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 32 struct module; 33 struct 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) 424 425 struct snd_jack; 426 struct snd_soc_card; 427 struct snd_soc_pcm_stream; 428 struct snd_soc_ops; 429 struct snd_soc_pcm_runtime; 430 struct snd_soc_dai; 431 struct snd_soc_dai_driver; 432 struct snd_soc_dai_link; 433 struct snd_soc_component; 434 struct snd_soc_component_driver; 435 struct soc_enum; 436 struct snd_soc_jack; 437 struct snd_soc_jack_zone; 438 struct snd_soc_jack_pin; 439 440 #include <sound/soc-dapm.h> 441 #include <sound/soc-dpcm.h> 442 #include <sound/soc-topology.h> 443 444 struct snd_soc_jack_gpio; 445 446 enum snd_soc_pcm_subclass { 447 SND_SOC_PCM_CLASS_PCM = 0, 448 SND_SOC_PCM_CLASS_BE = 1, 449 }; 450 451 int snd_soc_register_card(struct snd_soc_card *card); 452 void snd_soc_unregister_card(struct snd_soc_card *card); 453 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 454 #ifdef CONFIG_PM_SLEEP 455 int snd_soc_suspend(struct device *dev); 456 int snd_soc_resume(struct device *dev); 457 #else 458 static inline int snd_soc_suspend(struct device *dev) 459 { 460 return 0; 461 } 462 463 static inline int snd_soc_resume(struct device *dev) 464 { 465 return 0; 466 } 467 #endif 468 int snd_soc_poweroff(struct device *dev); 469 int snd_soc_component_initialize(struct snd_soc_component *component, 470 const struct snd_soc_component_driver *driver, 471 struct device *dev); 472 int snd_soc_add_component(struct snd_soc_component *component, 473 struct snd_soc_dai_driver *dai_drv, 474 int num_dai); 475 int 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); 478 int 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); 481 void snd_soc_unregister_component(struct device *dev); 482 void snd_soc_unregister_component_by_driver(struct device *dev, 483 const struct snd_soc_component_driver *component_driver); 484 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, 485 const char *driver_name); 486 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 487 const char *driver_name); 488 489 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd); 490 #ifdef CONFIG_SND_SOC_COMPRESS 491 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd); 492 #else 493 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd) 494 { 495 return 0; 496 } 497 #endif 498 499 void snd_soc_disconnect_sync(struct device *dev); 500 501 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 502 struct snd_soc_dai_link *dai_link); 503 504 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 505 506 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd, 507 int stream, int action); 508 static 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 } 513 static 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 } 518 519 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, 520 struct snd_pcm_hardware *hw, int stream); 521 522 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 523 unsigned int dai_fmt); 524 525 #ifdef CONFIG_DMI 526 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); 527 #else 528 static 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 */ 536 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 537 int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params); 538 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 539 int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms); 540 int 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 */ 544 static 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 } 551 552 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 553 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 554 unsigned int id, unsigned int id_mask); 555 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 556 557 #ifdef CONFIG_SND_SOC_AC97_BUS 558 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 559 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 560 struct platform_device *pdev); 561 562 extern struct snd_ac97_bus_ops *soc_ac97_ops; 563 #else 564 static 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 } 569 570 static 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 */ 579 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 580 void *data, const char *long_name, 581 const char *prefix); 582 int snd_soc_add_component_controls(struct snd_soc_component *component, 583 const struct snd_kcontrol_new *controls, unsigned int num_controls); 584 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 585 const struct