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_add_component(struct device *dev,
 472                struct snd_soc_component *component,
 473                const struct snd_soc_component_driver *component_driver,
 474                struct snd_soc_dai_driver *dai_drv,
 475                int num_dai);
 476int snd_soc_register_component(struct device *dev,
 477                         const struct snd_soc_component_driver *component_driver,
 478                         struct snd_soc_dai_driver *dai_drv, int num_dai);
 479int devm_snd_soc_register_component(struct device *dev,
 480                         const struct snd_soc_component_driver *component_driver,
 481                         struct snd_soc_dai_driver *dai_drv, int num_dai);
 482void snd_soc_unregister_component(struct device *dev);
 483struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 484                                                   const char *driver_name);
 485int snd_soc_cache_init(struct snd_soc_codec *codec);
 486int snd_soc_cache_exit(struct snd_soc_codec *codec);
 487
 488int snd_soc_platform_read(struct snd_soc_platform *platform,
 489                                        unsigned int reg);
 490int snd_soc_platform_write(struct snd_soc_platform *platform,
 491                                        unsigned int reg, unsigned int val);
 492int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 493#ifdef CONFIG_SND_SOC_COMPRESS
 494int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
 495#endif
 496
 497void snd_soc_disconnect_sync(struct device *dev);
 498
 499struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
 500                const char *dai_link, int stream);
 501struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 502                const char *dai_link);
 503
 504bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 505void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
 506void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
 507
 508int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 509        unsigned int dai_fmt);
 510
 511#ifdef CONFIG_DMI
 512int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
 513#else
 514static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
 515                                       const char *flavour)
 516{
 517        return 0;
 518}
 519#endif
 520
 521/* Utility functions to get clock rates from various things */
 522int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
 523int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
 524int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 525int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
 526
 527/* set runtime hw params */
 528int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 529        const struct snd_pcm_hardware *hw);
 530
 531int soc_dai_hw_params(struct snd_pcm_substream *substream,
 532                      struct snd_pcm_hw_params *params,
 533                      struct snd_soc_dai *dai);
 534
 535/* Jack reporting */
 536int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
 537        struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
 538        unsigned int num_pins);
 539
 540void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 541int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 542                          struct snd_soc_jack_pin *pins);
 543void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
 544                                    struct notifier_block *nb);
 545void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
 546                                      struct notifier_block *nb);
 547int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
 548                          struct snd_soc_jack_zone *zones);
 549int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
 550#ifdef CONFIG_GPIOLIB
 551int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 552                        struct snd_soc_jack_gpio *gpios);
 553int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 554                            struct snd_soc_jack *jack,
 555                            int count, struct snd_soc_jack_gpio *gpios);
 556void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 557                        struct snd_soc_jack_gpio *gpios);
 558#else
 559static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 560                                         struct snd_soc_jack_gpio *gpios)
 561{
 562        return 0;
 563}
 564
 565static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 566                                          struct snd_soc_jack *jack,
 567                                          int count,
 568                                          struct snd_soc_jack_gpio *gpios)
 569{
 570        return 0;
 571}
 572
 573static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 574                                           struct snd_soc_jack_gpio *gpios)
 575{
 576}
 577#endif
 578
 579/* codec register bit access */
 580int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
 581                                unsigned int mask, unsigned int value);
 582int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
 583                               unsigned int reg, unsigned int mask,
 584                               unsigned int value);
 585int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
 586                                unsigned int mask, unsigned int value);
 587
 588#ifdef CONFIG_SND_SOC_AC97_BUS
 589struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
 590struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
 591        unsigned int id, unsigned int id_mask);
 592void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
 593
 594int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 595int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 596                struct platform_device *pdev);
 597
 598extern struct snd_ac97_bus_ops *soc_ac97_ops;
 599#else
 600static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 601        struct platform_device *pdev)
 602{
 603        return 0;
 604}
 605
 606static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
 607{
 608        return 0;
 609}
 610#endif
 611
 612/*
 613 *Controls
 614 */
 615struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 616                                  void *data, const char *long_name,
 617                                  const char *prefix);
 618struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 619                                               const char *name);
 620int snd_soc_add_component_controls(struct snd_soc_component *component,
 621        const struct snd_kcontrol_new *controls, unsigned int num_controls);
 622int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
