blob: 2578411c6019285e62f56bab42a55b900dceb3cf [file] [log] [blame]
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001/*
2 * Copyright (c) 2008 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include <linux/io.h>
18#include <asm/unaligned.h>
19
20#include "core.h"
21#include "hw.h"
22#include "reg.h"
23#include "phy.h"
24#include "initvals.h"
25
26static void ath9k_hw_iqcal_collect(struct ath_hal *ah);
27static void ath9k_hw_iqcalibrate(struct ath_hal *ah, u8 numChains);
28static void ath9k_hw_adc_gaincal_collect(struct ath_hal *ah);
29static void ath9k_hw_adc_gaincal_calibrate(struct ath_hal *ah,
30 u8 numChains);
31static void ath9k_hw_adc_dccal_collect(struct ath_hal *ah);
32static void ath9k_hw_adc_dccal_calibrate(struct ath_hal *ah,
33 u8 numChains);
34
35static const u8 CLOCK_RATE[] = { 40, 80, 22, 44, 88, 40 };
36static const int16_t NOISE_FLOOR[] = { -96, -93, -98, -96, -93, -96 };
37
38static const struct hal_percal_data iq_cal_multi_sample = {
39 IQ_MISMATCH_CAL,
40 MAX_CAL_SAMPLES,
41 PER_MIN_LOG_COUNT,
42 ath9k_hw_iqcal_collect,
43 ath9k_hw_iqcalibrate
44};
45static const struct hal_percal_data iq_cal_single_sample = {
46 IQ_MISMATCH_CAL,
47 MIN_CAL_SAMPLES,
48 PER_MAX_LOG_COUNT,
49 ath9k_hw_iqcal_collect,
50 ath9k_hw_iqcalibrate
51};
52static const struct hal_percal_data adc_gain_cal_multi_sample = {
53 ADC_GAIN_CAL,
54 MAX_CAL_SAMPLES,
55 PER_MIN_LOG_COUNT,
56 ath9k_hw_adc_gaincal_collect,
57 ath9k_hw_adc_gaincal_calibrate
58};
59static const struct hal_percal_data adc_gain_cal_single_sample = {
60 ADC_GAIN_CAL,
61 MIN_CAL_SAMPLES,
62 PER_MAX_LOG_COUNT,
63 ath9k_hw_adc_gaincal_collect,
64 ath9k_hw_adc_gaincal_calibrate
65};
66static const struct hal_percal_data adc_dc_cal_multi_sample = {
67 ADC_DC_CAL,
68 MAX_CAL_SAMPLES,
69 PER_MIN_LOG_COUNT,
70 ath9k_hw_adc_dccal_collect,
71 ath9k_hw_adc_dccal_calibrate
72};
73static const struct hal_percal_data adc_dc_cal_single_sample = {
74 ADC_DC_CAL,
75 MIN_CAL_SAMPLES,
76 PER_MAX_LOG_COUNT,
77 ath9k_hw_adc_dccal_collect,
78 ath9k_hw_adc_dccal_calibrate
79};
80static const struct hal_percal_data adc_init_dc_cal = {
81 ADC_DC_INIT_CAL,
82 MIN_CAL_SAMPLES,
83 INIT_LOG_COUNT,
84 ath9k_hw_adc_dccal_collect,
85 ath9k_hw_adc_dccal_calibrate
86};
87
Luis R. Rodriguezf078f202008-08-04 00:16:41 -070088static struct ath9k_rate_table ar5416_11a_table = {
89 8,
90 {0},
91 {
92 {true, PHY_OFDM, 6000, 0x0b, 0x00, (0x80 | 12), 0},
93 {true, PHY_OFDM, 9000, 0x0f, 0x00, 18, 0},
94 {true, PHY_OFDM, 12000, 0x0a, 0x00, (0x80 | 24), 2},
95 {true, PHY_OFDM, 18000, 0x0e, 0x00, 36, 2},
96 {true, PHY_OFDM, 24000, 0x09, 0x00, (0x80 | 48), 4},
97 {true, PHY_OFDM, 36000, 0x0d, 0x00, 72, 4},
98 {true, PHY_OFDM, 48000, 0x08, 0x00, 96, 4},
99 {true, PHY_OFDM, 54000, 0x0c, 0x00, 108, 4}
100 },
101};
102
103static struct ath9k_rate_table ar5416_11b_table = {
104 4,
105 {0},
106 {
107 {true, PHY_CCK, 1000, 0x1b, 0x00, (0x80 | 2), 0},
108 {true, PHY_CCK, 2000, 0x1a, 0x04, (0x80 | 4), 1},
109 {true, PHY_CCK, 5500, 0x19, 0x04, (0x80 | 11), 1},
110 {true, PHY_CCK, 11000, 0x18, 0x04, (0x80 | 22), 1}
111 },
112};
113
114static struct ath9k_rate_table ar5416_11g_table = {
115 12,
116 {0},
117 {
118 {true, PHY_CCK, 1000, 0x1b, 0x00, (0x80 | 2), 0},
119 {true, PHY_CCK, 2000, 0x1a, 0x04, (0x80 | 4), 1},
120 {true, PHY_CCK, 5500, 0x19, 0x04, (0x80 | 11), 2},
121 {true, PHY_CCK, 11000, 0x18, 0x04, (0x80 | 22), 3},
122
123 {false, PHY_OFDM, 6000, 0x0b, 0x00, 12, 4},
124 {false, PHY_OFDM, 9000, 0x0f, 0x00, 18, 4},
125 {true, PHY_OFDM, 12000, 0x0a, 0x00, 24, 6},
126 {true, PHY_OFDM, 18000, 0x0e, 0x00, 36, 6},
127 {true, PHY_OFDM, 24000, 0x09, 0x00, 48, 8},
128 {true, PHY_OFDM, 36000, 0x0d, 0x00, 72, 8},
129 {true, PHY_OFDM, 48000, 0x08, 0x00, 96, 8},
130 {true, PHY_OFDM, 54000, 0x0c, 0x00, 108, 8}
131 },
132};
133
134static struct ath9k_rate_table ar5416_11ng_table = {
135 28,
136 {0},
137 {
138 {true, PHY_CCK, 1000, 0x1b, 0x00, (0x80 | 2), 0},
139 {true, PHY_CCK, 2000, 0x1a, 0x04, (0x80 | 4), 1},
140 {true, PHY_CCK, 5500, 0x19, 0x04, (0x80 | 11), 2},
141 {true, PHY_CCK, 11000, 0x18, 0x04, (0x80 | 22), 3},
142
143 {false, PHY_OFDM, 6000, 0x0b, 0x00, 12, 4},
144 {false, PHY_OFDM, 9000, 0x0f, 0x00, 18, 4},
145 {true, PHY_OFDM, 12000, 0x0a, 0x00, 24, 6},
146 {true, PHY_OFDM, 18000, 0x0e, 0x00, 36, 6},
147 {true, PHY_OFDM, 24000, 0x09, 0x00, 48, 8},
148 {true, PHY_OFDM, 36000, 0x0d, 0x00, 72, 8},
149 {true, PHY_OFDM, 48000, 0x08, 0x00, 96, 8},
150 {true, PHY_OFDM, 54000, 0x0c, 0x00, 108, 8},
151 {true, PHY_HT, 6500, 0x80, 0x00, 0, 4},
152 {true, PHY_HT, 13000, 0x81, 0x00, 1, 6},
153 {true, PHY_HT, 19500, 0x82, 0x00, 2, 6},
154 {true, PHY_HT, 26000, 0x83, 0x00, 3, 8},
155 {true, PHY_HT, 39000, 0x84, 0x00, 4, 8},
156 {true, PHY_HT, 52000, 0x85, 0x00, 5, 8},
157 {true, PHY_HT, 58500, 0x86, 0x00, 6, 8},
158 {true, PHY_HT, 65000, 0x87, 0x00, 7, 8},
159 {true, PHY_HT, 13000, 0x88, 0x00, 8, 4},
160 {true, PHY_HT, 26000, 0x89, 0x00, 9, 6},
161 {true, PHY_HT, 39000, 0x8a, 0x00, 10, 6},
162 {true, PHY_HT, 52000, 0x8b, 0x00, 11, 8},
163 {true, PHY_HT, 78000, 0x8c, 0x00, 12, 8},
164 {true, PHY_HT, 104000, 0x8d, 0x00, 13, 8},
165 {true, PHY_HT, 117000, 0x8e, 0x00, 14, 8},
166 {true, PHY_HT, 130000, 0x8f, 0x00, 15, 8},
167 },
168};
169
170static struct ath9k_rate_table ar5416_11na_table = {
171 24,
172 {0},
173 {
174 {true, PHY_OFDM, 6000, 0x0b, 0x00, (0x80 | 12), 0},
175 {true, PHY_OFDM, 9000, 0x0f, 0x00, 18, 0},
176 {true, PHY_OFDM, 12000, 0x0a, 0x00, (0x80 | 24), 2},
177 {true, PHY_OFDM, 18000, 0x0e, 0x00, 36, 2},
178 {true, PHY_OFDM, 24000, 0x09, 0x00, (0x80 | 48), 4},
179 {true, PHY_OFDM, 36000, 0x0d, 0x00, 72, 4},
180 {true, PHY_OFDM, 48000, 0x08, 0x00, 96, 4},
181 {true, PHY_OFDM, 54000, 0x0c, 0x00, 108, 4},
182 {true, PHY_HT, 6500, 0x80, 0x00, 0, 0},
183 {true, PHY_HT, 13000, 0x81, 0x00, 1, 2},
184 {true, PHY_HT, 19500, 0x82, 0x00, 2, 2},
185 {true, PHY_HT, 26000, 0x83, 0x00, 3, 4},
186 {true, PHY_HT, 39000, 0x84, 0x00, 4, 4},
187 {true, PHY_HT, 52000, 0x85, 0x00, 5, 4},
188 {true, PHY_HT, 58500, 0x86, 0x00, 6, 4},
189 {true, PHY_HT, 65000, 0x87, 0x00, 7, 4},
190 {true, PHY_HT, 13000, 0x88, 0x00, 8, 0},
191 {true, PHY_HT, 26000, 0x89, 0x00, 9, 2},
192 {true, PHY_HT, 39000, 0x8a, 0x00, 10, 2},
193 {true, PHY_HT, 52000, 0x8b, 0x00, 11, 4},
194 {true, PHY_HT, 78000, 0x8c, 0x00, 12, 4},
195 {true, PHY_HT, 104000, 0x8d, 0x00, 13, 4},
196 {true, PHY_HT, 117000, 0x8e, 0x00, 14, 4},
197 {true, PHY_HT, 130000, 0x8f, 0x00, 15, 4},
198 },
199};
200
201static enum wireless_mode ath9k_hw_chan2wmode(struct ath_hal *ah,
202 const struct ath9k_channel *chan)
203{
204 if (IS_CHAN_CCK(chan))
Sujith86b89ee2008-08-07 10:54:57 +0530205 return ATH9K_MODE_11A;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700206 if (IS_CHAN_G(chan))
Sujith86b89ee2008-08-07 10:54:57 +0530207 return ATH9K_MODE_11G;
208 return ATH9K_MODE_11A;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700209}
210
211static bool ath9k_hw_wait(struct ath_hal *ah,
212 u32 reg,
213 u32 mask,
214 u32 val)
215{
216 int i;
217
218 for (i = 0; i < (AH_TIMEOUT / AH_TIME_QUANTUM); i++) {
219 if ((REG_READ(ah, reg) & mask) == val)
220 return true;
221
222 udelay(AH_TIME_QUANTUM);
223 }
224 DPRINTF(ah->ah_sc, ATH_DBG_PHY_IO,
225 "%s: timeout on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
226 __func__, reg, REG_READ(ah, reg), mask, val);
227 return false;
228}
229
230static bool ath9k_hw_eeprom_read(struct ath_hal *ah, u32 off,
231 u16 *data)
232{
233 (void) REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
234
235 if (!ath9k_hw_wait(ah,
236 AR_EEPROM_STATUS_DATA,
237 AR_EEPROM_STATUS_DATA_BUSY |
238 AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0)) {
239 return false;
240 }
241
242 *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA),
243 AR_EEPROM_STATUS_DATA_VAL);
244
245 return true;
246}
247
248static int ath9k_hw_flash_map(struct ath_hal *ah)
249{
250 struct ath_hal_5416 *ahp = AH5416(ah);
251
252 ahp->ah_cal_mem = ioremap(AR5416_EEPROM_START_ADDR, AR5416_EEPROM_MAX);
253
254 if (!ahp->ah_cal_mem) {
255 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
256 "%s: cannot remap eeprom region \n", __func__);
257 return -EIO;
258 }
259
260 return 0;
261}
262
263static bool ath9k_hw_flash_read(struct ath_hal *ah, u32 off,
264 u16 *data)
265{
266 struct ath_hal_5416 *ahp = AH5416(ah);
267
268 *data = ioread16(ahp->ah_cal_mem + off);
269 return true;
270}
271
272static void ath9k_hw_read_revisions(struct ath_hal *ah)
273{
274 u32 val;
275
276 val = REG_READ(ah, AR_SREV) & AR_SREV_ID;
277
278 if (val == 0xFF) {
279 val = REG_READ(ah, AR_SREV);
280
281 ah->ah_macVersion =
282 (val & AR_SREV_VERSION2) >> AR_SREV_TYPE2_S;
283
284 ah->ah_macRev = MS(val, AR_SREV_REVISION2);
285 ah->ah_isPciExpress =
286 (val & AR_SREV_TYPE2_HOST_MODE) ? 0 : 1;
287
288 } else {
289 if (!AR_SREV_9100(ah))
290 ah->ah_macVersion = MS(val, AR_SREV_VERSION);
291
292 ah->ah_macRev = val & AR_SREV_REVISION;
293
294 if (ah->ah_macVersion == AR_SREV_VERSION_5416_PCIE)
295 ah->ah_isPciExpress = true;
296 }
297}
298
299u32 ath9k_hw_reverse_bits(u32 val, u32 n)
300{
301 u32 retval;
302 int i;
303
304 for (i = 0, retval = 0; i < n; i++) {
305 retval = (retval << 1) | (val & 1);
306 val >>= 1;
307 }
308 return retval;
309}
310
311static void ath9k_hw_set_defaults(struct ath_hal *ah)
312{
313 int i;
314
Sujith60b67f52008-08-07 10:52:38 +0530315 ah->ah_config.dma_beacon_response_time = 2;
316 ah->ah_config.sw_beacon_response_time = 10;
317 ah->ah_config.additional_swba_backoff = 0;
318 ah->ah_config.ack_6mb = 0x0;
319 ah->ah_config.cwm_ignore_extcca = 0;
320 ah->ah_config.pcie_powersave_enable = 0;
321 ah->ah_config.pcie_l1skp_enable = 0;
322 ah->ah_config.pcie_clock_req = 0;
323 ah->ah_config.pcie_power_reset = 0x100;
324 ah->ah_config.pcie_restore = 0;
325 ah->ah_config.pcie_waen = 0;
326 ah->ah_config.analog_shiftreg = 1;
327 ah->ah_config.ht_enable = 1;
328 ah->ah_config.ofdm_trig_low = 200;
329 ah->ah_config.ofdm_trig_high = 500;
330 ah->ah_config.cck_trig_high = 200;
331 ah->ah_config.cck_trig_low = 100;
332 ah->ah_config.enable_ani = 0;
333 ah->ah_config.noise_immunity_level = 4;
334 ah->ah_config.ofdm_weaksignal_det = 1;
335 ah->ah_config.cck_weaksignal_thr = 0;
336 ah->ah_config.spur_immunity_level = 2;
337 ah->ah_config.firstep_level = 0;
338 ah->ah_config.rssi_thr_high = 40;
339 ah->ah_config.rssi_thr_low = 7;
340 ah->ah_config.diversity_control = 0;
341 ah->ah_config.antenna_switch_swap = 0;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700342
343 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
Sujith60b67f52008-08-07 10:52:38 +0530344 ah->ah_config.spurchans[i][0] = AR_NO_SPUR;
345 ah->ah_config.spurchans[i][1] = AR_NO_SPUR;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700346 }
347
Sujith60b67f52008-08-07 10:52:38 +0530348 ah->ah_config.intr_mitigation = 0;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700349}
350
Sujithff9b6622008-08-14 13:27:16 +0530351static void ath9k_hw_override_ini(struct ath_hal *ah,
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700352 struct ath9k_channel *chan)
353{
354 if (!AR_SREV_5416_V20_OR_LATER(ah)
355 || AR_SREV_9280_10_OR_LATER(ah))
356 return;
357
358 REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
359}
360
Sujithff9b6622008-08-14 13:27:16 +0530361static void ath9k_hw_init_bb(struct ath_hal *ah,
362 struct ath9k_channel *chan)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700363{
364 u32 synthDelay;
365
366 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
367 if (IS_CHAN_CCK(chan))
368 synthDelay = (4 * synthDelay) / 22;
369 else
370 synthDelay /= 10;
371
372 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
373
374 udelay(synthDelay + BASE_ACTIVATE_DELAY);
375}
376
Sujithff9b6622008-08-14 13:27:16 +0530377static void ath9k_hw_init_interrupt_masks(struct ath_hal *ah,
378 enum ath9k_opmode opmode)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700379{
380 struct ath_hal_5416 *ahp = AH5416(ah);
381
382 ahp->ah_maskReg = AR_IMR_TXERR |
383 AR_IMR_TXURN |
384 AR_IMR_RXERR |
385 AR_IMR_RXORN |
386 AR_IMR_BCNMISC;
387
388 if (ahp->ah_intrMitigation)
389 ahp->ah_maskReg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
390 else
391 ahp->ah_maskReg |= AR_IMR_RXOK;
392
393 ahp->ah_maskReg |= AR_IMR_TXOK;
394
395 if (opmode == ATH9K_M_HOSTAP)
396 ahp->ah_maskReg |= AR_IMR_MIB;
397
398 REG_WRITE(ah, AR_IMR, ahp->ah_maskReg);
399 REG_WRITE(ah, AR_IMR_S2, REG_READ(ah, AR_IMR_S2) | AR_IMR_S2_GTT);
400
401 if (!AR_SREV_9100(ah)) {
402 REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF);
403 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, AR_INTR_SYNC_DEFAULT);
404 REG_WRITE(ah, AR_INTR_SYNC_MASK, 0);
405 }
406}
407
Sujithff9b6622008-08-14 13:27:16 +0530408static void ath9k_hw_init_qos(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700409{
410 REG_WRITE(ah, AR_MIC_QOS_CONTROL, 0x100aa);
411 REG_WRITE(ah, AR_MIC_QOS_SELECT, 0x3210);
412
413 REG_WRITE(ah, AR_QOS_NO_ACK,
414 SM(2, AR_QOS_NO_ACK_TWO_BIT) |
415 SM(5, AR_QOS_NO_ACK_BIT_OFF) |
416 SM(0, AR_QOS_NO_ACK_BYTE_OFF));
417
418 REG_WRITE(ah, AR_TXOP_X, AR_TXOP_X_VAL);
419 REG_WRITE(ah, AR_TXOP_0_3, 0xFFFFFFFF);
420 REG_WRITE(ah, AR_TXOP_4_7, 0xFFFFFFFF);
421 REG_WRITE(ah, AR_TXOP_8_11, 0xFFFFFFFF);
422 REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF);
423}
424
425static void ath9k_hw_analog_shift_rmw(struct ath_hal *ah,
426 u32 reg,
427 u32 mask,
428 u32 shift,
429 u32 val)
430{
431 u32 regVal;
432
433 regVal = REG_READ(ah, reg) & ~mask;
434 regVal |= (val << shift) & mask;
435
436 REG_WRITE(ah, reg, regVal);
437
Sujith60b67f52008-08-07 10:52:38 +0530438 if (ah->ah_config.analog_shiftreg)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700439 udelay(100);
440
441 return;
442}
443
444static u8 ath9k_hw_get_num_ant_config(struct ath_hal_5416 *ahp,
Sujith06df8be2008-08-07 10:53:39 +0530445 enum ieee80211_band freq_band)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700446{
447 struct ar5416_eeprom *eep = &ahp->ah_eeprom;
448 struct modal_eep_header *pModal =
Sujith06df8be2008-08-07 10:53:39 +0530449 &(eep->modalHeader[IEEE80211_BAND_5GHZ == freq_band]);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700450 struct base_eep_header *pBase = &eep->baseEepHeader;
451 u8 num_ant_config;
452
453 num_ant_config = 1;
454
455 if (pBase->version >= 0x0E0D)
456 if (pModal->useAnt1)
457 num_ant_config += 1;
458
459 return num_ant_config;
460}
461
462static int
463ath9k_hw_get_eeprom_antenna_cfg(struct ath_hal_5416 *ahp,
464 struct ath9k_channel *chan,
465 u8 index,
466 u16 *config)
467{
468 struct ar5416_eeprom *eep = &ahp->ah_eeprom;
469 struct modal_eep_header *pModal =
470 &(eep->modalHeader[IS_CHAN_2GHZ(chan)]);
471 struct base_eep_header *pBase = &eep->baseEepHeader;
472
473 switch (index) {
474 case 0:
475 *config = pModal->antCtrlCommon & 0xFFFF;
476 return 0;
477 case 1:
478 if (pBase->version >= 0x0E0D) {
479 if (pModal->useAnt1) {
480 *config =
481 ((pModal->antCtrlCommon & 0xFFFF0000) >> 16);
482 return 0;
483 }
484 }
485 break;
486 default:
487 break;
488 }
489
490 return -EINVAL;
491}
492
493static inline bool ath9k_hw_nvram_read(struct ath_hal *ah,
494 u32 off,
495 u16 *data)
496{
497 if (ath9k_hw_use_flash(ah))
498 return ath9k_hw_flash_read(ah, off, data);
499 else
500 return ath9k_hw_eeprom_read(ah, off, data);
501}
502
Sujithff9b6622008-08-14 13:27:16 +0530503static bool ath9k_hw_fill_eeprom(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700504{
505 struct ath_hal_5416 *ahp = AH5416(ah);
506 struct ar5416_eeprom *eep = &ahp->ah_eeprom;
507 u16 *eep_data;
508 int addr, ar5416_eep_start_loc = 0;
509
510 if (!ath9k_hw_use_flash(ah)) {
511 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
512 "%s: Reading from EEPROM, not flash\n", __func__);
513 ar5416_eep_start_loc = 256;
514 }
515 if (AR_SREV_9100(ah))
516 ar5416_eep_start_loc = 256;
517
518 eep_data = (u16 *) eep;
519 for (addr = 0;
520 addr < sizeof(struct ar5416_eeprom) / sizeof(u16);
521 addr++) {
522 if (!ath9k_hw_nvram_read(ah, addr + ar5416_eep_start_loc,
523 eep_data)) {
524 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
525 "%s: Unable to read eeprom region \n",
526 __func__);
527 return false;
528 }
529 eep_data++;
530 }
531 return true;
532}
533
534/* XXX: Clean me up, make me more legible */
535static bool
536ath9k_hw_eeprom_set_board_values(struct ath_hal *ah,
537 struct ath9k_channel *chan)
538{
539 struct modal_eep_header *pModal;
540 int i, regChainOffset;
541 struct ath_hal_5416 *ahp = AH5416(ah);
542 struct ar5416_eeprom *eep = &ahp->ah_eeprom;
543 u8 txRxAttenLocal;
544 u16 ant_config;
545
546 pModal = &(eep->modalHeader[IS_CHAN_2GHZ(chan)]);
547
548 txRxAttenLocal = IS_CHAN_2GHZ(chan) ? 23 : 44;
549
550 ath9k_hw_get_eeprom_antenna_cfg(ahp, chan, 1, &ant_config);
551 REG_WRITE(ah, AR_PHY_SWITCH_COM, ant_config);
552
553 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
554 if (AR_SREV_9280(ah)) {
555 if (i >= 2)
556 break;
557 }
558
559 if (AR_SREV_5416_V20_OR_LATER(ah) &&
560 (ahp->ah_rxchainmask == 5 || ahp->ah_txchainmask == 5)
561 && (i != 0))
562 regChainOffset = (i == 1) ? 0x2000 : 0x1000;
563 else
564 regChainOffset = i * 0x1000;
565
566 REG_WRITE(ah, AR_PHY_SWITCH_CHAIN_0 + regChainOffset,
567 pModal->antCtrlChain[i]);
568
569 REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0) + regChainOffset,
570 (REG_READ(ah,
571 AR_PHY_TIMING_CTRL4(0) +
572 regChainOffset) &
573 ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF |
574 AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) |
575 SM(pModal->iqCalICh[i],
576 AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) |
577 SM(pModal->iqCalQCh[i],
578 AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
579
580 if ((i == 0) || AR_SREV_5416_V20_OR_LATER(ah)) {
581 if ((eep->baseEepHeader.version &
582 AR5416_EEP_VER_MINOR_MASK) >=
583 AR5416_EEP_MINOR_VER_3) {
584 txRxAttenLocal = pModal->txRxAttenCh[i];
585 if (AR_SREV_9280_10_OR_LATER(ah)) {
586 REG_RMW_FIELD(ah,
587 AR_PHY_GAIN_2GHZ +
588 regChainOffset,
589 AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN,
590 pModal->
591 bswMargin[i]);
592 REG_RMW_FIELD(ah,
593 AR_PHY_GAIN_2GHZ +
594 regChainOffset,
595 AR_PHY_GAIN_2GHZ_XATTEN1_DB,
596 pModal->
597 bswAtten[i]);
598 REG_RMW_FIELD(ah,
599 AR_PHY_GAIN_2GHZ +
600 regChainOffset,
601 AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN,
602 pModal->
603 xatten2Margin[i]);
604 REG_RMW_FIELD(ah,
605 AR_PHY_GAIN_2GHZ +
606 regChainOffset,
607 AR_PHY_GAIN_2GHZ_XATTEN2_DB,
608 pModal->
609 xatten2Db[i]);
610 } else {
611 REG_WRITE(ah,
612 AR_PHY_GAIN_2GHZ +
613 regChainOffset,
614 (REG_READ(ah,
615 AR_PHY_GAIN_2GHZ +
616 regChainOffset) &
617 ~AR_PHY_GAIN_2GHZ_BSW_MARGIN)
618 | SM(pModal->
619 bswMargin[i],
620 AR_PHY_GAIN_2GHZ_BSW_MARGIN));
621 REG_WRITE(ah,
622 AR_PHY_GAIN_2GHZ +
623 regChainOffset,
624 (REG_READ(ah,
625 AR_PHY_GAIN_2GHZ +
626 regChainOffset) &
627 ~AR_PHY_GAIN_2GHZ_BSW_ATTEN)
628 | SM(pModal->bswAtten[i],
629 AR_PHY_GAIN_2GHZ_BSW_ATTEN));
630 }
631 }
632 if (AR_SREV_9280_10_OR_LATER(ah)) {
633 REG_RMW_FIELD(ah,
634 AR_PHY_RXGAIN +
635 regChainOffset,
636 AR9280_PHY_RXGAIN_TXRX_ATTEN,
637 txRxAttenLocal);
638 REG_RMW_FIELD(ah,
639 AR_PHY_RXGAIN +
640 regChainOffset,
641 AR9280_PHY_RXGAIN_TXRX_MARGIN,
642 pModal->rxTxMarginCh[i]);
643 } else {
644 REG_WRITE(ah,
645 AR_PHY_RXGAIN + regChainOffset,
646 (REG_READ(ah,
647 AR_PHY_RXGAIN +
648 regChainOffset) &
649 ~AR_PHY_RXGAIN_TXRX_ATTEN) |
650 SM(txRxAttenLocal,
651 AR_PHY_RXGAIN_TXRX_ATTEN));
652 REG_WRITE(ah,
653 AR_PHY_GAIN_2GHZ +
654 regChainOffset,
655 (REG_READ(ah,
656 AR_PHY_GAIN_2GHZ +
657 regChainOffset) &
658 ~AR_PHY_GAIN_2GHZ_RXTX_MARGIN) |
659 SM(pModal->rxTxMarginCh[i],
660 AR_PHY_GAIN_2GHZ_RXTX_MARGIN));
661 }
662 }
663 }
664
665 if (AR_SREV_9280_10_OR_LATER(ah)) {
666 if (IS_CHAN_2GHZ(chan)) {
667 ath9k_hw_analog_shift_rmw(ah, AR_AN_RF2G1_CH0,
668 AR_AN_RF2G1_CH0_OB,
669 AR_AN_RF2G1_CH0_OB_S,
670 pModal->ob);
671 ath9k_hw_analog_shift_rmw(ah, AR_AN_RF2G1_CH0,
672 AR_AN_RF2G1_CH0_DB,
673 AR_AN_RF2G1_CH0_DB_S,
674 pModal->db);
675 ath9k_hw_analog_shift_rmw(ah, AR_AN_RF2G1_CH1,
676 AR_AN_RF2G1_CH1_OB,
677 AR_AN_RF2G1_CH1_OB_S,
678 pModal->ob_ch1);
679 ath9k_hw_analog_shift_rmw(ah, AR_AN_RF2G1_CH1,
680 AR_AN_RF2G1_CH1_DB,
681 AR_AN_RF2G1_CH1_DB_S,
682 pModal->db_ch1);
683 } else {
684 ath9k_hw_analog_shift_rmw(ah, AR_AN_RF5G1_CH0,
685 AR_AN_RF5G1_CH0_OB5,
686 AR_AN_RF5G1_CH0_OB5_S,
687 pModal->ob);
688 ath9k_hw_analog_shift_rmw(ah, AR_AN_RF5G1_CH0,
689 AR_AN_RF5G1_CH0_DB5,
690 AR_AN_RF5G1_CH0_DB5_S,
691 pModal->db);
692 ath9k_hw_analog_shift_rmw(ah, AR_AN_RF5G1_CH1,
693 AR_AN_RF5G1_CH1_OB5,
694 AR_AN_RF5G1_CH1_OB5_S,
695 pModal->ob_ch1);
696 ath9k_hw_analog_shift_rmw(ah, AR_AN_RF5G1_CH1,
697 AR_AN_RF5G1_CH1_DB5,
698 AR_AN_RF5G1_CH1_DB5_S,
699 pModal->db_ch1);
700 }
701 ath9k_hw_analog_shift_rmw(ah, AR_AN_TOP2,
702 AR_AN_TOP2_XPABIAS_LVL,
703 AR_AN_TOP2_XPABIAS_LVL_S,
704 pModal->xpaBiasLvl);
705 ath9k_hw_analog_shift_rmw(ah, AR_AN_TOP2,
706 AR_AN_TOP2_LOCALBIAS,
707 AR_AN_TOP2_LOCALBIAS_S,
708 pModal->local_bias);
709 DPRINTF(ah->ah_sc, ATH_DBG_ANY, "ForceXPAon: %d\n",
710 pModal->force_xpaon);
711 REG_RMW_FIELD(ah, AR_PHY_XPA_CFG, AR_PHY_FORCE_XPA_CFG,
712 pModal->force_xpaon);
713 }
714
715 REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_SWITCH,
716 pModal->switchSettling);
717 REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ, AR_PHY_DESIRED_SZ_ADC,
718 pModal->adcDesiredSize);
719
720 if (!AR_SREV_9280_10_OR_LATER(ah))
721 REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
722 AR_PHY_DESIRED_SZ_PGA,
723 pModal->pgaDesiredSize);
724
725 REG_WRITE(ah, AR_PHY_RF_CTL4,
726 SM(pModal->txEndToXpaOff, AR_PHY_RF_CTL4_TX_END_XPAA_OFF)
727 | SM(pModal->txEndToXpaOff,
728 AR_PHY_RF_CTL4_TX_END_XPAB_OFF)
729 | SM(pModal->txFrameToXpaOn,
730 AR_PHY_RF_CTL4_FRAME_XPAA_ON)
731 | SM(pModal->txFrameToXpaOn,
732 AR_PHY_RF_CTL4_FRAME_XPAB_ON));
733
734 REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_A2_RX_ON,
735 pModal->txEndToRxOn);
736 if (AR_SREV_9280_10_OR_LATER(ah)) {
737 REG_RMW_FIELD(ah, AR_PHY_CCA, AR9280_PHY_CCA_THRESH62,
738 pModal->thresh62);
739 REG_RMW_FIELD(ah, AR_PHY_EXT_CCA0,
740 AR_PHY_EXT_CCA0_THRESH62,
741 pModal->thresh62);
742 } else {
743 REG_RMW_FIELD(ah, AR_PHY_CCA, AR_PHY_CCA_THRESH62,
744 pModal->thresh62);
745 REG_RMW_FIELD(ah, AR_PHY_EXT_CCA,
746 AR_PHY_EXT_CCA_THRESH62,
747 pModal->thresh62);
748 }
749
750 if ((eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >=
751 AR5416_EEP_MINOR_VER_2) {
752 REG_RMW_FIELD(ah, AR_PHY_RF_CTL2,
753 AR_PHY_TX_END_DATA_START,
754 pModal->txFrameToDataStart);
755 REG_RMW_FIELD(ah, AR_PHY_RF_CTL2, AR_PHY_TX_END_PA_ON,
756 pModal->txFrameToPaOn);
757 }
758
759 if ((eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >=
760 AR5416_EEP_MINOR_VER_3) {
761 if (IS_CHAN_HT40(chan))
762 REG_RMW_FIELD(ah, AR_PHY_SETTLING,
763 AR_PHY_SETTLING_SWITCH,
764 pModal->swSettleHt40);
765 }
766
767 return true;
768}
769
Sujithff9b6622008-08-14 13:27:16 +0530770static int ath9k_hw_check_eeprom(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700771{
772 u32 sum = 0, el;
773 u16 *eepdata;
774 int i;
775 struct ath_hal_5416 *ahp = AH5416(ah);
776 bool need_swap = false;
777 struct ar5416_eeprom *eep =
778 (struct ar5416_eeprom *) &ahp->ah_eeprom;
779
780 if (!ath9k_hw_use_flash(ah)) {
781 u16 magic, magic2;
782 int addr;
783
784 if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET,
785 &magic)) {
786 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
787 "%s: Reading Magic # failed\n", __func__);
788 return false;
789 }
790 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "%s: Read Magic = 0x%04X\n",
791 __func__, magic);
792
793 if (magic != AR5416_EEPROM_MAGIC) {
794 magic2 = swab16(magic);
795
796 if (magic2 == AR5416_EEPROM_MAGIC) {
797 need_swap = true;
798 eepdata = (u16 *) (&ahp->ah_eeprom);
799
800 for (addr = 0;
801 addr <
802 sizeof(struct ar5416_eeprom) /
803 sizeof(u16); addr++) {
804 u16 temp;
805
806 temp = swab16(*eepdata);
807 *eepdata = temp;
808 eepdata++;
809
810 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
811 "0x%04X ", *eepdata);
812 if (((addr + 1) % 6) == 0)
813 DPRINTF(ah->ah_sc,
814 ATH_DBG_EEPROM,
815 "\n");
816 }
817 } else {
818 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
819 "Invalid EEPROM Magic. "
820 "endianness missmatch.\n");
821 return -EINVAL;
822 }
823 }
824 }
825 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "need_swap = %s.\n",
826 need_swap ? "True" : "False");
827
828 if (need_swap)
829 el = swab16(ahp->ah_eeprom.baseEepHeader.length);
830 else
831 el = ahp->ah_eeprom.baseEepHeader.length;
832
833 if (el > sizeof(struct ar5416_eeprom))
834 el = sizeof(struct ar5416_eeprom) / sizeof(u16);
835 else
836 el = el / sizeof(u16);
837
838 eepdata = (u16 *) (&ahp->ah_eeprom);
839
840 for (i = 0; i < el; i++)
841 sum ^= *eepdata++;
842
843 if (need_swap) {
844 u32 integer, j;
845 u16 word;
846
847 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
848 "EEPROM Endianness is not native.. Changing \n");
849
850 word = swab16(eep->baseEepHeader.length);
851 eep->baseEepHeader.length = word;
852
853 word = swab16(eep->baseEepHeader.checksum);
854 eep->baseEepHeader.checksum = word;
855
856 word = swab16(eep->baseEepHeader.version);
857 eep->baseEepHeader.version = word;
858
859 word = swab16(eep->baseEepHeader.regDmn[0]);
860 eep->baseEepHeader.regDmn[0] = word;
861
862 word = swab16(eep->baseEepHeader.regDmn[1]);
863 eep->baseEepHeader.regDmn[1] = word;
864
865 word = swab16(eep->baseEepHeader.rfSilent);
866 eep->baseEepHeader.rfSilent = word;
867
868 word = swab16(eep->baseEepHeader.blueToothOptions);
869 eep->baseEepHeader.blueToothOptions = word;
870
871 word = swab16(eep->baseEepHeader.deviceCap);
872 eep->baseEepHeader.deviceCap = word;
873
874 for (j = 0; j < ARRAY_SIZE(eep->modalHeader); j++) {
875 struct modal_eep_header *pModal =
876 &eep->modalHeader[j];
877 integer = swab32(pModal->antCtrlCommon);
878 pModal->antCtrlCommon = integer;
879
880 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
881 integer = swab32(pModal->antCtrlChain[i]);
882 pModal->antCtrlChain[i] = integer;
883 }
884
885 for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
886 word = swab16(pModal->spurChans[i].spurChan);
887 pModal->spurChans[i].spurChan = word;
888 }
889 }
890 }
891
892 if (sum != 0xffff || ar5416_get_eep_ver(ahp) != AR5416_EEP_VER ||
893 ar5416_get_eep_rev(ahp) < AR5416_EEP_NO_BACK_VER) {
894 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
895 "Bad EEPROM checksum 0x%x or revision 0x%04x\n",
896 sum, ar5416_get_eep_ver(ahp));
897 return -EINVAL;
898 }
899
900 return 0;
901}
902
903static bool ath9k_hw_chip_test(struct ath_hal *ah)
904{
905 u32 regAddr[2] = { AR_STA_ID0, AR_PHY_BASE + (8 << 2) };
906 u32 regHold[2];
907 u32 patternData[4] = { 0x55555555,
908 0xaaaaaaaa,
909 0x66666666,
910 0x99999999 };
911 int i, j;
912
913 for (i = 0; i < 2; i++) {
914 u32 addr = regAddr[i];
915 u32 wrData, rdData;
916
917 regHold[i] = REG_READ(ah, addr);
918 for (j = 0; j < 0x100; j++) {
919 wrData = (j << 16) | j;
920 REG_WRITE(ah, addr, wrData);
921 rdData = REG_READ(ah, addr);
922 if (rdData != wrData) {
923 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
924 "%s: address test failed "
925 "addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
926 __func__, addr, wrData, rdData);
927 return false;
928 }
929 }
930 for (j = 0; j < 4; j++) {
931 wrData = patternData[j];
932 REG_WRITE(ah, addr, wrData);
933 rdData = REG_READ(ah, addr);
934 if (wrData != rdData) {
935 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
936 "%s: address test failed "
937 "addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
938 __func__, addr, wrData, rdData);
939 return false;
940 }
941 }
942 REG_WRITE(ah, regAddr[i], regHold[i]);
943 }
944 udelay(100);
945 return true;
946}
947
948u32 ath9k_hw_getrxfilter(struct ath_hal *ah)
949{
950 u32 bits = REG_READ(ah, AR_RX_FILTER);
951 u32 phybits = REG_READ(ah, AR_PHY_ERR);
952
953 if (phybits & AR_PHY_ERR_RADAR)
954 bits |= ATH9K_RX_FILTER_PHYRADAR;
955 if (phybits & (AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING))
956 bits |= ATH9K_RX_FILTER_PHYERR;
957 return bits;
958}
959
960void ath9k_hw_setrxfilter(struct ath_hal *ah, u32 bits)
961{
962 u32 phybits;
963
964 REG_WRITE(ah, AR_RX_FILTER, (bits & 0xffff) | AR_RX_COMPR_BAR);
965 phybits = 0;
966 if (bits & ATH9K_RX_FILTER_PHYRADAR)
967 phybits |= AR_PHY_ERR_RADAR;
968 if (bits & ATH9K_RX_FILTER_PHYERR)
969 phybits |= AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING;
970 REG_WRITE(ah, AR_PHY_ERR, phybits);
971
972 if (phybits)
973 REG_WRITE(ah, AR_RXCFG,
974 REG_READ(ah, AR_RXCFG) | AR_RXCFG_ZLFDMA);
975 else
976 REG_WRITE(ah, AR_RXCFG,
977 REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_ZLFDMA);
978}
979
980bool ath9k_hw_setcapability(struct ath_hal *ah,
Sujith60b67f52008-08-07 10:52:38 +0530981 enum ath9k_capability_type type,
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700982 u32 capability,
983 u32 setting,
984 int *status)
985{
986 struct ath_hal_5416 *ahp = AH5416(ah);
987 u32 v;
988
989 switch (type) {
Sujith60b67f52008-08-07 10:52:38 +0530990 case ATH9K_CAP_TKIP_MIC:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700991 if (setting)
992 ahp->ah_staId1Defaults |=
993 AR_STA_ID1_CRPT_MIC_ENABLE;
994 else
995 ahp->ah_staId1Defaults &=
996 ~AR_STA_ID1_CRPT_MIC_ENABLE;
997 return true;
Sujith60b67f52008-08-07 10:52:38 +0530998 case ATH9K_CAP_DIVERSITY:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -0700999 v = REG_READ(ah, AR_PHY_CCK_DETECT);
1000 if (setting)
1001 v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
1002 else
1003 v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
1004 REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
1005 return true;
Sujith60b67f52008-08-07 10:52:38 +05301006 case ATH9K_CAP_MCAST_KEYSRCH:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001007 if (setting)
1008 ahp->ah_staId1Defaults |= AR_STA_ID1_MCAST_KSRCH;
1009 else
1010 ahp->ah_staId1Defaults &= ~AR_STA_ID1_MCAST_KSRCH;
1011 return true;
Sujith60b67f52008-08-07 10:52:38 +05301012 case ATH9K_CAP_TSF_ADJUST:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001013 if (setting)
1014 ahp->ah_miscMode |= AR_PCU_TX_ADD_TSF;
1015 else
1016 ahp->ah_miscMode &= ~AR_PCU_TX_ADD_TSF;
1017 return true;
1018 default:
1019 return false;
1020 }
1021}
1022
1023void ath9k_hw_dmaRegDump(struct ath_hal *ah)
1024{
1025 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
1026 int qcuOffset = 0, dcuOffset = 0;
1027 u32 *qcuBase = &val[0], *dcuBase = &val[4];
1028 int i;
1029
1030 REG_WRITE(ah, AR_MACMISC,
1031 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1032 (AR_MACMISC_MISC_OBS_BUS_1 <<
1033 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1034
1035 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "Raw DMA Debug values:\n");
1036 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
1037 if (i % 4 == 0)
1038 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "\n");
1039
1040 val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32)));
1041 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "%d: %08x ", i, val[i]);
1042 }
1043
1044 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "\n\n");
1045 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1046 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1047
1048 for (i = 0; i < ATH9K_NUM_QUEUES;
1049 i++, qcuOffset += 4, dcuOffset += 5) {
1050 if (i == 8) {
1051 qcuOffset = 0;
1052 qcuBase++;
1053 }
1054
1055 if (i == 6) {
1056 dcuOffset = 0;
1057 dcuBase++;
1058 }
1059
1060 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1061 "%2d %2x %1x %2x %2x\n",
1062 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1063 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset +
1064 3),
1065 val[2] & (0x7 << (i * 3)) >> (i * 3),
1066 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1067 }
1068
1069 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "\n");
1070 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1071 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
1072 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
1073 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1074 "qcu_complete state: %2x dcu_complete state: %2x\n",
1075 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
1076 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1077 "dcu_arb state: %2x dcu_fp state: %2x\n",
1078 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
1079 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1080 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
1081 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
1082 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1083 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
1084 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
1085 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1086 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
1087 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
1088
