1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * linux/sound/soc.h -- ALSA SoC Layer 4 * 5 * Author: Liam Girdwood 6 * Created: Aug 11th 2005 7 * Copyright: Wolfson Microelectronics. PLC. 8 */ 9 10 #ifndef __LINUX_SND_SOC_H 11 #define __LINUX_SND_SOC_H 12 13 #include <linux/args.h> 14 #include <linux/array_size.h> 15 #include <linux/device.h> 16 #include <linux/errno.h> 17 #include <linux/interrupt.h> 18 #include <linux/lockdep.h> 19 #include <linux/log2.h> 20 #include <linux/mutex.h> 21 #include <linux/notifier.h> 22 #include <linux/of.h> 23 #include <linux/types.h> 24 #include <linux/workqueue.h> 25 26 #include <sound/ac97_codec.h> 27 #include <sound/compress_driver.h> 28 #include <sound/control.h> 29 #include <sound/core.h> 30 #include <sound/pcm.h> 31 32 struct module; 33 struct platform_device; 34 35 /* For the current users of sound/soc.h to avoid build issues */ 36 #include <linux/platform_device.h> 37 #include <linux/regmap.h> 38 39 /* 40 * Convenience kcontrol builders 41 */ 42 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, \ 43 xinvert, xautodisable) \ 44 ((unsigned long)&(struct soc_mixer_control) \ 45 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 46 .rshift = shift_right, .min = xmin, .max = xmax, \ 47 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable}) 48 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmin, xmax, xinvert, xautodisable) \ 49 SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, 0, xinvert, \ 50 xautodisable) 51 #define SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, xautodisable) \ 52 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmin, xmax, xinvert, xautodisable) 53 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ 54 ((unsigned long)&(struct soc_mixer_control) \ 55 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 56 .max = xmax, .min = xmin, .sign_bit = xsign_bit, \ 57 .invert = xinvert}) 58 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ 59 SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, 0, xinvert) 60 61 #define SOC_SINGLE(xname, reg, shift, max, invert) \ 62 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 63 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 64 .put = snd_soc_put_volsw, \ 65 .private_value = SOC_SINGLE_VALUE(reg, shift, 0, max, invert, 0) } 66 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ 67 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 68 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 69 .put = snd_soc_put_volsw, \ 70 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, 0) } 71 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 72 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 73 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 74 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 75 .tlv.p = (tlv_array), \ 76 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 77 .put = snd_soc_put_volsw, \ 78 .private_value = SOC_SINGLE_VALUE(reg, shift, 0, max, invert, 0) } 79 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ 80 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 81 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 82 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 83 .tlv.p = (tlv_array),\ 84 .info = snd_soc_info_volsw_sx, \ 85 .get = snd_soc_get_volsw_sx,\ 86 .put = snd_soc_put_volsw_sx, \ 87 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, 0, 0) } 88 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ 89 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 90 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 91 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 92 .tlv.p = (tlv_array), \ 93 .info = snd_soc_info_volsw, \ 94 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 95 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, 0) } 96 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ 97 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 98 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 99 .put = snd_soc_put_volsw, \ 100 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 101 0, max, invert, 0) } 102 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \ 103 { \ 104 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 105 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 106 .access = SNDRV_CTL_ELEM_ACCESS_READ | \ 107 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ 108 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 109 0, max, invert, 0) } 110 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ 111 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 112 .info = snd_soc_info_volsw, \ 113 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 114 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 115 0, xmax, xinvert) } 116 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ 117 xmax, xinvert) \ 118 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 119 .info = snd_soc_info_volsw, \ 120 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 121 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, \ 122 xshift, xmin, xmax, xinvert) } 123 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ 124 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 125 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 126 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 127 .tlv.p = (tlv_array), \ 128 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 129 .put = snd_soc_put_volsw, \ 130 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 131 0, max, invert, 0) } 132 #define SOC_DOUBLE_SX_TLV(xname, xreg, shift_left, shift_right, xmin, xmax, tlv_array) \ 133 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 134 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 135 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 136 .tlv.p = (tlv_array), \ 137 .info = snd_soc_info_volsw_sx, \ 138 .get = snd_soc_get_volsw_sx, \ 139 .put = snd_soc_put_volsw_sx, \ 140 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 141 xmin, xmax, 0, 0) } 142 #define SOC_DOUBLE_RANGE_TLV(xname, xreg, xshift_left, xshift_right, xmin, xmax, \ 143 xinvert, tlv_array) \ 144 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 145 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 146 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 147 .tlv.p = (tlv_array), \ 148 .info = snd_soc_info_volsw, \ 149 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 150 .private_value = SOC_DOUBLE_VALUE(xreg, xshift_left, xshift_right, \ 151 xmin, xmax, xinvert, 0) } 152 