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Commit | Line | Data |
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8525f280 | 1 | /* |
5b68138e | 2 | * Copyright (c) 2010-2011 Atheros Communications Inc. |
8525f280 LR |
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 | ||
ee40fa06 | 17 | #include <linux/export.h> |
8525f280 | 18 | #include "hw.h" |
da6f1d7f | 19 | #include "ar9003_phy.h" |
8525f280 | 20 | |
e36b27af LR |
21 | static const int firstep_table[] = |
22 | /* level: 0 1 2 3 4 5 6 7 8 */ | |
23 | { -4, -2, 0, 2, 4, 6, 8, 10, 12 }; /* lvl 0-8, default 2 */ | |
24 | ||
25 | static const int cycpwrThr1_table[] = | |
26 | /* level: 0 1 2 3 4 5 6 7 8 */ | |
27 | { -6, -4, -2, 0, 2, 4, 6, 8 }; /* lvl 0-7, default 3 */ | |
28 | ||
29 | /* | |
30 | * register values to turn OFDM weak signal detection OFF | |
31 | */ | |
32 | static const int m1ThreshLow_off = 127; | |
33 | static const int m2ThreshLow_off = 127; | |
34 | static const int m1Thresh_off = 127; | |
35 | static const int m2Thresh_off = 127; | |
36 | static const int m2CountThr_off = 31; | |
37 | static const int m2CountThrLow_off = 63; | |
38 | static const int m1ThreshLowExt_off = 127; | |
39 | static const int m2ThreshLowExt_off = 127; | |
40 | static const int m1ThreshExt_off = 127; | |
41 | static const int m2ThreshExt_off = 127; | |
42 | ||
8525f280 LR |
43 | /** |
44 | * ar9003_hw_set_channel - set channel on single-chip device | |
45 | * @ah: atheros hardware structure | |
46 | * @chan: | |
47 | * | |
48 | * This is the function to change channel on single-chip devices, that is | |
e4922f2b | 49 | * for AR9300 family of chipsets. |
8525f280 LR |
50 | * |
51 | * This function takes the channel value in MHz and sets | |
52 | * hardware channel value. Assumes writes have been enabled to analog bus. | |
53 | * | |
54 | * Actual Expression, | |
55 | * | |
56 | * For 2GHz channel, | |
57 | * Channel Frequency = (3/4) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^17) | |
58 | * (freq_ref = 40MHz) | |
59 | * | |
60 | * For 5GHz channel, | |
61 | * Channel Frequency = (3/2) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^10) | |
62 | * (freq_ref = 40MHz/(24>>amodeRefSel)) | |
63 | * | |
64 | * For 5GHz channels which are 5MHz spaced, | |
65 | * Channel Frequency = (3/2) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^17) | |
66 | * (freq_ref = 40MHz) | |
67 | */ | |
68 | static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan) | |
69 | { | |
f7abf0c1 | 70 | u16 bMode, fracMode = 0, aModeRefSel = 0; |
1a26cda8 | 71 | u32 freq, chan_frac, div, channelSel = 0, reg32 = 0; |
f7abf0c1 FF |
72 | struct chan_centers centers; |
73 | int loadSynthChannel; | |
74 | ||
75 | ath9k_hw_get_channel_centers(ah, chan, ¢ers); | |
76 | freq = centers.synth_center; | |
77 | ||
78 | if (freq < 4800) { /* 2 GHz, fractional mode */ | |
5acb4b93 | 79 | if (AR_SREV_9330(ah)) { |
5acb4b93 GJ |
80 | if (ah->is_clk_25mhz) |
81 | div = 75; | |
82 | else | |
83 | div = 120; | |
84 | ||
85 | channelSel = (freq * 4) / div; | |
86 | chan_frac = (((freq * 4) % div) * 0x20000) / div; | |
87 | channelSel = (channelSel << 17) | chan_frac; | |
a4a2954f | 88 | } else if (AR_SREV_9485(ah) || AR_SREV_9565(ah)) { |
3dfd7f60 | 89 | /* |
1a26cda8 SM |
90 | * freq_ref = 40 / (refdiva >> amoderefsel); |
91 | * where refdiva=1 and amoderefsel=0 | |
3dfd7f60 VT |
92 | * ndiv = ((chan_mhz * 4) / 3) / freq_ref; |
93 | * chansel = int(ndiv), chanfrac = (ndiv - chansel) * 0x20000 | |
94 | */ | |
95 | channelSel = (freq * 4) / 120; | |
96 | chan_frac = (((freq * 4) % 120) * 0x20000) / 120; | |
97 | channelSel = (channelSel << 17) | chan_frac; | |
1a26cda8 | 98 | } else if (AR_SREV_9340(ah)) { |
17869f4f | 99 | if (ah->is_clk_25mhz) { |
17869f4f VT |
100 | channelSel = (freq * 2) / 75; |
101 | chan_frac = (((freq * 2) % 75) * 0x20000) / 75; | |
102 | channelSel = (channelSel << 17) | chan_frac; | |
1a26cda8 | 103 | } else { |
17869f4f | 104 | channelSel = CHANSEL_2G(freq) >> 1; |
1a26cda8 SM |
105 | } |
106 | } else if (AR_SREV_9550(ah)) { | |
107 | if (ah->is_clk_25mhz) | |
108 | div = 75; | |
109 | else | |
110 | div = 120; | |
111 | ||
112 | channelSel = (freq * 4) / div; | |
113 | chan_frac = (((freq * 4) % div) * 0x20000) / div; | |
114 | channelSel = (channelSel << 17) | chan_frac; | |
115 | } else { | |
85dd0921 | 116 | channelSel = CHANSEL_2G(freq); |
1a26cda8 | 117 | } |
f7abf0c1 FF |
118 | /* Set to 2G mode */ |
119 | bMode = 1; | |
120 | } else { | |
db4a3de9 GJ |
121 | if ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) && |
122 | ah->is_clk_25mhz) { | |
530275e5 FF |
123 | channelSel = freq / 75; |
124 | chan_frac = ((freq % 75) * 0x20000) / 75; | |
17869f4f VT |
125 | channelSel = (channelSel << 17) | chan_frac; |
126 | } else { | |
127 | channelSel = CHANSEL_5G(freq); | |
128 | /* Doubler is ON, so, divide channelSel by 2. */ | |
129 | channelSel >>= 1; | |
130 | } | |
f7abf0c1 FF |
131 | /* Set to 5G mode */ |
132 | bMode = 0; | |
133 | } | |
134 | ||
135 | /* Enable fractional mode for all channels */ | |
136 | fracMode = 1; | |
137 | aModeRefSel = 0; | |
138 | loadSynthChannel = 0; | |
139 | ||
140 | reg32 = (bMode << 29); | |
141 | REG_WRITE(ah, AR_PHY_SYNTH_CONTROL, reg32); | |
142 | ||
143 | /* Enable Long shift Select for Synthesizer */ | |
144 | REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_SYNTH4, | |
145 | AR_PHY_SYNTH4_LONG_SHIFT_SELECT, 1); | |
146 | ||
147 | /* Program Synth. setting */ | |
148 | reg32 = (channelSel << 2) | (fracMode << 30) | | |
149 | (aModeRefSel << 28) | (loadSynthChannel << 31); | |
150 | REG_WRITE(ah, AR_PHY_65NM_CH0_SYNTH7, reg32); | |
151 | ||
152 | /* Toggle Load Synth channel bit */ | |
153 | loadSynthChannel = 1; | |
154 | reg32 = (channelSel << 2) | (fracMode << 30) | | |
155 | (aModeRefSel << 28) | (loadSynthChannel << 31); | |
156 | REG_WRITE(ah, AR_PHY_65NM_CH0_SYNTH7, reg32); | |
157 | ||
158 | ah->curchan = chan; | |
f7abf0c1 | 159 | |
8525f280 LR |
160 | return 0; |
161 | } | |
162 | ||
163 | /** | |
e36b27af | 164 | * ar9003_hw_spur_mitigate_mrc_cck - convert baseband spur frequency |
8525f280 LR |
165 | * @ah: atheros hardware structure |
166 | * @chan: | |
167 | * | |
168 | * For single-chip solutions. Converts to baseband spur frequency given the | |
169 | * input channel frequency and compute register settings below. | |
170 | * | |
171 | * Spur mitigation for MRC CCK | |
172 | */ | |
1547da37 LR |
173 | static void ar9003_hw_spur_mitigate_mrc_cck(struct ath_hw *ah, |
174 | struct ath9k_channel *chan) | |
8525f280 | 175 | { |
07b2fa5a | 176 | static const u32 spur_freq[4] = { 2420, 2440, 2464, 2480 }; |
ca375554 FF |
177 | int cur_bb_spur, negative = 0, cck_spur_freq; |
178 | int i; | |
d9a2545a | 179 | int range, max_spur_cnts, synth_freq; |
4b5237cc | 180 | u8 *spur_fbin_ptr = ar9003_get_spur_chan_ptr(ah, IS_CHAN_2GHZ(chan)); |
ca375554 FF |
181 | |
182 | /* | |
183 | * Need to verify range +/- 10 MHz in control channel, otherwise spur | |
184 | * is out-of-band and can be ignored. | |
185 | */ | |
186 | ||
8528f12e GJ |
187 | if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah) || |
188 | AR_SREV_9550(ah)) { | |
d9a2545a VT |
189 | if (spur_fbin_ptr[0] == 0) /* No spur */ |
190 | return; | |
191 | max_spur_cnts = 5; | |
192 | if (IS_CHAN_HT40(chan)) { | |
193 | range = 19; | |
194 | if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL, | |
195 | AR_PHY_GC_DYN2040_PRI_CH) == 0) | |
196 | synth_freq = chan->channel + 10; | |
197 | else | |
198 | synth_freq = chan->channel - 10; | |
199 | } else { | |
200 | range = 10; | |
201 | synth_freq = chan->channel; | |
202 | } | |
203 | } else { | |
38df2f07 | 204 | range = AR_SREV_9462(ah) ? 5 : 10; |
d9a2545a VT |
205 | max_spur_cnts = 4; |
206 | synth_freq = chan->channel; | |
207 | } | |
208 | ||
209 | for (i = 0; i < max_spur_cnts; i++) { | |
38df2f07 RM |
210 | if (AR_SREV_9462(ah) && (i == 0 || i == 3)) |
211 | continue; | |
d43d04a9 | 212 | |
ca375554 | 213 | negative = 0; |
8528f12e GJ |
214 | if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah) || |
215 | AR_SREV_9550(ah)) | |
8edb254c GJ |
216 | cur_bb_spur = ath9k_hw_fbin2freq(spur_fbin_ptr[i], |
217 | IS_CHAN_2GHZ(chan)); | |
d9a2545a | 218 | else |
8edb254c | 219 | cur_bb_spur = spur_freq[i]; |
ca375554 | 220 | |
8edb254c | 221 | cur_bb_spur -= synth_freq; |
ca375554 FF |
222 | if (cur_bb_spur < 0) { |
223 | negative = 1; | |
224 | cur_bb_spur = -cur_bb_spur; | |
225 | } | |
d9a2545a | 226 | if (cur_bb_spur < range) { |
ca375554 FF |
227 | cck_spur_freq = (int)((cur_bb_spur << 19) / 11); |
228 | ||
229 | if (negative == 1) | |
230 | cck_spur_freq = -cck_spur_freq; | |
231 | ||
232 | cck_spur_freq = cck_spur_freq & 0xfffff; | |
233 | ||
234 | REG_RMW_FIELD(ah, AR_PHY_AGC_CONTROL, | |
235 | AR_PHY_AGC_CONTROL_YCOK_MAX, 0x7); | |
236 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