1089 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "pcu observe 0x%x \n",
1090 REG_READ(ah, AR_OBS_BUS_1));
1091 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1092 "AR_CR 0x%x \n", REG_READ(ah, AR_CR));
1093}
1094
1095u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hal *ah,
1096 u32 *rxc_pcnt,
1097 u32 *rxf_pcnt,
1098 u32 *txf_pcnt)
1099{
1100 static u32 cycles, rx_clear, rx_frame, tx_frame;
1101 u32 good = 1;
1102
1103 u32 rc = REG_READ(ah, AR_RCCNT);
1104 u32 rf = REG_READ(ah, AR_RFCNT);
1105 u32 tf = REG_READ(ah, AR_TFCNT);
1106 u32 cc = REG_READ(ah, AR_CCCNT);
1107
1108 if (cycles == 0 || cycles > cc) {
1109 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
1110 "%s: cycle counter wrap. ExtBusy = 0\n",
1111 __func__);
1112 good = 0;
1113 } else {
1114 u32 cc_d = cc - cycles;
1115 u32 rc_d = rc - rx_clear;
1116 u32 rf_d = rf - rx_frame;
1117 u32 tf_d = tf - tx_frame;
1118
1119 if (cc_d != 0) {
1120 *rxc_pcnt = rc_d * 100 / cc_d;
1121 *rxf_pcnt = rf_d * 100 / cc_d;
1122 *txf_pcnt = tf_d * 100 / cc_d;
1123 } else {
1124 good = 0;
1125 }
1126 }
1127
1128 cycles = cc;
1129 rx_frame = rf;
1130 rx_clear = rc;
1131 tx_frame = tf;
1132
1133 return good;
1134}
1135
1136void ath9k_hw_set11nmac2040(struct ath_hal *ah, enum ath9k_ht_macmode mode)
1137{
1138 u32 macmode;
1139
1140 if (mode == ATH9K_HT_MACMODE_2040 &&
Sujith60b67f52008-08-07 10:52:38 +05301141 !ah->ah_config.cwm_ignore_extcca)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001142 macmode = AR_2040_JOINED_RX_CLEAR;
1143 else
1144 macmode = 0;
1145
1146 REG_WRITE(ah, AR_2040_MODE, macmode);
1147}
1148
1149static void ath9k_hw_mark_phy_inactive(struct ath_hal *ah)
1150{
1151 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
1152}
1153
1154
1155static struct ath_hal_5416 *ath9k_hw_newstate(u16 devid,
1156 struct ath_softc *sc,
1157 void __iomem *mem,
1158 int *status)
1159{
1160 static const u8 defbssidmask[ETH_ALEN] =
1161 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1162 struct ath_hal_5416 *ahp;
1163 struct ath_hal *ah;
1164
1165 ahp = kzalloc(sizeof(struct ath_hal_5416), GFP_KERNEL);
1166 if (ahp == NULL) {
1167 DPRINTF(sc, ATH_DBG_FATAL,
1168 "%s: cannot allocate memory for state block\n",
1169 __func__);
1170 *status = -ENOMEM;
1171 return NULL;
1172 }
1173
1174 ah = &ahp->ah;
1175
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001176 ah->ah_sc = sc;
1177 ah->ah_sh = mem;
1178
Sujithd2d80ee2008-08-11 14:04:13 +05301179 ah->ah_magic = AR5416_MAGIC;
1180 ah->ah_countryCode = CTRY_DEFAULT;
1181
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001182 ah->ah_devid = devid;
1183 ah->ah_subvendorid = 0;
1184
1185 ah->ah_flags = 0;
1186 if ((devid == AR5416_AR9100_DEVID))
1187 ah->ah_macVersion = AR_SREV_VERSION_9100;
1188 if (!AR_SREV_9100(ah))
1189 ah->ah_flags = AH_USE_EEPROM;
1190
1191 ah->ah_powerLimit = MAX_RATE_POWER;
1192 ah->ah_tpScale = ATH9K_TP_SCALE_MAX;
1193
1194 ahp->ah_atimWindow = 0;
Sujith60b67f52008-08-07 10:52:38 +05301195 ahp->ah_diversityControl = ah->ah_config.diversity_control;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001196 ahp->ah_antennaSwitchSwap =
Sujith60b67f52008-08-07 10:52:38 +05301197 ah->ah_config.antenna_switch_swap;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001198
1199 ahp->ah_staId1Defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
1200 ahp->ah_beaconInterval = 100;
1201 ahp->ah_enable32kHzClock = DONT_USE_32KHZ;
1202 ahp->ah_slottime = (u32) -1;
1203 ahp->ah_acktimeout = (u32) -1;
1204 ahp->ah_ctstimeout = (u32) -1;
1205 ahp->ah_globaltxtimeout = (u32) -1;
1206 memcpy(&ahp->ah_bssidmask, defbssidmask, ETH_ALEN);
1207
1208 ahp->ah_gBeaconRate = 0;
1209
1210 return ahp;
1211}
1212
1213static int ath9k_hw_eeprom_attach(struct ath_hal *ah)
1214{
1215 int status;
1216
1217 if (ath9k_hw_use_flash(ah))
1218 ath9k_hw_flash_map(ah);
1219
1220 if (!ath9k_hw_fill_eeprom(ah))
1221 return -EIO;
1222
1223 status = ath9k_hw_check_eeprom(ah);
1224
1225 return status;
1226}
1227
1228u32 ath9k_hw_get_eeprom(struct ath_hal_5416 *ahp,
1229 enum eeprom_param param)
1230{
1231 struct ar5416_eeprom *eep = &ahp->ah_eeprom;
1232 struct modal_eep_header *pModal = eep->modalHeader;
1233 struct base_eep_header *pBase = &eep->baseEepHeader;
1234
1235 switch (param) {
1236 case EEP_NFTHRESH_5:
1237 return -pModal[0].noiseFloorThreshCh[0];
1238 case EEP_NFTHRESH_2:
1239 return -pModal[1].noiseFloorThreshCh[0];
1240 case AR_EEPROM_MAC(0):
1241 return pBase->macAddr[0] << 8 | pBase->macAddr[1];
1242 case AR_EEPROM_MAC(1):
1243 return pBase->macAddr[2] << 8 | pBase->macAddr[3];
1244 case AR_EEPROM_MAC(2):
1245 return pBase->macAddr[4] << 8 | pBase->macAddr[5];
1246 case EEP_REG_0:
1247 return pBase->regDmn[0];
1248 case EEP_REG_1:
1249 return pBase->regDmn[1];
1250 case EEP_OP_CAP:
1251 return pBase->deviceCap;
1252 case EEP_OP_MODE:
1253 return pBase->opCapFlags;
1254 case EEP_RF_SILENT:
1255 return pBase->rfSilent;
1256 case EEP_OB_5:
1257 return pModal[0].ob;
1258 case EEP_DB_5:
1259 return pModal[0].db;
1260 case EEP_OB_2:
1261 return pModal[1].ob;
1262 case EEP_DB_2:
1263 return pModal[1].db;
1264 case EEP_MINOR_REV:
1265 return pBase->version & AR5416_EEP_VER_MINOR_MASK;
1266 case EEP_TX_MASK:
1267 return pBase->txMask;
1268 case EEP_RX_MASK:
1269 return pBase->rxMask;
1270 default:
1271 return 0;
1272 }
1273}
1274
Sujithff9b6622008-08-14 13:27:16 +05301275static int ath9k_hw_get_radiorev(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001276{
1277 u32 val;
1278 int i;
1279
1280 REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
1281 for (i = 0; i < 8; i++)
1282 REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
1283 val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
1284 val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
1285 return ath9k_hw_reverse_bits(val, 8);
1286}
1287
Sujithff9b6622008-08-14 13:27:16 +05301288static int ath9k_hw_init_macaddr(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001289{
1290 u32 sum;
1291 int i;
1292 u16 eeval;
1293 struct ath_hal_5416 *ahp = AH5416(ah);
1294 DECLARE_MAC_BUF(mac);
1295
1296 sum = 0;
1297 for (i = 0; i < 3; i++) {
1298 eeval = ath9k_hw_get_eeprom(ahp, AR_EEPROM_MAC(i));
1299 sum += eeval;
1300 ahp->ah_macaddr[2 * i] = eeval >> 8;
1301 ahp->ah_macaddr[2 * i + 1] = eeval & 0xff;
1302 }
1303 if (sum == 0 || sum == 0xffff * 3) {
1304 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
1305 "%s: mac address read failed: %s\n", __func__,
1306 print_mac(mac, ahp->ah_macaddr));
1307 return -EADDRNOTAVAIL;
1308 }
1309
1310 return 0;
1311}
1312
1313static inline int16_t ath9k_hw_interpolate(u16 target,
1314 u16 srcLeft,
1315 u16 srcRight,
1316 int16_t targetLeft,
1317 int16_t targetRight)
1318{
1319 int16_t rv;
1320
1321 if (srcRight == srcLeft) {
1322 rv = targetLeft;
1323 } else {
1324 rv = (int16_t) (((target - srcLeft) * targetRight +
1325 (srcRight - target) * targetLeft) /
1326 (srcRight - srcLeft));
1327 }
1328 return rv;
1329}
1330
1331static inline u16 ath9k_hw_fbin2freq(u8 fbin,
1332 bool is2GHz)
1333{
1334
1335 if (fbin == AR5416_BCHAN_UNUSED)
1336 return fbin;
1337
1338 return (u16) ((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
1339}
1340
1341static u16 ath9k_hw_eeprom_get_spur_chan(struct ath_hal *ah,
1342 u16 i,
1343 bool is2GHz)
1344{
1345 struct ath_hal_5416 *ahp = AH5416(ah);
1346 struct ar5416_eeprom *eep =
1347 (struct ar5416_eeprom *) &ahp->ah_eeprom;
1348 u16 spur_val = AR_NO_SPUR;
1349
1350 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
1351 "Getting spur idx %d is2Ghz. %d val %x\n",
Sujith60b67f52008-08-07 10:52:38 +05301352 i, is2GHz, ah->ah_config.spurchans[i][is2GHz]);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001353
Sujith60b67f52008-08-07 10:52:38 +05301354 switch (ah->ah_config.spurmode) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001355 case SPUR_DISABLE:
1356 break;
1357 case SPUR_ENABLE_IOCTL:
Sujith60b67f52008-08-07 10:52:38 +05301358 spur_val = ah->ah_config.spurchans[i][is2GHz];
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001359 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
1360 "Getting spur val from new loc. %d\n", spur_val);
1361 break;
1362 case SPUR_ENABLE_EEPROM:
1363 spur_val = eep->modalHeader[is2GHz].spurChans[i].spurChan;
1364 break;
1365
1366 }
1367 return spur_val;
1368}
1369
Sujithff9b6622008-08-14 13:27:16 +05301370static int ath9k_hw_rfattach(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001371{
1372 bool rfStatus = false;
1373 int ecode = 0;
1374
1375 rfStatus = ath9k_hw_init_rf(ah, &ecode);
1376 if (!rfStatus) {
1377 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
1378 "%s: RF setup failed, status %u\n", __func__,
1379 ecode);
1380 return ecode;
1381 }
1382
1383 return 0;
1384}
1385
1386static int ath9k_hw_rf_claim(struct ath_hal *ah)
1387{
1388 u32 val;
1389
1390 REG_WRITE(ah, AR_PHY(0), 0x00000007);
1391
1392 val = ath9k_hw_get_radiorev(ah);
1393 switch (val & AR_RADIO_SREV_MAJOR) {
1394 case 0:
1395 val = AR_RAD5133_SREV_MAJOR;
1396 break;
1397 case AR_RAD5133_SREV_MAJOR:
1398 case AR_RAD5122_SREV_MAJOR:
1399 case AR_RAD2133_SREV_MAJOR:
1400 case AR_RAD2122_SREV_MAJOR:
1401 break;
1402 default:
1403 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
1404 "%s: 5G Radio Chip Rev 0x%02X is not "
1405 "supported by this driver\n",
1406 __func__, ah->ah_analog5GhzRev);
1407 return -EOPNOTSUPP;
1408 }
1409
1410 ah->ah_analog5GhzRev = val;
1411
1412 return 0;
1413}
1414
Sujithff9b6622008-08-14 13:27:16 +05301415static void ath9k_hw_init_pll(struct ath_hal *ah,
1416 struct ath9k_channel *chan)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001417{
1418 u32 pll;
1419
1420 if (AR_SREV_9100(ah)) {
1421 if (chan && IS_CHAN_5GHZ(chan))
1422 pll = 0x1450;
1423 else
1424 pll = 0x1458;
1425 } else {
1426 if (AR_SREV_9280_10_OR_LATER(ah)) {
1427 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
1428
1429 if (chan && IS_CHAN_HALF_RATE(chan))
1430 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
1431 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1432 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
1433
1434 if (chan && IS_CHAN_5GHZ(chan)) {
1435 pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
1436
1437
1438 if (AR_SREV_9280_20(ah)) {
1439 if (((chan->channel % 20) == 0)
1440 || ((chan->channel % 10) == 0))
1441 pll = 0x2850;
1442 else
1443 pll = 0x142c;
1444 }
1445 } else {
1446 pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
1447 }
1448
1449 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
1450
1451 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
1452
1453 if (chan && IS_CHAN_HALF_RATE(chan))
1454 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
1455 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1456 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
1457
1458 if (chan && IS_CHAN_5GHZ(chan))
1459 pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
1460 else
1461 pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
1462 } else {
1463 pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
1464
1465 if (chan && IS_CHAN_HALF_RATE(chan))
1466 pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
1467 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1468 pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
1469
1470 if (chan && IS_CHAN_5GHZ(chan))
1471 pll |= SM(0xa, AR_RTC_PLL_DIV);
1472 else
1473 pll |= SM(0xb, AR_RTC_PLL_DIV);
1474 }
1475 }
1476 REG_WRITE(ah, (u16) (AR_RTC_PLL_CONTROL), pll);
1477
1478 udelay(RTC_PLL_SETTLE_DELAY);
1479
1480 REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
1481}
1482
1483static void ath9k_hw_set_regs(struct ath_hal *ah, struct ath9k_channel *chan,
1484 enum ath9k_ht_macmode macmode)
1485{
1486 u32 phymode;
1487 struct ath_hal_5416 *ahp = AH5416(ah);
1488
1489 phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
1490 | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH;
1491
1492 if (IS_CHAN_HT40(chan)) {
1493 phymode |= AR_PHY_FC_DYN2040_EN;
1494
1495 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
1496 (chan->chanmode == CHANNEL_G_HT40PLUS))
1497 phymode |= AR_PHY_FC_DYN2040_PRI_CH;
1498
1499 if (ahp->ah_extprotspacing == ATH9K_HT_EXTPROTSPACING_25)
1500 phymode |= AR_PHY_FC_DYN2040_EXT_CH;
1501 }
1502 REG_WRITE(ah, AR_PHY_TURBO, phymode);
1503
1504 ath9k_hw_set11nmac2040(ah, macmode);
1505
1506 REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
1507 REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
1508}
1509
1510static void ath9k_hw_set_operating_mode(struct ath_hal *ah, int opmode)
1511{
1512 u32 val;
1513
1514 val = REG_READ(ah, AR_STA_ID1);
1515 val &= ~(AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC);
1516 switch (opmode) {
1517 case ATH9K_M_HOSTAP:
1518 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_STA_AP
1519 | AR_STA_ID1_KSRCH_MODE);
1520 REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
1521 break;
1522 case ATH9K_M_IBSS:
1523 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_ADHOC
1524 | AR_STA_ID1_KSRCH_MODE);
1525 REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
1526 break;
1527 case ATH9K_M_STA:
1528 case ATH9K_M_MONITOR:
1529 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE);
1530 break;
1531 }
1532}
1533
Sujithff9b6622008-08-14 13:27:16 +05301534static void
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001535ath9k_hw_set_rfmode(struct ath_hal *ah, struct ath9k_channel *chan)
1536{
1537 u32 rfMode = 0;
1538
1539 if (chan == NULL)
1540 return;
1541
1542 rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
1543 ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
1544
1545 if (!AR_SREV_9280_10_OR_LATER(ah))
1546 rfMode |= (IS_CHAN_5GHZ(chan)) ? AR_PHY_MODE_RF5GHZ :
1547 AR_PHY_MODE_RF2GHZ;
1548
1549 if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan))
1550 rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
1551
1552 REG_WRITE(ah, AR_PHY_MODE, rfMode);
1553}
1554
1555static bool ath9k_hw_set_reset(struct ath_hal *ah, int type)
1556{
1557 u32 rst_flags;
1558 u32 tmpReg;
1559
1560 REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
1561 AR_RTC_FORCE_WAKE_ON_INT);
1562
1563 if (AR_SREV_9100(ah)) {
1564 rst_flags = AR_RTC_RC_MAC_WARM | AR_RTC_RC_MAC_COLD |
1565 AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET;
1566 } else {
1567 tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE);
1568 if (tmpReg &
1569 (AR_INTR_SYNC_LOCAL_TIMEOUT |
1570 AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
1571 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
1572 REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
1573 } else {
1574 REG_WRITE(ah, AR_RC, AR_RC_AHB);
1575 }
1576
1577 rst_flags = AR_RTC_RC_MAC_WARM;
1578 if (type == ATH9K_RESET_COLD)
1579 rst_flags |= AR_RTC_RC_MAC_COLD;
1580 }
1581
1582 REG_WRITE(ah, (u16) (AR_RTC_RC), rst_flags);
1583 udelay(50);
1584
1585 REG_WRITE(ah, (u16) (AR_RTC_RC), 0);
1586 if (!ath9k_hw_wait(ah, (u16) (AR_RTC_RC), AR_RTC_RC_M, 0)) {
1587 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
1588 "%s: RTC stuck in MAC reset\n",
1589 __func__);
1590 return false;
1591 }
1592
1593 if (!AR_SREV_9100(ah))
1594 REG_WRITE(ah, AR_RC, 0);
1595
1596 ath9k_hw_init_pll(ah, NULL);
1597
1598 if (AR_SREV_9100(ah))
1599 udelay(50);
1600
1601 return true;
1602}
1603
Sujithff9b6622008-08-14 13:27:16 +05301604static bool ath9k_hw_set_reset_power_on(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001605{
1606 REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
1607 AR_RTC_FORCE_WAKE_ON_INT);
1608
1609 REG_WRITE(ah, (u16) (AR_RTC_RESET), 0);
1610 REG_WRITE(ah, (u16) (AR_RTC_RESET), 1);
1611
1612 if (!ath9k_hw_wait(ah,
1613 AR_RTC_STATUS,
1614 AR_RTC_STATUS_M,
1615 AR_RTC_STATUS_ON)) {
1616 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s: RTC not waking up\n",
1617 __func__);
1618 return false;
1619 }
1620
1621 ath9k_hw_read_revisions(ah);
1622
1623 return ath9k_hw_set_reset(ah, ATH9K_RESET_WARM);
1624}
1625
1626static bool ath9k_hw_set_reset_reg(struct ath_hal *ah,
1627 u32 type)
1628{
1629 REG_WRITE(ah, AR_RTC_FORCE_WAKE,
1630 AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT);
1631
1632 switch (type) {
1633 case ATH9K_RESET_POWER_ON:
1634 return ath9k_hw_set_reset_power_on(ah);
1635 break;
1636 case ATH9K_RESET_WARM:
1637 case ATH9K_RESET_COLD:
1638 return ath9k_hw_set_reset(ah, type);
1639 break;
1640 default:
1641 return false;
1642 }
1643}
1644
Sujithff9b6622008-08-14 13:27:16 +05301645static
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07001646struct ath9k_channel *ath9k_hw_check_chan(struct ath_hal *ah,
1647 struct ath9k_channel *chan)
1648{
1649 if (!(IS_CHAN_2GHZ(chan) ^ IS_CHAN_5GHZ(chan))) {
1650 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
1651 "%s: invalid channel %u/0x%x; not marked as "
1652 "2GHz or 5GHz\n", __func__, chan->channel,
1653 chan->channelFlags);
1654 return NULL;
1655 }
1656
1657 if (!IS_CHAN_OFDM(chan) &&
1658 !IS_CHAN_CCK(chan) &&
1659 !IS_CHAN_HT20(chan) &&
1660 !IS_CHAN_HT40(chan)) {
1661 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
1662 "%s: invalid channel %u/0x%x; not marked as "
1663 "OFDM or CCK or HT20 or HT40PLUS or HT40MINUS\n",
1664 __func__, chan->channel, chan->channelFlags);
1665 return NULL;
1666 }
1667
1668 return ath9k_regd_check_channel(ah, chan);
1669}
1670
1671static inline bool
1672ath9k_hw_get_lower_upper_index(u8 target,
1673 u8 *pList,
1674 u16 listSize,
1675 u16 *indexL,
1676 u16 *indexR)
1677{
1678 u16 i;
1679
1680 if (target <= pList[0]) {
1681 *indexL = *indexR = 0;
1682 return true;
1683 }
1684 if (target >= pList[listSize - 1]) {
1685 *indexL = *indexR = (u16) (listSize - 1);
1686 return true;
1687 }
1688
1689 for (i = 0; i < listSize - 1; i++) {
1690 if (pList[i] == target) {
1691 *indexL = *indexR = i;
1692 return true;
1693 }
1694 if (target < pList[i + 1]) {
1695 *indexL = i;
1696 *indexR = (u16) (i + 1);
1697 return false;
1698 }
1699 }
1700 return false;
1701}
1702
1703static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer)
1704{
1705 int16_t nfval;
1706 int16_t sort[ATH9K_NF_CAL_HIST_MAX];
1707 int i, j;
1708
1709 for (i = 0; i < ATH9K_NF_CAL_HIST_MAX; i++)
1710 sort[i] = nfCalBuffer[i];
1711
1712 for (i = 0; i < ATH9K_NF_CAL_HIST_MAX - 1; i++) {
1713 for (j = 1; j < ATH9K_NF_CAL_HIST_MAX - i; j++) {
1714 if (sort[j] > sort[j - 1]) {
1715 nfval = sort[j];
1716 sort[j] = sort[j - 1];
1717 sort[j - 1] = nfval;
1718 }
1719 }
1720 }
1721 nfval = sort[(ATH9K_NF_CAL_HIST_MAX - 1) >> 1];
1722
1723 return nfval;
1724}
1725
1726static void ath9k_hw_update_nfcal_hist_buffer(struct ath9k_nfcal_hist *h,
1727 int16_t *nfarray)
1728{
1729 int i;
1730
1731 for (i = 0; i < NUM_NF_READINGS; i++) {
1732 h[i].nfCalBuffer[h[i].currIndex] = nfarray[i];
1733
1734 if (++h[i].currIndex >= ATH9K_NF_CAL_HIST_MAX)
1735 h[i].currIndex = 0;
1736
1737 if (h[i].invalidNFcount > 0) {
1738 if (nfarray[i] < AR_PHY_CCA_MIN_BAD_VALUE
1739 || nfarray[i] > AR_PHY_CCA_MAX_HIGH_VALUE) {
1740 h[i].invalidNFcount = ATH9K_NF_CAL_HIST_MAX;
1741 } else {
1742 h[i].invalidNFcount--;
1743 h[i].privNF = nfarray[i];
1744 }
1745 } else {
1746 h[i].privNF =
1747 ath9k_hw_get_nf_hist_mid(h[i].nfCalBuffer);
1748 }
1749 }
1750 return;
1751}
1752
1753static void ar5416GetNoiseFloor(struct ath_hal *ah,
1754 int16_t nfarray[NUM_NF_READINGS])
1755{
1756 int16_t nf;
1757
1758 if (AR_SREV_9280_10_OR_LATER(ah))
1759 nf = MS(REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR);
1760 else
1761 nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
1762
1763 if (nf & 0x100)
1764 nf = 0 - ((nf ^ 0x1ff) + 1);
1765 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
1766 "NF calibrated [ctl] [chain 0] is %d\n", nf);
1767 nfarray[0] = nf;
1768
1769 if (AR_SREV_9280_10_OR_LATER(ah))
1770 nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
1771 AR9280_PHY_CH1_MINCCA_PWR);
1772 else
1773 nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
1774 AR_PHY_CH1_MINCCA_PWR);
1775
1776 if (nf & 0x100)
1777 nf = 0 - ((nf ^ 0x1ff) + 1);
1778 DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
1779 "NF calibrated [ctl] [chain 1] is %d\n", nf);
1780 nfarray[1] = nf;
1781
1782 if (!AR_SREV_9280(ah)) {
1783 nf = MS(REG_READ(ah, AR_PHY_CH2_CCA),
1784 AR_PHY_CH2_MINCCA_PWR);
1785 if (nf & 0x100)
1786 nf = 0 - ((nf ^ 0x1ff) + 1);
1787 DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
1788 "NF calibrated [ctl] [chain 2] is %d\n", nf);
1789 nfarray[2] = nf;
1790 }
1791
1792 if (AR_SREV_9280_10_OR_LATER(ah))
1793 nf = MS(REG_READ(ah, AR_PHY_EXT_CCA),
1794 AR9280_PHY_EXT_MINCCA_PWR);
1795 else
1796 nf = MS(REG_READ(ah, AR_PHY_EXT_CCA),
1797 AR_PHY_EXT_MINCCA_PWR);
1798
1799 if (nf & 0x100)
1800 nf = 0 - ((nf ^ 0x1ff) + 1);
1801 DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
1802 "NF calibrated [ext] [chain 0] is %d\n", nf);
1803 nfarray[3] = nf;
1804
1805 if (AR_SREV_9280_10_OR_LATER(ah))
1806 nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
1807 AR9280_PHY_CH1_EXT_MINCCA_PWR);
1808 else
1809 nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
1810 AR_PHY_CH1_EXT_MINCCA_PWR);
1811
1812 if (nf & 0x100)
1813 nf = 0 - ((nf ^ 0x1ff) + 1);
1814 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
1815 "NF calibrated [ext] [chain 1] is %d\n", nf);
1816 nfarray[4] = nf;
1817
1818 if (!AR_SREV_9280(ah)) {
1819 nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA),
1820 AR_PHY_CH2_EXT_MINCCA_PWR);
1821 if (nf & 0x100)
1822 nf = 0 - ((nf ^ 0x1ff) + 1);
1823 DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
1824 "NF calibrated [ext] [chain 2] is %d\n", nf);
1825 nfarray[5] = nf;
1826 }
1827}
1828
1829static bool
1830getNoiseFloorThresh(struct ath_hal *ah,
1831 const struct ath9k_channel *chan,
1832 int16_t *nft)
1833{
1834 struct ath_hal_5416 *ahp = AH5416(ah);
1835
1836 switch (chan->chanmode) {
1837 case CHANNEL_A:
1838 case CHANNEL_A_HT20:
1839 case CHANNEL_A_HT40PLUS:
1840 case CHANNEL_A_HT40MINUS:
1841 *nft = (int16_t) ath9k_hw_get_eeprom(ahp, EEP_NFTHRESH_5);
1842 break;
1843 case CHANNEL_B:
1844 case CHANNEL_G:
1845 case CHANNEL_G_HT20:
1846 case CHANNEL_G_HT40PLUS:
1847 case CHANNEL_G_HT40MINUS:
1848 *nft = (int16_t) ath9k_hw_get_eeprom(ahp, EEP_NFTHRESH_2);
1849 break;
1850 default:
1851 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
1852 "%s: invalid channel flags 0x%x\n", __func__,
1853 chan->channelFlags);
1854 return false;
1855 }
1856 return true;
1857}
1858
1859static void ath9k_hw_start_nfcal(struct ath_hal *ah)
1860{
1861 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
1862 AR_PHY_AGC_CONTROL_ENABLE_NF);
1863 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
1864 AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
1865 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
1866}
1867
1868static void
1869ath9k_hw_loadnf(struct ath_hal *ah, struct ath9k_channel *chan)
1870{
1871 struct ath9k_nfcal_hist *h;
1872 int i, j;
1873 int32_t val;
1874 const u32 ar5416_cca_regs[6] = {
1875 AR_PHY_CCA,
1876 AR_PHY_CH1_CCA,
1877 AR_PHY_CH2_CCA,
1878 AR_PHY_EXT_CCA,
1879 AR_PHY_CH1_EXT_CCA,
1880 AR_PHY_CH2_EXT_CCA
1881 };
1882 u8 chainmask;
1883
1884 if (AR_SREV_9280(ah))
1885 chainmask = 0x1B;
1886 else
1887 chainmask = 0x3F;
1888
1889#ifdef ATH_NF_PER_CHAN
1890 h = chan->nfCalHist;
1891#else
1892 h = ah->nfCalHist;
1893#endif
1894
1895 for (i = 0; i < NUM_NF_READINGS; i++) {
1896 if (chainmask & (1 << i)) {
1897 val = REG_READ(ah, ar5416_cca_regs[i]);
1898 val &= 0xFFFFFE00;
1899 val |= (((u32) (h[i].privNF) << 1) & 0x1ff);
1900 REG_WRITE(ah, ar5416_cca_regs[i], val);
1901 }
1902 }
1903
1904 REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
1905 AR_PHY_AGC_CONTROL_ENABLE_NF);
1906 REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
1907 AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
1908 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
1909
1910 for (j = 0; j < 1000; j++) {
1911 if ((REG_READ(ah, AR_PHY_AGC_CONTROL) &
1912 AR_PHY_AGC_CONTROL_NF) == 0)
1913 break;
1914 udelay(10);
1915 }
1916
1917 for (i = 0; i < NUM_NF_READINGS; i++) {
1918 if (chainmask & (1 << i)) {
1919 val = REG_READ(ah, ar5416_cca_regs[i]);
1920 val &= 0xFFFFFE00;
1921 val |= (((u32) (-50) << 1) & 0x1ff);
1922 REG_WRITE(ah, ar5416_cca_regs[i], val);
1923 }
1924 }
1925}
1926
1927static int16_t ath9k_hw_getnf(struct ath_hal *ah,
1928 struct ath9k_channel *chan)
1929{
1930 int16_t nf, nfThresh;
1931 int16_t nfarray[NUM_NF_READINGS] = { 0 };
1932 struct ath9k_nfcal_hist *h;
1933 u8 chainmask;
1934
1935 if (AR_SREV_9280(ah))
1936 chainmask = 0x1B;
1937 else
1938 chainmask = 0x3F;
1939
1940 chan->channelFlags &= (~CHANNEL_CW_INT);
1941 if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
1942 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
1943 "%s: NF did not complete in calibration window\n",
1944 __func__);
1945 nf = 0;
1946 chan->rawNoiseFloor = nf;
1947 return chan->rawNoiseFloor;
1948 } else {
1949 ar5416GetNoiseFloor(ah, nfarray);
1950 nf = nfarray[0];
1951 if (getNoiseFloorThresh(ah, chan, &nfThresh)
1952 && nf > nfThresh) {
1953 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
1954 "%s: noise floor failed detected; "
1955 "detected %d, threshold %d\n", __func__,
1956 nf, nfThresh);
1957 chan->channelFlags |= CHANNEL_CW_INT;
1958 }
1959 }
1960
1961#ifdef ATH_NF_PER_CHAN
1962 h = chan->nfCalHist;
1963#else
1964 h = ah->nfCalHist;
1965#endif
1966
1967 ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
1968 chan->rawNoiseFloor = h[0].privNF;
1969
1970 return chan->rawNoiseFloor;
1971}
1972
1973static void ath9k_hw_update_mibstats(struct ath_hal *ah,
1974 struct ath9k_mib_stats *stats)
1975{
1976 stats->ackrcv_bad += REG_READ(ah, AR_ACK_FAIL);
1977 stats->rts_bad += REG_READ(ah, AR_RTS_FAIL);
1978 stats->fcs_bad += REG_READ(ah, AR_FCS_FAIL);
1979 stats->rts_good += REG_READ(ah, AR_RTS_OK);
1980 stats->beacons += REG_READ(ah, AR_BEACON_CNT);
1981}
1982
1983static void ath9k_enable_mib_counters(struct ath_hal *ah)
1984{
1985 struct ath_hal_5416 *ahp = AH5416(ah);
1986
1987 DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Enable mib counters\n");
1988
1989 ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
1990
1991 REG_WRITE(ah, AR_FILT_OFDM, 0);
1992 REG_WRITE(ah, AR_FILT_CCK, 0);
1993 REG_WRITE(ah, AR_MIBC,
1994 ~(AR_MIBC_COW | AR_MIBC_FMC | AR_MIBC_CMC | AR_MIBC_MCS)
1995 & 0x0f);
1996 REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
1997 REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
1998}
1999
2000static void ath9k_hw_disable_mib_counters(struct ath_hal *ah)
2001{
2002 struct ath_hal_5416 *ahp = AH5416(ah);
2003
2004 DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Disabling MIB counters\n");
2005
2006 REG_WRITE(ah, AR_MIBC, AR_MIBC_FMC | AR_MIBC_CMC);
2007
2008 ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
2009
2010 REG_WRITE(ah, AR_FILT_OFDM, 0);
2011 REG_WRITE(ah, AR_FILT_CCK, 0);
2012}
2013
2014static int ath9k_hw_get_ani_channel_idx(struct ath_hal *ah,
2015 struct ath9k_channel *chan)
2016{
2017 struct ath_hal_5416 *ahp = AH5416(ah);
2018 int i;
2019
2020 for (i = 0; i < ARRAY_SIZE(ahp->ah_ani); i++) {
2021 if (ahp->ah_ani[i].c.channel == chan->channel)
2022 return i;
2023 if (ahp->ah_ani[i].c.channel == 0) {
2024 ahp->ah_ani[i].c.channel = chan->channel;
2025 ahp->ah_ani[i].c.channelFlags = chan->channelFlags;
2026 return i;
2027 }
2028 }
2029
2030 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2031 "No more channel states left. Using channel 0\n");
2032 return 0;
2033}
2034
2035static void ath9k_hw_ani_attach(struct ath_hal *ah)
2036{
2037 struct ath_hal_5416 *ahp = AH5416(ah);
2038 int i;
2039
2040 ahp->ah_hasHwPhyCounters = 1;
2041
2042 memset(ahp->ah_ani, 0, sizeof(ahp->ah_ani));
2043 for (i = 0; i < ARRAY_SIZE(ahp->ah_ani); i++) {
2044 ahp->ah_ani[i].ofdmTrigHigh = ATH9K_ANI_OFDM_TRIG_HIGH;
2045 ahp->ah_ani[i].ofdmTrigLow = ATH9K_ANI_OFDM_TRIG_LOW;
2046 ahp->ah_ani[i].cckTrigHigh = ATH9K_ANI_CCK_TRIG_HIGH;
2047 ahp->ah_ani[i].cckTrigLow = ATH9K_ANI_CCK_TRIG_LOW;
2048 ahp->ah_ani[i].rssiThrHigh = ATH9K_ANI_RSSI_THR_HIGH;
2049 ahp->ah_ani[i].rssiThrLow = ATH9K_ANI_RSSI_THR_LOW;
2050 ahp->ah_ani[i].ofdmWeakSigDetectOff =
2051 !ATH9K_ANI_USE_OFDM_WEAK_SIG;
2052 ahp->ah_ani[i].cckWeakSigThreshold =
2053 ATH9K_ANI_CCK_WEAK_SIG_THR;
2054 ahp->ah_ani[i].spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
2055 ahp->ah_ani[i].firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
2056 if (ahp->ah_hasHwPhyCounters) {
2057 ahp->ah_ani[i].ofdmPhyErrBase =
2058 AR_PHY_COUNTMAX - ATH9K_ANI_OFDM_TRIG_HIGH;
2059 ahp->ah_ani[i].cckPhyErrBase =
2060 AR_PHY_COUNTMAX - ATH9K_ANI_CCK_TRIG_HIGH;
2061 }
2062 }
2063 if (ahp->ah_hasHwPhyCounters) {
2064 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2065 "Setting OfdmErrBase = 0x%08x\n",
2066 ahp->ah_ani[0].ofdmPhyErrBase);
2067 DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Setting cckErrBase = 0x%08x\n",
2068 ahp->ah_ani[0].cckPhyErrBase);
2069
2070 REG_WRITE(ah, AR_PHY_ERR_1, ahp->ah_ani[0].ofdmPhyErrBase);
2071 REG_WRITE(ah, AR_PHY_ERR_2, ahp->ah_ani[0].cckPhyErrBase);
2072 ath9k_enable_mib_counters(ah);
2073 }
2074 ahp->ah_aniPeriod = ATH9K_ANI_PERIOD;
Sujith60b67f52008-08-07 10:52:38 +05302075 if (ah->ah_config.enable_ani)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002076 ahp->ah_procPhyErr |= HAL_PROCESS_ANI;
2077}
2078
Sujithff9b6622008-08-14 13:27:16 +05302079static void ath9k_hw_ani_setup(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002080{
2081 struct ath_hal_5416 *ahp = AH5416(ah);
2082 int i;
2083
2084 const int totalSizeDesired[] = { -55, -55, -55, -55, -62 };
2085 const int coarseHigh[] = { -14, -14, -14, -14, -12 };
2086 const int coarseLow[] = { -64, -64, -64, -64, -70 };
2087 const int firpwr[] = { -78, -78, -78, -78, -80 };
2088
2089 for (i = 0; i < 5; i++) {
2090 ahp->ah_totalSizeDesired[i] = totalSizeDesired[i];
2091 ahp->ah_coarseHigh[i] = coarseHigh[i];
2092 ahp->ah_coarseLow[i] = coarseLow[i];
2093 ahp->ah_firpwr[i] = firpwr[i];
2094 }
2095}
2096
2097static void ath9k_hw_ani_detach(struct ath_hal *ah)
2098{
2099 struct ath_hal_5416 *ahp = AH5416(ah);
2100
2101 DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Detaching Ani\n");
2102 if (ahp->ah_hasHwPhyCounters) {
2103 ath9k_hw_disable_mib_counters(ah);
2104 REG_WRITE(ah, AR_PHY_ERR_1, 0);
2105 REG_WRITE(ah, AR_PHY_ERR_2, 0);
2106 }
2107}
2108
2109
2110static bool ath9k_hw_ani_control(struct ath_hal *ah,
2111 enum ath9k_ani_cmd cmd, int param)
2112{
2113 struct ath_hal_5416 *ahp = AH5416(ah);
2114 struct ar5416AniState *aniState = ahp->ah_curani;
2115
2116 switch (cmd & ahp->ah_ani_function) {
2117 case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{
2118 u32 level = param;
2119
2120 if (level >= ARRAY_SIZE(ahp->ah_totalSizeDesired)) {
2121 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2122 "%s: level out of range (%u > %u)\n",
2123 __func__, level,
2124 (unsigned) ARRAY_SIZE(ahp->
2125 ah_totalSizeDesired));
2126 return false;
2127 }
2128
2129 REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
2130 AR_PHY_DESIRED_SZ_TOT_DES,
2131 ahp->ah_totalSizeDesired[level]);
2132 REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
2133 AR_PHY_AGC_CTL1_COARSE_LOW,
2134 ahp->ah_coarseLow[level]);
2135 REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
2136 AR_PHY_AGC_CTL1_COARSE_HIGH,
2137 ahp->ah_coarseHigh[level]);
2138 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
2139 AR_PHY_FIND_SIG_FIRPWR,
2140 ahp->ah_firpwr[level]);
2141
2142 if (level > aniState->noiseImmunityLevel)
2143 ahp->ah_stats.ast_ani_niup++;
2144 else if (level < aniState->noiseImmunityLevel)
2145 ahp->ah_stats.ast_ani_nidown++;
2146 aniState->noiseImmunityLevel = level;
2147 break;
2148 }
2149 case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
2150 const int m1ThreshLow[] = { 127, 50 };
2151 const int m2ThreshLow[] = { 127, 40 };
2152 const int m1Thresh[] = { 127, 0x4d };
2153 const int m2Thresh[] = { 127, 0x40 };
2154 const int m2CountThr[] = { 31, 16 };
2155 const int m2CountThrLow[] = { 63, 48 };
2156 u32 on = param ? 1 : 0;
2157
2158 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
2159 AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
2160 m1ThreshLow[on]);
2161 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
2162 AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
2163 m2ThreshLow[on]);
2164 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
2165 AR_PHY_SFCORR_M1_THRESH,
2166 m1Thresh[on]);
2167 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
2168 AR_PHY_SFCORR_M2_THRESH,
2169 m2Thresh[on]);
2170 REG_RMW_FIELD(ah, AR_PHY_SFCORR,
2171 AR_PHY_SFCORR_M2COUNT_THR,
2172 m2CountThr[on]);
2173 REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
2174 AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
2175 m2CountThrLow[on]);
2176
2177 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
2178 AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
2179 m1ThreshLow[on]);
2180 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
2181 AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
2182 m2ThreshLow[on]);
2183 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