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ 153 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 154 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 155 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 156 .tlv.p = (tlv_array), \ 157 .info = snd_soc_info_volsw, \ 158 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 159 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 160 0, xmax, xinvert) } 161 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ 162 xmax, xinvert, tlv_array) \ 163 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 164 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 165 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 166 .tlv.p = (tlv_array), \ 167 .info = snd_soc_info_volsw, \ 168 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 169 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, \ 170 xshift, xmin, xmax, xinvert) } 171 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ 172 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 173 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 174 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 175 .tlv.p = (tlv_array), \ 176 .info = snd_soc_info_volsw_sx, \ 177 .get = snd_soc_get_volsw_sx, \ 178 .put = snd_soc_put_volsw_sx, \ 179 .private_value = SOC_DOUBLE_R_VALUE(xreg, xrreg, xshift, xmin, xmax, 0) } 180 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ 181 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 182 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 183 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 184 .tlv.p = (tlv_array), \ 185 .info = snd_soc_info_volsw, \ 186 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 187 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 188 xmin, xmax, xsign_bit, xinvert) } 189 #define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ 190 SOC_DOUBLE_R_S_TLV(xname, xreg, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) 191 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 192 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 193 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 194 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 195 .tlv.p = (tlv_array), \ 196 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 197 .put = snd_soc_put_volsw, \ 198 .private_value = (unsigned long)&(struct soc_mixer_control) \ 199 {.reg = xreg, .rreg = xreg, \ 200 .min = xmin, .max = xmax, \ 201 .sign_bit = 7,} } 202 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 203 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 204 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 205 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 206 .tlv.p = (tlv_array), \ 207 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 208 .put = snd_soc_put_volsw, \ 209 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) } 210 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ 211 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 212 .items = xitems, .texts = xtexts, \ 213 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} 214 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ 215 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) 216 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ 217 { .items = xitems, .texts = xtexts } 218 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \ 219 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 220 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} 221 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 222 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues) 223 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 224 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \ 225 .mask = xmask, .items = xitems, .texts = xtexts, \ 226 .values = xvalues, .autodisable = 1} 227 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ 228 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) 229 #define SOC_ENUM(xname, xenum) \ 230 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 231 .info = snd_soc_info_enum_double, \ 232 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ 233 .private_value = (unsigned long)&xenum } 234 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ 235 xhandler_get, xhandler_put) \ 236 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 237 .info = snd_soc_info_volsw, \ 238 .get = xhandler_get, .put = xhandler_put, \ 239 .private_value = SOC_SINGLE_VALUE(xreg, xshift, 0, xmax, xinvert, 0) } 240 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ 241 xhandler_get, xhandler_put) \ 242 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 243 .info = snd_soc_info_volsw, \ 244 .get = xhandler_get, .put = xhandler_put, \ 245 .private_value = \ 246 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, 0, max, invert, 0) } 247 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 248 xhandler_get, xhandler_put) \ 249 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 250 .info = snd_soc_info_volsw, \ 251 .get = xhandler_get, .put = xhandler_put, \ 252 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 253 0, xmax, xinvert) } 254 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ 255 xhandler_get, xhandler_put, tlv_array) \ 256 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 257 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 258 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 259 .tlv.p = (tlv_array), \ 260 .info = snd_soc_info_volsw, \ 261 .get = xhandler_get, .put = xhandler_put, \ 262 .private_value = SOC_SINGLE_VALUE(xreg, xshift, 0, xmax, xinvert, 0) } 263 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ 264 xhandler_get, xhandler_put, tlv_array) \ 265 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 266 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 267 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 268 .tlv.p = (tlv_array), \ 269 .info = snd_soc_info_volsw, \ 270 .get = xhandler_get, .put = xhandler_put, \ 271 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, 0) } 272 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ 273 xhandler_get, xhandler_put, tlv_array) \ 274 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 275 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 276 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 277 .tlv.p = (tlv_array), \ 278 .info = snd_soc_info_volsw, \ 279 .get = xhandler_get, .put = xhandler_put, \ 280 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 281 0, xmax, xinvert, 0) } 282 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 