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Merge remote-tracking branch 'vfio/next'
[deliverable/linux.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>
17#include <sound/core.h>
18#include <sound/pcm.h>
19#include <sound/ac97_codec.h>
20#include <sound/initval.h>
21#include <sound/soc.h>
2aceefef 22
01e097d6
MB		 23#include "wm9705.h"
24
6e0b73a0
LPC		 25#define WM9705_VENDOR_ID 0x574d4c05
26#define WM9705_VENDOR_ID_MASK 0xffffffff
27
2aceefef
IM		 28/*
29 * WM9705 register cache
30 */
31static const u16 wm9705_reg[] = {
32 0x6150, 0x8000, 0x8000, 0x8000, /* 0x0 */
33 0x0000, 0x8000, 0x8008, 0x8008, /* 0x8 */
34 0x8808, 0x8808, 0x8808, 0x8808, /* 0x10 */
35 0x8808, 0x0000, 0x8000, 0x0000, /* 0x18 */
36 0x0000, 0x0000, 0x0000, 0x000f, /* 0x20 */
37 0x0605, 0x0000, 0xbb80, 0x0000, /* 0x28 */
38 0x0000, 0xbb80, 0x0000, 0x0000, /* 0x30 */
39 0x0000, 0x2000, 0x0000, 0x0000, /* 0x38 */
40 0x0000, 0x0000, 0x0000, 0x0000, /* 0x40 */
41 0x0000, 0x0000, 0x0000, 0x0000, /* 0x48 */
42 0x0000, 0x0000, 0x0000, 0x0000, /* 0x50 */
43 0x0000, 0x0000, 0x0000, 0x0000, /* 0x58 */
44 0x0000, 0x0000, 0x0000, 0x0000, /* 0x60 */
45 0x0000, 0x0000, 0x0000, 0x0000, /* 0x68 */
46 0x0000, 0x0808, 0x0000, 0x0006, /* 0x70 */
47 0x0000, 0x0000, 0x574d, 0x4c05, /* 0x78 */
48};
49
50static const struct snd_kcontrol_new wm9705_snd_ac97_controls[] = {
51 SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
52 SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
53 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
54 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
55 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
56 SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
57 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
58 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
59 SOC_SINGLE("PCBeep Playback Volume", AC97_PC_BEEP, 1, 15, 1),
60 SOC_SINGLE("Phone Playback Volume", AC97_PHONE, 0, 31, 1),
61 SOC_DOUBLE("Line Playback Volume", AC97_LINE, 8, 0, 31, 1),
62 SOC_DOUBLE("CD Playback Volume", AC97_CD, 8, 0, 31, 1),
63 SOC_SINGLE("Mic Playback Volume", AC97_MIC, 0, 31, 1),
64 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 6, 1, 0),
927b0aea
IM		 65 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0),
66 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
2aceefef
IM		 67};
68
69static const char *wm9705_mic[] = {"Mic 1", "Mic 2"};
70static const char *wm9705_rec_sel[] = {"Mic", "CD", "NC", "NC",
71 "Line", "Stereo Mix", "Mono Mix", "Phone"};
72
09981dcb
TI		 73static SOC_ENUM_SINGLE_DECL(wm9705_enum_mic,
74 AC97_GENERAL_PURPOSE, 8, wm9705_mic);
75static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_l,
76 AC97_REC_SEL, 8, wm9705_rec_sel);
77static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_r,
78 AC97_REC_SEL, 0, wm9705_rec_sel);
2aceefef
IM		 79
80/* Headphone Mixer */
81static const struct snd_kcontrol_new wm9705_hp_mixer_controls[] = {
82 SOC_DAPM_SINGLE("PCBeep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
83 SOC_DAPM_SINGLE("CD Playback Switch", AC97_CD, 15, 1, 1),
84 SOC_DAPM_SINGLE("Mic Playback Switch", AC97_MIC, 15, 1, 1),
85 SOC_DAPM_SINGLE("Phone Playback Switch", AC97_PHONE, 15, 1, 1),
86 SOC_DAPM_SINGLE("Line Playback Switch", AC97_LINE, 15, 1, 1),
87};
88
89/* Mic source */
90static const struct snd_kcontrol_new wm9705_mic_src_controls =
91 SOC_DAPM_ENUM("Route", wm9705_enum_mic);
92
93/* Capture source */
94static const struct snd_kcontrol_new wm9705_capture_selectl_controls =
95 SOC_DAPM_ENUM("Route", wm9705_enum_rec_l);
