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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 FF |
70 | u16 bMode, fracMode = 0, aModeRefSel = 0; |
71 | u32 freq, channelSel = 0, reg32 = 0; | |
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 GJ |
79 | if (AR_SREV_9330(ah)) { |
80 | u32 chan_frac; | |
81 | u32 div; | |
82 | ||
83 | if (ah->is_clk_25mhz) | |
84 | div = 75; | |
85 | else | |
86 | div = 120; | |
87 | ||
88 | channelSel = (freq * 4) / div; | |
89 | chan_frac = (((freq * 4) % div) * 0x20000) / div; | |
90 | channelSel = (channelSel << 17) | chan_frac; | |
91 | } else if (AR_SREV_9485(ah)) { | |
3dfd7f60 VT |
92 | u32 chan_frac; |
93 | ||
94 | /* | |
95 | * freq_ref = 40 / (refdiva >> amoderefsel); where refdiva=1 and amoderefsel=0 | |
96 | * ndiv = ((chan_mhz * 4) / 3) / freq_ref; | |
97 | * chansel = int(ndiv), chanfrac = (ndiv - chansel) * 0x20000 | |
98 | */ | |
99 | channelSel = (freq * 4) / 120; | |
100 | chan_frac = (((freq * 4) % 120) * 0x20000) / 120; | |
101 | channelSel = (channelSel << 17) | chan_frac; | |
db4a3de9 | 102 | } else if (AR_SREV_9340(ah) || AR_SREV_9550(ah)) { |
17869f4f VT |
103 | if (ah->is_clk_25mhz) { |
104 | u32 chan_frac; | |
105 | ||
106 | channelSel = (freq * 2) / 75; | |
107 | chan_frac = (((freq * 2) % 75) * 0x20000) / 75; | |
108 | channelSel = (channelSel << 17) | chan_frac; | |
109 | } else | |
110 | channelSel = CHANSEL_2G(freq) >> 1; | |
3dfd7f60 | 111 | } else |
85dd0921 | 112 | channelSel = CHANSEL_2G(freq); |
f7abf0c1 FF |
113 | /* Set to 2G mode */ |
114 | bMode = 1; | |
115 | } else { | |
db4a3de9 GJ |
116 | if ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) && |
117 | ah->is_clk_25mhz) { | |
17869f4f VT |
118 | u32 chan_frac; |
119 | ||
530275e5 FF |
120 | channelSel = freq / 75; |
121 | chan_frac = ((freq % 75) * 0x20000) / 75; | |
17869f4f VT |
122 | channelSel = (channelSel << 17) | chan_frac; |
123 | } else { | |
124 | channelSel = CHANSEL_5G(freq); | |
125 | /* Doubler is ON, so, divide channelSel by 2. */ | |
126 | channelSel >>= 1; | |
127 | } | |
f7abf0c1 FF |
128 | /* Set to 5G mode */ |
129 | bMode = 0; | |
130 | } | |
131 | ||
132 | /* Enable fractional mode for all channels */ | |
133 | fracMode = 1; | |
134 | aModeRefSel = 0; | |
135 | loadSynthChannel = 0; | |
136 | ||
137 | reg32 = (bMode << 29); | |
138 | REG_WRITE(ah, AR_PHY_SYNTH_CONTROL, reg32); | |
139 | ||
140 | /* Enable Long shift Select for Synthesizer */ | |
141 | REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_SYNTH4, | |
142 | AR_PHY_SYNTH4_LONG_SHIFT_SELECT, 1); | |
143 | ||
144 | /* Program Synth. setting */ | |
145 | reg32 = (channelSel << 2) | (fracMode << 30) | | |
146 | (aModeRefSel << 28) | (loadSynthChannel << 31); | |
147 | REG_WRITE(ah, AR_PHY_65NM_CH0_SYNTH7, reg32); | |
148 | ||
149 | /* Toggle Load Synth channel bit */ | |
150 | loadSynthChannel = 1; | |
151 | reg32 = (channelSel << 2) | (fracMode << 30) | | |
152 | (aModeRefSel << 28) | (loadSynthChannel << 31); | |
153 | REG_WRITE(ah, AR_PHY_65NM_CH0_SYNTH7, reg32); | |
154 | ||
155 | ah->curchan = chan; | |
f7abf0c1 | 156 | |
8525f280 LR |
157 | return 0; |
158 | } | |
159 | ||
160 | /** | |
e36b27af | 161 | * ar9003_hw_spur_mitigate_mrc_cck - convert baseband spur frequency |
8525f280 LR |
162 | * @ah: atheros hardware structure |
163 | * @chan: | |
164 | * | |
165 | * For single-chip solutions. Converts to baseband spur frequency given the | |
166 | * input channel frequency and compute register settings below. | |
167 | * | |
168 | * Spur mitigation for MRC CCK | |
169 | */ | |
1547da37 LR |
170 | static void ar9003_hw_spur_mitigate_mrc_cck(struct ath_hw *ah, |
171 | struct ath9k_channel *chan) | |
8525f280 | 172 | { |
07b2fa5a | 173 | static const u32 spur_freq[4] = { 2420, 2440, 2464, 2480 }; |
ca375554 FF |
174 | int cur_bb_spur, negative = 0, cck_spur_freq; |
175 | int i; | |
d9a2545a | 176 | int range, max_spur_cnts, synth_freq; |
4b5237cc | 177 | u8 *spur_fbin_ptr = ar9003_get_spur_chan_ptr(ah, IS_CHAN_2GHZ(chan)); |
ca375554 FF |
178 | |
179 | /* | |
180 | * Need to verify range +/- 10 MHz in control channel, otherwise spur | |
181 | * is out-of-band and can be ignored. | |
182 | */ | |
183 | ||
8528f12e GJ |
184 | if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah) || |
185 | AR_SREV_9550(ah)) { | |
d9a2545a VT |
186 | if (spur_fbin_ptr[0] == 0) /* No spur */ |
187 | return; | |
188 | max_spur_cnts = 5; | |
189 | if (IS_CHAN_HT40(chan)) { | |
190 | range = 19; | |
191 | if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL, | |
192 | AR_PHY_GC_DYN2040_PRI_CH) == 0) | |
193 | synth_freq = chan->channel + 10; | |
194 | else | |
195 | synth_freq = chan->channel - 10; | |
196 | } else { | |
197 | range = 10; | |
198 | synth_freq = chan->channel; | |
199 | } | |
200 | } else { | |
38df2f07 | 201 | range = AR_SREV_9462(ah) ? 5 : 10; |
d9a2545a VT |
202 | max_spur_cnts = 4; |
203 | synth_freq = chan->channel; | |
204 | } | |
205 | ||
206 | for (i = 0; i < max_spur_cnts; i++) { | |
38df2f07 RM |
207 | if (AR_SREV_9462(ah) && (i == 0 || i == 3)) |
208 | continue; | |
ca375554 | 209 | negative = 0; |
8528f12e GJ |
210 | if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah) || |
211 | AR_SREV_9550(ah)) | |
8edb254c GJ |
212 | cur_bb_spur = ath9k_hw_fbin2freq(spur_fbin_ptr[i], |
213 | IS_CHAN_2GHZ(chan)); | |
d9a2545a | 214 | else |
8edb254c | 215 | cur_bb_spur = spur_freq[i]; |
ca375554 | 216 | |
8edb254c | 217 | cur_bb_spur -= synth_freq; |
ca375554 FF |
218 | if (cur_bb_spur < 0) { |
219 | negative = 1; | |
220 | cur_bb_spur = -cur_bb_spur; | |
221 | } | |
d9a2545a | 222 | if (cur_bb_spur < range) { |
ca375554 FF |
223 | cck_spur_freq = (int)((cur_bb_spur << 19) / 11); |
224 | ||
225 | if (negative == 1) | |
226 | cck_spur_freq = -cck_spur_freq; | |
227 | ||
228 | cck_spur_freq = cck_spur_freq & 0xfffff; | |
229 | ||
230 | REG_RMW_FIELD(ah, AR_PHY_AGC_CONTROL, | |
231 | AR_PHY_AGC_CONTROL_YCOK_MAX, 0x7); | |
232 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
233 | AR_PHY_CCK_SPUR_MIT_SPUR_RSSI_THR, 0x7f); | |
234 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
235 | AR_PHY_CCK_SPUR_MIT_SPUR_FILTER_TYPE, | |
236 | 0x2); | |
237 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
238 | AR_PHY_CCK_SPUR_MIT_USE_CCK_SPUR_MIT, | |
239 | 0x1); | |
240 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
241 | AR_PHY_CCK_SPUR_MIT_CCK_SPUR_FREQ, | |
242 | cck_spur_freq); | |
243 | ||
244 | return; | |
245 | } | |
246 | } | |
247 | ||
248 | REG_RMW_FIELD(ah, AR_PHY_AGC_CONTROL, | |
249 | AR_PHY_AGC_CONTROL_YCOK_MAX, 0x5); | |
250 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
251 | AR_PHY_CCK_SPUR_MIT_USE_CCK_SPUR_MIT, 0x0); | |
252 | REG_RMW_FIELD(ah, AR_PHY_CCK_SPUR_MIT, | |
253 | AR_PHY_CCK_SPUR_MIT_CCK_SPUR_FREQ, 0x0); | |
8525f280 LR |
254 | } |
255 | ||
1547da37 LR |
256 | /* Clean all spur register fields */ |
257 | static void ar9003_hw_spur_ofdm_clear(struct ath_hw *ah) | |
258 | { | |
259 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
260 | AR_PHY_TIMING4_ENABLE_SPUR_FILTER, 0); | |
261 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
262 | AR_PHY_TIMING11_SPUR_FREQ_SD, 0); | |
