linux/include/sound/soc.h
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   1/*
   2 * linux/sound/soc.h -- ALSA SoC Layer
   3 *
   4 * Author:              Liam Girdwood
   5 * Created:             Aug 11th 2005
   6 * Copyright:   Wolfson Microelectronics. PLC.
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License version 2 as
  10 * published by the Free Software Foundation.
  11 */
  12
  13#ifndef __LINUX_SND_SOC_H
  14#define __LINUX_SND_SOC_H
  15
  16#include <linux/of.h>
  17#include <linux/platform_device.h>
  18#include <linux/types.h>
  19#include <linux/notifier.h>
  20#include <linux/workqueue.h>
  21#include <linux/interrupt.h>
  22#include <linux/kernel.h>
  23#include <linux/regmap.h>
  24#include <linux/log2.h>
  25#include <sound/core.h>
  26#include <sound/pcm.h>
  27#include <sound/compress_driver.h>
  28#include <sound/control.h>
  29#include <sound/ac97_codec.h>
  30
  31/*
  32 * Convenience kcontrol builders
  33 */
  34#define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
  35        ((unsigned long)&(struct soc_mixer_control) \
  36        {.reg = xreg, .rreg = xreg, .shift = shift_left, \
  37        .rshift = shift_right, .max = xmax, .platform_max = xmax, \
  38        .invert = xinvert, .autodisable = xautodisable})
  39#define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
  40        ((unsigned long)&(struct soc_mixer_control) \
  41        {.reg = xreg, .rreg = xreg, .shift = shift_left, \
  42        .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
  43        .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
  44#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
  45        SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
  46#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
  47        ((unsigned long)&(struct soc_mixer_control) \
  48        {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
  49#define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
  50        ((unsigned long)&(struct soc_mixer_control) \
  51        {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  52        .max = xmax, .platform_max = xmax, .invert = xinvert})
  53#define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
  54        ((unsigned long)&(struct soc_mixer_control) \
  55        {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  56        .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
  57        .invert = xinvert})
  58#define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
  59        ((unsigned long)&(struct soc_mixer_control) \
  60        {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  61        .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
  62#define SOC_SINGLE(xname, reg, shift, max, invert) \
  63{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  64        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  65        .put = snd_soc_put_volsw, \
  66        .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
  67#define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
  68{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  69        .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
  70        .put = snd_soc_put_volsw_range, \
  71        .private_value = (unsigned long)&(struct soc_mixer_control) \
  72                {.reg = xreg, .rreg = xreg, .shift = xshift, \
  73                 .rshift = xshift,  .min = xmin, .max = xmax, \
  74                 .platform_max = xmax, .invert = xinvert} }
  75#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
  76{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  77        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  78                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  79        .tlv.p = (tlv_array), \
  80        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  81        .put = snd_soc_put_volsw, \
  82        .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
  83#define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
  84{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  85        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  86        SNDRV_CTL_ELEM_ACCESS_READWRITE, \
  87        .tlv.p  = (tlv_array),\
  88        .info = snd_soc_info_volsw_sx, \
  89        .get = snd_soc_get_volsw_sx,\
  90        .put = snd_soc_put_volsw_sx, \
  91        .private_value = (unsigned long)&(struct soc_mixer_control) \
  92                {.reg = xreg, .rreg = xreg, \
  93                .shift = xshift, .rshift = xshift, \
  94                .max = xmax, .min = xmin} }
  95#define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
  96{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  97        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  98                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  99        .tlv.p = (tlv_array), \
 100        .info = snd_soc_info_volsw_range, \
 101        .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 102        .private_value = (unsigned long)&(struct soc_mixer_control) \
 103                {.reg = xreg, .rreg = xreg, .shift = xshift, \
 104                 .rshift = xshift, .min = xmin, .max = xmax, \
 105                 .platform_max = xmax, .invert = xinvert} }
 106#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
 107{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 108        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
 109        .put = snd_soc_put_volsw, \
 110        .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 111                                          max, invert, 0) }
 112#define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
 113{                                                                       \
 114        .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),           \
 115        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,           \
 116        .access = SNDRV_CTL_ELEM_ACCESS_READ |                          \
 117                SNDRV_CTL_ELEM_ACCESS_VOLATILE,                         \
 118        .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 119                                          max, invert, 0) }
 120#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
 121{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 122        .info = snd_soc_info_volsw, \
 123        .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 124        .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 125                                            xmax, xinvert) }
 126#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
 127                           xmax, xinvert)               \
 128{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 129        .info = snd_soc_info_volsw_range, \
 130        .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 131        .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
 132                                            xshift, xmin, xmax, xinvert) }
 133#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
 134{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 135        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 136                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 137        .tlv.p = (tlv_array), \
 138        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
 139        .put = snd_soc_put_volsw, \
 140        .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 141                                          max, invert, 0) }
 142#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
 143{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 144        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 145                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 146        .tlv.p = (tlv_array), \
 147        .info = snd_soc_info_volsw, \
 148        .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 149        .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 150                                            xmax, xinvert) }
 151#define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
 152                               xmax, xinvert, tlv_array)                \
 153{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 154        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 155                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 156        .tlv.p = (tlv_array), \
 157        .info = snd_soc_info_volsw_range, \
 158        .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 159        .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
 160                                            xshift, xmin, xmax, xinvert) }
 161#define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
 162{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 163        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 164        SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 165        .tlv.p  = (tlv_array), \
 166        .info = snd_soc_info_volsw_sx, \
 167        .get = snd_soc_get_volsw_sx, \
 168        .put = snd_soc_put_volsw_sx, \
 169        .private_value = (unsigned long)&(struct soc_mixer_control) \
 170                {.reg = xreg, .rreg = xrreg, \
 171                .shift = xshift, .rshift = xshift, \
 172                .max = xmax, .min = xmin} }
 173#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
 174{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 175        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 176                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 177        .tlv.p = (tlv_array), \
 178        .info = snd_soc_info_volsw, \
 179        .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 180        .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
 181                                            xmin, xmax, xsign_bit, xinvert) }
 182#define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 183{       .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 184        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 185                  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 186        .tlv.p  = (tlv_array), \
 187        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 188        .put = snd_soc_put_volsw, \
 189        .private_value = (unsigned long)&(struct soc_mixer_control) \
 190        {.reg = xreg, .rreg = xreg,  \
 191         .min = xmin, .max = xmax, .platform_max = xmax, \
 192        .sign_bit = 7,} }