283 xhandler_get, xhandler_put, tlv_array) \ 284 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 285 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 286 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 287 .tlv.p = (tlv_array), \ 288 .info = snd_soc_info_volsw, \ 289 .get = xhandler_get, .put = xhandler_put, \ 290 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 291 0, xmax, xinvert) } 292 #define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \ 293 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 294 tlv_array) \ 295 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 296 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 297 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 298 .tlv.p = (tlv_array), \ 299 .info = snd_soc_info_volsw, \ 300 .get = xhandler_get, .put = xhandler_put, \ 301 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 302 xmin, xmax, xsign_bit, xinvert) } 303 #define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \ 304 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 305 tlv_array) \ 306 SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \ 307 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 308 tlv_array) 309 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 310 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 311 .info = snd_soc_info_bool_ext, \ 312 .get = xhandler_get, .put = xhandler_put, \ 313 .private_value = xdata } 314 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 315 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 316 .info = snd_soc_info_enum_double, \ 317 .get = xhandler_get, .put = xhandler_put, \ 318 .private_value = (unsigned long)&xenum } 319 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 320 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) 321 322 #define SOC_ENUM_EXT_ACC(xname, xenum, xhandler_get, xhandler_put, xaccess) \ 323 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 324 .access = xaccess, \ 325 .info = snd_soc_info_enum_double, \ 326 .get = xhandler_get, .put = xhandler_put, \ 327 .private_value = (unsigned long)&xenum } 328 329 #define SND_SOC_BYTES(xname, xbase, xregs) \ 330 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 331 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 332 .put = snd_soc_bytes_put, .private_value = \ 333 ((unsigned long)&(struct soc_bytes) \ 334 {.base = xbase, .num_regs = xregs }) } 335 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \ 336 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 337 .info = snd_soc_bytes_info, .get = xhandler_get, \ 338 .put = xhandler_put, .private_value = \ 339 ((unsigned long)&(struct soc_bytes) \ 340 {.base = xbase, .num_regs = xregs }) } 341 #define SND_SOC_BYTES_E_ACC(xname, xbase, xregs, xhandler_get, xhandler_put, xaccess) \ 342 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 343 .access = xaccess, \ 344 .info = snd_soc_bytes_info, .get = xhandler_get, \ 345 .put = xhandler_put, .private_value = \ 346 ((unsigned long)&(struct soc_bytes) \ 347 {.base = xbase, .num_regs = xregs }) } 348 349 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 350 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 351 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 352 .put = snd_soc_bytes_put, .private_value = \ 353 ((unsigned long)&(struct soc_bytes) \ 354 {.base = xbase, .num_regs = xregs, \ 355 .mask = xmask }) } 356 357 /* 358 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead 359 */ 360 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ 361 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 362 .info = snd_soc_bytes_info_ext, \ 363 .get = xhandler_get, .put = xhandler_put, \ 364 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 365 {.max = xcount} } 366 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ 367 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 368 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ 369 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 370 .tlv.c = (snd_soc_bytes_tlv_callback), \ 371 .info = snd_soc_bytes_info_ext, \ 372 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 373 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } 374 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 375 xmin, xmax, xinvert) \ 376 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 377 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 378 .put = snd_soc_put_xr_sx, \ 379 .private_value = (unsigned long)&(struct soc_mreg_control) \ 380 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 381 .invert = xinvert, .min = xmin, .max = xmax} } 382 383 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 384 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 385 snd_soc_get_strobe, snd_soc_put_strobe) 386 387 /* 388 * Simplified versions of above macros, declaring a struct and calculating 389 * ARRAY_SIZE internally 390 */ 391 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 392 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 393 ARRAY_SIZE(xtexts), xtexts) 394 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 395 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 396 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 397 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 398 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 399 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 400 ARRAY_SIZE(xtexts), xtexts, xvalues) 401 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 402 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 403 404 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 405 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ 406 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) 407 408 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ 409 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) 410 411 struct snd_soc_card; 412 struct snd_soc_pcm_runtime; 413 struct snd_soc_dai; 414 struct snd_soc_dai_driver; 415 struct snd_soc_dai_link; 416 struct snd_soc_component; 417 struct snd_soc_component_driver; 418 struct snd_soc_jack; 419 struct snd_soc_jack_pin; 420 421 #include <sound/soc-dapm.h> 422 #include <sound/soc-dpcm.h> 423 #include <sound/soc-topology.h> 424 425 enum snd_soc_pcm_subclass { 426 SND_SOC_PCM_CLASS_PCM = 0, 427 SND_SOC_PCM_CLASS_BE = 1, 428 }; 429 430 int snd_soc_register_card(struct snd_soc_card *card); 431 void snd_soc_unregister_card(struct snd_soc_card *card); 432 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 433 int