1 /*
2 * Copyright (c) 2008-2010 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 /**
48 * ar5008_hw_phy_modify_rx_buffer() - perform analog swizzling of parameters
49 * @rfbuf:
50 * @reg32:
51 * @numBits:
52 * @firstBit:
53 * @column:
54 *
55 * Performs analog "swizzling" of parameters into their location.
56 * Used on external AR2133/AR5133 radios.
57 */
ar5008_hw_phy_modify_rx_buffer(u32 * rfBuf,u32 reg32,u32 numBits,u32 firstBit,u32 column)58 static void ar5008_hw_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
59 u32 numBits, u32 firstBit,
60 u32 column)
61 {
62 u32 tmp32, mask, arrayEntry, lastBit;
63 int32_t bitPosition, bitsLeft;
64
65 tmp32 = ath9k_hw_reverse_bits(reg32, numBits);
66 arrayEntry = (firstBit - 1) / 8;
67 bitPosition = (firstBit - 1) % 8;
68 bitsLeft = numBits;
69 while (bitsLeft > 0) {
70 lastBit = (bitPosition + bitsLeft > 8) ?
71 8 : bitPosition + bitsLeft;
72 mask = (((1 << lastBit) - 1) ^ ((1 << bitPosition) - 1)) <<
73 (column * 8);
74 rfBuf[arrayEntry] &= ~mask;
75 rfBuf[arrayEntry] |= ((tmp32 << bitPosition) <<
76 (column * 8)) & mask;
77 bitsLeft -= 8 - bitPosition;
78 tmp32 = tmp32 >> (8 - bitPosition);
79 bitPosition = 0;
80 arrayEntry++;
81 }
82 }
83
84 /*
85 * Fix on 2.4 GHz band for orientation sensitivity issue by increasing
86 * rf_pwd_icsyndiv.
87 *
88 * Theoretical Rules:
89 * if 2 GHz band
90 * if forceBiasAuto
91 * if synth_freq < 2412
92 * bias = 0
93 * else if 2412 <= synth_freq <= 2422
94 * bias = 1
95 * else // synth_freq > 2422
96 * bias = 2
97 * else if forceBias > 0
98 * bias = forceBias & 7
99 * else
100 * no change, use value from ini file
101 * else
102 * no change, invalid band
103 *
104 * 1st Mod:
105 * 2422 also uses value of 2
106 * <approved>
107 *
108 * 2nd Mod:
109 * Less than 2412 uses value of 0, 2412 and above uses value of 2
110 */
ar5008_hw_force_bias(struct ath_hw * ah,u16 synth_freq)111 static void ar5008_hw_force_bias(struct ath_hw *ah, u16 synth_freq)
112 {
113 struct ath_common *common = ath9k_hw_common(ah);
114 u32 tmp_reg;
115 int reg_writes = 0;
116 u32 new_bias = 0;
117
118 if (!AR_SREV_5416(ah) || synth_freq >= 3000)
119 return;
120
121 BUG_ON(AR_SREV_9280_20_OR_LATER(ah));
122
123 if (synth_freq < 2412)
124 new_bias = 0;
125 else if (synth_freq < 2422)
126 new_bias = 1;
127 else
128 new_bias = 2;
129
130 /* pre-reverse this field */
131 tmp_reg = ath9k_hw_reverse_bits(new_bias, 3);
132
133 ath_dbg(common, ATH_DBG_CONFIG, "Force rf_pwd_icsyndiv to %1d on %4d\n",
134 new_bias, synth_freq);
135
136 /* swizzle rf_pwd_icsyndiv */
137 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data, tmp_reg, 3, 181, 3);
138
139 /* write Bank 6 with new params */
140 REG_WRITE_RF_ARRAY(&ah->iniBank6, ah->analogBank6Data, reg_writes);
141 }
142
143 /**
144 * ar5008_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
145 * @ah: atheros hardware structure
146 * @chan:
147 *
148 * For the external AR2133/AR5133 radios, takes the MHz channel value and set
149 * the channel value. Assumes writes enabled to analog bus and bank6 register
150 * cache in ah->analogBank6Data.
151 */
ar5008_hw_set_channel(struct ath_hw * ah,struct ath9k_channel * chan)152 static int ar5008_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
153 {
154 struct ath_common *common = ath9k_hw_common(ah);
155 u32 channelSel = 0;
156 u32 bModeSynth = 0;
157 u32 aModeRefSel = 0;
158 u32 reg32 = 0;
159 u16 freq;
160 struct chan_centers centers;
161
162 ath9k_hw_get_channel_centers(ah, chan, ¢ers);
163 freq = centers.synth_center;
164
165 if (freq < 4800) {
166 u32 txctl;
167
168 if (((freq - 2192) % 5) == 0) {
169 channelSel = ((freq - 672) * 2 - 3040) / 10;
170 bModeSynth = 0;
171 } else if (((freq - 2224) % 5) == 0) {
172 channelSel = ((freq - 704) * 2 - 3040) / 10;
173 bModeSynth = 1;
174 } else {
175 ath_err(common, "Invalid channel %u MHz\n", freq);
176 return -EINVAL;
177 }
178
179 channelSel = (channelSel << 2) & 0xff;
180 channelSel = ath9k_hw_reverse_bits(channelSel, 8);
181
182 txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
183 if (freq == 2484) {
184
185 REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
186 txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
187 } else {
188 REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
189 txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN);
190 }
191
192 } else if ((freq % 20) == 0 && freq >= 5120) {
193 channelSel =
194 ath9k_hw_reverse_bits(((freq - 4800) / 20 << 2), 8);
195 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
196 } else if ((freq % 10) == 0) {
197 channelSel =
198 ath9k_hw_reverse_bits(((freq - 4800) / 10 << 1), 8);
199 if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
200 aModeRefSel = ath9k_hw_reverse_bits(2, 2);
201 else
202 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
203 } else if ((freq % 5) == 0) {
204 channelSel = ath9k_hw_reverse_bits((freq - 4800) / 5, 8);
205 aModeRefSel = ath9k_hw_reverse_bits(1, 2);
206 } else {
207 ath_err(common, "Invalid channel %u MHz\n", freq);
208 return -EINVAL;
209 }
210
211 ar5008_hw_force_bias(ah, freq);
212
213 reg32 =
214 (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
215 (1 << 5) | 0x1;
216
217 REG_WRITE(ah, AR_PHY(0x37), reg32);
218
219 ah->curchan = chan;
220 ah->curchan_rad_index = -1;
221
222 return 0;
223 }
224
225 /**
226 * ar5008_hw_spur_mitigate - convert baseband spur frequency for external radios
227 * @ah: atheros hardware structure
228 * @chan:
229 *
230 * For non single-chip solutions. Converts to baseband spur frequency given the
231 * input channel frequency and compute register settings below.
