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Add linux-next specific files for 20110831
[linux-2.6/next.git] / drivers / net / wireless / rt2x00 / rt2800lib.c
blobef67f6786a84785bc00c629789d25011ca6148ce
1 /*
2 Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
3 Copyright (C) 2010 Ivo van Doorn <IvDoorn@gmail.com>
4 Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
5 Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com>
6
7 Based on the original rt2800pci.c and rt2800usb.c.
8 Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
9 Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
10 Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
11 Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
12 Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
13 Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
14 <http://rt2x00.serialmonkey.com>
15
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 2 of the License, or
19 (at your option) any later version.
20
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
25
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the
28 Free Software Foundation, Inc.,
29 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 */
31
32 /*
33 Module: rt2800lib
34 Abstract: rt2800 generic device routines.
35 */
36
37 #include <linux/crc-ccitt.h>
38 #include <linux/kernel.h>
39 #include <linux/module.h>
40 #include <linux/slab.h>
41
42 #include "rt2x00.h"
43 #include "rt2800lib.h"
44 #include "rt2800.h"
45
46 /*
47 * Register access.
48 * All access to the CSR registers will go through the methods
49 * rt2800_register_read and rt2800_register_write.
50 * BBP and RF register require indirect register access,
51 * and use the CSR registers BBPCSR and RFCSR to achieve this.
52 * These indirect registers work with busy bits,
53 * and we will try maximal REGISTER_BUSY_COUNT times to access
54 * the register while taking a REGISTER_BUSY_DELAY us delay
55 * between each attampt. When the busy bit is still set at that time,
56 * the access attempt is considered to have failed,
57 * and we will print an error.
58 * The _lock versions must be used if you already hold the csr_mutex
59 */
60 #define WAIT_FOR_BBP(__dev, __reg) \
61 rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
62 #define WAIT_FOR_RFCSR(__dev, __reg) \
63 rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
64 #define WAIT_FOR_RF(__dev, __reg) \
65 rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
66 #define WAIT_FOR_MCU(__dev, __reg) \
67 rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
68 H2M_MAILBOX_CSR_OWNER, (__reg))
69
70 static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev)
71 {
72 /* check for rt2872 on SoC */
73 if (!rt2x00_is_soc(rt2x00dev) ||
74 !rt2x00_rt(rt2x00dev, RT2872))
75 return false;
76
77 /* we know for sure that these rf chipsets are used on rt305x boards */
78 if (rt2x00_rf(rt2x00dev, RF3020) ||
79 rt2x00_rf(rt2x00dev, RF3021) ||
80 rt2x00_rf(rt2x00dev, RF3022))
81 return true;
82
83 NOTICE(rt2x00dev, "Unknown RF chipset on rt305x\n");
84 return false;
85 }
86
87 static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
88 const unsigned int word, const u8 value)
89 {
90 u32 reg;
91
92 mutex_lock(&rt2x00dev->csr_mutex);
93
94 /*
95 * Wait until the BBP becomes available, afterwards we
96 * can safely write the new data into the register.
97 */
98 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
99 reg = 0;
100 rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
101 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
102 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
103 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
104 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
105
106 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
107 }
108
109 mutex_unlock(&rt2x00dev->csr_mutex);
110 }
111
112 static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
113 const unsigned int word, u8 *value)
114 {
115 u32 reg;
116
117 mutex_lock(&rt2x00dev->csr_mutex);
118
119 /*
120 * Wait until the BBP becomes available, afterwards we
121 * can safely write the read request into the register.
122 * After the data has been written, we wait until hardware
123 * returns the correct value, if at any time the register
124 * doesn't become available in time, reg will be 0xffffffff
125 * which means we return 0xff to the caller.
126 */
127 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
128 reg = 0;
129 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
130 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
131 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
132 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
133
134 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
135
136 WAIT_FOR_BBP(rt2x00dev, &reg);
137 }
138
139 *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
140
141 mutex_unlock(&rt2x00dev->csr_mutex);
142 }
143
144 static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
145 const unsigned int word, const u8 value)
146 {
147 u32 reg;
148
149 mutex_lock(&rt2x00dev->csr_mutex);
150
151 /*
152 * Wait until the RFCSR becomes available, afterwards we
153 * can safely write the new data into the register.
154 */
155 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
156 reg = 0;
157 rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
158 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
159 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
160 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
161
162 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
163 }
164
165 mutex_unlock(&rt2x00dev->csr_mutex);
166 }
167
168 static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
169 const unsigned int word, u8 *value)
170 {
171 u32 reg;
172
173 mutex_lock(&rt2x00dev->csr_mutex);
174
175 /*
176 * Wait until the RFCSR becomes available, afterwards we
177 * can safely write the read request into the register.
178 * After the data has been written, we wait until hardware
179 * returns the correct value, if at any time the register
180 * doesn't become available in time, reg will be 0xffffffff
181 * which means we return 0xff to the caller.
182 */
183 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
184 reg = 0;
185 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
186 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
187 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
188
189 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
190
191 WAIT_FOR_RFCSR(rt2x00dev, &reg);
192 }
193
194 *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
195
196 mutex_unlock(&rt2x00dev->csr_mutex);
197 }
198
199 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
200 const unsigned int word, const u32 value)
201 {
202 u32 reg;
203
204 mutex_lock(&rt2x00dev->csr_mutex);
205
206 /*
207 * Wait until the RF becomes available, afterwards we
208 * can safely write the new data into the register.
209 */
210 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
211 reg = 0;
212 rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
213 rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
214 rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
215 rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
216
217 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
218 rt2x00_rf_write(rt2x00dev, word, value);
219 }
220
221 mutex_unlock(&rt2x00dev->csr_mutex);
222 }
223
224 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
225 const u8 command, const u8 token,
226 const u8 arg0, const u8 arg1)
227 {
228 u32 reg;
229
230 /*
231 * SOC devices don't support MCU requests.
232 */
233 if (rt2x00_is_soc(rt2x00dev))
234 return;
235
236 mutex_lock(&rt2x00dev->csr_mutex);
237
238 /*
239 * Wait until the MCU becomes available, afterwards we
240 * can safely write the new data into the register.
241 */
242 if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
243 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
244 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
245 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
246 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
247 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
248
249 reg = 0;
250 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
251 rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
252 }
253
254 mutex_unlock(&rt2x00dev->csr_mutex);
255 }
256 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
257
258 int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
259 {
260 unsigned int i = 0;
261 u32 reg;
262
263 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
264 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
265 if (reg && reg != ~0)
266 return 0;
267 msleep(1);
268 }
269
270 ERROR(rt2x00dev, "Unstable hardware.\n");
271 return -EBUSY;
272 }
273 EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
274
275 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
276 {
277 unsigned int i;
278 u32 reg;
279
280 /*
281 * Some devices are really slow to respond here. Wait a whole second
282 * before timing out.
283 */
284 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
285 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
286 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
287 !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
288 return 0;
289
290 msleep(10);
291 }
292
293 ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
294 return -EACCES;
295 }
296 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
297
298 static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
299 {
300 u16 fw_crc;
301 u16 crc;
302
303 /*
304 * The last 2 bytes in the firmware array are the crc checksum itself,
305 * this means that we should never pass those 2 bytes to the crc
306 * algorithm.
307 */
308 fw_crc = (data[len - 2] << 8 | data[len - 1]);
309
310 /*
311 * Use the crc ccitt algorithm.
312 * This will return the same value as the legacy driver which
313 * used bit ordering reversion on the both the firmware bytes
314 * before input input as well as on the final output.
315 * Obviously using crc ccitt directly is much more efficient.
316 */
317 crc = crc_ccitt(~0, data, len - 2);
318
319 /*
320 * There is a small difference between the crc-itu-t + bitrev and
321 * the crc-ccitt crc calculation. In the latter method the 2 bytes
322 * will be swapped, use swab16 to convert the crc to the correct
323 * value.
324 */
325 crc = swab16(crc);
326
327 return fw_crc == crc;
328 }
329
330 int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
331 const u8 *data, const size_t len)
332 {
333 size_t offset = 0;
334 size_t fw_len;
335 bool multiple;
336
337 /*
338 * PCI(e) & SOC devices require firmware with a length
339 * of 8kb. USB devices require firmware files with a length
340 * of 4kb. Certain USB chipsets however require different firmware,
341 * which Ralink only provides attached to the original firmware
342 * file. Thus for USB devices, firmware files have a length
343 * which is a multiple of 4kb.
344 */
345 if (rt2x00_is_usb(rt2x00dev)) {
346 fw_len = 4096;
347 multiple = true;
348 } else {
349 fw_len = 8192;
350 multiple = true;
351 }
352
353 /*
354 * Validate the firmware length
355 */
356 if (len != fw_len && (!multiple || (len % fw_len) != 0))
357 return FW_BAD_LENGTH;
358
359 /*
360 * Check if the chipset requires one of the upper parts
361 * of the firmware.
362 */
363 if (rt2x00_is_usb(rt2x00dev) &&
364 !rt2x00_rt(rt2x00dev, RT2860) &&
365 !rt2x00_rt(rt2x00dev, RT2872) &&
366 !rt2x00_rt(rt2x00dev, RT3070) &&
367 ((len / fw_len) == 1))
368 return FW_BAD_VERSION;
369
370 /*
371 * 8kb firmware files must be checked as if it were
372 * 2 separate firmware files.
373 */
374 while (offset < len) {
375 if (!rt2800_check_firmware_crc(data + offset, fw_len))
376 return FW_BAD_CRC;
377
378 offset += fw_len;
379 }
380
381 return FW_OK;
382 }
383 EXPORT_SYMBOL_GPL(rt2800_check_firmware);
384
385 int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
386 const u8 *data, const size_t len)
387 {
388 unsigned int i;
389 u32 reg;
390
391 /*
392 * If driver doesn't wake up firmware here,
393 * rt2800_load_firmware will hang forever when interface is up again.
394 */
395 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
396
397 /*
398 * Wait for stable hardware.
399 */
400 if (rt2800_wait_csr_ready(rt2x00dev))
401 return -EBUSY;
402
403 if (rt2x00_is_pci(rt2x00dev)) {
404 if (rt2x00_rt(rt2x00dev, RT3572) ||
405 rt2x00_rt(rt2x00dev, RT5390)) {
406 rt2800_register_read(rt2x00dev, AUX_CTRL, &reg);
407 rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
408 rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
409 rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
410 }
411 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
412 }
413
414 /*
415 * Disable DMA, will be reenabled later when enabling
416 * the radio.
417 */
418 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
419 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
420 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
421 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
422 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
423 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
424 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
425
426 /*
427 * Write firmware to the device.
428 */
429 rt2800_drv_write_firmware(rt2x00dev, data, len);
430
431 /*
432 * Wait for device to stabilize.
433 */
434 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
435 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
436 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
437 break;
438 msleep(1);
439 }
440
441 if (i == REGISTER_BUSY_COUNT) {
442 ERROR(rt2x00dev, "PBF system register not ready.\n");
443 return -EBUSY;
444 }
445
446 /*
447 * Initialize firmware.
448 */
449 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
450 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
451 msleep(1);
452
453 return 0;
454 }
455 EXPORT_SYMBOL_GPL(rt2800_load_firmware);
456
457 void rt2800_write_tx_data(struct queue_entry *entry,
458 struct txentry_desc *txdesc)
459 {
460 __le32 *txwi = rt2800_drv_get_txwi(entry);
461 u32 word;
462
463 /*
464 * Initialize TX Info descriptor
465 */
466 rt2x00_desc_read(txwi, 0, &word);
467 rt2x00_set_field32(&word, TXWI_W0_FRAG,
468 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
469 rt2x00_set_field32(&word, TXWI_W0_MIMO_PS,
470 test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags));
471 rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
472 rt2x00_set_field32(&word, TXWI_W0_TS,
473 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
474 rt2x00_set_field32(&word, TXWI_W0_AMPDU,
475 test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
476 rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY,
477 txdesc->u.ht.mpdu_density);
478 rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop);
479 rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs);
480 rt2x00_set_field32(&word, TXWI_W0_BW,
481 test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
482 rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
483 test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
484 rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc);
485 rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
486 rt2x00_desc_write(txwi, 0, word);
487
488 rt2x00_desc_read(txwi, 1, &word);
489 rt2x00_set_field32(&word, TXWI_W1_ACK,
490 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
491 rt2x00_set_field32(&word, TXWI_W1_NSEQ,
492 test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
493 rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
494 rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
495 test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
496 txdesc->key_idx : 0xff);
497 rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
498 txdesc->length);
499 rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
500 rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
501 rt2x00_desc_write(txwi, 1, word);
502
503 /*
504 * Always write 0 to IV/EIV fields, hardware will insert the IV
505 * from the IVEIV register when TXD_W3_WIV is set to 0.
506 * When TXD_W3_WIV is set to 1 it will use the IV data
507 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
508 * crypto entry in the registers should be used to encrypt the frame.
509 */
510 _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */);
511 _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */);
512 }
513 EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
514
515 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
516 {
517 int rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
518 int rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
519 int rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
520 u16 eeprom;
521 u8 offset0;
522 u8 offset1;
523 u8 offset2;
524
525 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
526 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &eeprom);
527 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
528 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
529 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
530 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2);
531 } else {
532 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &eeprom);
533 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0);
534 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1);
535 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
536 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2);
537 }
538
539 /*
540 * Convert the value from the descriptor into the RSSI value
541 * If the value in the descriptor is 0, it is considered invalid
542 * and the default (extremely low) rssi value is assumed
543 */
544 rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128;
545 rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128;
546 rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128;
547
548 /*
549 * mac80211 only accepts a single RSSI value. Calculating the
550 * average doesn't deliver a fair answer either since -60:-60 would
551 * be considered equally good as -50:-70 while the second is the one
552 * which gives less energy...
553 */
554 rssi0 = max(rssi0, rssi1);
555 return max(rssi0, rssi2);
556 }
557
558 void rt2800_process_rxwi(struct queue_entry *entry,
559 struct rxdone_entry_desc *rxdesc)
560 {
561 __le32 *rxwi = (__le32 *) entry->skb->data;
562 u32 word;
563
564 rt2x00_desc_read(rxwi, 0, &word);
565
566 rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF);
567 rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
568
569 rt2x00_desc_read(rxwi, 1, &word);
570
571 if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI))
572 rxdesc->flags |= RX_FLAG_SHORT_GI;
573
574 if (rt2x00_get_field32(word, RXWI_W1_BW))
575 rxdesc->flags |= RX_FLAG_40MHZ;
576
577 /*
578 * Detect RX rate, always use MCS as signal type.
