Commit | Line | Data |
---|---|---|
f078f209 | 1 | /* |
5b68138e | 2 | * Copyright (c) 2008-2011 Atheros Communications Inc. |
f078f209 LR |
3 | * |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #include <linux/io.h> | |
5a0e3ad6 | 18 | #include <linux/slab.h> |
9d9779e7 | 19 | #include <linux/module.h> |
09d8e315 | 20 | #include <linux/time.h> |
c67ce339 | 21 | #include <linux/bitops.h> |
5ca06ebe | 22 | #include <linux/etherdevice.h> |
61b559de | 23 | #include <linux/gpio.h> |
f078f209 LR |
24 | #include <asm/unaligned.h> |
25 | ||
af03abec | 26 | #include "hw.h" |
d70357d5 | 27 | #include "hw-ops.h" |
b622a720 | 28 | #include "ar9003_mac.h" |
f4701b5a | 29 | #include "ar9003_mci.h" |
362cd03f | 30 | #include "ar9003_phy.h" |
462e58f2 | 31 | #include "ath9k.h" |
f078f209 | 32 | |
cbe61d8a | 33 | static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type); |
f078f209 | 34 | |
7322fd19 LR |
35 | MODULE_AUTHOR("Atheros Communications"); |
36 | MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards."); | |
37 | MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards"); | |
38 | MODULE_LICENSE("Dual BSD/GPL"); | |
39 | ||
dfdac8ac | 40 | static void ath9k_hw_set_clockrate(struct ath_hw *ah) |
f1dc5600 | 41 | { |
dfdac8ac | 42 | struct ath_common *common = ath9k_hw_common(ah); |
e4744ec7 | 43 | struct ath9k_channel *chan = ah->curchan; |
dfdac8ac | 44 | unsigned int clockrate; |
cbe61d8a | 45 | |
087b6ff6 FF |
46 | /* AR9287 v1.3+ uses async FIFO and runs the MAC at 117 MHz */ |
47 | if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) | |
48 | clockrate = 117; | |
e4744ec7 | 49 | else if (!chan) /* should really check for CCK instead */ |
dfdac8ac | 50 | clockrate = ATH9K_CLOCK_RATE_CCK; |
e4744ec7 | 51 | else if (IS_CHAN_2GHZ(chan)) |
dfdac8ac FF |
52 | clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM; |
53 | else if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK) | |
54 | clockrate = ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM; | |
e5553724 | 55 | else |
dfdac8ac FF |
56 | clockrate = ATH9K_CLOCK_RATE_5GHZ_OFDM; |
57 | ||
beae416b MN |
58 | if (chan) { |
59 | if (IS_CHAN_HT40(chan)) | |
60 | clockrate *= 2; | |
e4744ec7 | 61 | if (IS_CHAN_HALF_RATE(chan)) |
906c7205 | 62 | clockrate /= 2; |
e4744ec7 | 63 | if (IS_CHAN_QUARTER_RATE(chan)) |
906c7205 FF |
64 | clockrate /= 4; |
65 | } | |
66 | ||
dfdac8ac | 67 | common->clockrate = clockrate; |
f1dc5600 S |
68 | } |
69 | ||
cbe61d8a | 70 | static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs) |
f1dc5600 | 71 | { |
dfdac8ac | 72 | struct ath_common *common = ath9k_hw_common(ah); |
cbe61d8a | 73 | |
dfdac8ac | 74 | return usecs * common->clockrate; |
f1dc5600 | 75 | } |
f078f209 | 76 | |
0caa7b14 | 77 | bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout) |
f078f209 LR |
78 | { |
79 | int i; | |
80 | ||
0caa7b14 S |
81 | BUG_ON(timeout < AH_TIME_QUANTUM); |
82 | ||
83 | for (i = 0; i < (timeout / AH_TIME_QUANTUM); i++) { | |
f078f209 LR |
84 | if ((REG_READ(ah, reg) & mask) == val) |
85 | return true; | |
86 | ||
87 | udelay(AH_TIME_QUANTUM); | |
88 | } | |
04bd4638 | 89 | |
d2182b69 | 90 | ath_dbg(ath9k_hw_common(ah), ANY, |
226afe68 JP |
91 | "timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n", |
92 | timeout, reg, REG_READ(ah, reg), mask, val); | |
f078f209 | 93 | |
f1dc5600 | 94 | return false; |
f078f209 | 95 | } |
7322fd19 | 96 | EXPORT_SYMBOL(ath9k_hw_wait); |
f078f209 | 97 | |
7c5adc8d FF |
98 | void ath9k_hw_synth_delay(struct ath_hw *ah, struct ath9k_channel *chan, |
99 | int hw_delay) | |
100 | { | |
1a5e6326 | 101 | hw_delay /= 10; |
7c5adc8d FF |
102 | |
103 | if (IS_CHAN_HALF_RATE(chan)) | |
104 | hw_delay *= 2; | |
105 | else if (IS_CHAN_QUARTER_RATE(chan)) | |
106 | hw_delay *= 4; | |
107 | ||
108 | udelay(hw_delay + BASE_ACTIVATE_DELAY); | |
109 | } | |
110 | ||
0166b4be | 111 | void ath9k_hw_write_array(struct ath_hw *ah, const struct ar5416IniArray *array, |
a9b6b256 FF |
112 | int column, unsigned int *writecnt) |
113 | { | |
114 | int r; | |
115 | ||
116 | ENABLE_REGWRITE_BUFFER(ah); | |
117 | for (r = 0; r < array->ia_rows; r++) { | |
118 | REG_WRITE(ah, INI_RA(array, r, 0), | |
119 | INI_RA(array, r, column)); | |
120 | DO_DELAY(*writecnt); | |
121 | } | |
122 | REGWRITE_BUFFER_FLUSH(ah); | |
123 | } | |
124 | ||
a57cb45a OR |
125 | void ath9k_hw_read_array(struct ath_hw *ah, u32 array[][2], int size) |
126 | { | |
127 | u32 *tmp_reg_list, *tmp_data; | |
128 | int i; | |
129 | ||
130 | tmp_reg_list = kmalloc(size * sizeof(u32), GFP_KERNEL); | |
131 | if (!tmp_reg_list) { | |
132 | dev_err(ah->dev, "%s: tmp_reg_list: alloc filed\n", __func__); | |
133 | return; | |
134 | } | |
135 | ||
136 | tmp_data = kmalloc(size * sizeof(u32), GFP_KERNEL); | |
137 | if (!tmp_data) { | |
138 | dev_err(ah->dev, "%s tmp_data: alloc filed\n", __func__); | |
139 | goto error_tmp_data; | |
140 | } | |
141 | ||
142 | for (i = 0; i < size; i++) | |
143 | tmp_reg_list[i] = array[i][0]; | |
144 | ||
145 | REG_READ_MULTI(ah, tmp_reg_list, tmp_data, size); | |
146 | ||
147 | for (i = 0; i < size; i++) | |
148 | array[i][1] = tmp_data[i]; | |
149 | ||
150 | kfree(tmp_data); | |
151 | error_tmp_data: | |
152 | kfree(tmp_reg_list); | |
153 | } | |
154 | ||
f078f209 LR |
155 | u32 ath9k_hw_reverse_bits(u32 val, u32 n) |
156 | { | |
157 | u32 retval; | |
158 | int i; | |
159 | ||
160 | for (i = 0, retval = 0; i < n; i++) { | |
161 | retval = (retval << 1) | (val & 1); | |
162 | val >>= 1; | |
163 | } | |
164 | return retval; | |
165 | } | |
166 | ||
cbe61d8a | 167 | u16 ath9k_hw_computetxtime(struct ath_hw *ah, |
545750d3 | 168 | u8 phy, int kbps, |
f1dc5600 S |
169 | u32 frameLen, u16 rateix, |
170 | bool shortPreamble) | |
f078f209 | 171 | { |
f1dc5600 | 172 | u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime; |
f078f209 | 173 | |
f1dc5600 S |
174 | if (kbps == 0) |
175 | return 0; | |
f078f209 | 176 | |
545750d3 | 177 | switch (phy) { |
46d14a58 | 178 | case WLAN_RC_PHY_CCK: |
f1dc5600 | 179 | phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS; |
545750d3 | 180 | if (shortPreamble) |
f1dc5600 S |
181 | phyTime >>= 1; |
182 | numBits = frameLen << 3; | |
183 | txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps); | |
184 | break; | |
46d14a58 | 185 | case WLAN_RC_PHY_OFDM: |
2660b81a | 186 | if (ah->curchan && IS_CHAN_QUARTER_RATE(ah->curchan)) { |
f1dc5600 S |
187 | bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_QUARTER) / 1000; |
188 | numBits = OFDM_PLCP_BITS + (frameLen << 3); | |
189 | numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol); | |
190 | txTime = OFDM_SIFS_TIME_QUARTER | |
191 | + OFDM_PREAMBLE_TIME_QUARTER | |
192 | + (numSymbols * OFDM_SYMBOL_TIME_QUARTER); | |
2660b81a S |
193 | } else if (ah->curchan && |
194 | IS_CHAN_HALF_RATE(ah->curchan)) { | |
f1dc5600 S |
195 | bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_HALF) / 1000; |
196 | numBits = OFDM_PLCP_BITS + (frameLen << 3); | |
197 | numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol); | |
198 | txTime = OFDM_SIFS_TIME_HALF + | |
199 | OFDM_PREAMBLE_TIME_HALF | |
200 | + (numSymbols * OFDM_SYMBOL_TIME_HALF); | |
201 | } else { | |
202 | bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000; | |
203 | numBits = OFDM_PLCP_BITS + (frameLen << 3); | |
204 | numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol); | |
205 | txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME | |
206 | + (numSymbols * OFDM_SYMBOL_TIME); | |
207 | } | |
208 | break; | |
209 | default: | |
3800276a JP |
210 | ath_err(ath9k_hw_common(ah), |
211 | "Unknown phy %u (rate ix %u)\n", phy, rateix); | |
f1dc5600 S |
212 | txTime = 0; |
213 | break; | |
214 | } | |
f078f209 | 215 | |
f1dc5600 S |
216 | return txTime; |
217 | } | |
7322fd19 | 218 | EXPORT_SYMBOL(ath9k_hw_computetxtime); |
f078f209 | 219 | |
cbe61d8a | 220 | void ath9k_hw_get_channel_centers(struct ath_hw *ah, |
f1dc5600 S |
221 | struct ath9k_channel *chan, |
222 | struct chan_centers *centers) | |
f078f209 | 223 | { |
f1dc5600 | 224 | int8_t extoff; |
f078f209 | 225 | |
f1dc5600 S |
226 | if (!IS_CHAN_HT40(chan)) { |
227 | centers->ctl_center = centers->ext_center = | |
228 | centers->synth_center = chan->channel; | |
229 | return; | |
f078f209 | 230 | } |
f078f209 | 231 | |
8896934c | 232 | if (IS_CHAN_HT40PLUS(chan)) { |
f1dc5600 S |
233 | centers->synth_center = |
234 | chan->channel + HT40_CHANNEL_CENTER_SHIFT; | |
235 | extoff = 1; | |
236 | } else { | |
237 | centers->synth_center = | |
238 | chan->channel - HT40_CHANNEL_CENTER_SHIFT; | |
239 | extoff = -1; | |
240 | } | |
f078f209 | 241 | |
f1dc5600 S |
242 | centers->ctl_center = |
243 | centers->synth_center - (extoff * HT40_CHANNEL_CENTER_SHIFT); | |
6420014c | 244 | /* 25 MHz spacing is supported by hw but not on upper layers */ |
f1dc5600 | 245 | centers->ext_center = |
6420014c | 246 | centers->synth_center + (extoff * HT40_CHANNEL_CENTER_SHIFT); |
f078f209 LR |
247 | } |
248 | ||
f1dc5600 S |
249 | /******************/ |
250 | /* Chip Revisions */ | |
251 | /******************/ | |
252 | ||
cbe61d8a | 253 | static void ath9k_hw_read_revisions(struct ath_hw *ah) |
f078f209 | 254 | { |
f1dc5600 | 255 | u32 val; |
f078f209 | 256 | |
09c74f7b FF |
257 | if (ah->get_mac_revision) |
258 | ah->hw_version.macRev = ah->get_mac_revision(); | |
259 | ||
ecb1d385 VT |
260 | switch (ah->hw_version.devid) { |
261 | case AR5416_AR9100_DEVID: | |
262 | ah->hw_version.macVersion = AR_SREV_VERSION_9100; | |
263 | break; | |
3762561a GJ |
264 | case AR9300_DEVID_AR9330: |
265 | ah->hw_version.macVersion = AR_SREV_VERSION_9330; | |
09c74f7b | 266 | if (!ah->get_mac_revision) { |
3762561a GJ |
267 | val = REG_READ(ah, AR_SREV); |
268 | ah->hw_version.macRev = MS(val, AR_SREV_REVISION2); | |
269 | } | |
270 | return; | |
ecb1d385 VT |
271 | case AR9300_DEVID_AR9340: |
272 | ah->hw_version.macVersion = AR_SREV_VERSION_9340; | |
ecb1d385 | 273 | return; |
813831dc GJ |
274 | case AR9300_DEVID_QCA955X: |
275 | ah->hw_version.macVersion = AR_SREV_VERSION_9550; | |
276 | return; | |
e6b1e46e SM |
277 | case AR9300_DEVID_AR953X: |
278 | ah->hw_version.macVersion = AR_SREV_VERSION_9531; | |
279 | return; | |
2131fabb MP |
280 | case AR9300_DEVID_QCA956X: |
281 | ah->hw_version.macVersion = AR_SREV_VERSION_9561; | |
7865598e | 282 | return; |
ecb1d385 VT |
283 | } |
284 | ||
f1dc5600 | 285 | val = REG_READ(ah, AR_SREV) & AR_SREV_ID; |
f078f209 | 286 | |
f1dc5600 S |
287 | if (val == 0xFF) { |
288 | val = REG_READ(ah, AR_SREV); | |
d535a42a S |
289 | ah->hw_version.macVersion = |
290 | (val & AR_SREV_VERSION2) >> AR_SREV_TYPE2_S; | |
291 | ah->hw_version.macRev = MS(val, AR_SREV_REVISION2); | |
76ed94be | 292 | |
77fac465 | 293 | if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) |
76ed94be MSS |
294 | ah->is_pciexpress = true; |
295 | else | |
296 | ah->is_pciexpress = (val & | |
297 | AR_SREV_TYPE2_HOST_MODE) ? 0 : 1; | |
f1dc5600 S |
298 | } else { |
299 | if (!AR_SREV_9100(ah)) | |
d535a42a | 300 | ah->hw_version.macVersion = MS(val, AR_SREV_VERSION); |
f078f209 | 301 | |
d535a42a | 302 | ah->hw_version.macRev = val & AR_SREV_REVISION; |
f078f209 | 303 | |
d535a42a | 304 | if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE) |
2660b81a | 305 | ah->is_pciexpress = true; |
f1dc5600 | 306 | } |
f078f209 LR |
307 | } |
308 | ||
f1dc5600 S |
309 | /************************************/ |
310 | /* HW Attach, Detach, Init Routines */ | |
311 | /************************************/ | |
312 | ||
cbe61d8a | 313 | static void ath9k_hw_disablepcie(struct ath_hw *ah) |
f078f209 | 314 | { |
040b74f7 | 315 | if (!AR_SREV_5416(ah)) |
f1dc5600 | 316 | return; |
f078f209 | 317 | |
f1dc5600 S |
318 | REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00); |
319 | REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924); | |
320 | REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029); | |
321 | REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824); | |
322 | REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579); | |
323 | REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000); | |
324 | REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40); | |
325 | REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554); | |
326 | REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007); | |
f078f209 | 327 | |
f1dc5600 | 328 | REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000); |
f078f209 LR |
329 | } |
330 | ||
1f3f0618 | 331 | /* This should work for all families including legacy */ |
cbe61d8a | 332 | static bool ath9k_hw_chip_test(struct ath_hw *ah) |
f078f209 | 333 | { |
c46917bb | 334 | struct ath_common *common = ath9k_hw_common(ah); |
1f3f0618 | 335 | u32 regAddr[2] = { AR_STA_ID0 }; |
f1dc5600 | 336 | u32 regHold[2]; |
07b2fa5a JP |
337 | static const u32 patternData[4] = { |
338 | 0x55555555, 0xaaaaaaaa, 0x66666666, 0x99999999 | |
339 | }; | |
1f3f0618 | 340 | int i, j, loop_max; |
f078f209 | 341 | |
1f3f0618 SB |
342 | if (!AR_SREV_9300_20_OR_LATER(ah)) { |
343 | loop_max = 2; | |
344 | regAddr[1] = AR_PHY_BASE + (8 << 2); | |
345 | } else | |
346 | loop_max = 1; | |
347 | ||
348 | for (i = 0; i < loop_max; i++) { | |
f1dc5600 S |
349 | u32 addr = regAddr[i]; |
350 | u32 wrData, rdData; | |
f078f209 | 351 | |
f1dc5600 S |
352 | regHold[i] = REG_READ(ah, addr); |
353 | for (j = 0; j < 0x100; j++) { | |
354 | wrData = (j << 16) | j; | |
355 | REG_WRITE(ah, addr, wrData); | |
356 | rdData = REG_READ(ah, addr); | |
357 | if (rdData != wrData) { | |
3800276a JP |
358 | ath_err(common, |
359 | "address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n", | |
360 | addr, wrData, rdData); | |
f1dc5600 S |
361 | return false; |
362 | } | |
363 | } | |
364 | for (j = 0; j < 4; j++) { | |
365 | wrData = patternData[j]; | |
366 | REG_WRITE(ah, addr, wrData); | |
367 | rdData = REG_READ(ah, addr); | |
368 | if (wrData != rdData) { | |
3800276a JP |
369 | ath_err(common, |
370 | "address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n", | |
371 | addr, wrData, rdData); | |
f1dc5600 S |
372 | return false; |
373 | } | |
f078f209 | 374 | } |
f1dc5600 | 375 | REG_WRITE(ah, regAddr[i], regHold[i]); |
f078f209 | 376 | } |
f1dc5600 | 377 | udelay(100); |
cbe61d8a | 378 | |
f078f209 LR |
379 | return true; |
380 | } | |
381 | ||
b8b0f377 | 382 | static void ath9k_hw_init_config(struct ath_hw *ah) |
f1dc5600 | 383 | { |
f57cf939 SM |
384 | struct ath_common *common = ath9k_hw_common(ah); |
385 | ||
689e756f FF |
386 | ah->config.dma_beacon_response_time = 1; |
387 | ah->config.sw_beacon_response_time = 6; | |
621a5f7a | 388 | ah->config.cwm_ignore_extcca = false; |
2660b81a | 389 | ah->config.analog_shiftreg = 1; |
f078f209 | 390 | |
0ce024cb | 391 | ah->config.rx_intr_mitigation = true; |
6158425b | 392 | |
a64e1a45 SM |
393 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
394 | ah->config.rimt_last = 500; | |
395 | ah->config.rimt_first = 2000; | |
396 | } else { | |
397 | ah->config.rimt_last = 250; | |
398 | ah->config.rimt_first = 700; | |
399 | } | |
400 | ||
656cd75c SM |
401 | if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) |
402 | ah->config.pll_pwrsave = 7; | |
403 | ||
6158425b LR |
404 | /* |
405 | * We need this for PCI devices only (Cardbus, PCI, miniPCI) | |
406 | * _and_ if on non-uniprocessor systems (Multiprocessor/HT). | |
407 | * This means we use it for all AR5416 devices, and the few | |
408 | * minor PCI AR9280 devices out there. | |
409 | * | |
410 | * Serialization is required because these devices do not handle | |
411 | * well the case of two concurrent reads/writes due to the latency | |
412 | * involved. During one read/write another read/write can be issued | |
413 | * on another CPU while the previous read/write may still be working | |
414 | * on our hardware, if we hit this case the hardware poops in a loop. | |
415 | * We prevent this by serializing reads and writes. | |
416 | * | |
417 | * This issue is not present on PCI-Express devices or pre-AR5416 | |
418 | * devices (legacy, 802.11abg). | |
419 | */ | |
420 | if (num_possible_cpus() > 1) | |
2d6a5e95 | 421 | ah->config.serialize_regmode = SER_REG_MODE_AUTO; |
f57cf939 SM |
422 | |
423 | if (NR_CPUS > 1 && ah->config.serialize_regmode == SER_REG_MODE_AUTO) { | |
424 | if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI || | |
425 | ((AR_SREV_9160(ah) || AR_SREV_9280(ah) || AR_SREV_9287(ah)) && | |
