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9b8dc66f MB |
1 | /* |
2 | * Speyside audio support | |
3 | * | |
4 | * Copyright 2011 Wolfson Microelectronics | |
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; either version 2 of the License, or (at your | |
9 | * option) any later version. | |
10 | */ | |
11 | ||
12 | #include <sound/soc.h> | |
13 | #include <sound/soc-dapm.h> | |
68688e78 MB |
14 | #include <sound/jack.h> |
15 | #include <linux/gpio.h> | |
9b8dc66f | 16 | |
a9ba6151 | 17 | #include "../codecs/wm8996.h" |
ea3e98e7 | 18 | #include "../codecs/wm9081.h" |
9b8dc66f | 19 | |
a9ba6151 | 20 | #define WM8996_HPSEL_GPIO 214 |
68688e78 | 21 | |
ea0a591a | 22 | static int speyside_set_bias_level(struct snd_soc_card *card, |
d4c6005f | 23 | struct snd_soc_dapm_context *dapm, |
ea0a591a MB |
24 | enum snd_soc_bias_level level) |
25 | { | |
26 | struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai; | |
27 | int ret; | |
28 | ||
d4c6005f MB |
29 | if (dapm->dev != codec_dai->dev) |
30 | return 0; | |
31 | ||
ea0a591a MB |
32 | switch (level) { |
33 | case SND_SOC_BIAS_STANDBY: | |
a9ba6151 | 34 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8996_SYSCLK_MCLK2, |
ea0a591a MB |
35 | 32768, SND_SOC_CLOCK_IN); |
36 | if (ret < 0) | |
37 | return ret; | |
38 | ||
a9ba6151 | 39 | ret = snd_soc_dai_set_pll(codec_dai, WM8996_FLL_MCLK2, |
ea0a591a MB |
40 | 0, 0, 0); |
41 | if (ret < 0) { | |
42 | pr_err("Failed to stop FLL\n"); | |
43 | return ret; | |
44 | } | |
85e9e766 MB |
45 | break; |
46 | ||
47 | default: | |
48 | break; | |
49 | } | |
50 | ||
51 | return 0; | |
52 | } | |
53 | ||
54 | static int speyside_set_bias_level_post(struct snd_soc_card *card, | |
55 | struct snd_soc_dapm_context *dapm, | |
56 | enum snd_soc_bias_level level) | |
57 | { | |
58 | struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai; | |
59 | int ret; | |
60 | ||
61 | if (dapm->dev != codec_dai->dev) | |
62 | return 0; | |
63 | ||
64 | switch (level) { | |
65 | case SND_SOC_BIAS_PREPARE: | |
66 | if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY) { | |
67 | ret = snd_soc_dai_set_pll(codec_dai, 0, | |
a9ba6151 | 68 | WM8996_FLL_MCLK2, |
85e9e766 MB |
69 | 32768, 48000 * 256); |
70 | if (ret < 0) { | |
71 | pr_err("Failed to start FLL\n"); | |
72 | return ret; | |
73 | } | |
74 | ||
75 | ret = snd_soc_dai_set_sysclk(codec_dai, | |
a9ba6151 | 76 | WM8996_SYSCLK_FLL, |
85e9e766 MB |
77 | 48000 * 256, |
78 | SND_SOC_CLOCK_IN); | |
79 | if (ret < 0) | |
80 | return ret; | |
81 | } | |
82 | break; | |
ea0a591a MB |
83 | |
84 | default: | |
85 | break; | |
86 | } | |
87 | ||
85e9e766 MB |
88 | card->dapm.bias_level = level; |
89 | ||
ea0a591a MB |
90 | return 0; |
91 | } | |
92 | ||
9b8dc66f MB |
93 | static int speyside_hw_params(struct snd_pcm_substream *substream, |
94 | struct snd_pcm_hw_params *params) | |
95 | { | |
96 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
97 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
98 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
99 | int ret; | |
100 | ||
101 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | |
102 | | SND_SOC_DAIFMT_NB_NF | |
103 | | SND_SOC_DAIFMT_CBM_CFM); | |
104 | if (ret < 0) | |
105 | return ret; | |
106 | ||
107 | ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | |
108 | | SND_SOC_DAIFMT_NB_NF | |
109 | | SND_SOC_DAIFMT_CBM_CFM); | |
110 | if (ret < 0) | |
111 | return ret; | |
112 | ||
9b8dc66f MB |
113 | return 0; |
114 | } | |
115 | ||
116 | static struct snd_soc_ops speyside_ops = { | |
117 | .hw_params = speyside_hw_params, | |
118 | }; | |
119 | ||
68688e78 MB |
120 | static struct snd_soc_jack speyside_headset; |
121 | ||
122 | /* Headset jack detection DAPM pins */ | |
123 | static struct snd_soc_jack_pin speyside_headset_pins[] = { | |
124 | { | |
125 | .pin = "Headset Mic", | |
126 | .mask = SND_JACK_MICROPHONE, | |
127 | }, | |
128 | { | |
129 | .pin = "Headphone", | |
130 | .mask = SND_JACK_HEADPHONE, | |
131 | }, | |
132 | }; | |
133 | ||
134 | /* Default the headphone selection to active high */ | |
135 | static int speyside_jack_polarity; | |
136 | ||
137 | static int speyside_get_micbias(struct snd_soc_dapm_widget *source, | |
138 | struct snd_soc_dapm_widget *sink) | |
139 | { | |
140 | if (speyside_jack_polarity && (strcmp(source->name, "MICB1") == 0)) | |
141 | return 1; | |
142 | if (!speyside_jack_polarity && (strcmp(source->name, "MICB2") == 0)) | |
143 | return 1; | |
144 | ||
145 | return 0; | |
146 | } | |
147 | ||
148 | static void speyside_set_polarity(struct snd_soc_codec *codec, | |
149 | int polarity) | |
150 | { | |
151 | speyside_jack_polarity = !polarity; | |
a9ba6151 | 152 | gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity); |
68688e78 MB |
153 | |
154 | /* Re-run DAPM to make sure we're using the correct mic bias */ | |
155 | snd_soc_dapm_sync(&codec->dapm); | |
156 | } | |
157 | ||
a9ba6151 | 158 | static int speyside_wm8996_init(struct snd_soc_pcm_runtime *rtd) |
ea0a591a MB |
159 | { |
160 | struct snd_soc_dai *dai = rtd->codec_dai; | |
68688e78 MB |
161 | struct snd_soc_codec *codec = rtd->codec; |
162 | int ret; | |
163 | ||
a9ba6151 | 164 | ret = snd_soc_dai_set_sysclk(dai, WM8996_SYSCLK_MCLK2, 32768, 0); |
68688e78 MB |
165 | if (ret < 0) |
166 | return ret; | |
167 | ||
a9ba6151 | 168 | ret = gpio_request(WM8996_HPSEL_GPIO, "HP_SEL"); |
68688e78 MB |
169 | if (ret != 0) |
170 | pr_err("Failed to request HP_SEL GPIO: %d\n", ret); | |
a9ba6151 | 171 | gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity); |
ea0a591a | 172 | |
68688e78 MB |
173 | ret = snd_soc_jack_new(codec, "Headset", |
174 | SND_JACK_HEADSET | SND_JACK_BTN_0, | |
175 | &speyside_headset); | |
176 | if (ret) | |
177 | return ret; | |
178 | ||
179 | ret = snd_soc_jack_add_pins(&speyside_headset, | |
180 | ARRAY_SIZE(speyside_headset_pins), | |
181 | speyside_headset_pins); | |
182 | if (ret) | |
183 | return ret; | |
184 | ||
a9ba6151 | 185 | wm8996_detect(codec, &speyside_headset, speyside_set_polarity); |
68688e78 MB |
186 | |
187 | return 0; | |
ea0a591a MB |
188 | } |
189 | ||
b7a5d14c MB |
190 | static int speyside_late_probe(struct snd_soc_card *card) |
191 | { | |
192 | snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone"); | |
