.
245 */
246 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
247 rt2800_register_read(rt2x00dev, CMB_CTRL, &reg);
248 if (rt2x00_get_field32(reg, PLL_LD) &&
249 rt2x00_get_field32(reg, XTAL_RDY))
250 break;
251 udelay(REGISTER_BUSY_DELAY);
252 }
253
254 if (i >= REGISTER_BUSY_COUNT) {
255
256 if (count >= 10)
257 return -EIO;
258
259 rt2800_register_write(rt2x00dev, 0x58, 0x018);
260 udelay(REGISTER_BUSY_DELAY);
261 rt2800_register_write(rt2x00dev, 0x58, 0x418);
262 udelay(REGISTER_BUSY_DELAY);
263 rt2800_register_write(rt2x00dev, 0x58, 0x618);
264 udelay(REGISTER_BUSY_DELAY);
265 count++;
266 } else {
267 count = 0;
268 }
269
270 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
271 rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 0);
272 rt2x00_set_field32(&reg, WLAN_CLK_EN, 1);
273 rt2x00_set_field32(&reg, WLAN_RESET, 1);
274 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
275 udelay(10);
276 rt2x00_set_field32(&reg, WLAN_RESET, 0);
277 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
278 udelay(10);
279 rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff);
280 } while (count != 0);
281
282 return 0;
283 }
284
285 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
286 const u8 command, const u8 token,
287 const u8 arg0, const u8 arg1)
288 {
289 u32 reg;
290
291 /*
292 * SOC devices don't support MCU requests.
293 */
294 if (rt2x00_is_soc(rt2x00dev))
295 return;
296
297 mutex_lock(&rt2x00dev->csr_mutex);
298
299 /*
300 * Wait until the MCU becomes available, afterwards we
301 * can safely write the new data into the register.
302 */
303 if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
304 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
305 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
306 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
307 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
308 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
309
310 reg = 0;
311 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
312 rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
313 }
314
315 mutex_unlock(&rt2x00dev->csr_mutex);
316 }
317 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
318
319 int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
320 {
321 unsigned int i = 0;
322 u32 reg;
323
324 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
325 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
326 if (reg && reg != ~0)
327 return 0;
328 msleep(1);
329 }
330
331 rt2x00_err(rt2x00dev, "Unstable hardware\n");
332 return -EBUSY;
333 }
334 EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
335
336 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
337 {
338 unsigned int i;
339 u32 reg;
340
341 /*
342 * Some devices are really slow to respond here. Wait a whole second
343 * before timing out.
344 */
345 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
346 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
347 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
348 !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
349 return 0;
350
351 msleep(10);
352 }
353
354 rt2x00_err(rt2x00dev, "WPDMA TX/RX busy [0x%08x]\n", reg);
355 return -EACCES;
356 }
357 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
358
359 void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev)
360 {
361 u32 reg;
362
363 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
364 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
365 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
366 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
367 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
368 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
369 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
370 }
371 EXPORT_SYMBOL_GPL(rt2800_disable_wpdma);
372
373 static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
374 {
375 u16 fw_crc;
376 u16 crc;
377
378 /*
379 * The last 2 bytes in the firmware array are the crc checksum itself,
380 * this means that we should never pass those 2 bytes to the crc
381 * algorithm.
382 */
383 fw_crc = (data[len - 2] << 8 | data[len - 1]);
384
385 /*
386 * Use the crc ccitt algorithm.
387 * This will return the same value as the legacy driver which
388 * used bit ordering reversion on the both the firmware bytes
389 * before input input as well as on the final output.
390 * Obviously using crc ccitt directly is much more efficient.
391 */
392 crc = crc_ccitt(~0, data, len - 2);
393
394 /*
395 * There is a small difference between the crc-itu-t + bitrev and
396 * the crc-ccitt crc calculation. In the latter method the 2 bytes
397 * will be swapped, use swab16 to convert the crc to the correct
398 * value.
399 */
400 crc = swab16(crc);
401
402 return fw_crc == crc;
403 }
404
405 int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
406 const u8 *data, const size_t len)
407 {
408 size_t offset = 0;
409 size_t fw_len;
410 bool multiple;
411
412 /*
413 * PCI(e) & SOC devices require firmware with a length
414 * of 8kb. USB devices require firmware files with a length
415 * of 4kb. Certain USB chipsets however require different firmware,
416 * which Ralink only provides attached to the original firmware
417 * file. Thus for USB devices, firmware files have a length
418 * which is a multiple of 4kb. The firmware for rt3290 chip also
419 * have a length which is a multiple of 4kb.
420 */
421 if (rt2x00_is_usb(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3290))
422 fw_len = 4096;
423 else
424 fw_len = 8192;
425
426 multiple = true;
427 /*
428 * Validate the firmware length
429 */
430 if (len != fw_len && (!multiple || (len % fw_len) != 0))
431 return FW_BAD_LENGTH;
432
433 /*
434 * Check if the chipset requires one of the upper parts
435 * of the firmware.
436 */
437 if (rt2x00_is_usb(rt2x00dev) &&
438 !rt2x00_rt(rt2x00dev, RT2860) &&
439 !rt2x00_rt(rt2x00dev, RT2872) &&
440 !rt2x00_rt(rt2x00dev, RT3070) &&
441 ((len / fw_len) == 1))
442 return FW_BAD_VERSION;
443
444 /*
445 * 8kb firmware files must be checked as if it were
446 * 2 separate firmware files.
447 */
448 while (offset < len) {
449 if (!rt2800_check_firmware_crc(data + offset, fw_len))
450 return FW_BAD_CRC;
451
452 offset += fw_len;
453 }
454
455 return FW_OK;
456 }
457 EXPORT_SYMBOL_GPL(rt2800_check_firmware);
458
459 int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
460 const u8 *data, const size_t len)
461 {
462 unsigned int i;
463 u32 reg;
464 int retval;
465
466 if (rt2x00_rt(rt2x00dev, RT3290)) {
467 retval = rt2800_enable_wlan_rt3290(rt2x00dev);
468 if (retval)
469 return -EBUSY;
470 }
471
472 /*
473 * If driver doesn't wake up firmware here,
474 * rt2800_load_firmware will hang forever when interface is up again.
475 */
476 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
477
478 /*
479 * Wait for stable hardware.
480 */
481 if (rt2800_wait_csr_ready(rt2x00dev))
482 return -EBUSY;
483
484 if (rt2x00_is_pci(rt2x00dev)) {
485 if (rt2x00_rt(rt2x00dev, RT3290) ||
486 rt2x00_rt(rt2x00dev, RT3572) ||
487 rt2x00_rt(rt2x00dev, RT5390) ||
488 rt2x00_rt(rt2x00dev, RT5392)) {
489 rt2800_register_read(rt2x00dev, AUX_CTRL, &reg);
490 rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
491 rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
492 rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
493 }
494 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
495 }
496
497 rt2800_disable_wpdma(rt2x00dev);
498
499 /*
500 * Write firmware to the device.
501 */
502 rt2800_drv_write_firmware(rt2x00dev, data, len);
503
504 /*
505 * Wait for device to stabilize.
506 */
507 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
508 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
509 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
510 break;
511 msleep(1);
512 }
513
514 if (i == REGISTER_BUSY_COUNT) {
515 rt2x00_err(rt2x00dev, "PBF system register not ready\n");
516 return -EBUSY;
517 }
518
519 /*
520 * Disable DMA, will be reenabled later when enabling
521 * the radio.
522 */
523 rt2800_disable_wpdma(rt2x00dev);
524
525 /*
526 * Initialize firmware.
527 */
528 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
529 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
530 if (rt2x00_is_usb(rt2x00dev)) {
531 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
532 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
533 }
534 msleep(1);
535
536 return 0;
537 }
538 EXPORT_SYMBOL_GPL(rt2800_load_firmware);
539
540 void rt2800_write_tx_data(struct queue_entry *entry,
541 struct txentry_desc *txdesc)
542 {
543 __le32 *txwi = rt2800_drv_get_txwi(entry);
544 u32 word;
545 int i;
546
547 /*
548 * Initialize TX Info descriptor
549 */
550 rt2x00_desc_read(txwi, 0, &word);
551 rt2x00_set_field32(&word, TXWI_W0_FRAG,
552 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
553 rt2x00_set_field32(&word, TXWI_W0_MIMO_PS,
554 test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags));
555 rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
556 rt2x00_set_field32(&word, TXWI_W0_TS,
557 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
558 rt2x00_set_field32(&word, TXWI_W0_AMPDU,
559 test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
560 rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY,
561 txdesc->u.ht.mpdu_density);
562 rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop);
563 rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs);
564 rt2x00_set_field32(&word, TXWI_W0_BW,
565 test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
566 rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
567 test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
568 rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc);
569 rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
570 rt2x00_desc_write(txwi, 0, word);
571
572 rt2x00_desc_read(txwi, 1, &word);
573 rt2x00_set_field32(&word, TXWI_W1_ACK,
574 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
575 rt2x00_set_field32(&word, TXWI_W1_NSEQ,
576 test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
577 rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
578 rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
579 test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
580 txdesc->key_idx : txdesc->u.ht.wcid);
581 rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
582 txdesc->length);
583 rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
584 rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
585 rt2x00_desc_write(txwi, 1, word);
586
587 /*
588 * Always write 0 to IV/EIV fields (word 2 and 3), hardware will insert
589 * the IV from the IVEIV register when TXD_W3_WIV is set to 0.
590 * When TXD_W3_WIV is set to 1 it will use the IV data
591 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
592 * crypto entry in the registers should be used to encrypt the frame.
593 *
594 * Nulify all remaining words as well, we don't know how to program them.
595 */
596 for (i = 2; i < entry->queue->winfo_size / sizeof(__le32); i++)
597 _rt2x00_desc_write(txwi, i, 0);
598 }
599 EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
600
601 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
602 {
603 s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
604 s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
605 s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
606 u16 eeprom;
607 u8 offset0;
608 u8 offset1;
609 u8 offset2;
610
611 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
612 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &eeprom);
613 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
614 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
615 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
616 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2);
617 } else {
618 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &eeprom);
619 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0);
620 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1);
621 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
622 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2);
623 }
624
625 /*
626 * Convert the value from the descriptor into the RSSI value
627 * If the value in the descriptor is 0, it is considered invalid
628 * and the default (extremely low) rssi value is assumed
629 */
630 rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128;
631 rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128;
632 rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128;
633
634 /*
635 * mac80211 only accepts a single RSSI value. Calculating the
636 * average doesn't deliver a fair answer either since -60:-60 would
637 * be considered equally good as -50:-70 while the second is the one
638 * which gives less energy...
639 */
640 rssi0 = max(rssi0, rssi1);
641 return (int)max(rssi0, rssi2);
642 }
643
644 void rt2800_process_rxwi(struct queue_entry *entry,
645 struct rxdone_entry_desc *rxdesc)
646 {
647 __le32 *rxwi = (__le32 *) entry->skb->data;
648 u32 word;
649
650 rt2x00_desc_read(rxwi, 0, &word);
651
652 rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF);
653 rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
654
655 rt2x00_desc_read(rxwi, 1, &word);
656
657 if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI))
658 rxdesc->flags |= RX_FLAG_SHORT_GI;
659
660 if (rt2x00_get_field32(word, RXWI_W1_BW))
661 rxdesc->flags |= RX_FLAG_40MHZ;
662
663 /*
664 * Detect RX rate, always use MCS as signal type.
665 */
666 rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
667 rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS);
668 rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE);
669
670 /*
671 * Mask of 0x8 bit to remove the short preamble flag.
672 */
673 if (rxdesc->rate_mode == RATE_MODE_CCK)
674 rxdesc->signal &= ~0x8;
675
676 rt2x00_desc_read(rxwi, 2, &word);
677
678 /*
679 * Convert descriptor AGC value to RSSI value.
680 */
681 rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word);
682 /*
683 * Remove RXWI descriptor from start of the buffer.
684 */
685 skb_pull(entry->skb, entry->queue->winfo_size);
686 }
687 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
688
689 void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
690 {
691 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
692 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
693 struct txdone_entry_desc txdesc;
694 u32 word;
695 u16 mcs, real_mcs;
696 int aggr, ampdu;
697
698 /*
699 * Obtain the status about this packet.
700 */
701 txdesc.flags = 0;
702 rt2x00_desc_read(txwi, 0, &word);
703
704 mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
705 ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
706
707 real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
708 aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
709
710 /*
711 * If a frame was meant to be sent as a single non-aggregated MPDU
712 * but ended up in an aggregate the used tx rate doesn't correlate
713 * with the one specified in the TXWI as the whole aggregate is sent
714 * with the same rate.
715 *
716 * For example: two frames are sent to rt2x00, the first one sets
717 * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
718 * and requests MCS15. If the hw aggregates both frames into one
719 * AMDPU the tx status for both frames will contain MCS7 although
720 * the frame was sent successfully.
721 *
722 * Hence, replace the requested rate with the real tx rate to not
723 * confuse the rate control algortihm by providing clearly wrong
724 * data.
725 */
726 if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) {
727 skbdesc->tx_rate_idx = real_mcs;
728 mcs = real_mcs;
729 }
730
731 if (aggr == 1 || ampdu == 1)
732 __set_bit(TXDONE_AMPDU, &txdesc.flags);
733
734 /*
735 * Ralink has a retry mechanism using a global fallback
736 * table. We setup this fallback table to try the immediate
737 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
738 * always contains the MCS used for the last transmission, be
739 * it successful or not.
740 */
741 if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
742 /*
743 * Transmission succeeded. The number of retries is
744 * mcs - real_mcs
745 */
746 __set_bit(TXDONE_SUCCESS, &txdesc.flags);
747 txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
748 } else {
749 /*
750 * Transmission failed. The number of retries is
751 * always 7 in this case (for a total number of 8
752 * frames sent).
753 */
754 __set_bit(TXDONE_FAILURE, &txdesc.flags);
755 txdesc.retry = rt2x00dev->long_retry;
756 }
757
758 /*
759 * the frame was retried at least once
760 * -> hw used fallback rates
761 */
762 if (txdesc.retry)
763 __set_bit(TXDONE_FALLBACK, &txdesc.flags);
764
765 rt2x00lib_txdone(entry, &txdesc);
766 }
767 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
768
769 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
770 {
771 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
772 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
773 unsigned int beacon_base;
774 unsigned int padding_len;
775 u32 orig_reg, reg;
776 const int txwi_desc_size = entry->queue->winfo_size;
777
778 /*
779 * Disable beaconing while we are reloading the beacon data,
780 * otherwise we might be sending out invalid data.
781 */
782 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
783 orig_reg = reg;
784 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
785 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
786
787 /*
788 * Add space for the TXWI in front of the skb.
789 */
790 memset(skb_push(entry->skb, txwi_desc_size), 0, txwi_desc_size);
791
792 /*
793 * Register descriptor details in skb frame descriptor.
794 */
795 skbdesc->flags |= SKBDESC_DESC_IN_SKB;
796 skbdesc->desc = entry->skb->data;
797 skbdesc->desc_len = txwi_desc_size;
798
799 /*
800 * Add the TXWI for the beacon to the skb.
801 */
802 rt2800_write_tx_data(entry, txdesc);
803
804 /*
805 * Dump beacon to userspace through debugfs.
806 */
807 rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
808
809 /*
810 * Write entire beacon with TXWI and padding to register.
811 */
812 padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
813 if (padding_len && skb_pad(entry->skb, padding_len)) {
814 rt2x00_err(rt2x00dev, "Failure padding beacon, aborting\n");
815 /* skb freed by skb_pad() on failure */
816 entry->skb = NULL;
817 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
818 return;
819 }
820
821 beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
822 rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
823 entry->skb->len + padding_len);
824
825 /*
826 * Enable beaconing again.
827 */
828 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
829 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
830
831 /*
832 * Clean up beacon skb.
833 */
834 dev_kfree_skb_any(entry->skb);
835 entry->skb = NULL;
836 }
837 EXPORT_SYMBOL_GPL(rt2800_write_beacon);
838
839 static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
840 unsigned int beacon_base)
841 {
842 int i;
843 const int txwi_desc_size = rt2x00dev->bcn->winfo_size;
844
845 /*
846 * For the Beacon base registers we only need to clear
847 * the whole TXWI which (when set to 0) will invalidate
848 * the entire beacon.
849 */
850 for (i = 0; i < txwi_desc_size; i += sizeof(__le32))
851 rt2800_register_write(rt2x00dev, beacon_base + i, 0);
852 }
853
854 void rt2800_clear_beacon(struct queue_entry *entry)
855 {
856 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
857 u32 reg;
858
859 /*
860 * Disable beaconing while we are reloading the beacon data,
861 * otherwise we might be sending out invalid data.
862 */
863 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
864 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
865 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
866
867 /*
868 * Clear beacon.
869 */
870 rt2800_clear_beacon_register(rt2x00dev,
871 HW_BEACON_OFFSET(entry->entry_idx));
872
873 /*
874 * Enabled beaconing again.
875 */
876 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
877 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
878 }
879 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
880
881 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
882 const struct rt2x00debug rt2800_rt2x00debug = {
883 .owner = THIS_MODULE,
884 .csr = {
885 .read = rt2800_register_read,
886 .write = rt2800_register_write,
887 .flags = RT2X00DEBUGFS_OFFSET,
888 .word_base = CSR_REG_BASE,
889 .word_size = sizeof(u32),
890 .word_count = CSR_REG_SIZE / sizeof(u32),
891 },
892 .eeprom = {
893 .read = rt2x00_eeprom_read,
894 .write = rt2x00_eeprom_write,
895 .word_base = EEPROM_BASE,
896 .word_size = sizeof(u16),
897 .word_count = EEPROM_SIZE / sizeof(u16),
898 },
899 .bbp = {
900 .read = rt2800_bbp_read,
901 .write = rt2800_bbp_write,
902 .word_base = BBP_BASE,
903 .word_size = sizeof(u8),
904 .word_count = BBP_SIZE / sizeof(u8),
905 },
906 .rf = {
907 .read = rt2x00_rf_read,
908 .write = rt2800_rf_write,
909 .word_base = RF_BASE,
910 .word_size = sizeof(u32),
911 .word_count = RF_SIZE / sizeof(u32),
912 },
913 .rfcsr = {
914 .read = rt2800_rfcsr_read,
915 .write = rt2800_rfcsr_write,
916 .word_base = RFCSR_BASE,
917 .word_size = sizeof(u8),
918 .word_count = RFCSR_SIZE / sizeof(u8),
919 },
920 };
921 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
922 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
923
924 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
925 {
926 u32 reg;
927
928 if (rt2x00_rt(rt2x00dev, RT3290)) {
929 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
930 return rt2x00_get_field32(reg, WLAN_GPIO_IN_BIT0);
931 } else {
932 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
933 return rt2x00_get_field32(reg, GPIO_CTRL_VAL2);
934 }
935 }
936 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
937
938 #ifdef CONFIG_RT2X00_LIB_LEDS
939 static void rt2800_brightness_set(struct led_classdev *led_cdev,
940 enum led_brightness brightness)
941 {
942 struct rt2x00_led *led =
943 container_of(led_cdev, struct rt2x00_led, led_dev);
944 unsigned int enabled = brightness != LED_OFF;
945 unsigned int bg_mode =
946 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
947 unsigned int polarity =
948 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
949 EEPROM_FREQ_LED_POLARITY);
950 unsigned int ledmode =
951 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
952 EEPROM_FREQ_LED_MODE);
953 u32 reg;
954
955 /* Check for SoC (SOC devices don't support MCU requests) */
956 if (rt2x00_is_soc(led->rt2x00dev)) {
957 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
958
959 /* Set LED Polarity */
960 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
961
962 /* Set LED Mode */
963 if (led->type == LED_TYPE_RADIO) {
964 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
965 enabled ? 3 : 0);
966 } else if (led->type == LED_TYPE_ASSOC) {
967 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
968 enabled ? 3 : 0);
969 } else if (led->type == LED_TYPE_QUALITY) {
970 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
971 enabled ? 3 : 0);
972 }
973
974 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
975
976 } else {
977 if (led->type == LED_TYPE_RADIO) {
978 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
979 enabled ? 0x20 : 0);
980 } else if (led->type == LED_TYPE_ASSOC) {
981 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
982 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
983 } else if (led->type == LED_TYPE_QUALITY) {
984 /*
985 * The brightness is divided into 6 levels (0 - 5),
986 * The specs tell us the following levels:
987 * 0, 1 ,3, 7, 15, 31
988 * to determine the level in a simple way we can simply
989 * work with bitshifting:
990 * (1 << level) - 1
991 */
992 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
993 (1 << brightness / (LED_FULL / 6)) - 1,
994 polarity);
995 }
996 }
997 }
998
999 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
1000 struct rt2x00_led *led, enum led_type type)
1001 {
1002 led->rt2x00dev = rt2x00dev;
1003 led->type = type;
1004 led->led_dev.brightness_set = rt2800_brightness_set;
1005 led->flags = LED_INITIALIZED;
1006 }
1007 #endif /* CONFIG_RT2X00_LIB_LEDS */
1008
1009 /*
1010 * Configuration handlers.
1011 */
1012 static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
1013 const u8 *address,
1014 int wcid)
1015 {
1016 struct mac_wcid_entry wcid_entry;
1017 u32 offset;
1018
1019 offset = MAC_WCID_ENTRY(wcid);
1020
1021 memset(&wcid_entry, 0xff, sizeof(wcid_entry));
1022 if (address)
1023 memcpy(wcid_entry.mac, address, ETH_ALEN);
1024
1025 rt2800_register_multiwrite(rt2x00dev, offset,
1026 &wcid_entry, sizeof(wcid_entry));
1027 }
1028
1029 static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
1030 {
1031 u32 offset;
1032 offset = MAC_WCID_ATTR_ENTRY(wcid);
1033 rt2800_register_write(rt2x00dev, offset, 0);
1034 }
1035
1036 static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
1037 int wcid, u32 bssidx)
1038 {
1039 u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
1040 u32 reg;
1041
1042 /*
1043 * The BSS Idx numbers is split in a main value of 3 bits,
1044 * and a extended field for adding one additional bit to the value.
1045 */
1046 rt2800_register_read(rt2x00dev, offset, &reg);
1047 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
1048 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
1049 (bssidx & 0x8) >> 3);
1050 rt2800_register_write(rt2x00dev, offset, reg);
1051 }
1052
1053 static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
1054 struct rt2x00lib_crypto *crypto,
1055 struct ieee80211_key_conf *key)
1056 {
1057 struct mac_iveiv_entry iveiv_entry;
1058 u32 offset;
1059 u32 reg;
1060
1061 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
1062
1063 if (crypto->cmd == SET_KEY) {
1064 rt2800_register_read(rt2x00dev, offset, &reg);
1065 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
1066 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
1067 /*
1068 * Both the cipher as the BSS Idx numbers are split in a main
1069 * value of 3 bits, and a extended field for adding one additional
1070 * bit to the value.
