projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
[deliverable/linux.git] / sound / soc / codecs / wm8995.c
CommitLineData
6a504a75
DP		 1/*
2 * wm8995.c -- WM8995 ALSA SoC Audio driver
3 *
4 * Copyright 2010 Wolfson Microelectronics plc
5 *
6 * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
7 *
8 * Based on wm8994.c and wm_hubs.c by Mark Brown
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/module.h>
16#include <linux/moduleparam.h>
17#include <linux/init.h>
18#include <linux/delay.h>
19#include <linux/pm.h>
20#include <linux/i2c.h>
c42da642 21#include <linux/regmap.h>
6a504a75 22#include <linux/spi/spi.h>
219d8df8 23#include <linux/regulator/consumer.h>
6a504a75
DP		 24#include <linux/slab.h>
25#include <sound/core.h>
26#include <sound/pcm.h>
27#include <sound/pcm_params.h>
28#include <sound/soc.h>
29#include <sound/soc-dapm.h>
30#include <sound/initval.h>
31#include <sound/tlv.h>
32
33#include "wm8995.h"
34
219d8df8
DP		 35#define WM8995_NUM_SUPPLIES 8
36static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = {
37 "DCVDD",
38 "DBVDD1",
39 "DBVDD2",
40 "DBVDD3",
41 "AVDD1",
42 "AVDD2",
43 "CPVDD",
44 "MICVDD"
45};
46
c42da642
MB		 47static struct reg_default wm8995_reg_defaults[] = {
48 { 0, 0x8995 },
49 { 5, 0x0100 },
50 { 16, 0x000b },
51 { 17, 0x000b },
52 { 24, 0x02c0 },
53 { 25, 0x02c0 },
54 { 26, 0x02c0 },
55 { 27, 0x02c0 },
56 { 28, 0x000f },
57 { 32, 0x0005 },
58 { 33, 0x0005 },
59 { 40, 0x0003 },
60 { 41, 0x0013 },
61 { 48, 0x0004 },
62 { 56, 0x09f8 },
63 { 64, 0x1f25 },
64 { 69, 0x0004 },
65 { 82, 0xaaaa },
66 { 84, 0x2a2a },
67 { 146, 0x0060 },
68 { 256, 0x0002 },
69 { 257, 0x8004 },
70 { 520, 0x0010 },
71 { 528, 0x0083 },
72 { 529, 0x0083 },
73 { 548, 0x0c80 },
74 { 580, 0x0c80 },
75 { 768, 0x4050 },
76 { 769, 0x4000 },
77 { 771, 0x0040 },
78 { 772, 0x0040 },
79 { 773, 0x0040 },
80 { 774, 0x0004 },
81 { 775, 0x0100 },
82 { 784, 0x4050 },
83 { 785, 0x4000 },
84 { 787, 0x0040 },
85 { 788, 0x0040 },
86 { 789, 0x0040 },
87 { 1024, 0x00c0 },
88 { 1025, 0x00c0 },
89 { 1026, 0x00c0 },
90 { 1027, 0x00c0 },
91 { 1028, 0x00c0 },
92 { 1029, 0x00c0 },
93 { 1030, 0x00c0 },
94 { 1031, 0x00c0 },
95 { 1056, 0x0200 },
96 { 1057, 0x0010 },
97 { 1058, 0x0200 },
98 { 1059, 0x0010 },
99 { 1088, 0x0098 },
100 { 1089, 0x0845 },
101 { 1104, 0x0098 },
102 { 1105, 0x0845 },
103 { 1152, 0x6318 },
104 { 1153, 0x6300 },
105 { 1154, 0x0fca },
106 { 1155, 0x0400 },
107 { 1156, 0x00d8 },
108 { 1157, 0x1eb5 },
109 { 1158, 0xf145 },
110 { 1159, 0x0b75 },
111 { 1160, 0x01c5 },
112 { 1161, 0x1c58 },
113 { 1162, 0xf373 },
114 { 1163, 0x0a54 },
115 { 1164, 0x0558 },
116 { 1165, 0x168e },
117 { 1166, 0xf829 },
118 { 1167, 0x07ad },
119 { 1168, 0x1103 },
120 { 1169, 0x0564 },
121 { 1170, 0x0559 },
122 { 1171, 0x4000 },
123 { 1184, 0x6318 },
124 { 1185, 0x6300 },
125 { 1186, 0x0fca },
126 { 1187, 0x0400 },
127 { 1188, 0x00d8 },
128 { 1189, 0x1eb5 },
129 { 1190, 0xf145 },
130 { 1191, 0x0b75 },
131 { 1192, 0x01c5 },
132 { 1193, 0x1c58 },
133 { 1194, 0xf373 },
134 { 1195, 0x0a54 },
135 { 1196, 0x0558 },
136 { 1197, 0x168e },
137 { 1198, 0xf829 },
138 { 1199, 0x07ad },
139 { 1200, 0x1103 },
140 { 1201, 0x0564 },
141 { 1202, 0x0559 },
142 { 1203, 0x4000 },
143 { 1280, 0x00c0 },
144 { 1281, 0x00c0 },
145 { 1282, 0x00c0 },
146 { 1283, 0x00c0 },
147 { 1312, 0x0200 },
148 { 1313, 0x0010 },
149 { 1344, 0x0098 },
150 { 1345, 0x0845 },
151 { 1408, 0x6318 },
152 { 1409, 0x6300 },
153 { 1410, 0x0fca },
154 { 1411, 0x0400 },
155 { 1412, 0x00d8 },
156 { 1413, 0x1eb5 },
157 { 1414, 0xf145 },
158 { 1415, 0x0b75 },
159 { 1416, 0x01c5 },
160 { 1417, 0x1c58 },
161 { 1418, 0xf373 },
162 { 1419, 0x0a54 },
163 { 1420, 0x0558 },
164 { 1421, 0x168e },
165 { 1422, 0xf829 },
166 { 1423, 0x07ad },
167 { 1424, 0x1103 },
168 { 1425, 0x0564 },
169 { 1426, 0x0559 },
170 { 1427, 0x4000 },
171 { 1568, 0x0002 },
172 { 1792, 0xa100 },
173 { 1793, 0xa101 },
174 { 1794, 0xa101 },
175 { 1795, 0xa101 },
176 { 1796, 0xa101 },
177 { 1797, 0xa101 },
178 { 1798, 0xa101 },
179 { 1799, 0xa101 },
180 { 1800, 0xa101 },
181 { 1801, 0xa101 },
182 { 1802, 0xa101 },
183 { 1803, 0xa101 },
184 { 1804, 0xa101 },
185 { 1805, 0xa101 },
186 { 1825, 0x0055 },
187 { 1848, 0x3fff },
188 { 1849, 0x1fff },
189 { 2049, 0x0001 },
190 { 2050, 0x0069 },
191 { 2056, 0x0002 },
192 { 2057, 0x0003 },
193 { 2058, 0x0069 },
194 { 12288, 0x0001 },
195 { 12289, 0x0001 },
196 { 12291, 0x0006 },
197 { 12292, 0x0040 },
198 { 12293, 0x0001 },
199 { 12294, 0x000f },
200 { 12295, 0x0006 },
201 { 12296, 0x0001 },
202 { 12297, 0x0003 },
203 { 12298, 0x0104 },
204 { 12300, 0x0060 },
205 { 12301, 0x0011 },
206 { 12302, 0x0401 },
207 { 12304, 0x0050 },
208 { 12305, 0x0003 },
209 { 12306, 0x0100 },
210 { 12308, 0x0051 },
211 { 12309, 0x0003 },
212 { 12310, 0x0104 },
213 { 12311, 0x000a },
214 { 12312, 0x0060 },
215 { 12313, 0x003b },
216 { 12314, 0x0502 },
217 { 12315, 0x0100 },
218 { 12316, 0x2fff },
219 { 12320, 0x2fff },
220 { 12324, 0x2fff },
221 { 12328, 0x2fff },
222 { 12332, 0x2fff },
223 { 12336, 0x2fff },
224 { 12340, 0x2fff },
225 { 12344, 0x2fff },
226 { 12348, 0x2fff },
227 { 12352, 0x0001 },
228 { 12353, 0x0001 },
229 { 12355, 0x0006 },
230 { 12356, 0x0040 },
231 { 12357, 0x0001 },
232 { 12358, 0x000f },
233 { 12359, 0x0006 },
234 { 12360, 0x0001 },
235 { 12361, 0x0003 },
236 { 12362, 0x0104 },
237 { 12364, 0x0060 },
238 { 12365, 0x0011 },
239 { 12366, 0x0401 },
240 { 12368, 0x0050 },
241 { 12369, 0x0003 },
242 { 12370, 0x0100 },
243 { 12372, 0x0060 },
244 { 12373, 0x003b },
245 { 12374, 0x0502 },
246 { 12375, 0x0100 },
247 { 12376, 0x2fff },
248 { 12380, 0x2fff },
249 { 12384, 0x2fff },
250 { 12388, 0x2fff },
251 { 12392, 0x2fff },
252 { 12396, 0x2fff },
253 { 12400, 0x2fff },
254 { 12404, 0x2fff },
255 { 12408, 0x2fff },
256 { 12412, 0x2fff },
257 { 12416, 0x0001 },
258 { 12417, 0x0001 },
259 { 12419, 0x0006 },
260 { 12420, 0x0040 },
261 { 12421, 0x0001 },
262 { 12422, 0x000f },
263 { 12423, 0x0006 },
264 { 12424, 0x0001 },
265 { 12425, 0x0003 },
266 { 12426, 0x0106 },
267 { 12428, 0x0061 },
268 { 12429, 0x0011 },
269 { 12430, 0x0401 },
270 { 12432, 0x0050 },
271 { 12433, 0x0003 },
272 { 12434, 0x0102 },
273 { 12436, 0x0051 },
274 { 12437, 0x0003 },
275 { 12438, 0x0106 },
276 { 12439, 0x000a },
277 { 12440, 0x0061 },
278 { 12441, 0x003b },
279 { 12442, 0x0502 },
280 { 12443, 0x0100 },
281 { 12444, 0x2fff },
282 { 12448, 0x2fff },
283 { 12452, 0x2fff },
284 { 12456, 0x2fff },
285 { 12460, 0x2fff },
286 { 12464, 0x2fff },
287 { 12468, 0x2fff },
288 { 12472, 0x2fff },
289 { 12476, 0x2fff },
290 { 12480, 0x0001 },
291 { 12481, 0x0001 },
292 { 12483, 0x0006 },
293 { 12484, 0x0040 },
294 { 12485, 0x0001 },
295 { 12486, 0x000f },
296 { 12487, 0x0006 },
297 { 12488, 0x0001 },
298 { 12489, 0x0003 },
299 { 12490, 0x0106 },
300 { 12492, 0x0061 },
301 { 12493, 0x0011 },
302 { 12494, 0x0401 },
303 { 12496, 0x0050 },
304 { 12497, 0x0003 },
305 { 12498, 0x0102 },
306 { 12500, 0x0061 },
307 { 12501, 0x003b },
308 { 12502, 0x0502 },
309 { 12503, 0x0100 },
310 { 12504, 0x2fff },
311 { 12508, 0x2fff },
312 { 12512, 0x2fff },
313 { 12516, 0x2fff },
314 { 12520, 0x2fff },
315 { 12524, 0x2fff },
316 { 12528, 0x2fff },
317 { 12532, 0x2fff },
318 { 12536, 0x2fff },
319 { 12540, 0x2fff },
320 { 12544, 0x0060 },
321 { 12546, 0x0601 },
322 { 12548, 0x0050 },
323 { 12550, 0x0100 },
324 { 12552, 0x0001 },
325 { 12554, 0x0104 },
326 { 12555, 0x0100 },
327 { 12556, 0x2fff },
328 { 12560, 0x2fff },
329 { 12564, 0x2fff },
330 { 12568, 0x2fff },
331 { 12572, 0x2fff },
332 { 12576, 0x2fff },
333 { 12580, 0x2fff },
334 { 12584, 0x2fff },
335 { 12588, 0x2fff },
336 { 12592, 0x2fff },
337 { 12596, 0x2fff },
338 { 12600, 0x2fff },
339 { 12604, 0x2fff },
340 { 12608, 0x0061 },
341 { 12610, 0x0601 },
342 { 12612, 0x0050 },
343 { 12614, 0x0102 },
344 { 12616, 0x0001 },
345 { 12618, 0x0106 },
346 { 12619, 0x0100 },
347 { 12620, 0x2fff },
348 { 12624, 0x2fff },
349 { 12628, 0x2fff },
350 { 12632, 0x2fff },
351 { 12636, 0x2fff },
352 { 12640, 0x2fff },
353 { 12644, 0x2fff },
354 { 12648, 0x2fff },
355 { 12652, 0x2fff },
356 { 12656, 0x2fff },
357 { 12660, 0x2fff },
358 { 12664, 0x2fff },
359 { 12668, 0x2fff },
360 { 12672, 0x0060 },
361 { 12674, 0x0601 },
362 { 12676, 0x0061 },
363 { 12678, 0x0601 },
364 { 12680, 0x0050 },
365 { 12682, 0x0300 },
366 { 12684, 0x0001 },
367 { 12686, 0x0304 },
368 { 12688, 0x0040 },
369 { 12690, 0x000f },
370 { 12692, 0x0001 },
371 { 12695, 0x0100 },
6a504a75
DP		 372};
373
374struct fll_config {
375 int src;
376 int in;
377 int out;
378};
379
380struct wm8995_priv {
c42da642 381 struct regmap *regmap;
6a504a75
DP		 382 int sysclk[2];
383 int mclk[2];
384 int aifclk[2];
385 struct fll_config fll[2], fll_suspend[2];
219d8df8
DP		 386 struct regulator_bulk_data supplies[WM8995_NUM_SUPPLIES];
387 struct notifier_block disable_nb[WM8995_NUM_SUPPLIES];
388 struct snd_soc_codec *codec;
6a504a75
DP		 389};
390
219d8df8
DP		 391/*
392 * We can't use the same notifier block for more than one supply and
393 * there's no way I can see to get from a callback to the caller
394 * except container_of().
