linux/include/sound/soc.h
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   1/* SPDX-License-Identifier: GPL-2.0
   2 *
   3 * linux/sound/soc.h -- ALSA SoC Layer
   4 *
   5 * Author:      Liam Girdwood
   6 * Created:     Aug 11th 2005
   7 * Copyright:   Wolfson Microelectronics. PLC.
   8 */
   9
  10#ifndef __LINUX_SND_SOC_H
  11#define __LINUX_SND_SOC_H
  12
  13#include <linux/of.h>
  14#include <linux/platform_device.h>
  15#include <linux/types.h>
  16#include <linux/notifier.h>
  17#include <linux/workqueue.h>
  18#include <linux/interrupt.h>
  19#include <linux/kernel.h>
  20#include <linux/regmap.h>
  21#include <linux/log2.h>
  22#include <sound/core.h>
  23#include <sound/pcm.h>
  24#include <sound/compress_driver.h>
  25#include <sound/control.h>
  26#include <sound/ac97_codec.h>
  27
  28/*
  29 * Convenience kcontrol builders
  30 */
  31#define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
  32        ((unsigned long)&(struct soc_mixer_control) \
  33        {.reg = xreg, .rreg = xreg, .shift = shift_left, \
  34        .rshift = shift_right, .max = xmax, .platform_max = xmax, \
  35        .invert = xinvert, .autodisable = xautodisable})
  36#define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
  37        ((unsigned long)&(struct soc_mixer_control) \
  38        {.reg = xreg, .rreg = xreg, .shift = shift_left, \
  39        .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
  40        .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
  41#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
  42        SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
  43#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
  44        ((unsigned long)&(struct soc_mixer_control) \
  45        {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
  46#define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
  47        ((unsigned long)&(struct soc_mixer_control) \
  48        {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  49        .max = xmax, .platform_max = xmax, .invert = xinvert})
  50#define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
  51        ((unsigned long)&(struct soc_mixer_control) \
  52        {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  53        .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
  54        .invert = xinvert})
  55#define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
  56        ((unsigned long)&(struct soc_mixer_control) \
  57        {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  58        .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
  59#define SOC_SINGLE(xname, reg, shift, max, invert) \
  60{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  61        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  62        .put = snd_soc_put_volsw, \
  63        .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
  64#define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
  65{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  66        .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
  67        .put = snd_soc_put_volsw_range, \
  68        .private_value = (unsigned long)&(struct soc_mixer_control) \
  69                {.reg = xreg, .rreg = xreg, .shift = xshift, \
  70                 .rshift = xshift,  .min = xmin, .max = xmax, \
  71                 .platform_max = xmax, .invert = xinvert} }
  72#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
  73{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  74        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  75                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  76        .tlv.p = (tlv_array), \
  77        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  78        .put = snd_soc_put_volsw, \
  79        .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
  80#define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
  81{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  82        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  83        SNDRV_CTL_ELEM_ACCESS_READWRITE, \
  84        .tlv.p  = (tlv_array),\
  85        .info = snd_soc_info_volsw_sx, \
  86        .get = snd_soc_get_volsw_sx,\
  87        .put = snd_soc_put_volsw_sx, \
  88        .private_value = (unsigned long)&(struct soc_mixer_control) \
  89                {.reg = xreg, .rreg = xreg, \
  90                .shift = xshift, .rshift = xshift, \
  91                .max = xmax, .min = xmin} }
  92#define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
  93{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  94        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  95                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  96        .tlv.p = (tlv_array), \
  97        .info = snd_soc_info_volsw_range, \
  98        .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
  99        .private_value = (unsigned long)&(struct soc_mixer_control) \
 100                {.reg = xreg, .rreg = xreg, .shift = xshift, \
 101                 .rshift = xshift, .min = xmin, .max = xmax, \
 102                 .platform_max = xmax, .invert = xinvert} }
 103#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
 104{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 105        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
 106        .put = snd_soc_put_volsw, \
 107        .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 108                                          max, invert, 0) }
 109#define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
 110{                                                                       \
 111        .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),           \
 112        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,           \
 113        .access = SNDRV_CTL_ELEM_ACCESS_READ |                          \
 114                SNDRV_CTL_ELEM_ACCESS_VOLATILE,                         \
 115        .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 116                                          max, invert, 0) }
 117#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
 118{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 119        .info = snd_soc_info_volsw, \
 120        .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 121        .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 122                                            xmax, xinvert) }
 123#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
 124                           xmax, xinvert)               \
 125{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 126        .info = snd_soc_info_volsw_range, \
 127        .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 128        .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
 129                                            xshift, xmin, xmax, xinvert) }
 130#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
 131{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 132        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 133                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 134        .tlv.p = (tlv_array), \
 135        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
 136        .put = snd_soc_put_volsw, \
 137        .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 138                                          max, invert, 0) }
 139#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
 140{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 141        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 142                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 143        .tlv.p = (tlv_array), \
 144        .info = snd_soc_info_volsw, \
 145        .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 146        .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 147                                            xmax, xinvert) }
 148#define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
 149                               xmax, xinvert, tlv_array)                \
 150{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 151        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 152                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 153        .tlv.p = (tlv_array), \
 154        .info = snd_soc_info_volsw_range, \
 155        .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 156        .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
 157                                            xshift, xmin, xmax, xinvert) }
 158#define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
 159{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 160        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 161        SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 162        .tlv.p  = (tlv_array), \
 163        .info = snd_soc_info_volsw_sx, \
 164        .get = snd_soc_get_volsw_sx, \
 165        .put = snd_soc_put_volsw_sx, \
 166        .private_value = (unsigned long)&(struct soc_mixer_control) \
 167                {.reg = xreg, .rreg = xrreg, \
 168                .shift = xshift, .rshift = xshift, \
 169                .max = xmax, .min = xmin} }
 170#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
 171{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 172        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 173                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 174        .tlv.p = (tlv_array), \
 175        .info = snd_soc_info_volsw, \
 176        .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 177        .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
 178                                            xmin, xmax, xsign_bit, xinvert) }
 179#define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 180{       .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 181        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 182                  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 183        .tlv.p  = (tlv_array), \
 184        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 185        .put = snd_soc_put_volsw, \
 186        .private_value = (unsigned long)&(struct soc_mixer_control) \
 187        {.reg = xreg, .rreg = xreg,  \
 188         .min = xmin, .max = xmax, .platform_max = xmax, \
 189        .sign_bit = 7,} }
 190#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 191{       .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 192        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 193                  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 194        .tlv.p  = (tlv_array), \
