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
 438 int snd_soc_register_card(struct snd_soc_card *card);
 439 int snd_soc_unregister_card(struct snd_soc_card *card);
 440 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
 441 #ifdef CONFIG_PM_SLEEP
 442 int snd_soc_suspend(struct device *dev);
 443 int snd_soc_resume(struct device *dev);
 444 #else
 445 static inline int snd_soc_suspend(struct device *dev)
 446 {
 447         return 0;
 448 }
 449
 450 static inline int snd_soc_resume(struct device *dev)
 451 {
 452         return 0;
 453 }
 454 #endif
 455 int snd_soc_poweroff(struct device *dev);
 456 int snd_soc_register_platform(struct device *dev,
 457                 const struct snd_soc_platform_driver *platform_drv);
 458 int devm_snd_soc_register_platform(struct device *dev,
 459                 const struct snd_soc_platform_driver *platform_drv);
 460 void snd_soc_unregister_platform(struct device *dev);
 461 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
 462                 const struct snd_soc_platform_driver *platform_drv);
 463 void snd_soc_remove_platform(struct snd_soc_platform *platform);
 464 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
 465 int snd_soc_register_codec(struct device *dev,
 466                 const struct snd_soc_codec_driver *codec_drv,
 467                 struct snd_soc_dai_driver *dai_drv, int num_dai);
 468 void snd_soc_unregister_codec(struct device *dev);
 469 int snd_soc_register_component(struct device *dev,
 470                          const struct snd_soc_component_driver *cmpnt_drv,
 471                          struct snd_soc_dai_driver *dai_drv, int num_dai);
 472 int devm_snd_soc_register_component(struct device *dev,
 473                          const struct snd_soc_component_driver *cmpnt_drv,
 474                          struct snd_soc_dai_driver *dai_drv, int num_dai);
 475 void snd_soc_unregister_component(struct device *dev);
 476 int snd_soc_cache_init(struct snd_soc_codec *codec);
 477 int snd_soc_cache_exit(struct snd_soc_codec *codec);
 478
 479 int snd_soc_platform_read(struct snd_soc_platform *platform,
 480                                         unsigned int reg);
 481 int snd_soc_platform_write(struct snd_soc_platform *platform,
 482                                         unsigned int reg, unsigned int val);
 483 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 484 #ifdef CONFIG_SND_SOC_COMPRESS
 485 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
 486 #endif
 487
 488 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
 489                 const char *dai_link, int stream);
 490 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 491                 const char *dai_link);
 492
 493 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 494 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
 495 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
 496
 497 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 498         unsigned int dai_fmt);
 499
 500 /* Utility functions to get clock rates from various things */
 501 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
 502 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
 503 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 504 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
 505
 506 /* set runtime hw params */
 507 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 508         const struct snd_pcm_hardware *hw);
 509
 510 int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
 511                 int cmd, struct snd_soc_platform *platform);
 512
 513 int soc_dai_hw_params(struct snd_pcm_substream *substream,
 514                       struct snd_pcm_hw_params *params,
 515                       struct snd_soc_dai *dai);
 516
 517 /* Jack reporting */
 518 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
 519         struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
 520         unsigned int num_pins);
 521
 522 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 523 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 524                           struct snd_soc_jack_pin *pins);
 525 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
 526                                     struct notifier_block *nb);
 527 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
 528                                       struct notifier_block *nb);
 529 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
 530                           struct snd_soc_jack_zone *zones);
 531 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
 532 #ifdef CONFIG_GPIOLIB
 533 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 534                         struct snd_soc_jack_gpio *gpios);
 535 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 536                             struct snd_soc_jack *jack,
 537                             int count, struct snd_soc_jack_gpio *gpios);
 538 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 539                         struct snd_soc_jack_gpio *gpios);
 540 #else
 541 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 542                                          struct snd_soc_jack_gpio *gpios)
 543 {
 544         return 0;
 545 }
 546
 547 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 548                                           struct snd_soc_jack *jack,
 549                                           int count,
 550                                           struct snd_soc_jack_gpio *gpios)
 551 {
 552         return 0;
 553 }
 554
 555 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 556                                            struct snd_soc_jack_gpio *gpios)
 557 {
 558 }
 559 #endif
 560
 561 /* codec register bit access */
 562 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
 563                                 unsigned int mask, unsigned int value);
 564 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
 565                                unsigned int reg, unsigned int mask,
 566                                unsigned int value);
 567 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
 568                                 unsigned int mask, unsigned int value);
 569
 570 #ifdef CONFIG_SND_SOC_AC97_BUS
 571 struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
