1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * wm8995.c -- WM8995 ALSA SoC Audio driver
4 *
5 * Copyright 2010 Wolfson Microelectronics plc
6 *
7 * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
8 *
9 * Based on wm8994.c and wm_hubs.c by Mark Brown
10 */
11
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/init.h>
15 #include <linux/delay.h>
16 #include <linux/pm.h>
17 #include <linux/i2c.h>
18 #include <linux/regmap.h>
19 #include <linux/spi/spi.h>
20 #include <linux/regulator/consumer.h>
21 #include <linux/slab.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include <sound/soc-dapm.h>
27 #include <sound/initval.h>
28 #include <sound/tlv.h>
29
30 #include "wm8995.h"
31
32 #define WM8995_NUM_SUPPLIES 8
33 static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = {
34 "DCVDD",
35 "DBVDD1",
36 "DBVDD2",
37 "DBVDD3",
38 "AVDD1",
39 "AVDD2",
40 "CPVDD",
41 "MICVDD"
42 };
43
44 static const struct reg_default wm8995_reg_defaults[] = {
45 { 0, 0x8995 },
46 { 5, 0x0100 },
47 { 16, 0x000b },
48 { 17, 0x000b },
49 { 24, 0x02c0 },
50 { 25, 0x02c0 },
51 { 26, 0x02c0 },
52 { 27, 0x02c0 },
53 { 28, 0x000f },
54 { 32, 0x0005 },
55 { 33, 0x0005 },
56 { 40, 0x0003 },
57 { 41, 0x0013 },
58 { 48, 0x0004 },
59 { 56, 0x09f8 },
60 { 64, 0x1f25 },
61 { 69, 0x0004 },
62 { 82, 0xaaaa },
63 { 84, 0x2a2a },
64 { 146, 0x0060 },
65 { 256, 0x0002 },
66 { 257, 0x8004 },
67 { 520, 0x0010 },
68 { 528, 0x0083 },
69 { 529, 0x0083 },
70 { 548, 0x0c80 },
71 { 580, 0x0c80 },
72 { 768, 0x4050 },
73 { 769, 0x4000 },
74 { 771, 0x0040 },
75 { 772, 0x0040 },
76 { 773, 0x0040 },
77 { 774, 0x0004 },
78 { 775, 0x0100 },
79 { 784, 0x4050 },
80 { 785, 0x4000 },
81 { 787, 0x0040 },
82 { 788, 0x0040 },
83 { 789, 0x0040 },
84 { 1024, 0x00c0 },
85 { 1025, 0x00c0 },
86 { 1026, 0x00c0 },
87 { 1027, 0x00c0 },
88 { 1028, 0x00c0 },
89 { 1029, 0x00c0 },
90 { 1030, 0x00c0 },
91 { 1031, 0x00c0 },
92 { 1056, 0x0200 },
93 { 1057, 0x0010 },
94 { 1058, 0x0200 },
95 { 1059, 0x0010 },
96 { 1088, 0x0098 },
97 { 1089, 0x0845 },
98 { 1104, 0x0098 },
99 { 1105, 0x0845 },
100 { 1152, 0x6318 },
101 { 1153, 0x6300 },
102 { 1154, 0x0fca },
103 { 1155, 0x0400 },
104 { 1156, 0x00d8 },
105 { 1157, 0x1eb5 },
106 { 1158, 0xf145 },
107 { 1159, 0x0b75 },
108 { 1160, 0x01c5 },
109 { 1161, 0x1c58 },
110 { 1162, 0xf373 },
111 { 1163, 0x0a54 },
112 { 1164, 0x0558 },
113 { 1165, 0x168e },
114 { 1166, 0xf829 },
115 { 1167, 0x07ad },
116 { 1168, 0x1103 },
117 { 1169, 0x0564 },
118 { 1170, 0x0559 },
119 { 1171, 0x4000 },
120 { 1184, 0x6318 },
121 { 1185, 0x6300 },
122 { 1186, 0x0fca },
123 { 1187, 0x0400 },
124 { 1188, 0x00d8 },
125 { 1189, 0x1eb5 },
126 { 1190, 0xf145 },
127 { 1191, 0x0b75 },
128 { 1192, 0x01c5 },
129 { 1193, 0x1c58 },
130 { 1194, 0xf373 },
131 { 1195, 0x0a54 },
132 { 1196, 0x0558 },
133 { 1197, 0x168e },
134 { 1198, 0xf829 },
135 { 1199, 0x07ad },
136 { 1200, 0x1103 },
137 { 1201, 0x0564 },
138 { 1202, 0x0559 },
139 { 1203, 0x4000 },
140 { 1280, 0x00c0 },
141 { 1281, 0x00c0 },
142 { 1282, 0x00c0 },
143 { 1283, 0x00c0 },
144 { 1312, 0x0200 },
145 { 1313, 0x0010 },
146 { 1344, 0x0098 },
147 { 1345, 0x0845 },
148 { 1408, 0x6318 },
149 { 1409, 0x6300 },
150 { 1410, 0x0fca },
151 { 1411, 0x0400 },
152 { 1412, 0x00d8 },
153 { 1413, 0x1eb5 },
154 { 1414, 0xf145 },
155 { 1415, 0x0b75 },
156 { 1416, 0x01c5 },
157 { 1417, 0x1c58 },
158 { 1418, 0xf373 },
159 { 1419, 0x0a54 },
160 { 1420, 0x0558 },
161 { 1421, 0x168e },
162 { 1422, 0xf829 },
163 { 1423, 0x07ad },
164 { 1424, 0x1103 },
165 { 1425, 0x0564 },
166 { 1426, 0x0559 },
167 { 1427, 0x4000 },
168 { 1568, 0x0002 },
169 { 1792, 0xa100 },
170 { 1793, 0xa101 },
171 { 1794, 0xa101 },
172 { 1795, 0xa101 },
173 { 1796, 0xa101 },
174 { 1797, 0xa101 },
175 { 1798, 0xa101 },
176 { 1799, 0xa101 },
177 { 1800, 0xa101 },
178 { 1801, 0xa101 },
179 { 1802, 0xa101 },
180 { 1803, 0xa101 },
181 { 1804, 0xa101 },
182 { 1805, 0xa101 },
183 { 1825, 0x0055 },
184 { 1848, 0x3fff },
185 { 1849, 0x1fff },
186 { 2049, 0x0001 },
187 { 2050, 0x0069 },
188 { 2056, 0x0002 },
189 { 2057, 0x0003 },
190 { 2058, 0x0069 },
191 { 12288, 0x0001 },
192 { 12289, 0x0001 },
193 { 12291, 0x0006 },
194 { 12292, 0x0040 },
195 { 12293, 0x0001 },
196 { 12294, 0x000f },
197 { 12295, 0x0006 },
198 { 12296, 0x0001 },
199 { 12297, 0x0003 },
200 { 12298, 0x0104 },
201 { 12300, 0x0060 },
202 { 12301, 0x0011 },
203 { 12302, 0x0401 },
204 { 12304, 0x0050 },
205 { 12305, 0x0003 },
206 { 12306, 0x0100 },
207 { 12308, 0x0051 },
208 { 12309, 0x0003 },
209 { 12310, 0x0104 },
210 { 12311, 0x000a },
211 { 12312, 0x0060 },
212 { 12313, 0x003b },
213 { 12314, 0x0502 },
214 { 12315, 0x0100 },
215 { 12316, 0x2fff },
216 { 12320, 0x2fff },
217 { 12324, 0x2fff },
218 { 12328, 0x2fff },
219 { 12332, 0x2fff },
220 { 12336, 0x2fff },
221 { 12340, 0x2fff },
222 { 12344, 0x2fff },
223 { 12348, 0x2fff },
224 { 12352, 0x0001 },
225 { 12353, 0x0001 },
226 { 12355, 0x0006 },
227 { 12356, 0x0040 },
228 { 12357, 0x0001 },
229 { 12358, 0x000f },
230 { 12359, 0x0006 },
231 { 12360, 0x0001 },
232 { 12361, 0x0003 },
233 { 12362, 0x0104 },
234 { 12364, 0x0060 },
235 { 12365, 0x0011 },
236 { 12366, 0x0401 },
237 { 12368, 0x0050 },
238 { 12369, 0x0003 },
239 { 12370, 0x0100 },
240 { 12372, 0x0060 },
241 { 12373, 0x003b },
242 { 12374, 0x0502 },
243 { 12375, 0x0100 },
244 { 12376, 0x2fff },
245 { 12380, 0x2fff },
246 { 12384, 0x2fff },
247 { 12388, 0x2fff },
248 { 12392, 0x2fff },
249 { 12396, 0x2fff },
250 { 12400, 0x2fff },
251 { 12404, 0x2fff },
252 { 12408, 0x2fff },
253 { 12412, 0x2fff },
254 { 12416, 0x0001 },
255 { 12417, 0x0001 },
256 { 12419, 0x0006 },
257 { 12420, 0x0040 },
258 { 12421, 0x0001 },
259 { 12422, 0x000f },
260 { 12423, 0x0006 },
261 { 12424, 0x0001 },
262 { 12425, 0x0003 },
263 { 12426, 0x0106 },
264 { 12428, 0x0061 },
265 { 12429, 0x0011 },
266 { 12430, 0x0401 },
267 { 12432, 0x0050 },
268 { 12433, 0x0003 },
269 { 12434, 0x0102 },
270 { 12436, 0x0051 },
271 { 12437, 0x0003 },
272 { 12438, 0x0106 },
273 { 12439, 0x000a },
274 { 12440, 0x0061 },
275 { 12441, 0x003b },
276 { 12442, 0x0502 },
277 { 12443, 0x0100 },
278 { 12444, 0x2fff },
279 { 12448, 0x2fff },
280 { 12452, 0x2fff },
281 { 12456, 0x2fff },
282 { 12460, 0x2fff },
283 { 12464, 0x2fff },
284 { 12468, 0x2fff },
285 { 12472, 0x2fff },
286 { 12476, 0x2fff },
287 { 12480, 0x0001 },
288 { 12481, 0x0001 },
289 { 12483, 0x0006 },
290 { 12484, 0x0040 },
291 { 12485, 0x0001 },
292 { 12486, 0x000f },
293 { 12487, 0x0006 },
294 { 12488, 0x0001 },
295 { 12489, 0x0003 },
296 { 12490, 0x0106 },
297 { 12492, 0x0061 },
298 { 12493, 0x0011 },
299 { 12494, 0x0401 },
300 { 12496, 0x0050 },
301 { 12497, 0x0003 },
302 { 12498, 0x0102 },
303 { 12500, 0x0061 },
304 { 12501, 0x003b },
305 { 12502, 0x0502 },
306 { 12503, 0x0100 },
307 { 12504, 0x2fff },
308 { 12508, 0x2fff },
309 { 12512, 0x2fff },
310 { 12516, 0x2fff },
311 { 12520, 0x2fff },
312 { 12524, 0x2fff },
313 { 12528, 0x2fff },
314 { 12532, 0x2fff },
315 { 12536, 0x2fff },
316 { 12540, 0x2fff },
317 { 12544, 0x0060 },
318 { 12546, 0x0601 },
319 { 12548, 0x0050 },
320 { 12550, 0x0100 },
321 { 12552, 0x0001 },
322 { 12554, 0x0104 },
323 { 12555, 0x0100 },
324 { 12556, 0x2fff },
325 { 12560, 0x2fff },
326 { 12564, 0x2fff },
327 { 12568, 0x2fff },
328 { 12572, 0x2fff },
329 { 12576, 0x2fff },
330 { 12580, 0x2fff },
331 { 12584, 0x2fff },
332 { 12588, 0x2fff },
333 { 12592, 0x2fff },
334 { 12596, 0x2fff },
335 { 12600, 0x2fff },
336 { 12604, 0x2fff },
337 { 12608, 0x0061 },
338 { 12610, 0x0601 },
339 { 12612, 0x0050 },
340 { 12614, 0x0102 },
341 { 12616, 0x0001 },
342 { 12618, 0x0106 },
343 { 12619, 0x0100 },
344 { 12620, 0x2fff },
345 { 12624, 0x2fff },
346 { 12628, 0x2fff },
347 { 12632, 0x2fff },
348 { 12636, 0x2fff },
349 { 12640, 0x2fff },
350 { 12644, 0x2fff },
351 { 12648, 0x2fff },
352 { 12652, 0x2fff },
353 { 12656, 0x2fff },
354 { 12660, 0x2fff },
355 { 12664, 0x2fff },
356 { 12668, 0x2fff },
357 { 12672, 0x0060 },
358 { 12674, 0x0601 },
359 { 12676, 0x0061 },
360 { 12678, 0x0601 },
361 { 12680, 0x0050 },
362 { 12682, 0x0300 },
363 { 12684, 0x0001 },
364 { 12686, 0x0304 },
365 { 12688, 0x0040 },
366 { 12690, 0x000f },
367 { 12692, 0x0001 },
368 { 12695, 0x0100 },
369 };
370
371 struct fll_config {
372 int src;
373 int in;
374 int out;
375 };
376
377 struct wm8995_priv {
378 struct regmap *regmap;
379 int sysclk[2];
380 int mclk[2];
381 int aifclk[2];
382 struct fll_config fll[2], fll_suspend[2];
383 struct regulator_bulk_data supplies[WM8995_NUM_SUPPLIES];
384 struct notifier_block disable_nb[WM8995_NUM_SUPPLIES];
385 struct snd_soc_component *component;
386 };
387
388 /*
389 * We can't use the same notifier block for more than one supply and
390 * there's no way I can see to get from a callback to the caller
391 * except container_of().
