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 SND_SOC_BYTES(xname, xbase, xregs) \ 323 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 324 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 325 .put = snd_soc_bytes_put, .private_value = \ 326 ((unsigned long)&(struct soc_bytes) \ 327 {.base = xbase, .num_regs = xregs }) } 328 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \ 329 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 330 .info = snd_soc_bytes_info, .get = xhandler_get, \ 331 .put = xhandler_put, .private_value = \ 332 ((unsigned long)&(struct soc_bytes) \ 333 {.base = xbase, .num_regs = xregs }) } 334 335 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 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 .mask = xmask }) } 342 343 /* 344 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead 345 */ 346 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ 347 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 348 .info = snd_soc_bytes_info_ext, \ 349 .get = xhandler_get, .put = xhandler_put, \ 350 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 351 {.max = xcount} } 352 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ 353 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 354 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ 355 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 356 .tlv.c = (snd_soc_bytes_tlv_callback), \ 357 .info = snd_soc_bytes_info_ext, \ 358 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 359 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } 360 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 361 xmin, xmax, xinvert) \ 362 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 363 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 364 .put = snd_soc_put_xr_sx, \ 365 .private_value = (unsigned long)&(struct soc_mreg_control) \ 366 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 367 .invert = xinvert, .min = xmin, .max = xmax} } 368 369 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 370 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 371 snd_soc_get_strobe, snd_soc_put_strobe) 372 373 /* 374 * Simplified versions of above macros, declaring a struct and calculating 375 * ARRAY_SIZE internally 376 */ 377 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 378 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 379 ARRAY_SIZE(xtexts), xtexts) 380 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 381 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 382 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 383 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 384 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 385 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 386 ARRAY_SIZE(xtexts), xtexts, xvalues) 387 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 388 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 389 390 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 391 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ 392 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) 393 394 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ 395 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) 396 397 struct snd_jack; 398 struct snd_soc_card; 399 struct snd_soc_pcm_stream; 400 struct snd_soc_ops; 401 struct snd_soc_pcm_runtime; 402 struct snd_soc_dai; 403 struct snd_soc_dai_driver; 404 struct snd_soc_dai_link; 405 struct snd_soc_component; 406 struct snd_soc_component_driver; 407 struct soc_enum; 408 struct snd_soc_jack; 409 struct snd_soc_jack_zone; 410 struct snd_soc_jack_pin; 411 412 #include <sound/soc-dapm.h> 413 #include <sound/soc-dpcm.h> 414 #include <sound/soc-topology.h> 415 416 struct snd_soc_jack_gpio; 417 418 enum snd_soc_pcm_subclass { 419 SND_SOC_PCM_CLASS_PCM = 0, 420 SND_SOC_PCM_CLASS_BE = 1, 421 }; 422 423 int snd_soc_register_card(struct snd_soc_card *card); 424 void snd_soc_unregister_card(struct snd_soc_card *card); 425 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 426 int devm_snd_soc_register_deferrable_card(struct device *dev, struct snd_soc_card *card); 427 #ifdef CONFIG_PM_SLEEP 428 int snd_soc_suspend(struct device *dev); 429 int snd_soc_resume(struct device *dev); 430 #else 431 static inline int snd_soc_suspend(struct device *dev) 432 { 433 return 0; 434 } 435 436 static inline int snd_soc_resume(struct device *dev) 437 { 438 return 0; 439 } 440 #endif 441 int snd_soc_poweroff(struct device *dev); 442 int snd_soc_component_initialize(struct snd_soc_component *component, 443 const struct