395 */
396#define WM8995_REGULATOR_EVENT(n) \
397static int wm8995_regulator_event_##n(struct notifier_block *nb, \
398 unsigned long event, void *data) \
399{ \
400 struct wm8995_priv *wm8995 = container_of(nb, struct wm8995_priv, \
401 disable_nb[n]); \
402 if (event & REGULATOR_EVENT_DISABLE) { \
c42da642 403 regcache_mark_dirty(wm8995->regmap); \
219d8df8
DP		 404 } \
405 return 0; \
406}
407
408WM8995_REGULATOR_EVENT(0)
409WM8995_REGULATOR_EVENT(1)
410WM8995_REGULATOR_EVENT(2)
411WM8995_REGULATOR_EVENT(3)
412WM8995_REGULATOR_EVENT(4)
413WM8995_REGULATOR_EVENT(5)
414WM8995_REGULATOR_EVENT(6)
415WM8995_REGULATOR_EVENT(7)
416
6a504a75
DP		 417static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
418static const DECLARE_TLV_DB_SCALE(in1lr_pga_tlv, -1650, 150, 0);
419static const DECLARE_TLV_DB_SCALE(in1l_boost_tlv, 0, 600, 0);
420static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
421
422static const char *in1l_text[] = {
423 "Differential", "Single-ended IN1LN", "Single-ended IN1LP"
424};
425
48e50ce3
TI		 426static SOC_ENUM_SINGLE_DECL(in1l_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
427 2, in1l_text);
6a504a75
DP		 428
429static const char *in1r_text[] = {
430 "Differential", "Single-ended IN1RN", "Single-ended IN1RP"
431};
432
48e50ce3
TI		 433static SOC_ENUM_SINGLE_DECL(in1r_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
434 0, in1r_text);
6a504a75
DP		 435
436static const char *dmic_src_text[] = {
437 "DMICDAT1", "DMICDAT2", "DMICDAT3"
438};
439
48e50ce3
TI		 440static SOC_ENUM_SINGLE_DECL(dmic_src1_enum, WM8995_POWER_MANAGEMENT_5,
441 8, dmic_src_text);
442static SOC_ENUM_SINGLE_DECL(dmic_src2_enum, WM8995_POWER_MANAGEMENT_5,
443 6, dmic_src_text);
6a504a75
DP		 444
445static const struct snd_kcontrol_new wm8995_snd_controls[] = {
446 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8995_DAC1_LEFT_VOLUME,
447 WM8995_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
448 SOC_DOUBLE_R("DAC1 Switch", WM8995_DAC1_LEFT_VOLUME,
449 WM8995_DAC1_RIGHT_VOLUME, 9, 1, 1),
450
451 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8995_DAC2_LEFT_VOLUME,
452 WM8995_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
453 SOC_DOUBLE_R("DAC2 Switch", WM8995_DAC2_LEFT_VOLUME,
454 WM8995_DAC2_RIGHT_VOLUME, 9, 1, 1),
455
456 SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8995_AIF1_DAC1_LEFT_VOLUME,
457 WM8995_AIF1_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
458 SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8995_AIF1_DAC2_LEFT_VOLUME,
459 WM8995_AIF1_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
460 SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8995_AIF2_DAC_LEFT_VOLUME,
461 WM8995_AIF2_DAC_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
462
463 SOC_DOUBLE_R_TLV("IN1LR Volume", WM8995_LEFT_LINE_INPUT_1_VOLUME,
464 WM8995_RIGHT_LINE_INPUT_1_VOLUME, 0, 31, 0, in1lr_pga_tlv),
465
466 SOC_SINGLE_TLV("IN1L Boost", WM8995_LEFT_LINE_INPUT_CONTROL,
467 4, 3, 0, in1l_boost_tlv),
468
469 SOC_ENUM("IN1L Mode", in1l_enum),
470 SOC_ENUM("IN1R Mode", in1r_enum),
471
472 SOC_ENUM("DMIC1 SRC", dmic_src1_enum),
473 SOC_ENUM("DMIC2 SRC", dmic_src2_enum),
474
475 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8995_DAC1_MIXER_VOLUMES, 0, 5,
476 24, 0, sidetone_tlv),
477 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8995_DAC2_MIXER_VOLUMES, 0, 5,
478 24, 0, sidetone_tlv),
479
480 SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8995_AIF1_ADC1_LEFT_VOLUME,
481 WM8995_AIF1_ADC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
482 SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8995_AIF1_ADC2_LEFT_VOLUME,
483 WM8995_AIF1_ADC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
484 SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8995_AIF2_ADC_LEFT_VOLUME,
485 WM8995_AIF2_ADC_RIGHT_VOLUME, 0, 96, 0, digital_tlv)
486};
487
488static void wm8995_update_class_w(struct snd_soc_codec *codec)
489{
490 int enable = 1;
491 int source = 0; /* GCC flow analysis can't track enable */
492 int reg, reg_r;
493
494 /* We also need the same setting for L/R and only one path */
495 reg = snd_soc_read(codec, WM8995_DAC1_LEFT_MIXER_ROUTING);
496 switch (reg) {
497 case WM8995_AIF2DACL_TO_DAC1L:
498 dev_dbg(codec->dev, "Class W source AIF2DAC\n");
499 source = 2 << WM8995_CP_DYN_SRC_SEL_SHIFT;
500 break;
501 case WM8995_AIF1DAC2L_TO_DAC1L:
502 dev_dbg(codec->dev, "Class W source AIF1DAC2\n");
503 source = 1 << WM8995_CP_DYN_SRC_SEL_SHIFT;
504 break;
505 case WM8995_AIF1DAC1L_TO_DAC1L:
506 dev_dbg(codec->dev, "Class W source AIF1DAC1\n");
507 source = 0 << WM8995_CP_DYN_SRC_SEL_SHIFT;
508 break;
509 default:
510 dev_dbg(codec->dev, "DAC mixer setting: %x\n", reg);
511 enable = 0;
512 break;
513 }
514
515 reg_r = snd_soc_read(codec, WM8995_DAC1_RIGHT_MIXER_ROUTING);
516 if (reg_r != reg) {
517 dev_dbg(codec->dev, "Left and right DAC mixers different\n");
518 enable = 0;
519 }
520
521 if (enable) {
522 dev_dbg(codec->dev, "Class W enabled\n");
523 snd_soc_update_bits(codec, WM8995_CLASS_W_1,
524 WM8995_CP_DYN_PWR_MASK |
525 WM8995_CP_DYN_SRC_SEL_MASK,
526 source | WM8995_CP_DYN_PWR);
527 } else {
528 dev_dbg(codec->dev, "Class W disabled\n");
529 snd_soc_update_bits(codec, WM8995_CLASS_W_1,
530 WM8995_CP_DYN_PWR_MASK, 0);
531 }
532}
533
534static int check_clk_sys(struct snd_soc_dapm_widget *source,
535 struct snd_soc_dapm_widget *sink)
536{
537 unsigned int reg;
538 const char *clk;
539
540 reg = snd_soc_read(source->codec, WM8995_CLOCKING_1);
541 /* Check what we're currently using for CLK_SYS */
542 if (reg & WM8995_SYSCLK_SRC)
543 clk = "AIF2CLK";
544 else
545 clk = "AIF1CLK";
546 return !strcmp(source->name, clk);
547}
548
549static int wm8995_put_class_w(struct snd_kcontrol *kcontrol,
550 struct snd_ctl_elem_value *ucontrol)
551{
eee5d7f9 552 struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
6a504a75
DP		 553 int ret;
554
6a504a75
DP		 555 ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
556 wm8995_update_class_w(codec);
557 return ret;
558}
559
560static int hp_supply_event(struct snd_soc_dapm_widget *w,
561 struct snd_kcontrol *kcontrol, int event)
562{
563 struct snd_soc_codec *codec;
6a504a75
DP		 564
565 codec = w->codec;
6a504a75
DP		 566
567 switch (event) {
568 case SND_SOC_DAPM_PRE_PMU:
569 /* Enable the headphone amp */
570 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
571 WM8995_HPOUT1L_ENA_MASK |
572 WM8995_HPOUT1R_ENA_MASK,
573 WM8995_HPOUT1L_ENA |
574 WM8995_HPOUT1R_ENA);
575
576 /* Enable the second stage */
577 snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
578 WM8995_HPOUT1L_DLY_MASK |
579 WM8995_HPOUT1R_DLY_MASK,
580 WM8995_HPOUT1L_DLY |
581 WM8995_HPOUT1R_DLY);
582 break;
583 case SND_SOC_DAPM_PRE_PMD:
584 snd_soc_update_bits(codec, WM8995_CHARGE_PUMP_1,
585 WM8995_CP_ENA_MASK, 0);
586 break;
587 }
588
589 return 0;
590}
591
592static void dc_servo_cmd(struct snd_soc_codec *codec,
593 unsigned int reg, unsigned int val, unsigned int mask)
594{
595 int timeout = 10;
596
597 dev_dbg(codec->dev, "%s: reg = %#x, val = %#x, mask = %#x\n",
598 __func__, reg, val, mask);
599
600 snd_soc_write(codec, reg, val);
601 while (timeout--) {
602 msleep(10);
603 val = snd_soc_read(codec, WM8995_DC_SERVO_READBACK_0);
604 if ((val & mask) == mask)
605 return;
606 }
607
608 dev_err(codec->dev, "Timed out waiting for DC Servo\n");
609}
610
611static int hp_event(struct snd_soc_dapm_widget *w,
612 struct snd_kcontrol *kcontrol, int event)
613{
614 struct snd_soc_codec *codec;
615 unsigned int reg;
616
617 codec = w->codec;
618 reg = snd_soc_read(codec, WM8995_ANALOGUE_HP_1);
619
620 switch (event) {
621 case SND_SOC_DAPM_POST_PMU:
622 snd_soc_update_bits(codec, WM8995_CHARGE_PUMP_1,
623 WM8995_CP_ENA_MASK, WM8995_CP_ENA);
624
625 msleep(5);
626
627 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
628 WM8995_HPOUT1L_ENA_MASK |
629 WM8995_HPOUT1R_ENA_MASK,
630 WM8995_HPOUT1L_ENA | WM8995_HPOUT1R_ENA);
631
632 udelay(20);
633
634 reg |= WM8995_HPOUT1L_DLY | WM8995_HPOUT1R_DLY;
635 snd_soc_write(codec, WM8995_ANALOGUE_HP_1, reg);
636
637 snd_soc_write(codec, WM8995_DC_SERVO_1, WM8995_DCS_ENA_CHAN_0 |
638 WM8995_DCS_ENA_CHAN_1);
639
640 dc_servo_cmd(codec, WM8995_DC_SERVO_2,
641 WM8995_DCS_TRIG_STARTUP_0 |
642 WM8995_DCS_TRIG_STARTUP_1,
643 WM8995_DCS_TRIG_DAC_WR_0 |
644 WM8995_DCS_TRIG_DAC_WR_1);
645
646 reg |= WM8995_HPOUT1R_OUTP | WM8995_HPOUT1R_RMV_SHORT |
647 WM8995_HPOUT1L_OUTP | WM8995_HPOUT1L_RMV_SHORT;
648 snd_soc_write(codec, WM8995_ANALOGUE_HP_1, reg);
649
650 break;
651 case SND_SOC_DAPM_PRE_PMD:
652 snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
653 WM8995_HPOUT1L_OUTP_MASK |
654 WM8995_HPOUT1R_OUTP_MASK |
655 WM8995_HPOUT1L_RMV_SHORT_MASK |
656 WM8995_HPOUT1R_RMV_SHORT_MASK, 0);
657
658 snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
659 WM8995_HPOUT1L_DLY_MASK |
660 WM8995_HPOUT1R_DLY_MASK, 0);
661
662 snd_soc_write(codec, WM8995_DC_SERVO_1, 0);
663
664 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
665 WM8995_HPOUT1L_ENA_MASK |
666 WM8995_HPOUT1R_ENA_MASK,
667 0);
668 break;
669 }
670
671 return 0;
672}
673
674static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
675{
676 struct wm8995_priv *wm8995;
677 int rate;
678 int reg1 = 0;
679 int offset;
680
681 wm8995 = snd_soc_codec_get_drvdata(codec);
682
683 if (aif)
684 offset = 4;
685 else
686 offset = 0;
687
688 switch (wm8995->sysclk[aif]) {
689 case WM8995_SYSCLK_MCLK1:
690 rate = wm8995->mclk[0];
691 break;
692 case WM8995_SYSCLK_MCLK2:
693 reg1 |= 0x8;
694 rate = wm8995->mclk[1];
695 break;
696 case WM8995_SYSCLK_FLL1:
697 reg1 |= 0x10;
698 rate = wm8995->fll[0].out;
699 break;
700 case WM8995_SYSCLK_FLL2:
701 reg1 |= 0x18;
702 rate = wm8995->fll[1].out;
703 break;
704 default:
705 return -EINVAL;
706 }
707
708 if (rate >= 13500000) {
709 rate /= 2;
710 reg1 |= WM8995_AIF1CLK_DIV;
711
712 dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n",
713 aif + 1, rate);
714 }
715
716 wm8995->aifclk[aif] = rate;
717
718 snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1 + offset,
719 WM8995_AIF1CLK_SRC_MASK | WM8995_AIF1CLK_DIV_MASK,
720 reg1);
721 return 0;
722}
723
724static int configure_clock(struct snd_soc_codec *codec)
725{
726 struct wm8995_priv *wm8995;
73478755 727 int change, new;
6a504a75
DP		 728
729 wm8995 = snd_soc_codec_get_drvdata(codec);
730
731 /* Bring up the AIF clocks first */
732 configure_aif_clock(codec, 0);
733 configure_aif_clock(codec, 1);
734
735 /*
736 * Then switch CLK_SYS over to the higher of them; a change
737 * can only happen as a result of a clocking change which can
738 * only be made outside of DAPM so we can safely redo the
739 * clocking.