 195        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 196        .put = snd_soc_put_volsw, \
 197        .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
 198#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
 199{       .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 200        .items = xitems, .texts = xtexts, \
 201        .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
 202#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
 203        SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
 204#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
 205{       .items = xitems, .texts = xtexts }
 206#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
 207{       .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 208        .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
 209#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
 210        SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
 211#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
 212{       .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
 213        .mask = xmask, .items = xitems, .texts = xtexts, \
 214        .values = xvalues, .autodisable = 1}
 215#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
 216        SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
 217#define SOC_ENUM(xname, xenum) \
 218{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
 219        .info = snd_soc_info_enum_double, \
 220        .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
 221        .private_value = (unsigned long)&xenum }
 222#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
 223         xhandler_get, xhandler_put) \
 224{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 225        .info = snd_soc_info_volsw, \
 226        .get = xhandler_get, .put = xhandler_put, \
 227        .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 228#define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
 229         xhandler_get, xhandler_put) \
 230{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 231        .info = snd_soc_info_volsw, \
 232        .get = xhandler_get, .put = xhandler_put, \
 233        .private_value = \
 234                SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
 235#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
 236         xhandler_get, xhandler_put) \
 237{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 238        .info = snd_soc_info_volsw, \
 239        .get = xhandler_get, .put = xhandler_put, \
 240        .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 241                                            xmax, xinvert) }
 242#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
 243         xhandler_get, xhandler_put, tlv_array) \
 244{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 245        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 246                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 247        .tlv.p = (tlv_array), \
 248        .info = snd_soc_info_volsw, \
 249        .get = xhandler_get, .put = xhandler_put, \
 250        .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 251#define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
 252                                 xhandler_get, xhandler_put, tlv_array) \
 253{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 254        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 255                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 256        .tlv.p = (tlv_array), \
 257        .info = snd_soc_info_volsw_range, \
 258        .get = xhandler_get, .put = xhandler_put, \
 259        .private_value = (unsigned long)&(struct soc_mixer_control) \
 260                {.reg = xreg, .rreg = xreg, .shift = xshift, \
 261                 .rshift = xshift, .min = xmin, .max = xmax, \
 262                 .platform_max = xmax, .invert = xinvert} }
 263#define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
 264         xhandler_get, xhandler_put, tlv_array) \
 265{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 266        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 267                 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 268        .tlv.p = (tlv_array), \
 269        .info = snd_soc_info_volsw, \
 270        .get = xhandler_get, .put = xhandler_put, \
 271        .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
 272                                          xmax, xinvert, 0) }
 273#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
 274         xhandler_get, xhandler_put, tlv_array) \
 275{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 276        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 277                 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 278        .tlv.p = (tlv_array), \
 279        .info = snd_soc_info_volsw, \
 280        .get = xhandler_get, .put = xhandler_put, \
 281        .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 282                                            xmax, xinvert) }
 283#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
 284{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 285        .info = snd_soc_info_bool_ext, \
 286        .get = xhandler_get, .put = xhandler_put, \
 287        .private_value = xdata }
 288#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 289{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 290        .info = snd_soc_info_enum_double, \
 291        .get = xhandler_get, .put = xhandler_put, \
 292        .private_value = (unsigned long)&xenum }
 293#define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 294        SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
 295
 296#define SND_SOC_BYTES(xname, xbase, xregs)                    \
 297{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 298        .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 299        .put = snd_soc_bytes_put, .private_value =            \
 300                ((unsigned long)&(struct soc_bytes)           \
 301                {.base = xbase, .num_regs = xregs }) }
 302
 303#define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)        \
 304{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 305        .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 306        .put = snd_soc_bytes_put, .private_value =            \
 307                ((unsigned long)&(struct soc_bytes)           \
 308                {.base = xbase, .num_regs = xregs,            \
 309                 .mask = xmask }) }
 310
 311/*
 312 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
 313 */
 314#define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
 315{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 316        .info = snd_soc_bytes_info_ext, \
 317        .get = xhandler_get, .put = xhandler_put, \
 318        .private_value = (unsigned long)&(struct soc_bytes_ext) \
 319                {.max = xcount} }
 320#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
 321{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 322        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
 323                  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
 324        .tlv.c = (snd_soc_bytes_tlv_callback), \
 325        .info = snd_soc_bytes_info_ext, \
 326        .private_value = (unsigned long)&(struct soc_bytes_ext) \
 327                {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
 328#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
 329                xmin, xmax, xinvert) \
 330{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 331        .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
 332        .put = snd_soc_put_xr_sx, \
 333        .private_value = (unsigned long)&(struct soc_mreg_control) \
 334                {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
 335                .invert = xinvert, .min = xmin, .max = xmax} }
 336
 337#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
 338        SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
 339                snd_soc_get_strobe, snd_soc_put_strobe)
 340
 341/*
 342 * Simplified versions of above macros, declaring a struct and calculating
 343 * ARRAY_SIZE internally
 344 */
 345#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
 346        const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
 347                                                ARRAY_SIZE(xtexts), xtexts)
 348#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
 349        SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
 350#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
 351        const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
 352#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
 353        const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
 354                                                        ARRAY_SIZE(xtexts), xtexts, xvalues)
 355#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 356        SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
 357
 358#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 359        const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
 360                xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
 361
 362#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
 363        const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
 364
 365/*
 366 * Component probe and remove ordering levels for components with runtime
 367 * dependencies.
 368 */
 369#define SND_SOC_COMP_ORDER_FIRST                -2
 370#define SND_SOC_COMP_ORDER_EARLY                -1
 371#define SND_SOC_COMP_ORDER_NORMAL               0
 372#define SND_SOC_COMP_ORDER_LATE         1
 373#define SND_SOC_COMP_ORDER_LAST         2
 374
 375#define for_each_comp_order(order)              \
 376        for (order  = SND_SOC_COMP_ORDER_FIRST; \
 377             order <= SND_SOC_COMP_ORDER_LAST;  \
 378             order++)
 379
 380/*
 381 * Bias levels
 382 *
 383 * @ON:      Bias is fully on for audio playback and capture operations.
 384 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
 385 *           stream start and stop operations.
 386 * @STANDBY: Low power standby state when no playback/capture operations are
 387 *           in progress. NOTE: The transition time between STANDBY and ON
 388 *           should be as fast as possible and no longer than 10ms.
 389 * @OFF:     Power Off. No restrictions on transition times.
