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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-03-10 06:55:15 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-03-11 09:49:46 -0400
commitaaf1e176fa9a96fe1eea33b710684bba066aedc1 (patch)
tree931a0284f060880c302e7c4eaa42cc507ca71ac2 /sound/soc/codecs/wm8400.c
parent5706d5013212c8afcb9fe5332ee6442488280c66 (diff)
ASoC: Add initial driver for the WM8400 CODEC
The WM8400 is a highly integrated audio CODEC and power management unit intended for mobile multimedia application. This driver supports the primary audio CODEC features, including: - 1W speaker driver - Fully differential headphone output - Up to 4 differential microphone inputs Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8400.c')
-rw-r--r--sound/soc/codecs/wm8400.c1479
1 files changed, 1479 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c
new file mode 100644
index 000000000000..9cb73d9d023d
--- /dev/null
+++ b/sound/soc/codecs/wm8400.c
@@ -0,0 +1,1479 @@
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 = "FLLVDD",
53 },
54 {
55 .supply = "HPVDD",
56 },
57 {
58 .supply = "SPKVDD",
59 },
60};
61
62/* codec private data */
63struct wm8400_priv {
64 struct snd_soc_codec codec;
65 struct wm8400 *wm8400;
66 u16 fake_register;
67 unsigned int sysclk;
68 unsigned int pcmclk;
69 struct work_struct work;
70};
71
72static inline unsigned int wm8400_read(struct snd_soc_codec *codec,
73 unsigned int reg)
74{
75 struct wm8400_priv *wm8400 = codec->private_data;
76
77 if (reg == WM8400_INTDRIVBITS)
78 return wm8400->fake_register;
79 else
80 return wm8400_reg_read(wm8400->wm8400, reg);
81}
82
83/*
84 * write to the wm8400 register space
85 */
86static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg,
87 unsigned int value)
88{
89 struct wm8400_priv *wm8400 = codec->private_data;
90
91 if (reg == WM8400_INTDRIVBITS) {
92 wm8400->fake_register = value;
93 return 0;
94 } else
95 return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value);
96}
97
98static void wm8400_codec_reset(struct snd_soc_codec *codec)
99{
100 struct wm8400_priv *wm8400 = codec->private_data;
101
102 wm8400_reset_codec_reg_cache(wm8400->wm8400);
103}
104
105static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
106
107static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
108
109static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, -2100, 0);
110
111static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
112
113static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
114
115static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
116
117static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
118
119static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
120
121static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
122 struct snd_ctl_elem_value *ucontrol)
123{
124 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
125 struct soc_mixer_control *mc =
126 (struct soc_mixer_control *)kcontrol->private_value;
127 int reg = mc->reg;
128 int ret;
129 u16 val;
130
131 ret = snd_soc_put_volsw(kcontrol, ucontrol);
132 if (ret < 0)
133 return ret;
134
135 /* now hit the volume update bits (always bit 8) */
136 val = wm8400_read(codec, reg);
137 return wm8400_write(codec, reg, val | 0x0100);
138}
139
140#define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
141{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
142 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
143 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
144 .tlv.p = (tlv_array), \
145 .info = snd_soc_info_volsw, \
146 .get = snd_soc_get_volsw, .put = wm8400_outpga_put_volsw_vu, \
147 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
148
149
150static const char *wm8400_digital_sidetone[] =
151 {"None", "Left ADC", "Right ADC", "Reserved"};
152
153static const struct soc_enum wm8400_left_digital_sidetone_enum =
154SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
155 WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone);
156
157static const struct soc_enum wm8400_right_digital_sidetone_enum =
158SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
159 WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone);
160
161static const char *wm8400_adcmode[] =
162 {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
163
164static const struct soc_enum wm8400_right_adcmode_enum =
165SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode);
166
167static const struct snd_kcontrol_new wm8400_snd_controls[] = {
168/* INMIXL */
169SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
170 1, 0),
171SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
172 1, 0),
173/* INMIXR */
174SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
175 1, 0),
176SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
177 1, 0),
178
179/* LOMIX */
180SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
181 WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
182SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
183 WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
184SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
185 WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
186SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
187 WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
188SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
189 WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
190SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
191 WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
192
193/* ROMIX */
194SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
195 WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
196SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
197 WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
198SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
199 WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
200SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
201 WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
202SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
203 WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
204SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
205 WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
206
207/* LOUT */
208WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
209 WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
210SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
211
212/* ROUT */
213WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
214 WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
215SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
216
217/* LOPGA */
218WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
219 WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
220SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
221 WM8400_LOPGAZC_SHIFT, 1, 0),
222
223/* ROPGA */
224WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
225 WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
226SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
227 WM8400_ROPGAZC_SHIFT, 1, 0),
228
229SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
230 WM8400_LONMUTE_SHIFT, 1, 0),
231SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
232 WM8400_LOPMUTE_SHIFT, 1, 0),
233SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
234 WM8400_LOATTN_SHIFT, 1, 0),
235SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
236 WM8400_RONMUTE_SHIFT, 1, 0),
237SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
238 WM8400_ROPMUTE_SHIFT, 1, 0),
239SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
240 WM8400_ROATTN_SHIFT, 1, 0),
241
242SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
243 WM8400_OUT3MUTE_SHIFT, 1, 0),
244SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
245 WM8400_OUT3ATTN_SHIFT, 1, 0),
246
247SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
248 WM8400_OUT4MUTE_SHIFT, 1, 0),
249SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
250 WM8400_OUT4ATTN_SHIFT, 1, 0),
251
252SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
253 WM8400_CDMODE_SHIFT, 1, 0),
254
255SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
256 WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
257SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
258 WM8400_DCGAIN_SHIFT, 6, 0),
259SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
260 WM8400_ACGAIN_SHIFT, 6, 0),
261
262WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
263 WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
264 127, 0, out_dac_tlv),
265
266WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
267 WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
268 127, 0, out_dac_tlv),
269
270SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
271SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
272
273SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
274 WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
275SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
276 WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
277
278SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
279 WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
280
281SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
282
283WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
284 WM8400_LEFT_ADC_DIGITAL_VOLUME,
285 WM8400_ADCL_VOL_SHIFT,
286 WM8400_ADCL_VOL_MASK,
287 0,
288 in_adc_tlv),
289
290WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
291 WM8400_RIGHT_ADC_DIGITAL_VOLUME,
292 WM8400_ADCR_VOL_SHIFT,
293 WM8400_ADCR_VOL_MASK,
294 0,
295 in_adc_tlv),
296
297WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
298 WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
299 WM8400_LIN12VOL_SHIFT,
300 WM8400_LIN12VOL_MASK,
301 0,
302 in_pga_tlv),
303
304SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
305 WM8400_LI12ZC_SHIFT, 1, 0),
306
307SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
308 WM8400_LI12MUTE_SHIFT, 1, 0),
309
310WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
311 WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
312 WM8400_LIN34VOL_SHIFT,
313 WM8400_LIN34VOL_MASK,
314 0,
315 in_pga_tlv),
316
317SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
318 WM8400_LI34ZC_SHIFT, 1, 0),
319
320SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
321 WM8400_LI34MUTE_SHIFT, 1, 0),
322
323WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
324 WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
325 WM8400_RIN12VOL_SHIFT,
326 WM8400_RIN12VOL_MASK,
327 0,
328 in_pga_tlv),
329
330SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
331 WM8400_RI12ZC_SHIFT, 1, 0),
332
333SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
334 WM8400_RI12MUTE_SHIFT, 1, 0),
335
336WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
337 WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
338 WM8400_RIN34VOL_SHIFT,
339 WM8400_RIN34VOL_MASK,
340 0,
341 in_pga_tlv),
342
343SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
344 WM8400_RI34ZC_SHIFT, 1, 0),
345
346SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
347 WM8400_RI34MUTE_SHIFT, 1, 0),
348
349};
350
351/* add non dapm controls */
352static int wm8400_add_controls(struct snd_soc_codec *codec)
353{
354 int err, i;
355
356 for (i = 0; i < ARRAY_SIZE(wm8400_snd_controls); i++) {
357 err = snd_ctl_add(codec->card,
358 snd_soc_cnew(&wm8400_snd_controls[i],codec,
359 NULL));
360 if (err < 0)
361 return err;
362 }
363 return 0;
364}
365
366/*
367 * _DAPM_ Controls
368 */
369
370static int inmixer_event (struct snd_soc_dapm_widget *w,
371 struct snd_kcontrol *kcontrol, int event)
372{
373 u16 reg, fakepower;
374
375 reg = wm8400_read(w->codec, WM8400_POWER_MANAGEMENT_2);
376 fakepower = wm8400_read(w->codec, WM8400_INTDRIVBITS);
377
378 if (fakepower & ((1 << WM8400_INMIXL_PWR) |
379 (1 << WM8400_AINLMUX_PWR))) {
380 reg |= WM8400_AINL_ENA;
381 } else {
382 reg &= ~WM8400_AINL_ENA;
383 }
384
385 if (fakepower & ((1 << WM8400_INMIXR_PWR) |
386 (1 << WM8400_AINRMUX_PWR))) {
387 reg |= WM8400_AINR_ENA;
388 } else {
389 reg &= ~WM8400_AINL_ENA;
390 }
391 wm8400_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg);
392
393 return 0;
394}
395
396static int outmixer_event (struct snd_soc_dapm_widget *w,
397 struct snd_kcontrol * kcontrol, int event)
398{
399 struct soc_mixer_control *mc =
400 (struct soc_mixer_control *)kcontrol->private_value;
401 u32 reg_shift = mc->shift;
402 int ret = 0;
403 u16 reg;
404
405 switch (reg_shift) {
406 case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
