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TTY: ldisc, do not close until there are readers
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / soc / codecs / wm8990.c
blob100aeee5ba96472e0a0ecb70b7f66d9c4a550d5a
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/initval.h>
27 #include <sound/tlv.h>
28 #include <asm/div64.h>
29
30 #include "wm8990.h"
31
32 /* codec private data */
33 struct wm8990_priv {
34 enum snd_soc_control_type control_type;
35 unsigned int sysclk;
36 unsigned int pcmclk;
37 };
38
39 /*
40 * wm8990 register cache. Note that register 0 is not included in the
41 * cache.
42 */
43 static const u16 wm8990_reg[] = {
44 0x8990, /* R0 - Reset */
45 0x0000, /* R1 - Power Management (1) */
46 0x6000, /* R2 - Power Management (2) */
47 0x0000, /* R3 - Power Management (3) */
48 0x4050, /* R4 - Audio Interface (1) */
49 0x4000, /* R5 - Audio Interface (2) */
50 0x01C8, /* R6 - Clocking (1) */
51 0x0000, /* R7 - Clocking (2) */
52 0x0040, /* R8 - Audio Interface (3) */
53 0x0040, /* R9 - Audio Interface (4) */
54 0x0004, /* R10 - DAC CTRL */
55 0x00C0, /* R11 - Left DAC Digital Volume */
56 0x00C0, /* R12 - Right DAC Digital Volume */
57 0x0000, /* R13 - Digital Side Tone */
58 0x0100, /* R14 - ADC CTRL */
59 0x00C0, /* R15 - Left ADC Digital Volume */
60 0x00C0, /* R16 - Right ADC Digital Volume */
61 0x0000, /* R17 */
62 0x0000, /* R18 - GPIO CTRL 1 */
63 0x1000, /* R19 - GPIO1 & GPIO2 */
64 0x1010, /* R20 - GPIO3 & GPIO4 */
65 0x1010, /* R21 - GPIO5 & GPIO6 */
66 0x8000, /* R22 - GPIOCTRL 2 */
67 0x0800, /* R23 - GPIO_POL */
68 0x008B, /* R24 - Left Line Input 1&2 Volume */
69 0x008B, /* R25 - Left Line Input 3&4 Volume */
70 0x008B, /* R26 - Right Line Input 1&2 Volume */
71 0x008B, /* R27 - Right Line Input 3&4 Volume */
72 0x0000, /* R28 - Left Output Volume */
73 0x0000, /* R29 - Right Output Volume */
74 0x0066, /* R30 - Line Outputs Volume */
75 0x0022, /* R31 - Out3/4 Volume */
76 0x0079, /* R32 - Left OPGA Volume */
77 0x0079, /* R33 - Right OPGA Volume */
78 0x0003, /* R34 - Speaker Volume */
79 0x0003, /* R35 - ClassD1 */
80 0x0000, /* R36 */
81 0x0100, /* R37 - ClassD3 */
82 0x0079, /* R38 - ClassD4 */
83 0x0000, /* R39 - Input Mixer1 */
84 0x0000, /* R40 - Input Mixer2 */
85 0x0000, /* R41 - Input Mixer3 */
86 0x0000, /* R42 - Input Mixer4 */
87 0x0000, /* R43 - Input Mixer5 */
88 0x0000, /* R44 - Input Mixer6 */
89 0x0000, /* R45 - Output Mixer1 */
90 0x0000, /* R46 - Output Mixer2 */
91 0x0000, /* R47 - Output Mixer3 */
92 0x0000, /* R48 - Output Mixer4 */
93 0x0000, /* R49 - Output Mixer5 */
94 0x0000, /* R50 - Output Mixer6 */
95 0x0180, /* R51 - Out3/4 Mixer */
96 0x0000, /* R52 - Line Mixer1 */
97 0x0000, /* R53 - Line Mixer2 */
98 0x0000, /* R54 - Speaker Mixer */
99 0x0000, /* R55 - Additional Control */
100 0x0000, /* R56 - AntiPOP1 */
101 0x0000, /* R57 - AntiPOP2 */
102 0x0000, /* R58 - MICBIAS */
103 0x0000, /* R59 */
104 0x0008, /* R60 - PLL1 */
105 0x0031, /* R61 - PLL2 */
106 0x0026, /* R62 - PLL3 */
107 0x0000, /* R63 - Driver internal */
108 };
109
110 #define wm8990_reset(c) snd_soc_write(c, WM8990_RESET, 0)
111
112 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
113
114 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
115
116 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, 0, -2100, 0);
117
118 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
119
120 static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
121
122 static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
123
124 static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
125
126 static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
127
128 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
129 struct snd_ctl_elem_value *ucontrol)
130 {
131 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
132 struct soc_mixer_control *mc =
133 (struct soc_mixer_control *)kcontrol->private_value;
134 int reg = mc->reg;
135 int ret;
136 u16 val;
137
138 ret = snd_soc_put_volsw(kcontrol, ucontrol);
139 if (ret < 0)
140 return ret;
141
142 /* now hit the volume update bits (always bit 8) */
143 val = snd_soc_read(codec, reg);
144 return snd_soc_write(codec, reg, val | 0x0100);
145 }
146
147 #define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
148 tlv_array) {\
149 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
150 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
151 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
152 .tlv.p = (tlv_array), \
153 .info = snd_soc_info_volsw, \
154 .get = snd_soc_get_volsw, .put = wm899x_outpga_put_volsw_vu, \
155 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
156
157
158 static const char *wm8990_digital_sidetone[] =
159 {"None", "Left ADC", "Right ADC", "Reserved"};
160
161 static const struct soc_enum wm8990_left_digital_sidetone_enum =
162 SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
163 WM8990_ADC_TO_DACL_SHIFT,
164 WM8990_ADC_TO_DACL_MASK,
165 wm8990_digital_sidetone);
166
167 static const struct soc_enum wm8990_right_digital_sidetone_enum =
168 SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
169 WM8990_ADC_TO_DACR_SHIFT,
170 WM8990_ADC_TO_DACR_MASK,
171 wm8990_digital_sidetone);
172
173 static const char *wm8990_adcmode[] =
174 {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
175
176 static const struct soc_enum wm8990_right_adcmode_enum =
177 SOC_ENUM_SINGLE(WM8990_ADC_CTRL,
178 WM8990_ADC_HPF_CUT_SHIFT,
179 WM8990_ADC_HPF_CUT_MASK,
180 wm8990_adcmode);
181
182 static const struct snd_kcontrol_new wm8990_snd_controls[] = {
183 /* INMIXL */
184 SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
185 SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
186 /* INMIXR */
187 SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
188 SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
189
190 /* LOMIX */
191 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
192 WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
193 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
194 WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
195 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
196 WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