232 */
ar5008_hw_spur_mitigate(struct ath_hw * ah,struct ath9k_channel * chan)233 static void ar5008_hw_spur_mitigate(struct ath_hw *ah,
234 struct ath9k_channel *chan)
235 {
236 int bb_spur = AR_NO_SPUR;
237 int bin, cur_bin;
238 int spur_freq_sd;
239 int spur_delta_phase;
240 int denominator;
241 int upper, lower, cur_vit_mask;
242 int tmp, new;
243 int i;
244 static int pilot_mask_reg[4] = {
245 AR_PHY_TIMING7, AR_PHY_TIMING8,
246 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
247 };
248 static int chan_mask_reg[4] = {
249 AR_PHY_TIMING9, AR_PHY_TIMING10,
250 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
251 };
252 static int inc[4] = { 0, 100, 0, 0 };
253
254 int8_t mask_m[123];
255 int8_t mask_p[123];
256 int8_t mask_amt;
257 int tmp_mask;
258 int cur_bb_spur;
259 bool is2GHz = IS_CHAN_2GHZ(chan);
260
261 memset(&mask_m, 0, sizeof(int8_t) * 123);
262 memset(&mask_p, 0, sizeof(int8_t) * 123);
263
264 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
265 cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
266 if (AR_NO_SPUR == cur_bb_spur)
267 break;
268 cur_bb_spur = cur_bb_spur - (chan->channel * 10);
269 if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
270 bb_spur = cur_bb_spur;
271 break;
272 }
273 }
274
275 if (AR_NO_SPUR == bb_spur)
276 return;
277
278 bin = bb_spur * 32;
279
280 tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
281 new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
282 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
283 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
284 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
285
286 REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
287
288 new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
289 AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
290 AR_PHY_SPUR_REG_MASK_RATE_SELECT |
291 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
292 SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
293 REG_WRITE(ah, AR_PHY_SPUR_REG, new);
294
295 spur_delta_phase = ((bb_spur * 524288) / 100) &
296 AR_PHY_TIMING11_SPUR_DELTA_PHASE;
297
298 denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
299 spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
300
301 new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
302 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
303 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
304 REG_WRITE(ah, AR_PHY_TIMING11, new);
305
306 cur_bin = -6000;
307 upper = bin + 100;
308 lower = bin - 100;
309
310 for (i = 0; i < 4; i++) {
311 int pilot_mask = 0;
312 int chan_mask = 0;
313 int bp = 0;
314 for (bp = 0; bp < 30; bp++) {
315 if ((cur_bin > lower) && (cur_bin < upper)) {
316 pilot_mask = pilot_mask | 0x1 << bp;
317 chan_mask = chan_mask | 0x1 << bp;
318 }
319 cur_bin += 100;
320 }
321 cur_bin += inc[i];
322 REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
323 REG_WRITE(ah, chan_mask_reg[i], chan_mask);
324 }
325
326 cur_vit_mask = 6100;
327 upper = bin + 120;
328 lower = bin - 120;
329
330 for (i = 0; i < 123; i++) {
331 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
332
333 /* workaround for gcc bug #37014 */
334 volatile int tmp_v = abs(cur_vit_mask - bin);
335
336 if (tmp_v < 75)
337 mask_amt = 1;
338 else
339 mask_amt = 0;
340 if (cur_vit_mask < 0)
341 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
342 else
343 mask_p[cur_vit_mask / 100] = mask_amt;
344 }
345 cur_vit_mask -= 100;
346 }
347
348 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
349 | (mask_m[48] << 26) | (mask_m[49] << 24)
350 | (mask_m[50] << 22) | (mask_m[51] << 20)
351 | (mask_m[52] << 18) | (mask_m[53] << 16)
352 | (mask_m[54] << 14) | (mask_m[55] << 12)
353 | (mask_m[56] << 10) | (mask_m[57] << 8)
354 | (mask_m[58] << 6) | (mask_m[59] << 4)
355 | (mask_m[60] << 2) | (mask_m[61] << 0);
356 REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
357 REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
358
359 tmp_mask = (mask_m[31] << 28)
360 | (mask_m[32] << 26) | (mask_m[33] << 24)
361 | (mask_m[34] << 22) | (mask_m[35] << 20)
362 | (mask_m[36] << 18) | (mask_m[37] << 16)
363 | (mask_m[48] << 14) | (mask_m[39] << 12)
364 | (mask_m[40] << 10) | (mask_m[41] << 8)
365 | (mask_m[42] << 6) | (mask_m[43] << 4)
366 | (mask_m[44] << 2) | (mask_m[45] << 0);
367 REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
368 REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
369
370 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
371 | (mask_m[18] << 26) | (mask_m[18] << 24)
372 | (mask_m[20] << 22) | (mask_m[20] << 20)
373 | (mask_m[22] << 18) | (mask_m[22] << 16)
374 | (mask_m[24] << 14) | (mask_m[24] << 12)
375 | (mask_m[25] << 10) | (mask_m[26] << 8)
376 | (mask_m[27] << 6) | (mask_m[28] << 4)
377 | (mask_m[29] << 2) | (mask_m[30] << 0);
378 REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
379 REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
380
381 tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
382 | (mask_m[2] << 26) | (mask_m[3] << 24)
383 | (mask_m[4] << 22) | (mask_m[5] << 20)
384 | (mask_m[6] << 18) | (mask_m[7] << 16)
385 | (mask_m[8] << 14) | (mask_m[9] << 12)
386 | (mask_m[10] << 10) | (mask_m[11] << 8)
387 | (mask_m[12] << 6) | (mask_m[13] << 4)
388 | (mask_m[14] << 2) | (mask_m[15] << 0);
389 REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
390 REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
391
392 tmp_mask = (mask_p[15] << 28)
393 | (mask_p[14] << 26) | (mask_p[13] << 24)
394 | (mask_p[12] << 22) | (mask_p[11] << 20)
395 | (mask_p[10] << 18) | (mask_p[9] << 16)
396 | (mask_p[8] << 14) | (mask_p[7] << 12)
397 | (mask_p[6] << 10) | (mask_p[5] << 8)
398 | (mask_p[4] << 6) | (mask_p[3] << 4)
399 | (mask_p[2] << 2) | (mask_p[1] << 0);
400 REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
401 REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
402
403 tmp_mask = (mask_p[30] << 28)
404 | (mask_p[29] << 26) | (mask_p[28] << 24)
405 | (mask_p[27] << 22) | (mask_p[26] << 20)
406 | (mask_p[25] << 18) | (mask_p[24] << 16)
407 | (mask_p[23] << 14) | (mask_p[22] << 12)
408 | (mask_p[21] << 10) | (mask_p[20] << 8)
409 | (mask_p[19] << 6) | (mask_p[18] << 4)
410 | (mask_p[17] << 2) | (mask_p[16] << 0);
411 REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
412 REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
413
414 tmp_mask = (mask_p[45] << 28)
415 | (mask_p[44] << 26) | (mask_p[43] << 24)
416 | (mask_p[42] << 22) | (mask_p[41] << 20)
417 | (mask_p[40] << 18) | (mask_p[39] << 16)
418 | (mask_p[38] << 14) | (mask_p[37] << 12)
419 | (mask_p[36] << 10) | (mask_p[35] << 8)
420 | (mask_p[34] << 6) | (mask_p[33] << 4)
421 | (mask_p[32] << 2) | (mask_p[31] << 0);
422 REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
423 REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
424
425 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
426 | (mask_p[59] << 26) | (mask_p[58] << 24)
427 | (mask_p[57] << 22) | (mask_p[56] << 20)
428 | (mask_p[55] << 18) | (mask_p[54] << 16)
429 | (mask_p[53] << 14) | (mask_p[52] << 12)
430 | (mask_p[51] << 10) | (mask_p[50] << 8)
431 | (mask_p[49] << 6) | (mask_p[48] << 4)
432 | (mask_p[47] << 2) | (mask_p[46] << 0);
433 REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
434 REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
435 }
436
437 /**
438 * ar5008_hw_rf_alloc_ext_banks - allocates banks for external radio programming
439 * @ah: atheros hardware structure
440 *
441 * Only required for older devices with external AR2133/AR5133 radios.
