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/of.h> 14 #include <linux/platform_device.h> 15 #include <linux/types.h> 16 #include <linux/notifier.h> 17 #include <linux/workqueue.h> 18 #include <linux/interrupt.h> 19 #include <linux/kernel.h> 20 #include <linux/regmap.h> 21 #include <linux/log2.h> 22 #include <sound/core.h> 23 #include <sound/pcm.h> 24 #include <sound/compress_driver.h> 25 #include <sound/control.h> 26 #include <sound/ac97_codec.h> 27 28 /* 29 * Convenience kcontrol builders 30 */ 31 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \ 32 ((unsigned long)&(struct soc_mixer_control) \ 33 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 34 .rshift = shift_right, .max = xmax, .platform_max = xmax, \ 35 .invert = xinvert, .autodisable = xautodisable}) 36 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \ 37 ((unsigned long)&(struct soc_mixer_control) \ 38 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 39 .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \ 40 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable}) 41 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \ 42 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable) 43 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ 44 ((unsigned long)&(struct soc_mixer_control) \ 45 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert}) 46 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ 47 ((unsigned long)&(struct soc_mixer_control) \ 48 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 49 .max = xmax, .platform_max = xmax, .invert = xinvert}) 50 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ 51 ((unsigned long)&(struct soc_mixer_control) \ 52 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 53 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \ 54 .invert = xinvert}) 55 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ 56 ((unsigned long)&(struct soc_mixer_control) \ 57 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 58 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert}) 59 #define SOC_SINGLE(xname, reg, shift, max, invert) \ 60 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 61 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 62 .put = snd_soc_put_volsw, \ 63 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 64 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ 65 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 66 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ 67 .put = snd_soc_put_volsw_range, \ 68 .private_value = (unsigned long)&(struct soc_mixer_control) \ 69 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 70 .rshift = xshift, .min = xmin, .max = xmax, \ 71 .platform_max = xmax, .invert = xinvert} } 72 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 73 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 74 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 75 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 76 .tlv.p = (tlv_array), \ 77 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 78 .put = snd_soc_put_volsw, \ 79 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 80 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ 81 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 82 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 83 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 84 .tlv.p = (tlv_array),\ 85 .info = snd_soc_info_volsw_sx, \ 86 .get = snd_soc_get_volsw_sx,\ 87 .put = snd_soc_put_volsw_sx, \ 88 .private_value = (unsigned long)&(struct soc_mixer_control) \ 89 {.reg = xreg, .rreg = xreg, \ 90 .shift = xshift, .rshift = xshift, \ 91 .max = xmax, .min = xmin} } 92 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ 93 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 94 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 95 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 96 .tlv.p = (tlv_array), \ 97 .info = snd_soc_info_volsw_range, \ 98 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 99 .private_value = (unsigned long)&(struct soc_mixer_control) \ 100 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 101 .rshift = xshift, .min = xmin, .max = xmax, \ 102 .platform_max = xmax, .invert = xinvert} } 103 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ 104 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 105 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 106 .put = snd_soc_put_volsw, \ 107 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 108 max, invert, 0) } 109 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \ 110 { \ 111 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 112 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 113 .access = SNDRV_CTL_ELEM_ACCESS_READ | \ 114 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ 115 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 116 max, invert, 0) } 117 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, 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, xshift, \ 122 xmax, xinvert) } 123 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ 124 xmax, xinvert) \ 125 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 126 .info = snd_soc_info_volsw_range, \ 127 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 128 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 129 xshift, xmin, xmax, xinvert) } 130 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ 131 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 132 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 133 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 134 .tlv.p = (tlv_array), \ 135 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 136 .put = snd_soc_put_volsw, \ 137 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 138 max, invert, 0) } 139 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ 140 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 141 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 142 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 