579 */
580 rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
581 rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS);
582 rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE);
583
584 /*
585 * Mask of 0x8 bit to remove the short preamble flag.
586 */
587 if (rxdesc->rate_mode == RATE_MODE_CCK)
588 rxdesc->signal &= ~0x8;
589
590 rt2x00_desc_read(rxwi, 2, &word);
591
592 /*
593 * Convert descriptor AGC value to RSSI value.
594 */
595 rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word);
596
597 /*
598 * Remove RXWI descriptor from start of buffer.
599 */
600 skb_pull(entry->skb, RXWI_DESC_SIZE);
601 }
602 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
603
604 void rt2800_txdone_entry(struct queue_entry *entry, u32 status)
605 {
606 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
607 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
608 struct txdone_entry_desc txdesc;
609 u32 word;
610 u16 mcs, real_mcs;
611 int aggr, ampdu;
612 __le32 *txwi;
613
614 /*
615 * Obtain the status about this packet.
616 */
617 txdesc.flags = 0;
618 txwi = rt2800_drv_get_txwi(entry);
619 rt2x00_desc_read(txwi, 0, &word);
620
621 mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
622 ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
623
624 real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
625 aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
626
627 /*
628 * If a frame was meant to be sent as a single non-aggregated MPDU
629 * but ended up in an aggregate the used tx rate doesn't correlate
630 * with the one specified in the TXWI as the whole aggregate is sent
631 * with the same rate.
632 *
633 * For example: two frames are sent to rt2x00, the first one sets
634 * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
635 * and requests MCS15. If the hw aggregates both frames into one
636 * AMDPU the tx status for both frames will contain MCS7 although
637 * the frame was sent successfully.
638 *
639 * Hence, replace the requested rate with the real tx rate to not
640 * confuse the rate control algortihm by providing clearly wrong
641 * data.
642 */
643 if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) {
644 skbdesc->tx_rate_idx = real_mcs;
645 mcs = real_mcs;
646 }
647
648 if (aggr == 1 || ampdu == 1)
649 __set_bit(TXDONE_AMPDU, &txdesc.flags);
650
651 /*
652 * Ralink has a retry mechanism using a global fallback
653 * table. We setup this fallback table to try the immediate
654 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
655 * always contains the MCS used for the last transmission, be
656 * it successful or not.
657 */
658 if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
659 /*
660 * Transmission succeeded. The number of retries is
661 * mcs - real_mcs
662 */
663 __set_bit(TXDONE_SUCCESS, &txdesc.flags);
664 txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
665 } else {
666 /*
667 * Transmission failed. The number of retries is
668 * always 7 in this case (for a total number of 8
669 * frames sent).
670 */
671 __set_bit(TXDONE_FAILURE, &txdesc.flags);
672 txdesc.retry = rt2x00dev->long_retry;
673 }
674
675 /*
676 * the frame was retried at least once
677 * -> hw used fallback rates
678 */
679 if (txdesc.retry)
680 __set_bit(TXDONE_FALLBACK, &txdesc.flags);
681
682 rt2x00lib_txdone(entry, &txdesc);
683 }
684 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
685
686 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
687 {
688 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
689 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
690 unsigned int beacon_base;
691 unsigned int padding_len;
692 u32 orig_reg, reg;
693
694 /*
695 * Disable beaconing while we are reloading the beacon data,
696 * otherwise we might be sending out invalid data.
697 */
698 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
699 orig_reg = reg;
700 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
701 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
702
703 /*
704 * Add space for the TXWI in front of the skb.
705 */
706 memset(skb_push(entry->skb, TXWI_DESC_SIZE), 0, TXWI_DESC_SIZE);
707
708 /*
709 * Register descriptor details in skb frame descriptor.
710 */
711 skbdesc->flags |= SKBDESC_DESC_IN_SKB;
712 skbdesc->desc = entry->skb->data;
713 skbdesc->desc_len = TXWI_DESC_SIZE;
714
715 /*
716 * Add the TXWI for the beacon to the skb.
717 */
718 rt2800_write_tx_data(entry, txdesc);
719
720 /*
721 * Dump beacon to userspace through debugfs.
722 */
723 rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
724
725 /*
726 * Write entire beacon with TXWI and padding to register.
727 */
728 padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
729 if (padding_len && skb_pad(entry->skb, padding_len)) {
730 ERROR(rt2x00dev, "Failure padding beacon, aborting\n");
731 /* skb freed by skb_pad() on failure */
732 entry->skb = NULL;
733 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
734 return;
735 }
736
737 beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
738 rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
739 entry->skb->len + padding_len);
740
741 /*
742 * Enable beaconing again.
743 */
744 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
745 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
746
747 /*
748 * Clean up beacon skb.
749 */
750 dev_kfree_skb_any(entry->skb);
751 entry->skb = NULL;
752 }
753 EXPORT_SYMBOL_GPL(rt2800_write_beacon);
754
755 static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
756 unsigned int beacon_base)
757 {
758 int i;
759
760 /*
761 * For the Beacon base registers we only need to clear
762 * the whole TXWI which (when set to 0) will invalidate
763 * the entire beacon.
764 */
765 for (i = 0; i < TXWI_DESC_SIZE; i += sizeof(__le32))
766 rt2800_register_write(rt2x00dev, beacon_base + i, 0);
767 }
768
769 void rt2800_clear_beacon(struct queue_entry *entry)
770 {
771 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
772 u32 reg;
773
774 /*
775 * Disable beaconing while we are reloading the beacon data,
776 * otherwise we might be sending out invalid data.
777 */
778 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
779 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
780 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
781
782 /*
783 * Clear beacon.
784 */
785 rt2800_clear_beacon_register(rt2x00dev,
786 HW_BEACON_OFFSET(entry->entry_idx));
787
788 /*
789 * Enabled beaconing again.
790 */
791 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
792 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
793 }
794 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
795
796 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
797 const struct rt2x00debug rt2800_rt2x00debug = {
798 .owner = THIS_MODULE,
799 .csr = {
800 .read = rt2800_register_read,
801 .write = rt2800_register_write,
802 .flags = RT2X00DEBUGFS_OFFSET,
803 .word_base = CSR_REG_BASE,
804 .word_size = sizeof(u32),
805 .word_count = CSR_REG_SIZE / sizeof(u32),
806 },
807 .eeprom = {
808 .read = rt2x00_eeprom_read,
809 .write = rt2x00_eeprom_write,
810 .word_base = EEPROM_BASE,
811 .word_size = sizeof(u16),
812 .word_count = EEPROM_SIZE / sizeof(u16),
813 },
814 .bbp = {
815 .read = rt2800_bbp_read,
816 .write = rt2800_bbp_write,
817 .word_base = BBP_BASE,
818 .word_size = sizeof(u8),
819 .word_count = BBP_SIZE / sizeof(u8),
820 },
821 .rf = {
822 .read = rt2x00_rf_read,
823 .write = rt2800_rf_write,
824 .word_base = RF_BASE,
825 .word_size = sizeof(u32),
826 .word_count = RF_SIZE / sizeof(u32),
827 },
828 };
829 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
830 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
831
832 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
833 {
834 u32 reg;
835
836 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
837 return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
838 }
839 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
840
841 #ifdef CONFIG_RT2X00_LIB_LEDS
842 static void rt2800_brightness_set(struct led_classdev *led_cdev,
843 enum led_brightness brightness)
844 {
845 struct rt2x00_led *led =
846 container_of(led_cdev, struct rt2x00_led, led_dev);
847 unsigned int enabled = brightness != LED_OFF;
848 unsigned int bg_mode =
849 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
850 unsigned int polarity =
851 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
852 EEPROM_FREQ_LED_POLARITY);
853 unsigned int ledmode =
854 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
855 EEPROM_FREQ_LED_MODE);
856 u32 reg;
857
858 /* Check for SoC (SOC devices don't support MCU requests) */
859 if (rt2x00_is_soc(led->rt2x00dev)) {
860 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
861
862 /* Set LED Polarity */
863 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
864
865 /* Set LED Mode */
866 if (led->type == LED_TYPE_RADIO) {
867 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
868 enabled ? 3 : 0);
869 } else if (led->type == LED_TYPE_ASSOC) {
870 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
871 enabled ? 3 : 0);
872 } else if (led->type == LED_TYPE_QUALITY) {
873 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
874 enabled ? 3 : 0);
875 }
876
877 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
878
879 } else {
880 if (led->type == LED_TYPE_RADIO) {
881 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
882 enabled ? 0x20 : 0);
883 } else if (led->type == LED_TYPE_ASSOC) {
884 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
885 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
886 } else if (led->type == LED_TYPE_QUALITY) {
887 /*
888 * The brightness is divided into 6 levels (0 - 5),
889 * The specs tell us the following levels:
890 * 0, 1 ,3, 7, 15, 31
891 * to determine the level in a simple way we can simply
892 * work with bitshifting:
893 * (1 << level) - 1
894 */
895 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
896 (1 << brightness / (LED_FULL / 6)) - 1,
897 polarity);
898 }
899 }
900 }
901
902 static int rt2800_blink_set(struct led_classdev *led_cdev,
903 unsigned long *delay_on, unsigned long *delay_off)
904 {
905 struct rt2x00_led *led =
906 container_of(led_cdev, struct rt2x00_led, led_dev);
907 u32 reg;
908
909 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
910 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
911 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
912 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
913
914 return 0;
915 }
916
917 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
918 struct rt2x00_led *led, enum led_type type)
919 {
920 led->rt2x00dev = rt2x00dev;
921 led->type = type;
922 led->led_dev.brightness_set = rt2800_brightness_set;
923 led->led_dev.blink_set = rt2800_blink_set;
924 led->flags = LED_INITIALIZED;
925 }
926 #endif /* CONFIG_RT2X00_LIB_LEDS */
927
928 /*
929 * Configuration handlers.
930 */
931 static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
932 struct rt2x00lib_crypto *crypto,
933 struct ieee80211_key_conf *key)
934 {
935 struct mac_wcid_entry wcid_entry;
936 struct mac_iveiv_entry iveiv_entry;
937 u32 offset;
938 u32 reg;
939
940 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
941
942 if (crypto->cmd == SET_KEY) {
943 rt2800_register_read(rt2x00dev, offset, &reg);
944 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
945 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
946 /*
947 * Both the cipher as the BSS Idx numbers are split in a main
948 * value of 3 bits, and a extended field for adding one additional
949 * bit to the value.
950 */
951 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
952 (crypto->cipher & 0x7));
953 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
954 (crypto->cipher & 0x8) >> 3);
955 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
956 (crypto->bssidx & 0x7));
957 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
958 (crypto->bssidx & 0x8) >> 3);
959 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
960 rt2800_register_write(rt2x00dev, offset, reg);
961 } else {
962 rt2800_register_write(rt2x00dev, offset, 0);
963 }
964
965 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
966
967 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
968 if ((crypto->cipher == CIPHER_TKIP) ||
969 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
970 (crypto->cipher == CIPHER_AES))
971 iveiv_entry.iv[3] |= 0x20;
972 iveiv_entry.iv[3] |= key->keyidx << 6;
973 rt2800_register_multiwrite(rt2x00dev, offset,
974 &iveiv_entry, sizeof(iveiv_entry));
975
976 offset = MAC_WCID_ENTRY(key->hw_key_idx);
977
978 memset(&wcid_entry, 0, sizeof(wcid_entry));
979 if (crypto->cmd == SET_KEY)
980 memcpy(wcid_entry.mac, crypto->address, ETH_ALEN);
981 rt2800_register_multiwrite(rt2x00dev, offset,
982 &wcid_entry, sizeof(wcid_entry));
983 }
984
985 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
986 struct rt2x00lib_crypto *crypto,
987 struct ieee80211_key_conf *key)
988 {
989 struct hw_key_entry key_entry;
990 struct rt2x00_field32 field;
991 u32 offset;
992 u32 reg;
993
994 if (crypto->cmd == SET_KEY) {
995 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
996
997 memcpy(key_entry.key, crypto->key,
998 sizeof(key_entry.key));
999 memcpy(key_entry.tx_mic, crypto->tx_mic,
1000 sizeof(key_entry.tx_mic));
1001 memcpy(key_entry.rx_mic, crypto->rx_mic,
1002 sizeof(key_entry.rx_mic));
1003
1004 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1005 rt2800_register_multiwrite(rt2x00dev, offset,
1006 &key_entry, sizeof(key_entry));
1007 }
1008
1009 /*
1010 * The cipher types are stored over multiple registers
1011 * starting with SHARED_KEY_MODE_BASE each word will have
1012 * 32 bits and contains the cipher types for 2 bssidx each.
1013 * Using the correct defines correctly will cause overhead,
1014 * so just calculate the correct offset.
1015 */
1016 field.bit_offset = 4 * (key->hw_key_idx % 8);
1017 field.bit_mask = 0x7 << field.bit_offset;
1018
1019 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1020
1021 rt2800_register_read(rt2x00dev, offset, &reg);
1022 rt2x00_set_field32(&reg, field,
1023 (crypto->cmd == SET_KEY) * crypto->cipher);
1024 rt2800_register_write(rt2x00dev, offset, reg);
1025
1026 /*
1027 * Update WCID information
1028 */
1029 rt2800_config_wcid_attr(rt2x00dev, crypto, key);
1030
1031 return 0;
1032 }
1033 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1034
1035 static inline int rt2800_find_pairwise_keyslot(struct rt2x00_dev *rt2x00dev)
1036 {
1037 int idx;
1038 u32 offset, reg;
1039
1040 /*
1041 * Search for the first free pairwise key entry and return the
1042 * corresponding index.
1043 *
1044 * Make sure the WCID starts _after_ the last possible shared key
1045 * entry (>32).
1046 *
1047 * Since parts of the pairwise key table might be shared with
1048 * the beacon frame buffers 6 & 7 we should only write into the
1049 * first 222 entries.
