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1/*
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
3 *
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.
7 *
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.
15 */
16
17#include "hw.h"
18#include "hw-ops.h"
19#include "../regd.h"
20#include "ar9002_phy.h"
21
22/* All code below is for AR5008, AR9001, AR9002 */
23
24static const int firstep_table[] =
25/* level: 0 1 2 3 4 5 6 7 8 */
26 { -4, -2, 0, 2, 4, 6, 8, 10, 12 }; /* lvl 0-8, default 2 */
27
28static const int cycpwrThr1_table[] =
29/* level: 0 1 2 3 4 5 6 7 8 */
30 { -6, -4, -2, 0, 2, 4, 6, 8 }; /* lvl 0-7, default 3 */
31
32/*
33 * register values to turn OFDM weak signal detection OFF
34 */
35static const int m1ThreshLow_off = 127;
36static const int m2ThreshLow_off = 127;
37static const int m1Thresh_off = 127;
38static const int m2Thresh_off = 127;
39static const int m2CountThr_off = 31;
40static const int m2CountThrLow_off = 63;
41static const int m1ThreshLowExt_off = 127;
42static const int m2ThreshLowExt_off = 127;
43static const int m1ThreshExt_off = 127;
44static const int m2ThreshExt_off = 127;
45
46
47static void ar5008_rf_bank_setup(u32 *bank, struct ar5416IniArray *array,
48 int col)
49{
50 int i;
51
52 for (i = 0; i < array->ia_rows; i++)
53 bank[i] = INI_RA(array, i, col);
54}
55
56
57#define REG_WRITE_RF_ARRAY(iniarray, regData, regWr) \
58 ar5008_write_rf_array(ah, iniarray, regData, &(regWr))
59
60static void ar5008_write_rf_array(struct ath_hw *ah, struct ar5416IniArray *array,
61 u32 *data, unsigned int *writecnt)
62{
63 int r;
64
65 ENABLE_REGWRITE_BUFFER(ah);
66
67 for (r = 0; r < array->ia_rows; r++) {
68 REG_WRITE(ah, INI_RA(array, r, 0), data[r]);
69 DO_DELAY(*writecnt);
70 }
71
72 REGWRITE_BUFFER_FLUSH(ah);
73}
74
75/**
76 * ar5008_hw_phy_modify_rx_buffer() - perform analog swizzling of parameters
77 * @rfbuf:
78 * @reg32:
79 * @numBits:
80 * @firstBit:
81 * @column:
82 *
83 * Performs analog "swizzling" of parameters into their location.
84 * Used on external AR2133/AR5133 radios.
85 */
86static void ar5008_hw_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
87 u32 numBits, u32 firstBit,
88 u32 column)
89{
90 u32 tmp32, mask, arrayEntry, lastBit;
91 int32_t bitPosition, bitsLeft;
92
93 tmp32 = ath9k_hw_reverse_bits(reg32, numBits);
94 arrayEntry = (firstBit - 1) / 8;
95 bitPosition = (firstBit - 1) % 8;
96 bitsLeft = numBits;
97 while (bitsLeft > 0) {
98 lastBit = (bitPosition + bitsLeft > 8) ?
99 8 : bitPosition + bitsLeft;
100 mask = (((1 << lastBit) - 1) ^ ((1 << bitPosition) - 1)) <<
101 (column * 8);
102 rfBuf[arrayEntry] &= ~mask;
103 rfBuf[arrayEntry] |= ((tmp32 << bitPosition) <<
104 (column * 8)) & mask;
105 bitsLeft -= 8 - bitPosition;
106 tmp32 = tmp32 >> (8 - bitPosition);
107 bitPosition = 0;
108 arrayEntry++;
109 }
110}
111
112/*
113 * Fix on 2.4 GHz band for orientation sensitivity issue by increasing
114 * rf_pwd_icsyndiv.
115 *
116 * Theoretical Rules:
117 * if 2 GHz band
118 * if forceBiasAuto
119 * if synth_freq < 2412
120 * bias = 0
121 * else if 2412 <= synth_freq <= 2422
122 * bias = 1
123 * else // synth_freq > 2422
124 * bias = 2
125 * else if forceBias > 0
126 * bias = forceBias & 7
127 * else
128 * no change, use value from ini file
129 * else
130 * no change, invalid band
131 *
132 * 1st Mod:
133 * 2422 also uses value of 2
134 * <approved>
135 *
136 * 2nd Mod:
137 * Less than 2412 uses value of 0, 2412 and above uses value of 2
138 */
139static void ar5008_hw_force_bias(struct ath_hw *ah, u16 synth_freq)
140{
141 struct ath_common *common = ath9k_hw_common(ah);
142 u32 tmp_reg;
143 int reg_writes = 0;
144 u32 new_bias = 0;
145
146 if (!AR_SREV_5416(ah) || synth_freq >= 3000)
147 return;
148
149 BUG_ON(AR_SREV_9280_20_OR_LATER(ah));
150
151 if (synth_freq < 2412)
152 new_bias = 0;
153 else if (synth_freq < 2422)
154 new_bias = 1;
155 else
156 new_bias = 2;
157
158 /* pre-reverse this field */
159 tmp_reg = ath9k_hw_reverse_bits(new_bias, 3);
160
161 ath_dbg(common, ATH_DBG_CONFIG, "Force rf_pwd_icsyndiv to %1d on %4d\n",
162 new_bias, synth_freq);
163
164 /* swizzle rf_pwd_icsyndiv */
165 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data, tmp_reg, 3, 181, 3);
166
167 /* write Bank 6 with new params */
168 REG_WRITE_RF_ARRAY(&ah->iniBank6, ah->analogBank6Data, reg_writes);
169}
170
171/**
172 * ar5008_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
173 * @ah: atheros hardware structure
174 * @chan:
175 *
176 * For the external AR2133/AR5133 radios, takes the MHz channel value and set
177 * the channel value. Assumes writes enabled to analog bus and bank6 register
178 * cache in ah->analogBank6Data.
179 */
180static int ar5008_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
181{
182 struct ath_common *common = ath9k_hw_common(ah);
183 u32 channelSel = 0;
184 u32 bModeSynth = 0;
185 u32 aModeRefSel = 0;
186 u32 reg32 = 0;
187 u16 freq;
188 struct chan_centers centers;
189
190 ath9k_hw_get_channel_centers(ah, chan, ¢ers);
191 freq = centers.synth_center;
192
193 if (freq < 4800) {
194 u32 txctl;
195
196 if (((freq - 2192) % 5) == 0) {
197 channelSel = ((freq - 672) * 2 - 3040) / 10;
198 bModeSynth = 0;
199 } else if (((freq - 2224) % 5) == 0) {
200 channelSel = ((freq - 704) * 2 - 3040) / 10;
201 bModeSynth = 1;
202 } else {
203 ath_err(common, "Invalid channel %u MHz\n", freq);
204 return -EINVAL;
205 }
206
207 channelSel = (channelSel << 2) & 0xff;
208 channelSel = ath9k_hw_reverse_bits(channelSel, 8);
209
210 txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
211 if (freq == 2484) {
212
213 REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
214 txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
215 } else {
216 REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
217 txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN);
218 }
219
220 } else if ((freq % 20) == 0 && freq >= 5120) {
221 channelSel =
222 ath9k_hw_reverse_bits(((freq - 4800) / 20 << 2), 8);
223 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
224 } else if ((freq % 10) == 0) {
225 channelSel =
226 ath9k_hw_reverse_bits(((freq - 4800) / 10 << 1), 8);
227 if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
228 aModeRefSel = ath9k_hw_reverse_bits(2, 2);
229 else
230 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
231 } else if ((freq % 5) == 0) {
232 channelSel = ath9k_hw_reverse_bits((freq - 4800) / 5, 8);
233 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
234 } else {
235 ath_err(common, "Invalid channel %u MHz\n", freq);
236 return -EINVAL;
237 }
238
239 ar5008_hw_force_bias(ah, freq);
240
241 reg32 =
242 (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
243 (1 << 5) | 0x1;
244
245 REG_WRITE(ah, AR_PHY(0x37), reg32);
246
247 ah->curchan = chan;
248 ah->curchan_rad_index = -1;
249
250 return 0;
251}
252
253/**
254 * ar5008_hw_spur_mitigate - convert baseband spur frequency for external radios
255 * @ah: atheros hardware structure
256 * @chan:
257 *
258 * For non single-chip solutions. Converts to baseband spur frequency given the
259 * input channel frequency and compute register settings below.
260 */
261static void ar5008_hw_spur_mitigate(struct ath_hw *ah,
262 struct ath9k_channel *chan)
263{
264 int bb_spur = AR_NO_SPUR;
265 int bin, cur_bin;
266 int spur_freq_sd;
267 int spur_delta_phase;
268 int denominator;
269 int upper, lower, cur_vit_mask;
270 int tmp, new;
271 int i;
272 static int pilot_mask_reg[4] = {
273 AR_PHY_TIMING7, AR_PHY_TIMING8,
274 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
275 };
276 static int chan_mask_reg[4] = {
277 AR_PHY_TIMING9, AR_PHY_TIMING10,
278 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
279 };
280 static int inc[4] = { 0, 100, 0, 0 };
281
282 int8_t mask_m[123];
283 int8_t mask_p[123];
284 int8_t mask_amt;
285 int tmp_mask;
286 int cur_bb_spur;
287 bool is2GHz = IS_CHAN_2GHZ(chan);
288
289 memset(&mask_m, 0, sizeof(int8_t) * 123);
290 memset(&mask_p, 0, sizeof(int8_t) * 123);
291
292 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
293 cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
294 if (AR_NO_SPUR == cur_bb_spur)
295 break;
296 cur_bb_spur = cur_bb_spur - (chan->channel * 10);
297 if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
298 bb_spur = cur_bb_spur;
299 break;
300 }
301 }
302
303 if (AR_NO_SPUR == bb_spur)
304 return;
305
306 bin = bb_spur * 32;
307
308 tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
309 new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
310 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
311 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
312 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
313
314 REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
315
316 new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
317 AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
318 AR_PHY_SPUR_REG_MASK_RATE_SELECT |
319 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
320 SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
321 REG_WRITE(ah, AR_PHY_SPUR_REG, new);
322
323 spur_delta_phase = ((bb_spur * 524288) / 100) &
324 AR_PHY_TIMING11_SPUR_DELTA_PHASE;
325
326 denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
327 spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
328
329 new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
330 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
331 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
332 REG_WRITE(ah, AR_PHY_TIMING11, new);
333
334 cur_bin = -6000;
335 upper = bin + 100;
336 lower = bin - 100;
337
338 for (i = 0; i < 4; i++) {
339 int pilot_mask = 0;
340 int chan_mask = 0;
341 int bp = 0;
342 for (bp = 0; bp < 30; bp++) {
343 if ((cur_bin > lower) && (cur_bin < upper)) {
344 pilot_mask = pilot_mask | 0x1 << bp;
345 chan_mask = chan_mask | 0x1 << bp;
346 }
347 cur_bin += 100;
348 }
349 cur_bin += inc[i];
350 REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
351 REG_WRITE(ah, chan_mask_reg[i], chan_mask);
352 }
353
354 cur_vit_mask = 6100;
355 upper = bin + 120;
356 lower = bin - 120;
357
358 for (i = 0; i < 123; i++) {
359 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
360
361 /* workaround for gcc bug #37014 */
362 volatile int tmp_v = abs(cur_vit_mask - bin);
363
364 if (tmp_v < 75)
365 mask_amt = 1;
366 else
367 mask_amt = 0;
368 if (cur_vit_mask < 0)
369 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
370 else
371 mask_p[cur_vit_mask / 100] = mask_amt;
372 }
373 cur_vit_mask -= 100;
374 }
375
376 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
377 | (mask_m[48] << 26) | (mask_m[49] << 24)
378 | (mask_m[50] << 22) | (mask_m[51] << 20)
379 | (mask_m[52] << 18) | (mask_m[53] << 16)
380 | (mask_m[54] << 14) | (mask_m[55] << 12)
381 | (mask_m[56] << 10) | (mask_m[57] << 8)
382 | (mask_m[58] << 6) | (mask_m[59] << 4)
383 | (mask_m[60] << 2) | (mask_m[61] << 0);
384 REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
385 REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
386
387 tmp_mask = (mask_m[31] << 28)
388 | (mask_m[32] << 26) | (mask_m[33] << 24)
389 | (mask_m[34] << 22) | (mask_m[35] << 20)
390 | (mask_m[36] << 18) | (mask_m[37] << 16)
391 | (mask_m[48] << 14) | (mask_m[39] << 12)
392 | (mask_m[40] << 10) | (mask_m[41] << 8)
393 | (mask_m[42] << 6) | (mask_m[43] << 4)
394 | (mask_m[44] << 2) | (mask_m[45] << 0);
395 REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
396 REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
397
398 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
399 | (mask_m[18] << 26) | (mask_m[18] << 24)
400 | (mask_m[20] << 22) | (mask_m[20] << 20)
401 | (mask_m[22] << 18) | (mask_m[22] << 16)
402 | (mask_m[24] << 14) | (mask_m[24] << 12)
403 | (mask_m[25] << 10) | (mask_m[26] << 8)
404 | (mask_m[27] << 6) | (mask_m[28] << 4)
405 | (mask_m[29] << 2) | (mask_m[30] << 0);
406 REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
407 REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
408
409 tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
410 | (mask_m[2] << 26) | (mask_m[3] << 24)
411 | (mask_m[4] << 22) | (mask_m[5] << 20)
412 | (mask_m[6] << 18) | (mask_m[7] << 16)
413 | (mask_m[8] << 14) | (mask_m[9] << 12)
414 | (mask_m[10] << 10) | (mask_m[11] << 8)
415 | (mask_m[12] << 6) | (mask_m[13] << 4)
416 | (mask_m[14] << 2) | (mask_m[15] << 0);
417 REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
418 REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
419
420 tmp_mask = (mask_p[15] << 28)
421 | (mask_p[14] << 26) | (mask_p[13] << 24)
422 | (mask_p[12] << 22) | (mask_p[11] << 20)
423 | (mask_p[10] << 18) | (mask_p[9] << 16)
424 | (mask_p[8] << 14) | (mask_p[7] << 12)
425 | (mask_p[6] << 10) | (mask_p[5] << 8)
426 | (mask_p[4] << 6) | (mask_p[3] << 4)
427 | (mask_p[2] << 2) | (mask_p[1] << 0);
428 REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
429 REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
430
431 tmp_mask = (mask_p[30] << 28)
432 | (mask_p[29] << 26) | (mask_p[28] << 24)
433 | (mask_p[27] << 22) | (mask_p[26] << 20)
434 | (mask_p[25] << 18) | (mask_p[24] << 16)
435 | (mask_p[23] << 14) | (mask_p[22] << 12)
436 | (mask_p[21] << 10) | (mask_p[20] << 8)
437 | (mask_p[19] << 6) | (mask_p[18] << 4)
438 | (mask_p[17] << 2) | (mask_p[16] << 0);
439 REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
440 REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
441
442 tmp_mask = (mask_p[45] << 28)
443 | (mask_p[44] << 26) | (mask_p[43] << 24)
444 | (mask_p[42] << 22) | (mask_p[41] << 20)
445 | (mask_p[40] << 18) | (mask_p[39] << 16)
446 | (mask_p[38] << 14) | (mask_p[37] << 12)
447 | (mask_p[36] << 10) | (mask_p[35] << 8)
448 | (mask_p[34] << 6) | (mask_p[33] << 4)
449 | (mask_p[32] << 2) | (mask_p[31] << 0);
450 REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
451 REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
452
453 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
454 | (mask_p[59] << 26) | (mask_p[58] << 24)
455 | (mask_p[57] << 22) | (mask_p[56] << 20)
456 | (mask_p[55] << 18) | (mask_p[54] << 16)
457 | (mask_p[53] << 14) | (mask_p[52] << 12)
458 | (mask_p[51] << 10) | (mask_p[50] << 8)
459 | (mask_p[49] << 6) | (mask_p[48] << 4)
460 | (mask_p[47] << 2) | (mask_p[46] << 0);
461 REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
462 REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
463}
464
465/**
466 * ar5008_hw_rf_alloc_ext_banks - allocates banks for external radio programming
467 * @ah: atheros hardware structure
468 *
469 * Only required for older devices with external AR2133/AR5133 radios.