143 .tlv.p = (tlv_array), \ 144 .info = snd_soc_info_volsw, \ 145 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 146 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 147 xmax, xinvert) } 148 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ 149 xmax, xinvert, tlv_array) \ 150 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 151 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 152 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 153 .tlv.p = (tlv_array), \ 154 .info = snd_soc_info_volsw_range, \ 155 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 156 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 157 xshift, xmin, xmax, xinvert) } 158 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ 159 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 160 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 161 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 162 .tlv.p = (tlv_array), \ 163 .info = snd_soc_info_volsw_sx, \ 164 .get = snd_soc_get_volsw_sx, \ 165 .put = snd_soc_put_volsw_sx, \ 166 .private_value = (unsigned long)&(struct soc_mixer_control) \ 167 {.reg = xreg, .rreg = xrreg, \ 168 .shift = xshift, .rshift = xshift, \ 169 .max = xmax, .min = xmin} } 170 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ 171 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 172 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 173 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 174 .tlv.p = (tlv_array), \ 175 .info = snd_soc_info_volsw, \ 176 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 177 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 178 xmin, xmax, xsign_bit, xinvert) } 179 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 180 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 181 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 182 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 183 .tlv.p = (tlv_array), \ 184 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 185 .put = snd_soc_put_volsw, \ 186 .private_value = (unsigned long)&(struct soc_mixer_control) \ 187 {.reg = xreg, .rreg = xreg, \ 188 .min = xmin, .max = xmax, .platform_max = xmax, \ 189 .sign_bit = 7,} } 190 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 191 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 192 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 193 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 194 .tlv.p = (tlv_array), \ 195 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 196 .put = snd_soc_put_volsw, \ 197 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) } 198 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ 199 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 200 .items = xitems, .texts = xtexts, \ 201 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} 202 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ 203 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) 204 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ 205 { .items = xitems, .texts = xtexts } 206 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \ 207 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 208 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} 209 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 210 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues) 211 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 212 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \ 213 .mask = xmask, .items = xitems, .texts = xtexts, \ 214 .values = xvalues, .autodisable = 1} 215 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ 216 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) 217 #define SOC_ENUM(xname, xenum) \ 218 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 219 .info = snd_soc_info_enum_double, \ 220 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ 221 .private_value = (unsigned long)&xenum } 222 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ 223 xhandler_get, xhandler_put) \ 224 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 225 .info = snd_soc_info_volsw, \ 226 .get = xhandler_get, .put = xhandler_put, \ 227 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 228 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ 229 xhandler_get, xhandler_put) \ 230 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 231 .info = snd_soc_info_volsw, \ 232 .get = xhandler_get, .put = xhandler_put, \ 233 .private_value = \ 234 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) } 235 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 236 xhandler_get, xhandler_put) \ 237 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 238 .info = snd_soc_info_volsw, \ 239 .get = xhandler_get, .put = xhandler_put, \ 240 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 241 xmax, xinvert) } 242 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ 243 xhandler_get, xhandler_put, tlv_array) \ 244 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 245 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 246 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 247 .tlv.p = (tlv_array), \ 248 .info = snd_soc_info_volsw, \ 249 .get = xhandler_get, .put = xhandler_put, \ 250 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 251 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ 252 xhandler_get, xhandler_put, tlv_array) \ 253 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 254 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 255 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 256 .tlv.p = (tlv_array), \ 257 .info = snd_soc_info_volsw_range, \ 258 .get = xhandler_get, .put = xhandler_put, \ 259 .private_value = (unsigned long)&(struct soc_mixer_control) \ 260 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 261 .rshift = xshift, .min = xmin, .max = xmax, \ 262 .platform_max = xmax, .invert = xinvert} } 263 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, 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_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 