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mac80211: pass vif param to conf_tx() callback
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / rt2x00 / rt2800lib.c
blob3f183a15186e09b5e05a2e296c5c66bd94426b23
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 : txdesc->u.ht.wcid);
497 rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
498 txdesc->length);
499 rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
500 rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
501 rt2x00_desc_write(txwi, 1, word);
502
503 /*
504 * Always write 0 to IV/EIV fields, hardware will insert the IV
505 * from the IVEIV register when TXD_W3_WIV is set to 0.
506 * When TXD_W3_WIV is set to 1 it will use the IV data
507 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
508 * crypto entry in the registers should be used to encrypt the frame.
509 */
510 _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */);
511 _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */);
512 }
513 EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
514
515 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
516 {
517 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, __le32 *txwi)
605 {
606 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
607 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
608 struct txdone_entry_desc txdesc;
609 u32 word;
610 u16 mcs, real_mcs;
611 int aggr, ampdu;
612
613 /*
614 * Obtain the status about this packet.
615 */
616 txdesc.flags = 0;
617 rt2x00_desc_read(txwi, 0, &word);
618
619 mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
620 ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
621
622 real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
623 aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
624
625 /*
626 * If a frame was meant to be sent as a single non-aggregated MPDU
627 * but ended up in an aggregate the used tx rate doesn't correlate
628 * with the one specified in the TXWI as the whole aggregate is sent
629 * with the same rate.
630 *
631 * For example: two frames are sent to rt2x00, the first one sets
632 * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
633 * and requests MCS15. If the hw aggregates both frames into one
634 * AMDPU the tx status for both frames will contain MCS7 although
635 * the frame was sent successfully.
636 *
637 * Hence, replace the requested rate with the real tx rate to not
638 * confuse the rate control algortihm by providing clearly wrong
639 * data.
640 */
641 if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) {
642 skbdesc->tx_rate_idx = real_mcs;
643 mcs = real_mcs;
644 }
645
646 if (aggr == 1 || ampdu == 1)
647 __set_bit(TXDONE_AMPDU, &txdesc.flags);
648
649 /*
650 * Ralink has a retry mechanism using a global fallback
651 * table. We setup this fallback table to try the immediate
652 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
653 * always contains the MCS used for the last transmission, be
654 * it successful or not.
655 */
656 if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
657 /*
658 * Transmission succeeded. The number of retries is
659 * mcs - real_mcs
660 */
661 __set_bit(TXDONE_SUCCESS, &txdesc.flags);
662 txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
663 } else {
664 /*
665 * Transmission failed. The number of retries is
666 * always 7 in this case (for a total number of 8
667 * frames sent).
668 */
669 __set_bit(TXDONE_FAILURE, &txdesc.flags);
670 txdesc.retry = rt2x00dev->long_retry;
671 }
672
673 /*
674 * the frame was retried at least once
675 * -> hw used fallback rates
676 */
677 if (txdesc.retry)
678 __set_bit(TXDONE_FALLBACK, &txdesc.flags);
679
680 rt2x00lib_txdone(entry, &txdesc);
681 }
682 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
683
684 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
685 {
686 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
687 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
688 unsigned int beacon_base;
689 unsigned int padding_len;
690 u32 orig_reg, reg;
691
692 /*
693 * Disable beaconing while we are reloading the beacon data,
694 * otherwise we might be sending out invalid data.
695 */
696 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
697 orig_reg = reg;
698 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
699 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
700
701 /*
702 * Add space for the TXWI in front of the skb.
703 */
704 memset(skb_push(entry->skb, TXWI_DESC_SIZE), 0, TXWI_DESC_SIZE);
705
706 /*
707 * Register descriptor details in skb frame descriptor.
708 */
709 skbdesc->flags |= SKBDESC_DESC_IN_SKB;
710 skbdesc->desc = entry->skb->data;
711 skbdesc->desc_len = TXWI_DESC_SIZE;
712
713 /*
714 * Add the TXWI for the beacon to the skb.
715 */
716 rt2800_write_tx_data(entry, txdesc);
717
718 /*
719 * Dump beacon to userspace through debugfs.
720 */
721 rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
722
723 /*
724 * Write entire beacon with TXWI and padding to register.
725 */
726 padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
727 if (padding_len && skb_pad(entry->skb, padding_len)) {
728 ERROR(rt2x00dev, "Failure padding beacon, aborting\n");
729 /* skb freed by skb_pad() on failure */
730 entry->skb = NULL;
731 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
732 return;
733 }
734
735 beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
736 rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
737 entry->skb->len + padding_len);
738
739 /*
740 * Enable beaconing again.
741 */
742 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
743 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
744
745 /*
746 * Clean up beacon skb.
747 */
748 dev_kfree_skb_any(entry->skb);
749 entry->skb = NULL;
750 }
751 EXPORT_SYMBOL_GPL(rt2800_write_beacon);
752
753 static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
754 unsigned int beacon_base)
755 {
756 int i;
757
758 /*
759 * For the Beacon base registers we only need to clear
760 * the whole TXWI which (when set to 0) will invalidate
761 * the entire beacon.
762 */
763 for (i = 0; i < TXWI_DESC_SIZE; i += sizeof(__le32))
764 rt2800_register_write(rt2x00dev, beacon_base + i, 0);
765 }
766
767 void rt2800_clear_beacon(struct queue_entry *entry)
768 {
769 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
770 u32 reg;
771
772 /*
773 * Disable beaconing while we are reloading the beacon data,
774 * otherwise we might be sending out invalid data.
775 */
776 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
777 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
778 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
779
780 /*
781 * Clear beacon.
782 */
783 rt2800_clear_beacon_register(rt2x00dev,
784 HW_BEACON_OFFSET(entry->entry_idx));
785
786 /*
787 * Enabled beaconing again.
788 */
789 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
790 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
791 }
792 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
793
794 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
795 const struct rt2x00debug rt2800_rt2x00debug = {
796 .owner = THIS_MODULE,
797 .csr = {
798 .read = rt2800_register_read,
799 .write = rt2800_register_write,
800 .flags = RT2X00DEBUGFS_OFFSET,
801 .word_base = CSR_REG_BASE,
802 .word_size = sizeof(u32),
803 .word_count = CSR_REG_SIZE / sizeof(u32),
804 },
805 .eeprom = {
806 .read = rt2x00_eeprom_read,
807 .write = rt2x00_eeprom_write,
808 .word_base = EEPROM_BASE,
809 .word_size = sizeof(u16),
810 .word_count = EEPROM_SIZE / sizeof(u16),
811 },
812 .bbp = {
813 .read = rt2800_bbp_read,
814 .write = rt2800_bbp_write,
815 .word_base = BBP_BASE,
816 .word_size = sizeof(u8),
817 .word_count = BBP_SIZE / sizeof(u8),
818 },
819 .rf = {
820 .read = rt2x00_rf_read,
821 .write = rt2800_rf_write,
822 .word_base = RF_BASE,
823 .word_size = sizeof(u32),
824 .word_count = RF_SIZE / sizeof(u32),
825 },
826 };
827 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
828 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
829
830 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
831 {
832 u32 reg;
833
834 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
835 return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
836 }
837 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
838
839 #ifdef CONFIG_RT2X00_LIB_LEDS
840 static void rt2800_brightness_set(struct led_classdev *led_cdev,
841 enum led_brightness brightness)
842 {
843 struct rt2x00_led *led =
844 container_of(led_cdev, struct rt2x00_led, led_dev);
845 unsigned int enabled = brightness != LED_OFF;
846 unsigned int bg_mode =
847 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
848 unsigned int polarity =
849 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
850 EEPROM_FREQ_LED_POLARITY);
851 unsigned int ledmode =
852 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
853 EEPROM_FREQ_LED_MODE);
854 u32 reg;
855
856 /* Check for SoC (SOC devices don't support MCU requests) */
857 if (rt2x00_is_soc(led->rt2x00dev)) {
858 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
859
860 /* Set LED Polarity */
861 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
862
863 /* Set LED Mode */
864 if (led->type == LED_TYPE_RADIO) {
865 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
866 enabled ? 3 : 0);
867 } else if (led->type == LED_TYPE_ASSOC) {
868 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
869 enabled ? 3 : 0);
870 } else if (led->type == LED_TYPE_QUALITY) {
871 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
872 enabled ? 3 : 0);
873 }
874
875 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
876
877 } else {
878 if (led->type == LED_TYPE_RADIO) {
879 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
880 enabled ? 0x20 : 0);
881 } else if (led->type == LED_TYPE_ASSOC) {
882 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
883 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
884 } else if (led->type == LED_TYPE_QUALITY) {
885 /*
886 * The brightness is divided into 6 levels (0 - 5),
887 * The specs tell us the following levels:
888 * 0, 1 ,3, 7, 15, 31
889 * to determine the level in a simple way we can simply
890 * work with bitshifting:
891 * (1 << level) - 1
892 */
893 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
894 (1 << brightness / (LED_FULL / 6)) - 1,
895 polarity);
896 }
897 }
898 }
899
900 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
901 struct rt2x00_led *led, enum led_type type)
902 {
903 led->rt2x00dev = rt2x00dev;
904 led->type = type;
905 led->led_dev.brightness_set = rt2800_brightness_set;
906 led->flags = LED_INITIALIZED;
907 }
908 #endif /* CONFIG_RT2X00_LIB_LEDS */
909
910 /*
911 * Configuration handlers.
912 */
913 static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
914 const u8 *address,
915 int wcid)
916 {
917 struct mac_wcid_entry wcid_entry;
918 u32 offset;
919
920 offset = MAC_WCID_ENTRY(wcid);
921
922 memset(&wcid_entry, 0xff, sizeof(wcid_entry));
923 if (address)
924 memcpy(wcid_entry.mac, address, ETH_ALEN);
925
926 rt2800_register_multiwrite(rt2x00dev, offset,
927 &wcid_entry, sizeof(wcid_entry));
928 }
929
930 static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
931 {
932 u32 offset;
933 offset = MAC_WCID_ATTR_ENTRY(wcid);
934 rt2800_register_write(rt2x00dev, offset, 0);
935 }
936
937 static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
938 int wcid, u32 bssidx)
939 {
940 u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
941 u32 reg;
942
943 /*
944 * The BSS Idx numbers is split in a main value of 3 bits,
945 * and a extended field for adding one additional bit to the value.
946 */
947 rt2800_register_read(rt2x00dev, offset, &reg);
948 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
949 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
950 (bssidx & 0x8) >> 3);
951 rt2800_register_write(rt2x00dev, offset, reg);
952 }
953
954 static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
955 struct rt2x00lib_crypto *crypto,
956 struct ieee80211_key_conf *key)
957 {
958 struct mac_iveiv_entry iveiv_entry;
959 u32 offset;
960 u32 reg;
961
962 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
963
964 if (crypto->cmd == SET_KEY) {
965 rt2800_register_read(rt2x00dev, offset, &reg);
966 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
967 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
968 /*
969 * Both the cipher as the BSS Idx numbers are split in a main
970 * value of 3 bits, and a extended field for adding one additional
971 * bit to the value.
972 */
973 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
974 (crypto->cipher & 0x7));
975 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
976 (crypto->cipher & 0x8) >> 3);
977 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
978 rt2800_register_write(rt2x00dev, offset, reg);
979 } else {
980 /* Delete the cipher without touching the bssidx */
981 rt2800_register_read(rt2x00dev, offset, &reg);
982 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
983 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER, 0);
984 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
985 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
986 rt2800_register_write(rt2x00dev, offset, reg);
987 }
988
989 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
990
991 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
992 if ((crypto->cipher == CIPHER_TKIP) ||
993 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
994 (crypto->cipher == CIPHER_AES))
995 iveiv_entry.iv[3] |= 0x20;
996 iveiv_entry.iv[3] |= key->keyidx << 6;
997 rt2800_register_multiwrite(rt2x00dev, offset,
998 &iveiv_entry, sizeof(iveiv_entry));
999 }
1000
1001 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
1002 struct rt2x00lib_crypto *crypto,
1003 struct ieee80211_key_conf *key)
1004 {
1005 struct hw_key_entry key_entry;
1006 struct rt2x00_field32 field;
1007 u32 offset;
1008 u32 reg;
1009
1010 if (crypto->cmd == SET_KEY) {
1011 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
1012
1013 memcpy(key_entry.key, crypto->key,
1014 sizeof(key_entry.key));
1015 memcpy(key_entry.tx_mic, crypto->tx_mic,
1016 sizeof(key_entry.tx_mic));
1017 memcpy(key_entry.rx_mic, crypto->rx_mic,
1018 sizeof(key_entry.rx_mic));
1019
1020 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1021 rt2800_register_multiwrite(rt2x00dev, offset,
1022 &key_entry, sizeof(key_entry));
1023 }
1024
1025 /*
1026 * The cipher types are stored over multiple registers
1027 * starting with SHARED_KEY_MODE_BASE each word will have
1028 * 32 bits and contains the cipher types for 2 bssidx each.
