include/sound/soc.h

   1 /* SPDX-License-Identifier: GPL-2.0
   2  *
   3  * linux/sound/soc.h -- ALSA SoC Layer
   4  *
   5  * Author:      Liam Girdwood
   6  * Created:     Aug 11th 2005
   7  * Copyright:   Wolfson Microelectronics. PLC.
   8  */
   9
  10 #ifndef __LINUX_SND_SOC_H
  11 #define __LINUX_SND_SOC_H
  12
  13 #include <linux/of.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/types.h>
  16 #include <linux/notifier.h>
  17 #include <linux/workqueue.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/kernel.h>
  20 #include <linux/regmap.h>
  21 #include <linux/log2.h>
  22 #include <sound/core.h>
  23 #include <sound/pcm.h>
  24 #include <sound/compress_driver.h>
  25 #include <sound/control.h>
  26 #include <sound/ac97_codec.h>
  27
  28 /*
  29  * Convenience kcontrol builders
  30  */
  31 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
  32         ((unsigned long)&(struct soc_mixer_control) \
  33         {.reg = xreg, .rreg = xreg, .shift = shift_left, \
  34         .rshift = shift_right, .max = xmax, .platform_max = xmax, \
  35         .invert = xinvert, .autodisable = xautodisable})
  36 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
  37         ((unsigned long)&(struct soc_mixer_control) \
  38         {.reg = xreg, .rreg = xreg, .shift = shift_left, \
  39         .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
  40         .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
  41 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
  42         SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
  43 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
  44         ((unsigned long)&(struct soc_mixer_control) \
  45         {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
  46 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
  47         ((unsigned long)&(struct soc_mixer_control) \
  48         {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  49         .max = xmax, .platform_max = xmax, .invert = xinvert})
  50 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
  51         ((unsigned long)&(struct soc_mixer_control) \
  52         {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  53         .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
  54         .invert = xinvert})
  55 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
  56         ((unsigned long)&(struct soc_mixer_control) \
  57         {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  58         .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
  59 #define SOC_SINGLE(xname, reg, shift, max, invert) \
  60 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  61         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  62         .put = snd_soc_put_volsw, \
  63         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
  64 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
  65 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  66         .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
  67         .put = snd_soc_put_volsw_range, \
  68         .private_value = (unsigned long)&(struct soc_mixer_control) \
  69                 {.reg = xreg, .rreg = xreg, .shift = xshift, \
  70                  .rshift = xshift,  .min = xmin, .max = xmax, \
  71                  .platform_max = xmax, .invert = xinvert} }
  72 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
  73 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  74         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  75                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  76         .tlv.p = (tlv_array), \
  77         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  78         .put = snd_soc_put_volsw, \
  79         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
  80 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
  81 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  82         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  83         SNDRV_CTL_ELEM_ACCESS_READWRITE, \
  84         .tlv.p  = (tlv_array),\
  85         .info = snd_soc_info_volsw_sx, \
  86         .get = snd_soc_get_volsw_sx,\
  87         .put = snd_soc_put_volsw_sx, \
  88         .private_value = (unsigned long)&(struct soc_mixer_control) \
  89                 {.reg = xreg, .rreg = xreg, \
  90                 .shift = xshift, .rshift = xshift, \
  91                 .max = xmax, .min = xmin} }
  92 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
  93 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  94         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  95                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  96         .tlv.p = (tlv_array), \
  97         .info = snd_soc_info_volsw_range, \
  98         .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
  99         .private_value = (unsigned long)&(struct soc_mixer_control) \
 100                 {.reg = xreg, .rreg = xreg, .shift = xshift, \
 101                  .rshift = xshift, .min = xmin, .max = xmax, \
 102                  .platform_max = xmax, .invert = xinvert} }
 103 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
 104 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 105         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
 106         .put = snd_soc_put_volsw, \
 107         .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 108                                           max, invert, 0) }
 109 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
 110 {                                                                       \
 111         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),           \
 112         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,           \
 113         .access = SNDRV_CTL_ELEM_ACCESS_READ |                          \
 114                 SNDRV_CTL_ELEM_ACCESS_VOLATILE,                         \
 115         .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 116                                           max, invert, 0) }
 117 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
 118 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 119         .info = snd_soc_info_volsw, \
 120         .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 121         .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 122                                             xmax, xinvert) }
 123 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
 124                            xmax, xinvert)               \
 125 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 126         .info = snd_soc_info_volsw_range, \
 127         .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 128         .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
 129                                             xshift, xmin, xmax, xinvert) }
 130 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
 131 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 132         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 133                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 134         .tlv.p = (tlv_array), \
 135         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
 136         .put = snd_soc_put_volsw, \
 137         .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 138                                           max, invert, 0) }
 139 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
 140 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 141         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 142                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 143         .tlv.p = (tlv_array), \
 144         .info = snd_soc_info_volsw, \
 145         .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 146         .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 147                                             xmax, xinvert) }
 148 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
 149                                xmax, xinvert, tlv_array)                \
 150 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 151         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 152                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 153         .tlv.p = (tlv_array), \
 154         .info = snd_soc_info_volsw_range, \
 155         .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 156         .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
 157                                             xshift, xmin, xmax, xinvert) }
 158 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
 159 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 160         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 161         SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 162         .tlv.p  = (tlv_array), \
 163         .info = snd_soc_info_volsw_sx, \
 164         .get = snd_soc_get_volsw_sx, \
 165         .put = snd_soc_put_volsw_sx, \
 166         .private_value = (unsigned long)&(struct soc_mixer_control) \
 167                 {.reg = xreg, .rreg = xrreg, \
 168                 .shift = xshift, .rshift = xshift, \
 169                 .max = xmax, .min = xmin} }
 170 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
 171 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 172         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 173                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 174         .tlv.p = (tlv_array), \
 175         .info = snd_soc_info_volsw, \
 176         .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 177         .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
 178                                             xmin, xmax, xsign_bit, xinvert) }
 179 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 180 {       .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 181         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 182                   SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 183         .tlv.p  = (tlv_array), \
 184         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 185         .put = snd_soc_put_volsw, \
 186         .private_value = (unsigned long)&(struct soc_mixer_control) \
 187         {.reg = xreg, .rreg = xreg,  \
 188          .min = xmin, .max = xmax, .platform_max = xmax, \
