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[ALSA] ASoC: Add WM8990 driver
[mirror_ubuntu-zesty-kernel.git] / sound / soc / codecs / wm8990.c
CommitLineData
f10485e7
MB		 1/*
2 * wm8990.c -- WM8990 ALSA Soc Audio driver
3 *
4 * Copyright 2008 Wolfson Microelectronics PLC.
5 * Author: Liam Girdwood
6 * lg@opensource.wolfsonmicro.com or 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>
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 <sound/core.h>
23#include <sound/pcm.h>
24#include <sound/pcm_params.h>
25#include <sound/soc.h>
26#include <sound/soc-dapm.h>
27#include <sound/initval.h>
28#include <sound/tlv.h>
29#include <asm/div64.h>
30
31#include "wm8990.h"
32
33#define AUDIO_NAME "wm8990"
34#define WM8990_VERSION "0.2"
35
36/*
37 * Debug
38 */
39
40#define WM8990_DEBUG 0
41
42#ifdef WM8990_DEBUG
43#define dbg(format, arg...) \
44 printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
45#else
46#define dbg(format, arg...) do {} while (0)
47#endif
48#define err(format, arg...) \
49 printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
50#define info(format, arg...) \
51 printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
52#define warn(format, arg...) \
53 printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
54
55/* codec private data */
56struct wm8990_priv {
57 unsigned int sysclk;
58 unsigned int pcmclk;
59};
60
61/*
62 * wm8990 register cache. Note that register 0 is not included in the
63 * cache.
64 */
65static const u16 wm8990_reg[] = {
66 0x8990, /* R0 - Reset */
67 0x0000, /* R1 - Power Management (1) */
68 0x6000, /* R2 - Power Management (2) */
69 0x0000, /* R3 - Power Management (3) */
70 0x4050, /* R4 - Audio Interface (1) */
71 0x4000, /* R5 - Audio Interface (2) */
72 0x01C8, /* R6 - Clocking (1) */
73 0x0000, /* R7 - Clocking (2) */
74 0x0040, /* R8 - Audio Interface (3) */
75 0x0040, /* R9 - Audio Interface (4) */
76 0x0004, /* R10 - DAC CTRL */
77 0x00C0, /* R11 - Left DAC Digital Volume */
78 0x00C0, /* R12 - Right DAC Digital Volume */
79 0x0000, /* R13 - Digital Side Tone */
80 0x0100, /* R14 - ADC CTRL */
81 0x00C0, /* R15 - Left ADC Digital Volume */
82 0x00C0, /* R16 - Right ADC Digital Volume */
83 0x0000, /* R17 */
84 0x0000, /* R18 - GPIO CTRL 1 */
85 0x1000, /* R19 - GPIO1 & GPIO2 */
86 0x1010, /* R20 - GPIO3 & GPIO4 */
87 0x1010, /* R21 - GPIO5 & GPIO6 */
88 0x8000, /* R22 - GPIOCTRL 2 */
89 0x0800, /* R23 - GPIO_POL */
90 0x008B, /* R24 - Left Line Input 1&2 Volume */
91 0x008B, /* R25 - Left Line Input 3&4 Volume */
92 0x008B, /* R26 - Right Line Input 1&2 Volume */
93 0x008B, /* R27 - Right Line Input 3&4 Volume */
94 0x0000, /* R28 - Left Output Volume */
95 0x0000, /* R29 - Right Output Volume */
96 0x0066, /* R30 - Line Outputs Volume */
97 0x0022, /* R31 - Out3/4 Volume */
98 0x0079, /* R32 - Left OPGA Volume */
99 0x0079, /* R33 - Right OPGA Volume */
100 0x0003, /* R34 - Speaker Volume */
101 0x0003, /* R35 - ClassD1 */
102 0x0000, /* R36 */
103 0x0100, /* R37 - ClassD3 */
104 0x0000, /* R38 */
105 0x0000, /* R39 - Input Mixer1 */
106 0x0000, /* R40 - Input Mixer2 */
107 0x0000, /* R41 - Input Mixer3 */
108 0x0000, /* R42 - Input Mixer4 */
109 0x0000, /* R43 - Input Mixer5 */
110 0x0000, /* R44 - Input Mixer6 */
111 0x0000, /* R45 - Output Mixer1 */
112 0x0000, /* R46 - Output Mixer2 */
113 0x0000, /* R47 - Output Mixer3 */
114 0x0000, /* R48 - Output Mixer4 */
115 0x0000, /* R49 - Output Mixer5 */
116 0x0000, /* R50 - Output Mixer6 */
117 0x0180, /* R51 - Out3/4 Mixer */
118 0x0000, /* R52 - Line Mixer1 */
119 0x0000, /* R53 - Line Mixer2 */
120 0x0000, /* R54 - Speaker Mixer */
121 0x0000, /* R55 - Additional Control */
122 0x0000, /* R56 - AntiPOP1 */
123 0x0000, /* R57 - AntiPOP2 */
124 0x0000, /* R58 - MICBIAS */
125 0x0000, /* R59 */
126 0x0008, /* R60 - PLL1 */
127 0x0031, /* R61 - PLL2 */
128 0x0026, /* R62 - PLL3 */
129};
130
131/*
132 * read wm8990 register cache
133 */
134static inline unsigned int wm8990_read_reg_cache(struct snd_soc_codec *codec,
135 unsigned int reg)
136{
137 u16 *cache = codec->reg_cache;
138 BUG_ON(reg > (ARRAY_SIZE(wm8990_reg)) - 1);
139 return cache[reg];
140}
141
142/*
143 * write wm8990 register cache
144 */
145static inline void wm8990_write_reg_cache(struct snd_soc_codec *codec,
146 unsigned int reg, unsigned int value)
147{
148 u16 *cache = codec->reg_cache;
149 BUG_ON(reg > (ARRAY_SIZE(wm8990_reg)) - 1);
150
151 /* Reset register is uncached */
152 if (reg == 0)
153 return;
154
155 cache[reg] = value;
156}
157
158/*
159 * write to the wm8990 register space
160 */
161static int wm8990_write(struct snd_soc_codec *codec, unsigned int reg,
162 unsigned int value)
163{
164 u8 data[3];
165
166 data[0] = reg & 0xFF;
167 data[1] = (value >> 8) & 0xFF;
168 data[2] = value & 0xFF;
169
170 wm8990_write_reg_cache(codec, reg, value);
171
172 if (codec->hw_write(codec->control_data, data, 3) == 2)
173 return 0;
174 else
175 return -EIO;
176}
177
178#define wm8990_reset(c) wm8990_write(c, WM8990_RESET, 0)
179
180static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
181
182static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
183
184static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, 0, -2100);
185
186static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
187
188static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
189
190static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
191
192static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
193
194static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
195
196static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
197 struct snd_ctl_elem_value *ucontrol)
198{
199 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
200 int reg = kcontrol->private_value & 0xff;
201 int ret;
202 u16 val;
203
204 ret = snd_soc_put_volsw(kcontrol, ucontrol);
205 if (ret < 0)
206 return ret;
207
208 /* now hit the volume update bits (always bit 8) */
209 val = wm8990_read_reg_cache(codec, reg);
210 return wm8990_write(codec, reg, val | 0x0100);
211}
212
213#define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
214 tlv_array) {\
215 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
216 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
217 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
218 .tlv.p = (tlv_array), \
219 .info = snd_soc_info_volsw, \
220 .get = snd_soc_get_volsw, .put = wm899x_outpga_put_volsw_vu, \
221 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
222
223
224static const char *wm8990_digital_sidetone[] =
225 {"None", "Left ADC", "Right ADC", "Reserved"};
226
227static const struct soc_enum wm8990_left_digital_sidetone_enum =
228SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
229 WM8990_ADC_TO_DACL_SHIFT,
230 WM8990_ADC_TO_DACL_MASK,
231 wm8990_digital_sidetone);
232
233static const struct soc_enum wm8990_right_digital_sidetone_enum =
234SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
235 WM8990_ADC_TO_DACR_SHIFT,
236 WM8990_ADC_TO_DACR_MASK,
237 wm8990_digital_sidetone);
238
239static const char *wm8990_adcmode[] =
240 {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
241
242static const struct soc_enum wm8990_right_adcmode_enum =
243SOC_ENUM_SINGLE(WM8990_ADC_CTRL,
244 WM8990_ADC_HPF_CUT_SHIFT,
