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        /*
 806         * signal if the module handling the component should not be removed
 807         * if a pcm is open. Setting this would prevent the module
 808         * refcount being incremented in probe() but allow it be incremented
 809         * when a pcm is opened and decremented when it is closed.
 810         */
 811        unsigned int module_get_upon_open:1;
 812
 813        /* bits */
 814        unsigned int idle_bias_on:1;
 815        unsigned int suspend_bias_off:1;
 816        unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
 817        unsigned int endianness:1;
 818        unsigned int non_legacy_dai_naming:1;
 819
 820        /* this component uses topology and ignore machine driver FEs */
 821        const char *ignore_machine;
 822        const char *topology_name_prefix;
 823        int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
 824                                  struct snd_pcm_hw_params *params);
 825        bool use_dai_pcm_id;    /* use the DAI link PCM ID as PCM device number */
 826        int be_pcm_base;        /* base device ID for all BE PCMs */
 827};
 828
 829struct snd_soc_component {
 830        const char *name;
 831        int id;
 832        const char *name_prefix;
 833        struct device *dev;
 834        struct snd_soc_card *card;
 835
 836        unsigned int active;
 837
 838        unsigned int suspended:1; /* is in suspend PM state */
 839
 840        struct list_head list;
 841        struct list_head card_aux_list; /* for auxiliary bound components */
 842        struct list_head card_list;
 843
 844        const struct snd_soc_component_driver *driver;
 845
 846        struct list_head dai_list;
 847        int num_dai;
 848
 849        struct regmap *regmap;
 850        int val_bytes;
 851
 852        struct mutex io_mutex;
 853
 854        /* attached dynamic objects */
 855        struct list_head dobj_list;
 856
 857        /*
 858        * DO NOT use any of the fields below in drivers, they are temporary and
 859        * are going to be removed again soon. If you use them in driver code the
 860        * driver will be marked as BROKEN when these fields are removed.
 861        */
 862
 863        /* Don't use these, use snd_soc_component_get_dapm() */
 864        struct snd_soc_dapm_context dapm;
 865
 866        /* machine specific init */
 867        int (*init)(struct snd_soc_component *component);
 868
 869#ifdef CONFIG_DEBUG_FS
 870        struct dentry *debugfs_root;
 871        const char *debugfs_prefix;
 872#endif
 873};
 874
 875#define for_each_component_dais(component, dai)\
 876        list_for_each_entry(dai, &(component)->dai_list, list)
 877#define for_each_component_dais_safe(component, dai, _dai)\
 878        list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list)
 879
 880struct snd_soc_rtdcom_list {
 881        struct snd_soc_component *component;
 882        struct list_head list; /* rtd::component_list */
 883};
 884struct snd_soc_component*
 885snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
 886                       const char *driver_name);
 887#define for_each_rtdcom(rtd, rtdcom) \
 888        list_for_each_entry(rtdcom, &(rtd)->component_list, list)
 889#define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
 890        list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
 891
 892struct snd_soc_dai_link_component {
 893        const char *name;
 894        struct device_node *of_node;
 895        const char *dai_name;
 896};
 897
 898struct snd_soc_dai_link {
 899        /* config - must be set by machine driver */
 900        const char *name;                       /* Codec name */
 901        const char *stream_name;                /* Stream name */
 902
 903        /*
 904         *      cpu_name
 905         *      cpu_of_node
 906         *      cpu_dai_name
 907         *
 908         * These are legacy style, and will be replaced to
 909         * modern style (= snd_soc_dai_link_component) in the future,
 910         * but, not yet supported so far.
 911         * If modern style was supported for CPU, all driver will switch
 912         * to use it, and, legacy style code will be removed from ALSA SoC.
 913         */
 914        /*
 915         * You MAY specify the link's CPU-side device, either by device name,
 916         * or by DT/OF node, but not both. If this information is omitted,
 917         * the CPU-side DAI is matched using .cpu_dai_name only, which hence
 918         * must be globally unique. These fields are currently typically used
 919         * only for codec to codec links, or systems using device tree.