470 */
471static int ar5008_hw_rf_alloc_ext_banks(struct ath_hw *ah)
472{
473#define ATH_ALLOC_BANK(bank, size) do { \
474 bank = kzalloc((sizeof(u32) * size), GFP_KERNEL); \
475 if (!bank) { \
476 ath_err(common, "Cannot allocate RF banks\n"); \
477 return -ENOMEM; \
478 } \
479 } while (0);
480
481 struct ath_common *common = ath9k_hw_common(ah);
482
483 BUG_ON(AR_SREV_9280_20_OR_LATER(ah));
484
485 ATH_ALLOC_BANK(ah->analogBank0Data, ah->iniBank0.ia_rows);
486 ATH_ALLOC_BANK(ah->analogBank1Data, ah->iniBank1.ia_rows);
487 ATH_ALLOC_BANK(ah->analogBank2Data, ah->iniBank2.ia_rows);
488 ATH_ALLOC_BANK(ah->analogBank3Data, ah->iniBank3.ia_rows);
489 ATH_ALLOC_BANK(ah->analogBank6Data, ah->iniBank6.ia_rows);
490 ATH_ALLOC_BANK(ah->analogBank6TPCData, ah->iniBank6TPC.ia_rows);
491 ATH_ALLOC_BANK(ah->analogBank7Data, ah->iniBank7.ia_rows);
492 ATH_ALLOC_BANK(ah->addac5416_21,
493 ah->iniAddac.ia_rows * ah->iniAddac.ia_columns);
494 ATH_ALLOC_BANK(ah->bank6Temp, ah->iniBank6.ia_rows);
495
496 return 0;
497#undef ATH_ALLOC_BANK
498}
499
500
501/**
502 * ar5008_hw_rf_free_ext_banks - Free memory for analog bank scratch buffers
503 * @ah: atheros hardware struture
504 * For the external AR2133/AR5133 radios banks.
505 */
506static void ar5008_hw_rf_free_ext_banks(struct ath_hw *ah)
507{
508#define ATH_FREE_BANK(bank) do { \
509 kfree(bank); \
510 bank = NULL; \
511 } while (0);
512
513 BUG_ON(AR_SREV_9280_20_OR_LATER(ah));
514
515 ATH_FREE_BANK(ah->analogBank0Data);
516 ATH_FREE_BANK(ah->analogBank1Data);
517 ATH_FREE_BANK(ah->analogBank2Data);
518 ATH_FREE_BANK(ah->analogBank3Data);
519 ATH_FREE_BANK(ah->analogBank6Data);
520 ATH_FREE_BANK(ah->analogBank6TPCData);
521 ATH_FREE_BANK(ah->analogBank7Data);
522 ATH_FREE_BANK(ah->addac5416_21);
523 ATH_FREE_BANK(ah->bank6Temp);
524
525#undef ATH_FREE_BANK
526}
527
528/* *
529 * ar5008_hw_set_rf_regs - programs rf registers based on EEPROM
530 * @ah: atheros hardware structure
531 * @chan:
532 * @modesIndex:
533 *
534 * Used for the external AR2133/AR5133 radios.
535 *
536 * Reads the EEPROM header info from the device structure and programs
537 * all rf registers. This routine requires access to the analog
538 * rf device. This is not required for single-chip devices.
539 */
540static bool ar5008_hw_set_rf_regs(struct ath_hw *ah,
541 struct ath9k_channel *chan,
542 u16 modesIndex)
543{
544 u32 eepMinorRev;
545 u32 ob5GHz = 0, db5GHz = 0;
546 u32 ob2GHz = 0, db2GHz = 0;
547 int regWrites = 0;
548
549 /*
550 * Software does not need to program bank data
551 * for single chip devices, that is AR9280 or anything
552 * after that.
553 */
554 if (AR_SREV_9280_20_OR_LATER(ah))
555 return true;
556
557 /* Setup rf parameters */
558 eepMinorRev = ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV);
559
560 /* Setup Bank 0 Write */
561 ar5008_rf_bank_setup(ah->analogBank0Data, &ah->iniBank0, 1);
562
563 /* Setup Bank 1 Write */
564 ar5008_rf_bank_setup(ah->analogBank1Data, &ah->iniBank1, 1);
565
566 /* Setup Bank 2 Write */
567 ar5008_rf_bank_setup(ah->analogBank2Data, &ah->iniBank2, 1);
568
569 /* Setup Bank 6 Write */
570 ar5008_rf_bank_setup(ah->analogBank3Data, &ah->iniBank3,
571 modesIndex);
572 {
573 int i;
574 for (i = 0; i < ah->iniBank6TPC.ia_rows; i++) {
575 ah->analogBank6Data[i] =
576 INI_RA(&ah->iniBank6TPC, i, modesIndex);
577 }
578 }
579
580 /* Only the 5 or 2 GHz OB/DB need to be set for a mode */
581 if (eepMinorRev >= 2) {
582 if (IS_CHAN_2GHZ(chan)) {
583 ob2GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_2);
584 db2GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_2);
585 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
586 ob2GHz, 3, 197, 0);
587 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
588 db2GHz, 3, 194, 0);
589 } else {
590 ob5GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_5);
591 db5GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_5);
592 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
593 ob5GHz, 3, 203, 0);
594 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
595 db5GHz, 3, 200, 0);
596 }
597 }
598
599 /* Setup Bank 7 Setup */
600 ar5008_rf_bank_setup(ah->analogBank7Data, &ah->iniBank7, 1);
601
602 /* Write Analog registers */
603 REG_WRITE_RF_ARRAY(&ah->iniBank0, ah->analogBank0Data,
604 regWrites);
605 REG_WRITE_RF_ARRAY(&ah->iniBank1, ah->analogBank1Data,
606 regWrites);
607 REG_WRITE_RF_ARRAY(&ah->iniBank2, ah->analogBank2Data,
608 regWrites);
609 REG_WRITE_RF_ARRAY(&ah->iniBank3, ah->analogBank3Data,
610 regWrites);
611 REG_WRITE_RF_ARRAY(&ah->iniBank6TPC, ah->analogBank6Data,
612 regWrites);
613 REG_WRITE_RF_ARRAY(&ah->iniBank7, ah->analogBank7Data,
614 regWrites);
615
616 return true;
617}
618
619static void ar5008_hw_init_bb(struct ath_hw *ah,
620 struct ath9k_channel *chan)
621{
622 u32 synthDelay;
623
624 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
625 if (IS_CHAN_B(chan))
626 synthDelay = (4 * synthDelay) / 22;
627 else
628 synthDelay /= 10;
629
630 if (IS_CHAN_HALF_RATE(chan))
631 synthDelay *= 2;
632 else if (IS_CHAN_QUARTER_RATE(chan))
633 synthDelay *= 4;
634
635 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
636
637 udelay(synthDelay + BASE_ACTIVATE_DELAY);
638}
639
640static void ar5008_hw_init_chain_masks(struct ath_hw *ah)
641{
642 int rx_chainmask, tx_chainmask;
643
644 rx_chainmask = ah->rxchainmask;
645 tx_chainmask = ah->txchainmask;
646
647
648 switch (rx_chainmask) {
649 case 0x5:
650 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
651 AR_PHY_SWAP_ALT_CHAIN);
652 case 0x3:
653 if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
654 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
655 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
656 break;
657 }
658 case 0x1:
659 case 0x2:
660 case 0x7:
661 ENABLE_REGWRITE_BUFFER(ah);
662 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
663 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
664 break;
665 default:
666 ENABLE_REGWRITE_BUFFER(ah);
667 break;
668 }
669
670 REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask);
671
672 REGWRITE_BUFFER_FLUSH(ah);
673
674 if (tx_chainmask == 0x5) {
675 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
676 AR_PHY_SWAP_ALT_CHAIN);
677 }
678 if (AR_SREV_9100(ah))
679 REG_WRITE(ah, AR_PHY_ANALOG_SWAP,
680 REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001);
681}
682
683static void ar5008_hw_override_ini(struct ath_hw *ah,
684 struct ath9k_channel *chan)
685{
686 u32 val;
687
688 /*
689 * Set the RX_ABORT and RX_DIS and clear if off only after
690 * RXE is set for MAC. This prevents frames with corrupted
691 * descriptor status.
692 */
693 REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
694
695 if (AR_SREV_9280_20_OR_LATER(ah)) {
696 val = REG_READ(ah, AR_PCU_MISC_MODE2);
697
698 if (!AR_SREV_9271(ah))
699 val &= ~AR_PCU_MISC_MODE2_HWWAR1;
700
701 if (AR_SREV_9287_11_OR_LATER(ah))
702 val = val & (~AR_PCU_MISC_MODE2_HWWAR2);
703
704 REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
705 }
706
707 if (!AR_SREV_5416_20_OR_LATER(ah) ||
708 AR_SREV_9280_20_OR_LATER(ah))
709 return;
710 /*
711 * Disable BB clock gating
712 * Necessary to avoid issues on AR5416 2.0
713 */
714 REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
715
716 /*
717 * Disable RIFS search on some chips to avoid baseband
718 * hang issues.
