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_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 315 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 316 .info = snd_soc_info_enum_double, \ 317 .get = xhandler_get, .put = xhandler_put, \ 318 .private_value = (unsigned long)&xenum } 319 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 320 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) 321 322 #define SOC_ENUM_EXT_ACC(xname, xenum, xhandler_get, xhandler_put, xaccess) \ 323 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 324 .access = xaccess, \ 325 .info = snd_soc_info_enum_double, \ 326 .get = xhandler_get, .put = xhandler_put, \ 327 .private_value = (unsigned long)&xenum } 328 329 #define SND_SOC_BYTES(xname, xbase, xregs) \ 330 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 331 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 332 .put = snd_soc_bytes_put, .private_value = \ 333 ((unsigned long)&(struct soc_bytes) \ 334 {.base = xbase, .num_regs = xregs }) } 335 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \ 336 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 337 .info = snd_soc_bytes_info, .get = xhandler_get, \ 338 .put = xhandler_put, .private_value = \ 339 ((unsigned long)&(struct soc_bytes) \ 340 {.base = xbase, .num_regs = xregs }) } 341 #define SND_SOC_BYTES_E_ACC(xname, xbase, xregs, xhandler_get, xhandler_put, xaccess) \ 342 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 343 .access = xaccess, \ 344 .info = snd_soc_bytes_info, .get = xhandler_get, \ 345 .put = xhandler_put, .private_value = \ 346 ((unsigned long)&(struct soc_bytes) \ 347 {.base = xbase, .num_regs = xregs }) } 348 349 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 350 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 351 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 352 .put = snd_soc_bytes_put, .private_value = \ 353 ((unsigned long)&(struct soc_bytes) \ 354 {.base = xbase, .num_regs = xregs, \ 355 .mask = xmask }) } 356 357 /* 358 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead 359 */ 360 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ 361 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 362 .info = snd_soc_bytes_info_ext, \ 363 .get = xhandler_get, .put = xhandler_put, \ 364 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 365 {.max = xcount} } 366 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ 367 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 368 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ 369 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 370 .tlv.c = (snd_soc_bytes_tlv_callback), \ 371 .info = snd_soc_bytes_info_ext, \ 372 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 373 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } 374 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 375 xmin, xmax, xinvert) \ 376 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 377 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 378 .put = snd_soc_put_xr_sx, \ 379 .private_value = (unsigned long)&(struct soc_mreg_control) \ 380 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 381 .invert = xinvert, .min = xmin, .max = xmax} } 382 383 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 384 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 385 snd_soc_get_strobe, snd_soc_put_strobe) 386 387 /* 388 * Simplified versions of above macros, declaring a struct and calculating 389 * ARRAY_SIZE internally 390 */ 391 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 392 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 393 ARRAY_SIZE(xtexts), xtexts) 394 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 395 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 396 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 397 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 398 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 399 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 400 ARRAY_SIZE(xtexts), xtexts, xvalues) 401 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 402 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 403 404 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 405 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ 406 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) 407 408 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ 409 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) 410 411 struct snd_soc_card; 412 struct snd_soc_pcm_runtime; 413 struct snd_soc_dai; 414 struct snd_soc_dai_driver; 415 struct snd_soc_dai_link; 416 struct snd_soc_component; 417 struct snd_soc_component_driver; 418 struct snd_soc_jack; 419 struct snd_soc_jack_pin; 420 421 #include <sound/soc-dapm.h> 422 #include <sound/soc-dpcm.h> 423 #include <sound/soc-topology.h> 424 425 int snd_soc_register_card(struct snd_soc_card *card); 426 void snd_soc_unregister_card(struct snd_soc_card *card); 427 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 428 int devm_snd_soc_register_deferrable_card(struct device *dev, struct snd_soc_card *card); 429 #ifdef CONFIG_PM_SLEEP 430 int snd_soc_suspend(struct device *dev); 431 int snd_soc_resume(struct device *dev); 432 #else 433 static inline int snd_soc_suspend(struct device *dev) 434 { 435 return 0; 436 } 437 438 static inline int snd_soc_resume(struct device *dev) 439 { 440 return 0; 441 } 442 #endif 443 int snd_soc_poweroff(struct device *dev); 444 int snd_soc_component_initialize(struct snd_soc_component *component, 445 const struct snd_soc_component_driver *driver, 446 struct device *dev); 447 int snd_soc_add_component(struct snd_soc_component *component, 448 struct snd_soc_dai_driver *dai_drv, 449 int num_dai); 450 int snd_soc_register_component(struct device *dev, 451 const struct snd_soc_component_driver *component_driver, 452 struct snd_soc_dai_driver *dai_drv, int num_dai); 453 int devm_snd_soc_register_component(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_unregister_component(dev) snd_soc_unregister_component_by_driver(dev, NULL) 457 void snd_soc_unregister_component_by_driver(struct device *dev, 458 const struct snd_soc_component_driver *component_driver); 459 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, 460 const char *driver_name); 461 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 462 const char *driver_name); 463 struct snd_soc_component *snd_soc_lookup_component_by_name(const char *component_name); 464 465 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd); 466 #ifdef CONFIG_SND_SOC_COMPRESS 467 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd); 468 #else 469 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd) 470 { 471 return 0; 472 } 473 #endif 474 475 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 476 struct snd_soc_dai_link *dai_link); 477 478 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 479 480 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd, 481 int stream, int action); 482 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, 483 int stream) 484 { 485 snd_soc_runtime_action(rtd, stream, 1); 486 } 487 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, 488 int stream) 489 { 490 snd_soc_runtime_action(rtd, stream, -1); 491 } 492 493 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, 494 struct snd_pcm_hardware *hw, int stream); 495 496 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 497 unsigned int dai_fmt); 498 499 /* Utility functions to get clock rates from various things */ 500 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 501 int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params); 502 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 503 int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms); 504 int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params, 505 int tdm_width, int tdm_slots, int slot_multiple); 506 int snd_soc_ret(const struct device *dev, int ret, const char *fmt, ...); 507 508 /* set runtime hw params */ 509 static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 510 const struct snd_pcm_hardware *hw) 511 { 512 substream->runtime->hw = *hw; 513 514 return 0; 515 } 516 517 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 518 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 519 unsigned int id, unsigned int id_mask); 520 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 521 522 #ifdef CONFIG_SND_SOC_AC97_BUS 523 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 524 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 