 189         .sign_bit = 7,} }
 190 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 191 {       .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 192         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 193                   SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 194         .tlv.p  = (tlv_array), \
 195         .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 196         .put = snd_soc_put_volsw, \
 197         .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
 198 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
 199 {       .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 200         .items = xitems, .texts = xtexts, \
 201         .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
 202 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
 203         SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
 204 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
 205 {       .items = xitems, .texts = xtexts }
 206 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
 207 {       .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 208         .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
 209 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
 210         SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
 211 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
 212 {       .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
 213         .mask = xmask, .items = xitems, .texts = xtexts, \
 214         .values = xvalues, .autodisable = 1}
 215 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
 216         SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
 217 #define SOC_ENUM(xname, xenum) \
 218 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
 219         .info = snd_soc_info_enum_double, \
 220         .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
 221         .private_value = (unsigned long)&xenum }
 222 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
 223          xhandler_get, xhandler_put) \
 224 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 225         .info = snd_soc_info_volsw, \
 226         .get = xhandler_get, .put = xhandler_put, \
 227         .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 228 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
 229          xhandler_get, xhandler_put) \
 230 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 231         .info = snd_soc_info_volsw, \
 232         .get = xhandler_get, .put = xhandler_put, \
 233         .private_value = \
 234                 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
 235 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
 236          xhandler_get, xhandler_put) \
 237 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 238         .info = snd_soc_info_volsw, \
 239         .get = xhandler_get, .put = xhandler_put, \
 240         .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 241                                             xmax, xinvert) }
 242 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
 243          xhandler_get, xhandler_put, tlv_array) \
 244 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 245         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 246                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 247         .tlv.p = (tlv_array), \
 248         .info = snd_soc_info_volsw, \
 249         .get = xhandler_get, .put = xhandler_put, \
 250         .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 251 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
 252                                  xhandler_get, xhandler_put, tlv_array) \
 253 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 254         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 255                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 256         .tlv.p = (tlv_array), \
 257         .info = snd_soc_info_volsw_range, \
 258         .get = xhandler_get, .put = xhandler_put, \
 259         .private_value = (unsigned long)&(struct soc_mixer_control) \
 260                 {.reg = xreg, .rreg = xreg, .shift = xshift, \
 261                  .rshift = xshift, .min = xmin, .max = xmax, \
 262                  .platform_max = xmax, .invert = xinvert} }
 263 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
 264          xhandler_get, xhandler_put, tlv_array) \
 265 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 266         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 267                  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 268         .tlv.p = (tlv_array), \
 269         .info = snd_soc_info_volsw, \
 270         .get = xhandler_get, .put = xhandler_put, \
 271         .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
 272                                           xmax, xinvert, 0) }
 273 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
 274          xhandler_get, xhandler_put, tlv_array) \
 275 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 276         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 277                  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 278         .tlv.p = (tlv_array), \
 279         .info = snd_soc_info_volsw, \
 280         .get = xhandler_get, .put = xhandler_put, \
 281         .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 282                                             xmax, xinvert) }
 283 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
 284 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 285         .info = snd_soc_info_bool_ext, \
 286         .get = xhandler_get, .put = xhandler_put, \
 287         .private_value = xdata }
 288 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 289 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 290         .info = snd_soc_info_enum_double, \
 291         .get = xhandler_get, .put = xhandler_put, \
 292         .private_value = (unsigned long)&xenum }
 293 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 294         SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
 295
 296 #define SND_SOC_BYTES(xname, xbase, xregs)                    \
 297 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 298         .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 299         .put = snd_soc_bytes_put, .private_value =            \
 300                 ((unsigned long)&(struct soc_bytes)           \
 301                 {.base = xbase, .num_regs = xregs }) }
 302 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \
 303 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 304         .info = snd_soc_bytes_info, .get = xhandler_get, \
 305         .put = xhandler_put, .private_value = \
 306                 ((unsigned long)&(struct soc_bytes) \
 307                 {.base = xbase, .num_regs = xregs }) }
 308
 309 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)        \
 310 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 311         .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 312         .put = snd_soc_bytes_put, .private_value =            \
 313                 ((unsigned long)&(struct soc_bytes)           \
 314                 {.base = xbase, .num_regs = xregs,            \
 315                  .mask = xmask }) }
 316
 317 /*
 318  * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
 319  */
 320 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
 321 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 322         .info = snd_soc_bytes_info_ext, \
 323         .get = xhandler_get, .put = xhandler_put, \
 324         .private_value = (unsigned long)&(struct soc_bytes_ext) \
 325                 {.max = xcount} }
 326 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
 327 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 328         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
 329                   SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
 330         .tlv.c = (snd_soc_bytes_tlv_callback), \
 331         .info = snd_soc_bytes_info_ext, \
 332         .private_value = (unsigned long)&(struct soc_bytes_ext) \
 333                 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
 334 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
 335                 xmin, xmax, xinvert) \
 336 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 337         .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
 338         .put = snd_soc_put_xr_sx, \
 339         .private_value = (unsigned long)&(struct soc_mreg_control) \
 340                 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
 341                 .invert = xinvert, .min = xmin, .max = xmax} }
 342
 343 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
 344         SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
 345                 snd_soc_get_strobe, snd_soc_put_strobe)
 346
 347 /*
 348  * Simplified versions of above macros, declaring a struct and calculating
 349  * ARRAY_SIZE internally
 350  */
 351 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
 352         const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
 353                                                 ARRAY_SIZE(xtexts), xtexts)
 354 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
 355         SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
 356 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
 357         const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
 358 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
 359         const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
 360                                                         ARRAY_SIZE(xtexts), xtexts, xvalues)
 361 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 362         SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
 363
 364 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 365         const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
 366                 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
 367
 368 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
 369         const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
 370
 371 /*
 372  * Bias levels
 373  *
 374  * @ON:      Bias is fully on for audio playback and capture operations.
