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Richard Purdieabadfc92006-10-06 18:36:39 +02001/*
2 * wm8750.c -- WM8750 ALSA SoC audio driver
3 *
4 * Copyright 2005 Openedhand Ltd.
5 *
6 * Author: Richard Purdie <richard@openedhand.com>
7 *
8 * Based on WM8753.c
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/module.h>
16#include <linux/moduleparam.h>
17#include <linux/init.h>
18#include <linux/delay.h>
19#include <linux/pm.h>
20#include <linux/i2c.h>
21#include <linux/platform_device.h>
Mark Brown2f3dfaf2008-09-16 12:51:26 +010022#include <linux/spi/spi.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090023#include <linux/slab.h>
Mark Brownce31a0f2011-08-03 17:34:59 +090024#include <linux/of_device.h>
Richard Purdieabadfc92006-10-06 18:36:39 +020025#include <sound/core.h>
26#include <sound/pcm.h>
27#include <sound/pcm_params.h>
28#include <sound/soc.h>
Richard Purdieabadfc92006-10-06 18:36:39 +020029#include <sound/initval.h>
30
31#include "wm8750.h"
32
Richard Purdieabadfc92006-10-06 18:36:39 +020033/*
34 * wm8750 register cache
35 * We can't read the WM8750 register space when we
36 * are using 2 wire for device control, so we cache them instead.
37 */
38static const u16 wm8750_reg[] = {
39 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */
40 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */
41 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */
42 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */
43 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */
44 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */
45 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */
46 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */
47 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */
48 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */
49 0x0079, 0x0079, 0x0079, /* 40 */
50};
51
Marek Vasut6ca0c222010-04-08 20:48:51 +020052/* codec private data */
53struct wm8750_priv {
54 unsigned int sysclk;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +000055 enum snd_soc_control_type control_type;
Marek Vasut6ca0c222010-04-08 20:48:51 +020056};
57
Mark Brown17a52fd2009-07-05 17:24:50 +010058#define wm8750_reset(c) snd_soc_write(c, WM8750_RESET, 0)
Richard Purdieabadfc92006-10-06 18:36:39 +020059
60/*
61 * WM8750 Controls
62 */
63static const char *wm8750_bass[] = {"Linear Control", "Adaptive Boost"};
64static const char *wm8750_bass_filter[] = { "130Hz @ 48kHz", "200Hz @ 48kHz" };
65static const char *wm8750_treble[] = {"8kHz", "4kHz"};
66static const char *wm8750_3d_lc[] = {"200Hz", "500Hz"};
67static const char *wm8750_3d_uc[] = {"2.2kHz", "1.5kHz"};
68static const char *wm8750_3d_func[] = {"Capture", "Playback"};
69static const char *wm8750_alc_func[] = {"Off", "Right", "Left", "Stereo"};
70static const char *wm8750_ng_type[] = {"Constant PGA Gain",
71 "Mute ADC Output"};
72static const char *wm8750_line_mux[] = {"Line 1", "Line 2", "Line 3", "PGA",
73 "Differential"};
74static const char *wm8750_pga_sel[] = {"Line 1", "Line 2", "Line 3",
75 "Differential"};
76static const char *wm8750_out3[] = {"VREF", "ROUT1 + Vol", "MonoOut",
77 "ROUT1"};
78static const char *wm8750_diff_sel[] = {"Line 1", "Line 2"};
79static const char *wm8750_adcpol[] = {"Normal", "L Invert", "R Invert",
80 "L + R Invert"};
81static const char *wm8750_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
82static const char *wm8750_mono_mux[] = {"Stereo", "Mono (Left)",
83 "Mono (Right)", "Digital Mono"};
84
85static const struct soc_enum wm8750_enum[] = {
86SOC_ENUM_SINGLE(WM8750_BASS, 7, 2, wm8750_bass),
87SOC_ENUM_SINGLE(WM8750_BASS, 6, 2, wm8750_bass_filter),
88SOC_ENUM_SINGLE(WM8750_TREBLE, 6, 2, wm8750_treble),
89SOC_ENUM_SINGLE(WM8750_3D, 5, 2, wm8750_3d_lc),
90SOC_ENUM_SINGLE(WM8750_3D, 6, 2, wm8750_3d_uc),
91SOC_ENUM_SINGLE(WM8750_3D, 7, 2, wm8750_3d_func),
92SOC_ENUM_SINGLE(WM8750_ALC1, 7, 4, wm8750_alc_func),
93SOC_ENUM_SINGLE(WM8750_NGATE, 1, 2, wm8750_ng_type),
94SOC_ENUM_SINGLE(WM8750_LOUTM1, 0, 5, wm8750_line_mux),
95SOC_ENUM_SINGLE(WM8750_ROUTM1, 0, 5, wm8750_line_mux),
96SOC_ENUM_SINGLE(WM8750_LADCIN, 6, 4, wm8750_pga_sel), /* 10 */
97SOC_ENUM_SINGLE(WM8750_RADCIN, 6, 4, wm8750_pga_sel),
98SOC_ENUM_SINGLE(WM8750_ADCTL2, 7, 4, wm8750_out3),
99SOC_ENUM_SINGLE(WM8750_ADCIN, 8, 2, wm8750_diff_sel),
100SOC_ENUM_SINGLE(WM8750_ADCDAC, 5, 4, wm8750_adcpol),
101SOC_ENUM_SINGLE(WM8750_ADCDAC, 1, 4, wm8750_deemph),
102SOC_ENUM_SINGLE(WM8750_ADCIN, 6, 4, wm8750_mono_mux), /* 16 */
103
104};
105
106static const struct snd_kcontrol_new wm8750_snd_controls[] = {
107
108SOC_DOUBLE_R("Capture Volume", WM8750_LINVOL, WM8750_RINVOL, 0, 63, 0),
109SOC_DOUBLE_R("Capture ZC Switch", WM8750_LINVOL, WM8750_RINVOL, 6, 1, 0),
