include/sound/soc.h

   1 /*
   2  * linux/sound/soc.h -- ALSA SoC Layer
   3  *
   4  * Author:              Liam Girdwood
   5  * Created:             Aug 11th 2005
   6  * Copyright:   Wolfson Microelectronics. PLC.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #ifndef __LINUX_SND_SOC_H
  14 #define __LINUX_SND_SOC_H
  15
  16 #include <linux/of.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/types.h>
  19 #include <linux/notifier.h>
  20 #include <linux/workqueue.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/kernel.h>
  23 #include <linux/regmap.h>
  24 #include <linux/log2.h>
  25 #include <sound/core.h>
  26 #include <sound/pcm.h>
  27 #include <sound/compress_driver.h>
  28 #include <sound/control.h>
  29 #include <sound/ac97_codec.h>
  30
  31 /*
  32  * Convenience kcontrol builders
  33  */
  34 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
  35         ((unsigned long)&(struct soc_mixer_control) \
  36         {.reg = xreg, .rreg = xreg, .shift = shift_left, \
  37         .rshift = shift_right, .max = xmax, .platform_max = xmax, \
  38         .invert = xinvert, .autodisable = xautodisable})
  39 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
  40         ((unsigned long)&(struct soc_mixer_control) \
  41         {.reg = xreg, .rreg = xreg, .shift = shift_left, \
  42         .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
  43         .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
  44 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
  45         SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
  46 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
  47         ((unsigned long)&(struct soc_mixer_control) \
  48         {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
  49 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
  50         ((unsigned long)&(struct soc_mixer_control) \
  51         {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  52         .max = xmax, .platform_max = xmax, .invert = xinvert})
  53 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
  54         ((unsigned long)&(struct soc_mixer_control) \
  55         {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  56         .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
  57         .invert = xinvert})
  58 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
  59         ((unsigned long)&(struct soc_mixer_control) \
  60         {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  61         .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
  62 #define SOC_SINGLE(xname, reg, shift, max, invert) \
  63 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  64         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  65         .put = snd_soc_put_volsw, \
  66         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
  67 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
  68 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  69         .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
  70         .put = snd_soc_put_volsw_range, \
  71         .private_value = (unsigned long)&(struct soc_mixer_control) \
  72                 {.reg = xreg, .rreg = xreg, .shift = xshift, \
  73                  .rshift = xshift,  .min = xmin, .max = xmax, \
  74                  .platform_max = xmax, .invert = xinvert} }
  75 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
  76 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  77         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  78                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  79         .tlv.p = (tlv_array), \
  80         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  81         .put = snd_soc_put_volsw, \
  82         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
  83 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
  84 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  85         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  86         SNDRV_CTL_ELEM_ACCESS_READWRITE, \
  87         .tlv.p  = (tlv_array),\
  88         .info = snd_soc_info_volsw_sx, \
  89         .get = snd_soc_get_volsw_sx,\
  90         .put = snd_soc_put_volsw_sx, \
  91         .private_value = (unsigned long)&(struct soc_mixer_control) \
  92                 {.reg = xreg, .rreg = xreg, \
  93                 .shift = xshift, .rshift = xshift, \
  94                 .max = xmax, .min = xmin} }
  95 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
  96 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  97         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  98                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  99         .tlv.p = (tlv_array), \
 100         .info = snd_soc_info_volsw_range, \
 101         .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 102         .private_value = (unsigned long)&(struct soc_mixer_control) \
 103                 {.reg = xreg, .rreg = xreg, .shift = xshift, \
 104                  .rshift = xshift, .min = xmin, .max = xmax, \
 105                  .platform_max = xmax, .invert = xinvert} }
 106 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
 107 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 108         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
 109         .put = snd_soc_put_volsw, \
 110         .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 111                                           max, invert, 0) }
 112 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
 113 {                                                                       \
 114         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),           \
 115         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,           \
 116         .access = SNDRV_CTL_ELEM_ACCESS_READ |                          \
 117                 SNDRV_CTL_ELEM_ACCESS_VOLATILE,                         \
 118         .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 119                                           max, invert, 0) }
 120 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
 121 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 122         .info = snd_soc_info_volsw, \
 123         .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 124         .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 125                                             xmax, xinvert) }
 126 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
 127                            xmax, xinvert)               \
 128 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 129         .info = snd_soc_info_volsw_range, \
 130         .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 131         .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
 132                                             xshift, xmin, xmax, xinvert) }
 133 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
 134 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 135         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 136                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 137         .tlv.p = (tlv_array), \
 138         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
 139         .put = snd_soc_put_volsw, \
 140         .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 141                                           max, invert, 0) }
 142 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
 143 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 144         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 145                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 146         .tlv.p = (tlv_array), \
 147         .info = snd_soc_info_volsw, \
 148         .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 149         .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 150                                             xmax, xinvert) }
 151 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
 152                                xmax, xinvert, tlv_array)                \
 153 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 154         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 155                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 156         .tlv.p = (tlv_array), \
 157         .info = snd_soc_info_volsw_range, \
 158         .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 159         .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
 160                                             xshift, xmin, xmax, xinvert) }
 161 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
 162 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 163         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 164         SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 165         .tlv.p  = (tlv_array), \
 166         .info = snd_soc_info_volsw_sx, \
 167         .get = snd_soc_get_volsw_sx, \
 168         .put = snd_soc_put_volsw_sx, \
 169         .private_value = (unsigned long)&(struct soc_mixer_control) \
 170                 {.reg = xreg, .rreg = xrreg, \
 171                 .shift = xshift, .rshift = xshift, \
 172                 .max = xmax, .min = xmin} }
 173 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
 174 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 175         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 176                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 177         .tlv.p = (tlv_array), \
 178         .info = snd_soc_info_volsw, \
 179         .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 180         .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
 181                                             xmin, xmax, xsign_bit, xinvert) }
 182 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 183 {       .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 184         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 185                   SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 186         .tlv.p  = (tlv_array), \
 187         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 188         .put = snd_soc_put_volsw, \
 189         .private_value = (unsigned long)&(struct soc_mixer_control) \
 190         {.reg = xreg, .rreg = xreg,  \
 191          .min = xmin, .max = xmax, .platform_max = xmax, \
 192         .sign_bit = 7,} }
 193 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 194 {       .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 195         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 196                   SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 197         .tlv.p  = (tlv_array), \
 198         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 199         .put = snd_soc_put_volsw, \
 200         .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
 201 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
 202 {       .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 203         .items = xitems, .texts = xtexts, \
 204         .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
 205 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
 206         SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
 207 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
 208 {       .items = xitems, .texts = xtexts }
 209 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
 210 {       .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 211         .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
 212 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
 213         SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
 214 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
 215 {       .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
 216         .mask = xmask, .items = xitems, .texts = xtexts, \
 217         .values = xvalues, .autodisable = 1}
 218 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
 219         SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
 220 #define SOC_ENUM(xname, xenum) \