 375  * @PREPARE: Prepare for audio operations. Called before DAPM switching for
 376  *           stream start and stop operations.
 377  * @STANDBY: Low power standby state when no playback/capture operations are
 378  *           in progress. NOTE: The transition time between STANDBY and ON
 379  *           should be as fast as possible and no longer than 10ms.
 380  * @OFF:     Power Off. No restrictions on transition times.
 381  */
 382 enum snd_soc_bias_level {
 383         SND_SOC_BIAS_OFF = 0,
 384         SND_SOC_BIAS_STANDBY = 1,
 385         SND_SOC_BIAS_PREPARE = 2,
 386         SND_SOC_BIAS_ON = 3,
 387 };
 388
 389 struct device_node;
 390 struct snd_jack;
 391 struct snd_soc_card;
 392 struct snd_soc_pcm_stream;
 393 struct snd_soc_ops;
 394 struct snd_soc_pcm_runtime;
 395 struct snd_soc_dai;
 396 struct snd_soc_dai_driver;
 397 struct snd_soc_dai_link;
 398 struct snd_soc_component;
 399 struct snd_soc_component_driver;
 400 struct soc_enum;
 401 struct snd_soc_jack;
 402 struct snd_soc_jack_zone;
 403 struct snd_soc_jack_pin;
 404 #include <sound/soc-dapm.h>
 405 #include <sound/soc-dpcm.h>
 406 #include <sound/soc-topology.h>
 407
 408 struct snd_soc_jack_gpio;
 409
 410 typedef int (*hw_write_t)(void *,const char* ,int);
 411
 412 enum snd_soc_pcm_subclass {
 413         SND_SOC_PCM_CLASS_PCM   = 0,
 414         SND_SOC_PCM_CLASS_BE    = 1,
 415 };
 416
 417 enum snd_soc_card_subclass {
 418         SND_SOC_CARD_CLASS_INIT         = 0,
 419         SND_SOC_CARD_CLASS_RUNTIME      = 1,
 420 };
 421
 422 int snd_soc_register_card(struct snd_soc_card *card);
 423 int snd_soc_unregister_card(struct snd_soc_card *card);
 424 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
 425 #ifdef CONFIG_PM_SLEEP
 426 int snd_soc_suspend(struct device *dev);
 427 int snd_soc_resume(struct device *dev);
 428 #else
 429 static inline int snd_soc_suspend(struct device *dev)
 430 {
 431         return 0;
 432 }
 433
 434 static inline int snd_soc_resume(struct device *dev)
 435 {
 436         return 0;
 437 }
 438 #endif
 439 int snd_soc_poweroff(struct device *dev);
 440 int snd_soc_add_component(struct device *dev,
 441                 struct snd_soc_component *component,
 442                 const struct snd_soc_component_driver *component_driver,
 443                 struct snd_soc_dai_driver *dai_drv,
 444                 int num_dai);
 445 int snd_soc_register_component(struct device *dev,
 446                          const struct snd_soc_component_driver *component_driver,
 447                          struct snd_soc_dai_driver *dai_drv, int num_dai);
 448 int devm_snd_soc_register_component(struct device *dev,
 449                          const struct snd_soc_component_driver *component_driver,
 450                          struct snd_soc_dai_driver *dai_drv, int num_dai);
 451 void snd_soc_unregister_component(struct device *dev);
 452 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 453                                                    const char *driver_name);
 454
 455 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 456 #ifdef CONFIG_SND_SOC_COMPRESS
 457 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
 458 #else
 459 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 460 {
 461         return 0;
 462 }
 463 #endif
 464
 465 void snd_soc_disconnect_sync(struct device *dev);
 466
 467 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 468                                 struct snd_soc_dai_link *dai_link);
 469
 470 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 471 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
 472 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
 473
 474 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 475         unsigned int dai_fmt);
 476
 477 #ifdef CONFIG_DMI
 478 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
 479 #else
 480 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
 481                                        const char *flavour)
 482 {
 483         return 0;
 484 }
 485 #endif
 486
 487 /* Utility functions to get clock rates from various things */
 488 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
 489 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
 490 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 491 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
 492
 493 /* set runtime hw params */
 494 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 495         const struct snd_pcm_hardware *hw);
 496
 497 /* Jack reporting */
 498 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
 499         struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
 500         unsigned int num_pins);
 501
 502 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 503 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 504                           struct snd_soc_jack_pin *pins);
 505 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
 506                                     struct notifier_block *nb);
 507 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
 508                                       struct notifier_block *nb);
 509 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
 510                           struct snd_soc_jack_zone *zones);
 511 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
 512 #ifdef CONFIG_GPIOLIB
 513 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 514                         struct snd_soc_jack_gpio *gpios);
 515 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 516                             struct snd_soc_jack *jack,
 517                             int count, struct snd_soc_jack_gpio *gpios);
 518 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 519                         struct snd_soc_jack_gpio *gpios);
 520 #else
 521 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 522                                          struct snd_soc_jack_gpio *gpios)
 523 {
 524         return 0;
 525 }
 526
 527 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 528                                           struct snd_soc_jack *jack,
 529                                           int count,
 530                                           struct snd_soc_jack_gpio *gpios)
 531 {
 532         return 0;
 533 }
 534
