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gerrit-public.fairphone.software / kernel / msm / daf6c4501e048eed56b256401d030d6b28e92ff1 / . / sound / soc / codecs / wm8991.c
blob: 6af23d06870f8a03d1a8a1910577d6a13fef67a3 [file] [log] [blame]
Dimitris Papastamos203db222011-01-14 15:49:40 +0000[diff] [blame]1/*
2 * wm8991.c -- WM8991 ALSA Soc Audio driver
3 *
4 * Copyright 2007-2010 Wolfson Microelectronics PLC.
5 * Author: Graeme Gregory
6 * linux@wolfsonmicro.com
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 */
13
14#include <linux/module.h>
15#include <linux/moduleparam.h>
Dimitris Papastamos203db222011-01-14 15:49:40 +0000[diff] [blame]16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <linux/delay.h>
19#include <linux/pm.h>
20#include <linux/i2c.h>
21#include <linux/platform_device.h>
22#include <linux/slab.h>
23#include <sound/core.h>
24#include <sound/pcm.h>
25#include <sound/pcm_params.h>
26#include <sound/soc.h>
27#include <sound/soc-dapm.h>
28#include <sound/initval.h>
29#include <sound/tlv.h>
30#include <asm/div64.h>
31
32#include "wm8991.h"
33
34struct wm8991_priv {
35 enum snd_soc_control_type control_type;
36 unsigned int pcmclk;
37};
38
39static const u16 wm8991_reg_defs[] = {
40 0x8991, /* R0 - Reset */
41 0x0000, /* R1 - Power Management (1) */
42 0x6000, /* R2 - Power Management (2) */
43 0x0000, /* R3 - Power Management (3) */
44 0x4050, /* R4 - Audio Interface (1) */
45 0x4000, /* R5 - Audio Interface (2) */
46 0x01C8, /* R6 - Clocking (1) */
47 0x0000, /* R7 - Clocking (2) */
48 0x0040, /* R8 - Audio Interface (3) */
49 0x0040, /* R9 - Audio Interface (4) */
50 0x0004, /* R10 - DAC CTRL */
51 0x00C0, /* R11 - Left DAC Digital Volume */
52 0x00C0, /* R12 - Right DAC Digital Volume */
53 0x0000, /* R13 - Digital Side Tone */
54 0x0100, /* R14 - ADC CTRL */
55 0x00C0, /* R15 - Left ADC Digital Volume */
56 0x00C0, /* R16 - Right ADC Digital Volume */
57 0x0000, /* R17 */
58 0x0000, /* R18 - GPIO CTRL 1 */
59 0x1000, /* R19 - GPIO1 & GPIO2 */
60 0x1010, /* R20 - GPIO3 & GPIO4 */
61 0x1010, /* R21 - GPIO5 & GPIO6 */
62 0x8000, /* R22 - GPIOCTRL 2 */
63 0x0800, /* R23 - GPIO_POL */
64 0x008B, /* R24 - Left Line Input 1&2 Volume */
65 0x008B, /* R25 - Left Line Input 3&4 Volume */
66 0x008B, /* R26 - Right Line Input 1&2 Volume */
67 0x008B, /* R27 - Right Line Input 3&4 Volume */
68 0x0000, /* R28 - Left Output Volume */
69 0x0000, /* R29 - Right Output Volume */
70 0x0066, /* R30 - Line Outputs Volume */
71 0x0022, /* R31 - Out3/4 Volume */
72 0x0079, /* R32 - Left OPGA Volume */
73 0x0079, /* R33 - Right OPGA Volume */
74 0x0003, /* R34 - Speaker Volume */
75 0x0003, /* R35 - ClassD1 */
76 0x0000, /* R36 */
77 0x0100, /* R37 - ClassD3 */
78 0x0000, /* R38 */
79 0x0000, /* R39 - Input Mixer1 */
80 0x0000, /* R40 - Input Mixer2 */
81 0x0000, /* R41 - Input Mixer3 */
82 0x0000, /* R42 - Input Mixer4 */
83 0x0000, /* R43 - Input Mixer5 */
84 0x0000, /* R44 - Input Mixer6 */
85 0x0000, /* R45 - Output Mixer1 */
86 0x0000, /* R46 - Output Mixer2 */
87 0x0000, /* R47 - Output Mixer3 */
88 0x0000, /* R48 - Output Mixer4 */
89 0x0000, /* R49 - Output Mixer5 */
90 0x0000, /* R50 - Output Mixer6 */
91 0x0180, /* R51 - Out3/4 Mixer */
92 0x0000, /* R52 - Line Mixer1 */
93 0x0000, /* R53 - Line Mixer2 */
94 0x0000, /* R54 - Speaker Mixer */
95 0x0000, /* R55 - Additional Control */
96 0x0000, /* R56 - AntiPOP1 */
97 0x0000, /* R57 - AntiPOP2 */
98 0x0000, /* R58 - MICBIAS */
99 0x0000, /* R59 */
100 0x0008, /* R60 - PLL1 */
101 0x0031, /* R61 - PLL2 */
102 0x0026, /* R62 - PLL3 */
103};
104
105#define wm8991_reset(c) snd_soc_write(c, WM8991_RESET, 0)
106
107static const unsigned int rec_mix_tlv[] = {
108 TLV_DB_RANGE_HEAD(1),
109 0, 7, TLV_DB_LINEAR_ITEM(-1500, 600),
110};
111
112static const unsigned int in_pga_tlv[] = {
113 TLV_DB_RANGE_HEAD(1),
114 0, 0x1F, TLV_DB_LINEAR_ITEM(-1650, 3000),
115};
116
117static const unsigned int out_mix_tlv[] = {
118 TLV_DB_RANGE_HEAD(1),
119 0, 7, TLV_DB_LINEAR_ITEM(0, -2100),
120};
121
122static const unsigned int out_pga_tlv[] = {
123 TLV_DB_RANGE_HEAD(1),
124 0, 127, TLV_DB_LINEAR_ITEM(-7300, 600),
125};
126
127static const unsigned int out_omix_tlv[] = {
128 TLV_DB_RANGE_HEAD(1),
129 0, 7, TLV_DB_LINEAR_ITEM(-600, 0),
130};
131
132static const unsigned int out_dac_tlv[] = {
133 TLV_DB_RANGE_HEAD(1),
134 0, 255, TLV_DB_LINEAR_ITEM(-7163, 0),
135};
136
137static const unsigned int in_adc_tlv[] = {
138 TLV_DB_RANGE_HEAD(1),
139 0, 255, TLV_DB_LINEAR_ITEM(-7163, 1763),
140};
141
142static const unsigned int out_sidetone_tlv[] = {
143 TLV_DB_RANGE_HEAD(1),
144 0, 31, TLV_DB_LINEAR_ITEM(-3600, 0),
145};
146
147static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
148 struct snd_ctl_elem_value *ucontrol)
149{
150 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
151 int reg = kcontrol->private_value & 0xff;
152 int ret;
153 u16 val;
154
155 ret = snd_soc_put_volsw(kcontrol, ucontrol);
156 if (ret < 0)
157 return ret;
158
159 /* now hit the volume update bits (always bit 8) */
160 val = snd_soc_read(codec, reg);
161 return snd_soc_write(codec, reg, val | 0x0100);
162}
163
164static const char *wm8991_digital_sidetone[] =
165{"None", "Left ADC", "Right ADC", "Reserved"};
166
167static const struct soc_enum wm8991_left_digital_sidetone_enum =
168 SOC_ENUM_SINGLE(WM8991_DIGITAL_SIDE_TONE,
169 WM8991_ADC_TO_DACL_SHIFT,
170 WM8991_ADC_TO_DACL_MASK,
171 wm8991_digital_sidetone);
172
173static const struct soc_enum wm8991_right_digital_sidetone_enum =
174 SOC_ENUM_SINGLE(WM8991_DIGITAL_SIDE_TONE,
175 WM8991_ADC_TO_DACR_SHIFT,
176 WM8991_ADC_TO_DACR_MASK,
177 wm8991_digital_sidetone);
178
179static const char *wm8991_adcmode[] =
180{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
181
182static const struct soc_enum wm8991_right_adcmode_enum =
183 SOC_ENUM_SINGLE(WM8991_ADC_CTRL,
184 WM8991_ADC_HPF_CUT_SHIFT,
185 WM8991_ADC_HPF_CUT_MASK,
186 wm8991_adcmode);
187
188static const struct snd_kcontrol_new wm8991_snd_controls[] = {
189 /* INMIXL */