1071 */
1072 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
1073 (crypto->cipher & 0x7));
1074 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
1075 (crypto->cipher & 0x8) >> 3);
1076 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
1077 rt2800_register_write(rt2x00dev, offset, reg);
1078 } else {
1079 /* Delete the cipher without touching the bssidx */
1080 rt2800_register_read(rt2x00dev, offset, &reg);
1081 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
1082 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER, 0);
1083 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
1084 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
1085 rt2800_register_write(rt2x00dev, offset, reg);
1086 }
1087
1088 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
1089
1090 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
1091 if ((crypto->cipher == CIPHER_TKIP) ||
1092 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
1093 (crypto->cipher == CIPHER_AES))
1094 iveiv_entry.iv[3] |= 0x20;
1095 iveiv_entry.iv[3] |= key->keyidx << 6;
1096 rt2800_register_multiwrite(rt2x00dev, offset,
1097 &iveiv_entry, sizeof(iveiv_entry));
1098 }
1099
1100 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
1101 struct rt2x00lib_crypto *crypto,
1102 struct ieee80211_key_conf *key)
1103 {
1104 struct hw_key_entry key_entry;
1105 struct rt2x00_field32 field;
1106 u32 offset;
1107 u32 reg;
1108
1109 if (crypto->cmd == SET_KEY) {
1110 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
1111
1112 memcpy(key_entry.key, crypto->key,
1113 sizeof(key_entry.key));
1114 memcpy(key_entry.tx_mic, crypto->tx_mic,
1115 sizeof(key_entry.tx_mic));
1116 memcpy(key_entry.rx_mic, crypto->rx_mic,
1117 sizeof(key_entry.rx_mic));
1118
1119 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1120 rt2800_register_multiwrite(rt2x00dev, offset,
1121 &key_entry, sizeof(key_entry));
1122 }
1123
1124 /*
1125 * The cipher types are stored over multiple registers
1126 * starting with SHARED_KEY_MODE_BASE each word will have
1127 * 32 bits and contains the cipher types for 2 bssidx each.
1128 * Using the correct defines correctly will cause overhead,
1129 * so just calculate the correct offset.
1130 */
1131 field.bit_offset = 4 * (key->hw_key_idx % 8);
1132 field.bit_mask = 0x7 << field.bit_offset;
1133
1134 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1135
1136 rt2800_register_read(rt2x00dev, offset, &reg);
1137 rt2x00_set_field32(&reg, field,
1138 (crypto->cmd == SET_KEY) * crypto->cipher);
1139 rt2800_register_write(rt2x00dev, offset, reg);
1140
1141 /*
1142 * Update WCID information
1143 */
1144 rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
1145 rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
1146 crypto->bssidx);
1147 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1148
1149 return 0;
1150 }
1151 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1152
1153 static inline int rt2800_find_wcid(struct rt2x00_dev *rt2x00dev)
1154 {
1155 struct mac_wcid_entry wcid_entry;
1156 int idx;
1157 u32 offset;
1158
1159 /*
1160 * Search for the first free WCID entry and return the corresponding
1161 * index.
1162 *
1163 * Make sure the WCID starts _after_ the last possible shared key
1164 * entry (>32).
1165 *
1166 * Since parts of the pairwise key table might be shared with
1167 * the beacon frame buffers 6 & 7 we should only write into the
1168 * first 222 entries.
1169 */
1170 for (idx = 33; idx <= 222; idx++) {
1171 offset = MAC_WCID_ENTRY(idx);
1172 rt2800_register_multiread(rt2x00dev, offset, &wcid_entry,
1173 sizeof(wcid_entry));
1174 if (is_broadcast_ether_addr(wcid_entry.mac))
1175 return idx;
1176 }
1177
1178 /*
1179 * Use -1 to indicate that we don't have any more space in the WCID
1180 * table.
1181 */
1182 return -1;
1183 }
1184
1185 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1186 struct rt2x00lib_crypto *crypto,
1187 struct ieee80211_key_conf *key)
1188 {
1189 struct hw_key_entry key_entry;
1190 u32 offset;
1191
1192 if (crypto->cmd == SET_KEY) {
1193 /*
1194 * Allow key configuration only for STAs that are
1195 * known by the hw.
1196 */
1197 if (crypto->wcid < 0)
1198 return -ENOSPC;
1199 key->hw_key_idx = crypto->wcid;
1200
1201 memcpy(key_entry.key, crypto->key,
1202 sizeof(key_entry.key));
1203 memcpy(key_entry.tx_mic, crypto->tx_mic,
1204 sizeof(key_entry.tx_mic));
1205 memcpy(key_entry.rx_mic, crypto->rx_mic,
1206 sizeof(key_entry.rx_mic));
1207
1208 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1209 rt2800_register_multiwrite(rt2x00dev, offset,
1210 &key_entry, sizeof(key_entry));
1211 }
1212
1213 /*
1214 * Update WCID information
1215 */
1216 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1217
1218 return 0;
1219 }
1220 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1221
1222 int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
1223 struct ieee80211_sta *sta)
1224 {
1225 int wcid;
1226 struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1227
1228 /*
1229 * Find next free WCID.
1230 */
1231 wcid = rt2800_find_wcid(rt2x00dev);
1232
1233 /*
1234 * Store selected wcid even if it is invalid so that we can
1235 * later decide if the STA is uploaded into the hw.
1236 */
1237 sta_priv->wcid = wcid;
1238
1239 /*
1240 * No space left in the device, however, we can still communicate
1241 * with the STA -> No error.
1242 */
1243 if (wcid < 0)
1244 return 0;
1245
1246 /*
1247 * Clean up WCID attributes and write STA address to the device.
1248 */
1249 rt2800_delete_wcid_attr(rt2x00dev, wcid);
1250 rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
1251 rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
1252 rt2x00lib_get_bssidx(rt2x00dev, vif));
1253 return 0;
1254 }
1255 EXPORT_SYMBOL_GPL(rt2800_sta_add);
1256
1257 int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid)
1258 {
1259 /*
1260 * Remove WCID entry, no need to clean the attributes as they will
1261 * get renewed when the WCID is reused.
1262 */
1263 rt2800_config_wcid(rt2x00dev, NULL, wcid);
1264
1265 return 0;
1266 }
1267 EXPORT_SYMBOL_GPL(rt2800_sta_remove);
1268
1269 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1270 const unsigned int filter_flags)
1271 {
1272 u32 reg;
1273
1274 /*
1275 * Start configuration steps.
1276 * Note that the version error will always be dropped
1277 * and broadcast frames will always be accepted since
1278 * there is no filter for it at this time.
1279 */
1280 rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
1281 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
1282 !(filter_flags & FIF_FCSFAIL));
1283 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
1284 !(filter_flags & FIF_PLCPFAIL));
1285 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
1286 !(filter_flags & FIF_PROMISC_IN_BSS));
1287 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1288 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1289 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
1290 !(filter_flags & FIF_ALLMULTI));
1291 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
1292 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1293 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
1294 !(filter_flags & FIF_CONTROL));
1295 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
1296 !(filter_flags & FIF_CONTROL));
1297 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
1298 !(filter_flags & FIF_CONTROL));
1299 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
1300 !(filter_flags & FIF_CONTROL));
1301 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
1302 !(filter_flags & FIF_CONTROL));
1303 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
1304 !(filter_flags & FIF_PSPOLL));
1305 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 0);
1306 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR,
1307 !(filter_flags & FIF_CONTROL));
1308 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
1309 !(filter_flags & FIF_CONTROL));
1310 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1311 }
1312 EXPORT_SYMBOL_GPL(rt2800_config_filter);
1313
1314 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1315 struct rt2x00intf_conf *conf, const unsigned int flags)
1316 {
1317 u32 reg;
1318 bool update_bssid = false;
1319
1320 if (flags & CONFIG_UPDATE_TYPE) {
1321 /*
1322 * Enable synchronisation.
1323 */
1324 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1325 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1326 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1327
1328 if (conf->sync == TSF_SYNC_AP_NONE) {
1329 /*
1330 * Tune beacon queue transmit parameters for AP mode
1331 */
1332 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1333 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1334 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1335 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1336 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1337 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1338 } else {
1339 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1340 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1341 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1342 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1343 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1344 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1345 }
1346 }
1347
1348 if (flags & CONFIG_UPDATE_MAC) {
1349 if (flags & CONFIG_UPDATE_TYPE &&
1350 conf->sync == TSF_SYNC_AP_NONE) {
1351 /*
1352 * The BSSID register has to be set to our own mac
1353 * address in AP mode.
1354 */
1355 memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1356 update_bssid = true;
1357 }
1358
1359 if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1360 reg = le32_to_cpu(conf->mac[1]);
1361 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1362 conf->mac[1] = cpu_to_le32(reg);
1363 }
1364
1365 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1366 conf->mac, sizeof(conf->mac));
1367 }
1368
1369 if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1370 if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1371 reg = le32_to_cpu(conf->bssid[1]);
1372 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1373 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 7);
1374 conf->bssid[1] = cpu_to_le32(reg);
1375 }
1376
1377 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1378 conf->bssid, sizeof(conf->bssid));
1379 }
1380 }
1381 EXPORT_SYMBOL_GPL(rt2800_config_intf);
1382
1383 static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1384 struct rt2x00lib_erp *erp)
1385 {
1386 bool any_sta_nongf = !!(erp->ht_opmode &
1387 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1388 u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1389 u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1390 u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1391 u32 reg;
1392
1393 /* default protection rate for HT20: OFDM 24M */
1394 mm20_rate = gf20_rate = 0x4004;
1395
1396 /* default protection rate for HT40: duplicate OFDM 24M */
1397 mm40_rate = gf40_rate = 0x4084;
1398
1399 switch (protection) {
1400 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1401 /*
1402 * All STAs in this BSS are HT20/40 but there might be
1403 * STAs not supporting greenfield mode.
1404 * => Disable protection for HT transmissions.
1405 */
1406 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1407
1408 break;
1409 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1410 /*
1411 * All STAs in this BSS are HT20 or HT20/40 but there
1412 * might be STAs not supporting greenfield mode.
1413 * => Protect all HT40 transmissions.
1414 */
1415 mm20_mode = gf20_mode = 0;
1416 mm40_mode = gf40_mode = 2;
1417
1418 break;
1419 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1420 /*
1421 * Nonmember protection:
1422 * According to 802.11n we _should_ protect all
1423 * HT transmissions (but we don't have to).
1424 *
1425 * But if cts_protection is enabled we _shall_ protect
1426 * all HT transmissions using a CCK rate.
1427 *
1428 * And if any station is non GF we _shall_ protect
1429 * GF transmissions.
1430 *
1431 * We decide to protect everything
1432 * -> fall through to mixed mode.
1433 */
1434 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1435 /*
1436 * Legacy STAs are present
1437 * => Protect all HT transmissions.
1438 */
1439 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2;
1440
1441 /*
1442 * If erp protection is needed we have to protect HT
1443 * transmissions with CCK 11M long preamble.
1444 */
1445 if (erp->cts_protection) {
1446 /* don't duplicate RTS/CTS in CCK mode */
1447 mm20_rate = mm40_rate = 0x0003;
1448 gf20_rate = gf40_rate = 0x0003;
1449 }
1450 break;
1451 }
1452
1453 /* check for STAs not supporting greenfield mode */
1454 if (any_sta_nongf)
1455 gf20_mode = gf40_mode = 2;
1456
1457 /* Update HT protection config */
1458 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1459 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1460 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1461 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1462
1463 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1464 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1465 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1466 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1467
1468 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1469 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1470 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1471 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1472
1473 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1474 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1475 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1476 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1477 }
1478
1479 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1480 u32 changed)
1481 {
1482 u32 reg;
1483
1484 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1485 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1486 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
1487 !!erp->short_preamble);
1488 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
1489 !!erp->short_preamble);
1490 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1491 }
1492
1493 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1494 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1495 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
1496 erp->cts_protection ? 2 : 0);
1497 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1498 }
1499
1500 if (changed & BSS_CHANGED_BASIC_RATES) {
1501 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1502 erp->basic_rates);
1503 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1504 }
1505
1506 if (changed & BSS_CHANGED_ERP_SLOT) {
1507 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
1508 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME,
1509 erp->slot_time);
1510 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1511
1512 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
1513 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
1514 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1515 }
1516
1517 if (changed & BSS_CHANGED_BEACON_INT) {
1518 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1519 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
1520 erp->beacon_int * 16);
1521 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1522 }
1523
1524 if (changed & BSS_CHANGED_HT)
1525 rt2800_config_ht_opmode(rt2x00dev, erp);
1526 }
1527 EXPORT_SYMBOL_GPL(rt2800_config_erp);
1528
1529 static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1530 {
1531 u32 reg;
1532 u16 eeprom;
1533 u8 led_ctrl, led_g_mode, led_r_mode;
1534
1535 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
1536 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1537 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 1);
1538 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 1);
1539 } else {
1540 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 0);
1541 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 0);
1542 }
1543 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1544
1545 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
1546 led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1547 led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1548 if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1549 led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1550 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1551 led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1552 if (led_ctrl == 0 || led_ctrl > 0x40) {
1553 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, led_g_mode);
1554 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, led_r_mode);
1555 rt2800_register_write(rt2x00dev, LED_CFG, reg);
1556 } else {
1557 rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1558 (led_g_mode << 2) | led_r_mode, 1);
1559 }
1560 }
1561 }
1562
1563 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1564 enum antenna ant)
1565 {
1566 u32 reg;
1567 u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1568 u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1569
1570 if (rt2x00_is_pci(rt2x00dev)) {
1571 rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
1572 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1573 rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1574 } else if (rt2x00_is_usb(rt2x00dev))
1575 rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1576 eesk_pin, 0);
1577
1578 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
1579 rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
1580 rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, gpio_bit3);
1581 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
1582 }
1583
1584 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1585 {
1586 u8 r1;
1587 u8 r3;
1588 u16 eeprom;
1589
1590 rt2800_bbp_read(rt2x00dev, 1, &r1);
1591 rt2800_bbp_read(rt2x00dev, 3, &r3);
1592
1593 if (rt2x00_rt(rt2x00dev, RT3572) &&
1594 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1595 rt2800_config_3572bt_ant(rt2x00dev);
1596
1597 /*
1598 * Configure the TX antenna.
1599 */
1600 switch (ant->tx_chain_num) {
1601 case 1:
1602 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1603 break;
1604 case 2:
1605 if (rt2x00_rt(rt2x00dev, RT3572) &&
1606 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1607 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1608 else
1609 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1610 break;
1611 case 3:
1612 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1613 break;
1614 }
1615
1616 /*
1617 * Configure the RX antenna.
1618 */
1619 switch (ant->rx_chain_num) {
1620 case 1:
1621 if (rt2x00_rt(rt2x00dev, RT3070) ||
1622 rt2x00_rt(rt2x00dev, RT3090) ||
1623 rt2x00_rt(rt2x00dev, RT3352) ||
1624 rt2x00_rt(rt2x00dev, RT3390)) {
1625 rt2x00_eeprom_read(rt2x00dev,
1626 EEPROM_NIC_CONF1, &eeprom);
1627 if (rt2x00_get_field16(eeprom,
1628 EEPROM_NIC_CONF1_ANT_DIVERSITY))
1629 rt2800_set_ant_diversity(rt2x00dev,
1630 rt2x00dev->default_ant.rx);
1631 }
1632 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
1633 break;
1634 case 2:
1635 if (rt2x00_rt(rt2x00dev, RT3572) &&
1636 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1637 rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
1638 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
1639 rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
1640 rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
1641 } else {
1642 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
1643 }
1644 break;
1645 case 3:
1646 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
1647 break;
1648 }
1649
1650 rt2800_bbp_write(rt2x00dev, 3, r3);
1651 rt2800_bbp_write(rt2x00dev, 1, r1);
1652 }
1653 EXPORT_SYMBOL_GPL(rt2800_config_ant);
1654
1655 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
1656 struct rt2x00lib_conf *libconf)
1657 {
1658 u16 eeprom;
1659 short lna_gain;
1660
1661 if (libconf->rf.channel <= 14) {
1662 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1663 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
1664 } else if (libconf->rf.channel <= 64) {
1665 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1666 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
1667 } else if (libconf->rf.channel <= 128) {
1668 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
1669 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
1670 } else {
1671 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
1672 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
1673 }
1674
1675 rt2x00dev->lna_gain = lna_gain;
1676 }
1677
1678 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
1679 struct ieee80211_conf *conf,
1680 struct rf_channel *rf,
1681 struct channel_info *info)
1682 {
1683 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
1684
1685 if (rt2x00dev->default_ant.tx_chain_num == 1)
1686 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
1687
1688 if (rt2x00dev->default_ant.rx_chain_num == 1) {
1689 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
1690 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1691 } else if (rt2x00dev->default_ant.rx_chain_num == 2)
1692 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1693
1694 if (rf->channel > 14) {
1695 /*
1696 * When TX power is below 0, we should increase it by 7 to
1697 * make it a positive value (Minimum value is -7).
1698 * However this means that values between 0 and 7 have
1699 * double meaning, and we should set a 7DBm boost flag.
1700 */
1701 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
1702 (info->default_power1 >= 0));
1703
1704 if (info->default_power1 < 0)
1705 info->default_power1 += 7;
1706
1707 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
1708
1709 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
1710 (info->default_power2 >= 0));
1711
1712 if (info->default_power2 < 0)
1713 info->default_power2 += 7;
1714
1715 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
1716 } else {
1717 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
1718 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
1719 }
1720
1721 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
1722
1723 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1724 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1725 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1726 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1727
1728 udelay(200);
1729
1730 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1731 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1732 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
1733 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1734
1735 udelay(200);
1736
1737 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1738 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1739 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1740 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1741 }
1742
1743 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
1744 struct ieee80211_conf *conf,
1745 struct rf_channel *rf,
1746 struct channel_info *info)
1747 {
1748 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1749 u8 rfcsr, calib_tx, calib_rx;
1750
1751 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1752
1753 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
1754 rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3);
1755 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
1756
1757 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1758 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1759 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1760
1761 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1762 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
1763 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1764
1765 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1766 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
1767 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1768
1769 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1770 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1771 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
1772 rt2x00dev->default_ant.rx_chain_num <= 1);
1773 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD,
1774 rt2x00dev->default_ant.rx_chain_num <= 2);
1775 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1776 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
1777 rt2x00dev->default_ant.tx_chain_num <= 1);
1778 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD,
1779 rt2x00dev->default_ant.tx_chain_num <= 2);
1780 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1781
1782 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1783 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1784 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1785 msleep(1);
1786 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1787 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1788
1789 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1790 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1791 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1792
1793 if (rt2x00_rt(rt2x00dev, RT3390)) {
1794 calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f;
1795 calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f;
1796 } else {
1797 if (conf_is_ht40(conf)) {
1798 calib_tx = drv_data->calibration_bw40;
1799 calib_rx = drv_data->calibration_bw40;
1800 } else {
1801 calib_tx = drv_data->calibration_bw20;
1802 calib_rx = drv_data->calibration_bw20;
1803 }
1804 }
1805
1806 rt2800_rfcsr_read(rt2x00dev, 24, &rfcsr);
1807 rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx);
1808 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr);
1809
1810 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
1811 rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx);
1812 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
1813
1814 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1815 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1816 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1817
1818 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1819 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1820 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1821 msleep(1);
1822 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1823 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1824 }
1825
1826 static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
1827 struct ieee80211_conf *conf,
1828 struct rf_channel *rf,
1829 struct channel_info *info)
1830 {
1831 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1832 u8 rfcsr;
1833 u32 reg;
1834
1835 if (rf->channel <= 14) {
1836 rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
1837 rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
1838 } else {
1839 rt2800_bbp_write(rt2x00dev, 25, 0x09);
1840 rt2800_bbp_write(rt2x00dev, 26, 0xff);
1841 }
1842
1843 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1844 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
1845
1846 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1847 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1848 if (rf->channel <= 14)
1849 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
1850 else
1851 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
1852 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1853
1854 rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr);
1855 if (rf->channel <= 14)
1856 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
1857 else
1858 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
1859 rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
1860
1861 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1862 if (rf->channel <= 14) {
1863 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
1864 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1865 info->default_power1);
1866 } else {
1867 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
1868 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1869 (info->default_power1 & 0x3) |
1870 ((info->default_power1 & 0xC) << 1));
1871 }
1872 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1873
1874 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1875 if (rf->channel <= 14) {
1876 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
1877 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1878 info->default_power2);
1879 } else {
1880 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
1881 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1882 (info->default_power2 & 0x3) |
1883 ((info->default_power2 & 0xC) << 1));
1884 }
1885 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1886
1887 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1888 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1889 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1890 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
1891 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
1892 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
1893 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
1894 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1895 if (rf->channel <= 14) {
1896 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
1897 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
1898 }
1899 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1900 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1901 } else {
1902 switch (rt2x00dev->default_ant.tx_chain_num) {
1903 case 1:
1904 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
1905 case 2:
1906 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1907 break;
1908 }
1909
1910 switch (rt2x00dev->default_ant.rx_chain_num) {
1911 case 1:
1912 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
1913 case 2:
1914 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1915 break;
1916 }
1917 }
1918 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1919
1920 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1921 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1922 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1923
1924 if (conf_is_ht40(conf)) {
1925 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40);
1926 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40);
1927 } else {
1928 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20);
1929 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20);
1930 }
1931
1932 if (rf->channel <= 14) {
1933 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
1934 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
1935 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1936 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
1937 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
1938 rfcsr = 0x4c;
1939 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
1940 drv_data->txmixer_gain_24g);
1941 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
1942 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1943 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
1944 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
1945 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
1946 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
1947 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
1948 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
1949 } else {
1950 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1951 rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1);