 221 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
 222         .info = snd_soc_info_enum_double, \
 223         .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
 224         .private_value = (unsigned long)&xenum }
 225 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
 226          xhandler_get, xhandler_put) \
 227 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 228         .info = snd_soc_info_volsw, \
 229         .get = xhandler_get, .put = xhandler_put, \
 230         .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 231 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
 232          xhandler_get, xhandler_put) \
 233 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 234         .info = snd_soc_info_volsw, \
 235         .get = xhandler_get, .put = xhandler_put, \
 236         .private_value = \
 237                 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
 238 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
 239          xhandler_get, xhandler_put) \
 240 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 241         .info = snd_soc_info_volsw, \
 242         .get = xhandler_get, .put = xhandler_put, \
 243         .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 244                                             xmax, xinvert) }
 245 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
 246          xhandler_get, xhandler_put, tlv_array) \
 247 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 248         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 249                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 250         .tlv.p = (tlv_array), \
 251         .info = snd_soc_info_volsw, \
 252         .get = xhandler_get, .put = xhandler_put, \
 253         .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 254 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
 255                                  xhandler_get, xhandler_put, tlv_array) \
 256 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 257         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 258                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 259         .tlv.p = (tlv_array), \
 260         .info = snd_soc_info_volsw_range, \
 261         .get = xhandler_get, .put = xhandler_put, \
 262         .private_value = (unsigned long)&(struct soc_mixer_control) \
 263                 {.reg = xreg, .rreg = xreg, .shift = xshift, \
 264                  .rshift = xshift, .min = xmin, .max = xmax, \
 265                  .platform_max = xmax, .invert = xinvert} }
 266 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
 267          xhandler_get, xhandler_put, tlv_array) \
 268 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 269         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 270                  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 271         .tlv.p = (tlv_array), \
 272         .info = snd_soc_info_volsw, \
 273         .get = xhandler_get, .put = xhandler_put, \
 274         .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
 275                                           xmax, xinvert, 0) }
 276 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
 277          xhandler_get, xhandler_put, tlv_array) \
 278 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 279         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 280                  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 281         .tlv.p = (tlv_array), \
 282         .info = snd_soc_info_volsw, \
 283         .get = xhandler_get, .put = xhandler_put, \
 284         .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 285                                             xmax, xinvert) }
 286 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
 287 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 288         .info = snd_soc_info_bool_ext, \
 289         .get = xhandler_get, .put = xhandler_put, \
 290         .private_value = xdata }
 291 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 292 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 293         .info = snd_soc_info_enum_double, \
 294         .get = xhandler_get, .put = xhandler_put, \
 295         .private_value = (unsigned long)&xenum }
 296 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 297         SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
 298
 299 #define SND_SOC_BYTES(xname, xbase, xregs)                    \
 300 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 301         .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 302         .put = snd_soc_bytes_put, .private_value =            \
 303                 ((unsigned long)&(struct soc_bytes)           \
 304                 {.base = xbase, .num_regs = xregs }) }
 305
 306 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)        \
 307 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 308         .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 309         .put = snd_soc_bytes_put, .private_value =            \
 310                 ((unsigned long)&(struct soc_bytes)           \
 311                 {.base = xbase, .num_regs = xregs,            \
 312                  .mask = xmask }) }
 313
 314 /*
 315  * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
 316  */
 317 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
 318 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 319         .info = snd_soc_bytes_info_ext, \
 320         .get = xhandler_get, .put = xhandler_put, \
 321         .private_value = (unsigned long)&(struct soc_bytes_ext) \
 322                 {.max = xcount} }
 323 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
 324 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 325         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
 326                   SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
 327         .tlv.c = (snd_soc_bytes_tlv_callback), \
 328         .info = snd_soc_bytes_info_ext, \
 329         .private_value = (unsigned long)&(struct soc_bytes_ext) \
 330                 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
 331 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
 332                 xmin, xmax, xinvert) \
 333 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 334         .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
 335         .put = snd_soc_put_xr_sx, \
 336         .private_value = (unsigned long)&(struct soc_mreg_control) \
 337                 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
 338                 .invert = xinvert, .min = xmin, .max = xmax} }
 339
 340 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
 341         SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
 342                 snd_soc_get_strobe, snd_soc_put_strobe)
 343
 344 /*
 345  * Simplified versions of above macros, declaring a struct and calculating
 346  * ARRAY_SIZE internally
 347  */
 348 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
 349         const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
 350                                                 ARRAY_SIZE(xtexts), xtexts)
 351 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
 352         SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
 353 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
 354         const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
 355 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
 356         const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
 357                                                         ARRAY_SIZE(xtexts), xtexts, xvalues)
 358 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 359         SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
 360
 361 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 362         const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
 363                 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
 364
 365 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
 366         const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
 367
 368 /*
 369  * Component probe and remove ordering levels for components with runtime
 370  * dependencies.
 371  */
 372 #define SND_SOC_COMP_ORDER_FIRST                -2
 373 #define SND_SOC_COMP_ORDER_EARLY                -1
 374 #define SND_SOC_COMP_ORDER_NORMAL               0
 375 #define SND_SOC_COMP_ORDER_LATE         1
 376 #define SND_SOC_COMP_ORDER_LAST         2
 377
 378 /*
 379  * Bias levels
 380  *
 381  * @ON:      Bias is fully on for audio playback and capture operations.
 382  * @PREPARE: Prepare for audio operations. Called before DAPM switching for
 383  *           stream start and stop operations.
 384  * @STANDBY: Low power standby state when no playback/capture operations are
 385  *           in progress. NOTE: The transition time between STANDBY and ON
 386  *           should be as fast as possible and no longer than 10ms.
 387  * @OFF:     Power Off. No restrictions on transition times.
 388  */
 389 enum snd_soc_bias_level {
 390         SND_SOC_BIAS_OFF = 0,
 391         SND_SOC_BIAS_STANDBY = 1,
 392         SND_SOC_BIAS_PREPARE = 2,
 393         SND_SOC_BIAS_ON = 3,
 394 };
 395
 396 struct device_node;
 397 struct snd_jack;
 398 struct snd_soc_card;
 399 struct snd_soc_pcm_stream;
 400 struct snd_soc_ops;
 401 struct snd_soc_pcm_runtime;
 402 struct snd_soc_dai;
 403 struct snd_soc_dai_driver;
 404 struct snd_soc_platform;
 405 struct snd_soc_dai_link;
 406 struct snd_soc_platform_driver;
 407 struct snd_soc_codec;
 408 struct snd_soc_codec_driver;
 409 struct snd_soc_component;
 410 struct snd_soc_component_driver;
 411 struct soc_enum;
 412 struct snd_soc_jack;
 413 struct snd_soc_jack_zone;
 414 struct snd_soc_jack_pin;
 415 #include <sound/soc-dapm.h>
 416 #include <sound/soc-dpcm.h>
 417 #include <sound/soc-topology.h>
 418
 419 struct snd_soc_jack_gpio;
 420
 421 typedef int (*hw_write_t)(void *,const char* ,int);
 422
 423 enum snd_soc_pcm_subclass {
 424         SND_SOC_PCM_CLASS_PCM   = 0,
 425         SND_SOC_PCM_CLASS_BE    = 1,
 426 };
 427
 428 enum snd_soc_card_subclass {
 429         SND_SOC_CARD_CLASS_INIT         = 0,
 430         SND_SOC_CARD_CLASS_RUNTIME      = 1,
 431 };
 432
 433 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
 434                              int source, unsigned int freq, int dir);
 435 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
 436                           unsigned int freq_in, unsigned int freq_out);
 437 int snd_soc_codec_set_jack(struct snd_soc_codec *codec,
 438                            struct snd_soc_jack *jack, void *data);
 439
 440 int snd_soc_register_card(struct snd_soc_card *card);
 441 int snd_soc_unregister_card(struct snd_soc_card *card);
 442 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
 443 #ifdef CONFIG_PM_SLEEP
 444 int snd_soc_suspend(struct device *dev);
 445 int snd_soc_resume(struct device *dev);
 446 #else
 447 static inline int snd_soc_suspend(struct device *dev)
 448 {
 449         return 0;
 450 }
 451
 452 static inline int snd_soc_resume(struct device *dev)
 453 {
 454         return 0;
 455 }
 456 #endif
 457 int snd_soc_poweroff(struct device *dev);
 458 int snd_soc_register_platform(struct device *dev,
 459                 const struct snd_soc_platform_driver *platform_drv);
 460 int devm_snd_soc_register_platform(struct device *dev,
 461                 const struct snd_soc_platform_driver *platform_drv);
 462 void snd_soc_unregister_platform(struct device *dev);
 463 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
 464                 const struct snd_soc_platform_driver *platform_drv);
 465 void snd_soc_remove_platform(struct snd_soc_platform *platform);
 466 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
 467 int snd_soc_register_codec(struct device *dev,
 468                 const struct snd_soc_codec_driver *codec_drv,
 469                 struct snd_soc_dai_driver *dai_drv, int num_dai);
 470 void snd_soc_unregister_codec(struct device *dev);