190 SOC_SINGLE("LIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L12MNBST_BIT, 1, 0),
191 SOC_SINGLE("LIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L34MNBST_BIT, 1, 0),
192 /* INMIXR */
193 SOC_SINGLE("RIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R12MNBST_BIT, 1, 0),
194 SOC_SINGLE("RIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R34MNBST_BIT, 1, 0),
195
196 /* LOMIX */
197 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER3,
198 WM8991_LLI3LOVOL_SHIFT, WM8991_LLI3LOVOL_MASK, 1, out_mix_tlv),
199 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3,
200 WM8991_LR12LOVOL_SHIFT, WM8991_LR12LOVOL_MASK, 1, out_mix_tlv),
201 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3,
202 WM8991_LL12LOVOL_SHIFT, WM8991_LL12LOVOL_MASK, 1, out_mix_tlv),
203 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER5,
204 WM8991_LRI3LOVOL_SHIFT, WM8991_LRI3LOVOL_MASK, 1, out_mix_tlv),
205 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER5,
206 WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv),
207 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER5,
208 WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv),
209
210 /* ROMIX */
211 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER4,
212 WM8991_RRI3ROVOL_SHIFT, WM8991_RRI3ROVOL_MASK, 1, out_mix_tlv),
213 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4,
214 WM8991_RL12ROVOL_SHIFT, WM8991_RL12ROVOL_MASK, 1, out_mix_tlv),
215 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4,
216 WM8991_RR12ROVOL_SHIFT, WM8991_RR12ROVOL_MASK, 1, out_mix_tlv),
217 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER6,
218 WM8991_RLI3ROVOL_SHIFT, WM8991_RLI3ROVOL_MASK, 1, out_mix_tlv),
219 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER6,
220 WM8991_RLBROVOL_SHIFT, WM8991_RLBROVOL_MASK, 1, out_mix_tlv),
221 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER6,
222 WM8991_RRBROVOL_SHIFT, WM8991_RRBROVOL_MASK, 1, out_mix_tlv),
223
224 /* LOUT */
225 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8991_LEFT_OUTPUT_VOLUME,
226 WM8991_LOUTVOL_SHIFT, WM8991_LOUTVOL_MASK, 0, out_pga_tlv),
227 SOC_SINGLE("LOUT ZC", WM8991_LEFT_OUTPUT_VOLUME, WM8991_LOZC_BIT, 1, 0),
228
229 /* ROUT */
230 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8991_RIGHT_OUTPUT_VOLUME,
231 WM8991_ROUTVOL_SHIFT, WM8991_ROUTVOL_MASK, 0, out_pga_tlv),
232 SOC_SINGLE("ROUT ZC", WM8991_RIGHT_OUTPUT_VOLUME, WM8991_ROZC_BIT, 1, 0),
233
234 /* LOPGA */
235 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8991_LEFT_OPGA_VOLUME,
236 WM8991_LOPGAVOL_SHIFT, WM8991_LOPGAVOL_MASK, 0, out_pga_tlv),
237 SOC_SINGLE("LOPGA ZC Switch", WM8991_LEFT_OPGA_VOLUME,
238 WM8991_LOPGAZC_BIT, 1, 0),
239
240 /* ROPGA */
241 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8991_RIGHT_OPGA_VOLUME,
242 WM8991_ROPGAVOL_SHIFT, WM8991_ROPGAVOL_MASK, 0, out_pga_tlv),
243 SOC_SINGLE("ROPGA ZC Switch", WM8991_RIGHT_OPGA_VOLUME,
244 WM8991_ROPGAZC_BIT, 1, 0),
245
246 SOC_SINGLE("LON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
247 WM8991_LONMUTE_BIT, 1, 0),
248 SOC_SINGLE("LOP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
249 WM8991_LOPMUTE_BIT, 1, 0),
250 SOC_SINGLE("LOP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME,
251 WM8991_LOATTN_BIT, 1, 0),
252 SOC_SINGLE("RON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
253 WM8991_RONMUTE_BIT, 1, 0),
254 SOC_SINGLE("ROP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
255 WM8991_ROPMUTE_BIT, 1, 0),
256 SOC_SINGLE("ROP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME,
257 WM8991_ROATTN_BIT, 1, 0),
258
259 SOC_SINGLE("OUT3 Mute Switch", WM8991_OUT3_4_VOLUME,
260 WM8991_OUT3MUTE_BIT, 1, 0),
261 SOC_SINGLE("OUT3 Attenuation Switch", WM8991_OUT3_4_VOLUME,
262 WM8991_OUT3ATTN_BIT, 1, 0),
263
264 SOC_SINGLE("OUT4 Mute Switch", WM8991_OUT3_4_VOLUME,
265 WM8991_OUT4MUTE_BIT, 1, 0),
266 SOC_SINGLE("OUT4 Attenuation Switch", WM8991_OUT3_4_VOLUME,
267 WM8991_OUT4ATTN_BIT, 1, 0),
268
269 SOC_SINGLE("Speaker Mode Switch", WM8991_CLASSD1,
270 WM8991_CDMODE_BIT, 1, 0),
271
272 SOC_SINGLE("Speaker Output Attenuation Volume", WM8991_SPEAKER_VOLUME,
273 WM8991_SPKVOL_SHIFT, WM8991_SPKVOL_MASK, 0),
274 SOC_SINGLE("Speaker DC Boost Volume", WM8991_CLASSD3,
275 WM8991_DCGAIN_SHIFT, WM8991_DCGAIN_MASK, 0),
276 SOC_SINGLE("Speaker AC Boost Volume", WM8991_CLASSD3,
277 WM8991_ACGAIN_SHIFT, WM8991_ACGAIN_MASK, 0),
278
279 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
280 WM8991_LEFT_DAC_DIGITAL_VOLUME,
281 WM8991_DACL_VOL_SHIFT,
282 WM8991_DACL_VOL_MASK,
283 0,
284 out_dac_tlv),
285
286 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
287 WM8991_RIGHT_DAC_DIGITAL_VOLUME,
288 WM8991_DACR_VOL_SHIFT,
289 WM8991_DACR_VOL_MASK,
290 0,
291 out_dac_tlv),
292
293 SOC_ENUM("Left Digital Sidetone", wm8991_left_digital_sidetone_enum),
294 SOC_ENUM("Right Digital Sidetone", wm8991_right_digital_sidetone_enum),
295
296 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE,
297 WM8991_ADCL_DAC_SVOL_SHIFT, WM8991_ADCL_DAC_SVOL_MASK, 0,
298 out_sidetone_tlv),
299 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE,
300 WM8991_ADCR_DAC_SVOL_SHIFT, WM8991_ADCR_DAC_SVOL_MASK, 0,
301 out_sidetone_tlv),
302
303 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8991_ADC_CTRL,
304 WM8991_ADC_HPF_ENA_BIT, 1, 0),
305
306 SOC_ENUM("ADC HPF Mode", wm8991_right_adcmode_enum),
307
308 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
309 WM8991_LEFT_ADC_DIGITAL_VOLUME,
310 WM8991_ADCL_VOL_SHIFT,
311 WM8991_ADCL_VOL_MASK,
312 0,
313 in_adc_tlv),
314
315 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
316 WM8991_RIGHT_ADC_DIGITAL_VOLUME,
317 WM8991_ADCR_VOL_SHIFT,
318 WM8991_ADCR_VOL_MASK,
319 0,
320 in_adc_tlv),
321
322 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
323 WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
324 WM8991_LIN12VOL_SHIFT,
325 WM8991_LIN12VOL_MASK,
326 0,
327 in_pga_tlv),
328
329 SOC_SINGLE("LIN12 ZC Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