442 */
ar5008_hw_rf_alloc_ext_banks(struct ath_hw * ah)443 static int ar5008_hw_rf_alloc_ext_banks(struct ath_hw *ah)
444 {
445 #define ATH_ALLOC_BANK(bank, size) do { \
446 bank = kzalloc((sizeof(u32) * size), GFP_KERNEL); \
447 if (!bank) { \
448 ath_err(common, "Cannot allocate RF banks\n"); \
449 return -ENOMEM; \
450 } \
451 } while (0);
452
453 struct ath_common *common = ath9k_hw_common(ah);
454
455 BUG_ON(AR_SREV_9280_20_OR_LATER(ah));
456
457 ATH_ALLOC_BANK(ah->analogBank0Data, ah->iniBank0.ia_rows);
458 ATH_ALLOC_BANK(ah->analogBank1Data, ah->iniBank1.ia_rows);
459 ATH_ALLOC_BANK(ah->analogBank2Data, ah->iniBank2.ia_rows);
460 ATH_ALLOC_BANK(ah->analogBank3Data, ah->iniBank3.ia_rows);
461 ATH_ALLOC_BANK(ah->analogBank6Data, ah->iniBank6.ia_rows);
462 ATH_ALLOC_BANK(ah->analogBank6TPCData, ah->iniBank6TPC.ia_rows);
463 ATH_ALLOC_BANK(ah->analogBank7Data, ah->iniBank7.ia_rows);
464 ATH_ALLOC_BANK(ah->addac5416_21,
465 ah->iniAddac.ia_rows * ah->iniAddac.ia_columns);
466 ATH_ALLOC_BANK(ah->bank6Temp, ah->iniBank6.ia_rows);
467
468 return 0;
469 #undef ATH_ALLOC_BANK
470 }
471
472
473 /**
474 * ar5008_hw_rf_free_ext_banks - Free memory for analog bank scratch buffers
475 * @ah: atheros hardware struture
476 * For the external AR2133/AR5133 radios banks.
477 */
ar5008_hw_rf_free_ext_banks(struct ath_hw * ah)478 static void ar5008_hw_rf_free_ext_banks(struct ath_hw *ah)
479 {
480 #define ATH_FREE_BANK(bank) do { \
481 kfree(bank); \
482 bank = NULL; \
483 } while (0);
484
485 BUG_ON(AR_SREV_9280_20_OR_LATER(ah));
486
487 ATH_FREE_BANK(ah->analogBank0Data);
488 ATH_FREE_BANK(ah->analogBank1Data);
489 ATH_FREE_BANK(ah->analogBank2Data);
490 ATH_FREE_BANK(ah->analogBank3Data);
491 ATH_FREE_BANK(ah->analogBank6Data);
492 ATH_FREE_BANK(ah->analogBank6TPCData);
493 ATH_FREE_BANK(ah->analogBank7Data);
494 ATH_FREE_BANK(ah->addac5416_21);
495 ATH_FREE_BANK(ah->bank6Temp);
496
497 #undef ATH_FREE_BANK
498 }
499
500 /* *
501 * ar5008_hw_set_rf_regs - programs rf registers based on EEPROM
502 * @ah: atheros hardware structure
503 * @chan:
504 * @modesIndex:
505 *
506 * Used for the external AR2133/AR5133 radios.
507 *
508 * Reads the EEPROM header info from the device structure and programs
509 * all rf registers. This routine requires access to the analog
510 * rf device. This is not required for single-chip devices.
511 */
ar5008_hw_set_rf_regs(struct ath_hw * ah,struct ath9k_channel * chan,u16 modesIndex)512 static bool ar5008_hw_set_rf_regs(struct ath_hw *ah,
513 struct ath9k_channel *chan,
514 u16 modesIndex)
515 {
516 u32 eepMinorRev;
517 u32 ob5GHz = 0, db5GHz = 0;
518 u32 ob2GHz = 0, db2GHz = 0;
519 int regWrites = 0;
520
521 /*
522 * Software does not need to program bank data
523 * for single chip devices, that is AR9280 or anything
524 * after that.
525 */
526 if (AR_SREV_9280_20_OR_LATER(ah))
527 return true;
528
529 /* Setup rf parameters */
530 eepMinorRev = ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV);
531
532 /* Setup Bank 0 Write */
533 RF_BANK_SETUP(ah->analogBank0Data, &ah->iniBank0, 1);
534
535 /* Setup Bank 1 Write */
536 RF_BANK_SETUP(ah->analogBank1Data, &ah->iniBank1, 1);
537
538 /* Setup Bank 2 Write */
539 RF_BANK_SETUP(ah->analogBank2Data, &ah->iniBank2, 1);
540
541 /* Setup Bank 6 Write */
542 RF_BANK_SETUP(ah->analogBank3Data, &ah->iniBank3,
543 modesIndex);
544 {
545 int i;
546 for (i = 0; i < ah->iniBank6TPC.ia_rows; i++) {
547 ah->analogBank6Data[i] =
548 INI_RA(&ah->iniBank6TPC, i, modesIndex);
549 }
550 }
551
552 /* Only the 5 or 2 GHz OB/DB need to be set for a mode */
553 if (eepMinorRev >= 2) {
554 if (IS_CHAN_2GHZ(chan)) {
555 ob2GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_2);
556 db2GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_2);
557 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
558 ob2GHz, 3, 197, 0);
559 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
560 db2GHz, 3, 194, 0);
561 } else {
562 ob5GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_5);
563 db5GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_5);
564 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
565 ob5GHz, 3, 203, 0);
566 ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
567 db5GHz, 3, 200, 0);
568 }
569 }
570
571 /* Setup Bank 7 Setup */
572 RF_BANK_SETUP(ah->analogBank7Data, &ah->iniBank7, 1);
573
574 /* Write Analog registers */
575 REG_WRITE_RF_ARRAY(&ah->iniBank0, ah->analogBank0Data,
576 regWrites);
577 REG_WRITE_RF_ARRAY(&ah->iniBank1, ah->analogBank1Data,
578 regWrites);
579 REG_WRITE_RF_ARRAY(&ah->iniBank2, ah->analogBank2Data,
580 regWrites);
581 REG_WRITE_RF_ARRAY(&ah->iniBank3, ah->analogBank3Data,
582 regWrites);
583 REG_WRITE_RF_ARRAY(&ah->iniBank6TPC, ah->analogBank6Data,
584 regWrites);
585 REG_WRITE_RF_ARRAY(&ah->iniBank7, ah->analogBank7Data,
586 regWrites);
587
588 return true;
589 }
590
ar5008_hw_init_bb(struct ath_hw * ah,struct ath9k_channel * chan)591 static void ar5008_hw_init_bb(struct ath_hw *ah,
592 struct ath9k_channel *chan)
593 {
594 u32 synthDelay;
595
596 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
597 if (IS_CHAN_B(chan))
598 synthDelay = (4 * synthDelay) / 22;
599 else
600 synthDelay /= 10;
601
602 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
603
604 udelay(synthDelay + BASE_ACTIVATE_DELAY);
605 }
606
ar5008_hw_init_chain_masks(struct ath_hw * ah)607 static void ar5008_hw_init_chain_masks(struct ath_hw *ah)
608 {
609 int rx_chainmask, tx_chainmask;
610
611 rx_chainmask = ah->rxchainmask;
612 tx_chainmask = ah->txchainmask;
613
614
615 switch (rx_chainmask) {
616 case 0x5:
617 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
618 AR_PHY_SWAP_ALT_CHAIN);
619 case 0x3:
620 if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
621 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
622 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
623 break;
624 }
625 case 0x1:
626 case 0x2:
627 case 0x7:
628 ENABLE_REGWRITE_BUFFER(ah);
629 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
630 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
631 break;
632 default:
633 ENABLE_REGWRITE_BUFFER(ah);
634 break;
635 }
636
637 REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask);
638
639 REGWRITE_BUFFER_FLUSH(ah);
640
641 if (tx_chainmask == 0x5) {
642 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
643 AR_PHY_SWAP_ALT_CHAIN);
644 }
645 if (AR_SREV_9100(ah))
646 REG_WRITE(ah, AR_PHY_ANALOG_SWAP,
647 REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001);
648 }
649
ar5008_hw_override_ini(struct ath_hw * ah,struct ath9k_channel * chan)650 static void ar5008_hw_override_ini(struct ath_hw *ah,
651 struct ath9k_channel *chan)
652 {
653 u32 val;
654
655 /*
656 * Set the RX_ABORT and RX_DIS and clear if off only after
657 * RXE is set for MAC. This prevents frames with corrupted
658 * descriptor status.