 471 int snd_soc_add_component(struct device *dev,
 472                 struct snd_soc_component *component,
 473                 const struct snd_soc_component_driver *component_driver,
 474                 struct snd_soc_dai_driver *dai_drv,
 475                 int num_dai);
 476 int snd_soc_register_component(struct device *dev,
 477                          const struct snd_soc_component_driver *component_driver,
 478                          struct snd_soc_dai_driver *dai_drv, int num_dai);
 479 int devm_snd_soc_register_component(struct device *dev,
 480                          const struct snd_soc_component_driver *component_driver,
 481                          struct snd_soc_dai_driver *dai_drv, int num_dai);
 482 void snd_soc_unregister_component(struct device *dev);
 483 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 484                                                    const char *driver_name);
 485 int snd_soc_cache_init(struct snd_soc_codec *codec);
 486 int snd_soc_cache_exit(struct snd_soc_codec *codec);
 487
 488 int snd_soc_platform_read(struct snd_soc_platform *platform,
 489                                         unsigned int reg);
 490 int snd_soc_platform_write(struct snd_soc_platform *platform,
 491                                         unsigned int reg, unsigned int val);
 492 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 493 #ifdef CONFIG_SND_SOC_COMPRESS
 494 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
 495 #endif
 496
 497 void snd_soc_disconnect_sync(struct device *dev);
 498
 499 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
 500                 const char *dai_link, int stream);
 501 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 502                 const char *dai_link);
 503
 504 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 505 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
 506 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
 507
 508 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 509         unsigned int dai_fmt);
 510
 511 #ifdef CONFIG_DMI
 512 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
 513 #else
 514 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
 515                                        const char *flavour)
 516 {
 517         return 0;
 518 }
 519 #endif
 520
 521 /* Utility functions to get clock rates from various things */
 522 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
 523 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
 524 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 525 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
 526
 527 /* set runtime hw params */
 528 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 529         const struct snd_pcm_hardware *hw);
 530
 531 int soc_dai_hw_params(struct snd_pcm_substream *substream,
 532                       struct snd_pcm_hw_params *params,
 533                       struct snd_soc_dai *dai);
 534
 535 /* Jack reporting */
 536 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
 537         struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
 538         unsigned int num_pins);
 539
 540 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 541 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 542                           struct snd_soc_jack_pin *pins);
 543 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
 544                                     struct notifier_block *nb);
 545 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
 546                                       struct notifier_block *nb);
 547 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
 548                           struct snd_soc_jack_zone *zones);
 549 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
 550 #ifdef CONFIG_GPIOLIB
 551 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 552                         struct snd_soc_jack_gpio *gpios);
 553 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 554                             struct snd_soc_jack *jack,
 555                             int count, struct snd_soc_jack_gpio *gpios);
 556 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 557                         struct snd_soc_jack_gpio *gpios);
 558 #else
 559 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 560                                          struct snd_soc_jack_gpio *gpios)
 561 {
 562         return 0;
 563 }
 564
 565 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 566                                           struct snd_soc_jack *jack,
 567                                           int count,
 568                                           struct snd_soc_jack_gpio *gpios)
 569 {
 570         return 0;
 571 }
 572
 573 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 574                                            struct snd_soc_jack_gpio *gpios)
 575 {
 576 }
 577 #endif
 578
 579 /* codec register bit access */
 580 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
 581                                 unsigned int mask, unsigned int value);
 582 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
 583                                unsigned int reg, unsigned int mask,
 584                                unsigned int value);
 585 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
 586                                 unsigned int mask, unsigned int value);
 587
 588 #ifdef CONFIG_SND_SOC_AC97_BUS
 589 #define snd_soc_alloc_ac97_codec(codec) \
 590         snd_soc_alloc_ac97_component(&codec->component)
 591 #define snd_soc_new_ac97_codec(codec, id, id_mask) \
 592         snd_soc_new_ac97_component(&codec->component, id, id_mask)
 593 #define snd_soc_free_ac97_codec(ac97) \
 594         snd_soc_free_ac97_component(ac97)
 595
 596 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
 597 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
 598         unsigned int id, unsigned int id_mask);
 599 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
 600
 601 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 602 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 603                 struct platform_device *pdev);
 604
 605 extern struct snd_ac97_bus_ops *soc_ac97_ops;
 606 #else
 607 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 608         struct platform_device *pdev)
 609 {
 610         return 0;
 611 }
 612
 613 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
 614 {
 615         return 0;
 616 }
 617 #endif
 618
 619 /*
 620  *Controls
 621  */
 622 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 623                                   void *data, const char *long_name,
 624                                   const char *prefix);
 625 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 626                                                const char *name);
 627 int snd_soc_add_component_controls(struct snd_soc_component *component,
 628         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 629 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
 630         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 631 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
 632         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 633 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 634         const struct snd_kcontrol_new *controls, int num_controls);
 635 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
 636         const struct snd_kcontrol_new *controls, int num_controls);
 637 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 638         struct snd_ctl_elem_info *uinfo);
 639 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 640         struct snd_ctl_elem_value *ucontrol);
 641 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 642         struct snd_ctl_elem_value *ucontrol);
 643 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 644         struct snd_ctl_elem_info *uinfo);
 645 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
 646                           struct snd_ctl_elem_info *uinfo);
 647 #define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 648 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 649         struct snd_ctl_elem_value *ucontrol);
 650 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 651         struct snd_ctl_elem_value *ucontrol);
 652 #define snd_soc_get_volsw_2r snd_soc_get_volsw
 653 #define snd_soc_put_volsw_2r snd_soc_put_volsw
 654 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
 655         struct snd_ctl_elem_value *ucontrol);
 656 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 657         struct snd_ctl_elem_value *ucontrol);
 658 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
 659         struct snd_ctl_elem_info *uinfo);
 660 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 661         struct snd_ctl_elem_value *ucontrol);
 662 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 663         struct snd_ctl_elem_value *ucontrol);
 664 int snd_soc_limit_volume(struct snd_soc_card *card,
 665         const char *name, int max);
 666 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
 667                        struct snd_ctl_elem_info *uinfo);
 668 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
 669                       struct snd_ctl_elem_value *ucontrol);
 670 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
 671                       struct snd_ctl_elem_value *ucontrol);
 672 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 673         struct snd_ctl_elem_info *ucontrol);
 674 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 675         unsigned int size, unsigned int __user *tlv);
 676 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
 677         struct snd_ctl_elem_info *uinfo);
 678 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 679         struct snd_ctl_elem_value *ucontrol);
 680 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 681         struct snd_ctl_elem_value *ucontrol);
 682 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
 683         struct snd_ctl_elem_value *ucontrol);
 684 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
 685         struct snd_ctl_elem_value *ucontrol);
 686
 687 /**
 688  * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 689  *
 690  * @pin:    name of the pin to update
 691  * @mask:   bits to check for in reported jack status
 692  * @invert: if non-zero then pin is enabled when status is not reported
 693  * @list:   internal list entry
 694  */
 695 struct snd_soc_jack_pin {
 696         struct list_head list;
 697         const char *pin;
 698         int mask;
 699         bool invert;
 700 };
 701
 702 /**
 703  * struct snd_soc_jack_zone - Describes voltage zones of jack detection
 704  *
 705  * @min_mv: start voltage in mv
 706  * @max_mv: end voltage in mv
 707  * @jack_type: type of jack that is expected for this voltage
 708  * @debounce_time: debounce_time for jack, codec driver should wait for this
 709  *              duration before reading the adc for voltages
 710  * @list:   internal list entry
 711  */
 712 struct snd_soc_jack_zone {
 713         unsigned int min_mv;
 714         unsigned int max_mv;
 715         unsigned int jack_type;
 716         unsigned int debounce_time;
 717         struct list_head list;
 718 };
 719
 720 /**
 721  * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 722  *
 723  * @gpio:         legacy gpio number
 724  * @idx:          gpio descriptor index within the function of the GPIO
 725  *                consumer device
 726  * @gpiod_dev:    GPIO consumer device
 727  * @name:         gpio name. Also as connection ID for the GPIO consumer
 728  *                device function name lookup
 729  * @report:       value to report when jack detected
 730  * @invert:       report presence in low state
 731  * @debounce_time: debounce time in ms
 732  * @wake:         enable as wake source
 733  * @jack_status_check: callback function which overrides the detection
 734  *                     to provide more complex checks (eg, reading an
 735  *                     ADC).