110SOC_DOUBLE_R("Capture Switch", WM8750_LINVOL, WM8750_RINVOL, 7, 1, 1),
111
Liam Girdwoodbd903b62006-11-09 16:35:01 +0100112SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8750_LOUT1V,
Richard Purdieabadfc92006-10-06 18:36:39 +0200113 WM8750_ROUT1V, 7, 1, 0),
Liam Girdwoodbd903b62006-11-09 16:35:01 +0100114SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8750_LOUT2V,
Richard Purdieabadfc92006-10-06 18:36:39 +0200115 WM8750_ROUT2V, 7, 1, 0),
116
117SOC_ENUM("Playback De-emphasis", wm8750_enum[15]),
118
119SOC_ENUM("Capture Polarity", wm8750_enum[14]),
120SOC_SINGLE("Playback 6dB Attenuate", WM8750_ADCDAC, 7, 1, 0),
121SOC_SINGLE("Capture 6dB Attenuate", WM8750_ADCDAC, 8, 1, 0),
122
123SOC_DOUBLE_R("PCM Volume", WM8750_LDAC, WM8750_RDAC, 0, 255, 0),
124
125SOC_ENUM("Bass Boost", wm8750_enum[0]),
126SOC_ENUM("Bass Filter", wm8750_enum[1]),
127SOC_SINGLE("Bass Volume", WM8750_BASS, 0, 15, 1),
128
Stanislav Brabec6a7b8cf2007-11-12 12:11:10 +0100129SOC_SINGLE("Treble Volume", WM8750_TREBLE, 0, 15, 1),
Richard Purdieabadfc92006-10-06 18:36:39 +0200130SOC_ENUM("Treble Cut-off", wm8750_enum[2]),
131
132SOC_SINGLE("3D Switch", WM8750_3D, 0, 1, 0),
133SOC_SINGLE("3D Volume", WM8750_3D, 1, 15, 0),
134SOC_ENUM("3D Lower Cut-off", wm8750_enum[3]),
135SOC_ENUM("3D Upper Cut-off", wm8750_enum[4]),
136SOC_ENUM("3D Mode", wm8750_enum[5]),
137
138SOC_SINGLE("ALC Capture Target Volume", WM8750_ALC1, 0, 7, 0),
139SOC_SINGLE("ALC Capture Max Volume", WM8750_ALC1, 4, 7, 0),
140SOC_ENUM("ALC Capture Function", wm8750_enum[6]),
141SOC_SINGLE("ALC Capture ZC Switch", WM8750_ALC2, 7, 1, 0),
142SOC_SINGLE("ALC Capture Hold Time", WM8750_ALC2, 0, 15, 0),
143SOC_SINGLE("ALC Capture Decay Time", WM8750_ALC3, 4, 15, 0),
144SOC_SINGLE("ALC Capture Attack Time", WM8750_ALC3, 0, 15, 0),
145SOC_SINGLE("ALC Capture NG Threshold", WM8750_NGATE, 3, 31, 0),
146SOC_ENUM("ALC Capture NG Type", wm8750_enum[4]),
147SOC_SINGLE("ALC Capture NG Switch", WM8750_NGATE, 0, 1, 0),
148
149SOC_SINGLE("Left ADC Capture Volume", WM8750_LADC, 0, 255, 0),
150SOC_SINGLE("Right ADC Capture Volume", WM8750_RADC, 0, 255, 0),
151
152SOC_SINGLE("ZC Timeout Switch", WM8750_ADCTL1, 0, 1, 0),
153SOC_SINGLE("Playback Invert Switch", WM8750_ADCTL1, 1, 1, 0),
154
Liam Girdwoodbd903b62006-11-09 16:35:01 +0100155SOC_SINGLE("Right Speaker Playback Invert Switch", WM8750_ADCTL2, 4, 1, 0),
Richard Purdieabadfc92006-10-06 18:36:39 +0200156
157/* Unimplemented */
158/* ADCDAC Bit 0 - ADCHPD */
159/* ADCDAC Bit 4 - HPOR */
160/* ADCTL1 Bit 2,3 - DATSEL */
161/* ADCTL1 Bit 4,5 - DMONOMIX */
162/* ADCTL1 Bit 6,7 - VSEL */
163/* ADCTL2 Bit 2 - LRCM */
164/* ADCTL2 Bit 3 - TRI */
165/* ADCTL3 Bit 5 - HPFLREN */
166/* ADCTL3 Bit 6 - VROI */
167/* ADCTL3 Bit 7,8 - ADCLRM */
168/* ADCIN Bit 4 - LDCM */
169/* ADCIN Bit 5 - RDCM */
170
171SOC_DOUBLE_R("Mic Boost", WM8750_LADCIN, WM8750_RADCIN, 4, 3, 0),
172
173SOC_DOUBLE_R("Bypass Left Playback Volume", WM8750_LOUTM1,
174 WM8750_LOUTM2, 4, 7, 1),
175SOC_DOUBLE_R("Bypass Right Playback Volume", WM8750_ROUTM1,
176 WM8750_ROUTM2, 4, 7, 1),
177SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8750_MOUTM1,
178 WM8750_MOUTM2, 4, 7, 1),
179
180SOC_SINGLE("Mono Playback ZC Switch", WM8750_MOUTV, 7, 1, 0),
181
Liam Girdwoodbd903b62006-11-09 16:35:01 +0100182SOC_DOUBLE_R("Headphone Playback Volume", WM8750_LOUT1V, WM8750_ROUT1V,
183 0, 127, 0),
184SOC_DOUBLE_R("Speaker Playback Volume", WM8750_LOUT2V, WM8750_ROUT2V,
185 0, 127, 0),
Richard Purdieabadfc92006-10-06 18:36:39 +0200186
187SOC_SINGLE("Mono Playback Volume", WM8750_MOUTV, 0, 127, 0),
188
189};
190
Richard Purdieabadfc92006-10-06 18:36:39 +0200191/*
192 * DAPM Controls
193 */
194
195/* Left Mixer */
196static const struct snd_kcontrol_new wm8750_left_mixer_controls[] = {
197SOC_DAPM_SINGLE("Playback Switch", WM8750_LOUTM1, 8, 1, 0),
198SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_LOUTM1, 7, 1, 0),
199SOC_DAPM_SINGLE("Right Playback Switch", WM8750_LOUTM2, 8, 1, 0),
200SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_LOUTM2, 7, 1, 0),
201};
202
203/* Right Mixer */
204static const struct snd_kcontrol_new wm8750_right_mixer_controls[] = {
205SOC_DAPM_SINGLE("Left Playback Switch", WM8750_ROUTM1, 8, 1, 0),
206SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_ROUTM1, 7, 1, 0),
207SOC_DAPM_SINGLE("Playback Switch", WM8750_ROUTM2, 8, 1, 0),
208SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_ROUTM2, 7, 1, 0),
209};
210
211/* Mono Mixer */
212static const struct snd_kcontrol_new wm8750_mono_mixer_controls[] = {
213SOC_DAPM_SINGLE("Left Playback Switch", WM8750_MOUTM1, 8, 1, 0),
214SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_MOUTM1, 7, 1, 0),
