4 * Copyright 2012 Wolfson Microelectronics
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.
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>
18 #include "../codecs/wm5102.h"
19 #include "../codecs/wm9081.h"
21 /* BCLK2 is fixed at this currently */
22 #define BCLK2_RATE (64 * 8000)
25 * Expect a 24.576MHz crystal if one is fitted (the driver will function
26 * if this is not fitted).
28 #define MCLK_RATE 24576000
30 #define SYS_AUDIO_RATE 44100
31 #define SYS_MCLK_RATE (SYS_AUDIO_RATE * 512)
34 #define DAI_DSP_CODEC 1
35 #define DAI_CODEC_CP 2
36 #define DAI_CODEC_SUB 3
38 struct bells_drvdata {
43 static struct bells_drvdata wm2200_drvdata = {
44 .sysclk_rate = 22579200,
47 static struct bells_drvdata wm5102_drvdata = {
48 .sysclk_rate = 45158400,
49 .asyncclk_rate = 49152000,
52 static struct bells_drvdata wm5110_drvdata = {
53 .sysclk_rate = 135475200,
54 .asyncclk_rate = 147456000,
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)
61 struct snd_soc_dai *codec_dai = card->rtd[DAI_DSP_CODEC].codec_dai;
62 struct snd_soc_codec *codec = codec_dai->codec;
63 struct bells_drvdata *bells = card->drvdata;
66 if (dapm->dev != codec_dai->dev)
70 case SND_SOC_BIAS_PREPARE:
71 if (dapm->bias_level != SND_SOC_BIAS_STANDBY)
74 ret = snd_soc_codec_set_pll(codec, WM5102_FLL1,
75 ARIZONA_FLL_SRC_MCLK1,
79 pr_err("Failed to start FLL: %d\n", ret);
81 if (bells->asyncclk_rate) {
82 ret = snd_soc_codec_set_pll(codec, WM5102_FLL2,
83 ARIZONA_FLL_SRC_AIF2BCLK,
85 bells->asyncclk_rate);
87 pr_err("Failed to start FLL: %d\n", ret);
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)
102 struct snd_soc_dai *codec_dai = card->rtd[DAI_DSP_CODEC].codec_dai;
103 struct snd_soc_codec *codec = codec_dai->codec;
104 struct bells_drvdata *bells = card->drvdata;
107 if (dapm->dev != codec_dai->dev)
111 case SND_SOC_BIAS_STANDBY:
112 ret = snd_soc_codec_set_pll(codec, WM5102_FLL1, 0, 0, 0);
114 pr_err("Failed to stop FLL: %d\n", ret);
118 if (bells->asyncclk_rate) {
119 ret = snd_soc_codec_set_pll(codec, WM5102_FLL2,
122 pr_err("Failed to stop FLL: %d\n", ret);
132 dapm->bias_level = level;
137 static int bells_late_probe(struct snd_soc_card *card)
139 struct bells_drvdata *bells = card->drvdata;
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;
143 struct snd_soc_dai *aif2_dai;
144 struct snd_soc_dai *aif3_dai;
145 struct snd_soc_dai *wm9081_dai;
148 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_SYSCLK,
149 ARIZONA_CLK_SRC_FLL1,
153 dev_err(codec->dev, "Failed to set SYSCLK: %d\n", ret);
157 ret = snd_soc_codec_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0);
159 dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret);
163 ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);
165 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
167 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_OPCLK, 0,
168 SYS_MCLK_RATE, SND_SOC_CLOCK_OUT);
170 dev_err(codec->dev, "Failed to set OPCLK: %d\n", ret);
172 if (card->num_rtd == DAI_CODEC_CP)
175 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_ASYNCCLK,
176 ARIZONA_CLK_SRC_FLL2,
177 bells->asyncclk_rate,
180 dev_err(codec->dev, "Failed to set ASYNCCLK: %d\n", ret);
184 aif2_dai = card->rtd[DAI_CODEC_CP].cpu_dai;
186 ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);
188 dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret);
192 if (card->num_rtd == DAI_CODEC_SUB)
195 aif3_dai = card->rtd[DAI_CODEC_SUB].cpu_dai;
196 wm9081_dai = card->rtd[DAI_CODEC_SUB].codec_dai;
198 ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0);
200 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
204 ret = snd_soc_codec_set_sysclk(wm9081_dai->codec, WM9081_SYSCLK_MCLK,
205 0, SYS_MCLK_RATE, 0);
207 dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret);
214 static const struct snd_soc_pcm_stream baseband_params = {
215 .formats = SNDRV_PCM_FMTBIT_S32_LE,
222 static const struct snd_soc_pcm_stream sub_params = {
223 .formats = SNDRV_PCM_FMTBIT_S32_LE,
224 .rate_min = SYS_AUDIO_RATE,
225 .rate_max = SYS_AUDIO_RATE,
230 static struct snd_soc_dai_link bells_dai_wm2200[] = {
233 .stream_name = "CPU-DSP",
234 .cpu_dai_name = "samsung-i2s.0",
235 .codec_dai_name = "wm0010-sdi1",
236 .platform_name = "samsung-i2s.0",
237 .codec_name = "spi0.0",
238 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
239 | SND_SOC_DAIFMT_CBM_CFM,
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,
254 static struct snd_soc_dai_link bells_dai_wm5102[] = {
257 .stream_name = "CPU-DSP",
258 .cpu_dai_name = "samsung-i2s.0",
259 .codec_dai_name = "wm0010-sdi1",
260 .platform_name = "samsung-i2s.0",
261 .codec_name = "spi0.0",
262 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
263 | SND_SOC_DAIFMT_CBM_CFM,
267 .stream_name = "DSP-CODEC",
268 .cpu_dai_name = "wm0010-sdi2",
269 .codec_dai_name = "wm5102-aif1",
270 .codec_name = "wm5102-codec",
271 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
272 | SND_SOC_DAIFMT_CBM_CFM,
273 .params = &sub_params,
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,
285 .params = &baseband_params,
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,
296 .params = &sub_params,
300 static struct snd_soc_dai_link bells_dai_wm5110[] = {
303 .stream_name = "CPU-DSP",
304 .cpu_dai_name = "samsung-i2s.0",
305 .codec_dai_name = "wm0010-sdi1",
306 .platform_name = "samsung-i2s.0",
307 .codec_name = "spi0.0",
308 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
309 | SND_SOC_DAIFMT_CBM_CFM,
313 .stream_name = "DSP-CODEC",
314 .cpu_dai_name = "wm0010-sdi2",
315 .codec_dai_name = "wm5110-aif1",
316 .codec_name = "wm5110-codec",
317 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
318 | SND_SOC_DAIFMT_CBM_CFM,
319 .params = &sub_params,
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,
331 .params = &baseband_params,
335 .stream_name = "Sub",
336 .cpu_dai_name = "wm5110-aif3",
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,
342 .params = &sub_params,
346 static struct snd_soc_codec_conf bells_codec_conf[] = {
348 .dev_name = "wm9081.1-006c",
349 .name_prefix = "Sub",
353 static struct snd_soc_dapm_route bells_routes[] = {
354 { "Sub CLK_SYS", NULL, "OPCLK" },
357 static struct snd_soc_card bells_cards[] = {
359 .name = "Bells WM2200",
360 .owner = THIS_MODULE,
361 .dai_link = bells_dai_wm2200,
362 .num_links = ARRAY_SIZE(bells_dai_wm2200),
363 .codec_conf = bells_codec_conf,
364 .num_configs = ARRAY_SIZE(bells_codec_conf),
366 .late_probe = bells_late_probe,
368 .dapm_routes = bells_routes,
369 .num_dapm_routes = ARRAY_SIZE(bells_routes),
371 .set_bias_level = bells_set_bias_level,
372 .set_bias_level_post = bells_set_bias_level_post,
374 .drvdata = &wm2200_drvdata,
377 .name = "Bells WM5102",
378 .owner = THIS_MODULE,
379 .dai_link = bells_dai_wm5102,
380 .num_links = ARRAY_SIZE(bells_dai_wm5102),
381 .codec_conf = bells_codec_conf,
382 .num_configs = ARRAY_SIZE(bells_codec_conf),
384 .late_probe = bells_late_probe,
386 .dapm_routes = bells_routes,
387 .num_dapm_routes = ARRAY_SIZE(bells_routes),
389 .set_bias_level = bells_set_bias_level,
390 .set_bias_level_post = bells_set_bias_level_post,
392 .drvdata = &wm5102_drvdata,
395 .name = "Bells WM5110",
396 .owner = THIS_MODULE,
397 .dai_link = bells_dai_wm5110,
398 .num_links = ARRAY_SIZE(bells_dai_wm5110),
399 .codec_conf = bells_codec_conf,
400 .num_configs = ARRAY_SIZE(bells_codec_conf),
402 .late_probe = bells_late_probe,
404 .dapm_routes = bells_routes,
405 .num_dapm_routes = ARRAY_SIZE(bells_routes),
407 .set_bias_level = bells_set_bias_level,
408 .set_bias_level_post = bells_set_bias_level_post,
410 .drvdata = &wm5110_drvdata,
415 static int bells_probe(struct platform_device *pdev)
419 bells_cards[pdev->id].dev = &pdev->dev;
421 ret = snd_soc_register_card(&bells_cards[pdev->id]);
424 "snd_soc_register_card(%s) failed: %d\n",
425 bells_cards[pdev->id].name, ret);
432 static int bells_remove(struct platform_device *pdev)
434 snd_soc_unregister_card(&bells_cards[pdev->id]);
439 static struct platform_driver bells_driver = {
442 .owner = THIS_MODULE,
443 .pm = &snd_soc_pm_ops,
445 .probe = bells_probe,
446 .remove = bells_remove,
449 module_platform_driver(bells_driver);
451 MODULE_DESCRIPTION("Bells audio support");
452 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
453 MODULE_LICENSE("GPL");
454 MODULE_ALIAS("platform:bells");