740 */
741
742 /* If they're equal it doesn't matter which is used */
743 if (wm8995->aifclk[0] == wm8995->aifclk[1])
744 return 0;
745
746 if (wm8995->aifclk[0] < wm8995->aifclk[1])
747 new = WM8995_SYSCLK_SRC;
748 else
749 new = 0;
750
73478755
AL		 751 change = snd_soc_update_bits(codec, WM8995_CLOCKING_1,
752 WM8995_SYSCLK_SRC_MASK, new);
753 if (!change)
6a504a75
DP		 754 return 0;
755
6a504a75
DP		 756 snd_soc_dapm_sync(&codec->dapm);
757
758 return 0;
759}
760
761static int clk_sys_event(struct snd_soc_dapm_widget *w,
762 struct snd_kcontrol *kcontrol, int event)
763{
764 struct snd_soc_codec *codec;
765
766 codec = w->codec;
767
768 switch (event) {
769 case SND_SOC_DAPM_PRE_PMU:
770 return configure_clock(codec);
771
772 case SND_SOC_DAPM_POST_PMD:
773 configure_clock(codec);
774 break;
775 }
776
777 return 0;
778}
779
780static const char *sidetone_text[] = {
781 "ADC/DMIC1", "DMIC2",
782};
783
15b49e73 784static SOC_ENUM_SINGLE_DECL(sidetone1_enum, WM8995_SIDETONE, 0, sidetone_text);
6a504a75
DP		 785
786static const struct snd_kcontrol_new sidetone1_mux =
787 SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
788
15b49e73 789static SOC_ENUM_SINGLE_DECL(sidetone2_enum, WM8995_SIDETONE, 1, sidetone_text);
6a504a75
DP		 790
791static const struct snd_kcontrol_new sidetone2_mux =
792 SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
793
794static const struct snd_kcontrol_new aif1adc1l_mix[] = {
795 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
796 1, 1, 0),
797 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
798 0, 1, 0),
799};
800
801static const struct snd_kcontrol_new aif1adc1r_mix[] = {
802 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
803 1, 1, 0),
804 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
805 0, 1, 0),
806};
807
808static const struct snd_kcontrol_new aif1adc2l_mix[] = {
809 SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
810 1, 1, 0),
811 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
812 0, 1, 0),
813};
814
815static const struct snd_kcontrol_new aif1adc2r_mix[] = {
816 SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
817 1, 1, 0),
818 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
819 0, 1, 0),
820};
821
822static const struct snd_kcontrol_new dac1l_mix[] = {
823 WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
824 5, 1, 0),
825 WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
826 4, 1, 0),
827 WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
828 2, 1, 0),
829 WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
830 1, 1, 0),
831 WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
832 0, 1, 0),
833};
834
835static const struct snd_kcontrol_new dac1r_mix[] = {
836 WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
837 5, 1, 0),
838 WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
839 4, 1, 0),
840 WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
841 2, 1, 0),
842 WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
843 1, 1, 0),
844 WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
845 0, 1, 0),
846};
847
848static const struct snd_kcontrol_new aif2dac2l_mix[] = {
849 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
850 5, 1, 0),
851 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
852 4, 1, 0),
853 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
854 2, 1, 0),
855 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
856 1, 1, 0),
857 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
858 0, 1, 0),
859};
860
861static const struct snd_kcontrol_new aif2dac2r_mix[] = {
862 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
863 5, 1, 0),
864 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
865 4, 1, 0),
866 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
867 2, 1, 0),
868 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
869 1, 1, 0),
870 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
871 0, 1, 0),
872};
873
874static const struct snd_kcontrol_new in1l_pga =
875 SOC_DAPM_SINGLE("IN1L Switch", WM8995_POWER_MANAGEMENT_2, 5, 1, 0);
876
877static const struct snd_kcontrol_new in1r_pga =
878 SOC_DAPM_SINGLE("IN1R Switch", WM8995_POWER_MANAGEMENT_2, 4, 1, 0);
879
880static const char *adc_mux_text[] = {
881 "ADC",
882 "DMIC",
883};
884
f6b45c28 885static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text);
6a504a75
DP		 886
887static const struct snd_kcontrol_new adcl_mux =
888 SOC_DAPM_ENUM_VIRT("ADCL Mux", adc_enum);
889
890static const struct snd_kcontrol_new adcr_mux =
891 SOC_DAPM_ENUM_VIRT("ADCR Mux", adc_enum);
892
893static const char *spk_src_text[] = {
894 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
895};
896
48e50ce3
TI		 897static SOC_ENUM_SINGLE_DECL(spk1l_src_enum, WM8995_LEFT_PDM_SPEAKER_1,
898 0, spk_src_text);
899static SOC_ENUM_SINGLE_DECL(spk1r_src_enum, WM8995_RIGHT_PDM_SPEAKER_1,
900 0, spk_src_text);
901static SOC_ENUM_SINGLE_DECL(spk2l_src_enum, WM8995_LEFT_PDM_SPEAKER_2,
902 0, spk_src_text);
903static SOC_ENUM_SINGLE_DECL(spk2r_src_enum, WM8995_RIGHT_PDM_SPEAKER_2,
904 0, spk_src_text);
6a504a75
DP		 905
906static const struct snd_kcontrol_new spk1l_mux =
907 SOC_DAPM_ENUM("SPK1L SRC", spk1l_src_enum);
908static const struct snd_kcontrol_new spk1r_mux =
909 SOC_DAPM_ENUM("SPK1R SRC", spk1r_src_enum);
910static const struct snd_kcontrol_new spk2l_mux =
911 SOC_DAPM_ENUM("SPK2L SRC", spk2l_src_enum);
912static const struct snd_kcontrol_new spk2r_mux =
913 SOC_DAPM_ENUM("SPK2R SRC", spk2r_src_enum);
914
915static const struct snd_soc_dapm_widget wm8995_dapm_widgets[] = {
916 SND_SOC_DAPM_INPUT("DMIC1DAT"),
917 SND_SOC_DAPM_INPUT("DMIC2DAT"),
918
919 SND_SOC_DAPM_INPUT("IN1L"),
920 SND_SOC_DAPM_INPUT("IN1R"),
921
922 SND_SOC_DAPM_MIXER("IN1L PGA", SND_SOC_NOPM, 0, 0,
923 &in1l_pga, 1),
924 SND_SOC_DAPM_MIXER("IN1R PGA", SND_SOC_NOPM, 0, 0,
925 &in1r_pga, 1),
926
9ce31623
MB		 927 SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8995_POWER_MANAGEMENT_1, 8, 0,
928 NULL, 0),
929 SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8995_POWER_MANAGEMENT_1, 9, 0,
930 NULL, 0),
6a504a75
DP		 931
932 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8995_AIF1_CLOCKING_1, 0, 0, NULL, 0),
933 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8995_AIF2_CLOCKING_1, 0, 0, NULL, 0),
934 SND_SOC_DAPM_SUPPLY("DSP1CLK", WM8995_CLOCKING_1, 3, 0, NULL, 0),
935 SND_SOC_DAPM_SUPPLY("DSP2CLK", WM8995_CLOCKING_1, 2, 0, NULL, 0),
936 SND_SOC_DAPM_SUPPLY("SYSDSPCLK", WM8995_CLOCKING_1, 1, 0, NULL, 0),
937 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
938 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
939
940 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", "AIF1 Capture", 0,
941 WM8995_POWER_MANAGEMENT_3, 9, 0),
942 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", "AIF1 Capture", 0,
943 WM8995_POWER_MANAGEMENT_3, 8, 0),
944 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", "AIF1 Capture", 0,
945 SND_SOC_NOPM, 0, 0),
946 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", "AIF1 Capture",
947 0, WM8995_POWER_MANAGEMENT_3, 11, 0),
948 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", "AIF1 Capture",
949 0, WM8995_POWER_MANAGEMENT_3, 10, 0),
950
951 SND_SOC_DAPM_VIRT_MUX("ADCL Mux", SND_SOC_NOPM, 1, 0,
952 &adcl_mux),
953 SND_SOC_DAPM_VIRT_MUX("ADCR Mux", SND_SOC_NOPM, 0, 0,
954 &adcr_mux),
955
956 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8995_POWER_MANAGEMENT_3, 5, 0),
957 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8995_POWER_MANAGEMENT_3, 4, 0),
958 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8995_POWER_MANAGEMENT_3, 3, 0),
959 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8995_POWER_MANAGEMENT_3, 2, 0),
960
961 SND_SOC_DAPM_ADC("ADCL", NULL, WM8995_POWER_MANAGEMENT_3, 1, 0),
962 SND_SOC_DAPM_ADC("ADCR", NULL, WM8995_POWER_MANAGEMENT_3, 0, 0),
963
964 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
965 aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
966 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
967 aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
968 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
969 aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
970 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
971 aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
972
973 SND_SOC_DAPM_AIF_IN("AIF1DAC1L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
974 9, 0),
975 SND_SOC_DAPM_AIF_IN("AIF1DAC1R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
976 8, 0),
977 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", "AIF1 Playback", 0, SND_SOC_NOPM,
978 0, 0),
979
980 SND_SOC_DAPM_AIF_IN("AIF1DAC2L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
981 11, 0),
982 SND_SOC_DAPM_AIF_IN("AIF1DAC2R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
983 10, 0),
984
985 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
986 aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
987 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