1050 */
1051 for (idx = 33; idx <= 222; idx++) {
1052 offset = MAC_WCID_ATTR_ENTRY(idx);
1053 rt2800_register_read(rt2x00dev, offset, &reg);
1054 if (!reg)
1055 return idx;
1056 }
1057 return -1;
1058 }
1059
1060 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1061 struct rt2x00lib_crypto *crypto,
1062 struct ieee80211_key_conf *key)
1063 {
1064 struct hw_key_entry key_entry;
1065 u32 offset;
1066 int idx;
1067
1068 if (crypto->cmd == SET_KEY) {
1069 idx = rt2800_find_pairwise_keyslot(rt2x00dev);
1070 if (idx < 0)
1071 return -ENOSPC;
1072 key->hw_key_idx = idx;
1073
1074 memcpy(key_entry.key, crypto->key,
1075 sizeof(key_entry.key));
1076 memcpy(key_entry.tx_mic, crypto->tx_mic,
1077 sizeof(key_entry.tx_mic));
1078 memcpy(key_entry.rx_mic, crypto->rx_mic,
1079 sizeof(key_entry.rx_mic));
1080
1081 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1082 rt2800_register_multiwrite(rt2x00dev, offset,
1083 &key_entry, sizeof(key_entry));
1084 }
1085
1086 /*
1087 * Update WCID information
1088 */
1089 rt2800_config_wcid_attr(rt2x00dev, crypto, key);
1090
1091 return 0;
1092 }
1093 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1094
1095 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1096 const unsigned int filter_flags)
1097 {
1098 u32 reg;
1099
1100 /*
1101 * Start configuration steps.
1102 * Note that the version error will always be dropped
1103 * and broadcast frames will always be accepted since
1104 * there is no filter for it at this time.
1105 */
1106 rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
1107 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
1108 !(filter_flags & FIF_FCSFAIL));
1109 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
1110 !(filter_flags & FIF_PLCPFAIL));
1111 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
1112 !(filter_flags & FIF_PROMISC_IN_BSS));
1113 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1114 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1115 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
1116 !(filter_flags & FIF_ALLMULTI));
1117 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
1118 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1119 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
1120 !(filter_flags & FIF_CONTROL));
1121 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
1122 !(filter_flags & FIF_CONTROL));
1123 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
1124 !(filter_flags & FIF_CONTROL));
1125 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
1126 !(filter_flags & FIF_CONTROL));
1127 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
1128 !(filter_flags & FIF_CONTROL));
1129 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
1130 !(filter_flags & FIF_PSPOLL));
1131 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
1132 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
1133 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
1134 !(filter_flags & FIF_CONTROL));
1135 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1136 }
1137 EXPORT_SYMBOL_GPL(rt2800_config_filter);
1138
1139 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1140 struct rt2x00intf_conf *conf, const unsigned int flags)
1141 {
1142 u32 reg;
1143 bool update_bssid = false;
1144
1145 if (flags & CONFIG_UPDATE_TYPE) {
1146 /*
1147 * Enable synchronisation.
1148 */
1149 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1150 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1151 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1152
1153 if (conf->sync == TSF_SYNC_AP_NONE) {
1154 /*
1155 * Tune beacon queue transmit parameters for AP mode
1156 */
1157 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1158 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1159 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1160 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1161 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1162 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1163 } else {
1164 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1165 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1166 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1167 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1168 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1169 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1170 }
1171 }
1172
1173 if (flags & CONFIG_UPDATE_MAC) {
1174 if (flags & CONFIG_UPDATE_TYPE &&
1175 conf->sync == TSF_SYNC_AP_NONE) {
1176 /*
1177 * The BSSID register has to be set to our own mac
1178 * address in AP mode.
1179 */
1180 memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1181 update_bssid = true;
1182 }
1183
1184 if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1185 reg = le32_to_cpu(conf->mac[1]);
1186 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1187 conf->mac[1] = cpu_to_le32(reg);
1188 }
1189
1190 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1191 conf->mac, sizeof(conf->mac));
1192 }
1193
1194 if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1195 if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1196 reg = le32_to_cpu(conf->bssid[1]);
1197 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1198 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 7);
1199 conf->bssid[1] = cpu_to_le32(reg);
1200 }
1201
1202 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1203 conf->bssid, sizeof(conf->bssid));
1204 }
1205 }
1206 EXPORT_SYMBOL_GPL(rt2800_config_intf);
1207
1208 static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1209 struct rt2x00lib_erp *erp)
1210 {
1211 bool any_sta_nongf = !!(erp->ht_opmode &
1212 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1213 u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1214 u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1215 u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1216 u32 reg;
1217
1218 /* default protection rate for HT20: OFDM 24M */
1219 mm20_rate = gf20_rate = 0x4004;
1220
1221 /* default protection rate for HT40: duplicate OFDM 24M */
1222 mm40_rate = gf40_rate = 0x4084;
1223
1224 switch (protection) {
1225 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1226 /*
1227 * All STAs in this BSS are HT20/40 but there might be
1228 * STAs not supporting greenfield mode.
1229 * => Disable protection for HT transmissions.
1230 */
1231 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1232
1233 break;
1234 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1235 /*
1236 * All STAs in this BSS are HT20 or HT20/40 but there
1237 * might be STAs not supporting greenfield mode.
1238 * => Protect all HT40 transmissions.
1239 */
1240 mm20_mode = gf20_mode = 0;
1241 mm40_mode = gf40_mode = 2;
1242
1243 break;
1244 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1245 /*
1246 * Nonmember protection:
1247 * According to 802.11n we _should_ protect all
1248 * HT transmissions (but we don't have to).
1249 *
1250 * But if cts_protection is enabled we _shall_ protect
1251 * all HT transmissions using a CCK rate.
1252 *
1253 * And if any station is non GF we _shall_ protect
1254 * GF transmissions.
1255 *
1256 * We decide to protect everything
1257 * -> fall through to mixed mode.
1258 */
1259 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1260 /*
1261 * Legacy STAs are present
1262 * => Protect all HT transmissions.
1263 */
1264 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2;
1265
1266 /*
1267 * If erp protection is needed we have to protect HT
1268 * transmissions with CCK 11M long preamble.
1269 */
1270 if (erp->cts_protection) {
1271 /* don't duplicate RTS/CTS in CCK mode */
1272 mm20_rate = mm40_rate = 0x0003;
1273 gf20_rate = gf40_rate = 0x0003;
1274 }
1275 break;
1276 }
1277
1278 /* check for STAs not supporting greenfield mode */
1279 if (any_sta_nongf)
1280 gf20_mode = gf40_mode = 2;
1281
1282 /* Update HT protection config */
1283 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1284 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1285 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1286 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1287
1288 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1289 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1290 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1291 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1292
1293 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1294 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1295 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1296 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1297
1298 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1299 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1300 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1301 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1302 }
1303
1304 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1305 u32 changed)
1306 {
1307 u32 reg;
1308
1309 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1310 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1311 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
1312 !!erp->short_preamble);
1313 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
1314 !!erp->short_preamble);
1315 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1316 }
1317
1318 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1319 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1320 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
1321 erp->cts_protection ? 2 : 0);
1322 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1323 }
1324
1325 if (changed & BSS_CHANGED_BASIC_RATES) {
1326 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1327 erp->basic_rates);
1328 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1329 }
1330
1331 if (changed & BSS_CHANGED_ERP_SLOT) {
1332 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
1333 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME,
1334 erp->slot_time);
1335 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1336
1337 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
1338 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
1339 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1340 }
1341
1342 if (changed & BSS_CHANGED_BEACON_INT) {
1343 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1344 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
1345 erp->beacon_int * 16);
1346 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1347 }
1348
1349 if (changed & BSS_CHANGED_HT)
1350 rt2800_config_ht_opmode(rt2x00dev, erp);
1351 }
1352 EXPORT_SYMBOL_GPL(rt2800_config_erp);
1353
1354 static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1355 {
1356 u32 reg;
1357 u16 eeprom;
1358 u8 led_ctrl, led_g_mode, led_r_mode;
1359
1360 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
1361 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1362 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 1);
1363 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 1);
1364 } else {
1365 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 0);
1366 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 0);
1367 }
1368 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1369
1370 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
1371 led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1372 led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1373 if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1374 led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1375 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1376 led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1377 if (led_ctrl == 0 || led_ctrl > 0x40) {
1378 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, led_g_mode);
1379 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, led_r_mode);
1380 rt2800_register_write(rt2x00dev, LED_CFG, reg);
1381 } else {
1382 rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1383 (led_g_mode << 2) | led_r_mode, 1);
1384 }
1385 }
1386 }
1387
1388 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1389 enum antenna ant)
1390 {
1391 u32 reg;
1392 u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1393 u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1394
1395 if (rt2x00_is_pci(rt2x00dev)) {
1396 rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
1397 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1398 rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1399 } else if (rt2x00_is_usb(rt2x00dev))
1400 rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1401 eesk_pin, 0);
1402
1403 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
1404 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT3, 0);
1405 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT3, gpio_bit3);
1406 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
1407 }
1408
1409 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1410 {
1411 u8 r1;
1412 u8 r3;
1413 u16 eeprom;
1414
1415 rt2800_bbp_read(rt2x00dev, 1, &r1);
1416 rt2800_bbp_read(rt2x00dev, 3, &r3);
1417
1418 if (rt2x00_rt(rt2x00dev, RT3572) &&
1419 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1420 rt2800_config_3572bt_ant(rt2x00dev);
1421
1422 /*
1423 * Configure the TX antenna.
1424 */
1425 switch (ant->tx_chain_num) {
1426 case 1:
1427 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1428 break;
1429 case 2:
1430 if (rt2x00_rt(rt2x00dev, RT3572) &&
1431 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1432 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1433 else
1434 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1435 break;
1436 case 3:
1437 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1438 break;
1439 }
1440
1441 /*
1442 * Configure the RX antenna.
1443 */
1444 switch (ant->rx_chain_num) {
1445 case 1:
1446 if (rt2x00_rt(rt2x00dev, RT3070) ||
1447 rt2x00_rt(rt2x00dev, RT3090) ||
1448 rt2x00_rt(rt2x00dev, RT3390)) {
1449 rt2x00_eeprom_read(rt2x00dev,
1450 EEPROM_NIC_CONF1, &eeprom);
1451 if (rt2x00_get_field16(eeprom,
1452 EEPROM_NIC_CONF1_ANT_DIVERSITY))
1453 rt2800_set_ant_diversity(rt2x00dev,
1454 rt2x00dev->default_ant.rx);
1455 }
1456 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
1457 break;
1458 case 2:
1459 if (rt2x00_rt(rt2x00dev, RT3572) &&
1460 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1461 rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
1462 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
1463 rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
1464 rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
1465 } else {
1466 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
1467 }
1468 break;
1469 case 3:
1470 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
1471 break;
1472 }
1473
1474 rt2800_bbp_write(rt2x00dev, 3, r3);
1475 rt2800_bbp_write(rt2x00dev, 1, r1);
1476 }
1477 EXPORT_SYMBOL_GPL(rt2800_config_ant);
1478
1479 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
1480 struct rt2x00lib_conf *libconf)
1481 {
1482 u16 eeprom;
1483 short lna_gain;
1484
1485 if (libconf->rf.channel <= 14) {
1486 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1487 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
1488 } else if (libconf->rf.channel <= 64) {
1489 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1490 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
1491 } else if (libconf->rf.channel <= 128) {
1492 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
1493 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
1494 } else {
1495 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
1496 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
1497 }
1498
1499 rt2x00dev->lna_gain = lna_gain;
1500 }
1501
1502 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
1503 struct ieee80211_conf *conf,
1504 struct rf_channel *rf,
1505 struct channel_info *info)
1506 {
1507 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
1508
1509 if (rt2x00dev->default_ant.tx_chain_num == 1)
1510 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
1511
1512 if (rt2x00dev->default_ant.rx_chain_num == 1) {
1513 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
1514 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1515 } else if (rt2x00dev->default_ant.rx_chain_num == 2)
1516 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1517
1518 if (rf->channel > 14) {
1519 /*
1520 * When TX power is below 0, we should increase it by 7 to
1521 * make it a positive value (Minimum value is -7).
1522 * However this means that values between 0 and 7 have
1523 * double meaning, and we should set a 7DBm boost flag.