2184 AR_PHY_SFCORR_EXT_M1_THRESH,
2185 m1Thresh[on]);
2186 REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
2187 AR_PHY_SFCORR_EXT_M2_THRESH,
2188 m2Thresh[on]);
2189
2190 if (on)
2191 REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
2192 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
2193 else
2194 REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
2195 AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
2196
2197 if (!on != aniState->ofdmWeakSigDetectOff) {
2198 if (on)
2199 ahp->ah_stats.ast_ani_ofdmon++;
2200 else
2201 ahp->ah_stats.ast_ani_ofdmoff++;
2202 aniState->ofdmWeakSigDetectOff = !on;
2203 }
2204 break;
2205 }
2206 case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{
2207 const int weakSigThrCck[] = { 8, 6 };
2208 u32 high = param ? 1 : 0;
2209
2210 REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT,
2211 AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK,
2212 weakSigThrCck[high]);
2213 if (high != aniState->cckWeakSigThreshold) {
2214 if (high)
2215 ahp->ah_stats.ast_ani_cckhigh++;
2216 else
2217 ahp->ah_stats.ast_ani_ccklow++;
2218 aniState->cckWeakSigThreshold = high;
2219 }
2220 break;
2221 }
2222 case ATH9K_ANI_FIRSTEP_LEVEL:{
2223 const int firstep[] = { 0, 4, 8 };
2224 u32 level = param;
2225
2226 if (level >= ARRAY_SIZE(firstep)) {
2227 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2228 "%s: level out of range (%u > %u)\n",
2229 __func__, level,
2230 (unsigned) ARRAY_SIZE(firstep));
2231 return false;
2232 }
2233 REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
2234 AR_PHY_FIND_SIG_FIRSTEP,
2235 firstep[level]);
2236 if (level > aniState->firstepLevel)
2237 ahp->ah_stats.ast_ani_stepup++;
2238 else if (level < aniState->firstepLevel)
2239 ahp->ah_stats.ast_ani_stepdown++;
2240 aniState->firstepLevel = level;
2241 break;
2242 }
2243 case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
2244 const int cycpwrThr1[] =
2245 { 2, 4, 6, 8, 10, 12, 14, 16 };
2246 u32 level = param;
2247
2248 if (level >= ARRAY_SIZE(cycpwrThr1)) {
2249 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2250 "%s: level out of range (%u > %u)\n",
2251 __func__, level,
2252 (unsigned)
2253 ARRAY_SIZE(cycpwrThr1));
2254 return false;
2255 }
2256 REG_RMW_FIELD(ah, AR_PHY_TIMING5,
2257 AR_PHY_TIMING5_CYCPWR_THR1,
2258 cycpwrThr1[level]);
2259 if (level > aniState->spurImmunityLevel)
2260 ahp->ah_stats.ast_ani_spurup++;
2261 else if (level < aniState->spurImmunityLevel)
2262 ahp->ah_stats.ast_ani_spurdown++;
2263 aniState->spurImmunityLevel = level;
2264 break;
2265 }
2266 case ATH9K_ANI_PRESENT:
2267 break;
2268 default:
2269 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2270 "%s: invalid cmd %u\n", __func__, cmd);
2271 return false;
2272 }
2273
2274 DPRINTF(ah->ah_sc, ATH_DBG_ANI, "%s: ANI parameters:\n", __func__);
2275 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2276 "noiseImmunityLevel=%d, spurImmunityLevel=%d, "
2277 "ofdmWeakSigDetectOff=%d\n",
2278 aniState->noiseImmunityLevel, aniState->spurImmunityLevel,
2279 !aniState->ofdmWeakSigDetectOff);
2280 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2281 "cckWeakSigThreshold=%d, "
2282 "firstepLevel=%d, listenTime=%d\n",
2283 aniState->cckWeakSigThreshold, aniState->firstepLevel,
2284 aniState->listenTime);
2285 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2286 "cycleCount=%d, ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
2287 aniState->cycleCount, aniState->ofdmPhyErrCount,
2288 aniState->cckPhyErrCount);
2289 return true;
2290}
2291
2292static void ath9k_ani_restart(struct ath_hal *ah)
2293{
2294 struct ath_hal_5416 *ahp = AH5416(ah);
2295 struct ar5416AniState *aniState;
2296
2297 if (!DO_ANI(ah))
2298 return;
2299
2300 aniState = ahp->ah_curani;
2301
2302 aniState->listenTime = 0;
2303 if (ahp->ah_hasHwPhyCounters) {
2304 if (aniState->ofdmTrigHigh > AR_PHY_COUNTMAX) {
2305 aniState->ofdmPhyErrBase = 0;
2306 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2307 "OFDM Trigger is too high for hw counters\n");
2308 } else {
2309 aniState->ofdmPhyErrBase =
2310 AR_PHY_COUNTMAX - aniState->ofdmTrigHigh;
2311 }
2312 if (aniState->cckTrigHigh > AR_PHY_COUNTMAX) {
2313 aniState->cckPhyErrBase = 0;
2314 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2315 "CCK Trigger is too high for hw counters\n");
2316 } else {
2317 aniState->cckPhyErrBase =
2318 AR_PHY_COUNTMAX - aniState->cckTrigHigh;
2319 }
2320 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2321 "%s: Writing ofdmbase=%u cckbase=%u\n",
2322 __func__, aniState->ofdmPhyErrBase,
2323 aniState->cckPhyErrBase);
2324 REG_WRITE(ah, AR_PHY_ERR_1, aniState->ofdmPhyErrBase);
2325 REG_WRITE(ah, AR_PHY_ERR_2, aniState->cckPhyErrBase);
2326 REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
2327 REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
2328
2329 ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
2330 }
2331 aniState->ofdmPhyErrCount = 0;
2332 aniState->cckPhyErrCount = 0;
2333}
2334
2335static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hal *ah)
2336{
2337 struct ath_hal_5416 *ahp = AH5416(ah);
2338 struct ath9k_channel *chan = ah->ah_curchan;
2339 struct ar5416AniState *aniState;
2340 enum wireless_mode mode;
2341 int32_t rssi;
2342
2343 if (!DO_ANI(ah))
2344 return;
2345
2346 aniState = ahp->ah_curani;
2347
2348 if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
2349 if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
2350 aniState->noiseImmunityLevel + 1)) {
2351 return;
2352 }
2353 }
2354
2355 if (aniState->spurImmunityLevel < HAL_SPUR_IMMUNE_MAX) {
2356 if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
2357 aniState->spurImmunityLevel + 1)) {
2358 return;
2359 }
2360 }
2361
2362 if (ah->ah_opmode == ATH9K_M_HOSTAP) {
2363 if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
2364 ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
2365 aniState->firstepLevel + 1);
2366 }
2367 return;
2368 }
2369 rssi = BEACON_RSSI(ahp);
2370 if (rssi > aniState->rssiThrHigh) {
2371 if (!aniState->ofdmWeakSigDetectOff) {
2372 if (ath9k_hw_ani_control(ah,
2373 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
2374 false)) {
2375 ath9k_hw_ani_control(ah,
2376 ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
2377 0);
2378 return;
2379 }
2380 }
2381 if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
2382 ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
2383 aniState->firstepLevel + 1);
2384 return;
2385 }
2386 } else if (rssi > aniState->rssiThrLow) {
2387 if (aniState->ofdmWeakSigDetectOff)
2388 ath9k_hw_ani_control(ah,
2389 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
2390 true);
2391 if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
2392 ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
2393 aniState->firstepLevel + 1);
2394 return;
2395 } else {
2396 mode = ath9k_hw_chan2wmode(ah, chan);
Sujith86b89ee2008-08-07 10:54:57 +05302397 if (mode == ATH9K_MODE_11G || mode == ATH9K_MODE_11B) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002398 if (!aniState->ofdmWeakSigDetectOff)
2399 ath9k_hw_ani_control(ah,
2400 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
2401 false);
2402 if (aniState->firstepLevel > 0)
2403 ath9k_hw_ani_control(ah,
2404 ATH9K_ANI_FIRSTEP_LEVEL,
2405 0);
2406 return;
2407 }
2408 }
2409}
2410
2411static void ath9k_hw_ani_cck_err_trigger(struct ath_hal *ah)
2412{
2413 struct ath_hal_5416 *ahp = AH5416(ah);
2414 struct ath9k_channel *chan = ah->ah_curchan;
2415 struct ar5416AniState *aniState;
2416 enum wireless_mode mode;
2417 int32_t rssi;
2418
2419 if (!DO_ANI(ah))
2420 return;
2421
2422 aniState = ahp->ah_curani;
2423 if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
2424 if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
2425 aniState->noiseImmunityLevel + 1)) {
2426 return;
2427 }
2428 }
2429 if (ah->ah_opmode == ATH9K_M_HOSTAP) {
2430 if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
2431 ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
2432 aniState->firstepLevel + 1);
2433 }
2434 return;
2435 }
2436 rssi = BEACON_RSSI(ahp);
2437 if (rssi > aniState->rssiThrLow) {
2438 if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
2439 ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
2440 aniState->firstepLevel + 1);
2441 } else {
2442 mode = ath9k_hw_chan2wmode(ah, chan);
Sujith86b89ee2008-08-07 10:54:57 +05302443 if (mode == ATH9K_MODE_11G || mode == ATH9K_MODE_11B) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002444 if (aniState->firstepLevel > 0)
2445 ath9k_hw_ani_control(ah,
2446 ATH9K_ANI_FIRSTEP_LEVEL,
2447 0);
2448 }
2449 }
2450}
2451
2452static void ath9k_ani_reset(struct ath_hal *ah)
2453{
2454 struct ath_hal_5416 *ahp = AH5416(ah);
2455 struct ar5416AniState *aniState;
2456 struct ath9k_channel *chan = ah->ah_curchan;
2457 int index;
2458
2459 if (!DO_ANI(ah))
2460 return;
2461
2462 index = ath9k_hw_get_ani_channel_idx(ah, chan);
2463 aniState = &ahp->ah_ani[index];
2464 ahp->ah_curani = aniState;
2465
2466 if (DO_ANI(ah) && ah->ah_opmode != ATH9K_M_STA
2467 && ah->ah_opmode != ATH9K_M_IBSS) {
2468 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2469 "%s: Reset ANI state opmode %u\n", __func__,
2470 ah->ah_opmode);
2471 ahp->ah_stats.ast_ani_reset++;
2472 ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL, 0);
2473 ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0);
2474 ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, 0);
2475 ath9k_hw_ani_control(ah,
2476 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
2477 !ATH9K_ANI_USE_OFDM_WEAK_SIG);
2478 ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR,
2479 ATH9K_ANI_CCK_WEAK_SIG_THR);
2480 ath9k_hw_setrxfilter(ah,
2481 ath9k_hw_getrxfilter(ah) |
2482 ATH9K_RX_FILTER_PHYERR);
2483 if (ah->ah_opmode == ATH9K_M_HOSTAP) {
2484 ahp->ah_curani->ofdmTrigHigh =
Sujith60b67f52008-08-07 10:52:38 +05302485 ah->ah_config.ofdm_trig_high;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002486 ahp->ah_curani->ofdmTrigLow =
Sujith60b67f52008-08-07 10:52:38 +05302487 ah->ah_config.ofdm_trig_low;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002488 ahp->ah_curani->cckTrigHigh =
Sujith60b67f52008-08-07 10:52:38 +05302489 ah->ah_config.cck_trig_high;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002490 ahp->ah_curani->cckTrigLow =
Sujith60b67f52008-08-07 10:52:38 +05302491 ah->ah_config.cck_trig_low;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002492 }
2493 ath9k_ani_restart(ah);
2494 return;
2495 }
2496
2497 if (aniState->noiseImmunityLevel != 0)
2498 ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
2499 aniState->noiseImmunityLevel);
2500 if (aniState->spurImmunityLevel != 0)
2501 ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
2502 aniState->spurImmunityLevel);
2503 if (aniState->ofdmWeakSigDetectOff)
2504 ath9k_hw_ani_control(ah,
2505 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
2506 !aniState->ofdmWeakSigDetectOff);
2507 if (aniState->cckWeakSigThreshold)
2508 ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR,
2509 aniState->cckWeakSigThreshold);
2510 if (aniState->firstepLevel != 0)
2511 ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
2512 aniState->firstepLevel);
2513 if (ahp->ah_hasHwPhyCounters) {
2514 ath9k_hw_setrxfilter(ah,
2515 ath9k_hw_getrxfilter(ah) &
2516 ~ATH9K_RX_FILTER_PHYERR);
2517 ath9k_ani_restart(ah);
2518 REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
2519 REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
2520
2521 } else {
2522 ath9k_ani_restart(ah);
2523 ath9k_hw_setrxfilter(ah,
2524 ath9k_hw_getrxfilter(ah) |
2525 ATH9K_RX_FILTER_PHYERR);
2526 }
2527}
2528
2529void ath9k_hw_procmibevent(struct ath_hal *ah,
2530 const struct ath9k_node_stats *stats)
2531{
2532 struct ath_hal_5416 *ahp = AH5416(ah);
2533 u32 phyCnt1, phyCnt2;
2534
2535 DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Processing Mib Intr\n");
2536
2537 REG_WRITE(ah, AR_FILT_OFDM, 0);
2538 REG_WRITE(ah, AR_FILT_CCK, 0);
2539 if (!(REG_READ(ah, AR_SLP_MIB_CTRL) & AR_SLP_MIB_PENDING))
2540 REG_WRITE(ah, AR_SLP_MIB_CTRL, AR_SLP_MIB_CLEAR);
2541
2542 ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
2543 ahp->ah_stats.ast_nodestats = *stats;
2544
2545 if (!DO_ANI(ah))
2546 return;
2547
2548 phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
2549 phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
2550 if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) ||
2551 ((phyCnt2 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK)) {
2552 struct ar5416AniState *aniState = ahp->ah_curani;
2553 u32 ofdmPhyErrCnt, cckPhyErrCnt;
2554
2555 ofdmPhyErrCnt = phyCnt1 - aniState->ofdmPhyErrBase;
2556 ahp->ah_stats.ast_ani_ofdmerrs +=
2557 ofdmPhyErrCnt - aniState->ofdmPhyErrCount;
2558 aniState->ofdmPhyErrCount = ofdmPhyErrCnt;
2559
2560 cckPhyErrCnt = phyCnt2 - aniState->cckPhyErrBase;
2561 ahp->ah_stats.ast_ani_cckerrs +=
2562 cckPhyErrCnt - aniState->cckPhyErrCount;
2563 aniState->cckPhyErrCount = cckPhyErrCnt;
2564
2565 if (aniState->ofdmPhyErrCount > aniState->ofdmTrigHigh)
2566 ath9k_hw_ani_ofdm_err_trigger(ah);
2567 if (aniState->cckPhyErrCount > aniState->cckTrigHigh)
2568 ath9k_hw_ani_cck_err_trigger(ah);
2569
2570 ath9k_ani_restart(ah);
2571 }
2572}
2573
2574static void ath9k_hw_ani_lower_immunity(struct ath_hal *ah)
2575{
2576 struct ath_hal_5416 *ahp = AH5416(ah);
2577 struct ar5416AniState *aniState;
2578 int32_t rssi;
2579
2580 aniState = ahp->ah_curani;
2581
2582 if (ah->ah_opmode == ATH9K_M_HOSTAP) {
2583 if (aniState->firstepLevel > 0) {
2584 if (ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
2585 aniState->firstepLevel - 1)) {
2586 return;
2587 }
2588 }
2589 } else {
2590 rssi = BEACON_RSSI(ahp);
2591 if (rssi > aniState->rssiThrHigh) {
2592 /* XXX: Handle me */
2593 } else if (rssi > aniState->rssiThrLow) {
2594 if (aniState->ofdmWeakSigDetectOff) {
2595 if (ath9k_hw_ani_control(ah,
2596 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
2597 true) ==
2598 true) {
2599 return;
2600 }
2601 }
2602 if (aniState->firstepLevel > 0) {
2603 if (ath9k_hw_ani_control
2604 (ah, ATH9K_ANI_FIRSTEP_LEVEL,
2605 aniState->firstepLevel - 1) ==
2606 true) {
2607 return;
2608 }
2609 }
2610 } else {
2611 if (aniState->firstepLevel > 0) {
2612 if (ath9k_hw_ani_control
2613 (ah, ATH9K_ANI_FIRSTEP_LEVEL,
2614 aniState->firstepLevel - 1) ==
2615 true) {
2616 return;
2617 }
2618 }
2619 }
2620 }
2621
2622 if (aniState->spurImmunityLevel > 0) {
2623 if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
2624 aniState->spurImmunityLevel - 1)) {
2625 return;
2626 }
2627 }
2628
2629 if (aniState->noiseImmunityLevel > 0) {
2630 ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
2631 aniState->noiseImmunityLevel - 1);
2632 return;
2633 }
2634}
2635
2636static int32_t ath9k_hw_ani_get_listen_time(struct ath_hal *ah)
2637{
2638 struct ath_hal_5416 *ahp = AH5416(ah);
2639 struct ar5416AniState *aniState;
2640 u32 txFrameCount, rxFrameCount, cycleCount;
2641 int32_t listenTime;
2642
2643 txFrameCount = REG_READ(ah, AR_TFCNT);
2644 rxFrameCount = REG_READ(ah, AR_RFCNT);
2645 cycleCount = REG_READ(ah, AR_CCCNT);
2646
2647 aniState = ahp->ah_curani;
2648 if (aniState->cycleCount == 0 || aniState->cycleCount > cycleCount) {
2649
2650 listenTime = 0;
2651 ahp->ah_stats.ast_ani_lzero++;
2652 } else {
2653 int32_t ccdelta = cycleCount - aniState->cycleCount;
2654 int32_t rfdelta = rxFrameCount - aniState->rxFrameCount;
2655 int32_t tfdelta = txFrameCount - aniState->txFrameCount;
2656 listenTime = (ccdelta - rfdelta - tfdelta) / 44000;
2657 }
2658 aniState->cycleCount = cycleCount;
2659 aniState->txFrameCount = txFrameCount;
2660 aniState->rxFrameCount = rxFrameCount;
2661
2662 return listenTime;
2663}
2664
2665void ath9k_hw_ani_monitor(struct ath_hal *ah,
2666 const struct ath9k_node_stats *stats,
2667 struct ath9k_channel *chan)
2668{
2669 struct ath_hal_5416 *ahp = AH5416(ah);
2670 struct ar5416AniState *aniState;
2671 int32_t listenTime;
2672
2673 aniState = ahp->ah_curani;
2674 ahp->ah_stats.ast_nodestats = *stats;
2675
2676 listenTime = ath9k_hw_ani_get_listen_time(ah);
2677 if (listenTime < 0) {
2678 ahp->ah_stats.ast_ani_lneg++;
2679 ath9k_ani_restart(ah);
2680 return;
2681 }
2682
2683 aniState->listenTime += listenTime;
2684
2685 if (ahp->ah_hasHwPhyCounters) {
2686 u32 phyCnt1, phyCnt2;
2687 u32 ofdmPhyErrCnt, cckPhyErrCnt;
2688
2689 ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
2690
2691 phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
2692 phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
2693
2694 if (phyCnt1 < aniState->ofdmPhyErrBase ||
2695 phyCnt2 < aniState->cckPhyErrBase) {
2696 if (phyCnt1 < aniState->ofdmPhyErrBase) {
2697 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2698 "%s: phyCnt1 0x%x, resetting "
2699 "counter value to 0x%x\n",
2700 __func__, phyCnt1,
2701 aniState->ofdmPhyErrBase);
2702 REG_WRITE(ah, AR_PHY_ERR_1,
2703 aniState->ofdmPhyErrBase);
2704 REG_WRITE(ah, AR_PHY_ERR_MASK_1,
2705 AR_PHY_ERR_OFDM_TIMING);
2706 }
2707 if (phyCnt2 < aniState->cckPhyErrBase) {
2708 DPRINTF(ah->ah_sc, ATH_DBG_ANI,
2709 "%s: phyCnt2 0x%x, resetting "
2710 "counter value to 0x%x\n",
2711 __func__, phyCnt2,
2712 aniState->cckPhyErrBase);
2713 REG_WRITE(ah, AR_PHY_ERR_2,
2714 aniState->cckPhyErrBase);
2715 REG_WRITE(ah, AR_PHY_ERR_MASK_2,
2716 AR_PHY_ERR_CCK_TIMING);
2717 }
2718 return;
2719 }
2720
2721 ofdmPhyErrCnt = phyCnt1 - aniState->ofdmPhyErrBase;
2722 ahp->ah_stats.ast_ani_ofdmerrs +=
2723 ofdmPhyErrCnt - aniState->ofdmPhyErrCount;
2724 aniState->ofdmPhyErrCount = ofdmPhyErrCnt;
2725
2726 cckPhyErrCnt = phyCnt2 - aniState->cckPhyErrBase;
2727 ahp->ah_stats.ast_ani_cckerrs +=
2728 cckPhyErrCnt - aniState->cckPhyErrCount;
2729 aniState->cckPhyErrCount = cckPhyErrCnt;
2730 }
2731
2732 if (!DO_ANI(ah))
2733 return;
2734
2735 if (aniState->listenTime > 5 * ahp->ah_aniPeriod) {
2736 if (aniState->ofdmPhyErrCount <= aniState->listenTime *
2737 aniState->ofdmTrigLow / 1000 &&
2738 aniState->cckPhyErrCount <= aniState->listenTime *
2739 aniState->cckTrigLow / 1000)
2740 ath9k_hw_ani_lower_immunity(ah);
2741 ath9k_ani_restart(ah);
2742 } else if (aniState->listenTime > ahp->ah_aniPeriod) {
2743 if (aniState->ofdmPhyErrCount > aniState->listenTime *
2744 aniState->ofdmTrigHigh / 1000) {
2745 ath9k_hw_ani_ofdm_err_trigger(ah);
2746 ath9k_ani_restart(ah);
2747 } else if (aniState->cckPhyErrCount >
2748 aniState->listenTime * aniState->cckTrigHigh /
2749 1000) {
2750 ath9k_hw_ani_cck_err_trigger(ah);
2751 ath9k_ani_restart(ah);
2752 }
2753 }
2754}
2755
2756#ifndef ATH_NF_PER_CHAN
2757static void ath9k_init_nfcal_hist_buffer(struct ath_hal *ah)
2758{
2759 int i, j;
2760
2761 for (i = 0; i < NUM_NF_READINGS; i++) {
2762 ah->nfCalHist[i].currIndex = 0;
2763 ah->nfCalHist[i].privNF = AR_PHY_CCA_MAX_GOOD_VALUE;
2764 ah->nfCalHist[i].invalidNFcount =
2765 AR_PHY_CCA_FILTERWINDOW_LENGTH;
2766 for (j = 0; j < ATH9K_NF_CAL_HIST_MAX; j++) {
2767 ah->nfCalHist[i].nfCalBuffer[j] =
2768 AR_PHY_CCA_MAX_GOOD_VALUE;
2769 }
2770 }
2771 return;
2772}
2773#endif
2774
2775static void ath9k_hw_gpio_cfg_output_mux(struct ath_hal *ah,
2776 u32 gpio, u32 type)
2777{
2778 int addr;
2779 u32 gpio_shift, tmp;
2780
2781 if (gpio > 11)
2782 addr = AR_GPIO_OUTPUT_MUX3;
2783 else if (gpio > 5)
2784 addr = AR_GPIO_OUTPUT_MUX2;
2785 else
2786 addr = AR_GPIO_OUTPUT_MUX1;
2787
2788 gpio_shift = (gpio % 6) * 5;
2789
2790 if (AR_SREV_9280_20_OR_LATER(ah)
2791 || (addr != AR_GPIO_OUTPUT_MUX1)) {
2792 REG_RMW(ah, addr, (type << gpio_shift),
2793 (0x1f << gpio_shift));
2794 } else {
2795 tmp = REG_READ(ah, addr);
2796 tmp = ((tmp & 0x1F0) << 1) | (tmp & ~0x1F0);
2797 tmp &= ~(0x1f << gpio_shift);
2798 tmp |= (type << gpio_shift);
2799 REG_WRITE(ah, addr, tmp);
2800 }
2801}
2802
Vasanthakumar Thiagarajanc83be682008-08-25 20:47:29 +05302803void ath9k_hw_cfg_output(struct ath_hal *ah, u32 gpio,
2804 u32 ah_signal_type)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002805{
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002806 u32 gpio_shift;
2807
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002808 ath9k_hw_gpio_cfg_output_mux(ah, gpio, ah_signal_type);
2809
2810 gpio_shift = 2 * gpio;
2811
2812 REG_RMW(ah,
2813 AR_GPIO_OE_OUT,
2814 (AR_GPIO_OE_OUT_DRV_ALL << gpio_shift),
2815 (AR_GPIO_OE_OUT_DRV << gpio_shift));
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002816}
2817
Vasanthakumar Thiagarajanc83be682008-08-25 20:47:29 +05302818void ath9k_hw_set_gpio(struct ath_hal *ah, u32 gpio, u32 val)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002819{
2820 REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio),
2821 AR_GPIO_BIT(gpio));
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002822}
2823
2824static u32 ath9k_hw_gpio_get(struct ath_hal *ah, u32 gpio)
2825{
Sujith60b67f52008-08-07 10:52:38 +05302826 if (gpio >= ah->ah_caps.num_gpio_pins)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002827 return 0xffffffff;
2828
2829 if (AR_SREV_9280_10_OR_LATER(ah)) {
2830 return (MS
2831 (REG_READ(ah, AR_GPIO_IN_OUT),
2832 AR928X_GPIO_IN_VAL) & AR_GPIO_BIT(gpio)) != 0;
2833 } else {
2834 return (MS(REG_READ(ah, AR_GPIO_IN_OUT), AR_GPIO_IN_VAL) &
2835 AR_GPIO_BIT(gpio)) != 0;
2836 }
2837}
2838
Sujithff9b6622008-08-14 13:27:16 +05302839static int ath9k_hw_post_attach(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002840{
2841 int ecode;
2842
2843 if (!ath9k_hw_chip_test(ah)) {
2844 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
2845 "%s: hardware self-test failed\n", __func__);
2846 return -ENODEV;
2847 }
2848
2849 ecode = ath9k_hw_rf_claim(ah);
2850 if (ecode != 0)
2851 return ecode;
2852
2853 ecode = ath9k_hw_eeprom_attach(ah);
2854 if (ecode != 0)
2855 return ecode;
2856 ecode = ath9k_hw_rfattach(ah);
2857 if (ecode != 0)
2858 return ecode;
2859
2860 if (!AR_SREV_9100(ah)) {
2861 ath9k_hw_ani_setup(ah);
2862 ath9k_hw_ani_attach(ah);
2863 }
2864 return 0;
2865}
2866
2867static u32 ath9k_hw_ini_fixup(struct ath_hal *ah,
2868 struct ar5416_eeprom *pEepData,
2869 u32 reg, u32 value)
2870{
2871 struct base_eep_header *pBase = &(pEepData->baseEepHeader);
2872
2873 switch (ah->ah_devid) {
2874 case AR9280_DEVID_PCI:
2875 if (reg == 0x7894) {
2876 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
2877 "ini VAL: %x EEPROM: %x\n", value,
2878 (pBase->version & 0xff));
2879
2880 if ((pBase->version & 0xff) > 0x0a) {
2881 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
2882 "PWDCLKIND: %d\n",
2883 pBase->pwdclkind);
2884 value &= ~AR_AN_TOP2_PWDCLKIND;
2885 value |= AR_AN_TOP2_PWDCLKIND & (pBase->
2886 pwdclkind << AR_AN_TOP2_PWDCLKIND_S);
2887 } else {
2888 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
2889 "PWDCLKIND Earlier Rev\n");
2890 }
2891
2892 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
2893 "final ini VAL: %x\n", value);
2894 }
2895 break;
2896 }
2897 return value;
2898}
2899
2900static bool ath9k_hw_fill_cap_info(struct ath_hal *ah)
2901{
2902 struct ath_hal_5416 *ahp = AH5416(ah);
Sujith60b67f52008-08-07 10:52:38 +05302903 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002904 u16 capField = 0, eeval;
2905
2906 eeval = ath9k_hw_get_eeprom(ahp, EEP_REG_0);
2907
2908 ah->ah_currentRD = eeval;
2909
2910 eeval = ath9k_hw_get_eeprom(ahp, EEP_REG_1);
2911 ah->ah_currentRDExt = eeval;
2912
2913 capField = ath9k_hw_get_eeprom(ahp, EEP_OP_CAP);
2914
2915 if (ah->ah_opmode != ATH9K_M_HOSTAP &&
2916 ah->ah_subvendorid == AR_SUBVENDOR_ID_NEW_A) {
2917 if (ah->ah_currentRD == 0x64 || ah->ah_currentRD == 0x65)
2918 ah->ah_currentRD += 5;
2919 else if (ah->ah_currentRD == 0x41)
2920 ah->ah_currentRD = 0x43;
2921 DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
2922 "%s: regdomain mapped to 0x%x\n", __func__,
2923 ah->ah_currentRD);
2924 }
2925
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002926 eeval = ath9k_hw_get_eeprom(ahp, EEP_OP_MODE);
Sujith86b89ee2008-08-07 10:54:57 +05302927 bitmap_zero(pCap->wireless_modes, ATH9K_MODE_MAX);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002928
2929 if (eeval & AR5416_OPFLAGS_11A) {
Sujith86b89ee2008-08-07 10:54:57 +05302930 set_bit(ATH9K_MODE_11A, pCap->wireless_modes);
2931 if (ah->ah_config.ht_enable) {
2932 if (!(eeval & AR5416_OPFLAGS_N_5G_HT20))
2933 set_bit(ATH9K_MODE_11NA_HT20,
2934 pCap->wireless_modes);
2935 if (!(eeval & AR5416_OPFLAGS_N_5G_HT40)) {
2936 set_bit(ATH9K_MODE_11NA_HT40PLUS,
2937 pCap->wireless_modes);
2938 set_bit(ATH9K_MODE_11NA_HT40MINUS,
2939 pCap->wireless_modes);
2940 }
2941 }
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002942 }
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002943
Sujith86b89ee2008-08-07 10:54:57 +05302944 if (eeval & AR5416_OPFLAGS_11G) {
2945 set_bit(ATH9K_MODE_11B, pCap->wireless_modes);
2946 set_bit(ATH9K_MODE_11G, pCap->wireless_modes);
2947 if (ah->ah_config.ht_enable) {
2948 if (!(eeval & AR5416_OPFLAGS_N_2G_HT20))
2949 set_bit(ATH9K_MODE_11NG_HT20,
2950 pCap->wireless_modes);
2951 if (!(eeval & AR5416_OPFLAGS_N_2G_HT40)) {
2952 set_bit(ATH9K_MODE_11NG_HT40PLUS,
2953 pCap->wireless_modes);
2954 set_bit(ATH9K_MODE_11NG_HT40MINUS,
2955 pCap->wireless_modes);
2956 }
2957 }
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002958 }
Sujith86b89ee2008-08-07 10:54:57 +05302959
Sujith60b67f52008-08-07 10:52:38 +05302960 pCap->tx_chainmask = ath9k_hw_get_eeprom(ahp, EEP_TX_MASK);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002961 if ((ah->ah_isPciExpress)
2962 || (eeval & AR5416_OPFLAGS_11A)) {
Sujith60b67f52008-08-07 10:52:38 +05302963 pCap->rx_chainmask =
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002964 ath9k_hw_get_eeprom(ahp, EEP_RX_MASK);
2965 } else {
Sujith60b67f52008-08-07 10:52:38 +05302966 pCap->rx_chainmask =
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002967 (ath9k_hw_gpio_get(ah, 0)) ? 0x5 : 0x7;
2968 }
2969
2970 if (!(AR_SREV_9280(ah) && (ah->ah_macRev == 0)))
2971 ahp->ah_miscMode |= AR_PCU_MIC_NEW_LOC_ENA;
2972
Sujith60b67f52008-08-07 10:52:38 +05302973 pCap->low_2ghz_chan = 2312;
2974 pCap->high_2ghz_chan = 2732;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002975
Sujith60b67f52008-08-07 10:52:38 +05302976 pCap->low_5ghz_chan = 4920;
2977 pCap->high_5ghz_chan = 6100;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002978
Sujith60b67f52008-08-07 10:52:38 +05302979 pCap->hw_caps &= ~ATH9K_HW_CAP_CIPHER_CKIP;
2980 pCap->hw_caps |= ATH9K_HW_CAP_CIPHER_TKIP;
2981 pCap->hw_caps |= ATH9K_HW_CAP_CIPHER_AESCCM;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002982
Sujith60b67f52008-08-07 10:52:38 +05302983 pCap->hw_caps &= ~ATH9K_HW_CAP_MIC_CKIP;
2984 pCap->hw_caps |= ATH9K_HW_CAP_MIC_TKIP;
2985 pCap->hw_caps |= ATH9K_HW_CAP_MIC_AESCCM;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002986
Sujith60b67f52008-08-07 10:52:38 +05302987 pCap->hw_caps |= ATH9K_HW_CAP_CHAN_SPREAD;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002988
Sujith60b67f52008-08-07 10:52:38 +05302989 if (ah->ah_config.ht_enable)
2990 pCap->hw_caps |= ATH9K_HW_CAP_HT;
2991 else
2992 pCap->hw_caps &= ~ATH9K_HW_CAP_HT;
2993
2994 pCap->hw_caps |= ATH9K_HW_CAP_GTT;
2995 pCap->hw_caps |= ATH9K_HW_CAP_VEOL;
2996 pCap->hw_caps |= ATH9K_HW_CAP_BSSIDMASK;
2997 pCap->hw_caps &= ~ATH9K_HW_CAP_MCAST_KEYSEARCH;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07002998
2999 if (capField & AR_EEPROM_EEPCAP_MAXQCU)
Sujith60b67f52008-08-07 10:52:38 +05303000 pCap->total_queues =
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003001 MS(capField, AR_EEPROM_EEPCAP_MAXQCU);
3002 else
Sujith60b67f52008-08-07 10:52:38 +05303003 pCap->total_queues = ATH9K_NUM_TX_QUEUES;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003004
3005 if (capField & AR_EEPROM_EEPCAP_KC_ENTRIES)
Sujith60b67f52008-08-07 10:52:38 +05303006 pCap->keycache_size =
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003007 1 << MS(capField, AR_EEPROM_EEPCAP_KC_ENTRIES);
3008 else
Sujith60b67f52008-08-07 10:52:38 +05303009 pCap->keycache_size = AR_KEYTABLE_SIZE;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003010
Sujith60b67f52008-08-07 10:52:38 +05303011 pCap->hw_caps |= ATH9K_HW_CAP_FASTCC;
3012 pCap->num_mr_retries = 4;
3013 pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003014
3015 if (AR_SREV_9280_10_OR_LATER(ah))
Sujith60b67f52008-08-07 10:52:38 +05303016 pCap->num_gpio_pins = AR928X_NUM_GPIO;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003017 else
Sujith60b67f52008-08-07 10:52:38 +05303018 pCap->num_gpio_pins = AR_NUM_GPIO;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003019
3020 if (AR_SREV_9280_10_OR_LATER(ah)) {
Sujith60b67f52008-08-07 10:52:38 +05303021 pCap->hw_caps |= ATH9K_HW_CAP_WOW;
3022 pCap->hw_caps |= ATH9K_HW_CAP_WOW_MATCHPATTERN_EXACT;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003023 } else {
Sujith60b67f52008-08-07 10:52:38 +05303024 pCap->hw_caps &= ~ATH9K_HW_CAP_WOW;
3025 pCap->hw_caps &= ~ATH9K_HW_CAP_WOW_MATCHPATTERN_EXACT;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003026 }
3027
3028 if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah)) {
Sujith60b67f52008-08-07 10:52:38 +05303029 pCap->hw_caps |= ATH9K_HW_CAP_CST;
3030 pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003031 } else {
Sujith60b67f52008-08-07 10:52:38 +05303032 pCap->rts_aggr_limit = (8 * 1024);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003033 }
3034
Sujith60b67f52008-08-07 10:52:38 +05303035 pCap->hw_caps |= ATH9K_HW_CAP_ENHANCEDPM;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003036
3037 ah->ah_rfsilent = ath9k_hw_get_eeprom(ahp, EEP_RF_SILENT);
3038 if (ah->ah_rfsilent & EEP_RFSILENT_ENABLED) {
3039 ahp->ah_gpioSelect =
3040 MS(ah->ah_rfsilent, EEP_RFSILENT_GPIO_SEL);
3041 ahp->ah_polarity =
3042 MS(ah->ah_rfsilent, EEP_RFSILENT_POLARITY);
3043
Sujith60b67f52008-08-07 10:52:38 +05303044 ath9k_hw_setcapability(ah, ATH9K_CAP_RFSILENT, 1, true,
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003045 NULL);
Sujith60b67f52008-08-07 10:52:38 +05303046 pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003047 }
3048
3049 if ((ah->ah_macVersion == AR_SREV_VERSION_5416_PCI) ||
3050 (ah->ah_macVersion == AR_SREV_VERSION_5416_PCIE) ||
3051 (ah->ah_macVersion == AR_SREV_VERSION_9160) ||
3052 (ah->ah_macVersion == AR_SREV_VERSION_9100) ||
3053 (ah->ah_macVersion == AR_SREV_VERSION_9280))
Sujith60b67f52008-08-07 10:52:38 +05303054 pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003055 else
Sujith60b67f52008-08-07 10:52:38 +05303056 pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003057
3058 if (AR_SREV_9280(ah))
Sujith60b67f52008-08-07 10:52:38 +05303059 pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003060 else
Sujith60b67f52008-08-07 10:52:38 +05303061 pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003062
3063 if (ah->ah_currentRDExt & (1 << REG_EXT_JAPAN_MIDBAND)) {
Sujith60b67f52008-08-07 10:52:38 +05303064 pCap->reg_cap =
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003065 AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
3066 AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN |
3067 AR_EEPROM_EEREGCAP_EN_KK_U2 |
3068 AR_EEPROM_EEREGCAP_EN_KK_MIDBAND;
3069 } else {
Sujith60b67f52008-08-07 10:52:38 +05303070 pCap->reg_cap =
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003071 AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
3072 AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN;
3073 }
3074
Sujith60b67f52008-08-07 10:52:38 +05303075 pCap->reg_cap |= AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003076
Sujith60b67f52008-08-07 10:52:38 +05303077 pCap->num_antcfg_5ghz =
Sujith06df8be2008-08-07 10:53:39 +05303078 ath9k_hw_get_num_ant_config(ahp, IEEE80211_BAND_5GHZ);
Sujith60b67f52008-08-07 10:52:38 +05303079 pCap->num_antcfg_2ghz =
Sujith06df8be2008-08-07 10:53:39 +05303080 ath9k_hw_get_num_ant_config(ahp, IEEE80211_BAND_2GHZ);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003081
3082 return true;
3083}
3084
3085static void ar5416DisablePciePhy(struct ath_hal *ah)
3086{
3087 if (!AR_SREV_9100(ah))
3088 return;
3089
3090 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
3091 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
3092 REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029);
3093 REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824);
3094 REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579);
3095 REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000);
3096 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
3097 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
3098 REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007);
3099
3100 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
3101}
3102
3103static void ath9k_set_power_sleep(struct ath_hal *ah, int setChip)
3104{
3105 REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
3106 if (setChip) {
3107 REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
3108 AR_RTC_FORCE_WAKE_EN);
3109 if (!AR_SREV_9100(ah))
3110 REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
3111
3112 REG_CLR_BIT(ah, (u16) (AR_RTC_RESET),
