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 int devm_snd_soc_register_deferrable_card(struct device *dev, struct snd_soc_card *card); 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_component_initialize(struct snd_soc_component *component, 451 const struct snd_soc_component_driver *driver, 452 struct device *dev); 453 int snd_soc_add_component(struct snd_soc_component *component, 454 struct snd_soc_dai_driver *dai_drv, 455 int num_dai); 456 int snd_soc_register_component(struct device *dev, 457 const struct snd_soc_component_driver *component_driver, 458 struct snd_soc_dai_driver *dai_drv, int num_dai); 459 int devm_snd_soc_register_component(struct device *dev, 460 const struct snd_soc_component_driver *component_driver, 461 struct snd_soc_dai_driver *dai_drv, int num_dai); 462 #define snd_soc_unregister_component(dev) snd_soc_unregister_component_by_driver(dev, NULL) 463 void snd_soc_unregister_component_by_driver(struct device *dev, 464 const struct snd_soc_component_driver *component_driver); 465 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, 466 const char *driver_name); 467 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 468 const char *driver_name); 469 struct snd_soc_component *snd_soc_lookup_component_by_name(const char *component_name); 470 471 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd); 472 #ifdef CONFIG_SND_SOC_COMPRESS 473 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd); 474 #else 475 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd) 476 { 477 return 0; 478 } 479 #endif 480 481 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 482 struct snd_soc_dai_link *dai_link); 483 484 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 485 486 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd, 487 int stream, int action); 488 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, 489 int stream) 490 { 491 snd_soc_runtime_action(rtd, stream, 1); 492 } 493 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, 494 int stream) 495 { 496 snd_soc_runtime_action(rtd, stream, -1); 497 } 498 499 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, 500 struct snd_pcm_hardware *hw, int stream); 501 502 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 503 unsigned int dai_fmt); 504 505 /* Utility functions to get clock rates from various things */ 506 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 507 int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params); 508 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 509 int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms); 510 int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params, 511 int tdm_width, int tdm_slots, int slot_multiple); 512 int snd_soc_ret(const struct device *dev, int ret, const char *fmt, ...); 513 514 /* set runtime hw params */ 515 static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 516 const struct snd_pcm_hardware *hw) 517 { 518 substream->runtime->hw = *hw; 519 520 return 0; 521 } 522 523 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 524 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 525 unsigned int id, unsigned int id_mask); 526 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 527 528 #ifdef CONFIG_SND_SOC_AC97_BUS 529 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 530 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 531 struct platform_device *pdev); 532 533 extern struct snd_ac97_bus_ops *soc_ac97_ops; 534 #else 535 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 536 struct platform_device *pdev) 537 { 538 return 0; 539 } 540 541 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 542 { 543 return 0; 544 } 545 #endif 546 547 /* 548 *Controls 549 */ 550 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 551 void *data, const char *long_name, 552 const char *prefix); 553 int snd_soc_add_component_controls(struct snd_soc_component *component, 554 const struct snd_kcontrol_new *controls, unsigned int num_controls); 555 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 556 const struct snd_kcontrol_new *controls, int num_controls); 557 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 558 const struct snd_kcontrol_new *controls, int num_controls); 559 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 560 struct snd_ctl_elem_info *uinfo); 561 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 562 struct snd_ctl_elem_value *ucontrol); 563 