include/sound/soc.h

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This source file includes following definitions.
snd_soc_suspend
snd_soc_resume
snd_soc_new_compress
snd_soc_set_dmi_name
snd_soc_jack_add_gpios
snd_soc_jack_add_gpiods
snd_soc_jack_free_gpios
snd_soc_set_ac97_ops_of_reset
snd_soc_set_ac97_ops
snd_soc_card_set_drvdata
snd_soc_card_get_drvdata
snd_soc_volsw_is_stereo
snd_soc_enum_val_to_item
snd_soc_enum_item_to_val
snd_soc_kcontrol_component
snd_soc_of_parse_audio_prefix
snd_soc_card_get_codec_dai
snd_soc_fixup_dai_links_platform_name
snd_soc_dapm_mutex_lock
snd_soc_dapm_mutex_unlock
   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 
 303 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)        \
 304 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 305         .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 306         .put = snd_soc_bytes_put, .private_value =            \
 307                 ((unsigned long)&(struct soc_bytes)           \
 308                 {.base = xbase, .num_regs = xregs,            \
 309                  .mask = xmask }) }
 310 
 311 /*
 312  * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
 313  */
 314 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
 315 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 316         .info = snd_soc_bytes_info_ext, \
 317         .get = xhandler_get, .put = xhandler_put, \
 318         .private_value = (unsigned long)&(struct soc_bytes_ext) \
 319                 {.max = xcount} }
 320 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
 321 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 322         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
 323                   SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
 324         .tlv.c = (snd_soc_bytes_tlv_callback), \
 325         .info = snd_soc_bytes_info_ext, \
 326         .private_value = (unsigned long)&(struct soc_bytes_ext) \
 327                 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
 328 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
 329                 xmin, xmax, xinvert) \
 330 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 331         .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
 332         .put = snd_soc_put_xr_sx, \
 333         .private_value = (unsigned long)&(struct soc_mreg_control) \
 334                 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
 335                 .invert = xinvert, .min = xmin, .max = xmax} }
 336 
 337 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
 338         SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
 339                 snd_soc_get_strobe, snd_soc_put_strobe)
 340 
 341 /*
 342  * Simplified versions of above macros, declaring a struct and calculating
 343  * ARRAY_SIZE internally
 344  */
 345 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
 346         const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
 347                                                 ARRAY_SIZE(xtexts), xtexts)
 348 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
 349         SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
 350 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
 351         const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
 352 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
 353         const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
 354                                                         ARRAY_SIZE(xtexts), xtexts, xvalues)
 355 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 356         SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
 357 
 358 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 359         const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
 360                 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
 361 
 362 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
 363         const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
 364 
 365 /*
 366  * Bias levels
 367  *
 368  * @ON:      Bias is fully on for audio playback and capture operations.
 369  * @PREPARE: Prepare for audio operations. Called before DAPM switching for
 370  *           stream start and stop operations.
 371  * @STANDBY: Low power standby state when no playback/capture operations are
 372  *           in progress. NOTE: The transition time between STANDBY and ON
 373  *           should be as fast as possible and no longer than 10ms.
 374  * @OFF:     Power Off. No restrictions on transition times.
 375  */
 376 enum snd_soc_bias_level {
 377         SND_SOC_BIAS_OFF = 0,
 378         SND_SOC_BIAS_STANDBY = 1,
 379         SND_SOC_BIAS_PREPARE = 2,
 380         SND_SOC_BIAS_ON = 3,
 381 };
 382 
 383 struct device_node;
 384 struct snd_jack;
 385 struct snd_soc_card;
 386 struct snd_soc_pcm_stream;
 387 struct snd_soc_ops;
 388 struct snd_soc_pcm_runtime;
 389 struct snd_soc_dai;
 390 struct snd_soc_dai_driver;
 391 struct snd_soc_dai_link;
 392 struct snd_soc_component;
 393 struct snd_soc_component_driver;
 394 struct soc_enum;
 395 struct snd_soc_jack;
 396 struct snd_soc_jack_zone;
 397 struct snd_soc_jack_pin;
 398 #include <sound/soc-dapm.h>
 399 #include <sound/soc-dpcm.h>
 400 #include <sound/soc-topology.h>
 401 
 402 struct snd_soc_jack_gpio;
 403 
 404 typedef int (*hw_write_t)(void *,const char* ,int);
 405 
 406 enum snd_soc_pcm_subclass {
 407         SND_SOC_PCM_CLASS_PCM   = 0,
 408         SND_SOC_PCM_CLASS_BE    = 1,
 409 };
 410 
 411 enum snd_soc_card_subclass {
 412         SND_SOC_CARD_CLASS_INIT         = 0,