3113 AR_RTC_RESET_EN);
3114 }
3115}
3116
3117static void ath9k_set_power_network_sleep(struct ath_hal *ah, int setChip)
3118{
3119 REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
3120 if (setChip) {
Sujith60b67f52008-08-07 10:52:38 +05303121 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003122
Sujith60b67f52008-08-07 10:52:38 +05303123 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003124 REG_WRITE(ah, AR_RTC_FORCE_WAKE,
3125 AR_RTC_FORCE_WAKE_ON_INT);
3126 } else {
3127 REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
3128 AR_RTC_FORCE_WAKE_EN);
3129 }
3130 }
3131}
3132
3133static bool ath9k_hw_set_power_awake(struct ath_hal *ah,
3134 int setChip)
3135{
3136 u32 val;
3137 int i;
3138
3139 if (setChip) {
3140 if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M) ==
3141 AR_RTC_STATUS_SHUTDOWN) {
3142 if (ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)
3143 != true) {
3144 return false;
3145 }
3146 }
3147 if (AR_SREV_9100(ah))
3148 REG_SET_BIT(ah, AR_RTC_RESET,
3149 AR_RTC_RESET_EN);
3150
3151 REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
3152 AR_RTC_FORCE_WAKE_EN);
3153 udelay(50);
3154
3155 for (i = POWER_UP_TIME / 50; i > 0; i--) {
3156 val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M;
3157 if (val == AR_RTC_STATUS_ON)
3158 break;
3159 udelay(50);
3160 REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
3161 AR_RTC_FORCE_WAKE_EN);
3162 }
3163 if (i == 0) {
3164 DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
3165 "%s: Failed to wakeup in %uus\n",
3166 __func__, POWER_UP_TIME / 20);
3167 return false;
3168 }
3169 }
3170
3171 REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
3172 return true;
3173}
3174
3175bool ath9k_hw_setpower(struct ath_hal *ah,
3176 enum ath9k_power_mode mode)
3177{
3178 struct ath_hal_5416 *ahp = AH5416(ah);
3179 static const char *modes[] = {
3180 "AWAKE",
3181 "FULL-SLEEP",
3182 "NETWORK SLEEP",
3183 "UNDEFINED"
3184 };
3185 int status = true, setChip = true;
3186
3187 DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT, "%s: %s -> %s (%s)\n", __func__,
3188 modes[ahp->ah_powerMode], modes[mode],
3189 setChip ? "set chip " : "");
3190
3191 switch (mode) {
3192 case ATH9K_PM_AWAKE:
3193 status = ath9k_hw_set_power_awake(ah, setChip);
3194 break;
3195 case ATH9K_PM_FULL_SLEEP:
3196 ath9k_set_power_sleep(ah, setChip);
3197 ahp->ah_chipFullSleep = true;
3198 break;
3199 case ATH9K_PM_NETWORK_SLEEP:
3200 ath9k_set_power_network_sleep(ah, setChip);
3201 break;
3202 default:
3203 DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
3204 "%s: unknown power mode %u\n", __func__, mode);
3205 return false;
3206 }
3207 ahp->ah_powerMode = mode;
3208 return status;
3209}
3210
3211static struct ath_hal *ath9k_hw_do_attach(u16 devid,
3212 struct ath_softc *sc,
3213 void __iomem *mem,
3214 int *status)
3215{
3216 struct ath_hal_5416 *ahp;
3217 struct ath_hal *ah;
3218 int ecode;
3219#ifndef CONFIG_SLOW_ANT_DIV
3220 u32 i;
3221 u32 j;
3222#endif
3223
3224 ahp = ath9k_hw_newstate(devid, sc, mem, status);
3225 if (ahp == NULL)
3226 return NULL;
3227
3228 ah = &ahp->ah;
3229
3230 ath9k_hw_set_defaults(ah);
3231
Sujith60b67f52008-08-07 10:52:38 +05303232 if (ah->ah_config.intr_mitigation != 0)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003233 ahp->ah_intrMitigation = true;
3234
3235 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
3236 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s: couldn't reset chip\n",
3237 __func__);
3238 ecode = -EIO;
3239 goto bad;
3240 }
3241
3242 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
3243 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s: couldn't wakeup chip\n",
3244 __func__);
3245 ecode = -EIO;
3246 goto bad;
3247 }
3248
Sujith60b67f52008-08-07 10:52:38 +05303249 if (ah->ah_config.serialize_regmode == SER_REG_MODE_AUTO) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003250 if (ah->ah_macVersion == AR_SREV_VERSION_5416_PCI) {
Sujith60b67f52008-08-07 10:52:38 +05303251 ah->ah_config.serialize_regmode =
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003252 SER_REG_MODE_ON;
3253 } else {
Sujith60b67f52008-08-07 10:52:38 +05303254 ah->ah_config.serialize_regmode =
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003255 SER_REG_MODE_OFF;
3256 }
3257 }
3258 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
Sujith60b67f52008-08-07 10:52:38 +05303259 "%s: serialize_regmode is %d\n",
3260 __func__, ah->ah_config.serialize_regmode);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003261
3262 if ((ah->ah_macVersion != AR_SREV_VERSION_5416_PCI) &&
3263 (ah->ah_macVersion != AR_SREV_VERSION_5416_PCIE) &&
3264 (ah->ah_macVersion != AR_SREV_VERSION_9160) &&
3265 (!AR_SREV_9100(ah)) && (!AR_SREV_9280(ah))) {
3266 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
3267 "%s: Mac Chip Rev 0x%02x.%x is not supported by "
3268 "this driver\n", __func__,
3269 ah->ah_macVersion, ah->ah_macRev);
3270 ecode = -EOPNOTSUPP;
3271 goto bad;
3272 }
3273
3274 if (AR_SREV_9100(ah)) {
3275 ahp->ah_iqCalData.calData = &iq_cal_multi_sample;
3276 ahp->ah_suppCals = IQ_MISMATCH_CAL;
3277 ah->ah_isPciExpress = false;
3278 }
3279 ah->ah_phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
3280
3281 if (AR_SREV_9160_10_OR_LATER(ah)) {
3282 if (AR_SREV_9280_10_OR_LATER(ah)) {
3283 ahp->ah_iqCalData.calData = &iq_cal_single_sample;
3284 ahp->ah_adcGainCalData.calData =
3285 &adc_gain_cal_single_sample;
3286 ahp->ah_adcDcCalData.calData =
3287 &adc_dc_cal_single_sample;
3288 ahp->ah_adcDcCalInitData.calData =
3289 &adc_init_dc_cal;
3290 } else {
3291 ahp->ah_iqCalData.calData = &iq_cal_multi_sample;
3292 ahp->ah_adcGainCalData.calData =
3293 &adc_gain_cal_multi_sample;
3294 ahp->ah_adcDcCalData.calData =
3295 &adc_dc_cal_multi_sample;
3296 ahp->ah_adcDcCalInitData.calData =
3297 &adc_init_dc_cal;
3298 }
3299 ahp->ah_suppCals =
3300 ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
3301 }
3302
3303 if (AR_SREV_9160(ah)) {
Sujith60b67f52008-08-07 10:52:38 +05303304 ah->ah_config.enable_ani = 1;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003305 ahp->ah_ani_function = (ATH9K_ANI_SPUR_IMMUNITY_LEVEL |
3306 ATH9K_ANI_FIRSTEP_LEVEL);
3307 } else {
3308 ahp->ah_ani_function = ATH9K_ANI_ALL;
3309 if (AR_SREV_9280_10_OR_LATER(ah)) {
3310 ahp->ah_ani_function &=
3311 ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
3312 }
3313 }
3314
3315 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
3316 "%s: This Mac Chip Rev 0x%02x.%x is \n", __func__,
3317 ah->ah_macVersion, ah->ah_macRev);
3318
3319 if (AR_SREV_9280_20_OR_LATER(ah)) {
3320 INIT_INI_ARRAY(&ahp->ah_iniModes, ar9280Modes_9280_2,
3321 ARRAY_SIZE(ar9280Modes_9280_2), 6);
3322 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar9280Common_9280_2,
3323 ARRAY_SIZE(ar9280Common_9280_2), 2);
3324
Sujith60b67f52008-08-07 10:52:38 +05303325 if (ah->ah_config.pcie_clock_req) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003326 INIT_INI_ARRAY(&ahp->ah_iniPcieSerdes,
3327 ar9280PciePhy_clkreq_off_L1_9280,
3328 ARRAY_SIZE
3329 (ar9280PciePhy_clkreq_off_L1_9280),
3330 2);
3331 } else {
3332 INIT_INI_ARRAY(&ahp->ah_iniPcieSerdes,
3333 ar9280PciePhy_clkreq_always_on_L1_9280,
3334 ARRAY_SIZE
3335 (ar9280PciePhy_clkreq_always_on_L1_9280),
3336 2);
3337 }
3338 INIT_INI_ARRAY(&ahp->ah_iniModesAdditional,
3339 ar9280Modes_fast_clock_9280_2,
3340 ARRAY_SIZE(ar9280Modes_fast_clock_9280_2),
3341 3);
3342 } else if (AR_SREV_9280_10_OR_LATER(ah)) {
3343 INIT_INI_ARRAY(&ahp->ah_iniModes, ar9280Modes_9280,
3344 ARRAY_SIZE(ar9280Modes_9280), 6);
3345 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar9280Common_9280,
3346 ARRAY_SIZE(ar9280Common_9280), 2);
3347 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
3348 INIT_INI_ARRAY(&ahp->ah_iniModes, ar5416Modes_9160,
3349 ARRAY_SIZE(ar5416Modes_9160), 6);
3350 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar5416Common_9160,
3351 ARRAY_SIZE(ar5416Common_9160), 2);
3352 INIT_INI_ARRAY(&ahp->ah_iniBank0, ar5416Bank0_9160,
3353 ARRAY_SIZE(ar5416Bank0_9160), 2);
3354 INIT_INI_ARRAY(&ahp->ah_iniBB_RfGain, ar5416BB_RfGain_9160,
3355 ARRAY_SIZE(ar5416BB_RfGain_9160), 3);
3356 INIT_INI_ARRAY(&ahp->ah_iniBank1, ar5416Bank1_9160,
3357 ARRAY_SIZE(ar5416Bank1_9160), 2);
3358 INIT_INI_ARRAY(&ahp->ah_iniBank2, ar5416Bank2_9160,
3359 ARRAY_SIZE(ar5416Bank2_9160), 2);
3360 INIT_INI_ARRAY(&ahp->ah_iniBank3, ar5416Bank3_9160,
3361 ARRAY_SIZE(ar5416Bank3_9160), 3);
3362 INIT_INI_ARRAY(&ahp->ah_iniBank6, ar5416Bank6_9160,
3363 ARRAY_SIZE(ar5416Bank6_9160), 3);
3364 INIT_INI_ARRAY(&ahp->ah_iniBank6TPC, ar5416Bank6TPC_9160,
3365 ARRAY_SIZE(ar5416Bank6TPC_9160), 3);
3366 INIT_INI_ARRAY(&ahp->ah_iniBank7, ar5416Bank7_9160,
3367 ARRAY_SIZE(ar5416Bank7_9160), 2);
3368 if (AR_SREV_9160_11(ah)) {
3369 INIT_INI_ARRAY(&ahp->ah_iniAddac,
3370 ar5416Addac_91601_1,
3371 ARRAY_SIZE(ar5416Addac_91601_1), 2);
3372 } else {
3373 INIT_INI_ARRAY(&ahp->ah_iniAddac, ar5416Addac_9160,
3374 ARRAY_SIZE(ar5416Addac_9160), 2);
3375 }
3376 } else if (AR_SREV_9100_OR_LATER(ah)) {
3377 INIT_INI_ARRAY(&ahp->ah_iniModes, ar5416Modes_9100,
3378 ARRAY_SIZE(ar5416Modes_9100), 6);
3379 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar5416Common_9100,
3380 ARRAY_SIZE(ar5416Common_9100), 2);
3381 INIT_INI_ARRAY(&ahp->ah_iniBank0, ar5416Bank0_9100,
3382 ARRAY_SIZE(ar5416Bank0_9100), 2);
3383 INIT_INI_ARRAY(&ahp->ah_iniBB_RfGain, ar5416BB_RfGain_9100,
3384 ARRAY_SIZE(ar5416BB_RfGain_9100), 3);
3385 INIT_INI_ARRAY(&ahp->ah_iniBank1, ar5416Bank1_9100,
3386 ARRAY_SIZE(ar5416Bank1_9100), 2);
3387 INIT_INI_ARRAY(&ahp->ah_iniBank2, ar5416Bank2_9100,
3388 ARRAY_SIZE(ar5416Bank2_9100), 2);
3389 INIT_INI_ARRAY(&ahp->ah_iniBank3, ar5416Bank3_9100,
3390 ARRAY_SIZE(ar5416Bank3_9100), 3);
3391 INIT_INI_ARRAY(&ahp->ah_iniBank6, ar5416Bank6_9100,
3392 ARRAY_SIZE(ar5416Bank6_9100), 3);
3393 INIT_INI_ARRAY(&ahp->ah_iniBank6TPC, ar5416Bank6TPC_9100,
3394 ARRAY_SIZE(ar5416Bank6TPC_9100), 3);
3395 INIT_INI_ARRAY(&ahp->ah_iniBank7, ar5416Bank7_9100,
3396 ARRAY_SIZE(ar5416Bank7_9100), 2);
3397 INIT_INI_ARRAY(&ahp->ah_iniAddac, ar5416Addac_9100,
3398 ARRAY_SIZE(ar5416Addac_9100), 2);
3399 } else {
3400 INIT_INI_ARRAY(&ahp->ah_iniModes, ar5416Modes,
3401 ARRAY_SIZE(ar5416Modes), 6);
3402 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar5416Common,
3403 ARRAY_SIZE(ar5416Common), 2);
3404 INIT_INI_ARRAY(&ahp->ah_iniBank0, ar5416Bank0,
3405 ARRAY_SIZE(ar5416Bank0), 2);
3406 INIT_INI_ARRAY(&ahp->ah_iniBB_RfGain, ar5416BB_RfGain,
3407 ARRAY_SIZE(ar5416BB_RfGain), 3);
3408 INIT_INI_ARRAY(&ahp->ah_iniBank1, ar5416Bank1,
3409 ARRAY_SIZE(ar5416Bank1), 2);
3410 INIT_INI_ARRAY(&ahp->ah_iniBank2, ar5416Bank2,
3411 ARRAY_SIZE(ar5416Bank2), 2);
3412 INIT_INI_ARRAY(&ahp->ah_iniBank3, ar5416Bank3,
3413 ARRAY_SIZE(ar5416Bank3), 3);
3414 INIT_INI_ARRAY(&ahp->ah_iniBank6, ar5416Bank6,
3415 ARRAY_SIZE(ar5416Bank6), 3);
3416 INIT_INI_ARRAY(&ahp->ah_iniBank6TPC, ar5416Bank6TPC,
3417 ARRAY_SIZE(ar5416Bank6TPC), 3);
3418 INIT_INI_ARRAY(&ahp->ah_iniBank7, ar5416Bank7,
3419 ARRAY_SIZE(ar5416Bank7), 2);
3420 INIT_INI_ARRAY(&ahp->ah_iniAddac, ar5416Addac,
3421 ARRAY_SIZE(ar5416Addac), 2);
3422 }
3423
3424 if (ah->ah_isPciExpress)
3425 ath9k_hw_configpcipowersave(ah, 0);
3426 else
3427 ar5416DisablePciePhy(ah);
3428
3429 ecode = ath9k_hw_post_attach(ah);
3430 if (ecode != 0)
3431 goto bad;
3432
3433#ifndef CONFIG_SLOW_ANT_DIV
3434 if (ah->ah_devid == AR9280_DEVID_PCI) {
3435 for (i = 0; i < ahp->ah_iniModes.ia_rows; i++) {
3436 u32 reg = INI_RA(&ahp->ah_iniModes, i, 0);
3437
3438 for (j = 1; j < ahp->ah_iniModes.ia_columns; j++) {
3439 u32 val = INI_RA(&ahp->ah_iniModes, i, j);
3440
3441 INI_RA(&ahp->ah_iniModes, i, j) =
3442 ath9k_hw_ini_fixup(ah, &ahp->ah_eeprom,
3443 reg, val);
3444 }
3445 }
3446 }
3447#endif
3448
3449 if (!ath9k_hw_fill_cap_info(ah)) {
3450 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
3451 "%s:failed ath9k_hw_fill_cap_info\n", __func__);
3452 ecode = -EINVAL;
3453 goto bad;
3454 }
3455
3456 ecode = ath9k_hw_init_macaddr(ah);
3457 if (ecode != 0) {
3458 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
3459 "%s: failed initializing mac address\n",
3460 __func__);
3461 goto bad;
3462 }
3463
3464 if (AR_SREV_9285(ah))
3465 ah->ah_txTrigLevel = (AR_FTRIG_256B >> AR_FTRIG_S);
3466 else
3467 ah->ah_txTrigLevel = (AR_FTRIG_512B >> AR_FTRIG_S);
3468
3469#ifndef ATH_NF_PER_CHAN
3470
3471 ath9k_init_nfcal_hist_buffer(ah);
3472#endif
3473
3474 return ah;
3475
3476bad:
3477 if (ahp)
3478 ath9k_hw_detach((struct ath_hal *) ahp);
3479 if (status)
3480 *status = ecode;
3481 return NULL;
3482}
3483
3484void ath9k_hw_detach(struct ath_hal *ah)
3485{
3486 if (!AR_SREV_9100(ah))
3487 ath9k_hw_ani_detach(ah);
3488 ath9k_hw_rfdetach(ah);
3489
3490 ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
3491 kfree(ah);
3492}
3493
3494bool ath9k_get_channel_edges(struct ath_hal *ah,
3495 u16 flags, u16 *low,
3496 u16 *high)
3497{
Sujith60b67f52008-08-07 10:52:38 +05303498 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003499
3500 if (flags & CHANNEL_5GHZ) {
Sujith60b67f52008-08-07 10:52:38 +05303501 *low = pCap->low_5ghz_chan;
3502 *high = pCap->high_5ghz_chan;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003503 return true;
3504 }
3505 if ((flags & CHANNEL_2GHZ)) {
Sujith60b67f52008-08-07 10:52:38 +05303506 *low = pCap->low_2ghz_chan;
3507 *high = pCap->high_2ghz_chan;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003508
3509 return true;
3510 }
3511 return false;
3512}
3513
3514static inline bool ath9k_hw_fill_vpd_table(u8 pwrMin,
3515 u8 pwrMax,
3516 u8 *pPwrList,
3517 u8 *pVpdList,
3518 u16
3519 numIntercepts,
3520 u8 *pRetVpdList)
3521{
3522 u16 i, k;
3523 u8 currPwr = pwrMin;
3524 u16 idxL = 0, idxR = 0;
3525
3526 for (i = 0; i <= (pwrMax - pwrMin) / 2; i++) {
3527 ath9k_hw_get_lower_upper_index(currPwr, pPwrList,
3528 numIntercepts, &(idxL),
3529 &(idxR));
3530 if (idxR < 1)
3531 idxR = 1;
3532 if (idxL == numIntercepts - 1)
3533 idxL = (u16) (numIntercepts - 2);
3534 if (pPwrList[idxL] == pPwrList[idxR])
3535 k = pVpdList[idxL];
3536 else
3537 k = (u16) (((currPwr -
3538 pPwrList[idxL]) *
3539 pVpdList[idxR] +
3540 (pPwrList[idxR] -
3541 currPwr) * pVpdList[idxL]) /
3542 (pPwrList[idxR] -
3543 pPwrList[idxL]));
3544 pRetVpdList[i] = (u8) k;
3545 currPwr += 2;
3546 }
3547
3548 return true;
3549}
3550
Sujithff9b6622008-08-14 13:27:16 +05303551static void
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003552ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hal *ah,
3553 struct ath9k_channel *chan,
3554 struct cal_data_per_freq *pRawDataSet,
3555 u8 *bChans,
3556 u16 availPiers,
3557 u16 tPdGainOverlap,
3558 int16_t *pMinCalPower,
3559 u16 *pPdGainBoundaries,
3560 u8 *pPDADCValues,
3561 u16 numXpdGains)
3562{
3563 int i, j, k;
3564 int16_t ss;
3565 u16 idxL = 0, idxR = 0, numPiers;
3566 static u8 vpdTableL[AR5416_NUM_PD_GAINS]
3567 [AR5416_MAX_PWR_RANGE_IN_HALF_DB];
3568 static u8 vpdTableR[AR5416_NUM_PD_GAINS]
3569 [AR5416_MAX_PWR_RANGE_IN_HALF_DB];
3570 static u8 vpdTableI[AR5416_NUM_PD_GAINS]
3571 [AR5416_MAX_PWR_RANGE_IN_HALF_DB];
3572
3573 u8 *pVpdL, *pVpdR, *pPwrL, *pPwrR;
3574 u8 minPwrT4[AR5416_NUM_PD_GAINS];
3575 u8 maxPwrT4[AR5416_NUM_PD_GAINS];
3576 int16_t vpdStep;
3577 int16_t tmpVal;
3578 u16 sizeCurrVpdTable, maxIndex, tgtIndex;
3579 bool match;
3580 int16_t minDelta = 0;
3581 struct chan_centers centers;
3582
3583 ath9k_hw_get_channel_centers(ah, chan, &centers);
3584
3585 for (numPiers = 0; numPiers < availPiers; numPiers++) {
3586 if (bChans[numPiers] == AR5416_BCHAN_UNUSED)
3587 break;
3588 }
3589
3590 match = ath9k_hw_get_lower_upper_index((u8)
3591 FREQ2FBIN(centers.
3592 synth_center,
3593 IS_CHAN_2GHZ
3594 (chan)), bChans,
3595 numPiers, &idxL, &idxR);
3596
3597 if (match) {
3598 for (i = 0; i < numXpdGains; i++) {
3599 minPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][0];
3600 maxPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][4];
3601 ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
3602 pRawDataSet[idxL].
3603 pwrPdg[i],
3604 pRawDataSet[idxL].
3605 vpdPdg[i],
3606 AR5416_PD_GAIN_ICEPTS,
3607 vpdTableI[i]);
3608 }
3609 } else {
3610 for (i = 0; i < numXpdGains; i++) {
3611 pVpdL = pRawDataSet[idxL].vpdPdg[i];
3612 pPwrL = pRawDataSet[idxL].pwrPdg[i];
3613 pVpdR = pRawDataSet[idxR].vpdPdg[i];
3614 pPwrR = pRawDataSet[idxR].pwrPdg[i];
3615
3616 minPwrT4[i] = max(pPwrL[0], pPwrR[0]);
3617
3618 maxPwrT4[i] =
3619 min(pPwrL[AR5416_PD_GAIN_ICEPTS - 1],
3620 pPwrR[AR5416_PD_GAIN_ICEPTS - 1]);
3621
3622
3623 ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
3624 pPwrL, pVpdL,
3625 AR5416_PD_GAIN_ICEPTS,
3626 vpdTableL[i]);
3627 ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
3628 pPwrR, pVpdR,
3629 AR5416_PD_GAIN_ICEPTS,
3630 vpdTableR[i]);
3631
3632 for (j = 0; j <= (maxPwrT4[i] - minPwrT4[i]) / 2; j++) {
3633 vpdTableI[i][j] =
3634 (u8) (ath9k_hw_interpolate
3635 ((u16)
3636 FREQ2FBIN(centers.
3637 synth_center,
3638 IS_CHAN_2GHZ
3639 (chan)),
3640 bChans[idxL],
3641 bChans[idxR], vpdTableL[i]
3642 [j], vpdTableR[i]
3643 [j]));
3644 }
3645 }
3646 }
3647
3648 *pMinCalPower = (int16_t) (minPwrT4[0] / 2);
3649
3650 k = 0;
3651 for (i = 0; i < numXpdGains; i++) {
3652 if (i == (numXpdGains - 1))
3653 pPdGainBoundaries[i] =
3654 (u16) (maxPwrT4[i] / 2);
3655 else
3656 pPdGainBoundaries[i] =
3657 (u16) ((maxPwrT4[i] +
3658 minPwrT4[i + 1]) / 4);
3659
3660 pPdGainBoundaries[i] =
3661 min((u16) AR5416_MAX_RATE_POWER,
3662 pPdGainBoundaries[i]);
3663
3664 if ((i == 0) && !AR_SREV_5416_V20_OR_LATER(ah)) {
3665 minDelta = pPdGainBoundaries[0] - 23;
3666 pPdGainBoundaries[0] = 23;
3667 } else {
3668 minDelta = 0;
3669 }
3670
3671 if (i == 0) {
3672 if (AR_SREV_9280_10_OR_LATER(ah))
3673 ss = (int16_t) (0 - (minPwrT4[i] / 2));
3674 else
3675 ss = 0;
3676 } else {
3677 ss = (int16_t) ((pPdGainBoundaries[i - 1] -
3678 (minPwrT4[i] / 2)) -
3679 tPdGainOverlap + 1 + minDelta);
3680 }
3681 vpdStep = (int16_t) (vpdTableI[i][1] - vpdTableI[i][0]);
3682 vpdStep = (int16_t) ((vpdStep < 1) ? 1 : vpdStep);
3683
3684 while ((ss < 0) && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
3685 tmpVal = (int16_t) (vpdTableI[i][0] + ss * vpdStep);
3686 pPDADCValues[k++] =
3687 (u8) ((tmpVal < 0) ? 0 : tmpVal);
3688 ss++;
3689 }
3690
3691 sizeCurrVpdTable =
3692 (u8) ((maxPwrT4[i] - minPwrT4[i]) / 2 + 1);
3693 tgtIndex = (u8) (pPdGainBoundaries[i] + tPdGainOverlap -
3694 (minPwrT4[i] / 2));
3695 maxIndex = (tgtIndex <
3696 sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable;
3697
3698 while ((ss < maxIndex)
3699 && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
3700 pPDADCValues[k++] = vpdTableI[i][ss++];
3701 }
3702
3703 vpdStep = (int16_t) (vpdTableI[i][sizeCurrVpdTable - 1] -
3704 vpdTableI[i][sizeCurrVpdTable - 2]);
3705 vpdStep = (int16_t) ((vpdStep < 1) ? 1 : vpdStep);
3706
3707 if (tgtIndex > maxIndex) {
3708 while ((ss <= tgtIndex)
3709 && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
3710 tmpVal = (int16_t) ((vpdTableI[i]
3711 [sizeCurrVpdTable -
3712 1] + (ss - maxIndex +
3713 1) * vpdStep));
3714 pPDADCValues[k++] = (u8) ((tmpVal >
3715 255) ? 255 : tmpVal);
3716 ss++;
3717 }
3718 }
3719 }
3720
3721 while (i < AR5416_PD_GAINS_IN_MASK) {
3722 pPdGainBoundaries[i] = pPdGainBoundaries[i - 1];
3723 i++;
3724 }
3725
3726 while (k < AR5416_NUM_PDADC_VALUES) {
3727 pPDADCValues[k] = pPDADCValues[k - 1];
3728 k++;
3729 }
3730 return;
3731}
3732
Sujithff9b6622008-08-14 13:27:16 +05303733static bool
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003734ath9k_hw_set_power_cal_table(struct ath_hal *ah,
3735 struct ar5416_eeprom *pEepData,
3736 struct ath9k_channel *chan,
3737 int16_t *pTxPowerIndexOffset)
3738{
3739 struct cal_data_per_freq *pRawDataset;
3740 u8 *pCalBChans = NULL;
3741 u16 pdGainOverlap_t2;
3742 static u8 pdadcValues[AR5416_NUM_PDADC_VALUES];
3743 u16 gainBoundaries[AR5416_PD_GAINS_IN_MASK];
3744 u16 numPiers, i, j;
3745 int16_t tMinCalPower;
3746 u16 numXpdGain, xpdMask;
3747 u16 xpdGainValues[AR5416_NUM_PD_GAINS] = { 0, 0, 0, 0 };
3748 u32 reg32, regOffset, regChainOffset;
3749 int16_t modalIdx;
3750 struct ath_hal_5416 *ahp = AH5416(ah);
3751
3752 modalIdx = IS_CHAN_2GHZ(chan) ? 1 : 0;
3753 xpdMask = pEepData->modalHeader[modalIdx].xpdGain;
3754
3755 if ((pEepData->baseEepHeader.
3756 version & AR5416_EEP_VER_MINOR_MASK) >=
3757 AR5416_EEP_MINOR_VER_2) {
3758 pdGainOverlap_t2 =
3759 pEepData->modalHeader[modalIdx].pdGainOverlap;
3760 } else {
3761 pdGainOverlap_t2 =
3762 (u16) (MS
3763 (REG_READ(ah, AR_PHY_TPCRG5),
3764 AR_PHY_TPCRG5_PD_GAIN_OVERLAP));
3765 }
3766
3767 if (IS_CHAN_2GHZ(chan)) {
3768 pCalBChans = pEepData->calFreqPier2G;
3769 numPiers = AR5416_NUM_2G_CAL_PIERS;
3770 } else {
3771 pCalBChans = pEepData->calFreqPier5G;
3772 numPiers = AR5416_NUM_5G_CAL_PIERS;
3773 }
3774
3775 numXpdGain = 0;
3776
3777 for (i = 1; i <= AR5416_PD_GAINS_IN_MASK; i++) {
3778 if ((xpdMask >> (AR5416_PD_GAINS_IN_MASK - i)) & 1) {
3779 if (numXpdGain >= AR5416_NUM_PD_GAINS)
3780 break;
3781 xpdGainValues[numXpdGain] =
3782 (u16) (AR5416_PD_GAINS_IN_MASK - i);
3783 numXpdGain++;
3784 }
3785 }
3786
3787 REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN,
3788 (numXpdGain - 1) & 0x3);
3789 REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_1,
3790 xpdGainValues[0]);
3791 REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_2,
3792 xpdGainValues[1]);
3793 REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3,
3794 xpdGainValues[2]);
3795
3796 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
3797 if (AR_SREV_5416_V20_OR_LATER(ah) &&
3798 (ahp->ah_rxchainmask == 5 || ahp->ah_txchainmask == 5)
3799 && (i != 0)) {
3800 regChainOffset = (i == 1) ? 0x2000 : 0x1000;
3801 } else
3802 regChainOffset = i * 0x1000;
3803 if (pEepData->baseEepHeader.txMask & (1 << i)) {
3804 if (IS_CHAN_2GHZ(chan))
3805 pRawDataset = pEepData->calPierData2G[i];
3806 else
3807 pRawDataset = pEepData->calPierData5G[i];
3808
3809 ath9k_hw_get_gain_boundaries_pdadcs(ah, chan,
3810 pRawDataset,
3811 pCalBChans,
3812 numPiers,
3813 pdGainOverlap_t2,
3814 &tMinCalPower,
3815 gainBoundaries,
3816 pdadcValues,
3817 numXpdGain);
3818
3819 if ((i == 0) || AR_SREV_5416_V20_OR_LATER(ah)) {
3820
3821 REG_WRITE(ah,
3822 AR_PHY_TPCRG5 + regChainOffset,
3823 SM(pdGainOverlap_t2,
3824 AR_PHY_TPCRG5_PD_GAIN_OVERLAP)
3825 | SM(gainBoundaries[0],
3826 AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1)
3827 | SM(gainBoundaries[1],
3828 AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2)
3829 | SM(gainBoundaries[2],
3830 AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3)
3831 | SM(gainBoundaries[3],
3832 AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
3833 }
3834
3835 regOffset =
3836 AR_PHY_BASE + (672 << 2) + regChainOffset;
3837 for (j = 0; j < 32; j++) {
3838 reg32 =
3839 ((pdadcValues[4 * j + 0] & 0xFF) << 0)
3840 | ((pdadcValues[4 * j + 1] & 0xFF) <<
3841 8) | ((pdadcValues[4 * j + 2] &
3842 0xFF) << 16) |
3843 ((pdadcValues[4 * j + 3] & 0xFF) <<
3844 24);
3845 REG_WRITE(ah, regOffset, reg32);
3846
3847 DPRINTF(ah->ah_sc, ATH_DBG_PHY_IO,
3848 "PDADC (%d,%4x): %4.4x %8.8x\n",
3849 i, regChainOffset, regOffset,
3850 reg32);
3851 DPRINTF(ah->ah_sc, ATH_DBG_PHY_IO,
3852 "PDADC: Chain %d | PDADC %3d Value %3d | "
3853 "PDADC %3d Value %3d | PDADC %3d Value %3d | "
3854 "PDADC %3d Value %3d |\n",
3855 i, 4 * j, pdadcValues[4 * j],
3856 4 * j + 1, pdadcValues[4 * j + 1],
3857 4 * j + 2, pdadcValues[4 * j + 2],
3858 4 * j + 3,
3859 pdadcValues[4 * j + 3]);
3860
3861 regOffset += 4;
3862 }
3863 }
3864 }
3865 *pTxPowerIndexOffset = 0;
3866
3867 return true;
3868}
3869
3870void ath9k_hw_configpcipowersave(struct ath_hal *ah, int restore)
3871{
3872 struct ath_hal_5416 *ahp = AH5416(ah);
3873 u8 i;
3874
3875 if (ah->ah_isPciExpress != true)
3876 return;
3877
Sujith60b67f52008-08-07 10:52:38 +05303878 if (ah->ah_config.pcie_powersave_enable == 2)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003879 return;
3880
3881 if (restore)
3882 return;
3883
3884 if (AR_SREV_9280_20_OR_LATER(ah)) {
3885 for (i = 0; i < ahp->ah_iniPcieSerdes.ia_rows; i++) {
3886 REG_WRITE(ah, INI_RA(&ahp->ah_iniPcieSerdes, i, 0),
3887 INI_RA(&ahp->ah_iniPcieSerdes, i, 1));
3888 }
3889 udelay(1000);
3890 } else if (AR_SREV_9280(ah)
3891 && (ah->ah_macRev == AR_SREV_REVISION_9280_10)) {
3892 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fd00);
3893 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
3894
3895 REG_WRITE(ah, AR_PCIE_SERDES, 0xa8000019);
3896 REG_WRITE(ah, AR_PCIE_SERDES, 0x13160820);
3897 REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980560);
3898
Sujith60b67f52008-08-07 10:52:38 +05303899 if (ah->ah_config.pcie_clock_req)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003900 REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffc);
3901 else
3902 REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffd);
3903
3904 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
3905 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
3906 REG_WRITE(ah, AR_PCIE_SERDES, 0x00043007);
3907
3908 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
3909
3910 udelay(1000);
3911 } else {
3912 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
3913 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
3914 REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
3915 REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
3916 REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
3917 REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
3918 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
3919 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
3920 REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
3921 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
3922 }
3923
3924 REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
3925
Sujith60b67f52008-08-07 10:52:38 +05303926 if (ah->ah_config.pcie_waen) {
3927 REG_WRITE(ah, AR_WA, ah->ah_config.pcie_waen);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003928 } else {
3929 if (AR_SREV_9280(ah))
3930 REG_WRITE(ah, AR_WA, 0x0040073f);
3931 else
3932 REG_WRITE(ah, AR_WA, 0x0000073f);
3933 }
3934}
3935
Sujithff9b6622008-08-14 13:27:16 +05303936static void
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07003937ath9k_hw_get_legacy_target_powers(struct ath_hal *ah,
3938 struct ath9k_channel *chan,
3939 struct cal_target_power_leg *powInfo,
3940 u16 numChannels,
3941 struct cal_target_power_leg *pNewPower,
3942 u16 numRates,
3943 bool isExtTarget)
3944{
3945 u16 clo, chi;
3946 int i;
3947 int matchIndex = -1, lowIndex = -1;
3948 u16 freq;
3949 struct chan_centers centers;
3950
3951 ath9k_hw_get_channel_centers(ah, chan, &centers);
3952 freq = (isExtTarget) ? centers.ext_center : centers.ctl_center;
3953
3954 if (freq <= ath9k_hw_fbin2freq(powInfo[0].bChannel,
3955 IS_CHAN_2GHZ(chan))) {
3956 matchIndex = 0;
3957 } else {
3958 for (i = 0; (i < numChannels)
3959 && (powInfo[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
3960 if (freq ==
3961 ath9k_hw_fbin2freq(powInfo[i].bChannel,
3962 IS_CHAN_2GHZ(chan))) {
3963 matchIndex = i;
3964 break;
3965 } else if ((freq <
3966 ath9k_hw_fbin2freq(powInfo[i].bChannel,
3967 IS_CHAN_2GHZ(chan)))
3968 && (freq >
3969 ath9k_hw_fbin2freq(powInfo[i - 1].
3970 bChannel,
3971 IS_CHAN_2GHZ
3972 (chan)))) {
3973 lowIndex = i - 1;
3974 break;
3975 }
3976 }
3977 if ((matchIndex == -1) && (lowIndex == -1))
3978 matchIndex = i - 1;
3979 }
3980
3981 if (matchIndex != -1) {
3982 *pNewPower = powInfo[matchIndex];
3983 } else {
3984 clo = ath9k_hw_fbin2freq(powInfo[lowIndex].bChannel,
3985 IS_CHAN_2GHZ(chan));
3986 chi = ath9k_hw_fbin2freq(powInfo[lowIndex + 1].bChannel,
3987 IS_CHAN_2GHZ(chan));
3988
3989 for (i = 0; i < numRates; i++) {
3990 pNewPower->tPow2x[i] =
3991 (u8) ath9k_hw_interpolate(freq, clo, chi,
3992 powInfo
3993 [lowIndex].
3994 tPow2x[i],
3995 powInfo
3996 [lowIndex +
3997 1].tPow2x[i]);
3998 }
3999 }
4000}
4001
Sujithff9b6622008-08-14 13:27:16 +05304002static void
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07004003ath9k_hw_get_target_powers(struct ath_hal *ah,
4004 struct ath9k_channel *chan,
4005 struct cal_target_power_ht *powInfo,
4006 u16 numChannels,
4007 struct cal_target_power_ht *pNewPower,
4008 u16 numRates,
4009 bool isHt40Target)
4010{
4011 u16 clo, chi;
4012 int i;
4013 int matchIndex = -1, lowIndex = -1;
4014 u16 freq;
4015 struct chan_centers centers;
4016
4017 ath9k_hw_get_channel_centers(ah, chan, &centers);
4018 freq = isHt40Target ? centers.synth_center : centers.ctl_center;
4019
4020 if (freq <=
4021 ath9k_hw_fbin2freq(powInfo[0].bChannel, IS_CHAN_2GHZ(chan))) {
4022 matchIndex = 0;
4023 } else {
4024 for (i = 0; (i < numChannels)
4025 && (powInfo[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
4026 if (freq ==
4027 ath9k_hw_fbin2freq(powInfo[i].bChannel,
4028 IS_CHAN_2GHZ(chan))) {
4029 matchIndex = i;
4030 break;
4031 } else
4032 if ((freq <
4033 ath9k_hw_fbin2freq(powInfo[i].bChannel,
4034 IS_CHAN_2GHZ(chan)))
4035 && (freq >
4036 ath9k_hw_fbin2freq(powInfo[i - 1].
4037 bChannel,
4038 IS_CHAN_2GHZ
4039 (chan)))) {
4040 lowIndex = i - 1;
4041 break;
4042 }
4043 }
4044 if ((matchIndex == -1) && (lowIndex == -1))
4045 matchIndex = i - 1;
4046 }
4047
4048 if (matchIndex != -1) {
4049 *pNewPower = powInfo[matchIndex];
4050 } else {
4051 clo = ath9k_hw_fbin2freq(powInfo[lowIndex].bChannel,
4052 IS_CHAN_2GHZ(chan));
4053 chi = ath9k_hw_fbin2freq(powInfo[lowIndex + 1].bChannel,
4054 IS_CHAN_2GHZ(chan));
4055
4056 for (i = 0; i < numRates; i++) {
4057 pNewPower->tPow2x[i] =
4058 (u8) ath9k_hw_interpolate(freq, clo, chi,
4059 powInfo
4060 [lowIndex].
4061 tPow2x[i],
4062 powInfo
4063 [lowIndex +
4064 1].tPow2x[i]);
4065 }
4066 }
4067}
4068
Sujithff9b6622008-08-14 13:27:16 +05304069static u16
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07004070ath9k_hw_get_max_edge_power(u16 freq,
4071 struct cal_ctl_edges *pRdEdgesPower,
4072 bool is2GHz)
4073{
4074 u16 twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
4075 int i;
4076
4077 for (i = 0; (i < AR5416_NUM_BAND_EDGES)
4078 && (pRdEdgesPower[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
4079 if (freq == ath9k_hw_fbin2freq(pRdEdgesPower[i].bChannel,
4080 is2GHz)) {
4081 twiceMaxEdgePower = pRdEdgesPower[i].tPower;
4082 break;
4083 } else if ((i > 0)
4084 && (freq <
4085 ath9k_hw_fbin2freq(pRdEdgesPower[i].
4086 bChannel, is2GHz))) {
4087 if (ath9k_hw_fbin2freq
4088 (pRdEdgesPower[i - 1].bChannel, is2GHz) < freq
4089 && pRdEdgesPower[i - 1].flag) {
4090 twiceMaxEdgePower =
4091 pRdEdgesPower[i - 1].tPower;
4092 }
4093 break;
4094 }
4095 }
4096 return twiceMaxEdgePower;
4097}
4098
Sujithff9b6622008-08-14 13:27:16 +05304099static bool
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07004100ath9k_hw_set_power_per_rate_table(struct ath_hal *ah,
4101 struct ar5416_eeprom *pEepData,
4102 struct ath9k_channel *chan,
4103 int16_t *ratesArray,
4104 u16 cfgCtl,
4105 u8 AntennaReduction,
4106 u8 twiceMaxRegulatoryPower,
4107 u8 powerLimit)
4108{
4109 u8 twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
4110 static const u16 tpScaleReductionTable[5] =
4111 { 0, 3, 6, 9, AR5416_MAX_RATE_POWER };
4112
4113 int i;
4114 int8_t twiceLargestAntenna;
4115 struct cal_ctl_data *rep;
4116 struct cal_target_power_leg targetPowerOfdm, targetPowerCck = {
4117 0, { 0, 0, 0, 0}
4118 };
4119 struct cal_target_power_leg targetPowerOfdmExt = {
4120 0, { 0, 0, 0, 0} }, targetPowerCckExt = {
4121 0, { 0, 0, 0, 0 }
4122 };
4123 struct cal_target_power_ht targetPowerHt20, targetPowerHt40 = {
4124 0, {0, 0, 0, 0}
4125 };
4126 u8 scaledPower = 0, minCtlPower, maxRegAllowedPower;
4127 u16 ctlModesFor11a[] =
4128 { CTL_11A, CTL_5GHT20, CTL_11A_EXT, CTL_5GHT40 };
4129 u16 ctlModesFor11g[] =
4130 { CTL_11B, CTL_11G, CTL_2GHT20, CTL_11B_EXT, CTL_11G_EXT,
4131 CTL_2GHT40
4132 };
4133 u16 numCtlModes, *pCtlMode, ctlMode, freq;
4134 struct chan_centers centers;
4135 int tx_chainmask;
4136 u8 twiceMinEdgePower;
4137 struct ath_hal_5416 *ahp = AH5416(ah);
4138
4139 tx_chainmask = ahp->ah_txchainmask;
4140
4141 ath9k_hw_get_channel_centers(ah, chan, &centers);
4142
4143 twiceLargestAntenna = max(
4144 pEepData->modalHeader
4145 [IS_CHAN_2GHZ(chan)].antennaGainCh[0],
4146 pEepData->modalHeader
4147 [IS_CHAN_2GHZ(chan)].antennaGainCh[1]);
4148
4149 twiceLargestAntenna = max((u8) twiceLargestAntenna,
4150 pEepData->modalHeader
4151 [IS_CHAN_2GHZ(chan)].antennaGainCh[2]);
4152
4153 twiceLargestAntenna =
4154 (int8_t) min(AntennaReduction - twiceLargestAntenna, 0);
4155
4156 maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
4157
4158 if (ah->ah_tpScale != ATH9K_TP_SCALE_MAX) {
4159 maxRegAllowedPower -=
4160 (tpScaleReductionTable[(ah->ah_tpScale)] * 2);
4161 }
4162
4163 scaledPower = min(powerLimit, maxRegAllowedPower);
4164
4165 switch (ar5416_get_ntxchains(tx_chainmask)) {
4166 case 1:
4167 break;
4168 case 2:
4169 scaledPower -=
4170 pEepData->modalHeader[IS_CHAN_2GHZ(chan)].
4171 pwrDecreaseFor2Chain;
4172 break;
4173 case 3:
4174 scaledPower -=
4175 pEepData->modalHeader[IS_CHAN_2GHZ(chan)].