392 */
393 #define WM8995_REGULATOR_EVENT(n) \
394 static int wm8995_regulator_event_##n(struct notifier_block *nb, \
395 unsigned long event, void *data) \
396 { \
397 struct wm8995_priv *wm8995 = container_of(nb, struct wm8995_priv, \
398 disable_nb[n]); \
399 if (event & REGULATOR_EVENT_DISABLE) { \
400 regcache_mark_dirty(wm8995->regmap); \
401 } \
402 return 0; \
403 }
404
405 WM8995_REGULATOR_EVENT(0)
406 WM8995_REGULATOR_EVENT(1)
407 WM8995_REGULATOR_EVENT(2)
408 WM8995_REGULATOR_EVENT(3)
409 WM8995_REGULATOR_EVENT(4)
410 WM8995_REGULATOR_EVENT(5)
411 WM8995_REGULATOR_EVENT(6)
412 WM8995_REGULATOR_EVENT(7)
413
414 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
415 static const DECLARE_TLV_DB_SCALE(in1lr_pga_tlv, -1650, 150, 0);
416 static const DECLARE_TLV_DB_SCALE(in1l_boost_tlv, 0, 600, 0);
417 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
418
419 static const char *in1l_text[] = {
420 "Differential", "Single-ended IN1LN", "Single-ended IN1LP"
421 };
422
423 static SOC_ENUM_SINGLE_DECL(in1l_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
424 2, in1l_text);
425
426 static const char *in1r_text[] = {
427 "Differential", "Single-ended IN1RN", "Single-ended IN1RP"
428 };
429
430 static SOC_ENUM_SINGLE_DECL(in1r_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
431 0, in1r_text);
432
433 static const char *dmic_src_text[] = {
434 "DMICDAT1", "DMICDAT2", "DMICDAT3"
435 };
436
437 static SOC_ENUM_SINGLE_DECL(dmic_src1_enum, WM8995_POWER_MANAGEMENT_5,
438 8, dmic_src_text);
439 static SOC_ENUM_SINGLE_DECL(dmic_src2_enum, WM8995_POWER_MANAGEMENT_5,
440 6, dmic_src_text);
441
442 static const struct snd_kcontrol_new wm8995_snd_controls[] = {
443 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8995_DAC1_LEFT_VOLUME,
444 WM8995_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
445 SOC_DOUBLE_R("DAC1 Switch", WM8995_DAC1_LEFT_VOLUME,
446 WM8995_DAC1_RIGHT_VOLUME, 9, 1, 1),
447
448 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8995_DAC2_LEFT_VOLUME,
449 WM8995_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
450 SOC_DOUBLE_R("DAC2 Switch", WM8995_DAC2_LEFT_VOLUME,
451 WM8995_DAC2_RIGHT_VOLUME, 9, 1, 1),
452
453 SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8995_AIF1_DAC1_LEFT_VOLUME,
454 WM8995_AIF1_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
455 SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8995_AIF1_DAC2_LEFT_VOLUME,
456 WM8995_AIF1_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
457 SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8995_AIF2_DAC_LEFT_VOLUME,
458 WM8995_AIF2_DAC_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
459
460 SOC_DOUBLE_R_TLV("IN1LR Volume", WM8995_LEFT_LINE_INPUT_1_VOLUME,
461 WM8995_RIGHT_LINE_INPUT_1_VOLUME, 0, 31, 0, in1lr_pga_tlv),
462
463 SOC_SINGLE_TLV("IN1L Boost", WM8995_LEFT_LINE_INPUT_CONTROL,
464 4, 3, 0, in1l_boost_tlv),
465
466 SOC_ENUM("IN1L Mode", in1l_enum),
467 SOC_ENUM("IN1R Mode", in1r_enum),
468
469 SOC_ENUM("DMIC1 SRC", dmic_src1_enum),
470 SOC_ENUM("DMIC2 SRC", dmic_src2_enum),
471
472 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8995_DAC1_MIXER_VOLUMES, 0, 5,
473 24, 0, sidetone_tlv),
474 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8995_DAC2_MIXER_VOLUMES, 0, 5,
475 24, 0, sidetone_tlv),
476
477 SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8995_AIF1_ADC1_LEFT_VOLUME,
478 WM8995_AIF1_ADC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
479 SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8995_AIF1_ADC2_LEFT_VOLUME,
480 WM8995_AIF1_ADC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
481 SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8995_AIF2_ADC_LEFT_VOLUME,
482 WM8995_AIF2_ADC_RIGHT_VOLUME, 0, 96, 0, digital_tlv)
483 };
484
wm8995_update_class_w(struct snd_soc_component * component)485 static void wm8995_update_class_w(struct snd_soc_component *component)
486 {
487 int enable = 1;
488 int source = 0; /* GCC flow analysis can't track enable */
489 int reg, reg_r;
490
491 /* We also need the same setting for L/R and only one path */
492 reg = snd_soc_component_read(component, WM8995_DAC1_LEFT_MIXER_ROUTING);
493 switch (reg) {
494 case WM8995_AIF2DACL_TO_DAC1L:
495 dev_dbg(component->dev, "Class W source AIF2DAC\n");
496 source = 2 << WM8995_CP_DYN_SRC_SEL_SHIFT;
497 break;
498 case WM8995_AIF1DAC2L_TO_DAC1L:
499 dev_dbg(component->dev, "Class W source AIF1DAC2\n");
500 source = 1 << WM8995_CP_DYN_SRC_SEL_SHIFT;
501 break;
502 case WM8995_AIF1DAC1L_TO_DAC1L:
503 dev_dbg(component->dev, "Class W source AIF1DAC1\n");
504 source = 0 << WM8995_CP_DYN_SRC_SEL_SHIFT;
505 break;
506 default:
507 dev_dbg(component->dev, "DAC mixer setting: %x\n", reg);
508 enable = 0;
509 break;
510 }
511
512 reg_r = snd_soc_component_read(component, WM8995_DAC1_RIGHT_MIXER_ROUTING);
513 if (reg_r != reg) {
514 dev_dbg(component->dev, "Left and right DAC mixers different\n");
515 enable = 0;
516 }
517
518 if (enable) {
519 dev_dbg(component->dev, "Class W enabled\n");
520 snd_soc_component_update_bits(component, WM8995_CLASS_W_1,
521 WM8995_CP_DYN_PWR_MASK |
522 WM8995_CP_DYN_SRC_SEL_MASK,
523 source | WM8995_CP_DYN_PWR);
524 } else {
525 dev_dbg(component->dev, "Class W disabled\n");
526 snd_soc_component_update_bits(component, WM8995_CLASS_W_1,
527 WM8995_CP_DYN_PWR_MASK, 0);
528 }
529 }
530
check_clk_sys(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)531 static int check_clk_sys(struct snd_soc_dapm_widget *source,
532 struct snd_soc_dapm_widget *sink)
533 {
534 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
535 unsigned int reg;
536 const char *clk;
537
538 reg = snd_soc_component_read(component, WM8995_CLOCKING_1);
539 /* Check what we're currently using for CLK_SYS */
540 if (reg & WM8995_SYSCLK_SRC)
541 clk = "AIF2CLK";
542 else
543 clk = "AIF1CLK";
544 return !strcmp(source->name, clk);
545 }
546
wm8995_put_class_w(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)547 static int wm8995_put_class_w(struct snd_kcontrol *kcontrol,
548 struct snd_ctl_elem_value *ucontrol)
549 {
550 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
551 int ret;
552
553 ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
554 wm8995_update_class_w(component);
555 return ret;
556 }
557
hp_supply_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)558 static int hp_supply_event(struct snd_soc_dapm_widget *w,
559 struct snd_kcontrol *kcontrol, int event)
560 {
561 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
562
563 switch (event) {
564 case SND_SOC_DAPM_PRE_PMU:
565 /* Enable the headphone amp */
566 snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1,
567 WM8995_HPOUT1L_ENA_MASK |
568 WM8995_HPOUT1R_ENA_MASK,
569 WM8995_HPOUT1L_ENA |
570 WM8995_HPOUT1R_ENA);
571
572 /* Enable the second stage */
573 snd_soc_component_update_bits(component, WM8995_ANALOGUE_HP_1,
574 WM8995_HPOUT1L_DLY_MASK |
575 WM8995_HPOUT1R_DLY_MASK,
576 WM8995_HPOUT1L_DLY |
577 WM8995_HPOUT1R_DLY);
578 break;
579 case SND_SOC_DAPM_PRE_PMD:
580 snd_soc_component_update_bits(component, WM8995_CHARGE_PUMP_1,
581 WM8995_CP_ENA_MASK, 0);
582 break;
583 }
584
585 return 0;
586 }
587
dc_servo_cmd(struct snd_soc_component * component,unsigned int reg,unsigned int val,unsigned int mask)588 static void dc_servo_cmd(struct snd_soc_component *component,
589 unsigned int reg, unsigned int val, unsigned int mask)
590 {
591 int timeout = 10;
592
593 dev_dbg(component->dev, "%s: reg = %#x, val = %#x, mask = %#x\n",
594 __func__, reg, val, mask);
595
596 snd_soc_component_write(component, reg, val);
597 while (timeout--) {
598 msleep(10);
599 val = snd_soc_component_read(component, WM8995_DC_SERVO_READBACK_0);
600 if ((val & mask) == mask)
601 return;
602 }
603
604 dev_err(component->dev, "Timed out waiting for DC Servo\n");
605 }
606
hp_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)607 static int hp_event(struct snd_soc_dapm_widget *w,
608 struct snd_kcontrol *kcontrol, int event)
609 {
610 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
611 unsigned int reg;
612
613 reg = snd_soc_component_read(component, WM8995_ANALOGUE_HP_1);
614
615 switch (event) {
616 case SND_SOC_DAPM_POST_PMU:
617 snd_soc_component_update_bits(component, WM8995_CHARGE_PUMP_1,
618 WM8995_CP_ENA_MASK, WM8995_CP_ENA);
619
620 msleep(5);
621
622 snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1,
623 WM8995_HPOUT1L_ENA_MASK |
624 WM8995_HPOUT1R_ENA_MASK,
625 WM8995_HPOUT1L_ENA | WM8995_HPOUT1R_ENA);
626
627 udelay(20);
628
629 reg |= WM8995_HPOUT1L_DLY | WM8995_HPOUT1R_DLY;