 413         SND_SOC_CARD_CLASS_RUNTIME      = 1,
 414 };
 415 
 416 int snd_soc_register_card(struct snd_soc_card *card);
 417 int snd_soc_unregister_card(struct snd_soc_card *card);
 418 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
 419 #ifdef CONFIG_PM_SLEEP
 420 int snd_soc_suspend(struct device *dev);
 421 int snd_soc_resume(struct device *dev);
 422 #else
 423 static inline int snd_soc_suspend(struct device *dev)
 424 {
 425         return 0;
 426 }
 427 
 428 static inline int snd_soc_resume(struct device *dev)
 429 {
 430         return 0;
 431 }
 432 #endif
 433 int snd_soc_poweroff(struct device *dev);
 434 int snd_soc_add_component(struct device *dev,
 435                 struct snd_soc_component *component,
 436                 const struct snd_soc_component_driver *component_driver,
 437                 struct snd_soc_dai_driver *dai_drv,
 438                 int num_dai);
 439 int snd_soc_register_component(struct device *dev,
 440                          const struct snd_soc_component_driver *component_driver,
 441                          struct snd_soc_dai_driver *dai_drv, int num_dai);
 442 int devm_snd_soc_register_component(struct device *dev,
 443                          const struct snd_soc_component_driver *component_driver,
 444                          struct snd_soc_dai_driver *dai_drv, int num_dai);
 445 void snd_soc_unregister_component(struct device *dev);
 446 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 447                                                    const char *driver_name);
 448 
 449 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 450 #ifdef CONFIG_SND_SOC_COMPRESS
 451 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
 452 #else
 453 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 454 {
 455         return 0;
 456 }
 457 #endif
 458 
 459 void snd_soc_disconnect_sync(struct device *dev);
 460 
 461 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
 462                 const char *dai_link, int stream);
 463 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 464                 const char *dai_link);
 465 
 466 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 467 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
 468 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
 469 
 470 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 471         unsigned int dai_fmt);
 472 
 473 #ifdef CONFIG_DMI
 474 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
 475 #else
 476 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
 477                                        const char *flavour)
 478 {
 479         return 0;
 480 }
 481 #endif
 482 
 483 /* Utility functions to get clock rates from various things */
 484 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
 485 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
 486 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 487 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
 488 
 489 /* set runtime hw params */
 490 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 491         const struct snd_pcm_hardware *hw);
 492 
 493 /* Jack reporting */
 494 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
 495         struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
 496         unsigned int num_pins);
 497 
 498 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 499 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 500                           struct snd_soc_jack_pin *pins);
 501 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
 502                                     struct notifier_block *nb);
 503 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
 504                                       struct notifier_block *nb);
 505 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
 506                           struct snd_soc_jack_zone *zones);
 507 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
 508 #ifdef CONFIG_GPIOLIB
 509 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 510                         struct snd_soc_jack_gpio *gpios);
 511 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 512                             struct snd_soc_jack *jack,
 513                             int count, struct snd_soc_jack_gpio *gpios);
 514 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 515                         struct snd_soc_jack_gpio *gpios);
 516 #else
 517 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 518                                          struct snd_soc_jack_gpio *gpios)
 519 {
 520         return 0;
 521 }
 522 
 523 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 524                                           struct snd_soc_jack *jack,
 525                                           int count,
 526                                           struct snd_soc_jack_gpio *gpios)
 527 {
 528         return 0;
 529 }
 530 
 531 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 532                                            struct snd_soc_jack_gpio *gpios)
 533 {
 534 }
 535 #endif
 536 
 537 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
 538 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
 539         unsigned int id, unsigned int id_mask);
 540 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
 541 
 542 #ifdef CONFIG_SND_SOC_AC97_BUS
 543 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 544 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 545                 struct platform_device *pdev);
 546 
 547 extern struct snd_ac97_bus_ops *soc_ac97_ops;
 548 #else
