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 ch_mask; 703 }; 704 705 struct snd_soc_dai_link { 706 /* config - must be set by machine driver */ 707 const char *name; /* Codec name */ 708 const char *stream_name; /* Stream name */ 709 710 /* 711 * You MAY specify the link's CPU-side device, either by device name, 712 * or by DT/OF node, but not both. If this information is omitted, 713 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 714 * must be globally unique. These fields are currently typically used 715 * only for codec to codec links, or systems using device tree. 716 */ 717 /* 718 * You MAY specify the DAI name of the CPU DAI. If this information is 719 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 720 * only, which only works well when that device exposes a single DAI. 721 */ 722 struct snd_soc_dai_link_component *cpus; 723 unsigned int num_cpus; 724 725 /* 726 * You MUST specify the link's codec, either by device name, or by 727 * DT/OF node, but not both. 728 */ 729 /* You MUST specify the DAI name within the codec */ 730 struct snd_soc_dai_link_component *codecs; 731 unsigned int num_codecs; 732 733 /* num_ch_maps = max(num_cpu, num_codecs) */ 734 struct snd_soc_dai_link_ch_map *ch_maps; 735 736 /* 737 * You MAY specify the link's platform/PCM/DMA driver, either by 738 * device name, or by DT/OF node, but not both. Some forms of link 739 * do not need a platform. In such case, platforms are not mandatory. 740 */ 741 struct snd_soc_dai_link_component *platforms; 742 unsigned int num_platforms; 743 744 int id; /* optional ID for machine driver link identification */ 745 746 /* 747 * for Codec2Codec 748 */ 749 const struct snd_soc_pcm_stream *c2c_params; 750 unsigned int num_c2c_params; 751 752 unsigned int dai_fmt; /* format to set on init */ 753 754 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 755 756 /* codec/machine specific init - e.g. add machine controls */ 757 int (*init)(struct snd_soc_pcm_runtime *rtd); 758 759 /* codec/machine specific exit - dual of init() */ 760 void (*exit)(struct snd_soc_pcm_runtime *rtd); 761 762 /* optional hw_params re-writing for BE and FE sync */ 763 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 764 struct snd_pcm_hw_params *params); 765 766 /* machine stream operations */ 767 const struct snd_soc_ops *ops; 768 const struct snd_soc_compr_ops *compr_ops; 769 770 /* 771 * soc_pcm_trigger() start/stop sequence. 772 * see also 773 * snd_soc_component_driver 774 * soc_pcm_trigger() 775 */ 776 enum snd_soc_trigger_order trigger_start; 777 enum snd_soc_trigger_order trigger_stop; 778 779 /* Mark this pcm with non atomic ops */ 780 unsigned int nonatomic:1; 781 782 /* For unidirectional dai links */ 783 unsigned int playback_only:1; 784 unsigned int capture_only:1; 785 786 /* Keep DAI active over suspend */ 787 unsigned int ignore_suspend:1; 788 789 /* Symmetry requirements */ 790 unsigned int symmetric_rate:1; 791 unsigned int symmetric_channels:1; 792 unsigned int symmetric_sample_bits:1; 793 794 /* Do not create a PCM for this DAI link (Backend link) */ 795 unsigned int no_pcm:1; 796 797 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 798 unsigned int dynamic:1; 799 800 /* DPCM used FE & BE merged format */ 801 unsigned int dpcm_merged_format:1; 802 /* DPCM used FE & BE merged channel */ 803 unsigned int dpcm_merged_chan:1; 804 /* DPCM used FE & BE merged rate */ 805 unsigned int dpcm_merged_rate:1; 806 807 /* pmdown_time is ignored at stop */ 808 unsigned int ignore_pmdown_time:1; 809 810 /* Do not create a PCM for this DAI link (Backend link) */ 811 unsigned int ignore:1; 812 813 #ifdef CONFIG_SND_SOC_TOPOLOGY 814 struct snd_soc_dobj dobj; /* For topology */ 815 #endif 816 }; 817 818 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link) 819 { 820 return max(link->num_cpus, link->num_codecs); 821 } 822 