558 lines
18 KiB
C
558 lines
18 KiB
C
/*
|
|
* 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 <linux/interrupt.h>
|
|
#include <linux/kernel.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_DOUBLE_EXT(xname, xreg, shift_left, shift_right, 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 = (unsigned long)&(struct soc_mixer_control) \
|
|
{.reg = xreg, .shift = shift_left, .rshift = shift_right, \
|
|
.max = xmax, .invert = 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_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, 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 = (unsigned long)&(struct soc_mixer_control) \
|
|
{.reg = xreg, .shift = shift_left, .rshift = shift_right, \
|
|
.max = xmax, .invert = xinvert} }
|
|
#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, 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_2r, \
|
|
.get = xhandler_get, .put = xhandler_put, \
|
|
.private_value = (unsigned long)&(struct soc_mixer_control) \
|
|
{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
|
|
.max = xmax, .invert = 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_jack;
|
|
struct snd_soc_card;
|
|
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;
|
|
struct snd_soc_jack;
|
|
struct snd_soc_jack_pin;
|
|
#ifdef CONFIG_GPIOLIB
|
|
struct snd_soc_jack_gpio;
|
|
#endif
|
|
|
|
typedef int (*hw_write_t)(void *,const char* ,int);
|
|
|
|
extern struct snd_ac97_bus_ops soc_ac97_ops;
|
|
|
|
enum snd_soc_control_type {
|
|
SND_SOC_CUSTOM,
|
|
SND_SOC_I2C,
|
|
SND_SOC_SPI,
|
|
};
|
|
|
|
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);
|
|
int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg);
|
|
int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
|
|
int addr_bits, int data_bits,
|
|
enum snd_soc_control_type control);
|
|
|
|
#ifdef CONFIG_PM
|
|
int snd_soc_suspend_device(struct device *dev);
|
|
int snd_soc_resume_device(struct device *dev);
|
|
#endif
|
|
|
|
/* 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);
|
|
|
|
/* Jack reporting */
|
|
int snd_soc_jack_new(struct snd_soc_card *card, const char *id, int type,
|
|
struct snd_soc_jack *jack);
|
|
void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
|
|
int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
|
|
struct snd_soc_jack_pin *pins);
|
|
#ifdef CONFIG_GPIOLIB
|
|
int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
|
|
struct snd_soc_jack_gpio *gpios);
|
|
void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
|
|
struct snd_soc_jack_gpio *gpios);
|
|
#endif
|
|
|
|
/* codec register bit access */
|
|
int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
|
|
unsigned int mask, unsigned int value);
|
|
int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
|
|
unsigned int mask, unsigned int 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_add_controls(struct snd_soc_codec *codec,
|
|
const struct snd_kcontrol_new *controls, int num_controls);
|
|
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);
|
|
|
|
/**
|
|
* struct snd_soc_jack_pin - Describes a pin to update based on jack detection
|
|
*
|
|
* @pin: name of the pin to update
|
|
* @mask: bits to check for in reported jack status
|
|
* @invert: if non-zero then pin is enabled when status is not reported
|
|
*/
|
|
struct snd_soc_jack_pin {
|
|
struct list_head list;
|
|
const char *pin;
|
|
int mask;
|
|
bool invert;
|
|
};
|
|
|
|
/**
|
|
* struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
|
|
*
|
|
* @gpio: gpio number
|
|
* @name: gpio name
|
|
* @report: value to report when jack detected
|
|
* @invert: report presence in low state
|
|
* @debouce_time: debouce time in ms
|
|
*/
|
|
#ifdef CONFIG_GPIOLIB
|
|
struct snd_soc_jack_gpio {
|
|
unsigned int gpio;
|
|
const char *name;
|
|
int report;
|
|
int invert;
|
|
int debounce_time;
|
|
struct snd_soc_jack *jack;
|
|
struct work_struct work;
|
|
};
|
|
#endif
|
|
|
|
struct snd_soc_jack {
|
|
struct snd_jack *jack;
|
|
struct snd_soc_card *card;
|
|
struct list_head pins;
|
|
int status;
|
|
};
|
|
|
|
/* 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 snd_soc_device *socdev;
|
|
|
|
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);
|
|
int (*volatile_register)(unsigned int);
|
|
int (*readable_register)(unsigned int);
|
|
hw_write_t hw_write;
|
|
unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
|
|
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;
|
|
struct dentry *debugfs_dapm;
|
|
#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);
|
|
|
|
/* Symmetry requirements */
|
|
unsigned int symmetric_rates:1;
|
|
|
|
/* Symmetry data - only valid if symmetry is being enforced */
|
|
unsigned int rate;
|
|
|
|
/* 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_codec *codec;
|
|
|
|
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_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;
|
|
};
|
|
|
|
/* codec IO */
|
|
static inline unsigned int snd_soc_read(struct snd_soc_codec *codec,
|
|
unsigned int reg)
|
|
{
|
|
return codec->read(codec, reg);
|
|
}
|
|
|
|
static inline unsigned int snd_soc_write(struct snd_soc_codec *codec,
|
|
unsigned int reg, unsigned int val)
|
|
{
|
|
return codec->write(codec, reg, val);
|
|
}
|
|
|
|
#include <sound/soc-dai.h>
|
|
|
|
#endif
|