 549 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 550         struct platform_device *pdev)
 551 {
 552         return 0;
 553 }
 554 
 555 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
 556 {
 557         return 0;
 558 }
 559 #endif
 560 
 561 /*
 562  *Controls
 563  */
 564 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 565                                   void *data, const char *long_name,
 566                                   const char *prefix);
 567 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 568                                                const char *name);
 569 int snd_soc_add_component_controls(struct snd_soc_component *component,
 570         const struct snd_kcontrol_new *controls, unsigned int num_controls);
 571 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 572         const struct snd_kcontrol_new *controls, int num_controls);
 573 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
 574         const struct snd_kcontrol_new *controls, int num_controls);
 575 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 576         struct snd_ctl_elem_info *uinfo);
 577 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 578         struct snd_ctl_elem_value *ucontrol);
 579 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 580         struct snd_ctl_elem_value *ucontrol);
 581 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 582         struct snd_ctl_elem_info *uinfo);
 583 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
 584                           struct snd_ctl_elem_info *uinfo);
 585 #define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 586 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 587         struct snd_ctl_elem_value *ucontrol);
 588 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 589         struct snd_ctl_elem_value *ucontrol);
 590 #define snd_soc_get_volsw_2r snd_soc_get_volsw
 591 #define snd_soc_put_volsw_2r snd_soc_put_volsw
 592 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
 593         struct snd_ctl_elem_value *ucontrol);
 594 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 595         struct snd_ctl_elem_value *ucontrol);
 596 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
 597         struct snd_ctl_elem_info *uinfo);
 598 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 599         struct snd_ctl_elem_value *ucontrol);
 600 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 601         struct snd_ctl_elem_value *ucontrol);
 602 int snd_soc_limit_volume(struct snd_soc_card *card,
 603         const char *name, int max);
 604 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
 605                        struct snd_ctl_elem_info *uinfo);
 606 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
 607                       struct snd_ctl_elem_value *ucontrol);
 608 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
 609                       struct snd_ctl_elem_value *ucontrol);
 610 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 611         struct snd_ctl_elem_info *ucontrol);
 612 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 613         unsigned int size, unsigned int __user *tlv);
 614 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
 615         struct snd_ctl_elem_info *uinfo);
 616 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 617         struct snd_ctl_elem_value *ucontrol);
 618 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 619         struct snd_ctl_elem_value *ucontrol);
 620 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
 621         struct snd_ctl_elem_value *ucontrol);
 622 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
 623         struct snd_ctl_elem_value *ucontrol);
 624 
 625 /**
 626  * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 627  *
 628  * @pin:    name of the pin to update
 629  * @mask:   bits to check for in reported jack status
 630  * @invert: if non-zero then pin is enabled when status is not reported
 631  * @list:   internal list entry
 632  */
 633 struct snd_soc_jack_pin {
 634         struct list_head list;
 635         const char *pin;
 636         int mask;
 637         bool invert;
 638 };
 639 
 640 /**
 641  * struct snd_soc_jack_zone - Describes voltage zones of jack detection
 642  *
 643  * @min_mv: start voltage in mv
 644  * @max_mv: end voltage in mv
 645  * @jack_type: type of jack that is expected for this voltage
 646  * @debounce_time: debounce_time for jack, codec driver should wait for this
 647  *              duration before reading the adc for voltages
 648  * @list:   internal list entry
 649  */
 650 struct snd_soc_jack_zone {
 651         unsigned int min_mv;
 652         unsigned int max_mv;
 653         unsigned int jack_type;
 654         unsigned int debounce_time;
 655         struct list_head list;
 656 };
 657 
 658 /**
 659  * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 660  *
 661  * @gpio:         legacy gpio number
 662  * @idx:          gpio descriptor index within the function of the GPIO
 663  *                consumer device
 664  * @gpiod_dev:    GPIO consumer device
 665  * @name:         gpio name. Also as connection ID for the GPIO consumer
 666  *                device function name lookup
 667  * @report:       value to report when jack detected
 668  * @invert:       report presence in low state
 669  * @debounce_time: debounce time in ms
 670  * @wake:         enable as wake source
 671  * @jack_status_check: callback function which overrides the detection
 672  *                     to provide more complex checks (eg, reading an
 673  *                     ADC).