525 struct platform_device *pdev); 526 527 extern struct snd_ac97_bus_ops *soc_ac97_ops; 528 #else 529 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 530 struct platform_device *pdev) 531 { 532 return 0; 533 } 534 535 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 536 { 537 return 0; 538 } 539 #endif 540 541 /* 542 *Controls 543 */ 544 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 545 void *data, const char *long_name, 546 const char *prefix); 547 int snd_soc_add_component_controls(struct snd_soc_component *component, 548 const struct snd_kcontrol_new *controls, unsigned int num_controls); 549 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 550 const struct snd_kcontrol_new *controls, int num_controls); 551 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 552 const struct snd_kcontrol_new *controls, int num_controls); 553 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 554 struct snd_ctl_elem_info *uinfo); 555 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 556 struct snd_ctl_elem_value *ucontrol); 557 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 558 struct snd_ctl_elem_value *ucontrol); 559 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 560 struct snd_ctl_elem_info *uinfo); 561 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 562 struct snd_ctl_elem_info *uinfo); 563 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 564 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 565 struct snd_ctl_elem_value *ucontrol); 566 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 567 struct snd_ctl_elem_value *ucontrol); 568 #define snd_soc_get_volsw_2r snd_soc_get_volsw 569 #define snd_soc_put_volsw_2r snd_soc_put_volsw 570 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 571 struct snd_ctl_elem_value *ucontrol); 572 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 573 struct snd_ctl_elem_value *ucontrol); 574 int snd_soc_limit_volume(struct snd_soc_card *card, 575 const char *name, int max); 576 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 577 struct snd_ctl_elem_info *uinfo); 578 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 579 struct snd_ctl_elem_value *ucontrol); 580 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 581 struct snd_ctl_elem_value *ucontrol); 582 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 583 struct snd_ctl_elem_info *ucontrol); 584 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 585 unsigned int size, unsigned int __user *tlv); 586 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 587 struct snd_ctl_elem_info *uinfo); 588 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 589 struct snd_ctl_elem_value *ucontrol); 590 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 591 struct snd_ctl_elem_value *ucontrol); 592 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 593 struct snd_ctl_elem_value *ucontrol); 594 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 595 struct snd_ctl_elem_value *ucontrol); 596 597 enum snd_soc_trigger_order { 598 /* start stop */ 599 SND_SOC_TRIGGER_ORDER_DEFAULT = 0, /* Link->Component->DAI DAI->Component->Link */ 600 SND_SOC_TRIGGER_ORDER_LDC, /* Link->DAI->Component Component->DAI->Link */ 601 602 SND_SOC_TRIGGER_ORDER_MAX, 603 }; 604 605 /* SoC PCM stream information */ 606 struct snd_soc_pcm_stream { 607 const char *stream_name; 608 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 609 u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */ 610 unsigned int rates; /* SNDRV_PCM_RATE_* */ 611 unsigned int rate_min; /* min rate */ 612 unsigned int rate_max; /* max rate */ 613 unsigned int channels_min; /* min channels */ 614 unsigned int channels_max; /* max channels */ 615 unsigned int sig_bits; /* number of bits of content */ 616 }; 617 618 /* SoC audio ops */ 619 struct snd_soc_ops { 620 int (*startup)(struct snd_pcm_substream *); 621 void (*shutdown)(struct snd_pcm_substream *); 622 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 623 int (*hw_free)(struct snd_pcm_substream *); 624 int (*prepare)(struct snd_pcm_substream *); 625 int (*trigger)(struct snd_pcm_substream *, int); 626 }; 627 628 struct snd_soc_compr_ops { 629 int (*startup)(struct snd_compr_stream *); 630 void (*shutdown)(struct