 390 */
 391enum snd_soc_bias_level {
 392        SND_SOC_BIAS_OFF = 0,
 393        SND_SOC_BIAS_STANDBY = 1,
 394        SND_SOC_BIAS_PREPARE = 2,
 395        SND_SOC_BIAS_ON = 3,
 396};
 397
 398struct device_node;
 399struct snd_jack;
 400struct snd_soc_card;
 401struct snd_soc_pcm_stream;
 402struct snd_soc_ops;
 403struct snd_soc_pcm_runtime;
 404struct snd_soc_dai;
 405struct snd_soc_dai_driver;
 406struct snd_soc_dai_link;
 407struct snd_soc_component;
 408struct snd_soc_component_driver;
 409struct soc_enum;
 410struct snd_soc_jack;
 411struct snd_soc_jack_zone;
 412struct snd_soc_jack_pin;
 413#include <sound/soc-dapm.h>
 414#include <sound/soc-dpcm.h>
 415#include <sound/soc-topology.h>
 416
 417struct snd_soc_jack_gpio;
 418
 419typedef int (*hw_write_t)(void *,const char* ,int);
 420
 421enum snd_soc_pcm_subclass {
 422        SND_SOC_PCM_CLASS_PCM   = 0,
 423        SND_SOC_PCM_CLASS_BE    = 1,
 424};
 425
 426enum snd_soc_card_subclass {
 427        SND_SOC_CARD_CLASS_INIT         = 0,
 428        SND_SOC_CARD_CLASS_RUNTIME      = 1,
 429};
 430
 431int snd_soc_register_card(struct snd_soc_card *card);
 432int snd_soc_unregister_card(struct snd_soc_card *card);
 433int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
 434#ifdef CONFIG_PM_SLEEP
 435int snd_soc_suspend(struct device *dev);
 436int snd_soc_resume(struct device *dev);
 437#else
 438static inline int snd_soc_suspend(struct device *dev)
 439{
 440        return 0;
 441}
 442
 443static inline int snd_soc_resume(struct device *dev)
 444{
 445        return 0;
 446}
 447#endif
 448int snd_soc_poweroff(struct device *dev);
 449int snd_soc_add_component(struct device *dev,
 450                struct snd_soc_component *component,
 451                const struct snd_soc_component_driver *component_driver,
 452                struct snd_soc_dai_driver *dai_drv,
 453                int num_dai);
 454int snd_soc_register_component(struct device *dev,
 455                         const struct snd_soc_component_driver *component_driver,
 456                         struct snd_soc_dai_driver *dai_drv, int num_dai);
 457int devm_snd_soc_register_component(struct device *dev,
 458                         const struct snd_soc_component_driver *component_driver,
 459                         struct snd_soc_dai_driver *dai_drv, int num_dai);
 460void snd_soc_unregister_component(struct device *dev);
 461struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 462                                                   const char *driver_name);
 463
 464int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 465#ifdef CONFIG_SND_SOC_COMPRESS
 466int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
 467#else
 468static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 469{
 470        return 0;
 471}
 472#endif
 473
 474void snd_soc_disconnect_sync(struct device *dev);
 475
 476struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
 477                const char *dai_link, int stream);
 478struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 479                const char *dai_link);
 480
 481bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 482void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
 483void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
 484
 485int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 486        unsigned int dai_fmt);
 487
 488#ifdef CONFIG_DMI
 489int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
 490#else
 491static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
 492                                       const char *flavour)
 493{
 494        return 0;
 495}
 496#endif
 497
 498/* Utility functions to get clock rates from various things */
 499int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
 500int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
 501int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 502int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
 503
 504/* set runtime hw params */
 505int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 506        const struct snd_pcm_hardware *hw);
 507
 508int soc_dai_hw_params(struct snd_pcm_substream *substream,
 509                      struct snd_pcm_hw_params *params,
 510                      struct snd_soc_dai *dai);
 511
 512/* Jack reporting */
 513int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
 514        struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
 515        unsigned int num_pins);
 516
 517void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 518int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 519                          struct snd_soc_jack_pin *pins);
 520void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
 521                                    struct notifier_block *nb);
 522void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
 523                                      struct notifier_block *nb);
 524int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
 525                          struct snd_soc_jack_zone *zones);
 526int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
 527#ifdef CONFIG_GPIOLIB
 528int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 529                        struct snd_soc_jack_gpio *gpios);
 530int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 531                            struct snd_soc_jack *jack,
 532                            int count, struct snd_soc_jack_gpio *gpios);
 533void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 534                        struct snd_soc_jack_gpio *gpios);
 535#else
 536static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 537                                         struct snd_soc_jack_gpio *gpios)
 538{
 539        return 0;
 540}
 541
 542static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 543                                          struct snd_soc_jack *jack,
 544                                          int count,
 545                                          struct snd_soc_jack_gpio *gpios)
 546{
 547        return 0;
 548}
 549
 550static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 551                                           struct snd_soc_jack_gpio *gpios)
 552{
 553}
 554#endif
 555
 556struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
 557struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
 558        unsigned int id, unsigned int id_mask);
 559void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
 560
 561#ifdef CONFIG_SND_SOC_AC97_BUS
 562int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 563int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 564                struct platform_device *pdev);
 565
 566extern struct snd_ac97_bus_ops *soc_ac97_ops;
 567#else
 568static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 569        struct platform_device *pdev)
 570{
 571        return 0;
 572}
 573
 574static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
 575{
 576        return 0;
 577}
 578#endif
 579
 580/*
 581 *Controls
 582 */
 583struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 584                                  void *data, const char *long_name,
 585                                  const char *prefix);
 586struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 587                                               const char *name);
 588int snd_soc_add_component_controls(struct snd_soc_component *component,
 589        const struct snd_kcontrol_new *controls, unsigned int num_controls);
 590int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 591        const struct snd_kcontrol_new *controls, int num_controls);
 592int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
 593        const struct snd_kcontrol_new *controls, int num_controls);
 594int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 595        struct snd_ctl_elem_info *uinfo);
 596int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 597        struct snd_ctl_elem_value *ucontrol);
 598int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 599        struct snd_ctl_elem_value *ucontrol);