 572 struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
 573         unsigned int id, unsigned int id_mask);
 574 void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
 575
 576 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 577 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 578                 struct platform_device *pdev);
 579
 580 extern struct snd_ac97_bus_ops *soc_ac97_ops;
 581 #else
 582 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 583         struct platform_device *pdev)
 584 {
 585         return 0;
 586 }
 587
 588 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
 589 {
 590         return 0;
 591 }
 592 #endif
 593
 594 /*
 595  *Controls
 596  */
 597 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 598                                   void *data, const char *long_name,
 599                                   const char *prefix);
 600 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 601                                                const char *name);
 602 int snd_soc_add_component_controls(struct snd_soc_component *component,
 603         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 604 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
 605         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 606 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
 607         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 608 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 609         const struct snd_kcontrol_new *controls, int num_controls);
 610 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
 611         const struct snd_kcontrol_new *controls, int num_controls);
 612 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 613         struct snd_ctl_elem_info *uinfo);
 614 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 615         struct snd_ctl_elem_value *ucontrol);
 616 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 617         struct snd_ctl_elem_value *ucontrol);
 618 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 619         struct snd_ctl_elem_info *uinfo);
 620 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
 621                           struct snd_ctl_elem_info *uinfo);
 622 #define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 623 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 624         struct snd_ctl_elem_value *ucontrol);
 625 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 626         struct snd_ctl_elem_value *ucontrol);
 627 #define snd_soc_get_volsw_2r snd_soc_get_volsw
 628 #define snd_soc_put_volsw_2r snd_soc_put_volsw
 629 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
 630         struct snd_ctl_elem_value *ucontrol);
 631 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 632         struct snd_ctl_elem_value *ucontrol);
 633 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
 634         struct snd_ctl_elem_info *uinfo);
 635 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 636         struct snd_ctl_elem_value *ucontrol);
 637 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 638         struct snd_ctl_elem_value *ucontrol);
 639 int snd_soc_limit_volume(struct snd_soc_card *card,
 640         const char *name, int max);
 641 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
 642                        struct snd_ctl_elem_info *uinfo);
 643 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
 644                       struct snd_ctl_elem_value *ucontrol);
 645 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
 646                       struct snd_ctl_elem_value *ucontrol);
 647 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 648         struct snd_ctl_elem_info *ucontrol);
 649 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 650         unsigned int size, unsigned int __user *tlv);
 651 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
 652         struct snd_ctl_elem_info *uinfo);
 653 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 654         struct snd_ctl_elem_value *ucontrol);
 655 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 656         struct snd_ctl_elem_value *ucontrol);
 657 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
 658         struct snd_ctl_elem_value *ucontrol);
 659 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
 660         struct snd_ctl_elem_value *ucontrol);
 661
 662 /**
 663  * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 664  *
 665  * @pin:    name of the pin to update
 666  * @mask:   bits to check for in reported jack status
 667  * @invert: if non-zero then pin is enabled when status is not reported
 668  * @list:   internal list entry
 669  */
 670 struct snd_soc_jack_pin {
 671         struct list_head list;
 672         const char *pin;
 673         int mask;
 674         bool invert;
 675 };
 676
 677 /**
 678  * struct snd_soc_jack_zone - Describes voltage zones of jack detection
 679  *
 680  * @min_mv: start voltage in mv
 681  * @max_mv: end voltage in mv
 682  * @jack_type: type of jack that is expected for this voltage
 683  * @debounce_time: debounce_time for jack, codec driver should wait for this
 684  *              duration before reading the adc for voltages
 685  * @list:   internal list entry
 686  */
 687 struct snd_soc_jack_zone {
 688         unsigned int min_mv;
 689         unsigned int max_mv;
 690         unsigned int jack_type;
 691         unsigned int debounce_time;
 692         struct list_head list;
 693 };
 694
 695 /**
 696  * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 697  *
 698  * @gpio:         legacy gpio number
 699  * @idx:          gpio descriptor index within the function of the GPIO
 700  *                consumer device
 701  * @gpiod_dev:    GPIO consumer device
 702  * @name:         gpio name. Also as connection ID for the GPIO consumer
 703  *                device function name lookup
 704  * @report:       value to report when jack detected
 705  * @invert:       report presence in low state
 706  * @debounce_time: debounce time in ms
 707  * @wake:         enable as wake source
 708  * @jack_status_check: callback function which overrides the detection
 709  *                     to provide more complex checks (eg, reading an
 710  *                     ADC).