 736  */
 737 struct snd_soc_jack_gpio {
 738         unsigned int gpio;
 739         unsigned int idx;
 740         struct device *gpiod_dev;
 741         const char *name;
 742         int report;
 743         int invert;
 744         int debounce_time;
 745         bool wake;
 746
 747         /* private: */
 748         struct snd_soc_jack *jack;
 749         struct delayed_work work;
 750         struct notifier_block pm_notifier;
 751         struct gpio_desc *desc;
 752
 753         void *data;
 754         /* public: */
 755         int (*jack_status_check)(void *data);
 756 };
 757
 758 struct snd_soc_jack {
 759         struct mutex mutex;
 760         struct snd_jack *jack;
 761         struct snd_soc_card *card;
 762         struct list_head pins;
 763         int status;
 764         struct blocking_notifier_head notifier;
 765         struct list_head jack_zones;
 766 };
 767
 768 /* SoC PCM stream information */
 769 struct snd_soc_pcm_stream {
 770         const char *stream_name;
 771         u64 formats;                    /* SNDRV_PCM_FMTBIT_* */
 772         unsigned int rates;             /* SNDRV_PCM_RATE_* */
 773         unsigned int rate_min;          /* min rate */
 774         unsigned int rate_max;          /* max rate */
 775         unsigned int channels_min;      /* min channels */
 776         unsigned int channels_max;      /* max channels */
 777         unsigned int sig_bits;          /* number of bits of content */
 778 };
 779
 780 /* SoC audio ops */
 781 struct snd_soc_ops {
 782         int (*startup)(struct snd_pcm_substream *);
 783         void (*shutdown)(struct snd_pcm_substream *);
 784         int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 785         int (*hw_free)(struct snd_pcm_substream *);
 786         int (*prepare)(struct snd_pcm_substream *);
 787         int (*trigger)(struct snd_pcm_substream *, int);
 788 };
 789
 790 struct snd_soc_compr_ops {
 791         int (*startup)(struct snd_compr_stream *);
 792         void (*shutdown)(struct snd_compr_stream *);
 793         int (*set_params)(struct snd_compr_stream *);
 794         int (*trigger)(struct snd_compr_stream *);
 795 };
 796
 797 /* component interface */
 798 struct snd_soc_component_driver {
 799         const char *name;
 800
 801         /* Default control and setup, added after probe() is run */
 802         const struct snd_kcontrol_new *controls;
 803         unsigned int num_controls;
 804         const struct snd_soc_dapm_widget *dapm_widgets;
 805         unsigned int num_dapm_widgets;
 806         const struct snd_soc_dapm_route *dapm_routes;
 807         unsigned int num_dapm_routes;
 808
 809         int (*probe)(struct snd_soc_component *);
 810         void (*remove)(struct snd_soc_component *);
 811         int (*suspend)(struct snd_soc_component *);
 812         int (*resume)(struct snd_soc_component *);
 813
 814         unsigned int (*read)(struct snd_soc_component *, unsigned int);
 815         int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
 816
 817         /* pcm creation and destruction */
 818         int (*pcm_new)(struct snd_soc_pcm_runtime *);
 819         void (*pcm_free)(struct snd_pcm *);
 820
 821         /* component wide operations */
 822         int (*set_sysclk)(struct snd_soc_component *component,
 823                           int clk_id, int source, unsigned int freq, int dir);
 824         int (*set_pll)(struct snd_soc_component *component, int pll_id,
 825                        int source, unsigned int freq_in, unsigned int freq_out);
 826         int (*set_jack)(struct snd_soc_component *component,
 827                         struct snd_soc_jack *jack,  void *data);
 828
 829         /* DT */
 830         int (*of_xlate_dai_name)(struct snd_soc_component *component,
 831                                  struct of_phandle_args *args,
 832                                  const char **dai_name);
 833         int (*of_xlate_dai_id)(struct snd_soc_component *comment,
 834                                struct device_node *endpoint);
 835         void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
 836                 int subseq);
 837         int (*stream_event)(struct snd_soc_component *, int event);
 838         int (*set_bias_level)(struct snd_soc_component *component,
 839                               enum snd_soc_bias_level level);
 840
 841         const struct snd_pcm_ops *ops;
 842         const struct snd_compr_ops *compr_ops;
 843
 844         /* probe ordering - for components with runtime dependencies */
 845         int probe_order;
 846         int remove_order;
 847
 848         /* bits */
 849         unsigned int idle_bias_on:1;
 850         unsigned int suspend_bias_off:1;
 851         unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
 852         unsigned int endianness:1;
 853         unsigned int non_legacy_dai_naming:1;
 854 };
 855
 856 struct snd_soc_component {
 857         const char *name;
 858         int id;
 859         const char *name_prefix;
 860         struct device *dev;
 861         struct snd_soc_card *card;
 862
 863         unsigned int active;
 864
 865         unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
 866         unsigned int registered_as_component:1;
 867         unsigned int suspended:1; /* is in suspend PM state */
 868
 869         struct list_head list;
 870         struct list_head card_aux_list; /* for auxiliary bound components */
 871         struct list_head card_list;
 872
 873         const struct snd_soc_component_driver *driver;
 874
 875         struct list_head dai_list;
 876         int num_dai;
 877
 878         int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
 879         int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
 880
 881         struct regmap *regmap;
 882         int val_bytes;
 883
 884         struct mutex io_mutex;
 885
 886         /* attached dynamic objects */
 887         struct list_head dobj_list;
 888
 889 #ifdef CONFIG_DEBUG_FS
 890         struct dentry *debugfs_root;
 891 #endif
 892
 893         /*
 894         * DO NOT use any of the fields below in drivers, they are temporary and
 895         * are going to be removed again soon. If you use them in driver code the
 896         * driver will be marked as BROKEN when these fields are removed.