 193#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 194{       .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 195        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 196                  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 197        .tlv.p  = (tlv_array), \
 198        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 199        .put = snd_soc_put_volsw, \
 200        .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
 201#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
 202{       .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 203        .items = xitems, .texts = xtexts, \
 204        .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
 205#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
 206        SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
 207#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
 208{       .items = xitems, .texts = xtexts }
 209#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
 210{       .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 211        .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
 212#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
 213        SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
 214#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
 215{       .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
 216        .mask = xmask, .items = xitems, .texts = xtexts, \
 217        .values = xvalues, .autodisable = 1}
 218#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
 219        SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
 220#define SOC_ENUM(xname, xenum) \
 221{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
 222        .info = snd_soc_info_enum_double, \
 223        .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
 224        .private_value = (unsigned long)&xenum }
 225#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
 226         xhandler_get, xhandler_put) \
 227{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 228        .info = snd_soc_info_volsw, \
 229        .get = xhandler_get, .put = xhandler_put, \
 230        .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 231#define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
 232         xhandler_get, xhandler_put) \
 233{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 234        .info = snd_soc_info_volsw, \
 235        .get = xhandler_get, .put = xhandler_put, \
 236        .private_value = \
 237                SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
 238#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
 239         xhandler_get, xhandler_put) \
 240{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 241        .info = snd_soc_info_volsw, \
 242        .get = xhandler_get, .put = xhandler_put, \
 243        .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 244                                            xmax, xinvert) }
 245#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
 246         xhandler_get, xhandler_put, tlv_array) \
 247{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 248        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 249                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 250        .tlv.p = (tlv_array), \
 251        .info = snd_soc_info_volsw, \
 252        .get = xhandler_get, .put = xhandler_put, \
 253        .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 254#define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
 255                                 xhandler_get, xhandler_put, tlv_array) \
 256{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 257        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 258                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 259        .tlv.p = (tlv_array), \
 260        .info = snd_soc_info_volsw_range, \
 261        .get = xhandler_get, .put = xhandler_put, \
 262        .private_value = (unsigned long)&(struct soc_mixer_control) \
 263                {.reg = xreg, .rreg = xreg, .shift = xshift, \
 264                 .rshift = xshift, .min = xmin, .max = xmax, \
 265                 .platform_max = xmax, .invert = xinvert} }
 266#define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
 267         xhandler_get, xhandler_put, tlv_array) \
 268{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 269        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 270                 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 271        .tlv.p = (tlv_array), \
 272        .info = snd_soc_info_volsw, \
 273        .get = xhandler_get, .put = xhandler_put, \
 274        .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
 275                                          xmax, xinvert, 0) }
 276#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
 277         xhandler_get, xhandler_put, tlv_array) \
 278{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 279        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 280                 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 281        .tlv.p = (tlv_array), \
 282        .info = snd_soc_info_volsw, \
 283        .get = xhandler_get, .put = xhandler_put, \
 284        .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 285                                            xmax, xinvert) }
 286#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
 287{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 288        .info = snd_soc_info_bool_ext, \
 289        .get = xhandler_get, .put = xhandler_put, \
 290        .private_value = xdata }
 291#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 292{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 293        .info = snd_soc_info_enum_double, \
 294        .get = xhandler_get, .put = xhandler_put, \
 295        .private_value = (unsigned long)&xenum }
 296#define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 297        SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
 298
 299#define SND_SOC_BYTES(xname, xbase, xregs)                    \
 300{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 301        .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 302        .put = snd_soc_bytes_put, .private_value =            \
 303                ((unsigned long)&(struct soc_bytes)           \
 304                {.base = xbase, .num_regs = xregs }) }
 305
 306#define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)        \
 307{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 308        .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 309        .put = snd_soc_bytes_put, .private_value =            \
 310                ((unsigned long)&(struct soc_bytes)           \
 311                {.base = xbase, .num_regs = xregs,            \
 312                 .mask = xmask }) }
 313
 314/*
 315 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
 316 */
 317#define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
 318{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 319        .info = snd_soc_bytes_info_ext, \
 320        .get = xhandler_get, .put = xhandler_put, \
 321        .private_value = (unsigned long)&(struct soc_bytes_ext) \
 322                {.max = xcount} }
 323#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
 324{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 325        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
 326                  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
 327        .tlv.c = (snd_soc_bytes_tlv_callback), \
 328        .info = snd_soc_bytes_info_ext, \
 329        .private_value = (unsigned long)&(struct soc_bytes_ext) \
 330                {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
 331#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
 332                xmin, xmax, xinvert) \
 333{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 334        .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
 335        .put = snd_soc_put_xr_sx, \
 336        .private_value = (unsigned long)&(struct soc_mreg_control) \
 337                {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
 338                .invert = xinvert, .min = xmin, .max = xmax} }
 339
 340#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
 341        SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
 342                snd_soc_get_strobe, snd_soc_put_strobe)
 343
 344/*
 345 * Simplified versions of above macros, declaring a struct and calculating
 346 * ARRAY_SIZE internally
 347 */
 348#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
 349        const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
 350                                                ARRAY_SIZE(xtexts), xtexts)
 351#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
 352        SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
 353#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
 354        const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
 355#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
 356        const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
 357                                                        ARRAY_SIZE(xtexts), xtexts, xvalues)
 358#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 359        SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
 360
 361#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 362        const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
 363                xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
 364
 365#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
 366        const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
 367
 368/*
 369 * Component probe and remove ordering levels for components with runtime
 370 * dependencies.
 371 */
 372#define SND_SOC_COMP_ORDER_FIRST                -2
 373#define SND_SOC_COMP_ORDER_EARLY                -1
 374#define SND_SOC_COMP_ORDER_NORMAL               0
 375#define SND_SOC_COMP_ORDER_LATE         1
 376#define SND_SOC_COMP_ORDER_LAST         2
 377
 378/*
 379 * Bias levels
 380 *
 381 * @ON:      Bias is fully on for audio playback and capture operations.
 382 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
 383 *           stream start and stop operations.
 384 * @STANDBY: Low power standby state when no playback/capture operations are
 385 *           in progress. NOTE: The transition time between STANDBY and ON
 386 *           should be as fast as possible and no longer than 10ms.
 387 * @OFF:     Power Off. No restrictions on transition times.
