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ASoC: wm9705: Convert to regmap
[linux-2.6-block.git] / sound / soc / codecs / wm9705.c
CommitLineData
2aceefef
IM		 1/*
2 * wm9705.c -- ALSA Soc WM9705 codec support
3 *
4 * Copyright 2008 Ian Molton <spyro@f2s.com>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; Version 2 of the License only.
9 *
10 */
11
12#include <linux/init.h>
5a0e3ad6 13#include <linux/slab.h>
2aceefef
IM		 14#include <linux/module.h>
15#include <linux/kernel.h>
16#include <linux/device.h>
206964e8 17#include <linux/regmap.h>
2aceefef
IM		 18#include <sound/core.h>
19#include <sound/pcm.h>
20#include <sound/ac97_codec.h>
21#include <sound/initval.h>
22#include <sound/soc.h>
2aceefef 23
01e097d6
MB		 24#include "wm9705.h"
25
6e0b73a0
LPC		 26#define WM9705_VENDOR_ID 0x574d4c05
27#define WM9705_VENDOR_ID_MASK 0xffffffff
28
206964e8
LPC		 29static const struct reg_default wm9705_reg_defaults[] = {
30 { 0x02, 0x8000 },
31 { 0x04, 0x8000 },
32 { 0x06, 0x8000 },
33 { 0x0a, 0x8000 },
34 { 0x0c, 0x8008 },
35 { 0x0e, 0x8008 },
36 { 0x10, 0x8808 },
37 { 0x12, 0x8808 },
38 { 0x14, 0x8808 },
39 { 0x16, 0x8808 },
40 { 0x18, 0x8808 },
41 { 0x1a, 0x0000 },
42 { 0x1c, 0x8000 },
43 { 0x20, 0x0000 },
44 { 0x22, 0x0000 },
45 { 0x26, 0x000f },
46 { 0x28, 0x0605 },
47 { 0x2a, 0x0000 },
48 { 0x2c, 0xbb80 },
49 { 0x32, 0xbb80 },
50 { 0x34, 0x2000 },
51 { 0x5a, 0x0000 },
52 { 0x5c, 0x0000 },
53 { 0x72, 0x0808 },
54 { 0x74, 0x0000 },
55 { 0x76, 0x0006 },
56 { 0x78, 0x0000 },
57 { 0x7a, 0x0000 },
58};
59
60static const struct regmap_config wm9705_regmap_config = {
61 .reg_bits = 16,
62 .reg_stride = 2,
63 .val_bits = 16,
64 .max_register = 0x7e,
65 .cache_type = REGCACHE_RBTREE,
66
67 .volatile_reg = regmap_ac97_default_volatile,
68
69 .reg_defaults = wm9705_reg_defaults,
70 .num_reg_defaults = ARRAY_SIZE(wm9705_reg_defaults),
2aceefef
IM		 71};
72
73static const struct snd_kcontrol_new wm9705_snd_ac97_controls[] = {
74 SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
75 SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
76 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
77 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
78 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
79 SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
80 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
81 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
82 SOC_SINGLE("PCBeep Playback Volume", AC97_PC_BEEP, 1, 15, 1),
83 SOC_SINGLE("Phone Playback Volume", AC97_PHONE, 0, 31, 1),
84 SOC_DOUBLE("Line Playback Volume", AC97_LINE, 8, 0, 31, 1),
85 SOC_DOUBLE("CD Playback Volume", AC97_CD, 8, 0, 31, 1),
86 SOC_SINGLE("Mic Playback Volume", AC97_MIC, 0, 31, 1),
87 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 6, 1, 0),
927b0aea
IM		 88 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0),
89 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
2aceefef
IM		 90};
91
92static const char *wm9705_mic[] = {"Mic 1", "Mic 2"};
93static const char *wm9705_rec_sel[] = {"Mic", "CD", "NC", "NC",
94 "Line", "Stereo Mix", "Mono Mix", "Phone"};
95
09981dcb
TI		 96static SOC_ENUM_SINGLE_DECL(wm9705_enum_mic,
97 AC97_GENERAL_PURPOSE, 8, wm9705_mic);
98static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_l,
99 AC97_REC_SEL, 8, wm9705_rec_sel);