197 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
198 WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
199 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
200 WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
201 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
202 WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
203
204 /* ROMIX */
205 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
206 WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
207 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
208 WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
209 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
210 WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
211 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
212 WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
213 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
214 WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
215 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
216 WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
217
218 /* LOUT */
219 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
220 WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
221 SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
222
223 /* ROUT */
224 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
225 WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
226 SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
227
228 /* LOPGA */
229 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
230 WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
231 SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
232 WM8990_LOPGAZC_BIT, 1, 0),
233
234 /* ROPGA */
235 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
236 WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
237 SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
238 WM8990_ROPGAZC_BIT, 1, 0),
239
240 SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
241 WM8990_LONMUTE_BIT, 1, 0),
242 SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
243 WM8990_LOPMUTE_BIT, 1, 0),
244 SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
245 WM8990_LOATTN_BIT, 1, 0),
246 SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
247 WM8990_RONMUTE_BIT, 1, 0),
248 SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
249 WM8990_ROPMUTE_BIT, 1, 0),
250 SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
251 WM8990_ROATTN_BIT, 1, 0),
252
253 SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
254 WM8990_OUT3MUTE_BIT, 1, 0),
255 SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
256 WM8990_OUT3ATTN_BIT, 1, 0),
257
258 SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
259 WM8990_OUT4MUTE_BIT, 1, 0),
260 SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
261 WM8990_OUT4ATTN_BIT, 1, 0),
262
263 SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
264 WM8990_CDMODE_BIT, 1, 0),
265
266 SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
267 WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0),
268 SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
269 WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
270 SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
271 WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
272 SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
273 WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
274 SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
275 WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
276
277 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
278 WM8990_LEFT_DAC_DIGITAL_VOLUME,
279 WM8990_DACL_VOL_SHIFT,
280 WM8990_DACL_VOL_MASK,
281 0,
282 out_dac_tlv),
283
284 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
285 WM8990_RIGHT_DAC_DIGITAL_VOLUME,
286 WM8990_DACR_VOL_SHIFT,
287 WM8990_DACR_VOL_MASK,
288 0,
289 out_dac_tlv),
290
291 SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
292 SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
293
294 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
295 WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
296 out_sidetone_tlv),
297 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
298 WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
299 out_sidetone_tlv),
300
301 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
302 WM8990_ADC_HPF_ENA_BIT, 1, 0),
303
304 SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
305
306 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
307 WM8990_LEFT_ADC_DIGITAL_VOLUME,
308 WM8990_ADCL_VOL_SHIFT,
309 WM8990_ADCL_VOL_MASK,
310 0,
311 in_adc_tlv),
312
313 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
314 WM8990_RIGHT_ADC_DIGITAL_VOLUME,
315 WM8990_ADCR_VOL_SHIFT,
316 WM8990_ADCR_VOL_MASK,
317 0,
318 in_adc_tlv),
319
320 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
321 WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
322 WM8990_LIN12VOL_SHIFT,
323 WM8990_LIN12VOL_MASK,
324 0,
325 in_pga_tlv),
326
327 SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
328 WM8990_LI12ZC_BIT, 1, 0),
329
330 SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
331 WM8990_LI12MUTE_BIT, 1, 0),
332
333 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
334 WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
335 WM8990_LIN34VOL_SHIFT,
336 WM8990_LIN34VOL_MASK,
337 0,
338 in_pga_tlv),
339
340 SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
341 WM8990_LI34ZC_BIT, 1, 0),
342
343 SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
344 WM8990_LI34MUTE_BIT, 1, 0),
345
346 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
347 WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
348 WM8990_RIN12VOL_SHIFT,
349 WM8990_RIN12VOL_MASK,
350 0,
351 in_pga_tlv),
352
353 SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
354 WM8990_RI12ZC_BIT, 1, 0),
355
356 SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
357 WM8990_RI12MUTE_BIT, 1, 0),
358
359 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
360 WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
361 WM8990_RIN34VOL_SHIFT,
362 WM8990_RIN34VOL_MASK,
363 0,
364 in_pga_tlv),
365
