[deliverable/linux.git] / sound / soc / pxa / pxa2xx-ac97.c

/*
 * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
 *
 * Author:	Nicolas Pitre
 * Created:	Dec 02, 2004
 * Copyright:	MontaVista Software Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>

#include <sound/core.h>
#include <sound/ac97_codec.h>
#include <sound/soc.h>
#include <sound/pxa2xx-lib.h>

#include <mach/hardware.h>
#include <mach/pxa-regs.h>

#include "pxa2xx-pcm.h"
#include "pxa2xx-ac97.h"

static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
{
	pxa2xx_ac97_try_warm_reset(ac97);

	pxa2xx_ac97_finish_reset(ac97);
}

static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
{
	pxa2xx_ac97_try_cold_reset(ac97);

	pxa2xx_ac97_finish_reset(ac97);
}

struct snd_ac97_bus_ops soc_ac97_ops = {
	.read	= pxa2xx_ac97_read,
	.write	= pxa2xx_ac97_write,
	.warm_reset	= pxa2xx_ac97_warm_reset,
	.reset	= pxa2xx_ac97_cold_reset,
};

static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
	.name			= "AC97 PCM Stereo out",
	.dev_addr		= __PREG(PCDR),
	.drcmr			= &DRCMR(12),
	.dcmd			= DCMD_INCSRCADDR | DCMD_FLOWTRG |
				  DCMD_BURST32 | DCMD_WIDTH4,
};

static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
	.name			= "AC97 PCM Stereo in",
	.dev_addr		= __PREG(PCDR),
	.drcmr			= &DRCMR(11),
	.dcmd			= DCMD_INCTRGADDR | DCMD_FLOWSRC |
				  DCMD_BURST32 | DCMD_WIDTH4,
};

static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
	.name			= "AC97 Aux PCM (Slot 5) Mono out",
	.dev_addr		= __PREG(MODR),
	.drcmr			= &DRCMR(10),
	.dcmd			= DCMD_INCSRCADDR | DCMD_FLOWTRG |
				  DCMD_BURST16 | DCMD_WIDTH2,
};

static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = {
	.name			= "AC97 Aux PCM (Slot 5) Mono in",
	.dev_addr		= __PREG(MODR),
	.drcmr			= &DRCMR(9),
	.dcmd			= DCMD_INCTRGADDR | DCMD_FLOWSRC |
				  DCMD_BURST16 | DCMD_WIDTH2,
};

static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = {
	.name			= "AC97 Mic PCM (Slot 6) Mono in",
	.dev_addr		= __PREG(MCDR),
	.drcmr			= &DRCMR(8),
	.dcmd			= DCMD_INCTRGADDR | DCMD_FLOWSRC |
				  DCMD_BURST16 | DCMD_WIDTH2,
};

#ifdef CONFIG_PM
static int pxa2xx_ac97_suspend(struct snd_soc_dai *dai)
{
	return pxa2xx_ac97_hw_suspend();
}

static int pxa2xx_ac97_resume(struct snd_soc_dai *dai)
{
	return pxa2xx_ac97_hw_resume();
}

#else
#define pxa2xx_ac97_suspend	NULL
#define pxa2xx_ac97_resume	NULL
#endif

static int pxa2xx_ac97_probe(struct platform_device *pdev,
			     struct snd_soc_dai *dai)
{
	return pxa2xx_ac97_hw_probe(pdev);
}

static void pxa2xx_ac97_remove(struct platform_device *pdev,
			       struct snd_soc_dai *dai)
{
	pxa2xx_ac97_hw_remove(pdev);
}

static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
				 struct snd_pcm_hw_params *params,
				 struct snd_soc_dai *dai)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out;
	else
		cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in;

	return 0;
}

static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
				     struct snd_pcm_hw_params *params,
				     struct snd_soc_dai *dai)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
	else
		cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in;

	return 0;
}

static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
				     struct snd_pcm_hw_params *params,
				     struct snd_soc_dai *dai)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		return -ENODEV;
	else
		cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;

	return 0;
}

#define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
		SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
		SNDRV_PCM_RATE_48000)