272 xmax, xinvert, 0) } 273 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 274 xhandler_get, xhandler_put, tlv_array) \ 275 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 276 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 277 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 278 .tlv.p = (tlv_array), \ 279 .info = snd_soc_info_volsw, \ 280 .get = xhandler_get, .put = xhandler_put, \ 281 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 282 xmax, xinvert) } 283 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 284 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 285 .info = snd_soc_info_bool_ext, \ 286 .get = xhandler_get, .put = xhandler_put, \ 287 .private_value = xdata } 288 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 289 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 290 .info = snd_soc_info_enum_double, \ 291 .get = xhandler_get, .put = xhandler_put, \ 292 .private_value = (unsigned long)&xenum } 293 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 294 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) 295 296 #define SND_SOC_BYTES(xname, xbase, xregs) \ 297 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 298 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 299 .put = snd_soc_bytes_put, .private_value = \ 300 ((unsigned long)&(struct soc_bytes) \ 301 {.base = xbase, .num_regs = xregs }) } 302 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \ 303 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 304 .info = snd_soc_bytes_info, .get = xhandler_get, \ 305 .put = xhandler_put, .private_value = \ 306 ((unsigned long)&(struct soc_bytes) \ 307 {.base = xbase, .num_regs = xregs }) } 308 309 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 310 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 311 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 312 .put = snd_soc_bytes_put, .private_value = \ 313 ((unsigned long)&(struct soc_bytes) \ 314 {.base = xbase, .num_regs = xregs, \ 315 .mask = xmask }) } 316 317 /* 318 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead 319 */ 320 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ 321 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 322 .info = snd_soc_bytes_info_ext, \ 323 .get = xhandler_get, .put = xhandler_put, \ 324 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 325 {.max = xcount} } 326 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ 327 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 328 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ 329 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 330 .tlv.c = (snd_soc_bytes_tlv_callback), \ 331 .info = snd_soc_bytes_info_ext, \ 332 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 333 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } 334 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 335 xmin, xmax, xinvert) \ 336 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 337 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 338 .put = snd_soc_put_xr_sx, \ 339 .private_value = (unsigned long)&(struct soc_mreg_control) \ 340 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 341 .invert = xinvert, .min = xmin, .max = xmax} } 342 343 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 344 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 345 snd_soc_get_strobe, snd_soc_put_strobe) 346 347 /* 348 * Simplified versions of above macros, declaring a struct and calculating 349 * ARRAY_SIZE internally 350 */ 351 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 352 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 353 ARRAY_SIZE(xtexts), xtexts) 354 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 355 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 356 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 357 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 358 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 359 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 360 ARRAY_SIZE(xtexts), xtexts, xvalues) 361 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 362 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 363 364 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 365 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ 366 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) 367 368 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ 369 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) 370 371 struct device_node; 372 struct snd_jack; 373 struct snd_soc_card; 374 struct snd_soc_pcm_stream; 375 struct snd_soc_ops; 376 struct snd_soc_pcm_runtime; 377 struct snd_soc_dai; 378 struct snd_soc_dai_driver; 379 struct snd_soc_dai_link; 380 struct snd_soc_component; 381 struct snd_soc_component_driver; 382 struct soc_enum; 383 struct snd_soc_jack; 384 struct snd_soc_jack_zone; 385 struct snd_soc_jack_pin; 386 #include <sound/soc-dapm.h> 387 #include <sound/soc-dpcm.h> 388 #include <sound/soc-topology.h> 389 390 struct snd_soc_jack_gpio; 391 392 typedef int (*hw_write_t)(void *,const char* ,int); 393 394 enum snd_soc_pcm_subclass { 395 SND_SOC_PCM_CLASS_PCM = 0, 396 SND_SOC_PCM_CLASS_BE = 1, 397 }; 398 399 int snd_soc_register_card(struct snd_soc_card *card); 400 int snd_soc_unregister_card(struct snd_soc_card *card); 401 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 402 #ifdef CONFIG_PM_SLEEP 403 int snd_soc_suspend(struct device *dev); 404 int snd_soc_resume(struct device *dev); 405 #else 406 static inline int snd_soc_suspend(struct device *dev) 407 { 408 return 0; 409 } 410 411 static inline int snd_soc_resume(struct device *dev) 412 { 413 return 0; 414 } 415 #endif 416 int snd_soc_poweroff(struct device *dev); 417 int snd_soc_component_initialize(struct snd_soc_component *component, 418 const struct snd_soc_component_driver *driver, 419 struct device *dev); 420 int snd_soc_add_component(struct snd_soc_component *component, 421 struct snd_soc_dai_driver *dai_drv, 422 int num_dai); 423 int snd_soc_register_component(struct device *dev, 424 const struct snd_soc_component_driver *component_driver, 425 struct snd_soc_dai_driver *dai_drv, int num_dai); 426 int devm_snd_soc_register_component(struct device *dev, 427 const struct snd_soc_component_driver *component_driver, 428 struct snd_soc_dai_driver *dai_drv, int num_dai); 429 void snd_soc_unregister_component(struct device *dev); 430 void snd_soc_unregister_component_by_driver(struct device *dev, 431 const struct snd_soc_component_driver *component_driver); 432 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, 433 const char *driver_name); 434 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 435 const char *driver_name); 436 437 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 438 #ifdef CONFIG_SND_SOC_COMPRESS 439 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 440 #else 441 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) 442 { 443 return 0; 444 } 445 #endif 446 447 void snd_soc_disconnect_sync(struct device *dev); 448 449 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 450 struct snd_soc_dai_link *dai_link); 451 452 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 453 454 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd, 455 int stream, int action); 456 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, 457 int stream) 458 { 459 snd_soc_runtime_action(rtd, stream, 1); 460 } 461 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, 462 int stream) 463 { 464 snd_soc_runtime_action(rtd, stream, -1); 465 } 466 467 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, 468 struct snd_pcm_hardware *hw, int stream); 469 470 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 471 unsigned int dai_fmt); 472 473 #ifdef CONFIG_DMI 474 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); 475 #else 476 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, 477 const char *flavour) 478 { 479 return 0; 480 } 481 #endif 482 483 /* Utility functions to get clock rates from various things */ 484 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 485 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 486 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 487 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 488 489 /* set runtime hw params */ 490 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 491 const struct snd_pcm_hardware *hw); 492 493 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 494 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 495 unsigned int id, unsigned int id_mask); 496 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 497 498 #ifdef CONFIG_SND_SOC_AC97_BUS 499 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 500 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 501 struct platform_device *pdev); 502 503 extern struct snd_ac97_bus_ops *soc_ac97_ops; 504 #else 505 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 506 struct platform_device *pdev) 507 { 508 return 0; 509 } 510 511 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 512 { 513 return 0; 514 } 515 #endif 516 517 /* 518 *Controls 519 */ 520 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 521 void *data, const char *long_name, 522 const char *prefix); 523 int snd_soc_add_component_controls(struct snd_soc_component *component, 524 const struct snd_kcontrol_new *controls, unsigned int num_controls); 525 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 526 const struct snd_kcontrol_new *controls, int num_controls); 527 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 528 const struct snd_kcontrol_new *controls, int num_controls); 529 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 530 struct snd_ctl_elem_info *uinfo); 531 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 532 struct snd_ctl_elem_value *ucontrol); 533 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 534 struct snd_ctl_elem_value *ucontrol); 535 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 536 struct snd_ctl_elem_info *uinfo); 537 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 538 struct snd_ctl_elem_info *uinfo); 539 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 540 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 541 struct snd_ctl_elem_value *ucontrol); 542 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 543 struct snd_ctl_elem_value *ucontrol); 544 #define snd_soc_get_volsw_2r snd_soc_get_volsw 545 #define snd_soc_put_volsw_2r snd_soc_put_volsw 546 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 547 struct snd_ctl_elem_value *ucontrol); 548 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 549 struct snd_ctl_elem_value *ucontrol); 550 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 551 struct snd_ctl_elem_info *uinfo); 552 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 553 struct snd_ctl_elem_value *ucontrol); 554 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 555 struct snd_ctl_elem_value *ucontrol); 556 int snd_soc_limit_volume(struct snd_soc_card *card, 557 const char *name, int max); 558 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 559 struct snd_ctl_elem_info *uinfo); 560 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 561 struct snd_ctl_elem_value *ucontrol); 562 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 563 struct snd_ctl_elem_value *ucontrol); 564 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 565 struct snd_ctl_elem_info *ucontrol); 566 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 567 unsigned int size, unsigned int __user *tlv); 568 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 569 struct snd_ctl_elem_info *uinfo); 570 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 571 struct snd_ctl_elem_value *ucontrol); 572 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 573 struct snd_ctl_elem_value *ucontrol); 574 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 575 struct snd_ctl_elem_value *ucontrol); 576 