366 SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
367 WM8990_RI34ZC_BIT, 1, 0),
368
369 SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
370 WM8990_RI34MUTE_BIT, 1, 0),
371
372 };
373
374 /*
375 * _DAPM_ Controls
376 */
377
378 static int inmixer_event(struct snd_soc_dapm_widget *w,
379 struct snd_kcontrol *kcontrol, int event)
380 {
381 u16 reg, fakepower;
382
383 reg = snd_soc_read(w->codec, WM8990_POWER_MANAGEMENT_2);
384 fakepower = snd_soc_read(w->codec, WM8990_INTDRIVBITS);
385
386 if (fakepower & ((1 << WM8990_INMIXL_PWR_BIT) |
387 (1 << WM8990_AINLMUX_PWR_BIT))) {
388 reg |= WM8990_AINL_ENA;
389 } else {
390 reg &= ~WM8990_AINL_ENA;
391 }
392
393 if (fakepower & ((1 << WM8990_INMIXR_PWR_BIT) |
394 (1 << WM8990_AINRMUX_PWR_BIT))) {
395 reg |= WM8990_AINR_ENA;
396 } else {
397 reg &= ~WM8990_AINL_ENA;
398 }
399 snd_soc_write(w->codec, WM8990_POWER_MANAGEMENT_2, reg);
400
401 return 0;
402 }
403
404 static int outmixer_event(struct snd_soc_dapm_widget *w,
405 struct snd_kcontrol *kcontrol, int event)
406 {
407 u32 reg_shift = kcontrol->private_value & 0xfff;
408 int ret = 0;
409 u16 reg;
410
411 switch (reg_shift) {
412 case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
413 reg = snd_soc_read(w->codec, WM8990_OUTPUT_MIXER1);
414 if (reg & WM8990_LDLO) {
415 printk(KERN_WARNING
416 "Cannot set as Output Mixer 1 LDLO Set\n");
417 ret = -1;
418 }
419 break;
420 case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
421 reg = snd_soc_read(w->codec, WM8990_OUTPUT_MIXER2);
422 if (reg & WM8990_RDRO) {
423 printk(KERN_WARNING
424 "Cannot set as Output Mixer 2 RDRO Set\n");
425 ret = -1;
426 }
427 break;
428 case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
429 reg = snd_soc_read(w->codec, WM8990_SPEAKER_MIXER);
430 if (reg & WM8990_LDSPK) {
431 printk(KERN_WARNING
432 "Cannot set as Speaker Mixer LDSPK Set\n");
433 ret = -1;
434 }
435 break;
436 case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
437 reg = snd_soc_read(w->codec, WM8990_SPEAKER_MIXER);
438 if (reg & WM8990_RDSPK) {
439 printk(KERN_WARNING
440 "Cannot set as Speaker Mixer RDSPK Set\n");
441 ret = -1;
442 }
443 break;
444 }
445
446 return ret;
447 }
448
449 /* INMIX dB values */
450 static const unsigned int in_mix_tlv[] = {
451 TLV_DB_RANGE_HEAD(1),
452 0, 7, TLV_DB_SCALE_ITEM(-1200, 600, 0),
453 };
454
455 /* Left In PGA Connections */
456 static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
457 SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
458 SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
459 };
460
461 static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
462 SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
463 SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
464 };
465
466 /* Right In PGA Connections */
467 static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
468 SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
469 SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
470 };
471
472 static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
473 SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
474 SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
475 };
476
477 /* INMIXL */
478 static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
479 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
480 WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
481 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
482 7, 0, in_mix_tlv),
483 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
484 1, 0),
485 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
486 1, 0),
487 };
488
489 /* INMIXR */
490 static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
491 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
492 WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
493 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
494 7, 0, in_mix_tlv),
495 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
496 1, 0),
497 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
498 1, 0),
499 };
500
501 /* AINLMUX */
502 static const char *wm8990_ainlmux[] =
503 {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
504
505 static const struct soc_enum wm8990_ainlmux_enum =
506 SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
507 ARRAY_SIZE(wm8990_ainlmux), wm8990_ainlmux);
508
509 static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
510 SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
511
512 /* DIFFINL */
513
514 /* AINRMUX */
515 static const char *wm8990_ainrmux[] =
516 {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
517
518 static const struct soc_enum wm8990_ainrmux_enum =
519 SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
520 ARRAY_SIZE(wm8990_ainrmux), wm8990_ainrmux);
521
522 static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
523 SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
524
525 /* RXVOICE */
526 static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
527 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
528 WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
529 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
530 WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
531 };
532
533 /* LOMIX */
534 static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
535 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
536 WM8990_LRBLO_BIT, 1, 0),
537 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
538 WM8990_LLBLO_BIT, 1, 0),
539 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
540 WM8990_LRI3LO_BIT, 1, 0),
541 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
542 WM8990_LLI3LO_BIT, 1, 0),
543 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
544 WM8990_LR12LO_BIT, 1, 0),
545 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
546 WM8990_LL12LO_BIT, 1, 0),
547 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
548 WM8990_LDLO_BIT, 1, 0),
549 };
550
551 /* ROMIX */
552 static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
553 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
554 WM8990_RLBRO_BIT, 1, 0),
555 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
556 WM8990_RRBRO_BIT, 1, 0),
