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