823 static inline struct snd_soc_dai_link_component* 824 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) { 825 return &(link)->cpus[n]; 826 } 827 828 static inline struct snd_soc_dai_link_component* 829 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) { 830 return &(link)->codecs[n]; 831 } 832 833 static inline struct snd_soc_dai_link_component* 834 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { 835 return &(link)->platforms[n]; 836 } 837 838 #define for_each_link_codecs(link, i, codec) \ 839 for ((i) = 0; \ 840 ((i) < link->num_codecs) && \ 841 ((codec) = snd_soc_link_to_codec(link, i)); \ 842 (i)++) 843 844 #define for_each_link_platforms(link, i, platform) \ 845 for ((i) = 0; \ 846 ((i) < link->num_platforms) && \ 847 ((platform) = snd_soc_link_to_platform(link, i)); \ 848 (i)++) 849 850 #define for_each_link_cpus(link, i, cpu) \ 851 for ((i) = 0; \ 852 ((i) < link->num_cpus) && \ 853 ((cpu) = snd_soc_link_to_cpu(link, i)); \ 854 (i)++) 855 856 #define for_each_link_ch_maps(link, i, ch_map) \ 857 for ((i) = 0; \ 858 ((i) < snd_soc_link_num_ch_map(link) && \ 859 ((ch_map) = link->ch_maps + i)); \ 860 (i)++) 861 862 /* 863 * Sample 1 : Single CPU/Codec/Platform 864 * 865 * SND_SOC_DAILINK_DEFS(test, 866 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 867 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 868 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 869 * 870 * struct snd_soc_dai_link link = { 871 * ... 872 * SND_SOC_DAILINK_REG(test), 873 * }; 874 * 875 * Sample 2 : Multi CPU/Codec, no Platform 876 * 877 * SND_SOC_DAILINK_DEFS(test, 878 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 879 * COMP_CPU("cpu_dai2")), 880 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 881 * COMP_CODEC("codec2", "codec_dai2"))); 882 * 883 * struct snd_soc_dai_link link = { 884 * ... 885 * SND_SOC_DAILINK_REG(test), 886 * }; 887 * 888 * Sample 3 : Define each CPU/Codec/Platform manually 889 * 890 * SND_SOC_DAILINK_DEF(test_cpu, 891 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 892 * COMP_CPU("cpu_dai2"))); 893 * SND_SOC_DAILINK_DEF(test_codec, 894 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 895 * COMP_CODEC("codec2", "codec_dai2"))); 896 * SND_SOC_DAILINK_DEF(test_platform, 897 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 898 * 899 * struct snd_soc_dai_link link = { 900 * ... 901 * SND_SOC_DAILINK_REG(test_cpu, 902 * test_codec, 903 * test_platform), 904 * }; 905 * 906 * Sample 4 : Sample3 without platform 907 * 908 * struct snd_soc_dai_link link = { 909 * ... 910 * SND_SOC_DAILINK_REG(test_cpu, 911 * test_codec); 912 * }; 913 */ 914 915 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 916 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 917 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 918 .cpus = cpu, \ 919 .num_cpus = ARRAY_SIZE(cpu), \ 920 .codecs = codec, \ 921 .num_codecs = ARRAY_SIZE(codec), \ 922 .platforms = platform, \ 923 .num_platforms = ARRAY_SIZE(platform) 924 925 #define SND_SOC_DAILINK_REG(...) \ 926 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__) 927 928 #define SND_SOC_DAILINK_DEF(name, def...) \ 929 static struct snd_soc_dai_link_component name[] = { def } 930 931 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 932 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 933 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 934 SND_SOC_DAILINK_DEF(name##_platforms, platform) 935 936 #define DAILINK_COMP_ARRAY(param...) param 937 #define COMP_EMPTY() { } 938 #define COMP_CPU(_dai) { .dai_name = _dai, } 939 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 940 #define COMP_PLATFORM(_name) { .name = _name } 941 #define COMP_AUX(_name) { .name = _name } 942 #define COMP_CODEC_CONF(_name) { .name = _name } 943 #define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */ 944 945 