237 | AR_PHY_CCK_SPUR_MIT_SPUR_RSSI_THR, 0x7f); | |
238 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
239 | AR_PHY_CCK_SPUR_MIT_SPUR_FILTER_TYPE, | |
240 | 0x2); | |
241 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
242 | AR_PHY_CCK_SPUR_MIT_USE_CCK_SPUR_MIT, | |
243 | 0x1); | |
244 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
245 | AR_PHY_CCK_SPUR_MIT_CCK_SPUR_FREQ, | |
246 | cck_spur_freq); | |
247 | ||
248 | return; | |
249 | } | |
250 | } | |
251 | ||
252 | REG_RMW_FIELD(ah, AR_PHY_AGC_CONTROL, | |
253 | AR_PHY_AGC_CONTROL_YCOK_MAX, 0x5); | |
254 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
255 | AR_PHY_CCK_SPUR_MIT_USE_CCK_SPUR_MIT, 0x0); | |
256 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
257 | AR_PHY_CCK_SPUR_MIT_CCK_SPUR_FREQ, 0x0); | |
8525f280 LR |
258 | } |
259 | ||
1547da37 LR |
260 | /* Clean all spur register fields */ |
261 | static void ar9003_hw_spur_ofdm_clear(struct ath_hw *ah) | |
262 | { | |
263 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
264 | AR_PHY_TIMING4_ENABLE_SPUR_FILTER, 0); | |
265 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
266 | AR_PHY_TIMING11_SPUR_FREQ_SD, 0); | |
267 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
268 | AR_PHY_TIMING11_SPUR_DELTA_PHASE, 0); | |
269 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, | |
270 | AR_PHY_SFCORR_EXT_SPUR_SUBCHANNEL_SD, 0); | |
271 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
272 | AR_PHY_TIMING11_USE_SPUR_FILTER_IN_AGC, 0); | |
273 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
274 | AR_PHY_TIMING11_USE_SPUR_FILTER_IN_SELFCOR, 0); | |
275 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
276 | AR_PHY_TIMING4_ENABLE_SPUR_RSSI, 0); | |
277 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
278 | AR_PHY_SPUR_REG_EN_VIT_SPUR_RSSI, 0); | |
279 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
280 | AR_PHY_SPUR_REG_ENABLE_NF_RSSI_SPUR_MIT, 0); | |
281 | ||
282 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
283 | AR_PHY_SPUR_REG_ENABLE_MASK_PPM, 0); | |
284 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
285 | AR_PHY_TIMING4_ENABLE_PILOT_MASK, 0); | |
286 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
287 | AR_PHY_TIMING4_ENABLE_CHAN_MASK, 0); | |
288 | REG_RMW_FIELD(ah, AR_PHY_PILOT_SPUR_MASK, | |
289 | AR_PHY_PILOT_SPUR_MASK_CF_PILOT_MASK_IDX_A, 0); | |
290 | REG_RMW_FIELD(ah, AR_PHY_SPUR_MASK_A, | |
291 | AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A, 0); | |
292 | REG_RMW_FIELD(ah, AR_PHY_CHAN_SPUR_MASK, | |
293 | AR_PHY_CHAN_SPUR_MASK_CF_CHAN_MASK_IDX_A, 0); | |
294 | REG_RMW_FIELD(ah, AR_PHY_PILOT_SPUR_MASK, | |
295 | AR_PHY_PILOT_SPUR_MASK_CF_PILOT_MASK_A, 0); | |
296 | REG_RMW_FIELD(ah, AR_PHY_CHAN_SPUR_MASK, | |
297 | AR_PHY_CHAN_SPUR_MASK_CF_CHAN_MASK_A, 0); | |
298 | REG_RMW_FIELD(ah, AR_PHY_SPUR_MASK_A, | |
299 | AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_A, 0); | |
300 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
301 | AR_PHY_SPUR_REG_MASK_RATE_CNTL, 0); | |
302 | } | |
303 | ||
304 | static void ar9003_hw_spur_ofdm(struct ath_hw *ah, | |
305 | int freq_offset, | |
306 | int spur_freq_sd, | |
307 | int spur_delta_phase, | |
d43d04a9 SM |
308 | int spur_subchannel_sd, |
309 | int range, | |
310 | int synth_freq) | |
1547da37 LR |
311 | { |
312 | int mask_index = 0; | |
313 | ||
314 | /* OFDM Spur mitigation */ | |
315 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
316 | AR_PHY_TIMING4_ENABLE_SPUR_FILTER, 0x1); | |
317 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
318 | AR_PHY_TIMING11_SPUR_FREQ_SD, spur_freq_sd); | |
319 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
320 | AR_PHY_TIMING11_SPUR_DELTA_PHASE, spur_delta_phase); | |
321 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, | |
322 | AR_PHY_SFCORR_EXT_SPUR_SUBCHANNEL_SD, spur_subchannel_sd); | |
323 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
324 | AR_PHY_TIMING11_USE_SPUR_FILTER_IN_AGC, 0x1); | |
d43d04a9 SM |
325 | |
326 | if (!(AR_SREV_9565(ah) && range == 10 && synth_freq == 2437)) | |
327 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
328 | AR_PHY_TIMING11_USE_SPUR_FILTER_IN_SELFCOR, 0x1); | |
329 | ||
1547da37 LR |
330 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, |
331 | AR_PHY_TIMING4_ENABLE_SPUR_RSSI, 0x1); | |
332 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
333 | AR_PHY_SPUR_REG_SPUR_RSSI_THRESH, 34); | |
334 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
335 | AR_PHY_SPUR_REG_EN_VIT_SPUR_RSSI, 1); | |
336 | ||
23dd9b2a FF |
337 | if (!AR_SREV_9340(ah) && |
338 | REG_READ_FIELD(ah, AR_PHY_MODE, | |
1547da37 LR |
339 | AR_PHY_MODE_DYNAMIC) == 0x1) |
340 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
341 | AR_PHY_SPUR_REG_ENABLE_NF_RSSI_SPUR_MIT, 1); | |
342 | ||
343 | mask_index = (freq_offset << 4) / 5; | |
344 | if (mask_index < 0) | |
345 | mask_index = mask_index - 1; | |
346 | ||
347 | mask_index = mask_index & 0x7f; | |
348 | ||
349 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
350 | AR_PHY_SPUR_REG_ENABLE_MASK_PPM, 0x1); | |
351 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
352 | AR_PHY_TIMING4_ENABLE_PILOT_MASK, 0x1); | |
353 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
354 | AR_PHY_TIMING4_ENABLE_CHAN_MASK, 0x1); | |
355 | REG_RMW_FIELD(ah, AR_PHY_PILOT_SPUR_MASK, | |
356 | AR_PHY_PILOT_SPUR_MASK_CF_PILOT_MASK_IDX_A, mask_index); | |
357 | REG_RMW_FIELD(ah, AR_PHY_SPUR_MASK_A, | |
358 | AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A, mask_index); | |
359 | REG_RMW_FIELD(ah, AR_PHY_CHAN_SPUR_MASK, | |
360 | AR_PHY_CHAN_SPUR_MASK_CF_CHAN_MASK_IDX_A, mask_index); | |
361 | REG_RMW_FIELD(ah, AR_PHY_PILOT_SPUR_MASK, | |
362 | AR_PHY_PILOT_SPUR_MASK_CF_PILOT_MASK_A, 0xc); | |
363 | REG_RMW_FIELD(ah, AR_PHY_CHAN_SPUR_MASK, | |
364 | AR_PHY_CHAN_SPUR_MASK_CF_CHAN_MASK_A, 0xc); | |
365 | REG_RMW_FIELD(ah, AR_PHY_SPUR_MASK_A, | |
366 | AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_A, 0xa0); | |
367 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
368 | AR_PHY_SPUR_REG_MASK_RATE_CNTL, 0xff); | |
369 | } | |
370 | ||
d43d04a9 SM |
371 | static void ar9003_hw_spur_ofdm_9565(struct ath_hw *ah, |
372 | int freq_offset) | |
373 | { | |
374 | int mask_index = 0; | |
375 | ||
376 | mask_index = (freq_offset << 4) / 5; | |
377 | if (mask_index < 0) | |
378 | mask_index = mask_index - 1; | |
379 | ||
380 | mask_index = mask_index & 0x7f; | |
381 | ||
382 | REG_RMW_FIELD(ah, AR_PHY_PILOT_SPUR_MASK, | |
383 | AR_PHY_PILOT_SPUR_MASK_CF_PILOT_MASK_IDX_B, | |
384 | mask_index); | |
385 | ||
386 | /* A == B */ | |
387 | REG_RMW_FIELD(ah, AR_PHY_SPUR_MASK_B, | |
388 | AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A, | |
389 | mask_index); | |
390 | ||
391 | REG_RMW_FIELD(ah, AR_PHY_CHAN_SPUR_MASK, | |
392 | AR_PHY_CHAN_SPUR_MASK_CF_CHAN_MASK_IDX_B, | |
393 | mask_index); | |
394 | REG_RMW_FIELD(ah, AR_PHY_PILOT_SPUR_MASK, | |
395 | AR_PHY_PILOT_SPUR_MASK_CF_PILOT_MASK_B, 0xe); | |
396 | REG_RMW_FIELD(ah, AR_PHY_CHAN_SPUR_MASK, | |
397 | AR_PHY_CHAN_SPUR_MASK_CF_CHAN_MASK_B, 0xe); | |
398 | ||
399 | /* A == B */ | |
400 | REG_RMW_FIELD(ah, AR_PHY_SPUR_MASK_B, | |
401 | AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_A, 0xa0); | |
402 | } | |
403 | ||
1547da37 LR |
404 | static void ar9003_hw_spur_ofdm_work(struct ath_hw *ah, |
405 | struct ath9k_channel *chan, | |
d43d04a9 SM |
406 | int freq_offset, |
407 | int range, | |
408 | int synth_freq) | |
1547da37 LR |
409 | { |
410 | int spur_freq_sd = 0; | |
411 | int spur_subchannel_sd = 0; | |
412 | int spur_delta_phase = 0; | |
413 | ||
414 | if (IS_CHAN_HT40(chan)) { | |
415 | if (freq_offset < 0) { | |
416 | if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL, | |
417 | AR_PHY_GC_DYN2040_PRI_CH) == 0x0) | |
418 | spur_subchannel_sd = 1; | |
419 | else | |
420 | spur_subchannel_sd = 0; | |
421 | ||
9d1ceac5 | 422 | spur_freq_sd = ((freq_offset + 10) << 9) / 11; |
1547da37 LR |
423 | |
424 | } else { | |
425 | if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL, | |
426 | AR_PHY_GC_DYN2040_PRI_CH) == 0x0) | |
427 | spur_subchannel_sd = 0; | |
428 | else | |
429 | spur_subchannel_sd = 1; | |
430 | ||
9d1ceac5 | 431 | spur_freq_sd = ((freq_offset - 10) << 9) / 11; |
1547da37 LR |
432 | |
433 | } | |
434 | ||
435 | spur_delta_phase = (freq_offset << 17) / 5; | |
436 | ||
437 | } else { | |
438 | spur_subchannel_sd = 0; | |
439 | spur_freq_sd = (freq_offset << 9) /11; | |
440 | spur_delta_phase = (freq_offset << 18) / 5; | |
441 | } | |
442 | ||
443 | spur_freq_sd = spur_freq_sd & 0x3ff; | |
444 | spur_delta_phase = spur_delta_phase & 0xfffff; | |
445 | ||
446 | ar9003_hw_spur_ofdm(ah, | |
447 | freq_offset, | |
448 | spur_freq_sd, | |
449 | spur_delta_phase, | |
d43d04a9 SM |
450 | spur_subchannel_sd, |
451 | range, synth_freq); | |
1547da37 LR |
452 | } |
453 | ||
