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linux/include/sound/soc.h
Shreyas NC 76afa64374
ASoC: Add initial support for multiple CPU DAIs 
ASoC core supports multiple codec DAIs but supports only a CPU DAI.
To support multiple cpu DAIs, add cpu_dai and num_cpu_dai in
snd_soc_dai_link and snd_soc_pcm_runtime structures similar to
support for codec_dai. This is intended as a preparatory patch to
eventually support the unification of the Codec and CPU DAI.

Inline with multiple codec DAI approach, add support to allocate,
init, bind and probe multiple cpu_dai on init if driver specifies
that. Also add support to loop over multiple cpu_dai during
suspend and resume.

This is intended as a preparatory patch to eventually unify the CPU
and Codec DAI into DAI components.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Shreyas NC <shreyas.nc@intel.com>
Link: https://lore.kernel.org/r/20200225133917.21314-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-26 17:35:00 +00:00

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/* SPDX-License-Identifier: GPL-2.0
*
* linux/sound/soc.h -- ALSA SoC Layer
*
* Author: Liam Girdwood
* Created: Aug 11th 2005
* Copyright: Wolfson Microelectronics. PLC.
*/
#ifndef __LINUX_SND_SOC_H
#define __LINUX_SND_SOC_H
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/notifier.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/regmap.h>
#include <linux/log2.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/compress_driver.h>
#include <sound/control.h>
#include <sound/ac97_codec.h>
/*
* Convenience kcontrol builders
*/
#define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
((unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .rreg = xreg, .shift = shift_left, \
.rshift = shift_right, .max = xmax, .platform_max = xmax, \
.invert = xinvert, .autodisable = xautodisable})
#define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
((unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .rreg = xreg, .shift = shift_left, \
.rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
.sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
((unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
#define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
((unsigned long)&(struct soc_mixer_control) \
{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
.max = xmax, .platform_max = xmax, .invert = xinvert})
#define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
((unsigned long)&(struct soc_mixer_control) \
{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
.max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
.invert = xinvert})
#define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
((unsigned long)&(struct soc_mixer_control) \
{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
.min = xmin, .max = xmax, .platform_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, 0) }
#define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
.info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
.put = snd_soc_put_volsw_range, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .rreg = xreg, .shift = xshift, \
.rshift = xshift, .min = xmin, .max = xmax, \
.platform_max = xmax, .invert = xinvert} }
#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, 0) }
#define SOC_SINGLE_SX_TLV(xname, xreg, xshift, 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_sx, \
.get = snd_soc_get_volsw_sx,\
.put = snd_soc_put_volsw_sx, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .rreg = xreg, \
.shift = xshift, .rshift = xshift, \
.max = xmax, .min = xmin} }
#define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, 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_range, \
.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .rreg = xreg, .shift = xshift, \
.rshift = xshift, .min = xmin, .max = xmax, \
.platform_max = xmax, .invert = xinvert} }
#define SOC_DOUBLE(xname, reg, shift_left, shift_right, 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_DOUBLE_VALUE(reg, shift_left, shift_right, \
max, invert, 0) }
#define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
{ \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
.access = SNDRV_CTL_ELEM_ACCESS_READ | \
SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
max, invert, 0) }
#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, \
.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
xmax, xinvert) }
#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
xmax, xinvert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
.info = snd_soc_info_volsw_range, \
.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
xshift, xmin, xmax, xinvert) }
#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, 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_DOUBLE_VALUE(reg, shift_left, shift_right, \
max, invert, 0) }
#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, \
.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
xmax, xinvert) }
#define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
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_range, \
.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
xshift, xmin, xmax, xinvert) }
#define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, 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_sx, \
.get = snd_soc_get_volsw_sx, \
.put = snd_soc_put_volsw_sx, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .rreg = xrreg, \
.shift = xshift, .rshift = xshift, \
