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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/args.h> 14#include <linux/array_size.h> 15#include <linux/device.h> 16#include <linux/errno.h> 17#include <linux/interrupt.h> 18#include <linux/lockdep.h> 19#include <linux/log2.h> 20#include <linux/mutex.h> 21#include <linux/notifier.h> 22#include <linux/of.h> 23#include <linux/types.h> 24#include <linux/workqueue.h> 25 26#include <sound/ac97_codec.h> 27#include <sound/compress_driver.h> 28#include <sound/control.h> 29#include <sound/core.h> 30#include <sound/pcm.h> 31 32struct module; 33struct platform_device; 34 35/* For the current users of sound/soc.h to avoid build issues */ 36#include <linux/platform_device.h> 37#include <linux/regmap.h> 38 39/* 40 * Convenience kcontrol builders 41 */ 42#define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \ 43 ((unsigned long)&(struct soc_mixer_control) \ 44 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 45 .rshift = shift_right, .max = xmax, \ 46 .invert = xinvert, .autodisable = xautodisable}) 47#define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \ 48 ((unsigned long)&(struct soc_mixer_control) \ 49 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 50 .rshift = shift_right, .min = xmin, .max = xmax, \ 51 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable}) 52#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \ 53 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable) 54#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ 55 ((unsigned long)&(struct soc_mixer_control) \ 56 {.reg = xreg, .max = xmax, .invert = xinvert}) 57#define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ 58 ((unsigned long)&(struct soc_mixer_control) \ 59 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 60 .max = xmax, .invert = xinvert}) 61#define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ 62 ((unsigned long)&(struct soc_mixer_control) \ 63 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 64 .max = xmax, .min = xmin, .sign_bit = xsign_bit, \ 65 .invert = xinvert}) 66#define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ 67 ((unsigned long)&(struct soc_mixer_control) \ 68 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 69 .min = xmin, .max = xmax, .invert = xinvert}) 70#define SOC_SINGLE(xname, reg, shift, max, invert) \ 71{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 72 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 73 .put = snd_soc_put_volsw, \ 74 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 75#define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ 76{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 77 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ 78 .put = snd_soc_put_volsw_range, \ 79 .private_value = (unsigned long)&(struct soc_mixer_control) \ 80 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 81 .rshift = xshift, .min = xmin, .max = xmax, \ 82 .invert = xinvert} } 83#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 84{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 85 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 86 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 87 .tlv.p = (tlv_array), \ 88 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 89 .put = snd_soc_put_volsw, \ 90 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 91#define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ 92{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 93 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 94 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 95 .tlv.p = (tlv_array),\ 96 .info = snd_soc_info_volsw_sx, \ 97 .get = snd_soc_get_volsw_sx,\ 98 .put = snd_soc_put_volsw_sx, \ 99 .private_value = (unsigned long)&(struct soc_mixer_control) \ 100 {.reg = xreg, .rreg = xreg, \ 101 .shift = xshift, .rshift = xshift, \ 102 .max = xmax, .min = xmin} } 103#define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ 104{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 105 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 106 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 107 .tlv.p = (tlv_array), \ 108 .info = snd_soc_info_volsw_range, \ 109 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 110 .private_value = (unsigned long)&(struct soc_mixer_control) \ 111 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 112 .rshift = xshift, .min = xmin, .max = xmax, \ 113 .invert = xinvert} } 114#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ 115{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 116 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 117 .put = snd_soc_put_volsw, \ 118 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 119 max, invert, 0) } 120#define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \ 121{ \ 122 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 123 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 124 .access = SNDRV_CTL_ELEM_ACCESS_READ | \ 125 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ 126 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 127 max, invert, 0) } 128#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ 129{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 130 .info = snd_soc_info_volsw, \ 131 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 132 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 133 xmax, xinvert) } 134#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ 135 xmax, xinvert) \ 136{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 137 .info = snd_soc_info_volsw_range, \ 138 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 139 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 140 xshift, xmin, xmax, xinvert) } 141#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ 142{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 143 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 144 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 145 .tlv.p = (tlv_array), \ 146 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 147 .put = snd_soc_put_volsw, \ 148 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 149 max, invert, 0) } 150#define SOC_DOUBLE_SX_TLV(xname, xreg, shift_left, shift_right, xmin, xmax, tlv_array) \ 151{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 152 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 153 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 154 .tlv.p = (tlv_array), \ 155 .info = snd_soc_info_volsw_sx, \ 156 .get = snd_soc_get_volsw_sx, \ 157 .put = snd_soc_put_volsw_sx, \ 158 .private_value = (unsigned long)&(struct soc_mixer_control) \ 159 {.reg = xreg, .rreg = xreg, \ 160 .shift = shift_left, .rshift = shift_right, \ 161 .max = xmax, .min = xmin} } 162#define SOC_DOUBLE_RANGE_TLV(xname, xreg, xshift_left, xshift_right, xmin, xmax, \ 163 xinvert, tlv_array) \ 164{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 165 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 166 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 167 .tlv.p = (tlv_array), \ 168 .info = snd_soc_info_volsw, \ 169 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 