630 snd_soc_component_write(component, WM8995_ANALOGUE_HP_1, reg);
631
632 snd_soc_component_write(component, WM8995_DC_SERVO_1, WM8995_DCS_ENA_CHAN_0 |
633 WM8995_DCS_ENA_CHAN_1);
634
635 dc_servo_cmd(component, WM8995_DC_SERVO_2,
636 WM8995_DCS_TRIG_STARTUP_0 |
637 WM8995_DCS_TRIG_STARTUP_1,
638 WM8995_DCS_TRIG_DAC_WR_0 |
639 WM8995_DCS_TRIG_DAC_WR_1);
640
641 reg |= WM8995_HPOUT1R_OUTP | WM8995_HPOUT1R_RMV_SHORT |
642 WM8995_HPOUT1L_OUTP | WM8995_HPOUT1L_RMV_SHORT;
643 snd_soc_component_write(component, WM8995_ANALOGUE_HP_1, reg);
644
645 break;
646 case SND_SOC_DAPM_PRE_PMD:
647 snd_soc_component_update_bits(component, WM8995_ANALOGUE_HP_1,
648 WM8995_HPOUT1L_OUTP_MASK |
649 WM8995_HPOUT1R_OUTP_MASK |
650 WM8995_HPOUT1L_RMV_SHORT_MASK |
651 WM8995_HPOUT1R_RMV_SHORT_MASK, 0);
652
653 snd_soc_component_update_bits(component, WM8995_ANALOGUE_HP_1,
654 WM8995_HPOUT1L_DLY_MASK |
655 WM8995_HPOUT1R_DLY_MASK, 0);
656
657 snd_soc_component_write(component, WM8995_DC_SERVO_1, 0);
658
659 snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1,
660 WM8995_HPOUT1L_ENA_MASK |
661 WM8995_HPOUT1R_ENA_MASK,
662 0);
663 break;
664 }
665
666 return 0;
667 }
668
configure_aif_clock(struct snd_soc_component * component,int aif)669 static int configure_aif_clock(struct snd_soc_component *component, int aif)
670 {
671 struct wm8995_priv *wm8995;
672 int rate;
673 int reg1 = 0;
674 int offset;
675
676 wm8995 = snd_soc_component_get_drvdata(component);
677
678 if (aif)
679 offset = 4;
680 else
681 offset = 0;
682
683 switch (wm8995->sysclk[aif]) {
684 case WM8995_SYSCLK_MCLK1:
685 rate = wm8995->mclk[0];
686 break;
687 case WM8995_SYSCLK_MCLK2:
688 reg1 |= 0x8;
689 rate = wm8995->mclk[1];
690 break;
691 case WM8995_SYSCLK_FLL1:
692 reg1 |= 0x10;
693 rate = wm8995->fll[0].out;
694 break;
695 case WM8995_SYSCLK_FLL2:
696 reg1 |= 0x18;
697 rate = wm8995->fll[1].out;
698 break;
699 default:
700 return -EINVAL;
701 }
702
703 if (rate >= 13500000) {
704 rate /= 2;
705 reg1 |= WM8995_AIF1CLK_DIV;
706
707 dev_dbg(component->dev, "Dividing AIF%d clock to %dHz\n",
708 aif + 1, rate);
709 }
710
711 wm8995->aifclk[aif] = rate;
712
713 snd_soc_component_update_bits(component, WM8995_AIF1_CLOCKING_1 + offset,
714 WM8995_AIF1CLK_SRC_MASK | WM8995_AIF1CLK_DIV_MASK,
715 reg1);
716 return 0;
717 }
718
configure_clock(struct snd_soc_component * component)719 static int configure_clock(struct snd_soc_component *component)
720 {
721 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
722 struct wm8995_priv *wm8995;
723 int change, new;
724
725 wm8995 = snd_soc_component_get_drvdata(component);
726
727 /* Bring up the AIF clocks first */
728 configure_aif_clock(component, 0);
729 configure_aif_clock(component, 1);
730
731 /*
732 * Then switch CLK_SYS over to the higher of them; a change
733 * can only happen as a result of a clocking change which can
734 * only be made outside of DAPM so we can safely redo the
735 * clocking.
736 */
737
738 /* If they're equal it doesn't matter which is used */
739 if (wm8995->aifclk[0] == wm8995->aifclk[1])
740 return 0;
741
742 if (wm8995->aifclk[0] < wm8995->aifclk[1])
743 new = WM8995_SYSCLK_SRC;
744 else
745 new = 0;
746
747 change = snd_soc_component_update_bits(component, WM8995_CLOCKING_1,
748 WM8995_SYSCLK_SRC_MASK, new);
749 if (!change)
750 return 0;
751
752 snd_soc_dapm_sync(dapm);
753
754 return 0;
755 }
756
clk_sys_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)757 static int clk_sys_event(struct snd_soc_dapm_widget *w,
758 struct snd_kcontrol *kcontrol, int event)
759 {
760 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
761
762 switch (event) {
763 case SND_SOC_DAPM_PRE_PMU:
764 return configure_clock(component);
765
766 case SND_SOC_DAPM_POST_PMD:
767 configure_clock(component);
768 break;
769 }
770
771 return 0;
772 }
773
774 static const char *sidetone_text[] = {
775 "ADC/DMIC1", "DMIC2",
776 };
777
778 static SOC_ENUM_SINGLE_DECL(sidetone1_enum, WM8995_SIDETONE, 0, sidetone_text);
779
780 static const struct snd_kcontrol_new sidetone1_mux =
781 SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
782
783 static SOC_ENUM_SINGLE_DECL(sidetone2_enum, WM8995_SIDETONE, 1, sidetone_text);
784
785 static const struct snd_kcontrol_new sidetone2_mux =
786 SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
787
788 static const struct snd_kcontrol_new aif1adc1l_mix[] = {
789 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
790 1, 1, 0),
791 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
792 0, 1, 0),
793 };
794
795 static const struct snd_kcontrol_new aif1adc1r_mix[] = {
796 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
797 1, 1, 0),
798 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
799 0, 1, 0),
800 };
801
802 static const struct snd_kcontrol_new aif1adc2l_mix[] = {
803 SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
804 1, 1, 0),
805 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
806 0, 1, 0),
807 };
808
809 static const struct snd_kcontrol_new aif1adc2r_mix[] = {
810 SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
811 1, 1, 0),
812 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
813 0, 1, 0),
814 };
815
816 static const struct snd_kcontrol_new dac1l_mix[] = {
817 WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
818 5, 1, 0),
819 WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
820 4, 1, 0),
821 WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
822 2, 1, 0),
823 WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
824 1, 1, 0),
825 WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
826 0, 1, 0),
827 };
828
829 static const struct snd_kcontrol_new dac1r_mix[] = {
830 WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
831 5, 1, 0),
832 WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
833 4, 1, 0),
834 WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
835 2, 1, 0),
836 WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
837 1, 1, 0),
838 WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
839 0, 1, 0),
840 };
841
842 static const struct snd_kcontrol_new aif2dac2l_mix[] = {
843 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
844 5, 1, 0),
845 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
846 4, 1, 0),
847 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
848 2, 1, 0),
849 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
850 1, 1, 0),
851 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
852 0, 1, 0),
853 };
854
855 static const struct snd_kcontrol_new aif2dac2r_mix[] = {
856 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
857 5, 1, 0),
858 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
859 4, 1, 0),
860 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
861 2, 1, 0),
862 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
863 1, 1, 0),
864 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
865 0, 1, 0),
866 };
867
868 static const struct snd_kcontrol_new in1l_pga =
869 SOC_DAPM_SINGLE("IN1L Switch", WM8995_POWER_MANAGEMENT_2, 5, 1, 0);
870
871 static const struct snd_kcontrol_new in1r_pga =
872 SOC_DAPM_SINGLE("IN1R Switch", WM8995_POWER_MANAGEMENT_2, 4, 1, 0);
873
874 static const char *adc_mux_text[] = {
875 "ADC",
876 "DMIC",
877 };
878
879 static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text);
880
881 static const struct snd_kcontrol_new adcl_mux =
882 SOC_DAPM_ENUM("ADCL Mux", adc_enum);
883
884 static const struct snd_kcontrol_new adcr_mux =
885 SOC_DAPM_ENUM("ADCR Mux", adc_enum);
886
887 static const char *spk_src_text[] = {
888 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
889 };
890
891 static SOC_ENUM_SINGLE_DECL(spk1l_src_enum, WM8995_LEFT_PDM_SPEAKER_1,
892 0, spk_src_text);
893 static SOC_ENUM_SINGLE_DECL(spk1r_src_enum, WM8995_RIGHT_PDM_SPEAKER_1,
894 0, spk_src_text);
895 static SOC_ENUM_SINGLE_DECL(spk2l_src_enum, WM8995_LEFT_PDM_SPEAKER_2,
896 0, spk_src_text);
897 static SOC_ENUM_SINGLE_DECL(spk2r_src_enum, WM8995_RIGHT_PDM_SPEAKER_2,
898 0, spk_src_text);
899
900 static const struct snd_kcontrol_new spk1l_mux =
901 SOC_DAPM_ENUM("SPK1L SRC", spk1l_src_enum);
902 static const struct snd_kcontrol_new spk1r_mux =
903 SOC_DAPM_ENUM("SPK1R SRC", spk1r_src_enum);
904 static const struct snd_kcontrol_new spk2l_mux =
905 SOC_DAPM_ENUM("SPK2L SRC", spk2l_src_enum);
906 static const struct snd_kcontrol_new spk2r_mux =
907 SOC_DAPM_ENUM("SPK2R SRC", spk2r_src_enum);
908
909 static const struct snd_soc_dapm_widget wm8995_dapm_widgets[] = {
910 SND_SOC_DAPM_INPUT("DMIC1DAT"),
