2 * Copyright (c) 2008-2010 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include "ar9002_phy.h"
22 /* All code below is for non single-chip solutions */
25 * ar5008_hw_phy_modify_rx_buffer() - perform analog swizzling of parameters
32 * Performs analog "swizzling" of parameters into their location.
33 * Used on external AR2133/AR5133 radios.
35 static void ar5008_hw_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
36 u32 numBits, u32 firstBit,
39 u32 tmp32, mask, arrayEntry, lastBit;
40 int32_t bitPosition, bitsLeft;
42 tmp32 = ath9k_hw_reverse_bits(reg32, numBits);
43 arrayEntry = (firstBit - 1) / 8;
44 bitPosition = (firstBit - 1) % 8;
46 while (bitsLeft > 0) {
47 lastBit = (bitPosition + bitsLeft > 8) ?
48 8 : bitPosition + bitsLeft;
49 mask = (((1 << lastBit) - 1) ^ ((1 << bitPosition) - 1)) <<
51 rfBuf[arrayEntry] &= ~mask;
52 rfBuf[arrayEntry] |= ((tmp32 << bitPosition) <<
54 bitsLeft -= 8 - bitPosition;
55 tmp32 = tmp32 >> (8 - bitPosition);
62 * Fix on 2.4 GHz band for orientation sensitivity issue by increasing
68 * if synth_freq < 2412
70 * else if 2412 <= synth_freq <= 2422
72 * else // synth_freq > 2422
74 * else if forceBias > 0
75 * bias = forceBias & 7
77 * no change, use value from ini file
79 * no change, invalid band
82 * 2422 also uses value of 2
86 * Less than 2412 uses value of 0, 2412 and above uses value of 2
88 static void ar5008_hw_force_bias(struct ath_hw *ah, u16 synth_freq)
90 struct ath_common *common = ath9k_hw_common(ah);
95 if (!AR_SREV_5416(ah) || synth_freq >= 3000)
98 BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
100 if (synth_freq < 2412)
102 else if (synth_freq < 2422)
107 /* pre-reverse this field */
108 tmp_reg = ath9k_hw_reverse_bits(new_bias, 3);
110 ath_print(common, ATH_DBG_CONFIG,
111 "Force rf_pwd_icsyndiv to %1d on %4d\n",
112 new_bias, synth_freq);
114 /* swizzle rf_pwd_icsyndiv */
115 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data, tmp_reg, 3, 181, 3);
117 /* write Bank 6 with new params */
118 REG_WRITE_RF_ARRAY(&ah->iniBank6, ah->analogBank6Data, reg_writes);
122 * ar5008_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
123 * @ah: atheros hardware stucture
126 * For the external AR2133/AR5133 radios, takes the MHz channel value and set
127 * the channel value. Assumes writes enabled to analog bus and bank6 register
128 * cache in ah->analogBank6Data.
130 static int ar5008_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
132 struct ath_common *common = ath9k_hw_common(ah);
138 struct chan_centers centers;
140 ath9k_hw_get_channel_centers(ah, chan, ¢ers);
141 freq = centers.synth_center;
146 if (((freq - 2192) % 5) == 0) {
147 channelSel = ((freq - 672) * 2 - 3040) / 10;
149 } else if (((freq - 2224) % 5) == 0) {
150 channelSel = ((freq - 704) * 2 - 3040) / 10;
153 ath_print(common, ATH_DBG_FATAL,
154 "Invalid channel %u MHz\n", freq);
158 channelSel = (channelSel << 2) & 0xff;
159 channelSel = ath9k_hw_reverse_bits(channelSel, 8);
161 txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
164 REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
165 txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
167 REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
168 txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN);
171 } else if ((freq % 20) == 0 && freq >= 5120) {
173 ath9k_hw_reverse_bits(((freq - 4800) / 20 << 2), 8);
174 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
175 } else if ((freq % 10) == 0) {
177 ath9k_hw_reverse_bits(((freq - 4800) / 10 << 1), 8);
178 if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
179 aModeRefSel = ath9k_hw_reverse_bits(2, 2);
181 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
182 } else if ((freq % 5) == 0) {
183 channelSel = ath9k_hw_reverse_bits((freq - 4800) / 5, 8);
184 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
186 ath_print(common, ATH_DBG_FATAL,
187 "Invalid channel %u MHz\n", freq);
191 ar5008_hw_force_bias(ah, freq);
194 (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
197 REG_WRITE(ah, AR_PHY(0x37), reg32);
200 ah->curchan_rad_index = -1;
206 * ar5008_hw_spur_mitigate - convert baseband spur frequency for external radios
207 * @ah: atheros hardware structure
210 * For non single-chip solutions. Converts to baseband spur frequency given the
211 * input channel frequency and compute register settings below.