170 .private_value = (unsigned long)&(struct soc_mixer_control) \ 171 {.reg = xreg, .rreg = xreg, \ 172 .shift = xshift_left, .rshift = xshift_right, \ 173 .min = xmin, .max = xmax, .invert = xinvert} } 174#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ 175{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 176 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 177 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 178 .tlv.p = (tlv_array), \ 179 .info = snd_soc_info_volsw, \ 180 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 181 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 182 xmax, xinvert) } 183#define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ 184 xmax, xinvert, tlv_array) \ 185{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 186 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 187 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 188 .tlv.p = (tlv_array), \ 189 .info = snd_soc_info_volsw_range, \ 190 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 191 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 192 xshift, xmin, xmax, xinvert) } 193#define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ 194{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 195 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 196 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 197 .tlv.p = (tlv_array), \ 198 .info = snd_soc_info_volsw_sx, \ 199 .get = snd_soc_get_volsw_sx, \ 200 .put = snd_soc_put_volsw_sx, \ 201 .private_value = (unsigned long)&(struct soc_mixer_control) \ 202 {.reg = xreg, .rreg = xrreg, \ 203 .shift = xshift, .rshift = xshift, \ 204 .max = xmax, .min = xmin} } 205#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ 206{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 207 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 208 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 209 .tlv.p = (tlv_array), \ 210 .info = snd_soc_info_volsw, \ 211 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 212 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 213 xmin, xmax, xsign_bit, xinvert) } 214#define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ 215 SOC_DOUBLE_R_S_TLV(xname, xreg, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) 216#define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 217{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 218 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 219 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 220 .tlv.p = (tlv_array), \ 221 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 222 .put = snd_soc_put_volsw, \ 223 .private_value = (unsigned long)&(struct soc_mixer_control) \ 224 {.reg = xreg, .rreg = xreg, \ 225 .min = xmin, .max = xmax, \ 226 .sign_bit = 7,} } 227#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 228{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 229 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 230 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 231 .tlv.p = (tlv_array), \ 232 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 233 .put = snd_soc_put_volsw, \ 234 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) } 235#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ 236{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 237 .items = xitems, .texts = xtexts, \ 238 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} 239#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ 240 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) 241#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ 242{ .items = xitems, .texts = xtexts } 243#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \ 244{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 245 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} 246#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 247 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues) 248#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 249{ .reg = xreg, .shift_l = xshift, .shift_r = xshift, \ 250 .mask = xmask, .items = xitems, .texts = xtexts, \ 251 .values = xvalues, .autodisable = 1} 252#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ 253 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) 254#define SOC_ENUM(xname, xenum) \ 255{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 256 .info = snd_soc_info_enum_double, \ 257 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ 258 .private_value = (unsigned long)&xenum } 259#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ 260 xhandler_get, xhandler_put) \ 261{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 262 .info = snd_soc_info_volsw, \ 263 .get = xhandler_get, .put = xhandler_put, \ 264 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 265#define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ 266 xhandler_get, xhandler_put) \ 267{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 268 .info = snd_soc_info_volsw, \ 269 .get = xhandler_get, .put = xhandler_put, \ 270 .private_value = \ 271 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) } 272#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 273 xhandler_get, xhandler_put) \ 274{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 275 .info = snd_soc_info_volsw, \ 276 .get = xhandler_get, .put = xhandler_put, \ 277 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 278 xmax, xinvert) } 279#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ 280 xhandler_get, xhandler_put, tlv_array) \ 281{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 282 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 283 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 284 .tlv.p = (tlv_array), \ 285 .info = snd_soc_info_volsw, \ 286 .get = xhandler_get, .put = xhandler_put, \ 287 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 288#define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ 289 xhandler_get, xhandler_put, tlv_array) \ 290{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 291 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 292 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 293 .tlv.p = (tlv_array), \ 294 .info = snd_soc_info_volsw_range, \ 295 .get = xhandler_get, .put = xhandler_put, \ 296 .private_value = (unsigned long)&(struct soc_mixer_control) \ 297 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 298 .rshift = xshift, .min = xmin, .max = xmax, \ 299 .invert = xinvert} } 300#define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ 301 xhandler_get, xhandler_put, tlv_array) \ 302{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 303 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 304 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 305 .tlv.p = (tlv_array), \ 306 .info = snd_soc_info_volsw, \ 307 .get = xhandler_get, .put = xhandler_put, \ 308 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 309 xmax, xinvert, 0) } 310#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 311 xhandler_get, xhandler_put, tlv_array) \ 312{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 313 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 314 