[linux-2.6-block.git] / sound / soc / au1x / db1200.c

/*
 * DB1200/DB1300/DB1550 ASoC audio fabric support code.
 *
 * (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>
 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1xxx_psc.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/mach-db1x00/bcsr.h>

#include "../codecs/wm8731.h"
#include "psc.h"

static const struct platform_device_id db1200_pids[] = {
	{
		.name		= "db1200-ac97",
		.driver_data	= 0,
	}, {
		.name		= "db1200-i2s",
		.driver_data	= 1,
	}, {
		.name		= "db1300-ac97",
		.driver_data	= 2,
	}, {
		.name		= "db1300-i2s",
		.driver_data	= 3,
	}, {
		.name		= "db1550-ac97",
		.driver_data	= 4,
	}, {
		.name		= "db1550-i2s",
		.driver_data	= 5,
	},
	{},
};

/*-------------------------  AC97 PART  ---------------------------*/

static struct snd_soc_dai_link db1200_ac97_dai = {
	.name		= "AC97",
	.stream_name	= "AC97 HiFi",
	.codec_dai_name	= "ac97-hifi",
	.cpu_dai_name	= "au1xpsc_ac97.1",
	.platform_name	= "au1xpsc-pcm.1",
	.codec_name	= "ac97-codec.1",
};

static struct snd_soc_card db1200_ac97_machine = {
	.name		= "DB1200_AC97",
	.owner		= THIS_MODULE,
	.dai_link	= &db1200_ac97_dai,
	.num_links	= 1,
};

static struct snd_soc_dai_link db1300_ac97_dai = {
	.name		= "AC97",
	.stream_name	= "AC97 HiFi",
	.codec_dai_name	= "wm9712-hifi",
	.cpu_dai_name	= "au1xpsc_ac97.1",
	.platform_name	= "au1xpsc-pcm.1",
	.codec_name	= "wm9712-codec.1",
};

static struct snd_soc_card db1300_ac97_machine = {
	.name		= "DB1300_AC97",
	.owner		= THIS_MODULE,
	.dai_link	= &db1300_ac97_dai,
	.num_links	= 1,
};

static struct snd_soc_card db1550_ac97_machine = {
	.name		= "DB1550_AC97",
	.owner		= THIS_MODULE,
	.dai_link	= &db1200_ac97_dai,
	.num_links	= 1,
};

/*-------------------------  I2S PART  ---------------------------*/

static int db1200_i2s_startup(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;

	/* WM8731 has its own 12MHz crystal */
	snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
				12000000, SND_SOC_CLOCK_IN);

	return 0;
}

static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
	.startup	= db1200_i2s_startup,
};

static struct snd_soc_dai_link db1200_i2s_dai = {
	.name		= "WM8731",
	.stream_name	= "WM8731 PCM",
	.codec_dai_name	= "wm8731-hifi",
	.cpu_dai_name	= "au1xpsc_i2s.1",
	.platform_name	= "au1xpsc-pcm.1",
	.codec_name	= "wm8731.0-001b",
	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
			  SND_SOC_DAIFMT_CBM_CFM,
	.ops		= &db1200_i2s_wm8731_ops,
};

static struct snd_soc_card db1200_i2s_machine = {
	.name		= "DB1200_I2S",
	.owner		= THIS_MODULE,
	.dai_link	= &db1200_i2s_dai,
	.num_links	= 1,
};

static struct snd_soc_dai_link db1300_i2s_dai = {
	.name		= "WM8731",
	.stream_name	= "WM8731 PCM",
	.codec_dai_name	= "wm8731-hifi",
	.cpu_dai_name	= "au1xpsc_i2s.2",
	.platform_name	= "au1xpsc-pcm.2",
	.codec_name	= "wm8731.0-001b",
	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
			  SND_SOC_DAIFMT_CBM_CFM,
	.ops		= &db1200_i2s_wm8731_ops,
};

static struct snd_soc_card db1300_i2s_machine = {
	.name		= "DB1300_I2S",
	.owner		= THIS_MODULE,
	.dai_link	= &db1300_i2s_dai,
	.num_links	= 1,
};

static struct snd_soc_dai_link db1550_i2s_dai = {
	.name		= "WM8731",
	.stream_name	= "WM8731 PCM",
	.codec_dai_name	= "wm8731-hifi",
	.cpu_dai_name	= "au1xpsc_i2s.3",
	.platform_name	= "au1xpsc-pcm.3",
	.codec_name	= "wm8731.0-001b",
	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
			  SND_SOC_DAIFMT_CBM_CFM,
	.ops		= &db1200_i2s_wm8731_ops,
};

static struct snd_soc_card db1550_i2s_machine = {
	.name		= "DB1550_I2S",
	.owner		= THIS_MODULE,
	.dai_link	= &db1550_i2s_dai,
	.num_links	= 1,
};