193 | snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic"); | |
194 | snd_soc_dapm_ignore_suspend(&card->dapm, "Main AMIC"); | |
195 | snd_soc_dapm_ignore_suspend(&card->dapm, "Main DMIC"); | |
196 | snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker"); | |
197 | snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Output"); | |
198 | snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Input"); | |
199 | ||
200 | return 0; | |
201 | } | |
202 | ||
9b8dc66f MB |
203 | static struct snd_soc_dai_link speyside_dai[] = { |
204 | { | |
205 | .name = "CPU", | |
206 | .stream_name = "CPU", | |
207 | .cpu_dai_name = "samsung-i2s.0", | |
a9ba6151 | 208 | .codec_dai_name = "wm8996-aif1", |
9b8dc66f | 209 | .platform_name = "samsung-audio", |
a9ba6151 MB |
210 | .codec_name = "wm8996.1-001a", |
211 | .init = speyside_wm8996_init, | |
9b8dc66f MB |
212 | .ops = &speyside_ops, |
213 | }, | |
556e4fb1 MB |
214 | { |
215 | .name = "Baseband", | |
216 | .stream_name = "Baseband", | |
a9ba6151 | 217 | .cpu_dai_name = "wm8996-aif2", |
556e4fb1 MB |
218 | .codec_dai_name = "wm1250-ev1", |
219 | .codec_name = "wm1250-ev1.1-0027", | |
556e4fb1 | 220 | .ops = &speyside_ops, |
b7a5d14c | 221 | .ignore_suspend = 1, |
556e4fb1 | 222 | }, |
9b8dc66f MB |
223 | }; |
224 | ||
ea3e98e7 MB |
225 | static int speyside_wm9081_init(struct snd_soc_dapm_context *dapm) |
226 | { | |
227 | snd_soc_dapm_nc_pin(dapm, "LINEOUT"); | |
228 | ||
229 | /* At any time the WM9081 is active it will have this clock */ | |
230 | return snd_soc_codec_set_sysclk(dapm->codec, WM9081_SYSCLK_MCLK, | |
231 | 48000 * 256, 0); | |
232 | } | |
233 | ||
234 | static struct snd_soc_aux_dev speyside_aux_dev[] = { | |
235 | { | |
236 | .name = "wm9081", | |
237 | .codec_name = "wm9081.1-006c", | |
238 | .init = speyside_wm9081_init, | |
239 | }, | |
240 | }; | |
241 | ||
242 | static struct snd_soc_codec_conf speyside_codec_conf[] = { | |
243 | { | |
244 | .dev_name = "wm9081.1-006c", | |
245 | .name_prefix = "Sub", | |
246 | }, | |
247 | }; | |
248 | ||
ea0e60de MB |
249 | static const struct snd_kcontrol_new controls[] = { |
250 | SOC_DAPM_PIN_SWITCH("Main Speaker"), | |
251 | SOC_DAPM_PIN_SWITCH("Main DMIC"), | |
252 | SOC_DAPM_PIN_SWITCH("Main AMIC"), | |
556e4fb1 MB |
253 | SOC_DAPM_PIN_SWITCH("WM1250 Input"), |
254 | SOC_DAPM_PIN_SWITCH("WM1250 Output"), | |
ea0e60de MB |
255 | }; |
256 | ||
ecfb1adf MB |
257 | static struct snd_soc_dapm_widget widgets[] = { |
258 | SND_SOC_DAPM_HP("Headphone", NULL), | |
68688e78 | 259 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
ecfb1adf MB |
260 | |
261 | SND_SOC_DAPM_SPK("Main Speaker", NULL), | |
262 | ||
263 | SND_SOC_DAPM_MIC("Main AMIC", NULL), | |
264 | SND_SOC_DAPM_MIC("Main DMIC", NULL), | |
265 | }; | |
266 | ||
267 | static struct snd_soc_dapm_route audio_paths[] = { | |
68688e78 MB |
268 | { "IN1RN", NULL, "MICB1" }, |
269 | { "IN1RP", NULL, "MICB1" }, | |
270 | { "IN1RN", NULL, "MICB2" }, | |
271 | { "IN1RP", NULL, "MICB2" }, | |
272 | { "MICB1", NULL, "Headset Mic", speyside_get_micbias }, | |
273 | { "MICB2", NULL, "Headset Mic", speyside_get_micbias }, | |
274 | ||