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 315 .tlv.p = (tlv_array), \ 316 .info = snd_soc_info_volsw, \ 317 .get = xhandler_get, .put = xhandler_put, \ 318 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 319 xmax, xinvert) } 320#define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \ 321 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 322 tlv_array) \ 323{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 324 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 325 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 326 .tlv.p = (tlv_array), \ 327 .info = snd_soc_info_volsw, \ 328 .get = xhandler_get, .put = xhandler_put, \ 329 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 330 xmin, xmax, xsign_bit, xinvert) } 331#define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \ 332 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 333 tlv_array) \ 334 SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \ 335 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 336 tlv_array) 337#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 338{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 339 .info = snd_soc_info_bool_ext, \ 340 .get = xhandler_get, .put = xhandler_put, \ 341 .private_value = xdata } 342#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 343{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 344 .info = snd_soc_info_enum_double, \ 345 .get = xhandler_get, .put = xhandler_put, \ 346 .private_value = (unsigned long)&xenum } 347#define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 348 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) 349 350#define SND_SOC_BYTES(xname, xbase, xregs) \ 351{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 352 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 353 .put = snd_soc_bytes_put, .private_value = \ 354 ((unsigned long)&(struct soc_bytes) \ 355 {.base = xbase, .num_regs = xregs }) } 356#define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \ 357{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 358 .info = snd_soc_bytes_info, .get = xhandler_get, \ 359 .put = xhandler_put, .private_value = \ 360 ((unsigned long)&(struct soc_bytes) \ 361 {.base = xbase, .num_regs = xregs }) } 362 363#define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 364{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 365 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 366 .put = snd_soc_bytes_put, .private_value = \ 367 ((unsigned long)&(struct soc_bytes) \ 368 {.base = xbase, .num_regs = xregs, \ 369 .mask = xmask }) } 370 371/* 372 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead 373 */ 374#define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ 375{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 376 .info = snd_soc_bytes_info_ext, \ 377 .get = xhandler_get, .put = xhandler_put, \ 378 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 379 {.max = xcount} } 380#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ 381{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 382 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ 383 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 384 .tlv.c = (snd_soc_bytes_tlv_callback), \ 385 .info = snd_soc_bytes_info_ext, \ 386 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 387 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } 388#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 389 xmin, xmax, xinvert) \ 390{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 391 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 392 .put = snd_soc_put_xr_sx, \ 393 .private_value = (unsigned long)&(struct soc_mreg_control) \ 394 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 395 .invert = xinvert, .min = xmin, .max = xmax} } 396 397#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 398 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 399 snd_soc_get_strobe, snd_soc_put_strobe) 400 401/* 402 * Simplified versions of above macros, declaring a struct and calculating 403 * ARRAY_SIZE internally 404 */ 405#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 406 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 407 ARRAY_SIZE(xtexts), xtexts) 408#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 409 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 410#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 411 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 412#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 413 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 414 ARRAY_SIZE(xtexts), xtexts, xvalues) 415#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 416 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 417 418#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 419 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ 420 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) 421 422#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ 423 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) 424 425struct snd_jack; 426struct snd_soc_card; 427struct snd_soc_pcm_stream; 428struct snd_soc_ops; 429struct snd_soc_pcm_runtime; 430struct snd_soc_dai; 431struct snd_soc_dai_driver; 432struct snd_soc_dai_link; 433struct snd_soc_component; 434struct snd_soc_component_driver; 435struct soc_enum; 436struct snd_soc_jack; 437struct snd_soc_jack_zone; 438struct snd_soc_jack_pin; 439 440#include <sound/soc-dapm.h> 441#include <sound/soc-dpcm.h> 442#include <sound/soc-topology.h> 443 444struct snd_soc_jack_gpio; 445 446enum snd_soc_pcm_subclass { 447 SND_SOC_PCM_CLASS_PCM = 0, 448 SND_SOC_PCM_CLASS_BE = 1, 449}; 450 451int snd_soc_register_card(struct snd_soc_card *card); 452void snd_soc_unregister_card(struct snd_soc_card *card); 453int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 454#ifdef CONFIG_PM_SLEEP 455int snd_soc_suspend(struct device *dev); 456int snd_soc_resume(struct device *dev); 457#else 458static inline int snd_soc_suspend(struct device *dev) 459{ 460 return 0; 461} 462 463static inline int snd_soc_resume(struct device *dev) 464{ 465 return 0; 466} 467#endif 468int snd_soc_poweroff(struct device *dev); 469int snd_soc_component_initialize(struct snd_soc_component *component, 470 const struct snd_soc_component_driver *driver, 471 struct device *dev); 472int snd_soc_add_component(struct snd_soc_component *component, 473 struct snd_soc_dai_driver *dai_drv, 474 int num_dai); 475int snd_soc_register_component(struct device *dev, 476 const struct snd_soc_component_driver *component_driver, 477 struct snd_soc_dai_driver *dai_drv, int num_dai); 478int devm_snd_soc_register_component(struct device *dev, 479 const struct snd_soc_component_driver *component_driver, 480 struct snd_soc_dai_driver *dai_drv, int num_dai); 481void snd_soc_unregister_component(struct device *dev); 482void snd_soc_unregister_component_by_driver(struct device *dev, 483 const struct snd_soc_component_driver *component_driver); 484struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, 485 const char *driver_name); 486struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 487 const char *driver_name); 488 