330 WM8991_LI12ZC_BIT, 1, 0),
331
332 SOC_SINGLE("LIN12 Mute Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
333 WM8991_LI12MUTE_BIT, 1, 0),
334
335 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
336 WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
337 WM8991_LIN34VOL_SHIFT,
338 WM8991_LIN34VOL_MASK,
339 0,
340 in_pga_tlv),
341
342 SOC_SINGLE("LIN34 ZC Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
343 WM8991_LI34ZC_BIT, 1, 0),
344
345 SOC_SINGLE("LIN34 Mute Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
346 WM8991_LI34MUTE_BIT, 1, 0),
347
348 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
349 WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
350 WM8991_RIN12VOL_SHIFT,
351 WM8991_RIN12VOL_MASK,
352 0,
353 in_pga_tlv),
354
355 SOC_SINGLE("RIN12 ZC Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
356 WM8991_RI12ZC_BIT, 1, 0),
357
358 SOC_SINGLE("RIN12 Mute Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
359 WM8991_RI12MUTE_BIT, 1, 0),
360
361 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
362 WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
363 WM8991_RIN34VOL_SHIFT,
364 WM8991_RIN34VOL_MASK,
365 0,
366 in_pga_tlv),
367
368 SOC_SINGLE("RIN34 ZC Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
369 WM8991_RI34ZC_BIT, 1, 0),
370
371 SOC_SINGLE("RIN34 Mute Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
372 WM8991_RI34MUTE_BIT, 1, 0),
373};
374
375/*
376 * _DAPM_ Controls
377 */
378static int inmixer_event(struct snd_soc_dapm_widget *w,
379 struct snd_kcontrol *kcontrol, int event)
380{
381 u16 reg, fakepower;
382
383 reg = snd_soc_read(w->codec, WM8991_POWER_MANAGEMENT_2);
384 fakepower = snd_soc_read(w->codec, WM8991_INTDRIVBITS);
385
386 if (fakepower & ((1 << WM8991_INMIXL_PWR_BIT) |
387 (1 << WM8991_AINLMUX_PWR_BIT)))
388 reg |= WM8991_AINL_ENA;
389 else
390 reg &= ~WM8991_AINL_ENA;
391
392 if (fakepower & ((1 << WM8991_INMIXR_PWR_BIT) |
393 (1 << WM8991_AINRMUX_PWR_BIT)))
394 reg |= WM8991_AINR_ENA;
395 else
396 reg &= ~WM8991_AINL_ENA;
397
398 snd_soc_write(w->codec, WM8991_POWER_MANAGEMENT_2, reg);
399 return 0;
400}
401
402static int outmixer_event(struct snd_soc_dapm_widget *w,
403 struct snd_kcontrol *kcontrol, int event)
404{
405 u32 reg_shift = kcontrol->private_value & 0xfff;
406 int ret = 0;
407 u16 reg;
408
409 switch (reg_shift) {
410 case WM8991_SPEAKER_MIXER | (WM8991_LDSPK_BIT << 8):
411 reg = snd_soc_read(w->codec, WM8991_OUTPUT_MIXER1);
412 if (reg & WM8991_LDLO) {
413 printk(KERN_WARNING
414 "Cannot set as Output Mixer 1 LDLO Set\n");
415 ret = -1;
416 }
417 break;
418
419 case WM8991_SPEAKER_MIXER | (WM8991_RDSPK_BIT << 8):
420 reg = snd_soc_read(w->codec, WM8991_OUTPUT_MIXER2);
421 if (reg & WM8991_RDRO) {
422 printk(KERN_WARNING
423 "Cannot set as Output Mixer 2 RDRO Set\n");
424 ret = -1;
425 }
426 break;
427
428 case WM8991_OUTPUT_MIXER1 | (WM8991_LDLO_BIT << 8):
429 reg = snd_soc_read(w->codec, WM8991_SPEAKER_MIXER);
430 if (reg & WM8991_LDSPK) {
431 printk(KERN_WARNING
432 "Cannot set as Speaker Mixer LDSPK Set\n");
433 ret = -1;
434 }
435 break;
436
437 case WM8991_OUTPUT_MIXER2 | (WM8991_RDRO_BIT << 8):
438 reg = snd_soc_read(w->codec, WM8991_SPEAKER_MIXER);
439 if (reg & WM8991_RDSPK) {
440 printk(KERN_WARNING
441 "Cannot set as Speaker Mixer RDSPK Set\n");
442 ret = -1;
443 }
444 break;
445 }
446
447 return ret;
448}
449
450/* INMIX dB values */
451static const unsigned int in_mix_tlv[] = {
452 TLV_DB_RANGE_HEAD(1),
453 0, 7, TLV_DB_LINEAR_ITEM(-1200, 600),
454};
455
456/* Left In PGA Connections */
457static const struct snd_kcontrol_new wm8991_dapm_lin12_pga_controls[] = {
458 SOC_DAPM_SINGLE("LIN1 Switch", WM8991_INPUT_MIXER2, WM8991_LMN1_BIT, 1, 0),
459 SOC_DAPM_SINGLE("LIN2 Switch", WM8991_INPUT_MIXER2, WM8991_LMP2_BIT, 1, 0),
460};
461
462static const struct snd_kcontrol_new wm8991_dapm_lin34_pga_controls[] = {
463 SOC_DAPM_SINGLE("LIN3 Switch", WM8991_INPUT_MIXER2, WM8991_LMN3_BIT, 1, 0),
464 SOC_DAPM_SINGLE("LIN4 Switch", WM8991_INPUT_MIXER2, WM8991_LMP4_BIT, 1, 0),
465};
466
467/* Right In PGA Connections */
468static const struct snd_kcontrol_new wm8991_dapm_rin12_pga_controls[] = {
469 SOC_DAPM_SINGLE("RIN1 Switch", WM8991_INPUT_MIXER2, WM8991_RMN1_BIT, 1, 0),
470 SOC_DAPM_SINGLE("RIN2 Switch", WM8991_INPUT_MIXER2, WM8991_RMP2_BIT, 1, 0),
471};
472
473static const struct snd_kcontrol_new wm8991_dapm_rin34_pga_controls[] = {
474 SOC_DAPM_SINGLE("RIN3 Switch", WM8991_INPUT_MIXER2, WM8991_RMN3_BIT, 1, 0),
475 SOC_DAPM_SINGLE("RIN4 Switch", WM8991_INPUT_MIXER2, WM8991_RMP4_BIT, 1, 0),
476};
477
478/* INMIXL */
479static const struct snd_kcontrol_new wm8991_dapm_inmixl_controls[] = {
480 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8991_INPUT_MIXER3,
481 WM8991_LDBVOL_SHIFT, WM8991_LDBVOL_MASK, 0, in_mix_tlv),
482 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8991_INPUT_MIXER5, WM8991_LI2BVOL_SHIFT,
483 7, 0, in_mix_tlv),
484 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT,
485 1, 0),
486 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT,
487 1, 0),
488};
489
490/* INMIXR */
491static const struct snd_kcontrol_new wm8991_dapm_inmixr_controls[] = {
492 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8991_INPUT_MIXER4,
493 WM8991_RDBVOL_SHIFT, WM8991_RDBVOL_MASK, 0, in_mix_tlv),
494 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8991_INPUT_MIXER6, WM8991_RI2BVOL_SHIFT,
495 7, 0, in_mix_tlv),
496 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT,
497 1, 0),
498 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT,
499 1, 0),
500};
501
502/* AINLMUX */
503static const char *wm8991_ainlmux[] =
504{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
505
506static const struct soc_enum wm8991_ainlmux_enum =
507 SOC_ENUM_SINGLE(WM8991_INPUT_MIXER1, WM8991_AINLMODE_SHIFT,
508 ARRAY_SIZE(wm8991_ainlmux), wm8991_ainlmux);
509
510static const struct snd_kcontrol_new wm8991_dapm_ainlmux_controls =
511 SOC_DAPM_ENUM("Route", wm8991_ainlmux_enum);
512
513/* DIFFINL */