1524 */
1525 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
1526 (info->default_power1 >= 0));
1527
1528 if (info->default_power1 < 0)
1529 info->default_power1 += 7;
1530
1531 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
1532
1533 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
1534 (info->default_power2 >= 0));
1535
1536 if (info->default_power2 < 0)
1537 info->default_power2 += 7;
1538
1539 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
1540 } else {
1541 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
1542 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
1543 }
1544
1545 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
1546
1547 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1548 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1549 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1550 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1551
1552 udelay(200);
1553
1554 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1555 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1556 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
1557 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1558
1559 udelay(200);
1560
1561 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1562 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1563 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1564 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1565 }
1566
1567 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
1568 struct ieee80211_conf *conf,
1569 struct rf_channel *rf,
1570 struct channel_info *info)
1571 {
1572 u8 rfcsr;
1573
1574 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1575 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
1576
1577 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1578 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1579 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1580
1581 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1582 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
1583 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1584
1585 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1586 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
1587 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1588
1589 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1590 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1591 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1592
1593 rt2800_rfcsr_write(rt2x00dev, 24,
1594 rt2x00dev->calibration[conf_is_ht40(conf)]);
1595
1596 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1597 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1598 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1599 }
1600
1601 static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
1602 struct ieee80211_conf *conf,
1603 struct rf_channel *rf,
1604 struct channel_info *info)
1605 {
1606 u8 rfcsr;
1607 u32 reg;
1608
1609 if (rf->channel <= 14) {
1610 rt2800_bbp_write(rt2x00dev, 25, 0x15);
1611 rt2800_bbp_write(rt2x00dev, 26, 0x85);
1612 } else {
1613 rt2800_bbp_write(rt2x00dev, 25, 0x09);
1614 rt2800_bbp_write(rt2x00dev, 26, 0xff);
1615 }
1616
1617 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1618 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
1619
1620 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1621 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1622 if (rf->channel <= 14)
1623 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
1624 else
1625 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
1626 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1627
1628 rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr);
1629 if (rf->channel <= 14)
1630 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
1631 else
1632 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
1633 rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
1634
1635 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1636 if (rf->channel <= 14) {
1637 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
1638 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1639 (info->default_power1 & 0x3) |
1640 ((info->default_power1 & 0xC) << 1));
1641 } else {
1642 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
1643 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1644 (info->default_power1 & 0x3) |
1645 ((info->default_power1 & 0xC) << 1));
1646 }
1647 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1648
1649 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1650 if (rf->channel <= 14) {
1651 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
1652 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1653 (info->default_power2 & 0x3) |
1654 ((info->default_power2 & 0xC) << 1));
1655 } else {
1656 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
1657 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1658 (info->default_power2 & 0x3) |
1659 ((info->default_power2 & 0xC) << 1));
1660 }
1661 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1662
1663 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1664 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
1665 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1666 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1667 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
1668 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
1669 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1670 if (rf->channel <= 14) {
1671 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
1672 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
1673 }
1674 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1675 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1676 } else {
1677 switch (rt2x00dev->default_ant.tx_chain_num) {
1678 case 1:
1679 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
1680 case 2:
1681 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1682 break;
1683 }
1684
1685 switch (rt2x00dev->default_ant.rx_chain_num) {
1686 case 1:
1687 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
1688 case 2:
1689 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1690 break;
1691 }
1692 }
1693 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1694
1695 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1696 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1697 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1698
1699 rt2800_rfcsr_write(rt2x00dev, 24,
1700 rt2x00dev->calibration[conf_is_ht40(conf)]);
1701 rt2800_rfcsr_write(rt2x00dev, 31,
1702 rt2x00dev->calibration[conf_is_ht40(conf)]);
1703
1704 if (rf->channel <= 14) {
1705 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
1706 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
1707 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1708 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
1709 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
1710 rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
1711 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1712 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
1713 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
1714 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
1715 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
1716 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
1717 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
1718 } else {
1719 rt2800_rfcsr_write(rt2x00dev, 7, 0x14);
1720 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
1721 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1722 rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
1723 rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
1724 rt2800_rfcsr_write(rt2x00dev, 16, 0x7a);
1725 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1726 if (rf->channel <= 64) {
1727 rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
1728 rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
1729 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
1730 } else if (rf->channel <= 128) {
1731 rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
1732 rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
1733 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1734 } else {
1735 rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
1736 rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
1737 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1738 }
1739 rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
1740 rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
1741 rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
1742 }
1743
1744 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
1745 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT7, 0);
1746 if (rf->channel <= 14)
1747 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT7, 1);
1748 else
1749 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT7, 0);
1750 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
1751
1752 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1753 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1754 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1755 }
1756
1757 #define RT5390_POWER_BOUND 0x27
1758 #define RT5390_FREQ_OFFSET_BOUND 0x5f
1759
1760 static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
1761 struct ieee80211_conf *conf,
1762 struct rf_channel *rf,
1763 struct channel_info *info)
1764 {
1765 u8 rfcsr;
1766
1767 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
1768 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
1769 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
1770 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
1771 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
1772
1773 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
1774 if (info->default_power1 > RT5390_POWER_BOUND)
1775 rt2x00_set_field8(&rfcsr, RFCSR49_TX, RT5390_POWER_BOUND);
1776 else
1777 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
1778 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
1779
1780 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1781 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
1782 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
1783 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
1784 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
1785 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1786
1787 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
1788 if (rt2x00dev->freq_offset > RT5390_FREQ_OFFSET_BOUND)
1789 rt2x00_set_field8(&rfcsr, RFCSR17_CODE,
1790 RT5390_FREQ_OFFSET_BOUND);
1791 else
1792 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, rt2x00dev->freq_offset);
1793 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
1794
1795 if (rf->channel <= 14) {
1796 int idx = rf->channel-1;
1797
1798 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1799 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
1800 /* r55/r59 value array of channel 1~14 */
1801 static const char r55_bt_rev[] = {0x83, 0x83,
1802 0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
1803 0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
1804 static const char r59_bt_rev[] = {0x0e, 0x0e,
1805 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
1806 0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
1807
1808 rt2800_rfcsr_write(rt2x00dev, 55,
1809 r55_bt_rev[idx]);
1810 rt2800_rfcsr_write(rt2x00dev, 59,
1811 r59_bt_rev[idx]);
1812 } else {
1813 static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
1814 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
1815 0x88, 0x88, 0x86, 0x85, 0x84};
1816
1817 rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
1818 }
1819 } else {
1820 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
1821 static const char r55_nonbt_rev[] = {0x23, 0x23,
1822 0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
1823 0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
1824 static const char r59_nonbt_rev[] = {0x07, 0x07,
1825 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
1826 0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
1827
1828 rt2800_rfcsr_write(rt2x00dev, 55,
1829 r55_nonbt_rev[idx]);
1830 rt2800_rfcsr_write(rt2x00dev, 59,
1831 r59_nonbt_rev[idx]);
1832 } else if (rt2x00_rt(rt2x00dev, RT5390)) {
1833 static const char r59_non_bt[] = {0x8f, 0x8f,
1834 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
1835 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
1836
1837 rt2800_rfcsr_write(rt2x00dev, 59,
1838 r59_non_bt[idx]);
1839 }
1840 }
1841 }
1842
1843 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1844 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, 0);
1845 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, 0);
1846 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1847
1848 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
1849 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1850 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
1851 }
1852
1853 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
1854 struct ieee80211_conf *conf,
1855 struct rf_channel *rf,
1856 struct channel_info *info)
1857 {
1858 u32 reg;
1859 unsigned int tx_pin;
1860 u8 bbp;
1861
1862 if (rf->channel <= 14) {
1863 info->default_power1 = TXPOWER_G_TO_DEV(info->default_power1);
1864 info->default_power2 = TXPOWER_G_TO_DEV(info->default_power2);
1865 } else {
1866 info->default_power1 = TXPOWER_A_TO_DEV(info->default_power1);
1867 info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2);
1868 }
1869
1870 if (rt2x00_rf(rt2x00dev, RF2020) ||
1871 rt2x00_rf(rt2x00dev, RF3020) ||
1872 rt2x00_rf(rt2x00dev, RF3021) ||
1873 rt2x00_rf(rt2x00dev, RF3022) ||
1874 rt2x00_rf(rt2x00dev, RF3320))
1875 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
1876 else if (rt2x00_rf(rt2x00dev, RF3052))
1877 rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
1878 else if (rt2x00_rf(rt2x00dev, RF5370) ||
1879 rt2x00_rf(rt2x00dev, RF5390))
1880 rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
1881 else
1882 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
1883
1884 /*
1885 * Change BBP settings
1886 */
1887 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
1888 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
1889 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
1890 rt2800_bbp_write(rt2x00dev, 86, 0);
1891
1892 if (rf->channel <= 14) {
1893 if (!rt2x00_rt(rt2x00dev, RT5390)) {
1894 if (test_bit(CAPABILITY_EXTERNAL_LNA_BG,
1895 &rt2x00dev->cap_flags)) {
1896 rt2800_bbp_write(rt2x00dev, 82, 0x62);
1897 rt2800_bbp_write(rt2x00dev, 75, 0x46);
1898 } else {
1899 rt2800_bbp_write(rt2x00dev, 82, 0x84);
1900 rt2800_bbp_write(rt2x00dev, 75, 0x50);
1901 }
1902 }
1903 } else {
1904 if (rt2x00_rt(rt2x00dev, RT3572))
1905 rt2800_bbp_write(rt2x00dev, 82, 0x94);
1906 else
1907 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
1908
1909 if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags))
1910 rt2800_bbp_write(rt2x00dev, 75, 0x46);
1911 else
1912 rt2800_bbp_write(rt2x00dev, 75, 0x50);
1913 }
1914
1915 rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
1916 rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
1917 rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
1918 rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
1919 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
1920
1921 if (rt2x00_rt(rt2x00dev, RT3572))
1922 rt2800_rfcsr_write(rt2x00dev, 8, 0);
1923
1924 tx_pin = 0;
1925
1926 /* Turn on unused PA or LNA when not using 1T or 1R */
1927 if (rt2x00dev->default_ant.tx_chain_num == 2) {
1928 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
1929 rf->channel > 14);
1930 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
1931 rf->channel <= 14);
1932 }
1933
1934 /* Turn on unused PA or LNA when not using 1T or 1R */
1935 if (rt2x00dev->default_ant.rx_chain_num == 2) {
1936 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
1937 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
1938 }
1939
1940 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
1941 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
1942 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
1943 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
1944 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1945 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
1946 else
1947 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
1948 rf->channel <= 14);
1949 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
1950
1951 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
1952
1953 if (rt2x00_rt(rt2x00dev, RT3572))
1954 rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
1955
1956 rt2800_bbp_read(rt2x00dev, 4, &bbp);
1957 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
1958 rt2800_bbp_write(rt2x00dev, 4, bbp);
1959
1960 rt2800_bbp_read(rt2x00dev, 3, &bbp);
1961 rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
1962 rt2800_bbp_write(rt2x00dev, 3, bbp);
1963
1964 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
1965 if (conf_is_ht40(conf)) {
1966 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
1967 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
1968 rt2800_bbp_write(rt2x00dev, 73, 0x16);
1969 } else {
1970 rt2800_bbp_write(rt2x00dev, 69, 0x16);
1971 rt2800_bbp_write(rt2x00dev, 70, 0x08);
1972 rt2800_bbp_write(rt2x00dev, 73, 0x11);
1973 }
1974 }
1975
1976 msleep(1);
1977
1978 /*
1979 * Clear channel statistic counters
1980 */
1981 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &reg);
1982 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &reg);
1983 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &reg);
1984 }
1985
1986 static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
1987 {
1988 u8 tssi_bounds[9];
1989 u8 current_tssi;
1990 u16 eeprom;
1991 u8 step;
1992 int i;
1993
1994 /*
1995 * Read TSSI boundaries for temperature compensation from
1996 * the EEPROM.
1997 *
1998 * Array idx 0 1 2 3 4 5 6 7 8
1999 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4
2000 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
2001 */
2002 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2003 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1, &eeprom);
2004 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2005 EEPROM_TSSI_BOUND_BG1_MINUS4);
2006 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2007 EEPROM_TSSI_BOUND_BG1_MINUS3);
2008
2009 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2, &eeprom);
2010 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2011 EEPROM_TSSI_BOUND_BG2_MINUS2);
2012 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2013 EEPROM_TSSI_BOUND_BG2_MINUS1);
2014
2015 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3, &eeprom);
2016 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2017 EEPROM_TSSI_BOUND_BG3_REF);
2018 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2019 EEPROM_TSSI_BOUND_BG3_PLUS1);
2020
2021 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4, &eeprom);
2022 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2023 EEPROM_TSSI_BOUND_BG4_PLUS2);
2024 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2025 EEPROM_TSSI_BOUND_BG4_PLUS3);
2026
2027 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5, &eeprom);
2028 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2029 EEPROM_TSSI_BOUND_BG5_PLUS4);
2030
2031 step = rt2x00_get_field16(eeprom,
2032 EEPROM_TSSI_BOUND_BG5_AGC_STEP);
2033 } else {
2034 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1, &eeprom);
2035 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2036 EEPROM_TSSI_BOUND_A1_MINUS4);
2037 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2038 EEPROM_TSSI_BOUND_A1_MINUS3);
2039
2040 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2, &eeprom);
2041 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2042 EEPROM_TSSI_BOUND_A2_MINUS2);
2043 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2044 EEPROM_TSSI_BOUND_A2_MINUS1);
2045
2046 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3, &eeprom);
2047 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2048 EEPROM_TSSI_BOUND_A3_REF);
2049 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2050 EEPROM_TSSI_BOUND_A3_PLUS1);
2051
2052 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4, &eeprom);
2053 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2054 EEPROM_TSSI_BOUND_A4_PLUS2);
2055 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2056 EEPROM_TSSI_BOUND_A4_PLUS3);
2057
2058 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5, &eeprom);
2059 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2060 EEPROM_TSSI_BOUND_A5_PLUS4);
2061
2062 step = rt2x00_get_field16(eeprom,
2063 EEPROM_TSSI_BOUND_A5_AGC_STEP);
2064 }
2065
2066 /*
2067 * Check if temperature compensation is supported.
2068 */
2069 if (tssi_bounds[4] == 0xff)
2070 return 0;
2071
2072 /*
2073 * Read current TSSI (BBP 49).
2074 */
2075 rt2800_bbp_read(rt2x00dev, 49, &current_tssi);
2076
2077 /*
2078 * Compare TSSI value (BBP49) with the compensation boundaries
2079 * from the EEPROM and increase or decrease tx power.
2080 */
2081 for (i = 0; i <= 3; i++) {
2082 if (current_tssi > tssi_bounds[i])
2083 break;
2084 }
2085
2086 if (i == 4) {
2087 for (i = 8; i >= 5; i--) {
2088 if (current_tssi < tssi_bounds[i])
2089 break;
2090 }
2091 }
2092
2093 return (i - 4) * step;
2094 }
2095
2096 static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
2097 enum ieee80211_band band)
2098 {
2099 u16 eeprom;
2100 u8 comp_en;
2101 u8 comp_type;
2102 int comp_value = 0;
2103
2104 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom);
2105
2106 /*
2107 * HT40 compensation not required.
2108 */
2109 if (eeprom == 0xffff ||
2110 !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2111 return 0;
2112
2113 if (band == IEEE80211_BAND_2GHZ) {
2114 comp_en = rt2x00_get_field16(eeprom,
2115 EEPROM_TXPOWER_DELTA_ENABLE_2G);
2116 if (comp_en) {
2117 comp_type = rt2x00_get_field16(eeprom,
2118 EEPROM_TXPOWER_DELTA_TYPE_2G);
2119 comp_value = rt2x00_get_field16(eeprom,
2120 EEPROM_TXPOWER_DELTA_VALUE_2G);
2121 if (!comp_type)
2122 comp_value = -comp_value;
2123 }
2124 } else {
2125 comp_en = rt2x00_get_field16(eeprom,
2126 EEPROM_TXPOWER_DELTA_ENABLE_5G);
2127 if (comp_en) {
2128 comp_type = rt2x00_get_field16(eeprom,
2129 EEPROM_TXPOWER_DELTA_TYPE_5G);
2130 comp_value = rt2x00_get_field16(eeprom,
2131 EEPROM_TXPOWER_DELTA_VALUE_5G);
2132 if (!comp_type)
2133 comp_value = -comp_value;
2134 }
2135 }
2136
2137 return comp_value;
2138 }
2139
2140 static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
2141 enum ieee80211_band band, int power_level,
2142 u8 txpower, int delta)
2143 {
2144 u32 reg;
2145 u16 eeprom;
2146 u8 criterion;
2147 u8 eirp_txpower;
2148 u8 eirp_txpower_criterion;
2149 u8 reg_limit;
2150
2151 if (!((band == IEEE80211_BAND_5GHZ) && is_rate_b))
2152 return txpower;
2153
2154 if (test_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags)) {
2155 /*
2156 * Check if eirp txpower exceed txpower_limit.
2157 * We use OFDM 6M as criterion and its eirp txpower
2158 * is stored at EEPROM_EIRP_MAX_TX_POWER.
2159 * .11b data rate need add additional 4dbm
2160 * when calculating eirp txpower.