 711  */
 712 struct snd_soc_jack_gpio {
 713         unsigned int gpio;
 714         unsigned int idx;
 715         struct device *gpiod_dev;
 716         const char *name;
 717         int report;
 718         int invert;
 719         int debounce_time;
 720         bool wake;
 721
 722         /* private: */
 723         struct snd_soc_jack *jack;
 724         struct delayed_work work;
 725         struct gpio_desc *desc;
 726
 727         void *data;
 728         /* public: */
 729         int (*jack_status_check)(void *data);
 730 };
 731
 732 struct snd_soc_jack {
 733         struct mutex mutex;
 734         struct snd_jack *jack;
 735         struct snd_soc_card *card;
 736         struct list_head pins;
 737         int status;
 738         struct blocking_notifier_head notifier;
 739         struct list_head jack_zones;
 740 };
 741
 742 /* SoC PCM stream information */
 743 struct snd_soc_pcm_stream {
 744         const char *stream_name;
 745         u64 formats;                    /* SNDRV_PCM_FMTBIT_* */
 746         unsigned int rates;             /* SNDRV_PCM_RATE_* */
 747         unsigned int rate_min;          /* min rate */
 748         unsigned int rate_max;          /* max rate */
 749         unsigned int channels_min;      /* min channels */
 750         unsigned int channels_max;      /* max channels */
 751         unsigned int sig_bits;          /* number of bits of content */
 752 };
 753
 754 /* SoC audio ops */
 755 struct snd_soc_ops {
 756         int (*startup)(struct snd_pcm_substream *);
 757         void (*shutdown)(struct snd_pcm_substream *);
 758         int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 759         int (*hw_free)(struct snd_pcm_substream *);
 760         int (*prepare)(struct snd_pcm_substream *);
 761         int (*trigger)(struct snd_pcm_substream *, int);
 762 };
 763
 764 struct snd_soc_compr_ops {
 765         int (*startup)(struct snd_compr_stream *);
 766         void (*shutdown)(struct snd_compr_stream *);
 767         int (*set_params)(struct snd_compr_stream *);
 768         int (*trigger)(struct snd_compr_stream *);
 769 };
 770
 771 /* component interface */
 772 struct snd_soc_component_driver {
 773         const char *name;
 774
 775         /* Default control and setup, added after probe() is run */
 776         const struct snd_kcontrol_new *controls;
 777         unsigned int num_controls;
 778         const struct snd_soc_dapm_widget *dapm_widgets;
 779         unsigned int num_dapm_widgets;
 780         const struct snd_soc_dapm_route *dapm_routes;
 781         unsigned int num_dapm_routes;
 782
 783         int (*probe)(struct snd_soc_component *);
 784         void (*remove)(struct snd_soc_component *);
 785         int (*suspend)(struct snd_soc_component *);
 786         int (*resume)(struct snd_soc_component *);
 787
 788         /* DT */
 789         int (*of_xlate_dai_name)(struct snd_soc_component *component,
 790                                  struct of_phandle_args *args,
 791                                  const char **dai_name);
 792         void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
 793                 int subseq);
 794         int (*stream_event)(struct snd_soc_component *, int event);
 795
 796         /* probe ordering - for components with runtime dependencies */
 797         int probe_order;
 798         int remove_order;
 799 };
 800
 801 struct snd_soc_component {
 802         const char *name;
 803         int id;
 804         const char *name_prefix;
 805         struct device *dev;
 806         struct snd_soc_card *card;
 807
 808         unsigned int active;
 809
 810         unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
 811         unsigned int registered_as_component:1;
 812         unsigned int auxiliary:1; /* for auxiliary component of the card */
 813         unsigned int suspended:1; /* is in suspend PM state */
 814
 815         struct list_head list;
 816         struct list_head card_list;
 817
 818         struct snd_soc_dai_driver *dai_drv;
 819         int num_dai;
 820
 821         const struct snd_soc_component_driver *driver;
 822
 823         struct list_head dai_list;
 824
 825         int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
 826         int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
 827
 828         struct regmap *regmap;
 829         int val_bytes;
 830
 831         struct mutex io_mutex;
 832
 833         /* attached dynamic objects */
 834         struct list_head dobj_list;
 835
 836 #ifdef CONFIG_DEBUG_FS
 837         struct dentry *debugfs_root;
 838 #endif
 839
 840         /*
 841         * DO NOT use any of the fields below in drivers, they are temporary and
 842         * are going to be removed again soon. If you use them in driver code the
 843         * driver will be marked as BROKEN when these fields are removed.
 844         */
 845
 846         /* Don't use these, use snd_soc_component_get_dapm() */
 847         struct snd_soc_dapm_context dapm;
 848
 849         const struct snd_kcontrol_new *controls;
 850         unsigned int num_controls;
 851         const struct snd_soc_dapm_widget *dapm_widgets;
 852         unsigned int num_dapm_widgets;
 853         const struct snd_soc_dapm_route *dapm_routes;
 854         unsigned int num_dapm_routes;
 855         struct snd_soc_codec *codec;
 856
 857         int (*probe)(struct snd_soc_component *);
 858         void (*remove)(struct snd_soc_component *);
 859         int (*suspend)(struct snd_soc_component *);
 860         int (*resume)(struct snd_soc_component *);
