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