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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
70static 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
87static 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, ®)) {
99 reg = 0;
100 rt2x00_set_field32(®, BBP_CSR_CFG_VALUE, value);
101 rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word);
102 rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1);
103 rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 0);
104 rt2x00_set_field32(®, 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
112static 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, ®)) {
128 reg = 0;
129 rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word);
130 rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1);
131 rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 1);
132 rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1);
133
134 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
135
136 WAIT_FOR_BBP(rt2x00dev, ®);
137 }
138
139 *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
140
141 mutex_unlock(&rt2x00dev->csr_mutex);
142}
143
144static 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, ®)) {
156 reg = 0;
157 rt2x00_set_field32(®, RF_CSR_CFG_DATA, value);
158 rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word);
159 rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 1);
160 rt2x00_set_field32(®, 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
168static 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, ®)) {
184 reg = 0;
185 rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word);
186 rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 0);
187 rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1);
188
189 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
190
191 WAIT_FOR_RFCSR(rt2x00dev, ®);
192 }
193
194 *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
195
196 mutex_unlock(&rt2x00dev->csr_mutex);
197}
198
199static 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, ®)) {
211 reg = 0;
212 rt2x00_set_field32(®, RF_CSR_CFG0_REG_VALUE_BW, value);
213 rt2x00_set_field32(®, RF_CSR_CFG0_STANDBYMODE, 0);
214 rt2x00_set_field32(®, RF_CSR_CFG0_SEL, 0);
215 rt2x00_set_field32(®, 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
224void 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, ®)) {
243 rt2x00_set_field32(®, H2M_MAILBOX_CSR_OWNER, 1);
244 rt2x00_set_field32(®, H2M_MAILBOX_CSR_CMD_TOKEN, token);
245 rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG0, arg0);
246 rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG1, arg1);
247 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
248
249 reg = 0;
250 rt2x00_set_field32(®, 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}
256EXPORT_SYMBOL_GPL(rt2800_mcu_request);
257
258int 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, ®);
265 if (reg && reg != ~0)
266 return 0;
267 msleep(1);
268 }
269
270 ERROR(rt2x00dev, "Unstable hardware.\n");
271 return -EBUSY;
272}
273EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
274
275int 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, ®);
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 [0x%08x].\n", reg);
294 return -EACCES;
295}
296EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
297
298void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev)
299{
300 u32 reg;
301
302 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®);
303 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
304 rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
305 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
306 rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
307 rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
308 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
309}
310EXPORT_SYMBOL_GPL(rt2800_disable_wpdma);
311
312static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
313{
314 u16 fw_crc;
315 u16 crc;
316
317 /*
318 * The last 2 bytes in the firmware array are the crc checksum itself,
319 * this means that we should never pass those 2 bytes to the crc
320 * algorithm.
321 */
322 fw_crc = (data[len - 2] << 8 | data[len - 1]);
323
324 /*
325 * Use the crc ccitt algorithm.
326 * This will return the same value as the legacy driver which
327 * used bit ordering reversion on the both the firmware bytes
328 * before input input as well as on the final output.
329 * Obviously using crc ccitt directly is much more efficient.
330 */
331 crc = crc_ccitt(~0, data, len - 2);
332
333 /*
334 * There is a small difference between the crc-itu-t + bitrev and
335 * the crc-ccitt crc calculation. In the latter method the 2 bytes
336 * will be swapped, use swab16 to convert the crc to the correct
337 * value.
338 */
339 crc = swab16(crc);
340
341 return fw_crc == crc;
342}
343
344int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
345 const u8 *data, const size_t len)
346{
347 size_t offset = 0;
348 size_t fw_len;
349 bool multiple;
350
351 /*
352 * PCI(e) & SOC devices require firmware with a length
353 * of 8kb. USB devices require firmware files with a length
354 * of 4kb. Certain USB chipsets however require different firmware,
355 * which Ralink only provides attached to the original firmware
356 * file. Thus for USB devices, firmware files have a length
357 * which is a multiple of 4kb.
358 */
359 if (rt2x00_is_usb(rt2x00dev)) {
360 fw_len = 4096;
361 multiple = true;
362 } else {
363 fw_len = 8192;
364 multiple = true;
365 }
366
367 /*
368 * Validate the firmware length
369 */
370 if (len != fw_len && (!multiple || (len % fw_len) != 0))
371 return FW_BAD_LENGTH;
372
373 /*
374 * Check if the chipset requires one of the upper parts
375 * of the firmware.
376 */
377 if (rt2x00_is_usb(rt2x00dev) &&
378 !rt2x00_rt(rt2x00dev, RT2860) &&
379 !rt2x00_rt(rt2x00dev, RT2872) &&
380 !rt2x00_rt(rt2x00dev, RT3070) &&
381 ((len / fw_len) == 1))
382 return FW_BAD_VERSION;
383
384 /*
385 * 8kb firmware files must be checked as if it were
386 * 2 separate firmware files.
387 */
388 while (offset < len) {
389 if (!rt2800_check_firmware_crc(data + offset, fw_len))
390 return FW_BAD_CRC;
391
392 offset += fw_len;
393 }
394
395 return FW_OK;
396}
397EXPORT_SYMBOL_GPL(rt2800_check_firmware);
398
399int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
400 const u8 *data, const size_t len)
401{
402 unsigned int i;
403 u32 reg;
404
405 /*
406 * If driver doesn't wake up firmware here,
407 * rt2800_load_firmware will hang forever when interface is up again.
408 */
409 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
410
411 /*
412 * Wait for stable hardware.
413 */
414 if (rt2800_wait_csr_ready(rt2x00dev))
415 return -EBUSY;
416
417 if (rt2x00_is_pci(rt2x00dev)) {
418 if (rt2x00_rt(rt2x00dev, RT3572) ||
419 rt2x00_rt(rt2x00dev, RT5390) ||
420 rt2x00_rt(rt2x00dev, RT5392)) {
421 rt2800_register_read(rt2x00dev, AUX_CTRL, ®);
422 rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1);
423 rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1);
424 rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
425 }
426 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
427 }
428
429 rt2800_disable_wpdma(rt2x00dev);
430
431 /*
432 * Write firmware to the device.
433 */
434 rt2800_drv_write_firmware(rt2x00dev, data, len);
435
436 /*
437 * Wait for device to stabilize.
438 */
439 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
440 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, ®);
441 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
442 break;
443 msleep(1);
444 }
445
446 if (i == REGISTER_BUSY_COUNT) {
447 ERROR(rt2x00dev, "PBF system register not ready.\n");
448 return -EBUSY;
449 }
450
451 /*
452 * Disable DMA, will be reenabled later when enabling
453 * the radio.
454 */
455 rt2800_disable_wpdma(rt2x00dev);
456
457 /*
458 * Initialize firmware.
459 */
460 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
461 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
462 if (rt2x00_is_usb(rt2x00dev))
463 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
464 msleep(1);
465
466 return 0;
467}
468EXPORT_SYMBOL_GPL(rt2800_load_firmware);
469
470void rt2800_write_tx_data(struct queue_entry *entry,
471 struct txentry_desc *txdesc)
472{
473 __le32 *txwi = rt2800_drv_get_txwi(entry);
474 u32 word;
475
476 /*
477 * Initialize TX Info descriptor
478 */
479 rt2x00_desc_read(txwi, 0, &word);
480 rt2x00_set_field32(&word, TXWI_W0_FRAG,
481 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
482 rt2x00_set_field32(&word, TXWI_W0_MIMO_PS,
483 test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags));
484 rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
485 rt2x00_set_field32(&word, TXWI_W0_TS,
486 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
487 rt2x00_set_field32(&word, TXWI_W0_AMPDU,
488 test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
489 rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY,
490 txdesc->u.ht.mpdu_density);
491 rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop);
492 rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs);
493 rt2x00_set_field32(&word, TXWI_W0_BW,
494 test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
495 rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
496 test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
497 rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc);
498 rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
499 rt2x00_desc_write(txwi, 0, word);
500
501 rt2x00_desc_read(txwi, 1, &word);
502 rt2x00_set_field32(&word, TXWI_W1_ACK,
503 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
504 rt2x00_set_field32(&word, TXWI_W1_NSEQ,
505 test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
506 rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
507 rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
508 test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
509 txdesc->key_idx : txdesc->u.ht.wcid);
510 rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
511 txdesc->length);
512 rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
513 rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
514 rt2x00_desc_write(txwi, 1, word);
515
516 /*
517 * Always write 0 to IV/EIV fields, hardware will insert the IV
518 * from the IVEIV register when TXD_W3_WIV is set to 0.
519 * When TXD_W3_WIV is set to 1 it will use the IV data
520 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
521 * crypto entry in the registers should be used to encrypt the frame.
522 */
523 _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */);
524 _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */);
525}
526EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
527
528static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
529{
530 s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
531 s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
532 s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
533 u16 eeprom;
534 u8 offset0;
535 u8 offset1;
536 u8 offset2;
537
538 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
539 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &eeprom);
540 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
541 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
542 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
543 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2);
544 } else {
545 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &eeprom);
546 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0);
547 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1);
548 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
549 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2);
550 }
551
552 /*
553 * Convert the value from the descriptor into the RSSI value
554 * If the value in the descriptor is 0, it is considered invalid
555 * and the default (extremely low) rssi value is assumed
556 */
557 rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128;
558 rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128;
559 rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128;
560
561 /*
562 * mac80211 only accepts a single RSSI value. Calculating the
563 * average doesn't deliver a fair answer either since -60:-60 would
564 * be considered equally good as -50:-70 while the second is the one
565 * which gives less energy...
566 */
567 rssi0 = max(rssi0, rssi1);
568 return (int)max(rssi0, rssi2);
569}
570
571void rt2800_process_rxwi(struct queue_entry *entry,
572 struct rxdone_entry_desc *rxdesc)
573{
574 __le32 *rxwi = (__le32 *) entry->skb->data;
575 u32 word;
576
577 rt2x00_desc_read(rxwi, 0, &word);
578
579 rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF);
580 rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
581
582 rt2x00_desc_read(rxwi, 1, &word);
583
584 if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI))
585 rxdesc->flags |= RX_FLAG_SHORT_GI;
586
587 if (rt2x00_get_field32(word, RXWI_W1_BW))
588 rxdesc->flags |= RX_FLAG_40MHZ;
589
590 /*
591 * Detect RX rate, always use MCS as signal type.
592 */
593 rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
594 rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS);
595 rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE);
596
597 /*
598 * Mask of 0x8 bit to remove the short preamble flag.
599 */
600 if (rxdesc->rate_mode == RATE_MODE_CCK)
601 rxdesc->signal &= ~0x8;
602
603 rt2x00_desc_read(rxwi, 2, &word);
604
605 /*
606 * Convert descriptor AGC value to RSSI value.
607 */
608 rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word);
609
610 /*
611 * Remove RXWI descriptor from start of buffer.
612 */
613 skb_pull(entry->skb, RXWI_DESC_SIZE);
614}
615EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
616
617void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
618{
619 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
620 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
621 struct txdone_entry_desc txdesc;
622 u32 word;
623 u16 mcs, real_mcs;
624 int aggr, ampdu;
625
626 /*
627 * Obtain the status about this packet.
628 */
629 txdesc.flags = 0;
630 rt2x00_desc_read(txwi, 0, &word);
631
632 mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
633 ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
634
635 real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
636 aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
637
638 /*
639 * If a frame was meant to be sent as a single non-aggregated MPDU
640 * but ended up in an aggregate the used tx rate doesn't correlate
641 * with the one specified in the TXWI as the whole aggregate is sent
642 * with the same rate.
643 *
644 * For example: two frames are sent to rt2x00, the first one sets
645 * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
646 * and requests MCS15. If the hw aggregates both frames into one
647 * AMDPU the tx status for both frames will contain MCS7 although
648 * the frame was sent successfully.
649 *
650 * Hence, replace the requested rate with the real tx rate to not
651 * confuse the rate control algortihm by providing clearly wrong
652 * data.
653 */
654 if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) {
655 skbdesc->tx_rate_idx = real_mcs;
656 mcs = real_mcs;
657 }
658
659 if (aggr == 1 || ampdu == 1)
660 __set_bit(TXDONE_AMPDU, &txdesc.flags);
661
662 /*
663 * Ralink has a retry mechanism using a global fallback
664 * table. We setup this fallback table to try the immediate
665 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
666 * always contains the MCS used for the last transmission, be
667 * it successful or not.
668 */
669 if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
670 /*
671 * Transmission succeeded. The number of retries is
672 * mcs - real_mcs
673 */
674 __set_bit(TXDONE_SUCCESS, &txdesc.flags);
675 txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
676 } else {
677 /*
678 * Transmission failed. The number of retries is
679 * always 7 in this case (for a total number of 8
680 * frames sent).
681 */
682 __set_bit(TXDONE_FAILURE, &txdesc.flags);
683 txdesc.retry = rt2x00dev->long_retry;
684 }
685
686 /*
687 * the frame was retried at least once
688 * -> hw used fallback rates
689 */
690 if (txdesc.retry)
691 __set_bit(TXDONE_FALLBACK, &txdesc.flags);
692
693 rt2x00lib_txdone(entry, &txdesc);
694}
695EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
696
697void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
698{
699 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
700 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
701 unsigned int beacon_base;
702 unsigned int padding_len;
703 u32 orig_reg, reg;
704
705 /*
706 * Disable beaconing while we are reloading the beacon data,
707 * otherwise we might be sending out invalid data.
708 */
709 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®);
710 orig_reg = reg;
711 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0);
712 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
713
714 /*
715 * Add space for the TXWI in front of the skb.
716 */
717 memset(skb_push(entry->skb, TXWI_DESC_SIZE), 0, TXWI_DESC_SIZE);
718
719 /*
720 * Register descriptor details in skb frame descriptor.
721 */
722 skbdesc->flags |= SKBDESC_DESC_IN_SKB;
723 skbdesc->desc = entry->skb->data;
724 skbdesc->desc_len = TXWI_DESC_SIZE;
725
726 /*
727 * Add the TXWI for the beacon to the skb.
728 */
729 rt2800_write_tx_data(entry, txdesc);
730
731 /*
732 * Dump beacon to userspace through debugfs.
733 */
734 rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
735
736 /*
737 * Write entire beacon with TXWI and padding to register.
738 */
739 padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
740 if (padding_len && skb_pad(entry->skb, padding_len)) {
741 ERROR(rt2x00dev, "Failure padding beacon, aborting\n");
742 /* skb freed by skb_pad() on failure */
743 entry->skb = NULL;
744 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
745 return;
746 }
747
748 beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
749 rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
750 entry->skb->len + padding_len);
751
752 /*
753 * Enable beaconing again.
754 */
755 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1);
756 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
757
758 /*
759 * Clean up beacon skb.
760 */
761 dev_kfree_skb_any(entry->skb);
762 entry->skb = NULL;
763}
764EXPORT_SYMBOL_GPL(rt2800_write_beacon);
765
766static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
767 unsigned int beacon_base)
768{
769 int i;
770
771 /*
772 * For the Beacon base registers we only need to clear
773 * the whole TXWI which (when set to 0) will invalidate
774 * the entire beacon.
775 */
776 for (i = 0; i < TXWI_DESC_SIZE; i += sizeof(__le32))
777 rt2800_register_write(rt2x00dev, beacon_base + i, 0);
778}
779
780void rt2800_clear_beacon(struct queue_entry *entry)
781{
782 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
783 u32 reg;
784
785 /*
786 * Disable beaconing while we are reloading the beacon data,
787 * otherwise we might be sending out invalid data.
788 */
789 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®);
790 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0);
791 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
792
793 /*
794 * Clear beacon.
795 */
796 rt2800_clear_beacon_register(rt2x00dev,
797 HW_BEACON_OFFSET(entry->entry_idx));
798
799 /*
800 * Enabled beaconing again.