.max = xmax, .min = xmin} }
#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, 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 = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
xmin, xmax, xsign_bit, xinvert) }
#define SOC_SINGLE_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, .get = snd_soc_get_volsw,\
.put = snd_soc_put_volsw, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .rreg = xreg, \
.min = xmin, .max = xmax, .platform_max = xmax, \
.sign_bit = 7,} }
#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, .get = snd_soc_get_volsw,\
.put = snd_soc_put_volsw, \
.private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
.items = xitems, .texts = xtexts, \
.mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
{ .items = xitems, .texts = xtexts }
#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
.mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
{ .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
.mask = xmask, .items = xitems, .texts = xtexts, \
.values = xvalues, .autodisable = 1}
#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
#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_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, 0) }
#define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
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_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, 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_DOUBLE_R_VALUE(reg_left, reg_right, 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, 0) }
#define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, 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_range, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .rreg = xreg, .shift = xshift, \
.rshift = xshift, .min = xmin, .max = xmax, \
.platform_max = xmax, .invert = 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 = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
xmax, xinvert, 0) }
#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, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, 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_double, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = (unsigned long)&xenum }
#define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
#define SND_SOC_BYTES(xname, xbase, xregs) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
.put = snd_soc_bytes_put, .private_value = \
((unsigned long)&(struct soc_bytes) \
{.base = xbase, .num_regs = xregs }) }
#define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_bytes_info, .get = xhandler_get, \
.put = xhandler_put, .private_value = \
((unsigned long)&(struct soc_bytes) \
{.base = xbase, .num_regs = xregs }) }
#define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
.put = snd_soc_bytes_put, .private_value = \
((unsigned long)&(struct soc_bytes) \
{.base = xbase, .num_regs = xregs, \
.mask = xmask }) }
/*
* SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
*/
#define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_bytes_info_ext, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = (unsigned long)&(struct soc_bytes_ext) \
{.max = xcount} }
#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
.tlv.c = (snd_soc_bytes_tlv_callback), \
.info = snd_soc_bytes_info_ext, \
.private_value = (unsigned long)&(struct soc_bytes_ext) \
{.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
xmin, xmax, xinvert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
.put = snd_soc_put_xr_sx, \
.private_value = (unsigned long)&(struct soc_mreg_control) \
{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
.invert = xinvert, .min = xmin, .max = xmax} }
#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
snd_soc_get_strobe, snd_soc_put_strobe)
/*
* Simplified versions of above macros, declaring a struct and calculating
* ARRAY_SIZE internally
*/
#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
ARRAY_SIZE(xtexts), xtexts)
#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
ARRAY_SIZE(xtexts), xtexts, xvalues)
#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
/*
* 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_OFF = 0,
SND_SOC_BIAS_STANDBY = 1,
SND_SOC_BIAS_PREPARE = 2,
SND_SOC_BIAS_ON = 3,
};
struct device_node;
struct snd_jack;
struct snd_soc_card;
struct snd_soc_pcm_stream;
struct snd_soc_ops;
struct snd_soc_pcm_runtime;
struct snd_soc_dai;
struct snd_soc_dai_driver;
struct snd_soc_dai_link;
struct snd_soc_component;
struct snd_soc_component_driver;
struct soc_enum;
struct snd_soc_jack;
struct snd_soc_jack_zone;
struct snd_soc_jack_pin;
#include <sound/soc-dapm.h>
#include <sound/soc-dpcm.h>
#include <sound/soc-topology.h>
struct snd_soc_jack_gpio;
typedef int (*hw_write_t)(void *,const char* ,int);
enum snd_soc_pcm_subclass {
SND_SOC_PCM_CLASS_PCM = 0,
SND_SOC_PCM_CLASS_BE = 1,
};
enum snd_soc_card_subclass {
SND_SOC_CARD_CLASS_INIT = 0,
SND_SOC_CARD_CLASS_RUNTIME = 1,
};
int snd_soc_register_card(struct snd_soc_card *card);
int snd_soc_unregister_card(struct snd_soc_card *card);
int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
#ifdef CONFIG_PM_SLEEP
int snd_soc_suspend(struct device *dev);
int snd_soc_resume(struct device *dev);
#else
static inline int snd_soc_suspend(struct device *dev)
{
return 0;
}
static inline int snd_soc_resume(struct device *dev)
{
return 0;
}
#endif
int snd_soc_poweroff(struct device *dev);
int snd_soc_add_component(struct device *dev,
struct snd_soc_component *component,