263 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
264 | AR_PHY_TIMING11_SPUR_DELTA_PHASE, 0); | |
265 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, | |
266 | AR_PHY_SFCORR_EXT_SPUR_SUBCHANNEL_SD, 0); | |
267 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
268 | AR_PHY_TIMING11_USE_SPUR_FILTER_IN_AGC, 0); | |
269 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
270 | AR_PHY_TIMING11_USE_SPUR_FILTER_IN_SELFCOR, 0); | |
271 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
272 | AR_PHY_TIMING4_ENABLE_SPUR_RSSI, 0); | |
273 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
274 | AR_PHY_SPUR_REG_EN_VIT_SPUR_RSSI, 0); | |
275 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
276 | AR_PHY_SPUR_REG_ENABLE_NF_RSSI_SPUR_MIT, 0); | |
277 | ||
278 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
279 | AR_PHY_SPUR_REG_ENABLE_MASK_PPM, 0); | |
280 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
281 | AR_PHY_TIMING4_ENABLE_PILOT_MASK, 0); | |
282 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
283 | AR_PHY_TIMING4_ENABLE_CHAN_MASK, 0); | |
284 | REG_RMW_FIELD(ah, AR_PHY_PILOT_SPUR_MASK, | |
285 | AR_PHY_PILOT_SPUR_MASK_CF_PILOT_MASK_IDX_A, 0); | |
286 | REG_RMW_FIELD(ah, AR_PHY_SPUR_MASK_A, | |
287 | AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A, 0); | |
288 | REG_RMW_FIELD(ah, AR_PHY_CHAN_SPUR_MASK, | |
289 | AR_PHY_CHAN_SPUR_MASK_CF_CHAN_MASK_IDX_A, 0); | |
290 | REG_RMW_FIELD(ah, AR_PHY_PILOT_SPUR_MASK, | |
291 | AR_PHY_PILOT_SPUR_MASK_CF_PILOT_MASK_A, 0); | |
292 | REG_RMW_FIELD(ah, AR_PHY_CHAN_SPUR_MASK, | |
293 | AR_PHY_CHAN_SPUR_MASK_CF_CHAN_MASK_A, 0); | |
294 | REG_RMW_FIELD(ah, AR_PHY_SPUR_MASK_A, | |
295 | AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_A, 0); | |
296 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
297 | AR_PHY_SPUR_REG_MASK_RATE_CNTL, 0); | |
298 | } | |
299 | ||
300 | static void ar9003_hw_spur_ofdm(struct ath_hw *ah, | |
301 | int freq_offset, | |
302 | int spur_freq_sd, | |
303 | int spur_delta_phase, | |
304 | int spur_subchannel_sd) | |
305 | { | |
306 | int mask_index = 0; | |
307 | ||
308 | /* OFDM Spur mitigation */ | |
309 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
310 | AR_PHY_TIMING4_ENABLE_SPUR_FILTER, 0x1); | |
311 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
312 | AR_PHY_TIMING11_SPUR_FREQ_SD, spur_freq_sd); | |
313 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
314 | AR_PHY_TIMING11_SPUR_DELTA_PHASE, spur_delta_phase); | |
315 | REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, | |
316 | AR_PHY_SFCORR_EXT_SPUR_SUBCHANNEL_SD, spur_subchannel_sd); | |
317 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
318 | AR_PHY_TIMING11_USE_SPUR_FILTER_IN_AGC, 0x1); | |
319 | REG_RMW_FIELD(ah, AR_PHY_TIMING11, | |
320 | AR_PHY_TIMING11_USE_SPUR_FILTER_IN_SELFCOR, 0x1); | |
321 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
322 | AR_PHY_TIMING4_ENABLE_SPUR_RSSI, 0x1); | |
323 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
324 | AR_PHY_SPUR_REG_SPUR_RSSI_THRESH, 34); | |
325 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
326 | AR_PHY_SPUR_REG_EN_VIT_SPUR_RSSI, 1); | |
327 | ||
328 | if (REG_READ_FIELD(ah, AR_PHY_MODE, | |
329 | AR_PHY_MODE_DYNAMIC) == 0x1) | |
330 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
331 | AR_PHY_SPUR_REG_ENABLE_NF_RSSI_SPUR_MIT, 1); | |
332 | ||
333 | mask_index = (freq_offset << 4) / 5; | |
334 | if (mask_index < 0) | |
335 | mask_index = mask_index - 1; | |
336 | ||
337 | mask_index = mask_index & 0x7f; | |
338 | ||
339 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
340 | AR_PHY_SPUR_REG_ENABLE_MASK_PPM, 0x1); | |
341 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
342 | AR_PHY_TIMING4_ENABLE_PILOT_MASK, 0x1); | |
343 | REG_RMW_FIELD(ah, AR_PHY_TIMING4, | |
344 | AR_PHY_TIMING4_ENABLE_CHAN_MASK, 0x1); | |
345 | REG_RMW_FIELD(ah, AR_PHY_PILOT_SPUR_MASK, | |
346 | AR_PHY_PILOT_SPUR_MASK_CF_PILOT_MASK_IDX_A, mask_index); | |
347 | REG_RMW_FIELD(ah, AR_PHY_SPUR_MASK_A, | |
348 | AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A, mask_index); | |
349 | REG_RMW_FIELD(ah, AR_PHY_CHAN_SPUR_MASK, | |
350 | AR_PHY_CHAN_SPUR_MASK_CF_CHAN_MASK_IDX_A, mask_index); | |
351 | REG_RMW_FIELD(ah, AR_PHY_PILOT_SPUR_MASK, | |
352 | AR_PHY_PILOT_SPUR_MASK_CF_PILOT_MASK_A, 0xc); | |
353 | REG_RMW_FIELD(ah, AR_PHY_CHAN_SPUR_MASK, | |
354 | AR_PHY_CHAN_SPUR_MASK_CF_CHAN_MASK_A, 0xc); | |
355 | REG_RMW_FIELD(ah, AR_PHY_SPUR_MASK_A, | |
356 | AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_A, 0xa0); | |
357 | REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, | |
358 | AR_PHY_SPUR_REG_MASK_RATE_CNTL, 0xff); | |
359 | } | |
360 | ||
361 | static void ar9003_hw_spur_ofdm_work(struct ath_hw *ah, | |
362 | struct ath9k_channel *chan, | |
363 | int freq_offset) | |
364 | { | |
365 | int spur_freq_sd = 0; | |
366 | int spur_subchannel_sd = 0; | |
367 | int spur_delta_phase = 0; | |
368 | ||
369 | if (IS_CHAN_HT40(chan)) { | |
370 | if (freq_offset < 0) { | |
371 | if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL, | |
372 | AR_PHY_GC_DYN2040_PRI_CH) == 0x0) | |
373 | spur_subchannel_sd = 1; | |
374 | else | |
375 | spur_subchannel_sd = 0; | |
376 | ||
9d1ceac5 | 377 | spur_freq_sd = ((freq_offset + 10) << 9) / 11; |
1547da37 LR |
378 | |
379 | } else { | |
380 | if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL, | |
381 | AR_PHY_GC_DYN2040_PRI_CH) == 0x0) | |
382 | spur_subchannel_sd = 0; | |
383 | else | |
384 | spur_subchannel_sd = 1; | |
385 | ||
9d1ceac5 | 386 | spur_freq_sd = ((freq_offset - 10) << 9) / 11; |
1547da37 LR |
387 | |
388 | } | |
389 | ||
390 | spur_delta_phase = (freq_offset << 17) / 5; | |
391 | ||
392 | } else { | |
393 | spur_subchannel_sd = 0; | |
394 | spur_freq_sd = (freq_offset << 9) /11; | |
395 | spur_delta_phase = (freq_offset << 18) / 5; | |
396 | } | |
397 | ||
398 | spur_freq_sd = spur_freq_sd & 0x3ff; | |
399 | spur_delta_phase = spur_delta_phase & 0xfffff; | |
400 | ||
401 | ar9003_hw_spur_ofdm(ah, | |
402 | freq_offset, | |
403 | spur_freq_sd, | |
404 | spur_delta_phase, | |
405 | spur_subchannel_sd); | |
406 | } | |
407 | ||
408 | /* Spur mitigation for OFDM */ | |
409 | static void ar9003_hw_spur_mitigate_ofdm(struct ath_hw *ah, | |
410 | struct ath9k_channel *chan) | |
411 | { | |
412 | int synth_freq; | |
413 | int range = 10; | |
414 | int freq_offset = 0; | |
415 | int mode; | |
416 | u8* spurChansPtr; | |
417 | unsigned int i; | |
418 | struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; | |
419 | ||
420 | if (IS_CHAN_5GHZ(chan)) { | |
421 | spurChansPtr = &(eep->modalHeader5G.spurChans[0]); | |
422 | mode = 0; | |
423 | } | |
424 | else { | |
425 | spurChansPtr = &(eep->modalHeader2G.spurChans[0]); | |
426 | mode = 1; | |
427 | } | |
428 | ||
429 | if (spurChansPtr[0] == 0) | |
430 | return; /* No spur in the mode */ | |
431 | ||
432 | if (IS_CHAN_HT40(chan)) { | |
433 | range = 19; | |
434 | if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL, | |
435 | AR_PHY_GC_DYN2040_PRI_CH) == 0x0) | |
436 | synth_freq = chan->channel - 10; | |
437 | else | |