2161 */
2162 rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
2163 criterion = rt2x00_get_field32(reg, TX_PWR_CFG_0_6MBS);
2164
2165 rt2x00_eeprom_read(rt2x00dev,
2166 EEPROM_EIRP_MAX_TX_POWER, &eeprom);
2167
2168 if (band == IEEE80211_BAND_2GHZ)
2169 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2170 EEPROM_EIRP_MAX_TX_POWER_2GHZ);
2171 else
2172 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2173 EEPROM_EIRP_MAX_TX_POWER_5GHZ);
2174
2175 eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
2176 (is_rate_b ? 4 : 0) + delta;
2177
2178 reg_limit = (eirp_txpower > power_level) ?
2179 (eirp_txpower - power_level) : 0;
2180 } else
2181 reg_limit = 0;
2182
2183 return txpower + delta - reg_limit;
2184 }
2185
2186 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
2187 enum ieee80211_band band,
2188 int power_level)
2189 {
2190 u8 txpower;
2191 u16 eeprom;
2192 int i, is_rate_b;
2193 u32 reg;
2194 u8 r1;
2195 u32 offset;
2196 int delta;
2197
2198 /*
2199 * Calculate HT40 compensation delta
2200 */
2201 delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
2202
2203 /*
2204 * calculate temperature compensation delta
2205 */
2206 delta += rt2800_get_gain_calibration_delta(rt2x00dev);
2207
2208 /*
2209 * set to normal bbp tx power control mode: +/- 0dBm
2210 */
2211 rt2800_bbp_read(rt2x00dev, 1, &r1);
2212 rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, 0);
2213 rt2800_bbp_write(rt2x00dev, 1, r1);
2214 offset = TX_PWR_CFG_0;
2215
2216 for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
2217 /* just to be safe */
2218 if (offset > TX_PWR_CFG_4)
2219 break;
2220
2221 rt2800_register_read(rt2x00dev, offset, &reg);
2222
2223 /* read the next four txpower values */
2224 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i,
2225 &eeprom);
2226
2227 is_rate_b = i ? 0 : 1;
2228 /*
2229 * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
2230 * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
2231 * TX_PWR_CFG_4: unknown
2232 */
2233 txpower = rt2x00_get_field16(eeprom,
2234 EEPROM_TXPOWER_BYRATE_RATE0);
2235 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2236 power_level, txpower, delta);
2237 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE0, txpower);
2238
2239 /*
2240 * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
2241 * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
2242 * TX_PWR_CFG_4: unknown
2243 */
2244 txpower = rt2x00_get_field16(eeprom,
2245 EEPROM_TXPOWER_BYRATE_RATE1);
2246 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2247 power_level, txpower, delta);
2248 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE1, txpower);
2249
2250 /*
2251 * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
2252 * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14,
2253 * TX_PWR_CFG_4: unknown
2254 */
2255 txpower = rt2x00_get_field16(eeprom,
2256 EEPROM_TXPOWER_BYRATE_RATE2);
2257 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2258 power_level, txpower, delta);
2259 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE2, txpower);
2260
2261 /*
2262 * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
2263 * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15,
2264 * TX_PWR_CFG_4: unknown
2265 */
2266 txpower = rt2x00_get_field16(eeprom,
2267 EEPROM_TXPOWER_BYRATE_RATE3);
2268 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2269 power_level, txpower, delta);
2270 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE3, txpower);
2271
2272 /* read the next four txpower values */
2273 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i + 1,
2274 &eeprom);
2275
2276 is_rate_b = 0;
2277 /*
2278 * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
2279 * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
2280 * TX_PWR_CFG_4: unknown
2281 */
2282 txpower = rt2x00_get_field16(eeprom,
2283 EEPROM_TXPOWER_BYRATE_RATE0);
2284 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2285 power_level, txpower, delta);
2286 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE4, txpower);
2287
2288 /*
2289 * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
2290 * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
2291 * TX_PWR_CFG_4: unknown
2292 */
2293 txpower = rt2x00_get_field16(eeprom,
2294 EEPROM_TXPOWER_BYRATE_RATE1);
2295 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2296 power_level, txpower, delta);
2297 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE5, txpower);
2298
2299 /*
2300 * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
2301 * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
2302 * TX_PWR_CFG_4: unknown
2303 */
2304 txpower = rt2x00_get_field16(eeprom,
2305 EEPROM_TXPOWER_BYRATE_RATE2);
2306 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2307 power_level, txpower, delta);
2308 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE6, txpower);
2309
2310 /*
2311 * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
2312 * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
2313 * TX_PWR_CFG_4: unknown
2314 */
2315 txpower = rt2x00_get_field16(eeprom,
2316 EEPROM_TXPOWER_BYRATE_RATE3);
2317 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2318 power_level, txpower, delta);
2319 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE7, txpower);
2320
2321 rt2800_register_write(rt2x00dev, offset, reg);
2322
2323 /* next TX_PWR_CFG register */
2324 offset += 4;
2325 }
2326 }
2327
2328 void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
2329 {
2330 rt2800_config_txpower(rt2x00dev, rt2x00dev->curr_band,
2331 rt2x00dev->tx_power);
2332 }
2333 EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
2334
2335 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
2336 struct rt2x00lib_conf *libconf)
2337 {
2338 u32 reg;
2339
2340 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
2341 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
2342 libconf->conf->short_frame_max_tx_count);
2343 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
2344 libconf->conf->long_frame_max_tx_count);
2345 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
2346 }
2347
2348 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
2349 struct rt2x00lib_conf *libconf)
2350 {
2351 enum dev_state state =
2352 (libconf->conf->flags & IEEE80211_CONF_PS) ?
2353 STATE_SLEEP : STATE_AWAKE;
2354 u32 reg;
2355
2356 if (state == STATE_SLEEP) {
2357 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
2358
2359 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
2360 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
2361 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
2362 libconf->conf->listen_interval - 1);
2363 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
2364 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
2365
2366 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
2367 } else {
2368 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
2369 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
2370 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
2371 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
2372 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
2373
2374 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
2375 }
2376 }
2377
2378 void rt2800_config(struct rt2x00_dev *rt2x00dev,
2379 struct rt2x00lib_conf *libconf,
2380 const unsigned int flags)
2381 {
2382 /* Always recalculate LNA gain before changing configuration */
2383 rt2800_config_lna_gain(rt2x00dev, libconf);
2384
2385 if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
2386 rt2800_config_channel(rt2x00dev, libconf->conf,
2387 &libconf->rf, &libconf->channel);
2388 rt2800_config_txpower(rt2x00dev, libconf->conf->channel->band,
2389 libconf->conf->power_level);
2390 }
2391 if (flags & IEEE80211_CONF_CHANGE_POWER)
2392 rt2800_config_txpower(rt2x00dev, libconf->conf->channel->band,
2393 libconf->conf->power_level);
2394 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
2395 rt2800_config_retry_limit(rt2x00dev, libconf);
2396 if (flags & IEEE80211_CONF_CHANGE_PS)
2397 rt2800_config_ps(rt2x00dev, libconf);
2398 }
2399 EXPORT_SYMBOL_GPL(rt2800_config);
2400
2401 /*
2402 * Link tuning
2403 */
2404 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
2405 {
2406 u32 reg;
2407
2408 /*
2409 * Update FCS error count from register.
2410 */
2411 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
2412 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
2413 }
2414 EXPORT_SYMBOL_GPL(rt2800_link_stats);
2415
2416 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
2417 {
2418 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2419 if (rt2x00_rt(rt2x00dev, RT3070) ||
2420 rt2x00_rt(rt2x00dev, RT3071) ||
2421 rt2x00_rt(rt2x00dev, RT3090) ||
2422 rt2x00_rt(rt2x00dev, RT3390) ||
2423 rt2x00_rt(rt2x00dev, RT5390))
2424 return 0x1c + (2 * rt2x00dev->lna_gain);
2425 else
2426 return 0x2e + rt2x00dev->lna_gain;
2427 }
2428
2429 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2430 return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
2431 else
2432 return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
2433 }
2434
2435 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
2436 struct link_qual *qual, u8 vgc_level)
2437 {
2438 if (qual->vgc_level != vgc_level) {
2439 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
2440 qual->vgc_level = vgc_level;
2441 qual->vgc_level_reg = vgc_level;
2442 }
2443 }
2444
2445 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
2446 {
2447 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
2448 }
2449 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
2450
2451 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
2452 const u32 count)
2453 {
2454 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
2455 return;
2456
2457 /*
2458 * When RSSI is better then -80 increase VGC level with 0x10
2459 */
2460 rt2800_set_vgc(rt2x00dev, qual,
2461 rt2800_get_default_vgc(rt2x00dev) +
2462 ((qual->rssi > -80) * 0x10));
2463 }
2464 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
2465
2466 /*
2467 * Initialization functions.
2468 */
2469 static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
2470 {
2471 u32 reg;
2472 u16 eeprom;
2473 unsigned int i;
2474 int ret;
2475
2476 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
2477 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
2478 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
2479 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
2480 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
2481 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
2482 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
2483
2484 ret = rt2800_drv_init_registers(rt2x00dev);
2485 if (ret)
2486 return ret;
2487
2488 rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
2489 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
2490 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
2491 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
2492 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
2493 rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
2494
2495 rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
2496 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
2497 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
2498 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
2499 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
2500 rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
2501
2502 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
2503 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
2504
2505 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
2506
2507 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
2508 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
2509 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
2510 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
2511 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
2512 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
2513 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
2514 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
2515
2516 rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
2517
2518 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
2519 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
2520 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
2521 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
2522
2523 if (rt2x00_rt(rt2x00dev, RT3071) ||
2524 rt2x00_rt(rt2x00dev, RT3090) ||
2525 rt2x00_rt(rt2x00dev, RT3390)) {
2526 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2527 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2528 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
2529 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
2530 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
2531 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
2532 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
2533 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
2534 0x0000002c);
2535 else
2536 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
2537 0x0000000f);
2538 } else {
2539 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2540 }
2541 } else if (rt2x00_rt(rt2x00dev, RT3070)) {
2542 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2543
2544 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
2545 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2546 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
2547 } else {
2548 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2549 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2550 }
2551 } else if (rt2800_is_305x_soc(rt2x00dev)) {
2552 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2553 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2554 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
2555 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
2556 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2557 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2558 } else if (rt2x00_rt(rt2x00dev, RT5390)) {
2559 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
2560 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2561 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2562 } else {
2563 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
2564 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2565 }
2566
2567 rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
2568 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
2569 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
2570 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
2571 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
2572 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
2573 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
2574 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
2575 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
2576 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
2577
2578 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
2579 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
2580 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
2581 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
2582 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
2583
2584 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
2585 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
2586 if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
2587 rt2x00_rt(rt2x00dev, RT2883) ||
2588 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
2589 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
2590 else
2591 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
2592 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
2593 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
2594 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
2595
2596 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
2597 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
2598 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
2599 rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
2600 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
2601 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
2602 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
2603 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
2604 rt2800_register_write(rt2x00dev, LED_CFG, reg);
2605
2606 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
2607
2608 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
2609 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
2610 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
2611 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
2612 rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
2613 rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
2614 rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
2615 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
2616
2617 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
2618 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
2619 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
2620 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
2621 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
2622 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 1);
2623 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
2624 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
2625 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
2626
2627 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
2628 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
2629 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
2630 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
2631 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2632 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2633 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2634 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2635 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2636 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2637 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
2638 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
2639
2640 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
2641 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
2642 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
2643 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
2644 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2645 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2646 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2647 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2648 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2649 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2650 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
2651 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
2652
2653 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
2654 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
2655 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
2656 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
2657 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2658 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2659 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2660 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2661 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2662 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2663 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
2664 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
2665
2666 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
2667 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
2668 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
2669 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
2670 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2671 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2672 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2673 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
2674 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2675 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
2676 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
2677 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
2678
2679 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
2680 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
2681 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
2682 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
2683 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2684 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2685 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2686 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2687 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2688 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2689 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
2690 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
2691
2692 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
2693 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
2694 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
2695 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
2696 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2697 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2698 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2699 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
2700 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2701 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
2702 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
2703 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
2704
2705 if (rt2x00_is_usb(rt2x00dev)) {
2706 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
2707
2708 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
2709 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
2710 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
2711 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
2712 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
2713 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
2714 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
2715 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
2716 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
2717 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
2718 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
2719 }
2720
2721 /*
2722 * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
2723 * although it is reserved.
2724 */
2725 rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, &reg);
2726 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
2727 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
2728 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
2729 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
2730 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
2731 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
2732 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
2733 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
2734 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
2735 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CWMIN, 0);
2736 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
2737
2738 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
2739
2740 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
2741 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
2742 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
2743 IEEE80211_MAX_RTS_THRESHOLD);
2744 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
2745 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
2746
2747 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
2748
2749 /*
2750 * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
2751 * time should be set to 16. However, the original Ralink driver uses
2752 * 16 for both and indeed using a value of 10 for CCK SIFS results in
2753 * connection problems with 11g + CTS protection. Hence, use the same
2754 * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
2755 */
2756 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
2757 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
2758 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
2759 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
2760 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
2761 rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
2762 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
2763
2764 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
2765
2766 /*
2767 * ASIC will keep garbage value after boot, clear encryption keys.
2768 */
2769 for (i = 0; i < 4; i++)
2770 rt2800_register_write(rt2x00dev,
2771 SHARED_KEY_MODE_ENTRY(i), 0);
2772
2773 for (i = 0; i < 256; i++) {
2774 static const u32 wcid[2] = { 0xffffffff, 0x00ffffff };
2775 rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
2776 wcid, sizeof(wcid));
2777
2778 rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 0);
2779 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
2780 }
2781
2782 /*
2783 * Clear all beacons
2784 */
2785 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE0);
2786 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE1);
2787 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE2);
2788 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE3);
2789 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE4);
2790 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE5);
2791 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE6);
2792 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE7);
2793
2794 if (rt2x00_is_usb(rt2x00dev)) {
2795 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
2796 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 30);
2797 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
2798 } else if (rt2x00_is_pcie(rt2x00dev)) {
2799 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
2800 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
2801 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
2802 }
2803
2804 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
2805 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
2806 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
2807 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
2808 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
2809 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
2810 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
2811 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
2812 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
2813 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
2814
2815 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
2816 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
2817 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
2818 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
2819 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
2820 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
2821 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
2822 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
2823 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
2824 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
2825
2826 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
2827 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
2828 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
2829 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
2830 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
2831 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
2832 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
2833 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
2834 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
2835 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
2836
2837 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
2838 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
2839 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
2840 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
2841 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
2842 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
2843
2844 /*
2845 * Do not force the BA window size, we use the TXWI to set it
2846 */
2847 rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, &reg);
2848 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
2849 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
2850 rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
2851
2852 /*
2853 * We must clear the error counters.
2854 * These registers are cleared on read,
2855 * so we may pass a useless variable to store the value.
