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Merge remote branch 'wireless-next/master' into ath6kl-next
[deliverable/linux.git] / drivers / net / wireless / rt2x00 / rt2800lib.c
1 /*
2 Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
3 Copyright (C) 2010 Ivo van Doorn <IvDoorn@gmail.com>
4 Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
5 Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com>
6
7 Based on the original rt2800pci.c and rt2800usb.c.
8 Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
9 Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
10 Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
11 Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
12 Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
13 Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
14 <http://rt2x00.serialmonkey.com>
15
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 2 of the License, or
19 (at your option) any later version.
20
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
25
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, 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 NOTICE(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 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
225 const u8 command, const u8 token,
226 const u8 arg0, const u8 arg1)
227 {
228 u32 reg;
229
230 /*
231 * SOC devices don't support MCU requests.
232 */
233 if (rt2x00_is_soc(rt2x00dev))
234 return;
235
236 mutex_lock(&rt2x00dev->csr_mutex);
237
238 /*
239 * Wait until the MCU becomes available, afterwards we
240 * can safely write the new data into the register.
241 */
242 if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
243 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
244 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
245 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
246 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
247 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
248
249 reg = 0;
250 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
251 rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
252 }
253
254 mutex_unlock(&rt2x00dev->csr_mutex);
255 }
256 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
257
258 int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
259 {
260 unsigned int i = 0;
261 u32 reg;
262
263 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
264 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
265 if (reg && reg != ~0)
266 return 0;
267 msleep(1);
268 }
269
270 ERROR(rt2x00dev, "Unstable hardware.\n");
271 return -EBUSY;
272 }
273 EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
274
275 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
276 {
277 unsigned int i;
278 u32 reg;
279
280 /*
281 * Some devices are really slow to respond here. Wait a whole second
282 * before timing out.
283 */
284 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
285 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
286 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
287 !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
288 return 0;
289
290 msleep(10);
291 }
292
293 ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
294 return -EACCES;
295 }
296 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
297
298 static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
299 {
300 u16 fw_crc;
301 u16 crc;
302
303 /*
304 * The last 2 bytes in the firmware array are the crc checksum itself,
305 * this means that we should never pass those 2 bytes to the crc
306 * algorithm.
307 */
308 fw_crc = (data[len - 2] << 8 | data[len - 1]);
309
310 /*
311 * Use the crc ccitt algorithm.
312 * This will return the same value as the legacy driver which
313 * used bit ordering reversion on the both the firmware bytes
314 * before input input as well as on the final output.
315 * Obviously using crc ccitt directly is much more efficient.
316 */
317 crc = crc_ccitt(~0, data, len - 2);
318
319 /*
320 * There is a small difference between the crc-itu-t + bitrev and
321 * the crc-ccitt crc calculation. In the latter method the 2 bytes
322 * will be swapped, use swab16 to convert the crc to the correct
323 * value.
324 */
325 crc = swab16(crc);
326
327 return fw_crc == crc;
328 }
329
330 int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
331 const u8 *data, const size_t len)
332 {
333 size_t offset = 0;
334 size_t fw_len;
335 bool multiple;
336
337 /*
338 * PCI(e) & SOC devices require firmware with a length
339 * of 8kb. USB devices require firmware files with a length
340 * of 4kb. Certain USB chipsets however require different firmware,
341 * which Ralink only provides attached to the original firmware
342 * file. Thus for USB devices, firmware files have a length
343 * which is a multiple of 4kb.
344 */
345 if (rt2x00_is_usb(rt2x00dev)) {
346 fw_len = 4096;
347 multiple = true;
348 } else {
349 fw_len = 8192;
350 multiple = true;
351 }
352
353 /*
354 * Validate the firmware length
355 */
356 if (len != fw_len && (!multiple || (len % fw_len) != 0))
357 return FW_BAD_LENGTH;
358
359 /*
360 * Check if the chipset requires one of the upper parts
361 * of the firmware.
362 */
363 if (rt2x00_is_usb(rt2x00dev) &&
364 !rt2x00_rt(rt2x00dev, RT2860) &&
365 !rt2x00_rt(rt2x00dev, RT2872) &&
366 !rt2x00_rt(rt2x00dev, RT3070) &&
367 ((len / fw_len) == 1))
368 return FW_BAD_VERSION;
369
370 /*
371 * 8kb firmware files must be checked as if it were
372 * 2 separate firmware files.
373 */
374 while (offset < len) {
375 if (!rt2800_check_firmware_crc(data + offset, fw_len))
376 return FW_BAD_CRC;
377
378 offset += fw_len;
379 }
380
381 return FW_OK;
382 }
383 EXPORT_SYMBOL_GPL(rt2800_check_firmware);
384
385 int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
386 const u8 *data, const size_t len)
387 {
388 unsigned int i;
389 u32 reg;
390
391 /*
392 * If driver doesn't wake up firmware here,
393 * rt2800_load_firmware will hang forever when interface is up again.
394 */
395 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
396
397 /*
398 * Wait for stable hardware.
399 */
400 if (rt2800_wait_csr_ready(rt2x00dev))
401 return -EBUSY;
402
403 if (rt2x00_is_pci(rt2x00dev)) {
404 if (rt2x00_rt(rt2x00dev, RT3572) ||
405 rt2x00_rt(rt2x00dev, RT5390) ||
406 rt2x00_rt(rt2x00dev, RT5392)) {
407 rt2800_register_read(rt2x00dev, AUX_CTRL, &reg);
408 rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
409 rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
410 rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
411 }
412 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
413 }
414
415 /*
416 * Write firmware to the device.
417 */
418 rt2800_drv_write_firmware(rt2x00dev, data, len);
419
420 /*
421 * Wait for device to stabilize.
422 */
423 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
424 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
425 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
426 break;
427 msleep(1);
428 }
429
430 if (i == REGISTER_BUSY_COUNT) {
431 ERROR(rt2x00dev, "PBF system register not ready.\n");
432 return -EBUSY;
433 }
434
435 /*
436 * Disable DMA, will be reenabled later when enabling
437 * the radio.
438 */
439 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
440 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
441 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
442 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
443
444 /*
445 * Initialize firmware.
446 */
447 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
448 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
449 if (rt2x00_is_usb(rt2x00dev))
450 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
451 msleep(1);
452
453 return 0;
454 }
455 EXPORT_SYMBOL_GPL(rt2800_load_firmware);
456
457 void rt2800_write_tx_data(struct queue_entry *entry,
458 struct txentry_desc *txdesc)
459 {
460 __le32 *txwi = rt2800_drv_get_txwi(entry);
461 u32 word;
462
463 /*
464 * Initialize TX Info descriptor
465 */
466 rt2x00_desc_read(txwi, 0, &word);
467 rt2x00_set_field32(&word, TXWI_W0_FRAG,
468 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
469 rt2x00_set_field32(&word, TXWI_W0_MIMO_PS,
470 test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags));
471 rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
472 rt2x00_set_field32(&word, TXWI_W0_TS,
473 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
474 rt2x00_set_field32(&word, TXWI_W0_AMPDU,
475 test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
476 rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY,
477 txdesc->u.ht.mpdu_density);
478 rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop);
479 rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs);
480 rt2x00_set_field32(&word, TXWI_W0_BW,
481 test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
482 rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
483 test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
484 rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc);
485 rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
486 rt2x00_desc_write(txwi, 0, word);
487
488 rt2x00_desc_read(txwi, 1, &word);
489 rt2x00_set_field32(&word, TXWI_W1_ACK,
490 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
491 rt2x00_set_field32(&word, TXWI_W1_NSEQ,
492 test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
493 rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
494 rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
495 test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
496 txdesc->key_idx : txdesc->u.ht.wcid);
497 rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
498 txdesc->length);
499 rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
500 rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
501 rt2x00_desc_write(txwi, 1, word);
502
503 /*
504 * Always write 0 to IV/EIV fields, hardware will insert the IV
505 * from the IVEIV register when TXD_W3_WIV is set to 0.
506 * When TXD_W3_WIV is set to 1 it will use the IV data
507 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
508 * crypto entry in the registers should be used to encrypt the frame.
509 */
510 _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */);
511 _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */);
512 }
513 EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
514
515 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
516 {
517 s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
518 s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
519 s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
520 u16 eeprom;
521 u8 offset0;
522 u8 offset1;
523 u8 offset2;
524
525 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
526 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &eeprom);
527 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
528 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
529 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
530 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2);
531 } else {
532 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &eeprom);
533 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0);
534 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1);
535 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
536 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2);
537 }
538
539 /*
540 * Convert the value from the descriptor into the RSSI value
541 * If the value in the descriptor is 0, it is considered invalid
542 * and the default (extremely low) rssi value is assumed
543 */
544 rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128;
545 rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128;
546 rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128;
547
548 /*
549 * mac80211 only accepts a single RSSI value. Calculating the
550 * average doesn't deliver a fair answer either since -60:-60 would
551 * be considered equally good as -50:-70 while the second is the one
552 * which gives less energy...
553 */
554 rssi0 = max(rssi0, rssi1);
555 return (int)max(rssi0, rssi2);
556 }
557
558 void rt2800_process_rxwi(struct queue_entry *entry,
559 struct rxdone_entry_desc *rxdesc)
560 {
561 __le32 *rxwi = (__le32 *) entry->skb->data;
562 u32 word;
563
564 rt2x00_desc_read(rxwi, 0, &word);
565
566 rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF);
567 rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
568
569 rt2x00_desc_read(rxwi, 1, &word);
570
571 if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI))
572 rxdesc->flags |= RX_FLAG_SHORT_GI;
573
574 if (rt2x00_get_field32(word, RXWI_W1_BW))
575 rxdesc->flags |= RX_FLAG_40MHZ;
576
577 /*
578 * Detect RX rate, always use MCS as signal type.
579 */
580 rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
581 rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS);
582 rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE);
583
584 /*
585 * Mask of 0x8 bit to remove the short preamble flag.
586 */
587 if (rxdesc->rate_mode == RATE_MODE_CCK)
588 rxdesc->signal &= ~0x8;
589
590 rt2x00_desc_read(rxwi, 2, &word);
591
592 /*
593 * Convert descriptor AGC value to RSSI value.
594 */
595 rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word);
596
597 /*
598 * Remove RXWI descriptor from start of buffer.
599 */
600 skb_pull(entry->skb, RXWI_DESC_SIZE);
601 }
602 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
603
604 void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
605 {
606 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
607 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
608 struct txdone_entry_desc txdesc;
609 u32 word;
610 u16 mcs, real_mcs;
611 int aggr, ampdu;
612
613 /*
614 * Obtain the status about this packet.
615 */
616 txdesc.flags = 0;
617 rt2x00_desc_read(txwi, 0, &word);
618
619 mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
620 ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
621
622 real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
623 aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
624
625 /*
626 * If a frame was meant to be sent as a single non-aggregated MPDU
627 * but ended up in an aggregate the used tx rate doesn't correlate
628 * with the one specified in the TXWI as the whole aggregate is sent
629 * with the same rate.
630 *
631 * For example: two frames are sent to rt2x00, the first one sets
632 * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
633 * and requests MCS15. If the hw aggregates both frames into one
634 * AMDPU the tx status for both frames will contain MCS7 although
635 * the frame was sent successfully.
636 *
637 * Hence, replace the requested rate with the real tx rate to not
638 * confuse the rate control algortihm by providing clearly wrong
639 * data.
640 */
641 if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) {
642 skbdesc->tx_rate_idx = real_mcs;
643 mcs = real_mcs;
644 }
645
646 if (aggr == 1 || ampdu == 1)
647 __set_bit(TXDONE_AMPDU, &txdesc.flags);
648
649 /*
650 * Ralink has a retry mechanism using a global fallback
651 * table. We setup this fallback table to try the immediate
652 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
653 * always contains the MCS used for the last transmission, be
654 * it successful or not.
655 */
656 if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
657 /*
658 * Transmission succeeded. The number of retries is
659 * mcs - real_mcs
660 */
661 __set_bit(TXDONE_SUCCESS, &txdesc.flags);
662 txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
663 } else {
664 /*
665 * Transmission failed. The number of retries is
666 * always 7 in this case (for a total number of 8
667 * frames sent).
668 */
669 __set_bit(TXDONE_FAILURE, &txdesc.flags);
670 txdesc.retry = rt2x00dev->long_retry;
671 }
672
673 /*
674 * the frame was retried at least once
675 * -> hw used fallback rates
676 */
677 if (txdesc.retry)
678 __set_bit(TXDONE_FALLBACK, &txdesc.flags);
679
680 rt2x00lib_txdone(entry, &txdesc);
681 }
682 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
683
684 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
685 {
686 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
687 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
688 unsigned int beacon_base;
689 unsigned int padding_len;
690 u32 orig_reg, reg;
691
692 /*
693 * Disable beaconing while we are reloading the beacon data,
694 * otherwise we might be sending out invalid data.
695 */
696 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
697 orig_reg = reg;
698 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
699 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
700
701 /*
702 * Add space for the TXWI in front of the skb.
703 */
704 memset(skb_push(entry->skb, TXWI_DESC_SIZE), 0, TXWI_DESC_SIZE);
705
706 /*
707 * Register descriptor details in skb frame descriptor.
708 */
709 skbdesc->flags |= SKBDESC_DESC_IN_SKB;
710 skbdesc->desc = entry->skb->data;
711 skbdesc->desc_len = TXWI_DESC_SIZE;
712
713 /*
714 * Add the TXWI for the beacon to the skb.
715 */
716 rt2800_write_tx_data(entry, txdesc);
717
718 /*
719 * Dump beacon to userspace through debugfs.
720 */
721 rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
722
723 /*
724 * Write entire beacon with TXWI and padding to register.
725 */
726 padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
727 if (padding_len && skb_pad(entry->skb, padding_len)) {
728 ERROR(rt2x00dev, "Failure padding beacon, aborting\n");
729 /* skb freed by skb_pad() on failure */
730 entry->skb = NULL;
731 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
732 return;
733 }
734
735 beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
736 rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
737 entry->skb->len + padding_len);
738
739 /*
740 * Enable beaconing again.
741 */
742 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
743 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
744
745 /*
746 * Clean up beacon skb.
747 */
748 dev_kfree_skb_any(entry->skb);
749 entry->skb = NULL;
750 }
751 EXPORT_SYMBOL_GPL(rt2800_write_beacon);
752
753 static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
754 unsigned int beacon_base)
755 {
756 int i;
757
758 /*
759 * For the Beacon base registers we only need to clear
760 * the whole TXWI which (when set to 0) will invalidate
761 * the entire beacon.
762 */
763 for (i = 0; i < TXWI_DESC_SIZE; i += sizeof(__le32))
764 rt2800_register_write(rt2x00dev, beacon_base + i, 0);
765 }
766
767 void rt2800_clear_beacon(struct queue_entry *entry)
768 {
769 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
770 u32 reg;
771
772 /*
773 * Disable beaconing while we are reloading the beacon data,
774 * otherwise we might be sending out invalid data.
775 */
776 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
777 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
778 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
779
780 /*
781 * Clear beacon.
