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_dai_link;
 405 struct snd_soc_component;
 406 struct snd_soc_component_driver;
 407 struct soc_enum;
 408 struct snd_soc_jack;
 409 struct snd_soc_jack_zone;
 410 struct snd_soc_jack_pin;
 411 #include <sound/soc-dapm.h>
 412 #include <sound/soc-dpcm.h>
 413 #include <sound/soc-topology.h>
 414
 415 struct snd_soc_jack_gpio;
 416
 417 typedef int (*hw_write_t)(void *,const char* ,int);
 418
 419 enum snd_soc_pcm_subclass {
 420         SND_SOC_PCM_CLASS_PCM   = 0,
 421         SND_SOC_PCM_CLASS_BE    = 1,
 422 };
 423
 424 enum snd_soc_card_subclass {
 425         SND_SOC_CARD_CLASS_INIT         = 0,
 426         SND_SOC_CARD_CLASS_RUNTIME      = 1,
 427 };
 428
 429 int snd_soc_register_card(struct snd_soc_card *card);
 430 int snd_soc_unregister_card(struct snd_soc_card *card);
 431 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
 432 #ifdef CONFIG_PM_SLEEP
 433 int snd_soc_suspend(struct device *dev);
 434 int snd_soc_resume(struct device *dev);
 435 #else
 436 static inline int snd_soc_suspend(struct device *dev)
 437 {
 438         return 0;
 439 }
 440
 441 static inline int snd_soc_resume(struct device *dev)
 442 {
 443         return 0;
 444 }
 445 #endif
 446 int snd_soc_poweroff(struct device *dev);
 447 int snd_soc_add_component(struct device *dev,
 448                 struct snd_soc_component *component,
 449                 const struct snd_soc_component_driver *component_driver,
 450                 struct snd_soc_dai_driver *dai_drv,
 451                 int num_dai);
 452 int snd_soc_register_component(struct device *dev,
 453                          const struct snd_soc_component_driver *component_driver,
 454                          struct snd_soc_dai_driver *dai_drv, int num_dai);
 455 int devm_snd_soc_register_component(struct device *dev,
 456                          const struct snd_soc_component_driver *component_driver,
 457                          struct snd_soc_dai_driver *dai_drv, int num_dai);
 458 void snd_soc_unregister_component(struct device *dev);
 459 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 460                                                    const char *driver_name);
 461
 462 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 463 #ifdef CONFIG_SND_SOC_COMPRESS
 464 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
 465 #else
 466 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 467 {
 468         return 0;
 469 }
 470 #endif
 471
 472 void snd_soc_disconnect_sync(struct device *dev);
 473
 474 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
 475                 const char *dai_link, int stream);
 476 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 477                 const char *dai_link);
 478
 479 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 480 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
 481 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
 482
 483 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 484         unsigned int dai_fmt);
 485
 486 #ifdef CONFIG_DMI
 487 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
 488 #else
 489 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
 490                                        const char *flavour)
 491 {
 492         return 0;
 493 }
 494 #endif
 495
 496 /* Utility functions to get clock rates from various things */
 497 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
 498 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
 499 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 500 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
 501
 502 /* set runtime hw params */
 503 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 504         const struct snd_pcm_hardware *hw);
 505
 506 int soc_dai_hw_params(struct snd_pcm_substream *substream,
 507                       struct snd_pcm_hw_params *params,
 508                       struct snd_soc_dai *dai);
 509
 510 /* Jack reporting */
 511 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
 512         struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
 513         unsigned int num_pins);
 514
 515 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 516 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 517                           struct snd_soc_jack_pin *pins);
 518 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
 519                                     struct notifier_block *nb);
 520 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
 521                                       struct notifier_block *nb);
 522 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
 523                           struct snd_soc_jack_zone *zones);
 524 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
 525 #ifdef CONFIG_GPIOLIB
 526 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 527                         struct snd_soc_jack_gpio *gpios);
 528 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 529                             struct snd_soc_jack *jack,
 530                             int count, struct snd_soc_jack_gpio *gpios);
 531 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 532                         struct snd_soc_jack_gpio *gpios);
 533 #else
 534 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 535                                          struct snd_soc_jack_gpio *gpios)
 536 {
 537         return 0;
 538 }
 539
 540 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 541                                           struct snd_soc_jack *jack,
 542                                           int count,
 543                                           struct snd_soc_jack_gpio *gpios)
 544 {
 545         return 0;
 546 }
 547
 548 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 549                                            struct snd_soc_jack_gpio *gpios)
 550 {
 551 }
 552 #endif
 553
 554 #ifdef CONFIG_SND_SOC_AC97_BUS
 555 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