ecfb1adf | 275 | { "IN1LP", NULL, "MICB2" }, |
68688e78 | 276 | { "IN1RN", NULL, "MICB1" }, |
ecfb1adf MB |
277 | { "MICB2", NULL, "Main AMIC" }, |
278 | ||
279 | { "DMIC1DAT", NULL, "MICB1" }, | |
280 | { "DMIC2DAT", NULL, "MICB1" }, | |
281 | { "MICB1", NULL, "Main DMIC" }, | |
282 | ||
283 | { "Headphone", NULL, "HPOUT1L" }, | |
284 | { "Headphone", NULL, "HPOUT1R" }, | |
285 | ||
ea3e98e7 MB |
286 | { "Sub IN1", NULL, "HPOUT2L" }, |
287 | { "Sub IN2", NULL, "HPOUT2R" }, | |
288 | ||
289 | { "Main Speaker", NULL, "Sub SPKN" }, | |
290 | { "Main Speaker", NULL, "Sub SPKP" }, | |
ecfb1adf MB |
291 | { "Main Speaker", NULL, "SPKDAT" }, |
292 | }; | |
293 | ||
9b8dc66f MB |
294 | static struct snd_soc_card speyside = { |
295 | .name = "Speyside", | |
296 | .dai_link = speyside_dai, | |
297 | .num_links = ARRAY_SIZE(speyside_dai), | |
ea3e98e7 MB |
298 | .aux_dev = speyside_aux_dev, |
299 | .num_aux_devs = ARRAY_SIZE(speyside_aux_dev), | |
300 | .codec_conf = speyside_codec_conf, | |
301 | .num_configs = ARRAY_SIZE(speyside_codec_conf), | |
ecfb1adf | 302 | |
ea0a591a | 303 | .set_bias_level = speyside_set_bias_level, |
995e54f5 | 304 | .set_bias_level_post = speyside_set_bias_level_post, |
ea0a591a | 305 | |
ea0e60de MB |
306 | .controls = controls, |
307 | .num_controls = ARRAY_SIZE(controls), | |
ecfb1adf MB |
308 | .dapm_widgets = widgets, |
309 | .num_dapm_widgets = ARRAY_SIZE(widgets), | |
310 | .dapm_routes = audio_paths, | |
311 | .num_dapm_routes = ARRAY_SIZE(audio_paths), | |
b7a5d14c MB |
312 | |
313 | .late_probe = speyside_late_probe, | |
9b8dc66f MB |
314 | }; |
315 | ||
316 | static __devinit int speyside_probe(struct platform_device *pdev) | |
317 | { | |
318 | struct snd_soc_card *card = &speyside; | |
319 | int ret; | |
320 | ||
321 | card->dev = &pdev->dev; | |
322 | ||
323 | ret = snd_soc_register_card(card); | |
324 | if (ret) { | |
325 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
326 | ret); | |
327 | return ret; | |
328 | } | |
329 | ||
330 | return 0; | |
331 | } | |
332 | ||
333 | static int __devexit speyside_remove(struct platform_device *pdev) | |
334 | { | |
335 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
336 | ||
337 | snd_soc_unregister_card(card); | |
338 | ||
339 | return 0; | |
340 | } | |
341 | ||
342 | static struct platform_driver speyside_driver = { | |
343 | .driver = { | |
344 | .name = "speyside", | |
345 | .owner = THIS_MODULE, | |
346 | .pm = &snd_soc_pm_ops, | |
347 | }, | |
348 | .probe = speyside_probe, | |
349 | .remove = __devexit_p(speyside_remove), | |
350 | }; | |
351 | ||
352 | static int __init speyside_audio_init(void) | |
353 | { | |
354 | return platform_driver_register(&speyside_driver); | |
355 | } | |
356 | module_init(speyside_audio_init); | |
357 | ||
358 | static void __exit speyside_audio_exit(void) | |
359 | { | |
360 | platform_driver_unregister(&speyside_driver); | |
361 | } | |
362 | module_exit(speyside_audio_exit); | |
363 | ||
364 | MODULE_DESCRIPTION("Speyside audio support"); | |
365 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
366 | MODULE_LICENSE("GPL"); | |
367 | MODULE_ALIAS("platform:speyside"); |