1029 * Using the correct defines correctly will cause overhead,
1030 * so just calculate the correct offset.
1031 */
1032 field.bit_offset = 4 * (key->hw_key_idx % 8);
1033 field.bit_mask = 0x7 << field.bit_offset;
1034
1035 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1036
1037 rt2800_register_read(rt2x00dev, offset, &reg);
1038 rt2x00_set_field32(&reg, field,
1039 (crypto->cmd == SET_KEY) * crypto->cipher);
1040 rt2800_register_write(rt2x00dev, offset, reg);
1041
1042 /*
1043 * Update WCID information
1044 */
1045 rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
1046 rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
1047 crypto->bssidx);
1048 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1049
1050 return 0;
1051 }
1052 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1053
1054 static inline int rt2800_find_wcid(struct rt2x00_dev *rt2x00dev)
1055 {
1056 struct mac_wcid_entry wcid_entry;
1057 int idx;
1058 u32 offset;
1059
1060 /*
1061 * Search for the first free WCID entry and return the corresponding
1062 * index.
1063 *
1064 * Make sure the WCID starts _after_ the last possible shared key
1065 * entry (>32).
1066 *
1067 * Since parts of the pairwise key table might be shared with
1068 * the beacon frame buffers 6 & 7 we should only write into the
1069 * first 222 entries.
1070 */
1071 for (idx = 33; idx <= 222; idx++) {
1072 offset = MAC_WCID_ENTRY(idx);
1073 rt2800_register_multiread(rt2x00dev, offset, &wcid_entry,
1074 sizeof(wcid_entry));
1075 if (is_broadcast_ether_addr(wcid_entry.mac))
1076 return idx;
1077 }
1078
1079 /*
1080 * Use -1 to indicate that we don't have any more space in the WCID
1081 * table.
1082 */
1083 return -1;
1084 }
1085
1086 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1087 struct rt2x00lib_crypto *crypto,
1088 struct ieee80211_key_conf *key)
1089 {
1090 struct hw_key_entry key_entry;
1091 u32 offset;
1092
1093 if (crypto->cmd == SET_KEY) {
1094 /*
1095 * Allow key configuration only for STAs that are
1096 * known by the hw.
1097 */
1098 if (crypto->wcid < 0)
1099 return -ENOSPC;
1100 key->hw_key_idx = crypto->wcid;
1101
1102 memcpy(key_entry.key, crypto->key,
1103 sizeof(key_entry.key));
1104 memcpy(key_entry.tx_mic, crypto->tx_mic,
1105 sizeof(key_entry.tx_mic));
1106 memcpy(key_entry.rx_mic, crypto->rx_mic,
1107 sizeof(key_entry.rx_mic));
1108
1109 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1110 rt2800_register_multiwrite(rt2x00dev, offset,
1111 &key_entry, sizeof(key_entry));
1112 }
1113
1114 /*
1115 * Update WCID information
1116 */
1117 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1118
1119 return 0;
1120 }
1121 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1122
1123 int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
1124 struct ieee80211_sta *sta)
1125 {
1126 int wcid;
1127 struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1128
1129 /*
1130 * Find next free WCID.
1131 */
1132 wcid = rt2800_find_wcid(rt2x00dev);
1133
1134 /*
1135 * Store selected wcid even if it is invalid so that we can
1136 * later decide if the STA is uploaded into the hw.
1137 */
1138 sta_priv->wcid = wcid;
1139
1140 /*
1141 * No space left in the device, however, we can still communicate
1142 * with the STA -> No error.
1143 */
1144 if (wcid < 0)
1145 return 0;
1146
1147 /*
1148 * Clean up WCID attributes and write STA address to the device.
1149 */
1150 rt2800_delete_wcid_attr(rt2x00dev, wcid);
1151 rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
1152 rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
1153 rt2x00lib_get_bssidx(rt2x00dev, vif));
1154 return 0;
1155 }
1156 EXPORT_SYMBOL_GPL(rt2800_sta_add);
1157
1158 int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid)
1159 {
1160 /*
1161 * Remove WCID entry, no need to clean the attributes as they will
1162 * get renewed when the WCID is reused.
1163 */
1164 rt2800_config_wcid(rt2x00dev, NULL, wcid);
1165
1166 return 0;
1167 }
1168 EXPORT_SYMBOL_GPL(rt2800_sta_remove);
1169
1170 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1171 const unsigned int filter_flags)
1172 {
1173 u32 reg;
1174
1175 /*
1176 * Start configuration steps.
1177 * Note that the version error will always be dropped
1178 * and broadcast frames will always be accepted since
1179 * there is no filter for it at this time.
1180 */
1181 rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
1182 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
1183 !(filter_flags & FIF_FCSFAIL));
1184 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
1185 !(filter_flags & FIF_PLCPFAIL));
1186 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
1187 !(filter_flags & FIF_PROMISC_IN_BSS));
1188 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1189 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1190 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
1191 !(filter_flags & FIF_ALLMULTI));
1192 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
1193 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1194 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
1195 !(filter_flags & FIF_CONTROL));
1196 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
1197 !(filter_flags & FIF_CONTROL));
1198 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
1199 !(filter_flags & FIF_CONTROL));
1200 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
1201 !(filter_flags & FIF_CONTROL));
1202 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
1203 !(filter_flags & FIF_CONTROL));
1204 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
1205 !(filter_flags & FIF_PSPOLL));
1206 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
1207 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
1208 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
1209 !(filter_flags & FIF_CONTROL));
1210 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1211 }
1212 EXPORT_SYMBOL_GPL(rt2800_config_filter);
1213
1214 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1215 struct rt2x00intf_conf *conf, const unsigned int flags)
1216 {
1217 u32 reg;
1218 bool update_bssid = false;
1219
1220 if (flags & CONFIG_UPDATE_TYPE) {
1221 /*
1222 * Enable synchronisation.
1223 */
1224 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1225 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1226 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1227
1228 if (conf->sync == TSF_SYNC_AP_NONE) {
1229 /*
1230 * Tune beacon queue transmit parameters for AP mode
1231 */
1232 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1233 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1234 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1235 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1236 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1237 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1238 } else {
1239 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1240 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1241 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1242 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1243 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1244 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1245 }
1246 }
1247
1248 if (flags & CONFIG_UPDATE_MAC) {
1249 if (flags & CONFIG_UPDATE_TYPE &&
1250 conf->sync == TSF_SYNC_AP_NONE) {
1251 /*
1252 * The BSSID register has to be set to our own mac
1253 * address in AP mode.
1254 */
1255 memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1256 update_bssid = true;
1257 }
1258
1259 if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1260 reg = le32_to_cpu(conf->mac[1]);
1261 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1262 conf->mac[1] = cpu_to_le32(reg);
1263 }
1264
1265 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1266 conf->mac, sizeof(conf->mac));
1267 }
1268
1269 if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1270 if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1271 reg = le32_to_cpu(conf->bssid[1]);
1272 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1273 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 7);
1274 conf->bssid[1] = cpu_to_le32(reg);
1275 }
1276
1277 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1278 conf->bssid, sizeof(conf->bssid));
1279 }
1280 }
1281 EXPORT_SYMBOL_GPL(rt2800_config_intf);
1282
1283 static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1284 struct rt2x00lib_erp *erp)
1285 {
1286 bool any_sta_nongf = !!(erp->ht_opmode &
1287 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1288 u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1289 u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1290 u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1291 u32 reg;
1292
1293 /* default protection rate for HT20: OFDM 24M */
1294 mm20_rate = gf20_rate = 0x4004;
1295
1296 /* default protection rate for HT40: duplicate OFDM 24M */
1297 mm40_rate = gf40_rate = 0x4084;
1298
1299 switch (protection) {
1300 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1301 /*
1302 * All STAs in this BSS are HT20/40 but there might be
1303 * STAs not supporting greenfield mode.
1304 * => Disable protection for HT transmissions.
1305 */
1306 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1307
1308 break;
1309 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1310 /*
1311 * All STAs in this BSS are HT20 or HT20/40 but there
1312 * might be STAs not supporting greenfield mode.
1313 * => Protect all HT40 transmissions.
1314 */
1315 mm20_mode = gf20_mode = 0;
1316 mm40_mode = gf40_mode = 2;
1317
1318 break;
1319 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1320 /*
1321 * Nonmember protection:
1322 * According to 802.11n we _should_ protect all
1323 * HT transmissions (but we don't have to).
1324 *
1325 * But if cts_protection is enabled we _shall_ protect
1326 * all HT transmissions using a CCK rate.
1327 *
1328 * And if any station is non GF we _shall_ protect
1329 * GF transmissions.
1330 *
1331 * We decide to protect everything
1332 * -> fall through to mixed mode.
1333 */
1334 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1335 /*
1336 * Legacy STAs are present
1337 * => Protect all HT transmissions.
1338 */
1339 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2;
1340
1341 /*
1342 * If erp protection is needed we have to protect HT
1343 * transmissions with CCK 11M long preamble.
1344 */
1345 if (erp->cts_protection) {
1346 /* don't duplicate RTS/CTS in CCK mode */
1347 mm20_rate = mm40_rate = 0x0003;
1348 gf20_rate = gf40_rate = 0x0003;
1349 }
1350 break;
1351 }
1352
1353 /* check for STAs not supporting greenfield mode */
1354 if (any_sta_nongf)
1355 gf20_mode = gf40_mode = 2;
1356
1357 /* Update HT protection config */
1358 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1359 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1360 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1361 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1362
1363 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1364 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1365 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1366 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1367
1368 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1369 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1370 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1371 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1372
1373 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1374 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1375 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1376 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1377 }
1378
1379 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1380 u32 changed)
1381 {
1382 u32 reg;
1383
1384 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1385 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1386 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
1387 !!erp->short_preamble);
1388 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
1389 !!erp->short_preamble);
1390 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1391 }
1392
1393 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1394 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1395 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
1396 erp->cts_protection ? 2 : 0);
1397 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1398 }
1399
1400 if (changed & BSS_CHANGED_BASIC_RATES) {
1401 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1402 erp->basic_rates);
1403 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1404 }
1405
1406 if (changed & BSS_CHANGED_ERP_SLOT) {
1407 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
1408 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME,
1409 erp->slot_time);
1410 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1411
1412 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
1413 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
1414 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1415 }
1416
1417 if (changed & BSS_CHANGED_BEACON_INT) {
1418 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1419 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
1420 erp->beacon_int * 16);
1421 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1422 }
1423
1424 if (changed & BSS_CHANGED_HT)
1425 rt2800_config_ht_opmode(rt2x00dev, erp);
1426 }
1427 EXPORT_SYMBOL_GPL(rt2800_config_erp);
1428
1429 static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1430 {
1431 u32 reg;
1432 u16 eeprom;
1433 u8 led_ctrl, led_g_mode, led_r_mode;
1434
1435 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
1436 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1437 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 1);
1438 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 1);
1439 } else {
1440 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 0);
1441 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 0);
1442 }
1443 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1444
1445 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
1446 led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1447 led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1448 if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1449 led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1450 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1451 led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1452 if (led_ctrl == 0 || led_ctrl > 0x40) {
1453 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, led_g_mode);
1454 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, led_r_mode);
1455 rt2800_register_write(rt2x00dev, LED_CFG, reg);
1456 } else {
1457 rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1458 (led_g_mode << 2) | led_r_mode, 1);
1459 }
1460 }
1461 }
1462
1463 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1464 enum antenna ant)
1465 {
1466 u32 reg;
1467 u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1468 u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1469
1470 if (rt2x00_is_pci(rt2x00dev)) {
1471 rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
1472 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1473 rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1474 } else if (rt2x00_is_usb(rt2x00dev))
1475 rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1476 eesk_pin, 0);
1477
1478 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
1479 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT3, 0);
1480 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT3, gpio_bit3);
1481 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
1482 }
1483
1484 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1485 {
1486 u8 r1;
1487 u8 r3;
1488 u16 eeprom;
1489
1490 rt2800_bbp_read(rt2x00dev, 1, &r1);
1491 rt2800_bbp_read(rt2x00dev, 3, &r3);
1492
1493 if (rt2x00_rt(rt2x00dev, RT3572) &&
1494 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1495 rt2800_config_3572bt_ant(rt2x00dev);
1496
1497 /*
1498 * Configure the TX antenna.
1499 */
1500 switch (ant->tx_chain_num) {
1501 case 1:
1502 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1503 break;
1504 case 2:
1505 if (rt2x00_rt(rt2x00dev, RT3572) &&
1506 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1507 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1508 else
1509 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1510 break;
1511 case 3:
1512 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1513 break;
1514 }
1515
1516 /*
1517 * Configure the RX antenna.