801 */
802 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1);
803 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
804}
805EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
806
807#ifdef CONFIG_RT2X00_LIB_DEBUGFS
808const struct rt2x00debug rt2800_rt2x00debug = {
809 .owner = THIS_MODULE,
810 .csr = {
811 .read = rt2800_register_read,
812 .write = rt2800_register_write,
813 .flags = RT2X00DEBUGFS_OFFSET,
814 .word_base = CSR_REG_BASE,
815 .word_size = sizeof(u32),
816 .word_count = CSR_REG_SIZE / sizeof(u32),
817 },
818 .eeprom = {
819 .read = rt2x00_eeprom_read,
820 .write = rt2x00_eeprom_write,
821 .word_base = EEPROM_BASE,
822 .word_size = sizeof(u16),
823 .word_count = EEPROM_SIZE / sizeof(u16),
824 },
825 .bbp = {
826 .read = rt2800_bbp_read,
827 .write = rt2800_bbp_write,
828 .word_base = BBP_BASE,
829 .word_size = sizeof(u8),
830 .word_count = BBP_SIZE / sizeof(u8),
831 },
832 .rf = {
833 .read = rt2x00_rf_read,
834 .write = rt2800_rf_write,
835 .word_base = RF_BASE,
836 .word_size = sizeof(u32),
837 .word_count = RF_SIZE / sizeof(u32),
838 },
839 .rfcsr = {
840 .read = rt2800_rfcsr_read,
841 .write = rt2800_rfcsr_write,
842 .word_base = RFCSR_BASE,
843 .word_size = sizeof(u8),
844 .word_count = RFCSR_SIZE / sizeof(u8),
845 },
846};
847EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
848#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
849
850int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
851{
852 u32 reg;
853
854 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, ®);
855 return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
856}
857EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
858
859#ifdef CONFIG_RT2X00_LIB_LEDS
860static void rt2800_brightness_set(struct led_classdev *led_cdev,
861 enum led_brightness brightness)
862{
863 struct rt2x00_led *led =
864 container_of(led_cdev, struct rt2x00_led, led_dev);
865 unsigned int enabled = brightness != LED_OFF;
866 unsigned int bg_mode =
867 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
868 unsigned int polarity =
869 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
870 EEPROM_FREQ_LED_POLARITY);
871 unsigned int ledmode =
872 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
873 EEPROM_FREQ_LED_MODE);
874 u32 reg;
875
876 /* Check for SoC (SOC devices don't support MCU requests) */
877 if (rt2x00_is_soc(led->rt2x00dev)) {
878 rt2800_register_read(led->rt2x00dev, LED_CFG, ®);
879
880 /* Set LED Polarity */
881 rt2x00_set_field32(®, LED_CFG_LED_POLAR, polarity);
882
883 /* Set LED Mode */
884 if (led->type == LED_TYPE_RADIO) {
885 rt2x00_set_field32(®, LED_CFG_G_LED_MODE,
886 enabled ? 3 : 0);
887 } else if (led->type == LED_TYPE_ASSOC) {
888 rt2x00_set_field32(®, LED_CFG_Y_LED_MODE,
889 enabled ? 3 : 0);
890 } else if (led->type == LED_TYPE_QUALITY) {
891 rt2x00_set_field32(®, LED_CFG_R_LED_MODE,
892 enabled ? 3 : 0);
893 }
894
895 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
896
897 } else {
898 if (led->type == LED_TYPE_RADIO) {
899 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
900 enabled ? 0x20 : 0);
901 } else if (led->type == LED_TYPE_ASSOC) {
902 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
903 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
904 } else if (led->type == LED_TYPE_QUALITY) {
905 /*
906 * The brightness is divided into 6 levels (0 - 5),
907 * The specs tell us the following levels:
908 * 0, 1 ,3, 7, 15, 31
909 * to determine the level in a simple way we can simply
910 * work with bitshifting:
911 * (1 << level) - 1
912 */
913 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
914 (1 << brightness / (LED_FULL / 6)) - 1,
915 polarity);
916 }
917 }
918}
919
920static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
921 struct rt2x00_led *led, enum led_type type)
922{
923 led->rt2x00dev = rt2x00dev;
924 led->type = type;
925 led->led_dev.brightness_set = rt2800_brightness_set;
926 led->flags = LED_INITIALIZED;
927}
928#endif /* CONFIG_RT2X00_LIB_LEDS */
929
930/*
931 * Configuration handlers.
932 */
933static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
934 const u8 *address,
935 int wcid)
936{
937 struct mac_wcid_entry wcid_entry;
938 u32 offset;
939
940 offset = MAC_WCID_ENTRY(wcid);
941
942 memset(&wcid_entry, 0xff, sizeof(wcid_entry));
943 if (address)
944 memcpy(wcid_entry.mac, address, ETH_ALEN);
945
946 rt2800_register_multiwrite(rt2x00dev, offset,
947 &wcid_entry, sizeof(wcid_entry));
948}
949
950static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
951{
952 u32 offset;
953 offset = MAC_WCID_ATTR_ENTRY(wcid);
954 rt2800_register_write(rt2x00dev, offset, 0);
955}
956
957static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
958 int wcid, u32 bssidx)
959{
960 u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
961 u32 reg;
962
963 /*
964 * The BSS Idx numbers is split in a main value of 3 bits,
965 * and a extended field for adding one additional bit to the value.
966 */
967 rt2800_register_read(rt2x00dev, offset, ®);
968 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
969 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
970 (bssidx & 0x8) >> 3);
971 rt2800_register_write(rt2x00dev, offset, reg);
972}
973
974static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
975 struct rt2x00lib_crypto *crypto,
976 struct ieee80211_key_conf *key)
977{
978 struct mac_iveiv_entry iveiv_entry;
979 u32 offset;
980 u32 reg;
981
982 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
983
984 if (crypto->cmd == SET_KEY) {
985 rt2800_register_read(rt2x00dev, offset, ®);
986 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB,
987 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
988 /*
989 * Both the cipher as the BSS Idx numbers are split in a main
990 * value of 3 bits, and a extended field for adding one additional
991 * bit to the value.
992 */
993 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER,
994 (crypto->cipher & 0x7));
995 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
996 (crypto->cipher & 0x8) >> 3);
997 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
998 rt2800_register_write(rt2x00dev, offset, reg);
999 } else {
1000 /* Delete the cipher without touching the bssidx */
1001 rt2800_register_read(rt2x00dev, offset, ®);
1002 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
1003 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, 0);
1004 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
1005 rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
1006 rt2800_register_write(rt2x00dev, offset, reg);
1007 }
1008
1009 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
1010
1011 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
1012 if ((crypto->cipher == CIPHER_TKIP) ||
1013 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
1014 (crypto->cipher == CIPHER_AES))
1015 iveiv_entry.iv[3] |= 0x20;
1016 iveiv_entry.iv[3] |= key->keyidx << 6;
1017 rt2800_register_multiwrite(rt2x00dev, offset,
1018 &iveiv_entry, sizeof(iveiv_entry));
1019}
1020
1021int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
1022 struct rt2x00lib_crypto *crypto,
1023 struct ieee80211_key_conf *key)
1024{
1025 struct hw_key_entry key_entry;
1026 struct rt2x00_field32 field;
1027 u32 offset;
1028 u32 reg;
1029
1030 if (crypto->cmd == SET_KEY) {
1031 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
1032
1033 memcpy(key_entry.key, crypto->key,
1034 sizeof(key_entry.key));
1035 memcpy(key_entry.tx_mic, crypto->tx_mic,
1036 sizeof(key_entry.tx_mic));
1037 memcpy(key_entry.rx_mic, crypto->rx_mic,
1038 sizeof(key_entry.rx_mic));
1039
1040 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1041 rt2800_register_multiwrite(rt2x00dev, offset,
1042 &key_entry, sizeof(key_entry));
1043 }
1044
1045 /*
1046 * The cipher types are stored over multiple registers
1047 * starting with SHARED_KEY_MODE_BASE each word will have
1048 * 32 bits and contains the cipher types for 2 bssidx each.
1049 * Using the correct defines correctly will cause overhead,
1050 * so just calculate the correct offset.
1051 */
1052 field.bit_offset = 4 * (key->hw_key_idx % 8);
1053 field.bit_mask = 0x7 << field.bit_offset;
1054
1055 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1056
1057 rt2800_register_read(rt2x00dev, offset, ®);
1058 rt2x00_set_field32(®, field,
1059 (crypto->cmd == SET_KEY) * crypto->cipher);
1060 rt2800_register_write(rt2x00dev, offset, reg);
1061
1062 /*
1063 * Update WCID information
1064 */
1065 rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
1066 rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
1067 crypto->bssidx);
1068 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1069
1070 return 0;
1071}
1072EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1073
1074static inline int rt2800_find_wcid(struct rt2x00_dev *rt2x00dev)
1075{
1076 struct mac_wcid_entry wcid_entry;
1077 int idx;
1078 u32 offset;
1079
1080 /*
1081 * Search for the first free WCID entry and return the corresponding
1082 * index.
1083 *
1084 * Make sure the WCID starts _after_ the last possible shared key
1085 * entry (>32).
1086 *
1087 * Since parts of the pairwise key table might be shared with
1088 * the beacon frame buffers 6 & 7 we should only write into the
1089 * first 222 entries.
1090 */
1091 for (idx = 33; idx <= 222; idx++) {
1092 offset = MAC_WCID_ENTRY(idx);
1093 rt2800_register_multiread(rt2x00dev, offset, &wcid_entry,
1094 sizeof(wcid_entry));
1095 if (is_broadcast_ether_addr(wcid_entry.mac))
1096 return idx;
1097 }
1098
1099 /*
1100 * Use -1 to indicate that we don't have any more space in the WCID
1101 * table.
1102 */
1103 return -1;
1104}
1105
1106int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1107 struct rt2x00lib_crypto *crypto,
1108 struct ieee80211_key_conf *key)
1109{
1110 struct hw_key_entry key_entry;
1111 u32 offset;
1112
1113 if (crypto->cmd == SET_KEY) {
1114 /*
1115 * Allow key configuration only for STAs that are
1116 * known by the hw.
1117 */
1118 if (crypto->wcid < 0)
1119 return -ENOSPC;
1120 key->hw_key_idx = crypto->wcid;
1121
1122 memcpy(key_entry.key, crypto->key,
1123 sizeof(key_entry.key));
1124 memcpy(key_entry.tx_mic, crypto->tx_mic,
1125 sizeof(key_entry.tx_mic));
1126 memcpy(key_entry.rx_mic, crypto->rx_mic,
1127 sizeof(key_entry.rx_mic));
1128
1129 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1130 rt2800_register_multiwrite(rt2x00dev, offset,
1131 &key_entry, sizeof(key_entry));
1132 }
1133
1134 /*
1135 * Update WCID information
1136 */
1137 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1138
1139 return 0;
1140}
1141EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1142
1143int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
1144 struct ieee80211_sta *sta)
1145{
1146 int wcid;
1147 struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1148
1149 /*
1150 * Find next free WCID.
1151 */
1152 wcid = rt2800_find_wcid(rt2x00dev);
1153
1154 /*
1155 * Store selected wcid even if it is invalid so that we can
1156 * later decide if the STA is uploaded into the hw.
1157 */
1158 sta_priv->wcid = wcid;
1159
1160 /*
1161 * No space left in the device, however, we can still communicate
1162 * with the STA -> No error.
1163 */
1164 if (wcid < 0)
1165 return 0;
1166
1167 /*
1168 * Clean up WCID attributes and write STA address to the device.
1169 */
1170 rt2800_delete_wcid_attr(rt2x00dev, wcid);
1171 rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
1172 rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
1173 rt2x00lib_get_bssidx(rt2x00dev, vif));
1174 return 0;
1175}
1176EXPORT_SYMBOL_GPL(rt2800_sta_add);
1177
1178int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid)
1179{
1180 /*
1181 * Remove WCID entry, no need to clean the attributes as they will
1182 * get renewed when the WCID is reused.
1183 */
1184 rt2800_config_wcid(rt2x00dev, NULL, wcid);
1185
1186 return 0;
1187}
1188EXPORT_SYMBOL_GPL(rt2800_sta_remove);
1189
1190void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1191 const unsigned int filter_flags)
1192{
1193 u32 reg;
1194
1195 /*
1196 * Start configuration steps.
1197 * Note that the version error will always be dropped
1198 * and broadcast frames will always be accepted since
1199 * there is no filter for it at this time.
1200 */
1201 rt2800_register_read(rt2x00dev, RX_FILTER_CFG, ®);
1202 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CRC_ERROR,
1203 !(filter_flags & FIF_FCSFAIL));
1204 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PHY_ERROR,
1205 !(filter_flags & FIF_PLCPFAIL));
1206 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_TO_ME,
1207 !(filter_flags & FIF_PROMISC_IN_BSS));
1208 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1209 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1210 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_MULTICAST,
1211 !(filter_flags & FIF_ALLMULTI));
1212 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BROADCAST, 0);
1213 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1214 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END_ACK,
1215 !(filter_flags & FIF_CONTROL));
1216 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END,
1217 !(filter_flags & FIF_CONTROL));
1218 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_ACK,
1219 !(filter_flags & FIF_CONTROL));
1220 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CTS,
1221 !(filter_flags & FIF_CONTROL));
1222 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_RTS,
1223 !(filter_flags & FIF_CONTROL));
1224 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PSPOLL,
1225 !(filter_flags & FIF_PSPOLL));
1226 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BA,
1227 !(filter_flags & FIF_CONTROL));
1228 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BAR,
1229 !(filter_flags & FIF_CONTROL));
1230 rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CNTL,
1231 !(filter_flags & FIF_CONTROL));
1232 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1233}
1234EXPORT_SYMBOL_GPL(rt2800_config_filter);
1235
1236void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1237 struct rt2x00intf_conf *conf, const unsigned int flags)
1238{
1239 u32 reg;
1240 bool update_bssid = false;
1241
1242 if (flags & CONFIG_UPDATE_TYPE) {
1243 /*
1244 * Enable synchronisation.
1245 */
1246 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®);
1247 rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1248 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1249
1250 if (conf->sync == TSF_SYNC_AP_NONE) {
1251 /*
1252 * Tune beacon queue transmit parameters for AP mode
1253 */
1254 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, ®);
1255 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1256 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1257 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1258 rt2x00_set_field32(®, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1259 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1260 } else {
1261 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, ®);
1262 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1263 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1264 rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1265 rt2x00_set_field32(®, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1266 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1267 }
1268 }
1269
1270 if (flags & CONFIG_UPDATE_MAC) {
1271 if (flags & CONFIG_UPDATE_TYPE &&
1272 conf->sync == TSF_SYNC_AP_NONE) {
1273 /*
1274 * The BSSID register has to be set to our own mac
1275 * address in AP mode.
1276 */
1277 memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1278 update_bssid = true;
1279 }
1280
1281 if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1282 reg = le32_to_cpu(conf->mac[1]);
1283 rt2x00_set_field32(®, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1284 conf->mac[1] = cpu_to_le32(reg);
1285 }
1286
1287 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1288 conf->mac, sizeof(conf->mac));
1289 }
1290
1291 if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1292 if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1293 reg = le32_to_cpu(conf->bssid[1]);
1294 rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1295 rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_BCN_NUM, 7);
1296 conf->bssid[1] = cpu_to_le32(reg);
1297 }
1298
1299 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1300 conf->bssid, sizeof(conf->bssid));
1301 }
1302}
1303EXPORT_SYMBOL_GPL(rt2800_config_intf);
1304
1305static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1306 struct rt2x00lib_erp *erp)
1307{
1308 bool any_sta_nongf = !!(erp->ht_opmode &
1309 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1310 u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1311 u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1312 u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1313 u32 reg;
1314
1315 /* default protection rate for HT20: OFDM 24M */
1316 mm20_rate = gf20_rate = 0x4004;
1317
1318 /* default protection rate for HT40: duplicate OFDM 24M */
1319 mm40_rate = gf40_rate = 0x4084;
1320
1321 switch (protection) {
1322 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1323 /*
1324 * All STAs in this BSS are HT20/40 but there might be
1325 * STAs not supporting greenfield mode.
1326 * => Disable protection for HT transmissions.
1327 */
1328 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1329
1330 break;
1331 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1332 /*
1333 * All STAs in this BSS are HT20 or HT20/40 but there
1334 * might be STAs not supporting greenfield mode.
1335 * => Protect all HT40 transmissions.
1336 */
1337 mm20_mode = gf20_mode = 0;
1338 mm40_mode = gf40_mode = 2;
1339
1340 break;
1341 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1342 /*
1343 * Nonmember protection:
1344 * According to 802.11n we _should_ protect all
1345 * HT transmissions (but we don't have to).
1346 *
1347 * But if cts_protection is enabled we _shall_ protect
1348 * all HT transmissions using a CCK rate.
1349 *
1350 * And if any station is non GF we _shall_ protect
1351 * GF transmissions.