extern struct snd_soc_dai_link_component null_dailink_component[0]; 946 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; 947 int snd_soc_dlc_is_dummy(struct snd_soc_dai_link_component *dlc); 948 949 struct snd_soc_codec_conf { 950 /* 951 * specify device either by device name, or by 952 * DT/OF node, but not both. 953 */ 954 struct snd_soc_dai_link_component dlc; 955 956 /* 957 * optional map of kcontrol, widget and path name prefixes that are 958 * associated per device 959 */ 960 const char *name_prefix; 961 }; 962 963 struct snd_soc_aux_dev { 964 /* 965 * specify multi-codec either by device name, or by 966 * DT/OF node, but not both. 967 */ 968 struct snd_soc_dai_link_component dlc; 969 970 /* codec/machine specific init - e.g. add machine controls */ 971 int (*init)(struct snd_soc_component *component); 972 }; 973 974 /* SoC card */ 975 struct snd_soc_card { 976 const char *name; 977 const char *long_name; 978 const char *driver_name; 979 const char *components; 980 981 #ifdef CONFIG_PCI 982 /* 983 * PCI does not define 0 as invalid, so pci_subsystem_set indicates 984 * whether a value has been written to these fields. 985 */ 986 unsigned short pci_subsystem_vendor; 987 unsigned short pci_subsystem_device; 988 bool pci_subsystem_set; 989 #endif /* CONFIG_PCI */ 990 991 char *topology_shortname; 992 993 struct device *dev; 994 struct snd_card *snd_card; 995 struct module *owner; 996 997 struct mutex mutex; 998 struct mutex dapm_mutex; 999 1000 /* Mutex for PCM operations */ 1001 struct mutex pcm_mutex; 1002 1003 int (*probe)(struct snd_soc_card *card); 1004 int (*late_probe)(struct snd_soc_card *card); 1005 void (*fixup_controls)(struct snd_soc_card *card); 1006 int (*remove)(struct snd_soc_card *card); 1007 1008 /* the pre and post PM functions are used to do any PM work before and 1009 * after the codec and DAI's do any PM work. */ 1010 int (*suspend_pre)(struct snd_soc_card *card); 1011 int (*suspend_post)(struct snd_soc_card *card); 1012 int (*resume_pre)(struct snd_soc_card *card); 1013 int (*resume_post)(struct snd_soc_card *card); 1014 1015 /* callbacks */ 1016 int (*set_bias_level)(struct snd_soc_card *, 1017 struct snd_soc_dapm_context *dapm, 1018 enum snd_soc_bias_level level); 1019 int (*set_bias_level_post)(struct snd_soc_card *, 1020 struct snd_soc_dapm_context *dapm, 1021 enum snd_soc_bias_level level); 1022 1023 int (*add_dai_link)(struct snd_soc_card *, 1024 struct snd_soc_dai_link *link); 1025 void (*remove_dai_link)(struct snd_soc_card *, 1026 struct snd_soc_dai_link *link); 1027 1028 /* CPU <--> Codec DAI links */ 1029 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1030 int num_links; /* predefined links only */ 1031 1032 struct list_head rtd_list; 1033 int num_rtd; 1034 1035 /* optional codec specific configuration */ 1036 struct snd_soc_codec_conf *codec_conf; 1037 int num_configs; 1038 1039 /* 1040 * optional auxiliary devices such as amplifiers or codecs with DAI 1041 * link unused 1042 */ 1043 struct snd_soc_aux_dev *aux_dev; 1044 int num_aux_devs; 1045 struct list_head aux_comp_list; 1046 1047 const struct snd_kcontrol_new *controls; 1048 int num_controls; 1049 1050 /* 1051 * Card-specific routes and widgets. 1052 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1053 */ 1054 const struct snd_soc_dapm_widget *dapm_widgets; 1055 int num_dapm_widgets; 1056 const struct snd_soc_dapm_route *dapm_routes; 1057 int num_dapm_routes; 1058 const char **ignore_suspend_widgets; 1059 int num_ignore_suspend_widgets; 1060 const struct snd_soc_dapm_widget *of_dapm_widgets; 1061 int num_of_dapm_widgets; 1062 const struct snd_soc_dapm_route *of_dapm_routes; 1063 int num_of_dapm_routes; 1064 const char **of_ignore_suspend_widgets; 1065 int num_of_ignore_suspend_widgets; 1066 1067 /* lists of probed devices belonging to this card */ 1068 struct list_head component_dev_list; 