215SOC_DAPM_SINGLE("Right Playback Switch", WM8750_MOUTM2, 8, 1, 0),
216SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_MOUTM2, 7, 1, 0),
217};
218
219/* Left Line Mux */
220static const struct snd_kcontrol_new wm8750_left_line_controls =
221SOC_DAPM_ENUM("Route", wm8750_enum[8]);
222
223/* Right Line Mux */
224static const struct snd_kcontrol_new wm8750_right_line_controls =
225SOC_DAPM_ENUM("Route", wm8750_enum[9]);
226
227/* Left PGA Mux */
228static const struct snd_kcontrol_new wm8750_left_pga_controls =
229SOC_DAPM_ENUM("Route", wm8750_enum[10]);
230
231/* Right PGA Mux */
232static const struct snd_kcontrol_new wm8750_right_pga_controls =
233SOC_DAPM_ENUM("Route", wm8750_enum[11]);
234
235/* Out 3 Mux */
236static const struct snd_kcontrol_new wm8750_out3_controls =
237SOC_DAPM_ENUM("Route", wm8750_enum[12]);
238
239/* Differential Mux */
240static const struct snd_kcontrol_new wm8750_diffmux_controls =
241SOC_DAPM_ENUM("Route", wm8750_enum[13]);
242
243/* Mono ADC Mux */
244static const struct snd_kcontrol_new wm8750_monomux_controls =
245SOC_DAPM_ENUM("Route", wm8750_enum[16]);
246
247static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
248 SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
249 &wm8750_left_mixer_controls[0],
250 ARRAY_SIZE(wm8750_left_mixer_controls)),
251 SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
252 &wm8750_right_mixer_controls[0],
253 ARRAY_SIZE(wm8750_right_mixer_controls)),
254 SND_SOC_DAPM_MIXER("Mono Mixer", WM8750_PWR2, 2, 0,
255 &wm8750_mono_mixer_controls[0],
256 ARRAY_SIZE(wm8750_mono_mixer_controls)),
257
258 SND_SOC_DAPM_PGA("Right Out 2", WM8750_PWR2, 3, 0, NULL, 0),
259 SND_SOC_DAPM_PGA("Left Out 2", WM8750_PWR2, 4, 0, NULL, 0),
260 SND_SOC_DAPM_PGA("Right Out 1", WM8750_PWR2, 5, 0, NULL, 0),
261 SND_SOC_DAPM_PGA("Left Out 1", WM8750_PWR2, 6, 0, NULL, 0),
262 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8750_PWR2, 7, 0),
263 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8750_PWR2, 8, 0),
264
265 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8750_PWR1, 1, 0),
266 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8750_PWR1, 2, 0),
267 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8750_PWR1, 3, 0),
268
269 SND_SOC_DAPM_MUX("Left PGA Mux", WM8750_PWR1, 5, 0,
270 &wm8750_left_pga_controls),
271 SND_SOC_DAPM_MUX("Right PGA Mux", WM8750_PWR1, 4, 0,
272 &wm8750_right_pga_controls),
273 SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
274 &wm8750_left_line_controls),
275 SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
276 &wm8750_right_line_controls),
277
278 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8750_out3_controls),
279 SND_SOC_DAPM_PGA("Out 3", WM8750_PWR2, 1, 0, NULL, 0),
280 SND_SOC_DAPM_PGA("Mono Out 1", WM8750_PWR2, 2, 0, NULL, 0),
281
282 SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0,
283 &wm8750_diffmux_controls),
284 SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
285 &wm8750_monomux_controls),
286 SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
287 &wm8750_monomux_controls),
288
289 SND_SOC_DAPM_OUTPUT("LOUT1"),
290 SND_SOC_DAPM_OUTPUT("ROUT1"),
291 SND_SOC_DAPM_OUTPUT("LOUT2"),
292 SND_SOC_DAPM_OUTPUT("ROUT2"),
Dmitry Baryshkov23ba79b2008-08-09 15:05:28 +0400293 SND_SOC_DAPM_OUTPUT("MONO1"),
Richard Purdieabadfc92006-10-06 18:36:39 +0200294 SND_SOC_DAPM_OUTPUT("OUT3"),
Dmitry Baryshkov04489ee2008-08-12 02:45:31 +0400295 SND_SOC_DAPM_OUTPUT("VREF"),
Richard Purdieabadfc92006-10-06 18:36:39 +0200296
297 SND_SOC_DAPM_INPUT("LINPUT1"),
298 SND_SOC_DAPM_INPUT("LINPUT2"),
299 SND_SOC_DAPM_INPUT("LINPUT3"),
300 SND_SOC_DAPM_INPUT("RINPUT1"),
301 SND_SOC_DAPM_INPUT("RINPUT2"),
302 SND_SOC_DAPM_INPUT("RINPUT3"),
303};
304
Mark Browna65f0562008-05-13 14:54:43 +0200305static const struct snd_soc_dapm_route audio_map[] = {
Richard Purdieabadfc92006-10-06 18:36:39 +0200306 /* left mixer */
307 {"Left Mixer", "Playback Switch", "Left DAC"},
308 {"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
309 {"Left Mixer", "Right Playback Switch", "Right DAC"},
310 {"Left Mixer", "Right Bypass Switch", "Right Line Mux"},
311
312 /* right mixer */
313 {"Right Mixer", "Left Playback Switch", "Left DAC"},
314 {"Right Mixer", "Left Bypass Switch", "Left Line Mux"},
315 {"Right Mixer", "Playback Switch", "Right DAC"},
316 {"Right Mixer", "Right Bypass Switch", "Right Line Mux"},
317
318 /* left out 1 */
319 {"Left Out 1", NULL, "Left Mixer"},
320 {"LOUT1", NULL, "Left Out 1"},
321
322 /* left out 2 */
323 {"Left Out 2", NULL, "Left Mixer"},
324 {"LOUT2", NULL, "Left Out 2"},
325
326 /* right out 1 */
327 {"Right Out 1", NULL, "Right Mixer"},
328 {"ROUT1", NULL, "Right Out 1"},