snd_compr_stream *); 631 int (*set_params)(struct snd_compr_stream *); 632 }; 633 634 struct snd_soc_component* 635 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 636 const char *driver_name); 637 638 struct snd_soc_dai_link_component { 639 const char *name; 640 struct device_node *of_node; 641 const char *dai_name; 642 const struct of_phandle_args *dai_args; 643 644 /* 645 * Extra format = SND_SOC_DAIFMT_Bx_Fx 646 * 647 * [Note] it is Bx_Fx base, not CBx_CFx 648 * 649 * It will be used with dai_link->dai_fmt 650 * see 651 * snd_soc_runtime_set_dai_fmt() 652 */ 653 unsigned int ext_fmt; 654 }; 655 656 /* 657 * [dai_link->ch_maps Image sample] 658 * 659 *------------------------- 660 * CPU0 <---> Codec0 661 * 662 * ch-map[0].cpu = 0 ch-map[0].codec = 0 663 * 664 *------------------------- 665 * CPU0 <---> Codec0 666 * CPU1 <---> Codec1 667 * CPU2 <---> Codec2 668 * 669 * ch-map[0].cpu = 0 ch-map[0].codec = 0 670 * ch-map[1].cpu = 1 ch-map[1].codec = 1 671 * ch-map[2].cpu = 2 ch-map[2].codec = 2 672 * 673 *------------------------- 674 * CPU0 <---> Codec0 675 * CPU1 <-+-> Codec1 676 * CPU2 <-/ 677 * 678 * ch-map[0].cpu = 0 ch-map[0].codec = 0 679 * ch-map[1].cpu = 1 ch-map[1].codec = 1 680 * ch-map[2].cpu = 2 ch-map[2].codec = 1 681 * 682 *------------------------- 683 * CPU0 <---> Codec0 684 * CPU1 <-+-> Codec1 685 * \-> Codec2 686 * 687 * ch-map[0].cpu = 0 ch-map[0].codec = 0 688 * ch-map[1].cpu = 1 ch-map[1].codec = 1 689 * ch-map[2].cpu = 1 ch-map[2].codec = 2 690 * 691 */ 692 struct snd_soc_dai_link_ch_map { 693 unsigned int cpu; 694 unsigned int codec; 695 unsigned int ch_mask; 696 }; 697 698 struct snd_soc_dai_link { 699 /* config - must be set by machine driver */ 700 const char *name; /* Codec name */ 701 const char *stream_name; /* Stream name */ 702 703 /* 704 * You MAY specify the link's CPU-side device, either by device name, 705 * or by DT/OF node, but not both. If this information is omitted, 706 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 707 * must be globally unique. These fields are currently typically used 708 * only for codec to codec links, or systems using device tree. 709 */ 710 /* 711 * You MAY specify the DAI name of the CPU DAI. If this information is 712 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 713 * only, which only works well when that device exposes a single DAI. 714 */ 715 struct snd_soc_dai_link_component *cpus; 716 unsigned int num_cpus; 717 718 /* 719 * You MUST specify the link's codec, either by device name, or by 720 * DT/OF node, but not both. 721 */ 722 /* You MUST specify the DAI name within the codec */ 723 struct snd_soc_dai_link_component *codecs; 724 unsigned int num_codecs; 725 726 /* num_ch_maps = max(num_cpu, num_codecs) */ 727 struct snd_soc_dai_link_ch_map *ch_maps; 728 729 /* 730 * You MAY specify the link's platform/PCM/DMA driver, either by 731 * device name, or by DT/OF node, but not both. Some forms of link 732 * do not need a platform. In such case, platforms are not mandatory. 733 */ 734 struct snd_soc_dai_link_component *platforms; 735 unsigned int num_platforms; 736 737 int id; /* optional ID for machine driver link identification */ 738 739 /* 740 * for Codec2Codec 741 */ 742 const struct snd_soc_pcm_stream *c2c_params; 743 unsigned int num_c2c_params; 744 745 unsigned int dai_fmt; /* format to set on init */ 746 747 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 748 749 /* codec/machine specific init - e.g. add machine controls */ 750 int (*init)(struct snd_soc_pcm_runtime *rtd); 751 752 /* codec/machine specific exit - dual of init() */ 753 void (*exit)(struct snd_soc_pcm_runtime *rtd); 754 755 /* optional hw_params re-writing for BE and FE sync */ 756 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 757 struct snd_pcm_hw_params *params); 758 759 /* machine stream operations */ 760 const struct snd_soc_ops *ops; 761 const struct snd_soc_compr_ops *compr_ops; 762 763 /* 764 * soc_pcm_trigger() start/stop sequence. 