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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next
[deliverable/linux.git] / drivers / net / wireless / ath / ath9k / ar5008_phy.c
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
24 static 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
28 static 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 */
35 static const int m1ThreshLow_off = 127;
36 static const int m2ThreshLow_off = 127;
37 static const int m1Thresh_off = 127;
38 static const int m2Thresh_off = 127;
39 static const int m2CountThr_off = 31;
40 static const int m2CountThrLow_off = 63;
41 static const int m1ThreshLowExt_off = 127;
42 static const int m2ThreshLowExt_off = 127;
43 static const int m1ThreshExt_off = 127;
44 static const int m2ThreshExt_off = 127;
45
46
47 static 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
60 static 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 */
86 static 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 */
139 static 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, 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 */
180 static 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, &centers);
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 */
261 static 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 */
471 static 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 */
506 static 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 */
540 static 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
619 static 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
640 static 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
683 static 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 REG_SET_BIT(ah, AR_PHY_CCK_DETECT,
708 AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV);
709
710 if (AR_SREV_9280_20_OR_LATER(ah))
711 return;
712 /*
713 * Disable BB clock gating
714 * Necessary to avoid issues on AR5416 2.0
715 */
716 REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
717
718 /*
719 * Disable RIFS search on some chips to avoid baseband
720 * hang issues.
721 */
722 if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) {
723 val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS);
724 val &= ~AR_PHY_RIFS_INIT_DELAY;
725 REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val);
726 }
727 }
728
729 static void ar5008_hw_set_channel_regs(struct ath_hw *ah,
730 struct ath9k_channel *chan)
731 {
732 u32 phymode;
733 u32 enableDacFifo = 0;
734
735 if (AR_SREV_9285_12_OR_LATER(ah))
736 enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) &
737 AR_PHY_FC_ENABLE_DAC_FIFO);
738
739 phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
740 | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo;
741
742 if (IS_CHAN_HT40(chan)) {
743 phymode |= AR_PHY_FC_DYN2040_EN;
744
745 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
746 (chan->chanmode == CHANNEL_G_HT40PLUS))
747 phymode |= AR_PHY_FC_DYN2040_PRI_CH;
748
749 }
750 REG_WRITE(ah, AR_PHY_TURBO, phymode);
751
752 ath9k_hw_set11nmac2040(ah);
753
754 ENABLE_REGWRITE_BUFFER(ah);
755
756 REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
757 REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
758
759 REGWRITE_BUFFER_FLUSH(ah);
760 }
761
762
763 static int ar5008_hw_process_ini(struct ath_hw *ah,
764 struct ath9k_channel *chan)
765 {
766 struct ath_common *common = ath9k_hw_common(ah);
767 int i, regWrites = 0;
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 if (ah->eep_ops->set_addac)
806 ah->eep_ops->set_addac(ah, chan);
807
808 if (AR_SREV_5416_22_OR_LATER(ah)) {
809 REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
810 } else {
811 struct ar5416IniArray temp;
812 u32 addacSize =
813 sizeof(u32) * ah->iniAddac.ia_rows *
814 ah->iniAddac.ia_columns;
815
816 /* For AR5416 2.0/2.1 */
817 memcpy(ah->addac5416_21,
818 ah->iniAddac.ia_array, addacSize);
819
820 /* override CLKDRV value at [row, column] = [31, 1] */
821 (ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0;
822
823 temp.ia_array = ah->addac5416_21;
824 temp.ia_columns = ah->iniAddac.ia_columns;
825 temp.ia_rows = ah->iniAddac.ia_rows;
826 REG_WRITE_ARRAY(&temp, 1, regWrites);
827 }
828
829 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
830