devm_snd_soc_register_deferrable_card(struct device *dev, struct snd_soc_card *card); 434 #ifdef CONFIG_PM_SLEEP 435 int snd_soc_suspend(struct device *dev); 436 int snd_soc_resume(struct device *dev); 437 #else 438 static inline int snd_soc_suspend(struct device *dev) 439 { 440 return 0; 441 } 442 443 static inline int snd_soc_resume(struct device *dev) 444 { 445 return 0; 446 } 447 #endif 448 int snd_soc_poweroff(struct device *dev); 449 int snd_soc_component_initialize(struct snd_soc_component *component, 450 const struct snd_soc_component_driver *driver, 451 struct device *dev); 452 int snd_soc_add_component(struct snd_soc_component *component, 453 struct snd_soc_dai_driver *dai_drv, 454 int num_dai); 455 int snd_soc_register_component(struct device *dev, 456 const struct snd_soc_component_driver *component_driver, 457 struct snd_soc_dai_driver *dai_drv, int num_dai); 458 int devm_snd_soc_register_component(struct device *dev, 459 const struct snd_soc_component_driver *component_driver, 460 struct snd_soc_dai_driver *dai_drv, int num_dai); 461 #define snd_soc_unregister_component(dev) snd_soc_unregister_component_by_driver(dev, NULL) 462 void snd_soc_unregister_component_by_driver(struct device *dev, 463 const struct snd_soc_component_driver *component_driver); 464 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, 465 const char *driver_name); 466 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 467 const char *driver_name); 468 469 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd); 470 #ifdef CONFIG_SND_SOC_COMPRESS 471 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd); 472 #else 473 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd) 474 { 475 return 0; 476 } 477 #endif 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 /* Utility functions to get clock rates from various things */ 504 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 505 int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params); 506 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 507 int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms); 508 int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params, 509 int tdm_width, int tdm_slots, int slot_multiple); 510 int snd_soc_ret(const struct device *dev, int ret, const char *fmt, ...); 511 512 /* set runtime hw params */ 513 static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 514 const struct snd_pcm_hardware *hw) 515 { 516 substream->runtime->hw = *hw; 517 518 return 0; 519 } 520 521 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 522 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 523 unsigned int id, unsigned int id_mask); 524 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 525 526 #ifdef CONFIG_SND_SOC_AC97_BUS 527 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 528 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 529 struct platform_device *pdev); 530 531 extern struct snd_ac97_bus_ops *soc_ac97_ops; 532 #else 533 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 534 struct platform_device *pdev) 535 { 536 return 0; 537 } 538 539 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 540 { 541 return 0; 542 } 543 #endif 544 545 /* 546 *Controls 547 */ 548 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 549 void *data, const char *long_name, 550 const char *prefix); 551 int snd_soc_add_component_controls(struct snd_soc_component *component, 552 const struct snd_kcontrol_new *controls, unsigned int num_controls); 553 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 554 const struct snd_kcontrol_new *controls, int num_controls); 555 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 556 const struct snd_kcontrol_new *controls, int num_controls); 557 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 558 struct snd_ctl_elem_info *uinfo); 559 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 560 struct snd_ctl_elem_value *ucontrol); 561 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 562 struct snd_ctl_elem_value *ucontrol); 563 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 564 struct snd_ctl_elem_info *uinfo); 565 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 566 struct snd_ctl_elem_info *uinfo); 567 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 568 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 569 struct snd_ctl_elem_value *ucontrol); 570 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 571 struct snd_ctl_elem_value *ucontrol); 572 #define snd_soc_get_volsw_2r snd_soc_get_volsw 573 #define snd_soc_put_volsw_2r snd_soc_put_volsw 574 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 575 struct snd_ctl_elem_value *ucontrol); 576 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 577 struct snd_ctl_elem_value *ucontrol); 578 int snd_soc_limit_volume(struct snd_soc_card *card, 579 const char *name, int max); 580 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 581 struct snd_ctl_elem_info *uinfo); 582 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 583 struct snd_ctl_elem_value *ucontrol); 584 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 585 struct snd_ctl_elem_value *ucontrol); 586 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 587 struct snd_ctl_elem_info *ucontrol); 588 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 589 unsigned int size, unsigned int __user *tlv); 590 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 591 struct snd_ctl_elem_info *uinfo); 592 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 593 struct snd_ctl_elem_value *ucontrol); 594 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 595 struct snd_ctl_elem_value *ucontrol); 596 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 597 struct snd_ctl_elem_value *ucontrol); 598 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 599 struct snd_ctl_elem_value *ucontrol); 600 601 enum snd_soc_trigger_order { 602 /* start stop */ 603 SND_SOC_TRIGGER_ORDER_DEFAULT = 0, /* Link->Component->DAI DAI->Component->Link */ 604 SND_SOC_TRIGGER_ORDER_LDC, /* Link->DAI->Component Component->DAI->Link */ 605 606 SND_SOC_TRIGGER_ORDER_MAX, 607 }; 608 609 /* SoC PCM stream information */ 610 struct snd_soc_pcm_stream { 611 const char *stream_name; 612 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 613 u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */ 614 unsigned int rates; /* SNDRV_PCM_RATE_* */ 615 unsigned int rate_min; /* min rate */ 616 unsigned int rate_max; /* max rate */ 617 unsigned int channels_min; /* min channels */ 618 unsigned int channels_max; /* max channels */ 619 unsigned int sig_bits; /* number of bits of content */ 620 }; 621 622 /* SoC audio ops */ 623 struct snd_soc_ops { 624 int (*startup)(struct snd_pcm_substream *); 625 void (*shutdown)(struct snd_pcm_substream *); 626 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 627 int (*hw_free)(struct snd_pcm_substream *); 628 int (*prepare)(struct snd_pcm_substream *); 629 int (*trigger)(struct snd_pcm_substream *, int); 630 }; 631 632 struct snd_soc_compr_ops { 633 int (*startup)(struct snd_compr_stream *); 634 void (*shutdown)(struct snd_compr_stream *); 635 int (*set_params)(struct snd_compr_stream *); 636 }; 637 638 struct snd_soc_component* 639 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 640 const char *driver_name); 641 642 struct snd_soc_dai_link_component { 643 const char *name; 644 struct device_node *of_node; 645 const char *dai_name; 646 const struct of_phandle_args *dai_args; 647 648 /* 649 * Extra format = SND_SOC_DAIFMT_Bx_Fx 650 * 651 * [Note] it is Bx_Fx base, not CBx_CFx 652 * 653 * It will be used with dai_link->dai_fmt 654 * see 655 * snd_soc_runtime_set_dai_fmt() 656 */ 657 unsigned int ext_fmt; 658 }; 659 660 /* 661 * [dai_link->ch_maps Image sample] 662 * 663 *------------------------- 664 * CPU0 <---> Codec0 665 * 666 * ch-map[0].cpu = 0 ch-map[0].codec = 0 667 * 668 *------------------------- 669 * CPU0 <---> Codec0 670 * CPU1 <---> Codec1 671 * CPU2 <---> Codec2 672 * 673 * ch-map[0].cpu = 0 ch-map[0].codec = 0 674 * ch-map[1].cpu = 1 ch-map[1].codec = 1 675 * ch-map[2].cpu = 2 ch-map[2].codec = 2 676 * 677 *------------------------- 678 * CPU0 <---> Codec0 679 * CPU1 <-+-> Codec1 680 * CPU2 <-/ 681 * 682 * ch-map[0].cpu = 0 ch-map[0].codec = 0 683 * ch-map[1].cpu = 1 ch-map[1].codec = 1 684 * ch-map[2].cpu = 2 ch-map[2].codec = 1 685 * 686 *------------------------- 687 * CPU0 <---> Codec0 688 * CPU1 <-+-> Codec1 689 * \-> Codec2 690 * 691 * ch-map[0].cpu = 0 ch-map[0].codec = 0 692 * ch-map[1].cpu = 1 ch-map[1].codec = 1 693 * ch-map[2].cpu = 1 ch-map[2].codec = 2 694 * 695 */ 696 struct snd_soc_dai_link_ch_map { 697 unsigned int cpu; 698 unsigned int codec; 699 unsigned int ch_mask; 700 }; 701 702 struct snd_soc_dai_link { 703 /* config - must be set by machine driver */ 704 const char *name; /* Codec name */ 705 const char *stream_name; /* Stream name */ 706 707 /* 708 * You MAY specify the link's CPU-side device, either by device name, 709 * or by DT/OF node, but not both. If this information is omitted, 710 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 711 * must be globally unique. These fields are currently typically used 712 * only for codec to codec links, or systems using device tree. 713 */ 714 /* 715 * You MAY specify the DAI name of the CPU DAI. If this information is 716 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 717 * only, which only works well when that device exposes a single DAI. 718 */ 719 struct snd_soc_dai_link_component *cpus; 720 unsigned int num_cpus; 721 722 /* 723 * You MUST specify the link's codec, either by device name, or by 724 * DT/OF node, but not both. 725 */ 726 /* You MUST specify the DAI name within the codec */ 727 struct snd_soc_dai_link_component *codecs; 728 unsigned int num_codecs; 729 730 /* num_ch_maps = max(num_cpu, num_codecs) */ 731 struct snd_soc_dai_link_ch_map *ch_maps; 732 733 /* 734 * You MAY specify the link's platform/PCM/DMA driver, either by 735 * device name, or by DT/OF node, but not both. Some forms of link 736 * do not need a platform. In such case, platforms are not mandatory. 737 */ 738 struct snd_soc_dai_link_component *platforms; 739 unsigned int num_platforms; 740 741 int id; /* optional ID for machine driver link identification */ 742 743 /* 744 * for Codec2Codec 745 */ 746 const struct snd_soc_pcm_stream *c2c_params; 747 unsigned int num_c2c_params; 748 749 unsigned int dai_fmt; /* format to set on init */ 750 751 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 752 753 /* codec/machine specific init - e.g. add machine controls */ 754 int (*init)(struct snd_soc_pcm_runtime *rtd); 755 756 /* codec/machine specific exit - dual of init() */ 757 void (*exit)(struct snd_soc_pcm_runtime *rtd); 758 759 /* optional hw_params re-writing for BE and FE sync */ 760 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 761 struct snd_pcm_hw_params *params); 762 763 /* machine stream operations */ 764 const struct snd_soc_ops *ops; 765 const struct snd_soc_compr_ops *compr_ops; 766 767 /* 768 * soc_pcm_trigger() start/stop sequence. 769 * see also 770 * snd_soc_component_driver 771 * soc_pcm_trigger() 772 */ 773 enum snd_soc_trigger_order trigger_start; 774 enum snd_soc_trigger_order trigger_stop; 775 776 /* Mark this pcm with non atomic ops */ 777 unsigned int nonatomic:1; 778 779 /* For unidirectional dai links */ 780 unsigned int playback_only:1; 781 unsigned int capture_only:1; 782 783 /* Keep DAI active over suspend */ 784 unsigned int ignore_suspend:1; 785 786 /* Symmetry requirements */ 787 unsigned int symmetric_rate:1; 788 unsigned int symmetric_channels:1; 789 unsigned int symmetric_sample_bits:1; 790 791 /* Do not create a PCM for this DAI link (Backend link) */ 792 unsigned int no_pcm:1; 793 794 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 795 unsigned int dynamic:1; 796 797 /* DPCM used FE & BE merged format */ 798 unsigned int dpcm_merged_format:1; 799 /* DPCM used FE & BE merged channel */ 800 unsigned int dpcm_merged_chan:1; 801 /* DPCM used FE & BE merged rate */ 802 unsigned int dpcm_merged_rate:1; 803 804 /* pmdown_time is ignored at stop */ 805 unsigned int ignore_pmdown_time:1; 806 807 /* Do not create a PCM for this DAI link (Backend link) */ 808 unsigned int ignore:1; 809 810 #ifdef CONFIG_SND_SOC_TOPOLOGY 811 struct snd_soc_dobj dobj; /* For topology */ 812 #endif 813 }; 814 815 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link) 816 { 817 return max(link->num_cpus, link->num_codecs); 818 } 819 820 static inline struct snd_soc_dai_link_component* 821 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) { 822 return &(link)->cpus[n]; 823 } 824 825 static inline struct snd_soc_dai_link_component* 826 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) { 827 return &(link)->codecs[n]; 828 } 829 830 static inline struct snd_soc_dai_link_component* 831 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { 832 return &(link)->platforms[n]; 833 } 834 835 #define for_each_link_codecs(link, i, codec) \ 836 for ((i) = 0; \ 837 ((i) < link->num_codecs) && \ 838 ((codec) = snd_soc_link_to_codec(link, i)); \ 839 (i)++) 840 841 #define for_each_link_platforms(link, i, platform) \ 842 for ((i) = 0; \ 843 ((i) < link->num_platforms) && \ 844 ((platform) = snd_soc_link_to_platform(link, i)); \ 845 (i)++) 846 847 #define for_each_link_cpus(link, i, cpu) \ 848 for ((i) = 0; \ 849 ((i) < link->num_cpus) && \ 850 ((cpu) = snd_soc_link_to_cpu(link, i)); \ 851 (i)++) 852 853 #define for_each_link_ch_maps(link, i, ch_map) \ 854 for ((i) = 0; \ 855 ((i) < snd_soc_link_num_ch_map(link) && \ 856 ((ch_map) = link->ch_maps + i)); \ 857 (i)++) 858 859 /* 860 * Sample 1 : Single CPU/Codec/Platform 861 * 862 * SND_SOC_DAILINK_DEFS(test, 863 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 864 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 865 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 866 * 867 * struct snd_soc_dai_link link = { 868 * ... 