Merge branch 'topic/asoc' into for-linus
[pandora-kernel.git] / sound / soc / codecs / wm8990.c
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/platform_device.h>
21 #include <linux/slab.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 WM8990_VERSION "0.2"
34
35 /* codec private data */
36 struct wm8990_priv {
37         unsigned int sysclk;
38         unsigned int pcmclk;
39 };
40
41 /*
42  * wm8990 register cache.  Note that register 0 is not included in the
43  * cache.
44  */
45 static const u16 wm8990_reg[] = {
46         0x8990,     /* R0  - Reset */
47         0x0000,     /* R1  - Power Management (1) */
48         0x6000,     /* R2  - Power Management (2) */
49         0x0000,     /* R3  - Power Management (3) */
50         0x4050,     /* R4  - Audio Interface (1) */
51         0x4000,     /* R5  - Audio Interface (2) */
52         0x01C8,     /* R6  - Clocking (1) */
53         0x0000,     /* R7  - Clocking (2) */
54         0x0040,     /* R8  - Audio Interface (3) */
55         0x0040,     /* R9  - Audio Interface (4) */
56         0x0004,     /* R10 - DAC CTRL */
57         0x00C0,     /* R11 - Left DAC Digital Volume */
58         0x00C0,     /* R12 - Right DAC Digital Volume */
59         0x0000,     /* R13 - Digital Side Tone */
60         0x0100,     /* R14 - ADC CTRL */
61         0x00C0,     /* R15 - Left ADC Digital Volume */
62         0x00C0,     /* R16 - Right ADC Digital Volume */
63         0x0000,     /* R17 */
64         0x0000,     /* R18 - GPIO CTRL 1 */
65         0x1000,     /* R19 - GPIO1 & GPIO2 */
66         0x1010,     /* R20 - GPIO3 & GPIO4 */
67         0x1010,     /* R21 - GPIO5 & GPIO6 */
68         0x8000,     /* R22 - GPIOCTRL 2 */
69         0x0800,     /* R23 - GPIO_POL */
70         0x008B,     /* R24 - Left Line Input 1&2 Volume */
71         0x008B,     /* R25 - Left Line Input 3&4 Volume */
72         0x008B,     /* R26 - Right Line Input 1&2 Volume */
73         0x008B,     /* R27 - Right Line Input 3&4 Volume */
74         0x0000,     /* R28 - Left Output Volume */
75         0x0000,     /* R29 - Right Output Volume */
76         0x0066,     /* R30 - Line Outputs Volume */
77         0x0022,     /* R31 - Out3/4 Volume */
78         0x0079,     /* R32 - Left OPGA Volume */
79         0x0079,     /* R33 - Right OPGA Volume */
80         0x0003,     /* R34 - Speaker Volume */
81         0x0003,     /* R35 - ClassD1 */
82         0x0000,     /* R36 */
83         0x0100,     /* R37 - ClassD3 */
84         0x0079,     /* R38 - ClassD4 */
85         0x0000,     /* R39 - Input Mixer1 */
86         0x0000,     /* R40 - Input Mixer2 */
87         0x0000,     /* R41 - Input Mixer3 */
88         0x0000,     /* R42 - Input Mixer4 */
89         0x0000,     /* R43 - Input Mixer5 */
90         0x0000,     /* R44 - Input Mixer6 */
91         0x0000,     /* R45 - Output Mixer1 */
92         0x0000,     /* R46 - Output Mixer2 */
93         0x0000,     /* R47 - Output Mixer3 */
94         0x0000,     /* R48 - Output Mixer4 */
95         0x0000,     /* R49 - Output Mixer5 */
96         0x0000,     /* R50 - Output Mixer6 */
97         0x0180,     /* R51 - Out3/4 Mixer */
98         0x0000,     /* R52 - Line Mixer1 */
99         0x0000,     /* R53 - Line Mixer2 */
100         0x0000,     /* R54 - Speaker Mixer */
101         0x0000,     /* R55 - Additional Control */
102         0x0000,     /* R56 - AntiPOP1 */
103         0x0000,     /* R57 - AntiPOP2 */
104         0x0000,     /* R58 - MICBIAS */
105         0x0000,     /* R59 */
106         0x0008,     /* R60 - PLL1 */
107         0x0031,     /* R61 - PLL2 */
108         0x0026,     /* R62 - PLL3 */
109         0x0000,     /* R63 - Driver internal */
110 };
111
112 #define wm8990_reset(c) snd_soc_write(c, WM8990_RESET, 0)
113
114 static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
115
116 static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
117
118 static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, 0, -2100);
119
120 static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
121
122 static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
123
124 static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
125
126 static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
127
128 static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
129
130 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
131         struct snd_ctl_elem_value *ucontrol)
132 {
133         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
134         struct soc_mixer_control *mc =
135                 (struct soc_mixer_control *)kcontrol->private_value;
136         int reg = mc->reg;
137         int ret;
138         u16 val;
139
140         ret = snd_soc_put_volsw(kcontrol, ucontrol);
141         if (ret < 0)
142                 return ret;
143
144         /* now hit the volume update bits (always bit 8) */
145         val = snd_soc_read(codec, reg);
146         return snd_soc_write(codec, reg, val | 0x0100);
147 }
148
149 #define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
150          tlv_array) {\
151         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
152         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
153                   SNDRV_CTL_ELEM_ACCESS_READWRITE,\
154         .tlv.p = (tlv_array), \
155         .info = snd_soc_info_volsw, \
156         .get = snd_soc_get_volsw, .put = wm899x_outpga_put_volsw_vu, \
157         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
158
159
160 static const char *wm8990_digital_sidetone[] =
161         {"None", "Left ADC", "Right ADC", "Reserved"};
162
163 static const struct soc_enum wm8990_left_digital_sidetone_enum =
164 SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
165         WM8990_ADC_TO_DACL_SHIFT,
166         WM8990_ADC_TO_DACL_MASK,
167         wm8990_digital_sidetone);
168
169 static const struct soc_enum wm8990_right_digital_sidetone_enum =
170 SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
171         WM8990_ADC_TO_DACR_SHIFT,
172         WM8990_ADC_TO_DACR_MASK,
173         wm8990_digital_sidetone);
174
175 static const char *wm8990_adcmode[] =
176         {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
177
178 static const struct soc_enum wm8990_right_adcmode_enum =
179 SOC_ENUM_SINGLE(WM8990_ADC_CTRL,
180         WM8990_ADC_HPF_CUT_SHIFT,
181         WM8990_ADC_HPF_CUT_MASK,
182         wm8990_adcmode);
183
184 static const struct snd_kcontrol_new wm8990_snd_controls[] = {
185 /* INMIXL */
186 SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
187 SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
188 /* INMIXR */
189 SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
190 SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
191
192 /* LOMIX */
193 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
194         WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
195 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
196         WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
197 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
198         WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
199 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
200         WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
201 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
202         WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
203 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
204         WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
205
206 /* ROMIX */
207 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
208         WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
209 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
210         WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
211 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
