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-rw-r--r--sound/soc/codecs/wm8400.c1582
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diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c
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+++ b/sound/soc/codecs/wm8400.c
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1/*
2 * wm8400.c -- WM8400 ALSA Soc Audio driver
3 *
4 * Copyright 2008, 2009 Wolfson Microelectronics PLC.
5 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 *
12 */
13
14#include <linux/module.h>
15#include <linux/moduleparam.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <linux/delay.h>
19#include <linux/pm.h>
20#include <linux/platform_device.h>
21#include <linux/regulator/consumer.h>
22#include <linux/mfd/wm8400-audio.h>
23#include <linux/mfd/wm8400-private.h>
24#include <sound/core.h>
25#include <sound/pcm.h>
26#include <sound/pcm_params.h>
27#include <sound/soc.h>
28#include <sound/soc-dapm.h>
29#include <sound/initval.h>
30#include <sound/tlv.h>
31
32#include "wm8400.h"
33
34/* Fake register for internal state */
35#define WM8400_INTDRIVBITS (WM8400_REGISTER_COUNT + 1)
36#define WM8400_INMIXL_PWR 0
37#define WM8400_AINLMUX_PWR 1
38#define WM8400_INMIXR_PWR 2
39#define WM8400_AINRMUX_PWR 3
40
41static struct regulator_bulk_data power[] = {
42 {
43 .supply = "I2S1VDD",
44 },
45 {
46 .supply = "I2S2VDD",
47 },
48 {
49 .supply = "DCVDD",
50 },
51 {
52 .supply = "AVDD",
53 },
54 {
55 .supply = "FLLVDD",
56 },
57 {
58 .supply = "HPVDD",
59 },
60 {
61 .supply = "SPKVDD",
62 },
63};
64
65/* codec private data */
66struct wm8400_priv {
67 struct snd_soc_codec codec;
68 struct wm8400 *wm8400;
69 u16 fake_register;
70 unsigned int sysclk;
71 unsigned int pcmclk;
72 struct work_struct work;
73 int fll_in, fll_out;
74};
75
76static inline unsigned int wm8400_read(struct snd_soc_codec *codec,
77 unsigned int reg)
78{
79 struct wm8400_priv *wm8400 = codec->private_data;
80
81 if (reg == WM8400_INTDRIVBITS)
82 return wm8400->fake_register;
83 else
84 return wm8400_reg_read(wm8400->wm8400, reg);
85}
86
87/*
88 * write to the wm8400 register space
89 */
90static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg,
91 unsigned int value)
92{
93 struct wm8400_priv *wm8400 = codec->private_data;
94
95 if (reg == WM8400_INTDRIVBITS) {
96 wm8400->fake_register = value;
97 return 0;
98 } else
99 return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value);
100}
101
102static void wm8400_codec_reset(struct snd_soc_codec *codec)
103{
104 struct wm8400_priv *wm8400 = codec->private_data;
105
106 wm8400_reset_codec_reg_cache(wm8400->wm8400);
107}
108
109static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
110
111static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
112
113static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, -2100, 0);
114
115static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
116
117static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
118
119static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
120
121static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
122
123static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
124
125static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
126 struct snd_ctl_elem_value *ucontrol)
127{
128 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
129 struct soc_mixer_control *mc =
130 (struct soc_mixer_control *)kcontrol->private_value;
131 int reg = mc->reg;
132 int ret;
133 u16 val;
134
135 ret = snd_soc_put_volsw(kcontrol, ucontrol);
136 if (ret < 0)
137 return ret;
138
139 /* now hit the volume update bits (always bit 8) */
140 val = wm8400_read(codec, reg);
141 return wm8400_write(codec, reg, val | 0x0100);
142}
143
144#define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
145{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
146 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
147 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
148 .tlv.p = (tlv_array), \
149 .info = snd_soc_info_volsw, \
150 .get = snd_soc_get_volsw, .put = wm8400_outpga_put_volsw_vu, \
151 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
152
153
154static const char *wm8400_digital_sidetone[] =
155 {"None", "Left ADC", "Right ADC", "Reserved"};
156
157static const struct soc_enum wm8400_left_digital_sidetone_enum =
158SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
159 WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone);
160
161static const struct soc_enum wm8400_right_digital_sidetone_enum =
162SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
163 WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone);
164
165static const char *wm8400_adcmode[] =
166 {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
167
168static const struct soc_enum wm8400_right_adcmode_enum =
169SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode);
170
171static const struct snd_kcontrol_new wm8400_snd_controls[] = {
172/* INMIXL */
173SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
174 1, 0),
175SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
176 1, 0),
177/* INMIXR */
178SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
179 1, 0),
180SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
181 1, 0),
182
183/* LOMIX */
184SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
185 WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
186SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
187 WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
188SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
189 WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
190SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
191 WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
192SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
193 WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
194SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
195 WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
196
197/* ROMIX */
198SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
199 WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
200SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
201 WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
202SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
203 WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
204SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
205 WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
206SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
207 WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
208SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
209 WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
210
211/* LOUT */
212WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
213 WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
214SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
215
216/* ROUT */
217WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
218 WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
219SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
220
221/* LOPGA */
222WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
223 WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
224SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
225 WM8400_LOPGAZC_SHIFT, 1, 0),
226
227/* ROPGA */
228WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
229 WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
230SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
231 WM8400_ROPGAZC_SHIFT, 1, 0),
232
233SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
234 WM8400_LONMUTE_SHIFT, 1, 0),
235SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
236 WM8400_LOPMUTE_SHIFT, 1, 0),
237SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
238 WM8400_LOATTN_SHIFT, 1, 0),
239SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
240 WM8400_RONMUTE_SHIFT, 1, 0),
241SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
242 WM8400_ROPMUTE_SHIFT, 1, 0),
243SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
244 WM8400_ROATTN_SHIFT, 1, 0),
245
246SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
247 WM8400_OUT3MUTE_SHIFT, 1, 0),
248SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
249 WM8400_OUT3ATTN_SHIFT, 1, 0),
250
251SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
252 WM8400_OUT4MUTE_SHIFT, 1, 0),
253SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
254 WM8400_OUT4ATTN_SHIFT, 1, 0),
255
256SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
257 WM8400_CDMODE_SHIFT, 1, 0),
258
259SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
260 WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
261SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
262 WM8400_DCGAIN_SHIFT, 6, 0),
263SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
264 WM8400_ACGAIN_SHIFT, 6, 0),
265
266WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
267 WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
268 127, 0, out_dac_tlv),
269
270WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
271 WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
272 127, 0, out_dac_tlv),
273
274SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
275SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
276
277SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
278 WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
279SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
280 WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
281
282SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
283 WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
284
285SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
286
287WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
288 WM8400_LEFT_ADC_DIGITAL_VOLUME,
289 WM8400_ADCL_VOL_SHIFT,
290 WM8400_ADCL_VOL_MASK,
291 0,
292 in_adc_tlv),
293
294WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
295 WM8400_RIGHT_ADC_DIGITAL_VOLUME,
296 WM8400_ADCR_VOL_SHIFT,
297 WM8400_ADCR_VOL_MASK,
298 0,
299 in_adc_tlv),
300
301WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
302 WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
303 WM8400_LIN12VOL_SHIFT,
304 WM8400_LIN12VOL_MASK,
305 0,
306 in_pga_tlv),
307
308SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
309 WM8400_LI12ZC_SHIFT, 1, 0),
310
311SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
312 WM8400_LI12MUTE_SHIFT, 1, 0),
313
314WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
315 WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
316 WM8400_LIN34VOL_SHIFT,
317 WM8400_LIN34VOL_MASK,
318 0,
319 in_pga_tlv),
320
321SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
322 WM8400_LI34ZC_SHIFT, 1, 0),
323
324SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
325 WM8400_LI34MUTE_SHIFT, 1, 0),
326
327WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
328 WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
329 WM8400_RIN12VOL_SHIFT,
330 WM8400_RIN12VOL_MASK,
331 0,
332 in_pga_tlv),
333
334SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
335 WM8400_RI12ZC_SHIFT, 1, 0),
336
337SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
338 WM8400_RI12MUTE_SHIFT, 1, 0),
339
340WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
341 WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
342 WM8400_RIN34VOL_SHIFT,
343 WM8400_RIN34VOL_MASK,
344 0,
345 in_pga_tlv),
346
347SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
348 WM8400_RI34ZC_SHIFT, 1, 0),
349
350SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
351 WM8400_RI34MUTE_SHIFT, 1, 0),
352
353};
354
355/* add non dapm controls */
356static int wm8400_add_controls(struct snd_soc_codec *codec)
357{
358 return snd_soc_add_controls(codec, wm8400_snd_controls,
359 ARRAY_SIZE(wm8400_snd_controls));
360}
361
362/*
363 * _DAPM_ Controls
364 */
365
366static int inmixer_event (struct snd_soc_dapm_widget *w,
367 struct snd_kcontrol *kcontrol, int event)
368{
369 u16 reg, fakepower;
370
371 reg = wm8400_read(w->codec, WM8400_POWER_MANAGEMENT_2);
372 fakepower = wm8400_read(w->codec, WM8400_INTDRIVBITS);
373
374 if (fakepower & ((1 << WM8400_INMIXL_PWR) |
375 (1 << WM8400_AINLMUX_PWR))) {
376 reg |= WM8400_AINL_ENA;
377 } else {
378 reg &= ~WM8400_AINL_ENA;
379 }
380
381 if (fakepower & ((1 << WM8400_INMIXR_PWR) |
382 (1 << WM8400_AINRMUX_PWR))) {
383 reg |= WM8400_AINR_ENA;
384 } else {
385 reg &= ~WM8400_AINL_ENA;
386 }
387 wm8400_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg);
388
389 return 0;
390}
391
392static int outmixer_event (struct snd_soc_dapm_widget *w,
393 struct snd_kcontrol * kcontrol, int event)
394{
395 struct soc_mixer_control *mc =
396 (struct soc_mixer_control *)kcontrol->private_value;
397 u32 reg_shift = mc->shift;
398 int ret = 0;
399 u16 reg;
400
401 switch (reg_shift) {
402 case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
403 reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER1);
404 if (reg & WM8400_LDLO) {
405 printk(KERN_WARNING
406 "Cannot set as Output Mixer 1 LDLO Set\n");
407 ret = -1;
408 }
409 break;
410 case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
411 reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER2);
412 if (reg & WM8400_RDRO) {
413 printk(KERN_WARNING
414 "Cannot set as Output Mixer 2 RDRO Set\n");
415 ret = -1;
416 }
417 break;
418 case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
419 reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
420 if (reg & WM8400_LDSPK) {
421 printk(KERN_WARNING
422 "Cannot set as Speaker Mixer LDSPK Set\n");
423 ret = -1;
424 }
425 break;
426 case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
427 reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
428 if (reg & WM8400_RDSPK) {
429 printk(KERN_WARNING
430 "Cannot set as Speaker Mixer RDSPK Set\n");
431 ret = -1;
432 }
433 break;
434 }
435
436 return ret;
437}
438
439/* INMIX dB values */
440static const unsigned int in_mix_tlv[] = {
441 TLV_DB_RANGE_HEAD(1),
442 0,7, TLV_DB_LINEAR_ITEM(-1200, 600),
443};
444
