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_range, .get = snd_soc_get_volsw_range, \ 69 .put = snd_soc_put_volsw_range, \ 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_range, \ 94 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 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_range, \ 120 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 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_range, \ 168 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 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_range, \ 270 .get = xhandler_get, .put = xhandler_put, \ 271 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, 0) } 272 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ 273 xhandler_get, xhandler_put, tlv_array) \ 274 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 275 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 276 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 277 .tlv.p = (tlv_array), \ 278 .info = snd_soc_info_volsw, \ 279 .get = xhandler_get, .put = xhandler_put, \ 280 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 281 0, xmax, xinvert, 0) } 282 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 283 xhandler_get, xhandler_put, tlv_array) \ 284 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 285 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 286 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 287 .tlv.p = (tlv_array), \ 288 .info = snd_soc_info_volsw, \ 289 .get = xhandler_get, .put = xhandler_put, \ 290 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 291 0, xmax, xinvert) } 292 #define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \ 293 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 294 tlv_array) \ 295 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 296 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 297 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 298 .tlv.p = (tlv_array), \ 299 .info = snd_soc_info_volsw, \ 300 .get = xhandler_get, .put = xhandler_put, \ 301 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 302 xmin, xmax, xsign_bit, xinvert) } 303 #define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \ 304 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 305 tlv_array) \ 306 SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \ 307 xsign_bit, xinvert, xhandler_get, xhandler_put, \ 308 tlv_array) 309 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 310 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 311 .info = snd_soc_info_bool_ext, \ 312 .get = xhandler_get, .put = xhandler_put, \ 313 .private_value = xdata } 314 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 315 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 316 .info = snd_soc_info_enum_double, \ 317 .get = xhandler_get, .put = xhandler_put, \ 318 .private_value = (unsigned long)&xenum } 319 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 320 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) 321 322 #define SND_SOC_BYTES(xname, xbase, xregs) \ 323 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 324 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 325 .put = snd_soc_bytes_put, .private_value = \ 326 ((unsigned long)&(struct soc_bytes) \ 327 {.base = xbase, .num_regs = xregs }) } 328 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \ 329 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 330 .info = snd_soc_bytes_info, .get = xhandler_get, \ 331 .put = xhandler_put, .private_value = \ 332 ((unsigned long)&(struct soc_bytes) \ 333 {.base = xbase, .num_regs = xregs }) } 334 335 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 336 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 337 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 338 .put = snd_soc_bytes_put, .private_value = \ 339 ((unsigned long)&(struct soc_bytes) \ 340 {.base = xbase, .num_regs = xregs, \ 341 .mask = xmask }) } 342 343 /* 344 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead 345 */ 346 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ 347 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 348 .info = snd_soc_bytes_info_ext, \ 349 .get = xhandler_get, .put = xhandler_put, \ 350 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 351 {.max = xcount} } 352 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ 353 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 354 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ 355 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 356 .tlv.c = (snd_soc_bytes_tlv_callback), \ 357 .info = snd_soc_bytes_info_ext, \ 358 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 359 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } 360 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 361 xmin, xmax, xinvert) \ 362 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 363 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 364 .put = snd_soc_put_xr_sx, \ 365 .private_value = (unsigned long)&(struct soc_mreg_control) \ 366 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 367 .invert = xinvert, .min = xmin, .max = xmax} } 368 369 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 370 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 371 snd_soc_get_strobe, snd_soc_put_strobe) 372 373 /* 374 * Simplified versions of above macros, declaring a struct and calculating 375 * ARRAY_SIZE internally 376 */ 377 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 378 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 379 ARRAY_SIZE(xtexts), xtexts) 380 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 381 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 382 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 383 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 384 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 385 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 386 ARRAY_SIZE(xtexts), xtexts, xvalues) 387 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 388 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 389 390 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 391 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ 392 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) 393 394 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ 395 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) 396 397 struct snd_jack; 398 struct snd_soc_card; 399 struct snd_soc_pcm_stream; 400 struct snd_soc_ops; 401 struct snd_soc_pcm_runtime; 402 struct snd_soc_dai; 403 struct snd_soc_dai_driver; 404 struct snd_soc_dai_link; 405 struct snd_soc_component; 406 struct snd_soc_component_driver; 407 struct soc_enum; 408 struct snd_soc_jack; 409 struct snd_soc_jack_zone; 410 struct snd_soc_jack_pin; 411 412 #include <sound/soc-dapm.h> 413 #include <sound/soc-dpcm.h> 414 #include <sound/soc-topology.h> 415 416 struct snd_soc_jack_gpio; 417 418 enum snd_soc_pcm_subclass { 419 SND_SOC_PCM_CLASS_PCM = 0, 420 SND_SOC_PCM_CLASS_BE = 1, 421 }; 422 423 int snd_soc_register_card(struct snd_soc_card *card); 424 void snd_soc_unregister_card(struct snd_soc_card *card); 425 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 426 #ifdef CONFIG_PM_SLEEP 427 int snd_soc_suspend(struct device *dev); 428 int snd_soc_resume(struct device *dev); 429 #else 430 static inline int snd_soc_suspend(struct device *dev) 431 { 432 return 0; 433 } 434 435 static inline int snd_soc_resume(struct device *dev) 436 { 437 return 0; 438 } 439 #endif 440 int snd_soc_poweroff(struct device *dev); 441 int snd_soc_component_initialize(struct snd_soc_component *component, 442 const struct snd_soc_component_driver *driver, 443 struct device *dev); 444 int snd_soc_add_component(struct snd_soc_component *component, 445 struct snd_soc_dai_driver *dai_drv, 446 int num_dai); 447 int snd_soc_register_component(struct device *dev, 448 const struct snd_soc_component_driver *component_driver, 449 struct snd_soc_dai_driver *dai_drv, int num_dai); 450 int devm_snd_soc_register_component(struct device *dev, 451 const struct snd_soc_component_driver *component_driver, 452 struct snd_soc_dai_driver *dai_drv, int num_dai); 453 void snd_soc_unregister_component(struct device *dev); 454 void snd_soc_unregister_component_by_driver(struct device *dev, 455 const struct snd_soc_component_driver *component_driver); 456 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, 457 const char *driver_name); 458 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 459 const char *driver_name); 460 461 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd); 462 #ifdef CONFIG_SND_SOC_COMPRESS 463 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd); 464 #else 465 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd) 466 { 467 return 0; 468 } 469 #endif 470 471 void snd_soc_disconnect_sync(struct device *dev); 472 473 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 474 struct snd_soc_dai_link *dai_link); 475 476 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 477 478 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd, 479 int stream, int action); 480 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, 481 int stream) 482 { 483 snd_soc_runtime_action(rtd, stream, 1); 484 } 485 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, 486 int stream) 487 { 488 snd_soc_runtime_action(rtd, stream, -1); 489 } 490 491 