1352 *
1353 * We decide to protect everything
1354 * -> fall through to mixed mode.
1355 */
1356 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1357 /*
1358 * Legacy STAs are present
1359 * => Protect all HT transmissions.
1360 */
1361 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2;
1362
1363 /*
1364 * If erp protection is needed we have to protect HT
1365 * transmissions with CCK 11M long preamble.
1366 */
1367 if (erp->cts_protection) {
1368 /* don't duplicate RTS/CTS in CCK mode */
1369 mm20_rate = mm40_rate = 0x0003;
1370 gf20_rate = gf40_rate = 0x0003;
1371 }
1372 break;
1373 }
1374
1375 /* check for STAs not supporting greenfield mode */
1376 if (any_sta_nongf)
1377 gf20_mode = gf40_mode = 2;
1378
1379 /* Update HT protection config */
1380 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, ®);
1381 rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1382 rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1383 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1384
1385 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, ®);
1386 rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1387 rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1388 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1389
1390 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, ®);
1391 rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1392 rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1393 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1394
1395 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, ®);
1396 rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1397 rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1398 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1399}
1400
1401void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1402 u32 changed)
1403{
1404 u32 reg;
1405
1406 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1407 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, ®);
1408 rt2x00_set_field32(®, AUTO_RSP_CFG_BAC_ACK_POLICY,
1409 !!erp->short_preamble);
1410 rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE,
1411 !!erp->short_preamble);
1412 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1413 }
1414
1415 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1416 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, ®);
1417 rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL,
1418 erp->cts_protection ? 2 : 0);
1419 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1420 }
1421
1422 if (changed & BSS_CHANGED_BASIC_RATES) {
1423 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1424 erp->basic_rates);
1425 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1426 }
1427
1428 if (changed & BSS_CHANGED_ERP_SLOT) {
1429 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, ®);
1430 rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME,
1431 erp->slot_time);
1432 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1433
1434 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, ®);
1435 rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, erp->eifs);
1436 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1437 }
1438
1439 if (changed & BSS_CHANGED_BEACON_INT) {
1440 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®);
1441 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL,
1442 erp->beacon_int * 16);
1443 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1444 }
1445
1446 if (changed & BSS_CHANGED_HT)
1447 rt2800_config_ht_opmode(rt2x00dev, erp);
1448}
1449EXPORT_SYMBOL_GPL(rt2800_config_erp);
1450
1451static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1452{
1453 u32 reg;
1454 u16 eeprom;
1455 u8 led_ctrl, led_g_mode, led_r_mode;
1456
1457 rt2800_register_read(rt2x00dev, GPIO_SWITCH, ®);
1458 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1459 rt2x00_set_field32(®, GPIO_SWITCH_0, 1);
1460 rt2x00_set_field32(®, GPIO_SWITCH_1, 1);
1461 } else {
1462 rt2x00_set_field32(®, GPIO_SWITCH_0, 0);
1463 rt2x00_set_field32(®, GPIO_SWITCH_1, 0);
1464 }
1465 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1466
1467 rt2800_register_read(rt2x00dev, LED_CFG, ®);
1468 led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1469 led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1470 if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1471 led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1472 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1473 led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1474 if (led_ctrl == 0 || led_ctrl > 0x40) {
1475 rt2x00_set_field32(®, LED_CFG_G_LED_MODE, led_g_mode);
1476 rt2x00_set_field32(®, LED_CFG_R_LED_MODE, led_r_mode);
1477 rt2800_register_write(rt2x00dev, LED_CFG, reg);
1478 } else {
1479 rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1480 (led_g_mode << 2) | led_r_mode, 1);
1481 }
1482 }
1483}
1484
1485static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1486 enum antenna ant)
1487{
1488 u32 reg;
1489 u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1490 u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1491
1492 if (rt2x00_is_pci(rt2x00dev)) {
1493 rt2800_register_read(rt2x00dev, E2PROM_CSR, ®);
1494 rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1495 rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1496 } else if (rt2x00_is_usb(rt2x00dev))
1497 rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1498 eesk_pin, 0);
1499
1500 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, ®);
1501 rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT3, 0);
1502 rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT3, gpio_bit3);
1503 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
1504}
1505
1506void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1507{
1508 u8 r1;
1509 u8 r3;
1510 u16 eeprom;
1511
1512 rt2800_bbp_read(rt2x00dev, 1, &r1);
1513 rt2800_bbp_read(rt2x00dev, 3, &r3);
1514
1515 if (rt2x00_rt(rt2x00dev, RT3572) &&
1516 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1517 rt2800_config_3572bt_ant(rt2x00dev);
1518
1519 /*
1520 * Configure the TX antenna.
1521 */
1522 switch (ant->tx_chain_num) {
1523 case 1:
1524 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1525 break;
1526 case 2:
1527 if (rt2x00_rt(rt2x00dev, RT3572) &&
1528 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1529 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1530 else
1531 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1532 break;
1533 case 3:
1534 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1535 break;
1536 }
1537
1538 /*
1539 * Configure the RX antenna.
1540 */
1541 switch (ant->rx_chain_num) {
1542 case 1:
1543 if (rt2x00_rt(rt2x00dev, RT3070) ||
1544 rt2x00_rt(rt2x00dev, RT3090) ||
1545 rt2x00_rt(rt2x00dev, RT3390)) {
1546 rt2x00_eeprom_read(rt2x00dev,
1547 EEPROM_NIC_CONF1, &eeprom);
1548 if (rt2x00_get_field16(eeprom,
1549 EEPROM_NIC_CONF1_ANT_DIVERSITY))
1550 rt2800_set_ant_diversity(rt2x00dev,
1551 rt2x00dev->default_ant.rx);
1552 }
1553 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
1554 break;
1555 case 2:
1556 if (rt2x00_rt(rt2x00dev, RT3572) &&
1557 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1558 rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
1559 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
1560 rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
1561 rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
1562 } else {
1563 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
1564 }
1565 break;
1566 case 3:
1567 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
1568 break;
1569 }
1570
1571 rt2800_bbp_write(rt2x00dev, 3, r3);
1572 rt2800_bbp_write(rt2x00dev, 1, r1);
1573}
1574EXPORT_SYMBOL_GPL(rt2800_config_ant);
1575
1576static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
1577 struct rt2x00lib_conf *libconf)
1578{
1579 u16 eeprom;
1580 short lna_gain;
1581
1582 if (libconf->rf.channel <= 14) {
1583 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1584 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
1585 } else if (libconf->rf.channel <= 64) {
1586 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1587 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
1588 } else if (libconf->rf.channel <= 128) {
1589 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
1590 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
1591 } else {
1592 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
1593 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
1594 }
1595
1596 rt2x00dev->lna_gain = lna_gain;
1597}
1598
1599static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
1600 struct ieee80211_conf *conf,
1601 struct rf_channel *rf,
1602 struct channel_info *info)
1603{
1604 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
1605
1606 if (rt2x00dev->default_ant.tx_chain_num == 1)
1607 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
1608
1609 if (rt2x00dev->default_ant.rx_chain_num == 1) {
1610 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
1611 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1612 } else if (rt2x00dev->default_ant.rx_chain_num == 2)
1613 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1614
1615 if (rf->channel > 14) {
1616 /*
1617 * When TX power is below 0, we should increase it by 7 to
1618 * make it a positive value (Minimum value is -7).
1619 * However this means that values between 0 and 7 have
1620 * double meaning, and we should set a 7DBm boost flag.
1621 */
1622 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
1623 (info->default_power1 >= 0));
1624
1625 if (info->default_power1 < 0)
1626 info->default_power1 += 7;
1627
1628 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
1629
1630 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
1631 (info->default_power2 >= 0));
1632
1633 if (info->default_power2 < 0)
1634 info->default_power2 += 7;
1635
1636 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
1637 } else {
1638 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
1639 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
1640 }
1641
1642 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
1643
1644 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1645 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1646 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1647 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1648
1649 udelay(200);
1650
1651 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1652 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1653 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
1654 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1655
1656 udelay(200);
1657
1658 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1659 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1660 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1661 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1662}
1663
1664static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
1665 struct ieee80211_conf *conf,
1666 struct rf_channel *rf,
1667 struct channel_info *info)
1668{
1669 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1670 u8 rfcsr, calib_tx, calib_rx;
1671
1672 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1673
1674 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
1675 rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3);
1676 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
1677
1678 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1679 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1680 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1681
1682 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1683 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
1684 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1685
1686 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1687 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
1688 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1689
1690 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1691 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1692 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1693 if (rt2x00_rt(rt2x00dev, RT3390)) {
1694 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
1695 rt2x00dev->default_ant.rx_chain_num == 1);
1696 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
1697 rt2x00dev->default_ant.tx_chain_num == 1);
1698 } else {
1699 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
1700 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
1701 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
1702 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
1703
1704 switch (rt2x00dev->default_ant.tx_chain_num) {
1705 case 1:
1706 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
1707 /* fall through */
1708 case 2:
1709 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1710 break;
1711 }
1712
1713 switch (rt2x00dev->default_ant.rx_chain_num) {
1714 case 1:
1715 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
1716 /* fall through */
1717 case 2:
1718 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1719 break;
1720 }
1721 }
1722 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1723
1724 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1725 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1726 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1727 msleep(1);
1728 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1729 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1730
1731 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1732 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1733 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1734
1735 if (rt2x00_rt(rt2x00dev, RT3390)) {
1736 calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f;
1737 calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f;
1738 } else {
1739 if (conf_is_ht40(conf)) {
1740 calib_tx = drv_data->calibration_bw40;
1741 calib_rx = drv_data->calibration_bw40;
1742 } else {
1743 calib_tx = drv_data->calibration_bw20;
1744 calib_rx = drv_data->calibration_bw20;
1745 }
1746 }
1747
1748 rt2800_rfcsr_read(rt2x00dev, 24, &rfcsr);
1749 rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx);
1750 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr);
1751
1752 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
1753 rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx);
1754 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
1755
1756 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1757 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1758 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1759
1760 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1761 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1762 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1763 msleep(1);
1764 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1765 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1766}
1767
1768static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
1769 struct ieee80211_conf *conf,
1770 struct rf_channel *rf,
1771 struct channel_info *info)
1772{
1773 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1774 u8 rfcsr;
1775 u32 reg;
1776
1777 if (rf->channel <= 14) {
1778 rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
1779 rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
1780 } else {
1781 rt2800_bbp_write(rt2x00dev, 25, 0x09);
1782 rt2800_bbp_write(rt2x00dev, 26, 0xff);
1783 }
1784
1785 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1786 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
1787
1788 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1789 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1790 if (rf->channel <= 14)
1791 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
1792 else
1793 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
1794 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1795
1796 rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr);
1797 if (rf->channel <= 14)
1798 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
1799 else
1800 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
1801 rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
1802
1803 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1804 if (rf->channel <= 14) {
1805 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
1806 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1807 info->default_power1);
1808 } else {
1809 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
1810 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1811 (info->default_power1 & 0x3) |
1812 ((info->default_power1 & 0xC) << 1));
1813 }
1814 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1815
1816 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1817 if (rf->channel <= 14) {
1818 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
1819 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1820 info->default_power2);
1821 } else {
1822 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
1823 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1824 (info->default_power2 & 0x3) |
1825 ((info->default_power2 & 0xC) << 1));
1826 }
1827 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1828
1829 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1830 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1831 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1832 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
1833 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
1834 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
1835 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
1836 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1837 if (rf->channel <= 14) {
1838 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
1839 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
1840 }
1841 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1842 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1843 } else {
1844 switch (rt2x00dev->default_ant.tx_chain_num) {
1845 case 1:
1846 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
1847 case 2:
1848 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1849 break;
1850 }
1851
1852 switch (rt2x00dev->default_ant.rx_chain_num) {
1853 case 1:
1854 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
1855 case 2:
1856 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1857 break;
1858 }
1859 }
1860 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1861
1862 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1863 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1864 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1865
1866 if (conf_is_ht40(conf)) {
1867 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40);
1868 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40);
1869 } else {
1870 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20);
1871 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20);
1872 }
1873
1874 if (rf->channel <= 14) {
1875 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
1876 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
1877 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1878 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
1879 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
1880 rfcsr = 0x4c;
1881 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
1882 drv_data->txmixer_gain_24g);
1883 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
1884 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1885 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
1886 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
1887 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
1888 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
1889 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
1890 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
1891 } else {
1892 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1893 rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1);
1894 rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0);
1895 rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1);
1896 rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0);
1897 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1898 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
1899 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1900 rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
1901 rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
1902 rfcsr = 0x7a;
1903 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
1904 drv_data->txmixer_gain_5g);
1905 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
1906 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1907 if (rf->channel <= 64) {
1908 rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
1909 rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
1910 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
1911 } else if (rf->channel <= 128) {
1912 rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
1913 rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
1914 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1915 } else {
1916 rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
1917 rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
1918 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1919 }
1920 rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
1921 rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
1922 rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
1923 }
1924
1925 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, ®);
1926 rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT7, 0);
1927 if (rf->channel <= 14)
1928 rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT7, 1);
1929 else
1930 rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT7, 0);
1931 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
1932
1933 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1934 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1935 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1936}
1937
1938#define RT5390_POWER_BOUND 0x27
1939#define RT5390_FREQ_OFFSET_BOUND 0x5f
1940
1941static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
1942 struct ieee80211_conf *conf,
1943 struct rf_channel *rf,
1944 struct channel_info *info)
1945{
1946 u8 rfcsr;
1947
1948 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
1949 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
1950 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
1951 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
1952 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
1953
1954 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
1955 if (info->default_power1 > RT5390_POWER_BOUND)
1956 rt2x00_set_field8(&rfcsr, RFCSR49_TX, RT5390_POWER_BOUND);
1957 else
1958 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
1959 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
1960
1961 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1962 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
1963 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
1964 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
1965 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
1966 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1967
1968 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
1969 if (rt2x00dev->freq_offset > RT5390_FREQ_OFFSET_BOUND)
1970 rt2x00_set_field8(&rfcsr, RFCSR17_CODE,
1971 RT5390_FREQ_OFFSET_BOUND);
1972 else
1973 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, rt2x00dev->freq_offset);
1974 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
1975
1976 if (rf->channel <= 14) {
1977 int idx = rf->channel-1;
1978
1979 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1980 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
1981 /* r55/r59 value array of channel 1~14 */
1982 static const char r55_bt_rev[] = {0x83, 0x83,
1983 0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
1984 0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
1985 static const char r59_bt_rev[] = {0x0e, 0x0e,
1986 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
1987 0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
1988
1989 rt2800_rfcsr_write(rt2x00dev, 55,
1990 r55_bt_rev[idx]);
1991 rt2800_rfcsr_write(rt2x00dev, 59,
1992 r59_bt_rev[idx]);
1993 } else {
1994 static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
1995 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
1996 0x88, 0x88, 0x86, 0x85, 0x84};
1997
1998 rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
1999 }
2000 } else {
2001 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2002 static const char r55_nonbt_rev[] = {0x23, 0x23,
2003 0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
2004 0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
2005 static const char r59_nonbt_rev[] = {0x07, 0x07,
2006 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
2007 0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
2008
2009 rt2800_rfcsr_write(rt2x00dev, 55,
2010 r55_nonbt_rev[idx]);
2011 rt2800_rfcsr_write(rt2x00dev, 59,
2012 r59_nonbt_rev[idx]);
2013 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
2014 rt2x00_rt(rt2x00dev, RT5392)) {
2015 static const char r59_non_bt[] = {0x8f, 0x8f,
2016 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
2017 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
2018
2019 rt2800_rfcsr_write(rt2x00dev, 59,
2020 r59_non_bt[idx]);
2021 }
2022 }
2023 }
2024
2025 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2026 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, 0);
2027 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, 0);
2028 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2029
2030 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2031 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
2032 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2033}
2034
2035static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
2036 struct ieee80211_conf *conf,
2037 struct rf_channel *rf,
2038 struct channel_info *info)
2039{
2040 u32 reg;
2041 unsigned int tx_pin;
2042 u8 bbp;
2043
2044 if (rf->channel <= 14) {
2045 info->default_power1 = TXPOWER_G_TO_DEV(info->default_power1);
2046 info->default_power2 = TXPOWER_G_TO_DEV(info->default_power2);
2047 } else {
2048 info->default_power1 = TXPOWER_A_TO_DEV(info->default_power1);
2049 info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2);
2050 }
2051
2052 switch (rt2x00dev->chip.rf) {
2053 case RF2020:
2054 case RF3020:
2055 case RF3021:
2056 case RF3022:
2057 case RF3320:
2058 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
2059 break;
2060 case RF3052:
2061 rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
2062 break;
2063 case RF5370:
2064 case RF5372:
2065 case RF5390:
2066 rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
2067 break;
2068 default:
2069 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
2070 }
2071
2072 /*
2073 * Change BBP settings
2074 */
2075 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
2076 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
2077 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
2078 rt2800_bbp_write(rt2x00dev, 86, 0);
2079
2080 if (rf->channel <= 14) {
2081 if (!rt2x00_rt(rt2x00dev, RT5390) &&
2082 !rt2x00_rt(rt2x00dev, RT5392)) {
2083 if (test_bit(CAPABILITY_EXTERNAL_LNA_BG,
2084 &rt2x00dev->cap_flags)) {
2085 rt2800_bbp_write(rt2x00dev, 82, 0x62);
2086 rt2800_bbp_write(rt2x00dev, 75, 0x46);
2087 } else {
2088 rt2800_bbp_write(rt2x00dev, 82, 0x84);
2089 rt2800_bbp_write(rt2x00dev, 75, 0x50);
2090 }
2091 }
2092 } else {
2093 if (rt2x00_rt(rt2x00dev, RT3572))
2094 rt2800_bbp_write(rt2x00dev, 82, 0x94);
2095 else
2096 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
2097
2098 if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags))
2099 rt2800_bbp_write(rt2x00dev, 75, 0x46);
2100 else
2101 rt2800_bbp_write(rt2x00dev, 75, 0x50);
2102 }
2103
2104 rt2800_register_read(rt2x00dev, TX_BAND_CFG, ®);
2105 rt2x00_set_field32(®, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
2106 rt2x00_set_field32(®, TX_BAND_CFG_A, rf->channel > 14);
2107 rt2x00_set_field32(®, TX_BAND_CFG_BG, rf->channel <= 14);
2108 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
2109
2110 if (rt2x00_rt(rt2x00dev, RT3572))
2111 rt2800_rfcsr_write(rt2x00dev, 8, 0);
2112
2113 tx_pin = 0;
2114
2115 /* Turn on unused PA or LNA when not using 1T or 1R */
2116 if (rt2x00dev->default_ant.tx_chain_num == 2) {
2117 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
2118 rf->channel > 14);
2119 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
2120 rf->channel <= 14);
2121 }
2122
2123 /* Turn on unused PA or LNA when not using 1T or 1R */
2124 if (rt2x00dev->default_ant.rx_chain_num == 2) {
2125 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
2126 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
2127 }
2128
2129 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
2130 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
2131 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
2132 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
2133 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
2134 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
2135 else
2136 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
2137 rf->channel <= 14);
2138 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
2139
2140 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
2141
2142 if (rt2x00_rt(rt2x00dev, RT3572))
2143 rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
2144
2145 rt2800_bbp_read(rt2x00dev, 4, &bbp);
2146 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
2147 rt2800_bbp_write(rt2x00dev, 4, bbp);
2148
2149 rt2800_bbp_read(rt2x00dev, 3, &bbp);
2150 rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
2151 rt2800_bbp_write(rt2x00dev, 3, bbp);
2152
2153 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
2154 if (conf_is_ht40(conf)) {
2155 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
2156 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
2157 rt2800_bbp_write(rt2x00dev, 73, 0x16);
2158 } else {
2159 rt2800_bbp_write(rt2x00dev, 69, 0x16);
2160 rt2800_bbp_write(rt2x00dev, 70, 0x08);
2161 rt2800_bbp_write(rt2x00dev, 73, 0x11);
2162 }
2163 }
2164
2165 msleep(1);
2166
2167 /*
2168 * Clear channel statistic counters
2169 */
2170 rt2800_register_read(rt2x00dev, CH_IDLE_STA, ®);
2171 rt2800_register_read(rt2x00dev, CH_BUSY_STA, ®);
2172 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, ®);
2173}
2174
2175static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
2176{
2177 u8 tssi_bounds[9];
2178 u8 current_tssi;
2179 u16 eeprom;
2180 u8 step;
2181 int i;
2182
2183 /*
2184 * Read TSSI boundaries for temperature compensation from
2185 * the EEPROM.
