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23#include <linux/module.h>
24#include <linux/errno.h>
25#include <linux/device.h>
26#include <linux/i2c.h>
27#include <linux/delay.h>
28#include <linux/regmap.h>
29#include <linux/slab.h>
30#include <sound/initval.h>
31#include <sound/soc.h>
32#include <sound/tlv.h>
33#include <sound/wm9090.h>
34
35#include "wm9090.h"
36
37static const struct reg_default wm9090_reg_defaults[] = {
38 { 1, 0x0006 },
39 { 2, 0x6000 },
40 { 3, 0x0000 },
41 { 6, 0x01C0 },
42 { 22, 0x0003 },
43 { 23, 0x0003 },
44 { 24, 0x0083 },
45 { 25, 0x0083 },
46 { 26, 0x0083 },
47 { 27, 0x0083 },
48 { 28, 0x002D },
49 { 29, 0x002D },
50 { 34, 0x0100 },
51 { 35, 0x0010 },
52 { 37, 0x0140 },
53 { 38, 0x0039 },
54 { 45, 0x0000 },
55 { 46, 0x0000 },
56 { 47, 0x0100 },
57 { 48, 0x0100 },
58 { 54, 0x0000 },
59 { 57, 0x000D },
60 { 70, 0x0000 },
61 { 71, 0x0000 },
62 { 72, 0x0000 },
63 { 73, 0x0000 },
64 { 74, 0x0000 },
65 { 75, 0x0000 },
66 { 76, 0x1F25 },
67 { 85, 0x054A },
68 { 87, 0x0000 },
69 { 96, 0x0100 },
70 { 98, 0x8640 },
71 { 99, 0xC000 },
72 { 100, 0x0200 },
73};
74
75
76struct wm9090_priv {
77 struct wm9090_platform_data pdata;
78 struct regmap *regmap;
79};
80
81static bool wm9090_volatile(struct device *dev, unsigned int reg)
82{
83 switch (reg) {
84 case WM9090_SOFTWARE_RESET:
85 case WM9090_DC_SERVO_0:
86 case WM9090_DC_SERVO_READBACK_0:
87 case WM9090_DC_SERVO_READBACK_1:
88 case WM9090_DC_SERVO_READBACK_2:
89 return true;
90
91 default:
92 return false;
93 }
94}
95
96static bool wm9090_readable(struct device *dev, unsigned int reg)
97{
98 switch (reg) {
99 case WM9090_SOFTWARE_RESET:
100 case WM9090_POWER_MANAGEMENT_1:
101 case WM9090_POWER_MANAGEMENT_2:
102 case WM9090_POWER_MANAGEMENT_3:
103 case WM9090_CLOCKING_1:
104 case WM9090_IN1_LINE_CONTROL:
105 case WM9090_IN2_LINE_CONTROL:
106 case WM9090_IN1_LINE_INPUT_A_VOLUME:
107 case WM9090_IN1_LINE_INPUT_B_VOLUME:
108 case WM9090_IN2_LINE_INPUT_A_VOLUME:
109 case WM9090_IN2_LINE_INPUT_B_VOLUME:
110 case WM9090_LEFT_OUTPUT_VOLUME:
111 case WM9090_RIGHT_OUTPUT_VOLUME:
112 case WM9090_SPKMIXL_ATTENUATION:
113 case WM9090_SPKOUT_MIXERS:
114 case WM9090_CLASSD3:
115 case WM9090_SPEAKER_VOLUME_LEFT:
116 case WM9090_OUTPUT_MIXER1:
117 case WM9090_OUTPUT_MIXER2:
118 case WM9090_OUTPUT_MIXER3:
119 case WM9090_OUTPUT_MIXER4:
120 case WM9090_SPEAKER_MIXER:
121 case WM9090_ANTIPOP2:
122 case WM9090_WRITE_SEQUENCER_0:
123 case WM9090_WRITE_SEQUENCER_1:
124 case WM9090_WRITE_SEQUENCER_2:
125 case WM9090_WRITE_SEQUENCER_3:
126 case WM9090_WRITE_SEQUENCER_4:
127 case WM9090_WRITE_SEQUENCER_5:
128 case WM9090_CHARGE_PUMP_1:
129 case WM9090_DC_SERVO_0:
130 case WM9090_DC_SERVO_1:
131 case WM9090_DC_SERVO_3:
132 case WM9090_DC_SERVO_READBACK_0:
133 case WM9090_DC_SERVO_READBACK_1:
134 case WM9090_DC_SERVO_READBACK_2:
135 case WM9090_ANALOGUE_HP_0:
136 case WM9090_AGC_CONTROL_0:
137 case WM9090_AGC_CONTROL_1:
138 case WM9090_AGC_CONTROL_2:
139 return true;
140
141 default:
142 return false;
143 }
144}
145
146static void wait_for_dc_servo(struct snd_soc_codec *codec)
147{
148 unsigned int reg;
149 int count = 0;
150
151 dev_dbg(codec->dev, "Waiting for DC servo...\n");
152 do {
153 count++;
154 msleep(1);
155 reg = snd_soc_read(codec, WM9090_DC_SERVO_READBACK_0);
156 dev_dbg(codec->dev, "DC servo status: %x\n", reg);
157 } while ((reg & WM9090_DCS_CAL_COMPLETE_MASK)
158 != WM9090_DCS_CAL_COMPLETE_MASK && count < 1000);
159
160 if ((reg & WM9090_DCS_CAL_COMPLETE_MASK)
161 != WM9090_DCS_CAL_COMPLETE_MASK)
162 dev_err(codec->dev, "Timed out waiting for DC Servo\n");
163}
164
165static const DECLARE_TLV_DB_RANGE(in_tlv,
166 0, 0, TLV_DB_SCALE_ITEM(-600, 0, 0),
167 1, 3, TLV_DB_SCALE_ITEM(-350, 350, 0),
168 4, 6, TLV_DB_SCALE_ITEM(600, 600, 0)
169);
170static const DECLARE_TLV_DB_RANGE(mix_tlv,
171 0, 2, TLV_DB_SCALE_ITEM(-1200, 300, 0),
172 3, 3, TLV_DB_SCALE_ITEM(0, 0, 0)
173);
174static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
175static const DECLARE_TLV_DB_RANGE(spkboost_tlv,
176 0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
177 7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0)
178);
179
180static const struct snd_kcontrol_new wm9090_controls[] = {
181SOC_SINGLE_TLV("IN1A Volume", WM9090_IN1_LINE_INPUT_A_VOLUME, 0, 6, 0,
182 in_tlv),
183SOC_SINGLE("IN1A Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 7, 1, 1),
184SOC_SINGLE("IN1A ZC Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 6, 1, 0),
185
186SOC_SINGLE_TLV("IN2A Volume", WM9090_IN2_LINE_INPUT_A_VOLUME, 0, 6, 0,
187 in_tlv),
188SOC_SINGLE("IN2A Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 7, 1, 1),
189SOC_SINGLE("IN2A ZC Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 6, 1, 0),
190
191SOC_SINGLE("MIXOUTL Switch", WM9090_OUTPUT_MIXER3, 8, 1, 1),
192SOC_SINGLE_TLV("MIXOUTL IN1A Volume", WM9090_OUTPUT_MIXER3, 6, 3, 1,
193 mix_tlv),
194SOC_SINGLE_TLV("MIXOUTL IN2A Volume", WM9090_OUTPUT_MIXER3, 2, 3, 1,
195 mix_tlv),
196
197SOC_SINGLE("MIXOUTR Switch", WM9090_OUTPUT_MIXER4, 8, 1, 1),
198SOC_SINGLE_TLV("MIXOUTR IN1A Volume", WM9090_OUTPUT_MIXER4, 6, 3, 1,
199 mix_tlv),
200SOC_SINGLE_TLV("MIXOUTR IN2A Volume", WM9090_OUTPUT_MIXER4, 2, 3, 1,
201 mix_tlv),
202
203SOC_SINGLE("SPKMIX Switch", WM9090_SPKMIXL_ATTENUATION, 8, 1, 1),
204SOC_SINGLE_TLV("SPKMIX IN1A Volume", WM9090_SPKMIXL_ATTENUATION, 6, 3, 1,
205 mix_tlv),
206SOC_SINGLE_TLV("SPKMIX IN2A Volume", WM9090_SPKMIXL_ATTENUATION, 2, 3, 1,
207 mix_tlv),
208
209SOC_DOUBLE_R_TLV("Headphone Volume", WM9090_LEFT_OUTPUT_VOLUME,