454 | /* Spur mitigation for OFDM */ | |
455 | static void ar9003_hw_spur_mitigate_ofdm(struct ath_hw *ah, | |
456 | struct ath9k_channel *chan) | |
457 | { | |
458 | int synth_freq; | |
459 | int range = 10; | |
460 | int freq_offset = 0; | |
461 | int mode; | |
462 | u8* spurChansPtr; | |
463 | unsigned int i; | |
464 | struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; | |
465 | ||
466 | if (IS_CHAN_5GHZ(chan)) { | |
467 | spurChansPtr = &(eep->modalHeader5G.spurChans[0]); | |
468 | mode = 0; | |
469 | } | |
470 | else { | |
471 | spurChansPtr = &(eep->modalHeader2G.spurChans[0]); | |
472 | mode = 1; | |
473 | } | |
474 | ||
475 | if (spurChansPtr[0] == 0) | |
476 | return; /* No spur in the mode */ | |
477 | ||
478 | if (IS_CHAN_HT40(chan)) { | |
479 | range = 19; | |
480 | if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL, | |
481 | AR_PHY_GC_DYN2040_PRI_CH) == 0x0) | |
482 | synth_freq = chan->channel - 10; | |
483 | else | |
484 | synth_freq = chan->channel + 10; | |
485 | } else { | |
486 | range = 10; | |
487 | synth_freq = chan->channel; | |
488 | } | |
489 | ||
490 | ar9003_hw_spur_ofdm_clear(ah); | |
491 | ||
0f8e94d2 | 492 | for (i = 0; i < AR_EEPROM_MODAL_SPURS && spurChansPtr[i]; i++) { |
8edb254c GJ |
493 | freq_offset = ath9k_hw_fbin2freq(spurChansPtr[i], mode); |
494 | freq_offset -= synth_freq; | |
1547da37 | 495 | if (abs(freq_offset) < range) { |
d43d04a9 SM |
496 | ar9003_hw_spur_ofdm_work(ah, chan, freq_offset, |
497 | range, synth_freq); | |
498 | ||
499 | if (AR_SREV_9565(ah) && (i < 4)) { | |
500 | freq_offset = ath9k_hw_fbin2freq(spurChansPtr[i + 1], | |
501 | mode); | |
502 | freq_offset -= synth_freq; | |
503 | if (abs(freq_offset) < range) | |
504 | ar9003_hw_spur_ofdm_9565(ah, freq_offset); | |
505 | } | |
506 | ||
1547da37 LR |
507 | break; |
508 | } | |
509 | } | |
510 | } | |
511 | ||
512 | static void ar9003_hw_spur_mitigate(struct ath_hw *ah, | |
513 | struct ath9k_channel *chan) | |
514 | { | |
d43d04a9 SM |
515 | if (!AR_SREV_9565(ah)) |
516 | ar9003_hw_spur_mitigate_mrc_cck(ah, chan); | |
1547da37 LR |
517 | ar9003_hw_spur_mitigate_ofdm(ah, chan); |
518 | } | |
519 | ||
8525f280 LR |
520 | static u32 ar9003_hw_compute_pll_control(struct ath_hw *ah, |
521 | struct ath9k_channel *chan) | |
522 | { | |
317d3328 FF |
523 | u32 pll; |
524 | ||
525 | pll = SM(0x5, AR_RTC_9300_PLL_REFDIV); | |
526 | ||
527 | if (chan && IS_CHAN_HALF_RATE(chan)) | |
528 | pll |= SM(0x1, AR_RTC_9300_PLL_CLKSEL); | |
529 | else if (chan && IS_CHAN_QUARTER_RATE(chan)) | |
530 | pll |= SM(0x2, AR_RTC_9300_PLL_CLKSEL); | |
531 | ||
14bc1104 | 532 | pll |= SM(0x2c, AR_RTC_9300_PLL_DIV); |
317d3328 FF |
533 | |
534 | return pll; | |
8525f280 LR |
535 | } |
536 | ||
537 | static void ar9003_hw_set_channel_regs(struct ath_hw *ah, | |
538 | struct ath9k_channel *chan) | |
539 | { | |
cffb5e49 LR |
540 | u32 phymode; |
541 | u32 enableDacFifo = 0; | |
542 | ||
543 | enableDacFifo = | |
544 | (REG_READ(ah, AR_PHY_GEN_CTRL) & AR_PHY_GC_ENABLE_DAC_FIFO); | |
545 | ||
546 | /* Enable 11n HT, 20 MHz */ | |
8ad38d22 | 547 | phymode = AR_PHY_GC_HT_EN | AR_PHY_GC_SINGLE_HT_LTF1 | |
cffb5e49 LR |
548 | AR_PHY_GC_SHORT_GI_40 | enableDacFifo; |
549 | ||
550 | /* Configure baseband for dynamic 20/40 operation */ | |
551 | if (IS_CHAN_HT40(chan)) { | |
552 | phymode |= AR_PHY_GC_DYN2040_EN; | |
553 | /* Configure control (primary) channel at +-10MHz */ | |
554 | if ((chan->chanmode == CHANNEL_A_HT40PLUS) || | |
555 | (chan->chanmode == CHANNEL_G_HT40PLUS)) | |
556 | phymode |= AR_PHY_GC_DYN2040_PRI_CH; | |
557 | ||
558 | } | |
559 | ||
560 | /* make sure we preserve INI settings */ | |
561 | phymode |= REG_READ(ah, AR_PHY_GEN_CTRL); | |
562 | /* turn off Green Field detection for STA for now */ | |
563 | phymode &= ~AR_PHY_GC_GF_DETECT_EN; | |
564 | ||
565 | REG_WRITE(ah, AR_PHY_GEN_CTRL, phymode); | |
566 | ||
567 | /* Configure MAC for 20/40 operation */ | |
568 | ath9k_hw_set11nmac2040(ah); | |
569 | ||
570 | /* global transmit timeout (25 TUs default)*/ | |
571 | REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S); | |
572 | /* carrier sense timeout */ | |
573 | REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S); | |
8525f280 LR |
574 | } |
575 | ||
576 | static void ar9003_hw_init_bb(struct ath_hw *ah, | |
577 | struct ath9k_channel *chan) | |
578 | { | |
af914a9f LR |
579 | u32 synthDelay; |
580 | ||
581 | /* | |
582 | * Wait for the frequency synth to settle (synth goes on | |
583 | * via AR_PHY_ACTIVE_EN). Read the phy active delay register. | |
584 | * Value is in 100ns increments. | |
585 | */ | |
586 | synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY; | |
af914a9f LR |
587 | |
588 | /* Activate the PHY (includes baseband activate + synthesizer on) */ | |
589 | REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN); | |
7c5adc8d | 590 | ath9k_hw_synth_delay(ah, chan, synthDelay); |
8525f280 LR |
591 | } |
592 | ||
4a8f1995 | 593 | void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx) |
cffb5e49 | 594 | { |
24171dd9 | 595 | if (ah->caps.tx_chainmask == 5 || ah->caps.rx_chainmask == 5) |
cffb5e49 LR |
596 | REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP, |
597 | AR_PHY_SWAP_ALT_CHAIN); | |
24171dd9 FF |
598 | |
599 | REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx); | |
600 | REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx); | |
cffb5e49 | 601 | |
ea066d5a | 602 | if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7)) |
24171dd9 | 603 | tx = 3; |
ea066d5a | 604 | |
24171dd9 | 605 | REG_WRITE(ah, AR_SELFGEN_MASK, tx); |
cffb5e49 LR |
606 | } |
607 | ||
608 | /* | |
609 | * Override INI values with chip specific configuration. | |
610 | */ | |
611 | static void ar9003_hw_override_ini(struct ath_hw *ah) | |
612 | { | |
613 | u32 val; | |
614 | ||
615 | /* | |
616 | * Set the RX_ABORT and RX_DIS and clear it only after | |
617 | * RXE is set for MAC. This prevents frames with | |
618 | * corrupted descriptor status. | |
619 | */ | |
620 | REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT)); | |
621 | ||
622 | /* | |
623 | * For AR9280 and above, there is a new feature that allows | |
624 | * Multicast search based on both MAC Address and Key ID. By default, | |
625 | * this feature is enabled. But since the driver is not using this | |
626 | * feature, we switch it off; otherwise multicast search based on | |
627 | * MAC addr only will fail. | |
628 | */ | |
629 | val = REG_READ(ah, AR_PCU_MISC_MODE2) & (~AR_ADHOC_MCAST_KEYID_ENABLE); | |
630 | REG_WRITE(ah, AR_PCU_MISC_MODE2, | |
631 | val | AR_AGG_WEP_ENABLE_FIX | AR_AGG_WEP_ENABLE); | |
bf3f204b FF |
632 | |
633 | REG_SET_BIT(ah, AR_PHY_CCK_DETECT, | |
634 | AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV); | |
4b03f16e SM |
635 | |
636 | if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) { | |
637 | REG_WRITE(ah, AR_GLB_SWREG_DISCONT_MODE, | |
638 | AR_GLB_SWREG_DISCONT_EN_BT_WLAN); | |
639 | ||
640 | if (REG_READ_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_0, | |
641 | AR_PHY_TX_IQCAL_CONTROL_0_ENABLE_TXIQ_CAL)) | |
642 | ah->enabled_cals |= TX_IQ_CAL; | |
643 | else | |
644 | ah->enabled_cals &= ~TX_IQ_CAL; | |
645 | ||
646 | if (REG_READ(ah, AR_PHY_CL_CAL_CTL) & AR_PHY_CL_CAL_ENABLE) | |
647 | ah->enabled_cals |= TX_CL_CAL; | |
648 | else | |
649 | ah->enabled_cals &= ~TX_CL_CAL; | |
650 | } | |
cffb5e49 LR |
651 | } |
652 | ||
653 | static void ar9003_hw_prog_ini(struct ath_hw *ah, | |
654 | struct ar5416IniArray *iniArr, | |
655 | int column) | |
656 | { | |
657 | unsigned int i, regWrites = 0; | |
658 | ||
659 | /* New INI format: Array may be undefined (pre, core, post arrays) */ | |
660 | if (!iniArr->ia_array) | |
661 | return; | |
662 | ||
663 | /* | |
664 | * New INI format: Pre, core, and post arrays for a given subsystem | |
665 | * may be modal (> 2 columns) or non-modal (2 columns). Determine if | |
666 | * the array is non-modal and force the column to 1. | |
667 | */ | |
668 | if (column >= iniArr->ia_columns) | |
669 | column = 1; | |
670 | ||
671 | for (i = 0; i < iniArr->ia_rows; i++) { | |
672 | u32 reg = INI_RA(iniArr, i, 0); | |
673 | u32 val = INI_RA(iniArr, i, column); | |
674 | ||
7e68b746 | 675 | REG_WRITE(ah, reg, val); |
b2ccc507 | 676 | |
cffb5e49 LR |
677 | DO_DELAY(regWrites); |
678 | } | |
679 | } | |
680 | ||
8bc45c6b GJ |
681 | static int ar9550_hw_get_modes_txgain_index(struct ath_hw *ah, |
682 | struct ath9k_channel *chan) | |
683 | { | |
684 | int ret; | |
685 | ||
686 | switch (chan->chanmode) { | |
687 | case CHANNEL_A: | |
688 | case CHANNEL_A_HT20: | |
689 | if (chan->channel <= 5350) | |
690 | ret = 1; | |
691 | else if ((chan->channel > 5350) && (chan->channel <= 5600)) | |
692 | ret = 3; | |
693 | else | |
694 | ret = 5; | |
695 | break; | |
696 | ||
697 | case CHANNEL_A_HT40PLUS: | |
698 | case CHANNEL_A_HT40MINUS: | |