438 | synth_freq = chan->channel + 10; | |
439 | } else { | |
440 | range = 10; | |
441 | synth_freq = chan->channel; | |
442 | } | |
443 | ||
444 | ar9003_hw_spur_ofdm_clear(ah); | |
445 | ||
0f8e94d2 | 446 | for (i = 0; i < AR_EEPROM_MODAL_SPURS && spurChansPtr[i]; i++) { |
8edb254c GJ |
447 | freq_offset = ath9k_hw_fbin2freq(spurChansPtr[i], mode); |
448 | freq_offset -= synth_freq; | |
1547da37 LR |
449 | if (abs(freq_offset) < range) { |
450 | ar9003_hw_spur_ofdm_work(ah, chan, freq_offset); | |
451 | break; | |
452 | } | |
453 | } | |
454 | } | |
455 | ||
456 | static void ar9003_hw_spur_mitigate(struct ath_hw *ah, | |
457 | struct ath9k_channel *chan) | |
458 | { | |
459 | ar9003_hw_spur_mitigate_mrc_cck(ah, chan); | |
460 | ar9003_hw_spur_mitigate_ofdm(ah, chan); | |
461 | } | |
462 | ||
8525f280 LR |
463 | static u32 ar9003_hw_compute_pll_control(struct ath_hw *ah, |
464 | struct ath9k_channel *chan) | |
465 | { | |
317d3328 FF |
466 | u32 pll; |
467 | ||
468 | pll = SM(0x5, AR_RTC_9300_PLL_REFDIV); | |
469 | ||
470 | if (chan && IS_CHAN_HALF_RATE(chan)) | |
471 | pll |= SM(0x1, AR_RTC_9300_PLL_CLKSEL); | |
472 | else if (chan && IS_CHAN_QUARTER_RATE(chan)) | |
473 | pll |= SM(0x2, AR_RTC_9300_PLL_CLKSEL); | |
474 | ||
14bc1104 | 475 | pll |= SM(0x2c, AR_RTC_9300_PLL_DIV); |
317d3328 FF |
476 | |
477 | return pll; | |
8525f280 LR |
478 | } |
479 | ||
480 | static void ar9003_hw_set_channel_regs(struct ath_hw *ah, | |
481 | struct ath9k_channel *chan) | |
482 | { | |
cffb5e49 LR |
483 | u32 phymode; |
484 | u32 enableDacFifo = 0; | |
485 | ||
486 | enableDacFifo = | |
487 | (REG_READ(ah, AR_PHY_GEN_CTRL) & AR_PHY_GC_ENABLE_DAC_FIFO); | |
488 | ||
489 | /* Enable 11n HT, 20 MHz */ | |
8ad38d22 | 490 | phymode = AR_PHY_GC_HT_EN | AR_PHY_GC_SINGLE_HT_LTF1 | |
cffb5e49 LR |
491 | AR_PHY_GC_SHORT_GI_40 | enableDacFifo; |
492 | ||
493 | /* Configure baseband for dynamic 20/40 operation */ | |
494 | if (IS_CHAN_HT40(chan)) { | |
495 | phymode |= AR_PHY_GC_DYN2040_EN; | |
496 | /* Configure control (primary) channel at +-10MHz */ | |
497 | if ((chan->chanmode == CHANNEL_A_HT40PLUS) || | |
498 | (chan->chanmode == CHANNEL_G_HT40PLUS)) | |
499 | phymode |= AR_PHY_GC_DYN2040_PRI_CH; | |
500 | ||
501 | } | |
502 | ||
503 | /* make sure we preserve INI settings */ | |
504 | phymode |= REG_READ(ah, AR_PHY_GEN_CTRL); | |
505 | /* turn off Green Field detection for STA for now */ | |
506 | phymode &= ~AR_PHY_GC_GF_DETECT_EN; | |
507 | ||
508 | REG_WRITE(ah, AR_PHY_GEN_CTRL, phymode); | |
509 | ||
510 | /* Configure MAC for 20/40 operation */ | |
511 | ath9k_hw_set11nmac2040(ah); | |
512 | ||
513 | /* global transmit timeout (25 TUs default)*/ | |
514 | REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S); | |
515 | /* carrier sense timeout */ | |
516 | REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S); | |
8525f280 LR |
517 | } |
518 | ||
519 | static void ar9003_hw_init_bb(struct ath_hw *ah, | |
520 | struct ath9k_channel *chan) | |
521 | { | |
af914a9f LR |
522 | u32 synthDelay; |
523 | ||
524 | /* | |
525 | * Wait for the frequency synth to settle (synth goes on | |
526 | * via AR_PHY_ACTIVE_EN). Read the phy active delay register. | |
527 | * Value is in 100ns increments. | |
528 | */ | |
529 | synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY; | |
af914a9f LR |
530 | |
531 | /* Activate the PHY (includes baseband activate + synthesizer on) */ | |
532 | REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN); | |
7c5adc8d | 533 | ath9k_hw_synth_delay(ah, chan, synthDelay); |
8525f280 LR |
534 | } |
535 | ||
56266bff | 536 | static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx) |
cffb5e49 LR |
537 | { |
538 | switch (rx) { | |
539 | case 0x5: | |
540 | REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP, | |
541 | AR_PHY_SWAP_ALT_CHAIN); | |
542 | case 0x3: | |
543 | case 0x1: | |
544 | case 0x2: | |
545 | case 0x7: | |
546 | REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx); | |
547 | REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx); | |
548 | break; | |
549 | default: | |
550 | break; | |
551 | } | |
552 | ||
ea066d5a MSS |
553 | if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7)) |
554 | REG_WRITE(ah, AR_SELFGEN_MASK, 0x3); | |
423e38e8 | 555 | else if (AR_SREV_9462(ah)) |
2577c6e8 SB |
556 | /* xxx only when MCI support is enabled */ |
557 | REG_WRITE(ah, AR_SELFGEN_MASK, 0x3); | |
ea066d5a MSS |
558 | else |
559 | REG_WRITE(ah, AR_SELFGEN_MASK, tx); | |
560 | ||
cffb5e49 LR |
561 | if (tx == 0x5) { |
562 | REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP, | |
563 | AR_PHY_SWAP_ALT_CHAIN); | |
564 | } | |
565 | } | |
566 | ||
567 | /* | |
568 | * Override INI values with chip specific configuration. | |
569 | */ | |
570 | static void ar9003_hw_override_ini(struct ath_hw *ah) | |
571 | { | |
572 | u32 val; | |
573 | ||
574 | /* | |
575 | * Set the RX_ABORT and RX_DIS and clear it only after | |
576 | * RXE is set for MAC. This prevents frames with | |
577 | * corrupted descriptor status. | |
578 | */ | |
579 | REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT)); | |
580 | ||
581 | /* | |
582 | * For AR9280 and above, there is a new feature that allows | |
583 | * Multicast search based on both MAC Address and Key ID. By default, | |
584 | * this feature is enabled. But since the driver is not using this | |
585 | * feature, we switch it off; otherwise multicast search based on | |
586 | * MAC addr only will fail. | |
587 | */ | |
588 | val = REG_READ(ah, AR_PCU_MISC_MODE2) & (~AR_ADHOC_MCAST_KEYID_ENABLE); | |
589 | REG_WRITE(ah, AR_PCU_MISC_MODE2, | |
590 | val | AR_AGG_WEP_ENABLE_FIX | AR_AGG_WEP_ENABLE); | |
bf3f204b FF |
591 | |
592 | REG_SET_BIT(ah, AR_PHY_CCK_DETECT, | |
593 | AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV); | |
cffb5e49 LR |
594 | } |
595 | ||
596 | static void ar9003_hw_prog_ini(struct ath_hw *ah, | |
597 | struct ar5416IniArray *iniArr, | |
598 | int column) | |
599 | { | |
600 | unsigned int i, regWrites = 0; | |
601 | ||
602 | /* New INI format: Array may be undefined (pre, core, post arrays) */ | |
603 | if (!iniArr->ia_array) | |
604 | return; | |
605 | ||
606 | /* | |
607 | * New INI format: Pre, core, and post arrays for a given subsystem | |
608 | * may be modal (> 2 columns) or non-modal (2 columns). Determine if | |
609 | * the array is non-modal and force the column to 1. | |
610 | */ | |
611 | if (column >= iniArr->ia_columns) | |
612 | column = 1; | |
613 | ||
614 | for (i = 0; i < iniArr->ia_rows; i++) { | |
615 | u32 reg = INI_RA(iniArr, i, 0); | |
616 | u32 val = INI_RA(iniArr, i, column); | |
617 | ||
7e68b746 | 618 | REG_WRITE(ah, reg, val); |
b2ccc507 | 619 | |
cffb5e49 LR |
620 | DO_DELAY(regWrites); |
621 | } | |
622 | } | |
623 | ||
8bc45c6b GJ |
624 | static int ar9550_hw_get_modes_txgain_index(struct ath_hw *ah, |
625 | struct ath9k_channel *chan) | |
626 | { | |
627 | int ret; | |
628 | ||
629 | switch (chan->chanmode) { | |
630 | case CHANNEL_A: | |
631 | case CHANNEL_A_HT20: | |
632 | if (chan->channel <= 5350) | |
633 | ret = 1; | |
634 | else if ((chan->channel > 5350) && (chan->channel <= 5600)) | |
635 | ret = 3; | |