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, 492 struct snd_pcm_hardware *hw, int stream); 493 494 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 495 unsigned int dai_fmt); 496 497 /* Utility functions to get clock rates from various things */ 498 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 499 int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params); 500 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 501 int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms); 502 int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params, 503 int tdm_width, int tdm_slots, int slot_multiple); 504 int snd_soc_ret(const struct device *dev, int ret, const char *fmt, ...); 505 506 /* set runtime hw params */ 507 static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 508 const struct snd_pcm_hardware *hw) 509 { 510 substream->runtime->hw = *hw; 511 512 return 0; 513 } 514 515 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 516 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 517 unsigned int id, unsigned int id_mask); 518 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 519 520 #ifdef CONFIG_SND_SOC_AC97_BUS 521 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 522 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 523 struct platform_device *pdev); 524 525 extern struct snd_ac97_bus_ops *soc_ac97_ops; 526 #else 527 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 528 struct platform_device *pdev) 529 { 530 return 0; 531 } 532 533 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 534 { 535 return 0; 536 } 537 #endif 538 539 /* 540 *Controls 541 */ 542 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 543 void *data, const char *long_name, 544 const char *prefix); 545 int snd_soc_add_component_controls(struct snd_soc_component *component, 546 const struct snd_kcontrol_new *controls, unsigned int num_controls); 547 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 548 const struct snd_kcontrol_new *controls, int num_controls); 549 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 550 const struct snd_kcontrol_new *controls, int num_controls); 551 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 552 struct snd_ctl_elem_info *uinfo); 553 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 554 struct snd_ctl_elem_value *ucontrol); 555 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 556 struct snd_ctl_elem_value *ucontrol); 557 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 558 struct snd_ctl_elem_info *uinfo); 559 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 560 struct snd_ctl_elem_info *uinfo); 561 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 562 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 563 struct snd_ctl_elem_value *ucontrol); 564 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 565 struct snd_ctl_elem_value *ucontrol); 566 #define snd_soc_get_volsw_2r snd_soc_get_volsw 567 #define snd_soc_put_volsw_2r snd_soc_put_volsw 568 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 569 struct snd_ctl_elem_value *ucontrol); 570 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 571 struct snd_ctl_elem_value *ucontrol); 572 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 573 struct snd_ctl_elem_info *uinfo); 574 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 575 struct snd_ctl_elem_value *ucontrol); 576 int snd_soc_get_volsw_range(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; 944 945 946 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 1097 void *drvdata; 1098 }; 1099 #define for_each_card_prelinks(card, i, link) \ 1100 for ((i) = 0; \ 1101 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 1102 (i)++) 1103 #define for_each_card_pre_auxs(card, i, aux) \ 1104 for ((i) = 0; \ 1105 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \ 1106 (i)++) 1107 1108 #define for_each_card_rtds(card, rtd) \ 1109 list_for_each_entry(rtd, &(card)->rtd_list, list) 1110 #define for_each_card_rtds_safe(card, rtd, _rtd) \ 1111 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1112 1113 #define for_each_card_auxs(card, component) \ 1114 list_for_each_entry(component, &card->aux_comp_list, card_aux_list) 1115 #define for_each_card_auxs_safe(card, component, _comp) \ 1116 list_for_each_entry_safe(component, _comp, \ 1117 &card->aux_comp_list, card_aux_list) 1118 1119 #define for_each_card_components(card, component) \ 1120 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1121 1122 #define for_each_card_dapms(card, dapm) \ 1123 list_for_each_entry(dapm, &card->dapm_list, list) 1124 1125 #define for_each_card_widgets(card, w)\ 1126 list_for_each_entry(w, &card->widgets, list) 1127 #define