snd_kcontrol_new *controls, int num_controls); 586 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 587 const struct snd_kcontrol_new *controls, int num_controls); 588 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 589 struct snd_ctl_elem_info *uinfo); 590 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 591 struct snd_ctl_elem_value *ucontrol); 592 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 593 struct snd_ctl_elem_value *ucontrol); 594 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 595 struct snd_ctl_elem_info *uinfo); 596 int 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 599 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 600 struct snd_ctl_elem_value *ucontrol); 601 int 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 605 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 606 struct snd_ctl_elem_value *ucontrol); 607 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 608 struct snd_ctl_elem_value *ucontrol); 609 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 610 struct snd_ctl_elem_info *uinfo); 611 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 612 struct snd_ctl_elem_value *ucontrol); 613 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 614 struct snd_ctl_elem_value *ucontrol); 615 int snd_soc_limit_volume(struct snd_soc_card *card, 616 const char *name, int max); 617 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 618 struct snd_ctl_elem_info *uinfo); 619 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 620 struct snd_ctl_elem_value *ucontrol); 621 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 622 struct snd_ctl_elem_value *ucontrol); 623 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 624 struct snd_ctl_elem_info *ucontrol); 625 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 626 unsigned int size, unsigned int __user *tlv); 627 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 628 struct snd_ctl_elem_info *uinfo); 629 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 630 struct snd_ctl_elem_value *ucontrol); 631 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 632 struct snd_ctl_elem_value *ucontrol); 633 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 634 struct snd_ctl_elem_value *ucontrol); 635 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 636 struct snd_ctl_elem_value *ucontrol); 637 638 enum 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 */ 647 struct 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 */ 660 struct 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 }; 668 669 struct 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 }; 674 675 struct snd_soc_component* 676 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 677 const char *driver_name); 678 679 struct 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 * Extra format = SND_SOC_DAIFMT_Bx_Fx 687 * 688 * [Note] it is Bx_Fx base, not CBx_CFx 689 * 690 * It will be used with dai_link->dai_fmt 691 * see 692 * snd_soc_runtime_set_dai_fmt() 693 */ 694 unsigned int ext_fmt; 695 }; 696 697 /* 698 * [dai_link->ch_maps Image sample] 699 * 700 *------------------------- 701 * CPU0 <---> Codec0 702 * 703 * ch-map[0].cpu = 0 ch-map[0].codec = 0 704 * 705 *------------------------- 706 * CPU0 <---> Codec0 707 * CPU1 <---> Codec1 708 * CPU2 <---> Codec2 709 * 710 * ch-map[0].cpu = 0 ch-map[0].codec = 0 711 * ch-map[1].cpu = 1 ch-map[1].codec = 1 712 * ch-map[2].cpu = 2 ch-map[2].codec = 2 713 * 714 *------------------------- 715 * CPU0 <---> Codec0 716 * CPU1 <-+-> Codec1 717 * CPU2 <-/ 718 * 719 * ch-map[0].cpu = 0 ch-map[0].codec = 0 720 * ch-map[1].cpu = 1 ch-map[1].codec = 1 721 * ch-map[2].cpu = 2 ch-map[2].codec = 1 722 * 723 *------------------------- 724 * CPU0 <---> Codec0 725 * CPU1 <-+-> Codec1 726 * \-> Codec2 727 * 728 * ch-map[0].cpu = 0 ch-map[0].codec = 0 729 * ch-map[1].cpu = 1 ch-map[1].codec = 1 730 * ch-map[2].cpu = 1 ch-map[2].codec = 2 731 * 732 */ 733 struct snd_soc_dai_link_ch_map { 734 unsigned int cpu; 735 unsigned int codec; 736 unsigned int ch_mask; 737 }; 738 739 struct snd_soc_dai_link { 740 /* config - must be set by machine driver */ 741 const char *name; /* Codec name */ 742 const char *stream_name; /* Stream name */ 743 744 /* 745 * You MAY specify the link's CPU-side device, either by device name, 746 * or by DT/OF node, but not both. If this information is omitted, 747 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 748 * must be globally unique. These