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 564 struct snd_ctl_elem_value *ucontrol); 565 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 566 struct snd_ctl_elem_info *uinfo); 567 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 568 struct snd_ctl_elem_info *uinfo); 569 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 570 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 571 struct snd_ctl_elem_value *ucontrol); 572 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 573 struct snd_ctl_elem_value *ucontrol); 574 #define snd_soc_get_volsw_2r snd_soc_get_volsw 575 #define snd_soc_put_volsw_2r snd_soc_put_volsw 576 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 577 struct snd_ctl_elem_value *ucontrol); 578 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 579 struct snd_ctl_elem_value *ucontrol); 580 int snd_soc_limit_volume(struct snd_soc_card *card, 581 const char *name, int max); 582 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 583 struct snd_ctl_elem_info *uinfo); 584 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 585 struct snd_ctl_elem_value *ucontrol); 586 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 587 struct snd_ctl_elem_value *ucontrol); 588 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 589 struct snd_ctl_elem_info *ucontrol); 590 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 591 unsigned int size, unsigned int __user *tlv); 592 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 593 struct snd_ctl_elem_info *uinfo); 594 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 595 struct snd_ctl_elem_value *ucontrol); 596 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 597 struct snd_ctl_elem_value *ucontrol); 598 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 599 struct snd_ctl_elem_value *ucontrol); 600 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 601 struct snd_ctl_elem_value *ucontrol); 602 603 enum snd_soc_trigger_order { 604 /* start stop */ 605 SND_SOC_TRIGGER_ORDER_DEFAULT = 0, /* Link->Component->DAI DAI->Component->Link */ 606 SND_SOC_TRIGGER_ORDER_LDC, /* Link->DAI->Component Component->DAI->Link */ 607 608 SND_SOC_TRIGGER_ORDER_MAX, 609 }; 610 611 /* SoC PCM stream information */ 612 struct snd_soc_pcm_stream { 613 const char *stream_name; 614 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 615 u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */ 616 unsigned int rates; /* SNDRV_PCM_RATE_* */ 617 unsigned int rate_min; /* min rate */ 618 unsigned int rate_max; /* max rate */ 619 unsigned int channels_min; /* min channels */ 620 unsigned int channels_max; /* max channels */ 621 unsigned int sig_bits; /* number of bits of content */ 622 }; 623 624 /* SoC audio ops */ 625 struct snd_soc_ops { 626 int (*startup)(struct snd_pcm_substream *); 627 void (*shutdown)(struct snd_pcm_substream *); 628 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 629 int (*hw_free)(struct snd_pcm_substream *); 630 int (*prepare)(struct snd_pcm_substream *); 631 int (*trigger)(struct snd_pcm_substream *, int); 632 }; 633 634 struct snd_soc_compr_ops { 635 int (*startup)(struct snd_compr_stream *); 636 void (*shutdown)(struct snd_compr_stream *); 637 int (*set_params)(struct snd_compr_stream *); 638 }; 639 640 struct snd_soc_component* 641 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 642 const char *driver_name); 643 644 struct snd_soc_dai_link_component { 645 const char *name; 646 struct device_node *of_node; 647 const char *dai_name; 648 const struct of_phandle_args *dai_args; 649 650 /* 651 * Extra format = SND_SOC_DAIFMT_Bx_Fx 652 * 653 * [Note] it is Bx_Fx base, not CBx_CFx 654 * 655 * It will be used with dai_link->dai_fmt 656 * see 657 * snd_soc_runtime_set_dai_fmt() 658 */ 659 unsigned int ext_fmt; 660 }; 661 662 /* 663 * [dai_link->ch_maps Image sample] 664 * 665 *------------------------- 666 * CPU0 <---> Codec0 667 * 668 * ch-map[0].cpu = 0 ch-map[0].codec = 0 669 * 670 *------------------------- 671 * CPU0 <---> Codec0 672 * CPU1 <---> Codec1 673 * CPU2 <---> Codec2 674 * 675 * ch-map[0].cpu = 0 ch-map[0].codec = 0 676 * ch-map[1].cpu = 1 ch-map[1].codec = 1 677 * ch-map[2].cpu = 2 ch-map[2].codec = 2 678 * 679 *------------------------- 680 * CPU0 <---> Codec0 681 * CPU1 <-+-> Codec1 682 * CPU2 <-/ 683 * 684 * ch-map[0].cpu = 0 ch-map[0].codec = 0 685 * ch-map[1].cpu = 1 ch-map[1].codec = 1 686 * ch-map[2].cpu = 2 ch-map[2].codec = 1 687 * 688 *------------------------- 689 * CPU0 <---> Codec0 690 * CPU1 <-+-> Codec1 691 * \-> Codec2 692 * 693 * ch-map[0].cpu = 0 ch-map[0].codec = 0 694 * ch-map[1].cpu = 1 ch-map[1].codec = 1 695 * ch-map[2].cpu = 1 ch-map[2].codec = 2 696 * 697 */ 698 struct snd_soc_dai_link_ch_map { 699 unsigned int cpu; 700 unsigned int codec; 701 unsigned int ch_mask; 702 }; 703 704 struct snd_soc_dai_link { 705 /* config - must be set by machine driver */ 706 const char *name; /* Codec name */ 707 const char *stream_name; /* Stream name */ 708 709 /* 710 * You MAY specify the link's CPU-side device, either by device name, 711 * or by DT/OF node, but not both. If this information is omitted, 712 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 713 * must be globally unique. These fields are currently typically used 714 * only for codec to codec links, or systems using device tree. 715 */ 716 /* 717 * You MAY specify the DAI name of the CPU DAI. If this information is 718 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 719 * only, which only works well when that device exposes a single DAI. 720 */ 721 struct snd_soc_dai_link_component *cpus; 722 unsigned int num_cpus; 723 724 /* 725 * You MUST specify the link's codec, either by device name, or by 726 * DT/OF node, but not both. 727 */ 728 /* You MUST specify the DAI name within the codec */ 729 struct snd_soc_dai_link_component *codecs; 730 unsigned int num_codecs; 731 732 /* num_ch_maps = max(num_cpu, num_codecs) */ 733 struct snd_soc_dai_link_ch_map *ch_maps; 734 735 /* 736 * You MAY specify the link's platform/PCM/DMA driver, either by 737 * device name, or by DT/OF node, but not both. Some forms of link 738 * do not need a platform. In such case, platforms are not mandatory. 739 */ 740 struct snd_soc_dai_link_component *platforms; 741 unsigned int num_platforms; 742 743 int id; /* optional ID for machine driver link identification */ 744 745 /* 746 * for Codec2Codec 747 */ 748 const struct snd_soc_pcm_stream *c2c_params; 749 unsigned int num_c2c_params; 750 751 unsigned int dai_fmt; /* format to set on init */ 752 753 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 754 755 /* codec/machine specific init - e.g. add machine controls */ 756 int (*init)(struct snd_soc_pcm_runtime *rtd); 757 758 /* codec/machine specific exit - dual of init() */ 759 void (*exit)(struct snd_soc_pcm_runtime *rtd); 760 761 /* optional hw_params re-writing for BE and FE sync */ 762 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 763 struct snd_pcm_hw_params *params); 764 765 /* machine stream operations */ 766 const struct snd_soc_ops *ops; 767 const struct snd_soc_compr_ops *compr_ops; 768 769 /* 770 * soc_pcm_trigger() start/stop sequence. 771 * see also 772 * snd_soc_component_driver 773 * soc_pcm_trigger() 774 */ 775 enum snd_soc_trigger_order trigger_start; 776 enum snd_soc_trigger_order trigger_stop; 777 778 /* Mark this pcm with non atomic ops */ 779 unsigned int nonatomic:1; 780 781 /* For unidirectional dai links */ 782 unsigned int playback_only:1; 783 unsigned int capture_only:1; 784 785 /* Keep DAI active over suspend */ 786 unsigned int ignore_suspend:1; 787 788 /* Symmetry requirements */ 789 unsigned int symmetric_rate:1; 790 unsigned int symmetric_channels:1; 791 unsigned int symmetric_sample_bits:1; 792 793 /* Do not create a PCM for this DAI link (Backend link) */ 794 unsigned int no_pcm:1; 795 796 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 797 unsigned int dynamic:1; 798 799 /* DPCM used FE & BE merged format */ 800 unsigned int dpcm_merged_format:1; 801 /* DPCM used FE & BE merged channel */ 802 unsigned int dpcm_merged_chan:1; 803 /* DPCM used FE & BE merged rate */ 804 unsigned int dpcm_merged_rate:1; 805 806 /* pmdown_time is ignored at stop */ 807 unsigned int ignore_pmdown_time:1; 808 809 /* Do not create a PCM for this DAI link (Backend link) */ 810 unsigned int ignore:1; 811 812 #ifdef CONFIG_SND_SOC_TOPOLOGY 813 struct snd_soc_dobj dobj; /* For topology */ 814 #endif 815 }; 816 817 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link) 818 { 819 return max(link->num_cpus, link->num_codecs); 820 } 821 822 static inline struct snd_soc_dai_link_component* 823 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) { 824 return &(link)->cpus[n]; 825 } 826 827 static inline struct snd_soc_dai_link_component* 828 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) { 829 return &(link)->codecs[n]; 830 } 831 832 static inline struct snd_soc_dai_link_component* 833 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { 834 return &(link)->platforms[n]; 835 } 836 837 #define for_each_link_codecs(link, i, codec) \ 838 for ((i) = 0; \ 839 ((i) < link->num_codecs) && \ 840 ((codec) = snd_soc_link_to_codec(link, i)); \ 841 (i)++) 842 843 #define for_each_link_platforms(link, i, platform) \ 844 for ((i) = 0; \ 845 ((i) < link->num_platforms) && \ 846 ((platform) = snd_soc_link_to_platform(link, i)); \ 847 (i)++) 848 849 #define for_each_link_cpus(link, i, cpu) \ 850 for ((i) = 0; \ 851 ((i) < link->num_cpus) && \ 852 ((cpu) = snd_soc_link_to_cpu(link, i)); \ 853 (i)++) 854 855 #define for_each_link_ch_maps(link, i, ch_map) \ 856 for ((i) = 0; \ 857 ((i) < snd_soc_link_num_ch_map(link) && \ 858 ((ch_map) = link->ch_maps + i)); \ 859 (i)++) 860 861 /* 862 * Sample 1 : Single CPU/Codec/Platform 863 * 864 * SND_SOC_DAILINK_DEFS(test, 865 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 866 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 867 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 868 * 869 * struct snd_soc_dai_link link = { 870 * ... 871 * SND_SOC_DAILINK_REG(test), 872 * }; 873 * 874 * Sample 2 : Multi CPU/Codec, no Platform 875 * 876 * SND_SOC_DAILINK_DEFS(test, 877 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 878 * COMP_CPU("cpu_dai2")), 879 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 880 * COMP_CODEC("codec2", "codec_dai2"))); 881 * 882 * struct snd_soc_dai_link link = { 883 * ... 884 * SND_SOC_DAILINK_REG(test), 885 * }; 886 * 887 * Sample 3 : Define each CPU/Codec/Platform manually 888 * 889 * SND_SOC_DAILINK_DEF(test_cpu, 890 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 891 * COMP_CPU("cpu_dai2"))); 892 * SND_SOC_DAILINK_DEF(test_codec, 893 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 894 * COMP_CODEC("codec2", "codec_dai2"))); 895 * SND_SOC_DAILINK_DEF(test_platform, 896 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 897 * 898 * struct snd_soc_dai_link link = { 899 * ... 900 * SND_SOC_DAILINK_REG(test_cpu, 901 * test_codec, 902 * test_platform), 903 * }; 904 * 905 * Sample 4 : Sample3 without platform 906 * 907 * struct snd_soc_dai_link link = { 908 * ... 909 * SND_SOC_DAILINK_REG(test_cpu, 910 * test_codec); 911 * }; 912 */ 913 914 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 915 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 916 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 917 .cpus = cpu, \ 918 .num_cpus = ARRAY_SIZE(cpu), \ 919 .codecs = codec, \ 920 .num_codecs = ARRAY_SIZE(codec), \ 921 .platforms = platform, \ 922 .num_platforms = ARRAY_SIZE(platform) 923 924 #define SND_SOC_DAILINK_REG(...) \ 925 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__) 926 927 #define SND_SOC_DAILINK_DEF(name, def...) \ 928 static struct snd_soc_dai_link_component name[] = { def } 929 930 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 931 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 932 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 933 SND_SOC_DAILINK_DEF(name##_platforms, platform) 934 935 #define DAILINK_COMP_ARRAY(param...) param 936 #define COMP_EMPTY() { } 937 #define COMP_CPU(_dai) { .dai_name = _dai, } 938 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 939 #define COMP_PLATFORM(_name) { .name = _name } 940 #define COMP_AUX(_name) { .name = _name } 941 #define COMP_CODEC_CONF(_name) { .name = _name } 942 #define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */ 943 944 extern struct snd_soc_dai_link_component null_dailink_component[0]; 945 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; 946 int snd_soc_dlc_is_dummy(struct snd_soc_dai_link_component *dlc); 947 948 struct snd_soc_codec_conf { 949 /* 950 * specify device either by device name, or by 951 * DT/OF node, but not both. 952 */ 953 struct snd_soc_dai_link_component dlc; 954 955 /* 956 * optional map of kcontrol, widget and path name prefixes that are 957 * associated per device 958 */ 959 const char *name_prefix; 960 }; 961 962 struct snd_soc_aux_dev { 963 /* 964 * specify multi-codec either by device name, or by 965 * DT/OF node, but not both. 966 */ 967 struct snd_soc_dai_link_component dlc; 968 969 /* codec/machine specific init - e.g. add machine controls */ 970 int (*init)(struct snd_soc_component *component); 971 }; 972 973 /* SoC card */ 974 struct snd_soc_card { 975 const char *name; 976 const char *long_name; 977 const char *driver_name; 978 const char *components; 979 #ifdef CONFIG_DMI 980 char dmi_longname[80]; 981 #endif /* CONFIG_DMI */ 982 983 #ifdef CONFIG_PCI 984 /* 985 * PCI does not define 0 as invalid, so pci_subsystem_set indicates 986 * whether a value has been written to these fields. 