1518 */
1519 switch (ant->rx_chain_num) {
1520 case 1:
1521 if (rt2x00_rt(rt2x00dev, RT3070) ||
1522 rt2x00_rt(rt2x00dev, RT3090) ||
1523 rt2x00_rt(rt2x00dev, RT3390)) {
1524 rt2x00_eeprom_read(rt2x00dev,
1525 EEPROM_NIC_CONF1, &eeprom);
1526 if (rt2x00_get_field16(eeprom,
1527 EEPROM_NIC_CONF1_ANT_DIVERSITY))
1528 rt2800_set_ant_diversity(rt2x00dev,
1529 rt2x00dev->default_ant.rx);
1530 }
1531 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
1532 break;
1533 case 2:
1534 if (rt2x00_rt(rt2x00dev, RT3572) &&
1535 test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1536 rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
1537 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
1538 rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
1539 rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
1540 } else {
1541 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
1542 }
1543 break;
1544 case 3:
1545 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
1546 break;
1547 }
1548
1549 rt2800_bbp_write(rt2x00dev, 3, r3);
1550 rt2800_bbp_write(rt2x00dev, 1, r1);
1551 }
1552 EXPORT_SYMBOL_GPL(rt2800_config_ant);
1553
1554 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
1555 struct rt2x00lib_conf *libconf)
1556 {
1557 u16 eeprom;
1558 short lna_gain;
1559
1560 if (libconf->rf.channel <= 14) {
1561 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1562 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
1563 } else if (libconf->rf.channel <= 64) {
1564 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1565 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
1566 } else if (libconf->rf.channel <= 128) {
1567 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
1568 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
1569 } else {
1570 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
1571 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
1572 }
1573
1574 rt2x00dev->lna_gain = lna_gain;
1575 }
1576
1577 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
1578 struct ieee80211_conf *conf,
1579 struct rf_channel *rf,
1580 struct channel_info *info)
1581 {
1582 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
1583
1584 if (rt2x00dev->default_ant.tx_chain_num == 1)
1585 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
1586
1587 if (rt2x00dev->default_ant.rx_chain_num == 1) {
1588 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
1589 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1590 } else if (rt2x00dev->default_ant.rx_chain_num == 2)
1591 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1592
1593 if (rf->channel > 14) {
1594 /*
1595 * When TX power is below 0, we should increase it by 7 to
1596 * make it a positive value (Minimum value is -7).
1597 * However this means that values between 0 and 7 have
1598 * double meaning, and we should set a 7DBm boost flag.
1599 */
1600 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
1601 (info->default_power1 >= 0));
1602
1603 if (info->default_power1 < 0)
1604 info->default_power1 += 7;
1605
1606 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
1607
1608 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
1609 (info->default_power2 >= 0));
1610
1611 if (info->default_power2 < 0)
1612 info->default_power2 += 7;
1613
1614 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
1615 } else {
1616 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
1617 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
1618 }
1619
1620 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
1621
1622 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1623 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1624 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1625 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1626
1627 udelay(200);
1628
1629 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1630 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1631 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
1632 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1633
1634 udelay(200);
1635
1636 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1637 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1638 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1639 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1640 }
1641
1642 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
1643 struct ieee80211_conf *conf,
1644 struct rf_channel *rf,
1645 struct channel_info *info)
1646 {
1647 u8 rfcsr;
1648
1649 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1650 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
1651
1652 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1653 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1654 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1655
1656 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1657 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
1658 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1659
1660 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1661 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
1662 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1663
1664 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1665 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1666 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1667
1668 rt2800_rfcsr_write(rt2x00dev, 24,
1669 rt2x00dev->calibration[conf_is_ht40(conf)]);
1670
1671 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1672 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1673 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1674 }
1675
1676 static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
1677 struct ieee80211_conf *conf,
1678 struct rf_channel *rf,
1679 struct channel_info *info)
1680 {
1681 u8 rfcsr;
1682 u32 reg;
1683
1684 if (rf->channel <= 14) {
1685 rt2800_bbp_write(rt2x00dev, 25, 0x15);
1686 rt2800_bbp_write(rt2x00dev, 26, 0x85);
1687 } else {
1688 rt2800_bbp_write(rt2x00dev, 25, 0x09);
1689 rt2800_bbp_write(rt2x00dev, 26, 0xff);
1690 }
1691
1692 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1693 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
1694
1695 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1696 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1697 if (rf->channel <= 14)
1698 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
1699 else
1700 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
1701 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1702
1703 rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr);
1704 if (rf->channel <= 14)
1705 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
1706 else
1707 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
1708 rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
1709
1710 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1711 if (rf->channel <= 14) {
1712 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
1713 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1714 (info->default_power1 & 0x3) |
1715 ((info->default_power1 & 0xC) << 1));
1716 } else {
1717 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
1718 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1719 (info->default_power1 & 0x3) |
1720 ((info->default_power1 & 0xC) << 1));
1721 }
1722 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1723
1724 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1725 if (rf->channel <= 14) {
1726 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
1727 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1728 (info->default_power2 & 0x3) |
1729 ((info->default_power2 & 0xC) << 1));
1730 } else {
1731 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
1732 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1733 (info->default_power2 & 0x3) |
1734 ((info->default_power2 & 0xC) << 1));
1735 }
1736 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1737
1738 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1739 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
1740 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1741 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1742 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
1743 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
1744 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1745 if (rf->channel <= 14) {
1746 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
1747 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
1748 }
1749 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1750 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1751 } else {
1752 switch (rt2x00dev->default_ant.tx_chain_num) {
1753 case 1:
1754 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
1755 case 2:
1756 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1757 break;
1758 }
1759
1760 switch (rt2x00dev->default_ant.rx_chain_num) {
1761 case 1:
1762 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
1763 case 2:
1764 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1765 break;
1766 }
1767 }
1768 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1769
1770 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1771 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1772 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1773
1774 rt2800_rfcsr_write(rt2x00dev, 24,
1775 rt2x00dev->calibration[conf_is_ht40(conf)]);
1776 rt2800_rfcsr_write(rt2x00dev, 31,
1777 rt2x00dev->calibration[conf_is_ht40(conf)]);
1778
1779 if (rf->channel <= 14) {
1780 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
1781 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
1782 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1783 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
1784 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
1785 rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
1786 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1787 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
1788 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
1789 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
1790 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
1791 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
1792 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
1793 } else {
1794 rt2800_rfcsr_write(rt2x00dev, 7, 0x14);
1795 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
1796 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1797 rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
1798 rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
1799 rt2800_rfcsr_write(rt2x00dev, 16, 0x7a);
1800 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1801 if (rf->channel <= 64) {
1802 rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
1803 rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
1804 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
1805 } else if (rf->channel <= 128) {
1806 rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
1807 rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
1808 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1809 } else {
1810 rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
1811 rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
1812 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1813 }
1814 rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
1815 rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
1816 rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
1817 }
1818
1819 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
1820 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT7, 0);
1821 if (rf->channel <= 14)
1822 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT7, 1);
1823 else
1824 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT7, 0);
1825 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
1826
1827 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1828 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1829 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1830 }
1831
1832 #define RT5390_POWER_BOUND 0x27
1833 #define RT5390_FREQ_OFFSET_BOUND 0x5f
1834
1835 static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
1836 struct ieee80211_conf *conf,
1837 struct rf_channel *rf,
1838 struct channel_info *info)
1839 {
1840 u8 rfcsr;
1841
1842 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
1843 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
1844 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
1845 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
1846 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
1847
1848 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
1849 if (info->default_power1 > RT5390_POWER_BOUND)
1850 rt2x00_set_field8(&rfcsr, RFCSR49_TX, RT5390_POWER_BOUND);
1851 else
1852 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
1853 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
1854
1855 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1856 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
1857 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
1858 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
1859 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
1860 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1861
1862 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
1863 if (rt2x00dev->freq_offset > RT5390_FREQ_OFFSET_BOUND)
1864 rt2x00_set_field8(&rfcsr, RFCSR17_CODE,
1865 RT5390_FREQ_OFFSET_BOUND);
1866 else
1867 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, rt2x00dev->freq_offset);
1868 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
1869
1870 if (rf->channel <= 14) {
1871 int idx = rf->channel-1;
1872
1873 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1874 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
1875 /* r55/r59 value array of channel 1~14 */
1876 static const char r55_bt_rev[] = {0x83, 0x83,
1877 0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
1878 0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
1879 static const char r59_bt_rev[] = {0x0e, 0x0e,
1880 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
1881 0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
1882
1883 rt2800_rfcsr_write(rt2x00dev, 55,
1884 r55_bt_rev[idx]);
1885 rt2800_rfcsr_write(rt2x00dev, 59,
1886 r59_bt_rev[idx]);
1887 } else {
1888 static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
1889 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
1890 0x88, 0x88, 0x86, 0x85, 0x84};
1891
1892 rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
1893 }
1894 } else {
1895 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
1896 static const char r55_nonbt_rev[] = {0x23, 0x23,
1897 0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
1898 0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
1899 static const char r59_nonbt_rev[] = {0x07, 0x07,
1900 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
1901 0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
1902
1903 rt2800_rfcsr_write(rt2x00dev, 55,
1904 r55_nonbt_rev[idx]);
1905 rt2800_rfcsr_write(rt2x00dev, 59,
1906 r59_nonbt_rev[idx]);
1907 } else if (rt2x00_rt(rt2x00dev, RT5390)) {
1908 static const char r59_non_bt[] = {0x8f, 0x8f,
1909 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
1910 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
1911
1912 rt2800_rfcsr_write(rt2x00dev, 59,
1913 r59_non_bt[idx]);
1914 }
1915 }
1916 }
1917
1918 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1919 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, 0);
1920 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, 0);
1921 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1922
1923 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
1924 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1925 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
1926 }
1927
1928 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
1929 struct ieee80211_conf *conf,
1930 struct rf_channel *rf,
1931 struct channel_info *info)
1932 {
1933 u32 reg;
1934 unsigned int tx_pin;
1935 u8 bbp;
1936
1937 if (rf->channel <= 14) {
1938 info->default_power1 = TXPOWER_G_TO_DEV(info->default_power1);
1939 info->default_power2 = TXPOWER_G_TO_DEV(info->default_power2);
1940 } else {
1941 info->default_power1 = TXPOWER_A_TO_DEV(info->default_power1);
1942 info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2);
1943 }
1944
1945 if (rt2x00_rf(rt2x00dev, RF2020) ||
1946 rt2x00_rf(rt2x00dev, RF3020) ||
1947 rt2x00_rf(rt2x00dev, RF3021) ||
1948 rt2x00_rf(rt2x00dev, RF3022) ||
1949 rt2x00_rf(rt2x00dev, RF3320))
1950 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
1951 else if (rt2x00_rf(rt2x00dev, RF3052))
1952 rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
1953 else if (rt2x00_rf(rt2x00dev, RF5370) ||
1954 rt2x00_rf(rt2x00dev, RF5390))
1955 rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
1956 else
1957 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
1958
1959 /*
1960 * Change BBP settings
1961 */
1962 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
1963 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
1964 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
1965 rt2800_bbp_write(rt2x00dev, 86, 0);
1966
1967 if (rf->channel <= 14) {
1968 if (!rt2x00_rt(rt2x00dev, RT5390)) {
1969 if (test_bit(CAPABILITY_EXTERNAL_LNA_BG,
1970 &rt2x00dev->cap_flags)) {
1971 rt2800_bbp_write(rt2x00dev, 82, 0x62);
1972 rt2800_bbp_write(rt2x00dev, 75, 0x46);
1973 } else {
1974 rt2800_bbp_write(rt2x00dev, 82, 0x84);
1975 rt2800_bbp_write(rt2x00dev, 75, 0x50);
1976 }
1977 }
1978 } else {
1979 if (rt2x00_rt(rt2x00dev, RT3572))
1980 rt2800_bbp_write(rt2x00dev, 82, 0x94);
1981 else
1982 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
1983
1984 if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags))
1985 rt2800_bbp_write(rt2x00dev, 75, 0x46);
1986 else
1987 rt2800_bbp_write(rt2x00dev, 75, 0x50);
1988 }
1989
1990 rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
1991 rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
1992 rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
1993 rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
1994 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
1995
1996 if (rt2x00_rt(rt2x00dev, RT3572))
1997 rt2800_rfcsr_write(rt2x00dev, 8, 0);
1998
1999 tx_pin = 0;
2000
2001 /* Turn on unused PA or LNA when not using 1T or 1R */
2002 if (rt2x00dev->default_ant.tx_chain_num == 2) {
2003 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
2004 rf->channel > 14);
2005 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
2006 rf->channel <= 14);
2007 }
2008
2009 /* Turn on unused PA or LNA when not using 1T or 1R */
2010 if (rt2x00dev->default_ant.rx_chain_num == 2) {
2011 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
2012 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
2013 }
2014
2015 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
2016 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
2017 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
2018 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
2019 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
2020 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
2021 else
2022 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
2023 rf->channel <= 14);
2024 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
2025
2026 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
2027
2028 if (rt2x00_rt(rt2x00dev, RT3572))
2029 rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
2030
2031 rt2800_bbp_read(rt2x00dev, 4, &bbp);
2032 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
2033 rt2800_bbp_write(rt2x00dev, 4, bbp);
2034
2035 rt2800_bbp_read(rt2x00dev, 3, &bbp);
2036 rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
2037 rt2800_bbp_write(rt2x00dev, 3, bbp);
2038
2039 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
2040 if (conf_is_ht40(conf)) {
2041 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
2042 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
2043 rt2800_bbp_write(rt2x00dev, 73, 0x16);
2044 } else {
2045 rt2800_bbp_write(rt2x00dev, 69, 0x16);
2046 rt2800_bbp_write(rt2x00dev, 70, 0x08);
2047 rt2800_bbp_write(rt2x00dev, 73, 0x11);
2048 }
2049 }
2050
2051 msleep(1);
2052
2053 /*
2054 * Clear channel statistic counters
2055 */
2056 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &reg);
2057 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &reg);
2058 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &reg);
2059 }
2060
2061 static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
2062 {
2063 u8 tssi_bounds[9];
2064 u8 current_tssi;
2065 u16 eeprom;
2066 u8 step;
2067 int i;
2068
2069 /*
2070 * Read TSSI boundaries for temperature compensation from
2071 * the EEPROM.
