?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
proc: use seq_puts()/seq_putc() where possible
[linux-2.6/next.git] / drivers / net / wireless / ath / ath9k / ar9002_hw.c
blobf8a7771faee287d4bd260e9b3064d2f4ddda6e4d
1 /*
2 * Copyright (c) 2008-2010 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include "hw.h"
18 #include "ar5008_initvals.h"
19 #include "ar9001_initvals.h"
20 #include "ar9002_initvals.h"
21 #include "ar9002_phy.h"
22
23 int modparam_force_new_ani;
24 module_param_named(force_new_ani, modparam_force_new_ani, int, 0444);
25 MODULE_PARM_DESC(force_new_ani, "Force new ANI for AR5008, AR9001, AR9002");
26
27 /* General hardware code for the A5008/AR9001/AR9002 hadware families */
28
29 static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
30 {
31 if (AR_SREV_9271(ah)) {
32 INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271,
33 ARRAY_SIZE(ar9271Modes_9271), 6);
34 INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271,
35 ARRAY_SIZE(ar9271Common_9271), 2);
36 INIT_INI_ARRAY(&ah->iniCommon_normal_cck_fir_coeff_9271,
37 ar9271Common_normal_cck_fir_coeff_9271,
38 ARRAY_SIZE(ar9271Common_normal_cck_fir_coeff_9271), 2);
39 INIT_INI_ARRAY(&ah->iniCommon_japan_2484_cck_fir_coeff_9271,
40 ar9271Common_japan_2484_cck_fir_coeff_9271,
41 ARRAY_SIZE(ar9271Common_japan_2484_cck_fir_coeff_9271), 2);
42 INIT_INI_ARRAY(&ah->iniModes_9271_1_0_only,
43 ar9271Modes_9271_1_0_only,
44 ARRAY_SIZE(ar9271Modes_9271_1_0_only), 6);
45 INIT_INI_ARRAY(&ah->iniModes_9271_ANI_reg, ar9271Modes_9271_ANI_reg,
46 ARRAY_SIZE(ar9271Modes_9271_ANI_reg), 6);
47 INIT_INI_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
48 ar9271Modes_high_power_tx_gain_9271,
49 ARRAY_SIZE(ar9271Modes_high_power_tx_gain_9271), 6);
50 INIT_INI_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
51 ar9271Modes_normal_power_tx_gain_9271,
52 ARRAY_SIZE(ar9271Modes_normal_power_tx_gain_9271), 6);
53 return;
54 }
55
56 if (AR_SREV_9287_11_OR_LATER(ah)) {
57 INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1,
58 ARRAY_SIZE(ar9287Modes_9287_1_1), 6);
59 INIT_INI_ARRAY(&ah->iniCommon, ar9287Common_9287_1_1,
60 ARRAY_SIZE(ar9287Common_9287_1_1), 2);
61 if (ah->config.pcie_clock_req)
62 INIT_INI_ARRAY(&ah->iniPcieSerdes,
63 ar9287PciePhy_clkreq_off_L1_9287_1_1,
64 ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_1), 2);
65 else
66 INIT_INI_ARRAY(&ah->iniPcieSerdes,
67 ar9287PciePhy_clkreq_always_on_L1_9287_1_1,
68 ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_1),
69 2);
70 } else if (AR_SREV_9285_12_OR_LATER(ah)) {
71
72
73 INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285_1_2,
74 ARRAY_SIZE(ar9285Modes_9285_1_2), 6);
75 INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285_1_2,
76 ARRAY_SIZE(ar9285Common_9285_1_2), 2);
77
78 if (ah->config.pcie_clock_req) {
79 INIT_INI_ARRAY(&ah->iniPcieSerdes,
80 ar9285PciePhy_clkreq_off_L1_9285_1_2,
81 ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285_1_2), 2);
82 } else {
83 INIT_INI_ARRAY(&ah->iniPcieSerdes,
84 ar9285PciePhy_clkreq_always_on_L1_9285_1_2,
85 ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285_1_2),
86 2);
87 }
88 } else if (AR_SREV_9280_20_OR_LATER(ah)) {
89 INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280_2,
90 ARRAY_SIZE(ar9280Modes_9280_2), 6);
91 INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280_2,
92 ARRAY_SIZE(ar9280Common_9280_2), 2);
93
94 if (ah->config.pcie_clock_req) {
95 INIT_INI_ARRAY(&ah->iniPcieSerdes,
96 ar9280PciePhy_clkreq_off_L1_9280,
97 ARRAY_SIZE(ar9280PciePhy_clkreq_off_L1_9280), 2);
98 } else {
99 INIT_INI_ARRAY(&ah->iniPcieSerdes,
100 ar9280PciePhy_clkreq_always_on_L1_9280,
101 ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);
102 }
103 INIT_INI_ARRAY(&ah->iniModesAdditional,
104 ar9280Modes_fast_clock_9280_2,