213 static void ar5008_hw_spur_mitigate(struct ath_hw *ah,
214 struct ath9k_channel *chan)
216 int bb_spur = AR_NO_SPUR;
219 int spur_delta_phase;
221 int upper, lower, cur_vit_mask;
224 int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
225 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
227 int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
228 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
230 int inc[4] = { 0, 100, 0, 0 };
237 bool is2GHz = IS_CHAN_2GHZ(chan);
239 memset(&mask_m, 0, sizeof(int8_t) * 123);
240 memset(&mask_p, 0, sizeof(int8_t) * 123);
242 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
243 cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
244 if (AR_NO_SPUR == cur_bb_spur)
246 cur_bb_spur = cur_bb_spur - (chan->channel * 10);
247 if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
248 bb_spur = cur_bb_spur;
253 if (AR_NO_SPUR == bb_spur)
258 tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
259 new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
260 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
261 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
262 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
264 REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
266 new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
267 AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
268 AR_PHY_SPUR_REG_MASK_RATE_SELECT |
269 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
270 SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
271 REG_WRITE(ah, AR_PHY_SPUR_REG, new);
273 spur_delta_phase = ((bb_spur * 524288) / 100) &
274 AR_PHY_TIMING11_SPUR_DELTA_PHASE;
276 denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
277 spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
279 new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
280 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
281 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
282 REG_WRITE(ah, AR_PHY_TIMING11, new);
288 for (i = 0; i < 4; i++) {
292 for (bp = 0; bp < 30; bp++) {
293 if ((cur_bin > lower) && (cur_bin < upper)) {
294 pilot_mask = pilot_mask | 0x1 << bp;
295 chan_mask = chan_mask | 0x1 << bp;
300 REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
301 REG_WRITE(ah, chan_mask_reg[i], chan_mask);
308 for (i = 0; i < 123; i++) {
309 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
311 /* workaround for gcc bug #37014 */
312 volatile int tmp_v = abs(cur_vit_mask - bin);
318 if (cur_vit_mask < 0)
319 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
321 mask_p[cur_vit_mask / 100] = mask_amt;
326 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
327 | (mask_m[48] << 26) | (mask_m[49] << 24)
328 | (mask_m[50] << 22) | (mask_m[51] << 20)
329 | (mask_m[52] << 18) | (mask_m[53] << 16)
330 | (mask_m[54] << 14) | (mask_m[55] << 12)
331 | (mask_m[56] << 10) | (mask_m[57] << 8)
332 | (mask_m[58] << 6) | (mask_m[59] << 4)
333 | (mask_m[60] << 2) | (mask_m[61] << 0);
334 REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
335 REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
337 tmp_mask = (mask_m[31] << 28)
338 | (mask_m[32] << 26) | (mask_m[33] << 24)
339 | (mask_m[34] << 22) | (mask_m[35] << 20)
340 | (mask_m[36] << 18) | (mask_m[37] << 16)
341 | (mask_m[48] << 14) | (mask_m[39] << 12)
342 | (mask_m[40] << 10) | (mask_m[41] << 8)
343 | (mask_m[42] << 6) | (mask_m[43] << 4)
344 | (mask_m[44] << 2) | (mask_m[45] << 0);
345 REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
346 REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
348 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
349 | (mask_m[18] << 26) | (mask_m[18] << 24)
350 | (mask_m[20] << 22) | (mask_m[20] << 20)
351 | (mask_m[22] << 18) | (mask_m[22] << 16)
352 | (mask_m[24] << 14) | (mask_m[24] << 12)
353 | (mask_m[25] << 10) | (mask_m[26] << 8)
354 | (mask_m[27] << 6) | (mask_m[28] << 4)
355 | (mask_m[29] << 2) | (mask_m[30] << 0);
356 REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
357 REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
359 tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
360 | (mask_m[2] << 26) | (mask_m[3] << 24)
361 | (mask_m[4] << 22) | (mask_m[5] << 20)
362 | (mask_m[6] << 18) | (mask_m[7] << 16)
363 | (mask_m[8] << 14) | (mask_m[9] << 12)
364 | (mask_m[10] << 10) | (mask_m[11] << 8)
