Commit | Line | Data |
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b545dd92 MB |
1 | /* |
2 | * Bells audio support | |
3 | * | |
4 | * Copyright 2012 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> | |
14 | #include <sound/jack.h> | |
15 | #include <linux/gpio.h> | |
16 | #include <linux/module.h> | |
17 | ||
18 | #include "../codecs/wm5102.h" | |
19 | #include "../codecs/wm9081.h" | |
20 | ||
b545dd92 MB |
21 | /* BCLK2 is fixed at this currently */ |
22 | #define BCLK2_RATE (64 * 8000) | |
23 | ||
24 | /* | |
25 | * Expect a 24.576MHz crystal if one is fitted (the driver will function | |
26 | * if this is not fitted). | |
27 | */ | |
28 | #define MCLK_RATE 24576000 | |
29 | ||
344c5ede | 30 | #define SYS_AUDIO_RATE 44100 |
208229ec | 31 | #define SYS_MCLK_RATE (SYS_AUDIO_RATE * 512) |
344c5ede MB |
32 | |
33 | #define DAI_AP_DSP 0 | |
34 | #define DAI_DSP_CODEC 1 | |
35 | #define DAI_CODEC_CP 2 | |
36 | #define DAI_CODEC_SUB 3 | |
b545dd92 | 37 | |
b1387078 MB |
38 | struct bells_drvdata { |
39 | int sysclk_rate; | |
40 | int asyncclk_rate; | |
41 | }; | |
42 | ||
8d47e8a5 MB |
43 | static struct bells_drvdata wm2200_drvdata = { |
44 | .sysclk_rate = 22579200, | |
45 | }; | |
46 | ||
b1387078 MB |
47 | static struct bells_drvdata wm5102_drvdata = { |
48 | .sysclk_rate = 45158400, | |
49 | .asyncclk_rate = 49152000, | |
50 | }; | |
51 | ||
52 | static struct bells_drvdata wm5110_drvdata = { | |
53 | .sysclk_rate = 135475200, | |
54 | .asyncclk_rate = 147456000, | |
55 | }; | |
56 | ||
b545dd92 MB |
57 | static int bells_set_bias_level(struct snd_soc_card *card, |
58 | struct snd_soc_dapm_context *dapm, | |
59 | enum snd_soc_bias_level level) | |
60 | { | |
344c5ede | 61 | struct snd_soc_dai *codec_dai = card->rtd[DAI_DSP_CODEC].codec_dai; |
b545dd92 | 62 | struct snd_soc_codec *codec = codec_dai->codec; |
b1387078 | 63 | struct bells_drvdata *bells = card->drvdata; |
b545dd92 MB |
64 | int ret; |
65 | ||
66 | if (dapm->dev != codec_dai->dev) | |
67 | return 0; | |
68 | ||
69 | switch (level) { | |
70 | case SND_SOC_BIAS_PREPARE: | |
b1387078 MB |
71 | if (dapm->bias_level != SND_SOC_BIAS_STANDBY) |
72 | break; | |
b545dd92 | 73 | |
b1387078 MB |
74 | ret = snd_soc_codec_set_pll(codec, WM5102_FLL1, |
75 | ARIZONA_FLL_SRC_MCLK1, | |
76 | MCLK_RATE, | |
77 | bells->sysclk_rate); | |
78 | if (ret < 0) | |
79 | pr_err("Failed to start FLL: %d\n", ret); | |
80 | ||
81 | if (bells->asyncclk_rate) { | |
b545dd92 MB |
82 | ret = snd_soc_codec_set_pll(codec, WM5102_FLL2, |
83 | ARIZONA_FLL_SRC_AIF2BCLK, | |
84 | BCLK2_RATE, | |
b1387078 | 85 | bells->asyncclk_rate); |
b545dd92 MB |
86 | if (ret < 0) |
87 | pr_err("Failed to start FLL: %d\n", ret); | |
88 | } | |
89 | break; | |
90 | ||
91 | default: | |
92 | break; | |
93 | } | |
94 | ||
95 | return 0; | |
96 | } | |
97 | ||
98 | static int bells_set_bias_level_post(struct snd_soc_card *card, | |
99 | struct snd_soc_dapm_context *dapm, | |
100 | enum snd_soc_bias_level level) | |
101 | { | |
344c5ede | 102 | struct snd_soc_dai *codec_dai = card->rtd[DAI_DSP_CODEC].codec_dai; |
b545dd92 | 103 | struct snd_soc_codec *codec = codec_dai->codec; |