 897         */
 898
 899         /* Don't use these, use snd_soc_component_get_dapm() */
 900         struct snd_soc_dapm_context dapm;
 901
 902         struct snd_soc_codec *codec;
 903
 904         int (*probe)(struct snd_soc_component *);
 905         void (*remove)(struct snd_soc_component *);
 906         int (*suspend)(struct snd_soc_component *);
 907         int (*resume)(struct snd_soc_component *);
 908         int (*pcm_new)(struct snd_soc_component *, struct snd_soc_pcm_runtime *);
 909         void (*pcm_free)(struct snd_soc_component *, struct snd_pcm *);
 910
 911         int (*set_sysclk)(struct snd_soc_component *component,
 912                           int clk_id, int source, unsigned int freq, int dir);
 913         int (*set_pll)(struct snd_soc_component *component, int pll_id,
 914                        int source, unsigned int freq_in, unsigned int freq_out);
 915         int (*set_jack)(struct snd_soc_component *component,
 916                         struct snd_soc_jack *jack,  void *data);
 917         int (*set_bias_level)(struct snd_soc_component *component,
 918                               enum snd_soc_bias_level level);
 919
 920         /* machine specific init */
 921         int (*init)(struct snd_soc_component *component);
 922
 923 #ifdef CONFIG_DEBUG_FS
 924         void (*init_debugfs)(struct snd_soc_component *component);
 925         const char *debugfs_prefix;
 926 #endif
 927 };
 928
 929 struct snd_soc_rtdcom_list {
 930         struct snd_soc_component *component;
 931         struct list_head list; /* rtd::component_list */
 932 };
 933 struct snd_soc_component*
 934 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
 935                        const char *driver_name);
 936 #define for_each_rtdcom(rtd, rtdcom) \
 937         list_for_each_entry(rtdcom, &(rtd)->component_list, list)
 938 #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
 939         list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
 940
 941 /* SoC Audio Codec device */
 942 struct snd_soc_codec {
 943         struct device *dev;
 944         const struct snd_soc_codec_driver *driver;
 945
 946         struct list_head list;
 947
 948         /* runtime */
 949         unsigned int cache_init:1; /* codec cache has been initialized */
 950
 951         /* codec IO */
 952         void *control_data; /* codec control (i2c/3wire) data */
 953         hw_write_t hw_write;
 954         void *reg_cache;
 955
 956         /* component */
 957         struct snd_soc_component component;
 958 };
 959
 960 /* codec driver */
 961 struct snd_soc_codec_driver {
 962
 963         /* driver ops */
 964         int (*probe)(struct snd_soc_codec *);
 965         int (*remove)(struct snd_soc_codec *);
 966         int (*suspend)(struct snd_soc_codec *);
 967         int (*resume)(struct snd_soc_codec *);
 968         struct snd_soc_component_driver component_driver;
 969
 970         /* codec wide operations */
 971         int (*set_sysclk)(struct snd_soc_codec *codec,
 972                           int clk_id, int source, unsigned int freq, int dir);
 973         int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
 974                 unsigned int freq_in, unsigned int freq_out);
 975         int (*set_jack)(struct snd_soc_codec *codec,
 976                         struct snd_soc_jack *jack,  void *data);
 977
 978         /* codec IO */
 979         struct regmap *(*get_regmap)(struct device *);
 980         unsigned int (*read)(struct snd_soc_codec *, unsigned int);
 981         int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
 982         unsigned int reg_cache_size;
 983         short reg_cache_step;
 984         short reg_word_size;
 985         const void *reg_cache_default;
 986
 987         /* codec bias level */
 988         int (*set_bias_level)(struct snd_soc_codec *,
 989                               enum snd_soc_bias_level level);
 990         bool idle_bias_off;
 991         bool suspend_bias_off;
 992
 993         void (*seq_notifier)(struct snd_soc_dapm_context *,
 994                              enum snd_soc_dapm_type, int);
 995
 996         bool ignore_pmdown_time;  /* Doesn't benefit from pmdown delay */
 997 };
 998
 999 /* SoC platform interface */
1000 struct snd_soc_platform_driver {
1001
1002         int (*probe)(struct snd_soc_platform *);
1003         int (*remove)(struct snd_soc_platform *);
1004         struct snd_soc_component_driver component_driver;
1005
1006         /* pcm creation and destruction */
1007         int (*pcm_new)(struct snd_soc_pcm_runtime *);
1008         void (*pcm_free)(struct snd_pcm *);
1009
1010         /* platform stream pcm ops */
1011         const struct snd_pcm_ops *ops;
1012
1013         /* platform stream compress ops */
1014         const struct snd_compr_ops *compr_ops;
1015 };
1016
1017 struct snd_soc_dai_link_component {
1018         const char *name;
1019         struct device_node *of_node;
1020         const char *dai_name;
1021 };
1022
1023 struct snd_soc_platform {
1024         struct device *dev;
1025         const struct snd_soc_platform_driver *driver;
1026
1027         struct list_head list;
1028
1029         struct snd_soc_component component;
1030 };
1031
1032 struct snd_soc_dai_link {
1033         /* config - must be set by machine driver */
1034         const char *name;                       /* Codec name */
1035         const char *stream_name;                /* Stream name */
1036         /*
1037          * You MAY specify the link's CPU-side device, either by device name,
1038          * or by DT/OF node, but not both. If this information is omitted,
1039          * the CPU-side DAI is matched using .cpu_dai_name only, which hence
1040          * must be globally unique. These fields are currently typically used
1041          * only for codec to codec links, or systems using device tree.
1042          */
1043         const char *cpu_name;
1044         struct device_node *cpu_of_node;
1045         /*
1046          * You MAY specify the DAI name of the CPU DAI. If this information is
1047          * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
1048          * only, which only works well when that device exposes a single DAI.
1049          */
1050         const char *cpu_dai_name;
1051         /*
1052          * You MUST specify the link's codec, either by device name, or by
1053          * DT/OF node, but not both.
1054          */
1055         const char *codec_name;
1056         struct device_node *codec_of_node;
1057         /* You MUST specify the DAI name within the codec */
1058         const char *codec_dai_name;
1059
1060         struct snd_soc_dai_link_component *codecs;
1061         unsigned int num_codecs;
1062
1063         /*
1064          * You MAY specify the link's platform/PCM/DMA driver, either by
1065          * device name, or by DT/OF node, but not both. Some forms of link
1066          * do not need a platform.
1067          */
1068         const char *platform_name;
1069         struct device_node *platform_of_node;
1070         int id; /* optional ID for machine driver link identification */
1071
1072         const struct snd_soc_pcm_stream *params;
1073         unsigned int num_params;
1074
1075         unsigned int dai_fmt;           /* format to set on init */
1076
1077         enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1078
1079         /* codec/machine specific init - e.g. add machine controls */
1080         int (*init)(struct snd_soc_pcm_runtime *rtd);
1081
1082         /* optional hw_params re-writing for BE and FE sync */
1083         int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1084                         struct snd_pcm_hw_params *params);
1085
1086         /* machine stream operations */
1087         const struct snd_soc_ops *ops;
1088         const struct snd_soc_compr_ops *compr_ops;
1089
1090         /* Mark this pcm with non atomic ops */
1091         bool nonatomic;
1092
1093         /* For unidirectional dai links */
1094         unsigned int playback_only:1;
1095         unsigned int capture_only:1;
1096
1097         /* Keep DAI active over suspend */
1098         unsigned int ignore_suspend:1;
1099
1100         /* Symmetry requirements */
1101         unsigned int symmetric_rates:1;
1102         unsigned int symmetric_channels:1;
1103         unsigned int symmetric_samplebits:1;
1104
1105         /* Do not create a PCM for this DAI link (Backend link) */
1106         unsigned int no_pcm:1;
1107
1108         /* This DAI link can route to other DAI links at runtime (Frontend)*/
1109         unsigned int dynamic:1;
1110
1111         /* DPCM capture and Playback support */
1112         unsigned int dpcm_capture:1;
1113         unsigned int dpcm_playback:1;
1114
1115         /* DPCM used FE & BE merged format */
1116         unsigned int dpcm_merged_format:1;
1117
1118         /* pmdown_time is ignored at stop */
1119         unsigned int ignore_pmdown_time:1;
1120
1121         struct list_head list; /* DAI link list of the soc card */
1122         struct snd_soc_dobj dobj; /* For topology */
1123 };
1124
1125 struct snd_soc_codec_conf {
1126         /*
1127          * specify device either by device name, or by
1128          * DT/OF node, but not both.
1129          */
1130         const char *dev_name;
1131         struct device_node *of_node;
1132
1133         /*
1134          * optional map of kcontrol, widget and path name prefixes that are
1135          * associated per device
1136          */
1137         const char *name_prefix;
1138 };
1139
1140 struct snd_soc_aux_dev {
1141         const char *name;               /* Codec name */
1142
1143         /*
1144          * specify multi-codec either by device name, or by
1145          * DT/OF node, but not both.
1146          */
1147         const char *codec_name;
1148         struct device_node *codec_of_node;
1149
1150         /* codec/machine specific init - e.g. add machine controls */
1151         int (*init)(struct snd_soc_component *component);
1152 };
1153
1154 /* SoC card */
1155 struct snd_soc_card {
1156         const char *name;
1157         const char *long_name;
1158         const char *driver_name;
1159         char dmi_longname[80];
1160
1161         struct device *dev;
1162         struct snd_card *snd_card;
1163         struct module *owner;
1164
1165         struct mutex mutex;
1166         struct mutex dapm_mutex;
1167
1168         bool instantiated;
1169
1170         int (*probe)(struct snd_soc_card *card);
1171         int (*late_probe)(struct snd_soc_card *card);
1172         int (*remove)(struct snd_soc_card *card);
1173
1174         /* the pre and post PM functions are used to do any PM work before and
1175          * after the codec and DAI's do any PM work. */
1176         int (*suspend_pre)(struct snd_soc_card *card);
1177         int (*suspend_post)(struct snd_soc_card *card);
1178         int (*resume_pre)(struct snd_soc_card *card);
1179         int (*resume_post)(struct snd_soc_card *card);
1180
1181         /* callbacks */
1182         int (*set_bias_level)(struct snd_soc_card *,
1183                               struct snd_soc_dapm_context *dapm,
1184                               enum snd_soc_bias_level level);
1185         int (*set_bias_level_post)(struct snd_soc_card *,
1186                                    struct snd_soc_dapm_context *dapm,
1187                                    enum snd_soc_bias_level level);
1188
1189         int (*add_dai_link)(struct snd_soc_card *,
1190                             struct snd_soc_dai_link *link);
1191         void (*remove_dai_link)(struct snd_soc_card *,
1192                             struct snd_soc_dai_link *link);
1193
1194         long pmdown_time;
1195
1196         /* CPU <--> Codec DAI links  */
1197         struct snd_soc_dai_link *dai_link;  /* predefined links only */
1198         int num_links;  /* predefined links only */
1199         struct list_head dai_link_list; /* all links */
1200         int num_dai_links;
1201
1202         struct list_head rtd_list;
1203         int num_rtd;
1204
1205         /* optional codec specific configuration */
1206         struct snd_soc_codec_conf *codec_conf;
1207         int num_configs;
1208
1209         /*
1210          * optional auxiliary devices such as amplifiers or codecs with DAI
1211          * link unused
1212          */
1213         struct snd_soc_aux_dev *aux_dev;
1214         int num_aux_devs;
1215         struct list_head aux_comp_list;
1216
1217         const struct snd_kcontrol_new *controls;
1218         int num_controls;
1219
1220         /*
1221          * Card-specific routes and widgets.
1222          * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1223          */
1224         const struct snd_soc_dapm_widget *dapm_widgets;
1225         int num_dapm_widgets;
1226         const struct snd_soc_dapm_route *dapm_routes;
1227         int num_dapm_routes;
1228         const struct snd_soc_dapm_widget *of_dapm_widgets;
1229         int num_of_dapm_widgets;
1230         const struct snd_soc_dapm_route *of_dapm_routes;
1231         int num_of_dapm_routes;
1232         bool fully_routed;
1233
1234         struct work_struct deferred_resume_work;
1235
1236         /* lists of probed devices belonging to this card */
1237         struct list_head component_dev_list;
1238
1239         struct list_head widgets;
1240         struct list_head paths;
1241         struct list_head dapm_list;
1242         struct list_head dapm_dirty;
1243
1244         /* attached dynamic objects */
1245         struct list_head dobj_list;
1246
1247         /* Generic DAPM context for the card */
1248         struct snd_soc_dapm_context dapm;
1249         struct snd_soc_dapm_stats dapm_stats;
1250         struct snd_soc_dapm_update *update;
1251
1252 #ifdef CONFIG_DEBUG_FS
1253         struct dentry *debugfs_card_root;
1254         struct dentry *debugfs_pop_time;
1255 #endif
1256         u32 pop_time;
1257
1258         void *drvdata;
1259 };
1260
1261 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1262 struct snd_soc_pcm_runtime {
1263         struct device *dev;
1264         struct snd_soc_card *card;
1265         struct snd_soc_dai_link *dai_link;
1266         struct mutex pcm_mutex;
1267         enum snd_soc_pcm_subclass pcm_subclass;
1268         struct snd_pcm_ops ops;
1269
1270         /* Dynamic PCM BE runtime data */
1271         struct snd_soc_dpcm_runtime dpcm[2];
1272         int fe_compr;
1273
1274         long pmdown_time;
1275
1276         /* runtime devices */
1277         struct snd_pcm *pcm;
1278         struct snd_compr *compr;
1279         struct snd_soc_codec *codec;
1280         struct snd_soc_platform *platform; /* will be removed */
1281         struct snd_soc_dai *codec_dai;
1282         struct snd_soc_dai *cpu_dai;
1283
1284         struct snd_soc_dai **codec_dais;
1285         unsigned int num_codecs;
1286
1287         struct delayed_work delayed_work;
1288 #ifdef CONFIG_DEBUG_FS
1289         struct dentry *debugfs_dpcm_root;
1290 #endif
1291
1292         unsigned int num; /* 0-based and monotonic increasing */
1293         struct list_head list; /* rtd list of the soc card */
1294         struct list_head component_list; /* list of connected components */
1295
1296         /* bit field */
1297         unsigned int dev_registered:1;
1298         unsigned int pop_wait:1;
1299 };
1300
1301 /* mixer control */
1302 struct soc_mixer_control {
1303         int min, max, platform_max;
1304         int reg, rreg;
1305         unsigned int shift, rshift;
1306         unsigned int sign_bit;
1307         unsigned int invert:1;
1308         unsigned int autodisable:1;
1309         struct snd_soc_dobj dobj;
1310 };
1311
1312 struct soc_bytes {
1313         int base;
1314         int num_regs;
1315         u32 mask;
1316 };
1317
1318 struct soc_bytes_ext {
1319         int max;
1320         struct snd_soc_dobj dobj;
1321
1322         /* used for TLV byte control */
1323         int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1324                         unsigned int size);
1325         int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1326                         unsigned int size);
1327 };
1328
1329 /* multi register control */
1330 struct soc_mreg_control {
1331         long min, max;
1332         unsigned int regbase, regcount, nbits, invert;
1333 };
1334
1335 /* enumerated kcontrol */
1336 struct soc_enum {
1337         int reg;
1338         unsigned char shift_l;
1339         unsigned char shift_r;
1340         unsigned int items;
1341         unsigned int mask;
1342         const char * const *texts;
1343         const unsigned int *values;
1344         unsigned int autodisable:1;
1345         struct snd_soc_dobj dobj;
1346 };
1347
1348 /**
1349  * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1350  * @component: The component to cast to a CODEC
1351  *
1352  * This function must only be used on components that are known to be CODECs.