105 ARRAY_SIZE(ar9280Modes_fast_clock_9280_2), 3);
106 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
107 INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9160,
108 ARRAY_SIZE(ar5416Modes_9160), 6);
109 INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9160,
110 ARRAY_SIZE(ar5416Common_9160), 2);
111 INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9160,
112 ARRAY_SIZE(ar5416Bank0_9160), 2);
113 INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9160,
114 ARRAY_SIZE(ar5416BB_RfGain_9160), 3);
115 INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9160,
116 ARRAY_SIZE(ar5416Bank1_9160), 2);
117 INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9160,
118 ARRAY_SIZE(ar5416Bank2_9160), 2);
119 INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9160,
120 ARRAY_SIZE(ar5416Bank3_9160), 3);
121 INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9160,
122 ARRAY_SIZE(ar5416Bank6_9160), 3);
123 INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9160,
124 ARRAY_SIZE(ar5416Bank6TPC_9160), 3);
125 INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9160,
126 ARRAY_SIZE(ar5416Bank7_9160), 2);
127 if (AR_SREV_9160_11(ah)) {
128 INIT_INI_ARRAY(&ah->iniAddac,
129 ar5416Addac_9160_1_1,
130 ARRAY_SIZE(ar5416Addac_9160_1_1), 2);
131 } else {
132 INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9160,
133 ARRAY_SIZE(ar5416Addac_9160), 2);
134 }
135 } else if (AR_SREV_9100_OR_LATER(ah)) {
136 INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9100,
137 ARRAY_SIZE(ar5416Modes_9100), 6);
138 INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9100,
139 ARRAY_SIZE(ar5416Common_9100), 2);
140 INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9100,
141 ARRAY_SIZE(ar5416Bank0_9100), 2);
142 INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9100,
143 ARRAY_SIZE(ar5416BB_RfGain_9100), 3);
144 INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9100,
145 ARRAY_SIZE(ar5416Bank1_9100), 2);
146 INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9100,
147 ARRAY_SIZE(ar5416Bank2_9100), 2);
148 INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9100,
149 ARRAY_SIZE(ar5416Bank3_9100), 3);
150 INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9100,
151 ARRAY_SIZE(ar5416Bank6_9100), 3);
152 INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9100,
153 ARRAY_SIZE(ar5416Bank6TPC_9100), 3);
154 INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9100,
155 ARRAY_SIZE(ar5416Bank7_9100), 2);
156 INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9100,
157 ARRAY_SIZE(ar5416Addac_9100), 2);
158 } else {
159 INIT_INI_ARRAY(&ah->iniModes, ar5416Modes,
160 ARRAY_SIZE(ar5416Modes), 6);
161 INIT_INI_ARRAY(&ah->iniCommon, ar5416Common,
162 ARRAY_SIZE(ar5416Common), 2);
163 INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0,
164 ARRAY_SIZE(ar5416Bank0), 2);
165 INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain,
166 ARRAY_SIZE(ar5416BB_RfGain), 3);
167 INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1,
168 ARRAY_SIZE(ar5416Bank1), 2);
169 INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2,
170 ARRAY_SIZE(ar5416Bank2), 2);
171 INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3,
172 ARRAY_SIZE(ar5416Bank3), 3);
173 INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6,
174 ARRAY_SIZE(ar5416Bank6), 3);
175 INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC,
176 ARRAY_SIZE(ar5416Bank6TPC), 3);
177 INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7,
178 ARRAY_SIZE(ar5416Bank7), 2);
179 INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
180 ARRAY_SIZE(ar5416Addac), 2);
181 }
182 }
183
184 /* Support for Japan ch.14 (2484) spread */
185 void ar9002_hw_cck_chan14_spread(struct ath_hw *ah)
186 {
187 if (AR_SREV_9287_11_OR_LATER(ah)) {
188 INIT_INI_ARRAY(&ah->iniCckfirNormal,
189 ar9287Common_normal_cck_fir_coeff_9287_1_1,
