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