[linux-2.6-block.git] / sound / soc / cirrus / snappercl15.c

/*
 * snappercl15.c -- SoC audio for Bluewater Systems Snapper CL15 module
 *
 * Copyright (C) 2008 Bluewater Systems Ltd
 * Author: Ryan Mallon
 *
 *  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/platform_device.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>

#include <asm/mach-types.h>
#include <mach/hardware.h>

#include "../codecs/tlv320aic23.h"

#define CODEC_CLOCK 5644800

static int snappercl15_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;
	int err;

	err = snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, 
				     SND_SOC_CLOCK_IN);
	if (err)
		return err;

	err = snd_soc_dai_set_sysclk(cpu_dai, 0, CODEC_CLOCK, 
				     SND_SOC_CLOCK_OUT);
	if (err)
		return err;

	return 0;
}

static struct snd_soc_ops snappercl15_ops = {
	.hw_params	= snappercl15_hw_params,
};

static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),
	SND_SOC_DAPM_MIC("Mic Jack", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	{"Headphone Jack", NULL, "LHPOUT"},
	{"Headphone Jack", NULL, "RHPOUT"},

	{"LLINEIN", NULL, "Line In"},
	{"RLINEIN", NULL, "Line In"},

	{"MICIN", NULL, "Mic Jack"},
};

static int snappercl15_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;

	snd_soc_dapm_new_controls(dapm, tlv320aic23_dapm_widgets,
				  ARRAY_SIZE(tlv320aic23_dapm_widgets));

	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
	return 0;
}

static struct snd_soc_dai_link snappercl15_dai = {
	.name		= "tlv320aic23",
	.stream_name	= "AIC23",
	.cpu_dai_name	= "ep93xx-i2s",
	.codec_dai_name	= "tlv320aic23-hifi",
	.codec_name	= "tlv320aic23-codec.0-001a",
	.platform_name	= "ep93xx-i2s",
	.init		= snappercl15_tlv320aic23_init,
	.dai_fmt	= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_IF |
			  SND_SOC_DAIFMT_CBS_CFS,
	.ops		= &snappercl15_ops,
};

static struct snd_soc_card snd_soc_snappercl15 = {
	.name		= "Snapper CL15",
	.owner		= THIS_MODULE,
	.dai_link	= &snappercl15_dai,
	.num_links	= 1,
};

static int snappercl15_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &snd_soc_snappercl15;
	int ret;

	ret = ep93xx_i2s_acquire();
	if (ret)
		return ret;

	card->dev = &pdev->dev;

	ret = snd_soc_register_card(card);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
			ret);
		ep93xx_i2s_release();
	}

	return ret;
}

static int snappercl15_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);

	snd_soc_unregister_card(card);
	ep93xx_i2s_release();

	return 0;
}

static struct platform_driver snappercl15_driver = {
	.driver		= {
		.name	= "snappercl15-audio",
		.owner	= THIS_MODULE,
	},
	.probe		= snappercl15_probe,
	.remove		= snappercl15_remove,
};

module_platform_driver(snappercl15_driver);