831 ENABLE_REGWRITE_BUFFER(ah);
832
833 for (i = 0; i < ah->iniModes.ia_rows; i++) {
834 u32 reg = INI_RA(&ah->iniModes, i, 0);
835 u32 val = INI_RA(&ah->iniModes, i, modesIndex);
836
837 if (reg == AR_AN_TOP2 && ah->need_an_top2_fixup)
838 val &= ~AR_AN_TOP2_PWDCLKIND;
839
840 REG_WRITE(ah, reg, val);
841
842 if (reg >= 0x7800 && reg < 0x78a0
843 && ah->config.analog_shiftreg
844 && (common->bus_ops->ath_bus_type != ATH_USB)) {
845 udelay(100);
846 }
847
848 DO_DELAY(regWrites);
849 }
850
851 REGWRITE_BUFFER_FLUSH(ah);
852
853 if (AR_SREV_9280(ah) || AR_SREV_9287_11_OR_LATER(ah))
854 REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites);
855
856 if (AR_SREV_9280(ah) || AR_SREV_9285_12_OR_LATER(ah) ||
857 AR_SREV_9287_11_OR_LATER(ah))
858 REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
859
860 if (AR_SREV_9271_10(ah))
861 REG_WRITE_ARRAY(&ah->iniModes_9271_1_0_only,
862 modesIndex, regWrites);
863
864 ENABLE_REGWRITE_BUFFER(ah);
865
866 /* Write common array parameters */
867 for (i = 0; i < ah->iniCommon.ia_rows; i++) {
868 u32 reg = INI_RA(&ah->iniCommon, i, 0);
869 u32 val = INI_RA(&ah->iniCommon, i, 1);
870
871 REG_WRITE(ah, reg, val);
872
873 if (reg >= 0x7800 && reg < 0x78a0
874 && ah->config.analog_shiftreg
875 && (common->bus_ops->ath_bus_type != ATH_USB)) {
876 udelay(100);
877 }
878
879 DO_DELAY(regWrites);
880 }
881
882 REGWRITE_BUFFER_FLUSH(ah);
883
884 if (AR_SREV_9271(ah)) {
885 if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) == 1)
886 REG_WRITE_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
887 modesIndex, regWrites);
888 else
889 REG_WRITE_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
890 modesIndex, regWrites);
891 }
892
893 REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
894
895 if (IS_CHAN_A_FAST_CLOCK(ah, chan)) {
896 REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex,
897 regWrites);
898 }
899
900 ar5008_hw_override_ini(ah, chan);
901 ar5008_hw_set_channel_regs(ah, chan);
902 ar5008_hw_init_chain_masks(ah);
903 ath9k_olc_init(ah);
904 ath9k_hw_apply_txpower(ah, chan);
905
906 /* Write analog registers */
907 if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
908 ath_err(ath9k_hw_common(ah), "ar5416SetRfRegs failed\n");
909 return -EIO;
910 }
911
912 return 0;
913 }
914
915 static void ar5008_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan)
916 {
917 u32 rfMode = 0;
918
919 if (chan == NULL)
920 return;
921
922 rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
923 ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
924
925 if (!AR_SREV_9280_20_OR_LATER(ah))
926 rfMode |= (IS_CHAN_5GHZ(chan)) ?
927 AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
928
929 if (IS_CHAN_A_FAST_CLOCK(ah, chan))
930 rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
931
932 REG_WRITE(ah, AR_PHY_MODE, rfMode);
933 }
934
935 static void ar5008_hw_mark_phy_inactive(struct ath_hw *ah)
936 {
937 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
938 }
939
940 static void ar5008_hw_set_delta_slope(struct ath_hw *ah,
941 struct ath9k_channel *chan)
942 {
943 u32 coef_scaled, ds_coef_exp, ds_coef_man;
944 u32 clockMhzScaled = 0x64000000;
945 struct chan_centers centers;
946
947 if (IS_CHAN_HALF_RATE(chan))
948 clockMhzScaled = clockMhzScaled >> 1;
949 else if (IS_CHAN_QUARTER_RATE(chan))
950 clockMhzScaled = clockMhzScaled >> 2;
951
952 ath9k_hw_get_channel_centers(ah, chan, &centers);
953 coef_scaled = clockMhzScaled / centers.synth_center;
954
955 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
956 &ds_coef_exp);
957
958 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
959 AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
960 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
961 AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
962
963 coef_scaled = (9 * coef_scaled) / 10;
964
965 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
966 &ds_coef_exp);
967
968 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
969 AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
970 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
971 AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
972 }
973
974 static bool ar5008_hw_rfbus_req(struct ath_hw *ah)
975 {
976 REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