426 | !ah->is_pciexpress)) { | |
427 | ah->config.serialize_regmode = SER_REG_MODE_ON; | |
428 | } else { | |
429 | ah->config.serialize_regmode = SER_REG_MODE_OFF; | |
430 | } | |
431 | } | |
432 | ||
433 | ath_dbg(common, RESET, "serialize_regmode is %d\n", | |
434 | ah->config.serialize_regmode); | |
435 | ||
436 | if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) | |
437 | ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD >> 1; | |
438 | else | |
439 | ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD; | |
f078f209 LR |
440 | } |
441 | ||
50aca25b | 442 | static void ath9k_hw_init_defaults(struct ath_hw *ah) |
f078f209 | 443 | { |
608b88cb LR |
444 | struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); |
445 | ||
446 | regulatory->country_code = CTRY_DEFAULT; | |
447 | regulatory->power_limit = MAX_RATE_POWER; | |
608b88cb | 448 | |
d535a42a | 449 | ah->hw_version.magic = AR5416_MAGIC; |
d535a42a | 450 | ah->hw_version.subvendorid = 0; |
f078f209 | 451 | |
f57cf939 SM |
452 | ah->sta_id1_defaults = AR_STA_ID1_CRPT_MIC_ENABLE | |
453 | AR_STA_ID1_MCAST_KSRCH; | |
f171760c FF |
454 | if (AR_SREV_9100(ah)) |
455 | ah->sta_id1_defaults |= AR_STA_ID1_AR9100_BA_FIX; | |
f57cf939 | 456 | |
11b0ac2e | 457 | ah->slottime = 9; |
2660b81a | 458 | ah->globaltxtimeout = (u32) -1; |
cbdec975 | 459 | ah->power_mode = ATH9K_PM_UNDEFINED; |
8efa7a81 | 460 | ah->htc_reset_init = true; |
f57cf939 | 461 | |
c09396eb | 462 | ah->tpc_enabled = false; |
a9abe302 | 463 | |
f57cf939 SM |
464 | ah->ani_function = ATH9K_ANI_ALL; |
465 | if (!AR_SREV_9300_20_OR_LATER(ah)) | |
466 | ah->ani_function &= ~ATH9K_ANI_MRC_CCK; | |
467 | ||
468 | if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) | |
469 | ah->tx_trig_level = (AR_FTRIG_256B >> AR_FTRIG_S); | |
470 | else | |
471 | ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S); | |
f078f209 LR |
472 | } |
473 | ||
d323cb71 | 474 | static void ath9k_hw_init_macaddr(struct ath_hw *ah) |
f078f209 | 475 | { |
1510718d | 476 | struct ath_common *common = ath9k_hw_common(ah); |
f078f209 LR |
477 | int i; |
478 | u16 eeval; | |
07b2fa5a | 479 | static const u32 EEP_MAC[] = { EEP_MAC_LSW, EEP_MAC_MID, EEP_MAC_MSW }; |
f078f209 | 480 | |
0cefa974 MB |
481 | /* MAC address may already be loaded via ath9k_platform_data */ |
482 | if (is_valid_ether_addr(common->macaddr)) | |
d323cb71 | 483 | return; |
0cefa974 | 484 | |
f078f209 | 485 | for (i = 0; i < 3; i++) { |
49101676 | 486 | eeval = ah->eep_ops->get_eeprom(ah, EEP_MAC[i]); |
1510718d LR |
487 | common->macaddr[2 * i] = eeval >> 8; |
488 | common->macaddr[2 * i + 1] = eeval & 0xff; | |
f078f209 | 489 | } |
0cefa974 MB |
490 | |
491 | if (is_valid_ether_addr(common->macaddr)) | |
d323cb71 | 492 | return; |
0cefa974 MB |
493 | |
494 | ath_err(common, "eeprom contains invalid mac address: %pM\n", | |
495 | common->macaddr); | |
496 | ||
497 | random_ether_addr(common->macaddr); | |
498 | ath_err(common, "random mac address will be used: %pM\n", | |
499 | common->macaddr); | |
f078f209 | 500 | |
d323cb71 | 501 | return; |
f078f209 LR |
502 | } |
503 | ||
f637cfd6 | 504 | static int ath9k_hw_post_init(struct ath_hw *ah) |
f078f209 | 505 | { |
6cae913d | 506 | struct ath_common *common = ath9k_hw_common(ah); |
f1dc5600 | 507 | int ecode; |
f078f209 | 508 | |
6cae913d | 509 | if (common->bus_ops->ath_bus_type != ATH_USB) { |
527d485f S |
510 | if (!ath9k_hw_chip_test(ah)) |
511 | return -ENODEV; | |
512 | } | |
f078f209 | 513 | |
ebd5a14a LR |
514 | if (!AR_SREV_9300_20_OR_LATER(ah)) { |
515 | ecode = ar9002_hw_rf_claim(ah); | |
516 | if (ecode != 0) | |
517 | return ecode; | |
518 | } | |
f078f209 | 519 | |
f637cfd6 | 520 | ecode = ath9k_hw_eeprom_init(ah); |
f1dc5600 S |
521 | if (ecode != 0) |
522 | return ecode; | |
7d01b221 | 523 | |
d2182b69 | 524 | ath_dbg(ath9k_hw_common(ah), CONFIG, "Eeprom VER: %d, REV: %d\n", |
226afe68 JP |
525 | ah->eep_ops->get_eeprom_ver(ah), |
526 | ah->eep_ops->get_eeprom_rev(ah)); | |
7d01b221 | 527 | |
e323300d | 528 | ath9k_hw_ani_init(ah); |
f078f209 | 529 | |
d3b371cb SM |
530 | /* |
531 | * EEPROM needs to be initialized before we do this. | |
532 | * This is required for regulatory compliance. | |
533 | */ | |
0c7c2bb4 | 534 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
d3b371cb SM |
535 | u16 regdmn = ah->eep_ops->get_eeprom(ah, EEP_REG_0); |
536 | if ((regdmn & 0xF0) == CTL_FCC) { | |
0c7c2bb4 SM |
537 | ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_FCC_2GHZ; |
538 | ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_FCC_5GHZ; | |
d3b371cb SM |
539 | } |
540 | } | |
541 | ||
f078f209 LR |
542 | return 0; |
543 | } | |
544 | ||
c1b976d2 | 545 | static int ath9k_hw_attach_ops(struct ath_hw *ah) |
ee2bb460 | 546 | { |
c1b976d2 FF |
547 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
548 | return ar9002_hw_attach_ops(ah); | |
549 | ||
550 | ar9003_hw_attach_ops(ah); | |
551 | return 0; | |
aa4058ae LR |
552 | } |
553 | ||
d70357d5 LR |
554 | /* Called for all hardware families */ |
555 | static int __ath9k_hw_init(struct ath_hw *ah) | |
aa4058ae | 556 | { |
c46917bb | 557 | struct ath_common *common = ath9k_hw_common(ah); |
95fafca2 | 558 | int r = 0; |
aa4058ae | 559 | |
ac45c12d SB |
560 | ath9k_hw_read_revisions(ah); |
561 | ||
de82582b SM |
562 | switch (ah->hw_version.macVersion) { |
563 | case AR_SREV_VERSION_5416_PCI: | |
564 | case AR_SREV_VERSION_5416_PCIE: | |
565 | case AR_SREV_VERSION_9160: | |
566 | case AR_SREV_VERSION_9100: | |
567 | case AR_SREV_VERSION_9280: | |
568 | case AR_SREV_VERSION_9285: | |
569 | case AR_SREV_VERSION_9287: | |
570 | case AR_SREV_VERSION_9271: | |
571 | case AR_SREV_VERSION_9300: | |
572 | case AR_SREV_VERSION_9330: | |
573 | case AR_SREV_VERSION_9485: | |
574 | case AR_SREV_VERSION_9340: | |
575 | case AR_SREV_VERSION_9462: | |
576 | case AR_SREV_VERSION_9550: | |
577 | case AR_SREV_VERSION_9565: | |
e6b1e46e | 578 | case AR_SREV_VERSION_9531: |
2131fabb | 579 | case AR_SREV_VERSION_9561: |
de82582b SM |
580 | break; |
581 | default: | |
582 | ath_err(common, | |
583 | "Mac Chip Rev 0x%02x.%x is not supported by this driver\n", | |
584 | ah->hw_version.macVersion, ah->hw_version.macRev); | |
585 | return -EOPNOTSUPP; | |
586 | } | |
587 | ||
0a8d7cb0 SB |
588 | /* |
589 | * Read back AR_WA into a permanent copy and set bits 14 and 17. | |
590 | * We need to do this to avoid RMW of this register. We cannot | |
591 | * read the reg when chip is asleep. | |
592 | */ | |
27251e00 SM |
593 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
594 | ah->WARegVal = REG_READ(ah, AR_WA); | |
595 | ah->WARegVal |= (AR_WA_D3_L1_DISABLE | | |
596 | AR_WA_ASPM_TIMER_BASED_DISABLE); | |
597 | } | |
0a8d7cb0 | 598 | |
aa4058ae | 599 | if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) { |
3800276a | 600 | ath_err(common, "Couldn't reset chip\n"); |
95fafca2 | 601 | return -EIO; |
aa4058ae LR |
602 | } |
603 | ||
a4a2954f SM |
604 | if (AR_SREV_9565(ah)) { |
605 | ah->WARegVal |= AR_WA_BIT22; | |
606 | REG_WRITE(ah, AR_WA, ah->WARegVal); | |
607 | } | |
608 | ||
bab1f62e LR |
609 | ath9k_hw_init_defaults(ah); |
610 | ath9k_hw_init_config(ah); | |
611 | ||
c1b976d2 FF |
612 | r = ath9k_hw_attach_ops(ah); |
613 | if (r) | |
614 | return r; | |
d70357d5 | 615 | |
9ecdef4b | 616 | if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) { |
3800276a | 617 | ath_err(common, "Couldn't wakeup chip\n"); |
95fafca2 | 618 | return -EIO; |
aa4058ae LR |
619 | } |
620 | ||
2c8e5937 | 621 | if (AR_SREV_9271(ah) || AR_SREV_9100(ah) || AR_SREV_9340(ah) || |
c95b584b | 622 | AR_SREV_9330(ah) || AR_SREV_9550(ah)) |
d7e7d229 LR |
623 | ah->is_pciexpress = false; |
624 | ||
aa4058ae | 625 | ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID); |
aa4058ae LR |
626 | ath9k_hw_init_cal_settings(ah); |
627 | ||
69ce674b | 628 | if (!ah->is_pciexpress) |
aa4058ae LR |
629 | ath9k_hw_disablepcie(ah); |
630 | ||
f637cfd6 | 631 | r = ath9k_hw_post_init(ah); |
aa4058ae | 632 | if (r) |
95fafca2 | 633 | return r; |
aa4058ae LR |
634 | |
635 | ath9k_hw_init_mode_gain_regs(ah); | |
a9a29ce6 GJ |
636 | r = ath9k_hw_fill_cap_info(ah); |
637 | if (r) | |
638 | return r; | |
639 | ||
d323cb71 | 640 | ath9k_hw_init_macaddr(ah); |
4598702d | 641 | ath9k_hw_init_hang_checks(ah); |
f078f209 | 642 | |
211f5859 LR |
643 | common->state = ATH_HW_INITIALIZED; |
644 | ||
4f3acf81 | 645 | return 0; |
f078f209 LR |
646 | } |
647 | ||
d70357d5 | 648 | int ath9k_hw_init(struct ath_hw *ah) |
f078f209 | 649 | { |
d70357d5 LR |
650 | int ret; |
651 | struct ath_common *common = ath9k_hw_common(ah); | |
f078f209 | 652 | |
77fac465 | 653 | /* These are all the AR5008/AR9001/AR9002/AR9003 hardware family of chipsets */ |
d70357d5 LR |
654 | switch (ah->hw_version.devid) { |
655 | case AR5416_DEVID_PCI: | |
656 | case AR5416_DEVID_PCIE: | |
657 | case AR5416_AR9100_DEVID: | |
658 | case AR9160_DEVID_PCI: | |
659 | case AR9280_DEVID_PCI: | |
660 | case AR9280_DEVID_PCIE: | |
661 | case AR9285_DEVID_PCIE: | |
db3cc53a SB |
662 | case AR9287_DEVID_PCI: |
663 | case AR9287_DEVID_PCIE: | |
d70357d5 | 664 | case AR2427_DEVID_PCIE: |
db3cc53a | 665 | case AR9300_DEVID_PCIE: |
3050c914 | 666 | case AR9300_DEVID_AR9485_PCIE: |
999a7a88 | 667 | case AR9300_DEVID_AR9330: |
bca04689 | 668 | case AR9300_DEVID_AR9340: |
2b943a33 | 669 | case AR9300_DEVID_QCA955X: |
5a63ef0f | 670 | case AR9300_DEVID_AR9580: |
423e38e8 | 671 | case AR9300_DEVID_AR9462: |
d4e5979c | 672 | case AR9485_DEVID_AR1111: |
77fac465 | 673 | case AR9300_DEVID_AR9565: |
e6b1e46e | 674 | case AR9300_DEVID_AR953X: |
2131fabb | 675 | case AR9300_DEVID_QCA956X: |
d70357d5 LR |
676 | break; |
677 | default: | |
678 | if (common->bus_ops->ath_bus_type == ATH_USB) | |
679 | break; | |
3800276a JP |
680 | ath_err(common, "Hardware device ID 0x%04x not supported\n", |
681 | ah->hw_version.devid); | |
d70357d5 LR |
682 | return -EOPNOTSUPP; |
683 | } | |
f078f209 | 684 | |
d70357d5 LR |
685 | ret = __ath9k_hw_init(ah); |
686 | if (ret) { | |
3800276a JP |
687 | ath_err(common, |
688 | "Unable to initialize hardware; initialization status: %d\n", | |
689 | ret); | |
d70357d5 LR |
690 | return ret; |
691 | } | |
f078f209 | 692 | |
c774d57f LB |
693 | ath_dynack_init(ah); |
694 | ||
d70357d5 | 695 | return 0; |
f078f209 | 696 | } |
d70357d5 | 697 | EXPORT_SYMBOL(ath9k_hw_init); |
f078f209 | 698 | |
cbe61d8a | 699 | static void ath9k_hw_init_qos(struct ath_hw *ah) |
f078f209 | 700 | { |
7d0d0df0 S |
701 | ENABLE_REGWRITE_BUFFER(ah); |
702 | ||
f1dc5600 S |
703 | REG_WRITE(ah, AR_MIC_QOS_CONTROL, 0x100aa); |
704 | REG_WRITE(ah, AR_MIC_QOS_SELECT, 0x3210); | |
f078f209 | 705 | |
f1dc5600 S |
706 | REG_WRITE(ah, AR_QOS_NO_ACK, |
707 | SM(2, AR_QOS_NO_ACK_TWO_BIT) | | |
708 | SM(5, AR_QOS_NO_ACK_BIT_OFF) | | |
709 | SM(0, AR_QOS_NO_ACK_BYTE_OFF)); | |
710 | ||
711 | REG_WRITE(ah, AR_TXOP_X, AR_TXOP_X_VAL); | |
712 | REG_WRITE(ah, AR_TXOP_0_3, 0xFFFFFFFF); | |
713 | REG_WRITE(ah, AR_TXOP_4_7, 0xFFFFFFFF); | |
714 | REG_WRITE(ah, AR_TXOP_8_11, 0xFFFFFFFF); | |
715 | REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF); | |
7d0d0df0 S |
716 | |
717 | REGWRITE_BUFFER_FLUSH(ah); | |
f078f209 LR |
718 | } |
719 | ||
b84628eb | 720 | u32 ar9003_get_pll_sqsum_dvc(struct ath_hw *ah) |
b1415819 | 721 | { |
f18e3c6b MSS |
722 | struct ath_common *common = ath9k_hw_common(ah); |
723 | int i = 0; | |
724 | ||
ca7a4deb FF |
725 | REG_CLR_BIT(ah, PLL3, PLL3_DO_MEAS_MASK); |
726 | udelay(100); | |
727 | REG_SET_BIT(ah, PLL3, PLL3_DO_MEAS_MASK); | |
b1415819 | 728 | |
f18e3c6b MSS |
729 | while ((REG_READ(ah, PLL4) & PLL4_MEAS_DONE) == 0) { |
730 | ||
ca7a4deb | 731 | udelay(100); |
b1415819 | 732 | |
f18e3c6b MSS |
733 | if (WARN_ON_ONCE(i >= 100)) { |
734 | ath_err(common, "PLL4 meaurement not done\n"); | |
735 | break; | |
736 | } | |
737 | ||
738 | i++; | |
739 | } | |
740 | ||
ca7a4deb | 741 | return (REG_READ(ah, PLL3) & SQSUM_DVC_MASK) >> 3; |
b1415819 VN |
742 | } |
743 | EXPORT_SYMBOL(ar9003_get_pll_sqsum_dvc); | |
744 | ||
cbe61d8a | 745 | static void ath9k_hw_init_pll(struct ath_hw *ah, |
f1dc5600 | 746 | struct ath9k_channel *chan) |
f078f209 | 747 | { |
d09b17f7 VT |
748 | u32 pll; |
749 | ||
5fb9b1b9 FF |
750 | pll = ath9k_hw_compute_pll_control(ah, chan); |
751 | ||
a4a2954f | 752 | if (AR_SREV_9485(ah) || AR_SREV_9565(ah)) { |
3dfd7f60 VT |
753 | /* program BB PLL ki and kd value, ki=0x4, kd=0x40 */ |
754 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, | |
755 | AR_CH0_BB_DPLL2_PLL_PWD, 0x1); | |
756 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, | |
757 | AR_CH0_DPLL2_KD, 0x40); | |
758 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, | |
759 | AR_CH0_DPLL2_KI, 0x4); | |
22983c30 | 760 | |
3dfd7f60 VT |
761 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL1, |
762 | AR_CH0_BB_DPLL1_REFDIV, 0x5); | |
763 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL1, | |
764 | AR_CH0_BB_DPLL1_NINI, 0x58); | |
765 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL1, | |
766 | AR_CH0_BB_DPLL1_NFRAC, 0x0); | |
22983c30 VN |
767 | |
768 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, | |
3dfd7f60 VT |
769 | AR_CH0_BB_DPLL2_OUTDIV, 0x1); |
770 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, | |
771 | AR_CH0_BB_DPLL2_LOCAL_PLL, 0x1); | |
22983c30 | 772 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, |
3dfd7f60 | 773 | AR_CH0_BB_DPLL2_EN_NEGTRIG, 0x1); |
22983c30 | 774 | |
3dfd7f60 | 775 | /* program BB PLL phase_shift to 0x6 */ |
22983c30 | 776 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL3, |
3dfd7f60 VT |
777 | AR_CH0_BB_DPLL3_PHASE_SHIFT, 0x6); |
778 | ||
779 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, | |
780 | AR_CH0_BB_DPLL2_PLL_PWD, 0x0); | |
75e03512 | 781 | udelay(1000); |
a5415d62 GJ |
782 | } else if (AR_SREV_9330(ah)) { |
783 | u32 ddr_dpll2, pll_control2, kd; | |
784 | ||
785 | if (ah->is_clk_25mhz) { | |
786 | ddr_dpll2 = 0x18e82f01; | |
787 | pll_control2 = 0xe04a3d; | |
788 | kd = 0x1d; | |
789 | } else { | |
790 | ddr_dpll2 = 0x19e82f01; | |
791 | pll_control2 = 0x886666; | |
792 | kd = 0x3d; | |
793 | } | |
794 | ||
795 | /* program DDR PLL ki and kd value */ | |
796 | REG_WRITE(ah, AR_CH0_DDR_DPLL2, ddr_dpll2); | |
797 | ||
798 | /* program DDR PLL phase_shift */ | |
799 | REG_RMW_FIELD(ah, AR_CH0_DDR_DPLL3, | |
800 | AR_CH0_DPLL3_PHASE_SHIFT, 0x1); | |
801 | ||
5fb9b1b9 FF |
802 | REG_WRITE(ah, AR_RTC_PLL_CONTROL, |
803 | pll | AR_RTC_9300_PLL_BYPASS); | |
a5415d62 GJ |
804 | udelay(1000); |
805 | ||
806 | /* program refdiv, nint, frac to RTC register */ | |
807 | REG_WRITE(ah, AR_RTC_PLL_CONTROL2, pll_control2); | |
808 | ||
809 | /* program BB PLL kd and ki value */ | |
810 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, AR_CH0_DPLL2_KD, kd); | |
811 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, AR_CH0_DPLL2_KI, 0x06); | |
812 | ||
813 | /* program BB PLL phase_shift */ | |
814 | REG_RMW_FIELD(ah, AR_CH0_BB_DPLL3, | |
815 | AR_CH0_BB_DPLL3_PHASE_SHIFT, 0x1); | |
ede6a5e7 MP |
816 | } else if (AR_SREV_9340(ah) || AR_SREV_9550(ah) || AR_SREV_9531(ah) || |
817 | AR_SREV_9561(ah)) { | |
0b488ac6 VT |
818 | u32 regval, pll2_divint, pll2_divfrac, refdiv; |
819 | ||
5fb9b1b9 FF |
820 | REG_WRITE(ah, AR_RTC_PLL_CONTROL, |
821 | pll | AR_RTC_9300_SOC_PLL_BYPASS); | |
0b488ac6 VT |
822 | udelay(1000); |
823 | ||
824 | REG_SET_BIT(ah, AR_PHY_PLL_MODE, 0x1 << 16); | |
825 | udelay(100); | |
826 | ||
827 | if (ah->is_clk_25mhz) { | |
ede6a5e7 | 828 | if (AR_SREV_9531(ah) || AR_SREV_9561(ah)) { |
2c323058 SM |
829 | pll2_divint = 0x1c; |
830 | pll2_divfrac = 0xa3d2; | |
831 | refdiv = 1; | |
832 | } else { | |
833 | pll2_divint = 0x54; | |
834 | pll2_divfrac = 0x1eb85; | |
835 | refdiv = 3; | |
836 | } | |
0b488ac6 | 837 | } else { |
fc05a317 GJ |
838 | if (AR_SREV_9340(ah)) { |
839 | pll2_divint = 88; | |
840 | pll2_divfrac = 0; | |
841 | refdiv = 5; | |
842 | } else { | |
843 | pll2_divint = 0x11; | |
ede6a5e7 MP |
844 | pll2_divfrac = (AR_SREV_9531(ah) || |
845 | AR_SREV_9561(ah)) ? | |
846 | 0x26665 : 0x26666; | |
fc05a317 GJ |
847 | refdiv = 1; |
848 | } | |
0b488ac6 VT |
849 | } |
850 | ||
851 | regval = REG_READ(ah, AR_PHY_PLL_MODE); | |
ede6a5e7 | 852 | if (AR_SREV_9531(ah) || AR_SREV_9561(ah)) |
2c323058 SM |
853 | regval |= (0x1 << 22); |
854 | else | |
855 | regval |= (0x1 << 16); | |
0b488ac6 VT |
856 | REG_WRITE(ah, AR_PHY_PLL_MODE, regval); |
857 | udelay(100); | |
858 | ||