1952 rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0);
1953 rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1);
1954 rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0);
1955 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1956 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
1957 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1958 rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
1959 rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
1960 rfcsr = 0x7a;
1961 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
1962 drv_data->txmixer_gain_5g);
1963 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
1964 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1965 if (rf->channel <= 64) {
1966 rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
1967 rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
1968 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
1969 } else if (rf->channel <= 128) {
1970 rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
1971 rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
1972 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1973 } else {
1974 rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
1975 rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
1976 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1977 }
1978 rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
1979 rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
1980 rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
1981 }
1982
1983 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
1984 rt2x00_set_field32(&reg, GPIO_CTRL_DIR7, 0);
1985 if (rf->channel <= 14)
1986 rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 1);
1987 else
1988 rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 0);
1989 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
1990
1991 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1992 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1993 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1994 }
1995
1996 #define POWER_BOUND 0x27
1997 #define POWER_BOUND_5G 0x2b
1998 #define FREQ_OFFSET_BOUND 0x5f
1999
2000 static void rt2800_adjust_freq_offset(struct rt2x00_dev *rt2x00dev)
2001 {
2002 u8 rfcsr;
2003
2004 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
2005 if (rt2x00dev->freq_offset > FREQ_OFFSET_BOUND)
2006 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, FREQ_OFFSET_BOUND);
2007 else
2008 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, rt2x00dev->freq_offset);
2009 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
2010 }
2011
2012 static void rt2800_config_channel_rf3290(struct rt2x00_dev *rt2x00dev,
2013 struct ieee80211_conf *conf,
2014 struct rf_channel *rf,
2015 struct channel_info *info)
2016 {
2017 u8 rfcsr;
2018
2019 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2020 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2021 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2022 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2023 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2024
2025 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2026 if (info->default_power1 > POWER_BOUND)
2027 rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2028 else
2029 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2030 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2031
2032 rt2800_adjust_freq_offset(rt2x00dev);
2033
2034 if (rf->channel <= 14) {
2035 if (rf->channel == 6)
2036 rt2800_bbp_write(rt2x00dev, 68, 0x0c);
2037 else
2038 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
2039
2040 if (rf->channel >= 1 && rf->channel <= 6)
2041 rt2800_bbp_write(rt2x00dev, 59, 0x0f);
2042 else if (rf->channel >= 7 && rf->channel <= 11)
2043 rt2800_bbp_write(rt2x00dev, 59, 0x0e);
2044 else if (rf->channel >= 12 && rf->channel <= 14)
2045 rt2800_bbp_write(rt2x00dev, 59, 0x0d);
2046 }
2047 }
2048
2049 static void rt2800_config_channel_rf3322(struct rt2x00_dev *rt2x00dev,
2050 struct ieee80211_conf *conf,
2051 struct rf_channel *rf,
2052 struct channel_info *info)
2053 {
2054 u8 rfcsr;
2055
2056 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2057 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2058
2059 rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
2060 rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
2061 rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
2062
2063 if (info->default_power1 > POWER_BOUND)
2064 rt2800_rfcsr_write(rt2x00dev, 47, POWER_BOUND);
2065 else
2066 rt2800_rfcsr_write(rt2x00dev, 47, info->default_power1);
2067
2068 if (info->default_power2 > POWER_BOUND)
2069 rt2800_rfcsr_write(rt2x00dev, 48, POWER_BOUND);
2070 else
2071 rt2800_rfcsr_write(rt2x00dev, 48, info->default_power2);
2072
2073 rt2800_adjust_freq_offset(rt2x00dev);
2074
2075 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2076 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2077 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2078
2079 if ( rt2x00dev->default_ant.tx_chain_num == 2 )
2080 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2081 else
2082 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2083
2084 if ( rt2x00dev->default_ant.rx_chain_num == 2 )
2085 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2086 else
2087 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2088
2089 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2090 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2091
2092 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2093
2094 rt2800_rfcsr_write(rt2x00dev, 31, 80);
2095 }
2096
2097 static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
2098 struct ieee80211_conf *conf,
2099 struct rf_channel *rf,
2100 struct channel_info *info)
2101 {
2102 u8 rfcsr;
2103
2104 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2105 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2106 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2107 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2108 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2109
2110 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2111 if (info->default_power1 > POWER_BOUND)
2112 rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2113 else
2114 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2115 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2116
2117 if (rt2x00_rt(rt2x00dev, RT5392)) {
2118 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2119 if (info->default_power1 > POWER_BOUND)
2120 rt2x00_set_field8(&rfcsr, RFCSR50_TX, POWER_BOUND);
2121 else
2122 rt2x00_set_field8(&rfcsr, RFCSR50_TX,
2123 info->default_power2);
2124 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2125 }
2126
2127 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2128 if (rt2x00_rt(rt2x00dev, RT5392)) {
2129 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2130 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2131 }
2132 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2133 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2134 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2135 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2136 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2137
2138 rt2800_adjust_freq_offset(rt2x00dev);
2139
2140 if (rf->channel <= 14) {
2141 int idx = rf->channel-1;
2142
2143 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
2144 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2145 /* r55/r59 value array of channel 1~14 */
2146 static const char r55_bt_rev[] = {0x83, 0x83,
2147 0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
2148 0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
2149 static const char r59_bt_rev[] = {0x0e, 0x0e,
2150 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
2151 0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
2152
2153 rt2800_rfcsr_write(rt2x00dev, 55,
2154 r55_bt_rev[idx]);
2155 rt2800_rfcsr_write(rt2x00dev, 59,
2156 r59_bt_rev[idx]);
2157 } else {
2158 static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
2159 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
2160 0x88, 0x88, 0x86, 0x85, 0x84};
2161
2162 rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
2163 }
2164 } else {
2165 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2166 static const char r55_nonbt_rev[] = {0x23, 0x23,
2167 0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
2168 0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
2169 static const char r59_nonbt_rev[] = {0x07, 0x07,
2170 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
2171 0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
2172
2173 rt2800_rfcsr_write(rt2x00dev, 55,
2174 r55_nonbt_rev[idx]);
2175 rt2800_rfcsr_write(rt2x00dev, 59,
2176 r59_nonbt_rev[idx]);
2177 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
2178 rt2x00_rt(rt2x00dev, RT5392)) {
2179 static const char r59_non_bt[] = {0x8f, 0x8f,
2180 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
2181 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
2182
2183 rt2800_rfcsr_write(rt2x00dev, 59,
2184 r59_non_bt[idx]);
2185 }
2186 }
2187 }
2188 }
2189
2190 static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev,
2191 struct ieee80211_conf *conf,
2192 struct rf_channel *rf,
2193 struct channel_info *info)
2194 {
2195 u8 rfcsr, ep_reg;
2196 u32 reg;
2197 int power_bound;
2198
2199 /* TODO */
2200 const bool is_11b = false;
2201 const bool is_type_ep = false;
2202
2203 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
2204 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL,
2205 (rf->channel > 14 || conf_is_ht40(conf)) ? 5 : 0);
2206 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
2207
2208 /* Order of values on rf_channel entry: N, K, mod, R */
2209 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1 & 0xff);
2210
2211 rt2800_rfcsr_read(rt2x00dev, 9, &rfcsr);
2212 rt2x00_set_field8(&rfcsr, RFCSR9_K, rf->rf2 & 0xf);
2213 rt2x00_set_field8(&rfcsr, RFCSR9_N, (rf->rf1 & 0x100) >> 8);
2214 rt2x00_set_field8(&rfcsr, RFCSR9_MOD, ((rf->rf3 - 8) & 0x4) >> 2);
2215 rt2800_rfcsr_write(rt2x00dev, 9, rfcsr);
2216
2217 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2218 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf4 - 1);
2219 rt2x00_set_field8(&rfcsr, RFCSR11_MOD, (rf->rf3 - 8) & 0x3);
2220 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2221
2222 if (rf->channel <= 14) {
2223 rt2800_rfcsr_write(rt2x00dev, 10, 0x90);
2224 /* FIXME: RF11 owerwrite ? */
2225 rt2800_rfcsr_write(rt2x00dev, 11, 0x4A);
2226 rt2800_rfcsr_write(rt2x00dev, 12, 0x52);
2227 rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2228 rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2229 rt2800_rfcsr_write(rt2x00dev, 24, 0x4A);
2230 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
2231 rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2232 rt2800_rfcsr_write(rt2x00dev, 36, 0x80);
2233 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
2234 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
2235 rt2800_rfcsr_write(rt2x00dev, 39, 0x1B);
2236 rt2800_rfcsr_write(rt2x00dev, 40, 0x0D);
2237 rt2800_rfcsr_write(rt2x00dev, 41, 0x9B);
2238 rt2800_rfcsr_write(rt2x00dev, 42, 0xD5);
2239 rt2800_rfcsr_write(rt2x00dev, 43, 0x72);
2240 rt2800_rfcsr_write(rt2x00dev, 44, 0x0E);
2241 rt2800_rfcsr_write(rt2x00dev, 45, 0xA2);
2242 rt2800_rfcsr_write(rt2x00dev, 46, 0x6B);
2243 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
2244 rt2800_rfcsr_write(rt2x00dev, 51, 0x3E);
2245 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
2246 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
2247 rt2800_rfcsr_write(rt2x00dev, 56, 0xA1);
2248 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
2249 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
2250 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
2251 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
2252 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
2253
2254 /* TODO RF27 <- tssi */
2255
2256 rfcsr = rf->channel <= 10 ? 0x07 : 0x06;
2257 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2258 rt2800_rfcsr_write(rt2x00dev, 59, rfcsr);
2259
2260 if (is_11b) {
2261 /* CCK */
2262 rt2800_rfcsr_write(rt2x00dev, 31, 0xF8);
2263 rt2800_rfcsr_write(rt2x00dev, 32, 0xC0);
2264 if (is_type_ep)
2265 rt2800_rfcsr_write(rt2x00dev, 55, 0x06);
2266 else
2267 rt2800_rfcsr_write(rt2x00dev, 55, 0x47);
2268 } else {
2269 /* OFDM */
2270 if (is_type_ep)
2271 rt2800_rfcsr_write(rt2x00dev, 55, 0x03);
2272 else
2273 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
2274 }
2275
2276 power_bound = POWER_BOUND;
2277 ep_reg = 0x2;
2278 } else {
2279 rt2800_rfcsr_write(rt2x00dev, 10, 0x97);
2280 /* FIMXE: RF11 overwrite */
2281 rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
2282 rt2800_rfcsr_write(rt2x00dev, 25, 0xBF);
2283 rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2284 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
2285 rt2800_rfcsr_write(rt2x00dev, 37, 0x04);
2286 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
2287 rt2800_rfcsr_write(rt2x00dev, 40, 0x42);
2288 rt2800_rfcsr_write(rt2x00dev, 41, 0xBB);
2289 rt2800_rfcsr_write(rt2x00dev, 42, 0xD7);
2290 rt2800_rfcsr_write(rt2x00dev, 45, 0x41);
2291 rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
2292 rt2800_rfcsr_write(rt2x00dev, 57, 0x77);
2293 rt2800_rfcsr_write(rt2x00dev, 60, 0x05);
2294 rt2800_rfcsr_write(rt2x00dev, 61, 0x01);
2295
2296 /* TODO RF27 <- tssi */
2297
2298 if (rf->channel >= 36 && rf->channel <= 64) {
2299
2300 rt2800_rfcsr_write(rt2x00dev, 12, 0x2E);
2301 rt2800_rfcsr_write(rt2x00dev, 13, 0x22);
2302 rt2800_rfcsr_write(rt2x00dev, 22, 0x60);
2303 rt2800_rfcsr_write(rt2x00dev, 23, 0x7F);
2304 if (rf->channel <= 50)
2305 rt2800_rfcsr_write(rt2x00dev, 24, 0x09);
2306 else if (rf->channel >= 52)
2307 rt2800_rfcsr_write(rt2x00dev, 24, 0x07);
2308 rt2800_rfcsr_write(rt2x00dev, 39, 0x1C);
2309 rt2800_rfcsr_write(rt2x00dev, 43, 0x5B);
2310 rt2800_rfcsr_write(rt2x00dev, 44, 0X40);
2311 rt2800_rfcsr_write(rt2x00dev, 46, 0X00);
2312 rt2800_rfcsr_write(rt2x00dev, 51, 0xFE);
2313 rt2800_rfcsr_write(rt2x00dev, 52, 0x0C);
2314 rt2800_rfcsr_write(rt2x00dev, 54, 0xF8);
2315 if (rf->channel <= 50) {
2316 rt2800_rfcsr_write(rt2x00dev, 55, 0x06),
2317 rt2800_rfcsr_write(rt2x00dev, 56, 0xD3);
2318 } else if (rf->channel >= 52) {
2319 rt2800_rfcsr_write(rt2x00dev, 55, 0x04);
2320 rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
2321 }
2322
2323 rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
2324 rt2800_rfcsr_write(rt2x00dev, 59, 0x7F);
2325 rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
2326
2327 } else if (rf->channel >= 100 && rf->channel <= 165) {
2328
2329 rt2800_rfcsr_write(rt2x00dev, 12, 0x0E);
2330 rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2331 rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2332 if (rf->channel <= 153) {
2333 rt2800_rfcsr_write(rt2x00dev, 23, 0x3C);
2334 rt2800_rfcsr_write(rt2x00dev, 24, 0x06);
2335 } else if (rf->channel >= 155) {
2336 rt2800_rfcsr_write(rt2x00dev, 23, 0x38);
2337 rt2800_rfcsr_write(rt2x00dev, 24, 0x05);
2338 }
2339 if (rf->channel <= 138) {
2340 rt2800_rfcsr_write(rt2x00dev, 39, 0x1A);
2341 rt2800_rfcsr_write(rt2x00dev, 43, 0x3B);
2342 rt2800_rfcsr_write(rt2x00dev, 44, 0x20);
2343 rt2800_rfcsr_write(rt2x00dev, 46, 0x18);
2344 } else if (rf->channel >= 140) {
2345 rt2800_rfcsr_write(rt2x00dev, 39, 0x18);
2346 rt2800_rfcsr_write(rt2x00dev, 43, 0x1B);
2347 rt2800_rfcsr_write(rt2x00dev, 44, 0x10);
2348 rt2800_rfcsr_write(rt2x00dev, 46, 0X08);
2349 }
2350 if (rf->channel <= 124)
2351 rt2800_rfcsr_write(rt2x00dev, 51, 0xFC);
2352 else if (rf->channel >= 126)
2353 rt2800_rfcsr_write(rt2x00dev, 51, 0xEC);
2354 if (rf->channel <= 138)
2355 rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
2356 else if (rf->channel >= 140)
2357 rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
2358 rt2800_rfcsr_write(rt2x00dev, 54, 0xEB);
2359 if (rf->channel <= 138)
2360 rt2800_rfcsr_write(rt2x00dev, 55, 0x01);
2361 else if (rf->channel >= 140)
2362 rt2800_rfcsr_write(rt2x00dev, 55, 0x00);
2363 if (rf->channel <= 128)
2364 rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
2365 else if (rf->channel >= 130)
2366 rt2800_rfcsr_write(rt2x00dev, 56, 0xAB);
2367 if (rf->channel <= 116)
2368 rt2800_rfcsr_write(rt2x00dev, 58, 0x1D);
2369 else if (rf->channel >= 118)
2370 rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
2371 if (rf->channel <= 138)
2372 rt2800_rfcsr_write(rt2x00dev, 59, 0x3F);
2373 else if (rf->channel >= 140)
2374 rt2800_rfcsr_write(rt2x00dev, 59, 0x7C);
2375 if (rf->channel <= 116)
2376 rt2800_rfcsr_write(rt2x00dev, 62, 0x1D);
2377 else if (rf->channel >= 118)
2378 rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
2379 }
2380
2381 power_bound = POWER_BOUND_5G;
2382 ep_reg = 0x3;
2383 }
2384
2385 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2386 if (info->default_power1 > power_bound)
2387 rt2x00_set_field8(&rfcsr, RFCSR49_TX, power_bound);
2388 else
2389 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2390 if (is_type_ep)
2391 rt2x00_set_field8(&rfcsr, RFCSR49_EP, ep_reg);
2392 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2393
2394 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2395 if (info->default_power2 > power_bound)
2396 rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound);
2397 else
2398 rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2);
2399 if (is_type_ep)
2400 rt2x00_set_field8(&rfcsr, RFCSR50_EP, ep_reg);
2401 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2402
2403 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2404 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2405 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2406
2407 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD,
2408 rt2x00dev->default_ant.tx_chain_num >= 1);
2409 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
2410 rt2x00dev->default_ant.tx_chain_num == 2);
2411 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2412
2413 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD,
2414 rt2x00dev->default_ant.rx_chain_num >= 1);
2415 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
2416 rt2x00dev->default_ant.rx_chain_num == 2);
2417 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2418
2419 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2420 rt2800_rfcsr_write(rt2x00dev, 6, 0xe4);
2421
2422 if (conf_is_ht40(conf))
2423 rt2800_rfcsr_write(rt2x00dev, 30, 0x16);
2424 else
2425 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
2426
2427 if (!is_11b) {
2428 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
2429 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
2430 }
2431
2432 /* TODO proper frequency adjustment */
2433 rt2800_adjust_freq_offset(rt2x00dev);
2434
2435 /* TODO merge with others */
2436 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2437 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2438 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2439
2440 /* BBP settings */
2441 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
2442 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
2443 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
2444
2445 rt2800_bbp_write(rt2x00dev, 79, (rf->channel <= 14) ? 0x1C : 0x18);
2446 rt2800_bbp_write(rt2x00dev, 80, (rf->channel <= 14) ? 0x0E : 0x08);
2447 rt2800_bbp_write(rt2x00dev, 81, (rf->channel <= 14) ? 0x3A : 0x38);
2448 rt2800_bbp_write(rt2x00dev, 82, (rf->channel <= 14) ? 0x62 : 0x92);
2449
2450 /* GLRT band configuration */
2451 rt2800_bbp_write(rt2x00dev, 195, 128);
2452 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0xE0 : 0xF0);
2453 rt2800_bbp_write(rt2x00dev, 195, 129);
2454 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x1F : 0x1E);
2455 rt2800_bbp_write(rt2x00dev, 195, 130);
2456 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x38 : 0x28);
2457 rt2800_bbp_write(rt2x00dev, 195, 131);
2458 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x32 : 0x20);
2459 rt2800_bbp_write(rt2x00dev, 195, 133);
2460 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x28 : 0x7F);
2461 rt2800_bbp_write(rt2x00dev, 195, 124);
2462 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F);
2463 }
2464
2465 static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev,
2466 const unsigned int word,
2467 const u8 value)
2468 {
2469 u8 chain, reg;
2470
2471 for (chain = 0; chain < rt2x00dev->default_ant.rx_chain_num; chain++) {
2472 rt2800_bbp_read(rt2x00dev, 27, &reg);
2473 rt2x00_set_field8(&reg, BBP27_RX_CHAIN_SEL, chain);
2474 rt2800_bbp_write(rt2x00dev, 27, reg);
2475
2476 rt2800_bbp_write(rt2x00dev, word, value);
2477 }
2478 }
2479
2480 static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
2481 {
2482 u8 cal;
2483
2484 /* TX0 IQ Gain */
2485 rt2800_bbp_write(rt2x00dev, 158, 0x2c);
2486 if (channel <= 14)
2487 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_2G);
2488 else if (channel >= 36 && channel <= 64)
2489 cal = rt2x00_eeprom_byte(rt2x00dev,
2490 EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5G);
2491 else if (channel >= 100 && channel <= 138)
2492 cal = rt2x00_eeprom_byte(rt2x00dev,
2493 EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5G);
2494 else if (channel >= 140 && channel <= 165)
2495 cal = rt2x00_eeprom_byte(rt2x00dev,
2496 EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5G);
2497 else
2498 cal = 0;
2499 rt2800_bbp_write(rt2x00dev, 159, cal);
2500
2501 /* TX0 IQ Phase */
2502 rt2800_bbp_write(rt2x00dev, 158, 0x2d);
2503 if (channel <= 14)
2504 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_2G);
2505 else if (channel >= 36 && channel <= 64)
2506 cal = rt2x00_eeprom_byte(rt2x00dev,
2507 EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5G);
2508 else if (channel >= 100 && channel <= 138)
2509 cal = rt2x00_eeprom_byte(rt2x00dev,
2510 EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5G);
2511 else if (channel >= 140 && channel <= 165)
2512 cal = rt2x00_eeprom_byte(rt2x00dev,
2513 EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5G);
2514 else
2515 cal = 0;
2516 rt2800_bbp_write(rt2x00dev, 159, cal);
2517
2518 /* TX1 IQ Gain */
2519 rt2800_bbp_write(rt2x00dev, 158, 0x4a);
2520 if (channel <= 14)
2521 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_2G);
2522 else if (channel >= 36 && channel <= 64)
2523 cal = rt2x00_eeprom_byte(rt2x00dev,
2524 EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5G);
2525 else if (channel >= 100 && channel <= 138)
2526 cal = rt2x00_eeprom_byte(rt2x00dev,
2527 EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5G);
2528 else if (channel >= 140 && channel <= 165)
2529 cal = rt2x00_eeprom_byte(rt2x00dev,
2530 EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5G);
2531 else
2532 cal = 0;
2533 rt2800_bbp_write(rt2x00dev, 159, cal);
2534
2535 /* TX1 IQ Phase */
2536 rt2800_bbp_write(rt2x00dev, 158, 0x4b);
2537 if (channel <= 14)
2538 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_2G);
2539 else if (channel >= 36 && channel <= 64)
2540 cal = rt2x00_eeprom_byte(rt2x00dev,
2541 EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5G);
2542 else if (channel >= 100 && channel <= 138)
2543 cal = rt2x00_eeprom_byte(rt2x00dev,
2544 EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5G);
2545 else if (channel >= 140 && channel <= 165)
2546 cal = rt2x00_eeprom_byte(rt2x00dev,
2547 EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5G);
2548 else
2549 cal = 0;
2550 rt2800_bbp_write(rt2x00dev, 159, cal);
2551
2552 /* FIXME: possible RX0, RX1 callibration ? */
2553
2554 /* RF IQ compensation control */
2555 rt2800_bbp_write(rt2x00dev, 158, 0x04);
2556 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_COMPENSATION_CONTROL);
2557 rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
2558
2559 /* RF IQ imbalance compensation control */
2560 rt2800_bbp_write(rt2x00dev, 158, 0x03);
2561 cal = rt2x00_eeprom_byte(rt2x00dev,
2562 EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CONTROL);
2563 rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
2564 }
2565
2566 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
2567 struct ieee80211_conf *conf,
2568 struct rf_channel *rf,
2569 struct channel_info *info)
2570 {
2571 u32 reg;
2572 unsigned int tx_pin;
2573 u8 bbp, rfcsr;
2574
2575 if (rf->channel <= 14) {
2576 info->default_power1 = TXPOWER_G_TO_DEV(info->default_power1);
2577 info->default_power2 = TXPOWER_G_TO_DEV(info->default_power2);
2578 } else {
2579 info->default_power1 = TXPOWER_A_TO_DEV(info->default_power1);
2580 info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2);
2581 }
2582
2583 switch (rt2x00dev->chip.rf) {
2584 case RF2020:
2585 case RF3020:
2586 case RF3021:
2587 case RF3022:
2588 case RF3320:
2589 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
2590 break;
2591 case RF3052:
2592 rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
2593 break;
2594 case RF3290:
2595 rt2800_config_channel_rf3290(rt2x00dev, conf, rf, info);
2596 break;
2597 case RF3322:
2598 rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info);
2599 break;
2600 case RF5360:
2601 case RF5370:
2602 case RF5372:
2603 case RF5390:
2604 case RF5392:
2605 rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
2606 break;
2607 case RF5592:
2608 rt2800_config_channel_rf55xx(rt2x00dev, conf, rf, info);
2609 break;
2610 default:
2611 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
2612 }
2613
2614 if (rt2x00_rf(rt2x00dev, RF3290) ||
2615 rt2x00_rf(rt2x00dev, RF3322) ||
2616 rt2x00_rf(rt2x00dev, RF5360) ||
2617 rt2x00_rf(rt2x00dev, RF5370) ||
2618 rt2x00_rf(rt2x00dev, RF5372) ||
2619 rt2x00_rf(rt2x00dev, RF5390) ||
2620 rt2x00_rf(rt2x00dev, RF5392)) {
2621 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2622 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, 0);
2623 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, 0);
2624 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2625
2626 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2627 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2628 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2629 }
2630
2631 /*
2632 * Change BBP settings
2633 */
2634 if (rt2x00_rt(rt2x00dev, RT3352)) {
2635 rt2800_bbp_write(rt2x00dev, 27, 0x0);
2636 rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
2637 rt2800_bbp_write(rt2x00dev, 27, 0x20);
2638 rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
2639 } else {
2640 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
2641 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
2642 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
2643 rt2800_bbp_write(rt2x00dev, 86, 0);
2644 }
2645
2646 if (rf->channel <= 14) {
2647 if (!rt2x00_rt(rt2x00dev, RT5390) &&
2648 !rt2x00_rt(rt2x00dev, RT5392)) {
2649 if (test_bit(CAPABILITY_EXTERNAL_LNA_BG,
2650 &rt2x00dev->cap_flags)) {
2651 rt2800_bbp_write(rt2x00dev, 82, 0x62);
2652 rt2800_bbp_write(rt2x00dev, 75, 0x46);
2653 } else {
2654 rt2800_bbp_write(rt2x00dev, 82, 0x84);
2655 rt2800_bbp_write(rt2x00dev, 75, 0x50);
2656 }
2657 }
2658 } else {
2659 if (rt2x00_rt(rt2x00dev, RT3572))
2660 rt2800_bbp_write(rt2x00dev, 82, 0x94);
2661 else
2662 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
2663
2664 if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags))
2665 rt2800_bbp_write(rt2x00dev, 75, 0x46);
2666 else
2667 rt2800_bbp_write(rt2x00dev, 75, 0x50);
2668 }
2669
2670 rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
2671 rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
2672 rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
2673 rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
2674 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
2675
2676 if (rt2x00_rt(rt2x00dev, RT3572))
2677 rt2800_rfcsr_write(rt2x00dev, 8, 0);
2678
2679 tx_pin = 0;
2680
2681 switch (rt2x00dev->default_ant.tx_chain_num) {
2682 case 3:
2683 /* Turn on tertiary PAs */
2684 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN,
2685 rf->channel > 14);
2686 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN,
2687 rf->channel <= 14);
2688 /* fall-through */
2689 case 2:
2690 /* Turn on secondary PAs */
2691 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
2692 rf->channel > 14);
2693 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
2694 rf->channel <= 14);
2695 /* fall-through */
2696 case 1:
2697 /* Turn on primary PAs */
2698 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN,
2699 rf->channel > 14);
2700 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
2701 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
2702 else
2703 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
2704 rf->channel <= 14);
2705 break;
2706 }
2707
2708 switch (rt2x00dev->default_ant.rx_chain_num) {
2709 case 3:
2710 /* Turn on tertiary LNAs */
2711 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
2712 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
2713 /* fall-through */
2714 case 2:
2715 /* Turn on secondary LNAs */
2716 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
2717 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
2718 /* fall-through */
2719 case 1:
2720 /* Turn on primary LNAs */
2721 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
2722 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
2723 break;
2724 }
2725
2726 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
2727 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
2728
2729 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
2730
2731 if (rt2x00_rt(rt2x00dev, RT3572))
2732 rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
2733
2734 if (rt2x00_rt(rt2x00dev, RT5592)) {
2735 rt2800_bbp_write(rt2x00dev, 195, 141);
2736 rt2800_bbp_write(rt2x00dev, 196, conf_is_ht40(conf) ? 0x10 : 0x1a);
2737
2738 /* AGC init */
2739 reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2 * rt2x00dev->lna_gain;
2740 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
2741
2742 rt2800_iq_calibrate(rt2x00dev, rf->channel);
2743 }
2744
2745 rt2800_bbp_read(rt2x00dev, 4, &bbp);
2746 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
2747 rt2800_bbp_write(rt2x00dev, 4, bbp);
2748
2749 rt2800_bbp_read(rt2x00dev, 3, &bbp);
2750 rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
2751 rt2800_bbp_write(rt2x00dev, 3, bbp);
2752
2753 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
2754 if (conf_is_ht40(conf)) {
2755 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
2756 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
2757 rt2800_bbp_write(rt2x00dev, 73, 0x16);
2758 } else {
2759 rt2800_bbp_write(rt2x00dev, 69, 0x16);
2760 rt2800_bbp_write(rt2x00dev, 70, 0x08);
2761 rt2800_bbp_write(rt2x00dev, 73, 0x11);
2762 }
2763 }
2764
2765 msleep(1);
2766
2767 /*
2768 * Clear channel statistic counters
2769 */
2770 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &reg);
2771 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &reg);
2772 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &reg);
2773
2774 /*
2775 * Clear update flag
2776 */
2777 if (rt2x00_rt(rt2x00dev, RT3352)) {
2778 rt2800_bbp_read(rt2x00dev, 49, &bbp);
2779 rt2x00_set_field8(&bbp, BBP49_UPDATE_FLAG, 0);
2780 rt2800_bbp_write(rt2x00dev, 49, bbp);
2781 }
2782 }
2783
2784 static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
2785 {
2786 u8 tssi_bounds[9];
2787 u8 current_tssi;
2788 u16 eeprom;
2789 u8 step;
2790 int i;
2791
2792 /*
2793 * Read TSSI boundaries for temperature compensation from
2794 * the EEPROM.