96static const struct snd_kcontrol_new wm9705_capture_selectr_controls =
97 SOC_DAPM_ENUM("Route", wm9705_enum_rec_r);
98
99/* DAPM widgets */
100static const struct snd_soc_dapm_widget wm9705_dapm_widgets[] = {
101 SND_SOC_DAPM_MUX("Mic Source", SND_SOC_NOPM, 0, 0,
102 &wm9705_mic_src_controls),
103 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
104 &wm9705_capture_selectl_controls),
105 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
106 &wm9705_capture_selectr_controls),
107 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback",
108 SND_SOC_NOPM, 0, 0),
109 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback",
110 SND_SOC_NOPM, 0, 0),
111 SND_SOC_DAPM_MIXER_NAMED_CTL("HP Mixer", SND_SOC_NOPM, 0, 0,
112 &wm9705_hp_mixer_controls[0],
113 ARRAY_SIZE(wm9705_hp_mixer_controls)),
114 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
115 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
116 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
117 SND_SOC_DAPM_PGA("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
118 SND_SOC_DAPM_PGA("Speaker PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
119 SND_SOC_DAPM_PGA("Line PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
120 SND_SOC_DAPM_PGA("Line out PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
121 SND_SOC_DAPM_PGA("Mono PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
122 SND_SOC_DAPM_PGA("Phone PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
123 SND_SOC_DAPM_PGA("Mic PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
124 SND_SOC_DAPM_PGA("PCBEEP PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
125 SND_SOC_DAPM_PGA("CD PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
126 SND_SOC_DAPM_PGA("ADC PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
127 SND_SOC_DAPM_OUTPUT("HPOUTL"),
128 SND_SOC_DAPM_OUTPUT("HPOUTR"),
129 SND_SOC_DAPM_OUTPUT("LOUT"),
130 SND_SOC_DAPM_OUTPUT("ROUT"),
131 SND_SOC_DAPM_OUTPUT("MONOOUT"),
132 SND_SOC_DAPM_INPUT("PHONE"),
133 SND_SOC_DAPM_INPUT("LINEINL"),
134 SND_SOC_DAPM_INPUT("LINEINR"),
135 SND_SOC_DAPM_INPUT("CDINL"),
136 SND_SOC_DAPM_INPUT("CDINR"),
137 SND_SOC_DAPM_INPUT("PCBEEP"),
138 SND_SOC_DAPM_INPUT("MIC1"),
139 SND_SOC_DAPM_INPUT("MIC2"),
140};
141
142/* Audio map
143 * WM9705 has no switches to disable the route from the inputs to the HP mixer
144 * so in order to prevent active inputs from forcing the audio outputs to be
145 * constantly enabled, we use the mutes on those inputs to simulate such
146 * controls.
147 */
97a58d6e 148static const struct snd_soc_dapm_route wm9705_audio_map[] = {
2aceefef
IM		 149 /* HP mixer */
150 {"HP Mixer", "PCBeep Playback Switch", "PCBEEP PGA"},
151 {"HP Mixer", "CD Playback Switch", "CD PGA"},
152 {"HP Mixer", "Mic Playback Switch", "Mic PGA"},
153 {"HP Mixer", "Phone Playback Switch", "Phone PGA"},
154 {"HP Mixer", "Line Playback Switch", "Line PGA"},
155 {"HP Mixer", NULL, "Left DAC"},
156 {"HP Mixer", NULL, "Right DAC"},
157
158 /* mono mixer */
159 {"Mono Mixer", NULL, "HP Mixer"},
160
161 /* outputs */
162 {"Headphone PGA", NULL, "HP Mixer"},
163 {"HPOUTL", NULL, "Headphone PGA"},
164 {"HPOUTR", NULL, "Headphone PGA"},
165 {"Line out PGA", NULL, "HP Mixer"},
166 {"LOUT", NULL, "Line out PGA"},
167 {"ROUT", NULL, "Line out PGA"},
168 {"Mono PGA", NULL, "Mono Mixer"},
169 {"MONOOUT", NULL, "Mono PGA"},
170
171 /* inputs */
172 {"CD PGA", NULL, "CDINL"},
173 {"CD PGA", NULL, "CDINR"},
174 {"Line PGA", NULL, "LINEINL"},
175 {"Line PGA", NULL, "LINEINR"},