2072 *
2073 * Array idx 0 1 2 3 4 5 6 7 8
2074 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4
2075 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
2076 */
2077 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2078 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1, &eeprom);
2079 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2080 EEPROM_TSSI_BOUND_BG1_MINUS4);
2081 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2082 EEPROM_TSSI_BOUND_BG1_MINUS3);
2083
2084 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2, &eeprom);
2085 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2086 EEPROM_TSSI_BOUND_BG2_MINUS2);
2087 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2088 EEPROM_TSSI_BOUND_BG2_MINUS1);
2089
2090 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3, &eeprom);
2091 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2092 EEPROM_TSSI_BOUND_BG3_REF);
2093 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2094 EEPROM_TSSI_BOUND_BG3_PLUS1);
2095
2096 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4, &eeprom);
2097 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2098 EEPROM_TSSI_BOUND_BG4_PLUS2);
2099 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2100 EEPROM_TSSI_BOUND_BG4_PLUS3);
2101
2102 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5, &eeprom);
2103 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2104 EEPROM_TSSI_BOUND_BG5_PLUS4);
2105
2106 step = rt2x00_get_field16(eeprom,
2107 EEPROM_TSSI_BOUND_BG5_AGC_STEP);
2108 } else {
2109 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1, &eeprom);
2110 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2111 EEPROM_TSSI_BOUND_A1_MINUS4);
2112 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2113 EEPROM_TSSI_BOUND_A1_MINUS3);
2114
2115 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2, &eeprom);
2116 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2117 EEPROM_TSSI_BOUND_A2_MINUS2);
2118 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2119 EEPROM_TSSI_BOUND_A2_MINUS1);
2120
2121 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3, &eeprom);
2122 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2123 EEPROM_TSSI_BOUND_A3_REF);
2124 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2125 EEPROM_TSSI_BOUND_A3_PLUS1);
2126
2127 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4, &eeprom);
2128 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2129 EEPROM_TSSI_BOUND_A4_PLUS2);
2130 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2131 EEPROM_TSSI_BOUND_A4_PLUS3);
2132
2133 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5, &eeprom);
2134 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2135 EEPROM_TSSI_BOUND_A5_PLUS4);
2136
2137 step = rt2x00_get_field16(eeprom,
2138 EEPROM_TSSI_BOUND_A5_AGC_STEP);
2139 }
2140
2141 /*
2142 * Check if temperature compensation is supported.
2143 */
2144 if (tssi_bounds[4] == 0xff)
2145 return 0;
2146
2147 /*
2148 * Read current TSSI (BBP 49).
2149 */
2150 rt2800_bbp_read(rt2x00dev, 49, &current_tssi);
2151
2152 /*
2153 * Compare TSSI value (BBP49) with the compensation boundaries
2154 * from the EEPROM and increase or decrease tx power.
2155 */
2156 for (i = 0; i <= 3; i++) {
2157 if (current_tssi > tssi_bounds[i])
2158 break;
2159 }
2160
2161 if (i == 4) {
2162 for (i = 8; i >= 5; i--) {
2163 if (current_tssi < tssi_bounds[i])
2164 break;
2165 }
2166 }
2167
2168 return (i - 4) * step;
2169 }
2170
2171 static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
2172 enum ieee80211_band band)
2173 {
2174 u16 eeprom;
2175 u8 comp_en;
2176 u8 comp_type;
2177 int comp_value = 0;
2178
2179 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom);
2180
2181 /*
2182 * HT40 compensation not required.
2183 */
2184 if (eeprom == 0xffff ||
2185 !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2186 return 0;
2187
2188 if (band == IEEE80211_BAND_2GHZ) {
2189 comp_en = rt2x00_get_field16(eeprom,
2190 EEPROM_TXPOWER_DELTA_ENABLE_2G);
2191 if (comp_en) {
2192 comp_type = rt2x00_get_field16(eeprom,
2193 EEPROM_TXPOWER_DELTA_TYPE_2G);
2194 comp_value = rt2x00_get_field16(eeprom,
2195 EEPROM_TXPOWER_DELTA_VALUE_2G);
2196 if (!comp_type)
2197 comp_value = -comp_value;
2198 }
2199 } else {
2200 comp_en = rt2x00_get_field16(eeprom,
2201 EEPROM_TXPOWER_DELTA_ENABLE_5G);
2202 if (comp_en) {
2203 comp_type = rt2x00_get_field16(eeprom,
2204 EEPROM_TXPOWER_DELTA_TYPE_5G);
2205 comp_value = rt2x00_get_field16(eeprom,
2206 EEPROM_TXPOWER_DELTA_VALUE_5G);
2207 if (!comp_type)
2208 comp_value = -comp_value;
2209 }
2210 }
2211
2212 return comp_value;
2213 }
2214
2215 static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
2216 enum ieee80211_band band, int power_level,
2217 u8 txpower, int delta)
2218 {
2219 u32 reg;
2220 u16 eeprom;
2221 u8 criterion;
2222 u8 eirp_txpower;
2223 u8 eirp_txpower_criterion;
2224 u8 reg_limit;
2225
2226 if (!((band == IEEE80211_BAND_5GHZ) && is_rate_b))
2227 return txpower;
2228
2229 if (test_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags)) {
2230 /*
2231 * Check if eirp txpower exceed txpower_limit.
2232 * We use OFDM 6M as criterion and its eirp txpower
2233 * is stored at EEPROM_EIRP_MAX_TX_POWER.
2234 * .11b data rate need add additional 4dbm
2235 * when calculating eirp txpower.
2236 */
2237 rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
2238 criterion = rt2x00_get_field32(reg, TX_PWR_CFG_0_6MBS);
2239
2240 rt2x00_eeprom_read(rt2x00dev,
2241 EEPROM_EIRP_MAX_TX_POWER, &eeprom);
2242
2243 if (band == IEEE80211_BAND_2GHZ)
2244 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2245 EEPROM_EIRP_MAX_TX_POWER_2GHZ);
2246 else
2247 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2248 EEPROM_EIRP_MAX_TX_POWER_5GHZ);
2249
2250 eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
2251 (is_rate_b ? 4 : 0) + delta;
2252
2253 reg_limit = (eirp_txpower > power_level) ?
2254 (eirp_txpower - power_level) : 0;
2255 } else
2256 reg_limit = 0;
2257
2258 return txpower + delta - reg_limit;
2259 }
2260
2261 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
2262 enum ieee80211_band band,
2263 int power_level)
2264 {
2265 u8 txpower;
2266 u16 eeprom;
2267 int i, is_rate_b;
2268 u32 reg;
2269 u8 r1;
2270 u32 offset;
2271 int delta;
2272
2273 /*
2274 * Calculate HT40 compensation delta
2275 */
2276 delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
2277
2278 /*
2279 * calculate temperature compensation delta
2280 */
2281 delta += rt2800_get_gain_calibration_delta(rt2x00dev);
2282
2283 /*
2284 * set to normal bbp tx power control mode: +/- 0dBm
2285 */
2286 rt2800_bbp_read(rt2x00dev, 1, &r1);
2287 rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, 0);
2288 rt2800_bbp_write(rt2x00dev, 1, r1);
2289 offset = TX_PWR_CFG_0;
2290
2291 for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
2292 /* just to be safe */
2293 if (offset > TX_PWR_CFG_4)
2294 break;
2295
2296 rt2800_register_read(rt2x00dev, offset, &reg);
2297
2298 /* read the next four txpower values */
2299 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i,
2300 &eeprom);
2301
2302 is_rate_b = i ? 0 : 1;
2303 /*
2304 * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
2305 * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
2306 * TX_PWR_CFG_4: unknown
2307 */
2308 txpower = rt2x00_get_field16(eeprom,
2309 EEPROM_TXPOWER_BYRATE_RATE0);
2310 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2311 power_level, txpower, delta);
2312 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE0, txpower);
2313
2314 /*
2315 * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
2316 * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
2317 * TX_PWR_CFG_4: unknown
2318 */
2319 txpower = rt2x00_get_field16(eeprom,
2320 EEPROM_TXPOWER_BYRATE_RATE1);
2321 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2322 power_level, txpower, delta);
2323 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE1, txpower);
2324
2325 /*
2326 * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
2327 * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14,
2328 * TX_PWR_CFG_4: unknown
2329 */
2330 txpower = rt2x00_get_field16(eeprom,
2331 EEPROM_TXPOWER_BYRATE_RATE2);
2332 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2333 power_level, txpower, delta);
2334 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE2, txpower);
2335
2336 /*
2337 * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
2338 * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15,
2339 * TX_PWR_CFG_4: unknown
2340 */
2341 txpower = rt2x00_get_field16(eeprom,
2342 EEPROM_TXPOWER_BYRATE_RATE3);
2343 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2344 power_level, txpower, delta);
2345 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE3, txpower);
2346
2347 /* read the next four txpower values */
2348 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i + 1,
2349 &eeprom);
2350
2351 is_rate_b = 0;
2352 /*
2353 * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
2354 * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
2355 * TX_PWR_CFG_4: unknown
2356 */
2357 txpower = rt2x00_get_field16(eeprom,
2358 EEPROM_TXPOWER_BYRATE_RATE0);
2359 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2360 power_level, txpower, delta);
2361 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE4, txpower);
2362
2363 /*
2364 * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
2365 * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
2366 * TX_PWR_CFG_4: unknown
2367 */
2368 txpower = rt2x00_get_field16(eeprom,
2369 EEPROM_TXPOWER_BYRATE_RATE1);
2370 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2371 power_level, txpower, delta);
2372 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE5, txpower);
2373
2374 /*
2375 * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
2376 * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
2377 * TX_PWR_CFG_4: unknown
2378 */
2379 txpower = rt2x00_get_field16(eeprom,
2380 EEPROM_TXPOWER_BYRATE_RATE2);
2381 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2382 power_level, txpower, delta);
2383 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE6, txpower);
2384
2385 /*
2386 * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
2387 * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
2388 * TX_PWR_CFG_4: unknown
2389 */
2390 txpower = rt2x00_get_field16(eeprom,
2391 EEPROM_TXPOWER_BYRATE_RATE3);
2392 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
2393 power_level, txpower, delta);
2394 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE7, txpower);
2395
2396 rt2800_register_write(rt2x00dev, offset, reg);
2397
2398 /* next TX_PWR_CFG register */
2399 offset += 4;
2400 }
2401 }
2402
2403 void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
2404 {
2405 rt2800_config_txpower(rt2x00dev, rt2x00dev->curr_band,
2406 rt2x00dev->tx_power);
2407 }
2408 EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
2409
2410 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
2411 struct rt2x00lib_conf *libconf)
2412 {
2413 u32 reg;
2414
2415 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
2416 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
2417 libconf->conf->short_frame_max_tx_count);
2418 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
2419 libconf->conf->long_frame_max_tx_count);
2420 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
2421 }
2422
2423 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
2424 struct rt2x00lib_conf *libconf)
2425 {
2426 enum dev_state state =
2427 (libconf->conf->flags & IEEE80211_CONF_PS) ?
2428 STATE_SLEEP : STATE_AWAKE;
2429 u32 reg;
2430
2431 if (state == STATE_SLEEP) {
2432 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
2433
2434 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
2435 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
2436 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
2437 libconf->conf->listen_interval - 1);
2438 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
2439 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
2440
2441 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
2442 } else {
2443 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
2444 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
2445 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
2446 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
2447 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
2448
2449 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
2450 }
2451 }
2452
2453 void rt2800_config(struct rt2x00_dev *rt2x00dev,
2454 struct rt2x00lib_conf *libconf,
2455 const unsigned int flags)
2456 {
2457 /* Always recalculate LNA gain before changing configuration */
2458 rt2800_config_lna_gain(rt2x00dev, libconf);
2459
2460 if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
2461 rt2800_config_channel(rt2x00dev, libconf->conf,
2462 &libconf->rf, &libconf->channel);
2463 rt2800_config_txpower(rt2x00dev, libconf->conf->channel->band,
2464 libconf->conf->power_level);
2465 }
2466 if (flags & IEEE80211_CONF_CHANGE_POWER)
2467 rt2800_config_txpower(rt2x00dev, libconf->conf->channel->band,
2468 libconf->conf->power_level);
2469 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
2470 rt2800_config_retry_limit(rt2x00dev, libconf);
2471 if (flags & IEEE80211_CONF_CHANGE_PS)
2472 rt2800_config_ps(rt2x00dev, libconf);
2473 }
2474 EXPORT_SYMBOL_GPL(rt2800_config);
2475
2476 /*
2477 * Link tuning
2478 */
2479 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
2480 {
2481 u32 reg;
2482
2483 /*
2484 * Update FCS error count from register.