329
330 /* right out 2 */
331 {"Right Out 2", NULL, "Right Mixer"},
332 {"ROUT2", NULL, "Right Out 2"},
333
334 /* mono mixer */
335 {"Mono Mixer", "Left Playback Switch", "Left DAC"},
336 {"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
337 {"Mono Mixer", "Right Playback Switch", "Right DAC"},
338 {"Mono Mixer", "Right Bypass Switch", "Right Line Mux"},
339
340 /* mono out */
341 {"Mono Out 1", NULL, "Mono Mixer"},
342 {"MONO1", NULL, "Mono Out 1"},
343
344 /* out 3 */
345 {"Out3 Mux", "VREF", "VREF"},
346 {"Out3 Mux", "ROUT1 + Vol", "ROUT1"},
347 {"Out3 Mux", "ROUT1", "Right Mixer"},
348 {"Out3 Mux", "MonoOut", "MONO1"},
349 {"Out 3", NULL, "Out3 Mux"},
350 {"OUT3", NULL, "Out 3"},
351
352 /* Left Line Mux */
353 {"Left Line Mux", "Line 1", "LINPUT1"},
354 {"Left Line Mux", "Line 2", "LINPUT2"},
355 {"Left Line Mux", "Line 3", "LINPUT3"},
356 {"Left Line Mux", "PGA", "Left PGA Mux"},
357 {"Left Line Mux", "Differential", "Differential Mux"},
358
359 /* Right Line Mux */
360 {"Right Line Mux", "Line 1", "RINPUT1"},
361 {"Right Line Mux", "Line 2", "RINPUT2"},
362 {"Right Line Mux", "Line 3", "RINPUT3"},
363 {"Right Line Mux", "PGA", "Right PGA Mux"},
364 {"Right Line Mux", "Differential", "Differential Mux"},
365
366 /* Left PGA Mux */
367 {"Left PGA Mux", "Line 1", "LINPUT1"},
368 {"Left PGA Mux", "Line 2", "LINPUT2"},
369 {"Left PGA Mux", "Line 3", "LINPUT3"},
370 {"Left PGA Mux", "Differential", "Differential Mux"},
371
372 /* Right PGA Mux */
373 {"Right PGA Mux", "Line 1", "RINPUT1"},
374 {"Right PGA Mux", "Line 2", "RINPUT2"},
375 {"Right PGA Mux", "Line 3", "RINPUT3"},
376 {"Right PGA Mux", "Differential", "Differential Mux"},
377
378 /* Differential Mux */
379 {"Differential Mux", "Line 1", "LINPUT1"},
380 {"Differential Mux", "Line 1", "RINPUT1"},
381 {"Differential Mux", "Line 2", "LINPUT2"},
382 {"Differential Mux", "Line 2", "RINPUT2"},
383
384 /* Left ADC Mux */
385 {"Left ADC Mux", "Stereo", "Left PGA Mux"},
386 {"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
387 {"Left ADC Mux", "Digital Mono", "Left PGA Mux"},
388
389 /* Right ADC Mux */
390 {"Right ADC Mux", "Stereo", "Right PGA Mux"},
391 {"Right ADC Mux", "Mono (Right)", "Right PGA Mux"},
392 {"Right ADC Mux", "Digital Mono", "Right PGA Mux"},
393
394 /* ADC */
395 {"Left ADC", NULL, "Left ADC Mux"},
396 {"Right ADC", NULL, "Right ADC Mux"},
Richard Purdieabadfc92006-10-06 18:36:39 +0200397};
398
399static int wm8750_add_widgets(struct snd_soc_codec *codec)
400{
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200401 struct snd_soc_dapm_context *dapm = &codec->dapm;
Richard Purdieabadfc92006-10-06 18:36:39 +0200402
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200403 snd_soc_dapm_new_controls(dapm, wm8750_dapm_widgets,
404 ARRAY_SIZE(wm8750_dapm_widgets));
405 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
Richard Purdieabadfc92006-10-06 18:36:39 +0200406
Richard Purdieabadfc92006-10-06 18:36:39 +0200407 return 0;
408}
409
410struct _coeff_div {
411 u32 mclk;
412 u32 rate;
413 u16 fs;
414 u8 sr:5;
415 u8 usb:1;
416};
417
418/* codec hifi mclk clock divider coefficients */
419static const struct _coeff_div coeff_div[] = {
420 /* 8k */
421 {12288000, 8000, 1536, 0x6, 0x0},
422 {11289600, 8000, 1408, 0x16, 0x0},
423 {18432000, 8000, 2304, 0x7, 0x0},
424 {16934400, 8000, 2112, 0x17, 0x0},
425 {12000000, 8000, 1500, 0x6, 0x1},
426
427 /* 11.025k */
428 {11289600, 11025, 1024, 0x18, 0x0},
429 {16934400, 11025, 1536, 0x19, 0x0},
430 {12000000, 11025, 1088, 0x19, 0x1},
431
432 /* 16k */
433 {12288000, 16000, 768, 0xa, 0x0},
434 {18432000, 16000, 1152, 0xb, 0x0},
435 {12000000, 16000, 750, 0xa, 0x1},
436
437 /* 22.05k */
438 {11289600, 22050, 512, 0x1a, 0x0},
439 {16934400, 22050, 768, 0x1b, 0x0},
440 {12000000, 22050, 544, 0x1b, 0x1},
441
442 /* 32k */
443 {12288000, 32000, 384, 0xc, 0x0},
444 {18432000, 32000, 576, 0xd, 0x0},
445 {12000000, 32000, 375, 0xa, 0x1},
446
447 /* 44.1k */
448 {11289600, 44100, 256, 0x10, 0x0},
449 {16934400, 44100, 384, 0x11, 0x0},
450 {12000000, 44100, 272, 0x11, 0x1},
451
452 /* 48k */
453 {12288000, 48000, 256, 0x0, 0x0},
454 {18432000, 48000, 384, 0x1, 0x0},
455 {12000000, 48000, 250, 0x0, 0x1},
456
457 /* 88.2k */
458 {11289600, 88200, 128, 0x1e, 0x0},
459 {16934400, 88200, 192, 0x1f, 0x0},
460 {12000000, 88200, 136, 0x1f, 0x1},
461
462 /* 96k */
463 {12288000, 96000, 128, 0xe, 0x0},
464 {18432000, 96000, 192, 0xf, 0x0},
465 {12000000, 96000, 125, 0xe, 0x1},
466};
467
468static inline int get_coeff(int mclk, int rate)
469{
470 int i;
471
472 for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
473 if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
474 return i;
475 }