2856 */
2857 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
2858 rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
2859 rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
2860 rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
2861 rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
2862 rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
2863
2864 /*
2865 * Setup leadtime for pre tbtt interrupt to 6ms
2866 */
2867 rt2800_register_read(rt2x00dev, INT_TIMER_CFG, &reg);
2868 rt2x00_set_field32(&reg, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
2869 rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
2870
2871 /*
2872 * Set up channel statistics timer
2873 */
2874 rt2800_register_read(rt2x00dev, CH_TIME_CFG, &reg);
2875 rt2x00_set_field32(&reg, CH_TIME_CFG_EIFS_BUSY, 1);
2876 rt2x00_set_field32(&reg, CH_TIME_CFG_NAV_BUSY, 1);
2877 rt2x00_set_field32(&reg, CH_TIME_CFG_RX_BUSY, 1);
2878 rt2x00_set_field32(&reg, CH_TIME_CFG_TX_BUSY, 1);
2879 rt2x00_set_field32(&reg, CH_TIME_CFG_TMR_EN, 1);
2880 rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
2881
2882 return 0;
2883 }
2884
2885 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
2886 {
2887 unsigned int i;
2888 u32 reg;
2889
2890 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
2891 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
2892 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
2893 return 0;
2894
2895 udelay(REGISTER_BUSY_DELAY);
2896 }
2897
2898 ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
2899 return -EACCES;
2900 }
2901
2902 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
2903 {
2904 unsigned int i;
2905 u8 value;
2906
2907 /*
2908 * BBP was enabled after firmware was loaded,
2909 * but we need to reactivate it now.
2910 */
2911 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
2912 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
2913 msleep(1);
2914
2915 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
2916 rt2800_bbp_read(rt2x00dev, 0, &value);
2917 if ((value != 0xff) && (value != 0x00))
2918 return 0;
2919 udelay(REGISTER_BUSY_DELAY);
2920 }
2921
2922 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
2923 return -EACCES;
2924 }
2925
2926 static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
2927 {
2928 unsigned int i;
2929 u16 eeprom;
2930 u8 reg_id;
2931 u8 value;
2932
2933 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
2934 rt2800_wait_bbp_ready(rt2x00dev)))
2935 return -EACCES;
2936
2937 if (rt2x00_rt(rt2x00dev, RT5390)) {
2938 rt2800_bbp_read(rt2x00dev, 4, &value);
2939 rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
2940 rt2800_bbp_write(rt2x00dev, 4, value);
2941 }
2942
2943 if (rt2800_is_305x_soc(rt2x00dev) ||
2944 rt2x00_rt(rt2x00dev, RT3572) ||
2945 rt2x00_rt(rt2x00dev, RT5390))
2946 rt2800_bbp_write(rt2x00dev, 31, 0x08);
2947
2948 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
2949 rt2800_bbp_write(rt2x00dev, 66, 0x38);
2950
2951 if (rt2x00_rt(rt2x00dev, RT5390))
2952 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
2953
2954 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
2955 rt2800_bbp_write(rt2x00dev, 69, 0x16);
2956 rt2800_bbp_write(rt2x00dev, 73, 0x12);
2957 } else if (rt2x00_rt(rt2x00dev, RT5390)) {
2958 rt2800_bbp_write(rt2x00dev, 69, 0x12);
2959 rt2800_bbp_write(rt2x00dev, 73, 0x13);
2960 rt2800_bbp_write(rt2x00dev, 75, 0x46);
2961 rt2800_bbp_write(rt2x00dev, 76, 0x28);
2962 rt2800_bbp_write(rt2x00dev, 77, 0x59);
2963 } else {
2964 rt2800_bbp_write(rt2x00dev, 69, 0x12);
2965 rt2800_bbp_write(rt2x00dev, 73, 0x10);
2966 }
2967
2968 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
2969
2970 if (rt2x00_rt(rt2x00dev, RT3070) ||
2971 rt2x00_rt(rt2x00dev, RT3071) ||
2972 rt2x00_rt(rt2x00dev, RT3090) ||
2973 rt2x00_rt(rt2x00dev, RT3390) ||
2974 rt2x00_rt(rt2x00dev, RT3572) ||
2975 rt2x00_rt(rt2x00dev, RT5390)) {
2976 rt2800_bbp_write(rt2x00dev, 79, 0x13);
2977 rt2800_bbp_write(rt2x00dev, 80, 0x05);
2978 rt2800_bbp_write(rt2x00dev, 81, 0x33);
2979 } else if (rt2800_is_305x_soc(rt2x00dev)) {
2980 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
2981 rt2800_bbp_write(rt2x00dev, 80, 0x08);
2982 } else {
2983 rt2800_bbp_write(rt2x00dev, 81, 0x37);
2984 }
2985
2986 rt2800_bbp_write(rt2x00dev, 82, 0x62);
2987 if (rt2x00_rt(rt2x00dev, RT5390))
2988 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
2989 else
2990 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
2991
2992 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
2993 rt2800_bbp_write(rt2x00dev, 84, 0x19);
2994 else if (rt2x00_rt(rt2x00dev, RT5390))
2995 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
2996 else
2997 rt2800_bbp_write(rt2x00dev, 84, 0x99);
2998
2999 if (rt2x00_rt(rt2x00dev, RT5390))
3000 rt2800_bbp_write(rt2x00dev, 86, 0x38);
3001 else
3002 rt2800_bbp_write(rt2x00dev, 86, 0x00);
3003
3004 rt2800_bbp_write(rt2x00dev, 91, 0x04);
3005
3006 if (rt2x00_rt(rt2x00dev, RT5390))
3007 rt2800_bbp_write(rt2x00dev, 92, 0x02);
3008 else
3009 rt2800_bbp_write(rt2x00dev, 92, 0x00);
3010
3011 if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
3012 rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
3013 rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E) ||
3014 rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E) ||
3015 rt2x00_rt(rt2x00dev, RT3572) ||
3016 rt2x00_rt(rt2x00dev, RT5390) ||
3017 rt2800_is_305x_soc(rt2x00dev))
3018 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
3019 else
3020 rt2800_bbp_write(rt2x00dev, 103, 0x00);
3021
3022 if (rt2x00_rt(rt2x00dev, RT5390))
3023 rt2800_bbp_write(rt2x00dev, 104, 0x92);
3024
3025 if (rt2800_is_305x_soc(rt2x00dev))
3026 rt2800_bbp_write(rt2x00dev, 105, 0x01);
3027 else if (rt2x00_rt(rt2x00dev, RT5390))
3028 rt2800_bbp_write(rt2x00dev, 105, 0x3c);
3029 else
3030 rt2800_bbp_write(rt2x00dev, 105, 0x05);
3031
3032 if (rt2x00_rt(rt2x00dev, RT5390))
3033 rt2800_bbp_write(rt2x00dev, 106, 0x03);
3034 else
3035 rt2800_bbp_write(rt2x00dev, 106, 0x35);
3036
3037 if (rt2x00_rt(rt2x00dev, RT5390))
3038 rt2800_bbp_write(rt2x00dev, 128, 0x12);
3039
3040 if (rt2x00_rt(rt2x00dev, RT3071) ||
3041 rt2x00_rt(rt2x00dev, RT3090) ||
3042 rt2x00_rt(rt2x00dev, RT3390) ||
3043 rt2x00_rt(rt2x00dev, RT3572) ||
3044 rt2x00_rt(rt2x00dev, RT5390)) {
3045 rt2800_bbp_read(rt2x00dev, 138, &value);
3046
3047 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3048 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
3049 value |= 0x20;
3050 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
3051 value &= ~0x02;
3052
3053 rt2800_bbp_write(rt2x00dev, 138, value);
3054 }
3055
3056 if (rt2x00_rt(rt2x00dev, RT5390)) {
3057 int ant, div_mode;
3058
3059 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3060 div_mode = rt2x00_get_field16(eeprom,
3061 EEPROM_NIC_CONF1_ANT_DIVERSITY);
3062 ant = (div_mode == 3) ? 1 : 0;
3063
3064 /* check if this is a Bluetooth combo card */
3065 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
3066 u32 reg;
3067
3068 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
3069 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT3, 0);
3070 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT6, 0);
3071 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT3, 0);
3072 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT6, 0);
3073 if (ant == 0)
3074 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT3, 1);
3075 else if (ant == 1)
3076 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT6, 1);
3077 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
3078 }
3079
3080 rt2800_bbp_read(rt2x00dev, 152, &value);
3081 if (ant == 0)
3082 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
3083 else
3084 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
3085 rt2800_bbp_write(rt2x00dev, 152, value);
3086
3087 /* Init frequency calibration */
3088 rt2800_bbp_write(rt2x00dev, 142, 1);
3089 rt2800_bbp_write(rt2x00dev, 143, 57);
3090 }
3091
3092 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
3093 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
3094
3095 if (eeprom != 0xffff && eeprom != 0x0000) {
3096 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
3097 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
3098 rt2800_bbp_write(rt2x00dev, reg_id, value);
3099 }
3100 }
3101
3102 return 0;
3103 }
3104
3105 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
3106 bool bw40, u8 rfcsr24, u8 filter_target)
3107 {
3108 unsigned int i;
3109 u8 bbp;
3110 u8 rfcsr;
3111 u8 passband;
3112 u8 stopband;
3113 u8 overtuned = 0;
3114
3115 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3116
3117 rt2800_bbp_read(rt2x00dev, 4, &bbp);
3118 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
3119 rt2800_bbp_write(rt2x00dev, 4, bbp);
3120
3121 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
3122 rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
3123 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
3124
3125 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
3126 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
3127 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
3128
3129 /*
3130 * Set power & frequency of passband test tone
3131 */
3132 rt2800_bbp_write(rt2x00dev, 24, 0);
3133
3134 for (i = 0; i < 100; i++) {
3135 rt2800_bbp_write(rt2x00dev, 25, 0x90);
3136 msleep(1);
3137
3138 rt2800_bbp_read(rt2x00dev, 55, &passband);
3139 if (passband)
3140 break;
3141 }
3142
3143 /*
3144 * Set power & frequency of stopband test tone
3145 */
3146 rt2800_bbp_write(rt2x00dev, 24, 0x06);
3147
3148 for (i = 0; i < 100; i++) {
3149 rt2800_bbp_write(rt2x00dev, 25, 0x90);
3150 msleep(1);
3151
3152 rt2800_bbp_read(rt2x00dev, 55, &stopband);
3153
3154 if ((passband - stopband) <= filter_target) {
3155 rfcsr24++;
3156 overtuned += ((passband - stopband) == filter_target);
3157 } else
3158 break;
3159
3160 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3161 }
3162
3163 rfcsr24 -= !!overtuned;
3164
3165 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3166 return rfcsr24;
3167 }
3168
3169 static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
3170 {
3171 u8 rfcsr;
3172 u8 bbp;
3173 u32 reg;
3174 u16 eeprom;
3175
3176 if (!rt2x00_rt(rt2x00dev, RT3070) &&
3177 !rt2x00_rt(rt2x00dev, RT3071) &&
3178 !rt2x00_rt(rt2x00dev, RT3090) &&
3179 !rt2x00_rt(rt2x00dev, RT3390) &&
3180 !rt2x00_rt(rt2x00dev, RT3572) &&
3181 !rt2x00_rt(rt2x00dev, RT5390) &&
3182 !rt2800_is_305x_soc(rt2x00dev))
3183 return 0;
3184
3185 /*
3186 * Init RF calibration.