407 reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER1);
408 if (reg & WM8400_LDLO) {
409 printk(KERN_WARNING
410 "Cannot set as Output Mixer 1 LDLO Set\n");
411 ret = -1;
412 }
413 break;
414 case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
415 reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER2);
416 if (reg & WM8400_RDRO) {
417 printk(KERN_WARNING
418 "Cannot set as Output Mixer 2 RDRO Set\n");
419 ret = -1;
420 }
421 break;
422 case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
423 reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
424 if (reg & WM8400_LDSPK) {
425 printk(KERN_WARNING
426 "Cannot set as Speaker Mixer LDSPK Set\n");
427 ret = -1;
428 }
429 break;
430 case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
431 reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
432 if (reg & WM8400_RDSPK) {
433 printk(KERN_WARNING
434 "Cannot set as Speaker Mixer RDSPK Set\n");
435 ret = -1;
436 }
437 break;
438 }
439
440 return ret;
441}
442
443/* INMIX dB values */
444static const unsigned int in_mix_tlv[] = {
445 TLV_DB_RANGE_HEAD(1),
446 0,7, TLV_DB_LINEAR_ITEM(-1200, 600),
447};
448
449/* Left In PGA Connections */
450static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
451SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
452SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
453};
454
455static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
456SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
457SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
458};
459
460/* Right In PGA Connections */
461static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
462SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
463SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
464};
465
466static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
467SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
468SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
469};
470
471/* INMIXL */
472static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
473SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
474 WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
475SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
476 7, 0, in_mix_tlv),
477SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
478 1, 0),
479SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
480 1, 0),
481};
482
483/* INMIXR */
484static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
485SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
486 WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
487SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
488 7, 0, in_mix_tlv),
489SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
490 1, 0),
491SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
492 1, 0),
493};
494
495/* AINLMUX */
496static const char *wm8400_ainlmux[] =
497 {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
498
499static const struct soc_enum wm8400_ainlmux_enum =
500SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT,
501 ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux);
502
503static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
504SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
505
506/* DIFFINL */
507
508/* AINRMUX */
509static const char *wm8400_ainrmux[] =
510 {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
511
512static const struct soc_enum wm8400_ainrmux_enum =
513SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT,
514 ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux);
515
516static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
517SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
518
519/* RXVOICE */
520static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = {
521SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT,
522 WM8400_LR4BVOL_MASK, 0, in_mix_tlv),
523SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT,
524 WM8400_RL4BVOL_MASK, 0, in_mix_tlv),
525};
526
527/* LOMIX */
528static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
529SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
530 WM8400_LRBLO_SHIFT, 1, 0),
531SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
532 WM8400_LLBLO_SHIFT, 1, 0),
533SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
534 WM8400_LRI3LO_SHIFT, 1, 0),
535SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
536 WM8400_LLI3LO_SHIFT, 1, 0),
537SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
538 WM8400_LR12LO_SHIFT, 1, 0),
539SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
540 WM8400_LL12LO_SHIFT, 1, 0),
541SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
542 WM8400_LDLO_SHIFT, 1, 0),
543};
544
545/* ROMIX */
546static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
547SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
548 WM8400_RLBRO_SHIFT, 1, 0),
549SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
550 WM8400_RRBRO_SHIFT, 1, 0),
551SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
552 WM8400_RLI3RO_SHIFT, 1, 0),
553SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
554 WM8400_RRI3RO_SHIFT, 1, 0),
555SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
556 WM8400_RL12RO_SHIFT, 1, 0),
557SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
558 WM8400_RR12RO_SHIFT, 1, 0),
559SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
560 WM8400_RDRO_SHIFT, 1, 0),
561};
562
563/* LONMIX */
564static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
565SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
566 WM8400_LLOPGALON_SHIFT, 1, 0),
567SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
568 WM8400_LROPGALON_SHIFT, 1, 0),
569SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
570 WM8400_LOPLON_SHIFT, 1, 0),
571};
572
573/* LOPMIX */
574static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
575SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
576 WM8400_LR12LOP_SHIFT, 1, 0),
577SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
578 WM8400_LL12LOP_SHIFT, 1, 0),
579SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
580 WM8400_LLOPGALOP_SHIFT, 1, 0),
581};
582
583/* RONMIX */
584static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
585SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