100static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_r,
101 AC97_REC_SEL, 0, wm9705_rec_sel);
2aceefef
IM		 102
103/* Headphone Mixer */
104static const struct snd_kcontrol_new wm9705_hp_mixer_controls[] = {
105 SOC_DAPM_SINGLE("PCBeep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
106 SOC_DAPM_SINGLE("CD Playback Switch", AC97_CD, 15, 1, 1),
107 SOC_DAPM_SINGLE("Mic Playback Switch", AC97_MIC, 15, 1, 1),
108 SOC_DAPM_SINGLE("Phone Playback Switch", AC97_PHONE, 15, 1, 1),
109 SOC_DAPM_SINGLE("Line Playback Switch", AC97_LINE, 15, 1, 1),
110};
111
112/* Mic source */
113static const struct snd_kcontrol_new wm9705_mic_src_controls =
114 SOC_DAPM_ENUM("Route", wm9705_enum_mic);
115
116/* Capture source */
117static const struct snd_kcontrol_new wm9705_capture_selectl_controls =
118 SOC_DAPM_ENUM("Route", wm9705_enum_rec_l);
119static const struct snd_kcontrol_new wm9705_capture_selectr_controls =
120 SOC_DAPM_ENUM("Route", wm9705_enum_rec_r);
121
122/* DAPM widgets */
123static const struct snd_soc_dapm_widget wm9705_dapm_widgets[] = {
124 SND_SOC_DAPM_MUX("Mic Source", SND_SOC_NOPM, 0, 0,
125 &wm9705_mic_src_controls),
126 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
127 &wm9705_capture_selectl_controls),
128 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
129 &wm9705_capture_selectr_controls),
130 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback",
131 SND_SOC_NOPM, 0, 0),
132 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback",
133 SND_SOC_NOPM, 0, 0),
134 SND_SOC_DAPM_MIXER_NAMED_CTL("HP Mixer", SND_SOC_NOPM, 0, 0,
135 &wm9705_hp_mixer_controls[0],
136 ARRAY_SIZE(wm9705_hp_mixer_controls)),
137 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
138 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
139 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
140 SND_SOC_DAPM_PGA("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
141 SND_SOC_DAPM_PGA("Speaker PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
142 SND_SOC_DAPM_PGA("Line PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
143 SND_SOC_DAPM_PGA("Line out PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
144 SND_SOC_DAPM_PGA("Mono PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
145 SND_SOC_DAPM_PGA("Phone PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
146 SND_SOC_DAPM_PGA("Mic PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
147 SND_SOC_DAPM_PGA("PCBEEP PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
148 SND_SOC_DAPM_PGA("CD PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
149 SND_SOC_DAPM_PGA("ADC PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
150 SND_SOC_DAPM_OUTPUT("HPOUTL"),
151 SND_SOC_DAPM_OUTPUT("HPOUTR"),
152 SND_SOC_DAPM_OUTPUT("LOUT"),
153 SND_SOC_DAPM_OUTPUT("ROUT"),
154 SND_SOC_DAPM_OUTPUT("MONOOUT"),
155 SND_SOC_DAPM_INPUT("PHONE"),
156 SND_SOC_DAPM_INPUT("LINEINL"),
157 SND_SOC_DAPM_INPUT("LINEINR"),
158 SND_SOC_DAPM_INPUT("CDINL"),
159 SND_SOC_DAPM_INPUT("CDINR"),
160 SND_SOC_DAPM_INPUT("PCBEEP"),
161 SND_SOC_DAPM_INPUT("MIC1"),
162 SND_SOC_DAPM_INPUT("MIC2"),
163};
164
165/* Audio map
166 * WM9705 has no switches to disable the route from the inputs to the HP mixer
167 * so in order to prevent active inputs from forcing the audio outputs to be
168 * constantly enabled, we use the mutes on those inputs to simulate such
169 * controls.