 388 */
 389enum snd_soc_bias_level {
 390        SND_SOC_BIAS_OFF = 0,
 391        SND_SOC_BIAS_STANDBY = 1,
 392        SND_SOC_BIAS_PREPARE = 2,
 393        SND_SOC_BIAS_ON = 3,
 394};
 395
 396struct device_node;
 397struct snd_jack;
 398struct snd_soc_card;
 399struct snd_soc_pcm_stream;
 400struct snd_soc_ops;
 401struct snd_soc_pcm_runtime;
 402struct snd_soc_dai;
 403struct snd_soc_dai_driver;
 404struct snd_soc_platform;
 405struct snd_soc_dai_link;
 406struct snd_soc_platform_driver;
 407struct snd_soc_codec;
 408struct snd_soc_codec_driver;
 409struct snd_soc_component;
 410struct snd_soc_component_driver;
 411struct soc_enum;
 412struct snd_soc_jack;
 413struct snd_soc_jack_zone;
 414struct snd_soc_jack_pin;
 415#include <sound/soc-dapm.h>
 416#include <sound/soc-dpcm.h>
 417#include <sound/soc-topology.h>
 418
 419struct snd_soc_jack_gpio;
 420
 421typedef int (*hw_write_t)(void *,const char* ,int);
 422
 423enum snd_soc_pcm_subclass {
 424        SND_SOC_PCM_CLASS_PCM   = 0,
 425        SND_SOC_PCM_CLASS_BE    = 1,
 426};
 427
 428enum snd_soc_card_subclass {
 429        SND_SOC_CARD_CLASS_INIT         = 0,
 430        SND_SOC_CARD_CLASS_RUNTIME      = 1,
 431};
 432
 433int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
 434                             int source, unsigned int freq, int dir);
 435int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
 436                          unsigned int freq_in, unsigned int freq_out);
 437int snd_soc_codec_set_jack(struct snd_soc_codec *codec,
 438                           struct snd_soc_jack *jack, void *data);
 439
 440int snd_soc_register_card(struct snd_soc_card *card);
 441int snd_soc_unregister_card(struct snd_soc_card *card);
 442int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
 443#ifdef CONFIG_PM_SLEEP
 444int snd_soc_suspend(struct device *dev);
 445int snd_soc_resume(struct device *dev);
 446#else
 447static inline int snd_soc_suspend(struct device *dev)
 448{
 449        return 0;
 450}
 451
 452static inline int snd_soc_resume(struct device *dev)
 453{
 454        return 0;
 455}
 456#endif
 457int snd_soc_poweroff(struct device *dev);
 458int snd_soc_register_platform(struct device *dev,
 459                const struct snd_soc_platform_driver *platform_drv);
 460int devm_snd_soc_register_platform(struct device *dev,
 461                const struct snd_soc_platform_driver *platform_drv);
 462void snd_soc_unregister_platform(struct device *dev);
 463int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
 464                const struct snd_soc_platform_driver *platform_drv);
 465void snd_soc_remove_platform(struct snd_soc_platform *platform);
 466struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
 467int snd_soc_register_codec(struct device *dev,
 468                const struct snd_soc_codec_driver *codec_drv,
 469                struct snd_soc_dai_driver *dai_drv, int num_dai);
 470void snd_soc_unregister_codec(struct device *dev);
 471int snd_soc_register_component(struct device *dev,
 472                         const struct snd_soc_component_driver *cmpnt_drv,
 473                         struct snd_soc_dai_driver *dai_drv, int num_dai);
 474int devm_snd_soc_register_component(struct device *dev,
 475                         const struct snd_soc_component_driver *cmpnt_drv,
 476                         struct snd_soc_dai_driver *dai_drv, int num_dai);
 477void snd_soc_unregister_component(struct device *dev);
 478int snd_soc_cache_init(struct snd_soc_codec *codec);
 479int snd_soc_cache_exit(struct snd_soc_codec *codec);
 480
 481int snd_soc_platform_read(struct snd_soc_platform *platform,
 482                                        unsigned int reg);
 483int snd_soc_platform_write(struct snd_soc_platform *platform,
 484                                        unsigned int reg, unsigned int val);
 485int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 486#ifdef CONFIG_SND_SOC_COMPRESS
 487int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
 488#endif
 489
 490struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
 491                const char *dai_link, int stream);
 492struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 493                const char *dai_link);
 494
 495bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 496void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
 497void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
 498
 499int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 500        unsigned int dai_fmt);
 501
 502#ifdef CONFIG_DMI
 503int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
 504#else
 505static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
 506                                       const char *flavour)
 507{
 508        return 0;
 509}
 510#endif
 511
 512/* Utility functions to get clock rates from various things */
 513int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
 514int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
 515int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 516int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
 517
 518/* set runtime hw params */
 519int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 520        const struct snd_pcm_hardware *hw);
 521
 522int soc_dai_hw_params(struct snd_pcm_substream *substream,
 523                      struct snd_pcm_hw_params *params,
 524                      struct snd_soc_dai *dai);
 525
 526/* Jack reporting */
 527int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
 528        struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
 529        unsigned int num_pins);
 530
 531void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 532int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 533                          struct snd_soc_jack_pin *pins);
 534void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
 535                                    struct notifier_block *nb);
 536void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
 537                                      struct notifier_block *nb);
 538int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
 539                          struct snd_soc_jack_zone *zones);
 540int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
 541#ifdef CONFIG_GPIOLIB
 542int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 543                        struct snd_soc_jack_gpio *gpios);
 544int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 545                            struct snd_soc_jack *jack,
 546                            int count, struct snd_soc_jack_gpio *gpios);
 547void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 548                        struct snd_soc_jack_gpio *gpios);
 549#else
 550static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 551                                         struct snd_soc_jack_gpio *gpios)
 552{
 553        return 0;
 554}
 555
 556static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 557                                          struct snd_soc_jack *jack,
 558                                          int count,
 559                                          struct snd_soc_jack_gpio *gpios)
 560{
 561        return 0;
 562}
 563
 564static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 565                                           struct snd_soc_jack_gpio *gpios)
 566{
 567}
 568#endif
 569
 570/* codec register bit access */
 571int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
 572                                unsigned int mask, unsigned int value);
 573int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
 574                               unsigned int reg, unsigned int mask,
 575                               unsigned int value);
 576int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
 577                                unsigned int mask, unsigned int value);
 578
 579#ifdef CONFIG_SND_SOC_AC97_BUS
 580struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
 581struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
 582        unsigned int id, unsigned int id_mask);
 583void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
 584
 585int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 586int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 587                struct platform_device *pdev);
 588
 589extern struct snd_ac97_bus_ops *soc_ac97_ops;
 590#else
 591static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 592        struct platform_device *pdev)
 593{
 594        return 0;
 595}
 596
 597static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
 598{
 599        return 0;
 600}
 601#endif
 602
 603/*
 604 *Controls
 605 */
 606struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 607                                  void *data, const char *long_name,
 608                                  const char *prefix);
 609struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 610                                               const char *name);
 611int snd_soc_add_component_controls(struct snd_soc_component *component,
 612        const struct snd_kcontrol_new *controls, unsigned int num_controls);
 613int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
 614        const struct snd_kcontrol_new *controls, unsigned int num_controls);
 615int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
 616        const struct snd_kcontrol_new *controls, unsigned int num_controls);
 617int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 618        const struct snd_kcontrol_new *controls, int num_controls);