2485 */
2486 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
2487 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
2488 }
2489 EXPORT_SYMBOL_GPL(rt2800_link_stats);
2490
2491 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
2492 {
2493 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2494 if (rt2x00_rt(rt2x00dev, RT3070) ||
2495 rt2x00_rt(rt2x00dev, RT3071) ||
2496 rt2x00_rt(rt2x00dev, RT3090) ||
2497 rt2x00_rt(rt2x00dev, RT3390) ||
2498 rt2x00_rt(rt2x00dev, RT5390))
2499 return 0x1c + (2 * rt2x00dev->lna_gain);
2500 else
2501 return 0x2e + rt2x00dev->lna_gain;
2502 }
2503
2504 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2505 return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
2506 else
2507 return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
2508 }
2509
2510 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
2511 struct link_qual *qual, u8 vgc_level)
2512 {
2513 if (qual->vgc_level != vgc_level) {
2514 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
2515 qual->vgc_level = vgc_level;
2516 qual->vgc_level_reg = vgc_level;
2517 }
2518 }
2519
2520 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
2521 {
2522 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
2523 }
2524 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
2525
2526 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
2527 const u32 count)
2528 {
2529 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
2530 return;
2531
2532 /*
2533 * When RSSI is better then -80 increase VGC level with 0x10
2534 */
2535 rt2800_set_vgc(rt2x00dev, qual,
2536 rt2800_get_default_vgc(rt2x00dev) +
2537 ((qual->rssi > -80) * 0x10));
2538 }
2539 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
2540
2541 /*
2542 * Initialization functions.
2543 */
2544 static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
2545 {
2546 u32 reg;
2547 u16 eeprom;
2548 unsigned int i;
2549 int ret;
2550
2551 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
2552 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
2553 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
2554 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
2555 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
2556 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
2557 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
2558
2559 ret = rt2800_drv_init_registers(rt2x00dev);
2560 if (ret)
2561 return ret;
2562
2563 rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
2564 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
2565 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
2566 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
2567 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
2568 rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
2569
2570 rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
2571 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
2572 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
2573 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
2574 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
2575 rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
2576
2577 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
2578 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
2579
2580 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
2581
2582 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
2583 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
2584 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
2585 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
2586 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
2587 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
2588 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
2589 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
2590
2591 rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
2592
2593 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
2594 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
2595 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
2596 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
2597
2598 if (rt2x00_rt(rt2x00dev, RT3071) ||
2599 rt2x00_rt(rt2x00dev, RT3090) ||
2600 rt2x00_rt(rt2x00dev, RT3390)) {
2601 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2602 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2603 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
2604 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
2605 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
2606 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
2607 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
2608 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
2609 0x0000002c);
2610 else
2611 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
2612 0x0000000f);
2613 } else {
2614 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2615 }
2616 } else if (rt2x00_rt(rt2x00dev, RT3070)) {
2617 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2618
2619 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
2620 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2621 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
2622 } else {
2623 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2624 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2625 }
2626 } else if (rt2800_is_305x_soc(rt2x00dev)) {
2627 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2628 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
2629 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
2630 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
2631 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
2632 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2633 } else if (rt2x00_rt(rt2x00dev, RT5390)) {
2634 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
2635 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2636 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
2637 } else {
2638 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
2639 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
2640 }
2641
2642 rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
2643 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
2644 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
2645 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
2646 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
2647 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
2648 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
2649 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
2650 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
2651 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
2652
2653 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
2654 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
2655 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
2656 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
2657 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
2658
2659 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
2660 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
2661 if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
2662 rt2x00_rt(rt2x00dev, RT2883) ||
2663 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
2664 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
2665 else
2666 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
2667 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
2668 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
2669 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
2670
2671 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
2672 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
2673 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
2674 rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
2675 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
2676 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
2677 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
2678 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
2679 rt2800_register_write(rt2x00dev, LED_CFG, reg);
2680
2681 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
2682
2683 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
2684 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
2685 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
2686 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
2687 rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
2688 rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
2689 rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
2690 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
2691
2692 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
2693 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
2694 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
2695 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
2696 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
2697 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 1);
2698 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
2699 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
2700 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
2701
2702 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
2703 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
2704 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
2705 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
2706 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2707 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2708 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2709 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2710 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2711 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2712 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
2713 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
2714
2715 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
2716 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
2717 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
2718 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
2719 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2720 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2721 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2722 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2723 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2724 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2725 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
2726 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
2727
2728 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
2729 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
2730 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
2731 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
2732 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2733 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2734 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2735 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2736 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2737 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2738 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
2739 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
2740
2741 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
2742 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
2743 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
2744 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
2745 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2746 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2747 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2748 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
2749 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2750 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
2751 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
2752 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
2753
2754 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
2755 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
2756 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
2757 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
2758 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2759 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2760 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2761 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
2762 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2763 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
2764 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
2765 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
2766
2767 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
2768 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
2769 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
2770 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
2771 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
2772 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
2773 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
2774 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
2775 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
2776 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
2777 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
2778 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
2779
2780 if (rt2x00_is_usb(rt2x00dev)) {
2781 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
2782
2783 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
2784 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
2785 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
2786 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
2787 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
2788 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
2789 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
2790 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
2791 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
2792 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
2793 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
2794 }
2795
2796 /*
2797 * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
2798 * although it is reserved.
2799 */
2800 rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, &reg);
2801 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
2802 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
2803 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
2804 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
2805 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
2806 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
2807 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
2808 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
2809 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
2810 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CWMIN, 0);
2811 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
2812
2813 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
2814
2815 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
2816 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
2817 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
2818 IEEE80211_MAX_RTS_THRESHOLD);
2819 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
2820 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
2821
2822 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
2823
2824 /*
2825 * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
2826 * time should be set to 16. However, the original Ralink driver uses
2827 * 16 for both and indeed using a value of 10 for CCK SIFS results in
2828 * connection problems with 11g + CTS protection. Hence, use the same
2829 * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
2830 */
2831 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
2832 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
2833 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
2834 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
2835 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
2836 rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
2837 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
2838
2839 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
2840
2841 /*
2842 * ASIC will keep garbage value after boot, clear encryption keys.
2843 */
2844 for (i = 0; i < 4; i++)
2845 rt2800_register_write(rt2x00dev,
2846 SHARED_KEY_MODE_ENTRY(i), 0);
2847
2848 for (i = 0; i < 256; i++) {
2849 rt2800_config_wcid(rt2x00dev, NULL, i);
2850 rt2800_delete_wcid_attr(rt2x00dev, i);
2851 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
2852 }
2853
2854 /*
2855 * Clear all beacons
2856 */
2857 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE0);
2858 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE1);
2859 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE2);
2860 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE3);
2861 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE4);
2862 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE5);
2863 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE6);
2864 rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE7);
2865
2866 if (rt2x00_is_usb(rt2x00dev)) {
2867 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
2868 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 30);
2869 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
2870 } else if (rt2x00_is_pcie(rt2x00dev)) {
2871 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
2872 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
2873 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
2874 }
2875
2876 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
2877 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
2878 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
2879 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
2880 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
2881 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
2882 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
2883 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
2884 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
2885 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
2886
2887 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
2888 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
2889 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
2890 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
2891 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
2892 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
2893 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
2894 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
2895 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
2896 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
2897
2898 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
2899 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
2900 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
2901 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
2902 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
2903 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
2904 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
2905 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
2906 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
2907 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
2908
2909 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
2910 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
2911 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
2912 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
2913 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
2914 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
2915
2916 /*
2917 * Do not force the BA window size, we use the TXWI to set it
2918 */
2919 rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, &reg);
2920 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
2921 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
2922 rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
2923
2924 /*
2925 * We must clear the error counters.
2926 * These registers are cleared on read,
2927 * so we may pass a useless variable to store the value.
2928 */
2929 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
2930 rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
2931 rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
2932 rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
2933 rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
2934 rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
2935
2936 /*
2937 * Setup leadtime for pre tbtt interrupt to 6ms
2938 */
2939 rt2800_register_read(rt2x00dev, INT_TIMER_CFG, &reg);
2940 rt2x00_set_field32(&reg, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
2941 rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
2942
2943 /*
2944 * Set up channel statistics timer
2945 */
2946 rt2800_register_read(rt2x00dev, CH_TIME_CFG, &reg);
2947 rt2x00_set_field32(&reg, CH_TIME_CFG_EIFS_BUSY, 1);
2948 rt2x00_set_field32(&reg, CH_TIME_CFG_NAV_BUSY, 1);
2949 rt2x00_set_field32(&reg, CH_TIME_CFG_RX_BUSY, 1);
2950 rt2x00_set_field32(&reg, CH_TIME_CFG_TX_BUSY, 1);
2951 rt2x00_set_field32(&reg, CH_TIME_CFG_TMR_EN, 1);
2952 rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
2953
2954 return 0;
2955 }
2956
2957 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
2958 {
2959 unsigned int i;
2960 u32 reg;
2961
2962 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
2963 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
2964 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
2965 return 0;
2966
2967 udelay(REGISTER_BUSY_DELAY);
2968 }
2969
2970 ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
2971 return -EACCES;
2972 }
2973
2974 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
2975 {
2976 unsigned int i;
2977 u8 value;
2978
2979 /*
2980 * BBP was enabled after firmware was loaded,
2981 * but we need to reactivate it now.