765 * see also 766 * snd_soc_component_driver 767 * soc_pcm_trigger() 768 */ 769 enum snd_soc_trigger_order trigger_start; 770 enum snd_soc_trigger_order trigger_stop; 771 772 /* Mark this pcm with non atomic ops */ 773 unsigned int nonatomic:1; 774 775 /* For unidirectional dai links */ 776 unsigned int playback_only:1; 777 unsigned int capture_only:1; 778 779 /* Keep DAI active over suspend */ 780 unsigned int ignore_suspend:1; 781 782 /* Symmetry requirements */ 783 unsigned int symmetric_rate:1; 784 unsigned int symmetric_channels:1; 785 unsigned int symmetric_sample_bits:1; 786 787 /* Do not create a PCM for this DAI link (Backend link) */ 788 unsigned int no_pcm:1; 789 790 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 791 unsigned int dynamic:1; 792 793 /* DPCM used FE & BE merged format */ 794 unsigned int dpcm_merged_format:1; 795 /* DPCM used FE & BE merged channel */ 796 unsigned int dpcm_merged_chan:1; 797 /* DPCM used FE & BE merged rate */ 798 unsigned int dpcm_merged_rate:1; 799 800 /* pmdown_time is ignored at stop */ 801 unsigned int ignore_pmdown_time:1; 802 803 /* Do not create a PCM for this DAI link (Backend link) */ 804 unsigned int ignore:1; 805 806 #ifdef CONFIG_SND_SOC_TOPOLOGY 807 struct snd_soc_dobj dobj; /* For topology */ 808 #endif 809 }; 810 811 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link) 812 { 813 return max(link->num_cpus, link->num_codecs); 814 } 815 816 static inline struct snd_soc_dai_link_component* 817 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) { 818 return &(link)->cpus[n]; 819 } 820 821 static inline struct snd_soc_dai_link_component* 822 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) { 823 return &(link)->codecs[n]; 824 } 825 826 static inline struct snd_soc_dai_link_component* 827 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { 828 return &(link)->platforms[n]; 829 } 830 831 #define for_each_link_codecs(link, i, codec) \ 832 for ((i) = 0; \ 833 ((i) < link->num_codecs) && \ 834 ((codec) = snd_soc_link_to_codec(link, i)); \ 835 (i)++) 836 837 #define for_each_link_platforms(link, i, platform) \ 838 for ((i) = 0; \ 839 ((i) < link->num_platforms) && \ 840 ((platform) = snd_soc_link_to_platform(link, i)); \ 841 (i)++) 842 843 #define for_each_link_cpus(link, i, cpu) \ 844 for ((i) = 0; \ 845 ((i) < link->num_cpus) && \ 846 ((cpu) = snd_soc_link_to_cpu(link, i)); \ 847 (i)++) 848 849 #define for_each_link_ch_maps(link, i, ch_map) \ 850 for ((i) = 0; \ 851 ((i) < snd_soc_link_num_ch_map(link) && \ 852 ((ch_map) = link->ch_maps + i)); \ 853 (i)++) 854 855 /* 856 * Sample 1 : Single CPU/Codec/Platform 857 * 858 * SND_SOC_DAILINK_DEFS(test, 859 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 860 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 861 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 862 * 863 * struct snd_soc_dai_link link = { 864 * ... 865 * SND_SOC_DAILINK_REG(test), 866 * }; 867 * 868 * Sample 2 : Multi CPU/Codec, no Platform 869 * 870 * SND_SOC_DAILINK_DEFS(test, 871 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 872 * COMP_CPU("cpu_dai2")), 873 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 874 * COMP_CODEC("codec2", "codec_dai2"))); 875 * 876 * struct snd_soc_dai_link link = { 877 * ... 878 * SND_SOC_DAILINK_REG(test), 879 * }; 880 * 881 * Sample 3 : Define each CPU/Codec/Platform manually 882 * 883 * SND_SOC_DAILINK_DEF(test_cpu, 884 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 885 * COMP_CPU("cpu_dai2"))); 886 * SND_SOC_DAILINK_DEF(test_codec, 887 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 888 * COMP_CODEC("codec2", "codec_dai2"))); 889 * SND_SOC_DAILINK_DEF(test_platform, 890 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 891 * 892 * struct snd_soc_dai_link link = { 893 * ... 894 * SND_SOC_DAILINK_REG(test_cpu, 895 * test_codec, 896 * test_platform), 897 * }; 898 * 899 * Sample 4 : Sample3 without platform 900 * 901 * struct snd_soc_dai_link link = { 902 * ... 