719 */
720 if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) {
721 val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS);
722 val &= ~AR_PHY_RIFS_INIT_DELAY;
723 REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val);
724 }
725}
726
727static void ar5008_hw_set_channel_regs(struct ath_hw *ah,
728 struct ath9k_channel *chan)
729{
730 u32 phymode;
731 u32 enableDacFifo = 0;
732
733 if (AR_SREV_9285_12_OR_LATER(ah))
734 enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) &
735 AR_PHY_FC_ENABLE_DAC_FIFO);
736
737 phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
738 | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo;
739
740 if (IS_CHAN_HT40(chan)) {
741 phymode |= AR_PHY_FC_DYN2040_EN;
742
743 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
744 (chan->chanmode == CHANNEL_G_HT40PLUS))
745 phymode |= AR_PHY_FC_DYN2040_PRI_CH;
746
747 }
748 REG_WRITE(ah, AR_PHY_TURBO, phymode);
749
750 ath9k_hw_set11nmac2040(ah);
751
752 ENABLE_REGWRITE_BUFFER(ah);
753
754 REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
755 REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
756
757 REGWRITE_BUFFER_FLUSH(ah);
758}
759
760
761static int ar5008_hw_process_ini(struct ath_hw *ah,
762 struct ath9k_channel *chan)
763{
764 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
765 struct ath_common *common = ath9k_hw_common(ah);
766 int i, regWrites = 0;
767 struct ieee80211_channel *channel = chan->chan;
768 u32 modesIndex, freqIndex;
769
770 switch (chan->chanmode) {
771 case CHANNEL_A:
772 case CHANNEL_A_HT20:
773 modesIndex = 1;
774 freqIndex = 1;
775 break;
776 case CHANNEL_A_HT40PLUS:
777 case CHANNEL_A_HT40MINUS:
778 modesIndex = 2;
779 freqIndex = 1;
780 break;
781 case CHANNEL_G:
782 case CHANNEL_G_HT20:
783 case CHANNEL_B:
784 modesIndex = 4;
785 freqIndex = 2;
786 break;
787 case CHANNEL_G_HT40PLUS:
788 case CHANNEL_G_HT40MINUS:
789 modesIndex = 3;
790 freqIndex = 2;
791 break;
792
793 default:
794 return -EINVAL;
795 }
796
797 /*
798 * Set correct baseband to analog shift setting to
799 * access analog chips.
800 */
801 REG_WRITE(ah, AR_PHY(0), 0x00000007);
802
803 /* Write ADDAC shifts */
804 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
805 ah->eep_ops->set_addac(ah, chan);
806
807 if (AR_SREV_5416_22_OR_LATER(ah)) {
808 REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
809 } else {
810 struct ar5416IniArray temp;
811 u32 addacSize =
812 sizeof(u32) * ah->iniAddac.ia_rows *
813 ah->iniAddac.ia_columns;
814
815 /* For AR5416 2.0/2.1 */
816 memcpy(ah->addac5416_21,
817 ah->iniAddac.ia_array, addacSize);
818
819 /* override CLKDRV value at [row, column] = [31, 1] */
820 (ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0;
821
822 temp.ia_array = ah->addac5416_21;
823 temp.ia_columns = ah->iniAddac.ia_columns;
824 temp.ia_rows = ah->iniAddac.ia_rows;
825 REG_WRITE_ARRAY(&temp, 1, regWrites);
826 }
827
828 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
829
830 ENABLE_REGWRITE_BUFFER(ah);
831
832 for (i = 0; i < ah->iniModes.ia_rows; i++) {
833 u32 reg = INI_RA(&ah->iniModes, i, 0);
834 u32 val = INI_RA(&ah->iniModes, i, modesIndex);
835
836 if (reg == AR_AN_TOP2 && ah->need_an_top2_fixup)
837 val &= ~AR_AN_TOP2_PWDCLKIND;
838
839 REG_WRITE(ah, reg, val);
840
841 if (reg >= 0x7800 && reg < 0x78a0
842 && ah->config.analog_shiftreg
843 && (common->bus_ops->ath_bus_type != ATH_USB)) {
844 udelay(100);
845 }
846
847 DO_DELAY(regWrites);
848 }
849
850 REGWRITE_BUFFER_FLUSH(ah);
851
852 if (AR_SREV_9280(ah) || AR_SREV_9287_11_OR_LATER(ah))
853 REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites);
854
855 if (AR_SREV_9280(ah) || AR_SREV_9285_12_OR_LATER(ah) ||
856 AR_SREV_9287_11_OR_LATER(ah))
857 REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
858
859 if (AR_SREV_9271_10(ah))
860 REG_WRITE_ARRAY(&ah->iniModes_9271_1_0_only,
861 modesIndex, regWrites);
862
863 ENABLE_REGWRITE_BUFFER(ah);
864
865 /* Write common array parameters */
866 for (i = 0; i < ah->iniCommon.ia_rows; i++) {
867 u32 reg = INI_RA(&ah->iniCommon, i, 0);
868 u32 val = INI_RA(&ah->iniCommon, i, 1);
869
870 REG_WRITE(ah, reg, val);
871
872 if (reg >= 0x7800 && reg < 0x78a0
873 && ah->config.analog_shiftreg
874 && (common->bus_ops->ath_bus_type != ATH_USB)) {
875 udelay(100);
876 }
877
878 DO_DELAY(regWrites);
879 }
880
881 REGWRITE_BUFFER_FLUSH(ah);
882
883 if (AR_SREV_9271(ah)) {
884 if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) == 1)
885 REG_WRITE_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
886 modesIndex, regWrites);
887 else
888 REG_WRITE_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
889 modesIndex, regWrites);
890 }
891
892 REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
893
894 if (IS_CHAN_A_FAST_CLOCK(ah, chan)) {
895 REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex,
896 regWrites);
897 }
898
899 ar5008_hw_override_ini(ah, chan);
900 ar5008_hw_set_channel_regs(ah, chan);
901 ar5008_hw_init_chain_masks(ah);
902 ath9k_olc_init(ah);
903
904 /* Set TX power */
905 ah->eep_ops->set_txpower(ah, chan,
906 ath9k_regd_get_ctl(regulatory, chan),
907 channel->max_antenna_gain * 2,
908 channel->max_power * 2,
909 min((u32) MAX_RATE_POWER,
910 (u32) regulatory->power_limit), false);
911
912 /* Write analog registers */
913 if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
914 ath_err(ath9k_hw_common(ah), "ar5416SetRfRegs failed\n");
915 return -EIO;
916 }
917
918 return 0;
919}
920
921static void ar5008_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan)
922{
923 u32 rfMode = 0;
924
925 if (chan == NULL)
926 return;
927
928 rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
929 ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
930
931 if (!AR_SREV_9280_20_OR_LATER(ah))
932 rfMode |= (IS_CHAN_5GHZ(chan)) ?
933 AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
934
935 if (IS_CHAN_A_FAST_CLOCK(ah, chan))
936 rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
937
938 REG_WRITE(ah, AR_PHY_MODE, rfMode);
939}
940
941static void ar5008_hw_mark_phy_inactive(struct ath_hw *ah)
942{
943 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
944}
945
946static void ar5008_hw_set_delta_slope(struct ath_hw *ah,
947 struct ath9k_channel *chan)
948{
949 u32 coef_scaled, ds_coef_exp, ds_coef_man;
950 u32 clockMhzScaled = 0x64000000;
951 struct chan_centers centers;
952
953 if (IS_CHAN_HALF_RATE(chan))
954 clockMhzScaled = clockMhzScaled >> 1;
955 else if (IS_CHAN_QUARTER_RATE(chan))
956 clockMhzScaled = clockMhzScaled >> 2;
957
958 ath9k_hw_get_channel_centers(ah, chan, ¢ers);
959 coef_scaled = clockMhzScaled / centers.synth_center;
960
961 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
962 &ds_coef_exp);
963
964 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
965 AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
966 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
967 AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
968
969 coef_scaled = (9 * coef_scaled) / 10;
970
971 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
972 &ds_coef_exp);
973
974 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
975 AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
976 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
977 AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
978}
979
980static bool ar5008_hw_rfbus_req(struct ath_hw *ah)
981{
982 REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
983 return ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
984 AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT);
985}
986
987static void ar5008_hw_rfbus_done(struct ath_hw *ah)
988{
989 u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
990 if (IS_CHAN_B(ah->curchan))
991 synthDelay = (4 * synthDelay) / 22;
992 else
993 synthDelay /= 10;
994
995 udelay(synthDelay + BASE_ACTIVATE_DELAY);
996
997 REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
998}
999
1000static void ar5008_restore_chainmask(struct ath_hw *ah)
1001{
1002 int rx_chainmask = ah->rxchainmask;
1003
1004 if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
1005 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
1006 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
1007 }
1008}
1009
1010static void ar5008_set_diversity(struct ath_hw *ah, bool value)
1011{
1012 u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
1013 if (value)
1014 v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
1015 else
1016 v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
1017 REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
1018}
1019
1020static u32 ar9100_hw_compute_pll_control(struct ath_hw *ah,
1021 struct ath9k_channel *chan)
1022{
1023 if (chan && IS_CHAN_5GHZ(chan))
1024 return 0x1450;
1025 return 0x1458;
1026}
1027
1028static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah,
1029 struct ath9k_channel *chan)
1030{
1031 u32 pll;
1032
1033 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
1034
1035 if (chan && IS_CHAN_HALF_RATE(chan))
1036 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
1037 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1038 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
1039
1040 if (chan && IS_CHAN_5GHZ(chan))
1041 pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
1042 else
1043 pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
1044
1045 return pll;
1046}
1047
1048static u32 ar5008_hw_compute_pll_control(struct ath_hw *ah,
1049 struct ath9k_channel *chan)
1050{
1051 u32 pll;
1052
1053 pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
1054
1055 if (chan && IS_CHAN_HALF_RATE(chan))
1056 pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
1057 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1058 pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
1059
1060 if (chan && IS_CHAN_5GHZ(chan))
1061 pll |= SM(0xa, AR_RTC_PLL_DIV);
1062 else
1063 pll |= SM(0xb, AR_RTC_PLL_DIV);
1064
1065 return pll;
1066}
1067
1068static bool ar5008_hw_ani_control_old(struct ath_hw *ah,
1069 enum ath9k_ani_cmd cmd,
1070 int param)
1071{
1072 struct ar5416AniState *aniState = &ah->curchan->ani;
1073 struct ath_common *common = ath9k_hw_common(ah);
1074
1075 switch (cmd & ah->ani_function) {
1076 case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{
1077 u32 level = param;
1078
1079 if (level >= ARRAY_SIZE(ah->totalSizeDesired)) {
1080 ath_dbg(common, ATH_DBG_ANI,
1081 "level out of range (%u > %zu)\n",
1082 level, ARRAY_SIZE(ah->totalSizeDesired));
1083 return false;
1084 }
1085
1086 REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
1087 AR_PHY_DESIRED_SZ_TOT_DES,
1088 ah->totalSizeDesired[level]);
1089 REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
1090 AR_PHY_AGC_CTL1_COARSE_LOW,
1091 ah->coarse_low[level]);
1092 REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
1093 AR_PHY_AGC_CTL1_COARSE_HIGH,
1094 ah->coarse_high[level]);
1095 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1096 AR_PHY_FIND_SIG_FIRPWR,
1097 ah->firpwr[level]);
1098
1099 if (level > aniState->noiseImmunityLevel)
1100 ah->stats.ast_ani_niup++;
1101 else if (level < aniState->noiseImmunityLevel)
1102 ah->stats.ast_ani_nidown++;
1103 aniState->noiseImmunityLevel = level;
1104 break;
1105 }
1106 case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
1107 static const int m1ThreshLow[] = { 127, 50 };
1108 static const int m2ThreshLow[] = { 127, 40 };
1109 static const int m1Thresh[] = { 127, 0x4d };
1110 static const int m2Thresh[] = { 127, 0x40 };
1111 static const int m2CountThr[] = { 31, 16 };
1112 static const int m2CountThrLow[] = { 63, 48 };
1113 u32 on = param ? 1 : 0;
1114
1115 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1116 AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
1117 m1ThreshLow[on]);
1118 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1119 AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
1120 m2ThreshLow[on]);
1121 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1122 AR_PHY_SFCORR_M1_THRESH,
1123 m1Thresh[on]);
1124 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1125 AR_PHY_SFCORR_M2_THRESH,
1126 m2Thresh[on]);
1127 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1128 AR_PHY_SFCORR_M2COUNT_THR,
1129 m2CountThr[on]);
1130 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1131 AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
1132 m2CountThrLow[on]);
1133
1134 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1135 AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
1136 m1ThreshLow[on]);
1137 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1138 AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
1139 m2ThreshLow[on]);
1140 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1141 AR_PHY_SFCORR_EXT_M1_THRESH,
1142 m1Thresh[on]);