const struct snd_soc_component_driver *component_driver,
struct snd_soc_dai_driver *dai_drv,
int num_dai);
int snd_soc_register_component(struct device *dev,
const struct snd_soc_component_driver *component_driver,
struct snd_soc_dai_driver *dai_drv, int num_dai);
int devm_snd_soc_register_component(struct device *dev,
const struct snd_soc_component_driver *component_driver,
struct snd_soc_dai_driver *dai_drv, int num_dai);
void snd_soc_unregister_component(struct device *dev);
struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
const char *driver_name);
int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
#ifdef CONFIG_SND_SOC_COMPRESS
int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
#else
static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
{
return 0;
}
#endif
void snd_soc_disconnect_sync(struct device *dev);
struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link);
bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
unsigned int dai_fmt);
#ifdef CONFIG_DMI
int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
#else
static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
const char *flavour)
{
return 0;
}
#endif
/* Utility functions to get clock rates from various things */
int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
/* 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_card_jack_new(struct snd_soc_card *card, const char *id, int type,
struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
unsigned int num_pins);
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);
void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
struct notifier_block *nb);
void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
struct notifier_block *nb);
int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
struct snd_soc_jack_zone *zones);
int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
#ifdef CONFIG_GPIOLIB
int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
struct snd_soc_jack_gpio *gpios);
int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
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);
#else
static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
struct snd_soc_jack_gpio *gpios)
{
return 0;
}
static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
struct snd_soc_jack *jack,
int count,
struct snd_soc_jack_gpio *gpios)
{
return 0;
}
static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
struct snd_soc_jack_gpio *gpios)
{
}
#endif
struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
unsigned int id, unsigned int id_mask);
void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
#ifdef CONFIG_SND_SOC_AC97_BUS
int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
struct platform_device *pdev);
extern struct snd_ac97_bus_ops *soc_ac97_ops;
#else
static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
struct platform_device *pdev)
{
return 0;
}
static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
{
return 0;
}
#endif
/*
*Controls
*/
struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
void *data, const char *long_name,
const char *prefix);
struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
const char *name);
int snd_soc_add_component_controls(struct snd_soc_component *component,
const struct snd_kcontrol_new *controls, unsigned int num_controls);
int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
const struct snd_kcontrol_new *controls, int num_controls);
int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
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_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_info_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
int snd_soc_info_volsw_sx(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);
#define snd_soc_get_volsw_2r snd_soc_get_volsw
#define snd_soc_put_volsw_2r snd_soc_put_volsw
int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_limit_volume(struct snd_soc_card *card,
const char *name, int max);
int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *ucontrol);
int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
unsigned int size, unsigned int __user *tlv);
int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_strobe(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
* @list: internal list entry
*/
struct snd_soc_jack_pin {
struct list_head list;
const char *pin;
int mask;
bool invert;
};
/**
* struct snd_soc_jack_zone - Describes voltage zones of jack detection
*
* @min_mv: start voltage in mv
* @max_mv: end voltage in mv
* @jack_type: type of jack that is expected for this voltage
* @debounce_time: debounce_time for jack, codec driver should wait for this
* duration before reading the adc for voltages
* @list: internal list entry
*/
struct snd_soc_jack_zone {
unsigned int min_mv;
unsigned int max_mv;
unsigned int jack_type;
unsigned int debounce_time;
struct list_head list;
};
/**
* struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
*
* @gpio: legacy gpio number
* @idx: gpio descriptor index within the function of the GPIO
* consumer device
* @gpiod_dev: GPIO consumer device
* @name: gpio name. Also as connection ID for the GPIO consumer
* device function name lookup
* @report: value to report when jack detected
* @invert: report presence in low state
* @debounce_time: debounce time in ms
* @wake: enable as wake source
* @jack_status_check: callback function which overrides the detection
* to provide more complex checks (eg, reading an
* ADC).