Liam Girdwooda71a4682006-10-19 20:35:56 +0200476
477 printk(KERN_ERR "wm8750: could not get coeff for mclk %d @ rate %d\n",
478 mclk, rate);
Richard Purdieabadfc92006-10-06 18:36:39 +0200479 return -EINVAL;
480}
481
Liam Girdwoode550e172008-07-07 16:07:52 +0100482static int wm8750_set_dai_sysclk(struct snd_soc_dai *codec_dai,
Liam Girdwood4422b602007-02-02 17:15:33 +0100483 int clk_id, unsigned int freq, int dir)
Richard Purdieabadfc92006-10-06 18:36:39 +0200484{
Liam Girdwood4422b602007-02-02 17:15:33 +0100485 struct snd_soc_codec *codec = codec_dai->codec;
Mark Brownb2c812e2010-04-14 15:35:19 +0900486 struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
Liam Girdwood4422b602007-02-02 17:15:33 +0100487
488 switch (freq) {
489 case 11289600:
490 case 12000000:
491 case 12288000:
492 case 16934400:
493 case 18432000:
494 wm8750->sysclk = freq;
495 return 0;
496 }
497 return -EINVAL;
Richard Purdieabadfc92006-10-06 18:36:39 +0200498}
499
Liam Girdwoode550e172008-07-07 16:07:52 +0100500static int wm8750_set_dai_fmt(struct snd_soc_dai *codec_dai,
Liam Girdwood4422b602007-02-02 17:15:33 +0100501 unsigned int fmt)
Richard Purdieabadfc92006-10-06 18:36:39 +0200502{
Liam Girdwood4422b602007-02-02 17:15:33 +0100503 struct snd_soc_codec *codec = codec_dai->codec;
504 u16 iface = 0;
Richard Purdieabadfc92006-10-06 18:36:39 +0200505
506 /* set master/slave audio interface */
Liam Girdwood4422b602007-02-02 17:15:33 +0100507 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
Richard Purdieabadfc92006-10-06 18:36:39 +0200508 case SND_SOC_DAIFMT_CBM_CFM:
509 iface = 0x0040;
510 break;
511 case SND_SOC_DAIFMT_CBS_CFS:
512 break;
Liam Girdwood4422b602007-02-02 17:15:33 +0100513 default:
514 return -EINVAL;
Richard Purdieabadfc92006-10-06 18:36:39 +0200515 }
516
517 /* interface format */
Liam Girdwood4422b602007-02-02 17:15:33 +0100518 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
Richard Purdieabadfc92006-10-06 18:36:39 +0200519 case SND_SOC_DAIFMT_I2S:
520 iface |= 0x0002;
521 break;
522 case SND_SOC_DAIFMT_RIGHT_J:
523 break;
524 case SND_SOC_DAIFMT_LEFT_J:
525 iface |= 0x0001;
526 break;
527 case SND_SOC_DAIFMT_DSP_A:
528 iface |= 0x0003;
529 break;
530 case SND_SOC_DAIFMT_DSP_B:
531 iface |= 0x0013;
532 break;
Liam Girdwood4422b602007-02-02 17:15:33 +0100533 default:
534 return -EINVAL;
Richard Purdieabadfc92006-10-06 18:36:39 +0200535 }
536
537 /* clock inversion */
Liam Girdwood4422b602007-02-02 17:15:33 +0100538 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
Richard Purdieabadfc92006-10-06 18:36:39 +0200539 case SND_SOC_DAIFMT_NB_NF:
540 break;
541 case SND_SOC_DAIFMT_IB_IF:
542 iface |= 0x0090;
543 break;
544 case SND_SOC_DAIFMT_IB_NF:
545 iface |= 0x0080;
546 break;
547 case SND_SOC_DAIFMT_NB_IF:
548 iface |= 0x0010;
549 break;
Liam Girdwood4422b602007-02-02 17:15:33 +0100550 default:
551 return -EINVAL;
Richard Purdieabadfc92006-10-06 18:36:39 +0200552 }
553
Mark Brown17a52fd2009-07-05 17:24:50 +0100554 snd_soc_write(codec, WM8750_IFACE, iface);
Liam Girdwood4422b602007-02-02 17:15:33 +0100555 return 0;
556}
557
558static int wm8750_pcm_hw_params(struct snd_pcm_substream *substream,
Mark Browndee89c42008-11-18 22:11:38 +0000559 struct snd_pcm_hw_params *params,
560 struct snd_soc_dai *dai)
Liam Girdwood4422b602007-02-02 17:15:33 +0100561{
562 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000563 struct snd_soc_codec *codec = rtd->codec;
Mark Brownb2c812e2010-04-14 15:35:19 +0900564 struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
Mark Brown17a52fd2009-07-05 17:24:50 +0100565 u16 iface = snd_soc_read(codec, WM8750_IFACE) & 0x1f3;
566 u16 srate = snd_soc_read(codec, WM8750_SRATE) & 0x1c0;
Liam Girdwood4422b602007-02-02 17:15:33 +0100567 int coeff = get_coeff(wm8750->sysclk, params_rate(params));
568
569 /* bit size */
570 switch (params_format(params)) {
571 case SNDRV_PCM_FORMAT_S16_LE:
Richard Purdieabadfc92006-10-06 18:36:39 +0200572 break;
Liam Girdwood4422b602007-02-02 17:15:33 +0100573 case SNDRV_PCM_FORMAT_S20_3LE:
574 iface |= 0x0004;
Richard Purdieabadfc92006-10-06 18:36:39 +0200575 break;
Liam Girdwood4422b602007-02-02 17:15:33 +0100576 case SNDRV_PCM_FORMAT_S24_LE:
577 iface |= 0x0008;
Richard Purdieabadfc92006-10-06 18:36:39 +0200578 break;
Liam Girdwood4422b602007-02-02 17:15:33 +0100579 case SNDRV_PCM_FORMAT_S32_LE:
580 iface |= 0x000c;
Richard Purdieabadfc92006-10-06 18:36:39 +0200581 break;
582 }
583
584 /* set iface & srate */
Mark Brown17a52fd2009-07-05 17:24:50 +0100585 snd_soc_write(codec, WM8750_IFACE, iface);
Liam Girdwood4422b602007-02-02 17:15:33 +0100586 if (coeff >= 0)
Mark Brown17a52fd2009-07-05 17:24:50 +0100587 snd_soc_write(codec, WM8750_SRATE, srate |