 861
 862         /* machine specific init */
 863         int (*init)(struct snd_soc_component *component);
 864
 865 #ifdef CONFIG_DEBUG_FS
 866         void (*init_debugfs)(struct snd_soc_component *component);
 867         const char *debugfs_prefix;
 868 #endif
 869 };
 870
 871 /* SoC Audio Codec device */
 872 struct snd_soc_codec {
 873         struct device *dev;
 874         const struct snd_soc_codec_driver *driver;
 875
 876         struct list_head list;
 877
 878         /* runtime */
 879         unsigned int cache_bypass:1; /* Suppress access to the cache */
 880         unsigned int cache_init:1; /* codec cache has been initialized */
 881
 882         /* codec IO */
 883         void *control_data; /* codec control (i2c/3wire) data */
 884         hw_write_t hw_write;
 885         void *reg_cache;
 886
 887         /* component */
 888         struct snd_soc_component component;
 889
 890 #ifdef CONFIG_DEBUG_FS
 891         struct dentry *debugfs_reg;
 892 #endif
 893 };
 894
 895 /* codec driver */
 896 struct snd_soc_codec_driver {
 897
 898         /* driver ops */
 899         int (*probe)(struct snd_soc_codec *);
 900         int (*remove)(struct snd_soc_codec *);
 901         int (*suspend)(struct snd_soc_codec *);
 902         int (*resume)(struct snd_soc_codec *);
 903         struct snd_soc_component_driver component_driver;
 904
 905         /* codec wide operations */
 906         int (*set_sysclk)(struct snd_soc_codec *codec,
 907                           int clk_id, int source, unsigned int freq, int dir);
 908         int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
 909                 unsigned int freq_in, unsigned int freq_out);
 910
 911         /* codec IO */
 912         struct regmap *(*get_regmap)(struct device *);
 913         unsigned int (*read)(struct snd_soc_codec *, unsigned int);
 914         int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
 915         unsigned int reg_cache_size;
 916         short reg_cache_step;
 917         short reg_word_size;
 918         const void *reg_cache_default;
 919
 920         /* codec bias level */
 921         int (*set_bias_level)(struct snd_soc_codec *,
 922                               enum snd_soc_bias_level level);
 923         bool idle_bias_off;
 924         bool suspend_bias_off;
 925
 926         void (*seq_notifier)(struct snd_soc_dapm_context *,
 927                              enum snd_soc_dapm_type, int);
 928
 929         bool ignore_pmdown_time;  /* Doesn't benefit from pmdown delay */
 930 };
 931
 932 /* SoC platform interface */
 933 struct snd_soc_platform_driver {
 934
 935         int (*probe)(struct snd_soc_platform *);
 936         int (*remove)(struct snd_soc_platform *);
 937         struct snd_soc_component_driver component_driver;
 938
 939         /* pcm creation and destruction */
 940         int (*pcm_new)(struct snd_soc_pcm_runtime *);
 941         void (*pcm_free)(struct snd_pcm *);
 942
 943         /*
 944          * For platform caused delay reporting.
 945          * Optional.
 946          */
 947         snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
 948                 struct snd_soc_dai *);
 949
 950         /* platform stream pcm ops */
 951         const struct snd_pcm_ops *ops;
 952
 953         /* platform stream compress ops */
 954         const struct snd_compr_ops *compr_ops;
 955
 956         int (*bespoke_trigger)(struct snd_pcm_substream *, int);
 957 };
 958
 959 struct snd_soc_dai_link_component {
 960         const char *name;
 961         struct device_node *of_node;
 962         const char *dai_name;
 963 };
 964
 965 struct snd_soc_platform {
 966         struct device *dev;
 967         const struct snd_soc_platform_driver *driver;
 968
 969         struct list_head list;
 970
 971         struct snd_soc_component component;
 972 };
 973
 974 struct snd_soc_dai_link {
 975         /* config - must be set by machine driver */
 976         const char *name;                       /* Codec name */
 977         const char *stream_name;                /* Stream name */
 978         /*
 979          * You MAY specify the link's CPU-side device, either by device name,
 980          * or by DT/OF node, but not both. If this information is omitted,
 981          * the CPU-side DAI is matched using .cpu_dai_name only, which hence
 982          * must be globally unique. These fields are currently typically used
 983          * only for codec to codec links, or systems using device tree.
 984          */
 985         const char *cpu_name;
 986         struct device_node *cpu_of_node;
 987         /*
 988          * You MAY specify the DAI name of the CPU DAI. If this information is
 989          * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
 990          * only, which only works well when that device exposes a single DAI.
 991          */
 992         const char *cpu_dai_name;
 993         /*
 994          * You MUST specify the link's codec, either by device name, or by
 995          * DT/OF node, but not both.
 996          */
 997         const char *codec_name;
 998         struct device_node *codec_of_node;
 999         /* You MUST specify the DAI name within the codec */
1000         const char *codec_dai_name;
1001
1002         struct snd_soc_dai_link_component *codecs;
1003         unsigned int num_codecs;
1004
1005         /*
1006          * You MAY specify the link's platform/PCM/DMA driver, either by
1007          * device name, or by DT/OF node, but not both. Some forms of link
1008          * do not need a platform.