 600int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 601        struct snd_ctl_elem_info *uinfo);
 602int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
 603                          struct snd_ctl_elem_info *uinfo);
 604#define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 605int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 606        struct snd_ctl_elem_value *ucontrol);
 607int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 608        struct snd_ctl_elem_value *ucontrol);
 609#define snd_soc_get_volsw_2r snd_soc_get_volsw
 610#define snd_soc_put_volsw_2r snd_soc_put_volsw
 611int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
 612        struct snd_ctl_elem_value *ucontrol);
 613int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 614        struct snd_ctl_elem_value *ucontrol);
 615int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
 616        struct snd_ctl_elem_info *uinfo);
 617int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 618        struct snd_ctl_elem_value *ucontrol);
 619int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 620        struct snd_ctl_elem_value *ucontrol);
 621int snd_soc_limit_volume(struct snd_soc_card *card,
 622        const char *name, int max);
 623int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
 624                       struct snd_ctl_elem_info *uinfo);
 625int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
 626                      struct snd_ctl_elem_value *ucontrol);
 627int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
 628                      struct snd_ctl_elem_value *ucontrol);
 629int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 630        struct snd_ctl_elem_info *ucontrol);
 631int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 632        unsigned int size, unsigned int __user *tlv);
 633int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
 634        struct snd_ctl_elem_info *uinfo);
 635int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 636        struct snd_ctl_elem_value *ucontrol);
 637int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 638        struct snd_ctl_elem_value *ucontrol);
 639int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
 640        struct snd_ctl_elem_value *ucontrol);
 641int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
 642        struct snd_ctl_elem_value *ucontrol);
 643
 644/**
 645 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 646 *
 647 * @pin:    name of the pin to update
 648 * @mask:   bits to check for in reported jack status
 649 * @invert: if non-zero then pin is enabled when status is not reported
 650 * @list:   internal list entry
 651 */
 652struct snd_soc_jack_pin {
 653        struct list_head list;
 654        const char *pin;
 655        int mask;
 656        bool invert;
 657};
 658
 659/**
 660 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
 661 *
 662 * @min_mv: start voltage in mv
 663 * @max_mv: end voltage in mv
 664 * @jack_type: type of jack that is expected for this voltage
 665 * @debounce_time: debounce_time for jack, codec driver should wait for this
 666 *              duration before reading the adc for voltages
 667 * @list:   internal list entry
 668 */
 669struct snd_soc_jack_zone {
 670        unsigned int min_mv;
 671        unsigned int max_mv;
 672        unsigned int jack_type;
 673        unsigned int debounce_time;
 674        struct list_head list;
 675};
 676
 677/**
 678 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 679 *
 680 * @gpio:         legacy gpio number
 681 * @idx:          gpio descriptor index within the function of the GPIO
 682 *                consumer device
 683 * @gpiod_dev:    GPIO consumer device
 684 * @name:         gpio name. Also as connection ID for the GPIO consumer
 685 *                device function name lookup
 686 * @report:       value to report when jack detected
 687 * @invert:       report presence in low state
 688 * @debounce_time: debounce time in ms
 689 * @wake:         enable as wake source
 690 * @jack_status_check: callback function which overrides the detection
 691 *                     to provide more complex checks (eg, reading an
 692 *                     ADC).
 693 */
 694struct snd_soc_jack_gpio {
 695        unsigned int gpio;
 696        unsigned int idx;
 697        struct device *gpiod_dev;
 698        const char *name;
 699        int report;
 700        int invert;
 701        int debounce_time;
 702        bool wake;
 703
 704        /* private: */
 705        struct snd_soc_jack *jack;
 706        struct delayed_work work;
 707        struct notifier_block pm_notifier;
 708        struct gpio_desc *desc;
 709
 710        void *data;
 711        /* public: */
 712        int (*jack_status_check)(void *data);
 713};
 714
 715struct snd_soc_jack {
 716        struct mutex mutex;
 717        struct snd_jack *jack;
 718        struct snd_soc_card *card;
 719        struct list_head pins;
 720        int status;
 721        struct blocking_notifier_head notifier;
 722        struct list_head jack_zones;
 723};
 724
 725/* SoC PCM stream information */
 726struct snd_soc_pcm_stream {
 727        const char *stream_name;
 728        u64 formats;                    /* SNDRV_PCM_FMTBIT_* */
 729        unsigned int rates;             /* SNDRV_PCM_RATE_* */
 730        unsigned int rate_min;          /* min rate */
 731        unsigned int rate_max;          /* max rate */
 732        unsigned int channels_min;      /* min channels */
 733        unsigned int channels_max;      /* max channels */
 734        unsigned int sig_bits;          /* number of bits of content */
 735};
 736
 737/* SoC audio ops */
 738struct snd_soc_ops {
 739        int (*startup)(struct snd_pcm_substream *);
 740        void (*shutdown)(struct snd_pcm_substream *);
 741        int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 742        int (*hw_free)(struct snd_pcm_substream *);
 743        int (*prepare)(struct snd_pcm_substream *);
 744        int (*trigger)(struct snd_pcm_substream *, int);
 745};
 746
 747struct snd_soc_compr_ops {
 748        int (*startup)(struct snd_compr_stream *);
 749        void (*shutdown)(struct snd_compr_stream *);
 750        int (*set_params)(struct snd_compr_stream *);
 751        int (*trigger)(struct snd_compr_stream *);
 752};
 753
 754/* component interface */
 755struct snd_soc_component_driver {
 756        const char *name;
 757
 758        /* Default control and setup, added after probe() is run */
 759        const struct snd_kcontrol_new *controls;
 760        unsigned int num_controls;
 761        const struct snd_soc_dapm_widget *dapm_widgets;
 762        unsigned int num_dapm_widgets;
 763        const struct snd_soc_dapm_route *dapm_routes;
 764        unsigned int num_dapm_routes;
 765
 766        int (*probe)(struct snd_soc_component *);
 767        void (*remove)(struct snd_soc_component *);
 768        int (*suspend)(struct snd_soc_component *);
 769        int (*resume)(struct snd_soc_component *);
 770
 771        unsigned int (*read)(struct snd_soc_component *, unsigned int);
 772        int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
 773
 774        /* pcm creation and destruction */
 775        int (*pcm_new)(struct snd_soc_pcm_runtime *);
 776        void (*pcm_free)(struct snd_pcm *);
 777
 778        /* component wide operations */
 779        int (*set_sysclk)(struct snd_soc_component *component,
 780                          int clk_id, int source, unsigned int freq, int dir);
 781        int (*set_pll)(struct snd_soc_component *component, int pll_id,
 782                       int source, unsigned int freq_in, unsigned int freq_out);
 783        int (*set_jack)(struct snd_soc_component *component,
 784                        struct snd_soc_jack *jack,  void *data);
 785
 786        /* DT */
 787        int (*of_xlate_dai_name)(struct snd_soc_component *component,
 788                                 struct of_phandle_args *args,