 556 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
 557         unsigned int id, unsigned int id_mask);
 558 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
 559
 560 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 561 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 562                 struct platform_device *pdev);
 563
 564 extern struct snd_ac97_bus_ops *soc_ac97_ops;
 565 #else
 566 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 567         struct platform_device *pdev)
 568 {
 569         return 0;
 570 }
 571
 572 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
 573 {
 574         return 0;
 575 }
 576 #endif
 577
 578 /*
 579  *Controls
 580  */
 581 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 582                                   void *data, const char *long_name,
 583                                   const char *prefix);
 584 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 585                                                const char *name);
 586 int snd_soc_add_component_controls(struct snd_soc_component *component,
 587         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 588 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 589         const struct snd_kcontrol_new *controls, int num_controls);
 590 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
 591         const struct snd_kcontrol_new *controls, int num_controls);
 592 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 593         struct snd_ctl_elem_info *uinfo);
 594 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 595         struct snd_ctl_elem_value *ucontrol);
 596 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 597         struct snd_ctl_elem_value *ucontrol);
 598 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 599         struct snd_ctl_elem_info *uinfo);
 600 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
 601                           struct snd_ctl_elem_info *uinfo);
 602 #define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 603 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 604         struct snd_ctl_elem_value *ucontrol);
 605 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 606         struct snd_ctl_elem_value *ucontrol);
 607 #define snd_soc_get_volsw_2r snd_soc_get_volsw
 608 #define snd_soc_put_volsw_2r snd_soc_put_volsw
 609 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
 610         struct snd_ctl_elem_value *ucontrol);
 611 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 612         struct snd_ctl_elem_value *ucontrol);
 613 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
 614         struct snd_ctl_elem_info *uinfo);
 615 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 616         struct snd_ctl_elem_value *ucontrol);
 617 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 618         struct snd_ctl_elem_value *ucontrol);
 619 int snd_soc_limit_volume(struct snd_soc_card *card,
 620         const char *name, int max);
 621 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
 622                        struct snd_ctl_elem_info *uinfo);
 623 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
 624                       struct snd_ctl_elem_value *ucontrol);
 625 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
 626                       struct snd_ctl_elem_value *ucontrol);
 627 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 628         struct snd_ctl_elem_info *ucontrol);
 629 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 630         unsigned int size, unsigned int __user *tlv);
 631 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
 632         struct snd_ctl_elem_info *uinfo);
 633 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 634         struct snd_ctl_elem_value *ucontrol);
 635 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 636         struct snd_ctl_elem_value *ucontrol);
 637 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
 638         struct snd_ctl_elem_value *ucontrol);
 639 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
 640         struct snd_ctl_elem_value *ucontrol);
 641
 642 /**
 643  * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 644  *
 645  * @pin:    name of the pin to update
 646  * @mask:   bits to check for in reported jack status
 647  * @invert: if non-zero then pin is enabled when status is not reported
 648  * @list:   internal list entry
 649  */
 650 struct snd_soc_jack_pin {
 651         struct list_head list;
 652         const char *pin;
 653         int mask;
 654         bool invert;
 655 };
 656
 657 /**
 658  * struct snd_soc_jack_zone - Describes voltage zones of jack detection
 659  *
 660  * @min_mv: start voltage in mv
 661  * @max_mv: end voltage in mv
 662  * @jack_type: type of jack that is expected for this voltage
 663  * @debounce_time: debounce_time for jack, codec driver should wait for this
 664  *              duration before reading the adc for voltages
 665  * @list:   internal list entry
 666  */
 667 struct snd_soc_jack_zone {
 668         unsigned int min_mv;
 669         unsigned int max_mv;
 670         unsigned int jack_type;
 671         unsigned int debounce_time;
 672         struct list_head list;
 673 };
 674
 675 /**
 676  * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 677  *
 678  * @gpio:         legacy gpio number
 679  * @idx:          gpio descriptor index within the function of the GPIO
 680  *                consumer device
 681  * @gpiod_dev:    GPIO consumer device
 682  * @name:         gpio name. Also as connection ID for the GPIO consumer
 683  *                device function name lookup
 684  * @report:       value to report when jack detected
 685  * @invert:       report presence in low state
 686  * @debounce_time: debounce time in ms
 687  * @wake:         enable as wake source
 688  * @jack_status_check: callback function which overrides the detection
 689  *                     to provide more complex checks (eg, reading an
 690  *                     ADC).