snd_soc_component_driver *driver, 444 struct device *dev); 445 int snd_soc_add_component(struct snd_soc_component *component, 446 struct snd_soc_dai_driver *dai_drv, 447 int num_dai); 448 int snd_soc_register_component(struct device *dev, 449 const struct snd_soc_component_driver *component_driver, 450 struct snd_soc_dai_driver *dai_drv, int num_dai); 451 int devm_snd_soc_register_component(struct device *dev, 452 const struct snd_soc_component_driver *component_driver, 453 struct snd_soc_dai_driver *dai_drv, int num_dai); 454 void snd_soc_unregister_component(struct device *dev); 455 void snd_soc_unregister_component_by_driver(struct device *dev, 456 const struct snd_soc_component_driver *component_driver); 457 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, 458 const char *driver_name); 459 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 460 const char *driver_name); 461 462 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd); 463 #ifdef CONFIG_SND_SOC_COMPRESS 464 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd); 465 #else 466 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd) 467 { 468 return 0; 469 } 470 #endif 471 472 void snd_soc_disconnect_sync(struct device *dev); 473 474 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 475 struct snd_soc_dai_link *dai_link); 476 477 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 478 479 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd, 480 int stream, int action); 481 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, 482 int stream) 483 { 484 snd_soc_runtime_action(rtd, stream, 1); 485 } 486 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, 487 int stream) 488 { 489 snd_soc_runtime_action(rtd, stream, -1); 490 } 491 492 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, 493 struct snd_pcm_hardware *hw, int stream); 494 495 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 496 unsigned int dai_fmt); 497 498 /* Utility functions to get clock rates from various things */ 499 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 500 int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params); 501 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 502 int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms); 503 int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params, 504 int tdm_width, int tdm_slots, int slot_multiple); 505 int snd_soc_ret(const struct device *dev, int ret, const char *fmt, ...); 506 507 /* set runtime hw params */ 508 static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 509 const struct snd_pcm_hardware *hw) 510 { 511 substream->runtime->hw = *hw; 512 513 return 0; 514 } 515 516 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 517 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 518 unsigned int id, unsigned int id_mask); 519 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 520 521 #ifdef CONFIG_SND_SOC_AC97_BUS 522 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 523 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 524 struct platform_device *pdev); 525 526 extern struct snd_ac97_bus_ops *soc_ac97_ops; 527 #else 528 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 529 struct platform_device *pdev) 530 { 531 return 0; 532 } 533 534 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 535 { 536 return 0; 537 } 538 #endif 539 540 /* 541 *Controls 542 */ 543 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 544 void *data, const char *long_name, 545 const char *prefix); 546 int snd_soc_add_component_controls(struct snd_soc_component *component, 547 const struct snd_kcontrol_new *controls, unsigned int num_controls); 548 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 549 const struct snd_kcontrol_new *controls, int num_controls); 550 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 551 const struct snd_kcontrol_new *controls, int num_controls); 552 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 553 struct snd_ctl_elem_info *uinfo); 554 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 555 struct snd_ctl_elem_value *ucontrol); 556 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 557 struct snd_ctl_elem_value *ucontrol); 558 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 559 struct snd_ctl_elem_info *uinfo); 560 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 561 struct snd_ctl_elem_info *uinfo); 562 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 563 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 564 struct snd_ctl_elem_value *ucontrol); 565 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 