fields are currently typically used 749 * only for codec to codec links, or systems using device tree. 750 */ 751 /* 752 * You MAY specify the DAI name of the CPU DAI. If this information is 753 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 754 * only, which only works well when that device exposes a single DAI. 755 */ 756 struct snd_soc_dai_link_component *cpus; 757 unsigned int num_cpus; 758 759 /* 760 * You MUST specify the link's codec, either by device name, or by 761 * DT/OF node, but not both. 762 */ 763 /* You MUST specify the DAI name within the codec */ 764 struct snd_soc_dai_link_component *codecs; 765 unsigned int num_codecs; 766 767 /* num_ch_maps = max(num_cpu, num_codecs) */ 768 struct snd_soc_dai_link_ch_map *ch_maps; 769 770 /* 771 * You MAY specify the link's platform/PCM/DMA driver, either by 772 * device name, or by DT/OF node, but not both. Some forms of link 773 * do not need a platform. In such case, platforms are not mandatory. 774 */ 775 struct snd_soc_dai_link_component *platforms; 776 unsigned int num_platforms; 777 778 int id; /* optional ID for machine driver link identification */ 779 780 /* 781 * for Codec2Codec 782 */ 783 const struct snd_soc_pcm_stream *c2c_params; 784 unsigned int num_c2c_params; 785 786 unsigned int dai_fmt; /* format to set on init */ 787 788 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 789 790 /* codec/machine specific init - e.g. add machine controls */ 791 int (*init)(struct snd_soc_pcm_runtime *rtd); 792 793 /* codec/machine specific exit - dual of init() */ 794 void (*exit)(struct snd_soc_pcm_runtime *rtd); 795 796 /* optional hw_params re-writing for BE and FE sync */ 797 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 798 struct snd_pcm_hw_params *params); 799 800 /* machine stream operations */ 801 const struct snd_soc_ops *ops; 802 const struct snd_soc_compr_ops *compr_ops; 803 804 /* 805 * soc_pcm_trigger() start/stop sequence. 806 * see also 807 * snd_soc_component_driver 808 * soc_pcm_trigger() 809 */ 810 enum snd_soc_trigger_order trigger_start; 811 enum snd_soc_trigger_order trigger_stop; 812 813 /* Mark this pcm with non atomic ops */ 814 unsigned int nonatomic:1; 815 816 /* For unidirectional dai links */ 817 unsigned int playback_only:1; 818 unsigned int capture_only:1; 819 820 /* Keep DAI active over suspend */ 821 unsigned int ignore_suspend:1; 822 823 /* Symmetry requirements */ 824 unsigned int symmetric_rate:1; 825 unsigned int symmetric_channels:1; 826 unsigned int symmetric_sample_bits:1; 827 828 /* Do not create a PCM for this DAI link (Backend link) */ 829 unsigned int no_pcm:1; 830 831 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 832 unsigned int dynamic:1; 833 834 /* DPCM used FE & BE merged format */ 835 unsigned int dpcm_merged_format:1; 836 /* DPCM used FE & BE merged channel */ 837 unsigned int dpcm_merged_chan:1; 838 /* DPCM used FE & BE merged rate */ 839 unsigned int dpcm_merged_rate:1; 840 841 /* pmdown_time is ignored at stop */ 842 unsigned int ignore_pmdown_time:1; 843 844 /* Do not create a PCM for this DAI link (Backend link) */ 845 unsigned int ignore:1; 846 847 #ifdef CONFIG_SND_SOC_TOPOLOGY 848 struct snd_soc_dobj dobj; /* For topology */ 849 #endif 850 }; 851 852 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link) 853 { 854 return max(link->num_cpus, link->num_codecs); 855 } 856 857 static inline struct snd_soc_dai_link_component* 858 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) { 859 return &(link)->cpus[n]; 860 } 861 862 static inline struct snd_soc_dai_link_component* 863 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) { 864 return &(link)->codecs[n]; 865 } 866 867 static inline struct snd_soc_dai_link_component* 868 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { 869 return &(link)->platforms[n]; 870 } 871 872 #define for_each_link_codecs(link, i, codec) \ 873 for ((i) = 0; \ 874 ((i) < link->num_codecs) && \ 875 ((codec) = snd_soc_link_to_codec(link, i)); \ 876 (i)++) 877 878 #define for_each_link_platforms(link, i, platform) \ 879 for ((i) = 0; \ 880 ((i) < link->num_platforms) && \ 881 ((platform) = snd_soc_link_to_platform(link, i)); \ 882 (i)++) 883 884 #define for_each_link_cpus(link, i, cpu) \ 885 for ((i) = 0; \ 886 ((i) < link->num_cpus) && \ 887 ((cpu) = snd_soc_link_to_cpu(link, i)); \ 888 (i)++) 889 890 #define for_each_link_ch_maps(link, i, ch_map) \ 891 for ((i) = 0; \ 892 ((i) < snd_soc_link_num_ch_map(link) && \ 893 ((ch_map) = link->ch_maps + i)); \ 894 (i)++) 895 896 /* 897 * Sample 1 : Single CPU/Codec/Platform 898 * 899 * SND_SOC_DAILINK_DEFS(test, 900 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 901 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 902 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 903 * 904 * struct snd_soc_dai_link link = { 905 * ... 