190 ARRAY_SIZE(ar9287Common_normal_cck_fir_coeff_9287_1_1),
191 2);
192 INIT_INI_ARRAY(&ah->iniCckfirJapan2484,
193 ar9287Common_japan_2484_cck_fir_coeff_9287_1_1,
194 ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_9287_1_1),
195 2);
196 }
197 }
198
199 static void ar9280_20_hw_init_rxgain_ini(struct ath_hw *ah)
200 {
201 u32 rxgain_type;
202
203 if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
204 AR5416_EEP_MINOR_VER_17) {
205 rxgain_type = ah->eep_ops->get_eeprom(ah, EEP_RXGAIN_TYPE);
206
207 if (rxgain_type == AR5416_EEP_RXGAIN_13DB_BACKOFF)
208 INIT_INI_ARRAY(&ah->iniModesRxGain,
209 ar9280Modes_backoff_13db_rxgain_9280_2,
210 ARRAY_SIZE(ar9280Modes_backoff_13db_rxgain_9280_2), 6);
211 else if (rxgain_type == AR5416_EEP_RXGAIN_23DB_BACKOFF)
212 INIT_INI_ARRAY(&ah->iniModesRxGain,
213 ar9280Modes_backoff_23db_rxgain_9280_2,
214 ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2), 6);
215 else
216 INIT_INI_ARRAY(&ah->iniModesRxGain,
217 ar9280Modes_original_rxgain_9280_2,
218 ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
219 } else {
220 INIT_INI_ARRAY(&ah->iniModesRxGain,
221 ar9280Modes_original_rxgain_9280_2,
222 ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
223 }
224 }
225
226 static void ar9280_20_hw_init_txgain_ini(struct ath_hw *ah)
227 {
228 u32 txgain_type;
229
230 if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
231 AR5416_EEP_MINOR_VER_19) {
232 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
233
234 if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
235 INIT_INI_ARRAY(&ah->iniModesTxGain,
236 ar9280Modes_high_power_tx_gain_9280_2,
237 ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2), 6);
238 else
239 INIT_INI_ARRAY(&ah->iniModesTxGain,
240 ar9280Modes_original_tx_gain_9280_2,
241 ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
242 } else {
243 INIT_INI_ARRAY(&ah->iniModesTxGain,
244 ar9280Modes_original_tx_gain_9280_2,
245 ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
246 }
247 }
248
249 static void ar9002_hw_init_mode_gain_regs(struct ath_hw *ah)
250 {
251 if (AR_SREV_9287_11_OR_LATER(ah))
252 INIT_INI_ARRAY(&ah->iniModesRxGain,
253 ar9287Modes_rx_gain_9287_1_1,
254 ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_1), 6);
255 else if (AR_SREV_9280_20(ah))
256 ar9280_20_hw_init_rxgain_ini(ah);
257
258 if (AR_SREV_9287_11_OR_LATER(ah)) {
259 INIT_INI_ARRAY(&ah->iniModesTxGain,
260 ar9287Modes_tx_gain_9287_1_1,
261 ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_1), 6);
262 } else if (AR_SREV_9280_20(ah)) {
263 ar9280_20_hw_init_txgain_ini(ah);
264 } else if (AR_SREV_9285_12_OR_LATER(ah)) {
265 u32 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
266
267 /* txgain table */
268 if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER) {
269 if (AR_SREV_9285E_20(ah)) {
270 INIT_INI_ARRAY(&ah->iniModesTxGain,
271 ar9285Modes_XE2_0_high_power,
272 ARRAY_SIZE(
273 ar9285Modes_XE2_0_high_power), 6);
274 } else {
275 INIT_INI_ARRAY(&ah->iniModesTxGain,
276 ar9285Modes_high_power_tx_gain_9285_1_2,
277 ARRAY_SIZE(
278 ar9285Modes_high_power_tx_gain_9285_1_2), 6);
279 }
280 } else {
281 if (AR_SREV_9285E_20(ah)) {
282 INIT_INI_ARRAY(&ah->iniModesTxGain,
283 ar9285Modes_XE2_0_normal_power,
284 ARRAY_SIZE(
285 ar9285Modes_XE2_0_normal_power), 6);
286 } else {
287 INIT_INI_ARRAY(&ah->iniModesTxGain,
288 ar9285Modes_original_tx_gain_9285_1_2,
289 ARRAY_SIZE(
290 ar9285Modes_original_tx_gain_9285_1_2), 6);
291 }
292 }
293 }
294 }
295
296 /*
297 * Helper for ASPM support.
298 *
299 * Disable PLL when in L0s as well as receiver clock when in L1.
300 * This power saving option must be enabled through the SerDes.
301 *
302 * Programming the SerDes must go through the same 288 bit serial shift
303 * register as the other analog registers. Hence the 9 writes.