659 */
660 REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
661
662 if (AR_SREV_9280_20_OR_LATER(ah)) {
663 val = REG_READ(ah, AR_PCU_MISC_MODE2);
664
665 if (!AR_SREV_9271(ah))
666 val &= ~AR_PCU_MISC_MODE2_HWWAR1;
667
668 if (AR_SREV_9287_11_OR_LATER(ah))
669 val = val & (~AR_PCU_MISC_MODE2_HWWAR2);
670
671 REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
672 }
673
674 if (!AR_SREV_5416_20_OR_LATER(ah) ||
675 AR_SREV_9280_20_OR_LATER(ah))
676 return;
677 /*
678 * Disable BB clock gating
679 * Necessary to avoid issues on AR5416 2.0
680 */
681 REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
682
683 /*
684 * Disable RIFS search on some chips to avoid baseband
685 * hang issues.
686 */
687 if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) {
688 val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS);
689 val &= ~AR_PHY_RIFS_INIT_DELAY;
690 REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val);
691 }
692 }
693
ar5008_hw_set_channel_regs(struct ath_hw * ah,struct ath9k_channel * chan)694 static void ar5008_hw_set_channel_regs(struct ath_hw *ah,
695 struct ath9k_channel *chan)
696 {
697 u32 phymode;
698 u32 enableDacFifo = 0;
699
700 if (AR_SREV_9285_12_OR_LATER(ah))
701 enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) &
702 AR_PHY_FC_ENABLE_DAC_FIFO);
703
704 phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
705 | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo;
706
707 if (IS_CHAN_HT40(chan)) {
708 phymode |= AR_PHY_FC_DYN2040_EN;
709
710 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
711 (chan->chanmode == CHANNEL_G_HT40PLUS))
712 phymode |= AR_PHY_FC_DYN2040_PRI_CH;
713
714 }
715 REG_WRITE(ah, AR_PHY_TURBO, phymode);
716
717 ath9k_hw_set11nmac2040(ah);
718
719 ENABLE_REGWRITE_BUFFER(ah);
720
721 REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
722 REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
723
724 REGWRITE_BUFFER_FLUSH(ah);
725 }
726
727
ar5008_hw_process_ini(struct ath_hw * ah,struct ath9k_channel * chan)728 static int ar5008_hw_process_ini(struct ath_hw *ah,
729 struct ath9k_channel *chan)
730 {
731 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
732 int i, regWrites = 0;
733 struct ieee80211_channel *channel = chan->chan;
734 u32 modesIndex, freqIndex;
735
736 switch (chan->chanmode) {
737 case CHANNEL_A:
738 case CHANNEL_A_HT20:
739 modesIndex = 1;
740 freqIndex = 1;
741 break;
742 case CHANNEL_A_HT40PLUS:
743 case CHANNEL_A_HT40MINUS:
744 modesIndex = 2;
745 freqIndex = 1;
746 break;
747 case CHANNEL_G:
748 case CHANNEL_G_HT20:
749 case CHANNEL_B:
750 modesIndex = 4;
751 freqIndex = 2;
752 break;
753 case CHANNEL_G_HT40PLUS:
754 case CHANNEL_G_HT40MINUS:
755 modesIndex = 3;
756 freqIndex = 2;
757 break;
758
759 default:
760 return -EINVAL;
761 }
762
763 /*
764 * Set correct baseband to analog shift setting to
765 * access analog chips.
766 */
767 REG_WRITE(ah, AR_PHY(0), 0x00000007);
768
769 /* Write ADDAC shifts */
770 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
771 ah->eep_ops->set_addac(ah, chan);
772
773 if (AR_SREV_5416_22_OR_LATER(ah)) {
774 REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
775 } else {
776 struct ar5416IniArray temp;
777 u32 addacSize =
778 sizeof(u32) * ah->iniAddac.ia_rows *
779 ah->iniAddac.ia_columns;
780
781 /* For AR5416 2.0/2.1 */
782 memcpy(ah->addac5416_21,
783 ah->iniAddac.ia_array, addacSize);
784
785 /* override CLKDRV value at [row, column] = [31, 1] */
786 (ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0;
787
788 temp.ia_array = ah->addac5416_21;
789 temp.ia_columns = ah->iniAddac.ia_columns;
790 temp.ia_rows = ah->iniAddac.ia_rows;
791 REG_WRITE_ARRAY(&temp, 1, regWrites);
792 }
793
794 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
795
796 ENABLE_REGWRITE_BUFFER(ah);
797
798 for (i = 0; i < ah->iniModes.ia_rows; i++) {
799 u32 reg = INI_RA(&ah->iniModes, i, 0);
800 u32 val = INI_RA(&ah->iniModes, i, modesIndex);
801
802 if (reg == AR_AN_TOP2 && ah->need_an_top2_fixup)
803 val &= ~AR_AN_TOP2_PWDCLKIND;
804
805 REG_WRITE(ah, reg, val);
806
807 if (reg >= 0x7800 && reg < 0x78a0
808 && ah->config.analog_shiftreg) {
809 udelay(100);
810 }
811
812 DO_DELAY(regWrites);
813 }
814
815 REGWRITE_BUFFER_FLUSH(ah);
816
817 if (AR_SREV_9280(ah) || AR_SREV_9287_11_OR_LATER(ah))
818 REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites);
819
820 if (AR_SREV_9280(ah) || AR_SREV_9285_12_OR_LATER(ah) ||
821 AR_SREV_9287_11_OR_LATER(ah))
822 REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
823
824 if (AR_SREV_9271_10(ah))
825 REG_WRITE_ARRAY(&ah->iniModes_9271_1_0_only,
826 modesIndex, regWrites);
827
828 ENABLE_REGWRITE_BUFFER(ah);
829
830 /* Write common array parameters */
831 for (i = 0; i < ah->iniCommon.ia_rows; i++) {
832 u32 reg = INI_RA(&ah->iniCommon, i, 0);
833 u32 val = INI_RA(&ah->iniCommon, i, 1);
834
835 REG_WRITE(ah, reg, val);
836
837 if (reg >= 0x7800 && reg < 0x78a0
838 && ah->config.analog_shiftreg) {
839 udelay(100);
840 }
841
842 DO_DELAY(regWrites);
843 }
844
845 REGWRITE_BUFFER_FLUSH(ah);
846
847 if (AR_SREV_9271(ah)) {
848 if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) == 1)
849 REG_WRITE_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
850 modesIndex, regWrites);
851 else
852 REG_WRITE_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
853 modesIndex, regWrites);
854 }
855
856 REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
857
858 if (IS_CHAN_A_FAST_CLOCK(ah, chan)) {
859 REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex,
860 regWrites);
861 }
862
863 ar5008_hw_override_ini(ah, chan);
864 ar5008_hw_set_channel_regs(ah, chan);
865 ar5008_hw_init_chain_masks(ah);
866 ath9k_olc_init(ah);
867
868 /* Set TX power */
869 ah->eep_ops->set_txpower(ah, chan,
870 ath9k_regd_get_ctl(regulatory, chan),
871 channel->max_antenna_gain * 2,
872 channel->max_power * 2,
873 min((u32) MAX_RATE_POWER,
874 (u32) regulatory->power_limit), false);
875
876 /* Write analog registers */
877 if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
878 ath_err(ath9k_hw_common(ah), "ar5416SetRfRegs failed\n");
879 return -EIO;
880 }
881
882 return 0;
883 }
884
ar5008_hw_set_rfmode(struct ath_hw * ah,struct ath9k_channel * chan)885 static void ar5008_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan)
886 {
887 u32 rfMode = 0;
888
889 if (chan == NULL)
890 return;
891
892 rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
893 ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
894
895 if (!AR_SREV_9280_20_OR_LATER(ah))
896 rfMode |= (IS_CHAN_5GHZ(chan)) ?