859 | REG_WRITE(ah, AR_PHY_PLL_CONTROL, (refdiv << 27) | | |
860 | (pll2_divint << 18) | pll2_divfrac); | |
861 | udelay(100); | |
862 | ||
863 | regval = REG_READ(ah, AR_PHY_PLL_MODE); | |
fc05a317 | 864 | if (AR_SREV_9340(ah)) |
2c323058 SM |
865 | regval = (regval & 0x80071fff) | |
866 | (0x1 << 30) | | |
867 | (0x1 << 13) | | |
868 | (0x4 << 26) | | |
869 | (0x18 << 19); | |
ede6a5e7 | 870 | else if (AR_SREV_9531(ah) || AR_SREV_9561(ah)) { |
2c323058 SM |
871 | regval = (regval & 0x01c00fff) | |
872 | (0x1 << 31) | | |
873 | (0x2 << 29) | | |
874 | (0xa << 25) | | |
ede6a5e7 MP |
875 | (0x1 << 19); |
876 | ||
877 | if (AR_SREV_9531(ah)) | |
878 | regval |= (0x6 << 12); | |
879 | } else | |
2c323058 SM |
880 | regval = (regval & 0x80071fff) | |
881 | (0x3 << 30) | | |
882 | (0x1 << 13) | | |
883 | (0x4 << 26) | | |
884 | (0x60 << 19); | |
0b488ac6 | 885 | REG_WRITE(ah, AR_PHY_PLL_MODE, regval); |
2c323058 | 886 | |
ede6a5e7 | 887 | if (AR_SREV_9531(ah) || AR_SREV_9561(ah)) |
2c323058 SM |
888 | REG_WRITE(ah, AR_PHY_PLL_MODE, |
889 | REG_READ(ah, AR_PHY_PLL_MODE) & 0xffbfffff); | |
890 | else | |
891 | REG_WRITE(ah, AR_PHY_PLL_MODE, | |
892 | REG_READ(ah, AR_PHY_PLL_MODE) & 0xfffeffff); | |
893 | ||
0b488ac6 | 894 | udelay(1000); |
22983c30 | 895 | } |
d09b17f7 | 896 | |
8565f8bf SM |
897 | if (AR_SREV_9565(ah)) |
898 | pll |= 0x40000; | |
d03a66c1 | 899 | REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll); |
f078f209 | 900 | |
fc05a317 GJ |
901 | if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah) || |
902 | AR_SREV_9550(ah)) | |
3dfd7f60 VT |
903 | udelay(1000); |
904 | ||
c75724d1 LR |
905 | /* Switch the core clock for ar9271 to 117Mhz */ |
906 | if (AR_SREV_9271(ah)) { | |
25e2ab17 S |
907 | udelay(500); |
908 | REG_WRITE(ah, 0x50040, 0x304); | |
c75724d1 LR |
909 | } |
910 | ||
f1dc5600 S |
911 | udelay(RTC_PLL_SETTLE_DELAY); |
912 | ||
913 | REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK); | |
f078f209 LR |
914 | } |
915 | ||
cbe61d8a | 916 | static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah, |
d97809db | 917 | enum nl80211_iftype opmode) |
f078f209 | 918 | { |
79d1d2b8 | 919 | u32 sync_default = AR_INTR_SYNC_DEFAULT; |
152d530d | 920 | u32 imr_reg = AR_IMR_TXERR | |
f1dc5600 S |
921 | AR_IMR_TXURN | |
922 | AR_IMR_RXERR | | |
923 | AR_IMR_RXORN | | |
924 | AR_IMR_BCNMISC; | |
f078f209 | 925 | |
ede6a5e7 MP |
926 | if (AR_SREV_9340(ah) || AR_SREV_9550(ah) || AR_SREV_9531(ah) || |
927 | AR_SREV_9561(ah)) | |
79d1d2b8 VT |
928 | sync_default &= ~AR_INTR_SYNC_HOST1_FATAL; |
929 | ||
66860240 VT |
930 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
931 | imr_reg |= AR_IMR_RXOK_HP; | |
932 | if (ah->config.rx_intr_mitigation) | |
933 | imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR; | |
934 | else | |
935 | imr_reg |= AR_IMR_RXOK_LP; | |
f078f209 | 936 | |
66860240 VT |
937 | } else { |
938 | if (ah->config.rx_intr_mitigation) | |
939 | imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR; | |
940 | else | |
941 | imr_reg |= AR_IMR_RXOK; | |
942 | } | |
f078f209 | 943 | |
66860240 VT |
944 | if (ah->config.tx_intr_mitigation) |
945 | imr_reg |= AR_IMR_TXINTM | AR_IMR_TXMINTR; | |
946 | else | |
947 | imr_reg |= AR_IMR_TXOK; | |
f078f209 | 948 | |
7d0d0df0 S |
949 | ENABLE_REGWRITE_BUFFER(ah); |
950 | ||
152d530d | 951 | REG_WRITE(ah, AR_IMR, imr_reg); |
74bad5cb PR |
952 | ah->imrs2_reg |= AR_IMR_S2_GTT; |
953 | REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg); | |
f078f209 | 954 | |
f1dc5600 S |
955 | if (!AR_SREV_9100(ah)) { |
956 | REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF); | |
79d1d2b8 | 957 | REG_WRITE(ah, AR_INTR_SYNC_ENABLE, sync_default); |
f1dc5600 S |
958 | REG_WRITE(ah, AR_INTR_SYNC_MASK, 0); |
959 | } | |
66860240 | 960 | |
7d0d0df0 | 961 | REGWRITE_BUFFER_FLUSH(ah); |
7d0d0df0 | 962 | |
66860240 VT |
963 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
964 | REG_WRITE(ah, AR_INTR_PRIO_ASYNC_ENABLE, 0); | |
965 | REG_WRITE(ah, AR_INTR_PRIO_ASYNC_MASK, 0); | |
966 | REG_WRITE(ah, AR_INTR_PRIO_SYNC_ENABLE, 0); | |
967 | REG_WRITE(ah, AR_INTR_PRIO_SYNC_MASK, 0); | |
968 | } | |
f078f209 LR |
969 | } |
970 | ||
b6ba41bb FF |
971 | static void ath9k_hw_set_sifs_time(struct ath_hw *ah, u32 us) |
972 | { | |
973 | u32 val = ath9k_hw_mac_to_clks(ah, us - 2); | |
974 | val = min(val, (u32) 0xFFFF); | |
975 | REG_WRITE(ah, AR_D_GBL_IFS_SIFS, val); | |
976 | } | |
977 | ||
8e15e094 | 978 | void ath9k_hw_setslottime(struct ath_hw *ah, u32 us) |
f078f209 | 979 | { |
0005baf4 FF |
980 | u32 val = ath9k_hw_mac_to_clks(ah, us); |
981 | val = min(val, (u32) 0xFFFF); | |
982 | REG_WRITE(ah, AR_D_GBL_IFS_SLOT, val); | |
f078f209 LR |
983 | } |
984 | ||
8e15e094 | 985 | void ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us) |
f078f209 | 986 | { |
0005baf4 FF |
987 | u32 val = ath9k_hw_mac_to_clks(ah, us); |
988 | val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_ACK)); | |
989 | REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_ACK, val); | |
990 | } | |
991 | ||
8e15e094 | 992 | void ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us) |
0005baf4 FF |
993 | { |
994 | u32 val = ath9k_hw_mac_to_clks(ah, us); | |
995 | val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_CTS)); | |
996 | REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_CTS, val); | |
f078f209 | 997 | } |
f1dc5600 | 998 | |
cbe61d8a | 999 | static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu) |
f078f209 | 1000 | { |
f078f209 | 1001 | if (tu > 0xFFFF) { |
d2182b69 JP |
1002 | ath_dbg(ath9k_hw_common(ah), XMIT, "bad global tx timeout %u\n", |
1003 | tu); | |
2660b81a | 1004 | ah->globaltxtimeout = (u32) -1; |
f078f209 LR |
1005 | return false; |
1006 | } else { | |
1007 | REG_RMW_FIELD(ah, AR_GTXTO, AR_GTXTO_TIMEOUT_LIMIT, tu); | |
2660b81a | 1008 | ah->globaltxtimeout = tu; |
f078f209 LR |
1009 | return true; |
1010 | } | |
1011 | } | |
1012 | ||
0005baf4 | 1013 | void ath9k_hw_init_global_settings(struct ath_hw *ah) |
f078f209 | 1014 | { |
b6ba41bb | 1015 | struct ath_common *common = ath9k_hw_common(ah); |
b6ba41bb | 1016 | const struct ath9k_channel *chan = ah->curchan; |
e115b7ec | 1017 | int acktimeout, ctstimeout, ack_offset = 0; |
e239d859 | 1018 | int slottime; |
0005baf4 | 1019 | int sifstime; |
b6ba41bb FF |
1020 | int rx_lat = 0, tx_lat = 0, eifs = 0; |
1021 | u32 reg; | |
0005baf4 | 1022 | |
d2182b69 | 1023 | ath_dbg(ath9k_hw_common(ah), RESET, "ah->misc_mode 0x%x\n", |
226afe68 | 1024 | ah->misc_mode); |
f078f209 | 1025 | |
b6ba41bb FF |
1026 | if (!chan) |
1027 | return; | |
1028 | ||
2660b81a | 1029 | if (ah->misc_mode != 0) |
ca7a4deb | 1030 | REG_SET_BIT(ah, AR_PCU_MISC, ah->misc_mode); |
0005baf4 | 1031 | |
81a91d57 RM |
1032 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) |
1033 | rx_lat = 41; | |
1034 | else | |
1035 | rx_lat = 37; | |
b6ba41bb FF |
1036 | tx_lat = 54; |
1037 | ||
e88e4861 FF |
1038 | if (IS_CHAN_5GHZ(chan)) |
1039 | sifstime = 16; | |
1040 | else | |
1041 | sifstime = 10; | |
1042 | ||
b6ba41bb FF |
1043 | if (IS_CHAN_HALF_RATE(chan)) { |
1044 | eifs = 175; | |
1045 | rx_lat *= 2; | |
1046 | tx_lat *= 2; | |
1047 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) | |
1048 | tx_lat += 11; | |
1049 | ||
92367fe7 | 1050 | sifstime = 32; |
e115b7ec | 1051 | ack_offset = 16; |
b6ba41bb | 1052 | slottime = 13; |
b6ba41bb FF |
1053 | } else if (IS_CHAN_QUARTER_RATE(chan)) { |
1054 | eifs = 340; | |
81a91d57 | 1055 | rx_lat = (rx_lat * 4) - 1; |
b6ba41bb FF |
1056 | tx_lat *= 4; |
1057 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) | |
1058 | tx_lat += 22; | |
1059 | ||
92367fe7 | 1060 | sifstime = 64; |
e115b7ec | 1061 | ack_offset = 32; |
b6ba41bb | 1062 | slottime = 21; |
b6ba41bb | 1063 | } else { |
a7be039d RM |
1064 | if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) { |
1065 | eifs = AR_D_GBL_IFS_EIFS_ASYNC_FIFO; | |
1066 | reg = AR_USEC_ASYNC_FIFO; | |
1067 | } else { | |
1068 | eifs = REG_READ(ah, AR_D_GBL_IFS_EIFS)/ | |
1069 | common->clockrate; | |
1070 | reg = REG_READ(ah, AR_USEC); | |
1071 | } | |
b6ba41bb FF |
1072 | rx_lat = MS(reg, AR_USEC_RX_LAT); |
1073 | tx_lat = MS(reg, AR_USEC_TX_LAT); | |
1074 | ||
1075 | slottime = ah->slottime; | |
b6ba41bb | 1076 | } |
0005baf4 | 1077 | |
e239d859 | 1078 | /* As defined by IEEE 802.11-2007 17.3.8.6 */ |
f77f8234 MK |
1079 | slottime += 3 * ah->coverage_class; |
1080 | acktimeout = slottime + sifstime + ack_offset; | |
adb5066a | 1081 | ctstimeout = acktimeout; |
42c4568a FF |
1082 | |
1083 | /* | |
1084 | * Workaround for early ACK timeouts, add an offset to match the | |
55a2bb4a | 1085 | * initval's 64us ack timeout value. Use 48us for the CTS timeout. |
42c4568a FF |
1086 | * This was initially only meant to work around an issue with delayed |
1087 | * BA frames in some implementations, but it has been found to fix ACK | |
1088 | * timeout issues in other cases as well. | |
1089 | */ | |
e4744ec7 | 1090 | if (IS_CHAN_2GHZ(chan) && |
e115b7ec | 1091 | !IS_CHAN_HALF_RATE(chan) && !IS_CHAN_QUARTER_RATE(chan)) { |
42c4568a | 1092 | acktimeout += 64 - sifstime - ah->slottime; |
55a2bb4a FF |
1093 | ctstimeout += 48 - sifstime - ah->slottime; |
1094 | } | |
1095 | ||
7aefa8aa LB |
1096 | if (ah->dynack.enabled) { |
1097 | acktimeout = ah->dynack.ackto; | |
1098 | ctstimeout = acktimeout; | |
1099 | slottime = (acktimeout - 3) / 2; | |
1100 | } else { | |
1101 | ah->dynack.ackto = acktimeout; | |
1102 | } | |
1103 | ||
b6ba41bb FF |
1104 | ath9k_hw_set_sifs_time(ah, sifstime); |
1105 | ath9k_hw_setslottime(ah, slottime); | |
0005baf4 | 1106 | ath9k_hw_set_ack_timeout(ah, acktimeout); |
adb5066a | 1107 | ath9k_hw_set_cts_timeout(ah, ctstimeout); |
2660b81a S |
1108 | if (ah->globaltxtimeout != (u32) -1) |
1109 | ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout); | |
b6ba41bb FF |
1110 | |
1111 | REG_WRITE(ah, AR_D_GBL_IFS_EIFS, ath9k_hw_mac_to_clks(ah, eifs)); | |
1112 | REG_RMW(ah, AR_USEC, | |
1113 | (common->clockrate - 1) | | |
1114 | SM(rx_lat, AR_USEC_RX_LAT) | | |
1115 | SM(tx_lat, AR_USEC_TX_LAT), | |
1116 | AR_USEC_TX_LAT | AR_USEC_RX_LAT | AR_USEC_USEC); | |
1117 | ||
f1dc5600 | 1118 | } |
0005baf4 | 1119 | EXPORT_SYMBOL(ath9k_hw_init_global_settings); |
f1dc5600 | 1120 | |
285f2dda | 1121 | void ath9k_hw_deinit(struct ath_hw *ah) |
f1dc5600 | 1122 | { |
211f5859 LR |
1123 | struct ath_common *common = ath9k_hw_common(ah); |
1124 | ||
736b3a27 | 1125 | if (common->state < ATH_HW_INITIALIZED) |
c1b976d2 | 1126 | return; |
211f5859 | 1127 | |
9ecdef4b | 1128 | ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP); |
f1dc5600 | 1129 | } |
285f2dda | 1130 | EXPORT_SYMBOL(ath9k_hw_deinit); |
f1dc5600 | 1131 | |
f1dc5600 S |
1132 | /*******/ |
1133 | /* INI */ | |
1134 | /*******/ | |
1135 | ||
8fe65368 | 1136 | u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan) |
3a702e49 BC |
1137 | { |
1138 | u32 ctl = ath_regd_get_band_ctl(reg, chan->chan->band); | |
1139 | ||
6b21fd20 | 1140 | if (IS_CHAN_2GHZ(chan)) |
3a702e49 BC |
1141 | ctl |= CTL_11G; |
1142 | else | |
1143 | ctl |= CTL_11A; | |
1144 | ||
1145 | return ctl; | |
1146 | } | |
1147 | ||
f1dc5600 S |
1148 | /****************************************/ |
1149 | /* Reset and Channel Switching Routines */ | |
1150 | /****************************************/ | |
f1dc5600 | 1151 | |
cbe61d8a | 1152 | static inline void ath9k_hw_set_dma(struct ath_hw *ah) |
f1dc5600 | 1153 | { |
57b32227 | 1154 | struct ath_common *common = ath9k_hw_common(ah); |
86c157b3 | 1155 | int txbuf_size; |
f1dc5600 | 1156 | |
7d0d0df0 S |
1157 | ENABLE_REGWRITE_BUFFER(ah); |
1158 | ||
d7e7d229 LR |
1159 | /* |
1160 | * set AHB_MODE not to do cacheline prefetches | |
1161 | */ | |
ca7a4deb FF |
1162 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
1163 | REG_SET_BIT(ah, AR_AHB_MODE, AR_AHB_PREFETCH_RD_EN); | |
f1dc5600 | 1164 | |
d7e7d229 LR |
1165 | /* |
1166 | * let mac dma reads be in 128 byte chunks | |
1167 | */ | |
ca7a4deb | 1168 | REG_RMW(ah, AR_TXCFG, AR_TXCFG_DMASZ_128B, AR_TXCFG_DMASZ_MASK); |
f1dc5600 | 1169 | |
7d0d0df0 | 1170 | REGWRITE_BUFFER_FLUSH(ah); |
7d0d0df0 | 1171 | |
d7e7d229 LR |
1172 | /* |
1173 | * Restore TX Trigger Level to its pre-reset value. | |
1174 | * The initial value depends on whether aggregation is enabled, and is | |
1175 | * adjusted whenever underruns are detected. | |
1176 | */ | |
57b32227 FF |
1177 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
1178 | REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level); | |
f1dc5600 | 1179 | |
7d0d0df0 | 1180 | ENABLE_REGWRITE_BUFFER(ah); |
f1dc5600 | 1181 | |
d7e7d229 LR |
1182 | /* |
1183 | * let mac dma writes be in 128 byte chunks | |
1184 | */ | |
ca7a4deb | 1185 | REG_RMW(ah, AR_RXCFG, AR_RXCFG_DMASZ_128B, AR_RXCFG_DMASZ_MASK); |
f1dc5600 | 1186 | |
d7e7d229 LR |
1187 | /* |
1188 | * Setup receive FIFO threshold to hold off TX activities | |
1189 | */ | |
f1dc5600 S |
1190 | REG_WRITE(ah, AR_RXFIFO_CFG, 0x200); |
1191 | ||
57b32227 FF |
1192 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
1193 | REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_HP, 0x1); | |
1194 | REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_LP, 0x1); | |
1195 | ||
1196 | ath9k_hw_set_rx_bufsize(ah, common->rx_bufsize - | |
1197 | ah->caps.rx_status_len); | |
1198 | } | |
1199 | ||
d7e7d229 LR |
1200 | /* |
1201 | * reduce the number of usable entries in PCU TXBUF to avoid | |
1202 | * wrap around issues. | |
1203 | */ | |
f1dc5600 | 1204 | if (AR_SREV_9285(ah)) { |
d7e7d229 LR |
1205 | /* For AR9285 the number of Fifos are reduced to half. |
1206 | * So set the usable tx buf size also to half to | |
1207 | * avoid data/delimiter underruns | |
1208 | */ | |
86c157b3 FF |
1209 | txbuf_size = AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE; |
1210 | } else if (AR_SREV_9340_13_OR_LATER(ah)) { | |
1211 | /* Uses fewer entries for AR934x v1.3+ to prevent rx overruns */ | |
1212 | txbuf_size = AR_9340_PCU_TXBUF_CTRL_USABLE_SIZE; | |
1213 | } else { | |
1214 | txbuf_size = AR_PCU_TXBUF_CTRL_USABLE_SIZE; | |
f1dc5600 | 1215 | } |
744d4025 | 1216 | |
86c157b3 FF |
1217 | if (!AR_SREV_9271(ah)) |
1218 | REG_WRITE(ah, AR_PCU_TXBUF_CTRL, txbuf_size); | |
1219 | ||
7d0d0df0 | 1220 | REGWRITE_BUFFER_FLUSH(ah); |
7d0d0df0 | 1221 | |
744d4025 VT |
1222 | if (AR_SREV_9300_20_OR_LATER(ah)) |
1223 | ath9k_hw_reset_txstatus_ring(ah); | |
f1dc5600 S |
1224 | } |
1225 | ||
cbe61d8a | 1226 | static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode) |
f1dc5600 | 1227 | { |
ca7a4deb FF |
1228 | u32 mask = AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC; |
1229 | u32 set = AR_STA_ID1_KSRCH_MODE; | |
f1dc5600 | 1230 | |
7b37e0d4 | 1231 | ENABLE_REG_RMW_BUFFER(ah); |
f1dc5600 | 1232 | switch (opmode) { |
d97809db | 1233 | case NL80211_IFTYPE_ADHOC: |
83322eb8 FF |
1234 | if (!AR_SREV_9340_13(ah)) { |
1235 | set |= AR_STA_ID1_ADHOC; | |
1236 | REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION); | |
1237 | break; | |
1238 | } | |
1239 | /* fall through */ | |
862a336c | 1240 | case NL80211_IFTYPE_OCB: |
2664d666 | 1241 | case NL80211_IFTYPE_MESH_POINT: |
ca7a4deb FF |
1242 | case NL80211_IFTYPE_AP: |
1243 | set |= AR_STA_ID1_STA_AP; | |
1244 | /* fall through */ | |
d97809db | 1245 | case NL80211_IFTYPE_STATION: |
ca7a4deb | 1246 | REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION); |
f078f209 | 1247 | break; |
5f841b41 | 1248 | default: |
ca7a4deb FF |
1249 | if (!ah->is_monitoring) |
1250 | set = 0; | |
5f841b41 | 1251 | break; |
f1dc5600 | 1252 | } |
ca7a4deb | 1253 | REG_RMW(ah, AR_STA_ID1, set, mask); |
7b37e0d4 | 1254 | REG_RMW_BUFFER_FLUSH(ah); |
f1dc5600 S |
1255 | } |
1256 | ||
8fe65368 LR |
1257 | void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled, |
1258 | u32 *coef_mantissa, u32 *coef_exponent) | |
f1dc5600 S |
1259 | { |
1260 | u32 coef_exp, coef_man; | |
1261 | ||
1262 | for (coef_exp = 31; coef_exp > 0; coef_exp--) | |
1263 | if ((coef_scaled >> coef_exp) & 0x1) | |
1264 | break; | |
1265 | ||
1266 | coef_exp = 14 - (coef_exp - COEF_SCALE_S); | |
1267 | ||
1268 | coef_man = coef_scaled + (1 << (COEF_SCALE_S - coef_exp - 1)); | |
1269 | ||
1270 | *coef_mantissa = coef_man >> (COEF_SCALE_S - coef_exp); | |
1271 | *coef_exponent = coef_exp - 16; | |
1272 | } | |
1273 | ||
d7df7a55 SM |
1274 | /* AR9330 WAR: |
1275 | * call external reset function to reset WMAC if: | |
1276 | * - doing a cold reset | |