 535 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 536                                            struct snd_soc_jack_gpio *gpios)
 537 {
 538 }
 539 #endif
 540
 541 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
 542 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
 543         unsigned int id, unsigned int id_mask);
 544 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
 545
 546 #ifdef CONFIG_SND_SOC_AC97_BUS
 547 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 548 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 549                 struct platform_device *pdev);
 550
 551 extern struct snd_ac97_bus_ops *soc_ac97_ops;
 552 #else
 553 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 554         struct platform_device *pdev)
 555 {
 556         return 0;
 557 }
 558
 559 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
 560 {
 561         return 0;
 562 }
 563 #endif
 564
 565 /*
 566  *Controls
 567  */
 568 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 569                                   void *data, const char *long_name,
 570                                   const char *prefix);
 571 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 572                                                const char *name);
 573 int snd_soc_add_component_controls(struct snd_soc_component *component,
 574         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 575 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 576         const struct snd_kcontrol_new *controls, int num_controls);
 577 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
 578         const struct snd_kcontrol_new *controls, int num_controls);
 579 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 580         struct snd_ctl_elem_info *uinfo);
 581 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 582         struct snd_ctl_elem_value *ucontrol);
 583 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 584         struct snd_ctl_elem_value *ucontrol);
 585 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 586         struct snd_ctl_elem_info *uinfo);
 587 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
 588                           struct snd_ctl_elem_info *uinfo);
 589 #define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 590 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 591         struct snd_ctl_elem_value *ucontrol);
 592 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 593         struct snd_ctl_elem_value *ucontrol);
 594 #define snd_soc_get_volsw_2r snd_soc_get_volsw
 595 #define snd_soc_put_volsw_2r snd_soc_put_volsw
 596 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
 597         struct snd_ctl_elem_value *ucontrol);
 598 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 599         struct snd_ctl_elem_value *ucontrol);
 600 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
 601         struct snd_ctl_elem_info *uinfo);
 602 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 603         struct snd_ctl_elem_value *ucontrol);
 604 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 605         struct snd_ctl_elem_value *ucontrol);
 606 int snd_soc_limit_volume(struct snd_soc_card *card,
 607         const char *name, int max);
 608 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
 609                        struct snd_ctl_elem_info *uinfo);
 610 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
 611                       struct snd_ctl_elem_value *ucontrol);
 612 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
 613                       struct snd_ctl_elem_value *ucontrol);
 614 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 615         struct snd_ctl_elem_info *ucontrol);
 616 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 617         unsigned int size, unsigned int __user *tlv);
 618 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
 619         struct snd_ctl_elem_info *uinfo);
 620 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 621         struct snd_ctl_elem_value *ucontrol);
 622 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 623         struct snd_ctl_elem_value *ucontrol);
 624 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
 625         struct snd_ctl_elem_value *ucontrol);
 626 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
 627         struct snd_ctl_elem_value *ucontrol);
 628
 629 /**
 630  * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 631  *
 632  * @pin:    name of the pin to update
 633  * @mask:   bits to check for in reported jack status
 634  * @invert: if non-zero then pin is enabled when status is not reported
 635  * @list:   internal list entry
 636  */
 637 struct snd_soc_jack_pin {
 638         struct list_head list;
 639         const char *pin;
 640         int mask;
 641         bool invert;
 642 };
 643
 644 /**
 645  * struct snd_soc_jack_zone - Describes voltage zones of jack detection
 646  *
 647  * @min_mv: start voltage in mv
 648  * @max_mv: end voltage in mv
 649  * @jack_type: type of jack that is expected for this voltage
 650  * @debounce_time: debounce_time for jack, codec driver should wait for this
 651  *              duration before reading the adc for voltages
 652  * @list:   internal list entry
 653  */
 654 struct snd_soc_jack_zone {
 655         unsigned int min_mv;
 656         unsigned int max_mv;
 657         unsigned int jack_type;
 658         unsigned int debounce_time;
 659         struct list_head list;
 660 };
 661
 662 /**
 663  * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 664  *
 665  * @gpio:         legacy gpio number
 666  * @idx:          gpio descriptor index within the function of the GPIO
 667  *                consumer device
 668  * @gpiod_dev:    GPIO consumer device
 669  * @name:         gpio name. Also as connection ID for the GPIO consumer
 670  *                device function name lookup
 671  * @report:       value to report when jack detected
 672  * @invert:       report presence in low state
 673  * @debounce_time: debounce time in ms
 674  * @wake:         enable as wake source
 675  * @jack_status_check: callback function which overrides the detection
 676  *                     to provide more complex checks (eg, reading an
 677  *                     ADC).