586 WM8400_RROPGARON_SHIFT, 1, 0),
587SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
588 WM8400_RLOPGARON_SHIFT, 1, 0),
589SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
590 WM8400_ROPRON_SHIFT, 1, 0),
591};
592
593/* ROPMIX */
594static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
595SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
596 WM8400_RL12ROP_SHIFT, 1, 0),
597SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
598 WM8400_RR12ROP_SHIFT, 1, 0),
599SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
600 WM8400_RROPGAROP_SHIFT, 1, 0),
601};
602
603/* OUT3MIX */
604static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
605SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
606 WM8400_LI4O3_SHIFT, 1, 0),
607SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
608 WM8400_LPGAO3_SHIFT, 1, 0),
609};
610
611/* OUT4MIX */
612static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
613SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
614 WM8400_RPGAO4_SHIFT, 1, 0),
615SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
616 WM8400_RI4O4_SHIFT, 1, 0),
617};
618
619/* SPKMIX */
620static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
621SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
622 WM8400_LI2SPK_SHIFT, 1, 0),
623SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
624 WM8400_LB2SPK_SHIFT, 1, 0),
625SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
626 WM8400_LOPGASPK_SHIFT, 1, 0),
627SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
628 WM8400_LDSPK_SHIFT, 1, 0),
629SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
630 WM8400_RDSPK_SHIFT, 1, 0),
631SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
632 WM8400_ROPGASPK_SHIFT, 1, 0),
633SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
634 WM8400_RL12ROP_SHIFT, 1, 0),
635SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
636 WM8400_RI2SPK_SHIFT, 1, 0),
637};
638
639static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
640/* Input Side */
641/* Input Lines */
642SND_SOC_DAPM_INPUT("LIN1"),
643SND_SOC_DAPM_INPUT("LIN2"),
644SND_SOC_DAPM_INPUT("LIN3"),
645SND_SOC_DAPM_INPUT("LIN4/RXN"),
646SND_SOC_DAPM_INPUT("RIN3"),
647SND_SOC_DAPM_INPUT("RIN4/RXP"),
648SND_SOC_DAPM_INPUT("RIN1"),
649SND_SOC_DAPM_INPUT("RIN2"),
650SND_SOC_DAPM_INPUT("Internal ADC Source"),
651
652/* DACs */
653SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
654 WM8400_ADCL_ENA_SHIFT, 0),
655SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
656 WM8400_ADCR_ENA_SHIFT, 0),
657
658/* Input PGAs */
659SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
660 WM8400_LIN12_ENA_SHIFT,
661 0, &wm8400_dapm_lin12_pga_controls[0],
662 ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
663SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
664 WM8400_LIN34_ENA_SHIFT,
665 0, &wm8400_dapm_lin34_pga_controls[0],
666 ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
667SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
668 WM8400_RIN12_ENA_SHIFT,
669 0, &wm8400_dapm_rin12_pga_controls[0],
670 ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
671SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
672 WM8400_RIN34_ENA_SHIFT,
673 0, &wm8400_dapm_rin34_pga_controls[0],
674 ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
675
676/* INMIXL */
677SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0,
678 &wm8400_dapm_inmixl_controls[0],
679 ARRAY_SIZE(wm8400_dapm_inmixl_controls),
680 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
681
682/* AINLMUX */
683SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0,
684 &wm8400_dapm_ainlmux_controls, inmixer_event,
685 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
686
687/* INMIXR */
688SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0,
689 &wm8400_dapm_inmixr_controls[0],
690 ARRAY_SIZE(wm8400_dapm_inmixr_controls),
691 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
692
693/* AINRMUX */
694SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0,
695 &wm8400_dapm_ainrmux_controls, inmixer_event,
696 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
697
698/* Output Side */
699/* DACs */
700SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
701 WM8400_DACL_ENA_SHIFT, 0),
702SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
703 WM8400_DACR_ENA_SHIFT, 0),
704
705/* LOMIX */
706SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
707 WM8400_LOMIX_ENA_SHIFT,
708 0, &wm8400_dapm_lomix_controls[0],
709 ARRAY_SIZE(wm8400_dapm_lomix_controls),
710 outmixer_event, SND_SOC_DAPM_PRE_REG),
711
712/* LONMIX */
713SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
714 0, &wm8400_dapm_lonmix_controls[0],
715 ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
716
717/* LOPMIX */
718SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
719 0, &wm8400_dapm_lopmix_controls[0],
720 ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
721
722/* OUT3MIX */
723SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
724 0, &wm8400_dapm_out3mix_controls[0],
725 ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
726
727/* SPKMIX */
728SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
729 0, &wm8400_dapm_spkmix_controls[0],
730 ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
731 SND_SOC_DAPM_PRE_REG),
732
733/* OUT4MIX */
734SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
735 0, &wm8400_dapm_out4mix_controls[0],
736 ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
737
738/* ROPMIX */
739SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
740 0, &wm8400_dapm_ropmix_controls[0],
741 ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
742
743/* RONMIX */
744SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
745 0, &wm8400_dapm_ronmix_controls[0],
746 ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
747
748/* ROMIX */
749SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
750 WM8400_ROMIX_ENA_SHIFT,
751 0, &wm8400_dapm_romix_controls[0],
752 ARRAY_SIZE(wm8400_dapm_romix_controls),
753 outmixer_event, SND_SOC_DAPM_PRE_REG),
754
755/* LOUT PGA */
756SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
757 0, NULL, 0),
758
759/* ROUT PGA */
760SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
