[linux-2.6-block.git] / include / sound / soc.h

/*
 * linux/sound/soc.h -- ALSA SoC Layer
 *
 * Author:		Liam Girdwood
 * Created:		Aug 11th 2005
 * Copyright:	Wolfson Microelectronics. PLC.
 *
 * 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.
 */

#ifndef __LINUX_SND_SOC_H
#define __LINUX_SND_SOC_H

#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/workqueue.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/control.h>
#include <sound/ac97_codec.h>

/*
 * Convenience kcontrol builders
 */
#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \
	((unsigned long)&(struct soc_mixer_control) \
	{.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \
	.invert = xinvert})
#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
	((unsigned long)&(struct soc_mixer_control) \
	{.reg = xreg, .max = xmax, .invert = xinvert})
#define SOC_SINGLE(xname, reg, shift, max, invert) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
	.put = snd_soc_put_volsw, \
	.private_value =  SOC_SINGLE_VALUE(reg, shift, max, invert) }
#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
	.put = snd_soc_put_volsw, \
	.private_value =  SOC_SINGLE_VALUE(reg, shift, max, invert) }
#define SOC_DOUBLE(xname, xreg, shift_left, shift_right, xmax, xinvert) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
	.put = snd_soc_put_volsw, \
	.private_value = (unsigned long)&(struct soc_mixer_control) \
		{.reg = xreg, .shift = shift_left, .rshift = shift_right, \
		 .max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.info = snd_soc_info_volsw_2r, \
	.get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
	.private_value = (unsigned long)&(struct soc_mixer_control) \
		{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
		.max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
	.put = snd_soc_put_volsw, \
	.private_value = (unsigned long)&(struct soc_mixer_control) \
		{.reg = xreg, .shift = shift_left, .rshift = shift_right,\
		 .max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw_2r, \
	.get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
	.private_value = (unsigned long)&(struct soc_mixer_control) \
		{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
		.max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
{	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
	.tlv.p  = (tlv_array), \
	.info   = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
	.put    = snd_soc_put_volsw_s8, \
	.private_value = (unsigned long)&(struct soc_mixer_control) \
		{.reg = xreg, .min = xmin, .max = xmax} }
#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \
{	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
	.max = xmax, .texts = xtexts }
#define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \
	SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts)
#define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \
{	.max = xmax, .texts = xtexts }
#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \
{	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
	.mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues}
#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \
	SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues)
#define SOC_ENUM(xname, xenum) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
	.info = snd_soc_info_enum_double, \
	.get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
	.private_value = (unsigned long)&xenum }
#define SOC_VALUE_ENUM(xname, xenum) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
	.info = snd_soc_info_enum_double, \
	.get = snd_soc_get_value_enum_double, \
	.put = snd_soc_put_value_enum_double, \
	.private_value = (unsigned long)&xenum }
#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
	 xhandler_get, xhandler_put) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_volsw, \
	.get = xhandler_get, .put = xhandler_put, \
	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
	 xhandler_get, xhandler_put, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw, \
	.get = xhandler_get, .put = xhandler_put, \
	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_bool_ext, \
	.get = xhandler_get, .put = xhandler_put, \
	.private_value = xdata }
#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_enum_ext, \
	.get = xhandler_get, .put = xhandler_put, \
	.private_value = (unsigned long)&xenum }

/*
 * Bias levels
 *
 * @ON:      Bias is fully on for audio playback and capture operations.
 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
 *           stream start and stop operations.
 * @STANDBY: Low power standby state when no playback/capture operations are
 *           in progress. NOTE: The transition time between STANDBY and ON
 *           should be as fast as possible and no longer than 10ms.
 * @OFF:     Power Off. No restrictions on transition times.
 */
enum snd_soc_bias_level {
	SND_SOC_BIAS_ON,
	SND_SOC_BIAS_PREPARE,
	SND_SOC_BIAS_STANDBY,
	SND_SOC_BIAS_OFF,
};

struct snd_soc_device;
struct snd_soc_pcm_stream;
struct snd_soc_ops;
struct snd_soc_dai_mode;
struct snd_soc_pcm_runtime;
struct snd_soc_dai;
struct snd_soc_platform;
struct snd_soc_codec;
struct soc_enum;
struct snd_soc_ac97_ops;

typedef int (*hw_write_t)(void *,const char* ,int);
typedef int (*hw_read_t)(void *,char* ,int);

extern struct snd_ac97_bus_ops soc_ac97_ops;

int snd_soc_register_platform(struct snd_soc_platform *platform);
void snd_soc_unregister_platform(struct snd_soc_platform *platform);
int snd_soc_register_codec(struct snd_soc_codec *codec);
void snd_soc_unregister_codec(struct snd_soc_codec *codec);