304 */
305 static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
306 int restore,
307 int power_off)
308 {
309 u8 i;
310 u32 val;
311
312 if (ah->is_pciexpress != true)
313 return;
314
315 /* Do not touch SerDes registers */
316 if (ah->config.pcie_powersave_enable == 2)
317 return;
318
319 /* Nothing to do on restore for 11N */
320 if (!restore) {
321 if (AR_SREV_9280_20_OR_LATER(ah)) {
322 /*
323 * AR9280 2.0 or later chips use SerDes values from the
324 * initvals.h initialized depending on chipset during
325 * __ath9k_hw_init()
326 */
327 for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
328 REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
329 INI_RA(&ah->iniPcieSerdes, i, 1));
330 }
331 } else {
332 ENABLE_REGWRITE_BUFFER(ah);
333
334 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
335 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
336
337 /* RX shut off when elecidle is asserted */
338 REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
339 REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
340 REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
341
342 /*
343 * Ignore ah->ah_config.pcie_clock_req setting for
344 * pre-AR9280 11n
345 */
346 REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
347
348 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
349 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
350 REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
351
352 /* Load the new settings */
353 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
354
355 REGWRITE_BUFFER_FLUSH(ah);
356 }
357
358 udelay(1000);
359 }
360
361 if (power_off) {
362 /* clear bit 19 to disable L1 */
363 REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
364
365 val = REG_READ(ah, AR_WA);
366
367 /*
368 * Set PCIe workaround bits
369 * In AR9280 and AR9285, bit 14 in WA register (disable L1)
370 * should only be set when device enters D3 and be
371 * cleared when device comes back to D0.
372 */
373 if (ah->config.pcie_waen) {
374 if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
375 val |= AR_WA_D3_L1_DISABLE;
376 } else {
377 if (((AR_SREV_9285(ah) ||
378 AR_SREV_9271(ah) ||
379 AR_SREV_9287(ah)) &&
380 (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)) ||
381 (AR_SREV_9280(ah) &&
382 (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE))) {
383 val |= AR_WA_D3_L1_DISABLE;
384 }
385 }
386
387 if (AR_SREV_9280(ah) || AR_SREV_9285(ah) || AR_SREV_9287(ah)) {
388 /*
389 * Disable bit 6 and 7 before entering D3 to
390 * prevent system hang.
391 */
392 val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
393 }
394
395 if (AR_SREV_9280(ah))
396 val |= AR_WA_BIT22;
397
398 if (AR_SREV_9285E_20(ah))
399 val |= AR_WA_BIT23;
400
401 REG_WRITE(ah, AR_WA, val);
402 } else {
403 if (ah->config.pcie_waen) {
404 val = ah->config.pcie_waen;
405 if (!power_off)
406 val &= (~AR_WA_D3_L1_DISABLE);
407 } else {
408 if (AR_SREV_9285(ah) ||
409 AR_SREV_9271(ah) ||
410 AR_SREV_9287(ah)) {
411 val = AR9285_WA_DEFAULT;
412 if (!power_off)
413 val &= (~AR_WA_D3_L1_DISABLE);
414 }
415 else if (AR_SREV_9280(ah)) {
416 /*
417 * For AR9280 chips, bit 22 of 0x4004
418 * needs to be set.
419 */
420 val = AR9280_WA_DEFAULT;
421 if (!power_off)
422 val &= (~AR_WA_D3_L1_DISABLE);
423 } else {
424 val = AR_WA_DEFAULT;
425 }
426 }
427
428 /* WAR for ASPM system hang */
429 if (AR_SREV_9280(ah) || AR_SREV_9285(ah) || AR_SREV_9287(ah)) {
430 val |= (AR_WA_BIT6 | AR_WA_BIT7);
431 }
432
433 if (AR_SREV_9285E_20(ah))
434 val |= AR_WA_BIT23;
435
436 REG_WRITE(ah, AR_WA, val);
437
438 /* set bit 19 to allow forcing of pcie core into L1 state */
439 REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
440 }
441 }
442
443 static int ar9002_hw_get_radiorev(struct ath_hw *ah)
444 {
445 u32 val;
446 int i;
447
448 ENABLE_REGWRITE_BUFFER(ah);
449
450 REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
451 for (i = 0; i < 8; i++)
452 REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
453
454 REGWRITE_BUFFER_FLUSH(ah);
455
456 val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
457 val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
458
459 return ath9k_hw_reverse_bits(val, 8);
460 }
461
462 int ar9002_hw_rf_claim(struct ath_hw *ah)
463 {
464 u32 val;
465
466 REG_WRITE(ah, AR_PHY(0), 0x00000007);
467
468 val = ar9002_hw_get_radiorev(ah);
469 switch (val & AR_RADIO_SREV_MAJOR) {
470 case 0:
471 val = AR_RAD5133_SREV_MAJOR;
472 break;
473 case AR_RAD5133_SREV_MAJOR:
474 case AR_RAD5122_SREV_MAJOR:
475 case AR_RAD2133_SREV_MAJOR:
476 case AR_RAD2122_SREV_MAJOR:
477 break;
478 default:
479 ath_err(ath9k_hw_common(ah),
480 "Radio Chip Rev 0x%02X not supported\n",
481 val & AR_RADIO_SREV_MAJOR);
482 return -EOPNOTSUPP;
483 }
484
485 ah->hw_version.analog5GhzRev = val;
486
487 return 0;
488 }
489
490 void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
491 {
492 if (AR_SREV_9287_13_OR_LATER(ah)) {
493 REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
494 AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL);
495 REG_SET_BIT(ah, AR_PHY_MODE, AR_PHY_MODE_ASYNCFIFO);
496 REG_CLR_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
497 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
498 REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
499 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
500 }
501 }
502
503 /*
504 * If Async FIFO is enabled, the following counters change as MAC now runs
505 * at 117 Mhz instead of 88/44MHz when async FIFO is disabled.
