tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * wm8990.c -- WM8990 ALSA Soc Audio driver
3 *
4 * Copyright 2008 Wolfson Microelectronics PLC.
5 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
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#include <linux/module.h>
14#include <linux/moduleparam.h>
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/delay.h>
18#include <linux/pm.h>
19#include <linux/i2c.h>
20#include <linux/slab.h>
21#include <sound/core.h>
22#include <sound/pcm.h>
23#include <sound/pcm_params.h>
24#include <sound/soc.h>
25#include <sound/initval.h>
26#include <sound/tlv.h>
27#include <asm/div64.h>
28
29#include "wm8990.h"
30
31/* codec private data */
32struct wm8990_priv {
33 enum snd_soc_control_type control_type;
34 unsigned int sysclk;
35 unsigned int pcmclk;
36};
37
38static int wm8990_volatile_register(struct snd_soc_codec *codec,
39 unsigned int reg)
40{
41 switch (reg) {
42 case WM8990_RESET:
43 return 1;
44 default:
45 return 0;
46 }
47}
48
49static const u16 wm8990_reg[] = {
50 0x8990, /* R0 - Reset */
51 0x0000, /* R1 - Power Management (1) */
52 0x6000, /* R2 - Power Management (2) */
53 0x0000, /* R3 - Power Management (3) */
54 0x4050, /* R4 - Audio Interface (1) */
55 0x4000, /* R5 - Audio Interface (2) */
56 0x01C8, /* R6 - Clocking (1) */
57 0x0000, /* R7 - Clocking (2) */
58 0x0040, /* R8 - Audio Interface (3) */
59 0x0040, /* R9 - Audio Interface (4) */
60 0x0004, /* R10 - DAC CTRL */
61 0x00C0, /* R11 - Left DAC Digital Volume */
62 0x00C0, /* R12 - Right DAC Digital Volume */
63 0x0000, /* R13 - Digital Side Tone */
64 0x0100, /* R14 - ADC CTRL */
65 0x00C0, /* R15 - Left ADC Digital Volume */
66 0x00C0, /* R16 - Right ADC Digital Volume */
67 0x0000, /* R17 */
68 0x0000, /* R18 - GPIO CTRL 1 */
69 0x1000, /* R19 - GPIO1 & GPIO2 */
70 0x1010, /* R20 - GPIO3 & GPIO4 */
71 0x1010, /* R21 - GPIO5 & GPIO6 */
72 0x8000, /* R22 - GPIOCTRL 2 */
73 0x0800, /* R23 - GPIO_POL */
74 0x008B, /* R24 - Left Line Input 1&2 Volume */
75 0x008B, /* R25 - Left Line Input 3&4 Volume */
76 0x008B, /* R26 - Right Line Input 1&2 Volume */
77 0x008B, /* R27 - Right Line Input 3&4 Volume */
78 0x0000, /* R28 - Left Output Volume */
79 0x0000, /* R29 - Right Output Volume */
80 0x0066, /* R30 - Line Outputs Volume */
81 0x0022, /* R31 - Out3/4 Volume */
82 0x0079, /* R32 - Left OPGA Volume */
83 0x0079, /* R33 - Right OPGA Volume */
84 0x0003, /* R34 - Speaker Volume */
85 0x0003, /* R35 - ClassD1 */
86 0x0000, /* R36 */
87 0x0100, /* R37 - ClassD3 */
88 0x0079, /* R38 - ClassD4 */
89 0x0000, /* R39 - Input Mixer1 */
90 0x0000, /* R40 - Input Mixer2 */
91 0x0000, /* R41 - Input Mixer3 */
92 0x0000, /* R42 - Input Mixer4 */
93 0x0000, /* R43 - Input Mixer5 */
94 0x0000, /* R44 - Input Mixer6 */
95 0x0000, /* R45 - Output Mixer1 */
96 0x0000, /* R46 - Output Mixer2 */
97 0x0000, /* R47 - Output Mixer3 */
98 0x0000, /* R48 - Output Mixer4 */
99 0x0000, /* R49 - Output Mixer5 */
100 0x0000, /* R50 - Output Mixer6 */
101 0x0180, /* R51 - Out3/4 Mixer */
102 0x0000, /* R52 - Line Mixer1 */
103 0x0000, /* R53 - Line Mixer2 */
104 0x0000, /* R54 - Speaker Mixer */
105 0x0000, /* R55 - Additional Control */
106 0x0000, /* R56 - AntiPOP1 */
107 0x0000, /* R57 - AntiPOP2 */
108 0x0000, /* R58 - MICBIAS */
109 0x0000, /* R59 */
110 0x0008, /* R60 - PLL1 */
111 0x0031, /* R61 - PLL2 */
112 0x0026, /* R62 - PLL3 */
113 0x0000, /* R63 - Driver internal */
114};
115
116#define wm8990_reset(c) snd_soc_write(c, WM8990_RESET, 0)
117
118static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
119
120static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
121
122static const DECLARE_TLV_DB_SCALE(out_mix_tlv, 0, -2100, 0);
123
124static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
125
126static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
127
128static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
129
130static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
131
132static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
133
134static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
135 struct snd_ctl_elem_value *ucontrol)
136{
137 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
138 struct soc_mixer_control *mc =
139 (struct soc_mixer_control *)kcontrol->private_value;
140 int reg = mc->reg;
141 int ret;
142 u16 val;
143
144 ret = snd_soc_put_volsw(kcontrol, ucontrol);
145 if (ret < 0)
146 return ret;
147
148 /* now hit the volume update bits (always bit 8) */
149 val = snd_soc_read(codec, reg);
150 return snd_soc_write(codec, reg, val | 0x0100);
151}
152
153#define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
154 tlv_array) {\
155 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
156 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
157 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
158 .tlv.p = (tlv_array), \
159 .info = snd_soc_info_volsw, \
160 .get = snd_soc_get_volsw, .put = wm899x_outpga_put_volsw_vu, \
161 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
162
163
164static const char *wm8990_digital_sidetone[] =
165 {"None", "Left ADC", "Right ADC", "Reserved"};
166
167static const struct soc_enum wm8990_left_digital_sidetone_enum =
168SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
169 WM8990_ADC_TO_DACL_SHIFT,
170 WM8990_ADC_TO_DACL_MASK,
171 wm8990_digital_sidetone);
172
173static const struct soc_enum wm8990_right_digital_sidetone_enum =
174SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
175 WM8990_ADC_TO_DACR_SHIFT,
176 WM8990_ADC_TO_DACR_MASK,
177 wm8990_digital_sidetone);
178
179static const char *wm8990_adcmode[] =
180 {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
181
182static const struct soc_enum wm8990_right_adcmode_enum =
183SOC_ENUM_SINGLE(WM8990_ADC_CTRL,
184 WM8990_ADC_HPF_CUT_SHIFT,
185 WM8990_ADC_HPF_CUT_MASK,
186 wm8990_adcmode);
187
188static const struct snd_kcontrol_new wm8990_snd_controls[] = {
189/* INMIXL */
190SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
191SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
192/* INMIXR */
193SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
194SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
195
196/* LOMIX */
197SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
198 WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
199SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
200 WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
201SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
202 WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
203SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
204 WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
205SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
206 WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
207SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
208 WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
209
210/* ROMIX */
211SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
212 WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
213SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
214 WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
215SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
216 WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
217SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
218 WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
219SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
220 WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
221SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
222 WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
223
224/* LOUT */
225SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
226 WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
227SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
228
229/* ROUT */
230SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
231 WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
232SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
233
234/* LOPGA */
235SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
236 WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
237SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
238 WM8990_LOPGAZC_BIT, 1, 0),
239
240/* ROPGA */
241SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
242 WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
243SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
244 WM8990_ROPGAZC_BIT, 1, 0),
245
246SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
247 WM8990_LONMUTE_BIT, 1, 0),
248SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
249 WM8990_LOPMUTE_BIT, 1, 0),
250SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
251 WM8990_LOATTN_BIT, 1, 0),
252SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
253 WM8990_RONMUTE_BIT, 1, 0),
254SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
255 WM8990_ROPMUTE_BIT, 1, 0),
256SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
257 WM8990_ROATTN_BIT, 1, 0),
258
259SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
260 WM8990_OUT3MUTE_BIT, 1, 0),
261SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
262 WM8990_OUT3ATTN_BIT, 1, 0),
263
264SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
265 WM8990_OUT4MUTE_BIT, 1, 0),
266SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
267 WM8990_OUT4ATTN_BIT, 1, 0),
268
269SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
270 WM8990_CDMODE_BIT, 1, 0),
271
272SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
273 WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0),
274SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
275 WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
276SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
277 WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
278SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
279 WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
280SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
281 WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
282
283SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
284 WM8990_LEFT_DAC_DIGITAL_VOLUME,
285 WM8990_DACL_VOL_SHIFT,
286 WM8990_DACL_VOL_MASK,
287 0,
288 out_dac_tlv),
289
290SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
291 WM8990_RIGHT_DAC_DIGITAL_VOLUME,
292 WM8990_DACR_VOL_SHIFT,
293 WM8990_DACR_VOL_MASK,
294 0,
295 out_dac_tlv),
296
297SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
298SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
299
300SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
301 WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
302 out_sidetone_tlv),
303SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
304 WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
305 out_sidetone_tlv),
306
307SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
308 WM8990_ADC_HPF_ENA_BIT, 1, 0),
309
310SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
311
312SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
313 WM8990_LEFT_ADC_DIGITAL_VOLUME,
314 WM8990_ADCL_VOL_SHIFT,
315 WM8990_ADCL_VOL_MASK,
316 0,
317 in_adc_tlv),
318
319SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
320 WM8990_RIGHT_ADC_DIGITAL_VOLUME,
321 WM8990_ADCR_VOL_SHIFT,
322 WM8990_ADCR_VOL_MASK,
323 0,
324 in_adc_tlv),
325
326SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
327 WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
328 WM8990_LIN12VOL_SHIFT,
329 WM8990_LIN12VOL_MASK,
330 0,
331 in_pga_tlv),
332
333SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
334 WM8990_LI12ZC_BIT, 1, 0),
335
336SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
337 WM8990_LI12MUTE_BIT, 1, 0),
338
339SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
340 WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
341 WM8990_LIN34VOL_SHIFT,
342 WM8990_LIN34VOL_MASK,
343 0,
344 in_pga_tlv),
345
346SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
347 WM8990_LI34ZC_BIT, 1, 0),
348
349SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
350 WM8990_LI34MUTE_BIT, 1, 0),
351
352SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
353 WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
354 WM8990_RIN12VOL_SHIFT,
355 WM8990_RIN12VOL_MASK,
356 0,