699 | if (chan->channel <= 5350) | |
700 | ret = 2; | |
701 | else if ((chan->channel > 5350) && (chan->channel <= 5600)) | |
702 | ret = 4; | |
703 | else | |
704 | ret = 6; | |
705 | break; | |
706 | ||
707 | case CHANNEL_G: | |
708 | case CHANNEL_G_HT20: | |
709 | case CHANNEL_B: | |
710 | ret = 8; | |
711 | break; | |
712 | ||
713 | case CHANNEL_G_HT40PLUS: | |
714 | case CHANNEL_G_HT40MINUS: | |
715 | ret = 7; | |
716 | break; | |
717 | ||
718 | default: | |
719 | ret = -EINVAL; | |
720 | } | |
721 | ||
722 | return ret; | |
723 | } | |
724 | ||
8525f280 LR |
725 | static int ar9003_hw_process_ini(struct ath_hw *ah, |
726 | struct ath9k_channel *chan) | |
727 | { | |
cffb5e49 | 728 | unsigned int regWrites = 0, i; |
0ff2b5c0 | 729 | u32 modesIndex; |
cffb5e49 LR |
730 | |
731 | switch (chan->chanmode) { | |
732 | case CHANNEL_A: | |
733 | case CHANNEL_A_HT20: | |
734 | modesIndex = 1; | |
cffb5e49 LR |
735 | break; |
736 | case CHANNEL_A_HT40PLUS: | |
737 | case CHANNEL_A_HT40MINUS: | |
738 | modesIndex = 2; | |
cffb5e49 LR |
739 | break; |
740 | case CHANNEL_G: | |
741 | case CHANNEL_G_HT20: | |
742 | case CHANNEL_B: | |
743 | modesIndex = 4; | |
cffb5e49 LR |
744 | break; |
745 | case CHANNEL_G_HT40PLUS: | |
746 | case CHANNEL_G_HT40MINUS: | |
747 | modesIndex = 3; | |
cffb5e49 LR |
748 | break; |
749 | ||
750 | default: | |
751 | return -EINVAL; | |
752 | } | |
753 | ||
51dbd0a8 SM |
754 | /* |
755 | * SOC, MAC, BB, RADIO initvals. | |
756 | */ | |
cffb5e49 LR |
757 | for (i = 0; i < ATH_INI_NUM_SPLIT; i++) { |
758 | ar9003_hw_prog_ini(ah, &ah->iniSOC[i], modesIndex); | |
759 | ar9003_hw_prog_ini(ah, &ah->iniMac[i], modesIndex); | |
760 | ar9003_hw_prog_ini(ah, &ah->iniBB[i], modesIndex); | |
761 | ar9003_hw_prog_ini(ah, &ah->iniRadio[i], modesIndex); | |
2b5e54e2 | 762 | if (i == ATH_INI_POST && AR_SREV_9462_20_OR_LATER(ah)) |
2577c6e8 SB |
763 | ar9003_hw_prog_ini(ah, |
764 | &ah->ini_radio_post_sys2ant, | |
765 | modesIndex); | |
cffb5e49 LR |
766 | } |
767 | ||
51dbd0a8 SM |
768 | /* |
769 | * RXGAIN initvals. | |
770 | */ | |
cffb5e49 | 771 | REG_WRITE_ARRAY(&ah->iniModesRxGain, 1, regWrites); |
51dbd0a8 | 772 | |
2b5e54e2 | 773 | if (AR_SREV_9462_20_OR_LATER(ah)) { |
c177fabe SM |
774 | /* |
775 | * CUS217 mix LNA mode. | |
776 | */ | |
777 | if (ar9003_hw_get_rx_gain_idx(ah) == 2) { | |
778 | REG_WRITE_ARRAY(&ah->ini_modes_rxgain_bb_core, | |
779 | 1, regWrites); | |
780 | REG_WRITE_ARRAY(&ah->ini_modes_rxgain_bb_postamble, | |
781 | modesIndex, regWrites); | |
782 | } | |
783 | ||
51dbd0a8 SM |
784 | /* |
785 | * 5G-XLNA | |
786 | */ | |
787 | if ((ar9003_hw_get_rx_gain_idx(ah) == 2) || | |
788 | (ar9003_hw_get_rx_gain_idx(ah) == 3)) { | |
789 | REG_WRITE_ARRAY(&ah->ini_modes_rxgain_5g_xlna, | |
790 | modesIndex, regWrites); | |
791 | } | |
792 | } | |
793 | ||
8bc45c6b GJ |
794 | if (AR_SREV_9550(ah)) |
795 | REG_WRITE_ARRAY(&ah->ini_modes_rx_gain_bounds, modesIndex, | |
796 | regWrites); | |
797 | ||
51dbd0a8 SM |
798 | /* |
799 | * TXGAIN initvals. | |
800 | */ | |
8bc45c6b GJ |
801 | if (AR_SREV_9550(ah)) { |
802 | int modes_txgain_index; | |
803 | ||
804 | modes_txgain_index = ar9550_hw_get_modes_txgain_index(ah, chan); | |
805 | if (modes_txgain_index < 0) | |
806 | return -EINVAL; | |
807 | ||
808 | REG_WRITE_ARRAY(&ah->iniModesTxGain, modes_txgain_index, | |
809 | regWrites); | |
810 | } else { | |
811 | REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites); | |
812 | } | |
cffb5e49 LR |
813 | |
814 | /* | |
815 | * For 5GHz channels requiring Fast Clock, apply | |
816 | * different modal values. | |
817 | */ | |
6b42e8d0 | 818 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) |
c7d36f9f | 819 | REG_WRITE_ARRAY(&ah->iniModesFastClock, |
cffb5e49 LR |
820 | modesIndex, regWrites); |
821 | ||
51dbd0a8 SM |
822 | /* |
823 | * Clock frequency initvals. | |
824 | */ | |
c7d36f9f | 825 | REG_WRITE_ARRAY(&ah->iniAdditional, 1, regWrites); |
d89baac8 | 826 | |
51dbd0a8 SM |
827 | /* |
828 | * JAPAN regulatory. | |
829 | */ | |
9951c4d0 | 830 | if (chan->channel == 2484) |
57527f8d | 831 | ar9003_hw_prog_ini(ah, &ah->iniCckfirJapan2484, 1); |
9951c4d0 | 832 | |
5f0c04ea | 833 | ah->modes_index = modesIndex; |
cffb5e49 LR |
834 | ar9003_hw_override_ini(ah); |
835 | ar9003_hw_set_channel_regs(ah, chan); | |
836 | ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask); | |
64ea57d0 | 837 | ath9k_hw_apply_txpower(ah, chan, false); |
cffb5e49 LR |
838 | |
839 | return 0; | |
8525f280 LR |
840 | } |
841 | ||
842 | static void ar9003_hw_set_rfmode(struct ath_hw *ah, | |
843 | struct ath9k_channel *chan) | |
844 | { | |
af914a9f LR |
845 | u32 rfMode = 0; |
846 | ||
847 | if (chan == NULL) | |
848 | return; | |
849 | ||
850 | rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan)) | |
851 | ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM; | |
852 | ||
6b42e8d0 | 853 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) |
af914a9f | 854 | rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE); |
08685ce3 FF |
855 | if (IS_CHAN_QUARTER_RATE(chan)) |
856 | rfMode |= AR_PHY_MODE_QUARTER; | |
857 | if (IS_CHAN_HALF_RATE(chan)) | |
858 | rfMode |= AR_PHY_MODE_HALF; | |
af914a9f | 859 | |
3e61d3f9 FF |
860 | if (rfMode & (AR_PHY_MODE_QUARTER | AR_PHY_MODE_HALF)) |
861 | REG_RMW_FIELD(ah, AR_PHY_FRAME_CTL, | |
862 | AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW, 3); | |
863 | ||
af914a9f | 864 | REG_WRITE(ah, AR_PHY_MODE, rfMode); |
8525f280 LR |
865 | } |
866 | ||
867 | static void ar9003_hw_mark_phy_inactive(struct ath_hw *ah) | |
868 | { | |
af914a9f | 869 | REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS); |
8525f280 LR |
870 | } |
871 | ||
872 | static void ar9003_hw_set_delta_slope(struct ath_hw *ah, | |
873 | struct ath9k_channel *chan) | |
874 | { | |
af914a9f LR |
875 | u32 coef_scaled, ds_coef_exp, ds_coef_man; |
876 | u32 clockMhzScaled = 0x64000000; | |
877 | struct chan_centers centers; | |
878 | ||
879 | /* | |
880 | * half and quarter rate can divide the scaled clock by 2 or 4 | |
881 | * scale for selected channel bandwidth | |
882 | */ | |
883 | if (IS_CHAN_HALF_RATE(chan)) | |
884 | clockMhzScaled = clockMhzScaled >> 1; | |
885 | else if (IS_CHAN_QUARTER_RATE(chan)) | |
886 | clockMhzScaled = clockMhzScaled >> 2; | |
887 | ||
888 | /* | |
889 | * ALGO -> coef = 1e8/fcarrier*fclock/40; | |
890 | * scaled coef to provide precision for this floating calculation | |
891 | */ | |
892 | ath9k_hw_get_channel_centers(ah, chan, ¢ers); | |
893 | coef_scaled = clockMhzScaled / centers.synth_center; | |
894 | ||
895 | ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man, | |
896 | &ds_coef_exp); | |
897 | ||
898 | REG_RMW_FIELD(ah, AR_PHY_TIMING3, | |
899 | AR_PHY_TIMING3_DSC_MAN, ds_coef_man); | |
900 | REG_RMW_FIELD(ah, AR_PHY_TIMING3, | |
901 | AR_PHY_TIMING3_DSC_EXP, ds_coef_exp); | |
902 | ||
903 | /* | |
904 | * For Short GI, | |
905 | * scaled coeff is 9/10 that of normal coeff | |
906 | */ | |
907 | coef_scaled = (9 * coef_scaled) / 10; | |
908 | ||
909 | ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man, | |
910 | &ds_coef_exp); | |
911 | ||
912 | /* for short gi */ | |
913 | REG_RMW_FIELD(ah, AR_PHY_SGI_DELTA, | |
914 | AR_PHY_SGI_DSC_MAN, ds_coef_man); | |
915 | REG_RMW_FIELD(ah, AR_PHY_SGI_DELTA, | |
916 | AR_PHY_SGI_DSC_EXP, ds_coef_exp); | |
8525f280 LR |
917 | } |
918 | ||
919 | static bool ar9003_hw_rfbus_req(struct ath_hw *ah) | |
920 | { | |
af914a9f LR |
921 | REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN); |
922 | return ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN, | |
923 | AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT); | |
8525f280 LR |
924 | } |
925 | ||
af914a9f LR |
926 | /* |
927 | * Wait for the frequency synth to settle (synth goes on via PHY_ACTIVE_EN). | |
928 | * Read the phy active delay register. Value is in 100ns increments. | |
929 | */ | |
8525f280 LR |
930 | static void ar9003_hw_rfbus_done(struct ath_hw *ah) |
931 | { | |
af914a9f | 932 | u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY; |
af914a9f | 933 | |
7c5adc8d | 934 | ath9k_hw_synth_delay(ah, ah->curchan, synthDelay); |
af914a9f LR |
935 | |
936 | REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0); | |
8525f280 LR |
937 | } |
938 | ||
c16fcb49 FF |
939 | static bool ar9003_hw_ani_control(struct ath_hw *ah, |
940 | enum ath9k_ani_cmd cmd, int param) | |
941 | { | |
af914a9f | 942 | struct ath_common *common = ath9k_hw_common(ah); |
e36b27af | 943 | struct ath9k_channel *chan = ah->curchan; |
c24bd362 | 944 | struct ar5416AniState *aniState = &ah->ani; |
ff23e084 SM |
945 | int m1ThreshLow, m2ThreshLow; |
946 | int m1Thresh, m2Thresh; | |
947 | int m2CountThr, m2CountThrLow; | |
948 | int m1ThreshLowExt, m2ThreshLowExt; | |
949 | int m1ThreshExt, m2ThreshExt; | |
e36b27af | 950 | s32 value, value2; |
af914a9f LR |
951 | |
952 | switch (cmd & ah->ani_function) { | |
