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12#include <linux/init.h>
13#include <linux/slab.h>
14#include <linux/mfd/wm97xx.h>
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/device.h>
18#include <linux/regmap.h>
19#include <sound/core.h>
20#include <sound/pcm.h>
21#include <sound/ac97_codec.h>
22#include <sound/ac97/codec.h>
23#include <sound/ac97/compat.h>
24#include <sound/initval.h>
25#include <sound/soc.h>
26
27#define WM9705_VENDOR_ID 0x574d4c05
28#define WM9705_VENDOR_ID_MASK 0xffffffff
29
30struct wm9705_priv {
31 struct snd_ac97 *ac97;
32 struct wm97xx_platform_data *mfd_pdata;
33};
34
35static const struct reg_default wm9705_reg_defaults[] = {
36 { 0x02, 0x8000 },
37 { 0x04, 0x8000 },
38 { 0x06, 0x8000 },
39 { 0x0a, 0x8000 },
40 { 0x0c, 0x8008 },
41 { 0x0e, 0x8008 },
42 { 0x10, 0x8808 },
43 { 0x12, 0x8808 },
44 { 0x14, 0x8808 },
45 { 0x16, 0x8808 },
46 { 0x18, 0x8808 },
47 { 0x1a, 0x0000 },
48 { 0x1c, 0x8000 },
49 { 0x20, 0x0000 },
50 { 0x22, 0x0000 },
51 { 0x26, 0x000f },
52 { 0x28, 0x0605 },
53 { 0x2a, 0x0000 },
54 { 0x2c, 0xbb80 },
55 { 0x32, 0xbb80 },
56 { 0x34, 0x2000 },
57 { 0x5a, 0x0000 },
58 { 0x5c, 0x0000 },
59 { 0x72, 0x0808 },
60 { 0x74, 0x0000 },
61 { 0x76, 0x0006 },
62 { 0x78, 0x0000 },
63 { 0x7a, 0x0000 },
64};
65
66static const struct regmap_config wm9705_regmap_config = {
67 .reg_bits = 16,
68 .reg_stride = 2,
69 .val_bits = 16,
70 .max_register = 0x7e,
71 .cache_type = REGCACHE_RBTREE,
72
73 .volatile_reg = regmap_ac97_default_volatile,
74
75 .reg_defaults = wm9705_reg_defaults,
76 .num_reg_defaults = ARRAY_SIZE(wm9705_reg_defaults),
77};
78
79static const struct snd_kcontrol_new wm9705_snd_ac97_controls[] = {
80 SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
81 SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
82 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
83 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
84 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
85 SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
86 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
87 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
88 SOC_SINGLE("PCBeep Playback Volume", AC97_PC_BEEP, 1, 15, 1),
89 SOC_SINGLE("Phone Playback Volume", AC97_PHONE, 0, 31, 1),
90 SOC_DOUBLE("Line Playback Volume", AC97_LINE, 8, 0, 31, 1),
91 SOC_DOUBLE("CD Playback Volume", AC97_CD, 8, 0, 31, 1),
92 SOC_SINGLE("Mic Playback Volume", AC97_MIC, 0, 31, 1),
93 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 6, 1, 0),
94 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0),
95 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
96};
97
98static const char *wm9705_mic[] = {"Mic 1", "Mic 2"};
99static const char *wm9705_rec_sel[] = {"Mic", "CD", "NC", "NC",
100 "Line", "Stereo Mix", "Mono Mix", "Phone"};
101
102static SOC_ENUM_SINGLE_DECL(wm9705_enum_mic,
103 AC97_GENERAL_PURPOSE, 8, wm9705_mic);
104static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_l,
105 AC97_REC_SEL, 8, wm9705_rec_sel);
106static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_r,
107 AC97_REC_SEL, 0, wm9705_rec_sel);
108
109