761 0, NULL, 0),
762
763/* LOPGA */
764SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
765 NULL, 0),
766
767/* ROPGA */
768SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
769 NULL, 0),
770
771/* MICBIAS */
772SND_SOC_DAPM_MICBIAS("MICBIAS", WM8400_POWER_MANAGEMENT_1,
773 WM8400_MIC1BIAS_ENA_SHIFT, 0),
774
775SND_SOC_DAPM_OUTPUT("LON"),
776SND_SOC_DAPM_OUTPUT("LOP"),
777SND_SOC_DAPM_OUTPUT("OUT3"),
778SND_SOC_DAPM_OUTPUT("LOUT"),
779SND_SOC_DAPM_OUTPUT("SPKN"),
780SND_SOC_DAPM_OUTPUT("SPKP"),
781SND_SOC_DAPM_OUTPUT("ROUT"),
782SND_SOC_DAPM_OUTPUT("OUT4"),
783SND_SOC_DAPM_OUTPUT("ROP"),
784SND_SOC_DAPM_OUTPUT("RON"),
785
786SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
787};
788
789static const struct snd_soc_dapm_route audio_map[] = {
790 /* Make DACs turn on when playing even if not mixed into any outputs */
791 {"Internal DAC Sink", NULL, "Left DAC"},
792 {"Internal DAC Sink", NULL, "Right DAC"},
793
794 /* Make ADCs turn on when recording
795 * even if not mixed from any inputs */
796 {"Left ADC", NULL, "Internal ADC Source"},
797 {"Right ADC", NULL, "Internal ADC Source"},
798
799 /* Input Side */
800 /* LIN12 PGA */
801 {"LIN12 PGA", "LIN1 Switch", "LIN1"},
802 {"LIN12 PGA", "LIN2 Switch", "LIN2"},
803 /* LIN34 PGA */
804 {"LIN34 PGA", "LIN3 Switch", "LIN3"},
805 {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
806 /* INMIXL */
807 {"INMIXL", "Record Left Volume", "LOMIX"},
808 {"INMIXL", "LIN2 Volume", "LIN2"},
809 {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
810 {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
811 /* AILNMUX */
812 {"AILNMUX", "INMIXL Mix", "INMIXL"},
813 {"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
814 {"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
815 {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
816 {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
817 /* ADC */
818 {"Left ADC", NULL, "AILNMUX"},
819
820 /* RIN12 PGA */
821 {"RIN12 PGA", "RIN1 Switch", "RIN1"},
822 {"RIN12 PGA", "RIN2 Switch", "RIN2"},
823 /* RIN34 PGA */
824 {"RIN34 PGA", "RIN3 Switch", "RIN3"},
825 {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
826 /* INMIXL */
827 {"INMIXR", "Record Right Volume", "ROMIX"},
828 {"INMIXR", "RIN2 Volume", "RIN2"},
829 {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
830 {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
831 /* AIRNMUX */
832 {"AIRNMUX", "INMIXR Mix", "INMIXR"},
833 {"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
834 {"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
835 {"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
836 {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
837 /* ADC */
838 {"Right ADC", NULL, "AIRNMUX"},
839
840 /* LOMIX */
841 {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
842 {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
843 {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
844 {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
845 {"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
846 {"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
847 {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
848
849 /* ROMIX */
850 {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
851 {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
852 {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
853 {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
854 {"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
855 {"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
856 {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
857
858 /* SPKMIX */
859 {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
860 {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
861 {"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
862 {"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
863 {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
864 {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
865 {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
866 {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
867
868 /* LONMIX */
869 {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
870 {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
871 {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
872
873 /* LOPMIX */
874 {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
875 {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
876 {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
877
878 /* OUT3MIX */
879 {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
880 {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
881
882 /* OUT4MIX */
883 {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
884 {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
885
886 /* RONMIX */
887 {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
888 {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
889 {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
890
891 /* ROPMIX */
892 {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
893 {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
894 {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
895
896 /* Out Mixer PGAs */
897 {"LOPGA", NULL, "LOMIX"},
898 {"ROPGA", NULL, "ROMIX"},
899
900 {"LOUT PGA", NULL, "LOMIX"},
901 {"ROUT PGA", NULL, "ROMIX"},
902
903 /* Output Pins */
904 {"LON", NULL, "LONMIX"},
905 {"LOP", NULL, "LOPMIX"},
906 {"OUT3", NULL, "OUT3MIX"},
907 {"LOUT", NULL, "LOUT PGA"},
908 {"SPKN", NULL, "SPKMIX"},
909 {"ROUT", NULL, "ROUT PGA"},
910 {"OUT4", NULL, "OUT4MIX"},
911 {"ROP", NULL, "ROPMIX"},
912 {"RON", NULL, "RONMIX"},
913};
914
915static int wm8400_add_widgets(struct snd_soc_codec *codec)
916{
917 snd_soc_dapm_new_controls(codec, wm8400_dapm_widgets,
918 ARRAY_SIZE(wm8400_dapm_widgets));
919
920 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
921
922 snd_soc_dapm_new_widgets(codec);
923 return 0;
924}
925
926/*
927 * Clock after FLL and dividers
928 */
929static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
930 int clk_id, unsigned int freq, int dir)
931{
932 struct snd_soc_codec *codec = codec_dai->codec;
933 struct wm8400_priv *wm8400 = codec->private_data;
934
935 wm8400->sysclk = freq;
936 return 0;
937}
938
939/*
940 * Sets ADC and Voice DAC format.
941 */
942static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
943 unsigned int fmt)
944{
945 struct snd_soc_codec *codec = codec_dai->codec;
946 u16 audio1, audio3;
947
948 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
949 audio3 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_3);
950
951 /* set master/slave audio interface */
952 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
953 case SND_SOC_DAIFMT_CBS_CFS:
954 audio3 &= ~WM8400_AIF_MSTR1;
955 break;
956 case SND_SOC_DAIFMT_CBM_CFM:
957 audio3 |= WM8400_AIF_MSTR1;
958 break;
959 default:
960 return -EINVAL;
961 }
962
963 audio1 &= ~WM8400_AIF_FMT_MASK;
964
965 /* interface format */
966 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
967 case SND_SOC_DAIFMT_I2S:
968 audio1 |= WM8400_AIF_FMT_I2S;
969 audio1 &= ~WM8400_AIF_LRCLK_INV;
970 break;
971 case SND_SOC_DAIFMT_RIGHT_J:
972 audio1 |= WM8400_AIF_FMT_RIGHTJ;
973 audio1 &= ~WM8400_AIF_LRCLK_INV;
974 break;
975 case SND_SOC_DAIFMT_LEFT_J:
976 audio1 |= WM8400_AIF_FMT_LEFTJ;
977 audio1 &= ~WM8400_AIF_LRCLK_INV;
978 break;
979 case SND_SOC_DAIFMT_DSP_A:
980 audio1 |= WM8400_AIF_FMT_DSP;
981 audio1 &= ~WM8400_AIF_LRCLK_INV;
982 break;
983 case SND_SOC_DAIFMT_DSP_B:
984 audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
985 break;
986 default:
987 return -EINVAL;
988 }
989
990 wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
991 wm8400_write(codec, WM8400_AUDIO_INTERFACE_3, audio3);
992 return 0;
993}
994
995static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
996 int div_id, int div)
997{
998 struct snd_soc_codec *codec = codec_dai->codec;
999 u16 reg;
1000
1001 switch (div_id) {
1002 case WM8400_MCLK_DIV:
1003 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1004 ~WM8400_MCLK_DIV_MASK;
1005 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1006 break;
1007 case WM8400_DACCLK_DIV:
1008 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1009 ~WM8400_DAC_CLKDIV_MASK;
1010 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1011 break;
1012 case WM8400_ADCCLK_DIV:
1013 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1014 ~WM8400_ADC_CLKDIV_MASK;
1015 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1016 break;
1017 case WM8400_BCLK_DIV:
1018 reg = wm8400_read(codec, WM8400_CLOCKING_1) &
1019 ~WM8400_BCLK_DIV_MASK;
1020 wm8400_write(codec, WM8400_CLOCKING_1, reg | div);
1021 break;
1022 default:
1023 return -EINVAL;
1024 }
1025
1026 return 0;
1027}
1028
1029/*
1030 * Set PCM DAI bit size and sample rate.
1031 */
1032static int wm8400_hw_params(struct snd_pcm_substream *substream,
1033 struct snd_pcm_hw_params *params,
1034 struct snd_soc_dai *dai)
1035{
1036 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1037 struct snd_soc_device *socdev = rtd->socdev;
1038 struct snd_soc_codec *codec = socdev->card->codec;
1039 u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
1040
1041 audio1 &= ~WM8400_AIF_WL_MASK;
1042 /* bit size */
1043 switch (params_format(params)) {
1044 case SNDRV_PCM_FORMAT_S16_LE:
1045 break;
1046 case SNDRV_PCM_FORMAT_S20_3LE:
1047 audio1 |= WM8400_AIF_WL_20BITS;
1048 break;
1049 case SNDRV_PCM_FORMAT_S24_LE:
1050 audio1 |= WM8400_AIF_WL_24BITS;
1051 break;
1052 case SNDRV_PCM_FORMAT_S32_LE:
1053 audio1 |= WM8400_AIF_WL_32BITS;
1054 break;
1055 }
1056
1057 wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1058 return 0;
1059}
1060
1061static int wm8400_mute(struct snd_soc_dai *dai, int mute)
1062{
1063 struct snd_soc_codec *codec = dai->codec;
1064 u16 val = wm8400_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
1065
1066 if (mute)
1067 wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1068 else
1069 wm8400_write(codec, WM8400_DAC_CTRL, val);
1070
1071 return 0;
1072}
1073
1074/* TODO: set bias for best performance at standby */
1075static int wm8400_set_bias_level(struct snd_soc_codec *codec,
1076 enum snd_soc_bias_level level)
1077{
1078 struct wm8400_priv *wm8400 = codec->private_data;
1079 u16 val;
1080 int ret;
1081
1082 switch (level) {
1083 case SND_SOC_BIAS_ON:
1084 break;
1085
1086 case SND_SOC_BIAS_PREPARE:
1087 /* VMID=2*50k */
1088 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
1089 ~WM8400_VMID_MODE_MASK;
1090 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2);
1091 break;
1092
1093 case SND_SOC_BIAS_STANDBY:
1094 if (codec->bias_level == SND_SOC_BIAS_OFF) {
1095 ret = regulator_bulk_enable(ARRAY_SIZE(power),
1096 &power[0]);
1097 if (ret != 0) {
1098 dev_err(wm8400->wm8400->dev,
1099 "Failed to enable regulators: %d\n",
1100 ret);
1101 return ret;
1102 }
1103
1104 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
1105 WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
1106
1107 /* Enable all output discharge bits */
1108 wm8400_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1109 WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1110 WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1111 WM8400_DIS_ROUT);
1112
1113 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1114 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1115 WM8400_BUFDCOPEN | WM8400_POBCTRL);
1116
1117 msleep(500);
1118
1119 /* Enable outputs */
1120 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1121 val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1122 WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1123 WM8400_ROUT_ENA;
1124 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1125
1126 /* disable all output discharge bits */
1127 wm8400_write(codec, WM8400_ANTIPOP1, 0);
1128
1129 /* Enable VREF & VMID at 2x50k */
1130 val |= 0x2 | WM8400_VREF_ENA;
1131 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1132
1133 msleep(600);
1134
1135 /* Enable BUFIOEN */
1136 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1137 WM8400_BUFDCOPEN | WM8400_POBCTRL |
1138 WM8400_BUFIOEN);
1139
1140 /* Disable outputs */
1141 val &= ~(WM8400_SPK_ENA | WM8400_OUT3_ENA |
1142 WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1143 WM8400_ROUT_ENA);
1144 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1145
1146 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1147 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
1148 }
1149
1150 /* VMID=2*300k */
1151 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
1152 ~WM8400_VMID_MODE_MASK;
1153 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4);
1154 break;
1155
1156 case SND_SOC_BIAS_OFF:
1157 /* Enable POBCTRL and SOFT_ST */
1158 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1159 WM8400_POBCTRL | WM8400_BUFIOEN);
1160
1161 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1162 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1163 WM8400_BUFDCOPEN | WM8400_POBCTRL |
1164 WM8400_BUFIOEN);
1165
1166 /* mute DAC */
1167 val = wm8400_read(codec, WM8400_DAC_CTRL);
1168 wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1169
1170 /* Enable any disabled outputs */
1171 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1172 val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1173 WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1174 WM8400_ROUT_ENA;
1175 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1176
1177 /* Disable VMID */
1178 val &= ~WM8400_VMID_MODE_MASK;
1179 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1180
1181 msleep(300);
1182
1183 /* Enable all output discharge bits */
1184 wm8400_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1185 WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1186 WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1187 WM8400_DIS_ROUT);
1188
1189 /* Disable VREF */
1190 val &= ~WM8400_VREF_ENA;
1191 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1192
1193 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1194 wm8400_write(codec, WM8400_ANTIPOP2, 0x0);
1195
1196 ret = regulator_bulk_disable(ARRAY_SIZE(power),
1197 &power[0]);
1198 if (ret != 0)
1199 return ret;
1200
1201 break;
1202 }
1203
1204 codec->bias_level = level;
1205 return 0;
1206}
1207
1208#define WM8400_RATES SNDRV_PCM_RATE_8000_96000
1209
1210#define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1211 SNDRV_PCM_FMTBIT_S24_LE)
1212
1213/*
1214 * The WM8400 supports 2 different and mutually exclusive DAI
1215 * configurations.
1216 *
1217 * 1. ADC/DAC on Primary Interface
1218 * 2. ADC on Primary Interface/DAC on secondary
1219 */
1220struct snd_soc_dai wm8400_dai = {
1221/* ADC/DAC on primary */
1222 .name = "WM8400 ADC/DAC Primary",
1223 .id = 1,
1224 .playback = {
1225 .stream_name = "Playback",
1226 .channels_min = 1,
1227 .channels_max = 2,
1228 .rates = WM8400_RATES,
1229 .formats = WM8400_FORMATS,
1230 },
1231 .capture = {
1232 .stream_name = "Capture",
1233 .channels_min = 1,
1234 .channels_max = 2,
1235 .rates = WM8400_RATES,
1236 .formats = WM8400_FORMATS,
1237 },
1238 .ops = {
1239 .hw_params = wm8400_hw_params,
1240 .digital_mute = wm8400_mute,
1241 .set_fmt = wm8400_set_dai_fmt,
1242 .set_clkdiv = wm8400_set_dai_clkdiv,
1243 .set_sysclk = wm8400_set_dai_sysclk,
1244 },
1245};
1246EXPORT_SYMBOL_GPL(wm8400_dai);
1247
1248static int wm8400_suspend(struct platform_device *pdev, pm_message_t state)
1249{
1250 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1251 struct snd_soc_codec *codec = socdev->card->codec;
1252
1253 wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
1254
1255 return 0;
1256}
1257
1258static int wm8400_resume(struct platform_device *pdev)
1259{
1260 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1261 struct snd_soc_codec *codec = socdev->card->codec;
1262
1263 wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1264
1265 return 0;
1266}
1267
1268static struct snd_soc_codec *wm8400_codec;
1269
1270static int wm8400_probe(struct platform_device *pdev)
1271{
1272 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1273 struct snd_soc_codec *codec;
1274 int ret;
1275
1276 if (!wm8400_codec) {
1277 dev_err(&pdev->dev, "wm8400 not yet discovered\n");
1278 return -ENODEV;
1279 }
1280 codec = wm8400_codec;
1281
1282 socdev->card->codec = codec;
1283
1284 /* register pcms */
1285 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1286 if (ret < 0) {
1287 dev_err(&pdev->dev, "failed to create pcms\n");
1288 goto pcm_err;
1289 }
1290
1291 wm8400_add_controls(codec);
1292 wm8400_add_widgets(codec);
1293
1294 ret = snd_soc_init_card(socdev);
1295 if (ret < 0) {
1296 dev_err(&pdev->dev, "failed to register card\n");
1297 goto card_err;
1298 }
1299
1300 return ret;
1301
1302card_err:
1303 snd_soc_free_pcms(socdev);
1304 snd_soc_dapm_free(socdev);
1305pcm_err:
1306 return ret;
1307}
1308
1309/* power down chip */
1310static int wm8400_remove(struct platform_device *pdev)
1311{
1312 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1313
1314 snd_soc_free_pcms(socdev);
1315 snd_soc_dapm_free(socdev);
1316
1317 return 0;
1318}
1319
1320struct snd_soc_codec_device soc_codec_dev_wm8400 = {
1321 .probe = wm8400_probe,
1322 .remove = wm8400_remove,
1323 .suspend = wm8400_suspend,
1324 .resume = wm8400_resume,
1325};
1326
1327static void wm8400_probe_deferred(struct work_struct *work)
1328{
1329 struct wm8400_priv *priv = container_of(work, struct wm8400_priv,
1330 work);
1331 struct snd_soc_codec *codec = &priv->codec;
1332 int ret;
1333
1334 /* charge output caps */
1335 wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1336
1337 /* We're done, tell the subsystem. */
1338 ret = snd_soc_register_codec(codec);
1339 if (ret != 0) {
1340 dev_err(priv->wm8400->dev,
1341 "Failed to register codec: %d\n", ret);
1342 goto err;
1343 }
1344
1345 ret = snd_soc_register_dai(&wm8400_dai);
1346 if (ret != 0) {
1347 dev_err(priv->wm8400->dev,
1348 "Failed to register DAI: %d\n", ret);
1349 goto err_codec;
1350 }
1351
1352 return;
1353
1354err_codec:
1355 snd_soc_unregister_codec(codec);
1356err:
1357 wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
1358}
1359
1360static int wm8400_codec_probe(struct platform_device *dev)
1361{
1362 struct wm8400_priv *priv;
1363 int ret;
1364 u16 reg;
1365 struct snd_soc_codec *codec;
1366
1367 priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL);
1368 if (priv == NULL)
1369 return -ENOMEM;
1370
1371 codec = &priv->codec;
1372 codec->private_data = priv;
1373 codec->control_data = dev->dev.driver_data;
1374 priv->wm8400 = dev->dev.driver_data;
1375
1376 ret = regulator_bulk_get(priv->wm8400->dev,
1377 ARRAY_SIZE(power), &power[0]);
1378 if (ret != 0) {
1379 dev_err(&dev->dev, "Failed to get regulators: %d\n", ret);
1380 goto err;
1381 }
1382
1383 codec->dev = &dev->dev;
1384 wm8400_dai.dev = &dev->dev;
1385
1386 codec->name = "WM8400";
1387 codec->owner = THIS_MODULE;
1388 codec->read = wm8400_read;
1389 codec->write = wm8400_write;
1390 codec->bias_level = SND_SOC_BIAS_OFF;
1391 codec->set_bias_level = wm8400_set_bias_level;
1392 codec->dai = &wm8400_dai;
1393 codec->num_dai = 1;
1394 codec->reg_cache_size = WM8400_REGISTER_COUNT;
1395 mutex_init(&codec->mutex);
1396 INIT_LIST_HEAD(&codec->dapm_widgets);
1397 INIT_LIST_HEAD(&codec->dapm_paths);
1398 INIT_WORK(&priv->work, wm8400_probe_deferred);
1399
1400 wm8400_codec_reset(codec);
1401
1402 reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1403 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
1404
1405 /* Latch volume update bits */
1406 reg = wm8400_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
1407 wm8400_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
1408 reg & WM8400_IPVU);
1409 reg = wm8400_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
1410 wm8400_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
1411 reg & WM8400_IPVU);
1412
1413 wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1414 wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1415
1416 wm8400_codec = codec;
1417
1418 if (!schedule_work(&priv->work)) {
1419 ret = -EINVAL;
1420 goto err_regulator;
1421 }
1422
1423 return 0;
1424
1425err_regulator:
1426 wm8400_codec = NULL;
1427 regulator_bulk_free(ARRAY_SIZE(power), power);
1428err:
1429 kfree(priv);
1430 return ret;
1431}
1432
1433static int __exit wm8400_codec_remove(struct platform_device *dev)
1434{
1435 struct wm8400_priv *priv = wm8400_codec->private_data;
1436 u16 reg;
1437
1438 snd_soc_unregister_dai(&wm8400_dai);
1439 snd_soc_unregister_codec(wm8400_codec);
1440
1441 reg = wm8400_read(wm8400_codec, WM8400_POWER_MANAGEMENT_1);
1442 wm8400_write(wm8400_codec, WM8400_POWER_MANAGEMENT_1,
1443 reg & (~WM8400_CODEC_ENA));
1444
1445 regulator_bulk_free(ARRAY_SIZE(power), power);
1446 kfree(priv);
1447
1448 wm8400_codec = NULL;
1449
1450 return 0;
1451}
1452
1453static struct platform_driver wm8400_codec_driver = {
1454 .driver = {
1455 .name = "wm8400-codec",
1456 .owner = THIS_MODULE,
1457 },
1458 .probe = wm8400_codec_probe,
1459 .remove = __exit_p(wm8400_codec_remove),
1460};
1461
1462static int __init wm8400_codec_init(void)
1463{
1464 return platform_driver_register(&wm8400_codec_driver);
1465}
1466module_init(wm8400_codec_init);
1467
1468static void __exit wm8400_codec_exit(void)
1469{
1470 platform_driver_unregister(&wm8400_codec_driver);
1471}
1472module_exit(wm8400_codec_exit);
1473
1474EXPORT_SYMBOL_GPL(soc_codec_dev_wm8400);
1475
1476MODULE_DESCRIPTION("ASoC WM8400 driver");
1477MODULE_AUTHOR("Mark Brown");
1478MODULE_LICENSE("GPL");
1479MODULE_ALIAS("platform:wm8400-codec");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-04 02:52:46 -0500