 623        const struct snd_kcontrol_new *controls, unsigned int num_controls);
 624int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
 625        const struct snd_kcontrol_new *controls, unsigned int num_controls);
 626int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 627        const struct snd_kcontrol_new *controls, int num_controls);
 628int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
 629        const struct snd_kcontrol_new *controls, int num_controls);
 630int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 631        struct snd_ctl_elem_info *uinfo);
 632int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 633        struct snd_ctl_elem_value *ucontrol);
 634int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 635        struct snd_ctl_elem_value *ucontrol);
 636int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 637        struct snd_ctl_elem_info *uinfo);
 638int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
 639                          struct snd_ctl_elem_info *uinfo);
 640#define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 641int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 642        struct snd_ctl_elem_value *ucontrol);
 643int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 644        struct snd_ctl_elem_value *ucontrol);
 645#define snd_soc_get_volsw_2r snd_soc_get_volsw
 646#define snd_soc_put_volsw_2r snd_soc_put_volsw
 647int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
 648        struct snd_ctl_elem_value *ucontrol);
 649int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 650        struct snd_ctl_elem_value *ucontrol);
 651int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
 652        struct snd_ctl_elem_info *uinfo);
 653int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 654        struct snd_ctl_elem_value *ucontrol);
 655int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 656        struct snd_ctl_elem_value *ucontrol);
 657int snd_soc_limit_volume(struct snd_soc_card *card,
 658        const char *name, int max);
 659int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
 660                       struct snd_ctl_elem_info *uinfo);
 661int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
 662                      struct snd_ctl_elem_value *ucontrol);
 663int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
 664                      struct snd_ctl_elem_value *ucontrol);
 665int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 666        struct snd_ctl_elem_info *ucontrol);
 667int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 668        unsigned int size, unsigned int __user *tlv);
 669int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
 670        struct snd_ctl_elem_info *uinfo);
 671int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 672        struct snd_ctl_elem_value *ucontrol);
 673int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 674        struct snd_ctl_elem_value *ucontrol);
 675int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
 676        struct snd_ctl_elem_value *ucontrol);
 677int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
 678        struct snd_ctl_elem_value *ucontrol);
 679
 680/**
 681 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 682 *
 683 * @pin:    name of the pin to update
 684 * @mask:   bits to check for in reported jack status
 685 * @invert: if non-zero then pin is enabled when status is not reported
 686 * @list:   internal list entry
 687 */
 688struct snd_soc_jack_pin {
 689        struct list_head list;
 690        const char *pin;
 691        int mask;
 692        bool invert;
 693};
 694
 695/**
 696 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
 697 *
 698 * @min_mv: start voltage in mv
 699 * @max_mv: end voltage in mv
 700 * @jack_type: type of jack that is expected for this voltage
 701 * @debounce_time: debounce_time for jack, codec driver should wait for this
 702 *              duration before reading the adc for voltages
 703 * @list:   internal list entry
 704 */
 705struct snd_soc_jack_zone {
 706        unsigned int min_mv;
 707        unsigned int max_mv;
 708        unsigned int jack_type;
 709        unsigned int debounce_time;
 710        struct list_head list;
 711};
 712
 713/**
 714 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 715 *
 716 * @gpio:         legacy gpio number
 717 * @idx:          gpio descriptor index within the function of the GPIO
 718 *                consumer device
 719 * @gpiod_dev:    GPIO consumer device
 720 * @name:         gpio name. Also as connection ID for the GPIO consumer
 721 *                device function name lookup
 722 * @report:       value to report when jack detected
 723 * @invert:       report presence in low state
 724 * @debounce_time: debounce time in ms
 725 * @wake:         enable as wake source
 726 * @jack_status_check: callback function which overrides the detection
 727 *                     to provide more complex checks (eg, reading an
 728 *                     ADC).
 729 */
 730struct snd_soc_jack_gpio {
 731        unsigned int gpio;
 732        unsigned int idx;
 733        struct device *gpiod_dev;
 734        const char *name;
 735        int report;
 736        int invert;
 737        int debounce_time;
 738        bool wake;
 739
 740        /* private: */
 741        struct snd_soc_jack *jack;
 742        struct delayed_work work;
 743        struct notifier_block pm_notifier;
 744        struct gpio_desc *desc;
 745
 746        void *data;
 747        /* public: */
 748        int (*jack_status_check)(void *data);
 749};
 750
 751struct snd_soc_jack {
 752        struct mutex mutex;
 753        struct snd_jack *jack;
 754        struct snd_soc_card *card;
 755        struct list_head pins;
 756        int status;
 757        struct blocking_notifier_head notifier;
 758        struct list_head jack_zones;
 759};
 760
 761/* SoC PCM stream information */
 762struct snd_soc_pcm_stream {
 763        const char *stream_name;
 764        u64 formats;                    /* SNDRV_PCM_FMTBIT_* */
 765        unsigned int rates;             /* SNDRV_PCM_RATE_* */
 766        unsigned int rate_min;          /* min rate */
 767        unsigned int rate_max;          /* max rate */
 768        unsigned int channels_min;      /* min channels */
 769        unsigned int channels_max;      /* max channels */
 770        unsigned int sig_bits;          /* number of bits of content */
 771};
 772
 773/* SoC audio ops */
 774struct snd_soc_ops {
 775        int (*startup)(struct snd_pcm_substream *);
 776        void (*shutdown)(struct snd_pcm_substream *);
 777        int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 778        int (*hw_free)(struct snd_pcm_substream *);