897 AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
898
899 if (IS_CHAN_A_FAST_CLOCK(ah, chan))
900 rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
901
902 REG_WRITE(ah, AR_PHY_MODE, rfMode);
903 }
904
ar5008_hw_mark_phy_inactive(struct ath_hw * ah)905 static void ar5008_hw_mark_phy_inactive(struct ath_hw *ah)
906 {
907 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
908 }
909
ar5008_hw_set_delta_slope(struct ath_hw * ah,struct ath9k_channel * chan)910 static void ar5008_hw_set_delta_slope(struct ath_hw *ah,
911 struct ath9k_channel *chan)
912 {
913 u32 coef_scaled, ds_coef_exp, ds_coef_man;
914 u32 clockMhzScaled = 0x64000000;
915 struct chan_centers centers;
916
917 if (IS_CHAN_HALF_RATE(chan))
918 clockMhzScaled = clockMhzScaled >> 1;
919 else if (IS_CHAN_QUARTER_RATE(chan))
920 clockMhzScaled = clockMhzScaled >> 2;
921
922 ath9k_hw_get_channel_centers(ah, chan, ¢ers);
923 coef_scaled = clockMhzScaled / centers.synth_center;
924
925 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
926 &ds_coef_exp);
927
928 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
929 AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
930 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
931 AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
932
933 coef_scaled = (9 * coef_scaled) / 10;
934
935 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
936 &ds_coef_exp);
937
938 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
939 AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
940 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
941 AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
942 }
943
ar5008_hw_rfbus_req(struct ath_hw * ah)944 static bool ar5008_hw_rfbus_req(struct ath_hw *ah)
945 {
946 REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
947 return ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
948 AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT);
949 }
950
ar5008_hw_rfbus_done(struct ath_hw * ah)951 static void ar5008_hw_rfbus_done(struct ath_hw *ah)
952 {
953 u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
954 if (IS_CHAN_B(ah->curchan))
955 synthDelay = (4 * synthDelay) / 22;
956 else
957 synthDelay /= 10;
958
959 udelay(synthDelay + BASE_ACTIVATE_DELAY);
960
961 REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
962 }
963
ar5008_restore_chainmask(struct ath_hw * ah)964 static void ar5008_restore_chainmask(struct ath_hw *ah)
965 {
966 int rx_chainmask = ah->rxchainmask;
967
968 if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
969 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
970 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
971 }
972 }
973
ar5008_set_diversity(struct ath_hw * ah,bool value)974 static void ar5008_set_diversity(struct ath_hw *ah, bool value)
975 {
976 u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
977 if (value)
978 v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
979 else
980 v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
981 REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
982 }
983
ar9100_hw_compute_pll_control(struct ath_hw * ah,struct ath9k_channel * chan)984 static u32 ar9100_hw_compute_pll_control(struct ath_hw *ah,
985 struct ath9k_channel *chan)
986 {
987 if (chan && IS_CHAN_5GHZ(chan))
988 return 0x1450;
989 return 0x1458;
990 }
991
ar9160_hw_compute_pll_control(struct ath_hw * ah,struct ath9k_channel * chan)992 static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah,
993 struct ath9k_channel *chan)
994 {
995 u32 pll;
996
997 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
998
999 if (chan && IS_CHAN_HALF_RATE(chan))
1000 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
1001 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1002 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
1003
1004 if (chan && IS_CHAN_5GHZ(chan))
1005 pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
1006 else
1007 pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
1008
1009 return pll;
1010 }
1011
ar5008_hw_compute_pll_control(struct ath_hw * ah,struct ath9k_channel * chan)1012 static u32 ar5008_hw_compute_pll_control(struct ath_hw *ah,
1013 struct ath9k_channel *chan)
1014 {
1015 u32 pll;
1016
1017 pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
1018
1019 if (chan && IS_CHAN_HALF_RATE(chan))
1020 pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
1021 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1022 pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
1023
1024 if (chan && IS_CHAN_5GHZ(chan))
1025 pll |= SM(0xa, AR_RTC_PLL_DIV);
1026 else
1027 pll |= SM(0xb, AR_RTC_PLL_DIV);
1028
1029 return pll;
1030 }
1031
ar5008_hw_ani_control_old(struct ath_hw * ah,enum ath9k_ani_cmd cmd,int param)1032 static bool ar5008_hw_ani_control_old(struct ath_hw *ah,
1033 enum ath9k_ani_cmd cmd,
1034 int param)
1035 {
1036 struct ar5416AniState *aniState = &ah->curchan->ani;
1037 struct ath_common *common = ath9k_hw_common(ah);
1038
1039 switch (cmd & ah->ani_function) {
1040 case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{
1041 u32 level = param;
1042
1043 if (level >= ARRAY_SIZE(ah->totalSizeDesired)) {
1044 ath_dbg(common, ATH_DBG_ANI,
1045 "level out of range (%u > %zu)\n",
1046 level, ARRAY_SIZE(ah->totalSizeDesired));
1047 return false;
1048 }
1049
1050 REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
1051 AR_PHY_DESIRED_SZ_TOT_DES,
1052 ah->totalSizeDesired[level]);
1053 REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
1054 AR_PHY_AGC_CTL1_COARSE_LOW,
1055 ah->coarse_low[level]);
1056 REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
1057 AR_PHY_AGC_CTL1_COARSE_HIGH,
1058 ah->coarse_high[level]);
1059 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1060 AR_PHY_FIND_SIG_FIRPWR,
1061 ah->firpwr[level]);
1062
1063 if (level > aniState->noiseImmunityLevel)
1064 ah->stats.ast_ani_niup++;
1065 else if (level < aniState->noiseImmunityLevel)
1066 ah->stats.ast_ani_nidown++;
1067 aniState->noiseImmunityLevel = level;
1068 break;
1069 }
1070 case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
1071 static const int m1ThreshLow[] = { 127, 50 };
1072 static const int m2ThreshLow[] = { 127, 40 };
1073 static const int m1Thresh[] = { 127, 0x4d };
1074 static const int m2Thresh[] = { 127, 0x40 };
1075 static const int m2CountThr[] = { 31, 16 };
1076 static const int m2CountThrLow[] = { 63, 48 };
1077 u32 on = param ? 1 : 0;
1078
1079 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1080 AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
1081 m1ThreshLow[on]);
1082 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1083 AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
1084 m2ThreshLow[on]);
1085 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1086 AR_PHY_SFCORR_M1_THRESH,
1087 m1Thresh[on]);
1088 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1089 AR_PHY_SFCORR_M2_THRESH,
1090 m2Thresh[on]);
1091 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1092 AR_PHY_SFCORR_M2COUNT_THR,
1093 m2CountThr[on]);