Liam Girdwood4422b602007-02-02 17:15:33 +0100588 (coeff_div[coeff].sr << 1) | coeff_div[coeff].usb);
Richard Purdieabadfc92006-10-06 18:36:39 +0200589
590 return 0;
591}
592
Liam Girdwoode550e172008-07-07 16:07:52 +0100593static int wm8750_mute(struct snd_soc_dai *dai, int mute)
Richard Purdieabadfc92006-10-06 18:36:39 +0200594{
Liam Girdwood4422b602007-02-02 17:15:33 +0100595 struct snd_soc_codec *codec = dai->codec;
Mark Brown17a52fd2009-07-05 17:24:50 +0100596 u16 mute_reg = snd_soc_read(codec, WM8750_ADCDAC) & 0xfff7;
Liam Girdwood4422b602007-02-02 17:15:33 +0100597
Richard Purdieabadfc92006-10-06 18:36:39 +0200598 if (mute)
Mark Brown17a52fd2009-07-05 17:24:50 +0100599 snd_soc_write(codec, WM8750_ADCDAC, mute_reg | 0x8);
Richard Purdieabadfc92006-10-06 18:36:39 +0200600 else
Mark Brown17a52fd2009-07-05 17:24:50 +0100601 snd_soc_write(codec, WM8750_ADCDAC, mute_reg);
Richard Purdieabadfc92006-10-06 18:36:39 +0200602 return 0;
603}
604
Mark Brown0be98982008-05-19 12:31:28 +0200605static int wm8750_set_bias_level(struct snd_soc_codec *codec,
606 enum snd_soc_bias_level level)
Richard Purdieabadfc92006-10-06 18:36:39 +0200607{
Mark Brown17a52fd2009-07-05 17:24:50 +0100608 u16 pwr_reg = snd_soc_read(codec, WM8750_PWR1) & 0xfe3e;
Richard Purdieabadfc92006-10-06 18:36:39 +0200609
Mark Brown0be98982008-05-19 12:31:28 +0200610 switch (level) {
611 case SND_SOC_BIAS_ON:
Richard Purdieabadfc92006-10-06 18:36:39 +0200612 /* set vmid to 50k and unmute dac */
Mark Brown17a52fd2009-07-05 17:24:50 +0100613 snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x00c0);
Richard Purdieabadfc92006-10-06 18:36:39 +0200614 break;
Mark Brown0be98982008-05-19 12:31:28 +0200615 case SND_SOC_BIAS_PREPARE:
Richard Purdieabadfc92006-10-06 18:36:39 +0200616 break;
Mark Brown0be98982008-05-19 12:31:28 +0200617 case SND_SOC_BIAS_STANDBY:
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200618 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
Axel Lin4d4adfc2011-10-07 21:40:44 +0800619 snd_soc_cache_sync(codec);
620
Mark Browndd767692010-03-17 11:51:33 +0000621 /* Set VMID to 5k */
622 snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
623
624 /* ...and ramp */
625 msleep(1000);
626 }
627
Richard Purdieabadfc92006-10-06 18:36:39 +0200628 /* mute dac and set vmid to 500k, enable VREF */
Mark Brown17a52fd2009-07-05 17:24:50 +0100629 snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x0141);
Richard Purdieabadfc92006-10-06 18:36:39 +0200630 break;
Mark Brown0be98982008-05-19 12:31:28 +0200631 case SND_SOC_BIAS_OFF:
Mark Brown17a52fd2009-07-05 17:24:50 +0100632 snd_soc_write(codec, WM8750_PWR1, 0x0001);
Richard Purdieabadfc92006-10-06 18:36:39 +0200633 break;
634 }
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200635 codec->dapm.bias_level = level;
Richard Purdieabadfc92006-10-06 18:36:39 +0200636 return 0;
637}
638
Liam Girdwood4422b602007-02-02 17:15:33 +0100639#define WM8750_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
Mark Brown42f30302008-04-23 15:17:12 +0200640 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
641 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
Liam Girdwood4422b602007-02-02 17:15:33 +0100642
643#define WM8750_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
644 SNDRV_PCM_FMTBIT_S24_LE)
645
Eric Miao6335d052009-03-03 09:41:00 +0800646static struct snd_soc_dai_ops wm8750_dai_ops = {
647 .hw_params = wm8750_pcm_hw_params,
648 .digital_mute = wm8750_mute,
649 .set_fmt = wm8750_set_dai_fmt,
650 .set_sysclk = wm8750_set_dai_sysclk,
651};
652
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000653static struct snd_soc_dai_driver wm8750_dai = {
654 .name = "wm8750-hifi",
Richard Purdieabadfc92006-10-06 18:36:39 +0200655 .playback = {
656 .stream_name = "Playback",
657 .channels_min = 1,
658 .channels_max = 2,
Liam Girdwood4422b602007-02-02 17:15:33 +0100659 .rates = WM8750_RATES,
660 .formats = WM8750_FORMATS,},
Richard Purdieabadfc92006-10-06 18:36:39 +0200661 .capture = {
662 .stream_name = "Capture",
663 .channels_min = 1,
664 .channels_max = 2,
Liam Girdwood4422b602007-02-02 17:15:33 +0100665 .rates = WM8750_RATES,
666 .formats = WM8750_FORMATS,},
Eric Miao6335d052009-03-03 09:41:00 +0800667 .ops = &wm8750_dai_ops,
Richard Purdieabadfc92006-10-06 18:36:39 +0200668};
Richard Purdieabadfc92006-10-06 18:36:39 +0200669
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000670static int wm8750_suspend(struct snd_soc_codec *codec, pm_message_t state)
Richard Purdieabadfc92006-10-06 18:36:39 +0200671{
Mark Brown0be98982008-05-19 12:31:28 +0200672 wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
Richard Purdieabadfc92006-10-06 18:36:39 +0200673 return 0;
674}
675