MODULE_AUTHOR("Ryan Mallon");
MODULE_DESCRIPTION("ALSA SoC Snapper CL15");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:snappercl15-audio");
Commit	Line	Data
315f7da6 RM	1	/*
	2	* snappercl15.c -- SoC audio for Bluewater Systems Snapper CL15 module
	3	*
	4	* Copyright (C) 2008 Bluewater Systems Ltd
1c5454ee	5	* Author: Ryan Mallon
315f7da6 RM	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/platform_device.h>
da155d5b	15	#include <linux/module.h>
315f7da6 RM	16	#include <sound/core.h>
	17	#include <sound/pcm.h>
	18	#include <sound/soc.h>
315f7da6 RM	19
	20	#include <asm/mach-types.h>
	21	#include <mach/hardware.h>
	22
	23	#include "../codecs/tlv320aic23.h"
315f7da6 RM	24
	25	#define CODEC_CLOCK 5644800
	26
	27	static int snappercl15_hw_params(struct snd_pcm_substream *substream,
	28	struct snd_pcm_hw_params *params)
	29	{
	30	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	31	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	32	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
315f7da6 RM	33	int err;
315f7da6 RM	34
315f7da6 RM	35	err = snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK,
	36	SND_SOC_CLOCK_IN);
	37	if (err)
	38	return err;
	39
	40	err = snd_soc_dai_set_sysclk(cpu_dai, 0, CODEC_CLOCK,
	41	SND_SOC_CLOCK_OUT);
	42	if (err)
	43	return err;
	44
	45	return 0;
	46	}
	47
	48	static struct snd_soc_ops snappercl15_ops = {
	49	.hw_params = snappercl15_hw_params,
	50	};
	51
	52	static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
	53	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	54	SND_SOC_DAPM_LINE("Line In", NULL),
	55	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	56	};
	57
	58	static const struct snd_soc_dapm_route audio_map[] = {
	59	{"Headphone Jack", NULL, "LHPOUT"},
	60	{"Headphone Jack", NULL, "RHPOUT"},
	61
	62	{"LLINEIN", NULL, "Line In"},
	63	{"RLINEIN", NULL, "Line In"},
	64
	65	{"MICIN", NULL, "Mic Jack"},
	66	};
	67
f0fba2ad	68	static int snappercl15_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
315f7da6	69	{
f0fba2ad	70	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	71	struct snd_soc_dapm_context *dapm = &codec->dapm;
f0fba2ad	72
ce6120cc	73	snd_soc_dapm_new_controls(dapm, tlv320aic23_dapm_widgets,
315f7da6 RM	74	ARRAY_SIZE(tlv320aic23_dapm_widgets));
315f7da6 RM	75
ce6120cc	76	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
315f7da6 RM	77	return 0;
	78	}
	79
	80	static struct snd_soc_dai_link snappercl15_dai = {
	81	.name = "tlv320aic23",
	82	.stream_name = "AIC23",
f0fba2ad LG	83	.cpu_dai_name = "ep93xx-i2s",
	84	.codec_dai_name = "tlv320aic23-hifi",
	85	.codec_name = "tlv320aic23-codec.0-001a",
6f2032a1	86	.platform_name = "ep93xx-i2s",
315f7da6	87	.init = snappercl15_tlv320aic23_init,
f49f8510 AL	88	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_IF \|
f49f8510 AL	89	SND_SOC_DAIFMT_CBS_CFS,
315f7da6 RM	90	.ops = &snappercl15_ops,
	91	};
	92
	93	static struct snd_soc_card snd_soc_snappercl15 = {
	94	.name = "Snapper CL15",
a76a7023	95	.owner = THIS_MODULE,
315f7da6 RM	96	.dai_link = &snappercl15_dai,
	97	.num_links = 1,
	98	};
	99
145e2879	100	static int snappercl15_probe(struct platform_device *pdev)
315f7da6	101	{
62e4f7d1	102	struct snd_soc_card *card = &snd_soc_snappercl15;
315f7da6 RM	103	int ret;
315f7da6 RM	104
44fb864b	105	ret = ep93xx_i2s_acquire();
315f7da6 RM	106	if (ret)
	107	return ret;
	108
62e4f7d1 MW	109	card->dev = &pdev->dev;
	110
	111	ret = snd_soc_register_card(card);
	112	if (ret) {
	113	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
	114	ret);
	115	ep93xx_i2s_release();
	116	}
315f7da6 RM	117
	118	return ret;
	119	}
	120
145e2879	121	static int snappercl15_remove(struct platform_device *pdev)
315f7da6	122	{
62e4f7d1 MW	123	struct snd_soc_card *card = platform_get_drvdata(pdev);
	124
	125	snd_soc_unregister_card(card);
315f7da6	126	ep93xx_i2s_release();
62e4f7d1 MW	127
	128	return 0;
	129	}
	130
	131	static struct platform_driver snappercl15_driver = {
	132	.driver = {
	133	.name = "snappercl15-audio",
	134	.owner = THIS_MODULE,
	135	},
	136	.probe = snappercl15_probe,
145e2879	137	.remove = snappercl15_remove,
62e4f7d1 MW	138	};
62e4f7d1 MW	139
ee18f631	140	module_platform_driver(snappercl15_driver);
315f7da6	141
1c5454ee	142	MODULE_AUTHOR("Ryan Mallon");
315f7da6 RM	143	MODULE_DESCRIPTION("ALSA SoC Snapper CL15");
315f7da6 RM	144	MODULE_LICENSE("GPL");
62e4f7d1	145	MODULE_ALIAS("platform:snappercl15-audio");