987 */ 988 unsigned short pci_subsystem_vendor; 989 unsigned short pci_subsystem_device; 990 bool pci_subsystem_set; 991 #endif /* CONFIG_PCI */ 992 993 char topology_shortname[32]; 994 995 struct device *dev; 996 struct snd_card *snd_card; 997 struct module *owner; 998 999 struct mutex mutex; 1000 struct mutex dapm_mutex; 1001 1002 /* Mutex for PCM operations */ 1003 struct mutex pcm_mutex; 1004 1005 int (*probe)(struct snd_soc_card *card); 1006 int (*late_probe)(struct snd_soc_card *card); 1007 void (*fixup_controls)(struct snd_soc_card *card); 1008 int (*remove)(struct snd_soc_card *card); 1009 1010 /* the pre and post PM functions are used to do any PM work before and 1011 * after the codec and DAI's do any PM work. */ 1012 int (*suspend_pre)(struct snd_soc_card *card); 1013 int (*suspend_post)(struct snd_soc_card *card); 1014 int (*resume_pre)(struct snd_soc_card *card); 1015 int (*resume_post)(struct snd_soc_card *card); 1016 1017 /* callbacks */ 1018 int (*set_bias_level)(struct snd_soc_card *, 1019 struct snd_soc_dapm_context *dapm, 1020 enum snd_soc_bias_level level); 1021 int (*set_bias_level_post)(struct snd_soc_card *, 1022 struct snd_soc_dapm_context *dapm, 1023 enum snd_soc_bias_level level); 1024 1025 int (*add_dai_link)(struct snd_soc_card *, 1026 struct snd_soc_dai_link *link); 1027 void (*remove_dai_link)(struct snd_soc_card *, 1028 struct snd_soc_dai_link *link); 1029 1030 long pmdown_time; 1031 1032 /* CPU <--> Codec DAI links */ 1033 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1034 int num_links; /* predefined links only */ 1035 1036 struct list_head rtd_list; 1037 int num_rtd; 1038 1039 /* optional codec specific configuration */ 1040 struct snd_soc_codec_conf *codec_conf; 1041 int num_configs; 1042 1043 /* 1044 * optional auxiliary devices such as amplifiers or codecs with DAI 1045 * link unused 1046 */ 1047 struct snd_soc_aux_dev *aux_dev; 1048 int num_aux_devs; 1049 struct list_head aux_comp_list; 1050 1051 const struct snd_kcontrol_new *controls; 1052 int num_controls; 1053 1054 /* 1055 * Card-specific routes and widgets. 1056 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1057 */ 1058 const struct snd_soc_dapm_widget *dapm_widgets; 1059 int num_dapm_widgets; 1060 const struct snd_soc_dapm_route *dapm_routes; 1061 int num_dapm_routes; 1062 const struct snd_soc_dapm_widget *of_dapm_widgets; 1063 int num_of_dapm_widgets; 1064 const struct snd_soc_dapm_route *of_dapm_routes; 1065 int num_of_dapm_routes; 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 u32 pop_time; 1087 1088 /* bit field */ 1089 unsigned int instantiated:1; 1090 unsigned int topology_shortname_created:1; 1091 unsigned int fully_routed:1; 1092 unsigned int probed:1; 1093 unsigned int component_chaining:1; 1094 struct device *devres_dev; 1095 1096 void *drvdata; 1097 }; 1098 #define for_each_card_prelinks(card, i, link) \ 1099 for ((i) = 0; \ 1100 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 1101 (i)++) 1102 #define for_each_card_pre_auxs(card, i, aux) \ 1103 for ((i) = 0; \ 1104 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \ 1105 (i)++) 1106 1107 #define for_each_card_rtds(card, rtd) \ 1108 list_for_each_entry(rtd, &(card)->rtd_list, list) 1109 #define for_each_card_rtds_safe(card, rtd, _rtd) \ 1110 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1111 1112 #define for_each_card_auxs(card, component) \ 1113 list_for_each_entry(component, &card->aux_comp_list, card_aux_list) 1114 #define for_each_card_auxs_safe(card, component, _comp) \ 1115 list_for_each_entry_safe(component, _comp, \ 1116 &card->aux_comp_list, card_aux_list) 1117 1118 #define for_each_card_components(card, component) \ 1119 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1120 1121 #define for_each_card_dapms(card, dapm) \ 1122 list_for_each_entry(dapm, &card->dapm_list, list) 1123 1124 #define for_each_card_widgets(card, w)\ 1125 list_for_each_entry(w, &card->widgets, list) 1126 #define for_each_card_widgets_safe(card, w, _w) \ 1127 list_for_each_entry_safe(w, _w, &card->widgets, list) 1128 1129 1130 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card) 