*/
struct snd_soc_jack_gpio {
unsigned int gpio;
unsigned int idx;
struct device *gpiod_dev;
const char *name;
int report;
int invert;
int debounce_time;
bool wake;
/* private: */
struct snd_soc_jack *jack;
struct delayed_work work;
struct notifier_block pm_notifier;
struct gpio_desc *desc;
void *data;
/* public: */
int (*jack_status_check)(void *data);
};
struct snd_soc_jack {
struct mutex mutex;
struct snd_jack *jack;
struct snd_soc_card *card;
struct list_head pins;
int status;
struct blocking_notifier_head notifier;
struct list_head jack_zones;
};
/* SoC PCM stream information */
struct snd_soc_pcm_stream {
const 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 sig_bits; /* number of bits of content */
};
/* 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);
};
struct snd_soc_compr_ops {
int (*startup)(struct snd_compr_stream *);
void (*shutdown)(struct snd_compr_stream *);
int (*set_params)(struct snd_compr_stream *);
int (*trigger)(struct snd_compr_stream *);
};
struct snd_soc_component*
snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
const char *driver_name);
struct snd_soc_dai_link_component {
const char *name;
struct device_node *of_node;
const char *dai_name;
};
struct snd_soc_dai_link {
/* config - must be set by machine driver */
const char *name; /* Codec name */
const char *stream_name; /* Stream name */
/*
* You MAY specify the link's CPU-side device, either by device name,
* or by DT/OF node, but not both. If this information is omitted,
* the CPU-side DAI is matched using .cpu_dai_name only, which hence
* must be globally unique. These fields are currently typically used
* only for codec to codec links, or systems using device tree.
*/
/*
* You MAY specify the DAI name of the CPU DAI. If this information is
* omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
* only, which only works well when that device exposes a single DAI.
*/
struct snd_soc_dai_link_component *cpus;
unsigned int num_cpus;
/*
* You MUST specify the link's codec, either by device name, or by
* DT/OF node, but not both.
*/
/* You MUST specify the DAI name within the codec */
struct snd_soc_dai_link_component *codecs;
unsigned int num_codecs;
/*
* You MAY specify the link's platform/PCM/DMA driver, either by
* device name, or by DT/OF node, but not both. Some forms of link
* do not need a platform. In such case, platforms are not mandatory.
