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_soc_card; 398 struct snd_soc_pcm_runtime; 399 struct snd_soc_dai; 400 struct snd_soc_dai_driver; 401 struct snd_soc_dai_link; 402 struct snd_soc_component; 403 struct snd_soc_component_driver; 404 struct snd_soc_jack; 405 struct snd_soc_jack_pin; 406 407 #include <sound/soc-dapm.h> 408 #include <sound/soc-dpcm.h> 409 #include <sound/soc-topology.h> 410 411 enum snd_soc_pcm_subclass { 412 SND_SOC_PCM_CLASS_PCM = 0, 413 SND_SOC_PCM_CLASS_BE = 1, 414 }; 415 416 int snd_soc_register_card(struct snd_soc_card *card); 417 void snd_soc_unregister_card(struct snd_soc_card *card); 418 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 419 int devm_snd_soc_register_deferrable_card(struct device *dev, struct snd_soc_card *card); 420 #ifdef CONFIG_PM_SLEEP 421 int snd_soc_suspend(struct device *dev); 422 int snd_soc_resume(struct device *dev); 423 #else 424 static inline int snd_soc_suspend(struct device *dev) 425 { 426 return 0; 427 } 428 429 static inline int snd_soc_resume(struct device *dev) 430 { 431 return 0; 432 } 433 #endif 434 int snd_soc_poweroff(struct device *dev); 435 int snd_soc_component_initialize(struct snd_soc_component *component, 436 const struct snd_soc_component_driver *driver, 437 struct device *dev); 438 int snd_soc_add_component(struct snd_soc_component *component, 439 struct snd_soc_dai_driver *dai_drv, 440 int num_dai); 441 int snd_soc_register_component(struct device *dev, 442 const struct snd_soc_component_driver *component_driver, 443 struct snd_soc_dai_driver *dai_drv, int num_dai); 444 int devm_snd_soc_register_component(struct device *dev, 445 const struct snd_soc_component_driver *component_driver, 446 struct snd_soc_dai_driver *dai_drv, int num_dai); 447 #define snd_soc_unregister_component(dev) snd_soc_unregister_component_by_driver(dev, NULL) 448 void snd_soc_unregister_component_by_driver(struct device *dev, 449 const struct snd_soc_component_driver *component_driver); 450 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, 451 const char *driver_name); 452 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 453 const char *driver_name); 454 455 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd); 456 #ifdef CONFIG_SND_SOC_COMPRESS 457 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd); 458 #else 459 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd) 460 { 461 return 0; 462 } 463 #endif 464 465 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 466 struct snd_soc_dai_link *dai_link); 467 468 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 469 470 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd, 471 int stream, int action); 472 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, 473 int stream) 474 { 475 snd_soc_runtime_action(rtd, stream, 1); 476 } 477 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, 478 int stream) 479 { 480 snd_soc_runtime_action(rtd, stream, -1); 481 } 482 483 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, 484 struct snd_pcm_hardware *hw, int stream); 485 486 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 487 unsigned int dai_fmt); 488 489 /* Utility functions to get clock rates from various things */ 490 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 491 int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params); 492 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 493 int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms); 494 int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params, 495 int tdm_width, int tdm_slots, int slot_multiple); 496 int snd_soc_ret(const struct device *dev, int ret, const char *fmt, ...); 497 498 /* set runtime hw params */ 499 static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 500 const struct snd_pcm_hardware *hw) 501 { 502 substream->runtime->hw = *hw; 503 504 return 0; 505 } 506 507 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 508 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 509 unsigned int id, unsigned int id_mask); 510 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 511 512 #ifdef CONFIG_SND_SOC_AC97_BUS 513 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 514 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 515 struct platform_device *pdev); 516 517 extern struct snd_ac97_bus_ops *soc_ac97_ops; 518 #else 519 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 520 struct platform_device *pdev) 521 { 522 return 0; 523 } 524 525 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 526 { 527 return 0; 528 } 529 #endif 530 531 /* 532 *Controls 533 */ 534 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 535 void *data, const char *long_name, 536 