 619int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
 620        const struct snd_kcontrol_new *controls, int num_controls);
 621int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 622        struct snd_ctl_elem_info *uinfo);
 623int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 624        struct snd_ctl_elem_value *ucontrol);
 625int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 626        struct snd_ctl_elem_value *ucontrol);
 627int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 628        struct snd_ctl_elem_info *uinfo);
 629int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
 630                          struct snd_ctl_elem_info *uinfo);
 631#define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 632int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 633        struct snd_ctl_elem_value *ucontrol);
 634int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 635        struct snd_ctl_elem_value *ucontrol);
 636#define snd_soc_get_volsw_2r snd_soc_get_volsw
 637#define snd_soc_put_volsw_2r snd_soc_put_volsw
 638int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
 639        struct snd_ctl_elem_value *ucontrol);
 640int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 641        struct snd_ctl_elem_value *ucontrol);
 642int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
 643        struct snd_ctl_elem_info *uinfo);
 644int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 645        struct snd_ctl_elem_value *ucontrol);
 646int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 647        struct snd_ctl_elem_value *ucontrol);
 648int snd_soc_limit_volume(struct snd_soc_card *card,
 649        const char *name, int max);
 650int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
 651                       struct snd_ctl_elem_info *uinfo);
 652int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
 653                      struct snd_ctl_elem_value *ucontrol);
 654int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
 655                      struct snd_ctl_elem_value *ucontrol);
 656int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 657        struct snd_ctl_elem_info *ucontrol);
 658int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 659        unsigned int size, unsigned int __user *tlv);
 660int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
 661        struct snd_ctl_elem_info *uinfo);
 662int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 663        struct snd_ctl_elem_value *ucontrol);
 664int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 665        struct snd_ctl_elem_value *ucontrol);
 666int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
 667        struct snd_ctl_elem_value *ucontrol);
 668int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
 669        struct snd_ctl_elem_value *ucontrol);
 670
 671/**
 672 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 673 *
 674 * @pin:    name of the pin to update
 675 * @mask:   bits to check for in reported jack status
 676 * @invert: if non-zero then pin is enabled when status is not reported
 677 * @list:   internal list entry
 678 */
 679struct snd_soc_jack_pin {
 680        struct list_head list;
 681        const char *pin;
 682        int mask;
 683        bool invert;
 684};
 685
 686/**
 687 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
 688 *
 689 * @min_mv: start voltage in mv
 690 * @max_mv: end voltage in mv
 691 * @jack_type: type of jack that is expected for this voltage
 692 * @debounce_time: debounce_time for jack, codec driver should wait for this
 693 *              duration before reading the adc for voltages
 694 * @list:   internal list entry
 695 */
 696struct snd_soc_jack_zone {
 697        unsigned int min_mv;
 698        unsigned int max_mv;
 699        unsigned int jack_type;
 700        unsigned int debounce_time;
 701        struct list_head list;
 702};
 703
 704/**
 705 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 706 *
 707 * @gpio:         legacy gpio number
 708 * @idx:          gpio descriptor index within the function of the GPIO
 709 *                consumer device
 710 * @gpiod_dev:    GPIO consumer device
 711 * @name:         gpio name. Also as connection ID for the GPIO consumer
 712 *                device function name lookup
 713 * @report:       value to report when jack detected
 714 * @invert:       report presence in low state
 715 * @debounce_time: debounce time in ms
 716 * @wake:         enable as wake source
 717 * @jack_status_check: callback function which overrides the detection
 718 *                     to provide more complex checks (eg, reading an
 719 *                     ADC).
 720 */
 721struct snd_soc_jack_gpio {
 722        unsigned int gpio;
 723        unsigned int idx;
 724        struct device *gpiod_dev;
 725        const char *name;
 726        int report;
 727        int invert;
 728        int debounce_time;
 729        bool wake;
 730
 731        /* private: */
 732        struct snd_soc_jack *jack;
 733        struct delayed_work work;
 734        struct notifier_block pm_notifier;
 735        struct gpio_desc *desc;
 736
 737        void *data;
 738        /* public: */
 739        int (*jack_status_check)(void *data);
 740};
 741
 742struct snd_soc_jack {
 743        struct mutex mutex;
 744        struct snd_jack *jack;
 745        struct snd_soc_card *card;
 746        struct list_head pins;
 747        int status;
 748        struct blocking_notifier_head notifier;
 749        struct list_head jack_zones;
 750};
 751
 752/* SoC PCM stream information */
 753struct snd_soc_pcm_stream {
 754        const char *stream_name;
 755        u64 formats;                    /* SNDRV_PCM_FMTBIT_* */
 756        unsigned int rates;             /* SNDRV_PCM_RATE_* */
 757        unsigned int rate_min;          /* min rate */
 758        unsigned int rate_max;          /* max rate */
 759        unsigned int channels_min;      /* min channels */
 760        unsigned int channels_max;      /* max channels */
 761        unsigned int sig_bits;          /* number of bits of content */
 762};
 763
 764/* SoC audio ops */
 765struct snd_soc_ops {
 766        int (*startup)(struct snd_pcm_substream *);
 767        void (*shutdown)(struct snd_pcm_substream *);
 768        int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 769        int (*hw_free)(struct snd_pcm_substream *);
 770        int (*prepare)(struct snd_pcm_substream *);
 771        int (*trigger)(struct snd_pcm_substream *, int);
 772};
 773
 774struct snd_soc_compr_ops {
 775        int (*startup)(struct snd_compr_stream *);
 776        void (*shutdown)(struct snd_compr_stream *);
 777        int (*set_params)(struct snd_compr_stream *);
 778        int (*trigger)(struct snd_compr_stream *);
 779};
 780
 781/* component interface */
 782struct snd_soc_component_driver {
 783        const char *name;
 784
 785        /* Default control and setup, added after probe() is run */
 786        const struct snd_kcontrol_new *controls;
 787        unsigned int num_controls;
 788        const struct snd_soc_dapm_widget *dapm_widgets;
 789        unsigned int num_dapm_widgets;
 790        const struct snd_soc_dapm_route *dapm_routes;
 791        unsigned int num_dapm_routes;
 792
 793        int (*probe)(struct snd_soc_component *);
 794        void (*remove)(struct snd_soc_component *);
 795        int (*suspend)(struct snd_soc_component *);
 796        int (*resume)(struct snd_soc_component *);
 797
 798        /* DT */
 799        int (*of_xlate_dai_name)(struct snd_soc_component *component,
 800                                 struct of_phandle_args *args,
 801                                 const char **dai_name);
 802        int (*of_xlate_dai_id)(struct snd_soc_component *comment,
 803                               struct device_node *endpoint);
 804        void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
 805                int subseq);
 806        int (*stream_event)(struct snd_soc_component *, int event);
 807
 808        /* probe ordering - for components with runtime dependencies */
 809        int probe_order;
 810        int remove_order;
 811};
 812
 813struct snd_soc_component {
 814        const char *name;
 815        int id;
 816        const char *name_prefix;
 817        struct device *dev;
 818        struct snd_soc_card *card;
 819
 820        unsigned int active;
 821
 822        unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
 823        unsigned int registered_as_component:1;
 824        unsigned int suspended:1; /* is in suspend PM state */
 825
 826        struct list_head list;
 827        struct list_head card_aux_list; /* for auxiliary bound components */
 828        struct list_head card_list;
 829
 830        struct snd_soc_dai_driver *dai_drv;
 831        int num_dai;
 832
 833        const struct snd_soc_component_driver *driver;
 834
 835        struct list_head dai_list;
 836
 837        int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
 838        int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
 839
 840        struct regmap *regmap;
 841        int val_bytes;
 842
 843        struct mutex io_mutex;
 844
 845        /* attached dynamic objects */
 846        struct list_head dobj_list;
 847
 848#ifdef CONFIG_DEBUG_FS
 849        struct dentry *debugfs_root;
 850#endif
 851
 852        /*
 853        * DO NOT use any of the fields below in drivers, they are temporary and
 854        * are going to be removed again soon. If you use them in driver code the
 855        * driver will be marked as BROKEN when these fields are removed.