 674  */
 675 struct snd_soc_jack_gpio {
 676         unsigned int gpio;
 677         unsigned int idx;
 678         struct device *gpiod_dev;
 679         const char *name;
 680         int report;
 681         int invert;
 682         int debounce_time;
 683         bool wake;
 684 
 685         /* private: */
 686         struct snd_soc_jack *jack;
 687         struct delayed_work work;
 688         struct notifier_block pm_notifier;
 689         struct gpio_desc *desc;
 690 
 691         void *data;
 692         /* public: */
 693         int (*jack_status_check)(void *data);
 694 };
 695 
 696 struct snd_soc_jack {
 697         struct mutex mutex;
 698         struct snd_jack *jack;
 699         struct snd_soc_card *card;
 700         struct list_head pins;
 701         int status;
 702         struct blocking_notifier_head notifier;
 703         struct list_head jack_zones;
 704 };
 705 
 706 /* SoC PCM stream information */
 707 struct snd_soc_pcm_stream {
 708         const char *stream_name;
 709         u64 formats;                    /* SNDRV_PCM_FMTBIT_* */
 710         unsigned int rates;             /* SNDRV_PCM_RATE_* */
 711         unsigned int rate_min;          /* min rate */
 712         unsigned int rate_max;          /* max rate */
 713         unsigned int channels_min;      /* min channels */
 714         unsigned int channels_max;      /* max channels */
 715         unsigned int sig_bits;          /* number of bits of content */
 716 };
 717 
 718 /* SoC audio ops */
 719 struct snd_soc_ops {
 720         int (*startup)(struct snd_pcm_substream *);
 721         void (*shutdown)(struct snd_pcm_substream *);
 722         int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 723         int (*hw_free)(struct snd_pcm_substream *);
 724         int (*prepare)(struct snd_pcm_substream *);
 725         int (*trigger)(struct snd_pcm_substream *, int);
 726 };
 727 
 728 struct snd_soc_compr_ops {
 729         int (*startup)(struct snd_compr_stream *);
 730         void (*shutdown)(struct snd_compr_stream *);
 731         int (*set_params)(struct snd_compr_stream *);
 732         int (*trigger)(struct snd_compr_stream *);
 733 };
 734 
 735 struct snd_soc_rtdcom_list {
 736         struct snd_soc_component *component;
 737         struct list_head list; /* rtd::component_list */
 738 };
 739 struct snd_soc_component*
 740 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
 741                        const char *driver_name);
 742 #define for_each_rtdcom(rtd, rtdcom) \
 743         list_for_each_entry(rtdcom, &(rtd)->component_list, list)
 744 #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
 745         list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
 746 
 747 struct snd_soc_dai_link_component {
 748         const char *name;
 749         struct device_node *of_node;
 750         const char *dai_name;
 751 };
 752 
 753 struct snd_soc_dai_link {
 754         /* config - must be set by machine driver */
 755         const char *name;                       /* Codec name */
 756         const char *stream_name;                /* Stream name */
 757 
 758         /*
 759          * You MAY specify the link's CPU-side device, either by device name,
 760          * or by DT/OF node, but not both. If this information is omitted,
 761          * the CPU-side DAI is matched using .cpu_dai_name only, which hence
 762          * must be globally unique. These fields are currently typically used
 763          * only for codec to codec links, or systems using device tree.
 764          */
 765         /*
 766          * You MAY specify the DAI name of the CPU DAI. If this information is
 767          * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
 768          * only, which only works well when that device exposes a single DAI.
 769          */
 770         struct snd_soc_dai_link_component *cpus;
 771         unsigned int num_cpus;
 772 
 773         /*
 774          * You MUST specify the link's codec, either by device name, or by
 775          * DT/OF node, but not both.
 776          */
 777         /* You MUST specify the DAI name within the codec */
 778         struct snd_soc_dai_link_component *codecs;
 779         unsigned int num_codecs;
 780 
 781         /*
 782          * You MAY specify the link's platform/PCM/DMA driver, either by
 783          * device name, or by DT/OF node, but not both. Some forms of link
 784          * do not need a platform. In such case, platforms are not mandatory.