557 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
558 WM8990_RLI3RO_BIT, 1, 0),
559 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
560 WM8990_RRI3RO_BIT, 1, 0),
561 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
562 WM8990_RL12RO_BIT, 1, 0),
563 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
564 WM8990_RR12RO_BIT, 1, 0),
565 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
566 WM8990_RDRO_BIT, 1, 0),
567 };
568
569 /* LONMIX */
570 static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
571 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
572 WM8990_LLOPGALON_BIT, 1, 0),
573 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
574 WM8990_LROPGALON_BIT, 1, 0),
575 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
576 WM8990_LOPLON_BIT, 1, 0),
577 };
578
579 /* LOPMIX */
580 static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
581 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
582 WM8990_LR12LOP_BIT, 1, 0),
583 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
584 WM8990_LL12LOP_BIT, 1, 0),
585 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
586 WM8990_LLOPGALOP_BIT, 1, 0),
587 };
588
589 /* RONMIX */
590 static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
591 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
592 WM8990_RROPGARON_BIT, 1, 0),
593 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
594 WM8990_RLOPGARON_BIT, 1, 0),
595 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
596 WM8990_ROPRON_BIT, 1, 0),
597 };
598
599 /* ROPMIX */
600 static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
601 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
602 WM8990_RL12ROP_BIT, 1, 0),
603 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
604 WM8990_RR12ROP_BIT, 1, 0),
605 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
606 WM8990_RROPGAROP_BIT, 1, 0),
607 };
608
609 /* OUT3MIX */
610 static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
611 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
612 WM8990_LI4O3_BIT, 1, 0),
613 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
614 WM8990_LPGAO3_BIT, 1, 0),
615 };
616
617 /* OUT4MIX */
618 static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
619 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
620 WM8990_RPGAO4_BIT, 1, 0),
621 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
622 WM8990_RI4O4_BIT, 1, 0),
623 };
624
625 /* SPKMIX */
626 static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
627 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
628 WM8990_LI2SPK_BIT, 1, 0),
629 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
630 WM8990_LB2SPK_BIT, 1, 0),
631 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
632 WM8990_LOPGASPK_BIT, 1, 0),
633 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
634 WM8990_LDSPK_BIT, 1, 0),
635 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
636 WM8990_RDSPK_BIT, 1, 0),
637 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
638 WM8990_ROPGASPK_BIT, 1, 0),
639 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
640 WM8990_RL12ROP_BIT, 1, 0),
641 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
642 WM8990_RI2SPK_BIT, 1, 0),
643 };
644
645 static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
646 /* Input Side */
647 /* Input Lines */
648 SND_SOC_DAPM_INPUT("LIN1"),
649 SND_SOC_DAPM_INPUT("LIN2"),
650 SND_SOC_DAPM_INPUT("LIN3"),
651 SND_SOC_DAPM_INPUT("LIN4/RXN"),
652 SND_SOC_DAPM_INPUT("RIN3"),
653 SND_SOC_DAPM_INPUT("RIN4/RXP"),
654 SND_SOC_DAPM_INPUT("RIN1"),
655 SND_SOC_DAPM_INPUT("RIN2"),
656 SND_SOC_DAPM_INPUT("Internal ADC Source"),
657
658 /* DACs */
659 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
660 WM8990_ADCL_ENA_BIT, 0),
661 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
662 WM8990_ADCR_ENA_BIT, 0),
663
664 /* Input PGAs */
665 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
666 0, &wm8990_dapm_lin12_pga_controls[0],
667 ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
668 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
669 0, &wm8990_dapm_lin34_pga_controls[0],
670 ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
671 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
672 0, &wm8990_dapm_rin12_pga_controls[0],
673 ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
674 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
675 0, &wm8990_dapm_rin34_pga_controls[0],
676 ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
677
678 /* INMIXL */
679 SND_SOC_DAPM_MIXER_E("INMIXL", WM8990_INTDRIVBITS, WM8990_INMIXL_PWR_BIT, 0,
680 &wm8990_dapm_inmixl_controls[0],
681 ARRAY_SIZE(wm8990_dapm_inmixl_controls),
682 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
683
684 /* AINLMUX */
685 SND_SOC_DAPM_MUX_E("AINLMUX", WM8990_INTDRIVBITS, WM8990_AINLMUX_PWR_BIT, 0,
686 &wm8990_dapm_ainlmux_controls, inmixer_event,
687 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
688
689 /* INMIXR */
690 SND_SOC_DAPM_MIXER_E("INMIXR", WM8990_INTDRIVBITS, WM8990_INMIXR_PWR_BIT, 0,
691 &wm8990_dapm_inmixr_controls[0],
692 ARRAY_SIZE(wm8990_dapm_inmixr_controls),
693 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
694
695 /* AINRMUX */
696 SND_SOC_DAPM_MUX_E("AINRMUX", WM8990_INTDRIVBITS, WM8990_AINRMUX_PWR_BIT, 0,
697 &wm8990_dapm_ainrmux_controls, inmixer_event,
698 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
699
700 /* Output Side */
701 /* DACs */
702 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
703 WM8990_DACL_ENA_BIT, 0),
704 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
705 WM8990_DACR_ENA_BIT, 0),
706
707 /* LOMIX */
708 SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
709 0, &wm8990_dapm_lomix_controls[0],
710 ARRAY_SIZE(wm8990_dapm_lomix_controls),
711 outmixer_event, SND_SOC_DAPM_PRE_REG),
712
713 /* LONMIX */
714 SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
715 &wm8990_dapm_lonmix_controls[0],
716 ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
717
718 /* LOPMIX */
719 SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
720 &wm8990_dapm_lopmix_controls[0],
721 ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
722
723 /* OUT3MIX */
