4 * Copyright (C) 2010 Samsung Electronics Co.Ltd
5 * Author: Chanwoo Choi <cw00.choi@samsung.com>
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.
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
17 #include <linux/platform_device.h>
18 #include <sound/soc.h>
19 #include <sound/jack.h>
20 #include <asm/mach-types.h>
21 #include <mach/gpio.h>
22 #include <mach/regs-clock.h>
24 #include <linux/mfd/wm8994/core.h>
25 #include <linux/mfd/wm8994/registers.h>
26 #include "../codecs/wm8994.h"
30 #define MACHINE_NAME 0
31 #define CPU_VOICE_DAI 1
33 static const char *aquila_str[] = {
34 [MACHINE_NAME] = "aquila",
35 [CPU_VOICE_DAI] = "aquila-voice-dai",
38 static struct snd_soc_card goni;
39 static struct platform_device *goni_snd_device;
42 static struct snd_soc_jack jack;
44 /* 3.5 pie jack detection DAPM pins */
45 static struct snd_soc_jack_pin jack_pins[] = {
48 .mask = SND_JACK_MICROPHONE,
50 .pin = "Headset Stereophone",
51 .mask = SND_JACK_HEADPHONE | SND_JACK_MECHANICAL |
56 /* 3.5 pie jack detection gpios */
57 static struct snd_soc_jack_gpio jack_gpios[] = {
59 .gpio = S5PV210_GPH0(6),
61 .report = SND_JACK_HEADSET | SND_JACK_MECHANICAL |
67 static const struct snd_soc_dapm_widget goni_dapm_widgets[] = {
68 SND_SOC_DAPM_SPK("Ext Left Spk", NULL),
69 SND_SOC_DAPM_SPK("Ext Right Spk", NULL),
70 SND_SOC_DAPM_SPK("Ext Rcv", NULL),
71 SND_SOC_DAPM_HP("Headset Stereophone", NULL),
72 SND_SOC_DAPM_MIC("Headset Mic", NULL),
73 SND_SOC_DAPM_MIC("Main Mic", NULL),
74 SND_SOC_DAPM_MIC("2nd Mic", NULL),
75 SND_SOC_DAPM_LINE("Radio In", NULL),
78 static const struct snd_soc_dapm_route goni_dapm_routes[] = {
79 {"Ext Left Spk", NULL, "SPKOUTLP"},
80 {"Ext Left Spk", NULL, "SPKOUTLN"},
82 {"Ext Right Spk", NULL, "SPKOUTRP"},
83 {"Ext Right Spk", NULL, "SPKOUTRN"},
85 {"Ext Rcv", NULL, "HPOUT2N"},
86 {"Ext Rcv", NULL, "HPOUT2P"},
88 {"Headset Stereophone", NULL, "HPOUT1L"},
89 {"Headset Stereophone", NULL, "HPOUT1R"},
91 {"IN1RN", NULL, "Headset Mic"},
92 {"IN1RP", NULL, "Headset Mic"},
94 {"IN1RN", NULL, "2nd Mic"},
95 {"IN1RP", NULL, "2nd Mic"},
97 {"IN1LN", NULL, "Main Mic"},
98 {"IN1LP", NULL, "Main Mic"},
100 {"IN2LN", NULL, "Radio In"},
101 {"IN2RN", NULL, "Radio In"},
104 static int goni_wm8994_init(struct snd_soc_pcm_runtime *rtd)
106 struct snd_soc_codec *codec = rtd->codec;
107 struct snd_soc_dapm_context *dapm = &codec->dapm;
110 /* add goni specific widgets */
111 snd_soc_dapm_new_controls(dapm, goni_dapm_widgets,
112 ARRAY_SIZE(goni_dapm_widgets));
114 /* set up goni specific audio routes */
115 snd_soc_dapm_add_routes(dapm, goni_dapm_routes,
116 ARRAY_SIZE(goni_dapm_routes));
118 /* set endpoints to not connected */
119 snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
120 snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
121 snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
122 snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
123 snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
124 snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
126 if (machine_is_aquila()) {
127 snd_soc_dapm_nc_pin(dapm, "SPKOUTRN");
128 snd_soc_dapm_nc_pin(dapm, "SPKOUTRP");
131 snd_soc_dapm_sync(dapm);
133 /* Headset jack detection */
134 ret = snd_soc_jack_new(&goni, "Headset Jack",
135 SND_JACK_HEADSET | SND_JACK_MECHANICAL | SND_JACK_AVOUT,
140 ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins);
144 ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios);
151 static int goni_hifi_hw_params(struct snd_pcm_substream *substream,
152 struct snd_pcm_hw_params *params)
154 struct snd_soc_pcm_runtime *rtd = substream->private_data;
