include/sound/soc.h

   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  */
 389 enum 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
 396 struct device_node;
 397 struct snd_jack;
 398 struct snd_soc_card;
 399 struct snd_soc_pcm_stream;
 400 struct snd_soc_ops;
 401 struct snd_soc_pcm_runtime;
 402 struct snd_soc_dai;
 403 struct snd_soc_dai_driver;
 404 struct snd_soc_platform;
 405 struct snd_soc_dai_link;
 406 struct snd_soc_platform_driver;
 407 struct snd_soc_codec;
 408 struct snd_soc_codec_driver;
 409 struct snd_soc_component;
 410 struct snd_soc_component_driver;
 411 struct soc_enum;
 412 struct snd_soc_jack;
 413 struct snd_soc_jack_zone;
 414 struct snd_soc_jack_pin;
 415 #include <sound/soc-dapm.h>
 416 #include <sound/soc-dpcm.h>
 417 #include <sound/soc-topology.h>
 418
 419 struct snd_soc_jack_gpio;
 420
 421 typedef int (*hw_write_t)(void *,const char* ,int);
 422
 423 enum snd_soc_pcm_subclass {
 424         SND_SOC_PCM_CLASS_PCM   = 0,
 425         SND_SOC_PCM_CLASS_BE    = 1,
 426 };
 427
 428 enum snd_soc_card_subclass {
 429         SND_SOC_CARD_CLASS_INIT         = 0,
 430         SND_SOC_CARD_CLASS_RUNTIME      = 1,
 431 };
 432
 433 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
 434                              int source, unsigned int freq, int dir);
 435 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
 436                           unsigned int freq_in, unsigned int freq_out);
 437 int snd_soc_codec_set_jack(struct snd_soc_codec *codec,
 438                            struct snd_soc_jack *jack, void *data);
 439
 440 int snd_soc_register_card(struct snd_soc_card *card);
 441 int snd_soc_unregister_card(struct snd_soc_card *card);
 442 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
 443 #ifdef CONFIG_PM_SLEEP
 444 int snd_soc_suspend(struct device *dev);
 445 int snd_soc_resume(struct device *dev);
 446 #else
 447 static inline int snd_soc_suspend(struct device *dev)
 448 {
 449         return 0;
 450 }
 451
 452 static inline int snd_soc_resume(struct device *dev)
 453 {
 454         return 0;
 455 }
 456 #endif
 457 int snd_soc_poweroff(struct device *dev);
 458 int snd_soc_register_platform(struct device *dev,
 459                 const struct snd_soc_platform_driver *platform_drv);
 460 int devm_snd_soc_register_platform(struct device *dev,
 461                 const struct snd_soc_platform_driver *platform_drv);
 462 void snd_soc_unregister_platform(struct device *dev);
 463 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
 464                 const struct snd_soc_platform_driver *platform_drv);
 465 void snd_soc_remove_platform(struct snd_soc_platform *platform);
 466 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
 467 int 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);
 470 void snd_soc_unregister_codec(struct device *dev);
 471 int 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);
 474 int 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);
 477 void snd_soc_unregister_component(struct device *dev);
 478 int snd_soc_cache_init(struct snd_soc_codec *codec);
 479 int snd_soc_cache_exit(struct snd_soc_codec *codec);
 480
 481 int snd_soc_platform_read(struct snd_soc_platform *platform,
 482                                         unsigned int reg);
 483 int snd_soc_platform_write(struct snd_soc_platform *platform,
 484                                         unsigned int reg, unsigned int val);
 485 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 486 #ifdef CONFIG_SND_SOC_COMPRESS
 487 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
 488 #endif
 489
 490 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
 491                 const char *dai_link, int stream);
 492 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 493                 const char *dai_link);
 494
 495 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 496 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
 497 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
 498
 499 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 500         unsigned int dai_fmt);
 501
 502 #ifdef CONFIG_DMI
 503 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
 504 #else
 505 static 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 */
 513 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
 514 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
 515 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 516 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
 517
 518 /* set runtime hw params */
 519 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 520         const struct snd_pcm_hardware *hw);
 521
 522 int 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 */
 527 int 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
 531 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 532 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 533                           struct snd_soc_jack_pin *pins);
 534 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
 535                                     struct notifier_block *nb);
 536 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
 537                                       struct notifier_block *nb);
 538 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
 539                           struct snd_soc_jack_zone *zones);
 540 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
 541 #ifdef CONFIG_GPIOLIB
 542 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 543                         struct snd_soc_jack_gpio *gpios);
 544 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 545                             struct snd_soc_jack *jack,
 546                             int count, struct snd_soc_jack_gpio *gpios);
 547 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 548                         struct snd_soc_jack_gpio *gpios);
 549 #else
 550 static 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
 556 static 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
 564 static 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 */
 571 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
 572                                 unsigned int mask, unsigned int value);
 573 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
 574                                unsigned int reg, unsigned int mask,
 575                                unsigned int value);