636 | else | |
637 | ret = 5; | |
638 | break; | |
639 | ||
640 | case CHANNEL_A_HT40PLUS: | |
641 | case CHANNEL_A_HT40MINUS: | |
642 | if (chan->channel <= 5350) | |
643 | ret = 2; | |
644 | else if ((chan->channel > 5350) && (chan->channel <= 5600)) | |
645 | ret = 4; | |
646 | else | |
647 | ret = 6; | |
648 | break; | |
649 | ||
650 | case CHANNEL_G: | |
651 | case CHANNEL_G_HT20: | |
652 | case CHANNEL_B: | |
653 | ret = 8; | |
654 | break; | |
655 | ||
656 | case CHANNEL_G_HT40PLUS: | |
657 | case CHANNEL_G_HT40MINUS: | |
658 | ret = 7; | |
659 | break; | |
660 | ||
661 | default: | |
662 | ret = -EINVAL; | |
663 | } | |
664 | ||
665 | return ret; | |
666 | } | |
667 | ||
8525f280 LR |
668 | static int ar9003_hw_process_ini(struct ath_hw *ah, |
669 | struct ath9k_channel *chan) | |
670 | { | |
cffb5e49 | 671 | unsigned int regWrites = 0, i; |
0ff2b5c0 | 672 | u32 modesIndex; |
cffb5e49 LR |
673 | |
674 | switch (chan->chanmode) { | |
675 | case CHANNEL_A: | |
676 | case CHANNEL_A_HT20: | |
677 | modesIndex = 1; | |
cffb5e49 LR |
678 | break; |
679 | case CHANNEL_A_HT40PLUS: | |
680 | case CHANNEL_A_HT40MINUS: | |
681 | modesIndex = 2; | |
cffb5e49 LR |
682 | break; |
683 | case CHANNEL_G: | |
684 | case CHANNEL_G_HT20: | |
685 | case CHANNEL_B: | |
686 | modesIndex = 4; | |
cffb5e49 LR |
687 | break; |
688 | case CHANNEL_G_HT40PLUS: | |
689 | case CHANNEL_G_HT40MINUS: | |
690 | modesIndex = 3; | |
cffb5e49 LR |
691 | break; |
692 | ||
693 | default: | |
694 | return -EINVAL; | |
695 | } | |
696 | ||
697 | for (i = 0; i < ATH_INI_NUM_SPLIT; i++) { | |
698 | ar9003_hw_prog_ini(ah, &ah->iniSOC[i], modesIndex); | |
699 | ar9003_hw_prog_ini(ah, &ah->iniMac[i], modesIndex); | |
700 | ar9003_hw_prog_ini(ah, &ah->iniBB[i], modesIndex); | |
701 | ar9003_hw_prog_ini(ah, &ah->iniRadio[i], modesIndex); | |
423e38e8 | 702 | if (i == ATH_INI_POST && AR_SREV_9462_20(ah)) |
2577c6e8 SB |
703 | ar9003_hw_prog_ini(ah, |
704 | &ah->ini_radio_post_sys2ant, | |
705 | modesIndex); | |
cffb5e49 LR |
706 | } |
707 | ||
708 | REG_WRITE_ARRAY(&ah->iniModesRxGain, 1, regWrites); | |
8bc45c6b GJ |
709 | if (AR_SREV_9550(ah)) |
710 | REG_WRITE_ARRAY(&ah->ini_modes_rx_gain_bounds, modesIndex, | |
711 | regWrites); | |
712 | ||
713 | if (AR_SREV_9550(ah)) { | |
714 | int modes_txgain_index; | |
715 | ||
716 | modes_txgain_index = ar9550_hw_get_modes_txgain_index(ah, chan); | |
717 | if (modes_txgain_index < 0) | |
718 | return -EINVAL; | |
719 | ||
720 | REG_WRITE_ARRAY(&ah->iniModesTxGain, modes_txgain_index, | |
721 | regWrites); | |
722 | } else { | |
723 | REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites); | |
724 | } | |
cffb5e49 LR |
725 | |
726 | /* | |
727 | * For 5GHz channels requiring Fast Clock, apply | |
728 | * different modal values. | |
729 | */ | |
6b42e8d0 | 730 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) |
c7d36f9f | 731 | REG_WRITE_ARRAY(&ah->iniModesFastClock, |
cffb5e49 LR |
732 | modesIndex, regWrites); |
733 | ||
c7d36f9f | 734 | REG_WRITE_ARRAY(&ah->iniAdditional, 1, regWrites); |
d89baac8 | 735 | |
9951c4d0 FF |
736 | if (chan->channel == 2484) |
737 | ar9003_hw_prog_ini(ah, &ah->ini_japan2484, 1); | |
738 | ||
c8b6fbe1 RM |
739 | if (AR_SREV_9462(ah)) |
740 | REG_WRITE(ah, AR_GLB_SWREG_DISCONT_MODE, | |
741 | AR_GLB_SWREG_DISCONT_EN_BT_WLAN); | |
742 | ||
5f0c04ea | 743 | ah->modes_index = modesIndex; |
cffb5e49 LR |
744 | ar9003_hw_override_ini(ah); |
745 | ar9003_hw_set_channel_regs(ah, chan); | |
746 | ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask); | |
64ea57d0 | 747 | ath9k_hw_apply_txpower(ah, chan, false); |
cffb5e49 | 748 | |
423e38e8 | 749 | if (AR_SREV_9462(ah)) { |
8ad74c4d RM |
750 | if (REG_READ_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_0, |
751 | AR_PHY_TX_IQCAL_CONTROL_0_ENABLE_TXIQ_CAL)) | |
752 | ah->enabled_cals |= TX_IQ_CAL; | |
753 | else | |
754 | ah->enabled_cals &= ~TX_IQ_CAL; | |
755 | ||
756 | if (REG_READ(ah, AR_PHY_CL_CAL_CTL) & AR_PHY_CL_CAL_ENABLE) | |
757 | ah->enabled_cals |= TX_CL_CAL; | |
758 | else | |
759 | ah->enabled_cals &= ~TX_CL_CAL; | |
760 | } | |
761 | ||
cffb5e49 | 762 | return 0; |
8525f280 LR |
763 | } |
764 | ||
765 | static void ar9003_hw_set_rfmode(struct ath_hw *ah, | |
766 | struct ath9k_channel *chan) | |
767 | { | |
af914a9f LR |
768 | u32 rfMode = 0; |
769 | ||
770 | if (chan == NULL) | |
771 | return; | |
772 | ||
773 | rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan)) | |
774 | ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM; | |
775 | ||
6b42e8d0 | 776 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) |
af914a9f | 777 | rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE); |
08685ce3 FF |
778 | if (IS_CHAN_QUARTER_RATE(chan)) |
779 | rfMode |= AR_PHY_MODE_QUARTER; | |
780 | if (IS_CHAN_HALF_RATE(chan)) | |
781 | rfMode |= AR_PHY_MODE_HALF; | |
af914a9f | 782 | |
3e61d3f9 FF |
783 | if (rfMode & (AR_PHY_MODE_QUARTER | AR_PHY_MODE_HALF)) |
784 | REG_RMW_FIELD(ah, AR_PHY_FRAME_CTL, | |
785 | AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW, 3); | |
786 | ||
af914a9f | 787 | REG_WRITE(ah, AR_PHY_MODE, rfMode); |
8525f280 LR |
788 | } |
789 | ||
790 | static void ar9003_hw_mark_phy_inactive(struct ath_hw *ah) | |
791 | { | |
af914a9f | 792 | REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS); |
8525f280 LR |
793 | } |
794 | ||
795 | static void ar9003_hw_set_delta_slope(struct ath_hw *ah, | |
796 | struct ath9k_channel *chan) | |
797 | { | |
af914a9f LR |
798 | u32 coef_scaled, ds_coef_exp, ds_coef_man; |
799 | u32 clockMhzScaled = 0x64000000; | |
800 | struct chan_centers centers; | |
801 | ||
802 | /* | |
803 | * half and quarter rate can divide the scaled clock by 2 or 4 | |
804 | * scale for selected channel bandwidth | |
805 | */ | |
806 | if (IS_CHAN_HALF_RATE(chan)) | |
807 | clockMhzScaled = clockMhzScaled >> 1; | |
808 | else if (IS_CHAN_QUARTER_RATE(chan)) | |
809 | clockMhzScaled = clockMhzScaled >> 2; | |
810 | ||
811 | /* | |
812 | * ALGO -> coef = 1e8/fcarrier*fclock/40; | |
813 | * scaled coef to provide precision for this floating calculation | |
814 | */ | |
815 | ath9k_hw_get_channel_centers(ah, chan, ¢ers); | |
816 | coef_scaled = clockMhzScaled / centers.synth_center; | |
817 | ||
818 | ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man, | |
819 | &ds_coef_exp); | |
820 | ||
821 | REG_RMW_FIELD(ah, AR_PHY_TIMING3, | |
822 | AR_PHY_TIMING3_DSC_MAN, ds_coef_man); | |
823 | REG_RMW_FIELD(ah, AR_PHY_TIMING3, | |
824 | AR_PHY_TIMING3_DSC_EXP, ds_coef_exp); | |
825 | ||
826 | /* | |
827 | * For Short GI, | |
828 | * scaled coeff is 9/10 that of normal coeff | |
829 | */ | |
830 | coef_scaled = (9 * coef_scaled) / 10; | |
831 | ||
832 | ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man, | |
833 | &ds_coef_exp); | |
834 | ||
835 | /* for short gi */ | |
836 | REG_RMW_FIELD(ah, AR_PHY_SGI_DELTA, | |
837 | AR_PHY_SGI_DSC_MAN, ds_coef_man); | |
838 | REG_RMW_FIELD(ah, AR_PHY_SGI_DELTA, | |
839 | AR_PHY_SGI_DSC_EXP, ds_coef_exp); | |
8525f280 LR |
840 | } |
841 | ||
842 | static bool ar9003_hw_rfbus_req(struct ath_hw *ah) | |
843 | { | |
af914a9f LR |
844 | REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN); |