506 *
507 * The values below tested for ht40 2 chain.
508 * Overwrite the delay/timeouts initialized in process ini.
509 */
510 void ar9002_hw_update_async_fifo(struct ath_hw *ah)
511 {
512 if (AR_SREV_9287_13_OR_LATER(ah)) {
513 REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
514 AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR);
515 REG_WRITE(ah, AR_D_GBL_IFS_SLOT,
516 AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR);
517 REG_WRITE(ah, AR_D_GBL_IFS_EIFS,
518 AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR);
519
520 REG_WRITE(ah, AR_TIME_OUT, AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR);
521 REG_WRITE(ah, AR_USEC, AR_USEC_ASYNC_FIFO_DUR);
522
523 REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER,
524 AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768);
525 REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN,
526 AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL);
527 }
528 }
529
530 /*
531 * We don't enable WEP aggregation on mac80211 but we keep this
532 * around for HAL unification purposes.
533 */
534 void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah)
535 {
536 if (AR_SREV_9287_13_OR_LATER(ah)) {
537 REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
538 AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
539 }
540 }
541
542 /* Sets up the AR5008/AR9001/AR9002 hardware familiy callbacks */
543 void ar9002_hw_attach_ops(struct ath_hw *ah)
544 {
545 struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
546 struct ath_hw_ops *ops = ath9k_hw_ops(ah);
547
548 priv_ops->init_mode_regs = ar9002_hw_init_mode_regs;
549 priv_ops->init_mode_gain_regs = ar9002_hw_init_mode_gain_regs;
550
551 ops->config_pci_powersave = ar9002_hw_configpcipowersave;
552
553 ar5008_hw_attach_phy_ops(ah);
554 if (AR_SREV_9280_20_OR_LATER(ah))
555 ar9002_hw_attach_phy_ops(ah);
556
557 ar9002_hw_attach_calib_ops(ah);
558 ar9002_hw_attach_mac_ops(ah);
559 }
560
561 void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan)
562 {
563 u32 modesIndex;
564 int i;
565
566 switch (chan->chanmode) {
567 case CHANNEL_A:
568 case CHANNEL_A_HT20:
569 modesIndex = 1;
570 break;
571 case CHANNEL_A_HT40PLUS:
572 case CHANNEL_A_HT40MINUS:
573 modesIndex = 2;
574 break;
575 case CHANNEL_G:
576 case CHANNEL_G_HT20:
577 case CHANNEL_B:
578 modesIndex = 4;
579 break;
580 case CHANNEL_G_HT40PLUS:
581 case CHANNEL_G_HT40MINUS:
582 modesIndex = 3;
583 break;
584
585 default:
586 return;
587 }
588
589 ENABLE_REGWRITE_BUFFER(ah);
590
591 for (i = 0; i < ah->iniModes_9271_ANI_reg.ia_rows; i++) {
592 u32 reg = INI_RA(&ah->iniModes_9271_ANI_reg, i, 0);
593 u32 val = INI_RA(&ah->iniModes_9271_ANI_reg, i, modesIndex);
594 u32 val_orig;
595
596 if (reg == AR_PHY_CCK_DETECT) {
597 val_orig = REG_READ(ah, reg);
598 val &= AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK;
599 val_orig &= ~AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK;
600
601 REG_WRITE(ah, reg, val|val_orig);
602 } else
603 REG_WRITE(ah, reg, val);
604 }
605
606 REGWRITE_BUFFER_FLUSH(ah);
607 }
linux-next