 691  */
 692 struct snd_soc_jack_gpio {
 693         unsigned int gpio;
 694         unsigned int idx;
 695         struct device *gpiod_dev;
 696         const char *name;
 697         int report;
 698         int invert;
 699         int debounce_time;
 700         bool wake;
 701
 702         /* private: */
 703         struct snd_soc_jack *jack;
 704         struct delayed_work work;
 705         struct notifier_block pm_notifier;
 706         struct gpio_desc *desc;
 707
 708         void *data;
 709         /* public: */
 710         int (*jack_status_check)(void *data);
 711 };
 712
 713 struct snd_soc_jack {
 714         struct mutex mutex;
 715         struct snd_jack *jack;
 716         struct snd_soc_card *card;
 717         struct list_head pins;
 718         int status;
 719         struct blocking_notifier_head notifier;
 720         struct list_head jack_zones;
 721 };
 722
 723 /* SoC PCM stream information */
 724 struct snd_soc_pcm_stream {
 725         const char *stream_name;
 726         u64 formats;                    /* SNDRV_PCM_FMTBIT_* */
 727         unsigned int rates;             /* SNDRV_PCM_RATE_* */
 728         unsigned int rate_min;          /* min rate */
 729         unsigned int rate_max;          /* max rate */
 730         unsigned int channels_min;      /* min channels */
 731         unsigned int channels_max;      /* max channels */
 732         unsigned int sig_bits;          /* number of bits of content */
 733 };
 734
 735 /* SoC audio ops */
 736 struct snd_soc_ops {
 737         int (*startup)(struct snd_pcm_substream *);
 738         void (*shutdown)(struct snd_pcm_substream *);
 739         int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 740         int (*hw_free)(struct snd_pcm_substream *);
 741         int (*prepare)(struct snd_pcm_substream *);
 742         int (*trigger)(struct snd_pcm_substream *, int);
 743 };
 744
 745 struct snd_soc_compr_ops {
 746         int (*startup)(struct snd_compr_stream *);
 747         void (*shutdown)(struct snd_compr_stream *);
 748         int (*set_params)(struct snd_compr_stream *);
 749         int (*trigger)(struct snd_compr_stream *);
 750 };
 751
 752 /* component interface */
 753 struct snd_soc_component_driver {
 754         const char *name;
 755
 756         /* Default control and setup, added after probe() is run */
 757         const struct snd_kcontrol_new *controls;
 758         unsigned int num_controls;
 759         const struct snd_soc_dapm_widget *dapm_widgets;
 760         unsigned int num_dapm_widgets;
 761         const struct snd_soc_dapm_route *dapm_routes;
 762         unsigned int num_dapm_routes;
 763
 764         int (*probe)(struct snd_soc_component *);
 765         void (*remove)(struct snd_soc_component *);
 766         int (*suspend)(struct snd_soc_component *);
 767         int (*resume)(struct snd_soc_component *);
 768
 769         unsigned int (*read)(struct snd_soc_component *, unsigned int);
 770         int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
 771
 772         /* pcm creation and destruction */
 773         int (*pcm_new)(struct snd_soc_pcm_runtime *);
 774         void (*pcm_free)(struct snd_pcm *);
 775
 776         /* component wide operations */
 777         int (*set_sysclk)(struct snd_soc_component *component,
 778                           int clk_id, int source, unsigned int freq, int dir);
 779         int (*set_pll)(struct snd_soc_component *component, int pll_id,
 780                        int source, unsigned int freq_in, unsigned int freq_out);
 781         int (*set_jack)(struct snd_soc_component *component,
 782                         struct snd_soc_jack *jack,  void *data);
 783
 784         /* DT */
 785         int (*of_xlate_dai_name)(struct snd_soc_component *component,
 786                                  struct of_phandle_args *args,
 787                                  const char **dai_name);
 788         int (*of_xlate_dai_id)(struct snd_soc_component *comment,
 789                                struct device_node *endpoint);
 790         void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
 791                 int subseq);
 792         int (*stream_event)(struct snd_soc_component *, int event);
 793         int (*set_bias_level)(struct snd_soc_component *component,
 794                               enum snd_soc_bias_level level);
 795
 796         const struct snd_pcm_ops *ops;
 797         const struct snd_compr_ops *compr_ops;
 798
 799         /* probe ordering - for components with runtime dependencies */
 800         int probe_order;
 801         int remove_order;
 802
 803         /* bits */
 804         unsigned int idle_bias_on:1;
 805         unsigned int suspend_bias_off:1;
 806         unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
 807         unsigned int endianness:1;
 808         unsigned int non_legacy_dai_naming:1;
 809 };
 810
 811 struct snd_soc_component {
 812         const char *name;
 813         int id;
 814         const char *name_prefix;
 815         struct device *dev;
 816         struct snd_soc_card *card;
 817
 818         unsigned int active;
 819
 820         unsigned int suspended:1; /* is in suspend PM state */
 821
 822         struct list_head list;
 823         struct list_head card_aux_list; /* for auxiliary bound components */
 824         struct list_head card_list;
 825
 826         const struct snd_soc_component_driver *driver;
 827
 828         struct list_head dai_list;
 829         int num_dai;
 830
 831         struct regmap *regmap;
 832         int val_bytes;
 833
 834         struct mutex io_mutex;
 835
 836         /* attached dynamic objects */
 837         struct list_head dobj_list;
 838
 839         /*
 840         * DO NOT use any of the fields below in drivers, they are temporary and
 841         * are going to be removed again soon. If you use them in driver code the
 842         * driver will be marked as BROKEN when these fields are removed.