1277 | * - we have pending frames in the TX queues. | |
1278 | */ | |
1279 | static bool ath9k_hw_ar9330_reset_war(struct ath_hw *ah, int type) | |
1280 | { | |
1281 | int i, npend = 0; | |
1282 | ||
1283 | for (i = 0; i < AR_NUM_QCU; i++) { | |
1284 | npend = ath9k_hw_numtxpending(ah, i); | |
1285 | if (npend) | |
1286 | break; | |
1287 | } | |
1288 | ||
1289 | if (ah->external_reset && | |
1290 | (npend || type == ATH9K_RESET_COLD)) { | |
1291 | int reset_err = 0; | |
1292 | ||
1293 | ath_dbg(ath9k_hw_common(ah), RESET, | |
1294 | "reset MAC via external reset\n"); | |
1295 | ||
1296 | reset_err = ah->external_reset(); | |
1297 | if (reset_err) { | |
1298 | ath_err(ath9k_hw_common(ah), | |
1299 | "External reset failed, err=%d\n", | |
1300 | reset_err); | |
1301 | return false; | |
1302 | } | |
1303 | ||
1304 | REG_WRITE(ah, AR_RTC_RESET, 1); | |
1305 | } | |
1306 | ||
1307 | return true; | |
1308 | } | |
1309 | ||
cbe61d8a | 1310 | static bool ath9k_hw_set_reset(struct ath_hw *ah, int type) |
f1dc5600 S |
1311 | { |
1312 | u32 rst_flags; | |
1313 | u32 tmpReg; | |
1314 | ||
70768496 | 1315 | if (AR_SREV_9100(ah)) { |
ca7a4deb FF |
1316 | REG_RMW_FIELD(ah, AR_RTC_DERIVED_CLK, |
1317 | AR_RTC_DERIVED_CLK_PERIOD, 1); | |
70768496 S |
1318 | (void)REG_READ(ah, AR_RTC_DERIVED_CLK); |
1319 | } | |
1320 | ||
7d0d0df0 S |
1321 | ENABLE_REGWRITE_BUFFER(ah); |
1322 | ||
9a658d2b LR |
1323 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
1324 | REG_WRITE(ah, AR_WA, ah->WARegVal); | |
1325 | udelay(10); | |
1326 | } | |
1327 | ||
f1dc5600 S |
1328 | REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN | |
1329 | AR_RTC_FORCE_WAKE_ON_INT); | |
1330 | ||
1331 | if (AR_SREV_9100(ah)) { | |
1332 | rst_flags = AR_RTC_RC_MAC_WARM | AR_RTC_RC_MAC_COLD | | |
1333 | AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET; | |
1334 | } else { | |
1335 | tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE); | |
a37a9910 FF |
1336 | if (AR_SREV_9340(ah)) |
1337 | tmpReg &= AR9340_INTR_SYNC_LOCAL_TIMEOUT; | |
1338 | else | |
1339 | tmpReg &= AR_INTR_SYNC_LOCAL_TIMEOUT | | |
1340 | AR_INTR_SYNC_RADM_CPL_TIMEOUT; | |
1341 | ||
1342 | if (tmpReg) { | |
42d5bc3f | 1343 | u32 val; |
f1dc5600 | 1344 | REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0); |
42d5bc3f LR |
1345 | |
1346 | val = AR_RC_HOSTIF; | |
1347 | if (!AR_SREV_9300_20_OR_LATER(ah)) | |
1348 | val |= AR_RC_AHB; | |
1349 | REG_WRITE(ah, AR_RC, val); | |
1350 | ||
1351 | } else if (!AR_SREV_9300_20_OR_LATER(ah)) | |
f1dc5600 | 1352 | REG_WRITE(ah, AR_RC, AR_RC_AHB); |
f1dc5600 S |
1353 | |
1354 | rst_flags = AR_RTC_RC_MAC_WARM; | |
1355 | if (type == ATH9K_RESET_COLD) | |
1356 | rst_flags |= AR_RTC_RC_MAC_COLD; | |
1357 | } | |
1358 | ||
7d95847c | 1359 | if (AR_SREV_9330(ah)) { |
d7df7a55 SM |
1360 | if (!ath9k_hw_ar9330_reset_war(ah, type)) |
1361 | return false; | |
7d95847c GJ |
1362 | } |
1363 | ||
3863495b | 1364 | if (ath9k_hw_mci_is_enabled(ah)) |
506847ad | 1365 | ar9003_mci_check_gpm_offset(ah); |
3863495b | 1366 | |
466b0f02 MP |
1367 | /* DMA HALT added to resolve ar9300 and ar9580 bus error during |
1368 | * RTC_RC reg read | |
1369 | */ | |
1370 | if (AR_SREV_9300(ah) || AR_SREV_9580(ah)) { | |
1371 | REG_SET_BIT(ah, AR_CFG, AR_CFG_HALT_REQ); | |
1372 | ath9k_hw_wait(ah, AR_CFG, AR_CFG_HALT_ACK, AR_CFG_HALT_ACK, | |
1373 | 20 * AH_WAIT_TIMEOUT); | |
1374 | REG_CLR_BIT(ah, AR_CFG, AR_CFG_HALT_REQ); | |
1375 | } | |
1376 | ||
d03a66c1 | 1377 | REG_WRITE(ah, AR_RTC_RC, rst_flags); |
7d0d0df0 S |
1378 | |
1379 | REGWRITE_BUFFER_FLUSH(ah); | |
7d0d0df0 | 1380 | |
4dc78c43 SM |
1381 | if (AR_SREV_9300_20_OR_LATER(ah)) |
1382 | udelay(50); | |
1383 | else if (AR_SREV_9100(ah)) | |
3683a07b | 1384 | mdelay(10); |
4dc78c43 SM |
1385 | else |
1386 | udelay(100); | |
f1dc5600 | 1387 | |
d03a66c1 | 1388 | REG_WRITE(ah, AR_RTC_RC, 0); |
0caa7b14 | 1389 | if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) { |
d2182b69 | 1390 | ath_dbg(ath9k_hw_common(ah), RESET, "RTC stuck in MAC reset\n"); |
f1dc5600 S |
1391 | return false; |
1392 | } | |
1393 | ||
1394 | if (!AR_SREV_9100(ah)) | |
1395 | REG_WRITE(ah, AR_RC, 0); | |
1396 | ||
f1dc5600 S |
1397 | if (AR_SREV_9100(ah)) |
1398 | udelay(50); | |
1399 | ||
1400 | return true; | |
1401 | } | |
1402 | ||
cbe61d8a | 1403 | static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah) |
f1dc5600 | 1404 | { |
7d0d0df0 S |
1405 | ENABLE_REGWRITE_BUFFER(ah); |
1406 | ||
9a658d2b LR |
1407 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
1408 | REG_WRITE(ah, AR_WA, ah->WARegVal); | |
1409 | udelay(10); | |
1410 | } | |
1411 | ||
f1dc5600 S |
1412 | REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN | |
1413 | AR_RTC_FORCE_WAKE_ON_INT); | |
1414 | ||
42d5bc3f | 1415 | if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) |
1c29ce67 VT |
1416 | REG_WRITE(ah, AR_RC, AR_RC_AHB); |
1417 | ||
d03a66c1 | 1418 | REG_WRITE(ah, AR_RTC_RESET, 0); |
1c29ce67 | 1419 | |
7d0d0df0 | 1420 | REGWRITE_BUFFER_FLUSH(ah); |
7d0d0df0 | 1421 | |
afe36533 | 1422 | udelay(2); |
84e2169b SB |
1423 | |
1424 | if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) | |
1c29ce67 VT |
1425 | REG_WRITE(ah, AR_RC, 0); |
1426 | ||
d03a66c1 | 1427 | REG_WRITE(ah, AR_RTC_RESET, 1); |
f1dc5600 S |
1428 | |
1429 | if (!ath9k_hw_wait(ah, | |
1430 | AR_RTC_STATUS, | |
1431 | AR_RTC_STATUS_M, | |
0caa7b14 S |
1432 | AR_RTC_STATUS_ON, |
1433 | AH_WAIT_TIMEOUT)) { | |
d2182b69 | 1434 | ath_dbg(ath9k_hw_common(ah), RESET, "RTC not waking up\n"); |
f1dc5600 | 1435 | return false; |
f078f209 LR |
1436 | } |
1437 | ||
f1dc5600 S |
1438 | return ath9k_hw_set_reset(ah, ATH9K_RESET_WARM); |
1439 | } | |
1440 | ||
cbe61d8a | 1441 | static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type) |
f1dc5600 | 1442 | { |
7a9233ff | 1443 | bool ret = false; |
2577c6e8 | 1444 | |
9a658d2b LR |
1445 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
1446 | REG_WRITE(ah, AR_WA, ah->WARegVal); | |
1447 | udelay(10); | |
1448 | } | |
1449 | ||
f1dc5600 S |
1450 | REG_WRITE(ah, AR_RTC_FORCE_WAKE, |
1451 | AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT); | |
1452 | ||
ceb26a60 FF |
1453 | if (!ah->reset_power_on) |
1454 | type = ATH9K_RESET_POWER_ON; | |
1455 | ||
f1dc5600 S |
1456 | switch (type) { |
1457 | case ATH9K_RESET_POWER_ON: | |
7a9233ff | 1458 | ret = ath9k_hw_set_reset_power_on(ah); |
da8fb123 | 1459 | if (ret) |
ceb26a60 | 1460 | ah->reset_power_on = true; |
7a9233ff | 1461 | break; |
f1dc5600 S |
1462 | case ATH9K_RESET_WARM: |
1463 | case ATH9K_RESET_COLD: | |
7a9233ff MSS |
1464 | ret = ath9k_hw_set_reset(ah, type); |
1465 | break; | |
f1dc5600 | 1466 | default: |
7a9233ff | 1467 | break; |
f1dc5600 | 1468 | } |
7a9233ff | 1469 | |
7a9233ff | 1470 | return ret; |
f078f209 LR |
1471 | } |
1472 | ||
cbe61d8a | 1473 | static bool ath9k_hw_chip_reset(struct ath_hw *ah, |
f1dc5600 | 1474 | struct ath9k_channel *chan) |
f078f209 | 1475 | { |
9c083af8 FF |
1476 | int reset_type = ATH9K_RESET_WARM; |
1477 | ||
1478 | if (AR_SREV_9280(ah)) { | |
1479 | if (ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) | |
1480 | reset_type = ATH9K_RESET_POWER_ON; | |
1481 | else | |
1482 | reset_type = ATH9K_RESET_COLD; | |
3412f2f0 FF |
1483 | } else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) || |
1484 | (REG_READ(ah, AR_CR) & AR_CR_RXE)) | |
1485 | reset_type = ATH9K_RESET_COLD; | |
9c083af8 FF |
1486 | |
1487 | if (!ath9k_hw_set_reset_reg(ah, reset_type)) | |
f1dc5600 | 1488 | return false; |
f078f209 | 1489 | |
9ecdef4b | 1490 | if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) |
f1dc5600 | 1491 | return false; |
f078f209 | 1492 | |
2660b81a | 1493 | ah->chip_fullsleep = false; |
bfc441a4 FF |
1494 | |
1495 | if (AR_SREV_9330(ah)) | |
1496 | ar9003_hw_internal_regulator_apply(ah); | |
f1dc5600 | 1497 | ath9k_hw_init_pll(ah, chan); |
f078f209 | 1498 | |
f1dc5600 | 1499 | return true; |
f078f209 LR |
1500 | } |
1501 | ||
cbe61d8a | 1502 | static bool ath9k_hw_channel_change(struct ath_hw *ah, |
25c56eec | 1503 | struct ath9k_channel *chan) |
f078f209 | 1504 | { |
c46917bb | 1505 | struct ath_common *common = ath9k_hw_common(ah); |
b840cffe SM |
1506 | struct ath9k_hw_capabilities *pCap = &ah->caps; |
1507 | bool band_switch = false, mode_diff = false; | |
70e89a71 | 1508 | u8 ini_reloaded = 0; |
8fe65368 | 1509 | u32 qnum; |
0a3b7bac | 1510 | int r; |
5f0c04ea | 1511 | |
b840cffe | 1512 | if (pCap->hw_caps & ATH9K_HW_CAP_FCC_BAND_SWITCH) { |
af02efb3 FF |
1513 | u32 flags_diff = chan->channelFlags ^ ah->curchan->channelFlags; |
1514 | band_switch = !!(flags_diff & CHANNEL_5GHZ); | |
1515 | mode_diff = !!(flags_diff & ~CHANNEL_HT); | |
b840cffe | 1516 | } |
f078f209 LR |
1517 | |
1518 | for (qnum = 0; qnum < AR_NUM_QCU; qnum++) { | |
1519 | if (ath9k_hw_numtxpending(ah, qnum)) { | |
d2182b69 | 1520 | ath_dbg(common, QUEUE, |
226afe68 | 1521 | "Transmit frames pending on queue %d\n", qnum); |
f078f209 LR |
1522 | return false; |
1523 | } | |
1524 | } | |
1525 | ||
8fe65368 | 1526 | if (!ath9k_hw_rfbus_req(ah)) { |
3800276a | 1527 | ath_err(common, "Could not kill baseband RX\n"); |
f078f209 LR |
1528 | return false; |
1529 | } | |
1530 | ||
b840cffe | 1531 | if (band_switch || mode_diff) { |
5f0c04ea RM |
1532 | ath9k_hw_mark_phy_inactive(ah); |
1533 | udelay(5); | |
1534 | ||
5f35c0fa SM |
1535 | if (band_switch) |
1536 | ath9k_hw_init_pll(ah, chan); | |
5f0c04ea RM |
1537 | |
1538 | if (ath9k_hw_fast_chan_change(ah, chan, &ini_reloaded)) { | |
1539 | ath_err(common, "Failed to do fast channel change\n"); | |
1540 | return false; | |
1541 | } | |
1542 | } | |
1543 | ||
8fe65368 | 1544 | ath9k_hw_set_channel_regs(ah, chan); |
f078f209 | 1545 | |
8fe65368 | 1546 | r = ath9k_hw_rf_set_freq(ah, chan); |
0a3b7bac | 1547 | if (r) { |
3800276a | 1548 | ath_err(common, "Failed to set channel\n"); |
0a3b7bac | 1549 | return false; |
f078f209 | 1550 | } |
dfdac8ac | 1551 | ath9k_hw_set_clockrate(ah); |
64ea57d0 | 1552 | ath9k_hw_apply_txpower(ah, chan, false); |
f078f209 | 1553 | |
81c507a8 | 1554 | ath9k_hw_set_delta_slope(ah, chan); |
8fe65368 | 1555 | ath9k_hw_spur_mitigate_freq(ah, chan); |
f1dc5600 | 1556 | |
70e89a71 SM |
1557 | if (band_switch || ini_reloaded) |
1558 | ah->eep_ops->set_board_values(ah, chan); | |
5f0c04ea | 1559 | |
70e89a71 SM |
1560 | ath9k_hw_init_bb(ah, chan); |
1561 | ath9k_hw_rfbus_done(ah); | |
5f0c04ea | 1562 | |
70e89a71 SM |
1563 | if (band_switch || ini_reloaded) { |
1564 | ah->ah_flags |= AH_FASTCC; | |
1565 | ath9k_hw_init_cal(ah, chan); | |
a126ff51 | 1566 | ah->ah_flags &= ~AH_FASTCC; |
5f0c04ea RM |
1567 | } |
1568 | ||
f1dc5600 S |
1569 | return true; |
1570 | } | |
1571 | ||
691680b8 FF |
1572 | static void ath9k_hw_apply_gpio_override(struct ath_hw *ah) |
1573 | { | |
1574 | u32 gpio_mask = ah->gpio_mask; | |
1575 | int i; | |
1576 | ||
1577 | for (i = 0; gpio_mask; i++, gpio_mask >>= 1) { | |
1578 | if (!(gpio_mask & 1)) | |
1579 | continue; | |
1580 | ||
b2d70d49 MP |
1581 | ath9k_hw_gpio_request_out(ah, i, NULL, |
1582 | AR_GPIO_OUTPUT_MUX_AS_OUTPUT); | |
691680b8 | 1583 | ath9k_hw_set_gpio(ah, i, !!(ah->gpio_val & BIT(i))); |
db222190 | 1584 | ath9k_hw_gpio_free(ah, i); |
691680b8 FF |
1585 | } |
1586 | } | |
1587 | ||
1e516ca7 SM |
1588 | void ath9k_hw_check_nav(struct ath_hw *ah) |
1589 | { | |
1590 | struct ath_common *common = ath9k_hw_common(ah); | |
1591 | u32 val; | |
1592 | ||
1593 | val = REG_READ(ah, AR_NAV); | |
1594 | if (val != 0xdeadbeef && val > 0x7fff) { | |
1595 | ath_dbg(common, BSTUCK, "Abnormal NAV: 0x%x\n", val); | |
1596 | REG_WRITE(ah, AR_NAV, 0); | |
1597 | } | |
1598 | } | |
1599 | EXPORT_SYMBOL(ath9k_hw_check_nav); | |
1600 | ||
c9c99e5e | 1601 | bool ath9k_hw_check_alive(struct ath_hw *ah) |
3b319aae | 1602 | { |
c9c99e5e | 1603 | int count = 50; |
d31a36a6 | 1604 | u32 reg, last_val; |
c9c99e5e | 1605 | |
01e18918 RM |
1606 | if (AR_SREV_9300(ah)) |
1607 | return !ath9k_hw_detect_mac_hang(ah); | |
1608 | ||
e17f83ea | 1609 | if (AR_SREV_9285_12_OR_LATER(ah)) |
c9c99e5e FF |
1610 | return true; |
1611 | ||
d31a36a6 | 1612 | last_val = REG_READ(ah, AR_OBS_BUS_1); |
c9c99e5e FF |
1613 | do { |
1614 | reg = REG_READ(ah, AR_OBS_BUS_1); | |
d31a36a6 FF |
1615 | if (reg != last_val) |
1616 | return true; | |
3b319aae | 1617 | |
105ff411 | 1618 | udelay(1); |
d31a36a6 | 1619 | last_val = reg; |
c9c99e5e FF |
1620 | if ((reg & 0x7E7FFFEF) == 0x00702400) |
1621 | continue; | |
1622 | ||
1623 | switch (reg & 0x7E000B00) { | |
1624 | case 0x1E000000: | |
1625 | case 0x52000B00: | |
1626 | case 0x18000B00: | |
1627 | continue; | |
1628 | default: | |
1629 | return true; | |
1630 | } | |
1631 | } while (count-- > 0); | |
3b319aae | 1632 | |
c9c99e5e | 1633 | return false; |
3b319aae | 1634 | } |
c9c99e5e | 1635 | EXPORT_SYMBOL(ath9k_hw_check_alive); |
3b319aae | 1636 | |
15d2b585 SM |
1637 | static void ath9k_hw_init_mfp(struct ath_hw *ah) |
1638 | { | |
1639 | /* Setup MFP options for CCMP */ | |
1640 | if (AR_SREV_9280_20_OR_LATER(ah)) { | |
1641 | /* Mask Retry(b11), PwrMgt(b12), MoreData(b13) to 0 in mgmt | |
1642 | * frames when constructing CCMP AAD. */ | |
1643 | REG_RMW_FIELD(ah, AR_AES_MUTE_MASK1, AR_AES_MUTE_MASK1_FC_MGMT, | |
1644 | 0xc7ff); | |
60fc4962 CYY |
1645 | if (AR_SREV_9271(ah) || AR_DEVID_7010(ah)) |
1646 | ah->sw_mgmt_crypto_tx = true; | |
1647 | else | |
1648 | ah->sw_mgmt_crypto_tx = false; | |
e6510b11 | 1649 | ah->sw_mgmt_crypto_rx = false; |
15d2b585 SM |
1650 | } else if (AR_SREV_9160_10_OR_LATER(ah)) { |
1651 | /* Disable hardware crypto for management frames */ | |
1652 | REG_CLR_BIT(ah, AR_PCU_MISC_MODE2, | |
1653 | AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE); | |
1654 | REG_SET_BIT(ah, AR_PCU_MISC_MODE2, | |
1655 | AR_PCU_MISC_MODE2_NO_CRYPTO_FOR_NON_DATA_PKT); | |
e6510b11 CYY |
1656 | ah->sw_mgmt_crypto_tx = true; |
1657 | ah->sw_mgmt_crypto_rx = true; | |
15d2b585 | 1658 | } else { |
e6510b11 CYY |
1659 | ah->sw_mgmt_crypto_tx = true; |
1660 | ah->sw_mgmt_crypto_rx = true; | |
15d2b585 SM |
1661 | } |
1662 | } | |
1663 | ||
1664 | static void ath9k_hw_reset_opmode(struct ath_hw *ah, | |
1665 | u32 macStaId1, u32 saveDefAntenna) | |
1666 | { | |
1667 | struct ath_common *common = ath9k_hw_common(ah); | |
1668 | ||
1669 | ENABLE_REGWRITE_BUFFER(ah); | |
1670 | ||
ecbbed32 | 1671 | REG_RMW(ah, AR_STA_ID1, macStaId1 |
15d2b585 | 1672 | | AR_STA_ID1_RTS_USE_DEF |
ecbbed32 FF |
1673 | | ah->sta_id1_defaults, |
1674 | ~AR_STA_ID1_SADH_MASK); | |
15d2b585 SM |
1675 | ath_hw_setbssidmask(common); |
1676 | REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna); | |
1677 | ath9k_hw_write_associd(ah); | |
1678 | REG_WRITE(ah, AR_ISR, ~0); | |
1679 | REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR); | |
1680 | ||
1681 | REGWRITE_BUFFER_FLUSH(ah); | |
1682 | ||
1683 | ath9k_hw_set_operating_mode(ah, ah->opmode); | |
1684 | } | |
1685 | ||
1686 | static void ath9k_hw_init_queues(struct ath_hw *ah) | |
1687 | { | |
1688 | int i; | |
1689 | ||
1690 | ENABLE_REGWRITE_BUFFER(ah); | |
1691 | ||
1692 | for (i = 0; i < AR_NUM_DCU; i++) | |
1693 | REG_WRITE(ah, AR_DQCUMASK(i), 1 << i); | |
1694 | ||
1695 | REGWRITE_BUFFER_FLUSH(ah); | |
1696 | ||
1697 | ah->intr_txqs = 0; | |
1698 | for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) | |
1699 | ath9k_hw_resettxqueue(ah, i); | |
1700 | } | |
1701 | ||
1702 | /* | |
1703 | * For big endian systems turn on swapping for descriptors | |
1704 | */ | |
1705 | static void ath9k_hw_init_desc(struct ath_hw *ah) | |
1706 | { | |
1707 | struct ath_common *common = ath9k_hw_common(ah); | |
1708 | ||
1709 | if (AR_SREV_9100(ah)) { | |
1710 | u32 mask; | |
1711 | mask = REG_READ(ah, AR_CFG); | |
1712 | if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) { | |
1713 | ath_dbg(common, RESET, "CFG Byte Swap Set 0x%x\n", | |
1714 | mask); | |
1715 | } else { | |
1716 | mask = INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB; | |
1717 | REG_WRITE(ah, AR_CFG, mask); | |
1718 | ath_dbg(common, RESET, "Setting CFG 0x%x\n", | |
1719 | REG_READ(ah, AR_CFG)); | |
1720 | } | |
1721 | } else { | |
1722 | if (common->bus_ops->ath_bus_type == ATH_USB) { | |
1723 | /* Configure AR9271 target WLAN */ | |
1724 | if (AR_SREV_9271(ah)) | |
1725 | REG_WRITE(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB); | |
1726 | else | |
1727 | REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD); | |
1728 | } | |
1729 | #ifdef __BIG_ENDIAN | |