845 | return ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN, | |
846 | AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT); | |
8525f280 LR |
847 | } |
848 | ||
af914a9f LR |
849 | /* |
850 | * Wait for the frequency synth to settle (synth goes on via PHY_ACTIVE_EN). | |
851 | * Read the phy active delay register. Value is in 100ns increments. | |
852 | */ | |
8525f280 LR |
853 | static void ar9003_hw_rfbus_done(struct ath_hw *ah) |
854 | { | |
af914a9f | 855 | u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY; |
af914a9f | 856 | |
7c5adc8d | 857 | ath9k_hw_synth_delay(ah, ah->curchan, synthDelay); |
af914a9f LR |
858 | |
859 | REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0); | |
8525f280 LR |
860 | } |
861 | ||
c16fcb49 FF |
862 | static bool ar9003_hw_ani_control(struct ath_hw *ah, |
863 | enum ath9k_ani_cmd cmd, int param) | |
864 | { | |
af914a9f | 865 | struct ath_common *common = ath9k_hw_common(ah); |
e36b27af | 866 | struct ath9k_channel *chan = ah->curchan; |
093115b7 | 867 | struct ar5416AniState *aniState = &chan->ani; |
e36b27af | 868 | s32 value, value2; |
af914a9f LR |
869 | |
870 | switch (cmd & ah->ani_function) { | |
af914a9f | 871 | case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{ |
e36b27af LR |
872 | /* |
873 | * on == 1 means ofdm weak signal detection is ON | |
874 | * on == 1 is the default, for less noise immunity | |
875 | * | |
876 | * on == 0 means ofdm weak signal detection is OFF | |
877 | * on == 0 means more noise imm | |
878 | */ | |
af914a9f | 879 | u32 on = param ? 1 : 0; |
af914a9f LR |
880 | |
881 | if (on) | |
882 | REG_SET_BIT(ah, AR_PHY_SFCORR_LOW, | |
883 | AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); | |
884 | else | |
885 | REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW, | |
886 | AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); | |
887 | ||
7067e701 | 888 | if (on != aniState->ofdmWeakSigDetect) { |
d2182b69 | 889 | ath_dbg(common, ANI, |
226afe68 JP |
890 | "** ch %d: ofdm weak signal: %s=>%s\n", |
891 | chan->channel, | |
7067e701 | 892 | aniState->ofdmWeakSigDetect ? |
226afe68 JP |
893 | "on" : "off", |
894 | on ? "on" : "off"); | |
af914a9f LR |
895 | if (on) |
896 | ah->stats.ast_ani_ofdmon++; | |
897 | else | |
898 | ah->stats.ast_ani_ofdmoff++; | |
7067e701 | 899 | aniState->ofdmWeakSigDetect = on; |
af914a9f LR |
900 | } |
901 | break; | |
902 | } | |
af914a9f | 903 | case ATH9K_ANI_FIRSTEP_LEVEL:{ |
af914a9f LR |
904 | u32 level = param; |
905 | ||
e36b27af | 906 | if (level >= ARRAY_SIZE(firstep_table)) { |
d2182b69 | 907 | ath_dbg(common, ANI, |
226afe68 JP |
908 | "ATH9K_ANI_FIRSTEP_LEVEL: level out of range (%u > %zu)\n", |
909 | level, ARRAY_SIZE(firstep_table)); | |
af914a9f LR |
910 | return false; |
911 | } | |
e36b27af LR |
912 | |
913 | /* | |
914 | * make register setting relative to default | |
915 | * from INI file & cap value | |
916 | */ | |
917 | value = firstep_table[level] - | |
465dce62 | 918 | firstep_table[ATH9K_ANI_FIRSTEP_LVL] + |
e36b27af LR |
919 | aniState->iniDef.firstep; |
920 | if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN) | |
921 | value = ATH9K_SIG_FIRSTEP_SETTING_MIN; | |
922 | if (value > ATH9K_SIG_FIRSTEP_SETTING_MAX) | |
923 | value = ATH9K_SIG_FIRSTEP_SETTING_MAX; | |
af914a9f LR |
924 | REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, |
925 | AR_PHY_FIND_SIG_FIRSTEP, | |
e36b27af LR |
926 | value); |
927 | /* | |
928 | * we need to set first step low register too | |
929 | * make register setting relative to default | |
930 | * from INI file & cap value | |
931 | */ | |
932 | value2 = firstep_table[level] - | |
465dce62 | 933 | firstep_table[ATH9K_ANI_FIRSTEP_LVL] + |
e36b27af LR |
934 | aniState->iniDef.firstepLow; |
935 | if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN) | |
936 | value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN; | |
937 | if (value2 > ATH9K_SIG_FIRSTEP_SETTING_MAX) | |
938 | value2 = ATH9K_SIG_FIRSTEP_SETTING_MAX; | |
939 | ||
940 | REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW, | |
941 | AR_PHY_FIND_SIG_LOW_FIRSTEP_LOW, value2); | |
942 | ||
943 | if (level != aniState->firstepLevel) { | |
d2182b69 | 944 | ath_dbg(common, ANI, |
226afe68 JP |
945 | "** ch %d: level %d=>%d[def:%d] firstep[level]=%d ini=%d\n", |
946 | chan->channel, | |
947 | aniState->firstepLevel, | |
948 | level, | |
465dce62 | 949 | ATH9K_ANI_FIRSTEP_LVL, |
226afe68 JP |
950 | value, |
951 | aniState->iniDef.firstep); | |
d2182b69 | 952 | ath_dbg(common, ANI, |
226afe68 JP |
953 | "** ch %d: level %d=>%d[def:%d] firstep_low[level]=%d ini=%d\n", |
954 | chan->channel, | |
955 | aniState->firstepLevel, | |
956 | level, | |
465dce62 | 957 | ATH9K_ANI_FIRSTEP_LVL, |
226afe68 JP |
958 | value2, |
959 | aniState->iniDef.firstepLow); | |
e36b27af LR |
960 | if (level > aniState->firstepLevel) |
961 | ah->stats.ast_ani_stepup++; | |
962 | else if (level < aniState->firstepLevel) | |
963 | ah->stats.ast_ani_stepdown++; | |
964 | aniState->firstepLevel = level; | |
965 | } | |
af914a9f LR |
966 | break; |
967 | } | |
968 | case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{ | |
af914a9f LR |
969 | u32 level = param; |
970 | ||
e36b27af | 971 | if (level >= ARRAY_SIZE(cycpwrThr1_table)) { |
d2182b69 | 972 | ath_dbg(common, ANI, |
226afe68 JP |
973 | "ATH9K_ANI_SPUR_IMMUNITY_LEVEL: level out of range (%u > %zu)\n", |
974 | level, ARRAY_SIZE(cycpwrThr1_table)); | |
af914a9f LR |
975 | return false; |
976 | } | |
e36b27af LR |
977 | /* |
978 | * make register setting relative to default | |
979 | * from INI file & cap value | |
980 | */ | |
981 | value = cycpwrThr1_table[level] - | |
465dce62 | 982 | cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] + |
e36b27af LR |
983 | aniState->iniDef.cycpwrThr1; |
984 | if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN) | |
985 | value = ATH9K_SIG_SPUR_IMM_SETTING_MIN; | |
986 | if (value > ATH9K_SIG_SPUR_IMM_SETTING_MAX) | |
987 | value = ATH9K_SIG_SPUR_IMM_SETTING_MAX; | |
af914a9f LR |
988 | REG_RMW_FIELD(ah, AR_PHY_TIMING5, |
989 | AR_PHY_TIMING5_CYCPWR_THR1, | |
e36b27af LR |
990 | value); |
991 | ||
992 | /* | |
993 | * set AR_PHY_EXT_CCA for extension channel | |
994 | * make register setting relative to default | |
995 | * from INI file & cap value | |
996 | */ | |
997 | value2 = cycpwrThr1_table[level] - | |
465dce62 | 998 | cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] + |
e36b27af LR |
999 | aniState->iniDef.cycpwrThr1Ext; |
1000 | if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN) | |
1001 | value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN; | |
1002 | if (value2 > ATH9K_SIG_SPUR_IMM_SETTING_MAX) | |
1003 | value2 = ATH9K_SIG_SPUR_IMM_SETTING_MAX; | |
1004 | REG_RMW_FIELD(ah, AR_PHY_EXT_CCA, | |
1005 | AR_PHY_EXT_CYCPWR_THR1, value2); | |
1006 | ||
1007 | if (level != aniState->spurImmunityLevel) { | |
d2182b69 | 1008 | ath_dbg(common, ANI, |
226afe68 JP |
1009 | "** ch %d: level %d=>%d[def:%d] cycpwrThr1[level]=%d ini=%d\n", |
1010 | chan->channel, | |
1011 | aniState->spurImmunityLevel, | |
1012 | level, | |