357 in_pga_tlv),
358
359SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
360 WM8990_RI12ZC_BIT, 1, 0),
361
362SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
363 WM8990_RI12MUTE_BIT, 1, 0),
364
365SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
366 WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
367 WM8990_RIN34VOL_SHIFT,
368 WM8990_RIN34VOL_MASK,
369 0,
370 in_pga_tlv),
371
372SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
373 WM8990_RI34ZC_BIT, 1, 0),
374
375SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
376 WM8990_RI34MUTE_BIT, 1, 0),
377
378};
379
380/*
381 * _DAPM_ Controls
382 */
383
384static int inmixer_event(struct snd_soc_dapm_widget *w,
385 struct snd_kcontrol *kcontrol, int event)
386{
387 u16 reg, fakepower;
388
389 reg = snd_soc_read(w->codec, WM8990_POWER_MANAGEMENT_2);
390 fakepower = snd_soc_read(w->codec, WM8990_INTDRIVBITS);
391
392 if (fakepower & ((1 << WM8990_INMIXL_PWR_BIT) |
393 (1 << WM8990_AINLMUX_PWR_BIT))) {
394 reg |= WM8990_AINL_ENA;
395 } else {
396 reg &= ~WM8990_AINL_ENA;
397 }
398
399 if (fakepower & ((1 << WM8990_INMIXR_PWR_BIT) |
400 (1 << WM8990_AINRMUX_PWR_BIT))) {
401 reg |= WM8990_AINR_ENA;
402 } else {
403 reg &= ~WM8990_AINR_ENA;
404 }
405 snd_soc_write(w->codec, WM8990_POWER_MANAGEMENT_2, reg);
406
407 return 0;
408}
409
410static int outmixer_event(struct snd_soc_dapm_widget *w,
411 struct snd_kcontrol *kcontrol, int event)
412{
413 u32 reg_shift = kcontrol->private_value & 0xfff;
414 int ret = 0;
415 u16 reg;
416
417 switch (reg_shift) {
418 case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
419 reg = snd_soc_read(w->codec, WM8990_OUTPUT_MIXER1);
420 if (reg & WM8990_LDLO) {
421 printk(KERN_WARNING
422 "Cannot set as Output Mixer 1 LDLO Set\n");
423 ret = -1;
424 }
425 break;
426 case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
427 reg = snd_soc_read(w->codec, WM8990_OUTPUT_MIXER2);
428 if (reg & WM8990_RDRO) {
429 printk(KERN_WARNING
430 "Cannot set as Output Mixer 2 RDRO Set\n");
431 ret = -1;
432 }
433 break;
434 case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
435 reg = snd_soc_read(w->codec, WM8990_SPEAKER_MIXER);
436 if (reg & WM8990_LDSPK) {
437 printk(KERN_WARNING
438 "Cannot set as Speaker Mixer LDSPK Set\n");
439 ret = -1;
440 }
441 break;
442 case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
443 reg = snd_soc_read(w->codec, WM8990_SPEAKER_MIXER);
444 if (reg & WM8990_RDSPK) {
445 printk(KERN_WARNING
446 "Cannot set as Speaker Mixer RDSPK Set\n");
447 ret = -1;
448 }
449 break;
450 }
451
452 return ret;
453}
454
455/* INMIX dB values */
456static const unsigned int in_mix_tlv[] = {
457 TLV_DB_RANGE_HEAD(1),
458 0, 7, TLV_DB_SCALE_ITEM(-1200, 600, 0),
459};
460
461/* Left In PGA Connections */
462static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
463SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
464SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
465};
466
467static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
468SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
469SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
470};
471
472/* Right In PGA Connections */
473static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
474SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
475SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
476};
477
478static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
479SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
480SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
481};
482
483/* INMIXL */
484static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
485SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
486 WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
487SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
488 7, 0, in_mix_tlv),
489SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
490 1, 0),
491SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
492 1, 0),
493};
494
495/* INMIXR */
496static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
497SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
498 WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
499SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
500 7, 0, in_mix_tlv),
501SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
502 1, 0),
503SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
504 1, 0),
505};
506
507/* AINLMUX */
508static const char *wm8990_ainlmux[] =
509 {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
510
511static const struct soc_enum wm8990_ainlmux_enum =
512SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
513 ARRAY_SIZE(wm8990_ainlmux), wm8990_ainlmux);
514
515static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
516SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
517
518/* DIFFINL */
519
520/* AINRMUX */
521static const char *wm8990_ainrmux[] =
522 {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
523
524static const struct soc_enum wm8990_ainrmux_enum =
525SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
526 ARRAY_SIZE(wm8990_ainrmux), wm8990_ainrmux);
527
528static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
529SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
530
531/* RXVOICE */
532static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
533SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
534 WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
535SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
536 WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
537};
538
539/* LOMIX */
540static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
541SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
542 WM8990_LRBLO_BIT, 1, 0),
543SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
544 WM8990_LLBLO_BIT, 1, 0),
545SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
546 WM8990_LRI3LO_BIT, 1, 0),
547SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
548 WM8990_LLI3LO_BIT, 1, 0),
549SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
550 WM8990_LR12LO_BIT, 1, 0),
551SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