4176 pwrDecreaseFor3Chain;
4177 break;
4178 }
4179
4180 scaledPower = max(0, (int32_t) scaledPower);
4181
4182 if (IS_CHAN_2GHZ(chan)) {
4183 numCtlModes =
4184 ARRAY_SIZE(ctlModesFor11g) -
4185 SUB_NUM_CTL_MODES_AT_2G_40;
4186 pCtlMode = ctlModesFor11g;
4187
4188 ath9k_hw_get_legacy_target_powers(ah, chan,
4189 pEepData->
4190 calTargetPowerCck,
4191 AR5416_NUM_2G_CCK_TARGET_POWERS,
4192 &targetPowerCck, 4,
4193 false);
4194 ath9k_hw_get_legacy_target_powers(ah, chan,
4195 pEepData->
4196 calTargetPower2G,
4197 AR5416_NUM_2G_20_TARGET_POWERS,
4198 &targetPowerOfdm, 4,
4199 false);
4200 ath9k_hw_get_target_powers(ah, chan,
4201 pEepData->calTargetPower2GHT20,
4202 AR5416_NUM_2G_20_TARGET_POWERS,
4203 &targetPowerHt20, 8, false);
4204
4205 if (IS_CHAN_HT40(chan)) {
4206 numCtlModes = ARRAY_SIZE(ctlModesFor11g);
4207 ath9k_hw_get_target_powers(ah, chan,
4208 pEepData->
4209 calTargetPower2GHT40,
4210 AR5416_NUM_2G_40_TARGET_POWERS,
4211 &targetPowerHt40, 8,
4212 true);
4213 ath9k_hw_get_legacy_target_powers(ah, chan,
4214 pEepData->
4215 calTargetPowerCck,
4216 AR5416_NUM_2G_CCK_TARGET_POWERS,
4217 &targetPowerCckExt,
4218 4, true);
4219 ath9k_hw_get_legacy_target_powers(ah, chan,
4220 pEepData->
4221 calTargetPower2G,
4222 AR5416_NUM_2G_20_TARGET_POWERS,
4223 &targetPowerOfdmExt,
4224 4, true);
4225 }
4226 } else {
4227
4228 numCtlModes =
4229 ARRAY_SIZE(ctlModesFor11a) -
4230 SUB_NUM_CTL_MODES_AT_5G_40;
4231 pCtlMode = ctlModesFor11a;
4232
4233 ath9k_hw_get_legacy_target_powers(ah, chan,
4234 pEepData->
4235 calTargetPower5G,
4236 AR5416_NUM_5G_20_TARGET_POWERS,
4237 &targetPowerOfdm, 4,
4238 false);
4239 ath9k_hw_get_target_powers(ah, chan,
4240 pEepData->calTargetPower5GHT20,
4241 AR5416_NUM_5G_20_TARGET_POWERS,
4242 &targetPowerHt20, 8, false);
4243
4244 if (IS_CHAN_HT40(chan)) {
4245 numCtlModes = ARRAY_SIZE(ctlModesFor11a);
4246 ath9k_hw_get_target_powers(ah, chan,
4247 pEepData->
4248 calTargetPower5GHT40,
4249 AR5416_NUM_5G_40_TARGET_POWERS,
4250 &targetPowerHt40, 8,
4251 true);
4252 ath9k_hw_get_legacy_target_powers(ah, chan,
4253 pEepData->
4254 calTargetPower5G,
4255 AR5416_NUM_5G_20_TARGET_POWERS,
4256 &targetPowerOfdmExt,
4257 4, true);
4258 }
4259 }
4260
4261 for (ctlMode = 0; ctlMode < numCtlModes; ctlMode++) {
4262 bool isHt40CtlMode =
4263 (pCtlMode[ctlMode] == CTL_5GHT40)
4264 || (pCtlMode[ctlMode] == CTL_2GHT40);
4265 if (isHt40CtlMode)
4266 freq = centers.synth_center;
4267 else if (pCtlMode[ctlMode] & EXT_ADDITIVE)
4268 freq = centers.ext_center;
4269 else
4270 freq = centers.ctl_center;
4271
4272 if (ar5416_get_eep_ver(ahp) == 14
4273 && ar5416_get_eep_rev(ahp) <= 2)
4274 twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
4275
4276 DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
4277 "LOOP-Mode ctlMode %d < %d, isHt40CtlMode %d, "
4278 "EXT_ADDITIVE %d\n",
4279 ctlMode, numCtlModes, isHt40CtlMode,
4280 (pCtlMode[ctlMode] & EXT_ADDITIVE));
4281
4282 for (i = 0; (i < AR5416_NUM_CTLS) && pEepData->ctlIndex[i];
4283 i++) {
4284 DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
4285 " LOOP-Ctlidx %d: cfgCtl 0x%2.2x "
4286 "pCtlMode 0x%2.2x ctlIndex 0x%2.2x "
4287 "chan %d\n",
4288 i, cfgCtl, pCtlMode[ctlMode],
4289 pEepData->ctlIndex[i], chan->channel);
4290
4291 if ((((cfgCtl & ~CTL_MODE_M) |
4292 (pCtlMode[ctlMode] & CTL_MODE_M)) ==
4293 pEepData->ctlIndex[i])
4294 ||
4295 (((cfgCtl & ~CTL_MODE_M) |
4296 (pCtlMode[ctlMode] & CTL_MODE_M)) ==
4297 ((pEepData->
4298 ctlIndex[i] & CTL_MODE_M) | SD_NO_CTL))) {
4299 rep = &(pEepData->ctlData[i]);
4300
4301 twiceMinEdgePower =
4302 ath9k_hw_get_max_edge_power(freq,
4303 rep->
4304 ctlEdges
4305 [ar5416_get_ntxchains
4306 (tx_chainmask)
4307 - 1],
4308 IS_CHAN_2GHZ
4309 (chan));
4310
4311 DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
4312 " MATCH-EE_IDX %d: ch %d is2 %d "
4313 "2xMinEdge %d chainmask %d chains %d\n",
4314 i, freq, IS_CHAN_2GHZ(chan),
4315 twiceMinEdgePower, tx_chainmask,
4316 ar5416_get_ntxchains
4317 (tx_chainmask));
4318 if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL) {
4319 twiceMaxEdgePower =
4320 min(twiceMaxEdgePower,
4321 twiceMinEdgePower);
4322 } else {
4323 twiceMaxEdgePower =
4324 twiceMinEdgePower;
4325 break;
4326 }
4327 }
4328 }
4329
4330 minCtlPower = min(twiceMaxEdgePower, scaledPower);
4331
4332 DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
4333 " SEL-Min ctlMode %d pCtlMode %d "
4334 "2xMaxEdge %d sP %d minCtlPwr %d\n",
4335 ctlMode, pCtlMode[ctlMode], twiceMaxEdgePower,
4336 scaledPower, minCtlPower);
4337
4338 switch (pCtlMode[ctlMode]) {
4339 case CTL_11B:
4340 for (i = 0; i < ARRAY_SIZE(targetPowerCck.tPow2x);
4341 i++) {
4342 targetPowerCck.tPow2x[i] =
4343 min(targetPowerCck.tPow2x[i],
4344 minCtlPower);
4345 }
4346 break;
4347 case CTL_11A:
4348 case CTL_11G:
4349 for (i = 0; i < ARRAY_SIZE(targetPowerOfdm.tPow2x);
4350 i++) {
4351 targetPowerOfdm.tPow2x[i] =
4352 min(targetPowerOfdm.tPow2x[i],
4353 minCtlPower);
4354 }
4355 break;
4356 case CTL_5GHT20:
4357 case CTL_2GHT20:
4358 for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x);
4359 i++) {
4360 targetPowerHt20.tPow2x[i] =
4361 min(targetPowerHt20.tPow2x[i],
4362 minCtlPower);
4363 }
4364 break;
4365 case CTL_11B_EXT:
4366 targetPowerCckExt.tPow2x[0] =
4367 min(targetPowerCckExt.tPow2x[0], minCtlPower);
4368 break;
4369 case CTL_11A_EXT:
4370 case CTL_11G_EXT:
4371 targetPowerOfdmExt.tPow2x[0] =
4372 min(targetPowerOfdmExt.tPow2x[0], minCtlPower);
4373 break;
4374 case CTL_5GHT40:
4375 case CTL_2GHT40:
4376 for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x);
4377 i++) {
4378 targetPowerHt40.tPow2x[i] =
4379 min(targetPowerHt40.tPow2x[i],
4380 minCtlPower);
4381 }
4382 break;
4383 default:
4384 break;
4385 }
4386 }
4387
4388 ratesArray[rate6mb] = ratesArray[rate9mb] = ratesArray[rate12mb] =
4389 ratesArray[rate18mb] = ratesArray[rate24mb] =
4390 targetPowerOfdm.tPow2x[0];
4391 ratesArray[rate36mb] = targetPowerOfdm.tPow2x[1];
4392 ratesArray[rate48mb] = targetPowerOfdm.tPow2x[2];
4393 ratesArray[rate54mb] = targetPowerOfdm.tPow2x[3];
4394 ratesArray[rateXr] = targetPowerOfdm.tPow2x[0];
4395
4396 for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x); i++)
4397 ratesArray[rateHt20_0 + i] = targetPowerHt20.tPow2x[i];
4398
4399 if (IS_CHAN_2GHZ(chan)) {
4400 ratesArray[rate1l] = targetPowerCck.tPow2x[0];
4401 ratesArray[rate2s] = ratesArray[rate2l] =
4402 targetPowerCck.tPow2x[1];
4403 ratesArray[rate5_5s] = ratesArray[rate5_5l] =
4404 targetPowerCck.tPow2x[2];
4405 ;
4406 ratesArray[rate11s] = ratesArray[rate11l] =
4407 targetPowerCck.tPow2x[3];
4408 ;
4409 }
4410 if (IS_CHAN_HT40(chan)) {
4411 for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x); i++) {
4412 ratesArray[rateHt40_0 + i] =
4413 targetPowerHt40.tPow2x[i];
4414 }
4415 ratesArray[rateDupOfdm] = targetPowerHt40.tPow2x[0];
4416 ratesArray[rateDupCck] = targetPowerHt40.tPow2x[0];
4417 ratesArray[rateExtOfdm] = targetPowerOfdmExt.tPow2x[0];
4418 if (IS_CHAN_2GHZ(chan)) {
4419 ratesArray[rateExtCck] =
4420 targetPowerCckExt.tPow2x[0];
4421 }
4422 }
4423 return true;
4424}
4425
4426static int
4427ath9k_hw_set_txpower(struct ath_hal *ah,
4428 struct ar5416_eeprom *pEepData,
4429 struct ath9k_channel *chan,
4430 u16 cfgCtl,
4431 u8 twiceAntennaReduction,
4432 u8 twiceMaxRegulatoryPower,
4433 u8 powerLimit)
4434{
4435 struct modal_eep_header *pModal =
4436 &(pEepData->modalHeader[IS_CHAN_2GHZ(chan)]);
4437 int16_t ratesArray[Ar5416RateSize];
4438 int16_t txPowerIndexOffset = 0;
4439 u8 ht40PowerIncForPdadc = 2;
4440 int i;
4441
4442 memset(ratesArray, 0, sizeof(ratesArray));
4443
4444 if ((pEepData->baseEepHeader.
4445 version & AR5416_EEP_VER_MINOR_MASK) >=
4446 AR5416_EEP_MINOR_VER_2) {
4447 ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc;
4448 }
4449
4450 if (!ath9k_hw_set_power_per_rate_table(ah, pEepData, chan,
4451 &ratesArray[0], cfgCtl,
4452 twiceAntennaReduction,
4453 twiceMaxRegulatoryPower,
4454 powerLimit)) {
4455 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
4456 "ath9k_hw_set_txpower: unable to set "
4457 "tx power per rate table\n");
4458 return -EIO;
4459 }
4460
4461 if (!ath9k_hw_set_power_cal_table
4462 (ah, pEepData, chan, &txPowerIndexOffset)) {
4463 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
4464 "ath9k_hw_set_txpower: unable to set power table\n");
4465 return -EIO;
4466 }
4467
4468 for (i = 0; i < ARRAY_SIZE(ratesArray); i++) {
4469 ratesArray[i] =
4470 (int16_t) (txPowerIndexOffset + ratesArray[i]);
4471 if (ratesArray[i] > AR5416_MAX_RATE_POWER)
4472 ratesArray[i] = AR5416_MAX_RATE_POWER;
4473 }
4474
4475 if (AR_SREV_9280_10_OR_LATER(ah)) {
4476 for (i = 0; i < Ar5416RateSize; i++)
4477 ratesArray[i] -= AR5416_PWR_TABLE_OFFSET * 2;
4478 }
4479
4480 REG_WRITE(ah, AR_PHY_POWER_TX_RATE1,
4481 ATH9K_POW_SM(ratesArray[rate18mb], 24)
4482 | ATH9K_POW_SM(ratesArray[rate12mb], 16)
4483 | ATH9K_POW_SM(ratesArray[rate9mb], 8)
4484 | ATH9K_POW_SM(ratesArray[rate6mb], 0)
4485 );
4486 REG_WRITE(ah, AR_PHY_POWER_TX_RATE2,
4487 ATH9K_POW_SM(ratesArray[rate54mb], 24)
4488 | ATH9K_POW_SM(ratesArray[rate48mb], 16)
4489 | ATH9K_POW_SM(ratesArray[rate36mb], 8)
4490 | ATH9K_POW_SM(ratesArray[rate24mb], 0)
4491 );
4492
4493 if (IS_CHAN_2GHZ(chan)) {
4494 REG_WRITE(ah, AR_PHY_POWER_TX_RATE3,
4495 ATH9K_POW_SM(ratesArray[rate2s], 24)
4496 | ATH9K_POW_SM(ratesArray[rate2l], 16)
4497 | ATH9K_POW_SM(ratesArray[rateXr], 8)
4498 | ATH9K_POW_SM(ratesArray[rate1l], 0)
4499 );
4500 REG_WRITE(ah, AR_PHY_POWER_TX_RATE4,
4501 ATH9K_POW_SM(ratesArray[rate11s], 24)
4502 | ATH9K_POW_SM(ratesArray[rate11l], 16)
4503 | ATH9K_POW_SM(ratesArray[rate5_5s], 8)
4504 | ATH9K_POW_SM(ratesArray[rate5_5l], 0)
4505 );
4506 }
4507
4508 REG_WRITE(ah, AR_PHY_POWER_TX_RATE5,
4509 ATH9K_POW_SM(ratesArray[rateHt20_3], 24)
4510 | ATH9K_POW_SM(ratesArray[rateHt20_2], 16)
4511 | ATH9K_POW_SM(ratesArray[rateHt20_1], 8)
4512 | ATH9K_POW_SM(ratesArray[rateHt20_0], 0)
4513 );
4514 REG_WRITE(ah, AR_PHY_POWER_TX_RATE6,
4515 ATH9K_POW_SM(ratesArray[rateHt20_7], 24)
4516 | ATH9K_POW_SM(ratesArray[rateHt20_6], 16)
4517 | ATH9K_POW_SM(ratesArray[rateHt20_5], 8)
4518 | ATH9K_POW_SM(ratesArray[rateHt20_4], 0)
4519 );
4520
4521 if (IS_CHAN_HT40(chan)) {
4522 REG_WRITE(ah, AR_PHY_POWER_TX_RATE7,
4523 ATH9K_POW_SM(ratesArray[rateHt40_3] +
4524 ht40PowerIncForPdadc, 24)
4525 | ATH9K_POW_SM(ratesArray[rateHt40_2] +
4526 ht40PowerIncForPdadc, 16)
4527 | ATH9K_POW_SM(ratesArray[rateHt40_1] +
4528 ht40PowerIncForPdadc, 8)
4529 | ATH9K_POW_SM(ratesArray[rateHt40_0] +
4530 ht40PowerIncForPdadc, 0)
4531 );
4532 REG_WRITE(ah, AR_PHY_POWER_TX_RATE8,
4533 ATH9K_POW_SM(ratesArray[rateHt40_7] +
4534 ht40PowerIncForPdadc, 24)
4535 | ATH9K_POW_SM(ratesArray[rateHt40_6] +
4536 ht40PowerIncForPdadc, 16)
4537 | ATH9K_POW_SM(ratesArray[rateHt40_5] +
4538 ht40PowerIncForPdadc, 8)
4539 | ATH9K_POW_SM(ratesArray[rateHt40_4] +
4540 ht40PowerIncForPdadc, 0)
4541 );
4542
4543 REG_WRITE(ah, AR_PHY_POWER_TX_RATE9,
4544 ATH9K_POW_SM(ratesArray[rateExtOfdm], 24)
4545 | ATH9K_POW_SM(ratesArray[rateExtCck], 16)
4546 | ATH9K_POW_SM(ratesArray[rateDupOfdm], 8)
4547 | ATH9K_POW_SM(ratesArray[rateDupCck], 0)
4548 );
4549 }
4550
4551 REG_WRITE(ah, AR_PHY_POWER_TX_SUB,
4552 ATH9K_POW_SM(pModal->pwrDecreaseFor3Chain, 6)
4553 | ATH9K_POW_SM(pModal->pwrDecreaseFor2Chain, 0)
4554 );
4555
4556 i = rate6mb;
4557 if (IS_CHAN_HT40(chan))
4558 i = rateHt40_0;
4559 else if (IS_CHAN_HT20(chan))
4560 i = rateHt20_0;
4561
4562 if (AR_SREV_9280_10_OR_LATER(ah))
4563 ah->ah_maxPowerLevel =
4564 ratesArray[i] + AR5416_PWR_TABLE_OFFSET * 2;
4565 else
4566 ah->ah_maxPowerLevel = ratesArray[i];
4567
4568 return 0;
4569}
4570
4571static inline void ath9k_hw_get_delta_slope_vals(struct ath_hal *ah,
4572 u32 coef_scaled,
4573 u32 *coef_mantissa,
4574 u32 *coef_exponent)
4575{
4576 u32 coef_exp, coef_man;
4577
4578 for (coef_exp = 31; coef_exp > 0; coef_exp--)
4579 if ((coef_scaled >> coef_exp) & 0x1)
4580 break;
4581
4582 coef_exp = 14 - (coef_exp - COEF_SCALE_S);
4583
4584 coef_man = coef_scaled + (1 << (COEF_SCALE_S - coef_exp - 1));
4585
4586 *coef_mantissa = coef_man >> (COEF_SCALE_S - coef_exp);
4587 *coef_exponent = coef_exp - 16;
4588}
4589
4590static void
4591ath9k_hw_set_delta_slope(struct ath_hal *ah,
4592 struct ath9k_channel *chan)
4593{
4594 u32 coef_scaled, ds_coef_exp, ds_coef_man;
4595 u32 clockMhzScaled = 0x64000000;
4596 struct chan_centers centers;
4597
4598 if (IS_CHAN_HALF_RATE(chan))
4599 clockMhzScaled = clockMhzScaled >> 1;
4600 else if (IS_CHAN_QUARTER_RATE(chan))
4601 clockMhzScaled = clockMhzScaled >> 2;
4602
4603 ath9k_hw_get_channel_centers(ah, chan, &centers);
4604 coef_scaled = clockMhzScaled / centers.synth_center;
4605
4606 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
4607 &ds_coef_exp);
4608
4609 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
4610 AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
4611 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
4612 AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
4613
4614 coef_scaled = (9 * coef_scaled) / 10;
4615
4616 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
4617 &ds_coef_exp);
4618
4619 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
4620 AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
4621 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
4622 AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
4623}
4624
4625static void ath9k_hw_9280_spur_mitigate(struct ath_hal *ah,
4626 struct ath9k_channel *chan)
4627{
4628 int bb_spur = AR_NO_SPUR;
4629 int freq;
4630 int bin, cur_bin;
4631 int bb_spur_off, spur_subchannel_sd;
4632 int spur_freq_sd;
4633 int spur_delta_phase;
4634 int denominator;
4635 int upper, lower, cur_vit_mask;
4636 int tmp, newVal;
4637 int i;
4638 int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
4639 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
4640 };
4641 int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
4642 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
4643 };
4644 int inc[4] = { 0, 100, 0, 0 };
4645 struct chan_centers centers;
4646
4647 int8_t mask_m[123];
4648 int8_t mask_p[123];
4649 int8_t mask_amt;
4650 int tmp_mask;
4651 int cur_bb_spur;
4652 bool is2GHz = IS_CHAN_2GHZ(chan);
4653
4654 memset(&mask_m, 0, sizeof(int8_t) * 123);
4655 memset(&mask_p, 0, sizeof(int8_t) * 123);
4656
4657 ath9k_hw_get_channel_centers(ah, chan, &centers);
4658 freq = centers.synth_center;
4659
Sujith60b67f52008-08-07 10:52:38 +05304660 ah->ah_config.spurmode = SPUR_ENABLE_EEPROM;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07004661 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
4662 cur_bb_spur = ath9k_hw_eeprom_get_spur_chan(ah, i, is2GHz);
4663
4664 if (is2GHz)
4665 cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
4666 else
4667 cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;
4668
4669 if (AR_NO_SPUR == cur_bb_spur)
4670 break;
4671 cur_bb_spur = cur_bb_spur - freq;
4672
4673 if (IS_CHAN_HT40(chan)) {
4674 if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) &&
4675 (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) {
4676 bb_spur = cur_bb_spur;
4677 break;
4678 }
4679 } else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) &&
4680 (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) {
4681 bb_spur = cur_bb_spur;
4682 break;
4683 }
4684 }
4685
4686 if (AR_NO_SPUR == bb_spur) {
4687 REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
4688 AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
4689 return;
4690 } else {
4691 REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
4692 AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
4693 }
4694
4695 bin = bb_spur * 320;
4696
4697 tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
4698
4699 newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
4700 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
4701 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
4702 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
4703 REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), newVal);
4704
4705 newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
4706 AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
4707 AR_PHY_SPUR_REG_MASK_RATE_SELECT |
4708 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
4709 SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
4710 REG_WRITE(ah, AR_PHY_SPUR_REG, newVal);
4711
4712 if (IS_CHAN_HT40(chan)) {
4713 if (bb_spur < 0) {
4714 spur_subchannel_sd = 1;
4715 bb_spur_off = bb_spur + 10;
4716 } else {
4717 spur_subchannel_sd = 0;
4718 bb_spur_off = bb_spur - 10;
4719 }
4720 } else {
4721 spur_subchannel_sd = 0;
4722 bb_spur_off = bb_spur;
4723 }
4724
4725 if (IS_CHAN_HT40(chan))
4726 spur_delta_phase =
4727 ((bb_spur * 262144) /
4728 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
4729 else
4730 spur_delta_phase =
4731 ((bb_spur * 524288) /
4732 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
4733
4734 denominator = IS_CHAN_2GHZ(chan) ? 44 : 40;
4735 spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff;
4736
4737 newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
4738 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
4739 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
4740 REG_WRITE(ah, AR_PHY_TIMING11, newVal);
4741
4742 newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S;
4743 REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal);
4744
4745 cur_bin = -6000;
4746 upper = bin + 100;
4747 lower = bin - 100;
4748
4749 for (i = 0; i < 4; i++) {
4750 int pilot_mask = 0;
4751 int chan_mask = 0;
4752 int bp = 0;
4753 for (bp = 0; bp < 30; bp++) {
4754 if ((cur_bin > lower) && (cur_bin < upper)) {
4755 pilot_mask = pilot_mask | 0x1 << bp;
4756 chan_mask = chan_mask | 0x1 << bp;
4757 }
4758 cur_bin += 100;
4759 }
4760 cur_bin += inc[i];
4761 REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
4762 REG_WRITE(ah, chan_mask_reg[i], chan_mask);
4763 }
4764
4765 cur_vit_mask = 6100;
4766 upper = bin + 120;
4767 lower = bin - 120;
4768
4769 for (i = 0; i < 123; i++) {
4770 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
Adrian Bunkb08cbcd2008-08-05 22:06:51 +03004771
4772 /* workaround for gcc bug #37014 */
4773 volatile int tmp = abs(cur_vit_mask - bin);
4774
4775 if (tmp < 75)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07004776 mask_amt = 1;
4777 else
4778 mask_amt = 0;
4779 if (cur_vit_mask < 0)
4780 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
4781 else
4782 mask_p[cur_vit_mask / 100] = mask_amt;
4783 }
4784 cur_vit_mask -= 100;
4785 }
4786
4787 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
4788 | (mask_m[48] << 26) | (mask_m[49] << 24)
4789 | (mask_m[50] << 22) | (mask_m[51] << 20)
4790 | (mask_m[52] << 18) | (mask_m[53] << 16)
4791 | (mask_m[54] << 14) | (mask_m[55] << 12)
4792 | (mask_m[56] << 10) | (mask_m[57] << 8)
4793 | (mask_m[58] << 6) | (mask_m[59] << 4)
4794 | (mask_m[60] << 2) | (mask_m[61] << 0);
4795 REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
4796 REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
4797
4798 tmp_mask = (mask_m[31] << 28)
4799 | (mask_m[32] << 26) | (mask_m[33] << 24)
4800 | (mask_m[34] << 22) | (mask_m[35] << 20)
4801 | (mask_m[36] << 18) | (mask_m[37] << 16)
4802 | (mask_m[48] << 14) | (mask_m[39] << 12)
4803 | (mask_m[40] << 10) | (mask_m[41] << 8)
4804 | (mask_m[42] << 6) | (mask_m[43] << 4)
4805 | (mask_m[44] << 2) | (mask_m[45] << 0);
4806 REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
4807 REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
4808
4809 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
4810 | (mask_m[18] << 26) | (mask_m[18] << 24)
4811 | (mask_m[20] << 22) | (mask_m[20] << 20)
4812 | (mask_m[22] << 18) | (mask_m[22] << 16)
4813 | (mask_m[24] << 14) | (mask_m[24] << 12)
4814 | (mask_m[25] << 10) | (mask_m[26] << 8)
4815 | (mask_m[27] << 6) | (mask_m[28] << 4)
4816 | (mask_m[29] << 2) | (mask_m[30] << 0);
4817 REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
4818 REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
4819
4820 tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
4821 | (mask_m[2] << 26) | (mask_m[3] << 24)
4822 | (mask_m[4] << 22) | (mask_m[5] << 20)
4823 | (mask_m[6] << 18) | (mask_m[7] << 16)
4824 | (mask_m[8] << 14) | (mask_m[9] << 12)
4825 | (mask_m[10] << 10) | (mask_m[11] << 8)
4826 | (mask_m[12] << 6) | (mask_m[13] << 4)
4827 | (mask_m[14] << 2) | (mask_m[15] << 0);
4828 REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
4829 REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
4830
4831 tmp_mask = (mask_p[15] << 28)
4832 | (mask_p[14] << 26) | (mask_p[13] << 24)
4833 | (mask_p[12] << 22) | (mask_p[11] << 20)
4834 | (mask_p[10] << 18) | (mask_p[9] << 16)
4835 | (mask_p[8] << 14) | (mask_p[7] << 12)
4836 | (mask_p[6] << 10) | (mask_p[5] << 8)
4837 | (mask_p[4] << 6) | (mask_p[3] << 4)
4838 | (mask_p[2] << 2) | (mask_p[1] << 0);
4839 REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
4840 REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
4841
4842 tmp_mask = (mask_p[30] << 28)
4843 | (mask_p[29] << 26) | (mask_p[28] << 24)
4844 | (mask_p[27] << 22) | (mask_p[26] << 20)
4845 | (mask_p[25] << 18) | (mask_p[24] << 16)
4846 | (mask_p[23] << 14) | (mask_p[22] << 12)
4847 | (mask_p[21] << 10) | (mask_p[20] << 8)
4848 | (mask_p[19] << 6) | (mask_p[18] << 4)
4849 | (mask_p[17] << 2) | (mask_p[16] << 0);
4850 REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
4851 REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
4852
4853 tmp_mask = (mask_p[45] << 28)
4854 | (mask_p[44] << 26) | (mask_p[43] << 24)
4855 | (mask_p[42] << 22) | (mask_p[41] << 20)
4856 | (mask_p[40] << 18) | (mask_p[39] << 16)
4857 | (mask_p[38] << 14) | (mask_p[37] << 12)
4858 | (mask_p[36] << 10) | (mask_p[35] << 8)
4859 | (mask_p[34] << 6) | (mask_p[33] << 4)
4860 | (mask_p[32] << 2) | (mask_p[31] << 0);
4861 REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
4862 REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
4863
4864 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
4865 | (mask_p[59] << 26) | (mask_p[58] << 24)
4866 | (mask_p[57] << 22) | (mask_p[56] << 20)
4867 | (mask_p[55] << 18) | (mask_p[54] << 16)
4868 | (mask_p[53] << 14) | (mask_p[52] << 12)
4869 | (mask_p[51] << 10) | (mask_p[50] << 8)
4870 | (mask_p[49] << 6) | (mask_p[48] << 4)
4871 | (mask_p[47] << 2) | (mask_p[46] << 0);
4872 REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
4873 REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
4874}
4875
4876static void ath9k_hw_spur_mitigate(struct ath_hal *ah,
4877 struct ath9k_channel *chan)
4878{
4879 int bb_spur = AR_NO_SPUR;
4880 int bin, cur_bin;
4881 int spur_freq_sd;
4882 int spur_delta_phase;
4883 int denominator;
4884 int upper, lower, cur_vit_mask;
4885 int tmp, new;
4886 int i;
4887 int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
4888 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
4889 };
4890 int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
4891 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
4892 };
4893 int inc[4] = { 0, 100, 0, 0 };
4894
4895 int8_t mask_m[123];
4896 int8_t mask_p[123];
4897 int8_t mask_amt;
4898 int tmp_mask;
4899 int cur_bb_spur;
4900 bool is2GHz = IS_CHAN_2GHZ(chan);
4901
4902 memset(&mask_m, 0, sizeof(int8_t) * 123);
4903 memset(&mask_p, 0, sizeof(int8_t) * 123);
4904
4905 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
4906 cur_bb_spur = ath9k_hw_eeprom_get_spur_chan(ah, i, is2GHz);
4907 if (AR_NO_SPUR == cur_bb_spur)
4908 break;
4909 cur_bb_spur = cur_bb_spur - (chan->channel * 10);
4910 if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
4911 bb_spur = cur_bb_spur;
4912 break;
4913 }
4914 }
4915
4916 if (AR_NO_SPUR == bb_spur)
4917 return;
4918
4919 bin = bb_spur * 32;
4920
4921 tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
4922 new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
4923 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
4924 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
4925 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
4926
4927 REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
4928
4929 new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
4930 AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
4931 AR_PHY_SPUR_REG_MASK_RATE_SELECT |
4932 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
4933 SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
4934 REG_WRITE(ah, AR_PHY_SPUR_REG, new);
4935
4936 spur_delta_phase = ((bb_spur * 524288) / 100) &
4937 AR_PHY_TIMING11_SPUR_DELTA_PHASE;
4938
4939 denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
4940 spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
4941
4942 new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
4943 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
4944 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
4945 REG_WRITE(ah, AR_PHY_TIMING11, new);
4946
4947 cur_bin = -6000;
4948 upper = bin + 100;
4949 lower = bin - 100;
4950
4951 for (i = 0; i < 4; i++) {
4952 int pilot_mask = 0;
4953 int chan_mask = 0;
4954 int bp = 0;
4955 for (bp = 0; bp < 30; bp++) {
4956 if ((cur_bin > lower) && (cur_bin < upper)) {
4957 pilot_mask = pilot_mask | 0x1 << bp;
4958 chan_mask = chan_mask | 0x1 << bp;
4959 }
4960 cur_bin += 100;
4961 }
4962 cur_bin += inc[i];
4963 REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
4964 REG_WRITE(ah, chan_mask_reg[i], chan_mask);
4965 }
4966
4967 cur_vit_mask = 6100;
4968 upper = bin + 120;
4969 lower = bin - 120;
4970
4971 for (i = 0; i < 123; i++) {
4972 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
Adrian Bunk88b9e2b2008-08-05 22:06:51 +03004973
4974 /* workaround for gcc bug #37014 */
4975 volatile int tmp = abs(cur_vit_mask - bin);
4976
4977 if (tmp < 75)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07004978 mask_amt = 1;
4979 else
4980 mask_amt = 0;
4981 if (cur_vit_mask < 0)
4982 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
4983 else
4984 mask_p[cur_vit_mask / 100] = mask_amt;
4985 }
4986 cur_vit_mask -= 100;
4987 }
4988
4989 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
4990 | (mask_m[48] << 26) | (mask_m[49] << 24)
4991 | (mask_m[50] << 22) | (mask_m[51] << 20)
4992 | (mask_m[52] << 18) | (mask_m[53] << 16)
4993 | (mask_m[54] << 14) | (mask_m[55] << 12)
4994 | (mask_m[56] << 10) | (mask_m[57] << 8)
4995 | (mask_m[58] << 6) | (mask_m[59] << 4)
4996 | (mask_m[60] << 2) | (mask_m[61] << 0);
4997 REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
4998 REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
4999
5000 tmp_mask = (mask_m[31] << 28)
5001 | (mask_m[32] << 26) | (mask_m[33] << 24)
5002 | (mask_m[34] << 22) | (mask_m[35] << 20)
5003 | (mask_m[36] << 18) | (mask_m[37] << 16)
5004 | (mask_m[48] << 14) | (mask_m[39] << 12)
5005 | (mask_m[40] << 10) | (mask_m[41] << 8)
5006 | (mask_m[42] << 6) | (mask_m[43] << 4)
5007 | (mask_m[44] << 2) | (mask_m[45] << 0);
5008 REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
5009 REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
5010
5011 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
5012 | (mask_m[18] << 26) | (mask_m[18] << 24)
5013 | (mask_m[20] << 22) | (mask_m[20] << 20)
5014 | (mask_m[22] << 18) | (mask_m[22] << 16)
5015 | (mask_m[24] << 14) | (mask_m[24] << 12)
5016 | (mask_m[25] << 10) | (mask_m[26] << 8)
5017 | (mask_m[27] << 6) | (mask_m[28] << 4)
5018 | (mask_m[29] << 2) | (mask_m[30] << 0);
5019 REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
5020 REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
5021
5022 tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
5023 | (mask_m[2] << 26) | (mask_m[3] << 24)
5024 | (mask_m[4] << 22) | (mask_m[5] << 20)
5025 | (mask_m[6] << 18) | (mask_m[7] << 16)
5026 | (mask_m[8] << 14) | (mask_m[9] << 12)
5027 | (mask_m[10] << 10) | (mask_m[11] << 8)
5028 | (mask_m[12] << 6) | (mask_m[13] << 4)
5029 | (mask_m[14] << 2) | (mask_m[15] << 0);
5030 REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
5031 REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
5032
5033 tmp_mask = (mask_p[15] << 28)
5034 | (mask_p[14] << 26) | (mask_p[13] << 24)
5035 | (mask_p[12] << 22) | (mask_p[11] << 20)
5036 | (mask_p[10] << 18) | (mask_p[9] << 16)
5037 | (mask_p[8] << 14) | (mask_p[7] << 12)
5038 | (mask_p[6] << 10) | (mask_p[5] << 8)
5039 | (mask_p[4] << 6) | (mask_p[3] << 4)
5040 | (mask_p[2] << 2) | (mask_p[1] << 0);
5041 REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
5042 REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
5043
5044 tmp_mask = (mask_p[30] << 28)
5045 | (mask_p[29] << 26) | (mask_p[28] << 24)
5046 | (mask_p[27] << 22) | (mask_p[26] << 20)
5047 | (mask_p[25] << 18) | (mask_p[24] << 16)
5048 | (mask_p[23] << 14) | (mask_p[22] << 12)
5049 | (mask_p[21] << 10) | (mask_p[20] << 8)
5050 | (mask_p[19] << 6) | (mask_p[18] << 4)
5051 | (mask_p[17] << 2) | (mask_p[16] << 0);
5052 REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
5053 REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
5054
5055 tmp_mask = (mask_p[45] << 28)
5056 | (mask_p[44] << 26) | (mask_p[43] << 24)
5057 | (mask_p[42] << 22) | (mask_p[41] << 20)
5058 | (mask_p[40] << 18) | (mask_p[39] << 16)
5059 | (mask_p[38] << 14) | (mask_p[37] << 12)
5060 | (mask_p[36] << 10) | (mask_p[35] << 8)
5061 | (mask_p[34] << 6) | (mask_p[33] << 4)
5062 | (mask_p[32] << 2) | (mask_p[31] << 0);
5063 REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
5064 REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
5065
5066 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
5067 | (mask_p[59] << 26) | (mask_p[58] << 24)
5068 | (mask_p[57] << 22) | (mask_p[56] << 20)
5069 | (mask_p[55] << 18) | (mask_p[54] << 16)
5070 | (mask_p[53] << 14) | (mask_p[52] << 12)
5071 | (mask_p[51] << 10) | (mask_p[50] << 8)
5072 | (mask_p[49] << 6) | (mask_p[48] << 4)
5073 | (mask_p[47] << 2) | (mask_p[46] << 0);
5074 REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
5075 REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
5076}
5077
Sujithff9b6622008-08-14 13:27:16 +05305078static void ath9k_hw_init_chain_masks(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005079{
5080 struct ath_hal_5416 *ahp = AH5416(ah);
5081 int rx_chainmask, tx_chainmask;
5082
5083 rx_chainmask = ahp->ah_rxchainmask;
5084 tx_chainmask = ahp->ah_txchainmask;
5085
5086 switch (rx_chainmask) {
5087 case 0x5:
5088 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
5089 AR_PHY_SWAP_ALT_CHAIN);
5090 case 0x3:
5091 if (((ah)->ah_macVersion <= AR_SREV_VERSION_9160)) {
5092 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
5093 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
5094 break;
5095 }
5096 case 0x1:
5097 case 0x2:
5098 if (!AR_SREV_9280(ah))
5099 break;
5100 case 0x7:
5101 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
5102 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
5103 break;
5104 default:
5105 break;
5106 }
5107
5108 REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask);
5109 if (tx_chainmask == 0x5) {
5110 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
5111 AR_PHY_SWAP_ALT_CHAIN);
5112 }
5113 if (AR_SREV_9100(ah))
5114 REG_WRITE(ah, AR_PHY_ANALOG_SWAP,
5115 REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001);
5116}
5117
5118static void ath9k_hw_set_addac(struct ath_hal *ah,
5119 struct ath9k_channel *chan)
5120{
5121 struct modal_eep_header *pModal;
5122 struct ath_hal_5416 *ahp = AH5416(ah);
5123 struct ar5416_eeprom *eep = &ahp->ah_eeprom;
5124 u8 biaslevel;
5125
5126 if (ah->ah_macVersion != AR_SREV_VERSION_9160)
5127 return;
5128
5129 if (ar5416_get_eep_rev(ahp) < AR5416_EEP_MINOR_VER_7)
5130 return;
5131
5132 pModal = &(eep->modalHeader[IS_CHAN_2GHZ(chan)]);
5133
5134 if (pModal->xpaBiasLvl != 0xff) {
5135 biaslevel = pModal->xpaBiasLvl;
5136 } else {
5137
5138 u16 resetFreqBin, freqBin, freqCount = 0;
5139 struct chan_centers centers;
5140
5141 ath9k_hw_get_channel_centers(ah, chan, &centers);
5142
5143 resetFreqBin =
5144 FREQ2FBIN(centers.synth_center, IS_CHAN_2GHZ(chan));
5145 freqBin = pModal->xpaBiasLvlFreq[0] & 0xff;
5146 biaslevel = (u8) (pModal->xpaBiasLvlFreq[0] >> 14);
5147
5148 freqCount++;
5149
5150 while (freqCount < 3) {
5151 if (pModal->xpaBiasLvlFreq[freqCount] == 0x0)
5152 break;
5153
5154 freqBin = pModal->xpaBiasLvlFreq[freqCount] & 0xff;
5155 if (resetFreqBin >= freqBin) {
5156 biaslevel =
5157 (u8) (pModal->
5158 xpaBiasLvlFreq[freqCount]
5159 >> 14);
5160 } else {
5161 break;
5162 }
5163 freqCount++;
5164 }
5165 }
5166
5167 if (IS_CHAN_2GHZ(chan)) {
5168 INI_RA(&ahp->ah_iniAddac, 7, 1) =
5169 (INI_RA(&ahp->ah_iniAddac, 7, 1) & (~0x18)) | biaslevel
5170 << 3;
5171 } else {
5172 INI_RA(&ahp->ah_iniAddac, 6, 1) =
5173 (INI_RA(&ahp->ah_iniAddac, 6, 1) & (~0xc0)) | biaslevel
5174 << 6;
5175 }
5176}
5177
5178static u32 ath9k_hw_mac_usec(struct ath_hal *ah, u32 clks)
5179{
5180 if (ah->ah_curchan != NULL)
5181 return clks /
5182 CLOCK_RATE[ath9k_hw_chan2wmode(ah, ah->ah_curchan)];
5183 else
Sujith86b89ee2008-08-07 10:54:57 +05305184 return clks / CLOCK_RATE[ATH9K_MODE_11B];
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005185}
5186
5187static u32 ath9k_hw_mac_to_usec(struct ath_hal *ah, u32 clks)
5188{
5189 struct ath9k_channel *chan = ah->ah_curchan;
5190
5191 if (chan && IS_CHAN_HT40(chan))
5192 return ath9k_hw_mac_usec(ah, clks) / 2;
5193 else
5194 return ath9k_hw_mac_usec(ah, clks);
5195}
5196
5197static u32 ath9k_hw_mac_clks(struct ath_hal *ah, u32 usecs)
5198{
5199 if (ah->ah_curchan != NULL)
5200 return usecs * CLOCK_RATE[ath9k_hw_chan2wmode(ah,
5201 ah->ah_curchan)];
5202 else
Sujith86b89ee2008-08-07 10:54:57 +05305203 return usecs * CLOCK_RATE[ATH9K_MODE_11B];
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005204}
5205
5206static u32 ath9k_hw_mac_to_clks(struct ath_hal *ah, u32 usecs)
5207{
5208 struct ath9k_channel *chan = ah->ah_curchan;
5209
5210 if (chan && IS_CHAN_HT40(chan))
5211 return ath9k_hw_mac_clks(ah, usecs) * 2;
5212 else
5213 return ath9k_hw_mac_clks(ah, usecs);
5214}
5215
5216static bool ath9k_hw_set_ack_timeout(struct ath_hal *ah, u32 us)
5217{
5218 struct ath_hal_5416 *ahp = AH5416(ah);
5219
5220 if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_ACK))) {
5221 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s: bad ack timeout %u\n",
5222 __func__, us);
5223 ahp->ah_acktimeout = (u32) -1;
5224 return false;
5225 } else {
5226 REG_RMW_FIELD(ah, AR_TIME_OUT,
5227 AR_TIME_OUT_ACK, ath9k_hw_mac_to_clks(ah, us));
5228 ahp->ah_acktimeout = us;
5229 return true;
5230 }
5231}
5232
5233static bool ath9k_hw_set_cts_timeout(struct ath_hal *ah, u32 us)
5234{
5235 struct ath_hal_5416 *ahp = AH5416(ah);
5236
5237 if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_CTS))) {
5238 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s: bad cts timeout %u\n",
5239 __func__, us);
5240 ahp->ah_ctstimeout = (u32) -1;
5241 return false;
5242 } else {
5243 REG_RMW_FIELD(ah, AR_TIME_OUT,
5244 AR_TIME_OUT_CTS, ath9k_hw_mac_to_clks(ah, us));
5245 ahp->ah_ctstimeout = us;
5246 return true;
5247 }
5248}
5249static bool ath9k_hw_set_global_txtimeout(struct ath_hal *ah,
5250 u32 tu)
5251{
5252 struct ath_hal_5416 *ahp = AH5416(ah);
5253
5254 if (tu > 0xFFFF) {
5255 DPRINTF(ah->ah_sc, ATH_DBG_XMIT,
5256 "%s: bad global tx timeout %u\n", __func__, tu);
5257 ahp->ah_globaltxtimeout = (u32) -1;
5258 return false;
5259 } else {
5260 REG_RMW_FIELD(ah, AR_GTXTO, AR_GTXTO_TIMEOUT_LIMIT, tu);
5261 ahp->ah_globaltxtimeout = tu;
5262 return true;
5263 }
5264}
5265
5266bool ath9k_hw_setslottime(struct ath_hal *ah, u32 us)
5267{
5268 struct ath_hal_5416 *ahp = AH5416(ah);
5269
5270 if (us < ATH9K_SLOT_TIME_9 || us > ath9k_hw_mac_to_usec(ah, 0xffff)) {
5271 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s: bad slot time %u\n",
5272 __func__, us);