1143 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1144 AR_PHY_SFCORR_EXT_M2_THRESH,
1145 m2Thresh[on]);
1146
1147 if (on)
1148 REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
1149 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1150 else
1151 REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
1152 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1153
1154 if (!on != aniState->ofdmWeakSigDetectOff) {
1155 if (on)
1156 ah->stats.ast_ani_ofdmon++;
1157 else
1158 ah->stats.ast_ani_ofdmoff++;
1159 aniState->ofdmWeakSigDetectOff = !on;
1160 }
1161 break;
1162 }
1163 case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{
1164 static const int weakSigThrCck[] = { 8, 6 };
1165 u32 high = param ? 1 : 0;
1166
1167 REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT,
1168 AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK,
1169 weakSigThrCck[high]);
1170 if (high != aniState->cckWeakSigThreshold) {
1171 if (high)
1172 ah->stats.ast_ani_cckhigh++;
1173 else
1174 ah->stats.ast_ani_ccklow++;
1175 aniState->cckWeakSigThreshold = high;
1176 }
1177 break;
1178 }
1179 case ATH9K_ANI_FIRSTEP_LEVEL:{
1180 static const int firstep[] = { 0, 4, 8 };
1181 u32 level = param;
1182
1183 if (level >= ARRAY_SIZE(firstep)) {
1184 ath_dbg(common, ATH_DBG_ANI,
1185 "level out of range (%u > %zu)\n",
1186 level, ARRAY_SIZE(firstep));
1187 return false;
1188 }
1189 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1190 AR_PHY_FIND_SIG_FIRSTEP,
1191 firstep[level]);
1192 if (level > aniState->firstepLevel)
1193 ah->stats.ast_ani_stepup++;
1194 else if (level < aniState->firstepLevel)
1195 ah->stats.ast_ani_stepdown++;
1196 aniState->firstepLevel = level;
1197 break;
1198 }
1199 case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
1200 static const int cycpwrThr1[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
1201 u32 level = param;
1202
1203 if (level >= ARRAY_SIZE(cycpwrThr1)) {
1204 ath_dbg(common, ATH_DBG_ANI,
1205 "level out of range (%u > %zu)\n",
1206 level, ARRAY_SIZE(cycpwrThr1));
1207 return false;
1208 }
1209 REG_RMW_FIELD(ah, AR_PHY_TIMING5,
1210 AR_PHY_TIMING5_CYCPWR_THR1,
1211 cycpwrThr1[level]);
1212 if (level > aniState->spurImmunityLevel)
1213 ah->stats.ast_ani_spurup++;
1214 else if (level < aniState->spurImmunityLevel)
1215 ah->stats.ast_ani_spurdown++;
1216 aniState->spurImmunityLevel = level;
1217 break;
1218 }
1219 case ATH9K_ANI_PRESENT:
1220 break;
1221 default:
1222 ath_dbg(common, ATH_DBG_ANI, "invalid cmd %u\n", cmd);
1223 return false;
1224 }
1225
1226 ath_dbg(common, ATH_DBG_ANI, "ANI parameters:\n");
1227 ath_dbg(common, ATH_DBG_ANI,
1228 "noiseImmunityLevel=%d, spurImmunityLevel=%d, ofdmWeakSigDetectOff=%d\n",
1229 aniState->noiseImmunityLevel,
1230 aniState->spurImmunityLevel,
1231 !aniState->ofdmWeakSigDetectOff);
1232 ath_dbg(common, ATH_DBG_ANI,
1233 "cckWeakSigThreshold=%d, firstepLevel=%d, listenTime=%d\n",
1234 aniState->cckWeakSigThreshold,
1235 aniState->firstepLevel,
1236 aniState->listenTime);
1237 ath_dbg(common, ATH_DBG_ANI,
1238 "ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
1239 aniState->ofdmPhyErrCount,
1240 aniState->cckPhyErrCount);
1241
1242 return true;
1243}
1244
1245static bool ar5008_hw_ani_control_new(struct ath_hw *ah,
1246 enum ath9k_ani_cmd cmd,
1247 int param)
1248{
1249 struct ath_common *common = ath9k_hw_common(ah);
1250 struct ath9k_channel *chan = ah->curchan;
1251 struct ar5416AniState *aniState = &chan->ani;
1252 s32 value, value2;
1253
1254 switch (cmd & ah->ani_function) {
1255 case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
1256 /*
1257 * on == 1 means ofdm weak signal detection is ON
1258 * on == 1 is the default, for less noise immunity
1259 *
1260 * on == 0 means ofdm weak signal detection is OFF
1261 * on == 0 means more noise imm
1262 */
1263 u32 on = param ? 1 : 0;
1264 /*
1265 * make register setting for default
1266 * (weak sig detect ON) come from INI file
1267 */
1268 int m1ThreshLow = on ?
1269 aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
1270 int m2ThreshLow = on ?
1271 aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
1272 int m1Thresh = on ?
1273 aniState->iniDef.m1Thresh : m1Thresh_off;
1274 int m2Thresh = on ?
1275 aniState->iniDef.m2Thresh : m2Thresh_off;
1276 int m2CountThr = on ?
1277 aniState->iniDef.m2CountThr : m2CountThr_off;
1278 int m2CountThrLow = on ?
1279 aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
1280 int m1ThreshLowExt = on ?
1281 aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
1282 int m2ThreshLowExt = on ?
1283 aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
1284 int m1ThreshExt = on ?
1285 aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
1286 int m2ThreshExt = on ?
1287 aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
1288
1289 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1290 AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
1291 m1ThreshLow);
1292 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1293 AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
1294 m2ThreshLow);
1295 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1296 AR_PHY_SFCORR_M1_THRESH, m1Thresh);
1297 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1298 AR_PHY_SFCORR_M2_THRESH, m2Thresh);
1299 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1300 AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
1301 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1302 AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
1303 m2CountThrLow);
1304
1305 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1306 AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
1307 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1308 AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
1309 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1310 AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
1311 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1312 AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
1313
1314 if (on)
1315 REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
1316 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1317 else
1318 REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
1319 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1320
1321 if (!on != aniState->ofdmWeakSigDetectOff) {
1322 ath_dbg(common, ATH_DBG_ANI,
1323 "** ch %d: ofdm weak signal: %s=>%s\n",
1324 chan->channel,
1325 !aniState->ofdmWeakSigDetectOff ?
1326 "on" : "off",
1327 on ? "on" : "off");
1328 if (on)
1329 ah->stats.ast_ani_ofdmon++;
1330 else
1331 ah->stats.ast_ani_ofdmoff++;
1332 aniState->ofdmWeakSigDetectOff = !on;
1333 }
1334 break;
1335 }
1336 case ATH9K_ANI_FIRSTEP_LEVEL:{
1337 u32 level = param;
1338
1339 if (level >= ARRAY_SIZE(firstep_table)) {
1340 ath_dbg(common, ATH_DBG_ANI,
1341 "ATH9K_ANI_FIRSTEP_LEVEL: level out of range (%u > %zu)\n",
1342 level, ARRAY_SIZE(firstep_table));
1343 return false;
1344 }
1345
1346 /*
1347 * make register setting relative to default
1348 * from INI file & cap value
1349 */
1350 value = firstep_table[level] -
1351 firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
1352 aniState->iniDef.firstep;
1353 if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN)
1354 value = ATH9K_SIG_FIRSTEP_SETTING_MIN;
1355 if (value > ATH9K_SIG_FIRSTEP_SETTING_MAX)
1356 value = ATH9K_SIG_FIRSTEP_SETTING_MAX;
1357 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1358 AR_PHY_FIND_SIG_FIRSTEP,
1359 value);
1360 /*
1361 * we need to set first step low register too
1362 * make register setting relative to default
1363 * from INI file & cap value
1364 */
1365 value2 = firstep_table[level] -
1366 firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
1367 aniState->iniDef.firstepLow;
1368 if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN)
1369 value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN;
1370 if (value2 > ATH9K_SIG_FIRSTEP_SETTING_MAX)
1371 value2 = ATH9K_SIG_FIRSTEP_SETTING_MAX;
1372
1373 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW,
1374 AR_PHY_FIND_SIG_FIRSTEP_LOW, value2);
1375
1376 if (level != aniState->firstepLevel) {
1377 ath_dbg(common, ATH_DBG_ANI,
1378 "** ch %d: level %d=>%d[def:%d] firstep[level]=%d ini=%d\n",
1379 chan->channel,
1380 aniState->firstepLevel,
1381 level,
1382 ATH9K_ANI_FIRSTEP_LVL_NEW,
1383 value,
1384 aniState->iniDef.firstep);
1385 ath_dbg(common, ATH_DBG_ANI,
1386 "** ch %d: level %d=>%d[def:%d] firstep_low[level]=%d ini=%d\n",
1387 chan->channel,
1388 aniState->firstepLevel,
1389 level,
1390 ATH9K_ANI_FIRSTEP_LVL_NEW,
1391 value2,
1392 aniState->iniDef.firstepLow);
1393 if (level > aniState->firstepLevel)
1394 ah->stats.ast_ani_stepup++;
1395 else if (level < aniState->firstepLevel)
1396 ah->stats.ast_ani_stepdown++;
1397 aniState->firstepLevel = level;
1398 }
1399 break;
1400 }
1401 case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
1402 u32 level = param;
1403
1404 if (level >= ARRAY_SIZE(cycpwrThr1_table)) {
1405 ath_dbg(common, ATH_DBG_ANI,
1406 "ATH9K_ANI_SPUR_IMMUNITY_LEVEL: level out of range (%u > %zu)\n",
1407 level, ARRAY_SIZE(cycpwrThr1_table));
1408 return false;
1409 }
1410 /*
1411 * make register setting relative to default
1412 * from INI file & cap value
1413 */
1414 value = cycpwrThr1_table[level] -
1415 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
1416 aniState->iniDef.cycpwrThr1;
1417 if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
1418 value = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
1419 if (value > ATH9K_SIG_SPUR_IMM_SETTING_MAX)
1420 value = ATH9K_SIG_SPUR_IMM_SETTING_MAX;
1421 REG_RMW_FIELD(ah, AR_PHY_TIMING5,
1422 AR_PHY_TIMING5_CYCPWR_THR1,
1423 value);
1424
1425 /*
1426 * set AR_PHY_EXT_CCA for extension channel
1427 * make register setting relative to default
1428 * from INI file & cap value
1429 */
1430 value2 = cycpwrThr1_table[level] -
1431 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
1432 aniState->iniDef.cycpwrThr1Ext;
1433 if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
1434 value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
1435 if (value2 > ATH9K_SIG_SPUR_IMM_SETTING_MAX)
1436 value2 = ATH9K_SIG_SPUR_IMM_SETTING_MAX;
1437 REG_RMW_FIELD(ah, AR_PHY_EXT_CCA,
1438 AR_PHY_EXT_TIMING5_CYCPWR_THR1, value2);
1439
1440 if (level != aniState->spurImmunityLevel) {
1441 ath_dbg(common, ATH_DBG_ANI,
1442 "** ch %d: level %d=>%d[def:%d] cycpwrThr1[level]=%d ini=%d\n",
1443 chan->channel,
1444 aniState->spurImmunityLevel,
1445 level,
1446 ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
1447 value,
1448 aniState->iniDef.cycpwrThr1);
1449 ath_dbg(common, ATH_DBG_ANI,
1450 "** ch %d: level %d=>%d[def:%d] cycpwrThr1Ext[level]=%d ini=%d\n",
1451 chan->channel,
1452 aniState->spurImmunityLevel,
1453 level,
1454 ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
1455 value2,
1456 aniState->iniDef.cycpwrThr1Ext);
1457 if (level > aniState->spurImmunityLevel)
1458 ah->stats.ast_ani_spurup++;
1459 else if (level < aniState->spurImmunityLevel)
1460 ah->stats.ast_ani_spurdown++;
1461 aniState->spurImmunityLevel = level;
1462 }
1463 break;
1464 }
1465 case ATH9K_ANI_MRC_CCK:
1466 /*
1467 * You should not see this as AR5008, AR9001, AR9002
1468 * does not have hardware support for MRC CCK.
1469 */
1470 WARN_ON(1);
1471 break;
1472 case ATH9K_ANI_PRESENT:
1473 break;
1474 default:
1475 ath_dbg(common, ATH_DBG_ANI, "invalid cmd %u\n", cmd);
1476 return false;
1477 }
1478
1479 ath_dbg(common, ATH_DBG_ANI,
1480 "ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n",
1481 aniState->spurImmunityLevel,
1482 !aniState->ofdmWeakSigDetectOff ? "on" : "off",
1483 aniState->firstepLevel,
1484 !aniState->mrcCCKOff ? "on" : "off",
1485 aniState->listenTime,
1486 aniState->ofdmPhyErrCount,
1487 aniState->cckPhyErrCount);
1488 return true;
1489}
1490
1491static void ar5008_hw_do_getnf(struct ath_hw *ah,
1492 int16_t nfarray[NUM_NF_READINGS])
1493{
1494 int16_t nf;
1495
1496 nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
1497 nfarray[0] = sign_extend32(nf, 8);
1498
1499 nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR);
1500 nfarray[1] = sign_extend32(nf, 8);
1501
1502 nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
1503 nfarray[2] = sign_extend32(nf, 8);
1504
1505 if (!IS_CHAN_HT40(ah->curchan))
1506 return;
1507
1508 nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
1509 nfarray[3] = sign_extend32(nf, 8);
1510
1511 nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR);
1512 nfarray[4] = sign_extend32(nf, 8);
1513
1514 nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR);
1515 nfarray[5] = sign_extend32(nf, 8);
1516}
1517
1518/*
1519 * Initialize the ANI register values with default (ini) values.
1520 * This routine is called during a (full) hardware reset after
1521 * all the registers are initialised from the INI.