 843         */
 844
 845         /* Don't use these, use snd_soc_component_get_dapm() */
 846         struct snd_soc_dapm_context dapm;
 847
 848         /* machine specific init */
 849         int (*init)(struct snd_soc_component *component);
 850
 851 #ifdef CONFIG_DEBUG_FS
 852         struct dentry *debugfs_root;
 853         const char *debugfs_prefix;
 854 #endif
 855 };
 856
 857 struct snd_soc_rtdcom_list {
 858         struct snd_soc_component *component;
 859         struct list_head list; /* rtd::component_list */
 860 };
 861 struct snd_soc_component*
 862 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
 863                        const char *driver_name);
 864 #define for_each_rtdcom(rtd, rtdcom) \
 865         list_for_each_entry(rtdcom, &(rtd)->component_list, list)
 866 #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
 867         list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
 868
 869 struct snd_soc_dai_link_component {
 870         const char *name;
 871         struct device_node *of_node;
 872         const char *dai_name;
 873 };
 874
 875 struct snd_soc_dai_link {
 876         /* config - must be set by machine driver */
 877         const char *name;                       /* Codec name */
 878         const char *stream_name;                /* Stream name */
 879         /*
 880          * You MAY specify the link's CPU-side device, either by device name,
 881          * or by DT/OF node, but not both. If this information is omitted,
 882          * the CPU-side DAI is matched using .cpu_dai_name only, which hence
 883          * must be globally unique. These fields are currently typically used
 884          * only for codec to codec links, or systems using device tree.
 885          */
 886         const char *cpu_name;
 887         struct device_node *cpu_of_node;
 888         /*
 889          * You MAY specify the DAI name of the CPU DAI. If this information is
 890          * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
 891          * only, which only works well when that device exposes a single DAI.
 892          */
 893         const char *cpu_dai_name;
 894         /*
 895          * You MUST specify the link's codec, either by device name, or by
 896          * DT/OF node, but not both.
 897          */
 898         const char *codec_name;
 899         struct device_node *codec_of_node;
 900         /* You MUST specify the DAI name within the codec */
 901         const char *codec_dai_name;
 902
 903         struct snd_soc_dai_link_component *codecs;
 904         unsigned int num_codecs;
 905
 906         /*
 907          * You MAY specify the link's platform/PCM/DMA driver, either by
 908          * device name, or by DT/OF node, but not both. Some forms of link
 909          * do not need a platform.