911 SND_SOC_DAPM_INPUT("DMIC2DAT"),
912
913 SND_SOC_DAPM_INPUT("IN1L"),
914 SND_SOC_DAPM_INPUT("IN1R"),
915
916 SND_SOC_DAPM_MIXER("IN1L PGA", SND_SOC_NOPM, 0, 0,
917 &in1l_pga, 1),
918 SND_SOC_DAPM_MIXER("IN1R PGA", SND_SOC_NOPM, 0, 0,
919 &in1r_pga, 1),
920
921 SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8995_POWER_MANAGEMENT_1, 8, 0,
922 NULL, 0),
923 SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8995_POWER_MANAGEMENT_1, 9, 0,
924 NULL, 0),
925
926 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8995_AIF1_CLOCKING_1, 0, 0, NULL, 0),
927 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8995_AIF2_CLOCKING_1, 0, 0, NULL, 0),
928 SND_SOC_DAPM_SUPPLY("DSP1CLK", WM8995_CLOCKING_1, 3, 0, NULL, 0),
929 SND_SOC_DAPM_SUPPLY("DSP2CLK", WM8995_CLOCKING_1, 2, 0, NULL, 0),
930 SND_SOC_DAPM_SUPPLY("SYSDSPCLK", WM8995_CLOCKING_1, 1, 0, NULL, 0),
931 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
932 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
933
934 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", "AIF1 Capture", 0,
935 WM8995_POWER_MANAGEMENT_3, 9, 0),
936 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", "AIF1 Capture", 0,
937 WM8995_POWER_MANAGEMENT_3, 8, 0),
938 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", "AIF1 Capture", 0,
939 SND_SOC_NOPM, 0, 0),
940 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", "AIF1 Capture",
941 0, WM8995_POWER_MANAGEMENT_3, 11, 0),
942 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", "AIF1 Capture",
943 0, WM8995_POWER_MANAGEMENT_3, 10, 0),
944
945 SND_SOC_DAPM_MUX("ADCL Mux", SND_SOC_NOPM, 1, 0, &adcl_mux),
946 SND_SOC_DAPM_MUX("ADCR Mux", SND_SOC_NOPM, 0, 0, &adcr_mux),
947
948 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8995_POWER_MANAGEMENT_3, 5, 0),
949 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8995_POWER_MANAGEMENT_3, 4, 0),
950 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8995_POWER_MANAGEMENT_3, 3, 0),
951 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8995_POWER_MANAGEMENT_3, 2, 0),
952
953 SND_SOC_DAPM_ADC("ADCL", NULL, WM8995_POWER_MANAGEMENT_3, 1, 0),
954 SND_SOC_DAPM_ADC("ADCR", NULL, WM8995_POWER_MANAGEMENT_3, 0, 0),
955
956 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
957 aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
958 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
959 aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
960 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
961 aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
962 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
963 aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
964
965 SND_SOC_DAPM_AIF_IN("AIF1DAC1L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
966 9, 0),
967 SND_SOC_DAPM_AIF_IN("AIF1DAC1R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
968 8, 0),
969 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", "AIF1 Playback", 0, SND_SOC_NOPM,
970 0, 0),
971
972 SND_SOC_DAPM_AIF_IN("AIF1DAC2L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
973 11, 0),
974 SND_SOC_DAPM_AIF_IN("AIF1DAC2R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
975 10, 0),
976
977 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
978 aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
979 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
980 aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
981
982 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8995_POWER_MANAGEMENT_4, 3, 0),
983 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8995_POWER_MANAGEMENT_4, 2, 0),
984 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8995_POWER_MANAGEMENT_4, 1, 0),
985 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8995_POWER_MANAGEMENT_4, 0, 0),
986
987 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, dac1l_mix,
988 ARRAY_SIZE(dac1l_mix)),
989 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, dac1r_mix,
990 ARRAY_SIZE(dac1r_mix)),
991
992 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
993 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
994
995 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
996 hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
997
998 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0,
999 hp_supply_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1000
1001 SND_SOC_DAPM_MUX("SPK1L Driver", WM8995_LEFT_PDM_SPEAKER_1,
1002 4, 0, &spk1l_mux),
1003 SND_SOC_DAPM_MUX("SPK1R Driver", WM8995_RIGHT_PDM_SPEAKER_1,
1004 4, 0, &spk1r_mux),
1005 SND_SOC_DAPM_MUX("SPK2L Driver", WM8995_LEFT_PDM_SPEAKER_2,
1006 4, 0, &spk2l_mux),
1007 SND_SOC_DAPM_MUX("SPK2R Driver", WM8995_RIGHT_PDM_SPEAKER_2,
1008 4, 0, &spk2r_mux),
1009
1010 SND_SOC_DAPM_SUPPLY("LDO2", WM8995_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
1011
1012 SND_SOC_DAPM_OUTPUT("HP1L"),
1013 SND_SOC_DAPM_OUTPUT("HP1R"),
1014 SND_SOC_DAPM_OUTPUT("SPK1L"),
1015 SND_SOC_DAPM_OUTPUT("SPK1R"),
1016 SND_SOC_DAPM_OUTPUT("SPK2L"),
1017 SND_SOC_DAPM_OUTPUT("SPK2R")
1018 };
1019
1020 static const struct snd_soc_dapm_route wm8995_intercon[] = {
1021 { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
1022 { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
1023
1024 { "DSP1CLK", NULL, "CLK_SYS" },
1025 { "DSP2CLK", NULL, "CLK_SYS" },
1026 { "SYSDSPCLK", NULL, "CLK_SYS" },
1027
1028 { "AIF1ADC1L", NULL, "AIF1CLK" },
1029 { "AIF1ADC1L", NULL, "DSP1CLK" },
1030 { "AIF1ADC1R", NULL, "AIF1CLK" },
1031 { "AIF1ADC1R", NULL, "DSP1CLK" },
1032 { "AIF1ADC1R", NULL, "SYSDSPCLK" },
1033
1034 { "AIF1ADC2L", NULL, "AIF1CLK" },
1035 { "AIF1ADC2L", NULL, "DSP1CLK" },
1036 { "AIF1ADC2R", NULL, "AIF1CLK" },
1037 { "AIF1ADC2R", NULL, "DSP1CLK" },
1038 { "AIF1ADC2R", NULL, "SYSDSPCLK" },
1039
1040 { "DMIC1L", NULL, "DMIC1DAT" },
1041 { "DMIC1L", NULL, "CLK_SYS" },
1042 { "DMIC1R", NULL, "DMIC1DAT" },
1043 { "DMIC1R", NULL, "CLK_SYS" },
1044 { "DMIC2L", NULL, "DMIC2DAT" },
1045 { "DMIC2L", NULL, "CLK_SYS" },
1046 { "DMIC2R", NULL, "DMIC2DAT" },
1047 { "DMIC2R", NULL, "CLK_SYS" },
1048
1049 { "ADCL", NULL, "AIF1CLK" },
1050 { "ADCL", NULL, "DSP1CLK" },
1051 { "ADCL", NULL, "SYSDSPCLK" },
1052
1053 { "ADCR", NULL, "AIF1CLK" },
1054 { "ADCR", NULL, "DSP1CLK" },
1055 { "ADCR", NULL, "SYSDSPCLK" },
1056
1057 { "IN1L PGA", "IN1L Switch", "IN1L" },
1058 { "IN1R PGA", "IN1R Switch", "IN1R" },
1059 { "IN1L PGA", NULL, "LDO2" },
1060 { "IN1R PGA", NULL, "LDO2" },
1061
1062 { "ADCL", NULL, "IN1L PGA" },
1063 { "ADCR", NULL, "IN1R PGA" },
1064
1065 { "ADCL Mux", "ADC", "ADCL" },
1066 { "ADCL Mux", "DMIC", "DMIC1L" },
1067 { "ADCR Mux", "ADC", "ADCR" },
1068 { "ADCR Mux", "DMIC", "DMIC1R" },
1069
1070 /* AIF1 outputs */
1071 { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
1072 { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
1073
1074 { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
1075 { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
1076
1077 { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
1078 { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
1079
1080 { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
1081 { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
1082
1083 /* Sidetone */
1084 { "Left Sidetone", "ADC/DMIC1", "AIF1ADC1L" },
1085 { "Left Sidetone", "DMIC2", "AIF1ADC2L" },
1086 { "Right Sidetone", "ADC/DMIC1", "AIF1ADC1R" },
1087 { "Right Sidetone", "DMIC2", "AIF1ADC2R" },
1088
1089 { "AIF1DAC1L", NULL, "AIF1CLK" },
1090 { "AIF1DAC1L", NULL, "DSP1CLK" },
1091 { "AIF1DAC1R", NULL, "AIF1CLK" },
1092 { "AIF1DAC1R", NULL, "DSP1CLK" },
1093 { "AIF1DAC1R", NULL, "SYSDSPCLK" },
1094
1095 { "AIF1DAC2L", NULL, "AIF1CLK" },
1096 { "AIF1DAC2L", NULL, "DSP1CLK" },
1097 { "AIF1DAC2R", NULL, "AIF1CLK" },
1098 { "AIF1DAC2R", NULL, "DSP1CLK" },
1099 { "AIF1DAC2R", NULL, "SYSDSPCLK" },
1100
1101 { "DAC1L", NULL, "AIF1CLK" },
1102 { "DAC1L", NULL, "DSP1CLK" },
1103 { "DAC1L", NULL, "SYSDSPCLK" },
1104
1105 { "DAC1R", NULL, "AIF1CLK" },
1106 { "DAC1R", NULL, "DSP1CLK" },
1107 { "DAC1R", NULL, "SYSDSPCLK" },
1108
1109 { "AIF1DAC1L", NULL, "AIF1DACDAT" },
1110 { "AIF1DAC1R", NULL, "AIF1DACDAT" },
1111 { "AIF1DAC2L", NULL, "AIF1DACDAT" },
1112 { "AIF1DAC2R", NULL, "AIF1DACDAT" },
1113
1114 /* DAC1 inputs */
1115 { "DAC1L", NULL, "DAC1L Mixer" },
1116 { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1117 { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1118 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1119 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1120