1094 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1095 AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
1096 m2CountThrLow[on]);
1097
1098 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1099 AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
1100 m1ThreshLow[on]);
1101 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1102 AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
1103 m2ThreshLow[on]);
1104 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1105 AR_PHY_SFCORR_EXT_M1_THRESH,
1106 m1Thresh[on]);
1107 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1108 AR_PHY_SFCORR_EXT_M2_THRESH,
1109 m2Thresh[on]);
1110
1111 if (on)
1112 REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
1113 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1114 else
1115 REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
1116 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1117
1118 if (!on != aniState->ofdmWeakSigDetectOff) {
1119 if (on)
1120 ah->stats.ast_ani_ofdmon++;
1121 else
1122 ah->stats.ast_ani_ofdmoff++;
1123 aniState->ofdmWeakSigDetectOff = !on;
1124 }
1125 break;
1126 }
1127 case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{
1128 static const int weakSigThrCck[] = { 8, 6 };
1129 u32 high = param ? 1 : 0;
1130
1131 REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT,
1132 AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK,
1133 weakSigThrCck[high]);
1134 if (high != aniState->cckWeakSigThreshold) {
1135 if (high)
1136 ah->stats.ast_ani_cckhigh++;
1137 else
1138 ah->stats.ast_ani_ccklow++;
1139 aniState->cckWeakSigThreshold = high;
1140 }
1141 break;
1142 }
1143 case ATH9K_ANI_FIRSTEP_LEVEL:{
1144 static const int firstep[] = { 0, 4, 8 };
1145 u32 level = param;
1146
1147 if (level >= ARRAY_SIZE(firstep)) {
1148 ath_dbg(common, ATH_DBG_ANI,
1149 "level out of range (%u > %zu)\n",
1150 level, ARRAY_SIZE(firstep));
1151 return false;
1152 }
1153 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1154 AR_PHY_FIND_SIG_FIRSTEP,
1155 firstep[level]);
1156 if (level > aniState->firstepLevel)
1157 ah->stats.ast_ani_stepup++;
1158 else if (level < aniState->firstepLevel)
1159 ah->stats.ast_ani_stepdown++;
1160 aniState->firstepLevel = level;
1161 break;
1162 }
1163 case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
1164 static const int cycpwrThr1[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
1165 u32 level = param;
1166
1167 if (level >= ARRAY_SIZE(cycpwrThr1)) {
1168 ath_dbg(common, ATH_DBG_ANI,
1169 "level out of range (%u > %zu)\n",
1170 level, ARRAY_SIZE(cycpwrThr1));
1171 return false;
1172 }
1173 REG_RMW_FIELD(ah, AR_PHY_TIMING5,
1174 AR_PHY_TIMING5_CYCPWR_THR1,
1175 cycpwrThr1[level]);
1176 if (level > aniState->spurImmunityLevel)
1177 ah->stats.ast_ani_spurup++;
1178 else if (level < aniState->spurImmunityLevel)
1179 ah->stats.ast_ani_spurdown++;
1180 aniState->spurImmunityLevel = level;
1181 break;
1182 }
1183 case ATH9K_ANI_PRESENT:
1184 break;
1185 default:
1186 ath_dbg(common, ATH_DBG_ANI, "invalid cmd %u\n", cmd);
1187 return false;
1188 }
1189
1190 ath_dbg(common, ATH_DBG_ANI, "ANI parameters:\n");
1191 ath_dbg(common, ATH_DBG_ANI,
1192 "noiseImmunityLevel=%d, spurImmunityLevel=%d, ofdmWeakSigDetectOff=%d\n",
1193 aniState->noiseImmunityLevel,
1194 aniState->spurImmunityLevel,
1195 !aniState->ofdmWeakSigDetectOff);
1196 ath_dbg(common, ATH_DBG_ANI,
1197 "cckWeakSigThreshold=%d, firstepLevel=%d, listenTime=%d\n",
1198 aniState->cckWeakSigThreshold,
1199 aniState->firstepLevel,
1200 aniState->listenTime);
1201 ath_dbg(common, ATH_DBG_ANI,
1202 "ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
1203 aniState->ofdmPhyErrCount,
1204 aniState->cckPhyErrCount);
1205
1206 return true;
1207 }
1208
ar5008_hw_ani_control_new(struct ath_hw * ah,enum ath9k_ani_cmd cmd,int param)1209 static bool ar5008_hw_ani_control_new(struct ath_hw *ah,
1210 enum ath9k_ani_cmd cmd,
1211 int param)
1212 {
1213 struct ath_common *common = ath9k_hw_common(ah);
1214 struct ath9k_channel *chan = ah->curchan;
1215 struct ar5416AniState *aniState = &chan->ani;
1216 s32 value, value2;
1217
1218 switch (cmd & ah->ani_function) {
1219 case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
1220 /*
1221 * on == 1 means ofdm weak signal detection is ON
1222 * on == 1 is the default, for less noise immunity
1223 *
1224 * on == 0 means ofdm weak signal detection is OFF
1225 * on == 0 means more noise imm
1226 */
1227 u32 on = param ? 1 : 0;
1228 /*
1229 * make register setting for default
1230 * (weak sig detect ON) come from INI file
1231 */
1232 int m1ThreshLow = on ?
1233 aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
1234 int m2ThreshLow = on ?
1235 aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
1236 int m1Thresh = on ?
1237 aniState->iniDef.m1Thresh : m1Thresh_off;
1238 int m2Thresh = on ?
1239 aniState->iniDef.m2Thresh : m2Thresh_off;
1240 int m2CountThr = on ?
1241 aniState->iniDef.m2CountThr : m2CountThr_off;
1242 int m2CountThrLow = on ?
1243 aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
1244 int m1ThreshLowExt = on ?
1245 aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
1246 int m2ThreshLowExt = on ?
1247 aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
1248 int m1ThreshExt = on ?
1249 aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
1250 int m2ThreshExt = on ?
1251 aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
1252
1253 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1254 AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
1255 m1ThreshLow);
1256 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1257 AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
1258 m2ThreshLow);
1259 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1260 AR_PHY_SFCORR_M1_THRESH, m1Thresh);
1261 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1262 AR_PHY_SFCORR_M2_THRESH, m2Thresh);
1263 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
1264 AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
1265 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
1266 AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
1267 m2CountThrLow);
1268
1269 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1270 AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
1271 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1272 AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
1273 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1274 AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
1275 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
1276 AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
1277
1278 if (on)
1279 REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
1280 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1281 else
1282 REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
1283 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
1284
1285 if (!on != aniState->ofdmWeakSigDetectOff) {
1286 ath_dbg(common, ATH_DBG_ANI,
1287 "** ch %d: ofdm weak signal: %s=>%s\n",
1288 chan->channel,
1289 !aniState->ofdmWeakSigDetectOff ?