977 return ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
978 AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT);
979 }
980
981 static void ar5008_hw_rfbus_done(struct ath_hw *ah)
982 {
983 u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
984 if (IS_CHAN_B(ah->curchan))
985 synthDelay = (4 * synthDelay) / 22;
986 else
987 synthDelay /= 10;
988
989 udelay(synthDelay + BASE_ACTIVATE_DELAY);
990
991 REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
992 }
993
994 static void ar5008_restore_chainmask(struct ath_hw *ah)
995 {
996 int rx_chainmask = ah->rxchainmask;
997
998 if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
999 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
1000 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
1001 }
1002 }
1003
1004 static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah,
1005 struct ath9k_channel *chan)
1006 {
1007 u32 pll;
1008
1009 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
1010
1011 if (chan && IS_CHAN_HALF_RATE(chan))
1012 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
1013 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1014 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
1015
1016 if (chan && IS_CHAN_5GHZ(chan))
1017 pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
1018 else
1019 pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
1020
1021 return pll;
1022 }
1023
1024 static u32 ar5008_hw_compute_pll_control(struct ath_hw *ah,
1025 struct ath9k_channel *chan)
1026 {
1027 u32 pll;
1028
1029 pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
1030
1031 if (chan && IS_CHAN_HALF_RATE(chan))
1032 pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
1033 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1034 pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
1035
1036 if (chan && IS_CHAN_5GHZ(chan))
1037 pll |= SM(0xa, AR_RTC_PLL_DIV);
1038 else
1039 pll |= SM(0xb, AR_RTC_PLL_DIV);
1040
1041 return pll;
1042 }
1043
1044 static bool ar5008_hw_ani_control_old(struct ath_hw *ah,
1045 enum ath9k_ani_cmd cmd,
1046 int param)
1047 {
1048 struct ar5416AniState *aniState = &ah->curchan->ani;
1049 struct ath_common *common = ath9k_hw_common(ah);
1050
1051 switch (cmd & ah->ani_function) {
1052 case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{
1053 u32 level = param;
1054
1055 if (level >= ARRAY_SIZE(ah->totalSizeDesired)) {
1056 ath_dbg(common, ANI, "level out of range (%u > %zu)\n",
1057 level, ARRAY_SIZE(ah->totalSizeDesired));
1058 return false;
1059 }
1060
1061 REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
1062 AR_PHY_DESIRED_SZ_TOT_DES,
1063 ah->totalSizeDesired[level]);
1064 REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
1065 AR_PHY_AGC_CTL1_COARSE_LOW,
1066 ah->coarse_low[level]);
1067 REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
1068 AR_PHY_AGC_CTL1_COARSE_HIGH,
1069 ah->coarse_high[level]);
1070 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1071 AR_PHY_FIND_SIG_FIRPWR,
1072 ah->firpwr[level]);
1073
1074 if (level > aniState->noiseImmunityLevel)
1075 ah->stats.ast_ani_niup++;
1076 else if (level < aniState->noiseImmunityLevel)
1077 ah->stats.ast_ani_nidown++;
1078 aniState->noiseImmunityLevel = level;
1079 break;
1080 }
1081 case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
1082 static const int m1ThreshLow[] = { 127, 50 };
1083 static const int m2ThreshLow[] = { 127, 40 };
1084 static const int m1Thresh[] = { 127, 0x4d };
1085 static const int m2Thresh[] = { 127, 0x40 };
1086 static const int m2CountThr[] = { 31, 16 };
1087 static const int m2CountThrLow[] = { 63, 48 };
1088 u32 on = param ? 1 : 0;
1089
1090 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1091 AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
1092 m1ThreshLow[on]);
1093 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1094 AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
1095 m2ThreshLow[on]);
1096 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1097 AR_PHY_SFCORR_M1_THRESH,
1098 m1Thresh[on]);
1099 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1100 AR_PHY_SFCORR_M2_THRESH,
1101 m2Thresh[on]);
1102 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1103 AR_PHY_SFCORR_M2COUNT_THR,
1104 m2CountThr[on]);