1522 */
1523static void ar5008_hw_ani_cache_ini_regs(struct ath_hw *ah)
1524{
1525 struct ath_common *common = ath9k_hw_common(ah);
1526 struct ath9k_channel *chan = ah->curchan;
1527 struct ar5416AniState *aniState = &chan->ani;
1528 struct ath9k_ani_default *iniDef;
1529 u32 val;
1530
1531 iniDef = &aniState->iniDef;
1532
1533 ath_dbg(common, ATH_DBG_ANI, "ver %d.%d opmode %u chan %d Mhz/0x%x\n",
1534 ah->hw_version.macVersion,
1535 ah->hw_version.macRev,
1536 ah->opmode,
1537 chan->channel,
1538 chan->channelFlags);
1539
1540 val = REG_READ(ah, AR_PHY_SFCORR);
1541 iniDef->m1Thresh = MS(val, AR_PHY_SFCORR_M1_THRESH);
1542 iniDef->m2Thresh = MS(val, AR_PHY_SFCORR_M2_THRESH);
1543 iniDef->m2CountThr = MS(val, AR_PHY_SFCORR_M2COUNT_THR);
1544
1545 val = REG_READ(ah, AR_PHY_SFCORR_LOW);
1546 iniDef->m1ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M1_THRESH_LOW);
1547 iniDef->m2ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M2_THRESH_LOW);
1548 iniDef->m2CountThrLow = MS(val, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW);
1549
1550 val = REG_READ(ah, AR_PHY_SFCORR_EXT);
1551 iniDef->m1ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH);
1552 iniDef->m2ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH);
1553 iniDef->m1ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH_LOW);
1554 iniDef->m2ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH_LOW);
1555 iniDef->firstep = REG_READ_FIELD(ah,
1556 AR_PHY_FIND_SIG,
1557 AR_PHY_FIND_SIG_FIRSTEP);
1558 iniDef->firstepLow = REG_READ_FIELD(ah,
1559 AR_PHY_FIND_SIG_LOW,
1560 AR_PHY_FIND_SIG_FIRSTEP_LOW);
1561 iniDef->cycpwrThr1 = REG_READ_FIELD(ah,
1562 AR_PHY_TIMING5,
1563 AR_PHY_TIMING5_CYCPWR_THR1);
1564 iniDef->cycpwrThr1Ext = REG_READ_FIELD(ah,
1565 AR_PHY_EXT_CCA,
1566 AR_PHY_EXT_TIMING5_CYCPWR_THR1);
1567
1568 /* these levels just got reset to defaults by the INI */
1569 aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
1570 aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
1571 aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG;
1572 aniState->mrcCCKOff = true; /* not available on pre AR9003 */
1573}
1574
1575static void ar5008_hw_set_nf_limits(struct ath_hw *ah)
1576{
1577 ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
1578 ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
1579 ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
1580 ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
1581 ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
1582 ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
1583}
1584
1585static void ar5008_hw_set_radar_params(struct ath_hw *ah,
1586 struct ath_hw_radar_conf *conf)
1587{
1588 u32 radar_0 = 0, radar_1 = 0;
1589
1590 if (!conf) {
1591 REG_CLR_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_ENA);
1592 return;
1593 }
1594
1595 radar_0 |= AR_PHY_RADAR_0_ENA | AR_PHY_RADAR_0_FFT_ENA;
1596 radar_0 |= SM(conf->fir_power, AR_PHY_RADAR_0_FIRPWR);
1597 radar_0 |= SM(conf->radar_rssi, AR_PHY_RADAR_0_RRSSI);
1598 radar_0 |= SM(conf->pulse_height, AR_PHY_RADAR_0_HEIGHT);
1599 radar_0 |= SM(conf->pulse_rssi, AR_PHY_RADAR_0_PRSSI);
1600 radar_0 |= SM(conf->pulse_inband, AR_PHY_RADAR_0_INBAND);
1601
1602 radar_1 |= AR_PHY_RADAR_1_MAX_RRSSI;
1603 radar_1 |= AR_PHY_RADAR_1_BLOCK_CHECK;
1604 radar_1 |= SM(conf->pulse_maxlen, AR_PHY_RADAR_1_MAXLEN);
1605 radar_1 |= SM(conf->pulse_inband_step, AR_PHY_RADAR_1_RELSTEP_THRESH);
1606 radar_1 |= SM(conf->radar_inband, AR_PHY_RADAR_1_RELPWR_THRESH);
1607
1608 REG_WRITE(ah, AR_PHY_RADAR_0, radar_0);
1609 REG_WRITE(ah, AR_PHY_RADAR_1, radar_1);
1610 if (conf->ext_channel)
1611 REG_SET_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA);
1612 else
1613 REG_CLR_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA);
1614}
1615
1616static void ar5008_hw_set_radar_conf(struct ath_hw *ah)
1617{
1618 struct ath_hw_radar_conf *conf = &ah->radar_conf;
1619
1620 conf->fir_power = -33;
1621 conf->radar_rssi = 20;
1622 conf->pulse_height = 10;
1623 conf->pulse_rssi = 24;
1624 conf->pulse_inband = 15;
1625 conf->pulse_maxlen = 255;
1626 conf->pulse_inband_step = 12;
1627 conf->radar_inband = 8;
1628}
1629
1630void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
1631{
1632 struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
1633 static const u32 ar5416_cca_regs[6] = {
1634 AR_PHY_CCA,
1635 AR_PHY_CH1_CCA,
1636 AR_PHY_CH2_CCA,
1637 AR_PHY_EXT_CCA,
1638 AR_PHY_CH1_EXT_CCA,
1639 AR_PHY_CH2_EXT_CCA
1640 };
1641
1642 priv_ops->rf_set_freq = ar5008_hw_set_channel;
1643 priv_ops->spur_mitigate_freq = ar5008_hw_spur_mitigate;
1644
1645 priv_ops->rf_alloc_ext_banks = ar5008_hw_rf_alloc_ext_banks;
1646 priv_ops->rf_free_ext_banks = ar5008_hw_rf_free_ext_banks;
1647 priv_ops->set_rf_regs = ar5008_hw_set_rf_regs;
1648 priv_ops->set_channel_regs = ar5008_hw_set_channel_regs;
1649 priv_ops->init_bb = ar5008_hw_init_bb;
1650 priv_ops->process_ini = ar5008_hw_process_ini;
1651 priv_ops->set_rfmode = ar5008_hw_set_rfmode;
1652 priv_ops->mark_phy_inactive = ar5008_hw_mark_phy_inactive;
1653 priv_ops->set_delta_slope = ar5008_hw_set_delta_slope;
1654 priv_ops->rfbus_req = ar5008_hw_rfbus_req;
1655 priv_ops->rfbus_done = ar5008_hw_rfbus_done;
1656 priv_ops->restore_chainmask = ar5008_restore_chainmask;
1657 priv_ops->set_diversity = ar5008_set_diversity;
1658 priv_ops->do_getnf = ar5008_hw_do_getnf;
1659 priv_ops->set_radar_params = ar5008_hw_set_radar_params;
1660
1661 if (modparam_force_new_ani) {
1662 priv_ops->ani_control = ar5008_hw_ani_control_new;
1663 priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs;
1664 } else
1665 priv_ops->ani_control = ar5008_hw_ani_control_old;
1666
1667 if (AR_SREV_9100(ah))
1668 priv_ops->compute_pll_control = ar9100_hw_compute_pll_control;
1669 else if (AR_SREV_9160_10_OR_LATER(ah))
1670 priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
1671 else
1672 priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;
1673
1674 ar5008_hw_set_nf_limits(ah);
1675 ar5008_hw_set_radar_conf(ah);
1676 memcpy(ah->nf_regs, ar5416_cca_regs, sizeof(ah->nf_regs));
1677}
1/*
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
3 *
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.
7 *
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.
15 */
16
17#include "hw.h"
18#include "hw-ops.h"
19#include "../regd.h"
20#include "ar9002_phy.h"
21#include "ar5008_initvals.h"
22
23/* All code below is for AR5008, AR9001, AR9002 */
24
25static const int firstep_table[] =
26/* level: 0 1 2 3 4 5 6 7 8 */
27 { -4, -2, 0, 2, 4, 6, 8, 10, 12 }; /* lvl 0-8, default 2 */
28
29/*
30 * register values to turn OFDM weak signal detection OFF
31 */
32static const int m1ThreshLow_off = 127;
33static const int m2ThreshLow_off = 127;
34static const int m1Thresh_off = 127;
35static const int m2Thresh_off = 127;
36static const int m2CountThr_off = 31;
37static const int m2CountThrLow_off = 63;
38static const int m1ThreshLowExt_off = 127;
39static const int m2ThreshLowExt_off = 127;
40static const int m1ThreshExt_off = 127;
41static const int m2ThreshExt_off = 127;
42
43static const struct ar5416IniArray bank0 = STATIC_INI_ARRAY(ar5416Bank0);
44static const struct ar5416IniArray bank1 = STATIC_INI_ARRAY(ar5416Bank1);
45static const struct ar5416IniArray bank2 = STATIC_INI_ARRAY(ar5416Bank2);
46static const struct ar5416IniArray bank3 = STATIC_INI_ARRAY(ar5416Bank3);
47static const struct ar5416IniArray bank7 = STATIC_INI_ARRAY(ar5416Bank7);
48
49static void ar5008_write_bank6(struct ath_hw *ah, unsigned int *writecnt)
50{
51 struct ar5416IniArray *array = &ah->iniBank6;
52 u32 *data = ah->analogBank6Data;
53 int r;
54
55 ENABLE_REGWRITE_BUFFER(ah);
56
57 for (r = 0; r < array->ia_rows; r++) {
58 REG_WRITE(ah, INI_RA(array, r, 0), data[r]);
59 DO_DELAY(*writecnt);
60 }
61
62 REGWRITE_BUFFER_FLUSH(ah);
63}
64
65/**
66 * ar5008_hw_phy_modify_rx_buffer() - perform analog swizzling of parameters
67 * @rfbuf:
68 * @reg32:
69 * @numBits:
70 * @firstBit:
71 * @column:
72 *
73 * Performs analog "swizzling" of parameters into their location.
74 * Used on external AR2133/AR5133 radios.
75 */
76static void ar5008_hw_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
77 u32 numBits, u32 firstBit,
78 u32 column)
79{
80 u32 tmp32, mask, arrayEntry, lastBit;
81 int32_t bitPosition, bitsLeft;
82
83 tmp32 = ath9k_hw_reverse_bits(reg32, numBits);
84 arrayEntry = (firstBit - 1) / 8;
85 bitPosition = (firstBit - 1) % 8;
86 bitsLeft = numBits;
87 while (bitsLeft > 0) {
88 lastBit = (bitPosition + bitsLeft > 8) ?
89 8 : bitPosition + bitsLeft;
90 mask = (((1 << lastBit) - 1) ^ ((1 << bitPosition) - 1)) <<
91 (column * 8);
92 rfBuf[arrayEntry] &= ~mask;
93 rfBuf[arrayEntry] |= ((tmp32 << bitPosition) <<
94 (column * 8)) & mask;
95 bitsLeft -= 8 - bitPosition;
96 tmp32 = tmp32 >> (8 - bitPosition);
97 bitPosition = 0;
98 arrayEntry++;
99 }
100}
101
102/*
103 * Fix on 2.4 GHz band for orientation sensitivity issue by increasing
104 * rf_pwd_icsyndiv.
105 *
106 * Theoretical Rules:
107 * if 2 GHz band
108 * if forceBiasAuto
109 * if synth_freq < 2412
110 * bias = 0
111 * else if 2412 <= synth_freq <= 2422
112 * bias = 1
113 * else // synth_freq > 2422
114 * bias = 2
115 * else if forceBias > 0
116 * bias = forceBias & 7
117 * else
118 * no change, use value from ini file
119 * else
120 * no change, invalid band
121 *
122 * 1st Mod:
123 * 2422 also uses value of 2
124 * <approved>
125 *
126 * 2nd Mod:
127 * Less than 2412 uses value of 0, 2412 and above uses value of 2
128 */
129static void ar5008_hw_force_bias(struct ath_hw *ah, u16 synth_freq)
130{
131 struct ath_common *common = ath9k_hw_common(ah);
132 u32 tmp_reg;
133 int reg_writes = 0;
134 u32 new_bias = 0;
135
136 if (!AR_SREV_5416(ah) || synth_freq >= 3000)
137 return;
138
139 BUG_ON(AR_SREV_9280_20_OR_LATER(ah));
140
141 if (synth_freq < 2412)
142 new_bias = 0;
143 else if (synth_freq < 2422)
144 new_bias = 1;
145 else
146 new_bias = 2;
147
148 /* pre-reverse this field */
149 tmp_reg = ath9k_hw_reverse_bits(new_bias, 3);
150
151 ath_dbg(common, CONFIG, "Force rf_pwd_icsyndiv to %1d on %4d\n",
152 new_bias, synth_freq);
153
154 /* swizzle rf_pwd_icsyndiv */
155 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data, tmp_reg, 3, 181, 3);
156
157 /* write Bank 6 with new params */
158 ar5008_write_bank6(ah, ®_writes);
159}
160
161/**
162 * ar5008_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
163 * @ah: atheros hardware structure
164 * @chan:
165 *
166 * For the external AR2133/AR5133 radios, takes the MHz channel value and set
167 * the channel value. Assumes writes enabled to analog bus and bank6 register
168 * cache in ah->analogBank6Data.