 678  */
 679 struct snd_soc_jack_gpio {
 680         unsigned int gpio;
 681         unsigned int idx;
 682         struct device *gpiod_dev;
 683         const char *name;
 684         int report;
 685         int invert;
 686         int debounce_time;
 687         bool wake;
 688
 689         /* private: */
 690         struct snd_soc_jack *jack;
 691         struct delayed_work work;
 692         struct notifier_block pm_notifier;
 693         struct gpio_desc *desc;
 694
 695         void *data;
 696         /* public: */
 697         int (*jack_status_check)(void *data);
 698 };
 699
 700 struct snd_soc_jack {
 701         struct mutex mutex;
 702         struct snd_jack *jack;
 703         struct snd_soc_card *card;
 704         struct list_head pins;
 705         int status;
 706         struct blocking_notifier_head notifier;
 707         struct list_head jack_zones;
 708 };
 709
 710 /* SoC PCM stream information */
 711 struct snd_soc_pcm_stream {
 712         const char *stream_name;
 713         u64 formats;                    /* SNDRV_PCM_FMTBIT_* */
 714         unsigned int rates;             /* SNDRV_PCM_RATE_* */
 715         unsigned int rate_min;          /* min rate */
 716         unsigned int rate_max;          /* max rate */
 717         unsigned int channels_min;      /* min channels */
 718         unsigned int channels_max;      /* max channels */
 719         unsigned int sig_bits;          /* number of bits of content */
 720 };
 721
 722 /* SoC audio ops */
 723 struct snd_soc_ops {
 724         int (*startup)(struct snd_pcm_substream *);
 725         void (*shutdown)(struct snd_pcm_substream *);
 726         int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 727         int (*hw_free)(struct snd_pcm_substream *);
 728         int (*prepare)(struct snd_pcm_substream *);
 729         int (*trigger)(struct snd_pcm_substream *, int);
 730 };
 731
 732 struct snd_soc_compr_ops {
 733         int (*startup)(struct snd_compr_stream *);
 734         void (*shutdown)(struct snd_compr_stream *);
 735         int (*set_params)(struct snd_compr_stream *);
 736         int (*trigger)(struct snd_compr_stream *);
 737 };
 738
 739 struct snd_soc_component*
 740 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
 741                        const char *driver_name);
 742
 743 struct snd_soc_dai_link_component {
 744         const char *name;
 745         struct device_node *of_node;
 746         const char *dai_name;
 747 };
 748
 749 struct snd_soc_dai_link {
 750         /* config - must be set by machine driver */
 751         const char *name;                       /* Codec name */
 752         const char *stream_name;                /* Stream name */
 753
 754         /*
 755          * You MAY specify the link's CPU-side device, either by device name,
 756          * or by DT/OF node, but not both. If this information is omitted,
 757          * the CPU-side DAI is matched using .cpu_dai_name only, which hence
 758          * must be globally unique. These fields are currently typically used
 759          * only for codec to codec links, or systems using device tree.
 760          */
 761         /*
 762          * You MAY specify the DAI name of the CPU DAI. If this information is
 763          * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
 764          * only, which only works well when that device exposes a single DAI.
 765          */
 766         struct snd_soc_dai_link_component *cpus;
 767         unsigned int num_cpus;
 768
 769         /*
 770          * You MUST specify the link's codec, either by device name, or by
 771          * DT/OF node, but not both.
 772          */
 773         /* You MUST specify the DAI name within the codec */
 774         struct snd_soc_dai_link_component *codecs;
 775         unsigned int num_codecs;
 776
 777         /*
 778          * You MAY specify the link's platform/PCM/DMA driver, either by
 779          * device name, or by DT/OF node, but not both. Some forms of link
 780          * do not need a platform. In such case, platforms are not mandatory.
 781          */
 782         struct snd_soc_dai_link_component *platforms;
 783         unsigned int num_platforms;
 784
 785         int id; /* optional ID for machine driver link identification */
 786
 787         const struct snd_soc_pcm_stream *params;
 788         unsigned int num_params;
 789
 790         unsigned int dai_fmt;           /* format to set on init */
 791
 792         enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
 793
 794         /* codec/machine specific init - e.g. add machine controls */
 795         int (*init)(struct snd_soc_pcm_runtime *rtd);
 796
 797         /* optional hw_params re-writing for BE and FE sync */
 798         int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
 799                         struct snd_pcm_hw_params *params);
 800
 801         /* machine stream operations */
 802         const struct snd_soc_ops *ops;
 803         const struct snd_soc_compr_ops *compr_ops;
 804
 805         /* Mark this pcm with non atomic ops */
 806         bool nonatomic;
 807
 808         /* For unidirectional dai links */
 809         unsigned int playback_only:1;
 810         unsigned int capture_only:1;
 811
 812         /* Keep DAI active over suspend */
 813         unsigned int ignore_suspend:1;
 814
 815         /* Symmetry requirements */
 816         unsigned int symmetric_rates:1;
 817         unsigned int symmetric_channels:1;
 818         unsigned int symmetric_samplebits:1;
 819
 820         /* Do not create a PCM for this DAI link (Backend link) */
 821         unsigned int no_pcm:1;
 822
 823         /* This DAI link can route to other DAI links at runtime (Frontend)*/
 824         unsigned int dynamic:1;
 825
 826         /* DPCM capture and Playback support */
 827         unsigned int dpcm_capture:1;
 828         unsigned int dpcm_playback:1;
 829
 830         /* DPCM used FE & BE merged format */
 831         unsigned int dpcm_merged_format:1;
 832         /* DPCM used FE & BE merged channel */
 833         unsigned int dpcm_merged_chan:1;
 834         /* DPCM used FE & BE merged rate */
 835         unsigned int dpcm_merged_rate:1;
 836
 837         /* pmdown_time is ignored at stop */
 838         unsigned int ignore_pmdown_time:1;
 839
 840         /* Do not create a PCM for this DAI link (Backend link) */
 841         unsigned int ignore:1;
 842
 843 #ifdef CONFIG_SND_SOC_TOPOLOGY
 844         struct snd_soc_dobj dobj; /* For topology */
 845 #endif
 846 };
 847 #define for_each_link_codecs(link, i, codec)                            \
 848         for ((i) = 0;                                                   \
 849              ((i) < link->num_codecs) && ((codec) = &link->codecs[i]);  \
 850              (i)++)
 851
 852 #define for_each_link_platforms(link, i, platform)                      \
 853         for ((i) = 0;                                                   \
 854              ((i) < link->num_platforms) &&                             \
 855              ((platform) = &link->platforms[i]);                        \
 856              (i)++)
 857
 858 /*
 859  * Sample 1 : Single CPU/Codec/Platform
 860  *
 861  * SND_SOC_DAILINK_DEFS(test,
 862  *      DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
 863  *      DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
 864  *      DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
 865  *
 866  * struct snd_soc_dai_link link = {
 867  *      ...
 868  *      SND_SOC_DAILINK_REG(test),
 869  * };
 870  *
 871  * Sample 2 : Multi CPU/Codec, no Platform
 872  *
 873  * SND_SOC_DAILINK_DEFS(test,
 874  *      DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
 875  *                         COMP_CPU("cpu_dai2")),
 876  *      DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
 877  *                         COMP_CODEC("codec2", "codec_dai2")));
 878  *
 879  * struct snd_soc_dai_link link = {
 880  *      ...