210 WM9090_RIGHT_OUTPUT_VOLUME, 0, 63, 0, out_tlv),
211SOC_DOUBLE_R("Headphone Switch", WM9090_LEFT_OUTPUT_VOLUME,
212 WM9090_RIGHT_OUTPUT_VOLUME, 6, 1, 1),
213SOC_DOUBLE_R("Headphone ZC Switch", WM9090_LEFT_OUTPUT_VOLUME,
214 WM9090_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
215
216SOC_SINGLE_TLV("Speaker Volume", WM9090_SPEAKER_VOLUME_LEFT, 0, 63, 0,
217 out_tlv),
218SOC_SINGLE("Speaker Switch", WM9090_SPEAKER_VOLUME_LEFT, 6, 1, 1),
219SOC_SINGLE("Speaker ZC Switch", WM9090_SPEAKER_VOLUME_LEFT, 7, 1, 0),
220SOC_SINGLE_TLV("Speaker Boost Volume", WM9090_CLASSD3, 3, 7, 0, spkboost_tlv),
221};
222
223static const struct snd_kcontrol_new wm9090_in1_se_controls[] = {
224SOC_SINGLE_TLV("IN1B Volume", WM9090_IN1_LINE_INPUT_B_VOLUME, 0, 6, 0,
225 in_tlv),
226SOC_SINGLE("IN1B Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 7, 1, 1),
227SOC_SINGLE("IN1B ZC Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 6, 1, 0),
228
229SOC_SINGLE_TLV("SPKMIX IN1B Volume", WM9090_SPKMIXL_ATTENUATION, 4, 3, 1,
230 mix_tlv),
231SOC_SINGLE_TLV("MIXOUTL IN1B Volume", WM9090_OUTPUT_MIXER3, 4, 3, 1,
232 mix_tlv),
233SOC_SINGLE_TLV("MIXOUTR IN1B Volume", WM9090_OUTPUT_MIXER4, 4, 3, 1,
234 mix_tlv),
235};
236
237static const struct snd_kcontrol_new wm9090_in2_se_controls[] = {
238SOC_SINGLE_TLV("IN2B Volume", WM9090_IN2_LINE_INPUT_B_VOLUME, 0, 6, 0,
239 in_tlv),
240SOC_SINGLE("IN2B Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 7, 1, 1),
241SOC_SINGLE("IN2B ZC Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 6, 1, 0),
242
243SOC_SINGLE_TLV("SPKMIX IN2B Volume", WM9090_SPKMIXL_ATTENUATION, 0, 3, 1,
244 mix_tlv),
245SOC_SINGLE_TLV("MIXOUTL IN2B Volume", WM9090_OUTPUT_MIXER3, 0, 3, 1,
246 mix_tlv),
247SOC_SINGLE_TLV("MIXOUTR IN2B Volume", WM9090_OUTPUT_MIXER4, 0, 3, 1,
248 mix_tlv),
249};
250
251static int hp_ev(struct snd_soc_dapm_widget *w,
252 struct snd_kcontrol *kcontrol, int event)
253{
254 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
255 unsigned int reg = snd_soc_read(codec, WM9090_ANALOGUE_HP_0);
256
257 switch (event) {
258 case SND_SOC_DAPM_POST_PMU:
259 snd_soc_update_bits(codec, WM9090_CHARGE_PUMP_1,
260 WM9090_CP_ENA, WM9090_CP_ENA);
261
262 msleep(5);
263
264 snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1,
265 WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA,
266 WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA);
267
268 reg |= WM9090_HPOUT1L_DLY | WM9090_HPOUT1R_DLY;
269 snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg);
270
271
272
273
274
275
276
277 snd_soc_write(codec, WM9090_DC_SERVO_0,
278 WM9090_DCS_ENA_CHAN_0 |
279 WM9090_DCS_ENA_CHAN_1 |
280 WM9090_DCS_TRIG_STARTUP_1 |
281 WM9090_DCS_TRIG_STARTUP_0);