1105 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1106 AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
1107 m2CountThrLow[on]);
1108
1109 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1110 AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
1111 m1ThreshLow[on]);
1112 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1113 AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
1114 m2ThreshLow[on]);
1115 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1116 AR_PHY_SFCORR_EXT_M1_THRESH,
1117 m1Thresh[on]);
1118 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1119 AR_PHY_SFCORR_EXT_M2_THRESH,
1120 m2Thresh[on]);
1121
1122 if (on)
1123 REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
1124 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1125 else
1126 REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
1127 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1128
1129 if (!on != aniState->ofdmWeakSigDetectOff) {
1130 if (on)
1131 ah->stats.ast_ani_ofdmon++;
1132 else
1133 ah->stats.ast_ani_ofdmoff++;
1134 aniState->ofdmWeakSigDetectOff = !on;
1135 }
1136 break;
1137 }
1138 case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{
1139 static const int weakSigThrCck[] = { 8, 6 };
1140 u32 high = param ? 1 : 0;
1141
1142 REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT,
1143 AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK,
1144 weakSigThrCck[high]);
1145 if (high != aniState->cckWeakSigThreshold) {
1146 if (high)
1147 ah->stats.ast_ani_cckhigh++;
1148 else
1149 ah->stats.ast_ani_ccklow++;
1150 aniState->cckWeakSigThreshold = high;
1151 }
1152 break;
1153 }
1154 case ATH9K_ANI_FIRSTEP_LEVEL:{
1155 static const int firstep[] = { 0, 4, 8 };
1156 u32 level = param;
1157
1158 if (level >= ARRAY_SIZE(firstep)) {
1159 ath_dbg(common, ANI, "level out of range (%u > %zu)\n",
1160 level, ARRAY_SIZE(firstep));
1161 return false;
1162 }
1163 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1164 AR_PHY_FIND_SIG_FIRSTEP,
1165 firstep[level]);
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;
1171 break;
1172 }
1173 case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
1174 static const int cycpwrThr1[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
1175 u32 level = param;
1176
1177 if (level >= ARRAY_SIZE(cycpwrThr1)) {
1178 ath_dbg(common, ANI, "level out of range (%u > %zu)\n",
1179 level, ARRAY_SIZE(cycpwrThr1));
1180 return false;
1181 }
1182 REG_RMW_FIELD(ah, AR_PHY_TIMING5,
1183 AR_PHY_TIMING5_CYCPWR_THR1,
1184 cycpwrThr1[level]);
1185 if (level > aniState->spurImmunityLevel)
1186 ah->stats.ast_ani_spurup++;
1187 else if (level < aniState->spurImmunityLevel)
1188 ah->stats.ast_ani_spurdown++;
1189 aniState->spurImmunityLevel = level;
1190 break;
1191 }
1192 case ATH9K_ANI_PRESENT:
1193 break;
1194 default:
1195 ath_dbg(common, ANI, "invalid cmd %u\n", cmd);
1196 return false;
1197 }
1198
1199 ath_dbg(common, ANI, "ANI parameters:\n");
1200 ath_dbg(common, ANI,
1201 "noiseImmunityLevel=%d, spurImmunityLevel=%d, ofdmWeakSigDetectOff=%d\n",
1202 aniState->noiseImmunityLevel,
1203 aniState->spurImmunityLevel,
1204 !aniState->ofdmWeakSigDetectOff);
1205 ath_dbg(common, ANI,
1206 "cckWeakSigThreshold=%d, firstepLevel=%d, listenTime=%d\n",
1207 aniState->cckWeakSigThreshold,
1208 aniState->firstepLevel,
1209 aniState->listenTime);
1210 ath_dbg(common, ANI, "ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
1211 aniState->ofdmPhyErrCount,
1212 aniState->cckPhyErrCount);
1213
1214 return true;
1215 }
1216
1217 static bool ar5008_hw_ani_control_new(struct ath_hw *ah,
1218 enum ath9k_ani_cmd cmd,
1219 int param)
1220 {
1221 struct ath_common *common = ath9k_hw_common(ah);
1222 struct ath9k_channel *chan = ah->curchan;
1223 struct ar5416AniState *aniState = &chan->ani;
1224 s32 value, value2;
1225
1226 switch (cmd & ah->ani_function) {
1227 case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
1228 /*
1229 * on == 1 means ofdm weak signal detection is ON
1230 * on == 1 is the default, for less noise immunity
1231 *
1232 * on == 0 means ofdm weak signal detection is OFF
1233 * on == 0 means more noise imm
1234 */
1235 u32 on = param ? 1 : 0;
1236 /*
1237 * make register setting for default
1238 * (weak sig detect ON) come from INI file
1239 */
1240 int m1ThreshLow = on ?