 856        */
 857
 858        /* Don't use these, use snd_soc_component_get_dapm() */
 859        struct snd_soc_dapm_context dapm;
 860
 861        const struct snd_kcontrol_new *controls;
 862        unsigned int num_controls;
 863        const struct snd_soc_dapm_widget *dapm_widgets;
 864        unsigned int num_dapm_widgets;
 865        const struct snd_soc_dapm_route *dapm_routes;
 866        unsigned int num_dapm_routes;
 867        struct snd_soc_codec *codec;
 868
 869        int (*probe)(struct snd_soc_component *);
 870        void (*remove)(struct snd_soc_component *);
 871        int (*suspend)(struct snd_soc_component *);
 872        int (*resume)(struct snd_soc_component *);
 873
 874        /* machine specific init */
 875        int (*init)(struct snd_soc_component *component);
 876
 877#ifdef CONFIG_DEBUG_FS
 878        void (*init_debugfs)(struct snd_soc_component *component);
 879        const char *debugfs_prefix;
 880#endif
 881};
 882
 883/* SoC Audio Codec device */
 884struct snd_soc_codec {
 885        struct device *dev;
 886        const struct snd_soc_codec_driver *driver;
 887
 888        struct list_head list;
 889
 890        /* runtime */
 891        unsigned int cache_bypass:1; /* Suppress access to the cache */
 892        unsigned int cache_init:1; /* codec cache has been initialized */
 893
 894        /* codec IO */
 895        void *control_data; /* codec control (i2c/3wire) data */
 896        hw_write_t hw_write;
 897        void *reg_cache;
 898
 899        /* component */
 900        struct snd_soc_component component;
 901
 902#ifdef CONFIG_DEBUG_FS
 903        struct dentry *debugfs_reg;
 904#endif
 905};
 906
 907/* codec driver */
 908struct snd_soc_codec_driver {
 909
 910        /* driver ops */
 911        int (*probe)(struct snd_soc_codec *);
 912        int (*remove)(struct snd_soc_codec *);
 913        int (*suspend)(struct snd_soc_codec *);
 914        int (*resume)(struct snd_soc_codec *);
 915        struct snd_soc_component_driver component_driver;
 916
 917        /* codec wide operations */
 918        int (*set_sysclk)(struct snd_soc_codec *codec,
 919                          int clk_id, int source, unsigned int freq, int dir);
 920        int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
 921                unsigned int freq_in, unsigned int freq_out);
 922        int (*set_jack)(struct snd_soc_codec *codec,
 923                        struct snd_soc_jack *jack,  void *data);
 924
 925        /* codec IO */
 926        struct regmap *(*get_regmap)(struct device *);
 927        unsigned int (*read)(struct snd_soc_codec *, unsigned int);
 928        int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
 929        unsigned int reg_cache_size;
 930        short reg_cache_step;
 931        short reg_word_size;
 932        const void *reg_cache_default;
 933
 934        /* codec bias level */
 935        int (*set_bias_level)(struct snd_soc_codec *,
 936                              enum snd_soc_bias_level level);
 937        bool idle_bias_off;
 938        bool suspend_bias_off;
 939
 940        void (*seq_notifier)(struct snd_soc_dapm_context *,
 941                             enum snd_soc_dapm_type, int);
 942
 943        bool ignore_pmdown_time;  /* Doesn't benefit from pmdown delay */
 944};
 945
 946/* SoC platform interface */
 947struct snd_soc_platform_driver {
 948
 949        int (*probe)(struct snd_soc_platform *);
 950        int (*remove)(struct snd_soc_platform *);
 951        struct snd_soc_component_driver component_driver;
 952
 953        /* pcm creation and destruction */
 954        int (*pcm_new)(struct snd_soc_pcm_runtime *);
 955        void (*pcm_free)(struct snd_pcm *);
 956
 957        /* platform stream pcm ops */
 958        const struct snd_pcm_ops *ops;
 959
 960        /* platform stream compress ops */
 961        const struct snd_compr_ops *compr_ops;
 962};
 963
 964struct snd_soc_dai_link_component {
 965        const char *name;
 966        struct device_node *of_node;
 967        const char *dai_name;
 968};
 969
 970struct snd_soc_platform {
 971        struct device *dev;
 972        const struct snd_soc_platform_driver *driver;
 973
 974        struct list_head list;
 975
 976        struct snd_soc_component component;
 977};
 978
 979struct snd_soc_dai_link {
 980        /* config - must be set by machine driver */
 981        const char *name;                       /* Codec name */
 982        const char *stream_name;                /* Stream name */
 983        /*
 984         * You MAY specify the link's CPU-side device, either by device name,
 985         * or by DT/OF node, but not both. If this information is omitted,
 986         * the CPU-side DAI is matched using .cpu_dai_name only, which hence
 987         * must be globally unique. These fields are currently typically used
 988         * only for codec to codec links, or systems using device tree.
 989         */
 990        const char *cpu_name;
 991        struct device_node *cpu_of_node;
 992        /*
 993         * You MAY specify the DAI name of the CPU DAI. If this information is
 994         * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
 995         * only, which only works well when that device exposes a single DAI.
 996         */
 997        const char *cpu_dai_name;
 998        /*
 999         * You MUST specify the link's codec, either by device name, or by
1000         * DT/OF node, but not both.
1001         */
1002        const char *codec_name;
1003        struct device_node *codec_of_node;
1004        /* You MUST specify the DAI name within the codec */
1005        const char *codec_dai_name;
1006
1007        struct snd_soc_dai_link_component *codecs;
1008        unsigned int num_codecs;
1009
1010        /*
1011         * You MAY specify the link's platform/PCM/DMA driver, either by
1012         * device name, or by DT/OF node, but not both. Some forms of link
1013         * do not need a platform.