906 * SND_SOC_DAILINK_REG(test), 907 * }; 908 * 909 * Sample 2 : Multi CPU/Codec, no Platform 910 * 911 * SND_SOC_DAILINK_DEFS(test, 912 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 913 * COMP_CPU("cpu_dai2")), 914 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 915 * COMP_CODEC("codec2", "codec_dai2"))); 916 * 917 * struct snd_soc_dai_link link = { 918 * ... 919 * SND_SOC_DAILINK_REG(test), 920 * }; 921 * 922 * Sample 3 : Define each CPU/Codec/Platform manually 923 * 924 * SND_SOC_DAILINK_DEF(test_cpu, 925 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 926 * COMP_CPU("cpu_dai2"))); 927 * SND_SOC_DAILINK_DEF(test_codec, 928 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 929 * COMP_CODEC("codec2", "codec_dai2"))); 930 * SND_SOC_DAILINK_DEF(test_platform, 931 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 932 * 933 * struct snd_soc_dai_link link = { 934 * ... 935 * SND_SOC_DAILINK_REG(test_cpu, 936 * test_codec, 937 * test_platform), 938 * }; 939 * 940 * Sample 4 : Sample3 without platform 941 * 942 * struct snd_soc_dai_link link = { 943 * ... 944 * SND_SOC_DAILINK_REG(test_cpu, 945 * test_codec); 946 * }; 947 */ 948 949 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 950 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 951 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 952 .cpus = cpu, \ 953 .num_cpus = ARRAY_SIZE(cpu), \ 954 .codecs = codec, \ 955 .num_codecs = ARRAY_SIZE(codec), \ 956 .platforms = platform, \ 957 .num_platforms = ARRAY_SIZE(platform) 958 959 #define SND_SOC_DAILINK_REG(...) \ 960 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__) 961 962 #define SND_SOC_DAILINK_DEF(name, def...) \ 963 static struct snd_soc_dai_link_component name[] = { def } 964 965 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 966 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 967 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 968 SND_SOC_DAILINK_DEF(name##_platforms, platform) 969 970 #define DAILINK_COMP_ARRAY(param...) param 971 #define COMP_EMPTY() { } 972 #define COMP_CPU(_dai) { .dai_name = _dai, } 973 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 974 #define COMP_PLATFORM(_name) { .name = _name } 975 #define COMP_AUX(_name) { .name = _name } 976 #define COMP_CODEC_CONF(_name) { .name = _name } 977 #define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */ 978 979 extern struct snd_soc_dai_link_component null_dailink_component[0]; 980 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; 981 982 983 struct snd_soc_codec_conf { 984 /* 985 * specify device either by device name, or by 986 * DT/OF node, but not both. 987 */ 988 struct snd_soc_dai_link_component dlc; 989 990 /* 991 * optional map of kcontrol, widget and path name prefixes that are 992 * associated per device 993 */ 994 const char *name_prefix; 995 }; 996 997 struct snd_soc_aux_dev { 998 /* 999 * specify multi-codec either by device name, or by 1000 * DT/OF node, but not both. 1001 */ 1002 struct snd_soc_dai_link_component dlc; 1003 1004 /* codec/machine specific init - e.g. add machine controls */ 1005 int (*init)(struct snd_soc_component *component); 1006 }; 1007 1008 /* SoC card */ 1009 struct snd_soc_card { 1010 const char *name; 1011 const char *long_name; 1012 const char *driver_name; 1013 const char *components; 1014 #ifdef CONFIG_DMI 1015 char dmi_longname[80]; 1016 #endif /* CONFIG_DMI */ 1017 1018 #ifdef CONFIG_PCI 1019 /* 1020 * PCI does not define 0 as invalid, so pci_subsystem_set indicates 1021 * whether a value has been written to these fields. 