445/* Left In PGA Connections */
446static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
447SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
448SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
449};
450
451static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
452SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
453SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
454};
455
456/* Right In PGA Connections */
457static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
458SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
459SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
460};
461
462static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
463SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
464SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
465};
466
467/* INMIXL */
468static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
469SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
470 WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
471SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
472 7, 0, in_mix_tlv),
473SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
474 1, 0),
475SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
476 1, 0),
477};
478
479/* INMIXR */
480static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
481SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
482 WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
483SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
484 7, 0, in_mix_tlv),
485SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
486 1, 0),
487SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
488 1, 0),
489};
490
491/* AINLMUX */
492static const char *wm8400_ainlmux[] =
493 {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
494
495static const struct soc_enum wm8400_ainlmux_enum =
496SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT,
497 ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux);
498
499static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
500SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
501
502/* DIFFINL */
503
504/* AINRMUX */
505static const char *wm8400_ainrmux[] =
506 {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
507
508static const struct soc_enum wm8400_ainrmux_enum =
509SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT,
510 ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux);
511
512static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
513SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
514
515/* RXVOICE */
516static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = {
517SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT,
518 WM8400_LR4BVOL_MASK, 0, in_mix_tlv),
519SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT,
520 WM8400_RL4BVOL_MASK, 0, in_mix_tlv),
521};
522
523/* LOMIX */
524static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
525SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
526 WM8400_LRBLO_SHIFT, 1, 0),
527SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
528 WM8400_LLBLO_SHIFT, 1, 0),
529SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
530 WM8400_LRI3LO_SHIFT, 1, 0),
531SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
532 WM8400_LLI3LO_SHIFT, 1, 0),
533SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
534 WM8400_LR12LO_SHIFT, 1, 0),
535SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
536 WM8400_LL12LO_SHIFT, 1, 0),
537SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
538 WM8400_LDLO_SHIFT, 1, 0),
539};
540
541/* ROMIX */
542static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
543SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
544 WM8400_RLBRO_SHIFT, 1, 0),
545SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
546 WM8400_RRBRO_SHIFT, 1, 0),
547SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
548 WM8400_RLI3RO_SHIFT, 1, 0),
549SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
550 WM8400_RRI3RO_SHIFT, 1, 0),
551SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
552 WM8400_RL12RO_SHIFT, 1, 0),
553SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
554 WM8400_RR12RO_SHIFT, 1, 0),
555SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
556 WM8400_RDRO_SHIFT, 1, 0),
557};
558
559/* LONMIX */
560static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
561SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
562 WM8400_LLOPGALON_SHIFT, 1, 0),
563SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
564 WM8400_LROPGALON_SHIFT, 1, 0),
565SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
566 WM8400_LOPLON_SHIFT, 1, 0),
567};
568
569/* LOPMIX */
570static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
571SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
572 WM8400_LR12LOP_SHIFT, 1, 0),
573SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
574 WM8400_LL12LOP_SHIFT, 1, 0),
575SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
576 WM8400_LLOPGALOP_SHIFT, 1, 0),
577};
578
579/* RONMIX */
580static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
581SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
582 WM8400_RROPGARON_SHIFT, 1, 0),
583SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
584 WM8400_RLOPGARON_SHIFT, 1, 0),
585SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
586 WM8400_ROPRON_SHIFT, 1, 0),
587};
588
589/* ROPMIX */
590static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
591SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
592 WM8400_RL12ROP_SHIFT, 1, 0),
593SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
594 WM8400_RR12ROP_SHIFT, 1, 0),
595SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
596 WM8400_RROPGAROP_SHIFT, 1, 0),
597};
598
599/* OUT3MIX */
600static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
601SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
602 WM8400_LI4O3_SHIFT, 1, 0),
603SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
604 WM8400_LPGAO3_SHIFT, 1, 0),
605};
606
607/* OUT4MIX */
608static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
609SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
610 WM8400_RPGAO4_SHIFT, 1, 0),
611SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
612 WM8400_RI4O4_SHIFT, 1, 0),
613};
614
615/* SPKMIX */
616static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
617SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
618 WM8400_LI2SPK_SHIFT, 1, 0),
619SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
620 WM8400_LB2SPK_SHIFT, 1, 0),
621SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
622 WM8400_LOPGASPK_SHIFT, 1, 0),
623SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
624 WM8400_LDSPK_SHIFT, 1, 0),
625SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
626 WM8400_RDSPK_SHIFT, 1, 0),
627SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
628 WM8400_ROPGASPK_SHIFT, 1, 0),
629SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
630 WM8400_RL12ROP_SHIFT, 1, 0),
631SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