af914a9f | 953 | case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{ |
e36b27af LR |
954 | /* |
955 | * on == 1 means ofdm weak signal detection is ON | |
956 | * on == 1 is the default, for less noise immunity | |
957 | * | |
958 | * on == 0 means ofdm weak signal detection is OFF | |
959 | * on == 0 means more noise imm | |
960 | */ | |
af914a9f | 961 | u32 on = param ? 1 : 0; |
af914a9f | 962 | |
ff23e084 SM |
963 | if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) |
964 | goto skip_ws_det; | |
965 | ||
966 | m1ThreshLow = on ? | |
967 | aniState->iniDef.m1ThreshLow : m1ThreshLow_off; | |
968 | m2ThreshLow = on ? | |
969 | aniState->iniDef.m2ThreshLow : m2ThreshLow_off; | |
970 | m1Thresh = on ? | |
971 | aniState->iniDef.m1Thresh : m1Thresh_off; | |
972 | m2Thresh = on ? | |
973 | aniState->iniDef.m2Thresh : m2Thresh_off; | |
974 | m2CountThr = on ? | |
975 | aniState->iniDef.m2CountThr : m2CountThr_off; | |
976 | m2CountThrLow = on ? | |
977 | aniState->iniDef.m2CountThrLow : m2CountThrLow_off; | |
978 | m1ThreshLowExt = on ? | |
979 | aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off; | |
980 | m2ThreshLowExt = on ? | |
981 | aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off; | |
982 | m1ThreshExt = on ? | |
983 | aniState->iniDef.m1ThreshExt : m1ThreshExt_off; | |
984 | m2ThreshExt = on ? | |
985 | aniState->iniDef.m2ThreshExt : m2ThreshExt_off; | |
986 | ||
987 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, | |
988 | AR_PHY_SFCORR_LOW_M1_THRESH_LOW, | |
989 | m1ThreshLow); | |
990 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, | |
991 | AR_PHY_SFCORR_LOW_M2_THRESH_LOW, | |
992 | m2ThreshLow); | |
993 | REG_RMW_FIELD(ah, AR_PHY_SFCORR, | |
994 | AR_PHY_SFCORR_M1_THRESH, | |
995 | m1Thresh); | |
996 | REG_RMW_FIELD(ah, AR_PHY_SFCORR, | |
997 | AR_PHY_SFCORR_M2_THRESH, | |
998 | m2Thresh); | |
999 | REG_RMW_FIELD(ah, AR_PHY_SFCORR, | |
1000 | AR_PHY_SFCORR_M2COUNT_THR, | |
1001 | m2CountThr); | |
1002 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, | |
1003 | AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, | |
1004 | m2CountThrLow); | |
1005 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, | |
1006 | AR_PHY_SFCORR_EXT_M1_THRESH_LOW, | |
1007 | m1ThreshLowExt); | |
1008 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, | |
1009 | AR_PHY_SFCORR_EXT_M2_THRESH_LOW, | |
1010 | m2ThreshLowExt); | |
1011 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, | |
1012 | AR_PHY_SFCORR_EXT_M1_THRESH, | |
1013 | m1ThreshExt); | |
1014 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, | |
1015 | AR_PHY_SFCORR_EXT_M2_THRESH, | |
1016 | m2ThreshExt); | |
1017 | skip_ws_det: | |
af914a9f LR |
1018 | if (on) |
1019 | REG_SET_BIT(ah, AR_PHY_SFCORR_LOW, | |
1020 | AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); | |
1021 | else | |
1022 | REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW, | |
1023 | AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); | |
1024 | ||
7067e701 | 1025 | if (on != aniState->ofdmWeakSigDetect) { |
d2182b69 | 1026 | ath_dbg(common, ANI, |
226afe68 JP |
1027 | "** ch %d: ofdm weak signal: %s=>%s\n", |
1028 | chan->channel, | |
7067e701 | 1029 | aniState->ofdmWeakSigDetect ? |
226afe68 JP |
1030 | "on" : "off", |
1031 | on ? "on" : "off"); | |
af914a9f LR |
1032 | if (on) |
1033 | ah->stats.ast_ani_ofdmon++; | |
1034 | else | |
1035 | ah->stats.ast_ani_ofdmoff++; | |
7067e701 | 1036 | aniState->ofdmWeakSigDetect = on; |
af914a9f LR |
1037 | } |
1038 | break; | |
1039 | } | |
af914a9f | 1040 | case ATH9K_ANI_FIRSTEP_LEVEL:{ |
af914a9f LR |
1041 | u32 level = param; |
1042 | ||
e36b27af | 1043 | if (level >= ARRAY_SIZE(firstep_table)) { |
d2182b69 | 1044 | ath_dbg(common, ANI, |
226afe68 JP |
1045 | "ATH9K_ANI_FIRSTEP_LEVEL: level out of range (%u > %zu)\n", |
1046 | level, ARRAY_SIZE(firstep_table)); | |
af914a9f LR |
1047 | return false; |
1048 | } | |
e36b27af LR |
1049 | |
1050 | /* | |
1051 | * make register setting relative to default | |
1052 | * from INI file & cap value | |
1053 | */ | |
1054 | value = firstep_table[level] - | |
465dce62 | 1055 | firstep_table[ATH9K_ANI_FIRSTEP_LVL] + |
e36b27af LR |
1056 | aniState->iniDef.firstep; |
1057 | if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN) | |
1058 | value = ATH9K_SIG_FIRSTEP_SETTING_MIN; | |
1059 | if (value > ATH9K_SIG_FIRSTEP_SETTING_MAX) | |
1060 | value = ATH9K_SIG_FIRSTEP_SETTING_MAX; | |
af914a9f LR |
1061 | REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, |
1062 | AR_PHY_FIND_SIG_FIRSTEP, | |
e36b27af LR |
1063 | value); |
1064 | /* | |
1065 | * we need to set first step low register too | |
1066 | * make register setting relative to default | |
1067 | * from INI file & cap value | |
1068 | */ | |
1069 | value2 = firstep_table[level] - | |
465dce62 | 1070 | firstep_table[ATH9K_ANI_FIRSTEP_LVL] + |
e36b27af LR |
1071 | aniState->iniDef.firstepLow; |
1072 | if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN) | |
1073 | value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN; | |
1074 | if (value2 > ATH9K_SIG_FIRSTEP_SETTING_MAX) | |
1075 | value2 = ATH9K_SIG_FIRSTEP_SETTING_MAX; | |
1076 | ||
1077 | REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW, | |
1078 | AR_PHY_FIND_SIG_LOW_FIRSTEP_LOW, value2); | |
1079 | ||
1080 | if (level != aniState->firstepLevel) { | |
d2182b69 | 1081 | ath_dbg(common, ANI, |
226afe68 JP |
1082 | "** ch %d: level %d=>%d[def:%d] firstep[level]=%d ini=%d\n", |
1083 | chan->channel, | |
1084 | aniState->firstepLevel, | |
1085 | level, | |
465dce62 | 1086 | ATH9K_ANI_FIRSTEP_LVL, |
226afe68 JP |
1087 | value, |
1088 | aniState->iniDef.firstep); | |
d2182b69 | 1089 | ath_dbg(common, ANI, |
226afe68 JP |
1090 | "** ch %d: level %d=>%d[def:%d] firstep_low[level]=%d ini=%d\n", |
1091 | chan->channel, | |
1092 | aniState->firstepLevel, | |
1093 | level, | |
465dce62 | 1094 | ATH9K_ANI_FIRSTEP_LVL, |
226afe68 JP |
1095 | value2, |
1096 | aniState->iniDef.firstepLow); | |
e36b27af LR |
1097 | if (level > aniState->firstepLevel) |
1098 | ah->stats.ast_ani_stepup++; | |
1099 | else if (level < aniState->firstepLevel) | |
1100 | ah->stats.ast_ani_stepdown++; | |
1101 | aniState->firstepLevel = level; | |
1102 | } | |
af914a9f LR |
1103 | break; |
1104 | } | |
1105 | case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{ | |
af914a9f LR |
1106 | u32 level = param; |
1107 | ||
e36b27af | 1108 | if (level >= ARRAY_SIZE(cycpwrThr1_table)) { |
d2182b69 | 1109 | ath_dbg(common, ANI, |
226afe68 JP |
1110 | "ATH9K_ANI_SPUR_IMMUNITY_LEVEL: level out of range (%u > %zu)\n", |
1111 | level, ARRAY_SIZE(cycpwrThr1_table)); | |
af914a9f LR |
1112 | return false; |
1113 | } | |
e36b27af LR |
1114 | /* |
1115 | * make register setting relative to default | |
1116 | * from INI file & cap value | |
1117 | */ | |
1118 | value = cycpwrThr1_table[level] - | |
465dce62 | 1119 | cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] + |
e36b27af LR |
1120 | aniState->iniDef.cycpwrThr1; |
1121 | if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN) | |
1122 | value = ATH9K_SIG_SPUR_IMM_SETTING_MIN; | |
1123 | if (value > ATH9K_SIG_SPUR_IMM_SETTING_MAX) | |
1124 | value = ATH9K_SIG_SPUR_IMM_SETTING_MAX; | |
af914a9f LR |
1125 | REG_RMW_FIELD(ah, AR_PHY_TIMING5, |
1126 | AR_PHY_TIMING5_CYCPWR_THR1, | |
e36b27af LR |
1127 | value); |
1128 | ||
1129 | /* | |
1130 | * set AR_PHY_EXT_CCA for extension channel | |
1131 | * make register setting relative to default | |
1132 | * from INI file & cap value | |
1133 | */ | |
1134 | value2 = cycpwrThr1_table[level] - | |
465dce62 | 1135 | cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] + |
e36b27af LR |
1136 | aniState->iniDef.cycpwrThr1Ext; |
1137 | if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN) | |
1138 | value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN; | |
1139 | if (value2 > ATH9K_SIG_SPUR_IMM_SETTING_MAX) | |
1140 | value2 = ATH9K_SIG_SPUR_IMM_SETTING_MAX; | |
1141 | REG_RMW_FIELD(ah, AR_PHY_EXT_CCA, | |
1142 | AR_PHY_EXT_CYCPWR_THR1, value2); | |
1143 | ||
1144 | if (level != aniState->spurImmunityLevel) { | |
d2182b69 | 1145 | ath_dbg(common, ANI, |
226afe68 JP |
1146 | "** ch %d: level %d=>%d[def:%d] cycpwrThr1[level]=%d ini=%d\n", |
1147 | chan->channel, | |
1148 | aniState->spurImmunityLevel, | |
1149 | level, | |
465dce62 | 1150 | ATH9K_ANI_SPUR_IMMUNE_LVL, |
226afe68 JP |
1151 | value, |
1152 | aniState->iniDef.cycpwrThr1); | |
d2182b69 | 1153 | ath_dbg(common, ANI, |
226afe68 JP |
1154 | "** ch %d: level %d=>%d[def:%d] cycpwrThr1Ext[level]=%d ini=%d\n", |
1155 | chan->channel, | |
1156 | aniState->spurImmunityLevel, | |
1157 | level, | |
465dce62 | 1158 | ATH9K_ANI_SPUR_IMMUNE_LVL, |
226afe68 JP |
1159 | value2, |
1160 | aniState->iniDef.cycpwrThr1Ext); | |
e36b27af LR |
1161 | if (level > aniState->spurImmunityLevel) |