170 */
97a58d6e 171static const struct snd_soc_dapm_route wm9705_audio_map[] = {
2aceefef
IM		 172 /* HP mixer */
173 {"HP Mixer", "PCBeep Playback Switch", "PCBEEP PGA"},
174 {"HP Mixer", "CD Playback Switch", "CD PGA"},
175 {"HP Mixer", "Mic Playback Switch", "Mic PGA"},
176 {"HP Mixer", "Phone Playback Switch", "Phone PGA"},
177 {"HP Mixer", "Line Playback Switch", "Line PGA"},
178 {"HP Mixer", NULL, "Left DAC"},
179 {"HP Mixer", NULL, "Right DAC"},
180
181 /* mono mixer */
182 {"Mono Mixer", NULL, "HP Mixer"},
183
184 /* outputs */
185 {"Headphone PGA", NULL, "HP Mixer"},
186 {"HPOUTL", NULL, "Headphone PGA"},
187 {"HPOUTR", NULL, "Headphone PGA"},
188 {"Line out PGA", NULL, "HP Mixer"},
189 {"LOUT", NULL, "Line out PGA"},
190 {"ROUT", NULL, "Line out PGA"},
191 {"Mono PGA", NULL, "Mono Mixer"},
192 {"MONOOUT", NULL, "Mono PGA"},
193
194 /* inputs */
195 {"CD PGA", NULL, "CDINL"},
196 {"CD PGA", NULL, "CDINR"},
197 {"Line PGA", NULL, "LINEINL"},
198 {"Line PGA", NULL, "LINEINR"},
199 {"Phone PGA", NULL, "PHONE"},
200 {"Mic Source", "Mic 1", "MIC1"},
201 {"Mic Source", "Mic 2", "MIC2"},
202 {"Mic PGA", NULL, "Mic Source"},
203 {"PCBEEP PGA", NULL, "PCBEEP"},
204
205 /* Left capture selector */
206 {"Left Capture Source", "Mic", "Mic Source"},
207 {"Left Capture Source", "CD", "CDINL"},
208 {"Left Capture Source", "Line", "LINEINL"},
209 {"Left Capture Source", "Stereo Mix", "HP Mixer"},
210 {"Left Capture Source", "Mono Mix", "HP Mixer"},
211 {"Left Capture Source", "Phone", "PHONE"},
212
213 /* Right capture source */
214 {"Right Capture Source", "Mic", "Mic Source"},
215 {"Right Capture Source", "CD", "CDINR"},
216 {"Right Capture Source", "Line", "LINEINR"},
217 {"Right Capture Source", "Stereo Mix", "HP Mixer"},
218 {"Right Capture Source", "Mono Mix", "HP Mixer"},
219 {"Right Capture Source", "Phone", "PHONE"},
220
221 {"ADC PGA", NULL, "Left Capture Source"},
222 {"ADC PGA", NULL, "Right Capture Source"},
223
224 /* ADC's */
225 {"Left ADC", NULL, "ADC PGA"},
226 {"Right ADC", NULL, "ADC PGA"},
227};
228
2aceefef
IM		 229static unsigned int ac97_read(struct snd_soc_codec *codec, unsigned int reg)
230{
206964e8 231 return snd_soc_read(codec, reg);
2aceefef
IM		 232}
233
234static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
235 unsigned int val)
236{
206964e8 237 return snd_soc_write(codec, reg, val);
2aceefef
IM		 238}
239
240static int ac97_prepare(struct snd_pcm_substream *substream,
241 struct snd_soc_dai *dai)
242{
e6968a17 243 struct snd_soc_codec *codec = dai->codec;
2aceefef
IM		 244 int reg;
245 u16 vra;
246
247 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
248 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
249
250 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
251 reg = AC97_PCM_FRONT_DAC_RATE;
252 else
253 reg = AC97_PCM_LR_ADC_RATE;
254
019ec505 255 return ac97_write(codec, reg, substream->runtime->rate);
2aceefef
IM		 256}
257
258#define WM9705_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | \
259 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
260 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
261 SNDRV_PCM_RATE_48000)
262
85e7652d 263static const struct snd_soc_dai_ops wm9705_dai_ops = {
6335d055
EM		 264 .prepare = ac97_prepare,
265};
266
f0fba2ad 267static struct snd_soc_dai_driver wm9705_dai[] = {
2aceefef 268 {
f0fba2ad 269 .name = "wm9705-hifi",
2aceefef
IM		 270 .playback = {
271 .stream_name = "HiFi Playback",
272 .channels_min = 1,
273 .channels_max = 2,
274 .rates = WM9705_AC97_RATES,
33f503c9 275 .formats = SND_SOC_STD_AC97_FMTS,
2aceefef
IM		 276 },
277 .capture = {
278 .stream_name = "HiFi Capture",
279 .channels_min = 1,
280 .channels_max = 2,
281 .rates = WM9705_AC97_RATES,
33f503c9 282 .formats = SND_SOC_STD_AC97_FMTS,