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000676static int wm8750_resume(struct snd_soc_codec *codec)
Richard Purdieabadfc92006-10-06 18:36:39 +0200677{
Mark Brown0be98982008-05-19 12:31:28 +0200678 wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
Richard Purdieabadfc92006-10-06 18:36:39 +0200679 return 0;
680}
681
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000682static int wm8750_probe(struct snd_soc_codec *codec)
Marek Vasut6ca0c222010-04-08 20:48:51 +0200683{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000684 struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
Axel Linf5b00d02011-10-04 11:17:24 +0800685 int ret;
Marek Vasut6ca0c222010-04-08 20:48:51 +0200686
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000687 ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8750->control_type);
Mark Brown17a52fd2009-07-05 17:24:50 +0100688 if (ret < 0) {
689 printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000690 return ret;
Mark Brown17a52fd2009-07-05 17:24:50 +0100691 }
692
693 ret = wm8750_reset(codec);
694 if (ret < 0) {
695 printk(KERN_ERR "wm8750: failed to reset: %d\n", ret);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000696 return ret;
Mark Brown17a52fd2009-07-05 17:24:50 +0100697 }
Richard Purdieabadfc92006-10-06 18:36:39 +0200698
Richard Purdieabadfc92006-10-06 18:36:39 +0200699 /* charge output caps */
Mark Browndd767692010-03-17 11:51:33 +0000700 wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
Richard Purdieabadfc92006-10-06 18:36:39 +0200701
702 /* set the update bits */
Axel Linf5b00d02011-10-04 11:17:24 +0800703 snd_soc_update_bits(codec, WM8750_LDAC, 0x0100, 0x0100);
704 snd_soc_update_bits(codec, WM8750_RDAC, 0x0100, 0x0100);
705 snd_soc_update_bits(codec, WM8750_LOUT1V, 0x0100, 0x0100);
706 snd_soc_update_bits(codec, WM8750_ROUT1V, 0x0100, 0x0100);
707 snd_soc_update_bits(codec, WM8750_LOUT2V, 0x0100, 0x0100);
708 snd_soc_update_bits(codec, WM8750_ROUT2V, 0x0100, 0x0100);
709 snd_soc_update_bits(codec, WM8750_LINVOL, 0x0100, 0x0100);
710 snd_soc_update_bits(codec, WM8750_RINVOL, 0x0100, 0x0100);
Richard Purdieabadfc92006-10-06 18:36:39 +0200711
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000712 snd_soc_add_controls(codec, wm8750_snd_controls,
713 ARRAY_SIZE(wm8750_snd_controls));
714 wm8750_add_widgets(codec);
Richard Purdieabadfc92006-10-06 18:36:39 +0200715 return ret;
716}
717
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000718static int wm8750_remove(struct snd_soc_codec *codec)
Marek Vasut6ca0c222010-04-08 20:48:51 +0200719{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000720 wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
721 return 0;
Marek Vasut6ca0c222010-04-08 20:48:51 +0200722}
Richard Purdieabadfc92006-10-06 18:36:39 +0200723
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000724static struct snd_soc_codec_driver soc_codec_dev_wm8750 = {
725 .probe = wm8750_probe,
726 .remove = wm8750_remove,
727 .suspend = wm8750_suspend,
728 .resume = wm8750_resume,
729 .set_bias_level = wm8750_set_bias_level,
Dimitris Papastamose5eec342010-09-10 18:14:56 +0100730 .reg_cache_size = ARRAY_SIZE(wm8750_reg),
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000731 .reg_word_size = sizeof(u16),
732 .reg_cache_default = wm8750_reg,
733};
Richard Purdieabadfc92006-10-06 18:36:39 +0200734
Mark Brownce31a0f2011-08-03 17:34:59 +0900735static const struct of_device_id wm8750_of_match[] = {
736 { .compatible = "wlf,wm8750", },
737 { .compatible = "wlf,wm8987", },
738 { }
739};
740MODULE_DEVICE_TABLE(of, wm8750_of_match);
741
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000742#if defined(CONFIG_SPI_MASTER)
743static int __devinit wm8750_spi_probe(struct spi_device *spi)
Richard Purdieabadfc92006-10-06 18:36:39 +0200744{
Marek Vasut6ca0c222010-04-08 20:48:51 +0200745 struct wm8750_priv *wm8750;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000746 int ret;
Richard Purdieabadfc92006-10-06 18:36:39 +0200747
Marek Vasut6ca0c222010-04-08 20:48:51 +0200748 wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
749 if (wm8750 == NULL)
750 return -ENOMEM;
751
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000752 wm8750->control_type = SND_SOC_SPI;
753 spi_set_drvdata(spi, wm8750);
Richard Purdieabadfc92006-10-06 18:36:39 +0200754
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000755 ret = snd_soc_register_codec(&spi->dev,
756 &soc_codec_dev_wm8750, &wm8750_dai, 1);
757 if (ret < 0)
758 kfree(wm8750);
759 return ret;
Richard Purdieabadfc92006-10-06 18:36:39 +0200760}
761
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000762static int __devexit wm8750_spi_remove(struct spi_device *spi)