 881  *      SND_SOC_DAILINK_REG(test),
 882  * };
 883  *
 884  * Sample 3 : Define each CPU/Codec/Platform manually
 885  *
 886  * SND_SOC_DAILINK_DEF(test_cpu,
 887  *              DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
 888  *                                 COMP_CPU("cpu_dai2")));
 889  * SND_SOC_DAILINK_DEF(test_codec,
 890  *              DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
 891  *                                 COMP_CODEC("codec2", "codec_dai2")));
 892  * SND_SOC_DAILINK_DEF(test_platform,
 893  *              DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
 894  *
 895  * struct snd_soc_dai_link link = {
 896  *      ...
 897  *      SND_SOC_DAILINK_REG(test_cpu,
 898  *                          test_codec,
 899  *                          test_platform),
 900  * };
 901  *
 902  * Sample 4 : Sample3 without platform
 903  *
 904  * struct snd_soc_dai_link link = {
 905  *      ...
 906  *      SND_SOC_DAILINK_REG(test_cpu,
 907  *                          test_codec);
 908  * };
 909  */
 910
 911 #define SND_SOC_DAILINK_REG1(name)       SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
 912 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
 913 #define SND_SOC_DAILINK_REG3(cpu, codec, platform)      \
 914         .cpus           = cpu,                          \
 915         .num_cpus       = ARRAY_SIZE(cpu),              \
 916         .codecs         = codec,                        \
 917         .num_codecs     = ARRAY_SIZE(codec),            \
 918         .platforms      = platform,                     \
 919         .num_platforms  = ARRAY_SIZE(platform)
 920
 921 #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func
 922 #define SND_SOC_DAILINK_REG(...) \
 923         SND_SOC_DAILINK_REGx(__VA_ARGS__,               \
 924                         SND_SOC_DAILINK_REG3,   \
 925                         SND_SOC_DAILINK_REG2,   \
 926                         SND_SOC_DAILINK_REG1)(__VA_ARGS__)
 927
 928 #define SND_SOC_DAILINK_DEF(name, def...)               \
 929         static struct snd_soc_dai_link_component name[] = { def }
 930
 931 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...)     \
 932         SND_SOC_DAILINK_DEF(name##_cpus, cpu);                  \
 933         SND_SOC_DAILINK_DEF(name##_codecs, codec);              \
 934         SND_SOC_DAILINK_DEF(name##_platforms, platform)
 935
 936 #define DAILINK_COMP_ARRAY(param...)    param
 937 #define COMP_EMPTY()                    { }
 938 #define COMP_CPU(_dai)                  { .dai_name = _dai, }
 939 #define COMP_CODEC(_name, _dai)         { .name = _name, .dai_name = _dai, }
 940 #define COMP_PLATFORM(_name)            { .name = _name }
 941 #define COMP_AUX(_name)                 { .name = _name }
 942 #define COMP_CODEC_CONF(_name)          { .name = _name }
 943 #define COMP_DUMMY()                    { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", }
 944
 945 extern struct snd_soc_dai_link_component null_dailink_component[0];
 946
 947
 948 struct snd_soc_codec_conf {
 949         /*
 950          * specify device either by device name, or by
 951          * DT/OF node, but not both.
 952          */
 953         struct snd_soc_dai_link_component dlc;
 954
 955         /*
 956          * optional map of kcontrol, widget and path name prefixes that are
 957          * associated per device
 958          */
 959         const char *name_prefix;
 960 };
 961
 962 struct snd_soc_aux_dev {
 963         /*
 964          * specify multi-codec either by device name, or by
 965          * DT/OF node, but not both.
 966          */
 967         struct snd_soc_dai_link_component dlc;
 968
 969         /* codec/machine specific init - e.g. add machine controls */
 970         int (*init)(struct snd_soc_component *component);
 971 };
 972
 973 /* SoC card */
 974 struct snd_soc_card {
 975         const char *name;
 976         const char *long_name;
 977         const char *driver_name;
 978         const char *components;
 979 #ifdef CONFIG_DMI
 980         char dmi_longname[80];
 981 #endif /* CONFIG_DMI */
 982         char topology_shortname[32];
 983
 984         struct device *dev;
 985         struct snd_card *snd_card;
 986         struct module *owner;
 987
 988         struct mutex mutex;
 989         struct mutex dapm_mutex;
 990
 991         /* Mutex for PCM operations */
 992         struct mutex pcm_mutex;
 993         enum snd_soc_pcm_subclass pcm_subclass;
 994
 995         spinlock_t dpcm_lock;
 996
 997         bool instantiated;
 998         bool topology_shortname_created;
 999
1000         int (*probe)(struct snd_soc_card *card);
1001         int (*late_probe)(struct snd_soc_card *card);
1002         int (*remove)(struct snd_soc_card *card);
1003
1004         /* the pre and post PM functions are used to do any PM work before and
1005          * after the codec and DAI's do any PM work. */
1006         int (*suspend_pre)(struct snd_soc_card *card);
1007         int (*suspend_post)(struct snd_soc_card *card);
1008         int (*resume_pre)(struct snd_soc_card *card);
1009         int (*resume_post)(struct snd_soc_card *card);
1010
1011         /* callbacks */
1012         int (*set_bias_level)(struct snd_soc_card *,
1013                               struct snd_soc_dapm_context *dapm,
1014                               enum snd_soc_bias_level level);
1015         int (*set_bias_level_post)(struct snd_soc_card *,
1016                                    struct snd_soc_dapm_context *dapm,
1017                                    enum snd_soc_bias_level level);
1018
1019         int (*add_dai_link)(struct snd_soc_card *,
1020                             struct snd_soc_dai_link *link);
1021         void (*remove_dai_link)(struct snd_soc_card *,
1022                             struct snd_soc_dai_link *link);
1023
1024         long pmdown_time;
1025
1026         /* CPU <--> Codec DAI links  */
1027         struct snd_soc_dai_link *dai_link;  /* predefined links only */
1028         int num_links;  /* predefined links only */
1029
1030         struct list_head rtd_list;
1031         int num_rtd;
1032
1033         /* optional codec specific configuration */
1034         struct snd_soc_codec_conf *codec_conf;
1035         int num_configs;
1036
1037         /*
1038          * optional auxiliary devices such as amplifiers or codecs with DAI
1039          * link unused
1040          */
1041         struct snd_soc_aux_dev *aux_dev;
1042         int num_aux_devs;
1043         struct list_head aux_comp_list;
1044
1045         const struct snd_kcontrol_new *controls;
1046         int num_controls;
1047
1048         /*
1049          * Card-specific routes and widgets.