1069 struct list_head list; 1070 1071 struct list_head widgets; 1072 struct list_head paths; 1073 struct list_head dapm_list; 1074 struct list_head dapm_dirty; 1075 1076 /* Generic DAPM context for the card */ 1077 struct snd_soc_dapm_context *dapm; 1078 struct snd_soc_dapm_stats dapm_stats; 1079 1080 #ifdef CONFIG_DEBUG_FS 1081 struct dentry *debugfs_card_root; 1082 #endif 1083 #ifdef CONFIG_PM_SLEEP 1084 struct work_struct deferred_resume_work; 1085 #endif 1086 /* bit field */ 1087 unsigned int instantiated:1; 1088 unsigned int fully_routed:1; 1089 unsigned int probed:1; 1090 unsigned int component_chaining:1; 1091 struct device *devres_dev; 1092 1093 void *drvdata; 1094 }; 1095 #define for_each_card_prelinks(card, i, link) \ 1096 for ((i) = 0; \ 1097 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 1098 (i)++) 1099 #define for_each_card_pre_auxs(card, i, aux) \ 1100 for ((i) = 0; \ 1101 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \ 1102 (i)++) 1103 1104 #define for_each_card_rtds(card, rtd) \ 1105 list_for_each_entry(rtd, &(card)->rtd_list, list) 1106 #define for_each_card_rtds_safe(card, rtd, _rtd) \ 1107 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1108 1109 #define for_each_card_auxs(card, component) \ 1110 list_for_each_entry(component, &card->aux_comp_list, card_aux_list) 1111 #define for_each_card_auxs_safe(card, component, _comp) \ 1112 list_for_each_entry_safe(component, _comp, \ 1113 &card->aux_comp_list, card_aux_list) 1114 1115 #define for_each_card_components(card, component) \ 1116 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1117 1118 #define for_each_card_dapms(card, dapm) \ 1119 list_for_each_entry(dapm, &card->dapm_list, list) 1120 1121 #define for_each_card_widgets(card, w)\ 1122 list_for_each_entry(w, &card->widgets, list) 1123 #define for_each_card_widgets_safe(card, w, _w) \ 1124 list_for_each_entry_safe(w, _w, &card->widgets, list) 1125 1126 1127 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card) 1128 { 1129 return card && card->instantiated; 1130 } 1131 1132 static inline struct snd_soc_dapm_context *snd_soc_card_to_dapm(struct snd_soc_card *card) 1133 { 1134 return card->dapm; 1135 } 1136 1137 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1138 struct snd_soc_pcm_runtime { 1139 struct device *dev; 1140 struct snd_soc_card *card; 1141 struct snd_soc_dai_link *dai_link; 1142 struct snd_pcm_ops ops; 1143 1144 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */ 1145 1146 /* Dynamic PCM BE runtime data */ 1147 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1]; 1148 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1]; 1149 1150 long pmdown_time; 1151 1152 /* runtime devices */ 1153 struct snd_pcm *pcm; 1154 struct snd_compr *compr; 1155 1156 /* 1157 * dais = cpu_dai + codec_dai 1158 * see 1159 * soc_new_pcm_runtime() 1160 * snd_soc_rtd_to_cpu() 1161 * snd_soc_rtd_to_codec() 1162 */ 1163 struct snd_soc_dai **dais; 1164 1165 struct delayed_work delayed_work; 1166 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd); 1167 #ifdef CONFIG_DEBUG_FS 1168 struct dentry *debugfs_dpcm_root; 1169 #endif 1170 1171 unsigned int id; /* 0-based and monotonic increasing */ 1172 struct list_head list; /* rtd list of the soc card */ 1173 1174 /* function mark */ 1175 struct snd_pcm_substream *mark_startup; 1176 struct snd_pcm_substream *mark_hw_params; 1177 struct snd_pcm_substream *mark_trigger; 1178 struct snd_compr_stream *mark_compr_startup; 1179 1180 /* bit field */ 1181 unsigned int pop_wait:1; 1182 unsigned int fe_compr:1; /* for Dynamic PCM */ 1183 unsigned int initialized:1; 1184 1185 /* CPU/Codec/Platform */ 1186 int num_components; 1187 struct snd_soc_component *components[] __counted_by(num_components); 1188 }; 1189 1190 /* see soc_new_pcm_runtime() */ 1191 #define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n] 