514
515/* AINRMUX */
516static const char *wm8991_ainrmux[] =
517{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
518
519static const struct soc_enum wm8991_ainrmux_enum =
520 SOC_ENUM_SINGLE(WM8991_INPUT_MIXER1, WM8991_AINRMODE_SHIFT,
521 ARRAY_SIZE(wm8991_ainrmux), wm8991_ainrmux);
522
523static const struct snd_kcontrol_new wm8991_dapm_ainrmux_controls =
524 SOC_DAPM_ENUM("Route", wm8991_ainrmux_enum);
525
526/* RXVOICE */
527static const struct snd_kcontrol_new wm8991_dapm_rxvoice_controls[] = {
528 SOC_DAPM_SINGLE_TLV("LIN4RXN", WM8991_INPUT_MIXER5, WM8991_LR4BVOL_SHIFT,
529 WM8991_LR4BVOL_MASK, 0, in_mix_tlv),
530 SOC_DAPM_SINGLE_TLV("RIN4RXP", WM8991_INPUT_MIXER6, WM8991_RL4BVOL_SHIFT,
531 WM8991_RL4BVOL_MASK, 0, in_mix_tlv),
532};
533
534/* LOMIX */
535static const struct snd_kcontrol_new wm8991_dapm_lomix_controls[] = {
536 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER1,
537 WM8991_LRBLO_BIT, 1, 0),
538 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER1,
539 WM8991_LLBLO_BIT, 1, 0),
540 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER1,
541 WM8991_LRI3LO_BIT, 1, 0),
542 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER1,
543 WM8991_LLI3LO_BIT, 1, 0),
544 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1,
545 WM8991_LR12LO_BIT, 1, 0),
546 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1,
547 WM8991_LL12LO_BIT, 1, 0),
548 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8991_OUTPUT_MIXER1,
549 WM8991_LDLO_BIT, 1, 0),
550};
551
552/* ROMIX */
553static const struct snd_kcontrol_new wm8991_dapm_romix_controls[] = {
554 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER2,
555 WM8991_RLBRO_BIT, 1, 0),
556 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER2,
557 WM8991_RRBRO_BIT, 1, 0),
558 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER2,
559 WM8991_RLI3RO_BIT, 1, 0),
560 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER2,
561 WM8991_RRI3RO_BIT, 1, 0),
562 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2,
563 WM8991_RL12RO_BIT, 1, 0),
564 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2,
565 WM8991_RR12RO_BIT, 1, 0),
566 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8991_OUTPUT_MIXER2,
567 WM8991_RDRO_BIT, 1, 0),
568};
569
570/* LONMIX */
571static const struct snd_kcontrol_new wm8991_dapm_lonmix_controls[] = {
572 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1,
573 WM8991_LLOPGALON_BIT, 1, 0),
574 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER1,
575 WM8991_LROPGALON_BIT, 1, 0),
576 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8991_LINE_MIXER1,
577 WM8991_LOPLON_BIT, 1, 0),
578};
579
580/* LOPMIX */
581static const struct snd_kcontrol_new wm8991_dapm_lopmix_controls[] = {
582 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER1,
583 WM8991_LR12LOP_BIT, 1, 0),
584 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER1,
585 WM8991_LL12LOP_BIT, 1, 0),
586 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1,
587 WM8991_LLOPGALOP_BIT, 1, 0),
588};
589
590/* RONMIX */
591static const struct snd_kcontrol_new wm8991_dapm_ronmix_controls[] = {
592 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2,
593 WM8991_RROPGARON_BIT, 1, 0),
594 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER2,
595 WM8991_RLOPGARON_BIT, 1, 0),
596 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8991_LINE_MIXER2,
597 WM8991_ROPRON_BIT, 1, 0),
598};
599
600/* ROPMIX */
601static const struct snd_kcontrol_new wm8991_dapm_ropmix_controls[] = {
602 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER2,
603 WM8991_RL12ROP_BIT, 1, 0),
604 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER2,
605 WM8991_RR12ROP_BIT, 1, 0),
606 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2,
607 WM8991_RROPGAROP_BIT, 1, 0),
608};
609
610/* OUT3MIX */
611static const struct snd_kcontrol_new wm8991_dapm_out3mix_controls[] = {
612 SOC_DAPM_SINGLE("OUT3MIX LIN4RXN Bypass Switch", WM8991_OUT3_4_MIXER,
613 WM8991_LI4O3_BIT, 1, 0),
614 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8991_OUT3_4_MIXER,
615 WM8991_LPGAO3_BIT, 1, 0),
616};
617
618/* OUT4MIX */
619static const struct snd_kcontrol_new wm8991_dapm_out4mix_controls[] = {
620 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8991_OUT3_4_MIXER,
621 WM8991_RPGAO4_BIT, 1, 0),
622 SOC_DAPM_SINGLE("OUT4MIX RIN4RXP Bypass Switch", WM8991_OUT3_4_MIXER,
623 WM8991_RI4O4_BIT, 1, 0),
624};
625
626/* SPKMIX */
627static const struct snd_kcontrol_new wm8991_dapm_spkmix_controls[] = {
628 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8991_SPEAKER_MIXER,
629 WM8991_LI2SPK_BIT, 1, 0),
630 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8991_SPEAKER_MIXER,
631 WM8991_LB2SPK_BIT, 1, 0),
632 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8991_SPEAKER_MIXER,
633 WM8991_LOPGASPK_BIT, 1, 0),
634 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8991_SPEAKER_MIXER,
635 WM8991_LDSPK_BIT, 1, 0),
636 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8991_SPEAKER_MIXER,
637 WM8991_RDSPK_BIT, 1, 0),
638 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8991_SPEAKER_MIXER,
639 WM8991_ROPGASPK_BIT, 1, 0),
640 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8991_SPEAKER_MIXER,
641 WM8991_RL12ROP_BIT, 1, 0),
642 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8991_SPEAKER_MIXER,
643 WM8991_RI2SPK_BIT, 1, 0),
644};
645
646static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = {
647 /* Input Side */
648 /* Input Lines */
649 SND_SOC_DAPM_INPUT("LIN1"),
650 SND_SOC_DAPM_INPUT("LIN2"),
651 SND_SOC_DAPM_INPUT("LIN3"),
652 SND_SOC_DAPM_INPUT("LIN4RXN"),
653 SND_SOC_DAPM_INPUT("RIN3"),
654 SND_SOC_DAPM_INPUT("RIN4RXP"),
655 SND_SOC_DAPM_INPUT("RIN1"),
656 SND_SOC_DAPM_INPUT("RIN2"),
657 SND_SOC_DAPM_INPUT("Internal ADC Source"),
658
659 /* DACs */
660 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2,
661 WM8991_ADCL_ENA_BIT, 0),
662 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8991_POWER_MANAGEMENT_2,
663 WM8991_ADCR_ENA_BIT, 0),