632 WM8400_RI2SPK_SHIFT, 1, 0),
633};
634
635static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
636/* Input Side */
637/* Input Lines */
638SND_SOC_DAPM_INPUT("LIN1"),
639SND_SOC_DAPM_INPUT("LIN2"),
640SND_SOC_DAPM_INPUT("LIN3"),
641SND_SOC_DAPM_INPUT("LIN4/RXN"),
642SND_SOC_DAPM_INPUT("RIN3"),
643SND_SOC_DAPM_INPUT("RIN4/RXP"),
644SND_SOC_DAPM_INPUT("RIN1"),
645SND_SOC_DAPM_INPUT("RIN2"),
646SND_SOC_DAPM_INPUT("Internal ADC Source"),
647
648/* DACs */
649SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
650 WM8400_ADCL_ENA_SHIFT, 0),
651SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
652 WM8400_ADCR_ENA_SHIFT, 0),
653
654/* Input PGAs */
655SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
656 WM8400_LIN12_ENA_SHIFT,
657 0, &wm8400_dapm_lin12_pga_controls[0],
658 ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
659SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
660 WM8400_LIN34_ENA_SHIFT,
661 0, &wm8400_dapm_lin34_pga_controls[0],
662 ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
663SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
664 WM8400_RIN12_ENA_SHIFT,
665 0, &wm8400_dapm_rin12_pga_controls[0],
666 ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
667SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
668 WM8400_RIN34_ENA_SHIFT,
669 0, &wm8400_dapm_rin34_pga_controls[0],
670 ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
671
672/* INMIXL */
673SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0,
674 &wm8400_dapm_inmixl_controls[0],
675 ARRAY_SIZE(wm8400_dapm_inmixl_controls),
676 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
677
678/* AINLMUX */
679SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0,
680 &wm8400_dapm_ainlmux_controls, inmixer_event,
681 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
682
683/* INMIXR */
684SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0,
685 &wm8400_dapm_inmixr_controls[0],
686 ARRAY_SIZE(wm8400_dapm_inmixr_controls),
687 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
688
689/* AINRMUX */
690SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0,
691 &wm8400_dapm_ainrmux_controls, inmixer_event,
692 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
693
694/* Output Side */
695/* DACs */
696SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
697 WM8400_DACL_ENA_SHIFT, 0),
698SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
699 WM8400_DACR_ENA_SHIFT, 0),
700
701/* LOMIX */
702SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
703 WM8400_LOMIX_ENA_SHIFT,
704 0, &wm8400_dapm_lomix_controls[0],
705 ARRAY_SIZE(wm8400_dapm_lomix_controls),
706 outmixer_event, SND_SOC_DAPM_PRE_REG),
707
708/* LONMIX */
709SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
710 0, &wm8400_dapm_lonmix_controls[0],
711 ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
712
713/* LOPMIX */
714SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
715 0, &wm8400_dapm_lopmix_controls[0],
716 ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
717
718/* OUT3MIX */
719SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
720 0, &wm8400_dapm_out3mix_controls[0],
721 ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
722
723/* SPKMIX */
724SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
725 0, &wm8400_dapm_spkmix_controls[0],
726 ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
727 SND_SOC_DAPM_PRE_REG),
728
729/* OUT4MIX */
730SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
731 0, &wm8400_dapm_out4mix_controls[0],
732 ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
733
734/* ROPMIX */
735SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
736 0, &wm8400_dapm_ropmix_controls[0],
737 ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
738
739/* RONMIX */
740SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
741 0, &wm8400_dapm_ronmix_controls[0],
742 ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
743
744/* ROMIX */
745SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
746 WM8400_ROMIX_ENA_SHIFT,
747 0, &wm8400_dapm_romix_controls[0],
748 ARRAY_SIZE(wm8400_dapm_romix_controls),
749 outmixer_event, SND_SOC_DAPM_PRE_REG),
750
751/* LOUT PGA */
752SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
753 0, NULL, 0),
754
755/* ROUT PGA */
756SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
757 0, NULL, 0),
758
759/* LOPGA */
760SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
761 NULL, 0),
762
763/* ROPGA */
764SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
765 NULL, 0),
766
767/* MICBIAS */
768SND_SOC_DAPM_MICBIAS("MICBIAS", WM8400_POWER_MANAGEMENT_1,
769 WM8400_MIC1BIAS_ENA_SHIFT, 0),
770
771SND_SOC_DAPM_OUTPUT("LON"),
772SND_SOC_DAPM_OUTPUT("LOP"),
773SND_SOC_DAPM_OUTPUT("OUT3"),
774SND_SOC_DAPM_OUTPUT("LOUT"),
775SND_SOC_DAPM_OUTPUT("SPKN"),
776SND_SOC_DAPM_OUTPUT("SPKP"),
777SND_SOC_DAPM_OUTPUT("ROUT"),
778SND_SOC_DAPM_OUTPUT("OUT4"),
779SND_SOC_DAPM_OUTPUT("ROP"),
780SND_SOC_DAPM_OUTPUT("RON"),
781
782SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
783};
784
785static const struct snd_soc_dapm_route audio_map[] = {
786 /* Make DACs turn on when playing even if not mixed into any outputs */
787 {"Internal DAC Sink", NULL, "Left DAC"},
788 {"Internal DAC Sink", NULL, "Right DAC"},
789
790 /* Make ADCs turn on when recording
791 * even if not mixed from any inputs */
792 {"Left ADC", NULL, "Internal ADC Source"},
793 {"Right ADC", NULL, "Internal ADC Source"},
794
795 /* Input Side */
796 /* LIN12 PGA */
797 {"LIN12 PGA", "LIN1 Switch", "LIN1"},
798 {"LIN12 PGA", "LIN2 Switch", "LIN2"},
799 /* LIN34 PGA */
800 {"LIN34 PGA", "LIN3 Switch", "LIN3"},
801 {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
802 /* INMIXL */
803 {"INMIXL", "Record Left Volume", "LOMIX"},
804 {"INMIXL", "LIN2 Volume", "LIN2"},
805 {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
806 {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
807 /* AILNMUX */
808 {"AILNMUX", "INMIXL Mix", "INMIXL"},
809 {"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
810 {"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
811 {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
812 {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
813 /* ADC */
814 {"Left ADC", NULL, "AILNMUX"},
815
816 /* RIN12 PGA */
817 {"RIN12 PGA", "RIN1 Switch", "RIN1"},
818 {"RIN12 PGA", "RIN2 Switch", "RIN2"},
819 /* RIN34 PGA */
820 {"RIN34 PGA", "RIN3 Switch", "RIN3"},
821 {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
822 /* INMIXL */
823 {"INMIXR", "Record Right Volume", "ROMIX"},
824 {"INMIXR", "RIN2 Volume", "RIN2"},
825 {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
826 {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
827 /* AIRNMUX */
828 {"AIRNMUX", "INMIXR Mix", "INMIXR"},
829 {"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
830 {"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
831 {"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
832 {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