1009          */
1010         const char *platform_name;
1011         struct device_node *platform_of_node;
1012         int id; /* optional ID for machine driver link identification */
1013
1014         const struct snd_soc_pcm_stream *params;
1015         unsigned int num_params;
1016
1017         unsigned int dai_fmt;           /* format to set on init */
1018
1019         enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1020
1021         /* codec/machine specific init - e.g. add machine controls */
1022         int (*init)(struct snd_soc_pcm_runtime *rtd);
1023
1024         /* optional hw_params re-writing for BE and FE sync */
1025         int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1026                         struct snd_pcm_hw_params *params);
1027
1028         /* machine stream operations */
1029         const struct snd_soc_ops *ops;
1030         const struct snd_soc_compr_ops *compr_ops;
1031
1032         /* Mark this pcm with non atomic ops */
1033         bool nonatomic;
1034
1035         /* For unidirectional dai links */
1036         unsigned int playback_only:1;
1037         unsigned int capture_only:1;
1038
1039         /* Keep DAI active over suspend */
1040         unsigned int ignore_suspend:1;
1041
1042         /* Symmetry requirements */
1043         unsigned int symmetric_rates:1;
1044         unsigned int symmetric_channels:1;
1045         unsigned int symmetric_samplebits:1;
1046
1047         /* Do not create a PCM for this DAI link (Backend link) */
1048         unsigned int no_pcm:1;
1049
1050         /* This DAI link can route to other DAI links at runtime (Frontend)*/
1051         unsigned int dynamic:1;
1052
1053         /* DPCM capture and Playback support */
1054         unsigned int dpcm_capture:1;
1055         unsigned int dpcm_playback:1;
1056
1057         /* DPCM used FE & BE merged format */
1058         unsigned int dpcm_merged_format:1;
1059
1060         /* pmdown_time is ignored at stop */
1061         unsigned int ignore_pmdown_time:1;
1062
1063         struct list_head list; /* DAI link list of the soc card */
1064         struct snd_soc_dobj dobj; /* For topology */
1065 };
1066
1067 struct snd_soc_codec_conf {
1068         /*
1069          * specify device either by device name, or by
1070          * DT/OF node, but not both.
1071          */
1072         const char *dev_name;
1073         struct device_node *of_node;
1074
1075         /*
1076          * optional map of kcontrol, widget and path name prefixes that are
1077          * associated per device
1078          */
1079         const char *name_prefix;
1080 };
1081
1082 struct snd_soc_aux_dev {
1083         const char *name;               /* Codec name */
1084
1085         /*
1086          * specify multi-codec either by device name, or by
1087          * DT/OF node, but not both.
1088          */
1089         const char *codec_name;
1090         struct device_node *codec_of_node;
1091
1092         /* codec/machine specific init - e.g. add machine controls */
1093         int (*init)(struct snd_soc_component *component);
1094 };
1095
1096 /* SoC card */
1097 struct snd_soc_card {
1098         const char *name;
1099         const char *long_name;
1100         const char *driver_name;
1101         struct device *dev;
1102         struct snd_card *snd_card;
1103         struct module *owner;
1104
1105         struct mutex mutex;
1106         struct mutex dapm_mutex;
1107
1108         bool instantiated;
1109
1110         int (*probe)(struct snd_soc_card *card);
1111         int (*late_probe)(struct snd_soc_card *card);
1112         int (*remove)(struct snd_soc_card *card);
1113
1114         /* the pre and post PM functions are used to do any PM work before and
1115          * after the codec and DAI's do any PM work. */
1116         int (*suspend_pre)(struct snd_soc_card *card);
1117         int (*suspend_post)(struct snd_soc_card *card);
1118         int (*resume_pre)(struct snd_soc_card *card);
1119         int (*resume_post)(struct snd_soc_card *card);
1120
1121         /* callbacks */
1122         int (*set_bias_level)(struct snd_soc_card *,
1123                               struct snd_soc_dapm_context *dapm,
1124                               enum snd_soc_bias_level level);
1125         int (*set_bias_level_post)(struct snd_soc_card *,
1126                                    struct snd_soc_dapm_context *dapm,
1127                                    enum snd_soc_bias_level level);
1128
1129         int (*add_dai_link)(struct snd_soc_card *,
1130                             struct snd_soc_dai_link *link);
1131         void (*remove_dai_link)(struct snd_soc_card *,
1132                             struct snd_soc_dai_link *link);
1133
1134         long pmdown_time;
1135
1136         /* CPU <--> Codec DAI links  */
1137         struct snd_soc_dai_link *dai_link;  /* predefined links only */
1138         int num_links;  /* predefined links only */
1139         struct list_head dai_link_list; /* all links */
1140         int num_dai_links;
1141
1142         struct list_head rtd_list;
1143         int num_rtd;
1144
1145         /* optional codec specific configuration */
1146         struct snd_soc_codec_conf *codec_conf;
1147         int num_configs;
1148
1149         /*
1150          * optional auxiliary devices such as amplifiers or codecs with DAI
1151          * link unused
1152          */
1153         struct snd_soc_aux_dev *aux_dev;
1154         int num_aux_devs;
1155
1156         const struct snd_kcontrol_new *controls;
1157         int num_controls;
1158
1159         /*
1160          * Card-specific routes and widgets.