1022 */ 1023 unsigned short pci_subsystem_vendor; 1024 unsigned short pci_subsystem_device; 1025 bool pci_subsystem_set; 1026 #endif /* CONFIG_PCI */ 1027 1028 char topology_shortname[32]; 1029 1030 struct device *dev; 1031 struct snd_card *snd_card; 1032 struct module *owner; 1033 1034 struct mutex mutex; 1035 struct mutex dapm_mutex; 1036 1037 /* Mutex for PCM operations */ 1038 struct mutex pcm_mutex; 1039 enum snd_soc_pcm_subclass pcm_subclass; 1040 1041 int (*probe)(struct snd_soc_card *card); 1042 int (*late_probe)(struct snd_soc_card *card); 1043 void (*fixup_controls)(struct snd_soc_card *card); 1044 int (*remove)(struct snd_soc_card *card); 1045 1046 /* the pre and post PM functions are used to do any PM work before and 1047 * after the codec and DAI's do any PM work. */ 1048 int (*suspend_pre)(struct snd_soc_card *card); 1049 int (*suspend_post)(struct snd_soc_card *card); 1050 int (*resume_pre)(struct snd_soc_card *card); 1051 int (*resume_post)(struct snd_soc_card *card); 1052 1053 /* callbacks */ 1054 int (*set_bias_level)(struct snd_soc_card *, 1055 struct snd_soc_dapm_context *dapm, 1056 enum snd_soc_bias_level level); 1057 int (*set_bias_level_post)(struct snd_soc_card *, 1058 struct snd_soc_dapm_context *dapm, 1059 enum snd_soc_bias_level level); 1060 1061 int (*add_dai_link)(struct snd_soc_card *, 1062 struct snd_soc_dai_link *link); 1063 void (*remove_dai_link)(struct snd_soc_card *, 1064 struct snd_soc_dai_link *link); 1065 1066 long pmdown_time; 1067 1068 /* CPU <--> Codec DAI links */ 1069 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1070 int num_links; /* predefined links only */ 1071 1072 struct list_head rtd_list; 1073 int num_rtd; 1074 1075 /* optional codec specific configuration */ 1076 struct snd_soc_codec_conf *codec_conf; 1077 int num_configs; 1078 1079 /* 1080 * optional auxiliary devices such as amplifiers or codecs with DAI 1081 * link unused 1082 */ 1083 struct snd_soc_aux_dev *aux_dev; 1084 int num_aux_devs; 1085 struct list_head aux_comp_list; 1086 1087 const struct snd_kcontrol_new *controls; 1088 int num_controls; 1089 1090 /* 1091 * Card-specific routes and widgets. 1092 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1093 */ 1094 const struct snd_soc_dapm_widget *dapm_widgets; 1095 int num_dapm_widgets; 1096 const struct snd_soc_dapm_route *dapm_routes; 1097 int num_dapm_routes; 1098 const struct snd_soc_dapm_widget *of_dapm_widgets; 1099 int num_of_dapm_widgets; 1100 const struct snd_soc_dapm_route *of_dapm_routes; 1101 int num_of_dapm_routes; 1102 1103 /* lists of probed devices belonging to this card */ 1104 struct list_head component_dev_list; 1105 struct list_head list; 1106 1107 struct list_head widgets; 1108 struct list_head paths; 1109 struct list_head dapm_list; 1110 struct list_head dapm_dirty; 1111 1112 /* attached dynamic objects */ 1113 struct list_head dobj_list; 1114 1115 /* Generic DAPM context for the card */ 1116 struct snd_soc_dapm_context dapm; 1117 struct snd_soc_dapm_stats dapm_stats; 1118 struct snd_soc_dapm_update *update; 1119 1120 #ifdef CONFIG_DEBUG_FS 1121 struct dentry *debugfs_card_root; 1122 #endif 1123 #ifdef CONFIG_PM_SLEEP 1124 struct work_struct deferred_resume_work; 1125 #endif 1126 u32 pop_time; 1127 1128 /* bit field */ 1129 unsigned int instantiated:1; 1130 unsigned int topology_shortname_created:1; 1131 unsigned int fully_routed:1; 1132 unsigned int probed:1; 1133 unsigned int component_chaining:1; 1134 1135 void *drvdata; 1136 }; 1137 #define for_each_card_prelinks(card, i, link) \ 1138 for ((i) = 0; \ 1139 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 1140 (i)++) 1141 #define for_each_card_pre_auxs(card, i, aux) \ 1142 for ((i) = 0; \ 1143 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \ 1144 (i)++) 1145 1146 #define for_each_card_rtds(card, rtd) \ 1147 list_for_each_entry(rtd, &(card)->rtd_list, list) 1148 #define for_each_card_rtds_safe(card, rtd, _rtd) \ 1149 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1150 1151 #define for_each_card_auxs(card, component) \ 1152 list_for_each_entry(component, &card->aux_comp_list, card_aux_list) 1153 #define for_each_card_auxs_safe(card, component, _comp) \ 1154 list_for_each_entry_safe(component, _comp, \ 1155 &card->aux_comp_list, card_aux_list) 1156 1157 #define for_each_card_components(card, component) \ 1158 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1159 1160 #define for_each_card_dapms(card, dapm) \ 1161 list_for_each_entry(dapm, &card->dapm_list, list) 1162 1163 #define for_each_card_widgets(card, w)\ 1164 list_for_each_entry(w, &card->widgets, list) 1165 #define for_each_card_widgets_safe(card, w, _w) \ 1166 list_for_each_entry_safe(w, _w, &card->widgets, list) 1167 1168 1169 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card) 1170 { 1171 return card && card->instantiated; 1172 } 1173 1174 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1175 struct snd_soc_pcm_runtime { 1176 struct device *dev; 1177 struct snd_soc_card *card; 1178 struct snd_soc_dai_link *dai_link; 1179 struct snd_pcm_ops ops; 1180 