212         WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
213 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
214         WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
215 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
216         WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
217 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
218         WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
219
220 /* LOUT */
221 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
222         WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
223 SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
224
225 /* ROUT */
226 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
227         WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
228 SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
229
230 /* LOPGA */
231 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
232         WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
233 SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
234         WM8990_LOPGAZC_BIT, 1, 0),
235
236 /* ROPGA */
237 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
238         WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
239 SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
240         WM8990_ROPGAZC_BIT, 1, 0),
241
242 SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
243         WM8990_LONMUTE_BIT, 1, 0),
244 SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
245         WM8990_LOPMUTE_BIT, 1, 0),
246 SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
247         WM8990_LOATTN_BIT, 1, 0),
248 SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
249         WM8990_RONMUTE_BIT, 1, 0),
250 SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
251         WM8990_ROPMUTE_BIT, 1, 0),
252 SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
253         WM8990_ROATTN_BIT, 1, 0),
254
255 SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
256         WM8990_OUT3MUTE_BIT, 1, 0),
257 SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
258         WM8990_OUT3ATTN_BIT, 1, 0),
259
260 SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
261         WM8990_OUT4MUTE_BIT, 1, 0),
262 SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
263         WM8990_OUT4ATTN_BIT, 1, 0),
264
265 SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
266         WM8990_CDMODE_BIT, 1, 0),
267
268 SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
269         WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0),
270 SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
271         WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
272 SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
273         WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
274 SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
275         WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
276 SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
277         WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
278
279 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
280         WM8990_LEFT_DAC_DIGITAL_VOLUME,
281         WM8990_DACL_VOL_SHIFT,
282         WM8990_DACL_VOL_MASK,
283         0,
284         out_dac_tlv),
285
286 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
287         WM8990_RIGHT_DAC_DIGITAL_VOLUME,
288         WM8990_DACR_VOL_SHIFT,
289         WM8990_DACR_VOL_MASK,
290         0,
291         out_dac_tlv),
292
293 SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
294 SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
295
296 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
297         WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
298         out_sidetone_tlv),
299 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
300         WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
301         out_sidetone_tlv),
302
303 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
304         WM8990_ADC_HPF_ENA_BIT, 1, 0),
305
306 SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
307
308 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
309         WM8990_LEFT_ADC_DIGITAL_VOLUME,
310         WM8990_ADCL_VOL_SHIFT,
311         WM8990_ADCL_VOL_MASK,
312         0,
313         in_adc_tlv),
314
315 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
316         WM8990_RIGHT_ADC_DIGITAL_VOLUME,
317         WM8990_ADCR_VOL_SHIFT,
318         WM8990_ADCR_VOL_MASK,
319         0,
320         in_adc_tlv),
321
322 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
323         WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
324         WM8990_LIN12VOL_SHIFT,
325         WM8990_LIN12VOL_MASK,
326         0,
327         in_pga_tlv),
328
329 SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
330         WM8990_LI12ZC_BIT, 1, 0),
331
332 SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
333         WM8990_LI12MUTE_BIT, 1, 0),
334
335 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
336         WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
337         WM8990_LIN34VOL_SHIFT,
338         WM8990_LIN34VOL_MASK,
339         0,
340         in_pga_tlv),
341
342 SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
343         WM8990_LI34ZC_BIT, 1, 0),
344
345 SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
346         WM8990_LI34MUTE_BIT, 1, 0),
347
348 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
349         WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
350         WM8990_RIN12VOL_SHIFT,
351         WM8990_RIN12VOL_MASK,
352         0,
353         in_pga_tlv),
354
355 SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
356         WM8990_RI12ZC_BIT, 1, 0),
357
358 SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
359         WM8990_RI12MUTE_BIT, 1, 0),
360
361 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
362         WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
363         WM8990_RIN34VOL_SHIFT,
364         WM8990_RIN34VOL_MASK,
365         0,
366         in_pga_tlv),
367
368 SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
369         WM8990_RI34ZC_BIT, 1, 0),
370
371 SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
372         WM8990_RI34MUTE_BIT, 1, 0),
373
374 };
375
376 /*
377  * _DAPM_ Controls
378  */
379
380 static int inmixer_event(struct snd_soc_dapm_widget *w,
381         struct snd_kcontrol *kcontrol, int event)
382 {
383         u16 reg, fakepower;
384
385         reg = snd_soc_read(w->codec, WM8990_POWER_MANAGEMENT_2);
386         fakepower = snd_soc_read(w->codec, WM8990_INTDRIVBITS);
387
388         if (fakepower & ((1 << WM8990_INMIXL_PWR_BIT) |
389                 (1 << WM8990_AINLMUX_PWR_BIT))) {
390                 reg |= WM8990_AINL_ENA;
391         } else {
392                 reg &= ~WM8990_AINL_ENA;
393         }
394
395         if (fakepower & ((1 << WM8990_INMIXR_PWR_BIT) |
396                 (1 << WM8990_AINRMUX_PWR_BIT))) {
397                 reg |= WM8990_AINR_ENA;
398         } else {
399                 reg &= ~WM8990_AINL_ENA;
400         }
401         snd_soc_write(w->codec, WM8990_POWER_MANAGEMENT_2, reg);
402
403         return 0;
404 }
405
406 static int outmixer_event(struct snd_soc_dapm_widget *w,
407         struct snd_kcontrol *kcontrol, int event)
408 {
409         u32 reg_shift = kcontrol->private_value & 0xfff;
410         int ret = 0;
411         u16 reg;
412
413         switch (reg_shift) {
414         case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
415                 reg = snd_soc_read(w->codec, WM8990_OUTPUT_MIXER1);
416                 if (reg & WM8990_LDLO) {
417                         printk(KERN_WARNING
418                         "Cannot set as Output Mixer 1 LDLO Set\n");
419                         ret = -1;
420                 }