2795 *
2796 * Array idx 0 1 2 3 4 5 6 7 8
2797 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4
2798 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
2799 */
2800 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2801 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1, &eeprom);
2802 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2803 EEPROM_TSSI_BOUND_BG1_MINUS4);
2804 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2805 EEPROM_TSSI_BOUND_BG1_MINUS3);
2806
2807 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2, &eeprom);
2808 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2809 EEPROM_TSSI_BOUND_BG2_MINUS2);
2810 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2811 EEPROM_TSSI_BOUND_BG2_MINUS1);
2812
2813 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3, &eeprom);
2814 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2815 EEPROM_TSSI_BOUND_BG3_REF);
2816 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2817 EEPROM_TSSI_BOUND_BG3_PLUS1);
2818
2819 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4, &eeprom);
2820 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2821 EEPROM_TSSI_BOUND_BG4_PLUS2);
2822 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2823 EEPROM_TSSI_BOUND_BG4_PLUS3);
2824
2825 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5, &eeprom);
2826 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2827 EEPROM_TSSI_BOUND_BG5_PLUS4);
2828
2829 step = rt2x00_get_field16(eeprom,
2830 EEPROM_TSSI_BOUND_BG5_AGC_STEP);
2831 } else {
2832 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1, &eeprom);
2833 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2834 EEPROM_TSSI_BOUND_A1_MINUS4);
2835 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2836 EEPROM_TSSI_BOUND_A1_MINUS3);
2837
2838 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2, &eeprom);
2839 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2840 EEPROM_TSSI_BOUND_A2_MINUS2);
2841 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2842 EEPROM_TSSI_BOUND_A2_MINUS1);
2843
2844 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3, &eeprom);
2845 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2846 EEPROM_TSSI_BOUND_A3_REF);
2847 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2848 EEPROM_TSSI_BOUND_A3_PLUS1);
2849
2850 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4, &eeprom);
2851 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2852 EEPROM_TSSI_BOUND_A4_PLUS2);
2853 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2854 EEPROM_TSSI_BOUND_A4_PLUS3);
2855
2856 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5, &eeprom);
2857 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2858 EEPROM_TSSI_BOUND_A5_PLUS4);
2859
2860 step = rt2x00_get_field16(eeprom,
2861 EEPROM_TSSI_BOUND_A5_AGC_STEP);
2862 }
2863
2864 /*
2865 * Check if temperature compensation is supported.
2866 */
2867 if (tssi_bounds[4] == 0xff || step == 0xff)
2868 return 0;
2869
2870 /*
2871 * Read current TSSI (BBP 49).
2872 */
2873 rt2800_bbp_read(rt2x00dev, 49, &current_tssi);
2874
2875 /*
2876 * Compare TSSI value (BBP49) with the compensation boundaries
2877 * from the EEPROM and increase or decrease tx power.
2878 */
2879 for (i = 0; i <= 3; i++) {
2880 if (current_tssi > tssi_bounds[i])
2881 break;
2882 }
2883
2884 if (i == 4) {
2885 for (i = 8; i >= 5; i--) {
2886 if (current_tssi < tssi_bounds[i])
2887 break;
2888 }
2889 }
2890
2891 return (i - 4) * step;
2892 }
2893
2894 static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
2895 enum ieee80211_band band)
2896 {
2897 u16 eeprom;
2898 u8 comp_en;
2899 u8 comp_type;
2900 int comp_value = 0;
2901
2902 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom);
2903
2904 /*
2905 * HT40 compensation not required.
2906 */
2907 if (eeprom == 0xffff ||
2908 !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2909 return 0;
2910
2911 if (band == IEEE80211_BAND_2GHZ) {
2912 comp_en = rt2x00_get_field16(eeprom,
2913 EEPROM_TXPOWER_DELTA_ENABLE_2G);
2914 if (comp_en) {
2915 comp_type = rt2x00_get_field16(eeprom,
2916 EEPROM_TXPOWER_DELTA_TYPE_2G);
2917 comp_value = rt2x00_get_field16(eeprom,
2918 EEPROM_TXPOWER_DELTA_VALUE_2G);
2919 if (!comp_type)
2920 comp_value = -comp_value;
2921 }
2922 } else {
2923 comp_en = rt2x00_get_field16(eeprom,
2924 EEPROM_TXPOWER_DELTA_ENABLE_5G);
2925 if (comp_en) {
2926 comp_type = rt2x00_get_field16(eeprom,
2927 EEPROM_TXPOWER_DELTA_TYPE_5G);
2928 comp_value = rt2x00_get_field16(eeprom,
2929 EEPROM_TXPOWER_DELTA_VALUE_5G);
2930 if (!comp_type)
2931 comp_value = -comp_value;
2932 }
2933 }
2934
2935 return comp_value;
2936 }
2937
2938 static int rt2800_get_txpower_reg_delta(struct rt2x00_dev *rt2x00dev,
2939 int power_level, int max_power)
2940 {
2941 int delta;
2942
2943 if (test_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags))
2944 return 0;
2945
2946 /*
2947 * XXX: We don't know the maximum transmit power of our hardware since
2948 * the EEPROM doesn't expose it. We only know that we are calibrated
2949 * to 100% tx power.
2950 *
2951 * Hence, we assume the regulatory limit that cfg80211 calulated for
2952 * the current channel is our maximum and if we are requested to lower
2953 * the value we just reduce our tx power accordingly.
2954 */
2955 delta = power_level - max_power;
2956 return min(delta, 0);
2957 }
2958
2959 static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
2960 enum ieee80211_band band, int power_level,
2961 u8 txpower, int delta)
2962 {
2963 u16 eeprom;
2964 u8 criterion;
2965 u8 eirp_txpower;
2966 u8 eirp_txpower_criterion;
2967 u8 reg_limit;
2968
2969 if (test_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags)) {
2970 /*
2971 * Check if eirp txpower exceed txpower_limit.
2972 * We use OFDM 6M as criterion and its eirp txpower
2973 * is stored at EEPROM_EIRP_MAX_TX_POWER.
2974 * .11b data rate need add additional 4dbm
2975 * when calculating eirp txpower.
2976 */
2977 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + 1,
2978 &eeprom);
2979 criterion = rt2x00_get_field16(eeprom,
2980 EEPROM_TXPOWER_BYRATE_RATE0);
2981
2982 rt2x00_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER,
2983 &eeprom);
2984
2985 if (band == IEEE80211_BAND_2GHZ)
2986 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2987 EEPROM_EIRP_MAX_TX_POWER_2GHZ);
2988 else
2989 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2990 EEPROM_EIRP_MAX_TX_POWER_5GHZ);
2991
2992 eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
2993 (is_rate_b ? 4 : 0) + delta;
2994
2995 reg_limit = (eirp_txpower > power_level) ?
2996 (eirp_txpower - power_level) : 0;
2997 } else
2998 reg_limit = 0;
2999
3000 txpower = max(0, txpower + delta - reg_limit);
3001 return min_t(u8, txpower, 0xc);
3002 }
3003
3004 /*
3005 * We configure transmit power using MAC TX_PWR_CFG_{0,...,N} registers and
3006 * BBP R1 register. TX_PWR_CFG_X allow to configure per rate TX power values,
3007 * 4 bits for each rate (tune from 0 to 15 dBm). BBP_R1 controls transmit power
3008 * for all rates, but allow to set only 4 discrete values: -12, -6, 0 and 6 dBm.
3009 * Reference per rate transmit power values are located in the EEPROM at
3010 * EEPROM_TXPOWER_BYRATE offset. We adjust them and BBP R1 settings according to
3011 * current conditions (i.e. band, bandwidth, temperature, user settings).
3012 */
3013 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
3014 struct ieee80211_channel *chan,
3015 int power_level)
3016 {
3017 u8 txpower, r1;
3018 u16 eeprom;
3019 u32 reg, offset;
3020 int i, is_rate_b, delta, power_ctrl;
3021 enum ieee80211_band band = chan->band;
3022
3023 /*
3024 * Calculate HT40 compensation. For 40MHz we need to add or subtract
3025 * value read from EEPROM (different for 2GHz and for 5GHz).
3026 */
3027 delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
3028
3029 /*
3030 * Calculate temperature compensation. Depends on measurement of current
3031 * TSSI (Transmitter Signal Strength Indication) we know TX power (due
3032 * to temperature or maybe other factors) is smaller or bigger than
3033 * expected. We adjust it, based on TSSI reference and boundaries values
3034 * provided in EEPROM.
3035 */
3036 delta += rt2800_get_gain_calibration_delta(rt2x00dev);
3037
3038 /*
3039 * Decrease power according to user settings, on devices with unknown
3040 * maximum tx power. For other devices we take user power_level into
3041 * consideration on rt2800_compensate_txpower().
3042 */
3043 delta += rt2800_get_txpower_reg_delta(rt2x00dev, power_level,
3044 chan->max_power);
3045
3046 /*
3047 * BBP_R1 controls TX power for all rates, it allow to set the following
3048 * gains -12, -6, 0, +6 dBm by setting values 2, 1, 0, 3 respectively.
3049 *
3050 * TODO: we do not use +6 dBm option to do not increase power beyond
3051 * regulatory limit, however this could be utilized for devices with
3052 * CAPABILITY_POWER_LIMIT.
3053 *
3054 * TODO: add different temperature compensation code for RT3290 & RT5390
3055 * to allow to use BBP_R1 for those chips.
3056 */
3057 if (!rt2x00_rt(rt2x00dev, RT3290) &&
3058 !rt2x00_rt(rt2x00dev, RT5390)) {
3059 rt2800_bbp_read(rt2x00dev, 1, &r1);
3060 if (delta <= -12) {
3061 power_ctrl = 2;
3062 delta += 12;
3063 } else if (delta <= -6) {
3064 power_ctrl = 1;
3065 delta += 6;
3066 } else {
3067 power_ctrl = 0;
3068 }
3069 rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, power_ctrl);
3070 rt2800_bbp_write(rt2x00dev, 1, r1);
3071 }
3072
3073 offset = TX_PWR_CFG_0;
3074
3075 for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
3076 /* just to be safe */
3077 if (offset > TX_PWR_CFG_4)
3078 break;
3079
3080 rt2800_register_read(rt2x00dev, offset, &reg);
3081
3082 /* read the next four txpower values */
3083 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i,
3084 &eeprom);
3085
3086 is_rate_b = i ? 0 : 1;
3087 /*
3088 * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
3089 * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
3090 * TX_PWR_CFG_4: unknown
3091 */
3092 txpower = rt2x00_get_field16(eeprom,
3093 EEPROM_TXPOWER_BYRATE_RATE0);
3094 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3095 power_level, txpower, delta);
3096 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE0, txpower);
3097
3098 /*
3099 * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
3100 * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
3101 * TX_PWR_CFG_4: unknown
3102 */
3103 txpower = rt2x00_get_field16(eeprom,
3104 EEPROM_TXPOWER_BYRATE_RATE1);
3105 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3106 power_level, txpower, delta);
3107 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE1, txpower);
3108
3109 /*
3110 * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
3111 * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14,
3112 * TX_PWR_CFG_4: unknown
3113 */
3114 txpower = rt2x00_get_field16(eeprom,
3115 EEPROM_TXPOWER_BYRATE_RATE2);
3116 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3117 power_level, txpower, delta);
3118 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE2, txpower);
3119
3120 /*
3121 * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
3122 * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15,
3123 * TX_PWR_CFG_4: unknown
3124 */
3125 txpower = rt2x00_get_field16(eeprom,
3126 EEPROM_TXPOWER_BYRATE_RATE3);
3127 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3128 power_level, txpower, delta);
3129 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE3, txpower);
3130
3131 /* read the next four txpower values */
3132 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i + 1,
3133 &eeprom);
3134
3135 is_rate_b = 0;
3136 /*
3137 * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
3138 * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
3139 * TX_PWR_CFG_4: unknown
3140 */
3141 txpower = rt2x00_get_field16(eeprom,
3142 EEPROM_TXPOWER_BYRATE_RATE0);
3143 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3144 power_level, txpower, delta);
3145 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE4, txpower);
3146
3147 /*
3148 * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
3149 * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
3150 * TX_PWR_CFG_4: unknown
3151 */
3152 txpower = rt2x00_get_field16(eeprom,
3153 EEPROM_TXPOWER_BYRATE_RATE1);
3154 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3155 power_level, txpower, delta);
3156 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE5, txpower);
3157
3158 /*
3159 * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
3160 * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
3161 * TX_PWR_CFG_4: unknown
3162 */
3163 txpower = rt2x00_get_field16(eeprom,
3164 EEPROM_TXPOWER_BYRATE_RATE2);
3165 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3166 power_level, txpower, delta);
3167 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE6, txpower);
3168
3169 /*
3170 * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
3171 * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
3172 * TX_PWR_CFG_4: unknown
3173 */
3174 txpower = rt2x00_get_field16(eeprom,
3175 EEPROM_TXPOWER_BYRATE_RATE3);
3176 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3177 power_level, txpower, delta);
3178 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE7, txpower);
3179
3180 rt2800_register_write(rt2x00dev, offset, reg);
3181
3182 /* next TX_PWR_CFG register */
3183 offset += 4;
3184 }
3185 }
3186
3187 void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
3188 {
3189 rt2800_config_txpower(rt2x00dev, rt2x00dev->hw->conf.chandef.chan,
3190 rt2x00dev->tx_power);
3191 }
3192 EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
3193
3194 void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
3195 {
3196 u32 tx_pin;
3197 u8 rfcsr;
3198
3199 /*
3200 * A voltage-controlled oscillator(VCO) is an electronic oscillator
3201 * designed to be controlled in oscillation frequency by a voltage
3202 * input. Maybe the temperature will affect the frequency of
3203 * oscillation to be shifted. The VCO calibration will be called
3204 * periodically to adjust the frequency to be precision.
3205 */
3206
3207 rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
3208 tx_pin &= TX_PIN_CFG_PA_PE_DISABLE;
3209 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
3210
3211 switch (rt2x00dev->chip.rf) {
3212 case RF2020:
3213 case RF3020:
3214 case RF3021:
3215 case RF3022:
3216 case RF3320:
3217 case RF3052:
3218 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
3219 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
3220 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
3221 break;
3222 case RF3290:
3223 case RF5360:
3224 case RF5370:
3225 case RF5372:
3226 case RF5390:
3227 case RF5392:
3228 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
3229 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
3230 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
3231 break;
3232 default:
3233 return;
3234 }
3235
3236 mdelay(1);
3237
3238 rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
3239 if (rt2x00dev->rf_channel <= 14) {
3240 switch (rt2x00dev->default_ant.tx_chain_num) {
3241 case 3:
3242 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1);
3243 /* fall through */
3244 case 2:
3245 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
3246 /* fall through */
3247 case 1:
3248 default:
3249 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
3250 break;
3251 }
3252 } else {
3253 switch (rt2x00dev->default_ant.tx_chain_num) {
3254 case 3:
3255 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1);
3256 /* fall through */
3257 case 2:
3258 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
3259 /* fall through */
3260 case 1:
3261 default:
3262 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
3263 break;
3264 }
3265 }
3266 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
3267
3268 }
3269 EXPORT_SYMBOL_GPL(rt2800_vco_calibration);
3270
3271 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
3272 struct rt2x00lib_conf *libconf)
3273 {
3274 u32 reg;
3275
3276 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
3277 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
3278 libconf->conf->short_frame_max_tx_count);
3279 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
3280 libconf->conf->long_frame_max_tx_count);
3281 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
3282 }
3283
3284 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
3285 struct rt2x00lib_conf *libconf)
3286 {
3287 enum dev_state state =
3288 (libconf->conf->flags & IEEE80211_CONF_PS) ?
3289 STATE_SLEEP : STATE_AWAKE;
3290 u32 reg;
3291
3292 if (state == STATE_SLEEP) {
3293 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
3294
3295 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
3296 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
3297 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
3298 libconf->conf->listen_interval - 1);
3299 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
3300 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
3301
3302 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
3303 } else {
3304 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
3305 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
3306 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
3307 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
3308 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
3309
3310 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
3311 }
3312 }
3313
3314 void rt2800_config(struct rt2x00_dev *rt2x00dev,
3315 struct rt2x00lib_conf *libconf,
3316 const unsigned int flags)
3317 {
3318 /* Always recalculate LNA gain before changing configuration */
3319 rt2800_config_lna_gain(rt2x00dev, libconf);
3320
3321 if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
3322 rt2800_config_channel(rt2x00dev, libconf->conf,
3323 &libconf->rf, &libconf->channel);
3324 rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
3325 libconf->conf->power_level);
3326 }
3327 if (flags & IEEE80211_CONF_CHANGE_POWER)
3328 rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
3329 libconf->conf->power_level);
3330 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
3331 rt2800_config_retry_limit(rt2x00dev, libconf);
3332 if (flags & IEEE80211_CONF_CHANGE_PS)
3333 rt2800_config_ps(rt2x00dev, libconf);
3334 }
3335 EXPORT_SYMBOL_GPL(rt2800_config);
3336
3337 /*
3338 * Link tuning
3339 */
3340 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
3341 {
3342 u32 reg;
3343
3344 /*
3345 * Update FCS error count from register.
3346 */
3347 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
3348 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
3349 }
3350 EXPORT_SYMBOL_GPL(rt2800_link_stats);
3351
3352 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
3353 {
3354 u8 vgc;
3355
3356 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
3357 if (rt2x00_rt(rt2x00dev, RT3070) ||
3358 rt2x00_rt(rt2x00dev, RT3071) ||
3359 rt2x00_rt(rt2x00dev, RT3090) ||
3360 rt2x00_rt(rt2x00dev, RT3290) ||
3361 rt2x00_rt(rt2x00dev, RT3390) ||
3362 rt2x00_rt(rt2x00dev, RT3572) ||
3363 rt2x00_rt(rt2x00dev, RT5390) ||
3364 rt2x00_rt(rt2x00dev, RT5392) ||
3365 rt2x00_rt(rt2x00dev, RT5592))
3366 vgc = 0x1c + (2 * rt2x00dev->lna_gain);
3367 else
3368 vgc = 0x2e + rt2x00dev->lna_gain;
3369 } else { /* 5GHZ band */
3370 if (rt2x00_rt(rt2x00dev, RT3572))
3371 vgc = 0x22 + (rt2x00dev->lna_gain * 5) / 3;
3372 else if (rt2x00_rt(rt2x00dev, RT5592))
3373 vgc = 0x24 + (2 * rt2x00dev->lna_gain);
3374 else {
3375 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
3376 vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3;
3377 else
3378 vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3;
3379 }
3380 }
3381
3382 return vgc;
3383 }
3384
3385 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
3386 struct link_qual *qual, u8 vgc_level)
3387 {
3388 if (qual->vgc_level != vgc_level) {
3389 if (rt2x00_rt(rt2x00dev, RT5592)) {
3390 rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a);
3391 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level);
3392 } else
3393 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
3394 qual->vgc_level = vgc_level;
3395 qual->vgc_level_reg = vgc_level;
3396 }
3397 }
3398
3399 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
3400 {
3401 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
3402 }
3403 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
3404
3405 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
3406 const u32 count)
3407 {
3408 u8 vgc;
3409
3410 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
3411 return;
3412 /*
3413 * When RSSI is better then -80 increase VGC level with 0x10, except
3414 * for rt5592 chip.
3415 */
3416
3417 vgc = rt2800_get_default_vgc(rt2x00dev);
3418
3419 if (rt2x00_rt(rt2x00dev, RT5592) && qual->rssi > -65)
3420 vgc += 0x20;
3421 else if (qual->rssi > -80)
3422 vgc += 0x10;
3423
3424 rt2800_set_vgc(rt2x00dev, qual, vgc);
3425 }
3426 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
3427
3428 /*
3429 * Initialization functions.