365 | (mask_m[12] << 6) | (mask_m[13] << 4)
366 | (mask_m[14] << 2) | (mask_m[15] << 0);
367 REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
368 REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
370 tmp_mask = (mask_p[15] << 28)
371 | (mask_p[14] << 26) | (mask_p[13] << 24)
372 | (mask_p[12] << 22) | (mask_p[11] << 20)
373 | (mask_p[10] << 18) | (mask_p[9] << 16)
374 | (mask_p[8] << 14) | (mask_p[7] << 12)
375 | (mask_p[6] << 10) | (mask_p[5] << 8)
376 | (mask_p[4] << 6) | (mask_p[3] << 4)
377 | (mask_p[2] << 2) | (mask_p[1] << 0);
378 REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
379 REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
381 tmp_mask = (mask_p[30] << 28)
382 | (mask_p[29] << 26) | (mask_p[28] << 24)
383 | (mask_p[27] << 22) | (mask_p[26] << 20)
384 | (mask_p[25] << 18) | (mask_p[24] << 16)
385 | (mask_p[23] << 14) | (mask_p[22] << 12)
386 | (mask_p[21] << 10) | (mask_p[20] << 8)
387 | (mask_p[19] << 6) | (mask_p[18] << 4)
388 | (mask_p[17] << 2) | (mask_p[16] << 0);
389 REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
390 REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
392 tmp_mask = (mask_p[45] << 28)
393 | (mask_p[44] << 26) | (mask_p[43] << 24)
394 | (mask_p[42] << 22) | (mask_p[41] << 20)
395 | (mask_p[40] << 18) | (mask_p[39] << 16)
396 | (mask_p[38] << 14) | (mask_p[37] << 12)
397 | (mask_p[36] << 10) | (mask_p[35] << 8)
398 | (mask_p[34] << 6) | (mask_p[33] << 4)
399 | (mask_p[32] << 2) | (mask_p[31] << 0);
400 REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
401 REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
403 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
404 | (mask_p[59] << 26) | (mask_p[58] << 24)
405 | (mask_p[57] << 22) | (mask_p[56] << 20)
406 | (mask_p[55] << 18) | (mask_p[54] << 16)
407 | (mask_p[53] << 14) | (mask_p[52] << 12)
408 | (mask_p[51] << 10) | (mask_p[50] << 8)
409 | (mask_p[49] << 6) | (mask_p[48] << 4)
410 | (mask_p[47] << 2) | (mask_p[46] << 0);
411 REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
412 REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
416 * ar5008_hw_rf_alloc_ext_banks - allocates banks for external radio programming
417 * @ah: atheros hardware structure
419 * Only required for older devices with external AR2133/AR5133 radios.
421 static int ar5008_hw_rf_alloc_ext_banks(struct ath_hw *ah)
423 #define ATH_ALLOC_BANK(bank, size) do { \
424 bank = kzalloc((sizeof(u32) * size), GFP_KERNEL); \
426 ath_print(common, ATH_DBG_FATAL, \
427 "Cannot allocate RF banks\n"); \
432 struct ath_common *common = ath9k_hw_common(ah);
434 BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
436 ATH_ALLOC_BANK(ah->analogBank0Data, ah->iniBank0.ia_rows);
437 ATH_ALLOC_BANK(ah->analogBank1Data, ah->iniBank1.ia_rows);
438 ATH_ALLOC_BANK(ah->analogBank2Data, ah->iniBank2.ia_rows);
439 ATH_ALLOC_BANK(ah->analogBank3Data, ah->iniBank3.ia_rows);
440 ATH_ALLOC_BANK(ah->analogBank6Data, ah->iniBank6.ia_rows);
441 ATH_ALLOC_BANK(ah->analogBank6TPCData, ah->iniBank6TPC.ia_rows);
442 ATH_ALLOC_BANK(ah->analogBank7Data, ah->iniBank7.ia_rows);
443 ATH_ALLOC_BANK(ah->addac5416_21,
444 ah->iniAddac.ia_rows * ah->iniAddac.ia_columns);
445 ATH_ALLOC_BANK(ah->bank6Temp, ah->iniBank6.ia_rows);
448 #undef ATH_ALLOC_BANK
453 * ar5008_hw_rf_free_ext_banks - Free memory for analog bank scratch buffers
454 * @ah: atheros hardware struture
455 * For the external AR2133/AR5133 radios banks.
457 static void ar5008_hw_rf_free_ext_banks(struct ath_hw *ah)
459 #define ATH_FREE_BANK(bank) do { \
464 BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
466 ATH_FREE_BANK(ah->analogBank0Data);
467 ATH_FREE_BANK(ah->analogBank1Data);
468 ATH_FREE_BANK(ah->analogBank2Data);
469 ATH_FREE_BANK(ah->analogBank3Data);
470 ATH_FREE_BANK(ah->analogBank6Data);
471 ATH_FREE_BANK(ah->analogBank6TPCData);
472 ATH_FREE_BANK(ah->analogBank7Data);
473 ATH_FREE_BANK(ah->addac5416_21);
474 ATH_FREE_BANK(ah->bank6Temp);
480 * ar5008_hw_set_rf_regs - programs rf registers based on EEPROM
481 * @ah: atheros hardware structure
485 * Used for the external AR2133/AR5133 radios.
487 * Reads the EEPROM header info from the device structure and programs
488 * all rf registers. This routine requires access to the analog
489 * rf device. This is not required for single-chip devices.