421                 break;
422         case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
423                 reg = snd_soc_read(w->codec, WM8990_OUTPUT_MIXER2);
424                 if (reg & WM8990_RDRO) {
425                         printk(KERN_WARNING
426                         "Cannot set as Output Mixer 2 RDRO Set\n");
427                         ret = -1;
428                 }
429                 break;
430         case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
431                 reg = snd_soc_read(w->codec, WM8990_SPEAKER_MIXER);
432                 if (reg & WM8990_LDSPK) {
433                         printk(KERN_WARNING
434                         "Cannot set as Speaker Mixer LDSPK Set\n");
435                         ret = -1;
436                 }
437                 break;
438         case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
439                 reg = snd_soc_read(w->codec, WM8990_SPEAKER_MIXER);
440                 if (reg & WM8990_RDSPK) {
441                         printk(KERN_WARNING
442                         "Cannot set as Speaker Mixer RDSPK Set\n");
443                         ret = -1;
444                 }
445                 break;
446         }
447
448         return ret;
449 }
450
451 /* INMIX dB values */
452 static const unsigned int in_mix_tlv[] = {
453         TLV_DB_RANGE_HEAD(1),
454         0, 7, TLV_DB_LINEAR_ITEM(-1200, 600),
455 };
456
457 /* Left In PGA Connections */
458 static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
459 SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
460 SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
461 };
462
463 static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
464 SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
465 SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
466 };
467
468 /* Right In PGA Connections */
469 static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
470 SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
471 SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
472 };
473
474 static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
475 SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
476 SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
477 };
478
479 /* INMIXL */
480 static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
481 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
482         WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
483 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
484         7, 0, in_mix_tlv),
485 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
486         1, 0),
487 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
488         1, 0),
489 };
490
491 /* INMIXR */
492 static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
493 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
494         WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
495 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
496         7, 0, in_mix_tlv),
497 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
498         1, 0),
499 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
500         1, 0),
501 };
502
503 /* AINLMUX */
504 static const char *wm8990_ainlmux[] =
505         {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
506
507 static const struct soc_enum wm8990_ainlmux_enum =
508 SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
509         ARRAY_SIZE(wm8990_ainlmux), wm8990_ainlmux);
510
511 static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
512 SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
513
514 /* DIFFINL */
515
516 /* AINRMUX */
517 static const char *wm8990_ainrmux[] =
518         {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
519
520 static const struct soc_enum wm8990_ainrmux_enum =
521 SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
522         ARRAY_SIZE(wm8990_ainrmux), wm8990_ainrmux);
523
524 static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
525 SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
526
527 /* RXVOICE */
528 static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
529 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
530                         WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
531 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
532                         WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
533 };
534
535 /* LOMIX */
536 static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
537 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
538         WM8990_LRBLO_BIT, 1, 0),
539 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
540         WM8990_LLBLO_BIT, 1, 0),
541 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
542         WM8990_LRI3LO_BIT, 1, 0),
543 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
544         WM8990_LLI3LO_BIT, 1, 0),
545 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
546         WM8990_LR12LO_BIT, 1, 0),
547 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
548         WM8990_LL12LO_BIT, 1, 0),
549 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
550         WM8990_LDLO_BIT, 1, 0),
551 };
552
553 /* ROMIX */
554 static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
555 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
556         WM8990_RLBRO_BIT, 1, 0),
557 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
558         WM8990_RRBRO_BIT, 1, 0),
559 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
560         WM8990_RLI3RO_BIT, 1, 0),
561 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
562         WM8990_RRI3RO_BIT, 1, 0),
563 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
564         WM8990_RL12RO_BIT, 1, 0),
565 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
566         WM8990_RR12RO_BIT, 1, 0),
567 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
568         WM8990_RDRO_BIT, 1, 0),
569 };
570
571 /* LONMIX */
572 static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
573 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
574         WM8990_LLOPGALON_BIT, 1, 0),
575 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
576         WM8990_LROPGALON_BIT, 1, 0),
577 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
578         WM8990_LOPLON_BIT, 1, 0),
579 };
580
581 /* LOPMIX */
582 static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
583 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
584         WM8990_LR12LOP_BIT, 1, 0),
585 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
586         WM8990_LL12LOP_BIT, 1, 0),
587 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
588         WM8990_LLOPGALOP_BIT, 1, 0),
589 };
590
591 /* RONMIX */
592 static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
593 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
594         WM8990_RROPGARON_BIT, 1, 0),
595 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
596         WM8990_RLOPGARON_BIT, 1, 0),
597 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
598         WM8990_ROPRON_BIT, 1, 0),
599 };
600
601 /* ROPMIX */
602 static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
603 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
604         WM8990_RL12ROP_BIT, 1, 0),
605 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
606         WM8990_RR12ROP_BIT, 1, 0),
607 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
608         WM8990_RROPGAROP_BIT, 1, 0),
609 };
610
611 /* OUT3MIX */
612 static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
613 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
614         WM8990_LI4O3_BIT, 1, 0),
615 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
616         WM8990_LPGAO3_BIT, 1, 0),
617 };
618
619 /* OUT4MIX */
620 static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