282 wait_for_dc_servo(codec);
283
284 reg |= WM9090_HPOUT1R_OUTP | WM9090_HPOUT1R_RMV_SHORT |
285 WM9090_HPOUT1L_OUTP | WM9090_HPOUT1L_RMV_SHORT;
286 snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg);
287 break;
288
289 case SND_SOC_DAPM_PRE_PMD:
290 reg &= ~(WM9090_HPOUT1L_RMV_SHORT |
291 WM9090_HPOUT1L_DLY |
292 WM9090_HPOUT1L_OUTP |
293 WM9090_HPOUT1R_RMV_SHORT |
294 WM9090_HPOUT1R_DLY |
295 WM9090_HPOUT1R_OUTP);
296
297 snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg);
298
299 snd_soc_write(codec, WM9090_DC_SERVO_0, 0);
300
301 snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1,
302 WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA,
303 0);
304
305 snd_soc_update_bits(codec, WM9090_CHARGE_PUMP_1,
306 WM9090_CP_ENA, 0);
307 break;
308 }
309
310 return 0;
311}
312
313static const struct snd_kcontrol_new spkmix[] = {
314SOC_DAPM_SINGLE("IN1A Switch", WM9090_SPEAKER_MIXER, 6, 1, 0),
315SOC_DAPM_SINGLE("IN1B Switch", WM9090_SPEAKER_MIXER, 4, 1, 0),
316SOC_DAPM_SINGLE("IN2A Switch", WM9090_SPEAKER_MIXER, 2, 1, 0),
317SOC_DAPM_SINGLE("IN2B Switch", WM9090_SPEAKER_MIXER, 0, 1, 0),
318};
319
320static const struct snd_kcontrol_new spkout[] = {
321SOC_DAPM_SINGLE("Mixer Switch", WM9090_SPKOUT_MIXERS, 4, 1, 0),
322};
323
324static const struct snd_kcontrol_new mixoutl[] = {
325SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER1, 6, 1, 0),
326SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER1, 4, 1, 0),
327SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER1, 2, 1, 0),
328SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER1, 0, 1, 0),
329};
330
331static const struct snd_kcontrol_new mixoutr[] = {
332SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER2, 6, 1, 0),
333SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER2, 4, 1, 0),
334SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER2, 2, 1, 0),
335SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER2, 0, 1, 0),
336};
337
338static const struct snd_soc_dapm_widget wm9090_dapm_widgets[] = {
339SND_SOC_DAPM_INPUT("IN1+"),
340SND_SOC_DAPM_INPUT("IN1-"),
341SND_SOC_DAPM_INPUT("IN2+"),
342SND_SOC_DAPM_INPUT("IN2-"),
343
344SND_SOC_DAPM_SUPPLY("OSC", WM9090_POWER_MANAGEMENT_1, 3, 0, NULL, 0),
345
346SND_SOC_DAPM_PGA("IN1A PGA", WM9090_POWER_MANAGEMENT_2, 7, 0, NULL, 0),
347SND_SOC_DAPM_PGA("IN1B PGA", WM9090_POWER_MANAGEMENT_2, 6, 0, NULL, 0),
348SND_SOC_DAPM_PGA("IN2A PGA", WM9090_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
349SND_SOC_DAPM_PGA("IN2B PGA", WM9090_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
350
351SND_SOC_DAPM_MIXER("SPKMIX", WM9090_POWER_MANAGEMENT_3, 3, 0,
352 spkmix, ARRAY_SIZE(spkmix)),
353SND_SOC_DAPM_MIXER("MIXOUTL", WM9090_POWER_MANAGEMENT_3, 5, 0,
354 mixoutl, ARRAY_SIZE(mixoutl)),