489int soc_new_pcm(struct snd_soc_pcm_runtime *rtd); 490#ifdef CONFIG_SND_SOC_COMPRESS 491int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd); 492#else 493static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd) 494{ 495 return 0; 496} 497#endif 498 499void snd_soc_disconnect_sync(struct device *dev); 500 501struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 502 struct snd_soc_dai_link *dai_link); 503 504bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 505 506void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd, 507 int stream, int action); 508static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, 509 int stream) 510{ 511 snd_soc_runtime_action(rtd, stream, 1); 512} 513static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, 514 int stream) 515{ 516 snd_soc_runtime_action(rtd, stream, -1); 517} 518 519int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, 520 struct snd_pcm_hardware *hw, int stream); 521 522int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 523 unsigned int dai_fmt); 524 525#ifdef CONFIG_DMI 526int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); 527#else 528static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, 529 const char *flavour) 530{ 531 return 0; 532} 533#endif 534 535/* Utility functions to get clock rates from various things */ 536int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 537int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params); 538int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 539int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms); 540int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params, 541 int tdm_width, int tdm_slots, int slot_multiple); 542 543/* set runtime hw params */ 544static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 545 const struct snd_pcm_hardware *hw) 546{ 547 substream->runtime->hw = *hw; 548 549 return 0; 550} 551 552struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 553struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 554 unsigned int id, unsigned int id_mask); 555void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 556 557#ifdef CONFIG_SND_SOC_AC97_BUS 558int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 559int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 560 struct platform_device *pdev); 561 562extern struct snd_ac97_bus_ops *soc_ac97_ops; 563#else 564static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 565 struct platform_device *pdev) 566{ 567 return 0; 568} 569 570static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 571{ 572 return 0; 573} 574#endif 575 576/* 577 *Controls 578 */ 579struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 580 void *data, const char *long_name, 581 const char *prefix); 582int snd_soc_add_component_controls(struct snd_soc_component *component, 583 const struct snd_kcontrol_new *controls, unsigned int num_controls); 584int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 585 const struct snd_kcontrol_new *controls, int num_controls); 586int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 587 const struct snd_kcontrol_new *controls, int num_controls); 588int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 589 struct snd_ctl_elem_info *uinfo); 590int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 591 struct snd_ctl_elem_value *ucontrol); 592int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 593 struct snd_ctl_elem_value *ucontrol); 594int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 595 struct snd_ctl_elem_info *uinfo); 596int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 597 struct snd_ctl_elem_info *uinfo); 598#define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 599int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 600 struct snd_ctl_elem_value *ucontrol); 601int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 602 struct snd_ctl_elem_value *ucontrol); 603#define snd_soc_get_volsw_2r snd_soc_get_volsw 604#define snd_soc_put_volsw_2r snd_soc_put_volsw 605int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 606 struct snd_ctl_elem_value *ucontrol); 607int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 608 struct snd_ctl_elem_value *ucontrol); 609int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 610 struct snd_ctl_elem_info *uinfo); 611int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 612 struct snd_ctl_elem_value *ucontrol); 613int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 614 struct snd_ctl_elem_value *ucontrol); 615int snd_soc_limit_volume(struct snd_soc_card *card, 616 const char *name, int max); 617int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 618 struct snd_ctl_elem_info *uinfo); 619int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 620 struct snd_ctl_elem_value *ucontrol); 621int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 622 struct snd_ctl_elem_value *ucontrol); 623int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 624 struct snd_ctl_elem_info *ucontrol); 625int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 626 unsigned int size, unsigned int __user *tlv); 627int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 628 struct snd_ctl_elem_info *uinfo); 629int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 630 struct snd_ctl_elem_value *ucontrol); 631int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 632 struct snd_ctl_elem_value *ucontrol); 633int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 634 struct snd_ctl_elem_value *ucontrol); 635int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 636 struct snd_ctl_elem_value *ucontrol); 637 638enum snd_soc_trigger_order { 639 /* start stop */ 640 SND_SOC_TRIGGER_ORDER_DEFAULT = 0, /* Link->Component->DAI DAI->Component->Link */ 641 SND_SOC_TRIGGER_ORDER_LDC, /* Link->DAI->Component Component->DAI->Link */ 642 643 SND_SOC_TRIGGER_ORDER_MAX, 644}; 645 646/* SoC PCM stream information */ 647struct snd_soc_pcm_stream { 648 const char *stream_name; 649 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 650 u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */ 651 unsigned int rates; /* SNDRV_PCM_RATE_* */ 652 unsigned int rate_min; /* min rate */ 653 unsigned int rate_max; /* max rate */ 654 unsigned int channels_min; /* min channels */ 655 unsigned int channels_max; /* max channels */ 656 unsigned int sig_bits; /* number of bits of content */ 657}; 658 659/* SoC audio ops */ 660struct snd_soc_ops { 661 int (*startup)(struct snd_pcm_substream *); 662 void (*shutdown)(struct snd_pcm_substream *); 663 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 664 int (*hw_free)(struct snd_pcm_substream *); 665 int (*prepare)(struct snd_pcm_substream *); 666 int (*trigger)(struct snd_pcm_substream *, int); 667}; 668 669struct snd_soc_compr_ops { 670 int (*startup)(struct snd_compr_stream *); 671 void (*shutdown)(struct snd_compr_stream *); 672 int (*set_params)(struct snd_compr_stream *); 673}; 674 675struct snd_soc_component* 676snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 677 const char *driver_name); 678 679struct snd_soc_dai_link_component { 680 const char *name; 