782 */
783 rt2800_clear_beacon_register(rt2x00dev,
784 HW_BEACON_OFFSET(entry->entry_idx));
785
786 /*
787 * Enabled beaconing again.
788 */
789 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
790 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
791 }
792 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
793
794 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
795 const struct rt2x00debug rt2800_rt2x00debug = {
796 .owner = THIS_MODULE,
797 .csr = {
798 .read = rt2800_register_read,
799 .write = rt2800_register_write,
800 .flags = RT2X00DEBUGFS_OFFSET,
801 .word_base = CSR_REG_BASE,
802 .word_size = sizeof(u32),
803 .word_count = CSR_REG_SIZE / sizeof(u32),
804 },
805 .eeprom = {
806 .read = rt2x00_eeprom_read,
807 .write = rt2x00_eeprom_write,
808 .word_base = EEPROM_BASE,
809 .word_size = sizeof(u16),
810 .word_count = EEPROM_SIZE / sizeof(u16),
811 },
812 .bbp = {
813 .read = rt2800_bbp_read,
814 .write = rt2800_bbp_write,
815 .word_base = BBP_BASE,
816 .word_size = sizeof(u8),
817 .word_count = BBP_SIZE / sizeof(u8),
818 },
819 .rf = {
820 .read = rt2x00_rf_read,
821 .write = rt2800_rf_write,
822 .word_base = RF_BASE,
823 .word_size = sizeof(u32),
824 .word_count = RF_SIZE / sizeof(u32),
825 },
826 };
827 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
828 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
829
830 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
831 {
832 u32 reg;
833
834 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
835 return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
836 }
837 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
838
839 #ifdef CONFIG_RT2X00_LIB_LEDS
840 static void rt2800_brightness_set(struct led_classdev *led_cdev,
841 enum led_brightness brightness)
842 {
843 struct rt2x00_led *led =
844 container_of(led_cdev, struct rt2x00_led, led_dev);
845 unsigned int enabled = brightness != LED_OFF;
846 unsigned int bg_mode =
847 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
848 unsigned int polarity =
849 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
850 EEPROM_FREQ_LED_POLARITY);
851 unsigned int ledmode =
852 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
853 EEPROM_FREQ_LED_MODE);
854 u32 reg;
855
856 /* Check for SoC (SOC devices don't support MCU requests) */
857 if (rt2x00_is_soc(led->rt2x00dev)) {
858 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
859
860 /* Set LED Polarity */
861 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
862
863 /* Set LED Mode */
864 if (led->type == LED_TYPE_RADIO) {
865 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
866 enabled ? 3 : 0);
867 } else if (led->type == LED_TYPE_ASSOC) {
868 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
869 enabled ? 3 : 0);
870 } else if (led->type == LED_TYPE_QUALITY) {
871 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
872 enabled ? 3 : 0);
873 }
874
875 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
876
877 } else {
878 if (led->type == LED_TYPE_RADIO) {
879 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
880 enabled ? 0x20 : 0);
881 } else if (led->type == LED_TYPE_ASSOC) {
882 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
883 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
884 } else if (led->type == LED_TYPE_QUALITY) {
885 /*
886 * The brightness is divided into 6 levels (0 - 5),
887 * The specs tell us the following levels:
888 * 0, 1 ,3, 7, 15, 31
889 * to determine the level in a simple way we can simply
890 * work with bitshifting:
891 * (1 << level) - 1
892 */
893 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
894 (1 << brightness / (LED_FULL / 6)) - 1,
895 polarity);
896 }
897 }
898 }
899
900 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
901 struct rt2x00_led *led, enum led_type type)
902 {
903 led->rt2x00dev = rt2x00dev;
904 led->type = type;
905 led->led_dev.brightness_set = rt2800_brightness_set;
906 led->flags = LED_INITIALIZED;
907 }
908 #endif /* CONFIG_RT2X00_LIB_LEDS */
909
910 /*
911 * Configuration handlers.
912 */
913 static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
914 const u8 *address,
915 int wcid)
916 {
917 struct mac_wcid_entry wcid_entry;
918 u32 offset;
919
920 offset = MAC_WCID_ENTRY(wcid);
921
922 memset(&wcid_entry, 0xff, sizeof(wcid_entry));
923 if (address)
924 memcpy(wcid_entry.mac, address, ETH_ALEN);
925
926 rt2800_register_multiwrite(rt2x00dev, offset,
927 &wcid_entry, sizeof(wcid_entry));
928 }
929
930 static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
931 {
932 u32 offset;
933 offset = MAC_WCID_ATTR_ENTRY(wcid);
934 rt2800_register_write(rt2x00dev, offset, 0);
935 }
936
937 static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
938 int wcid, u32 bssidx)
939 {
940 u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
941 u32 reg;
942
943 /*
944 * The BSS Idx numbers is split in a main value of 3 bits,
945 * and a extended field for adding one additional bit to the value.
946 */
947 rt2800_register_read(rt2x00dev, offset, &reg);
948 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
949 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
950 (bssidx & 0x8) >> 3);
951 rt2800_register_write(rt2x00dev, offset, reg);
952 }
953
954 static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
955 struct rt2x00lib_crypto *crypto,
956 struct ieee80211_key_conf *key)
957 {
958 struct mac_iveiv_entry iveiv_entry;
959 u32 offset;
960 u32 reg;
961
962 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
963
964 if (crypto->cmd == SET_KEY) {
965 rt2800_register_read(rt2x00dev, offset, &reg);
966 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
967 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
968 /*
969 * Both the cipher as the BSS Idx numbers are split in a main
970 * value of 3 bits, and a extended field for adding one additional
971 * bit to the value.
972 */
973 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
974 (crypto->cipher & 0x7));
975 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
976 (crypto->cipher & 0x8) >> 3);
977 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
978 rt2800_register_write(rt2x00dev, offset, reg);
979 } else {
980 /* Delete the cipher without touching the bssidx */
981 rt2800_register_read(rt2x00dev, offset, &reg);
982 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
983 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER, 0);
984 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
985 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
986 rt2800_register_write(rt2x00dev, offset, reg);
987 }
988
989 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
990
991 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
992 if ((crypto->cipher == CIPHER_TKIP) ||
993 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
994 (crypto->cipher == CIPHER_AES))
995 iveiv_entry.iv[3] |= 0x20;
996 iveiv_entry.iv[3] |= key->keyidx << 6;
997 rt2800_register_multiwrite(rt2x00dev, offset,
998 &iveiv_entry, sizeof(iveiv_entry));
999 }
1000
1001 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
1002 struct rt2x00lib_crypto *crypto,
1003 struct ieee80211_key_conf *key)
1004 {
1005 struct hw_key_entry key_entry;
1006 struct rt2x00_field32 field;
1007 u32 offset;
1008 u32 reg;
1009
1010 if (crypto->cmd == SET_KEY) {
1011 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
1012
1013 memcpy(key_entry.key, crypto->key,
1014 sizeof(key_entry.key));
1015 memcpy(key_entry.tx_mic, crypto->tx_mic,
1016 sizeof(key_entry.tx_mic));
1017 memcpy(key_entry.rx_mic, crypto->rx_mic,
1018 sizeof(key_entry.rx_mic));
1019
1020 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1021 rt2800_register_multiwrite(rt2x00dev, offset,
1022 &key_entry, sizeof(key_entry));
1023 }
1024
1025 /*
1026 * The cipher types are stored over multiple registers
1027 * starting with SHARED_KEY_MODE_BASE each word will have
1028 * 32 bits and contains the cipher types for 2 bssidx each.
1029 * Using the correct defines correctly will cause overhead,
1030 * so just calculate the correct offset.
1031 */
1032 field.bit_offset = 4 * (key->hw_key_idx % 8);
1033 field.bit_mask = 0x7 << field.bit_offset;
1034
1035 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1036
1037 rt2800_register_read(rt2x00dev, offset, &reg);
1038 rt2x00_set_field32(&reg, field,
1039 (crypto->cmd == SET_KEY) * crypto->cipher);
1040 rt2800_register_write(rt2x00dev, offset, reg);
1041
1042 /*
1043 * Update WCID information
1044 */
1045 rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
1046 rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
1047 crypto->bssidx);
1048 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1049
1050 return 0;
1051 }
1052 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1053
1054 static inline int rt2800_find_wcid(struct rt2x00_dev *rt2x00dev)
1055 {
1056 struct mac_wcid_entry wcid_entry;
1057 int idx;
1058 u32 offset;
1059
1060 /*
1061 * Search for the first free WCID entry and return the corresponding
1062 * index.
1063 *
1064 * Make sure the WCID starts _after_ the last possible shared key
1065 * entry (>32).
1066 *
1067 * Since parts of the pairwise key table might be shared with
1068 * the beacon frame buffers 6 & 7 we should only write into the
1069 * first 222 entries.
1070 */
1071 for (idx = 33; idx <= 222; idx++) {
1072 offset = MAC_WCID_ENTRY(idx);
1073 rt2800_register_multiread(rt2x00dev, offset, &wcid_entry,
1074 sizeof(wcid_entry));
1075 if (is_broadcast_ether_addr(wcid_entry.mac))
1076 return idx;
1077 }
1078
1079 /*
1080 * Use -1 to indicate that we don't have any more space in the WCID
1081 * table.
1082 */
1083 return -1;
1084 }
1085
1086 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1087 struct rt2x00lib_crypto *crypto,
1088 struct ieee80211_key_conf *key)
1089 {
1090 struct hw_key_entry key_entry;
1091 u32 offset;
1092
1093 if (crypto->cmd == SET_KEY) {
1094 /*
1095 * Allow key configuration only for STAs that are
1096 * known by the hw.
1097 */
1098 if (crypto->wcid < 0)
1099 return -ENOSPC;
1100 key->hw_key_idx = crypto->wcid;
1101
1102 memcpy(key_entry.key, crypto->key,
1103 sizeof(key_entry.key));
1104 memcpy(key_entry.tx_mic, crypto->tx_mic,
1105 sizeof(key_entry.tx_mic));
1106 memcpy(key_entry.rx_mic, crypto->rx_mic,
1107 sizeof(key_entry.rx_mic));
1108
1109 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1110 rt2800_register_multiwrite(rt2x00dev, offset,
1111 &key_entry, sizeof(key_entry));
1112 }
1113
1114 /*
1115 * Update WCID information
1116 */
1117 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1118
1119 return 0;
1120 }
1121 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1122
1123 int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
1124 struct ieee80211_sta *sta)
1125 {
1126 int wcid;
1127 struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1128
1129 /*
1130 * Find next free WCID.
1131 */
1132 wcid = rt2800_find_wcid(rt2x00dev);
1133
1134 /*
1135 * Store selected wcid even if it is invalid so that we can
1136 * later decide if the STA is uploaded into the hw.
1137 */
1138 sta_priv->wcid = wcid;
1139
1140 /*
1141 * No space left in the device, however, we can still communicate
1142 * with the STA -> No error.
1143 */
1144 if (wcid < 0)
1145 return 0;
1146
1147 /*
1148 * Clean up WCID attributes and write STA address to the device.
1149 */
1150 rt2800_delete_wcid_attr(rt2x00dev, wcid);
1151 rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
1152 rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
1153 rt2x00lib_get_bssidx(rt2x00dev, vif));
1154 return 0;
1155 }
1156 EXPORT_SYMBOL_GPL(rt2800_sta_add);
1157
1158 int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid)
1159 {
1160 /*
1161 * Remove WCID entry, no need to clean the attributes as they will
1162 * get renewed when the WCID is reused.
1163 */
1164 rt2800_config_wcid(rt2x00dev, NULL, wcid);
1165
1166 return 0;
1167 }
1168 EXPORT_SYMBOL_GPL(rt2800_sta_remove);
1169
1170 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1171 const unsigned int filter_flags)
1172 {
1173 u32 reg;
1174
1175 /*
1176 * Start configuration steps.
1177 * Note that the version error will always be dropped
1178 * and broadcast frames will always be accepted since
1179 * there is no filter for it at this time.
1180 */
1181 rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
1182 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
1183 !(filter_flags & FIF_FCSFAIL));
1184 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
1185 !(filter_flags & FIF_PLCPFAIL));
1186 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
1187 !(filter_flags & FIF_PROMISC_IN_BSS));
1188 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1189 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1190 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
1191 !(filter_flags & FIF_ALLMULTI));
1192 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
1193 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1194 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
1195 !(filter_flags & FIF_CONTROL));
1196 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
1197 !(filter_flags & FIF_CONTROL));
1198 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
1199 !(filter_flags & FIF_CONTROL));
1200 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
1201 !(filter_flags & FIF_CONTROL));
1202 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
1203 !(filter_flags & FIF_CONTROL));
1204 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
1205 !(filter_flags & FIF_PSPOLL));
1206 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA,
1207 !(filter_flags & FIF_CONTROL));
1208 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR,
1209 !(filter_flags & FIF_CONTROL));
1210 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
1211 !(filter_flags & FIF_CONTROL));
1212 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1213 }
1214 EXPORT_SYMBOL_GPL(rt2800_config_filter);
1215
1216 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1217 struct rt2x00intf_conf *conf, const unsigned int flags)
1218 {
1219 u32 reg;
1220 bool update_bssid = false;
1221
1222 if (flags & CONFIG_UPDATE_TYPE) {
1223 /*
1224 * Enable synchronisation.
1225 */
1226 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1227 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1228 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1229
1230 if (conf->sync == TSF_SYNC_AP_NONE) {
1231 /*
1232 * Tune beacon queue transmit parameters for AP mode
1233 */
1234 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1235 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1236 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1237 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1238 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1239 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1240 } else {
1241 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1242 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1243 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1244 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1245 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1246 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1247 }
1248 }
1249
1250 if (flags & CONFIG_UPDATE_MAC) {
1251 if (flags & CONFIG_UPDATE_TYPE &&
1252 conf->sync == TSF_SYNC_AP_NONE) {
1253 /*
1254 * The BSSID register has to be set to our own mac
1255 * address in AP mode.
1256 */
1257 memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1258 update_bssid = true;
1259 }
1260
1261 if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1262 reg = le32_to_cpu(conf->mac[1]);
1263 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1264 conf->mac[1] = cpu_to_le32(reg);
1265 }
1266
1267 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1268 conf->mac, sizeof(conf->mac));
1269 }
1270
1271 if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1272 if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1273 reg = le32_to_cpu(conf->bssid[1]);
1274 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1275 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 7);
1276 conf->bssid[1] = cpu_to_le32(reg);
1277 }
1278
1279 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1280 conf->bssid, sizeof(conf->bssid));
1281 }
1282 }
1283 EXPORT_SYMBOL_GPL(rt2800_config_intf);
1284
1285 static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1286 struct rt2x00lib_erp *erp)
1287 {
1288 bool any_sta_nongf = !!(erp->ht_opmode &
1289 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1290 u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1291 u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1292 u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1293 u32 reg;
1294
1295 /* default protection rate for HT20: OFDM 24M */
1296 mm20_rate = gf20_rate = 0x4004;
1297
1298 /* default protection rate for HT40: duplicate OFDM 24M */
1299 mm40_rate = gf40_rate = 0x4084;
1300
1301 switch (protection) {
1302 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1303 /*
1304 * All STAs in this BSS are HT20/40 but there might be
1305 * STAs not supporting greenfield mode.