1014         */
1015        const char *platform_name;
1016        struct device_node *platform_of_node;
1017        int id; /* optional ID for machine driver link identification */
1018
1019        const struct snd_soc_pcm_stream *params;
1020        unsigned int num_params;
1021
1022        unsigned int dai_fmt;           /* format to set on init */
1023
1024        enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1025
1026        /* codec/machine specific init - e.g. add machine controls */
1027        int (*init)(struct snd_soc_pcm_runtime *rtd);
1028
1029        /* optional hw_params re-writing for BE and FE sync */
1030        int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1031                        struct snd_pcm_hw_params *params);
1032
1033        /* machine stream operations */
1034        const struct snd_soc_ops *ops;
1035        const struct snd_soc_compr_ops *compr_ops;
1036
1037        /* Mark this pcm with non atomic ops */
1038        bool nonatomic;
1039
1040        /* For unidirectional dai links */
1041        unsigned int playback_only:1;
1042        unsigned int capture_only:1;
1043
1044        /* Keep DAI active over suspend */
1045        unsigned int ignore_suspend:1;
1046
1047        /* Symmetry requirements */
1048        unsigned int symmetric_rates:1;
1049        unsigned int symmetric_channels:1;
1050        unsigned int symmetric_samplebits:1;
1051
1052        /* Do not create a PCM for this DAI link (Backend link) */
1053        unsigned int no_pcm:1;
1054
1055        /* This DAI link can route to other DAI links at runtime (Frontend)*/
1056        unsigned int dynamic:1;
1057
1058        /* DPCM capture and Playback support */
1059        unsigned int dpcm_capture:1;
1060        unsigned int dpcm_playback:1;
1061
1062        /* DPCM used FE & BE merged format */
1063        unsigned int dpcm_merged_format:1;
1064
1065        /* pmdown_time is ignored at stop */
1066        unsigned int ignore_pmdown_time:1;
1067
1068        struct list_head list; /* DAI link list of the soc card */
1069        struct snd_soc_dobj dobj; /* For topology */
1070};
1071
1072struct snd_soc_codec_conf {
1073        /*
1074         * specify device either by device name, or by
1075         * DT/OF node, but not both.
1076         */
1077        const char *dev_name;
1078        struct device_node *of_node;
1079
1080        /*
1081         * optional map of kcontrol, widget and path name prefixes that are
1082         * associated per device
1083         */
1084        const char *name_prefix;
1085};
1086
1087struct snd_soc_aux_dev {
1088        const char *name;               /* Codec name */
1089
1090        /*
1091         * specify multi-codec either by device name, or by
1092         * DT/OF node, but not both.
1093         */
1094        const char *codec_name;
1095        struct device_node *codec_of_node;
1096
1097        /* codec/machine specific init - e.g. add machine controls */
1098        int (*init)(struct snd_soc_component *component);
1099};
1100
1101/* SoC card */
1102struct snd_soc_card {
1103        const char *name;
1104        const char *long_name;
1105        const char *driver_name;
1106        char dmi_longname[80];
1107
1108        struct device *dev;
1109        struct snd_card *snd_card;
1110        struct module *owner;
1111
1112        struct mutex mutex;
1113        struct mutex dapm_mutex;
1114
1115        bool instantiated;
1116
1117        int (*probe)(struct snd_soc_card *card);
1118        int (*late_probe)(struct snd_soc_card *card);
1119        int (*remove)(struct snd_soc_card *card);
1120
1121        /* the pre and post PM functions are used to do any PM work before and
1122         * after the codec and DAI's do any PM work. */
1123        int (*suspend_pre)(struct snd_soc_card *card);
1124        int (*suspend_post)(struct snd_soc_card *card);
1125        int (*resume_pre)(struct snd_soc_card *card);
1126        int (*resume_post)(struct snd_soc_card *card);
1127
1128        /* callbacks */
1129        int (*set_bias_level)(struct snd_soc_card *,
1130                              struct snd_soc_dapm_context *dapm,
1131                              enum snd_soc_bias_level level);
1132        int (*set_bias_level_post)(struct snd_soc_card *,
1133                                   struct snd_soc_dapm_context *dapm,
1134                                   enum snd_soc_bias_level level);
1135
1136        int (*add_dai_link)(struct snd_soc_card *,
1137                            struct snd_soc_dai_link *link);
1138        void (*remove_dai_link)(struct snd_soc_card *,
1139                            struct snd_soc_dai_link *link);
1140
1141        long pmdown_time;
1142
1143        /* CPU <--> Codec DAI links  */
1144        struct snd_soc_dai_link *dai_link;  /* predefined links only */
1145        int num_links;  /* predefined links only */
1146        struct list_head dai_link_list; /* all links */
1147        int num_dai_links;
1148
1149        struct list_head rtd_list;
1150        int num_rtd;
1151
1152        /* optional codec specific configuration */
1153        struct snd_soc_codec_conf *codec_conf;
1154        int num_configs;
1155
1156        /*
1157         * optional auxiliary devices such as amplifiers or codecs with DAI
1158         * link unused
1159         */
1160        struct snd_soc_aux_dev *aux_dev;
1161        int num_aux_devs;
1162        struct list_head aux_comp_list;
1163
1164        const struct snd_kcontrol_new *controls;
1165        int num_controls;
1166
1167        /*
1168         * Card-specific routes and widgets.
1169         * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1170         */
1171        const struct snd_soc_dapm_widget *dapm_widgets;
1172        int num_dapm_widgets;
1173        const struct snd_soc_dapm_route *dapm_routes;
1174        int num_dapm_routes;
1175        const struct snd_soc_dapm_widget *of_dapm_widgets;
1176        int num_of_dapm_widgets;
1177        const struct snd_soc_dapm_route *of_dapm_routes;
1178        int num_of_dapm_routes;
1179        bool fully_routed;
1180
1181        struct work_struct deferred_resume_work;
1182
1183        /* lists of probed devices belonging to this card */
1184        struct list_head component_dev_list;
1185
1186        struct list_head widgets;
1187        struct list_head paths;
1188        struct list_head dapm_list;
1189        struct list_head dapm_dirty;
1190
1191        /* attached dynamic objects */
1192        struct list_head dobj_list;
1193
1194        /* Generic DAPM context for the card */
1195        struct snd_soc_dapm_context dapm;
1196        struct snd_soc_dapm_stats dapm_stats;
1197        struct snd_soc_dapm_update *update;
1198
1199#ifdef CONFIG_DEBUG_FS
1200        struct dentry *debugfs_card_root;
1201        struct dentry *debugfs_pop_time;
1202#endif
1203        u32 pop_time;
1204
1205        void *drvdata;
1206};
1207
1208/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1209struct snd_soc_pcm_runtime {
1210        struct device *dev;
1211        struct snd_soc_card *card;
1212        struct snd_soc_dai_link *dai_link;
1213        struct mutex pcm_mutex;
1214        enum snd_soc_pcm_subclass pcm_subclass;
1215        struct snd_pcm_ops ops;
1216
1217        /* Dynamic PCM BE runtime data */
1218        struct snd_soc_dpcm_runtime dpcm[2];
1219        int fe_compr;
1220
1221        long pmdown_time;
1222
1223        /* runtime devices */
1224        struct snd_pcm *pcm;
1225        struct snd_compr *compr;
1226        struct snd_soc_codec *codec;
1227        struct snd_soc_platform *platform;
1228        struct snd_soc_dai *codec_dai;
1229        struct snd_soc_dai *cpu_dai;
1230
1231        struct snd_soc_dai **codec_dais;
1232        unsigned int num_codecs;
1233
1234        struct delayed_work delayed_work;
1235#ifdef CONFIG_DEBUG_FS
1236        struct dentry *debugfs_dpcm_root;
1237        struct dentry *debugfs_dpcm_state;
1238#endif
1239
1240        unsigned int num; /* 0-based and monotonic increasing */
1241        struct list_head list; /* rtd list of the soc card */
1242
1243        /* bit field */
1244        unsigned int dev_registered:1;
1245        unsigned int pop_wait:1;
1246};
1247
1248/* mixer control */
1249struct soc_mixer_control {
1250        int min, max, platform_max;
1251        int reg, rreg;
1252        unsigned int shift, rshift;
1253        unsigned int sign_bit;
1254        unsigned int invert:1;
1255        unsigned int autodisable:1;
1256        struct snd_soc_dobj dobj;
1257};
1258
1259struct soc_bytes {
1260        int base;
1261        int num_regs;
1262        u32 mask;
1263};
1264
1265struct soc_bytes_ext {
1266        int max;
1267        struct snd_soc_dobj dobj;
1268
1269        /* used for TLV byte control */
1270        int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1271                        unsigned int size);
1272        int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1273                        unsigned int size);
1274};
1275
1276/* multi register control */
1277struct soc_mreg_control {
1278        long min, max;
1279        unsigned int regbase, regcount, nbits, invert;
1280};
1281
1282/* enumerated kcontrol */
1283struct soc_enum {
1284        int reg;
1285        unsigned char shift_l;
1286        unsigned char shift_r;
1287        unsigned int items;
1288        unsigned int mask;
1289        const char * const *texts;
1290        const unsigned int *values;
1291        unsigned int autodisable:1;
1292        struct snd_soc_dobj dobj;
1293};
1294
1295/**
1296 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1297 * @component: The component to cast to a CODEC
1298 *
1299 * This function must only be used on components that are known to be CODECs.