169 */
170static int ar5008_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
171{
172 struct ath_common *common = ath9k_hw_common(ah);
173 u32 channelSel = 0;
174 u32 bModeSynth = 0;
175 u32 aModeRefSel = 0;
176 u32 reg32 = 0;
177 u16 freq;
178 struct chan_centers centers;
179
180 ath9k_hw_get_channel_centers(ah, chan, ¢ers);
181 freq = centers.synth_center;
182
183 if (freq < 4800) {
184 u32 txctl;
185
186 if (((freq - 2192) % 5) == 0) {
187 channelSel = ((freq - 672) * 2 - 3040) / 10;
188 bModeSynth = 0;
189 } else if (((freq - 2224) % 5) == 0) {
190 channelSel = ((freq - 704) * 2 - 3040) / 10;
191 bModeSynth = 1;
192 } else {
193 ath_err(common, "Invalid channel %u MHz\n", freq);
194 return -EINVAL;
195 }
196
197 channelSel = (channelSel << 2) & 0xff;
198 channelSel = ath9k_hw_reverse_bits(channelSel, 8);
199
200 txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
201 if (freq == 2484) {
202
203 REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
204 txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
205 } else {
206 REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
207 txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN);
208 }
209
210 } else if ((freq % 20) == 0 && freq >= 5120) {
211 channelSel =
212 ath9k_hw_reverse_bits(((freq - 4800) / 20 << 2), 8);
213 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
214 } else if ((freq % 10) == 0) {
215 channelSel =
216 ath9k_hw_reverse_bits(((freq - 4800) / 10 << 1), 8);
217 if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
218 aModeRefSel = ath9k_hw_reverse_bits(2, 2);
219 else
220 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
221 } else if ((freq % 5) == 0) {
222 channelSel = ath9k_hw_reverse_bits((freq - 4800) / 5, 8);
223 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
224 } else {
225 ath_err(common, "Invalid channel %u MHz\n", freq);
226 return -EINVAL;
227 }
228
229 ar5008_hw_force_bias(ah, freq);
230
231 reg32 =
232 (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
233 (1 << 5) | 0x1;
234
235 REG_WRITE(ah, AR_PHY(0x37), reg32);
236
237 ah->curchan = chan;
238
239 return 0;
240}
241
242/**
243 * ar5008_hw_spur_mitigate - convert baseband spur frequency for external radios
244 * @ah: atheros hardware structure
245 * @chan:
246 *
247 * For non single-chip solutions. Converts to baseband spur frequency given the
248 * input channel frequency and compute register settings below.
249 */
250static void ar5008_hw_spur_mitigate(struct ath_hw *ah,
251 struct ath9k_channel *chan)
252{
253 int bb_spur = AR_NO_SPUR;
254 int bin, cur_bin;
255 int spur_freq_sd;
256 int spur_delta_phase;
257 int denominator;
258 int upper, lower, cur_vit_mask;
259 int tmp, new;
260 int i;
261 static int pilot_mask_reg[4] = {
262 AR_PHY_TIMING7, AR_PHY_TIMING8,
263 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
264 };
265 static int chan_mask_reg[4] = {
266 AR_PHY_TIMING9, AR_PHY_TIMING10,
267 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
268 };
269 static int inc[4] = { 0, 100, 0, 0 };
270
271 int8_t mask_m[123];
272 int8_t mask_p[123];
273 int8_t mask_amt;
274 int tmp_mask;
275 int cur_bb_spur;
276 bool is2GHz = IS_CHAN_2GHZ(chan);
277
278 memset(&mask_m, 0, sizeof(int8_t) * 123);
279 memset(&mask_p, 0, sizeof(int8_t) * 123);
280
281 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
282 cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
283 if (AR_NO_SPUR == cur_bb_spur)
284 break;
285 cur_bb_spur = cur_bb_spur - (chan->channel * 10);
286 if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
287 bb_spur = cur_bb_spur;
288 break;
289 }
290 }
291
292 if (AR_NO_SPUR == bb_spur)
293 return;
294
295 bin = bb_spur * 32;
296
297 tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
298 new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
299 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
300 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
301 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
302
303 REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
304
305 new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
306 AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
307 AR_PHY_SPUR_REG_MASK_RATE_SELECT |
308 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
309 SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
310 REG_WRITE(ah, AR_PHY_SPUR_REG, new);
311
312 spur_delta_phase = ((bb_spur * 524288) / 100) &
313 AR_PHY_TIMING11_SPUR_DELTA_PHASE;
314
315 denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
316 spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
317
318 new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
319 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
320 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
321 REG_WRITE(ah, AR_PHY_TIMING11, new);
322
323 cur_bin = -6000;
324 upper = bin + 100;
325 lower = bin - 100;
326
327 for (i = 0; i < 4; i++) {
328 int pilot_mask = 0;
329 int chan_mask = 0;
330 int bp = 0;
331 for (bp = 0; bp < 30; bp++) {
332 if ((cur_bin > lower) && (cur_bin < upper)) {
333 pilot_mask = pilot_mask | 0x1 << bp;
334 chan_mask = chan_mask | 0x1 << bp;
335 }
336 cur_bin += 100;
337 }
338 cur_bin += inc[i];
339 REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
340 REG_WRITE(ah, chan_mask_reg[i], chan_mask);
341 }
342
343 cur_vit_mask = 6100;
344 upper = bin + 120;
345 lower = bin - 120;
346
347 for (i = 0; i < 123; i++) {
348 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
349
350 /* workaround for gcc bug #37014 */
351 volatile int tmp_v = abs(cur_vit_mask - bin);
352
353 if (tmp_v < 75)
354 mask_amt = 1;
355 else
356 mask_amt = 0;
357 if (cur_vit_mask < 0)
358 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
359 else
360 mask_p[cur_vit_mask / 100] = mask_amt;
361 }
362 cur_vit_mask -= 100;
363 }
364
365 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
366 | (mask_m[48] << 26) | (mask_m[49] << 24)
367 | (mask_m[50] << 22) | (mask_m[51] << 20)
368 | (mask_m[52] << 18) | (mask_m[53] << 16)
369 | (mask_m[54] << 14) | (mask_m[55] << 12)
370 | (mask_m[56] << 10) | (mask_m[57] << 8)
371 | (mask_m[58] << 6) | (mask_m[59] << 4)
372 | (mask_m[60] << 2) | (mask_m[61] << 0);
373 REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
374 REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
375
376 tmp_mask = (mask_m[31] << 28)
377 | (mask_m[32] << 26) | (mask_m[33] << 24)
378 | (mask_m[34] << 22) | (mask_m[35] << 20)
379 | (mask_m[36] << 18) | (mask_m[37] << 16)
380 | (mask_m[48] << 14) | (mask_m[39] << 12)
381 | (mask_m[40] << 10) | (mask_m[41] << 8)
382 | (mask_m[42] << 6) | (mask_m[43] << 4)
383 | (mask_m[44] << 2) | (mask_m[45] << 0);
384 REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
385 REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
386
387 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
388 | (mask_m[18] << 26) | (mask_m[18] << 24)
389 | (mask_m[20] << 22) | (mask_m[20] << 20)
390 | (mask_m[22] << 18) | (mask_m[22] << 16)
391 | (mask_m[24] << 14) | (mask_m[24] << 12)
392 | (mask_m[25] << 10) | (mask_m[26] << 8)
393 | (mask_m[27] << 6) | (mask_m[28] << 4)
394 | (mask_m[29] << 2) | (mask_m[30] << 0);
395 REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
396 REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
397
398 tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
399 | (mask_m[2] << 26) | (mask_m[3] << 24)
400 | (mask_m[4] << 22) | (mask_m[5] << 20)
401 | (mask_m[6] << 18) | (mask_m[7] << 16)
402 | (mask_m[8] << 14) | (mask_m[9] << 12)
403 | (mask_m[10] << 10) | (mask_m[11] << 8)
404 | (mask_m[12] << 6) | (mask_m[13] << 4)
405 | (mask_m[14] << 2) | (mask_m[15] << 0);
406 REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
407 REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
408
409 tmp_mask = (mask_p[15] << 28)
410 | (mask_p[14] << 26) | (mask_p[13] << 24)
411 | (mask_p[12] << 22) | (mask_p[11] << 20)
412 | (mask_p[10] << 18) | (mask_p[9] << 16)
413 | (mask_p[8] << 14) | (mask_p[7] << 12)
414 | (mask_p[6] << 10) | (mask_p[5] << 8)
415 | (mask_p[4] << 6) | (mask_p[3] << 4)
416 | (mask_p[2] << 2) | (mask_p[1] << 0);
417 REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
418 REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
419
420 tmp_mask = (mask_p[30] << 28)
421 | (mask_p[29] << 26) | (mask_p[28] << 24)
422 | (mask_p[27] << 22) | (mask_p[26] << 20)
423 | (mask_p[25] << 18) | (mask_p[24] << 16)
424 | (mask_p[23] << 14) | (mask_p[22] << 12)
425 | (mask_p[21] << 10) | (mask_p[20] << 8)
426 | (mask_p[19] << 6) | (mask_p[18] << 4)
427 | (mask_p[17] << 2) | (mask_p[16] << 0);
428 REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
429 REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
430
431 tmp_mask = (mask_p[45] << 28)
432 | (mask_p[44] << 26) | (mask_p[43] << 24)
433 | (mask_p[42] << 22) | (mask_p[41] << 20)
434 | (mask_p[40] << 18) | (mask_p[39] << 16)
435 | (mask_p[38] << 14) | (mask_p[37] << 12)
436 | (mask_p[36] << 10) | (mask_p[35] << 8)
437 | (mask_p[34] << 6) | (mask_p[33] << 4)
438 | (mask_p[32] << 2) | (mask_p[31] << 0);
439 REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
440 REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
441
442 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
443 | (mask_p[59] << 26) | (mask_p[58] << 24)
444 | (mask_p[57] << 22) | (mask_p[56] << 20)
445 | (mask_p[55] << 18) | (mask_p[54] << 16)
446 | (mask_p[53] << 14) | (mask_p[52] << 12)
447 | (mask_p[51] << 10) | (mask_p[50] << 8)
448 | (mask_p[49] << 6) | (mask_p[48] << 4)
449 | (mask_p[47] << 2) | (mask_p[46] << 0);
450 REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
451 REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
452}
453
454/**
455 * ar5008_hw_rf_alloc_ext_banks - allocates banks for external radio programming
456 * @ah: atheros hardware structure
457 *
458 * Only required for older devices with external AR2133/AR5133 radios.
459 */
460static int ar5008_hw_rf_alloc_ext_banks(struct ath_hw *ah)
461{
462 int size = ah->iniBank6.ia_rows * sizeof(u32);
463
464 if (AR_SREV_9280_20_OR_LATER(ah))
465 return 0;
466
467 ah->analogBank6Data = devm_kzalloc(ah->dev, size, GFP_KERNEL);
468 if (!ah->analogBank6Data)
469 return -ENOMEM;
470
471 return 0;
472}
473
474
475/* *
476 * ar5008_hw_set_rf_regs - programs rf registers based on EEPROM
477 * @ah: atheros hardware structure
478 * @chan:
479 * @modesIndex:
480 *
481 * Used for the external AR2133/AR5133 radios.
482 *
483 * Reads the EEPROM header info from the device structure and programs
484 * all rf registers. This routine requires access to the analog
485 * rf device. This is not required for single-chip devices.
486 */
487static bool ar5008_hw_set_rf_regs(struct ath_hw *ah,
488 struct ath9k_channel *chan,
489 u16 modesIndex)
490{
491 u32 eepMinorRev;
492 u32 ob5GHz = 0, db5GHz = 0;
493 u32 ob2GHz = 0, db2GHz = 0;
494 int regWrites = 0;
495 int i;
496
497 /*
498 * Software does not need to program bank data
499 * for single chip devices, that is AR9280 or anything
500 * after that.