1192 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus] 1193 1194 static inline struct snd_soc_pcm_runtime * 1195 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream) 1196 { 1197 return snd_pcm_substream_chip(substream); 1198 } 1199 1200 #define for_each_rtd_components(rtd, i, component) \ 1201 for ((i) = 0, component = NULL; \ 1202 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\ 1203 (i)++) 1204 #define for_each_rtd_cpu_dais(rtd, i, dai) \ 1205 for ((i) = 0; \ 1206 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \ 1207 (i)++) 1208 #define for_each_rtd_codec_dais(rtd, i, dai) \ 1209 for ((i) = 0; \ 1210 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \ 1211 (i)++) 1212 #define for_each_rtd_dais(rtd, i, dai) \ 1213 for ((i) = 0; \ 1214 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \ 1215 ((dai) = (rtd)->dais[i]); \ 1216 (i)++) 1217 #define for_each_rtd_dais_reverse(rtd, i, dai) \ 1218 for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \ 1219 (i) >= 0 && ((dai) = (rtd)->dais[i]); \ 1220 (i)--) 1221 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps) 1222 1223 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); 1224 1225 /* mixer control */ 1226 struct soc_mixer_control { 1227 /* Minimum and maximum specified as written to the hardware */ 1228 int min, max; 1229 /* Limited maximum value specified as presented through the control */ 1230 int platform_max; 1231 int reg, rreg; 1232 unsigned int shift, rshift; 1233 u32 num_channels; 1234 unsigned int sign_bit; 1235 unsigned int invert:1; 1236 unsigned int autodisable:1; 1237 #ifdef CONFIG_SND_SOC_TOPOLOGY 1238 struct snd_soc_dobj dobj; 1239 #endif 1240 }; 1241 1242 struct soc_bytes { 1243 int base; 1244 int num_regs; 1245 u32 mask; 1246 }; 1247 1248 struct soc_bytes_ext { 1249 int max; 1250 #ifdef CONFIG_SND_SOC_TOPOLOGY 1251 struct snd_soc_dobj dobj; 1252 #endif 1253 /* used for TLV byte control */ 1254 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1255 unsigned int size); 1256 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1257 unsigned int size); 1258 }; 1259 1260 /* multi register control */ 1261 struct soc_mreg_control { 1262 long min, max; 1263 unsigned int regbase, regcount, nbits, invert; 1264 }; 1265 1266 /* enumerated kcontrol */ 1267 struct soc_enum { 1268 int reg; 1269 unsigned char shift_l; 1270 unsigned char shift_r; 1271 unsigned int items; 1272 unsigned int mask; 1273 const char * const *texts; 1274 const unsigned int *values; 1275 unsigned int autodisable:1; 1276 #ifdef CONFIG_SND_SOC_TOPOLOGY 1277 struct snd_soc_dobj dobj; 1278 #endif 1279 }; 1280 1281 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc) 1282 { 1283 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1284 return false; 1285 /* 1286 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1287 * mc->reg != mc->rreg means that the control is 1288 * stereo (bits in one register or in two registers) 1289 */ 1290 return true; 1291 } 1292 1293 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e, 1294 unsigned int val) 1295 { 1296 unsigned int i; 1297 1298 if (!e->values) 1299 return val; 1300 1301 for (i = 0; i < e->items; i++) 1302 if (val == e->values[i]) 1303 return i; 1304 1305 return 0; 1306 } 1307 1308 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e, 1309 unsigned int item) 1310 { 1311 if (!e->values) 1312 return item; 1313 1314 return e->values[item]; 1315 } 1316 1317 int snd_soc_util_init(void); 1318 void snd_soc_util_exit(void); 1319 1320 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1321 const char *propname); 1322 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1323 const char *propname); 1324 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop); 1325 int snd_soc_of_get_slot_mask(struct device_node *np, 1326 const char *prop_name, 1327 unsigned int *mask); 1328 