110static const struct snd_kcontrol_new wm9705_hp_mixer_controls[] = {
111 SOC_DAPM_SINGLE("PCBeep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
112 SOC_DAPM_SINGLE("CD Playback Switch", AC97_CD, 15, 1, 1),
113 SOC_DAPM_SINGLE("Mic Playback Switch", AC97_MIC, 15, 1, 1),
114 SOC_DAPM_SINGLE("Phone Playback Switch", AC97_PHONE, 15, 1, 1),
115 SOC_DAPM_SINGLE("Line Playback Switch", AC97_LINE, 15, 1, 1),
116};
117
118
119static const struct snd_kcontrol_new wm9705_mic_src_controls =
120 SOC_DAPM_ENUM("Route", wm9705_enum_mic);
121
122
123static const struct snd_kcontrol_new wm9705_capture_selectl_controls =
124 SOC_DAPM_ENUM("Route", wm9705_enum_rec_l);
125static const struct snd_kcontrol_new wm9705_capture_selectr_controls =
126 SOC_DAPM_ENUM("Route", wm9705_enum_rec_r);
127
128
129static const struct snd_soc_dapm_widget wm9705_dapm_widgets[] = {
130 SND_SOC_DAPM_MUX("Mic Source", SND_SOC_NOPM, 0, 0,
131 &wm9705_mic_src_controls),
132 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
133 &wm9705_capture_selectl_controls),
134 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
135 &wm9705_capture_selectr_controls),
136 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback",
137 SND_SOC_NOPM, 0, 0),
138 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback",
139 SND_SOC_NOPM, 0, 0),
140 SND_SOC_DAPM_MIXER_NAMED_CTL("HP Mixer", SND_SOC_NOPM, 0, 0,
141 &wm9705_hp_mixer_controls[0],
142 ARRAY_SIZE(wm9705_hp_mixer_controls)),
143 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
144 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
145 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
146 SND_SOC_DAPM_PGA("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
147 SND_SOC_DAPM_PGA("Speaker PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
148 SND_SOC_DAPM_PGA("Line PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
149 SND_SOC_DAPM_PGA("Line out PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
150 SND_SOC_DAPM_PGA("Mono PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
151 SND_SOC_DAPM_PGA("Phone PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
152 SND_SOC_DAPM_PGA("Mic PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
153 SND_SOC_DAPM_PGA("PCBEEP PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
154 SND_SOC_DAPM_PGA("CD PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
155 SND_SOC_DAPM_PGA("ADC PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
156 SND_SOC_DAPM_OUTPUT("HPOUTL"),
157 SND_SOC_DAPM_OUTPUT("HPOUTR"),
158 SND_SOC_DAPM_OUTPUT("LOUT"),
159 SND_SOC_DAPM_OUTPUT("ROUT"),
160 SND_SOC_DAPM_OUTPUT("MONOOUT"),
161 SND_SOC_DAPM_INPUT("PHONE"),
162 SND_SOC_DAPM_INPUT("LINEINL"),
163 SND_SOC_DAPM_INPUT("LINEINR"),
164 SND_SOC_DAPM_INPUT("CDINL"),
165 SND_SOC_DAPM_INPUT("CDINR"),
166 SND_SOC_DAPM_INPUT("PCBEEP"),
167 SND_SOC_DAPM_INPUT("MIC1"),
168 SND_SOC_DAPM_INPUT("MIC2"),
169};
170
171
172
173
174
175
176
177static const struct snd_soc_dapm_route wm9705_audio_map[] = {
178
179 {"HP Mixer", "PCBeep Playback Switch", "PCBEEP PGA"},
180 {"HP Mixer", "CD Playback Switch", "CD PGA"},
181 {"HP Mixer", "Mic Playback Switch", "Mic PGA"},