501 */
502 if (AR_SREV_9280_20_OR_LATER(ah))
503 return true;
504
505 /* Setup rf parameters */
506 eepMinorRev = ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV);
507
508 for (i = 0; i < ah->iniBank6.ia_rows; i++)
509 ah->analogBank6Data[i] = INI_RA(&ah->iniBank6, i, modesIndex);
510
511 /* Only the 5 or 2 GHz OB/DB need to be set for a mode */
512 if (eepMinorRev >= 2) {
513 if (IS_CHAN_2GHZ(chan)) {
514 ob2GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_2);
515 db2GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_2);
516 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
517 ob2GHz, 3, 197, 0);
518 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
519 db2GHz, 3, 194, 0);
520 } else {
521 ob5GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_5);
522 db5GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_5);
523 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
524 ob5GHz, 3, 203, 0);
525 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
526 db5GHz, 3, 200, 0);
527 }
528 }
529
530 /* Write Analog registers */
531 REG_WRITE_ARRAY(&bank0, 1, regWrites);
532 REG_WRITE_ARRAY(&bank1, 1, regWrites);
533 REG_WRITE_ARRAY(&bank2, 1, regWrites);
534 REG_WRITE_ARRAY(&bank3, modesIndex, regWrites);
535 ar5008_write_bank6(ah, ®Writes);
536 REG_WRITE_ARRAY(&bank7, 1, regWrites);
537
538 return true;
539}
540
541static void ar5008_hw_init_bb(struct ath_hw *ah,
542 struct ath9k_channel *chan)
543{
544 u32 synthDelay;
545
546 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
547
548 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
549
550 ath9k_hw_synth_delay(ah, chan, synthDelay);
551}
552
553static void ar5008_hw_init_chain_masks(struct ath_hw *ah)
554{
555 int rx_chainmask, tx_chainmask;
556
557 rx_chainmask = ah->rxchainmask;
558 tx_chainmask = ah->txchainmask;
559
560
561 switch (rx_chainmask) {
562 case 0x5:
563 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
564 AR_PHY_SWAP_ALT_CHAIN);
565 case 0x3:
566 if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
567 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
568 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
569 break;
570 }
571 case 0x1:
572 case 0x2:
573 case 0x7:
574 ENABLE_REGWRITE_BUFFER(ah);
575 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
576 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
577 break;
578 default:
579 ENABLE_REGWRITE_BUFFER(ah);
580 break;
581 }
582
583 REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask);
584
585 REGWRITE_BUFFER_FLUSH(ah);
586
587 if (tx_chainmask == 0x5) {
588 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
589 AR_PHY_SWAP_ALT_CHAIN);
590 }
591 if (AR_SREV_9100(ah))
592 REG_WRITE(ah, AR_PHY_ANALOG_SWAP,
593 REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001);
594}
595
596static void ar5008_hw_override_ini(struct ath_hw *ah,
597 struct ath9k_channel *chan)
598{
599 u32 val;
600
601 /*
602 * Set the RX_ABORT and RX_DIS and clear if off only after
603 * RXE is set for MAC. This prevents frames with corrupted
604 * descriptor status.
605 */
606 REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
607
608 if (AR_SREV_9280_20_OR_LATER(ah)) {
609 /*
610 * For AR9280 and above, there is a new feature that allows
611 * Multicast search based on both MAC Address and Key ID.
612 * By default, this feature is enabled. But since the driver
613 * is not using this feature, we switch it off; otherwise
614 * multicast search based on MAC addr only will fail.
615 */
616 val = REG_READ(ah, AR_PCU_MISC_MODE2) &
617 (~AR_ADHOC_MCAST_KEYID_ENABLE);
618
619 if (!AR_SREV_9271(ah))
620 val &= ~AR_PCU_MISC_MODE2_HWWAR1;
621
622 if (AR_SREV_9287_11_OR_LATER(ah))
623 val = val & (~AR_PCU_MISC_MODE2_HWWAR2);
624
625 val |= AR_PCU_MISC_MODE2_CFP_IGNORE;
626
627 REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
628 }
629
630 if (AR_SREV_9280_20_OR_LATER(ah))
631 return;
632 /*
633 * Disable BB clock gating
634 * Necessary to avoid issues on AR5416 2.0
635 */
636 REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
637
638 /*
639 * Disable RIFS search on some chips to avoid baseband
640 * hang issues.
641 */
642 if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) {
643 val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS);
644 val &= ~AR_PHY_RIFS_INIT_DELAY;
645 REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val);
646 }
647}
648
649static void ar5008_hw_set_channel_regs(struct ath_hw *ah,
650 struct ath9k_channel *chan)
651{
652 u32 phymode;
653 u32 enableDacFifo = 0;
654
655 if (AR_SREV_9285_12_OR_LATER(ah))
656 enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) &
657 AR_PHY_FC_ENABLE_DAC_FIFO);
658
659 phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
660 | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo;
661
662 if (IS_CHAN_HT40(chan)) {
663 phymode |= AR_PHY_FC_DYN2040_EN;
664
665 if (IS_CHAN_HT40PLUS(chan))
666 phymode |= AR_PHY_FC_DYN2040_PRI_CH;
667
668 }
669 REG_WRITE(ah, AR_PHY_TURBO, phymode);
670
671 ath9k_hw_set11nmac2040(ah, chan);
672
673 ENABLE_REGWRITE_BUFFER(ah);
674
675 REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
676 REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
677
678 REGWRITE_BUFFER_FLUSH(ah);
679}
680
681
682static int ar5008_hw_process_ini(struct ath_hw *ah,
683 struct ath9k_channel *chan)
684{
685 struct ath_common *common = ath9k_hw_common(ah);
686 int i, regWrites = 0;
687 u32 modesIndex, freqIndex;
688
689 if (IS_CHAN_5GHZ(chan)) {
690 freqIndex = 1;
691 modesIndex = IS_CHAN_HT40(chan) ? 2 : 1;
692 } else {
693 freqIndex = 2;
694 modesIndex = IS_CHAN_HT40(chan) ? 3 : 4;
695 }
696
697 /*
698 * Set correct baseband to analog shift setting to
699 * access analog chips.
700 */
701 REG_WRITE(ah, AR_PHY(0), 0x00000007);
702
703 /* Write ADDAC shifts */
704 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
705 if (ah->eep_ops->set_addac)
706 ah->eep_ops->set_addac(ah, chan);
707
708 REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
709 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
710
711 ENABLE_REGWRITE_BUFFER(ah);
712
713 for (i = 0; i < ah->iniModes.ia_rows; i++) {
714 u32 reg = INI_RA(&ah->iniModes, i, 0);
715 u32 val = INI_RA(&ah->iniModes, i, modesIndex);
716
717 if (reg == AR_AN_TOP2 && ah->need_an_top2_fixup)
718 val &= ~AR_AN_TOP2_PWDCLKIND;
719
720 REG_WRITE(ah, reg, val);
721
722 if (reg >= 0x7800 && reg < 0x78a0
723 && ah->config.analog_shiftreg
724 && (common->bus_ops->ath_bus_type != ATH_USB)) {
725 udelay(100);
726 }
727
728 DO_DELAY(regWrites);
729 }
730
731 REGWRITE_BUFFER_FLUSH(ah);
732
733 if (AR_SREV_9280(ah) || AR_SREV_9287_11_OR_LATER(ah))
734 REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites);
735
736 if (AR_SREV_9280(ah) || AR_SREV_9285_12_OR_LATER(ah) ||
737 AR_SREV_9287_11_OR_LATER(ah))
738 REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
739
740 if (AR_SREV_9271_10(ah)) {
741 REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, AR_PHY_SPECTRAL_SCAN_ENA);
742 REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_ADC_ON, 0xa);
743 }
744
745 ENABLE_REGWRITE_BUFFER(ah);
746
747 /* Write common array parameters */
748 for (i = 0; i < ah->iniCommon.ia_rows; i++) {
749 u32 reg = INI_RA(&ah->iniCommon, i, 0);
750 u32 val = INI_RA(&ah->iniCommon, i, 1);
751
752 REG_WRITE(ah, reg, val);
753
754 if (reg >= 0x7800 && reg < 0x78a0
755 && ah->config.analog_shiftreg
756 && (common->bus_ops->ath_bus_type != ATH_USB)) {
757 udelay(100);
758 }
759
760 DO_DELAY(regWrites);
761 }
762
763 REGWRITE_BUFFER_FLUSH(ah);
764
765 REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
766
767 if (IS_CHAN_A_FAST_CLOCK(ah, chan))
768 REG_WRITE_ARRAY(&ah->iniModesFastClock, modesIndex,
769 regWrites);
770
771 ar5008_hw_override_ini(ah, chan);
772 ar5008_hw_set_channel_regs(ah, chan);
773 ar5008_hw_init_chain_masks(ah);
774 ath9k_olc_init(ah);
775 ath9k_hw_apply_txpower(ah, chan, false);
776
777 /* Write analog registers */
778 if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
779 ath_err(ath9k_hw_common(ah), "ar5416SetRfRegs failed\n");
780 return -EIO;
781 }
782
783 return 0;
784}
785
786static void ar5008_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan)
787{
788 u32 rfMode = 0;
789
790 if (chan == NULL)
791 return;
792
793 if (IS_CHAN_2GHZ(chan))
794 rfMode |= AR_PHY_MODE_DYNAMIC;
795 else
796 rfMode |= AR_PHY_MODE_OFDM;
797
798 if (!AR_SREV_9280_20_OR_LATER(ah))
799 rfMode |= (IS_CHAN_5GHZ(chan)) ?
800 AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
801
802 if (IS_CHAN_A_FAST_CLOCK(ah, chan))
803 rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
804
805 REG_WRITE(ah, AR_PHY_MODE, rfMode);
806}
807
808static void ar5008_hw_mark_phy_inactive(struct ath_hw *ah)
809{
810 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
811}
812
813static void ar5008_hw_set_delta_slope(struct ath_hw *ah,
814 struct ath9k_channel *chan)
815{
816 u32 coef_scaled, ds_coef_exp, ds_coef_man;
817 u32 clockMhzScaled = 0x64000000;
818 struct chan_centers centers;
819
820 if (IS_CHAN_HALF_RATE(chan))
821 clockMhzScaled = clockMhzScaled >> 1;
822 else if (IS_CHAN_QUARTER_RATE(chan))
823 clockMhzScaled = clockMhzScaled >> 2;
824
825 ath9k_hw_get_channel_centers(ah, chan, ¢ers);
826 coef_scaled = clockMhzScaled / centers.synth_center;
827
828 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
829 &ds_coef_exp);
830
831 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
832 AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
833 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
834 AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
835
836 coef_scaled = (9 * coef_scaled) / 10;
837
838 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
839 &ds_coef_exp);
840
841 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
842 AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
843 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
844 AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
845}
846
847static bool ar5008_hw_rfbus_req(struct ath_hw *ah)
848{
849 REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
850 return ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
851 AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT);
852}
853
854static void ar5008_hw_rfbus_done(struct ath_hw *ah)
855{
856 u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
857
858 ath9k_hw_synth_delay(ah, ah->curchan, synthDelay);
859
860 REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
861}
862
863static void ar5008_restore_chainmask(struct ath_hw *ah)
864{
865 int rx_chainmask = ah->rxchainmask;
866
867 if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
868 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
869 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
870 }
871}
872
873static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah,
874 struct ath9k_channel *chan)
875{
876 u32 pll;
877
878 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
879
880 if (chan && IS_CHAN_HALF_RATE(chan))
881 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
882 else if (chan && IS_CHAN_QUARTER_RATE(chan))
883 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
884
885 if (chan && IS_CHAN_5GHZ(chan))
886 pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
887 else
888 pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
889
890 return pll;
891}
892
893static u32 ar5008_hw_compute_pll_control(struct ath_hw *ah,
894 struct ath9k_channel *chan)
895{
896 u32 pll;
897
898 pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
899
900 if (chan && IS_CHAN_HALF_RATE(chan))
901 pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
902 else if (chan && IS_CHAN_QUARTER_RATE(chan))
903 pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
904
905 if (chan && IS_CHAN_5GHZ(chan))
906 pll |= SM(0xa, AR_RTC_PLL_DIV);
907 else
908 pll |= SM(0xb, AR_RTC_PLL_DIV);
909
910 return pll;
911}
912
913static bool ar5008_hw_ani_control_new(struct ath_hw *ah,
914 enum ath9k_ani_cmd cmd,
915 int param)
916{
917 struct ath_common *common = ath9k_hw_common(ah);
918 struct ath9k_channel *chan = ah->curchan;
919 struct ar5416AniState *aniState = &ah->ani;
920 s32 value;
921
922 switch (cmd & ah->ani_function) {
923 case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
924 /*
925 * on == 1 means ofdm weak signal detection is ON
926 * on == 1 is the default, for less noise immunity
927 *
928 * on == 0 means ofdm weak signal detection is OFF
929 * on == 0 means more noise imm
930 */
931 u32 on = param ? 1 : 0;
932 /*
933 * make register setting for default
934 * (weak sig detect ON) come from INI file
935 */
936 int m1ThreshLow = on ?
937 aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
938 int m2ThreshLow = on ?
939 aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
940 int m1Thresh = on ?
941 aniState->iniDef.m1Thresh : m1Thresh_off;
942 int m2Thresh = on ?
943 aniState->iniDef.m2Thresh : m2Thresh_off;
944 int m2CountThr = on ?
945 aniState->iniDef.m2CountThr : m2CountThr_off;
946 int m2CountThrLow = on ?
947 aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
948 int m1ThreshLowExt = on ?
949 aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
950 int m2ThreshLowExt = on ?
951 aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
952 int m1ThreshExt = on ?