 779        int (*prepare)(struct snd_pcm_substream *);
 780        int (*trigger)(struct snd_pcm_substream *, int);
 781};
 782
 783struct snd_soc_compr_ops {
 784        int (*startup)(struct snd_compr_stream *);
 785        void (*shutdown)(struct snd_compr_stream *);
 786        int (*set_params)(struct snd_compr_stream *);
 787        int (*trigger)(struct snd_compr_stream *);
 788};
 789
 790/* component interface */
 791struct snd_soc_component_driver {
 792        const char *name;
 793
 794        /* Default control and setup, added after probe() is run */
 795        const struct snd_kcontrol_new *controls;
 796        unsigned int num_controls;
 797        const struct snd_soc_dapm_widget *dapm_widgets;
 798        unsigned int num_dapm_widgets;
 799        const struct snd_soc_dapm_route *dapm_routes;
 800        unsigned int num_dapm_routes;
 801
 802        int (*probe)(struct snd_soc_component *);
 803        void (*remove)(struct snd_soc_component *);
 804        int (*suspend)(struct snd_soc_component *);
 805        int (*resume)(struct snd_soc_component *);
 806
 807        unsigned int (*read)(struct snd_soc_component *, unsigned int);
 808        int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
 809
 810        /* pcm creation and destruction */
 811        int (*pcm_new)(struct snd_soc_pcm_runtime *);
 812        void (*pcm_free)(struct snd_pcm *);
 813
 814        /* component wide operations */
 815        int (*set_sysclk)(struct snd_soc_component *component,
 816                          int clk_id, int source, unsigned int freq, int dir);
 817        int (*set_pll)(struct snd_soc_component *component, int pll_id,
 818                       int source, unsigned int freq_in, unsigned int freq_out);
 819        int (*set_jack)(struct snd_soc_component *component,
 820                        struct snd_soc_jack *jack,  void *data);
 821
 822        /* DT */
 823        int (*of_xlate_dai_name)(struct snd_soc_component *component,
 824                                 struct of_phandle_args *args,
 825                                 const char **dai_name);
 826        int (*of_xlate_dai_id)(struct snd_soc_component *comment,
 827                               struct device_node *endpoint);
 828        void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
 829                int subseq);
 830        int (*stream_event)(struct snd_soc_component *, int event);
 831        int (*set_bias_level)(struct snd_soc_component *component,
 832                              enum snd_soc_bias_level level);
 833
 834        const struct snd_pcm_ops *ops;
 835        const struct snd_compr_ops *compr_ops;
 836
 837        /* probe ordering - for components with runtime dependencies */
 838        int probe_order;
 839        int remove_order;
 840
 841        /* bits */
 842        unsigned int idle_bias_on:1;
 843        unsigned int suspend_bias_off:1;
 844        unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
 845        unsigned int endianness:1;
 846        unsigned int non_legacy_dai_naming:1;
 847};
 848
 849struct snd_soc_component {
 850        const char *name;
 851        int id;
 852        const char *name_prefix;
 853        struct device *dev;
 854        struct snd_soc_card *card;
 855
 856        unsigned int active;
 857
 858        unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
 859        unsigned int registered_as_component:1;
 860        unsigned int suspended:1; /* is in suspend PM state */
 861
 862        struct list_head list;
 863        struct list_head card_aux_list; /* for auxiliary bound components */
 864        struct list_head card_list;
 865
 866        const struct snd_soc_component_driver *driver;
 867
 868        struct list_head dai_list;
 869        int num_dai;
 870
 871        int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
 872        int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
 873
 874        struct regmap *regmap;
 875        int val_bytes;
 876
 877        struct mutex io_mutex;
 878
 879        /* attached dynamic objects */
 880        struct list_head dobj_list;
 881
 882#ifdef CONFIG_DEBUG_FS
 883        struct dentry *debugfs_root;
 884#endif
 885
 886        /*
 887        * DO NOT use any of the fields below in drivers, they are temporary and
 888        * are going to be removed again soon. If you use them in driver code the
 889        * driver will be marked as BROKEN when these fields are removed.
 890        */
 891
 892        /* Don't use these, use snd_soc_component_get_dapm() */
 893        struct snd_soc_dapm_context dapm;
 894
 895        struct snd_soc_codec *codec;
 896
 897        int (*probe)(struct snd_soc_component *);
 898        void (*remove)(struct snd_soc_component *);
 899        int (*suspend)(struct snd_soc_component *);
 900        int (*resume)(struct snd_soc_component *);
 901        int (*pcm_new)(struct snd_soc_component *, struct snd_soc_pcm_runtime *);
 902        void (*pcm_free)(struct snd_soc_component *, struct snd_pcm *);
 903
 904        int (*set_sysclk)(struct snd_soc_component *component,
 905                          int clk_id, int source, unsigned int freq, int dir);
 906        int (*set_pll)(struct snd_soc_component *component, int pll_id,
 907                       int source, unsigned int freq_in, unsigned int freq_out);
 908        int (*set_jack)(struct snd_soc_component *component,
 909                        struct snd_soc_jack *jack,  void *data);
 910        int (*set_bias_level)(struct snd_soc_component *component,
 911                              enum snd_soc_bias_level level);
 912
 913        /* machine specific init */
 914        int (*init)(struct snd_soc_component *component);
 915
 916#ifdef CONFIG_DEBUG_FS
 917        void (*init_debugfs)(struct snd_soc_component *component);
 918        const char *debugfs_prefix;
 919#endif
 920};
 921
 922struct snd_soc_rtdcom_list {
 923        struct snd_soc_component *component;
 924        struct list_head list; /* rtd::component_list */
 925};
 926struct snd_soc_component*
 927snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
 928                       const char *driver_name);
 929#define for_each_rtdcom(rtd, rtdcom) \
 930        list_for_each_entry(rtdcom, &(rtd)->component_list, list)
 931#define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
 932        list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
 933
 934/* SoC Audio Codec device */
 935struct snd_soc_codec {
 936        struct device *dev;
 937        const struct snd_soc_codec_driver *driver;
 938
 939        struct list_head list;
 940
 941        /* runtime */
 942        unsigned int cache_init:1; /* codec cache has been initialized */
 943
 944        /* codec IO */
 945        void *control_data; /* codec control (i2c/3wire) data */
 946        hw_write_t hw_write;
 947        void *reg_cache;
 948
 949        /* component */
 950        struct snd_soc_component component;
 951};
 952
 953/* codec driver */
 954struct snd_soc_codec_driver {
 955
 956        /* driver ops */
 957        int (*probe)(struct snd_soc_codec *);
 958        int (*remove)(struct snd_soc_codec *);
 959        int (*suspend)(struct snd_soc_codec *);
 960        int (*resume)(struct snd_soc_codec *);
 961        struct snd_soc_component_driver component_driver;
 962
 963        /* codec wide operations */
 964        int (*set_sysclk)(struct snd_soc_codec *codec,
 965                          int clk_id, int source, unsigned int freq, int dir);
 966        int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
 967                unsigned int freq_in, unsigned int freq_out);
 968        int (*set_jack)(struct snd_soc_codec *codec,
 969                        struct snd_soc_jack *jack,  void *data);
 970
 971        /* codec IO */
 972        struct regmap *(*get_regmap)(struct device *);
 973        unsigned int (*read)(struct snd_soc_codec *, unsigned int);
 974        int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
 975        unsigned int reg_cache_size;
 976        short reg_cache_step;
 977        short reg_word_size;
 978        const void *reg_cache_default;
 979
 980        /* codec bias level */
 981        int (*set_bias_level)(struct snd_soc_codec *,
 982                              enum snd_soc_bias_level level);
 983        bool idle_bias_off;
 984        bool suspend_bias_off;
 985
 986        void (*seq_notifier)(struct snd_soc_dapm_context *,
 987                             enum snd_soc_dapm_type, int);
 988
 989        bool ignore_pmdown_time;  /* Doesn't benefit from pmdown delay */
 990};
 991
 992/* SoC platform interface */
 993struct snd_soc_platform_driver {
 994
 995        int (*probe)(struct snd_soc_platform *);
 996        int (*remove)(struct snd_soc_platform *);
 997        struct snd_soc_component_driver component_driver;
 998
 999        /* pcm creation and destruction */
1000        int (*pcm_new)(struct snd_soc_pcm_runtime *);
1001        void (*pcm_free)(struct snd_pcm *);
1002
1003        /* platform stream pcm ops */
1004        const struct snd_pcm_ops *ops;
1005
1006        /* platform stream compress ops */
1007        const struct snd_compr_ops *compr_ops;
1008};
1009
1010struct snd_soc_dai_link_component {
1011        const char *name;
1012        struct device_node *of_node;
1013        const char *dai_name;
1014};
1015
1016struct snd_soc_platform {
1017        struct device *dev;
1018        const struct snd_soc_platform_driver *driver;
1019
1020        struct list_head list;
1021
1022        struct snd_soc_component component;
1023};
1024
1025struct snd_soc_dai_link {
1026        /* config - must be set by machine driver */
1027        const char *name;                       /* Codec name */
1028        const char *stream_name;                /* Stream name */
1029        /*
1030         * You MAY specify the link's CPU-side device, either by device name,
1031         * or by DT/OF node, but not both. If this information is omitted,
1032         * the CPU-side DAI is matched using .cpu_dai_name only, which hence
1033         * must be globally unique. These fields are currently typically used
1034         * only for codec to codec links, or systems using device tree.
1035         */
1036        const char *cpu_name;
1037        struct device_node *cpu_of_node;
1038        /*
1039         * You MAY specify the DAI name of the CPU DAI. If this information is
1040         * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
1041         * only, which only works well when that device exposes a single DAI.
1042         */
1043        const char *cpu_dai_name;
1044        /*
1045         * You MUST specify the link's codec, either by device name, or by
1046         * DT/OF node, but not both.
1047         */
1048        const char *codec_name;
1049        struct device_node *codec_of_node;
1050        /* You MUST specify the DAI name within the codec */
1051        const char *codec_dai_name;
1052
1053        struct snd_soc_dai_link_component *codecs;
1054        unsigned int num_codecs;
1055
1056        /*
1057         * You MAY specify the link's platform/PCM/DMA driver, either by
1058         * device name, or by DT/OF node, but not both. Some forms of link
1059         * do not need a platform.
1060         */
1061        const char *platform_name;
1062        struct device_node *platform_of_node;
1063        int id; /* optional ID for machine driver link identification */
1064
1065        const struct snd_soc_pcm_stream *params;
1066        unsigned int num_params;
1067
1068        unsigned int dai_fmt;           /* format to set on init */
1069
1070        enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1071
1072        /* codec/machine specific init - e.g. add machine controls */
1073        int (*init)(struct snd_soc_pcm_runtime *rtd);
1074
1075        /* optional hw_params re-writing for BE and FE sync */
1076        int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1077                        struct snd_pcm_hw_params *params);
1078
1079        /* machine stream operations */
1080        const struct snd_soc_ops *ops;
1081        const struct snd_soc_compr_ops *compr_ops;
1082
1083        /* Mark this pcm with non atomic ops */
1084        bool nonatomic;
1085
1086        /* For unidirectional dai links */
1087        unsigned int playback_only:1;
1088        unsigned int capture_only:1;
1089
1090        /* Keep DAI active over suspend */
1091        unsigned int ignore_suspend:1;
1092
1093        /* Symmetry requirements */
1094        unsigned int symmetric_rates:1;
1095        unsigned int symmetric_channels:1;
1096        unsigned int symmetric_samplebits:1;
1097
1098        /* Do not create a PCM for this DAI link (Backend link) */
1099        unsigned int no_pcm:1;
1100
1101        /* This DAI link can route to other DAI links at runtime (Frontend)*/
1102        unsigned int dynamic:1;
1103
1104        /* DPCM capture and Playback support */
1105        unsigned int dpcm_capture:1;
1106        unsigned int dpcm_playback:1;
1107
1108        /* DPCM used FE & BE merged format */
1109        unsigned int dpcm_merged_format:1;
1110
1111        /* pmdown_time is ignored at stop */
1112        unsigned int ignore_pmdown_time:1;
1113
1114        struct list_head list; /* DAI link list of the soc card */
1115        struct snd_soc_dobj dobj; /* For topology */
1116};
1117
1118struct snd_soc_codec_conf {
1119        /*
1120         * specify device either by device name, or by
1121         * DT/OF node, but not both.
1122         */
1123        const char *dev_name;
1124        struct device_node *of_node;
1125
1126        /*
1127         * optional map of kcontrol, widget and path name prefixes that are
1128         * associated per device
1129         */
1130        const char *name_prefix;
1131};
1132
1133struct snd_soc_aux_dev {
1134        const char *name;               /* Codec name */
1135
1136        /*
1137         * specify multi-codec either by device name, or by
1138         * DT/OF node, but not both.
1139         */
1140        const char *codec_name;
1141        struct device_node *codec_of_node;
1142
1143        /* codec/machine specific init - e.g. add machine controls */
1144        int (*init)(struct snd_soc_component *component);
1145};
1146
1147/* SoC card */
1148struct snd_soc_card {
1149        const char *name;
1150        const char *long_name;
1151        const char *driver_name;
1152        char dmi_longname[80];
1153
1154        struct device *dev;
1155        struct snd_card *snd_card;
1156        struct module *owner;
1157
1158        struct mutex mutex;
1159        struct mutex dapm_mutex;
1160
1161        bool instantiated;
1162
1163        int (*probe)(struct snd_soc_card *card);
1164        int (*late_probe)(struct snd_soc_card *card);
1165        int (*remove)(struct snd_soc_card *card);
1166
1167        /* the pre and post PM functions are used to do any PM work before and
1168         * after the codec and DAI's do any PM work. */
1169        int (*suspend_pre)(struct snd_soc_card *card);
1170        int (*suspend_post)(struct snd_soc_card *card);
1171        int (*resume_pre)(struct snd_soc_card *card);
1172        int (*resume_post)(struct snd_soc_card *card);
1173
1174        /* callbacks */
1175        int (*set_bias_level)(struct snd_soc_card *,
1176                              struct snd_soc_dapm_context *dapm,
1177                              enum snd_soc_bias_level level);
1178        int (*set_bias_level_post)(struct snd_soc_card *,
1179                                   struct snd_soc_dapm_context *dapm,
1180                                   enum snd_soc_bias_level level);
1181
1182        int (*add_dai_link)(struct snd_soc_card *,
1183                            struct snd_soc_dai_link *link);
1184        void (*remove_dai_link)(struct snd_soc_card *,
1185                            struct snd_soc_dai_link *link);
1186
1187        long pmdown_time;
1188
1189        /* CPU <--> Codec DAI links  */
1190        struct snd_soc_dai_link *dai_link;  /* predefined links only */
1191        int num_links;  /* predefined links only */
1192        struct list_head dai_link_list; /* all links */
1193        int num_dai_links;
1194
1195        struct list_head rtd_list;
1196        int num_rtd;
1197
1198        /* optional codec specific configuration */
1199        struct snd_soc_codec_conf *codec_conf;
1200        int num_configs;
1201
1202        /*
1203         * optional auxiliary devices such as amplifiers or codecs with DAI
1204         * link unused
1205         */
1206        struct snd_soc_aux_dev *aux_dev;
1207        int num_aux_devs;
1208        struct list_head aux_comp_list;
1209
1210        const struct snd_kcontrol_new *controls;
1211        int num_controls;
1212
1213        /*
1214         * Card-specific routes and widgets.
1215         * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1216         */
1217        const struct snd_soc_dapm_widget *dapm_widgets;
1218        int num_dapm_widgets;
1219        const struct snd_soc_dapm_route *dapm_routes;
1220        int num_dapm_routes;
1221        const struct snd_soc_dapm_widget *of_dapm_widgets;
1222        int num_of_dapm_widgets;
1223        const struct snd_soc_dapm_route *of_dapm_routes;
1224        int num_of_dapm_routes;
1225        bool fully_routed;
1226
1227        struct work_struct deferred_resume_work;
1228
1229        /* lists of probed devices belonging to this card */
1230        struct list_head component_dev_list;
1231
1232        struct list_head widgets;
1233        struct list_head paths;
1234        struct list_head dapm_list;
1235        struct list_head dapm_dirty;
1236
1237        /* attached dynamic objects */
1238        struct list_head dobj_list;
1239
1240        /* Generic DAPM context for the card */
1241        struct snd_soc_dapm_context dapm;
1242        struct snd_soc_dapm_stats dapm_stats;
1243        struct snd_soc_dapm_update *update;
1244
1245#ifdef CONFIG_DEBUG_FS
1246        struct dentry *debugfs_card_root;
1247        struct dentry *debugfs_pop_time;
1248#endif
1249        u32 pop_time;
1250
1251        void *drvdata;
1252};
1253
1254/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1255struct snd_soc_pcm_runtime {
1256        struct device *dev;
1257        struct snd_soc_card *card;
1258        struct snd_soc_dai_link *dai_link;
1259        struct mutex pcm_mutex;
1260        enum snd_soc_pcm_subclass pcm_subclass;
1261        struct snd_pcm_ops ops;
1262
1263        /* Dynamic PCM BE runtime data */
1264        struct snd_soc_dpcm_runtime dpcm[2];
1265        int fe_compr;
1266
1267        long pmdown_time;
1268
1269        /* runtime devices */
1270        struct snd_pcm *pcm;
1271        struct snd_compr *compr;
1272        struct snd_soc_codec *codec;
1273        struct snd_soc_platform *platform; /* will be removed */
1274        struct snd_soc_dai *codec_dai;
1275        struct snd_soc_dai *cpu_dai;
1276
1277        struct snd_soc_dai **codec_dais;
1278        unsigned int num_codecs;
1279
1280        struct delayed_work delayed_work;
1281#ifdef CONFIG_DEBUG_FS
1282        struct dentry *debugfs_dpcm_root;
1283#endif
1284
1285        unsigned int num; /* 0-based and monotonic increasing */
1286        struct list_head list; /* rtd list of the soc card */
1287        struct list_head component_list; /* list of connected components */
1288
1289        /* bit field */
1290        unsigned int dev_registered:1;
1291        unsigned int pop_wait:1;
1292};
1293
1294/* mixer control */
1295struct soc_mixer_control {
1296        int min, max, platform_max;
1297        int reg, rreg;
1298        unsigned int shift, rshift;
1299        unsigned int sign_bit;
1300        unsigned int invert:1;
1301        unsigned int autodisable:1;
1302        struct snd_soc_dobj dobj;
1303};
1304
1305struct soc_bytes {
1306        int base;
1307        int num_regs;
1308        u32 mask;
1309};
1310
1311struct soc_bytes_ext {
1312        int max;
1313        struct snd_soc_dobj dobj;
1314
1315        /* used for TLV byte control */
1316        int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1317                        unsigned int size);
1318        int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1319                        unsigned int size);
1320};
1321
1322/* multi register control */
1323struct soc_mreg_control {
1324        long min, max;
1325        unsigned int regbase, regcount, nbits, invert;
1326};
1327
1328/* enumerated kcontrol */
1329struct soc_enum {
1330        int reg;
1331        unsigned char shift_l;
1332        unsigned char shift_r;
1333        unsigned int items;
1334        unsigned int mask;
1335        const char * const *texts;
1336        const unsigned int *values;
1337        unsigned int autodisable:1;
1338        struct snd_soc_dobj dobj;
1339};
1340
1341/**
1342 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1343 * @component: The component to cast to a CODEC
1344 *
1345 * This function must only be used on components that are known to be CODECs.
