Commit | Line | Data |
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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> | |
da155d5b | 16 | #include <linux/module.h> |
9b8dc66f | 17 | |
a9ba6151 | 18 | #include "../codecs/wm8996.h" |
ea3e98e7 | 19 | #include "../codecs/wm9081.h" |
9b8dc66f | 20 | |
a9ba6151 | 21 | #define WM8996_HPSEL_GPIO 214 |
36281376 | 22 | #define MCLK_AUDIO_RATE (512 * 48000) |
68688e78 | 23 | |
ea0a591a | 24 | static int speyside_set_bias_level(struct snd_soc_card *card, |
d4c6005f | 25 | struct snd_soc_dapm_context *dapm, |
ea0a591a MB |
26 | enum snd_soc_bias_level level) |
27 | { | |
f9372c9c | 28 | struct snd_soc_dai *codec_dai = card->rtd[1].codec_dai; |
ea0a591a MB |
29 | int ret; |
30 | ||
d4c6005f MB |
31 | if (dapm->dev != codec_dai->dev) |
32 | return 0; | |
33 | ||
ea0a591a MB |
34 | switch (level) { |
35 | case SND_SOC_BIAS_STANDBY: | |
a9ba6151 | 36 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8996_SYSCLK_MCLK2, |
ea0a591a MB |
37 | 32768, SND_SOC_CLOCK_IN); |
38 | if (ret < 0) | |
39 | return ret; | |
40 | ||
a9ba6151 | 41 | ret = snd_soc_dai_set_pll(codec_dai, WM8996_FLL_MCLK2, |
ea0a591a MB |
42 | 0, 0, 0); |
43 | if (ret < 0) { | |
44 | pr_err("Failed to stop FLL\n"); | |
45 | return ret; | |
46 | } | |
85e9e766 MB |
47 | break; |
48 | ||
49 | default: | |
50 | break; | |
51 | } | |
52 | ||
53 | return 0; | |
54 | } | |
55 | ||
56 | static int speyside_set_bias_level_post(struct snd_soc_card *card, | |
57 | struct snd_soc_dapm_context *dapm, | |
58 | enum snd_soc_bias_level level) | |
59 | { | |
f9372c9c | 60 | struct snd_soc_dai *codec_dai = card->rtd[1].codec_dai; |
85e9e766 MB |
61 | int ret; |
62 | ||
63 | if (dapm->dev != codec_dai->dev) | |
64 | return 0; | |
65 | ||
66 | switch (level) { | |
67 | case SND_SOC_BIAS_PREPARE: | |
68 | if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY) { | |
69 | ret = snd_soc_dai_set_pll(codec_dai, 0, | |
a9ba6151 | 70 | WM8996_FLL_MCLK2, |
36281376 | 71 | 32768, MCLK_AUDIO_RATE); |
85e9e766 MB |
72 | if (ret < 0) { |
73 | pr_err("Failed to start FLL\n"); | |
74 | return ret; | |
75 | } | |
76 | ||
77 | ret = snd_soc_dai_set_sysclk(codec_dai, | |
a9ba6151 | 78 | WM8996_SYSCLK_FLL, |
36281376 | 79 | MCLK_AUDIO_RATE, |
85e9e766 MB |
80 | SND_SOC_CLOCK_IN); |
81 | if (ret < 0) | |
82 | return ret; | |
83 | } | |
84 | break; | |
ea0a591a MB |
85 | |
86 | default: | |
87 | break; | |
88 | } | |
89 | ||
85e9e766 MB |
90 | card->dapm.bias_level = level; |
91 | ||
ea0a591a MB |
92 | return 0; |
93 | } | |
94 | ||
68688e78 MB |
95 | static struct snd_soc_jack speyside_headset; |
96 | ||
97 | /* Headset jack detection DAPM pins */ | |
98 | static struct snd_soc_jack_pin speyside_headset_pins[] = { | |
99 | { | |
100 | .pin = "Headset Mic", | |
101 | .mask = SND_JACK_MICROPHONE, | |
102 | }, | |
68688e78 MB |
103 | }; |
104 | ||
105 | /* Default the headphone selection to active high */ | |
106 | static int speyside_jack_polarity; | |
107 | ||
108 | static int speyside_get_micbias(struct snd_soc_dapm_widget *source, | |