1306 * => Disable protection for HT transmissions.
1307 */
1308 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1309
1310 break;
1311 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1312 /*
1313 * All STAs in this BSS are HT20 or HT20/40 but there
1314 * might be STAs not supporting greenfield mode.
1315 * => Protect all HT40 transmissions.
1316 */
1317 mm20_mode = gf20_mode = 0;
1318 mm40_mode = gf40_mode = 2;
1319
1320 break;
1321 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1322 /*
1323 * Nonmember protection:
1324 * According to 802.11n we _should_ protect all
1325 * HT transmissions (but we don't have to).
1326 *
1327 * But if cts_protection is enabled we _shall_ protect
1328 * all HT transmissions using a CCK rate.
1329 *
1330 * And if any station is non GF we _shall_ protect
1331 * GF transmissions.
1332 *
1333 * We decide to protect everything
1334 * -> fall through to mixed mode.
1335 */
1336 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1337 /*
1338 * Legacy STAs are present
1339 * => Protect all HT transmissions.
1340 */
1341 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2;
1342
1343 /*
1344 * If erp protection is needed we have to protect HT
1345 * transmissions with CCK 11M long preamble.
1346 */
1347 if (erp->cts_protection) {
1348 /* don't duplicate RTS/CTS in CCK mode */
1349 mm20_rate = mm40_rate = 0x0003;
1350 gf20_rate = gf40_rate = 0x0003;
1351 }
1352 break;
1353 }
1354
1355 /* check for STAs not supporting greenfield mode */
1356 if (any_sta_nongf)
1357 gf20_mode = gf40_mode = 2;
1358
1359 /* Update HT protection config */
1360 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1361 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1362 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1363 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1364
1365 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1366 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1367 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1368 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1369
1370 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1371 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1372 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1373 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1374
1375 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1376 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1377 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1378 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1379 }
1380
1381 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1382 u32 changed)
1383 {
1384 u32 reg;
1385
1386 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1387 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1388 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
1389 !!erp->short_preamble);
1390 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
1391 !!erp->short_preamble);
1392 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1393 }
1394
1395 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1396 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1397 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
1398 erp->cts_protection ? 2 : 0);
1399 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1400 }
1401
1402 if (changed & BSS_CHANGED_BASIC_RATES) {
1403 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1404 erp->basic_rates);
1405 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1406 }
1407
1408 if (changed & BSS_CHANGED_ERP_SLOT) {
1409 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
1410 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME,
1411 erp->slot_time);
1412 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1413
1414 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
1415 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
1416 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1417 }
1418
1419 if (changed & BSS_CHANGED_BEACON_INT) {
1420 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1421 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
1422 erp->beacon_int * 16);
1423 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1424 }
1425
1426 if (changed & BSS_CHANGED_HT)
1427 rt2800_config_ht_opmode(rt2x00dev, erp);
1428 }
1429 EXPORT_SYMBOL_GPL(rt2800_config_erp);
1430
1431 static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1432 {
1433 u32 reg;
1434 u16 eeprom;
1435 u8 led_ctrl, led_g_mode, led_r_mode;
1436
1437 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
1438 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1439 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 1);
1440 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 1);
1441 } else {
1442 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 0);
1443 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 0);
1444 }
1445 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1446
1447 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
1448 led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1449 led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1450 if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1451 led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1452 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1453 led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1454 if (led_ctrl == 0 || led_ctrl > 0x40) {
1455 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, led_g_mode);
1456 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, led_r_mode);
1457 rt2800_register_write(rt2x00dev, LED_CFG, reg);
1458 } else {
1459 rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1460 (led_g_mode << 2) | led_r_mode, 1);
1461 }
1462 }
1463 }
1464
1465 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1466 enum antenna ant)
1467 {
1468 u32 reg;
1469 u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1470 u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1471
1472 if (rt2x00_is_pci(rt2x00dev)) {
1473 rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
1474 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1475 rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1476 } else if (rt2x00_is_usb(rt2x00dev))
1477 rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1478 eesk_pin, 0);
1479
1480 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
1481 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT3, 0);
1482 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT3, gpio_bit3);
1483 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
1484 }
1485
1486 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1487 {
1488 u8 r1;
1489 u8 r3;
1490 u16 eeprom;
1491
1492 rt2800_bbp_read(rt2x00dev, 1, &r1);
1493 rt2800_bbp_read(rt2x00dev, 3, &r3);
1494
1495 if (rt2x00_rt(rt2x00dev, RT3572) &&
1496 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1497 rt2800_config_3572bt_ant(rt2x00dev);
1498
1499 /*
1500 * Configure the TX antenna.
1501 */
1502 switch (ant->tx_chain_num) {
1503 case 1:
1504 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1505 break;
1506 case 2:
1507 if (rt2x00_rt(rt2x00dev, RT3572) &&
1508 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1509 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1510 else
1511 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1512 break;
1513 case 3:
1514 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1515 break;
1516 }
1517
1518 /*
1519 * Configure the RX antenna.
1520 */
1521 switch (ant->rx_chain_num) {
1522 case 1:
1523 if (rt2x00_rt(rt2x00dev, RT3070) ||
1524 rt2x00_rt(rt2x00dev, RT3090) ||
1525 rt2x00_rt(rt2x00dev, RT3390)) {
1526 rt2x00_eeprom_read(rt2x00dev,
1527 EEPROM_NIC_CONF1, &eeprom);
1528 if (rt2x00_get_field16(eeprom,
1529 EEPROM_NIC_CONF1_ANT_DIVERSITY))
1530 rt2800_set_ant_diversity(rt2x00dev,
1531 rt2x00dev->default_ant.rx);
1532 }
1533 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
1534 break;
1535 case 2:
1536 if (rt2x00_rt(rt2x00dev, RT3572) &&
1537 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1538 rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
1539 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
1540 rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
1541 rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
1542 } else {
1543 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
1544 }
1545 break;
1546 case 3:
1547 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
1548 break;
1549 }
1550
1551 rt2800_bbp_write(rt2x00dev, 3, r3);
1552 rt2800_bbp_write(rt2x00dev, 1, r1);
1553 }
1554 EXPORT_SYMBOL_GPL(rt2800_config_ant);
1555
1556 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
1557 struct rt2x00lib_conf *libconf)
1558 {
1559 u16 eeprom;
1560 short lna_gain;
1561
1562 if (libconf->rf.channel <= 14) {
1563 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1564 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
1565 } else if (libconf->rf.channel <= 64) {
1566 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1567 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
1568 } else if (libconf->rf.channel <= 128) {
1569 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
1570 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
1571 } else {
1572 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
1573 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
1574 }
1575
1576 rt2x00dev->lna_gain = lna_gain;
1577 }
1578
1579 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
1580 struct ieee80211_conf *conf,
1581 struct rf_channel *rf,
1582 struct channel_info *info)
1583 {
1584 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
1585
1586 if (rt2x00dev->default_ant.tx_chain_num == 1)
1587 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
1588
1589 if (rt2x00dev->default_ant.rx_chain_num == 1) {
1590 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
1591 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1592 } else if (rt2x00dev->default_ant.rx_chain_num == 2)
1593 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1594
1595 if (rf->channel > 14) {
1596 /*
1597 * When TX power is below 0, we should increase it by 7 to
1598 * make it a positive value (Minimum value is -7).
1599 * However this means that values between 0 and 7 have
1600 * double meaning, and we should set a 7DBm boost flag.
1601 */
1602 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
1603 (info->default_power1 >= 0));
1604
1605 if (info->default_power1 < 0)
1606 info->default_power1 += 7;
1607
1608 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
1609
1610 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
1611 (info->default_power2 >= 0));
1612
1613 if (info->default_power2 < 0)
1614 info->default_power2 += 7;
1615
1616 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
1617 } else {
1618 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
1619 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
1620 }
1621
1622 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
1623
1624 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1625 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1626 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1627 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1628
1629 udelay(200);
1630
1631 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1632 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1633 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
1634 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1635
1636 udelay(200);
1637
1638 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1639 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1640 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1641 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1642 }
1643
1644 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
1645 struct ieee80211_conf *conf,
1646 struct rf_channel *rf,
1647 struct channel_info *info)
1648 {
1649 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1650 u8 rfcsr, calib_tx, calib_rx;
1651
1652 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1653
1654 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
1655 rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3);
1656 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
1657
1658 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1659 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1660 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1661
1662 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1663 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
1664 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1665
1666 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1667 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
1668 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1669
1670 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1671 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1672 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1673 if (rt2x00_rt(rt2x00dev, RT3390)) {
1674 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
1675 rt2x00dev->default_ant.rx_chain_num == 1);
1676 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
1677 rt2x00dev->default_ant.tx_chain_num == 1);
1678 } else {
1679 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
1680 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
1681 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
1682 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
1683
1684 switch (rt2x00dev->default_ant.tx_chain_num) {
1685 case 1:
1686 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
1687 /* fall through */
1688 case 2:
1689 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1690 break;
1691 }
1692
1693 switch (rt2x00dev->default_ant.rx_chain_num) {
1694 case 1:
1695 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
1696 /* fall through */
1697 case 2:
1698 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1699 break;
1700 }
1701 }
1702 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1703
1704 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1705 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1706 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1707 msleep(1);
1708 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1709 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1710
1711 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1712 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1713 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1714
1715 if (rt2x00_rt(rt2x00dev, RT3390)) {
1716 calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f;
1717 calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f;
1718 } else {
1719 if (conf_is_ht40(conf)) {
1720 calib_tx = drv_data->calibration_bw40;
1721 calib_rx = drv_data->calibration_bw40;
1722 } else {
1723 calib_tx = drv_data->calibration_bw20;
1724 calib_rx = drv_data->calibration_bw20;
1725 }
1726 }
1727
1728 rt2800_rfcsr_read(rt2x00dev, 24, &rfcsr);
1729 rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx);
1730 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr);
1731
1732 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
1733 rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx);
1734 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
1735
1736 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1737 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1738 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1739
1740 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1741 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1742 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1743 msleep(1);
1744 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1745 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1746 }
1747
1748 static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
1749 struct ieee80211_conf *conf,
1750 struct rf_channel *rf,
1751 struct channel_info *info)
1752 {
1753 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1754 u8 rfcsr;
1755 u32 reg;
1756
1757 if (rf->channel <= 14) {
1758 rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
1759 rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
1760 } else {
1761 rt2800_bbp_write(rt2x00dev, 25, 0x09);
1762 rt2800_bbp_write(rt2x00dev, 26, 0xff);
1763 }
1764
1765 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1766 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
1767
1768 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1769 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1770 if (rf->channel <= 14)
1771 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
1772 else
1773 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
1774 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1775
1776 rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr);
1777 if (rf->channel <= 14)
1778 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
1779 else
1780 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
1781 rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
1782
1783 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1784 if (rf->channel <= 14) {
1785 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
1786 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1787 info->default_power1);
1788 } else {
1789 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
1790 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1791 (info->default_power1 & 0x3) |
1792 ((info->default_power1 & 0xC) << 1));
1793 }
1794 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1795
1796 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1797 if (rf->channel <= 14) {
1798 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
1799 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1800 info->default_power2);
1801 } else {
1802 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
1803 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1804 (info->default_power2 & 0x3) |
1805 ((info->default_power2 & 0xC) << 1));
1806 }
1807 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1808
1809 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1810 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1811 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1812 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
1813 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
1814 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
1815 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
1816 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1817 if (rf->channel <= 14) {
1818 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
1819 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
1820 }
1821 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1822 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1823 } else {
1824 switch (rt2x00dev->default_ant.tx_chain_num) {
1825 case 1:
1826 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
1827 case 2:
1828 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1829 break;
1830 }
1831
1832 switch (rt2x00dev->default_ant.rx_chain_num) {
1833 case 1:
1834 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
1835 case 2:
1836 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1837 break;
1838 }
1839 }
1840 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1841
1842 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1843 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1844 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1845
1846 if (conf_is_ht40(conf)) {
1847 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40);
1848 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40);
1849 } else {
1850 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20);
1851 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20);
1852 }
1853
1854 if (rf->channel <= 14) {
1855 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
1856 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
1857 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1858 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
1859 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
1860 rfcsr = 0x4c;
1861 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
1862 drv_data->txmixer_gain_24g);
1863 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
1864 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1865 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
1866 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
1867 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
1868 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
1869 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
1870 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
1871 } else {
1872 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1873 rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1);
1874 rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0);
1875 rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1);
1876 rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0);
1877 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1878 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
1879 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1880 rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
1881 rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
1882 rfcsr = 0x7a;
1883 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
1884 drv_data->txmixer_gain_5g);
1885 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
1886 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1887 if (rf->channel <= 64) {
1888 rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
1889 rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
1890 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
1891 } else if (rf->channel <= 128) {
1892 rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
1893 rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
1894 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1895 } else {
1896 rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
1897 rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
1898 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1899 }
1900 rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
1901 rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
1902 rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
1903 }
1904
1905 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
1906 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT7, 0);
1907 if (rf->channel <= 14)
1908 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT7, 1);
1909 else
1910 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT7, 0);
1911 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
1912
1913 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1914 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1915 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1916 }
1917
1918 #define RT5390_POWER_BOUND 0x27
1919 #define RT5390_FREQ_OFFSET_BOUND 0x5f
1920
1921 static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
1922 struct ieee80211_conf *conf,
1923 struct rf_channel *rf,
1924 struct channel_info *info)
1925 {
1926 u8 rfcsr;
1927
1928 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
1929 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
1930 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
1931 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
1932 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
1933
1934 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
1935 if (info->default_power1 > RT5390_POWER_BOUND)
1936 rt2x00_set_field8(&rfcsr, RFCSR49_TX, RT5390_POWER_BOUND);
1937 else
1938 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
1939 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
1940
1941 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1942 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
1943 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
1944 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
1945 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
1946 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1947
1948 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
1949 if (rt2x00dev->freq_offset > RT5390_FREQ_OFFSET_BOUND)
1950 rt2x00_set_field8(&rfcsr, RFCSR17_CODE,
1951 RT5390_FREQ_OFFSET_BOUND);
1952 else
1953 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, rt2x00dev->freq_offset);
1954 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
1955
1956 if (rf->channel <= 14) {
1957 int idx = rf->channel-1;
1958
1959 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1960 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
1961 /* r55/r59 value array of channel 1~14 */
1962 static const char r55_bt_rev[] = {0x83, 0x83,
1963 0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
1964 0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
1965 static const char r59_bt_rev[] = {0x0e, 0x0e,
1966 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
1967 0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
1968
1969 rt2800_rfcsr_write(rt2x00dev, 55,
1970 r55_bt_rev[idx]);
1971 rt2800_rfcsr_write(rt2x00dev, 59,
1972 r59_bt_rev[idx]);
1973 } else {
1974 static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
1975 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
1976 0x88, 0x88, 0x86, 0x85, 0x84};
1977
1978 rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
1979 }
1980 } else {
1981 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
1982 static const char r55_nonbt_rev[] = {0x23, 0x23,
1983 0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
1984 0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
1985 static const char r59_nonbt_rev[] = {0x07, 0x07,
1986 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
1987 0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
1988
1989 rt2800_rfcsr_write(rt2x00dev, 55,
1990 r55_nonbt_rev[idx]);
1991 rt2800_rfcsr_write(rt2x00dev, 59,
1992 r59_nonbt_rev[idx]);
1993 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
1994 rt2x00_rt(rt2x00dev, RT5392)) {
1995 static const char r59_non_bt[] = {0x8f, 0x8f,
1996 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
1997 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
1998
1999 rt2800_rfcsr_write(rt2x00dev, 59,
2000 r59_non_bt[idx]);
2001 }
2002 }
2003 }
2004
2005 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2006 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, 0);
2007 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, 0);
2008 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2009
2010 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2011 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
2012 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2013 }
2014
2015 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
2016 struct ieee80211_conf *conf,
2017 struct rf_channel *rf,
2018 struct channel_info *info)
2019 {
2020 u32 reg;
2021 unsigned int tx_pin;
2022 u8 bbp;
2023
2024 if (rf->channel <= 14) {
2025 info->default_power1 = TXPOWER_G_TO_DEV(info->default_power1);
2026 info->default_power2 = TXPOWER_G_TO_DEV(info->default_power2);
2027 } else {
2028 info->default_power1 = TXPOWER_A_TO_DEV(info->default_power1);
2029 info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2);
2030 }
2031
2032 switch (rt2x00dev->chip.rf) {
2033 case RF2020:
2034 case RF3020:
2035 case RF3021:
2036 case RF3022:
2037 case RF3320:
2038 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
2039 break;
2040 case RF3052:
2041 rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
2042 break;
2043 case RF5370:
2044 case RF5372:
2045 case RF5390:
2046 rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
2047 break;
2048 default:
2049 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
2050 }
2051
2052 /*
2053 * Change BBP settings
2054 */
2055 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
2056 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
2057 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
2058 rt2800_bbp_write(rt2x00dev, 86, 0);
2059
2060 if (rf->channel <= 14) {
2061 if (!rt2x00_rt(rt2x00dev, RT5390) &&
2062 !rt2x00_rt(rt2x00dev, RT5392)) {
2063 if (test_bit(CAPABILITY_EXTERNAL_LNA_BG,
2064 &rt2x00dev->cap_flags)) {
2065 rt2800_bbp_write(rt2x00dev, 82, 0x62);
2066 rt2800_bbp_write(rt2x00dev, 75, 0x46);
2067 } else {
2068 rt2800_bbp_write(rt2x00dev, 82, 0x84);
2069 rt2800_bbp_write(rt2x00dev, 75, 0x50);
2070 }
2071 }
2072 } else {
2073 if (rt2x00_rt(rt2x00dev, RT3572))
2074 rt2800_bbp_write(rt2x00dev, 82, 0x94);
2075 else
2076 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
2077
2078 if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags))
2079 rt2800_bbp_write(rt2x00dev, 75, 0x46);
2080 else
2081 rt2800_bbp_write(rt2x00dev, 75, 0x50);
2082 }
2083
2084 rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
2085 rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
2086 rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
2087 rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
2088 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
2089
2090 if (rt2x00_rt(rt2x00dev, RT3572))
2091 rt2800_rfcsr_write(rt2x00dev, 8, 0);
2092
2093 tx_pin = 0;
2094
2095 /* Turn on unused PA or LNA when not using 1T or 1R */
2096 if (rt2x00dev->default_ant.tx_chain_num == 2) {
2097 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
2098 rf->channel > 14);
2099 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
2100 rf->channel <= 14);
2101 }
2102
2103 /* Turn on unused PA or LNA when not using 1T or 1R */
2104 if (rt2x00dev->default_ant.rx_chain_num == 2) {
2105 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
2106 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
2107 }
2108
2109 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
2110 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
2111 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
2112 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
2113 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
2114 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
2115 else
2116 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
2117 rf->channel <= 14);
2118 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
2119
2120 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
2121
2122 if (rt2x00_rt(rt2x00dev, RT3572))
2123 rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
2124
2125 rt2800_bbp_read(rt2x00dev, 4, &bbp);
2126 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
2127 rt2800_bbp_write(rt2x00dev, 4, bbp);
2128
2129 rt2800_bbp_read(rt2x00dev, 3, &bbp);
2130 rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
2131 rt2800_bbp_write(rt2x00dev, 3, bbp);
2132
2133 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
2134 if (conf_is_ht40(conf)) {
2135 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
2136 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
2137 rt2800_bbp_write(rt2x00dev, 73, 0x16);
2138 } else {
2139 rt2800_bbp_write(rt2x00dev, 69, 0x16);
2140 rt2800_bbp_write(rt2x00dev, 70, 0x08);
2141 rt2800_bbp_write(rt2x00dev, 73, 0x11);
2142 }
2143 }
2144
2145 msleep(1);
2146
2147 /*
2148 * Clear channel statistic counters
2149 */
2150 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &reg);
2151 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &reg);
2152 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &reg);
2153 }
2154
2155 static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
2156 {
2157 u8 tssi_bounds[9];
2158 u8 current_tssi;
2159 u16 eeprom;
2160 u8 step;
2161 int i;
2162
2163 /*
2164 * Read TSSI boundaries for temperature compensation from
2165 * the EEPROM.
2166 *
2167 * Array idx 0 1 2 3 4 5 6 7 8
2168 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4
2169 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
2170 */
2171 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2172 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1, &eeprom);
2173 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2174 EEPROM_TSSI_BOUND_BG1_MINUS4);
2175 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2176 EEPROM_TSSI_BOUND_BG1_MINUS3);
2177
2178 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2, &eeprom);
2179 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2180 EEPROM_TSSI_BOUND_BG2_MINUS2);
2181 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2182 EEPROM_TSSI_BOUND_BG2_MINUS1);
2183
2184 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3, &eeprom);
2185 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2186 EEPROM_TSSI_BOUND_BG3_REF);
2187 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2188 EEPROM_TSSI_BOUND_BG3_PLUS1);
2189
2190 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4, &eeprom);
2191 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2192 EEPROM_TSSI_BOUND_BG4_PLUS2);
2193 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2194 EEPROM_TSSI_BOUND_BG4_PLUS3);
2195
2196 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5, &eeprom);
2197 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2198 EEPROM_TSSI_BOUND_BG5_PLUS4);
2199
2200 step = rt2x00_get_field16(eeprom,
2201 EEPROM_TSSI_BOUND_BG5_AGC_STEP);
2202 } else {
2203 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1, &eeprom);
2204 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2205 EEPROM_TSSI_BOUND_A1_MINUS4);
2206 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2207 EEPROM_TSSI_BOUND_A1_MINUS3);
2208
2209 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2, &eeprom);
2210 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2211 EEPROM_TSSI_BOUND_A2_MINUS2);
2212 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2213 EEPROM_TSSI_BOUND_A2_MINUS1);
2214
2215 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3, &eeprom);
2216 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2217 EEPROM_TSSI_BOUND_A3_REF);
2218 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2219 EEPROM_TSSI_BOUND_A3_PLUS1);
2220
2221 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4, &eeprom);
2222 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2223 EEPROM_TSSI_BOUND_A4_PLUS2);
2224 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2225 EEPROM_TSSI_BOUND_A4_PLUS3);
2226
2227 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5, &eeprom);
2228 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2229 EEPROM_TSSI_BOUND_A5_PLUS4);
2230
2231 step = rt2x00_get_field16(eeprom,
2232 EEPROM_TSSI_BOUND_A5_AGC_STEP);
2233 }
2234
2235 /*
2236 * Check if temperature compensation is supported.
2237 */
2238 if (tssi_bounds[4] == 0xff)
2239 return 0;
2240
2241 /*
2242 * Read current TSSI (BBP 49).
2243 */
2244 rt2800_bbp_read(rt2x00dev, 49, &current_tssi);
2245
2246 /*
2247 * Compare TSSI value (BBP49) with the compensation boundaries
2248 * from the EEPROM and increase or decrease tx power.
2249 */
2250 for (i = 0; i <= 3; i++) {
2251 if (current_tssi > tssi_bounds[i])
2252 break;
2253 }
2254
2255 if (i == 4) {
2256 for (i = 8; i >= 5; i--) {
2257 if (current_tssi < tssi_bounds[i])
2258 break;
2259 }
2260 }
2261
2262 return (i - 4) * step;
2263 }
2264
2265 static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
2266 enum ieee80211_band band)
2267 {
2268 u16 eeprom;
2269 u8 comp_en;
2270 u8 comp_type;
2271 int comp_value = 0;
2272
2273 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom);
2274
2275 /*
2276 * HT40 compensation not required.
2277 */
2278 if (eeprom == 0xffff ||
2279 !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2280 return 0;
2281
2282 if (band == IEEE80211_BAND_2GHZ) {
2283 comp_en = rt2x00_get_field16(eeprom,
2284 EEPROM_TXPOWER_DELTA_ENABLE_2G);
2285 if (comp_en) {
2286 comp_type = rt2x00_get_field16(eeprom,
2287 EEPROM_TXPOWER_DELTA_TYPE_2G);
2288 comp_value = rt2x00_get_field16(eeprom,
2289 EEPROM_TXPOWER_DELTA_VALUE_2G);
2290 if (!comp_type)
2291 comp_value = -comp_value;
2292 }
2293 } else {
2294 comp_en = rt2x00_get_field16(eeprom,
2295 EEPROM_TXPOWER_DELTA_ENABLE_5G);
2296 if (comp_en) {
2297 comp_type = rt2x00_get_field16(eeprom,
2298 EEPROM_TXPOWER_DELTA_TYPE_5G);
2299 comp_value = rt2x00_get_field16(eeprom,
2300 EEPROM_TXPOWER_DELTA_VALUE_5G);
2301 if (!comp_type)
2302 comp_value = -comp_value;
2303 }
2304 }
2305
2306 return comp_value;
2307 }
2308
2309 static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
2310 enum ieee80211_band band, int power_level,
2311 u8 txpower, int delta)
2312 {
2313 u32 reg;
2314 u16 eeprom;
2315 u8 criterion;
2316 u8 eirp_txpower;
2317 u8 eirp_txpower_criterion;
2318 u8 reg_limit;
2319
2320 if (!((band == IEEE80211_BAND_5GHZ) && is_rate_b))
2321 return txpower;
2322
2323 if (test_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags)) {
2324 /*
2325 * Check if eirp txpower exceed txpower_limit.
2326 * We use OFDM 6M as criterion and its eirp txpower
2327 * is stored at EEPROM_EIRP_MAX_TX_POWER.
2328 * .11b data rate need add additional 4dbm
2329 * when calculating eirp txpower.
2330 */
2331 rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
2332 criterion = rt2x00_get_field32(reg, TX_PWR_CFG_0_6MBS);
2333
2334 rt2x00_eeprom_read(rt2x00dev,
2335 EEPROM_EIRP_MAX_TX_POWER, &eeprom);
2336
2337 if (band == IEEE80211_BAND_2GHZ)
2338 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2339 EEPROM_EIRP_MAX_TX_POWER_2GHZ);
2340 else
2341 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2342 EEPROM_EIRP_MAX_TX_POWER_5GHZ);
2343
2344 eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
2345 (is_rate_b ? 4 : 0) + delta;
2346
2347 reg_limit = (eirp_txpower > power_level) ?
2348 (eirp_txpower - power_level) : 0;
2349 } else
2350 reg_limit = 0;
2351
2352 return txpower + delta - reg_limit;
2353 }
2354
2355 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
2356 enum ieee80211_band band,
2357 int power_level)
2358 {
2359 u8 txpower;
2360 u16 eeprom;
2361 int i, is_rate_b;
2362 u32 reg;
2363 u8 r1;
2364 u32 offset;
2365 int delta;
2366
2367 /*
2368 * Calculate HT40 compensation delta
2369 */
2370 delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
2371
2372 /*
2373 * calculate temperature compensation delta
2374 */
2375 delta += rt2800_get_gain_calibration_delta(rt2x00dev);
2376
2377 /*
2378 * set to normal bbp tx power control mode: +/- 0dBm
2379 */
2380 rt2800_bbp_read(rt2x00dev, 1, &r1);
2381 rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, 0);
2382 rt2800_bbp_write(rt2x00dev, 1, r1);
2383 offset = TX_PWR_CFG_0;
2384
2385 for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
2386 /* just to be safe */
2387 if (offset > TX_PWR_CFG_4)
2388 break;
2389
2390 rt2800_register_read(rt2x00dev, offset, &reg);
2391
2392 /* read the next four txpower values */
2393 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i,
2394 &eeprom);
2395
2396 is_rate_b = i ? 0 : 1;
2397 /*
2398 * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
2399 * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
2400 * TX_PWR_CFG_4: unknown
2401 */
2402 txpower = rt2x00_get_field16(eeprom,
2403 EEPROM_TXPOWER_BYRATE_RATE0);
2404 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2405 power_level, txpower, delta);
2406 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE0, txpower);
2407
2408 /*
2409 * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
2410 * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
2411 * TX_PWR_CFG_4: unknown
2412 */
2413 txpower = rt2x00_get_field16(eeprom,
2414 EEPROM_TXPOWER_BYRATE_RATE1);
2415 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2416 power_level, txpower, delta);
2417 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE1, txpower);
2418
2419 /*
2420 * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
2421 * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14,
2422 * TX_PWR_CFG_4: unknown
2423 */
2424 txpower = rt2x00_get_field16(eeprom,
2425 EEPROM_TXPOWER_BYRATE_RATE2);
2426 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2427 power_level, txpower, delta);
2428 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE2, txpower);
2429
2430 /*
2431 * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
2432 * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15,
2433 * TX_PWR_CFG_4: unknown
2434 */
2435 txpower = rt2x00_get_field16(eeprom,
2436 EEPROM_TXPOWER_BYRATE_RATE3);
2437 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2438 power_level, txpower, delta);
2439 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE3, txpower);
2440
2441 /* read the next four txpower values */
2442 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i + 1,
2443 &eeprom);
2444
2445 is_rate_b = 0;
2446 /*
2447 * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
2448 * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
2449 * TX_PWR_CFG_4: unknown
2450 */
2451 txpower = rt2x00_get_field16(eeprom,
2452 EEPROM_TXPOWER_BYRATE_RATE0);
2453 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2454 power_level, txpower, delta);
2455 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE4, txpower);
2456
2457 /*
2458 * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
2459 * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
2460 * TX_PWR_CFG_4: unknown
2461 */
2462 txpower = rt2x00_get_field16(eeprom,
2463 EEPROM_TXPOWER_BYRATE_RATE1);
2464 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2465 power_level, txpower, delta);
2466 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE5, txpower);
2467
2468 /*
2469 * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
2470 * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
2471 * TX_PWR_CFG_4: unknown
2472 */
2473 txpower = rt2x00_get_field16(eeprom,
2474 EEPROM_TXPOWER_BYRATE_RATE2);
2475 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2476 power_level, txpower, delta);
2477 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE6, txpower);
2478
2479 /*
2480 * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
2481 * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
2482 * TX_PWR_CFG_4: unknown
2483 */
2484 txpower = rt2x00_get_field16(eeprom,
2485 EEPROM_TXPOWER_BYRATE_RATE3);
2486 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2487 power_level, txpower, delta);
2488 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE7, txpower);
2489
2490 rt2800_register_write(rt2x00dev, offset, reg);
2491
2492 /* next TX_PWR_CFG register */
2493 offset += 4;
2494 }
2495 }
2496
2497 void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
2498 {
2499 rt2800_config_txpower(rt2x00dev, rt2x00dev->curr_band,
2500 rt2x00dev->tx_power);
2501 }
2502 EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
2503
2504 void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
2505 {
2506 u32 tx_pin;
2507 u8 rfcsr;
2508
2509 /*
2510 * A voltage-controlled oscillator(VCO) is an electronic oscillator
2511 * designed to be controlled in oscillation frequency by a voltage
2512 * input. Maybe the temperature will affect the frequency of
2513 * oscillation to be shifted. The VCO calibration will be called
2514 * periodically to adjust the frequency to be precision.
2515 */
2516
2517 rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
2518 tx_pin &= TX_PIN_CFG_PA_PE_DISABLE;
2519 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
2520
2521 switch (rt2x00dev->chip.rf) {
2522 case RF2020:
2523 case RF3020:
2524 case RF3021:
2525 case RF3022:
2526 case RF3320:
2527 case RF3052:
2528 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2529 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2530 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2531 break;
2532 case RF5370:
2533 case RF5372:
2534 case RF5390:
2535 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2536 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
2537 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2538 break;
2539 default:
2540 return;
2541 }
2542
2543 mdelay(1);
2544
2545 rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
2546 if (rt2x00dev->rf_channel <= 14) {
2547 switch (rt2x00dev->default_ant.tx_chain_num) {
2548 case 3:
2549 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1);
2550 /* fall through */
2551 case 2:
2552 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
2553 /* fall through */
2554 case 1:
2555 default:
2556 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
2557 break;
2558 }
2559 } else {
2560 switch (rt2x00dev->default_ant.tx_chain_num) {
2561 case 3:
2562 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1);
2563 /* fall through */
2564 case 2:
2565 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
2566 /* fall through */
2567 case 1:
2568 default:
2569 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
2570 break;
2571 }
2572 }
2573 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
2574
2575 }
2576 EXPORT_SYMBOL_GPL(rt2800_vco_calibration);
2577
2578 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
2579 struct rt2x00lib_conf *libconf)
2580 {
2581 u32 reg;
2582
2583 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
2584 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
2585 libconf->conf->short_frame_max_tx_count);
2586 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
2587 libconf->conf->long_frame_max_tx_count);
2588 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
2589 }
2590
2591 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
2592 struct rt2x00lib_conf *libconf)
2593 {
2594 enum dev_state state =
2595 (libconf->conf->flags & IEEE80211_CONF_PS) ?
2596 STATE_SLEEP : STATE_AWAKE;
2597 u32 reg;
2598
2599 if (state == STATE_SLEEP) {
2600 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
2601
2602 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
2603 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
2604 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
2605 libconf->conf->listen_interval - 1);
2606 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
2607 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
2608
2609 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
2610 } else {
2611 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
2612 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
2613 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
2614 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
2615 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
2616
2617 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
2618 }
2619 }
2620
2621 void rt2800_config(struct rt2x00_dev *rt2x00dev,
2622 struct rt2x00lib_conf *libconf,
2623 const unsigned int flags)
2624 {
2625 /* Always recalculate LNA gain before changing configuration */
2626 rt2800_config_lna_gain(rt2x00dev, libconf);
2627
2628 if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
2629 rt2800_config_channel(rt2x00dev, libconf->conf,
2630 &libconf->rf, &libconf->channel);
2631 rt2800_config_txpower(rt2x00dev, libconf->conf->channel->band,
2632 libconf->conf->power_level);
2633 }
2634 if (flags & IEEE80211_CONF_CHANGE_POWER)
2635 rt2800_config_txpower(rt2x00dev, libconf->conf->channel->band,
2636 libconf->conf->power_level);
2637 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
2638 rt2800_config_retry_limit(rt2x00dev, libconf);
2639 if (flags & IEEE80211_CONF_CHANGE_PS)
2640 rt2800_config_ps(rt2x00dev, libconf);
2641 }
2642 EXPORT_SYMBOL_GPL(rt2800_config);
2643
2644 /*
2645 * Link tuning
2646 */
2647 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
2648 {
2649 u32 reg;
2650
2651 /*
2652 * Update FCS error count from register.
2653 */
2654 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
2655 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
2656 }
2657 EXPORT_SYMBOL_GPL(rt2800_link_stats);
2658
2659 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
2660 {
2661 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2662 if (rt2x00_rt(rt2x00dev, RT3070) ||
2663 rt2x00_rt(rt2x00dev, RT3071) ||
2664 rt2x00_rt(rt2x00dev, RT3090) ||
2665 rt2x00_rt(rt2x00dev, RT3390) ||
2666 rt2x00_rt(rt2x00dev, RT5390) ||
2667 rt2x00_rt(rt2x00dev, RT5392))
2668 return 0x1c + (2 * rt2x00dev->lna_gain);
2669 else
2670 return 0x2e + rt2x00dev->lna_gain;
2671 }
2672
2673 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2674 return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
2675 else
2676 return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
2677 }
2678
2679 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
2680 struct link_qual *qual, u8 vgc_level)
2681 {
2682 if (qual->vgc_level != vgc_level) {
2683 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
2684 qual->vgc_level = vgc_level;
2685 qual->vgc_level_reg = vgc_level;
2686 }
2687 }
2688
2689 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
2690 {
2691 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
2692 }
2693 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
2694
2695 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
2696 const u32 count)
2697 {
2698 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
2699 return;
2700
2701 /*
2702 * When RSSI is better then -80 increase VGC level with 0x10
2703 */
2704 rt2800_set_vgc(rt2x00dev, qual,
2705 rt2800_get_default_vgc(rt2x00dev) +
2706 ((qual->rssi > -80) * 0x10));
2707 }
2708 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
2709
2710 /*
2711 * Initialization functions.
2712 */
2713 static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
2714 {
2715 u32 reg;
2716 u16 eeprom;
2717 unsigned int i;
2718 int ret;
2719
2720 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
2721 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
2722 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
2723 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
2724 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
2725 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
2726 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
2727
2728 ret = rt2800_drv_init_registers(rt2x00dev);
2729 if (ret)
2730 return ret;
2731
2732 rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
2733 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
2734 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
2735 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
2736 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
2737 rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
2738
2739 rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
2740 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
2741 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
2742 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
2743 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
2744 rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
2745
2746 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
2747 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
2748
2749 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
2750
2751 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
2752 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
2753 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
2754 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
2755 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
2756 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
2757 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
2758 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
2759
2760 rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
2761
2762 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
2763 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
2764 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
2765 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
2766
2767 if (rt2x00_rt(rt2x00dev, RT3071) ||
2768 rt2x00_rt(rt2x00dev, RT3090) ||
2769 rt2x00_rt(rt2x00dev, RT3390)) {
2770 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2771 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2772 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
2773 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
2774 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
2775 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
2776 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
2777 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
2778 0x0000002c);
2779 else
2780 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
2781 0x0000000f);
2782 } else {
2783 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2784 }
2785 } else if (rt2x00_rt(rt2x00dev, RT3070)) {
2786 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2787
2788 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
2789 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2790 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
2791 } else {
2792 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2793 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2794 }
2795 } else if (rt2800_is_305x_soc(rt2x00dev)) {
2796 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2797 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2798 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
2799 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
2800 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2801 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2802 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
2803 rt2x00_rt(rt2x00dev, RT5392)) {
2804 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
2805 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2806 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2807 } else {
2808 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
2809 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2810 }
2811
2812 rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
2813 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
2814 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
2815 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
2816 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
2817 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
2818 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
2819 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
2820 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
2821 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
2822
2823 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
2824 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
2825 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
2826 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
2827 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
2828
2829 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
2830 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
2831 if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
2832 rt2x00_rt(rt2x00dev, RT2883) ||
2833 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
2834 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
2835 else
2836 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
2837 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
2838 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
2839 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
2840
2841 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
2842 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
2843 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
2844 rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
2845 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
2846 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
2847 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
2848 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
2849 rt2800_register_write(rt2x00dev, LED_CFG, reg);
2850
2851 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
2852
2853 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
2854 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
2855 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
2856 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
2857 rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
2858 rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
2859 rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
2860 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
2861
2862 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
2863 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
2864 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
2865 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
2866 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
2867 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 1);
2868 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
2869 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
2870 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
2871
2872 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
2873 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
2874 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
2875 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
2876 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2877 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2878 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2879 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2880 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2881 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2882 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
2883 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
2884
2885 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
2886 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
2887 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
2888 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
2889 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2890 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2891 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2892 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2893 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2894 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2895 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
2896 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
2897
2898 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
2899 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
2900 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
2901 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
2902 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2903 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2904 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2905 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2906 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2907 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2908 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
2909 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
2910
2911 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
2912 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
2913 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
2914 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
2915 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2916 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2917 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2918 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
2919 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2920 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
2921 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
2922 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
2923
2924 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
2925 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
2926 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
2927 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
2928 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2929 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2930 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2931 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2932 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2933 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2934 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
2935 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
2936
2937 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
2938 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
2939 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
2940 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
2941 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2942 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2943 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2944 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
2945 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2946 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
2947 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
2948 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
2949
2950 if (rt2x00_is_usb(rt2x00dev)) {
2951 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
2952
2953 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
2954 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
2955 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
2956 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
2957 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
2958 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
2959 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
2960 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
2961 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
2962 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
2963 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
2964 }
2965
2966 /*
2967 * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
2968 * although it is reserved.
2969 */
2970 rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, &reg);
2971 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
2972 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
2973 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
2974 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
2975 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
2976 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
2977 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
2978 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
2979 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
2980 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CWMIN, 0);
2981 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
2982
2983 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
2984
2985 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
2986 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
2987 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
2988 IEEE80211_MAX_RTS_THRESHOLD);
2989 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
2990 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
2991
2992 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
2993
2994 /*
2995 * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
2996 * time should be set to 16. However, the original Ralink driver uses
2997 * 16 for both and indeed using a value of 10 for CCK SIFS results in
2998 * connection problems with 11g + CTS protection. Hence, use the same
2999 * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
3000 */
3001 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
3002 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
3003 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
3004 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
3005 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
3006 rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
3007 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
3008
3009 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
3010
3011 /*
3012 * ASIC will keep garbage value after boot, clear encryption keys.
3013 */
3014 for (i = 0; i < 4; i++)
3015 rt2800_register_write(rt2x00dev,
3016 SHARED_KEY_MODE_ENTRY(i), 0);
3017
3018 for (i = 0; i < 256; i++) {
3019 rt2800_config_wcid(rt2x00dev, NULL, i);
3020 rt2800_delete_wcid_attr(rt2x00dev, i);
3021 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
3022 }
3023
3024 /*
3025 * Clear all beacons
3026 */
3027 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE0);
3028 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE1);
3029 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE2);
3030 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE3);
3031 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE4);
3032 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE5);
3033 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE6);
3034 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE7);
3035
3036 if (rt2x00_is_usb(rt2x00dev)) {
3037 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
3038 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 30);
3039 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
3040 } else if (rt2x00_is_pcie(rt2x00dev)) {
3041 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
3042 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
3043 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
3044 }
3045
3046 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
3047 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
3048 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
3049 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
3050 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
3051 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
3052 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
3053 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
3054 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
3055 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
3056
3057 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
3058 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
3059 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
3060 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
3061 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
3062 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
3063 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
3064 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
3065 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
3066 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
3067
3068 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
3069 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
3070 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
3071 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
3072 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
3073 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
3074 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
3075 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
3076 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
3077 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
3078
3079 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
3080 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
3081 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
3082 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
3083 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
3084 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
3085
3086 /*
3087 * Do not force the BA window size, we use the TXWI to set it
3088 */
3089 rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, &reg);
3090 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
3091 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
3092 rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
3093
3094 /*
3095 * We must clear the error counters.
3096 * These registers are cleared on read,
3097 * so we may pass a useless variable to store the value.
3098 */
3099 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
3100 rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
3101 rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
3102 rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
3103 rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
3104 rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
3105
3106 /*
3107 * Setup leadtime for pre tbtt interrupt to 6ms
3108 */
3109 rt2800_register_read(rt2x00dev, INT_TIMER_CFG, &reg);
3110 rt2x00_set_field32(&reg, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
3111 rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
3112
3113 /*
3114 * Set up channel statistics timer
3115 */
3116 rt2800_register_read(rt2x00dev, CH_TIME_CFG, &reg);
3117 rt2x00_set_field32(&reg, CH_TIME_CFG_EIFS_BUSY, 1);
3118 rt2x00_set_field32(&reg, CH_TIME_CFG_NAV_BUSY, 1);
3119 rt2x00_set_field32(&reg, CH_TIME_CFG_RX_BUSY, 1);
3120 rt2x00_set_field32(&reg, CH_TIME_CFG_TX_BUSY, 1);
3121 rt2x00_set_field32(&reg, CH_TIME_CFG_TMR_EN, 1);
3122 rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
3123
3124 return 0;
3125 }
3126
3127 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
3128 {
3129 unsigned int i;
3130 u32 reg;
3131
3132 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
3133 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
3134 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
3135 return 0;
3136
3137 udelay(REGISTER_BUSY_DELAY);
3138 }
3139
3140 ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
3141 return -EACCES;
3142 }
3143
3144 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
3145 {
3146 unsigned int i;
3147 u8 value;
3148
3149 /*
3150 * BBP was enabled after firmware was loaded,
3151 * but we need to reactivate it now.
3152 */
3153 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
3154 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
3155 msleep(1);
3156
3157 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
3158 rt2800_bbp_read(rt2x00dev, 0, &value);
3159 if ((value != 0xff) && (value != 0x00))
3160 return 0;
3161 udelay(REGISTER_BUSY_DELAY);
3162 }
3163
3164 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
3165 return -EACCES;
3166 }
3167
3168 static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
3169 {
3170 unsigned int i;
3171 u16 eeprom;
3172 u8 reg_id;
3173 u8 value;
3174
3175 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
3176 rt2800_wait_bbp_ready(rt2x00dev)))
3177 return -EACCES;
3178
3179 if (rt2x00_rt(rt2x00dev, RT5390) ||
3180 rt2x00_rt(rt2x00dev, RT5392)) {
3181 rt2800_bbp_read(rt2x00dev, 4, &value);
3182 rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
3183 rt2800_bbp_write(rt2x00dev, 4, value);
3184 }
3185
3186 if (rt2800_is_305x_soc(rt2x00dev) ||
3187 rt2x00_rt(rt2x00dev, RT3572) ||
3188 rt2x00_rt(rt2x00dev, RT5390) ||
3189 rt2x00_rt(rt2x00dev, RT5392))
3190 rt2800_bbp_write(rt2x00dev, 31, 0x08);
3191
3192 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
3193 rt2800_bbp_write(rt2x00dev, 66, 0x38);
3194
3195 if (rt2x00_rt(rt2x00dev, RT5390) ||
3196 rt2x00_rt(rt2x00dev, RT5392))
3197 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
3198
3199 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
3200 rt2800_bbp_write(rt2x00dev, 69, 0x16);
3201 rt2800_bbp_write(rt2x00dev, 73, 0x12);
3202 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
3203 rt2x00_rt(rt2x00dev, RT5392)) {
3204 rt2800_bbp_write(rt2x00dev, 69, 0x12);
3205 rt2800_bbp_write(rt2x00dev, 73, 0x13);
3206 rt2800_bbp_write(rt2x00dev, 75, 0x46);
3207 rt2800_bbp_write(rt2x00dev, 76, 0x28);
3208 rt2800_bbp_write(rt2x00dev, 77, 0x59);
3209 } else {
3210 rt2800_bbp_write(rt2x00dev, 69, 0x12);
3211 rt2800_bbp_write(rt2x00dev, 73, 0x10);
3212 }
3213
3214 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3215
3216 if (rt2x00_rt(rt2x00dev, RT3070) ||
3217 rt2x00_rt(rt2x00dev, RT3071) ||
3218 rt2x00_rt(rt2x00dev, RT3090) ||
3219 rt2x00_rt(rt2x00dev, RT3390) ||
3220 rt2x00_rt(rt2x00dev, RT3572) ||
3221 rt2x00_rt(rt2x00dev, RT5390) ||
3222 rt2x00_rt(rt2x00dev, RT5392)) {
3223 rt2800_bbp_write(rt2x00dev, 79, 0x13);
3224 rt2800_bbp_write(rt2x00dev, 80, 0x05);
3225 rt2800_bbp_write(rt2x00dev, 81, 0x33);
3226 } else if (rt2800_is_305x_soc(rt2x00dev)) {
3227 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
3228 rt2800_bbp_write(rt2x00dev, 80, 0x08);
3229 } else {
3230 rt2800_bbp_write(rt2x00dev, 81, 0x37);
3231 }
3232
3233 rt2800_bbp_write(rt2x00dev, 82, 0x62);
3234 if (rt2x00_rt(rt2x00dev, RT5390) ||
3235 rt2x00_rt(rt2x00dev, RT5392))
3236 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
3237 else
3238 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
3239
3240 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
3241 rt2800_bbp_write(rt2x00dev, 84, 0x19);
3242 else if (rt2x00_rt(rt2x00dev, RT5390) ||
3243 rt2x00_rt(rt2x00dev, RT5392))
3244 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
3245 else
3246 rt2800_bbp_write(rt2x00dev, 84, 0x99);
3247
3248 if (rt2x00_rt(rt2x00dev, RT5390) ||
3249 rt2x00_rt(rt2x00dev, RT5392))
3250 rt2800_bbp_write(rt2x00dev, 86, 0x38);
3251 else
3252 rt2800_bbp_write(rt2x00dev, 86, 0x00);
3253
3254 if (rt2x00_rt(rt2x00dev, RT5392))
3255 rt2800_bbp_write(rt2x00dev, 88, 0x90);
3256
3257 rt2800_bbp_write(rt2x00dev, 91, 0x04);
3258
3259 if (rt2x00_rt(rt2x00dev, RT5390) ||
3260 rt2x00_rt(rt2x00dev, RT5392))
3261 rt2800_bbp_write(rt2x00dev, 92, 0x02);
3262 else
3263 rt2800_bbp_write(rt2x00dev, 92, 0x00);
3264
3265 if (rt2x00_rt(rt2x00dev, RT5392)) {
3266 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
3267 rt2800_bbp_write(rt2x00dev, 98, 0x12);
3268 }
3269
3270 if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
3271 rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
3272 rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E) ||
3273 rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E) ||
3274 rt2x00_rt(rt2x00dev, RT3572) ||
3275 rt2x00_rt(rt2x00dev, RT5390) ||
3276 rt2x00_rt(rt2x00dev, RT5392) ||
3277 rt2800_is_305x_soc(rt2x00dev))
3278 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
3279 else
3280 rt2800_bbp_write(rt2x00dev, 103, 0x00);
3281
3282 if (rt2x00_rt(rt2x00dev, RT5390) ||
3283 rt2x00_rt(rt2x00dev, RT5392))
3284 rt2800_bbp_write(rt2x00dev, 104, 0x92);
3285
3286 if (rt2800_is_305x_soc(rt2x00dev))
3287 rt2800_bbp_write(rt2x00dev, 105, 0x01);
3288 else if (rt2x00_rt(rt2x00dev, RT5390) ||
3289 rt2x00_rt(rt2x00dev, RT5392))
3290 rt2800_bbp_write(rt2x00dev, 105, 0x3c);
3291 else
3292 rt2800_bbp_write(rt2x00dev, 105, 0x05);
3293
3294 if (rt2x00_rt(rt2x00dev, RT5390))
3295 rt2800_bbp_write(rt2x00dev, 106, 0x03);
3296 else if (rt2x00_rt(rt2x00dev, RT5392))
3297 rt2800_bbp_write(rt2x00dev, 106, 0x12);
3298 else
3299 rt2800_bbp_write(rt2x00dev, 106, 0x35);
3300
3301 if (rt2x00_rt(rt2x00dev, RT5390) ||
3302 rt2x00_rt(rt2x00dev, RT5392))
3303 rt2800_bbp_write(rt2x00dev, 128, 0x12);
3304
3305 if (rt2x00_rt(rt2x00dev, RT5392)) {
3306 rt2800_bbp_write(rt2x00dev, 134, 0xd0);
3307 rt2800_bbp_write(rt2x00dev, 135, 0xf6);
3308 }
3309
3310 if (rt2x00_rt(rt2x00dev, RT3071) ||
3311 rt2x00_rt(rt2x00dev, RT3090) ||
3312 rt2x00_rt(rt2x00dev, RT3390) ||
3313 rt2x00_rt(rt2x00dev, RT3572) ||
3314 rt2x00_rt(rt2x00dev, RT5390) ||
3315 rt2x00_rt(rt2x00dev, RT5392)) {
3316 rt2800_bbp_read(rt2x00dev, 138, &value);
3317
3318 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3319 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
3320 value |= 0x20;
3321 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
3322 value &= ~0x02;
3323
3324 rt2800_bbp_write(rt2x00dev, 138, value);
3325 }
3326
3327 if (rt2x00_rt(rt2x00dev, RT5390) ||
3328 rt2x00_rt(rt2x00dev, RT5392)) {
3329 int ant, div_mode;
3330
3331 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3332 div_mode = rt2x00_get_field16(eeprom,
3333 EEPROM_NIC_CONF1_ANT_DIVERSITY);
3334 ant = (div_mode == 3) ? 1 : 0;
3335
3336 /* check if this is a Bluetooth combo card */
3337 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
3338 u32 reg;
3339
3340 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
3341 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT3, 0);
3342 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT6, 0);
3343 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT3, 0);
3344 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT6, 0);
3345 if (ant == 0)
3346 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT3, 1);
3347 else if (ant == 1)
3348 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT6, 1);
3349 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
3350 }
3351
3352 rt2800_bbp_read(rt2x00dev, 152, &value);
3353 if (ant == 0)
3354 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
3355 else
3356 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
3357 rt2800_bbp_write(rt2x00dev, 152, value);
3358
3359 /* Init frequency calibration */
3360 rt2800_bbp_write(rt2x00dev, 142, 1);
3361 rt2800_bbp_write(rt2x00dev, 143, 57);
3362 }
3363
3364 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
3365 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
3366
3367 if (eeprom != 0xffff && eeprom != 0x0000) {
3368 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
3369 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
3370 rt2800_bbp_write(rt2x00dev, reg_id, value);
3371 }
3372 }
3373
3374 return 0;
3375 }
3376
3377 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
3378 bool bw40, u8 rfcsr24, u8 filter_target)
3379 {
3380 unsigned int i;
3381 u8 bbp;
3382 u8 rfcsr;
3383 u8 passband;
3384 u8 stopband;
3385 u8 overtuned = 0;
3386
3387 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3388
3389 rt2800_bbp_read(rt2x00dev, 4, &bbp);
3390 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
3391 rt2800_bbp_write(rt2x00dev, 4, bbp);
3392
3393 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
3394 rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
3395 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
3396
3397 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
3398 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
3399 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
3400
3401 /*
3402 * Set power & frequency of passband test tone
3403 */
3404 rt2800_bbp_write(rt2x00dev, 24, 0);
3405
3406 for (i = 0; i < 100; i++) {
3407 rt2800_bbp_write(rt2x00dev, 25, 0x90);
3408 msleep(1);
3409
3410 rt2800_bbp_read(rt2x00dev, 55, &passband);
3411 if (passband)
3412 break;
3413 }
3414
3415 /*
3416 * Set power & frequency of stopband test tone
3417 */
3418 rt2800_bbp_write(rt2x00dev, 24, 0x06);
3419
3420 for (i = 0; i < 100; i++) {
3421 rt2800_bbp_write(rt2x00dev, 25, 0x90);
3422 msleep(1);
3423
3424 rt2800_bbp_read(rt2x00dev, 55, &stopband);
3425
3426 if ((passband - stopband) <= filter_target) {
3427 rfcsr24++;
3428 overtuned += ((passband - stopband) == filter_target);
3429 } else
3430 break;
3431
3432 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3433 }
3434
3435 rfcsr24 -= !!overtuned;
3436
3437 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3438 return rfcsr24;
3439 }
3440
3441 static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
3442 {
3443 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
3444 u8 rfcsr;
3445 u8 bbp;
3446 u32 reg;
3447 u16 eeprom;
3448
3449 if (!rt2x00_rt(rt2x00dev, RT3070) &&
3450 !rt2x00_rt(rt2x00dev, RT3071) &&
3451 !rt2x00_rt(rt2x00dev, RT3090) &&
3452 !rt2x00_rt(rt2x00dev, RT3390) &&
3453 !rt2x00_rt(rt2x00dev, RT3572) &&
3454 !rt2x00_rt(rt2x00dev, RT5390) &&
3455 !rt2x00_rt(rt2x00dev, RT5392) &&
3456 !rt2800_is_305x_soc(rt2x00dev))
3457 return 0;
3458
3459 /*
3460 * Init RF calibration.
3461 */
3462 if (rt2x00_rt(rt2x00dev, RT5390) ||
3463 rt2x00_rt(rt2x00dev, RT5392)) {
3464 rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
3465 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
3466 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
3467 msleep(1);
3468 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0);
3469 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
3470 } else {
3471 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3472 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
3473 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3474 msleep(1);
3475 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
3476 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3477 }
3478
3479 if (rt2x00_rt(rt2x00dev, RT3070) ||
3480 rt2x00_rt(rt2x00dev, RT3071) ||
3481 rt2x00_rt(rt2x00dev, RT3090)) {
3482 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3483 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
3484 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
3485 rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
3486 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
3487 rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
3488 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3489 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
3490 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3491 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
3492 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
3493 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
3494 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
3495 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
3496 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
3497 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
3498 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
3499 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
3500 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
3501 } else if (rt2x00_rt(rt2x00dev, RT3390)) {
3502 rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
3503 rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
3504 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
3505 rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
3506 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3507 rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
3508 rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
3509 rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
3510 rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
3511 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
3512 rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
3513 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3514 rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
3515 rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
3516 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3517 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
3518 rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
3519 rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
3520 rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
3521 rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
3522 rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
3523 rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
3524 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3525 rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
3526 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
3527 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
3528 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
3529 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
3530 rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
3531 rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
3532 rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
3533 rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
3534 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
3535 rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
3536 rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
3537 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
3538 rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
3539 rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
3540 rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
3541 rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
3542 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
3543 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
3544 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
3545 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
3546 rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
3547 rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
3548 rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
3549 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
3550 rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
3551 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
3552 rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
3553 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
3554 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
3555 rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
3556 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3557 rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
3558 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
3559 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
3560 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
3561 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
3562 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
3563 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
3564 rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
3565 rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
3566 } else if (rt2800_is_305x_soc(rt2x00dev)) {
3567 rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
3568 rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
3569 rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
3570 rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
3571 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3572 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
3573 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
3574 rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
3575 rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
3576 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
3577 rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
3578 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3579 rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
3580 rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
3581 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3582 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
3583 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
3584 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
3585 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
3586 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
3587 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
3588 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
3589 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3590 rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
3591 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
3592 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
3593 rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
3594 rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
3595 rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
3596 rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
3597 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
3598 rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
3599 return 0;
3600 } else if (rt2x00_rt(rt2x00dev, RT5390)) {
3601 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
3602 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
3603 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
3604 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
3605 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3606 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
3607 else
3608 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
3609 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
3610 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
3611 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
3612 rt2800_rfcsr_write(rt2x00dev, 12, 0xc6);
3613 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
3614 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
3615 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
3616 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
3617 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
3618 rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
3619
3620 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
3621 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
3622 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
3623 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
3624 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
3625 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3626 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
3627 else
3628 rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
3629 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
3630 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
3631 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
3632 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
3633
3634 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
3635 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
3636 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
3637 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
3638 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
3639 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
3640 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
3641 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
3642 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
3643 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
3644
3645 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3646 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
3647 else
3648 rt2800_rfcsr_write(rt2x00dev, 40, 0x4b);
3649 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
3650 rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
3651 rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
3652 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
3653 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
3654 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3655 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
3656 else
3657 rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
3658 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
3659 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
3660 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
3661
3662 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
3663 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3664 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
3665 else
3666 rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
3667 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
3668 rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
3669 rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
3670 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
3671 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
3672 rt2800_rfcsr_write(rt2x00dev, 59, 0x63);
3673
3674 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
3675 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3676 rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
3677 else
3678 rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
3679 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
3680 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
3681 } else if (rt2x00_rt(rt2x00dev, RT5392)) {
3682 rt2800_rfcsr_write(rt2x00dev, 1, 0x17);
3683 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
3684 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
3685 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
3686 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
3687 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
3688 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
3689 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
3690 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
3691 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
3692 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
3693 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
3694 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
3695 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
3696 rt2800_rfcsr_write(rt2x00dev, 19, 0x4d);
3697 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
3698 rt2800_rfcsr_write(rt2x00dev, 21, 0x8d);
3699 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
3700 rt2800_rfcsr_write(rt2x00dev, 23, 0x0b);
3701 rt2800_rfcsr_write(rt2x00dev, 24, 0x44);
3702 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
3703 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
3704 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
3705 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
3706 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
3707 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
3708 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
3709 rt2800_rfcsr_write(rt2x00dev, 32, 0x20);
3710 rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
3711 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
3712 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
3713 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
3714 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
3715 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
3716 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
3717 rt2800_rfcsr_write(rt2x00dev, 40, 0x0f);
3718 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
3719 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
3720 rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
3721 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
3722 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
3723 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
3724 rt2800_rfcsr_write(rt2x00dev, 47, 0x0c);
3725 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
3726 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
3727 rt2800_rfcsr_write(rt2x00dev, 50, 0x94);
3728 rt2800_rfcsr_write(rt2x00dev, 51, 0x3a);
3729 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
3730 rt2800_rfcsr_write(rt2x00dev, 53, 0x44);
3731 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
3732 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
3733 rt2800_rfcsr_write(rt2x00dev, 56, 0xa1);
3734 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
3735 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
3736 rt2800_rfcsr_write(rt2x00dev, 59, 0x07);
3737 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
3738 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
3739 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
3740 rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
3741 }
3742
3743 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
3744 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3745 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3746 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3747 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3748 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
3749 rt2x00_rt(rt2x00dev, RT3090)) {
3750 rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
3751
3752 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
3753 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
3754 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
3755
3756 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3757 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3758 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3759 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
3760 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3761 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
3762 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3763 else
3764 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
3765 }
3766 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3767
3768 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
3769 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
3770 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
3771 } else if (rt2x00_rt(rt2x00dev, RT3390)) {
3772 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
3773 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
3774 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
3775 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
3776 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
3777 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
3778 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
3779
3780 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3781 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3782 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3783 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3784 msleep(1);
3785 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3786 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3787 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3788 }
3789
3790 /*
3791 * Set RX Filter calibration for 20MHz and 40MHz
3792 */
3793 if (rt2x00_rt(rt2x00dev, RT3070)) {
3794 drv_data->calibration_bw20 =
3795 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
3796 drv_data->calibration_bw40 =
3797 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
3798 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
3799 rt2x00_rt(rt2x00dev, RT3090) ||
3800 rt2x00_rt(rt2x00dev, RT3390) ||
3801 rt2x00_rt(rt2x00dev, RT3572)) {
3802 drv_data->calibration_bw20 =
3803 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x13);
3804 drv_data->calibration_bw40 =
3805 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x15);
3806 }
3807
3808 /*
3809 * Save BBP 25 & 26 values for later use in channel switching
3810 */
3811 rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
3812 rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
3813
3814 if (!rt2x00_rt(rt2x00dev, RT5390) &&
3815 !rt2x00_rt(rt2x00dev, RT5392)) {
3816 /*
3817 * Set back to initial state
3818 */
3819 rt2800_bbp_write(rt2x00dev, 24, 0);
3820
3821 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
3822 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
3823 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
3824
3825 /*
3826 * Set BBP back to BW20
3827 */
3828 rt2800_bbp_read(rt2x00dev, 4, &bbp);
3829 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
3830 rt2800_bbp_write(rt2x00dev, 4, bbp);
3831 }
3832
3833 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
3834 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3835 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
3836 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
3837 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
3838
3839 rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
3840 rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
3841 rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
3842
3843 if (!rt2x00_rt(rt2x00dev, RT5390) &&
3844 !rt2x00_rt(rt2x00dev, RT5392)) {
3845 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
3846 rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
3847 if (rt2x00_rt(rt2x00dev, RT3070) ||
3848 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3849 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
3850 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
3851 if (!test_bit(CAPABILITY_EXTERNAL_LNA_BG,
3852 &rt2x00dev->cap_flags))
3853 rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
3854 }
3855 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
3856 drv_data->txmixer_gain_24g);
3857 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
3858 }
3859
3860 if (rt2x00_rt(rt2x00dev, RT3090)) {
3861 rt2800_bbp_read(rt2x00dev, 138, &bbp);
3862
3863 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
3864 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3865 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
3866 rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
3867 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
3868 rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
3869
3870 rt2800_bbp_write(rt2x00dev, 138, bbp);
3871 }
3872
3873 if (rt2x00_rt(rt2x00dev, RT3071) ||
3874 rt2x00_rt(rt2x00dev, RT3090) ||
3875 rt2x00_rt(rt2x00dev, RT3390)) {
3876 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
3877 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
3878 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
3879 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
3880 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
3881 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
3882 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
3883
3884 rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
3885 rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
3886 rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
3887
3888 rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
3889 rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
3890 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
3891
3892 rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
3893 rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
3894 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
3895 }
3896
3897 if (rt2x00_rt(rt2x00dev, RT3070)) {
3898 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
3899 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
3900 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
3901 else
3902 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
3903 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
3904 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
3905 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
3906 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
3907 }
3908
3909 if (rt2x00_rt(rt2x00dev, RT5390) ||
3910 rt2x00_rt(rt2x00dev, RT5392)) {
3911 rt2800_rfcsr_read(rt2x00dev, 38, &rfcsr);
3912 rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0);
3913 rt2800_rfcsr_write(rt2x00dev, 38, rfcsr);
3914
3915 rt2800_rfcsr_read(rt2x00dev, 39, &rfcsr);
3916 rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0);
3917 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
3918
3919 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3920 rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
3921 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3922 }
3923
3924 return 0;
3925 }
3926
3927 int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
3928 {
3929 u32 reg;
3930 u16 word;
3931
3932 /*
3933 * Initialize all registers.
3934 */
3935 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
3936 rt2800_init_registers(rt2x00dev) ||
3937 rt2800_init_bbp(rt2x00dev) ||
3938 rt2800_init_rfcsr(rt2x00dev)))
3939 return -EIO;
3940
3941 /*
3942 * Send signal to firmware during boot time.
3943 */
3944 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
3945
3946 if (rt2x00_is_usb(rt2x00dev) &&
3947 (rt2x00_rt(rt2x00dev, RT3070) ||
3948 rt2x00_rt(rt2x00dev, RT3071) ||
3949 rt2x00_rt(rt2x00dev, RT3572))) {
3950 udelay(200);
3951 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
3952 udelay(10);
3953 }
3954
3955 /*
3956 * Enable RX.
3957 */
3958 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
3959 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
3960 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
3961 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
3962
3963 udelay(50);
3964
3965 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
3966 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
3967 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
3968 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
3969 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
3970 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
3971
3972 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
3973 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
3974 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
3975 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
3976
3977 /*
3978 * Initialize LED control
3979 */
3980 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF, &word);
3981 rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
3982 word & 0xff, (word >> 8) & 0xff);
3983
3984 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF, &word);
3985 rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
3986 word & 0xff, (word >> 8) & 0xff);
3987
3988 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY, &word);
3989 rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
3990 word & 0xff, (word >> 8) & 0xff);
3991
3992 return 0;
3993 }
3994 EXPORT_SYMBOL_GPL(rt2800_enable_radio);
3995
3996 void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
3997 {
3998 u32 reg;
3999
4000 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
4001 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
4002 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
4003 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
4004
4005 /* Wait for DMA, ignore error */
4006 rt2800_wait_wpdma_ready(rt2x00dev);
4007
4008 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
4009 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
4010 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
4011 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
4012 }
4013 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
4014
4015 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
4016 {
4017 u32 reg;
4018
4019 rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
4020
4021 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
4022 }
4023 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
4024
4025 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
4026 {
4027 u32 reg;
4028
4029 mutex_lock(&rt2x00dev->csr_mutex);
4030
4031 rt2800_register_read_lock(rt2x00dev, EFUSE_CTRL, &reg);
4032 rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
4033 rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
4034 rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
4035 rt2800_register_write_lock(rt2x00dev, EFUSE_CTRL, reg);
4036
4037 /* Wait until the EEPROM has been loaded */
4038 rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
4039
4040 /* Apparently the data is read from end to start */
4041 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, &reg);
4042 /* The returned value is in CPU order, but eeprom is le */
4043 *(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
4044 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, &reg);
4045 *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
4046 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, &reg);
4047 *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
4048 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0, &reg);
4049 *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
4050
4051 mutex_unlock(&rt2x00dev->csr_mutex);
4052 }
4053
4054 void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
4055 {
4056 unsigned int i;
4057
4058 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
4059 rt2800_efuse_read(rt2x00dev, i);
4060 }
4061 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
4062
4063 int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
4064 {
4065 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
4066 u16 word;
4067 u8 *mac;
4068 u8 default_lna_gain;
4069
4070 /*
4071 * Start validation of the data that has been read.
4072 */
4073 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
4074 if (!is_valid_ether_addr(mac)) {
4075 random_ether_addr(mac);
4076 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
4077 }
4078
4079 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word);
4080 if (word == 0xffff) {
4081 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
4082 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
4083 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
4084 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
4085 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
4086 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
4087 rt2x00_rt(rt2x00dev, RT2872)) {
4088 /*
4089 * There is a max of 2 RX streams for RT28x0 series
4090 */
4091 if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
4092 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
4093 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
4094 }
4095
4096 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &word);
4097 if (word == 0xffff) {
4098 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
4099 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
4100 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
4101 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
4102 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
4103 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
4104 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
4105 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
4106 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
4107 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
4108 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
4109 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
4110 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
4111 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
4112 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
4113 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
4114 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
4115 }
4116
4117 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
4118 if ((word & 0x00ff) == 0x00ff) {
4119 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
4120 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
4121 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
4122 }
4123 if ((word & 0xff00) == 0xff00) {
4124 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
4125 LED_MODE_TXRX_ACTIVITY);
4126 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
4127 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
4128 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
4129 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
4130 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
4131 EEPROM(rt2x00dev, "Led Mode: 0x%04x\n", word);
4132 }
4133
4134 /*
4135 * During the LNA validation we are going to use
4136 * lna0 as correct value. Note that EEPROM_LNA
4137 * is never validated.
4138 */
4139 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
4140 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
4141
4142 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
4143 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
4144 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
4145 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
4146 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
4147 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
4148
4149 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &word);
4150 if ((word & 0x00ff) != 0x00ff) {
4151 drv_data->txmixer_gain_24g =
4152 rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
4153 } else {
4154 drv_data->txmixer_gain_24g = 0;
4155 }
4156
4157 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
4158 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
4159 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
4160 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
4161 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
4162 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
4163 default_lna_gain);
4164 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
4165
4166 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A, &word);
4167 if ((word & 0x00ff) != 0x00ff) {
4168 drv_data->txmixer_gain_5g =
4169 rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
4170 } else {
4171 drv_data->txmixer_gain_5g = 0;
4172 }
4173
4174 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
4175 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
4176 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
4177 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
4178 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
4179 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
4180
4181 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
4182 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
4183 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
4184 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
4185 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
4186 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
4187 default_lna_gain);
4188 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
4189
4190 return 0;
4191 }
4192 EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
4193
4194 int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
4195 {
4196 u32 reg;
4197 u16 value;
4198 u16 eeprom;
4199
4200 /*
4201 * Read EEPROM word for configuration.
4202 */
4203 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
4204
4205 /*
4206 * Identify RF chipset by EEPROM value
4207 * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
4208 * RT53xx: defined in "EEPROM_CHIP_ID" field
4209 */
4210 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
4211 if (rt2x00_get_field32(reg, MAC_CSR0_CHIPSET) == RT5390 ||
4212 rt2x00_get_field32(reg, MAC_CSR0_CHIPSET) == RT5392)
4213 rt2x00_eeprom_read(rt2x00dev, EEPROM_CHIP_ID, &value);
4214 else
4215 value = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
4216
4217 rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
4218 value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
4219
4220 switch (rt2x00dev->chip.rt) {
4221 case RT2860:
4222 case RT2872:
4223 case RT2883:
4224 case RT3070:
4225 case RT3071:
4226 case RT3090:
4227 case RT3390:
4228 case RT3572:
4229 case RT5390:
4230 case RT5392:
4231 break;
4232 default:
4233 ERROR(rt2x00dev, "Invalid RT chipset 0x%04x detected.\n", rt2x00dev->chip.rt);
4234 return -ENODEV;
4235 }
4236
4237 switch (rt2x00dev->chip.rf) {
4238 case RF2820:
4239 case RF2850:
4240 case RF2720:
4241 case RF2750:
4242 case RF3020:
4243 case RF2020:
4244 case RF3021:
4245 case RF3022:
4246 case RF3052:
4247 case RF3320:
4248 case RF5370:
4249 case RF5372:
4250 case RF5390:
4251 break;
4252 default:
4253 ERROR(rt2x00dev, "Invalid RF chipset 0x%04x detected.\n",
4254 rt2x00dev->chip.rf);
4255 return -ENODEV;
4256 }
4257
4258 /*
4259 * Identify default antenna configuration.
4260 */
4261 rt2x00dev->default_ant.tx_chain_num =
4262 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
4263 rt2x00dev->default_ant.rx_chain_num =
4264 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
4265
4266 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
4267
4268 if (rt2x00_rt(rt2x00dev, RT3070) ||
4269 rt2x00_rt(rt2x00dev, RT3090) ||
4270 rt2x00_rt(rt2x00dev, RT3390)) {
4271 value = rt2x00_get_field16(eeprom,
4272 EEPROM_NIC_CONF1_ANT_DIVERSITY);
4273 switch (value) {
4274 case 0:
4275 case 1:
4276 case 2:
4277 rt2x00dev->default_ant.tx = ANTENNA_A;
4278 rt2x00dev->default_ant.rx = ANTENNA_A;
4279 break;
4280 case 3:
4281 rt2x00dev->default_ant.tx = ANTENNA_A;
4282 rt2x00dev->default_ant.rx = ANTENNA_B;
4283 break;
4284 }
4285 } else {
4286 rt2x00dev->default_ant.tx = ANTENNA_A;
4287 rt2x00dev->default_ant.rx = ANTENNA_A;
4288 }
4289
4290 /*
4291 * Determine external LNA informations.
4292 */
4293 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
4294 __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
4295 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
4296 __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
4297
4298 /*
4299 * Detect if this device has an hardware controlled radio.
4300 */
4301 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
4302 __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
4303
4304 /*
4305 * Detect if this device has Bluetooth co-existence.
4306 */
4307 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
4308 __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
4309
4310 /*
4311 * Read frequency offset and RF programming sequence.
4312 */
4313 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
4314 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
4315
4316 /*
4317 * Store led settings, for correct led behaviour.
4318 */
4319 #ifdef CONFIG_RT2X00_LIB_LEDS
4320 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
4321 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
4322 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
4323
4324 rt2x00dev->led_mcu_reg = eeprom;
4325 #endif /* CONFIG_RT2X00_LIB_LEDS */
4326
4327 /*
4328 * Check if support EIRP tx power limit feature.
4329 */
4330 rt2x00_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom);
4331
4332 if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
4333 EIRP_MAX_TX_POWER_LIMIT)
4334 __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
4335
4336 return 0;
4337 }
4338 EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
4339
4340 /*
4341 * RF value list for rt28xx
4342 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
4343 */
4344 static const struct rf_channel rf_vals[] = {
4345 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
4346 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
4347 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
4348 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
4349 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
4350 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
4351 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
4352 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
4353 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
4354 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
4355 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
4356 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
4357 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
4358 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
4359
4360 /* 802.11 UNI / HyperLan 2 */
4361 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
4362 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
4363 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
4364 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
4365 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
4366 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
4367 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
4368 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
4369 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
4370 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
4371 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
4372 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
4373
4374 /* 802.11 HyperLan 2 */
4375 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
4376 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
4377 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
4378 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
4379 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
4380 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
4381 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
4382 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
4383 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
4384 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
4385 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
4386 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
4387 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
4388 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
4389 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
4390 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
4391
4392 /* 802.11 UNII */
4393 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
4394 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
4395 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
4396 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
4397 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
4398 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
4399 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
4400 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
4401 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
4402 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
4403 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
4404
4405 /* 802.11 Japan */
4406 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
4407 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
4408 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
4409 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
4410 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
4411 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
4412 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
4413 };
4414
4415 /*
4416 * RF value list for rt3xxx
4417 * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052)
4418 */
4419 static const struct rf_channel rf_vals_3x[] = {
4420 {1, 241, 2, 2 },
4421 {2, 241, 2, 7 },
4422 {3, 242, 2, 2 },
4423 {4, 242, 2, 7 },
4424 {5, 243, 2, 2 },
4425 {6, 243, 2, 7 },
4426 {7, 244, 2, 2 },
4427 {8, 244, 2, 7 },
4428 {9, 245, 2, 2 },
4429 {10, 245, 2, 7 },
4430 {11, 246, 2, 2 },
4431 {12, 246, 2, 7 },
4432 {13, 247, 2, 2 },
4433 {14, 248, 2, 4 },
4434
4435 /* 802.11 UNI / HyperLan 2 */
4436 {36, 0x56, 0, 4},
4437 {38, 0x56, 0, 6},
4438 {40, 0x56, 0, 8},
4439 {44, 0x57, 0, 0},
4440 {46, 0x57, 0, 2},
4441 {48, 0x57, 0, 4},
4442 {52, 0x57, 0, 8},
4443 {54, 0x57, 0, 10},
4444 {56, 0x58, 0, 0},
4445 {60, 0x58, 0, 4},
4446 {62, 0x58, 0, 6},
4447 {64, 0x58, 0, 8},
4448
4449 /* 802.11 HyperLan 2 */
4450 {100, 0x5b, 0, 8},
4451 {102, 0x5b, 0, 10},
4452 {104, 0x5c, 0, 0},
4453 {108, 0x5c, 0, 4},
4454 {110, 0x5c, 0, 6},
4455 {112, 0x5c, 0, 8},
4456 {116, 0x5d, 0, 0},
4457 {118, 0x5d, 0, 2},
4458 {120, 0x5d, 0, 4},
4459 {124, 0x5d, 0, 8},
4460 {126, 0x5d, 0, 10},
4461 {128, 0x5e, 0, 0},
4462 {132, 0x5e, 0, 4},
4463 {134, 0x5e, 0, 6},
4464 {136, 0x5e, 0, 8},
4465 {140, 0x5f, 0, 0},
4466
4467 /* 802.11 UNII */
4468 {149, 0x5f, 0, 9},
4469 {151, 0x5f, 0, 11},
4470 {153, 0x60, 0, 1},
4471 {157, 0x60, 0, 5},
4472 {159, 0x60, 0, 7},
4473 {161, 0x60, 0, 9},
4474 {165, 0x61, 0, 1},
4475 {167, 0x61, 0, 3},
4476 {169, 0x61, 0, 5},
4477 {171, 0x61, 0, 7},
4478 {173, 0x61, 0, 9},
4479 };
4480
4481 int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
4482 {
4483 struct hw_mode_spec *spec = &rt2x00dev->spec;
4484 struct channel_info *info;
4485 char *default_power1;
4486 char *default_power2;
4487 unsigned int i;
4488 u16 eeprom;
4489
4490 /*
4491 * Disable powersaving as default on PCI devices.
4492 */
4493 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
4494 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
4495
4496 /*
4497 * Initialize all hw fields.
4498 */
4499 rt2x00dev->hw->flags =
4500 IEEE80211_HW_SIGNAL_DBM |
4501 IEEE80211_HW_SUPPORTS_PS |
4502 IEEE80211_HW_PS_NULLFUNC_STACK |
4503 IEEE80211_HW_AMPDU_AGGREGATION |
4504 IEEE80211_HW_REPORTS_TX_ACK_STATUS;
4505
4506 /*
4507 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
4508 * unless we are capable of sending the buffered frames out after the
4509 * DTIM transmission using rt2x00lib_beacondone. This will send out
4510 * multicast and broadcast traffic immediately instead of buffering it
4511 * infinitly and thus dropping it after some time.
4512 */
4513 if (!rt2x00_is_usb(rt2x00dev))
4514 rt2x00dev->hw->flags |=
4515 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
4516
4517 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
4518 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
4519 rt2x00_eeprom_addr(rt2x00dev,
4520 EEPROM_MAC_ADDR_0));
4521
4522 /*
4523 * As rt2800 has a global fallback table we cannot specify
4524 * more then one tx rate per frame but since the hw will
4525 * try several rates (based on the fallback table) we should
4526 * initialize max_report_rates to the maximum number of rates
4527 * we are going to try. Otherwise mac80211 will truncate our
4528 * reported tx rates and the rc algortihm will end up with
4529 * incorrect data.
4530 */
4531 rt2x00dev->hw->max_rates = 1;
4532 rt2x00dev->hw->max_report_rates = 7;
4533 rt2x00dev->hw->max_rate_tries = 1;
4534
4535 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
4536
4537 /*
4538 * Initialize hw_mode information.
4539 */
4540 spec->supported_bands = SUPPORT_BAND_2GHZ;
4541 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
4542
4543 if (rt2x00_rf(rt2x00dev, RF2820) ||
4544 rt2x00_rf(rt2x00dev, RF2720)) {
4545 spec->num_channels = 14;
4546 spec->channels = rf_vals;
4547 } else if (rt2x00_rf(rt2x00dev, RF2850) ||
4548 rt2x00_rf(rt2x00dev, RF2750)) {
4549 spec->supported_bands |= SUPPORT_BAND_5GHZ;
4550 spec->num_channels = ARRAY_SIZE(rf_vals);
4551 spec->channels = rf_vals;
4552 } else if (rt2x00_rf(rt2x00dev, RF3020) ||
4553 rt2x00_rf(rt2x00dev, RF2020) ||
4554 rt2x00_rf(rt2x00dev, RF3021) ||
4555 rt2x00_rf(rt2x00dev, RF3022) ||
4556 rt2x00_rf(rt2x00dev, RF3320) ||
4557 rt2x00_rf(rt2x00dev, RF5370) ||
4558 rt2x00_rf(rt2x00dev, RF5372) ||
4559 rt2x00_rf(rt2x00dev, RF5390)) {
4560 spec->num_channels = 14;
4561 spec->channels = rf_vals_3x;
4562 } else if (rt2x00_rf(rt2x00dev, RF3052)) {
4563 spec->supported_bands |= SUPPORT_BAND_5GHZ;
4564 spec->num_channels = ARRAY_SIZE(rf_vals_3x);
4565 spec->channels = rf_vals_3x;
4566 }
4567
4568 /*
4569 * Initialize HT information.
4570 */
4571 if (!rt2x00_rf(rt2x00dev, RF2020))
4572 spec->ht.ht_supported = true;
4573 else
4574 spec->ht.ht_supported = false;
4575
4576 spec->ht.cap =
4577 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
4578 IEEE80211_HT_CAP_GRN_FLD |
4579 IEEE80211_HT_CAP_SGI_20 |
4580 IEEE80211_HT_CAP_SGI_40;
4581
4582 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) >= 2)
4583 spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
4584
4585 spec->ht.cap |=
4586 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) <<
4587 IEEE80211_HT_CAP_RX_STBC_SHIFT;
4588
4589 spec->ht.ampdu_factor = 3;
4590 spec->ht.ampdu_density = 4;
4591 spec->ht.mcs.tx_params =
4592 IEEE80211_HT_MCS_TX_DEFINED |
4593 IEEE80211_HT_MCS_TX_RX_DIFF |
4594 ((rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) - 1) <<
4595 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
4596
4597 switch (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH)) {
4598 case 3:
4599 spec->ht.mcs.rx_mask[2] = 0xff;
4600 case 2:
4601 spec->ht.mcs.rx_mask[1] = 0xff;
4602 case 1:
4603 spec->ht.mcs.rx_mask[0] = 0xff;
4604 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
4605 break;
4606 }
4607
4608 /*
4609 * Create channel information array
4610 */
4611 info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
4612 if (!info)
4613 return -ENOMEM;
4614
4615 spec->channels_info = info;
4616
4617 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
4618 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
4619
4620 for (i = 0; i < 14; i++) {
4621 info[i].default_power1 = default_power1[i];
4622 info[i].default_power2 = default_power2[i];
4623 }
4624
4625 if (spec->num_channels > 14) {
4626 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
4627 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
4628
4629 for (i = 14; i < spec->num_channels; i++) {
4630 info[i].default_power1 = default_power1[i];
4631 info[i].default_power2 = default_power2[i];
4632 }
4633 }
4634
4635 switch (rt2x00dev->chip.rf) {
4636 case RF2020:
4637 case RF3020:
4638 case RF3021:
4639 case RF3022:
4640 case RF3320:
4641 case RF3052:
4642 case RF5370:
4643 case RF5372:
4644 case RF5390:
4645 __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags);
4646 break;
4647 }
4648
4649 return 0;
4650 }
4651 EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode);
4652
4653 /*
4654 * IEEE80211 stack callback functions.
4655 */
4656 void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32,
4657 u16 *iv16)
4658 {
4659 struct rt2x00_dev *rt2x00dev = hw->priv;
4660 struct mac_iveiv_entry iveiv_entry;
4661 u32 offset;
4662
4663 offset = MAC_IVEIV_ENTRY(hw_key_idx);
4664 rt2800_register_multiread(rt2x00dev, offset,
4665 &iveiv_entry, sizeof(iveiv_entry));
4666
4667 memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16));
4668 memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32));
4669 }
4670 EXPORT_SYMBOL_GPL(rt2800_get_tkip_seq);
4671
4672 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
4673 {
4674 struct rt2x00_dev *rt2x00dev = hw->priv;
4675 u32 reg;
4676 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
4677
4678 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
4679 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
4680 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
4681
4682 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
4683 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
4684 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
4685
4686 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
4687 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
4688 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
4689
4690 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
4691 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
4692 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
4693
4694 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
4695 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
4696 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
4697
4698 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
4699 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
4700 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
4701
4702 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
4703 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
4704 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
4705
4706 return 0;
4707 }
4708 EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
4709
4710 int rt2800_conf_tx(struct ieee80211_hw *hw,
4711 struct ieee80211_vif *vif, u16 queue_idx,
4712 const struct ieee80211_tx_queue_params *params)
4713 {
4714 struct rt2x00_dev *rt2x00dev = hw->priv;
4715 struct data_queue *queue;
4716 struct rt2x00_field32 field;
4717 int retval;
4718 u32 reg;
4719 u32 offset;
4720
4721 /*
4722 * First pass the configuration through rt2x00lib, that will
4723 * update the queue settings and validate the input. After that
4724 * we are free to update the registers based on the value
4725 * in the queue parameter.
4726 */
4727 retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
4728 if (retval)
4729 return retval;
4730
4731 /*
4732 * We only need to perform additional register initialization
4733 * for WMM queues/
4734 */
4735 if (queue_idx >= 4)
4736 return 0;
4737
4738 queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
4739
4740 /* Update WMM TXOP register */
4741 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
4742 field.bit_offset = (queue_idx & 1) * 16;
4743 field.bit_mask = 0xffff << field.bit_offset;
4744
4745 rt2800_register_read(rt2x00dev, offset, &reg);
4746 rt2x00_set_field32(&reg, field, queue->txop);
4747 rt2800_register_write(rt2x00dev, offset, reg);
4748
4749 /* Update WMM registers */
4750 field.bit_offset = queue_idx * 4;
4751 field.bit_mask = 0xf << field.bit_offset;
4752
4753 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
4754 rt2x00_set_field32(&reg, field, queue->aifs);
4755 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
4756
4757 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
4758 rt2x00_set_field32(&reg, field, queue->cw_min);
4759 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
4760
4761 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
4762 rt2x00_set_field32(&reg, field, queue->cw_max);
4763 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
4764
4765 /* Update EDCA registers */
4766 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
4767
4768 rt2800_register_read(rt2x00dev, offset, &reg);
4769 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
4770 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
4771 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
4772 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
4773 rt2800_register_write(rt2x00dev, offset, reg);
4774
4775 return 0;
4776 }
4777 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
4778
4779 u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
4780 {
4781 struct rt2x00_dev *rt2x00dev = hw->priv;
4782 u64 tsf;
4783 u32 reg;
4784
4785 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
4786 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
4787 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
4788 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
4789
4790 return tsf;
4791 }
4792 EXPORT_SYMBOL_GPL(rt2800_get_tsf);
4793
4794 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
4795 enum ieee80211_ampdu_mlme_action action,
4796 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
4797 u8 buf_size)
4798 {
4799 struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
4800 int ret = 0;
4801
4802 /*
4803 * Don't allow aggregation for stations the hardware isn't aware
4804 * of because tx status reports for frames to an unknown station
4805 * always contain wcid=255 and thus we can't distinguish between
4806 * multiple stations which leads to unwanted situations when the
4807 * hw reorders frames due to aggregation.
4808 */
4809 if (sta_priv->wcid < 0)
4810 return 1;
4811
4812 switch (action) {
4813 case IEEE80211_AMPDU_RX_START:
4814 case IEEE80211_AMPDU_RX_STOP:
4815 /*
4816 * The hw itself takes care of setting up BlockAck mechanisms.
4817 * So, we only have to allow mac80211 to nagotiate a BlockAck
4818 * agreement. Once that is done, the hw will BlockAck incoming
4819 * AMPDUs without further setup.
4820 */
4821 break;
4822 case IEEE80211_AMPDU_TX_START:
4823 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
4824 break;
4825 case IEEE80211_AMPDU_TX_STOP:
4826 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
4827 break;
4828 case IEEE80211_AMPDU_TX_OPERATIONAL:
4829 break;
4830 default:
4831 WARNING((struct rt2x00_dev *)hw->priv, "Unknown AMPDU action\n");
4832 }
4833
4834 return ret;
4835 }
4836 EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
4837
4838 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
4839 struct survey_info *survey)
4840 {
4841 struct rt2x00_dev *rt2x00dev = hw->priv;
4842 struct ieee80211_conf *conf = &hw->conf;
4843 u32 idle, busy, busy_ext;
4844
4845 if (idx != 0)
4846 return -ENOENT;
4847
4848 survey->channel = conf->channel;
4849
4850 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle);
4851 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy);
4852 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext);
4853
4854 if (idle || busy) {
4855 survey->filled = SURVEY_INFO_CHANNEL_TIME |
4856 SURVEY_INFO_CHANNEL_TIME_BUSY |
4857 SURVEY_INFO_CHANNEL_TIME_EXT_BUSY;
4858
4859 survey->channel_time = (idle + busy) / 1000;
4860 survey->channel_time_busy = busy / 1000;
4861 survey->channel_time_ext_busy = busy_ext / 1000;
4862 }
4863
4864 if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
4865 survey->filled |= SURVEY_INFO_IN_USE;
4866
4867 return 0;
4868
4869 }
4870 EXPORT_SYMBOL_GPL(rt2800_get_survey);
4871
4872 MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
4873 MODULE_VERSION(DRV_VERSION);
4874 MODULE_DESCRIPTION("Ralink RT2800 library");
4875 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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