245 WM8990_ADC_HPF_CUT_MASK,
246 wm8990_adcmode);
247
248static const struct snd_kcontrol_new wm8990_snd_controls[] = {
249/* INMIXL */
250SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
251SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
252/* INMIXR */
253SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
254SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
255
256/* LOMIX */
257SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
258 WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
259SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
260 WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
261SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
262 WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
263SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
264 WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
265SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
266 WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
267SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
268 WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
269
270/* ROMIX */
271SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
272 WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
273SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
274 WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
275SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
276 WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
277SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
278 WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
279SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
280 WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
281SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
282 WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
283
284/* LOUT */
285SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
286 WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
287SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
288
289/* ROUT */
290SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
291 WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
292SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
293
294/* LOPGA */
295SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
296 WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
297SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
298 WM8990_LOPGAZC_BIT, 1, 0),
299
300/* ROPGA */
301SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
302 WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
303SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
304 WM8990_ROPGAZC_BIT, 1, 0),
305
306SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
307 WM8990_LONMUTE_BIT, 1, 0),
308SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
309 WM8990_LOPMUTE_BIT, 1, 0),
310SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
311 WM8990_LOATTN_BIT, 1, 0),
312SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
313 WM8990_RONMUTE_BIT, 1, 0),
314SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
315 WM8990_ROPMUTE_BIT, 1, 0),
316SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
317 WM8990_ROATTN_BIT, 1, 0),
318
319SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
320 WM8990_OUT3MUTE_BIT, 1, 0),
321SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
322 WM8990_OUT3ATTN_BIT, 1, 0),
323
324SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
325 WM8990_OUT4MUTE_BIT, 1, 0),
326SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
327 WM8990_OUT4ATTN_BIT, 1, 0),
328
329SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
330 WM8990_CDMODE_BIT, 1, 0),
331
332SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
333 WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0),
334SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
335 WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
336SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
337 WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
338
339SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
340 WM8990_LEFT_DAC_DIGITAL_VOLUME,
341 WM8990_DACL_VOL_SHIFT,
342 WM8990_DACL_VOL_MASK,
343 0,
344 out_dac_tlv),
345
346SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
347 WM8990_RIGHT_DAC_DIGITAL_VOLUME,
348 WM8990_DACR_VOL_SHIFT,
349 WM8990_DACR_VOL_MASK,
350 0,
351 out_dac_tlv),
352
353SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
354SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
355
356SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
357 WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
358 out_sidetone_tlv),
359SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
360 WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
361 out_sidetone_tlv),
362
363SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
364 WM8990_ADC_HPF_ENA_BIT, 1, 0),
365
366SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
367
368SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
369 WM8990_LEFT_ADC_DIGITAL_VOLUME,
370 WM8990_ADCL_VOL_SHIFT,
371 WM8990_ADCL_VOL_MASK,
372 0,
373 in_adc_tlv),
374
375SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
376 WM8990_RIGHT_ADC_DIGITAL_VOLUME,
377 WM8990_ADCR_VOL_SHIFT,
378 WM8990_ADCR_VOL_MASK,
379 0,
380 in_adc_tlv),
381
382SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
383 WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
384 WM8990_LIN12VOL_SHIFT,
385 WM8990_LIN12VOL_MASK,
386 0,
387 in_pga_tlv),
388
389SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
390 WM8990_LI12ZC_BIT, 1, 0),
391
392SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
393 WM8990_LI12MUTE_BIT, 1, 0),
394
395SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
396 WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
397 WM8990_LIN34VOL_SHIFT,
398 WM8990_LIN34VOL_MASK,
399 0,
400 in_pga_tlv),
401
402SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
403 WM8990_LI34ZC_BIT, 1, 0),
404
405SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
406 WM8990_LI34MUTE_BIT, 1, 0),
407
408SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
409 WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
410 WM8990_RIN12VOL_SHIFT,
411 WM8990_RIN12VOL_MASK,
412 0,
413 in_pga_tlv),
414
415SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
416 WM8990_RI12ZC_BIT, 1, 0),
417
418SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
419 WM8990_RI12MUTE_BIT, 1, 0),
420
421SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
422 WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
423 WM8990_RIN34VOL_SHIFT,
424 WM8990_RIN34VOL_MASK,
425 0,
426 in_pga_tlv),
427
428SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
429 WM8990_RI34ZC_BIT, 1, 0),
430
431SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
432 WM8990_RI34MUTE_BIT, 1, 0),
433
434};
435
436/* add non dapm controls */
437static int wm8990_add_controls(struct snd_soc_codec *codec)
438{
439 int err, i;
440
441 for (i = 0; i < ARRAY_SIZE(wm8990_snd_controls); i++) {
442 err = snd_ctl_add(codec->card,
443 snd_soc_cnew(&wm8990_snd_controls[i], codec,
444 NULL));
445 if (err < 0)
446 return err;
447 }
448 return 0;
449}
450
451/*
452 * _DAPM_ Controls
453 */
454
455static int inmixer_event(struct snd_soc_dapm_widget *w,
456 struct snd_kcontrol *kcontrol, int event)
457{
458 u16 reg, fakepower;
459
460 reg = wm8990_read_reg_cache(w->codec, WM8990_POWER_MANAGEMENT_2);
461 fakepower = wm8990_read_reg_cache(w->codec, WM8990_INTDRIVBITS);
462
463 if (fakepower & ((1 << WM8990_INMIXL_PWR_BIT) |
464 (1 << WM8990_AINLMUX_PWR_BIT))) {
465 reg |= WM8990_AINL_ENA;
466 } else {
467 reg &= ~WM8990_AINL_ENA;
468 }
469
470 if (fakepower & ((1 << WM8990_INMIXR_PWR_BIT) |
471 (1 << WM8990_AINRMUX_PWR_BIT))) {
472 reg |= WM8990_AINR_ENA;
473 } else {
474 reg &= ~WM8990_AINL_ENA;
475 }
476 wm8990_write(w->codec, WM8990_POWER_MANAGEMENT_2, reg);
477
478 return 0;
479}
480
481static int outmixer_event(struct snd_soc_dapm_widget *w,
482 struct snd_kcontrol *kcontrol, int event)
483{
484 u32 reg_shift = kcontrol->private_value & 0xfff;
485 int ret = 0;
486 u16 reg;
487
488 switch (reg_shift) {
489 case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
490 reg = wm8990_read_reg_cache(w->codec, WM8990_OUTPUT_MIXER1);
491 if (reg & WM8990_LDLO) {
492 printk(KERN_WARNING
493 "Cannot set as Output Mixer 1 LDLO Set\n");
494 ret = -1;
495 }
496 break;
497 case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
498 reg = wm8990_read_reg_cache(w->codec, WM8990_OUTPUT_MIXER2);
499 if (reg & WM8990_RDRO) {
500 printk(KERN_WARNING
501 "Cannot set as Output Mixer 2 RDRO Set\n");
502 ret = -1;
503 }
504 break;
505 case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
506 reg = wm8990_read_reg_cache(w->codec, WM8990_SPEAKER_MIXER);
507 if (reg & WM8990_LDSPK) {
508 printk(KERN_WARNING
509 "Cannot set as Speaker Mixer LDSPK Set\n");
510 ret = -1;
511 }
512 break;
513 case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
514 reg = wm8990_read_reg_cache(w->codec, WM8990_SPEAKER_MIXER);
515 if (reg & WM8990_RDSPK) {
516 printk(KERN_WARNING
517 "Cannot set as Speaker Mixer RDSPK Set\n");
518 ret = -1;
519 }
520 break;
521 }
522
523 return ret;
524}
525
526/* INMIX dB values */
527static const unsigned int in_mix_tlv[] = {
528 TLV_DB_RANGE_HEAD(1),
529 0, 7, TLV_DB_LINEAR_ITEM(-1200, 600),
530};
531
532/* Left In PGA Connections */
533static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
534SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
535SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
536};
537
538static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
539SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
540SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
541};
542
543/* Right In PGA Connections */
544static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
545SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
546SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
547};
548
549static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
550SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
551SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
552};
553
554/* INMIXL */
555static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
556SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
557 WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
558SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
559 7, 0, in_mix_tlv),
560SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
561 1, 0),
562SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
563 1, 0),
564};
565
566/* INMIXR */
567static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
568SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
569 WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
570SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
571 7, 0, in_mix_tlv),
572SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
573 1, 0),
574SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
575 1, 0),
576};
577
578/* AINLMUX */
579static const char *wm8990_ainlmux[] =
580 {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
581
582static const struct soc_enum wm8990_ainlmux_enum =
583SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
584 ARRAY_SIZE(wm8990_ainlmux), wm8990_ainlmux);
585
586static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
587SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
588
589/* DIFFINL */
590
591/* AINRMUX */
592static const char *wm8990_ainrmux[] =
593 {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
594
595static const struct soc_enum wm8990_ainrmux_enum =
596SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
597 ARRAY_SIZE(wm8990_ainrmux), wm8990_ainrmux);
598
599static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
600SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
601
602/* RXVOICE */
603static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
604SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
605 WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
606SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
607 WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
608};
609
610/* LOMIX */
611static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
612SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
613 WM8990_LRBLO_BIT, 1, 0),
614SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
615 WM8990_LLBLO_BIT, 1, 0),
616SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
617 WM8990_LRI3LO_BIT, 1, 0),
618SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
619 WM8990_LLI3LO_BIT, 1, 0),
620SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
621 WM8990_LR12LO_BIT, 1, 0),
622SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
623 WM8990_LL12LO_BIT, 1, 0),
624SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
625 WM8990_LDLO_BIT, 1, 0),
626};
627
628/* ROMIX */
629static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
630SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
631 WM8990_RLBRO_BIT, 1, 0),
632SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
633 WM8990_RRBRO_BIT, 1, 0),
634SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
635 WM8990_RLI3RO_BIT, 1, 0),
636SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
637 WM8990_RRI3RO_BIT, 1, 0),
638SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
639 WM8990_RL12RO_BIT, 1, 0),
640SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
641 WM8990_RR12RO_BIT, 1, 0),
642SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
643 WM8990_RDRO_BIT, 1, 0),
644};
645
646/* LONMIX */
647static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
648SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
649 WM8990_LLOPGALON_BIT, 1, 0),
650SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
651 WM8990_LROPGALON_BIT, 1, 0),
652SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
653 WM8990_LOPLON_BIT, 1, 0),
654};
655
656/* LOPMIX */
657static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
658SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
659 WM8990_LR12LOP_BIT, 1, 0),
660SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
661 WM8990_LL12LOP_BIT, 1, 0),
662SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
663 WM8990_LLOPGALOP_BIT, 1, 0),
664};
665
666/* RONMIX */
667static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
668SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
669 WM8990_RROPGARON_BIT, 1, 0),
670SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
671 WM8990_RLOPGARON_BIT, 1, 0),
672SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
673 WM8990_ROPRON_BIT, 1, 0),
674};
675
676/* ROPMIX */
677static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
678SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
679 WM8990_RL12ROP_BIT, 1, 0),
680SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
681 WM8990_RR12ROP_BIT, 1, 0),
682SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
683 WM8990_RROPGAROP_BIT, 1, 0),
684};
685
686/* OUT3MIX */
687static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
688SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
689 WM8990_LI4O3_BIT, 1, 0),
690SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
691 WM8990_LPGAO3_BIT, 1, 0),
692};
693
694/* OUT4MIX */
695static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
696SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
697 WM8990_RPGAO4_BIT, 1, 0),
698SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
699 WM8990_RI4O4_BIT, 1, 0),
700};
701
702/* SPKMIX */
703static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
704SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
705 WM8990_LI2SPK_BIT, 1, 0),
706SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
707 WM8990_LB2SPK_BIT, 1, 0),
708SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
709 WM8990_LOPGASPK_BIT, 1, 0),
710SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
711 WM8990_LDSPK_BIT, 1, 0),
712SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
713 WM8990_RDSPK_BIT, 1, 0),
714SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
715 WM8990_ROPGASPK_BIT, 1, 0),
716SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
717 WM8990_RL12ROP_BIT, 1, 0),
718SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
719 WM8990_RI2SPK_BIT, 1, 0),
720};
721
722static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
723/* Input Side */
724/* Input Lines */
725SND_SOC_DAPM_INPUT("LIN1"),
726SND_SOC_DAPM_INPUT("LIN2"),
727SND_SOC_DAPM_INPUT("LIN3"),
728SND_SOC_DAPM_INPUT("LIN4/RXN"),
729SND_SOC_DAPM_INPUT("RIN3"),
730SND_SOC_DAPM_INPUT("RIN4/RXP"),
731SND_SOC_DAPM_INPUT("RIN1"),
732SND_SOC_DAPM_INPUT("RIN2"),
733SND_SOC_DAPM_INPUT("Internal ADC Source"),
734
735/* DACs */
736SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
737 WM8990_ADCL_ENA_BIT, 0),
738SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
739 WM8990_ADCR_ENA_BIT, 0),
740
741/* Input PGAs */
742SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
743 0, &wm8990_dapm_lin12_pga_controls[0],
744 ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
745SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
746 0, &wm8990_dapm_lin34_pga_controls[0],
747 ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
748SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
749 0, &wm8990_dapm_rin12_pga_controls[0],
750 ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
751SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
752 0, &wm8990_dapm_rin34_pga_controls[0],
753 ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
754
755/* INMIXL */
756SND_SOC_DAPM_MIXER_E("INMIXL", WM8990_INTDRIVBITS, WM8990_INMIXL_PWR_BIT, 0,
757 &wm8990_dapm_inmixl_controls[0],
758 ARRAY_SIZE(wm8990_dapm_inmixl_controls),
759 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
760
761/* AINLMUX */
762SND_SOC_DAPM_MUX_E("AILNMUX", WM8990_INTDRIVBITS, WM8990_AINLMUX_PWR_BIT, 0,
763 &wm8990_dapm_ainlmux_controls, inmixer_event,
764 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
765
766/* INMIXR */
767SND_SOC_DAPM_MIXER_E("INMIXR", WM8990_INTDRIVBITS, WM8990_INMIXR_PWR_BIT, 0,
768 &wm8990_dapm_inmixr_controls[0],
769 ARRAY_SIZE(wm8990_dapm_inmixr_controls),
770 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
771
772/* AINRMUX */
773SND_SOC_DAPM_MUX_E("AIRNMUX", WM8990_INTDRIVBITS, WM8990_AINRMUX_PWR_BIT, 0,
774 &wm8990_dapm_ainrmux_controls, inmixer_event,
775 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
776
777/* Output Side */
778/* DACs */
779SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
780 WM8990_DACL_ENA_BIT, 0),
781SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
782 WM8990_DACR_ENA_BIT, 0),
783
784/* LOMIX */
785SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
786 0, &wm8990_dapm_lomix_controls[0],
787 ARRAY_SIZE(wm8990_dapm_lomix_controls),
788 outmixer_event, SND_SOC_DAPM_PRE_REG),
789
790/* LONMIX */
791SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
792 &wm8990_dapm_lonmix_controls[0],
793 ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
794
795/* LOPMIX */
796SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
797 &wm8990_dapm_lopmix_controls[0],
798 ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
799
800/* OUT3MIX */
801SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
802 &wm8990_dapm_out3mix_controls[0],
803 ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
804
805/* SPKMIX */
806SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
807 &wm8990_dapm_spkmix_controls[0],
808 ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
809 SND_SOC_DAPM_PRE_REG),
810
811/* OUT4MIX */
812SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
813 &wm8990_dapm_out4mix_controls[0],
814 ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
815
816/* ROPMIX */
817SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
818 &wm8990_dapm_ropmix_controls[0],
819 ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
820
821/* RONMIX */
822SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
823 &wm8990_dapm_ronmix_controls[0],
824 ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
825
826/* ROMIX */
827SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
828 0, &wm8990_dapm_romix_controls[0],
829 ARRAY_SIZE(wm8990_dapm_romix_controls),
830 outmixer_event, SND_SOC_DAPM_PRE_REG),
831
832/* LOUT PGA */
833SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
834 NULL, 0),
835
836/* ROUT PGA */
837SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
838 NULL, 0),
839
840/* LOPGA */
841SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
842 NULL, 0),
843
844/* ROPGA */
845SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
846 NULL, 0),
847
848/* MICBIAS */
849SND_SOC_DAPM_MICBIAS("MICBIAS", WM8990_POWER_MANAGEMENT_1,
850 WM8990_MICBIAS_ENA_BIT, 0),
851
852SND_SOC_DAPM_OUTPUT("LON"),
853SND_SOC_DAPM_OUTPUT("LOP"),
854SND_SOC_DAPM_OUTPUT("OUT3"),
855SND_SOC_DAPM_OUTPUT("LOUT"),
856SND_SOC_DAPM_OUTPUT("SPKN"),
857SND_SOC_DAPM_OUTPUT("SPKP"),
858SND_SOC_DAPM_OUTPUT("ROUT"),
859SND_SOC_DAPM_OUTPUT("OUT4"),
860SND_SOC_DAPM_OUTPUT("ROP"),
861SND_SOC_DAPM_OUTPUT("RON"),
862
863SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
864};
865
866static const struct snd_soc_dapm_route audio_map[] = {
867 /* Make DACs turn on when playing even if not mixed into any outputs */
868 {"Internal DAC Sink", NULL, "Left DAC"},
869 {"Internal DAC Sink", NULL, "Right DAC"},
870
871 /* Make ADCs turn on when recording even if not mixed from any inputs */
872 {"Left ADC", NULL, "Internal ADC Source"},
873 {"Right ADC", NULL, "Internal ADC Source"},
874
875 /* Input Side */
876 /* LIN12 PGA */
877 {"LIN12 PGA", "LIN1 Switch", "LIN1"},
878 {"LIN12 PGA", "LIN2 Switch", "LIN2"},
879 /* LIN34 PGA */
880 {"LIN34 PGA", "LIN3 Switch", "LIN3"},
881 {"LIN34 PGA", "LIN4 Switch", "LIN4"},
882 /* INMIXL */
883 {"INMIXL", "Record Left Volume", "LOMIX"},
884 {"INMIXL", "LIN2 Volume", "LIN2"},
885 {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
886 {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
887 /* AILNMUX */
888 {"AILNMUX", "INMIXL Mix", "INMIXL"},
889 {"AILNMUX", "DIFFINL Mix", "LIN12PGA"},
890 {"AILNMUX", "DIFFINL Mix", "LIN34PGA"},
891 {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
892 {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
893 /* ADC */
894 {"Left ADC", NULL, "AILNMUX"},
895
896 /* RIN12 PGA */
897 {"RIN12 PGA", "RIN1 Switch", "RIN1"},
898 {"RIN12 PGA", "RIN2 Switch", "RIN2"},
899 /* RIN34 PGA */
900 {"RIN34 PGA", "RIN3 Switch", "RIN3"},
901 {"RIN34 PGA", "RIN4 Switch", "RIN4"},
902 /* INMIXL */
903 {"INMIXR", "Record Right Volume", "ROMIX"},
904 {"INMIXR", "RIN2 Volume", "RIN2"},
905 {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
906 {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
907 /* AIRNMUX */
908 {"AIRNMUX", "INMIXR Mix", "INMIXR"},
909 {"AIRNMUX", "DIFFINR Mix", "RIN12PGA"},
910 {"AIRNMUX", "DIFFINR Mix", "RIN34PGA"},
911 {"AIRNMUX", "RXVOICE Mix", "RIN4/RXN"},
912 {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
913 /* ADC */
914 {"Right ADC", NULL, "AIRNMUX"},
915
916 /* LOMIX */
917 {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
918 {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
919 {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
920 {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
921 {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
922 {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
923 {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
924
925 /* ROMIX */
926 {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
927 {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
928 {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
929 {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
930 {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
931 {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
932 {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
933
934 /* SPKMIX */
935 {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
936 {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
937 {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
938 {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
939 {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
940 {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
941 {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
942 {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
943
944 /* LONMIX */
945 {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
946 {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
947 {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
948
949 /* LOPMIX */
950 {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
951 {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
952 {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
953
954 /* OUT3MIX */
955 {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXP"},
956 {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
957
958 /* OUT4MIX */
959 {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
960 {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
961
962 /* RONMIX */
963 {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
964 {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
965 {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
966
967 /* ROPMIX */
968 {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
969 {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
970 {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
971
972 /* Out Mixer PGAs */
973 {"LOPGA", NULL, "LOMIX"},
974 {"ROPGA", NULL, "ROMIX"},
975
976 {"LOUT PGA", NULL, "LOMIX"},
977 {"ROUT PGA", NULL, "ROMIX"},
978
979 /* Output Pins */
980 {"LON", NULL, "LONMIX"},
981 {"LOP", NULL, "LOPMIX"},
982 {"OUT", NULL, "OUT3MIX"},
983 {"LOUT", NULL, "LOUT PGA"},
984 {"SPKN", NULL, "SPKMIX"},
985 {"ROUT", NULL, "ROUT PGA"},
986 {"OUT4", NULL, "OUT4MIX"},
987 {"ROP", NULL, "ROPMIX"},
988 {"RON", NULL, "RONMIX"},
989};
990
991static int wm8990_add_widgets(struct snd_soc_codec *codec)
992{
993 snd_soc_dapm_new_controls(codec, wm8990_dapm_widgets,
994 ARRAY_SIZE(wm8990_dapm_widgets));
995
996 /* set up the WM8990 audio map */
997 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
998
999 snd_soc_dapm_new_widgets(codec);
1000 return 0;
1001}
1002
1003/* PLL divisors */
1004struct _pll_div {
1005 u32 div2;
1006 u32 n;
1007 u32 k;
1008};
1009
1010/* The size in bits of the pll divide multiplied by 10
1011 * to allow rounding later */
1012#define FIXED_PLL_SIZE ((1 << 16) * 10)
1013
1014static void pll_factors(struct _pll_div *pll_div, unsigned int target,
1015 unsigned int source)
1016{
1017 u64 Kpart;
1018 unsigned int K, Ndiv, Nmod;
1019
1020
1021 Ndiv = target / source;
1022 if (Ndiv < 6) {
1023 source >>= 1;
1024 pll_div->div2 = 1;
1025 Ndiv = target / source;
1026 } else
1027 pll_div->div2 = 0;
1028
1029 if ((Ndiv < 6) || (Ndiv > 12))
1030 printk(KERN_WARNING
1031 "WM8990 N value outwith recommended range! N = %d\n", Ndiv);
1032
1033 pll_div->n = Ndiv;
1034 Nmod = target % source;
1035 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
1036
1037 do_div(Kpart, source);
1038
1039 K = Kpart & 0xFFFFFFFF;
1040
1041 /* Check if we need to round */
1042 if ((K % 10) >= 5)
1043 K += 5;
1044
1045 /* Move down to proper range now rounding is done */
1046 K /= 10;
1047
1048 pll_div->k = K;
1049}
1050
1051static int wm8990_set_dai_pll(struct snd_soc_codec_dai *codec_dai,
1052 int pll_id, unsigned int freq_in, unsigned int freq_out)
1053{
1054 u16 reg;
1055 struct snd_soc_codec *codec = codec_dai->codec;
1056 struct _pll_div pll_div;
1057
1058 if (freq_in && freq_out) {
1059 pll_factors(&pll_div, freq_out * 4, freq_in);
1060
1061 /* Turn on PLL */
1062 reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
1063 reg |= WM8990_PLL_ENA;
1064 wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
1065
1066 /* sysclk comes from PLL */
1067 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2);
1068 wm8990_write(codec, WM8990_CLOCKING_2, reg | WM8990_SYSCLK_SRC);
1069
1070 /* set up N , fractional mode and pre-divisor if neccessary */
1071 wm8990_write(codec, WM8990_PLL1, pll_div.n | WM8990_SDM |
1072 (pll_div.div2?WM8990_PRESCALE:0));
1073 wm8990_write(codec, WM8990_PLL2, (u8)(pll_div.k>>8));
1074 wm8990_write(codec, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
1075 } else {
1076 /* Turn on PLL */
1077 reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
1078 reg &= ~WM8990_PLL_ENA;
1079 wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
1080 }
1081 return 0;
1082}
1083
1084/*
1085 * Clock after PLL and dividers
1086 */
1087static int wm8990_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai,
1088 int clk_id, unsigned int freq, int dir)
1089{
1090 struct snd_soc_codec *codec = codec_dai->codec;
1091 struct wm8990_priv *wm8990 = codec->private_data;
1092
1093 wm8990->sysclk = freq;
1094 return 0;
1095}
1096
1097/*
1098 * Set's ADC and Voice DAC format.
1099 */
1100static int wm8990_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
1101 unsigned int fmt)
1102{
1103 struct snd_soc_codec *codec = codec_dai->codec;
1104 u16 audio1, audio3;
1105
1106 audio1 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_1);
1107 audio3 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_3);
1108
1109 /* set master/slave audio interface */
1110 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1111 case SND_SOC_DAIFMT_CBS_CFS:
1112 audio3 &= ~WM8990_AIF_MSTR1;
1113 break;
1114 case SND_SOC_DAIFMT_CBM_CFM:
1115 audio3 |= WM8990_AIF_MSTR1;
1116 break;
1117 default:
1118 return -EINVAL;
1119 }
1120
1121 audio1 &= ~WM8990_AIF_FMT_MASK;
1122
1123 /* interface format */
1124 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1125 case SND_SOC_DAIFMT_I2S:
1126 audio1 |= WM8990_AIF_TMF_I2S;
1127 audio1 &= ~WM8990_AIF_LRCLK_INV;
1128 break;
1129 case SND_SOC_DAIFMT_RIGHT_J:
1130 audio1 |= WM8990_AIF_TMF_RIGHTJ;
1131 audio1 &= ~WM8990_AIF_LRCLK_INV;
1132 break;
1133 case SND_SOC_DAIFMT_LEFT_J:
1134 audio1 |= WM8990_AIF_TMF_LEFTJ;
1135 audio1 &= ~WM8990_AIF_LRCLK_INV;
1136 break;
1137 case SND_SOC_DAIFMT_DSP_A:
1138 audio1 |= WM8990_AIF_TMF_DSP;
1139 audio1 &= ~WM8990_AIF_LRCLK_INV;
1140 break;
1141 case SND_SOC_DAIFMT_DSP_B:
1142 audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
1143 break;
1144 default:
1145 return -EINVAL;
1146 }
1147
1148 wm8990_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1149 wm8990_write(codec, WM8990_AUDIO_INTERFACE_3, audio3);
1150 return 0;
1151}
1152
1153static int wm8990_set_dai_clkdiv(struct snd_soc_codec_dai *codec_dai,
1154 int div_id, int div)
1155{
1156 struct snd_soc_codec *codec = codec_dai->codec;
1157 u16 reg;
1158
1159 switch (div_id) {
1160 case WM8990_MCLK_DIV:
1161 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
1162 ~WM8990_MCLK_DIV_MASK;
1163 wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
1164 break;
1165 case WM8990_DACCLK_DIV:
1166 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
1167 ~WM8990_DAC_CLKDIV_MASK;
1168 wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
1169 break;
1170 case WM8990_ADCCLK_DIV:
1171 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
1172 ~WM8990_ADC_CLKDIV_MASK;
1173 wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
1174 break;
1175 case WM8990_BCLK_DIV:
1176 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_1) &
1177 ~WM8990_BCLK_DIV_MASK;
1178 wm8990_write(codec, WM8990_CLOCKING_1, reg | div);
1179 break;
1180 default:
1181 return -EINVAL;
1182 }
1183
1184 return 0;
1185}
1186
1187/*
1188 * Set PCM DAI bit size and sample rate.
1189 */
1190static int wm8990_hw_params(struct snd_pcm_substream *substream,
1191 struct snd_pcm_hw_params *params)
1192{
1193 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1194 struct snd_soc_device *socdev = rtd->socdev;
1195 struct snd_soc_codec *codec = socdev->codec;
1196 u16 audio1 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_1);
1197
1198 audio1 &= ~WM8990_AIF_WL_MASK;
1199 /* bit size */
1200 switch (params_format(params)) {
1201 case SNDRV_PCM_FORMAT_S16_LE:
1202 break;
1203 case SNDRV_PCM_FORMAT_S20_3LE:
1204 audio1 |= WM8990_AIF_WL_20BITS;
1205 break;
1206 case SNDRV_PCM_FORMAT_S24_LE:
1207 audio1 |= WM8990_AIF_WL_24BITS;
1208 break;
1209 case SNDRV_PCM_FORMAT_S32_LE:
1210 audio1 |= WM8990_AIF_WL_32BITS;
1211 break;
1212 }
1213
1214 wm8990_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1215 return 0;
1216}
1217
1218static int wm8990_mute(struct snd_soc_codec_dai *dai, int mute)
1219{
1220 struct snd_soc_codec *codec = dai->codec;
1221 u16 val;
1222
1223 val = wm8990_read_reg_cache(codec, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
1224
1225 if (mute)
1226 wm8990_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1227 else
1228 wm8990_write(codec, WM8990_DAC_CTRL, val);
1229
1230 return 0;
1231}
1232
1233static int wm8990_set_bias_level(struct snd_soc_codec *codec,
1234 enum snd_soc_bias_level level)
1235{
1236 u16 val;
1237
1238 switch (level) {
1239 case SND_SOC_BIAS_ON:
1240 break;
1241 case SND_SOC_BIAS_PREPARE:
1242 break;
1243 case SND_SOC_BIAS_STANDBY:
1244 if (codec->bias_level == SND_SOC_BIAS_OFF) {
1245 /* Enable all output discharge bits */
1246 wm8990_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1247 WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1248 WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1249 WM8990_DIS_ROUT);
1250
1251 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1252 wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1253 WM8990_BUFDCOPEN | WM8990_POBCTRL |
1254 WM8990_VMIDTOG);
1255
1256 /* Delay to allow output caps to discharge */
1257 msleep(msecs_to_jiffies(300));
1258
1259 /* Disable VMIDTOG */
1260 wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1261 WM8990_BUFDCOPEN | WM8990_POBCTRL);
1262
1263 /* disable all output discharge bits */
1264 wm8990_write(codec, WM8990_ANTIPOP1, 0);
1265
1266 /* Enable outputs */
1267 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1b00);
1268
1269 msleep(msecs_to_jiffies(50));
1270
1271 /* Enable VMID at 2x50k */
1272 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f02);
1273
1274 msleep(msecs_to_jiffies(100));
1275
1276 /* Enable VREF */
1277 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1278
1279 msleep(msecs_to_jiffies(600));
1280
1281 /* Enable BUFIOEN */
1282 wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1283 WM8990_BUFDCOPEN | WM8990_POBCTRL |
1284 WM8990_BUFIOEN);
1285
1286 /* Disable outputs */
1287 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x3);
1288
1289 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1290 wm8990_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN);
1291 } else {
1292 /* ON -> standby */
1293
1294 }
1295 break;
1296
1297 case SND_SOC_BIAS_OFF:
1298 /* Enable POBCTRL and SOFT_ST */
1299 wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1300 WM8990_POBCTRL | WM8990_BUFIOEN);
1301
1302 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1303 wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1304 WM8990_BUFDCOPEN | WM8990_POBCTRL |
1305 WM8990_BUFIOEN);
1306
1307 /* mute DAC */
1308 val = wm8990_read_reg_cache(codec, WM8990_DAC_CTRL);
1309 wm8990_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1310
1311 /* Enable any disabled outputs */
1312 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1313
1314 /* Disable VMID */
1315 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f01);
1316
1317 msleep(msecs_to_jiffies(300));
1318
1319 /* Enable all output discharge bits */
1320 wm8990_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1321 WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1322 WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1323 WM8990_DIS_ROUT);
1324
1325 /* Disable VREF */
1326 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x0);
1327
1328 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1329 wm8990_write(codec, WM8990_ANTIPOP2, 0x0);
1330 break;
1331 }
1332
1333 codec->bias_level = level;
1334 return 0;
1335}
1336
1337#define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1338 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
1339 SNDRV_PCM_RATE_48000)
1340
1341#define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1342 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1343
1344/*
1345 * The WM8990 supports 2 different and mutually exclusive DAI
1346 * configurations.
1347 *
1348 * 1. ADC/DAC on Primary Interface
1349 * 2. ADC on Primary Interface/DAC on secondary
1350 */
1351struct snd_soc_codec_dai wm8990_dai = {
1352/* ADC/DAC on primary */
1353 .name = "WM8990 ADC/DAC Primary",
1354 .id = 1,
1355 .playback = {
1356 .stream_name = "Playback",
1357 .channels_min = 1,
1358 .channels_max = 2,
1359 .rates = WM8990_RATES,
1360 .formats = WM8990_FORMATS,},
1361 .capture = {
1362 .stream_name = "Capture",
1363 .channels_min = 1,
1364 .channels_max = 2,
1365 .rates = WM8990_RATES,
1366 .formats = WM8990_FORMATS,},
1367 .ops = {
1368 .hw_params = wm8990_hw_params,},
1369 .dai_ops = {
1370 .digital_mute = wm8990_mute,
1371 .set_fmt = wm8990_set_dai_fmt,
1372 .set_clkdiv = wm8990_set_dai_clkdiv,
1373 .set_pll = wm8990_set_dai_pll,
1374 .set_sysclk = wm8990_set_dai_sysclk,
1375 },
1376};
1377EXPORT_SYMBOL_GPL(wm8990_dai);
1378
1379static int wm8990_suspend(struct platform_device *pdev, pm_message_t state)
1380{
1381 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1382 struct snd_soc_codec *codec = socdev->codec;
1383
1384 /* we only need to suspend if we are a valid card */
1385 if (!codec->card)
1386 return 0;
1387
1388 wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1389 return 0;
1390}
1391
1392static int wm8990_resume(struct platform_device *pdev)
1393{
1394 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1395 struct snd_soc_codec *codec = socdev->codec;
1396 int i;
1397 u8 data[2];
1398 u16 *cache = codec->reg_cache;
1399
1400 /* we only need to resume if we are a valid card */
1401 if (!codec->card)
1402 return 0;
1403
1404 /* Sync reg_cache with the hardware */
1405 for (i = 0; i < ARRAY_SIZE(wm8990_reg); i++) {
1406 if (i + 1 == WM8990_RESET)
1407 continue;
1408 data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001);
1409 data[1] = cache[i] & 0x00ff;
1410 codec->hw_write(codec->control_data, data, 2);
1411 }
1412
1413 wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1414 return 0;
1415}
1416
1417/*
1418 * initialise the WM8990 driver
1419 * register the mixer and dsp interfaces with the kernel
1420 */
1421static int wm8990_init(struct snd_soc_device *socdev)
1422{
1423 struct snd_soc_codec *codec = socdev->codec;
1424 u16 reg;
1425 int ret = 0;
1426
1427 codec->name = "WM8990";
1428 codec->owner = THIS_MODULE;
1429 codec->read = wm8990_read_reg_cache;
1430 codec->write = wm8990_write;
1431 codec->set_bias_level = wm8990_set_bias_level;
1432 codec->dai = &wm8990_dai;
1433 codec->num_dai = 2;
1434 codec->reg_cache_size = ARRAY_SIZE(wm8990_reg);
1435 codec->reg_cache = kmemdup(wm8990_reg, sizeof(wm8990_reg), GFP_KERNEL);
1436
1437 if (codec->reg_cache == NULL)
1438 return -ENOMEM;
1439
1440 wm8990_reset(codec);
1441
1442 /* register pcms */
1443 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1444 if (ret < 0) {
1445 printk(KERN_ERR "wm8990: failed to create pcms\n");
1446 goto pcm_err;
1447 }
1448
1449 /* charge output caps */
1450 codec->bias_level = SND_SOC_BIAS_OFF;
1451 wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1452
1453 reg = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_4);
1454 wm8990_write(codec, WM8990_AUDIO_INTERFACE_4, reg | WM8990_ALRCGPIO1);
1455
1456 reg = wm8990_read_reg_cache(codec, WM8990_GPIO1_GPIO2) &
1457 ~WM8990_GPIO1_SEL_MASK;
1458 wm8990_write(codec, WM8990_GPIO1_GPIO2, reg | 1);
1459
1460 reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
1461 wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg | WM8990_OPCLK_ENA);
1462
1463 wm8990_write(codec, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1464 wm8990_write(codec, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1465
1466 wm8990_add_controls(codec);
1467 wm8990_add_widgets(codec);
1468 ret = snd_soc_register_card(socdev);
1469 if (ret < 0) {
1470 printk(KERN_ERR "wm8990: failed to register card\n");
1471 goto card_err;
1472 }
1473 return ret;
1474
1475card_err:
1476 snd_soc_free_pcms(socdev);
1477 snd_soc_dapm_free(socdev);
1478pcm_err:
1479 kfree(codec->reg_cache);
1480 return ret;
1481}
1482
1483/* If the i2c layer weren't so broken, we could pass this kind of data
1484 around */
1485static struct snd_soc_device *wm8990_socdev;
1486
1487#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1488
1489/*
1490 * WM891 2 wire address is determined by GPIO5
1491 * state during powerup.
1492 * low = 0x34
1493 * high = 0x36
1494 */
1495static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
1496
1497/* Magic definition of all other variables and things */
1498I2C_CLIENT_INSMOD;
1499
1500static struct i2c_driver wm8990_i2c_driver;
1501static struct i2c_client client_template;
1502
1503static int wm8990_codec_probe(struct i2c_adapter *adap, int addr, int kind)
1504{
1505 struct snd_soc_device *socdev = wm8990_socdev;
1506 struct wm8990_setup_data *setup = socdev->codec_data;
1507 struct snd_soc_codec *codec = socdev->codec;
1508 struct i2c_client *i2c;
1509 int ret;
1510
1511 if (addr != setup->i2c_address)
1512 return -ENODEV;
1513
1514 client_template.adapter = adap;
1515 client_template.addr = addr;
1516
1517 i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
1518 if (i2c == NULL) {
1519 kfree(codec);
1520 return -ENOMEM;
1521 }
1522 i2c_set_clientdata(i2c, codec);
1523 codec->control_data = i2c;
1524
1525 ret = i2c_attach_client(i2c);
1526 if (ret < 0) {
1527 err("failed to attach codec at addr %x\n", addr);
1528 goto err;
1529 }
1530
1531 ret = wm8990_init(socdev);
1532 if (ret < 0) {
1533 err("failed to initialise WM8990\n");
1534 goto err;
1535 }
1536 return ret;
1537
1538err:
1539 kfree(codec);
1540 kfree(i2c);
1541 return ret;
1542}
1543
1544static int wm8990_i2c_detach(struct i2c_client *client)
1545{
1546 struct snd_soc_codec *codec = i2c_get_clientdata(client);
1547 i2c_detach_client(client);
1548 kfree(codec->reg_cache);
1549 kfree(client);
1550 return 0;
1551}
1552
1553static int wm8990_i2c_attach(struct i2c_adapter *adap)
1554{
1555 return i2c_probe(adap, &addr_data, wm8990_codec_probe);
1556}
1557
1558static struct i2c_driver wm8990_i2c_driver = {
1559 .driver = {
1560 .name = "WM8990 I2C Codec",
1561 .owner = THIS_MODULE,
1562 },
1563 .attach_adapter = wm8990_i2c_attach,
1564 .detach_client = wm8990_i2c_detach,
1565 .command = NULL,
1566};
1567
1568static struct i2c_client client_template = {
1569 .name = "WM8990",
1570 .driver = &wm8990_i2c_driver,
1571};
1572#endif
1573
1574static int wm8990_probe(struct platform_device *pdev)
1575{
1576 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1577 struct wm8990_setup_data *setup;
1578 struct snd_soc_codec *codec;
1579 struct wm8990_priv *wm8990;
1580 int ret = 0;
1581
1582 info("WM8990 Audio Codec %s\n", WM8990_VERSION);
1583
1584 setup = socdev->codec_data;
1585 codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
1586 if (codec == NULL)
1587 return -ENOMEM;
1588
1589 wm8990 = kzalloc(sizeof(struct wm8990_priv), GFP_KERNEL);
1590 if (wm8990 == NULL) {
1591 kfree(codec);
1592 return -ENOMEM;
1593 }
1594
1595 codec->private_data = wm8990;
1596 socdev->codec = codec;
1597 mutex_init(&codec->mutex);
1598 INIT_LIST_HEAD(&codec->dapm_widgets);
1599 INIT_LIST_HEAD(&codec->dapm_paths);
1600 wm8990_socdev = socdev;
1601
1602#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1603 if (setup->i2c_address) {
1604 normal_i2c[0] = setup->i2c_address;
1605 codec->hw_write = (hw_write_t)i2c_master_send;
1606 ret = i2c_add_driver(&wm8990_i2c_driver);
1607 if (ret != 0)
1608 printk(KERN_ERR "can't add i2c driver");
1609 }
1610#else
1611 /* Add other interfaces here */
1612#endif
1613 return ret;
1614}
1615
1616/* power down chip */
1617static int wm8990_remove(struct platform_device *pdev)
1618{
1619 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1620 struct snd_soc_codec *codec = socdev->codec;
1621
1622 if (codec->control_data)
1623 wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1624 snd_soc_free_pcms(socdev);
1625 snd_soc_dapm_free(socdev);
1626#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1627 i2c_del_driver(&wm8990_i2c_driver);
1628#endif
1629 kfree(codec->private_data);
1630 kfree(codec);
1631
1632 return 0;
1633}
1634
1635struct snd_soc_codec_device soc_codec_dev_wm8990 = {
1636 .probe = wm8990_probe,
1637 .remove = wm8990_remove,
1638 .suspend = wm8990_suspend,
1639 .resume = wm8990_resume,
1640};
1641EXPORT_SYMBOL_GPL(soc_codec_dev_wm8990);
1642
1643MODULE_DESCRIPTION("ASoC WM8990 driver");
1644MODULE_AUTHOR("Liam Girdwood");
1645MODULE_LICENSE("GPL");
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