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 577 struct snd_ctl_elem_value *ucontrol); 578 579 /* SoC PCM stream information */ 580 struct snd_soc_pcm_stream { 581 const char *stream_name; 582 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 583 unsigned int rates; /* SNDRV_PCM_RATE_* */ 584 unsigned int rate_min; /* min rate */ 585 unsigned int rate_max; /* max rate */ 586 unsigned int channels_min; /* min channels */ 587 unsigned int channels_max; /* max channels */ 588 unsigned int sig_bits; /* number of bits of content */ 589 }; 590 591 /* SoC audio ops */ 592 struct snd_soc_ops { 593 int (*startup)(struct snd_pcm_substream *); 594 void (*shutdown)(struct snd_pcm_substream *); 595 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 596 int (*hw_free)(struct snd_pcm_substream *); 597 int (*prepare)(struct snd_pcm_substream *); 598 int (*trigger)(struct snd_pcm_substream *, int); 599 }; 600 601 struct snd_soc_compr_ops { 602 int (*startup)(struct snd_compr_stream *); 603 void (*shutdown)(struct snd_compr_stream *); 604 int (*set_params)(struct snd_compr_stream *); 605 int (*trigger)(struct snd_compr_stream *); 606 }; 607 608 struct snd_soc_component* 609 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 610 const char *driver_name); 611 612 struct snd_soc_dai_link_component { 613 const char *name; 614 struct device_node *of_node; 615 const char *dai_name; 616 }; 617 618 struct snd_soc_dai_link { 619 /* config - must be set by machine driver */ 620 const char *name; /* Codec name */ 621 const char *stream_name; /* Stream name */ 622 623 /* 624 * You MAY specify the link's CPU-side device, either by device name, 625 * or by DT/OF node, but not both. If this information is omitted, 626 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 627 * must be globally unique. These fields are currently typically used 628 * only for codec to codec links, or systems using device tree. 629 */ 630 /* 631 * You MAY specify the DAI name of the CPU DAI. If this information is 632 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 633 * only, which only works well when that device exposes a single DAI. 634 */ 635 struct snd_soc_dai_link_component *cpus; 636 unsigned int num_cpus; 637 638 /* 639 * You MUST specify the link's codec, either by device name, or by 640 * DT/OF node, but not both. 641 */ 642 /* You MUST specify the DAI name within the codec */ 643 struct snd_soc_dai_link_component *codecs; 644 unsigned int num_codecs; 645 646 /* 647 * You MAY specify the link's platform/PCM/DMA driver, either by 648 * device name, or by DT/OF node, but not both. Some forms of link 649 * do not need a platform. In such case, platforms are not mandatory. 650 */ 651 struct snd_soc_dai_link_component *platforms; 652 unsigned int num_platforms; 653 654 int id; /* optional ID for machine driver link identification */ 655 656 const struct snd_soc_pcm_stream *params; 657 unsigned int num_params; 658 659 unsigned int dai_fmt; /* format to set on init */ 660 661 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 662 663 /* codec/machine specific init - e.g. add machine controls */ 664 int (*init)(struct snd_soc_pcm_runtime *rtd); 665 666 /* codec/machine specific exit - dual of init() */ 667 void (*exit)(struct snd_soc_pcm_runtime *rtd); 668 669 /* optional hw_params re-writing for BE and FE sync */ 670 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 671 struct snd_pcm_hw_params *params); 672 673 /* machine stream operations */ 674 const struct snd_soc_ops *ops; 675 const struct snd_soc_compr_ops *compr_ops; 676 677 /* Mark this pcm with non atomic ops */ 678 unsigned int nonatomic:1; 679 680 /* For unidirectional dai links */ 681 unsigned int playback_only:1; 682 unsigned int capture_only:1; 683 684 /* Keep DAI active over suspend */ 685 unsigned int ignore_suspend:1; 686 687 /* Symmetry requirements */ 688 unsigned int symmetric_rate:1; 689 unsigned int symmetric_channels:1; 690 unsigned int symmetric_sample_bits:1; 691 692 /* Do not create a PCM for this DAI link (Backend link) */ 693 unsigned int no_pcm:1; 694 695 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 696 unsigned int dynamic:1; 697 698 /* DPCM capture and Playback support */ 699 unsigned int dpcm_capture:1; 700 unsigned int dpcm_playback:1; 701 702 /* DPCM used FE & BE merged format */ 703 unsigned int dpcm_merged_format:1; 704 /* DPCM used FE & BE merged channel */ 705 unsigned int dpcm_merged_chan:1; 706 /* DPCM used FE & BE merged rate */ 707 unsigned int dpcm_merged_rate:1; 708 709 /* pmdown_time is ignored at stop */ 710 unsigned int ignore_pmdown_time:1; 711 712 /* Do not create a PCM for this DAI link (Backend link) */ 713 unsigned int ignore:1; 714 715 /* This flag will reorder stop sequence. By enabling this flag 716 * DMA controller stop sequence will be invoked first followed by 717 * CPU DAI driver stop sequence 718 */ 719 unsigned int stop_dma_first:1; 720 721 #ifdef CONFIG_SND_SOC_TOPOLOGY 722 struct snd_soc_dobj dobj; /* For topology */ 723 #endif 724 }; 725 726 static inline struct snd_soc_dai_link_component* 727 asoc_link_to_cpu(struct snd_soc_dai_link *link, int n) { 728 return &(link)->cpus[n]; 729 } 730 731 static inline struct snd_soc_dai_link_component* 732 asoc_link_to_codec(struct snd_soc_dai_link *link, int n) { 733 return &(link)->codecs[n]; 734 } 735 736 static inline struct snd_soc_dai_link_component* 737 asoc_link_to_platform(struct snd_soc_dai_link *link, int n) { 738 return &(link)->platforms[n]; 739 } 740 741 #define for_each_link_codecs(link, i, codec) \ 742 for ((i) = 0; \ 743 ((i) < link->num_codecs) && \ 744 ((codec) = asoc_link_to_codec(link, i)); \ 745 (i)++) 746 747 #define for_each_link_platforms(link, i, platform) \ 748 for ((i) = 0; \ 749 ((i) < link->num_platforms) && \ 750 ((platform) = asoc_link_to_platform(link, i)); \ 751 (i)++) 752 753 #define for_each_link_cpus(link, i, cpu) \ 754 for ((i) = 0; \ 755 ((i) < link->num_cpus) && \ 756 ((cpu) = asoc_link_to_cpu(link, i)); \ 757 (i)++) 758 759 /* 760 * Sample 1 : Single CPU/Codec/Platform 761 * 762 * SND_SOC_DAILINK_DEFS(test, 763 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 764 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 765 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 766 * 767 * struct snd_soc_dai_link link = { 768 * ... 