*/
struct snd_soc_dai_link_component *platforms;
unsigned int num_platforms;
int id; /* optional ID for machine driver link identification */
const struct snd_soc_pcm_stream *params;
unsigned int num_params;
unsigned int dai_fmt; /* format to set on init */
enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
/* codec/machine specific init - e.g. add machine controls */
int (*init)(struct snd_soc_pcm_runtime *rtd);
/* optional hw_params re-writing for BE and FE sync */
int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params);
/* machine stream operations */
const struct snd_soc_ops *ops;
const struct snd_soc_compr_ops *compr_ops;
/* Mark this pcm with non atomic ops */
bool nonatomic;
/* For unidirectional dai links */
unsigned int playback_only:1;
unsigned int capture_only:1;
/* Keep DAI active over suspend */
unsigned int ignore_suspend:1;
/* Symmetry requirements */
unsigned int symmetric_rates:1;
unsigned int symmetric_channels:1;
unsigned int symmetric_samplebits:1;
/* Do not create a PCM for this DAI link (Backend link) */
unsigned int no_pcm:1;
/* This DAI link can route to other DAI links at runtime (Frontend)*/
unsigned int dynamic:1;
/* DPCM capture and Playback support */
unsigned int dpcm_capture:1;
unsigned int dpcm_playback:1;
/* DPCM used FE & BE merged format */
unsigned int dpcm_merged_format:1;
/* DPCM used FE & BE merged channel */
unsigned int dpcm_merged_chan:1;
/* DPCM used FE & BE merged rate */
unsigned int dpcm_merged_rate:1;
/* pmdown_time is ignored at stop */
unsigned int ignore_pmdown_time:1;
/* Do not create a PCM for this DAI link (Backend link) */
unsigned int ignore:1;
#ifdef CONFIG_SND_SOC_TOPOLOGY
struct snd_soc_dobj dobj; /* For topology */
#endif
};
#define for_each_link_codecs(link, i, codec) \
for ((i) = 0; \
((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \
(i)++)
#define for_each_link_platforms(link, i, platform) \
for ((i) = 0; \
((i) < link->num_platforms) && \
((platform) = &link->platforms[i]); \
(i)++)
#define for_each_link_cpus(link, i, cpu) \
for ((i) = 0; \
((i) < link->num_cpus) && ((cpu) = &link->cpus[i]); \
(i)++)
/*
* Sample 1 : Single CPU/Codec/Platform
*
* SND_SOC_DAILINK_DEFS(test,
* DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
* DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
* DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
*
* struct snd_soc_dai_link link = {
* ...
* SND_SOC_DAILINK_REG(test),
* };
*
* Sample 2 : Multi CPU/Codec, no Platform
*
* SND_SOC_DAILINK_DEFS(test,
* DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
* COMP_CPU("cpu_dai2")),
* DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
* COMP_CODEC("codec2", "codec_dai2")));
*
* struct snd_soc_dai_link link = {
* ...
* SND_SOC_DAILINK_REG(test),
* };
*
* Sample 3 : Define each CPU/Codec/Platform manually
*
* SND_SOC_DAILINK_DEF(test_cpu,
* DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
* COMP_CPU("cpu_dai2")));
* SND_SOC_DAILINK_DEF(test_codec,
* DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
* COMP_CODEC("codec2", "codec_dai2")));
* SND_SOC_DAILINK_DEF(test_platform,
* DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
*
* struct snd_soc_dai_link link = {
* ...
* SND_SOC_DAILINK_REG(test_cpu,
* test_codec,
* test_platform),
* };
*
* Sample 4 : Sample3 without platform
*
* struct snd_soc_dai_link link = {
* ...
* SND_SOC_DAILINK_REG(test_cpu,
* test_codec);
* };
*/
#define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
#define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
#define SND_SOC_DAILINK_REG3(cpu, codec, platform) \
.cpus = cpu, \
.num_cpus = ARRAY_SIZE(cpu), \
.codecs = codec, \
.num_codecs = ARRAY_SIZE(codec), \
.platforms = platform, \
.num_platforms = ARRAY_SIZE(platform)
#define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func
#define SND_SOC_DAILINK_REG(...) \
SND_SOC_DAILINK_REGx(__VA_ARGS__, \
SND_SOC_DAILINK_REG3, \
SND_SOC_DAILINK_REG2, \
SND_SOC_DAILINK_REG1)(__VA_ARGS__)
#define SND_SOC_DAILINK_DEF(name, def...) \
static struct snd_soc_dai_link_component name[] = { def }
#define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \
SND_SOC_DAILINK_DEF(name##_cpus, cpu); \
SND_SOC_DAILINK_DEF(name##_codecs, codec); \
SND_SOC_DAILINK_DEF(name##_platforms, platform)
#define DAILINK_COMP_ARRAY(param...) param
#define COMP_EMPTY() { }
#define COMP_CPU(_dai) { .dai_name = _dai, }
#define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, }
#define COMP_PLATFORM(_name) { .name = _name }
#define COMP_AUX(_name) { .name = _name }
#define COMP_CODEC_CONF(_name) { .name = _name }
#define COMP_DUMMY() { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", }
extern struct snd_soc_dai_link_component null_dailink_component[0];
struct snd_soc_codec_conf {
/*
* specify device either by device name, or by
* DT/OF node, but not both.