621 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
622         WM8990_RPGAO4_BIT, 1, 0),
623 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
624         WM8990_RI4O4_BIT, 1, 0),
625 };
626
627 /* SPKMIX */
628 static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
629 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
630         WM8990_LI2SPK_BIT, 1, 0),
631 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
632         WM8990_LB2SPK_BIT, 1, 0),
633 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
634         WM8990_LOPGASPK_BIT, 1, 0),
635 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
636         WM8990_LDSPK_BIT, 1, 0),
637 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
638         WM8990_RDSPK_BIT, 1, 0),
639 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
640         WM8990_ROPGASPK_BIT, 1, 0),
641 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
642         WM8990_RL12ROP_BIT, 1, 0),
643 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
644         WM8990_RI2SPK_BIT, 1, 0),
645 };
646
647 static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
648 /* Input Side */
649 /* Input Lines */
650 SND_SOC_DAPM_INPUT("LIN1"),
651 SND_SOC_DAPM_INPUT("LIN2"),
652 SND_SOC_DAPM_INPUT("LIN3"),
653 SND_SOC_DAPM_INPUT("LIN4/RXN"),
654 SND_SOC_DAPM_INPUT("RIN3"),
655 SND_SOC_DAPM_INPUT("RIN4/RXP"),
656 SND_SOC_DAPM_INPUT("RIN1"),
657 SND_SOC_DAPM_INPUT("RIN2"),
658 SND_SOC_DAPM_INPUT("Internal ADC Source"),
659
660 /* DACs */
661 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
662         WM8990_ADCL_ENA_BIT, 0),
663 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
664         WM8990_ADCR_ENA_BIT, 0),
665
666 /* Input PGAs */
667 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
668         0, &wm8990_dapm_lin12_pga_controls[0],
669         ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
670 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
671         0, &wm8990_dapm_lin34_pga_controls[0],
672         ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
673 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
674         0, &wm8990_dapm_rin12_pga_controls[0],
675         ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
676 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
677         0, &wm8990_dapm_rin34_pga_controls[0],
678         ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
679
680 /* INMIXL */
681 SND_SOC_DAPM_MIXER_E("INMIXL", WM8990_INTDRIVBITS, WM8990_INMIXL_PWR_BIT, 0,
682         &wm8990_dapm_inmixl_controls[0],
683         ARRAY_SIZE(wm8990_dapm_inmixl_controls),
684         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
685
686 /* AINLMUX */
687 SND_SOC_DAPM_MUX_E("AINLMUX", WM8990_INTDRIVBITS, WM8990_AINLMUX_PWR_BIT, 0,
688         &wm8990_dapm_ainlmux_controls, inmixer_event,
689         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
690
691 /* INMIXR */
692 SND_SOC_DAPM_MIXER_E("INMIXR", WM8990_INTDRIVBITS, WM8990_INMIXR_PWR_BIT, 0,
693         &wm8990_dapm_inmixr_controls[0],
694         ARRAY_SIZE(wm8990_dapm_inmixr_controls),
695         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
696
697 /* AINRMUX */
698 SND_SOC_DAPM_MUX_E("AINRMUX", WM8990_INTDRIVBITS, WM8990_AINRMUX_PWR_BIT, 0,
699         &wm8990_dapm_ainrmux_controls, inmixer_event,
700         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
701
702 /* Output Side */
703 /* DACs */
704 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
705         WM8990_DACL_ENA_BIT, 0),
706 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
707         WM8990_DACR_ENA_BIT, 0),
708
709 /* LOMIX */
710 SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
711         0, &wm8990_dapm_lomix_controls[0],
712         ARRAY_SIZE(wm8990_dapm_lomix_controls),
713         outmixer_event, SND_SOC_DAPM_PRE_REG),
714
715 /* LONMIX */
716 SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
717         &wm8990_dapm_lonmix_controls[0],
718         ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
719
720 /* LOPMIX */
721 SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
722         &wm8990_dapm_lopmix_controls[0],
723         ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
724
725 /* OUT3MIX */
726 SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
727         &wm8990_dapm_out3mix_controls[0],
728         ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
729
730 /* SPKMIX */
731 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
732         &wm8990_dapm_spkmix_controls[0],
733         ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
734         SND_SOC_DAPM_PRE_REG),
735
736 /* OUT4MIX */
737 SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
738         &wm8990_dapm_out4mix_controls[0],
739         ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
740
741 /* ROPMIX */
742 SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
743         &wm8990_dapm_ropmix_controls[0],
744         ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
745
746 /* RONMIX */
747 SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
748         &wm8990_dapm_ronmix_controls[0],
749         ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
750
751 /* ROMIX */
752 SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
753         0, &wm8990_dapm_romix_controls[0],
754         ARRAY_SIZE(wm8990_dapm_romix_controls),
755         outmixer_event, SND_SOC_DAPM_PRE_REG),
756
757 /* LOUT PGA */
758 SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
759         NULL, 0),
760
761 /* ROUT PGA */
762 SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
763         NULL, 0),
764
765 /* LOPGA */
766 SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
767         NULL, 0),
768
769 /* ROPGA */
770 SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
771         NULL, 0),
772
773 /* MICBIAS */
774 SND_SOC_DAPM_MICBIAS("MICBIAS", WM8990_POWER_MANAGEMENT_1,
775         WM8990_MICBIAS_ENA_BIT, 0),
776
777 SND_SOC_DAPM_OUTPUT("LON"),
778 SND_SOC_DAPM_OUTPUT("LOP"),
779 SND_SOC_DAPM_OUTPUT("OUT3"),
780 SND_SOC_DAPM_OUTPUT("LOUT"),
781 SND_SOC_DAPM_OUTPUT("SPKN"),
782 SND_SOC_DAPM_OUTPUT("SPKP"),
783 SND_SOC_DAPM_OUTPUT("ROUT"),
784 SND_SOC_DAPM_OUTPUT("OUT4"),
785 SND_SOC_DAPM_OUTPUT("ROP"),
786 SND_SOC_DAPM_OUTPUT("RON"),
787
788 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
789 };
790
791 static const struct snd_soc_dapm_route audio_map[] = {
792         /* Make DACs turn on when playing even if not mixed into any outputs */
793         {"Internal DAC Sink", NULL, "Left DAC"},
794         {"Internal DAC Sink", NULL, "Right DAC"},
795
796         /* Make ADCs turn on when recording even if not mixed from any inputs */
797         {"Left ADC", NULL, "Internal ADC Source"},
798         {"Right ADC", NULL, "Internal ADC Source"},
799
800         /* Input Side */
801         /* LIN12 PGA */
802         {"LIN12 PGA", "LIN1 Switch", "LIN1"},
803         {"LIN12 PGA", "LIN2 Switch", "LIN2"},
804         /* LIN34 PGA */
805         {"LIN34 PGA", "LIN3 Switch", "LIN3"},
806         {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
807         /* INMIXL */
808         {"INMIXL", "Record Left Volume", "LOMIX"},
809         {"INMIXL", "LIN2 Volume", "LIN2"},
810         {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
811         {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
812         /* AINLMUX */
813         {"AINLMUX", "INMIXL Mix", "INMIXL"},
814         {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
815         {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
816         {"AINLMUX", "RXVOICE Mix", "LIN4/RXN"},
817         {"AINLMUX", "RXVOICE Mix", "RIN4/RXP"},
818         /* ADC */
819         {"Left ADC", NULL, "AINLMUX"},
820
821         /* RIN12 PGA */
822         {"RIN12 PGA", "RIN1 Switch", "RIN1"},