491 static bool ar5008_hw_set_rf_regs(struct ath_hw *ah,
492 struct ath9k_channel *chan,
496 u32 ob5GHz = 0, db5GHz = 0;
497 u32 ob2GHz = 0, db2GHz = 0;
501 * Software does not need to program bank data
502 * for single chip devices, that is AR9280 or anything
505 if (AR_SREV_9280_10_OR_LATER(ah))
508 /* Setup rf parameters */
509 eepMinorRev = ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV);
511 /* Setup Bank 0 Write */
512 RF_BANK_SETUP(ah->analogBank0Data, &ah->iniBank0, 1);
514 /* Setup Bank 1 Write */
515 RF_BANK_SETUP(ah->analogBank1Data, &ah->iniBank1, 1);
517 /* Setup Bank 2 Write */
518 RF_BANK_SETUP(ah->analogBank2Data, &ah->iniBank2, 1);
520 /* Setup Bank 6 Write */
521 RF_BANK_SETUP(ah->analogBank3Data, &ah->iniBank3,
525 for (i = 0; i < ah->iniBank6TPC.ia_rows; i++) {
526 ah->analogBank6Data[i] =
527 INI_RA(&ah->iniBank6TPC, i, modesIndex);
531 /* Only the 5 or 2 GHz OB/DB need to be set for a mode */
532 if (eepMinorRev >= 2) {
533 if (IS_CHAN_2GHZ(chan)) {
534 ob2GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_2);
535 db2GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_2);
536 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
538 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
541 ob5GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_5);
542 db5GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_5);
543 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
545 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
550 /* Setup Bank 7 Setup */
551 RF_BANK_SETUP(ah->analogBank7Data, &ah->iniBank7, 1);
553 /* Write Analog registers */
554 REG_WRITE_RF_ARRAY(&ah->iniBank0, ah->analogBank0Data,
556 REG_WRITE_RF_ARRAY(&ah->iniBank1, ah->analogBank1Data,
558 REG_WRITE_RF_ARRAY(&ah->iniBank2, ah->analogBank2Data,
560 REG_WRITE_RF_ARRAY(&ah->iniBank3, ah->analogBank3Data,
562 REG_WRITE_RF_ARRAY(&ah->iniBank6TPC, ah->analogBank6Data,
564 REG_WRITE_RF_ARRAY(&ah->iniBank7, ah->analogBank7Data,
570 static void ar5008_hw_init_bb(struct ath_hw *ah,
571 struct ath9k_channel *chan)
575 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
577 synthDelay = (4 * synthDelay) / 22;
581 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
583 udelay(synthDelay + BASE_ACTIVATE_DELAY);
586 static void ar5008_hw_init_chain_masks(struct ath_hw *ah)
588 int rx_chainmask, tx_chainmask;
590 rx_chainmask = ah->rxchainmask;
591 tx_chainmask = ah->txchainmask;
593 ENABLE_REGWRITE_BUFFER(ah);
595 switch (rx_chainmask) {
597 DISABLE_REGWRITE_BUFFER(ah);
598 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
599 AR_PHY_SWAP_ALT_CHAIN);
600 ENABLE_REGWRITE_BUFFER(ah);
602 if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
603 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
604 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
610 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
611 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
617 REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask);
619 REGWRITE_BUFFER_FLUSH(ah);
620 DISABLE_REGWRITE_BUFFER(ah);
622 if (tx_chainmask == 0x5) {
623 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
624 AR_PHY_SWAP_ALT_CHAIN);
626 if (AR_SREV_9100(ah))
627 REG_WRITE(ah, AR_PHY_ANALOG_SWAP,
628 REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001);
631 static void ar5008_hw_override_ini(struct ath_hw *ah,
632 struct ath9k_channel *chan)
637 * Set the RX_ABORT and RX_DIS and clear if off only after
638 * RXE is set for MAC. This prevents frames with corrupted
641 REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
643 if (AR_SREV_9280_10_OR_LATER(ah)) {
644 val = REG_READ(ah, AR_PCU_MISC_MODE2);
646 if (!AR_SREV_9271(ah))
647 val &= ~AR_PCU_MISC_MODE2_HWWAR1;
649 if (AR_SREV_9287_10_OR_LATER(ah))
650 val = val & (~AR_PCU_MISC_MODE2_HWWAR2);
652 REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
655 if (!AR_SREV_5416_20_OR_LATER(ah) ||
656 AR_SREV_9280_10_OR_LATER(ah))
659 * Disable BB clock gating
660 * Necessary to avoid issues on AR5416 2.0
662 REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
665 * Disable RIFS search on some chips to avoid baseband
668 if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) {
669 val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS);
670 val &= ~AR_PHY_RIFS_INIT_DELAY;
671 REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val);
675 static void ar5008_hw_set_channel_regs(struct ath_hw *ah,
676 struct ath9k_channel *chan)
679 u32 enableDacFifo = 0;
681 if (AR_SREV_9285_10_OR_LATER(ah))
682 enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) &
683 AR_PHY_FC_ENABLE_DAC_FIFO);
685 phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
686 | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo;