833 /* ADC */
834 {"Right ADC", NULL, "AIRNMUX"},
835
836 /* LOMIX */
837 {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
838 {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
839 {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
840 {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
841 {"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
842 {"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
843 {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
844
845 /* ROMIX */
846 {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
847 {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
848 {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
849 {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
850 {"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
851 {"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
852 {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
853
854 /* SPKMIX */
855 {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
856 {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
857 {"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
858 {"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
859 {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
860 {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
861 {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
862 {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
863
864 /* LONMIX */
865 {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
866 {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
867 {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
868
869 /* LOPMIX */
870 {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
871 {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
872 {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
873
874 /* OUT3MIX */
875 {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
876 {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
877
878 /* OUT4MIX */
879 {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
880 {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
881
882 /* RONMIX */
883 {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
884 {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
885 {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
886
887 /* ROPMIX */
888 {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
889 {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
890 {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
891
892 /* Out Mixer PGAs */
893 {"LOPGA", NULL, "LOMIX"},
894 {"ROPGA", NULL, "ROMIX"},
895
896 {"LOUT PGA", NULL, "LOMIX"},
897 {"ROUT PGA", NULL, "ROMIX"},
898
899 /* Output Pins */
900 {"LON", NULL, "LONMIX"},
901 {"LOP", NULL, "LOPMIX"},
902 {"OUT3", NULL, "OUT3MIX"},
903 {"LOUT", NULL, "LOUT PGA"},
904 {"SPKN", NULL, "SPKMIX"},
905 {"ROUT", NULL, "ROUT PGA"},
906 {"OUT4", NULL, "OUT4MIX"},
907 {"ROP", NULL, "ROPMIX"},
908 {"RON", NULL, "RONMIX"},
909};
910
911static int wm8400_add_widgets(struct snd_soc_codec *codec)
912{
913 snd_soc_dapm_new_controls(codec, wm8400_dapm_widgets,
914 ARRAY_SIZE(wm8400_dapm_widgets));
915
916 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
917
918 snd_soc_dapm_new_widgets(codec);
919 return 0;
920}
921
922/*
923 * Clock after FLL and dividers
924 */
925static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
926 int clk_id, unsigned int freq, int dir)
927{
928 struct snd_soc_codec *codec = codec_dai->codec;
929 struct wm8400_priv *wm8400 = codec->private_data;
930
931 wm8400->sysclk = freq;
932 return 0;
933}
934
935struct fll_factors {
936 u16 n;
937 u16 k;
938 u16 outdiv;
939 u16 fratio;
940 u16 freq_ref;
941};
942
943#define FIXED_FLL_SIZE ((1 << 16) * 10)
944
945static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
946 unsigned int Fref, unsigned int Fout)
947{
948 u64 Kpart;
949 unsigned int K, Nmod, target;
950
951 factors->outdiv = 2;
952 while (Fout * factors->outdiv < 90000000 ||
953 Fout * factors->outdiv > 100000000) {
954 factors->outdiv *= 2;
955 if (factors->outdiv > 32) {
956 dev_err(wm8400->wm8400->dev,
957 "Unsupported FLL output frequency %dHz\n",
958 Fout);
959 return -EINVAL;
960 }
961 }
962 target = Fout * factors->outdiv;
963 factors->outdiv = factors->outdiv >> 2;
964
965 if (Fref < 48000)
966 factors->freq_ref = 1;
967 else
968 factors->freq_ref = 0;
969
970 if (Fref < 1000000)
971 factors->fratio = 9;
972 else
973 factors->fratio = 0;
974
975 /* Ensure we have a fractional part */
976 do {
977 if (Fref < 1000000)
978 factors->fratio--;
979 else
980 factors->fratio++;
981
982 if (factors->fratio < 1 || factors->fratio > 8) {
983 dev_err(wm8400->wm8400->dev,
984 "Unable to calculate FRATIO\n");
985 return -EINVAL;
986 }
987
988 factors->n = target / (Fref * factors->fratio);
989 Nmod = target % (Fref * factors->fratio);
990 } while (Nmod == 0);
991
992 /* Calculate fractional part - scale up so we can round. */
993 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
994
995 do_div(Kpart, (Fref * factors->fratio));
996
997 K = Kpart & 0xFFFFFFFF;
998
999 if ((K % 10) >= 5)
1000 K += 5;
1001
1002 /* Move down to proper range now rounding is done */
1003 factors->k = K / 10;
1004
1005 dev_dbg(wm8400->wm8400->dev,
1006 "FLL: Fref=%d Fout=%d N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
1007 Fref, Fout,
1008 factors->n, factors->k, factors->fratio, factors->outdiv);
1009
1010 return 0;
1011}
1012
1013static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1014 unsigned int freq_in, unsigned int freq_out)
1015{
1016 struct snd_soc_codec *codec = codec_dai->codec;
1017 struct wm8400_priv *wm8400 = codec->private_data;
1018 struct fll_factors factors;
1019 int ret;
1020 u16 reg;
1021
1022 if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
1023 return 0;
1024
1025 if (freq_out != 0) {
1026 ret = fll_factors(wm8400, &factors, freq_in, freq_out);
1027 if (ret != 0)
1028 return ret;
1029 }
1030
1031 wm8400->fll_out = freq_out;
1032 wm8400->fll_in = freq_in;
1033
1034 /* We *must* disable the FLL before any changes */
1035 reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_2);
1036 reg &= ~WM8400_FLL_ENA;
1037 wm8400_write(codec, WM8400_POWER_MANAGEMENT_2, reg);
1038
1039 reg = wm8400_read(codec, WM8400_FLL_CONTROL_1);
1040 reg &= ~WM8400_FLL_OSC_ENA;
1041 wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
1042
1043 if (freq_out == 0)
1044 return 0;
1045
1046 reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
1047 reg |= WM8400_FLL_FRAC | factors.fratio;
1048 reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT;
1049 wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
1050
1051 wm8400_write(codec, WM8400_FLL_CONTROL_2, factors.k);
1052 wm8400_write(codec, WM8400_FLL_CONTROL_3, factors.n);
1053
1054 reg = wm8400_read(codec, WM8400_FLL_CONTROL_4);
1055 reg &= WM8400_FLL_OUTDIV_MASK;
1056 reg |= factors.outdiv;
1057 wm8400_write(codec, WM8400_FLL_CONTROL_4, reg);
1058
1059 return 0;
1060}
1061
1062/*
1063 * Sets ADC and Voice DAC format.