823         {"RIN12 PGA", "RIN2 Switch", "RIN2"},
824         /* RIN34 PGA */
825         {"RIN34 PGA", "RIN3 Switch", "RIN3"},
826         {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
827         /* INMIXL */
828         {"INMIXR", "Record Right Volume", "ROMIX"},
829         {"INMIXR", "RIN2 Volume", "RIN2"},
830         {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
831         {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
832         /* AINRMUX */
833         {"AINRMUX", "INMIXR Mix", "INMIXR"},
834         {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
835         {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
836         {"AINRMUX", "RXVOICE Mix", "LIN4/RXN"},
837         {"AINRMUX", "RXVOICE Mix", "RIN4/RXP"},
838         /* ADC */
839         {"Right ADC", NULL, "AINRMUX"},
840
841         /* LOMIX */
842         {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
843         {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
844         {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
845         {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
846         {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
847         {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
848         {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
849
850         /* ROMIX */
851         {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
852         {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
853         {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
854         {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
855         {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
856         {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
857         {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
858
859         /* SPKMIX */
860         {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
861         {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
862         {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
863         {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
864         {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
865         {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
866         {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
867         {"SPKMIX", "SPKMIX Left DAC Switch", "Left DAC"},
868
869         /* LONMIX */
870         {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
871         {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
872         {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
873
874         /* LOPMIX */
875         {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
876         {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
877         {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
878
879         /* OUT3MIX */
880         {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
881         {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
882
883         /* OUT4MIX */
884         {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
885         {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
886
887         /* RONMIX */
888         {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
889         {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
890         {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
891
892         /* ROPMIX */
893         {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
894         {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
895         {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
896
897         /* Out Mixer PGAs */
898         {"LOPGA", NULL, "LOMIX"},
899         {"ROPGA", NULL, "ROMIX"},
900
901         {"LOUT PGA", NULL, "LOMIX"},
902         {"ROUT PGA", NULL, "ROMIX"},
903
904         /* Output Pins */
905         {"LON", NULL, "LONMIX"},
906         {"LOP", NULL, "LOPMIX"},
907         {"OUT3", NULL, "OUT3MIX"},
908         {"LOUT", NULL, "LOUT PGA"},
909         {"SPKN", NULL, "SPKMIX"},
910         {"ROUT", NULL, "ROUT PGA"},
911         {"OUT4", NULL, "OUT4MIX"},
912         {"ROP", NULL, "ROPMIX"},
913         {"RON", NULL, "RONMIX"},
914 };
915
916 static int wm8990_add_widgets(struct snd_soc_codec *codec)
917 {
918         snd_soc_dapm_new_controls(codec, wm8990_dapm_widgets,
919                                   ARRAY_SIZE(wm8990_dapm_widgets));
920
921         /* set up the WM8990 audio map */
922         snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
923
924         return 0;
925 }
926
927 /* PLL divisors */
928 struct _pll_div {
929         u32 div2;
930         u32 n;
931         u32 k;
932 };
933
934 /* The size in bits of the pll divide multiplied by 10
935  * to allow rounding later */
936 #define FIXED_PLL_SIZE ((1 << 16) * 10)
937
938 static void pll_factors(struct _pll_div *pll_div, unsigned int target,
939         unsigned int source)
940 {
941         u64 Kpart;
942         unsigned int K, Ndiv, Nmod;
943
944
945         Ndiv = target / source;
946         if (Ndiv < 6) {
947                 source >>= 1;
948                 pll_div->div2 = 1;
949                 Ndiv = target / source;
950         } else
951                 pll_div->div2 = 0;
952
953         if ((Ndiv < 6) || (Ndiv > 12))
954                 printk(KERN_WARNING
955                 "WM8990 N value outwith recommended range! N = %u\n", Ndiv);
956
957         pll_div->n = Ndiv;
958         Nmod = target % source;
959         Kpart = FIXED_PLL_SIZE * (long long)Nmod;
960
961         do_div(Kpart, source);
962
963         K = Kpart & 0xFFFFFFFF;
964
965         /* Check if we need to round */
966         if ((K % 10) >= 5)
967                 K += 5;
968
969         /* Move down to proper range now rounding is done */
970         K /= 10;
971
972         pll_div->k = K;
973 }
974
975 static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
976                 int source, unsigned int freq_in, unsigned int freq_out)
977 {
978         u16 reg;
979         struct snd_soc_codec *codec = codec_dai->codec;
980         struct _pll_div pll_div;
981
982         if (freq_in && freq_out) {
983                 pll_factors(&pll_div, freq_out * 4, freq_in);
984
985                 /* Turn on PLL */
986                 reg = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_2);
987                 reg |= WM8990_PLL_ENA;
988                 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
989
990                 /* sysclk comes from PLL */
991                 reg = snd_soc_read(codec, WM8990_CLOCKING_2);
992                 snd_soc_write(codec, WM8990_CLOCKING_2, reg | WM8990_SYSCLK_SRC);
993
994                 /* set up N , fractional mode and pre-divisor if necessary */
995                 snd_soc_write(codec, WM8990_PLL1, pll_div.n | WM8990_SDM |
996                         (pll_div.div2?WM8990_PRESCALE:0));
997                 snd_soc_write(codec, WM8990_PLL2, (u8)(pll_div.k>>8));
998                 snd_soc_write(codec, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
999         } else {
1000                 /* Turn on PLL */
1001                 reg = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_2);
1002                 reg &= ~WM8990_PLL_ENA;
1003                 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
1004         }
1005         return 0;
1006 }
1007
1008 /*
1009  * Clock after PLL and dividers
1010  */
1011 static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1012                 int clk_id, unsigned int freq, int dir)
1013 {
1014         struct snd_soc_codec *codec = codec_dai->codec;
1015         struct wm8990_priv *wm8990 = snd_soc_codec_get_drvdata(codec);
1016
1017         wm8990->sysclk = freq;
1018         return 0;
1019 }
1020
1021 /*
1022  * Set's ADC and Voice DAC format.