109 | struct snd_soc_dapm_widget *sink) | |
110 | { | |
111 | if (speyside_jack_polarity && (strcmp(source->name, "MICB1") == 0)) | |
112 | return 1; | |
113 | if (!speyside_jack_polarity && (strcmp(source->name, "MICB2") == 0)) | |
114 | return 1; | |
115 | ||
116 | return 0; | |
117 | } | |
118 | ||
119 | static void speyside_set_polarity(struct snd_soc_codec *codec, | |
120 | int polarity) | |
121 | { | |
122 | speyside_jack_polarity = !polarity; | |
a9ba6151 | 123 | gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity); |
68688e78 MB |
124 | |
125 | /* Re-run DAPM to make sure we're using the correct mic bias */ | |
126 | snd_soc_dapm_sync(&codec->dapm); | |
127 | } | |
128 | ||
f9372c9c MB |
129 | static int speyside_wm0010_init(struct snd_soc_pcm_runtime *rtd) |
130 | { | |
131 | struct snd_soc_dai *dai = rtd->codec_dai; | |
132 | int ret; | |
133 | ||
134 | ret = snd_soc_dai_set_sysclk(dai, 0, MCLK_AUDIO_RATE, 0); | |
135 | if (ret < 0) | |
136 | return ret; | |
137 | ||
138 | return 0; | |
139 | } | |
140 | ||
a9ba6151 | 141 | static int speyside_wm8996_init(struct snd_soc_pcm_runtime *rtd) |
ea0a591a MB |
142 | { |
143 | struct snd_soc_dai *dai = rtd->codec_dai; | |
68688e78 MB |
144 | struct snd_soc_codec *codec = rtd->codec; |
145 | int ret; | |
146 | ||
a9ba6151 | 147 | ret = snd_soc_dai_set_sysclk(dai, WM8996_SYSCLK_MCLK2, 32768, 0); |
68688e78 MB |
148 | if (ret < 0) |
149 | return ret; | |
150 | ||
a9ba6151 | 151 | ret = gpio_request(WM8996_HPSEL_GPIO, "HP_SEL"); |
68688e78 MB |
152 | if (ret != 0) |
153 | pr_err("Failed to request HP_SEL GPIO: %d\n", ret); | |
a9ba6151 | 154 | gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity); |
ea0a591a | 155 | |
68688e78 | 156 | ret = snd_soc_jack_new(codec, "Headset", |
45cf367e MB |
157 | SND_JACK_LINEOUT | SND_JACK_HEADSET | |
158 | SND_JACK_BTN_0, | |
68688e78 MB |
159 | &speyside_headset); |
160 | if (ret) | |
161 | return ret; | |
162 | ||
163 | ret = snd_soc_jack_add_pins(&speyside_headset, | |
164 | ARRAY_SIZE(speyside_headset_pins), | |
165 | speyside_headset_pins); | |
166 | if (ret) | |
167 | return ret; | |
168 | ||
a9ba6151 | 169 | wm8996_detect(codec, &speyside_headset, speyside_set_polarity); |
68688e78 MB |
170 | |
171 | return 0; | |
ea0a591a MB |
172 | } |
173 | ||
b7a5d14c MB |
174 | static int speyside_late_probe(struct snd_soc_card *card) |
175 | { | |
176 | snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone"); | |
177 | snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic"); | |
178 | snd_soc_dapm_ignore_suspend(&card->dapm, "Main AMIC"); | |
179 | snd_soc_dapm_ignore_suspend(&card->dapm, "Main DMIC"); | |
5b895eec | 180 | snd_soc_dapm_ignore_suspend(&card->dapm, "Main Speaker"); |
b7a5d14c MB |
181 | snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Output"); |
182 | snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Input"); | |
183 | ||
184 | return 0; | |
185 | } | |
186 | ||
f9372c9c MB |
187 | static const struct snd_soc_pcm_stream dsp_codec_params = { |
188 | .formats = SNDRV_PCM_FMTBIT_S32_LE, | |
189 | .rate_min = 48000, | |