1353  * Otherwise the behavior is undefined.
1354  */
1355 static inline struct snd_soc_codec *snd_soc_component_to_codec(
1356         struct snd_soc_component *component)
1357 {
1358         return container_of(component, struct snd_soc_codec, component);
1359 }
1360
1361 /**
1362  * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1363  * @component: The component to cast to a platform
1364  *
1365  * This function must only be used on components that are known to be platforms.
1366  * Otherwise the behavior is undefined.
1367  */
1368 static inline struct snd_soc_platform *snd_soc_component_to_platform(
1369         struct snd_soc_component *component)
1370 {
1371         return container_of(component, struct snd_soc_platform, component);
1372 }
1373
1374 /**
1375  * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1376  *  embedded in
1377  * @dapm: The DAPM context to cast to the component
1378  *
1379  * This function must only be used on DAPM contexts that are known to be part of
1380  * a component (e.g. in a component driver). Otherwise the behavior is
1381  * undefined.
1382  */
1383 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1384         struct snd_soc_dapm_context *dapm)
1385 {
1386         return container_of(dapm, struct snd_soc_component, dapm);
1387 }
1388
1389 /**
1390  * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1391  * @dapm: The DAPM context to cast to the CODEC
1392  *
1393  * This function must only be used on DAPM contexts that are known to be part of
1394  * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1395  */
1396 static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1397         struct snd_soc_dapm_context *dapm)
1398 {
1399         return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1400 }
1401
1402 /**
1403  * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1404  *  embedded in
1405  * @dapm: The DAPM context to cast to the platform.
1406  *
1407  * This function must only be used on DAPM contexts that are known to be part of
1408  * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1409  */
1410 static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1411         struct snd_soc_dapm_context *dapm)
1412 {
1413         return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1414 }
1415
1416 /**
1417  * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1418  *  component
1419  * @component: The component for which to get the DAPM context
1420  */
1421 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1422         struct snd_soc_component *component)
1423 {
1424         return &component->dapm;
1425 }
1426
1427 /**
1428  * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1429  * @codec: The CODEC for which to get the DAPM context
1430  *
1431  * Note: Use this function instead of directly accessing the CODEC's dapm field
1432  */
1433 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1434         struct snd_soc_codec *codec)
1435 {
1436         return snd_soc_component_get_dapm(&codec->component);
1437 }
1438
1439 /**
1440  * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1441  * @codec: The CODEC for which to initialize the DAPM bias level
1442  * @level: The DAPM level to initialize to
1443  *
1444  * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1445  */
1446 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1447         enum snd_soc_bias_level level)
1448 {
1449         snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1450 }
1451
1452 /**
1453  * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
1454  * @component: The COMPONENT for which to initialize the DAPM bias level
1455  * @level: The DAPM level to initialize to
1456  *
1457  * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
1458  */
1459 static inline void
1460 snd_soc_component_init_bias_level(struct snd_soc_component *component,
1461                                   enum snd_soc_bias_level level)
1462 {
1463         snd_soc_dapm_init_bias_level(
1464                 snd_soc_component_get_dapm(component), level);
1465 }
1466
1467 /**
1468  * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1469  * @codec: The CODEC for which to get the DAPM bias level
1470  *
1471  * Returns: The current DAPM bias level of the CODEC.
1472  */
1473 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1474         struct snd_soc_codec *codec)
1475 {
1476         return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1477 }
1478
1479 /**
1480  * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
1481  * @component: The COMPONENT for which to get the DAPM bias level
1482  *
1483  * Returns: The current DAPM bias level of the COMPONENT.
1484  */
1485 static inline enum snd_soc_bias_level
1486 snd_soc_component_get_bias_level(struct snd_soc_component *component)
1487 {
1488         return snd_soc_dapm_get_bias_level(
1489                 snd_soc_component_get_dapm(component));
1490 }
1491
1492 /**
1493  * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1494  * @codec: The CODEC for which to set the level
1495  * @level: The level to set to
1496  *
1497  * Forces the CODEC bias level to a specific state. See
1498  * snd_soc_dapm_force_bias_level().
1499  */
1500 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1501         enum snd_soc_bias_level level)
1502 {
1503         return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1504                 level);
1505 }
1506
1507 /**
1508  * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
1509  * @component: The COMPONENT for which to set the level
1510  * @level: The level to set to
1511  *
1512  * Forces the COMPONENT bias level to a specific state. See
1513  * snd_soc_dapm_force_bias_level().
1514  */
1515 static inline int
1516 snd_soc_component_force_bias_level(struct snd_soc_component *component,
1517                                    enum snd_soc_bias_level level)
1518 {
1519         return snd_soc_dapm_force_bias_level(
1520                 snd_soc_component_get_dapm(component),
1521                 level);
1522 }
1523
1524 /**
1525  * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1526  * @kcontrol: The kcontrol
1527  *
1528  * This function must only be used on DAPM contexts that are known to be part of
1529  * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1530  */
1531 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1532         struct snd_kcontrol *kcontrol)
1533 {
1534         return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1535 }
1536
1537 /**
1538  * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
1539  * @kcontrol: The kcontrol
1540  *
1541  * This function must only be used on DAPM contexts that are known to be part of
1542  * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
1543  */
1544 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
1545         struct snd_kcontrol *kcontrol)
1546 {
1547         return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
1548 }
1549
1550 /* codec IO */
1551 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1552 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1553         unsigned int val);
1554
1555 /**
1556  * snd_soc_cache_sync() - Sync the register cache with the hardware
1557  * @codec: CODEC to sync
1558  *
1559  * Note: This function will call regcache_sync()
1560  */
1561 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1562 {
1563         return regcache_sync(codec->component.regmap);
1564 }
1565
1566 /**
1567  * snd_soc_component_cache_sync() - Sync the register cache with the hardware
1568  * @component: COMPONENT to sync
1569  *
1570  * Note: This function will call regcache_sync()
1571  */
1572 static inline int snd_soc_component_cache_sync(
1573         struct snd_soc_component *component)
1574 {
1575         return regcache_sync(component->regmap);
1576 }
1577
1578 /* component IO */
1579 int snd_soc_component_read(struct snd_soc_component *component,
1580         unsigned int reg, unsigned int *val);
1581 unsigned int snd_soc_component_read32(struct snd_soc_component *component,
1582                                       unsigned int reg);
1583 int snd_soc_component_write(struct snd_soc_component *component,
1584         unsigned int reg, unsigned int val);
1585 int snd_soc_component_update_bits(struct snd_soc_component *component,
1586         unsigned int reg, unsigned int mask, unsigned int val);
1587 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1588         unsigned int reg, unsigned int mask, unsigned int val);
1589 void snd_soc_component_async_complete(struct snd_soc_component *component);
1590 int snd_soc_component_test_bits(struct snd_soc_component *component,
1591         unsigned int reg, unsigned int mask, unsigned int value);
1592
1593 /* component wide operations */
1594 int snd_soc_component_set_sysclk(struct snd_soc_component *component,
1595                         int clk_id, int source, unsigned int freq, int dir);
1596 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
1597                               int source, unsigned int freq_in,
1598                               unsigned int freq_out);
1599 int snd_soc_component_set_jack(struct snd_soc_component *component,
1600                                struct snd_soc_jack *jack, void *data);
1601
1602 #ifdef CONFIG_REGMAP
1603
1604 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1605         struct regmap *regmap);
1606 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1607
1608 /**
1609  * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1610  * @codec: The CODEC for which to initialize the regmap instance
1611  * @regmap: The regmap instance that should be used by the CODEC
1612  *
1613  * This function allows deferred assignment of the regmap instance that is
1614  * associated with the CODEC. Only use this if the regmap instance is not yet
1615  * ready when the CODEC is registered. The function must also be called before
1616  * the first IO attempt of the CODEC.