176 {"Phone PGA", NULL, "PHONE"},
177 {"Mic Source", "Mic 1", "MIC1"},
178 {"Mic Source", "Mic 2", "MIC2"},
179 {"Mic PGA", NULL, "Mic Source"},
180 {"PCBEEP PGA", NULL, "PCBEEP"},
181
182 /* Left capture selector */
183 {"Left Capture Source", "Mic", "Mic Source"},
184 {"Left Capture Source", "CD", "CDINL"},
185 {"Left Capture Source", "Line", "LINEINL"},
186 {"Left Capture Source", "Stereo Mix", "HP Mixer"},
187 {"Left Capture Source", "Mono Mix", "HP Mixer"},
188 {"Left Capture Source", "Phone", "PHONE"},
189
190 /* Right capture source */
191 {"Right Capture Source", "Mic", "Mic Source"},
192 {"Right Capture Source", "CD", "CDINR"},
193 {"Right Capture Source", "Line", "LINEINR"},
194 {"Right Capture Source", "Stereo Mix", "HP Mixer"},
195 {"Right Capture Source", "Mono Mix", "HP Mixer"},
196 {"Right Capture Source", "Phone", "PHONE"},
197
198 {"ADC PGA", NULL, "Left Capture Source"},
199 {"ADC PGA", NULL, "Right Capture Source"},
200
201 /* ADC's */
202 {"Left ADC", NULL, "ADC PGA"},
203 {"Right ADC", NULL, "ADC PGA"},
204};
205
2aceefef
IM		 206/* We use a register cache to enhance read performance. */
207static unsigned int ac97_read(struct snd_soc_codec *codec, unsigned int reg)
208{
358a8bb5 209 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
2aceefef
IM		 210 u16 *cache = codec->reg_cache;
211
212 switch (reg) {
213 case AC97_RESET:
214 case AC97_VENDOR_ID1:
215 case AC97_VENDOR_ID2:
358a8bb5 216 return soc_ac97_ops->read(ac97, reg);
2aceefef
IM		 217 default:
218 reg = reg >> 1;
219
220 if (reg >= (ARRAY_SIZE(wm9705_reg)))
221 return -EIO;
222
223 return cache[reg];
224 }
225}
226
227static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
228 unsigned int val)
229{
358a8bb5 230 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
2aceefef
IM		 231 u16 *cache = codec->reg_cache;
232
358a8bb5 233 soc_ac97_ops->write(ac97, reg, val);
2aceefef
IM		 234 reg = reg >> 1;
235 if (reg < (ARRAY_SIZE(wm9705_reg)))
236 cache[reg] = val;
237
238 return 0;
239}
240
241static int ac97_prepare(struct snd_pcm_substream *substream,
242 struct snd_soc_dai *dai)
243{
e6968a17 244 struct snd_soc_codec *codec = dai->codec;
2aceefef
IM		 245 int reg;
246 u16 vra;
247
248 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
249 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
250
251 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
252 reg = AC97_PCM_FRONT_DAC_RATE;
253 else
254 reg = AC97_PCM_LR_ADC_RATE;
255
019ec505 256 return ac97_write(codec, reg, substream->runtime->rate);
2aceefef
IM		 257}
258
259#define WM9705_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | \
260 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
261 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
262 SNDRV_PCM_RATE_48000)
263
85e7652d 264static const struct snd_soc_dai_ops wm9705_dai_ops = {
6335d055
EM		 265 .prepare = ac97_prepare,
266};
267
f0fba2ad 268static struct snd_soc_dai_driver wm9705_dai[] = {
2aceefef 269 {
f0fba2ad 270 .name = "wm9705-hifi",
2aceefef
IM		 271 .playback = {
272 .stream_name = "HiFi Playback",
273 .channels_min = 1,
274 .channels_max = 2,
275 .rates = WM9705_AC97_RATES,
33f503c9 276 .formats = SND_SOC_STD_AC97_FMTS,
2aceefef
IM		 277 },
278 .capture = {
279 .stream_name = "HiFi Capture",
280 .channels_min = 1,
281 .channels_max = 2,
282 .rates = WM9705_AC97_RATES,
33f503c9 283 .formats = SND_SOC_STD_AC97_FMTS,
2aceefef 284 },
6335d055 285 .ops = &wm9705_dai_ops,
2aceefef
IM		 286 },
287 {
f0fba2ad 288 .name = "wm9705-aux",
2aceefef