 920         */
 921        const char *cpu_name;
 922        struct device_node *cpu_of_node;
 923        /*
 924         * You MAY specify the DAI name of the CPU DAI. If this information is
 925         * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
 926         * only, which only works well when that device exposes a single DAI.
 927         */
 928        const char *cpu_dai_name;
 929
 930        /*
 931         *      codec_name
 932         *      codec_of_node
 933         *      codec_dai_name
 934         *
 935         * These are legacy style, it will be converted to modern style
 936         * (= snd_soc_dai_link_component) automatically in soc-core
 937         * if driver is using legacy style.
 938         * Driver shouldn't use both legacy and modern style in the same time.
 939         * If modern style was supported for CPU, all driver will switch
 940         * to use it, and, legacy style code will be removed from ALSA SoC.
 941         */
 942        /*
 943         * You MUST specify the link's codec, either by device name, or by
 944         * DT/OF node, but not both.
 945         */
 946        const char *codec_name;
 947        struct device_node *codec_of_node;
 948        /* You MUST specify the DAI name within the codec */
 949        const char *codec_dai_name;
 950
 951        struct snd_soc_dai_link_component *codecs;
 952        unsigned int num_codecs;
 953
 954        /*
 955         *      platform_name
 956         *      platform_of_node
 957         *
 958         * These are legacy style, it will be converted to modern style
 959         * (= snd_soc_dai_link_component) automatically in soc-core
 960         * if driver is using legacy style.
 961         * Driver shouldn't use both legacy and modern style in the same time.
 962         * If modern style was supported for CPU, all driver will switch
 963         * to use it, and, legacy style code will be removed from ALSA SoC.
 964         */
 965        /*
 966         * You MAY specify the link's platform/PCM/DMA driver, either by
 967         * device name, or by DT/OF node, but not both. Some forms of link
 968         * do not need a platform.
 969         */
 970        const char *platform_name;
 971        struct device_node *platform_of_node;
 972        struct snd_soc_dai_link_component *platforms;
 973        unsigned int num_platforms;
 974
 975        int id; /* optional ID for machine driver link identification */
 976
 977        const struct snd_soc_pcm_stream *params;
 978        unsigned int num_params;
 979
 980        unsigned int dai_fmt;           /* format to set on init */
 981
 982        enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
 983
 984        /* codec/machine specific init - e.g. add machine controls */
 985        int (*init)(struct snd_soc_pcm_runtime *rtd);
 986
 987        /* optional hw_params re-writing for BE and FE sync */
 988        int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
 989                        struct snd_pcm_hw_params *params);
 990
 991        /* machine stream operations */
 992        const struct snd_soc_ops *ops;
 993        const struct snd_soc_compr_ops *compr_ops;
 994
 995        /* Mark this pcm with non atomic ops */
 996        bool nonatomic;
 997
 998        /* For unidirectional dai links */
 999        unsigned int playback_only:1;
1000        unsigned int capture_only:1;
1001
1002        /* Keep DAI active over suspend */
1003        unsigned int ignore_suspend:1;
1004
1005        /* Symmetry requirements */
1006        unsigned int symmetric_rates:1;
1007        unsigned int symmetric_channels:1;
1008        unsigned int symmetric_samplebits:1;
1009
1010        /* Do not create a PCM for this DAI link (Backend link) */
1011        unsigned int no_pcm:1;
1012
1013        /* This DAI link can route to other DAI links at runtime (Frontend)*/
1014        unsigned int dynamic:1;
1015
1016        /* DPCM capture and Playback support */
1017        unsigned int dpcm_capture:1;
1018        unsigned int dpcm_playback:1;
1019
1020        /* DPCM used FE & BE merged format */
1021        unsigned int dpcm_merged_format:1;
1022        /* DPCM used FE & BE merged channel */
1023        unsigned int dpcm_merged_chan:1;
1024        /* DPCM used FE & BE merged rate */
1025        unsigned int dpcm_merged_rate:1;
1026
1027        /* pmdown_time is ignored at stop */
1028        unsigned int ignore_pmdown_time:1;
1029
1030        /* Do not create a PCM for this DAI link (Backend link) */
1031        unsigned int ignore:1;
1032
1033        /*
1034         * This driver uses legacy platform naming. Set by the core, machine
1035         * drivers should not modify this value.