*/
struct snd_soc_dai_link_component dlc;
/*
* optional map of kcontrol, widget and path name prefixes that are
* associated per device
*/
const char *name_prefix;
};
struct snd_soc_aux_dev {
/*
* specify multi-codec either by device name, or by
* DT/OF node, but not both.
*/
struct snd_soc_dai_link_component dlc;
/* codec/machine specific init - e.g. add machine controls */
int (*init)(struct snd_soc_component *component);
};
/* SoC card */
struct snd_soc_card {
const char *name;
const char *long_name;
const char *driver_name;
const char *components;
#ifdef CONFIG_DMI
char dmi_longname[80];
#endif /* CONFIG_DMI */
char topology_shortname[32];
struct device *dev;
struct snd_card *snd_card;
struct module *owner;
struct mutex mutex;
struct mutex dapm_mutex;
/* Mutex for PCM operations */
struct mutex pcm_mutex;
enum snd_soc_pcm_subclass pcm_subclass;
spinlock_t dpcm_lock;
bool instantiated;
bool topology_shortname_created;
int (*probe)(struct snd_soc_card *card);
int (*late_probe)(struct snd_soc_card *card);
int (*remove)(struct snd_soc_card *card);
/* 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 snd_soc_card *card);
int (*suspend_post)(struct snd_soc_card *card);
int (*resume_pre)(struct snd_soc_card *card);
int (*resume_post)(struct snd_soc_card *card);
/* callbacks */
int (*set_bias_level)(struct snd_soc_card *,
struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level);
int (*set_bias_level_post)(struct snd_soc_card *,
struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level);
int (*add_dai_link)(struct snd_soc_card *,
struct snd_soc_dai_link *link);
void (*remove_dai_link)(struct snd_soc_card *,
struct snd_soc_dai_link *link);
long pmdown_time;
/* CPU <--> Codec DAI links */
struct snd_soc_dai_link *dai_link; /* predefined links only */
int num_links; /* predefined links only */
struct list_head rtd_list;
int num_rtd;
/* optional codec specific configuration */
struct snd_soc_codec_conf *codec_conf;
int num_configs;
/*
* optional auxiliary devices such as amplifiers or codecs with DAI
* link unused
*/
struct snd_soc_aux_dev *aux_dev;
int num_aux_devs;
struct list_head aux_comp_list;
const struct snd_kcontrol_new *controls;
int num_controls;
/*
* Card-specific routes and widgets.
* Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
*/
const struct snd_soc_dapm_widget *dapm_widgets;
int num_dapm_widgets;
const struct snd_soc_dapm_route *dapm_routes;
int num_dapm_routes;
const struct snd_soc_dapm_widget *of_dapm_widgets;
int num_of_dapm_widgets;
const struct snd_soc_dapm_route *of_dapm_routes;
int num_of_dapm_routes;
bool fully_routed;
/* lists of probed devices belonging to this card */
struct list_head component_dev_list;
struct list_head list;
struct list_head widgets;
struct list_head paths;
struct list_head dapm_list;
struct list_head dapm_dirty;
/* attached dynamic objects */
struct list_head dobj_list;
/* Generic DAPM context for the card */
struct snd_soc_dapm_context dapm;
struct snd_soc_dapm_stats dapm_stats;
struct snd_soc_dapm_update *update;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_card_root;
#endif
#ifdef CONFIG_PM_SLEEP
struct work_struct deferred_resume_work;
#endif
u32 pop_time;
void *drvdata;
};
#define for_each_card_prelinks(card, i, link) \
for ((i) = 0; \
((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
(i)++)
#define for_each_card_pre_auxs(card, i, aux) \
for ((i) = 0; \
((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
(i)++)
#define for_each_card_rtds(card, rtd) \
list_for_each_entry(rtd, &(card)->rtd_list, list)
#define for_each_card_rtds_safe(card, rtd, _rtd) \
list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
#define for_each_card_auxs(card, component) \
list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
#define for_each_card_auxs_safe(card, component, _comp) \
list_for_each_entry_safe(component, _comp, \
&card->aux_comp_list, card_aux_list)
#define for_each_card_components(card, component) \