869 * SND_SOC_DAILINK_REG(test), 870 * }; 871 * 872 * Sample 2 : Multi CPU/Codec, no Platform 873 * 874 * SND_SOC_DAILINK_DEFS(test, 875 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 876 * COMP_CPU("cpu_dai2")), 877 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 878 * COMP_CODEC("codec2", "codec_dai2"))); 879 * 880 * struct snd_soc_dai_link link = { 881 * ... 882 * SND_SOC_DAILINK_REG(test), 883 * }; 884 * 885 * Sample 3 : Define each CPU/Codec/Platform manually 886 * 887 * SND_SOC_DAILINK_DEF(test_cpu, 888 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 889 * COMP_CPU("cpu_dai2"))); 890 * SND_SOC_DAILINK_DEF(test_codec, 891 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 892 * COMP_CODEC("codec2", "codec_dai2"))); 893 * SND_SOC_DAILINK_DEF(test_platform, 894 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 895 * 896 * struct snd_soc_dai_link link = { 897 * ... 898 * SND_SOC_DAILINK_REG(test_cpu, 899 * test_codec, 900 * test_platform), 901 * }; 902 * 903 * Sample 4 : Sample3 without platform 904 * 905 * struct snd_soc_dai_link link = { 906 * ... 907 * SND_SOC_DAILINK_REG(test_cpu, 908 * test_codec); 909 * }; 910 */ 911 912 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 913 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 914 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 915 .cpus = cpu, \ 916 .num_cpus = ARRAY_SIZE(cpu), \ 917 .codecs = codec, \ 918 .num_codecs = ARRAY_SIZE(codec), \ 919 .platforms = platform, \ 920 .num_platforms = ARRAY_SIZE(platform) 921 922 #define SND_SOC_DAILINK_REG(...) \ 923 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__) 924 925 #define SND_SOC_DAILINK_DEF(name, def...) \ 926 static struct snd_soc_dai_link_component name[] = { def } 927 928 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 929 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 930 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 931 SND_SOC_DAILINK_DEF(name##_platforms, platform) 932 933 #define DAILINK_COMP_ARRAY(param...) param 934 #define COMP_EMPTY() { } 935 #define COMP_CPU(_dai) { .dai_name = _dai, } 936 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 937 #define COMP_PLATFORM(_name) { .name = _name } 938 #define COMP_AUX(_name) { .name = _name } 939 #define COMP_CODEC_CONF(_name) { .name = _name } 940 #define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */ 941 942 extern struct snd_soc_dai_link_component null_dailink_component[0]; 943 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; 944 int snd_soc_dlc_is_dummy(struct snd_soc_dai_link_component *dlc); 945 946 struct snd_soc_codec_conf { 947 /* 948 * specify device either by device name, or by 949 * DT/OF node, but not both. 950 */ 951 struct snd_soc_dai_link_component dlc; 952 953 /* 954 * optional map of kcontrol, widget and path name prefixes that are 955 * associated per device 956 */ 957 const char *name_prefix; 958 }; 959 960 struct snd_soc_aux_dev { 961 /* 962 * specify multi-codec either by device name, or by 963 * DT/OF node, but not both. 964 */ 965 struct snd_soc_dai_link_component dlc; 966 967 /* codec/machine specific init - e.g. add machine controls */ 968 int (*init)(struct snd_soc_component *component); 969 }; 970 971 /* SoC card */ 972 struct snd_soc_card { 973 const char *name; 974 const char *long_name; 975 const char *driver_name; 976 const char *components; 977 #ifdef CONFIG_DMI 978 char dmi_longname[80]; 979 #endif /* CONFIG_DMI */ 980 981 #ifdef CONFIG_PCI 982 /* 983 * PCI does not define 0 as invalid, so pci_subsystem_set indicates 984 * whether a value has been written to these fields. 985 */ 986 unsigned short pci_subsystem_vendor; 987 unsigned short pci_subsystem_device; 988 bool pci_subsystem_set; 989 #endif /* CONFIG_PCI */ 990 991 char topology_shortname[32]; 992 993 struct device *dev; 994 struct snd_card *snd_card; 995 struct module *owner; 996 997 struct mutex mutex; 998 struct mutex dapm_mutex; 999 1000 /* Mutex for PCM operations */ 1001 struct mutex pcm_mutex; 1002 enum snd_soc_pcm_subclass pcm_subclass; 1003 1004 int (*probe)(struct snd_soc_card *card); 1005 int (*late_probe)(struct snd_soc_card *card); 1006 void (*fixup_controls)(struct snd_soc_card *card); 1007 int (*remove)(struct snd_soc_card *card); 1008 1009 /* the pre and post PM functions are used to do any PM work before and 1010 * after the codec and DAI's do any PM work. */ 1011 int (*suspend_pre)(struct snd_soc_card *card); 1012 int (*suspend_post)(struct snd_soc_card *card); 1013 int (*resume_pre)(struct snd_soc_card *card); 1014 int (*resume_post)(struct snd_soc_card *card); 1015 1016 /* callbacks */ 1017 int (*set_bias_level)(struct snd_soc_card *, 1018 struct snd_soc_dapm_context *dapm, 1019 enum snd_soc_bias_level level); 1020 int (*set_bias_level_post)(struct snd_soc_card *, 1021 struct snd_soc_dapm_context *dapm, 1022 enum snd_soc_bias_level level); 1023 1024 int (*add_dai_link)(struct snd_soc_card *, 1025 struct snd_soc_dai_link *link); 1026 void (*remove_dai_link)(struct snd_soc_card *, 1027 struct snd_soc_dai_link *link); 1028 1029 long pmdown_time; 1030 1031 /* CPU <--> Codec DAI links */ 1032 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1033 int num_links; /* predefined links only */ 1034 1035 struct list_head rtd_list; 1036 int num_rtd; 1037 1038 /* optional codec specific configuration */ 1039 struct snd_soc_codec_conf *codec_conf; 1040 int num_configs; 1041 1042 /* 1043 * optional auxiliary devices such as amplifiers or codecs with DAI 1044 * link unused 1045 */ 1046 struct snd_soc_aux_dev *aux_dev; 1047 int num_aux_devs; 1048 struct list_head aux_comp_list; 1049 1050 const struct snd_kcontrol_new *controls; 1051 int num_controls; 1052 1053 /* 1054 * Card-specific routes and widgets. 