769 * SND_SOC_DAILINK_REG(test), 770 * }; 771 * 772 * Sample 2 : Multi CPU/Codec, no Platform 773 * 774 * SND_SOC_DAILINK_DEFS(test, 775 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 776 * COMP_CPU("cpu_dai2")), 777 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 778 * COMP_CODEC("codec2", "codec_dai2"))); 779 * 780 * struct snd_soc_dai_link link = { 781 * ... 782 * SND_SOC_DAILINK_REG(test), 783 * }; 784 * 785 * Sample 3 : Define each CPU/Codec/Platform manually 786 * 787 * SND_SOC_DAILINK_DEF(test_cpu, 788 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 789 * COMP_CPU("cpu_dai2"))); 790 * SND_SOC_DAILINK_DEF(test_codec, 791 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 792 * COMP_CODEC("codec2", "codec_dai2"))); 793 * SND_SOC_DAILINK_DEF(test_platform, 794 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 795 * 796 * struct snd_soc_dai_link link = { 797 * ... 798 * SND_SOC_DAILINK_REG(test_cpu, 799 * test_codec, 800 * test_platform), 801 * }; 802 * 803 * Sample 4 : Sample3 without platform 804 * 805 * struct snd_soc_dai_link link = { 806 * ... 807 * SND_SOC_DAILINK_REG(test_cpu, 808 * test_codec); 809 * }; 810 */ 811 812 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 813 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 814 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 815 .cpus = cpu, \ 816 .num_cpus = ARRAY_SIZE(cpu), \ 817 .codecs = codec, \ 818 .num_codecs = ARRAY_SIZE(codec), \ 819 .platforms = platform, \ 820 .num_platforms = ARRAY_SIZE(platform) 821 822 #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func 823 #define SND_SOC_DAILINK_REG(...) \ 824 SND_SOC_DAILINK_REGx(__VA_ARGS__, \ 825 SND_SOC_DAILINK_REG3, \ 826 SND_SOC_DAILINK_REG2, \ 827 SND_SOC_DAILINK_REG1)(__VA_ARGS__) 828 829 #define SND_SOC_DAILINK_DEF(name, def...) \ 830 static struct snd_soc_dai_link_component name[] = { def } 831 832 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 833 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 834 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 835 SND_SOC_DAILINK_DEF(name##_platforms, platform) 836 837 #define DAILINK_COMP_ARRAY(param...) param 838 #define COMP_EMPTY() { } 839 #define COMP_CPU(_dai) { .dai_name = _dai, } 840 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 841 #define COMP_PLATFORM(_name) { .name = _name } 842 #define COMP_AUX(_name) { .name = _name } 843 #define COMP_CODEC_CONF(_name) { .name = _name } 844 #define COMP_DUMMY() { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", } 845 846 extern struct snd_soc_dai_link_component null_dailink_component[0]; 847 848 849 struct snd_soc_codec_conf { 850 /* 851 * specify device either by device name, or by 852 * DT/OF node, but not both. 853 */ 854 struct snd_soc_dai_link_component dlc; 855 856 /* 857 * optional map of kcontrol, widget and path name prefixes that are 858 * associated per device 859 */ 860 const char *name_prefix; 861 }; 862 863 struct snd_soc_aux_dev { 864 /* 865 * specify multi-codec either by device name, or by 866 * DT/OF node, but not both. 867 */ 868 struct snd_soc_dai_link_component dlc; 869 870 /* codec/machine specific init - e.g. add machine controls */ 871 int (*init)(struct snd_soc_component *component); 872 }; 873 874 /* SoC card */ 875 struct snd_soc_card { 876 const char *name; 877 const char *long_name; 878 const char *driver_name; 879 const char *components; 880 #ifdef CONFIG_DMI 881 char dmi_longname[80]; 882 #endif /* CONFIG_DMI */ 883 char topology_shortname[32]; 884 885 struct device *dev; 886 struct snd_card *snd_card; 887 struct module *owner; 888 889 struct mutex mutex; 890 struct mutex dapm_mutex; 891 892 /* Mutex for PCM operations */ 893 struct mutex pcm_mutex; 894 enum snd_soc_pcm_subclass pcm_subclass; 895 896 spinlock_t dpcm_lock; 897 898 int (*probe)(struct snd_soc_card *card); 899 int (*late_probe)(struct snd_soc_card *card); 900 int (*remove)(struct snd_soc_card *card); 901 902 /* the pre and post PM functions are used to do any PM work before and 903 * after the codec and DAI's do any PM work. */ 904 int (*suspend_pre)(struct snd_soc_card *card); 905 int (*suspend_post)(struct snd_soc_card *card); 906 int (*resume_pre)(struct snd_soc_card *card); 907 int (*resume_post)(struct snd_soc_card *card); 908 909 /* callbacks */ 910 int (*set_bias_level)(struct snd_soc_card *, 911 struct snd_soc_dapm_context *dapm, 912 enum snd_soc_bias_level level); 913 int (*set_bias_level_post)(struct snd_soc_card *, 914 struct snd_soc_dapm_context *dapm, 915 enum snd_soc_bias_level level); 916 917 int (*add_dai_link)(struct snd_soc_card *, 918 struct snd_soc_dai_link *link); 919 void (*remove_dai_link)(struct snd_soc_card *, 920 struct snd_soc_dai_link *link); 921 922 long pmdown_time; 923 924 /* CPU <--> Codec DAI links */ 925 struct snd_soc_dai_link *dai_link; /* predefined links only */ 926 int num_links; /* predefined links only */ 927 928 struct list_head rtd_list; 929 int num_rtd; 930 931 /* optional codec specific configuration */ 932 struct snd_soc_codec_conf *codec_conf; 933 int num_configs; 934 935 /* 936 * optional auxiliary devices such as amplifiers or codecs with DAI 937 * link unused 938 */ 939 struct snd_soc_aux_dev *aux_dev; 940 int num_aux_devs; 941 struct list_head aux_comp_list; 942 943 const struct snd_kcontrol_new *controls; 944 int num_controls; 945 946 /* 947 * Card-specific routes and widgets. 