 910          */
 911         const char *platform_name;
 912         struct device_node *platform_of_node;
 913         int id; /* optional ID for machine driver link identification */
 914
 915         const struct snd_soc_pcm_stream *params;
 916         unsigned int num_params;
 917
 918         unsigned int dai_fmt;           /* format to set on init */
 919
 920         enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
 921
 922         /* codec/machine specific init - e.g. add machine controls */
 923         int (*init)(struct snd_soc_pcm_runtime *rtd);
 924
 925         /* optional hw_params re-writing for BE and FE sync */
 926         int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
 927                         struct snd_pcm_hw_params *params);
 928
 929         /* machine stream operations */
 930         const struct snd_soc_ops *ops;
 931         const struct snd_soc_compr_ops *compr_ops;
 932
 933         /* Mark this pcm with non atomic ops */
 934         bool nonatomic;
 935
 936         /* For unidirectional dai links */
 937         unsigned int playback_only:1;
 938         unsigned int capture_only:1;
 939
 940         /* Keep DAI active over suspend */
 941         unsigned int ignore_suspend:1;
 942
 943         /* Symmetry requirements */
 944         unsigned int symmetric_rates:1;
 945         unsigned int symmetric_channels:1;
 946         unsigned int symmetric_samplebits:1;
 947
 948         /* Do not create a PCM for this DAI link (Backend link) */
 949         unsigned int no_pcm:1;
 950
 951         /* This DAI link can route to other DAI links at runtime (Frontend)*/
 952         unsigned int dynamic:1;
 953
 954         /* DPCM capture and Playback support */
 955         unsigned int dpcm_capture:1;
 956         unsigned int dpcm_playback:1;
 957
 958         /* DPCM used FE & BE merged format */
 959         unsigned int dpcm_merged_format:1;
 960
 961         /* pmdown_time is ignored at stop */
 962         unsigned int ignore_pmdown_time:1;
 963
 964         struct list_head list; /* DAI link list of the soc card */
 965         struct snd_soc_dobj dobj; /* For topology */
 966 };
 967
 968 struct snd_soc_codec_conf {
 969         /*
 970          * specify device either by device name, or by
 971          * DT/OF node, but not both.
 972          */
 973         const char *dev_name;
 974         struct device_node *of_node;
 975
 976         /*
 977          * optional map of kcontrol, widget and path name prefixes that are
 978          * associated per device
 979          */
 980         const char *name_prefix;
 981 };
 982
 983 struct snd_soc_aux_dev {
 984         const char *name;               /* Codec name */
 985
 986         /*
 987          * specify multi-codec either by device name, or by
 988          * DT/OF node, but not both.
 989          */
 990         const char *codec_name;
 991         struct device_node *codec_of_node;
 992
 993         /* codec/machine specific init - e.g. add machine controls */
 994         int (*init)(struct snd_soc_component *component);
 995 };
 996
 997 /* SoC card */
 998 struct snd_soc_card {
 999         const char *name;
1000         const char *long_name;
1001         const char *driver_name;
1002         char dmi_longname[80];
1003
1004         struct device *dev;
1005         struct snd_card *snd_card;
1006         struct module *owner;
1007
1008         struct mutex mutex;
1009         struct mutex dapm_mutex;
1010
1011         bool instantiated;
1012
1013         int (*probe)(struct snd_soc_card *card);
1014         int (*late_probe)(struct snd_soc_card *card);
1015         int (*remove)(struct snd_soc_card *card);
1016
1017         /* the pre and post PM functions are used to do any PM work before and
1018          * after the codec and DAI's do any PM work. */
1019         int (*suspend_pre)(struct snd_soc_card *card);
1020         int (*suspend_post)(struct snd_soc_card *card);
1021         int (*resume_pre)(struct snd_soc_card *card);
1022         int (*resume_post)(struct snd_soc_card *card);
1023
1024         /* callbacks */
1025         int (*set_bias_level)(struct snd_soc_card *,
1026                               struct snd_soc_dapm_context *dapm,
1027                               enum snd_soc_bias_level level);
1028         int (*set_bias_level_post)(struct snd_soc_card *,
1029                                    struct snd_soc_dapm_context *dapm,
1030                                    enum snd_soc_bias_level level);
1031
1032         int (*add_dai_link)(struct snd_soc_card *,
1033                             struct snd_soc_dai_link *link);
1034         void (*remove_dai_link)(struct snd_soc_card *,
1035                             struct snd_soc_dai_link *link);
1036
1037         long pmdown_time;
1038
1039         /* CPU <--> Codec DAI links  */
1040         struct snd_soc_dai_link *dai_link;  /* predefined links only */
1041         int num_links;  /* predefined links only */
1042         struct list_head dai_link_list; /* all links */
1043         int num_dai_links;
1044
1045         struct list_head rtd_list;
1046         int num_rtd;
1047
1048         /* optional codec specific configuration */
1049         struct snd_soc_codec_conf *codec_conf;
1050         int num_configs;
1051
1052         /*
1053          * optional auxiliary devices such as amplifiers or codecs with DAI
1054          * link unused
1055          */
1056         struct snd_soc_aux_dev *aux_dev;
1057         int num_aux_devs;
1058         struct list_head aux_comp_list;
1059
1060         const struct snd_kcontrol_new *controls;
1061         int num_controls;
1062
1063         /*
1064          * Card-specific routes and widgets.