988 aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
989
990 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8995_POWER_MANAGEMENT_4, 3, 0),
991 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8995_POWER_MANAGEMENT_4, 2, 0),
992 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8995_POWER_MANAGEMENT_4, 1, 0),
993 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8995_POWER_MANAGEMENT_4, 0, 0),
994
995 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, dac1l_mix,
996 ARRAY_SIZE(dac1l_mix)),
997 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, dac1r_mix,
998 ARRAY_SIZE(dac1r_mix)),
999
1000 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
1001 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
1002
1003 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1004 hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1005
1006 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0,
1007 hp_supply_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1008
1009 SND_SOC_DAPM_MUX("SPK1L Driver", WM8995_LEFT_PDM_SPEAKER_1,
1010 4, 0, &spk1l_mux),
1011 SND_SOC_DAPM_MUX("SPK1R Driver", WM8995_RIGHT_PDM_SPEAKER_1,
1012 4, 0, &spk1r_mux),
1013 SND_SOC_DAPM_MUX("SPK2L Driver", WM8995_LEFT_PDM_SPEAKER_2,
1014 4, 0, &spk2l_mux),
1015 SND_SOC_DAPM_MUX("SPK2R Driver", WM8995_RIGHT_PDM_SPEAKER_2,
1016 4, 0, &spk2r_mux),
1017
1018 SND_SOC_DAPM_SUPPLY("LDO2", WM8995_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
1019
1020 SND_SOC_DAPM_OUTPUT("HP1L"),
1021 SND_SOC_DAPM_OUTPUT("HP1R"),
1022 SND_SOC_DAPM_OUTPUT("SPK1L"),
1023 SND_SOC_DAPM_OUTPUT("SPK1R"),
1024 SND_SOC_DAPM_OUTPUT("SPK2L"),
1025 SND_SOC_DAPM_OUTPUT("SPK2R")
1026};
1027
1028static const struct snd_soc_dapm_route wm8995_intercon[] = {
1029 { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
1030 { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
1031
1032 { "DSP1CLK", NULL, "CLK_SYS" },
1033 { "DSP2CLK", NULL, "CLK_SYS" },
1034 { "SYSDSPCLK", NULL, "CLK_SYS" },
1035
1036 { "AIF1ADC1L", NULL, "AIF1CLK" },
1037 { "AIF1ADC1L", NULL, "DSP1CLK" },
1038 { "AIF1ADC1R", NULL, "AIF1CLK" },
1039 { "AIF1ADC1R", NULL, "DSP1CLK" },
1040 { "AIF1ADC1R", NULL, "SYSDSPCLK" },
1041
1042 { "AIF1ADC2L", NULL, "AIF1CLK" },
1043 { "AIF1ADC2L", NULL, "DSP1CLK" },
1044 { "AIF1ADC2R", NULL, "AIF1CLK" },
1045 { "AIF1ADC2R", NULL, "DSP1CLK" },
1046 { "AIF1ADC2R", NULL, "SYSDSPCLK" },
1047
1048 { "DMIC1L", NULL, "DMIC1DAT" },
1049 { "DMIC1L", NULL, "CLK_SYS" },
1050 { "DMIC1R", NULL, "DMIC1DAT" },
1051 { "DMIC1R", NULL, "CLK_SYS" },
1052 { "DMIC2L", NULL, "DMIC2DAT" },
1053 { "DMIC2L", NULL, "CLK_SYS" },
1054 { "DMIC2R", NULL, "DMIC2DAT" },
1055 { "DMIC2R", NULL, "CLK_SYS" },
1056
1057 { "ADCL", NULL, "AIF1CLK" },
1058 { "ADCL", NULL, "DSP1CLK" },
1059 { "ADCL", NULL, "SYSDSPCLK" },
1060
1061 { "ADCR", NULL, "AIF1CLK" },
1062 { "ADCR", NULL, "DSP1CLK" },
1063 { "ADCR", NULL, "SYSDSPCLK" },
1064
1065 { "IN1L PGA", "IN1L Switch", "IN1L" },
1066 { "IN1R PGA", "IN1R Switch", "IN1R" },
1067 { "IN1L PGA", NULL, "LDO2" },
1068 { "IN1R PGA", NULL, "LDO2" },
1069
1070 { "ADCL", NULL, "IN1L PGA" },
1071 { "ADCR", NULL, "IN1R PGA" },
1072
1073 { "ADCL Mux", "ADC", "ADCL" },
1074 { "ADCL Mux", "DMIC", "DMIC1L" },
1075 { "ADCR Mux", "ADC", "ADCR" },
1076 { "ADCR Mux", "DMIC", "DMIC1R" },
1077
1078 /* AIF1 outputs */
1079 { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
1080 { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
1081
1082 { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
1083 { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
1084
1085 { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
1086 { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
1087
1088 { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
1089 { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
1090
1091 /* Sidetone */
1092 { "Left Sidetone", "ADC/DMIC1", "AIF1ADC1L" },
1093 { "Left Sidetone", "DMIC2", "AIF1ADC2L" },
1094 { "Right Sidetone", "ADC/DMIC1", "AIF1ADC1R" },
1095 { "Right Sidetone", "DMIC2", "AIF1ADC2R" },
1096
1097 { "AIF1DAC1L", NULL, "AIF1CLK" },
1098 { "AIF1DAC1L", NULL, "DSP1CLK" },
1099 { "AIF1DAC1R", NULL, "AIF1CLK" },
1100 { "AIF1DAC1R", NULL, "DSP1CLK" },
1101 { "AIF1DAC1R", NULL, "SYSDSPCLK" },
1102
1103 { "AIF1DAC2L", NULL, "AIF1CLK" },
1104 { "AIF1DAC2L", NULL, "DSP1CLK" },
1105 { "AIF1DAC2R", NULL, "AIF1CLK" },
1106 { "AIF1DAC2R", NULL, "DSP1CLK" },
1107 { "AIF1DAC2R", NULL, "SYSDSPCLK" },
1108
1109 { "DAC1L", NULL, "AIF1CLK" },
1110 { "DAC1L", NULL, "DSP1CLK" },
1111 { "DAC1L", NULL, "SYSDSPCLK" },
1112
1113 { "DAC1R", NULL, "AIF1CLK" },
1114 { "DAC1R", NULL, "DSP1CLK" },
1115 { "DAC1R", NULL, "SYSDSPCLK" },
1116
1117 { "AIF1DAC1L", NULL, "AIF1DACDAT" },
1118 { "AIF1DAC1R", NULL, "AIF1DACDAT" },
1119 { "AIF1DAC2L", NULL, "AIF1DACDAT" },
1120 { "AIF1DAC2R", NULL, "AIF1DACDAT" },
1121
1122 /* DAC1 inputs */
1123 { "DAC1L", NULL, "DAC1L Mixer" },
1124 { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1125 { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1126 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1127 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1128
1129 { "DAC1R", NULL, "DAC1R Mixer" },
1130 { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1131 { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1132 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1133 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1134
1135 /* DAC2/AIF2 outputs */
1136 { "DAC2L", NULL, "AIF2DAC2L Mixer" },
1137 { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1138 { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1139
1140 { "DAC2R", NULL, "AIF2DAC2R Mixer" },
1141 { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1142 { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1143
1144 /* Output stages */
1145 { "Headphone PGA", NULL, "DAC1L" },
1146 { "Headphone PGA", NULL, "DAC1R" },
1147
1148 { "Headphone PGA", NULL, "DAC2L" },
1149 { "Headphone PGA", NULL, "DAC2R" },
1150
1151 { "Headphone PGA", NULL, "Headphone Supply" },
1152 { "Headphone PGA", NULL, "CLK_SYS" },
1153 { "Headphone PGA", NULL, "LDO2" },
1154
1155 { "HP1L", NULL, "Headphone PGA" },
1156 { "HP1R", NULL, "Headphone PGA" },
1157
1158 { "SPK1L Driver", "DAC1L", "DAC1L" },
1159 { "SPK1L Driver", "DAC1R", "DAC1R" },
1160 { "SPK1L Driver", "DAC2L", "DAC2L" },
1161 { "SPK1L Driver", "DAC2R", "DAC2R" },
1162 { "SPK1L Driver", NULL, "CLK_SYS" },
1163
1164 { "SPK1R Driver", "DAC1L", "DAC1L" },
1165 { "SPK1R Driver", "DAC1R", "DAC1R" },
1166 { "SPK1R Driver", "DAC2L", "DAC2L" },
1167 { "SPK1R Driver", "DAC2R", "DAC2R" },
1168 { "SPK1R Driver", NULL, "CLK_SYS" },
1169
1170 { "SPK2L Driver", "DAC1L", "DAC1L" },
1171 { "SPK2L Driver", "DAC1R", "DAC1R" },
1172 { "SPK2L Driver", "DAC2L", "DAC2L" },
1173 { "SPK2L Driver", "DAC2R", "DAC2R" },
1174 { "SPK2L Driver", NULL, "CLK_SYS" },
1175
1176 { "SPK2R Driver", "DAC1L", "DAC1L" },
1177 { "SPK2R Driver", "DAC1R", "DAC1R" },
1178 { "SPK2R Driver", "DAC2L", "DAC2L" },
1179 { "SPK2R Driver", "DAC2R", "DAC2R" },
1180 { "SPK2R Driver", NULL, "CLK_SYS" },
1181
1182 { "SPK1L", NULL, "SPK1L Driver" },
1183 { "SPK1R", NULL, "SPK1R Driver" },
1184 { "SPK2L", NULL, "SPK2L Driver" },
1185 { "SPK2R", NULL, "SPK2R Driver" }
1186};
1187
c42da642 1188static bool wm8995_readable(struct device *dev, unsigned int reg)
6a504a75 1189{
6a504a75
DP		 1190 switch (reg) {
1191 case WM8995_SOFTWARE_RESET:
c42da642
MB		 1192 case WM8995_POWER_MANAGEMENT_1:
1193 case WM8995_POWER_MANAGEMENT_2:
1194 case WM8995_POWER_MANAGEMENT_3:
1195 case WM8995_POWER_MANAGEMENT_4:
1196 case WM8995_POWER_MANAGEMENT_5:
1197 case WM8995_LEFT_LINE_INPUT_1_VOLUME:
1198 case WM8995_RIGHT_LINE_INPUT_1_VOLUME:
1199 case WM8995_LEFT_LINE_INPUT_CONTROL:
1200 case WM8995_DAC1_LEFT_VOLUME:
1201 case WM8995_DAC1_RIGHT_VOLUME:
1202 case WM8995_DAC2_LEFT_VOLUME:
1203 case WM8995_DAC2_RIGHT_VOLUME:
1204 case WM8995_OUTPUT_VOLUME_ZC_1:
1205 case WM8995_MICBIAS_1:
1206 case WM8995_MICBIAS_2:
1207 case WM8995_LDO_1:
1208 case WM8995_LDO_2:
1209 case WM8995_ACCESSORY_DETECT_MODE1:
1210 case WM8995_ACCESSORY_DETECT_MODE2:
1211 case WM8995_HEADPHONE_DETECT1:
1212 case WM8995_HEADPHONE_DETECT2:
1213 case WM8995_MIC_DETECT_1:
1214 case WM8995_MIC_DETECT_2:
1215 case WM8995_CHARGE_PUMP_1:
1216 case WM8995_CLASS_W_1:
1217 case WM8995_DC_SERVO_1:
1218 case WM8995_DC_SERVO_2:
1219 case WM8995_DC_SERVO_3:
1220 case WM8995_DC_SERVO_5:
1221 case WM8995_DC_SERVO_6:
1222 case WM8995_DC_SERVO_7:
6a504a75 1223 case WM8995_DC_SERVO_READBACK_0:
c42da642
MB		 1224 case WM8995_ANALOGUE_HP_1:
1225 case WM8995_ANALOGUE_HP_2:
1226 case WM8995_CHIP_REVISION:
1227 case WM8995_CONTROL_INTERFACE_1:
1228 case WM8995_CONTROL_INTERFACE_2:
1229 case WM8995_WRITE_SEQUENCER_CTRL_1:
1230 case WM8995_WRITE_SEQUENCER_CTRL_2:
1231 case WM8995_AIF1_CLOCKING_1:
1232 case WM8995_AIF1_CLOCKING_2:
1233 case WM8995_AIF2_CLOCKING_1:
1234 case WM8995_AIF2_CLOCKING_2:
1235 case WM8995_CLOCKING_1:
1236 case WM8995_CLOCKING_2:
1237 case WM8995_AIF1_RATE:
1238 case WM8995_AIF2_RATE:
1239 case WM8995_RATE_STATUS:
1240 case WM8995_FLL1_CONTROL_1:
1241 case WM8995_FLL1_CONTROL_2:
1242 case WM8995_FLL1_CONTROL_3:
1243 case WM8995_FLL1_CONTROL_4:
1244 case WM8995_FLL1_CONTROL_5:
1245 case WM8995_FLL2_CONTROL_1:
1246 case WM8995_FLL2_CONTROL_2:
1247 case WM8995_FLL2_CONTROL_3:
1248 case WM8995_FLL2_CONTROL_4:
1249 case WM8995_FLL2_CONTROL_5:
1250 case WM8995_AIF1_CONTROL_1:
1251 case WM8995_AIF1_CONTROL_2:
1252 case WM8995_AIF1_MASTER_SLAVE:
1253 case WM8995_AIF1_BCLK:
1254 case WM8995_AIF1ADC_LRCLK:
1255 case WM8995_AIF1DAC_LRCLK:
1256 case WM8995_AIF1DAC_DATA:
1257 case WM8995_AIF1ADC_DATA:
1258 case WM8995_AIF2_CONTROL_1:
1259 case WM8995_AIF2_CONTROL_2:
1260 case WM8995_AIF2_MASTER_SLAVE:
1261 case WM8995_AIF2_BCLK:
1262 case WM8995_AIF2ADC_LRCLK:
1263 case WM8995_AIF2DAC_LRCLK:
1264 case WM8995_AIF2DAC_DATA:
1265 case WM8995_AIF2ADC_DATA:
1266 case WM8995_AIF1_ADC1_LEFT_VOLUME:
1267 case WM8995_AIF1_ADC1_RIGHT_VOLUME:
1268 case WM8995_AIF1_DAC1_LEFT_VOLUME:
1269 case WM8995_AIF1_DAC1_RIGHT_VOLUME:
1270 case WM8995_AIF1_ADC2_LEFT_VOLUME:
1271 case WM8995_AIF1_ADC2_RIGHT_VOLUME:
1272 case WM8995_AIF1_DAC2_LEFT_VOLUME:
1273 case WM8995_AIF1_DAC2_RIGHT_VOLUME:
1274 case WM8995_AIF1_ADC1_FILTERS:
1275 case WM8995_AIF1_ADC2_FILTERS:
1276 case WM8995_AIF1_DAC1_FILTERS_1:
1277 case WM8995_AIF1_DAC1_FILTERS_2:
1278 case WM8995_AIF1_DAC2_FILTERS_1:
1279 case WM8995_AIF1_DAC2_FILTERS_2:
1280 case WM8995_AIF1_DRC1_1:
1281 case WM8995_AIF1_DRC1_2:
1282 case WM8995_AIF1_DRC1_3:
1283 case WM8995_AIF1_DRC1_4:
1284 case WM8995_AIF1_DRC1_5:
1285 case WM8995_AIF1_DRC2_1:
1286 case WM8995_AIF1_DRC2_2:
1287 case WM8995_AIF1_DRC2_3:
1288 case WM8995_AIF1_DRC2_4:
1289 case WM8995_AIF1_DRC2_5:
1290 case WM8995_AIF1_DAC1_EQ_GAINS_1:
1291 case WM8995_AIF1_DAC1_EQ_GAINS_2:
1292 case WM8995_AIF1_DAC1_EQ_BAND_1_A:
1293 case WM8995_AIF1_DAC1_EQ_BAND_1_B:
1294 case WM8995_AIF1_DAC1_EQ_BAND_1_PG:
1295 case WM8995_AIF1_DAC1_EQ_BAND_2_A:
1296 case WM8995_AIF1_DAC1_EQ_BAND_2_B:
1297 case WM8995_AIF1_DAC1_EQ_BAND_2_C:
1298 case WM8995_AIF1_DAC1_EQ_BAND_2_PG:
1299 case WM8995_AIF1_DAC1_EQ_BAND_3_A:
1300 case WM8995_AIF1_DAC1_EQ_BAND_3_B:
1301 case WM8995_AIF1_DAC1_EQ_BAND_3_C:
1302 case WM8995_AIF1_DAC1_EQ_BAND_3_PG:
1303 case WM8995_AIF1_DAC1_EQ_BAND_4_A:
1304 case WM8995_AIF1_DAC1_EQ_BAND_4_B:
1305 case WM8995_AIF1_DAC1_EQ_BAND_4_C:
1306 case WM8995_AIF1_DAC1_EQ_BAND_4_PG:
1307 case WM8995_AIF1_DAC1_EQ_BAND_5_A:
1308 case WM8995_AIF1_DAC1_EQ_BAND_5_B:
1309 case WM8995_AIF1_DAC1_EQ_BAND_5_PG:
1310 case WM8995_AIF1_DAC2_EQ_GAINS_1:
1311 case WM8995_AIF1_DAC2_EQ_GAINS_2:
1312 case WM8995_AIF1_DAC2_EQ_BAND_1_A:
1313 case WM8995_AIF1_DAC2_EQ_BAND_1_B:
1314 case WM8995_AIF1_DAC2_EQ_BAND_1_PG:
1315 case WM8995_AIF1_DAC2_EQ_BAND_2_A:
1316 case WM8995_AIF1_DAC2_EQ_BAND_2_B:
1317 case WM8995_AIF1_DAC2_EQ_BAND_2_C:
1318 case WM8995_AIF1_DAC2_EQ_BAND_2_PG:
1319 case WM8995_AIF1_DAC2_EQ_BAND_3_A:
1320 case WM8995_AIF1_DAC2_EQ_BAND_3_B:
1321 case WM8995_AIF1_DAC2_EQ_BAND_3_C:
1322 case WM8995_AIF1_DAC2_EQ_BAND_3_PG:
1323 case WM8995_AIF1_DAC2_EQ_BAND_4_A:
1324 case WM8995_AIF1_DAC2_EQ_BAND_4_B:
1325 case WM8995_AIF1_DAC2_EQ_BAND_4_C:
1326 case WM8995_AIF1_DAC2_EQ_BAND_4_PG:
1327 case WM8995_AIF1_DAC2_EQ_BAND_5_A:
1328 case WM8995_AIF1_DAC2_EQ_BAND_5_B:
1329 case WM8995_AIF1_DAC2_EQ_BAND_5_PG:
1330 case WM8995_AIF2_ADC_LEFT_VOLUME:
1331 case WM8995_AIF2_ADC_RIGHT_VOLUME:
1332 case WM8995_AIF2_DAC_LEFT_VOLUME:
1333 case WM8995_AIF2_DAC_RIGHT_VOLUME:
1334 case WM8995_AIF2_ADC_FILTERS:
1335 case WM8995_AIF2_DAC_FILTERS_1:
1336 case WM8995_AIF2_DAC_FILTERS_2:
1337 case WM8995_AIF2_DRC_1:
1338 case WM8995_AIF2_DRC_2:
1339 case WM8995_AIF2_DRC_3:
1340 case WM8995_AIF2_DRC_4:
1341 case WM8995_AIF2_DRC_5:
1342 case WM8995_AIF2_EQ_GAINS_1:
1343 case WM8995_AIF2_EQ_GAINS_2:
1344 case WM8995_AIF2_EQ_BAND_1_A:
1345 case WM8995_AIF2_EQ_BAND_1_B:
1346 case WM8995_AIF2_EQ_BAND_1_PG:
1347 case WM8995_AIF2_EQ_BAND_2_A:
1348 case WM8995_AIF2_EQ_BAND_2_B:
1349 case WM8995_AIF2_EQ_BAND_2_C:
1350 case WM8995_AIF2_EQ_BAND_2_PG:
1351 case WM8995_AIF2_EQ_BAND_3_A:
1352 case WM8995_AIF2_EQ_BAND_3_B:
1353 case WM8995_AIF2_EQ_BAND_3_C:
1354 case WM8995_AIF2_EQ_BAND_3_PG:
1355 case WM8995_AIF2_EQ_BAND_4_A:
1356 case WM8995_AIF2_EQ_BAND_4_B:
1357 case WM8995_AIF2_EQ_BAND_4_C:
1358 case WM8995_AIF2_EQ_BAND_4_PG:
1359 case WM8995_AIF2_EQ_BAND_5_A:
1360 case WM8995_AIF2_EQ_BAND_5_B:
1361 case WM8995_AIF2_EQ_BAND_5_PG:
1362 case WM8995_DAC1_MIXER_VOLUMES:
1363 case WM8995_DAC1_LEFT_MIXER_ROUTING:
1364 case WM8995_DAC1_RIGHT_MIXER_ROUTING:
1365 case WM8995_DAC2_MIXER_VOLUMES:
1366 case WM8995_DAC2_LEFT_MIXER_ROUTING:
1367 case WM8995_DAC2_RIGHT_MIXER_ROUTING:
1368 case WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING:
1369 case WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING:
1370 case WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING:
1371 case WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING:
1372 case WM8995_DAC_SOFTMUTE:
1373 case WM8995_OVERSAMPLING:
1374 case WM8995_SIDETONE:
1375 case WM8995_GPIO_1:
1376 case WM8995_GPIO_2:
1377 case WM8995_GPIO_3:
1378 case WM8995_GPIO_4:
1379 case WM8995_GPIO_5:
1380 case WM8995_GPIO_6:
1381 case WM8995_GPIO_7:
1382 case WM8995_GPIO_8:
1383 case WM8995_GPIO_9:
1384 case WM8995_GPIO_10:
1385 case WM8995_GPIO_11:
1386 case WM8995_GPIO_12:
1387 case WM8995_GPIO_13:
1388 case WM8995_GPIO_14:
1389 case WM8995_PULL_CONTROL_1:
1390 case WM8995_PULL_CONTROL_2:
6a504a75
DP		 1391 case WM8995_INTERRUPT_STATUS_1:
1392 case WM8995_INTERRUPT_STATUS_2:
c42da642 1393 case WM8995_INTERRUPT_RAW_STATUS_2:
6a504a75
DP		 1394 case WM8995_INTERRUPT_STATUS_1_MASK:
1395 case WM8995_INTERRUPT_STATUS_2_MASK:
1396 case WM8995_INTERRUPT_CONTROL:
c42da642
MB		 1397 case WM8995_LEFT_PDM_SPEAKER_1:
1398 case WM8995_RIGHT_PDM_SPEAKER_1:
1399 case WM8995_PDM_SPEAKER_1_MUTE_SEQUENCE:
1400 case WM8995_LEFT_PDM_SPEAKER_2:
1401 case WM8995_RIGHT_PDM_SPEAKER_2:
1402 case WM8995_PDM_SPEAKER_2_MUTE_SEQUENCE:
1403 return true;
1404 default:
1405 return false;
1406 }
1407}
1408
1409static bool wm8995_volatile(struct device *dev, unsigned int reg)
1410{
1411 switch (reg) {
1412 case WM8995_SOFTWARE_RESET:
1413 case WM8995_DC_SERVO_READBACK_0:
1414 case WM8995_INTERRUPT_STATUS_1:
1415 case WM8995_INTERRUPT_STATUS_2:
1416 case WM8995_INTERRUPT_CONTROL:
6a504a75
DP		 1417 case WM8995_ACCESSORY_DETECT_MODE1:
1418 case WM8995_ACCESSORY_DETECT_MODE2:
1419 case WM8995_HEADPHONE_DETECT1:
1420 case WM8995_HEADPHONE_DETECT2:
c42da642
MB		 1421 case WM8995_RATE_STATUS:
1422 return true;
1423 default:
1424 return false;
6a504a75 1425 }
6a504a75
DP		 1426}
1427
1428static int wm8995_aif_mute(struct snd_soc_dai *dai, int mute)
1429{
1430 struct snd_soc_codec *codec = dai->codec;
1431 int mute_reg;
1432
1433 switch (dai->id) {
1434 case 0:
1435 mute_reg = WM8995_AIF1_DAC1_FILTERS_1;
1436 break;
1437 case 1:
1438 mute_reg = WM8995_AIF2_DAC_FILTERS_1;
1439 break;
1440 default:
1441 return -EINVAL;
1442 }
1443
1444 snd_soc_update_bits(codec, mute_reg, WM8995_AIF1DAC1_MUTE_MASK,
1445 !!mute << WM8995_AIF1DAC1_MUTE_SHIFT);
1446 return 0;
1447}
1448
1449static int wm8995_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1450{
1451 struct snd_soc_codec *codec;
1452 int master;
1453 int aif;
1454
1455 codec = dai->codec;
1456
1457 master = 0;
1458 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1459 case SND_SOC_DAIFMT_CBS_CFS:
1460 break;
1461 case SND_SOC_DAIFMT_CBM_CFM:
1462 master = WM8995_AIF1_MSTR;
1463 break;
1464 default:
1465 dev_err(dai->dev, "Unknown master/slave configuration\n");
1466 return -EINVAL;
1467 }
1468
1469 aif = 0;
1470 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1471 case SND_SOC_DAIFMT_DSP_B:
1472 aif |= WM8995_AIF1_LRCLK_INV;
1473 case SND_SOC_DAIFMT_DSP_A:
1474 aif |= (0x3 << WM8995_AIF1_FMT_SHIFT);
1475 break;
1476 case SND_SOC_DAIFMT_I2S:
1477 aif |= (0x2 << WM8995_AIF1_FMT_SHIFT);
1478 break;
1479 case SND_SOC_DAIFMT_RIGHT_J:
1480 break;
1481 case SND_SOC_DAIFMT_LEFT_J:
1482 aif |= (0x1 << WM8995_AIF1_FMT_SHIFT);
1483 break;
1484 default:
1485 dev_err(dai->dev, "Unknown dai format\n");
1486 return -EINVAL;
1487 }
1488
1489 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1490 case SND_SOC_DAIFMT_DSP_A:
1491 case SND_SOC_DAIFMT_DSP_B:
1492 /* frame inversion not valid for DSP modes */
1493 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1494 case SND_SOC_DAIFMT_NB_NF:
1495 break;
1496 case SND_SOC_DAIFMT_IB_NF:
1497 aif |= WM8995_AIF1_BCLK_INV;
1498 break;
1499 default:
1500 return -EINVAL;
1501 }
1502 break;
1503
1504 case SND_SOC_DAIFMT_I2S:
1505 case SND_SOC_DAIFMT_RIGHT_J:
1506 case SND_SOC_DAIFMT_LEFT_J:
1507 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1508 case SND_SOC_DAIFMT_NB_NF:
1509 break;
1510 case SND_SOC_DAIFMT_IB_IF:
1511 aif |= WM8995_AIF1_BCLK_INV | WM8995_AIF1_LRCLK_INV;
1512 break;
1513 case SND_SOC_DAIFMT_IB_NF:
1514 aif |= WM8995_AIF1_BCLK_INV;
1515 break;
1516 case SND_SOC_DAIFMT_NB_IF:
1517 aif |= WM8995_AIF1_LRCLK_INV;
1518 break;
1519 default:
1520 return -EINVAL;