2aceefef 283 },
6335d055 284 .ops = &wm9705_dai_ops,
2aceefef
IM		 285 },
286 {
f0fba2ad 287 .name = "wm9705-aux",
2aceefef
IM		 288 .playback = {
289 .stream_name = "Aux Playback",
290 .channels_min = 1,
291 .channels_max = 1,
292 .rates = WM9705_AC97_RATES,
293 .formats = SNDRV_PCM_FMTBIT_S16_LE,
294 },
295 }
296};
2aceefef 297
0a11b168 298#ifdef CONFIG_PM
84b315ee 299static int wm9705_soc_suspend(struct snd_soc_codec *codec)
0a11b168 300{
206964e8
LPC		 301 regcache_cache_bypass(codec->component.regmap, true);
302 ac97_write(codec, AC97_POWERDOWN, 0xffff);
303 regcache_cache_bypass(codec->component.regmap, false);
0a11b168
MB		 304
305 return 0;
306}
307
f0fba2ad 308static int wm9705_soc_resume(struct snd_soc_codec *codec)
0a11b168 309{
358a8bb5 310 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
206964e8 311 int ret;
0a11b168 312
6e0b73a0
LPC		 313 ret = snd_ac97_reset(ac97, true, WM9705_VENDOR_ID,
314 WM9705_VENDOR_ID_MASK);
9cf766f6 315 if (ret < 0)
0a11b168 316 return ret;
0a11b168 317
206964e8 318 regcache_sync(codec->component.regmap);
0a11b168
MB		 319
320 return 0;
321}
322#else
323#define wm9705_soc_suspend NULL
324#define wm9705_soc_resume NULL
325#endif
326
f0fba2ad 327static int wm9705_soc_probe(struct snd_soc_codec *codec)
2aceefef 328{
358a8bb5 329 struct snd_ac97 *ac97;
206964e8
LPC		 330 struct regmap *regmap;
331 int ret;
2aceefef 332
6e0b73a0
LPC		 333 ac97 = snd_soc_new_ac97_codec(codec, WM9705_VENDOR_ID,
334 WM9705_VENDOR_ID_MASK);
358a8bb5 335 if (IS_ERR(ac97)) {
9cf766f6 336 dev_err(codec->dev, "Failed to register AC97 codec\n");
6e0b73a0 337 return PTR_ERR(ac97);
2aceefef
IM		 338 }
339
206964e8
LPC		 340 regmap = regmap_init_ac97(ac97, &wm9705_regmap_config);
341 if (IS_ERR(regmap)) {
342 ret = PTR_ERR(regmap);
343 goto err_free_ac97_codec;
344 }
345
f8d71be5 346 snd_soc_codec_set_drvdata(codec, ac97);
206964e8 347 snd_soc_codec_init_regmap(codec, regmap);
2aceefef 348
2aceefef 349 return 0;
206964e8
LPC		 350err_free_ac97_codec:
351 snd_soc_free_ac97_codec(ac97);
352 return ret;
2aceefef
IM		 353}
354
f0fba2ad 355static int wm9705_soc_remove(struct snd_soc_codec *codec)
2aceefef 356{
358a8bb5
LPC		 357 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
358
206964e8 359 snd_soc_codec_exit_regmap(codec);
358a8bb5 360 snd_soc_free_ac97_codec(ac97);
2aceefef
IM		 361 return 0;
362}
363
f802d6c0 364static const struct snd_soc_codec_driver soc_codec_dev_wm9705 = {
2aceefef
IM		 365 .probe = wm9705_soc_probe,
366 .remove = wm9705_soc_remove,
0a11b168
MB		 367 .suspend = wm9705_soc_suspend,
368 .resume = wm9705_soc_resume,
d7cabb08 369
2fa1f30a
KM		 370 .component_driver = {
371 .controls = wm9705_snd_ac97_controls,
372 .num_controls = ARRAY_SIZE(wm9705_snd_ac97_controls),
373 .dapm_widgets = wm9705_dapm_widgets,
374 .num_dapm_widgets = ARRAY_SIZE(wm9705_dapm_widgets),
375 .dapm_routes = wm9705_audio_map,
376 .num_dapm_routes = ARRAY_SIZE(wm9705_audio_map),
377 },
f0fba2ad
LG		 378};
379
7a79e94e 380static int wm9705_probe(struct platform_device *pdev)
f0fba2ad
LG		 381{
382 return snd_soc_register_codec(&pdev->dev,
383 &soc_codec_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai));
384}
385
7a79e94e 386static int wm9705_remove(struct platform_device *pdev)
f0fba2ad
LG		 387{
388 snd_soc_unregister_codec(&pdev->dev);
389 return 0;
390}
391
392static struct platform_driver wm9705_codec_driver = {
393 .driver = {
394 .name = "wm9705-codec",
f0fba2ad
LG		 395 },
396
397 .probe = wm9705_probe,
7a79e94e 398 .remove = wm9705_remove,
2aceefef 399};
f0fba2ad 400
5bbcc3c0 401module_platform_driver(wm9705_codec_driver);
2aceefef
IM		 402
403MODULE_DESCRIPTION("ASoC WM9705 driver");
404MODULE_AUTHOR("Ian Molton");
405MODULE_LICENSE("GPL v2");
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