1730 | else if (AR_SREV_9330(ah) || AR_SREV_9340(ah) || | |
ede6a5e7 MP |
1731 | AR_SREV_9550(ah) || AR_SREV_9531(ah) || |
1732 | AR_SREV_9561(ah)) | |
15d2b585 SM |
1733 | REG_RMW(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB, 0); |
1734 | else | |
1735 | REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD); | |
1736 | #endif | |
1737 | } | |
1738 | } | |
1739 | ||
caed6579 SM |
1740 | /* |
1741 | * Fast channel change: | |
1742 | * (Change synthesizer based on channel freq without resetting chip) | |
caed6579 SM |
1743 | */ |
1744 | static int ath9k_hw_do_fastcc(struct ath_hw *ah, struct ath9k_channel *chan) | |
1745 | { | |
1746 | struct ath_common *common = ath9k_hw_common(ah); | |
b840cffe | 1747 | struct ath9k_hw_capabilities *pCap = &ah->caps; |
caed6579 SM |
1748 | int ret; |
1749 | ||
1750 | if (AR_SREV_9280(ah) && common->bus_ops->ath_bus_type == ATH_PCI) | |
1751 | goto fail; | |
1752 | ||
1753 | if (ah->chip_fullsleep) | |
1754 | goto fail; | |
1755 | ||
1756 | if (!ah->curchan) | |
1757 | goto fail; | |
1758 | ||
1759 | if (chan->channel == ah->curchan->channel) | |
1760 | goto fail; | |
1761 | ||
feb7bc99 FF |
1762 | if ((ah->curchan->channelFlags | chan->channelFlags) & |
1763 | (CHANNEL_HALF | CHANNEL_QUARTER)) | |
1764 | goto fail; | |
1765 | ||
b840cffe | 1766 | /* |
6b21fd20 | 1767 | * If cross-band fcc is not supoprted, bail out if channelFlags differ. |
b840cffe | 1768 | */ |
6b21fd20 | 1769 | if (!(pCap->hw_caps & ATH9K_HW_CAP_FCC_BAND_SWITCH) && |
af02efb3 | 1770 | ((chan->channelFlags ^ ah->curchan->channelFlags) & ~CHANNEL_HT)) |
6b21fd20 | 1771 | goto fail; |
caed6579 SM |
1772 | |
1773 | if (!ath9k_hw_check_alive(ah)) | |
1774 | goto fail; | |
1775 | ||
1776 | /* | |
1777 | * For AR9462, make sure that calibration data for | |
1778 | * re-using are present. | |
1779 | */ | |
8a90555f | 1780 | if (AR_SREV_9462(ah) && (ah->caldata && |
4b9b42bf SM |
1781 | (!test_bit(TXIQCAL_DONE, &ah->caldata->cal_flags) || |
1782 | !test_bit(TXCLCAL_DONE, &ah->caldata->cal_flags) || | |
1783 | !test_bit(RTT_DONE, &ah->caldata->cal_flags)))) | |
caed6579 SM |
1784 | goto fail; |
1785 | ||
1786 | ath_dbg(common, RESET, "FastChannelChange for %d -> %d\n", | |
1787 | ah->curchan->channel, chan->channel); | |
1788 | ||
1789 | ret = ath9k_hw_channel_change(ah, chan); | |
1790 | if (!ret) | |
1791 | goto fail; | |
1792 | ||
5955b2b0 | 1793 | if (ath9k_hw_mci_is_enabled(ah)) |
1bde95fa | 1794 | ar9003_mci_2g5g_switch(ah, false); |
caed6579 | 1795 | |
88033318 RM |
1796 | ath9k_hw_loadnf(ah, ah->curchan); |
1797 | ath9k_hw_start_nfcal(ah, true); | |
1798 | ||
caed6579 SM |
1799 | if (AR_SREV_9271(ah)) |
1800 | ar9002_hw_load_ani_reg(ah, chan); | |
1801 | ||
1802 | return 0; | |
1803 | fail: | |
1804 | return -EINVAL; | |
1805 | } | |
1806 | ||
8d7e09dd FF |
1807 | u32 ath9k_hw_get_tsf_offset(struct timespec *last, struct timespec *cur) |
1808 | { | |
1809 | struct timespec ts; | |
1810 | s64 usec; | |
1811 | ||
1812 | if (!cur) { | |
1813 | getrawmonotonic(&ts); | |
1814 | cur = &ts; | |
1815 | } | |
1816 | ||
1817 | usec = cur->tv_sec * 1000000ULL + cur->tv_nsec / 1000; | |
1818 | usec -= last->tv_sec * 1000000ULL + last->tv_nsec / 1000; | |
1819 | ||
1820 | return (u32) usec; | |
1821 | } | |
1822 | EXPORT_SYMBOL(ath9k_hw_get_tsf_offset); | |
1823 | ||
cbe61d8a | 1824 | int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, |
caed6579 | 1825 | struct ath9k_hw_cal_data *caldata, bool fastcc) |
f078f209 | 1826 | { |
1510718d | 1827 | struct ath_common *common = ath9k_hw_common(ah); |
f078f209 | 1828 | u32 saveLedState; |
f078f209 LR |
1829 | u32 saveDefAntenna; |
1830 | u32 macStaId1; | |
bec9a94b BB |
1831 | struct timespec tsf_ts; |
1832 | u32 tsf_offset; | |
46fe782c | 1833 | u64 tsf = 0; |
15d2b585 | 1834 | int r; |
caed6579 | 1835 | bool start_mci_reset = false; |
63d32967 MSS |
1836 | bool save_fullsleep = ah->chip_fullsleep; |
1837 | ||
5955b2b0 | 1838 | if (ath9k_hw_mci_is_enabled(ah)) { |
528e5d36 SM |
1839 | start_mci_reset = ar9003_mci_start_reset(ah, chan); |
1840 | if (start_mci_reset) | |
1841 | return 0; | |
63d32967 MSS |
1842 | } |
1843 | ||
9ecdef4b | 1844 | if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) |
ae8d2858 | 1845 | return -EIO; |
f078f209 | 1846 | |
caed6579 SM |
1847 | if (ah->curchan && !ah->chip_fullsleep) |
1848 | ath9k_hw_getnf(ah, ah->curchan); | |
f078f209 | 1849 | |
20bd2a09 | 1850 | ah->caldata = caldata; |
fcb9a3de | 1851 | if (caldata && (chan->channel != caldata->channel || |
6b21fd20 | 1852 | chan->channelFlags != caldata->channelFlags)) { |
20bd2a09 FF |
1853 | /* Operating channel changed, reset channel calibration data */ |
1854 | memset(caldata, 0, sizeof(*caldata)); | |
1855 | ath9k_init_nfcal_hist_buffer(ah, chan); | |
51dea9be | 1856 | } else if (caldata) { |
4b9b42bf | 1857 | clear_bit(PAPRD_PACKET_SENT, &caldata->cal_flags); |
20bd2a09 | 1858 | } |
5bc225ac | 1859 | ah->noise = ath9k_hw_getchan_noise(ah, chan, chan->noisefloor); |
20bd2a09 | 1860 | |
caed6579 SM |
1861 | if (fastcc) { |
1862 | r = ath9k_hw_do_fastcc(ah, chan); | |
1863 | if (!r) | |
1864 | return r; | |
f078f209 LR |
1865 | } |
1866 | ||
5955b2b0 | 1867 | if (ath9k_hw_mci_is_enabled(ah)) |
528e5d36 | 1868 | ar9003_mci_stop_bt(ah, save_fullsleep); |
63d32967 | 1869 | |
f078f209 LR |
1870 | saveDefAntenna = REG_READ(ah, AR_DEF_ANTENNA); |
1871 | if (saveDefAntenna == 0) | |
1872 | saveDefAntenna = 1; | |
1873 | ||
1874 | macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B; | |
1875 | ||
09d8e315 | 1876 | /* Save TSF before chip reset, a cold reset clears it */ |
bec9a94b | 1877 | getrawmonotonic(&tsf_ts); |
09d8e315 | 1878 | tsf = ath9k_hw_gettsf64(ah); |
46fe782c | 1879 | |
f078f209 LR |
1880 | saveLedState = REG_READ(ah, AR_CFG_LED) & |
1881 | (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL | | |
1882 | AR_CFG_LED_BLINK_THRESH_SEL | AR_CFG_LED_BLINK_SLOW); | |
1883 | ||
1884 | ath9k_hw_mark_phy_inactive(ah); | |
1885 | ||
45ef6a0b VT |
1886 | ah->paprd_table_write_done = false; |
1887 | ||
05020d23 | 1888 | /* Only required on the first reset */ |
d7e7d229 LR |
1889 | if (AR_SREV_9271(ah) && ah->htc_reset_init) { |
1890 | REG_WRITE(ah, | |
1891 | AR9271_RESET_POWER_DOWN_CONTROL, | |
1892 | AR9271_RADIO_RF_RST); | |
1893 | udelay(50); | |
1894 | } | |
1895 | ||
f078f209 | 1896 | if (!ath9k_hw_chip_reset(ah, chan)) { |
3800276a | 1897 | ath_err(common, "Chip reset failed\n"); |
ae8d2858 | 1898 | return -EINVAL; |
f078f209 LR |
1899 | } |
1900 | ||
05020d23 | 1901 | /* Only required on the first reset */ |
d7e7d229 LR |
1902 | if (AR_SREV_9271(ah) && ah->htc_reset_init) { |
1903 | ah->htc_reset_init = false; | |
1904 | REG_WRITE(ah, | |
1905 | AR9271_RESET_POWER_DOWN_CONTROL, | |
1906 | AR9271_GATE_MAC_CTL); | |
1907 | udelay(50); | |
1908 | } | |
1909 | ||
46fe782c | 1910 | /* Restore TSF */ |
bec9a94b BB |
1911 | tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL); |
1912 | ath9k_hw_settsf64(ah, tsf + tsf_offset); | |
46fe782c | 1913 | |
7a37081e | 1914 | if (AR_SREV_9280_20_OR_LATER(ah)) |
369391db | 1915 | REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE); |
f078f209 | 1916 | |
e9141f71 S |
1917 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
1918 | ar9002_hw_enable_async_fifo(ah); | |
1919 | ||
25c56eec | 1920 | r = ath9k_hw_process_ini(ah, chan); |
ae8d2858 LR |
1921 | if (r) |
1922 | return r; | |
f078f209 | 1923 | |
935d00cc LB |
1924 | ath9k_hw_set_rfmode(ah, chan); |
1925 | ||
5955b2b0 | 1926 | if (ath9k_hw_mci_is_enabled(ah)) |
63d32967 MSS |
1927 | ar9003_mci_reset(ah, false, IS_CHAN_2GHZ(chan), save_fullsleep); |
1928 | ||
f860d526 FF |
1929 | /* |
1930 | * Some AR91xx SoC devices frequently fail to accept TSF writes | |
1931 | * right after the chip reset. When that happens, write a new | |
bec9a94b | 1932 | * value after the initvals have been applied. |
f860d526 FF |
1933 | */ |
1934 | if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) { | |
bec9a94b BB |
1935 | tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL); |
1936 | ath9k_hw_settsf64(ah, tsf + tsf_offset); | |
f860d526 FF |
1937 | } |
1938 | ||
15d2b585 | 1939 | ath9k_hw_init_mfp(ah); |
0ced0e17 | 1940 | |
81c507a8 | 1941 | ath9k_hw_set_delta_slope(ah, chan); |
8fe65368 | 1942 | ath9k_hw_spur_mitigate_freq(ah, chan); |
d6509151 | 1943 | ah->eep_ops->set_board_values(ah, chan); |
a7765828 | 1944 | |
15d2b585 | 1945 | ath9k_hw_reset_opmode(ah, macStaId1, saveDefAntenna); |
00e0003e | 1946 | |
8fe65368 | 1947 | r = ath9k_hw_rf_set_freq(ah, chan); |
0a3b7bac LR |
1948 | if (r) |
1949 | return r; | |
f078f209 | 1950 | |
dfdac8ac FF |
1951 | ath9k_hw_set_clockrate(ah); |
1952 | ||
15d2b585 | 1953 | ath9k_hw_init_queues(ah); |
2660b81a | 1954 | ath9k_hw_init_interrupt_masks(ah, ah->opmode); |
e36b27af | 1955 | ath9k_hw_ani_cache_ini_regs(ah); |
f078f209 LR |
1956 | ath9k_hw_init_qos(ah); |
1957 | ||
2660b81a | 1958 | if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT) |
b2d70d49 | 1959 | ath9k_hw_gpio_request_in(ah, ah->rfkill_gpio, "ath9k-rfkill"); |
3b319aae | 1960 | |
0005baf4 | 1961 | ath9k_hw_init_global_settings(ah); |
f078f209 | 1962 | |
fe2b6afb FF |
1963 | if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) { |
1964 | REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER, | |
1965 | AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768); | |
1966 | REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN, | |
1967 | AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL); | |
1968 | REG_SET_BIT(ah, AR_PCU_MISC_MODE2, | |
1969 | AR_PCU_MISC_MODE2_ENABLE_AGGWEP); | |
ac88b6ec VN |
1970 | } |
1971 | ||
ca7a4deb | 1972 | REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PRESERVE_SEQNUM); |
f078f209 LR |
1973 | |
1974 | ath9k_hw_set_dma(ah); | |
1975 | ||
ed6ebd8b RM |
1976 | if (!ath9k_hw_mci_is_enabled(ah)) |
1977 | REG_WRITE(ah, AR_OBS, 8); | |
f078f209 | 1978 | |
7b37e0d4 | 1979 | ENABLE_REG_RMW_BUFFER(ah); |
0ce024cb | 1980 | if (ah->config.rx_intr_mitigation) { |
a64e1a45 SM |
1981 | REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, ah->config.rimt_last); |
1982 | REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, ah->config.rimt_first); | |
f078f209 LR |
1983 | } |
1984 | ||
7f62a136 VT |
1985 | if (ah->config.tx_intr_mitigation) { |
1986 | REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_LAST, 300); | |
1987 | REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_FIRST, 750); | |
1988 | } | |
7b37e0d4 | 1989 | REG_RMW_BUFFER_FLUSH(ah); |
7f62a136 | 1990 | |
f078f209 LR |
1991 | ath9k_hw_init_bb(ah, chan); |
1992 | ||
77a5a664 | 1993 | if (caldata) { |
4b9b42bf SM |
1994 | clear_bit(TXIQCAL_DONE, &caldata->cal_flags); |
1995 | clear_bit(TXCLCAL_DONE, &caldata->cal_flags); | |
77a5a664 | 1996 | } |
ae8d2858 | 1997 | if (!ath9k_hw_init_cal(ah, chan)) |
6badaaf7 | 1998 | return -EIO; |
f078f209 | 1999 | |
5955b2b0 | 2000 | if (ath9k_hw_mci_is_enabled(ah) && ar9003_mci_end_reset(ah, chan, caldata)) |
528e5d36 | 2001 | return -EIO; |
63d32967 | 2002 | |
7d0d0df0 | 2003 | ENABLE_REGWRITE_BUFFER(ah); |
f078f209 | 2004 | |
8fe65368 | 2005 | ath9k_hw_restore_chainmask(ah); |
f078f209 LR |
2006 | REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ); |
2007 | ||
7d0d0df0 | 2008 | REGWRITE_BUFFER_FLUSH(ah); |
7d0d0df0 | 2009 | |
f4c34af4 SM |
2010 | ath9k_hw_gen_timer_start_tsf2(ah); |
2011 | ||
15d2b585 | 2012 | ath9k_hw_init_desc(ah); |
f078f209 | 2013 | |
dbccdd1d | 2014 | if (ath9k_hw_btcoex_is_enabled(ah)) |
42cc41ed VT |
2015 | ath9k_hw_btcoex_enable(ah); |
2016 | ||
5955b2b0 | 2017 | if (ath9k_hw_mci_is_enabled(ah)) |
528e5d36 | 2018 | ar9003_mci_check_bt(ah); |
63d32967 | 2019 | |
7b89fccf FF |
2020 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
2021 | ath9k_hw_loadnf(ah, chan); | |
2022 | ath9k_hw_start_nfcal(ah, true); | |
2023 | } | |
1fe860ed | 2024 | |
a7abaf7d | 2025 | if (AR_SREV_9300_20_OR_LATER(ah)) |
aea702b7 | 2026 | ar9003_hw_bb_watchdog_config(ah); |
a7abaf7d SM |
2027 | |
2028 | if (ah->config.hw_hang_checks & HW_PHYRESTART_CLC_WAR) | |
51ac8cbb | 2029 | ar9003_hw_disable_phy_restart(ah); |
51ac8cbb | 2030 | |
691680b8 FF |
2031 | ath9k_hw_apply_gpio_override(ah); |
2032 | ||
7bdea96a | 2033 | if (AR_SREV_9565(ah) && common->bt_ant_diversity) |
362cd03f SM |
2034 | REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV, AR_BTCOEX_WL_LNADIV_FORCE_ON); |
2035 | ||
4307b0fe LB |
2036 | if (ah->hw->conf.radar_enabled) { |
2037 | /* set HW specific DFS configuration */ | |
7a0a260a | 2038 | ah->radar_conf.ext_channel = IS_CHAN_HT40(chan); |
4307b0fe LB |
2039 | ath9k_hw_set_radar_params(ah); |
2040 | } | |
2041 | ||
ae8d2858 | 2042 | return 0; |
f078f209 | 2043 | } |
7322fd19 | 2044 | EXPORT_SYMBOL(ath9k_hw_reset); |
f078f209 | 2045 | |
f1dc5600 S |
2046 | /******************************/ |
2047 | /* Power Management (Chipset) */ | |
2048 | /******************************/ | |
2049 | ||
42d5bc3f LR |
2050 | /* |
2051 | * Notify Power Mgt is disabled in self-generated frames. | |
2052 | * If requested, force chip to sleep. | |
2053 | */ | |
31604cf0 | 2054 | static void ath9k_set_power_sleep(struct ath_hw *ah) |
f078f209 | 2055 | { |
f1dc5600 | 2056 | REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); |
2577c6e8 | 2057 | |
a4a2954f | 2058 | if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) { |
153dccd4 RM |
2059 | REG_CLR_BIT(ah, AR_TIMER_MODE, 0xff); |
2060 | REG_CLR_BIT(ah, AR_NDP2_TIMER_MODE, 0xff); | |
2061 | REG_CLR_BIT(ah, AR_SLP32_INC, 0xfffff); | |
31604cf0 SM |
2062 | /* xxx Required for WLAN only case ? */ |
2063 | REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, 0); | |
2064 | udelay(100); | |
2065 | } | |
2577c6e8 | 2066 | |
31604cf0 SM |
2067 | /* |
2068 | * Clear the RTC force wake bit to allow the | |
2069 | * mac to go to sleep. | |
2070 | */ | |
2071 | REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); | |
2072 | ||
153dccd4 | 2073 | if (ath9k_hw_mci_is_enabled(ah)) |
31604cf0 | 2074 | udelay(100); |
2577c6e8 | 2075 | |
31604cf0 SM |
2076 | if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) |
2077 | REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF); | |
f078f209 | 2078 | |
31604cf0 SM |
2079 | /* Shutdown chip. Active low */ |
2080 | if (!AR_SREV_5416(ah) && !AR_SREV_9271(ah)) { | |
2081 | REG_CLR_BIT(ah, AR_RTC_RESET, AR_RTC_RESET_EN); | |
2082 | udelay(2); | |
f1dc5600 | 2083 | } |
9a658d2b LR |
2084 | |
2085 | /* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */ | |
a7322812 RW |
2086 | if (AR_SREV_9300_20_OR_LATER(ah)) |
2087 | REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE); | |
f078f209 LR |
2088 | } |
2089 | ||
bbd79af5 LR |
2090 | /* |
2091 | * Notify Power Management is enabled in self-generating | |
2092 | * frames. If request, set power mode of chip to | |
2093 | * auto/normal. Duration in units of 128us (1/8 TU). | |
2094 | */ | |
31604cf0 | 2095 | static void ath9k_set_power_network_sleep(struct ath_hw *ah) |
f078f209 | 2096 | { |
31604cf0 | 2097 | struct ath9k_hw_capabilities *pCap = &ah->caps; |
2577c6e8 | 2098 | |
f1dc5600 | 2099 | REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); |
f078f209 | 2100 | |
31604cf0 SM |
2101 | if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) { |
2102 | /* Set WakeOnInterrupt bit; clear ForceWake bit */ | |
2103 | REG_WRITE(ah, AR_RTC_FORCE_WAKE, | |
2104 | AR_RTC_FORCE_WAKE_ON_INT); | |
2105 | } else { | |
2577c6e8 | 2106 | |
31604cf0 SM |
2107 | /* When chip goes into network sleep, it could be waken |
2108 | * up by MCI_INT interrupt caused by BT's HW messages | |
2109 | * (LNA_xxx, CONT_xxx) which chould be in a very fast | |
2110 | * rate (~100us). This will cause chip to leave and | |
2111 | * re-enter network sleep mode frequently, which in | |
2112 | * consequence will have WLAN MCI HW to generate lots of | |
2113 | * SYS_WAKING and SYS_SLEEPING messages which will make | |
2114 | * BT CPU to busy to process. | |
2115 | */ | |
153dccd4 RM |
2116 | if (ath9k_hw_mci_is_enabled(ah)) |
2117 | REG_CLR_BIT(ah, AR_MCI_INTERRUPT_RX_MSG_EN, | |
2118 | AR_MCI_INTERRUPT_RX_HW_MSG_MASK); | |
31604cf0 SM |
2119 | /* |
2120 | * Clear the RTC force wake bit to allow the | |
2121 | * mac to go to sleep. | |
2122 | */ | |
153dccd4 | 2123 | REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); |
31604cf0 | 2124 | |
153dccd4 | 2125 | if (ath9k_hw_mci_is_enabled(ah)) |
31604cf0 | 2126 | udelay(30); |