2186 *
2187 * Array idx 0 1 2 3 4 5 6 7 8
2188 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4
2189 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
2190 */
2191 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2192 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1, &eeprom);
2193 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2194 EEPROM_TSSI_BOUND_BG1_MINUS4);
2195 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2196 EEPROM_TSSI_BOUND_BG1_MINUS3);
2197
2198 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2, &eeprom);
2199 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2200 EEPROM_TSSI_BOUND_BG2_MINUS2);
2201 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2202 EEPROM_TSSI_BOUND_BG2_MINUS1);
2203
2204 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3, &eeprom);
2205 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2206 EEPROM_TSSI_BOUND_BG3_REF);
2207 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2208 EEPROM_TSSI_BOUND_BG3_PLUS1);
2209
2210 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4, &eeprom);
2211 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2212 EEPROM_TSSI_BOUND_BG4_PLUS2);
2213 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2214 EEPROM_TSSI_BOUND_BG4_PLUS3);
2215
2216 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5, &eeprom);
2217 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2218 EEPROM_TSSI_BOUND_BG5_PLUS4);
2219
2220 step = rt2x00_get_field16(eeprom,
2221 EEPROM_TSSI_BOUND_BG5_AGC_STEP);
2222 } else {
2223 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1, &eeprom);
2224 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2225 EEPROM_TSSI_BOUND_A1_MINUS4);
2226 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2227 EEPROM_TSSI_BOUND_A1_MINUS3);
2228
2229 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2, &eeprom);
2230 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2231 EEPROM_TSSI_BOUND_A2_MINUS2);
2232 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2233 EEPROM_TSSI_BOUND_A2_MINUS1);
2234
2235 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3, &eeprom);
2236 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2237 EEPROM_TSSI_BOUND_A3_REF);
2238 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2239 EEPROM_TSSI_BOUND_A3_PLUS1);
2240
2241 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4, &eeprom);
2242 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2243 EEPROM_TSSI_BOUND_A4_PLUS2);
2244 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2245 EEPROM_TSSI_BOUND_A4_PLUS3);
2246
2247 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5, &eeprom);
2248 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2249 EEPROM_TSSI_BOUND_A5_PLUS4);
2250
2251 step = rt2x00_get_field16(eeprom,
2252 EEPROM_TSSI_BOUND_A5_AGC_STEP);
2253 }
2254
2255 /*
2256 * Check if temperature compensation is supported.
2257 */
2258 if (tssi_bounds[4] == 0xff)
2259 return 0;
2260
2261 /*
2262 * Read current TSSI (BBP 49).
2263 */
2264 rt2800_bbp_read(rt2x00dev, 49, ¤t_tssi);
2265
2266 /*
2267 * Compare TSSI value (BBP49) with the compensation boundaries
2268 * from the EEPROM and increase or decrease tx power.
2269 */
2270 for (i = 0; i <= 3; i++) {
2271 if (current_tssi > tssi_bounds[i])
2272 break;
2273 }
2274
2275 if (i == 4) {
2276 for (i = 8; i >= 5; i--) {
2277 if (current_tssi < tssi_bounds[i])
2278 break;
2279 }
2280 }
2281
2282 return (i - 4) * step;
2283}
2284
2285static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
2286 enum ieee80211_band band)
2287{
2288 u16 eeprom;
2289 u8 comp_en;
2290 u8 comp_type;
2291 int comp_value = 0;
2292
2293 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom);
2294
2295 /*
2296 * HT40 compensation not required.
2297 */
2298 if (eeprom == 0xffff ||
2299 !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2300 return 0;
2301
2302 if (band == IEEE80211_BAND_2GHZ) {
2303 comp_en = rt2x00_get_field16(eeprom,
2304 EEPROM_TXPOWER_DELTA_ENABLE_2G);
2305 if (comp_en) {
2306 comp_type = rt2x00_get_field16(eeprom,
2307 EEPROM_TXPOWER_DELTA_TYPE_2G);
2308 comp_value = rt2x00_get_field16(eeprom,
2309 EEPROM_TXPOWER_DELTA_VALUE_2G);
2310 if (!comp_type)
2311 comp_value = -comp_value;
2312 }
2313 } else {
2314 comp_en = rt2x00_get_field16(eeprom,
2315 EEPROM_TXPOWER_DELTA_ENABLE_5G);
2316 if (comp_en) {
2317 comp_type = rt2x00_get_field16(eeprom,
2318 EEPROM_TXPOWER_DELTA_TYPE_5G);
2319 comp_value = rt2x00_get_field16(eeprom,
2320 EEPROM_TXPOWER_DELTA_VALUE_5G);
2321 if (!comp_type)
2322 comp_value = -comp_value;
2323 }
2324 }
2325
2326 return comp_value;
2327}
2328
2329static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
2330 enum ieee80211_band band, int power_level,
2331 u8 txpower, int delta)
2332{
2333 u32 reg;
2334 u16 eeprom;
2335 u8 criterion;
2336 u8 eirp_txpower;
2337 u8 eirp_txpower_criterion;
2338 u8 reg_limit;
2339
2340 if (!((band == IEEE80211_BAND_5GHZ) && is_rate_b))
2341 return txpower;
2342
2343 if (test_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags)) {
2344 /*
2345 * Check if eirp txpower exceed txpower_limit.
2346 * We use OFDM 6M as criterion and its eirp txpower
2347 * is stored at EEPROM_EIRP_MAX_TX_POWER.
2348 * .11b data rate need add additional 4dbm
2349 * when calculating eirp txpower.
2350 */
2351 rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, ®);
2352 criterion = rt2x00_get_field32(reg, TX_PWR_CFG_0_6MBS);
2353
2354 rt2x00_eeprom_read(rt2x00dev,
2355 EEPROM_EIRP_MAX_TX_POWER, &eeprom);
2356
2357 if (band == IEEE80211_BAND_2GHZ)
2358 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2359 EEPROM_EIRP_MAX_TX_POWER_2GHZ);
2360 else
2361 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2362 EEPROM_EIRP_MAX_TX_POWER_5GHZ);
2363
2364 eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
2365 (is_rate_b ? 4 : 0) + delta;
2366
2367 reg_limit = (eirp_txpower > power_level) ?
2368 (eirp_txpower - power_level) : 0;
2369 } else
2370 reg_limit = 0;
2371
2372 return txpower + delta - reg_limit;
2373}
2374
2375static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
2376 enum ieee80211_band band,
2377 int power_level)
2378{
2379 u8 txpower;
2380 u16 eeprom;
2381 int i, is_rate_b;
2382 u32 reg;
2383 u8 r1;
2384 u32 offset;
2385 int delta;
2386
2387 /*
2388 * Calculate HT40 compensation delta
2389 */
2390 delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
2391
2392 /*
2393 * calculate temperature compensation delta
2394 */
2395 delta += rt2800_get_gain_calibration_delta(rt2x00dev);
2396
2397 /*
2398 * set to normal bbp tx power control mode: +/- 0dBm
2399 */
2400 rt2800_bbp_read(rt2x00dev, 1, &r1);
2401 rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, 0);
2402 rt2800_bbp_write(rt2x00dev, 1, r1);
2403 offset = TX_PWR_CFG_0;
2404
2405 for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
2406 /* just to be safe */
2407 if (offset > TX_PWR_CFG_4)
2408 break;
2409
2410 rt2800_register_read(rt2x00dev, offset, ®);
2411
2412 /* read the next four txpower values */
2413 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i,
2414 &eeprom);
2415
2416 is_rate_b = i ? 0 : 1;
2417 /*
2418 * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
2419 * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
2420 * TX_PWR_CFG_4: unknown
2421 */
2422 txpower = rt2x00_get_field16(eeprom,
2423 EEPROM_TXPOWER_BYRATE_RATE0);
2424 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2425 power_level, txpower, delta);
2426 rt2x00_set_field32(®, TX_PWR_CFG_RATE0, txpower);
2427
2428 /*
2429 * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
2430 * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
2431 * TX_PWR_CFG_4: unknown
2432 */
2433 txpower = rt2x00_get_field16(eeprom,
2434 EEPROM_TXPOWER_BYRATE_RATE1);
2435 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2436 power_level, txpower, delta);
2437 rt2x00_set_field32(®, TX_PWR_CFG_RATE1, txpower);
2438
2439 /*
2440 * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
2441 * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14,
2442 * TX_PWR_CFG_4: unknown
2443 */
2444 txpower = rt2x00_get_field16(eeprom,
2445 EEPROM_TXPOWER_BYRATE_RATE2);
2446 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2447 power_level, txpower, delta);
2448 rt2x00_set_field32(®, TX_PWR_CFG_RATE2, txpower);
2449
2450 /*
2451 * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
2452 * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15,
2453 * TX_PWR_CFG_4: unknown
2454 */
2455 txpower = rt2x00_get_field16(eeprom,
2456 EEPROM_TXPOWER_BYRATE_RATE3);
2457 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2458 power_level, txpower, delta);
2459 rt2x00_set_field32(®, TX_PWR_CFG_RATE3, txpower);
2460
2461 /* read the next four txpower values */
2462 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i + 1,
2463 &eeprom);
2464
2465 is_rate_b = 0;
2466 /*
2467 * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
2468 * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
2469 * TX_PWR_CFG_4: unknown
2470 */
2471 txpower = rt2x00_get_field16(eeprom,
2472 EEPROM_TXPOWER_BYRATE_RATE0);
2473 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2474 power_level, txpower, delta);
2475 rt2x00_set_field32(®, TX_PWR_CFG_RATE4, txpower);
2476
2477 /*
2478 * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
2479 * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
2480 * TX_PWR_CFG_4: unknown
2481 */
2482 txpower = rt2x00_get_field16(eeprom,
2483 EEPROM_TXPOWER_BYRATE_RATE1);
2484 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2485 power_level, txpower, delta);
2486 rt2x00_set_field32(®, TX_PWR_CFG_RATE5, txpower);
2487
2488 /*
2489 * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
2490 * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
2491 * TX_PWR_CFG_4: unknown
2492 */
2493 txpower = rt2x00_get_field16(eeprom,
2494 EEPROM_TXPOWER_BYRATE_RATE2);
2495 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2496 power_level, txpower, delta);
2497 rt2x00_set_field32(®, TX_PWR_CFG_RATE6, txpower);
2498
2499 /*
2500 * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
2501 * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
2502 * TX_PWR_CFG_4: unknown
2503 */
2504 txpower = rt2x00_get_field16(eeprom,
2505 EEPROM_TXPOWER_BYRATE_RATE3);
2506 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2507 power_level, txpower, delta);
2508 rt2x00_set_field32(®, TX_PWR_CFG_RATE7, txpower);
2509
2510 rt2800_register_write(rt2x00dev, offset, reg);
2511
2512 /* next TX_PWR_CFG register */
2513 offset += 4;
2514 }
2515}
2516
2517void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
2518{
2519 rt2800_config_txpower(rt2x00dev, rt2x00dev->curr_band,
2520 rt2x00dev->tx_power);
2521}
2522EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
2523
2524void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
2525{
2526 u32 tx_pin;
2527 u8 rfcsr;
2528
2529 /*
2530 * A voltage-controlled oscillator(VCO) is an electronic oscillator
2531 * designed to be controlled in oscillation frequency by a voltage
2532 * input. Maybe the temperature will affect the frequency of
2533 * oscillation to be shifted. The VCO calibration will be called
2534 * periodically to adjust the frequency to be precision.