1346 * Otherwise the behavior is undefined.
1347 */
1348static inline struct snd_soc_codec *snd_soc_component_to_codec(
1349        struct snd_soc_component *component)
1350{
1351        return container_of(component, struct snd_soc_codec, component);
1352}
1353
1354/**
1355 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1356 * @component: The component to cast to a platform
1357 *
1358 * This function must only be used on components that are known to be platforms.
1359 * Otherwise the behavior is undefined.
1360 */
1361static inline struct snd_soc_platform *snd_soc_component_to_platform(
1362        struct snd_soc_component *component)
1363{
1364        return container_of(component, struct snd_soc_platform, component);
1365}
1366
1367/**
1368 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1369 *  embedded in
1370 * @dapm: The DAPM context to cast to the component
1371 *
1372 * This function must only be used on DAPM contexts that are known to be part of
1373 * a component (e.g. in a component driver). Otherwise the behavior is
1374 * undefined.
1375 */
1376static inline struct snd_soc_component *snd_soc_dapm_to_component(
1377        struct snd_soc_dapm_context *dapm)
1378{
1379        return container_of(dapm, struct snd_soc_component, dapm);
1380}
1381
1382/**
1383 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1384 * @dapm: The DAPM context to cast to the CODEC
1385 *
1386 * This function must only be used on DAPM contexts that are known to be part of
1387 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1388 */
1389static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1390        struct snd_soc_dapm_context *dapm)
1391{
1392        return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1393}
1394
1395/**
1396 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1397 *  embedded in
1398 * @dapm: The DAPM context to cast to the platform.
1399 *
1400 * This function must only be used on DAPM contexts that are known to be part of
1401 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1402 */
1403static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1404        struct snd_soc_dapm_context *dapm)
1405{
1406        return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1407}
1408
1409/**
1410 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1411 *  component
1412 * @component: The component for which to get the DAPM context
1413 */
1414static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1415        struct snd_soc_component *component)
1416{
1417        return &component->dapm;
1418}
1419
1420/**
1421 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1422 * @codec: The CODEC for which to get the DAPM context
1423 *
1424 * Note: Use this function instead of directly accessing the CODEC's dapm field
1425 */
1426static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1427        struct snd_soc_codec *codec)
1428{
1429        return snd_soc_component_get_dapm(&codec->component);
1430}
1431
1432/**
1433 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1434 * @codec: The CODEC for which to initialize the DAPM bias level
1435 * @level: The DAPM level to initialize to
1436 *
1437 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1438 */
1439static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1440        enum snd_soc_bias_level level)
1441{
1442        snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1443}
1444
1445/**
1446 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
1447 * @component: The COMPONENT for which to initialize the DAPM bias level
1448 * @level: The DAPM level to initialize to
1449 *
1450 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
1451 */
1452static inline void
1453snd_soc_component_init_bias_level(struct snd_soc_component *component,
1454                                  enum snd_soc_bias_level level)
1455{
1456        snd_soc_dapm_init_bias_level(
1457                snd_soc_component_get_dapm(component), level);
1458}
1459
1460/**
1461 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1462 * @codec: The CODEC for which to get the DAPM bias level
1463 *
1464 * Returns: The current DAPM bias level of the CODEC.
1465 */
1466static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1467        struct snd_soc_codec *codec)
1468{
1469        return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1470}
1471
1472/**
1473 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
1474 * @component: The COMPONENT for which to get the DAPM bias level
1475 *
1476 * Returns: The current DAPM bias level of the COMPONENT.
1477 */
1478static inline enum snd_soc_bias_level
1479snd_soc_component_get_bias_level(struct snd_soc_component *component)
1480{
1481        return snd_soc_dapm_get_bias_level(
1482                snd_soc_component_get_dapm(component));
1483}
1484
1485/**
1486 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1487 * @codec: The CODEC for which to set the level
1488 * @level: The level to set to
1489 *
1490 * Forces the CODEC bias level to a specific state. See
1491 * snd_soc_dapm_force_bias_level().