1036         */
1037        unsigned int legacy_platform:1;
1038
1039        struct list_head list; /* DAI link list of the soc card */
1040        struct snd_soc_dobj dobj; /* For topology */
1041};
1042#define for_each_link_codecs(link, i, codec)                            \
1043        for ((i) = 0;                                                   \
1044             ((i) < link->num_codecs) && ((codec) = &link->codecs[i]);  \
1045             (i)++)
1046
1047struct snd_soc_codec_conf {
1048        /*
1049         * specify device either by device name, or by
1050         * DT/OF node, but not both.
1051         */
1052        const char *dev_name;
1053        struct device_node *of_node;
1054
1055        /*
1056         * optional map of kcontrol, widget and path name prefixes that are
1057         * associated per device
1058         */
1059        const char *name_prefix;
1060};
1061
1062struct snd_soc_aux_dev {
1063        const char *name;               /* Codec name */
1064
1065        /*
1066         * specify multi-codec either by device name, or by
1067         * DT/OF node, but not both.
1068         */
1069        const char *codec_name;
1070        struct device_node *codec_of_node;
1071
1072        /* codec/machine specific init - e.g. add machine controls */
1073        int (*init)(struct snd_soc_component *component);
1074};
1075
1076/* SoC card */
1077struct snd_soc_card {
1078        const char *name;
1079        const char *long_name;
1080        const char *driver_name;
1081        char dmi_longname[80];
1082        char topology_shortname[32];
1083
1084        struct device *dev;
1085        struct snd_card *snd_card;
1086        struct module *owner;
1087
1088        struct mutex mutex;
1089        struct mutex dapm_mutex;
1090
1091        spinlock_t dpcm_lock;
1092
1093        bool instantiated;
1094        bool topology_shortname_created;
1095
1096        int (*probe)(struct snd_soc_card *card);
1097        int (*late_probe)(struct snd_soc_card *card);
1098        int (*remove)(struct snd_soc_card *card);
1099
1100        /* the pre and post PM functions are used to do any PM work before and
1101         * after the codec and DAI's do any PM work. */
1102        int (*suspend_pre)(struct snd_soc_card *card);
1103        int (*suspend_post)(struct snd_soc_card *card);
1104        int (*resume_pre)(struct snd_soc_card *card);
1105        int (*resume_post)(struct snd_soc_card *card);
1106
1107        /* callbacks */
1108        int (*set_bias_level)(struct snd_soc_card *,
1109                              struct snd_soc_dapm_context *dapm,
1110                              enum snd_soc_bias_level level);
1111        int (*set_bias_level_post)(struct snd_soc_card *,
1112                                   struct snd_soc_dapm_context *dapm,
1113                                   enum snd_soc_bias_level level);
1114
1115        int (*add_dai_link)(struct snd_soc_card *,
1116                            struct snd_soc_dai_link *link);
1117        void (*remove_dai_link)(struct snd_soc_card *,
1118                            struct snd_soc_dai_link *link);
1119
1120        long pmdown_time;
1121
1122        /* CPU <--> Codec DAI links  */
1123        struct snd_soc_dai_link *dai_link;  /* predefined links only */
1124        int num_links;  /* predefined links only */
1125        struct list_head dai_link_list; /* all links */
1126
1127        struct list_head rtd_list;
1128        int num_rtd;
1129
1130        /* optional codec specific configuration */
1131        struct snd_soc_codec_conf *codec_conf;
1132        int num_configs;
1133
1134        /*
1135         * optional auxiliary devices such as amplifiers or codecs with DAI
1136         * link unused
1137         */
1138        struct snd_soc_aux_dev *aux_dev;
1139        int num_aux_devs;
1140        struct list_head aux_comp_list;
1141
1142        const struct snd_kcontrol_new *controls;
1143        int num_controls;
1144
1145        /*
1146         * Card-specific routes and widgets.