1121 { "DAC1R", NULL, "DAC1R Mixer" },
1122 { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1123 { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1124 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1125 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1126
1127 /* DAC2/AIF2 outputs */
1128 { "DAC2L", NULL, "AIF2DAC2L Mixer" },
1129 { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1130 { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1131
1132 { "DAC2R", NULL, "AIF2DAC2R Mixer" },
1133 { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1134 { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1135
1136 /* Output stages */
1137 { "Headphone PGA", NULL, "DAC1L" },
1138 { "Headphone PGA", NULL, "DAC1R" },
1139
1140 { "Headphone PGA", NULL, "DAC2L" },
1141 { "Headphone PGA", NULL, "DAC2R" },
1142
1143 { "Headphone PGA", NULL, "Headphone Supply" },
1144 { "Headphone PGA", NULL, "CLK_SYS" },
1145 { "Headphone PGA", NULL, "LDO2" },
1146
1147 { "HP1L", NULL, "Headphone PGA" },
1148 { "HP1R", NULL, "Headphone PGA" },
1149
1150 { "SPK1L Driver", "DAC1L", "DAC1L" },
1151 { "SPK1L Driver", "DAC1R", "DAC1R" },
1152 { "SPK1L Driver", "DAC2L", "DAC2L" },
1153 { "SPK1L Driver", "DAC2R", "DAC2R" },
1154 { "SPK1L Driver", NULL, "CLK_SYS" },
1155
1156 { "SPK1R Driver", "DAC1L", "DAC1L" },
1157 { "SPK1R Driver", "DAC1R", "DAC1R" },
1158 { "SPK1R Driver", "DAC2L", "DAC2L" },
1159 { "SPK1R Driver", "DAC2R", "DAC2R" },
1160 { "SPK1R Driver", NULL, "CLK_SYS" },
1161
1162 { "SPK2L Driver", "DAC1L", "DAC1L" },
1163 { "SPK2L Driver", "DAC1R", "DAC1R" },
1164 { "SPK2L Driver", "DAC2L", "DAC2L" },
1165 { "SPK2L Driver", "DAC2R", "DAC2R" },
1166 { "SPK2L Driver", NULL, "CLK_SYS" },
1167
1168 { "SPK2R Driver", "DAC1L", "DAC1L" },
1169 { "SPK2R Driver", "DAC1R", "DAC1R" },
1170 { "SPK2R Driver", "DAC2L", "DAC2L" },
1171 { "SPK2R Driver", "DAC2R", "DAC2R" },
1172 { "SPK2R Driver", NULL, "CLK_SYS" },
1173
1174 { "SPK1L", NULL, "SPK1L Driver" },
1175 { "SPK1R", NULL, "SPK1R Driver" },
1176 { "SPK2L", NULL, "SPK2L Driver" },
1177 { "SPK2R", NULL, "SPK2R Driver" }
1178 };
1179
wm8995_readable(struct device * dev,unsigned int reg)1180 static bool wm8995_readable(struct device *dev, unsigned int reg)
1181 {
1182 switch (reg) {
1183 case WM8995_SOFTWARE_RESET:
1184 case WM8995_POWER_MANAGEMENT_1:
1185 case WM8995_POWER_MANAGEMENT_2:
1186 case WM8995_POWER_MANAGEMENT_3:
1187 case WM8995_POWER_MANAGEMENT_4:
1188 case WM8995_POWER_MANAGEMENT_5:
1189 case WM8995_LEFT_LINE_INPUT_1_VOLUME:
1190 case WM8995_RIGHT_LINE_INPUT_1_VOLUME:
1191 case WM8995_LEFT_LINE_INPUT_CONTROL:
1192 case WM8995_DAC1_LEFT_VOLUME:
1193 case WM8995_DAC1_RIGHT_VOLUME:
1194 case WM8995_DAC2_LEFT_VOLUME:
1195 case WM8995_DAC2_RIGHT_VOLUME:
1196 case WM8995_OUTPUT_VOLUME_ZC_1:
1197 case WM8995_MICBIAS_1:
1198 case WM8995_MICBIAS_2:
1199 case WM8995_LDO_1:
1200 case WM8995_LDO_2:
1201 case WM8995_ACCESSORY_DETECT_MODE1:
1202 case WM8995_ACCESSORY_DETECT_MODE2:
1203 case WM8995_HEADPHONE_DETECT1:
1204 case WM8995_HEADPHONE_DETECT2:
1205 case WM8995_MIC_DETECT_1:
1206 case WM8995_MIC_DETECT_2:
1207 case WM8995_CHARGE_PUMP_1:
1208 case WM8995_CLASS_W_1:
1209 case WM8995_DC_SERVO_1:
1210 case WM8995_DC_SERVO_2:
1211 case WM8995_DC_SERVO_3:
1212 case WM8995_DC_SERVO_5:
1213 case WM8995_DC_SERVO_6:
1214 case WM8995_DC_SERVO_7:
1215 case WM8995_DC_SERVO_READBACK_0:
1216 case WM8995_ANALOGUE_HP_1:
1217 case WM8995_ANALOGUE_HP_2:
1218 case WM8995_CHIP_REVISION:
1219 case WM8995_CONTROL_INTERFACE_1:
1220 case WM8995_CONTROL_INTERFACE_2:
1221 case WM8995_WRITE_SEQUENCER_CTRL_1:
1222 case WM8995_WRITE_SEQUENCER_CTRL_2:
1223 case WM8995_AIF1_CLOCKING_1:
1224 case WM8995_AIF1_CLOCKING_2:
1225 case WM8995_AIF2_CLOCKING_1:
1226 case WM8995_AIF2_CLOCKING_2:
1227 case WM8995_CLOCKING_1:
1228 case WM8995_CLOCKING_2:
1229 case WM8995_AIF1_RATE:
1230 case WM8995_AIF2_RATE:
1231 case WM8995_RATE_STATUS:
1232 case WM8995_FLL1_CONTROL_1:
1233 case WM8995_FLL1_CONTROL_2:
1234 case WM8995_FLL1_CONTROL_3:
1235 case WM8995_FLL1_CONTROL_4:
1236 case WM8995_FLL1_CONTROL_5:
1237 case WM8995_FLL2_CONTROL_1:
1238 case WM8995_FLL2_CONTROL_2:
1239 case WM8995_FLL2_CONTROL_3:
1240 case WM8995_FLL2_CONTROL_4:
1241 case WM8995_FLL2_CONTROL_5:
1242 case WM8995_AIF1_CONTROL_1:
1243 case WM8995_AIF1_CONTROL_2:
1244 case WM8995_AIF1_MASTER_SLAVE:
1245 case WM8995_AIF1_BCLK:
1246 case WM8995_AIF1ADC_LRCLK:
1247 case WM8995_AIF1DAC_LRCLK:
1248 case WM8995_AIF1DAC_DATA:
1249 case WM8995_AIF1ADC_DATA:
1250 case WM8995_AIF2_CONTROL_1:
1251 case WM8995_AIF2_CONTROL_2:
1252 case WM8995_AIF2_MASTER_SLAVE:
1253 case WM8995_AIF2_BCLK:
1254 case WM8995_AIF2ADC_LRCLK:
1255 case WM8995_AIF2DAC_LRCLK:
1256 case WM8995_AIF2DAC_DATA:
1257 case WM8995_AIF2ADC_DATA:
1258 case WM8995_AIF1_ADC1_LEFT_VOLUME:
1259 case WM8995_AIF1_ADC1_RIGHT_VOLUME:
1260 case WM8995_AIF1_DAC1_LEFT_VOLUME:
1261 case WM8995_AIF1_DAC1_RIGHT_VOLUME:
1262 case WM8995_AIF1_ADC2_LEFT_VOLUME:
1263 case WM8995_AIF1_ADC2_RIGHT_VOLUME:
1264 case WM8995_AIF1_DAC2_LEFT_VOLUME:
1265 case WM8995_AIF1_DAC2_RIGHT_VOLUME:
1266 case WM8995_AIF1_ADC1_FILTERS:
1267 case WM8995_AIF1_ADC2_FILTERS:
1268 case WM8995_AIF1_DAC1_FILTERS_1:
1269 case WM8995_AIF1_DAC1_FILTERS_2:
1270 case WM8995_AIF1_DAC2_FILTERS_1:
1271 case WM8995_AIF1_DAC2_FILTERS_2:
1272 case WM8995_AIF1_DRC1_1:
1273 case WM8995_AIF1_DRC1_2:
1274 case WM8995_AIF1_DRC1_3:
1275 case WM8995_AIF1_DRC1_4:
1276 case WM8995_AIF1_DRC1_5:
1277 case WM8995_AIF1_DRC2_1:
1278 case WM8995_AIF1_DRC2_2:
1279 case WM8995_AIF1_DRC2_3:
1280 case WM8995_AIF1_DRC2_4:
1281 case WM8995_AIF1_DRC2_5:
1282 case WM8995_AIF1_DAC1_EQ_GAINS_1:
1283 case WM8995_AIF1_DAC1_EQ_GAINS_2:
1284 case WM8995_AIF1_DAC1_EQ_BAND_1_A:
1285 case WM8995_AIF1_DAC1_EQ_BAND_1_B:
1286 case WM8995_AIF1_DAC1_EQ_BAND_1_PG:
1287 case WM8995_AIF1_DAC1_EQ_BAND_2_A:
1288 case WM8995_AIF1_DAC1_EQ_BAND_2_B:
1289 case WM8995_AIF1_DAC1_EQ_BAND_2_C:
1290 case WM8995_AIF1_DAC1_EQ_BAND_2_PG:
1291 case WM8995_AIF1_DAC1_EQ_BAND_3_A:
1292 case WM8995_AIF1_DAC1_EQ_BAND_3_B:
1293 case WM8995_AIF1_DAC1_EQ_BAND_3_C:
1294 case WM8995_AIF1_DAC1_EQ_BAND_3_PG:
1295 case WM8995_AIF1_DAC1_EQ_BAND_4_A:
1296 case WM8995_AIF1_DAC1_EQ_BAND_4_B:
1297 case WM8995_AIF1_DAC1_EQ_BAND_4_C:
1298 case WM8995_AIF1_DAC1_EQ_BAND_4_PG:
1299 case WM8995_AIF1_DAC1_EQ_BAND_5_A:
1300 case WM8995_AIF1_DAC1_EQ_BAND_5_B:
1301 case WM8995_AIF1_DAC1_EQ_BAND_5_PG:
1302 case WM8995_AIF1_DAC2_EQ_GAINS_1:
1303 case WM8995_AIF1_DAC2_EQ_GAINS_2:
1304 case WM8995_AIF1_DAC2_EQ_BAND_1_A:
1305 case WM8995_AIF1_DAC2_EQ_BAND_1_B:
1306 case WM8995_AIF1_DAC2_EQ_BAND_1_PG:
1307 case WM8995_AIF1_DAC2_EQ_BAND_2_A:
1308 case WM8995_AIF1_DAC2_EQ_BAND_2_B:
1309 case WM8995_AIF1_DAC2_EQ_BAND_2_C:
1310 case WM8995_AIF1_DAC2_EQ_BAND_2_PG:
1311 case WM8995_AIF1_DAC2_EQ_BAND_3_A:
1312 case WM8995_AIF1_DAC2_EQ_BAND_3_B:
1313 case WM8995_AIF1_DAC2_EQ_BAND_3_C:
1314 case WM8995_AIF1_DAC2_EQ_BAND_3_PG:
1315 case WM8995_AIF1_DAC2_EQ_BAND_4_A:
1316 case WM8995_AIF1_DAC2_EQ_BAND_4_B:
1317 case WM8995_AIF1_DAC2_EQ_BAND_4_C:
1318 case WM8995_AIF1_DAC2_EQ_BAND_4_PG:
1319 case WM8995_AIF1_DAC2_EQ_BAND_5_A:
1320 case WM8995_AIF1_DAC2_EQ_BAND_5_B:
1321 case WM8995_AIF1_DAC2_EQ_BAND_5_PG:
1322 case WM8995_AIF2_ADC_LEFT_VOLUME:
1323 case WM8995_AIF2_ADC_RIGHT_VOLUME:
1324 case WM8995_AIF2_DAC_LEFT_VOLUME:
1325 case WM8995_AIF2_DAC_RIGHT_VOLUME:
1326 case WM8995_AIF2_ADC_FILTERS:
1327 case WM8995_AIF2_DAC_FILTERS_1:
1328 case WM8995_AIF2_DAC_FILTERS_2:
1329 case WM8995_AIF2_DRC_1:
1330 case WM8995_AIF2_DRC_2:
1331 case WM8995_AIF2_DRC_3:
1332 case WM8995_AIF2_DRC_4:
1333 case WM8995_AIF2_DRC_5:
1334 case WM8995_AIF2_EQ_GAINS_1:
1335 case WM8995_AIF2_EQ_GAINS_2:
1336 case WM8995_AIF2_EQ_BAND_1_A:
1337 case WM8995_AIF2_EQ_BAND_1_B:
1338 case WM8995_AIF2_EQ_BAND_1_PG:
1339 case WM8995_AIF2_EQ_BAND_2_A:
1340 case WM8995_AIF2_EQ_BAND_2_B:
1341 case WM8995_AIF2_EQ_BAND_2_C:
1342 case WM8995_AIF2_EQ_BAND_2_PG:
1343 case WM8995_AIF2_EQ_BAND_3_A:
1344 case WM8995_AIF2_EQ_BAND_3_B:
1345 case WM8995_AIF2_EQ_BAND_3_C:
1346 case WM8995_AIF2_EQ_BAND_3_PG:
1347 case WM8995_AIF2_EQ_BAND_4_A:
1348 case WM8995_AIF2_EQ_BAND_4_B:
1349 case WM8995_AIF2_EQ_BAND_4_C:
1350 case WM8995_AIF2_EQ_BAND_4_PG:
1351 case WM8995_AIF2_EQ_BAND_5_A:
1352 case WM8995_AIF2_EQ_BAND_5_B:
1353 case WM8995_AIF2_EQ_BAND_5_PG:
1354 case WM8995_DAC1_MIXER_VOLUMES:
1355 case WM8995_DAC1_LEFT_MIXER_ROUTING:
1356 case WM8995_DAC1_RIGHT_MIXER_ROUTING:
1357 case WM8995_DAC2_MIXER_VOLUMES:
1358 case WM8995_DAC2_LEFT_MIXER_ROUTING:
1359 case WM8995_DAC2_RIGHT_MIXER_ROUTING:
1360 case WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING:
1361 case WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING:
1362 case WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING:
1363 case WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING:
1364 case WM8995_DAC_SOFTMUTE:
1365 case WM8995_OVERSAMPLING:
1366 case WM8995_SIDETONE:
1367 case WM8995_GPIO_1:
1368 case WM8995_GPIO_2:
1369 case WM8995_GPIO_3:
1370 case WM8995_GPIO_4:
1371 case WM8995_GPIO_5:
1372 case WM8995_GPIO_6:
1373 case WM8995_GPIO_7:
1374 case WM8995_GPIO_8:
1375 case WM8995_GPIO_9:
1376 case WM8995_GPIO_10:
1377 case WM8995_GPIO_11:
1378 case WM8995_GPIO_12:
1379 case WM8995_GPIO_13:
1380 case WM8995_GPIO_14:
1381 case WM8995_PULL_CONTROL_1:
1382 case WM8995_PULL_CONTROL_2:
1383 case WM8995_INTERRUPT_STATUS_1:
1384 case WM8995_INTERRUPT_STATUS_2:
1385 case WM8995_INTERRUPT_RAW_STATUS_2:
1386 case WM8995_INTERRUPT_STATUS_1_MASK:
1387 case WM8995_INTERRUPT_STATUS_2_MASK:
1388 case WM8995_INTERRUPT_CONTROL:
1389 case WM8995_LEFT_PDM_SPEAKER_1:
1390 case WM8995_RIGHT_PDM_SPEAKER_1:
1391 case WM8995_PDM_SPEAKER_1_MUTE_SEQUENCE:
1392 case WM8995_LEFT_PDM_SPEAKER_2:
1393 case WM8995_RIGHT_PDM_SPEAKER_2:
1394 case WM8995_PDM_SPEAKER_2_MUTE_SEQUENCE:
1395 return true;
1396 default:
1397 return false;
1398 }
1399 }
1400
wm8995_volatile(struct device * dev,unsigned int reg)1401 static bool wm8995_volatile(struct device *dev, unsigned int reg)
1402 {
1403 switch (reg) {
1404 case WM8995_SOFTWARE_RESET:
1405 case WM8995_DC_SERVO_READBACK_0:
1406 case WM8995_INTERRUPT_STATUS_1:
1407 case WM8995_INTERRUPT_STATUS_2:
1408 case WM8995_INTERRUPT_CONTROL:
1409 case WM8995_ACCESSORY_DETECT_MODE1:
1410 case WM8995_ACCESSORY_DETECT_MODE2:
1411 case WM8995_HEADPHONE_DETECT1:
1412 case WM8995_HEADPHONE_DETECT2:
1413 case WM8995_RATE_STATUS:
1414 return true;
1415 default:
1416 return false;
1417 }
1418 }
1419
wm8995_aif_mute(struct snd_soc_dai * dai,int mute,int direction)1420 static int wm8995_aif_mute(struct snd_soc_dai *dai, int mute, int direction)
1421 {
1422 struct snd_soc_component *component = dai->component;
1423 int mute_reg;
1424
1425 switch (dai->id) {
1426 case 0:
1427 mute_reg = WM8995_AIF1_DAC1_FILTERS_1;
1428 break;
1429 case 1:
1430 mute_reg = WM8995_AIF2_DAC_FILTERS_1;
1431 break;
1432 default:
1433 return -EINVAL;
1434 }
1435
1436 snd_soc_component_update_bits(component, mute_reg, WM8995_AIF1DAC1_MUTE_MASK,
1437 !!mute << WM8995_AIF1DAC1_MUTE_SHIFT);
1438 return 0;
1439 }
1440
wm8995_set_dai_fmt(struct snd_soc_dai * dai,unsigned int fmt)1441 static int wm8995_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1442 {
1443 struct snd_soc_component *component;
1444 int master;
1445 int aif;
1446
1447 component = dai->component;
1448
1449 master = 0;
1450 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1451 case SND_SOC_DAIFMT_CBS_CFS:
1452 break;
1453 case SND_SOC_DAIFMT_CBM_CFM:
1454 master = WM8995_AIF1_MSTR;
1455 break;
1456 default:
1457 dev_err(dai->dev, "Unknown master/slave configuration\n");
1458 return -EINVAL;
1459 }
1460
1461 aif = 0;
1462 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1463 case SND_SOC_DAIFMT_DSP_B:
1464 aif |= WM8995_AIF1_LRCLK_INV;
1465 fallthrough;
1466 case SND_SOC_DAIFMT_DSP_A:
1467 aif |= (0x3 << WM8995_AIF1_FMT_SHIFT);
1468 break;
1469 case SND_SOC_DAIFMT_I2S:
1470 aif |= (0x2 << WM8995_AIF1_FMT_SHIFT);
1471 break;
1472 case SND_SOC_DAIFMT_RIGHT_J:
1473 break;
1474 case SND_SOC_DAIFMT_LEFT_J:
1475 aif |= (0x1 << WM8995_AIF1_FMT_SHIFT);
1476 break;
1477 default:
1478 dev_err(dai->dev, "Unknown dai format\n");
1479 return -EINVAL;
1480 }
1481
1482 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1483 case SND_SOC_DAIFMT_DSP_A:
1484 case SND_SOC_DAIFMT_DSP_B:
1485 /* frame inversion not valid for DSP modes */
1486 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1487 case SND_SOC_DAIFMT_NB_NF:
1488 break;
1489 case SND_SOC_DAIFMT_IB_NF:
1490 aif |= WM8995_AIF1_BCLK_INV;
1491 break;
1492 default:
1493 return -EINVAL;
1494 }
1495 break;
1496
1497 case SND_SOC_DAIFMT_I2S:
1498 case SND_SOC_DAIFMT_RIGHT_J:
1499 case SND_SOC_DAIFMT_LEFT_J:
1500 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1501 case SND_SOC_DAIFMT_NB_NF:
1502 break;
1503 case SND_SOC_DAIFMT_IB_IF:
1504 aif |= WM8995_AIF1_BCLK_INV | WM8995_AIF1_LRCLK_INV;
1505 break;
1506 case SND_SOC_DAIFMT_IB_NF:
1507 aif |= WM8995_AIF1_BCLK_INV;
1508 break;
1509 case SND_SOC_DAIFMT_NB_IF:
1510 aif |= WM8995_AIF1_LRCLK_INV;
1511 break;
1512 default:
1513 return -EINVAL;
1514 }
1515 break;
1516 default:
1517 return -EINVAL;
1518 }
1519
1520 snd_soc_component_update_bits(component, WM8995_AIF1_CONTROL_1,
1521 WM8995_AIF1_BCLK_INV_MASK |
1522 WM8995_AIF1_LRCLK_INV_MASK |
1523 WM8995_AIF1_FMT_MASK, aif);
1524 snd_soc_component_update_bits(component, WM8995_AIF1_MASTER_SLAVE,
1525 WM8995_AIF1_MSTR_MASK, master);
1526 return 0;
1527 }
1528
1529 static const int srs[] = {
1530 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100,
1531 48000, 88200, 96000
1532 };
1533
1534 static const int fs_ratios[] = {
1535 -1 /* reserved */,
1536 128, 192, 256, 384, 512, 768, 1024, 1408, 1536
1537 };
1538
1539 static const int bclk_divs[] = {
1540 10, 15, 20, 30, 40, 55, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480
1541 };
1542
wm8995_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1543 static int wm8995_hw_params(struct snd_pcm_substream *substream,
1544 struct snd_pcm_hw_params *params,
1545 struct snd_soc_dai *dai)
1546 {
1547 struct snd_soc_component *component;
1548 struct wm8995_priv *wm8995;
1549 int aif1_reg;
1550 int bclk_reg;
1551 int lrclk_reg;
1552 int rate_reg;
1553 int bclk_rate;
1554 int aif1;
1555 int lrclk, bclk;
1556 int i, rate_val, best, best_val, cur_val;
1557
1558 component = dai->component;
1559 wm8995 = snd_soc_component_get_drvdata(component);
1560
1561 switch (dai->id) {
1562 case 0:
1563 aif1_reg = WM8995_AIF1_CONTROL_1;
1564 bclk_reg = WM8995_AIF1_BCLK;
1565 rate_reg = WM8995_AIF1_RATE;
1566 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1567 wm8995->lrclk_shared[0] */) {
1568 lrclk_reg = WM8995_AIF1DAC_LRCLK;
1569 } else {
1570 lrclk_reg = WM8995_AIF1ADC_LRCLK;
1571 dev_dbg(component->dev, "AIF1 using split LRCLK\n");
1572 }
1573 break;
1574 case 1:
1575 aif1_reg = WM8995_AIF2_CONTROL_1;
1576 bclk_reg = WM8995_AIF2_BCLK;
1577 rate_reg = WM8995_AIF2_RATE;
1578 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1579 wm8995->lrclk_shared[1] */) {
1580 lrclk_reg = WM8995_AIF2DAC_LRCLK;
1581 } else {
1582 lrclk_reg = WM8995_AIF2ADC_LRCLK;
1583 dev_dbg(component->dev, "AIF2 using split LRCLK\n");
1584 }
1585 break;
1586 default:
1587 return -EINVAL;
1588 }
1589
1590 bclk_rate = snd_soc_params_to_bclk(params);
1591 if (bclk_rate < 0)
1592 return bclk_rate;
1593
1594 aif1 = 0;
1595 switch (params_width(params)) {
1596 case 16:
1597 break;
1598 case 20:
1599 aif1 |= (0x1 << WM8995_AIF1_WL_SHIFT);
1600 break;
1601 case 24:
1602 aif1 |= (0x2 << WM8995_AIF1_WL_SHIFT);
1603 break;
1604 case 32:
1605 aif1 |= (0x3 << WM8995_AIF1_WL_SHIFT);
1606 break;
1607 default:
1608 dev_err(dai->dev, "Unsupported word length %u\n",
1609 params_width(params));
1610 return -EINVAL;
1611 }
1612
1613 /* try to find a suitable sample rate */
1614 for (i = 0; i < ARRAY_SIZE(srs); ++i)
1615 if (srs[i] == params_rate(params))
1616 break;
1617 if (i == ARRAY_SIZE(srs)) {
1618 dev_err(dai->dev, "Sample rate %d is not supported\n",
1619 params_rate(params));
1620 return -EINVAL;
1621 }
1622 rate_val = i << WM8995_AIF1_SR_SHIFT;
1623
1624 dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i]);
1625 dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
1626 dai->id + 1, wm8995->aifclk[dai->id], bclk_rate);
1627
1628 /* AIFCLK/fs ratio; look for a close match in either direction */
1629 best = 1;
1630 best_val = abs((fs_ratios[1] * params_rate(params))
1631 - wm8995->aifclk[dai->id]);
1632 for (i = 2; i < ARRAY_SIZE(fs_ratios); i++) {
1633 cur_val = abs((fs_ratios[i] * params_rate(params))
1634 - wm8995->aifclk[dai->id]);
1635 if (cur_val >= best_val)
1636 continue;
1637 best = i;
1638 best_val = cur_val;
1639 }
1640 rate_val |= best;
1641
1642 dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
1643 dai->id + 1, fs_ratios[best]);
1644
1645 /*
1646 * We may not get quite the right frequency if using
1647 * approximate clocks so look for the closest match that is
1648 * higher than the target (we need to ensure that there enough
1649 * BCLKs to clock out the samples).