664
665 /* Input PGAs */
666 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN12_ENA_BIT,
667 0, &wm8991_dapm_lin12_pga_controls[0],
668 ARRAY_SIZE(wm8991_dapm_lin12_pga_controls)),
669 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN34_ENA_BIT,
670 0, &wm8991_dapm_lin34_pga_controls[0],
671 ARRAY_SIZE(wm8991_dapm_lin34_pga_controls)),
672 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN12_ENA_BIT,
673 0, &wm8991_dapm_rin12_pga_controls[0],
674 ARRAY_SIZE(wm8991_dapm_rin12_pga_controls)),
675 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN34_ENA_BIT,
676 0, &wm8991_dapm_rin34_pga_controls[0],
677 ARRAY_SIZE(wm8991_dapm_rin34_pga_controls)),
678
679 /* INMIXL */
680 SND_SOC_DAPM_MIXER_E("INMIXL", WM8991_INTDRIVBITS, WM8991_INMIXL_PWR_BIT, 0,
681 &wm8991_dapm_inmixl_controls[0],
682 ARRAY_SIZE(wm8991_dapm_inmixl_controls),
683 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
684
685 /* AINLMUX */
686 SND_SOC_DAPM_MUX_E("AINLMUX", WM8991_INTDRIVBITS, WM8991_AINLMUX_PWR_BIT, 0,
687 &wm8991_dapm_ainlmux_controls, inmixer_event,
688 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
689
690 /* INMIXR */
691 SND_SOC_DAPM_MIXER_E("INMIXR", WM8991_INTDRIVBITS, WM8991_INMIXR_PWR_BIT, 0,
692 &wm8991_dapm_inmixr_controls[0],
693 ARRAY_SIZE(wm8991_dapm_inmixr_controls),
694 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
695
696 /* AINRMUX */
697 SND_SOC_DAPM_MUX_E("AINRMUX", WM8991_INTDRIVBITS, WM8991_AINRMUX_PWR_BIT, 0,
698 &wm8991_dapm_ainrmux_controls, inmixer_event,
699 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
700
701 /* Output Side */
702 /* DACs */
703 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8991_POWER_MANAGEMENT_3,
704 WM8991_DACL_ENA_BIT, 0),
705 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8991_POWER_MANAGEMENT_3,
706 WM8991_DACR_ENA_BIT, 0),
707
708 /* LOMIX */
709 SND_SOC_DAPM_MIXER_E("LOMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOMIX_ENA_BIT,
710 0, &wm8991_dapm_lomix_controls[0],
711 ARRAY_SIZE(wm8991_dapm_lomix_controls),
712 outmixer_event, SND_SOC_DAPM_PRE_REG),
713
714 /* LONMIX */
715 SND_SOC_DAPM_MIXER("LONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LON_ENA_BIT, 0,
716 &wm8991_dapm_lonmix_controls[0],
717 ARRAY_SIZE(wm8991_dapm_lonmix_controls)),
718
719 /* LOPMIX */
720 SND_SOC_DAPM_MIXER("LOPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOP_ENA_BIT, 0,
721 &wm8991_dapm_lopmix_controls[0],
722 ARRAY_SIZE(wm8991_dapm_lopmix_controls)),
723
724 /* OUT3MIX */
725 SND_SOC_DAPM_MIXER("OUT3MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT3_ENA_BIT, 0,
726 &wm8991_dapm_out3mix_controls[0],
727 ARRAY_SIZE(wm8991_dapm_out3mix_controls)),
728
729 /* SPKMIX */
730 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8991_POWER_MANAGEMENT_1, WM8991_SPK_ENA_BIT, 0,
731 &wm8991_dapm_spkmix_controls[0],
732 ARRAY_SIZE(wm8991_dapm_spkmix_controls), outmixer_event,
733 SND_SOC_DAPM_PRE_REG),
734
735 /* OUT4MIX */
736 SND_SOC_DAPM_MIXER("OUT4MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT4_ENA_BIT, 0,
737 &wm8991_dapm_out4mix_controls[0],
738 ARRAY_SIZE(wm8991_dapm_out4mix_controls)),
739
740 /* ROPMIX */
741 SND_SOC_DAPM_MIXER("ROPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROP_ENA_BIT, 0,
742 &wm8991_dapm_ropmix_controls[0],
743 ARRAY_SIZE(wm8991_dapm_ropmix_controls)),
744
745 /* RONMIX */
746 SND_SOC_DAPM_MIXER("RONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_RON_ENA_BIT, 0,
747 &wm8991_dapm_ronmix_controls[0],
748 ARRAY_SIZE(wm8991_dapm_ronmix_controls)),
749
750 /* ROMIX */
751 SND_SOC_DAPM_MIXER_E("ROMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROMIX_ENA_BIT,
752 0, &wm8991_dapm_romix_controls[0],
753 ARRAY_SIZE(wm8991_dapm_romix_controls),
754 outmixer_event, SND_SOC_DAPM_PRE_REG),
755
756 /* LOUT PGA */
757 SND_SOC_DAPM_PGA("LOUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_LOUT_ENA_BIT, 0,
758 NULL, 0),
759
760 /* ROUT PGA */
761 SND_SOC_DAPM_PGA("ROUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_ROUT_ENA_BIT, 0,
762 NULL, 0),
763
764 /* LOPGA */
765 SND_SOC_DAPM_PGA("LOPGA", WM8991_POWER_MANAGEMENT_3, WM8991_LOPGA_ENA_BIT, 0,
766 NULL, 0),
767
768 /* ROPGA */
769 SND_SOC_DAPM_PGA("ROPGA", WM8991_POWER_MANAGEMENT_3, WM8991_ROPGA_ENA_BIT, 0,
770 NULL, 0),
771
772 /* MICBIAS */
773 SND_SOC_DAPM_MICBIAS("MICBIAS", WM8991_POWER_MANAGEMENT_1,
774 WM8991_MICBIAS_ENA_BIT, 0),
775
776 SND_SOC_DAPM_OUTPUT("LON"),
777 SND_SOC_DAPM_OUTPUT("LOP"),
778 SND_SOC_DAPM_OUTPUT("OUT3"),
779 SND_SOC_DAPM_OUTPUT("LOUT"),
780 SND_SOC_DAPM_OUTPUT("SPKN"),
781 SND_SOC_DAPM_OUTPUT("SPKP"),
782 SND_SOC_DAPM_OUTPUT("ROUT"),
783 SND_SOC_DAPM_OUTPUT("OUT4"),
784 SND_SOC_DAPM_OUTPUT("ROP"),
785 SND_SOC_DAPM_OUTPUT("RON"),
786 SND_SOC_DAPM_OUTPUT("OUT"),
787
788 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
789};
790
791static const struct snd_soc_dapm_route audio_map[] = {
792 /* Make DACs turn on when playing even if not mixed into any outputs */
793 {"Internal DAC Sink", NULL, "Left DAC"},
794 {"Internal DAC Sink", NULL, "Right DAC"},
795
796 /* Make ADCs turn on when recording even if not mixed from any inputs */
797 {"Left ADC", NULL, "Internal ADC Source"},
798 {"Right ADC", NULL, "Internal ADC Source"},
799
800 /* Input Side */
801 /* LIN12 PGA */
802 {"LIN12 PGA", "LIN1 Switch", "LIN1"},
803 {"LIN12 PGA", "LIN2 Switch", "LIN2"},
804 /* LIN34 PGA */
805 {"LIN34 PGA", "LIN3 Switch", "LIN3"},
806 {"LIN34 PGA", "LIN4 Switch", "LIN4RXN"},
807 /* INMIXL */
808 {"INMIXL", "Record Left Volume", "LOMIX"},
809 {"INMIXL", "LIN2 Volume", "LIN2"},
810 {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
811 {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
812 /* AINLMUX */
813 {"AINLMUX", "INMIXL Mix", "INMIXL"},
814 {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
815 {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
816 {"AINLMUX", "RXVOICE Mix", "LIN4RXN"},
817 {"AINLMUX", "RXVOICE Mix", "RIN4RXP"},
818 /* ADC */
819 {"Left ADC", NULL, "AINLMUX"},
820