1147         * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1148         */
1149        const struct snd_soc_dapm_widget *dapm_widgets;
1150        int num_dapm_widgets;
1151        const struct snd_soc_dapm_route *dapm_routes;
1152        int num_dapm_routes;
1153        const struct snd_soc_dapm_widget *of_dapm_widgets;
1154        int num_of_dapm_widgets;
1155        const struct snd_soc_dapm_route *of_dapm_routes;
1156        int num_of_dapm_routes;
1157        bool fully_routed;
1158
1159        struct work_struct deferred_resume_work;
1160
1161        /* lists of probed devices belonging to this card */
1162        struct list_head component_dev_list;
1163        struct list_head list;
1164
1165        struct list_head widgets;
1166        struct list_head paths;
1167        struct list_head dapm_list;
1168        struct list_head dapm_dirty;
1169
1170        /* attached dynamic objects */
1171        struct list_head dobj_list;
1172
1173        /* Generic DAPM context for the card */
1174        struct snd_soc_dapm_context dapm;
1175        struct snd_soc_dapm_stats dapm_stats;
1176        struct snd_soc_dapm_update *update;
1177
1178#ifdef CONFIG_DEBUG_FS
1179        struct dentry *debugfs_card_root;
1180        struct dentry *debugfs_pop_time;
1181#endif
1182        u32 pop_time;
1183
1184        void *drvdata;
1185};
1186#define for_each_card_prelinks(card, i, link)                           \
1187        for ((i) = 0;                                                   \
1188             ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1189             (i)++)
1190
1191#define for_each_card_links(card, link)                         \
1192        list_for_each_entry(dai_link, &(card)->dai_link_list, list)
1193#define for_each_card_links_safe(card, link, _link)                     \
1194        list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list)
1195
1196#define for_each_card_rtds(card, rtd)                   \
1197        list_for_each_entry(rtd, &(card)->rtd_list, list)
1198#define for_each_card_rtds_safe(card, rtd, _rtd)        \
1199        list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1200
1201#define for_each_card_components(card, component)                       \
1202        list_for_each_entry(component, &(card)->component_dev_list, card_list)
1203
1204/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1205struct snd_soc_pcm_runtime {
1206        struct device *dev;
1207        struct snd_soc_card *card;
1208        struct snd_soc_dai_link *dai_link;
1209        struct mutex pcm_mutex;
1210        enum snd_soc_pcm_subclass pcm_subclass;
1211        struct snd_pcm_ops ops;
1212
1213        unsigned int params_select; /* currently selected param for dai link */
1214
1215        /* Dynamic PCM BE runtime data */
1216        struct snd_soc_dpcm_runtime dpcm[2];
1217        int fe_compr;
1218
1219        long pmdown_time;
1220
1221        /* runtime devices */
1222        struct snd_pcm *pcm;
1223        struct snd_compr *compr;
1224        struct snd_soc_dai *codec_dai;
1225        struct snd_soc_dai *cpu_dai;
1226
1227        struct snd_soc_dai **codec_dais;
1228        unsigned int num_codecs;
1229
1230        struct delayed_work delayed_work;
1231#ifdef CONFIG_DEBUG_FS
1232        struct dentry *debugfs_dpcm_root;
1233#endif
1234
1235        unsigned int num; /* 0-based and monotonic increasing */
1236        struct list_head list; /* rtd list of the soc card */
1237        struct list_head component_list; /* list of connected components */
1238
1239        /* bit field */
1240        unsigned int dev_registered:1;
1241        unsigned int pop_wait:1;
1242};
1243#define for_each_rtd_codec_dai(rtd, i, dai)\
1244        for ((i) = 0;                                                  \