1300 * Otherwise the behavior is undefined.
1301 */
1302static inline struct snd_soc_codec *snd_soc_component_to_codec(
1303        struct snd_soc_component *component)
1304{
1305        return container_of(component, struct snd_soc_codec, component);
1306}
1307
1308/**
1309 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1310 * @component: The component to cast to a platform
1311 *
1312 * This function must only be used on components that are known to be platforms.
1313 * Otherwise the behavior is undefined.
1314 */
1315static inline struct snd_soc_platform *snd_soc_component_to_platform(
1316        struct snd_soc_component *component)
1317{
1318        return container_of(component, struct snd_soc_platform, component);
1319}
1320
1321/**
1322 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1323 *  embedded in
1324 * @dapm: The DAPM context to cast to the component
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
1328 * undefined.
1329 */
1330static inline struct snd_soc_component *snd_soc_dapm_to_component(
1331        struct snd_soc_dapm_context *dapm)
1332{
1333        return container_of(dapm, struct snd_soc_component, dapm);
1334}
1335
1336/**
1337 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1338 * @dapm: The DAPM context to cast to the CODEC
1339 *
1340 * This function must only be used on DAPM contexts that are known to be part of
1341 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1342 */
1343static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1344        struct snd_soc_dapm_context *dapm)
1345{
1346        return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1347}
1348
1349/**
1350 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1351 *  embedded in
1352 * @dapm: The DAPM context to cast to the platform.
1353 *
1354 * This function must only be used on DAPM contexts that are known to be part of
1355 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1356 */
1357static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1358        struct snd_soc_dapm_context *dapm)
1359{
1360        return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1361}
1362
1363/**
1364 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1365 *  component
1366 * @component: The component for which to get the DAPM context
1367 */
1368static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1369        struct snd_soc_component *component)
1370{
1371        return &component->dapm;
1372}
1373
1374/**
1375 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1376 * @codec: The CODEC for which to get the DAPM context
1377 *
1378 * Note: Use this function instead of directly accessing the CODEC's dapm field
1379 */
1380static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1381        struct snd_soc_codec *codec)
1382{
1383        return snd_soc_component_get_dapm(&codec->component);
1384}
1385
1386/**
1387 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1388 * @codec: The CODEC for which to initialize the DAPM bias level
1389 * @level: The DAPM level to initialize to
1390 *
1391 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1392 */
1393static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1394        enum snd_soc_bias_level level)
1395{
1396        snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1397}
1398
1399/**
1400 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1401 * @codec: The CODEC for which to get the DAPM bias level
1402 *
1403 * Returns: The current DAPM bias level of the CODEC.
1404 */
1405static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1406        struct snd_soc_codec *codec)
1407{
1408        return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1409}
1410
1411/**
1412 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1413 * @codec: The CODEC for which to set the level
1414 * @level: The level to set to
1415 *
1416 * Forces the CODEC bias level to a specific state. See
1417 * snd_soc_dapm_force_bias_level().
1418 */
1419static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1420        enum snd_soc_bias_level level)
1421{
1422        return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1423                level);
1424}
1425
1426/**
1427 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1428 * @kcontrol: The kcontrol
1429 *
1430 * This function must only be used on DAPM contexts that are known to be part of
1431 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1432 */
1433static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1434        struct snd_kcontrol *kcontrol)
1435{
1436        return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1437}
1438
1439/* codec IO */
1440unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1441int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1442        unsigned int val);
1443
1444/**
1445 * snd_soc_cache_sync() - Sync the register cache with the hardware
1446 * @codec: CODEC to sync
1447 *
1448 * Note: This function will call regcache_sync()
1449 */
1450static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1451{
1452        return regcache_sync(codec->component.regmap);
1453}
1454
1455/* component IO */
1456int snd_soc_component_read(struct snd_soc_component *component,
1457        unsigned int reg, unsigned int *val);
1458int snd_soc_component_write(struct snd_soc_component *component,
1459        unsigned int reg, unsigned int val);
1460int snd_soc_component_update_bits(struct snd_soc_component *component,
1461        unsigned int reg, unsigned int mask, unsigned int val);
1462int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1463        unsigned int reg, unsigned int mask, unsigned int val);
1464void snd_soc_component_async_complete(struct snd_soc_component *component);
1465int snd_soc_component_test_bits(struct snd_soc_component *component,
1466        unsigned int reg, unsigned int mask, unsigned int value);
1467
1468#ifdef CONFIG_REGMAP
1469
1470void snd_soc_component_init_regmap(struct snd_soc_component *component,
1471        struct regmap *regmap);
1472void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1473
1474/**
1475 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1476 * @codec: The CODEC for which to initialize the regmap instance
1477 * @regmap: The regmap instance that should be used by the CODEC
1478 *
1479 * This function allows deferred assignment of the regmap instance that is
1480 * associated with the CODEC. Only use this if the regmap instance is not yet
1481 * ready when the CODEC is registered. The function must also be called before
1482 * the first IO attempt of the CODEC.