1131 { 1132 return card && card->instantiated; 1133 } 1134 1135 static inline struct snd_soc_dapm_context *snd_soc_card_to_dapm(struct snd_soc_card *card) 1136 { 1137 return card->dapm; 1138 } 1139 1140 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1141 struct snd_soc_pcm_runtime { 1142 struct device *dev; 1143 struct snd_soc_card *card; 1144 struct snd_soc_dai_link *dai_link; 1145 struct snd_pcm_ops ops; 1146 1147 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */ 1148 1149 /* Dynamic PCM BE runtime data */ 1150 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1]; 1151 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1]; 1152 1153 long pmdown_time; 1154 1155 /* runtime devices */ 1156 struct snd_pcm *pcm; 1157 struct snd_compr *compr; 1158 1159 /* 1160 * dais = cpu_dai + codec_dai 1161 * see 1162 * soc_new_pcm_runtime() 1163 * snd_soc_rtd_to_cpu() 1164 * snd_soc_rtd_to_codec() 1165 */ 1166 struct snd_soc_dai **dais; 1167 1168 struct delayed_work delayed_work; 1169 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd); 1170 #ifdef CONFIG_DEBUG_FS 1171 struct dentry *debugfs_dpcm_root; 1172 #endif 1173 1174 unsigned int id; /* 0-based and monotonic increasing */ 1175 struct list_head list; /* rtd list of the soc card */ 1176 1177 /* function mark */ 1178 struct snd_pcm_substream *mark_startup; 1179 struct snd_pcm_substream *mark_hw_params; 1180 struct snd_pcm_substream *mark_trigger; 1181 struct snd_compr_stream *mark_compr_startup; 1182 1183 /* bit field */ 1184 unsigned int pop_wait:1; 1185 unsigned int fe_compr:1; /* for Dynamic PCM */ 1186 unsigned int initialized:1; 1187 1188 /* CPU/Codec/Platform */ 1189 int num_components; 1190 struct snd_soc_component *components[] __counted_by(num_components); 1191 }; 1192 1193 /* see soc_new_pcm_runtime() */ 1194 #define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n] 1195 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus] 1196 1197 static inline struct snd_soc_pcm_runtime * 1198 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream) 1199 { 1200 return snd_pcm_substream_chip(substream); 1201 } 1202 1203 #define for_each_rtd_components(rtd, i, component) \ 1204 for ((i) = 0, component = NULL; \ 1205 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\ 1206 (i)++) 1207 #define for_each_rtd_cpu_dais(rtd, i, dai) \ 1208 for ((i) = 0; \ 1209 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \ 1210 (i)++) 1211 #define for_each_rtd_codec_dais(rtd, i, dai) \ 1212 for ((i) = 0; \ 1213 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \ 1214 (i)++) 1215 #define for_each_rtd_dais(rtd, i, dai) \ 1216 for ((i) = 0; \ 1217 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \ 1218 ((dai) = (rtd)->dais[i]); \ 1219 (i)++) 1220 #define for_each_rtd_dais_reverse(rtd, i, dai) \ 1221 for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \ 1222 (i) >= 0 && ((dai) = (rtd)->dais[i]); \ 1223 (i)--) 1224 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps) 1225 1226 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); 1227 1228 /* mixer control */ 1229 struct soc_mixer_control { 1230 /* Minimum and maximum specified as written to the hardware */ 1231 int min, max; 1232 /* Limited maximum value specified as presented through the control */ 1233 int platform_max; 1234 int reg, rreg; 1235 unsigned int shift, rshift; 1236 u32 num_channels; 1237 unsigned int sign_bit; 1238 unsigned int invert:1; 1239 unsigned int autodisable:1; 1240 #ifdef CONFIG_SND_SOC_TOPOLOGY 1241 struct snd_soc_dobj dobj; 1242 #endif 1243 }; 1244 1245 struct soc_bytes { 1246 int base; 1247 int num_regs; 1248 u32 mask; 1249 }; 1250 1251 struct soc_bytes_ext { 1252 int max; 1253 #ifdef CONFIG_SND_SOC_TOPOLOGY 1254 struct snd_soc_dobj dobj; 1255 #endif 1256 /* used for TLV byte control */ 1257 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1258 unsigned int size); 1259 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1260 unsigned int size); 1261 }; 1262 1263 /* multi register control */ 1264 struct soc_mreg_control { 1265 long min, max; 1266 unsigned int regbase, regcount, nbits, invert; 1267 }; 1268 1269 /* enumerated kcontrol */ 1270 struct soc_enum { 1271 int reg; 1272 unsigned char shift_l; 1273 unsigned char shift_r; 1274 unsigned int items; 1275 unsigned int mask; 1276 const char * const *texts; 1277 const unsigned int *values; 1278 unsigned int autodisable:1; 1279 #ifdef CONFIG_SND_SOC_TOPOLOGY 1280 