f078f209 | 2127 | } |
9a658d2b LR |
2128 | |
2129 | /* Clear Bit 14 of AR_WA after putting chip into Net Sleep mode. */ | |
2130 | if (AR_SREV_9300_20_OR_LATER(ah)) | |
2131 | REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE); | |
f078f209 LR |
2132 | } |
2133 | ||
31604cf0 | 2134 | static bool ath9k_hw_set_power_awake(struct ath_hw *ah) |
f078f209 | 2135 | { |
f1dc5600 S |
2136 | u32 val; |
2137 | int i; | |
f078f209 | 2138 | |
9a658d2b LR |
2139 | /* Set Bits 14 and 17 of AR_WA before powering on the chip. */ |
2140 | if (AR_SREV_9300_20_OR_LATER(ah)) { | |
2141 | REG_WRITE(ah, AR_WA, ah->WARegVal); | |
2142 | udelay(10); | |
2143 | } | |
2144 | ||
31604cf0 SM |
2145 | if ((REG_READ(ah, AR_RTC_STATUS) & |
2146 | AR_RTC_STATUS_M) == AR_RTC_STATUS_SHUTDOWN) { | |
2147 | if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) { | |
2148 | return false; | |
f1dc5600 | 2149 | } |
31604cf0 SM |
2150 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
2151 | ath9k_hw_init_pll(ah, NULL); | |
2152 | } | |
2153 | if (AR_SREV_9100(ah)) | |
2154 | REG_SET_BIT(ah, AR_RTC_RESET, | |
2155 | AR_RTC_RESET_EN); | |
2156 | ||
2157 | REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, | |
2158 | AR_RTC_FORCE_WAKE_EN); | |
04575f21 | 2159 | if (AR_SREV_9100(ah)) |
3683a07b | 2160 | mdelay(10); |
04575f21 SM |
2161 | else |
2162 | udelay(50); | |
f078f209 | 2163 | |
31604cf0 SM |
2164 | for (i = POWER_UP_TIME / 50; i > 0; i--) { |
2165 | val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M; | |
2166 | if (val == AR_RTC_STATUS_ON) | |
2167 | break; | |
2168 | udelay(50); | |
f1dc5600 S |
2169 | REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, |
2170 | AR_RTC_FORCE_WAKE_EN); | |
31604cf0 SM |
2171 | } |
2172 | if (i == 0) { | |
2173 | ath_err(ath9k_hw_common(ah), | |
2174 | "Failed to wakeup in %uus\n", | |
2175 | POWER_UP_TIME / 20); | |
2176 | return false; | |
f078f209 LR |
2177 | } |
2178 | ||
cdbe408d RM |
2179 | if (ath9k_hw_mci_is_enabled(ah)) |
2180 | ar9003_mci_set_power_awake(ah); | |
2181 | ||
f1dc5600 | 2182 | REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); |
f078f209 | 2183 | |
f1dc5600 | 2184 | return true; |
f078f209 LR |
2185 | } |
2186 | ||
9ecdef4b | 2187 | bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode) |
f078f209 | 2188 | { |
c46917bb | 2189 | struct ath_common *common = ath9k_hw_common(ah); |
31604cf0 | 2190 | int status = true; |
f1dc5600 S |
2191 | static const char *modes[] = { |
2192 | "AWAKE", | |
2193 | "FULL-SLEEP", | |
2194 | "NETWORK SLEEP", | |
2195 | "UNDEFINED" | |
2196 | }; | |
f1dc5600 | 2197 | |
cbdec975 GJ |
2198 | if (ah->power_mode == mode) |
2199 | return status; | |
2200 | ||
d2182b69 | 2201 | ath_dbg(common, RESET, "%s -> %s\n", |
226afe68 | 2202 | modes[ah->power_mode], modes[mode]); |
f1dc5600 S |
2203 | |
2204 | switch (mode) { | |
2205 | case ATH9K_PM_AWAKE: | |
31604cf0 | 2206 | status = ath9k_hw_set_power_awake(ah); |
f1dc5600 S |
2207 | break; |
2208 | case ATH9K_PM_FULL_SLEEP: | |
5955b2b0 | 2209 | if (ath9k_hw_mci_is_enabled(ah)) |
d1ca8b8e | 2210 | ar9003_mci_set_full_sleep(ah); |
1010911e | 2211 | |
31604cf0 | 2212 | ath9k_set_power_sleep(ah); |
2660b81a | 2213 | ah->chip_fullsleep = true; |
f1dc5600 S |
2214 | break; |
2215 | case ATH9K_PM_NETWORK_SLEEP: | |
31604cf0 | 2216 | ath9k_set_power_network_sleep(ah); |
f1dc5600 | 2217 | break; |
f078f209 | 2218 | default: |
3800276a | 2219 | ath_err(common, "Unknown power mode %u\n", mode); |
f078f209 LR |
2220 | return false; |
2221 | } | |
2660b81a | 2222 | ah->power_mode = mode; |
f1dc5600 | 2223 | |
69f4aab1 LR |
2224 | /* |
2225 | * XXX: If this warning never comes up after a while then | |
2226 | * simply keep the ATH_DBG_WARN_ON_ONCE() but make | |
2227 | * ath9k_hw_setpower() return type void. | |
2228 | */ | |
97dcec57 SM |
2229 | |
2230 | if (!(ah->ah_flags & AH_UNPLUGGED)) | |
2231 | ATH_DBG_WARN_ON_ONCE(!status); | |
69f4aab1 | 2232 | |
f1dc5600 | 2233 | return status; |
f078f209 | 2234 | } |
7322fd19 | 2235 | EXPORT_SYMBOL(ath9k_hw_setpower); |
f078f209 | 2236 | |
f1dc5600 S |
2237 | /*******************/ |
2238 | /* Beacon Handling */ | |
2239 | /*******************/ | |
2240 | ||
cbe61d8a | 2241 | void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period) |
f078f209 | 2242 | { |
f078f209 LR |
2243 | int flags = 0; |
2244 | ||
7d0d0df0 S |
2245 | ENABLE_REGWRITE_BUFFER(ah); |
2246 | ||
2660b81a | 2247 | switch (ah->opmode) { |
d97809db | 2248 | case NL80211_IFTYPE_ADHOC: |
f078f209 LR |
2249 | REG_SET_BIT(ah, AR_TXCFG, |
2250 | AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY); | |
2664d666 | 2251 | case NL80211_IFTYPE_MESH_POINT: |
d97809db | 2252 | case NL80211_IFTYPE_AP: |
dd347f2f FF |
2253 | REG_WRITE(ah, AR_NEXT_TBTT_TIMER, next_beacon); |
2254 | REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, next_beacon - | |
2255 | TU_TO_USEC(ah->config.dma_beacon_response_time)); | |
2256 | REG_WRITE(ah, AR_NEXT_SWBA, next_beacon - | |
2257 | TU_TO_USEC(ah->config.sw_beacon_response_time)); | |
f078f209 LR |
2258 | flags |= |
2259 | AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN; | |
2260 | break; | |
d97809db | 2261 | default: |
d2182b69 JP |
2262 | ath_dbg(ath9k_hw_common(ah), BEACON, |
2263 | "%s: unsupported opmode: %d\n", __func__, ah->opmode); | |
d97809db CM |
2264 | return; |
2265 | break; | |
f078f209 LR |
2266 | } |
2267 | ||
dd347f2f FF |
2268 | REG_WRITE(ah, AR_BEACON_PERIOD, beacon_period); |
2269 | REG_WRITE(ah, AR_DMA_BEACON_PERIOD, beacon_period); | |
2270 | REG_WRITE(ah, AR_SWBA_PERIOD, beacon_period); | |
f078f209 | 2271 | |
7d0d0df0 | 2272 | REGWRITE_BUFFER_FLUSH(ah); |
7d0d0df0 | 2273 | |
f078f209 LR |
2274 | REG_SET_BIT(ah, AR_TIMER_MODE, flags); |
2275 | } | |
7322fd19 | 2276 | EXPORT_SYMBOL(ath9k_hw_beaconinit); |
f078f209 | 2277 | |
cbe61d8a | 2278 | void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah, |
f1dc5600 | 2279 | const struct ath9k_beacon_state *bs) |
f078f209 LR |
2280 | { |
2281 | u32 nextTbtt, beaconintval, dtimperiod, beacontimeout; | |
2660b81a | 2282 | struct ath9k_hw_capabilities *pCap = &ah->caps; |
c46917bb | 2283 | struct ath_common *common = ath9k_hw_common(ah); |
f078f209 | 2284 | |
7d0d0df0 S |
2285 | ENABLE_REGWRITE_BUFFER(ah); |
2286 | ||
4ed15762 FF |
2287 | REG_WRITE(ah, AR_NEXT_TBTT_TIMER, bs->bs_nexttbtt); |
2288 | REG_WRITE(ah, AR_BEACON_PERIOD, bs->bs_intval); | |
2289 | REG_WRITE(ah, AR_DMA_BEACON_PERIOD, bs->bs_intval); | |
f078f209 | 2290 | |
7d0d0df0 | 2291 | REGWRITE_BUFFER_FLUSH(ah); |
7d0d0df0 | 2292 | |
f078f209 LR |
2293 | REG_RMW_FIELD(ah, AR_RSSI_THR, |
2294 | AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold); | |
2295 | ||
f29f5c08 | 2296 | beaconintval = bs->bs_intval; |
f078f209 LR |
2297 | |
2298 | if (bs->bs_sleepduration > beaconintval) | |
2299 | beaconintval = bs->bs_sleepduration; | |
2300 | ||
2301 | dtimperiod = bs->bs_dtimperiod; | |
2302 | if (bs->bs_sleepduration > dtimperiod) | |
2303 | dtimperiod = bs->bs_sleepduration; | |
2304 | ||
2305 | if (beaconintval == dtimperiod) | |
2306 | nextTbtt = bs->bs_nextdtim; | |
2307 | else | |
2308 | nextTbtt = bs->bs_nexttbtt; | |
2309 | ||
58bb9ca8 JD |
2310 | ath_dbg(common, BEACON, "next DTIM %u\n", bs->bs_nextdtim); |
2311 | ath_dbg(common, BEACON, "next beacon %u\n", nextTbtt); | |
2312 | ath_dbg(common, BEACON, "beacon period %u\n", beaconintval); | |
2313 | ath_dbg(common, BEACON, "DTIM period %u\n", dtimperiod); | |
f078f209 | 2314 | |
7d0d0df0 S |
2315 | ENABLE_REGWRITE_BUFFER(ah); |
2316 | ||
4ed15762 FF |
2317 | REG_WRITE(ah, AR_NEXT_DTIM, bs->bs_nextdtim - SLEEP_SLOP); |
2318 | REG_WRITE(ah, AR_NEXT_TIM, nextTbtt - SLEEP_SLOP); | |
f078f209 | 2319 | |
f1dc5600 S |
2320 | REG_WRITE(ah, AR_SLEEP1, |
2321 | SM((CAB_TIMEOUT_VAL << 3), AR_SLEEP1_CAB_TIMEOUT) | |
2322 | | AR_SLEEP1_ASSUME_DTIM); | |
f078f209 | 2323 | |
f1dc5600 S |
2324 | if (pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP) |
2325 | beacontimeout = (BEACON_TIMEOUT_VAL << 3); | |
2326 | else | |
2327 | beacontimeout = MIN_BEACON_TIMEOUT_VAL; | |
f078f209 | 2328 | |
f1dc5600 S |
2329 | REG_WRITE(ah, AR_SLEEP2, |
2330 | SM(beacontimeout, AR_SLEEP2_BEACON_TIMEOUT)); | |
f078f209 | 2331 | |
4ed15762 FF |
2332 | REG_WRITE(ah, AR_TIM_PERIOD, beaconintval); |
2333 | REG_WRITE(ah, AR_DTIM_PERIOD, dtimperiod); | |
f078f209 | 2334 | |
7d0d0df0 | 2335 | REGWRITE_BUFFER_FLUSH(ah); |
7d0d0df0 | 2336 | |
f1dc5600 S |
2337 | REG_SET_BIT(ah, AR_TIMER_MODE, |
2338 | AR_TBTT_TIMER_EN | AR_TIM_TIMER_EN | | |
2339 | AR_DTIM_TIMER_EN); | |
f078f209 | 2340 | |
4af9cf4f S |
2341 | /* TSF Out of Range Threshold */ |
2342 | REG_WRITE(ah, AR_TSFOOR_THRESHOLD, bs->bs_tsfoor_threshold); | |
f078f209 | 2343 | } |
7322fd19 | 2344 | EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_timers); |
f078f209 | 2345 | |
f1dc5600 S |
2346 | /*******************/ |
2347 | /* HW Capabilities */ | |
2348 | /*******************/ | |
2349 | ||
6054069a FF |
2350 | static u8 fixup_chainmask(u8 chip_chainmask, u8 eeprom_chainmask) |
2351 | { | |
2352 | eeprom_chainmask &= chip_chainmask; | |
2353 | if (eeprom_chainmask) | |
2354 | return eeprom_chainmask; | |
2355 | else | |
2356 | return chip_chainmask; | |
2357 | } | |
2358 | ||
9a66af33 ZK |
2359 | /** |
2360 | * ath9k_hw_dfs_tested - checks if DFS has been tested with used chipset | |
2361 | * @ah: the atheros hardware data structure | |
2362 | * | |
2363 | * We enable DFS support upstream on chipsets which have passed a series | |
2364 | * of tests. The testing requirements are going to be documented. Desired | |
2365 | * test requirements are documented at: | |
2366 | * | |
2367 | * http://wireless.kernel.org/en/users/Drivers/ath9k/dfs | |
2368 | * | |
2369 | * Once a new chipset gets properly tested an individual commit can be used | |
2370 | * to document the testing for DFS for that chipset. | |
2371 | */ | |
2372 | static bool ath9k_hw_dfs_tested(struct ath_hw *ah) | |
2373 | { | |
2374 | ||
2375 | switch (ah->hw_version.macVersion) { | |
73e4937d ZK |
2376 | /* for temporary testing DFS with 9280 */ |
2377 | case AR_SREV_VERSION_9280: | |
9a66af33 ZK |
2378 | /* AR9580 will likely be our first target to get testing on */ |
2379 | case AR_SREV_VERSION_9580: | |
73e4937d | 2380 | return true; |
9a66af33 ZK |
2381 | default: |
2382 | return false; | |
2383 | } | |
2384 | } | |
2385 | ||
a01ab81b MP |
2386 | static void ath9k_gpio_cap_init(struct ath_hw *ah) |
2387 | { | |
2388 | struct ath9k_hw_capabilities *pCap = &ah->caps; | |
2389 | ||
2390 | if (AR_SREV_9271(ah)) { | |
2391 | pCap->num_gpio_pins = AR9271_NUM_GPIO; | |
2392 | pCap->gpio_mask = AR9271_GPIO_MASK; | |
2393 | } else if (AR_DEVID_7010(ah)) { | |
2394 | pCap->num_gpio_pins = AR7010_NUM_GPIO; | |
2395 | pCap->gpio_mask = AR7010_GPIO_MASK; | |
2396 | } else if (AR_SREV_9287(ah)) { | |
2397 | pCap->num_gpio_pins = AR9287_NUM_GPIO; | |
2398 | pCap->gpio_mask = AR9287_GPIO_MASK; | |
2399 | } else if (AR_SREV_9285(ah)) { | |
2400 | pCap->num_gpio_pins = AR9285_NUM_GPIO; | |
2401 | pCap->gpio_mask = AR9285_GPIO_MASK; | |
2402 | } else if (AR_SREV_9280(ah)) { | |
2403 | pCap->num_gpio_pins = AR9280_NUM_GPIO; | |
2404 | pCap->gpio_mask = AR9280_GPIO_MASK; | |
2405 | } else if (AR_SREV_9300(ah)) { | |
2406 | pCap->num_gpio_pins = AR9300_NUM_GPIO; | |
2407 | pCap->gpio_mask = AR9300_GPIO_MASK; | |
2408 | } else if (AR_SREV_9330(ah)) { | |
2409 | pCap->num_gpio_pins = AR9330_NUM_GPIO; | |
2410 | pCap->gpio_mask = AR9330_GPIO_MASK; | |
2411 | } else if (AR_SREV_9340(ah)) { | |
2412 | pCap->num_gpio_pins = AR9340_NUM_GPIO; | |
2413 | pCap->gpio_mask = AR9340_GPIO_MASK; | |
2414 | } else if (AR_SREV_9462(ah)) { | |
2415 | pCap->num_gpio_pins = AR9462_NUM_GPIO; | |
2416 | pCap->gpio_mask = AR9462_GPIO_MASK; | |
2417 | } else if (AR_SREV_9485(ah)) { | |
2418 | pCap->num_gpio_pins = AR9485_NUM_GPIO; | |
2419 | pCap->gpio_mask = AR9485_GPIO_MASK; | |
2420 | } else if (AR_SREV_9531(ah)) { | |
2421 | pCap->num_gpio_pins = AR9531_NUM_GPIO; | |
2422 | pCap->gpio_mask = AR9531_GPIO_MASK; | |
2423 | } else if (AR_SREV_9550(ah)) { | |
2424 | pCap->num_gpio_pins = AR9550_NUM_GPIO; | |
2425 | pCap->gpio_mask = AR9550_GPIO_MASK; | |
2426 | } else if (AR_SREV_9561(ah)) { | |
2427 | pCap->num_gpio_pins = AR9561_NUM_GPIO; | |
2428 | pCap->gpio_mask = AR9561_GPIO_MASK; | |
2429 | } else if (AR_SREV_9565(ah)) { | |
2430 | pCap->num_gpio_pins = AR9565_NUM_GPIO; | |
2431 | pCap->gpio_mask = AR9565_GPIO_MASK; | |
2432 | } else if (AR_SREV_9580(ah)) { | |
2433 | pCap->num_gpio_pins = AR9580_NUM_GPIO; | |
2434 | pCap->gpio_mask = AR9580_GPIO_MASK; | |
2435 | } else { | |
2436 | pCap->num_gpio_pins = AR_NUM_GPIO; | |
2437 | pCap->gpio_mask = AR_GPIO_MASK; | |
2438 | } | |
2439 | } | |
2440 | ||
a9a29ce6 | 2441 | int ath9k_hw_fill_cap_info(struct ath_hw *ah) |
f078f209 | 2442 | { |
2660b81a | 2443 | struct ath9k_hw_capabilities *pCap = &ah->caps; |
608b88cb | 2444 | struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); |
c46917bb | 2445 | struct ath_common *common = ath9k_hw_common(ah); |
608b88cb | 2446 | |
0ff2b5c0 | 2447 | u16 eeval; |
47c80de6 | 2448 | u8 ant_div_ctl1, tx_chainmask, rx_chainmask; |
f078f209 | 2449 | |
f74df6fb | 2450 | eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0); |
608b88cb | 2451 | regulatory->current_rd = eeval; |
f078f209 | 2452 | |
2660b81a | 2453 | if (ah->opmode != NL80211_IFTYPE_AP && |
d535a42a | 2454 | ah->hw_version.subvendorid == AR_SUBVENDOR_ID_NEW_A) { |
608b88cb LR |
2455 | if (regulatory->current_rd == 0x64 || |
2456 | regulatory->current_rd == 0x65) | |
2457 | regulatory->current_rd += 5; | |
2458 | else if (regulatory->current_rd == 0x41) | |
2459 | regulatory->current_rd = 0x43; | |
d2182b69 JP |
2460 | ath_dbg(common, REGULATORY, "regdomain mapped to 0x%x\n", |
2461 | regulatory->current_rd); | |
f1dc5600 | 2462 | } |
f078f209 | 2463 | |
f74df6fb | 2464 | eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE); |
3468968e FF |
2465 | |
2466 | if (eeval & AR5416_OPFLAGS_11A) { | |
2467 | if (ah->disable_5ghz) | |
2468 | ath_warn(common, "disabling 5GHz band\n"); | |
2469 | else | |
2470 | pCap->hw_caps |= ATH9K_HW_CAP_5GHZ; | |
a9a29ce6 GJ |
2471 | } |
2472 | ||
3468968e FF |
2473 | if (eeval & AR5416_OPFLAGS_11G) { |
2474 | if (ah->disable_2ghz) | |
2475 | ath_warn(common, "disabling 2GHz band\n"); | |
2476 | else | |
2477 | pCap->hw_caps |= ATH9K_HW_CAP_2GHZ; | |
2478 | } | |
f078f209 | 2479 | |
3468968e FF |
2480 | if ((pCap->hw_caps & (ATH9K_HW_CAP_2GHZ | ATH9K_HW_CAP_5GHZ)) == 0) { |
2481 | ath_err(common, "both bands are disabled\n"); | |
2482 | return -EINVAL; | |
2483 | } | |
f1dc5600 | 2484 | |
db7b542e MP |
2485 | ath9k_gpio_cap_init(ah); |
2486 | ||
e41db61d SM |
2487 | if (AR_SREV_9485(ah) || |
2488 | AR_SREV_9285(ah) || | |
2489 | AR_SREV_9330(ah) || | |
2490 | AR_SREV_9565(ah)) | |
ee79ccd9 | 2491 | pCap->chip_chainmask = 1; |
6054069a | 2492 | else if (!AR_SREV_9280_20_OR_LATER(ah)) |
ee79ccd9 SM |
2493 | pCap->chip_chainmask = 7; |
2494 | else if (!AR_SREV_9300_20_OR_LATER(ah) || | |
2495 | AR_SREV_9340(ah) || | |
2496 | AR_SREV_9462(ah) || | |
2497 | AR_SREV_9531(ah)) | |
2498 | pCap->chip_chainmask = 3; | |
6054069a | 2499 | else |
ee79ccd9 | 2500 | pCap->chip_chainmask = 7; |
6054069a | 2501 | |
f74df6fb | 2502 | pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK); |
d7e7d229 LR |
2503 | /* |
2504 | * For AR9271 we will temporarilly uses the rx chainmax as read from | |
2505 | * the EEPROM. | |
2506 | */ | |
8147f5de | 2507 | if ((ah->hw_version.devid == AR5416_DEVID_PCI) && |
d7e7d229 LR |
2508 | !(eeval & AR5416_OPFLAGS_11A) && |
2509 | !(AR_SREV_9271(ah))) | |
2510 | /* CB71: GPIO 0 is pulled down to indicate 3 rx chains */ | |
8147f5de | 2511 | pCap->rx_chainmask = ath9k_hw_gpio_get(ah, 0) ? 0x5 : 0x7; |
598cdd52 FF |
2512 | else if (AR_SREV_9100(ah)) |
2513 | pCap->rx_chainmask = 0x7; | |
8147f5de | 2514 | else |
d7e7d229 | 2515 | /* Use rx_chainmask from EEPROM. */ |
8147f5de | 2516 | pCap->rx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_RX_MASK); |
f078f209 | 2517 | |
ee79ccd9 SM |
2518 | pCap->tx_chainmask = fixup_chainmask(pCap->chip_chainmask, pCap->tx_chainmask); |
2519 | pCap->rx_chainmask = fixup_chainmask(pCap->chip_chainmask, pCap->rx_chainmask); | |
82b2d334 FF |
2520 | ah->txchainmask = pCap->tx_chainmask; |
2521 | ah->rxchainmask = pCap->rx_chainmask; | |
6054069a | 2522 | |
7a37081e | 2523 | ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA; |