948 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 949 */ 950 const struct snd_soc_dapm_widget *dapm_widgets; 951 int num_dapm_widgets; 952 const struct snd_soc_dapm_route *dapm_routes; 953 int num_dapm_routes; 954 const struct snd_soc_dapm_widget *of_dapm_widgets; 955 int num_of_dapm_widgets; 956 const struct snd_soc_dapm_route *of_dapm_routes; 957 int num_of_dapm_routes; 958 959 /* lists of probed devices belonging to this card */ 960 struct list_head component_dev_list; 961 struct list_head list; 962 963 struct list_head widgets; 964 struct list_head paths; 965 struct list_head dapm_list; 966 struct list_head dapm_dirty; 967 968 /* attached dynamic objects */ 969 struct list_head dobj_list; 970 971 /* Generic DAPM context for the card */ 972 struct snd_soc_dapm_context dapm; 973 struct snd_soc_dapm_stats dapm_stats; 974 struct snd_soc_dapm_update *update; 975 976 #ifdef CONFIG_DEBUG_FS 977 struct dentry *debugfs_card_root; 978 #endif 979 #ifdef CONFIG_PM_SLEEP 980 struct work_struct deferred_resume_work; 981 #endif 982 u32 pop_time; 983 984 /* bit field */ 985 unsigned int instantiated:1; 986 unsigned int topology_shortname_created:1; 987 unsigned int fully_routed:1; 988 unsigned int disable_route_checks:1; 989 unsigned int probed:1; 990 unsigned int component_chaining:1; 991 992 void *drvdata; 993 }; 994 #define for_each_card_prelinks(card, i, link) \ 995 for ((i) = 0; \ 996 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 997 (i)++) 998 #define for_each_card_pre_auxs(card, i, aux) \ 999 for ((i) = 0; \ 1000 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \ 1001 (i)++) 1002 1003 #define for_each_card_rtds(card, rtd) \ 1004 list_for_each_entry(rtd, &(card)->rtd_list, list) 1005 #define for_each_card_rtds_safe(card, rtd, _rtd) \ 1006 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1007 1008 #define for_each_card_auxs(card, component) \ 1009 list_for_each_entry(component, &card->aux_comp_list, card_aux_list) 1010 #define for_each_card_auxs_safe(card, component, _comp) \ 1011 list_for_each_entry_safe(component, _comp, \ 1012 &card->aux_comp_list, card_aux_list) 1013 1014 #define for_each_card_components(card, component) \ 1015 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1016 1017 #define for_each_card_dapms(card, dapm) \ 1018 list_for_each_entry(dapm, &card->dapm_list, list) 1019 1020 #define for_each_card_widgets(card, w)\ 1021 list_for_each_entry(w, &card->widgets, list) 1022 #define for_each_card_widgets_safe(card, w, _w) \ 1023 list_for_each_entry_safe(w, _w, &card->widgets, list) 1024 1025 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1026 struct snd_soc_pcm_runtime { 1027 struct device *dev; 1028 struct snd_soc_card *card; 1029 struct snd_soc_dai_link *dai_link; 1030 struct snd_pcm_ops ops; 1031 1032 unsigned int params_select; /* currently selected param for dai link */ 1033 1034 /* Dynamic PCM BE runtime data */ 1035 struct snd_soc_dpcm_runtime dpcm[2]; 1036 1037 long pmdown_time; 1038 1039 /* runtime devices */ 1040 struct snd_pcm *pcm; 1041 struct snd_compr *compr; 1042 1043 /* 1044 * dais = cpu_dai + codec_dai 1045 * see 1046 * soc_new_pcm_runtime() 1047 * asoc_rtd_to_cpu() 1048 * asoc_rtd_to_codec() 1049 */ 1050 struct snd_soc_dai **dais; 1051 unsigned int num_codecs; 1052 unsigned int num_cpus; 1053 1054 struct snd_soc_dapm_widget *playback_widget; 1055 struct snd_soc_dapm_widget *capture_widget; 1056 1057 struct delayed_work delayed_work; 1058 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd); 1059 #ifdef CONFIG_DEBUG_FS 1060 struct dentry *debugfs_dpcm_root; 1061 #endif 1062 1063 unsigned int num; /* 0-based and monotonic increasing */ 1064 struct list_head list; /* rtd list of the soc card */ 1065 1066 /* function mark */ 1067 struct snd_pcm_substream *mark_startup; 1068 struct snd_pcm_substream *mark_hw_params; 1069 struct snd_pcm_substream *mark_trigger; 1070 struct snd_compr_stream *mark_compr_startup; 1071 1072 /* bit field */ 1073 unsigned int pop_wait:1; 1074 unsigned int fe_compr:1; /* for Dynamic PCM */ 1075 1076 int num_components; 1077 struct snd_soc_component *components[]; /* CPU/Codec/Platform */ 1078 }; 1079 /* see soc_new_pcm_runtime() */ 1080 #define asoc_rtd_to_cpu(rtd, n) (rtd)->dais[n] 1081 #define asoc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->num_cpus] 1082 #define asoc_substream_to_rtd(substream) \ 1083 (struct snd_soc_pcm_runtime *)snd_pcm_substream_chip(substream) 1084 1085 #define for_each_rtd_components(rtd, i, component) \ 1086 for ((i) = 0, component = NULL; \ 1087 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\ 1088 (i)++) 1089 #define for_each_rtd_cpu_dais(rtd, i, dai) \ 1090 for ((i) = 0; \ 1091 ((i) < rtd->num_cpus) && ((dai) = asoc_rtd_to_cpu(rtd, i)); \ 1092 (i)++) 1093 #define for_each_rtd_codec_dais(rtd, i, dai) \ 1094 for ((i) = 0; \ 1095 ((i) < rtd->num_codecs) && ((dai) = asoc_rtd_to_codec(rtd, i)); \ 1096 (i)++) 1097 #define for_each_rtd_dais(rtd, i, dai) \ 1098 for ((i) = 0; \ 1099 ((i) < (rtd)->num_cpus + (rtd)->num_codecs) && \ 1100 ((dai) = (rtd)->dais[i]); \ 1101 (i)++) 1102 1103 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); 1104 1105 /* mixer control */ 1106 struct soc_mixer_control { 1107 int min, max, platform_max; 1108 int reg, rreg; 1109 unsigned int shift, rshift; 1110 unsigned int sign_bit; 1111 unsigned int invert:1; 1112 unsigned int autodisable:1; 1113 #ifdef CONFIG_SND_SOC_TOPOLOGY 1114 struct snd_soc_dobj dobj; 1115 #endif 1116 }; 1117 1118 struct soc_bytes { 1119 int base; 1120 int num_regs; 1121 u32 mask; 1122 }; 1123 1124 struct soc_bytes_ext { 1125 int max; 1126 #ifdef CONFIG_SND_SOC_TOPOLOGY 1127 struct snd_soc_dobj dobj; 1128 #endif 1129 /* used for TLV byte control */ 1130 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1131 unsigned int size); 1132 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1133 unsigned int size); 1134 }; 1135 1136 /* multi register control */ 1137 struct soc_mreg_control { 1138 long min, max; 1139 unsigned int regbase, regcount, nbits, invert; 1140 }; 1141 1142 /* enumerated kcontrol */ 1143 struct soc_enum { 1144 int reg; 1145 unsigned char shift_l; 1146 unsigned char shift_r; 1147 unsigned int items; 1148 unsigned int mask; 1149 const char * const *texts; 1150 const unsigned int *values; 1151 unsigned