[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"

#define MACHINE_NAME	0
#define CPU_VOICE_DAI	1

static const char *aquila_str[] = {
	[MACHINE_NAME] = "aquila",
	[CPU_VOICE_DAI] = "aquila-voice-dai",
};

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");

	if (machine_is_aquila()) {
		snd_soc_dapm_nc_pin(dapm, "SPKOUTRN");
		snd_soc_dapm_nc_pin(dapm, "SPKOUTRP");
	}

	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 = "samsung-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 = "samsung-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_aquila()) {
		voice_dai.name = aquila_str[CPU_VOICE_DAI];
		goni_dai[1].cpu_dai_name = aquila_str[CPU_VOICE_DAI];
		goni.name = aquila_str[MACHINE_NAME];
	} else 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
3a56d0ca JB	30	#define MACHINE_NAME 0
	31	#define CPU_VOICE_DAI 1
	32
	33	static const char *aquila_str[] = {
	34	[MACHINE_NAME] = "aquila",
	35	[CPU_VOICE_DAI] = "aquila-voice-dai",
	36	};
	37
f51582fd CC	38	static struct snd_soc_card goni;
	39	static struct platform_device *goni_snd_device;
	40
	41	/* 3.5 pie jack */
	42	static struct snd_soc_jack jack;
	43
	44	/* 3.5 pie jack detection DAPM pins */
	45	static struct snd_soc_jack_pin jack_pins[] = {
	46	{
	47	.pin = "Headset Mic",
	48	.mask = SND_JACK_MICROPHONE,
	49	}, {
	50	.pin = "Headset Stereophone",
	51	.mask = SND_JACK_HEADPHONE \| SND_JACK_MECHANICAL \|
	52	SND_JACK_AVOUT,
	53	},
	54	};
	55
	56	/* 3.5 pie jack detection gpios */
	57	static struct snd_soc_jack_gpio jack_gpios[] = {
	58	{
	59	.gpio = S5PV210_GPH0(6),
	60	.name = "DET_3.5",
	61	.report = SND_JACK_HEADSET \| SND_JACK_MECHANICAL \|
	62	SND_JACK_AVOUT,
	63	.debounce_time = 200,
	64	},
	65	};
	66
	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),
	76	};
	77
	78	static const struct snd_soc_dapm_route goni_dapm_routes[] = {
	79	{"Ext Left Spk", NULL, "SPKOUTLP"},
	80	{"Ext Left Spk", NULL, "SPKOUTLN"},
	81
	82	{"Ext Right Spk", NULL, "SPKOUTRP"},
	83	{"Ext Right Spk", NULL, "SPKOUTRN"},
	84
	85	{"Ext Rcv", NULL, "HPOUT2N"},
	86	{"Ext Rcv", NULL, "HPOUT2P"},
	87
	88	{"Headset Stereophone", NULL, "HPOUT1L"},
	89	{"Headset Stereophone", NULL, "HPOUT1R"},
	90
	91	{"IN1RN", NULL, "Headset Mic"},
	92	{"IN1RP", NULL, "Headset Mic"},
	93
	94	{"IN1RN", NULL, "2nd Mic"},
	95	{"IN1RP", NULL, "2nd Mic"},
	96
	97	{"IN1LN", NULL, "Main Mic"},
	98	{"IN1LP", NULL, "Main Mic"},
	99
	100	{"IN2LN", NULL, "Radio In"},
	101	{"IN2RN", NULL, "Radio In"},
102	};
103
104	static int goni_wm8994_init(struct snd_soc_pcm_runtime *rtd)
105	{
106	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	107	struct snd_soc_dapm_context *dapm = &codec->dapm;
f51582fd CC	108	int ret;
	109
	110	/* add goni specific widgets */
ce6120cc	111	snd_soc_dapm_new_controls(dapm, goni_dapm_widgets,
f51582fd CC	112	ARRAY_SIZE(goni_dapm_widgets));
	113
	114	/* set up goni specific audio routes */
ce6120cc	115	snd_soc_dapm_add_routes(dapm, goni_dapm_routes,
f51582fd CC	116	ARRAY_SIZE(goni_dapm_routes));
	117
	118	/* set endpoints to not connected */
ce6120cc LG	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");
	125
3a56d0ca JB	126	if (machine_is_aquila()) {
	127	snd_soc_dapm_nc_pin(dapm, "SPKOUTRN");
	128	snd_soc_dapm_nc_pin(dapm, "SPKOUTRP");
	129	}
	130
ce6120cc	131	snd_soc_dapm_sync(dapm);
f51582fd CC	132
	133	/* Headset jack detection */
	134	ret = snd_soc_jack_new(&goni, "Headset Jack",
	135	SND_JACK_HEADSET \| SND_JACK_MECHANICAL \| SND_JACK_AVOUT,
	136	&jack);
	137	if (ret)
	138	return ret;
	139
	140	ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins);
	141	if (ret)
	142	return ret;
	143
	144	ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios);
	145	if (ret)
	146	return ret;
	147
	148	return 0;
	149	}
	150
	151	static int goni_hifi_hw_params(struct snd_pcm_substream *substream,
	152	struct snd_pcm_hw_params *params)
	153	{
	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;
	158	int ret = 0;
	159
	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);
	163	if (ret < 0)
	164	return ret;
	165
	166	/* set the cpu system clock */
	167	ret = snd_soc_dai_set_sysclk(cpu_dai, S3C64XX_CLKSRC_PCLK,