1162 | ah->stats.ast_ani_spurup++; | |
1163 | else if (level < aniState->spurImmunityLevel) | |
1164 | ah->stats.ast_ani_spurdown++; | |
1165 | aniState->spurImmunityLevel = level; | |
1166 | } | |
af914a9f LR |
1167 | break; |
1168 | } | |
e36b27af LR |
1169 | case ATH9K_ANI_MRC_CCK:{ |
1170 | /* | |
1171 | * is_on == 1 means MRC CCK ON (default, less noise imm) | |
1172 | * is_on == 0 means MRC CCK is OFF (more noise imm) | |
1173 | */ | |
1174 | bool is_on = param ? 1 : 0; | |
1175 | REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL, | |
1176 | AR_PHY_MRC_CCK_ENABLE, is_on); | |
1177 | REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL, | |
1178 | AR_PHY_MRC_CCK_MUX_REG, is_on); | |
81b67fd6 | 1179 | if (is_on != aniState->mrcCCK) { |
d2182b69 | 1180 | ath_dbg(common, ANI, "** ch %d: MRC CCK: %s=>%s\n", |
226afe68 | 1181 | chan->channel, |
81b67fd6 | 1182 | aniState->mrcCCK ? "on" : "off", |
226afe68 | 1183 | is_on ? "on" : "off"); |
e36b27af LR |
1184 | if (is_on) |
1185 | ah->stats.ast_ani_ccklow++; | |
1186 | else | |
1187 | ah->stats.ast_ani_cckhigh++; | |
81b67fd6 | 1188 | aniState->mrcCCK = is_on; |
e36b27af LR |
1189 | } |
1190 | break; | |
1191 | } | |
af914a9f LR |
1192 | case ATH9K_ANI_PRESENT: |
1193 | break; | |
1194 | default: | |
d2182b69 | 1195 | ath_dbg(common, ANI, "invalid cmd %u\n", cmd); |
af914a9f LR |
1196 | return false; |
1197 | } | |
1198 | ||
d2182b69 | 1199 | ath_dbg(common, ANI, |
226afe68 JP |
1200 | "ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n", |
1201 | aniState->spurImmunityLevel, | |
7067e701 | 1202 | aniState->ofdmWeakSigDetect ? "on" : "off", |
226afe68 | 1203 | aniState->firstepLevel, |
81b67fd6 | 1204 | aniState->mrcCCK ? "on" : "off", |
226afe68 JP |
1205 | aniState->listenTime, |
1206 | aniState->ofdmPhyErrCount, | |
1207 | aniState->cckPhyErrCount); | |
af914a9f | 1208 | return true; |
c16fcb49 FF |
1209 | } |
1210 | ||
641d9921 FF |
1211 | static void ar9003_hw_do_getnf(struct ath_hw *ah, |
1212 | int16_t nfarray[NUM_NF_READINGS]) | |
1213 | { | |
b06af7a5 VT |
1214 | #define AR_PHY_CH_MINCCA_PWR 0x1FF00000 |
1215 | #define AR_PHY_CH_MINCCA_PWR_S 20 | |
1216 | #define AR_PHY_CH_EXT_MINCCA_PWR 0x01FF0000 | |
1217 | #define AR_PHY_CH_EXT_MINCCA_PWR_S 16 | |
641d9921 | 1218 | |
b06af7a5 VT |
1219 | int16_t nf; |
1220 | int i; | |
866b7780 | 1221 | |
b06af7a5 VT |
1222 | for (i = 0; i < AR9300_MAX_CHAINS; i++) { |
1223 | if (ah->rxchainmask & BIT(i)) { | |
1224 | nf = MS(REG_READ(ah, ah->nf_regs[i]), | |
1225 | AR_PHY_CH_MINCCA_PWR); | |
1226 | nfarray[i] = sign_extend32(nf, 8); | |
641d9921 | 1227 | |
b06af7a5 VT |
1228 | if (IS_CHAN_HT40(ah->curchan)) { |
1229 | u8 ext_idx = AR9300_MAX_CHAINS + i; | |
641d9921 | 1230 | |
b06af7a5 VT |
1231 | nf = MS(REG_READ(ah, ah->nf_regs[ext_idx]), |
1232 | AR_PHY_CH_EXT_MINCCA_PWR); | |
1233 | nfarray[ext_idx] = sign_extend32(nf, 8); | |
1234 | } | |
1235 | } | |
1236 | } | |
641d9921 FF |
1237 | } |
1238 | ||
f2552e28 | 1239 | static void ar9003_hw_set_nf_limits(struct ath_hw *ah) |
641d9921 | 1240 | { |
f2552e28 FF |
1241 | ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_2GHZ; |
1242 | ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9300_2GHZ; | |
ae245cde | 1243 | ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9300_2GHZ; |
f2552e28 FF |
1244 | ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_5GHZ; |
1245 | ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9300_5GHZ; | |
1246 | ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9300_5GHZ; | |
ae245cde SM |
1247 | |
1248 | if (AR_SREV_9330(ah)) | |
1249 | ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9330_2GHZ; | |
1250 | ||
a4a2954f | 1251 | if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) { |
ae245cde SM |
1252 | ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9462_2GHZ; |
1253 | ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9462_2GHZ; | |
1254 | ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9462_5GHZ; | |
1255 | ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9462_5GHZ; | |
1256 | } | |
641d9921 FF |
1257 | } |
1258 | ||
e36b27af LR |
1259 | /* |
1260 | * Initialize the ANI register values with default (ini) values. | |
1261 | * This routine is called during a (full) hardware reset after | |
1262 | * all the registers are initialised from the INI. | |
1263 | */ | |
1264 | static void ar9003_hw_ani_cache_ini_regs(struct ath_hw *ah) | |
1265 | { | |
1266 | struct ar5416AniState *aniState; | |
1267 | struct ath_common *common = ath9k_hw_common(ah); | |
1268 | struct ath9k_channel *chan = ah->curchan; | |
1269 | struct ath9k_ani_default *iniDef; | |
e36b27af LR |
1270 | u32 val; |
1271 | ||
c24bd362 | 1272 | aniState = &ah->ani; |
e36b27af LR |
1273 | iniDef = &aniState->iniDef; |
1274 | ||
d2182b69 | 1275 | ath_dbg(common, ANI, "ver %d.%d opmode %u chan %d Mhz/0x%x\n", |
226afe68 JP |
1276 | ah->hw_version.macVersion, |
1277 | ah->hw_version.macRev, | |
1278 | ah->opmode, | |
1279 | chan->channel, | |
1280 | chan->channelFlags); | |
e36b27af LR |
1281 | |
1282 | val = REG_READ(ah, AR_PHY_SFCORR); | |
1283 | iniDef->m1Thresh = MS(val, AR_PHY_SFCORR_M1_THRESH); | |
1284 | iniDef->m2Thresh = MS(val, AR_PHY_SFCORR_M2_THRESH); | |
1285 | iniDef->m2CountThr = MS(val, AR_PHY_SFCORR_M2COUNT_THR); | |
1286 | ||
1287 | val = REG_READ(ah, AR_PHY_SFCORR_LOW); | |
1288 | iniDef->m1ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M1_THRESH_LOW); | |
1289 | iniDef->m2ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M2_THRESH_LOW); | |
1290 | iniDef->m2CountThrLow = MS(val, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW); | |
1291 | ||
1292 | val = REG_READ(ah, AR_PHY_SFCORR_EXT); | |
1293 | iniDef->m1ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH); | |
1294 | iniDef->m2ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH); | |
1295 | iniDef->m1ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH_LOW); | |
1296 | iniDef->m2ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH_LOW); | |
1297 | iniDef->firstep = REG_READ_FIELD(ah, | |
1298 | AR_PHY_FIND_SIG, | |
1299 | AR_PHY_FIND_SIG_FIRSTEP); | |
1300 | iniDef->firstepLow = REG_READ_FIELD(ah, | |
1301 | AR_PHY_FIND_SIG_LOW, | |
1302 | AR_PHY_FIND_SIG_LOW_FIRSTEP_LOW); | |
1303 | iniDef->cycpwrThr1 = REG_READ_FIELD(ah, | |
1304 | AR_PHY_TIMING5, | |
1305 | AR_PHY_TIMING5_CYCPWR_THR1); | |
1306 | iniDef->cycpwrThr1Ext = REG_READ_FIELD(ah, | |
1307 | AR_PHY_EXT_CCA, | |
1308 | AR_PHY_EXT_CYCPWR_THR1); | |
1309 | ||
1310 | /* these levels just got reset to defaults by the INI */ | |
465dce62 FF |
1311 | aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL; |
1312 | aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL; | |
4f4395c6 | 1313 | aniState->ofdmWeakSigDetect = true; |
81b67fd6 | 1314 | aniState->mrcCCK = true; |
e36b27af LR |
1315 | } |
1316 | ||
4e8c14e9 FF |
1317 | static void ar9003_hw_set_radar_params(struct ath_hw *ah, |
1318 | struct ath_hw_radar_conf *conf) | |
1319 | { | |
1320 | u32 radar_0 = 0, radar_1 = 0; | |
1321 | ||
1322 | if (!conf) { | |
1323 | REG_CLR_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_ENA); | |
1324 | return; | |
1325 | } | |
1326 | ||
1327 | radar_0 |= AR_PHY_RADAR_0_ENA | AR_PHY_RADAR_0_FFT_ENA; | |
1328 | radar_0 |= SM(conf->fir_power, AR_PHY_RADAR_0_FIRPWR); | |
1329 | radar_0 |= SM(conf->radar_rssi, AR_PHY_RADAR_0_RRSSI); | |
1330 | radar_0 |= SM(conf->pulse_height, AR_PHY_RADAR_0_HEIGHT); | |
1331 | radar_0 |= SM(conf->pulse_rssi, AR_PHY_RADAR_0_PRSSI); | |
1332 | radar_0 |= SM(conf->pulse_inband, AR_PHY_RADAR_0_INBAND); | |
1333 | ||
1334 | radar_1 |= AR_PHY_RADAR_1_MAX_RRSSI; | |
1335 | radar_1 |= AR_PHY_RADAR_1_BLOCK_CHECK; | |
1336 | radar_1 |= SM(conf->pulse_maxlen, AR_PHY_RADAR_1_MAXLEN); | |
1337 | radar_1 |= SM(conf->pulse_inband_step, AR_PHY_RADAR_1_RELSTEP_THRESH); | |
1338 | radar_1 |= SM(conf->radar_inband, AR_PHY_RADAR_1_RELPWR_THRESH); | |
1339 | ||
1340 | REG_WRITE(ah, AR_PHY_RADAR_0, radar_0); | |
1341 | REG_WRITE(ah, AR_PHY_RADAR_1, radar_1); | |
1342 | if (conf->ext_channel) | |
1343 | REG_SET_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA); | |
1344 | else | |
1345 | REG_CLR_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA); | |
1346 | } | |
1347 | ||
c5d0855a FF |
1348 | static void ar9003_hw_set_radar_conf(struct ath_hw *ah) |
1349 | { | |
1350 | struct ath_hw_radar_conf *conf = &ah->radar_conf; | |
1351 | ||
1352 | conf->fir_power = -28; | |
1353 | conf->radar_rssi = 0; | |
1354 | conf->pulse_height = 10; | |
1355 | conf->pulse_rssi = 24; | |
1356 | conf->pulse_inband = 8; | |
1357 | conf->pulse_maxlen = 255; | |
1358 | conf->pulse_inband_step = 12; | |
1359 | conf->radar_inband = 8; | |
1360 | } | |
1361 | ||
6bcbc062 | 1362 | static void ar9003_hw_antdiv_comb_conf_get(struct ath_hw *ah, |
9aa49ea3 | 1363 | struct ath_hw_antcomb_conf *antconf) |
6bcbc062 MSS |
1364 | { |