1245             ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \
1246             (i)++)
1247#define for_each_rtd_codec_dai_rollback(rtd, i, dai)            \
1248        for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);)
1249
1250
1251/* mixer control */
1252struct soc_mixer_control {
1253        int min, max, platform_max;
1254        int reg, rreg;
1255        unsigned int shift, rshift;
1256        unsigned int sign_bit;
1257        unsigned int invert:1;
1258        unsigned int autodisable:1;
1259        struct snd_soc_dobj dobj;
1260};
1261
1262struct soc_bytes {
1263        int base;
1264        int num_regs;
1265        u32 mask;
1266};
1267
1268struct soc_bytes_ext {
1269        int max;
1270        struct snd_soc_dobj dobj;
1271
1272        /* used for TLV byte control */
1273        int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1274                        unsigned int size);
1275        int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1276                        unsigned int size);
1277};
1278
1279/* multi register control */
1280struct soc_mreg_control {
1281        long min, max;
1282        unsigned int regbase, regcount, nbits, invert;
1283};
1284
1285/* enumerated kcontrol */
1286struct soc_enum {
1287        int reg;
1288        unsigned char shift_l;
1289        unsigned char shift_r;
1290        unsigned int items;
1291        unsigned int mask;
1292        const char * const *texts;
1293        const unsigned int *values;
1294        unsigned int autodisable:1;
1295        struct snd_soc_dobj dobj;
1296};
1297
1298/**
1299 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1300 *  embedded in
1301 * @dapm: The DAPM context to cast to the component
1302 *
1303 * This function must only be used on DAPM contexts that are known to be part of
1304 * a component (e.g. in a component driver). Otherwise the behavior is
1305 * undefined.
1306 */
1307static inline struct snd_soc_component *snd_soc_dapm_to_component(
1308        struct snd_soc_dapm_context *dapm)
1309{
1310        return container_of(dapm, struct snd_soc_component, dapm);
1311}
1312
1313/**
1314 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1315 *  component
1316 * @component: The component for which to get the DAPM context
1317 */
1318static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1319        struct snd_soc_component *component)
1320{
1321        return &component->dapm;
1322}
1323
1324/**
1325 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
1326 * @component: The COMPONENT for which to initialize the DAPM bias level
1327 * @level: The DAPM level to initialize to
1328 *
1329 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
1330 */
1331static inline void
1332snd_soc_component_init_bias_level(struct snd_soc_component *component,
1333                                  enum snd_soc_bias_level level)
1334{
1335        snd_soc_dapm_init_bias_level(
1336                snd_soc_component_get_dapm(component), level);
1337}
1338
1339/**
1340 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
1341 * @component: The COMPONENT for which to get the DAPM bias level
1342 *
1343 * Returns: The current DAPM bias level of the COMPONENT.
1344 */
1345static inline enum snd_soc_bias_level
1346snd_soc_component_get_bias_level(struct snd_soc_component *component)
1347{
1348        return snd_soc_dapm_get_bias_level(
1349                snd_soc_component_get_dapm(component));
1350}
1351
1352/**
1353 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
1354 * @component: The COMPONENT for which to set the level
1355 * @level: The level to set to
1356 *
1357 * Forces the COMPONENT bias level to a specific state. See
1358 * snd_soc_dapm_force_bias_level().