355SND_SOC_DAPM_MIXER("MIXOUTR", WM9090_POWER_MANAGEMENT_3, 4, 0,
356 mixoutr, ARRAY_SIZE(mixoutr)),
357
358SND_SOC_DAPM_PGA_E("HP PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
359 hp_ev, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
360
361SND_SOC_DAPM_PGA("SPKPGA", WM9090_POWER_MANAGEMENT_3, 8, 0, NULL, 0),
362SND_SOC_DAPM_MIXER("SPKOUT", WM9090_POWER_MANAGEMENT_1, 12, 0,
363 spkout, ARRAY_SIZE(spkout)),
364
365SND_SOC_DAPM_OUTPUT("HPR"),
366SND_SOC_DAPM_OUTPUT("HPL"),
367SND_SOC_DAPM_OUTPUT("Speaker"),
368};
369
370static const struct snd_soc_dapm_route audio_map[] = {
371 { "IN1A PGA", NULL, "IN1+" },
372 { "IN2A PGA", NULL, "IN2+" },
373
374 { "SPKMIX", "IN1A Switch", "IN1A PGA" },
375 { "SPKMIX", "IN2A Switch", "IN2A PGA" },
376
377 { "MIXOUTL", "IN1A Switch", "IN1A PGA" },
378 { "MIXOUTL", "IN2A Switch", "IN2A PGA" },
379
380 { "MIXOUTR", "IN1A Switch", "IN1A PGA" },
381 { "MIXOUTR", "IN2A Switch", "IN2A PGA" },
382
383 { "HP PGA", NULL, "OSC" },
384 { "HP PGA", NULL, "MIXOUTL" },
385 { "HP PGA", NULL, "MIXOUTR" },
386
387 { "HPL", NULL, "HP PGA" },
388 { "HPR", NULL, "HP PGA" },
389
390 { "SPKPGA", NULL, "OSC" },
391 { "SPKPGA", NULL, "SPKMIX" },
392
393 { "SPKOUT", "Mixer Switch", "SPKPGA" },
394
395 { "Speaker", NULL, "SPKOUT" },
396};
397
398static const struct snd_soc_dapm_route audio_map_in1_se[] = {
399 { "IN1B PGA", NULL, "IN1-" },
400
401 { "SPKMIX", "IN1B Switch", "IN1B PGA" },
402 { "MIXOUTL", "IN1B Switch", "IN1B PGA" },
403 { "MIXOUTR", "IN1B Switch", "IN1B PGA" },
404};
405
406static const struct snd_soc_dapm_route audio_map_in1_diff[] = {
407 { "IN1A PGA", NULL, "IN1-" },
408};
409
410static const struct snd_soc_dapm_route audio_map_in2_se[] = {
411 { "IN2B PGA", NULL, "IN2-" },
412
413 { "SPKMIX", "IN2B Switch", "IN2B PGA" },
414 { "MIXOUTL", "IN2B Switch", "IN2B PGA" },
415 { "MIXOUTR", "IN2B Switch", "IN2B PGA" },
416};
417
418static const struct snd_soc_dapm_route audio_map_in2_diff[] = {
419 { "IN2A PGA", NULL, "IN2-" },
420};
421
422static int wm9090_add_controls(struct snd_soc_codec *codec)
423{
424 struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec);
425 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
426 int i;
427
428 snd_soc_dapm_new_controls(dapm, wm9090_dapm_widgets,
429 ARRAY_SIZE(wm9090_dapm_widgets));
430
431 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
432
433 snd_soc_add_codec_controls(codec, wm9090_controls,
434 ARRAY_SIZE(wm9090_controls));
435
436 if (wm9090->pdata.lin1_diff) {
437 snd_soc_dapm_add_routes(dapm, audio_map_in1_diff,
438 ARRAY_SIZE(audio_map_in1_diff));
439 } else {
440 snd_soc_dapm_add_routes(dapm, audio_map_in1_se,
441 ARRAY_SIZE(audio_map_in1_se));
442 snd_soc_add_codec_controls(codec, wm9090_in1_se_controls,