1050          * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1051          */
1052         const struct snd_soc_dapm_widget *dapm_widgets;
1053         int num_dapm_widgets;
1054         const struct snd_soc_dapm_route *dapm_routes;
1055         int num_dapm_routes;
1056         const struct snd_soc_dapm_widget *of_dapm_widgets;
1057         int num_of_dapm_widgets;
1058         const struct snd_soc_dapm_route *of_dapm_routes;
1059         int num_of_dapm_routes;
1060         bool fully_routed;
1061
1062         /* lists of probed devices belonging to this card */
1063         struct list_head component_dev_list;
1064         struct list_head list;
1065
1066         struct list_head widgets;
1067         struct list_head paths;
1068         struct list_head dapm_list;
1069         struct list_head dapm_dirty;
1070
1071         /* attached dynamic objects */
1072         struct list_head dobj_list;
1073
1074         /* Generic DAPM context for the card */
1075         struct snd_soc_dapm_context dapm;
1076         struct snd_soc_dapm_stats dapm_stats;
1077         struct snd_soc_dapm_update *update;
1078
1079 #ifdef CONFIG_DEBUG_FS
1080         struct dentry *debugfs_card_root;
1081 #endif
1082 #ifdef CONFIG_PM_SLEEP
1083         struct work_struct deferred_resume_work;
1084 #endif
1085         u32 pop_time;
1086
1087         void *drvdata;
1088 };
1089 #define for_each_card_prelinks(card, i, link)                           \
1090         for ((i) = 0;                                                   \
1091              ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1092              (i)++)
1093 #define for_each_card_pre_auxs(card, i, aux)                            \
1094         for ((i) = 0;                                                   \
1095              ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1096              (i)++)
1097
1098 #define for_each_card_rtds(card, rtd)                   \
1099         list_for_each_entry(rtd, &(card)->rtd_list, list)
1100 #define for_each_card_rtds_safe(card, rtd, _rtd)        \
1101         list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1102
1103 #define for_each_card_auxs(card, component)                     \
1104         list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1105 #define for_each_card_auxs_safe(card, component, _comp) \
1106         list_for_each_entry_safe(component, _comp,      \
1107                                  &card->aux_comp_list, card_aux_list)
1108
1109 #define for_each_card_components(card, component)                       \
1110         list_for_each_entry(component, &(card)->component_dev_list, card_list)
1111
1112 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1113 struct snd_soc_pcm_runtime {
1114         struct device *dev;
1115         struct snd_soc_card *card;
1116         struct snd_soc_dai_link *dai_link;
1117         struct snd_pcm_ops ops;
1118
1119         unsigned int params_select; /* currently selected param for dai link */
1120
1121         /* Dynamic PCM BE runtime data */
1122         struct snd_soc_dpcm_runtime dpcm[2];
1123
1124         long pmdown_time;
1125
1126         /* runtime devices */
1127         struct snd_pcm *pcm;
1128         struct snd_compr *compr;
1129         struct snd_soc_dai *codec_dai;
1130         struct snd_soc_dai *cpu_dai;
1131
1132         struct snd_soc_dai **codec_dais;
1133         unsigned int num_codecs;
1134
1135         struct delayed_work delayed_work;
1136         void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
1137 #ifdef CONFIG_DEBUG_FS
1138         struct dentry *debugfs_dpcm_root;
1139 #endif
1140
1141         unsigned int num; /* 0-based and monotonic increasing */
1142         struct list_head list; /* rtd list of the soc card */
1143
1144         /* bit field */
1145         unsigned int pop_wait:1;
1146         unsigned int fe_compr:1; /* for Dynamic PCM */
1147
1148         int num_components;
1149         struct snd_soc_component *components[0]; /* CPU/Codec/Platform */
1150 };
1151 #define for_each_rtd_components(rtd, i, component)                      \
1152         for ((i) = 0;                                                   \
1153              ((i) < rtd->num_components) && ((component) = rtd->components[i]);\
1154              (i)++)
1155 #define for_each_rtd_codec_dai(rtd, i, dai)\
1156         for ((i) = 0;                                                  \
1157              ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \
1158              (i)++)
1159 #define for_each_rtd_codec_dai_rollback(rtd, i, dai)            \
1160         for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);)
1161
1162 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
1163
1164 /* mixer control */
1165 struct soc_mixer_control {
1166         int min, max, platform_max;
1167         int reg, rreg;
1168         unsigned int shift, rshift;
1169         unsigned int sign_bit;
1170         unsigned int invert:1;
1171         unsigned int autodisable:1;
1172 #ifdef CONFIG_SND_SOC_TOPOLOGY
1173         struct snd_soc_dobj dobj;
1174 #endif
1175 };
1176
1177 struct soc_bytes {
1178         int base;
1179         int num_regs;
1180         u32 mask;
1181 };
1182
1183 struct soc_bytes_ext {
1184         int max;
1185 #ifdef CONFIG_SND_SOC_TOPOLOGY
1186         struct snd_soc_dobj dobj;
1187 #endif
1188         /* used for TLV byte control */
1189         int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1190                         unsigned int size);
1191         int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1192                         unsigned int size);
1193 };
1194
1195 /* multi register control */
1196 struct soc_mreg_control {
1197         long min, max;
1198         unsigned int regbase, regcount, nbits, invert;
1199 };
1200
1201 /* enumerated kcontrol */
1202 struct soc_enum {
1203         int reg;
1204         unsigned char shift_l;
1205         unsigned char shift_r;
1206         unsigned int items;
1207         unsigned int mask;
1208         const char * const *texts;
1209         const unsigned int *values;
1210         unsigned int autodisable:1;
1211 #ifdef CONFIG_SND_SOC_TOPOLOGY
1212         struct snd_soc_dobj dobj;
1213 #endif
1214 };
1215
1216 /* device driver data */
1217
1218 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1219                 void *data)
1220 {
1221         card->drvdata = data;
1222 }
1223
1224 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1225 {
1226         return card->drvdata;
1227 }
1228