903 * SND_SOC_DAILINK_REG(test_cpu, 904 * test_codec); 905 * }; 906 */ 907 908 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 909 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 910 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 911 .cpus = cpu, \ 912 .num_cpus = ARRAY_SIZE(cpu), \ 913 .codecs = codec, \ 914 .num_codecs = ARRAY_SIZE(codec), \ 915 .platforms = platform, \ 916 .num_platforms = ARRAY_SIZE(platform) 917 918 #define SND_SOC_DAILINK_REG(...) \ 919 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__) 920 921 #define SND_SOC_DAILINK_DEF(name, def...) \ 922 static struct snd_soc_dai_link_component name[] = { def } 923 924 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 925 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 926 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 927 SND_SOC_DAILINK_DEF(name##_platforms, platform) 928 929 #define DAILINK_COMP_ARRAY(param...) param 930 #define COMP_EMPTY() { } 931 #define COMP_CPU(_dai) { .dai_name = _dai, } 932 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 933 #define COMP_PLATFORM(_name) { .name = _name } 934 #define COMP_AUX(_name) { .name = _name } 935 #define COMP_CODEC_CONF(_name) { .name = _name } 936 #define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */ 937 938 extern struct snd_soc_dai_link_component null_dailink_component[0]; 939 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; 940 int snd_soc_dlc_is_dummy(struct snd_soc_dai_link_component *dlc); 941 942 struct snd_soc_codec_conf { 943 /* 944 * specify device either by device name, or by 945 * DT/OF node, but not both. 946 */ 947 struct snd_soc_dai_link_component dlc; 948 949 /* 950 * optional map of kcontrol, widget and path name prefixes that are 951 * associated per device 952 */ 953 const char *name_prefix; 954 }; 955 956 struct snd_soc_aux_dev { 957 /* 958 * specify multi-codec either by device name, or by 959 * DT/OF node, but not both. 960 */ 961 struct snd_soc_dai_link_component dlc; 962 963 /* codec/machine specific init - e.g. add machine controls */ 964 int (*init)(struct snd_soc_component *component); 965 }; 966 967 /* SoC card */ 968 struct snd_soc_card { 969 const char *name; 970 const char *long_name; 971 const char *driver_name; 972 const char *components; 973 #ifdef CONFIG_DMI 974 char dmi_longname[80]; 975 #endif /* CONFIG_DMI */ 976 977 #ifdef CONFIG_PCI 978 /* 979 * PCI does not define 0 as invalid, so pci_subsystem_set indicates 980 * whether a value has been written to these fields. 981 */ 982 unsigned short pci_subsystem_vendor; 983 unsigned short pci_subsystem_device; 984 bool pci_subsystem_set; 985 #endif /* CONFIG_PCI */ 986 987 char topology_shortname[32]; 988 989 struct device *dev; 990 struct snd_card *snd_card; 991 struct module *owner; 992 993 struct mutex mutex; 994 struct mutex dapm_mutex; 995 996 /* Mutex for PCM operations */ 997 struct mutex pcm_mutex; 998 999 int (*probe)(struct snd_soc_card *card); 1000 int (*late_probe)(struct snd_soc_card *card); 1001 void (*fixup_controls)(struct snd_soc_card *card); 1002 int (*remove)(struct snd_soc_card *card); 1003 1004 /* the pre and post PM functions are used to do any PM work before and 1005 * after the codec and DAI's do any PM work. */ 1006 int (*suspend_pre)(struct snd_soc_card *card); 1007 int (*suspend_post)(struct snd_soc_card *card); 1008 int (*resume_pre)(struct snd_soc_card *card); 1009 int (*resume_post)(struct snd_soc_card *card); 1010 1011 /* callbacks */ 1012 int (*set_bias_level)(struct snd_soc_card *, 1013 struct snd_soc_dapm_context *dapm, 1014 enum snd_soc_bias_level level); 1015 int (*set_bias_level_post)(struct snd_soc_card *, 1016 struct snd_soc_dapm_context *dapm, 1017 enum snd_soc_bias_level level); 1018 1019 int (*add_dai_link)(struct snd_soc_card *, 1020 struct snd_soc_dai_link *link); 1021 void (*remove_dai_link)(struct snd_soc_card *, 1022 struct snd_soc_dai_link *link); 1023 1024 long pmdown_time; 1025 1026 /* CPU <--> Codec DAI links */ 1027 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1028 int num_links; /* predefined links only */ 1029 1030 struct list_head rtd_list; 1031 int num_rtd; 1032 1033 /* optional codec specific configuration */ 1034 struct snd_soc_codec_conf *codec_conf; 1035 int num_configs; 1036 1037 /* 1038 * optional auxiliary devices such as amplifiers or codecs with DAI 1039 * link unused 1040 */ 1041 struct snd_soc_aux_dev *aux_dev; 1042 int num_aux_devs; 1043 struct list_head aux_comp_list; 1044 1045 const struct snd_kcontrol_new *controls; 1046 int num_controls; 1047 1048 /* 1049 * Card-specific routes and widgets. 