1023  */
1024 static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
1025                 unsigned int fmt)
1026 {
1027         struct snd_soc_codec *codec = codec_dai->codec;
1028         u16 audio1, audio3;
1029
1030         audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1);
1031         audio3 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_3);
1032
1033         /* set master/slave audio interface */
1034         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1035         case SND_SOC_DAIFMT_CBS_CFS:
1036                 audio3 &= ~WM8990_AIF_MSTR1;
1037                 break;
1038         case SND_SOC_DAIFMT_CBM_CFM:
1039                 audio3 |= WM8990_AIF_MSTR1;
1040                 break;
1041         default:
1042                 return -EINVAL;
1043         }
1044
1045         audio1 &= ~WM8990_AIF_FMT_MASK;
1046
1047         /* interface format */
1048         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1049         case SND_SOC_DAIFMT_I2S:
1050                 audio1 |= WM8990_AIF_TMF_I2S;
1051                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1052                 break;
1053         case SND_SOC_DAIFMT_RIGHT_J:
1054                 audio1 |= WM8990_AIF_TMF_RIGHTJ;
1055                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1056                 break;
1057         case SND_SOC_DAIFMT_LEFT_J:
1058                 audio1 |= WM8990_AIF_TMF_LEFTJ;
1059                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1060                 break;
1061         case SND_SOC_DAIFMT_DSP_A:
1062                 audio1 |= WM8990_AIF_TMF_DSP;
1063                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1064                 break;
1065         case SND_SOC_DAIFMT_DSP_B:
1066                 audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
1067                 break;
1068         default:
1069                 return -EINVAL;
1070         }
1071
1072         snd_soc_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1073         snd_soc_write(codec, WM8990_AUDIO_INTERFACE_3, audio3);
1074         return 0;
1075 }
1076
1077 static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1078                 int div_id, int div)
1079 {
1080         struct snd_soc_codec *codec = codec_dai->codec;
1081         u16 reg;
1082
1083         switch (div_id) {
1084         case WM8990_MCLK_DIV:
1085                 reg = snd_soc_read(codec, WM8990_CLOCKING_2) &
1086                         ~WM8990_MCLK_DIV_MASK;
1087                 snd_soc_write(codec, WM8990_CLOCKING_2, reg | div);
1088                 break;
1089         case WM8990_DACCLK_DIV:
1090                 reg = snd_soc_read(codec, WM8990_CLOCKING_2) &
1091                         ~WM8990_DAC_CLKDIV_MASK;
1092                 snd_soc_write(codec, WM8990_CLOCKING_2, reg | div);
1093                 break;
1094         case WM8990_ADCCLK_DIV:
1095                 reg = snd_soc_read(codec, WM8990_CLOCKING_2) &
1096                         ~WM8990_ADC_CLKDIV_MASK;
1097                 snd_soc_write(codec, WM8990_CLOCKING_2, reg | div);
1098                 break;
1099         case WM8990_BCLK_DIV:
1100                 reg = snd_soc_read(codec, WM8990_CLOCKING_1) &
1101                         ~WM8990_BCLK_DIV_MASK;
1102                 snd_soc_write(codec, WM8990_CLOCKING_1, reg | div);
1103                 break;
1104         default:
1105                 return -EINVAL;
1106         }
1107
1108         return 0;
1109 }
1110
1111 /*
1112  * Set PCM DAI bit size and sample rate.
1113  */
1114 static int wm8990_hw_params(struct snd_pcm_substream *substream,
1115                             struct snd_pcm_hw_params *params,
1116                             struct snd_soc_dai *dai)
1117 {
1118         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1119         struct snd_soc_device *socdev = rtd->socdev;
1120         struct snd_soc_codec *codec = socdev->card->codec;
1121         u16 audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1);
1122
1123         audio1 &= ~WM8990_AIF_WL_MASK;
1124         /* bit size */
1125         switch (params_format(params)) {
1126         case SNDRV_PCM_FORMAT_S16_LE:
1127                 break;
1128         case SNDRV_PCM_FORMAT_S20_3LE:
1129                 audio1 |= WM8990_AIF_WL_20BITS;
1130                 break;
1131         case SNDRV_PCM_FORMAT_S24_LE:
1132                 audio1 |= WM8990_AIF_WL_24BITS;
1133                 break;
1134         case SNDRV_PCM_FORMAT_S32_LE:
1135                 audio1 |= WM8990_AIF_WL_32BITS;
1136                 break;
1137         }
1138
1139         snd_soc_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1140         return 0;
1141 }
1142
1143 static int wm8990_mute(struct snd_soc_dai *dai, int mute)
1144 {
1145         struct snd_soc_codec *codec = dai->codec;
1146         u16 val;
1147
1148         val  = snd_soc_read(codec, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
1149
1150         if (mute)
1151                 snd_soc_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1152         else
1153                 snd_soc_write(codec, WM8990_DAC_CTRL, val);
1154
1155         return 0;
1156 }
1157
1158 static int wm8990_set_bias_level(struct snd_soc_codec *codec,
1159         enum snd_soc_bias_level level)
1160 {
1161         u16 val;
1162
1163         switch (level) {
1164         case SND_SOC_BIAS_ON:
1165                 break;
1166
1167         case SND_SOC_BIAS_PREPARE:
1168                 /* VMID=2*50k */
1169                 val = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_1) &
1170                         ~WM8990_VMID_MODE_MASK;
1171                 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, val | 0x2);
1172                 break;
1173
1174         case SND_SOC_BIAS_STANDBY:
1175                 if (codec->bias_level == SND_SOC_BIAS_OFF) {
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(msecs_to_jiffies(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(msecs_to_jiffies(50));
1201
1202                         /* Enable VMID at 2x50k */
1203                         snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f02);
1204
1205                         msleep(msecs_to_jiffies(100));
1206
1207                         /* Enable VREF */
1208                         snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1209
1210                         msleep(msecs_to_jiffies(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                 val = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_1) &
1231                         ~WM8990_VMID_MODE_MASK;
1232                 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, val | 0x4);
1233                 break;
1234
1235         case SND_SOC_BIAS_OFF:
1236                 /* Enable POBCTRL and SOFT_ST */
1237                 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1238                         WM8990_POBCTRL | WM8990_BUFIOEN);
1239
1240                 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1241                 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1242                         WM8990_BUFDCOPEN | WM8990_POBCTRL |
1243                         WM8990_BUFIOEN);
1244
1245                 /* mute DAC */
1246                 val = snd_soc_read(codec, WM8990_DAC_CTRL);
1247                 snd_soc_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1248
1249                 /* Enable any disabled outputs */
1250                 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1251
1252                 /* Disable VMID */
1253                 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f01);
1254
1255                 msleep(msecs_to_jiffies(300));
1256
1257                 /* Enable all output discharge bits */
1258                 snd_soc_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1259                         WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1260                         WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1261                         WM8990_DIS_ROUT);
1262
1263                 /* Disable VREF */
1264                 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x0);
1265
1266                 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1267                 snd_soc_write(codec, WM8990_ANTIPOP2, 0x0);
1268                 break;
1269         }
1270
1271         codec->bias_level = level;
1272         return 0;
1273 }
1274
1275 #define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1276         SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
1277         SNDRV_PCM_RATE_48000)
1278
1279 #define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1280         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1281
1282 /*
1283  * The WM8990 supports 2 different and mutually exclusive DAI
1284  * configurations.