/* pcm <-> DAI connect */
void snd_soc_free_pcms(struct snd_soc_device *socdev);
int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid);
int snd_soc_init_card(struct snd_soc_device *socdev);

/* set runtime hw params */
int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
	const struct snd_pcm_hardware *hw);

/* codec IO */
#define snd_soc_read(codec, reg) codec->read(codec, reg)
#define snd_soc_write(codec, reg, value) codec->write(codec, reg, value)

/* codec register bit access */
int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
				unsigned short mask, unsigned short value);
int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
				unsigned short mask, unsigned short value);

int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
	struct snd_ac97_bus_ops *ops, int num);
void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);

/*
 *Controls
 */
struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
	void *data, char *long_name);
int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
#define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);

/* SoC PCM stream information */
struct snd_soc_pcm_stream {
	char *stream_name;
	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
	unsigned int rates;		/* SNDRV_PCM_RATE_* */
	unsigned int rate_min;		/* min rate */
	unsigned int rate_max;		/* max rate */
	unsigned int channels_min;	/* min channels */
	unsigned int channels_max;	/* max channels */
	unsigned int active:1;		/* stream is in use */
};

/* SoC audio ops */
struct snd_soc_ops {
	int (*startup)(struct snd_pcm_substream *);
	void (*shutdown)(struct snd_pcm_substream *);
	int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
	int (*hw_free)(struct snd_pcm_substream *);
	int (*prepare)(struct snd_pcm_substream *);
	int (*trigger)(struct snd_pcm_substream *, int);
};

/* SoC Audio Codec */
struct snd_soc_codec {
	char *name;
	struct module *owner;
	struct mutex mutex;
	struct device *dev;

	struct list_head list;

	/* callbacks */
	int (*set_bias_level)(struct snd_soc_codec *,
			      enum snd_soc_bias_level level);

	/* runtime */
	struct snd_card *card;
	struct snd_ac97 *ac97;  /* for ad-hoc ac97 devices */
	unsigned int active;
	unsigned int pcm_devs;
	void *private_data;

	/* codec IO */
	void *control_data; /* codec control (i2c/3wire) data */
	unsigned int (*read)(struct snd_soc_codec *, unsigned int);
	int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
	int (*display_register)(struct snd_soc_codec *, char *,
				size_t, unsigned int);
	hw_write_t hw_write;
	hw_read_t hw_read;
	void *reg_cache;
	short reg_cache_size;
	short reg_cache_step;

	/* dapm */
	u32 pop_time;
	struct list_head dapm_widgets;
	struct list_head dapm_paths;
	enum snd_soc_bias_level bias_level;
	enum snd_soc_bias_level suspend_bias_level;
	struct delayed_work delayed_work;

	/* codec DAI's */
	struct snd_soc_dai *dai;
	unsigned int num_dai;

#ifdef CONFIG_DEBUG_FS
	struct dentry *debugfs_reg;
	struct dentry *debugfs_pop_time;
#endif
};

/* codec device */
struct snd_soc_codec_device {
	int (*probe)(struct platform_device *pdev);
	int (*remove)(struct platform_device *pdev);
	int (*suspend)(struct platform_device *pdev, pm_message_t state);
	int (*resume)(struct platform_device *pdev);
};

/* SoC platform interface */
struct snd_soc_platform {
	char *name;
	struct list_head list;

	int (*probe)(struct platform_device *pdev);
	int (*remove)(struct platform_device *pdev);
	int (*suspend)(struct snd_soc_dai *dai);
	int (*resume)(struct snd_soc_dai *dai);