1290 "on" : "off",
1291 on ? "on" : "off");
1292 if (on)
1293 ah->stats.ast_ani_ofdmon++;
1294 else
1295 ah->stats.ast_ani_ofdmoff++;
1296 aniState->ofdmWeakSigDetectOff = !on;
1297 }
1298 break;
1299 }
1300 case ATH9K_ANI_FIRSTEP_LEVEL:{
1301 u32 level = param;
1302
1303 if (level >= ARRAY_SIZE(firstep_table)) {
1304 ath_dbg(common, ATH_DBG_ANI,
1305 "ATH9K_ANI_FIRSTEP_LEVEL: level out of range (%u > %zu)\n",
1306 level, ARRAY_SIZE(firstep_table));
1307 return false;
1308 }
1309
1310 /*
1311 * make register setting relative to default
1312 * from INI file & cap value
1313 */
1314 value = firstep_table[level] -
1315 firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
1316 aniState->iniDef.firstep;
1317 if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN)
1318 value = ATH9K_SIG_FIRSTEP_SETTING_MIN;
1319 if (value > ATH9K_SIG_FIRSTEP_SETTING_MAX)
1320 value = ATH9K_SIG_FIRSTEP_SETTING_MAX;
1321 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
1322 AR_PHY_FIND_SIG_FIRSTEP,
1323 value);
1324 /*
1325 * we need to set first step low register too
1326 * make register setting relative to default
1327 * from INI file & cap value
1328 */
1329 value2 = firstep_table[level] -
1330 firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
1331 aniState->iniDef.firstepLow;
1332 if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN)
1333 value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN;
1334 if (value2 > ATH9K_SIG_FIRSTEP_SETTING_MAX)
1335 value2 = ATH9K_SIG_FIRSTEP_SETTING_MAX;
1336
1337 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW,
1338 AR_PHY_FIND_SIG_FIRSTEP_LOW, value2);
1339
1340 if (level != aniState->firstepLevel) {
1341 ath_dbg(common, ATH_DBG_ANI,
1342 "** ch %d: level %d=>%d[def:%d] firstep[level]=%d ini=%d\n",
1343 chan->channel,
1344 aniState->firstepLevel,
1345 level,
1346 ATH9K_ANI_FIRSTEP_LVL_NEW,
1347 value,
1348 aniState->iniDef.firstep);
1349 ath_dbg(common, ATH_DBG_ANI,
1350 "** ch %d: level %d=>%d[def:%d] firstep_low[level]=%d ini=%d\n",
1351 chan->channel,
1352 aniState->firstepLevel,
1353 level,
1354 ATH9K_ANI_FIRSTEP_LVL_NEW,
1355 value2,
1356 aniState->iniDef.firstepLow);
1357 if (level > aniState->firstepLevel)
1358 ah->stats.ast_ani_stepup++;
1359 else if (level < aniState->firstepLevel)
1360 ah->stats.ast_ani_stepdown++;
1361 aniState->firstepLevel = level;
1362 }
1363 break;
1364 }
1365 case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
1366 u32 level = param;
1367
1368 if (level >= ARRAY_SIZE(cycpwrThr1_table)) {
1369 ath_dbg(common, ATH_DBG_ANI,
1370 "ATH9K_ANI_SPUR_IMMUNITY_LEVEL: level out of range (%u > %zu)\n",
1371 level, ARRAY_SIZE(cycpwrThr1_table));
1372 return false;
1373 }
1374 /*
1375 * make register setting relative to default
1376 * from INI file & cap value
1377 */
1378 value = cycpwrThr1_table[level] -
1379 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
1380 aniState->iniDef.cycpwrThr1;
1381 if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
1382 value = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
1383 if (value > ATH9K_SIG_SPUR_IMM_SETTING_MAX)
1384 value = ATH9K_SIG_SPUR_IMM_SETTING_MAX;
1385 REG_RMW_FIELD(ah, AR_PHY_TIMING5,
1386 AR_PHY_TIMING5_CYCPWR_THR1,
1387 value);
1388
1389 /*
1390 * set AR_PHY_EXT_CCA for extension channel
1391 * make register setting relative to default
1392 * from INI file & cap value
1393 */
1394 value2 = cycpwrThr1_table[level] -
1395 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
1396 aniState->iniDef.cycpwrThr1Ext;
1397 if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
1398 value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
1399 if (value2 > ATH9K_SIG_SPUR_IMM_SETTING_MAX)
1400 value2 = ATH9K_SIG_SPUR_IMM_SETTING_MAX;
1401 REG_RMW_FIELD(ah, AR_PHY_EXT_CCA,
1402 AR_PHY_EXT_TIMING5_CYCPWR_THR1, value2);
1403
1404 if (level != aniState->spurImmunityLevel) {
1405 ath_dbg(common, ATH_DBG_ANI,
1406 "** ch %d: level %d=>%d[def:%d] cycpwrThr1[level]=%d ini=%d\n",
1407 chan->channel,
1408 aniState->spurImmunityLevel,
1409 level,
1410 ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
1411 value,
1412 aniState->iniDef.cycpwrThr1);
1413 ath_dbg(common, ATH_DBG_ANI,
1414 "** ch %d: level %d=>%d[def:%d] cycpwrThr1Ext[level]=%d ini=%d\n",
1415 chan->channel,
1416 aniState->spurImmunityLevel,
1417 level,
1418 ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
1419 value2,
1420 aniState->iniDef.cycpwrThr1Ext);
1421 if (level > aniState->spurImmunityLevel)
1422 ah->stats.ast_ani_spurup++;
1423 else if (level < aniState->spurImmunityLevel)
1424 ah->stats.ast_ani_spurdown++;
1425 aniState->spurImmunityLevel = level;
1426 }
1427 break;
1428 }
1429 case ATH9K_ANI_MRC_CCK:
1430 /*
1431 * You should not see this as AR5008, AR9001, AR9002
1432 * does not have hardware support for MRC CCK.
1433 */
1434 WARN_ON(1);
1435 break;
1436 case ATH9K_ANI_PRESENT:
1437 break;
1438 default:
1439 ath_dbg(common, ATH_DBG_ANI, "invalid cmd %u\n", cmd);
1440 return false;
1441 }
1442
1443 ath_dbg(common, ATH_DBG_ANI,
1444 "ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n",
1445 aniState->spurImmunityLevel,
1446 !aniState->ofdmWeakSigDetectOff ? "on" : "off",
1447 aniState->firstepLevel,
1448 !aniState->mrcCCKOff ? "on" : "off",
1449 aniState->listenTime,
1450 aniState->ofdmPhyErrCount,
1451 aniState->cckPhyErrCount);
1452 return true;
1453 }
1454
ar5008_hw_do_getnf(struct ath_hw * ah,int16_t nfarray[NUM_NF_READINGS])1455 static void ar5008_hw_do_getnf(struct ath_hw *ah,
1456 int16_t nfarray[NUM_NF_READINGS])
1457 {
1458 int16_t nf;
1459
1460 nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
1461 nfarray[0] = sign_extend32(nf, 8);
1462
1463 nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR);
1464 nfarray[1] = sign_extend32(nf, 8);
1465
1466 nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
1467 nfarray[2] = sign_extend32(nf, 8);
1468
1469 if (!IS_CHAN_HT40(ah->curchan))
1470 return;
1471
1472 nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
1473 nfarray[3] = sign_extend32(nf, 8);
1474
1475 nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR);
1476 nfarray[4] = sign_extend32(nf, 8);
1477
1478 nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR);
1479 nfarray[5] = sign_extend32(nf, 8);
1480 }
1481
1482 /*
1483 * Initialize the ANI register values with default (ini) values.
1484 * This routine is called during a (full) hardware reset after
1485 * all the registers are initialised from the INI.