182 {"HP Mixer", "Phone Playback Switch", "Phone PGA"},
183 {"HP Mixer", "Line Playback Switch", "Line PGA"},
184 {"HP Mixer", NULL, "Left DAC"},
185 {"HP Mixer", NULL, "Right DAC"},
186
187
188 {"Mono Mixer", NULL, "HP Mixer"},
189
190
191 {"Headphone PGA", NULL, "HP Mixer"},
192 {"HPOUTL", NULL, "Headphone PGA"},
193 {"HPOUTR", NULL, "Headphone PGA"},
194 {"Line out PGA", NULL, "HP Mixer"},
195 {"LOUT", NULL, "Line out PGA"},
196 {"ROUT", NULL, "Line out PGA"},
197 {"Mono PGA", NULL, "Mono Mixer"},
198 {"MONOOUT", NULL, "Mono PGA"},
199
200
201 {"CD PGA", NULL, "CDINL"},
202 {"CD PGA", NULL, "CDINR"},
203 {"Line PGA", NULL, "LINEINL"},
204 {"Line PGA", NULL, "LINEINR"},
205 {"Phone PGA", NULL, "PHONE"},
206 {"Mic Source", "Mic 1", "MIC1"},
207 {"Mic Source", "Mic 2", "MIC2"},
208 {"Mic PGA", NULL, "Mic Source"},
209 {"PCBEEP PGA", NULL, "PCBEEP"},
210
211
212 {"Left Capture Source", "Mic", "Mic Source"},
213 {"Left Capture Source", "CD", "CDINL"},
214 {"Left Capture Source", "Line", "LINEINL"},
215 {"Left Capture Source", "Stereo Mix", "HP Mixer"},
216 {"Left Capture Source", "Mono Mix", "HP Mixer"},
217 {"Left Capture Source", "Phone", "PHONE"},
218
219
220 {"Right Capture Source", "Mic", "Mic Source"},
221 {"Right Capture Source", "CD", "CDINR"},
222 {"Right Capture Source", "Line", "LINEINR"},
223 {"Right Capture Source", "Stereo Mix", "HP Mixer"},
224 {"Right Capture Source", "Mono Mix", "HP Mixer"},
225 {"Right Capture Source", "Phone", "PHONE"},
226
227 {"ADC PGA", NULL, "Left Capture Source"},
228 {"ADC PGA", NULL, "Right Capture Source"},
229
230
231 {"Left ADC", NULL, "ADC PGA"},
232 {"Right ADC", NULL, "ADC PGA"},
233};
234
235static int ac97_prepare(struct snd_pcm_substream *substream,
236 struct snd_soc_dai *dai)
237{
238 struct snd_soc_component *component = dai->component;
239 int reg;
240
241 snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x1, 0x1);
242
243 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
244 reg = AC97_PCM_FRONT_DAC_RATE;
245 else
246 reg = AC97_PCM_LR_ADC_RATE;
247
248 return snd_soc_component_write(component, reg, substream->runtime->rate);
249}
250
251#define WM9705_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | \
252 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
253 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
254 SNDRV_PCM_RATE_48000)
255
256static const struct snd_soc_dai_ops wm9705_dai_ops = {
257 .prepare = ac97_prepare,
258};
259
260static struct snd_soc_dai_driver wm9705_dai[] = {
261 {
262 .name = "wm9705-hifi",
263 .playback = {
264 .stream_name = "HiFi Playback",
265 .channels_min = 1,
266 .channels_max = 2,
267 .rates = WM9705_AC97_RATES,
268 .formats = SND_SOC_STD_AC97_FMTS,
269 },
270 .capture = {
271 .stream_name = "HiFi Capture",
272 .channels_min = 1,
273 .channels_max = 2,
274 .rates = WM9705_AC97_RATES,
275 .formats = SND_SOC_STD_AC97_FMTS,
276 },
277 .ops = &wm9705_dai_ops,
278 },
279 {
280 .name = "wm9705-aux",
281 .playback = {
282 .stream_name = "Aux Playback",
283 .channels_min = 1,
284 .channels_max = 1,
285 .rates = WM9705_AC97_RATES,
286 .formats = SNDRV_PCM_FMTBIT_S16_LE,
287 },
288 }