1483 */
1484static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1485        struct regmap *regmap)
1486{
1487        snd_soc_component_init_regmap(&codec->component, regmap);
1488}
1489
1490/**
1491 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1492 * @codec: The CODEC for which to de-initialize the regmap instance
1493 *
1494 * Calls regmap_exit() on the regmap instance associated to the CODEC and
1495 * removes the regmap instance from the CODEC.
1496 *
1497 * This function should only be used if snd_soc_codec_init_regmap() was used to
1498 * initialize the regmap instance.
1499 */
1500static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1501{
1502        snd_soc_component_exit_regmap(&codec->component);
1503}
1504
1505#endif
1506
1507/* device driver data */
1508
1509static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1510                void *data)
1511{
1512        card->drvdata = data;
1513}
1514
1515static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1516{
1517        return card->drvdata;
1518}
1519
1520static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1521                void *data)
1522{
1523        dev_set_drvdata(c->dev, data);
1524}
1525
1526static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1527{
1528        return dev_get_drvdata(c->dev);
1529}
1530
1531static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1532                void *data)
1533{
1534        snd_soc_component_set_drvdata(&codec->component, data);
1535}
1536
1537static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1538{
1539        return snd_soc_component_get_drvdata(&codec->component);
1540}
1541
1542static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1543                void *data)
1544{
1545        snd_soc_component_set_drvdata(&platform->component, data);
1546}
1547
1548static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1549{
1550        return snd_soc_component_get_drvdata(&platform->component);
1551}
1552
1553static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1554{
1555        INIT_LIST_HEAD(&card->widgets);
1556        INIT_LIST_HEAD(&card->paths);
1557        INIT_LIST_HEAD(&card->dapm_list);
1558        INIT_LIST_HEAD(&card->aux_comp_list);
1559        INIT_LIST_HEAD(&card->component_dev_list);
1560}
1561
1562static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1563{
1564        if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1565                return 0;
1566        /*
1567         * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1568         * mc->reg != mc->rreg means that the control is
1569         * stereo (bits in one register or in two registers)
1570         */
1571        return 1;
1572}
1573
1574static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1575        unsigned int val)
1576{
1577        unsigned int i;
1578
1579        if (!e->values)
1580                return val;
1581
1582        for (i = 0; i < e->items; i++)
1583                if (val == e->values[i])
1584                        return i;
1585
1586        return 0;
1587}
1588
1589static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1590        unsigned int item)
1591{
1592        if (!e->values)
1593                return item;
1594
1595        return e->values[item];
1596}
1597
1598static inline bool snd_soc_component_is_active(
1599        struct snd_soc_component *component)
1600{
1601        return component->active != 0;
1602}
1603
1604static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1605{
1606        return snd_soc_component_is_active(&codec->component);
1607}
1608
1609/**
1610 * snd_soc_kcontrol_component() - Returns the component that registered the
1611 *  control
1612 * @kcontrol: The control for which to get the component
1613 *
1614 * Note: This function will work correctly if the control has been registered
1615 * for a component. Either with snd_soc_add_codec_controls() or
1616 * snd_soc_add_platform_controls() or via  table based setup for either a
1617 * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1618 */
1619static inline struct snd_soc_component *snd_soc_kcontrol_component(
1620        struct snd_kcontrol *kcontrol)
1621{
1622        return snd_kcontrol_chip(kcontrol);
1623}
1624
1625/**
1626 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1627 * @kcontrol: The control for which to get the CODEC
1628 *
1629 * Note: This function will only work correctly if the control has been
1630 * registered with snd_soc_add_codec_controls() or via table based setup of
1631 * snd_soc_codec_driver. Otherwise the behavior is undefined.
1632 */
1633static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1634        struct snd_kcontrol *kcontrol)
1635{
1636        return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1637}
1638
1639/**
1640 * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1641 * @kcontrol: The control for which to get the platform
1642 *
1643 * Note: This function will only work correctly if the control has been
1644 * registered with snd_soc_add_platform_controls() or via table based setup of
1645 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1646 */
1647static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1648        struct snd_kcontrol *kcontrol)
1649{
1650        return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1651}
1652
1653int snd_soc_util_init(void);
1654void snd_soc_util_exit(void);
1655
1656int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1657                               const char *propname);
1658int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1659                                          const char *propname);
1660int snd_soc_of_parse_tdm_slot(struct device_node *np,
1661                              unsigned int *tx_mask,
1662                              unsigned int *rx_mask,
1663                              unsigned int *slots,
1664                              unsigned int *slot_width);
1665void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1666                                   struct snd_soc_codec_conf *codec_conf,
1667                                   struct device_node *of_node,
1668                                   const char *propname);
1669int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1670                                   const char *propname);
1671unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1672                                     const char *prefix,
1673                                     struct device_node **bitclkmaster,
1674                                     struct device_node **framemaster);
1675int snd_soc_get_dai_id(struct device_node *ep);
1676int snd_soc_get_dai_name(struct of_phandle_args *args,
1677                         const char **dai_name);
1678int snd_soc_of_get_dai_name(struct device_node *of_node,
1679                            const char **dai_name);
1680int snd_soc_of_get_dai_link_codecs(struct device *dev,
1681                                   struct device_node *of_node,
1682                                   struct snd_soc_dai_link *dai_link);
1683
1684int snd_soc_add_dai_link(struct snd_soc_card *card,
1685                                struct snd_soc_dai_link *dai_link);
1686void snd_soc_remove_dai_link(struct snd_soc_card *card,
1687                             struct snd_soc_dai_link *dai_link);
1688struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1689                                               int id, const char *name,
1690                                               const char *stream_name);
1691
1692int snd_soc_register_dai(struct snd_soc_component *component,
1693        struct snd_soc_dai_driver *dai_drv);
1694
1695struct snd_soc_dai *snd_soc_find_dai(
1696        const struct snd_soc_dai_link_component *dlc);
1697
1698#include <sound/soc-dai.h>
1699
1700#ifdef CONFIG_DEBUG_FS
1701extern struct dentry *snd_soc_debugfs_root;
1702#endif
1703
1704extern const struct dev_pm_ops snd_soc_pm_ops;
1705
1706/* Helper functions */
1707static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1708{
1709        mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1710}
1711
1712static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1713{
1714        mutex_unlock(&dapm->card->dapm_mutex);
1715}
1716
1717int snd_soc_component_enable_pin(struct snd_soc_component *component,
1718                                 const char *pin);
1719int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1720                                          const char *pin);
1721int snd_soc_component_disable_pin(struct snd_soc_component *component,
1722                                  const char *pin);
1723int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1724                                           const char *pin);
1725int snd_soc_component_nc_pin(struct snd_soc_component *component,
1726                             const char *pin);
1727int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1728                                      const char *pin);
1729int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1730                                     const char *pin);
1731int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1732                                       const char *pin);
1733int snd_soc_component_force_enable_pin_unlocked(
1734                                        struct snd_soc_component *component,
1735                                        const char *pin);
1736
1737#endif
1738