2535 */
2536
2537 rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
2538 tx_pin &= TX_PIN_CFG_PA_PE_DISABLE;
2539 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
2540
2541 switch (rt2x00dev->chip.rf) {
2542 case RF2020:
2543 case RF3020:
2544 case RF3021:
2545 case RF3022:
2546 case RF3320:
2547 case RF3052:
2548 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2549 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2550 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2551 break;
2552 case RF5370:
2553 case RF5372:
2554 case RF5390:
2555 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2556 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
2557 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2558 break;
2559 default:
2560 return;
2561 }
2562
2563 mdelay(1);
2564
2565 rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
2566 if (rt2x00dev->rf_channel <= 14) {
2567 switch (rt2x00dev->default_ant.tx_chain_num) {
2568 case 3:
2569 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1);
2570 /* fall through */
2571 case 2:
2572 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
2573 /* fall through */
2574 case 1:
2575 default:
2576 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
2577 break;
2578 }
2579 } else {
2580 switch (rt2x00dev->default_ant.tx_chain_num) {
2581 case 3:
2582 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1);
2583 /* fall through */
2584 case 2:
2585 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
2586 /* fall through */
2587 case 1:
2588 default:
2589 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
2590 break;
2591 }
2592 }
2593 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
2594
2595}
2596EXPORT_SYMBOL_GPL(rt2800_vco_calibration);
2597
2598static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
2599 struct rt2x00lib_conf *libconf)
2600{
2601 u32 reg;
2602
2603 rt2800_register_read(rt2x00dev, TX_RTY_CFG, ®);
2604 rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT,
2605 libconf->conf->short_frame_max_tx_count);
2606 rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT,
2607 libconf->conf->long_frame_max_tx_count);
2608 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
2609}
2610
2611static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
2612 struct rt2x00lib_conf *libconf)
2613{
2614 enum dev_state state =
2615 (libconf->conf->flags & IEEE80211_CONF_PS) ?
2616 STATE_SLEEP : STATE_AWAKE;
2617 u32 reg;
2618
2619 if (state == STATE_SLEEP) {
2620 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
2621
2622 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, ®);
2623 rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
2624 rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
2625 libconf->conf->listen_interval - 1);
2626 rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 1);
2627 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
2628
2629 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
2630 } else {
2631 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, ®);
2632 rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
2633 rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
2634 rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 0);
2635 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
2636
2637 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
2638 }
2639}
2640
2641void rt2800_config(struct rt2x00_dev *rt2x00dev,
2642 struct rt2x00lib_conf *libconf,
2643 const unsigned int flags)
2644{
2645 /* Always recalculate LNA gain before changing configuration */
2646 rt2800_config_lna_gain(rt2x00dev, libconf);
2647
2648 if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
2649 rt2800_config_channel(rt2x00dev, libconf->conf,
2650 &libconf->rf, &libconf->channel);
2651 rt2800_config_txpower(rt2x00dev, libconf->conf->channel->band,
2652 libconf->conf->power_level);
2653 }
2654 if (flags & IEEE80211_CONF_CHANGE_POWER)
2655 rt2800_config_txpower(rt2x00dev, libconf->conf->channel->band,
2656 libconf->conf->power_level);
2657 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
2658 rt2800_config_retry_limit(rt2x00dev, libconf);
2659 if (flags & IEEE80211_CONF_CHANGE_PS)
2660 rt2800_config_ps(rt2x00dev, libconf);
2661}
2662EXPORT_SYMBOL_GPL(rt2800_config);
2663
2664/*
2665 * Link tuning
2666 */
2667void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
2668{
2669 u32 reg;
2670
2671 /*
2672 * Update FCS error count from register.
2673 */
2674 rt2800_register_read(rt2x00dev, RX_STA_CNT0, ®);
2675 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
2676}
2677EXPORT_SYMBOL_GPL(rt2800_link_stats);
2678
2679static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
2680{
2681 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2682 if (rt2x00_rt(rt2x00dev, RT3070) ||
2683 rt2x00_rt(rt2x00dev, RT3071) ||
2684 rt2x00_rt(rt2x00dev, RT3090) ||
2685 rt2x00_rt(rt2x00dev, RT3390) ||
2686 rt2x00_rt(rt2x00dev, RT5390) ||
2687 rt2x00_rt(rt2x00dev, RT5392))
2688 return 0x1c + (2 * rt2x00dev->lna_gain);
2689 else
2690 return 0x2e + rt2x00dev->lna_gain;
2691 }
2692
2693 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2694 return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
2695 else
2696 return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
2697}
2698
2699static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
2700 struct link_qual *qual, u8 vgc_level)
2701{
2702 if (qual->vgc_level != vgc_level) {
2703 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
2704 qual->vgc_level = vgc_level;
2705 qual->vgc_level_reg = vgc_level;
2706 }
2707}
2708
2709void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
2710{
2711 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
2712}
2713EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
2714
2715void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
2716 const u32 count)
2717{
2718 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
2719 return;
2720
2721 /*
2722 * When RSSI is better then -80 increase VGC level with 0x10
2723 */
2724 rt2800_set_vgc(rt2x00dev, qual,
2725 rt2800_get_default_vgc(rt2x00dev) +
2726 ((qual->rssi > -80) * 0x10));
2727}
2728EXPORT_SYMBOL_GPL(rt2800_link_tuner);
2729
2730/*
2731 * Initialization functions.
2732 */
2733static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
2734{
2735 u32 reg;
2736 u16 eeprom;
2737 unsigned int i;
2738 int ret;
2739
2740 rt2800_disable_wpdma(rt2x00dev);
2741
2742 ret = rt2800_drv_init_registers(rt2x00dev);
2743 if (ret)
2744 return ret;
2745
2746 rt2800_register_read(rt2x00dev, BCN_OFFSET0, ®);
2747 rt2x00_set_field32(®, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
2748 rt2x00_set_field32(®, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
2749 rt2x00_set_field32(®, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
2750 rt2x00_set_field32(®, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
2751 rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
2752
2753 rt2800_register_read(rt2x00dev, BCN_OFFSET1, ®);
2754 rt2x00_set_field32(®, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
2755 rt2x00_set_field32(®, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
2756 rt2x00_set_field32(®, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
2757 rt2x00_set_field32(®, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
2758 rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
2759
2760 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
2761 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
2762
2763 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
2764
2765 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®);
2766 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
2767 rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0);
2768 rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, 0);
2769 rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0);
2770 rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0);
2771 rt2x00_set_field32(®, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
2772 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
2773
2774 rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
2775
2776 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, ®);
2777 rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME, 9);
2778 rt2x00_set_field32(®, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
2779 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
2780
2781 if (rt2x00_rt(rt2x00dev, RT3071) ||
2782 rt2x00_rt(rt2x00dev, RT3090) ||
2783 rt2x00_rt(rt2x00dev, RT3390)) {
2784 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2785 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2786 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
2787 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
2788 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
2789 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
2790 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
2791 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
2792 0x0000002c);
2793 else
2794 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
2795 0x0000000f);
2796 } else {
2797 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2798 }
2799 } else if (rt2x00_rt(rt2x00dev, RT3070)) {
2800 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2801
2802 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
2803 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2804 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
2805 } else {
2806 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2807 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2808 }
2809 } else if (rt2800_is_305x_soc(rt2x00dev)) {
2810 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2811 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2812 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
2813 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
2814 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2815 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2816 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
2817 rt2x00_rt(rt2x00dev, RT5392)) {
2818 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
2819 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2820 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2821 } else {
2822 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
2823 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2824 }
2825
2826 rt2800_register_read(rt2x00dev, TX_LINK_CFG, ®);
2827 rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
2828 rt2x00_set_field32(®, TX_LINK_CFG_MFB_ENABLE, 0);
2829 rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
2830 rt2x00_set_field32(®, TX_LINK_CFG_TX_MRQ_EN, 0);
2831 rt2x00_set_field32(®, TX_LINK_CFG_TX_RDG_EN, 0);
2832 rt2x00_set_field32(®, TX_LINK_CFG_TX_CF_ACK_EN, 1);
2833 rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB, 0);
2834 rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFS, 0);
2835 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
2836
2837 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, ®);
2838 rt2x00_set_field32(®, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
2839 rt2x00_set_field32(®, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
2840 rt2x00_set_field32(®, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
2841 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
2842
2843 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, ®);
2844 rt2x00_set_field32(®, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
2845 if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
2846 rt2x00_rt(rt2x00dev, RT2883) ||
2847 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
2848 rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, 2);
2849 else
2850 rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, 1);
2851 rt2x00_set_field32(®, MAX_LEN_CFG_MIN_PSDU, 0);
2852 rt2x00_set_field32(®, MAX_LEN_CFG_MIN_MPDU, 0);
2853 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
2854
2855 rt2800_register_read(rt2x00dev, LED_CFG, ®);
2856 rt2x00_set_field32(®, LED_CFG_ON_PERIOD, 70);
2857 rt2x00_set_field32(®, LED_CFG_OFF_PERIOD, 30);
2858 rt2x00_set_field32(®, LED_CFG_SLOW_BLINK_PERIOD, 3);
2859 rt2x00_set_field32(®, LED_CFG_R_LED_MODE, 3);
2860 rt2x00_set_field32(®, LED_CFG_G_LED_MODE, 3);
2861 rt2x00_set_field32(®, LED_CFG_Y_LED_MODE, 3);
2862 rt2x00_set_field32(®, LED_CFG_LED_POLAR, 1);
2863 rt2800_register_write(rt2x00dev, LED_CFG, reg);
2864
2865 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
2866
2867 rt2800_register_read(rt2x00dev, TX_RTY_CFG, ®);
2868 rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
2869 rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
2870 rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_THRE, 2000);
2871 rt2x00_set_field32(®, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
2872 rt2x00_set_field32(®, TX_RTY_CFG_AGG_RTY_MODE, 0);
2873 rt2x00_set_field32(®, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
2874 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
2875
2876 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, ®);
2877 rt2x00_set_field32(®, AUTO_RSP_CFG_AUTORESPONDER, 1);
2878 rt2x00_set_field32(®, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
2879 rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MMODE, 0);
2880 rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MREF, 0);
2881 rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, 1);
2882 rt2x00_set_field32(®, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
2883 rt2x00_set_field32(®, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
2884 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
2885
2886 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, ®);
2887 rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_RATE, 3);
2888 rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_CTRL, 0);
2889 rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
2890 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2891 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2892 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2893 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2894 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2895 rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2896 rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, 1);
2897 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
2898
2899 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, ®);
2900 rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_RATE, 3);
2901 rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, 0);
2902 rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
2903 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2904 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2905 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2906 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2907 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2908 rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2909 rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, 1);
2910 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
2911
2912 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, ®);
2913 rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
2914 rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, 0);
2915 rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
2916 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2917 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2918 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2919 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2920 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2921 rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2922 rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, 0);
2923 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
2924
2925 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, ®);
2926 rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
2927 rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, 0);
2928 rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
2929 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2930 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2931 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2932 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
2933 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2934 rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
2935 rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, 0);
2936 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
2937
2938 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, ®);
2939 rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
2940 rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, 0);
2941 rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
2942 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2943 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2944 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2945 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2946 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2947 rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2948 rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, 0);
2949 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
2950
2951 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, ®);
2952 rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
2953 rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, 0);
2954 rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
2955 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2956 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2957 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2958 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
2959 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2960 rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
2961 rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, 0);
2962 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
2963
2964 if (rt2x00_is_usb(rt2x00dev)) {
2965 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
2966
2967 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®);
2968 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
2969 rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
2970 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
2971 rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
2972 rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
2973 rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
2974 rt2x00_set_field32(®, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
2975 rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
2976 rt2x00_set_field32(®, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
2977 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
2978 }
2979
2980 /*
2981 * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
2982 * although it is reserved.
2983 */
2984 rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, ®);
2985 rt2x00_set_field32(®, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
2986 rt2x00_set_field32(®, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
2987 rt2x00_set_field32(®, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
2988 rt2x00_set_field32(®, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
2989 rt2x00_set_field32(®, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
2990 rt2x00_set_field32(®, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
2991 rt2x00_set_field32(®, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
2992 rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
2993 rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
2994 rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CWMIN, 0);
2995 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
2996
2997 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
2998
2999 rt2800_register_read(rt2x00dev, TX_RTS_CFG, ®);
3000 rt2x00_set_field32(®, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
3001 rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES,
3002 IEEE80211_MAX_RTS_THRESHOLD);
3003 rt2x00_set_field32(®, TX_RTS_CFG_RTS_FBK_EN, 0);
3004 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
3005
3006 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
3007
3008 /*
3009 * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
3010 * time should be set to 16. However, the original Ralink driver uses
3011 * 16 for both and indeed using a value of 10 for CCK SIFS results in
3012 * connection problems with 11g + CTS protection. Hence, use the same
3013 * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
3014 */
3015 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, ®);
3016 rt2x00_set_field32(®, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
3017 rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
3018 rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
3019 rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, 314);
3020 rt2x00_set_field32(®, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
3021 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
3022
3023 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
3024
3025 /*
3026 * ASIC will keep garbage value after boot, clear encryption keys.
3027 */
3028 for (i = 0; i < 4; i++)
3029 rt2800_register_write(rt2x00dev,
3030 SHARED_KEY_MODE_ENTRY(i), 0);
3031
3032 for (i = 0; i < 256; i++) {
3033 rt2800_config_wcid(rt2x00dev, NULL, i);
3034 rt2800_delete_wcid_attr(rt2x00dev, i);
3035 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
3036 }
3037
3038 /*
3039 * Clear all beacons
3040 */
3041 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE0);
3042 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE1);
3043 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE2);
3044 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE3);
3045 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE4);
3046 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE5);
3047 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE6);
3048 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE7);
3049
3050 if (rt2x00_is_usb(rt2x00dev)) {
3051 rt2800_register_read(rt2x00dev, US_CYC_CNT, ®);
3052 rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 30);
3053 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
3054 } else if (rt2x00_is_pcie(rt2x00dev)) {
3055 rt2800_register_read(rt2x00dev, US_CYC_CNT, ®);
3056 rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 125);
3057 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
3058 }
3059
3060 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, ®);
3061 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS0FBK, 0);
3062 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS1FBK, 0);
3063 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS2FBK, 1);
3064 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS3FBK, 2);
3065 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS4FBK, 3);
3066 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS5FBK, 4);
3067 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS6FBK, 5);
3068 rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS7FBK, 6);
3069 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
3070
3071 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, ®);
3072 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS8FBK, 8);
3073 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS9FBK, 8);
3074 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS10FBK, 9);
3075 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS11FBK, 10);
3076 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS12FBK, 11);
3077 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS13FBK, 12);
3078 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS14FBK, 13);
3079 rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS15FBK, 14);
3080 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
3081
3082 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, ®);
3083 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS0FBK, 8);
3084 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS1FBK, 8);
3085 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS2FBK, 9);
3086 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS3FBK, 10);
3087 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS4FBK, 11);
3088 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS5FBK, 12);
3089 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS6FBK, 13);
3090 rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS7FBK, 14);
3091 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
3092
3093 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, ®);
3094 rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS0FBK, 0);
3095 rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS1FBK, 0);
3096 rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS2FBK, 1);
3097 rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS3FBK, 2);
3098 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
3099
3100 /*
3101 * Do not force the BA window size, we use the TXWI to set it
3102 */
3103 rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, ®);
3104 rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
3105 rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
3106 rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
3107
3108 /*
3109 * We must clear the error counters.
3110 * These registers are cleared on read,
3111 * so we may pass a useless variable to store the value.
3112 */
3113 rt2800_register_read(rt2x00dev, RX_STA_CNT0, ®);
3114 rt2800_register_read(rt2x00dev, RX_STA_CNT1, ®);
3115 rt2800_register_read(rt2x00dev, RX_STA_CNT2, ®);
3116 rt2800_register_read(rt2x00dev, TX_STA_CNT0, ®);
3117 rt2800_register_read(rt2x00dev, TX_STA_CNT1, ®);
3118 rt2800_register_read(rt2x00dev, TX_STA_CNT2, ®);
3119
3120 /*
3121 * Setup leadtime for pre tbtt interrupt to 6ms
3122 */
3123 rt2800_register_read(rt2x00dev, INT_TIMER_CFG, ®);
3124 rt2x00_set_field32(®, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
3125 rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
3126
3127 /*
3128 * Set up channel statistics timer
3129 */
3130 rt2800_register_read(rt2x00dev, CH_TIME_CFG, ®);
3131 rt2x00_set_field32(®, CH_TIME_CFG_EIFS_BUSY, 1);
3132 rt2x00_set_field32(®, CH_TIME_CFG_NAV_BUSY, 1);
3133 rt2x00_set_field32(®, CH_TIME_CFG_RX_BUSY, 1);
3134 rt2x00_set_field32(®, CH_TIME_CFG_TX_BUSY, 1);
3135 rt2x00_set_field32(®, CH_TIME_CFG_TMR_EN, 1);
3136 rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
3137
3138 return 0;
3139}
3140
3141static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
3142{
3143 unsigned int i;
3144 u32 reg;
3145
3146 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
3147 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, ®);
3148 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
3149 return 0;
3150
3151 udelay(REGISTER_BUSY_DELAY);
3152 }
3153
3154 ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
3155 return -EACCES;
3156}
3157
3158static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
3159{
3160 unsigned int i;
3161 u8 value;
3162
3163 /*
3164 * BBP was enabled after firmware was loaded,
3165 * but we need to reactivate it now.