1241 aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
1242 int m2ThreshLow = on ?
1243 aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
1244 int m1Thresh = on ?
1245 aniState->iniDef.m1Thresh : m1Thresh_off;
1246 int m2Thresh = on ?
1247 aniState->iniDef.m2Thresh : m2Thresh_off;
1248 int m2CountThr = on ?
1249 aniState->iniDef.m2CountThr : m2CountThr_off;
1250 int m2CountThrLow = on ?
1251 aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
1252 int m1ThreshLowExt = on ?
1253 aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
1254 int m2ThreshLowExt = on ?
1255 aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
1256 int m1ThreshExt = on ?
1257 aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
1258 int m2ThreshExt = on ?
1259 aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
1260
1261 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1262 AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
1263 m1ThreshLow);
1264 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1265 AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
1266 m2ThreshLow);
1267 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1268 AR_PHY_SFCORR_M1_THRESH, m1Thresh);
1269 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1270 AR_PHY_SFCORR_M2_THRESH, m2Thresh);
1271 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1272 AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
1273 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1274 AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
1275 m2CountThrLow);
1276
1277 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1278 AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
1279 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1280 AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
1281 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1282 AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
1283 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1284 AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
1285
1286 if (on)
1287 REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
1288 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1289 else
1290 REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
1291 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1292
1293 if (!on != aniState->ofdmWeakSigDetectOff) {
1294 ath_dbg(common, ANI,
1295 "** ch %d: ofdm weak signal: %s=>%s\n",
1296 chan->channel,
1297 !aniState->ofdmWeakSigDetectOff ?
1298 "on" : "off",
1299 on ? "on" : "off");
1300 if (on)
1301 ah->stats.ast_ani_ofdmon++;
1302 else
1303 ah->stats.ast_ani_ofdmoff++;
1304 aniState->ofdmWeakSigDetectOff = !on;
1305 }
1306 break;
1307 }
1308 case ATH9K_ANI_FIRSTEP_LEVEL:{
1309 u32 level = param;
1310
1311 if (level >= ARRAY_SIZE(firstep_table)) {
1312 ath_dbg(common, ANI,
1313 "ATH9K_ANI_FIRSTEP_LEVEL: level out of range (%u > %zu)\n",
1314 level, ARRAY_SIZE(firstep_table));
1315 return false;
1316 }
1317
1318 /*
1319 * make register setting relative to default
1320 * from INI file & cap value
1321 */
1322 value = firstep_table[level] -
1323 firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
1324 aniState->iniDef.firstep;
1325 if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN)
1326 value = ATH9K_SIG_FIRSTEP_SETTING_MIN;
1327 if (value > ATH9K_SIG_FIRSTEP_SETTING_MAX)
1328 value = ATH9K_SIG_FIRSTEP_SETTING_MAX;
1329 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1330 AR_PHY_FIND_SIG_FIRSTEP,
1331 value);
1332 /*
1333 * we need to set first step low register too
1334 * make register setting relative to default
1335 * from INI file & cap value
1336 */
1337 value2 = firstep_table[level] -
1338 firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
1339 aniState->iniDef.firstepLow;
1340 if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN)
1341 value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN;
1342 if (value2 > ATH9K_SIG_FIRSTEP_SETTING_MAX)
1343 value2 = ATH9K_SIG_FIRSTEP_SETTING_MAX;
1344
1345 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW,
1346 AR_PHY_FIND_SIG_FIRSTEP_LOW, value2);
1347
1348 if (level != aniState->firstepLevel) {
1349 ath_dbg(common, ANI,
1350 "** ch %d: level %d=>%d[def:%d] firstep[level]=%d ini=%d\n",
1351 chan->channel,
1352 aniState->firstepLevel,
1353 level,
1354 ATH9K_ANI_FIRSTEP_LVL_NEW,
1355 value,