2982 */
2983 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
2984 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
2985 msleep(1);
2986
2987 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
2988 rt2800_bbp_read(rt2x00dev, 0, &value);
2989 if ((value != 0xff) && (value != 0x00))
2990 return 0;
2991 udelay(REGISTER_BUSY_DELAY);
2992 }
2993
2994 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
2995 return -EACCES;
2996 }
2997
2998 static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
2999 {
3000 unsigned int i;
3001 u16 eeprom;
3002 u8 reg_id;
3003 u8 value;
3004
3005 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
3006 rt2800_wait_bbp_ready(rt2x00dev)))
3007 return -EACCES;
3008
3009 if (rt2x00_rt(rt2x00dev, RT5390)) {
3010 rt2800_bbp_read(rt2x00dev, 4, &value);
3011 rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
3012 rt2800_bbp_write(rt2x00dev, 4, value);
3013 }
3014
3015 if (rt2800_is_305x_soc(rt2x00dev) ||
3016 rt2x00_rt(rt2x00dev, RT3572) ||
3017 rt2x00_rt(rt2x00dev, RT5390))
3018 rt2800_bbp_write(rt2x00dev, 31, 0x08);
3019
3020 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
3021 rt2800_bbp_write(rt2x00dev, 66, 0x38);
3022
3023 if (rt2x00_rt(rt2x00dev, RT5390))
3024 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
3025
3026 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
3027 rt2800_bbp_write(rt2x00dev, 69, 0x16);
3028 rt2800_bbp_write(rt2x00dev, 73, 0x12);
3029 } else if (rt2x00_rt(rt2x00dev, RT5390)) {
3030 rt2800_bbp_write(rt2x00dev, 69, 0x12);
3031 rt2800_bbp_write(rt2x00dev, 73, 0x13);
3032 rt2800_bbp_write(rt2x00dev, 75, 0x46);
3033 rt2800_bbp_write(rt2x00dev, 76, 0x28);
3034 rt2800_bbp_write(rt2x00dev, 77, 0x59);
3035 } else {
3036 rt2800_bbp_write(rt2x00dev, 69, 0x12);
3037 rt2800_bbp_write(rt2x00dev, 73, 0x10);
3038 }
3039
3040 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3041
3042 if (rt2x00_rt(rt2x00dev, RT3070) ||
3043 rt2x00_rt(rt2x00dev, RT3071) ||
3044 rt2x00_rt(rt2x00dev, RT3090) ||
3045 rt2x00_rt(rt2x00dev, RT3390) ||
3046 rt2x00_rt(rt2x00dev, RT3572) ||
3047 rt2x00_rt(rt2x00dev, RT5390)) {
3048 rt2800_bbp_write(rt2x00dev, 79, 0x13);
3049 rt2800_bbp_write(rt2x00dev, 80, 0x05);
3050 rt2800_bbp_write(rt2x00dev, 81, 0x33);
3051 } else if (rt2800_is_305x_soc(rt2x00dev)) {
3052 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
3053 rt2800_bbp_write(rt2x00dev, 80, 0x08);
3054 } else {
3055 rt2800_bbp_write(rt2x00dev, 81, 0x37);
3056 }
3057
3058 rt2800_bbp_write(rt2x00dev, 82, 0x62);
3059 if (rt2x00_rt(rt2x00dev, RT5390))
3060 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
3061 else
3062 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
3063
3064 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
3065 rt2800_bbp_write(rt2x00dev, 84, 0x19);
3066 else if (rt2x00_rt(rt2x00dev, RT5390))
3067 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
3068 else
3069 rt2800_bbp_write(rt2x00dev, 84, 0x99);
3070
3071 if (rt2x00_rt(rt2x00dev, RT5390))
3072 rt2800_bbp_write(rt2x00dev, 86, 0x38);
3073 else
3074 rt2800_bbp_write(rt2x00dev, 86, 0x00);
3075
3076 rt2800_bbp_write(rt2x00dev, 91, 0x04);
3077
3078 if (rt2x00_rt(rt2x00dev, RT5390))
3079 rt2800_bbp_write(rt2x00dev, 92, 0x02);
3080 else
3081 rt2800_bbp_write(rt2x00dev, 92, 0x00);
3082
3083 if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
3084 rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
3085 rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E) ||
3086 rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E) ||
3087 rt2x00_rt(rt2x00dev, RT3572) ||
3088 rt2x00_rt(rt2x00dev, RT5390) ||
3089 rt2800_is_305x_soc(rt2x00dev))
3090 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
3091 else
3092 rt2800_bbp_write(rt2x00dev, 103, 0x00);
3093
3094 if (rt2x00_rt(rt2x00dev, RT5390))
3095 rt2800_bbp_write(rt2x00dev, 104, 0x92);
3096
3097 if (rt2800_is_305x_soc(rt2x00dev))
3098 rt2800_bbp_write(rt2x00dev, 105, 0x01);
3099 else if (rt2x00_rt(rt2x00dev, RT5390))
3100 rt2800_bbp_write(rt2x00dev, 105, 0x3c);
3101 else
3102 rt2800_bbp_write(rt2x00dev, 105, 0x05);
3103
3104 if (rt2x00_rt(rt2x00dev, RT5390))
3105 rt2800_bbp_write(rt2x00dev, 106, 0x03);
3106 else
3107 rt2800_bbp_write(rt2x00dev, 106, 0x35);
3108
3109 if (rt2x00_rt(rt2x00dev, RT5390))
3110 rt2800_bbp_write(rt2x00dev, 128, 0x12);
3111
3112 if (rt2x00_rt(rt2x00dev, RT3071) ||
3113 rt2x00_rt(rt2x00dev, RT3090) ||
3114 rt2x00_rt(rt2x00dev, RT3390) ||
3115 rt2x00_rt(rt2x00dev, RT3572) ||
3116 rt2x00_rt(rt2x00dev, RT5390)) {
3117 rt2800_bbp_read(rt2x00dev, 138, &value);
3118
3119 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3120 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
3121 value |= 0x20;
3122 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
3123 value &= ~0x02;
3124
3125 rt2800_bbp_write(rt2x00dev, 138, value);
3126 }
3127
3128 if (rt2x00_rt(rt2x00dev, RT5390)) {
3129 int ant, div_mode;
3130
3131 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3132 div_mode = rt2x00_get_field16(eeprom,
3133 EEPROM_NIC_CONF1_ANT_DIVERSITY);
3134 ant = (div_mode == 3) ? 1 : 0;
3135
3136 /* check if this is a Bluetooth combo card */
3137 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
3138 u32 reg;
3139
3140 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
3141 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT3, 0);
3142 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT6, 0);
3143 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT3, 0);
3144 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT6, 0);
3145 if (ant == 0)
3146 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT3, 1);
3147 else if (ant == 1)
3148 rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT6, 1);
3149 rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
3150 }
3151
3152 rt2800_bbp_read(rt2x00dev, 152, &value);
3153 if (ant == 0)
3154 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
3155 else
3156 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
3157 rt2800_bbp_write(rt2x00dev, 152, value);
3158
3159 /* Init frequency calibration */
3160 rt2800_bbp_write(rt2x00dev, 142, 1);
3161 rt2800_bbp_write(rt2x00dev, 143, 57);
3162 }
3163
3164 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
3165 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
3166
3167 if (eeprom != 0xffff && eeprom != 0x0000) {
3168 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
3169 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
3170 rt2800_bbp_write(rt2x00dev, reg_id, value);
3171 }
3172 }
3173
3174 return 0;
3175 }
3176
3177 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
3178 bool bw40, u8 rfcsr24, u8 filter_target)
3179 {
3180 unsigned int i;
3181 u8 bbp;
3182 u8 rfcsr;
3183 u8 passband;
3184 u8 stopband;
3185 u8 overtuned = 0;
3186
3187 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3188
3189 rt2800_bbp_read(rt2x00dev, 4, &bbp);
3190 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
3191 rt2800_bbp_write(rt2x00dev, 4, bbp);
3192
3193 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
3194 rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
3195 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
3196
3197 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
3198 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
3199 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
3200
3201 /*
3202 * Set power & frequency of passband test tone
3203 */
3204 rt2800_bbp_write(rt2x00dev, 24, 0);
3205
3206 for (i = 0; i < 100; i++) {
3207 rt2800_bbp_write(rt2x00dev, 25, 0x90);
3208 msleep(1);
3209
3210 rt2800_bbp_read(rt2x00dev, 55, &passband);
3211 if (passband)
3212 break;
3213 }
3214
3215 /*
3216 * Set power & frequency of stopband test tone
3217 */
3218 rt2800_bbp_write(rt2x00dev, 24, 0x06);
3219
3220 for (i = 0; i < 100; i++) {
3221 rt2800_bbp_write(rt2x00dev, 25, 0x90);
3222 msleep(1);
3223
3224 rt2800_bbp_read(rt2x00dev, 55, &stopband);
3225
3226 if ((passband - stopband) <= filter_target) {
3227 rfcsr24++;
3228 overtuned += ((passband - stopband) == filter_target);
3229 } else
3230 break;
3231
3232 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3233 }
3234
3235 rfcsr24 -= !!overtuned;
3236
3237 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
3238 return rfcsr24;
3239 }
3240
3241 static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
3242 {
3243 u8 rfcsr;
3244 u8 bbp;
3245 u32 reg;
3246 u16 eeprom;
3247
3248 if (!rt2x00_rt(rt2x00dev, RT3070) &&
3249 !rt2x00_rt(rt2x00dev, RT3071) &&
3250 !rt2x00_rt(rt2x00dev, RT3090) &&
3251 !rt2x00_rt(rt2x00dev, RT3390) &&
3252 !rt2x00_rt(rt2x00dev, RT3572) &&
3253 !rt2x00_rt(rt2x00dev, RT5390) &&
3254 !rt2800_is_305x_soc(rt2x00dev))
3255 return 0;
3256
3257 /*
3258 * Init RF calibration.
3259 */
3260 if (rt2x00_rt(rt2x00dev, RT5390)) {
3261 rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
3262 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
3263 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
3264 msleep(1);
3265 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0);
3266 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
3267 } else {
3268 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3269 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
3270 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3271 msleep(1);
3272 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
3273 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3274 }
3275
3276 if (rt2x00_rt(rt2x00dev, RT3070) ||
3277 rt2x00_rt(rt2x00dev, RT3071) ||
3278 rt2x00_rt(rt2x00dev, RT3090)) {
3279 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3280 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
3281 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
3282 rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
3283 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
3284 rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
3285 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3286 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
3287 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3288 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
3289 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
3290 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
3291 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
3292 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
3293 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
3294 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
3295 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
3296 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
3297 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
3298 } else if (rt2x00_rt(rt2x00dev, RT3390)) {
3299 rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
3300 rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
3301 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
3302 rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
3303 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3304 rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
3305 rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
3306 rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
3307 rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
3308 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
3309 rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
3310 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3311 rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
3312 rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
3313 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3314 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
3315 rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
3316 rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
3317 rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
3318 rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
3319 rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
3320 rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
3321 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3322 rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
3323 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
3324 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
3325 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
3326 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
3327 rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
3328 rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
3329 rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
3330 rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
3331 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
3332 rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
3333 rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
3334 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
3335 rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
3336 rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
3337 rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
3338 rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
3339 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
3340 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
3341 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
3342 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
3343 rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
3344 rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
3345 rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
3346 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
3347 rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
3348 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
3349 rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
3350 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
3351 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
3352 rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
3353 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3354 rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
3355 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
3356 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
3357 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
3358 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
3359 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
3360 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
3361 rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
3362 rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
3363 } else if (rt2800_is_305x_soc(rt2x00dev)) {
3364 rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
3365 rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
3366 rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
3367 rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
3368 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
3369 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
3370 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
3371 rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
3372 rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
3373 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
3374 rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
3375 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
3376 rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
3377 rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
3378 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
3379 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
3380 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
3381 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
3382 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
3383 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
3384 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
3385 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
3386 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
3387 rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
3388 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
3389 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
3390 rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
3391 rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
3392 rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
3393 rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
3394 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
3395 rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
3396 return 0;
3397 } else if (rt2x00_rt(rt2x00dev, RT5390)) {
3398 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
3399 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
3400 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
3401 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
3402 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3403 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
3404 else
3405 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
3406 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
3407 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
3408 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
3409 rt2800_rfcsr_write(rt2x00dev, 12, 0xc6);
3410 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
3411 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
3412 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
3413 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
3414 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
3415 rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
3416
3417 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
3418 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
3419 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
3420 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
3421 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
3422 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3423 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
3424 else
3425 rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
3426 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
3427 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
3428 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
3429 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
3430
3431 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
3432 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
3433 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
3434 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
3435 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
3436 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
3437 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
3438 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
3439 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
3440 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
3441
3442 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3443 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
3444 else
3445 rt2800_rfcsr_write(rt2x00dev, 40, 0x4b);
3446 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
3447 rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
3448 rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
3449 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
3450 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
3451 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3452 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
3453 else
3454 rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
3455 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
3456 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
3457 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
3458
3459 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
3460 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3461 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
3462 else
3463 rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
3464 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
3465 rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
3466 rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
3467 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
3468 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
3469 rt2800_rfcsr_write(rt2x00dev, 59, 0x63);
3470
3471 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
3472 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
3473 rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
3474 else
3475 rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
3476 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
3477 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
3478 }
3479
3480 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
3481 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3482 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3483 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3484 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3485 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
3486 rt2x00_rt(rt2x00dev, RT3090)) {
3487 rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
3488
3489 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
3490 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
3491 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
3492
3493 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3494 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3495 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3496 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
3497 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3498 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
3499 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3500 else
3501 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
3502 }
3503 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3504
3505 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
3506 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
3507 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
3508 } else if (rt2x00_rt(rt2x00dev, RT3390)) {
3509 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
3510 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
3511 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
3512 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
3513 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
3514 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
3515 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
3516
3517 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3518 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
3519 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3520 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3521 msleep(1);
3522 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
3523 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
3524 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
3525 }
3526
3527 /*
3528 * Set RX Filter calibration for 20MHz and 40MHz
3529 */
3530 if (rt2x00_rt(rt2x00dev, RT3070)) {
3531 rt2x00dev->calibration[0] =
3532 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
3533 rt2x00dev->calibration[1] =
3534 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
3535 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
3536 rt2x00_rt(rt2x00dev, RT3090) ||
3537 rt2x00_rt(rt2x00dev, RT3390) ||
3538 rt2x00_rt(rt2x00dev, RT3572)) {
3539 rt2x00dev->calibration[0] =
3540 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x13);
3541 rt2x00dev->calibration[1] =
3542 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x15);
3543 }
3544
3545 if (!rt2x00_rt(rt2x00dev, RT5390)) {
3546 /*
3547 * Set back to initial state
3548 */
3549 rt2800_bbp_write(rt2x00dev, 24, 0);
3550
3551 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
3552 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
3553 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
3554
3555 /*
3556 * Set BBP back to BW20
3557 */
3558 rt2800_bbp_read(rt2x00dev, 4, &bbp);
3559 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
3560 rt2800_bbp_write(rt2x00dev, 4, bbp);
3561 }
3562
3563 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
3564 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3565 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
3566 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
3567 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
3568
3569 rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
3570 rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
3571 rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
3572
3573 if (!rt2x00_rt(rt2x00dev, RT5390)) {
3574 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
3575 rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
3576 if (rt2x00_rt(rt2x00dev, RT3070) ||
3577 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3578 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
3579 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
3580 if (!test_bit(CAPABILITY_EXTERNAL_LNA_BG,
3581 &rt2x00dev->cap_flags))
3582 rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
3583 }
3584 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &eeprom);
3585 if (rt2x00_get_field16(eeprom, EEPROM_TXMIXER_GAIN_BG_VAL) >= 1)
3586 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
3587 rt2x00_get_field16(eeprom,
3588 EEPROM_TXMIXER_GAIN_BG_VAL));
3589 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
3590 }
3591
3592 if (rt2x00_rt(rt2x00dev, RT3090)) {
3593 rt2800_bbp_read(rt2x00dev, 138, &bbp);
3594
3595 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
3596 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3597 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
3598 rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
3599 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
3600 rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
3601
3602 rt2800_bbp_write(rt2x00dev, 138, bbp);
3603 }
3604
3605 if (rt2x00_rt(rt2x00dev, RT3071) ||
3606 rt2x00_rt(rt2x00dev, RT3090) ||
3607 rt2x00_rt(rt2x00dev, RT3390)) {
3608 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
3609 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
3610 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
3611 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
3612 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
3613 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
3614 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
3615
3616 rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
3617 rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
3618 rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
3619
3620 rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
3621 rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
3622 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
3623
3624 rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
3625 rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
3626 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
3627 }
3628
3629 if (rt2x00_rt(rt2x00dev, RT3070)) {
3630 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
3631 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
3632 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
3633 else
3634 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
3635 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
3636 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
3637 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
3638 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
3639 }
3640
3641 if (rt2x00_rt(rt2x00dev, RT5390)) {
3642 rt2800_rfcsr_read(rt2x00dev, 38, &rfcsr);
3643 rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0);
3644 rt2800_rfcsr_write(rt2x00dev, 38, rfcsr);
3645
3646 rt2800_rfcsr_read(rt2x00dev, 39, &rfcsr);
3647 rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0);
3648 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
3649
3650 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3651 rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
3652 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3653 }
3654
3655 return 0;
3656 }
3657
3658 int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
3659 {
3660 u32 reg;
3661 u16 word;
3662
3663 /*
3664 * Initialize all registers.