1181 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */ 1182 1183 /* Dynamic PCM BE runtime data */ 1184 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1]; 1185 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1]; 1186 1187 long pmdown_time; 1188 1189 /* runtime devices */ 1190 struct snd_pcm *pcm; 1191 struct snd_compr *compr; 1192 1193 /* 1194 * dais = cpu_dai + codec_dai 1195 * see 1196 * soc_new_pcm_runtime() 1197 * snd_soc_rtd_to_cpu() 1198 * snd_soc_rtd_to_codec() 1199 */ 1200 struct snd_soc_dai **dais; 1201 1202 struct delayed_work delayed_work; 1203 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd); 1204 #ifdef CONFIG_DEBUG_FS 1205 struct dentry *debugfs_dpcm_root; 1206 #endif 1207 1208 unsigned int id; /* 0-based and monotonic increasing */ 1209 struct list_head list; /* rtd list of the soc card */ 1210 1211 /* function mark */ 1212 struct snd_pcm_substream *mark_startup; 1213 struct snd_pcm_substream *mark_hw_params; 1214 struct snd_pcm_substream *mark_trigger; 1215 struct snd_compr_stream *mark_compr_startup; 1216 1217 /* bit field */ 1218 unsigned int pop_wait:1; 1219 unsigned int fe_compr:1; /* for Dynamic PCM */ 1220 unsigned int initialized:1; 1221 1222 /* CPU/Codec/Platform */ 1223 int num_components; 1224 struct snd_soc_component *components[] __counted_by(num_components); 1225 }; 1226 1227 /* see soc_new_pcm_runtime() */ 1228 #define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n] 1229 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus] 1230 1231 static inline struct snd_soc_pcm_runtime * 1232 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream) 1233 { 1234 return snd_pcm_substream_chip(substream); 1235 } 1236 1237 #define for_each_rtd_components(rtd, i, component) \ 1238 for ((i) = 0, component = NULL; \ 1239 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\ 1240 (i)++) 1241 #define for_each_rtd_cpu_dais(rtd, i, dai) \ 1242 for ((i) = 0; \ 1243 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \ 1244 (i)++) 1245 #define for_each_rtd_codec_dais(rtd, i, dai) \ 1246 for ((i) = 0; \ 1247 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \ 1248 (i)++) 1249 #define for_each_rtd_dais(rtd, i, dai) \ 1250 for ((i) = 0; \ 1251 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \ 1252 ((dai) = (rtd)->dais[i]); \ 1253 (i)++) 1254 #define for_each_rtd_dais_reverse(rtd, i, dai) \ 1255 for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \ 1256 (i) >= 0 && ((dai) = (rtd)->dais[i]); \ 1257 (i)--) 1258 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps) 1259 1260 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); 1261 1262 /* mixer control */ 1263 struct soc_mixer_control { 1264 int min, max, platform_max; 1265 int reg, rreg; 1266 unsigned int shift, rshift; 1267 unsigned int sign_bit; 1268 unsigned int invert:1; 1269 unsigned int autodisable:1; 1270 #ifdef CONFIG_SND_SOC_TOPOLOGY 1271 struct snd_soc_dobj dobj; 1272 #endif 1273 }; 1274 1275 struct soc_bytes { 1276 int base; 1277 int num_regs; 1278 u32 mask; 1279 }; 1280 1281 struct soc_bytes_ext { 1282 int max; 1283 #ifdef CONFIG_SND_SOC_TOPOLOGY 1284 struct snd_soc_dobj dobj; 1285 #endif 1286 /* used for TLV byte control */ 1287 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1288 unsigned int size); 1289 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1290 unsigned int size); 1291 }; 1292 1293 /* multi register control */ 1294 struct soc_mreg_control { 1295 long min, max; 1296 unsigned int regbase, regcount, nbits, invert; 1297 }; 1298 1299 /* enumerated kcontrol */ 1300 struct soc_enum { 1301 int reg; 1302 unsigned char shift_l; 1303 unsigned char shift_r; 1304 unsigned int items; 1305 unsigned int mask; 1306 const char * const *texts; 1307 const unsigned int *values; 1308 unsigned int autodisable:1; 1309 #ifdef CONFIG_SND_SOC_TOPOLOGY 1310 struct snd_soc_dobj dobj; 1311 #endif 1312 }; 1313 1314 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc) 1315 { 1316 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1317 return false; 1318 /* 1319 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1320 * mc->reg != mc->rreg means that the control is 1321 * stereo (bits in one register or in two registers) 1322 */ 1323 return true; 1324 } 1325 1326 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e, 1327 unsigned int val) 1328 { 1329 unsigned int i; 1330 1331 if (!e->values) 1332 return val; 1333 1334 for (i = 0; i < e->items; i++) 1335 if (val == e->values[i]) 1336 return i; 1337 1338 return 0; 1339 } 1340 1341 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e, 1342 unsigned int item) 1343 { 1344 if (!e->values) 1345 return item; 1346 1347 return e->values[item]; 1348 } 1349 1350 /** 1351 * snd_soc_kcontrol_component() - Returns the component that registered the 1352 * control 1353 * @kcontrol: The control for which to get the component 1354 * 1355 * Note: This function will work correctly if the control has been registered 1356 * for a component. With snd_soc_add_codec_controls() or via table based 1357 * setup for either a CODEC or component driver. Otherwise the behavior is 1358 * undefined. 