 785          */
 786         struct snd_soc_dai_link_component *platforms;
 787         unsigned int num_platforms;
 788 
 789         int id; /* optional ID for machine driver link identification */
 790 
 791         const struct snd_soc_pcm_stream *params;
 792         unsigned int num_params;
 793 
 794         unsigned int dai_fmt;           /* format to set on init */
 795 
 796         enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
 797 
 798         /* codec/machine specific init - e.g. add machine controls */
 799         int (*init)(struct snd_soc_pcm_runtime *rtd);
 800 
 801         /* optional hw_params re-writing for BE and FE sync */
 802         int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
 803                         struct snd_pcm_hw_params *params);
 804 
 805         /* machine stream operations */
 806         const struct snd_soc_ops *ops;
 807         const struct snd_soc_compr_ops *compr_ops;
 808 
 809         /* Mark this pcm with non atomic ops */
 810         bool nonatomic;
 811 
 812         /* For unidirectional dai links */
 813         unsigned int playback_only:1;
 814         unsigned int capture_only:1;
 815 
 816         /* Keep DAI active over suspend */
 817         unsigned int ignore_suspend:1;
 818 
 819         /* Symmetry requirements */
 820         unsigned int symmetric_rates:1;
 821         unsigned int symmetric_channels:1;
 822         unsigned int symmetric_samplebits:1;
 823 
 824         /* Do not create a PCM for this DAI link (Backend link) */
 825         unsigned int no_pcm:1;
 826 
 827         /* This DAI link can route to other DAI links at runtime (Frontend)*/
 828         unsigned int dynamic:1;
 829 
 830         /* DPCM capture and Playback support */
 831         unsigned int dpcm_capture:1;
 832         unsigned int dpcm_playback:1;
 833 
 834         /* DPCM used FE & BE merged format */
 835         unsigned int dpcm_merged_format:1;
 836         /* DPCM used FE & BE merged channel */
 837         unsigned int dpcm_merged_chan:1;
 838         /* DPCM used FE & BE merged rate */
 839         unsigned int dpcm_merged_rate:1;
 840 
 841         /* pmdown_time is ignored at stop */
 842         unsigned int ignore_pmdown_time:1;
 843 
 844         /* Do not create a PCM for this DAI link (Backend link) */
 845         unsigned int ignore:1;
 846 
 847         struct list_head list; /* DAI link list of the soc card */
 848         struct snd_soc_dobj dobj; /* For topology */
 849 };
 850 #define for_each_link_codecs(link, i, codec)                            \
 851         for ((i) = 0;                                                   \
 852              ((i) < link->num_codecs) && ((codec) = &link->codecs[i]);  \
 853              (i)++)
 854 
 855 #define for_each_link_platforms(link, i, platform)                      \
 856         for ((i) = 0;                                                   \
 857              ((i) < link->num_platforms) &&                             \
 858              ((platform) = &link->platforms[i]);                        \
 859              (i)++)
 860 
 861 /*
 862  * Sample 1 : Single CPU/Codec/Platform
 863  *
 864  * SND_SOC_DAILINK_DEFS(test,
 865  *      DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
 866  *      DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
 867  *      DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
 868  *
 869  * struct snd_soc_dai_link link = {
 870  *      ...
 871  *      SND_SOC_DAILINK_REG(test),
 872  * };
 873  *
 874  * Sample 2 : Multi CPU/Codec, no Platform
 875  *
 876  * SND_SOC_DAILINK_DEFS(test,
 877  *      DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
 878  *                         COMP_CPU("cpu_dai2")),
 879  *      DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
 880  *                         COMP_CODEC("codec2", "codec_dai2")));
 881  *
 882  * struct snd_soc_dai_link link = {
 883  *      ...
 884  *      SND_SOC_DAILINK_REG(test),
 885  * };
 886  *
 887  * Sample 3 : Define each CPU/Codec/Platform manually
 888  *
 889  * SND_SOC_DAILINK_DEF(test_cpu,
 890  *              DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
 891  *                                 COMP_CPU("cpu_dai2")));
 892  * SND_SOC_DAILINK_DEF(test_codec,
 893  *              DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
 894  *                                 COMP_CODEC("codec2", "codec_dai2")));
 895  * SND_SOC_DAILINK_DEF(test_platform,
 896  *              DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
 897  *
 898  * struct snd_soc_dai_link link = {
 899  *      ...
 900  *      SND_SOC_DAILINK_REG(test_cpu,
 901  *                          test_codec,
 902  *                          test_platform),
 903  * };
 904  *
 905  * Sample 4 : Sample3 without platform
 906  *
 907  * struct snd_soc_dai_link link = {
 908  *      ...