1161          * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1162          */
1163         const struct snd_soc_dapm_widget *dapm_widgets;
1164         int num_dapm_widgets;
1165         const struct snd_soc_dapm_route *dapm_routes;
1166         int num_dapm_routes;
1167         const struct snd_soc_dapm_widget *of_dapm_widgets;
1168         int num_of_dapm_widgets;
1169         const struct snd_soc_dapm_route *of_dapm_routes;
1170         int num_of_dapm_routes;
1171         bool fully_routed;
1172
1173         struct work_struct deferred_resume_work;
1174
1175         /* lists of probed devices belonging to this card */
1176         struct list_head component_dev_list;
1177
1178         struct list_head widgets;
1179         struct list_head paths;
1180         struct list_head dapm_list;
1181         struct list_head dapm_dirty;
1182
1183         /* attached dynamic objects */
1184         struct list_head dobj_list;
1185
1186         /* Generic DAPM context for the card */
1187         struct snd_soc_dapm_context dapm;
1188         struct snd_soc_dapm_stats dapm_stats;
1189         struct snd_soc_dapm_update *update;
1190
1191 #ifdef CONFIG_DEBUG_FS
1192         struct dentry *debugfs_card_root;
1193         struct dentry *debugfs_pop_time;
1194 #endif
1195         u32 pop_time;
1196
1197         void *drvdata;
1198 };
1199
1200 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1201 struct snd_soc_pcm_runtime {
1202         struct device *dev;
1203         struct snd_soc_card *card;
1204         struct snd_soc_dai_link *dai_link;
1205         struct mutex pcm_mutex;
1206         enum snd_soc_pcm_subclass pcm_subclass;
1207         struct snd_pcm_ops ops;
1208
1209         /* Dynamic PCM BE runtime data */
1210         struct snd_soc_dpcm_runtime dpcm[2];
1211         int fe_compr;
1212
1213         long pmdown_time;
1214
1215         /* runtime devices */
1216         struct snd_pcm *pcm;
1217         struct snd_compr *compr;
1218         struct snd_soc_codec *codec;
1219         struct snd_soc_platform *platform;
1220         struct snd_soc_dai *codec_dai;
1221         struct snd_soc_dai *cpu_dai;
1222
1223         struct snd_soc_dai **codec_dais;
1224         unsigned int num_codecs;
1225
1226         struct delayed_work delayed_work;
1227 #ifdef CONFIG_DEBUG_FS
1228         struct dentry *debugfs_dpcm_root;
1229         struct dentry *debugfs_dpcm_state;
1230 #endif
1231
1232         unsigned int num; /* 0-based and monotonic increasing */
1233         struct list_head list; /* rtd list of the soc card */
1234
1235         /* bit field */
1236         unsigned int dev_registered:1;
1237         unsigned int pop_wait:1;
1238 };
1239
1240 /* mixer control */
1241 struct soc_mixer_control {
1242         int min, max, platform_max;
1243         int reg, rreg;
1244         unsigned int shift, rshift;
1245         unsigned int sign_bit;
1246         unsigned int invert:1;
1247         unsigned int autodisable:1;
1248         struct snd_soc_dobj dobj;
1249 };
1250
1251 struct soc_bytes {
1252         int base;
1253         int num_regs;
1254         u32 mask;
1255 };
1256
1257 struct soc_bytes_ext {
1258         int max;
1259         struct snd_soc_dobj dobj;
1260
1261         /* used for TLV byte control */
1262         int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1263                         unsigned int size);
1264         int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1265                         unsigned int size);
1266 };
1267
1268 /* multi register control */
1269 struct soc_mreg_control {
1270         long min, max;
1271         unsigned int regbase, regcount, nbits, invert;
1272 };
1273
1274 /* enumerated kcontrol */
1275 struct soc_enum {
1276         int reg;
1277         unsigned char shift_l;
1278         unsigned char shift_r;
1279         unsigned int items;
1280         unsigned int mask;
1281         const char * const *texts;
1282         const unsigned int *values;
1283         unsigned int autodisable:1;
1284         struct snd_soc_dobj dobj;
1285 };
1286
1287 /**
1288  * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1289  * @component: The component to cast to a CODEC
1290  *
1291  * This function must only be used on components that are known to be CODECs.
1292  * Otherwise the behavior is undefined.
1293  */
1294 static inline struct snd_soc_codec *snd_soc_component_to_codec(
1295         struct snd_soc_component *component)
1296 {
1297         return container_of(component, struct snd_soc_codec, component);
1298 }
1299
1300 /**
1301  * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1302  * @component: The component to cast to a platform
1303  *
1304  * This function must only be used on components that are known to be platforms.
1305  * Otherwise the behavior is undefined.
1306  */
1307 static inline struct snd_soc_platform *snd_soc_component_to_platform(
1308         struct snd_soc_component *component)
1309 {
1310         return container_of(component, struct snd_soc_platform, component);
1311 }
1312
1313 /**
1314  * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1315  *  embedded in
1316  * @dapm: The DAPM context to cast to the component
1317  *
1318  * This function must only be used on DAPM contexts that are known to be part of
1319  * a component (e.g. in a component driver). Otherwise the behavior is
1320  * undefined.
1321  */
1322 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1323         struct snd_soc_dapm_context *dapm)
1324 {
1325         return container_of(dapm, struct snd_soc_component, dapm);
1326 }
1327
1328 /**
1329  * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1330  * @dapm: The DAPM context to cast to the CODEC
1331  *
1332  * This function must only be used on DAPM contexts that are known to be part of
1333  * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1334  */
1335 static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1336         struct snd_soc_dapm_context *dapm)
1337 {
1338         return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1339 }
1340
1341 /**
1342  * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1343  *  embedded in
1344  * @dapm: The DAPM context to cast to the platform.