3665 */
3666 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
3667 rt2800_init_registers(rt2x00dev) ||
3668 rt2800_init_bbp(rt2x00dev) ||
3669 rt2800_init_rfcsr(rt2x00dev)))
3670 return -EIO;
3671
3672 /*
3673 * Send signal to firmware during boot time.
3674 */
3675 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
3676
3677 if (rt2x00_is_usb(rt2x00dev) &&
3678 (rt2x00_rt(rt2x00dev, RT3070) ||
3679 rt2x00_rt(rt2x00dev, RT3071) ||
3680 rt2x00_rt(rt2x00dev, RT3572))) {
3681 udelay(200);
3682 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
3683 udelay(10);
3684 }
3685
3686 /*
3687 * Enable RX.
3688 */
3689 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
3690 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
3691 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
3692 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
3693
3694 udelay(50);
3695
3696 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
3697 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
3698 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
3699 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
3700 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
3701 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
3702
3703 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
3704 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
3705 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
3706 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
3707
3708 /*
3709 * Initialize LED control
3710 */
3711 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF, &word);
3712 rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
3713 word & 0xff, (word >> 8) & 0xff);
3714
3715 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF, &word);
3716 rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
3717 word & 0xff, (word >> 8) & 0xff);
3718
3719 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY, &word);
3720 rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
3721 word & 0xff, (word >> 8) & 0xff);
3722
3723 return 0;
3724 }
3725 EXPORT_SYMBOL_GPL(rt2800_enable_radio);
3726
3727 void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
3728 {
3729 u32 reg;
3730
3731 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
3732 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
3733 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
3734 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
3735
3736 /* Wait for DMA, ignore error */
3737 rt2800_wait_wpdma_ready(rt2x00dev);
3738
3739 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
3740 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
3741 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
3742 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
3743 }
3744 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
3745
3746 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
3747 {
3748 u32 reg;
3749
3750 rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
3751
3752 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
3753 }
3754 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
3755
3756 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
3757 {
3758 u32 reg;
3759
3760 mutex_lock(&rt2x00dev->csr_mutex);
3761
3762 rt2800_register_read_lock(rt2x00dev, EFUSE_CTRL, &reg);
3763 rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
3764 rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
3765 rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
3766 rt2800_register_write_lock(rt2x00dev, EFUSE_CTRL, reg);
3767
3768 /* Wait until the EEPROM has been loaded */
3769 rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
3770
3771 /* Apparently the data is read from end to start */
3772 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, &reg);
3773 /* The returned value is in CPU order, but eeprom is le */
3774 rt2x00dev->eeprom[i] = cpu_to_le32(reg);
3775 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, &reg);
3776 *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
3777 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, &reg);
3778 *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
3779 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0, &reg);
3780 *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
3781
3782 mutex_unlock(&rt2x00dev->csr_mutex);
3783 }
3784
3785 void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
3786 {
3787 unsigned int i;
3788
3789 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
3790 rt2800_efuse_read(rt2x00dev, i);
3791 }
3792 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
3793
3794 int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
3795 {
3796 u16 word;
3797 u8 *mac;
3798 u8 default_lna_gain;
3799
3800 /*
3801 * Start validation of the data that has been read.
3802 */
3803 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
3804 if (!is_valid_ether_addr(mac)) {
3805 random_ether_addr(mac);
3806 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
3807 }
3808
3809 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word);
3810 if (word == 0xffff) {
3811 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
3812 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
3813 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
3814 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
3815 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
3816 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
3817 rt2x00_rt(rt2x00dev, RT2872)) {
3818 /*
3819 * There is a max of 2 RX streams for RT28x0 series
3820 */
3821 if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
3822 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
3823 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
3824 }
3825
3826 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &word);
3827 if (word == 0xffff) {
3828 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
3829 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
3830 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
3831 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
3832 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
3833 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
3834 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
3835 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
3836 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
3837 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
3838 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
3839 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
3840 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
3841 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
3842 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
3843 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
3844 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
3845 }
3846
3847 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
3848 if ((word & 0x00ff) == 0x00ff) {
3849 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
3850 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
3851 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
3852 }
3853 if ((word & 0xff00) == 0xff00) {
3854 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
3855 LED_MODE_TXRX_ACTIVITY);
3856 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
3857 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
3858 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
3859 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
3860 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
3861 EEPROM(rt2x00dev, "Led Mode: 0x%04x\n", word);
3862 }
3863
3864 /*
3865 * During the LNA validation we are going to use
3866 * lna0 as correct value. Note that EEPROM_LNA
3867 * is never validated.
3868 */
3869 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
3870 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
3871
3872 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
3873 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
3874 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
3875 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
3876 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
3877 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
3878
3879 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
3880 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
3881 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
3882 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
3883 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
3884 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
3885 default_lna_gain);
3886 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
3887
3888 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
3889 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
3890 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
3891 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
3892 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
3893 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
3894
3895 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
3896 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
3897 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
3898 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
3899 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
3900 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
3901 default_lna_gain);
3902 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
3903
3904 return 0;
3905 }
3906 EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
3907
3908 int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
3909 {
3910 u32 reg;
3911 u16 value;
3912 u16 eeprom;
3913
3914 /*
3915 * Read EEPROM word for configuration.
3916 */
3917 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3918
3919 /*
3920 * Identify RF chipset by EEPROM value
3921 * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
3922 * RT53xx: defined in "EEPROM_CHIP_ID" field
3923 */
3924 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
3925 if (rt2x00_get_field32(reg, MAC_CSR0_CHIPSET) == RT5390)
3926 rt2x00_eeprom_read(rt2x00dev, EEPROM_CHIP_ID, &value);
3927 else
3928 value = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
3929
3930 rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
3931 value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
3932
3933 if (!rt2x00_rt(rt2x00dev, RT2860) &&
3934 !rt2x00_rt(rt2x00dev, RT2872) &&
3935 !rt2x00_rt(rt2x00dev, RT2883) &&
3936 !rt2x00_rt(rt2x00dev, RT3070) &&
3937 !rt2x00_rt(rt2x00dev, RT3071) &&
3938 !rt2x00_rt(rt2x00dev, RT3090) &&
3939 !rt2x00_rt(rt2x00dev, RT3390) &&
3940 !rt2x00_rt(rt2x00dev, RT3572) &&
3941 !rt2x00_rt(rt2x00dev, RT5390)) {
3942 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
3943 return -ENODEV;
3944 }
3945
3946 switch (rt2x00dev->chip.rf) {
3947 case RF2820:
3948 case RF2850:
3949 case RF2720:
3950 case RF2750:
3951 case RF3020:
3952 case RF2020:
3953 case RF3021:
3954 case RF3022:
3955 case RF3052:
3956 case RF3320:
3957 case RF5370:
3958 case RF5390:
3959 break;
3960 default:
3961 ERROR(rt2x00dev, "Invalid RF chipset 0x%x detected.\n",
3962 rt2x00dev->chip.rf);
3963 return -ENODEV;
3964 }
3965
3966 /*
3967 * Identify default antenna configuration.
3968 */
3969 rt2x00dev->default_ant.tx_chain_num =
3970 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
3971 rt2x00dev->default_ant.rx_chain_num =
3972 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
3973
3974 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3975
3976 if (rt2x00_rt(rt2x00dev, RT3070) ||
3977 rt2x00_rt(rt2x00dev, RT3090) ||
3978 rt2x00_rt(rt2x00dev, RT3390)) {
3979 value = rt2x00_get_field16(eeprom,
3980 EEPROM_NIC_CONF1_ANT_DIVERSITY);
3981 switch (value) {
3982 case 0:
3983 case 1:
3984 case 2:
3985 rt2x00dev->default_ant.tx = ANTENNA_A;
3986 rt2x00dev->default_ant.rx = ANTENNA_A;
3987 break;
3988 case 3:
3989 rt2x00dev->default_ant.tx = ANTENNA_A;
3990 rt2x00dev->default_ant.rx = ANTENNA_B;
3991 break;
3992 }
3993 } else {
3994 rt2x00dev->default_ant.tx = ANTENNA_A;
3995 rt2x00dev->default_ant.rx = ANTENNA_A;
3996 }
3997
3998 /*
3999 * Determine external LNA informations.
4000 */
4001 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
4002 __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
4003 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
4004 __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
4005
4006 /*
4007 * Detect if this device has an hardware controlled radio.
4008 */
4009 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
4010 __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
4011
4012 /*
4013 * Detect if this device has Bluetooth co-existence.
4014 */
4015 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
4016 __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
4017
4018 /*
4019 * Read frequency offset and RF programming sequence.
4020 */
4021 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
4022 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
4023
4024 /*
4025 * Store led settings, for correct led behaviour.
4026 */
4027 #ifdef CONFIG_RT2X00_LIB_LEDS
4028 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
4029 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
4030 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
4031
4032 rt2x00dev->led_mcu_reg = eeprom;
4033 #endif /* CONFIG_RT2X00_LIB_LEDS */
4034
4035 /*
4036 * Check if support EIRP tx power limit feature.
4037 */
4038 rt2x00_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom);
4039
4040 if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
4041 EIRP_MAX_TX_POWER_LIMIT)
4042 __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
4043
4044 return 0;
4045 }
4046 EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
4047
4048 /*
4049 * RF value list for rt28xx
4050 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
4051 */
4052 static const struct rf_channel rf_vals[] = {
4053 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
4054 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
4055 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
4056 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
4057 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
4058 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
4059 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
4060 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
4061 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
4062 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
4063 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
4064 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
4065 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
4066 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
4067
4068 /* 802.11 UNI / HyperLan 2 */
4069 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
4070 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
4071 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
4072 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
4073 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
4074 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
4075 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
4076 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
4077 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
4078 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
4079 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
4080 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
4081
4082 /* 802.11 HyperLan 2 */
4083 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
4084 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
4085 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
4086 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
4087 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
4088 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
4089 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
4090 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
4091 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
4092 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
4093 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
4094 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
4095 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
4096 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
4097 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
4098 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
4099
4100 /* 802.11 UNII */
4101 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
4102 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
4103 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
4104 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
4105 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
4106 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
4107 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
4108 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
4109 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
4110 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
4111 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
4112
4113 /* 802.11 Japan */
4114 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
4115 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
4116 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
4117 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
4118 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
4119 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
4120 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
4121 };
4122
4123 /*
4124 * RF value list for rt3xxx
4125 * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052)
4126 */
4127 static const struct rf_channel rf_vals_3x[] = {
4128 {1, 241, 2, 2 },
4129 {2, 241, 2, 7 },
4130 {3, 242, 2, 2 },
4131 {4, 242, 2, 7 },
4132 {5, 243, 2, 2 },
4133 {6, 243, 2, 7 },
4134 {7, 244, 2, 2 },
4135 {8, 244, 2, 7 },
4136 {9, 245, 2, 2 },
4137 {10, 245, 2, 7 },
4138 {11, 246, 2, 2 },
4139 {12, 246, 2, 7 },
4140 {13, 247, 2, 2 },
4141 {14, 248, 2, 4 },
4142
4143 /* 802.11 UNI / HyperLan 2 */
4144 {36, 0x56, 0, 4},
4145 {38, 0x56, 0, 6},
4146 {40, 0x56, 0, 8},
4147 {44, 0x57, 0, 0},
4148 {46, 0x57, 0, 2},
4149 {48, 0x57, 0, 4},
4150 {52, 0x57, 0, 8},
4151 {54, 0x57, 0, 10},
4152 {56, 0x58, 0, 0},
4153 {60, 0x58, 0, 4},
4154 {62, 0x58, 0, 6},
4155 {64, 0x58, 0, 8},
4156
4157 /* 802.11 HyperLan 2 */
4158 {100, 0x5b, 0, 8},
4159 {102, 0x5b, 0, 10},
4160 {104, 0x5c, 0, 0},
4161 {108, 0x5c, 0, 4},
4162 {110, 0x5c, 0, 6},
4163 {112, 0x5c, 0, 8},
4164 {116, 0x5d, 0, 0},
4165 {118, 0x5d, 0, 2},
4166 {120, 0x5d, 0, 4},
4167 {124, 0x5d, 0, 8},
4168 {126, 0x5d, 0, 10},
4169 {128, 0x5e, 0, 0},
4170 {132, 0x5e, 0, 4},
4171 {134, 0x5e, 0, 6},
4172 {136, 0x5e, 0, 8},
4173 {140, 0x5f, 0, 0},
4174
4175 /* 802.11 UNII */
4176 {149, 0x5f, 0, 9},
4177 {151, 0x5f, 0, 11},
4178 {153, 0x60, 0, 1},
4179 {157, 0x60, 0, 5},
4180 {159, 0x60, 0, 7},
4181 {161, 0x60, 0, 9},
4182 {165, 0x61, 0, 1},
4183 {167, 0x61, 0, 3},
4184 {169, 0x61, 0, 5},
4185 {171, 0x61, 0, 7},
4186 {173, 0x61, 0, 9},
4187 };
4188
4189 int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
4190 {
4191 struct hw_mode_spec *spec = &rt2x00dev->spec;
4192 struct channel_info *info;
4193 char *default_power1;
4194 char *default_power2;
4195 unsigned int i;
4196 u16 eeprom;
4197
4198 /*
4199 * Disable powersaving as default on PCI devices.