5273 ahp->ah_slottime = (u32) -1;
5274 return false;
5275 } else {
5276 REG_WRITE(ah, AR_D_GBL_IFS_SLOT, ath9k_hw_mac_to_clks(ah, us));
5277 ahp->ah_slottime = us;
5278 return true;
5279 }
5280}
5281
Sujithff9b6622008-08-14 13:27:16 +05305282static void ath9k_hw_init_user_settings(struct ath_hal *ah)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005283{
5284 struct ath_hal_5416 *ahp = AH5416(ah);
5285
5286 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "--AP %s ahp->ah_miscMode 0x%x\n",
5287 __func__, ahp->ah_miscMode);
5288 if (ahp->ah_miscMode != 0)
5289 REG_WRITE(ah, AR_PCU_MISC,
5290 REG_READ(ah, AR_PCU_MISC) | ahp->ah_miscMode);
5291 if (ahp->ah_slottime != (u32) -1)
5292 ath9k_hw_setslottime(ah, ahp->ah_slottime);
5293 if (ahp->ah_acktimeout != (u32) -1)
5294 ath9k_hw_set_ack_timeout(ah, ahp->ah_acktimeout);
5295 if (ahp->ah_ctstimeout != (u32) -1)
5296 ath9k_hw_set_cts_timeout(ah, ahp->ah_ctstimeout);
5297 if (ahp->ah_globaltxtimeout != (u32) -1)
5298 ath9k_hw_set_global_txtimeout(ah, ahp->ah_globaltxtimeout);
5299}
5300
Sujithff9b6622008-08-14 13:27:16 +05305301static int
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005302ath9k_hw_process_ini(struct ath_hal *ah,
5303 struct ath9k_channel *chan,
5304 enum ath9k_ht_macmode macmode)
5305{
5306 int i, regWrites = 0;
5307 struct ath_hal_5416 *ahp = AH5416(ah);
5308 u32 modesIndex, freqIndex;
5309 int status;
5310
5311 switch (chan->chanmode) {
5312 case CHANNEL_A:
5313 case CHANNEL_A_HT20:
5314 modesIndex = 1;
5315 freqIndex = 1;
5316 break;
5317 case CHANNEL_A_HT40PLUS:
5318 case CHANNEL_A_HT40MINUS:
5319 modesIndex = 2;
5320 freqIndex = 1;
5321 break;
5322 case CHANNEL_G:
5323 case CHANNEL_G_HT20:
5324 case CHANNEL_B:
5325 modesIndex = 4;
5326 freqIndex = 2;
5327 break;
5328 case CHANNEL_G_HT40PLUS:
5329 case CHANNEL_G_HT40MINUS:
5330 modesIndex = 3;
5331 freqIndex = 2;
5332 break;
5333
5334 default:
5335 return -EINVAL;
5336 }
5337
5338 REG_WRITE(ah, AR_PHY(0), 0x00000007);
5339
5340 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
5341
5342 ath9k_hw_set_addac(ah, chan);
5343
5344 if (AR_SREV_5416_V22_OR_LATER(ah)) {
5345 REG_WRITE_ARRAY(&ahp->ah_iniAddac, 1, regWrites);
5346 } else {
5347 struct ar5416IniArray temp;
5348 u32 addacSize =
5349 sizeof(u32) * ahp->ah_iniAddac.ia_rows *
5350 ahp->ah_iniAddac.ia_columns;
5351
5352 memcpy(ahp->ah_addac5416_21,
5353 ahp->ah_iniAddac.ia_array, addacSize);
5354
5355 (ahp->ah_addac5416_21)[31 *
5356 ahp->ah_iniAddac.ia_columns + 1] = 0;
5357
5358 temp.ia_array = ahp->ah_addac5416_21;
5359 temp.ia_columns = ahp->ah_iniAddac.ia_columns;
5360 temp.ia_rows = ahp->ah_iniAddac.ia_rows;
5361 REG_WRITE_ARRAY(&temp, 1, regWrites);
5362 }
5363 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
5364
5365 for (i = 0; i < ahp->ah_iniModes.ia_rows; i++) {
5366 u32 reg = INI_RA(&ahp->ah_iniModes, i, 0);
5367 u32 val = INI_RA(&ahp->ah_iniModes, i, modesIndex);
5368
5369#ifdef CONFIG_SLOW_ANT_DIV
5370 if (ah->ah_devid == AR9280_DEVID_PCI)
5371 val = ath9k_hw_ini_fixup(ah, &ahp->ah_eeprom, reg,
5372 val);
5373#endif
5374
5375 REG_WRITE(ah, reg, val);
5376
5377 if (reg >= 0x7800 && reg < 0x78a0
Sujith60b67f52008-08-07 10:52:38 +05305378 && ah->ah_config.analog_shiftreg) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005379 udelay(100);
5380 }
5381
5382 DO_DELAY(regWrites);
5383 }
5384
5385 for (i = 0; i < ahp->ah_iniCommon.ia_rows; i++) {
5386 u32 reg = INI_RA(&ahp->ah_iniCommon, i, 0);
5387 u32 val = INI_RA(&ahp->ah_iniCommon, i, 1);
5388
5389 REG_WRITE(ah, reg, val);
5390
5391 if (reg >= 0x7800 && reg < 0x78a0
Sujith60b67f52008-08-07 10:52:38 +05305392 && ah->ah_config.analog_shiftreg) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005393 udelay(100);
5394 }
5395
5396 DO_DELAY(regWrites);
5397 }
5398
5399 ath9k_hw_write_regs(ah, modesIndex, freqIndex, regWrites);
5400
5401 if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan)) {
5402 REG_WRITE_ARRAY(&ahp->ah_iniModesAdditional, modesIndex,
5403 regWrites);
5404 }
5405
5406 ath9k_hw_override_ini(ah, chan);
5407 ath9k_hw_set_regs(ah, chan, macmode);
5408 ath9k_hw_init_chain_masks(ah);
5409
5410 status = ath9k_hw_set_txpower(ah, &ahp->ah_eeprom, chan,
5411 ath9k_regd_get_ctl(ah, chan),
5412 ath9k_regd_get_antenna_allowed(ah,
5413 chan),
5414 chan->maxRegTxPower * 2,
5415 min((u32) MAX_RATE_POWER,
5416 (u32) ah->ah_powerLimit));
5417 if (status != 0) {
5418 DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
5419 "%s: error init'ing transmit power\n", __func__);
5420 return -EIO;
5421 }
5422
5423 if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
5424 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
5425 "%s: ar5416SetRfRegs failed\n", __func__);
5426 return -EIO;
5427 }
5428
5429 return 0;
5430}
5431
Sujithff9b6622008-08-14 13:27:16 +05305432static void ath9k_hw_setup_calibration(struct ath_hal *ah,
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005433 struct hal_cal_list *currCal)
5434{
5435 REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0),
5436 AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
5437 currCal->calData->calCountMax);
5438
5439 switch (currCal->calData->calType) {
5440 case IQ_MISMATCH_CAL:
5441 REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
5442 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
5443 "%s: starting IQ Mismatch Calibration\n",
5444 __func__);
5445 break;
5446 case ADC_GAIN_CAL:
5447 REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_GAIN);
5448 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
5449 "%s: starting ADC Gain Calibration\n", __func__);
5450 break;
5451 case ADC_DC_CAL:
5452 REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER);
5453 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
5454 "%s: starting ADC DC Calibration\n", __func__);
5455 break;
5456 case ADC_DC_INIT_CAL:
5457 REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_INIT);
5458 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
5459 "%s: starting Init ADC DC Calibration\n",
5460 __func__);
5461 break;
5462 }
5463
5464 REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0),
5465 AR_PHY_TIMING_CTRL4_DO_CAL);
5466}
5467
Sujithff9b6622008-08-14 13:27:16 +05305468static void ath9k_hw_reset_calibration(struct ath_hal *ah,
5469 struct hal_cal_list *currCal)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005470{
5471 struct ath_hal_5416 *ahp = AH5416(ah);
5472 int i;
5473
5474 ath9k_hw_setup_calibration(ah, currCal);
5475
5476 currCal->calState = CAL_RUNNING;
5477
5478 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
5479 ahp->ah_Meas0.sign[i] = 0;
5480 ahp->ah_Meas1.sign[i] = 0;
5481 ahp->ah_Meas2.sign[i] = 0;
5482 ahp->ah_Meas3.sign[i] = 0;
5483 }
5484
5485 ahp->ah_CalSamples = 0;
5486}
5487
Sujithff9b6622008-08-14 13:27:16 +05305488static void
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005489ath9k_hw_per_calibration(struct ath_hal *ah,
5490 struct ath9k_channel *ichan,
5491 u8 rxchainmask,
5492 struct hal_cal_list *currCal,
5493 bool *isCalDone)
5494{
5495 struct ath_hal_5416 *ahp = AH5416(ah);
5496
5497 *isCalDone = false;
5498
5499 if (currCal->calState == CAL_RUNNING) {
5500 if (!(REG_READ(ah,
5501 AR_PHY_TIMING_CTRL4(0)) &
5502 AR_PHY_TIMING_CTRL4_DO_CAL)) {
5503
5504 currCal->calData->calCollect(ah);
5505
5506 ahp->ah_CalSamples++;
5507
5508 if (ahp->ah_CalSamples >=
5509 currCal->calData->calNumSamples) {
5510 int i, numChains = 0;
5511 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
5512 if (rxchainmask & (1 << i))
5513 numChains++;
5514 }
5515
5516 currCal->calData->calPostProc(ah,
5517 numChains);
5518
5519 ichan->CalValid |=
5520 currCal->calData->calType;
5521 currCal->calState = CAL_DONE;
5522 *isCalDone = true;
5523 } else {
5524 ath9k_hw_setup_calibration(ah, currCal);
5525 }
5526 }
5527 } else if (!(ichan->CalValid & currCal->calData->calType)) {
5528 ath9k_hw_reset_calibration(ah, currCal);
5529 }
5530}
5531
5532static inline bool ath9k_hw_run_init_cals(struct ath_hal *ah,
5533 int init_cal_count)
5534{
5535 struct ath_hal_5416 *ahp = AH5416(ah);
5536 struct ath9k_channel ichan;
5537 bool isCalDone;
5538 struct hal_cal_list *currCal = ahp->ah_cal_list_curr;
5539 const struct hal_percal_data *calData = currCal->calData;
5540 int i;
5541
5542 if (currCal == NULL)
5543 return false;
5544
5545 ichan.CalValid = 0;
5546
5547 for (i = 0; i < init_cal_count; i++) {
5548 ath9k_hw_reset_calibration(ah, currCal);
5549
5550 if (!ath9k_hw_wait(ah, AR_PHY_TIMING_CTRL4(0),
5551 AR_PHY_TIMING_CTRL4_DO_CAL, 0)) {
5552 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
5553 "%s: Cal %d failed to complete in 100ms.\n",
5554 __func__, calData->calType);
5555
5556 ahp->ah_cal_list = ahp->ah_cal_list_last =
5557 ahp->ah_cal_list_curr = NULL;
5558 return false;
5559 }
5560
5561 ath9k_hw_per_calibration(ah, &ichan, ahp->ah_rxchainmask,
5562 currCal, &isCalDone);
5563 if (!isCalDone) {
5564 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
5565 "%s: Not able to run Init Cal %d.\n",
5566 __func__, calData->calType);
5567 }
5568 if (currCal->calNext) {
5569 currCal = currCal->calNext;
5570 calData = currCal->calData;
5571 }
5572 }
5573
5574 ahp->ah_cal_list = ahp->ah_cal_list_last = ahp->ah_cal_list_curr = NULL;
5575 return true;
5576}
5577
Sujithff9b6622008-08-14 13:27:16 +05305578static bool
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005579ath9k_hw_channel_change(struct ath_hal *ah,
5580 struct ath9k_channel *chan,
5581 enum ath9k_ht_macmode macmode)
5582{
5583 u32 synthDelay, qnum;
5584 struct ath_hal_5416 *ahp = AH5416(ah);
5585
5586 for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
5587 if (ath9k_hw_numtxpending(ah, qnum)) {
5588 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
5589 "%s: Transmit frames pending on queue %d\n",
5590 __func__, qnum);
5591 return false;
5592 }
5593 }
5594
5595 REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
5596 if (!ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
5597 AR_PHY_RFBUS_GRANT_EN)) {
5598 DPRINTF(ah->ah_sc, ATH_DBG_PHY_IO,
5599 "%s: Could not kill baseband RX\n", __func__);
5600 return false;
5601 }
5602
5603 ath9k_hw_set_regs(ah, chan, macmode);
5604
5605 if (AR_SREV_9280_10_OR_LATER(ah)) {
5606 if (!(ath9k_hw_ar9280_set_channel(ah, chan))) {
5607 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
5608 "%s: failed to set channel\n", __func__);
5609 return false;
5610 }
5611 } else {
5612 if (!(ath9k_hw_set_channel(ah, chan))) {
5613 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
5614 "%s: failed to set channel\n", __func__);
5615 return false;
5616 }
5617 }
5618
5619 if (ath9k_hw_set_txpower(ah, &ahp->ah_eeprom, chan,
5620 ath9k_regd_get_ctl(ah, chan),
5621 ath9k_regd_get_antenna_allowed(ah, chan),
5622 chan->maxRegTxPower * 2,
5623 min((u32) MAX_RATE_POWER,
5624 (u32) ah->ah_powerLimit)) != 0) {
5625 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
5626 "%s: error init'ing transmit power\n", __func__);
5627 return false;
5628 }
5629
5630 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
5631 if (IS_CHAN_CCK(chan))
5632 synthDelay = (4 * synthDelay) / 22;
5633 else
5634 synthDelay /= 10;
5635
5636 udelay(synthDelay + BASE_ACTIVATE_DELAY);
5637
5638 REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
5639
5640 if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
5641 ath9k_hw_set_delta_slope(ah, chan);
5642
5643 if (AR_SREV_9280_10_OR_LATER(ah))
5644 ath9k_hw_9280_spur_mitigate(ah, chan);
5645 else
5646 ath9k_hw_spur_mitigate(ah, chan);
5647
5648 if (!chan->oneTimeCalsDone)
5649 chan->oneTimeCalsDone = true;
5650
5651 return true;
5652}
5653
5654static bool ath9k_hw_chip_reset(struct ath_hal *ah,
5655 struct ath9k_channel *chan)
5656{
5657 struct ath_hal_5416 *ahp = AH5416(ah);
5658
5659 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
5660 return false;
5661
5662 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
5663 return false;
5664
5665 ahp->ah_chipFullSleep = false;
5666
5667 ath9k_hw_init_pll(ah, chan);
5668
5669 ath9k_hw_set_rfmode(ah, chan);
5670
5671 return true;
5672}
5673
5674static inline void ath9k_hw_set_dma(struct ath_hal *ah)
5675{
5676 u32 regval;
5677
5678 regval = REG_READ(ah, AR_AHB_MODE);
5679 REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN);
5680
5681 regval = REG_READ(ah, AR_TXCFG) & ~AR_TXCFG_DMASZ_MASK;
5682 REG_WRITE(ah, AR_TXCFG, regval | AR_TXCFG_DMASZ_128B);
5683
5684 REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->ah_txTrigLevel);
5685
5686 regval = REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_DMASZ_MASK;
5687 REG_WRITE(ah, AR_RXCFG, regval | AR_RXCFG_DMASZ_128B);
5688
5689 REG_WRITE(ah, AR_RXFIFO_CFG, 0x200);
5690
5691 if (AR_SREV_9285(ah)) {
5692 REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
5693 AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
5694 } else {
5695 REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
5696 AR_PCU_TXBUF_CTRL_USABLE_SIZE);
5697 }
5698}
5699
5700bool ath9k_hw_stopdmarecv(struct ath_hal *ah)
5701{
5702 REG_WRITE(ah, AR_CR, AR_CR_RXD);
5703 if (!ath9k_hw_wait(ah, AR_CR, AR_CR_RXE, 0)) {
5704 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
5705 "%s: dma failed to stop in 10ms\n"
5706 "AR_CR=0x%08x\nAR_DIAG_SW=0x%08x\n",
5707 __func__,
5708 REG_READ(ah, AR_CR), REG_READ(ah, AR_DIAG_SW));
5709 return false;
5710 } else {
5711 return true;
5712 }
5713}
5714
5715void ath9k_hw_startpcureceive(struct ath_hal *ah)
5716{
5717 REG_CLR_BIT(ah, AR_DIAG_SW,
5718 (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
5719
5720 ath9k_enable_mib_counters(ah);
5721
5722 ath9k_ani_reset(ah);
5723}
5724
5725void ath9k_hw_stoppcurecv(struct ath_hal *ah)
5726{
5727 REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
5728
5729 ath9k_hw_disable_mib_counters(ah);
5730}
5731
5732static bool ath9k_hw_iscal_supported(struct ath_hal *ah,
5733 struct ath9k_channel *chan,
5734 enum hal_cal_types calType)
5735{
5736 struct ath_hal_5416 *ahp = AH5416(ah);
5737 bool retval = false;
5738
5739 switch (calType & ahp->ah_suppCals) {
5740 case IQ_MISMATCH_CAL:
5741 if (!IS_CHAN_B(chan))
5742 retval = true;
5743 break;
5744 case ADC_GAIN_CAL:
5745 case ADC_DC_CAL:
5746 if (!IS_CHAN_B(chan)
5747 && !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan)))
5748 retval = true;
5749 break;
5750 }
5751
5752 return retval;
5753}
5754
Sujithff9b6622008-08-14 13:27:16 +05305755static bool ath9k_hw_init_cal(struct ath_hal *ah,
5756 struct ath9k_channel *chan)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005757{
5758 struct ath_hal_5416 *ahp = AH5416(ah);
5759 struct ath9k_channel *ichan =
5760 ath9k_regd_check_channel(ah, chan);
5761
5762 REG_WRITE(ah, AR_PHY_AGC_CONTROL,
5763 REG_READ(ah, AR_PHY_AGC_CONTROL) |
5764 AR_PHY_AGC_CONTROL_CAL);
5765
5766 if (!ath9k_hw_wait
5767 (ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, 0)) {
5768 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
5769 "%s: offset calibration failed to complete in 1ms; "
5770 "noisy environment?\n", __func__);
5771 return false;
5772 }
5773
5774 REG_WRITE(ah, AR_PHY_AGC_CONTROL,
5775 REG_READ(ah, AR_PHY_AGC_CONTROL) |
5776 AR_PHY_AGC_CONTROL_NF);
5777
5778 ahp->ah_cal_list = ahp->ah_cal_list_last = ahp->ah_cal_list_curr =
5779 NULL;
5780
5781 if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) {
5782 if (ath9k_hw_iscal_supported(ah, chan, ADC_GAIN_CAL)) {
5783 INIT_CAL(&ahp->ah_adcGainCalData);
5784 INSERT_CAL(ahp, &ahp->ah_adcGainCalData);
5785 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
5786 "%s: enabling ADC Gain Calibration.\n",
5787 __func__);
5788 }
5789 if (ath9k_hw_iscal_supported(ah, chan, ADC_DC_CAL)) {
5790 INIT_CAL(&ahp->ah_adcDcCalData);
5791 INSERT_CAL(ahp, &ahp->ah_adcDcCalData);
5792 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
5793 "%s: enabling ADC DC Calibration.\n",
5794 __func__);
5795 }
5796 if (ath9k_hw_iscal_supported(ah, chan, IQ_MISMATCH_CAL)) {
5797 INIT_CAL(&ahp->ah_iqCalData);
5798 INSERT_CAL(ahp, &ahp->ah_iqCalData);
5799 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
5800 "%s: enabling IQ Calibration.\n",
5801 __func__);
5802 }
5803
5804 ahp->ah_cal_list_curr = ahp->ah_cal_list;
5805
5806 if (ahp->ah_cal_list_curr)
5807 ath9k_hw_reset_calibration(ah,
5808 ahp->ah_cal_list_curr);
5809 }
5810
5811 ichan->CalValid = 0;
5812
5813 return true;
5814}
5815
5816
Sujithb4696c8b2008-08-11 14:04:52 +05305817bool ath9k_hw_reset(struct ath_hal *ah,
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005818 struct ath9k_channel *chan,
5819 enum ath9k_ht_macmode macmode,
5820 u8 txchainmask, u8 rxchainmask,
5821 enum ath9k_ht_extprotspacing extprotspacing,
5822 bool bChannelChange,
5823 int *status)
5824{
5825#define FAIL(_code) do { ecode = _code; goto bad; } while (0)
5826 u32 saveLedState;
5827 struct ath_hal_5416 *ahp = AH5416(ah);
5828 struct ath9k_channel *curchan = ah->ah_curchan;
5829 u32 saveDefAntenna;
5830 u32 macStaId1;
5831 int ecode;
5832 int i, rx_chainmask;
5833
5834 ahp->ah_extprotspacing = extprotspacing;
5835 ahp->ah_txchainmask = txchainmask;
5836 ahp->ah_rxchainmask = rxchainmask;
5837
5838 if (AR_SREV_9280(ah)) {
5839 ahp->ah_txchainmask &= 0x3;
5840 ahp->ah_rxchainmask &= 0x3;
5841 }
5842
5843 if (ath9k_hw_check_chan(ah, chan) == NULL) {
5844 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
5845 "%s: invalid channel %u/0x%x; no mapping\n",
5846 __func__, chan->channel, chan->channelFlags);
5847 FAIL(-EINVAL);
5848 }
5849
5850 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
5851 return false;
5852
5853 if (curchan)
5854 ath9k_hw_getnf(ah, curchan);
5855
5856 if (bChannelChange &&
5857 (ahp->ah_chipFullSleep != true) &&
5858 (ah->ah_curchan != NULL) &&
5859 (chan->channel != ah->ah_curchan->channel) &&
5860 ((chan->channelFlags & CHANNEL_ALL) ==
5861 (ah->ah_curchan->channelFlags & CHANNEL_ALL)) &&
5862 (!AR_SREV_9280(ah) || (!IS_CHAN_A_5MHZ_SPACED(chan) &&
5863 !IS_CHAN_A_5MHZ_SPACED(ah->
5864 ah_curchan)))) {
5865
5866 if (ath9k_hw_channel_change(ah, chan, macmode)) {
5867 ath9k_hw_loadnf(ah, ah->ah_curchan);
5868 ath9k_hw_start_nfcal(ah);
5869 return true;
5870 }
5871 }
5872
5873 saveDefAntenna = REG_READ(ah, AR_DEF_ANTENNA);
5874 if (saveDefAntenna == 0)
5875 saveDefAntenna = 1;
5876
5877 macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
5878
5879 saveLedState = REG_READ(ah, AR_CFG_LED) &
5880 (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL |
5881 AR_CFG_LED_BLINK_THRESH_SEL | AR_CFG_LED_BLINK_SLOW);
5882
5883 ath9k_hw_mark_phy_inactive(ah);
5884
5885 if (!ath9k_hw_chip_reset(ah, chan)) {
5886 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s: chip reset failed\n",
5887 __func__);
5888 FAIL(-EIO);
5889 }
5890
5891 if (AR_SREV_9280(ah)) {
5892 REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
5893 AR_GPIO_JTAG_DISABLE);
5894
Sujith86b89ee2008-08-07 10:54:57 +05305895 if (test_bit(ATH9K_MODE_11A, ah->ah_caps.wireless_modes)) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005896 if (IS_CHAN_5GHZ(chan))
5897 ath9k_hw_set_gpio(ah, 9, 0);
5898 else
5899 ath9k_hw_set_gpio(ah, 9, 1);
5900 }
Vasanthakumar Thiagarajanc83be682008-08-25 20:47:29 +05305901 ath9k_hw_cfg_output(ah, 9, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005902 }
5903
5904 ecode = ath9k_hw_process_ini(ah, chan, macmode);
5905 if (ecode != 0)
5906 goto bad;
5907
5908 if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
5909 ath9k_hw_set_delta_slope(ah, chan);
5910
5911 if (AR_SREV_9280_10_OR_LATER(ah))
5912 ath9k_hw_9280_spur_mitigate(ah, chan);
5913 else
5914 ath9k_hw_spur_mitigate(ah, chan);
5915
5916 if (!ath9k_hw_eeprom_set_board_values(ah, chan)) {
5917 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
5918 "%s: error setting board options\n", __func__);
5919 FAIL(-EIO);
5920 }
5921
5922 ath9k_hw_decrease_chain_power(ah, chan);
5923
5924 REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(ahp->ah_macaddr));
5925 REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(ahp->ah_macaddr + 4)
5926 | macStaId1
5927 | AR_STA_ID1_RTS_USE_DEF
5928 | (ah->ah_config.
Sujith60b67f52008-08-07 10:52:38 +05305929 ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005930 | ahp->ah_staId1Defaults);
Sujithb4696c8b2008-08-11 14:04:52 +05305931 ath9k_hw_set_operating_mode(ah, ah->ah_opmode);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005932
5933 REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(ahp->ah_bssidmask));
5934 REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(ahp->ah_bssidmask + 4));
5935
5936 REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
5937
5938 REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(ahp->ah_bssid));
5939 REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(ahp->ah_bssid + 4) |
5940 ((ahp->ah_assocId & 0x3fff) << AR_BSS_ID1_AID_S));
5941
5942 REG_WRITE(ah, AR_ISR, ~0);
5943
5944 REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
5945
5946 if (AR_SREV_9280_10_OR_LATER(ah)) {
5947 if (!(ath9k_hw_ar9280_set_channel(ah, chan)))
5948 FAIL(-EIO);
5949 } else {
5950 if (!(ath9k_hw_set_channel(ah, chan)))
5951 FAIL(-EIO);
5952 }
5953
5954 for (i = 0; i < AR_NUM_DCU; i++)
5955 REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
5956
5957 ahp->ah_intrTxqs = 0;
Sujith60b67f52008-08-07 10:52:38 +05305958 for (i = 0; i < ah->ah_caps.total_queues; i++)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005959 ath9k_hw_resettxqueue(ah, i);
5960
Sujithb4696c8b2008-08-11 14:04:52 +05305961 ath9k_hw_init_interrupt_masks(ah, ah->ah_opmode);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005962 ath9k_hw_init_qos(ah);
5963
5964 ath9k_hw_init_user_settings(ah);
5965
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07005966 REG_WRITE(ah, AR_STA_ID1,
5967 REG_READ(ah, AR_STA_ID1) | AR_STA_ID1_PRESERVE_SEQNUM);
5968
5969 ath9k_hw_set_dma(ah);
5970
5971 REG_WRITE(ah, AR_OBS, 8);
5972
5973 if (ahp->ah_intrMitigation) {
5974
5975 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
5976 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
5977 }
5978
5979 ath9k_hw_init_bb(ah, chan);
5980
5981 if (!ath9k_hw_init_cal(ah, chan))
5982 FAIL(-ENODEV);
5983
5984 rx_chainmask = ahp->ah_rxchainmask;
5985 if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
5986 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
5987 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
5988 }
5989
5990 REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ);
5991
5992 if (AR_SREV_9100(ah)) {
5993 u32 mask;
5994 mask = REG_READ(ah, AR_CFG);
5995 if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) {
5996 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
5997 "%s CFG Byte Swap Set 0x%x\n", __func__,
5998 mask);
5999 } else {
6000 mask =
6001 INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB;
6002 REG_WRITE(ah, AR_CFG, mask);
6003 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
6004 "%s Setting CFG 0x%x\n", __func__,
6005 REG_READ(ah, AR_CFG));
6006 }
6007 } else {
6008#ifdef __BIG_ENDIAN
6009 REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
6010#endif
6011 }
6012
6013 return true;
6014bad:
6015 if (status)
6016 *status = ecode;
6017 return false;
6018#undef FAIL
6019}
6020
6021bool ath9k_hw_phy_disable(struct ath_hal *ah)
6022{
6023 return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM);
6024}
6025
6026bool ath9k_hw_disable(struct ath_hal *ah)
6027{
6028 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
6029 return false;
6030
6031 return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD);
6032}
6033
6034bool
6035ath9k_hw_calibrate(struct ath_hal *ah, struct ath9k_channel *chan,
6036 u8 rxchainmask, bool longcal,
6037 bool *isCalDone)
6038{
6039 struct ath_hal_5416 *ahp = AH5416(ah);
6040 struct hal_cal_list *currCal = ahp->ah_cal_list_curr;
6041 struct ath9k_channel *ichan =
6042 ath9k_regd_check_channel(ah, chan);
6043
6044 *isCalDone = true;
6045
6046 if (ichan == NULL) {
6047 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
6048 "%s: invalid channel %u/0x%x; no mapping\n",
6049 __func__, chan->channel, chan->channelFlags);
6050 return false;
6051 }
6052
6053 if (currCal &&
6054 (currCal->calState == CAL_RUNNING ||
6055 currCal->calState == CAL_WAITING)) {
6056 ath9k_hw_per_calibration(ah, ichan, rxchainmask, currCal,
6057 isCalDone);
6058 if (*isCalDone) {
6059 ahp->ah_cal_list_curr = currCal = currCal->calNext;
6060
6061 if (currCal->calState == CAL_WAITING) {
6062 *isCalDone = false;
6063 ath9k_hw_reset_calibration(ah, currCal);
6064 }
6065 }
6066 }
6067
6068 if (longcal) {
6069 ath9k_hw_getnf(ah, ichan);
6070 ath9k_hw_loadnf(ah, ah->ah_curchan);
6071 ath9k_hw_start_nfcal(ah);
6072
6073 if ((ichan->channelFlags & CHANNEL_CW_INT) != 0) {
6074
6075 chan->channelFlags |= CHANNEL_CW_INT;
6076 ichan->channelFlags &= ~CHANNEL_CW_INT;
6077 }
6078 }
6079
6080 return true;
6081}
6082
6083static void ath9k_hw_iqcal_collect(struct ath_hal *ah)
6084{
6085 struct ath_hal_5416 *ahp = AH5416(ah);
6086 int i;
6087
6088 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
6089 ahp->ah_totalPowerMeasI[i] +=
6090 REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
6091 ahp->ah_totalPowerMeasQ[i] +=
6092 REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
6093 ahp->ah_totalIqCorrMeas[i] +=
6094 (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
6095 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6096 "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
6097 ahp->ah_CalSamples, i, ahp->ah_totalPowerMeasI[i],
6098 ahp->ah_totalPowerMeasQ[i],
6099 ahp->ah_totalIqCorrMeas[i]);
6100 }
6101}
6102
6103static void ath9k_hw_adc_gaincal_collect(struct ath_hal *ah)
6104{
6105 struct ath_hal_5416 *ahp = AH5416(ah);
6106 int i;
6107
6108 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
6109 ahp->ah_totalAdcIOddPhase[i] +=
6110 REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
6111 ahp->ah_totalAdcIEvenPhase[i] +=
6112 REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
6113 ahp->ah_totalAdcQOddPhase[i] +=
6114 REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
6115 ahp->ah_totalAdcQEvenPhase[i] +=
6116 REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
6117
6118 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6119 "%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
6120 "oddq=0x%08x; evenq=0x%08x;\n",
6121 ahp->ah_CalSamples, i,
6122 ahp->ah_totalAdcIOddPhase[i],
6123 ahp->ah_totalAdcIEvenPhase[i],
6124 ahp->ah_totalAdcQOddPhase[i],
6125 ahp->ah_totalAdcQEvenPhase[i]);
6126 }
6127}
6128
6129static void ath9k_hw_adc_dccal_collect(struct ath_hal *ah)
6130{
6131 struct ath_hal_5416 *ahp = AH5416(ah);
6132 int i;
6133
6134 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
6135 ahp->ah_totalAdcDcOffsetIOddPhase[i] +=
6136 (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
6137 ahp->ah_totalAdcDcOffsetIEvenPhase[i] +=
6138 (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
6139 ahp->ah_totalAdcDcOffsetQOddPhase[i] +=
6140 (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
6141 ahp->ah_totalAdcDcOffsetQEvenPhase[i] +=
6142 (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
6143
6144 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6145 "%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
6146 "oddq=0x%08x; evenq=0x%08x;\n",
6147 ahp->ah_CalSamples, i,
6148 ahp->ah_totalAdcDcOffsetIOddPhase[i],
6149 ahp->ah_totalAdcDcOffsetIEvenPhase[i],
6150 ahp->ah_totalAdcDcOffsetQOddPhase[i],
6151 ahp->ah_totalAdcDcOffsetQEvenPhase[i]);
6152 }
6153}
6154
6155static void ath9k_hw_iqcalibrate(struct ath_hal *ah, u8 numChains)
6156{
6157 struct ath_hal_5416 *ahp = AH5416(ah);
6158 u32 powerMeasQ, powerMeasI, iqCorrMeas;
6159 u32 qCoffDenom, iCoffDenom;
6160 int32_t qCoff, iCoff;
6161 int iqCorrNeg, i;
6162
6163 for (i = 0; i < numChains; i++) {
6164 powerMeasI = ahp->ah_totalPowerMeasI[i];
6165 powerMeasQ = ahp->ah_totalPowerMeasQ[i];
6166 iqCorrMeas = ahp->ah_totalIqCorrMeas[i];
6167
6168 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6169 "Starting IQ Cal and Correction for Chain %d\n",
6170 i);
6171
6172 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6173 "Orignal: Chn %diq_corr_meas = 0x%08x\n",
6174 i, ahp->ah_totalIqCorrMeas[i]);
6175
6176 iqCorrNeg = 0;
6177
6178
6179 if (iqCorrMeas > 0x80000000) {
6180 iqCorrMeas = (0xffffffff - iqCorrMeas) + 1;
6181 iqCorrNeg = 1;
6182 }
6183
6184 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6185 "Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
6186 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6187 "Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
6188 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n",
6189 iqCorrNeg);
6190
6191 iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 128;
6192 qCoffDenom = powerMeasQ / 64;
6193
6194 if (powerMeasQ != 0) {
6195
6196 iCoff = iqCorrMeas / iCoffDenom;
6197 qCoff = powerMeasI / qCoffDenom - 64;
6198 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6199 "Chn %d iCoff = 0x%08x\n", i, iCoff);
6200 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6201 "Chn %d qCoff = 0x%08x\n", i, qCoff);
6202
6203
6204 iCoff = iCoff & 0x3f;
6205 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6206 "New: Chn %d iCoff = 0x%08x\n", i, iCoff);
6207 if (iqCorrNeg == 0x0)
6208 iCoff = 0x40 - iCoff;
6209
6210 if (qCoff > 15)
6211 qCoff = 15;
6212 else if (qCoff <= -16)
6213 qCoff = 16;
6214
6215 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6216 "Chn %d : iCoff = 0x%x qCoff = 0x%x\n",
6217 i, iCoff, qCoff);
6218
6219 REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
6220 AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF,
6221 iCoff);
6222 REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
6223 AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF,
6224 qCoff);
6225 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6226 "IQ Cal and Correction done for Chain %d\n",
6227 i);
6228 }
6229 }
6230
6231 REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0),
6232 AR_PHY_TIMING_CTRL4_IQCORR_ENABLE);
6233}
6234
6235static void
6236ath9k_hw_adc_gaincal_calibrate(struct ath_hal *ah, u8 numChains)
6237{
6238 struct ath_hal_5416 *ahp = AH5416(ah);
6239 u32 iOddMeasOffset, iEvenMeasOffset, qOddMeasOffset,
6240 qEvenMeasOffset;
6241 u32 qGainMismatch, iGainMismatch, val, i;
6242
6243 for (i = 0; i < numChains; i++) {
6244 iOddMeasOffset = ahp->ah_totalAdcIOddPhase[i];
6245 iEvenMeasOffset = ahp->ah_totalAdcIEvenPhase[i];
6246 qOddMeasOffset = ahp->ah_totalAdcQOddPhase[i];
6247 qEvenMeasOffset = ahp->ah_totalAdcQEvenPhase[i];
6248
6249 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6250 "Starting ADC Gain Cal for Chain %d\n", i);
6251
6252 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6253 "Chn %d pwr_meas_odd_i = 0x%08x\n", i,
6254 iOddMeasOffset);
6255 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6256 "Chn %d pwr_meas_even_i = 0x%08x\n", i,
6257 iEvenMeasOffset);
6258 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6259 "Chn %d pwr_meas_odd_q = 0x%08x\n", i,
6260 qOddMeasOffset);
6261 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6262 "Chn %d pwr_meas_even_q = 0x%08x\n", i,
6263 qEvenMeasOffset);
6264
6265 if (iOddMeasOffset != 0 && qEvenMeasOffset != 0) {
6266 iGainMismatch =
6267 ((iEvenMeasOffset * 32) /
6268 iOddMeasOffset) & 0x3f;
6269 qGainMismatch =
6270 ((qOddMeasOffset * 32) /
6271 qEvenMeasOffset) & 0x3f;
6272
6273 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6274 "Chn %d gain_mismatch_i = 0x%08x\n", i,
6275 iGainMismatch);
6276 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6277 "Chn %d gain_mismatch_q = 0x%08x\n", i,
6278 qGainMismatch);
6279
6280 val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
6281 val &= 0xfffff000;
6282 val |= (qGainMismatch) | (iGainMismatch << 6);
6283 REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
6284
6285 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6286 "ADC Gain Cal done for Chain %d\n", i);
6287 }
6288 }
6289
6290 REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
6291 REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) |
6292 AR_PHY_NEW_ADC_GAIN_CORR_ENABLE);
6293}
6294
6295static void
6296ath9k_hw_adc_dccal_calibrate(struct ath_hal *ah, u8 numChains)
6297{
6298 struct ath_hal_5416 *ahp = AH5416(ah);
6299 u32 iOddMeasOffset, iEvenMeasOffset, val, i;
6300 int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch;
6301 const struct hal_percal_data *calData =
6302 ahp->ah_cal_list_curr->calData;
6303 u32 numSamples =
6304 (1 << (calData->calCountMax + 5)) * calData->calNumSamples;
6305
6306 for (i = 0; i < numChains; i++) {
6307 iOddMeasOffset = ahp->ah_totalAdcDcOffsetIOddPhase[i];
6308 iEvenMeasOffset = ahp->ah_totalAdcDcOffsetIEvenPhase[i];
6309 qOddMeasOffset = ahp->ah_totalAdcDcOffsetQOddPhase[i];
6310 qEvenMeasOffset = ahp->ah_totalAdcDcOffsetQEvenPhase[i];
6311
6312 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6313 "Starting ADC DC Offset Cal for Chain %d\n", i);
6314
6315 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6316 "Chn %d pwr_meas_odd_i = %d\n", i,
6317 iOddMeasOffset);
6318 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6319 "Chn %d pwr_meas_even_i = %d\n", i,
6320 iEvenMeasOffset);
6321 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6322 "Chn %d pwr_meas_odd_q = %d\n", i,
6323 qOddMeasOffset);
6324 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6325 "Chn %d pwr_meas_even_q = %d\n", i,
6326 qEvenMeasOffset);
6327
6328 iDcMismatch = (((iEvenMeasOffset - iOddMeasOffset) * 2) /
6329 numSamples) & 0x1ff;
6330 qDcMismatch = (((qOddMeasOffset - qEvenMeasOffset) * 2) /
6331 numSamples) & 0x1ff;
6332
6333 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6334 "Chn %d dc_offset_mismatch_i = 0x%08x\n", i,
6335 iDcMismatch);
6336 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6337 "Chn %d dc_offset_mismatch_q = 0x%08x\n", i,
6338 qDcMismatch);
6339
6340 val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
6341 val &= 0xc0000fff;
6342 val |= (qDcMismatch << 12) | (iDcMismatch << 21);
6343 REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
6344
6345 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6346 "ADC DC Offset Cal done for Chain %d\n", i);
6347 }
6348
6349 REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
6350 REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) |
6351 AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE);
6352}
6353
6354bool ath9k_hw_set_txpowerlimit(struct ath_hal *ah, u32 limit)
6355{
6356 struct ath_hal_5416 *ahp = AH5416(ah);
6357 struct ath9k_channel *chan = ah->ah_curchan;
6358
6359 ah->ah_powerLimit = min(limit, (u32) MAX_RATE_POWER);
6360
6361 if (ath9k_hw_set_txpower(ah, &ahp->ah_eeprom, chan,
6362 ath9k_regd_get_ctl(ah, chan),
6363 ath9k_regd_get_antenna_allowed(ah,
6364 chan),
6365 chan->maxRegTxPower * 2,
6366 min((u32) MAX_RATE_POWER,
6367 (u32) ah->ah_powerLimit)) != 0)
6368 return false;
6369
6370 return true;
6371}
6372
6373void
6374ath9k_hw_get_channel_centers(struct ath_hal *ah,
6375 struct ath9k_channel *chan,
6376 struct chan_centers *centers)
6377{
6378 int8_t extoff;
6379 struct ath_hal_5416 *ahp = AH5416(ah);
6380
6381 if (!IS_CHAN_HT40(chan)) {
6382 centers->ctl_center = centers->ext_center =
6383 centers->synth_center = chan->channel;
6384 return;
6385 }
6386
6387 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
6388 (chan->chanmode == CHANNEL_G_HT40PLUS)) {
6389 centers->synth_center =
6390 chan->channel + HT40_CHANNEL_CENTER_SHIFT;
6391 extoff = 1;
6392 } else {
6393 centers->synth_center =
6394 chan->channel - HT40_CHANNEL_CENTER_SHIFT;
6395 extoff = -1;
6396 }
6397
6398 centers->ctl_center = centers->synth_center - (extoff *
6399 HT40_CHANNEL_CENTER_SHIFT);
6400 centers->ext_center = centers->synth_center + (extoff *
6401 ((ahp->
6402 ah_extprotspacing
6403 ==
6404 ATH9K_HT_EXTPROTSPACING_20)
6405 ?