1345  *
1346  * This function must only be used on DAPM contexts that are known to be part of
1347  * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1348  */
1349 static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1350         struct snd_soc_dapm_context *dapm)
1351 {
1352         return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1353 }
1354
1355 /**
1356  * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1357  *  component
1358  * @component: The component for which to get the DAPM context
1359  */
1360 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1361         struct snd_soc_component *component)
1362 {
1363         return &component->dapm;
1364 }
1365
1366 /**
1367  * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1368  * @codec: The CODEC for which to get the DAPM context
1369  *
1370  * Note: Use this function instead of directly accessing the CODEC's dapm field
1371  */
1372 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1373         struct snd_soc_codec *codec)
1374 {
1375         return snd_soc_component_get_dapm(&codec->component);
1376 }
1377
1378 /**
1379  * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1380  * @codec: The CODEC for which to initialize the DAPM bias level
1381  * @level: The DAPM level to initialize to
1382  *
1383  * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1384  */
1385 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1386         enum snd_soc_bias_level level)
1387 {
1388         snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1389 }
1390
1391 /**
1392  * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1393  * @codec: The CODEC for which to get the DAPM bias level
1394  *
1395  * Returns: The current DAPM bias level of the CODEC.
1396  */
1397 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1398         struct snd_soc_codec *codec)
1399 {
1400         return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1401 }
1402
1403 /**
1404  * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1405  * @codec: The CODEC for which to set the level
1406  * @level: The level to set to
1407  *
1408  * Forces the CODEC bias level to a specific state. See
1409  * snd_soc_dapm_force_bias_level().
1410  */
1411 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1412         enum snd_soc_bias_level level)
1413 {
1414         return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1415                 level);
1416 }
1417
1418 /**
1419  * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1420  * @kcontrol: The kcontrol
1421  *
1422  * This function must only be used on DAPM contexts that are known to be part of
1423  * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1424  */
1425 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1426         struct snd_kcontrol *kcontrol)
1427 {
1428         return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1429 }
1430
1431 /* codec IO */
1432 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1433 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1434         unsigned int val);
1435
1436 /**
1437  * snd_soc_cache_sync() - Sync the register cache with the hardware
1438  * @codec: CODEC to sync
1439  *
1440  * Note: This function will call regcache_sync()
1441  */
1442 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1443 {
1444         return regcache_sync(codec->component.regmap);
1445 }
1446
1447 /* component IO */
1448 int snd_soc_component_read(struct snd_soc_component *component,
1449         unsigned int reg, unsigned int *val);
1450 int snd_soc_component_write(struct snd_soc_component *component,
1451         unsigned int reg, unsigned int val);
1452 int snd_soc_component_update_bits(struct snd_soc_component *component,
1453         unsigned int reg, unsigned int mask, unsigned int val);
1454 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1455         unsigned int reg, unsigned int mask, unsigned int val);
1456 void snd_soc_component_async_complete(struct snd_soc_component *component);
1457 int snd_soc_component_test_bits(struct snd_soc_component *component,
1458         unsigned int reg, unsigned int mask, unsigned int value);
1459
1460 #ifdef CONFIG_REGMAP
1461
1462 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1463         struct regmap *regmap);
1464 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1465
1466 /**
1467  * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1468  * @codec: The CODEC for which to initialize the regmap instance
1469  * @regmap: The regmap instance that should be used by the CODEC
1470  *
1471  * This function allows deferred assignment of the regmap instance that is
1472  * associated with the CODEC. Only use this if the regmap instance is not yet
1473  * ready when the CODEC is registered. The function must also be called before
1474  * the first IO attempt of the CODEC.
1475  */
1476 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1477         struct regmap *regmap)
1478 {
1479         snd_soc_component_init_regmap(&codec->component, regmap);
1480 }
1481
1482 /**
1483  * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1484  * @codec: The CODEC for which to de-initialize the regmap instance
1485  *
1486  * Calls regmap_exit() on the regmap instance associated to the CODEC and
1487  * removes the regmap instance from the CODEC.
1488  *
1489  * This function should only be used if snd_soc_codec_init_regmap() was used to
1490  * initialize the regmap instance.