struct snd_soc_dobj dobj; 1281 #endif 1282 }; 1283 1284 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc) 1285 { 1286 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1287 return false; 1288 /* 1289 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1290 * mc->reg != mc->rreg means that the control is 1291 * stereo (bits in one register or in two registers) 1292 */ 1293 return true; 1294 } 1295 1296 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e, 1297 unsigned int val) 1298 { 1299 unsigned int i; 1300 1301 if (!e->values) 1302 return val; 1303 1304 for (i = 0; i < e->items; i++) 1305 if (val == e->values[i]) 1306 return i; 1307 1308 return 0; 1309 } 1310 1311 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e, 1312 unsigned int item) 1313 { 1314 if (!e->values) 1315 return item; 1316 1317 return e->values[item]; 1318 } 1319 1320 int snd_soc_util_init(void); 1321 void snd_soc_util_exit(void); 1322 1323 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1324 const char *propname); 1325 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1326 const char *propname); 1327 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop); 1328 int snd_soc_of_get_slot_mask(struct device_node *np, 1329 const char *prop_name, 1330 unsigned int *mask); 1331 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1332 unsigned int *tx_mask, 1333 unsigned int *rx_mask, 1334 unsigned int *slots, 1335 unsigned int *slot_width); 1336 void snd_soc_of_parse_node_prefix(struct device_node *np, 1337 struct snd_soc_codec_conf *codec_conf, 1338 struct device_node *of_node, 1339 const char *propname); 1340 1341 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1342 const char *propname); 1343 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); 1344 1345 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt); 1346 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); 1347 1348 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); 1349 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, 1350 const char *prefix, 1351 struct device_node **bitclkmaster, 1352 struct device_node **framemaster); 1353 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \ 1354 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL) 1355 #define snd_soc_daifmt_parse_clock_provider_as_phandle \ 1356 snd_soc_daifmt_parse_clock_provider_raw 1357 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \ 1358 snd_soc_daifmt_clock_provider_from_bitmap( \ 1359 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) 1360 1361 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream); 1362 int snd_soc_get_dlc(const struct of_phandle_args *args, 1363 struct snd_soc_dai_link_component *dlc); 1364 int snd_soc_of_get_dlc(struct device_node *of_node, 1365 struct of_phandle_args *args, 1366 struct snd_soc_dai_link_component *dlc, 1367 int index); 1368 int snd_soc_get_dai_id(struct device_node *ep); 1369 int snd_soc_get_dai_name(const struct of_phandle_args *args, 1370 const char **dai_name); 1371 int snd_soc_of_get_dai_name(struct device_node *of_node, 1372 const char **dai_name, int index); 1373 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1374 struct device_node *of_node, 1375 struct snd_soc_dai_link *dai_link); 1376 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1377 int snd_soc_of_get_dai_link_cpus(struct device *dev, 1378 struct device_node *of_node, 1379 struct snd_soc_dai_link *dai_link); 1380 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link); 1381 1382 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card, 1383 struct snd_soc_dai_link *dai_link, 1384 int num_dai_link); 1385 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, 1386 struct snd_soc_pcm_runtime *rtd); 1387 1388 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, 1389 struct snd_soc_dai_link_component *cpus); 1390 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, 1391 const struct of_phandle_args *args); 1392 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args); 1393 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, 1394 struct snd_soc_dai_driver *dai_drv, 1395 bool legacy_dai_naming); 1396 void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1397 1398 struct snd_soc_dai *snd_soc_find_dai( 1399 const struct snd_soc_dai_link_component *dlc); 1400 struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1401 const struct snd_soc_dai_link_component *dlc); 1402 1403 void soc_pcm_set_dai_params(struct