1365 | u32 regval; | |
1366 | ||
1367 | regval = REG_READ(ah, AR_PHY_MC_GAIN_CTRL); | |
9aa49ea3 SM |
1368 | antconf->main_lna_conf = (regval & AR_PHY_ANT_DIV_MAIN_LNACONF) >> |
1369 | AR_PHY_ANT_DIV_MAIN_LNACONF_S; | |
1370 | antconf->alt_lna_conf = (regval & AR_PHY_ANT_DIV_ALT_LNACONF) >> | |
1371 | AR_PHY_ANT_DIV_ALT_LNACONF_S; | |
1372 | antconf->fast_div_bias = (regval & AR_PHY_ANT_FAST_DIV_BIAS) >> | |
1373 | AR_PHY_ANT_FAST_DIV_BIAS_S; | |
cd0ed1b5 | 1374 | |
c4cf2c58 GJ |
1375 | if (AR_SREV_9330_11(ah)) { |
1376 | antconf->lna1_lna2_delta = -9; | |
1377 | antconf->div_group = 1; | |
1378 | } else if (AR_SREV_9485(ah)) { | |
cd0ed1b5 GJ |
1379 | antconf->lna1_lna2_delta = -9; |
1380 | antconf->div_group = 2; | |
5317c9c3 SM |
1381 | } else if (AR_SREV_9565(ah)) { |
1382 | antconf->lna1_lna2_delta = -3; | |
1383 | antconf->div_group = 3; | |
cd0ed1b5 GJ |
1384 | } else { |
1385 | antconf->lna1_lna2_delta = -3; | |
1386 | antconf->div_group = 0; | |
1387 | } | |
6bcbc062 MSS |
1388 | } |
1389 | ||
1390 | static void ar9003_hw_antdiv_comb_conf_set(struct ath_hw *ah, | |
1391 | struct ath_hw_antcomb_conf *antconf) | |
1392 | { | |
1393 | u32 regval; | |
1394 | ||
1395 | regval = REG_READ(ah, AR_PHY_MC_GAIN_CTRL); | |
9aa49ea3 SM |
1396 | regval &= ~(AR_PHY_ANT_DIV_MAIN_LNACONF | |
1397 | AR_PHY_ANT_DIV_ALT_LNACONF | | |
1398 | AR_PHY_ANT_FAST_DIV_BIAS | | |
1399 | AR_PHY_ANT_DIV_MAIN_GAINTB | | |
1400 | AR_PHY_ANT_DIV_ALT_GAINTB); | |
1401 | regval |= ((antconf->main_lna_conf << AR_PHY_ANT_DIV_MAIN_LNACONF_S) | |
1402 | & AR_PHY_ANT_DIV_MAIN_LNACONF); | |
1403 | regval |= ((antconf->alt_lna_conf << AR_PHY_ANT_DIV_ALT_LNACONF_S) | |
1404 | & AR_PHY_ANT_DIV_ALT_LNACONF); | |
1405 | regval |= ((antconf->fast_div_bias << AR_PHY_ANT_FAST_DIV_BIAS_S) | |
1406 | & AR_PHY_ANT_FAST_DIV_BIAS); | |
1407 | regval |= ((antconf->main_gaintb << AR_PHY_ANT_DIV_MAIN_GAINTB_S) | |
1408 | & AR_PHY_ANT_DIV_MAIN_GAINTB); | |
1409 | regval |= ((antconf->alt_gaintb << AR_PHY_ANT_DIV_ALT_GAINTB_S) | |
1410 | & AR_PHY_ANT_DIV_ALT_GAINTB); | |
6bcbc062 MSS |
1411 | |
1412 | REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, regval); | |
1413 | } | |
1414 | ||
362cd03f SM |
1415 | static void ar9003_hw_antctrl_shared_chain_lnadiv(struct ath_hw *ah, |
1416 | bool enable) | |
1417 | { | |
1418 | u8 ant_div_ctl1; | |
1419 | u32 regval; | |
1420 | ||
1421 | if (!AR_SREV_9565(ah)) | |
1422 | return; | |
1423 | ||
1424 | ah->shared_chain_lnadiv = enable; | |
1425 | ant_div_ctl1 = ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1); | |
1426 | ||
1427 | regval = REG_READ(ah, AR_PHY_MC_GAIN_CTRL); | |
1428 | regval &= (~AR_ANT_DIV_CTRL_ALL); | |
1429 | regval |= (ant_div_ctl1 & 0x3f) << AR_ANT_DIV_CTRL_ALL_S; | |
1430 | regval &= ~AR_PHY_ANT_DIV_LNADIV; | |
1431 | regval |= ((ant_div_ctl1 >> 6) & 0x1) << AR_PHY_ANT_DIV_LNADIV_S; | |
1432 | ||
1433 | if (enable) | |
1434 | regval |= AR_ANT_DIV_ENABLE; | |
1435 | ||
1436 | REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, regval); | |
1437 | ||
1438 | regval = REG_READ(ah, AR_PHY_CCK_DETECT); | |
1439 | regval &= ~AR_FAST_DIV_ENABLE; | |
1440 | regval |= ((ant_div_ctl1 >> 7) & 0x1) << AR_FAST_DIV_ENABLE_S; | |
1441 | ||
1442 | if (enable) | |
1443 | regval |= AR_FAST_DIV_ENABLE; | |
1444 | ||
1445 | REG_WRITE(ah, AR_PHY_CCK_DETECT, regval); | |
1446 | ||
1447 | if (enable) { | |
1448 | REG_SET_BIT(ah, AR_PHY_MC_GAIN_CTRL, | |
1449 | (1 << AR_PHY_ANT_SW_RX_PROT_S)); | |
302a3c3a | 1450 | if (ah->curchan && IS_CHAN_2GHZ(ah->curchan)) |
362cd03f SM |
1451 | REG_SET_BIT(ah, AR_PHY_RESTART, |
1452 | AR_PHY_RESTART_ENABLE_DIV_M2FLAG); | |
1453 | REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV, | |
1454 | AR_BTCOEX_WL_LNADIV_FORCE_ON); | |
1455 | } else { | |
1456 | REG_CLR_BIT(ah, AR_PHY_MC_GAIN_CTRL, AR_ANT_DIV_ENABLE); | |
1457 | REG_CLR_BIT(ah, AR_PHY_MC_GAIN_CTRL, | |
1458 | (1 << AR_PHY_ANT_SW_RX_PROT_S)); | |
1459 | REG_CLR_BIT(ah, AR_PHY_CCK_DETECT, AR_FAST_DIV_ENABLE); | |
1460 | REG_CLR_BIT(ah, AR_BTCOEX_WL_LNADIV, | |
1461 | AR_BTCOEX_WL_LNADIV_FORCE_ON); | |
1462 | ||
1463 | regval = REG_READ(ah, AR_PHY_MC_GAIN_CTRL); | |
1464 | regval &= ~(AR_PHY_ANT_DIV_MAIN_LNACONF | | |
1465 | AR_PHY_ANT_DIV_ALT_LNACONF | | |
1466 | AR_PHY_ANT_DIV_MAIN_GAINTB | | |
1467 | AR_PHY_ANT_DIV_ALT_GAINTB); | |
c2b8359d SM |
1468 | regval |= (ATH_ANT_DIV_COMB_LNA1 << AR_PHY_ANT_DIV_MAIN_LNACONF_S); |
1469 | regval |= (ATH_ANT_DIV_COMB_LNA2 << AR_PHY_ANT_DIV_ALT_LNACONF_S); | |
362cd03f SM |
1470 | REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, regval); |
1471 | } | |
1472 | } | |
1473 | ||
5f0c04ea RM |
1474 | static int ar9003_hw_fast_chan_change(struct ath_hw *ah, |
1475 | struct ath9k_channel *chan, | |
1476 | u8 *ini_reloaded) | |
1477 | { | |
1478 | unsigned int regWrites = 0; | |
1479 | u32 modesIndex; | |
1480 | ||
1481 | switch (chan->chanmode) { | |
1482 | case CHANNEL_A: | |
1483 | case CHANNEL_A_HT20: | |
1484 | modesIndex = 1; | |
1485 | break; | |
1486 | case CHANNEL_A_HT40PLUS: | |
1487 | case CHANNEL_A_HT40MINUS: | |
1488 | modesIndex = 2; | |
1489 | break; | |
1490 | case CHANNEL_G: | |
1491 | case CHANNEL_G_HT20: | |
1492 | case CHANNEL_B: | |
1493 | modesIndex = 4; | |
1494 | break; | |
1495 | case CHANNEL_G_HT40PLUS: | |
1496 | case CHANNEL_G_HT40MINUS: | |
1497 | modesIndex = 3; | |
1498 | break; | |
1499 | ||
1500 | default: | |
1501 | return -EINVAL; | |
1502 | } | |
1503 | ||
1504 | if (modesIndex == ah->modes_index) { | |
1505 | *ini_reloaded = false; | |
1506 | goto set_rfmode; | |
1507 | } | |
1508 | ||
1509 | ar9003_hw_prog_ini(ah, &ah->iniSOC[ATH_INI_POST], modesIndex); | |
1510 | ar9003_hw_prog_ini(ah, &ah->iniMac[ATH_INI_POST], modesIndex); | |
1511 | ar9003_hw_prog_ini(ah, &ah->iniBB[ATH_INI_POST], modesIndex); | |
1512 | ar9003_hw_prog_ini(ah, &ah->iniRadio[ATH_INI_POST], modesIndex); | |
aaa53ee9 | 1513 | |
2b5e54e2 | 1514 | if (AR_SREV_9462_20_OR_LATER(ah)) |
aaa53ee9 SM |
1515 | ar9003_hw_prog_ini(ah, &ah->ini_radio_post_sys2ant, |
1516 | modesIndex); | |
5f0c04ea RM |
1517 | |
1518 | REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites); | |
1519 | ||
07a9bd20 SM |
1520 | if (AR_SREV_9462_20_OR_LATER(ah)) { |
1521 | /* | |
1522 | * CUS217 mix LNA mode. | |
1523 | */ | |
1524 | if (ar9003_hw_get_rx_gain_idx(ah) == 2) { | |
1525 | REG_WRITE_ARRAY(&ah->ini_modes_rxgain_bb_core, | |
1526 | 1, regWrites); | |
1527 | REG_WRITE_ARRAY(&ah->ini_modes_rxgain_bb_postamble, | |
1528 | modesIndex, regWrites); | |
1529 | } | |
1530 | } | |
1531 | ||
5f0c04ea RM |
1532 | /* |
1533 | * For 5GHz channels requiring Fast Clock, apply | |
1534 | * different modal values. | |
1535 | */ | |
1536 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) | |
c7d36f9f | 1537 | REG_WRITE_ARRAY(&ah->iniModesFastClock, modesIndex, regWrites); |
5f0c04ea | 1538 | |
aaa53ee9 SM |
1539 | if (AR_SREV_9565(ah)) |
1540 | REG_WRITE_ARRAY(&ah->iniModesFastClock, 1, regWrites); | |
1541 | ||
07a9bd20 SM |
1542 | /* |
1543 | * JAPAN regulatory. | |
1544 | */ | |
1545 | if (chan->channel == 2484) | |
1546 | ar9003_hw_prog_ini(ah, &ah->iniCckfirJapan2484, 1); | |
5f0c04ea RM |
1547 | |
1548 | ah->modes_index = modesIndex; | |
1549 | *ini_reloaded = true; | |
1550 | ||
1551 | set_rfmode: | |
1552 | ar9003_hw_set_rfmode(ah, chan); | |
1553 | return 0; | |
1554 | } | |
1555 | ||
e93d083f SW |
1556 | static void ar9003_hw_spectral_scan_config(struct ath_hw *ah, |
1557 | struct ath_spec_scan *param) | |
1558 | { | |
1559 | u8 count; | |
1560 | ||
1561 | if (!param->enabled) { | |
1562 | REG_CLR_BIT(ah, AR_PHY_SPECTRAL_SCAN, | |
1563 | AR_PHY_SPECTRAL_SCAN_ENABLE); | |
1564 | return; | |
1565 | } | |
1566 | ||
1567 | REG_SET_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_FFT_ENA); | |
1568 | REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, AR_PHY_SPECTRAL_SCAN_ENABLE); | |
1569 | ||
1570 | /* on AR93xx and newer, count = 0 will make the the chip send | |
1571 | * spectral samples endlessly. Check if this really was intended, | |
1572 | * and fix otherwise. | |
1573 | */ | |
1574 | count = param->count; | |
1575 | if (param->endless) | |
1576 | count = 0; | |
1577 | else if (param->count == 0) | |
1578 | count = 1; | |
1579 | ||
1580 | if (param->short_repeat) | |
1581 | REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, | |
1582 | AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT); | |
1583 | else | |
1584 | REG_CLR_BIT(ah, AR_PHY_SPECTRAL_SCAN, | |
1585 | AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT); | |
1586 | ||
1587 | REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN, | |
1588 | AR_PHY_SPECTRAL_SCAN_COUNT, count); | |
1589 | REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN, | |
1590 | AR_PHY_SPECTRAL_SCAN_PERIOD, param->period); | |
1591 | REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN, | |
1592 | AR_PHY_SPECTRAL_SCAN_FFT_PERIOD, param->fft_period); | |