 789                                 const char **dai_name);
 790        int (*of_xlate_dai_id)(struct snd_soc_component *comment,
 791                               struct device_node *endpoint);
 792        void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
 793                int subseq);
 794        int (*stream_event)(struct snd_soc_component *, int event);
 795        int (*set_bias_level)(struct snd_soc_component *component,
 796                              enum snd_soc_bias_level level);
 797
 798        const struct snd_pcm_ops *ops;
 799        const struct snd_compr_ops *compr_ops;
 800
 801        /* probe ordering - for components with runtime dependencies */
 802        int probe_order;
 803        int remove_order;
 804
 805        /* bits */
 806        unsigned int idle_bias_on:1;
 807        unsigned int suspend_bias_off:1;
 808        unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
 809        unsigned int endianness:1;
 810        unsigned int non_legacy_dai_naming:1;
 811
 812        /* this component uses topology and ignore machine driver FEs */
 813        const char *ignore_machine;
 814        const char *topology_name_prefix;
 815        int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
 816                                  struct snd_pcm_hw_params *params);
 817        bool use_dai_pcm_id;    /* use the DAI link PCM ID as PCM device number */
 818        int be_pcm_base;        /* base device ID for all BE PCMs */
 819};
 820
 821struct snd_soc_component {
 822        const char *name;
 823        int id;
 824        const char *name_prefix;
 825        struct device *dev;
 826        struct snd_soc_card *card;
 827
 828        unsigned int active;
 829
 830        unsigned int suspended:1; /* is in suspend PM state */
 831
 832        struct list_head list;
 833        struct list_head card_aux_list; /* for auxiliary bound components */
 834        struct list_head card_list;
 835
 836        const struct snd_soc_component_driver *driver;
 837
 838        struct list_head dai_list;
 839        int num_dai;
 840
 841        struct regmap *regmap;
 842        int val_bytes;
 843
 844        struct mutex io_mutex;
 845
 846        /* attached dynamic objects */
 847        struct list_head dobj_list;
 848
 849        /*
 850        * DO NOT use any of the fields below in drivers, they are temporary and
 851        * are going to be removed again soon. If you use them in driver code the
 852        * driver will be marked as BROKEN when these fields are removed.
 853        */
 854
 855        /* Don't use these, use snd_soc_component_get_dapm() */
 856        struct snd_soc_dapm_context dapm;
 857
 858        /* machine specific init */
 859        int (*init)(struct snd_soc_component *component);
 860
 861#ifdef CONFIG_DEBUG_FS
 862        struct dentry *debugfs_root;
 863        const char *debugfs_prefix;
 864#endif
 865};
 866
 867#define for_each_component_dais(component, dai)\
 868        list_for_each_entry(dai, &(component)->dai_list, list)
 869#define for_each_component_dais_safe(component, dai, _dai)\
 870        list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list)
 871
 872struct snd_soc_rtdcom_list {
 873        struct snd_soc_component *component;
 874        struct list_head list; /* rtd::component_list */
 875};
 876struct snd_soc_component*
 877snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
 878                       const char *driver_name);
 879#define for_each_rtdcom(rtd, rtdcom) \
 880        list_for_each_entry(rtdcom, &(rtd)->component_list, list)
 881#define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
 882        list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
 883
 884struct snd_soc_dai_link_component {
 885        const char *name;
 886        struct device_node *of_node;
 887        const char *dai_name;
 888};
 889
 890struct snd_soc_dai_link {
 891        /* config - must be set by machine driver */
 892        const char *name;                       /* Codec name */
 893        const char *stream_name;                /* Stream name */
 894        /*
 895         * You MAY specify the link's CPU-side device, either by device name,
 896         * or by DT/OF node, but not both. If this information is omitted,
 897         * the CPU-side DAI is matched using .cpu_dai_name only, which hence
 898         * must be globally unique. These fields are currently typically used
 899         * only for codec to codec links, or systems using device tree.
 900         */
 901        const char *cpu_name;
 902        struct device_node *cpu_of_node;
 903        /*
 904         * You MAY specify the DAI name of the CPU DAI. If this information is
 905         * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
 906         * only, which only works well when that device exposes a single DAI.
 907         */
 908        const char *cpu_dai_name;
 909        /*
 910         * You MUST specify the link's codec, either by device name, or by
 911         * DT/OF node, but not both.
 912         */
 913        const char *codec_name;
 914        struct device_node *codec_of_node;
 915        /* You MUST specify the DAI name within the codec */
 916        const char *codec_dai_name;
 917
 918        struct snd_soc_dai_link_component *codecs;
 919        unsigned int num_codecs;
 920
 921        /*
 922         * You MAY specify the link's platform/PCM/DMA driver, either by
 923         * device name, or by DT/OF node, but not both. Some forms of link
 924         * do not need a platform.
 925         */
 926        const char *platform_name;
 927        struct device_node *platform_of_node;
 928        struct snd_soc_dai_link_component *platform;
 929
 930        int id; /* optional ID for machine driver link identification */
 931
 932        const struct snd_soc_pcm_stream *params;
 933        unsigned int num_params;
 934
 935        unsigned int dai_fmt;           /* format to set on init */
 936
 937        enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
 938
 939        /* codec/machine specific init - e.g. add machine controls */
 940        int (*init)(struct snd_soc_pcm_runtime *rtd);
 941
 942        /* optional hw_params re-writing for BE and FE sync */
 943        int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
 944                        struct snd_pcm_hw_params *params);
 945
 946        /* machine stream operations */
 947        const struct snd_soc_ops *ops;
 948        const struct snd_soc_compr_ops *compr_ops;
 949
 950        /* Mark this pcm with non atomic ops */
 951        bool nonatomic;
 952
 953        /* For unidirectional dai links */
 954        unsigned int playback_only:1;
 955        unsigned int capture_only:1;
 956
 957        /* Keep DAI active over suspend */
 958        unsigned int ignore_suspend:1;
 959
 960        /* Symmetry requirements */
 961        unsigned int symmetric_rates:1;
 962        unsigned int symmetric_channels:1;
 963        unsigned int symmetric_samplebits:1;
 964
 965        /* Do not create a PCM for this DAI link (Backend link) */
 966        unsigned int no_pcm:1;
 967
 968        /* This DAI link can route to other DAI links at runtime (Frontend)*/
 969        unsigned int dynamic:1;
 970
 971        /* DPCM capture and Playback support */
 972        unsigned int dpcm_capture:1;
 973        unsigned int dpcm_playback:1;
 974
 975        /* DPCM used FE & BE merged format */
 976        unsigned int dpcm_merged_format:1;
 977        /* DPCM used FE & BE merged channel */
 978        unsigned int dpcm_merged_chan:1;
 979        /* DPCM used FE & BE merged rate */
 980        unsigned int dpcm_merged_rate:1;
 981
 982        /* pmdown_time is ignored at stop */
 983        unsigned int ignore_pmdown_time:1;
 984
 985        /* Do not create a PCM for this DAI link (Backend link) */
 986        unsigned int ignore:1;
 987
 988        /*
 989         * This driver uses legacy platform naming. Set by the core, machine
 990         * drivers should not modify this value.