566 struct snd_ctl_elem_value *ucontrol); 567 #define snd_soc_get_volsw_2r snd_soc_get_volsw 568 #define snd_soc_put_volsw_2r snd_soc_put_volsw 569 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 570 struct snd_ctl_elem_value *ucontrol); 571 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 572 struct snd_ctl_elem_value *ucontrol); 573 int snd_soc_limit_volume(struct snd_soc_card *card, 574 const char *name, int max); 575 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 576 struct snd_ctl_elem_info *uinfo); 577 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 578 struct snd_ctl_elem_value *ucontrol); 579 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 580 struct snd_ctl_elem_value *ucontrol); 581 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 582 struct snd_ctl_elem_info *ucontrol); 583 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 584 unsigned int size, unsigned int __user *tlv); 585 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 586 struct snd_ctl_elem_info *uinfo); 587 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 588 struct snd_ctl_elem_value *ucontrol); 589 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 590 struct snd_ctl_elem_value *ucontrol); 591 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 592 struct snd_ctl_elem_value *ucontrol); 593 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 594 struct snd_ctl_elem_value *ucontrol); 595 596 enum snd_soc_trigger_order { 597 /* start stop */ 598 SND_SOC_TRIGGER_ORDER_DEFAULT = 0, /* Link->Component->DAI DAI->Component->Link */ 599 SND_SOC_TRIGGER_ORDER_LDC, /* Link->DAI->Component Component->DAI->Link */ 600 601 SND_SOC_TRIGGER_ORDER_MAX, 602 }; 603 604 /* SoC PCM stream information */ 605 struct snd_soc_pcm_stream { 606 const char *stream_name; 607 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 608 u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */ 609 unsigned int rates; /* SNDRV_PCM_RATE_* */ 610 unsigned int rate_min; /* min rate */ 611 unsigned int rate_max; /* max rate */ 612 unsigned int channels_min; /* min channels */ 613 unsigned int channels_max; /* max channels */ 614 unsigned int sig_bits; /* number of bits of content */ 615 }; 616 617 /* SoC audio ops */ 618 struct snd_soc_ops { 619 int (*startup)(struct snd_pcm_substream *); 620 void (*shutdown)(struct snd_pcm_substream *); 621 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 622 int (*hw_free)(struct snd_pcm_substream *); 623 int (*prepare)(struct snd_pcm_substream *); 624 int (*trigger)(struct snd_pcm_substream *, int); 625 }; 626 627 struct snd_soc_compr_ops { 628 int (*startup)(struct snd_compr_stream *); 629 void (*shutdown)(struct snd_compr_stream *); 630 int (*set_params)(struct snd_compr_stream *); 631 }; 632 633 struct snd_soc_component* 634 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 635 const char *driver_name); 636 637 struct snd_soc_dai_link_component { 638 const char *name; 639 struct device_node *of_node; 640 const char *dai_name; 641 const struct of_phandle_args *dai_args; 642 643 /* 644 * Extra format = SND_SOC_DAIFMT_Bx_Fx 645 * 646 * [Note] it is Bx_Fx base, not CBx_CFx 647 * 648 * It will be used with dai_link->dai_fmt 649 * see 650 * snd_soc_runtime_set_dai_fmt() 651 */ 652 unsigned int ext_fmt; 653 }; 654 655 /* 656 * [dai_link->ch_maps Image sample] 657 * 658 *------------------------- 659 * CPU0 <---> Codec0 660 * 661 * ch-map[0].cpu = 0 ch-map[0].codec = 0 662 * 663 *------------------------- 664 * CPU0 <---> Codec0 665 * CPU1 <---> Codec1 666 * CPU2 <---> Codec2 667 * 668 * ch-map[0].cpu = 0 ch-map[0].codec = 0 669 * ch-map[1].cpu = 1 ch-map[1].codec = 1 670 * ch-map[2].cpu = 2 ch-map[2].codec = 2 671 * 672 *------------------------- 673 * CPU0 <---> Codec0 674 * CPU1 <-+-> Codec1 675 * CPU2 <-/ 676 * 677 * ch-map[0].cpu = 0 ch-map[0].codec = 0 678 * ch-map[1].cpu = 1 ch-map[1].codec = 1 679 * ch-map[2].cpu = 2 ch-map[2].codec = 1 680 * 681 *------------------------- 682 * CPU0 <---> Codec0 683 * CPU1 <-+-> Codec1 684 * \-> Codec2 685 * 686 * ch-map[0].cpu = 0 ch-map[0].codec = 0 687 * ch-map[1].cpu = 1 ch-map[1].codec = 1 688 * ch-map[2].cpu = 1 ch-map[2].codec = 2 689 * 690 */ 691 struct snd_soc_dai_link_ch_map { 692 unsigned int cpu; 693 unsigned int codec; 694 unsigned int ch_mask; 695 }; 696 697 struct snd_soc_dai_link { 698 /* config - must be set by machine driver */ 699 const char *name; /* Codec name */ 700 const char *stream_name; /* Stream name */ 701 702 /* 703 * You MAY specify the link's CPU-side device, either by device name, 704 * or