	/* pcm creation and destruction */
	int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
		struct snd_pcm *);
	void (*pcm_free)(struct snd_pcm *);

	/* platform stream ops */
	struct snd_pcm_ops *pcm_ops;
};

/* SoC machine DAI configuration, glues a codec and cpu DAI together */
struct snd_soc_dai_link  {
	char *name;			/* Codec name */
	char *stream_name;		/* Stream name */

	/* DAI */
	struct snd_soc_dai *codec_dai;
	struct snd_soc_dai *cpu_dai;

	/* machine stream operations */
	struct snd_soc_ops *ops;

	/* codec/machine specific init - e.g. add machine controls */
	int (*init)(struct snd_soc_codec *codec);

	/* DAI pcm */
	struct snd_pcm *pcm;
};

/* SoC card */
struct snd_soc_card {
	char *name;
	struct device *dev;

	struct list_head list;

	int instantiated;

	int (*probe)(struct platform_device *pdev);
	int (*remove)(struct platform_device *pdev);

	/* the pre and post PM functions are used to do any PM work before and
	 * after the codec and DAI's do any PM work. */
	int (*suspend_pre)(struct platform_device *pdev, pm_message_t state);
	int (*suspend_post)(struct platform_device *pdev, pm_message_t state);
	int (*resume_pre)(struct platform_device *pdev);
	int (*resume_post)(struct platform_device *pdev);

	/* callbacks */
	int (*set_bias_level)(struct snd_soc_card *,
			      enum snd_soc_bias_level level);

	/* CPU <--> Codec DAI links  */
	struct snd_soc_dai_link *dai_link;
	int num_links;

	struct snd_soc_device *socdev;

	struct snd_soc_platform *platform;
	struct delayed_work delayed_work;
	struct work_struct deferred_resume_work;
};

/* SoC Device - the audio subsystem */
struct snd_soc_device {
	struct device *dev;
	struct snd_soc_card *card;
	struct snd_soc_codec *codec;
	struct snd_soc_codec_device *codec_dev;
	void *codec_data;
};

/* runtime channel data */
struct snd_soc_pcm_runtime {
	struct snd_soc_dai_link *dai;
	struct snd_soc_device *socdev;
};

/* mixer control */
struct soc_mixer_control {
	int min, max;
	unsigned int reg, rreg, shift, rshift, invert;
};

/* enumerated kcontrol */
struct soc_enum {
	unsigned short reg;
	unsigned short reg2;
	unsigned char shift_l;
	unsigned char shift_r;
	unsigned int max;
	unsigned int mask;
	const char **texts;
	const unsigned int *values;
	void *dapm;
};