552 WM8990_LL12LO_BIT, 1, 0),
553SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
554 WM8990_LDLO_BIT, 1, 0),
555};
556
557/* ROMIX */
558static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
559SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
560 WM8990_RLBRO_BIT, 1, 0),
561SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
562 WM8990_RRBRO_BIT, 1, 0),
563SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
564 WM8990_RLI3RO_BIT, 1, 0),
565SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
566 WM8990_RRI3RO_BIT, 1, 0),
567SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
568 WM8990_RL12RO_BIT, 1, 0),
569SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
570 WM8990_RR12RO_BIT, 1, 0),
571SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
572 WM8990_RDRO_BIT, 1, 0),
573};
574
575/* LONMIX */
576static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
577SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
578 WM8990_LLOPGALON_BIT, 1, 0),
579SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
580 WM8990_LROPGALON_BIT, 1, 0),
581SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
582 WM8990_LOPLON_BIT, 1, 0),
583};
584
585/* LOPMIX */
586static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
587SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
588 WM8990_LR12LOP_BIT, 1, 0),
589SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
590 WM8990_LL12LOP_BIT, 1, 0),
591SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
592 WM8990_LLOPGALOP_BIT, 1, 0),
593};
594
595/* RONMIX */
596static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
597SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
598 WM8990_RROPGARON_BIT, 1, 0),
599SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
600 WM8990_RLOPGARON_BIT, 1, 0),
601SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
602 WM8990_ROPRON_BIT, 1, 0),
603};
604
605/* ROPMIX */
606static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
607SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
608 WM8990_RL12ROP_BIT, 1, 0),
609SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
610 WM8990_RR12ROP_BIT, 1, 0),
611SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
612 WM8990_RROPGAROP_BIT, 1, 0),
613};
614
615/* OUT3MIX */
616static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
617SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
618 WM8990_LI4O3_BIT, 1, 0),
619SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
620 WM8990_LPGAO3_BIT, 1, 0),
621};
622
623/* OUT4MIX */
624static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
625SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
626 WM8990_RPGAO4_BIT, 1, 0),
627SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
628 WM8990_RI4O4_BIT, 1, 0),
629};
630
631/* SPKMIX */
632static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
633SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
634 WM8990_LI2SPK_BIT, 1, 0),
635SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
636 WM8990_LB2SPK_BIT, 1, 0),
637SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
638 WM8990_LOPGASPK_BIT, 1, 0),
639SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
640 WM8990_LDSPK_BIT, 1, 0),
641SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
642 WM8990_RDSPK_BIT, 1, 0),
643SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
644 WM8990_ROPGASPK_BIT, 1, 0),
645SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
646 WM8990_RL12ROP_BIT, 1, 0),
647SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
648 WM8990_RI2SPK_BIT, 1, 0),
649};
650
651static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
652/* Input Side */
653/* Input Lines */
654SND_SOC_DAPM_INPUT("LIN1"),
655SND_SOC_DAPM_INPUT("LIN2"),
656SND_SOC_DAPM_INPUT("LIN3"),
657SND_SOC_DAPM_INPUT("LIN4/RXN"),
658SND_SOC_DAPM_INPUT("RIN3"),
659SND_SOC_DAPM_INPUT("RIN4/RXP"),
660SND_SOC_DAPM_INPUT("RIN1"),
661SND_SOC_DAPM_INPUT("RIN2"),
662SND_SOC_DAPM_INPUT("Internal ADC Source"),
663
664/* DACs */
665SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
666 WM8990_ADCL_ENA_BIT, 0),
667SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
668 WM8990_ADCR_ENA_BIT, 0),
669
670/* Input PGAs */
671SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
672 0, &wm8990_dapm_lin12_pga_controls[0],
673 ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
674SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
675 0, &wm8990_dapm_lin34_pga_controls[0],
676 ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
677SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
678 0, &wm8990_dapm_rin12_pga_controls[0],
679 ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
680SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
681 0, &wm8990_dapm_rin34_pga_controls[0],
682 ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
683
684/* INMIXL */
685SND_SOC_DAPM_MIXER_E("INMIXL", WM8990_INTDRIVBITS, WM8990_INMIXL_PWR_BIT, 0,
686 &wm8990_dapm_inmixl_controls[0],
687 ARRAY_SIZE(wm8990_dapm_inmixl_controls),
688 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
689
690/* AINLMUX */
691SND_SOC_DAPM_MUX_E("AINLMUX", WM8990_INTDRIVBITS, WM8990_AINLMUX_PWR_BIT, 0,
692 &wm8990_dapm_ainlmux_controls, inmixer_event,
693 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
694
695/* INMIXR */
696SND_SOC_DAPM_MIXER_E("INMIXR", WM8990_INTDRIVBITS, WM8990_INMIXR_PWR_BIT, 0,
697 &wm8990_dapm_inmixr_controls[0],
698 ARRAY_SIZE(wm8990_dapm_inmixr_controls),
699 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
700
701/* AINRMUX */
702SND_SOC_DAPM_MUX_E("AINRMUX", WM8990_INTDRIVBITS, WM8990_AINRMUX_PWR_BIT, 0,
703 &wm8990_dapm_ainrmux_controls, inmixer_event,
704 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
705
706/* Output Side */
707/* DACs */
708SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
709 WM8990_DACL_ENA_BIT, 0),
710SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
711 WM8990_DACR_ENA_BIT, 0),
712
713/* LOMIX */
714SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
715 0, &wm8990_dapm_lomix_controls[0],
716 ARRAY_SIZE(wm8990_dapm_lomix_controls),
717 outmixer_event, SND_SOC_DAPM_PRE_REG),