688 if (IS_CHAN_HT40(chan)) {
689 phymode |= AR_PHY_FC_DYN2040_EN;
691 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
692 (chan->chanmode == CHANNEL_G_HT40PLUS))
693 phymode |= AR_PHY_FC_DYN2040_PRI_CH;
696 REG_WRITE(ah, AR_PHY_TURBO, phymode);
698 ath9k_hw_set11nmac2040(ah);
700 ENABLE_REGWRITE_BUFFER(ah);
702 REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
703 REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
705 REGWRITE_BUFFER_FLUSH(ah);
706 DISABLE_REGWRITE_BUFFER(ah);
710 static int ar5008_hw_process_ini(struct ath_hw *ah,
711 struct ath9k_channel *chan)
713 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
714 int i, regWrites = 0;
715 struct ieee80211_channel *channel = chan->chan;
716 u32 modesIndex, freqIndex;
718 switch (chan->chanmode) {
724 case CHANNEL_A_HT40PLUS:
725 case CHANNEL_A_HT40MINUS:
735 case CHANNEL_G_HT40PLUS:
736 case CHANNEL_G_HT40MINUS:
745 if (AR_SREV_9287_12_OR_LATER(ah)) {
746 /* Enable ASYNC FIFO */
747 REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
748 AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL);
749 REG_SET_BIT(ah, AR_PHY_MODE, AR_PHY_MODE_ASYNCFIFO);
750 REG_CLR_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
751 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
752 REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
753 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
757 * Set correct baseband to analog shift setting to
758 * access analog chips.
760 REG_WRITE(ah, AR_PHY(0), 0x00000007);
762 /* Write ADDAC shifts */
763 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
764 ah->eep_ops->set_addac(ah, chan);
766 if (AR_SREV_5416_22_OR_LATER(ah)) {
767 REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
769 struct ar5416IniArray temp;
771 sizeof(u32) * ah->iniAddac.ia_rows *
772 ah->iniAddac.ia_columns;
774 /* For AR5416 2.0/2.1 */
775 memcpy(ah->addac5416_21,
776 ah->iniAddac.ia_array, addacSize);
778 /* override CLKDRV value at [row, column] = [31, 1] */
779 (ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0;
781 temp.ia_array = ah->addac5416_21;
782 temp.ia_columns = ah->iniAddac.ia_columns;
783 temp.ia_rows = ah->iniAddac.ia_rows;
784 REG_WRITE_ARRAY(&temp, 1, regWrites);
787 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
789 ENABLE_REGWRITE_BUFFER(ah);
791 for (i = 0; i < ah->iniModes.ia_rows; i++) {
792 u32 reg = INI_RA(&ah->iniModes, i, 0);
793 u32 val = INI_RA(&ah->iniModes, i, modesIndex);
795 if (reg == AR_AN_TOP2 && ah->need_an_top2_fixup)
796 val &= ~AR_AN_TOP2_PWDCLKIND;
798 REG_WRITE(ah, reg, val);
800 if (reg >= 0x7800 && reg < 0x78a0
801 && ah->config.analog_shiftreg) {
808 REGWRITE_BUFFER_FLUSH(ah);
809 DISABLE_REGWRITE_BUFFER(ah);
811 if (AR_SREV_9280(ah) || AR_SREV_9287_10_OR_LATER(ah))
812 REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites);
814 if (AR_SREV_9280(ah) || AR_SREV_9285_12_OR_LATER(ah) ||
815 AR_SREV_9287_10_OR_LATER(ah))
816 REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
818 if (AR_SREV_9271_10(ah))
819 REG_WRITE_ARRAY(&ah->iniModes_9271_1_0_only,
820 modesIndex, regWrites);
822 ENABLE_REGWRITE_BUFFER(ah);
824 /* Write common array parameters */
825 for (i = 0; i < ah->iniCommon.ia_rows; i++) {
826 u32 reg = INI_RA(&ah->iniCommon, i, 0);
827 u32 val = INI_RA(&ah->iniCommon, i, 1);
829 REG_WRITE(ah, reg, val);
831 if (reg >= 0x7800 && reg < 0x78a0
832 && ah->config.analog_shiftreg) {
839 REGWRITE_BUFFER_FLUSH(ah);
840 DISABLE_REGWRITE_BUFFER(ah);
842 if (AR_SREV_9271(ah)) {
843 if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) == 1)
844 REG_WRITE_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
845 modesIndex, regWrites);
847 REG_WRITE_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
848 modesIndex, regWrites);
851 REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
853 if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan)) {
854 REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex,
858 ar5008_hw_override_ini(ah, chan);
859 ar5008_hw_set_channel_regs(ah, chan);
860 ar5008_hw_init_chain_masks(ah);
864 ah->eep_ops->set_txpower(ah, chan,
865 ath9k_regd_get_ctl(regulatory, chan),
866 channel->max_antenna_gain * 2,
867 channel->max_power * 2,
868 min((u32) MAX_RATE_POWER,
869 (u32) regulatory->power_limit));
871 /* Write analog registers */
872 if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
873 ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
874 "ar5416SetRfRegs failed\n");
881 static void ar5008_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan)
888 rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
889 ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
891 if (!AR_SREV_9280_10_OR_LATER(ah))
892 rfMode |= (IS_CHAN_5GHZ(chan)) ?