3430 */
3431 static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
3432 {
3433 u32 reg;
3434 u16 eeprom;
3435 unsigned int i;
3436 int ret;
3437
3438 rt2800_disable_wpdma(rt2x00dev);
3439
3440 ret = rt2800_drv_init_registers(rt2x00dev);
3441 if (ret)
3442 return ret;
3443
3444 rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
3445 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
3446 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
3447 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
3448 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
3449 rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
3450
3451 rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
3452 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
3453 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
3454 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
3455 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
3456 rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
3457
3458 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
3459 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
3460
3461 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
3462
3463 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
3464 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
3465 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
3466 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
3467 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
3468 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
3469 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
3470 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
3471
3472 rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
3473
3474 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
3475 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
3476 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
3477 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
3478
3479 if (rt2x00_rt(rt2x00dev, RT3290)) {
3480 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
3481 if (rt2x00_get_field32(reg, WLAN_EN) == 1) {
3482 rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 1);
3483 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
3484 }
3485
3486 rt2800_register_read(rt2x00dev, CMB_CTRL, &reg);
3487 if (!(rt2x00_get_field32(reg, LDO0_EN) == 1)) {
3488 rt2x00_set_field32(&reg, LDO0_EN, 1);
3489 rt2x00_set_field32(&reg, LDO_BGSEL, 3);
3490 rt2800_register_write(rt2x00dev, CMB_CTRL, reg);
3491 }
3492
3493 rt2800_register_read(rt2x00dev, OSC_CTRL, &reg);
3494 rt2x00_set_field32(&reg, OSC_ROSC_EN, 1);
3495 rt2x00_set_field32(&reg, OSC_CAL_REQ, 1);
3496 rt2x00_set_field32(&reg, OSC_REF_CYCLE, 0x27);
3497 rt2800_register_write(rt2x00dev, OSC_CTRL, reg);
3498
3499 rt2800_register_read(rt2x00dev, COEX_CFG0, &reg);
3500 rt2x00_set_field32(&reg, COEX_CFG_ANT, 0x5e);
3501 rt2800_register_write(rt2x00dev, COEX_CFG0, reg);
3502
3503 rt2800_register_read(rt2x00dev, COEX_CFG2, &reg);
3504 rt2x00_set_field32(&reg, BT_COEX_CFG1, 0x00);
3505 rt2x00_set_field32(&reg, BT_COEX_CFG0, 0x17);
3506 rt2x00_set_field32(&reg, WL_COEX_CFG1, 0x93);
3507 rt2x00_set_field32(&reg, WL_COEX_CFG0, 0x7f);
3508 rt2800_register_write(rt2x00dev, COEX_CFG2, reg);
3509
3510 rt2800_register_read(rt2x00dev, PLL_CTRL, &reg);
3511 rt2x00_set_field32(&reg, PLL_CONTROL, 1);
3512 rt2800_register_write(rt2x00dev, PLL_CTRL, reg);
3513 }
3514
3515 if (rt2x00_rt(rt2x00dev, RT3071) ||
3516 rt2x00_rt(rt2x00dev, RT3090) ||
3517 rt2x00_rt(rt2x00dev, RT3290) ||
3518 rt2x00_rt(rt2x00dev, RT3390)) {
3519
3520 if (rt2x00_rt(rt2x00dev, RT3290))
3521 rt2800_register_write(rt2x00dev, TX_SW_CFG0,
3522 0x00000404);
3523 else
3524 rt2800_register_write(rt2x00dev, TX_SW_CFG0,
3525 0x00000400);
3526
3527 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
3528 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3529 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
3530 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
3531 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3532 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
3533 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
3534 0x0000002c);
3535 else
3536 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
3537 0x0000000f);
3538 } else {
3539 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
3540 }
3541 } else if (rt2x00_rt(rt2x00dev, RT3070)) {
3542 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
3543
3544 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
3545 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
3546 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
3547 } else {
3548 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
3549 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
3550 }
3551 } else if (rt2800_is_305x_soc(rt2x00dev)) {
3552 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
3553 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
3554 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
3555 } else if (rt2x00_rt(rt2x00dev, RT3352)) {
3556 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
3557 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
3558 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
3559 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
3560 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
3561 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
3562 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
3563 rt2x00_rt(rt2x00dev, RT5392) ||
3564 rt2x00_rt(rt2x00dev, RT5592)) {
3565 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
3566 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
3567 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
3568 } else {
3569 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
3570 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
3571 }
3572
3573 rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
3574 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
3575 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
3576 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
3577 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
3578 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
3579 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
3580 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
3581 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
3582 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
3583
3584 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
3585 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
3586 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
3587 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
3588 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
3589
3590 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
3591 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
3592 if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
3593 rt2x00_rt(rt2x00dev, RT2883) ||
3594 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
3595 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
3596 else
3597 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
3598 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
3599 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
3600 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
3601
3602 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
3603 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
3604 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
3605 rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
3606 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
3607 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
3608 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
3609 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
3610 rt2800_register_write(rt2x00dev, LED_CFG, reg);
3611
3612 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
3613
3614 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
3615 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
3616 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
3617 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
3618 rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
3619 rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
3620 rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
3621 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
3622
3623 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
3624 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
3625 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
3626 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
3627 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
3628 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 1);
3629 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
3630 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
3631 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
3632
3633 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
3634 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
3635 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
3636 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
3637 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3638 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3639 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3640 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
3641 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3642 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
3643 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
3644 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
3645
3646 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
3647 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
3648 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
3649 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
3650 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3651 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3652 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3653 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
3654 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3655 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
3656 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
3657 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
3658
3659 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
3660 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
3661 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
3662 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
3663 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3664 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3665 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3666 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
3667 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3668 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
3669 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
3670 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
3671
3672 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
3673 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
3674 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
3675 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
3676 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3677 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3678 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3679 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
3680 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3681 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
3682 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
3683 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
3684
3685 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
3686 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
3687 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
3688 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
3689 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3690 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3691 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3692 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
3693 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3694 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
3695 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
3696 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
3697
3698 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
3699 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
3700 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
3701 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
3702 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3703 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3704 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3705 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
3706 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3707 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
3708 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
3709 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
3710
3711 if (rt2x00_is_usb(rt2x00dev)) {
3712 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
3713
3714 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
3715 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
3716 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
3717 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
3718 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
3719 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
3720 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
3721 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
3722 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
3723 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
3724 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
3725 }
3726
3727 /*
3728 * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
3729 * although it is reserved.
3730 */
3731 rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, &reg);
3732 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
3733 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
3734 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
3735 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
3736 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
3737 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
3738 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
3739 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
3740 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
3741 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CWMIN, 0);
3742 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
3743
3744 reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
3745 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
3746
3747 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
3748 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
3749 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
3750 IEEE80211_MAX_RTS_THRESHOLD);
3751 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
3752 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
3753
3754 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
3755
3756 /*
3757 * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
3758 * time should be set to 16. However, the original Ralink driver uses
3759 * 16 for both and indeed using a value of 10 for CCK SIFS results in
3760 * connection problems with 11g + CTS protection. Hence, use the same
3761 * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
3762 */
3763 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
3764 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
3765 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
3766 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
3767 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
3768 rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
3769 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
3770
3771 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
3772
3773 /*
3774 * ASIC will keep garbage value after boot, clear encryption keys.
3775 */
3776 for (i = 0; i < 4; i++)
3777 rt2800_register_write(rt2x00dev,
3778 SHARED_KEY_MODE_ENTRY(i), 0);
3779
3780 for (i = 0; i < 256; i++) {
3781 rt2800_config_wcid(rt2x00dev, NULL, i);
3782 rt2800_delete_wcid_attr(rt2x00dev, i);
3783 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
3784 }
3785
3786 /*
3787 * Clear all beacons
3788 */
3789 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE0);
3790 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE1);
3791 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE2);
3792 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE3);
3793 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE4);
3794 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE5);
3795 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE6);
3796 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE7);
3797
3798 if (rt2x00_is_usb(rt2x00dev)) {
3799 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
3800 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 30);
3801 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
3802 } else if (rt2x00_is_pcie(rt2x00dev)) {
3803 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
3804 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
3805 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
3806 }
3807
3808 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
3809 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
3810 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
3811 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
3812 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
3813 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
3814 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
3815 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
3816 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
3817 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
3818
3819 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
3820 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
3821 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
3822 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
3823 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
3824 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
3825 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
3826 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
3827 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
3828 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
3829
3830 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
3831 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
3832 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
3833 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
3834 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
3835 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
3836 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
3837 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
3838 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
3839 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
3840
3841 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
3842 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
3843 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
3844 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
3845 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
3846 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
3847
3848 /*
3849 * Do not force the BA window size, we use the TXWI to set it
3850 */
3851 rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, &reg);
3852 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
3853 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
3854 rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
3855
3856 /*
3857 * We must clear the error counters.
3858 * These registers are cleared on read,
3859 * so we may pass a useless variable to store the value.
3860 */
3861 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
3862 rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
3863 rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
3864 rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
3865 rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
3866 rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
3867
3868 /*
3869 * Setup leadtime for pre tbtt interrupt to 6ms
3870 */
3871 rt2800_register_read(rt2x00dev, INT_TIMER_CFG, &reg);
3872 rt2x00_set_field32(&reg, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
3873 rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
3874
3875 /*
3876 * Set up channel statistics timer
3877 */
3878 rt2800_register_read(rt2x00dev, CH_TIME_CFG, &reg);
3879 rt2x00_set_field32(&reg, CH_TIME_CFG_EIFS_BUSY, 1);
3880 rt2x00_set_field32(&reg, CH_TIME_CFG_NAV_BUSY, 1);
3881 rt2x00_set_field32(&reg, CH_TIME_CFG_RX_BUSY, 1);
3882 rt2x00_set_field32(&reg, CH_TIME_CFG_TX_BUSY, 1);
3883 rt2x00_set_field32(&reg, CH_TIME_CFG_TMR_EN, 1);
3884 rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
3885
3886 return 0;
3887 }
3888
3889 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
3890 {
3891 unsigned int i;
3892 u32 reg;
3893
3894 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
3895 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
3896 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
3897 return 0;
3898
3899 udelay(REGISTER_BUSY_DELAY);
3900 }
3901
3902 rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n");
3903 return -EACCES;
3904 }
3905
3906 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
3907 {
3908 unsigned int i;
3909 u8 value;
3910
3911 /*
3912 * BBP was enabled after firmware was loaded,
3913 * but we need to reactivate it now.
3914 */
3915 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
3916 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
3917 msleep(1);
3918
3919 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
3920 rt2800_bbp_read(rt2x00dev, 0, &value);
3921 if ((value != 0xff) && (value != 0x00))
3922 return 0;
3923 udelay(REGISTER_BUSY_DELAY);
3924 }
3925
3926 rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n");
3927 return -EACCES;
3928 }
3929
3930 static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev)
3931 {
3932 u8 value;
3933
3934 rt2800_bbp_read(rt2x00dev, 4, &value);
3935 rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
3936 rt2800_bbp_write(rt2x00dev, 4, value);
3937 }
3938
3939 static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev)
3940 {
3941 rt2800_bbp_write(rt2x00dev, 142, 1);
3942 rt2800_bbp_write(rt2x00dev, 143, 57);
3943 }
3944
3945 static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev)
3946 {
3947 const u8 glrt_table[] = {
3948 0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */
3949 0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */
3950 0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */
3951 0X3C, 0x34, 0x2C, 0x2F, 0x3C, 0x35, 0x2E, 0x2A, 0x49, 0x41, /* 158 ~ 167 */
3952 0x36, 0x31, 0x30, 0x30, 0x0E, 0x0D, 0x28, 0x21, 0x1C, 0x16, /* 168 ~ 177 */
3953 0x50, 0x4A, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, /* 178 ~ 187 */
3954 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 188 ~ 197 */
3955 0x00, 0x00, 0x7D, 0x14, 0x32, 0x2C, 0x36, 0x4C, 0x43, 0x2C, /* 198 ~ 207 */
3956 0x2E, 0x36, 0x30, 0x6E, /* 208 ~ 211 */
3957 };
3958 int i;
3959
3960 for (i = 0; i < ARRAY_SIZE(glrt_table); i++) {
3961 rt2800_bbp_write(rt2x00dev, 195, 128 + i);
3962 rt2800_bbp_write(rt2x00dev, 196, glrt_table[i]);
3963 }
3964 };
3965
3966 static void rt2800_init_bbp_early(struct rt2x00_dev *rt2x00dev)
3967 {
3968 rt2800_bbp_write(rt2x00dev, 65, 0x2C);
3969 rt2800_bbp_write(rt2x00dev, 66, 0x38);
3970 rt2800_bbp_write(rt2x00dev, 68, 0x0B);
3971 rt2800_bbp_write(rt2x00dev, 69, 0x12);
3972 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3973 rt2800_bbp_write(rt2x00dev, 73, 0x10);
3974 rt2800_bbp_write(rt2x00dev, 81, 0x37);
3975 rt2800_bbp_write(rt2x00dev, 82, 0x62);
3976 rt2800_bbp_write(rt2x00dev, 83, 0x6A);
3977 rt2800_bbp_write(rt2x00dev, 84, 0x99);
3978 rt2800_bbp_write(rt2x00dev, 86, 0x00);
3979 rt2800_bbp_write(rt2x00dev, 91, 0x04);
3980 rt2800_bbp_write(rt2x00dev, 92, 0x00);
3981 rt2800_bbp_write(rt2x00dev, 103, 0x00);
3982 rt2800_bbp_write(rt2x00dev, 105, 0x05);
3983 rt2800_bbp_write(rt2x00dev, 106, 0x35);
3984 }
3985
3986 static void rt2800_disable_unused_dac_adc(struct rt2x00_dev *rt2x00dev)
3987 {
3988 u16 eeprom;
3989 u8 value;
3990
3991 rt2800_bbp_read(rt2x00dev, 138, &value);
3992 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3993 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
3994 value |= 0x20;
3995 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
3996 value &= ~0x02;
3997 rt2800_bbp_write(rt2x00dev, 138, value);
3998 }
3999
4000 static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev)
4001 {
4002 rt2800_bbp_write(rt2x00dev, 31, 0x08);
4003
4004 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4005 rt2800_bbp_write(rt2x00dev, 66, 0x38);
4006
4007 rt2800_bbp_write(rt2x00dev, 69, 0x12);
4008 rt2800_bbp_write(rt2x00dev, 73, 0x10);
4009
4010 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4011
4012 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
4013 rt2800_bbp_write(rt2x00dev, 80, 0x08);
4014
4015 rt2800_bbp_write(rt2x00dev, 82, 0x62);
4016
4017 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4018
4019 rt2800_bbp_write(rt2x00dev, 84, 0x99);
4020
4021 rt2800_bbp_write(rt2x00dev, 86, 0x00);
4022
4023 rt2800_bbp_write(rt2x00dev, 91, 0x04);
4024
4025 rt2800_bbp_write(rt2x00dev, 92, 0x00);
4026
4027 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4028
4029 rt2800_bbp_write(rt2x00dev, 105, 0x01);
4030
4031 rt2800_bbp_write(rt2x00dev, 106, 0x35);
4032 }
4033
4034 static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev)
4035 {
4036 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4037 rt2800_bbp_write(rt2x00dev, 66, 0x38);
4038
4039 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
4040 rt2800_bbp_write(rt2x00dev, 69, 0x16);
4041 rt2800_bbp_write(rt2x00dev, 73, 0x12);
4042 } else {
4043 rt2800_bbp_write(rt2x00dev, 69, 0x12);
4044 rt2800_bbp_write(rt2x00dev, 73, 0x10);
4045 }
4046
4047 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4048
4049 rt2800_bbp_write(rt2x00dev, 81, 0x37);
4050
4051 rt2800_bbp_write(rt2x00dev, 82, 0x62);
4052
4053 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4054
4055 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
4056 rt2800_bbp_write(rt2x00dev, 84, 0x19);
4057 else
4058 rt2800_bbp_write(rt2x00dev, 84, 0x99);
4059
4060 rt2800_bbp_write(rt2x00dev, 86, 0x00);
4061
4062 rt2800_bbp_write(rt2x00dev, 91, 0x04);
4063
4064 rt2800_bbp_write(rt2x00dev, 92, 0x00);
4065
4066 rt2800_bbp_write(rt2x00dev, 103, 0x00);
4067
4068 rt2800_bbp_write(rt2x00dev, 105, 0x05);
4069
4070 rt2800_bbp_write(rt2x00dev, 106, 0x35);
4071 }
4072
4073 static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev)
4074 {
4075 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4076 rt2800_bbp_write(rt2x00dev, 66, 0x38);
4077
4078 rt2800_bbp_write(rt2x00dev, 69, 0x12);
4079 rt2800_bbp_write(rt2x00dev, 73, 0x10);
4080
4081 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4082
4083 rt2800_bbp_write(rt2x00dev, 79, 0x13);
4084 rt2800_bbp_write(rt2x00dev, 80, 0x05);
4085 rt2800_bbp_write(rt2x00dev, 81, 0x33);
4086
4087 rt2800_bbp_write(rt2x00dev, 82, 0x62);
4088
4089 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4090
4091 rt2800_bbp_write(rt2x00dev, 84, 0x99);
4092
4093 rt2800_bbp_write(rt2x00dev, 86, 0x00);
4094
4095 rt2800_bbp_write(rt2x00dev, 91, 0x04);
4096
4097 rt2800_bbp_write(rt2x00dev, 92, 0x00);
4098
4099 if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
4100 rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
4101 rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E))
4102 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4103 else
4104 rt2800_bbp_write(rt2x00dev, 103, 0x00);
4105
4106 rt2800_bbp_write(rt2x00dev, 105, 0x05);
4107
4108 rt2800_bbp_write(rt2x00dev, 106, 0x35);
4109
4110 if (rt2x00_rt(rt2x00dev, RT3071) ||
4111 rt2x00_rt(rt2x00dev, RT3090))
4112 rt2800_disable_unused_dac_adc(rt2x00dev);
4113 }
4114
4115 static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev)
4116 {
4117 u8 value;
4118
4119 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
4120
4121 rt2800_bbp_write(rt2x00dev, 31, 0x08);
4122
4123 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4124 rt2800_bbp_write(rt2x00dev, 66, 0x38);
4125
4126 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
4127
4128 rt2800_bbp_write(rt2x00dev, 69, 0x12);
4129 rt2800_bbp_write(rt2x00dev, 73, 0x13);
4130 rt2800_bbp_write(rt2x00dev, 75, 0x46);
4131 rt2800_bbp_write(rt2x00dev, 76, 0x28);
4132
4133 rt2800_bbp_write(rt2x00dev, 77, 0x58);
4134
4135 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4136
4137 rt2800_bbp_write(rt2x00dev, 74, 0x0b);
4138 rt2800_bbp_write(rt2x00dev, 79, 0x18);
4139 rt2800_bbp_write(rt2x00dev, 80, 0x09);
4140 rt2800_bbp_write(rt2x00dev, 81, 0x33);
4141
4142 rt2800_bbp_write(rt2x00dev, 82, 0x62);
4143
4144 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
4145
4146 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
4147
4148 rt2800_bbp_write(rt2x00dev, 86, 0x38);
4149
4150 rt2800_bbp_write(rt2x00dev, 91, 0x04);
4151
4152 rt2800_bbp_write(rt2x00dev, 92, 0x02);
4153
4154 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4155
4156 rt2800_bbp_write(rt2x00dev, 104, 0x92);
4157
4158 rt2800_bbp_write(rt2x00dev, 105, 0x1c);
4159
4160 rt2800_bbp_write(rt2x00dev, 106, 0x03);
4161
4162 rt2800_bbp_write(rt2x00dev, 128, 0x12);
4163
4164 rt2800_bbp_write(rt2x00dev, 67, 0x24);
4165 rt2800_bbp_write(rt2x00dev, 143, 0x04);
4166 rt2800_bbp_write(rt2x00dev, 142, 0x99);
4167 rt2800_bbp_write(rt2x00dev, 150, 0x30);
4168 rt2800_bbp_write(rt2x00dev, 151, 0x2e);
4169 rt2800_bbp_write(rt2x00dev, 152, 0x20);
4170 rt2800_bbp_write(rt2x00dev, 153, 0x34);
4171 rt2800_bbp_write(rt2x00dev, 154, 0x40);
4172 rt2800_bbp_write(rt2x00dev, 155, 0x3b);
4173 rt2800_bbp_write(rt2x00dev, 253, 0x04);
4174
4175 rt2800_bbp_read(rt2x00dev, 47, &value);
4176 rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1);
4177 rt2800_bbp_write(rt2x00dev, 47, value);
4178
4179 /* Use 5-bit ADC for Acquisition and 8-bit ADC for data */
4180 rt2800_bbp_read(rt2x00dev, 3, &value);
4181 rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1);
4182 rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1);
4183 rt2800_bbp_write(rt2x00dev, 3, value);
4184 }
4185
4186 static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev)
4187 {
4188 rt2800_bbp_write(rt2x00dev, 3, 0x00);
4189 rt2800_bbp_write(rt2x00dev, 4, 0x50);
4190
4191 rt2800_bbp_write(rt2x00dev, 31, 0x08);
4192
4193 rt2800_bbp_write(rt2x00dev, 47, 0x48);
4194
4195 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4196 rt2800_bbp_write(rt2x00dev, 66, 0x38);
4197