1617  */
1618 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1619         struct regmap *regmap)
1620 {
1621         snd_soc_component_init_regmap(&codec->component, regmap);
1622 }
1623
1624 /**
1625  * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1626  * @codec: The CODEC for which to de-initialize the regmap instance
1627  *
1628  * Calls regmap_exit() on the regmap instance associated to the CODEC and
1629  * removes the regmap instance from the CODEC.
1630  *
1631  * This function should only be used if snd_soc_codec_init_regmap() was used to
1632  * initialize the regmap instance.
1633  */
1634 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1635 {
1636         snd_soc_component_exit_regmap(&codec->component);
1637 }
1638
1639 #endif
1640
1641 /* device driver data */
1642
1643 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1644                 void *data)
1645 {
1646         card->drvdata = data;
1647 }
1648
1649 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1650 {
1651         return card->drvdata;
1652 }
1653
1654 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1655                 void *data)
1656 {
1657         dev_set_drvdata(c->dev, data);
1658 }
1659
1660 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1661 {
1662         return dev_get_drvdata(c->dev);
1663 }
1664
1665 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1666                 void *data)
1667 {
1668         snd_soc_component_set_drvdata(&codec->component, data);
1669 }
1670
1671 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1672 {
1673         return snd_soc_component_get_drvdata(&codec->component);
1674 }
1675
1676 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1677                 void *data)
1678 {
1679         snd_soc_component_set_drvdata(&platform->component, data);
1680 }
1681
1682 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1683 {
1684         return snd_soc_component_get_drvdata(&platform->component);
1685 }
1686
1687 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1688 {
1689         INIT_LIST_HEAD(&card->widgets);
1690         INIT_LIST_HEAD(&card->paths);
1691         INIT_LIST_HEAD(&card->dapm_list);
1692         INIT_LIST_HEAD(&card->aux_comp_list);
1693         INIT_LIST_HEAD(&card->component_dev_list);
1694 }
1695
1696 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1697 {
1698         if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1699                 return 0;
1700         /*
1701          * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1702          * mc->reg != mc->rreg means that the control is
1703          * stereo (bits in one register or in two registers)
1704          */
1705         return 1;
1706 }
1707
1708 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1709         unsigned int val)
1710 {
1711         unsigned int i;
1712
1713         if (!e->values)
1714                 return val;
1715
1716         for (i = 0; i < e->items; i++)
1717                 if (val == e->values[i])
1718                         return i;
1719
1720         return 0;
1721 }
1722
1723 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1724         unsigned int item)
1725 {
1726         if (!e->values)
1727                 return item;
1728
1729         return e->values[item];
1730 }
1731
1732 static inline bool snd_soc_component_is_active(
1733         struct snd_soc_component *component)
1734 {
1735         return component->active != 0;
1736 }
1737
1738 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1739 {
1740         return snd_soc_component_is_active(&codec->component);
1741 }
1742
1743 /**
1744  * snd_soc_kcontrol_component() - Returns the component that registered the
1745  *  control
1746  * @kcontrol: The control for which to get the component
1747  *
1748  * Note: This function will work correctly if the control has been registered
1749  * for a component. Either with snd_soc_add_codec_controls() or
1750  * snd_soc_add_platform_controls() or via  table based setup for either a
1751  * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1752  */
1753 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1754         struct snd_kcontrol *kcontrol)
1755 {
1756         return snd_kcontrol_chip(kcontrol);
1757 }
1758
1759 /**
1760  * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1761  * @kcontrol: The control for which to get the CODEC
1762  *
1763  * Note: This function will only work correctly if the control has been
1764  * registered with snd_soc_add_codec_controls() or via table based setup of
1765  * snd_soc_codec_driver. Otherwise the behavior is undefined.
1766  */
1767 static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1768         struct snd_kcontrol *kcontrol)
1769 {
1770         return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1771 }
1772
1773 /**
1774  * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1775  * @kcontrol: The control for which to get the platform
1776  *
1777  * Note: This function will only work correctly if the control has been
1778  * registered with snd_soc_add_platform_controls() or via table based setup of
1779  * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1780  */
1781 static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1782         struct snd_kcontrol *kcontrol)
1783 {
1784         return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1785 }
1786
1787 int snd_soc_util_init(void);
1788 void snd_soc_util_exit(void);
1789
1790 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1791                                const char *propname);
1792 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1793                                           const char *propname);
1794 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1795                               unsigned int *tx_mask,
1796                               unsigned int *rx_mask,
1797                               unsigned int *slots,
1798                               unsigned int *slot_width);
1799 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1800                                    struct snd_soc_codec_conf *codec_conf,
1801                                    struct device_node *of_node,
1802                                    const char *propname);
1803 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1804                                    const char *propname);
1805 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1806                                      const char *prefix,
1807                                      struct device_node **bitclkmaster,
1808                                      struct device_node **framemaster);
1809 int snd_soc_get_dai_id(struct device_node *ep);
1810 int snd_soc_get_dai_name(struct of_phandle_args *args,
1811                          const char **dai_name);
1812 int snd_soc_of_get_dai_name(struct device_node *of_node,
1813                             const char **dai_name);
1814 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1815                                    struct device_node *of_node,
1816                                    struct snd_soc_dai_link *dai_link);
1817 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1818
1819 int snd_soc_add_dai_link(struct snd_soc_card *card,
1820                                 struct snd_soc_dai_link *dai_link);
1821 void snd_soc_remove_dai_link(struct snd_soc_card *card,
1822                              struct snd_soc_dai_link *dai_link);
1823 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1824                                                int id, const char *name,
1825                                                const char *stream_name);
1826
1827 int snd_soc_register_dai(struct snd_soc_component *component,
1828         struct snd_soc_dai_driver *dai_drv);
1829
1830 struct snd_soc_dai *snd_soc_find_dai(
1831         const struct snd_soc_dai_link_component *dlc);
1832
1833 #include <sound/soc-dai.h>
1834
1835 static inline
1836 struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1837                                                const char *dai_name)
1838 {
1839         struct snd_soc_pcm_runtime *rtd;
1840
1841         list_for_each_entry(rtd, &card->rtd_list, list) {
1842                 if (!strcmp(rtd->codec_dai->name, dai_name))
1843                         return rtd->codec_dai;
1844         }
1845
1846         return NULL;
1847 }
1848
1849 #ifdef CONFIG_DEBUG_FS
1850 extern struct dentry *snd_soc_debugfs_root;
1851 #endif
1852
1853 extern const struct dev_pm_ops snd_soc_pm_ops;
1854
1855 /* Helper functions */
1856 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1857 {
1858         mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1859 }
1860
1861 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1862 {
1863         mutex_unlock(&dapm->card->dapm_mutex);
1864 }
1865
1866 int snd_soc_component_enable_pin(struct snd_soc_component *component,
1867                                  const char *pin);
1868 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1869                                           const char *pin);
1870 int snd_soc_component_disable_pin(struct snd_soc_component *component,
1871                                   const char *pin);
1872 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1873                                            const char *pin);
1874 int snd_soc_component_nc_pin(struct snd_soc_component *component,
1875                              const char *pin);
1876 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1877                                       const char *pin);
1878 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1879                                      const char *pin);
1880 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1881                                        const char *pin);
1882 int snd_soc_component_force_enable_pin_unlocked(
1883                                         struct snd_soc_component *component,
1884                                         const char *pin);
1885
1886 #endif