724 SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
725 &wm8990_dapm_out3mix_controls[0],
726 ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
727
728 /* SPKMIX */
729 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
730 &wm8990_dapm_spkmix_controls[0],
731 ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
732 SND_SOC_DAPM_PRE_REG),
733
734 /* OUT4MIX */
735 SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
736 &wm8990_dapm_out4mix_controls[0],
737 ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
738
739 /* ROPMIX */
740 SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
741 &wm8990_dapm_ropmix_controls[0],
742 ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
743
744 /* RONMIX */
745 SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
746 &wm8990_dapm_ronmix_controls[0],
747 ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
748
749 /* ROMIX */
750 SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
751 0, &wm8990_dapm_romix_controls[0],
752 ARRAY_SIZE(wm8990_dapm_romix_controls),
753 outmixer_event, SND_SOC_DAPM_PRE_REG),
754
755 /* LOUT PGA */
756 SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
757 NULL, 0),
758
759 /* ROUT PGA */
760 SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
761 NULL, 0),
762
763 /* LOPGA */
764 SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
765 NULL, 0),
766
767 /* ROPGA */
768 SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
769 NULL, 0),
770
771 /* MICBIAS */
772 SND_SOC_DAPM_MICBIAS("MICBIAS", WM8990_POWER_MANAGEMENT_1,
773 WM8990_MICBIAS_ENA_BIT, 0),
774
775 SND_SOC_DAPM_OUTPUT("LON"),
776 SND_SOC_DAPM_OUTPUT("LOP"),
777 SND_SOC_DAPM_OUTPUT("OUT3"),
778 SND_SOC_DAPM_OUTPUT("LOUT"),
779 SND_SOC_DAPM_OUTPUT("SPKN"),
780 SND_SOC_DAPM_OUTPUT("SPKP"),
781 SND_SOC_DAPM_OUTPUT("ROUT"),
782 SND_SOC_DAPM_OUTPUT("OUT4"),
783 SND_SOC_DAPM_OUTPUT("ROP"),
784 SND_SOC_DAPM_OUTPUT("RON"),
785
786 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
787 };
788
789 static const struct snd_soc_dapm_route audio_map[] = {
790 /* Make DACs turn on when playing even if not mixed into any outputs */
791 {"Internal DAC Sink", NULL, "Left DAC"},
792 {"Internal DAC Sink", NULL, "Right DAC"},
793
794 /* Make ADCs turn on when recording even if not mixed from any inputs */
795 {"Left ADC", NULL, "Internal ADC Source"},
796 {"Right ADC", NULL, "Internal ADC Source"},
797
798 /* Input Side */
799 /* LIN12 PGA */
800 {"LIN12 PGA", "LIN1 Switch", "LIN1"},
801 {"LIN12 PGA", "LIN2 Switch", "LIN2"},
802 /* LIN34 PGA */
803 {"LIN34 PGA", "LIN3 Switch", "LIN3"},
804 {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
805 /* INMIXL */
806 {"INMIXL", "Record Left Volume", "LOMIX"},
807 {"INMIXL", "LIN2 Volume", "LIN2"},
808 {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
809 {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
810 /* AINLMUX */
811 {"AINLMUX", "INMIXL Mix", "INMIXL"},
812 {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
813 {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
814 {"AINLMUX", "RXVOICE Mix", "LIN4/RXN"},
815 {"AINLMUX", "RXVOICE Mix", "RIN4/RXP"},
816 /* ADC */
817 {"Left ADC", NULL, "AINLMUX"},
818
819 /* RIN12 PGA */
820 {"RIN12 PGA", "RIN1 Switch", "RIN1"},
821 {"RIN12 PGA", "RIN2 Switch", "RIN2"},
822 /* RIN34 PGA */
823 {"RIN34 PGA", "RIN3 Switch", "RIN3"},
824 {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
825 /* INMIXL */
826 {"INMIXR", "Record Right Volume", "ROMIX"},
827 {"INMIXR", "RIN2 Volume", "RIN2"},
828 {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
829 {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
830 /* AINRMUX */
831 {"AINRMUX", "INMIXR Mix", "INMIXR"},
832 {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
833 {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
834 {"AINRMUX", "RXVOICE Mix", "LIN4/RXN"},
835 {"AINRMUX", "RXVOICE Mix", "RIN4/RXP"},
836 /* ADC */
837 {"Right ADC", NULL, "AINRMUX"},
838
839 /* LOMIX */
840 {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
841 {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
842 {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
843 {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
844 {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
845 {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
846 {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
847
848 /* ROMIX */
849 {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
850 {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
851 {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
852 {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
853 {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
854 {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
855 {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
856
857 /* SPKMIX */
858 {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
859 {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
860 {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
861 {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
862 {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
863 {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
864 {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
865 {"SPKMIX", "SPKMIX Left DAC Switch", "Left DAC"},
866
867 /* LONMIX */
868 {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
869 {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
870 {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
871
872 /* LOPMIX */
873 {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
874 {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
875 {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
876
877 /* OUT3MIX */
878 {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
879 {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
880
881 /* OUT4MIX */
882 {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
883 {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
884
885 /* RONMIX */
886 {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
887 {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
888 {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
889