/*-------------------------  COMMON PART  ---------------------------*/

static struct snd_soc_card *db1200_cards[] = {
	&db1200_ac97_machine,
	&db1200_i2s_machine,
	&db1300_ac97_machine,
	&db1300_i2s_machine,
	&db1550_ac97_machine,
	&db1550_i2s_machine,
};

static int db1200_audio_probe(struct platform_device *pdev)
{
	const struct platform_device_id *pid = platform_get_device_id(pdev);
	struct snd_soc_card *card;

	card = db1200_cards[pid->driver_data];
	card->dev = &pdev->dev;
	return devm_snd_soc_register_card(&pdev->dev, card);
}

static struct platform_driver db1200_audio_driver = {
	.driver	= {
		.name	= "db1200-ac97",
		.pm	= &snd_soc_pm_ops,
	},
	.id_table	= db1200_pids,
	.probe		= db1200_audio_probe,
};

module_platform_driver(db1200_audio_driver);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
MODULE_AUTHOR("Manuel Lauss");
Commit	Line	Data
05ae3231	1	/*
f869d42e	2	* DB1200/DB1300/DB1550 ASoC audio fabric support code.
05ae3231	3	*
adbc7a5a	4	* (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>
05ae3231 ML	5	*
	6	*/
	7
	8	#include <linux/module.h>
	9	#include <linux/moduleparam.h>
	10	#include <linux/timer.h>
	11	#include <linux/interrupt.h>
	12	#include <linux/platform_device.h>
	13	#include <sound/core.h>
	14	#include <sound/pcm.h>
	15	#include <sound/soc.h>
05ae3231 ML	16	#include <asm/mach-au1x00/au1000.h>
	17	#include <asm/mach-au1x00/au1xxx_psc.h>
	18	#include <asm/mach-au1x00/au1xxx_dbdma.h>
	19	#include <asm/mach-db1x00/bcsr.h>
	20
05ae3231 ML	21	#include "../codecs/wm8731.h"
	22	#include "psc.h"
	23
6c219192	24	static const struct platform_device_id db1200_pids[] = {
adbc7a5a ML	25	{
	26	.name = "db1200-ac97",
	27	.driver_data = 0,
	28	}, {
	29	.name = "db1200-i2s",
	30	.driver_data = 1,
64cd04d0 ML	31	}, {
	32	.name = "db1300-ac97",
	33	.driver_data = 2,
	34	}, {
	35	.name = "db1300-i2s",
	36	.driver_data = 3,
f869d42e ML	37	}, {
	38	.name = "db1550-ac97",
	39	.driver_data = 4,
	40	}, {
	41	.name = "db1550-i2s",
	42	.driver_data = 5,
adbc7a5a ML	43	},
	44	{},
	45	};
	46
05ae3231 ML	47	/------------------------- AC97 PART ---------------------------/
	48
	49	static struct snd_soc_dai_link db1200_ac97_dai = {
	50	.name = "AC97",
	51	.stream_name = "AC97 HiFi",
f0fba2ad	52	.codec_dai_name = "ac97-hifi",
ffc4fdbb ML	53	.cpu_dai_name = "au1xpsc_ac97.1",
	54	.platform_name = "au1xpsc-pcm.1",
	55	.codec_name = "ac97-codec.1",
05ae3231 ML	56	};
	57
	58	static struct snd_soc_card db1200_ac97_machine = {
	59	.name = "DB1200_AC97",
662d4e5c	60	.owner = THIS_MODULE,
05ae3231 ML	61	.dai_link = &db1200_ac97_dai,
05ae3231 ML	62	.num_links = 1,
05ae3231 ML	63	};
05ae3231 ML	64
64cd04d0 ML	65	static struct snd_soc_dai_link db1300_ac97_dai = {
	66	.name = "AC97",
	67	.stream_name = "AC97 HiFi",
	68	.codec_dai_name = "wm9712-hifi",
	69	.cpu_dai_name = "au1xpsc_ac97.1",
	70	.platform_name = "au1xpsc-pcm.1",
	71	.codec_name = "wm9712-codec.1",
	72	};
	73
	74	static struct snd_soc_card db1300_ac97_machine = {
	75	.name = "DB1300_AC97",
35261edc	76	.owner = THIS_MODULE,
64cd04d0 ML	77	.dai_link = &db1300_ac97_dai,
	78	.num_links = 1,
	79	};
	80
f869d42e ML	81	static struct snd_soc_card db1550_ac97_machine = {
f869d42e ML	82	.name = "DB1550_AC97",
35261edc	83	.owner = THIS_MODULE,
f869d42e ML	84	.dai_link = &db1200_ac97_dai,
	85	.num_links = 1,
	86	};
	87
05ae3231 ML	88	/------------------------- I2S PART ---------------------------/
	89
	90	static int db1200_i2s_startup(struct snd_pcm_substream *substream)
	91	{
	92	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	93	struct snd_soc_dai *codec_dai = rtd->codec_dai;
05ae3231 ML	94
05ae3231 ML	95	/* WM8731 has its own 12MHz crystal */