1050 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1051 */ 1052 const struct snd_soc_dapm_widget *dapm_widgets; 1053 int num_dapm_widgets; 1054 const struct snd_soc_dapm_route *dapm_routes; 1055 int num_dapm_routes; 1056 const struct snd_soc_dapm_widget *of_dapm_widgets; 1057 int num_of_dapm_widgets; 1058 const struct snd_soc_dapm_route *of_dapm_routes; 1059 int num_of_dapm_routes; 1060 1061 /* lists of probed devices belonging to this card */ 1062 struct list_head component_dev_list; 1063 struct list_head list; 1064 1065 struct list_head widgets; 1066 struct list_head paths; 1067 struct list_head dapm_list; 1068 struct list_head dapm_dirty; 1069 1070 /* attached dynamic objects */ 1071 struct list_head dobj_list; 1072 1073 /* Generic DAPM context for the card */ 1074 struct snd_soc_dapm_context *dapm; 1075 struct snd_soc_dapm_stats dapm_stats; 1076 1077 #ifdef CONFIG_DEBUG_FS 1078 struct dentry *debugfs_card_root; 1079 #endif 1080 #ifdef CONFIG_PM_SLEEP 1081 struct work_struct deferred_resume_work; 1082 #endif 1083 u32 pop_time; 1084 1085 /* bit field */ 1086 unsigned int instantiated:1; 1087 unsigned int topology_shortname_created: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 static inline 1338 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1339 struct snd_soc_codec_conf *codec_conf, 1340 struct device_node *of_node, 1341 const char *propname) 1342 { 1343 snd_soc_of_parse_node_prefix(card->dev->of_node, 1344 codec_conf, of_node, propname); 1345 } 1346 1347 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1348 const char *propname); 1349 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); 1350 1351 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt); 1352 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); 1353 1354 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); 1355 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, 1356 const char *prefix, 1357 struct device_node **bitclkmaster, 1358 struct device_node **framemaster); 1359 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \ 1360 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL) 1361 #define snd_soc_daifmt_parse_clock_provider_as_phandle \ 1362 snd_soc_daifmt_parse_clock_provider_raw 1363 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \ 1364 snd_soc_daifmt_clock_provider_from_bitmap( \ 1365 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) 1366 1367 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream); 1368 int snd_soc_get_dlc(const struct of_phandle_args *args, 1369 struct snd_soc_dai_link_component *dlc); 1370 int snd_soc_of_get_dlc(struct device_node *of_node, 1371 struct of_phandle_args *args, 1372 struct snd_soc_dai_link_component *dlc, 1373 int index); 1374 int snd_soc_get_dai_id(struct device_node *ep); 1375 int snd_soc_get_dai_name(const struct of_phandle_args *args, 1376 const char **dai_name); 1377 int snd_soc_of_get_dai_name(struct device_node *of_node, 1378 const char **dai_name, int index); 1379 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1380 struct device_node *of_node, 1381 struct snd_soc_dai_link *dai_link); 1382 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1383 int snd_soc_of_get_dai_link_cpus(struct device *dev, 1384 struct device_node *of_node, 1385 struct snd_soc_dai_link *dai_link); 1386 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link); 1387 1388 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card, 1389 struct snd_soc_dai_link *dai_link, 1390 int num_dai_link); 1391 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, 1392 struct snd_soc_pcm_runtime *rtd); 1393 1394 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, 1395 struct snd_soc_dai_link_component *cpus); 1396 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, 1397 const struct of_phandle_args *args); 1398 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args); 1399 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, 1400 struct snd_soc_dai_driver *dai_drv, 1401 bool legacy_dai_naming); 1402 void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1403 1404 struct snd_soc_dai *snd_soc_find_dai( 1405 const struct snd_soc_dai_link_component *dlc); 1406 struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1407 const struct snd_soc_dai_link_component *dlc); 1408 1409 void soc_pcm_set_dai_params(struct snd_soc_dai *dai, 1410 struct snd_pcm_hw_params *params); 1411 1412 #include <sound/soc-dai.h> 1413 1414 static inline 1415 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1416 