1055 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1056 */ 1057 const struct snd_soc_dapm_widget *dapm_widgets; 1058 int num_dapm_widgets; 1059 const struct snd_soc_dapm_route *dapm_routes; 1060 int num_dapm_routes; 1061 const struct snd_soc_dapm_widget *of_dapm_widgets; 1062 int num_of_dapm_widgets; 1063 const struct snd_soc_dapm_route *of_dapm_routes; 1064 int num_of_dapm_routes; 1065 1066 /* lists of probed devices belonging to this card */ 1067 struct list_head component_dev_list; 1068 struct list_head list; 1069 1070 struct list_head widgets; 1071 struct list_head paths; 1072 struct list_head dapm_list; 1073 struct list_head dapm_dirty; 1074 1075 /* attached dynamic objects */ 1076 struct list_head dobj_list; 1077 1078 /* Generic DAPM context for the card */ 1079 struct snd_soc_dapm_context dapm; 1080 struct snd_soc_dapm_stats dapm_stats; 1081 1082 #ifdef CONFIG_DEBUG_FS 1083 struct dentry *debugfs_card_root; 1084 #endif 1085 #ifdef CONFIG_PM_SLEEP 1086 struct work_struct deferred_resume_work; 1087 #endif 1088 u32 pop_time; 1089 1090 /* bit field */ 1091 unsigned int instantiated:1; 1092 unsigned int topology_shortname_created:1; 1093 unsigned int fully_routed:1; 1094 unsigned int probed:1; 1095 unsigned int component_chaining:1; 1096 struct device *devres_dev; 1097 1098 void *drvdata; 1099 }; 1100 #define for_each_card_prelinks(card, i, link) \ 1101 for ((i) = 0; \ 1102 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 1103 (i)++) 1104 #define for_each_card_pre_auxs(card, i, aux) \ 1105 for ((i) = 0; \ 1106 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \ 1107 (i)++) 1108 1109 #define for_each_card_rtds(card, rtd) \ 1110 list_for_each_entry(rtd, &(card)->rtd_list, list) 1111 #define for_each_card_rtds_safe(card, rtd, _rtd) \ 1112 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1113 1114 #define for_each_card_auxs(card, component) \ 1115 list_for_each_entry(component, &card->aux_comp_list, card_aux_list) 1116 #define for_each_card_auxs_safe(card, component, _comp) \ 1117 list_for_each_entry_safe(component, _comp, \ 1118 &card->aux_comp_list, card_aux_list) 1119 1120 #define for_each_card_components(card, component) \ 1121 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1122 1123 #define for_each_card_dapms(card, dapm) \ 1124 list_for_each_entry(dapm, &card->dapm_list, list) 1125 1126 #define for_each_card_widgets(card, w)\ 1127 list_for_each_entry(w, &card->widgets, list) 1128 #define for_each_card_widgets_safe(card, w, _w) \ 1129 list_for_each_entry_safe(w, _w, &card->widgets, list) 1130 1131 1132 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card) 1133 { 1134 return card && card->instantiated; 1135 } 1136 1137 static inline struct snd_soc_dapm_context *snd_soc_card_to_dapm(struct snd_soc_card *card) 1138 { 1139 return &card->dapm; 1140 } 1141 1142 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1143 struct snd_soc_pcm_runtime { 1144 struct device *dev; 1145 struct snd_soc_card *card; 1146 struct snd_soc_dai_link *dai_link; 1147 struct snd_pcm_ops ops; 1148 1149 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */ 1150 1151 /* Dynamic PCM BE runtime data */ 1152 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1]; 1153 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1]; 1154 1155 long pmdown_time; 1156 1157 /* runtime devices */ 1158 struct snd_pcm *pcm; 1159 struct snd_compr *compr; 1160 1161 /* 1162 * dais = cpu_dai + codec_dai 1163 * see 1164 * soc_new_pcm_runtime() 1165 * snd_soc_rtd_to_cpu() 1166 * snd_soc_rtd_to_codec() 1167 */ 1168 struct snd_soc_dai **dais; 1169 1170 struct delayed_work delayed_work; 1171 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd); 1172 #ifdef CONFIG_DEBUG_FS 1173 struct dentry *debugfs_dpcm_root; 1174 #endif 1175 1176 unsigned int id; /* 0-based and monotonic increasing */ 1177 struct list_head list; /* rtd list of the soc card */ 1178 1179 /* function mark */ 1180 struct snd_pcm_substream *mark_startup; 1181 struct snd_pcm_substream *mark_hw_params; 1182 struct snd_pcm_substream *mark_trigger; 1183 struct snd_compr_stream *mark_compr_startup; 1184 1185 /* bit field */ 1186 unsigned int pop_wait:1; 1187 unsigned int fe_compr:1; /* for Dynamic PCM */ 1188 unsigned int initialized:1; 1189 1190 /* CPU/Codec/Platform */ 1191 int num_components; 1192 struct snd_soc_component *components[] __counted_by(num_components); 1193 }; 1194 1195 /* see soc_new_pcm_runtime() */ 1196 #define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n] 1197 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus] 1198 1199 static inline struct snd_soc_pcm_runtime * 1200 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream) 1201 { 1202 return snd_pcm_substream_chip(substream); 1203 } 1204 1205 #define for_each_rtd_components(rtd, i, component) \ 1206 for ((i) = 0, component = NULL; \ 1207 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\ 1208 (i)++) 1209 #define for_each_rtd_cpu_dais(rtd, i, dai) \ 1210 for ((i) = 0; \ 1211 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \ 1212 (i)++) 1213 #define for_each_rtd_codec_dais(rtd, i, dai) \ 1214 for ((i) = 0; \ 1215 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \ 1216 (i)++) 1217 #define for_each_rtd_dais(rtd, i, dai) \ 1218 for ((i) = 0; \ 1219 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \ 1220 ((dai) = (rtd)->dais[i]); \ 1221 (i)++) 1222 #define for_each_rtd_dais_reverse(rtd, i, dai) \ 1223 for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \ 1224 (i) >= 0 && ((dai) = (rtd)->dais[i]); \ 1225 (i)--) 1226 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps) 1227 1228 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); 1229 1230 /* mixer control */ 1231 struct soc_mixer_control { 1232 /* Minimum and maximum specified as written to the hardware */ 1233 int min, max; 1234 /* Limited maximum value specified as presented through the control */ 1235 int platform_max; 1236 int reg, rreg; 1237 unsigned int shift, rshift; 1238 u32 num_channels; 1239 unsigned int sign_bit; 1240 unsigned int invert:1; 1241 unsigned int autodisable:1; 1242 unsigned int sdca_q78:1; 1243 #ifdef CONFIG_SND_SOC_TOPOLOGY 1244 struct snd_soc_dobj dobj; 1245 #endif 1246 }; 1247 1248 struct soc_bytes { 1249 int base; 1250 int num_regs; 1251 u32 mask; 1252 }; 1253 1254 struct soc_bytes_ext { 1255 int max; 1256 #ifdef