#include <sound/soc-dai.h>

#endif
Commit	Line	Data
808db4a4 RP	1	/*
	2	* linux/sound/soc.h -- ALSA SoC Layer
	3	*
	4	* Author: Liam Girdwood
	5	* Created: Aug 11th 2005
	6	* Copyright: Wolfson Microelectronics. PLC.
	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	#ifndef __LINUX_SND_SOC_H
	14	#define __LINUX_SND_SOC_H
	15
	16	#include <linux/platform_device.h>
	17	#include <linux/types.h>
4484bb2e	18	#include <linux/workqueue.h>
808db4a4 RP	19	#include <sound/core.h>
	20	#include <sound/pcm.h>
	21	#include <sound/control.h>
	22	#include <sound/ac97_codec.h>
	23
808db4a4 RP	24	/*
	25	* Convenience kcontrol builders
	26	*/
4eaa9819 JS	27	#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \
4eaa9819 JS	28	((unsigned long)&(struct soc_mixer_control) \
762b8df7 MB	29	{.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \
762b8df7 MB	30	.invert = xinvert})
4eaa9819 JS	31	#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
	32	((unsigned long)&(struct soc_mixer_control) \
	33	{.reg = xreg, .max = xmax, .invert = xinvert})
a7a4ac86	34	#define SOC_SINGLE(xname, reg, shift, max, invert) \
808db4a4 RP	35	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	36	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
	37	.put = snd_soc_put_volsw, \
a7a4ac86 PZ	38	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
	39	#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
	40	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	41	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ \|\
	42	SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	43	.tlv.p = (tlv_array), \
	44	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
	45	.put = snd_soc_put_volsw, \
	46	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
4eaa9819	47	#define SOC_DOUBLE(xname, xreg, shift_left, shift_right, xmax, xinvert) \
808db4a4 RP	48	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	49	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
	50	.put = snd_soc_put_volsw, \
4eaa9819 JS	51	.private_value = (unsigned long)&(struct soc_mixer_control) \
	52	{.reg = xreg, .shift = shift_left, .rshift = shift_right, \
	53	.max = xmax, .invert = xinvert} }
	54	#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
808db4a4 RP	55	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	56	.info = snd_soc_info_volsw_2r, \
	57	.get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
4eaa9819 JS	58	.private_value = (unsigned long)&(struct soc_mixer_control) \
	59	{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
	60	.max = xmax, .invert = xinvert} }
	61	#define SOC_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert, tlv_array) \
a7a4ac86 PZ	62	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	63	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ \|\
	64	SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	65	.tlv.p = (tlv_array), \
	66	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
	67	.put = snd_soc_put_volsw, \
4eaa9819 JS	68	.private_value = (unsigned long)&(struct soc_mixer_control) \
	69	{.reg = xreg, .shift = shift_left, .rshift = shift_right,\
	70	.max = xmax, .invert = xinvert} }
	71	#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
a7a4ac86 PZ	72	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	73	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ \|\
	74	SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	75	.tlv.p = (tlv_array), \
	76	.info = snd_soc_info_volsw_2r, \
	77	.get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
4eaa9819 JS	78	.private_value = (unsigned long)&(struct soc_mixer_control) \
	79	{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
	80	.max = xmax, .invert = xinvert} }
	81	#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
e13ac2e9 MB	82	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	83	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ \| \
	84	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
	85	.tlv.p = (tlv_array), \
	86	.info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
	87	.put = snd_soc_put_volsw_s8, \
4eaa9819 JS	88	.private_value = (unsigned long)&(struct soc_mixer_control) \
4eaa9819 JS	89	{.reg = xreg, .min = xmin, .max = xmax} }
f8ba0b7b	90	#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \
808db4a4	91	{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
f8ba0b7b JS	92	.max = xmax, .texts = xtexts }