155 struct snd_soc_dai *codec_dai = rtd->codec_dai;
156 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
157 unsigned int pll_out = 24000000;
160 /* set the cpu DAI configuration */
161 ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
162 SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
166 /* set codec DAI configuration */
167 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
168 SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
172 /* set the codec FLL */
173 ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out,
174 params_rate(params) * 256);
178 /* set the codec system clock */
179 ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
180 params_rate(params) * 256, SND_SOC_CLOCK_IN);
187 static struct snd_soc_ops goni_hifi_ops = {
188 .hw_params = goni_hifi_hw_params,
191 static int goni_voice_hw_params(struct snd_pcm_substream *substream,
192 struct snd_pcm_hw_params *params)
194 struct snd_soc_pcm_runtime *rtd = substream->private_data;
195 struct snd_soc_dai *codec_dai = rtd->codec_dai;
196 unsigned int pll_out = 24000000;
199 if (params_rate(params) != 8000)
202 /* set codec DAI configuration */
203 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J |
204 SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM);
208 /* set the codec FLL */
209 ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out,
210 params_rate(params) * 256);
214 /* set the codec system clock */
215 ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
216 params_rate(params) * 256, SND_SOC_CLOCK_IN);
223 static struct snd_soc_dai_driver voice_dai = {
224 .name = "goni-voice-dai",
229 .rates = SNDRV_PCM_RATE_8000,
230 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
234 .rates = SNDRV_PCM_RATE_8000,
235 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
238 static struct snd_soc_ops goni_voice_ops = {
239 .hw_params = goni_voice_hw_params,
242 static struct snd_soc_dai_link goni_dai[] = {
245 .stream_name = "WM8994 HiFi",
246 .cpu_dai_name = "samsung-i2s.0",
247 .codec_dai_name = "wm8994-hifi",
248 .platform_name = "samsung-audio",
249 .codec_name = "wm8994-codec.0-0x1a",
250 .init = goni_wm8994_init,
251 .ops = &goni_hifi_ops,
253 .name = "WM8994 Voice",
254 .stream_name = "Voice",
255 .cpu_dai_name = "goni-voice-dai",
256 .codec_dai_name = "wm8994-voice",
257 .platform_name = "samsung-audio",
258 .codec_name = "wm8994-codec.0-0x1a",
259 .ops = &goni_voice_ops,
263 static struct snd_soc_card goni = {
265 .dai_link = goni_dai,
266 .num_links = ARRAY_SIZE(goni_dai),
269 static int __init goni_init(void)
273 if (machine_is_aquila()) {
274 voice_dai.name = aquila_str[CPU_VOICE_DAI];
275 goni_dai[1].cpu_dai_name = aquila_str[CPU_VOICE_DAI];
276 goni.name = aquila_str[MACHINE_NAME];
277 } else if (!machine_is_goni())
280 goni_snd_device = platform_device_alloc("soc-audio", -1);
281 if (!goni_snd_device)
284 /* register voice DAI here */
285 ret = snd_soc_register_dai(&goni_snd_device->dev, &voice_dai);
287 platform_device_put(goni_snd_device);
291 platform_set_drvdata(goni_snd_device, &goni);
292 ret = platform_device_add(goni_snd_device);
295 snd_soc_unregister_dai(&goni_snd_device->dev);
296 platform_device_put(goni_snd_device);
302 static void __exit goni_exit(void)
304 snd_soc_unregister_dai(&goni_snd_device->dev);
305 platform_device_unregister(goni_snd_device);
308 module_init(goni_init);
309 module_exit(goni_exit);
311 /* Module information */
312 MODULE_DESCRIPTION("ALSA SoC WM8994 GONI(S5PV210)");
313 MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
314 MODULE_LICENSE("GPL");