1492 */
1493static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1494        enum snd_soc_bias_level level)
1495{
1496        return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1497                level);
1498}
1499
1500/**
1501 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
1502 * @component: The COMPONENT for which to set the level
1503 * @level: The level to set to
1504 *
1505 * Forces the COMPONENT bias level to a specific state. See
1506 * snd_soc_dapm_force_bias_level().
1507 */
1508static inline int
1509snd_soc_component_force_bias_level(struct snd_soc_component *component,
1510                                   enum snd_soc_bias_level level)
1511{
1512        return snd_soc_dapm_force_bias_level(
1513                snd_soc_component_get_dapm(component),
1514                level);
1515}
1516
1517/**
1518 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1519 * @kcontrol: The kcontrol
1520 *
1521 * This function must only be used on DAPM contexts that are known to be part of
1522 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1523 */
1524static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1525        struct snd_kcontrol *kcontrol)
1526{
1527        return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1528}
1529
1530/**
1531 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
1532 * @kcontrol: The kcontrol
1533 *
1534 * This function must only be used on DAPM contexts that are known to be part of
1535 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
1536 */
1537static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
1538        struct snd_kcontrol *kcontrol)
1539{
1540        return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
1541}
1542
1543/* codec IO */
1544unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1545int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1546        unsigned int val);
1547
1548/**
1549 * snd_soc_cache_sync() - Sync the register cache with the hardware
1550 * @codec: CODEC to sync
1551 *
1552 * Note: This function will call regcache_sync()
1553 */
1554static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1555{
1556        return regcache_sync(codec->component.regmap);
1557}
1558
1559/**
1560 * snd_soc_component_cache_sync() - Sync the register cache with the hardware
1561 * @component: COMPONENT to sync
1562 *
1563 * Note: This function will call regcache_sync()
1564 */
1565static inline int snd_soc_component_cache_sync(
1566        struct snd_soc_component *component)
1567{
1568        return regcache_sync(component->regmap);
1569}
1570
1571/* component IO */
1572int snd_soc_component_read(struct snd_soc_component *component,
1573        unsigned int reg, unsigned int *val);
1574unsigned int snd_soc_component_read32(struct snd_soc_component *component,
1575                                      unsigned int reg);
1576int snd_soc_component_write(struct snd_soc_component *component,
1577        unsigned int reg, unsigned int val);
1578int snd_soc_component_update_bits(struct snd_soc_component *component,
1579        unsigned int reg, unsigned int mask, unsigned int val);
1580int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1581        unsigned int reg, unsigned int mask, unsigned int val);
1582void snd_soc_component_async_complete(struct snd_soc_component *component);
1583int snd_soc_component_test_bits(struct snd_soc_component *component,
1584        unsigned int reg, unsigned int mask, unsigned int value);
1585
1586/* component wide operations */
1587int snd_soc_component_set_sysclk(struct snd_soc_component *component,
1588                        int clk_id, int source, unsigned int freq, int dir);
1589int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
1590                              int source, unsigned int freq_in,
1591                              unsigned int freq_out);
1592int snd_soc_component_set_jack(struct snd_soc_component *component,
1593                               struct snd_soc_jack *jack, void *data);
1594
1595#ifdef CONFIG_REGMAP
1596
1597void snd_soc_component_init_regmap(struct snd_soc_component *component,
1598        struct regmap *regmap);
1599void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1600
1601/**
1602 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1603 * @codec: The CODEC for which to initialize the regmap instance
1604 * @regmap: The regmap instance that should be used by the CODEC
1605 *
1606 * This function allows deferred assignment of the regmap instance that is
1607 * associated with the CODEC. Only use this if the regmap instance is not yet
1608 * ready when the CODEC is registered. The function must also be called before
1609 * the first IO attempt of the CODEC.
1610 */
1611static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1612        struct regmap *regmap)
1613{
1614        snd_soc_component_init_regmap(&codec->component, regmap);
1615}
1616
1617/**
1618 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1619 * @codec: The CODEC for which to de-initialize the regmap instance
1620 *
1621 * Calls regmap_exit() on the regmap instance associated to the CODEC and
1622 * removes the regmap instance from the CODEC.
1623 *
1624 * This function should only be used if snd_soc_codec_init_regmap() was used to
1625 * initialize the regmap instance.