718
719/* LONMIX */
720SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
721 &wm8990_dapm_lonmix_controls[0],
722 ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
723
724/* LOPMIX */
725SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
726 &wm8990_dapm_lopmix_controls[0],
727 ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
728
729/* OUT3MIX */
730SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
731 &wm8990_dapm_out3mix_controls[0],
732 ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
733
734/* SPKMIX */
735SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
736 &wm8990_dapm_spkmix_controls[0],
737 ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
738 SND_SOC_DAPM_PRE_REG),
739
740/* OUT4MIX */
741SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
742 &wm8990_dapm_out4mix_controls[0],
743 ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
744
745/* ROPMIX */
746SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
747 &wm8990_dapm_ropmix_controls[0],
748 ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
749
750/* RONMIX */
751SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
752 &wm8990_dapm_ronmix_controls[0],
753 ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
754
755/* ROMIX */
756SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
757 0, &wm8990_dapm_romix_controls[0],
758 ARRAY_SIZE(wm8990_dapm_romix_controls),
759 outmixer_event, SND_SOC_DAPM_PRE_REG),
760
761/* LOUT PGA */
762SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
763 NULL, 0),
764
765/* ROUT PGA */
766SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
767 NULL, 0),
768
769/* LOPGA */
770SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
771 NULL, 0),
772
773/* ROPGA */
774SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
775 NULL, 0),
776
777/* MICBIAS */
778SND_SOC_DAPM_SUPPLY("MICBIAS", WM8990_POWER_MANAGEMENT_1,
779 WM8990_MICBIAS_ENA_BIT, 0, NULL, 0),
780
781SND_SOC_DAPM_OUTPUT("LON"),
782SND_SOC_DAPM_OUTPUT("LOP"),
783SND_SOC_DAPM_OUTPUT("OUT3"),
784SND_SOC_DAPM_OUTPUT("LOUT"),
785SND_SOC_DAPM_OUTPUT("SPKN"),
786SND_SOC_DAPM_OUTPUT("SPKP"),
787SND_SOC_DAPM_OUTPUT("ROUT"),
788SND_SOC_DAPM_OUTPUT("OUT4"),
789SND_SOC_DAPM_OUTPUT("ROP"),
790SND_SOC_DAPM_OUTPUT("RON"),
791
792SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
793};
794
795static const struct snd_soc_dapm_route audio_map[] = {
796 /* Make DACs turn on when playing even if not mixed into any outputs */
797 {"Internal DAC Sink", NULL, "Left DAC"},
798 {"Internal DAC Sink", NULL, "Right DAC"},
799
800 /* Make ADCs turn on when recording even if not mixed from any inputs */
801 {"Left ADC", NULL, "Internal ADC Source"},
802 {"Right ADC", NULL, "Internal ADC Source"},
803
804 /* Input Side */
805 /* LIN12 PGA */
806 {"LIN12 PGA", "LIN1 Switch", "LIN1"},
807 {"LIN12 PGA", "LIN2 Switch", "LIN2"},
808 /* LIN34 PGA */
809 {"LIN34 PGA", "LIN3 Switch", "LIN3"},
810 {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
811 /* INMIXL */
812 {"INMIXL", "Record Left Volume", "LOMIX"},
813 {"INMIXL", "LIN2 Volume", "LIN2"},
814 {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
815 {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
816 /* AINLMUX */
817 {"AINLMUX", "INMIXL Mix", "INMIXL"},
818 {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
819 {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
820 {"AINLMUX", "RXVOICE Mix", "LIN4/RXN"},
821 {"AINLMUX", "RXVOICE Mix", "RIN4/RXP"},
822 /* ADC */
823 {"Left ADC", NULL, "AINLMUX"},
824
825 /* RIN12 PGA */
826 {"RIN12 PGA", "RIN1 Switch", "RIN1"},
827 {"RIN12 PGA", "RIN2 Switch", "RIN2"},
828 /* RIN34 PGA */
829 {"RIN34 PGA", "RIN3 Switch", "RIN3"},
830 {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
831 /* INMIXL */
832 {"INMIXR", "Record Right Volume", "ROMIX"},
833 {"INMIXR", "RIN2 Volume", "RIN2"},
834 {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
835 {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
836 /* AINRMUX */
837 {"AINRMUX", "INMIXR Mix", "INMIXR"},
838 {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
839 {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
840 {"AINRMUX", "RXVOICE Mix", "LIN4/RXN"},
841 {"AINRMUX", "RXVOICE Mix", "RIN4/RXP"},
842 /* ADC */
843 {"Right ADC", NULL, "AINRMUX"},
844
845 /* LOMIX */
846 {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
847 {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
848 {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
849 {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
850 {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
851 {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
852 {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
853
854 /* ROMIX */
855 {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
856 {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
857 {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
858 {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
859 {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
860 {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
861 {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
862
863 /* SPKMIX */
864 {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
865 {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
866 {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
867 {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
868 {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
869 {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
870 {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
871 {"SPKMIX", "SPKMIX Left DAC Switch", "Left DAC"},
872
873 /* LONMIX */
874 {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
875 {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
876 {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
877
878 /* LOPMIX */
879 {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
880 {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
881 {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
882
883 /* OUT3MIX */
884 {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