3166 */
3167 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
3168 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
3169 msleep(1);
3170
3171 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
3172 rt2800_bbp_read(rt2x00dev, 0, &value);
3173 if ((value != 0xff) && (value != 0x00))
3174 return 0;
3175 udelay(REGISTER_BUSY_DELAY);
3176 }
3177
3178 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
3179 return -EACCES;
3180}
3181
3182static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
3183{
3184 unsigned int i;
3185 u16 eeprom;
3186 u8 reg_id;
3187 u8 value;
3188
3189 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
3190 rt2800_wait_bbp_ready(rt2x00dev)))
3191 return -EACCES;
3192
3193 if (rt2x00_rt(rt2x00dev, RT5390) ||
3194 rt2x00_rt(rt2x00dev, RT5392)) {
3195 rt2800_bbp_read(rt2x00dev, 4, &value);
3196 rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
3197 rt2800_bbp_write(rt2x00dev, 4, value);
3198 }
3199
3200 if (rt2800_is_305x_soc(rt2x00dev) ||
3201 rt2x00_rt(rt2x00dev, RT3572) ||
3202 rt2x00_rt(rt2x00dev, RT5390) ||
3203 rt2x00_rt(rt2x00dev, RT5392))
3204 rt2800_bbp_write(rt2x00dev, 31, 0x08);
3205
3206 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
3207 rt2800_bbp_write(rt2x00dev, 66, 0x38);
3208
3209 if (rt2x00_rt(rt2x00dev, RT5390) ||
3210 rt2x00_rt(rt2x00dev, RT5392))
3211 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
3212
3213 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
3214 rt2800_bbp_write(rt2x00dev, 69, 0x16);
3215 rt2800_bbp_write(rt2x00dev, 73, 0x12);
3216 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
3217 rt2x00_rt(rt2x00dev, RT5392)) {
3218 rt2800_bbp_write(rt2x00dev, 69, 0x12);
3219 rt2800_bbp_write(rt2x00dev, 73, 0x13);
3220 rt2800_bbp_write(rt2x00dev, 75, 0x46);
3221 rt2800_bbp_write(rt2x00dev, 76, 0x28);
3222 rt2800_bbp_write(rt2x00dev, 77, 0x59);
3223 } else {
3224 rt2800_bbp_write(rt2x00dev, 69, 0x12);
3225 rt2800_bbp_write(rt2x00dev, 73, 0x10);
3226 }
3227
3228 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3229
3230 if (rt2x00_rt(rt2x00dev, RT3070) ||
3231 rt2x00_rt(rt2x00dev, RT3071) ||
3232 rt2x00_rt(rt2x00dev, RT3090) ||
3233 rt2x00_rt(rt2x00dev, RT3390) ||
3234 rt2x00_rt(rt2x00dev, RT3572) ||
3235 rt2x00_rt(rt2x00dev, RT5390) ||
3236 rt2x00_rt(rt2x00dev, RT5392)) {
3237 rt2800_bbp_write(rt2x00dev, 79, 0x13);
3238 rt2800_bbp_write(rt2x00dev, 80, 0x05);
3239 rt2800_bbp_write(rt2x00dev, 81, 0x33);
3240 } else if (rt2800_is_305x_soc(rt2x00dev)) {
3241 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
3242 rt2800_bbp_write(rt2x00dev, 80, 0x08);
3243 } else {
3244 rt2800_bbp_write(rt2x00dev, 81, 0x37);
3245 }
3246
3247 rt2800_bbp_write(rt2x00dev, 82, 0x62);
3248 if (rt2x00_rt(rt2x00dev, RT5390) ||
3249 rt2x00_rt(rt2x00dev, RT5392))
3250 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
3251 else
3252 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
3253
3254 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
3255 rt2800_bbp_write(rt2x00dev, 84, 0x19);
3256 else if (rt2x00_rt(rt2x00dev, RT5390) ||
3257 rt2x00_rt(rt2x00dev, RT5392))
3258 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
3259 else
3260 rt2800_bbp_write(rt2x00dev, 84, 0x99);
3261
3262 if (rt2x00_rt(rt2x00dev, RT5390) ||
3263 rt2x00_rt(rt2x00dev, RT5392))
3264 rt2800_bbp_write(rt2x00dev, 86, 0x38);
3265 else
3266 rt2800_bbp_write(rt2x00dev, 86, 0x00);
3267
3268 if (rt2x00_rt(rt2x00dev, RT5392))
3269 rt2800_bbp_write(rt2x00dev, 88, 0x90);
3270
3271 rt2800_bbp_write(rt2x00dev, 91, 0x04);
3272
3273 if (rt2x00_rt(rt2x00dev, RT5390) ||
3274 rt2x00_rt(rt2x00dev, RT5392))
3275 rt2800_bbp_write(rt2x00dev, 92, 0x02);
3276 else
3277 rt2800_bbp_write(rt2x00dev, 92, 0x00);
3278
3279 if (rt2x00_rt(rt2x00dev, RT5392)) {
3280 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
3281 rt2800_bbp_write(rt2x00dev, 98, 0x12);
3282 }
3283
3284 if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
3285 rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
3286 rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E) ||
3287 rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E) ||
3288 rt2x00_rt(rt2x00dev, RT3572) ||
3289 rt2x00_rt(rt2x00dev, RT5390) ||
3290 rt2x00_rt(rt2x00dev, RT5392) ||
3291 rt2800_is_305x_soc(rt2x00dev))
3292 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
3293 else
3294 rt2800_bbp_write(rt2x00dev, 103, 0x00);
3295
3296 if (rt2x00_rt(rt2x00dev, RT5390) ||
3297 rt2x00_rt(rt2x00dev, RT5392))
3298 rt2800_bbp_write(rt2x00dev, 104, 0x92);
3299
3300 if (rt2800_is_305x_soc(rt2x00dev))
3301 rt2800_bbp_write(rt2x00dev, 105, 0x01);
3302 else if (rt2x00_rt(rt2x00dev, RT5390) ||
3303 rt2x00_rt(rt2x00dev, RT5392))
3304 rt2800_bbp_write(rt2x00dev, 105, 0x3c);
3305 else
3306 rt2800_bbp_write(rt2x00dev, 105, 0x05);
3307
3308 if (rt2x00_rt(rt2x00dev, RT5390))
3309 rt2800_bbp_write(rt2x00dev, 106, 0x03);
3310 else if (rt2x00_rt(rt2x00dev, RT5392))
3311 rt2800_bbp_write(rt2x00dev, 106, 0x12);
3312 else
3313 rt2800_bbp_write(rt2x00dev, 106, 0x35);
3314
3315 if (rt2x00_rt(rt2x00dev, RT5390) ||
3316 rt2x00_rt(rt2x00dev, RT5392))
3317 rt2800_bbp_write(rt2x00dev, 128, 0x12);
3318
3319 if (rt2x00_rt(rt2x00dev, RT5392)) {
3320 rt2800_bbp_write(rt2x00dev, 134, 0xd0);
3321 rt2800_bbp_write(rt2x00dev, 135, 0xf6);
3322 }
3323
3324 if (rt2x00_rt(rt2x00dev, RT3071) ||
3325 rt2x00_rt(rt2x00dev, RT3090) ||
3326 rt2x00_rt(rt2x00dev, RT3390) ||
3327 rt2x00_rt(rt2x00dev, RT3572) ||
3328 rt2x00_rt(rt2x00dev, RT5390) ||
3329 rt2x00_rt(rt2x00dev, RT5392)) {
3330 rt2800_bbp_read(rt2x00dev, 138, &value);
3331
3332 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3333 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
3334 value |= 0x20;
3335 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
3336 value &= ~0x02;
3337
3338 rt2800_bbp_write(rt2x00dev, 138, value);
3339 }
3340
3341 if (rt2x00_rt(rt2x00dev, RT5390) ||
3342 rt2x00_rt(rt2x00dev, RT5392)) {
3343 int ant, div_mode;
3344
3345 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3346 div_mode = rt2x00_get_field16(eeprom,
3347 EEPROM_NIC_CONF1_ANT_DIVERSITY);
3348 ant = (div_mode == 3) ? 1 : 0;
3349
3350 /* check if this is a Bluetooth combo card */
3351 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
3352 u32 reg;
3353
3354 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, ®);
3355 rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT3, 0);
3356 rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT6, 0);
3357 rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT3, 0);
3358 rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT6, 0);
3359 if (ant == 0)
3360 rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT3, 1);
3361 else if (ant == 1)
3362 rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT6, 1);
3363 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
3364 }
3365
3366 /* This chip has hardware antenna diversity*/
3367 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
3368 rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */
3369 rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */
3370 rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */
3371 }
3372
3373 rt2800_bbp_read(rt2x00dev, 152, &value);
3374 if (ant == 0)
3375 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
3376 else
3377 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
3378 rt2800_bbp_write(rt2x00dev, 152, value);
3379
3380 /* Init frequency calibration */
3381 rt2800_bbp_write(rt2x00dev, 142, 1);
3382 rt2800_bbp_write(rt2x00dev, 143, 57);
3383 }
3384
3385 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
3386 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
3387
3388 if (eeprom != 0xffff && eeprom != 0x0000) {
3389 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
3390 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
3391 rt2800_bbp_write(rt2x00dev, reg_id, value);
3392 }
3393 }
3394
3395 return 0;
3396}
3397
3398static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
3399 bool bw40, u8 rfcsr24, u8 filter_target)
3400{
3401 unsigned int i;
3402 u8 bbp;
3403 u8 rfcsr;
3404 u8 passband;
3405 u8 stopband;
3406 u8 overtuned = 0;
3407
3408 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3409
3410 rt2800_bbp_read(rt2x00dev, 4, &bbp);
3411 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
3412 rt2800_bbp_write(rt2x00dev, 4, bbp);
3413
3414 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
3415 rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
3416 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
3417
3418 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
3419 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
3420 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
3421
3422 /*
3423 * Set power & frequency of passband test tone
3424 */
3425 rt2800_bbp_write(rt2x00dev, 24, 0);
3426
3427 for (i = 0; i < 100; i++) {
3428 rt2800_bbp_write(rt2x00dev, 25, 0x90);
3429 msleep(1);
3430
3431 rt2800_bbp_read(rt2x00dev, 55, &passband);
3432 if (passband)
3433 break;
3434 }
3435
3436 /*
3437 * Set power & frequency of stopband test tone
3438 */
3439 rt2800_bbp_write(rt2x00dev, 24, 0x06);
3440
3441 for (i = 0; i < 100; i++) {
3442 rt2800_bbp_write(rt2x00dev, 25, 0x90);
3443 msleep(1);
3444
3445 rt2800_bbp_read(rt2x00dev, 55, &stopband);
3446
3447 if ((passband - stopband) <= filter_target) {
3448 rfcsr24++;
3449 overtuned += ((passband - stopband) == filter_target);
3450 } else
3451 break;
3452
3453 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3454 }
3455
3456 rfcsr24 -= !!overtuned;
3457
3458 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3459 return rfcsr24;
3460}
3461
3462static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
3463{
3464 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
3465 u8 rfcsr;
3466 u8 bbp;
3467 u32 reg;
3468 u16 eeprom;
3469
3470 if (!rt2x00_rt(rt2x00dev, RT3070) &&
3471 !rt2x00_rt(rt2x00dev, RT3071) &&
3472 !rt2x00_rt(rt2x00dev, RT3090) &&
3473 !rt2x00_rt(rt2x00dev, RT3390) &&
3474 !rt2x00_rt(rt2x00dev, RT3572) &&
3475 !rt2x00_rt(rt2x00dev, RT5390) &&
3476 !rt2x00_rt(rt2x00dev, RT5392) &&
3477 !rt2800_is_305x_soc(rt2x00dev))
3478 return 0;
3479
3480 /*
3481 * Init RF calibration.