 909  *      SND_SOC_DAILINK_REG(test_cpu,
 910  *                          test_codec);
 911  * };
 912  */
 913 
 914 #define SND_SOC_DAILINK_REG1(name)       SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
 915 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
 916 #define SND_SOC_DAILINK_REG3(cpu, codec, platform)      \
 917         .cpus           = cpu,                          \
 918         .num_cpus       = ARRAY_SIZE(cpu),              \
 919         .codecs         = codec,                        \
 920         .num_codecs     = ARRAY_SIZE(codec),            \
 921         .platforms      = platform,                     \
 922         .num_platforms  = ARRAY_SIZE(platform)
 923 
 924 #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func
 925 #define SND_SOC_DAILINK_REG(...) \
 926         SND_SOC_DAILINK_REGx(__VA_ARGS__,               \
 927                         SND_SOC_DAILINK_REG3,   \
 928                         SND_SOC_DAILINK_REG2,   \
 929                         SND_SOC_DAILINK_REG1)(__VA_ARGS__)
 930 
 931 #define SND_SOC_DAILINK_DEF(name, def...)               \
 932         static struct snd_soc_dai_link_component name[] = { def }
 933 
 934 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...)     \
 935         SND_SOC_DAILINK_DEF(name##_cpus, cpu);                  \
 936         SND_SOC_DAILINK_DEF(name##_codecs, codec);              \
 937         SND_SOC_DAILINK_DEF(name##_platforms, platform)
 938 
 939 #define DAILINK_COMP_ARRAY(param...)    param
 940 #define COMP_EMPTY()                    { }
 941 #define COMP_CPU(_dai)                  { .dai_name = _dai, }
 942 #define COMP_CODEC(_name, _dai)         { .name = _name, .dai_name = _dai, }
 943 #define COMP_PLATFORM(_name)            { .name = _name }
 944 #define COMP_AUX(_name)                 { .name = _name }
 945 #define COMP_DUMMY()                    { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", }
 946 
 947 extern struct snd_soc_dai_link_component null_dailink_component[0];
 948 
 949 
 950 struct snd_soc_codec_conf {
 951         /*
 952          * specify device either by device name, or by
 953          * DT/OF node, but not both.
 954          */
 955         const char *dev_name;
 956         struct device_node *of_node;
 957 
 958         /*
 959          * optional map of kcontrol, widget and path name prefixes that are
 960          * associated per device
 961          */
 962         const char *name_prefix;
 963 };
 964 
 965 struct snd_soc_aux_dev {
 966         /*
 967          * specify multi-codec either by device name, or by
 968          * DT/OF node, but not both.
 969          */
 970         struct snd_soc_dai_link_component dlc;
 971 
 972         /* codec/machine specific init - e.g. add machine controls */
 973         int (*init)(struct snd_soc_component *component);
 974 };
 975 
 976 /* SoC card */
 977 struct snd_soc_card {
 978         const char *name;
 979         const char *long_name;
 980         const char *driver_name;
 981         char dmi_longname[80];
 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         struct list_head dai_link_list; /* all links */
1030 
1031         struct list_head rtd_list;
1032         int num_rtd;
1033 
1034         /* optional codec specific configuration */
1035         struct snd_soc_codec_conf *codec_conf;
1036         int num_configs;
1037 
1038         /*
1039          * optional auxiliary devices such as amplifiers or codecs with DAI
1040          * link unused
1041          */
1042         struct snd_soc_aux_dev *aux_dev;
1043         int num_aux_devs;
1044         struct list_head aux_comp_list;
1045 
1046         const struct snd_kcontrol_new *controls;
1047         int num_controls;
1048 
1049         /*
1050          * Card-specific routes and widgets.
1051          * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1052          */
1053         const struct snd_soc_dapm_widget *dapm_widgets;
1054         int num_dapm_widgets;
1055         const struct snd_soc_dapm_route *dapm_routes;
1056         int num_dapm_routes;
1057         const struct snd_soc_dapm_widget *of_dapm_widgets;
1058         int num_of_dapm_widgets;
1059         const struct snd_soc_dapm_route *of_dapm_routes;
1060         int num_of_dapm_routes;
1061         bool fully_routed;
1062         bool disable_route_checks;
1063 
1064         /* lists of probed devices belonging to this card */
1065         struct list_head component_dev_list;
1066         struct list_head list;
1067 
1068         struct list_head widgets;
1069         struct list_head paths;
1070         struct list_head dapm_list;
1071         struct list_head dapm_dirty;
1072 
1073         /* attached dynamic objects */
1074         struct list_head dobj_list;
1075 
1076         /* Generic DAPM context for the card */
1077         struct snd_soc_dapm_context dapm;
1078         struct snd_soc_dapm_stats dapm_stats;
1079         struct snd_soc_dapm_update *update;
1080 
1081 #ifdef CONFIG_DEBUG_FS
1082         struct dentry *debugfs_card_root;
1083 #endif
1084 #ifdef CONFIG_PM_SLEEP
1085         struct work_struct deferred_resume_work;
1086 #endif
1087         u32 pop_time;
1088 
1089         void *drvdata;
1090 };
1091 #define for_each_card_prelinks(card, i, link)                           \
1092         for ((i) = 0;                                                   \
1093              ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1094              (i)++)
1095 #define for_each_card_pre_auxs(card, i, aux)                            \
1096         for ((i) = 0;                                                   \
1097              ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1098              (i)++)