by DT/OF node, but not both. If this information is omitted, 705 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 706 * must be globally unique. These fields are currently typically used 707 * only for codec to codec links, or systems using device tree. 708 */ 709 /* 710 * You MAY specify the DAI name of the CPU DAI. If this information is 711 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 712 * only, which only works well when that device exposes a single DAI. 713 */ 714 struct snd_soc_dai_link_component *cpus; 715 unsigned int num_cpus; 716 717 /* 718 * You MUST specify the link's codec, either by device name, or by 719 * DT/OF node, but not both. 720 */ 721 /* You MUST specify the DAI name within the codec */ 722 struct snd_soc_dai_link_component *codecs; 723 unsigned int num_codecs; 724 725 /* num_ch_maps = max(num_cpu, num_codecs) */ 726 struct snd_soc_dai_link_ch_map *ch_maps; 727 728 /* 729 * You MAY specify the link's platform/PCM/DMA driver, either by 730 * device name, or by DT/OF node, but not both. Some forms of link 731 * do not need a platform. In such case, platforms are not mandatory. 732 */ 733 struct snd_soc_dai_link_component *platforms; 734 unsigned int num_platforms; 735 736 int id; /* optional ID for machine driver link identification */ 737 738 /* 739 * for Codec2Codec 740 */ 741 const struct snd_soc_pcm_stream *c2c_params; 742 unsigned int num_c2c_params; 743 744 unsigned int dai_fmt; /* format to set on init */ 745 746 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 747 748 /* codec/machine specific init - e.g. add machine controls */ 749 int (*init)(struct snd_soc_pcm_runtime *rtd); 750 751 /* codec/machine specific exit - dual of init() */ 752 void (*exit)(struct snd_soc_pcm_runtime *rtd); 753 754 /* optional hw_params re-writing for BE and FE sync */ 755 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 756 struct snd_pcm_hw_params *params); 757 758 /* machine stream operations */ 759 const struct snd_soc_ops *ops; 760 const struct snd_soc_compr_ops *compr_ops; 761 762 /* 763 * soc_pcm_trigger() start/stop sequence. 764 * see also 765 * snd_soc_component_driver 766 * soc_pcm_trigger() 767 */ 768 enum snd_soc_trigger_order trigger_start; 769 enum snd_soc_trigger_order trigger_stop; 770 771 /* Mark this pcm with non atomic ops */ 772 unsigned int nonatomic:1; 773 774 /* For unidirectional dai links */ 775 unsigned int playback_only:1; 776 unsigned int capture_only:1; 777 778 /* Keep DAI active over suspend */ 779 unsigned int ignore_suspend:1; 780 781 /* Symmetry requirements */ 782 unsigned int symmetric_rate:1; 783 unsigned int symmetric_channels:1; 784 unsigned int symmetric_sample_bits:1; 785 786 /* Do not create a PCM for this DAI link (Backend link) */ 787 unsigned int no_pcm:1; 788 789 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 790 unsigned int dynamic:1; 791 792 /* DPCM used FE & BE merged format */ 793 unsigned int dpcm_merged_format:1; 794 /* DPCM used FE & BE merged channel */ 795 unsigned int dpcm_merged_chan:1; 796 /* DPCM used FE & BE merged rate */ 797 unsigned int dpcm_merged_rate:1; 798 799 /* pmdown_time is ignored at stop */ 800 unsigned int ignore_pmdown_time:1; 801 802 /* Do not create a PCM for this DAI link (Backend link) */ 803 unsigned int ignore:1; 804 805 #ifdef CONFIG_SND_SOC_TOPOLOGY 806 struct snd_soc_dobj dobj; /* For topology */ 807 #endif 808 }; 809 810 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link) 811 { 812 return max(link->num_cpus, link->num_codecs); 813 } 814 815 static inline struct snd_soc_dai_link_component* 816 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) { 817 return &(link)->cpus[n]; 818 } 819 820 static inline struct snd_soc_dai_link_component* 821 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) { 822 return &(link)->codecs[n]; 823 } 824 825 static inline struct snd_soc_dai_link_component* 826 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { 827 return &(link)->platforms[n]; 828 } 829 830 #define for_each_link_codecs(link, i, codec) \ 831 for ((i) = 0; \ 832 ((i) < link->num_codecs) && \ 833 ((codec) = snd_soc_link_to_codec(link, i)); \ 834 (i)++) 835 836 #define for_each_link_platforms(link, i, platform) \ 837 for ((i) = 0; \ 838 ((i) < link->num_platforms) && \ 839 ((platform) = snd_soc_link_to_platform(link, i)); \ 840 (i)++) 841 842 #define for_each_link_cpus(link, i, cpu) \ 843 for ((i) = 0; \ 844 ((i) < link->num_cpus) && \ 845 ((cpu) = snd_soc_link_to_cpu(link, i)); \ 846 (i)++) 847 848 #define for_each_link_ch_maps(link, i, ch_map) \ 849 for ((i) = 0; \ 850 ((i) < snd_soc_link_num_ch_map(link) && \ 851 ((ch_map) = link->ch_maps + i)); \ 852 (i)++) 853 854 /* 855 * Sample 1 : Single CPU/Codec/Platform 856 * 857 * SND_SOC_DAILINK_DEFS(test, 858 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 859 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 860 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 861 * 862 * struct snd_soc_dai_link link = { 863 * ... 