6406 HT40_CHANNEL_CENTER_SHIFT
6407 : 15));
6408
6409}
6410
6411void
6412ath9k_hw_reset_calvalid(struct ath_hal *ah, struct ath9k_channel *chan,
6413 bool *isCalDone)
6414{
6415 struct ath_hal_5416 *ahp = AH5416(ah);
6416 struct ath9k_channel *ichan =
6417 ath9k_regd_check_channel(ah, chan);
6418 struct hal_cal_list *currCal = ahp->ah_cal_list_curr;
6419
6420 *isCalDone = true;
6421
6422 if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah))
6423 return;
6424
6425 if (currCal == NULL)
6426 return;
6427
6428 if (ichan == NULL) {
6429 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6430 "%s: invalid channel %u/0x%x; no mapping\n",
6431 __func__, chan->channel, chan->channelFlags);
6432 return;
6433 }
6434
6435
6436 if (currCal->calState != CAL_DONE) {
6437 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6438 "%s: Calibration state incorrect, %d\n",
6439 __func__, currCal->calState);
6440 return;
6441 }
6442
6443
6444 if (!ath9k_hw_iscal_supported(ah, chan, currCal->calData->calType))
6445 return;
6446
6447 DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
6448 "%s: Resetting Cal %d state for channel %u/0x%x\n",
6449 __func__, currCal->calData->calType, chan->channel,
6450 chan->channelFlags);
6451
6452 ichan->CalValid &= ~currCal->calData->calType;
6453 currCal->calState = CAL_WAITING;
6454
6455 *isCalDone = false;
6456}
6457
6458void ath9k_hw_getmac(struct ath_hal *ah, u8 *mac)
6459{
6460 struct ath_hal_5416 *ahp = AH5416(ah);
6461
6462 memcpy(mac, ahp->ah_macaddr, ETH_ALEN);
6463}
6464
6465bool ath9k_hw_setmac(struct ath_hal *ah, const u8 *mac)
6466{
6467 struct ath_hal_5416 *ahp = AH5416(ah);
6468
6469 memcpy(ahp->ah_macaddr, mac, ETH_ALEN);
6470 return true;
6471}
6472
6473void ath9k_hw_getbssidmask(struct ath_hal *ah, u8 *mask)
6474{
6475 struct ath_hal_5416 *ahp = AH5416(ah);
6476
6477 memcpy(mask, ahp->ah_bssidmask, ETH_ALEN);
6478}
6479
6480bool
6481ath9k_hw_setbssidmask(struct ath_hal *ah, const u8 *mask)
6482{
6483 struct ath_hal_5416 *ahp = AH5416(ah);
6484
6485 memcpy(ahp->ah_bssidmask, mask, ETH_ALEN);
6486
6487 REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(ahp->ah_bssidmask));
6488 REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(ahp->ah_bssidmask + 4));
6489
6490 return true;
6491}
6492
6493#ifdef CONFIG_ATH9K_RFKILL
6494static void ath9k_enable_rfkill(struct ath_hal *ah)
6495{
6496 struct ath_hal_5416 *ahp = AH5416(ah);
6497
6498 REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
6499 AR_GPIO_INPUT_EN_VAL_RFSILENT_BB);
6500
6501 REG_CLR_BIT(ah, AR_GPIO_INPUT_MUX2,
6502 AR_GPIO_INPUT_MUX2_RFSILENT);
6503
6504 ath9k_hw_cfg_gpio_input(ah, ahp->ah_gpioSelect);
6505 REG_SET_BIT(ah, AR_PHY_TEST, RFSILENT_BB);
6506
6507 if (ahp->ah_gpioBit == ath9k_hw_gpio_get(ah, ahp->ah_gpioSelect)) {
6508
6509 ath9k_hw_set_gpio_intr(ah, ahp->ah_gpioSelect,
6510 !ahp->ah_gpioBit);
6511 } else {
6512 ath9k_hw_set_gpio_intr(ah, ahp->ah_gpioSelect,
6513 ahp->ah_gpioBit);
6514 }
6515}
6516#endif
6517
6518void
6519ath9k_hw_write_associd(struct ath_hal *ah, const u8 *bssid,
6520 u16 assocId)
6521{
6522 struct ath_hal_5416 *ahp = AH5416(ah);
6523
6524 memcpy(ahp->ah_bssid, bssid, ETH_ALEN);
6525 ahp->ah_assocId = assocId;
6526
6527 REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(ahp->ah_bssid));
6528 REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(ahp->ah_bssid + 4) |
6529 ((assocId & 0x3fff) << AR_BSS_ID1_AID_S));
6530}
6531
6532u64 ath9k_hw_gettsf64(struct ath_hal *ah)
6533{
6534 u64 tsf;
6535
6536 tsf = REG_READ(ah, AR_TSF_U32);
6537 tsf = (tsf << 32) | REG_READ(ah, AR_TSF_L32);
6538 return tsf;
6539}
6540
6541void ath9k_hw_reset_tsf(struct ath_hal *ah)
6542{
6543 int count;
6544
6545 count = 0;
6546 while (REG_READ(ah, AR_SLP32_MODE) & AR_SLP32_TSF_WRITE_STATUS) {
6547 count++;
6548 if (count > 10) {
6549 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
6550 "%s: AR_SLP32_TSF_WRITE_STATUS limit exceeded\n",
6551 __func__);
6552 break;
6553 }
6554 udelay(10);
6555 }
6556 REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
6557}
6558
6559u32 ath9k_hw_getdefantenna(struct ath_hal *ah)
6560{
6561 return REG_READ(ah, AR_DEF_ANTENNA) & 0x7;
6562}
6563
6564void ath9k_hw_setantenna(struct ath_hal *ah, u32 antenna)
6565{
6566 REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7));
6567}
6568
6569bool
6570ath9k_hw_setantennaswitch(struct ath_hal *ah,
6571 enum ath9k_ant_setting settings,
6572 struct ath9k_channel *chan,
6573 u8 *tx_chainmask,
6574 u8 *rx_chainmask,
6575 u8 *antenna_cfgd)
6576{
6577 struct ath_hal_5416 *ahp = AH5416(ah);
6578 static u8 tx_chainmask_cfg, rx_chainmask_cfg;
6579
6580 if (AR_SREV_9280(ah)) {
6581 if (!tx_chainmask_cfg) {
6582
6583 tx_chainmask_cfg = *tx_chainmask;
6584 rx_chainmask_cfg = *rx_chainmask;
6585 }
6586
6587 switch (settings) {
6588 case ATH9K_ANT_FIXED_A:
6589 *tx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
6590 *rx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
6591 *antenna_cfgd = true;
6592 break;
6593 case ATH9K_ANT_FIXED_B:
Sujith60b67f52008-08-07 10:52:38 +05306594 if (ah->ah_caps.tx_chainmask >
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006595 ATH9K_ANTENNA1_CHAINMASK) {
6596 *tx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
6597 }
6598 *rx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
6599 *antenna_cfgd = true;
6600 break;
6601 case ATH9K_ANT_VARIABLE:
6602 *tx_chainmask = tx_chainmask_cfg;
6603 *rx_chainmask = rx_chainmask_cfg;
6604 *antenna_cfgd = true;
6605 break;
6606 default:
6607 break;
6608 }
6609 } else {
6610 ahp->ah_diversityControl = settings;
6611 }
6612
6613 return true;
6614}
6615
6616void ath9k_hw_setopmode(struct ath_hal *ah)
6617{
6618 ath9k_hw_set_operating_mode(ah, ah->ah_opmode);
6619}
6620
6621bool
Sujith60b67f52008-08-07 10:52:38 +05306622ath9k_hw_getcapability(struct ath_hal *ah, enum ath9k_capability_type type,
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006623 u32 capability, u32 *result)
6624{
6625 struct ath_hal_5416 *ahp = AH5416(ah);
Sujith60b67f52008-08-07 10:52:38 +05306626 const struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006627
6628 switch (type) {
Sujith60b67f52008-08-07 10:52:38 +05306629 case ATH9K_CAP_CIPHER:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006630 switch (capability) {
6631 case ATH9K_CIPHER_AES_CCM:
6632 case ATH9K_CIPHER_AES_OCB:
6633 case ATH9K_CIPHER_TKIP:
6634 case ATH9K_CIPHER_WEP:
6635 case ATH9K_CIPHER_MIC:
6636 case ATH9K_CIPHER_CLR:
6637 return true;
6638 default:
6639 return false;
6640 }
Sujith60b67f52008-08-07 10:52:38 +05306641 case ATH9K_CAP_TKIP_MIC:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006642 switch (capability) {
6643 case 0:
6644 return true;
6645 case 1:
6646 return (ahp->ah_staId1Defaults &
6647 AR_STA_ID1_CRPT_MIC_ENABLE) ? true :
6648 false;
6649 }
Sujith60b67f52008-08-07 10:52:38 +05306650 case ATH9K_CAP_TKIP_SPLIT:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006651 return (ahp->ah_miscMode & AR_PCU_MIC_NEW_LOC_ENA) ?
6652 false : true;
Sujith60b67f52008-08-07 10:52:38 +05306653 case ATH9K_CAP_WME_TKIPMIC:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006654 return 0;
Sujith60b67f52008-08-07 10:52:38 +05306655 case ATH9K_CAP_PHYCOUNTERS:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006656 return ahp->ah_hasHwPhyCounters ? 0 : -ENXIO;
Sujith60b67f52008-08-07 10:52:38 +05306657 case ATH9K_CAP_DIVERSITY:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006658 return (REG_READ(ah, AR_PHY_CCK_DETECT) &
6659 AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV) ?
6660 true : false;
Sujith60b67f52008-08-07 10:52:38 +05306661 case ATH9K_CAP_PHYDIAG:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006662 return true;
Sujith60b67f52008-08-07 10:52:38 +05306663 case ATH9K_CAP_MCAST_KEYSRCH:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006664 switch (capability) {
6665 case 0:
6666 return true;
6667 case 1:
6668 if (REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_ADHOC) {
6669 return false;
6670 } else {
6671 return (ahp->ah_staId1Defaults &
6672 AR_STA_ID1_MCAST_KSRCH) ? true :
6673 false;
6674 }
6675 }
6676 return false;
Sujith60b67f52008-08-07 10:52:38 +05306677 case ATH9K_CAP_TSF_ADJUST:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006678 return (ahp->ah_miscMode & AR_PCU_TX_ADD_TSF) ?
6679 true : false;
Sujith60b67f52008-08-07 10:52:38 +05306680 case ATH9K_CAP_RFSILENT:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006681 if (capability == 3)
6682 return false;
Sujith60b67f52008-08-07 10:52:38 +05306683 case ATH9K_CAP_ANT_CFG_2GHZ:
6684 *result = pCap->num_antcfg_2ghz;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006685 return true;
Sujith60b67f52008-08-07 10:52:38 +05306686 case ATH9K_CAP_ANT_CFG_5GHZ:
6687 *result = pCap->num_antcfg_5ghz;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006688 return true;
Sujith60b67f52008-08-07 10:52:38 +05306689 case ATH9K_CAP_TXPOW:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006690 switch (capability) {
6691 case 0:
6692 return 0;
6693 case 1:
6694 *result = ah->ah_powerLimit;
6695 return 0;
6696 case 2:
6697 *result = ah->ah_maxPowerLevel;
6698 return 0;
6699 case 3:
6700 *result = ah->ah_tpScale;
6701 return 0;
6702 }
6703 return false;
6704 default:
6705 return false;
6706 }
6707}
6708
6709int
6710ath9k_hw_select_antconfig(struct ath_hal *ah, u32 cfg)
6711{
6712 struct ath_hal_5416 *ahp = AH5416(ah);
6713 struct ath9k_channel *chan = ah->ah_curchan;
Sujith60b67f52008-08-07 10:52:38 +05306714 const struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006715 u16 ant_config;
6716 u32 halNumAntConfig;
6717
6718 halNumAntConfig =
Sujith60b67f52008-08-07 10:52:38 +05306719 IS_CHAN_2GHZ(chan) ? pCap->num_antcfg_2ghz : pCap->
6720 num_antcfg_5ghz;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006721
6722 if (cfg < halNumAntConfig) {
6723 if (!ath9k_hw_get_eeprom_antenna_cfg(ahp, chan,
6724 cfg, &ant_config)) {
6725 REG_WRITE(ah, AR_PHY_SWITCH_COM, ant_config);
6726 return 0;
6727 }
6728 }
6729
6730 return -EINVAL;
6731}
6732
6733bool ath9k_hw_intrpend(struct ath_hal *ah)
6734{
6735 u32 host_isr;
6736
6737 if (AR_SREV_9100(ah))
6738 return true;
6739
6740 host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
6741 if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
6742 return true;
6743
6744 host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
6745 if ((host_isr & AR_INTR_SYNC_DEFAULT)
6746 && (host_isr != AR_INTR_SPURIOUS))
6747 return true;
6748
6749 return false;
6750}
6751
6752bool ath9k_hw_getisr(struct ath_hal *ah, enum ath9k_int *masked)
6753{
6754 u32 isr = 0;
6755 u32 mask2 = 0;
Sujith60b67f52008-08-07 10:52:38 +05306756 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006757 u32 sync_cause = 0;
6758 bool fatal_int = false;
6759
6760 if (!AR_SREV_9100(ah)) {
6761 if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
6762 if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
6763 == AR_RTC_STATUS_ON) {
6764 isr = REG_READ(ah, AR_ISR);
6765 }
6766 }
6767
6768 sync_cause =
6769 REG_READ(ah,
6770 AR_INTR_SYNC_CAUSE) & AR_INTR_SYNC_DEFAULT;
6771
6772 *masked = 0;
6773
6774 if (!isr && !sync_cause)
6775 return false;
6776 } else {
6777 *masked = 0;
6778 isr = REG_READ(ah, AR_ISR);
6779 }
6780
6781 if (isr) {
6782 struct ath_hal_5416 *ahp = AH5416(ah);
6783
6784 if (isr & AR_ISR_BCNMISC) {
6785 u32 isr2;
6786 isr2 = REG_READ(ah, AR_ISR_S2);
6787 if (isr2 & AR_ISR_S2_TIM)
6788 mask2 |= ATH9K_INT_TIM;
6789 if (isr2 & AR_ISR_S2_DTIM)
6790 mask2 |= ATH9K_INT_DTIM;
6791 if (isr2 & AR_ISR_S2_DTIMSYNC)
6792 mask2 |= ATH9K_INT_DTIMSYNC;
6793 if (isr2 & (AR_ISR_S2_CABEND))
6794 mask2 |= ATH9K_INT_CABEND;
6795 if (isr2 & AR_ISR_S2_GTT)
6796 mask2 |= ATH9K_INT_GTT;
6797 if (isr2 & AR_ISR_S2_CST)
6798 mask2 |= ATH9K_INT_CST;
6799 }
6800
6801 isr = REG_READ(ah, AR_ISR_RAC);
6802 if (isr == 0xffffffff) {
6803 *masked = 0;
6804 return false;
6805 }
6806
6807 *masked = isr & ATH9K_INT_COMMON;
6808
6809 if (ahp->ah_intrMitigation) {
6810
6811 if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
6812 *masked |= ATH9K_INT_RX;
6813 }
6814
6815 if (isr & (AR_ISR_RXOK | AR_ISR_RXERR))
6816 *masked |= ATH9K_INT_RX;
6817 if (isr &
6818 (AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR |
6819 AR_ISR_TXEOL)) {
6820 u32 s0_s, s1_s;
6821
6822 *masked |= ATH9K_INT_TX;
6823
6824 s0_s = REG_READ(ah, AR_ISR_S0_S);
6825 ahp->ah_intrTxqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
6826 ahp->ah_intrTxqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
6827
6828 s1_s = REG_READ(ah, AR_ISR_S1_S);
6829 ahp->ah_intrTxqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
6830 ahp->ah_intrTxqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
6831 }
6832
6833 if (isr & AR_ISR_RXORN) {
6834 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
6835 "%s: receive FIFO overrun interrupt\n",
6836 __func__);
6837 }
6838
6839 if (!AR_SREV_9100(ah)) {
Sujith60b67f52008-08-07 10:52:38 +05306840 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006841 u32 isr5 = REG_READ(ah, AR_ISR_S5_S);
6842 if (isr5 & AR_ISR_S5_TIM_TIMER)
6843 *masked |= ATH9K_INT_TIM_TIMER;
6844 }
6845 }
6846
6847 *masked |= mask2;
6848 }
6849 if (AR_SREV_9100(ah))
6850 return true;
6851 if (sync_cause) {
6852 fatal_int =
6853 (sync_cause &
6854 (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))
6855 ? true : false;
6856
6857 if (fatal_int) {
6858 if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
6859 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
6860 "%s: received PCI FATAL interrupt\n",
6861 __func__);
6862 }
6863 if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
6864 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
6865 "%s: received PCI PERR interrupt\n",
6866 __func__);
6867 }
6868 }
6869 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
6870 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
6871 "%s: AR_INTR_SYNC_RADM_CPL_TIMEOUT\n",
6872 __func__);
6873 REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
6874 REG_WRITE(ah, AR_RC, 0);
6875 *masked |= ATH9K_INT_FATAL;
6876 }
6877 if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
6878 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
6879 "%s: AR_INTR_SYNC_LOCAL_TIMEOUT\n",
6880 __func__);
6881 }
6882
6883 REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
6884 (void) REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
6885 }
6886 return true;
6887}
6888
6889enum ath9k_int ath9k_hw_intrget(struct ath_hal *ah)
6890{
6891 return AH5416(ah)->ah_maskReg;
6892}
6893
6894enum ath9k_int ath9k_hw_set_interrupts(struct ath_hal *ah, enum ath9k_int ints)
6895{
6896 struct ath_hal_5416 *ahp = AH5416(ah);
6897 u32 omask = ahp->ah_maskReg;
6898 u32 mask, mask2;
Sujith60b67f52008-08-07 10:52:38 +05306899 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006900
6901 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "%s: 0x%x => 0x%x\n", __func__,
6902 omask, ints);
6903
6904 if (omask & ATH9K_INT_GLOBAL) {
6905 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "%s: disable IER\n",
6906 __func__);
6907 REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
6908 (void) REG_READ(ah, AR_IER);
6909 if (!AR_SREV_9100(ah)) {
6910 REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
6911 (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
6912
6913 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
6914 (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
6915 }
6916 }
6917
6918 mask = ints & ATH9K_INT_COMMON;
6919 mask2 = 0;
6920
6921 if (ints & ATH9K_INT_TX) {
6922 if (ahp->ah_txOkInterruptMask)
6923 mask |= AR_IMR_TXOK;
6924 if (ahp->ah_txDescInterruptMask)
6925 mask |= AR_IMR_TXDESC;
6926 if (ahp->ah_txErrInterruptMask)
6927 mask |= AR_IMR_TXERR;
6928 if (ahp->ah_txEolInterruptMask)
6929 mask |= AR_IMR_TXEOL;
6930 }
6931 if (ints & ATH9K_INT_RX) {
6932 mask |= AR_IMR_RXERR;
6933 if (ahp->ah_intrMitigation)
6934 mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
6935 else
6936 mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
Sujith60b67f52008-08-07 10:52:38 +05306937 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006938 mask |= AR_IMR_GENTMR;
6939 }
6940
6941 if (ints & (ATH9K_INT_BMISC)) {
6942 mask |= AR_IMR_BCNMISC;
6943 if (ints & ATH9K_INT_TIM)
6944 mask2 |= AR_IMR_S2_TIM;
6945 if (ints & ATH9K_INT_DTIM)
6946 mask2 |= AR_IMR_S2_DTIM;
6947 if (ints & ATH9K_INT_DTIMSYNC)
6948 mask2 |= AR_IMR_S2_DTIMSYNC;
6949 if (ints & ATH9K_INT_CABEND)
6950 mask2 |= (AR_IMR_S2_CABEND);
6951 }
6952
6953 if (ints & (ATH9K_INT_GTT | ATH9K_INT_CST)) {
6954 mask |= AR_IMR_BCNMISC;
6955 if (ints & ATH9K_INT_GTT)
6956 mask2 |= AR_IMR_S2_GTT;
6957 if (ints & ATH9K_INT_CST)
6958 mask2 |= AR_IMR_S2_CST;
6959 }
6960
6961 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "%s: new IMR 0x%x\n", __func__,
6962 mask);
6963 REG_WRITE(ah, AR_IMR, mask);
6964 mask = REG_READ(ah, AR_IMR_S2) & ~(AR_IMR_S2_TIM |
6965 AR_IMR_S2_DTIM |
6966 AR_IMR_S2_DTIMSYNC |
6967 AR_IMR_S2_CABEND |
6968 AR_IMR_S2_CABTO |
6969 AR_IMR_S2_TSFOOR |
6970 AR_IMR_S2_GTT | AR_IMR_S2_CST);
6971 REG_WRITE(ah, AR_IMR_S2, mask | mask2);
6972 ahp->ah_maskReg = ints;
6973
Sujith60b67f52008-08-07 10:52:38 +05306974 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07006975 if (ints & ATH9K_INT_TIM_TIMER)
6976 REG_SET_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
6977 else
6978 REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
6979 }
6980
6981 if (ints & ATH9K_INT_GLOBAL) {
6982 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "%s: enable IER\n",
6983 __func__);
6984 REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
6985 if (!AR_SREV_9100(ah)) {
6986 REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
6987 AR_INTR_MAC_IRQ);
6988 REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
6989
6990
6991 REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
6992 AR_INTR_SYNC_DEFAULT);
6993 REG_WRITE(ah, AR_INTR_SYNC_MASK,
6994 AR_INTR_SYNC_DEFAULT);
6995 }
6996 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
6997 REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
6998 }
6999
7000 return omask;
7001}
7002
7003void
7004ath9k_hw_beaconinit(struct ath_hal *ah,
7005 u32 next_beacon, u32 beacon_period)
7006{
7007 struct ath_hal_5416 *ahp = AH5416(ah);
7008 int flags = 0;
7009
7010 ahp->ah_beaconInterval = beacon_period;
7011
7012 switch (ah->ah_opmode) {
7013 case ATH9K_M_STA:
7014 case ATH9K_M_MONITOR:
7015 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
7016 REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, 0xffff);
7017 REG_WRITE(ah, AR_NEXT_SWBA, 0x7ffff);
7018 flags |= AR_TBTT_TIMER_EN;
7019 break;
7020 case ATH9K_M_IBSS:
7021 REG_SET_BIT(ah, AR_TXCFG,
7022 AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY);
7023 REG_WRITE(ah, AR_NEXT_NDP_TIMER,
7024 TU_TO_USEC(next_beacon +
7025 (ahp->ah_atimWindow ? ahp->
7026 ah_atimWindow : 1)));
7027 flags |= AR_NDP_TIMER_EN;
7028 case ATH9K_M_HOSTAP:
7029 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
7030 REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT,
7031 TU_TO_USEC(next_beacon -
7032 ah->ah_config.
Sujith60b67f52008-08-07 10:52:38 +05307033 dma_beacon_response_time));
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007034 REG_WRITE(ah, AR_NEXT_SWBA,
7035 TU_TO_USEC(next_beacon -
7036 ah->ah_config.
Sujith60b67f52008-08-07 10:52:38 +05307037 sw_beacon_response_time));
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007038 flags |=
7039 AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN;
7040 break;
7041 }
7042
7043 REG_WRITE(ah, AR_BEACON_PERIOD, TU_TO_USEC(beacon_period));
7044 REG_WRITE(ah, AR_DMA_BEACON_PERIOD, TU_TO_USEC(beacon_period));
7045 REG_WRITE(ah, AR_SWBA_PERIOD, TU_TO_USEC(beacon_period));
7046 REG_WRITE(ah, AR_NDP_PERIOD, TU_TO_USEC(beacon_period));
7047
7048 beacon_period &= ~ATH9K_BEACON_ENA;
7049 if (beacon_period & ATH9K_BEACON_RESET_TSF) {
7050 beacon_period &= ~ATH9K_BEACON_RESET_TSF;
7051 ath9k_hw_reset_tsf(ah);
7052 }
7053
7054 REG_SET_BIT(ah, AR_TIMER_MODE, flags);
7055}
7056
7057void
7058ath9k_hw_set_sta_beacon_timers(struct ath_hal *ah,
7059 const struct ath9k_beacon_state *bs)
7060{
7061 u32 nextTbtt, beaconintval, dtimperiod, beacontimeout;
Sujith60b67f52008-08-07 10:52:38 +05307062 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007063
7064 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt));
7065
7066 REG_WRITE(ah, AR_BEACON_PERIOD,
7067 TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
7068 REG_WRITE(ah, AR_DMA_BEACON_PERIOD,
7069 TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
7070
7071 REG_RMW_FIELD(ah, AR_RSSI_THR,
7072 AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold);
7073
7074 beaconintval = bs->bs_intval & ATH9K_BEACON_PERIOD;
7075
7076 if (bs->bs_sleepduration > beaconintval)
7077 beaconintval = bs->bs_sleepduration;
7078
7079 dtimperiod = bs->bs_dtimperiod;
7080 if (bs->bs_sleepduration > dtimperiod)
7081 dtimperiod = bs->bs_sleepduration;
7082
7083 if (beaconintval == dtimperiod)
7084 nextTbtt = bs->bs_nextdtim;
7085 else
7086 nextTbtt = bs->bs_nexttbtt;
7087
7088 DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "%s: next DTIM %d\n", __func__,
7089 bs->bs_nextdtim);
7090 DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "%s: next beacon %d\n", __func__,
7091 nextTbtt);
7092 DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "%s: beacon period %d\n", __func__,
7093 beaconintval);
7094 DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "%s: DTIM period %d\n", __func__,
7095 dtimperiod);
7096
7097 REG_WRITE(ah, AR_NEXT_DTIM,
7098 TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP));
7099 REG_WRITE(ah, AR_NEXT_TIM, TU_TO_USEC(nextTbtt - SLEEP_SLOP));
7100
7101 REG_WRITE(ah, AR_SLEEP1,
7102 SM((CAB_TIMEOUT_VAL << 3), AR_SLEEP1_CAB_TIMEOUT)
7103 | AR_SLEEP1_ASSUME_DTIM);
7104
Sujith60b67f52008-08-07 10:52:38 +05307105 if (pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007106 beacontimeout = (BEACON_TIMEOUT_VAL << 3);
7107 else
7108 beacontimeout = MIN_BEACON_TIMEOUT_VAL;
7109
7110 REG_WRITE(ah, AR_SLEEP2,
7111 SM(beacontimeout, AR_SLEEP2_BEACON_TIMEOUT));
7112
7113 REG_WRITE(ah, AR_TIM_PERIOD, TU_TO_USEC(beaconintval));
7114 REG_WRITE(ah, AR_DTIM_PERIOD, TU_TO_USEC(dtimperiod));
7115
7116 REG_SET_BIT(ah, AR_TIMER_MODE,
7117 AR_TBTT_TIMER_EN | AR_TIM_TIMER_EN |
7118 AR_DTIM_TIMER_EN);
7119
7120}
7121
7122bool ath9k_hw_keyisvalid(struct ath_hal *ah, u16 entry)
7123{
Sujith60b67f52008-08-07 10:52:38 +05307124 if (entry < ah->ah_caps.keycache_size) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007125 u32 val = REG_READ(ah, AR_KEYTABLE_MAC1(entry));
7126 if (val & AR_KEYTABLE_VALID)
7127 return true;
7128 }
7129 return false;
7130}
7131
7132bool ath9k_hw_keyreset(struct ath_hal *ah, u16 entry)
7133{
7134 u32 keyType;
7135
Sujith60b67f52008-08-07 10:52:38 +05307136 if (entry >= ah->ah_caps.keycache_size) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007137 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
7138 "%s: entry %u out of range\n", __func__, entry);
7139 return false;
7140 }
7141 keyType = REG_READ(ah, AR_KEYTABLE_TYPE(entry));
7142
7143 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), 0);
7144 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), 0);
7145 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), 0);
7146 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), 0);
7147 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), 0);
7148 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), AR_KEYTABLE_TYPE_CLR);
7149 REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), 0);
7150 REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), 0);
7151
7152 if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
7153 u16 micentry = entry + 64;
7154
7155 REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), 0);
7156 REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
7157 REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), 0);
7158 REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
7159
7160 }
7161
7162 if (ah->ah_curchan == NULL)
7163 return true;
7164
7165 return true;
7166}
7167
7168bool
7169ath9k_hw_keysetmac(struct ath_hal *ah, u16 entry,
7170 const u8 *mac)
7171{
7172 u32 macHi, macLo;
7173
Sujith60b67f52008-08-07 10:52:38 +05307174 if (entry >= ah->ah_caps.keycache_size) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007175 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
7176 "%s: entry %u out of range\n", __func__, entry);
7177 return false;
7178 }
7179
7180 if (mac != NULL) {
7181 macHi = (mac[5] << 8) | mac[4];
7182 macLo = (mac[3] << 24) | (mac[2] << 16)
7183 | (mac[1] << 8) | mac[0];
7184 macLo >>= 1;
7185 macLo |= (macHi & 1) << 31;
7186 macHi >>= 1;
7187 } else {
7188 macLo = macHi = 0;
7189 }
7190 REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), macLo);
7191 REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | AR_KEYTABLE_VALID);
7192
7193 return true;
7194}
7195
7196bool
7197ath9k_hw_set_keycache_entry(struct ath_hal *ah, u16 entry,
7198 const struct ath9k_keyval *k,
7199 const u8 *mac, int xorKey)
7200{
Sujith60b67f52008-08-07 10:52:38 +05307201 const struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007202 u32 key0, key1, key2, key3, key4;
7203 u32 keyType;
7204 u32 xorMask = xorKey ?
7205 (ATH9K_KEY_XOR << 24 | ATH9K_KEY_XOR << 16 | ATH9K_KEY_XOR << 8
7206 | ATH9K_KEY_XOR) : 0;
7207 struct ath_hal_5416 *ahp = AH5416(ah);
7208
Sujith60b67f52008-08-07 10:52:38 +05307209 if (entry >= pCap->keycache_size) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007210 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
7211 "%s: entry %u out of range\n", __func__, entry);
7212 return false;
7213 }
7214 switch (k->kv_type) {
7215 case ATH9K_CIPHER_AES_OCB:
7216 keyType = AR_KEYTABLE_TYPE_AES;
7217 break;
7218 case ATH9K_CIPHER_AES_CCM:
Sujith60b67f52008-08-07 10:52:38 +05307219 if (!(pCap->hw_caps & ATH9K_HW_CAP_CIPHER_AESCCM)) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007220 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
7221 "%s: AES-CCM not supported by "
7222 "mac rev 0x%x\n", __func__,
7223 ah->ah_macRev);
7224 return false;
7225 }
7226 keyType = AR_KEYTABLE_TYPE_CCM;
7227 break;
7228 case ATH9K_CIPHER_TKIP:
7229 keyType = AR_KEYTABLE_TYPE_TKIP;
7230 if (ATH9K_IS_MIC_ENABLED(ah)
Sujith60b67f52008-08-07 10:52:38 +05307231 && entry + 64 >= pCap->keycache_size) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007232 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
7233 "%s: entry %u inappropriate for TKIP\n",
7234 __func__, entry);
7235 return false;
7236 }
7237 break;
7238 case ATH9K_CIPHER_WEP:
7239 if (k->kv_len < 40 / NBBY) {
7240 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
7241 "%s: WEP key length %u too small\n",
7242 __func__, k->kv_len);
7243 return false;
7244 }
7245 if (k->kv_len <= 40 / NBBY)
7246 keyType = AR_KEYTABLE_TYPE_40;
7247 else if (k->kv_len <= 104 / NBBY)
7248 keyType = AR_KEYTABLE_TYPE_104;
7249 else
7250 keyType = AR_KEYTABLE_TYPE_128;
7251 break;
7252 case ATH9K_CIPHER_CLR:
7253 keyType = AR_KEYTABLE_TYPE_CLR;
7254 break;
7255 default:
7256 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
7257 "%s: cipher %u not supported\n", __func__,
7258 k->kv_type);
7259 return false;
7260 }
7261
7262 key0 = get_unaligned_le32(k->kv_val + 0) ^ xorMask;
7263 key1 = (get_unaligned_le16(k->kv_val + 4) ^ xorMask) & 0xffff;
7264 key2 = get_unaligned_le32(k->kv_val + 6) ^ xorMask;
7265 key3 = (get_unaligned_le16(k->kv_val + 10) ^ xorMask) & 0xffff;
7266 key4 = get_unaligned_le32(k->kv_val + 12) ^ xorMask;
7267 if (k->kv_len <= 104 / NBBY)
7268 key4 &= 0xff;
7269
7270 if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
7271 u16 micentry = entry + 64;
7272
7273 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), ~key0);
7274 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), ~key1);
7275 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
7276 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
7277 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
7278 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
7279 (void) ath9k_hw_keysetmac(ah, entry, mac);
7280
7281 if (ahp->ah_miscMode & AR_PCU_MIC_NEW_LOC_ENA) {
7282 u32 mic0, mic1, mic2, mic3, mic4;
7283
7284 mic0 = get_unaligned_le32(k->kv_mic + 0);
7285 mic2 = get_unaligned_le32(k->kv_mic + 4);
7286 mic1 = get_unaligned_le16(k->kv_txmic + 2) & 0xffff;
7287 mic3 = get_unaligned_le16(k->kv_txmic + 0) & 0xffff;
7288 mic4 = get_unaligned_le32(k->kv_txmic + 4);
7289 REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), mic0);
7290 REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), mic1);
7291 REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), mic2);
7292 REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), mic3);
7293 REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), mic4);
7294 REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
7295 AR_KEYTABLE_TYPE_CLR);
7296
7297 } else {
7298 u32 mic0, mic2;
7299
7300 mic0 = get_unaligned_le32(k->kv_mic + 0);
7301 mic2 = get_unaligned_le32(k->kv_mic + 4);
7302 REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), mic0);
7303 REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
7304 REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), mic2);
7305 REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
7306 REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), 0);
7307 REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
7308 AR_KEYTABLE_TYPE_CLR);
7309 }
7310 REG_WRITE(ah, AR_KEYTABLE_MAC0(micentry), 0);
7311 REG_WRITE(ah, AR_KEYTABLE_MAC1(micentry), 0);
7312 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
7313 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
7314 } else {
7315 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
7316 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
7317 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
7318 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
7319 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
7320 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
7321
7322 (void) ath9k_hw_keysetmac(ah, entry, mac);
7323 }
7324
7325 if (ah->ah_curchan == NULL)
7326 return true;
7327
7328 return true;
7329}
7330
7331bool
7332ath9k_hw_updatetxtriglevel(struct ath_hal *ah, bool bIncTrigLevel)
7333{
7334 struct ath_hal_5416 *ahp = AH5416(ah);
7335 u32 txcfg, curLevel, newLevel;
7336 enum ath9k_int omask;
7337
7338 if (ah->ah_txTrigLevel >= MAX_TX_FIFO_THRESHOLD)
7339 return false;
7340
7341 omask = ath9k_hw_set_interrupts(ah,
7342 ahp->ah_maskReg & ~ATH9K_INT_GLOBAL);
7343
7344 txcfg = REG_READ(ah, AR_TXCFG);
7345 curLevel = MS(txcfg, AR_FTRIG);
7346 newLevel = curLevel;
7347 if (bIncTrigLevel) {
7348 if (curLevel < MAX_TX_FIFO_THRESHOLD)
7349 newLevel++;
7350 } else if (curLevel > MIN_TX_FIFO_THRESHOLD)
7351 newLevel--;
7352 if (newLevel != curLevel)
7353 REG_WRITE(ah, AR_TXCFG,
7354 (txcfg & ~AR_FTRIG) | SM(newLevel, AR_FTRIG));
7355
7356 ath9k_hw_set_interrupts(ah, omask);
7357
7358 ah->ah_txTrigLevel = newLevel;
7359
7360 return newLevel != curLevel;
7361}
7362
Sujithea9880f2008-08-07 10:53:10 +05307363bool ath9k_hw_set_txq_props(struct ath_hal *ah, int q,
7364 const struct ath9k_tx_queue_info *qinfo)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007365{
7366 u32 cw;
Sujithea9880f2008-08-07 10:53:10 +05307367 struct ath_hal_5416 *ahp = AH5416(ah);
7368 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
7369 struct ath9k_tx_queue_info *qi;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007370
Sujithea9880f2008-08-07 10:53:10 +05307371 if (q >= pCap->total_queues) {
7372 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
7373 __func__, q);
7374 return false;
7375 }
7376
7377 qi = &ahp->ah_txq[q];
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007378 if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
7379 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue\n",
7380 __func__);
7381 return false;
7382 }
7383
7384 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: queue %p\n", __func__, qi);
7385
Sujithea9880f2008-08-07 10:53:10 +05307386 qi->tqi_ver = qinfo->tqi_ver;
7387 qi->tqi_subtype = qinfo->tqi_subtype;
7388 qi->tqi_qflags = qinfo->tqi_qflags;
7389 qi->tqi_priority = qinfo->tqi_priority;
7390 if (qinfo->tqi_aifs != ATH9K_TXQ_USEDEFAULT)
7391 qi->tqi_aifs = min(qinfo->tqi_aifs, 255U);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007392 else
7393 qi->tqi_aifs = INIT_AIFS;
Sujithea9880f2008-08-07 10:53:10 +05307394 if (qinfo->tqi_cwmin != ATH9K_TXQ_USEDEFAULT) {
7395 cw = min(qinfo->tqi_cwmin, 1024U);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007396 qi->tqi_cwmin = 1;
7397 while (qi->tqi_cwmin < cw)
7398 qi->tqi_cwmin = (qi->tqi_cwmin << 1) | 1;
7399 } else
Sujithea9880f2008-08-07 10:53:10 +05307400 qi->tqi_cwmin = qinfo->tqi_cwmin;
7401 if (qinfo->tqi_cwmax != ATH9K_TXQ_USEDEFAULT) {
7402 cw = min(qinfo->tqi_cwmax, 1024U);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007403 qi->tqi_cwmax = 1;
7404 while (qi->tqi_cwmax < cw)
7405 qi->tqi_cwmax = (qi->tqi_cwmax << 1) | 1;
7406 } else
7407 qi->tqi_cwmax = INIT_CWMAX;
7408
Sujithea9880f2008-08-07 10:53:10 +05307409 if (qinfo->tqi_shretry != 0)
7410 qi->tqi_shretry = min((u32) qinfo->tqi_shretry, 15U);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007411 else
7412 qi->tqi_shretry = INIT_SH_RETRY;
Sujithea9880f2008-08-07 10:53:10 +05307413 if (qinfo->tqi_lgretry != 0)
7414 qi->tqi_lgretry = min((u32) qinfo->tqi_lgretry, 15U);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007415 else
7416 qi->tqi_lgretry = INIT_LG_RETRY;
Sujithea9880f2008-08-07 10:53:10 +05307417 qi->tqi_cbrPeriod = qinfo->tqi_cbrPeriod;
7418 qi->tqi_cbrOverflowLimit = qinfo->tqi_cbrOverflowLimit;
7419 qi->tqi_burstTime = qinfo->tqi_burstTime;
7420 qi->tqi_readyTime = qinfo->tqi_readyTime;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007421
Sujithea9880f2008-08-07 10:53:10 +05307422 switch (qinfo->tqi_subtype) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007423 case ATH9K_WME_UPSD:
7424 if (qi->tqi_type == ATH9K_TX_QUEUE_DATA)
7425 qi->tqi_intFlags = ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS;
7426 break;
7427 default:
7428 break;
7429 }
7430 return true;
7431}
7432
Sujithea9880f2008-08-07 10:53:10 +05307433bool ath9k_hw_get_txq_props(struct ath_hal *ah, int q,
7434 struct ath9k_tx_queue_info *qinfo)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007435{
7436 struct ath_hal_5416 *ahp = AH5416(ah);
Sujith60b67f52008-08-07 10:52:38 +05307437 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Sujithea9880f2008-08-07 10:53:10 +05307438 struct ath9k_tx_queue_info *qi;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007439
Sujith60b67f52008-08-07 10:52:38 +05307440 if (q >= pCap->total_queues) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007441 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
7442 __func__, q);
7443 return false;
7444 }
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007445
Sujithea9880f2008-08-07 10:53:10 +05307446 qi = &ahp->ah_txq[q];
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007447 if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
7448 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue\n",
7449 __func__);
7450 return false;
7451 }
7452
Sujithea9880f2008-08-07 10:53:10 +05307453 qinfo->tqi_qflags = qi->tqi_qflags;
7454 qinfo->tqi_ver = qi->tqi_ver;
7455 qinfo->tqi_subtype = qi->tqi_subtype;
7456 qinfo->tqi_qflags = qi->tqi_qflags;
7457 qinfo->tqi_priority = qi->tqi_priority;
7458 qinfo->tqi_aifs = qi->tqi_aifs;
7459 qinfo->tqi_cwmin = qi->tqi_cwmin;
7460 qinfo->tqi_cwmax = qi->tqi_cwmax;
7461 qinfo->tqi_shretry = qi->tqi_shretry;
7462 qinfo->tqi_lgretry = qi->tqi_lgretry;
7463 qinfo->tqi_cbrPeriod = qi->tqi_cbrPeriod;
7464 qinfo->tqi_cbrOverflowLimit = qi->tqi_cbrOverflowLimit;
7465 qinfo->tqi_burstTime = qi->tqi_burstTime;
7466 qinfo->tqi_readyTime = qi->tqi_readyTime;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007467
7468 return true;
7469}
7470
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007471int
7472ath9k_hw_setuptxqueue(struct ath_hal *ah, enum ath9k_tx_queue type,
Sujithea9880f2008-08-07 10:53:10 +05307473 const struct ath9k_tx_queue_info *qinfo)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007474{
7475 struct ath_hal_5416 *ahp = AH5416(ah);
7476 struct ath9k_tx_queue_info *qi;
Sujith60b67f52008-08-07 10:52:38 +05307477 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007478 int q;
7479
7480 switch (type) {
7481 case ATH9K_TX_QUEUE_BEACON:
Sujith60b67f52008-08-07 10:52:38 +05307482 q = pCap->total_queues - 1;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007483 break;
7484 case ATH9K_TX_QUEUE_CAB:
Sujith60b67f52008-08-07 10:52:38 +05307485 q = pCap->total_queues - 2;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007486 break;
7487 case ATH9K_TX_QUEUE_PSPOLL:
7488 q = 1;
7489 break;
7490 case ATH9K_TX_QUEUE_UAPSD:
Sujith60b67f52008-08-07 10:52:38 +05307491 q = pCap->total_queues - 3;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007492 break;
7493 case ATH9K_TX_QUEUE_DATA:
Sujith60b67f52008-08-07 10:52:38 +05307494 for (q = 0; q < pCap->total_queues; q++)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007495 if (ahp->ah_txq[q].tqi_type ==
7496 ATH9K_TX_QUEUE_INACTIVE)
7497 break;
Sujith60b67f52008-08-07 10:52:38 +05307498 if (q == pCap->total_queues) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007499 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
7500 "%s: no available tx queue\n", __func__);
7501 return -1;
7502 }
7503 break;
7504 default:
7505 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: bad tx queue type %u\n",
7506 __func__, type);
7507 return -1;
7508 }
7509
7510 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: queue %u\n", __func__, q);
7511
7512 qi = &ahp->ah_txq[q];
7513 if (qi->tqi_type != ATH9K_TX_QUEUE_INACTIVE) {
7514 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
7515 "%s: tx queue %u already active\n", __func__, q);
7516 return -1;
7517 }
7518 memset(qi, 0, sizeof(struct ath9k_tx_queue_info));
7519 qi->tqi_type = type;
Sujithea9880f2008-08-07 10:53:10 +05307520 if (qinfo == NULL) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007521 qi->tqi_qflags =
7522 TXQ_FLAG_TXOKINT_ENABLE
7523 | TXQ_FLAG_TXERRINT_ENABLE
7524 | TXQ_FLAG_TXDESCINT_ENABLE | TXQ_FLAG_TXURNINT_ENABLE;
7525 qi->tqi_aifs = INIT_AIFS;
7526 qi->tqi_cwmin = ATH9K_TXQ_USEDEFAULT;
7527 qi->tqi_cwmax = INIT_CWMAX;
7528 qi->tqi_shretry = INIT_SH_RETRY;
7529 qi->tqi_lgretry = INIT_LG_RETRY;
7530 qi->tqi_physCompBuf = 0;
7531 } else {
Sujithea9880f2008-08-07 10:53:10 +05307532 qi->tqi_physCompBuf = qinfo->tqi_physCompBuf;
7533 (void) ath9k_hw_set_txq_props(ah, q, qinfo);
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007534 }
7535
7536 return q;
7537}
7538
7539static void
7540ath9k_hw_set_txq_interrupts(struct ath_hal *ah,
7541 struct ath9k_tx_queue_info *qi)
7542{
7543 struct ath_hal_5416 *ahp = AH5416(ah);
7544
7545 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
7546 "%s: tx ok 0x%x err 0x%x desc 0x%x eol 0x%x urn 0x%x\n",
7547 __func__, ahp->ah_txOkInterruptMask,
7548 ahp->ah_txErrInterruptMask, ahp->ah_txDescInterruptMask,
7549 ahp->ah_txEolInterruptMask, ahp->ah_txUrnInterruptMask);
7550
7551 REG_WRITE(ah, AR_IMR_S0,
7552 SM(ahp->ah_txOkInterruptMask, AR_IMR_S0_QCU_TXOK)
7553 | SM(ahp->ah_txDescInterruptMask, AR_IMR_S0_QCU_TXDESC));
7554 REG_WRITE(ah, AR_IMR_S1,
7555 SM(ahp->ah_txErrInterruptMask, AR_IMR_S1_QCU_TXERR)
7556 | SM(ahp->ah_txEolInterruptMask, AR_IMR_S1_QCU_TXEOL));
7557 REG_RMW_FIELD(ah, AR_IMR_S2,
7558 AR_IMR_S2_QCU_TXURN, ahp->ah_txUrnInterruptMask);
7559}
7560
7561bool ath9k_hw_releasetxqueue(struct ath_hal *ah, u32 q)
7562{
7563 struct ath_hal_5416 *ahp = AH5416(ah);
Sujith60b67f52008-08-07 10:52:38 +05307564 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007565 struct ath9k_tx_queue_info *qi;
7566
Sujith60b67f52008-08-07 10:52:38 +05307567 if (q >= pCap->total_queues) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007568 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
7569 __func__, q);
7570 return false;
7571 }
7572 qi = &ahp->ah_txq[q];
7573 if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
7574 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue %u\n",
7575 __func__, q);
7576 return false;
7577 }
7578
7579 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: release queue %u\n",
7580 __func__, q);
7581
7582 qi->tqi_type = ATH9K_TX_QUEUE_INACTIVE;
7583 ahp->ah_txOkInterruptMask &= ~(1 << q);
7584 ahp->ah_txErrInterruptMask &= ~(1 << q);
7585 ahp->ah_txDescInterruptMask &= ~(1 << q);
7586 ahp->ah_txEolInterruptMask &= ~(1 << q);
7587 ahp->ah_txUrnInterruptMask &= ~(1 << q);
7588 ath9k_hw_set_txq_interrupts(ah, qi);
7589
7590 return true;
7591}
7592
7593bool ath9k_hw_resettxqueue(struct ath_hal *ah, u32 q)
7594{
7595 struct ath_hal_5416 *ahp = AH5416(ah);
Sujith60b67f52008-08-07 10:52:38 +05307596 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007597 struct ath9k_channel *chan = ah->ah_curchan;
7598 struct ath9k_tx_queue_info *qi;
7599 u32 cwMin, chanCwMin, value;
7600
Sujith60b67f52008-08-07 10:52:38 +05307601 if (q >= pCap->total_queues) {
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007602 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
7603 __func__, q);
7604 return false;
7605 }
7606 qi = &ahp->ah_txq[q];
7607 if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
7608 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue %u\n",
7609 __func__, q);
7610 return true;
7611 }
7612
7613 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: reset queue %u\n", __func__, q);
7614
7615 if (qi->tqi_cwmin == ATH9K_TXQ_USEDEFAULT) {
7616 if (chan && IS_CHAN_B(chan))
7617 chanCwMin = INIT_CWMIN_11B;
7618 else
7619 chanCwMin = INIT_CWMIN;
7620
7621 for (cwMin = 1; cwMin < chanCwMin; cwMin = (cwMin << 1) | 1);
7622 } else
7623 cwMin = qi->tqi_cwmin;
7624
7625 REG_WRITE(ah, AR_DLCL_IFS(q), SM(cwMin, AR_D_LCL_IFS_CWMIN)
7626 | SM(qi->tqi_cwmax, AR_D_LCL_IFS_CWMAX)
7627 | SM(qi->tqi_aifs, AR_D_LCL_IFS_AIFS));
7628
7629 REG_WRITE(ah, AR_DRETRY_LIMIT(q),
7630 SM(INIT_SSH_RETRY, AR_D_RETRY_LIMIT_STA_SH)
7631 | SM(INIT_SLG_RETRY, AR_D_RETRY_LIMIT_STA_LG)
Sujithdc2222a2008-08-14 13:26:55 +05307632 | SM(qi->tqi_shretry, AR_D_RETRY_LIMIT_FR_SH));
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007633
7634 REG_WRITE(ah, AR_QMISC(q), AR_Q_MISC_DCU_EARLY_TERM_REQ);
7635 REG_WRITE(ah, AR_DMISC(q),
7636 AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x2);
7637
7638 if (qi->tqi_cbrPeriod) {
7639 REG_WRITE(ah, AR_QCBRCFG(q),
7640 SM(qi->tqi_cbrPeriod, AR_Q_CBRCFG_INTERVAL)
7641 | SM(qi->tqi_cbrOverflowLimit,
7642 AR_Q_CBRCFG_OVF_THRESH));
7643 REG_WRITE(ah, AR_QMISC(q),
7644 REG_READ(ah,
7645 AR_QMISC(q)) | AR_Q_MISC_FSP_CBR | (qi->
7646 tqi_cbrOverflowLimit
7647 ?