1065          * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1066          */
1067         const struct snd_soc_dapm_widget *dapm_widgets;
1068         int num_dapm_widgets;
1069         const struct snd_soc_dapm_route *dapm_routes;
1070         int num_dapm_routes;
1071         const struct snd_soc_dapm_widget *of_dapm_widgets;
1072         int num_of_dapm_widgets;
1073         const struct snd_soc_dapm_route *of_dapm_routes;
1074         int num_of_dapm_routes;
1075         bool fully_routed;
1076
1077         struct work_struct deferred_resume_work;
1078
1079         /* lists of probed devices belonging to this card */
1080         struct list_head component_dev_list;
1081
1082         struct list_head widgets;
1083         struct list_head paths;
1084         struct list_head dapm_list;
1085         struct list_head dapm_dirty;
1086
1087         /* attached dynamic objects */
1088         struct list_head dobj_list;
1089
1090         /* Generic DAPM context for the card */
1091         struct snd_soc_dapm_context dapm;
1092         struct snd_soc_dapm_stats dapm_stats;
1093         struct snd_soc_dapm_update *update;
1094
1095 #ifdef CONFIG_DEBUG_FS
1096         struct dentry *debugfs_card_root;
1097         struct dentry *debugfs_pop_time;
1098 #endif
1099         u32 pop_time;
1100
1101         void *drvdata;
1102 };
1103
1104 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1105 struct snd_soc_pcm_runtime {
1106         struct device *dev;
1107         struct snd_soc_card *card;
1108         struct snd_soc_dai_link *dai_link;
1109         struct mutex pcm_mutex;
1110         enum snd_soc_pcm_subclass pcm_subclass;
1111         struct snd_pcm_ops ops;
1112
1113         /* Dynamic PCM BE runtime data */
1114         struct snd_soc_dpcm_runtime dpcm[2];
1115         int fe_compr;
1116
1117         long pmdown_time;
1118
1119         /* runtime devices */
1120         struct snd_pcm *pcm;
1121         struct snd_compr *compr;
1122         struct snd_soc_dai *codec_dai;
1123         struct snd_soc_dai *cpu_dai;
1124
1125         struct snd_soc_dai **codec_dais;
1126         unsigned int num_codecs;
1127
1128         struct delayed_work delayed_work;
1129 #ifdef CONFIG_DEBUG_FS
1130         struct dentry *debugfs_dpcm_root;
1131 #endif
1132
1133         unsigned int num; /* 0-based and monotonic increasing */
1134         struct list_head list; /* rtd list of the soc card */
1135         struct list_head component_list; /* list of connected components */
1136
1137         /* bit field */
1138         unsigned int dev_registered:1;
1139         unsigned int pop_wait:1;
1140 };
1141
1142 /* mixer control */
1143 struct soc_mixer_control {
1144         int min, max, platform_max;
1145         int reg, rreg;
1146         unsigned int shift, rshift;
1147         unsigned int sign_bit;
1148         unsigned int invert:1;
1149         unsigned int autodisable:1;
1150         struct snd_soc_dobj dobj;
1151 };
1152
1153 struct soc_bytes {
1154         int base;
1155         int num_regs;
1156         u32 mask;
1157 };
1158
1159 struct soc_bytes_ext {
1160         int max;
1161         struct snd_soc_dobj dobj;
1162
1163         /* used for TLV byte control */
1164         int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1165                         unsigned int size);
1166         int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1167                         unsigned int size);
1168 };
1169
1170 /* multi register control */
1171 struct soc_mreg_control {
1172         long min, max;
1173         unsigned int regbase, regcount, nbits, invert;
1174 };
1175
1176 /* enumerated kcontrol */
1177 struct soc_enum {
1178         int reg;
1179         unsigned char shift_l;
1180         unsigned char shift_r;
1181         unsigned int items;
1182         unsigned int mask;
1183         const char * const *texts;
1184         const unsigned int *values;
1185         unsigned int autodisable:1;
1186         struct snd_soc_dobj dobj;
1187 };
1188
1189 /**
1190  * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1191  *  embedded in
1192  * @dapm: The DAPM context to cast to the component
1193  *
1194  * This function must only be used on DAPM contexts that are known to be part of
1195  * a component (e.g. in a component driver). Otherwise the behavior is
1196  * undefined.