465dce62 | 1013 | ATH9K_ANI_SPUR_IMMUNE_LVL, |
226afe68 JP |
1014 | value, |
1015 | aniState->iniDef.cycpwrThr1); | |
d2182b69 | 1016 | ath_dbg(common, ANI, |
226afe68 JP |
1017 | "** ch %d: level %d=>%d[def:%d] cycpwrThr1Ext[level]=%d ini=%d\n", |
1018 | chan->channel, | |
1019 | aniState->spurImmunityLevel, | |
1020 | level, | |
465dce62 | 1021 | ATH9K_ANI_SPUR_IMMUNE_LVL, |
226afe68 JP |
1022 | value2, |
1023 | aniState->iniDef.cycpwrThr1Ext); | |
e36b27af LR |
1024 | if (level > aniState->spurImmunityLevel) |
1025 | ah->stats.ast_ani_spurup++; | |
1026 | else if (level < aniState->spurImmunityLevel) | |
1027 | ah->stats.ast_ani_spurdown++; | |
1028 | aniState->spurImmunityLevel = level; | |
1029 | } | |
af914a9f LR |
1030 | break; |
1031 | } | |
e36b27af LR |
1032 | case ATH9K_ANI_MRC_CCK:{ |
1033 | /* | |
1034 | * is_on == 1 means MRC CCK ON (default, less noise imm) | |
1035 | * is_on == 0 means MRC CCK is OFF (more noise imm) | |
1036 | */ | |
1037 | bool is_on = param ? 1 : 0; | |
1038 | REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL, | |
1039 | AR_PHY_MRC_CCK_ENABLE, is_on); | |
1040 | REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL, | |
1041 | AR_PHY_MRC_CCK_MUX_REG, is_on); | |
81b67fd6 | 1042 | if (is_on != aniState->mrcCCK) { |
d2182b69 | 1043 | ath_dbg(common, ANI, "** ch %d: MRC CCK: %s=>%s\n", |
226afe68 | 1044 | chan->channel, |
81b67fd6 | 1045 | aniState->mrcCCK ? "on" : "off", |
226afe68 | 1046 | is_on ? "on" : "off"); |
e36b27af LR |
1047 | if (is_on) |
1048 | ah->stats.ast_ani_ccklow++; | |
1049 | else | |
1050 | ah->stats.ast_ani_cckhigh++; | |
81b67fd6 | 1051 | aniState->mrcCCK = is_on; |
e36b27af LR |
1052 | } |
1053 | break; | |
1054 | } | |
af914a9f LR |
1055 | case ATH9K_ANI_PRESENT: |
1056 | break; | |
1057 | default: | |
d2182b69 | 1058 | ath_dbg(common, ANI, "invalid cmd %u\n", cmd); |
af914a9f LR |
1059 | return false; |
1060 | } | |
1061 | ||
d2182b69 | 1062 | ath_dbg(common, ANI, |
226afe68 JP |
1063 | "ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n", |
1064 | aniState->spurImmunityLevel, | |
7067e701 | 1065 | aniState->ofdmWeakSigDetect ? "on" : "off", |
226afe68 | 1066 | aniState->firstepLevel, |
81b67fd6 | 1067 | aniState->mrcCCK ? "on" : "off", |
226afe68 JP |
1068 | aniState->listenTime, |
1069 | aniState->ofdmPhyErrCount, | |
1070 | aniState->cckPhyErrCount); | |
af914a9f | 1071 | return true; |
c16fcb49 FF |
1072 | } |
1073 | ||
641d9921 FF |
1074 | static void ar9003_hw_do_getnf(struct ath_hw *ah, |
1075 | int16_t nfarray[NUM_NF_READINGS]) | |
1076 | { | |
b06af7a5 VT |
1077 | #define AR_PHY_CH_MINCCA_PWR 0x1FF00000 |
1078 | #define AR_PHY_CH_MINCCA_PWR_S 20 | |
1079 | #define AR_PHY_CH_EXT_MINCCA_PWR 0x01FF0000 | |
1080 | #define AR_PHY_CH_EXT_MINCCA_PWR_S 16 | |
641d9921 | 1081 | |
b06af7a5 VT |
1082 | int16_t nf; |
1083 | int i; | |
866b7780 | 1084 | |
b06af7a5 VT |
1085 | for (i = 0; i < AR9300_MAX_CHAINS; i++) { |
1086 | if (ah->rxchainmask & BIT(i)) { | |
1087 | nf = MS(REG_READ(ah, ah->nf_regs[i]), | |
1088 | AR_PHY_CH_MINCCA_PWR); | |
1089 | nfarray[i] = sign_extend32(nf, 8); | |
641d9921 | 1090 | |
b06af7a5 VT |
1091 | if (IS_CHAN_HT40(ah->curchan)) { |
1092 | u8 ext_idx = AR9300_MAX_CHAINS + i; | |
641d9921 | 1093 | |
b06af7a5 VT |
1094 | nf = MS(REG_READ(ah, ah->nf_regs[ext_idx]), |
1095 | AR_PHY_CH_EXT_MINCCA_PWR); | |
1096 | nfarray[ext_idx] = sign_extend32(nf, 8); | |
1097 | } | |
1098 | } | |
1099 | } | |
641d9921 FF |
1100 | } |
1101 | ||
f2552e28 | 1102 | static void ar9003_hw_set_nf_limits(struct ath_hw *ah) |
641d9921 | 1103 | { |
f2552e28 FF |
1104 | ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_2GHZ; |
1105 | ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9300_2GHZ; | |
ae245cde | 1106 | ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9300_2GHZ; |
f2552e28 FF |
1107 | ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_5GHZ; |
1108 | ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9300_5GHZ; | |
1109 | ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9300_5GHZ; | |
ae245cde SM |
1110 | |
1111 | if (AR_SREV_9330(ah)) | |
1112 | ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9330_2GHZ; | |
1113 | ||
1114 | if (AR_SREV_9462(ah)) { | |
1115 | ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9462_2GHZ; | |
1116 | ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9462_2GHZ; | |
1117 | ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9462_5GHZ; | |
1118 | ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9462_5GHZ; | |
1119 | } | |
641d9921 FF |
1120 | } |
1121 | ||
e36b27af LR |
1122 | /* |
1123 | * Initialize the ANI register values with default (ini) values. | |
1124 | * This routine is called during a (full) hardware reset after | |
1125 | * all the registers are initialised from the INI. | |
1126 | */ | |
1127 | static void ar9003_hw_ani_cache_ini_regs(struct ath_hw *ah) | |
1128 | { | |
1129 | struct ar5416AniState *aniState; | |
1130 | struct ath_common *common = ath9k_hw_common(ah); | |
1131 | struct ath9k_channel *chan = ah->curchan; | |
1132 | struct ath9k_ani_default *iniDef; | |
e36b27af LR |
1133 | u32 val; |
1134 | ||
093115b7 | 1135 | aniState = &ah->curchan->ani; |
e36b27af LR |
1136 | iniDef = &aniState->iniDef; |
1137 | ||
d2182b69 | 1138 | ath_dbg(common, ANI, "ver %d.%d opmode %u chan %d Mhz/0x%x\n", |
226afe68 JP |
1139 | ah->hw_version.macVersion, |
1140 | ah->hw_version.macRev, | |
1141 | ah->opmode, | |
1142 | chan->channel, | |
1143 | chan->channelFlags); | |
e36b27af LR |
1144 | |
1145 | val = REG_READ(ah, AR_PHY_SFCORR); | |
1146 | iniDef->m1Thresh = MS(val, AR_PHY_SFCORR_M1_THRESH); | |
1147 | iniDef->m2Thresh = MS(val, AR_PHY_SFCORR_M2_THRESH); | |
1148 | iniDef->m2CountThr = MS(val, AR_PHY_SFCORR_M2COUNT_THR); | |
1149 | ||
1150 | val = REG_READ(ah, AR_PHY_SFCORR_LOW); | |
1151 | iniDef->m1ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M1_THRESH_LOW); | |
1152 | iniDef->m2ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M2_THRESH_LOW); | |
1153 | iniDef->m2CountThrLow = MS(val, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW); | |
1154 | ||
1155 | val = REG_READ(ah, AR_PHY_SFCORR_EXT); | |
1156 | iniDef->m1ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH); | |
1157 | iniDef->m2ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH); | |
1158 | iniDef->m1ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH_LOW); | |
1159 | iniDef->m2ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH_LOW); | |
1160 | iniDef->firstep = REG_READ_FIELD(ah, | |
1161 | AR_PHY_FIND_SIG, | |
1162 | AR_PHY_FIND_SIG_FIRSTEP); | |
1163 | iniDef->firstepLow = REG_READ_FIELD(ah, | |
1164 | AR_PHY_FIND_SIG_LOW, | |
1165 | AR_PHY_FIND_SIG_LOW_FIRSTEP_LOW); | |
1166 | iniDef->cycpwrThr1 = REG_READ_FIELD(ah, | |
1167 | AR_PHY_TIMING5, | |
1168 | AR_PHY_TIMING5_CYCPWR_THR1); | |
1169 | iniDef->cycpwrThr1Ext = REG_READ_FIELD(ah, | |
1170 | AR_PHY_EXT_CCA, | |
1171 | AR_PHY_EXT_CYCPWR_THR1); | |
1172 | ||
1173 | /* these levels just got reset to defaults by the INI */ | |
465dce62 FF |
1174 | aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL; |
1175 | aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL; | |