1356 aniState->iniDef.firstep);
1357 ath_dbg(common, ANI,
1358 "** ch %d: level %d=>%d[def:%d] firstep_low[level]=%d ini=%d\n",
1359 chan->channel,
1360 aniState->firstepLevel,
1361 level,
1362 ATH9K_ANI_FIRSTEP_LVL_NEW,
1363 value2,
1364 aniState->iniDef.firstepLow);
1365 if (level > aniState->firstepLevel)
1366 ah->stats.ast_ani_stepup++;
1367 else if (level < aniState->firstepLevel)
1368 ah->stats.ast_ani_stepdown++;
1369 aniState->firstepLevel = level;
1370 }
1371 break;
1372 }
1373 case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
1374 u32 level = param;
1375
1376 if (level >= ARRAY_SIZE(cycpwrThr1_table)) {
1377 ath_dbg(common, ANI,
1378 "ATH9K_ANI_SPUR_IMMUNITY_LEVEL: level out of range (%u > %zu)\n",
1379 level, ARRAY_SIZE(cycpwrThr1_table));
1380 return false;
1381 }
1382 /*
1383 * make register setting relative to default
1384 * from INI file & cap value
1385 */
1386 value = cycpwrThr1_table[level] -
1387 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
1388 aniState->iniDef.cycpwrThr1;
1389 if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
1390 value = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
1391 if (value > ATH9K_SIG_SPUR_IMM_SETTING_MAX)
1392 value = ATH9K_SIG_SPUR_IMM_SETTING_MAX;
1393 REG_RMW_FIELD(ah, AR_PHY_TIMING5,
1394 AR_PHY_TIMING5_CYCPWR_THR1,
1395 value);
1396
1397 /*
1398 * set AR_PHY_EXT_CCA for extension channel
1399 * make register setting relative to default
1400 * from INI file & cap value
1401 */
1402 value2 = cycpwrThr1_table[level] -
1403 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
1404 aniState->iniDef.cycpwrThr1Ext;
1405 if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
1406 value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
1407 if (value2 > ATH9K_SIG_SPUR_IMM_SETTING_MAX)
1408 value2 = ATH9K_SIG_SPUR_IMM_SETTING_MAX;
1409 REG_RMW_FIELD(ah, AR_PHY_EXT_CCA,
1410 AR_PHY_EXT_TIMING5_CYCPWR_THR1, value2);
1411
1412 if (level != aniState->spurImmunityLevel) {
1413 ath_dbg(common, ANI,
1414 "** ch %d: level %d=>%d[def:%d] cycpwrThr1[level]=%d ini=%d\n",
1415 chan->channel,
1416 aniState->spurImmunityLevel,
1417 level,
1418 ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
1419 value,
1420 aniState->iniDef.cycpwrThr1);
1421 ath_dbg(common, ANI,
1422 "** ch %d: level %d=>%d[def:%d] cycpwrThr1Ext[level]=%d ini=%d\n",
1423 chan->channel,
1424 aniState->spurImmunityLevel,
1425 level,
1426 ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
1427 value2,
1428 aniState->iniDef.cycpwrThr1Ext);
1429 if (level > aniState->spurImmunityLevel)
1430 ah->stats.ast_ani_spurup++;
1431 else if (level < aniState->spurImmunityLevel)
1432 ah->stats.ast_ani_spurdown++;
1433 aniState->spurImmunityLevel = level;
1434 }
1435 break;
1436 }
1437 case ATH9K_ANI_MRC_CCK:
1438 /*
1439 * You should not see this as AR5008, AR9001, AR9002
1440 * does not have hardware support for MRC CCK.
1441 */
1442 WARN_ON(1);
1443 break;
1444 case ATH9K_ANI_PRESENT:
1445 break;
1446 default:
1447 ath_dbg(common, ANI, "invalid cmd %u\n", cmd);
1448 return false;
1449 }
1450
1451 ath_dbg(common, ANI,
1452 "ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n",
1453 aniState->spurImmunityLevel,
1454 !aniState->ofdmWeakSigDetectOff ? "on" : "off",
1455 aniState->firstepLevel,
1456 !aniState->mrcCCKOff ? "on" : "off",
1457 aniState->listenTime,
1458 aniState->ofdmPhyErrCount,
1459 aniState->cckPhyErrCount);
1460 return true;
1461 }
1462
1463 static void ar5008_hw_do_getnf(struct ath_hw *ah,
1464 int16_t nfarray[NUM_NF_READINGS])
1465 {
1466 int16_t nf;
1467
1468 nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
1469 nfarray[0] = sign_extend32(nf, 8);
1470
1471 nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR);
1472 nfarray[1] = sign_extend32(nf, 8);
1473
1474 nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
1475 nfarray[2] = sign_extend32(nf, 8);
1476
1477 if (!IS_CHAN_HT40(ah->curchan))
1478 return;
1479
1480 nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
1481 nfarray[3] = sign_extend32(nf, 8);
1482
1483 nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR);
1484 nfarray[4] = sign_extend32(nf, 8);
1485
1486 nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR);
1487 nfarray[5] = sign_extend32(nf, 8);
1488 }
1489
1490 /*
1491 * Initialize the ANI register values with default (ini) values.