190 | .rate_max = 48000, | |
191 | .channels_min = 2, | |
192 | .channels_max = 2, | |
193 | }; | |
194 | ||
9b8dc66f MB |
195 | static struct snd_soc_dai_link speyside_dai[] = { |
196 | { | |
f9372c9c MB |
197 | .name = "CPU-DSP", |
198 | .stream_name = "CPU-DSP", | |
9b8dc66f | 199 | .cpu_dai_name = "samsung-i2s.0", |
f9372c9c | 200 | .codec_dai_name = "wm0010-sdi1", |
a08485d8 | 201 | .platform_name = "samsung-i2s.0", |
f9372c9c MB |
202 | .codec_name = "spi0.0", |
203 | .init = speyside_wm0010_init, | |
204 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
205 | | SND_SOC_DAIFMT_CBM_CFM, | |
206 | }, | |
207 | { | |
208 | .name = "DSP-CODEC", | |
209 | .stream_name = "DSP-CODEC", | |
210 | .cpu_dai_name = "wm0010-sdi2", | |
211 | .codec_dai_name = "wm8996-aif1", | |
a9ba6151 MB |
212 | .codec_name = "wm8996.1-001a", |
213 | .init = speyside_wm8996_init, | |
26e67811 MB |
214 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
215 | | SND_SOC_DAIFMT_CBM_CFM, | |
f9372c9c MB |
216 | .params = &dsp_codec_params, |
217 | .ignore_suspend = 1, | |
9b8dc66f | 218 | }, |
556e4fb1 MB |
219 | { |
220 | .name = "Baseband", | |
221 | .stream_name = "Baseband", | |
a9ba6151 | 222 | .cpu_dai_name = "wm8996-aif2", |
556e4fb1 MB |
223 | .codec_dai_name = "wm1250-ev1", |
224 | .codec_name = "wm1250-ev1.1-0027", | |
26e67811 MB |
225 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
226 | | SND_SOC_DAIFMT_CBM_CFM, | |
b7a5d14c | 227 | .ignore_suspend = 1, |
556e4fb1 | 228 | }, |
9b8dc66f MB |
229 | }; |
230 | ||
ea3e98e7 MB |
231 | static int speyside_wm9081_init(struct snd_soc_dapm_context *dapm) |
232 | { | |
ea3e98e7 | 233 | /* At any time the WM9081 is active it will have this clock */ |
da1c6ea6 | 234 | return snd_soc_codec_set_sysclk(dapm->codec, WM9081_SYSCLK_MCLK, 0, |
36281376 | 235 | MCLK_AUDIO_RATE, 0); |
ea3e98e7 MB |
236 | } |
237 | ||
238 | static struct snd_soc_aux_dev speyside_aux_dev[] = { | |
239 | { | |
240 | .name = "wm9081", | |
241 | .codec_name = "wm9081.1-006c", | |
242 | .init = speyside_wm9081_init, | |
243 | }, | |
244 | }; | |
245 | ||
246 | static struct snd_soc_codec_conf speyside_codec_conf[] = { | |
247 | { | |
248 | .dev_name = "wm9081.1-006c", | |
249 | .name_prefix = "Sub", | |
250 | }, | |
251 | }; | |
252 | ||
ea0e60de MB |
253 | static const struct snd_kcontrol_new controls[] = { |
254 | SOC_DAPM_PIN_SWITCH("Main Speaker"), | |
255 | SOC_DAPM_PIN_SWITCH("Main DMIC"), | |
256 | SOC_DAPM_PIN_SWITCH("Main AMIC"), | |
556e4fb1 MB |
257 | SOC_DAPM_PIN_SWITCH("WM1250 Input"), |
258 | SOC_DAPM_PIN_SWITCH("WM1250 Output"), | |
68d5a59e | 259 | SOC_DAPM_PIN_SWITCH("Headphone"), |
ea0e60de MB |
260 | }; |
261 | ||
ecfb1adf MB |
262 | static struct snd_soc_dapm_widget widgets[] = { |
263 | SND_SOC_DAPM_HP("Headphone", NULL), | |
68688e78 | 264 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
ecfb1adf MB |
265 | |
266 | SND_SOC_DAPM_SPK("Main Speaker", NULL), | |
267 | ||
268 | SND_SOC_DAPM_MIC("Main AMIC", NULL), | |
269 | SND_SOC_DAPM_MIC("Main DMIC", NULL), | |
270 | }; | |
271 | ||
272 | static struct snd_soc_dapm_route audio_paths[] = { | |
68688e78 MB |
273 | { "IN1RN", NULL, "MICB1" }, |
274 | { "IN1RP", NULL, "MICB1" }, | |
275 | { "IN1RN", NULL, "MICB2" }, | |
276 | { "IN1RP", NULL, "MICB2" }, | |
277 | { "MICB1", NULL, "Headset Mic", speyside_get_micbias }, | |
278 | { "MICB2", NULL, "Headset Mic", speyside_get_micbias }, | |
279 | ||
ecfb1adf | 280 | { "IN1LP", NULL, "MICB2" }, |
68688e78 | 281 | { "IN1RN", NULL, "MICB1" }, |
ecfb1adf MB |
282 | { "MICB2", NULL, "Main AMIC" }, |
283 | ||
284 | { "DMIC1DAT", NULL, "MICB1" }, | |
285 | { "DMIC2DAT", NULL, "MICB1" }, | |
286 | { "MICB1", NULL, "Main DMIC" }, | |
287 | ||
288 | { "Headphone", NULL, "HPOUT1L" }, | |
289 | { "Headphone", NULL, "HPOUT1R" }, | |
290 | ||
ea3e98e7 MB |
291 | { "Sub IN1", NULL, "HPOUT2L" }, |
292 | { "Sub IN2", NULL, "HPOUT2R" }, | |
293 | ||
294 | { "Main Speaker", NULL, "Sub SPKN" }, | |
295 | { "Main Speaker", NULL, "Sub SPKP" }, | |
ecfb1adf MB |
296 | { "Main Speaker", NULL, "SPKDAT" }, |
297 | }; | |
298 | ||
9b8dc66f MB |
299 | static struct snd_soc_card speyside = { |
300 | .name = "Speyside", | |
095d79dc | 301 | .owner = THIS_MODULE, |
9b8dc66f MB |
302 | .dai_link = speyside_dai, |
303 | .num_links = ARRAY_SIZE(speyside_dai), | |
ea3e98e7 MB |
304 | .aux_dev = speyside_aux_dev, |
305 | .num_aux_devs = ARRAY_SIZE(speyside_aux_dev), | |
306 | .codec_conf = speyside_codec_conf, | |
307 | .num_configs = ARRAY_SIZE(speyside_codec_conf), | |
ecfb1adf | 308 | |
ea0a591a | 309 | .set_bias_level = speyside_set_bias_level, |
995e54f5 | 310 | .set_bias_level_post = speyside_set_bias_level_post, |
ea0a591a | 311 | |
ea0e60de MB |
312 | .controls = controls, |
313 | .num_controls = ARRAY_SIZE(controls), | |
ecfb1adf MB |
314 | .dapm_widgets = widgets, |
315 | .num_dapm_widgets = ARRAY_SIZE(widgets), | |
316 | .dapm_routes = audio_paths, | |
317 | .num_dapm_routes = ARRAY_SIZE(audio_paths), | |
39afd66c | 318 | .fully_routed = true, |
b7a5d14c MB |
319 | |
320 | .late_probe = speyside_late_probe, | |
9b8dc66f MB |
321 | }; |
322 | ||
fdca21ad | 323 | static int speyside_probe(struct platform_device *pdev) |
9b8dc66f MB |
324 | { |
325 | struct snd_soc_card *card = &speyside; | |
326 | int ret; | |
327 | ||
328 | card->dev = &pdev->dev; | |
329 | ||
c583883e TB |
330 | ret = devm_snd_soc_register_card(&pdev->dev, card); |
331 | if (ret) | |
9b8dc66f MB |
332 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
333 | ret); | |
9b8dc66f | 334 | |
c583883e | 335 | return ret; |
9b8dc66f MB |
336 | } |
337 | ||
338 | static struct platform_driver speyside_driver = { | |
339 | .driver = { | |
340 | .name = "speyside", | |
341 | .owner = THIS_MODULE, | |
342 | .pm = &snd_soc_pm_ops, | |
343 | }, | |
344 | .probe = speyside_probe, | |
9b8dc66f MB |
345 | }; |
346 | ||
e00c3f55 | 347 | module_platform_driver(speyside_driver); |
9b8dc66f MB |
348 | |
349 | MODULE_DESCRIPTION("Speyside audio support"); | |
350 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
351 | MODULE_LICENSE("GPL"); | |
352 | MODULE_ALIAS("platform:speyside"); |