const char *prefix); 537 int snd_soc_add_component_controls(struct snd_soc_component *component, 538 const struct snd_kcontrol_new *controls, unsigned int num_controls); 539 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 540 const struct snd_kcontrol_new *controls, int num_controls); 541 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 542 const struct snd_kcontrol_new *controls, int num_controls); 543 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 544 struct snd_ctl_elem_info *uinfo); 545 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 546 struct snd_ctl_elem_value *ucontrol); 547 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 548 struct snd_ctl_elem_value *ucontrol); 549 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 550 struct snd_ctl_elem_info *uinfo); 551 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 552 struct snd_ctl_elem_info *uinfo); 553 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 554 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 555 struct snd_ctl_elem_value *ucontrol); 556 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 557 struct snd_ctl_elem_value *ucontrol); 558 #define snd_soc_get_volsw_2r snd_soc_get_volsw 559 #define snd_soc_put_volsw_2r snd_soc_put_volsw 560 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 561 struct snd_ctl_elem_value *ucontrol); 562 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 563 struct snd_ctl_elem_value *ucontrol); 564 int snd_soc_limit_volume(struct snd_soc_card *card, 565 const char *name, int max); 566 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 567 struct snd_ctl_elem_info *uinfo); 568 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 569 struct snd_ctl_elem_value *ucontrol); 570 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 571 struct snd_ctl_elem_value *ucontrol); 572 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 573 struct snd_ctl_elem_info *ucontrol); 574 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 575 unsigned int size, unsigned int __user *tlv); 576 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 577 struct snd_ctl_elem_info *uinfo); 578 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 579 struct snd_ctl_elem_value *ucontrol); 580 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 581 struct snd_ctl_elem_value *ucontrol); 582 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 583 struct snd_ctl_elem_value *ucontrol); 584 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 585 struct snd_ctl_elem_value *ucontrol); 586 587 enum snd_soc_trigger_order { 588 /* start stop */ 589 SND_SOC_TRIGGER_ORDER_DEFAULT = 0, /* Link->Component->DAI DAI->Component->Link */ 590 SND_SOC_TRIGGER_ORDER_LDC, /* Link->DAI->Component Component->DAI->Link */ 591 592 SND_SOC_TRIGGER_ORDER_MAX, 593 }; 594 595 /* SoC PCM stream information */ 596 struct snd_soc_pcm_stream { 597 const char *stream_name; 598 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 599 u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */ 600 unsigned int rates; /* SNDRV_PCM_RATE_* */ 601 unsigned int rate_min; /* min rate */ 602 unsigned int rate_max; /* max rate */ 603 unsigned int channels_min; /* min channels */ 604 unsigned int channels_max; /* max channels */ 605 unsigned int sig_bits; /* number of bits of content */ 606 }; 607 608 /* SoC audio ops */ 609 struct snd_soc_ops { 610 int (*startup)(struct snd_pcm_substream *); 611 void (*shutdown)(struct snd_pcm_substream *); 612 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 613 int (*hw_free)(struct snd_pcm_substream *); 614 int (*prepare)(struct snd_pcm_substream *); 615 int (*trigger)(struct snd_pcm_substream *, int); 616 }; 617 618 struct snd_soc_compr_ops { 619 int (*startup)(struct snd_compr_stream *); 620 void (*shutdown)(struct snd_compr_stream *); 621 int (*set_params)(struct snd_compr_stream *); 622 }; 623 624 struct snd_soc_component* 625 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 626 const char *driver_name); 627 628 struct snd_soc_dai_link_component { 629 const char *name; 630 struct device_node *of_node; 631 const char *dai_name; 632 const struct of_phandle_args *dai_args; 633 634 /* 635 * Extra format = SND_SOC_DAIFMT_Bx_Fx 636 * 637 * [Note] it is Bx_Fx base, not CBx_CFx 638 * 639 * It will be used with dai_link->dai_fmt 640 * see 641 * snd_soc_runtime_set_dai_fmt() 642 */ 643 unsigned int ext_fmt; 644 }; 645 646 /* 647 * [dai_link->ch_maps Image sample] 648 * 649 *------------------------- 650 * CPU0 <---> Codec0 651 * 652 * ch-map[0].cpu = 0 ch-map[0].codec = 0 653 * 654 *------------------------- 655 * CPU0 <---> Codec0 656 * CPU1 <---> Codec1 657 * CPU2 <---> Codec2 658 * 659 * ch-map[0].cpu = 0 ch-map[0].codec = 0 660 * ch-map[1].cpu = 1 ch-map[1].codec = 1 661 * ch-map[2].cpu = 2 ch-map[2].codec = 2 662 * 663 *------------------------- 664 * CPU0 <---> Codec0 665 * CPU1 <-+-> Codec1 666 * CPU2 <-/ 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 = 1 671 * 672 *------------------------- 673 * CPU0 <---> Codec0 674 * CPU1 <-+-> Codec1 675 * \-> Codec2 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 = 1 ch-map[2].codec = 2 680 * 681 */ 682 struct snd_soc_dai_link_ch_map { 683 unsigned int cpu; 684 unsigned int codec; 685 unsigned int ch_mask; 686 }; 687 688 struct snd_soc_dai_link { 689 /* config - must be set by machine driver */ 690 const char *name; /* Codec name */ 691 const char *stream_name; /* Stream name */ 692 693 /* 694 * You MAY specify the link's CPU-side device, either by device name, 695 * or by DT/OF node, but not both. If this information is omitted, 696 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 697 * must be globally unique. These fields are currently typically used 698 * only for codec to codec links, or systems using device tree. 699 */ 700 /* 701 * You MAY specify the DAI name of the CPU DAI. If this information is 702 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 703 * only, which only works well when that device exposes a single DAI. 704 */ 705 struct snd_soc_dai_link_component *cpus; 706 unsigned int num_cpus; 707 708 /* 709 * You MUST specify the link's codec, either by device name, or by 710 * DT/OF node, but not both. 711 */ 712 /* You MUST specify the DAI name within the codec */ 713 struct snd_soc_dai_link_component *codecs; 714 unsigned int num_codecs; 715 716 /* num_ch_maps = max(num_cpu, num_codecs) */ 717 struct snd_soc_dai_link_ch_map *ch_maps; 718 719 /* 720 * You MAY specify the link's platform/PCM/DMA driver, either by 721 * device name, or by DT/OF node, but not both. Some forms of link 722 * do not need a platform. In such case, platforms are not mandatory. 723 */ 724 struct snd_soc_dai_link_component *platforms; 725 unsigned int num_platforms; 726 727 int id; /* optional ID for machine driver link identification */ 728 729 /* 730 * for Codec2Codec 731 */ 732 const struct snd_soc_pcm_stream *c2c_params; 733 unsigned int num_c2c_params; 734 735 unsigned int dai_fmt; /* format to set on init */ 736 737 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 738 739 /* codec/machine specific init - e.g. add machine controls */ 740 int (*init)(struct snd_soc_pcm_runtime *rtd); 741 742 /* codec/machine specific exit - dual of init() */ 743 void (*exit)(struct snd_soc_pcm_runtime *rtd); 744 745 /* optional hw_params re-writing for BE and FE sync */ 746 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 747 struct snd_pcm_hw_params *params); 748 749 /* machine stream operations */ 750 const struct snd_soc_ops *ops; 751 const struct snd_soc_compr_ops *compr_ops; 752 753 /* 754 * soc_pcm_trigger() start/stop sequence. 755 * see also 756 * snd_soc_component_driver 757 * soc_pcm_trigger() 758 */ 759 enum snd_soc_trigger_order trigger_start; 760 enum snd_soc_trigger_order trigger_stop; 761 762 /* Mark this pcm with non atomic ops */ 763 unsigned int nonatomic:1; 764 765 /* For unidirectional dai links */ 766 unsigned int playback_only:1; 767 unsigned int capture_only:1; 768 769 /* Keep DAI active over suspend */ 770 unsigned int ignore_suspend:1; 771 772 /* Symmetry requirements */ 773 unsigned int symmetric_rate:1; 774 unsigned int symmetric_channels:1; 775 unsigned int symmetric_sample_bits:1; 776 777 /* Do not create a PCM for this DAI link (Backend link) */ 778 unsigned int no_pcm:1; 779 780 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 781 unsigned int dynamic:1; 782 783 /* DPCM used FE & BE merged format */ 784 unsigned int dpcm_merged_format:1; 785 /* DPCM used FE & BE merged channel */ 786 unsigned int dpcm_merged_chan:1; 787 /* DPCM used FE & BE merged rate */ 788 unsigned int dpcm_merged_rate:1; 789 790 /* pmdown_time is ignored at stop */ 791 unsigned int ignore_pmdown_time:1; 792 793 /* Do not create a PCM for this DAI link (Backend link) */ 794 unsigned int ignore:1; 795 796 #ifdef CONFIG_SND_SOC_TOPOLOGY 797 struct snd_soc_dobj dobj; /* For topology */ 798 #endif 799 }; 800 801 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link) 802 { 803 return max(link->num_cpus, link->num_codecs); 804 } 805 806 static inline struct snd_soc_dai_link_component* 807 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) { 808 return &(link)->cpus[n]; 809 } 810 811 static inline struct snd_soc_dai_link_component* 812 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) { 813 return &(link)->codecs[n]; 814 } 815 