1099 
1100 #define for_each_card_links(card, link)                         \
1101         list_for_each_entry(link, &(card)->dai_link_list, list)
1102 #define for_each_card_links_safe(card, link, _link)                     \
1103         list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list)
1104 
1105 #define for_each_card_rtds(card, rtd)                   \
1106         list_for_each_entry(rtd, &(card)->rtd_list, list)
1107 #define for_each_card_rtds_safe(card, rtd, _rtd)        \
1108         list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1109 
1110 #define for_each_card_auxs(card, component)                     \
1111         list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1112 #define for_each_card_auxs_safe(card, component, _comp) \
1113         list_for_each_entry_safe(component, _comp,      \
1114                                  &card->aux_comp_list, card_aux_list)
1115 
1116 #define for_each_card_components(card, component)                       \
1117         list_for_each_entry(component, &(card)->component_dev_list, card_list)
1118 
1119 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1120 struct snd_soc_pcm_runtime {
1121         struct device *dev;
1122         struct snd_soc_card *card;
1123         struct snd_soc_dai_link *dai_link;
1124         struct snd_pcm_ops ops;
1125 
1126         unsigned int params_select; /* currently selected param for dai link */
1127 
1128         /* Dynamic PCM BE runtime data */
1129         struct snd_soc_dpcm_runtime dpcm[2];
1130 
1131         long pmdown_time;
1132 
1133         /* runtime devices */
1134         struct snd_pcm *pcm;
1135         struct snd_compr *compr;
1136         struct snd_soc_dai *codec_dai;
1137         struct snd_soc_dai *cpu_dai;
1138 
1139         struct snd_soc_dai **codec_dais;
1140         unsigned int num_codecs;
1141 
1142         struct delayed_work delayed_work;
1143 #ifdef CONFIG_DEBUG_FS
1144         struct dentry *debugfs_dpcm_root;
1145 #endif
1146 
1147         unsigned int num; /* 0-based and monotonic increasing */
1148         struct list_head list; /* rtd list of the soc card */
1149         struct list_head component_list; /* list of connected components */
1150 
1151         /* bit field */
1152         unsigned int dev_registered:1;
1153         unsigned int pop_wait:1;
1154         unsigned int fe_compr:1; /* for Dynamic PCM */
1155 };
1156 #define for_each_rtd_codec_dai(rtd, i, dai)\
1157         for ((i) = 0;                                                  \
1158              ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \
1159              (i)++)
1160 #define for_each_rtd_codec_dai_rollback(rtd, i, dai)            \
1161         for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);)
1162 
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         struct snd_soc_dobj dobj;
1173 };
1174 
1175 struct soc_bytes {
1176         int base;
1177         int num_regs;
1178         u32 mask;
1179 };
1180 
1181 struct soc_bytes_ext {
1182         int max;
1183         struct snd_soc_dobj dobj;
1184 
1185         /* used for TLV byte control */
1186         int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1187                         unsigned int size);
1188         int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1189                         unsigned int size);
1190 };
1191 
1192 /* multi register control */
1193 struct soc_mreg_control {
1194         long min, max;
1195         unsigned int regbase, regcount, nbits, invert;
1196 };
1197 
1198 /* enumerated kcontrol */
1199 struct soc_enum {
1200         int reg;
1201         unsigned char shift_l;
1202         unsigned char shift_r;
1203         unsigned int items;
1204         unsigned int mask;
1205         const char * const *texts;
1206         const unsigned int *values;
1207         unsigned int autodisable:1;
1208         struct snd_soc_dobj dobj;
1209 };
1210 
1211 /* device driver data */
1212 
1213 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1214                 void *data)
1215 {
1216         card->drvdata = data;
1217 }
1218 
1219 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1220 {
1221         return card->drvdata;
1222 }
1223 
1224 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1225 {
1226         if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1227                 return 0;
1228         /*
1229          * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1230          * mc->reg != mc->rreg means that the control is
1231          * stereo (bits in one register or in two registers)
1232          */
1233         return 1;
1234 }
1235 
1236 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1237         unsigned int val)
1238 {
1239         unsigned int i;
1240 
1241         if (!e->values)
1242                 return val;
1243 
1244         for (i = 0; i < e->items; i++)
1245                 if (val == e->values[i])
1246                         return i;
1247 
1248         return 0;
1249 }
1250 
1251 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1252         unsigned int item)
1253 {
1254         if (!e->values)
1255                 return item;
1256 
1257         return e->values[item];
1258 }
1259 
1260 /**
1261  * snd_soc_kcontrol_component() - Returns the component that registered the
1262  *  control
1263  * @kcontrol: The control for which to get the component
1264  *
1265  * Note: This function will work correctly if the control has been registered
1266  * for a component. With snd_soc_add_codec_controls() or via table based
1267  * setup for either a CODEC or component driver. Otherwise the behavior is
1268  * undefined.