681 struct device_node *of_node; 682 const char *dai_name; 683 const struct of_phandle_args *dai_args; 684}; 685 686/* 687 * [dai_link->ch_maps Image sample] 688 * 689 *------------------------- 690 * CPU0 <---> Codec0 691 * 692 * ch-map[0].cpu = 0 ch-map[0].codec = 0 693 * 694 *------------------------- 695 * CPU0 <---> Codec0 696 * CPU1 <---> Codec1 697 * CPU2 <---> Codec2 698 * 699 * ch-map[0].cpu = 0 ch-map[0].codec = 0 700 * ch-map[1].cpu = 1 ch-map[1].codec = 1 701 * ch-map[2].cpu = 2 ch-map[2].codec = 2 702 * 703 *------------------------- 704 * CPU0 <---> Codec0 705 * CPU1 <-+-> Codec1 706 * CPU2 <-/ 707 * 708 * ch-map[0].cpu = 0 ch-map[0].codec = 0 709 * ch-map[1].cpu = 1 ch-map[1].codec = 1 710 * ch-map[2].cpu = 2 ch-map[2].codec = 1 711 * 712 *------------------------- 713 * CPU0 <---> Codec0 714 * CPU1 <-+-> Codec1 715 * \-> Codec2 716 * 717 * ch-map[0].cpu = 0 ch-map[0].codec = 0 718 * ch-map[1].cpu = 1 ch-map[1].codec = 1 719 * ch-map[2].cpu = 1 ch-map[2].codec = 2 720 * 721 */ 722struct snd_soc_dai_link_ch_map { 723 unsigned int cpu; 724 unsigned int codec; 725 unsigned int ch_mask; 726}; 727 728struct snd_soc_dai_link { 729 /* config - must be set by machine driver */ 730 const char *name; /* Codec name */ 731 const char *stream_name; /* Stream name */ 732 733 /* 734 * You MAY specify the link's CPU-side device, either by device name, 735 * or by DT/OF node, but not both. If this information is omitted, 736 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 737 * must be globally unique. These fields are currently typically used 738 * only for codec to codec links, or systems using device tree. 739 */ 740 /* 741 * You MAY specify the DAI name of the CPU DAI. If this information is 742 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 743 * only, which only works well when that device exposes a single DAI. 744 */ 745 struct snd_soc_dai_link_component *cpus; 746 unsigned int num_cpus; 747 748 /* 749 * You MUST specify the link's codec, either by device name, or by 750 * DT/OF node, but not both. 751 */ 752 /* You MUST specify the DAI name within the codec */ 753 struct snd_soc_dai_link_component *codecs; 754 unsigned int num_codecs; 755 756 /* num_ch_maps = max(num_cpu, num_codecs) */ 757 struct snd_soc_dai_link_ch_map *ch_maps; 758 759 /* 760 * You MAY specify the link's platform/PCM/DMA driver, either by 761 * device name, or by DT/OF node, but not both. Some forms of link 762 * do not need a platform. In such case, platforms are not mandatory. 763 */ 764 struct snd_soc_dai_link_component *platforms; 765 unsigned int num_platforms; 766 767 int id; /* optional ID for machine driver link identification */ 768 769 /* 770 * for Codec2Codec 771 */ 772 const struct snd_soc_pcm_stream *c2c_params; 773 unsigned int num_c2c_params; 774 775 unsigned int dai_fmt; /* format to set on init */ 776 777 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 778 779 /* codec/machine specific init - e.g. add machine controls */ 780 int (*init)(struct snd_soc_pcm_runtime *rtd); 781 782 /* codec/machine specific exit - dual of init() */ 783 void (*exit)(struct snd_soc_pcm_runtime *rtd); 784 785 /* optional hw_params re-writing for BE and FE sync */ 786 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 787 struct snd_pcm_hw_params *params); 788 789 /* machine stream operations */ 790 const struct snd_soc_ops *ops; 791 const struct snd_soc_compr_ops *compr_ops; 792 793 /* 794 * soc_pcm_trigger() start/stop sequence. 795 * see also 796 * snd_soc_component_driver 797 * soc_pcm_trigger() 798 */ 799 enum snd_soc_trigger_order trigger_start; 800 enum snd_soc_trigger_order trigger_stop; 801 802 /* Mark this pcm with non atomic ops */ 803 unsigned int nonatomic:1; 804 805 /* For unidirectional dai links */ 806 unsigned int playback_only:1; 807 unsigned int capture_only:1; 808 809 /* Keep DAI active over suspend */ 810 unsigned int ignore_suspend:1; 811 812 /* Symmetry requirements */ 813 unsigned int symmetric_rate:1; 814 unsigned int symmetric_channels:1; 815 unsigned int symmetric_sample_bits:1; 816 817 /* Do not create a PCM for this DAI link (Backend link) */ 818 unsigned int no_pcm:1; 819 820 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 821 unsigned int dynamic:1; 822 823 /* DPCM used FE & BE merged format */ 824 unsigned int dpcm_merged_format:1; 825 /* DPCM used FE & BE merged channel */ 826 unsigned int dpcm_merged_chan:1; 827 /* DPCM used FE & BE merged rate */ 828 unsigned int dpcm_merged_rate:1; 829 830 /* pmdown_time is ignored at stop */ 831 unsigned int ignore_pmdown_time:1; 832 833 /* Do not create a PCM for this DAI link (Backend link) */ 834 unsigned int ignore:1; 835 836#ifdef CONFIG_SND_SOC_TOPOLOGY 837 struct snd_soc_dobj dobj; /* For topology */ 838#endif 839}; 840 841static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link) 842{ 843 return max(link->num_cpus, link->num_codecs); 844} 845 846static inline struct snd_soc_dai_link_component* 847snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) { 848 return &(link)->cpus[n]; 849} 850 851static inline struct snd_soc_dai_link_component* 852snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) { 853 return &(link)->codecs[n]; 854} 855 856static inline struct snd_soc_dai_link_component* 857snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { 858 return &(link)->platforms[n]; 859} 860 861#define for_each_link_codecs(link, i, codec) \ 862 for ((i) = 0; \ 863 ((i) < link->num_codecs) && \ 864 ((codec) = snd_soc_link_to_codec(link, i)); \ 865 (i)++) 866 867#define for_each_link_platforms(link, i, platform) \ 868 for ((i) = 0; \ 869 ((i) < link->num_platforms) && \ 870 ((platform) = snd_soc_link_to_platform(link, i)); \ 871 (i)++) 872 873#define for_each_link_cpus(link, i, cpu) \ 874 for ((i) = 0; \ 875 ((i) < link->num_cpus) && \ 876 ((cpu) = snd_soc_link_to_cpu(link, i)); \ 877 (i)++) 878 879#define for_each_link_ch_maps(link, i, ch_map) \ 880 for ((i) = 0; \ 881 ((i) < snd_soc_link_num_ch_map(link) && \ 882 ((ch_map) = link->ch_maps + i)); \ 883 (i)++) 884 885/* 886 * Sample 1 : Single CPU/Codec/Platform 887 * 888 * SND_SOC_DAILINK_DEFS(test, 889 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 890 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 891 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 892 * 893 * struct snd_soc_dai_link link = { 894 * ... 895 * SND_SOC_DAILINK_REG(test), 896 * }; 897 * 898 * Sample 2 : Multi CPU/Codec, no Platform 899 * 900 * SND_SOC_DAILINK_DEFS(test, 901 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 902 * COMP_CPU("cpu_dai2")), 903 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 904 * COMP_CODEC("codec2", "codec_dai2"))); 905 * 906 * struct snd_soc_dai_link link = { 907 * ... 908 * SND_SOC_DAILINK_REG(test), 909 * }; 910 * 911 * Sample 3 : Define each CPU/Codec/Platform manually 912 * 913 * SND_SOC_DAILINK_DEF(test_cpu, 914 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 915 * COMP_CPU("cpu_dai2"))); 916 * SND_SOC_DAILINK_DEF(test_codec, 917 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 918 * COMP_CODEC("codec2", "codec_dai2"))); 919 * SND_SOC_DAILINK_DEF(test_platform, 920 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 921 * 922 * struct snd_soc_dai_link link = { 923 * ... 