1650 */
1651 best = 0;
1652 bclk = 0;
1653 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1654 cur_val = (wm8995->aifclk[dai->id] * 10 / bclk_divs[i]) - bclk_rate;
1655 if (cur_val < 0) /* BCLK table is sorted */
1656 break;
1657 best = i;
1658 }
1659 bclk |= best << WM8995_AIF1_BCLK_DIV_SHIFT;
1660
1661 bclk_rate = wm8995->aifclk[dai->id] * 10 / bclk_divs[best];
1662 dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1663 bclk_divs[best], bclk_rate);
1664
1665 lrclk = bclk_rate / params_rate(params);
1666 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1667 lrclk, bclk_rate / lrclk);
1668
1669 snd_soc_component_update_bits(component, aif1_reg,
1670 WM8995_AIF1_WL_MASK, aif1);
1671 snd_soc_component_update_bits(component, bclk_reg,
1672 WM8995_AIF1_BCLK_DIV_MASK, bclk);
1673 snd_soc_component_update_bits(component, lrclk_reg,
1674 WM8995_AIF1DAC_RATE_MASK, lrclk);
1675 snd_soc_component_update_bits(component, rate_reg,
1676 WM8995_AIF1_SR_MASK |
1677 WM8995_AIF1CLK_RATE_MASK, rate_val);
1678 return 0;
1679 }
1680
wm8995_set_tristate(struct snd_soc_dai * codec_dai,int tristate)1681 static int wm8995_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
1682 {
1683 struct snd_soc_component *component = codec_dai->component;
1684 int reg, val, mask;
1685
1686 switch (codec_dai->id) {
1687 case 0:
1688 reg = WM8995_AIF1_MASTER_SLAVE;
1689 mask = WM8995_AIF1_TRI;
1690 break;
1691 case 1:
1692 reg = WM8995_AIF2_MASTER_SLAVE;
1693 mask = WM8995_AIF2_TRI;
1694 break;
1695 case 2:
1696 reg = WM8995_POWER_MANAGEMENT_5;
1697 mask = WM8995_AIF3_TRI;
1698 break;
1699 default:
1700 return -EINVAL;
1701 }
1702
1703 if (tristate)
1704 val = mask;
1705 else
1706 val = 0;
1707
1708 return snd_soc_component_update_bits(component, reg, mask, val);
1709 }
1710
1711 /* The size in bits of the FLL divide multiplied by 10
1712 * to allow rounding later */
1713 #define FIXED_FLL_SIZE ((1 << 16) * 10)
1714
1715 struct fll_div {
1716 u16 outdiv;
1717 u16 n;
1718 u16 k;
1719 u16 clk_ref_div;
1720 u16 fll_fratio;
1721 };
1722
wm8995_get_fll_config(struct fll_div * fll,int freq_in,int freq_out)1723 static int wm8995_get_fll_config(struct fll_div *fll,
1724 int freq_in, int freq_out)
1725 {
1726 u64 Kpart;
1727 unsigned int K, Ndiv, Nmod;
1728
1729 pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
1730
1731 /* Scale the input frequency down to <= 13.5MHz */
1732 fll->clk_ref_div = 0;
1733 while (freq_in > 13500000) {
1734 fll->clk_ref_div++;
1735 freq_in /= 2;
1736
1737 if (fll->clk_ref_div > 3)
1738 return -EINVAL;
1739 }
1740 pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
1741
1742 /* Scale the output to give 90MHz<=Fvco<=100MHz */
1743 fll->outdiv = 3;
1744 while (freq_out * (fll->outdiv + 1) < 90000000) {
1745 fll->outdiv++;
1746 if (fll->outdiv > 63)
1747 return -EINVAL;
1748 }
1749 freq_out *= fll->outdiv + 1;
1750 pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
1751
1752 if (freq_in > 1000000) {
1753 fll->fll_fratio = 0;
1754 } else if (freq_in > 256000) {
1755 fll->fll_fratio = 1;
1756 freq_in *= 2;
1757 } else if (freq_in > 128000) {
1758 fll->fll_fratio = 2;
1759 freq_in *= 4;
1760 } else if (freq_in > 64000) {
1761 fll->fll_fratio = 3;
1762 freq_in *= 8;
1763 } else {
1764 fll->fll_fratio = 4;
1765 freq_in *= 16;
1766 }
1767 pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
1768
1769 /* Now, calculate N.K */
1770 Ndiv = freq_out / freq_in;
1771
1772 fll->n = Ndiv;
1773 Nmod = freq_out % freq_in;
1774 pr_debug("Nmod=%d\n", Nmod);
1775
1776 /* Calculate fractional part - scale up so we can round. */
1777 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1778
1779 do_div(Kpart, freq_in);
1780
1781 K = Kpart & 0xFFFFFFFF;
1782
1783 if ((K % 10) >= 5)
1784 K += 5;
1785
1786 /* Move down to proper range now rounding is done */
1787 fll->k = K / 10;
1788
1789 pr_debug("N=%x K=%x\n", fll->n, fll->k);
1790
1791 return 0;
1792 }
1793
wm8995_set_fll(struct snd_soc_dai * dai,int id,int src,unsigned int freq_in,unsigned int freq_out)1794 static int wm8995_set_fll(struct snd_soc_dai *dai, int id,
1795 int src, unsigned int freq_in,
1796 unsigned int freq_out)
1797 {
1798 struct snd_soc_component *component;
1799 struct wm8995_priv *wm8995;
1800 int reg_offset, ret;
1801 struct fll_div fll;
1802 u16 reg, aif1, aif2;
1803
1804 component = dai->component;
1805 wm8995 = snd_soc_component_get_drvdata(component);
1806
1807 aif1 = snd_soc_component_read(component, WM8995_AIF1_CLOCKING_1)
1808 & WM8995_AIF1CLK_ENA;
1809
1810 aif2 = snd_soc_component_read(component, WM8995_AIF2_CLOCKING_1)
1811 & WM8995_AIF2CLK_ENA;
1812
1813 switch (id) {
1814 case WM8995_FLL1:
1815 reg_offset = 0;
1816 id = 0;
1817 break;
1818 case WM8995_FLL2:
1819 reg_offset = 0x20;
1820 id = 1;
1821 break;
1822 default:
1823 return -EINVAL;
1824 }
1825
1826 switch (src) {
1827 case 0:
1828 /* Allow no source specification when stopping */
1829 if (freq_out)
1830 return -EINVAL;
1831 break;
1832 case WM8995_FLL_SRC_MCLK1:
1833 case WM8995_FLL_SRC_MCLK2:
1834 case WM8995_FLL_SRC_LRCLK:
1835 case WM8995_FLL_SRC_BCLK:
1836 break;
1837 default:
1838 return -EINVAL;
1839 }
1840
1841 /* Are we changing anything? */
1842 if (wm8995->fll[id].src == src &&
1843 wm8995->fll[id].in == freq_in && wm8995->fll[id].out == freq_out)
1844 return 0;
1845
1846 /* If we're stopping the FLL redo the old config - no
1847 * registers will actually be written but we avoid GCC flow
1848 * analysis bugs spewing warnings.
1849 */
1850 if (freq_out)
1851 ret = wm8995_get_fll_config(&fll, freq_in, freq_out);
1852 else
1853 ret = wm8995_get_fll_config(&fll, wm8995->fll[id].in,
1854 wm8995->fll[id].out);
1855 if (ret < 0)
1856 return ret;
1857
1858 /* Gate the AIF clocks while we reclock */
1859 snd_soc_component_update_bits(component, WM8995_AIF1_CLOCKING_1,
1860 WM8995_AIF1CLK_ENA_MASK, 0);
1861 snd_soc_component_update_bits(component, WM8995_AIF2_CLOCKING_1,
1862 WM8995_AIF2CLK_ENA_MASK, 0);
1863
1864 /* We always need to disable the FLL while reconfiguring */
1865 snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_1 + reg_offset,
1866 WM8995_FLL1_ENA_MASK, 0);
1867
1868 reg = (fll.outdiv << WM8995_FLL1_OUTDIV_SHIFT) |
1869 (fll.fll_fratio << WM8995_FLL1_FRATIO_SHIFT);
1870 snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_2 + reg_offset,
1871 WM8995_FLL1_OUTDIV_MASK |
1872 WM8995_FLL1_FRATIO_MASK, reg);
1873
1874 snd_soc_component_write(component, WM8995_FLL1_CONTROL_3 + reg_offset, fll.k);
1875
1876 snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_4 + reg_offset,
1877 WM8995_FLL1_N_MASK,
1878 fll.n << WM8995_FLL1_N_SHIFT);
1879
1880 snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_5 + reg_offset,
1881 WM8995_FLL1_REFCLK_DIV_MASK |
1882 WM8995_FLL1_REFCLK_SRC_MASK,
1883 (fll.clk_ref_div << WM8995_FLL1_REFCLK_DIV_SHIFT) |
1884 (src - 1));
1885
1886 if (freq_out)
1887 snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_1 + reg_offset,
1888 WM8995_FLL1_ENA_MASK, WM8995_FLL1_ENA);
1889
1890 wm8995->fll[id].in = freq_in;
1891 wm8995->fll[id].out = freq_out;
1892 wm8995->fll[id].src = src;
1893
1894 /* Enable any gated AIF clocks */
1895 snd_soc_component_update_bits(component, WM8995_AIF1_CLOCKING_1,
1896 WM8995_AIF1CLK_ENA_MASK, aif1);
1897 snd_soc_component_update_bits(component, WM8995_AIF2_CLOCKING_1,
1898 WM8995_AIF2CLK_ENA_MASK, aif2);
1899
1900 configure_clock(component);
1901
1902 return 0;
1903 }
1904
wm8995_set_dai_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)1905 static int wm8995_set_dai_sysclk(struct snd_soc_dai *dai,
1906 int clk_id, unsigned int freq, int dir)
1907 {
1908 struct snd_soc_component *component;
1909 struct wm8995_priv *wm8995;
1910
1911 component = dai->component;
1912 wm8995 = snd_soc_component_get_drvdata(component);
1913
1914 switch (dai->id) {
1915 case 0:
1916 case 1:
1917 break;
1918 default:
1919 /* AIF3 shares clocking with AIF1/2 */
1920 return -EINVAL;
1921 }
1922
1923 switch (clk_id) {
1924 case WM8995_SYSCLK_MCLK1:
1925 wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
1926 wm8995->mclk[0] = freq;
1927 dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
1928 dai->id + 1, freq);
1929 break;
1930 case WM8995_SYSCLK_MCLK2:
1931 wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK2;
1932 wm8995->mclk[1] = freq;
1933 dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
1934 dai->id + 1, freq);
1935 break;
1936 case WM8995_SYSCLK_FLL1:
1937 wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL1;
1938 dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id + 1);
1939 break;
1940 case WM8995_SYSCLK_FLL2:
1941 wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL2;
1942 dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id + 1);
1943 break;
1944 case WM8995_SYSCLK_OPCLK:
1945 default:
1946 dev_err(dai->dev, "Unknown clock source %d\n", clk_id);
1947 return -EINVAL;
1948 }
1949
1950 configure_clock(component);
1951
1952 return 0;
1953 }
1954
wm8995_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)1955 static int wm8995_set_bias_level(struct snd_soc_component *component,
1956 enum snd_soc_bias_level level)
1957 {
1958 struct wm8995_priv *wm8995;
1959 int ret;
1960
1961 wm8995 = snd_soc_component_get_drvdata(component);
1962 switch (level) {
1963 case SND_SOC_BIAS_ON:
1964 case SND_SOC_BIAS_PREPARE:
1965 break;
1966 case SND_SOC_BIAS_STANDBY:
1967 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1968 ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
1969 wm8995->supplies);
1970 if (ret)
1971 return ret;
1972
1973 ret = regcache_sync(wm8995->regmap);
1974 if (ret) {
1975 dev_err(component->dev,
1976 "Failed to sync cache: %d\n", ret);
1977 return ret;
1978 }
1979
1980 snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1,
1981 WM8995_BG_ENA_MASK, WM8995_BG_ENA);
1982 }
1983 break;
1984 case SND_SOC_BIAS_OFF:
1985 snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1,
1986 WM8995_BG_ENA_MASK, 0);
1987 regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies),
1988 wm8995->supplies);