816 static inline struct snd_soc_dai_link_component* 817 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { 818 return &(link)->platforms[n]; 819 } 820 821 #define for_each_link_codecs(link, i, codec) \ 822 for ((i) = 0; \ 823 ((i) < link->num_codecs) && \ 824 ((codec) = snd_soc_link_to_codec(link, i)); \ 825 (i)++) 826 827 #define for_each_link_platforms(link, i, platform) \ 828 for ((i) = 0; \ 829 ((i) < link->num_platforms) && \ 830 ((platform) = snd_soc_link_to_platform(link, i)); \ 831 (i)++) 832 833 #define for_each_link_cpus(link, i, cpu) \ 834 for ((i) = 0; \ 835 ((i) < link->num_cpus) && \ 836 ((cpu) = snd_soc_link_to_cpu(link, i)); \ 837 (i)++) 838 839 #define for_each_link_ch_maps(link, i, ch_map) \ 840 for ((i) = 0; \ 841 ((i) < snd_soc_link_num_ch_map(link) && \ 842 ((ch_map) = link->ch_maps + i)); \ 843 (i)++) 844 845 /* 846 * Sample 1 : Single CPU/Codec/Platform 847 * 848 * SND_SOC_DAILINK_DEFS(test, 849 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 850 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 851 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 852 * 853 * struct snd_soc_dai_link link = { 854 * ... 855 * SND_SOC_DAILINK_REG(test), 856 * }; 857 * 858 * Sample 2 : Multi CPU/Codec, no Platform 859 * 860 * SND_SOC_DAILINK_DEFS(test, 861 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 862 * COMP_CPU("cpu_dai2")), 863 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 864 * COMP_CODEC("codec2", "codec_dai2"))); 865 * 866 * struct snd_soc_dai_link link = { 867 * ... 868 * SND_SOC_DAILINK_REG(test), 869 * }; 870 * 871 * Sample 3 : Define each CPU/Codec/Platform manually 872 * 873 * SND_SOC_DAILINK_DEF(test_cpu, 874 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 875 * COMP_CPU("cpu_dai2"))); 876 * SND_SOC_DAILINK_DEF(test_codec, 877 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 878 * COMP_CODEC("codec2", "codec_dai2"))); 879 * SND_SOC_DAILINK_DEF(test_platform, 880 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 881 * 882 * struct snd_soc_dai_link link = { 883 * ... 884 * SND_SOC_DAILINK_REG(test_cpu, 885 * test_codec, 886 * test_platform), 887 * }; 888 * 889 * Sample 4 : Sample3 without platform 890 * 891 * struct snd_soc_dai_link link = { 892 * ... 893 * SND_SOC_DAILINK_REG(test_cpu, 894 * test_codec); 895 * }; 896 */ 897 898 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 899 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 900 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 901 .cpus = cpu, \ 902 .num_cpus = ARRAY_SIZE(cpu), \ 903 .codecs = codec, \ 904 .num_codecs = ARRAY_SIZE(codec), \ 905 .platforms = platform, \ 906 .num_platforms = ARRAY_SIZE(platform) 907 908 #define SND_SOC_DAILINK_REG(...) \ 909 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__) 910 911 #define SND_SOC_DAILINK_DEF(name, def...) \ 912 static struct snd_soc_dai_link_component name[] = { def } 913 914 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 915 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 916 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 917 SND_SOC_DAILINK_DEF(name##_platforms, platform) 918 919 #define DAILINK_COMP_ARRAY(param...) param 920 #define COMP_EMPTY() { } 921 #define COMP_CPU(_dai) { .dai_name = _dai, } 922 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 923 #define COMP_PLATFORM(_name) { .name = _name } 924 #define COMP_AUX(_name) { .name = _name } 925 #define COMP_CODEC_CONF(_name) { .name = _name } 926 #define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */ 927 928 extern struct snd_soc_dai_link_component null_dailink_component[0]; 929 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; 930 int snd_soc_dlc_is_dummy(struct snd_soc_dai_link_component *dlc); 931 932 struct snd_soc_codec_conf { 933 /* 934 * specify device either by device name, or by 935 * DT/OF node, but not both. 936 */ 937 struct snd_soc_dai_link_component dlc; 938 939 /* 940 * optional map of kcontrol, widget and path name prefixes that are 941 * associated per device 942 */ 943 const char *name_prefix; 944 }; 945 946 struct snd_soc_aux_dev { 947 /* 948 * specify multi-codec either by device name, or by 949 * DT/OF node, but not both. 950 */ 951 struct snd_soc_dai_link_component dlc; 952 953 /* codec/machine specific init - e.g. add machine controls */ 954 int (*init)(struct snd_soc_component *component); 955 }; 956 957 /* SoC card */ 958 struct snd_soc_card { 959 const char *name; 960 const char *long_name; 961 const char *driver_name; 962 const char *components; 963 #ifdef CONFIG_DMI 964 char dmi_longname[80]; 965 #endif /* CONFIG_DMI */ 966 967 #ifdef CONFIG_PCI 968 /* 969 * PCI does not define 0 as invalid, so pci_subsystem_set indicates 970 * whether a value has been written to these fields. 971 */ 972 unsigned short pci_subsystem_vendor; 973 unsigned short pci_subsystem_device; 974 bool pci_subsystem_set; 975 #endif /* CONFIG_PCI */ 976 977 char topology_shortname[32]; 978 979 struct device *dev; 980 struct snd_card *snd_card; 981 struct module *owner; 982 983 struct mutex mutex; 984 struct mutex dapm_mutex; 985 986 /* Mutex for PCM operations */ 987 struct mutex pcm_mutex; 988 enum snd_soc_pcm_subclass pcm_subclass; 989 990 int (*probe)(struct snd_soc_card *card); 991 int (*late_probe)(struct snd_soc_card *card); 992 void (*fixup_controls)(struct snd_soc_card *card); 993 int (*remove)(struct snd_soc_card *card); 994 995 /* the pre and post PM functions are used to do any PM work before and 996 * after the codec and DAI's do any PM work. */ 997 int (*suspend_pre)(struct snd_soc_card *card); 998 int (*suspend_post)(struct snd_soc_card *card); 999 int (*resume_pre)(struct snd_soc_card *card); 1000 int (*resume_post)(struct snd_soc_card *card); 1001 1002 /* callbacks */ 1003 int (*set_bias_level)(struct snd_soc_card *, 1004 struct snd_soc_dapm_context *dapm, 1005 enum snd_soc_bias_level level); 1006 int (*set_bias_level_post)(struct snd_soc_card *, 1007 struct snd_soc_dapm_context *dapm, 1008 enum snd_soc_bias_level level); 1009 1010 int (*add_dai_link)(struct snd_soc_card *, 1011 struct snd_soc_dai_link *link); 1012 void (*remove_dai_link)(struct snd_soc_card *, 1013 struct snd_soc_dai_link *link); 1014 1015 long pmdown_time; 1016 1017 /* CPU <--> Codec DAI links */ 1018 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1019 int num_links; /* predefined links only */ 1020 1021 struct list_head rtd_list; 1022 int num_rtd; 1023 1024 /* optional codec specific configuration */ 1025 struct snd_soc_codec_conf *codec_conf; 1026 int num_configs; 1027 1028 /* 1029 * optional auxiliary devices such as amplifiers or codecs with DAI 1030 * link unused 1031 */ 1032 struct snd_soc_aux_dev *aux_dev; 1033 int num_aux_devs; 1034 struct list_head aux_comp_list; 1035 1036 const struct snd_kcontrol_new *controls; 1037 int num_controls; 1038 1039 /* 1040 * Card-specific routes and widgets. 1041 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1042 */ 1043 const struct snd_soc_dapm_widget *dapm_widgets; 1044 int num_dapm_widgets; 1045 const struct snd_soc_dapm_route *dapm_routes; 1046 int num_dapm_routes; 1047 const struct snd_soc_dapm_widget *of_dapm_widgets; 1048 int num_of_dapm_widgets; 1049 const struct snd_soc_dapm_route *of_dapm_routes; 1050 int num_of_dapm_routes; 1051 1052 /* lists of probed devices belonging to this card */ 1053 struct list_head component_dev_list; 1054 struct list_head list; 1055 1056 struct list_head widgets; 1057 struct list_head paths; 1058 struct list_head dapm_list; 1059 struct list_head dapm_dirty; 1060 1061 /* attached dynamic objects */ 1062 struct list_head dobj_list; 1063 1064 /* Generic DAPM context for the card */ 1065 struct snd_soc_dapm_context dapm; 1066 struct snd_soc_dapm_stats dapm_stats; 1067 1068 #ifdef CONFIG_DEBUG_FS 1069 struct dentry *debugfs_card_root; 1070 #endif 1071 #ifdef CONFIG_PM_SLEEP 1072 struct work_struct deferred_resume_work; 1073 #endif 1074 u32 pop_time; 1075 1076 /* bit field */ 1077 unsigned int instantiated:1; 1078 unsigned int topology_shortname_created:1; 1079 unsigned int fully_routed:1; 1080 unsigned int probed:1; 1081 unsigned int component_chaining:1; 1082 struct device *devres_dev; 1083 1084 void *drvdata; 1085 }; 1086 #define for_each_card_prelinks(card, i, link) \ 1087 for ((i) = 0; \ 1088 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 1089 (i)++) 1090 #define for_each_card_pre_auxs(card, i, aux) \ 1091 for ((i) = 0; \ 1092 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \ 1093 (i)++) 1094 1095 #define for_each_card_rtds(card, rtd) \ 1096 list_for_each_entry(rtd, &(card)->rtd_list, list) 1097 #define for_each_card_rtds_safe(card, rtd, _rtd) \ 1098 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1099 1100 #define for_each_card_auxs(card, component) \ 1101 list_for_each_entry(component, &card->aux_comp_list, card_aux_list) 1102 #define for_each_card_auxs_safe(card, component, _comp) \ 1103 list_for_each_entry_safe(component, _comp, \ 1104 &card->aux_comp_list, card_aux_list) 1105 1106 #define for_each_card_components(card, component) \ 1107 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1108 1109 #define for_each_card_dapms(card, dapm) \ 1110 list_for_each_entry(dapm, &card->dapm_list, list) 1111 1112 #define for_each_card_widgets(card, w)\ 1113 list_for_each_entry(w, &card->widgets, list) 1114 #define for_each_card_widgets_safe(card, w, _w) \ 1115 list_for_each_entry_safe(w, _w, &card->widgets, list) 1116 1117 1118 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card) 1119 { 1120 return card && card->instantiated; 1121 } 1122 1123 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1124 struct snd_soc_pcm_runtime { 1125 struct device *dev; 1126 struct snd_soc_card *card; 1127 struct snd_soc_dai_link *dai_link; 1128 struct snd_pcm_ops ops; 1129 1130 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */ 1131 1132 /* Dynamic PCM BE runtime data */ 1133 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1]; 1134 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1]; 1135 1136 long pmdown_time; 1137 1138 /* runtime devices */ 1139 struct snd_pcm *pcm; 1140 struct snd_compr *compr; 1141 1142 /* 1143 * dais = cpu_dai + codec_dai 1144 * see 1145 * soc_new_pcm_runtime() 1146 * snd_soc_rtd_to_cpu() 1147 * snd_soc_rtd_to_codec() 1148 */ 1149 struct snd_soc_dai **dais; 1150 1151 struct delayed_work delayed_work; 1152 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd); 1153 #ifdef CONFIG_DEBUG_FS 1154 struct dentry *debugfs_dpcm_root; 1155 #endif 1156 1157 unsigned int id; /* 0-based and monotonic increasing */ 1158 struct list_head list; /* rtd list of the soc card */ 1159 1160 /* function mark */ 1161 struct snd_pcm_substream *mark_startup; 1162 struct snd_pcm_substream *mark_hw_params; 1163 struct snd_pcm_substream *mark_trigger; 1164 struct snd_compr_stream *mark_compr_startup; 1165 1166 /* bit field */ 1167 unsigned int pop_wait:1; 1168 unsigned int fe_compr:1; /* for Dynamic PCM */ 1169 unsigned int initialized:1; 1170 1171 /* CPU/Codec/Platform */ 1172 int num_components; 1173 struct snd_soc_component *components[] __counted_by(num_components); 1174 }; 1175 1176 /* see soc_new_pcm_runtime() */ 1177 #define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n] 1178 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus] 1179 1180 static inline struct snd_soc_pcm_runtime * 1181 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream) 1182 { 1183 return snd_pcm_substream_chip(substream); 1184 } 1185 1186 #define for_each_rtd_components(rtd, i, component) \ 1187 for ((i) = 0, component = NULL; \ 1188 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\ 1189 (i)++) 1190 #define for_each_rtd_cpu_dais(rtd, i, dai) \ 1191 for ((i) = 0; \ 1192 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \ 1193 (i)++) 1194 #define for_each_rtd_codec_dais(rtd, i, dai) \ 1195 for ((i) = 0; \ 1196 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \ 1197 (i)++) 1198 #define for_each_rtd_dais(rtd, i, dai) \ 1199 for ((i) = 0; \ 1200 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \ 1201 ((dai) = (rtd)->dais[i]); \ 1202 (i)++) 1203 #define for_each_rtd_dais_reverse(rtd, i, dai) \ 1204 for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \ 1205 (i) >= 0 && ((dai) = (rtd)->dais[i]); \ 1206 (i)--) 1207 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps) 1208 1209 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); 1210 1211 /* mixer control */ 1212 struct soc_mixer_control { 1213 /* Minimum and maximum specified as written to the hardware */ 1214 int min, max; 1215 /* Limited maximum value specified as presented through the control */ 1216 int platform_max; 1217 int reg, rreg; 1218 unsigned int shift, rshift; 1219 u32 num_channels; 1220 unsigned int sign_bit; 1221 unsigned int invert:1; 1222 unsigned int autodisable:1; 1223 #ifdef CONFIG_SND_SOC_TOPOLOGY 1224 struct snd_soc_dobj dobj; 1225 #endif 1226 }; 1227 1228 struct soc_bytes { 1229 int base; 1230 int num_regs; 1231 u32 mask; 1232 }; 1233 1234 struct soc_bytes_ext { 1235 int max; 1236 #ifdef CONFIG_SND_SOC_TOPOLOGY 1237 struct snd_soc_dobj dobj; 1238 #endif 1239 /* used for TLV byte control */ 1240 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1241 unsigned int size); 1242 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1243 unsigned int size); 1244 }; 1245 1246 /* multi register control */ 1247 struct soc_mreg_control { 1248 long min, max; 1249 unsigned int regbase, regcount, nbits, invert; 1250 }; 1251 1252 /* enumerated kcontrol */ 1253 struct soc_enum { 1254 int reg; 1255 unsigned char shift_l; 1256 unsigned char shift_r; 1257 unsigned int items; 1258 unsigned int mask; 1259 const char * const *texts; 1260 const unsigned int *values; 1261 unsigned int autodisable:1; 1262 #ifdef CONFIG_SND_SOC_TOPOLOGY 1263 struct snd_soc_dobj dobj; 1264 #endif 1265 }; 1266 1267 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc) 1268 { 1269 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1270 return false; 1271 /* 1272 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1273 * mc->reg != mc->rreg means that the control is 1274 * stereo (bits in one register or in two registers) 1275 */ 1276 return true; 1277 } 1278 1279 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e, 1280 unsigned int val) 1281 { 1282 unsigned int i; 1283 1284 if (!e->values) 1285 return val; 1286 1287 for (i = 0; i < e->items; i++) 1288 if (val == e->values[i]) 1289 return i; 1290 1291 return 0; 1292 } 1293 1294 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e, 1295 unsigned int item) 1296 { 1297 if (!e->values) 1298 return item; 1299 1300 return e->values[item]; 1301 } 1302 1303 /** 1304 * snd_soc_kcontrol_component() - Returns the component that registered the 1305 * control 1306 * @kcontrol: The control for which to get the component 1307 * 1308 * Note: This function will work correctly if the control has been registered 1309 * for a component. With snd_soc_add_codec_controls() or via table based 1310 * setup for either a CODEC or component driver. Otherwise the behavior is 1311 * undefined. 1312 */ 1313 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1314 struct snd_kcontrol *kcontrol) 1315 { 1316 return snd_kcontrol_chip(kcontrol); 1317 } 1318 1319 int snd_soc_util_init(void); 1320 void snd_soc_util_exit(void); 1321 1322 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1323 const char *propname); 1324 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1325 const char *propname); 1326 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop); 1327 int snd_soc_of_get_slot_mask(struct device_node *np, 1328 const char *prop_name, 1329 unsigned int *mask); 1330 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1331 unsigned int *tx_mask, 1332 unsigned int *rx_mask, 1333 unsigned int *slots, 1334 unsigned int *slot_width); 1335 void snd_soc_of_parse_node_prefix(struct device_node *np, 1336 struct snd_soc_codec_conf *codec_conf, 1337 struct device_node *of_node, 1338 const char *propname); 1339 static inline 1340 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1341 struct snd_soc_codec_conf *codec_conf, 1342 struct device_node *of_node, 1343 const char *propname) 1344 { 1345 snd_soc_of_parse_node_prefix(card->dev->of_node, 1346 codec_conf, of_node, propname); 1347 } 1348 1349 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1350 const char *propname); 1351 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); 1352 1353 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt); 1354 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); 1355 1356 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); 1357 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, 1358 const char *prefix, 1359 struct device_node **bitclkmaster, 1360 struct device_node **framemaster); 1361 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \ 1362 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL) 1363 #define snd_soc_daifmt_parse_clock_provider_as_phandle \ 1364 snd_soc_daifmt_parse_clock_provider_raw 1365 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \ 1366 snd_soc_daifmt_clock_provider_from_bitmap( \ 1367 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) 1368 1369 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream); 1370 int snd_soc_get_dlc(const struct of_phandle_args *args, 1371 struct snd_soc_dai_link_component *dlc); 1372 int snd_soc_of_get_dlc(struct device_node *of_node, 1373 struct of_phandle_args *args, 1374 struct snd_soc_dai_link_component *dlc, 1375 int index); 1376 int snd_soc_get_dai_id(struct device_node *ep); 1377 int snd_soc_get_dai_name(const struct of_phandle_args *args, 1378 const char **dai_name); 1379 int snd_soc_of_get_dai_name(struct device_node *of_node, 1380 const char **dai_name, int index); 1381 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1382 struct device_node *of_node, 1383 struct snd_soc_dai_link *dai_link); 1384 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1385 int snd_soc_of_get_dai_link_cpus(struct device *dev, 1386 struct device_node *of_node, 1387 struct snd_soc_dai_link *dai_link); 1388 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link); 1389 1390 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card, 1391 struct snd_soc_dai_link *dai_link, 1392 int num_dai_link); 1393 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, 1394 struct snd_soc_pcm_runtime *rtd); 1395 1396 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, 1397 struct snd_soc_dai_link_component *cpus); 1398 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, 1399 const struct of_phandle_args *args); 1400 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args); 1401 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, 1402 struct snd_soc_dai_driver *dai_drv, 1403 bool legacy_dai_naming); 1404 void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1405 1406 struct snd_soc_dai *snd_soc_find_dai( 1407 const struct snd_soc_dai_link_component *dlc); 1408 struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1409 const struct snd_soc_dai_link_component *dlc); 1410 1411 #include <sound/soc-dai.h> 1412 1413 static inline 1414 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1415 const char *platform_name) 1416 { 1417 struct snd_soc_dai_link *dai_link; 1418 const char *name; 1419 int i; 1420 1421 if (!platform_name) /* nothing to do */ 1422 return 0; 1423 1424 /* set platform name for each dailink */ 1425 for_each_card_prelinks(card, i, dai_link) { 1426 /* only single platform is supported for now */ 1427 if (dai_link->num_platforms != 1) 1428 return -EINVAL; 1429 1430 if (!dai_link->platforms) 1431 return -EINVAL; 1432 1433 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1434 if (!name) 1435 return -ENOMEM; 1436 1437 /* only single platform is supported for now */ 1438 dai_link->platforms->name = name; 1439 } 1440 1441 return 0; 1442 } 1443 1444 #ifdef CONFIG_DEBUG_FS 1445 extern struct dentry *snd_soc_debugfs_root; 1446 #endif 1447 1448 extern const struct dev_pm_ops snd_soc_pm_ops; 1449 1450 /* 1451 * DAPM helper functions 1452 */ 1453 enum snd_soc_dapm_subclass { 1454 SND_SOC_DAPM_CLASS_ROOT = 0, 1455 SND_SOC_DAPM_CLASS_RUNTIME = 1, 1456 }; 1457 1458 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) 1459 { 1460 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); 1461 } 1462 1463 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) 1464 { 1465 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1466 } 1467 1468 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) 1469 { 1470 mutex_unlock(&card->dapm_mutex); 1471 } 1472 1473 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) 1474 { 1475 lockdep_assert_held(&card->dapm_mutex); 1476 } 1477 1478 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) 1479 { 1480 _snd_soc_dapm_mutex_lock_root_c(dapm->card); 1481 } 1482 1483 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) 1484 { 1485 _snd_soc_dapm_mutex_lock_c(dapm->card); 1486 } 1487 1488 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) 1489 { 1490 _snd_soc_dapm_mutex_unlock_c(dapm->card); 1491 } 1492 1493 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) 1494 { 1495 _snd_soc_dapm_mutex_assert_held_c(dapm->card); 1496 } 1497 1498 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ 1499 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ 1500 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) 1501 #define snd_soc_dapm_mutex_lock(x) _Generic((x), \ 1502 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ 1503 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) 1504 #define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ 1505 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ 1506 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) 1507 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ 1508 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ 1509 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) 1510 1511 /* 1512 * PCM helper functions 1513 */ 1514 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) 1515 { 1516 mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass); 1517 } 1518 1519 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) 1520 { 1521 mutex_unlock(&card->pcm_mutex); 1522 } 1523 1524 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) 1525 { 1526 lockdep_assert_held(&card->pcm_mutex); 1527 } 1528 1529 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) 1530 { 1531 _snd_soc_dpcm_mutex_lock_c(rtd->card); 1532 } 1533 1534 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) 1535 { 1536 _snd_soc_dpcm_mutex_unlock_c(rtd->card); 1537 } 1538 1539 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) 1540 { 1541 _snd_soc_dpcm_mutex_assert_held_c(rtd->card); 1542 } 1543 1544 #define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ 1545 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ 1546 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) 1547 1548 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ 1549 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ 1550 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) 1551 1552 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ 1553 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ 1554 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) 1555 1556 #include <sound/soc-component.h> 1557 #include <sound/soc-card.h> 1558 #include <sound/soc-jack.h> 1559 1560 #endif 1561