for_each_card_widgets_safe(card, w, _w) \ 1128 list_for_each_entry_safe(w, _w, &card->widgets, list) 1129 1130 1131 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card) 1132 { 1133 return card && card->instantiated; 1134 } 1135 1136 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1137 struct snd_soc_pcm_runtime { 1138 struct device *dev; 1139 struct snd_soc_card *card; 1140 struct snd_soc_dai_link *dai_link; 1141 struct snd_pcm_ops ops; 1142 1143 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */ 1144 1145 /* Dynamic PCM BE runtime data */ 1146 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1]; 1147 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1]; 1148 1149 long pmdown_time; 1150 1151 /* runtime devices */ 1152 struct snd_pcm *pcm; 1153 struct snd_compr *compr; 1154 1155 /* 1156 * dais = cpu_dai + codec_dai 1157 * see 1158 * soc_new_pcm_runtime() 1159 * snd_soc_rtd_to_cpu() 1160 * snd_soc_rtd_to_codec() 1161 */ 1162 struct snd_soc_dai **dais; 1163 1164 struct delayed_work delayed_work; 1165 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd); 1166 #ifdef CONFIG_DEBUG_FS 1167 struct dentry *debugfs_dpcm_root; 1168 #endif 1169 1170 unsigned int id; /* 0-based and monotonic increasing */ 1171 struct list_head list; /* rtd list of the soc card */ 1172 1173 /* function mark */ 1174 struct snd_pcm_substream *mark_startup; 1175 struct snd_pcm_substream *mark_hw_params; 1176 struct snd_pcm_substream *mark_trigger; 1177 struct snd_compr_stream *mark_compr_startup; 1178 1179 /* bit field */ 1180 unsigned int pop_wait:1; 1181 unsigned int fe_compr:1; /* for Dynamic PCM */ 1182 unsigned int initialized:1; 1183 1184 /* CPU/Codec/Platform */ 1185 int num_components; 1186 struct snd_soc_component *components[] __counted_by(num_components); 1187 }; 1188 1189 /* see soc_new_pcm_runtime() */ 1190 #define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n] 1191 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus] 1192 1193 static inline struct snd_soc_pcm_runtime * 1194 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream) 1195 { 1196 return snd_pcm_substream_chip(substream); 1197 } 1198 1199 #define for_each_rtd_components(rtd, i, component) \ 1200 for ((i) = 0, component = NULL; \ 1201 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\ 1202 (i)++) 1203 #define for_each_rtd_cpu_dais(rtd, i, dai) \ 1204 for ((i) = 0; \ 1205 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \ 1206 (i)++) 1207 #define for_each_rtd_codec_dais(rtd, i, dai) \ 1208 for ((i) = 0; \ 1209 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \ 1210 (i)++) 1211 #define for_each_rtd_dais(rtd, i, dai) \ 1212 for ((i) = 0; \ 1213 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \ 1214 ((dai) = (rtd)->dais[i]); \ 1215 (i)++) 1216 #define for_each_rtd_dais_reverse(rtd, i, dai) \ 1217 for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \ 1218 (i) >= 0 && ((dai) = (rtd)->dais[i]); \ 1219 (i)--) 1220 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps) 1221 1222 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); 1223 1224 /* mixer control */ 1225 struct soc_mixer_control { 1226 /* Minimum and maximum specified as written to the hardware */ 1227 int min, max; 1228 /* Limited maximum value specified as presented through the control */ 1229 int platform_max; 1230 int reg, rreg; 1231 unsigned int shift, rshift; 1232 u32 num_channels; 1233 unsigned int sign_bit; 1234 unsigned int invert:1; 1235 unsigned int autodisable:1; 1236 #ifdef CONFIG_SND_SOC_TOPOLOGY 1237 struct snd_soc_dobj dobj; 1238 #endif 1239 }; 1240 1241 struct soc_bytes { 1242 int base; 1243 int num_regs; 1244 u32 mask; 1245 }; 1246 1247 struct soc_bytes_ext { 1248 int max; 1249 #ifdef CONFIG_SND_SOC_TOPOLOGY 1250 struct snd_soc_dobj dobj; 1251 #endif 1252 /* used for TLV byte control */ 1253 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1254 unsigned int size); 1255 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1256 unsigned int size); 1257 }; 1258 1259 /* multi register control */ 1260 struct soc_mreg_control { 1261 long min, max; 1262 unsigned int regbase, regcount, nbits, invert; 1263 }; 1264 1265 /* enumerated kcontrol */ 1266 struct soc_enum { 1267 int reg; 1268 unsigned char shift_l; 1269 unsigned char shift_r; 1270 unsigned int items; 1271 unsigned int mask; 1272 const char * const *texts; 1273 const unsigned int *values; 1274 unsigned int autodisable:1; 1275 #ifdef CONFIG_SND_SOC_TOPOLOGY 1276 struct snd_soc_dobj dobj; 1277 #endif 1278 }; 1279 1280 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc) 1281 { 1282 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1283 return false; 1284 /* 1285 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1286 * mc->reg != mc->rreg means that the control is 1287 * stereo (bits in one register or in two registers) 1288 */ 1289 return true; 1290 } 1291 1292 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e, 1293 unsigned int val) 1294 { 1295 unsigned int i; 1296 1297 if (!e->values) 1298 return val; 1299 1300 for (i = 0; i < e->items; i++) 1301 if (val == e->values[i]) 1302 return i; 1303 1304 return 0; 1305 } 1306 1307 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e, 1308 unsigned int item) 1309 { 1310 if (!e->values) 1311 return item; 1312 1313 return e->values[item]; 1314 } 1315 1316 /** 1317 * snd_soc_kcontrol_component() - Returns the component that registered the 1318 * control 1319 * @kcontrol: The control for which to get the component 1320 * 1321 * Note: This function will work correctly if the control has been registered 1322 * for a component. With snd_soc_add_codec_controls() or via table based 1323 * setup for either a CODEC or component driver. Otherwise the behavior is 1324 * undefined. 1325 */ 1326 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1327 struct snd_kcontrol *kcontrol) 1328 { 1329 return snd_kcontrol_chip(kcontrol); 1330 } 1331 1332 int snd_soc_util_init(void); 1333 void snd_soc_util_exit(void); 1334 1335 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1336 const char *propname); 1337 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1338 const char *propname); 1339 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop); 1340 int snd_soc_of_get_slot_mask(struct device_node *np, 1341 const char *prop_name, 1342 unsigned int *mask); 1343 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1344 unsigned int *tx_mask, 1345 unsigned int *rx_mask, 1346 unsigned int *slots, 1347 unsigned int *slot_width); 1348 void snd_soc_of_parse_node_prefix(struct device_node *np, 1349 struct snd_soc_codec_conf *codec_conf, 1350 struct device_node *of_node, 1351 const char *propname); 1352 static inline 1353 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1354 struct snd_soc_codec_conf *codec_conf, 1355 struct device_node *of_node, 1356 const char *propname) 1357 { 1358 snd_soc_of_parse_node_prefix(card->dev->of_node, 1359 codec_conf, of_node, propname); 1360 } 1361 1362 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1363 const char *propname); 1364 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); 1365 1366 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt); 1367 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); 1368 1369 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); 1370 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, 1371 const char *prefix, 1372 struct device_node **bitclkmaster, 1373 struct device_node **framemaster); 1374 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \ 1375 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL) 1376 #define snd_soc_daifmt_parse_clock_provider_as_phandle \ 1377 snd_soc_daifmt_parse_clock_provider_raw 1378 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \ 1379 snd_soc_daifmt_clock_provider_from_bitmap( \ 1380 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) 1381 1382 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream); 1383 int snd_soc_get_dlc(const struct of_phandle_args *args, 1384 struct snd_soc_dai_link_component *dlc); 1385 int snd_soc_of_get_dlc(struct device_node *of_node, 1386 struct of_phandle_args *args, 1387 struct snd_soc_dai_link_component *dlc, 1388 int index); 1389 int snd_soc_get_dai_id(struct device_node *ep); 1390 int snd_soc_get_dai_name(const struct of_phandle_args *args, 1391 const char **dai_name); 1392 int snd_soc_of_get_dai_name(struct device_node *of_node, 1393 const char **dai_name, int index); 1394 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1395 struct device_node *of_node, 1396 struct snd_soc_dai_link *dai_link); 1397 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1398 int snd_soc_of_get_dai_link_cpus(struct device *dev, 1399 struct device_node *of_node, 1400 struct snd_soc_dai_link *dai_link); 1401 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link); 1402 1403 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card, 1404 struct snd_soc_dai_link *dai_link, 1405 int num_dai_link); 1406 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, 1407 struct snd_soc_pcm_runtime *rtd); 1408 1409 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, 1410 struct snd_soc_dai_link_component *cpus); 1411 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, 1412 const struct of_phandle_args *args); 1413 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args); 1414 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, 