1593 | ||
1594 | return; | |
1595 | } | |
1596 | ||
1597 | static void ar9003_hw_spectral_scan_trigger(struct ath_hw *ah) | |
1598 | { | |
1599 | /* Activate spectral scan */ | |
1600 | REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, | |
1601 | AR_PHY_SPECTRAL_SCAN_ACTIVE); | |
1602 | } | |
1603 | ||
1604 | static void ar9003_hw_spectral_scan_wait(struct ath_hw *ah) | |
1605 | { | |
1606 | struct ath_common *common = ath9k_hw_common(ah); | |
1607 | ||
1608 | /* Poll for spectral scan complete */ | |
1609 | if (!ath9k_hw_wait(ah, AR_PHY_SPECTRAL_SCAN, | |
1610 | AR_PHY_SPECTRAL_SCAN_ACTIVE, | |
1611 | 0, AH_WAIT_TIMEOUT)) { | |
1612 | ath_err(common, "spectral scan wait failed\n"); | |
1613 | return; | |
1614 | } | |
1615 | } | |
1616 | ||
8525f280 LR |
1617 | void ar9003_hw_attach_phy_ops(struct ath_hw *ah) |
1618 | { | |
1619 | struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah); | |
6bcbc062 | 1620 | struct ath_hw_ops *ops = ath9k_hw_ops(ah); |
07b2fa5a | 1621 | static const u32 ar9300_cca_regs[6] = { |
bbacee13 FF |
1622 | AR_PHY_CCA_0, |
1623 | AR_PHY_CCA_1, | |
1624 | AR_PHY_CCA_2, | |
1625 | AR_PHY_EXT_CCA, | |
1626 | AR_PHY_EXT_CCA_1, | |
1627 | AR_PHY_EXT_CCA_2, | |
1628 | }; | |
8525f280 LR |
1629 | |
1630 | priv_ops->rf_set_freq = ar9003_hw_set_channel; | |
1631 | priv_ops->spur_mitigate_freq = ar9003_hw_spur_mitigate; | |
1632 | priv_ops->compute_pll_control = ar9003_hw_compute_pll_control; | |
1633 | priv_ops->set_channel_regs = ar9003_hw_set_channel_regs; | |
1634 | priv_ops->init_bb = ar9003_hw_init_bb; | |
1635 | priv_ops->process_ini = ar9003_hw_process_ini; | |
1636 | priv_ops->set_rfmode = ar9003_hw_set_rfmode; | |
1637 | priv_ops->mark_phy_inactive = ar9003_hw_mark_phy_inactive; | |
1638 | priv_ops->set_delta_slope = ar9003_hw_set_delta_slope; | |
1639 | priv_ops->rfbus_req = ar9003_hw_rfbus_req; | |
1640 | priv_ops->rfbus_done = ar9003_hw_rfbus_done; | |
c16fcb49 | 1641 | priv_ops->ani_control = ar9003_hw_ani_control; |
641d9921 | 1642 | priv_ops->do_getnf = ar9003_hw_do_getnf; |
e36b27af | 1643 | priv_ops->ani_cache_ini_regs = ar9003_hw_ani_cache_ini_regs; |
4e8c14e9 | 1644 | priv_ops->set_radar_params = ar9003_hw_set_radar_params; |
5f0c04ea | 1645 | priv_ops->fast_chan_change = ar9003_hw_fast_chan_change; |
f2552e28 | 1646 | |
6bcbc062 MSS |
1647 | ops->antdiv_comb_conf_get = ar9003_hw_antdiv_comb_conf_get; |
1648 | ops->antdiv_comb_conf_set = ar9003_hw_antdiv_comb_conf_set; | |
362cd03f | 1649 | ops->antctrl_shared_chain_lnadiv = ar9003_hw_antctrl_shared_chain_lnadiv; |
e93d083f SW |
1650 | ops->spectral_scan_config = ar9003_hw_spectral_scan_config; |
1651 | ops->spectral_scan_trigger = ar9003_hw_spectral_scan_trigger; | |
1652 | ops->spectral_scan_wait = ar9003_hw_spectral_scan_wait; | |
6bcbc062 | 1653 | |
f2552e28 | 1654 | ar9003_hw_set_nf_limits(ah); |
c5d0855a | 1655 | ar9003_hw_set_radar_conf(ah); |
bbacee13 | 1656 | memcpy(ah->nf_regs, ar9300_cca_regs, sizeof(ah->nf_regs)); |
8525f280 | 1657 | } |
aea702b7 LR |
1658 | |
1659 | void ar9003_hw_bb_watchdog_config(struct ath_hw *ah) | |
1660 | { | |
1661 | struct ath_common *common = ath9k_hw_common(ah); | |
1662 | u32 idle_tmo_ms = ah->bb_watchdog_timeout_ms; | |
1663 | u32 val, idle_count; | |
1664 | ||
1665 | if (!idle_tmo_ms) { | |
1666 | /* disable IRQ, disable chip-reset for BB panic */ | |
1667 | REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_2, | |
1668 | REG_READ(ah, AR_PHY_WATCHDOG_CTL_2) & | |
1669 | ~(AR_PHY_WATCHDOG_RST_ENABLE | | |
1670 | AR_PHY_WATCHDOG_IRQ_ENABLE)); | |
1671 | ||
1672 | /* disable watchdog in non-IDLE mode, disable in IDLE mode */ | |
1673 | REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_1, | |
1674 | REG_READ(ah, AR_PHY_WATCHDOG_CTL_1) & | |
1675 | ~(AR_PHY_WATCHDOG_NON_IDLE_ENABLE | | |
1676 | AR_PHY_WATCHDOG_IDLE_ENABLE)); | |
1677 | ||
d2182b69 | 1678 | ath_dbg(common, RESET, "Disabled BB Watchdog\n"); |
aea702b7 LR |
1679 | return; |
1680 | } | |
1681 | ||
1682 | /* enable IRQ, disable chip-reset for BB watchdog */ | |
1683 | val = REG_READ(ah, AR_PHY_WATCHDOG_CTL_2) & AR_PHY_WATCHDOG_CNTL2_MASK; | |
1684 | REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_2, | |
1685 | (val | AR_PHY_WATCHDOG_IRQ_ENABLE) & | |
1686 | ~AR_PHY_WATCHDOG_RST_ENABLE); | |
1687 | ||
1688 | /* bound limit to 10 secs */ | |
1689 | if (idle_tmo_ms > 10000) | |
1690 | idle_tmo_ms = 10000; | |
1691 | ||
1692 | /* | |
1693 | * The time unit for watchdog event is 2^15 44/88MHz cycles. | |
1694 | * | |
1695 | * For HT20 we have a time unit of 2^15/44 MHz = .74 ms per tick | |
1696 | * For HT40 we have a time unit of 2^15/88 MHz = .37 ms per tick | |
1697 | * | |
1698 | * Given we use fast clock now in 5 GHz, these time units should | |
1699 | * be common for both 2 GHz and 5 GHz. | |
1700 | */ | |
1701 | idle_count = (100 * idle_tmo_ms) / 74; | |
1702 | if (ah->curchan && IS_CHAN_HT40(ah->curchan)) | |
1703 | idle_count = (100 * idle_tmo_ms) / 37; | |
1704 | ||
1705 | /* | |
1706 | * enable watchdog in non-IDLE mode, disable in IDLE mode, | |
1707 | * set idle time-out. | |
1708 | */ | |
1709 | REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_1, | |
1710 | AR_PHY_WATCHDOG_NON_IDLE_ENABLE | | |
1711 | AR_PHY_WATCHDOG_IDLE_MASK | | |
1712 | (AR_PHY_WATCHDOG_NON_IDLE_MASK & (idle_count << 2))); | |
1713 | ||
d2182b69 | 1714 | ath_dbg(common, RESET, "Enabled BB Watchdog timeout (%u ms)\n", |
226afe68 | 1715 | idle_tmo_ms); |
aea702b7 LR |
1716 | } |
1717 | ||
1718 | void ar9003_hw_bb_watchdog_read(struct ath_hw *ah) | |
1719 | { | |
1720 | /* | |
1721 | * we want to avoid printing in ISR context so we save the | |
1722 | * watchdog status to be printed later in bottom half context. | |
1723 | */ | |
1724 | ah->bb_watchdog_last_status = REG_READ(ah, AR_PHY_WATCHDOG_STATUS); | |
1725 | ||
1726 | /* | |
1727 | * the watchdog timer should reset on status read but to be sure | |
1728 | * sure we write 0 to the watchdog status bit. | |
1729 | */ | |
1730 | REG_WRITE(ah, AR_PHY_WATCHDOG_STATUS, | |
1731 | ah->bb_watchdog_last_status & ~AR_PHY_WATCHDOG_STATUS_CLR); | |
1732 | } | |
1733 | ||
1734 | void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah) | |
1735 | { | |
1736 | struct ath_common *common = ath9k_hw_common(ah); | |
9dbebc7f | 1737 | u32 status; |
aea702b7 LR |
1738 | |
1739 | if (likely(!(common->debug_mask & ATH_DBG_RESET))) | |
1740 | return; | |
1741 | ||
1742 | status = ah->bb_watchdog_last_status; | |
d2182b69 | 1743 | ath_dbg(common, RESET, |
226afe68 | 1744 | "\n==== BB update: BB status=0x%08x ====\n", status); |
d2182b69 | 1745 | ath_dbg(common, RESET, |
226afe68 JP |
1746 | "** BB state: wd=%u det=%u rdar=%u rOFDM=%d rCCK=%u tOFDM=%u tCCK=%u agc=%u src=%u **\n", |
1747 | MS(status, AR_PHY_WATCHDOG_INFO), | |
1748 | MS(status, AR_PHY_WATCHDOG_DET_HANG), | |
1749 | MS(status, AR_PHY_WATCHDOG_RADAR_SM), | |
1750 | MS(status, AR_PHY_WATCHDOG_RX_OFDM_SM), | |
1751 | MS(status, AR_PHY_WATCHDOG_RX_CCK_SM), | |
1752 | MS(status, AR_PHY_WATCHDOG_TX_OFDM_SM), | |
1753 | MS(status, AR_PHY_WATCHDOG_TX_CCK_SM), | |
1754 | MS(status, AR_PHY_WATCHDOG_AGC_SM), | |
1755 | MS(status, AR_PHY_WATCHDOG_SRCH_SM)); | |
1756 | ||
d2182b69 | 1757 | ath_dbg(common, RESET, "** BB WD cntl: cntl1=0x%08x cntl2=0x%08x **\n", |
226afe68 JP |
1758 | REG_READ(ah, AR_PHY_WATCHDOG_CTL_1), |
1759 | REG_READ(ah, AR_PHY_WATCHDOG_CTL_2)); | |
d2182b69 | 1760 | ath_dbg(common, RESET, "** BB mode: BB_gen_controls=0x%08x **\n", |
226afe68 | 1761 | REG_READ(ah, AR_PHY_GEN_CTRL)); |
aea702b7 | 1762 | |
b5bfc568 FF |
1763 | #define PCT(_field) (common->cc_survey._field * 100 / common->cc_survey.cycles) |
1764 | if (common->cc_survey.cycles) | |
d2182b69 | 1765 | ath_dbg(common, RESET, |
226afe68 JP |
1766 | "** BB busy times: rx_clear=%d%%, rx_frame=%d%%, tx_frame=%d%% **\n", |
1767 | PCT(rx_busy), PCT(rx_frame), PCT(tx_frame)); | |
aea702b7 | 1768 | |
d2182b69 | 1769 | ath_dbg(common, RESET, "==== BB update: done ====\n\n"); |
aea702b7 LR |
1770 | } |
1771 | EXPORT_SYMBOL(ar9003_hw_bb_watchdog_dbg_info); | |
51ac8cbb RM |
1772 | |
1773 | void ar9003_hw_disable_phy_restart(struct ath_hw *ah) | |
1774 | { | |
1775 | u32 val; | |
1776 | ||
1777 | /* While receiving unsupported rate frame rx state machine | |
1778 | * gets into a state 0xb and if phy_restart happens in that | |
1779 | * state, BB would go hang. If RXSM is in 0xb state after | |
1780 | * first bb panic, ensure to disable the phy_restart. | |
1781 | */ | |
1782 | if (!((MS(ah->bb_watchdog_last_status, | |
1783 | AR_PHY_WATCHDOG_RX_OFDM_SM) == 0xb) || | |
1784 | ah->bb_hang_rx_ofdm)) | |
1785 | return; | |
1786 | ||
1787 | ah->bb_hang_rx_ofdm = true; | |
1788 | val = REG_READ(ah, AR_PHY_RESTART); | |
1789 | val &= ~AR_PHY_RESTART_ENA; | |
1790 | ||
1791 | REG_WRITE(ah, AR_PHY_RESTART, val); | |
1792 | } | |
1793 | EXPORT_SYMBOL(ar9003_hw_disable_phy_restart); |