1359 */
1360static inline int
1361snd_soc_component_force_bias_level(struct snd_soc_component *component,
1362                                   enum snd_soc_bias_level level)
1363{
1364        return snd_soc_dapm_force_bias_level(
1365                snd_soc_component_get_dapm(component),
1366                level);
1367}
1368
1369/**
1370 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
1371 * @kcontrol: The kcontrol
1372 *
1373 * This function must only be used on DAPM contexts that are known to be part of
1374 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
1375 */
1376static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
1377        struct snd_kcontrol *kcontrol)
1378{
1379        return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
1380}
1381
1382/**
1383 * snd_soc_component_cache_sync() - Sync the register cache with the hardware
1384 * @component: COMPONENT to sync
1385 *
1386 * Note: This function will call regcache_sync()
1387 */
1388static inline int snd_soc_component_cache_sync(
1389        struct snd_soc_component *component)
1390{
1391        return regcache_sync(component->regmap);
1392}
1393
1394/* component IO */
1395int snd_soc_component_read(struct snd_soc_component *component,
1396        unsigned int reg, unsigned int *val);
1397unsigned int snd_soc_component_read32(struct snd_soc_component *component,
1398                                      unsigned int reg);
1399int snd_soc_component_write(struct snd_soc_component *component,
1400        unsigned int reg, unsigned int val);
1401int snd_soc_component_update_bits(struct snd_soc_component *component,
1402        unsigned int reg, unsigned int mask, unsigned int val);
1403int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1404        unsigned int reg, unsigned int mask, unsigned int val);
1405void snd_soc_component_async_complete(struct snd_soc_component *component);
1406int snd_soc_component_test_bits(struct snd_soc_component *component,
1407        unsigned int reg, unsigned int mask, unsigned int value);
1408
1409/* component wide operations */
1410int snd_soc_component_set_sysclk(struct snd_soc_component *component,
1411                        int clk_id, int source, unsigned int freq, int dir);
1412int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
1413                              int source, unsigned int freq_in,
1414                              unsigned int freq_out);
1415int snd_soc_component_set_jack(struct snd_soc_component *component,
1416                               struct snd_soc_jack *jack, void *data);
1417
1418#ifdef CONFIG_REGMAP
1419
1420void snd_soc_component_init_regmap(struct snd_soc_component *component,
1421        struct regmap *regmap);
1422void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1423
1424#endif
1425
1426/* device driver data */
1427
1428static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1429                void *data)
1430{
1431        card->drvdata = data;
1432}
1433
1434static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1435{
1436        return card->drvdata;
1437}
1438
1439static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1440                void *data)
1441{
1442        dev_set_drvdata(c->dev, data);
1443}
1444
1445static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1446{
1447        return dev_get_drvdata(c->dev);
1448}
1449
1450static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1451{
1452        INIT_LIST_HEAD(&card->widgets);
1453        INIT_LIST_HEAD(&card->paths);
1454        INIT_LIST_HEAD(&card->dapm_list);
1455        INIT_LIST_HEAD(&card->aux_comp_list);
1456        INIT_LIST_HEAD(&card->component_dev_list);
1457        INIT_LIST_HEAD(&card->list);
1458}
1459
1460static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1461{
1462        if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1463                return 0;
1464        /*
1465         * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1466         * mc->reg != mc->rreg means that the control is
1467         * stereo (bits in one register or in two registers)
1468         */
1469        return 1;
1470}
1471
1472static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1473        unsigned int val)
1474{
1475        unsigned int i;
1476
1477        if (!e->values)
1478                return val;
1479
1480        for (i = 0; i < e->items; i++)
1481                if (val == e->values[i])
1482                        return i;
1483
1484        return 0;
1485}
1486
1487static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1488        unsigned int item)
1489{
1490        if (!e->values)
1491                return item;
1492
1493        return e->values[item];
1494}
1495
1496static inline bool snd_soc_component_is_active(
1497        struct snd_soc_component *component)
1498{
1499        return component->active != 0;
1500}
1501
1502/**
1503 * snd_soc_kcontrol_component() - Returns the component that registered the
1504 *  control
1505 * @kcontrol: The control for which to get the component
1506 *
1507 * Note: This function will work correctly if the control has been registered
1508 * for a component. With snd_soc_add_codec_controls() or via table based
1509 * setup for either a CODEC or component driver. Otherwise the behavior is
1510 * undefined.