7067e701 | 1176 | aniState->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG; |
81b67fd6 | 1177 | aniState->mrcCCK = true; |
e36b27af LR |
1178 | } |
1179 | ||
4e8c14e9 FF |
1180 | static void ar9003_hw_set_radar_params(struct ath_hw *ah, |
1181 | struct ath_hw_radar_conf *conf) | |
1182 | { | |
1183 | u32 radar_0 = 0, radar_1 = 0; | |
1184 | ||
1185 | if (!conf) { | |
1186 | REG_CLR_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_ENA); | |
1187 | return; | |
1188 | } | |
1189 | ||
1190 | radar_0 |= AR_PHY_RADAR_0_ENA | AR_PHY_RADAR_0_FFT_ENA; | |
1191 | radar_0 |= SM(conf->fir_power, AR_PHY_RADAR_0_FIRPWR); | |
1192 | radar_0 |= SM(conf->radar_rssi, AR_PHY_RADAR_0_RRSSI); | |
1193 | radar_0 |= SM(conf->pulse_height, AR_PHY_RADAR_0_HEIGHT); | |
1194 | radar_0 |= SM(conf->pulse_rssi, AR_PHY_RADAR_0_PRSSI); | |
1195 | radar_0 |= SM(conf->pulse_inband, AR_PHY_RADAR_0_INBAND); | |
1196 | ||
1197 | radar_1 |= AR_PHY_RADAR_1_MAX_RRSSI; | |
1198 | radar_1 |= AR_PHY_RADAR_1_BLOCK_CHECK; | |
1199 | radar_1 |= SM(conf->pulse_maxlen, AR_PHY_RADAR_1_MAXLEN); | |
1200 | radar_1 |= SM(conf->pulse_inband_step, AR_PHY_RADAR_1_RELSTEP_THRESH); | |
1201 | radar_1 |= SM(conf->radar_inband, AR_PHY_RADAR_1_RELPWR_THRESH); | |
1202 | ||
1203 | REG_WRITE(ah, AR_PHY_RADAR_0, radar_0); | |
1204 | REG_WRITE(ah, AR_PHY_RADAR_1, radar_1); | |
1205 | if (conf->ext_channel) | |
1206 | REG_SET_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA); | |
1207 | else | |
1208 | REG_CLR_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA); | |
1209 | } | |
1210 | ||
c5d0855a FF |
1211 | static void ar9003_hw_set_radar_conf(struct ath_hw *ah) |
1212 | { | |
1213 | struct ath_hw_radar_conf *conf = &ah->radar_conf; | |
1214 | ||
1215 | conf->fir_power = -28; | |
1216 | conf->radar_rssi = 0; | |
1217 | conf->pulse_height = 10; | |
1218 | conf->pulse_rssi = 24; | |
1219 | conf->pulse_inband = 8; | |
1220 | conf->pulse_maxlen = 255; | |
1221 | conf->pulse_inband_step = 12; | |
1222 | conf->radar_inband = 8; | |
1223 | } | |
1224 | ||
6bcbc062 MSS |
1225 | static void ar9003_hw_antdiv_comb_conf_get(struct ath_hw *ah, |
1226 | struct ath_hw_antcomb_conf *antconf) | |
1227 | { | |
1228 | u32 regval; | |
1229 | ||
1230 | regval = REG_READ(ah, AR_PHY_MC_GAIN_CTRL); | |
1231 | antconf->main_lna_conf = (regval & AR_PHY_9485_ANT_DIV_MAIN_LNACONF) >> | |
1232 | AR_PHY_9485_ANT_DIV_MAIN_LNACONF_S; | |
1233 | antconf->alt_lna_conf = (regval & AR_PHY_9485_ANT_DIV_ALT_LNACONF) >> | |
1234 | AR_PHY_9485_ANT_DIV_ALT_LNACONF_S; | |
1235 | antconf->fast_div_bias = (regval & AR_PHY_9485_ANT_FAST_DIV_BIAS) >> | |
1236 | AR_PHY_9485_ANT_FAST_DIV_BIAS_S; | |
cd0ed1b5 | 1237 | |
c4cf2c58 GJ |
1238 | if (AR_SREV_9330_11(ah)) { |
1239 | antconf->lna1_lna2_delta = -9; | |
1240 | antconf->div_group = 1; | |
1241 | } else if (AR_SREV_9485(ah)) { | |
cd0ed1b5 GJ |
1242 | antconf->lna1_lna2_delta = -9; |
1243 | antconf->div_group = 2; | |
1244 | } else { | |
1245 | antconf->lna1_lna2_delta = -3; | |
1246 | antconf->div_group = 0; | |
1247 | } | |
6bcbc062 MSS |
1248 | } |
1249 | ||
1250 | static void ar9003_hw_antdiv_comb_conf_set(struct ath_hw *ah, | |
1251 | struct ath_hw_antcomb_conf *antconf) | |
1252 | { | |
1253 | u32 regval; | |
1254 | ||
1255 | regval = REG_READ(ah, AR_PHY_MC_GAIN_CTRL); | |
1256 | regval &= ~(AR_PHY_9485_ANT_DIV_MAIN_LNACONF | | |
1257 | AR_PHY_9485_ANT_DIV_ALT_LNACONF | | |
1258 | AR_PHY_9485_ANT_FAST_DIV_BIAS | | |
1259 | AR_PHY_9485_ANT_DIV_MAIN_GAINTB | | |
1260 | AR_PHY_9485_ANT_DIV_ALT_GAINTB); | |
1261 | regval |= ((antconf->main_lna_conf << | |
1262 | AR_PHY_9485_ANT_DIV_MAIN_LNACONF_S) | |
1263 | & AR_PHY_9485_ANT_DIV_MAIN_LNACONF); | |
1264 | regval |= ((antconf->alt_lna_conf << AR_PHY_9485_ANT_DIV_ALT_LNACONF_S) | |
1265 | & AR_PHY_9485_ANT_DIV_ALT_LNACONF); | |
1266 | regval |= ((antconf->fast_div_bias << AR_PHY_9485_ANT_FAST_DIV_BIAS_S) | |
1267 | & AR_PHY_9485_ANT_FAST_DIV_BIAS); | |
1268 | regval |= ((antconf->main_gaintb << AR_PHY_9485_ANT_DIV_MAIN_GAINTB_S) | |
1269 | & AR_PHY_9485_ANT_DIV_MAIN_GAINTB); | |
1270 | regval |= ((antconf->alt_gaintb << AR_PHY_9485_ANT_DIV_ALT_GAINTB_S) | |
1271 | & AR_PHY_9485_ANT_DIV_ALT_GAINTB); | |
1272 | ||
1273 | REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, regval); | |
1274 | } | |
1275 | ||
5f0c04ea RM |
1276 | static int ar9003_hw_fast_chan_change(struct ath_hw *ah, |
1277 | struct ath9k_channel *chan, | |
1278 | u8 *ini_reloaded) | |
1279 | { | |
1280 | unsigned int regWrites = 0; | |
1281 | u32 modesIndex; | |
1282 | ||
1283 | switch (chan->chanmode) { | |
1284 | case CHANNEL_A: | |
1285 | case CHANNEL_A_HT20: | |
1286 | modesIndex = 1; | |
1287 | break; | |
1288 | case CHANNEL_A_HT40PLUS: | |
1289 | case CHANNEL_A_HT40MINUS: | |
1290 | modesIndex = 2; | |
1291 | break; | |
1292 | case CHANNEL_G: | |
1293 | case CHANNEL_G_HT20: | |
1294 | case CHANNEL_B: | |
1295 | modesIndex = 4; | |
1296 | break; | |
1297 | case CHANNEL_G_HT40PLUS: | |
1298 | case CHANNEL_G_HT40MINUS: | |
1299 | modesIndex = 3; | |
1300 | break; | |
1301 | ||
1302 | default: | |
1303 | return -EINVAL; | |
1304 | } | |
1305 | ||
1306 | if (modesIndex == ah->modes_index) { | |
1307 | *ini_reloaded = false; | |
1308 | goto set_rfmode; | |
1309 | } | |
1310 | ||
1311 | ar9003_hw_prog_ini(ah, &ah->iniSOC[ATH_INI_POST], modesIndex); | |
1312 | ar9003_hw_prog_ini(ah, &ah->iniMac[ATH_INI_POST], modesIndex); | |
1313 | ar9003_hw_prog_ini(ah, &ah->iniBB[ATH_INI_POST], modesIndex); | |
1314 | ar9003_hw_prog_ini(ah, &ah->iniRadio[ATH_INI_POST], modesIndex); | |
aaa53ee9 | 1315 | |
423e38e8 | 1316 | if (AR_SREV_9462_20(ah)) |
aaa53ee9 SM |
1317 | ar9003_hw_prog_ini(ah, &ah->ini_radio_post_sys2ant, |
1318 | modesIndex); | |
5f0c04ea RM |
1319 | |
1320 | REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites); | |
1321 | ||
1322 | /* | |
1323 | * For 5GHz channels requiring Fast Clock, apply | |
1324 | * different modal values. | |
1325 | */ | |
1326 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) | |
c7d36f9f | 1327 | REG_WRITE_ARRAY(&ah->iniModesFastClock, modesIndex, regWrites); |
5f0c04ea | 1328 | |
aaa53ee9 SM |
1329 | if (AR_SREV_9565(ah)) |
1330 | REG_WRITE_ARRAY(&ah->iniModesFastClock, 1, regWrites); | |
1331 | ||
c7d36f9f | 1332 | REG_WRITE_ARRAY(&ah->iniAdditional, 1, regWrites); |
5f0c04ea RM |
1333 | |
1334 | ah->modes_index = modesIndex; | |
1335 | *ini_reloaded = true; | |
1336 | ||
1337 | set_rfmode: | |
1338 | ar9003_hw_set_rfmode(ah, chan); | |
1339 | return 0; | |
1340 | } | |
1341 | ||
8525f280 LR |
1342 | void ar9003_hw_attach_phy_ops(struct ath_hw *ah) |
1343 | { | |
1344 | struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah); | |
6bcbc062 | 1345 | struct ath_hw_ops *ops = ath9k_hw_ops(ah); |
07b2fa5a | 1346 | static const u32 ar9300_cca_regs[6] = { |
bbacee13 FF |
1347 | AR_PHY_CCA_0, |
1348 | AR_PHY_CCA_1, | |
1349 | AR_PHY_CCA_2, | |
1350 | AR_PHY_EXT_CCA, | |
1351 | AR_PHY_EXT_CCA_1, | |
1352 | AR_PHY_EXT_CCA_2, | |
1353 | }; | |
8525f280 LR |
1354 | |
1355 | priv_ops->rf_set_freq = ar9003_hw_set_channel; | |
1356 | priv_ops->spur_mitigate_freq = ar9003_hw_spur_mitigate; | |