1626 */
1627static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1628{
1629        snd_soc_component_exit_regmap(&codec->component);
1630}
1631
1632#endif
1633
1634/* device driver data */
1635
1636static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1637                void *data)
1638{
1639        card->drvdata = data;
1640}
1641
1642static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1643{
1644        return card->drvdata;
1645}
1646
1647static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1648                void *data)
1649{
1650        dev_set_drvdata(c->dev, data);
1651}
1652
1653static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1654{
1655        return dev_get_drvdata(c->dev);
1656}
1657
1658static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1659                void *data)
1660{
1661        snd_soc_component_set_drvdata(&codec->component, data);
1662}
1663
1664static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1665{
1666        return snd_soc_component_get_drvdata(&codec->component);
1667}
1668
1669static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1670                void *data)
1671{
1672        snd_soc_component_set_drvdata(&platform->component, data);
1673}
1674
1675static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1676{
1677        return snd_soc_component_get_drvdata(&platform->component);
1678}
1679
1680static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1681{
1682        INIT_LIST_HEAD(&card->widgets);
1683        INIT_LIST_HEAD(&card->paths);
1684        INIT_LIST_HEAD(&card->dapm_list);
1685        INIT_LIST_HEAD(&card->aux_comp_list);
1686        INIT_LIST_HEAD(&card->component_dev_list);
1687}
1688
1689static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1690{
1691        if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1692                return 0;
1693        /*
1694         * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1695         * mc->reg != mc->rreg means that the control is
1696         * stereo (bits in one register or in two registers)
1697         */
1698        return 1;
1699}
1700
1701static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1702        unsigned int val)
1703{
1704        unsigned int i;
1705
1706        if (!e->values)
1707                return val;
1708
1709        for (i = 0; i < e->items; i++)
1710                if (val == e->values[i])
1711                        return i;
1712
1713        return 0;
1714}
1715
1716static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1717        unsigned int item)
1718{
1719        if (!e->values)
1720                return item;
1721
1722        return e->values[item];
1723}
1724
1725static inline bool snd_soc_component_is_active(
1726        struct snd_soc_component *component)
1727{
1728        return component->active != 0;
1729}
1730
1731static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1732{
1733        return snd_soc_component_is_active(&codec->component);
1734}
1735
1736/**
1737 * snd_soc_kcontrol_component() - Returns the component that registered the
1738 *  control
1739 * @kcontrol: The control for which to get the component
1740 *
1741 * Note: This function will work correctly if the control has been registered
1742 * for a component. Either with snd_soc_add_codec_controls() or
1743 * snd_soc_add_platform_controls() or via  table based setup for either a
1744 * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1745 */
1746static inline struct snd_soc_component *snd_soc_kcontrol_component(
1747        struct snd_kcontrol *kcontrol)
1748{
1749        return snd_kcontrol_chip(kcontrol);
1750}
1751
1752/**
1753 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1754 * @kcontrol: The control for which to get the CODEC
1755 *
1756 * Note: This function will only work correctly if the control has been
1757 * registered with snd_soc_add_codec_controls() or via table based setup of
1758 * snd_soc_codec_driver. Otherwise the behavior is undefined.
1759 */
1760static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1761        struct snd_kcontrol *kcontrol)
1762{
1763        return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1764}
1765
1766/**
1767 * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1768 * @kcontrol: The control for which to get the platform
1769 *
1770 * Note: This function will only work correctly if the control has been
1771 * registered with snd_soc_add_platform_controls() or via table based setup of
1772 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1773 */
1774static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1775        struct snd_kcontrol *kcontrol)
1776{
1777        return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1778}
1779
1780int snd_soc_util_init(void);
1781void snd_soc_util_exit(void);
1782
1783int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1784                               const char *propname);
1785int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1786                                          const char *propname);
1787int snd_soc_of_parse_tdm_slot(struct device_node *np,
1788                              unsigned int *tx_mask,
1789                              unsigned int *rx_mask,
1790                              unsigned int *slots,
1791                              unsigned int *slot_width);
1792void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1793                                   struct snd_soc_codec_conf *codec_conf,
1794                                   struct device_node *of_node,
1795                                   const char *propname);
1796int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1797                                   const char *propname);
1798unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1799                                     const char *prefix,
1800                                     struct device_node **bitclkmaster,
1801                                     struct device_node **framemaster);
1802int snd_soc_get_dai_id(struct device_node *ep);
1803int snd_soc_get_dai_name(struct of_phandle_args *args,
1804                         const char **dai_name);
1805int snd_soc_of_get_dai_name(struct device_node *of_node,
1806                            const char **dai_name);
1807int snd_soc_of_get_dai_link_codecs(struct device *dev,
1808                                   struct device_node *of_node,
1809                                   struct snd_soc_dai_link *dai_link);
1810
1811int snd_soc_add_dai_link(struct snd_soc_card *card,
1812                                struct snd_soc_dai_link *dai_link);
1813void snd_soc_remove_dai_link(struct snd_soc_card *card,
1814                             struct snd_soc_dai_link *dai_link);
1815struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1816                                               int id, const char *name,
1817                                               const char *stream_name);
1818
1819int snd_soc_register_dai(struct snd_soc_component *component,
1820        struct snd_soc_dai_driver *dai_drv);
1821
1822struct snd_soc_dai *snd_soc_find_dai(
1823        const struct snd_soc_dai_link_component *dlc);
1824
1825#include <sound/soc-dai.h>
1826
1827static inline
1828struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1829                                               const char *dai_name)
1830{
1831        struct snd_soc_pcm_runtime *rtd;
1832
1833        list_for_each_entry(rtd, &card->rtd_list, list) {
1834                if (!strcmp(rtd->codec_dai->name, dai_name))
1835                        return rtd->codec_dai;
1836        }
1837
1838        return NULL;
1839}
1840
1841#ifdef CONFIG_DEBUG_FS
1842extern struct dentry *snd_soc_debugfs_root;
1843#endif
1844
1845extern const struct dev_pm_ops snd_soc_pm_ops;
1846
1847/* Helper functions */
1848static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1849{
1850        mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1851}
1852
1853static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1854{
1855        mutex_unlock(&dapm->card->dapm_mutex);
1856}
1857
1858int snd_soc_component_enable_pin(struct snd_soc_component *component,
1859                                 const char *pin);
1860int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1861                                          const char *pin);
1862int snd_soc_component_disable_pin(struct snd_soc_component *component,
1863                                  const char *pin);
1864int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1865                                           const char *pin);
1866int snd_soc_component_nc_pin(struct snd_soc_component *component,
1867                             const char *pin);
1868int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1869                                      const char *pin);
1870int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1871                                     const char *pin);
1872int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1873                                       const char *pin);
1874int snd_soc_component_force_enable_pin_unlocked(
1875                                        struct snd_soc_component *component,
1876                                        const char *pin);
1877
1878#endif
1879