3482 */
3483 if (rt2x00_rt(rt2x00dev, RT5390) ||
3484 rt2x00_rt(rt2x00dev, RT5392)) {
3485 rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
3486 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
3487 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
3488 msleep(1);
3489 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0);
3490 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
3491 } else {
3492 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3493 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
3494 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3495 msleep(1);
3496 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
3497 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3498 }
3499
3500 if (rt2x00_rt(rt2x00dev, RT3070) ||
3501 rt2x00_rt(rt2x00dev, RT3071) ||
3502 rt2x00_rt(rt2x00dev, RT3090)) {
3503 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3504 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
3505 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
3506 rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
3507 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
3508 rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
3509 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3510 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
3511 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3512 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
3513 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
3514 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
3515 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
3516 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
3517 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
3518 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
3519 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
3520 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
3521 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
3522 } else if (rt2x00_rt(rt2x00dev, RT3390)) {
3523 rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
3524 rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
3525 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
3526 rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
3527 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3528 rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
3529 rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
3530 rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
3531 rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
3532 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
3533 rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
3534 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3535 rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
3536 rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
3537 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3538 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
3539 rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
3540 rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
3541 rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
3542 rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
3543 rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
3544 rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
3545 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3546 rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
3547 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
3548 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
3549 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
3550 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
3551 rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
3552 rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
3553 rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
3554 rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
3555 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
3556 rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
3557 rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
3558 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
3559 rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
3560 rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
3561 rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
3562 rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
3563 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
3564 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
3565 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
3566 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
3567 rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
3568 rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
3569 rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
3570 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
3571 rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
3572 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
3573 rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
3574 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
3575 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
3576 rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
3577 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3578 rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
3579 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
3580 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
3581 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
3582 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
3583 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
3584 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
3585 rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
3586 rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
3587 } else if (rt2800_is_305x_soc(rt2x00dev)) {
3588 rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
3589 rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
3590 rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
3591 rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
3592 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3593 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
3594 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
3595 rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
3596 rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
3597 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
3598 rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
3599 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3600 rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
3601 rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
3602 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3603 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
3604 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
3605 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
3606 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
3607 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
3608 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
3609 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
3610 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3611 rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
3612 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
3613 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
3614 rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
3615 rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
3616 rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
3617 rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
3618 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
3619 rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
3620 return 0;
3621 } else if (rt2x00_rt(rt2x00dev, RT5390)) {
3622 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
3623 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
3624 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
3625 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
3626 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3627 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
3628 else
3629 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
3630 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
3631 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
3632 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
3633 rt2800_rfcsr_write(rt2x00dev, 12, 0xc6);
3634 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
3635 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
3636 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
3637 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
3638 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
3639 rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
3640
3641 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
3642 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
3643 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
3644 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
3645 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
3646 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3647 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
3648 else
3649 rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
3650 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
3651 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
3652 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
3653 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
3654
3655 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
3656 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
3657 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
3658 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
3659 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
3660 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
3661 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
3662 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
3663 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
3664 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
3665
3666 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3667 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
3668 else
3669 rt2800_rfcsr_write(rt2x00dev, 40, 0x4b);
3670 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
3671 rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
3672 rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
3673 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
3674 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
3675 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3676 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
3677 else
3678 rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
3679 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
3680 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
3681 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
3682
3683 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
3684 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3685 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
3686 else
3687 rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
3688 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
3689 rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
3690 rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
3691 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
3692 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
3693 rt2800_rfcsr_write(rt2x00dev, 59, 0x63);
3694
3695 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
3696 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3697 rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
3698 else
3699 rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
3700 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
3701 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
3702 } else if (rt2x00_rt(rt2x00dev, RT5392)) {
3703 rt2800_rfcsr_write(rt2x00dev, 1, 0x17);
3704 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
3705 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
3706 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
3707 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
3708 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
3709 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
3710 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
3711 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
3712 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
3713 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
3714 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
3715 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
3716 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
3717 rt2800_rfcsr_write(rt2x00dev, 19, 0x4d);
3718 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
3719 rt2800_rfcsr_write(rt2x00dev, 21, 0x8d);
3720 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
3721 rt2800_rfcsr_write(rt2x00dev, 23, 0x0b);
3722 rt2800_rfcsr_write(rt2x00dev, 24, 0x44);
3723 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
3724 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
3725 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
3726 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
3727 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
3728 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
3729 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
3730 rt2800_rfcsr_write(rt2x00dev, 32, 0x20);
3731 rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
3732 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
3733 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
3734 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
3735 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
3736 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
3737 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
3738 rt2800_rfcsr_write(rt2x00dev, 40, 0x0f);
3739 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
3740 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
3741 rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
3742 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
3743 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
3744 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
3745 rt2800_rfcsr_write(rt2x00dev, 47, 0x0c);
3746 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
3747 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
3748 rt2800_rfcsr_write(rt2x00dev, 50, 0x94);
3749 rt2800_rfcsr_write(rt2x00dev, 51, 0x3a);
3750 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
3751 rt2800_rfcsr_write(rt2x00dev, 53, 0x44);
3752 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
3753 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
3754 rt2800_rfcsr_write(rt2x00dev, 56, 0xa1);
3755 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
3756 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
3757 rt2800_rfcsr_write(rt2x00dev, 59, 0x07);
3758 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
3759 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
3760 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
3761 rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
3762 }
3763
3764 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
3765 rt2800_register_read(rt2x00dev, LDO_CFG0, ®);
3766 rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1);
3767 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3768 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3769 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
3770 rt2x00_rt(rt2x00dev, RT3090)) {
3771 rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
3772
3773 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
3774 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
3775 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
3776
3777 rt2800_register_read(rt2x00dev, LDO_CFG0, ®);
3778 rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1);
3779 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3780 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
3781 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3782 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
3783 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3784 else
3785 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0);
3786 }
3787 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3788
3789 rt2800_register_read(rt2x00dev, GPIO_SWITCH, ®);
3790 rt2x00_set_field32(®, GPIO_SWITCH_5, 0);
3791 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
3792 } else if (rt2x00_rt(rt2x00dev, RT3390)) {
3793 rt2800_register_read(rt2x00dev, GPIO_SWITCH, ®);
3794 rt2x00_set_field32(®, GPIO_SWITCH_5, 0);
3795 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
3796 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
3797 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
3798 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
3799 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
3800
3801 rt2800_register_read(rt2x00dev, LDO_CFG0, ®);
3802 rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3803 rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1);
3804 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3805 msleep(1);
3806 rt2800_register_read(rt2x00dev, LDO_CFG0, ®);
3807 rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1);
3808 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3809 }
3810
3811 /*
3812 * Set RX Filter calibration for 20MHz and 40MHz
3813 */
3814 if (rt2x00_rt(rt2x00dev, RT3070)) {
3815 drv_data->calibration_bw20 =
3816 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
3817 drv_data->calibration_bw40 =
3818 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
3819 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
3820 rt2x00_rt(rt2x00dev, RT3090) ||
3821 rt2x00_rt(rt2x00dev, RT3390) ||
3822 rt2x00_rt(rt2x00dev, RT3572)) {
3823 drv_data->calibration_bw20 =
3824 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x13);
3825 drv_data->calibration_bw40 =
3826 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x15);
3827 }
3828
3829 /*
3830 * Save BBP 25 & 26 values for later use in channel switching
3831 */
3832 rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
3833 rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
3834
3835 if (!rt2x00_rt(rt2x00dev, RT5390) &&
3836 !rt2x00_rt(rt2x00dev, RT5392)) {
3837 /*
3838 * Set back to initial state
3839 */
3840 rt2800_bbp_write(rt2x00dev, 24, 0);
3841
3842 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
3843 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
3844 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
3845
3846 /*
3847 * Set BBP back to BW20
3848 */
3849 rt2800_bbp_read(rt2x00dev, 4, &bbp);
3850 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
3851 rt2800_bbp_write(rt2x00dev, 4, bbp);
3852 }
3853
3854 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
3855 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3856 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
3857 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
3858 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
3859
3860 rt2800_register_read(rt2x00dev, OPT_14_CSR, ®);
3861 rt2x00_set_field32(®, OPT_14_CSR_BIT0, 1);
3862 rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
3863
3864 if (!rt2x00_rt(rt2x00dev, RT5390) &&
3865 !rt2x00_rt(rt2x00dev, RT5392)) {
3866 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
3867 rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
3868 if (rt2x00_rt(rt2x00dev, RT3070) ||
3869 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3870 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
3871 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
3872 if (!test_bit(CAPABILITY_EXTERNAL_LNA_BG,
3873 &rt2x00dev->cap_flags))
3874 rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
3875 }
3876 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
3877 drv_data->txmixer_gain_24g);
3878 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
3879 }
3880
3881 if (rt2x00_rt(rt2x00dev, RT3090)) {
3882 rt2800_bbp_read(rt2x00dev, 138, &bbp);
3883
3884 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
3885 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3886 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
3887 rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
3888 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
3889 rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
3890
3891 rt2800_bbp_write(rt2x00dev, 138, bbp);
3892 }
3893
3894 if (rt2x00_rt(rt2x00dev, RT3071) ||
3895 rt2x00_rt(rt2x00dev, RT3090) ||
3896 rt2x00_rt(rt2x00dev, RT3390)) {
3897 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
3898 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
3899 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
3900 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
3901 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
3902 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
3903 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
3904
3905 rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
3906 rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
3907 rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
3908
3909 rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
3910 rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
3911 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
3912
3913 rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
3914 rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
3915 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
3916 }
3917
3918 if (rt2x00_rt(rt2x00dev, RT3070)) {
3919 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
3920 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
3921 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
3922 else
3923 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
3924 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
3925 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
3926 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
3927 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
3928 }
3929
3930 if (rt2x00_rt(rt2x00dev, RT5390) ||
3931 rt2x00_rt(rt2x00dev, RT5392)) {
3932 rt2800_rfcsr_read(rt2x00dev, 38, &rfcsr);
3933 rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0);
3934 rt2800_rfcsr_write(rt2x00dev, 38, rfcsr);
3935
3936 rt2800_rfcsr_read(rt2x00dev, 39, &rfcsr);
3937 rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0);
3938 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
3939
3940 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3941 rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
3942 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3943 }
3944
3945 return 0;
3946}
3947
3948int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
3949{
3950 u32 reg;
3951 u16 word;
3952
3953 /*
3954 * Initialize all registers.
3955 */
3956 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
3957 rt2800_init_registers(rt2x00dev) ||
3958 rt2800_init_bbp(rt2x00dev) ||
3959 rt2800_init_rfcsr(rt2x00dev)))
3960 return -EIO;
3961
3962 /*
3963 * Send signal to firmware during boot time.
3964 */
3965 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
3966
3967 if (rt2x00_is_usb(rt2x00dev) &&
3968 (rt2x00_rt(rt2x00dev, RT3070) ||
3969 rt2x00_rt(rt2x00dev, RT3071) ||
3970 rt2x00_rt(rt2x00dev, RT3572))) {
3971 udelay(200);
3972 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
3973 udelay(10);
3974 }
3975
3976 /*
3977 * Enable RX.
3978 */
3979 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®);
3980 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1);
3981 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0);
3982 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
3983
3984 udelay(50);
3985
3986 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®);
3987 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
3988 rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
3989 rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
3990 rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
3991 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
3992
3993 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®);
3994 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1);
3995 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1);
3996 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
3997
3998 /*
3999 * Initialize LED control
4000 */
4001 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF, &word);
4002 rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
4003 word & 0xff, (word >> 8) & 0xff);
4004
4005 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF, &word);
4006 rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
4007 word & 0xff, (word >> 8) & 0xff);
4008
4009 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY, &word);
4010 rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
4011 word & 0xff, (word >> 8) & 0xff);
4012
4013 return 0;
4014}
4015EXPORT_SYMBOL_GPL(rt2800_enable_radio);
4016
4017void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
4018{
4019 u32 reg;
4020
4021 rt2800_disable_wpdma(rt2x00dev);
4022
4023 /* Wait for DMA, ignore error */
4024 rt2800_wait_wpdma_ready(rt2x00dev);
4025
4026 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®);
4027 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 0);
4028 rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0);
4029 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
4030}
4031EXPORT_SYMBOL_GPL(rt2800_disable_radio);
4032
4033int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
4034{
4035 u32 reg;
4036
4037 rt2800_register_read(rt2x00dev, EFUSE_CTRL, ®);
4038
4039 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
4040}
4041EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
4042
4043static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
4044{
4045 u32 reg;
4046
4047 mutex_lock(&rt2x00dev->csr_mutex);
4048
4049 rt2800_register_read_lock(rt2x00dev, EFUSE_CTRL, ®);
4050 rt2x00_set_field32(®, EFUSE_CTRL_ADDRESS_IN, i);
4051 rt2x00_set_field32(®, EFUSE_CTRL_MODE, 0);
4052 rt2x00_set_field32(®, EFUSE_CTRL_KICK, 1);
4053 rt2800_register_write_lock(rt2x00dev, EFUSE_CTRL, reg);
4054
4055 /* Wait until the EEPROM has been loaded */
4056 rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, ®);
4057
4058 /* Apparently the data is read from end to start */
4059 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, ®);
4060 /* The returned value is in CPU order, but eeprom is le */
4061 *(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
4062 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, ®);
4063 *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
4064 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, ®);
4065 *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
4066 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0, ®);
4067 *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
4068
4069 mutex_unlock(&rt2x00dev->csr_mutex);
4070}
4071
4072void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
4073{
4074 unsigned int i;
4075
4076 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
4077 rt2800_efuse_read(rt2x00dev, i);
4078}
4079EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
4080
4081int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
4082{
4083 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
4084 u16 word;
4085 u8 *mac;
4086 u8 default_lna_gain;
4087
4088 /*
4089 * Start validation of the data that has been read.
4090 */
4091 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
4092 if (!is_valid_ether_addr(mac)) {
4093 random_ether_addr(mac);
4094 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
4095 }
4096
4097 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word);
4098 if (word == 0xffff) {
4099 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
4100 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
4101 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
4102 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
4103 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
4104 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
4105 rt2x00_rt(rt2x00dev, RT2872)) {
4106 /*
4107 * There is a max of 2 RX streams for RT28x0 series
4108 */
4109 if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
4110 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
4111 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
4112 }
4113
4114 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &word);
4115 if (word == 0xffff) {
4116 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
4117 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
4118 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
4119 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
4120 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
4121 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
4122 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
4123 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
4124 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
4125 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
4126 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
4127 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
4128 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
4129 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
4130 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
4131 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
4132 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
4133 }
4134
4135 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
4136 if ((word & 0x00ff) == 0x00ff) {
4137 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
4138 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
4139 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
4140 }
4141 if ((word & 0xff00) == 0xff00) {
4142 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
4143 LED_MODE_TXRX_ACTIVITY);
4144 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
4145 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
4146 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
4147 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
4148 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
4149 EEPROM(rt2x00dev, "Led Mode: 0x%04x\n", word);
4150 }
4151
4152 /*
4153 * During the LNA validation we are going to use
4154 * lna0 as correct value. Note that EEPROM_LNA
4155 * is never validated.
4156 */
4157 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
4158 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
4159
4160 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
4161 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
4162 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
4163 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
4164 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
4165 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
4166
4167 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &word);
4168 if ((word & 0x00ff) != 0x00ff) {
4169 drv_data->txmixer_gain_24g =
4170 rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
4171 } else {
4172 drv_data->txmixer_gain_24g = 0;
4173 }
4174
4175 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
4176 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
4177 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
4178 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
4179 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
4180 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
4181 default_lna_gain);
4182 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
4183
4184 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A, &word);
4185 if ((word & 0x00ff) != 0x00ff) {
4186 drv_data->txmixer_gain_5g =
4187 rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
4188 } else {
4189 drv_data->txmixer_gain_5g = 0;
4190 }
4191
4192 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
4193 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
4194 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
4195 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
4196 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
4197 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
4198
4199 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
4200 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
4201 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
4202 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
4203 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
4204 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
4205 default_lna_gain);
4206 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
4207
4208 return 0;
4209}
4210EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
4211
4212int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
4213{
4214 u32 reg;
4215 u16 value;
4216 u16 eeprom;
4217
4218 /*
4219 * Read EEPROM word for configuration.
4220 */
4221 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
4222
4223 /*
4224 * Identify RF chipset by EEPROM value
4225 * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
4226 * RT53xx: defined in "EEPROM_CHIP_ID" field
4227 */
4228 rt2800_register_read(rt2x00dev, MAC_CSR0, ®);
4229 if (rt2x00_get_field32(reg, MAC_CSR0_CHIPSET) == RT5390 ||
4230 rt2x00_get_field32(reg, MAC_CSR0_CHIPSET) == RT5392)
4231 rt2x00_eeprom_read(rt2x00dev, EEPROM_CHIP_ID, &value);
4232 else
4233 value = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
4234
4235 rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
4236 value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
4237
4238 switch (rt2x00dev->chip.rt) {
4239 case RT2860:
4240 case RT2872:
4241 case RT2883:
4242 case RT3070:
4243 case RT3071:
4244 case RT3090:
4245 case RT3390:
4246 case RT3572:
4247 case RT5390:
4248 case RT5392:
4249 break;
4250 default:
4251 ERROR(rt2x00dev, "Invalid RT chipset 0x%04x detected.\n", rt2x00dev->chip.rt);
4252 return -ENODEV;
4253 }
4254
4255 switch (rt2x00dev->chip.rf) {
4256 case RF2820:
4257 case RF2850:
4258 case RF2720:
4259 case RF2750:
4260 case RF3020:
4261 case RF2020:
4262 case RF3021:
4263 case RF3022:
4264 case RF3052:
4265 case RF3320:
4266 case RF5370:
4267 case RF5372:
4268 case RF5390:
4269 break;
4270 default:
4271 ERROR(rt2x00dev, "Invalid RF chipset 0x%04x detected.\n",
4272 rt2x00dev->chip.rf);
4273 return -ENODEV;
4274 }
4275
4276 /*
4277 * Identify default antenna configuration.
4278 */
4279 rt2x00dev->default_ant.tx_chain_num =
4280 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
4281 rt2x00dev->default_ant.rx_chain_num =
4282 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
4283
4284 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
4285
4286 if (rt2x00_rt(rt2x00dev, RT3070) ||
4287 rt2x00_rt(rt2x00dev, RT3090) ||
4288 rt2x00_rt(rt2x00dev, RT3390)) {
4289 value = rt2x00_get_field16(eeprom,
4290 EEPROM_NIC_CONF1_ANT_DIVERSITY);
4291 switch (value) {
4292 case 0:
4293 case 1:
4294 case 2:
4295 rt2x00dev->default_ant.tx = ANTENNA_A;
4296 rt2x00dev->default_ant.rx = ANTENNA_A;
4297 break;
4298 case 3:
4299 rt2x00dev->default_ant.tx = ANTENNA_A;
4300 rt2x00dev->default_ant.rx = ANTENNA_B;
4301 break;
4302 }
4303 } else {
4304 rt2x00dev->default_ant.tx = ANTENNA_A;
4305 rt2x00dev->default_ant.rx = ANTENNA_A;
4306 }
4307
4308 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
4309 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; /* Unused */
4310 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; /* Unused */
4311 }
4312
4313 /*
4314 * Determine external LNA informations.
4315 */
4316 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
4317 __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
4318 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
4319 __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
4320
4321 /*
4322 * Detect if this device has an hardware controlled radio.
4323 */
4324 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
4325 __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
4326
4327 /*
4328 * Detect if this device has Bluetooth co-existence.
4329 */
4330 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
4331 __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
4332
4333 /*
4334 * Read frequency offset and RF programming sequence.
4335 */
4336 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
4337 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
4338
4339 /*
4340 * Store led settings, for correct led behaviour.
4341 */
4342#ifdef CONFIG_RT2X00_LIB_LEDS
4343 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
4344 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
4345 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
4346
4347 rt2x00dev->led_mcu_reg = eeprom;
4348#endif /* CONFIG_RT2X00_LIB_LEDS */
4349
4350 /*
4351 * Check if support EIRP tx power limit feature.