1989 break;
1990 }
1991
1992 return 0;
1993 }
1994
wm8995_probe(struct snd_soc_component * component)1995 static int wm8995_probe(struct snd_soc_component *component)
1996 {
1997 struct wm8995_priv *wm8995;
1998 int i;
1999 int ret;
2000
2001 wm8995 = snd_soc_component_get_drvdata(component);
2002 wm8995->component = component;
2003
2004 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++)
2005 wm8995->supplies[i].supply = wm8995_supply_names[i];
2006
2007 ret = devm_regulator_bulk_get(component->dev,
2008 ARRAY_SIZE(wm8995->supplies),
2009 wm8995->supplies);
2010 if (ret) {
2011 dev_err(component->dev, "Failed to request supplies: %d\n", ret);
2012 return ret;
2013 }
2014
2015 wm8995->disable_nb[0].notifier_call = wm8995_regulator_event_0;
2016 wm8995->disable_nb[1].notifier_call = wm8995_regulator_event_1;
2017 wm8995->disable_nb[2].notifier_call = wm8995_regulator_event_2;
2018 wm8995->disable_nb[3].notifier_call = wm8995_regulator_event_3;
2019 wm8995->disable_nb[4].notifier_call = wm8995_regulator_event_4;
2020 wm8995->disable_nb[5].notifier_call = wm8995_regulator_event_5;
2021 wm8995->disable_nb[6].notifier_call = wm8995_regulator_event_6;
2022 wm8995->disable_nb[7].notifier_call = wm8995_regulator_event_7;
2023
2024 /* This should really be moved into the regulator core */
2025 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++) {
2026 ret = devm_regulator_register_notifier(
2027 wm8995->supplies[i].consumer,
2028 &wm8995->disable_nb[i]);
2029 if (ret) {
2030 dev_err(component->dev,
2031 "Failed to register regulator notifier: %d\n",
2032 ret);
2033 }
2034 }
2035
2036 ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
2037 wm8995->supplies);
2038 if (ret) {
2039 dev_err(component->dev, "Failed to enable supplies: %d\n", ret);
2040 return ret;
2041 }
2042
2043 ret = snd_soc_component_read(component, WM8995_SOFTWARE_RESET);
2044 if (ret < 0) {
2045 dev_err(component->dev, "Failed to read device ID: %d\n", ret);
2046 goto err_reg_enable;
2047 }
2048
2049 if (ret != 0x8995) {
2050 dev_err(component->dev, "Invalid device ID: %#x\n", ret);
2051 ret = -EINVAL;
2052 goto err_reg_enable;
2053 }
2054
2055 ret = snd_soc_component_write(component, WM8995_SOFTWARE_RESET, 0);
2056 if (ret < 0) {
2057 dev_err(component->dev, "Failed to issue reset: %d\n", ret);
2058 goto err_reg_enable;
2059 }
2060
2061 /* Latch volume updates (right only; we always do left then right). */
2062 snd_soc_component_update_bits(component, WM8995_AIF1_DAC1_RIGHT_VOLUME,
2063 WM8995_AIF1DAC1_VU_MASK, WM8995_AIF1DAC1_VU);
2064 snd_soc_component_update_bits(component, WM8995_AIF1_DAC2_RIGHT_VOLUME,
2065 WM8995_AIF1DAC2_VU_MASK, WM8995_AIF1DAC2_VU);
2066 snd_soc_component_update_bits(component, WM8995_AIF2_DAC_RIGHT_VOLUME,
2067 WM8995_AIF2DAC_VU_MASK, WM8995_AIF2DAC_VU);
2068 snd_soc_component_update_bits(component, WM8995_AIF1_ADC1_RIGHT_VOLUME,
2069 WM8995_AIF1ADC1_VU_MASK, WM8995_AIF1ADC1_VU);
2070 snd_soc_component_update_bits(component, WM8995_AIF1_ADC2_RIGHT_VOLUME,
2071 WM8995_AIF1ADC2_VU_MASK, WM8995_AIF1ADC2_VU);
2072 snd_soc_component_update_bits(component, WM8995_AIF2_ADC_RIGHT_VOLUME,
2073 WM8995_AIF2ADC_VU_MASK, WM8995_AIF1ADC2_VU);
2074 snd_soc_component_update_bits(component, WM8995_DAC1_RIGHT_VOLUME,
2075 WM8995_DAC1_VU_MASK, WM8995_DAC1_VU);
2076 snd_soc_component_update_bits(component, WM8995_DAC2_RIGHT_VOLUME,
2077 WM8995_DAC2_VU_MASK, WM8995_DAC2_VU);
2078 snd_soc_component_update_bits(component, WM8995_RIGHT_LINE_INPUT_1_VOLUME,
2079 WM8995_IN1_VU_MASK, WM8995_IN1_VU);
2080
2081 wm8995_update_class_w(component);
2082
2083 return 0;
2084
2085 err_reg_enable:
2086 regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
2087 return ret;
2088 }
2089
2090 #define WM8995_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
2091 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
2092
2093 static const struct snd_soc_dai_ops wm8995_aif1_dai_ops = {
2094 .set_sysclk = wm8995_set_dai_sysclk,
2095 .set_fmt = wm8995_set_dai_fmt,
2096 .hw_params = wm8995_hw_params,
2097 .mute_stream = wm8995_aif_mute,
2098 .set_pll = wm8995_set_fll,
2099 .set_tristate = wm8995_set_tristate,
2100 .no_capture_mute = 1,
2101 };
2102
2103 static const struct snd_soc_dai_ops wm8995_aif2_dai_ops = {
2104 .set_sysclk = wm8995_set_dai_sysclk,
2105 .set_fmt = wm8995_set_dai_fmt,
2106 .hw_params = wm8995_hw_params,
2107 .mute_stream = wm8995_aif_mute,
2108 .set_pll = wm8995_set_fll,
2109 .set_tristate = wm8995_set_tristate,
2110 .no_capture_mute = 1,
2111 };
2112
2113 static const struct snd_soc_dai_ops wm8995_aif3_dai_ops = {
2114 .set_tristate = wm8995_set_tristate,
2115 };
2116
2117 static struct snd_soc_dai_driver wm8995_dai[] = {
2118 {
2119 .name = "wm8995-aif1",
2120 .playback = {
2121 .stream_name = "AIF1 Playback",
2122 .channels_min = 2,
2123 .channels_max = 2,
2124 .rates = SNDRV_PCM_RATE_8000_96000,
2125 .formats = WM8995_FORMATS
2126 },
2127 .capture = {
2128 .stream_name = "AIF1 Capture",
2129 .channels_min = 2,
2130 .channels_max = 2,
2131 .rates = SNDRV_PCM_RATE_8000_48000,
2132 .formats = WM8995_FORMATS
2133 },
2134 .ops = &wm8995_aif1_dai_ops
2135 },
2136 {
2137 .name = "wm8995-aif2",
2138 .playback = {
2139 .stream_name = "AIF2 Playback",
2140 .channels_min = 2,
2141 .channels_max = 2,
2142 .rates = SNDRV_PCM_RATE_8000_96000,
2143 .formats = WM8995_FORMATS
2144 },
2145 .capture = {
2146 .stream_name = "AIF2 Capture",
2147 .channels_min = 2,
2148 .channels_max = 2,
2149 .rates = SNDRV_PCM_RATE_8000_48000,
2150 .formats = WM8995_FORMATS
2151 },
2152 .ops = &wm8995_aif2_dai_ops
2153 },
2154 {
2155 .name = "wm8995-aif3",
2156 .playback = {
2157 .stream_name = "AIF3 Playback",
2158 .channels_min = 2,
2159 .channels_max = 2,
2160 .rates = SNDRV_PCM_RATE_8000_96000,
2161 .formats = WM8995_FORMATS
2162 },
2163 .capture = {
2164 .stream_name = "AIF3 Capture",
2165 .channels_min = 2,
2166 .channels_max = 2,
2167 .rates = SNDRV_PCM_RATE_8000_48000,
2168 .formats = WM8995_FORMATS
2169 },
2170 .ops = &wm8995_aif3_dai_ops
2171 }
2172 };
2173
2174 static const struct snd_soc_component_driver soc_component_dev_wm8995 = {
2175 .probe = wm8995_probe,
2176 .set_bias_level = wm8995_set_bias_level,
2177 .controls = wm8995_snd_controls,
2178 .num_controls = ARRAY_SIZE(wm8995_snd_controls),
2179 .dapm_widgets = wm8995_dapm_widgets,
2180 .num_dapm_widgets = ARRAY_SIZE(wm8995_dapm_widgets),
2181 .dapm_routes = wm8995_intercon,
2182 .num_dapm_routes = ARRAY_SIZE(wm8995_intercon),
2183 .use_pmdown_time = 1,
2184 .endianness = 1,
2185 .non_legacy_dai_naming = 1,
2186 };
2187
2188 static const struct regmap_config wm8995_regmap = {
2189 .reg_bits = 16,
2190 .val_bits = 16,
2191
2192 .max_register = WM8995_MAX_REGISTER,
2193 .reg_defaults = wm8995_reg_defaults,
2194 .num_reg_defaults = ARRAY_SIZE(wm8995_reg_defaults),
2195 .volatile_reg = wm8995_volatile,
2196 .readable_reg = wm8995_readable,
2197 .cache_type = REGCACHE_RBTREE,
2198 };
2199
2200 #if defined(CONFIG_SPI_MASTER)
wm8995_spi_probe(struct spi_device * spi)2201 static int wm8995_spi_probe(struct spi_device *spi)
2202 {
2203 struct wm8995_priv *wm8995;
2204 int ret;
2205
2206 wm8995 = devm_kzalloc(&spi->dev, sizeof(*wm8995), GFP_KERNEL);
2207 if (!wm8995)
2208 return -ENOMEM;
2209
2210 spi_set_drvdata(spi, wm8995);
2211
2212 wm8995->regmap = devm_regmap_init_spi(spi, &wm8995_regmap);
2213 if (IS_ERR(wm8995->regmap)) {
2214 ret = PTR_ERR(wm8995->regmap);
2215 dev_err(&spi->dev, "Failed to register regmap: %d\n", ret);
2216 return ret;
2217 }
2218
2219 ret = devm_snd_soc_register_component(&spi->dev,
2220 &soc_component_dev_wm8995, wm8995_dai,
2221 ARRAY_SIZE(wm8995_dai));
2222 return ret;
2223 }
2224
2225 static struct spi_driver wm8995_spi_driver = {
2226 .driver = {
2227 .name = "wm8995",
2228 },
2229 .probe = wm8995_spi_probe,
2230 };
2231 #endif
2232
2233 #if IS_ENABLED(CONFIG_I2C)
wm8995_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)2234 static int wm8995_i2c_probe(struct i2c_client *i2c,
2235 const struct i2c_device_id *id)
2236 {
2237 struct wm8995_priv *wm8995;
2238 int ret;
2239
2240 wm8995 = devm_kzalloc(&i2c->dev, sizeof(*wm8995), GFP_KERNEL);
2241 if (!wm8995)
2242 return -ENOMEM;
2243
2244 i2c_set_clientdata(i2c, wm8995);
2245
2246 wm8995->regmap = devm_regmap_init_i2c(i2c, &wm8995_regmap);
2247 if (IS_ERR(wm8995->regmap)) {
2248 ret = PTR_ERR(wm8995->regmap);
2249 dev_err(&i2c->dev, "Failed to register regmap: %d\n", ret);
2250 return ret;
2251 }
2252
2253 ret = devm_snd_soc_register_component(&i2c->dev,
2254 &soc_component_dev_wm8995, wm8995_dai,
2255 ARRAY_SIZE(wm8995_dai));
2256 if (ret < 0)
2257 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
2258
2259 return ret;
2260 }
2261
2262 static const struct i2c_device_id wm8995_i2c_id[] = {
2263 {"wm8995", 0},
2264 {}
2265 };
2266
2267 MODULE_DEVICE_TABLE(i2c, wm8995_i2c_id);
2268
2269 static struct i2c_driver wm8995_i2c_driver = {
2270 .driver = {
2271 .name = "wm8995",
2272 },
2273 .probe = wm8995_i2c_probe,
2274 .id_table = wm8995_i2c_id
2275 };
2276 #endif
2277
wm8995_modinit(void)2278 static int __init wm8995_modinit(void)
2279 {
2280 int ret = 0;
2281
2282 #if IS_ENABLED(CONFIG_I2C)
2283 ret = i2c_add_driver(&wm8995_i2c_driver);
2284 if (ret) {
2285 printk(KERN_ERR "Failed to register wm8995 I2C driver: %d\n",
2286 ret);
2287 }
2288 #endif
2289 #if defined(CONFIG_SPI_MASTER)
2290 ret = spi_register_driver(&wm8995_spi_driver);
2291 if (ret) {
2292 printk(KERN_ERR "Failed to register wm8995 SPI driver: %d\n",
2293 ret);
2294 }
2295 #endif
2296 return ret;
2297 }
2298
2299 module_init(wm8995_modinit);
2300
wm8995_exit(void)2301 static void __exit wm8995_exit(void)
2302 {
2303 #if IS_ENABLED(CONFIG_I2C)
2304 i2c_del_driver(&wm8995_i2c_driver);
2305 #endif
2306 #if defined(CONFIG_SPI_MASTER)
2307 spi_unregister_driver(&wm8995_spi_driver);
2308 #endif
2309 }
2310
2311 module_exit(wm8995_exit);
2312
2313 MODULE_DESCRIPTION("ASoC WM8995 driver");
2314 MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
2315 MODULE_LICENSE("GPL");
2316