924 * SND_SOC_DAILINK_REG(test_cpu, 925 * test_codec, 926 * test_platform), 927 * }; 928 * 929 * Sample 4 : Sample3 without platform 930 * 931 * struct snd_soc_dai_link link = { 932 * ... 933 * SND_SOC_DAILINK_REG(test_cpu, 934 * test_codec); 935 * }; 936 */ 937 938#define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 939#define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 940#define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 941 .cpus = cpu, \ 942 .num_cpus = ARRAY_SIZE(cpu), \ 943 .codecs = codec, \ 944 .num_codecs = ARRAY_SIZE(codec), \ 945 .platforms = platform, \ 946 .num_platforms = ARRAY_SIZE(platform) 947 948#define SND_SOC_DAILINK_REG(...) \ 949 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__) 950 951#define SND_SOC_DAILINK_DEF(name, def...) \ 952 static struct snd_soc_dai_link_component name[] = { def } 953 954#define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 955 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 956 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 957 SND_SOC_DAILINK_DEF(name##_platforms, platform) 958 959#define DAILINK_COMP_ARRAY(param...) param 960#define COMP_EMPTY() { } 961#define COMP_CPU(_dai) { .dai_name = _dai, } 962#define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 963#define COMP_PLATFORM(_name) { .name = _name } 964#define COMP_AUX(_name) { .name = _name } 965#define COMP_CODEC_CONF(_name) { .name = _name } 966#define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */ 967 968extern struct snd_soc_dai_link_component null_dailink_component[0]; 969extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; 970 971 972struct snd_soc_codec_conf { 973 /* 974 * specify device either by device name, or by 975 * DT/OF node, but not both. 976 */ 977 struct snd_soc_dai_link_component dlc; 978 979 /* 980 * optional map of kcontrol, widget and path name prefixes that are 981 * associated per device 982 */ 983 const char *name_prefix; 984}; 985 986struct snd_soc_aux_dev { 987 /* 988 * specify multi-codec either by device name, or by 989 * DT/OF node, but not both. 990 */ 991 struct snd_soc_dai_link_component dlc; 992 993 /* codec/machine specific init - e.g. add machine controls */ 994 int (*init)(struct snd_soc_component *component); 995}; 996 997/* SoC card */ 998struct snd_soc_card { 999 const char *name; 1000 const char *long_name; 1001 const char *driver_name; 1002 const char *components; 1003#ifdef CONFIG_DMI 1004 char dmi_longname[80]; 1005#endif /* CONFIG_DMI */ 1006 1007#ifdef CONFIG_PCI 1008 /* 1009 * PCI does not define 0 as invalid, so pci_subsystem_set indicates 1010 * whether a value has been written to these fields. 1011 */ 1012 unsigned short pci_subsystem_vendor; 1013 unsigned short pci_subsystem_device; 1014 bool pci_subsystem_set; 1015#endif /* CONFIG_PCI */ 1016 1017 char topology_shortname[32]; 1018 1019 struct device *dev; 1020 struct snd_card *snd_card; 1021 struct module *owner; 1022 1023 struct mutex mutex; 1024 struct mutex dapm_mutex; 1025 1026 /* Mutex for PCM operations */ 1027 struct mutex pcm_mutex; 1028 enum snd_soc_pcm_subclass pcm_subclass; 1029 1030 int (*probe)(struct snd_soc_card *card); 1031 int (*late_probe)(struct snd_soc_card *card); 1032 void (*fixup_controls)(struct snd_soc_card *card); 1033 int (*remove)(struct snd_soc_card *card); 1034 1035 /* the pre and post PM functions are used to do any PM work before and 1036 * after the codec and DAI's do any PM work. */ 1037 int (*suspend_pre)(struct snd_soc_card *card); 1038 int (*suspend_post)(struct snd_soc_card *card); 1039 int (*resume_pre)(struct snd_soc_card *card); 1040 int (*resume_post)(struct snd_soc_card *card); 1041 1042 /* callbacks */ 1043 int (*set_bias_level)(struct snd_soc_card *, 1044 struct snd_soc_dapm_context *dapm, 1045 enum snd_soc_bias_level level); 1046 int (*set_bias_level_post)(struct snd_soc_card *, 1047 struct snd_soc_dapm_context *dapm, 1048 enum snd_soc_bias_level level); 1049 1050 int (*add_dai_link)(struct snd_soc_card *, 1051 struct snd_soc_dai_link *link); 1052 void (*remove_dai_link)(struct snd_soc_card *, 1053 struct snd_soc_dai_link *link); 1054 1055 long pmdown_time; 1056 1057 /* CPU <--> Codec DAI links */ 1058 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1059 int num_links; /* predefined links only */ 1060 1061 struct list_head rtd_list; 1062 int num_rtd; 1063 1064 /* optional codec specific configuration */ 1065 struct snd_soc_codec_conf *codec_conf; 1066 int num_configs; 1067 1068 /* 1069 * optional auxiliary devices such as amplifiers or codecs with DAI 1070 * link unused 1071 */ 1072 struct snd_soc_aux_dev *aux_dev; 1073 int num_aux_devs; 1074 struct list_head aux_comp_list; 1075 1076 const struct snd_kcontrol_new *controls; 1077 int num_controls; 1078 1079 /* 1080 * Card-specific routes and widgets. 1081 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1082 */ 1083 const struct snd_soc_dapm_widget *dapm_widgets; 1084 int num_dapm_widgets; 1085 const struct snd_soc_dapm_route *dapm_routes; 1086 int num_dapm_routes; 1087 const struct snd_soc_dapm_widget *of_dapm_widgets; 1088 int num_of_dapm_widgets; 1089 const struct snd_soc_dapm_route *of_dapm_routes; 1090 int num_of_dapm_routes; 1091 1092 /* lists of probed devices belonging to this card */ 1093 struct list_head component_dev_list; 1094 struct list_head list; 1095 1096 struct list_head widgets; 1097 struct list_head paths; 1098 struct list_head dapm_list; 1099 struct list_head dapm_dirty; 1100 1101 /* attached dynamic objects */ 1102 struct list_head dobj_list; 1103 1104 /* Generic DAPM context for the card */ 1105 struct snd_soc_dapm_context dapm; 1106 struct snd_soc_dapm_stats dapm_stats; 1107 struct snd_soc_dapm_update *update; 1108 1109#ifdef CONFIG_DEBUG_FS 1110 struct dentry *debugfs_card_root; 1111#endif 1112#ifdef CONFIG_PM_SLEEP 1113 struct work_struct deferred_resume_work; 1114#endif 1115 u32 pop_time; 1116 1117 /* bit field */ 1118 unsigned int instantiated:1; 1119 unsigned int topology_shortname_created:1; 1120 unsigned int fully_routed:1; 1121 unsigned int disable_route_checks:1; 1122 unsigned int probed:1; 1123 unsigned int component_chaining:1; 1124 1125 void *drvdata; 1126}; 1127#define for_each_card_prelinks(card, i, link) \ 1128 for ((i) = 0; \ 1129 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 1130 (i)++) 1131#define for_each_card_pre_auxs(card, i, aux) \ 1132 for ((i) = 0; \ 1133 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \ 1134 (i)++) 1135 1136#define for_each_card_rtds(card, rtd) \ 1137 list_for_each_entry(rtd, &(card)->rtd_list, list) 1138#define for_each_card_rtds_safe(card, rtd, _rtd) \ 1139 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1140 1141#define for_each_card_auxs(card, component) \ 1142 list_for_each_entry(component, &card->aux_comp_list, card_aux_list) 1143#define for_each_card_auxs_safe(card, component, _comp) \ 1144 list_for_each_entry_safe(component, _comp, \ 1145 &card->aux_comp_list, card_aux_list) 1146 1147#define for_each_card_components(card, component) \ 