/*
 * There is only 1 physical AC97 interface for pxa2xx, but it
 * has extra fifo's that can be used for aux DACs and ADCs.
 */
struct snd_soc_dai pxa_ac97_dai[] = {
{
	.name = "pxa2xx-ac97",
	.id = 0,
	.ac97_control = 1,
	.probe = pxa2xx_ac97_probe,
	.remove = pxa2xx_ac97_remove,
	.suspend = pxa2xx_ac97_suspend,
	.resume = pxa2xx_ac97_resume,
	.playback = {
		.stream_name = "AC97 Playback",
		.channels_min = 2,
		.channels_max = 2,
		.rates = PXA2XX_AC97_RATES,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.capture = {
		.stream_name = "AC97 Capture",
		.channels_min = 2,
		.channels_max = 2,
		.rates = PXA2XX_AC97_RATES,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.ops = {
		.hw_params = pxa2xx_ac97_hw_params,},
},
{
	.name = "pxa2xx-ac97-aux",
	.id = 1,
	.ac97_control = 1,
	.playback = {
		.stream_name = "AC97 Aux Playback",
		.channels_min = 1,
		.channels_max = 1,
		.rates = PXA2XX_AC97_RATES,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.capture = {
		.stream_name = "AC97 Aux Capture",
		.channels_min = 1,
		.channels_max = 1,
		.rates = PXA2XX_AC97_RATES,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.ops = {
		.hw_params = pxa2xx_ac97_hw_aux_params,},
},
{
	.name = "pxa2xx-ac97-mic",
	.id = 2,
	.ac97_control = 1,
	.capture = {
		.stream_name = "AC97 Mic Capture",
		.channels_min = 1,
		.channels_max = 1,
		.rates = PXA2XX_AC97_RATES,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.ops = {
		.hw_params = pxa2xx_ac97_hw_mic_params,},
},
};

EXPORT_SYMBOL_GPL(pxa_ac97_dai);
EXPORT_SYMBOL_GPL(soc_ac97_ops);

static int __init pxa_ac97_init(void)
{
	return snd_soc_register_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai));
}
module_init(pxa_ac97_init);

static void __exit pxa_ac97_exit(void)
{
	snd_soc_unregister_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai));
}
module_exit(pxa_ac97_exit);