1492 * This routine is called during a (full) hardware reset after
1493 * all the registers are initialised from the INI.
1494 */
1495 static void ar5008_hw_ani_cache_ini_regs(struct ath_hw *ah)
1496 {
1497 struct ath_common *common = ath9k_hw_common(ah);
1498 struct ath9k_channel *chan = ah->curchan;
1499 struct ar5416AniState *aniState = &chan->ani;
1500 struct ath9k_ani_default *iniDef;
1501 u32 val;
1502
1503 iniDef = &aniState->iniDef;
1504
1505 ath_dbg(common, ANI, "ver %d.%d opmode %u chan %d Mhz/0x%x\n",
1506 ah->hw_version.macVersion,
1507 ah->hw_version.macRev,
1508 ah->opmode,
1509 chan->channel,
1510 chan->channelFlags);
1511
1512 val = REG_READ(ah, AR_PHY_SFCORR);
1513 iniDef->m1Thresh = MS(val, AR_PHY_SFCORR_M1_THRESH);
1514 iniDef->m2Thresh = MS(val, AR_PHY_SFCORR_M2_THRESH);
1515 iniDef->m2CountThr = MS(val, AR_PHY_SFCORR_M2COUNT_THR);
1516
1517 val = REG_READ(ah, AR_PHY_SFCORR_LOW);
1518 iniDef->m1ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M1_THRESH_LOW);
1519 iniDef->m2ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M2_THRESH_LOW);
1520 iniDef->m2CountThrLow = MS(val, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW);
1521
1522 val = REG_READ(ah, AR_PHY_SFCORR_EXT);
1523 iniDef->m1ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH);
1524 iniDef->m2ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH);
1525 iniDef->m1ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH_LOW);
1526 iniDef->m2ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH_LOW);
1527 iniDef->firstep = REG_READ_FIELD(ah,
1528 AR_PHY_FIND_SIG,
1529 AR_PHY_FIND_SIG_FIRSTEP);
1530 iniDef->firstepLow = REG_READ_FIELD(ah,
1531 AR_PHY_FIND_SIG_LOW,
1532 AR_PHY_FIND_SIG_FIRSTEP_LOW);
1533 iniDef->cycpwrThr1 = REG_READ_FIELD(ah,
1534 AR_PHY_TIMING5,
1535 AR_PHY_TIMING5_CYCPWR_THR1);
1536 iniDef->cycpwrThr1Ext = REG_READ_FIELD(ah,
1537 AR_PHY_EXT_CCA,
1538 AR_PHY_EXT_TIMING5_CYCPWR_THR1);
1539
1540 /* these levels just got reset to defaults by the INI */
1541 aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
1542 aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
1543 aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG;
1544 aniState->mrcCCKOff = true; /* not available on pre AR9003 */
1545 }
1546
1547 static void ar5008_hw_set_nf_limits(struct ath_hw *ah)
1548 {
1549 ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
1550 ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
1551 ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
1552 ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
1553 ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
1554 ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
1555 }
1556
1557 static void ar5008_hw_set_radar_params(struct ath_hw *ah,
1558 struct ath_hw_radar_conf *conf)
1559 {
1560 u32 radar_0 = 0, radar_1 = 0;
1561
1562 if (!conf) {
1563 REG_CLR_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_ENA);
1564 return;
1565 }
1566
1567 radar_0 |= AR_PHY_RADAR_0_ENA | AR_PHY_RADAR_0_FFT_ENA;
1568 radar_0 |= SM(conf->fir_power, AR_PHY_RADAR_0_FIRPWR);