	93	#define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \
	94	SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts)
	95	#define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \
	96	{ .max = xmax, .texts = xtexts }
2e72f8e3 PU	97	#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \
	98	{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
	99	.mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues}
	100	#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \
	101	SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues)
808db4a4 RP	102	#define SOC_ENUM(xname, xenum) \
	103	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
	104	.info = snd_soc_info_enum_double, \
	105	.get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
	106	.private_value = (unsigned long)&xenum }
2e72f8e3 PU	107	#define SOC_VALUE_ENUM(xname, xenum) \
2e72f8e3 PU	108	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
74155556	109	.info = snd_soc_info_enum_double, \
2e72f8e3 PU	110	.get = snd_soc_get_value_enum_double, \
	111	.put = snd_soc_put_value_enum_double, \
	112	.private_value = (unsigned long)&xenum }
f8ba0b7b	113	#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
808db4a4 RP	114	xhandler_get, xhandler_put) \
808db4a4 RP	115	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
1c433fbd	116	.info = snd_soc_info_volsw, \
808db4a4	117	.get = xhandler_get, .put = xhandler_put, \
f8ba0b7b JS	118	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
f8ba0b7b JS	119	#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
10144c09 MM	120	xhandler_get, xhandler_put, tlv_array) \
	121	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	122	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ \|\
	123	SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	124	.tlv.p = (tlv_array), \
	125	.info = snd_soc_info_volsw, \
	126	.get = xhandler_get, .put = xhandler_put, \
f8ba0b7b	127	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
808db4a4 RP	128	#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
	129	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	130	.info = snd_soc_info_bool_ext, \
	131	.get = xhandler_get, .put = xhandler_put, \
	132	.private_value = xdata }
	133	#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
	134	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	135	.info = snd_soc_info_enum_ext, \
	136	.get = xhandler_get, .put = xhandler_put, \
	137	.private_value = (unsigned long)&xenum }
	138
0be9898a MB	139	/*
	140	* Bias levels
	141	*
	142	* @ON: Bias is fully on for audio playback and capture operations.
	143	* @PREPARE: Prepare for audio operations. Called before DAPM switching for
	144	* stream start and stop operations.
	145	* @STANDBY: Low power standby state when no playback/capture operations are
	146	* in progress. NOTE: The transition time between STANDBY and ON
	147	* should be as fast as possible and no longer than 10ms.
	148	* @OFF: Power Off. No restrictions on transition times.
	149	*/
	150	enum snd_soc_bias_level {
	151	SND_SOC_BIAS_ON,
	152	SND_SOC_BIAS_PREPARE,
	153	SND_SOC_BIAS_STANDBY,
	154	SND_SOC_BIAS_OFF,
	155	};
	156
808db4a4 RP	157	struct snd_soc_device;
	158	struct snd_soc_pcm_stream;
	159	struct snd_soc_ops;
	160	struct snd_soc_dai_mode;
	161	struct snd_soc_pcm_runtime;
3c4b266f	162	struct snd_soc_dai;
12a48a8c	163	struct snd_soc_platform;
808db4a4	164	struct snd_soc_codec;
808db4a4 RP	165	struct soc_enum;
808db4a4 RP	166	struct snd_soc_ac97_ops;
808db4a4 RP	167
	168	typedef int (hw_write_t)(void ,const char* ,int);
	169	typedef int (hw_read_t)(void ,char* ,int);
	170
	171	extern struct snd_ac97_bus_ops soc_ac97_ops;
	172
12a48a8c MB	173	int snd_soc_register_platform(struct snd_soc_platform *platform);
12a48a8c MB	174	void snd_soc_unregister_platform(struct snd_soc_platform *platform);
0d0cf00a MB	175	int snd_soc_register_codec(struct snd_soc_codec *codec);
0d0cf00a MB	176	void snd_soc_unregister_codec(struct snd_soc_codec *codec);
12a48a8c	177
808db4a4 RP	178	/* pcm <-> DAI connect */
	179	void snd_soc_free_pcms(struct snd_soc_device *socdev);
	180	int snd_soc_new_pcms(struct snd_soc_device socdev, int idx, const char xid);
968a6025	181	int snd_soc_init_card(struct snd_soc_device *socdev);
808db4a4 RP	182
	183	/* set runtime hw params */
	184	int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