b1387078 | 104 | struct bells_drvdata *bells = card->drvdata; |
b545dd92 MB |
105 | int ret; |
106 | ||
107 | if (dapm->dev != codec_dai->dev) | |
108 | return 0; | |
109 | ||
110 | switch (level) { | |
111 | case SND_SOC_BIAS_STANDBY: | |
112 | ret = snd_soc_codec_set_pll(codec, WM5102_FLL1, 0, 0, 0); | |
113 | if (ret < 0) { | |
114 | pr_err("Failed to stop FLL: %d\n", ret); | |
115 | return ret; | |
116 | } | |
117 | ||
b1387078 MB |
118 | if (bells->asyncclk_rate) { |
119 | ret = snd_soc_codec_set_pll(codec, WM5102_FLL2, | |
120 | 0, 0, 0); | |
121 | if (ret < 0) { | |
122 | pr_err("Failed to stop FLL: %d\n", ret); | |
123 | return ret; | |
124 | } | |
b545dd92 MB |
125 | } |
126 | break; | |
127 | ||
128 | default: | |
129 | break; | |
130 | } | |
131 | ||
132 | dapm->bias_level = level; | |
133 | ||
134 | return 0; | |
135 | } | |
136 | ||
137 | static int bells_late_probe(struct snd_soc_card *card) | |
138 | { | |
b1387078 | 139 | struct bells_drvdata *bells = card->drvdata; |
344c5ede MB |
140 | struct snd_soc_codec *wm0010 = card->rtd[DAI_AP_DSP].codec; |
141 | struct snd_soc_codec *codec = card->rtd[DAI_DSP_CODEC].codec; | |
142 | struct snd_soc_dai *aif1_dai = card->rtd[DAI_DSP_CODEC].codec_dai; | |
b1387078 MB |
143 | struct snd_soc_dai *aif2_dai; |
144 | struct snd_soc_dai *aif3_dai; | |
145 | struct snd_soc_dai *wm9081_dai; | |
b545dd92 MB |
146 | int ret; |
147 | ||
b1387078 MB |
148 | ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_SYSCLK, |
149 | ARIZONA_CLK_SRC_FLL1, | |
150 | bells->sysclk_rate, | |
151 | SND_SOC_CLOCK_IN); | |
152 | if (ret != 0) { | |
153 | dev_err(codec->dev, "Failed to set SYSCLK: %d\n", ret); | |
154 | return ret; | |
155 | } | |
156 | ||
344c5ede MB |
157 | ret = snd_soc_codec_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0); |
158 | if (ret != 0) { | |
159 | dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret); | |
160 | return ret; | |
161 | } | |
162 | ||
b545dd92 | 163 | ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0); |
b1387078 | 164 | if (ret != 0) |
b545dd92 | 165 | dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret); |
b545dd92 | 166 | |
b1387078 MB |
167 | ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_OPCLK, 0, |
168 | SYS_MCLK_RATE, SND_SOC_CLOCK_OUT); | |
169 | if (ret != 0) | |
170 | dev_err(codec->dev, "Failed to set OPCLK: %d\n", ret); | |
b545dd92 | 171 | |
b1387078 MB |
172 | if (card->num_rtd == DAI_CODEC_CP) |
173 | return 0; | |
b545dd92 | 174 | |
b1387078 MB |
175 | ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_ASYNCCLK, |
176 | ARIZONA_CLK_SRC_FLL2, | |
177 | bells->asyncclk_rate, | |
b545dd92 MB |
178 | SND_SOC_CLOCK_IN); |
179 | if (ret != 0) { | |
b1387078 | 180 | dev_err(codec->dev, "Failed to set ASYNCCLK: %d\n", ret); |
b545dd92 MB |
181 | return ret; |
182 | } | |
183 | ||
b1387078 MB |
184 | aif2_dai = card->rtd[DAI_CODEC_CP].cpu_dai; |
185 | ||
186 | ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0); | |
b545dd92 | 187 | if (ret != 0) { |
b1387078 | 188 | dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret); |
b545dd92 MB |
189 | return ret; |
190 | } | |
191 | ||
b1387078 MB |
192 | if (card->num_rtd == DAI_CODEC_SUB) |
193 | return 0; | |
194 | ||
195 | aif3_dai = card->rtd[DAI_CODEC_SUB].cpu_dai; | |
196 | wm9081_dai = card->rtd[DAI_CODEC_SUB].codec_dai; | |
197 | ||
198 | ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0); | |
b545dd92 | 199 | if (ret != 0) { |
b1387078 | 200 | dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret); |
b545dd92 MB |
201 | return ret; |
202 | } | |
203 | ||
204 | ret = snd_soc_codec_set_sysclk(wm9081_dai->codec, WM9081_SYSCLK_MCLK, | |
344c5ede | 205 | 0, SYS_MCLK_RATE, 0); |
b545dd92 MB |
206 | if (ret != 0) { |
207 | dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret); | |
208 | return ret; | |
209 | } | |
210 | ||
211 | return 0; | |
212 | } | |
213 | ||
214 | static const struct snd_soc_pcm_stream baseband_params = { | |
215 | .formats = SNDRV_PCM_FMTBIT_S32_LE, | |
216 | .rate_min = 8000, | |
217 | .rate_max = 8000, | |
218 | .channels_min = 2, | |
219 | .channels_max = 2, | |
220 | }; | |
221 | ||
222 | static const struct snd_soc_pcm_stream sub_params = { | |
223 | .formats = SNDRV_PCM_FMTBIT_S32_LE, | |
344c5ede MB |
224 | .rate_min = SYS_AUDIO_RATE, |
225 | .rate_max = SYS_AUDIO_RATE, | |
b545dd92 MB |
226 | .channels_min = 2, |
227 | .channels_max = 2, | |
228 | }; | |
229 | ||
8d47e8a5 MB |
230 | static struct snd_soc_dai_link bells_dai_wm2200[] = { |
231 | { | |
232 | .name = "CPU-DSP", | |
233 | .stream_name = "CPU-DSP", | |
234 | .cpu_dai_name = "samsung-i2s.0", | |
235 | .codec_dai_name = "wm0010-sdi1", | |
a08485d8 | 236 | .platform_name = "samsung-i2s.0", |
8d47e8a5 MB |
237 | .codec_name = "spi0.0", |
238 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
239 | | SND_SOC_DAIFMT_CBM_CFM, | |
240 | }, | |
241 | { | |
242 | .name = "DSP-CODEC", | |
243 | .stream_name = "DSP-CODEC", | |
244 | .cpu_dai_name = "wm0010-sdi2", | |
245 | .codec_dai_name = "wm2200", | |
246 | .codec_name = "wm2200.1-003a", | |
247 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
248 | | SND_SOC_DAIFMT_CBM_CFM, | |
249 | .params = &sub_params, | |
250 | .ignore_suspend = 1, | |
251 | }, | |
252 | }; | |
253 | ||
b545dd92 MB |
254 | static struct snd_soc_dai_link bells_dai_wm5102[] = { |
255 | { | |
344c5ede MB |
256 | .name = "CPU-DSP", |
257 | .stream_name = "CPU-DSP", | |
b545dd92 | 258 | .cpu_dai_name = "samsung-i2s.0", |
344c5ede | 259 | .codec_dai_name = "wm0010-sdi1", |
a08485d8 | 260 | .platform_name = "samsung-i2s.0", |
344c5ede MB |
261 | .codec_name = "spi0.0", |
262 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
263 | | SND_SOC_DAIFMT_CBM_CFM, | |
264 | }, | |
265 | { | |
266 | .name = "DSP-CODEC", | |
267 | .stream_name = "DSP-CODEC", | |
268 | .cpu_dai_name = "wm0010-sdi2", | |
269 | .codec_dai_name = "wm5102-aif1", | |
b545dd92 MB |
270 | .codec_name = "wm5102-codec", |
271 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
272 | | SND_SOC_DAIFMT_CBM_CFM, | |
344c5ede MB |
273 | .params = &sub_params, |
274 | .ignore_suspend = 1, | |
b545dd92 MB |
275 | }, |
276 | { | |
277 | .name = "Baseband", | |
278 | .stream_name = "Baseband", | |
279 | .cpu_dai_name = "wm5102-aif2", | |
280 | .codec_dai_name = "wm1250-ev1", | |
281 | .codec_name = "wm1250-ev1.1-0027", | |
282 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
283 | | SND_SOC_DAIFMT_CBM_CFM, | |
284 | .ignore_suspend = 1, | |
285 | .params = &baseband_params, | |
286 | }, | |
287 | { | |
288 | .name = "Sub", | |
289 | .stream_name = "Sub", | |
290 | .cpu_dai_name = "wm5102-aif3", | |
291 | .codec_dai_name = "wm9081-hifi", | |
292 | .codec_name = "wm9081.1-006c", | |
293 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
294 | | SND_SOC_DAIFMT_CBS_CFS, | |
295 | .ignore_suspend = 1, | |
296 | .params = &sub_params, | |
297 | }, | |
298 | }; | |
299 | ||
300 | static struct snd_soc_dai_link bells_dai_wm5110[] = { | |
301 | { | |
344c5ede MB |
302 | .name = "CPU-DSP", |
303 | .stream_name = "CPU-DSP", | |
b545dd92 | 304 | .cpu_dai_name = "samsung-i2s.0", |
344c5ede | 305 | .codec_dai_name = "wm0010-sdi1", |
a08485d8 | 306 | .platform_name = "samsung-i2s.0", |
344c5ede MB |
307 | .codec_name = "spi0.0", |
308 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
309 | | SND_SOC_DAIFMT_CBM_CFM, | |
310 | }, | |
311 | { | |
312 | .name = "DSP-CODEC", | |
313 | .stream_name = "DSP-CODEC", | |
314 | .cpu_dai_name = "wm0010-sdi2", | |
315 | .codec_dai_name = "wm5110-aif1", | |
b545dd92 MB |
316 | .codec_name = "wm5110-codec", |
317 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
318 | | SND_SOC_DAIFMT_CBM_CFM, | |
344c5ede MB |
319 | .params = &sub_params, |
320 | .ignore_suspend = 1, | |
b545dd92 MB |
321 | }, |
322 | { | |
323 | .name = "Baseband", | |
324 | .stream_name = "Baseband", | |
325 | .cpu_dai_name = "wm5110-aif2", | |
326 | .codec_dai_name = "wm1250-ev1", | |
327 | .codec_name = "wm1250-ev1.1-0027", | |
328 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
329 | | SND_SOC_DAIFMT_CBM_CFM, | |
330 | .ignore_suspend = 1, | |
331 | .params = &baseband_params, | |
332 | }, | |
333 | { | |
334 | .name = "Sub", | |
335 | .stream_name = "Sub", | |
ffaa839b | 336 | .cpu_dai_name = "wm5110-aif3", |
b545dd92 MB |
337 | .codec_dai_name = "wm9081-hifi", |
338 | .codec_name = "wm9081.1-006c", | |
339 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
340 | | SND_SOC_DAIFMT_CBS_CFS, | |
341 | .ignore_suspend = 1, | |
342 | .params = &sub_params, | |
343 | }, | |
344 | }; | |
345 | ||
346 | static struct snd_soc_codec_conf bells_codec_conf[] = { | |
347 | { | |
348 | .dev_name = "wm9081.1-006c", | |
349 | .name_prefix = "Sub", | |
350 | }, | |
351 | }; | |
352 | ||
939d3c6a CK |
353 | static struct snd_soc_dapm_widget bells_widgets[] = { |
354 | SND_SOC_DAPM_MIC("DMIC", NULL), | |
355 | }; | |
356 | ||
b545dd92 MB |
357 | static struct snd_soc_dapm_route bells_routes[] = { |
358 | { "Sub CLK_SYS", NULL, "OPCLK" }, | |
b3a6006e | 359 | { "CLKIN", NULL, "OPCLK" }, |
939d3c6a CK |
360 | |
361 | { "DMIC", NULL, "MICBIAS2" }, | |
362 | { "IN2L", NULL, "DMIC" }, | |
363 | { "IN2R", NULL, "DMIC" }, | |
b545dd92 MB |
364 | }; |
365 | ||
366 | static struct snd_soc_card bells_cards[] = { | |
8d47e8a5 MB |
367 | { |
368 | .name = "Bells WM2200", | |
369 | .owner = THIS_MODULE, | |
370 | .dai_link = bells_dai_wm2200, | |
371 | .num_links = ARRAY_SIZE(bells_dai_wm2200), | |
372 | .codec_conf = bells_codec_conf, | |
373 | .num_configs = ARRAY_SIZE(bells_codec_conf), | |
374 | ||
375 | .late_probe = bells_late_probe, | |
376 | ||
939d3c6a CK |
377 | .dapm_widgets = bells_widgets, |
378 | .num_dapm_widgets = ARRAY_SIZE(bells_widgets), | |
8d47e8a5 MB |
379 | .dapm_routes = bells_routes, |
380 | .num_dapm_routes = ARRAY_SIZE(bells_routes), | |
381 | ||
382 | .set_bias_level = bells_set_bias_level, | |
383 | .set_bias_level_post = bells_set_bias_level_post, | |
384 | ||
385 | .drvdata = &wm2200_drvdata, | |
386 | }, | |
b545dd92 MB |
387 | { |
388 | .name = "Bells WM5102", | |
389 | .owner = THIS_MODULE, | |
390 | .dai_link = bells_dai_wm5102, | |
391 | .num_links = ARRAY_SIZE(bells_dai_wm5102), | |
392 | .codec_conf = bells_codec_conf, | |
393 | .num_configs = ARRAY_SIZE(bells_codec_conf), | |
394 | ||
395 | .late_probe = bells_late_probe, | |
396 | ||
939d3c6a CK |
397 | .dapm_widgets = bells_widgets, |
398 | .num_dapm_widgets = ARRAY_SIZE(bells_widgets), | |
b545dd92 MB |
399 | .dapm_routes = bells_routes, |
400 | .num_dapm_routes = ARRAY_SIZE(bells_routes), | |
401 | ||
402 | .set_bias_level = bells_set_bias_level, | |
403 | .set_bias_level_post = bells_set_bias_level_post, | |
b1387078 MB |
404 | |
405 | .drvdata = &wm5102_drvdata, | |
b545dd92 MB |
406 | }, |
407 | { | |
408 | .name = "Bells WM5110", | |
409 | .owner = THIS_MODULE, | |
410 | .dai_link = bells_dai_wm5110, | |
411 | .num_links = ARRAY_SIZE(bells_dai_wm5110), | |
412 | .codec_conf = bells_codec_conf, | |
413 | .num_configs = ARRAY_SIZE(bells_codec_conf), | |
414 | ||
415 | .late_probe = bells_late_probe, | |
416 | ||
939d3c6a CK |
417 | .dapm_widgets = bells_widgets, |
418 | .num_dapm_widgets = ARRAY_SIZE(bells_widgets), | |
b545dd92 MB |
419 | .dapm_routes = bells_routes, |
420 | .num_dapm_routes = ARRAY_SIZE(bells_routes), | |
421 | ||
422 | .set_bias_level = bells_set_bias_level, | |
423 | .set_bias_level_post = bells_set_bias_level_post, | |
b1387078 MB |
424 | |
425 | .drvdata = &wm5110_drvdata, | |
b545dd92 MB |
426 | }, |
427 | }; | |
428 | ||
429 | ||
fdca21ad | 430 | static int bells_probe(struct platform_device *pdev) |
b545dd92 MB |
431 | { |
432 | int ret; | |
433 | ||
434 | bells_cards[pdev->id].dev = &pdev->dev; | |
435 | ||
c583883e TB |
436 | ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]); |
437 | if (ret) | |
b545dd92 MB |
438 | dev_err(&pdev->dev, |
439 | "snd_soc_register_card(%s) failed: %d\n", | |
440 | bells_cards[pdev->id].name, ret); | |
b545dd92 | 441 | |
c583883e | 442 | return ret; |
b545dd92 MB |
443 | } |
444 | ||
445 | static struct platform_driver bells_driver = { | |
446 | .driver = { | |
447 | .name = "bells", | |
b545dd92 MB |
448 | .pm = &snd_soc_pm_ops, |
449 | }, | |
450 | .probe = bells_probe, | |
b545dd92 MB |
451 | }; |
452 | ||
453 | module_platform_driver(bells_driver); | |
454 | ||
455 | MODULE_DESCRIPTION("Bells audio support"); | |
456 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
457 | MODULE_LICENSE("GPL"); | |
458 | MODULE_ALIAS("platform:bells"); |