864 * SND_SOC_DAILINK_REG(test), 865 * }; 866 * 867 * Sample 2 : Multi CPU/Codec, no Platform 868 * 869 * SND_SOC_DAILINK_DEFS(test, 870 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 871 * COMP_CPU("cpu_dai2")), 872 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 873 * COMP_CODEC("codec2", "codec_dai2"))); 874 * 875 * struct snd_soc_dai_link link = { 876 * ... 877 * SND_SOC_DAILINK_REG(test), 878 * }; 879 * 880 * Sample 3 : Define each CPU/Codec/Platform manually 881 * 882 * SND_SOC_DAILINK_DEF(test_cpu, 883 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 884 * COMP_CPU("cpu_dai2"))); 885 * SND_SOC_DAILINK_DEF(test_codec, 886 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 887 * COMP_CODEC("codec2", "codec_dai2"))); 888 * SND_SOC_DAILINK_DEF(test_platform, 889 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 890 * 891 * struct snd_soc_dai_link link = { 892 * ... 893 * SND_SOC_DAILINK_REG(test_cpu, 894 * test_codec, 895 * test_platform), 896 * }; 897 * 898 * Sample 4 : Sample3 without platform 899 * 900 * struct snd_soc_dai_link link = { 901 * ... 902 * SND_SOC_DAILINK_REG(test_cpu, 903 * test_codec); 904 * }; 905 */ 906 907 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 908 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 909 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 910 .cpus = cpu, \ 911 .num_cpus = ARRAY_SIZE(cpu), \ 912 .codecs = codec, \ 913 .num_codecs = ARRAY_SIZE(codec), \ 914 .platforms = platform, \ 915 .num_platforms = ARRAY_SIZE(platform) 916 917 #define SND_SOC_DAILINK_REG(...) \ 918 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__) 919 920 #define SND_SOC_DAILINK_DEF(name, def...) \ 921 static struct snd_soc_dai_link_component name[] = { def } 922 923 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 924 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 925 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 926 SND_SOC_DAILINK_DEF(name##_platforms, platform) 927 928 #define DAILINK_COMP_ARRAY(param...) param 929 #define COMP_EMPTY() { } 930 #define COMP_CPU(_dai) { .dai_name = _dai, } 931 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 932 #define COMP_PLATFORM(_name) { .name = _name } 933 #define COMP_AUX(_name) { .name = _name } 934 #define COMP_CODEC_CONF(_name) { .name = _name } 935 #define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */ 936 937 extern struct snd_soc_dai_link_component null_dailink_component[0]; 938 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; 939 940 941 struct snd_soc_codec_conf { 942 /* 943 * specify device either by device name, or by 944 * DT/OF node, but not both. 945 */ 946 struct snd_soc_dai_link_component dlc; 947 948 /* 949 * optional map of kcontrol, widget and path name prefixes that are 950 * associated per device 951 */ 952 const char *name_prefix; 953 }; 954 955 struct snd_soc_aux_dev { 956 /* 957 * specify multi-codec either by device name, or by 958 * DT/OF node, but not both. 959 */ 960 struct snd_soc_dai_link_component dlc; 961 962 /* codec/machine specific init - e.g. add machine controls */ 963 int (*init)(struct snd_soc_component *component); 964 }; 965 966 /* SoC card */ 967 struct snd_soc_card { 968 const char *name; 969 const char *long_name; 970 const char *driver_name; 971 const char *components; 972 #ifdef CONFIG_DMI 973 char dmi_longname[80]; 974 #endif /* CONFIG_DMI */ 975 976 #ifdef CONFIG_PCI 977 /* 978 * PCI does not define 0 as invalid, so pci_subsystem_set indicates 979 * whether a value has been written to these fields. 