1521 }
1522 break;
1523 default:
1524 return -EINVAL;
1525 }
1526
1527 snd_soc_update_bits(codec, WM8995_AIF1_CONTROL_1,
1528 WM8995_AIF1_BCLK_INV_MASK |
1529 WM8995_AIF1_LRCLK_INV_MASK |
1530 WM8995_AIF1_FMT_MASK, aif);
1531 snd_soc_update_bits(codec, WM8995_AIF1_MASTER_SLAVE,
1532 WM8995_AIF1_MSTR_MASK, master);
1533 return 0;
1534}
1535
1536static const int srs[] = {
1537 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100,
1538 48000, 88200, 96000
1539};
1540
1541static const int fs_ratios[] = {
1542 -1 /* reserved */,
1543 128, 192, 256, 384, 512, 768, 1024, 1408, 1536
1544};
1545
1546static const int bclk_divs[] = {
1547 10, 15, 20, 30, 40, 55, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480
1548};
1549
1550static int wm8995_hw_params(struct snd_pcm_substream *substream,
1551 struct snd_pcm_hw_params *params,
1552 struct snd_soc_dai *dai)
1553{
1554 struct snd_soc_codec *codec;
1555 struct wm8995_priv *wm8995;
1556 int aif1_reg;
1557 int bclk_reg;
1558 int lrclk_reg;
1559 int rate_reg;
1560 int bclk_rate;
1561 int aif1;
1562 int lrclk, bclk;
1563 int i, rate_val, best, best_val, cur_val;
1564
1565 codec = dai->codec;
1566 wm8995 = snd_soc_codec_get_drvdata(codec);
1567
1568 switch (dai->id) {
1569 case 0:
1570 aif1_reg = WM8995_AIF1_CONTROL_1;
1571 bclk_reg = WM8995_AIF1_BCLK;
1572 rate_reg = WM8995_AIF1_RATE;
1573 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1574 wm8995->lrclk_shared[0] */) {
1575 lrclk_reg = WM8995_AIF1DAC_LRCLK;
1576 } else {
1577 lrclk_reg = WM8995_AIF1ADC_LRCLK;
1578 dev_dbg(codec->dev, "AIF1 using split LRCLK\n");
1579 }
1580 break;
1581 case 1:
1582 aif1_reg = WM8995_AIF2_CONTROL_1;
1583 bclk_reg = WM8995_AIF2_BCLK;
1584 rate_reg = WM8995_AIF2_RATE;
1585 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1586 wm8995->lrclk_shared[1] */) {
1587 lrclk_reg = WM8995_AIF2DAC_LRCLK;
1588 } else {
1589 lrclk_reg = WM8995_AIF2ADC_LRCLK;
1590 dev_dbg(codec->dev, "AIF2 using split LRCLK\n");
1591 }
1592 break;
1593 default:
1594 return -EINVAL;
1595 }
1596
1597 bclk_rate = snd_soc_params_to_bclk(params);
1598 if (bclk_rate < 0)
1599 return bclk_rate;
1600
1601 aif1 = 0;
1602 switch (params_format(params)) {
1603 case SNDRV_PCM_FORMAT_S16_LE:
1604 break;
1605 case SNDRV_PCM_FORMAT_S20_3LE:
1606 aif1 |= (0x1 << WM8995_AIF1_WL_SHIFT);
1607 break;
1608 case SNDRV_PCM_FORMAT_S24_LE:
1609 aif1 |= (0x2 << WM8995_AIF1_WL_SHIFT);
1610 break;
1611 case SNDRV_PCM_FORMAT_S32_LE:
1612 aif1 |= (0x3 << WM8995_AIF1_WL_SHIFT);
1613 break;
1614 default:
1615 dev_err(dai->dev, "Unsupported word length %u\n",
1616 params_format(params));
1617 return -EINVAL;
1618 }
1619
1620 /* try to find a suitable sample rate */
1621 for (i = 0; i < ARRAY_SIZE(srs); ++i)
1622 if (srs[i] == params_rate(params))
1623 break;
1624 if (i == ARRAY_SIZE(srs)) {
1625 dev_err(dai->dev, "Sample rate %d is not supported\n",
1626 params_rate(params));
1627 return -EINVAL;
1628 }
1629 rate_val = i << WM8995_AIF1_SR_SHIFT;
1630
1631 dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i]);
1632 dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
1633 dai->id + 1, wm8995->aifclk[dai->id], bclk_rate);
1634
1635 /* AIFCLK/fs ratio; look for a close match in either direction */
1636 best = 1;
1637 best_val = abs((fs_ratios[1] * params_rate(params))
1638 - wm8995->aifclk[dai->id]);
1639 for (i = 2; i < ARRAY_SIZE(fs_ratios); i++) {
1640 cur_val = abs((fs_ratios[i] * params_rate(params))
1641 - wm8995->aifclk[dai->id]);
1642 if (cur_val >= best_val)
1643 continue;
1644 best = i;
1645 best_val = cur_val;
1646 }
1647 rate_val |= best;
1648
1649 dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
1650 dai->id + 1, fs_ratios[best]);
1651
1652 /*
1653 * We may not get quite the right frequency if using
1654 * approximate clocks so look for the closest match that is
1655 * higher than the target (we need to ensure that there enough
1656 * BCLKs to clock out the samples).
1657 */
1658 best = 0;
1659 bclk = 0;
1660 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1661 cur_val = (wm8995->aifclk[dai->id] * 10 / bclk_divs[i]) - bclk_rate;
1662 if (cur_val < 0) /* BCLK table is sorted */
1663 break;
1664 best = i;
1665 }
1666 bclk |= best << WM8995_AIF1_BCLK_DIV_SHIFT;
1667
1668 bclk_rate = wm8995->aifclk[dai->id] * 10 / bclk_divs[best];
1669 dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1670 bclk_divs[best], bclk_rate);
1671
1672 lrclk = bclk_rate / params_rate(params);
1673 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1674 lrclk, bclk_rate / lrclk);
1675
1676 snd_soc_update_bits(codec, aif1_reg,
1677 WM8995_AIF1_WL_MASK, aif1);
1678 snd_soc_update_bits(codec, bclk_reg,
1679 WM8995_AIF1_BCLK_DIV_MASK, bclk);
1680 snd_soc_update_bits(codec, lrclk_reg,
1681 WM8995_AIF1DAC_RATE_MASK, lrclk);
1682 snd_soc_update_bits(codec, rate_reg,
1683 WM8995_AIF1_SR_MASK |
1684 WM8995_AIF1CLK_RATE_MASK, rate_val);
1685 return 0;
1686}
1687
1688static int wm8995_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
1689{
1690 struct snd_soc_codec *codec = codec_dai->codec;
1691 int reg, val, mask;
1692
1693 switch (codec_dai->id) {
1694 case 0:
1695 reg = WM8995_AIF1_MASTER_SLAVE;
1696 mask = WM8995_AIF1_TRI;
1697 break;
1698 case 1:
1699 reg = WM8995_AIF2_MASTER_SLAVE;
1700 mask = WM8995_AIF2_TRI;
1701 break;
1702 case 2:
1703 reg = WM8995_POWER_MANAGEMENT_5;
1704 mask = WM8995_AIF3_TRI;
1705 break;
1706 default:
1707 return -EINVAL;
1708 }
1709
1710 if (tristate)
1711 val = mask;
1712 else
1713 val = 0;
1714
a2828792 1715 return snd_soc_update_bits(codec, reg, mask, val);
6a504a75
DP		 1716}
1717
1718/* The size in bits of the FLL divide multiplied by 10
1719 * to allow rounding later */
1720#define FIXED_FLL_SIZE ((1 << 16) * 10)
1721
1722struct fll_div {
1723 u16 outdiv;
1724 u16 n;
1725 u16 k;
1726 u16 clk_ref_div;
1727 u16 fll_fratio;
1728};
1729
1730static int wm8995_get_fll_config(struct fll_div *fll,
1731 int freq_in, int freq_out)
1732{
1733 u64 Kpart;
1734 unsigned int K, Ndiv, Nmod;
1735
1736 pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
1737
1738 /* Scale the input frequency down to <= 13.5MHz */
1739 fll->clk_ref_div = 0;
1740 while (freq_in > 13500000) {
1741 fll->clk_ref_div++;
1742 freq_in /= 2;
1743
1744 if (fll->clk_ref_div > 3)
1745 return -EINVAL;
1746 }
1747 pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
1748
1749 /* Scale the output to give 90MHz<=Fvco<=100MHz */
1750 fll->outdiv = 3;
1751 while (freq_out * (fll->outdiv + 1) < 90000000) {
1752 fll->outdiv++;
1753 if (fll->outdiv > 63)
1754 return -EINVAL;
1755 }
1756 freq_out *= fll->outdiv + 1;
1757 pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
1758
1759 if (freq_in > 1000000) {
1760 fll->fll_fratio = 0;
1761 } else if (freq_in > 256000) {
1762 fll->fll_fratio = 1;
1763 freq_in *= 2;
1764 } else if (freq_in > 128000) {
1765 fll->fll_fratio = 2;
1766 freq_in *= 4;
1767 } else if (freq_in > 64000) {
1768 fll->fll_fratio = 3;
1769 freq_in *= 8;
1770 } else {
1771 fll->fll_fratio = 4;
1772 freq_in *= 16;
1773 }
1774 pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
1775
1776 /* Now, calculate N.K */
1777 Ndiv = freq_out / freq_in;
1778
1779 fll->n = Ndiv;
1780 Nmod = freq_out % freq_in;
1781 pr_debug("Nmod=%d\n", Nmod);
1782
1783 /* Calculate fractional part - scale up so we can round. */
1784 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1785
1786 do_div(Kpart, freq_in);
1787
1788 K = Kpart & 0xFFFFFFFF;
1789
1790 if ((K % 10) >= 5)
1791 K += 5;
1792
1793 /* Move down to proper range now rounding is done */
1794 fll->k = K / 10;
1795
1796 pr_debug("N=%x K=%x\n", fll->n, fll->k);
1797
1798 return 0;
1799}
1800
1801static int wm8995_set_fll(struct snd_soc_dai *dai, int id,
1802 int src, unsigned int freq_in,
1803 unsigned int freq_out)
1804{
1805 struct snd_soc_codec *codec;
1806 struct wm8995_priv *wm8995;
1807 int reg_offset, ret;
1808 struct fll_div fll;
1809 u16 reg, aif1, aif2;
1810
1811 codec = dai->codec;
1812 wm8995 = snd_soc_codec_get_drvdata(codec);
1813
1814 aif1 = snd_soc_read(codec, WM8995_AIF1_CLOCKING_1)
1815 & WM8995_AIF1CLK_ENA;
1816
1817 aif2 = snd_soc_read(codec, WM8995_AIF2_CLOCKING_1)
1818 & WM8995_AIF2CLK_ENA;
1819
1820 switch (id) {
1821 case WM8995_FLL1:
1822 reg_offset = 0;
1823 id = 0;
1824 break;
1825 case WM8995_FLL2:
1826 reg_offset = 0x20;
1827 id = 1;
1828 break;
1829 default:
1830 return -EINVAL;
1831 }
1832
1833 switch (src) {
1834 case 0:
1835 /* Allow no source specification when stopping */
1836 if (freq_out)
1837 return -EINVAL;
1838 break;
1839 case WM8995_FLL_SRC_MCLK1:
1840 case WM8995_FLL_SRC_MCLK2:
1841 case WM8995_FLL_SRC_LRCLK:
1842 case WM8995_FLL_SRC_BCLK:
1843 break;
1844 default:
1845 return -EINVAL;
1846 }
1847
1848 /* Are we changing anything? */
1849 if (wm8995->fll[id].src == src &&
1850 wm8995->fll[id].in == freq_in && wm8995->fll[id].out == freq_out)
1851 return 0;
1852
1853 /* If we're stopping the FLL redo the old config - no
1854 * registers will actually be written but we avoid GCC flow
1855 * analysis bugs spewing warnings.