893 AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
895 if ((AR_SREV_9280_20(ah) || AR_SREV_9300_20_OR_LATER(ah))
896 && IS_CHAN_A_5MHZ_SPACED(chan))
897 rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
899 REG_WRITE(ah, AR_PHY_MODE, rfMode);
902 static void ar5008_hw_mark_phy_inactive(struct ath_hw *ah)
904 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
907 static void ar5008_hw_set_delta_slope(struct ath_hw *ah,
908 struct ath9k_channel *chan)
910 u32 coef_scaled, ds_coef_exp, ds_coef_man;
911 u32 clockMhzScaled = 0x64000000;
912 struct chan_centers centers;
914 if (IS_CHAN_HALF_RATE(chan))
915 clockMhzScaled = clockMhzScaled >> 1;
916 else if (IS_CHAN_QUARTER_RATE(chan))
917 clockMhzScaled = clockMhzScaled >> 2;
919 ath9k_hw_get_channel_centers(ah, chan, ¢ers);
920 coef_scaled = clockMhzScaled / centers.synth_center;
922 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
925 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
926 AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
927 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
928 AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
930 coef_scaled = (9 * coef_scaled) / 10;
932 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
935 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
936 AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
937 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
938 AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
941 static bool ar5008_hw_rfbus_req(struct ath_hw *ah)
943 REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
944 return ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
945 AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT);
948 static void ar5008_hw_rfbus_done(struct ath_hw *ah)
950 u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
951 if (IS_CHAN_B(ah->curchan))
952 synthDelay = (4 * synthDelay) / 22;
956 udelay(synthDelay + BASE_ACTIVATE_DELAY);
958 REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
961 static void ar5008_hw_enable_rfkill(struct ath_hw *ah)
963 REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
964 AR_GPIO_INPUT_EN_VAL_RFSILENT_BB);
966 REG_CLR_BIT(ah, AR_GPIO_INPUT_MUX2,
967 AR_GPIO_INPUT_MUX2_RFSILENT);
969 ath9k_hw_cfg_gpio_input(ah, ah->rfkill_gpio);
970 REG_SET_BIT(ah, AR_PHY_TEST, RFSILENT_BB);
973 static void ar5008_restore_chainmask(struct ath_hw *ah)
975 int rx_chainmask = ah->rxchainmask;
977 if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
978 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
979 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
983 static void ar5008_set_diversity(struct ath_hw *ah, bool value)
985 u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
987 v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
989 v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
990 REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
993 static u32 ar9100_hw_compute_pll_control(struct ath_hw *ah,
994 struct ath9k_channel *chan)
996 if (chan && IS_CHAN_5GHZ(chan))
1001 static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah,
1002 struct ath9k_channel *chan)
1006 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
1008 if (chan && IS_CHAN_HALF_RATE(chan))
1009 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
1010 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1011 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
1013 if (chan && IS_CHAN_5GHZ(chan))
1014 pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
1016 pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
1021 static u32 ar5008_hw_compute_pll_control(struct ath_hw *ah,
1022 struct ath9k_channel *chan)
1026 pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
1028 if (chan && IS_CHAN_HALF_RATE(chan))
1029 pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
1030 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1031 pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
1033 if (chan && IS_CHAN_5GHZ(chan))
1034 pll |= SM(0xa, AR_RTC_PLL_DIV);
1036 pll |= SM(0xb, AR_RTC_PLL_DIV);
1041 static bool ar5008_hw_ani_control(struct ath_hw *ah,
1042 enum ath9k_ani_cmd cmd, int param)
1044 struct ar5416AniState *aniState = ah->curani;
1045 struct ath_common *common = ath9k_hw_common(ah);
1047 switch (cmd & ah->ani_function) {
1048 case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{
1051 if (level >= ARRAY_SIZE(ah->totalSizeDesired)) {
1052 ath_print(common, ATH_DBG_ANI,