953 aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
954 int m2ThreshExt = on ?
955 aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
956
957 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
958 AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
959 m1ThreshLow);
960 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
961 AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
962 m2ThreshLow);
963 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
964 AR_PHY_SFCORR_M1_THRESH, m1Thresh);
965 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
966 AR_PHY_SFCORR_M2_THRESH, m2Thresh);
967 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
968 AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
969 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
970 AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
971 m2CountThrLow);
972
973 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
974 AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
975 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
976 AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
977 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
978 AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
979 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
980 AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
981
982 if (on)
983 REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
984 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
985 else
986 REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
987 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
988
989 if (on != aniState->ofdmWeakSigDetect) {
990 ath_dbg(common, ANI,
991 "** ch %d: ofdm weak signal: %s=>%s\n",
992 chan->channel,
993 aniState->ofdmWeakSigDetect ?
994 "on" : "off",
995 on ? "on" : "off");
996 if (on)
997 ah->stats.ast_ani_ofdmon++;
998 else
999 ah->stats.ast_ani_ofdmoff++;
1000 aniState->ofdmWeakSigDetect = on;
1001 }
1002 break;
1003 }
1004 case ATH9K_ANI_FIRSTEP_LEVEL:{
1005 u32 level = param;
1006
1007 value = level;
1008 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1009 AR_PHY_FIND_SIG_FIRSTEP, value);
1010
1011 if (level != aniState->firstepLevel) {
1012 ath_dbg(common, ANI,
1013 "** ch %d: level %d=>%d[def:%d] firstep[level]=%d ini=%d\n",
1014 chan->channel,
1015 aniState->firstepLevel,
1016 level,
1017 ATH9K_ANI_FIRSTEP_LVL,
1018 value,
1019 aniState->iniDef.firstep);
1020 ath_dbg(common, ANI,
1021 "** ch %d: level %d=>%d[def:%d] firstep_low[level]=%d ini=%d\n",
1022 chan->channel,
1023 aniState->firstepLevel,
1024 level,
1025 ATH9K_ANI_FIRSTEP_LVL,
1026 value,
1027 aniState->iniDef.firstepLow);
1028 if (level > aniState->firstepLevel)
1029 ah->stats.ast_ani_stepup++;
1030 else if (level < aniState->firstepLevel)
1031 ah->stats.ast_ani_stepdown++;
1032 aniState->firstepLevel = level;
1033 }
1034 break;
1035 }
1036 case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
1037 u32 level = param;
1038
1039 value = (level + 1) * 2;
1040 REG_RMW_FIELD(ah, AR_PHY_TIMING5,
1041 AR_PHY_TIMING5_CYCPWR_THR1, value);
1042
1043 if (IS_CHAN_HT40(ah->curchan))
1044 REG_RMW_FIELD(ah, AR_PHY_EXT_CCA,
1045 AR_PHY_EXT_TIMING5_CYCPWR_THR1, value);
1046
1047 if (level != aniState->spurImmunityLevel) {
1048 ath_dbg(common, ANI,
1049 "** ch %d: level %d=>%d[def:%d] cycpwrThr1[level]=%d ini=%d\n",
1050 chan->channel,
1051 aniState->spurImmunityLevel,
1052 level,
1053 ATH9K_ANI_SPUR_IMMUNE_LVL,
1054 value,
1055 aniState->iniDef.cycpwrThr1);
1056 ath_dbg(common, ANI,
1057 "** ch %d: level %d=>%d[def:%d] cycpwrThr1Ext[level]=%d ini=%d\n",
1058 chan->channel,
1059 aniState->spurImmunityLevel,
1060 level,
1061 ATH9K_ANI_SPUR_IMMUNE_LVL,
1062 value,
1063 aniState->iniDef.cycpwrThr1Ext);
1064 if (level > aniState->spurImmunityLevel)
1065 ah->stats.ast_ani_spurup++;
1066 else if (level < aniState->spurImmunityLevel)
1067 ah->stats.ast_ani_spurdown++;
1068 aniState->spurImmunityLevel = level;
1069 }
1070 break;
1071 }
1072 case ATH9K_ANI_MRC_CCK:
1073 /*
1074 * You should not see this as AR5008, AR9001, AR9002
1075 * does not have hardware support for MRC CCK.
1076 */
1077 WARN_ON(1);
1078 break;
1079 default:
1080 ath_dbg(common, ANI, "invalid cmd %u\n", cmd);
1081 return false;
1082 }
1083
1084 ath_dbg(common, ANI,
1085 "ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n",
1086 aniState->spurImmunityLevel,
1087 aniState->ofdmWeakSigDetect ? "on" : "off",
1088 aniState->firstepLevel,
1089 aniState->mrcCCK ? "on" : "off",
1090 aniState->listenTime,
1091 aniState->ofdmPhyErrCount,
1092 aniState->cckPhyErrCount);
1093 return true;
1094}
1095
1096static void ar5008_hw_do_getnf(struct ath_hw *ah,
1097 int16_t nfarray[NUM_NF_READINGS])
1098{
1099 int16_t nf;
1100
1101 nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
1102 nfarray[0] = sign_extend32(nf, 8);
1103
1104 nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR);
1105 nfarray[1] = sign_extend32(nf, 8);
1106
1107 nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
1108 nfarray[2] = sign_extend32(nf, 8);
1109
1110 if (!IS_CHAN_HT40(ah->curchan))
1111 return;
1112
1113 nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
1114 nfarray[3] = sign_extend32(nf, 8);
1115
1116 nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR);
1117 nfarray[4] = sign_extend32(nf, 8);
1118
1119 nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR);
1120 nfarray[5] = sign_extend32(nf, 8);
1121}
1122
1123/*
1124 * Initialize the ANI register values with default (ini) values.
1125 * This routine is called during a (full) hardware reset after
1126 * all the registers are initialised from the INI.
1127 */
1128static void ar5008_hw_ani_cache_ini_regs(struct ath_hw *ah)
1129{
1130 struct ath_common *common = ath9k_hw_common(ah);
1131 struct ath9k_channel *chan = ah->curchan;
1132 struct ar5416AniState *aniState = &ah->ani;
1133 struct ath9k_ani_default *iniDef;
1134 u32 val;
1135
1136 iniDef = &aniState->iniDef;
1137
1138 ath_dbg(common, ANI, "ver %d.%d opmode %u chan %d Mhz\n",
1139 ah->hw_version.macVersion,
1140 ah->hw_version.macRev,
1141 ah->opmode,
1142 chan->channel);
1143
1144 val = REG_READ(ah, AR_PHY_SFCORR);
1145 iniDef->m1Thresh = MS(val, AR_PHY_SFCORR_M1_THRESH);
1146 iniDef->m2Thresh = MS(val, AR_PHY_SFCORR_M2_THRESH);
1147 iniDef->m2CountThr = MS(val, AR_PHY_SFCORR_M2COUNT_THR);
1148
1149 val = REG_READ(ah, AR_PHY_SFCORR_LOW);
1150 iniDef->m1ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M1_THRESH_LOW);
1151 iniDef->m2ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M2_THRESH_LOW);
1152 iniDef->m2CountThrLow = MS(val, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW);
1153
1154 val = REG_READ(ah, AR_PHY_SFCORR_EXT);
1155 iniDef->m1ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH);
1156 iniDef->m2ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH);
1157 iniDef->m1ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH_LOW);
1158 iniDef->m2ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH_LOW);
1159 iniDef->firstep = REG_READ_FIELD(ah,
1160 AR_PHY_FIND_SIG,
1161 AR_PHY_FIND_SIG_FIRSTEP);
1162 iniDef->firstepLow = REG_READ_FIELD(ah,
1163 AR_PHY_FIND_SIG_LOW,
1164 AR_PHY_FIND_SIG_FIRSTEP_LOW);
1165 iniDef->cycpwrThr1 = REG_READ_FIELD(ah,
1166 AR_PHY_TIMING5,
1167 AR_PHY_TIMING5_CYCPWR_THR1);
1168 iniDef->cycpwrThr1Ext = REG_READ_FIELD(ah,
1169 AR_PHY_EXT_CCA,
1170 AR_PHY_EXT_TIMING5_CYCPWR_THR1);
1171
1172 /* these levels just got reset to defaults by the INI */
1173 aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
1174 aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
1175 aniState->ofdmWeakSigDetect = true;
1176 aniState->mrcCCK = false; /* not available on pre AR9003 */
1177}
1178
1179static void ar5008_hw_set_nf_limits(struct ath_hw *ah)
1180{
1181 ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
1182 ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
1183 ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
1184 ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
1185 ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
1186 ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
1187}
1188
1189static void ar5008_hw_set_radar_params(struct ath_hw *ah,
1190 struct ath_hw_radar_conf *conf)
1191{
1192 u32 radar_0 = 0, radar_1 = 0;
1193
1194 if (!conf) {
1195 REG_CLR_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_ENA);
1196 return;
1197 }
1198
1199 radar_0 |= AR_PHY_RADAR_0_ENA | AR_PHY_RADAR_0_FFT_ENA;
1200 radar_0 |= SM(conf->fir_power, AR_PHY_RADAR_0_FIRPWR);
1201 radar_0 |= SM(conf->radar_rssi, AR_PHY_RADAR_0_RRSSI);
1202 radar_0 |= SM(conf->pulse_height, AR_PHY_RADAR_0_HEIGHT);
1203 radar_0 |= SM(conf->pulse_rssi, AR_PHY_RADAR_0_PRSSI);
1204 radar_0 |= SM(conf->pulse_inband, AR_PHY_RADAR_0_INBAND);
1205
1206 radar_1 |= AR_PHY_RADAR_1_MAX_RRSSI;
1207 radar_1 |= AR_PHY_RADAR_1_BLOCK_CHECK;
1208 radar_1 |= SM(conf->pulse_maxlen, AR_PHY_RADAR_1_MAXLEN);
1209 radar_1 |= SM(conf->pulse_inband_step, AR_PHY_RADAR_1_RELSTEP_THRESH);
1210 radar_1 |= SM(conf->radar_inband, AR_PHY_RADAR_1_RELPWR_THRESH);
1211
1212 REG_WRITE(ah, AR_PHY_RADAR_0, radar_0);
1213 REG_WRITE(ah, AR_PHY_RADAR_1, radar_1);
1214 if (conf->ext_channel)
1215 REG_SET_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA);
1216 else
1217 REG_CLR_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA);
1218}
1219
1220static void ar5008_hw_set_radar_conf(struct ath_hw *ah)
1221{
1222 struct ath_hw_radar_conf *conf = &ah->radar_conf;
1223
1224 conf->fir_power = -33;
1225 conf->radar_rssi = 20;
1226 conf->pulse_height = 10;
1227 conf->pulse_rssi = 24;
1228 conf->pulse_inband = 15;
1229 conf->pulse_maxlen = 255;
1230 conf->pulse_inband_step = 12;
1231 conf->radar_inband = 8;
1232}
1233
1234int ar5008_hw_attach_phy_ops(struct ath_hw *ah)
1235{
1236 struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
1237 static const u32 ar5416_cca_regs[6] = {
1238 AR_PHY_CCA,
1239 AR_PHY_CH1_CCA,
1240 AR_PHY_CH2_CCA,
1241 AR_PHY_EXT_CCA,
1242 AR_PHY_CH1_EXT_CCA,
1243 AR_PHY_CH2_EXT_CCA
1244 };
1245 int ret;
1246
1247 ret = ar5008_hw_rf_alloc_ext_banks(ah);
1248 if (ret)
1249 return ret;
1250
1251 priv_ops->rf_set_freq = ar5008_hw_set_channel;
1252 priv_ops->spur_mitigate_freq = ar5008_hw_spur_mitigate;
1253
1254 priv_ops->set_rf_regs = ar5008_hw_set_rf_regs;
1255 priv_ops->set_channel_regs = ar5008_hw_set_channel_regs;
1256 priv_ops->init_bb = ar5008_hw_init_bb;
1257 priv_ops->process_ini = ar5008_hw_process_ini;
1258 priv_ops->set_rfmode = ar5008_hw_set_rfmode;
1259 priv_ops->mark_phy_inactive = ar5008_hw_mark_phy_inactive;
1260 priv_ops->set_delta_slope = ar5008_hw_set_delta_slope;
1261 priv_ops->rfbus_req = ar5008_hw_rfbus_req;
1262 priv_ops->rfbus_done = ar5008_hw_rfbus_done;
1263 priv_ops->restore_chainmask = ar5008_restore_chainmask;
1264 priv_ops->do_getnf = ar5008_hw_do_getnf;
1265 priv_ops->set_radar_params = ar5008_hw_set_radar_params;
1266
1267 priv_ops->ani_control = ar5008_hw_ani_control_new;
1268 priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs;
1269
1270 if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
1271 priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
1272 else
1273 priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;
1274
1275 ar5008_hw_set_nf_limits(ah);
1276 ar5008_hw_set_radar_conf(ah);
1277 memcpy(ah->nf_regs, ar5416_cca_regs, sizeof(ah->nf_regs));
1278 return 0;
1279}