1148 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1149 1150#define for_each_card_dapms(card, dapm) \ 1151 list_for_each_entry(dapm, &card->dapm_list, list) 1152 1153#define for_each_card_widgets(card, w)\ 1154 list_for_each_entry(w, &card->widgets, list) 1155#define for_each_card_widgets_safe(card, w, _w) \ 1156 list_for_each_entry_safe(w, _w, &card->widgets, list) 1157 1158 1159static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card) 1160{ 1161 return card && card->instantiated; 1162} 1163 1164/* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1165struct snd_soc_pcm_runtime { 1166 struct device *dev; 1167 struct snd_soc_card *card; 1168 struct snd_soc_dai_link *dai_link; 1169 struct snd_pcm_ops ops; 1170 1171 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */ 1172 1173 /* Dynamic PCM BE runtime data */ 1174 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1]; 1175 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1]; 1176 1177 long pmdown_time; 1178 1179 /* runtime devices */ 1180 struct snd_pcm *pcm; 1181 struct snd_compr *compr; 1182 1183 /* 1184 * dais = cpu_dai + codec_dai 1185 * see 1186 * soc_new_pcm_runtime() 1187 * snd_soc_rtd_to_cpu() 1188 * snd_soc_rtd_to_codec() 1189 */ 1190 struct snd_soc_dai **dais; 1191 1192 struct delayed_work delayed_work; 1193 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd); 1194#ifdef CONFIG_DEBUG_FS 1195 struct dentry *debugfs_dpcm_root; 1196#endif 1197 1198 unsigned int id; /* 0-based and monotonic increasing */ 1199 struct list_head list; /* rtd list of the soc card */ 1200 1201 /* function mark */ 1202 struct snd_pcm_substream *mark_startup; 1203 struct snd_pcm_substream *mark_hw_params; 1204 struct snd_pcm_substream *mark_trigger; 1205 struct snd_compr_stream *mark_compr_startup; 1206 1207 /* bit field */ 1208 unsigned int pop_wait:1; 1209 unsigned int fe_compr:1; /* for Dynamic PCM */ 1210 unsigned int initialized:1; 1211 1212 /* CPU/Codec/Platform */ 1213 int num_components; 1214 struct snd_soc_component *components[] __counted_by(num_components); 1215}; 1216 1217/* see soc_new_pcm_runtime() */ 1218#define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n] 1219#define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus] 1220 1221static inline struct snd_soc_pcm_runtime * 1222snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream) 1223{ 1224 return snd_pcm_substream_chip(substream); 1225} 1226 1227#define for_each_rtd_components(rtd, i, component) \ 1228 for ((i) = 0, component = NULL; \ 1229 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\ 1230 (i)++) 1231#define for_each_rtd_cpu_dais(rtd, i, dai) \ 1232 for ((i) = 0; \ 1233 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \ 1234 (i)++) 1235#define for_each_rtd_codec_dais(rtd, i, dai) \ 1236 for ((i) = 0; \ 1237 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \ 1238 (i)++) 1239#define for_each_rtd_dais(rtd, i, dai) \ 1240 for ((i) = 0; \ 1241 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \ 1242 ((dai) = (rtd)->dais[i]); \ 1243 (i)++) 1244#define for_each_rtd_dais_reverse(rtd, i, dai) \ 1245 for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \ 1246 (i) >= 0 && ((dai) = (rtd)->dais[i]); \ 1247 (i)--) 1248#define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps) 1249 1250void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); 1251 1252/* mixer control */ 1253struct soc_mixer_control { 1254 int min, max, platform_max; 1255 int reg, rreg; 1256 unsigned int shift, rshift; 1257 unsigned int sign_bit; 1258 unsigned int invert:1; 1259 unsigned int autodisable:1; 1260#ifdef CONFIG_SND_SOC_TOPOLOGY 1261 struct snd_soc_dobj dobj; 1262#endif 1263}; 1264 1265struct soc_bytes { 1266 int base; 1267 int num_regs; 1268 u32 mask; 1269}; 1270 1271struct soc_bytes_ext { 1272 int max; 1273#ifdef CONFIG_SND_SOC_TOPOLOGY 1274 struct snd_soc_dobj dobj; 1275#endif 1276 /* used for TLV byte control */ 1277 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1278 unsigned int size); 1279 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1280 unsigned int size); 1281}; 1282 1283/* multi register control */ 1284struct soc_mreg_control { 1285 long min, max; 1286 unsigned int regbase, regcount, nbits, invert; 1287}; 1288 1289/* enumerated kcontrol */ 1290struct soc_enum { 1291 int reg; 1292 unsigned char shift_l; 1293 unsigned char shift_r; 1294 unsigned int items; 1295 unsigned int mask; 1296 const char * const *texts; 1297 const unsigned int *values; 1298 unsigned int autodisable:1; 1299#ifdef CONFIG_SND_SOC_TOPOLOGY 1300 struct snd_soc_dobj dobj; 1301#endif 1302}; 1303 1304static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc) 1305{ 1306 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1307 return false; 1308 /* 1309 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1310 * mc->reg != mc->rreg means that the control is 1311 * stereo (bits in one register or in two registers) 1312 */ 1313 return true; 1314} 1315 1316static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e, 1317 unsigned int val) 1318{ 1319 unsigned int i; 1320 1321 if (!e->values) 1322 return val; 1323 1324 for (i = 0; i < e->items; i++) 1325 if (val == e->values[i]) 1326 return i; 1327 1328 return 0; 1329} 1330 1331static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e, 1332 unsigned int item) 1333{ 1334 if (!e->values) 1335 return item; 1336 1337 return e->values[item]; 1338} 1339 1340/** 1341 * snd_soc_kcontrol_component() - Returns the component that registered the 1342 * control 1343 * @kcontrol: The control for which to get the component 1344 * 1345 * Note: This function will work correctly if the control has been registered 1346 * for a component. With snd_soc_add_codec_controls() or via table based 1347 * setup for either a CODEC or component driver. Otherwise the behavior is 1348 * undefined. 1349 */ 1350static inline struct snd_soc_component *snd_soc_kcontrol_component( 1351 struct snd_kcontrol *kcontrol) 1352{ 1353 return snd_kcontrol_chip(kcontrol); 1354} 1355 1356int snd_soc_util_init(void); 1357void snd_soc_util_exit(void); 1358 1359int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1360 const char *propname); 1361int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1362 const char *propname); 1363int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop); 1364int snd_soc_of_get_slot_mask(struct device_node *np, 1365 const char *prop_name, 1366 unsigned int *mask); 1367int snd_soc_of_parse_tdm_slot(struct device_node *np, 1368 unsigned int *tx_mask, 1369 unsigned int *rx_mask, 1370 unsigned int *slots, 1371 unsigned int *slot_width); 1372void snd_soc_of_parse_node_prefix(struct device_node *np, 1373 struct snd_soc_codec_conf *codec_conf, 1374 struct device_node *of_node, 1375 const char *propname); 1376static inline 1377void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1378 struct snd_soc_codec_conf *codec_conf, 1379 struct device_node *of_node, 1380 const char *propname) 1381{ 1382 snd_soc_of_parse_node_prefix(card->dev->of_node, 1383 codec_conf, of_node, propname); 1384} 1385 1386int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1387 