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"
22 * 44.1kHz based clocks for the SYSCLK domain, use a very high clock
23 * to allow all the DSP functionality to be enabled if desired.
25 #define SYSCLK_RATE (44100 * 1024)
27 /* 48kHz based clocks for the ASYNC domain */
28 #define ASYNCCLK_RATE (48000 * 512)
30 /* BCLK2 is fixed at this currently */
31 #define BCLK2_RATE (64 * 8000)
34 * Expect a 24.576MHz crystal if one is fitted (the driver will function
35 * if this is not fitted).
37 #define MCLK_RATE 24576000
39 #define WM9081_AUDIO_RATE 44100
40 #define WM9081_MCLK_RATE (WM9081_AUDIO_RATE * 256)
42 static int bells_set_bias_level(struct snd_soc_card
*card
,
43 struct snd_soc_dapm_context
*dapm
,
44 enum snd_soc_bias_level level
)
46 struct snd_soc_dai
*codec_dai
= card
->rtd
[0].codec_dai
;
47 struct snd_soc_codec
*codec
= codec_dai
->codec
;
50 if (dapm
->dev
!= codec_dai
->dev
)
54 case SND_SOC_BIAS_PREPARE
:
55 if (dapm
->bias_level
== SND_SOC_BIAS_STANDBY
) {
56 ret
= snd_soc_codec_set_pll(codec
, WM5102_FLL1
,
57 ARIZONA_FLL_SRC_MCLK1
,
61 pr_err("Failed to start FLL: %d\n", ret
);
63 ret
= snd_soc_codec_set_pll(codec
, WM5102_FLL2
,
64 ARIZONA_FLL_SRC_AIF2BCLK
,
68 pr_err("Failed to start FLL: %d\n", ret
);
79 static int bells_set_bias_level_post(struct snd_soc_card
*card
,
80 struct snd_soc_dapm_context
*dapm
,
81 enum snd_soc_bias_level level
)
83 struct snd_soc_dai
*codec_dai
= card
->rtd
[0].codec_dai
;
84 struct snd_soc_codec
*codec
= codec_dai
->codec
;
87 if (dapm
->dev
!= codec_dai
->dev
)
91 case SND_SOC_BIAS_STANDBY
:
92 ret
= snd_soc_codec_set_pll(codec
, WM5102_FLL1
, 0, 0, 0);
94 pr_err("Failed to stop FLL: %d\n", ret
);
98 ret
= snd_soc_codec_set_pll(codec
, WM5102_FLL2
, 0, 0, 0);
100 pr_err("Failed to stop FLL: %d\n", ret
);
109 dapm
->bias_level
= level
;
114 static int bells_late_probe(struct snd_soc_card
*card
)
116 struct snd_soc_codec
*codec
= card
->rtd
[0].codec
;
117 struct snd_soc_dai
*aif1_dai
= card
->rtd
[0].codec_dai
;
118 struct snd_soc_dai
*aif2_dai
= card
->rtd
[1].cpu_dai
;
119 struct snd_soc_dai
*aif3_dai
= card
->rtd
[2].cpu_dai
;
120 struct snd_soc_dai
*wm9081_dai
= card
->rtd
[2].codec_dai
;
123 ret
= snd_soc_dai_set_sysclk(aif1_dai
, ARIZONA_CLK_SYSCLK
, 0, 0);
125 dev_err(aif1_dai
->dev
, "Failed to set AIF1 clock: %d\n", ret
);
129 ret
= snd_soc_dai_set_sysclk(aif2_dai
, ARIZONA_CLK_ASYNCCLK
, 0, 0);
131 dev_err(aif2_dai
->dev
, "Failed to set AIF2 clock: %d\n", ret
);
135 ret
= snd_soc_dai_set_sysclk(aif3_dai
, ARIZONA_CLK_SYSCLK
, 0, 0);
137 dev_err(aif1_dai
->dev
, "Failed to set AIF1 clock: %d\n", ret
);
141 ret
= snd_soc_codec_set_sysclk(codec
, ARIZONA_CLK_SYSCLK
,
142 ARIZONA_CLK_SRC_FLL1
, SYSCLK_RATE
,
145 dev_err(codec
->dev
, "Failed to set SYSCLK: %d\n", ret
);
149 ret
= snd_soc_codec_set_sysclk(codec
, ARIZONA_CLK_OPCLK
, 0,
150 WM9081_MCLK_RATE
, SND_SOC_CLOCK_OUT
);
152 dev_err(codec
->dev
, "Failed to set OPCLK: %d\n", ret
);
156 ret
= snd_soc_codec_set_sysclk(codec
, ARIZONA_CLK_ASYNCCLK
,
157 ARIZONA_CLK_SRC_FLL2
, ASYNCCLK_RATE
,
160 dev_err(codec
->dev
, "Failed to set SYSCLK: %d\n", ret
);
164 ret
= snd_soc_codec_set_sysclk(wm9081_dai
->codec
, WM9081_SYSCLK_MCLK
,
165 0, WM9081_MCLK_RATE
, 0);
167 dev_err(wm9081_dai
->dev
, "Failed to set MCLK: %d\n", ret
);
174 static const struct snd_soc_pcm_stream baseband_params
= {
175 .formats
= SNDRV_PCM_FMTBIT_S32_LE
,
182 static const struct snd_soc_pcm_stream sub_params
= {
183 .formats
= SNDRV_PCM_FMTBIT_S32_LE
,
184 .rate_min
= WM9081_AUDIO_RATE
,
185 .rate_max
= WM9081_AUDIO_RATE
,
190 static struct snd_soc_dai_link bells_dai_wm5102
[] = {
193 .stream_name
= "CPU",
194 .cpu_dai_name
= "samsung-i2s.0",
195 .codec_dai_name
= "wm5102-aif1",
196 .platform_name
= "samsung-audio",
197 .codec_name
= "wm5102-codec",
198 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
199 | SND_SOC_DAIFMT_CBM_CFM
,
203 .stream_name
= "Baseband",
204 .cpu_dai_name
= "wm5102-aif2",
205 .codec_dai_name
= "wm1250-ev1",
206 .codec_name
= "wm1250-ev1.1-0027",
207 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
208 | SND_SOC_DAIFMT_CBM_CFM
,
210 .params
= &baseband_params
,
214 .stream_name
= "Sub",
215 .cpu_dai_name
= "wm5102-aif3",
216 .codec_dai_name
= "wm9081-hifi",
217 .codec_name
= "wm9081.1-006c",
218 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
219 | SND_SOC_DAIFMT_CBS_CFS
,
221 .params
= &sub_params
,
225 static struct snd_soc_dai_link bells_dai_wm5110
[] = {
228 .stream_name
= "CPU",
229 .cpu_dai_name
= "samsung-i2s.0",
230 .codec_dai_name
= "wm5110-aif1",
231 .platform_name
= "samsung-audio",
232 .codec_name
= "wm5110-codec",
233 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
234 | SND_SOC_DAIFMT_CBM_CFM
,
238 .stream_name
= "Baseband",
239 .cpu_dai_name
= "wm5110-aif2",
240 .codec_dai_name
= "wm1250-ev1",
241 .codec_name
= "wm1250-ev1.1-0027",
242 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
243 | SND_SOC_DAIFMT_CBM_CFM
,
245 .params
= &baseband_params
,
249 .stream_name
= "Sub",
250 .cpu_dai_name
= "wm5102-aif3",
251 .codec_dai_name
= "wm9081-hifi",
252 .codec_name
= "wm9081.1-006c",
253 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
254 | SND_SOC_DAIFMT_CBS_CFS
,
256 .params
= &sub_params
,
260 static struct snd_soc_codec_conf bells_codec_conf
[] = {
262 .dev_name
= "wm9081.1-006c",
263 .name_prefix
= "Sub",
267 static struct snd_soc_dapm_route bells_routes
[] = {
268 { "Sub CLK_SYS", NULL
, "OPCLK" },
271 static struct snd_soc_card bells_cards
[] = {
273 .name
= "Bells WM5102",
274 .owner
= THIS_MODULE
,
275 .dai_link
= bells_dai_wm5102
,
276 .num_links
= ARRAY_SIZE(bells_dai_wm5102
),
277 .codec_conf
= bells_codec_conf
,
278 .num_configs
= ARRAY_SIZE(bells_codec_conf
),
280 .late_probe
= bells_late_probe
,
282 .dapm_routes
= bells_routes
,
283 .num_dapm_routes
= ARRAY_SIZE(bells_routes
),
285 .set_bias_level
= bells_set_bias_level
,
286 .set_bias_level_post
= bells_set_bias_level_post
,
289 .name
= "Bells WM5110",
290 .owner
= THIS_MODULE
,
291 .dai_link
= bells_dai_wm5110
,
292 .num_links
= ARRAY_SIZE(bells_dai_wm5110
),
293 .codec_conf
= bells_codec_conf
,
294 .num_configs
= ARRAY_SIZE(bells_codec_conf
),
296 .late_probe
= bells_late_probe
,
298 .dapm_routes
= bells_routes
,
299 .num_dapm_routes
= ARRAY_SIZE(bells_routes
),
301 .set_bias_level
= bells_set_bias_level
,
302 .set_bias_level_post
= bells_set_bias_level_post
,
307 static __devinit
int bells_probe(struct platform_device
*pdev
)
311 bells_cards
[pdev
->id
].dev
= &pdev
->dev
;
313 ret
= snd_soc_register_card(&bells_cards
[pdev
->id
]);
316 "snd_soc_register_card(%s) failed: %d\n",
317 bells_cards
[pdev
->id
].name
, ret
);
324 static int __devexit
bells_remove(struct platform_device
*pdev
)
326 snd_soc_unregister_card(&bells_cards
[pdev
->id
]);
331 static struct platform_driver bells_driver
= {
334 .owner
= THIS_MODULE
,
335 .pm
= &snd_soc_pm_ops
,
337 .probe
= bells_probe
,
338 .remove
= __devexit_p(bells_remove
),
341 module_platform_driver(bells_driver
);
343 MODULE_DESCRIPTION("Bells audio support");
344 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
345 MODULE_LICENSE("GPL");
346 MODULE_ALIAS("platform:bells");