1856 */
1857 if (freq_out)
1858 ret = wm8995_get_fll_config(&fll, freq_in, freq_out);
1859 else
1860 ret = wm8995_get_fll_config(&fll, wm8995->fll[id].in,
1861 wm8995->fll[id].out);
1862 if (ret < 0)
1863 return ret;
1864
1865 /* Gate the AIF clocks while we reclock */
1866 snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1,
1867 WM8995_AIF1CLK_ENA_MASK, 0);
1868 snd_soc_update_bits(codec, WM8995_AIF2_CLOCKING_1,
1869 WM8995_AIF2CLK_ENA_MASK, 0);
1870
1871 /* We always need to disable the FLL while reconfiguring */
1872 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_1 + reg_offset,
1873 WM8995_FLL1_ENA_MASK, 0);
1874
1875 reg = (fll.outdiv << WM8995_FLL1_OUTDIV_SHIFT) |
1876 (fll.fll_fratio << WM8995_FLL1_FRATIO_SHIFT);
1877 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_2 + reg_offset,
1878 WM8995_FLL1_OUTDIV_MASK |
1879 WM8995_FLL1_FRATIO_MASK, reg);
1880
1881 snd_soc_write(codec, WM8995_FLL1_CONTROL_3 + reg_offset, fll.k);
1882
1883 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_4 + reg_offset,
1884 WM8995_FLL1_N_MASK,
1885 fll.n << WM8995_FLL1_N_SHIFT);
1886
1887 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_5 + reg_offset,
1888 WM8995_FLL1_REFCLK_DIV_MASK |
1889 WM8995_FLL1_REFCLK_SRC_MASK,
1890 (fll.clk_ref_div << WM8995_FLL1_REFCLK_DIV_SHIFT) |
1891 (src - 1));
1892
1893 if (freq_out)
1894 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_1 + reg_offset,
1895 WM8995_FLL1_ENA_MASK, WM8995_FLL1_ENA);
1896
1897 wm8995->fll[id].in = freq_in;
1898 wm8995->fll[id].out = freq_out;
1899 wm8995->fll[id].src = src;
1900
1901 /* Enable any gated AIF clocks */
1902 snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1,
1903 WM8995_AIF1CLK_ENA_MASK, aif1);
1904 snd_soc_update_bits(codec, WM8995_AIF2_CLOCKING_1,
1905 WM8995_AIF2CLK_ENA_MASK, aif2);
1906
1907 configure_clock(codec);
1908
1909 return 0;
1910}
1911
1912static int wm8995_set_dai_sysclk(struct snd_soc_dai *dai,
1913 int clk_id, unsigned int freq, int dir)
1914{
1915 struct snd_soc_codec *codec;
1916 struct wm8995_priv *wm8995;
1917
1918 codec = dai->codec;
1919 wm8995 = snd_soc_codec_get_drvdata(codec);
1920
1921 switch (dai->id) {
1922 case 0:
1923 case 1:
1924 break;
1925 default:
1926 /* AIF3 shares clocking with AIF1/2 */
1927 return -EINVAL;
1928 }
1929
1930 switch (clk_id) {
1931 case WM8995_SYSCLK_MCLK1:
1932 wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
1933 wm8995->mclk[0] = freq;
1934 dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
1935 dai->id + 1, freq);
1936 break;
1937 case WM8995_SYSCLK_MCLK2:
1938 wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
1939 wm8995->mclk[1] = freq;
1940 dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
1941 dai->id + 1, freq);
1942 break;
1943 case WM8995_SYSCLK_FLL1:
1944 wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL1;
1945 dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id + 1);
1946 break;
1947 case WM8995_SYSCLK_FLL2:
1948 wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL2;
1949 dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id + 1);
1950 break;
1951 case WM8995_SYSCLK_OPCLK:
1952 default:
1953 dev_err(dai->dev, "Unknown clock source %d\n", clk_id);
1954 return -EINVAL;
1955 }
1956
1957 configure_clock(codec);
1958
1959 return 0;
1960}
1961
1962static int wm8995_set_bias_level(struct snd_soc_codec *codec,
1963 enum snd_soc_bias_level level)
1964{
1965 struct wm8995_priv *wm8995;
1966 int ret;
1967
1968 wm8995 = snd_soc_codec_get_drvdata(codec);
1969 switch (level) {
1970 case SND_SOC_BIAS_ON:
1971 case SND_SOC_BIAS_PREPARE:
1972 break;
1973 case SND_SOC_BIAS_STANDBY:
1974 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
219d8df8
DP		 1975 ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
1976 wm8995->supplies);
1977 if (ret)
1978 return ret;
1979
c42da642 1980 ret = regcache_sync(wm8995->regmap);
6a504a75
DP		 1981 if (ret) {
1982 dev_err(codec->dev,
1983 "Failed to sync cache: %d\n", ret);
1984 return ret;
1985 }
1986
1987 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
1988 WM8995_BG_ENA_MASK, WM8995_BG_ENA);
6a504a75
DP		 1989 }
1990 break;
1991 case SND_SOC_BIAS_OFF:
1992 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
1993 WM8995_BG_ENA_MASK, 0);
219d8df8
DP		 1994 regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies),
1995 wm8995->supplies);
6a504a75
DP		 1996 break;
1997 }
1998
1999 codec->dapm.bias_level = level;
2000 return 0;
2001}
2002
2003#ifdef CONFIG_PM
84b315ee 2004static int wm8995_suspend(struct snd_soc_codec *codec)
6a504a75
DP		 2005{
2006 wm8995_set_bias_level(codec, SND_SOC_BIAS_OFF);
2007 return 0;
2008}
2009
2010static int wm8995_resume(struct snd_soc_codec *codec)
2011{
2012 wm8995_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2013 return 0;
2014}
2015#else
2016#define wm8995_suspend NULL
2017#define wm8995_resume NULL
2018#endif
2019
2020static int wm8995_remove(struct snd_soc_codec *codec)
2021{
2022 struct wm8995_priv *wm8995;
5992c587 2023 int i;
6a504a75 2024
6a504a75
DP		 2025 wm8995 = snd_soc_codec_get_drvdata(codec);
2026 wm8995_set_bias_level(codec, SND_SOC_BIAS_OFF);
5992c587
AL		 2027
2028 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); ++i)
2029 regulator_unregister_notifier(wm8995->supplies[i].consumer,
2030 &wm8995->disable_nb[i]);
2031
2032 regulator_bulk_free(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
6a504a75
DP		 2033 return 0;
2034}
2035
2036static int wm8995_probe(struct snd_soc_codec *codec)
2037{
2038 struct wm8995_priv *wm8995;
219d8df8 2039 int i;
6a504a75
DP		 2040 int ret;
2041
6a504a75 2042 wm8995 = snd_soc_codec_get_drvdata(codec);
219d8df8 2043 wm8995->codec = codec;
6a504a75 2044
219d8df8
DP		 2045 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++)
2046 wm8995->supplies[i].supply = wm8995_supply_names[i];
2047
2048 ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8995->supplies),
2049 wm8995->supplies);
2050 if (ret) {
2051 dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
2052 return ret;
2053 }
2054
2055 wm8995->disable_nb[0].notifier_call = wm8995_regulator_event_0;
2056 wm8995->disable_nb[1].notifier_call = wm8995_regulator_event_1;
2057 wm8995->disable_nb[2].notifier_call = wm8995_regulator_event_2;
2058 wm8995->disable_nb[3].notifier_call = wm8995_regulator_event_3;
2059 wm8995->disable_nb[4].notifier_call = wm8995_regulator_event_4;
2060 wm8995->disable_nb[5].notifier_call = wm8995_regulator_event_5;
2061 wm8995->disable_nb[6].notifier_call = wm8995_regulator_event_6;
2062 wm8995->disable_nb[7].notifier_call = wm8995_regulator_event_7;
2063
2064 /* This should really be moved into the regulator core */
2065 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++) {
2066 ret = regulator_register_notifier(wm8995->supplies[i].consumer,
2067 &wm8995->disable_nb[i]);
2068 if (ret) {
2069 dev_err(codec->dev,
2070 "Failed to register regulator notifier: %d\n",
2071 ret);
2072 }
2073 }
2074
2075 ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
2076 wm8995->supplies);
2077 if (ret) {
2078 dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
2079 goto err_reg_get;
2080 }
2081
6a504a75
DP		 2082 ret = snd_soc_read(codec, WM8995_SOFTWARE_RESET);
2083 if (ret < 0) {
2084 dev_err(codec->dev, "Failed to read device ID: %d\n", ret);
219d8df8 2085 goto err_reg_enable;
6a504a75
DP		 2086 }
2087
2088 if (ret != 0x8995) {
2089 dev_err(codec->dev, "Invalid device ID: %#x\n", ret);
6fa0c25b 2090 ret = -EINVAL;
219d8df8 2091 goto err_reg_enable;
6a504a75
DP		 2092 }
2093
2094 ret = snd_soc_write(codec, WM8995_SOFTWARE_RESET, 0);
2095 if (ret < 0) {
2096 dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
219d8df8 2097 goto err_reg_enable;
6a504a75
DP		 2098 }
2099
2100 wm8995_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2101
2102 /* Latch volume updates (right only; we always do left then right). */
2103 snd_soc_update_bits(codec, WM8995_AIF1_DAC1_RIGHT_VOLUME,
2104 WM8995_AIF1DAC1_VU_MASK, WM8995_AIF1DAC1_VU);
2105 snd_soc_update_bits(codec, WM8995_AIF1_DAC2_RIGHT_VOLUME,
2106 WM8995_AIF1DAC2_VU_MASK, WM8995_AIF1DAC2_VU);
2107 snd_soc_update_bits(codec, WM8995_AIF2_DAC_RIGHT_VOLUME,