1357 | priv_ops->compute_pll_control = ar9003_hw_compute_pll_control; | |
1358 | priv_ops->set_channel_regs = ar9003_hw_set_channel_regs; | |
1359 | priv_ops->init_bb = ar9003_hw_init_bb; | |
1360 | priv_ops->process_ini = ar9003_hw_process_ini; | |
1361 | priv_ops->set_rfmode = ar9003_hw_set_rfmode; | |
1362 | priv_ops->mark_phy_inactive = ar9003_hw_mark_phy_inactive; | |
1363 | priv_ops->set_delta_slope = ar9003_hw_set_delta_slope; | |
1364 | priv_ops->rfbus_req = ar9003_hw_rfbus_req; | |
1365 | priv_ops->rfbus_done = ar9003_hw_rfbus_done; | |
c16fcb49 | 1366 | priv_ops->ani_control = ar9003_hw_ani_control; |
641d9921 | 1367 | priv_ops->do_getnf = ar9003_hw_do_getnf; |
e36b27af | 1368 | priv_ops->ani_cache_ini_regs = ar9003_hw_ani_cache_ini_regs; |
4e8c14e9 | 1369 | priv_ops->set_radar_params = ar9003_hw_set_radar_params; |
5f0c04ea | 1370 | priv_ops->fast_chan_change = ar9003_hw_fast_chan_change; |
f2552e28 | 1371 | |
6bcbc062 MSS |
1372 | ops->antdiv_comb_conf_get = ar9003_hw_antdiv_comb_conf_get; |
1373 | ops->antdiv_comb_conf_set = ar9003_hw_antdiv_comb_conf_set; | |
1374 | ||
f2552e28 | 1375 | ar9003_hw_set_nf_limits(ah); |
c5d0855a | 1376 | ar9003_hw_set_radar_conf(ah); |
bbacee13 | 1377 | memcpy(ah->nf_regs, ar9300_cca_regs, sizeof(ah->nf_regs)); |
8525f280 | 1378 | } |
aea702b7 LR |
1379 | |
1380 | void ar9003_hw_bb_watchdog_config(struct ath_hw *ah) | |
1381 | { | |
1382 | struct ath_common *common = ath9k_hw_common(ah); | |
1383 | u32 idle_tmo_ms = ah->bb_watchdog_timeout_ms; | |
1384 | u32 val, idle_count; | |
1385 | ||
1386 | if (!idle_tmo_ms) { | |
1387 | /* disable IRQ, disable chip-reset for BB panic */ | |
1388 | REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_2, | |
1389 | REG_READ(ah, AR_PHY_WATCHDOG_CTL_2) & | |
1390 | ~(AR_PHY_WATCHDOG_RST_ENABLE | | |
1391 | AR_PHY_WATCHDOG_IRQ_ENABLE)); | |
1392 | ||
1393 | /* disable watchdog in non-IDLE mode, disable in IDLE mode */ | |
1394 | REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_1, | |
1395 | REG_READ(ah, AR_PHY_WATCHDOG_CTL_1) & | |
1396 | ~(AR_PHY_WATCHDOG_NON_IDLE_ENABLE | | |
1397 | AR_PHY_WATCHDOG_IDLE_ENABLE)); | |
1398 | ||
d2182b69 | 1399 | ath_dbg(common, RESET, "Disabled BB Watchdog\n"); |
aea702b7 LR |
1400 | return; |
1401 | } | |
1402 | ||
1403 | /* enable IRQ, disable chip-reset for BB watchdog */ | |
1404 | val = REG_READ(ah, AR_PHY_WATCHDOG_CTL_2) & AR_PHY_WATCHDOG_CNTL2_MASK; | |
1405 | REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_2, | |
1406 | (val | AR_PHY_WATCHDOG_IRQ_ENABLE) & | |
1407 | ~AR_PHY_WATCHDOG_RST_ENABLE); | |
1408 | ||
1409 | /* bound limit to 10 secs */ | |
1410 | if (idle_tmo_ms > 10000) | |
1411 | idle_tmo_ms = 10000; | |
1412 | ||
1413 | /* | |
1414 | * The time unit for watchdog event is 2^15 44/88MHz cycles. | |
1415 | * | |
1416 | * For HT20 we have a time unit of 2^15/44 MHz = .74 ms per tick | |
1417 | * For HT40 we have a time unit of 2^15/88 MHz = .37 ms per tick | |
1418 | * | |
1419 | * Given we use fast clock now in 5 GHz, these time units should | |
1420 | * be common for both 2 GHz and 5 GHz. | |
1421 | */ | |
1422 | idle_count = (100 * idle_tmo_ms) / 74; | |
1423 | if (ah->curchan && IS_CHAN_HT40(ah->curchan)) | |
1424 | idle_count = (100 * idle_tmo_ms) / 37; | |
1425 | ||
1426 | /* | |
1427 | * enable watchdog in non-IDLE mode, disable in IDLE mode, | |
1428 | * set idle time-out. | |
1429 | */ | |
1430 | REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_1, | |
1431 | AR_PHY_WATCHDOG_NON_IDLE_ENABLE | | |
1432 | AR_PHY_WATCHDOG_IDLE_MASK | | |
1433 | (AR_PHY_WATCHDOG_NON_IDLE_MASK & (idle_count << 2))); | |
1434 | ||
d2182b69 | 1435 | ath_dbg(common, RESET, "Enabled BB Watchdog timeout (%u ms)\n", |
226afe68 | 1436 | idle_tmo_ms); |
aea702b7 LR |
1437 | } |
1438 | ||
1439 | void ar9003_hw_bb_watchdog_read(struct ath_hw *ah) | |
1440 | { | |
1441 | /* | |
1442 | * we want to avoid printing in ISR context so we save the | |
1443 | * watchdog status to be printed later in bottom half context. | |
1444 | */ | |
1445 | ah->bb_watchdog_last_status = REG_READ(ah, AR_PHY_WATCHDOG_STATUS); | |
1446 | ||
1447 | /* | |
1448 | * the watchdog timer should reset on status read but to be sure | |
1449 | * sure we write 0 to the watchdog status bit. | |
1450 | */ | |
1451 | REG_WRITE(ah, AR_PHY_WATCHDOG_STATUS, | |
1452 | ah->bb_watchdog_last_status & ~AR_PHY_WATCHDOG_STATUS_CLR); | |
1453 | } | |
1454 | ||
1455 | void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah) | |
1456 | { | |
1457 | struct ath_common *common = ath9k_hw_common(ah); | |
9dbebc7f | 1458 | u32 status; |
aea702b7 LR |
1459 | |
1460 | if (likely(!(common->debug_mask & ATH_DBG_RESET))) | |
1461 | return; | |
1462 | ||
1463 | status = ah->bb_watchdog_last_status; | |
d2182b69 | 1464 | ath_dbg(common, RESET, |
226afe68 | 1465 | "\n==== BB update: BB status=0x%08x ====\n", status); |
d2182b69 | 1466 | ath_dbg(common, RESET, |
226afe68 JP |
1467 | "** BB state: wd=%u det=%u rdar=%u rOFDM=%d rCCK=%u tOFDM=%u tCCK=%u agc=%u src=%u **\n", |
1468 | MS(status, AR_PHY_WATCHDOG_INFO), | |
1469 | MS(status, AR_PHY_WATCHDOG_DET_HANG), | |
1470 | MS(status, AR_PHY_WATCHDOG_RADAR_SM), | |
1471 | MS(status, AR_PHY_WATCHDOG_RX_OFDM_SM), | |
1472 | MS(status, AR_PHY_WATCHDOG_RX_CCK_SM), | |
1473 | MS(status, AR_PHY_WATCHDOG_TX_OFDM_SM), | |
1474 | MS(status, AR_PHY_WATCHDOG_TX_CCK_SM), | |
1475 | MS(status, AR_PHY_WATCHDOG_AGC_SM), | |
1476 | MS(status, AR_PHY_WATCHDOG_SRCH_SM)); | |
1477 | ||
d2182b69 | 1478 | ath_dbg(common, RESET, "** BB WD cntl: cntl1=0x%08x cntl2=0x%08x **\n", |
226afe68 JP |
1479 | REG_READ(ah, AR_PHY_WATCHDOG_CTL_1), |
1480 | REG_READ(ah, AR_PHY_WATCHDOG_CTL_2)); | |
d2182b69 | 1481 | ath_dbg(common, RESET, "** BB mode: BB_gen_controls=0x%08x **\n", |
226afe68 | 1482 | REG_READ(ah, AR_PHY_GEN_CTRL)); |
aea702b7 | 1483 | |
b5bfc568 FF |
1484 | #define PCT(_field) (common->cc_survey._field * 100 / common->cc_survey.cycles) |
1485 | if (common->cc_survey.cycles) | |
d2182b69 | 1486 | ath_dbg(common, RESET, |
226afe68 JP |
1487 | "** BB busy times: rx_clear=%d%%, rx_frame=%d%%, tx_frame=%d%% **\n", |
1488 | PCT(rx_busy), PCT(rx_frame), PCT(tx_frame)); | |
aea702b7 | 1489 | |
d2182b69 | 1490 | ath_dbg(common, RESET, "==== BB update: done ====\n\n"); |
aea702b7 LR |
1491 | } |
1492 | EXPORT_SYMBOL(ar9003_hw_bb_watchdog_dbg_info); | |
51ac8cbb RM |
1493 | |
1494 | void ar9003_hw_disable_phy_restart(struct ath_hw *ah) | |
1495 | { | |
1496 | u32 val; | |
1497 | ||
1498 | /* While receiving unsupported rate frame rx state machine | |
1499 | * gets into a state 0xb and if phy_restart happens in that | |
1500 | * state, BB would go hang. If RXSM is in 0xb state after | |
1501 | * first bb panic, ensure to disable the phy_restart. | |
1502 | */ | |
1503 | if (!((MS(ah->bb_watchdog_last_status, | |
1504 | AR_PHY_WATCHDOG_RX_OFDM_SM) == 0xb) || | |
1505 | ah->bb_hang_rx_ofdm)) | |
1506 | return; | |
1507 | ||
1508 | ah->bb_hang_rx_ofdm = true; | |
1509 | val = REG_READ(ah, AR_PHY_RESTART); | |
1510 | val &= ~AR_PHY_RESTART_ENA; | |
1511 | ||
1512 | REG_WRITE(ah, AR_PHY_RESTART, val); | |
1513 | } | |
1514 | EXPORT_SYMBOL(ar9003_hw_disable_phy_restart); |