289};
290
291#ifdef CONFIG_PM
292static int wm9705_soc_suspend(struct snd_soc_component *component)
293{
294 regcache_cache_bypass(component->regmap, true);
295 snd_soc_component_write(component, AC97_POWERDOWN, 0xffff);
296 regcache_cache_bypass(component->regmap, false);
297
298 return 0;
299}
300
301static int wm9705_soc_resume(struct snd_soc_component *component)
302{
303 struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component);
304 int ret;
305
306 ret = snd_ac97_reset(wm9705->ac97, true, WM9705_VENDOR_ID,
307 WM9705_VENDOR_ID_MASK);
308 if (ret < 0)
309 return ret;
310
311 snd_soc_component_cache_sync(component);
312
313 return 0;
314}
315#else
316#define wm9705_soc_suspend NULL
317#define wm9705_soc_resume NULL
318#endif
319
320static int wm9705_soc_probe(struct snd_soc_component *component)
321{
322 struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component);
323 struct regmap *regmap;
324
325 if (wm9705->mfd_pdata) {
326 wm9705->ac97 = wm9705->mfd_pdata->ac97;
327 regmap = wm9705->mfd_pdata->regmap;
328 } else {
329#ifdef CONFIG_SND_SOC_AC97_BUS
330 wm9705->ac97 = snd_soc_new_ac97_component(component, WM9705_VENDOR_ID,
331 WM9705_VENDOR_ID_MASK);
332 if (IS_ERR(wm9705->ac97)) {
333 dev_err(component->dev, "Failed to register AC97 codec\n");
334 return PTR_ERR(wm9705->ac97);
335 }
336
337 regmap = regmap_init_ac97(wm9705->ac97, &wm9705_regmap_config);
338 if (IS_ERR(regmap)) {
339 snd_soc_free_ac97_component(wm9705->ac97);
340 return PTR_ERR(regmap);
341 }
342#endif
343 }
344
345 snd_soc_component_set_drvdata(component, wm9705->ac97);
346 snd_soc_component_init_regmap(component, regmap);
347
348 return 0;
349}
350
351static void wm9705_soc_remove(struct snd_soc_component *component)
352{
353#ifdef CONFIG_SND_SOC_AC97_BUS
354 struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component);
355
356 if (!wm9705->mfd_pdata) {
357 snd_soc_component_exit_regmap(component);
358 snd_soc_free_ac97_component(wm9705->ac97);
359 }
360#endif
361}
362
363static const struct snd_soc_component_driver soc_component_dev_wm9705 = {
364 .probe = wm9705_soc_probe,
365 .remove = wm9705_soc_remove,
366 .suspend = wm9705_soc_suspend,
367 .resume = wm9705_soc_resume,
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 .idle_bias_on = 1,
375 .use_pmdown_time = 1,
376 .endianness = 1,
377 .non_legacy_dai_naming = 1,
378};
379
380static int wm9705_probe(struct platform_device *pdev)
381{
382 struct wm9705_priv *wm9705;
383
384 wm9705 = devm_kzalloc(&pdev->dev, sizeof(*wm9705), GFP_KERNEL);
385 if (wm9705 == NULL)
386 return -ENOMEM;
387
388 wm9705->mfd_pdata = dev_get_platdata(&pdev->dev);
389 platform_set_drvdata(pdev, wm9705);
390
391 return devm_snd_soc_register_component(&pdev->dev,
392 &soc_component_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai));
393}
394
395static struct platform_driver wm9705_codec_driver = {
396 .driver = {
397 .name = "wm9705-codec",
398 },
399
400 .probe = wm9705_probe,
401};
402
403module_platform_driver(wm9705_codec_driver);
404
405MODULE_DESCRIPTION("ASoC WM9705 driver");
406MODULE_AUTHOR("Ian Molton");
407MODULE_LICENSE("GPL v2");
408