2108 WM8995_AIF2DAC_VU_MASK, WM8995_AIF2DAC_VU);
2109 snd_soc_update_bits(codec, WM8995_AIF1_ADC1_RIGHT_VOLUME,
2110 WM8995_AIF1ADC1_VU_MASK, WM8995_AIF1ADC1_VU);
2111 snd_soc_update_bits(codec, WM8995_AIF1_ADC2_RIGHT_VOLUME,
2112 WM8995_AIF1ADC2_VU_MASK, WM8995_AIF1ADC2_VU);
2113 snd_soc_update_bits(codec, WM8995_AIF2_ADC_RIGHT_VOLUME,
2114 WM8995_AIF2ADC_VU_MASK, WM8995_AIF1ADC2_VU);
2115 snd_soc_update_bits(codec, WM8995_DAC1_RIGHT_VOLUME,
2116 WM8995_DAC1_VU_MASK, WM8995_DAC1_VU);
2117 snd_soc_update_bits(codec, WM8995_DAC2_RIGHT_VOLUME,
2118 WM8995_DAC2_VU_MASK, WM8995_DAC2_VU);
2119 snd_soc_update_bits(codec, WM8995_RIGHT_LINE_INPUT_1_VOLUME,
2120 WM8995_IN1_VU_MASK, WM8995_IN1_VU);
2121
2122 wm8995_update_class_w(codec);
2123
022658be 2124 snd_soc_add_codec_controls(codec, wm8995_snd_controls,
6a504a75
DP		 2125 ARRAY_SIZE(wm8995_snd_controls));
2126 snd_soc_dapm_new_controls(&codec->dapm, wm8995_dapm_widgets,
2127 ARRAY_SIZE(wm8995_dapm_widgets));
2128 snd_soc_dapm_add_routes(&codec->dapm, wm8995_intercon,
2129 ARRAY_SIZE(wm8995_intercon));
2130
2131 return 0;
219d8df8
DP		 2132
2133err_reg_enable:
2134 regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
2135err_reg_get:
2136 regulator_bulk_free(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
2137 return ret;
6a504a75
DP		 2138}
2139
2140#define WM8995_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
2141 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
2142
85e7652d 2143static const struct snd_soc_dai_ops wm8995_aif1_dai_ops = {
6a504a75
DP		 2144 .set_sysclk = wm8995_set_dai_sysclk,
2145 .set_fmt = wm8995_set_dai_fmt,
2146 .hw_params = wm8995_hw_params,
2147 .digital_mute = wm8995_aif_mute,
2148 .set_pll = wm8995_set_fll,
2149 .set_tristate = wm8995_set_tristate,
2150};
2151
85e7652d 2152static const struct snd_soc_dai_ops wm8995_aif2_dai_ops = {
6a504a75
DP		 2153 .set_sysclk = wm8995_set_dai_sysclk,
2154 .set_fmt = wm8995_set_dai_fmt,
2155 .hw_params = wm8995_hw_params,
2156 .digital_mute = wm8995_aif_mute,
2157 .set_pll = wm8995_set_fll,
2158 .set_tristate = wm8995_set_tristate,
2159};
2160
85e7652d 2161static const struct snd_soc_dai_ops wm8995_aif3_dai_ops = {
6a504a75
DP		 2162 .set_tristate = wm8995_set_tristate,
2163};
2164
2165static struct snd_soc_dai_driver wm8995_dai[] = {
2166 {
2167 .name = "wm8995-aif1",
2168 .playback = {
2169 .stream_name = "AIF1 Playback",
2170 .channels_min = 2,
2171 .channels_max = 2,
2172 .rates = SNDRV_PCM_RATE_8000_96000,
2173 .formats = WM8995_FORMATS
2174 },
2175 .capture = {
2176 .stream_name = "AIF1 Capture",
2177 .channels_min = 2,
2178 .channels_max = 2,
2179 .rates = SNDRV_PCM_RATE_8000_48000,
2180 .formats = WM8995_FORMATS
2181 },
2182 .ops = &wm8995_aif1_dai_ops
2183 },
2184 {
2185 .name = "wm8995-aif2",
2186 .playback = {
2187 .stream_name = "AIF2 Playback",
2188 .channels_min = 2,
2189 .channels_max = 2,
2190 .rates = SNDRV_PCM_RATE_8000_96000,
2191 .formats = WM8995_FORMATS
2192 },
2193 .capture = {
2194 .stream_name = "AIF2 Capture",
2195 .channels_min = 2,
2196 .channels_max = 2,
2197 .rates = SNDRV_PCM_RATE_8000_48000,
2198 .formats = WM8995_FORMATS
2199 },
2200 .ops = &wm8995_aif2_dai_ops
2201 },
2202 {
2203 .name = "wm8995-aif3",
2204 .playback = {
2205 .stream_name = "AIF3 Playback",
2206 .channels_min = 2,
2207 .channels_max = 2,
2208 .rates = SNDRV_PCM_RATE_8000_96000,
2209 .formats = WM8995_FORMATS
2210 },
2211 .capture = {
2212 .stream_name = "AIF3 Capture",
2213 .channels_min = 2,
2214 .channels_max = 2,
2215 .rates = SNDRV_PCM_RATE_8000_48000,
2216 .formats = WM8995_FORMATS
2217 },
2218 .ops = &wm8995_aif3_dai_ops
2219 }
2220};
2221
2222static struct snd_soc_codec_driver soc_codec_dev_wm8995 = {
2223 .probe = wm8995_probe,
2224 .remove = wm8995_remove,
2225 .suspend = wm8995_suspend,
2226 .resume = wm8995_resume,
2227 .set_bias_level = wm8995_set_bias_level,
eb3032f8 2228 .idle_bias_off = true,
c42da642
MB		 2229};
2230
2231static struct regmap_config wm8995_regmap = {
2232 .reg_bits = 16,
2233 .val_bits = 16,
2234
2235 .max_register = WM8995_MAX_REGISTER,
2236 .reg_defaults = wm8995_reg_defaults,
2237 .num_reg_defaults = ARRAY_SIZE(wm8995_reg_defaults),
2238 .volatile_reg = wm8995_volatile,
2239 .readable_reg = wm8995_readable,
2240 .cache_type = REGCACHE_RBTREE,
6a504a75
DP		 2241};
2242
2243#if defined(CONFIG_SPI_MASTER)
7a79e94e 2244static int wm8995_spi_probe(struct spi_device *spi)
6a504a75
DP		 2245{
2246 struct wm8995_priv *wm8995;
2247 int ret;
2248
d5ff3c8a 2249 wm8995 = devm_kzalloc(&spi->dev, sizeof(*wm8995), GFP_KERNEL);
6a504a75
DP		 2250 if (!wm8995)
2251 return -ENOMEM;
2252
6a504a75
DP		 2253 spi_set_drvdata(spi, wm8995);
2254
d2d1fe90 2255 wm8995->regmap = devm_regmap_init_spi(spi, &wm8995_regmap);
c42da642
MB		 2256 if (IS_ERR(wm8995->regmap)) {
2257 ret = PTR_ERR(wm8995->regmap);
2258 dev_err(&spi->dev, "Failed to register regmap: %d\n", ret);
d5ff3c8a 2259 return ret;
c42da642
MB		 2260 }
2261
6a504a75
DP		 2262 ret = snd_soc_register_codec(&spi->dev,
2263 &soc_codec_dev_wm8995, wm8995_dai,
2264 ARRAY_SIZE(wm8995_dai));
6a504a75
DP		 2265 return ret;
2266}
2267
7a79e94e 2268static int wm8995_spi_remove(struct spi_device *spi)
6a504a75
DP		 2269{
2270 snd_soc_unregister_codec(&spi->dev);
6a504a75
DP		 2271 return 0;
2272}
2273
2274static struct spi_driver wm8995_spi_driver = {
2275 .driver = {
2276 .name = "wm8995",
2277 .owner = THIS_MODULE,
2278 },
2279 .probe = wm8995_spi_probe,
7a79e94e 2280 .remove = wm8995_spi_remove
6a504a75
DP		 2281};
2282#endif
2283
d44008b3 2284#if IS_ENABLED(CONFIG_I2C)
7a79e94e
BP		 2285static int wm8995_i2c_probe(struct i2c_client *i2c,
2286 const struct i2c_device_id *id)
6a504a75
DP		 2287{
2288 struct wm8995_priv *wm8995;
2289 int ret;
2290
d5ff3c8a 2291 wm8995 = devm_kzalloc(&i2c->dev, sizeof(*wm8995), GFP_KERNEL);
6a504a75
DP		 2292 if (!wm8995)
2293 return -ENOMEM;
2294
6a504a75
DP		 2295 i2c_set_clientdata(i2c, wm8995);
2296
d2d1fe90 2297 wm8995->regmap = devm_regmap_init_i2c(i2c, &wm8995_regmap);
c42da642
MB		 2298 if (IS_ERR(wm8995->regmap)) {
2299 ret = PTR_ERR(wm8995->regmap);
2300 dev_err(&i2c->dev, "Failed to register regmap: %d\n", ret);
d5ff3c8a 2301 return ret;
c42da642
MB		 2302 }
2303
6a504a75
DP		 2304 ret = snd_soc_register_codec(&i2c->dev,
2305 &soc_codec_dev_wm8995, wm8995_dai,
2306 ARRAY_SIZE(wm8995_dai));
d2d1fe90 2307 if (ret < 0)
c42da642 2308 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
c42da642 2309
6a504a75
DP		 2310 return ret;
2311}
2312
7a79e94e 2313static int wm8995_i2c_remove(struct i2c_client *client)
6a504a75
DP		 2314{
2315 snd_soc_unregister_codec(&client->dev);
6a504a75
DP		 2316 return 0;
2317}
2318
2319static const struct i2c_device_id wm8995_i2c_id[] = {
2320 {"wm8995", 0},
2321 {}
2322};
2323
2324MODULE_DEVICE_TABLE(i2c, wm8995_i2c_id);
2325
2326static struct i2c_driver wm8995_i2c_driver = {
2327 .driver = {
2328 .name = "wm8995",
2329 .owner = THIS_MODULE,
2330 },
2331 .probe = wm8995_i2c_probe,
7a79e94e 2332 .remove = wm8995_i2c_remove,
6a504a75
DP		 2333 .id_table = wm8995_i2c_id
2334};
2335#endif
2336
2337static int __init wm8995_modinit(void)
2338{
2339 int ret = 0;
2340
d44008b3 2341#if IS_ENABLED(CONFIG_I2C)
6a504a75
DP		 2342 ret = i2c_add_driver(&wm8995_i2c_driver);
2343 if (ret) {
2344 printk(KERN_ERR "Failed to register wm8995 I2C driver: %d\n",
2345 ret);
2346 }
2347#endif
2348#if defined(CONFIG_SPI_MASTER)
2349 ret = spi_register_driver(&wm8995_spi_driver);
2350 if (ret) {
2351 printk(KERN_ERR "Failed to register wm8995 SPI driver: %d\n",
2352 ret);
2353 }
2354#endif
2355 return ret;
2356}
2357
2358module_init(wm8995_modinit);
2359
2360static void __exit wm8995_exit(void)
2361{
d44008b3 2362#if IS_ENABLED(CONFIG_I2C)
6a504a75
DP		 2363 i2c_del_driver(&wm8995_i2c_driver);
2364#endif
2365#if defined(CONFIG_SPI_MASTER)
2366 spi_unregister_driver(&wm8995_spi_driver);
2367#endif
2368}
2369
2370module_exit(wm8995_exit);
2371
2372MODULE_DESCRIPTION("ASoC WM8995 driver");
2373MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
2374MODULE_LICENSE("GPL");
Linux kernel - Deliverables
This page took 0.254167 seconds and 5 git commands to generate.