mirror of https://gitee.com/openkylin/linux.git
1441 lines
49 KiB
C
1441 lines
49 KiB
C
/* 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_calc_hw(struct snd_soc_pcm_runtime *rtd,
|
|
struct snd_pcm_hardware *hw, 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;
|
|
|
|
struct snd_soc_dapm_widget *playback_widget;
|
|
struct snd_soc_dapm_widget *capture_widget;
|
|
|
|
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;
|
|
bool disable_route_checks;
|
|
|
|
/* 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)
|
|
|
|
#define for_each_card_dapms(card, dapm) \
|
|
list_for_each_entry(dapm, &card->dapm_list, list)
|
|
|
|
#define for_each_card_widgets(card, w)\
|
|
list_for_each_entry(w, &card->widgets, list)
|
|
#define for_each_card_widgets_safe(card, w, _w) \
|
|
list_for_each_entry_safe(w, _w, &card->widgets, 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 **dais;
|
|
|
|
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 */
|
|
};
|
|
/* see soc_new_pcm_runtime() */
|
|
#define asoc_rtd_to_cpu(rtd, n) (rtd)->dais[n]
|
|
#define asoc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->num_cpus]
|
|
|
|
#define for_each_rtd_components(rtd, i, component) \
|
|
for ((i) = 0; \
|
|
((i) < rtd->num_components) && ((component) = rtd->components[i]);\
|
|
(i)++)
|
|
#define for_each_rtd_cpu_dais(rtd, i, dai) \
|
|
for ((i) = 0; \
|
|
((i) < rtd->num_cpus) && ((dai) = rtd->cpu_dais[i]); \
|
|
(i)++)
|
|
#define for_each_rtd_cpu_dais_rollback(rtd, i, dai) \
|
|
for (; (--(i) >= 0) && ((dai) = rtd->cpu_dais[i]);)
|
|
#define for_each_rtd_codec_dais(rtd, i, dai) \
|
|
for ((i) = 0; \
|
|
((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \
|
|
(i)++)
|
|
#define for_each_rtd_codec_dais_rollback(rtd, i, dai) \
|
|
for (; (--(i) >= 0) && ((dai) = rtd->codec_dais[i]);)
|
|
#define for_each_rtd_dais(rtd, i, dai) \
|
|
for ((i) = 0; \
|
|
((i) < (rtd)->num_cpus + (rtd)->num_codecs) && \
|
|
((dai) = (rtd)->dais[i]); \
|
|
(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
|