1491  */
1492 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1493 {
1494         snd_soc_component_exit_regmap(&codec->component);
1495 }
1496
1497 #endif
1498
1499 /* device driver data */
1500
1501 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1502                 void *data)
1503 {
1504         card->drvdata = data;
1505 }
1506
1507 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1508 {
1509         return card->drvdata;
1510 }
1511
1512 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1513                 void *data)
1514 {
1515         dev_set_drvdata(c->dev, data);
1516 }
1517
1518 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1519 {
1520         return dev_get_drvdata(c->dev);
1521 }
1522
1523 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1524                 void *data)
1525 {
1526         snd_soc_component_set_drvdata(&codec->component, data);
1527 }
1528
1529 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1530 {
1531         return snd_soc_component_get_drvdata(&codec->component);
1532 }
1533
1534 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1535                 void *data)
1536 {
1537         snd_soc_component_set_drvdata(&platform->component, data);
1538 }
1539
1540 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1541 {
1542         return snd_soc_component_get_drvdata(&platform->component);
1543 }
1544
1545 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1546 {
1547         INIT_LIST_HEAD(&card->widgets);
1548         INIT_LIST_HEAD(&card->paths);
1549         INIT_LIST_HEAD(&card->dapm_list);
1550         INIT_LIST_HEAD(&card->component_dev_list);
1551 }
1552
1553 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1554 {
1555         if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1556                 return 0;
1557         /*
1558          * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1559          * mc->reg != mc->rreg means that the control is
1560          * stereo (bits in one register or in two registers)
1561          */
1562         return 1;
1563 }
1564
1565 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1566         unsigned int val)
1567 {
1568         unsigned int i;
1569
1570         if (!e->values)
1571                 return val;
1572
1573         for (i = 0; i < e->items; i++)
1574                 if (val == e->values[i])
1575                         return i;
1576
1577         return 0;
1578 }
1579
1580 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1581         unsigned int item)
1582 {
1583         if (!e->values)
1584                 return item;
1585
1586         return e->values[item];
1587 }
1588
1589 static inline bool snd_soc_component_is_active(
1590         struct snd_soc_component *component)
1591 {
1592         return component->active != 0;
1593 }
1594
1595 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1596 {
1597         return snd_soc_component_is_active(&codec->component);
1598 }
1599
1600 /**
1601  * snd_soc_kcontrol_component() - Returns the component that registered the
1602  *  control
1603  * @kcontrol: The control for which to get the component
1604  *
1605  * Note: This function will work correctly if the control has been registered
1606  * for a component. Either with snd_soc_add_codec_controls() or
1607  * snd_soc_add_platform_controls() or via  table based setup for either a
1608  * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1609  */
1610 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1611         struct snd_kcontrol *kcontrol)
1612 {
1613         return snd_kcontrol_chip(kcontrol);
1614 }
1615
1616 /**
1617  * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1618  * @kcontrol: The control for which to get the CODEC
1619  *
1620  * Note: This function will only work correctly if the control has been
1621  * registered with snd_soc_add_codec_controls() or via table based setup of
1622  * snd_soc_codec_driver. Otherwise the behavior is undefined.
1623  */
1624 static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1625         struct snd_kcontrol *kcontrol)
1626 {
1627         return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1628 }
1629
1630 /**
1631  * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1632  * @kcontrol: The control for which to get the platform
1633  *
1634  * Note: This function will only work correctly if the control has been
1635  * registered with snd_soc_add_platform_controls() or via table based setup of
1636  * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1637  */
1638 static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1639         struct snd_kcontrol *kcontrol)
1640 {
1641         return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1642 }
1643
1644 int snd_soc_util_init(void);
1645 void snd_soc_util_exit(void);
1646
1647 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1648                                const char *propname);
1649 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1650                                           const char *propname);
1651 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1652                               unsigned int *tx_mask,
1653                               unsigned int *rx_mask,
1654                               unsigned int *slots,
1655                               unsigned int *slot_width);
1656 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1657                                    struct snd_soc_codec_conf *codec_conf,
1658                                    struct device_node *of_node,
1659                                    const char *propname);
1660 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1661                                    const char *propname);
1662 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1663                                      const char *prefix,
1664                                      struct device_node **bitclkmaster,
1665                                      struct device_node **framemaster);
1666 int snd_soc_of_get_dai_name(struct device_node *of_node,
1667                             const char **dai_name);
1668 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1669                                    struct device_node *of_node,
1670                                    struct snd_soc_dai_link *dai_link);
1671
1672 int snd_soc_add_dai_link(struct snd_soc_card *card,
1673                                 struct snd_soc_dai_link *dai_link);
1674 void snd_soc_remove_dai_link(struct snd_soc_card *card,
1675                              struct snd_soc_dai_link *dai_link);
1676
1677 int snd_soc_register_dai(struct snd_soc_component *component,
1678         struct snd_soc_dai_driver *dai_drv);
1679
1680 struct snd_soc_dai *snd_soc_find_dai(
1681         const struct snd_soc_dai_link_component *dlc);
1682
1683 #include <sound/soc-dai.h>
1684
1685 #ifdef CONFIG_DEBUG_FS
1686 extern struct dentry *snd_soc_debugfs_root;
1687 #endif
1688
1689 extern const struct dev_pm_ops snd_soc_pm_ops;
1690
1691 /* Helper functions */
1692 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1693 {
1694         mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1695 }
1696
1697 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1698 {
1699         mutex_unlock(&dapm->card->dapm_mutex);
1700 }
1701
1702 int snd_soc_component_enable_pin(struct snd_soc_component *component,
1703                                  const char *pin);
1704 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1705                                           const char *pin);
1706 int snd_soc_component_disable_pin(struct snd_soc_component *component,
1707                                   const char *pin);
1708 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1709                                            const char *pin);
1710 int snd_soc_component_nc_pin(struct snd_soc_component *component,
1711                              const char *pin);
1712 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1713                                       const char *pin);
1714 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1715                                      const char *pin);
1716 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1717                                        const char *pin);
1718 int snd_soc_component_force_enable_pin_unlocked(
1719                                         struct snd_soc_component *component,
1720                                         const char *pin);
1721
1722 #endif