1053 "level out of range (%u > %u)\n",
1055 (unsigned)ARRAY_SIZE(ah->totalSizeDesired));
1059 REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
1060 AR_PHY_DESIRED_SZ_TOT_DES,
1061 ah->totalSizeDesired[level]);
1062 REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
1063 AR_PHY_AGC_CTL1_COARSE_LOW,
1064 ah->coarse_low[level]);
1065 REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
1066 AR_PHY_AGC_CTL1_COARSE_HIGH,
1067 ah->coarse_high[level]);
1068 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1069 AR_PHY_FIND_SIG_FIRPWR,
1072 if (level > aniState->noiseImmunityLevel)
1073 ah->stats.ast_ani_niup++;
1074 else if (level < aniState->noiseImmunityLevel)
1075 ah->stats.ast_ani_nidown++;
1076 aniState->noiseImmunityLevel = level;
1079 case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
1080 const int m1ThreshLow[] = { 127, 50 };
1081 const int m2ThreshLow[] = { 127, 40 };
1082 const int m1Thresh[] = { 127, 0x4d };
1083 const int m2Thresh[] = { 127, 0x40 };
1084 const int m2CountThr[] = { 31, 16 };
1085 const int m2CountThrLow[] = { 63, 48 };
1086 u32 on = param ? 1 : 0;
1088 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1089 AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
1091 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1092 AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
1094 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1095 AR_PHY_SFCORR_M1_THRESH,
1097 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1098 AR_PHY_SFCORR_M2_THRESH,
1100 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1101 AR_PHY_SFCORR_M2COUNT_THR,
1103 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1104 AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
1107 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1108 AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
1110 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1111 AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
1113 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1114 AR_PHY_SFCORR_EXT_M1_THRESH,
1116 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1117 AR_PHY_SFCORR_EXT_M2_THRESH,
1121 REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
1122 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1124 REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
1125 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1127 if (!on != aniState->ofdmWeakSigDetectOff) {
1129 ah->stats.ast_ani_ofdmon++;
1131 ah->stats.ast_ani_ofdmoff++;
1132 aniState->ofdmWeakSigDetectOff = !on;
1136 case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{
1137 const int weakSigThrCck[] = { 8, 6 };
1138 u32 high = param ? 1 : 0;
1140 REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT,
1141 AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK,
1142 weakSigThrCck[high]);
1143 if (high != aniState->cckWeakSigThreshold) {
1145 ah->stats.ast_ani_cckhigh++;
1147 ah->stats.ast_ani_ccklow++;
1148 aniState->cckWeakSigThreshold = high;
1152 case ATH9K_ANI_FIRSTEP_LEVEL:{
1153 const int firstep[] = { 0, 4, 8 };
1156 if (level >= ARRAY_SIZE(firstep)) {
1157 ath_print(common, ATH_DBG_ANI,
1158 "level out of range (%u > %u)\n",
1160 (unsigned) ARRAY_SIZE(firstep));
1163 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1164 AR_PHY_FIND_SIG_FIRSTEP,
1166 if (level > aniState->firstepLevel)
1167 ah->stats.ast_ani_stepup++;
1168 else if (level < aniState->firstepLevel)
1169 ah->stats.ast_ani_stepdown++;
1170 aniState->firstepLevel = level;
1173 case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
1174 const int cycpwrThr1[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
1177 if (level >= ARRAY_SIZE(cycpwrThr1)) {
1178 ath_print(common, ATH_DBG_ANI,
1179 "level out of range (%u > %u)\n",
1181 (unsigned) ARRAY_SIZE(cycpwrThr1));
1184 REG_RMW_FIELD(ah, AR_PHY_TIMING5,
1185 AR_PHY_TIMING5_CYCPWR_THR1,
1187 if (level > aniState->spurImmunityLevel)
1188 ah->stats.ast_ani_spurup++;
1189 else if (level < aniState->spurImmunityLevel)
1190 ah->stats.ast_ani_spurdown++;
1191 aniState->spurImmunityLevel = level;
1194 case ATH9K_ANI_PRESENT:
1197 ath_print(common, ATH_DBG_ANI,
1198 "invalid cmd %u\n", cmd);
1202 ath_print(common, ATH_DBG_ANI, "ANI parameters:\n");
1203 ath_print(common, ATH_DBG_ANI,
1204 "noiseImmunityLevel=%d, spurImmunityLevel=%d, "
1205 "ofdmWeakSigDetectOff=%d\n",
1206 aniState->noiseImmunityLevel,
1207 aniState->spurImmunityLevel,
1208 !aniState->ofdmWeakSigDetectOff);
1209 ath_print(common, ATH_DBG_ANI,