f078f209 | 2524 | |
02d2ebb2 FF |
2525 | /* enable key search for every frame in an aggregate */ |
2526 | if (AR_SREV_9300_20_OR_LATER(ah)) | |
2527 | ah->misc_mode |= AR_PCU_ALWAYS_PERFORM_KEYSEARCH; | |
2528 | ||
ce2220d1 BR |
2529 | common->crypt_caps |= ATH_CRYPT_CAP_CIPHER_AESCCM; |
2530 | ||
0db156e9 | 2531 | if (ah->hw_version.devid != AR2427_DEVID_PCIE) |
f1dc5600 S |
2532 | pCap->hw_caps |= ATH9K_HW_CAP_HT; |
2533 | else | |
2534 | pCap->hw_caps &= ~ATH9K_HW_CAP_HT; | |
f078f209 | 2535 | |
1b2538b2 | 2536 | if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah)) |
f1dc5600 | 2537 | pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX; |
1b2538b2 | 2538 | else |
f1dc5600 | 2539 | pCap->rts_aggr_limit = (8 * 1024); |
f078f209 | 2540 | |
74e13060 | 2541 | #ifdef CONFIG_ATH9K_RFKILL |
2660b81a S |
2542 | ah->rfsilent = ah->eep_ops->get_eeprom(ah, EEP_RF_SILENT); |
2543 | if (ah->rfsilent & EEP_RFSILENT_ENABLED) { | |
2544 | ah->rfkill_gpio = | |
2545 | MS(ah->rfsilent, EEP_RFSILENT_GPIO_SEL); | |
2546 | ah->rfkill_polarity = | |
2547 | MS(ah->rfsilent, EEP_RFSILENT_POLARITY); | |
f1dc5600 S |
2548 | |
2549 | pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT; | |
f078f209 | 2550 | } |
f1dc5600 | 2551 | #endif |
d5d1154f | 2552 | if (AR_SREV_9271(ah) || AR_SREV_9300_20_OR_LATER(ah)) |
bde748a4 VN |
2553 | pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP; |
2554 | else | |
2555 | pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP; | |
f078f209 | 2556 | |
e7594072 | 2557 | if (AR_SREV_9280(ah) || AR_SREV_9285(ah)) |
f1dc5600 S |
2558 | pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS; |
2559 | else | |
2560 | pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS; | |
f078f209 | 2561 | |
ceb26445 | 2562 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
784ad503 | 2563 | pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_FASTCLOCK; |
ede6a5e7 MP |
2564 | if (!AR_SREV_9330(ah) && !AR_SREV_9485(ah) && |
2565 | !AR_SREV_9561(ah) && !AR_SREV_9565(ah)) | |
784ad503 VT |
2566 | pCap->hw_caps |= ATH9K_HW_CAP_LDPC; |
2567 | ||
ceb26445 VT |
2568 | pCap->rx_hp_qdepth = ATH9K_HW_RX_HP_QDEPTH; |
2569 | pCap->rx_lp_qdepth = ATH9K_HW_RX_LP_QDEPTH; | |
2570 | pCap->rx_status_len = sizeof(struct ar9003_rxs); | |
162c3be3 | 2571 | pCap->tx_desc_len = sizeof(struct ar9003_txc); |
5088c2f1 | 2572 | pCap->txs_len = sizeof(struct ar9003_txs); |
162c3be3 VT |
2573 | } else { |
2574 | pCap->tx_desc_len = sizeof(struct ath_desc); | |
a949b172 | 2575 | if (AR_SREV_9280_20(ah)) |
6b42e8d0 | 2576 | pCap->hw_caps |= ATH9K_HW_CAP_FASTCLOCK; |
ceb26445 | 2577 | } |
1adf02ff | 2578 | |
6c84ce08 VT |
2579 | if (AR_SREV_9300_20_OR_LATER(ah)) |
2580 | pCap->hw_caps |= ATH9K_HW_CAP_RAC_SUPPORTED; | |
2581 | ||
ede6a5e7 MP |
2582 | if (AR_SREV_9561(ah)) |
2583 | ah->ent_mode = 0x3BDA000; | |
2584 | else if (AR_SREV_9300_20_OR_LATER(ah)) | |
6ee63f55 SB |
2585 | ah->ent_mode = REG_READ(ah, AR_ENT_OTP); |
2586 | ||
a42acef0 | 2587 | if (AR_SREV_9287_11_OR_LATER(ah) || AR_SREV_9271(ah)) |
6473d24d VT |
2588 | pCap->hw_caps |= ATH9K_HW_CAP_SGI_20; |
2589 | ||
f85c3371 | 2590 | if (AR_SREV_9285(ah)) { |
754dc536 VT |
2591 | if (ah->eep_ops->get_eeprom(ah, EEP_MODAL_VER) >= 3) { |
2592 | ant_div_ctl1 = | |
2593 | ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1); | |
f85c3371 | 2594 | if ((ant_div_ctl1 & 0x1) && ((ant_div_ctl1 >> 3) & 0x1)) { |
754dc536 | 2595 | pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB; |
f85c3371 SM |
2596 | ath_info(common, "Enable LNA combining\n"); |
2597 | } | |
754dc536 | 2598 | } |
f85c3371 SM |
2599 | } |
2600 | ||
ea066d5a MSS |
2601 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
2602 | if (ah->eep_ops->get_eeprom(ah, EEP_CHAIN_MASK_REDUCE)) | |
2603 | pCap->hw_caps |= ATH9K_HW_CAP_APM; | |
2604 | } | |
2605 | ||
06236e53 | 2606 | if (AR_SREV_9330(ah) || AR_SREV_9485(ah) || AR_SREV_9565(ah)) { |
21d2c63a | 2607 | ant_div_ctl1 = ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1); |
f85c3371 | 2608 | if ((ant_div_ctl1 >> 0x6) == 0x3) { |
21d2c63a | 2609 | pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB; |
f85c3371 SM |
2610 | ath_info(common, "Enable LNA combining\n"); |
2611 | } | |
21d2c63a | 2612 | } |
754dc536 | 2613 | |
9a66af33 ZK |
2614 | if (ath9k_hw_dfs_tested(ah)) |
2615 | pCap->hw_caps |= ATH9K_HW_CAP_DFS; | |
2616 | ||
47c80de6 VT |
2617 | tx_chainmask = pCap->tx_chainmask; |
2618 | rx_chainmask = pCap->rx_chainmask; | |
2619 | while (tx_chainmask || rx_chainmask) { | |
2620 | if (tx_chainmask & BIT(0)) | |
2621 | pCap->max_txchains++; | |
2622 | if (rx_chainmask & BIT(0)) | |
2623 | pCap->max_rxchains++; | |
2624 | ||
2625 | tx_chainmask >>= 1; | |
2626 | rx_chainmask >>= 1; | |
2627 | } | |
2628 | ||
a4a2954f | 2629 | if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) { |
3789d59c MSS |
2630 | if (!(ah->ent_mode & AR_ENT_OTP_49GHZ_DISABLE)) |
2631 | pCap->hw_caps |= ATH9K_HW_CAP_MCI; | |
2632 | ||
2b5e54e2 | 2633 | if (AR_SREV_9462_20_OR_LATER(ah)) |
3789d59c | 2634 | pCap->hw_caps |= ATH9K_HW_CAP_RTT; |
3789d59c MSS |
2635 | } |
2636 | ||
0f21ee8d SM |
2637 | if (AR_SREV_9300_20_OR_LATER(ah) && |
2638 | ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) | |
2639 | pCap->hw_caps |= ATH9K_HW_CAP_PAPRD; | |
2640 | ||
12a44422 SM |
2641 | #ifdef CONFIG_ATH9K_WOW |
2642 | if (AR_SREV_9462_20_OR_LATER(ah) || AR_SREV_9565_11_OR_LATER(ah)) | |
2643 | ah->wow.max_patterns = MAX_NUM_PATTERN; | |
2644 | else | |
2645 | ah->wow.max_patterns = MAX_NUM_PATTERN_LEGACY; | |
2646 | #endif | |
2647 | ||
a9a29ce6 | 2648 | return 0; |
f078f209 LR |
2649 | } |
2650 | ||
f1dc5600 S |
2651 | /****************************/ |
2652 | /* GPIO / RFKILL / Antennae */ | |
2653 | /****************************/ | |
f078f209 | 2654 | |
b2d70d49 | 2655 | static void ath9k_hw_gpio_cfg_output_mux(struct ath_hw *ah, u32 gpio, u32 type) |
f1dc5600 S |
2656 | { |
2657 | int addr; | |
2658 | u32 gpio_shift, tmp; | |
f078f209 | 2659 | |
f1dc5600 S |
2660 | if (gpio > 11) |
2661 | addr = AR_GPIO_OUTPUT_MUX3; | |
2662 | else if (gpio > 5) | |
2663 | addr = AR_GPIO_OUTPUT_MUX2; | |
2664 | else | |
2665 | addr = AR_GPIO_OUTPUT_MUX1; | |
f078f209 | 2666 | |
f1dc5600 | 2667 | gpio_shift = (gpio % 6) * 5; |
f078f209 | 2668 | |
b2d70d49 MP |
2669 | if (AR_SREV_9280_20_OR_LATER(ah) || |
2670 | (addr != AR_GPIO_OUTPUT_MUX1)) { | |
f1dc5600 S |
2671 | REG_RMW(ah, addr, (type << gpio_shift), |
2672 | (0x1f << gpio_shift)); | |
f078f209 | 2673 | } else { |
f1dc5600 S |
2674 | tmp = REG_READ(ah, addr); |
2675 | tmp = ((tmp & 0x1F0) << 1) | (tmp & ~0x1F0); | |
2676 | tmp &= ~(0x1f << gpio_shift); | |
2677 | tmp |= (type << gpio_shift); | |
2678 | REG_WRITE(ah, addr, tmp); | |
f078f209 | 2679 | } |
f078f209 LR |
2680 | } |
2681 | ||
b2d70d49 MP |
2682 | /* BSP should set the corresponding MUX register correctly. |
2683 | */ | |
2684 | static void ath9k_hw_gpio_cfg_soc(struct ath_hw *ah, u32 gpio, bool out, | |
2685 | const char *label) | |
f078f209 | 2686 | { |
b2d70d49 MP |
2687 | if (ah->caps.gpio_requested & BIT(gpio)) |
2688 | return; | |
f078f209 | 2689 | |
b2d70d49 MP |
2690 | /* may be requested by BSP, free anyway */ |
2691 | gpio_free(gpio); | |
f078f209 | 2692 | |
b2d70d49 | 2693 | if (gpio_request_one(gpio, out ? GPIOF_OUT_INIT_LOW : GPIOF_IN, label)) |
88c1f4f6 | 2694 | return; |
f078f209 | 2695 | |
b2d70d49 | 2696 | ah->caps.gpio_requested |= BIT(gpio); |
f078f209 LR |
2697 | } |
2698 | ||
b2d70d49 MP |
2699 | static void ath9k_hw_gpio_cfg_wmac(struct ath_hw *ah, u32 gpio, bool out, |
2700 | u32 ah_signal_type) | |
f078f209 | 2701 | { |
b2d70d49 | 2702 | u32 gpio_set, gpio_shift = gpio; |
f078f209 | 2703 | |
88c1f4f6 | 2704 | if (AR_DEVID_7010(ah)) { |
b2d70d49 MP |
2705 | gpio_set = out ? |
2706 | AR7010_GPIO_OE_AS_OUTPUT : AR7010_GPIO_OE_AS_INPUT; | |
2707 | REG_RMW(ah, AR7010_GPIO_OE, gpio_set << gpio_shift, | |
2708 | AR7010_GPIO_OE_MASK << gpio_shift); | |
2709 | } else if (AR_SREV_SOC(ah)) { | |
2710 | gpio_set = out ? 1 : 0; | |
2711 | REG_RMW(ah, AR_GPIO_OE_OUT, gpio_set << gpio_shift, | |
2712 | gpio_set << gpio_shift); | |
2713 | } else { | |
2714 | gpio_shift = gpio << 1; | |
2715 | gpio_set = out ? | |
2716 | AR_GPIO_OE_OUT_DRV_ALL : AR_GPIO_OE_OUT_DRV_NO; | |
2717 | REG_RMW(ah, AR_GPIO_OE_OUT, gpio_set << gpio_shift, | |
2718 | AR_GPIO_OE_OUT_DRV << gpio_shift); | |
2719 | ||
2720 | if (out) | |
2721 | ath9k_hw_gpio_cfg_output_mux(ah, gpio, ah_signal_type); | |
2722 | } | |
f078f209 LR |
2723 | } |
2724 | ||
b2d70d49 MP |
2725 | static void ath9k_hw_gpio_request(struct ath_hw *ah, u32 gpio, bool out, |
2726 | const char *label, u32 ah_signal_type) | |
f078f209 | 2727 | { |
b2d70d49 | 2728 | WARN_ON(gpio >= ah->caps.num_gpio_pins); |
f078f209 | 2729 | |
b2d70d49 MP |
2730 | if (BIT(gpio) & ah->caps.gpio_mask) |
2731 | ath9k_hw_gpio_cfg_wmac(ah, gpio, out, ah_signal_type); | |
2732 | else if (AR_SREV_SOC(ah)) | |
2733 | ath9k_hw_gpio_cfg_soc(ah, gpio, out, label); | |
2734 | else | |
2735 | WARN_ON(1); | |
2736 | } | |
f078f209 | 2737 | |
b2d70d49 MP |
2738 | void ath9k_hw_gpio_request_in(struct ath_hw *ah, u32 gpio, const char *label) |
2739 | { | |
2740 | ath9k_hw_gpio_request(ah, gpio, false, label, 0); | |
f078f209 | 2741 | } |
b2d70d49 | 2742 | EXPORT_SYMBOL(ath9k_hw_gpio_request_in); |
f078f209 | 2743 | |
b2d70d49 MP |
2744 | void ath9k_hw_gpio_request_out(struct ath_hw *ah, u32 gpio, const char *label, |
2745 | u32 ah_signal_type) | |
f078f209 | 2746 | { |
b2d70d49 MP |
2747 | ath9k_hw_gpio_request(ah, gpio, true, label, ah_signal_type); |
2748 | } | |
2749 | EXPORT_SYMBOL(ath9k_hw_gpio_request_out); | |
2750 | ||
2751 | void ath9k_hw_gpio_free(struct ath_hw *ah, u32 gpio) | |
2752 | { | |
2753 | if (!AR_SREV_SOC(ah)) | |
88c1f4f6 | 2754 | return; |
b2d70d49 MP |
2755 | |
2756 | WARN_ON(gpio >= ah->caps.num_gpio_pins); | |
2757 | ||
2758 | if (ah->caps.gpio_requested & BIT(gpio)) { | |
2759 | gpio_free(gpio); | |
2760 | ah->caps.gpio_requested &= ~BIT(gpio); | |
88c1f4f6 | 2761 | } |
b2d70d49 MP |
2762 | } |
2763 | EXPORT_SYMBOL(ath9k_hw_gpio_free); | |
88c1f4f6 | 2764 | |
b2d70d49 MP |
2765 | u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio) |
2766 | { | |
2767 | u32 val = 0xffffffff; | |
5b5fa355 | 2768 | |
b2d70d49 MP |
2769 | #define MS_REG_READ(x, y) \ |
2770 | (MS(REG_READ(ah, AR_GPIO_IN_OUT), x##_GPIO_IN_VAL) & BIT(y)) | |
2771 | ||
2772 | WARN_ON(gpio >= ah->caps.num_gpio_pins); | |
2773 | ||
2774 | if (BIT(gpio) & ah->caps.gpio_mask) { | |
2775 | if (AR_SREV_9271(ah)) | |
2776 | val = MS_REG_READ(AR9271, gpio); | |
2777 | else if (AR_SREV_9287(ah)) | |
2778 | val = MS_REG_READ(AR9287, gpio); | |
2779 | else if (AR_SREV_9285(ah)) | |
2780 | val = MS_REG_READ(AR9285, gpio); | |
2781 | else if (AR_SREV_9280(ah)) | |
2782 | val = MS_REG_READ(AR928X, gpio); | |
2783 | else if (AR_DEVID_7010(ah)) | |
2784 | val = REG_READ(ah, AR7010_GPIO_IN) & BIT(gpio); | |
2785 | else if (AR_SREV_9300_20_OR_LATER(ah)) | |
2786 | val = REG_READ(ah, AR_GPIO_IN) & BIT(gpio); | |
2787 | else | |
2788 | val = MS_REG_READ(AR, gpio); | |
2789 | } else if (BIT(gpio) & ah->caps.gpio_requested) { | |
2790 | val = gpio_get_value(gpio) & BIT(gpio); | |
2791 | } else { | |
2792 | WARN_ON(1); | |
2793 | } | |
2794 | ||
2795 | return val; | |
f078f209 | 2796 | } |
b2d70d49 | 2797 | EXPORT_SYMBOL(ath9k_hw_gpio_get); |
f078f209 | 2798 | |
b2d70d49 | 2799 | void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val) |
61b559de | 2800 | { |
b2d70d49 | 2801 | WARN_ON(gpio >= ah->caps.num_gpio_pins); |
61b559de | 2802 | |
b2d70d49 MP |
2803 | if (AR_DEVID_7010(ah) || AR_SREV_9271(ah)) |
2804 | val = !val; | |
2805 | else | |
2806 | val = !!val; | |
2807 | ||
2808 | if (BIT(gpio) & ah->caps.gpio_mask) { | |
2809 | u32 out_addr = AR_DEVID_7010(ah) ? | |
2810 | AR7010_GPIO_OUT : AR_GPIO_IN_OUT; | |
2811 | ||
2812 | REG_RMW(ah, out_addr, val << gpio, BIT(gpio)); | |
2813 | } else if (BIT(gpio) & ah->caps.gpio_requested) { | |
2814 | gpio_set_value(gpio, val); | |
2815 | } else { | |
2816 | WARN_ON(1); | |
2817 | } | |
61b559de | 2818 | } |
b2d70d49 | 2819 | EXPORT_SYMBOL(ath9k_hw_set_gpio); |
61b559de | 2820 | |
cbe61d8a | 2821 | void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna) |
f078f209 | 2822 | { |
f1dc5600 | 2823 | REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7)); |
f078f209 | 2824 | } |
7322fd19 | 2825 | EXPORT_SYMBOL(ath9k_hw_setantenna); |
f078f209 | 2826 | |
f1dc5600 S |
2827 | /*********************/ |
2828 | /* General Operation */ | |
2829 | /*********************/ | |
2830 | ||
cbe61d8a | 2831 | u32 ath9k_hw_getrxfilter(struct ath_hw *ah) |
f078f209 | 2832 | { |
f1dc5600 S |
2833 | u32 bits = REG_READ(ah, AR_RX_FILTER); |
2834 | u32 phybits = REG_READ(ah, AR_PHY_ERR); | |
f078f209 | 2835 | |
f1dc5600 S |
2836 | if (phybits & AR_PHY_ERR_RADAR) |
2837 | bits |= ATH9K_RX_FILTER_PHYRADAR; | |
2838 | if (phybits & (AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING)) | |
2839 | bits |= ATH9K_RX_FILTER_PHYERR; | |
dc2222a8 | 2840 | |
f1dc5600 | 2841 | return bits; |
f078f209 | 2842 | } |
7322fd19 | 2843 | EXPORT_SYMBOL(ath9k_hw_getrxfilter); |
f078f209 | 2844 | |
cbe61d8a | 2845 | void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits) |
f078f209 | 2846 | { |
f1dc5600 | 2847 | u32 phybits; |
f078f209 | 2848 | |
7d0d0df0 S |
2849 | ENABLE_REGWRITE_BUFFER(ah); |
2850 | ||
7ea310be S |
2851 | REG_WRITE(ah, AR_RX_FILTER, bits); |
2852 | ||
f1dc5600 S |
2853 | phybits = 0; |
2854 | if (bits & ATH9K_RX_FILTER_PHYRADAR) | |
2855 | phybits |= AR_PHY_ERR_RADAR; | |
2856 | if (bits & ATH9K_RX_FILTER_PHYERR) | |
2857 | phybits |= AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING; | |
2858 | REG_WRITE(ah, AR_PHY_ERR, phybits); | |
f078f209 | 2859 | |
f1dc5600 | 2860 | if (phybits) |
ca7a4deb | 2861 | REG_SET_BIT(ah, AR_RXCFG, AR_RXCFG_ZLFDMA); |
f1dc5600 | 2862 | else |
ca7a4deb | 2863 | REG_CLR_BIT(ah, AR_RXCFG, AR_RXCFG_ZLFDMA); |
7d0d0df0 S |
2864 | |
2865 | REGWRITE_BUFFER_FLUSH(ah); | |
f1dc5600 | 2866 | } |
7322fd19 | 2867 | EXPORT_SYMBOL(ath9k_hw_setrxfilter); |
f078f209 | 2868 | |
cbe61d8a | 2869 | bool ath9k_hw_phy_disable(struct ath_hw *ah) |
f1dc5600 | 2870 | { |
99922a45 RM |
2871 | if (ath9k_hw_mci_is_enabled(ah)) |
2872 | ar9003_mci_bt_gain_ctrl(ah); | |
2873 | ||
63a75b91 SB |
2874 | if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM)) |
2875 | return false; | |
2876 | ||
2877 | ath9k_hw_init_pll(ah, NULL); | |
8efa7a81 | 2878 | ah->htc_reset_init = true; |
63a75b91 | 2879 | return true; |
f1dc5600 | 2880 | } |
7322fd19 | 2881 | EXPORT_SYMBOL(ath9k_hw_phy_disable); |
f078f209 | 2882 | |
cbe61d8a | 2883 | bool ath9k_hw_disable(struct ath_hw *ah) |
f1dc5600 | 2884 | { |
9ecdef4b | 2885 | if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) |
f1dc5600 | 2886 | return false; |
f078f209 | 2887 | |
63a75b91 SB |
2888 | if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD)) |
2889 | return false; | |
2890 | ||
2891 | ath9k_hw_init_pll(ah, NULL); | |
2892 | return true; | |
f078f209 | 2893 | } |
7322fd19 | 2894 | EXPORT_SYMBOL(ath9k_hw_disable); |
f078f209 | 2895 | |
ca2c68cc FF |
2896 | static int get_antenna_gain(struct ath_hw *ah, struct ath9k_channel *chan) |
2897 | { | |
2898 | enum eeprom_param gain_param; | |
2899 | ||
2900 | if (IS_CHAN_2GHZ(chan)) | |
2901 | gain_param = EEP_ANTENNA_GAIN_2G; | |
2902 | else | |
2903 | gain_param = EEP_ANTENNA_GAIN_5G; | |
2904 | ||
2905 | return ah->eep_ops->get_eeprom(ah, gain_param); | |
2906 | } | |
2907 | ||
64ea57d0 GJ |
2908 | void ath9k_hw_apply_txpower(struct ath_hw *ah, struct ath9k_channel *chan, |
2909 | bool test) | |
ca2c68cc FF |
2910 | { |
2911 | struct ath_regulatory *reg = ath9k_hw_regulatory(ah); | |
2912 | struct ieee80211_channel *channel; | |
71f5137b | 2913 | int chan_pwr, new_pwr; |
ca2c68cc FF |
2914 | |
2915 | if (!chan) | |
2916 | return; | |
2917 | ||
2918 | channel = chan->chan; | |
2919 | chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER); | |
2920 | new_pwr = min_t(int, chan_pwr, reg->power_limit); | |
ca2c68cc FF |
2921 | |
2922 | ah->eep_ops->set_txpower(ah, chan, | |
2923 | ath9k_regd_get_ctl(reg, chan), | |
71f5137b | 2924 | get_antenna_gain(ah, chan), new_pwr, test); |
ca2c68cc FF |
2925 | } |
2926 | ||
de40f316 | 2927 | void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, bool test) |
f078f209 | 2928 | { |
ca2c68cc | 2929 | struct ath_regulatory *reg = ath9k_hw_regulatory(ah); |