4198 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
4199
4200 rt2800_bbp_write(rt2x00dev, 69, 0x12);
4201 rt2800_bbp_write(rt2x00dev, 73, 0x13);
4202 rt2800_bbp_write(rt2x00dev, 75, 0x46);
4203 rt2800_bbp_write(rt2x00dev, 76, 0x28);
4204
4205 rt2800_bbp_write(rt2x00dev, 77, 0x59);
4206
4207 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4208
4209 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
4210 rt2800_bbp_write(rt2x00dev, 80, 0x08);
4211 rt2800_bbp_write(rt2x00dev, 81, 0x37);
4212
4213 rt2800_bbp_write(rt2x00dev, 82, 0x62);
4214
4215 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4216
4217 rt2800_bbp_write(rt2x00dev, 84, 0x99);
4218
4219 rt2800_bbp_write(rt2x00dev, 86, 0x38);
4220
4221 rt2800_bbp_write(rt2x00dev, 88, 0x90);
4222
4223 rt2800_bbp_write(rt2x00dev, 91, 0x04);
4224
4225 rt2800_bbp_write(rt2x00dev, 92, 0x02);
4226
4227 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4228
4229 rt2800_bbp_write(rt2x00dev, 104, 0x92);
4230
4231 rt2800_bbp_write(rt2x00dev, 105, 0x34);
4232
4233 rt2800_bbp_write(rt2x00dev, 106, 0x05);
4234
4235 rt2800_bbp_write(rt2x00dev, 120, 0x50);
4236
4237 rt2800_bbp_write(rt2x00dev, 137, 0x0f);
4238
4239 rt2800_bbp_write(rt2x00dev, 163, 0xbd);
4240 /* Set ITxBF timeout to 0x9c40=1000msec */
4241 rt2800_bbp_write(rt2x00dev, 179, 0x02);
4242 rt2800_bbp_write(rt2x00dev, 180, 0x00);
4243 rt2800_bbp_write(rt2x00dev, 182, 0x40);
4244 rt2800_bbp_write(rt2x00dev, 180, 0x01);
4245 rt2800_bbp_write(rt2x00dev, 182, 0x9c);
4246 rt2800_bbp_write(rt2x00dev, 179, 0x00);
4247 /* Reprogram the inband interface to put right values in RXWI */
4248 rt2800_bbp_write(rt2x00dev, 142, 0x04);
4249 rt2800_bbp_write(rt2x00dev, 143, 0x3b);
4250 rt2800_bbp_write(rt2x00dev, 142, 0x06);
4251 rt2800_bbp_write(rt2x00dev, 143, 0xa0);
4252 rt2800_bbp_write(rt2x00dev, 142, 0x07);
4253 rt2800_bbp_write(rt2x00dev, 143, 0xa1);
4254 rt2800_bbp_write(rt2x00dev, 142, 0x08);
4255 rt2800_bbp_write(rt2x00dev, 143, 0xa2);
4256
4257 rt2800_bbp_write(rt2x00dev, 148, 0xc8);
4258 }
4259
4260 static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev)
4261 {
4262 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4263 rt2800_bbp_write(rt2x00dev, 66, 0x38);
4264
4265 rt2800_bbp_write(rt2x00dev, 69, 0x12);
4266 rt2800_bbp_write(rt2x00dev, 73, 0x10);
4267
4268 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4269
4270 rt2800_bbp_write(rt2x00dev, 79, 0x13);
4271 rt2800_bbp_write(rt2x00dev, 80, 0x05);
4272 rt2800_bbp_write(rt2x00dev, 81, 0x33);
4273
4274 rt2800_bbp_write(rt2x00dev, 82, 0x62);
4275
4276 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4277
4278 rt2800_bbp_write(rt2x00dev, 84, 0x99);
4279
4280 rt2800_bbp_write(rt2x00dev, 86, 0x00);
4281
4282 rt2800_bbp_write(rt2x00dev, 91, 0x04);
4283
4284 rt2800_bbp_write(rt2x00dev, 92, 0x00);
4285
4286 if (rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E))
4287 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4288 else
4289 rt2800_bbp_write(rt2x00dev, 103, 0x00);
4290
4291 rt2800_bbp_write(rt2x00dev, 105, 0x05);
4292
4293 rt2800_bbp_write(rt2x00dev, 106, 0x35);
4294
4295 rt2800_disable_unused_dac_adc(rt2x00dev);
4296 }
4297
4298 static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev)
4299 {
4300 rt2800_bbp_write(rt2x00dev, 31, 0x08);
4301
4302 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4303 rt2800_bbp_write(rt2x00dev, 66, 0x38);
4304
4305 rt2800_bbp_write(rt2x00dev, 69, 0x12);
4306 rt2800_bbp_write(rt2x00dev, 73, 0x10);
4307
4308 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4309
4310 rt2800_bbp_write(rt2x00dev, 79, 0x13);
4311 rt2800_bbp_write(rt2x00dev, 80, 0x05);
4312 rt2800_bbp_write(rt2x00dev, 81, 0x33);
4313
4314 rt2800_bbp_write(rt2x00dev, 82, 0x62);
4315
4316 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4317
4318 rt2800_bbp_write(rt2x00dev, 84, 0x99);
4319
4320 rt2800_bbp_write(rt2x00dev, 86, 0x00);
4321
4322 rt2800_bbp_write(rt2x00dev, 91, 0x04);
4323
4324 rt2800_bbp_write(rt2x00dev, 92, 0x00);
4325
4326 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4327
4328 rt2800_bbp_write(rt2x00dev, 105, 0x05);
4329
4330 rt2800_bbp_write(rt2x00dev, 106, 0x35);
4331
4332 rt2800_disable_unused_dac_adc(rt2x00dev);
4333 }
4334
4335 static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
4336 {
4337 int ant, div_mode;
4338 u16 eeprom;
4339 u8 value;
4340
4341 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
4342
4343 rt2800_bbp_write(rt2x00dev, 31, 0x08);
4344
4345 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4346 rt2800_bbp_write(rt2x00dev, 66, 0x38);
4347
4348 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
4349
4350 rt2800_bbp_write(rt2x00dev, 69, 0x12);
4351 rt2800_bbp_write(rt2x00dev, 73, 0x13);
4352 rt2800_bbp_write(rt2x00dev, 75, 0x46);
4353 rt2800_bbp_write(rt2x00dev, 76, 0x28);
4354
4355 rt2800_bbp_write(rt2x00dev, 77, 0x59);
4356
4357 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4358
4359 rt2800_bbp_write(rt2x00dev, 79, 0x13);
4360 rt2800_bbp_write(rt2x00dev, 80, 0x05);
4361 rt2800_bbp_write(rt2x00dev, 81, 0x33);
4362
4363 rt2800_bbp_write(rt2x00dev, 82, 0x62);
4364
4365 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
4366
4367 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
4368
4369 rt2800_bbp_write(rt2x00dev, 86, 0x38);
4370
4371 if (rt2x00_rt(rt2x00dev, RT5392))
4372 rt2800_bbp_write(rt2x00dev, 88, 0x90);
4373
4374 rt2800_bbp_write(rt2x00dev, 91, 0x04);
4375
4376 rt2800_bbp_write(rt2x00dev, 92, 0x02);
4377
4378 if (rt2x00_rt(rt2x00dev, RT5392)) {
4379 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
4380 rt2800_bbp_write(rt2x00dev, 98, 0x12);
4381 }
4382
4383 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4384
4385 rt2800_bbp_write(rt2x00dev, 104, 0x92);
4386
4387 rt2800_bbp_write(rt2x00dev, 105, 0x3c);
4388
4389 if (rt2x00_rt(rt2x00dev, RT5390))
4390 rt2800_bbp_write(rt2x00dev, 106, 0x03);
4391 else if (rt2x00_rt(rt2x00dev, RT5392))
4392 rt2800_bbp_write(rt2x00dev, 106, 0x12);
4393 else
4394 WARN_ON(1);
4395
4396 rt2800_bbp_write(rt2x00dev, 128, 0x12);
4397
4398 if (rt2x00_rt(rt2x00dev, RT5392)) {
4399 rt2800_bbp_write(rt2x00dev, 134, 0xd0);
4400 rt2800_bbp_write(rt2x00dev, 135, 0xf6);
4401 }
4402
4403 rt2800_disable_unused_dac_adc(rt2x00dev);
4404
4405 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
4406 div_mode = rt2x00_get_field16(eeprom,
4407 EEPROM_NIC_CONF1_ANT_DIVERSITY);
4408 ant = (div_mode == 3) ? 1 : 0;
4409
4410 /* check if this is a Bluetooth combo card */
4411 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
4412 u32 reg;
4413
4414 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
4415 rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
4416 rt2x00_set_field32(&reg, GPIO_CTRL_DIR6, 0);
4417 rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 0);
4418 rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 0);
4419 if (ant == 0)
4420 rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 1);
4421 else if (ant == 1)
4422 rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 1);
4423 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
4424 }
4425
4426 /* This chip has hardware antenna diversity*/
4427 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
4428 rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */
4429 rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */
4430 rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */
4431 }
4432
4433 rt2800_bbp_read(rt2x00dev, 152, &value);
4434 if (ant == 0)
4435 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
4436 else
4437 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
4438 rt2800_bbp_write(rt2x00dev, 152, value);
4439
4440 rt2800_init_freq_calibration(rt2x00dev);
4441 }
4442
4443 static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev)
4444 {
4445 int ant, div_mode;
4446 u16 eeprom;
4447 u8 value;
4448
4449 rt2800_init_bbp_early(rt2x00dev);
4450
4451 rt2800_bbp_read(rt2x00dev, 105, &value);
4452 rt2x00_set_field8(&value, BBP105_MLD,
4453 rt2x00dev->default_ant.rx_chain_num == 2);
4454 rt2800_bbp_write(rt2x00dev, 105, value);
4455
4456 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
4457
4458 rt2800_bbp_write(rt2x00dev, 20, 0x06);
4459 rt2800_bbp_write(rt2x00dev, 31, 0x08);
4460 rt2800_bbp_write(rt2x00dev, 65, 0x2C);
4461 rt2800_bbp_write(rt2x00dev, 68, 0xDD);
4462 rt2800_bbp_write(rt2x00dev, 69, 0x1A);
4463 rt2800_bbp_write(rt2x00dev, 70, 0x05);
4464 rt2800_bbp_write(rt2x00dev, 73, 0x13);
4465 rt2800_bbp_write(rt2x00dev, 74, 0x0F);
4466 rt2800_bbp_write(rt2x00dev, 75, 0x4F);
4467 rt2800_bbp_write(rt2x00dev, 76, 0x28);
4468 rt2800_bbp_write(rt2x00dev, 77, 0x59);
4469 rt2800_bbp_write(rt2x00dev, 84, 0x9A);
4470 rt2800_bbp_write(rt2x00dev, 86, 0x38);
4471 rt2800_bbp_write(rt2x00dev, 88, 0x90);
4472 rt2800_bbp_write(rt2x00dev, 91, 0x04);
4473 rt2800_bbp_write(rt2x00dev, 92, 0x02);
4474 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
4475 rt2800_bbp_write(rt2x00dev, 98, 0x12);
4476 rt2800_bbp_write(rt2x00dev, 103, 0xC0);
4477 rt2800_bbp_write(rt2x00dev, 104, 0x92);
4478 /* FIXME BBP105 owerwrite */
4479 rt2800_bbp_write(rt2x00dev, 105, 0x3C);
4480 rt2800_bbp_write(rt2x00dev, 106, 0x35);
4481 rt2800_bbp_write(rt2x00dev, 128, 0x12);
4482 rt2800_bbp_write(rt2x00dev, 134, 0xD0);
4483 rt2800_bbp_write(rt2x00dev, 135, 0xF6);
4484 rt2800_bbp_write(rt2x00dev, 137, 0x0F);
4485
4486 /* Initialize GLRT (Generalized Likehood Radio Test) */
4487 rt2800_init_bbp_5592_glrt(rt2x00dev);
4488
4489 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
4490
4491 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
4492 div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY);
4493 ant = (div_mode == 3) ? 1 : 0;
4494 rt2800_bbp_read(rt2x00dev, 152, &value);
4495 if (ant == 0) {
4496 /* Main antenna */
4497 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
4498 } else {
4499 /* Auxiliary antenna */
4500 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
4501 }
4502 rt2800_bbp_write(rt2x00dev, 152, value);
4503
4504 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) {
4505 rt2800_bbp_read(rt2x00dev, 254, &value);
4506 rt2x00_set_field8(&value, BBP254_BIT7, 1);
4507 rt2800_bbp_write(rt2x00dev, 254, value);
4508 }
4509
4510 rt2800_init_freq_calibration(rt2x00dev);
4511
4512 rt2800_bbp_write(rt2x00dev, 84, 0x19);
4513 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
4514 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4515 }
4516
4517 static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
4518 {
4519 unsigned int i;
4520 u16 eeprom;
4521 u8 reg_id;
4522 u8 value;
4523
4524 if (rt2800_is_305x_soc(rt2x00dev))
4525 rt2800_init_bbp_305x_soc(rt2x00dev);
4526
4527 switch (rt2x00dev->chip.rt) {
4528 case RT2860:
4529 case RT2872:
4530 case RT2883:
4531 rt2800_init_bbp_28xx(rt2x00dev);
4532 break;
4533 case RT3070:
4534 case RT3071:
4535 case RT3090:
4536 rt2800_init_bbp_30xx(rt2x00dev);
4537 break;
4538 case RT3290:
4539 rt2800_init_bbp_3290(rt2x00dev);
4540 break;
4541 case RT3352:
4542 rt2800_init_bbp_3352(rt2x00dev);
4543 break;
4544 case RT3390:
4545 rt2800_init_bbp_3390(rt2x00dev);
4546 break;
4547 case RT3572:
4548 rt2800_init_bbp_3572(rt2x00dev);
4549 break;
4550 case RT5390:
4551 case RT5392:
4552 rt2800_init_bbp_53xx(rt2x00dev);
4553 break;
4554 case RT5592:
4555 rt2800_init_bbp_5592(rt2x00dev);
4556 return;
4557 }
4558
4559 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
4560 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
4561
4562 if (eeprom != 0xffff && eeprom != 0x0000) {
4563 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
4564 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
4565 rt2800_bbp_write(rt2x00dev, reg_id, value);
4566 }
4567 }
4568 }
4569
4570 static void rt2800_led_open_drain_enable(struct rt2x00_dev *rt2x00dev)
4571 {
4572 u32 reg;
4573
4574 rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
4575 rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
4576 rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
4577 }
4578
4579 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40,
4580 u8 filter_target)
4581 {
4582 unsigned int i;
4583 u8 bbp;
4584 u8 rfcsr;
4585 u8 passband;
4586 u8 stopband;
4587 u8 overtuned = 0;
4588 u8 rfcsr24 = (bw40) ? 0x27 : 0x07;
4589
4590 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
4591
4592 rt2800_bbp_read(rt2x00dev, 4, &bbp);
4593 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
4594 rt2800_bbp_write(rt2x00dev, 4, bbp);
4595
4596 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
4597 rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
4598 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
4599
4600 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
4601 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
4602 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
4603
4604 /*
4605 * Set power & frequency of passband test tone
4606 */
4607 rt2800_bbp_write(rt2x00dev, 24, 0);
4608
4609 for (i = 0; i < 100; i++) {
4610 rt2800_bbp_write(rt2x00dev, 25, 0x90);
4611 msleep(1);
4612
4613 rt2800_bbp_read(rt2x00dev, 55, &passband);
4614 if (passband)
4615 break;
4616 }
4617
4618 /*
4619 * Set power & frequency of stopband test tone
4620 */
4621 rt2800_bbp_write(rt2x00dev, 24, 0x06);
4622
4623 for (i = 0; i < 100; i++) {
4624 rt2800_bbp_write(rt2x00dev, 25, 0x90);
4625 msleep(1);
4626
4627 rt2800_bbp_read(rt2x00dev, 55, &stopband);
4628
4629 if ((passband - stopband) <= filter_target) {
4630 rfcsr24++;
4631 overtuned += ((passband - stopband) == filter_target);
4632 } else
4633 break;
4634
4635 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
4636 }
4637
4638 rfcsr24 -= !!overtuned;
4639
4640 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
4641 return rfcsr24;
4642 }
4643
4644 static void rt2800_rf_init_calibration(struct rt2x00_dev *rt2x00dev,
4645 const unsigned int rf_reg)
4646 {
4647 u8 rfcsr;
4648
4649 rt2800_rfcsr_read(rt2x00dev, rf_reg, &rfcsr);
4650 rt2x00_set_field8(&rfcsr, FIELD8(0x80), 1);
4651 rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
4652 msleep(1);
4653 rt2x00_set_field8(&rfcsr, FIELD8(0x80), 0);
4654 rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
4655 }
4656
4657 static void rt2800_rx_filter_calibration(struct rt2x00_dev *rt2x00dev)
4658 {
4659 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
4660 u8 filter_tgt_bw20;
4661 u8 filter_tgt_bw40;
4662 u8 rfcsr, bbp;
4663
4664 /*
4665 * TODO: sync filter_tgt values with vendor driver
4666 */
4667 if (rt2x00_rt(rt2x00dev, RT3070)) {
4668 filter_tgt_bw20 = 0x16;
4669 filter_tgt_bw40 = 0x19;
4670 } else {
4671 filter_tgt_bw20 = 0x13;
4672 filter_tgt_bw40 = 0x15;
4673 }
4674
4675 drv_data->calibration_bw20 =
4676 rt2800_init_rx_filter(rt2x00dev, false, filter_tgt_bw20);
4677 drv_data->calibration_bw40 =
4678 rt2800_init_rx_filter(rt2x00dev, true, filter_tgt_bw40);
4679
4680 /*
4681 * Save BBP 25 & 26 values for later use in channel switching (for 3052)
4682 */
4683 rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
4684 rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
4685
4686 /*
4687 * Set back to initial state
4688 */
4689 rt2800_bbp_write(rt2x00dev, 24, 0);
4690
4691 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
4692 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
4693 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
4694
4695 /*
4696 * Set BBP back to BW20
4697 */
4698 rt2800_bbp_read(rt2x00dev, 4, &bbp);
4699 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
4700 rt2800_bbp_write(rt2x00dev, 4, bbp);
4701 }
4702
4703 static void rt2800_normal_mode_setup_3xxx(struct rt2x00_dev *rt2x00dev)
4704 {
4705 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
4706 u8 min_gain, rfcsr, bbp;
4707 u16 eeprom;
4708
4709 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
4710
4711 rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
4712 if (rt2x00_rt(rt2x00dev, RT3070) ||
4713 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
4714 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
4715 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
4716 if (!test_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags))
4717 rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
4718 }
4719
4720 min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2;
4721 if (drv_data->txmixer_gain_24g >= min_gain) {
4722 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
4723 drv_data->txmixer_gain_24g);
4724 }
4725
4726 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
4727
4728 if (rt2x00_rt(rt2x00dev, RT3090)) {
4729 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
4730 rt2800_bbp_read(rt2x00dev, 138, &bbp);
4731 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
4732 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
4733 rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
4734 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
4735 rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
4736 rt2800_bbp_write(rt2x00dev, 138, bbp);
4737 }
4738
4739 if (rt2x00_rt(rt2x00dev, RT3070)) {
4740 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
4741 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
4742 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
4743 else
4744 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
4745 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
4746 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
4747 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
4748 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
4749 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
4750 rt2x00_rt(rt2x00dev, RT3090) ||
4751 rt2x00_rt(rt2x00dev, RT3390)) {
4752 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
4753 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
4754 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
4755 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
4756 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
4757 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
4758 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
4759
4760 rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
4761 rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
4762 rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
4763
4764 rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
4765 rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
4766 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
4767
4768 rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
4769 rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
4770 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
4771 }
4772 }
4773
4774 static void rt2800_normal_mode_setup_5xxx(struct rt2x00_dev *rt2x00dev)
4775 {
4776 u8 reg;
4777 u16 eeprom;
4778
4779 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
4780 rt2800_bbp_read(rt2x00dev, 138, &reg);
4781 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
4782 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
4783 rt2x00_set_field8(&reg, BBP138_RX_ADC1, 0);
4784 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
4785 rt2x00_set_field8(&reg, BBP138_TX_DAC1, 1);
4786 rt2800_bbp_write(rt2x00dev, 138, reg);
4787
4788 rt2800_rfcsr_read(rt2x00dev, 38, &reg);
4789 rt2x00_set_field8(&reg, RFCSR38_RX_LO1_EN, 0);
4790 rt2800_rfcsr_write(rt2x00dev, 38, reg);
4791
4792 rt2800_rfcsr_read(rt2x00dev, 39, &reg);
4793 rt2x00_set_field8(&reg, RFCSR39_RX_LO2_EN, 0);
4794 rt2800_rfcsr_write(rt2x00dev, 39, reg);
4795
4796 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
4797
4798 rt2800_rfcsr_read(rt2x00dev, 30, &reg);
4799 rt2x00_set_field8(&reg, RFCSR30_RX_VCM, 2);
4800 rt2800_rfcsr_write(rt2x00dev, 30, reg);
4801 }
4802
4803 static void rt2800_init_rfcsr_305x_soc(struct rt2x00_dev *rt2x00dev)
4804 {
4805 rt2800_rf_init_calibration(rt2x00dev, 30);
4806
4807 rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
4808 rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
4809 rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
4810 rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
4811 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
4812 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
4813 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
4814 rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
4815 rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
4816 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
4817 rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
4818 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
4819 rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
4820 rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
4821 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
4822 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
4823 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
4824 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
4825 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
4826 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
4827 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
4828 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
4829 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
4830 rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
4831 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
4832 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
4833 rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
4834 rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
4835 rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
4836 rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
4837 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
4838 rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
4839 }
4840
4841 static void rt2800_init_rfcsr_30xx(struct rt2x00_dev *rt2x00dev)
4842 {
4843 u8 rfcsr;
4844 u16 eeprom;
4845 u32 reg;
4846
4847 /* XXX vendor driver do this only for 3070 */
4848 rt2800_rf_init_calibration(rt2x00dev, 30);
4849
4850 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
4851 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
4852 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
4853 rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
4854 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
4855 rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
4856 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
4857 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
4858 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
4859 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
4860 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
4861 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
4862 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
4863 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
4864 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
4865 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
4866 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
4867 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
4868 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
4869
4870 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
4871 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
4872 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
4873 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
4874 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
4875 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
4876 rt2x00_rt(rt2x00dev, RT3090)) {
4877 rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
4878
4879 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
4880 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
4881 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
4882
4883 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
4884 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
4885 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
4886 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
4887 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
4888 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
4889 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
4890 else
4891 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
4892 }
4893 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
4894
4895 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
4896 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
4897 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
4898 }
4899
4900 rt2800_rx_filter_calibration(rt2x00dev);
4901
4902 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
4903 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
4904 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E))
4905 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
4906
4907 rt2800_led_open_drain_enable(rt2x00dev);
4908 rt2800_normal_mode_setup_3xxx(rt2x00dev);
4909 }
4910
4911 static void rt2800_init_rfcsr_3290(struct rt2x00_dev *rt2x00dev)
4912 {
4913 u8 rfcsr;
4914
4915 rt2800_rf_init_calibration(rt2x00dev, 2);
4916
4917 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
4918 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
4919 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
4920 rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
4921 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
4922 rt2800_rfcsr_write(rt2x00dev, 8, 0xf3);
4923 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
4924 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
4925 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
4926 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
4927 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
4928 rt2800_rfcsr_write(rt2x00dev, 18, 0x02);
4929 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
4930 rt2800_rfcsr_write(rt2x00dev, 25, 0x83);
4931 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
4932 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
4933 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
4934 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
4935 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
4936 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
4937 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
4938 rt2800_rfcsr_write(rt2x00dev, 34, 0x05);
4939 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
4940 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
4941 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
4942 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
4943 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
4944 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
4945 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
4946 rt2800_rfcsr_write(rt2x00dev, 43, 0x7b);
4947 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
4948 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
4949 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
4950 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
4951 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
4952 rt2800_rfcsr_write(rt2x00dev, 49, 0x98);
4953 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
4954 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
4955 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
4956 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
4957 rt2800_rfcsr_write(rt2x00dev, 56, 0x02);
4958 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
4959 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
4960 rt2800_rfcsr_write(rt2x00dev, 59, 0x09);
4961 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
4962 rt2800_rfcsr_write(rt2x00dev, 61, 0xc1);
4963
4964 rt2800_rfcsr_read(rt2x00dev, 29, &rfcsr);
4965 rt2x00_set_field8(&rfcsr, RFCSR29_RSSI_GAIN, 3);
4966 rt2800_rfcsr_write(rt2x00dev, 29, rfcsr);
4967
4968 rt2800_led_open_drain_enable(rt2x00dev);
4969 rt2800_normal_mode_setup_3xxx(rt2x00dev);
4970 }
4971
4972 static void rt2800_init_rfcsr_3352(struct rt2x00_dev *rt2x00dev)
4973 {
4974 rt2800_rf_init_calibration(rt2x00dev, 30);
4975
4976 rt2800_rfcsr_write(rt2x00dev, 0, 0xf0);
4977 rt2800_rfcsr_write(rt2x00dev, 1, 0x23);
4978 rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
4979 rt2800_rfcsr_write(rt2x00dev, 3, 0x18);
4980 rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
4981 rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
4982 rt2800_rfcsr_write(rt2x00dev, 6, 0x33);
4983 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
4984 rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
4985 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
4986 rt2800_rfcsr_write(rt2x00dev, 10, 0xd2);
4987 rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
4988 rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
4989 rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
4990 rt2800_rfcsr_write(rt2x00dev, 14, 0x5a);
4991 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
4992 rt2800_rfcsr_write(rt2x00dev, 16, 0x01);
4993 rt2800_rfcsr_write(rt2x00dev, 18, 0x45);
4994 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
4995 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
4996 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
4997 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
4998 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
4999 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
5000 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
5001 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
5002 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
5003 rt2800_rfcsr_write(rt2x00dev, 28, 0x03);
5004 rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
5005 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
5006 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
5007 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
5008 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
5009 rt2800_rfcsr_write(rt2x00dev, 34, 0x01);
5010 rt2800_rfcsr_write(rt2x00dev, 35, 0x03);
5011 rt2800_rfcsr_write(rt2x00dev, 36, 0xbd);
5012 rt2800_rfcsr_write(rt2x00dev, 37, 0x3c);
5013 rt2800_rfcsr_write(rt2x00dev, 38, 0x5f);
5014 rt2800_rfcsr_write(rt2x00dev, 39, 0xc5);
5015 rt2800_rfcsr_write(rt2x00dev, 40, 0x33);
5016 rt2800_rfcsr_write(rt2x00dev, 41, 0x5b);
5017 rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
5018 rt2800_rfcsr_write(rt2x00dev, 43, 0xdb);
5019 rt2800_rfcsr_write(rt2x00dev, 44, 0xdb);
5020 rt2800_rfcsr_write(rt2x00dev, 45, 0xdb);
5021 rt2800_rfcsr_write(rt2x00dev, 46, 0xdd);
5022 rt2800_rfcsr_write(rt2x00dev, 47, 0x0d);
5023 rt2800_rfcsr_write(rt2x00dev, 48, 0x14);
5024 rt2800_rfcsr_write(rt2x00dev, 49, 0x00);
5025 rt2800_rfcsr_write(rt2x00dev, 50, 0x2d);
5026 rt2800_rfcsr_write(rt2x00dev, 51, 0x7f);
5027 rt2800_rfcsr_write(rt2x00dev, 52, 0x00);
5028 rt2800_rfcsr_write(rt2x00dev, 53, 0x52);
5029 rt2800_rfcsr_write(rt2x00dev, 54, 0x1b);
5030 rt2800_rfcsr_write(rt2x00dev, 55, 0x7f);
5031 rt2800_rfcsr_write(rt2x00dev, 56, 0x00);
5032 rt2800_rfcsr_write(rt2x00dev, 57, 0x52);
5033 rt2800_rfcsr_write(rt2x00dev, 58, 0x1b);
5034 rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
5035 rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
5036 rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
5037 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