1064 */
1065static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
1066 unsigned int fmt)
1067{
1068 struct snd_soc_codec *codec = codec_dai->codec;
1069 u16 audio1, audio3;
1070
1071 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
1072 audio3 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_3);
1073
1074 /* set master/slave audio interface */
1075 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1076 case SND_SOC_DAIFMT_CBS_CFS:
1077 audio3 &= ~WM8400_AIF_MSTR1;
1078 break;
1079 case SND_SOC_DAIFMT_CBM_CFM:
1080 audio3 |= WM8400_AIF_MSTR1;
1081 break;
1082 default:
1083 return -EINVAL;
1084 }
1085
1086 audio1 &= ~WM8400_AIF_FMT_MASK;
1087
1088 /* interface format */
1089 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1090 case SND_SOC_DAIFMT_I2S:
1091 audio1 |= WM8400_AIF_FMT_I2S;
1092 audio1 &= ~WM8400_AIF_LRCLK_INV;
1093 break;
1094 case SND_SOC_DAIFMT_RIGHT_J:
1095 audio1 |= WM8400_AIF_FMT_RIGHTJ;
1096 audio1 &= ~WM8400_AIF_LRCLK_INV;
1097 break;
1098 case SND_SOC_DAIFMT_LEFT_J:
1099 audio1 |= WM8400_AIF_FMT_LEFTJ;
1100 audio1 &= ~WM8400_AIF_LRCLK_INV;
1101 break;
1102 case SND_SOC_DAIFMT_DSP_A:
1103 audio1 |= WM8400_AIF_FMT_DSP;
1104 audio1 &= ~WM8400_AIF_LRCLK_INV;
1105 break;
1106 case SND_SOC_DAIFMT_DSP_B:
1107 audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
1108 break;
1109 default:
1110 return -EINVAL;
1111 }
1112
1113 wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1114 wm8400_write(codec, WM8400_AUDIO_INTERFACE_3, audio3);
1115 return 0;
1116}
1117
1118static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1119 int div_id, int div)
1120{
1121 struct snd_soc_codec *codec = codec_dai->codec;
1122 u16 reg;
1123
1124 switch (div_id) {
1125 case WM8400_MCLK_DIV:
1126 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1127 ~WM8400_MCLK_DIV_MASK;
1128 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1129 break;
1130 case WM8400_DACCLK_DIV:
1131 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1132 ~WM8400_DAC_CLKDIV_MASK;
1133 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1134 break;
1135 case WM8400_ADCCLK_DIV:
1136 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1137 ~WM8400_ADC_CLKDIV_MASK;
1138 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1139 break;
1140 case WM8400_BCLK_DIV:
1141 reg = wm8400_read(codec, WM8400_CLOCKING_1) &
1142 ~WM8400_BCLK_DIV_MASK;
1143 wm8400_write(codec, WM8400_CLOCKING_1, reg | div);
1144 break;
1145 default:
1146 return -EINVAL;
1147 }
1148
1149 return 0;
1150}
1151
1152/*
1153 * Set PCM DAI bit size and sample rate.
1154 */
1155static int wm8400_hw_params(struct snd_pcm_substream *substream,
1156 struct snd_pcm_hw_params *params,
1157 struct snd_soc_dai *dai)
1158{
1159 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1160 struct snd_soc_device *socdev = rtd->socdev;
1161 struct snd_soc_codec *codec = socdev->card->codec;
1162 u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
1163
1164 audio1 &= ~WM8400_AIF_WL_MASK;
1165 /* bit size */
1166 switch (params_format(params)) {
1167 case SNDRV_PCM_FORMAT_S16_LE:
1168 break;
1169 case SNDRV_PCM_FORMAT_S20_3LE:
1170 audio1 |= WM8400_AIF_WL_20BITS;
1171 break;
1172 case SNDRV_PCM_FORMAT_S24_LE:
1173 audio1 |= WM8400_AIF_WL_24BITS;
1174 break;
1175 case SNDRV_PCM_FORMAT_S32_LE:
1176 audio1 |= WM8400_AIF_WL_32BITS;
1177 break;
1178 }
1179
1180 wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1181 return 0;
1182}
1183
1184static int wm8400_mute(struct snd_soc_dai *dai, int mute)
1185{
1186 struct snd_soc_codec *codec = dai->codec;
1187 u16 val = wm8400_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
1188
1189 if (mute)
1190 wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1191 else
1192 wm8400_write(codec, WM8400_DAC_CTRL, val);
1193
1194 return 0;
1195}
1196
1197/* TODO: set bias for best performance at standby */
1198static int wm8400_set_bias_level(struct snd_soc_codec *codec,
1199 enum snd_soc_bias_level level)
1200{
1201 struct wm8400_priv *wm8400 = codec->private_data;
1202 u16 val;
1203 int ret;
1204
1205 switch (level) {
1206 case SND_SOC_BIAS_ON:
1207 break;
1208
1209 case SND_SOC_BIAS_PREPARE:
1210 /* VMID=2*50k */
1211 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
1212 ~WM8400_VMID_MODE_MASK;
1213 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2);
1214 break;
1215
1216 case SND_SOC_BIAS_STANDBY:
1217 if (codec->bias_level == SND_SOC_BIAS_OFF) {
1218 ret = regulator_bulk_enable(ARRAY_SIZE(power),
1219 &power[0]);
1220 if (ret != 0) {
1221 dev_err(wm8400->wm8400->dev,
1222 "Failed to enable regulators: %d\n",
1223 ret);
1224 return ret;
1225 }
1226
1227 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
1228 WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
1229
1230 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1231 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1232 WM8400_BUFDCOPEN | WM8400_POBCTRL);