2660b81a | 2930 | struct ath9k_channel *chan = ah->curchan; |
5f8e077c | 2931 | struct ieee80211_channel *channel = chan->chan; |
9c204b46 | 2932 | |
48ef5c42 | 2933 | reg->power_limit = min_t(u32, limit, MAX_RATE_POWER); |
9c204b46 | 2934 | if (test) |
ca2c68cc | 2935 | channel->max_power = MAX_RATE_POWER / 2; |
f078f209 | 2936 | |
64ea57d0 | 2937 | ath9k_hw_apply_txpower(ah, chan, test); |
6f255425 | 2938 | |
ca2c68cc FF |
2939 | if (test) |
2940 | channel->max_power = DIV_ROUND_UP(reg->max_power_level, 2); | |
6f255425 | 2941 | } |
7322fd19 | 2942 | EXPORT_SYMBOL(ath9k_hw_set_txpowerlimit); |
6f255425 | 2943 | |
cbe61d8a | 2944 | void ath9k_hw_setopmode(struct ath_hw *ah) |
f078f209 | 2945 | { |
2660b81a | 2946 | ath9k_hw_set_operating_mode(ah, ah->opmode); |
f078f209 | 2947 | } |
7322fd19 | 2948 | EXPORT_SYMBOL(ath9k_hw_setopmode); |
f078f209 | 2949 | |
cbe61d8a | 2950 | void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1) |
f078f209 | 2951 | { |
f1dc5600 S |
2952 | REG_WRITE(ah, AR_MCAST_FIL0, filter0); |
2953 | REG_WRITE(ah, AR_MCAST_FIL1, filter1); | |
f078f209 | 2954 | } |
7322fd19 | 2955 | EXPORT_SYMBOL(ath9k_hw_setmcastfilter); |
f078f209 | 2956 | |
f2b2143e | 2957 | void ath9k_hw_write_associd(struct ath_hw *ah) |
f078f209 | 2958 | { |
1510718d LR |
2959 | struct ath_common *common = ath9k_hw_common(ah); |
2960 | ||
2961 | REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(common->curbssid)); | |
2962 | REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(common->curbssid + 4) | | |
2963 | ((common->curaid & 0x3fff) << AR_BSS_ID1_AID_S)); | |
f078f209 | 2964 | } |
7322fd19 | 2965 | EXPORT_SYMBOL(ath9k_hw_write_associd); |
f078f209 | 2966 | |
1c0fc65e BP |
2967 | #define ATH9K_MAX_TSF_READ 10 |
2968 | ||
cbe61d8a | 2969 | u64 ath9k_hw_gettsf64(struct ath_hw *ah) |
f078f209 | 2970 | { |
1c0fc65e BP |
2971 | u32 tsf_lower, tsf_upper1, tsf_upper2; |
2972 | int i; | |
2973 | ||
2974 | tsf_upper1 = REG_READ(ah, AR_TSF_U32); | |
2975 | for (i = 0; i < ATH9K_MAX_TSF_READ; i++) { | |
2976 | tsf_lower = REG_READ(ah, AR_TSF_L32); | |
2977 | tsf_upper2 = REG_READ(ah, AR_TSF_U32); | |
2978 | if (tsf_upper2 == tsf_upper1) | |
2979 | break; | |
2980 | tsf_upper1 = tsf_upper2; | |
2981 | } | |
f078f209 | 2982 | |
1c0fc65e | 2983 | WARN_ON( i == ATH9K_MAX_TSF_READ ); |
f078f209 | 2984 | |
1c0fc65e | 2985 | return (((u64)tsf_upper1 << 32) | tsf_lower); |
f1dc5600 | 2986 | } |
7322fd19 | 2987 | EXPORT_SYMBOL(ath9k_hw_gettsf64); |
f078f209 | 2988 | |
cbe61d8a | 2989 | void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64) |
27abe060 | 2990 | { |
27abe060 | 2991 | REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff); |
b9a16197 | 2992 | REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff); |
27abe060 | 2993 | } |
7322fd19 | 2994 | EXPORT_SYMBOL(ath9k_hw_settsf64); |
27abe060 | 2995 | |
cbe61d8a | 2996 | void ath9k_hw_reset_tsf(struct ath_hw *ah) |
f1dc5600 | 2997 | { |
f9b604f6 GJ |
2998 | if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0, |
2999 | AH_TSF_WRITE_TIMEOUT)) | |
d2182b69 | 3000 | ath_dbg(ath9k_hw_common(ah), RESET, |
226afe68 | 3001 | "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n"); |
f9b604f6 | 3002 | |
f1dc5600 S |
3003 | REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE); |
3004 | } | |
7322fd19 | 3005 | EXPORT_SYMBOL(ath9k_hw_reset_tsf); |
f078f209 | 3006 | |
60ca9f87 | 3007 | void ath9k_hw_set_tsfadjust(struct ath_hw *ah, bool set) |
f1dc5600 | 3008 | { |
60ca9f87 | 3009 | if (set) |
2660b81a | 3010 | ah->misc_mode |= AR_PCU_TX_ADD_TSF; |
f1dc5600 | 3011 | else |
2660b81a | 3012 | ah->misc_mode &= ~AR_PCU_TX_ADD_TSF; |
f1dc5600 | 3013 | } |
7322fd19 | 3014 | EXPORT_SYMBOL(ath9k_hw_set_tsfadjust); |
f078f209 | 3015 | |
e4744ec7 | 3016 | void ath9k_hw_set11nmac2040(struct ath_hw *ah, struct ath9k_channel *chan) |
f1dc5600 S |
3017 | { |
3018 | u32 macmode; | |
3019 | ||
e4744ec7 | 3020 | if (IS_CHAN_HT40(chan) && !ah->config.cwm_ignore_extcca) |
f1dc5600 S |
3021 | macmode = AR_2040_JOINED_RX_CLEAR; |
3022 | else | |
3023 | macmode = 0; | |
f078f209 | 3024 | |
f1dc5600 | 3025 | REG_WRITE(ah, AR_2040_MODE, macmode); |
f078f209 | 3026 | } |
ff155a45 VT |
3027 | |
3028 | /* HW Generic timers configuration */ | |
3029 | ||
3030 | static const struct ath_gen_timer_configuration gen_tmr_configuration[] = | |
3031 | { | |
3032 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, | |
3033 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, | |
3034 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, | |
3035 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, | |
3036 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, | |
3037 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, | |
3038 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, | |
3039 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, | |
3040 | {AR_NEXT_NDP2_TIMER, AR_NDP2_PERIOD, AR_NDP2_TIMER_MODE, 0x0001}, | |
3041 | {AR_NEXT_NDP2_TIMER + 1*4, AR_NDP2_PERIOD + 1*4, | |
3042 | AR_NDP2_TIMER_MODE, 0x0002}, | |
3043 | {AR_NEXT_NDP2_TIMER + 2*4, AR_NDP2_PERIOD + 2*4, | |
3044 | AR_NDP2_TIMER_MODE, 0x0004}, | |
3045 | {AR_NEXT_NDP2_TIMER + 3*4, AR_NDP2_PERIOD + 3*4, | |
3046 | AR_NDP2_TIMER_MODE, 0x0008}, | |
3047 | {AR_NEXT_NDP2_TIMER + 4*4, AR_NDP2_PERIOD + 4*4, | |
3048 | AR_NDP2_TIMER_MODE, 0x0010}, | |
3049 | {AR_NEXT_NDP2_TIMER + 5*4, AR_NDP2_PERIOD + 5*4, | |
3050 | AR_NDP2_TIMER_MODE, 0x0020}, | |
3051 | {AR_NEXT_NDP2_TIMER + 6*4, AR_NDP2_PERIOD + 6*4, | |
3052 | AR_NDP2_TIMER_MODE, 0x0040}, | |
3053 | {AR_NEXT_NDP2_TIMER + 7*4, AR_NDP2_PERIOD + 7*4, | |
3054 | AR_NDP2_TIMER_MODE, 0x0080} | |
3055 | }; | |
3056 | ||
3057 | /* HW generic timer primitives */ | |
3058 | ||
dd347f2f | 3059 | u32 ath9k_hw_gettsf32(struct ath_hw *ah) |
ff155a45 VT |
3060 | { |
3061 | return REG_READ(ah, AR_TSF_L32); | |
3062 | } | |
dd347f2f | 3063 | EXPORT_SYMBOL(ath9k_hw_gettsf32); |
ff155a45 | 3064 | |
f4c34af4 SM |
3065 | void ath9k_hw_gen_timer_start_tsf2(struct ath_hw *ah) |
3066 | { | |
3067 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; | |
3068 | ||
3069 | if (timer_table->tsf2_enabled) { | |
3070 | REG_SET_BIT(ah, AR_DIRECT_CONNECT, AR_DC_AP_STA_EN); | |
3071 | REG_SET_BIT(ah, AR_RESET_TSF, AR_RESET_TSF2_ONCE); | |
3072 | } | |
3073 | } | |
3074 | ||
ff155a45 VT |
3075 | struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah, |
3076 | void (*trigger)(void *), | |
3077 | void (*overflow)(void *), | |
3078 | void *arg, | |
3079 | u8 timer_index) | |
3080 | { | |
3081 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; | |
3082 | struct ath_gen_timer *timer; | |
3083 | ||
c67ce339 | 3084 | if ((timer_index < AR_FIRST_NDP_TIMER) || |
f4c34af4 SM |
3085 | (timer_index >= ATH_MAX_GEN_TIMER)) |
3086 | return NULL; | |
3087 | ||
3088 | if ((timer_index > AR_FIRST_NDP_TIMER) && | |
3089 | !AR_SREV_9300_20_OR_LATER(ah)) | |
c67ce339 FF |
3090 | return NULL; |
3091 | ||
ff155a45 | 3092 | timer = kzalloc(sizeof(struct ath_gen_timer), GFP_KERNEL); |
14f8dc49 | 3093 | if (timer == NULL) |
ff155a45 | 3094 | return NULL; |
ff155a45 VT |
3095 | |
3096 | /* allocate a hardware generic timer slot */ | |
3097 | timer_table->timers[timer_index] = timer; | |
3098 | timer->index = timer_index; | |
3099 | timer->trigger = trigger; | |
3100 | timer->overflow = overflow; | |
3101 | timer->arg = arg; | |
3102 | ||
f4c34af4 SM |
3103 | if ((timer_index > AR_FIRST_NDP_TIMER) && !timer_table->tsf2_enabled) { |
3104 | timer_table->tsf2_enabled = true; | |
3105 | ath9k_hw_gen_timer_start_tsf2(ah); | |
3106 | } | |
3107 | ||
ff155a45 VT |
3108 | return timer; |
3109 | } | |
7322fd19 | 3110 | EXPORT_SYMBOL(ath_gen_timer_alloc); |
ff155a45 | 3111 | |
cd9bf689 LR |
3112 | void ath9k_hw_gen_timer_start(struct ath_hw *ah, |
3113 | struct ath_gen_timer *timer, | |
c67ce339 | 3114 | u32 timer_next, |
cd9bf689 | 3115 | u32 timer_period) |
ff155a45 VT |
3116 | { |
3117 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; | |
c67ce339 | 3118 | u32 mask = 0; |
788f6875 | 3119 | |
c67ce339 | 3120 | timer_table->timer_mask |= BIT(timer->index); |
ff155a45 | 3121 | |
ff155a45 VT |
3122 | /* |
3123 | * Program generic timer registers | |
3124 | */ | |
3125 | REG_WRITE(ah, gen_tmr_configuration[timer->index].next_addr, | |
3126 | timer_next); | |
3127 | REG_WRITE(ah, gen_tmr_configuration[timer->index].period_addr, | |
3128 | timer_period); | |
3129 | REG_SET_BIT(ah, gen_tmr_configuration[timer->index].mode_addr, | |
3130 | gen_tmr_configuration[timer->index].mode_mask); | |
3131 | ||
a4a2954f | 3132 | if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) { |
2577c6e8 | 3133 | /* |
423e38e8 | 3134 | * Starting from AR9462, each generic timer can select which tsf |
2577c6e8 SB |
3135 | * to use. But we still follow the old rule, 0 - 7 use tsf and |
3136 | * 8 - 15 use tsf2. | |
3137 | */ | |
3138 | if ((timer->index < AR_GEN_TIMER_BANK_1_LEN)) | |
3139 | REG_CLR_BIT(ah, AR_MAC_PCU_GEN_TIMER_TSF_SEL, | |
3140 | (1 << timer->index)); | |
3141 | else | |
3142 | REG_SET_BIT(ah, AR_MAC_PCU_GEN_TIMER_TSF_SEL, | |
3143 | (1 << timer->index)); | |
3144 | } | |
3145 | ||
c67ce339 FF |
3146 | if (timer->trigger) |
3147 | mask |= SM(AR_GENTMR_BIT(timer->index), | |
3148 | AR_IMR_S5_GENTIMER_TRIG); | |
3149 | if (timer->overflow) | |
3150 | mask |= SM(AR_GENTMR_BIT(timer->index), | |
3151 | AR_IMR_S5_GENTIMER_THRESH); | |
3152 | ||
3153 | REG_SET_BIT(ah, AR_IMR_S5, mask); | |
3154 | ||
3155 | if ((ah->imask & ATH9K_INT_GENTIMER) == 0) { | |
3156 | ah->imask |= ATH9K_INT_GENTIMER; | |
3157 | ath9k_hw_set_interrupts(ah); | |
3158 | } | |
ff155a45 | 3159 | } |
7322fd19 | 3160 | EXPORT_SYMBOL(ath9k_hw_gen_timer_start); |
ff155a45 | 3161 | |
cd9bf689 | 3162 | void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer) |
ff155a45 VT |
3163 | { |
3164 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; | |
3165 | ||
ff155a45 VT |
3166 | /* Clear generic timer enable bits. */ |
3167 | REG_CLR_BIT(ah, gen_tmr_configuration[timer->index].mode_addr, | |
3168 | gen_tmr_configuration[timer->index].mode_mask); | |
3169 | ||
b7f59766 SM |
3170 | if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) { |
3171 | /* | |
3172 | * Need to switch back to TSF if it was using TSF2. | |
3173 | */ | |
3174 | if ((timer->index >= AR_GEN_TIMER_BANK_1_LEN)) { | |
3175 | REG_CLR_BIT(ah, AR_MAC_PCU_GEN_TIMER_TSF_SEL, | |
3176 | (1 << timer->index)); | |
3177 | } | |
3178 | } | |
3179 | ||
ff155a45 VT |
3180 | /* Disable both trigger and thresh interrupt masks */ |
3181 | REG_CLR_BIT(ah, AR_IMR_S5, | |
3182 | (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) | | |
3183 | SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG))); | |
3184 | ||
c67ce339 FF |
3185 | timer_table->timer_mask &= ~BIT(timer->index); |
3186 | ||
3187 | if (timer_table->timer_mask == 0) { | |
3188 | ah->imask &= ~ATH9K_INT_GENTIMER; | |
3189 | ath9k_hw_set_interrupts(ah); | |
3190 | } | |
ff155a45 | 3191 | } |
7322fd19 | 3192 | EXPORT_SYMBOL(ath9k_hw_gen_timer_stop); |
ff155a45 VT |
3193 | |
3194 | void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer) | |
3195 | { | |
3196 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; | |
3197 | ||
3198 | /* free the hardware generic timer slot */ | |
3199 | timer_table->timers[timer->index] = NULL; | |
3200 | kfree(timer); | |
3201 | } | |
7322fd19 | 3202 | EXPORT_SYMBOL(ath_gen_timer_free); |
ff155a45 VT |
3203 | |
3204 | /* | |
3205 | * Generic Timer Interrupts handling | |
3206 | */ | |
3207 | void ath_gen_timer_isr(struct ath_hw *ah) | |
3208 | { | |
3209 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; | |
3210 | struct ath_gen_timer *timer; | |
c67ce339 FF |
3211 | unsigned long trigger_mask, thresh_mask; |
3212 | unsigned int index; | |
ff155a45 VT |
3213 | |
3214 | /* get hardware generic timer interrupt status */ | |
3215 | trigger_mask = ah->intr_gen_timer_trigger; | |
3216 | thresh_mask = ah->intr_gen_timer_thresh; | |
c67ce339 FF |
3217 | trigger_mask &= timer_table->timer_mask; |
3218 | thresh_mask &= timer_table->timer_mask; | |
ff155a45 | 3219 | |
c67ce339 | 3220 | for_each_set_bit(index, &thresh_mask, ARRAY_SIZE(timer_table->timers)) { |
ff155a45 | 3221 | timer = timer_table->timers[index]; |
c67ce339 FF |
3222 | if (!timer) |
3223 | continue; | |
3224 | if (!timer->overflow) | |
3225 | continue; | |
a6a172b2 FF |
3226 | |
3227 | trigger_mask &= ~BIT(index); | |
ff155a45 VT |
3228 | timer->overflow(timer->arg); |
3229 | } | |
3230 | ||
c67ce339 | 3231 | for_each_set_bit(index, &trigger_mask, ARRAY_SIZE(timer_table->timers)) { |
ff155a45 | 3232 | timer = timer_table->timers[index]; |
c67ce339 FF |
3233 | if (!timer) |
3234 | continue; | |
3235 | if (!timer->trigger) | |
3236 | continue; | |
ff155a45 VT |
3237 | timer->trigger(timer->arg); |
3238 | } | |
3239 | } | |
7322fd19 | 3240 | EXPORT_SYMBOL(ath_gen_timer_isr); |
2da4f01a | 3241 | |
05020d23 S |
3242 | /********/ |
3243 | /* HTC */ | |
3244 | /********/ | |
3245 | ||
2da4f01a LR |
3246 | static struct { |
3247 | u32 version; | |
3248 | const char * name; | |
3249 | } ath_mac_bb_names[] = { | |
3250 | /* Devices with external radios */ | |
3251 | { AR_SREV_VERSION_5416_PCI, "5416" }, | |
3252 | { AR_SREV_VERSION_5416_PCIE, "5418" }, | |
3253 | { AR_SREV_VERSION_9100, "9100" }, | |
3254 | { AR_SREV_VERSION_9160, "9160" }, | |
3255 | /* Single-chip solutions */ | |
3256 | { AR_SREV_VERSION_9280, "9280" }, | |
3257 | { AR_SREV_VERSION_9285, "9285" }, | |
11158472 LR |
3258 | { AR_SREV_VERSION_9287, "9287" }, |
3259 | { AR_SREV_VERSION_9271, "9271" }, | |
ec83903e | 3260 | { AR_SREV_VERSION_9300, "9300" }, |
2c8e5937 | 3261 | { AR_SREV_VERSION_9330, "9330" }, |
397e5d5b | 3262 | { AR_SREV_VERSION_9340, "9340" }, |
8f06ca2c | 3263 | { AR_SREV_VERSION_9485, "9485" }, |
423e38e8 | 3264 | { AR_SREV_VERSION_9462, "9462" }, |
485124cb | 3265 | { AR_SREV_VERSION_9550, "9550" }, |
77fac465 | 3266 | { AR_SREV_VERSION_9565, "9565" }, |
c08148bb | 3267 | { AR_SREV_VERSION_9531, "9531" }, |
1165dd90 | 3268 | { AR_SREV_VERSION_9561, "9561" }, |
2da4f01a LR |
3269 | }; |
3270 | ||
3271 | /* For devices with external radios */ | |
3272 | static struct { | |
3273 | u16 version; | |
3274 | const char * name; | |
3275 | } ath_rf_names[] = { | |
3276 | { 0, "5133" }, | |
3277 | { AR_RAD5133_SREV_MAJOR, "5133" }, | |
3278 | { AR_RAD5122_SREV_MAJOR, "5122" }, | |
3279 | { AR_RAD2133_SREV_MAJOR, "2133" }, | |
3280 | { AR_RAD2122_SREV_MAJOR, "2122" } | |
3281 | }; | |
3282 | ||
3283 | /* | |
3284 | * Return the MAC/BB name. "????" is returned if the MAC/BB is unknown. | |
3285 | */ | |
f934c4d9 | 3286 | static const char *ath9k_hw_mac_bb_name(u32 mac_bb_version) |
2da4f01a LR |
3287 | { |
3288 | int i; | |
3289 | ||
3290 | for (i=0; i<ARRAY_SIZE(ath_mac_bb_names); i++) { | |
3291 | if (ath_mac_bb_names[i].version == mac_bb_version) { | |
3292 | return ath_mac_bb_names[i].name; | |
3293 | } | |
3294 | } | |
3295 | ||
3296 | return "????"; | |
3297 | } | |
2da4f01a LR |
3298 | |
3299 | /* | |
3300 | * Return the RF name. "????" is returned if the RF is unknown. | |
3301 | * Used for devices with external radios. | |
3302 | */ | |
f934c4d9 | 3303 | static const char *ath9k_hw_rf_name(u16 rf_version) |
2da4f01a LR |
3304 | { |
3305 | int i; | |
3306 | ||
3307 | for (i=0; i<ARRAY_SIZE(ath_rf_names); i++) { | |
3308 | if (ath_rf_names[i].version == rf_version) { | |
3309 | return ath_rf_names[i].name; | |
3310 | } | |
3311 | } | |
3312 | ||
3313 | return "????"; | |
3314 | } | |
f934c4d9 LR |
3315 | |
3316 | void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len) | |
3317 | { | |
3318 | int used; | |
3319 | ||
3320 | /* chipsets >= AR9280 are single-chip */ | |
7a37081e | 3321 | if (AR_SREV_9280_20_OR_LATER(ah)) { |
5e88ba62 ZK |
3322 | used = scnprintf(hw_name, len, |
3323 | "Atheros AR%s Rev:%x", | |
3324 | ath9k_hw_mac_bb_name(ah->hw_version.macVersion), | |
3325 | ah->hw_version.macRev); | |
f934c4d9 LR |
3326 | } |
3327 | else { | |
5e88ba62 ZK |
3328 | used = scnprintf(hw_name, len, |
3329 | "Atheros AR%s MAC/BB Rev:%x AR%s RF Rev:%x", | |
3330 | ath9k_hw_mac_bb_name(ah->hw_version.macVersion), | |
3331 | ah->hw_version.macRev, | |
3332 | ath9k_hw_rf_name((ah->hw_version.analog5GhzRev | |
3333 | & AR_RADIO_SREV_MAJOR)), | |
3334 | ah->hw_version.phyRev); | |
f934c4d9 LR |
3335 | } |
3336 | ||
3337 | hw_name[used] = '\0'; | |
3338 | } | |
3339 | EXPORT_SYMBOL(ath9k_hw_name); |