1569 radar_0 |= SM(conf->radar_rssi, AR_PHY_RADAR_0_RRSSI);
1570 radar_0 |= SM(conf->pulse_height, AR_PHY_RADAR_0_HEIGHT);
1571 radar_0 |= SM(conf->pulse_rssi, AR_PHY_RADAR_0_PRSSI);
1572 radar_0 |= SM(conf->pulse_inband, AR_PHY_RADAR_0_INBAND);
1573
1574 radar_1 |= AR_PHY_RADAR_1_MAX_RRSSI;
1575 radar_1 |= AR_PHY_RADAR_1_BLOCK_CHECK;
1576 radar_1 |= SM(conf->pulse_maxlen, AR_PHY_RADAR_1_MAXLEN);
1577 radar_1 |= SM(conf->pulse_inband_step, AR_PHY_RADAR_1_RELSTEP_THRESH);
1578 radar_1 |= SM(conf->radar_inband, AR_PHY_RADAR_1_RELPWR_THRESH);
1579
1580 REG_WRITE(ah, AR_PHY_RADAR_0, radar_0);
1581 REG_WRITE(ah, AR_PHY_RADAR_1, radar_1);
1582 if (conf->ext_channel)
1583 REG_SET_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA);
1584 else
1585 REG_CLR_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA);
1586 }
1587
1588 static void ar5008_hw_set_radar_conf(struct ath_hw *ah)
1589 {
1590 struct ath_hw_radar_conf *conf = &ah->radar_conf;
1591
1592 conf->fir_power = -33;
1593 conf->radar_rssi = 20;
1594 conf->pulse_height = 10;
1595 conf->pulse_rssi = 24;
1596 conf->pulse_inband = 15;
1597 conf->pulse_maxlen = 255;
1598 conf->pulse_inband_step = 12;
1599 conf->radar_inband = 8;
1600 }
1601
1602 void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
1603 {
1604 struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
1605 static const u32 ar5416_cca_regs[6] = {
1606 AR_PHY_CCA,
1607 AR_PHY_CH1_CCA,
1608 AR_PHY_CH2_CCA,
1609 AR_PHY_EXT_CCA,
1610 AR_PHY_CH1_EXT_CCA,
1611 AR_PHY_CH2_EXT_CCA
1612 };
1613
1614 priv_ops->rf_set_freq = ar5008_hw_set_channel;
1615 priv_ops->spur_mitigate_freq = ar5008_hw_spur_mitigate;
1616
1617 priv_ops->rf_alloc_ext_banks = ar5008_hw_rf_alloc_ext_banks;
1618 priv_ops->rf_free_ext_banks = ar5008_hw_rf_free_ext_banks;
1619 priv_ops->set_rf_regs = ar5008_hw_set_rf_regs;
1620 priv_ops->set_channel_regs = ar5008_hw_set_channel_regs;
1621 priv_ops->init_bb = ar5008_hw_init_bb;
1622 priv_ops->process_ini = ar5008_hw_process_ini;
1623 priv_ops->set_rfmode = ar5008_hw_set_rfmode;
1624 priv_ops->mark_phy_inactive = ar5008_hw_mark_phy_inactive;
1625 priv_ops->set_delta_slope = ar5008_hw_set_delta_slope;
1626 priv_ops->rfbus_req = ar5008_hw_rfbus_req;
1627 priv_ops->rfbus_done = ar5008_hw_rfbus_done;
1628 priv_ops->restore_chainmask = ar5008_restore_chainmask;
1629 priv_ops->do_getnf = ar5008_hw_do_getnf;
1630 priv_ops->set_radar_params = ar5008_hw_set_radar_params;
1631
1632 if (modparam_force_new_ani) {
1633 priv_ops->ani_control = ar5008_hw_ani_control_new;
1634 priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs;
1635 } else
1636 priv_ops->ani_control = ar5008_hw_ani_control_old;
1637
1638 if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
1639 priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
1640 else
1641 priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;
1642
1643 ar5008_hw_set_nf_limits(ah);
1644 ar5008_hw_set_radar_conf(ah);
1645 memcpy(ah->nf_regs, ar5416_cca_regs, sizeof(ah->nf_regs));
1646 }
Linux kernel - Deliverables
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