1197  */
1198 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1199         struct snd_soc_dapm_context *dapm)
1200 {
1201         return container_of(dapm, struct snd_soc_component, dapm);
1202 }
1203
1204 /**
1205  * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1206  *  component
1207  * @component: The component for which to get the DAPM context
1208  */
1209 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1210         struct snd_soc_component *component)
1211 {
1212         return &component->dapm;
1213 }
1214
1215 /**
1216  * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
1217  * @component: The COMPONENT for which to initialize the DAPM bias level
1218  * @level: The DAPM level to initialize to
1219  *
1220  * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
1221  */
1222 static inline void
1223 snd_soc_component_init_bias_level(struct snd_soc_component *component,
1224                                   enum snd_soc_bias_level level)
1225 {
1226         snd_soc_dapm_init_bias_level(
1227                 snd_soc_component_get_dapm(component), level);
1228 }
1229
1230 /**
1231  * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
1232  * @component: The COMPONENT for which to get the DAPM bias level
1233  *
1234  * Returns: The current DAPM bias level of the COMPONENT.
1235  */
1236 static inline enum snd_soc_bias_level
1237 snd_soc_component_get_bias_level(struct snd_soc_component *component)
1238 {
1239         return snd_soc_dapm_get_bias_level(
1240                 snd_soc_component_get_dapm(component));
1241 }
1242
1243 /**
1244  * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
1245  * @component: The COMPONENT for which to set the level
1246  * @level: The level to set to
1247  *
1248  * Forces the COMPONENT bias level to a specific state. See
1249  * snd_soc_dapm_force_bias_level().
1250  */
1251 static inline int
1252 snd_soc_component_force_bias_level(struct snd_soc_component *component,
1253                                    enum snd_soc_bias_level level)
1254 {
1255         return snd_soc_dapm_force_bias_level(
1256                 snd_soc_component_get_dapm(component),
1257                 level);
1258 }
1259
1260 /**
1261  * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
1262  * @kcontrol: The kcontrol
1263  *
1264  * This function must only be used on DAPM contexts that are known to be part of
1265  * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
1266  */
1267 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
1268         struct snd_kcontrol *kcontrol)
1269 {
1270         return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
1271 }
1272
1273 /**
1274  * snd_soc_component_cache_sync() - Sync the register cache with the hardware
1275  * @component: COMPONENT to sync
1276  *
1277  * Note: This function will call regcache_sync()
1278  */
1279 static inline int snd_soc_component_cache_sync(
1280         struct snd_soc_component *component)
1281 {
1282         return regcache_sync(component->regmap);
1283 }
1284
1285 /* component IO */
1286 int snd_soc_component_read(struct snd_soc_component *component,
1287         unsigned int reg, unsigned int *val);
1288 unsigned int snd_soc_component_read32(struct snd_soc_component *component,
1289                                       unsigned int reg);
1290 int snd_soc_component_write(struct snd_soc_component *component,
1291         unsigned int reg, unsigned int val);
1292 int snd_soc_component_update_bits(struct snd_soc_component *component,
1293         unsigned int reg, unsigned int mask, unsigned int val);
1294 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1295         unsigned int reg, unsigned int mask, unsigned int val);
1296 void snd_soc_component_async_complete(struct snd_soc_component *component);
1297 int snd_soc_component_test_bits(struct snd_soc_component *component,
1298         unsigned int reg, unsigned int mask, unsigned int value);
1299
1300 /* component wide operations */
1301 int snd_soc_component_set_sysclk(struct snd_soc_component *component,
1302                         int clk_id, int source, unsigned int freq, int dir);
1303 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
1304                               int source, unsigned int freq_in,
1305                               unsigned int freq_out);
1306 int snd_soc_component_set_jack(struct snd_soc_component *component,
1307                                struct snd_soc_jack *jack, void *data);
1308
1309 #ifdef CONFIG_REGMAP
1310
1311 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1312         struct regmap *regmap);
1313 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1314
1315 #endif
1316
1317 /* device driver data */
1318
1319 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1320                 void *data)
1321 {
1322         card->drvdata = data;
1323 }
1324
1325 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1326 {
1327         return card->drvdata;
1328 }
1329
1330 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1331                 void *data)
1332 {
1333         dev_set_drvdata(c->dev, data);
1334 }
1335
1336 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1337 {
1338         return dev_get_drvdata(c->dev);
1339 }
1340
1341 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1342 {
1343         INIT_LIST_HEAD(&card->widgets);
1344         INIT_LIST_HEAD(&card->paths);
1345         INIT_LIST_HEAD(&card->dapm_list);
1346         INIT_LIST_HEAD(&card->aux_comp_list);
1347         INIT_LIST_HEAD(&card->component_dev_list);
1348 }
1349
1350 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1351 {
1352         if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1353                 return 0;
1354         /*
1355          * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1356          * mc->reg != mc->rreg means that the control is
1357          * stereo (bits in one register or in two registers)
1358          */
1359         return 1;
1360 }
1361
1362 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1363         unsigned int val)
1364 {
1365         unsigned int i;
1366
1367         if (!e->values)
1368                 return val;
1369
1370         for (i = 0; i < e->items; i++)
1371                 if (val == e->values[i])
1372                         return i;
1373
1374         return 0;
1375 }
1376
1377 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1378         unsigned int item)
1379 {
1380         if (!e->values)
1381                 return item;
1382
1383         return e->values[item];
1384 }
1385
1386 static inline bool snd_soc_component_is_active(
1387         struct snd_soc_component *component)
1388 {
1389         return component->active != 0;
1390 }
1391
1392 /**
1393  * snd_soc_kcontrol_component() - Returns the component that registered the
1394  *  control
1395  * @kcontrol: The control for which to get the component
1396  *
1397  * Note: This function will work correctly if the control has been registered
1398  * for a component. With snd_soc_add_codec_controls() or via table based
1399  * setup for either a CODEC or component driver. Otherwise the behavior is
1400  * undefined.