890 /* ROPMIX */
891 {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
892 {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
893 {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
894
895 /* Out Mixer PGAs */
896 {"LOPGA", NULL, "LOMIX"},
897 {"ROPGA", NULL, "ROMIX"},
898
899 {"LOUT PGA", NULL, "LOMIX"},
900 {"ROUT PGA", NULL, "ROMIX"},
901
902 /* Output Pins */
903 {"LON", NULL, "LONMIX"},
904 {"LOP", NULL, "LOPMIX"},
905 {"OUT3", NULL, "OUT3MIX"},
906 {"LOUT", NULL, "LOUT PGA"},
907 {"SPKN", NULL, "SPKMIX"},
908 {"ROUT", NULL, "ROUT PGA"},
909 {"OUT4", NULL, "OUT4MIX"},
910 {"ROP", NULL, "ROPMIX"},
911 {"RON", NULL, "RONMIX"},
912 };
913
914 static int wm8990_add_widgets(struct snd_soc_codec *codec)
915 {
916 struct snd_soc_dapm_context *dapm = &codec->dapm;
917
918 snd_soc_dapm_new_controls(dapm, wm8990_dapm_widgets,
919 ARRAY_SIZE(wm8990_dapm_widgets));
920 /* set up the WM8990 audio map */
921 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
922
923 return 0;
924 }
925
926 /* PLL divisors */
927 struct _pll_div {
928 u32 div2;
929 u32 n;
930 u32 k;
931 };
932
933 /* The size in bits of the pll divide multiplied by 10
934 * to allow rounding later */
935 #define FIXED_PLL_SIZE ((1 << 16) * 10)
936
937 static void pll_factors(struct _pll_div *pll_div, unsigned int target,
938 unsigned int source)
939 {
940 u64 Kpart;
941 unsigned int K, Ndiv, Nmod;
942
943
944 Ndiv = target / source;
945 if (Ndiv < 6) {
946 source >>= 1;
947 pll_div->div2 = 1;
948 Ndiv = target / source;
949 } else
950 pll_div->div2 = 0;
951
952 if ((Ndiv < 6) || (Ndiv > 12))
953 printk(KERN_WARNING
954 "WM8990 N value outwith recommended range! N = %u\n", Ndiv);
955
956 pll_div->n = Ndiv;
957 Nmod = target % source;
958 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
959
960 do_div(Kpart, source);
961
962 K = Kpart & 0xFFFFFFFF;
963
964 /* Check if we need to round */
965 if ((K % 10) >= 5)
966 K += 5;
967
968 /* Move down to proper range now rounding is done */
969 K /= 10;
970
971 pll_div->k = K;
972 }
973
974 static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
975 int source, unsigned int freq_in, unsigned int freq_out)
976 {
977 u16 reg;
978 struct snd_soc_codec *codec = codec_dai->codec;
979 struct _pll_div pll_div;
980
981 if (freq_in && freq_out) {
982 pll_factors(&pll_div, freq_out * 4, freq_in);
983
984 /* Turn on PLL */
985 reg = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_2);
986 reg |= WM8990_PLL_ENA;
987 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
988
989 /* sysclk comes from PLL */
990 reg = snd_soc_read(codec, WM8990_CLOCKING_2);
991 snd_soc_write(codec, WM8990_CLOCKING_2, reg | WM8990_SYSCLK_SRC);
992
993 /* set up N , fractional mode and pre-divisor if necessary */
994 snd_soc_write(codec, WM8990_PLL1, pll_div.n | WM8990_SDM |
995 (pll_div.div2?WM8990_PRESCALE:0));
996 snd_soc_write(codec, WM8990_PLL2, (u8)(pll_div.k>>8));
997 snd_soc_write(codec, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
998 } else {
999 /* Turn on PLL */
1000 reg = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_2);
1001 reg &= ~WM8990_PLL_ENA;
1002 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
1003 }
1004 return 0;
1005 }
1006
1007 /*
1008 * Clock after PLL and dividers
1009 */
1010 static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1011 int clk_id, unsigned int freq, int dir)
1012 {
1013 struct snd_soc_codec *codec = codec_dai->codec;
1014 struct wm8990_priv *wm8990 = snd_soc_codec_get_drvdata(codec);
1015
1016 wm8990->sysclk = freq;
1017 return 0;
1018 }
1019
1020 /*
1021 * Set's ADC and Voice DAC format.
1022 */
1023 static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
1024 unsigned int fmt)
1025 {
1026 struct snd_soc_codec *codec = codec_dai->codec;
1027 u16 audio1, audio3;
1028
1029 audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1);
1030 audio3 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_3);
1031
1032 /* set master/slave audio interface */
1033 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1034 case SND_SOC_DAIFMT_CBS_CFS:
1035 audio3 &= ~WM8990_AIF_MSTR1;
1036 break;
1037 case SND_SOC_DAIFMT_CBM_CFM:
1038 audio3 |= WM8990_AIF_MSTR1;
1039 break;
1040 default:
1041 return -EINVAL;
1042 }
1043
1044 audio1 &= ~WM8990_AIF_FMT_MASK;
1045
1046 /* interface format */
1047 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1048 case SND_SOC_DAIFMT_I2S:
1049 audio1 |= WM8990_AIF_TMF_I2S;
1050 audio1 &= ~WM8990_AIF_LRCLK_INV;
1051 break;
1052 case SND_SOC_DAIFMT_RIGHT_J:
1053 audio1 |= WM8990_AIF_TMF_RIGHTJ;
1054 audio1 &= ~WM8990_AIF_LRCLK_INV;
1055 break;
1056 case SND_SOC_DAIFMT_LEFT_J:
1057 audio1 |= WM8990_AIF_TMF_LEFTJ;
1058 audio1 &= ~WM8990_AIF_LRCLK_INV;
1059 break;
1060 case SND_SOC_DAIFMT_DSP_A:
1061 audio1 |= WM8990_AIF_TMF_DSP;
1062 audio1 &= ~WM8990_AIF_LRCLK_INV;
1063 break;
1064 case SND_SOC_DAIFMT_DSP_B:
1065 audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
1066 break;
1067 default:
1068 return -EINVAL;
1069 }
1070
1071 snd_soc_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1072 snd_soc_write(codec, WM8990_AUDIO_INTERFACE_3, audio3);
1073 return 0;
1074 }
1075
1076 static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1077 int div_id, int div)
1078 {
1079 struct snd_soc_codec *codec = codec_dai->codec;
1080 u16 reg;
1081
1082 switch (div_id) {
1083 case WM8990_MCLK_DIV:
1084 reg = snd_soc_read(codec, WM8990_CLOCKING_2) &
1085 ~WM8990_MCLK_DIV_MASK;
1086 snd_soc_write(codec, WM8990_CLOCKING_2, reg | div);
1087 break;
1088 case WM8990_DACCLK_DIV:
1089 reg = snd_soc_read(codec, WM8990_CLOCKING_2) &
1090 ~WM8990_DAC_CLKDIV_MASK;
1091 snd_soc_write(codec, WM8990_CLOCKING_2, reg | div);
1092 break;
1093 case WM8990_ADCCLK_DIV:
1094 reg = snd_soc_read(codec, WM8990_CLOCKING_2) &
1095 ~WM8990_ADC_CLKDIV_MASK;
1096 snd_soc_write(codec, WM8990_CLOCKING_2, reg | div);
1097 break;
1098 case WM8990_BCLK_DIV:
1099 reg = snd_soc_read(codec, WM8990_CLOCKING_1) &
1100 ~WM8990_BCLK_DIV_MASK;
1101 snd_soc_write(codec, WM8990_CLOCKING_1, reg | div);
1102 break;
1103 default:
1104 return -EINVAL;
1105 }
1106
1107 return 0;
1108 }
1109
1110 /*
1111 * Set PCM DAI bit size and sample rate.