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1329 unsigned int *tx_mask, 1330 unsigned int *rx_mask, 1331 unsigned int *slots, 1332 unsigned int *slot_width); 1333 void snd_soc_of_parse_node_prefix(struct device_node *np, 1334 struct snd_soc_codec_conf *codec_conf, 1335 struct device_node *of_node, 1336 const char *propname); 1337 1338 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1339 const char *propname); 1340 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); 1341 int snd_soc_of_parse_ignore_suspend_widgets(struct snd_soc_card *card, const char *propname); 1342 1343 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt); 1344 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); 1345 1346 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); 1347 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, 1348 const char *prefix, 1349 struct device_node **bitclkmaster, 1350 struct device_node **framemaster); 1351 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \ 1352 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL) 1353 #define snd_soc_daifmt_parse_clock_provider_as_phandle \ 1354 snd_soc_daifmt_parse_clock_provider_raw 1355 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \ 1356 snd_soc_daifmt_clock_provider_from_bitmap( \ 1357 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) 1358 1359 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream); 1360 int snd_soc_get_dlc(const struct of_phandle_args *args, 1361 struct snd_soc_dai_link_component *dlc); 1362 int snd_soc_of_get_dlc(struct device_node *of_node, 1363 struct of_phandle_args *args, 1364 struct snd_soc_dai_link_component *dlc, 1365 int index); 1366 int snd_soc_get_dai_id(struct device_node *ep); 1367 int snd_soc_get_dai_name(const struct of_phandle_args *args, 1368 const char **dai_name); 1369 int snd_soc_of_get_dai_name(struct device_node *of_node, 1370 const char **dai_name, int index); 1371 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1372 struct device_node *of_node, 1373 struct snd_soc_dai_link *dai_link); 1374 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1375 int snd_soc_of_get_dai_link_cpus(struct device *dev, 1376 struct device_node *of_node, 1377 struct snd_soc_dai_link *dai_link); 1378 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link); 1379 1380 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card, 1381 struct snd_soc_dai_link *dai_link, 1382 int num_dai_link); 1383 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, 1384 struct snd_soc_pcm_runtime *rtd); 1385 1386 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, 1387 struct snd_soc_dai_link_component *cpus); 1388 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, 1389 const struct of_phandle_args *args); 1390 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args); 1391 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, 1392 struct snd_soc_dai_driver *dai_drv, 1393 bool legacy_dai_naming); 1394 void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1395 1396 struct snd_soc_dai *snd_soc_find_dai( 1397 const struct snd_soc_dai_link_component *dlc); 1398 struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1399 const struct snd_soc_dai_link_component *dlc); 1400 1401 void soc_pcm_set_dai_params(struct snd_soc_dai *dai, 1402 struct snd_pcm_hw_params *params); 1403 1404 #include <sound/soc-dai.h> 1405 1406 static inline 1407 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1408 const char *platform_name) 1409 { 1410 struct snd_soc_dai_link *dai_link; 1411 const char *name; 1412 int i; 1413 1414 if (!platform_name) /* nothing to do */ 1415 return 0; 1416 1417 /* set platform name for each dailink */ 1418 for_each_card_prelinks(card, i, dai_link) { 1419 /* only single platform is supported for now */ 1420 if (dai_link->num_platforms != 1) 1421 return -EINVAL; 1422 1423 if (!dai_link->platforms) 1424 return -EINVAL; 1425 1426 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1427 if (!name) 1428 return -ENOMEM; 1429 1430 /* only single platform is supported for now */ 1431 dai_link->platforms->name = name; 1432 } 1433 1434 return 0; 1435 } 1436 1437 #ifdef CONFIG_DEBUG_FS 1438 extern struct dentry *snd_soc_debugfs_root; 1439 #endif 1440 1441 extern const struct dev_pm_ops snd_soc_pm_ops; 1442 1443 /* 1444 * DAPM helper functions 1445 */ 1446 enum snd_soc_dapm_subclass { 1447 SND_SOC_DAPM_CLASS_ROOT = 0, 1448 SND_SOC_DAPM_CLASS_RUNTIME = 1, 1449 }; 1450 1451 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) 1452 { 1453 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); 1454 } 1455 1456 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) 1457 { 1458 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1459 } 1460 1461 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) 1462 { 1463 mutex_unlock(&card->dapm_mutex); 1464 } 1465 1466 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) 1467 { 1468 lockdep_assert_held(&card->dapm_mutex); 1469 } 1470 1471 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) 1472 { 1473 _snd_soc_dapm_mutex_lock_root_c(snd_soc_dapm_to_card(dapm)); 1474 } 1475 1476 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) 1477 { 1478 _snd_soc_dapm_mutex_lock_c(snd_soc_dapm_to_card(dapm)); 1479 } 1480 1481 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) 1482 { 1483 _snd_soc_dapm_mutex_unlock_c(snd_soc_dapm_to_card(dapm)); 1484 } 1485 1486 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) 1487 { 1488 _snd_soc_dapm_mutex_assert_held_c(snd_soc_dapm_to_card(dapm)); 1489 } 1490 1491 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ 1492 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ 1493 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) 1494 #define snd_soc_dapm_mutex_lock(x) _Generic((x), \ 1495 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ 1496 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) 1497 #define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ 1498 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ 1499 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) 1500 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ 1501 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ 1502 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) 1503 1504 /* 1505 * PCM helper functions 1506 */ 1507 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) 1508 { 1509 mutex_lock(&card->pcm_mutex); 1510 } 1511 1512 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) 1513 { 1514 mutex_unlock(&card->pcm_mutex); 1515 } 1516 1517 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) 1518 { 1519 lockdep_assert_held(&card->pcm_mutex); 1520 } 1521 1522 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) 1523 { 1524 _snd_soc_dpcm_mutex_lock_c(rtd->card); 1525 } 1526 1527 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) 1528 { 1529 _snd_soc_dpcm_mutex_unlock_c(rtd->card); 1530 } 1531 1532 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) 1533 { 1534 _snd_soc_dpcm_mutex_assert_held_c(rtd->card); 1535 } 1536 1537 #define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ 1538 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ 1539 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) 1540 1541 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ 1542 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ 1543 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) 1544 1545 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ 1546 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ 1547 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) 1548 1549 #include <sound/soc-component.h> 1550 #include <sound/soc-card.h> 1551 #include <sound/soc-jack.h> 1552 1553 #endif 1554