IM		 289 .playback = {
290 .stream_name = "Aux Playback",
291 .channels_min = 1,
292 .channels_max = 1,
293 .rates = WM9705_AC97_RATES,
294 .formats = SNDRV_PCM_FMTBIT_S16_LE,
295 },
296 }
297};
2aceefef 298
0a11b168 299#ifdef CONFIG_PM
84b315ee 300static int wm9705_soc_suspend(struct snd_soc_codec *codec)
0a11b168 301{
358a8bb5
LPC		 302 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
303
304 soc_ac97_ops->write(ac97, AC97_POWERDOWN, 0xffff);
0a11b168
MB		 305
306 return 0;
307}
308
f0fba2ad 309static int wm9705_soc_resume(struct snd_soc_codec *codec)
0a11b168 310{
358a8bb5 311 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
0a11b168
MB		 312 int i, ret;
313 u16 *cache = codec->reg_cache;
314
6e0b73a0
LPC		 315 ret = snd_ac97_reset(ac97, true, WM9705_VENDOR_ID,
316 WM9705_VENDOR_ID_MASK);
9cf766f6 317 if (ret < 0)
0a11b168 318 return ret;
0a11b168
MB		 319
320 for (i = 2; i < ARRAY_SIZE(wm9705_reg) << 1; i += 2) {
358a8bb5 321 soc_ac97_ops->write(ac97, i, cache[i>>1]);
0a11b168
MB		 322 }
323
324 return 0;
325}
326#else
327#define wm9705_soc_suspend NULL
328#define wm9705_soc_resume NULL
329#endif
330
f0fba2ad 331static int wm9705_soc_probe(struct snd_soc_codec *codec)
2aceefef 332{
358a8bb5 333 struct snd_ac97 *ac97;
2aceefef 334
6e0b73a0
LPC		 335 ac97 = snd_soc_new_ac97_codec(codec, WM9705_VENDOR_ID,
336 WM9705_VENDOR_ID_MASK);
358a8bb5 337 if (IS_ERR(ac97)) {
9cf766f6 338 dev_err(codec->dev, "Failed to register AC97 codec\n");
6e0b73a0 339 return PTR_ERR(ac97);
2aceefef
IM		 340 }
341
f8d71be5 342 snd_soc_codec_set_drvdata(codec, ac97);
2aceefef 343
2aceefef 344 return 0;
2aceefef
IM		 345}
346
f0fba2ad 347static int wm9705_soc_remove(struct snd_soc_codec *codec)
2aceefef 348{
358a8bb5
LPC		 349 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
350
351 snd_soc_free_ac97_codec(ac97);
2aceefef
IM		 352 return 0;
353}
354
f802d6c0 355static const struct snd_soc_codec_driver soc_codec_dev_wm9705 = {
2aceefef
IM		 356 .probe = wm9705_soc_probe,
357 .remove = wm9705_soc_remove,
0a11b168
MB		 358 .suspend = wm9705_soc_suspend,
359 .resume = wm9705_soc_resume,
f0fba2ad
LG		 360 .read = ac97_read,
361 .write = ac97_write,
e5eec34c 362 .reg_cache_size = ARRAY_SIZE(wm9705_reg),
f0fba2ad
LG		 363 .reg_word_size = sizeof(u16),
364 .reg_cache_step = 2,
365 .reg_cache_default = wm9705_reg,
d7cabb08 366
2fa1f30a
KM		 367 .component_driver = {
368 .controls = wm9705_snd_ac97_controls,
369 .num_controls = ARRAY_SIZE(wm9705_snd_ac97_controls),
370 .dapm_widgets = wm9705_dapm_widgets,
371 .num_dapm_widgets = ARRAY_SIZE(wm9705_dapm_widgets),
372 .dapm_routes = wm9705_audio_map,
373 .num_dapm_routes = ARRAY_SIZE(wm9705_audio_map),
374 },
f0fba2ad
LG		 375};
376
7a79e94e 377static int wm9705_probe(struct platform_device *pdev)
f0fba2ad
LG		 378{
379 return snd_soc_register_codec(&pdev->dev,
380 &soc_codec_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai));
381}
382
7a79e94e 383static int wm9705_remove(struct platform_device *pdev)
f0fba2ad
LG		 384{
385 snd_soc_unregister_codec(&pdev->dev);
386 return 0;
387}
388
389static struct platform_driver wm9705_codec_driver = {
390 .driver = {
391 .name = "wm9705-codec",
f0fba2ad
LG		 392 },
393
394 .probe = wm9705_probe,
7a79e94e 395 .remove = wm9705_remove,
2aceefef 396};
f0fba2ad 397
5bbcc3c0 398module_platform_driver(wm9705_codec_driver);
2aceefef
IM		 399
400MODULE_DESCRIPTION("ASoC WM9705 driver");
401MODULE_AUTHOR("Ian Molton");
402MODULE_LICENSE("GPL v2");
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