821 /* RIN12 PGA */
822 {"RIN12 PGA", "RIN1 Switch", "RIN1"},
823 {"RIN12 PGA", "RIN2 Switch", "RIN2"},
824 /* RIN34 PGA */
825 {"RIN34 PGA", "RIN3 Switch", "RIN3"},
826 {"RIN34 PGA", "RIN4 Switch", "RIN4RXP"},
827 /* INMIXL */
828 {"INMIXR", "Record Right Volume", "ROMIX"},
829 {"INMIXR", "RIN2 Volume", "RIN2"},
830 {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
831 {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
832 /* AINRMUX */
833 {"AINRMUX", "INMIXR Mix", "INMIXR"},
834 {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
835 {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
836 {"AINRMUX", "RXVOICE Mix", "LIN4RXN"},
837 {"AINRMUX", "RXVOICE Mix", "RIN4RXP"},
838 /* ADC */
839 {"Right ADC", NULL, "AINRMUX"},
840
841 /* LOMIX */
842 {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
843 {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
844 {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
845 {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
846 {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
847 {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
848 {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
849
850 /* ROMIX */
851 {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
852 {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
853 {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
854 {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
855 {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
856 {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
857 {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
858
859 /* SPKMIX */
860 {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
861 {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
862 {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
863 {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
864 {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
865 {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
866 {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
867 {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
868
869 /* LONMIX */
870 {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
871 {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
872 {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
873
874 /* LOPMIX */
875 {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
876 {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
877 {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
878
879 /* OUT3MIX */
880 {"OUT3MIX", "OUT3MIX LIN4RXN Bypass Switch", "LIN4RXN"},
881 {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
882
883 /* OUT4MIX */
884 {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
885 {"OUT4MIX", "OUT4MIX RIN4RXP Bypass Switch", "RIN4RXP"},
886
887 /* RONMIX */
888 {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
889 {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
890 {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
891
892 /* ROPMIX */
893 {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
894 {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
895 {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
896
897 /* Out Mixer PGAs */
898 {"LOPGA", NULL, "LOMIX"},
899 {"ROPGA", NULL, "ROMIX"},
900
901 {"LOUT PGA", NULL, "LOMIX"},
902 {"ROUT PGA", NULL, "ROMIX"},
903
904 /* Output Pins */
905 {"LON", NULL, "LONMIX"},
906 {"LOP", NULL, "LOPMIX"},
907 {"OUT", NULL, "OUT3MIX"},
908 {"LOUT", NULL, "LOUT PGA"},
909 {"SPKN", NULL, "SPKMIX"},
910 {"ROUT", NULL, "ROUT PGA"},
911 {"OUT4", NULL, "OUT4MIX"},
912 {"ROP", NULL, "ROPMIX"},
913 {"RON", NULL, "RONMIX"},
914};
915
916/* PLL divisors */
917struct _pll_div {
918 u32 div2;
919 u32 n;
920 u32 k;
921};
922
923/* The size in bits of the pll divide multiplied by 10
924 * to allow rounding later */
925#define FIXED_PLL_SIZE ((1 << 16) * 10)
926
927static void pll_factors(struct _pll_div *pll_div, unsigned int target,
928 unsigned int source)
929{
930 u64 Kpart;
931 unsigned int K, Ndiv, Nmod;
932
933
934 Ndiv = target / source;
935 if (Ndiv < 6) {
936 source >>= 1;
937 pll_div->div2 = 1;
938 Ndiv = target / source;
939 } else
940 pll_div->div2 = 0;
941
942 if ((Ndiv < 6) || (Ndiv > 12))
943 printk(KERN_WARNING
944 "WM8991 N value outwith recommended range! N = %d\n", Ndiv);
945
946 pll_div->n = Ndiv;
947 Nmod = target % source;
948 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
949
950 do_div(Kpart, source);
951
952 K = Kpart & 0xFFFFFFFF;
953
954 /* Check if we need to round */
955 if ((K % 10) >= 5)
956 K += 5;
957
958 /* Move down to proper range now rounding is done */
959 K /= 10;
960
961 pll_div->k = K;
962}
963
964static int wm8991_set_dai_pll(struct snd_soc_dai *codec_dai,
965 int pll_id, int src, unsigned int freq_in, unsigned int freq_out)
966{
967 u16 reg;
968 struct snd_soc_codec *codec = codec_dai->codec;
969 struct _pll_div pll_div;
970
971 if (freq_in && freq_out) {
972 pll_factors(&pll_div, freq_out * 4, freq_in);
973
974 /* Turn on PLL */
975 reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2);
976 reg |= WM8991_PLL_ENA;
977 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg);
978
979 /* sysclk comes from PLL */
980 reg = snd_soc_read(codec, WM8991_CLOCKING_2);
981 snd_soc_write(codec, WM8991_CLOCKING_2, reg | WM8991_SYSCLK_SRC);
982
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300[diff] [blame]983 /* set up N , fractional mode and pre-divisor if necessary */
Dimitris Papastamos203db222011-01-14 15:49:40 +0000[diff] [blame]984 snd_soc_write(codec, WM8991_PLL1, pll_div.n | WM8991_SDM |
985 (pll_div.div2 ? WM8991_PRESCALE : 0));
986 snd_soc_write(codec, WM8991_PLL2, (u8)(pll_div.k>>8));
987 snd_soc_write(codec, WM8991_PLL3, (u8)(pll_div.k & 0xFF));
988 } else {
989 /* Turn on PLL */
990 reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2);
991 reg &= ~WM8991_PLL_ENA;
992 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg);
993 }
994 return 0;
995}
996
997/*
998 * Set's ADC and Voice DAC format.