MODULE_AUTHOR("Nicolas Pitre");
MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
MODULE_LICENSE("GPL");
Commit	Line	Data
75b41027 LG	1	/*
	2	* linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
	3	*
	4	* Author: Nicolas Pitre
	5	* Created: Dec 02, 2004
	6	* Copyright: MontaVista Software Inc.
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
	13	#include <linux/init.h>
	14	#include <linux/module.h>
	15	#include <linux/platform_device.h>
75b41027	16
75b41027	17	#include <sound/core.h>
75b41027	18	#include <sound/ac97_codec.h>
75b41027	19	#include <sound/soc.h>
9c636342	20	#include <sound/pxa2xx-lib.h>
75b41027	21
a09e64fb RK	22	#include <mach/hardware.h>
a09e64fb RK	23	#include <mach/pxa-regs.h>
75b41027 LG	24
75b41027 LG	25	#include "pxa2xx-pcm.h"
596ce32b	26	#include "pxa2xx-ac97.h"
75b41027	27
75b41027 LG	28	static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
75b41027 LG	29	{
9c636342	30	pxa2xx_ac97_try_warm_reset(ac97);
75b41027	31
9c636342	32	pxa2xx_ac97_finish_reset(ac97);
75b41027 LG	33	}
	34
	35	static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
	36	{
9c636342	37	pxa2xx_ac97_try_cold_reset(ac97);
7a22323b	38
9c636342	39	pxa2xx_ac97_finish_reset(ac97);
75b41027 LG	40	}
	41
	42	struct snd_ac97_bus_ops soc_ac97_ops = {
	43	.read = pxa2xx_ac97_read,
	44	.write = pxa2xx_ac97_write,
	45	.warm_reset = pxa2xx_ac97_warm_reset,
	46	.reset = pxa2xx_ac97_cold_reset,
	47	};
	48
	49	static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
	50	.name = "AC97 PCM Stereo out",
	51	.dev_addr = __PREG(PCDR),
87f3dd77	52	.drcmr = &DRCMR(12),
75b41027 LG	53	.dcmd = DCMD_INCSRCADDR \| DCMD_FLOWTRG \|
	54	DCMD_BURST32 \| DCMD_WIDTH4,
	55	};
	56
	57	static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
	58	.name = "AC97 PCM Stereo in",
	59	.dev_addr = __PREG(PCDR),
87f3dd77	60	.drcmr = &DRCMR(11),
75b41027 LG	61	.dcmd = DCMD_INCTRGADDR \| DCMD_FLOWSRC \|
	62	DCMD_BURST32 \| DCMD_WIDTH4,
	63	};
	64
	65	static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
	66	.name = "AC97 Aux PCM (Slot 5) Mono out",
	67	.dev_addr = __PREG(MODR),
87f3dd77	68	.drcmr = &DRCMR(10),
75b41027 LG	69	.dcmd = DCMD_INCSRCADDR \| DCMD_FLOWTRG \|
	70	DCMD_BURST16 \| DCMD_WIDTH2,
	71	};
	72
	73	static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = {
	74	.name = "AC97 Aux PCM (Slot 5) Mono in",
	75	.dev_addr = __PREG(MODR),
87f3dd77	76	.drcmr = &DRCMR(9),
75b41027 LG	77	.dcmd = DCMD_INCTRGADDR \| DCMD_FLOWSRC \|
	78	DCMD_BURST16 \| DCMD_WIDTH2,
	79	};
	80
	81	static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = {
	82	.name = "AC97 Mic PCM (Slot 6) Mono in",
	83	.dev_addr = __PREG(MCDR),
87f3dd77	84	.drcmr = &DRCMR(8),
75b41027 LG	85	.dcmd = DCMD_INCTRGADDR \| DCMD_FLOWSRC \|
	86	DCMD_BURST16 \| DCMD_WIDTH2,
	87	};
	88
	89	#ifdef CONFIG_PM
dc7d7b83	90	static int pxa2xx_ac97_suspend(struct snd_soc_dai *dai)
75b41027	91	{
9c636342	92	return pxa2xx_ac97_hw_suspend();
75b41027 LG	93	}
75b41027 LG	94
dc7d7b83	95	static int pxa2xx_ac97_resume(struct snd_soc_dai *dai)
75b41027	96	{
9c636342	97	return pxa2xx_ac97_hw_resume();
75b41027 LG	98	}
	99
	100	#else
	101	#define pxa2xx_ac97_suspend NULL
	102	#define pxa2xx_ac97_resume NULL
	103	#endif
	104
bdb92876	105	static int pxa2xx_ac97_probe(struct platform_device *pdev,
917f93ac	106	struct snd_soc_dai *dai)
75b41027	107	{
9c636342	108	return pxa2xx_ac97_hw_probe(pdev);
75b41027 LG	109	}
75b41027 LG	110
a84534dc DB	111	static void pxa2xx_ac97_remove(struct platform_device *pdev,
a84534dc DB	112	struct snd_soc_dai *dai)
75b41027	113	{
9c636342	114	pxa2xx_ac97_hw_remove(pdev);
75b41027 LG	115	}
	116
	117	static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
dee89c4d MB	118	struct snd_pcm_hw_params *params,
dee89c4d MB	119	struct snd_soc_dai *dai)
75b41027 LG	120	{
75b41027 LG	121	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac	122	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
75b41027 LG	123
75b41027 LG	124	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
596ce32b	125	cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out;