980 */ 981 unsigned short pci_subsystem_vendor; 982 unsigned short pci_subsystem_device; 983 bool pci_subsystem_set; 984 #endif /* CONFIG_PCI */ 985 986 char topology_shortname[32]; 987 988 struct device *dev; 989 struct snd_card *snd_card; 990 struct module *owner; 991 992 struct mutex mutex; 993 struct mutex dapm_mutex; 994 995 /* Mutex for PCM operations */ 996 struct mutex pcm_mutex; 997 enum snd_soc_pcm_subclass pcm_subclass; 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 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1133 struct snd_soc_pcm_runtime { 1134 struct device *dev; 1135 struct snd_soc_card *card; 1136 struct snd_soc_dai_link *dai_link; 1137 struct snd_pcm_ops ops; 1138 1139 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */ 1140 1141 /* Dynamic PCM BE runtime data */ 1142 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1]; 1143 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1]; 1144 1145 long pmdown_time; 1146 1147 /* runtime devices */ 1148 struct snd_pcm *pcm; 1149 struct snd_compr *compr; 1150 1151 /* 1152 * dais = cpu_dai + codec_dai 1153 * see 1154 * soc_new_pcm_runtime() 1155 * snd_soc_rtd_to_cpu() 1156 * snd_soc_rtd_to_codec() 1157 */ 1158 struct snd_soc_dai **dais; 1159 1160 struct delayed_work delayed_work; 1161 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd); 1162 #ifdef CONFIG_DEBUG_FS 1163 struct dentry *debugfs_dpcm_root; 1164 #endif 1165 1166 unsigned int id; /* 0-based and monotonic increasing */ 1167 struct list_head list; /* rtd list of the soc card */ 1168 1169 /* function mark */ 1170 struct snd_pcm_substream *mark_startup; 1171 struct snd_pcm_substream *mark_hw_params; 1172 struct snd_pcm_substream *mark_trigger; 1173 struct snd_compr_stream *mark_compr_startup; 1174 1175 /* bit field */ 1176 unsigned int pop_wait:1; 1177 unsigned int fe_compr:1; /* for Dynamic PCM */ 1178 unsigned int initialized:1; 1179 1180 /* CPU/Codec/Platform */ 1181 int num_components; 1182 struct snd_soc_component *components[] __counted_by(num_components); 1183 }; 1184 1185 /* see soc_new_pcm_runtime() */ 1186 #define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n] 1187 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus] 1188 1189 static inline struct snd_soc_pcm_runtime * 1190 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream) 1191 { 1192 return snd_pcm_substream_chip(substream); 1193 } 1194 1195 #define for_each_rtd_components(rtd, i, component) \ 1196 for ((i) = 0, component = NULL; \ 1197 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\ 1198 (i)++) 1199 #define for_each_rtd_cpu_dais(rtd, i, dai) \ 1200 for ((i) = 0; \ 1201 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \ 1202 (i)++) 1203 #define for_each_rtd_codec_dais(rtd, i, dai) \ 1204 for ((i) = 0; \ 1205 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \ 1206 (i)++) 1207 #define for_each_rtd_dais(rtd, i, dai) \ 1208 for ((i) = 0; \ 1209 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \ 1210 ((dai) = (rtd)->dais[i]); \ 1211 (i)++) 1212 #define for_each_rtd_dais_reverse(rtd, i, dai) \ 1213 for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \ 1214 (i) >= 0 && ((dai) = (rtd)->dais[i]); \ 1215 (i)--) 1216 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps) 1217 1218 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); 1219 1220 /* mixer control */ 1221 struct soc_mixer_control { 1222 /* Minimum and maximum specified as written to the hardware */ 1223 int min, max; 1224 /* Limited maximum value specified as presented through the control */ 1225 int platform_max; 1226 int reg, rreg; 1227 unsigned int shift, rshift; 1228 u32 num_channels; 1229 unsigned int sign_bit; 1230 unsigned int invert:1; 1231 unsigned int autodisable:1; 1232 #ifdef CONFIG_SND_SOC_TOPOLOGY 1233 struct snd_soc_dobj dobj; 1234 #endif 1235 }; 1236 1237 struct soc_bytes { 1238 int base; 1239 int num_regs; 1240 u32 mask; 1241 }; 1242 1243 struct soc_bytes_ext { 1244 int max; 1245 #ifdef CONFIG_SND_SOC_TOPOLOGY 1246 struct snd_soc_dobj dobj; 1247 #endif 1248 /* used for TLV byte control */ 1249 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1250 unsigned int size); 1251 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1252 unsigned int size); 1253 }; 1254 1255 /* multi register control */ 1256 struct soc_mreg_control { 1257 long min, max; 1258 unsigned int regbase, regcount, nbits, invert; 1259 }; 1260 1261 /* enumerated kcontrol */ 1262 struct soc_enum { 1263 int reg; 1264 unsigned char shift_l; 1265 unsigned char shift_r; 1266 unsigned int items; 1267 unsigned int mask; 1268 const char * const *texts; 1269 const unsigned int *values; 1270 unsigned int autodisable:1; 1271 #ifdef CONFIG_SND_SOC_TOPOLOGY 1272 struct snd_soc_dobj dobj; 1273 #endif 1274 }; 1275 1276 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc) 1277 { 1278 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1279 return false; 1280 /* 1281 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1282 * mc->reg != mc->rreg means that the control is 1283 * stereo (bits in one register or in two registers) 1284 */ 1285 return true; 1286 } 1287 1288 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e, 1289 