list_for_each_entry(component, &(card)->component_dev_list, card_list)
/* SoC machine DAI configuration, glues a codec and cpu DAI together */
struct snd_soc_pcm_runtime {
struct device *dev;
struct snd_soc_card *card;
struct snd_soc_dai_link *dai_link;
struct snd_pcm_ops ops;
unsigned int params_select; /* currently selected param for dai link */
/* Dynamic PCM BE runtime data */
struct snd_soc_dpcm_runtime dpcm[2];
long pmdown_time;
/* runtime devices */
struct snd_pcm *pcm;
struct snd_compr *compr;
struct snd_soc_dai *codec_dai;
struct snd_soc_dai *cpu_dai;
struct snd_soc_dai **codec_dais;
unsigned int num_codecs;
struct snd_soc_dai **cpu_dais;
unsigned int num_cpus;
struct delayed_work delayed_work;
void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_dpcm_root;
#endif
unsigned int num; /* 0-based and monotonic increasing */
struct list_head list; /* rtd list of the soc card */
/* bit field */
unsigned int pop_wait:1;
unsigned int fe_compr:1; /* for Dynamic PCM */
int num_components;
struct snd_soc_component *components[0]; /* CPU/Codec/Platform */
};
#define for_each_rtd_components(rtd, i, component) \
for ((i) = 0; \
((i) < rtd->num_components) && ((component) = rtd->components[i]);\
(i)++)
#define for_each_rtd_codec_dai(rtd, i, dai)\
for ((i) = 0; \
((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \
(i)++)
#define for_each_rtd_codec_dai_rollback(rtd, i, dai) \
for (; (--(i) >= 0) && ((dai) = rtd->codec_dais[i]);)
#define for_each_rtd_cpu_dai(rtd, i, dai)\
for ((i) = 0; \
((i) < rtd->num_cpus) && ((dai) = rtd->cpu_dais[i]); \
(i)++)
#define for_each_rtd_cpu_dai_rollback(rtd, i, dai) \
for (; (--(i) >= 0) && ((dai) = rtd->cpu_dais[i]);)
void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
/* mixer control */
struct soc_mixer_control {
int min, max, platform_max;
int reg, rreg;
unsigned int shift, rshift;
unsigned int sign_bit;
unsigned int invert:1;
unsigned int autodisable:1;
#ifdef CONFIG_SND_SOC_TOPOLOGY
struct snd_soc_dobj dobj;
#endif
};
struct soc_bytes {
int base;
int num_regs;
u32 mask;
};
struct soc_bytes_ext {
int max;
#ifdef CONFIG_SND_SOC_TOPOLOGY
struct snd_soc_dobj dobj;
#endif
/* used for TLV byte control */
int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
unsigned int size);
int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
unsigned int size);
};
/* multi register control */
struct soc_mreg_control {
long min, max;
unsigned int regbase, regcount, nbits, invert;
};
/* enumerated kcontrol */
struct soc_enum {
int reg;
unsigned char shift_l;
unsigned char shift_r;
unsigned int items;
unsigned int mask;
const char * const *texts;
const unsigned int *values;
unsigned int autodisable:1;
#ifdef CONFIG_SND_SOC_TOPOLOGY
struct snd_soc_dobj dobj;
#endif
};
/* device driver data */
static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
void *data)
{
card->drvdata = data;
}
static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
{
return card->drvdata;
}
static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
{
if (mc->reg == mc->rreg && mc->shift == mc->rshift)
return 0;
/*
* mc->reg == mc->rreg && mc->shift != mc->rshift, or
* mc->reg != mc->rreg means that the control is
* stereo (bits in one register or in two registers)
*/
return 1;
}
static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
unsigned int val)
{
unsigned int i;
if (!e->values)
return val;
for (i = 0; i < e->items; i++)
if (val == e->values[i])
return i;
return 0;
}
static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
unsigned int item)
{
if (!e->values)
return item;
return e->values[item];
}
/**
* snd_soc_kcontrol_component() - Returns the component that registered the
* control
* @kcontrol: The control for which to get the component
*
* Note: This function will work correctly if the control has been registered
* for a component. With snd_soc_add_codec_controls() or via table based
* setup for either a CODEC or component driver. Otherwise the behavior is
* undefined.