7648 AR_Q_MISC_CBR_EXP_CNTR_LIMIT_EN
7649 :
7650 0));
7651 }
7652 if (qi->tqi_readyTime && (qi->tqi_type != ATH9K_TX_QUEUE_CAB)) {
7653 REG_WRITE(ah, AR_QRDYTIMECFG(q),
7654 SM(qi->tqi_readyTime, AR_Q_RDYTIMECFG_DURATION) |
7655 AR_Q_RDYTIMECFG_EN);
7656 }
7657
7658 REG_WRITE(ah, AR_DCHNTIME(q),
7659 SM(qi->tqi_burstTime, AR_D_CHNTIME_DUR) |
7660 (qi->tqi_burstTime ? AR_D_CHNTIME_EN : 0));
7661
7662 if (qi->tqi_burstTime
7663 && (qi->tqi_qflags & TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE)) {
7664 REG_WRITE(ah, AR_QMISC(q),
7665 REG_READ(ah,
7666 AR_QMISC(q)) |
7667 AR_Q_MISC_RDYTIME_EXP_POLICY);
7668
7669 }
7670
7671 if (qi->tqi_qflags & TXQ_FLAG_BACKOFF_DISABLE) {
7672 REG_WRITE(ah, AR_DMISC(q),
7673 REG_READ(ah, AR_DMISC(q)) |
7674 AR_D_MISC_POST_FR_BKOFF_DIS);
7675 }
7676 if (qi->tqi_qflags & TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE) {
7677 REG_WRITE(ah, AR_DMISC(q),
7678 REG_READ(ah, AR_DMISC(q)) |
7679 AR_D_MISC_FRAG_BKOFF_EN);
7680 }
7681 switch (qi->tqi_type) {
7682 case ATH9K_TX_QUEUE_BEACON:
7683 REG_WRITE(ah, AR_QMISC(q), REG_READ(ah, AR_QMISC(q))
7684 | AR_Q_MISC_FSP_DBA_GATED
7685 | AR_Q_MISC_BEACON_USE
7686 | AR_Q_MISC_CBR_INCR_DIS1);
7687
7688 REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q))
7689 | (AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL <<
7690 AR_D_MISC_ARB_LOCKOUT_CNTRL_S)
7691 | AR_D_MISC_BEACON_USE
7692 | AR_D_MISC_POST_FR_BKOFF_DIS);
7693 break;
7694 case ATH9K_TX_QUEUE_CAB:
7695 REG_WRITE(ah, AR_QMISC(q), REG_READ(ah, AR_QMISC(q))
7696 | AR_Q_MISC_FSP_DBA_GATED
7697 | AR_Q_MISC_CBR_INCR_DIS1
7698 | AR_Q_MISC_CBR_INCR_DIS0);
7699 value = (qi->tqi_readyTime
Sujith60b67f52008-08-07 10:52:38 +05307700 - (ah->ah_config.sw_beacon_response_time -
7701 ah->ah_config.dma_beacon_response_time)
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007702 -
Sujith60b67f52008-08-07 10:52:38 +05307703 ah->ah_config.additional_swba_backoff) *
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07007704 1024;
7705 REG_WRITE(ah, AR_QRDYTIMECFG(q),
7706 value | AR_Q_RDYTIMECFG_EN);
7707 REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q))
7708 | (AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL <<
7709 AR_D_MISC_ARB_LOCKOUT_CNTRL_S));
7710 break;
7711 case ATH9K_TX_QUEUE_PSPOLL:
7712 REG_WRITE(ah, AR_QMISC(q),
7713 REG_READ(ah,
7714 AR_QMISC(q)) | AR_Q_MISC_CBR_INCR_DIS1);
7715 break;
7716 case ATH9K_TX_QUEUE_UAPSD:
7717 REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q))
7718 | AR_D_MISC_POST_FR_BKOFF_DIS);
7719 break;
7720 default:
7721 break;
7722 }
7723
7724 if (qi->tqi_intFlags & ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS) {
7725 REG_WRITE(ah, AR_DMISC(q),
7726 REG_READ(ah, AR_DMISC(q)) |
7727 SM(AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL,
7728 AR_D_MISC_ARB_LOCKOUT_CNTRL) |
7729 AR_D_MISC_POST_FR_BKOFF_DIS);
7730 }
7731
7732 if (qi->tqi_qflags & TXQ_FLAG_TXOKINT_ENABLE)
7733 ahp->ah_txOkInterruptMask |= 1 << q;
7734 else
7735 ahp->ah_txOkInterruptMask &= ~(1 << q);
7736 if (qi->tqi_qflags & TXQ_FLAG_TXERRINT_ENABLE)
7737 ahp->ah_txErrInterruptMask |= 1 << q;
7738 else
7739 ahp->ah_txErrInterruptMask &= ~(1 << q);
7740 if (qi->tqi_qflags & TXQ_FLAG_TXDESCINT_ENABLE)
7741 ahp->ah_txDescInterruptMask |= 1 << q;
7742 else
7743 ahp->ah_txDescInterruptMask &= ~(1 << q);
7744 if (qi->tqi_qflags & TXQ_FLAG_TXEOLINT_ENABLE)
7745 ahp->ah_txEolInterruptMask |= 1 << q;
7746 else
7747 ahp->ah_txEolInterruptMask &= ~(1 << q);
7748 if (qi->tqi_qflags & TXQ_FLAG_TXURNINT_ENABLE)
7749 ahp->ah_txUrnInterruptMask |= 1 << q;
7750 else
7751 ahp->ah_txUrnInterruptMask &= ~(1 << q);
7752 ath9k_hw_set_txq_interrupts(ah, qi);
7753
7754 return true;
7755}
7756
7757void ath9k_hw_gettxintrtxqs(struct ath_hal *ah, u32 *txqs)
7758{
7759 struct ath_hal_5416 *ahp = AH5416(ah);
7760 *txqs &= ahp->ah_intrTxqs;
7761 ahp->ah_intrTxqs &= ~(*txqs);
7762}
7763
7764bool
7765ath9k_hw_filltxdesc(struct ath_hal *ah, struct ath_desc *ds,
7766 u32 segLen, bool firstSeg,
7767 bool lastSeg, const struct ath_desc *ds0)
7768{
7769 struct ar5416_desc *ads = AR5416DESC(ds);
7770
7771 if (firstSeg) {
7772 ads->ds_ctl1 |= segLen | (lastSeg ? 0 : AR_TxMore);
7773 } else if (lastSeg) {
7774 ads->ds_ctl0 = 0;
7775 ads->ds_ctl1 = segLen;
7776 ads->ds_ctl2 = AR5416DESC_CONST(ds0)->ds_ctl2;
7777 ads->ds_ctl3 = AR5416DESC_CONST(ds0)->ds_ctl3;
7778 } else {
7779 ads->ds_ctl0 = 0;
7780 ads->ds_ctl1 = segLen | AR_TxMore;
7781 ads->ds_ctl2 = 0;
7782 ads->ds_ctl3 = 0;
7783 }
7784 ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
7785 ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
7786 ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
7787 ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
7788 ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
7789 return true;
7790}
7791
7792void ath9k_hw_cleartxdesc(struct ath_hal *ah, struct ath_desc *ds)
7793{
7794 struct ar5416_desc *ads = AR5416DESC(ds);
7795
7796 ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
7797 ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
7798 ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
7799 ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
7800 ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
7801}
7802
7803int
7804ath9k_hw_txprocdesc(struct ath_hal *ah, struct ath_desc *ds)
7805{
7806 struct ar5416_desc *ads = AR5416DESC(ds);
7807
7808 if ((ads->ds_txstatus9 & AR_TxDone) == 0)
7809 return -EINPROGRESS;
7810
7811 ds->ds_txstat.ts_seqnum = MS(ads->ds_txstatus9, AR_SeqNum);
7812 ds->ds_txstat.ts_tstamp = ads->AR_SendTimestamp;
7813 ds->ds_txstat.ts_status = 0;
7814 ds->ds_txstat.ts_flags = 0;
7815
7816 if (ads->ds_txstatus1 & AR_ExcessiveRetries)
7817 ds->ds_txstat.ts_status |= ATH9K_TXERR_XRETRY;
7818 if (ads->ds_txstatus1 & AR_Filtered)
7819 ds->ds_txstat.ts_status |= ATH9K_TXERR_FILT;
7820 if (ads->ds_txstatus1 & AR_FIFOUnderrun)
7821 ds->ds_txstat.ts_status |= ATH9K_TXERR_FIFO;
7822 if (ads->ds_txstatus9 & AR_TxOpExceeded)
7823 ds->ds_txstat.ts_status |= ATH9K_TXERR_XTXOP;
7824 if (ads->ds_txstatus1 & AR_TxTimerExpired)
7825 ds->ds_txstat.ts_status |= ATH9K_TXERR_TIMER_EXPIRED;
7826
7827 if (ads->ds_txstatus1 & AR_DescCfgErr)
7828 ds->ds_txstat.ts_flags |= ATH9K_TX_DESC_CFG_ERR;
7829 if (ads->ds_txstatus1 & AR_TxDataUnderrun) {
7830 ds->ds_txstat.ts_flags |= ATH9K_TX_DATA_UNDERRUN;
7831 ath9k_hw_updatetxtriglevel(ah, true);
7832 }
7833 if (ads->ds_txstatus1 & AR_TxDelimUnderrun) {
7834 ds->ds_txstat.ts_flags |= ATH9K_TX_DELIM_UNDERRUN;
7835 ath9k_hw_updatetxtriglevel(ah, true);
7836 }
7837 if (ads->ds_txstatus0 & AR_TxBaStatus) {
7838 ds->ds_txstat.ts_flags |= ATH9K_TX_BA;
7839 ds->ds_txstat.ba_low = ads->AR_BaBitmapLow;
7840 ds->ds_txstat.ba_high = ads->AR_BaBitmapHigh;
7841 }
7842
7843 ds->ds_txstat.ts_rateindex = MS(ads->ds_txstatus9, AR_FinalTxIdx);
7844 switch (ds->ds_txstat.ts_rateindex) {
7845 case 0:
7846 ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate0);
7847 break;
7848 case 1:
7849 ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate1);
7850 break;
7851 case 2:
7852 ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate2);
7853 break;
7854 case 3:
7855 ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate3);
7856 break;
7857 }
7858
7859 ds->ds_txstat.ts_rssi = MS(ads->ds_txstatus5, AR_TxRSSICombined);
7860 ds->ds_txstat.ts_rssi_ctl0 = MS(ads->ds_txstatus0, AR_TxRSSIAnt00);
7861 ds->ds_txstat.ts_rssi_ctl1 = MS(ads->ds_txstatus0, AR_TxRSSIAnt01);
7862 ds->ds_txstat.ts_rssi_ctl2 = MS(ads->ds_txstatus0, AR_TxRSSIAnt02);
7863 ds->ds_txstat.ts_rssi_ext0 = MS(ads->ds_txstatus5, AR_TxRSSIAnt10);
7864 ds->ds_txstat.ts_rssi_ext1 = MS(ads->ds_txstatus5, AR_TxRSSIAnt11);
7865 ds->ds_txstat.ts_rssi_ext2 = MS(ads->ds_txstatus5, AR_TxRSSIAnt12);
7866 ds->ds_txstat.evm0 = ads->AR_TxEVM0;
7867 ds->ds_txstat.evm1 = ads->AR_TxEVM1;
7868 ds->ds_txstat.evm2 = ads->AR_TxEVM2;
7869 ds->ds_txstat.ts_shortretry = MS(ads->ds_txstatus1, AR_RTSFailCnt);
7870 ds->ds_txstat.ts_longretry = MS(ads->ds_txstatus1, AR_DataFailCnt);
7871 ds->ds_txstat.ts_virtcol = MS(ads->ds_txstatus1, AR_VirtRetryCnt);
7872 ds->ds_txstat.ts_antenna = 1;
7873
7874 return 0;
7875}
7876
7877void
7878ath9k_hw_set11n_txdesc(struct ath_hal *ah, struct ath_desc *ds,
7879 u32 pktLen, enum ath9k_pkt_type type, u32 txPower,
7880 u32 keyIx, enum ath9k_key_type keyType, u32 flags)
7881{
7882 struct ar5416_desc *ads = AR5416DESC(ds);
7883 struct ath_hal_5416 *ahp = AH5416(ah);
7884
7885 txPower += ahp->ah_txPowerIndexOffset;
7886 if (txPower > 63)
7887 txPower = 63;
7888
7889 ads->ds_ctl0 = (pktLen & AR_FrameLen)
7890 | (flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
7891 | SM(txPower, AR_XmitPower)
7892 | (flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
7893 | (flags & ATH9K_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
7894 | (flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
7895 | (keyIx != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0);
7896
7897 ads->ds_ctl1 =
7898 (keyIx != ATH9K_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
7899 | SM(type, AR_FrameType)
7900 | (flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
7901 | (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
7902 | (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
7903
7904 ads->ds_ctl6 = SM(keyType, AR_EncrType);
7905
7906 if (AR_SREV_9285(ah)) {
7907
7908 ads->ds_ctl8 = 0;
7909 ads->ds_ctl9 = 0;
7910 ads->ds_ctl10 = 0;
7911 ads->ds_ctl11 = 0;
7912 }
7913}
7914
7915void
7916ath9k_hw_set11n_ratescenario(struct ath_hal *ah, struct ath_desc *ds,
7917 struct ath_desc *lastds,
7918 u32 durUpdateEn, u32 rtsctsRate,
7919 u32 rtsctsDuration,
7920 struct ath9k_11n_rate_series series[],
7921 u32 nseries, u32 flags)
7922{
7923 struct ar5416_desc *ads = AR5416DESC(ds);
7924 struct ar5416_desc *last_ads = AR5416DESC(lastds);
7925 u32 ds_ctl0;
7926
7927 (void) nseries;
7928 (void) rtsctsDuration;
7929
7930 if (flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA)) {
7931 ds_ctl0 = ads->ds_ctl0;
7932
7933 if (flags & ATH9K_TXDESC_RTSENA) {
7934 ds_ctl0 &= ~AR_CTSEnable;
7935 ds_ctl0 |= AR_RTSEnable;
7936 } else {
7937 ds_ctl0 &= ~AR_RTSEnable;
7938 ds_ctl0 |= AR_CTSEnable;
7939 }
7940
7941 ads->ds_ctl0 = ds_ctl0;
7942 } else {
7943 ads->ds_ctl0 =
7944 (ads->ds_ctl0 & ~(AR_RTSEnable | AR_CTSEnable));
7945 }
7946
7947 ads->ds_ctl2 = set11nTries(series, 0)
7948 | set11nTries(series, 1)
7949 | set11nTries(series, 2)
7950 | set11nTries(series, 3)
7951 | (durUpdateEn ? AR_DurUpdateEna : 0)
7952 | SM(0, AR_BurstDur);
7953
7954 ads->ds_ctl3 = set11nRate(series, 0)
7955 | set11nRate(series, 1)
7956 | set11nRate(series, 2)
7957 | set11nRate(series, 3);
7958
7959 ads->ds_ctl4 = set11nPktDurRTSCTS(series, 0)
7960 | set11nPktDurRTSCTS(series, 1);
7961
7962 ads->ds_ctl5 = set11nPktDurRTSCTS(series, 2)
7963 | set11nPktDurRTSCTS(series, 3);
7964
7965 ads->ds_ctl7 = set11nRateFlags(series, 0)
7966 | set11nRateFlags(series, 1)
7967 | set11nRateFlags(series, 2)
7968 | set11nRateFlags(series, 3)
7969 | SM(rtsctsRate, AR_RTSCTSRate);
7970 last_ads->ds_ctl2 = ads->ds_ctl2;
7971 last_ads->ds_ctl3 = ads->ds_ctl3;
7972}
7973
7974void
7975ath9k_hw_set11n_aggr_first(struct ath_hal *ah, struct ath_desc *ds,
7976 u32 aggrLen)
7977{
7978 struct ar5416_desc *ads = AR5416DESC(ds);
7979
7980 ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
7981
7982 ads->ds_ctl6 &= ~AR_AggrLen;
7983 ads->ds_ctl6 |= SM(aggrLen, AR_AggrLen);
7984}
7985
7986void
7987ath9k_hw_set11n_aggr_middle(struct ath_hal *ah, struct ath_desc *ds,
7988 u32 numDelims)
7989{
7990 struct ar5416_desc *ads = AR5416DESC(ds);
7991 unsigned int ctl6;
7992
7993 ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
7994
7995 ctl6 = ads->ds_ctl6;
7996 ctl6 &= ~AR_PadDelim;
7997 ctl6 |= SM(numDelims, AR_PadDelim);
7998 ads->ds_ctl6 = ctl6;
7999}
8000
8001void ath9k_hw_set11n_aggr_last(struct ath_hal *ah, struct ath_desc *ds)
8002{
8003 struct ar5416_desc *ads = AR5416DESC(ds);
8004
8005 ads->ds_ctl1 |= AR_IsAggr;
8006 ads->ds_ctl1 &= ~AR_MoreAggr;
8007 ads->ds_ctl6 &= ~AR_PadDelim;
8008}
8009
8010void ath9k_hw_clr11n_aggr(struct ath_hal *ah, struct ath_desc *ds)
8011{
8012 struct ar5416_desc *ads = AR5416DESC(ds);
8013
8014 ads->ds_ctl1 &= (~AR_IsAggr & ~AR_MoreAggr);
8015}
8016
8017void
8018ath9k_hw_set11n_burstduration(struct ath_hal *ah, struct ath_desc *ds,
8019 u32 burstDuration)
8020{
8021 struct ar5416_desc *ads = AR5416DESC(ds);
8022
8023 ads->ds_ctl2 &= ~AR_BurstDur;
8024 ads->ds_ctl2 |= SM(burstDuration, AR_BurstDur);
8025}
8026
8027void
8028ath9k_hw_set11n_virtualmorefrag(struct ath_hal *ah, struct ath_desc *ds,
8029 u32 vmf)
8030{
8031 struct ar5416_desc *ads = AR5416DESC(ds);
8032
8033 if (vmf)
8034 ads->ds_ctl0 |= AR_VirtMoreFrag;
8035 else
8036 ads->ds_ctl0 &= ~AR_VirtMoreFrag;
8037}
8038
8039void ath9k_hw_putrxbuf(struct ath_hal *ah, u32 rxdp)
8040{
8041 REG_WRITE(ah, AR_RXDP, rxdp);
8042}
8043
8044void ath9k_hw_rxena(struct ath_hal *ah)
8045{
8046 REG_WRITE(ah, AR_CR, AR_CR_RXE);
8047}
8048
8049bool ath9k_hw_setrxabort(struct ath_hal *ah, bool set)
8050{
8051 if (set) {
8052
8053 REG_SET_BIT(ah, AR_DIAG_SW,
8054 (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
8055
8056 if (!ath9k_hw_wait
8057 (ah, AR_OBS_BUS_1, AR_OBS_BUS_1_RX_STATE, 0)) {
8058 u32 reg;
8059
8060 REG_CLR_BIT(ah, AR_DIAG_SW,
8061 (AR_DIAG_RX_DIS |
8062 AR_DIAG_RX_ABORT));
8063
8064 reg = REG_READ(ah, AR_OBS_BUS_1);
8065 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
8066 "%s: rx failed to go idle in 10 ms RXSM=0x%x\n",
8067 __func__, reg);
8068
8069 return false;
8070 }
8071 } else {
8072 REG_CLR_BIT(ah, AR_DIAG_SW,
8073 (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
8074 }
8075
8076 return true;
8077}
8078
8079void
8080ath9k_hw_setmcastfilter(struct ath_hal *ah, u32 filter0,
8081 u32 filter1)
8082{
8083 REG_WRITE(ah, AR_MCAST_FIL0, filter0);
8084 REG_WRITE(ah, AR_MCAST_FIL1, filter1);
8085}
8086
8087bool
8088ath9k_hw_setuprxdesc(struct ath_hal *ah, struct ath_desc *ds,
8089 u32 size, u32 flags)
8090{
8091 struct ar5416_desc *ads = AR5416DESC(ds);
Sujith60b67f52008-08-07 10:52:38 +05308092 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07008093
8094 ads->ds_ctl1 = size & AR_BufLen;
8095 if (flags & ATH9K_RXDESC_INTREQ)
8096 ads->ds_ctl1 |= AR_RxIntrReq;
8097
8098 ads->ds_rxstatus8 &= ~AR_RxDone;
Sujith60b67f52008-08-07 10:52:38 +05308099 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07008100 memset(&(ads->u), 0, sizeof(ads->u));
8101 return true;
8102}
8103
8104int
8105ath9k_hw_rxprocdesc(struct ath_hal *ah, struct ath_desc *ds,
8106 u32 pa, struct ath_desc *nds, u64 tsf)
8107{
8108 struct ar5416_desc ads;
8109 struct ar5416_desc *adsp = AR5416DESC(ds);
8110
8111 if ((adsp->ds_rxstatus8 & AR_RxDone) == 0)
8112 return -EINPROGRESS;
8113
8114 ads.u.rx = adsp->u.rx;
8115
8116 ds->ds_rxstat.rs_status = 0;
8117 ds->ds_rxstat.rs_flags = 0;
8118
8119 ds->ds_rxstat.rs_datalen = ads.ds_rxstatus1 & AR_DataLen;
8120 ds->ds_rxstat.rs_tstamp = ads.AR_RcvTimestamp;
8121
8122 ds->ds_rxstat.rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined);
8123 ds->ds_rxstat.rs_rssi_ctl0 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt00);
8124 ds->ds_rxstat.rs_rssi_ctl1 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt01);
8125 ds->ds_rxstat.rs_rssi_ctl2 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt02);
8126 ds->ds_rxstat.rs_rssi_ext0 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt10);
8127 ds->ds_rxstat.rs_rssi_ext1 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt11);
8128 ds->ds_rxstat.rs_rssi_ext2 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt12);
8129 if (ads.ds_rxstatus8 & AR_RxKeyIdxValid)
8130 ds->ds_rxstat.rs_keyix = MS(ads.ds_rxstatus8, AR_KeyIdx);
8131 else
8132 ds->ds_rxstat.rs_keyix = ATH9K_RXKEYIX_INVALID;
8133
8134 ds->ds_rxstat.rs_rate = RXSTATUS_RATE(ah, (&ads));
8135 ds->ds_rxstat.rs_more = (ads.ds_rxstatus1 & AR_RxMore) ? 1 : 0;
8136
8137 ds->ds_rxstat.rs_isaggr = (ads.ds_rxstatus8 & AR_RxAggr) ? 1 : 0;
8138 ds->ds_rxstat.rs_moreaggr =
8139 (ads.ds_rxstatus8 & AR_RxMoreAggr) ? 1 : 0;
8140 ds->ds_rxstat.rs_antenna = MS(ads.ds_rxstatus3, AR_RxAntenna);
8141 ds->ds_rxstat.rs_flags =
8142 (ads.ds_rxstatus3 & AR_GI) ? ATH9K_RX_GI : 0;
8143 ds->ds_rxstat.rs_flags |=
8144 (ads.ds_rxstatus3 & AR_2040) ? ATH9K_RX_2040 : 0;
8145
8146 if (ads.ds_rxstatus8 & AR_PreDelimCRCErr)
8147 ds->ds_rxstat.rs_flags |= ATH9K_RX_DELIM_CRC_PRE;
8148 if (ads.ds_rxstatus8 & AR_PostDelimCRCErr)
8149 ds->ds_rxstat.rs_flags |= ATH9K_RX_DELIM_CRC_POST;
8150 if (ads.ds_rxstatus8 & AR_DecryptBusyErr)
8151 ds->ds_rxstat.rs_flags |= ATH9K_RX_DECRYPT_BUSY;
8152
8153 if ((ads.ds_rxstatus8 & AR_RxFrameOK) == 0) {
8154
8155 if (ads.ds_rxstatus8 & AR_CRCErr)
8156 ds->ds_rxstat.rs_status |= ATH9K_RXERR_CRC;
8157 else if (ads.ds_rxstatus8 & AR_PHYErr) {
8158 u32 phyerr;
8159
8160 ds->ds_rxstat.rs_status |= ATH9K_RXERR_PHY;
8161 phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode);
8162 ds->ds_rxstat.rs_phyerr = phyerr;
8163 } else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
8164 ds->ds_rxstat.rs_status |= ATH9K_RXERR_DECRYPT;
8165 else if (ads.ds_rxstatus8 & AR_MichaelErr)
8166 ds->ds_rxstat.rs_status |= ATH9K_RXERR_MIC;
8167 }
8168
8169 return 0;
8170}
8171
8172static void ath9k_hw_setup_rate_table(struct ath_hal *ah,
8173 struct ath9k_rate_table *rt)
8174{
8175 int i;
8176
8177 if (rt->rateCodeToIndex[0] != 0)
8178 return;
8179 for (i = 0; i < 256; i++)
8180 rt->rateCodeToIndex[i] = (u8) -1;
8181 for (i = 0; i < rt->rateCount; i++) {
8182 u8 code = rt->info[i].rateCode;
8183 u8 cix = rt->info[i].controlRate;
8184
8185 rt->rateCodeToIndex[code] = i;
8186 rt->rateCodeToIndex[code | rt->info[i].shortPreamble] = i;
8187
8188 rt->info[i].lpAckDuration =
8189 ath9k_hw_computetxtime(ah, rt,
8190 WLAN_CTRL_FRAME_SIZE,
8191 cix,
8192 false);
8193 rt->info[i].spAckDuration =
8194 ath9k_hw_computetxtime(ah, rt,
8195 WLAN_CTRL_FRAME_SIZE,
8196 cix,
8197 true);
8198 }
8199}
8200
8201const struct ath9k_rate_table *ath9k_hw_getratetable(struct ath_hal *ah,
8202 u32 mode)
8203{
8204 struct ath9k_rate_table *rt;
8205 switch (mode) {
Sujith86b89ee2008-08-07 10:54:57 +05308206 case ATH9K_MODE_11A:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07008207 rt = &ar5416_11a_table;
8208 break;
Sujith86b89ee2008-08-07 10:54:57 +05308209 case ATH9K_MODE_11B:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07008210 rt = &ar5416_11b_table;
8211 break;
Sujith86b89ee2008-08-07 10:54:57 +05308212 case ATH9K_MODE_11G:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07008213 rt = &ar5416_11g_table;
8214 break;
Sujith86b89ee2008-08-07 10:54:57 +05308215 case ATH9K_MODE_11NG_HT20:
8216 case ATH9K_MODE_11NG_HT40PLUS:
8217 case ATH9K_MODE_11NG_HT40MINUS:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07008218 rt = &ar5416_11ng_table;
8219 break;
Sujith86b89ee2008-08-07 10:54:57 +05308220 case ATH9K_MODE_11NA_HT20:
8221 case ATH9K_MODE_11NA_HT40PLUS:
8222 case ATH9K_MODE_11NA_HT40MINUS:
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07008223 rt = &ar5416_11na_table;
8224 break;
8225 default:
8226 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL, "%s: invalid mode 0x%x\n",
8227 __func__, mode);
8228 return NULL;
8229 }
8230 ath9k_hw_setup_rate_table(ah, rt);
8231 return rt;
8232}
8233
8234static const char *ath9k_hw_devname(u16 devid)
8235{
8236 switch (devid) {
8237 case AR5416_DEVID_PCI:
8238 case AR5416_DEVID_PCIE:
8239 return "Atheros 5416";
8240 case AR9160_DEVID_PCI:
8241 return "Atheros 9160";
8242 case AR9280_DEVID_PCI:
8243 case AR9280_DEVID_PCIE:
8244 return "Atheros 9280";
8245 }
8246 return NULL;
8247}
8248
8249const char *ath9k_hw_probe(u16 vendorid, u16 devid)
8250{
8251 return vendorid == ATHEROS_VENDOR_ID ?
8252 ath9k_hw_devname(devid) : NULL;
8253}
8254
8255struct ath_hal *ath9k_hw_attach(u16 devid,
8256 struct ath_softc *sc,
8257 void __iomem *mem,
8258 int *error)
8259{
8260 struct ath_hal *ah = NULL;
8261
8262 switch (devid) {
8263 case AR5416_DEVID_PCI:
8264 case AR5416_DEVID_PCIE:
8265 case AR9160_DEVID_PCI:
8266 case AR9280_DEVID_PCI:
8267 case AR9280_DEVID_PCIE:
8268 ah = ath9k_hw_do_attach(devid, sc, mem, error);
8269 break;
8270 default:
8271 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
8272 "devid=0x%x not supported.\n", devid);
8273 ah = NULL;
8274 *error = -ENXIO;
8275 break;
8276 }
Sujithdc2222a2008-08-14 13:26:55 +05308277
Luis R. Rodriguezf078f202008-08-04 00:16:41 -07008278 return ah;
8279}
8280
8281u16
8282ath9k_hw_computetxtime(struct ath_hal *ah,
8283 const struct ath9k_rate_table *rates,
8284 u32 frameLen, u16 rateix,
8285 bool shortPreamble)
8286{
8287 u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
8288 u32 kbps;
8289
8290 kbps = rates->info[rateix].rateKbps;
8291
8292 if (kbps == 0)
8293 return 0;
8294 switch (rates->info[rateix].phy) {
8295
8296 case PHY_CCK:
8297 phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
8298 if (shortPreamble && rates->info[rateix].shortPreamble)
8299 phyTime >>= 1;
8300 numBits = frameLen << 3;
8301 txTime = CCK_SIFS_TIME + phyTime
8302 + ((numBits * 1000) / kbps);
8303 break;
8304 case PHY_OFDM:
8305 if (ah->ah_curchan && IS_CHAN_QUARTER_RATE(ah->ah_curchan)) {
8306 bitsPerSymbol =
8307 (kbps * OFDM_SYMBOL_TIME_QUARTER) / 1000;
8308
8309 numBits = OFDM_PLCP_BITS + (frameLen << 3);
8310 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
8311 txTime = OFDM_SIFS_TIME_QUARTER
8312 + OFDM_PREAMBLE_TIME_QUARTER
8313 + (numSymbols * OFDM_SYMBOL_TIME_QUARTER);
8314 } else if (ah->ah_curchan &&
8315 IS_CHAN_HALF_RATE(ah->ah_curchan)) {
8316 bitsPerSymbol =
8317 (kbps * OFDM_SYMBOL_TIME_HALF) / 1000;
8318
8319 numBits = OFDM_PLCP_BITS + (frameLen << 3);
8320 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
8321 txTime = OFDM_SIFS_TIME_HALF +
8322 OFDM_PREAMBLE_TIME_HALF
8323 + (numSymbols * OFDM_SYMBOL_TIME_HALF);
8324 } else {
8325 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000;
8326
8327 numBits = OFDM_PLCP_BITS + (frameLen << 3);
8328 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
8329 txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME
8330 + (numSymbols * OFDM_SYMBOL_TIME);
8331 }
8332 break;
8333
8334 default:
8335 DPRINTF(ah->ah_sc, ATH_DBG_PHY_IO,
8336 "%s: unknown phy %u (rate ix %u)\n", __func__,
8337 rates->info[rateix].phy, rateix);
8338 txTime = 0;
8339 break;
8340 }
8341 return txTime;
8342}
8343
8344u32 ath9k_hw_mhz2ieee(struct ath_hal *ah, u32 freq, u32 flags)
8345{
8346 if (flags & CHANNEL_2GHZ) {
8347 if (freq == 2484)
8348 return 14;
8349 if (freq < 2484)
8350 return (freq - 2407) / 5;
8351 else
8352 return 15 + ((freq - 2512) / 20);
8353 } else if (flags & CHANNEL_5GHZ) {
8354 if (ath9k_regd_is_public_safety_sku(ah) &&
8355 IS_CHAN_IN_PUBLIC_SAFETY_BAND(freq)) {
8356 return ((freq * 10) +
8357 (((freq % 5) == 2) ? 5 : 0) - 49400) / 5;
8358 } else if ((flags & CHANNEL_A) && (freq <= 5000)) {
8359 return (freq - 4000) / 5;
8360 } else {
8361 return (freq - 5000) / 5;
8362 }
8363 } else {
8364 if (freq == 2484)
8365 return 14;
8366 if (freq < 2484)
8367 return (freq - 2407) / 5;
8368 if (freq < 5000) {
8369 if (ath9k_regd_is_public_safety_sku(ah)
8370 && IS_CHAN_IN_PUBLIC_SAFETY_BAND(freq)) {
8371 return ((freq * 10) +
8372 (((freq % 5) ==
8373 2) ? 5 : 0) - 49400) / 5;
8374 } else if (freq > 4900) {
8375 return (freq - 4000) / 5;
8376 } else {
8377 return 15 + ((freq - 2512) / 20);
8378 }
8379 }
8380 return (freq - 5000) / 5;
8381 }
8382}
8383
8384int16_t
8385ath9k_hw_getchan_noise(struct ath_hal *ah, struct ath9k_channel *chan)
8386{
8387 struct ath9k_channel *ichan;
8388
8389 ichan = ath9k_regd_check_channel(ah, chan);
8390 if (ichan == NULL) {
8391 DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
8392 "%s: invalid channel %u/0x%x; no mapping\n",
8393 __func__, chan->channel, chan->channelFlags);
8394 return 0;
8395 }
8396 if (ichan->rawNoiseFloor == 0) {
8397 enum wireless_mode mode = ath9k_hw_chan2wmode(ah, chan);
8398 return NOISE_FLOOR[mode];
8399 } else
8400 return ichan->rawNoiseFloor;
8401}
8402
8403bool ath9k_hw_set_tsfadjust(struct ath_hal *ah, u32 setting)
8404{
8405 struct ath_hal_5416 *ahp = AH5416(ah);
8406
8407 if (setting)
8408 ahp->ah_miscMode |= AR_PCU_TX_ADD_TSF;
8409 else
8410 ahp->ah_miscMode &= ~AR_PCU_TX_ADD_TSF;
8411 return true;
8412}
8413
8414bool ath9k_hw_phycounters(struct ath_hal *ah)
8415{
8416 struct ath_hal_5416 *ahp = AH5416(ah);
8417
8418 return ahp->ah_hasHwPhyCounters ? true : false;
8419}
8420
8421u32 ath9k_hw_gettxbuf(struct ath_hal *ah, u32 q)
8422{
8423 return REG_READ(ah, AR_QTXDP(q));
8424}
8425
8426bool ath9k_hw_puttxbuf(struct ath_hal *ah, u32 q,
8427 u32 txdp)
8428{
8429 REG_WRITE(ah, AR_QTXDP(q), txdp);
8430
8431 return true;
8432}
8433
8434bool ath9k_hw_txstart(struct ath_hal *ah, u32 q)
8435{
8436 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: queue %u\n", __func__, q);
8437
8438 REG_WRITE(ah, AR_Q_TXE, 1 << q);
8439
8440 return true;
8441}
8442
8443u32 ath9k_hw_numtxpending(struct ath_hal *ah, u32 q)
8444{
8445 u32 npend;
8446
8447 npend = REG_READ(ah, AR_QSTS(q)) & AR_Q_STS_PEND_FR_CNT;
8448 if (npend == 0) {
8449
8450 if (REG_READ(ah, AR_Q_TXE) & (1 << q))
8451 npend = 1;
8452 }
8453 return npend;
8454}
8455
8456bool ath9k_hw_stoptxdma(struct ath_hal *ah, u32 q)
8457{
8458 u32 wait;
8459
8460 REG_WRITE(ah, AR_Q_TXD, 1 << q);
8461
8462 for (wait = 1000; wait != 0; wait--) {
8463 if (ath9k_hw_numtxpending(ah, q) == 0)
8464 break;
8465 udelay(100);
8466 }
8467
8468 if (ath9k_hw_numtxpending(ah, q)) {
8469 u32 tsfLow, j;
8470
8471 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
8472 "%s: Num of pending TX Frames %d on Q %d\n",
8473 __func__, ath9k_hw_numtxpending(ah, q), q);
8474
8475 for (j = 0; j < 2; j++) {
8476 tsfLow = REG_READ(ah, AR_TSF_L32);
8477 REG_WRITE(ah, AR_QUIET2,
8478 SM(10, AR_QUIET2_QUIET_DUR));
8479 REG_WRITE(ah, AR_QUIET_PERIOD, 100);
8480 REG_WRITE(ah, AR_NEXT_QUIET_TIMER, tsfLow >> 10);
8481 REG_SET_BIT(ah, AR_TIMER_MODE,
8482 AR_QUIET_TIMER_EN);
8483
8484 if ((REG_READ(ah, AR_TSF_L32) >> 10) ==
8485 (tsfLow >> 10)) {
8486 break;
8487 }
8488 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
8489 "%s: TSF have moved while trying to set "
8490 "quiet time TSF: 0x%08x\n",
8491 __func__, tsfLow);
8492 }
8493
8494 REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
8495
8496 udelay(200);
8497 REG_CLR_BIT(ah, AR_TIMER_MODE, AR_QUIET_TIMER_EN);
8498
8499 wait = 1000;
8500
8501 while (ath9k_hw_numtxpending(ah, q)) {
8502 if ((--wait) == 0) {
8503 DPRINTF(ah->ah_sc, ATH_DBG_XMIT,
8504 "%s: Failed to stop Tx DMA in 100 "
8505 "msec after killing last frame\n",
8506 __func__);
8507 break;
8508 }
8509 udelay(100);
8510 }
8511
8512 REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
8513 }
8514
8515 REG_WRITE(ah, AR_Q_TXD, 0);
8516 return wait != 0;
8517}