unsigned int val) 1290 { 1291 unsigned int i; 1292 1293 if (!e->values) 1294 return val; 1295 1296 for (i = 0; i < e->items; i++) 1297 if (val == e->values[i]) 1298 return i; 1299 1300 return 0; 1301 } 1302 1303 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e, 1304 unsigned int item) 1305 { 1306 if (!e->values) 1307 return item; 1308 1309 return e->values[item]; 1310 } 1311 1312 /** 1313 * snd_soc_kcontrol_component() - Returns the component that registered the 1314 * control 1315 * @kcontrol: The control for which to get the component 1316 * 1317 * Note: This function will work correctly if the control has been registered 1318 * for a component. With snd_soc_add_codec_controls() or via table based 1319 * setup for either a CODEC or component driver. Otherwise the behavior is 1320 * undefined. 1321 */ 1322 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1323 struct snd_kcontrol *kcontrol) 1324 { 1325 return snd_kcontrol_chip(kcontrol); 1326 } 1327 1328 int snd_soc_util_init(void); 1329 void snd_soc_util_exit(void); 1330 1331 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1332 const char *propname); 1333 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1334 const char *propname); 1335 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop); 1336 int snd_soc_of_get_slot_mask(struct device_node *np, 1337 const char *prop_name, 1338 unsigned int *mask); 1339 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1340 unsigned int *tx_mask, 1341 unsigned int *rx_mask, 1342 unsigned int *slots, 1343 unsigned int *slot_width); 1344 void snd_soc_of_parse_node_prefix(struct device_node *np, 1345 struct snd_soc_codec_conf *codec_conf, 1346 struct device_node *of_node, 1347 const char *propname); 1348 static inline 1349 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1350 struct snd_soc_codec_conf *codec_conf, 1351 struct device_node *of_node, 1352 const char *propname) 1353 { 1354 snd_soc_of_parse_node_prefix(card->dev->of_node, 1355 codec_conf, of_node, propname); 1356 } 1357 1358 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1359 const char *propname); 1360 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); 1361 1362 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt); 1363 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); 1364 1365 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); 1366 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, 1367 const char *prefix, 1368 struct device_node **bitclkmaster, 1369 struct device_node **framemaster); 1370 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \ 1371 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL) 1372 #define snd_soc_daifmt_parse_clock_provider_as_phandle \ 1373 snd_soc_daifmt_parse_clock_provider_raw 1374 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \ 1375 snd_soc_daifmt_clock_provider_from_bitmap( \ 1376 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) 1377 1378 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream); 1379 int snd_soc_get_dlc(const struct of_phandle_args *args, 1380 struct snd_soc_dai_link_component *dlc); 1381 int snd_soc_of_get_dlc(struct device_node *of_node, 1382 struct of_phandle_args *args, 1383 struct snd_soc_dai_link_component *dlc, 1384 int index); 1385 int snd_soc_get_dai_id(struct device_node *ep); 1386 int snd_soc_get_dai_name(const struct of_phandle_args *args, 1387 const char **dai_name); 1388 int snd_soc_of_get_dai_name(struct device_node *of_node, 1389 const char **dai_name, int index); 1390 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1391 struct device_node *of_node, 1392 struct snd_soc_dai_link *dai_link); 1393 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1394 int snd_soc_of_get_dai_link_cpus(struct device *dev, 1395 struct device_node *of_node, 1396 struct snd_soc_dai_link *dai_link); 1397 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link); 1398 1399 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card, 1400 struct snd_soc_dai_link *dai_link, 1401 int num_dai_link); 1402 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, 1403 struct snd_soc_pcm_runtime *rtd); 1404 1405 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, 1406 struct snd_soc_dai_link_component *cpus); 1407 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, 1408 const struct of_phandle_args *args); 1409 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args); 1410 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, 1411 struct snd_soc_dai_driver *dai_drv, 1412 bool legacy_dai_naming); 1413 void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1414 1415 struct snd_soc_dai *snd_soc_find_dai( 1416 const struct snd_soc_dai_link_component *dlc); 1417 struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1418 const struct snd_soc_dai_link_component *dlc); 1419 1420 #include <sound/soc-dai.h> 1421 1422 static inline 1423 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1424 const char *platform_name) 1425 { 1426 struct snd_soc_dai_link *dai_link; 1427 const char *name; 1428 int i; 1429 1430 if (!platform_name) /* nothing to do */ 1431 return 0; 1432 1433 /* set platform name for each dailink */ 1434 for_each_card_prelinks(card, i, dai_link) { 1435 /* only single platform is supported for now */ 1436 if (dai_link->num_platforms != 1) 1437 return -EINVAL; 1438 1439 if (!dai_link->platforms) 1440 return -EINVAL; 1441 1442 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1443 if (!name) 1444 return -ENOMEM; 1445 1446 /* only single platform is supported for now */ 1447 dai_link->platforms->name = name; 1448 } 1449 1450 return 0; 1451 } 1452 1453 #ifdef CONFIG_DEBUG_FS 1454 extern struct dentry *snd_soc_debugfs_root; 1455 #endif 1456 1457 extern const struct dev_pm_ops snd_soc_pm_ops; 1458 1459 /* 1460 * DAPM helper functions 1461 */ 1462 enum snd_soc_dapm_subclass { 1463 SND_SOC_DAPM_CLASS_ROOT = 0, 1464 SND_SOC_DAPM_CLASS_RUNTIME = 1, 1465 }; 1466 1467 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) 1468 { 1469 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); 1470 } 1471 1472 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) 1473 { 1474 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1475 } 1476 1477 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) 1478 { 1479 mutex_unlock(&card->dapm_mutex); 1480 } 1481 1482 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) 1483 { 1484 lockdep_assert_held(&card->dapm_mutex); 1485 } 1486 1487 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) 1488 { 1489 _snd_soc_dapm_mutex_lock_root_c(dapm->card); 1490 } 1491 1492 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) 1493 { 1494 _snd_soc_dapm_mutex_lock_c(dapm->card); 1495 } 1496 1497 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) 1498 { 1499 _snd_soc_dapm_mutex_unlock_c(dapm->card); 1500 } 1501 1502 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) 1503 { 1504 _snd_soc_dapm_mutex_assert_held_c(dapm->card); 1505 } 1506 1507 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ 1508 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ 1509 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) 1510 #define snd_soc_dapm_mutex_lock(x) _Generic((x), \ 1511 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ 1512 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) 1513 #define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ 1514 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ 1515 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) 1516 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ 1517 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ 1518 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) 1519 1520 /* 1521 * PCM helper functions 1522 */ 1523 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) 1524 { 1525 mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass); 1526 } 1527 1528 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) 1529 { 1530 mutex_unlock(&card->pcm_mutex); 1531 } 1532 1533 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) 1534 { 1535 lockdep_assert_held(&card->pcm_mutex); 1536 } 1537 1538 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) 1539 { 1540 _snd_soc_dpcm_mutex_lock_c(rtd->card); 1541 } 1542 1543 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) 1544 { 1545 _snd_soc_dpcm_mutex_unlock_c(rtd->card); 1546 } 1547 1548 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) 1549 { 1550 _snd_soc_dpcm_mutex_assert_held_c(rtd->card); 1551 } 1552 1553 #define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ 1554 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ 1555 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) 1556 1557 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ 1558 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ 1559 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) 1560 1561 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ 1562 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ 1563 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) 1564 1565 #include <sound/soc-component.h> 1566 #include <sound/soc-card.h> 1567 #include <sound/soc-jack.h> 1568 1569 #endif 1570