 991         */
 992        unsigned int legacy_platform:1;
 993
 994        struct list_head list; /* DAI link list of the soc card */
 995        struct snd_soc_dobj dobj; /* For topology */
 996};
 997#define for_each_link_codecs(link, i, codec)                            \
 998        for ((i) = 0;                                                   \
 999             ((i) < link->num_codecs) && ((codec) = &link->codecs[i]);  \
1000             (i)++)
1001
1002struct snd_soc_codec_conf {
1003        /*
1004         * specify device either by device name, or by
1005         * DT/OF node, but not both.
1006         */
1007        const char *dev_name;
1008        struct device_node *of_node;
1009
1010        /*
1011         * optional map of kcontrol, widget and path name prefixes that are
1012         * associated per device
1013         */
1014        const char *name_prefix;
1015};
1016
1017struct snd_soc_aux_dev {
1018        const char *name;               /* Codec name */
1019
1020        /*
1021         * specify multi-codec either by device name, or by
1022         * DT/OF node, but not both.
1023         */
1024        const char *codec_name;
1025        struct device_node *codec_of_node;
1026
1027        /* codec/machine specific init - e.g. add machine controls */
1028        int (*init)(struct snd_soc_component *component);
1029};
1030
1031/* SoC card */
1032struct snd_soc_card {
1033        const char *name;
1034        const char *long_name;
1035        const char *driver_name;
1036        char dmi_longname[80];
1037        char topology_shortname[32];
1038
1039        struct device *dev;
1040        struct snd_card *snd_card;
1041        struct module *owner;
1042
1043        struct mutex mutex;
1044        struct mutex dapm_mutex;
1045
1046        bool instantiated;
1047        bool topology_shortname_created;
1048
1049        int (*probe)(struct snd_soc_card *card);
1050        int (*late_probe)(struct snd_soc_card *card);
1051        int (*remove)(struct snd_soc_card *card);
1052
1053        /* the pre and post PM functions are used to do any PM work before and
1054         * after the codec and DAI's do any PM work. */
1055        int (*suspend_pre)(struct snd_soc_card *card);
1056        int (*suspend_post)(struct snd_soc_card *card);
1057        int (*resume_pre)(struct snd_soc_card *card);
1058        int (*resume_post)(struct snd_soc_card *card);
1059
1060        /* callbacks */
1061        int (*set_bias_level)(struct snd_soc_card *,
1062                              struct snd_soc_dapm_context *dapm,
1063                              enum snd_soc_bias_level level);
1064        int (*set_bias_level_post)(struct snd_soc_card *,
1065                                   struct snd_soc_dapm_context *dapm,
1066                                   enum snd_soc_bias_level level);
1067
1068        int (*add_dai_link)(struct snd_soc_card *,
1069                            struct snd_soc_dai_link *link);
1070        void (*remove_dai_link)(struct snd_soc_card *,
1071                            struct snd_soc_dai_link *link);
1072
1073        long pmdown_time;
1074
1075        /* CPU <--> Codec DAI links  */
1076        struct snd_soc_dai_link *dai_link;  /* predefined links only */
1077        int num_links;  /* predefined links only */
1078        struct list_head dai_link_list; /* all links */
1079
1080        struct list_head rtd_list;
1081        int num_rtd;
1082
1083        /* optional codec specific configuration */
1084        struct snd_soc_codec_conf *codec_conf;
1085        int num_configs;
1086
1087        /*
1088         * optional auxiliary devices such as amplifiers or codecs with DAI
1089         * link unused
1090         */
1091        struct snd_soc_aux_dev *aux_dev;
1092        int num_aux_devs;
1093        struct list_head aux_comp_list;
1094
1095        const struct snd_kcontrol_new *controls;
1096        int num_controls;
1097
1098        /*
1099         * Card-specific routes and widgets.
1100         * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1101         */
1102        const struct snd_soc_dapm_widget *dapm_widgets;
1103        int num_dapm_widgets;
1104        const struct snd_soc_dapm_route *dapm_routes;
1105        int num_dapm_routes;
1106        const struct snd_soc_dapm_widget *of_dapm_widgets;
1107        int num_of_dapm_widgets;
1108        const struct snd_soc_dapm_route *of_dapm_routes;
1109        int num_of_dapm_routes;
1110        bool fully_routed;
1111
1112        struct work_struct deferred_resume_work;
1113
1114        /* lists of probed devices belonging to this card */
1115        struct list_head component_dev_list;
1116        struct list_head list;
1117
1118        struct list_head widgets;
1119        struct list_head paths;
1120        struct list_head dapm_list;
1121        struct list_head dapm_dirty;
1122
1123        /* attached dynamic objects */
1124        struct list_head dobj_list;
1125
1126        /* Generic DAPM context for the card */
1127        struct snd_soc_dapm_context dapm;
1128        struct snd_soc_dapm_stats dapm_stats;
1129        struct snd_soc_dapm_update *update;
1130
1131#ifdef CONFIG_DEBUG_FS
1132        struct dentry *debugfs_card_root;
1133        struct dentry *debugfs_pop_time;
1134#endif
1135        u32 pop_time;
1136
1137        void *drvdata;
1138};
1139#define for_each_card_prelinks(card, i, link)                           \
1140        for ((i) = 0;                                                   \
1141             ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1142             (i)++)
1143
1144#define for_each_card_links(card, link)                         \
1145        list_for_each_entry(dai_link, &(card)->dai_link_list, list)
