ASoC: Decouple DAPM from CODECs
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / soc / s3c24xx / aquila_wm8994.c
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1/*
2 * aquila_wm8994.c
3 *
4 * Copyright (C) 2010 Samsung Electronics Co.Ltd
5 * Author: Chanwoo Choi <cw00.choi@samsung.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 *
12 */
13
14#include <linux/module.h>
15#include <linux/moduleparam.h>
16#include <linux/io.h>
17#include <linux/platform_device.h>
18#include <sound/soc.h>
19#include <sound/soc-dapm.h>
20#include <sound/jack.h>
21#include <asm/mach-types.h>
22#include <mach/gpio.h>
23#include <mach/regs-clock.h>
24
25#include <linux/mfd/wm8994/core.h>
26#include <linux/mfd/wm8994/registers.h>
27#include "../codecs/wm8994.h"
28#include "s3c-dma.h"
29#include "s3c64xx-i2s.h"
30
31static struct snd_soc_card aquila;
32static struct platform_device *aquila_snd_device;
33
34/* 3.5 pie jack */
35static struct snd_soc_jack jack;
36
37/* 3.5 pie jack detection DAPM pins */
38static struct snd_soc_jack_pin jack_pins[] = {
39 {
40 .pin = "Headset Mic",
41 .mask = SND_JACK_MICROPHONE,
42 }, {
43 .pin = "Headset Stereophone",
44 .mask = SND_JACK_HEADPHONE | SND_JACK_MECHANICAL |
45 SND_JACK_AVOUT,
46 },
47};
48
49/* 3.5 pie jack detection gpios */
50static struct snd_soc_jack_gpio jack_gpios[] = {
51 {
52 .gpio = S5PV210_GPH0(6),
53 .name = "DET_3.5",
54 .report = SND_JACK_HEADSET | SND_JACK_MECHANICAL |
55 SND_JACK_AVOUT,
56 .debounce_time = 200,
57 },
58};
59
60static const struct snd_soc_dapm_widget aquila_dapm_widgets[] = {
61 SND_SOC_DAPM_SPK("Ext Spk", NULL),
62 SND_SOC_DAPM_SPK("Ext Rcv", NULL),
63 SND_SOC_DAPM_HP("Headset Stereophone", NULL),
64 SND_SOC_DAPM_MIC("Headset Mic", NULL),
65 SND_SOC_DAPM_MIC("Main Mic", NULL),
66 SND_SOC_DAPM_MIC("2nd Mic", NULL),
67 SND_SOC_DAPM_LINE("Radio In", NULL),
68};
69
70static const struct snd_soc_dapm_route aquila_dapm_routes[] = {
71 {"Ext Spk", NULL, "SPKOUTLP"},
72 {"Ext Spk", NULL, "SPKOUTLN"},
73
74 {"Ext Rcv", NULL, "HPOUT2N"},
75 {"Ext Rcv", NULL, "HPOUT2P"},
76
77 {"Headset Stereophone", NULL, "HPOUT1L"},
78 {"Headset Stereophone", NULL, "HPOUT1R"},
79
80 {"IN1RN", NULL, "Headset Mic"},
81 {"IN1RP", NULL, "Headset Mic"},
82
83 {"IN1RN", NULL, "2nd Mic"},
84 {"IN1RP", NULL, "2nd Mic"},
85
86 {"IN1LN", NULL, "Main Mic"},
87 {"IN1LP", NULL, "Main Mic"},
88
89 {"IN2LN", NULL, "Radio In"},
90 {"IN2RN", NULL, "Radio In"},
91};
92
93static int aquila_wm8994_init(struct snd_soc_pcm_runtime *rtd)
94{
95 struct snd_soc_codec *codec = rtd->codec;
ce6120cc 96 struct snd_soc_dapm_context *dapm = &codec->dapm;
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97 int ret;
98
99 /* add aquila specific widgets */
ce6120cc 100 snd_soc_dapm_new_controls(dapm, aquila_dapm_widgets,
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101 ARRAY_SIZE(aquila_dapm_widgets));
102
103 /* set up aquila specific audio routes */
ce6120cc 104 snd_soc_dapm_add_routes(dapm, aquila_dapm_routes,
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105 ARRAY_SIZE(aquila_dapm_routes));
106
107 /* set endpoints to not connected */
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108 snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
109 snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
110 snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
111 snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
112 snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
113 snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
114 snd_soc_dapm_nc_pin(dapm, "SPKOUTRN");
115 snd_soc_dapm_nc_pin(dapm, "SPKOUTRP");
116
117 snd_soc_dapm_sync(dapm);
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118
119 /* Headset jack detection */
120 ret = snd_soc_jack_new(&aquila, "Headset Jack",
121 SND_JACK_HEADSET | SND_JACK_MECHANICAL | SND_JACK_AVOUT,
122 &jack);
123 if (ret)
124 return ret;
125
126 ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins);
127 if (ret)
128 return ret;
129
130 ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios);
131 if (ret)
132 return ret;
133
134 return 0;
135}
136
137static int aquila_hifi_hw_params(struct snd_pcm_substream *substream,
138 struct snd_pcm_hw_params *params)
139{
140 struct snd_soc_pcm_runtime *rtd = substream->private_data;
141 struct snd_soc_dai *codec_dai = rtd->codec_dai;
142 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
143 unsigned int pll_out = 24000000;
144 int ret = 0;
145
146 /* set the cpu DAI configuration */
147 ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
148 SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
149 if (ret < 0)
150 return ret;
151
152 /* set the cpu system clock */
153 ret = snd_soc_dai_set_sysclk(cpu_dai, S3C64XX_CLKSRC_PCLK,
154 0, SND_SOC_CLOCK_IN);
155 if (ret < 0)
156 return ret;
157
158 /* set codec DAI configuration */
159 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
160 SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
161 if (ret < 0)
162 return ret;
163
164 /* set the codec FLL */
165 ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out,
166 params_rate(params) * 256);
167 if (ret < 0)
168 return ret;
169
170 /* set the codec system clock */
171 ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
172 params_rate(params) * 256, SND_SOC_CLOCK_IN);
173 if (ret < 0)
174 return ret;
175
176 return 0;
177}
178
179static struct snd_soc_ops aquila_hifi_ops = {
180 .hw_params = aquila_hifi_hw_params,
181};
182
183static int aquila_voice_hw_params(struct snd_pcm_substream *substream,
184 struct snd_pcm_hw_params *params)
185{
186 struct snd_soc_pcm_runtime *rtd = substream->private_data;
187 struct snd_soc_dai *codec_dai = rtd->codec_dai;
188 unsigned int pll_out = 24000000;
189 int ret = 0;
190
191 if (params_rate(params) != 8000)
192 return -EINVAL;
193
194 /* set codec DAI configuration */
195 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J |
196 SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM);
197 if (ret < 0)
198 return ret;
199
200 /* set the codec FLL */
201 ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out,
202 params_rate(params) * 256);
203 if (ret < 0)
204 return ret;
205
206 /* set the codec system clock */
207 ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
208 params_rate(params) * 256, SND_SOC_CLOCK_IN);
209 if (ret < 0)
210 return ret;
211
212 return 0;
213}
214
215static struct snd_soc_dai_driver voice_dai = {
216 .name = "aquila-voice-dai",
217 .playback = {
218 .channels_min = 1,
219 .channels_max = 2,
220 .rates = SNDRV_PCM_RATE_8000,
221 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
222 .capture = {
223 .channels_min = 1,
224 .channels_max = 2,
225 .rates = SNDRV_PCM_RATE_8000,
226 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
227};
228
229static struct snd_soc_ops aquila_voice_ops = {
230 .hw_params = aquila_voice_hw_params,
231};
232
233static struct snd_soc_dai_link aquila_dai[] = {
234{
235 .name = "WM8994",
236 .stream_name = "WM8994 HiFi",
237 .cpu_dai_name = "s3c64xx-i2s-v4",
238 .codec_dai_name = "wm8994-hifi",
239 .platform_name = "s3c24xx-pcm-audio",
240 .codec_name = "wm8994-codec.0-0x1a",
241 .init = aquila_wm8994_init,
242 .ops = &aquila_hifi_ops,
243}, {
244 .name = "WM8994 Voice",
245 .stream_name = "Voice",
246 .cpu_dai_name = "aquila-voice-dai",
247 .codec_dai_name = "wm8994-voice",
248 .platform_name = "s3c24xx-pcm-audio",
249 .codec_name = "wm8994-codec.0-0x1a",
250 .ops = &aquila_voice_ops,
251},
252};
253
254static struct snd_soc_card aquila = {
255 .name = "aquila",
256 .dai_link = aquila_dai,
257 .num_links = ARRAY_SIZE(aquila_dai),
258};
259
260static int __init aquila_init(void)
261{
262 int ret;
263
264 if (!machine_is_aquila())
265 return -ENODEV;
266
267 aquila_snd_device = platform_device_alloc("soc-audio", -1);
268 if (!aquila_snd_device)
269 return -ENOMEM;
270
271 /* register voice DAI here */
272 ret = snd_soc_register_dai(&aquila_snd_device->dev, &voice_dai);
273 if (ret)
274 return ret;
275
276 platform_set_drvdata(aquila_snd_device, &aquila);
277 ret = platform_device_add(aquila_snd_device);
278
279 if (ret)
280 platform_device_put(aquila_snd_device);
281
282 return ret;
283}
284
285static void __exit aquila_exit(void)
286{
287 platform_device_unregister(aquila_snd_device);
288}
289
290module_init(aquila_init);
291module_exit(aquila_exit);
292
293/* Module information */
294MODULE_DESCRIPTION("ALSA SoC WM8994 Aquila(S5PC110)");
295MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
296MODULE_LICENSE("GPL");