1285  *
1286  * 1. ADC/DAC on Primary Interface
1287  * 2. ADC on Primary Interface/DAC on secondary
1288  */
1289 static struct snd_soc_dai_ops wm8990_dai_ops = {
1290         .hw_params      = wm8990_hw_params,
1291         .digital_mute   = wm8990_mute,
1292         .set_fmt        = wm8990_set_dai_fmt,
1293         .set_clkdiv     = wm8990_set_dai_clkdiv,
1294         .set_pll        = wm8990_set_dai_pll,
1295         .set_sysclk     = wm8990_set_dai_sysclk,
1296 };
1297
1298 struct snd_soc_dai wm8990_dai = {
1299 /* ADC/DAC on primary */
1300         .name = "WM8990 ADC/DAC Primary",
1301         .id = 1,
1302         .playback = {
1303                 .stream_name = "Playback",
1304                 .channels_min = 1,
1305                 .channels_max = 2,
1306                 .rates = WM8990_RATES,
1307                 .formats = WM8990_FORMATS,},
1308         .capture = {
1309                 .stream_name = "Capture",
1310                 .channels_min = 1,
1311                 .channels_max = 2,
1312                 .rates = WM8990_RATES,
1313                 .formats = WM8990_FORMATS,},
1314         .ops = &wm8990_dai_ops,
1315 };
1316 EXPORT_SYMBOL_GPL(wm8990_dai);
1317
1318 static int wm8990_suspend(struct platform_device *pdev, pm_message_t state)
1319 {
1320         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1321         struct snd_soc_codec *codec = socdev->card->codec;
1322
1323         wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1324         return 0;
1325 }
1326
1327 static int wm8990_resume(struct platform_device *pdev)
1328 {
1329         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1330         struct snd_soc_codec *codec = socdev->card->codec;
1331         int i;
1332         u8 data[2];
1333         u16 *cache = codec->reg_cache;
1334
1335         /* Sync reg_cache with the hardware */
1336         for (i = 0; i < ARRAY_SIZE(wm8990_reg); i++) {
1337                 if (i + 1 == WM8990_RESET)
1338                         continue;
1339                 data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001);
1340                 data[1] = cache[i] & 0x00ff;
1341                 codec->hw_write(codec->control_data, data, 2);
1342         }
1343
1344         wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1345         return 0;
1346 }
1347
1348 /*
1349  * initialise the WM8990 driver
1350  * register the mixer and dsp interfaces with the kernel
1351  */
1352 static int wm8990_init(struct snd_soc_device *socdev)
1353 {
1354         struct snd_soc_codec *codec = socdev->card->codec;
1355         u16 reg;
1356         int ret = 0;
1357
1358         codec->name = "WM8990";
1359         codec->owner = THIS_MODULE;
1360         codec->set_bias_level = wm8990_set_bias_level;
1361         codec->dai = &wm8990_dai;
1362         codec->num_dai = 2;
1363         codec->reg_cache_size = ARRAY_SIZE(wm8990_reg);
1364         codec->reg_cache = kmemdup(wm8990_reg, sizeof(wm8990_reg), GFP_KERNEL);
1365
1366         if (codec->reg_cache == NULL)
1367                 return -ENOMEM;
1368
1369         ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
1370         if (ret < 0) {
1371                 printk(KERN_ERR "wm8990: failed to set cache I/O: %d\n", ret);
1372                 goto pcm_err;
1373         }
1374
1375         wm8990_reset(codec);
1376
1377         /* register pcms */
1378         ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1379         if (ret < 0) {
1380                 printk(KERN_ERR "wm8990: failed to create pcms\n");
1381                 goto pcm_err;
1382         }
1383
1384         /* charge output caps */
1385         codec->bias_level = SND_SOC_BIAS_OFF;
1386         wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1387
1388         reg = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_4);
1389         snd_soc_write(codec, WM8990_AUDIO_INTERFACE_4, reg | WM8990_ALRCGPIO1);
1390
1391         reg = snd_soc_read(codec, WM8990_GPIO1_GPIO2) &
1392                 ~WM8990_GPIO1_SEL_MASK;
1393         snd_soc_write(codec, WM8990_GPIO1_GPIO2, reg | 1);
1394
1395         reg = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_2);
1396         snd_soc_write(codec, WM8990_POWER_MANAGEMENT_2, reg | WM8990_OPCLK_ENA);
1397
1398         snd_soc_write(codec, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1399         snd_soc_write(codec, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1400
1401         snd_soc_add_controls(codec, wm8990_snd_controls,
1402                                 ARRAY_SIZE(wm8990_snd_controls));
1403         wm8990_add_widgets(codec);
1404
1405         return ret;
1406
1407 pcm_err:
1408         kfree(codec->reg_cache);
1409         return ret;
1410 }
1411
1412 /* If the i2c layer weren't so broken, we could pass this kind of data
1413    around */
1414 static struct snd_soc_device *wm8990_socdev;
1415
1416 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1417
1418 /*
1419  * WM891 2 wire address is determined by GPIO5
1420  * state during powerup.
1421  *    low  = 0x34
1422  *    high = 0x36
1423  */
1424
1425 static int wm8990_i2c_probe(struct i2c_client *i2c,
1426                             const struct i2c_device_id *id)
1427 {
1428         struct snd_soc_device *socdev = wm8990_socdev;
1429         struct snd_soc_codec *codec = socdev->card->codec;
1430         int ret;
1431
1432         i2c_set_clientdata(i2c, codec);
1433         codec->control_data = i2c;
1434
1435         ret = wm8990_init(socdev);
1436         if (ret < 0)
1437                 pr_err("failed to initialise WM8990\n");
1438
1439         return ret;
1440 }
1441
1442 static int wm8990_i2c_remove(struct i2c_client *client)
1443 {
1444         struct snd_soc_codec *codec = i2c_get_clientdata(client);
1445         kfree(codec->reg_cache);
1446         return 0;
1447 }
1448
1449 static const struct i2c_device_id wm8990_i2c_id[] = {
1450         { "wm8990", 0 },
1451         { }
1452 };
1453 MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
1454
1455 static struct i2c_driver wm8990_i2c_driver = {
1456         .driver = {
1457                 .name = "WM8990 I2C Codec",
1458                 .owner = THIS_MODULE,
1459         },
1460         .probe =    wm8990_i2c_probe,
1461         .remove =   wm8990_i2c_remove,
1462         .id_table = wm8990_i2c_id,
1463 };
1464
1465 static int wm8990_add_i2c_device(struct platform_device *pdev,
1466                                  const struct wm8990_setup_data *setup)
1467 {
1468         struct i2c_board_info info;
1469         struct i2c_adapter *adapter;
1470         struct i2c_client *client;
1471         int ret;
1472
1473         ret = i2c_add_driver(&wm8990_i2c_driver);
1474         if (ret != 0) {
1475                 dev_err(&pdev->dev, "can't add i2c driver\n");
1476                 return ret;
1477         }
1478
1479         memset(&info, 0, sizeof(struct i2c_board_info));
1480         info.addr = setup->i2c_address;
1481         strlcpy(info.type, "wm8990", I2C_NAME_SIZE);
1482
1483         adapter = i2c_get_adapter(setup->i2c_bus);
1484         if (!adapter) {
1485                 dev_err(&pdev->dev, "can't get i2c adapter %d\n",
1486                         setup->i2c_bus);
1487                 goto err_driver;
1488         }
1489
1490         client = i2c_new_device(adapter, &info);
1491         i2c_put_adapter(adapter);
1492         if (!client) {
1493                 dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
1494                         (unsigned int)info.addr);
1495                 goto err_driver;
1496         }
1497
1498         return 0;
1499
1500 err_driver:
1501         i2c_del_driver(&wm8990_i2c_driver);
1502         return -ENODEV;
1503 }
1504 #endif
1505
1506 static int wm8990_probe(struct platform_device *pdev)
1507 {
1508         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1509         struct wm8990_setup_data *setup;
1510         struct snd_soc_codec *codec;
1511         struct wm8990_priv *wm8990;
1512         int ret;
1513
1514         pr_info("WM8990 Audio Codec %s\n", WM8990_VERSION);
1515
1516         setup = socdev->codec_data;
1517         codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
1518         if (codec == NULL)
1519                 return -ENOMEM;
1520
1521         wm8990 = kzalloc(sizeof(struct wm8990_priv), GFP_KERNEL);
1522         if (wm8990 == NULL) {
1523                 kfree(codec);
1524                 return -ENOMEM;
1525         }
1526
1527         snd_soc_codec_set_drvdata(codec, wm8990);
1528         socdev->card->codec = codec;
1529         mutex_init(&codec->mutex);
1530         INIT_LIST_HEAD(&codec->dapm_widgets);
1531         INIT_LIST_HEAD(&codec->dapm_paths);
1532         wm8990_socdev = socdev;
1533
1534         ret = -ENODEV;
1535
1536 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1537         if (setup->i2c_address) {
1538                 codec->hw_write = (hw_write_t)i2c_master_send;
1539                 ret = wm8990_add_i2c_device(pdev, setup);
1540         }
1541 #endif
1542
1543         if (ret != 0) {
1544                 kfree(snd_soc_codec_get_drvdata(codec));
1545                 kfree(codec);
1546         }
1547         return ret;
1548 }
1549
1550 /* power down chip */
1551 static int wm8990_remove(struct platform_device *pdev)
1552 {
1553         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1554         struct snd_soc_codec *codec = socdev->card->codec;
1555
1556         if (codec->control_data)
1557                 wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1558         snd_soc_free_pcms(socdev);
1559         snd_soc_dapm_free(socdev);
1560 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1561         i2c_unregister_device(codec->control_data);
1562         i2c_del_driver(&wm8990_i2c_driver);
1563 #endif
1564         kfree(snd_soc_codec_get_drvdata(codec));
1565         kfree(codec);
1566
1567         return 0;
1568 }
1569
1570 struct snd_soc_codec_device soc_codec_dev_wm8990 = {
1571         .probe =        wm8990_probe,
1572         .remove =       wm8990_remove,
1573         .suspend =      wm8990_suspend,
1574         .resume =       wm8990_resume,
1575 };
1576 EXPORT_SYMBOL_GPL(soc_codec_dev_wm8990);
1577
1578 static int __init wm8990_modinit(void)
1579 {
1580         return snd_soc_register_dai(&wm8990_dai);
1581 }
1582 module_init(wm8990_modinit);
1583
1584 static void __exit wm8990_exit(void)
1585 {
1586         snd_soc_unregister_dai(&wm8990_dai);
1587 }
1588 module_exit(wm8990_exit);
1589
1590 MODULE_DESCRIPTION("ASoC WM8990 driver");
1591 MODULE_AUTHOR("Liam Girdwood");
1592 MODULE_LICENSE("GPL");