1112 */
1113 static int wm8990_hw_params(struct snd_pcm_substream *substream,
1114 struct snd_pcm_hw_params *params,
1115 struct snd_soc_dai *dai)
1116 {
1117 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1118 struct snd_soc_codec *codec = rtd->codec;
1119 u16 audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1);
1120
1121 audio1 &= ~WM8990_AIF_WL_MASK;
1122 /* bit size */
1123 switch (params_format(params)) {
1124 case SNDRV_PCM_FORMAT_S16_LE:
1125 break;
1126 case SNDRV_PCM_FORMAT_S20_3LE:
1127 audio1 |= WM8990_AIF_WL_20BITS;
1128 break;
1129 case SNDRV_PCM_FORMAT_S24_LE:
1130 audio1 |= WM8990_AIF_WL_24BITS;
1131 break;
1132 case SNDRV_PCM_FORMAT_S32_LE:
1133 audio1 |= WM8990_AIF_WL_32BITS;
1134 break;
1135 }
1136
1137 snd_soc_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1138 return 0;
1139 }
1140
1141 static int wm8990_mute(struct snd_soc_dai *dai, int mute)
1142 {
1143 struct snd_soc_codec *codec = dai->codec;
1144 u16 val;
1145
1146 val = snd_soc_read(codec, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
1147
1148 if (mute)
1149 snd_soc_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1150 else
1151 snd_soc_write(codec, WM8990_DAC_CTRL, val);
1152
1153 return 0;
1154 }
1155
1156 static int wm8990_set_bias_level(struct snd_soc_codec *codec,
1157 enum snd_soc_bias_level level)
1158 {
1159 u16 val;
1160
1161 switch (level) {
1162 case SND_SOC_BIAS_ON:
1163 break;
1164
1165 case SND_SOC_BIAS_PREPARE:
1166 /* VMID=2*50k */
1167 val = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_1) &
1168 ~WM8990_VMID_MODE_MASK;
1169 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, val | 0x2);
1170 break;
1171
1172 case SND_SOC_BIAS_STANDBY:
1173 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1174 /* Enable all output discharge bits */
1175 snd_soc_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1176 WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1177 WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1178 WM8990_DIS_ROUT);
1179
1180 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1181 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1182 WM8990_BUFDCOPEN | WM8990_POBCTRL |
1183 WM8990_VMIDTOG);
1184
1185 /* Delay to allow output caps to discharge */
1186 msleep(300);
1187
1188 /* Disable VMIDTOG */
1189 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1190 WM8990_BUFDCOPEN | WM8990_POBCTRL);
1191
1192 /* disable all output discharge bits */
1193 snd_soc_write(codec, WM8990_ANTIPOP1, 0);
1194
1195 /* Enable outputs */
1196 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1b00);
1197
1198 msleep(50);
1199
1200 /* Enable VMID at 2x50k */
1201 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f02);
1202
1203 msleep(100);
1204
1205 /* Enable VREF */
1206 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1207
1208 msleep(600);
1209
1210 /* Enable BUFIOEN */
1211 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1212 WM8990_BUFDCOPEN | WM8990_POBCTRL |
1213 WM8990_BUFIOEN);
1214
1215 /* Disable outputs */
1216 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x3);
1217
1218 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1219 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN);
1220
1221 /* Enable workaround for ADC clocking issue. */
1222 snd_soc_write(codec, WM8990_EXT_ACCESS_ENA, 0x2);
1223 snd_soc_write(codec, WM8990_EXT_CTL1, 0xa003);
1224 snd_soc_write(codec, WM8990_EXT_ACCESS_ENA, 0);
1225 }
1226
1227 /* VMID=2*250k */
1228 val = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_1) &
1229 ~WM8990_VMID_MODE_MASK;
1230 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, val | 0x4);
1231 break;
1232
1233 case SND_SOC_BIAS_OFF:
1234 /* Enable POBCTRL and SOFT_ST */
1235 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1236 WM8990_POBCTRL | WM8990_BUFIOEN);
1237
1238 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1239 snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1240 WM8990_BUFDCOPEN | WM8990_POBCTRL |
1241 WM8990_BUFIOEN);
1242
1243 /* mute DAC */
1244 val = snd_soc_read(codec, WM8990_DAC_CTRL);
1245 snd_soc_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1246
1247 /* Enable any disabled outputs */
1248 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1249
1250 /* Disable VMID */
1251 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f01);
1252
1253 msleep(300);
1254
1255 /* Enable all output discharge bits */
1256 snd_soc_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1257 WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1258 WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1259 WM8990_DIS_ROUT);
1260
1261 /* Disable VREF */
1262 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x0);
1263
1264 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1265 snd_soc_write(codec, WM8990_ANTIPOP2, 0x0);
1266 break;
1267 }
1268
1269 codec->dapm.bias_level = level;
1270 return 0;
1271 }
1272
1273 #define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1274 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
1275 SNDRV_PCM_RATE_48000)
1276
1277 #define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1278 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1279
1280 /*
1281 * The WM8990 supports 2 different and mutually exclusive DAI
1282 * configurations.