1269  */
1270 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1271         struct snd_kcontrol *kcontrol)
1272 {
1273         return snd_kcontrol_chip(kcontrol);
1274 }
1275 
1276 int snd_soc_util_init(void);
1277 void snd_soc_util_exit(void);
1278 
1279 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1280                                const char *propname);
1281 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1282                                           const char *propname);
1283 int snd_soc_of_get_slot_mask(struct device_node *np,
1284                              const char *prop_name,
1285                              unsigned int *mask);
1286 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1287                               unsigned int *tx_mask,
1288                               unsigned int *rx_mask,
1289                               unsigned int *slots,
1290                               unsigned int *slot_width);
1291 void snd_soc_of_parse_node_prefix(struct device_node *np,
1292                                    struct snd_soc_codec_conf *codec_conf,
1293                                    struct device_node *of_node,
1294                                    const char *propname);
1295 static inline
1296 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1297                                    struct snd_soc_codec_conf *codec_conf,
1298                                    struct device_node *of_node,
1299                                    const char *propname)
1300 {
1301         snd_soc_of_parse_node_prefix(card->dev->of_node,
1302                                      codec_conf, of_node, propname);
1303 }
1304 
1305 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1306                                    const char *propname);
1307 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1308                                      const char *prefix,
1309                                      struct device_node **bitclkmaster,
1310                                      struct device_node **framemaster);
1311 int snd_soc_get_dai_id(struct device_node *ep);
1312 int snd_soc_get_dai_name(struct of_phandle_args *args,
1313                          const char **dai_name);
1314 int snd_soc_of_get_dai_name(struct device_node *of_node,
1315                             const char **dai_name);
1316 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1317                                    struct device_node *of_node,
1318                                    struct snd_soc_dai_link *dai_link);
1319 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1320 
1321 int snd_soc_add_dai_link(struct snd_soc_card *card,
1322                                 struct snd_soc_dai_link *dai_link);
1323 void snd_soc_remove_dai_link(struct snd_soc_card *card,
1324                              struct snd_soc_dai_link *dai_link);
1325 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1326                                                int id, const char *name,
1327                                                const char *stream_name);
1328 
1329 int snd_soc_register_dai(struct snd_soc_component *component,
1330         struct snd_soc_dai_driver *dai_drv);
1331 
1332 struct snd_soc_dai *snd_soc_find_dai(
1333         const struct snd_soc_dai_link_component *dlc);
1334 
1335 #include <sound/soc-dai.h>
1336 
1337 static inline
1338 struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1339                                                const char *dai_name)
1340 {
1341         struct snd_soc_pcm_runtime *rtd;
1342 
1343         list_for_each_entry(rtd, &card->rtd_list, list) {
1344                 if (!strcmp(rtd->codec_dai->name, dai_name))
1345                         return rtd->codec_dai;
1346         }
1347 
1348         return NULL;
1349 }
1350 
1351 static inline
1352 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1353                                           const char *platform_name)
1354 {
1355         struct snd_soc_dai_link *dai_link;
1356         const char *name;
1357         int i;
1358 
1359         if (!platform_name) /* nothing to do */
1360                 return 0;
1361 
1362         /* set platform name for each dailink */
1363         for_each_card_prelinks(card, i, dai_link) {
1364                 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1365                 if (!name)
1366                         return -ENOMEM;
1367 
1368                 if (!dai_link->platforms)
1369                         return -EINVAL;
1370 
1371                 /* only single platform is supported for now */
1372                 dai_link->platforms->name = name;
1373         }
1374 
1375         return 0;
1376 }
1377 
1378 #ifdef CONFIG_DEBUG_FS
1379 extern struct dentry *snd_soc_debugfs_root;
1380 #endif
1381 
1382 extern const struct dev_pm_ops snd_soc_pm_ops;
1383 
1384 /* Helper functions */
1385 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1386 {
1387         mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1388 }
1389 
1390 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1391 {
1392         mutex_unlock(&dapm->card->dapm_mutex);
1393 }
1394 
1395 #include <sound/soc-component.h>
1396 
1397 #endif
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root/include/sound/soc.h

INCLUDED FROM

DEFINITIONS