1233
1234 msleep(50);
1235
1236 /* Enable VREF & VMID at 2x50k */
1237 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1238 val |= 0x2 | WM8400_VREF_ENA;
1239 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1240
1241 /* Enable BUFIOEN */
1242 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1243 WM8400_BUFDCOPEN | WM8400_POBCTRL |
1244 WM8400_BUFIOEN);
1245
1246 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1247 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
1248 }
1249
1250 /* VMID=2*300k */
1251 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
1252 ~WM8400_VMID_MODE_MASK;
1253 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4);
1254 break;
1255
1256 case SND_SOC_BIAS_OFF:
1257 /* Enable POBCTRL and SOFT_ST */
1258 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1259 WM8400_POBCTRL | WM8400_BUFIOEN);
1260
1261 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1262 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1263 WM8400_BUFDCOPEN | WM8400_POBCTRL |
1264 WM8400_BUFIOEN);
1265
1266 /* mute DAC */
1267 val = wm8400_read(codec, WM8400_DAC_CTRL);
1268 wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1269
1270 /* Enable any disabled outputs */
1271 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1272 val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1273 WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1274 WM8400_ROUT_ENA;
1275 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1276
1277 /* Disable VMID */
1278 val &= ~WM8400_VMID_MODE_MASK;
1279 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1280
1281 msleep(300);
1282
1283 /* Enable all output discharge bits */
1284 wm8400_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1285 WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1286 WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1287 WM8400_DIS_ROUT);
1288
1289 /* Disable VREF */
1290 val &= ~WM8400_VREF_ENA;
1291 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1292
1293 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1294 wm8400_write(codec, WM8400_ANTIPOP2, 0x0);
1295
1296 ret = regulator_bulk_disable(ARRAY_SIZE(power),
1297 &power[0]);
1298 if (ret != 0)
1299 return ret;
1300
1301 break;
1302 }
1303
1304 codec->bias_level = level;
1305 return 0;
1306}
1307
1308#define WM8400_RATES SNDRV_PCM_RATE_8000_96000
1309
1310#define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1311 SNDRV_PCM_FMTBIT_S24_LE)
1312
1313static struct snd_soc_dai_ops wm8400_dai_ops = {
1314 .hw_params = wm8400_hw_params,
1315 .digital_mute = wm8400_mute,
1316 .set_fmt = wm8400_set_dai_fmt,
1317 .set_clkdiv = wm8400_set_dai_clkdiv,
1318 .set_sysclk = wm8400_set_dai_sysclk,
1319 .set_pll = wm8400_set_dai_pll,
1320};
1321
1322/*
1323 * The WM8400 supports 2 different and mutually exclusive DAI
1324 * configurations.
1325 *
1326 * 1. ADC/DAC on Primary Interface
1327 * 2. ADC on Primary Interface/DAC on secondary
1328 */
1329struct snd_soc_dai wm8400_dai = {
1330/* ADC/DAC on primary */
1331 .name = "WM8400 ADC/DAC Primary",
1332 .id = 1,
1333 .playback = {
1334 .stream_name = "Playback",
1335 .channels_min = 1,
1336 .channels_max = 2,
1337 .rates = WM8400_RATES,
1338 .formats = WM8400_FORMATS,
1339 },
1340 .capture = {
1341 .stream_name = "Capture",
1342 .channels_min = 1,
1343 .channels_max = 2,
1344 .rates = WM8400_RATES,
1345 .formats = WM8400_FORMATS,
1346 },
1347 .ops = &wm8400_dai_ops,
1348};
1349EXPORT_SYMBOL_GPL(wm8400_dai);
1350
1351static int wm8400_suspend(struct platform_device *pdev, pm_message_t state)
1352{
1353 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1354 struct snd_soc_codec *codec = socdev->card->codec;
1355
1356 wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
1357
1358 return 0;
1359}
1360
1361static int wm8400_resume(struct platform_device *pdev)
1362{
1363 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1364 struct snd_soc_codec *codec = socdev->card->codec;
1365
1366 wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1367
1368 return 0;
1369}
1370
1371static struct snd_soc_codec *wm8400_codec;
1372
1373static int wm8400_probe(struct platform_device *pdev)
1374{
1375 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1376 struct snd_soc_codec *codec;
1377 int ret;
1378
1379 if (!wm8400_codec) {
1380 dev_err(&pdev->dev, "wm8400 not yet discovered\n");
1381 return -ENODEV;
1382 }
1383 codec = wm8400_codec;
1384
1385 socdev->card->codec = codec;
1386
1387 /* register pcms */
1388 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1389 if (ret < 0) {
1390 dev_err(&pdev->dev, "failed to create pcms\n");
1391 goto pcm_err;
1392 }
1393
1394 wm8400_add_controls(codec);
1395 wm8400_add_widgets(codec);
1396
1397 ret = snd_soc_init_card(socdev);
1398 if (ret < 0) {
1399 dev_err(&pdev->dev, "failed to register card\n");
1400 goto card_err;
1401 }
1402
1403 return ret;
1404
1405card_err:
1406 snd_soc_free_pcms(socdev);
1407 snd_soc_dapm_free(socdev);
1408pcm_err:
1409 return ret;
1410}
1411
1412/* power down chip */
1413static int wm8400_remove(struct platform_device *pdev)
1414{
1415 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1416
1417 snd_soc_free_pcms(socdev);
1418 snd_soc_dapm_free(socdev);
1419
1420 return 0;
1421}
1422
1423struct snd_soc_codec_device soc_codec_dev_wm8400 = {
1424 .probe = wm8400_probe,
1425 .remove = wm8400_remove,
1426 .suspend = wm8400_suspend,
1427 .resume = wm8400_resume,
1428};
1429
1430static void wm8400_probe_deferred(struct work_struct *work)
1431{
1432 struct wm8400_priv *priv = container_of(work, struct wm8400_priv,
1433 work);
1434 struct snd_soc_codec *codec = &priv->codec;
1435 int ret;
1436
1437 /* charge output caps */
1438 wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1439
1440 /* We're done, tell the subsystem. */
1441 ret = snd_soc_register_codec(codec);
1442 if (ret != 0) {
1443 dev_err(priv->wm8400->dev,
1444 "Failed to register codec: %d\n", ret);
1445 goto err;
1446 }
1447
1448 ret = snd_soc_register_dai(&wm8400_dai);
1449 if (ret != 0) {
1450 dev_err(priv->wm8400->dev,
1451 "Failed to register DAI: %d\n", ret);
1452 goto err_codec;
1453 }
1454
1455 return;
1456
1457err_codec:
1458 snd_soc_unregister_codec(codec);
1459err:
1460 wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
1461}
1462
1463static int wm8400_codec_probe(struct platform_device *dev)
1464{
1465 struct wm8400_priv *priv;
1466 int ret;
1467 u16 reg;
1468 struct snd_soc_codec *codec;
1469
1470 priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL);
1471 if (priv == NULL)
1472 return -ENOMEM;
1473
1474 codec = &priv->codec;
1475 codec->private_data = priv;
1476 codec->control_data = dev->dev.driver_data;
1477 priv->wm8400 = dev->dev.driver_data;
1478
1479 ret = regulator_bulk_get(priv->wm8400->dev,
1480 ARRAY_SIZE(power), &power[0]);
1481 if (ret != 0) {
1482 dev_err(&dev->dev, "Failed to get regulators: %d\n", ret);
1483 goto err;
1484 }
1485
1486 codec->dev = &dev->dev;
1487 wm8400_dai.dev = &dev->dev;
1488
1489 codec->name = "WM8400";
1490 codec->owner = THIS_MODULE;
1491 codec->read = wm8400_read;
1492 codec->write = wm8400_write;
1493 codec->bias_level = SND_SOC_BIAS_OFF;
1494 codec->set_bias_level = wm8400_set_bias_level;
1495 codec->dai = &wm8400_dai;
1496 codec->num_dai = 1;
1497 codec->reg_cache_size = WM8400_REGISTER_COUNT;
1498 mutex_init(&codec->mutex);
1499 INIT_LIST_HEAD(&codec->dapm_widgets);
1500 INIT_LIST_HEAD(&codec->dapm_paths);
1501 INIT_WORK(&priv->work, wm8400_probe_deferred);
1502
1503 wm8400_codec_reset(codec);
1504
1505 reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1506 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
1507
1508 /* Latch volume update bits */
1509 reg = wm8400_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
1510 wm8400_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
1511 reg & WM8400_IPVU);
1512 reg = wm8400_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
1513 wm8400_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
1514 reg & WM8400_IPVU);
1515
1516 wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1517 wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1518
1519 wm8400_codec = codec;
1520
1521 if (!schedule_work(&priv->work)) {
1522 ret = -EINVAL;
1523 goto err_regulator;
1524 }
1525
1526 return 0;
1527
1528err_regulator:
1529 wm8400_codec = NULL;
1530 regulator_bulk_free(ARRAY_SIZE(power), power);
1531err:
1532 kfree(priv);
1533 return ret;
1534}
1535
1536static int __exit wm8400_codec_remove(struct platform_device *dev)
1537{
1538 struct wm8400_priv *priv = wm8400_codec->private_data;
1539 u16 reg;
1540
1541 snd_soc_unregister_dai(&wm8400_dai);
1542 snd_soc_unregister_codec(wm8400_codec);
1543
1544 reg = wm8400_read(wm8400_codec, WM8400_POWER_MANAGEMENT_1);
1545 wm8400_write(wm8400_codec, WM8400_POWER_MANAGEMENT_1,
1546 reg & (~WM8400_CODEC_ENA));
1547
1548 regulator_bulk_free(ARRAY_SIZE(power), power);
1549 kfree(priv);
1550
1551 wm8400_codec = NULL;
1552
1553 return 0;
1554}
1555
1556static struct platform_driver wm8400_codec_driver = {
1557 .driver = {
1558 .name = "wm8400-codec",
1559 .owner = THIS_MODULE,
1560 },
1561 .probe = wm8400_codec_probe,
1562 .remove = __exit_p(wm8400_codec_remove),
1563};
1564
1565static int __init wm8400_codec_init(void)
1566{
1567 return platform_driver_register(&wm8400_codec_driver);
1568}
1569module_init(wm8400_codec_init);
1570
1571static void __exit wm8400_codec_exit(void)
1572{
1573 platform_driver_unregister(&wm8400_codec_driver);
1574}
1575module_exit(wm8400_codec_exit);
1576
1577EXPORT_SYMBOL_GPL(soc_codec_dev_wm8400);
1578
1579MODULE_DESCRIPTION("ASoC WM8400 driver");
1580MODULE_AUTHOR("Mark Brown");
1581MODULE_LICENSE("GPL");
1582MODULE_ALIAS("platform:wm8400-codec");
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-25 17:17:48 -0500