*/
static inline struct snd_soc_component *snd_soc_kcontrol_component(
struct snd_kcontrol *kcontrol)
{
return snd_kcontrol_chip(kcontrol);
}
int snd_soc_util_init(void);
void snd_soc_util_exit(void);
int snd_soc_of_parse_card_name(struct snd_soc_card *card,
const char *propname);
int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
const char *propname);
int snd_soc_of_get_slot_mask(struct device_node *np,
const char *prop_name,
unsigned int *mask);
int snd_soc_of_parse_tdm_slot(struct device_node *np,
unsigned int *tx_mask,
unsigned int *rx_mask,
unsigned int *slots,
unsigned int *slot_width);
void snd_soc_of_parse_node_prefix(struct device_node *np,
struct snd_soc_codec_conf *codec_conf,
struct device_node *of_node,
const char *propname);
static inline
void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
struct snd_soc_codec_conf *codec_conf,
struct device_node *of_node,
const char *propname)
{
snd_soc_of_parse_node_prefix(card->dev->of_node,
codec_conf, of_node, propname);
}
int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
const char *propname);
unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
const char *prefix,
struct device_node **bitclkmaster,
struct device_node **framemaster);
int snd_soc_get_dai_id(struct device_node *ep);
int snd_soc_get_dai_name(struct of_phandle_args *args,
const char **dai_name);
int snd_soc_of_get_dai_name(struct device_node *of_node,
const char **dai_name);
int snd_soc_of_get_dai_link_codecs(struct device *dev,
struct device_node *of_node,
struct snd_soc_dai_link *dai_link);
void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link);
void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
struct snd_soc_pcm_runtime *rtd);
struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
struct snd_soc_dai_driver *dai_drv,
bool legacy_dai_naming);
void snd_soc_unregister_dai(struct snd_soc_dai *dai);
struct snd_soc_dai *snd_soc_find_dai(
const struct snd_soc_dai_link_component *dlc);
#include <sound/soc-dai.h>
static inline
struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
const char *dai_name)
{
struct snd_soc_pcm_runtime *rtd;
list_for_each_entry(rtd, &card->rtd_list, list) {
if (!strcmp(rtd->codec_dai->name, dai_name))
return rtd->codec_dai;
}
return NULL;
}
static inline
int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
const char *platform_name)
{
struct snd_soc_dai_link *dai_link;
const char *name;
int i;
if (!platform_name) /* nothing to do */
return 0;
/* set platform name for each dailink */
for_each_card_prelinks(card, i, dai_link) {
name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
if (!name)
return -ENOMEM;
if (!dai_link->platforms)
return -EINVAL;
/* only single platform is supported for now */
dai_link->platforms->name = name;
}
return 0;
}
#ifdef CONFIG_DEBUG_FS
extern struct dentry *snd_soc_debugfs_root;
#endif
extern const struct dev_pm_ops snd_soc_pm_ops;
/* Helper functions */
static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
{
mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
}
static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
{
mutex_unlock(&dapm->card->dapm_mutex);
}
#include <sound/soc-component.h>
#endif
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