885 {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
886
887 /* OUT4MIX */
888 {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
889 {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
890
891 /* RONMIX */
892 {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
893 {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
894 {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
895
896 /* ROPMIX */
897 {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
898 {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
899 {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
900
901 /* Out Mixer PGAs */
902 {"LOPGA", NULL, "LOMIX"},
903 {"ROPGA", NULL, "ROMIX"},
904
905 {"LOUT PGA", NULL, "LOMIX"},
906 {"ROUT PGA", NULL, "ROMIX"},
907
908 /* Output Pins */
909 {"LON", NULL, "LONMIX"},
910 {"LOP", NULL, "LOPMIX"},
911 {"OUT3", NULL, "OUT3MIX"},
912 {"LOUT", NULL, "LOUT PGA"},
913 {"SPKN", NULL, "SPKMIX"},
914 {"ROUT", NULL, "ROUT PGA"},
915 {"OUT4", NULL, "OUT4MIX"},
916 {"ROP", NULL, "ROPMIX"},
917 {"RON", NULL, "RONMIX"},
918};
919
920static int wm8990_add_widgets(struct snd_soc_codec *codec)
921{
922 struct snd_soc_dapm_context *dapm = &codec->dapm;
923
924 snd_soc_dapm_new_controls(dapm, wm8990_dapm_widgets,
925 ARRAY_SIZE(wm8990_dapm_widgets));
926 /* set up the WM8990 audio map */
927 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
928
929 return 0;
930}
931
932/* PLL divisors */
933struct _pll_div {
934 u32 div2;
935 u32 n;
936 u32 k;
937};
938
939/* The size in bits of the pll divide multiplied by 10
940 * to allow rounding later */
941#define FIXED_PLL_SIZE ((1 << 16) * 10)
942
943static void pll_factors(struct _pll_div *pll_div, unsigned int target,
944 unsigned int source)
945{
946 u64 Kpart;
947 unsigned int K, Ndiv, Nmod;
948
949
950 Ndiv = target / source;
951 if (Ndiv < 6) {
952 source >>= 1;
953 pll_div->div2 = 1;
954 Ndiv = target / source;
955 } else
956 pll_div->div2 = 0;
957
958 if ((Ndiv < 6) || (Ndiv > 12))
959 printk(KERN_WARNING
960 "WM8990 N value outwith recommended range! N = %u\n", Ndiv);
961
962 pll_div->n = Ndiv;
963 Nmod = target % source;
964 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
965
966 do_div(Kpart, source);
967
968 K = Kpart & 0xFFFFFFFF;
969
970 /* Check if we need to round */
971 if ((K % 10) >= 5)
972 K += 5;
973
974 /* Move down to proper range now rounding is done */
975 K /= 10;
976
977 pll_div->k = K;
978}
979
980static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
981 int source, unsigned int freq_in, unsigned int freq_out)
982{
983 struct snd_soc_codec *codec = codec_dai->codec;
984 struct _pll_div pll_div;
985
986 if (freq_in && freq_out) {
987 pll_factors(&pll_div, freq_out * 4, freq_in);
988
989 /* Turn on PLL */
990 snd_soc_update_bits(codec, WM8990_POWER_MANAGEMENT_2,
991 WM8990_PLL_ENA, WM8990_PLL_ENA);
992
993 /* sysclk comes from PLL */
994 snd_soc_update_bits(codec, WM8990_CLOCKING_2,
995 WM8990_SYSCLK_SRC, WM8990_SYSCLK_SRC);
996
997 /* set up N , fractional mode and pre-divisor if necessary */
998 snd_soc_write(codec, WM8990_PLL1, pll_div.n | WM8990_SDM |
999 (pll_div.div2?WM8990_PRESCALE:0));
1000 snd_soc_write(codec, WM8990_PLL2, (u8)(pll_div.k>>8));
1001 snd_soc_write(codec, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
1002 } else {
1003 /* Turn off PLL */
1004 snd_soc_update_bits(codec, WM8990_POWER_MANAGEMENT_2,
1005 WM8990_PLL_ENA, 0);
1006 }
1007 return 0;
1008}
1009
1010/*
1011 * Clock after PLL and dividers
1012 */
1013static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1014 int clk_id, unsigned int freq, int dir)
1015{
1016 struct snd_soc_codec *codec = codec_dai->codec;
1017 struct wm8990_priv *wm8990 = snd_soc_codec_get_drvdata(codec);
1018
1019 wm8990->sysclk = freq;
1020 return 0;
1021}
1022
1023/*
1024 * Set's ADC and Voice DAC format.
1025 */
1026static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
1027 unsigned int fmt)
1028{
1029 struct snd_soc_codec *codec = codec_dai->codec;
1030 u16 audio1, audio3;
1031
1032 audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1);
1033 audio3 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_3);
1034
1035 /* set master/slave audio interface */
1036 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1037 case SND_SOC_DAIFMT_CBS_CFS:
1038 audio3 &= ~WM8990_AIF_MSTR1;
1039 break;
1040 case SND_SOC_DAIFMT_CBM_CFM:
1041 audio3 |= WM8990_AIF_MSTR1;
1042 break;
1043 default:
1044 return -EINVAL;
1045 }
1046
1047 audio1 &= ~WM8990_AIF_FMT_MASK;
1048
1049 /* interface format */
1050 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1051 case SND_SOC_DAIFMT_I2S:
1052 audio1 |= WM8990_AIF_TMF_I2S;
1053 audio1 &= ~WM8990_AIF_LRCLK_INV;
1054 break;
1055 case SND_SOC_DAIFMT_RIGHT_J:
1056 audio1 |= WM8990_AIF_TMF_RIGHTJ;
1057 audio1 &= ~WM8990_AIF_LRCLK_INV;
1058 break;
1059 case SND_SOC_DAIFMT_LEFT_J:
1060 audio1 |= WM8990_AIF_TMF_LEFTJ;
1061 audio1 &= ~WM8990_AIF_LRCLK_INV;
1062 break;
1063 case SND_SOC_DAIFMT_DSP_A:
1064 audio1 |= WM8990_AIF_TMF_DSP;
1065 audio1 &= ~WM8990_AIF_LRCLK_INV;
1066 break;
1067 case SND_SOC_DAIFMT_DSP_B:
1068 audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
1069 break;
1070 default:
1071 return -EINVAL;
1072 }
1073
1074 snd_soc_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1075 snd_soc_write(codec, WM8990_AUDIO_INTERFACE_3, audio3);
1076 return 0;
1077}
1078
1079static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1080 int div_id, int div)
1081{
1082 struct snd_soc_codec *codec = codec_dai->codec;
1083
1084 switch (div_id) {
1085 case WM8990_MCLK_DIV:
1086 snd_soc_update_bits(codec, WM8990_CLOCKING_2,
1087 WM8990_MCLK_DIV_MASK, div);
1088 break;
1089 case WM8990_DACCLK_DIV:
1090 snd_soc_update_bits(codec, WM8990_CLOCKING_2,
1091 WM8990_DAC_CLKDIV_MASK, div);
1092 break;
1093 case WM8990_ADCCLK_DIV:
1094 snd_soc_update_bits(codec, WM8990_CLOCKING_2,
1095 WM8990_ADC_CLKDIV_MASK, div);
1096 break;
1097 case WM8990_BCLK_DIV:
1098 snd_soc_update_bits(codec, WM8990_CLOCKING_1,
1099 WM8990_BCLK_DIV_MASK, div);
1100 break;
1101 default:
1102 return -EINVAL;
1103 }
1104
1105 return 0;
1106}
1107
1108/*
1109 * Set PCM DAI bit size and sample rate.
1110 */
1111static int wm8990_hw_params(struct snd_pcm_substream *substream,
1112 struct snd_pcm_hw_params *params,
1113 struct snd_soc_dai *dai)
1114{
1115 struct snd_soc_codec *codec = dai->codec;
1116 u16 audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1);
1117
1118 audio1 &= ~WM8990_AIF_WL_MASK;
1119 /* bit size */
1120 switch (params_format(params)) {
1121 case SNDRV_PCM_FORMAT_S16_LE:
1122 break;
1123 case SNDRV_PCM_FORMAT_S20_3LE:
1124 audio1 |= WM8990_AIF_WL_20BITS;
1125 break;
1126 case SNDRV_PCM_FORMAT_S24_LE:
1127 audio1 |= WM8990_AIF_WL_24BITS;
1128 break;
1129 case SNDRV_PCM_FORMAT_S32_LE:
1130 audio1 |= WM8990_AIF_WL_32BITS;
1131 break;
1132 }
1133
1134 snd_soc_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1135 return 0;
1136}
1137
1138static int wm8990_mute(struct snd_soc_dai *dai, int mute)
1139{
1140 struct snd_soc_codec *codec = dai->codec;
1141 u16 val;
1142
1143 val = snd_soc_read(codec, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
1144
1145 if (mute)
1146 snd_soc_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1147 else
1148 snd_soc_write(codec, WM8990_DAC_CTRL, val);
1149
1150 return 0;
1151}
1152
1153static int wm8990_set_bias_level(struct snd_soc_codec *codec,
1154 enum snd_soc_bias_level level)
1155{
1156 int ret;
1157
1158 switch (level) {
1159 case SND_SOC_BIAS_ON:
1160 break;
1161
1162 case SND_SOC_BIAS_PREPARE:
1163 /* VMID=2*50k */
1164 snd_soc_update_bits(codec, WM8990_POWER_MANAGEMENT_1,
1165 WM8990_VMID_MODE_MASK, 0x2);
1166 break;
1167
1168 case SND_SOC_BIAS_STANDBY:
1169 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1170 ret = snd_soc_cache_sync(codec);
1171 if (ret < 0) {
1172 dev_err(codec->dev, "Failed to sync cache: %d\n", ret);
1173 return ret;
1174 }
1175
1176 /* Enable all output discharge bits */
1177 snd_soc_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1178 WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1179 WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1180 WM8990_DIS_ROUT);
1181
1182 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1183 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1184 WM8990_BUFDCOPEN | WM8990_POBCTRL |
1185 WM8990_VMIDTOG);
1186
1187 /* Delay to allow output caps to discharge */
1188 msleep(300);
1189
1190 /* Disable VMIDTOG */
1191 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1192 WM8990_BUFDCOPEN | WM8990_POBCTRL);
1193
1194 /* disable all output discharge bits */
1195 snd_soc_write(codec, WM8990_ANTIPOP1, 0);
1196
1197 /* Enable outputs */
1198 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1b00);
1199
1200 msleep(50);
1201
1202 /* Enable VMID at 2x50k */
1203 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f02);
1204
1205 msleep(100);
1206
1207 /* Enable VREF */
1208 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1209
1210 msleep(600);
1211
1212 /* Enable BUFIOEN */
1213 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1214 WM8990_BUFDCOPEN | WM8990_POBCTRL |
1215 WM8990_BUFIOEN);
1216
1217 /* Disable outputs */
1218 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x3);
1219
1220 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1221 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN);
1222
1223 /* Enable workaround for ADC clocking issue. */
1224 snd_soc_write(codec, WM8990_EXT_ACCESS_ENA, 0x2);
1225 snd_soc_write(codec, WM8990_EXT_CTL1, 0xa003);
1226 snd_soc_write(codec, WM8990_EXT_ACCESS_ENA, 0);
1227 }
1228
1229 /* VMID=2*250k */
1230 snd_soc_update_bits(codec, WM8990_POWER_MANAGEMENT_1,
1231 WM8990_VMID_MODE_MASK, 0x4);
1232 break;
1233
1234 case SND_SOC_BIAS_OFF:
1235 /* Enable POBCTRL and SOFT_ST */
1236 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1237 WM8990_POBCTRL | WM8990_BUFIOEN);
1238
1239 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1240 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1241 WM8990_BUFDCOPEN | WM8990_POBCTRL |
1242 WM8990_BUFIOEN);
1243
1244 /* mute DAC */
1245 snd_soc_update_bits(codec, WM8990_DAC_CTRL,
1246 WM8990_DAC_MUTE, WM8990_DAC_MUTE);
1247
1248 /* Enable any disabled outputs */
1249 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1250
1251 /* Disable VMID */
1252 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f01);
1253
1254 msleep(300);
1255
1256 /* Enable all output discharge bits */
1257 snd_soc_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1258 WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1259 WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1260 WM8990_DIS_ROUT);
1261
1262 /* Disable VREF */
1263 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x0);
1264
1265 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1266 snd_soc_write(codec, WM8990_ANTIPOP2, 0x0);
1267 break;
1268 }
1269
1270 codec->dapm.bias_level = level;
1271 return 0;
1272}
1273
1274#define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1275 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
1276 SNDRV_PCM_RATE_48000)
1277
1278#define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1279 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1280
1281/*
1282 * The WM8990 supports 2 different and mutually exclusive DAI
1283 * configurations.
1284 *
1285 * 1. ADC/DAC on Primary Interface
1286 * 2. ADC on Primary Interface/DAC on secondary
1287 */
1288static const struct snd_soc_dai_ops wm8990_dai_ops = {
1289 .hw_params = wm8990_hw_params,
1290 .digital_mute = wm8990_mute,
1291 .set_fmt = wm8990_set_dai_fmt,
1292 .set_clkdiv = wm8990_set_dai_clkdiv,
1293 .set_pll = wm8990_set_dai_pll,
1294 .set_sysclk = wm8990_set_dai_sysclk,
1295};
1296
1297static struct snd_soc_dai_driver wm8990_dai = {
1298/* ADC/DAC on primary */
1299 .name = "wm8990-hifi",
1300 .playback = {
1301 .stream_name = "Playback",
1302 .channels_min = 1,
1303 .channels_max = 2,
1304 .rates = WM8990_RATES,
1305 .formats = WM8990_FORMATS,},
1306 .capture = {
1307 .stream_name = "Capture",
1308 .channels_min = 1,
1309 .channels_max = 2,
1310 .rates = WM8990_RATES,
1311 .formats = WM8990_FORMATS,},
1312 .ops = &wm8990_dai_ops,
1313};
1314
1315static int wm8990_suspend(struct snd_soc_codec *codec)
1316{
1317 wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1318 return 0;
1319}
1320
1321static int wm8990_resume(struct snd_soc_codec *codec)
1322{
1323 wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1324 return 0;
1325}
1326
1327/*
1328 * initialise the WM8990 driver
1329 * register the mixer and dsp interfaces with the kernel
1330 */
1331static int wm8990_probe(struct snd_soc_codec *codec)
1332{
1333 int ret;
1334
1335 ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
1336 if (ret < 0) {
1337 printk(KERN_ERR "wm8990: failed to set cache I/O: %d\n", ret);
1338 return ret;
1339 }
1340
1341 wm8990_reset(codec);
1342
1343 /* charge output caps */
1344 wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1345
1346 snd_soc_update_bits(codec, WM8990_AUDIO_INTERFACE_4,
1347 WM8990_ALRCGPIO1, WM8990_ALRCGPIO1);
1348
1349 snd_soc_update_bits(codec, WM8990_GPIO1_GPIO2,
1350 WM8990_GPIO1_SEL_MASK, 1);
1351
1352 snd_soc_update_bits(codec, WM8990_POWER_MANAGEMENT_2,
1353 WM8990_OPCLK_ENA, WM8990_OPCLK_ENA);
1354
1355 snd_soc_write(codec, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1356 snd_soc_write(codec, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1357
1358 snd_soc_add_codec_controls(codec, wm8990_snd_controls,
1359 ARRAY_SIZE(wm8990_snd_controls));
1360 wm8990_add_widgets(codec);
1361
1362 return 0;
1363}
1364
1365/* power down chip */
1366static int wm8990_remove(struct snd_soc_codec *codec)
1367{
1368 wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1369 return 0;
1370}
1371
1372static struct snd_soc_codec_driver soc_codec_dev_wm8990 = {
1373 .probe = wm8990_probe,
1374 .remove = wm8990_remove,
1375 .suspend = wm8990_suspend,
1376 .resume = wm8990_resume,
1377 .set_bias_level = wm8990_set_bias_level,
1378 .reg_cache_size = ARRAY_SIZE(wm8990_reg),
1379 .reg_word_size = sizeof(u16),
1380 .reg_cache_default = wm8990_reg,
1381 .volatile_register = wm8990_volatile_register,
1382};
1383
1384#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1385static __devinit int wm8990_i2c_probe(struct i2c_client *i2c,
1386 const struct i2c_device_id *id)
1387{
1388 struct wm8990_priv *wm8990;
1389 int ret;
1390
1391 wm8990 = kzalloc(sizeof(struct wm8990_priv), GFP_KERNEL);
1392 if (wm8990 == NULL)
1393 return -ENOMEM;
1394
1395 i2c_set_clientdata(i2c, wm8990);
1396
1397 ret = snd_soc_register_codec(&i2c->dev,
1398 &soc_codec_dev_wm8990, &wm8990_dai, 1);
1399 if (ret < 0)
1400 kfree(wm8990);
1401 return ret;
1402}
1403
1404static __devexit int wm8990_i2c_remove(struct i2c_client *client)
1405{
1406 snd_soc_unregister_codec(&client->dev);
1407 kfree(i2c_get_clientdata(client));
1408 return 0;
1409}
1410
1411static const struct i2c_device_id wm8990_i2c_id[] = {
1412 { "wm8990", 0 },
1413 { }
1414};
1415MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
1416
1417static struct i2c_driver wm8990_i2c_driver = {
1418 .driver = {
1419 .name = "wm8990",
1420 .owner = THIS_MODULE,
1421 },
1422 .probe = wm8990_i2c_probe,
1423 .remove = __devexit_p(wm8990_i2c_remove),
1424 .id_table = wm8990_i2c_id,
1425};
1426#endif
1427
1428static int __init wm8990_modinit(void)
1429{
1430 int ret = 0;
1431#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1432 ret = i2c_add_driver(&wm8990_i2c_driver);
1433 if (ret != 0) {
1434 printk(KERN_ERR "Failed to register wm8990 I2C driver: %d\n",
1435 ret);
1436 }
1437#endif
1438 return ret;
1439}
1440module_init(wm8990_modinit);
1441
1442static void __exit wm8990_exit(void)
1443{
1444#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1445 i2c_del_driver(&wm8990_i2c_driver);
1446#endif
1447}
1448module_exit(wm8990_exit);
1449
1450MODULE_DESCRIPTION("ASoC WM8990 driver");
1451MODULE_AUTHOR("Liam Girdwood");
1452MODULE_LICENSE("GPL");