1511 */
1512static inline struct snd_soc_component *snd_soc_kcontrol_component(
1513        struct snd_kcontrol *kcontrol)
1514{
1515        return snd_kcontrol_chip(kcontrol);
1516}
1517
1518int snd_soc_util_init(void);
1519void snd_soc_util_exit(void);
1520
1521int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1522                               const char *propname);
1523int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1524                                          const char *propname);
1525int snd_soc_of_get_slot_mask(struct device_node *np,
1526                             const char *prop_name,
1527                             unsigned int *mask);
1528int snd_soc_of_parse_tdm_slot(struct device_node *np,
1529                              unsigned int *tx_mask,
1530                              unsigned int *rx_mask,
1531                              unsigned int *slots,
1532                              unsigned int *slot_width);
1533void snd_soc_of_parse_node_prefix(struct device_node *np,
1534                                   struct snd_soc_codec_conf *codec_conf,
1535                                   struct device_node *of_node,
1536                                   const char *propname);
1537static inline
1538void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1539                                   struct snd_soc_codec_conf *codec_conf,
1540                                   struct device_node *of_node,
1541                                   const char *propname)
1542{
1543        snd_soc_of_parse_node_prefix(card->dev->of_node,
1544                                     codec_conf, of_node, propname);
1545}
1546
1547int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1548                                   const char *propname);
1549unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1550                                     const char *prefix,
1551                                     struct device_node **bitclkmaster,
1552                                     struct device_node **framemaster);
1553int snd_soc_get_dai_id(struct device_node *ep);
1554int snd_soc_get_dai_name(struct of_phandle_args *args,
1555                         const char **dai_name);
1556int snd_soc_of_get_dai_name(struct device_node *of_node,
1557                            const char **dai_name);
1558int snd_soc_of_get_dai_link_codecs(struct device *dev,
1559                                   struct device_node *of_node,
1560                                   struct snd_soc_dai_link *dai_link);
1561void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1562
1563int snd_soc_add_dai_link(struct snd_soc_card *card,
1564                                struct snd_soc_dai_link *dai_link);
1565void snd_soc_remove_dai_link(struct snd_soc_card *card,
1566                             struct snd_soc_dai_link *dai_link);
1567struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1568                                               int id, const char *name,
1569                                               const char *stream_name);
1570
1571int snd_soc_register_dai(struct snd_soc_component *component,
1572        struct snd_soc_dai_driver *dai_drv);
1573
1574struct snd_soc_dai *snd_soc_find_dai(
1575        const struct snd_soc_dai_link_component *dlc);
1576
1577#include <sound/soc-dai.h>
1578
1579static inline
1580struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1581                                               const char *dai_name)
1582{
1583        struct snd_soc_pcm_runtime *rtd;
1584
1585        list_for_each_entry(rtd, &card->rtd_list, list) {
1586                if (!strcmp(rtd->codec_dai->name, dai_name))
1587                        return rtd->codec_dai;
1588        }
1589
1590        return NULL;
1591}
1592
1593static inline
1594int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1595                                          const char *platform_name)
1596{
1597        struct snd_soc_dai_link *dai_link;
1598        const char *name;
1599        int i;
1600
1601        if (!platform_name) /* nothing to do */
1602                return 0;
1603
1604        /* set platform name for each dailink */
1605        for_each_card_prelinks(card, i, dai_link) {
1606                name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1607                if (!name)
1608                        return -ENOMEM;
1609
1610                if (dai_link->platforms)
1611                        /* only single platform is supported for now */
1612                        dai_link->platforms->name = name;
1613                else
1614                        /*
1615                         * legacy mode, this case will be removed when all
1616                         * derivers are switched to modern style dai_link.
1617                         */
1618                        dai_link->platform_name = name;
1619        }
1620
1621        return 0;
1622}
1623
1624#ifdef CONFIG_DEBUG_FS
1625extern struct dentry *snd_soc_debugfs_root;
1626#endif
1627
1628extern const struct dev_pm_ops snd_soc_pm_ops;
1629
1630/* Helper functions */
1631static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1632{
1633        mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1634}
1635
1636static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1637{
1638        mutex_unlock(&dapm->card->dapm_mutex);
1639}
1640
1641int snd_soc_component_enable_pin(struct snd_soc_component *component,
1642                                 const char *pin);
1643int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1644                                          const char *pin);
1645int snd_soc_component_disable_pin(struct snd_soc_component *component,
1646                                  const char *pin);
1647int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1648                                           const char *pin);
1649int snd_soc_component_nc_pin(struct snd_soc_component *component,
1650                             const char *pin);
1651int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1652                                      const char *pin);
1653int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1654                                     const char *pin);
1655int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1656                                       const char *pin);
1657int snd_soc_component_force_enable_pin_unlocked(
1658                                        struct snd_soc_component *component,
1659                                        const char *pin);
1660
1661#endif
1662