1146#define for_each_card_links_safe(card, link, _link)                     \
1147        list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list)
1148
1149#define for_each_card_rtds(card, rtd)                   \
1150        list_for_each_entry(rtd, &(card)->rtd_list, list)
1151#define for_each_card_rtds_safe(card, rtd, _rtd)        \
1152        list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1153
1154#define for_each_card_components(card, component)                       \
1155        list_for_each_entry(component, &(card)->component_dev_list, card_list)
1156
1157/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1158struct snd_soc_pcm_runtime {
1159        struct device *dev;
1160        struct snd_soc_card *card;
1161        struct snd_soc_dai_link *dai_link;
1162        struct mutex pcm_mutex;
1163        enum snd_soc_pcm_subclass pcm_subclass;
1164        struct snd_pcm_ops ops;
1165
1166        unsigned int params_select; /* currently selected param for dai link */
1167
1168        /* Dynamic PCM BE runtime data */
1169        struct snd_soc_dpcm_runtime dpcm[2];
1170        int fe_compr;
1171
1172        long pmdown_time;
1173
1174        /* runtime devices */
1175        struct snd_pcm *pcm;
1176        struct snd_compr *compr;
1177        struct snd_soc_dai *codec_dai;
1178        struct snd_soc_dai *cpu_dai;
1179
1180        struct snd_soc_dai **codec_dais;
1181        unsigned int num_codecs;
1182
1183        struct delayed_work delayed_work;
1184#ifdef CONFIG_DEBUG_FS
1185        struct dentry *debugfs_dpcm_root;
1186#endif
1187
1188        unsigned int num; /* 0-based and monotonic increasing */
1189        struct list_head list; /* rtd list of the soc card */
1190        struct list_head component_list; /* list of connected components */
1191
1192        /* bit field */
1193        unsigned int dev_registered:1;
1194        unsigned int pop_wait:1;
1195};
1196#define for_each_rtd_codec_dai(rtd, i, dai)\
1197        for ((i) = 0;                                                  \
1198             ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \
1199             (i)++)
1200#define for_each_rtd_codec_dai_rollback(rtd, i, dai)            \
1201        for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);)
1202
1203
1204/* mixer control */
1205struct soc_mixer_control {
1206        int min, max, platform_max;
1207        int reg, rreg;
1208        unsigned int shift, rshift;
1209        unsigned int sign_bit;
1210        unsigned int invert:1;
1211        unsigned int autodisable:1;
1212        struct snd_soc_dobj dobj;
1213};
1214
1215struct soc_bytes {
1216        int base;
1217        int num_regs;
1218        u32 mask;
1219};
1220
1221struct soc_bytes_ext {
1222        int max;
1223        struct snd_soc_dobj dobj;
1224
1225        /* used for TLV byte control */
1226        int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1227                        unsigned int size);
1228        int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1229                        unsigned int size);
1230};
1231
1232/* multi register control */
1233struct soc_mreg_control {
1234        long min, max;
1235        unsigned int regbase, regcount, nbits, invert;
1236};
1237
1238/* enumerated kcontrol */
1239struct soc_enum {
1240        int reg;
1241        unsigned char shift_l;
1242        unsigned char shift_r;
1243        unsigned int items;
1244        unsigned int mask;
1245        const char * const *texts;
1246        const unsigned int *values;
1247        unsigned int autodisable:1;
1248        struct snd_soc_dobj dobj;
1249};
1250
1251/**
1252 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1253 *  embedded in
1254 * @dapm: The DAPM context to cast to the component
1255 *
1256 * This function must only be used on DAPM contexts that are known to be part of
1257 * a component (e.g. in a component driver). Otherwise the behavior is
1258 * undefined.
1259 */
1260static inline struct snd_soc_component *snd_soc_dapm_to_component(
1261        struct snd_soc_dapm_context *dapm)
1262{
1263        return container_of(dapm, struct snd_soc_component, dapm);
1264}
1265
1266/**
1267 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1268 *  component
1269 * @component: The component for which to get the DAPM context
1270 */
1271static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1272        struct snd_soc_component *component)
1273{
1274        return &component->dapm;
1275}
1276
1277/**
1278 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
1279 * @component: The COMPONENT for which to initialize the DAPM bias level
1280 * @level: The DAPM level to initialize to
1281 *
1282 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
1283 */
1284static inline void
1285snd_soc_component_init_bias_level(struct snd_soc_component *component,
1286                                  enum snd_soc_bias_level level)
1287{
1288        snd_soc_dapm_init_bias_level(
1289                snd_soc_component_get_dapm(component), level);
1290}
1291
1292/**
1293 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
1294 * @component: The COMPONENT for which to get the DAPM bias level
1295 *
1296 * Returns: The current DAPM bias level of the COMPONENT.
1297 */
1298static inline enum snd_soc_bias_level
1299snd_soc_component_get_bias_level(struct snd_soc_component *component)
1300{
1301        return snd_soc_dapm_get_bias_level(
1302                snd_soc_component_get_dapm(component));
1303}
1304
1305/**
1306 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
1307 * @component: The COMPONENT for which to set the level
1308 * @level: The level to set to
1309 *
1310 * Forces the COMPONENT bias level to a specific state. See
1311 * snd_soc_dapm_force_bias_level().