5038 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
5039
5040 rt2800_rx_filter_calibration(rt2x00dev);
5041 rt2800_led_open_drain_enable(rt2x00dev);
5042 rt2800_normal_mode_setup_3xxx(rt2x00dev);
5043 }
5044
5045 static void rt2800_init_rfcsr_3390(struct rt2x00_dev *rt2x00dev)
5046 {
5047 u32 reg;
5048
5049 rt2800_rf_init_calibration(rt2x00dev, 30);
5050
5051 rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
5052 rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
5053 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
5054 rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
5055 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
5056 rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
5057 rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
5058 rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
5059 rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
5060 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
5061 rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
5062 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
5063 rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
5064 rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
5065 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
5066 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
5067 rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
5068 rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
5069 rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
5070 rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
5071 rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
5072 rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
5073 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
5074 rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
5075 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
5076 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
5077 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
5078 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
5079 rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
5080 rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
5081 rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
5082 rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
5083
5084 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
5085 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
5086 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
5087
5088 rt2800_rx_filter_calibration(rt2x00dev);
5089
5090 if (rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
5091 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
5092
5093 rt2800_led_open_drain_enable(rt2x00dev);
5094 rt2800_normal_mode_setup_3xxx(rt2x00dev);
5095 }
5096
5097 static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev)
5098 {
5099 u8 rfcsr;
5100 u32 reg;
5101
5102 rt2800_rf_init_calibration(rt2x00dev, 30);
5103
5104 rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
5105 rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
5106 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
5107 rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
5108 rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
5109 rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
5110 rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
5111 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
5112 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
5113 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
5114 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
5115 rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
5116 rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
5117 rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
5118 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
5119 rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
5120 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
5121 rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
5122 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
5123 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
5124 rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
5125 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
5126 rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
5127 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
5128 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
5129 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
5130 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
5131 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
5132 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
5133 rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
5134 rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
5135
5136 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
5137 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
5138 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
5139
5140 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
5141 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
5142 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
5143 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
5144 msleep(1);
5145 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
5146 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
5147 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
5148 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
5149
5150 rt2800_rx_filter_calibration(rt2x00dev);
5151 rt2800_led_open_drain_enable(rt2x00dev);
5152 rt2800_normal_mode_setup_3xxx(rt2x00dev);
5153 }
5154
5155 static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
5156 {
5157 rt2800_rf_init_calibration(rt2x00dev, 2);
5158
5159 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
5160 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
5161 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
5162 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
5163 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5164 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
5165 else
5166 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
5167 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
5168 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
5169 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
5170 rt2800_rfcsr_write(rt2x00dev, 12, 0xc6);
5171 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
5172 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
5173 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
5174 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
5175 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
5176 rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
5177
5178 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
5179 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
5180 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
5181 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
5182 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
5183 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5184 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
5185 else
5186 rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
5187 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
5188 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
5189 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
5190 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
5191
5192 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
5193 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
5194 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
5195 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
5196 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
5197 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
5198 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
5199 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
5200 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
5201 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
5202
5203 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5204 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
5205 else
5206 rt2800_rfcsr_write(rt2x00dev, 40, 0x4b);
5207 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
5208 rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
5209 rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
5210 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
5211 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
5212 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5213 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
5214 else
5215 rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
5216 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
5217 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
5218 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
5219
5220 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
5221 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5222 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
5223 else
5224 rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
5225 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
5226 rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
5227 rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
5228 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
5229 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
5230 rt2800_rfcsr_write(rt2x00dev, 59, 0x63);
5231
5232 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
5233 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5234 rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
5235 else
5236 rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
5237 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
5238 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
5239
5240 rt2800_normal_mode_setup_5xxx(rt2x00dev);
5241
5242 rt2800_led_open_drain_enable(rt2x00dev);
5243 }
5244
5245 static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev)
5246 {
5247 rt2800_rf_init_calibration(rt2x00dev, 2);
5248
5249 rt2800_rfcsr_write(rt2x00dev, 1, 0x17);
5250 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
5251 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
5252 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
5253 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
5254 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
5255 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
5256 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
5257 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
5258 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
5259 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
5260 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
5261 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
5262 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
5263 rt2800_rfcsr_write(rt2x00dev, 19, 0x4d);
5264 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
5265 rt2800_rfcsr_write(rt2x00dev, 21, 0x8d);
5266 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
5267 rt2800_rfcsr_write(rt2x00dev, 23, 0x0b);
5268 rt2800_rfcsr_write(rt2x00dev, 24, 0x44);
5269 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
5270 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
5271 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
5272 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
5273 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
5274 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
5275 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
5276 rt2800_rfcsr_write(rt2x00dev, 32, 0x20);
5277 rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
5278 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
5279 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
5280 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
5281 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
5282 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
5283 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
5284 rt2800_rfcsr_write(rt2x00dev, 40, 0x0f);
5285 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
5286 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
5287 rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
5288 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
5289 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
5290 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
5291 rt2800_rfcsr_write(rt2x00dev, 47, 0x0c);
5292 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
5293 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
5294 rt2800_rfcsr_write(rt2x00dev, 50, 0x94);
5295 rt2800_rfcsr_write(rt2x00dev, 51, 0x3a);
5296 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
5297 rt2800_rfcsr_write(rt2x00dev, 53, 0x44);
5298 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
5299 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
5300 rt2800_rfcsr_write(rt2x00dev, 56, 0xa1);
5301 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
5302 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
5303 rt2800_rfcsr_write(rt2x00dev, 59, 0x07);
5304 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
5305 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
5306 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
5307 rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
5308
5309 rt2800_normal_mode_setup_5xxx(rt2x00dev);
5310
5311 rt2800_led_open_drain_enable(rt2x00dev);
5312 }
5313
5314 static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev)
5315 {
5316 rt2800_rf_init_calibration(rt2x00dev, 30);
5317
5318 rt2800_rfcsr_write(rt2x00dev, 1, 0x3F);
5319 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
5320 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
5321 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
5322 rt2800_rfcsr_write(rt2x00dev, 6, 0xE4);
5323 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
5324 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
5325 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
5326 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
5327 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
5328 rt2800_rfcsr_write(rt2x00dev, 19, 0x4D);
5329 rt2800_rfcsr_write(rt2x00dev, 20, 0x10);
5330 rt2800_rfcsr_write(rt2x00dev, 21, 0x8D);
5331 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
5332 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
5333 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
5334 rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
5335 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
5336 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
5337 rt2800_rfcsr_write(rt2x00dev, 47, 0x0C);
5338 rt2800_rfcsr_write(rt2x00dev, 53, 0x22);
5339 rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
5340
5341 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
5342 msleep(1);
5343
5344 rt2800_adjust_freq_offset(rt2x00dev);
5345
5346 /* Enable DC filter */
5347 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
5348 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5349
5350 rt2800_normal_mode_setup_5xxx(rt2x00dev);
5351
5352 if (rt2x00_rt_rev_lt(rt2x00dev, RT5592, REV_RT5592C))
5353 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
5354
5355 rt2800_led_open_drain_enable(rt2x00dev);
5356 }
5357
5358 static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
5359 {
5360 if (rt2800_is_305x_soc(rt2x00dev)) {
5361 rt2800_init_rfcsr_305x_soc(rt2x00dev);
5362 return;
5363 }
5364
5365 switch (rt2x00dev->chip.rt) {
5366 case RT3070:
5367 case RT3071:
5368 case RT3090:
5369 rt2800_init_rfcsr_30xx(rt2x00dev);
5370 break;
5371 case RT3290:
5372 rt2800_init_rfcsr_3290(rt2x00dev);
5373 break;
5374 case RT3352:
5375 rt2800_init_rfcsr_3352(rt2x00dev);
5376 break;
5377 case RT3390:
5378 rt2800_init_rfcsr_3390(rt2x00dev);
5379 break;
5380 case RT3572:
5381 rt2800_init_rfcsr_3572(rt2x00dev);
5382 break;
5383 case RT5390:
5384 rt2800_init_rfcsr_5390(rt2x00dev);
5385 break;
5386 case RT5392:
5387 rt2800_init_rfcsr_5392(rt2x00dev);
5388 break;
5389 case RT5592:
5390 rt2800_init_rfcsr_5592(rt2x00dev);
5391 break;
5392 }
5393 }
5394
5395 int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
5396 {
5397 u32 reg;
5398 u16 word;
5399
5400 /*
5401 * Initialize all registers.
5402 */
5403 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
5404 rt2800_init_registers(rt2x00dev)))
5405 return -EIO;
5406
5407 /*
5408 * Send signal to firmware during boot time.
5409 */
5410 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
5411 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
5412 if (rt2x00_is_usb(rt2x00dev)) {
5413 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
5414 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
5415 }
5416 msleep(1);
5417
5418 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
5419 rt2800_wait_bbp_ready(rt2x00dev)))
5420 return -EIO;
5421
5422 rt2800_init_bbp(rt2x00dev);
5423 rt2800_init_rfcsr(rt2x00dev);
5424
5425 if (rt2x00_is_usb(rt2x00dev) &&
5426 (rt2x00_rt(rt2x00dev, RT3070) ||
5427 rt2x00_rt(rt2x00dev, RT3071) ||
5428 rt2x00_rt(rt2x00dev, RT3572))) {
5429 udelay(200);
5430 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
5431 udelay(10);
5432 }
5433
5434 /*
5435 * Enable RX.
5436 */
5437 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
5438 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
5439 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
5440 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
5441
5442 udelay(50);
5443
5444 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
5445 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
5446 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
5447 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
5448 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
5449 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
5450
5451 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
5452 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
5453 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
5454 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
5455
5456 /*
5457 * Initialize LED control
5458 */
5459 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF, &word);
5460 rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
5461 word & 0xff, (word >> 8) & 0xff);
5462
5463 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF, &word);
5464 rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
5465 word & 0xff, (word >> 8) & 0xff);
5466
5467 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY, &word);
5468 rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
5469 word & 0xff, (word >> 8) & 0xff);
5470
5471 return 0;
5472 }
5473 EXPORT_SYMBOL_GPL(rt2800_enable_radio);
5474
5475 void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
5476 {
5477 u32 reg;
5478
5479 rt2800_disable_wpdma(rt2x00dev);
5480
5481 /* Wait for DMA, ignore error */
5482 rt2800_wait_wpdma_ready(rt2x00dev);
5483
5484 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
5485 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
5486 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
5487 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
5488 }
5489 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
5490
5491 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
5492 {
5493 u32 reg;
5494 u16 efuse_ctrl_reg;
5495
5496 if (rt2x00_rt(rt2x00dev, RT3290))
5497 efuse_ctrl_reg = EFUSE_CTRL_3290;
5498 else
5499 efuse_ctrl_reg = EFUSE_CTRL;
5500
5501 rt2800_register_read(rt2x00dev, efuse_ctrl_reg, &reg);
5502 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
5503 }
5504 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
5505
5506 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
5507 {
5508 u32 reg;
5509 u16 efuse_ctrl_reg;
5510 u16 efuse_data0_reg;
5511 u16 efuse_data1_reg;
5512 u16 efuse_data2_reg;
5513 u16 efuse_data3_reg;
5514
5515 if (rt2x00_rt(rt2x00dev, RT3290)) {
5516 efuse_ctrl_reg = EFUSE_CTRL_3290;
5517 efuse_data0_reg = EFUSE_DATA0_3290;
5518 efuse_data1_reg = EFUSE_DATA1_3290;
5519 efuse_data2_reg = EFUSE_DATA2_3290;
5520 efuse_data3_reg = EFUSE_DATA3_3290;
5521 } else {
5522 efuse_ctrl_reg = EFUSE_CTRL;
5523 efuse_data0_reg = EFUSE_DATA0;
5524 efuse_data1_reg = EFUSE_DATA1;
5525 efuse_data2_reg = EFUSE_DATA2;
5526 efuse_data3_reg = EFUSE_DATA3;
5527 }
5528 mutex_lock(&rt2x00dev->csr_mutex);
5529
5530 rt2800_register_read_lock(rt2x00dev, efuse_ctrl_reg, &reg);
5531 rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
5532 rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
5533 rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
5534 rt2800_register_write_lock(rt2x00dev, efuse_ctrl_reg, reg);
5535
5536 /* Wait until the EEPROM has been loaded */
5537 rt2800_regbusy_read(rt2x00dev, efuse_ctrl_reg, EFUSE_CTRL_KICK, &reg);
5538 /* Apparently the data is read from end to start */
5539 rt2800_register_read_lock(rt2x00dev, efuse_data3_reg, &reg);
5540 /* The returned value is in CPU order, but eeprom is le */
5541 *(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
5542 rt2800_register_read_lock(rt2x00dev, efuse_data2_reg, &reg);
5543 *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
5544 rt2800_register_read_lock(rt2x00dev, efuse_data1_reg, &reg);
5545 *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
5546 rt2800_register_read_lock(rt2x00dev, efuse_data0_reg, &reg);
5547 *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
5548
5549 mutex_unlock(&rt2x00dev->csr_mutex);
5550 }
5551
5552 int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
5553 {
5554 unsigned int i;
5555
5556 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
5557 rt2800_efuse_read(rt2x00dev, i);
5558
5559 return 0;
5560 }
5561 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
5562
5563 static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
5564 {
5565 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5566 u16 word;
5567 u8 *mac;
5568 u8 default_lna_gain;
5569 int retval;
5570
5571 /*
5572 * Read the EEPROM.
5573 */
5574 retval = rt2800_read_eeprom(rt2x00dev);
5575 if (retval)
5576 return retval;
5577
5578 /*
5579 * Start validation of the data that has been read.
5580 */
5581 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
5582 if (!is_valid_ether_addr(mac)) {
5583 eth_random_addr(mac);
5584 rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
5585 }
5586
5587 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word);
5588 if (word == 0xffff) {
5589 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
5590 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
5591 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
5592 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
5593 rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word);
5594 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
5595 rt2x00_rt(rt2x00dev, RT2872)) {
5596 /*
5597 * There is a max of 2 RX streams for RT28x0 series
5598 */
5599 if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
5600 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
5601 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
5602 }
5603
5604 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &word);
5605 if (word == 0xffff) {
5606 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
5607 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
5608 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
5609 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
5610 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
5611 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
5612 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
5613 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
5614 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
5615 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
5616 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
5617 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
5618 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
5619 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
5620 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
5621 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
5622 rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word);
5623 }
5624
5625 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
5626 if ((word & 0x00ff) == 0x00ff) {
5627 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
5628 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
5629 rt2x00_eeprom_dbg(rt2x00dev, "Freq: 0x%04x\n", word);
5630 }
5631 if ((word & 0xff00) == 0xff00) {
5632 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
5633 LED_MODE_TXRX_ACTIVITY);
5634 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
5635 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
5636 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
5637 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
5638 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
5639 rt2x00_eeprom_dbg(rt2x00dev, "Led Mode: 0x%04x\n", word);
5640 }
5641
5642 /*
5643 * During the LNA validation we are going to use
5644 * lna0 as correct value. Note that EEPROM_LNA
5645 * is never validated.
5646 */
5647 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
5648 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
5649
5650 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
5651 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
5652 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
5653 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
5654 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
5655 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
5656
5657 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &word);
5658 if ((word & 0x00ff) != 0x00ff) {
5659 drv_data->txmixer_gain_24g =
5660 rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
5661 } else {
5662 drv_data->txmixer_gain_24g = 0;
5663 }
5664
5665 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
5666 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
5667 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
5668 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
5669 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
5670 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
5671 default_lna_gain);
5672 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
5673
5674 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A, &word);
5675 if ((word & 0x00ff) != 0x00ff) {
5676 drv_data->txmixer_gain_5g =
5677 rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
5678 } else {
5679 drv_data->txmixer_gain_5g = 0;
5680 }
5681
5682 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
5683 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
5684 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
5685 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
5686 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
5687 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
5688
5689 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
5690 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
5691 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
5692 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
5693 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
5694 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
5695 default_lna_gain);
5696 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
5697
5698 return 0;
5699 }
5700
5701 static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
5702 {
5703 u16 value;
5704 u16 eeprom;
5705 u16 rf;
5706
5707 /*
5708 * Read EEPROM word for configuration.
5709 */
5710 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5711
5712 /*
5713 * Identify RF chipset by EEPROM value
5714 * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
5715 * RT53xx: defined in "EEPROM_CHIP_ID" field
5716 */
5717 if (rt2x00_rt(rt2x00dev, RT3290) ||
5718 rt2x00_rt(rt2x00dev, RT5390) ||
5719 rt2x00_rt(rt2x00dev, RT5392))
5720 rt2x00_eeprom_read(rt2x00dev, EEPROM_CHIP_ID, &rf);
5721 else
5722 rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
5723
5724 switch (rf) {
5725 case RF2820:
5726 case RF2850:
5727 case RF2720:
5728 case RF2750:
5729 case RF3020:
5730 case RF2020:
5731 case RF3021:
5732 case RF3022:
5733 case RF3052:
5734 case RF3290:
5735 case RF3320:
5736 case RF3322:
5737 case RF5360:
5738 case RF5370:
5739 case RF5372:
5740 case RF5390:
5741 case RF5392:
5742 case RF5592:
5743 break;
5744 default:
5745 rt2x00_err(rt2x00dev, "Invalid RF chipset 0x%04x detected\n",
5746 rf);
5747 return -ENODEV;
5748 }
5749
5750 rt2x00_set_rf(rt2x00dev, rf);
5751
5752 /*
5753 * Identify default antenna configuration.
5754 */
5755 rt2x00dev->default_ant.tx_chain_num =
5756 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
5757 rt2x00dev->default_ant.rx_chain_num =
5758 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
5759
5760 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
5761
5762 if (rt2x00_rt(rt2x00dev, RT3070) ||
5763 rt2x00_rt(rt2x00dev, RT3090) ||
5764 rt2x00_rt(rt2x00dev, RT3352) ||
5765 rt2x00_rt(rt2x00dev, RT3390)) {
5766 value = rt2x00_get_field16(eeprom,
5767 EEPROM_NIC_CONF1_ANT_DIVERSITY);
5768 switch (value) {
5769 case 0:
5770 case 1:
5771 case 2:
5772 rt2x00dev->default_ant.tx = ANTENNA_A;
5773 rt2x00dev->default_ant.rx = ANTENNA_A;
5774 break;
5775 case 3:
5776 rt2x00dev->default_ant.tx = ANTENNA_A;
5777 rt2x00dev->default_ant.rx = ANTENNA_B;
5778 break;
5779 }
5780 } else {
5781 rt2x00dev->default_ant.tx = ANTENNA_A;
5782 rt2x00dev->default_ant.rx = ANTENNA_A;
5783 }
5784
5785 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
5786 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; /* Unused */
5787 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; /* Unused */
5788 }
5789
5790 /*
5791 * Determine external LNA informations.
5792 */
5793 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
5794 __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
5795 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
5796 __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
5797
5798 /*
5799 * Detect if this device has an hardware controlled radio.
5800 */
5801 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
5802 __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
5803
5804 /*
5805 * Detect if this device has Bluetooth co-existence.
5806 */
5807 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
5808 __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
5809
5810 /*
5811 * Read frequency offset and RF programming sequence.
5812 */
5813 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
5814 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
5815
5816 /*
5817 * Store led settings, for correct led behaviour.
5818 */
5819 #ifdef CONFIG_RT2X00_LIB_LEDS
5820 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
5821 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
5822 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
5823
5824 rt2x00dev->led_mcu_reg = eeprom;
5825 #endif /* CONFIG_RT2X00_LIB_LEDS */
5826
5827 /*
5828 * Check if support EIRP tx power limit feature.