443 ARRAY_SIZE(wm9090_in1_se_controls));
444 }
445
446 if (wm9090->pdata.lin2_diff) {
447 snd_soc_dapm_add_routes(dapm, audio_map_in2_diff,
448 ARRAY_SIZE(audio_map_in2_diff));
449 } else {
450 snd_soc_dapm_add_routes(dapm, audio_map_in2_se,
451 ARRAY_SIZE(audio_map_in2_se));
452 snd_soc_add_codec_controls(codec, wm9090_in2_se_controls,
453 ARRAY_SIZE(wm9090_in2_se_controls));
454 }
455
456 if (wm9090->pdata.agc_ena) {
457 for (i = 0; i < ARRAY_SIZE(wm9090->pdata.agc); i++)
458 snd_soc_write(codec, WM9090_AGC_CONTROL_0 + i,
459 wm9090->pdata.agc[i]);
460 snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_3,
461 WM9090_AGC_ENA, WM9090_AGC_ENA);
462 } else {
463 snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_3,
464 WM9090_AGC_ENA, 0);
465 }
466
467 return 0;
468
469}
470
471
472
473
474
475static int wm9090_set_bias_level(struct snd_soc_codec *codec,
476 enum snd_soc_bias_level level)
477{
478 struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec);
479
480 switch (level) {
481 case SND_SOC_BIAS_ON:
482 break;
483
484 case SND_SOC_BIAS_PREPARE:
485 snd_soc_update_bits(codec, WM9090_ANTIPOP2, WM9090_VMID_ENA,
486 WM9090_VMID_ENA);
487 snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1,
488 WM9090_BIAS_ENA |
489 WM9090_VMID_RES_MASK,
490 WM9090_BIAS_ENA |
491 1 << WM9090_VMID_RES_SHIFT);
492 msleep(1);
493 break;
494
495 case SND_SOC_BIAS_STANDBY:
496 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
497
498 regcache_sync(wm9090->regmap);
499 }
500
501
502
503
504
505 snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1,
506 WM9090_BIAS_ENA | WM9090_VMID_RES_MASK, 0);
507 snd_soc_update_bits(codec, WM9090_ANTIPOP2,
508 WM9090_VMID_ENA, 0);
509 break;
510
511 case SND_SOC_BIAS_OFF:
512 break;
513 }
514
515 return 0;
516}
517
518static int wm9090_probe(struct snd_soc_codec *codec)
519{
520
521
522
523 snd_soc_update_bits(codec, WM9090_IN1_LINE_INPUT_A_VOLUME,
524 WM9090_IN1_VU | WM9090_IN1A_ZC,
525 WM9090_IN1_VU | WM9090_IN1A_ZC);
526 snd_soc_update_bits(codec, WM9090_IN1_LINE_INPUT_B_VOLUME,
527 WM9090_IN1_VU | WM9090_IN1B_ZC,
528 WM9090_IN1_VU | WM9090_IN1B_ZC);
529 snd_soc_update_bits(codec, WM9090_IN2_LINE_INPUT_A_VOLUME,
530 WM9090_IN2_VU | WM9090_IN2A_ZC,
531 WM9090_IN2_VU | WM9090_IN2A_ZC);
532 snd_soc_update_bits(codec, WM9090_IN2_LINE_INPUT_B_VOLUME,
533 WM9090_IN2_VU | WM9090_IN2B_ZC,
534 WM9090_IN2_VU | WM9090_IN2B_ZC);
535 snd_soc_update_bits(codec, WM9090_SPEAKER_VOLUME_LEFT,
536 WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC,
537 WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC);
538 snd_soc_update_bits(codec, WM9090_LEFT_OUTPUT_VOLUME,
539 WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC,