const char *propname); 1388int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); 1389 1390unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt); 1391unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); 1392 1393unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); 1394unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, 1395 const char *prefix, 1396 struct device_node **bitclkmaster, 1397 struct device_node **framemaster); 1398#define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \ 1399 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL) 1400#define snd_soc_daifmt_parse_clock_provider_as_phandle \ 1401 snd_soc_daifmt_parse_clock_provider_raw 1402#define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \ 1403 snd_soc_daifmt_clock_provider_from_bitmap( \ 1404 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) 1405 1406int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream); 1407int snd_soc_get_dlc(const struct of_phandle_args *args, 1408 struct snd_soc_dai_link_component *dlc); 1409int snd_soc_of_get_dlc(struct device_node *of_node, 1410 struct of_phandle_args *args, 1411 struct snd_soc_dai_link_component *dlc, 1412 int index); 1413int snd_soc_get_dai_id(struct device_node *ep); 1414int snd_soc_get_dai_name(const struct of_phandle_args *args, 1415 const char **dai_name); 1416int snd_soc_of_get_dai_name(struct device_node *of_node, 1417 const char **dai_name, int index); 1418int snd_soc_of_get_dai_link_codecs(struct device *dev, 1419 struct device_node *of_node, 1420 struct snd_soc_dai_link *dai_link); 1421void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1422int snd_soc_of_get_dai_link_cpus(struct device *dev, 1423 struct device_node *of_node, 1424 struct snd_soc_dai_link *dai_link); 1425void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link); 1426 1427int snd_soc_add_pcm_runtimes(struct snd_soc_card *card, 1428 struct snd_soc_dai_link *dai_link, 1429 int num_dai_link); 1430void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, 1431 struct snd_soc_pcm_runtime *rtd); 1432 1433void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, 1434 struct snd_soc_dai_link_component *cpus); 1435struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, 1436 const struct of_phandle_args *args); 1437struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args); 1438struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, 1439 struct snd_soc_dai_driver *dai_drv, 1440 bool legacy_dai_naming); 1441void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1442 1443struct snd_soc_dai *snd_soc_find_dai( 1444 const struct snd_soc_dai_link_component *dlc); 1445struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1446 const struct snd_soc_dai_link_component *dlc); 1447 1448#include <sound/soc-dai.h> 1449 1450static inline 1451int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1452 const char *platform_name) 1453{ 1454 struct snd_soc_dai_link *dai_link; 1455 const char *name; 1456 int i; 1457 1458 if (!platform_name) /* nothing to do */ 1459 return 0; 1460 1461 /* set platform name for each dailink */ 1462 for_each_card_prelinks(card, i, dai_link) { 1463 /* only single platform is supported for now */ 1464 if (dai_link->num_platforms != 1) 1465 return -EINVAL; 1466 1467 if (!dai_link->platforms) 1468 return -EINVAL; 1469 1470 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1471 if (!name) 1472 return -ENOMEM; 1473 1474 /* only single platform is supported for now */ 1475 dai_link->platforms->name = name; 1476 } 1477 1478 return 0; 1479} 1480 1481#ifdef CONFIG_DEBUG_FS 1482extern struct dentry *snd_soc_debugfs_root; 1483#endif 1484 1485extern const struct dev_pm_ops snd_soc_pm_ops; 1486 1487/* 1488 * DAPM helper functions 1489 */ 1490enum snd_soc_dapm_subclass { 1491 SND_SOC_DAPM_CLASS_ROOT = 0, 1492 SND_SOC_DAPM_CLASS_RUNTIME = 1, 1493}; 1494 1495static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) 1496{ 1497 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); 1498} 1499 1500static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) 1501{ 1502 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1503} 1504 1505static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) 1506{ 1507 mutex_unlock(&card->dapm_mutex); 1508} 1509 1510static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) 1511{ 1512 lockdep_assert_held(&card->dapm_mutex); 1513} 1514 1515static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) 1516{ 1517 _snd_soc_dapm_mutex_lock_root_c(dapm->card); 1518} 1519 1520static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) 1521{ 1522 _snd_soc_dapm_mutex_lock_c(dapm->card); 1523} 1524 1525static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) 1526{ 1527 _snd_soc_dapm_mutex_unlock_c(dapm->card); 1528} 1529 1530static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) 1531{ 1532 _snd_soc_dapm_mutex_assert_held_c(dapm->card); 1533} 1534 1535#define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ 1536 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ 1537 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) 1538#define snd_soc_dapm_mutex_lock(x) _Generic((x), \ 1539 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ 1540 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) 1541#define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ 1542 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ 1543 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) 1544#define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ 1545 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ 1546 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) 1547 1548/* 1549 * PCM helper functions 1550 */ 1551static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) 1552{ 1553 mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass); 1554} 1555 1556static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) 1557{ 1558 mutex_unlock(&card->pcm_mutex); 1559} 1560 1561static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) 1562{ 1563 lockdep_assert_held(&card->pcm_mutex); 1564} 1565 1566static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) 1567{ 1568 _snd_soc_dpcm_mutex_lock_c(rtd->card); 1569} 1570 1571static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) 1572{ 1573 _snd_soc_dpcm_mutex_unlock_c(rtd->card); 1574} 1575 1576static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) 1577{ 1578 _snd_soc_dpcm_mutex_assert_held_c(rtd->card); 1579} 1580 1581#define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ 1582 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ 1583 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) 1584 1585#define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ 1586 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ 1587 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) 1588 1589#define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ 1590 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ 1591 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) 1592 1593#include <sound/soc-component.h> 1594#include <sound/soc-card.h> 1595#include <sound/soc-jack.h> 1596 1597#endif