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