1359 */ 1360 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1361 struct snd_kcontrol *kcontrol) 1362 { 1363 return snd_kcontrol_chip(kcontrol); 1364 } 1365 1366 int snd_soc_util_init(void); 1367 void snd_soc_util_exit(void); 1368 1369 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1370 const char *propname); 1371 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1372 const char *propname); 1373 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop); 1374 int snd_soc_of_get_slot_mask(struct device_node *np, 1375 const char *prop_name, 1376 unsigned int *mask); 1377 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1378 unsigned int *tx_mask, 1379 unsigned int *rx_mask, 1380 unsigned int *slots, 1381 unsigned int *slot_width); 1382 void snd_soc_of_parse_node_prefix(struct device_node *np, 1383 struct snd_soc_codec_conf *codec_conf, 1384 struct device_node *of_node, 1385 const char *propname); 1386 static inline 1387 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1388 struct snd_soc_codec_conf *codec_conf, 1389 struct device_node *of_node, 1390 const char *propname) 1391 { 1392 snd_soc_of_parse_node_prefix(card->dev->of_node, 1393 codec_conf, of_node, propname); 1394 } 1395 1396 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1397 const char *propname); 1398 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); 1399 1400 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt); 1401 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); 1402 1403 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); 1404 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, 1405 const char *prefix, 1406 struct device_node **bitclkmaster, 1407 struct device_node **framemaster); 1408 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \ 1409 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL) 1410 #define snd_soc_daifmt_parse_clock_provider_as_phandle \ 1411 snd_soc_daifmt_parse_clock_provider_raw 1412 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \ 1413 snd_soc_daifmt_clock_provider_from_bitmap( \ 1414 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) 1415 1416 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream); 1417 int snd_soc_get_dlc(const struct of_phandle_args *args, 1418 struct snd_soc_dai_link_component *dlc); 1419 int snd_soc_of_get_dlc(struct device_node *of_node, 1420 struct of_phandle_args *args, 1421 struct snd_soc_dai_link_component *dlc, 1422 int index); 1423 int snd_soc_get_dai_id(struct device_node *ep); 1424 int snd_soc_get_dai_name(const struct of_phandle_args *args, 1425 const char **dai_name); 1426 int snd_soc_of_get_dai_name(struct device_node *of_node, 1427 const char **dai_name, int index); 1428 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1429 struct device_node *of_node, 1430 struct snd_soc_dai_link *dai_link); 1431 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1432 int snd_soc_of_get_dai_link_cpus(struct device *dev, 1433 struct device_node *of_node, 1434 struct snd_soc_dai_link *dai_link); 1435 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link); 1436 1437 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card, 1438 struct snd_soc_dai_link *dai_link, 1439 int num_dai_link); 1440 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, 1441 struct snd_soc_pcm_runtime *rtd); 1442 1443 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, 1444 struct snd_soc_dai_link_component *cpus); 1445 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, 1446 const struct of_phandle_args *args); 1447 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args); 1448 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, 1449 struct snd_soc_dai_driver *dai_drv, 1450 bool legacy_dai_naming); 1451 void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1452 1453 struct snd_soc_dai *snd_soc_find_dai( 1454 const struct