1401  */
1402 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1403         struct snd_kcontrol *kcontrol)
1404 {
1405         return snd_kcontrol_chip(kcontrol);
1406 }
1407
1408 int snd_soc_util_init(void);
1409 void snd_soc_util_exit(void);
1410
1411 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1412                                const char *propname);
1413 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1414                                           const char *propname);
1415 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1416                               unsigned int *tx_mask,
1417                               unsigned int *rx_mask,
1418                               unsigned int *slots,
1419                               unsigned int *slot_width);
1420 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1421                                    struct snd_soc_codec_conf *codec_conf,
1422                                    struct device_node *of_node,
1423                                    const char *propname);
1424 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1425                                    const char *propname);
1426 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1427                                      const char *prefix,
1428                                      struct device_node **bitclkmaster,
1429                                      struct device_node **framemaster);
1430 int snd_soc_get_dai_id(struct device_node *ep);
1431 int snd_soc_get_dai_name(struct of_phandle_args *args,
1432                          const char **dai_name);
1433 int snd_soc_of_get_dai_name(struct device_node *of_node,
1434                             const char **dai_name);
1435 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1436                                    struct device_node *of_node,
1437                                    struct snd_soc_dai_link *dai_link);
1438 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1439
1440 int snd_soc_add_dai_link(struct snd_soc_card *card,
1441                                 struct snd_soc_dai_link *dai_link);
1442 void snd_soc_remove_dai_link(struct snd_soc_card *card,
1443                              struct snd_soc_dai_link *dai_link);
1444 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1445                                                int id, const char *name,
1446                                                const char *stream_name);
1447
1448 int snd_soc_register_dai(struct snd_soc_component *component,
1449         struct snd_soc_dai_driver *dai_drv);
1450
1451 struct snd_soc_dai *snd_soc_find_dai(
1452         const struct snd_soc_dai_link_component *dlc);
1453
1454 #include <sound/soc-dai.h>
1455
1456 static inline
1457 struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1458                                                const char *dai_name)
1459 {
1460         struct snd_soc_pcm_runtime *rtd;
1461
1462         list_for_each_entry(rtd, &card->rtd_list, list) {
1463                 if (!strcmp(rtd->codec_dai->name, dai_name))
1464                         return rtd->codec_dai;
1465         }
1466
1467         return NULL;
1468 }
1469
1470 #ifdef CONFIG_DEBUG_FS
1471 extern struct dentry *snd_soc_debugfs_root;
1472 #endif
1473
1474 extern const struct dev_pm_ops snd_soc_pm_ops;
1475
1476 /* Helper functions */
1477 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1478 {
1479         mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1480 }
1481
1482 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1483 {
1484         mutex_unlock(&dapm->card->dapm_mutex);
1485 }
1486
1487 int snd_soc_component_enable_pin(struct snd_soc_component *component,
1488                                  const char *pin);
1489 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1490                                           const char *pin);
1491 int snd_soc_component_disable_pin(struct snd_soc_component *component,
1492                                   const char *pin);
1493 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1494                                            const char *pin);
1495 int snd_soc_component_nc_pin(struct snd_soc_component *component,
1496                              const char *pin);
1497 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1498                                       const char *pin);
1499 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1500                                      const char *pin);
1501 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1502                                        const char *pin);
1503 int snd_soc_component_force_enable_pin_unlocked(
1504                                         struct snd_soc_component *component,
1505                                         const char *pin);
1506
1507 #endif