 576 int 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
 580 struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
 581 struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
 582         unsigned int id, unsigned int id_mask);
 583 void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
 584
 585 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 586 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 587                 struct platform_device *pdev);
 588
 589 extern struct snd_ac97_bus_ops *soc_ac97_ops;
 590 #else
 591 static 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
 597 static 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  */
 606 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 607                                   void *data, const char *long_name,
 608                                   const char *prefix);
 609 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 610                                                const char *name);
 611 int snd_soc_add_component_controls(struct snd_soc_component *component,
 612         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 613 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
 614         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 615 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
 616         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 617 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 618         const struct snd_kcontrol_new *controls, int num_controls);
 619 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
 620         const struct snd_kcontrol_new *controls, int num_controls);
 621 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 622         struct snd_ctl_elem_info *uinfo);
 623 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 624         struct snd_ctl_elem_value *ucontrol);
 625 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 626         struct snd_ctl_elem_value *ucontrol);
 627 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 628         struct snd_ctl_elem_info *uinfo);
 629 int 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
 632 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 633         struct snd_ctl_elem_value *ucontrol);
 634 int 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
 638 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
 639         struct snd_ctl_elem_value *ucontrol);
 640 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 641         struct snd_ctl_elem_value *ucontrol);
 642 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
 643         struct snd_ctl_elem_info *uinfo);
 644 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 645         struct snd_ctl_elem_value *ucontrol);
 646 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 647         struct snd_ctl_elem_value *ucontrol);
 648 int snd_soc_limit_volume(struct snd_soc_card *card,
 649         const char *name, int max);
 650 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
 651                        struct snd_ctl_elem_info *uinfo);
 652 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
 653                       struct snd_ctl_elem_value *ucontrol);
 654 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
 655                       struct snd_ctl_elem_value *ucontrol);
 656 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 657         struct snd_ctl_elem_info *ucontrol);
 658 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 659         unsigned int size, unsigned int __user *tlv);
 660 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
 661         struct snd_ctl_elem_info *uinfo);
 662 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 663         struct snd_ctl_elem_value *ucontrol);
 664 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 665         struct snd_ctl_elem_value *ucontrol);
 666 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
 667         struct snd_ctl_elem_value *ucontrol);
 668 int 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  */
 679 struct 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  */
 696 struct 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  */
 721 struct 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
 742 struct 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 */
 753 struct 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 */
 765 struct 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
 774 struct 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 */
 782 struct 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
 813 struct 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 */
 884 struct 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 */
 908 struct 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 */
 947 struct 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
 964 struct snd_soc_dai_link_component {
 965         const char *name;
 966         struct device_node *of_node;
 967         const char *dai_name;
 968 };
 969
 970 struct 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
 979 struct 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
1072 struct 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
1087 struct 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 */
1102 struct 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 */
1209 struct 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 */
1249 struct 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
1259 struct soc_bytes {
1260         int base;
1261         int num_regs;
1262         u32 mask;
1263 };
1264
1265 struct 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 */
1277 struct soc_mreg_control {
1278         long min, max;
1279         unsigned int regbase, regcount, nbits, invert;
1280 };
1281
1282 /* enumerated kcontrol */
1283 struct 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  */
1302 static 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  */
1315 static 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  */
1330 static 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  */
1343 static 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  */
1357 static 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  */
1368 static 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  */