	185	const struct snd_pcm_hardware *hw);
808db4a4 RP	186
	187	/* codec IO */
	188	#define snd_soc_read(codec, reg) codec->read(codec, reg)
	189	#define snd_soc_write(codec, reg, value) codec->write(codec, reg, value)
	190
	191	/* codec register bit access */
	192	int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
	193	unsigned short mask, unsigned short value);
	194	int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
	195	unsigned short mask, unsigned short value);
	196
	197	int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
	198	struct snd_ac97_bus_ops *ops, int num);
	199	void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
	200
	201	/*
	202	*Controls
	203	*/
	204	struct snd_kcontrol snd_soc_cnew(const struct snd_kcontrol_new _template,
	205	void data, char long_name);
	206	int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
	207	struct snd_ctl_elem_info *uinfo);
	208	int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
	209	struct snd_ctl_elem_info *uinfo);
	210	int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
	211	struct snd_ctl_elem_value *ucontrol);
	212	int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
	213	struct snd_ctl_elem_value *ucontrol);
2e72f8e3 PU	214	int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
	215	struct snd_ctl_elem_value *ucontrol);
	216	int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
	217	struct snd_ctl_elem_value *ucontrol);
808db4a4 RP	218	int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
	219	struct snd_ctl_elem_info *uinfo);
	220	int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
	221	struct snd_ctl_elem_info *uinfo);
392abe9c	222	#define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
808db4a4 RP	223	int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
	224	struct snd_ctl_elem_value *ucontrol);
	225	int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
	226	struct snd_ctl_elem_value *ucontrol);
	227	int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
	228	struct snd_ctl_elem_info *uinfo);
	229	int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
	230	struct snd_ctl_elem_value *ucontrol);
	231	int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
	232	struct snd_ctl_elem_value *ucontrol);
e13ac2e9 MB	233	int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
	234	struct snd_ctl_elem_info *uinfo);
	235	int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
	236	struct snd_ctl_elem_value *ucontrol);
	237	int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
	238	struct snd_ctl_elem_value *ucontrol);
808db4a4 RP	239
	240	/* SoC PCM stream information */
	241	struct snd_soc_pcm_stream {
	242	char *stream_name;
1c433fbd GG	243	u64 formats; /* SNDRV_PCM_FMTBIT_* */
1c433fbd GG	244	unsigned int rates; /* SNDRV_PCM_RATE_* */
808db4a4 RP	245	unsigned int rate_min; /* min rate */
	246	unsigned int rate_max; /* max rate */
	247	unsigned int channels_min; /* min channels */
	248	unsigned int channels_max; /* max channels */
	249	unsigned int active:1; /* stream is in use */
	250	};
	251
	252	/* SoC audio ops */
	253	struct snd_soc_ops {
	254	int (startup)(struct snd_pcm_substream );
	255	void (shutdown)(struct snd_pcm_substream );
	256	int (hw_params)(struct snd_pcm_substream , struct snd_pcm_hw_params *);
	257	int (hw_free)(struct snd_pcm_substream );
	258	int (prepare)(struct snd_pcm_substream );
	259	int (trigger)(struct snd_pcm_substream , int);
	260	};
	261
808db4a4 RP	262	/* SoC Audio Codec */
	263	struct snd_soc_codec {
	264	char *name;
	265	struct module *owner;
	266	struct mutex mutex;
0d0cf00a MB	267	struct device *dev;
	268
	269	struct list_head list;
808db4a4 RP	270
808db4a4 RP	271	/* callbacks */
0be9898a MB	272	int (set_bias_level)(struct snd_soc_codec ,
0be9898a MB	273	enum snd_soc_bias_level level);
808db4a4 RP	274
	275	/* runtime */
	276	struct snd_card *card;
	277	struct snd_ac97 ac97; / for ad-hoc ac97 devices */
	278	unsigned int active;
	279	unsigned int pcm_devs;
	280	void *private_data;
	281
	282	/* codec IO */
	283	void control_data; / codec control (i2c/3wire) data */
	284	unsigned int (read)(struct snd_soc_codec , unsigned int);
	285	int (write)(struct snd_soc_codec , unsigned int, unsigned int);
58cd33c0 MB	286	int (display_register)(struct snd_soc_codec , char *,
58cd33c0 MB	287	size_t, unsigned int);
808db4a4 RP	288	hw_write_t hw_write;
	289	hw_read_t hw_read;