CONFIG_SND_SOC_TOPOLOGY 1257 struct snd_soc_dobj dobj; 1258 #endif 1259 /* used for TLV byte control */ 1260 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1261 unsigned int size); 1262 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1263 unsigned int size); 1264 }; 1265 1266 /* multi register control */ 1267 struct soc_mreg_control { 1268 long min, max; 1269 unsigned int regbase, regcount, nbits, invert; 1270 }; 1271 1272 /* enumerated kcontrol */ 1273 struct soc_enum { 1274 int reg; 1275 unsigned char shift_l; 1276 unsigned char shift_r; 1277 unsigned int items; 1278 unsigned int mask; 1279 const char * const *texts; 1280 const unsigned int *values; 1281 unsigned int autodisable:1; 1282 #ifdef CONFIG_SND_SOC_TOPOLOGY 1283 struct snd_soc_dobj dobj; 1284 #endif 1285 }; 1286 1287 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc) 1288 { 1289 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1290 return false; 1291 /* 1292 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1293 * mc->reg != mc->rreg means that the control is 1294 * stereo (bits in one register or in two registers) 1295 */ 1296 return true; 1297 } 1298 1299 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e, 1300 unsigned int val) 1301 { 1302 unsigned int i; 1303 1304 if (!e->values) 1305 return val; 1306 1307 for (i = 0; i < e->items; i++) 1308 if (val == e->values[i]) 1309 return i; 1310 1311 return 0; 1312 } 1313 1314 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e, 1315 unsigned int item) 1316 { 1317 if (!e->values) 1318 return item; 1319 1320 return e->values[item]; 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(const 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 const struct of_phandle_args *args); 1404 struct snd_soc_dai *snd_soc_get_dai_via_args(const 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 void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1409 1410 struct snd_soc_dai *snd_soc_find_dai( 1411 const struct snd_soc_dai_link_component *dlc); 1412 struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1413 const struct snd_soc_dai_link_component *dlc); 1414 1415 #include <sound/soc-dai.h> 1416 1417 static inline 1418 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1419 const char *platform_name) 1420 { 1421 struct snd_soc_dai_link *dai_link; 1422 const char *name; 1423 int i; 1424 1425 if (!platform_name) /* nothing to do */ 1426 return 0; 1427 1428 /* set platform name for each dailink */ 1429 for_each_card_prelinks(card, i, dai_link) { 1430 /* only single platform is supported for now */ 1431 if (dai_link->num_platforms != 1) 1432 return -EINVAL; 1433 1434 if (!dai_link->platforms) 1435 return -EINVAL; 1436 1437 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1438 if (!name) 1439 return -ENOMEM; 1440 1441 /* only single platform is supported for now */ 1442 dai_link->platforms->name = name; 1443 } 1444 1445 return 0; 1446 } 1447 1448 #ifdef CONFIG_DEBUG_FS 1449 extern struct dentry *snd_soc_debugfs_root; 1450 #endif 1451 1452 extern const struct dev_pm_ops snd_soc_pm_ops; 1453 1454 /* 1455 * DAPM helper functions 1456 */ 1457 enum snd_soc_dapm_subclass { 1458 SND_SOC_DAPM_CLASS_ROOT = 0, 1459 SND_SOC_DAPM_CLASS_RUNTIME = 1, 1460 }; 1461 1462 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) 1463 { 1464 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); 1465 } 1466 1467 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) 1468 { 1469 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1470 } 1471 1472 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) 1473 { 1474 mutex_unlock(&card->dapm_mutex); 1475 } 1476 1477 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) 1478 { 1479 lockdep_assert_held(&card->dapm_mutex); 1480 } 1481 1482 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) 1483 { 1484 _snd_soc_dapm_mutex_lock_root_c(snd_soc_dapm_to_card(dapm)); 1485 } 1486 1487 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) 1488 { 1489 _snd_soc_dapm_mutex_lock_c(snd_soc_dapm_to_card(dapm)); 1490 } 1491 1492 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) 1493 { 1494 _snd_soc_dapm_mutex_unlock_c(snd_soc_dapm_to_card(dapm)); 1495 } 1496 1497 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) 1498 { 1499 _snd_soc_dapm_mutex_assert_held_c(snd_soc_dapm_to_card(dapm)); 1500 } 1501 1502 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ 1503 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ 1504 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) 1505 #define snd_soc_dapm_mutex_lock(x) _Generic((x), \ 1506 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ 1507 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) 1508 #define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ 1509 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ 1510 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) 1511 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ 1512 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ 1513 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) 1514 1515 /* 1516 * PCM helper functions 1517 */ 1518 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) 1519 { 1520 mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass); 1521 } 1522 1523 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) 1524 { 1525 mutex_unlock(&card->pcm_mutex); 1526 } 1527 1528 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) 1529 { 1530 lockdep_assert_held(&card->pcm_mutex); 1531 } 1532 1533 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) 1534 { 1535 _snd_soc_dpcm_mutex_lock_c(rtd->card); 1536 } 1537 1538 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) 1539 { 1540 _snd_soc_dpcm_mutex_unlock_c(rtd->card); 1541 } 1542 1543 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) 1544 { 1545 _snd_soc_dpcm_mutex_assert_held_c(rtd->card); 1546 } 1547 1548 #define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ 1549 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ 1550 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) 1551 1552 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ 1553 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ 1554 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) 1555 1556 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ 1557 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ 1558 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) 1559 1560 #include <sound/soc-component.h> 1561 #include <sound/soc-card.h> 1562 #include <sound/soc-jack.h> 1563 1564 #endif 1565