int autodisable:1; 1152 #ifdef CONFIG_SND_SOC_TOPOLOGY 1153 struct snd_soc_dobj dobj; 1154 #endif 1155 }; 1156 1157 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1158 { 1159 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1160 return false; 1161 /* 1162 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1163 * mc->reg != mc->rreg means that the control is 1164 * stereo (bits in one register or in two registers) 1165 */ 1166 return true; 1167 } 1168 1169 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, 1170 unsigned int val) 1171 { 1172 unsigned int i; 1173 1174 if (!e->values) 1175 return val; 1176 1177 for (i = 0; i < e->items; i++) 1178 if (val == e->values[i]) 1179 return i; 1180 1181 return 0; 1182 } 1183 1184 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, 1185 unsigned int item) 1186 { 1187 if (!e->values) 1188 return item; 1189 1190 return e->values[item]; 1191 } 1192 1193 /** 1194 * snd_soc_kcontrol_component() - Returns the component that registered the 1195 * control 1196 * @kcontrol: The control for which to get the component 1197 * 1198 * Note: This function will work correctly if the control has been registered 1199 * for a component. With snd_soc_add_codec_controls() or via table based 1200 * setup for either a CODEC or component driver. Otherwise the behavior is 1201 * undefined. 1202 */ 1203 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1204 struct snd_kcontrol *kcontrol) 1205 { 1206 return snd_kcontrol_chip(kcontrol); 1207 } 1208 1209 int snd_soc_util_init(void); 1210 void snd_soc_util_exit(void); 1211 1212 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1213 const char *propname); 1214 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1215 const char *propname); 1216 int snd_soc_of_get_slot_mask(struct device_node *np, 1217 const char *prop_name, 1218 unsigned int *mask); 1219 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1220 unsigned int *tx_mask, 1221 unsigned int *rx_mask, 1222 unsigned int *slots, 1223 unsigned int *slot_width); 1224 void snd_soc_of_parse_node_prefix(struct device_node *np, 1225 struct snd_soc_codec_conf *codec_conf, 1226 struct device_node *of_node, 1227 const char *propname); 1228 static inline 1229 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1230 struct snd_soc_codec_conf *codec_conf, 1231 struct device_node *of_node, 1232 const char *propname) 1233 { 1234 snd_soc_of_parse_node_prefix(card->dev->of_node, 1235 codec_conf, of_node, propname); 1236 } 1237 1238 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1239 const char *propname); 1240 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); 1241 1242 unsigned int snd_soc_daifmt_clock_provider_fliped(unsigned int dai_fmt); 1243 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); 1244 1245 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); 1246 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, 1247 const char *prefix, 1248 struct device_node **bitclkmaster, 1249 struct device_node **framemaster); 1250 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \ 1251 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL) 1252 #define snd_soc_daifmt_parse_clock_provider_as_phandle \ 1253 snd_soc_daifmt_parse_clock_provider_raw 1254 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \ 1255 snd_soc_daifmt_clock_provider_from_bitmap( \ 1256 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) 1257 1258 int snd_soc_get_dai_id(struct device_node *ep); 1259 int snd_soc_get_dai_name(const struct of_phandle_args *args, 1260 const char **dai_name); 1261 int snd_soc_of_get_dai_name(struct device_node *of_node, 1262 const char **dai_name); 1263 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1264 struct device_node *of_node, 1265 struct snd_soc_dai_link *dai_link); 1266 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1267 1268 int snd_soc_add_pcm_runtime(struct snd_soc_card *card, 1269 struct snd_soc_dai_link *dai_link); 1270 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, 1271 struct snd_soc_pcm_runtime *rtd); 1272 1273 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, 1274 struct snd_soc_dai_driver *dai_drv, 1275 bool legacy_dai_naming); 1276 struct snd_soc_dai *devm_snd_soc_register_dai(struct device *dev, 1277 struct snd_soc_component *component, 1278 struct snd_soc_dai_driver *dai_drv, 1279 bool legacy_dai_naming); 1280 void snd_soc_unregister_dai(struct snd_soc_dai *dai); 1281 1282 struct snd_soc_dai *snd_soc_find_dai( 1283 const struct snd_soc_dai_link_component *dlc); 1284 struct snd_soc_dai *snd_soc_find_dai_with_mutex( 1285 const struct snd_soc_dai_link_component *dlc); 1286 1287 #include <sound/soc-dai.h> 1288 1289 static inline 1290 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1291 const char *platform_name) 1292 { 1293 struct snd_soc_dai_link *dai_link; 1294 const char *name; 1295 int i; 1296 1297 if (!platform_name) /* nothing to do */ 1298 return 0; 1299 1300 /* set platform name for each dailink */ 1301 for_each_card_prelinks(card, i, dai_link) { 1302 /* only single platform is supported for now */ 1303 if (dai_link->num_platforms != 1) 1304 return -EINVAL; 1305 1306 if (!dai_link->platforms) 1307 return -EINVAL; 1308 1309 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1310 if (!name) 1311 return -ENOMEM; 1312 1313 /* only single platform is supported for now */ 1314 dai_link->platforms->name = name; 1315 } 1316 1317 return 0; 1318 } 1319 1320 #ifdef CONFIG_DEBUG_FS 1321 extern struct dentry *snd_soc_debugfs_root; 1322 #endif 1323 1324 extern const struct dev_pm_ops snd_soc_pm_ops; 1325 1326 /* Helper functions */ 1327 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) 1328 { 1329 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1330 } 1331 1332 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) 1333 { 1334 mutex_unlock(&dapm->card->dapm_mutex); 1335 } 1336 1337 #include <sound/soc-component.h> 1338 #include <sound/soc-card.h> 1339 #include <sound/soc-jack.h> 1340 1341 #endif 1342