1312 */
1313static inline int
1314snd_soc_component_force_bias_level(struct snd_soc_component *component,
1315                                   enum snd_soc_bias_level level)
1316{
1317        return snd_soc_dapm_force_bias_level(
1318                snd_soc_component_get_dapm(component),
1319                level);
1320}
1321
1322/**
1323 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
1324 * @kcontrol: The kcontrol
1325 *
1326 * This function must only be used on DAPM contexts that are known to be part of
1327 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
1328 */
1329static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
1330        struct snd_kcontrol *kcontrol)
1331{
1332        return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
1333}
1334
1335/**
1336 * snd_soc_component_cache_sync() - Sync the register cache with the hardware
1337 * @component: COMPONENT to sync
1338 *
1339 * Note: This function will call regcache_sync()
1340 */
1341static inline int snd_soc_component_cache_sync(
1342        struct snd_soc_component *component)
1343{
1344        return regcache_sync(component->regmap);
1345}
1346
1347/* component IO */
1348int snd_soc_component_read(struct snd_soc_component *component,
1349        unsigned int reg, unsigned int *val);
1350unsigned int snd_soc_component_read32(struct snd_soc_component *component,
1351                                      unsigned int reg);
1352int snd_soc_component_write(struct snd_soc_component *component,
1353        unsigned int reg, unsigned int val);
1354int snd_soc_component_update_bits(struct snd_soc_component *component,
1355        unsigned int reg, unsigned int mask, unsigned int val);
1356int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1357        unsigned int reg, unsigned int mask, unsigned int val);
1358void snd_soc_component_async_complete(struct snd_soc_component *component);
1359int snd_soc_component_test_bits(struct snd_soc_component *component,
1360        unsigned int reg, unsigned int mask, unsigned int value);
1361
1362/* component wide operations */
1363int snd_soc_component_set_sysclk(struct snd_soc_component *component,
1364                        int clk_id, int source, unsigned int freq, int dir);
1365int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
1366                              int source, unsigned int freq_in,
1367                              unsigned int freq_out);
1368int snd_soc_component_set_jack(struct snd_soc_component *component,
1369                               struct snd_soc_jack *jack, void *data);
1370
1371#ifdef CONFIG_REGMAP
1372
1373void snd_soc_component_init_regmap(struct snd_soc_component *component,
1374        struct regmap *regmap);
1375void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1376
1377#endif
1378
1379/* device driver data */
1380
1381static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1382                void *data)
1383{
1384        card->drvdata = data;
1385}
1386
1387static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1388{
1389        return card->drvdata;
1390}
1391
1392static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1393                void *data)
1394{
1395        dev_set_drvdata(c->dev, data);
1396}
1397
1398static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1399{
1400        return dev_get_drvdata(c->dev);
1401}
1402
1403static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1404{
1405        INIT_LIST_HEAD(&card->widgets);
1406        INIT_LIST_HEAD(&card->paths);
1407        INIT_LIST_HEAD(&card->dapm_list);
1408        INIT_LIST_HEAD(&card->aux_comp_list);
1409        INIT_LIST_HEAD(&card->component_dev_list);
1410        INIT_LIST_HEAD(&card->list);
1411}
1412
1413static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1414{
1415        if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1416                return 0;
1417        /*
1418         * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1419         * mc->reg != mc->rreg means that the control is
1420         * stereo (bits in one register or in two registers)
1421         */
1422        return 1;
1423}
1424
1425static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1426        unsigned int val)
1427{
1428        unsigned int i;
1429
1430        if (!e->values)
1431                return val;
1432
1433        for (i = 0; i < e->items; i++)
1434                if (val == e->values[i])
1435                        return i;
1436
1437        return 0;
1438}
1439
1440static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1441        unsigned int item)
1442{
1443        if (!e->values)
1444                return item;
1445
1446        return e->values[item];
1447}
1448
1449static inline bool snd_soc_component_is_active(
1450        struct snd_soc_component *component)
1451{
1452        return component->active != 0;
1453}
1454
1455/**
1456 * snd_soc_kcontrol_component() - Returns the component that registered the
1457 *  control
1458 * @kcontrol: The control for which to get the component
1459 *
1460 * Note: This function will work correctly if the control has been registered
1461 * for a component. With snd_soc_add_codec_controls() or via table based
1462 * setup for either a CODEC or component driver. Otherwise the behavior is
1463 * undefined.
1464 */
1465static inline struct snd_soc_component *snd_soc_kcontrol_component(
1466        struct snd_kcontrol *kcontrol)
1467{
1468        return snd_kcontrol_chip(kcontrol);
1469}
1470
1471int snd_soc_util_init(void);
1472void snd_soc_util_exit(void);
1473
1474int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1475                               const char *propname);
1476int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1477                                          const char *propname);
1478int snd_soc_of_get_slot_mask(struct device_node *np,
1479                             const char *prop_name,
1480                             unsigned int *mask);
1481int snd_soc_of_parse_tdm_slot(struct device_node *np,
1482                              unsigned int *tx_mask,
1483                              unsigned int *rx_mask,
1484                              unsigned int *slots,
1485                              unsigned int *slot_width);
1486void snd_soc_of_parse_node_prefix(struct device_node *np,
1487                                   struct snd_soc_codec_conf *codec_conf,
1488                                   struct device_node *of_node,
1489                                   const char *propname);
1490static inline
1491void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1492                                   struct snd_soc_codec_conf *codec_conf,
1493                                   struct device_node *of_node,
1494                                   const char *propname)
1495{
1496        snd_soc_of_parse_node_prefix(card->dev->of_node,
1497                                     codec_conf, of_node, propname);
1498}
1499
1500int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1501                                   const char *propname);
1502unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1503                                     const char *prefix,
1504                                     struct device_node **bitclkmaster,
1505                                     struct device_node **framemaster);
1506int snd_soc_get_dai_id(struct device_node *ep);
1507int snd_soc_get_dai_name(struct of_phandle_args *args,
1508                         const char **dai_name);
1509int snd_soc_of_get_dai_name(struct device_node *of_node,
1510                            const char **dai_name);
1511int snd_soc_of_get_dai_link_codecs(struct device *dev,
1512                                   struct device_node *of_node,
1513                                   struct snd_soc_dai_link *dai_link);
1514void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1515
1516int snd_soc_add_dai_link(struct snd_soc_card *card,
1517                                struct snd_soc_dai_link *dai_link);
1518void snd_soc_remove_dai_link(struct snd_soc_card *card,
1519                             struct snd_soc_dai_link *dai_link);
1520struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1521                                               int id, const char *name,
1522                                               const char *stream_name);
1523
1524int snd_soc_register_dai(struct snd_soc_component *component,
1525        struct snd_soc_dai_driver *dai_drv);
1526
1527struct snd_soc_dai *snd_soc_find_dai(
1528        const struct snd_soc_dai_link_component *dlc);
1529
1530#include <sound/soc-dai.h>
1531
1532static inline
1533struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1534                                               const char *dai_name)
1535{
1536        struct snd_soc_pcm_runtime *rtd;
1537
1538        list_for_each_entry(rtd, &card->rtd_list, list) {
1539                if (!strcmp(rtd->codec_dai->name, dai_name))
1540                        return rtd->codec_dai;
1541        }
1542
1543        return NULL;
1544}
1545
1546#ifdef CONFIG_DEBUG_FS
1547extern struct dentry *snd_soc_debugfs_root;
1548#endif
1549
1550extern const struct dev_pm_ops snd_soc_pm_ops;
1551
1552/* Helper functions */
1553static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1554{
1555        mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1556}
1557
1558static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1559{
1560        mutex_unlock(&dapm->card->dapm_mutex);
1561}
1562
1563int snd_soc_component_enable_pin(struct snd_soc_component *component,
1564                                 const char *pin);
1565int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1566                                          const char *pin);
1567int snd_soc_component_disable_pin(struct snd_soc_component *component,
1568                                  const char *pin);
1569int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1570                                           const char *pin);
1571int snd_soc_component_nc_pin(struct snd_soc_component *component,
1572                             const char *pin);
1573int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1574                                      const char *pin);
1575int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1576                                     const char *pin);
1577int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1578                                       const char *pin);
1579int snd_soc_component_force_enable_pin_unlocked(
1580                                        struct snd_soc_component *component,
1581                                        const char *pin);
1582
1583#endif
1584