5829 */
5830 rt2x00_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom);
5831
5832 if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
5833 EIRP_MAX_TX_POWER_LIMIT)
5834 __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
5835
5836 return 0;
5837 }
5838
5839 /*
5840 * RF value list for rt28xx
5841 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
5842 */
5843 static const struct rf_channel rf_vals[] = {
5844 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
5845 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
5846 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
5847 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
5848 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
5849 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
5850 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
5851 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
5852 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
5853 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
5854 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
5855 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
5856 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
5857 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
5858
5859 /* 802.11 UNI / HyperLan 2 */
5860 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
5861 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
5862 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
5863 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
5864 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
5865 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
5866 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
5867 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
5868 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
5869 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
5870 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
5871 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
5872
5873 /* 802.11 HyperLan 2 */
5874 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
5875 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
5876 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
5877 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
5878 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
5879 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
5880 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
5881 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
5882 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
5883 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
5884 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
5885 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
5886 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
5887 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
5888 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
5889 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
5890
5891 /* 802.11 UNII */
5892 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
5893 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
5894 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
5895 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
5896 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
5897 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
5898 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
5899 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
5900 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
5901 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
5902 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
5903
5904 /* 802.11 Japan */
5905 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
5906 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
5907 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
5908 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
5909 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
5910 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
5911 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
5912 };
5913
5914 /*
5915 * RF value list for rt3xxx
5916 * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052)
5917 */
5918 static const struct rf_channel rf_vals_3x[] = {
5919 {1, 241, 2, 2 },
5920 {2, 241, 2, 7 },
5921 {3, 242, 2, 2 },
5922 {4, 242, 2, 7 },
5923 {5, 243, 2, 2 },
5924 {6, 243, 2, 7 },
5925 {7, 244, 2, 2 },
5926 {8, 244, 2, 7 },
5927 {9, 245, 2, 2 },
5928 {10, 245, 2, 7 },
5929 {11, 246, 2, 2 },
5930 {12, 246, 2, 7 },
5931 {13, 247, 2, 2 },
5932 {14, 248, 2, 4 },
5933
5934 /* 802.11 UNI / HyperLan 2 */
5935 {36, 0x56, 0, 4},
5936 {38, 0x56, 0, 6},
5937 {40, 0x56, 0, 8},
5938 {44, 0x57, 0, 0},
5939 {46, 0x57, 0, 2},
5940 {48, 0x57, 0, 4},
5941 {52, 0x57, 0, 8},
5942 {54, 0x57, 0, 10},
5943 {56, 0x58, 0, 0},
5944 {60, 0x58, 0, 4},
5945 {62, 0x58, 0, 6},
5946 {64, 0x58, 0, 8},
5947
5948 /* 802.11 HyperLan 2 */
5949 {100, 0x5b, 0, 8},
5950 {102, 0x5b, 0, 10},
5951 {104, 0x5c, 0, 0},
5952 {108, 0x5c, 0, 4},
5953 {110, 0x5c, 0, 6},
5954 {112, 0x5c, 0, 8},
5955 {116, 0x5d, 0, 0},
5956 {118, 0x5d, 0, 2},
5957 {120, 0x5d, 0, 4},
5958 {124, 0x5d, 0, 8},
5959 {126, 0x5d, 0, 10},
5960 {128, 0x5e, 0, 0},
5961 {132, 0x5e, 0, 4},
5962 {134, 0x5e, 0, 6},
5963 {136, 0x5e, 0, 8},
5964 {140, 0x5f, 0, 0},
5965
5966 /* 802.11 UNII */
5967 {149, 0x5f, 0, 9},
5968 {151, 0x5f, 0, 11},
5969 {153, 0x60, 0, 1},
5970 {157, 0x60, 0, 5},
5971 {159, 0x60, 0, 7},
5972 {161, 0x60, 0, 9},
5973 {165, 0x61, 0, 1},
5974 {167, 0x61, 0, 3},
5975 {169, 0x61, 0, 5},
5976 {171, 0x61, 0, 7},
5977 {173, 0x61, 0, 9},
5978 };
5979
5980 static const struct rf_channel rf_vals_5592_xtal20[] = {
5981 /* Channel, N, K, mod, R */
5982 {1, 482, 4, 10, 3},
5983 {2, 483, 4, 10, 3},
5984 {3, 484, 4, 10, 3},
5985 {4, 485, 4, 10, 3},
5986 {5, 486, 4, 10, 3},
5987 {6, 487, 4, 10, 3},
5988 {7, 488, 4, 10, 3},
5989 {8, 489, 4, 10, 3},
5990 {9, 490, 4, 10, 3},
5991 {10, 491, 4, 10, 3},
5992 {11, 492, 4, 10, 3},
5993 {12, 493, 4, 10, 3},
5994 {13, 494, 4, 10, 3},
5995 {14, 496, 8, 10, 3},
5996 {36, 172, 8, 12, 1},
5997 {38, 173, 0, 12, 1},
5998 {40, 173, 4, 12, 1},
5999 {42, 173, 8, 12, 1},
6000 {44, 174, 0, 12, 1},
6001 {46, 174, 4, 12, 1},
6002 {48, 174, 8, 12, 1},
6003 {50, 175, 0, 12, 1},
6004 {52, 175, 4, 12, 1},
6005 {54, 175, 8, 12, 1},
6006 {56, 176, 0, 12, 1},
6007 {58, 176, 4, 12, 1},
6008 {60, 176, 8, 12, 1},
6009 {62, 177, 0, 12, 1},
6010 {64, 177, 4, 12, 1},
6011 {100, 183, 4, 12, 1},
6012 {102, 183, 8, 12, 1},
6013 {104, 184, 0, 12, 1},
6014 {106, 184, 4, 12, 1},
6015 {108, 184, 8, 12, 1},
6016 {110, 185, 0, 12, 1},
6017 {112, 185, 4, 12, 1},
6018 {114, 185, 8, 12, 1},
6019 {116, 186, 0, 12, 1},
6020 {118, 186, 4, 12, 1},
6021 {120, 186, 8, 12, 1},
6022 {122, 187, 0, 12, 1},
6023 {124, 187, 4, 12, 1},
6024 {126, 187, 8, 12, 1},
6025 {128, 188, 0, 12, 1},
6026 {130, 188, 4, 12, 1},
6027 {132, 188, 8, 12, 1},
6028 {134, 189, 0, 12, 1},
6029 {136, 189, 4, 12, 1},
6030 {138, 189, 8, 12, 1},
6031 {140, 190, 0, 12, 1},
6032 {149, 191, 6, 12, 1},
6033 {151, 191, 10, 12, 1},
6034 {153, 192, 2, 12, 1},
6035 {155, 192, 6, 12, 1},
6036 {157, 192, 10, 12, 1},
6037 {159, 193, 2, 12, 1},
6038 {161, 193, 6, 12, 1},
6039 {165, 194, 2, 12, 1},
6040 {184, 164, 0, 12, 1},
6041 {188, 164, 4, 12, 1},
6042 {192, 165, 8, 12, 1},
6043 {196, 166, 0, 12, 1},
6044 };
6045
6046 static const struct rf_channel rf_vals_5592_xtal40[] = {
6047 /* Channel, N, K, mod, R */
6048 {1, 241, 2, 10, 3},
6049 {2, 241, 7, 10, 3},
6050 {3, 242, 2, 10, 3},
6051 {4, 242, 7, 10, 3},
6052 {5, 243, 2, 10, 3},
6053 {6, 243, 7, 10, 3},
6054 {7, 244, 2, 10, 3},
6055 {8, 244, 7, 10, 3},
6056 {9, 245, 2, 10, 3},
6057 {10, 245, 7, 10, 3},
6058 {11, 246, 2, 10, 3},
6059 {12, 246, 7, 10, 3},
6060 {13, 247, 2, 10, 3},
6061 {14, 248, 4, 10, 3},
6062 {36, 86, 4, 12, 1},
6063 {38, 86, 6, 12, 1},
6064 {40, 86, 8, 12, 1},
6065 {42, 86, 10, 12, 1},
6066 {44, 87, 0, 12, 1},
6067 {46, 87, 2, 12, 1},
6068 {48, 87, 4, 12, 1},
6069 {50, 87, 6, 12, 1},
6070 {52, 87, 8, 12, 1},
6071 {54, 87, 10, 12, 1},
6072 {56, 88, 0, 12, 1},
6073 {58, 88, 2, 12, 1},
6074 {60, 88, 4, 12, 1},
6075 {62, 88, 6, 12, 1},
6076 {64, 88, 8, 12, 1},
6077 {100, 91, 8, 12, 1},
6078 {102, 91, 10, 12, 1},
6079 {104, 92, 0, 12, 1},
6080 {106, 92, 2, 12, 1},
6081 {108, 92, 4, 12, 1},
6082 {110, 92, 6, 12, 1},
6083 {112, 92, 8, 12, 1},
6084 {114, 92, 10, 12, 1},
6085 {116, 93, 0, 12, 1},
6086 {118, 93, 2, 12, 1},
6087 {120, 93, 4, 12, 1},
6088 {122, 93, 6, 12, 1},
6089 {124, 93, 8, 12, 1},
6090 {126, 93, 10, 12, 1},
6091 {128, 94, 0, 12, 1},
6092 {130, 94, 2, 12, 1},
6093 {132, 94, 4, 12, 1},
6094 {134, 94, 6, 12, 1},
6095 {136, 94, 8, 12, 1},
6096 {138, 94, 10, 12, 1},
6097 {140, 95, 0, 12, 1},
6098 {149, 95, 9, 12, 1},
6099 {151, 95, 11, 12, 1},
6100 {153, 96, 1, 12, 1},
6101 {155, 96, 3, 12, 1},
6102 {157, 96, 5, 12, 1},
6103 {159, 96, 7, 12, 1},
6104 {161, 96, 9, 12, 1},
6105 {165, 97, 1, 12, 1},
6106 {184, 82, 0, 12, 1},
6107 {188, 82, 4, 12, 1},
6108 {192, 82, 8, 12, 1},
6109 {196, 83, 0, 12, 1},
6110 };
6111
6112 static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
6113 {
6114 struct hw_mode_spec *spec = &rt2x00dev->spec;
6115 struct channel_info *info;
6116 char *default_power1;
6117 char *default_power2;
6118 unsigned int i;
6119 u16 eeprom;
6120 u32 reg;
6121
6122 /*
6123 * Disable powersaving as default on PCI devices.
6124 */
6125 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
6126 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
6127
6128 /*
6129 * Initialize all hw fields.
6130 */
6131 rt2x00dev->hw->flags =
6132 IEEE80211_HW_SIGNAL_DBM |
6133 IEEE80211_HW_SUPPORTS_PS |
6134 IEEE80211_HW_PS_NULLFUNC_STACK |
6135 IEEE80211_HW_AMPDU_AGGREGATION |
6136 IEEE80211_HW_REPORTS_TX_ACK_STATUS;
6137
6138 /*
6139 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
6140 * unless we are capable of sending the buffered frames out after the
6141 * DTIM transmission using rt2x00lib_beacondone. This will send out
6142 * multicast and broadcast traffic immediately instead of buffering it
6143 * infinitly and thus dropping it after some time.
6144 */
6145 if (!rt2x00_is_usb(rt2x00dev))
6146 rt2x00dev->hw->flags |=
6147 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
6148
6149 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
6150 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
6151 rt2x00_eeprom_addr(rt2x00dev,
6152 EEPROM_MAC_ADDR_0));
6153
6154 /*
6155 * As rt2800 has a global fallback table we cannot specify
6156 * more then one tx rate per frame but since the hw will
6157 * try several rates (based on the fallback table) we should
6158 * initialize max_report_rates to the maximum number of rates
6159 * we are going to try. Otherwise mac80211 will truncate our
6160 * reported tx rates and the rc algortihm will end up with
6161 * incorrect data.
6162 */
6163 rt2x00dev->hw->max_rates = 1;
6164 rt2x00dev->hw->max_report_rates = 7;
6165 rt2x00dev->hw->max_rate_tries = 1;
6166
6167 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
6168
6169 /*
6170 * Initialize hw_mode information.
6171 */
6172 spec->supported_bands = SUPPORT_BAND_2GHZ;
6173 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
6174
6175 if (rt2x00_rf(rt2x00dev, RF2820) ||
6176 rt2x00_rf(rt2x00dev, RF2720)) {
6177 spec->num_channels = 14;
6178 spec->channels = rf_vals;
6179 } else if (rt2x00_rf(rt2x00dev, RF2850) ||
6180 rt2x00_rf(rt2x00dev, RF2750)) {
6181 spec->supported_bands |= SUPPORT_BAND_5GHZ;
6182 spec->num_channels = ARRAY_SIZE(rf_vals);
6183 spec->channels = rf_vals;
6184 } else if (rt2x00_rf(rt2x00dev, RF3020) ||
6185 rt2x00_rf(rt2x00dev, RF2020) ||
6186 rt2x00_rf(rt2x00dev, RF3021) ||
6187 rt2x00_rf(rt2x00dev, RF3022) ||
6188 rt2x00_rf(rt2x00dev, RF3290) ||
6189 rt2x00_rf(rt2x00dev, RF3320) ||
6190 rt2x00_rf(rt2x00dev, RF3322) ||
6191 rt2x00_rf(rt2x00dev, RF5360) ||
6192 rt2x00_rf(rt2x00dev, RF5370) ||
6193 rt2x00_rf(rt2x00dev, RF5372) ||
6194 rt2x00_rf(rt2x00dev, RF5390) ||
6195 rt2x00_rf(rt2x00dev, RF5392)) {
6196 spec->num_channels = 14;
6197 spec->channels = rf_vals_3x;
6198 } else if (rt2x00_rf(rt2x00dev, RF3052)) {
6199 spec->supported_bands |= SUPPORT_BAND_5GHZ;
6200 spec->num_channels = ARRAY_SIZE(rf_vals_3x);
6201 spec->channels = rf_vals_3x;
6202 } else if (rt2x00_rf(rt2x00dev, RF5592)) {
6203 spec->supported_bands |= SUPPORT_BAND_5GHZ;
6204
6205 rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX, &reg);
6206 if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) {
6207 spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal40);
6208 spec->channels = rf_vals_5592_xtal40;
6209 } else {
6210 spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal20);
6211 spec->channels = rf_vals_5592_xtal20;
6212 }
6213 }
6214
6215 if (WARN_ON_ONCE(!spec->channels))
6216 return -ENODEV;
6217
6218 /*
6219 * Initialize HT information.
6220 */
6221 if (!rt2x00_rf(rt2x00dev, RF2020))
6222 spec->ht.ht_supported = true;
6223 else
6224 spec->ht.ht_supported = false;
6225
6226 spec->ht.cap =
6227 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
6228 IEEE80211_HT_CAP_GRN_FLD |
6229 IEEE80211_HT_CAP_SGI_20 |
6230 IEEE80211_HT_CAP_SGI_40;
6231
6232 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) >= 2)
6233 spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
6234
6235 spec->ht.cap |=
6236 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) <<
6237 IEEE80211_HT_CAP_RX_STBC_SHIFT;
6238
6239 spec->ht.ampdu_factor = 3;
6240 spec->ht.ampdu_density = 4;
6241 spec->ht.mcs.tx_params =
6242 IEEE80211_HT_MCS_TX_DEFINED |
6243 IEEE80211_HT_MCS_TX_RX_DIFF |
6244 ((rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) - 1) <<
6245 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
6246
6247 switch (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH)) {
6248 case 3:
6249 spec->ht.mcs.rx_mask[2] = 0xff;
6250 case 2:
6251 spec->ht.mcs.rx_mask[1] = 0xff;
6252 case 1:
6253 spec->ht.mcs.rx_mask[0] = 0xff;
6254 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
6255 break;
6256 }
6257
6258 /*
6259 * Create channel information array
6260 */
6261 info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
6262 if (!info)
6263 return -ENOMEM;
6264
6265 spec->channels_info = info;
6266
6267 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
6268 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
6269
6270 for (i = 0; i < 14; i++) {
6271 info[i].default_power1 = default_power1[i];
6272 info[i].default_power2 = default_power2[i];
6273 }
6274
6275 if (spec->num_channels > 14) {
6276 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
6277 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
6278
6279 for (i = 14; i < spec->num_channels; i++) {
6280 info[i].default_power1 = default_power1[i - 14];
6281 info[i].default_power2 = default_power2[i - 14];
6282 }
6283 }
6284
6285 switch (rt2x00dev->chip.rf) {
6286 case RF2020:
6287 case RF3020:
6288 case RF3021:
6289 case RF3022:
6290 case RF3320:
6291 case RF3052:
6292 case RF3290:
6293 case RF5360:
6294 case RF5370:
6295 case RF5372:
6296 case RF5390:
6297 case RF5392:
6298 __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags);
6299 break;
6300 }
6301
6302 return 0;
6303 }
6304
6305 static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev)
6306 {
6307 u32 reg;
6308 u32 rt;
6309 u32 rev;
6310
6311 if (rt2x00_rt(rt2x00dev, RT3290))
6312 rt2800_register_read(rt2x00dev, MAC_CSR0_3290, &reg);
6313 else
6314 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
6315
6316 rt = rt2x00_get_field32(reg, MAC_CSR0_CHIPSET);
6317 rev = rt2x00_get_field32(reg, MAC_CSR0_REVISION);
6318
6319 switch (rt) {
6320 case RT2860:
6321 case RT2872:
6322 case RT2883:
6323 case RT3070:
6324 case RT3071:
6325 case RT3090:
6326 case RT3290:
6327 case RT3352:
6328 case RT3390:
6329 case RT3572:
6330 case RT5390:
6331 case RT5392:
6332 case RT5592:
6333 break;
6334 default:
6335 rt2x00_err(rt2x00dev, "Invalid RT chipset 0x%04x, rev %04x detected\n",
6336 rt, rev);
6337 return -ENODEV;
6338 }
6339
6340 rt2x00_set_rt(rt2x00dev, rt, rev);
6341
6342 return 0;
6343 }
6344
6345 int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
6346 {
6347 int retval;
6348 u32 reg;
6349
6350 retval = rt2800_probe_rt(rt2x00dev);
6351 if (retval)
6352 return retval;
6353
6354 /*
6355 * Allocate eeprom data.
6356 */
6357 retval = rt2800_validate_eeprom(rt2x00dev);
6358 if (retval)
6359 return retval;
6360
6361 retval = rt2800_init_eeprom(rt2x00dev);
6362 if (retval)
6363 return retval;
6364
6365 /*
6366 * Enable rfkill polling by setting GPIO direction of the
6367 * rfkill switch GPIO pin correctly.
6368 */
6369 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
6370 rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
6371 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
6372
6373 /*
6374 * Initialize hw specifications.
6375 */
6376 retval = rt2800_probe_hw_mode(rt2x00dev);
6377 if (retval)
6378 return retval;
6379
6380 /*
6381 * Set device capabilities.
6382 */
6383 __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
6384 __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
6385 if (!rt2x00_is_usb(rt2x00dev))
6386 __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
6387
6388 /*
6389 * Set device requirements.
6390 */
6391 if (!rt2x00_is_soc(rt2x00dev))
6392 __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
6393 __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
6394 __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
6395 if (!rt2800_hwcrypt_disabled(rt2x00dev))
6396 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
6397 __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
6398 __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
6399 if (rt2x00_is_usb(rt2x00dev))
6400 __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
6401 else {
6402 __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
6403 __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
6404 }
6405
6406 /*
6407 * Set the rssi offset.
6408 */
6409 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
6410
6411 return 0;
6412 }
6413 EXPORT_SYMBOL_GPL(rt2800_probe_hw);
6414
6415 /*
6416 * IEEE80211 stack callback functions.
6417 */
6418 void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32,
6419 u16 *iv16)
6420 {
6421 struct rt2x00_dev *rt2x00dev = hw->priv;
6422 struct mac_iveiv_entry iveiv_entry;
6423 u32 offset;
6424
6425 offset = MAC_IVEIV_ENTRY(hw_key_idx);
6426 rt2800_register_multiread(rt2x00dev, offset,
6427 &iveiv_entry, sizeof(iveiv_entry));
6428
6429 memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16));
6430 memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32));
6431 }
6432 EXPORT_SYMBOL_GPL(rt2800_get_tkip_seq);
6433
6434 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
6435 {
6436 struct rt2x00_dev *rt2x00dev = hw->priv;
6437 u32 reg;
6438 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
6439
6440 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
6441 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
6442 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
6443
6444 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
6445 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
6446 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
6447
6448 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
6449 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
6450 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
6451
6452 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
6453 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
6454 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
6455
6456 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
6457 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
6458 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
6459
6460 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
6461 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
6462 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
6463
6464 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
6465 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
6466 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
6467
6468 return 0;
6469 }
6470 EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
6471
6472 int rt2800_conf_tx(struct ieee80211_hw *hw,
6473 struct ieee80211_vif *vif, u16 queue_idx,
6474 const struct ieee80211_tx_queue_params *params)
6475 {
6476 struct rt2x00_dev *rt2x00dev = hw->priv;
6477 struct data_queue *queue;
6478 struct rt2x00_field32 field;
6479 int retval;
6480 u32 reg;
6481 u32 offset;
6482
6483 /*
6484 * First pass the configuration through rt2x00lib, that will
6485 * update the queue settings and validate the input. After that
6486 * we are free to update the registers based on the value
6487 * in the queue parameter.
6488 */
6489 retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
6490 if (retval)
6491 return retval;
6492
6493 /*
6494 * We only need to perform additional register initialization
6495 * for WMM queues/
6496 */
6497 if (queue_idx >= 4)
6498 return 0;
6499
6500 queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
6501
6502 /* Update WMM TXOP register */
6503 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
6504 field.bit_offset = (queue_idx & 1) * 16;
6505 field.bit_mask = 0xffff << field.bit_offset;
6506
6507 rt2800_register_read(rt2x00dev, offset, &reg);
6508 rt2x00_set_field32(&reg, field, queue->txop);
6509 rt2800_register_write(rt2x00dev, offset, reg);
6510
6511 /* Update WMM registers */
6512 field.bit_offset = queue_idx * 4;
6513 field.bit_mask = 0xf << field.bit_offset;
6514
6515 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
6516 rt2x00_set_field32(&reg, field, queue->aifs);
6517 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
6518
6519 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
6520 rt2x00_set_field32(&reg, field, queue->cw_min);
6521 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
6522
6523 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
6524 rt2x00_set_field32(&reg, field, queue->cw_max);
6525 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
6526
6527 /* Update EDCA registers */
6528 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
6529
6530 rt2800_register_read(rt2x00dev, offset, &reg);
6531 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
6532 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
6533 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
6534 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
6535 rt2800_register_write(rt2x00dev, offset, reg);
6536
6537 return 0;
6538 }
6539 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
6540
6541 u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
6542 {
6543 struct rt2x00_dev *rt2x00dev = hw->priv;
6544 u64 tsf;
6545 u32 reg;
6546
6547 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
6548 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
6549 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
6550 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
6551
6552 return tsf;
6553 }
6554 EXPORT_SYMBOL_GPL(rt2800_get_tsf);
6555
6556 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
6557 enum ieee80211_ampdu_mlme_action action,
6558 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
6559 u8 buf_size)
6560 {
6561 struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
6562 int ret = 0;
6563
6564 /*
6565 * Don't allow aggregation for stations the hardware isn't aware
6566 * of because tx status reports for frames to an unknown station
6567 * always contain wcid=255 and thus we can't distinguish between
6568 * multiple stations which leads to unwanted situations when the
6569 * hw reorders frames due to aggregation.
6570 */
6571 if (sta_priv->wcid < 0)
6572 return 1;
6573
6574 switch (action) {
6575 case IEEE80211_AMPDU_RX_START:
6576 case IEEE80211_AMPDU_RX_STOP:
6577 /*
6578 * The hw itself takes care of setting up BlockAck mechanisms.
6579 * So, we only have to allow mac80211 to nagotiate a BlockAck
6580 * agreement. Once that is done, the hw will BlockAck incoming
6581 * AMPDUs without further setup.
6582 */
6583 break;
6584 case IEEE80211_AMPDU_TX_START:
6585 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
6586 break;
6587 case IEEE80211_AMPDU_TX_STOP_CONT:
6588 case IEEE80211_AMPDU_TX_STOP_FLUSH:
6589 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
6590 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
6591 break;
6592 case IEEE80211_AMPDU_TX_OPERATIONAL:
6593 break;
6594 default:
6595 rt2x00_warn((struct rt2x00_dev *)hw->priv,
6596 "Unknown AMPDU action\n");
6597 }
6598
6599 return ret;
6600 }
6601 EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
6602
6603 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
6604 struct survey_info *survey)
6605 {
6606 struct rt2x00_dev *rt2x00dev = hw->priv;
6607 struct ieee80211_conf *conf = &hw->conf;
6608 u32 idle, busy, busy_ext;
6609
6610 if (idx != 0)
6611 return -ENOENT;
6612
6613 survey->channel = conf->chandef.chan;
6614
6615 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle);
6616 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy);
6617 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext);
6618
6619 if (idle || busy) {
6620 survey->filled = SURVEY_INFO_CHANNEL_TIME |
6621 SURVEY_INFO_CHANNEL_TIME_BUSY |
6622 SURVEY_INFO_CHANNEL_TIME_EXT_BUSY;
6623
6624 survey->channel_time = (idle + busy) / 1000;
6625 survey->channel_time_busy = busy / 1000;
6626 survey->channel_time_ext_busy = busy_ext / 1000;
6627 }
6628
6629 if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
6630 survey->filled |= SURVEY_INFO_IN_USE;
6631
6632 return 0;
6633
6634 }
6635 EXPORT_SYMBOL_GPL(rt2800_get_survey);
6636
6637 MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
6638 MODULE_VERSION(DRV_VERSION);
6639 MODULE_DESCRIPTION("Ralink RT2800 library");
6640 MODULE_LICENSE("GPL");
CRIS linux kernel tree