75b41027	126	else
596ce32b	127	cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in;
75b41027 LG	128
	129	return 0;
	130	}
	131
	132	static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
dee89c4d MB	133	struct snd_pcm_hw_params *params,
dee89c4d MB	134	struct snd_soc_dai *dai)
75b41027 LG	135	{
75b41027 LG	136	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac	137	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
75b41027 LG	138
75b41027 LG	139	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
596ce32b	140	cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
75b41027	141	else
596ce32b	142	cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
75b41027 LG	143
	144	return 0;
	145	}
	146
	147	static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
dee89c4d MB	148	struct snd_pcm_hw_params *params,
dee89c4d MB	149	struct snd_soc_dai *dai)
75b41027 LG	150	{
75b41027 LG	151	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac	152	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
75b41027 LG	153
	154	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
	155	return -ENODEV;
	156	else
596ce32b	157	cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;
75b41027 LG	158
	159	return 0;
	160	}
	161
596ce32b LG	162	#define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 \| SNDRV_PCM_RATE_11025 \|\
	163	SNDRV_PCM_RATE_16000 \| SNDRV_PCM_RATE_22050 \| SNDRV_PCM_RATE_44100 \| \
	164	SNDRV_PCM_RATE_48000)
	165
75b41027 LG	166	/*
	167	* There is only 1 physical AC97 interface for pxa2xx, but it
	168	* has extra fifo's that can be used for aux DACs and ADCs.
	169	*/
917f93ac	170	struct snd_soc_dai pxa_ac97_dai[] = {
75b41027 LG	171	{
	172	.name = "pxa2xx-ac97",
	173	.id = 0,
3ba9e10a	174	.ac97_control = 1,
75b41027 LG	175	.probe = pxa2xx_ac97_probe,
	176	.remove = pxa2xx_ac97_remove,
	177	.suspend = pxa2xx_ac97_suspend,
	178	.resume = pxa2xx_ac97_resume,
	179	.playback = {
	180	.stream_name = "AC97 Playback",
	181	.channels_min = 2,
596ce32b LG	182	.channels_max = 2,
	183	.rates = PXA2XX_AC97_RATES,
	184	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
75b41027 LG	185	.capture = {
	186	.stream_name = "AC97 Capture",
	187	.channels_min = 2,
596ce32b LG	188	.channels_max = 2,
	189	.rates = PXA2XX_AC97_RATES,
	190	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
75b41027 LG	191	.ops = {
75b41027 LG	192	.hw_params = pxa2xx_ac97_hw_params,},
75b41027 LG	193	},
	194	{
	195	.name = "pxa2xx-ac97-aux",
	196	.id = 1,
3ba9e10a	197	.ac97_control = 1,
75b41027 LG	198	.playback = {
	199	.stream_name = "AC97 Aux Playback",
	200	.channels_min = 1,
596ce32b LG	201	.channels_max = 1,
	202	.rates = PXA2XX_AC97_RATES,
	203	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
75b41027 LG	204	.capture = {
	205	.stream_name = "AC97 Aux Capture",
	206	.channels_min = 1,
596ce32b LG	207	.channels_max = 1,
	208	.rates = PXA2XX_AC97_RATES,
	209	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
75b41027 LG	210	.ops = {
75b41027 LG	211	.hw_params = pxa2xx_ac97_hw_aux_params,},
75b41027 LG	212	},
	213	{
	214	.name = "pxa2xx-ac97-mic",
	215	.id = 2,
3ba9e10a	216	.ac97_control = 1,
75b41027 LG	217	.capture = {
	218	.stream_name = "AC97 Mic Capture",
	219	.channels_min = 1,
596ce32b LG	220	.channels_max = 1,
	221	.rates = PXA2XX_AC97_RATES,
	222	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
75b41027 LG	223	.ops = {
75b41027 LG	224	.hw_params = pxa2xx_ac97_hw_mic_params,},
596ce32b	225	},
75b41027 LG	226	};
	227
	228	EXPORT_SYMBOL_GPL(pxa_ac97_dai);
	229	EXPORT_SYMBOL_GPL(soc_ac97_ops);
	230
c9b3a40f	231	static int __init pxa_ac97_init(void)
3f4b783c MB	232	{
	233	return snd_soc_register_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai));
	234	}
	235	module_init(pxa_ac97_init);
	236
	237	static void __exit pxa_ac97_exit(void)
	238	{
	239	snd_soc_unregister_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai));
	240	}
	241	module_exit(pxa_ac97_exit);
	242
75b41027 LG	243	MODULE_AUTHOR("Nicolas Pitre");
	244	MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
	245	MODULE_LICENSE("GPL");