1380 static 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  */
1393 static 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  */
1405 static 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  */
1419 static 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  */
1433 static 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 */
1440 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1441 int 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  */
1450 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1451 {
1452         return regcache_sync(codec->component.regmap);
1453 }
1454
1455 /* component IO */
1456 int snd_soc_component_read(struct snd_soc_component *component,
1457         unsigned int reg, unsigned int *val);
1458 int snd_soc_component_write(struct snd_soc_component *component,
1459         unsigned int reg, unsigned int val);
1460 int snd_soc_component_update_bits(struct snd_soc_component *component,
1461         unsigned int reg, unsigned int mask, unsigned int val);
1462 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1463         unsigned int reg, unsigned int mask, unsigned int val);
1464 void snd_soc_component_async_complete(struct snd_soc_component *component);
1465 int 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
1470 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1471         struct regmap *regmap);
1472 void 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  */
1484 static 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  */
1500 static 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
1509 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1510                 void *data)
1511 {
1512         card->drvdata = data;
1513 }
1514
1515 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1516 {
1517         return card->drvdata;
1518 }
1519
1520 static 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
1526 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1527 {
1528         return dev_get_drvdata(c->dev);
1529 }
1530
1531 static 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
1537 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1538 {
1539         return snd_soc_component_get_drvdata(&codec->component);
1540 }
1541
1542 static 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
1548 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1549 {
1550         return snd_soc_component_get_drvdata(&platform->component);
1551 }
1552
1553 static 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
1562 static 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
1574 static 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
1589 static 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
1598 static inline bool snd_soc_component_is_active(
1599         struct snd_soc_component *component)
1600 {
1601         return component->active != 0;
1602 }
1603
1604 static 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  */
1619 static 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  */
1633 static 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  */
1647 static 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
1653 int snd_soc_util_init(void);
1654 void snd_soc_util_exit(void);
1655
1656 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1657                                const char *propname);
1658 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1659                                           const char *propname);
1660 int 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);
1665 void 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);
1669 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1670                                    const char *propname);
1671 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1672                                      const char *prefix,
1673                                      struct device_node **bitclkmaster,
1674                                      struct device_node **framemaster);
1675 int snd_soc_get_dai_id(struct device_node *ep);
1676 int snd_soc_get_dai_name(struct of_phandle_args *args,
1677                          const char **dai_name);
1678 int snd_soc_of_get_dai_name(struct device_node *of_node,
1679                             const char **dai_name);
1680 int 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
1684 int snd_soc_add_dai_link(struct snd_soc_card *card,
1685                                 struct snd_soc_dai_link *dai_link);
1686 void snd_soc_remove_dai_link(struct snd_soc_card *card,
1687                              struct snd_soc_dai_link *dai_link);
1688 struct 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
1692 int snd_soc_register_dai(struct snd_soc_component *component,
1693         struct snd_soc_dai_driver *dai_drv);
1694
1695 struct 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
1701 extern struct dentry *snd_soc_debugfs_root;
1702 #endif
1703
1704 extern const struct dev_pm_ops snd_soc_pm_ops;
1705
1706 /* Helper functions */
1707 static 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
1712 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1713 {
1714         mutex_unlock(&dapm->card->dapm_mutex);
1715 }
1716
1717 int snd_soc_component_enable_pin(struct snd_soc_component *component,
1718                                  const char *pin);
1719 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1720                                           const char *pin);
1721 int snd_soc_component_disable_pin(struct snd_soc_component *component,
1722                                   const char *pin);
1723 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1724                                            const char *pin);
1725 int snd_soc_component_nc_pin(struct snd_soc_component *component,
1726                              const char *pin);
1727 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1728                                       const char *pin);
1729 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1730                                      const char *pin);
1731 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1732                                        const char *pin);
1733 int snd_soc_component_force_enable_pin_unlocked(
1734                                         struct snd_soc_component *component,
1735                                         const char *pin);
1736
1737 #endif