snd_soc_dai *dai, 1404 struct snd_pcm_hw_params *params); 1405 1406 #include <sound/soc-dai.h> 1407 1408 static inline 1409 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1410 const char *platform_name) 1411 { 1412 struct snd_soc_dai_link *dai_link; 1413 const char *name; 1414 int i; 1415 1416 if (!platform_name) /* nothing to do */ 1417 return 0; 1418 1419 /* set platform name for each dailink */ 1420 for_each_card_prelinks(card, i, dai_link) { 1421 /* only single platform is supported for now */ 1422 if (dai_link->num_platforms != 1) 1423 return -EINVAL; 1424 1425 if (!dai_link->platforms) 1426 return -EINVAL; 1427 1428 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1429 if (!name) 1430 return -ENOMEM; 1431 1432 /* only single platform is supported for now */ 1433 dai_link->platforms->name = name; 1434 } 1435 1436 return 0; 1437 } 1438 1439 #ifdef CONFIG_DEBUG_FS 1440 extern struct dentry *snd_soc_debugfs_root; 1441 #endif 1442 1443 extern const struct dev_pm_ops snd_soc_pm_ops; 1444 1445 /* 1446 * DAPM helper functions 1447 */ 1448 enum snd_soc_dapm_subclass { 1449 SND_SOC_DAPM_CLASS_ROOT = 0, 1450 SND_SOC_DAPM_CLASS_RUNTIME = 1, 1451 }; 1452 1453 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) 1454 { 1455 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); 1456 } 1457 1458 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) 1459 { 1460 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1461 } 1462 1463 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) 1464 { 1465 mutex_unlock(&card->dapm_mutex); 1466 } 1467 1468 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) 1469 { 1470 lockdep_assert_held(&card->dapm_mutex); 1471 } 1472 1473 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) 1474 { 1475 _snd_soc_dapm_mutex_lock_root_c(snd_soc_dapm_to_card(dapm)); 1476 } 1477 1478 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) 1479 { 1480 _snd_soc_dapm_mutex_lock_c(snd_soc_dapm_to_card(dapm)); 1481 } 1482 1483 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) 1484 { 1485 _snd_soc_dapm_mutex_unlock_c(snd_soc_dapm_to_card(dapm)); 1486 } 1487 1488 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) 1489 { 1490 _snd_soc_dapm_mutex_assert_held_c(snd_soc_dapm_to_card(dapm)); 1491 } 1492 1493 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ 1494 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ 1495 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) 1496 #define snd_soc_dapm_mutex_lock(x) _Generic((x), \ 1497 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ 1498 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) 1499 #define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ 1500 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ 1501 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) 1502 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ 1503 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ 1504 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) 1505 1506 /* 1507 * PCM helper functions 1508 */ 1509 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) 1510 { 1511 mutex_lock(&card->pcm_mutex); 1512 } 1513 1514 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) 1515 { 1516 mutex_unlock(&card->pcm_mutex); 1517 } 1518 1519 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) 1520 { 1521 lockdep_assert_held(&card->pcm_mutex); 1522 } 1523 1524 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) 1525 { 1526 _snd_soc_dpcm_mutex_lock_c(rtd->card); 1527 } 1528 1529 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) 1530 { 1531 _snd_soc_dpcm_mutex_unlock_c(rtd->card); 1532 } 1533 1534 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) 1535 { 1536 _snd_soc_dpcm_mutex_assert_held_c(rtd->card); 1537 } 1538 1539 #define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ 1540 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ 1541 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) 1542 1543 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ 1544 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ 1545 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) 1546 1547 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ 1548 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ 1549 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) 1550 1551 #include <sound/soc-component.h> 1552 #include <sound/soc-card.h> 1553 #include <sound/soc-jack.h> 1554 1555 #endif 1556