1229 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1230 {
1231         if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1232                 return 0;
1233         /*
1234          * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1235          * mc->reg != mc->rreg means that the control is
1236          * stereo (bits in one register or in two registers)
1237          */
1238         return 1;
1239 }
1240
1241 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1242         unsigned int val)
1243 {
1244         unsigned int i;
1245
1246         if (!e->values)
1247                 return val;
1248
1249         for (i = 0; i < e->items; i++)
1250                 if (val == e->values[i])
1251                         return i;
1252
1253         return 0;
1254 }
1255
1256 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1257         unsigned int item)
1258 {
1259         if (!e->values)
1260                 return item;
1261
1262         return e->values[item];
1263 }
1264
1265 /**
1266  * snd_soc_kcontrol_component() - Returns the component that registered the
1267  *  control
1268  * @kcontrol: The control for which to get the component
1269  *
1270  * Note: This function will work correctly if the control has been registered
1271  * for a component. With snd_soc_add_codec_controls() or via table based
1272  * setup for either a CODEC or component driver. Otherwise the behavior is
1273  * undefined.
1274  */
1275 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1276         struct snd_kcontrol *kcontrol)
1277 {
1278         return snd_kcontrol_chip(kcontrol);
1279 }
1280
1281 int snd_soc_util_init(void);
1282 void snd_soc_util_exit(void);
1283
1284 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1285                                const char *propname);
1286 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1287                                           const char *propname);
1288 int snd_soc_of_get_slot_mask(struct device_node *np,
1289                              const char *prop_name,
1290                              unsigned int *mask);
1291 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1292                               unsigned int *tx_mask,
1293                               unsigned int *rx_mask,
1294                               unsigned int *slots,
1295                               unsigned int *slot_width);
1296 void snd_soc_of_parse_node_prefix(struct device_node *np,
1297                                    struct snd_soc_codec_conf *codec_conf,
1298                                    struct device_node *of_node,
1299                                    const char *propname);
1300 static inline
1301 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1302                                    struct snd_soc_codec_conf *codec_conf,
1303                                    struct device_node *of_node,
1304                                    const char *propname)
1305 {
1306         snd_soc_of_parse_node_prefix(card->dev->of_node,
1307                                      codec_conf, of_node, propname);
1308 }
1309
1310 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1311                                    const char *propname);
1312 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1313                                      const char *prefix,
1314                                      struct device_node **bitclkmaster,
1315                                      struct device_node **framemaster);
1316 int snd_soc_get_dai_id(struct device_node *ep);
1317 int snd_soc_get_dai_name(struct of_phandle_args *args,
1318                          const char **dai_name);
1319 int snd_soc_of_get_dai_name(struct device_node *of_node,
1320                             const char **dai_name);
1321 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1322                                    struct device_node *of_node,
1323                                    struct snd_soc_dai_link *dai_link);
1324 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1325
1326 int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
1327                             struct snd_soc_dai_link *dai_link);
1328 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
1329                                 struct snd_soc_pcm_runtime *rtd);
1330
1331 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
1332                                          struct snd_soc_dai_driver *dai_drv,
1333                                          bool legacy_dai_naming);
1334 void snd_soc_unregister_dai(struct snd_soc_dai *dai);
1335
1336 struct snd_soc_dai *snd_soc_find_dai(
1337         const struct snd_soc_dai_link_component *dlc);
1338
1339 #include <sound/soc-dai.h>
1340
1341 static inline
1342 struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1343                                                const char *dai_name)
1344 {
1345         struct snd_soc_pcm_runtime *rtd;
1346
1347         list_for_each_entry(rtd, &card->rtd_list, list) {
1348                 if (!strcmp(rtd->codec_dai->name, dai_name))
1349                         return rtd->codec_dai;
1350         }
1351
1352         return NULL;
1353 }
1354
1355 static inline
1356 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1357                                           const char *platform_name)
1358 {
1359         struct snd_soc_dai_link *dai_link;
1360         const char *name;
1361         int i;
1362
1363         if (!platform_name) /* nothing to do */
1364                 return 0;
1365
1366         /* set platform name for each dailink */
1367         for_each_card_prelinks(card, i, dai_link) {
1368                 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1369                 if (!name)
1370                         return -ENOMEM;
1371
1372                 if (!dai_link->platforms)
1373                         return -EINVAL;
1374
1375                 /* only single platform is supported for now */
1376                 dai_link->platforms->name = name;
1377         }
1378
1379         return 0;
1380 }
1381
1382 #ifdef CONFIG_DEBUG_FS
1383 extern struct dentry *snd_soc_debugfs_root;
1384 #endif
1385
1386 extern const struct dev_pm_ops snd_soc_pm_ops;
1387
1388 /* Helper functions */
1389 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1390 {
1391         mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1392 }
1393
1394 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1395 {
1396         mutex_unlock(&dapm->card->dapm_mutex);
1397 }
1398
1399 #include <sound/soc-component.h>
1400
1401 #endif