4200 */
4201 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
4202 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
4203
4204 /*
4205 * Initialize all hw fields.
4206 */
4207 rt2x00dev->hw->flags =
4208 IEEE80211_HW_SIGNAL_DBM |
4209 IEEE80211_HW_SUPPORTS_PS |
4210 IEEE80211_HW_PS_NULLFUNC_STACK |
4211 IEEE80211_HW_AMPDU_AGGREGATION;
4212 /*
4213 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
4214 * unless we are capable of sending the buffered frames out after the
4215 * DTIM transmission using rt2x00lib_beacondone. This will send out
4216 * multicast and broadcast traffic immediately instead of buffering it
4217 * infinitly and thus dropping it after some time.
4218 */
4219 if (!rt2x00_is_usb(rt2x00dev))
4220 rt2x00dev->hw->flags |=
4221 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
4222
4223 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
4224 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
4225 rt2x00_eeprom_addr(rt2x00dev,
4226 EEPROM_MAC_ADDR_0));
4227
4228 /*
4229 * As rt2800 has a global fallback table we cannot specify
4230 * more then one tx rate per frame but since the hw will
4231 * try several rates (based on the fallback table) we should
4232 * initialize max_report_rates to the maximum number of rates
4233 * we are going to try. Otherwise mac80211 will truncate our
4234 * reported tx rates and the rc algortihm will end up with
4235 * incorrect data.
4236 */
4237 rt2x00dev->hw->max_rates = 1;
4238 rt2x00dev->hw->max_report_rates = 7;
4239 rt2x00dev->hw->max_rate_tries = 1;
4240
4241 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
4242
4243 /*
4244 * Initialize hw_mode information.
4245 */
4246 spec->supported_bands = SUPPORT_BAND_2GHZ;
4247 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
4248
4249 if (rt2x00_rf(rt2x00dev, RF2820) ||
4250 rt2x00_rf(rt2x00dev, RF2720)) {
4251 spec->num_channels = 14;
4252 spec->channels = rf_vals;
4253 } else if (rt2x00_rf(rt2x00dev, RF2850) ||
4254 rt2x00_rf(rt2x00dev, RF2750)) {
4255 spec->supported_bands |= SUPPORT_BAND_5GHZ;
4256 spec->num_channels = ARRAY_SIZE(rf_vals);
4257 spec->channels = rf_vals;
4258 } else if (rt2x00_rf(rt2x00dev, RF3020) ||
4259 rt2x00_rf(rt2x00dev, RF2020) ||
4260 rt2x00_rf(rt2x00dev, RF3021) ||
4261 rt2x00_rf(rt2x00dev, RF3022) ||
4262 rt2x00_rf(rt2x00dev, RF3320) ||
4263 rt2x00_rf(rt2x00dev, RF5370) ||
4264 rt2x00_rf(rt2x00dev, RF5390)) {
4265 spec->num_channels = 14;
4266 spec->channels = rf_vals_3x;
4267 } else if (rt2x00_rf(rt2x00dev, RF3052)) {
4268 spec->supported_bands |= SUPPORT_BAND_5GHZ;
4269 spec->num_channels = ARRAY_SIZE(rf_vals_3x);
4270 spec->channels = rf_vals_3x;
4271 }
4272
4273 /*
4274 * Initialize HT information.
4275 */
4276 if (!rt2x00_rf(rt2x00dev, RF2020))
4277 spec->ht.ht_supported = true;
4278 else
4279 spec->ht.ht_supported = false;
4280
4281 spec->ht.cap =
4282 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
4283 IEEE80211_HT_CAP_GRN_FLD |
4284 IEEE80211_HT_CAP_SGI_20 |
4285 IEEE80211_HT_CAP_SGI_40;
4286
4287 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) >= 2)
4288 spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
4289
4290 spec->ht.cap |=
4291 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) <<
4292 IEEE80211_HT_CAP_RX_STBC_SHIFT;
4293
4294 spec->ht.ampdu_factor = 3;
4295 spec->ht.ampdu_density = 4;
4296 spec->ht.mcs.tx_params =
4297 IEEE80211_HT_MCS_TX_DEFINED |
4298 IEEE80211_HT_MCS_TX_RX_DIFF |
4299 ((rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) - 1) <<
4300 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
4301
4302 switch (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH)) {
4303 case 3:
4304 spec->ht.mcs.rx_mask[2] = 0xff;
4305 case 2:
4306 spec->ht.mcs.rx_mask[1] = 0xff;
4307 case 1:
4308 spec->ht.mcs.rx_mask[0] = 0xff;
4309 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
4310 break;
4311 }
4312
4313 /*
4314 * Create channel information array
4315 */
4316 info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
4317 if (!info)
4318 return -ENOMEM;
4319
4320 spec->channels_info = info;
4321
4322 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
4323 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
4324
4325 for (i = 0; i < 14; i++) {
4326 info[i].default_power1 = default_power1[i];
4327 info[i].default_power2 = default_power2[i];
4328 }
4329
4330 if (spec->num_channels > 14) {
4331 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
4332 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
4333
4334 for (i = 14; i < spec->num_channels; i++) {
4335 info[i].default_power1 = default_power1[i];
4336 info[i].default_power2 = default_power2[i];
4337 }
4338 }
4339
4340 return 0;
4341 }
4342 EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode);
4343
4344 /*
4345 * IEEE80211 stack callback functions.
4346 */
4347 void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32,
4348 u16 *iv16)
4349 {
4350 struct rt2x00_dev *rt2x00dev = hw->priv;
4351 struct mac_iveiv_entry iveiv_entry;
4352 u32 offset;
4353
4354 offset = MAC_IVEIV_ENTRY(hw_key_idx);
4355 rt2800_register_multiread(rt2x00dev, offset,
4356 &iveiv_entry, sizeof(iveiv_entry));
4357
4358 memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16));
4359 memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32));
4360 }
4361 EXPORT_SYMBOL_GPL(rt2800_get_tkip_seq);
4362
4363 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
4364 {
4365 struct rt2x00_dev *rt2x00dev = hw->priv;
4366 u32 reg;
4367 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
4368
4369 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
4370 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
4371 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
4372
4373 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
4374 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
4375 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
4376
4377 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
4378 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
4379 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
4380
4381 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
4382 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
4383 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
4384
4385 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
4386 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
4387 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
4388
4389 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
4390 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
4391 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
4392
4393 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
4394 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
4395 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
4396
4397 return 0;
4398 }
4399 EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
4400
4401 int rt2800_conf_tx(struct ieee80211_hw *hw,
4402 struct ieee80211_vif *vif, u16 queue_idx,
4403 const struct ieee80211_tx_queue_params *params)
4404 {
4405 struct rt2x00_dev *rt2x00dev = hw->priv;
4406 struct data_queue *queue;
4407 struct rt2x00_field32 field;
4408 int retval;
4409 u32 reg;
4410 u32 offset;
4411
4412 /*
4413 * First pass the configuration through rt2x00lib, that will
4414 * update the queue settings and validate the input. After that
4415 * we are free to update the registers based on the value
4416 * in the queue parameter.
4417 */
4418 retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
4419 if (retval)
4420 return retval;
4421
4422 /*
4423 * We only need to perform additional register initialization
4424 * for WMM queues/
4425 */
4426 if (queue_idx >= 4)
4427 return 0;
4428
4429 queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
4430
4431 /* Update WMM TXOP register */
4432 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
4433 field.bit_offset = (queue_idx & 1) * 16;
4434 field.bit_mask = 0xffff << field.bit_offset;
4435
4436 rt2800_register_read(rt2x00dev, offset, &reg);
4437 rt2x00_set_field32(&reg, field, queue->txop);
4438 rt2800_register_write(rt2x00dev, offset, reg);
4439
4440 /* Update WMM registers */
4441 field.bit_offset = queue_idx * 4;
4442 field.bit_mask = 0xf << field.bit_offset;
4443
4444 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
4445 rt2x00_set_field32(&reg, field, queue->aifs);
4446 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
4447
4448 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
4449 rt2x00_set_field32(&reg, field, queue->cw_min);
4450 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
4451
4452 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
4453 rt2x00_set_field32(&reg, field, queue->cw_max);
4454 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
4455
4456 /* Update EDCA registers */
4457 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
4458
4459 rt2800_register_read(rt2x00dev, offset, &reg);
4460 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
4461 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
4462 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
4463 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
4464 rt2800_register_write(rt2x00dev, offset, reg);
4465
4466 return 0;
4467 }
4468 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
4469
4470 u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
4471 {
4472 struct rt2x00_dev *rt2x00dev = hw->priv;
4473 u64 tsf;
4474 u32 reg;
4475
4476 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
4477 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
4478 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
4479 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
4480
4481 return tsf;
4482 }
4483 EXPORT_SYMBOL_GPL(rt2800_get_tsf);
4484
4485 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
4486 enum ieee80211_ampdu_mlme_action action,
4487 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
4488 u8 buf_size)
4489 {
4490 struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
4491 int ret = 0;
4492
4493 /*
4494 * Don't allow aggregation for stations the hardware isn't aware
4495 * of because tx status reports for frames to an unknown station
4496 * always contain wcid=255 and thus we can't distinguish between
4497 * multiple stations which leads to unwanted situations when the
4498 * hw reorders frames due to aggregation.
4499 */
4500 if (sta_priv->wcid < 0)
4501 return 1;
4502
4503 switch (action) {
4504 case IEEE80211_AMPDU_RX_START:
4505 case IEEE80211_AMPDU_RX_STOP:
4506 /*
4507 * The hw itself takes care of setting up BlockAck mechanisms.
4508 * So, we only have to allow mac80211 to nagotiate a BlockAck
4509 * agreement. Once that is done, the hw will BlockAck incoming
4510 * AMPDUs without further setup.
4511 */
4512 break;
4513 case IEEE80211_AMPDU_TX_START:
4514 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
4515 break;
4516 case IEEE80211_AMPDU_TX_STOP:
4517 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
4518 break;
4519 case IEEE80211_AMPDU_TX_OPERATIONAL:
4520 break;
4521 default:
4522 WARNING((struct rt2x00_dev *)hw->priv, "Unknown AMPDU action\n");
4523 }
4524
4525 return ret;
4526 }
4527 EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
4528
4529 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
4530 struct survey_info *survey)
4531 {
4532 struct rt2x00_dev *rt2x00dev = hw->priv;
4533 struct ieee80211_conf *conf = &hw->conf;
4534 u32 idle, busy, busy_ext;
4535
4536 if (idx != 0)
4537 return -ENOENT;
4538
4539 survey->channel = conf->channel;
4540
4541 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle);
4542 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy);
4543 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext);
4544
4545 if (idle || busy) {
4546 survey->filled = SURVEY_INFO_CHANNEL_TIME |
4547 SURVEY_INFO_CHANNEL_TIME_BUSY |
4548 SURVEY_INFO_CHANNEL_TIME_EXT_BUSY;
4549
4550 survey->channel_time = (idle + busy) / 1000;
4551 survey->channel_time_busy = busy / 1000;
4552 survey->channel_time_ext_busy = busy_ext / 1000;
4553 }
4554
4555 return 0;
4556
4557 }
4558 EXPORT_SYMBOL_GPL(rt2800_get_survey);
4559
4560 MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
4561 MODULE_VERSION(DRV_VERSION);
4562 MODULE_DESCRIPTION("Ralink RT2800 library");
4563 MODULE_LICENSE("GPL");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree