[deliverable/linux.git] / sound / soc / s3c24xx / goni_wm8994.c

/*
 * goni_wm8994.c
 *
 * Copyright (C) 2010 Samsung Electronics Co.Ltd
 * Author: Chanwoo Choi <cw00.choi@samsung.com>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <asm/mach-types.h>
#include <mach/gpio.h>
#include <mach/regs-clock.h>

#include <linux/mfd/wm8994/core.h>
#include <linux/mfd/wm8994/registers.h>
#include "../codecs/wm8994.h"
#include "s3c-dma.h"
#include "s3c64xx-i2s.h"

static struct snd_soc_card goni;
static struct platform_device *goni_snd_device;

/* 3.5 pie jack */
static struct snd_soc_jack jack;

/* 3.5 pie jack detection DAPM pins */
static struct snd_soc_jack_pin jack_pins[] = {
	{
		.pin = "Headset Mic",
		.mask = SND_JACK_MICROPHONE,
	}, {
		.pin = "Headset Stereophone",
		.mask = SND_JACK_HEADPHONE | SND_JACK_MECHANICAL |
			SND_JACK_AVOUT,
	},
};

/* 3.5 pie jack detection gpios */
static struct snd_soc_jack_gpio jack_gpios[] = {
	{
		.gpio = S5PV210_GPH0(6),
		.name = "DET_3.5",
		.report = SND_JACK_HEADSET | SND_JACK_MECHANICAL |
			SND_JACK_AVOUT,
		.debounce_time = 200,
	},
};

static const struct snd_soc_dapm_widget goni_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Ext Left Spk", NULL),
	SND_SOC_DAPM_SPK("Ext Right Spk", NULL),
	SND_SOC_DAPM_SPK("Ext Rcv", NULL),
	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Main Mic", NULL),
	SND_SOC_DAPM_MIC("2nd Mic", NULL),
	SND_SOC_DAPM_LINE("Radio In", NULL),
};

static const struct snd_soc_dapm_route goni_dapm_routes[] = {
	{"Ext Left Spk", NULL, "SPKOUTLP"},
	{"Ext Left Spk", NULL, "SPKOUTLN"},

	{"Ext Right Spk", NULL, "SPKOUTRP"},
	{"Ext Right Spk", NULL, "SPKOUTRN"},

	{"Ext Rcv", NULL, "HPOUT2N"},
	{"Ext Rcv", NULL, "HPOUT2P"},

	{"Headset Stereophone", NULL, "HPOUT1L"},
	{"Headset Stereophone", NULL, "HPOUT1R"},

	{"IN1RN", NULL, "Headset Mic"},
	{"IN1RP", NULL, "Headset Mic"},

	{"IN1RN", NULL, "2nd Mic"},
	{"IN1RP", NULL, "2nd Mic"},

	{"IN1LN", NULL, "Main Mic"},
	{"IN1LP", NULL, "Main Mic"},

	{"IN2LN", NULL, "Radio In"},
	{"IN2RN", NULL, "Radio In"},
};

static int goni_wm8994_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int ret;

	/* add goni specific widgets */
	snd_soc_dapm_new_controls(dapm, goni_dapm_widgets,
			ARRAY_SIZE(goni_dapm_widgets));

	/* set up goni specific audio routes */
	snd_soc_dapm_add_routes(dapm, goni_dapm_routes,
			ARRAY_SIZE(goni_dapm_routes));

	/* set endpoints to not connected */
	snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
	snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
	snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
	snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
	snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
	snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");

	snd_soc_dapm_sync(dapm);

	/* Headset jack detection */
	ret = snd_soc_jack_new(&goni, "Headset Jack",
			SND_JACK_HEADSET | SND_JACK_MECHANICAL | SND_JACK_AVOUT,
			&jack);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios);
	if (ret)
		return ret;

	return 0;
}

static int goni_hifi_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	unsigned int pll_out = 24000000;
	int ret = 0;

	/* set the cpu DAI configuration */
	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
	if (ret < 0)
		return ret;

	/* set the cpu system clock */
	ret = snd_soc_dai_set_sysclk(cpu_dai, S3C64XX_CLKSRC_PCLK,
			0, SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
	if (ret < 0)
		return ret;

	/* set the codec FLL */
	ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out,
			params_rate(params) * 256);
	if (ret < 0)
		return ret;

	/* set the codec system clock */
	ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
			params_rate(params) * 256, SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	return 0;
}

static struct snd_soc_ops goni_hifi_ops = {
	.hw_params = goni_hifi_hw_params,
};

static int goni_voice_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	unsigned int pll_out = 24000000;
	int ret = 0;

	if (params_rate(params) != 8000)
		return -EINVAL;

	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J |
			SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM);
	if (ret < 0)
		return ret;

	/* set the codec FLL */
	ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out,
			params_rate(params) * 256);
	if (ret < 0)
		return ret;

	/* set the codec system clock */
	ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
			params_rate(params) * 256, SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	return 0;
}

static struct snd_soc_dai_driver voice_dai = {
	.name = "goni-voice-dai",
	.id = 0,
	.playback = {
		.channels_min = 1,
		.channels_max = 2,
		.rates = SNDRV_PCM_RATE_8000,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.capture = {
		.channels_min = 1,
		.channels_max = 2,
		.rates = SNDRV_PCM_RATE_8000,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
};

static struct snd_soc_ops goni_voice_ops = {
	.hw_params = goni_voice_hw_params,
};

static struct snd_soc_dai_link goni_dai[] = {
{
	.name = "WM8994",
	.stream_name = "WM8994 HiFi",
	.cpu_dai_name = "s3c64xx-i2s-v4",
	.codec_dai_name = "wm8994-hifi",
	.platform_name = "s3c24xx-pcm-audio",
	.codec_name = "wm8994-codec.0-0x1a",
	.init = goni_wm8994_init,
	.ops = &goni_hifi_ops,
}, {
	.name = "WM8994 Voice",
	.stream_name = "Voice",
	.cpu_dai_name = "goni-voice-dai",
	.codec_dai_name = "wm8994-voice",
	.platform_name = "s3c24xx-pcm-audio",
	.codec_name = "wm8994-codec.0-0x1a",
	.ops = &goni_voice_ops,
},
};

static struct snd_soc_card goni = {
	.name = "goni",
	.dai_link = goni_dai,
	.num_links = ARRAY_SIZE(goni_dai),
};

static int __init goni_init(void)
{
	int ret;

	if (!machine_is_goni())
		return -ENODEV;

	goni_snd_device = platform_device_alloc("soc-audio", -1);
	if (!goni_snd_device)
		return -ENOMEM;

	/* register voice DAI here */
	ret = snd_soc_register_dai(&goni_snd_device->dev, &voice_dai);
	if (ret)
		return ret;

	platform_set_drvdata(goni_snd_device, &goni);
	ret = platform_device_add(goni_snd_device);

	if (ret)
		platform_device_put(goni_snd_device);

	return ret;
}

static void __exit goni_exit(void)
{
	platform_device_unregister(goni_snd_device);
}

module_init(goni_init);
module_exit(goni_exit);

/* Module information */
MODULE_DESCRIPTION("ALSA SoC WM8994 GONI(S5PV210)");
MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
MODULE_LICENSE("GPL");
Commit	Line	Data
f51582fd CC	1	/*
	2	* goni_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>
f51582fd CC	19	#include <sound/jack.h>
	20	#include <asm/mach-types.h>
	21	#include <mach/gpio.h>
	22	#include <mach/regs-clock.h>
	23
	24	#include <linux/mfd/wm8994/core.h>
	25	#include <linux/mfd/wm8994/registers.h>
	26	#include "../codecs/wm8994.h"
	27	#include "s3c-dma.h"
	28	#include "s3c64xx-i2s.h"
	29
	30	static struct snd_soc_card goni;
	31	static struct platform_device *goni_snd_device;
	32
	33	/* 3.5 pie jack */
	34	static struct snd_soc_jack jack;
	35
	36	/* 3.5 pie jack detection DAPM pins */
	37	static struct snd_soc_jack_pin jack_pins[] = {
	38	{
	39	.pin = "Headset Mic",
	40	.mask = SND_JACK_MICROPHONE,
	41	}, {
	42	.pin = "Headset Stereophone",
	43	.mask = SND_JACK_HEADPHONE \| SND_JACK_MECHANICAL \|
	44	SND_JACK_AVOUT,
	45	},
	46	};
	47
	48	/* 3.5 pie jack detection gpios */
	49	static struct snd_soc_jack_gpio jack_gpios[] = {
	50	{
	51	.gpio = S5PV210_GPH0(6),
	52	.name = "DET_3.5",
	53	.report = SND_JACK_HEADSET \| SND_JACK_MECHANICAL \|
	54	SND_JACK_AVOUT,
	55	.debounce_time = 200,
	56	},
	57	};
	58
	59	static const struct snd_soc_dapm_widget goni_dapm_widgets[] = {
	60	SND_SOC_DAPM_SPK("Ext Left Spk", NULL),
	61	SND_SOC_DAPM_SPK("Ext Right 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
	70	static const struct snd_soc_dapm_route goni_dapm_routes[] = {
	71	{"Ext Left Spk", NULL, "SPKOUTLP"},
	72	{"Ext Left Spk", NULL, "SPKOUTLN"},
	73
	74	{"Ext Right Spk", NULL, "SPKOUTRP"},
	75	{"Ext Right Spk", NULL, "SPKOUTRN"},
	76
	77	{"Ext Rcv", NULL, "HPOUT2N"},
	78	{"Ext Rcv", NULL, "HPOUT2P"},
	79
	80	{"Headset Stereophone", NULL, "HPOUT1L"},
	81	{"Headset Stereophone", NULL, "HPOUT1R"},
	82
83	{"IN1RN", NULL, "Headset Mic"},
84	{"IN1RP", NULL, "Headset Mic"},
85
86	{"IN1RN", NULL, "2nd Mic"},
87	{"IN1RP", NULL, "2nd Mic"},
88
89	{"IN1LN", NULL, "Main Mic"},
90	{"IN1LP", NULL, "Main Mic"},
91
92	{"IN2LN", NULL, "Radio In"},
93	{"IN2RN", NULL, "Radio In"},
94	};
95
96	static int goni_wm8994_init(struct snd_soc_pcm_runtime *rtd)
97	{
98	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	99	struct snd_soc_dapm_context *dapm = &codec->dapm;
f51582fd CC	100	int ret;
	101
	102	/* add goni specific widgets */
ce6120cc	103	snd_soc_dapm_new_controls(dapm, goni_dapm_widgets,
f51582fd CC	104	ARRAY_SIZE(goni_dapm_widgets));
	105
	106	/* set up goni specific audio routes */
ce6120cc	107	snd_soc_dapm_add_routes(dapm, goni_dapm_routes,
f51582fd CC	108	ARRAY_SIZE(goni_dapm_routes));
	109
	110	/* set endpoints to not connected */
ce6120cc LG	111	snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
	112	snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
	113	snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
	114	snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
	115	snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
	116	snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
	117
	118	snd_soc_dapm_sync(dapm);
f51582fd CC	119
	120	/* Headset jack detection */
	121	ret = snd_soc_jack_new(&goni, "Headset Jack",
	122	SND_JACK_HEADSET \| SND_JACK_MECHANICAL \| SND_JACK_AVOUT,
	123	&jack);
	124	if (ret)
	125	return ret;
	126
	127	ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins);
	128	if (ret)
	129	return ret;
	130
	131	ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios);
	132	if (ret)
	133	return ret;
	134
	135	return 0;
	136	}
	137
	138	static int goni_hifi_hw_params(struct snd_pcm_substream *substream,
	139	struct snd_pcm_hw_params *params)
	140	{
	141	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	142	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	143	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	144	unsigned int pll_out = 24000000;
	145	int ret = 0;
	146
	147	/* set the cpu DAI configuration */
	148	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
	149	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBM_CFM);
	150	if (ret < 0)
	151	return ret;
	152
	153	/* set the cpu system clock */
	154	ret = snd_soc_dai_set_sysclk(cpu_dai, S3C64XX_CLKSRC_PCLK,
	155	0, SND_SOC_CLOCK_IN);
	156	if (ret < 0)
	157	return ret;
	158
	159	/* set codec DAI configuration */
	160	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
	161	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBM_CFM);
	162	if (ret < 0)
	163	return ret;
	164
	165	/* set the codec FLL */
	166	ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out,
	167	params_rate(params) * 256);
	168	if (ret < 0)
	169	return ret;
	170
	171	/* set the codec system clock */
	172	ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
	173	params_rate(params) * 256, SND_SOC_CLOCK_IN);
	174	if (ret < 0)
	175	return ret;
	176
	177	return 0;
	178	}
	179
	180	static struct snd_soc_ops goni_hifi_ops = {
	181	.hw_params = goni_hifi_hw_params,
	182	};
183
184	static int goni_voice_hw_params(struct snd_pcm_substream *substream,
185	struct snd_pcm_hw_params *params)
186	{
187	struct snd_soc_pcm_runtime *rtd = substream->private_data;
188	struct snd_soc_dai *codec_dai = rtd->codec_dai;
189	unsigned int pll_out = 24000000;
190	int ret = 0;
191
192	if (params_rate(params) != 8000)
193	return -EINVAL;
194
195	/* set codec DAI configuration */
196	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J \|
197	SND_SOC_DAIFMT_IB_IF \| SND_SOC_DAIFMT_CBM_CFM);
198	if (ret < 0)
199	return ret;
200
201	/* set the codec FLL */
202	ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out,
203	params_rate(params) * 256);
204	if (ret < 0)
205	return ret;
206
207	/* set the codec system clock */
208	ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
209	params_rate(params) * 256, SND_SOC_CLOCK_IN);
210	if (ret < 0)
211	return ret;
212
213	return 0;
214	}
215
216	static struct snd_soc_dai_driver voice_dai = {
217	.name = "goni-voice-dai",
218	.id = 0,
219	.playback = {
220	.channels_min = 1,
221	.channels_max = 2,
222	.rates = SNDRV_PCM_RATE_8000,
223	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
224	.capture = {
225	.channels_min = 1,
226	.channels_max = 2,
227	.rates = SNDRV_PCM_RATE_8000,
228	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
229	};
230
231	static struct snd_soc_ops goni_voice_ops = {
232	.hw_params = goni_voice_hw_params,
233	};
234
235	static struct snd_soc_dai_link goni_dai[] = {
236	{
237	.name = "WM8994",
238	.stream_name = "WM8994 HiFi",
239	.cpu_dai_name = "s3c64xx-i2s-v4",
240	.codec_dai_name = "wm8994-hifi",
241	.platform_name = "s3c24xx-pcm-audio",
242	.codec_name = "wm8994-codec.0-0x1a",
243	.init = goni_wm8994_init,
244	.ops = &goni_hifi_ops,
245	}, {
246	.name = "WM8994 Voice",
247	.stream_name = "Voice",
248	.cpu_dai_name = "goni-voice-dai",
249	.codec_dai_name = "wm8994-voice",
250	.platform_name = "s3c24xx-pcm-audio",
251	.codec_name = "wm8994-codec.0-0x1a",
252	.ops = &goni_voice_ops,
253	},
254	};
255
256	static struct snd_soc_card goni = {
257	.name = "goni",
258	.dai_link = goni_dai,
259	.num_links = ARRAY_SIZE(goni_dai),
260	};
261
262	static int __init goni_init(void)
263	{
264	int ret;
265
266	if (!machine_is_goni())
267	return -ENODEV;
268
269	goni_snd_device = platform_device_alloc("soc-audio", -1);
270	if (!goni_snd_device)
271	return -ENOMEM;
272
273	/* register voice DAI here */
274	ret = snd_soc_register_dai(&goni_snd_device->dev, &voice_dai);
275	if (ret)
276	return ret;
277
278	platform_set_drvdata(goni_snd_device, &goni);
279	ret = platform_device_add(goni_snd_device);
280
281	if (ret)
282	platform_device_put(goni_snd_device);
283
284	return ret;
285	}
286
287	static void __exit goni_exit(void)
288	{
289	platform_device_unregister(goni_snd_device);
290	}
291
292	module_init(goni_init);
293	module_exit(goni_exit);
294
295	/* Module information */
296	MODULE_DESCRIPTION("ALSA SoC WM8994 GONI(S5PV210)");
297	MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
298	MODULE_LICENSE("GPL");