	168	0, SND_SOC_CLOCK_IN);
	169	if (ret < 0)
	170	return ret;
	171
	172	/* set codec DAI configuration */
	173	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
	174	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBM_CFM);
	175	if (ret < 0)
	176	return ret;
	177
	178	/* set the codec FLL */
	179	ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out,
	180	params_rate(params) * 256);
	181	if (ret < 0)
	182	return ret;
	183
	184	/* set the codec system clock */
	185	ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
	186	params_rate(params) * 256, SND_SOC_CLOCK_IN);
	187	if (ret < 0)
	188	return ret;
	189
	190	return 0;
	191	}
	192
	193	static struct snd_soc_ops goni_hifi_ops = {
	194	.hw_params = goni_hifi_hw_params,
	195	};
196
197	static int goni_voice_hw_params(struct snd_pcm_substream *substream,
198	struct snd_pcm_hw_params *params)
199	{
200	struct snd_soc_pcm_runtime *rtd = substream->private_data;
201	struct snd_soc_dai *codec_dai = rtd->codec_dai;
202	unsigned int pll_out = 24000000;
203	int ret = 0;
204
205	if (params_rate(params) != 8000)
206	return -EINVAL;
207
208	/* set codec DAI configuration */
209	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J \|
210	SND_SOC_DAIFMT_IB_IF \| SND_SOC_DAIFMT_CBM_CFM);
211	if (ret < 0)
212	return ret;
213
214	/* set the codec FLL */
215	ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out,
216	params_rate(params) * 256);
217	if (ret < 0)
218	return ret;
219
220	/* set the codec system clock */
221	ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
222	params_rate(params) * 256, SND_SOC_CLOCK_IN);
223	if (ret < 0)
224	return ret;
225
226	return 0;
227	}
228
229	static struct snd_soc_dai_driver voice_dai = {
230	.name = "goni-voice-dai",
231	.id = 0,
232	.playback = {
233	.channels_min = 1,
234	.channels_max = 2,
235	.rates = SNDRV_PCM_RATE_8000,
236	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
237	.capture = {
238	.channels_min = 1,
239	.channels_max = 2,
240	.rates = SNDRV_PCM_RATE_8000,
241	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
242	};
243
244	static struct snd_soc_ops goni_voice_ops = {
245	.hw_params = goni_voice_hw_params,
246	};
247
248	static struct snd_soc_dai_link goni_dai[] = {
249	{
250	.name = "WM8994",
251	.stream_name = "WM8994 HiFi",
252	.cpu_dai_name = "s3c64xx-i2s-v4",
253	.codec_dai_name = "wm8994-hifi",
58bb4072	254	.platform_name = "samsung-audio",
f51582fd CC	255	.codec_name = "wm8994-codec.0-0x1a",
	256	.init = goni_wm8994_init,
	257	.ops = &goni_hifi_ops,
	258	}, {
	259	.name = "WM8994 Voice",
	260	.stream_name = "Voice",
	261	.cpu_dai_name = "goni-voice-dai",
	262	.codec_dai_name = "wm8994-voice",
58bb4072	263	.platform_name = "samsung-audio",
f51582fd CC	264	.codec_name = "wm8994-codec.0-0x1a",
	265	.ops = &goni_voice_ops,
	266	},
	267	};
	268
	269	static struct snd_soc_card goni = {
	270	.name = "goni",
	271	.dai_link = goni_dai,
	272	.num_links = ARRAY_SIZE(goni_dai),
	273	};
	274
	275	static int __init goni_init(void)
	276	{
	277	int ret;
	278
3a56d0ca JB	279	if (machine_is_aquila()) {
	280	voice_dai.name = aquila_str[CPU_VOICE_DAI];
	281	goni_dai[1].cpu_dai_name = aquila_str[CPU_VOICE_DAI];
	282	goni.name = aquila_str[MACHINE_NAME];
	283	} else if (!machine_is_goni())
f51582fd CC	284	return -ENODEV;
	285
	286	goni_snd_device = platform_device_alloc("soc-audio", -1);
	287	if (!goni_snd_device)
	288	return -ENOMEM;
	289
	290	/* register voice DAI here */
	291	ret = snd_soc_register_dai(&goni_snd_device->dev, &voice_dai);
	292	if (ret)
	293	return ret;
	294
	295	platform_set_drvdata(goni_snd_device, &goni);
	296	ret = platform_device_add(goni_snd_device);
	297
	298	if (ret)
	299	platform_device_put(goni_snd_device);
	300
	301	return ret;
	302	}
	303
	304	static void __exit goni_exit(void)
	305	{
	306	platform_device_unregister(goni_snd_device);
	307	}
	308
	309	module_init(goni_init);
	310	module_exit(goni_exit);
	311
	312	/* Module information */
	313	MODULE_DESCRIPTION("ALSA SoC WM8994 GONI(S5PV210)");
	314	MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
	315	MODULE_LICENSE("GPL");