540 WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC);
541 snd_soc_update_bits(codec, WM9090_RIGHT_OUTPUT_VOLUME,
542 WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC,
543 WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC);
544
545 snd_soc_update_bits(codec, WM9090_CLOCKING_1,
546 WM9090_TOCLK_ENA, WM9090_TOCLK_ENA);
547
548 wm9090_add_controls(codec);
549
550 return 0;
551}
552
553static const struct snd_soc_codec_driver soc_codec_dev_wm9090 = {
554 .probe = wm9090_probe,
555 .set_bias_level = wm9090_set_bias_level,
556 .suspend_bias_off = true,
557};
558
559static const struct regmap_config wm9090_regmap = {
560 .reg_bits = 8,
561 .val_bits = 16,
562
563 .max_register = WM9090_MAX_REGISTER,
564 .volatile_reg = wm9090_volatile,
565 .readable_reg = wm9090_readable,
566
567 .cache_type = REGCACHE_RBTREE,
568 .reg_defaults = wm9090_reg_defaults,
569 .num_reg_defaults = ARRAY_SIZE(wm9090_reg_defaults),
570};
571
572
573static int wm9090_i2c_probe(struct i2c_client *i2c,
574 const struct i2c_device_id *id)
575{
576 struct wm9090_priv *wm9090;
577 unsigned int reg;
578 int ret;
579
580 wm9090 = devm_kzalloc(&i2c->dev, sizeof(*wm9090), GFP_KERNEL);
581 if (!wm9090)
582 return -ENOMEM;
583
584 wm9090->regmap = devm_regmap_init_i2c(i2c, &wm9090_regmap);
585 if (IS_ERR(wm9090->regmap)) {
586 ret = PTR_ERR(wm9090->regmap);
587 dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
588 return ret;
589 }
590
591 ret = regmap_read(wm9090->regmap, WM9090_SOFTWARE_RESET, ®);
592 if (ret < 0)
593 return ret;
594
595 if (reg != 0x9093) {
596 dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", reg);
597 return -ENODEV;
598 }
599
600 ret = regmap_write(wm9090->regmap, WM9090_SOFTWARE_RESET, 0);
601 if (ret < 0)
602 return ret;
603
604 if (i2c->dev.platform_data)
605 memcpy(&wm9090->pdata, i2c->dev.platform_data,
606 sizeof(wm9090->pdata));
607
608 i2c_set_clientdata(i2c, wm9090);
609
610 ret = snd_soc_register_codec(&i2c->dev,
611 &soc_codec_dev_wm9090, NULL, 0);
612 if (ret != 0) {
613 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
614 return ret;
615 }
616
617 return 0;
618}
619
620static int wm9090_i2c_remove(struct i2c_client *i2c)
621{
622 snd_soc_unregister_codec(&i2c->dev);
623 return 0;
624}
625
626static const struct i2c_device_id wm9090_id[] = {
627 { "wm9090", 0 },
628 { "wm9093", 0 },
629 { }
630};
631MODULE_DEVICE_TABLE(i2c, wm9090_id);
632
633static struct i2c_driver wm9090_i2c_driver = {
634 .driver = {
635 .name = "wm9090",
636 },
637 .probe = wm9090_i2c_probe,
638 .remove = wm9090_i2c_remove,
639 .id_table = wm9090_id,
640};
641
642module_i2c_driver(wm9090_i2c_driver);
643
644MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
645MODULE_DESCRIPTION("WM9090 ASoC driver");
646MODULE_LICENSE("GPL");
647