	290	void *reg_cache;
	291	short reg_cache_size;
	292	short reg_cache_step;
	293
	294	/* dapm */
12ef193d	295	u32 pop_time;
808db4a4 RP	296	struct list_head dapm_widgets;
808db4a4 RP	297	struct list_head dapm_paths;
0be9898a MB	298	enum snd_soc_bias_level bias_level;
0be9898a MB	299	enum snd_soc_bias_level suspend_bias_level;
1321b160	300	struct delayed_work delayed_work;
808db4a4 RP	301
808db4a4 RP	302	/* codec DAI's */
3c4b266f	303	struct snd_soc_dai *dai;
808db4a4	304	unsigned int num_dai;
384c89e2 MB	305
	306	#ifdef CONFIG_DEBUG_FS
	307	struct dentry *debugfs_reg;
	308	struct dentry *debugfs_pop_time;
	309	#endif
808db4a4 RP	310	};
	311
	312	/* codec device */
	313	struct snd_soc_codec_device {
	314	int (probe)(struct platform_device pdev);
	315	int (remove)(struct platform_device pdev);
	316	int (suspend)(struct platform_device pdev, pm_message_t state);
	317	int (resume)(struct platform_device pdev);
	318	};
	319
	320	/* SoC platform interface */
	321	struct snd_soc_platform {
	322	char *name;
12a48a8c	323	struct list_head list;
808db4a4 RP	324
	325	int (probe)(struct platform_device pdev);
	326	int (remove)(struct platform_device pdev);
07c84d04 MB	327	int (suspend)(struct snd_soc_dai dai);
07c84d04 MB	328	int (resume)(struct snd_soc_dai dai);
808db4a4 RP	329
808db4a4 RP	330	/* pcm creation and destruction */
3c4b266f	331	int (pcm_new)(struct snd_card , struct snd_soc_dai *,
808db4a4 RP	332	struct snd_pcm *);
	333	void (pcm_free)(struct snd_pcm );
	334
	335	/* platform stream ops */
	336	struct snd_pcm_ops *pcm_ops;
	337	};
	338
	339	/* SoC machine DAI configuration, glues a codec and cpu DAI together */
	340	struct snd_soc_dai_link {
	341	char name; / Codec name */
	342	char stream_name; / Stream name */
	343
	344	/* DAI */
3c4b266f LG	345	struct snd_soc_dai *codec_dai;
3c4b266f LG	346	struct snd_soc_dai *cpu_dai;
1c433fbd GG	347
	348	/* machine stream operations */
	349	struct snd_soc_ops *ops;
808db4a4 RP	350
	351	/* codec/machine specific init - e.g. add machine controls */
	352	int (init)(struct snd_soc_codec codec);
4ccab3e7 LG	353
	354	/* DAI pcm */
	355	struct snd_pcm *pcm;
808db4a4 RP	356	};
808db4a4 RP	357
87506549 MB	358	/* SoC card */
87506549 MB	359	struct snd_soc_card {
808db4a4	360	char *name;
c5af3a2e MB	361	struct device *dev;
	362
	363	struct list_head list;
	364
	365	int instantiated;
808db4a4 RP	366
	367	int (probe)(struct platform_device pdev);
	368	int (remove)(struct platform_device pdev);
	369
	370	/* the pre and post PM functions are used to do any PM work before and
	371	* after the codec and DAI's do any PM work. */
	372	int (suspend_pre)(struct platform_device pdev, pm_message_t state);
	373	int (suspend_post)(struct platform_device pdev, pm_message_t state);
	374	int (resume_pre)(struct platform_device pdev);
	375	int (resume_post)(struct platform_device pdev);
	376
0b4d221b	377	/* callbacks */
87506549	378	int (set_bias_level)(struct snd_soc_card ,
0be9898a	379	enum snd_soc_bias_level level);
0b4d221b	380
808db4a4 RP	381	/* CPU <--> Codec DAI links */
	382	struct snd_soc_dai_link *dai_link;
	383	int num_links;
6308419a MB	384
	385	struct snd_soc_device *socdev;
	386
87689d56	387	struct snd_soc_platform *platform;
6308419a MB	388	struct delayed_work delayed_work;
6308419a MB	389	struct work_struct deferred_resume_work;
808db4a4 RP	390	};
	391
	392	/* SoC Device - the audio subsystem */
	393	struct snd_soc_device {
	394	struct device *dev;
87506549	395	struct snd_soc_card *card;
808db4a4 RP	396	struct snd_soc_codec *codec;
	397	struct snd_soc_codec_device *codec_dev;
	398	void *codec_data;
	399	};
	400
	401	/* runtime channel data */
	402	struct snd_soc_pcm_runtime {
1c433fbd	403	struct snd_soc_dai_link *dai;
808db4a4 RP	404	struct snd_soc_device *socdev;
	405	};
	406
4eaa9819 JS	407	/* mixer control */
	408	struct soc_mixer_control {
	409	int min, max;
815ecf8d	410	unsigned int reg, rreg, shift, rshift, invert;
4eaa9819 JS	411	};
4eaa9819 JS	412
808db4a4 RP	413	/* enumerated kcontrol */
808db4a4 RP	414	struct soc_enum {
2e72f8e3 PU	415	unsigned short reg;
	416	unsigned short reg2;
	417	unsigned char shift_l;
	418	unsigned char shift_r;
	419	unsigned int max;
	420	unsigned int mask;
	421	const char **texts;
	422	const unsigned int *values;
	423	void *dapm;
	424	};
	425
a47cbe72 MB	426	#include <sound/soc-dai.h>
a47cbe72 MB	427
808db4a4	428	#endif