Richard Purdieabadfc92006-10-06 18:36:39 +0200763{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000764 snd_soc_unregister_codec(&spi->dev);
765 kfree(spi_get_drvdata(spi));
766 return 0;
767}
768
Mark Brown40045a82011-08-03 18:32:09 +0900769static const struct spi_device_id wm8750_spi_ids[] = {
770 { "wm8750", 0 },
771 { "wm8987", 0 },
Takashi Iwaif6b864a2011-08-12 18:22:10 +0200772 { },
Mark Brown40045a82011-08-03 18:32:09 +0900773};
Mark Brown511d8cf2011-08-10 09:41:26 +0900774MODULE_DEVICE_TABLE(spi, wm8750_spi_ids);
Mark Brown40045a82011-08-03 18:32:09 +0900775
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000776static struct spi_driver wm8750_spi_driver = {
777 .driver = {
Mark Browndc5de622011-08-03 18:22:28 +0900778 .name = "wm8750",
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000779 .owner = THIS_MODULE,
Mark Brownce31a0f2011-08-03 17:34:59 +0900780 .of_match_table = wm8750_of_match,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000781 },
Mark Brown40045a82011-08-03 18:32:09 +0900782 .id_table = wm8750_spi_ids,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000783 .probe = wm8750_spi_probe,
784 .remove = __devexit_p(wm8750_spi_remove),
785};
786#endif /* CONFIG_SPI_MASTER */
787
788#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
789static __devinit int wm8750_i2c_probe(struct i2c_client *i2c,
790 const struct i2c_device_id *id)
791{
792 struct wm8750_priv *wm8750;
793 int ret;
794
795 wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
796 if (wm8750 == NULL)
797 return -ENOMEM;
798
799 i2c_set_clientdata(i2c, wm8750);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000800 wm8750->control_type = SND_SOC_I2C;
801
802 ret = snd_soc_register_codec(&i2c->dev,
803 &soc_codec_dev_wm8750, &wm8750_dai, 1);
804 if (ret < 0)
805 kfree(wm8750);
806 return ret;
807}
808
809static __devexit int wm8750_i2c_remove(struct i2c_client *client)
810{
811 snd_soc_unregister_codec(&client->dev);
812 kfree(i2c_get_clientdata(client));
Richard Purdieabadfc92006-10-06 18:36:39 +0200813 return 0;
814}
815
Jean Delvareee1d0092008-09-01 18:47:00 +0100816static const struct i2c_device_id wm8750_i2c_id[] = {
817 { "wm8750", 0 },
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000818 { "wm8987", 0 },
Jean Delvareee1d0092008-09-01 18:47:00 +0100819 { }
820};
821MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
Richard Purdieabadfc92006-10-06 18:36:39 +0200822
Richard Purdieabadfc92006-10-06 18:36:39 +0200823static struct i2c_driver wm8750_i2c_driver = {
824 .driver = {
Mark Browndc5de622011-08-03 18:22:28 +0900825 .name = "wm8750",
Richard Purdieabadfc92006-10-06 18:36:39 +0200826 .owner = THIS_MODULE,
Mark Brownce31a0f2011-08-03 17:34:59 +0900827 .of_match_table = wm8750_of_match,
Richard Purdieabadfc92006-10-06 18:36:39 +0200828 },
Jean Delvareee1d0092008-09-01 18:47:00 +0100829 .probe = wm8750_i2c_probe,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000830 .remove = __devexit_p(wm8750_i2c_remove),
Jean Delvareee1d0092008-09-01 18:47:00 +0100831 .id_table = wm8750_i2c_id,
Richard Purdieabadfc92006-10-06 18:36:39 +0200832};
Richard Purdieabadfc92006-10-06 18:36:39 +0200833#endif
834
Takashi Iwaic9b3a402008-12-10 07:47:22 +0100835static int __init wm8750_modinit(void)
Mark Brown64089b82008-12-08 19:17:58 +0000836{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000837 int ret = 0;
Marek Vasut6ca0c222010-04-08 20:48:51 +0200838#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
839 ret = i2c_add_driver(&wm8750_i2c_driver);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000840 if (ret != 0) {
841 printk(KERN_ERR "Failed to register wm8750 I2C driver: %d\n",
842 ret);
843 }
Marek Vasut6ca0c222010-04-08 20:48:51 +0200844#endif
845#if defined(CONFIG_SPI_MASTER)
846 ret = spi_register_driver(&wm8750_spi_driver);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000847 if (ret != 0) {
848 printk(KERN_ERR "Failed to register wm8750 SPI driver: %d\n",
849 ret);
850 }
Marek Vasut6ca0c222010-04-08 20:48:51 +0200851#endif
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000852 return ret;
Mark Brown64089b82008-12-08 19:17:58 +0000853}
854module_init(wm8750_modinit);
855
856static void __exit wm8750_exit(void)
857{
Marek Vasut6ca0c222010-04-08 20:48:51 +0200858#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
859 i2c_del_driver(&wm8750_i2c_driver);
860#endif
861#if defined(CONFIG_SPI_MASTER)
862 spi_unregister_driver(&wm8750_spi_driver);
863#endif
Mark Brown64089b82008-12-08 19:17:58 +0000864}
865module_exit(wm8750_exit);
866
Richard Purdieabadfc92006-10-06 18:36:39 +0200867MODULE_DESCRIPTION("ASoC WM8750 driver");
868MODULE_AUTHOR("Liam Girdwood");
869MODULE_LICENSE("GPL");