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