4352 */
4353 rt2x00_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom);
4354
4355 if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
4356 EIRP_MAX_TX_POWER_LIMIT)
4357 __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
4358
4359 return 0;
4360}
4361EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
4362
4363/*
4364 * RF value list for rt28xx
4365 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
4366 */
4367static const struct rf_channel rf_vals[] = {
4368 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
4369 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
4370 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
4371 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
4372 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
4373 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
4374 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
4375 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
4376 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
4377 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
4378 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
4379 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
4380 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
4381 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
4382
4383 /* 802.11 UNI / HyperLan 2 */
4384 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
4385 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
4386 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
4387 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
4388 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
4389 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
4390 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
4391 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
4392 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
4393 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
4394 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
4395 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
4396
4397 /* 802.11 HyperLan 2 */
4398 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
4399 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
4400 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
4401 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
4402 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
4403 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
4404 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
4405 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
4406 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
4407 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
4408 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
4409 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
4410 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
4411 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
4412 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
4413 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
4414
4415 /* 802.11 UNII */
4416 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
4417 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
4418 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
4419 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
4420 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
4421 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
4422 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
4423 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
4424 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
4425 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
4426 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
4427
4428 /* 802.11 Japan */
4429 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
4430 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
4431 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
4432 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
4433 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
4434 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
4435 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
4436};
4437
4438/*
4439 * RF value list for rt3xxx
4440 * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052)
4441 */
4442static const struct rf_channel rf_vals_3x[] = {
4443 {1, 241, 2, 2 },
4444 {2, 241, 2, 7 },
4445 {3, 242, 2, 2 },
4446 {4, 242, 2, 7 },
4447 {5, 243, 2, 2 },
4448 {6, 243, 2, 7 },
4449 {7, 244, 2, 2 },
4450 {8, 244, 2, 7 },
4451 {9, 245, 2, 2 },
4452 {10, 245, 2, 7 },
4453 {11, 246, 2, 2 },
4454 {12, 246, 2, 7 },
4455 {13, 247, 2, 2 },
4456 {14, 248, 2, 4 },
4457
4458 /* 802.11 UNI / HyperLan 2 */
4459 {36, 0x56, 0, 4},
4460 {38, 0x56, 0, 6},
4461 {40, 0x56, 0, 8},
4462 {44, 0x57, 0, 0},
4463 {46, 0x57, 0, 2},
4464 {48, 0x57, 0, 4},
4465 {52, 0x57, 0, 8},
4466 {54, 0x57, 0, 10},
4467 {56, 0x58, 0, 0},
4468 {60, 0x58, 0, 4},
4469 {62, 0x58, 0, 6},
4470 {64, 0x58, 0, 8},
4471
4472 /* 802.11 HyperLan 2 */
4473 {100, 0x5b, 0, 8},
4474 {102, 0x5b, 0, 10},
4475 {104, 0x5c, 0, 0},
4476 {108, 0x5c, 0, 4},
4477 {110, 0x5c, 0, 6},
4478 {112, 0x5c, 0, 8},
4479 {116, 0x5d, 0, 0},
4480 {118, 0x5d, 0, 2},
4481 {120, 0x5d, 0, 4},
4482 {124, 0x5d, 0, 8},
4483 {126, 0x5d, 0, 10},
4484 {128, 0x5e, 0, 0},
4485 {132, 0x5e, 0, 4},
4486 {134, 0x5e, 0, 6},
4487 {136, 0x5e, 0, 8},
4488 {140, 0x5f, 0, 0},
4489
4490 /* 802.11 UNII */
4491 {149, 0x5f, 0, 9},
4492 {151, 0x5f, 0, 11},
4493 {153, 0x60, 0, 1},
4494 {157, 0x60, 0, 5},
4495 {159, 0x60, 0, 7},
4496 {161, 0x60, 0, 9},
4497 {165, 0x61, 0, 1},
4498 {167, 0x61, 0, 3},
4499 {169, 0x61, 0, 5},
4500 {171, 0x61, 0, 7},
4501 {173, 0x61, 0, 9},
4502};
4503
4504int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
4505{
4506 struct hw_mode_spec *spec = &rt2x00dev->spec;
4507 struct channel_info *info;
4508 char *default_power1;
4509 char *default_power2;
4510 unsigned int i;
4511 u16 eeprom;
4512
4513 /*
4514 * Disable powersaving as default on PCI devices.
4515 */
4516 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
4517 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
4518
4519 /*
4520 * Initialize all hw fields.
4521 */
4522 rt2x00dev->hw->flags =
4523 IEEE80211_HW_SIGNAL_DBM |
4524 IEEE80211_HW_SUPPORTS_PS |
4525 IEEE80211_HW_PS_NULLFUNC_STACK |
4526 IEEE80211_HW_AMPDU_AGGREGATION |
4527 IEEE80211_HW_REPORTS_TX_ACK_STATUS;
4528
4529 /*
4530 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
4531 * unless we are capable of sending the buffered frames out after the
4532 * DTIM transmission using rt2x00lib_beacondone. This will send out
4533 * multicast and broadcast traffic immediately instead of buffering it
4534 * infinitly and thus dropping it after some time.
4535 */
4536 if (!rt2x00_is_usb(rt2x00dev))
4537 rt2x00dev->hw->flags |=
4538 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
4539
4540 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
4541 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
4542 rt2x00_eeprom_addr(rt2x00dev,
4543 EEPROM_MAC_ADDR_0));
4544
4545 /*
4546 * As rt2800 has a global fallback table we cannot specify
4547 * more then one tx rate per frame but since the hw will
4548 * try several rates (based on the fallback table) we should
4549 * initialize max_report_rates to the maximum number of rates
4550 * we are going to try. Otherwise mac80211 will truncate our
4551 * reported tx rates and the rc algortihm will end up with
4552 * incorrect data.
4553 */
4554 rt2x00dev->hw->max_rates = 1;
4555 rt2x00dev->hw->max_report_rates = 7;
4556 rt2x00dev->hw->max_rate_tries = 1;
4557
4558 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
4559
4560 /*
4561 * Initialize hw_mode information.
4562 */
4563 spec->supported_bands = SUPPORT_BAND_2GHZ;
4564 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
4565
4566 if (rt2x00_rf(rt2x00dev, RF2820) ||
4567 rt2x00_rf(rt2x00dev, RF2720)) {
4568 spec->num_channels = 14;
4569 spec->channels = rf_vals;
4570 } else if (rt2x00_rf(rt2x00dev, RF2850) ||
4571 rt2x00_rf(rt2x00dev, RF2750)) {
4572 spec->supported_bands |= SUPPORT_BAND_5GHZ;
4573 spec->num_channels = ARRAY_SIZE(rf_vals);
4574 spec->channels = rf_vals;
4575 } else if (rt2x00_rf(rt2x00dev, RF3020) ||
4576 rt2x00_rf(rt2x00dev, RF2020) ||
4577 rt2x00_rf(rt2x00dev, RF3021) ||
4578 rt2x00_rf(rt2x00dev, RF3022) ||
4579 rt2x00_rf(rt2x00dev, RF3320) ||
4580 rt2x00_rf(rt2x00dev, RF5370) ||
4581 rt2x00_rf(rt2x00dev, RF5372) ||
4582 rt2x00_rf(rt2x00dev, RF5390)) {
4583 spec->num_channels = 14;
4584 spec->channels = rf_vals_3x;
4585 } else if (rt2x00_rf(rt2x00dev, RF3052)) {
4586 spec->supported_bands |= SUPPORT_BAND_5GHZ;
4587 spec->num_channels = ARRAY_SIZE(rf_vals_3x);
4588 spec->channels = rf_vals_3x;
4589 }
4590
4591 /*
4592 * Initialize HT information.
4593 */
4594 if (!rt2x00_rf(rt2x00dev, RF2020))
4595 spec->ht.ht_supported = true;
4596 else
4597 spec->ht.ht_supported = false;
4598
4599 spec->ht.cap =
4600 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
4601 IEEE80211_HT_CAP_GRN_FLD |
4602 IEEE80211_HT_CAP_SGI_20 |
4603 IEEE80211_HT_CAP_SGI_40;
4604
4605 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) >= 2)
4606 spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
4607
4608 spec->ht.cap |=
4609 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) <<
4610 IEEE80211_HT_CAP_RX_STBC_SHIFT;
4611
4612 spec->ht.ampdu_factor = 3;
4613 spec->ht.ampdu_density = 4;
4614 spec->ht.mcs.tx_params =
4615 IEEE80211_HT_MCS_TX_DEFINED |
4616 IEEE80211_HT_MCS_TX_RX_DIFF |
4617 ((rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) - 1) <<
4618 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
4619
4620 switch (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH)) {
4621 case 3:
4622 spec->ht.mcs.rx_mask[2] = 0xff;
4623 case 2:
4624 spec->ht.mcs.rx_mask[1] = 0xff;
4625 case 1:
4626 spec->ht.mcs.rx_mask[0] = 0xff;
4627 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
4628 break;
4629 }
4630
4631 /*
4632 * Create channel information array
4633 */
4634 info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
4635 if (!info)
4636 return -ENOMEM;
4637
4638 spec->channels_info = info;
4639
4640 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
4641 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
4642
4643 for (i = 0; i < 14; i++) {
4644 info[i].default_power1 = default_power1[i];
4645 info[i].default_power2 = default_power2[i];
4646 }
4647
4648 if (spec->num_channels > 14) {
4649 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
4650 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
4651
4652 for (i = 14; i < spec->num_channels; i++) {
4653 info[i].default_power1 = default_power1[i];
4654 info[i].default_power2 = default_power2[i];
4655 }
4656 }
4657
4658 switch (rt2x00dev->chip.rf) {
4659 case RF2020:
4660 case RF3020:
4661 case RF3021:
4662 case RF3022:
4663 case RF3320:
4664 case RF3052:
4665 case RF5370:
4666 case RF5372:
4667 case RF5390:
4668 __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags);
4669 break;
4670 }
4671
4672 return 0;
4673}
4674EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode);
4675
4676/*
4677 * IEEE80211 stack callback functions.
4678 */
4679void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32,
4680 u16 *iv16)
4681{
4682 struct rt2x00_dev *rt2x00dev = hw->priv;
4683 struct mac_iveiv_entry iveiv_entry;
4684 u32 offset;
4685
4686 offset = MAC_IVEIV_ENTRY(hw_key_idx);
4687 rt2800_register_multiread(rt2x00dev, offset,
4688 &iveiv_entry, sizeof(iveiv_entry));
4689
4690 memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16));
4691 memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32));
4692}
4693EXPORT_SYMBOL_GPL(rt2800_get_tkip_seq);
4694
4695int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
4696{
4697 struct rt2x00_dev *rt2x00dev = hw->priv;
4698 u32 reg;
4699 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
4700
4701 rt2800_register_read(rt2x00dev, TX_RTS_CFG, ®);
4702 rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, value);
4703 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
4704
4705 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, ®);
4706 rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, enabled);
4707 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
4708
4709 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, ®);
4710 rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, enabled);
4711 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
4712
4713 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, ®);
4714 rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, enabled);
4715 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
4716
4717 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, ®);
4718 rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, enabled);
4719 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
4720
4721 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, ®);
4722 rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, enabled);
4723 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
4724
4725 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, ®);
4726 rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, enabled);
4727 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
4728
4729 return 0;
4730}
4731EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
4732
4733int rt2800_conf_tx(struct ieee80211_hw *hw,
4734 struct ieee80211_vif *vif, u16 queue_idx,
4735 const struct ieee80211_tx_queue_params *params)
4736{
4737 struct rt2x00_dev *rt2x00dev = hw->priv;
4738 struct data_queue *queue;
4739 struct rt2x00_field32 field;
4740 int retval;
4741 u32 reg;
4742 u32 offset;
4743
4744 /*
4745 * First pass the configuration through rt2x00lib, that will
4746 * update the queue settings and validate the input. After that
4747 * we are free to update the registers based on the value
4748 * in the queue parameter.
4749 */
4750 retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
4751 if (retval)
4752 return retval;
4753
4754 /*
4755 * We only need to perform additional register initialization
4756 * for WMM queues/
4757 */
4758 if (queue_idx >= 4)
4759 return 0;
4760
4761 queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
4762
4763 /* Update WMM TXOP register */
4764 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
4765 field.bit_offset = (queue_idx & 1) * 16;
4766 field.bit_mask = 0xffff << field.bit_offset;
4767
4768 rt2800_register_read(rt2x00dev, offset, ®);
4769 rt2x00_set_field32(®, field, queue->txop);
4770 rt2800_register_write(rt2x00dev, offset, reg);
4771
4772 /* Update WMM registers */
4773 field.bit_offset = queue_idx * 4;
4774 field.bit_mask = 0xf << field.bit_offset;
4775
4776 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, ®);
4777 rt2x00_set_field32(®, field, queue->aifs);
4778 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
4779
4780 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, ®);
4781 rt2x00_set_field32(®, field, queue->cw_min);
4782 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
4783
4784 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, ®);
4785 rt2x00_set_field32(®, field, queue->cw_max);
4786 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
4787
4788 /* Update EDCA registers */
4789 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
4790
4791 rt2800_register_read(rt2x00dev, offset, ®);
4792 rt2x00_set_field32(®, EDCA_AC0_CFG_TX_OP, queue->txop);
4793 rt2x00_set_field32(®, EDCA_AC0_CFG_AIFSN, queue->aifs);
4794 rt2x00_set_field32(®, EDCA_AC0_CFG_CWMIN, queue->cw_min);
4795 rt2x00_set_field32(®, EDCA_AC0_CFG_CWMAX, queue->cw_max);
4796 rt2800_register_write(rt2x00dev, offset, reg);
4797
4798 return 0;
4799}
4800EXPORT_SYMBOL_GPL(rt2800_conf_tx);
4801
4802u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
4803{
4804 struct rt2x00_dev *rt2x00dev = hw->priv;
4805 u64 tsf;
4806 u32 reg;
4807
4808 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, ®);
4809 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
4810 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, ®);
4811 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
4812
4813 return tsf;
4814}
4815EXPORT_SYMBOL_GPL(rt2800_get_tsf);
4816
4817int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
4818 enum ieee80211_ampdu_mlme_action action,
4819 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
4820 u8 buf_size)
4821{
4822 struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
4823 int ret = 0;
4824
4825 /*
4826 * Don't allow aggregation for stations the hardware isn't aware
4827 * of because tx status reports for frames to an unknown station
4828 * always contain wcid=255 and thus we can't distinguish between
4829 * multiple stations which leads to unwanted situations when the
4830 * hw reorders frames due to aggregation.
4831 */
4832 if (sta_priv->wcid < 0)
4833 return 1;
4834
4835 switch (action) {
4836 case IEEE80211_AMPDU_RX_START:
4837 case IEEE80211_AMPDU_RX_STOP:
4838 /*
4839 * The hw itself takes care of setting up BlockAck mechanisms.
4840 * So, we only have to allow mac80211 to nagotiate a BlockAck
4841 * agreement. Once that is done, the hw will BlockAck incoming
4842 * AMPDUs without further setup.
4843 */
4844 break;
4845 case IEEE80211_AMPDU_TX_START:
4846 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
4847 break;
4848 case IEEE80211_AMPDU_TX_STOP:
4849 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
4850 break;
4851 case IEEE80211_AMPDU_TX_OPERATIONAL:
4852 break;
4853 default:
4854 WARNING((struct rt2x00_dev *)hw->priv, "Unknown AMPDU action\n");
4855 }
4856
4857 return ret;
4858}
4859EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
4860
4861int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
4862 struct survey_info *survey)
4863{
4864 struct rt2x00_dev *rt2x00dev = hw->priv;
4865 struct ieee80211_conf *conf = &hw->conf;
4866 u32 idle, busy, busy_ext;
4867
4868 if (idx != 0)
4869 return -ENOENT;
4870
4871 survey->channel = conf->channel;
4872
4873 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle);
4874 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy);
4875 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext);
4876
4877 if (idle || busy) {
4878 survey->filled = SURVEY_INFO_CHANNEL_TIME |
4879 SURVEY_INFO_CHANNEL_TIME_BUSY |
4880 SURVEY_INFO_CHANNEL_TIME_EXT_BUSY;
4881
4882 survey->channel_time = (idle + busy) / 1000;
4883 survey->channel_time_busy = busy / 1000;
4884 survey->channel_time_ext_busy = busy_ext / 1000;
4885 }
4886
4887 if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
4888 survey->filled |= SURVEY_INFO_IN_USE;
4889
4890 return 0;
4891
4892}
4893EXPORT_SYMBOL_GPL(rt2800_get_survey);
4894
4895MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
4896MODULE_VERSION(DRV_VERSION);
4897MODULE_DESCRIPTION("Ralink RT2800 library");
4898MODULE_LICENSE("GPL");