1486 */
ar5008_hw_ani_cache_ini_regs(struct ath_hw * ah)1487 static void ar5008_hw_ani_cache_ini_regs(struct ath_hw *ah)
1488 {
1489 struct ath_common *common = ath9k_hw_common(ah);
1490 struct ath9k_channel *chan = ah->curchan;
1491 struct ar5416AniState *aniState = &chan->ani;
1492 struct ath9k_ani_default *iniDef;
1493 u32 val;
1494
1495 iniDef = &aniState->iniDef;
1496
1497 ath_dbg(common, ATH_DBG_ANI, "ver %d.%d opmode %u chan %d Mhz/0x%x\n",
1498 ah->hw_version.macVersion,
1499 ah->hw_version.macRev,
1500 ah->opmode,
1501 chan->channel,
1502 chan->channelFlags);
1503
1504 val = REG_READ(ah, AR_PHY_SFCORR);
1505 iniDef->m1Thresh = MS(val, AR_PHY_SFCORR_M1_THRESH);
1506 iniDef->m2Thresh = MS(val, AR_PHY_SFCORR_M2_THRESH);
1507 iniDef->m2CountThr = MS(val, AR_PHY_SFCORR_M2COUNT_THR);
1508
1509 val = REG_READ(ah, AR_PHY_SFCORR_LOW);
1510 iniDef->m1ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M1_THRESH_LOW);
1511 iniDef->m2ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M2_THRESH_LOW);
1512 iniDef->m2CountThrLow = MS(val, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW);
1513
1514 val = REG_READ(ah, AR_PHY_SFCORR_EXT);
1515 iniDef->m1ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH);
1516 iniDef->m2ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH);
1517 iniDef->m1ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH_LOW);
1518 iniDef->m2ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH_LOW);
1519 iniDef->firstep = REG_READ_FIELD(ah,
1520 AR_PHY_FIND_SIG,
1521 AR_PHY_FIND_SIG_FIRSTEP);
1522 iniDef->firstepLow = REG_READ_FIELD(ah,
1523 AR_PHY_FIND_SIG_LOW,
1524 AR_PHY_FIND_SIG_FIRSTEP_LOW);
1525 iniDef->cycpwrThr1 = REG_READ_FIELD(ah,
1526 AR_PHY_TIMING5,
1527 AR_PHY_TIMING5_CYCPWR_THR1);
1528 iniDef->cycpwrThr1Ext = REG_READ_FIELD(ah,
1529 AR_PHY_EXT_CCA,
1530 AR_PHY_EXT_TIMING5_CYCPWR_THR1);
1531
1532 /* these levels just got reset to defaults by the INI */
1533 aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
1534 aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
1535 aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG;
1536 aniState->mrcCCKOff = true; /* not available on pre AR9003 */
1537 }
1538
ar5008_hw_set_nf_limits(struct ath_hw * ah)1539 static void ar5008_hw_set_nf_limits(struct ath_hw *ah)
1540 {
1541 ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
1542 ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
1543 ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
1544 ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
1545 ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
1546 ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
1547 }
1548
ar5008_hw_set_radar_params(struct ath_hw * ah,struct ath_hw_radar_conf * conf)1549 static void ar5008_hw_set_radar_params(struct ath_hw *ah,
1550 struct ath_hw_radar_conf *conf)
1551 {
1552 u32 radar_0 = 0, radar_1 = 0;
1553
1554 if (!conf) {
1555 REG_CLR_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_ENA);
1556 return;
1557 }
1558
1559 radar_0 |= AR_PHY_RADAR_0_ENA | AR_PHY_RADAR_0_FFT_ENA;
1560 radar_0 |= SM(conf->fir_power, AR_PHY_RADAR_0_FIRPWR);
1561 radar_0 |= SM(conf->radar_rssi, AR_PHY_RADAR_0_RRSSI);
1562 radar_0 |= SM(conf->pulse_height, AR_PHY_RADAR_0_HEIGHT);
1563 radar_0 |= SM(conf->pulse_rssi, AR_PHY_RADAR_0_PRSSI);
1564 radar_0 |= SM(conf->pulse_inband, AR_PHY_RADAR_0_INBAND);
1565
1566 radar_1 |= AR_PHY_RADAR_1_MAX_RRSSI;
1567 radar_1 |= AR_PHY_RADAR_1_BLOCK_CHECK;
1568 radar_1 |= SM(conf->pulse_maxlen, AR_PHY_RADAR_1_MAXLEN);
1569 radar_1 |= SM(conf->pulse_inband_step, AR_PHY_RADAR_1_RELSTEP_THRESH);
1570 radar_1 |= SM(conf->radar_inband, AR_PHY_RADAR_1_RELPWR_THRESH);
1571
1572 REG_WRITE(ah, AR_PHY_RADAR_0, radar_0);
1573 REG_WRITE(ah, AR_PHY_RADAR_1, radar_1);
1574 if (conf->ext_channel)
1575 REG_SET_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA);
1576 else
1577 REG_CLR_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA);
1578 }
1579
ar5008_hw_set_radar_conf(struct ath_hw * ah)1580 static void ar5008_hw_set_radar_conf(struct ath_hw *ah)
1581 {
1582 struct ath_hw_radar_conf *conf = &ah->radar_conf;
1583
1584 conf->fir_power = -33;
1585 conf->radar_rssi = 20;
1586 conf->pulse_height = 10;
1587 conf->pulse_rssi = 24;
1588 conf->pulse_inband = 15;
1589 conf->pulse_maxlen = 255;
1590 conf->pulse_inband_step = 12;
1591 conf->radar_inband = 8;
1592 }
1593
ar5008_hw_attach_phy_ops(struct ath_hw * ah)1594 void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
1595 {
1596 struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
1597 static const u32 ar5416_cca_regs[6] = {
1598 AR_PHY_CCA,
1599 AR_PHY_CH1_CCA,
1600 AR_PHY_CH2_CCA,
1601 AR_PHY_EXT_CCA,
1602 AR_PHY_CH1_EXT_CCA,
1603 AR_PHY_CH2_EXT_CCA
1604 };
1605
1606 priv_ops->rf_set_freq = ar5008_hw_set_channel;
1607 priv_ops->spur_mitigate_freq = ar5008_hw_spur_mitigate;
1608
1609 priv_ops->rf_alloc_ext_banks = ar5008_hw_rf_alloc_ext_banks;
1610 priv_ops->rf_free_ext_banks = ar5008_hw_rf_free_ext_banks;
1611 priv_ops->set_rf_regs = ar5008_hw_set_rf_regs;
1612 priv_ops->set_channel_regs = ar5008_hw_set_channel_regs;
1613 priv_ops->init_bb = ar5008_hw_init_bb;
1614 priv_ops->process_ini = ar5008_hw_process_ini;
1615 priv_ops->set_rfmode = ar5008_hw_set_rfmode;
1616 priv_ops->mark_phy_inactive = ar5008_hw_mark_phy_inactive;
1617 priv_ops->set_delta_slope = ar5008_hw_set_delta_slope;
1618 priv_ops->rfbus_req = ar5008_hw_rfbus_req;
1619 priv_ops->rfbus_done = ar5008_hw_rfbus_done;
1620 priv_ops->restore_chainmask = ar5008_restore_chainmask;
1621 priv_ops->set_diversity = ar5008_set_diversity;
1622 priv_ops->do_getnf = ar5008_hw_do_getnf;
1623 priv_ops->set_radar_params = ar5008_hw_set_radar_params;
1624
1625 if (modparam_force_new_ani) {
1626 priv_ops->ani_control = ar5008_hw_ani_control_new;
1627 priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs;
1628 } else
1629 priv_ops->ani_control = ar5008_hw_ani_control_old;
1630
1631 if (AR_SREV_9100(ah))
1632 priv_ops->compute_pll_control = ar9100_hw_compute_pll_control;
1633 else if (AR_SREV_9160_10_OR_LATER(ah))
1634 priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
1635 else
1636 priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;
1637
1638 ar5008_hw_set_nf_limits(ah);
1639 ar5008_hw_set_radar_conf(ah);
1640 memcpy(ah->nf_regs, ar5416_cca_regs, sizeof(ah->nf_regs));
1641 }
1642