snd_soc_dai_link_component *dlc); 1455 struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1456 const struct snd_soc_dai_link_component *dlc); 1457 1458 #include <sound/soc-dai.h> 1459 1460 static inline 1461 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1462 const char *platform_name) 1463 { 1464 struct snd_soc_dai_link *dai_link; 1465 const char *name; 1466 int i; 1467 1468 if (!platform_name) /* nothing to do */ 1469 return 0; 1470 1471 /* set platform name for each dailink */ 1472 for_each_card_prelinks(card, i, dai_link) { 1473 /* only single platform is supported for now */ 1474 if (dai_link->num_platforms != 1) 1475 return -EINVAL; 1476 1477 if (!dai_link->platforms) 1478 return -EINVAL; 1479 1480 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1481 if (!name) 1482 return -ENOMEM; 1483 1484 /* only single platform is supported for now */ 1485 dai_link->platforms->name = name; 1486 } 1487 1488 return 0; 1489 } 1490 1491 #ifdef CONFIG_DEBUG_FS 1492 extern struct dentry *snd_soc_debugfs_root; 1493 #endif 1494 1495 extern const struct dev_pm_ops snd_soc_pm_ops; 1496 1497 /* 1498 * DAPM helper functions 1499 */ 1500 enum snd_soc_dapm_subclass { 1501 SND_SOC_DAPM_CLASS_ROOT = 0, 1502 SND_SOC_DAPM_CLASS_RUNTIME = 1, 1503 }; 1504 1505 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) 1506 { 1507 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); 1508 } 1509 1510 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) 1511 { 1512 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1513 } 1514 1515 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) 1516 { 1517 mutex_unlock(&card->dapm_mutex); 1518 } 1519 1520 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) 1521 { 1522 lockdep_assert_held(&card->dapm_mutex); 1523 } 1524 1525 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) 1526 { 1527 _snd_soc_dapm_mutex_lock_root_c(dapm->card); 1528 } 1529 1530 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) 1531 { 1532 _snd_soc_dapm_mutex_lock_c(dapm->card); 1533 } 1534 1535 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) 1536 { 1537 _snd_soc_dapm_mutex_unlock_c(dapm->card); 1538 } 1539 1540 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) 1541 { 1542 _snd_soc_dapm_mutex_assert_held_c(dapm->card); 1543 } 1544 1545 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ 1546 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ 1547 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) 1548 #define snd_soc_dapm_mutex_lock(x) _Generic((x), \ 1549 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ 1550 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) 1551 #define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ 1552 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ 1553 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) 1554 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ 1555 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ 1556 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) 1557 1558 /* 1559 * PCM helper functions 1560 */ 1561 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) 1562 { 1563 mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass); 1564 } 1565 1566 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) 1567 { 1568 mutex_unlock(&card->pcm_mutex); 1569 } 1570 1571 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) 1572 { 1573 lockdep_assert_held(&card->pcm_mutex); 1574 } 1575 1576 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) 1577 { 1578 _snd_soc_dpcm_mutex_lock_c(rtd->card); 1579 } 1580 1581 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) 1582 { 1583 _snd_soc_dpcm_mutex_unlock_c(rtd->card); 1584 } 1585 1586 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) 1587 { 1588 _snd_soc_dpcm_mutex_assert_held_c(rtd->card); 1589 } 1590 1591 #define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ 1592 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ 1593 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) 1594 1595 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ 1596 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ 1597 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) 1598 1599 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ 1600 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ 1601 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) 1602 1603 #include <sound/soc-component.h> 1604 #include <sound/soc-card.h> 1605 #include <sound/soc-jack.h> 1606 1607 #endif 1608