999 */
1000static int wm8991_set_dai_fmt(struct snd_soc_dai *codec_dai,
1001 unsigned int fmt)
1002{
1003 struct snd_soc_codec *codec = codec_dai->codec;
1004 u16 audio1, audio3;
1005
1006 audio1 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_1);
1007 audio3 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_3);
1008
1009 /* set master/slave audio interface */
1010 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1011 case SND_SOC_DAIFMT_CBS_CFS:
1012 audio3 &= ~WM8991_AIF_MSTR1;
1013 break;
1014 case SND_SOC_DAIFMT_CBM_CFM:
1015 audio3 |= WM8991_AIF_MSTR1;
1016 break;
1017 default:
1018 return -EINVAL;
1019 }
1020
1021 audio1 &= ~WM8991_AIF_FMT_MASK;
1022
1023 /* interface format */
1024 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1025 case SND_SOC_DAIFMT_I2S:
1026 audio1 |= WM8991_AIF_TMF_I2S;
1027 audio1 &= ~WM8991_AIF_LRCLK_INV;
1028 break;
1029 case SND_SOC_DAIFMT_RIGHT_J:
1030 audio1 |= WM8991_AIF_TMF_RIGHTJ;
1031 audio1 &= ~WM8991_AIF_LRCLK_INV;
1032 break;
1033 case SND_SOC_DAIFMT_LEFT_J:
1034 audio1 |= WM8991_AIF_TMF_LEFTJ;
1035 audio1 &= ~WM8991_AIF_LRCLK_INV;
1036 break;
1037 case SND_SOC_DAIFMT_DSP_A:
1038 audio1 |= WM8991_AIF_TMF_DSP;
1039 audio1 &= ~WM8991_AIF_LRCLK_INV;
1040 break;
1041 case SND_SOC_DAIFMT_DSP_B:
1042 audio1 |= WM8991_AIF_TMF_DSP | WM8991_AIF_LRCLK_INV;
1043 break;
1044 default:
1045 return -EINVAL;
1046 }
1047
1048 snd_soc_write(codec, WM8991_AUDIO_INTERFACE_1, audio1);
1049 snd_soc_write(codec, WM8991_AUDIO_INTERFACE_3, audio3);
1050 return 0;
1051}
1052
1053static int wm8991_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1054 int div_id, int div)
1055{
1056 struct snd_soc_codec *codec = codec_dai->codec;
1057 u16 reg;
1058
1059 switch (div_id) {
1060 case WM8991_MCLK_DIV:
1061 reg = snd_soc_read(codec, WM8991_CLOCKING_2) &
1062 ~WM8991_MCLK_DIV_MASK;
1063 snd_soc_write(codec, WM8991_CLOCKING_2, reg | div);
1064 break;
1065 case WM8991_DACCLK_DIV:
1066 reg = snd_soc_read(codec, WM8991_CLOCKING_2) &
1067 ~WM8991_DAC_CLKDIV_MASK;
1068 snd_soc_write(codec, WM8991_CLOCKING_2, reg | div);
1069 break;
1070 case WM8991_ADCCLK_DIV:
1071 reg = snd_soc_read(codec, WM8991_CLOCKING_2) &
1072 ~WM8991_ADC_CLKDIV_MASK;
1073 snd_soc_write(codec, WM8991_CLOCKING_2, reg | div);
1074 break;
1075 case WM8991_BCLK_DIV:
1076 reg = snd_soc_read(codec, WM8991_CLOCKING_1) &
1077 ~WM8991_BCLK_DIV_MASK;
1078 snd_soc_write(codec, WM8991_CLOCKING_1, reg | div);
1079 break;
1080 default:
1081 return -EINVAL;
1082 }
1083
1084 return 0;
1085}
1086
1087/*
1088 * Set PCM DAI bit size and sample rate.
1089 */
1090static int wm8991_hw_params(struct snd_pcm_substream *substream,
1091 struct snd_pcm_hw_params *params,
1092 struct snd_soc_dai *dai)
1093{
1094 struct snd_soc_codec *codec = dai->codec;
1095 u16 audio1 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_1);
1096
1097 audio1 &= ~WM8991_AIF_WL_MASK;
1098 /* bit size */
1099 switch (params_format(params)) {
1100 case SNDRV_PCM_FORMAT_S16_LE:
1101 break;
1102 case SNDRV_PCM_FORMAT_S20_3LE:
1103 audio1 |= WM8991_AIF_WL_20BITS;
1104 break;
1105 case SNDRV_PCM_FORMAT_S24_LE:
1106 audio1 |= WM8991_AIF_WL_24BITS;
1107 break;
1108 case SNDRV_PCM_FORMAT_S32_LE:
1109 audio1 |= WM8991_AIF_WL_32BITS;
1110 break;
1111 }
1112
1113 snd_soc_write(codec, WM8991_AUDIO_INTERFACE_1, audio1);
1114 return 0;
1115}
1116
1117static int wm8991_mute(struct snd_soc_dai *dai, int mute)
1118{
1119 struct snd_soc_codec *codec = dai->codec;
1120 u16 val;
1121
1122 val = snd_soc_read(codec, WM8991_DAC_CTRL) & ~WM8991_DAC_MUTE;
1123 if (mute)
1124 snd_soc_write(codec, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE);
1125 else
1126 snd_soc_write(codec, WM8991_DAC_CTRL, val);
1127 return 0;
1128}
1129
1130static int wm8991_set_bias_level(struct snd_soc_codec *codec,
1131 enum snd_soc_bias_level level)
1132{
1133 u16 val;
1134
1135 switch (level) {
1136 case SND_SOC_BIAS_ON:
1137 break;
1138
1139 case SND_SOC_BIAS_PREPARE:
1140 /* VMID=2*50k */
1141 val = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1) &
1142 ~WM8991_VMID_MODE_MASK;
1143 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, val | 0x2);
1144 break;
1145
1146 case SND_SOC_BIAS_STANDBY:
1147 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1148 snd_soc_cache_sync(codec);
1149 /* Enable all output discharge bits */
1150 snd_soc_write(codec, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
1151 WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
1152 WM8991_DIS_OUT4 | WM8991_DIS_LOUT |
1153 WM8991_DIS_ROUT);
1154
1155 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1156 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
1157 WM8991_BUFDCOPEN | WM8991_POBCTRL |
1158 WM8991_VMIDTOG);
1159
1160 /* Delay to allow output caps to discharge */
1161 msleep(300);
1162
1163 /* Disable VMIDTOG */
1164 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
1165 WM8991_BUFDCOPEN | WM8991_POBCTRL);
1166
1167 /* disable all output discharge bits */
1168 snd_soc_write(codec, WM8991_ANTIPOP1, 0);
1169
1170 /* Enable outputs */
1171 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1b00);
1172
1173 msleep(50);
1174
1175 /* Enable VMID at 2x50k */
1176 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f02);
1177
1178 msleep(100);
1179
1180 /* Enable VREF */
1181 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f03);
1182
1183 msleep(600);
1184
1185 /* Enable BUFIOEN */
1186 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
1187 WM8991_BUFDCOPEN | WM8991_POBCTRL |
1188 WM8991_BUFIOEN);
1189
1190 /* Disable outputs */
1191 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x3);
1192
1193 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1194 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_BUFIOEN);
1195 }
1196
1197 /* VMID=2*250k */
1198 val = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1) &
1199 ~WM8991_VMID_MODE_MASK;
1200 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, val | 0x4);
1201 break;
1202
1203 case SND_SOC_BIAS_OFF:
1204 /* Enable POBCTRL and SOFT_ST */
1205 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
1206 WM8991_POBCTRL | WM8991_BUFIOEN);
1207
1208 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1209 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