1415 struct snd_soc_dai_driver *dai_drv, 1416 bool legacy_dai_naming); 1417 void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1418 1419 struct snd_soc_dai *snd_soc_find_dai( 1420 const struct snd_soc_dai_link_component *dlc); 1421 struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1422 const struct snd_soc_dai_link_component *dlc); 1423 1424 #include <sound/soc-dai.h> 1425 1426 static inline 1427 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1428 const char *platform_name) 1429 { 1430 struct snd_soc_dai_link *dai_link; 1431 const char *name; 1432 int i; 1433 1434 if (!platform_name) /* nothing to do */ 1435 return 0; 1436 1437 /* set platform name for each dailink */ 1438 for_each_card_prelinks(card, i, dai_link) { 1439 /* only single platform is supported for now */ 1440 if (dai_link->num_platforms != 1) 1441 return -EINVAL; 1442 1443 if (!dai_link->platforms) 1444 return -EINVAL; 1445 1446 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1447 if (!name) 1448 return -ENOMEM; 1449 1450 /* only single platform is supported for now */ 1451 dai_link->platforms->name = name; 1452 } 1453 1454 return 0; 1455 } 1456 1457 #ifdef CONFIG_DEBUG_FS 1458 extern struct dentry *snd_soc_debugfs_root; 1459 #endif 1460 1461 extern const struct dev_pm_ops snd_soc_pm_ops; 1462 1463 /* 1464 * DAPM helper functions 1465 */ 1466 enum snd_soc_dapm_subclass { 1467 SND_SOC_DAPM_CLASS_ROOT = 0, 1468 SND_SOC_DAPM_CLASS_RUNTIME = 1, 1469 }; 1470 1471 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) 1472 { 1473 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); 1474 } 1475 1476 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) 1477 { 1478 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1479 } 1480 1481 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) 1482 { 1483 mutex_unlock(&card->dapm_mutex); 1484 } 1485 1486 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) 1487 { 1488 lockdep_assert_held(&card->dapm_mutex); 1489 } 1490 1491 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) 1492 { 1493 _snd_soc_dapm_mutex_lock_root_c(dapm->card); 1494 } 1495 1496 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) 1497 { 1498 _snd_soc_dapm_mutex_lock_c(dapm->card); 1499 } 1500 1501 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) 1502 { 1503 _snd_soc_dapm_mutex_unlock_c(dapm->card); 1504 } 1505 1506 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) 1507 { 1508 _snd_soc_dapm_mutex_assert_held_c(dapm->card); 1509 } 1510 1511 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ 1512 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ 1513 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) 1514 #define snd_soc_dapm_mutex_lock(x) _Generic((x), \ 1515 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ 1516 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) 1517 #define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ 1518 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ 1519 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) 1520 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ 1521 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ 1522 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) 1523 1524 /* 1525 * PCM helper functions 1526 */ 1527 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) 1528 { 1529 mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass); 1530 } 1531 1532 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) 1533 { 1534 mutex_unlock(&card->pcm_mutex); 1535 } 1536 1537 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) 1538 { 1539 lockdep_assert_held(&card->pcm_mutex); 1540 } 1541 1542 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) 1543 { 1544 _snd_soc_dpcm_mutex_lock_c(rtd->card); 1545 } 1546 1547 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) 1548 { 1549 _snd_soc_dpcm_mutex_unlock_c(rtd->card); 1550 } 1551 1552 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) 1553 { 1554 _snd_soc_dpcm_mutex_assert_held_c(rtd->card); 1555 } 1556 1557 #define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ 1558 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ 1559 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) 1560 1561 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ 1562 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ 1563 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) 1564 1565 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ 1566 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ 1567 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) 1568 1569 #include <sound/soc-component.h> 1570 #include <sound/soc-card.h> 1571 #include <sound/soc-jack.h> 1572 1573 #endif 1574