1210 "cckWeakSigThreshold=%d, "
1211 "firstepLevel=%d, listenTime=%d\n",
1212 aniState->cckWeakSigThreshold,
1213 aniState->firstepLevel,
1214 aniState->listenTime);
1215 ath_print(common, ATH_DBG_ANI,
1216 "cycleCount=%d, ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
1217 aniState->cycleCount,
1218 aniState->ofdmPhyErrCount,
1219 aniState->cckPhyErrCount);
1224 static void ar5008_hw_do_getnf(struct ath_hw *ah,
1225 int16_t nfarray[NUM_NF_READINGS])
1227 struct ath_common *common = ath9k_hw_common(ah);
1230 nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
1232 nf = 0 - ((nf ^ 0x1ff) + 1);
1233 ath_print(common, ATH_DBG_CALIBRATE,
1234 "NF calibrated [ctl] [chain 0] is %d\n", nf);
1237 nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR);
1239 nf = 0 - ((nf ^ 0x1ff) + 1);
1240 ath_print(common, ATH_DBG_CALIBRATE,
1241 "NF calibrated [ctl] [chain 1] is %d\n", nf);
1244 nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
1246 nf = 0 - ((nf ^ 0x1ff) + 1);
1247 ath_print(common, ATH_DBG_CALIBRATE,
1248 "NF calibrated [ctl] [chain 2] is %d\n", nf);
1251 nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
1253 nf = 0 - ((nf ^ 0x1ff) + 1);
1254 ath_print(common, ATH_DBG_CALIBRATE,
1255 "NF calibrated [ext] [chain 0] is %d\n", nf);
1258 nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR);
1260 nf = 0 - ((nf ^ 0x1ff) + 1);
1261 ath_print(common, ATH_DBG_CALIBRATE,
1262 "NF calibrated [ext] [chain 1] is %d\n", nf);
1265 nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR);
1267 nf = 0 - ((nf ^ 0x1ff) + 1);
1268 ath_print(common, ATH_DBG_CALIBRATE,
1269 "NF calibrated [ext] [chain 2] is %d\n", nf);
1273 static void ar5008_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
1275 struct ath9k_nfcal_hist *h;
1278 const u32 ar5416_cca_regs[6] = {
1286 u8 chainmask, rx_chain_status;
1288 rx_chain_status = REG_READ(ah, AR_PHY_RX_CHAINMASK);
1289 if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
1291 else if (AR_SREV_9280(ah) || AR_SREV_9287(ah)) {
1292 if ((rx_chain_status & 0x2) || (rx_chain_status & 0x4))
1297 if (rx_chain_status & 0x4)
1299 else if (rx_chain_status & 0x2)
1307 for (i = 0; i < NUM_NF_READINGS; i++) {
1308 if (chainmask & (1 << i)) {
1309 val = REG_READ(ah, ar5416_cca_regs[i]);
1311 val |= (((u32) (h[i].privNF) << 1) & 0x1ff);
1312 REG_WRITE(ah, ar5416_cca_regs[i], val);
1316 REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
1317 AR_PHY_AGC_CONTROL_ENABLE_NF);
1318 REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
1319 AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
1320 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
1322 for (j = 0; j < 5; j++) {
1323 if ((REG_READ(ah, AR_PHY_AGC_CONTROL) &
1324 AR_PHY_AGC_CONTROL_NF) == 0)
1329 ENABLE_REGWRITE_BUFFER(ah);
1331 for (i = 0; i < NUM_NF_READINGS; i++) {
1332 if (chainmask & (1 << i)) {
1333 val = REG_READ(ah, ar5416_cca_regs[i]);
1335 val |= (((u32) (-50) << 1) & 0x1ff);
1336 REG_WRITE(ah, ar5416_cca_regs[i], val);
1340 REGWRITE_BUFFER_FLUSH(ah);
1341 DISABLE_REGWRITE_BUFFER(ah);
1344 void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
1346 struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
1348 priv_ops->rf_set_freq = ar5008_hw_set_channel;
1349 priv_ops->spur_mitigate_freq = ar5008_hw_spur_mitigate;
1351 priv_ops->rf_alloc_ext_banks = ar5008_hw_rf_alloc_ext_banks;
1352 priv_ops->rf_free_ext_banks = ar5008_hw_rf_free_ext_banks;
1353 priv_ops->set_rf_regs = ar5008_hw_set_rf_regs;
1354 priv_ops->set_channel_regs = ar5008_hw_set_channel_regs;
1355 priv_ops->init_bb = ar5008_hw_init_bb;
1356 priv_ops->process_ini = ar5008_hw_process_ini;
1357 priv_ops->set_rfmode = ar5008_hw_set_rfmode;
1358 priv_ops->mark_phy_inactive = ar5008_hw_mark_phy_inactive;
1359 priv_ops->set_delta_slope = ar5008_hw_set_delta_slope;
1360 priv_ops->rfbus_req = ar5008_hw_rfbus_req;
1361 priv_ops->rfbus_done = ar5008_hw_rfbus_done;
1362 priv_ops->enable_rfkill = ar5008_hw_enable_rfkill;
1363 priv_ops->restore_chainmask = ar5008_restore_chainmask;
1364 priv_ops->set_diversity = ar5008_set_diversity;
1365 priv_ops->ani_control = ar5008_hw_ani_control;
1366 priv_ops->do_getnf = ar5008_hw_do_getnf;
1367 priv_ops->loadnf = ar5008_hw_loadnf;
1369 if (AR_SREV_9100(ah))
1370 priv_ops->compute_pll_control = ar9100_hw_compute_pll_control;
1371 else if (AR_SREV_9160_10_OR_LATER(ah))
1372 priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
1374 priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;