1283 *
1284 * 1. ADC/DAC on Primary Interface
1285 * 2. ADC on Primary Interface/DAC on secondary
1286 */
1287 static struct snd_soc_dai_ops wm8990_dai_ops = {
1288 .hw_params = wm8990_hw_params,
1289 .digital_mute = wm8990_mute,
1290 .set_fmt = wm8990_set_dai_fmt,
1291 .set_clkdiv = wm8990_set_dai_clkdiv,
1292 .set_pll = wm8990_set_dai_pll,
1293 .set_sysclk = wm8990_set_dai_sysclk,
1294 };
1295
1296 static struct snd_soc_dai_driver wm8990_dai = {
1297 /* ADC/DAC on primary */
1298 .name = "wm8990-hifi",
1299 .playback = {
1300 .stream_name = "Playback",
1301 .channels_min = 1,
1302 .channels_max = 2,
1303 .rates = WM8990_RATES,
1304 .formats = WM8990_FORMATS,},
1305 .capture = {
1306 .stream_name = "Capture",
1307 .channels_min = 1,
1308 .channels_max = 2,
1309 .rates = WM8990_RATES,
1310 .formats = WM8990_FORMATS,},
1311 .ops = &wm8990_dai_ops,
1312 };
1313
1314 static int wm8990_suspend(struct snd_soc_codec *codec, pm_message_t state)
1315 {
1316 wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1317 return 0;
1318 }
1319
1320 static int wm8990_resume(struct snd_soc_codec *codec)
1321 {
1322 int i;
1323 u8 data[2];
1324 u16 *cache = codec->reg_cache;
1325
1326 /* Sync reg_cache with the hardware */
1327 for (i = 0; i < ARRAY_SIZE(wm8990_reg); i++) {
1328 if (i + 1 == WM8990_RESET)
1329 continue;
1330 data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001);
1331 data[1] = cache[i] & 0x00ff;
1332 codec->hw_write(codec->control_data, data, 2);
1333 }
1334
1335 wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1336 return 0;
1337 }
1338
1339 /*
1340 * initialise the WM8990 driver
1341 * register the mixer and dsp interfaces with the kernel
1342 */
1343 static int wm8990_probe(struct snd_soc_codec *codec)
1344 {
1345 int ret;
1346 u16 reg;
1347
1348 ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
1349 if (ret < 0) {
1350 printk(KERN_ERR "wm8990: failed to set cache I/O: %d\n", ret);
1351 return ret;
1352 }
1353
1354 wm8990_reset(codec);
1355
1356 /* charge output caps */
1357 wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1358
1359 reg = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_4);
1360 snd_soc_write(codec, WM8990_AUDIO_INTERFACE_4, reg | WM8990_ALRCGPIO1);
1361
1362 reg = snd_soc_read(codec, WM8990_GPIO1_GPIO2) &
1363 ~WM8990_GPIO1_SEL_MASK;
1364 snd_soc_write(codec, WM8990_GPIO1_GPIO2, reg | 1);
1365
1366 reg = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_2);
1367 snd_soc_write(codec, WM8990_POWER_MANAGEMENT_2, reg | WM8990_OPCLK_ENA);
1368
1369 snd_soc_write(codec, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1370 snd_soc_write(codec, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1371
1372 snd_soc_add_controls(codec, wm8990_snd_controls,
1373 ARRAY_SIZE(wm8990_snd_controls));
1374 wm8990_add_widgets(codec);
1375
1376 return 0;
1377 }
1378
1379 /* power down chip */
1380 static int wm8990_remove(struct snd_soc_codec *codec)
1381 {
1382 wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1383 return 0;
1384 }
1385
1386 static struct snd_soc_codec_driver soc_codec_dev_wm8990 = {
1387 .probe = wm8990_probe,
1388 .remove = wm8990_remove,
1389 .suspend = wm8990_suspend,
1390 .resume = wm8990_resume,
1391 .set_bias_level = wm8990_set_bias_level,
1392 .reg_cache_size = ARRAY_SIZE(wm8990_reg),
1393 .reg_word_size = sizeof(u16),
1394 .reg_cache_default = wm8990_reg,
1395 };
1396
1397 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1398 static __devinit int wm8990_i2c_probe(struct i2c_client *i2c,
1399 const struct i2c_device_id *id)
1400 {
1401 struct wm8990_priv *wm8990;
1402 int ret;
1403
1404 wm8990 = kzalloc(sizeof(struct wm8990_priv), GFP_KERNEL);
1405 if (wm8990 == NULL)
1406 return -ENOMEM;
1407
1408 i2c_set_clientdata(i2c, wm8990);
1409
1410 ret = snd_soc_register_codec(&i2c->dev,
1411 &soc_codec_dev_wm8990, &wm8990_dai, 1);
1412 if (ret < 0)
1413 kfree(wm8990);
1414 return ret;
1415 }
1416
1417 static __devexit int wm8990_i2c_remove(struct i2c_client *client)
1418 {
1419 snd_soc_unregister_codec(&client->dev);
1420 kfree(i2c_get_clientdata(client));
1421 return 0;
1422 }
1423
1424 static const struct i2c_device_id wm8990_i2c_id[] = {
1425 { "wm8990", 0 },
1426 { }
1427 };
1428 MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
1429
1430 static struct i2c_driver wm8990_i2c_driver = {
1431 .driver = {
1432 .name = "wm8990-codec",
1433 .owner = THIS_MODULE,
1434 },
1435 .probe = wm8990_i2c_probe,
1436 .remove = __devexit_p(wm8990_i2c_remove),
1437 .id_table = wm8990_i2c_id,
1438 };
1439 #endif
1440
1441 static int __init wm8990_modinit(void)
1442 {
1443 int ret = 0;
1444 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1445 ret = i2c_add_driver(&wm8990_i2c_driver);
1446 if (ret != 0) {
1447 printk(KERN_ERR "Failed to register wm8990 I2C driver: %d\n",
1448 ret);
1449 }
1450 #endif
1451 return ret;
1452 }
1453 module_init(wm8990_modinit);
1454
1455 static void __exit wm8990_exit(void)
1456 {
1457 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1458 i2c_del_driver(&wm8990_i2c_driver);
1459 #endif
1460 }
1461 module_exit(wm8990_exit);
1462
1463 MODULE_DESCRIPTION("ASoC WM8990 driver");
1464 MODULE_AUTHOR("Liam Girdwood");
1465 MODULE_LICENSE("GPL");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree