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/of.h> 15 #include <linux/platform_device.h> 16 #include <linux/types.h> 17 #include <linux/notifier.h> 18 #include <linux/workqueue.h> 19 #include <linux/interrupt.h> 20 #include <linux/kernel.h> 21 #include <linux/regmap.h> 22 #include <linux/log2.h> 23 #include <sound/core.h> 24 #include <sound/pcm.h> 25 #include <sound/compress_driver.h> 26 #include <sound/control.h> 27 #include <sound/ac97_codec.h> 28 29 /* 30 * Convenience kcontrol builders 31 */ 32 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \ 33 ((unsigned long)&(struct soc_mixer_control) \ 34 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 35 .rshift = shift_right, .max = xmax, \ 36 .invert = xinvert, .autodisable = xautodisable}) 37 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \ 38 ((unsigned long)&(struct soc_mixer_control) \ 39 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 40 .rshift = shift_right, .min = xmin, .max = xmax, \ 41 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable}) 42 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \ 43 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable) 44 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ 45 ((unsigned long)&(struct soc_mixer_control) \ 46 {.reg = xreg, .max = xmax, .invert = xinvert}) 47 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ 48 ((unsigned long)&(struct soc_mixer_control) \ 49 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 50 .max = xmax, .invert = xinvert}) 51 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ 52 ((unsigned long)&(struct soc_mixer_control) \ 53 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 54 .max = xmax, .min = xmin, .sign_bit = xsign_bit, \ 55 .invert = xinvert}) 56 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ 57 ((unsigned long)&(struct soc_mixer_control) \ 58 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 59 .min = xmin, .max = xmax, .invert = xinvert}) 60 #define SOC_SINGLE(xname, reg, shift, max, invert) \ 61 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 62 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 63 .put = snd_soc_put_volsw, \ 64 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 65 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ 66 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 67 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ 68 .put = snd_soc_put_volsw_range, \ 69 .private_value = (unsigned long)&(struct soc_mixer_control) \ 70 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 71 .rshift = xshift, .min = xmin, .max = xmax, \ 72 .invert = xinvert} } 73 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 74 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 75 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 76 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 77 .tlv.p = (tlv_array), \ 78 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 79 .put = snd_soc_put_volsw, \ 80 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 81 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ 82 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 83 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 84 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 85 .tlv.p = (tlv_array),\ 86 .info = snd_soc_info_volsw_sx, \ 87 .get = snd_soc_get_volsw_sx,\ 88 .put = snd_soc_put_volsw_sx, \ 89 .private_value = (unsigned long)&(struct soc_mixer_control) \ 90 {.reg = xreg, .rreg = xreg, \ 91 .shift = xshift, .rshift = xshift, \ 92 .max = xmax, .min = xmin} } 93 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ 94 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 95 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 96 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 97 .tlv.p = (tlv_array), \ 98 .info = snd_soc_info_volsw_range, \ 99 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 100 .private_value = (unsigned long)&(struct soc_mixer_control) \ 101 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 102 .rshift = xshift, .min = xmin, .max = xmax, \ 103 .invert = xinvert} } 104 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ 105 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 106 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 107 .put = snd_soc_put_volsw, \ 108 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 109 max, invert, 0) } 110 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \ 111 { \ 112 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 113 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 114 .access = SNDRV_CTL_ELEM_ACCESS_READ | \ 115 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ 116 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 117 max, invert, 0) } 118 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ 119 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 120 .info = snd_soc_info_volsw, \ 121 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 122 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 123 xmax, xinvert) } 124 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ 125 xmax, xinvert) \ 126 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 127 .info = snd_soc_info_volsw_range, \ 128 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 129 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 130 xshift, xmin, xmax, xinvert) } 131 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ 132 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 133 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 134 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 135 .tlv.p = (tlv_array), \ 136 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 137 .put = snd_soc_put_volsw, \ 138 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 139 max, invert, 0) } 140 #define SOC_DOUBLE_SX_TLV(xname, xreg, shift_left, shift_right, xmin, xmax, tlv_array) \ 141 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 142 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 143 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 144 .tlv.p = (tlv_array), \ 145 .info = snd_soc_info_volsw_sx, \ 146 .get = snd_soc_get_volsw_sx, \ 147 .put = snd_soc_put_volsw_sx, \ 148 .private_value = (unsigned long)&(struct soc_mixer_control) \ 149 {.reg = xreg, .rreg = xreg, \ 150 .shift = shift_left, .rshift = shift_right, \ 151 .max = xmax, .min = xmin} } 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 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_range, \ 168 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 169 .private_value = SOC_DOUBLE_R_RANGE_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 = (unsigned long)&(struct soc_mixer_control) \ 180 {.reg = xreg, .rreg = xrreg, \ 181 .shift = xshift, .rshift = xshift, \ 182 .max = xmax, .min = xmin} } 183 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ 184 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 185 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 186 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 187 .tlv.p = (tlv_array), \ 188 .info = snd_soc_info_volsw, \ 189 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 190 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 191 xmin, xmax, xsign_bit, xinvert) } 192 #define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ 193 SOC_DOUBLE_R_S_TLV(xname, xreg, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) 194 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 195 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 196 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 197 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 198 .tlv.p = (tlv_array), \ 199 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 200 .put = snd_soc_put_volsw, \ 201 .private_value = (unsigned long)&(struct soc_mixer_control) \ 202 {.reg = xreg, .rreg = xreg, \ 203 .min = xmin, .max = xmax, \ 204 .sign_bit = 7,} } 205 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 206 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 207 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 208 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 209 .tlv.p = (tlv_array), \ 210 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 211 .put = snd_soc_put_volsw, \ 212 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) } 213 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ 214 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 215 .items = xitems, .texts = xtexts, \ 216 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} 217 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ 218 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) 219 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ 220 { .items = xitems, .texts = xtexts } 221 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \ 222 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 223 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} 224 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 225 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues) 226 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 227 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \ 228 .mask = xmask, .items = xitems, .texts = xtexts, \ 229 .values = xvalues, .autodisable = 1} 230 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ 231 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) 232 #define SOC_ENUM(xname, xenum) \ 233 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 234 .info = snd_soc_info_enum_double, \ 235 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ 236 .private_value = (unsigned long)&xenum } 237 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ 238 xhandler_get, xhandler_put) \ 239 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 240 .info = snd_soc_info_volsw, \ 241 .get = xhandler_get, .put = xhandler_put, \ 242 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 243 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ 244 xhandler_get, xhandler_put) \ 245 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 246 .info = snd_soc_info_volsw, \ 247 .get = xhandler_get, .put = xhandler_put, \ 248 .private_value = \ 249 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) } 250 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 251 xhandler_get, xhandler_put) \ 252 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 253 .info = snd_soc_info_volsw, \ 254 .get = xhandler_get, .put = xhandler_put, \ 255 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 256 xmax, xinvert) } 257 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ 258 xhandler_get, xhandler_put, tlv_array) \ 259 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 260 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 261 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 262 .tlv.p = (tlv_array), \ 263 .info = snd_soc_info_volsw, \ 264 .get = xhandler_get, .put = xhandler_put, \ 265 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 266 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ 267 xhandler_get, xhandler_put, tlv_array) \ 268 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 269 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 270 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 271 .tlv.p = (tlv_array), \ 272 .info = snd_soc_info_volsw_range, \ 273 .get = xhandler_get, .put = xhandler_put, \ 274 .private_value = (unsigned long)&(struct soc_mixer_control) \ 275 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 276 .rshift = xshift, .min = xmin, .max = xmax, \ 277 .invert = xinvert} } 278 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ 279 xhandler_get, xhandler_put, tlv_array) \ 280 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 281 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 282 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 283 .tlv.p = (tlv_array), \ 284 .info = snd_soc_info_volsw, \ 285 .get = xhandler_get, .put = xhandler_put, \ 286 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 287 xmax, xinvert, 0) } 288 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 289 xhandler_get, xhandler_put, tlv_array) \ 290 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 291 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 292 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 293 .tlv.p = (tlv_array), \ 294 .info = snd_soc_info_volsw, \ 295 .get = xhandler_get, .put = xhandler_put, \ 296 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 297 xmax, xinvert) } 298 #define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \ 299 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 300 tlv_array) \ 301 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 302 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 303 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 304 .tlv.p = (tlv_array), \ 305 .info = snd_soc_info_volsw, \ 306 .get = xhandler_get, .put = xhandler_put, \ 307 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 308 xmin, xmax, xsign_bit, xinvert) } 309 #define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \ 310 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 311 tlv_array) \ 312 SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \ 313 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 314 tlv_array) 315 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 316 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 317 .info = snd_soc_info_bool_ext, \ 318 .get = xhandler_get, .put = xhandler_put, \ 319 .private_value = xdata } 320 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 321 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 322 .info = snd_soc_info_enum_double, \ 323 .get = xhandler_get, .put = xhandler_put, \ 324 .private_value = (unsigned long)&xenum } 325 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 326 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) 327 328 #define SND_SOC_BYTES(xname, xbase, xregs) \ 329 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 330 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 331 .put = snd_soc_bytes_put, .private_value = \ 332 ((unsigned long)&(struct soc_bytes) \ 333 {.base = xbase, .num_regs = xregs }) } 334 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \ 335 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 336 .info = snd_soc_bytes_info, .get = xhandler_get, \ 337 .put = xhandler_put, .private_value = \ 338 ((unsigned long)&(struct soc_bytes) \ 339 {.base = xbase, .num_regs = xregs }) } 340 341 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 342 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 343 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 344 .put = snd_soc_bytes_put, .private_value = \ 345 ((unsigned long)&(struct soc_bytes) \ 346 {.base = xbase, .num_regs = xregs, \ 347 .mask = xmask }) } 348 349 /* 350 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead 351 */ 352 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ 353 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 354 .info = snd_soc_bytes_info_ext, \ 355 .get = xhandler_get, .put = xhandler_put, \ 356 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 357 {.max = xcount} } 358 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ 359 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 360 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ 361 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 362 .tlv.c = (snd_soc_bytes_tlv_callback), \ 363 .info = snd_soc_bytes_info_ext, \ 364 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 365 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } 366 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 367 xmin, xmax, xinvert) \ 368 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 369 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 370 .put = snd_soc_put_xr_sx, \ 371 .private_value = (unsigned long)&(struct soc_mreg_control) \ 372 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 373 .invert = xinvert, .min = xmin, .max = xmax} } 374 375 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 376 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 377 snd_soc_get_strobe, snd_soc_put_strobe) 378 379 /* 380 * Simplified versions of above macros, declaring a struct and calculating 381 * ARRAY_SIZE internally 382 */ 383 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 384 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 385 ARRAY_SIZE(xtexts), xtexts) 386 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 387 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 388 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 389 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 390 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 391 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 392 ARRAY_SIZE(xtexts), xtexts, xvalues) 393 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 394 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 395 396 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 397 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ 398 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) 399 400 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ 401 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) 402 403 struct device_node; 404 struct snd_jack; 405 struct snd_soc_card; 406 struct snd_soc_pcm_stream; 407 struct snd_soc_ops; 408 struct snd_soc_pcm_runtime; 409 struct snd_soc_dai; 410 struct snd_soc_dai_driver; 411 struct snd_soc_dai_link; 412 struct snd_soc_component; 413 struct snd_soc_component_driver; 414 struct soc_enum; 415 struct snd_soc_jack; 416 struct snd_soc_jack_zone; 417 struct snd_soc_jack_pin; 418 #include <sound/soc-dapm.h> 419 #include <sound/soc-dpcm.h> 420 #include <sound/soc-topology.h> 421 422 struct snd_soc_jack_gpio; 423 424 enum snd_soc_pcm_subclass { 425 SND_SOC_PCM_CLASS_PCM = 0, 426 SND_SOC_PCM_CLASS_BE = 1, 427 }; 428 429 int snd_soc_register_card(struct snd_soc_card *card); 430 void snd_soc_unregister_card(struct snd_soc_card *card); 431 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 432 #ifdef CONFIG_PM_SLEEP 433 int snd_soc_suspend(struct device *dev); 434 int snd_soc_resume(struct device *dev); 435 #else 436 static inline int snd_soc_suspend(struct device *dev) 437 { 438 return 0; 439 } 440 441 static inline int snd_soc_resume(struct device *dev) 442 { 443 return 0; 444 } 445 #endif 446 int snd_soc_poweroff(struct device *dev); 447 int snd_soc_component_initialize(struct snd_soc_component *component, 448 const struct snd_soc_component_driver *driver, 449 struct device *dev); 450 int snd_soc_add_component(struct snd_soc_component *component, 451 struct snd_soc_dai_driver *dai_drv, 452 int num_dai); 453 int snd_soc_register_component(struct device *dev, 454 const struct snd_soc_component_driver *component_driver, 455 struct snd_soc_dai_driver *dai_drv, int num_dai); 456 int devm_snd_soc_register_component(struct device *dev, 457 const struct snd_soc_component_driver *component_driver, 458 struct snd_soc_dai_driver *dai_drv, int num_dai); 459 void snd_soc_unregister_component(struct device *dev); 460 void snd_soc_unregister_component_by_driver(struct device *dev, 461 const struct snd_soc_component_driver *component_driver); 462 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, 463 const char *driver_name); 464 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 465 const char *driver_name); 466 467 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 468 #ifdef CONFIG_SND_SOC_COMPRESS 469 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 470 #else 471 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) 472 { 473 return 0; 474 } 475 #endif 476 477 void snd_soc_disconnect_sync(struct device *dev); 478 479 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 480 struct snd_soc_dai_link *dai_link); 481 482 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 483 484 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd, 485 int stream, int action); 486 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, 487 int stream) 488 { 489 snd_soc_runtime_action(rtd, stream, 1); 490 } 491 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, 492 int stream) 493 { 494 snd_soc_runtime_action(rtd, stream, -1); 495 } 496 497 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, 498 struct snd_pcm_hardware *hw, int stream); 499 500 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 501 unsigned int dai_fmt); 502 503 #ifdef CONFIG_DMI 504 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); 505 #else 506 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, 507 const char *flavour) 508 { 509 return 0; 510 } 511 #endif 512 513 /* Utility functions to get clock rates from various things */ 514 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 515 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 516 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 517 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 518 int snd_soc_tdm_params_to_bclk(struct snd_pcm_hw_params *params, 519 int tdm_width, int tdm_slots, int slot_multiple); 520 521 /* set runtime hw params */ 522 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 523 const struct snd_pcm_hardware *hw); 524 525 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 526 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 527 unsigned int id, unsigned int id_mask); 528 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 529 530 #ifdef CONFIG_SND_SOC_AC97_BUS 531 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 532 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 533 struct platform_device *pdev); 534 535 extern struct snd_ac97_bus_ops *soc_ac97_ops; 536 #else 537 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 538 struct platform_device *pdev) 539 { 540 return 0; 541 } 542 543 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 544 { 545 return 0; 546 } 547 #endif 548 549 /* 550 *Controls 551 */ 552 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 553 void *data, const char *long_name, 554 const char *prefix); 555 int snd_soc_add_component_controls(struct snd_soc_component *component, 556 const struct snd_kcontrol_new *controls, unsigned int num_controls); 557 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 558 const struct snd_kcontrol_new *controls, int num_controls); 559 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 560 const struct snd_kcontrol_new *controls, int num_controls); 561 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 562 struct snd_ctl_elem_info *uinfo); 563 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 564 struct snd_ctl_elem_value *ucontrol); 565 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 566 struct snd_ctl_elem_value *ucontrol); 567 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 568 struct snd_ctl_elem_info *uinfo); 569 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 570 struct snd_ctl_elem_info *uinfo); 571 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 572 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 573 struct snd_ctl_elem_value *ucontrol); 574 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 575 struct snd_ctl_elem_value *ucontrol); 576 #define snd_soc_get_volsw_2r snd_soc_get_volsw 577 #define snd_soc_put_volsw_2r snd_soc_put_volsw 578 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 579 struct snd_ctl_elem_value *ucontrol); 580 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 581 struct snd_ctl_elem_value *ucontrol); 582 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 583 struct snd_ctl_elem_info *uinfo); 584 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 585 struct snd_ctl_elem_value *ucontrol); 586 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 587 struct snd_ctl_elem_value *ucontrol); 588 int snd_soc_limit_volume(struct snd_soc_card *card, 589 const char *name, int max); 590 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 591 struct snd_ctl_elem_info *uinfo); 592 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 593 struct snd_ctl_elem_value *ucontrol); 594 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 595 struct snd_ctl_elem_value *ucontrol); 596 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 597 struct snd_ctl_elem_info *ucontrol); 598 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 599 unsigned int size, unsigned int __user *tlv); 600 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 601 struct snd_ctl_elem_info *uinfo); 602 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 603 struct snd_ctl_elem_value *ucontrol); 604 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 605 struct snd_ctl_elem_value *ucontrol); 606 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 607 struct snd_ctl_elem_value *ucontrol); 608 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 609 struct snd_ctl_elem_value *ucontrol); 610 611 enum snd_soc_trigger_order { 612 /* start stop */ 613 SND_SOC_TRIGGER_ORDER_DEFAULT = 0, /* Link->Component->DAI DAI->Component->Link */ 614 SND_SOC_TRIGGER_ORDER_LDC, /* Link->DAI->Component Component->DAI->Link */ 615 616 SND_SOC_TRIGGER_ORDER_MAX, 617 }; 618 619 /* SoC PCM stream information */ 620 struct snd_soc_pcm_stream { 621 const char *stream_name; 622 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 623 unsigned int rates; /* SNDRV_PCM_RATE_* */ 624 unsigned int rate_min; /* min rate */ 625 unsigned int rate_max; /* max rate */ 626 unsigned int channels_min; /* min channels */ 627 unsigned int channels_max; /* max channels */ 628 unsigned int sig_bits; /* number of bits of content */ 629 }; 630 631 /* SoC audio ops */ 632 struct snd_soc_ops { 633 int (*startup)(struct snd_pcm_substream *); 634 void (*shutdown)(struct snd_pcm_substream *); 635 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 636 int (*hw_free)(struct snd_pcm_substream *); 637 int (*prepare)(struct snd_pcm_substream *); 638 int (*trigger)(struct snd_pcm_substream *, int); 639 }; 640 641 struct snd_soc_compr_ops { 642 int (*startup)(struct snd_compr_stream *); 643 void (*shutdown)(struct snd_compr_stream *); 644 int (*set_params)(struct snd_compr_stream *); 645 }; 646 647 struct snd_soc_component* 648 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 649 const char *driver_name); 650 651 struct snd_soc_dai_link_component { 652 const char *name; 653 struct device_node *of_node; 654 const char *dai_name; 655 struct of_phandle_args *dai_args; 656 }; 657 658 /* 659 * [dai_link->ch_maps Image sample] 660 * 661 *------------------------- 662 * CPU0 <---> Codec0 663 * 664 * ch-map[0].cpu = 0 ch-map[0].codec = 0 665 * 666 *------------------------- 667 * CPU0 <---> Codec0 668 * CPU1 <---> Codec1 669 * CPU2 <---> Codec2 670 * 671 * ch-map[0].cpu = 0 ch-map[0].codec = 0 672 * ch-map[1].cpu = 1 ch-map[1].codec = 1 673 * ch-map[2].cpu = 2 ch-map[2].codec = 2 674 * 675 *------------------------- 676 * CPU0 <---> Codec0 677 * CPU1 <-+-> Codec1 678 * CPU2 <-/ 679 * 680 * ch-map[0].cpu = 0 ch-map[0].codec = 0 681 * ch-map[1].cpu = 1 ch-map[1].codec = 1 682 * ch-map[2].cpu = 2 ch-map[2].codec = 1 683 * 684 *------------------------- 685 * CPU0 <---> Codec0 686 * CPU1 <-+-> Codec1 687 * \-> Codec2 688 * 689 * ch-map[0].cpu = 0 ch-map[0].codec = 0 690 * ch-map[1].cpu = 1 ch-map[1].codec = 1 691 * ch-map[2].cpu = 1 ch-map[2].codec = 2 692 * 693 */ 694 struct snd_soc_dai_link_ch_map { 695 unsigned int cpu; 696 unsigned int codec; 697 unsigned int ch_mask; 698 }; 699 700 struct snd_soc_dai_link { 701 /* config - must be set by machine driver */ 702 const char *name; /* Codec name */ 703 const char *stream_name; /* Stream name */ 704 705 /* 706 * You MAY specify the link's CPU-side device, either by device name, 707 * or by DT/OF node, but not both. If this information is omitted, 708 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 709 * must be globally unique. These fields are currently typically used 710 * only for codec to codec links, or systems using device tree. 711 */ 712 /* 713 * You MAY specify the DAI name of the CPU DAI. If this information is 714 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 715 * only, which only works well when that device exposes a single DAI. 716 */ 717 struct snd_soc_dai_link_component *cpus; 718 unsigned int num_cpus; 719 720 /* 721 * You MUST specify the link's codec, either by device name, or by 722 * DT/OF node, but not both. 723 */ 724 /* You MUST specify the DAI name within the codec */ 725 struct snd_soc_dai_link_component *codecs; 726 unsigned int num_codecs; 727 728 /* num_ch_maps = max(num_cpu, num_codecs) */ 729 struct snd_soc_dai_link_ch_map *ch_maps; 730 731 /* 732 * You MAY specify the link's platform/PCM/DMA driver, either by 733 * device name, or by DT/OF node, but not both. Some forms of link 734 * do not need a platform. In such case, platforms are not mandatory. 735 */ 736 struct snd_soc_dai_link_component *platforms; 737 unsigned int num_platforms; 738 739 int id; /* optional ID for machine driver link identification */ 740 741 /* 742 * for Codec2Codec 743 */ 744 const struct snd_soc_pcm_stream *c2c_params; 745 unsigned int num_c2c_params; 746 747 unsigned int dai_fmt; /* format to set on init */ 748 749 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 750 751 /* codec/machine specific init - e.g. add machine controls */ 752 int (*init)(struct snd_soc_pcm_runtime *rtd); 753 754 /* codec/machine specific exit - dual of init() */ 755 void (*exit)(struct snd_soc_pcm_runtime *rtd); 756 757 /* optional hw_params re-writing for BE and FE sync */ 758 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 759 struct snd_pcm_hw_params *params); 760 761 /* machine stream operations */ 762 const struct snd_soc_ops *ops; 763 const struct snd_soc_compr_ops *compr_ops; 764 765 /* 766 * soc_pcm_trigger() start/stop sequence. 767 * see also 768 * snd_soc_component_driver 769 * soc_pcm_trigger() 770 */ 771 enum snd_soc_trigger_order trigger_start; 772 enum snd_soc_trigger_order trigger_stop; 773 774 /* Mark this pcm with non atomic ops */ 775 unsigned int nonatomic:1; 776 777 /* For unidirectional dai links */ 778 unsigned int playback_only:1; 779 unsigned int capture_only:1; 780 781 /* Keep DAI active over suspend */ 782 unsigned int ignore_suspend:1; 783 784 /* Symmetry requirements */ 785 unsigned int symmetric_rate:1; 786 unsigned int symmetric_channels:1; 787 unsigned int symmetric_sample_bits:1; 788 789 /* Do not create a PCM for this DAI link (Backend link) */ 790 unsigned int no_pcm:1; 791 792 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 793 unsigned int dynamic:1; 794 795 /* DPCM capture and Playback support */ 796 unsigned int dpcm_capture:1; 797 unsigned int dpcm_playback:1; 798 799 /* DPCM used FE & BE merged format */ 800 unsigned int dpcm_merged_format:1; 801 /* DPCM used FE & BE merged channel */ 802 unsigned int dpcm_merged_chan:1; 803 /* DPCM used FE & BE merged rate */ 804 unsigned int dpcm_merged_rate:1; 805 806 /* pmdown_time is ignored at stop */ 807 unsigned int ignore_pmdown_time:1; 808 809 /* Do not create a PCM for this DAI link (Backend link) */ 810 unsigned int ignore:1; 811 812 #ifdef CONFIG_SND_SOC_TOPOLOGY 813 struct snd_soc_dobj dobj; /* For topology */ 814 #endif 815 }; 816 817 static inline int snd_soc_link_num_ch_map(struct snd_soc_dai_link *link) { 818 return max(link->num_cpus, link->num_codecs); 819 } 820 821 static inline struct snd_soc_dai_link_component* 822 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) { 823 return &(link)->cpus[n]; 824 } 825 826 static inline struct snd_soc_dai_link_component* 827 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) { 828 return &(link)->codecs[n]; 829 } 830 831 static inline struct snd_soc_dai_link_component* 832 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { 833 return &(link)->platforms[n]; 834 } 835 836 #define for_each_link_codecs(link, i, codec) \ 837 for ((i) = 0; \ 838 ((i) < link->num_codecs) && \ 839 ((codec) = snd_soc_link_to_codec(link, i)); \ 840 (i)++) 841 842 #define for_each_link_platforms(link, i, platform) \ 843 for ((i) = 0; \ 844 ((i) < link->num_platforms) && \ 845 ((platform) = snd_soc_link_to_platform(link, i)); \ 846 (i)++) 847 848 #define for_each_link_cpus(link, i, cpu) \ 849 for ((i) = 0; \ 850 ((i) < link->num_cpus) && \ 851 ((cpu) = snd_soc_link_to_cpu(link, i)); \ 852 (i)++) 853 854 #define for_each_link_ch_maps(link, i, ch_map) \ 855 for ((i) = 0; \ 856 ((i) < snd_soc_link_num_ch_map(link) && \ 857 ((ch_map) = link->ch_maps + i)); \ 858 (i)++) 859 860 /* 861 * Sample 1 : Single CPU/Codec/Platform 862 * 863 * SND_SOC_DAILINK_DEFS(test, 864 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 865 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 866 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 867 * 868 * struct snd_soc_dai_link link = { 869 * ... 870 * SND_SOC_DAILINK_REG(test), 871 * }; 872 * 873 * Sample 2 : Multi CPU/Codec, no Platform 874 * 875 * SND_SOC_DAILINK_DEFS(test, 876 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 877 * COMP_CPU("cpu_dai2")), 878 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 879 * COMP_CODEC("codec2", "codec_dai2"))); 880 * 881 * struct snd_soc_dai_link link = { 882 * ... 883 * SND_SOC_DAILINK_REG(test), 884 * }; 885 * 886 * Sample 3 : Define each CPU/Codec/Platform manually 887 * 888 * SND_SOC_DAILINK_DEF(test_cpu, 889 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 890 * COMP_CPU("cpu_dai2"))); 891 * SND_SOC_DAILINK_DEF(test_codec, 892 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 893 * COMP_CODEC("codec2", "codec_dai2"))); 894 * SND_SOC_DAILINK_DEF(test_platform, 895 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 896 * 897 * struct snd_soc_dai_link link = { 898 * ... 899 * SND_SOC_DAILINK_REG(test_cpu, 900 * test_codec, 901 * test_platform), 902 * }; 903 * 904 * Sample 4 : Sample3 without platform 905 * 906 * struct snd_soc_dai_link link = { 907 * ... 908 * SND_SOC_DAILINK_REG(test_cpu, 909 * test_codec); 910 * }; 911 */ 912 913 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 914 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 915 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 916 .cpus = cpu, \ 917 .num_cpus = ARRAY_SIZE(cpu), \ 918 .codecs = codec, \ 919 .num_codecs = ARRAY_SIZE(codec), \ 920 .platforms = platform, \ 921 .num_platforms = ARRAY_SIZE(platform) 922 923 #define SND_SOC_DAILINK_REG(...) \ 924 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__) 925 926 #define SND_SOC_DAILINK_DEF(name, def...) \ 927 static struct snd_soc_dai_link_component name[] = { def } 928 929 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 930 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 931 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 932 SND_SOC_DAILINK_DEF(name##_platforms, platform) 933 934 #define DAILINK_COMP_ARRAY(param...) param 935 #define COMP_EMPTY() { } 936 #define COMP_CPU(_dai) { .dai_name = _dai, } 937 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 938 #define COMP_PLATFORM(_name) { .name = _name } 939 #define COMP_AUX(_name) { .name = _name } 940 #define COMP_CODEC_CONF(_name) { .name = _name } 941 #define COMP_DUMMY() { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", } 942 943 extern struct snd_soc_dai_link_component null_dailink_component[0]; 944 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; 945 946 947 struct snd_soc_codec_conf { 948 /* 949 * specify device either by device name, or by 950 * DT/OF node, but not both. 951 */ 952 struct snd_soc_dai_link_component dlc; 953 954 /* 955 * optional map of kcontrol, widget and path name prefixes that are 956 * associated per device 957 */ 958 const char *name_prefix; 959 }; 960 961 struct snd_soc_aux_dev { 962 /* 963 * specify multi-codec either by device name, or by 964 * DT/OF node, but not both. 965 */ 966 struct snd_soc_dai_link_component dlc; 967 968 /* codec/machine specific init - e.g. add machine controls */ 969 int (*init)(struct snd_soc_component *component); 970 }; 971 972 /* SoC card */ 973 struct snd_soc_card { 974 const char *name; 975 const char *long_name; 976 const char *driver_name; 977 const char *components; 978 #ifdef CONFIG_DMI 979 char dmi_longname[80]; 980 #endif /* CONFIG_DMI */ 981 982 #ifdef CONFIG_PCI 983 /* 984 * PCI does not define 0 as invalid, so pci_subsystem_set indicates 985 * whether a value has been written to these fields. 986 */ 987 unsigned short pci_subsystem_vendor; 988 unsigned short pci_subsystem_device; 989 bool pci_subsystem_set; 990 #endif /* CONFIG_PCI */ 991 992 char topology_shortname[32]; 993 994 struct device *dev; 995 struct snd_card *snd_card; 996 struct module *owner; 997 998 struct mutex mutex; 999 struct mutex dapm_mutex; 1000 1001 /* Mutex for PCM operations */ 1002 struct mutex pcm_mutex; 1003 enum snd_soc_pcm_subclass pcm_subclass; 1004 1005 int (*probe)(struct snd_soc_card *card); 1006 int (*late_probe)(struct snd_soc_card *card); 1007 void (*fixup_controls)(struct snd_soc_card *card); 1008 int (*remove)(struct snd_soc_card *card); 1009 1010 /* the pre and post PM functions are used to do any PM work before and 1011 * after the codec and DAI's do any PM work. */ 1012 int (*suspend_pre)(struct snd_soc_card *card); 1013 int (*suspend_post)(struct snd_soc_card *card); 1014 int (*resume_pre)(struct snd_soc_card *card); 1015 int (*resume_post)(struct snd_soc_card *card); 1016 1017 /* callbacks */ 1018 int (*set_bias_level)(struct snd_soc_card *, 1019 struct snd_soc_dapm_context *dapm, 1020 enum snd_soc_bias_level level); 1021 int (*set_bias_level_post)(struct snd_soc_card *, 1022 struct snd_soc_dapm_context *dapm, 1023 enum snd_soc_bias_level level); 1024 1025 int (*add_dai_link)(struct snd_soc_card *, 1026 struct snd_soc_dai_link *link); 1027 void (*remove_dai_link)(struct snd_soc_card *, 1028 struct snd_soc_dai_link *link); 1029 1030 long pmdown_time; 1031 1032 /* CPU <--> Codec DAI links */ 1033 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1034 int num_links; /* predefined links only */ 1035 1036 struct list_head rtd_list; 1037 int num_rtd; 1038 1039 /* optional codec specific configuration */ 1040 struct snd_soc_codec_conf *codec_conf; 1041 int num_configs; 1042 1043 /* 1044 * optional auxiliary devices such as amplifiers or codecs with DAI 1045 * link unused 1046 */ 1047 struct snd_soc_aux_dev *aux_dev; 1048 int num_aux_devs; 1049 struct list_head aux_comp_list; 1050 1051 const struct snd_kcontrol_new *controls; 1052 int num_controls; 1053 1054 /* 1055 * Card-specific routes and widgets. 1056 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1057 */ 1058 const struct snd_soc_dapm_widget *dapm_widgets; 1059 int num_dapm_widgets; 1060 const struct snd_soc_dapm_route *dapm_routes; 1061 int num_dapm_routes; 1062 const struct snd_soc_dapm_widget *of_dapm_widgets; 1063 int num_of_dapm_widgets; 1064 const struct snd_soc_dapm_route *of_dapm_routes; 1065 int num_of_dapm_routes; 1066 1067 /* lists of probed devices belonging to this card */ 1068 struct list_head component_dev_list; 1069 struct list_head list; 1070 1071 struct list_head widgets; 1072 struct list_head paths; 1073 struct list_head dapm_list; 1074 struct list_head dapm_dirty; 1075 1076 /* attached dynamic objects */ 1077 struct list_head dobj_list; 1078 1079 /* Generic DAPM context for the card */ 1080 struct snd_soc_dapm_context dapm; 1081 struct snd_soc_dapm_stats dapm_stats; 1082 struct snd_soc_dapm_update *update; 1083 1084 #ifdef CONFIG_DEBUG_FS 1085 struct dentry *debugfs_card_root; 1086 #endif 1087 #ifdef CONFIG_PM_SLEEP 1088 struct work_struct deferred_resume_work; 1089 #endif 1090 u32 pop_time; 1091 1092 /* bit field */ 1093 unsigned int instantiated:1; 1094 unsigned int topology_shortname_created:1; 1095 unsigned int fully_routed:1; 1096 unsigned int disable_route_checks:1; 1097 unsigned int probed:1; 1098 unsigned int component_chaining:1; 1099 1100 void *drvdata; 1101 }; 1102 #define for_each_card_prelinks(card, i, link) \ 1103 for ((i) = 0; \ 1104 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 1105 (i)++) 1106 #define for_each_card_pre_auxs(card, i, aux) \ 1107 for ((i) = 0; \ 1108 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \ 1109 (i)++) 1110 1111 #define for_each_card_rtds(card, rtd) \ 1112 list_for_each_entry(rtd, &(card)->rtd_list, list) 1113 #define for_each_card_rtds_safe(card, rtd, _rtd) \ 1114 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1115 1116 #define for_each_card_auxs(card, component) \ 1117 list_for_each_entry(component, &card->aux_comp_list, card_aux_list) 1118 #define for_each_card_auxs_safe(card, component, _comp) \ 1119 list_for_each_entry_safe(component, _comp, \ 1120 &card->aux_comp_list, card_aux_list) 1121 1122 #define for_each_card_components(card, component) \ 1123 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1124 1125 #define for_each_card_dapms(card, dapm) \ 1126 list_for_each_entry(dapm, &card->dapm_list, list) 1127 1128 #define for_each_card_widgets(card, w)\ 1129 list_for_each_entry(w, &card->widgets, list) 1130 #define for_each_card_widgets_safe(card, w, _w) \ 1131 list_for_each_entry_safe(w, _w, &card->widgets, list) 1132 1133 1134 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card) 1135 { 1136 return card && card->instantiated; 1137 } 1138 1139 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1140 struct snd_soc_pcm_runtime { 1141 struct device *dev; 1142 struct snd_soc_card *card; 1143 struct snd_soc_dai_link *dai_link; 1144 struct snd_pcm_ops ops; 1145 1146 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */ 1147 1148 /* Dynamic PCM BE runtime data */ 1149 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1]; 1150 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1]; 1151 1152 long pmdown_time; 1153 1154 /* runtime devices */ 1155 struct snd_pcm *pcm; 1156 struct snd_compr *compr; 1157 1158 /* 1159 * dais = cpu_dai + codec_dai 1160 * see 1161 * soc_new_pcm_runtime() 1162 * snd_soc_rtd_to_cpu() 1163 * snd_soc_rtd_to_codec() 1164 */ 1165 struct snd_soc_dai **dais; 1166 1167 struct delayed_work delayed_work; 1168 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd); 1169 #ifdef CONFIG_DEBUG_FS 1170 struct dentry *debugfs_dpcm_root; 1171 #endif 1172 1173 unsigned int num; /* 0-based and monotonic increasing */ 1174 struct list_head list; /* rtd list of the soc card */ 1175 1176 /* function mark */ 1177 struct snd_pcm_substream *mark_startup; 1178 struct snd_pcm_substream *mark_hw_params; 1179 struct snd_pcm_substream *mark_trigger; 1180 struct snd_compr_stream *mark_compr_startup; 1181 1182 /* bit field */ 1183 unsigned int pop_wait:1; 1184 unsigned int fe_compr:1; /* for Dynamic PCM */ 1185 1186 bool initialized; 1187 1188 int num_components; 1189 struct snd_soc_component *components[]; /* CPU/Codec/Platform */ 1190 }; 1191 1192 /* see soc_new_pcm_runtime() */ 1193 #define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n] 1194 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus] 1195 #define snd_soc_substream_to_rtd(substream) \ 1196 (struct snd_soc_pcm_runtime *)snd_pcm_substream_chip(substream) 1197 1198 #define for_each_rtd_components(rtd, i, component) \ 1199 for ((i) = 0, component = NULL; \ 1200 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\ 1201 (i)++) 1202 #define for_each_rtd_cpu_dais(rtd, i, dai) \ 1203 for ((i) = 0; \ 1204 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \ 1205 (i)++) 1206 #define for_each_rtd_codec_dais(rtd, i, dai) \ 1207 for ((i) = 0; \ 1208 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \ 1209 (i)++) 1210 #define for_each_rtd_dais(rtd, i, dai) \ 1211 for ((i) = 0; \ 1212 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \ 1213 ((dai) = (rtd)->dais[i]); \ 1214 (i)++) 1215 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps) 1216 1217 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); 1218 1219 /* mixer control */ 1220 struct soc_mixer_control { 1221 int min, max, platform_max; 1222 int reg, rreg; 1223 unsigned int shift, rshift; 1224 unsigned int sign_bit; 1225 unsigned int invert:1; 1226 unsigned int autodisable:1; 1227 #ifdef CONFIG_SND_SOC_TOPOLOGY 1228 struct snd_soc_dobj dobj; 1229 #endif 1230 }; 1231 1232 struct soc_bytes { 1233 int base; 1234 int num_regs; 1235 u32 mask; 1236 }; 1237 1238 struct soc_bytes_ext { 1239 int max; 1240 #ifdef CONFIG_SND_SOC_TOPOLOGY 1241 struct snd_soc_dobj dobj; 1242 #endif 1243 /* used for TLV byte control */ 1244 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1245 unsigned int size); 1246 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1247 unsigned int size); 1248 }; 1249 1250 /* multi register control */ 1251 struct soc_mreg_control { 1252 long min, max; 1253 unsigned int regbase, regcount, nbits, invert; 1254 }; 1255 1256 /* enumerated kcontrol */ 1257 struct soc_enum { 1258 int reg; 1259 unsigned char shift_l; 1260 unsigned char shift_r; 1261 unsigned int items; 1262 unsigned int mask; 1263 const char * const *texts; 1264 const unsigned int *values; 1265 unsigned int autodisable:1; 1266 #ifdef CONFIG_SND_SOC_TOPOLOGY 1267 struct snd_soc_dobj dobj; 1268 #endif 1269 }; 1270 1271 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1272 { 1273 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1274 return false; 1275 /* 1276 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1277 * mc->reg != mc->rreg means that the control is 1278 * stereo (bits in one register or in two registers) 1279 */ 1280 return true; 1281 } 1282 1283 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, 1284 unsigned int val) 1285 { 1286 unsigned int i; 1287 1288 if (!e->values) 1289 return val; 1290 1291 for (i = 0; i < e->items; i++) 1292 if (val == e->values[i]) 1293 return i; 1294 1295 return 0; 1296 } 1297 1298 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, 1299 unsigned int item) 1300 { 1301 if (!e->values) 1302 return item; 1303 1304 return e->values[item]; 1305 } 1306 1307 /** 1308 * snd_soc_kcontrol_component() - Returns the component that registered the 1309 * control 1310 * @kcontrol: The control for which to get the component 1311 * 1312 * Note: This function will work correctly if the control has been registered 1313 * for a component. With snd_soc_add_codec_controls() or via table based 1314 * setup for either a CODEC or component driver. Otherwise the behavior is 1315 * undefined. 1316 */ 1317 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1318 struct snd_kcontrol *kcontrol) 1319 { 1320 return snd_kcontrol_chip(kcontrol); 1321 } 1322 1323 int snd_soc_util_init(void); 1324 void snd_soc_util_exit(void); 1325 1326 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1327 const char *propname); 1328 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1329 const char *propname); 1330 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop); 1331 int snd_soc_of_get_slot_mask(struct device_node *np, 1332 const char *prop_name, 1333 unsigned int *mask); 1334 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1335 unsigned int *tx_mask, 1336 unsigned int *rx_mask, 1337 unsigned int *slots, 1338 unsigned int *slot_width); 1339 void snd_soc_of_parse_node_prefix(struct device_node *np, 1340 struct snd_soc_codec_conf *codec_conf, 1341 struct device_node *of_node, 1342 const char *propname); 1343 static inline 1344 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1345 struct snd_soc_codec_conf *codec_conf, 1346 struct device_node *of_node, 1347 const char *propname) 1348 { 1349 snd_soc_of_parse_node_prefix(card->dev->of_node, 1350 codec_conf, of_node, propname); 1351 } 1352 1353 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1354 const char *propname); 1355 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); 1356 1357 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt); 1358 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); 1359 1360 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); 1361 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, 1362 const char *prefix, 1363 struct device_node **bitclkmaster, 1364 struct device_node **framemaster); 1365 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \ 1366 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL) 1367 #define snd_soc_daifmt_parse_clock_provider_as_phandle \ 1368 snd_soc_daifmt_parse_clock_provider_raw 1369 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \ 1370 snd_soc_daifmt_clock_provider_from_bitmap( \ 1371 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) 1372 1373 int snd_soc_get_stream_cpu(struct snd_soc_dai_link *dai_link, int stream); 1374 int snd_soc_get_dlc(const struct of_phandle_args *args, 1375 struct snd_soc_dai_link_component *dlc); 1376 int snd_soc_of_get_dlc(struct device_node *of_node, 1377 struct of_phandle_args *args, 1378 struct snd_soc_dai_link_component *dlc, 1379 int index); 1380 int snd_soc_get_dai_id(struct device_node *ep); 1381 int snd_soc_get_dai_name(const struct of_phandle_args *args, 1382 const char **dai_name); 1383 int snd_soc_of_get_dai_name(struct device_node *of_node, 1384 const char **dai_name, int index); 1385 int snd_soc_of_get_dai_link_codecs(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_codecs(struct snd_soc_dai_link *dai_link); 1389 int snd_soc_of_get_dai_link_cpus(struct device *dev, 1390 struct device_node *of_node, 1391 struct snd_soc_dai_link *dai_link); 1392 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link); 1393 1394 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card, 1395 struct snd_soc_dai_link *dai_link, 1396 int num_dai_link); 1397 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, 1398 struct snd_soc_pcm_runtime *rtd); 1399 1400 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, 1401 struct snd_soc_dai_link_component *cpus); 1402 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, 1403 struct of_phandle_args *args); 1404 struct snd_soc_dai *snd_soc_get_dai_via_args(struct of_phandle_args *dai_args); 1405 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, 1406 struct snd_soc_dai_driver *dai_drv, 1407 bool legacy_dai_naming); 1408 struct snd_soc_dai *devm_snd_soc_register_dai(struct device *dev, 1409 struct snd_soc_component *component, 1410 struct snd_soc_dai_driver *dai_drv, 1411 bool legacy_dai_naming); 1412 void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1413 1414 struct snd_soc_dai *snd_soc_find_dai( 1415 const struct snd_soc_dai_link_component *dlc); 1416 struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1417 const struct snd_soc_dai_link_component *dlc); 1418 1419 #include <sound/soc-dai.h> 1420 1421 static inline 1422 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1423 const char *platform_name) 1424 { 1425 struct snd_soc_dai_link *dai_link; 1426 const char *name; 1427 int i; 1428 1429 if (!platform_name) /* nothing to do */ 1430 return 0; 1431 1432 /* set platform name for each dailink */ 1433 for_each_card_prelinks(card, i, dai_link) { 1434 /* only single platform is supported for now */ 1435 if (dai_link->num_platforms != 1) 1436 return -EINVAL; 1437 1438 if (!dai_link->platforms) 1439 return -EINVAL; 1440 1441 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1442 if (!name) 1443 return -ENOMEM; 1444 1445 /* only single platform is supported for now */ 1446 dai_link->platforms->name = name; 1447 } 1448 1449 return 0; 1450 } 1451 1452 #ifdef CONFIG_DEBUG_FS 1453 extern struct dentry *snd_soc_debugfs_root; 1454 #endif 1455 1456 extern const struct dev_pm_ops snd_soc_pm_ops; 1457 1458 /* 1459 * DAPM helper functions 1460 */ 1461 enum snd_soc_dapm_subclass { 1462 SND_SOC_DAPM_CLASS_ROOT = 0, 1463 SND_SOC_DAPM_CLASS_RUNTIME = 1, 1464 }; 1465 1466 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) 1467 { 1468 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); 1469 } 1470 1471 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) 1472 { 1473 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1474 } 1475 1476 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) 1477 { 1478 mutex_unlock(&card->dapm_mutex); 1479 } 1480 1481 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) 1482 { 1483 lockdep_assert_held(&card->dapm_mutex); 1484 } 1485 1486 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) 1487 { 1488 _snd_soc_dapm_mutex_lock_root_c(dapm->card); 1489 } 1490 1491 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) 1492 { 1493 _snd_soc_dapm_mutex_lock_c(dapm->card); 1494 } 1495 1496 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) 1497 { 1498 _snd_soc_dapm_mutex_unlock_c(dapm->card); 1499 } 1500 1501 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) 1502 { 1503 _snd_soc_dapm_mutex_assert_held_c(dapm->card); 1504 } 1505 1506 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ 1507 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ 1508 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) 1509 #define snd_soc_dapm_mutex_lock(x) _Generic((x), \ 1510 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ 1511 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) 1512 #define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ 1513 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ 1514 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) 1515 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ 1516 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ 1517 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) 1518 1519 /* 1520 * PCM helper functions 1521 */ 1522 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) 1523 { 1524 mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass); 1525 } 1526 1527 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) 1528 { 1529 mutex_unlock(&card->pcm_mutex); 1530 } 1531 1532 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) 1533 { 1534 lockdep_assert_held(&card->pcm_mutex); 1535 } 1536 1537 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) 1538 { 1539 _snd_soc_dpcm_mutex_lock_c(rtd->card); 1540 } 1541 1542 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) 1543 { 1544 _snd_soc_dpcm_mutex_unlock_c(rtd->card); 1545 } 1546 1547 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) 1548 { 1549 _snd_soc_dpcm_mutex_assert_held_c(rtd->card); 1550 } 1551 1552 #define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ 1553 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ 1554 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) 1555 1556 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ 1557 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ 1558 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) 1559 1560 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ 1561 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ 1562 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) 1563 1564 #include <sound/soc-component.h> 1565 #include <sound/soc-card.h> 1566 #include <sound/soc-jack.h> 1567 1568 #endif 1569