3187 */
3188 if (rt2x00_rt(rt2x00dev, RT5390)) {
3189 rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
3190 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
3191 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
3192 msleep(1);
3193 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0);
3194 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
3195 } else {
3196 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3197 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
3198 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3199 msleep(1);
3200 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
3201 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3202 }
3203
3204 if (rt2x00_rt(rt2x00dev, RT3070) ||
3205 rt2x00_rt(rt2x00dev, RT3071) ||
3206 rt2x00_rt(rt2x00dev, RT3090)) {
3207 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3208 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
3209 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
3210 rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
3211 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
3212 rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
3213 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3214 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
3215 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3216 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
3217 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
3218 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
3219 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
3220 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
3221 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
3222 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
3223 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
3224 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
3225 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
3226 } else if (rt2x00_rt(rt2x00dev, RT3390)) {
3227 rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
3228 rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
3229 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
3230 rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
3231 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3232 rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
3233 rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
3234 rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
3235 rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
3236 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
3237 rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
3238 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3239 rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
3240 rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
3241 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3242 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
3243 rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
3244 rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
3245 rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
3246 rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
3247 rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
3248 rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
3249 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3250 rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
3251 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
3252 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
3253 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
3254 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
3255 rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
3256 rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
3257 rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
3258 rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
3259 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
3260 rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
3261 rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
3262 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
3263 rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
3264 rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
3265 rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
3266 rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
3267 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
3268 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
3269 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
3270 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
3271 rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
3272 rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
3273 rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
3274 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
3275 rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
3276 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
3277 rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
3278 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
3279 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
3280 rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
3281 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3282 rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
3283 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
3284 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
3285 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
3286 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
3287 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
3288 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
3289 rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
3290 rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
3291 } else if (rt2800_is_305x_soc(rt2x00dev)) {
3292 rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
3293 rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
3294 rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
3295 rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
3296 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3297 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
3298 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
3299 rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
3300 rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
3301 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
3302 rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
3303 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3304 rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
3305 rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
3306 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3307 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
3308 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
3309 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
3310 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
3311 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
3312 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
3313 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
3314 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3315 rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
3316 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
3317 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
3318 rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
3319 rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
3320 rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
3321 rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
3322 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
3323 rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
3324 return 0;
3325 } else if (rt2x00_rt(rt2x00dev, RT5390)) {
3326 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
3327 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
3328 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
3329 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
3330 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3331 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
3332 else
3333 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
3334 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
3335 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
3336 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
3337 rt2800_rfcsr_write(rt2x00dev, 12, 0xc6);
3338 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
3339 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
3340 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
3341 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
3342 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
3343 rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
3344
3345 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
3346 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
3347 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
3348 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
3349 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
3350 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3351 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
3352 else
3353 rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
3354 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
3355 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
3356 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
3357 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
3358
3359 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
3360 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
3361 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
3362 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
3363 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
3364 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
3365 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
3366 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
3367 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
3368 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
3369
3370 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3371 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
3372 else
3373 rt2800_rfcsr_write(rt2x00dev, 40, 0x4b);
3374 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
3375 rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
3376 rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
3377 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
3378 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
3379 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3380 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
3381 else
3382 rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
3383 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
3384 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
3385 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
3386
3387 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
3388 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3389 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
3390 else
3391 rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
3392 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
3393 rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
3394 rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
3395 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
3396 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
3397 rt2800_rfcsr_write(rt2x00dev, 59, 0x63);
3398
3399 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
3400 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3401 rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
3402 else
3403 rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
3404 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
3405 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
3406 }
3407
3408 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
3409 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3410 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3411 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3412 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3413 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
3414 rt2x00_rt(rt2x00dev, RT3090)) {
3415 rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
3416
3417 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
3418 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
3419 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
3420
3421 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3422 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3423 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3424 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
3425 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3426 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
3427 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3428 else
3429 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
3430 }
3431 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3432
3433 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
3434 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
3435 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
3436 } else if (rt2x00_rt(rt2x00dev, RT3390)) {
3437 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
3438 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
3439 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
3440 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
3441 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
3442 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
3443 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
3444
3445 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3446 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3447 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3448 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3449 msleep(1);
3450 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3451 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3452 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3453 }
3454
3455 /*
3456 * Set RX Filter calibration for 20MHz and 40MHz
3457 */
3458 if (rt2x00_rt(rt2x00dev, RT3070)) {
3459 rt2x00dev->calibration[0] =
3460 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
3461 rt2x00dev->calibration[1] =
3462 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
3463 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
3464 rt2x00_rt(rt2x00dev, RT3090) ||
3465 rt2x00_rt(rt2x00dev, RT3390) ||
3466 rt2x00_rt(rt2x00dev, RT3572)) {
3467 rt2x00dev->calibration[0] =
3468 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x13);
3469 rt2x00dev->calibration[1] =
3470 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x15);
3471 }
3472
3473 if (!rt2x00_rt(rt2x00dev, RT5390)) {
3474 /*
3475 * Set back to initial state
3476 */
3477 rt2800_bbp_write(rt2x00dev, 24, 0);
3478
3479 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
3480 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
3481 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
3482
3483 /*
3484 * Set BBP back to BW20
3485 */
3486 rt2800_bbp_read(rt2x00dev, 4, &bbp);
3487 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
3488 rt2800_bbp_write(rt2x00dev, 4, bbp);
3489 }
3490
3491 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
3492 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3493 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
3494 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
3495 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
3496
3497 rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
3498 rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
3499 rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
3500
3501 if (!rt2x00_rt(rt2x00dev, RT5390)) {
3502 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
3503 rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
3504 if (rt2x00_rt(rt2x00dev, RT3070) ||
3505 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3506 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
3507 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
3508 if (!test_bit(CAPABILITY_EXTERNAL_LNA_BG,
3509 &rt2x00dev->cap_flags))
3510 rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
3511 }
3512 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &eeprom);
3513 if (rt2x00_get_field16(eeprom, EEPROM_TXMIXER_GAIN_BG_VAL) >= 1)
3514 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
3515 rt2x00_get_field16(eeprom,
3516 EEPROM_TXMIXER_GAIN_BG_VAL));
3517 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
3518 }
3519
3520 if (rt2x00_rt(rt2x00dev, RT3090)) {
3521 rt2800_bbp_read(rt2x00dev, 138, &bbp);
3522
3523 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
3524 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3525 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
3526 rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
3527 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
3528 rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
3529
3530 rt2800_bbp_write(rt2x00dev, 138, bbp);
3531 }
3532
3533 if (rt2x00_rt(rt2x00dev, RT3071) ||
3534 rt2x00_rt(rt2x00dev, RT3090) ||
3535 rt2x00_rt(rt2x00dev, RT3390)) {
3536 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
3537 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
3538 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
3539 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
3540 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
3541 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
3542 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
3543
3544 rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
3545 rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
3546 rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
3547
3548 rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
3549 rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
3550 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
3551
3552 rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
3553 rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
3554 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
3555 }
3556
3557 if (rt2x00_rt(rt2x00dev, RT3070)) {
3558 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
3559 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
3560 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
3561 else
3562 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
3563 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
3564 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
3565 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
3566 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
3567 }
3568
3569 if (rt2x00_rt(rt2x00dev, RT5390)) {
3570 rt2800_rfcsr_read(rt2x00dev, 38, &rfcsr);
3571 rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0);
3572 rt2800_rfcsr_write(rt2x00dev, 38, rfcsr);
3573
3574 rt2800_rfcsr_read(rt2x00dev, 39, &rfcsr);
3575 rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0);
3576 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
3577
3578 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3579 rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
3580 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3581 }
3582
3583 return 0;
3584 }
3585
3586 int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
3587 {
3588 u32 reg;
3589 u16 word;
3590
3591 /*
3592 * Initialize all registers.
3593 */
3594 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
3595 rt2800_init_registers(rt2x00dev) ||
3596 rt2800_init_bbp(rt2x00dev) ||
3597 rt2800_init_rfcsr(rt2x00dev)))
3598 return -EIO;
3599
3600 /*
3601 * Send signal to firmware during boot time.
3602 */
3603 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
3604
3605 if (rt2x00_is_usb(rt2x00dev) &&
3606 (rt2x00_rt(rt2x00dev, RT3070) ||
3607 rt2x00_rt(rt2x00dev, RT3071) ||
3608 rt2x00_rt(rt2x00dev, RT3572))) {
3609 udelay(200);
3610 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
3611 udelay(10);
3612 }
3613
3614 /*
3615 * Enable RX.
3616 */
3617 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
3618 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
3619 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
3620 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
3621
3622 udelay(50);
3623
3624 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
3625 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
3626 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
3627 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
3628 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
3629 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
3630
3631 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
3632 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
3633 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
3634 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
3635
3636 /*
3637 * Initialize LED control
3638 */
3639 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF, &word);
3640 rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
3641 word & 0xff, (word >> 8) & 0xff);
3642
3643 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF, &word);
3644 rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
3645 word & 0xff, (word >> 8) & 0xff);
3646
3647 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY, &word);
3648 rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
3649 word & 0xff, (word >> 8) & 0xff);
3650
3651 return 0;
3652 }
3653 EXPORT_SYMBOL_GPL(rt2800_enable_radio);
3654
3655 void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
3656 {
3657 u32 reg;
3658
3659 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
3660 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
3661 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
3662 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
3663
3664 /* Wait for DMA, ignore error */
3665 rt2800_wait_wpdma_ready(rt2x00dev);
3666
3667 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
3668 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
3669 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
3670 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
3671 }
3672 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
3673
3674 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
3675 {
3676 u32 reg;
3677
3678 rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
3679
3680 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
3681 }
3682 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
3683
3684 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
3685 {
3686 u32 reg;
3687
3688 mutex_lock(&rt2x00dev->csr_mutex);
3689
3690 rt2800_register_read_lock(rt2x00dev, EFUSE_CTRL, &reg);
3691 rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
3692 rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
3693 rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
3694 rt2800_register_write_lock(rt2x00dev, EFUSE_CTRL, reg);
3695
3696 /* Wait until the EEPROM has been loaded */
3697 rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
3698
3699 /* Apparently the data is read from end to start */
3700 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3,
3701 (u32 *)&rt2x00dev->eeprom[i]);
3702 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2,
3703 (u32 *)&rt2x00dev->eeprom[i + 2]);
3704 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1,
3705 (u32 *)&rt2x00dev->eeprom[i + 4]);
3706 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0,
3707 (u32 *)&rt2x00dev->eeprom[i + 6]);
3708
3709 mutex_unlock(&rt2x00dev->csr_mutex);
3710 }
3711
3712 void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
3713 {
3714 unsigned int i;
3715
3716 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
3717 rt2800_efuse_read(rt2x00dev, i);
3718 }
3719 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
3720
3721 int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
3722 {
3723 u16 word;
3724 u8 *mac;
3725 u8 default_lna_gain;
3726
3727 /*
3728 * Start validation of the data that has been read.
3729 */
3730 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
3731 if (!is_valid_ether_addr(mac)) {
3732 random_ether_addr(mac);
3733 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
3734 }
3735
3736 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word);
3737 if (word == 0xffff) {
3738 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
3739 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
3740 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
3741 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
3742 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
3743 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
3744 rt2x00_rt(rt2x00dev, RT2872)) {
3745 /*
3746 * There is a max of 2 RX streams for RT28x0 series
3747 */
3748 if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
3749 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
3750 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
3751 }
3752
3753 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &word);
3754 if (word == 0xffff) {
3755 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
3756 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
3757 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
3758 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
3759 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
3760 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
3761 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
3762 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
3763 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
3764 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
3765 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
3766 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
3767 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
3768 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
3769 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
3770 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
3771 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
3772 }
3773
3774 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
3775 if ((word & 0x00ff) == 0x00ff) {
3776 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
3777 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
3778 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
3779 }
3780 if ((word & 0xff00) == 0xff00) {
3781 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
3782 LED_MODE_TXRX_ACTIVITY);
3783 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
3784 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
3785 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
3786 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
3787 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
3788 EEPROM(rt2x00dev, "Led Mode: 0x%04x\n", word);
3789 }
3790
3791 /*
3792 * During the LNA validation we are going to use
3793 * lna0 as correct value. Note that EEPROM_LNA
3794 * is never validated.
3795 */
3796 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
3797 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
3798
3799 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
3800 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
3801 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
3802 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
3803 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
3804 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
3805
3806 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
3807 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
3808 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
3809 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
3810 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
3811 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
3812 default_lna_gain);
3813 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
3814
3815 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
3816 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
3817 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
3818 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
3819 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
3820 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
3821
3822 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
3823 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
3824 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
3825 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
3826 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
3827 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
3828 default_lna_gain);
3829 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
3830
3831 return 0;
3832 }
3833 EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
3834
3835 int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
3836 {
3837 u32 reg;
3838 u16 value;
3839 u16 eeprom;
3840
3841 /*
3842 * Read EEPROM word for configuration.
3843 */
3844 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3845
3846 /*
3847 * Identify RF chipset by EEPROM value
3848 * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
3849 * RT53xx: defined in "EEPROM_CHIP_ID" field
3850 */
3851 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
3852 if (rt2x00_get_field32(reg, MAC_CSR0_CHIPSET) == RT5390)
3853 rt2x00_eeprom_read(rt2x00dev, EEPROM_CHIP_ID, &value);
3854 else
3855 value = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
3856
3857 rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
3858 value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
3859
3860 if (!rt2x00_rt(rt2x00dev, RT2860) &&
3861 !rt2x00_rt(rt2x00dev, RT2872) &&
3862 !rt2x00_rt(rt2x00dev, RT2883) &&
3863 !rt2x00_rt(rt2x00dev, RT3070) &&
3864 !rt2x00_rt(rt2x00dev, RT3071) &&
3865 !rt2x00_rt(rt2x00dev, RT3090) &&
3866 !rt2x00_rt(rt2x00dev, RT3390) &&
3867 !rt2x00_rt(rt2x00dev, RT3572) &&
3868 !rt2x00_rt(rt2x00dev, RT5390)) {
3869 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
3870 return -ENODEV;
3871 }
3872
3873 if (!rt2x00_rf(rt2x00dev, RF2820) &&
3874 !rt2x00_rf(rt2x00dev, RF2850) &&
3875 !rt2x00_rf(rt2x00dev, RF2720) &&
3876 !rt2x00_rf(rt2x00dev, RF2750) &&
3877 !rt2x00_rf(rt2x00dev, RF3020) &&
3878 !rt2x00_rf(rt2x00dev, RF2020) &&
3879 !rt2x00_rf(rt2x00dev, RF3021) &&
3880 !rt2x00_rf(rt2x00dev, RF3022) &&
3881 !rt2x00_rf(rt2x00dev, RF3052) &&
3882 !rt2x00_rf(rt2x00dev, RF3320) &&
3883 !rt2x00_rf(rt2x00dev, RF5370) &&
3884 !rt2x00_rf(rt2x00dev, RF5390)) {
3885 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
3886 return -ENODEV;
3887 }
3888
3889 /*
3890 * Identify default antenna configuration.
3891 */
3892 rt2x00dev->default_ant.tx_chain_num =
3893 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
3894 rt2x00dev->default_ant.rx_chain_num =
3895 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
3896
3897 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3898
3899 if (rt2x00_rt(rt2x00dev, RT3070) ||
3900 rt2x00_rt(rt2x00dev, RT3090) ||
3901 rt2x00_rt(rt2x00dev, RT3390)) {
3902 value = rt2x00_get_field16(eeprom,
3903 EEPROM_NIC_CONF1_ANT_DIVERSITY);
3904 switch (value) {
3905 case 0:
3906 case 1:
3907 case 2:
3908 rt2x00dev->default_ant.tx = ANTENNA_A;
3909 rt2x00dev->default_ant.rx = ANTENNA_A;
3910 break;
3911 case 3:
3912 rt2x00dev->default_ant.tx = ANTENNA_A;
3913 rt2x00dev->default_ant.rx = ANTENNA_B;
3914 break;
3915 }
3916 } else {
3917 rt2x00dev->default_ant.tx = ANTENNA_A;
3918 rt2x00dev->default_ant.rx = ANTENNA_A;
3919 }
3920
3921 /*
3922 * Determine external LNA informations.
3923 */
3924 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
3925 __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
3926 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
3927 __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
3928
3929 /*
3930 * Detect if this device has an hardware controlled radio.
3931 */
3932 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
3933 __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
3934
3935 /*
3936 * Detect if this device has Bluetooth co-existence.
3937 */
3938 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
3939 __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
3940
3941 /*
3942 * Read frequency offset and RF programming sequence.
3943 */
3944 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
3945 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
3946
3947 /*
3948 * Store led settings, for correct led behaviour.
3949 */
3950 #ifdef CONFIG_RT2X00_LIB_LEDS
3951 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
3952 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
3953 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
3954
3955 rt2x00dev->led_mcu_reg = eeprom;
3956 #endif /* CONFIG_RT2X00_LIB_LEDS */
3957
3958 /*
3959 * Check if support EIRP tx power limit feature.