1210 WM8991_BUFDCOPEN | WM8991_POBCTRL |
1211 WM8991_BUFIOEN);
1212
1213 /* mute DAC */
1214 val = snd_soc_read(codec, WM8991_DAC_CTRL);
1215 snd_soc_write(codec, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE);
1216
1217 /* Enable any disabled outputs */
1218 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f03);
1219
1220 /* Disable VMID */
1221 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f01);
1222
1223 msleep(300);
1224
1225 /* Enable all output discharge bits */
1226 snd_soc_write(codec, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
1227 WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
1228 WM8991_DIS_OUT4 | WM8991_DIS_LOUT |
1229 WM8991_DIS_ROUT);
1230
1231 /* Disable VREF */
1232 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x0);
1233
1234 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1235 snd_soc_write(codec, WM8991_ANTIPOP2, 0x0);
1236 codec->cache_sync = 1;
1237 break;
1238 }
1239
1240 codec->dapm.bias_level = level;
1241 return 0;
1242}
1243
1244static int wm8991_suspend(struct snd_soc_codec *codec, pm_message_t state)
1245{
1246 wm8991_set_bias_level(codec, SND_SOC_BIAS_OFF);
1247 return 0;
1248}
1249
1250static int wm8991_resume(struct snd_soc_codec *codec)
1251{
1252 wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1253 return 0;
1254}
1255
1256/* power down chip */
1257static int wm8991_remove(struct snd_soc_codec *codec)
1258{
1259 wm8991_set_bias_level(codec, SND_SOC_BIAS_OFF);
1260 return 0;
1261}
1262
1263static int wm8991_probe(struct snd_soc_codec *codec)
1264{
1265 struct wm8991_priv *wm8991;
1266 int ret;
1267 unsigned int reg;
1268
1269 wm8991 = snd_soc_codec_get_drvdata(codec);
1270
1271 ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8991->control_type);
1272 if (ret < 0) {
1273 dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret);
1274 return ret;
1275 }
1276
1277 ret = wm8991_reset(codec);
1278 if (ret < 0) {
1279 dev_err(codec->dev, "Failed to issue reset\n");
1280 return ret;
1281 }
1282
1283 wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1284
1285 reg = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_4);
1286 snd_soc_write(codec, WM8991_AUDIO_INTERFACE_4, reg | WM8991_ALRCGPIO1);
1287
1288 reg = snd_soc_read(codec, WM8991_GPIO1_GPIO2) &
1289 ~WM8991_GPIO1_SEL_MASK;
1290 snd_soc_write(codec, WM8991_GPIO1_GPIO2, reg | 1);
1291
1292 reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1);
1293 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, reg | WM8991_VREF_ENA|
1294 WM8991_VMID_MODE_MASK);
1295
1296 reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2);
1297 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg | WM8991_OPCLK_ENA);
1298
1299 snd_soc_write(codec, WM8991_DAC_CTRL, 0);
1300 snd_soc_write(codec, WM8991_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1301 snd_soc_write(codec, WM8991_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1302
1303 snd_soc_add_controls(codec, wm8991_snd_controls,
1304 ARRAY_SIZE(wm8991_snd_controls));
1305
1306 snd_soc_dapm_new_controls(&codec->dapm, wm8991_dapm_widgets,
1307 ARRAY_SIZE(wm8991_dapm_widgets));
1308 snd_soc_dapm_add_routes(&codec->dapm, audio_map,
1309 ARRAY_SIZE(audio_map));
1310 return 0;
1311}
1312
1313#define WM8991_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1314 SNDRV_PCM_FMTBIT_S24_LE)
1315
1316static struct snd_soc_dai_ops wm8991_ops = {
1317 .hw_params = wm8991_hw_params,
1318 .digital_mute = wm8991_mute,
1319 .set_fmt = wm8991_set_dai_fmt,
1320 .set_clkdiv = wm8991_set_dai_clkdiv,
1321 .set_pll = wm8991_set_dai_pll
1322};
1323
1324/*
1325 * The WM8991 supports 2 different and mutually exclusive DAI
1326 * configurations.
1327 *
1328 * 1. ADC/DAC on Primary Interface
1329 * 2. ADC on Primary Interface/DAC on secondary
1330 */
1331static struct snd_soc_dai_driver wm8991_dai = {
1332 /* ADC/DAC on primary */
1333 .name = "wm8991",
1334 .id = 1,
1335 .playback = {
1336 .stream_name = "Playback",
1337 .channels_min = 1,
1338 .channels_max = 2,
1339 .rates = SNDRV_PCM_RATE_8000_96000,
1340 .formats = WM8991_FORMATS
1341 },
1342 .capture = {
1343 .stream_name = "Capture",
1344 .channels_min = 1,
1345 .channels_max = 2,
1346 .rates = SNDRV_PCM_RATE_8000_96000,
1347 .formats = WM8991_FORMATS
1348 },
1349 .ops = &wm8991_ops
1350};
1351
1352static struct snd_soc_codec_driver soc_codec_dev_wm8991 = {
1353 .probe = wm8991_probe,
1354 .remove = wm8991_remove,
1355 .suspend = wm8991_suspend,
1356 .resume = wm8991_resume,
1357 .set_bias_level = wm8991_set_bias_level,
1358 .reg_cache_size = WM8991_MAX_REGISTER + 1,
1359 .reg_word_size = sizeof(u16),
1360 .reg_cache_default = wm8991_reg_defs
1361};
1362
1363static __devinit int wm8991_i2c_probe(struct i2c_client *i2c,
1364 const struct i2c_device_id *id)
1365{
1366 struct wm8991_priv *wm8991;
1367 int ret;
1368
1369 wm8991 = kzalloc(sizeof *wm8991, GFP_KERNEL);
1370 if (!wm8991)
1371 return -ENOMEM;
1372
1373 wm8991->control_type = SND_SOC_I2C;
1374 i2c_set_clientdata(i2c, wm8991);
1375
1376 ret = snd_soc_register_codec(&i2c->dev,
1377 &soc_codec_dev_wm8991, &wm8991_dai, 1);
1378 if (ret < 0)
1379 kfree(wm8991);
1380 return ret;
1381}
1382
1383static __devexit int wm8991_i2c_remove(struct i2c_client *client)
1384{
1385 snd_soc_unregister_codec(&client->dev);
1386 kfree(i2c_get_clientdata(client));
1387 return 0;
1388}
1389
1390static const struct i2c_device_id wm8991_i2c_id[] = {
1391 { "wm8991", 0 },
1392 { }
1393};
1394MODULE_DEVICE_TABLE(i2c, wm8991_i2c_id);
1395
1396static struct i2c_driver wm8991_i2c_driver = {
1397 .driver = {
1398 .name = "wm8991",
1399 .owner = THIS_MODULE,
1400 },
1401 .probe = wm8991_i2c_probe,
1402 .remove = __devexit_p(wm8991_i2c_remove),
1403 .id_table = wm8991_i2c_id,
1404};
1405
1406static int __init wm8991_modinit(void)
1407{
1408 int ret;
1409 ret = i2c_add_driver(&wm8991_i2c_driver);
1410 if (ret != 0) {
1411 printk(KERN_ERR "Failed to register WM8991 I2C driver: %d\n",
1412 ret);
1413 }
1414 return 0;
1415}
1416module_init(wm8991_modinit);
1417
1418static void __exit wm8991_exit(void)
1419{
1420 i2c_del_driver(&wm8991_i2c_driver);
1421}
1422module_exit(wm8991_exit);
1423
1424MODULE_DESCRIPTION("ASoC WM8991 driver");
1425MODULE_AUTHOR("Graeme Gregory");
1426MODULE_LICENSE("GPL");