9745e824	96	snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
05ae3231 ML	97	12000000, SND_SOC_CLOCK_IN);
05ae3231 ML	98
b4508d0f	99	return 0;
05ae3231 ML	100	}
05ae3231 ML	101
052fba77	102	static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
05ae3231 ML	103	.startup = db1200_i2s_startup,
	104	};
	105
	106	static struct snd_soc_dai_link db1200_i2s_dai = {
	107	.name = "WM8731",
	108	.stream_name = "WM8731 PCM",
ffc4fdbb ML	109	.codec_dai_name = "wm8731-hifi",
	110	.cpu_dai_name = "au1xpsc_i2s.1",
	111	.platform_name = "au1xpsc-pcm.1",
99b59f3c	112	.codec_name = "wm8731.0-001b",
b4508d0f LPC	113	.dai_fmt = SND_SOC_DAIFMT_LEFT_J \| SND_SOC_DAIFMT_NB_NF \|
b4508d0f LPC	114	SND_SOC_DAIFMT_CBM_CFM,
05ae3231 ML	115	.ops = &db1200_i2s_wm8731_ops,
	116	};
	117
	118	static struct snd_soc_card db1200_i2s_machine = {
	119	.name = "DB1200_I2S",
662d4e5c	120	.owner = THIS_MODULE,
05ae3231 ML	121	.dai_link = &db1200_i2s_dai,
05ae3231 ML	122	.num_links = 1,
05ae3231 ML	123	};
05ae3231 ML	124
64cd04d0 ML	125	static struct snd_soc_dai_link db1300_i2s_dai = {
	126	.name = "WM8731",
	127	.stream_name = "WM8731 PCM",
	128	.codec_dai_name = "wm8731-hifi",
	129	.cpu_dai_name = "au1xpsc_i2s.2",
	130	.platform_name = "au1xpsc-pcm.2",
	131	.codec_name = "wm8731.0-001b",
e74679b3 LPC	132	.dai_fmt = SND_SOC_DAIFMT_LEFT_J \| SND_SOC_DAIFMT_NB_NF \|
e74679b3 LPC	133	SND_SOC_DAIFMT_CBM_CFM,
64cd04d0 ML	134	.ops = &db1200_i2s_wm8731_ops,
	135	};
	136
	137	static struct snd_soc_card db1300_i2s_machine = {
	138	.name = "DB1300_I2S",
35261edc	139	.owner = THIS_MODULE,
64cd04d0 ML	140	.dai_link = &db1300_i2s_dai,
	141	.num_links = 1,
	142	};
	143
f869d42e ML	144	static struct snd_soc_dai_link db1550_i2s_dai = {
	145	.name = "WM8731",
	146	.stream_name = "WM8731 PCM",
	147	.codec_dai_name = "wm8731-hifi",
	148	.cpu_dai_name = "au1xpsc_i2s.3",
	149	.platform_name = "au1xpsc-pcm.3",
	150	.codec_name = "wm8731.0-001b",
e74679b3 LPC	151	.dai_fmt = SND_SOC_DAIFMT_LEFT_J \| SND_SOC_DAIFMT_NB_NF \|
e74679b3 LPC	152	SND_SOC_DAIFMT_CBM_CFM,
f869d42e ML	153	.ops = &db1200_i2s_wm8731_ops,
	154	};
	155
	156	static struct snd_soc_card db1550_i2s_machine = {
	157	.name = "DB1550_I2S",
35261edc	158	.owner = THIS_MODULE,
f869d42e ML	159	.dai_link = &db1550_i2s_dai,
	160	.num_links = 1,
	161	};
	162
05ae3231 ML	163	/------------------------- COMMON PART ---------------------------/
05ae3231 ML	164
5c658be0	165	static struct snd_soc_card *db1200_cards[] = {
adbc7a5a ML	166	&db1200_ac97_machine,
adbc7a5a ML	167	&db1200_i2s_machine,
64cd04d0 ML	168	&db1300_ac97_machine,
64cd04d0 ML	169	&db1300_i2s_machine,
f869d42e ML	170	&db1550_ac97_machine,
f869d42e ML	171	&db1550_i2s_machine,
adbc7a5a	172	};
05ae3231	173
5c658be0	174	static int db1200_audio_probe(struct platform_device *pdev)
05ae3231	175	{
adbc7a5a ML	176	const struct platform_device_id *pid = platform_get_device_id(pdev);
adbc7a5a ML	177	struct snd_soc_card *card;
05ae3231	178
adbc7a5a ML	179	card = db1200_cards[pid->driver_data];
adbc7a5a ML	180	card->dev = &pdev->dev;
2342cafe	181	return devm_snd_soc_register_card(&pdev->dev, card);
adbc7a5a	182	}
05ae3231	183
adbc7a5a ML	184	static struct platform_driver db1200_audio_driver = {
	185	.driver = {
	186	.name = "db1200-ac97",
adbc7a5a ML	187	.pm = &snd_soc_pm_ops,
	188	},
	189	.id_table = db1200_pids,
	190	.probe = db1200_audio_probe,
adbc7a5a	191	};
05ae3231	192
8a124f9c	193	module_platform_driver(db1200_audio_driver);
05ae3231 ML	194
05ae3231 ML	195	MODULE_LICENSE("GPL");
f869d42e	196	MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
05ae3231	197	MODULE_AUTHOR("Manuel Lauss");