3960 */
3961 rt2x00_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom);
3962
3963 if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
3964 EIRP_MAX_TX_POWER_LIMIT)
3965 __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
3966
3967 return 0;
3968 }
3969 EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
3970
3971 /*
3972 * RF value list for rt28xx
3973 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
3974 */
3975 static const struct rf_channel rf_vals[] = {
3976 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
3977 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
3978 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
3979 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
3980 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
3981 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
3982 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
3983 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
3984 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
3985 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
3986 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
3987 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
3988 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
3989 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
3990
3991 /* 802.11 UNI / HyperLan 2 */
3992 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
3993 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
3994 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
3995 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
3996 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
3997 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
3998 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
3999 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
4000 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
4001 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
4002 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
4003 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
4004
4005 /* 802.11 HyperLan 2 */
4006 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
4007 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
4008 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
4009 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
4010 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
4011 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
4012 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
4013 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
4014 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
4015 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
4016 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
4017 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
4018 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
4019 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
4020 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
4021 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
4022
4023 /* 802.11 UNII */
4024 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
4025 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
4026 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
4027 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
4028 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
4029 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
4030 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
4031 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
4032 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
4033 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
4034 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
4035
4036 /* 802.11 Japan */
4037 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
4038 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
4039 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
4040 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
4041 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
4042 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
4043 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
4044 };
4045
4046 /*
4047 * RF value list for rt3xxx
4048 * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052)
4049 */
4050 static const struct rf_channel rf_vals_3x[] = {
4051 {1, 241, 2, 2 },
4052 {2, 241, 2, 7 },
4053 {3, 242, 2, 2 },
4054 {4, 242, 2, 7 },
4055 {5, 243, 2, 2 },
4056 {6, 243, 2, 7 },
4057 {7, 244, 2, 2 },
4058 {8, 244, 2, 7 },
4059 {9, 245, 2, 2 },
4060 {10, 245, 2, 7 },
4061 {11, 246, 2, 2 },
4062 {12, 246, 2, 7 },
4063 {13, 247, 2, 2 },
4064 {14, 248, 2, 4 },
4065
4066 /* 802.11 UNI / HyperLan 2 */
4067 {36, 0x56, 0, 4},
4068 {38, 0x56, 0, 6},
4069 {40, 0x56, 0, 8},
4070 {44, 0x57, 0, 0},
4071 {46, 0x57, 0, 2},
4072 {48, 0x57, 0, 4},
4073 {52, 0x57, 0, 8},
4074 {54, 0x57, 0, 10},
4075 {56, 0x58, 0, 0},
4076 {60, 0x58, 0, 4},
4077 {62, 0x58, 0, 6},
4078 {64, 0x58, 0, 8},
4079
4080 /* 802.11 HyperLan 2 */
4081 {100, 0x5b, 0, 8},
4082 {102, 0x5b, 0, 10},
4083 {104, 0x5c, 0, 0},
4084 {108, 0x5c, 0, 4},
4085 {110, 0x5c, 0, 6},
4086 {112, 0x5c, 0, 8},
4087 {116, 0x5d, 0, 0},
4088 {118, 0x5d, 0, 2},
4089 {120, 0x5d, 0, 4},
4090 {124, 0x5d, 0, 8},
4091 {126, 0x5d, 0, 10},
4092 {128, 0x5e, 0, 0},
4093 {132, 0x5e, 0, 4},
4094 {134, 0x5e, 0, 6},
4095 {136, 0x5e, 0, 8},
4096 {140, 0x5f, 0, 0},
4097
4098 /* 802.11 UNII */
4099 {149, 0x5f, 0, 9},
4100 {151, 0x5f, 0, 11},
4101 {153, 0x60, 0, 1},
4102 {157, 0x60, 0, 5},
4103 {159, 0x60, 0, 7},
4104 {161, 0x60, 0, 9},
4105 {165, 0x61, 0, 1},
4106 {167, 0x61, 0, 3},
4107 {169, 0x61, 0, 5},
4108 {171, 0x61, 0, 7},
4109 {173, 0x61, 0, 9},
4110 };
4111
4112 int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
4113 {
4114 struct hw_mode_spec *spec = &rt2x00dev->spec;
4115 struct channel_info *info;
4116 char *default_power1;
4117 char *default_power2;
4118 unsigned int i;
4119 u16 eeprom;
4120
4121 /*
4122 * Disable powersaving as default on PCI devices.
4123 */
4124 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
4125 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
4126
4127 /*
4128 * Initialize all hw fields.
4129 */
4130 rt2x00dev->hw->flags =
4131 IEEE80211_HW_SIGNAL_DBM |
4132 IEEE80211_HW_SUPPORTS_PS |
4133 IEEE80211_HW_PS_NULLFUNC_STACK |
4134 IEEE80211_HW_AMPDU_AGGREGATION;
4135 /*
4136 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
4137 * unless we are capable of sending the buffered frames out after the
4138 * DTIM transmission using rt2x00lib_beacondone. This will send out
4139 * multicast and broadcast traffic immediately instead of buffering it
4140 * infinitly and thus dropping it after some time.
4141 */
4142 if (!rt2x00_is_usb(rt2x00dev))
4143 rt2x00dev->hw->flags |=
4144 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
4145
4146 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
4147 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
4148 rt2x00_eeprom_addr(rt2x00dev,
4149 EEPROM_MAC_ADDR_0));
4150
4151 /*
4152 * As rt2800 has a global fallback table we cannot specify
4153 * more then one tx rate per frame but since the hw will
4154 * try several rates (based on the fallback table) we should
4155 * initialize max_report_rates to the maximum number of rates
4156 * we are going to try. Otherwise mac80211 will truncate our
4157 * reported tx rates and the rc algortihm will end up with
4158 * incorrect data.
4159 */
4160 rt2x00dev->hw->max_rates = 1;
4161 rt2x00dev->hw->max_report_rates = 7;
4162 rt2x00dev->hw->max_rate_tries = 1;
4163
4164 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
4165
4166 /*
4167 * Initialize hw_mode information.
4168 */
4169 spec->supported_bands = SUPPORT_BAND_2GHZ;
4170 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
4171
4172 if (rt2x00_rf(rt2x00dev, RF2820) ||
4173 rt2x00_rf(rt2x00dev, RF2720)) {
4174 spec->num_channels = 14;
4175 spec->channels = rf_vals;
4176 } else if (rt2x00_rf(rt2x00dev, RF2850) ||
4177 rt2x00_rf(rt2x00dev, RF2750)) {
4178 spec->supported_bands |= SUPPORT_BAND_5GHZ;
4179 spec->num_channels = ARRAY_SIZE(rf_vals);
4180 spec->channels = rf_vals;
4181 } else if (rt2x00_rf(rt2x00dev, RF3020) ||
4182 rt2x00_rf(rt2x00dev, RF2020) ||
4183 rt2x00_rf(rt2x00dev, RF3021) ||
4184 rt2x00_rf(rt2x00dev, RF3022) ||
4185 rt2x00_rf(rt2x00dev, RF3320) ||
4186 rt2x00_rf(rt2x00dev, RF5370) ||
4187 rt2x00_rf(rt2x00dev, RF5390)) {
4188 spec->num_channels = 14;
4189 spec->channels = rf_vals_3x;
4190 } else if (rt2x00_rf(rt2x00dev, RF3052)) {
4191 spec->supported_bands |= SUPPORT_BAND_5GHZ;
4192 spec->num_channels = ARRAY_SIZE(rf_vals_3x);
4193 spec->channels = rf_vals_3x;
4194 }
4195
4196 /*
4197 * Initialize HT information.
4198 */
4199 if (!rt2x00_rf(rt2x00dev, RF2020))
4200 spec->ht.ht_supported = true;
4201 else
4202 spec->ht.ht_supported = false;
4203
4204 spec->ht.cap =
4205 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
4206 IEEE80211_HT_CAP_GRN_FLD |
4207 IEEE80211_HT_CAP_SGI_20 |
4208 IEEE80211_HT_CAP_SGI_40;
4209
4210 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) >= 2)
4211 spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
4212
4213 spec->ht.cap |=
4214 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) <<
4215 IEEE80211_HT_CAP_RX_STBC_SHIFT;
4216
4217 spec->ht.ampdu_factor = 3;
4218 spec->ht.ampdu_density = 4;
4219 spec->ht.mcs.tx_params =
4220 IEEE80211_HT_MCS_TX_DEFINED |
4221 IEEE80211_HT_MCS_TX_RX_DIFF |
4222 ((rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) - 1) <<
4223 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
4224
4225 switch (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH)) {
4226 case 3:
4227 spec->ht.mcs.rx_mask[2] = 0xff;
4228 case 2:
4229 spec->ht.mcs.rx_mask[1] = 0xff;
4230 case 1:
4231 spec->ht.mcs.rx_mask[0] = 0xff;
4232 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
4233 break;
4234 }
4235
4236 /*
4237 * Create channel information array
4238 */
4239 info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
4240 if (!info)
4241 return -ENOMEM;
4242
4243 spec->channels_info = info;
4244
4245 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
4246 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
4247
4248 for (i = 0; i < 14; i++) {
4249 info[i].default_power1 = default_power1[i];
4250 info[i].default_power2 = default_power2[i];
4251 }
4252
4253 if (spec->num_channels > 14) {
4254 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
4255 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
4256
4257 for (i = 14; i < spec->num_channels; i++) {
4258 info[i].default_power1 = default_power1[i];
4259 info[i].default_power2 = default_power2[i];
4260 }
4261 }
4262
4263 return 0;
4264 }
4265 EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode);
4266
4267 /*
4268 * IEEE80211 stack callback functions.
4269 */
4270 void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32,
4271 u16 *iv16)
4272 {
4273 struct rt2x00_dev *rt2x00dev = hw->priv;
4274 struct mac_iveiv_entry iveiv_entry;
4275 u32 offset;
4276
4277 offset = MAC_IVEIV_ENTRY(hw_key_idx);
4278 rt2800_register_multiread(rt2x00dev, offset,
4279 &iveiv_entry, sizeof(iveiv_entry));
4280
4281 memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16));
4282 memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32));
4283 }
4284 EXPORT_SYMBOL_GPL(rt2800_get_tkip_seq);
4285
4286 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
4287 {
4288 struct rt2x00_dev *rt2x00dev = hw->priv;
4289 u32 reg;
4290 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
4291
4292 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
4293 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
4294 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
4295
4296 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
4297 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
4298 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
4299
4300 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
4301 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
4302 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
4303
4304 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
4305 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
4306 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
4307
4308 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
4309 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
4310 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
4311
4312 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
4313 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
4314 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
4315
4316 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
4317 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
4318 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
4319
4320 return 0;
4321 }
4322 EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
4323
4324 int rt2800_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
4325 const struct ieee80211_tx_queue_params *params)
4326 {
4327 struct rt2x00_dev *rt2x00dev = hw->priv;
4328 struct data_queue *queue;
4329 struct rt2x00_field32 field;
4330 int retval;
4331 u32 reg;
4332 u32 offset;
4333
4334 /*
4335 * First pass the configuration through rt2x00lib, that will
4336 * update the queue settings and validate the input. After that
4337 * we are free to update the registers based on the value
4338 * in the queue parameter.
4339 */
4340 retval = rt2x00mac_conf_tx(hw, queue_idx, params);
4341 if (retval)
4342 return retval;
4343
4344 /*
4345 * We only need to perform additional register initialization
4346 * for WMM queues/
4347 */
4348 if (queue_idx >= 4)
4349 return 0;
4350
4351 queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
4352
4353 /* Update WMM TXOP register */
4354 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
4355 field.bit_offset = (queue_idx & 1) * 16;
4356 field.bit_mask = 0xffff << field.bit_offset;
4357
4358 rt2800_register_read(rt2x00dev, offset, &reg);
4359 rt2x00_set_field32(&reg, field, queue->txop);
4360 rt2800_register_write(rt2x00dev, offset, reg);
4361
4362 /* Update WMM registers */
4363 field.bit_offset = queue_idx * 4;
4364 field.bit_mask = 0xf << field.bit_offset;
4365
4366 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
4367 rt2x00_set_field32(&reg, field, queue->aifs);
4368 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
4369
4370 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
4371 rt2x00_set_field32(&reg, field, queue->cw_min);
4372 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
4373
4374 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
4375 rt2x00_set_field32(&reg, field, queue->cw_max);
4376 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
4377
4378 /* Update EDCA registers */
4379 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
4380
4381 rt2800_register_read(rt2x00dev, offset, &reg);
4382 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
4383 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
4384 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
4385 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
4386 rt2800_register_write(rt2x00dev, offset, reg);
4387
4388 return 0;
4389 }
4390 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
4391
4392 u64 rt2800_get_tsf(struct ieee80211_hw *hw)
4393 {
4394 struct rt2x00_dev *rt2x00dev = hw->priv;
4395 u64 tsf;
4396 u32 reg;
4397
4398 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
4399 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
4400 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
4401 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
4402
4403 return tsf;
4404 }
4405 EXPORT_SYMBOL_GPL(rt2800_get_tsf);
4406
4407 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
4408 enum ieee80211_ampdu_mlme_action action,
4409 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
4410 u8 buf_size)
4411 {
4412 int ret = 0;
4413
4414 switch (action) {
4415 case IEEE80211_AMPDU_RX_START:
4416 case IEEE80211_AMPDU_RX_STOP:
4417 /*
4418 * The hw itself takes care of setting up BlockAck mechanisms.
4419 * So, we only have to allow mac80211 to nagotiate a BlockAck
4420 * agreement. Once that is done, the hw will BlockAck incoming
4421 * AMPDUs without further setup.
4422 */
4423 break;
4424 case IEEE80211_AMPDU_TX_START:
4425 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
4426 break;
4427 case IEEE80211_AMPDU_TX_STOP:
4428 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
4429 break;
4430 case IEEE80211_AMPDU_TX_OPERATIONAL:
4431 break;
4432 default:
4433 WARNING((struct rt2x00_dev *)hw->priv, "Unknown AMPDU action\n");
4434 }
4435
4436 return ret;
4437 }
4438 EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
4439
4440 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
4441 struct survey_info *survey)
4442 {
4443 struct rt2x00_dev *rt2x00dev = hw->priv;
4444 struct ieee80211_conf *conf = &hw->conf;
4445 u32 idle, busy, busy_ext;
4446
4447 if (idx != 0)
4448 return -ENOENT;
4449
4450 survey->channel = conf->channel;
4451
4452 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle);
4453 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy);
4454 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext);
4455
4456 if (idle || busy) {
4457 survey->filled = SURVEY_INFO_CHANNEL_TIME |
4458 SURVEY_INFO_CHANNEL_TIME_BUSY |
4459 SURVEY_INFO_CHANNEL_TIME_EXT_BUSY;
4460
4461 survey->channel_time = (idle + busy) / 1000;
4462 survey->channel_time_busy = busy / 1000;
4463 survey->channel_time_ext_busy = busy_ext / 1000;
4464 }
4465
4466 return 0;
4467
4468 }
4469 EXPORT_SYMBOL_GPL(rt2800_get_survey);
4470
4471 MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
4472 MODULE_VERSION(DRV_VERSION);
4473 MODULE_DESCRIPTION("Ralink RT2800 library");
4474 MODULE_LICENSE("GPL");
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