const char *platform_name) 1417 { 1418 struct snd_soc_dai_link *dai_link; 1419 const char *name; 1420 int i; 1421 1422 if (!platform_name) /* nothing to do */ 1423 return 0; 1424 1425 /* set platform name for each dailink */ 1426 for_each_card_prelinks(card, i, dai_link) { 1427 /* only single platform is supported for now */ 1428 if (dai_link->num_platforms != 1) 1429 return -EINVAL; 1430 1431 if (!dai_link->platforms) 1432 return -EINVAL; 1433 1434 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1435 if (!name) 1436 return -ENOMEM; 1437 1438 /* only single platform is supported for now */ 1439 dai_link->platforms->name = name; 1440 } 1441 1442 return 0; 1443 } 1444 1445 #ifdef CONFIG_DEBUG_FS 1446 extern struct dentry *snd_soc_debugfs_root; 1447 #endif 1448 1449 extern const struct dev_pm_ops snd_soc_pm_ops; 1450 1451 /* 1452 * DAPM helper functions 1453 */ 1454 enum snd_soc_dapm_subclass { 1455 SND_SOC_DAPM_CLASS_ROOT = 0, 1456 SND_SOC_DAPM_CLASS_RUNTIME = 1, 1457 }; 1458 1459 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) 1460 { 1461 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); 1462 } 1463 1464 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) 1465 { 1466 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1467 } 1468 1469 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) 1470 { 1471 mutex_unlock(&card->dapm_mutex); 1472 } 1473 1474 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) 1475 { 1476 lockdep_assert_held(&card->dapm_mutex); 1477 } 1478 1479 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) 1480 { 1481 _snd_soc_dapm_mutex_lock_root_c(snd_soc_dapm_to_card(dapm)); 1482 } 1483 1484 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) 1485 { 1486 _snd_soc_dapm_mutex_lock_c(snd_soc_dapm_to_card(dapm)); 1487 } 1488 1489 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) 1490 { 1491 _snd_soc_dapm_mutex_unlock_c(snd_soc_dapm_to_card(dapm)); 1492 } 1493 1494 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) 1495 { 1496 _snd_soc_dapm_mutex_assert_held_c(snd_soc_dapm_to_card(dapm)); 1497 } 1498 1499 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ 1500 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ 1501 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) 1502 #define snd_soc_dapm_mutex_lock(x) _Generic((x), \ 1503 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ 1504 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) 1505 #define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ 1506 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ 1507 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) 1508 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ 1509 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ 1510 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) 1511 1512 /* 1513 * PCM helper functions 1514 */ 1515 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) 1516 { 1517 mutex_lock(&card->pcm_mutex); 1518 } 1519 1520 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) 1521 { 1522 mutex_unlock(&card->pcm_mutex); 1523 } 1524 1525 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) 1526 { 1527 lockdep_assert_held(&card->pcm_mutex); 1528 } 1529 1530 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) 1531 { 1532 _snd_soc_dpcm_mutex_lock_c(rtd->card); 1533 } 1534 1535 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) 1536 { 1537 _snd_soc_dpcm_mutex_unlock_c(rtd->card); 1538 } 1539 1540 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) 1541 { 1542 _snd_soc_dpcm_mutex_assert_held_c(rtd->card); 1543 } 1544 1545 #define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ 1546 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ 1547 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) 1548 1549 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ 1550 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ 1551 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) 1552 1553 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ 1554 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ 1555 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) 1556 1557 #include <sound/soc-component.h> 1558 #include <sound/soc-card.h> 1559 #include <sound/soc-jack.h> 1560 1561 #endif 1562