1 /* 2 * linux/sound/soc.h -- ALSA SoC Layer 3 * 4 * Author: Liam Girdwood 5 * Created: Aug 11th 2005 6 * Copyright: Wolfson Microelectronics. PLC. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13 #ifndef __LINUX_SND_SOC_H 14 #define __LINUX_SND_SOC_H 15 16 #include <linux/of.h> 17 #include <linux/platform_device.h> 18 #include <linux/types.h> 19 #include <linux/notifier.h> 20 #include <linux/workqueue.h> 21 #include <linux/interrupt.h> 22 #include <linux/kernel.h> 23 #include <linux/regmap.h> 24 #include <linux/log2.h> 25 #include <sound/core.h> 26 #include <sound/pcm.h> 27 #include <sound/compress_driver.h> 28 #include <sound/control.h> 29 #include <sound/ac97_codec.h> 30 #include <sound/soc-topology.h> 31 32 /* 33 * Convenience kcontrol builders 34 */ 35 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \ 36 ((unsigned long)&(struct soc_mixer_control) \ 37 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 38 .rshift = shift_right, .max = xmax, .platform_max = xmax, \ 39 .invert = xinvert, .autodisable = xautodisable}) 40 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \ 41 ((unsigned long)&(struct soc_mixer_control) \ 42 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 43 .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \ 44 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable}) 45 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \ 46 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable) 47 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ 48 ((unsigned long)&(struct soc_mixer_control) \ 49 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert}) 50 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ 51 ((unsigned long)&(struct soc_mixer_control) \ 52 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 53 .max = xmax, .platform_max = xmax, .invert = xinvert}) 54 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ 55 ((unsigned long)&(struct soc_mixer_control) \ 56 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 57 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \ 58 .invert = xinvert}) 59 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ 60 ((unsigned long)&(struct soc_mixer_control) \ 61 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 62 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert}) 63 #define SOC_SINGLE(xname, reg, shift, max, invert) \ 64 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 65 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 66 .put = snd_soc_put_volsw, \ 67 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 68 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ 69 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 70 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ 71 .put = snd_soc_put_volsw_range, \ 72 .private_value = (unsigned long)&(struct soc_mixer_control) \ 73 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 74 .rshift = xshift, .min = xmin, .max = xmax, \ 75 .platform_max = xmax, .invert = xinvert} } 76 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 77 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 78 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 79 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 80 .tlv.p = (tlv_array), \ 81 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 82 .put = snd_soc_put_volsw, \ 83 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 84 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ 85 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 86 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 87 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 88 .tlv.p = (tlv_array),\ 89 .info = snd_soc_info_volsw_sx, \ 90 .get = snd_soc_get_volsw_sx,\ 91 .put = snd_soc_put_volsw_sx, \ 92 .private_value = (unsigned long)&(struct soc_mixer_control) \ 93 {.reg = xreg, .rreg = xreg, \ 94 .shift = xshift, .rshift = xshift, \ 95 .max = xmax, .min = xmin} } 96 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ 97 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 98 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 99 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 100 .tlv.p = (tlv_array), \ 101 .info = snd_soc_info_volsw_range, \ 102 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 103 .private_value = (unsigned long)&(struct soc_mixer_control) \ 104 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 105 .rshift = xshift, .min = xmin, .max = xmax, \ 106 .platform_max = xmax, .invert = xinvert} } 107 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ 108 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 109 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 110 .put = snd_soc_put_volsw, \ 111 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 112 max, invert, 0) } 113 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ 114 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 115 .info = snd_soc_info_volsw, \ 116 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 117 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 118 xmax, xinvert) } 119 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ 120 xmax, xinvert) \ 121 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 122 .info = snd_soc_info_volsw_range, \ 123 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 124 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 125 xshift, xmin, xmax, xinvert) } 126 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ 127 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 128 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 129 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 130 .tlv.p = (tlv_array), \ 131 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 132 .put = snd_soc_put_volsw, \ 133 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 134 max, invert, 0) } 135 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ 136 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 137 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 138 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 139 .tlv.p = (tlv_array), \ 140 .info = snd_soc_info_volsw, \ 141 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 142 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 143 xmax, xinvert) } 144 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ 145 xmax, xinvert, tlv_array) \ 146 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 147 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 148 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 149 .tlv.p = (tlv_array), \ 150 .info = snd_soc_info_volsw_range, \ 151 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 152 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 153 xshift, xmin, xmax, xinvert) } 154 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ 155 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 156 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 157 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 158 .tlv.p = (tlv_array), \ 159 .info = snd_soc_info_volsw_sx, \ 160 .get = snd_soc_get_volsw_sx, \ 161 .put = snd_soc_put_volsw_sx, \ 162 .private_value = (unsigned long)&(struct soc_mixer_control) \ 163 {.reg = xreg, .rreg = xrreg, \ 164 .shift = xshift, .rshift = xshift, \ 165 .max = xmax, .min = xmin} } 166 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ 167 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 168 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 169 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 170 .tlv.p = (tlv_array), \ 171 .info = snd_soc_info_volsw, \ 172 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 173 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 174 xmin, xmax, xsign_bit, xinvert) } 175 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 176 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 177 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 178 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 179 .tlv.p = (tlv_array), \ 180 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 181 .put = snd_soc_put_volsw, \ 182 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) } 183 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ 184 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 185 .items = xitems, .texts = xtexts, \ 186 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} 187 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ 188 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) 189 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ 190 { .items = xitems, .texts = xtexts } 191 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \ 192 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 193 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} 194 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 195 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues) 196 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 197 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \ 198 .mask = xmask, .items = xitems, .texts = xtexts, \ 199 .values = xvalues, .autodisable = 1} 200 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ 201 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) 202 #define SOC_ENUM(xname, xenum) \ 203 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 204 .info = snd_soc_info_enum_double, \ 205 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ 206 .private_value = (unsigned long)&xenum } 207 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ 208 xhandler_get, xhandler_put) \ 209 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 210 .info = snd_soc_info_volsw, \ 211 .get = xhandler_get, .put = xhandler_put, \ 212 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 213 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ 214 xhandler_get, xhandler_put) \ 215 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 216 .info = snd_soc_info_volsw, \ 217 .get = xhandler_get, .put = xhandler_put, \ 218 .private_value = \ 219 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) } 220 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 221 xhandler_get, xhandler_put) \ 222 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 223 .info = snd_soc_info_volsw, \ 224 .get = xhandler_get, .put = xhandler_put, \ 225 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 226 xmax, xinvert) } 227 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ 228 xhandler_get, xhandler_put, tlv_array) \ 229 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 230 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 231 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 232 .tlv.p = (tlv_array), \ 233 .info = snd_soc_info_volsw, \ 234 .get = xhandler_get, .put = xhandler_put, \ 235 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 236 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ 237 xhandler_get, xhandler_put, tlv_array) \ 238 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 239 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 240 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 241 .tlv.p = (tlv_array), \ 242 .info = snd_soc_info_volsw_range, \ 243 .get = xhandler_get, .put = xhandler_put, \ 244 .private_value = (unsigned long)&(struct soc_mixer_control) \ 245 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 246 .rshift = xshift, .min = xmin, .max = xmax, \ 247 .platform_max = xmax, .invert = xinvert} } 248 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ 249 xhandler_get, xhandler_put, tlv_array) \ 250 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 251 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 252 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 253 .tlv.p = (tlv_array), \ 254 .info = snd_soc_info_volsw, \ 255 .get = xhandler_get, .put = xhandler_put, \ 256 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 257 xmax, xinvert, 0) } 258 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 259 xhandler_get, xhandler_put, tlv_array) \ 260 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 261 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 262 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 263 .tlv.p = (tlv_array), \ 264 .info = snd_soc_info_volsw, \ 265 .get = xhandler_get, .put = xhandler_put, \ 266 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 267 xmax, xinvert) } 268 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 269 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 270 .info = snd_soc_info_bool_ext, \ 271 .get = xhandler_get, .put = xhandler_put, \ 272 .private_value = xdata } 273 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 274 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 275 .info = snd_soc_info_enum_double, \ 276 .get = xhandler_get, .put = xhandler_put, \ 277 .private_value = (unsigned long)&xenum } 278 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 279 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) 280 281 #define SND_SOC_BYTES(xname, xbase, xregs) \ 282 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 283 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 284 .put = snd_soc_bytes_put, .private_value = \ 285 ((unsigned long)&(struct soc_bytes) \ 286 {.base = xbase, .num_regs = xregs }) } 287 288 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 289 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 290 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 291 .put = snd_soc_bytes_put, .private_value = \ 292 ((unsigned long)&(struct soc_bytes) \ 293 {.base = xbase, .num_regs = xregs, \ 294 .mask = xmask }) } 295 296 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ 297 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 298 .info = snd_soc_bytes_info_ext, \ 299 .get = xhandler_get, .put = xhandler_put, \ 300 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 301 {.max = xcount} } 302 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ 303 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 304 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ 305 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 306 .tlv.c = (snd_soc_bytes_tlv_callback), \ 307 .info = snd_soc_bytes_info_ext, \ 308 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 309 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } 310 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 311 xmin, xmax, xinvert) \ 312 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 313 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 314 .put = snd_soc_put_xr_sx, \ 315 .private_value = (unsigned long)&(struct soc_mreg_control) \ 316 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 317 .invert = xinvert, .min = xmin, .max = xmax} } 318 319 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 320 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 321 snd_soc_get_strobe, snd_soc_put_strobe) 322 323 /* 324 * Simplified versions of above macros, declaring a struct and calculating 325 * ARRAY_SIZE internally 326 */ 327 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 328 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 329 ARRAY_SIZE(xtexts), xtexts) 330 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 331 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 332 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 333 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 334 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 335 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 336 ARRAY_SIZE(xtexts), xtexts, xvalues) 337 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 338 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 339 340 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 341 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ 342 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) 343 344 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ 345 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) 346 347 /* 348 * Component probe and remove ordering levels for components with runtime 349 * dependencies. 350 */ 351 #define SND_SOC_COMP_ORDER_FIRST -2 352 #define SND_SOC_COMP_ORDER_EARLY -1 353 #define SND_SOC_COMP_ORDER_NORMAL 0 354 #define SND_SOC_COMP_ORDER_LATE 1 355 #define SND_SOC_COMP_ORDER_LAST 2 356 357 /* 358 * Bias levels 359 * 360 * @ON: Bias is fully on for audio playback and capture operations. 361 * @PREPARE: Prepare for audio operations. Called before DAPM switching for 362 * stream start and stop operations. 363 * @STANDBY: Low power standby state when no playback/capture operations are 364 * in progress. NOTE: The transition time between STANDBY and ON 365 * should be as fast as possible and no longer than 10ms. 366 * @OFF: Power Off. No restrictions on transition times. 367 */ 368 enum snd_soc_bias_level { 369 SND_SOC_BIAS_OFF = 0, 370 SND_SOC_BIAS_STANDBY = 1, 371 SND_SOC_BIAS_PREPARE = 2, 372 SND_SOC_BIAS_ON = 3, 373 }; 374 375 struct device_node; 376 struct snd_jack; 377 struct snd_soc_card; 378 struct snd_soc_pcm_stream; 379 struct snd_soc_ops; 380 struct snd_soc_pcm_runtime; 381 struct snd_soc_dai; 382 struct snd_soc_dai_driver; 383 struct snd_soc_platform; 384 struct snd_soc_dai_link; 385 struct snd_soc_platform_driver; 386 struct snd_soc_codec; 387 struct snd_soc_codec_driver; 388 struct snd_soc_component; 389 struct snd_soc_component_driver; 390 struct soc_enum; 391 struct snd_soc_jack; 392 struct snd_soc_jack_zone; 393 struct snd_soc_jack_pin; 394 #include <sound/soc-dapm.h> 395 #include <sound/soc-dpcm.h> 396 397 struct snd_soc_jack_gpio; 398 399 typedef int (*hw_write_t)(void *,const char* ,int); 400 401 enum snd_soc_pcm_subclass { 402 SND_SOC_PCM_CLASS_PCM = 0, 403 SND_SOC_PCM_CLASS_BE = 1, 404 }; 405 406 enum snd_soc_card_subclass { 407 SND_SOC_CARD_CLASS_INIT = 0, 408 SND_SOC_CARD_CLASS_RUNTIME = 1, 409 }; 410 411 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, 412 int source, unsigned int freq, int dir); 413 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, 414 unsigned int freq_in, unsigned int freq_out); 415 416 int snd_soc_register_card(struct snd_soc_card *card); 417 int snd_soc_unregister_card(struct snd_soc_card *card); 418 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 419 #ifdef CONFIG_PM_SLEEP 420 int snd_soc_suspend(struct device *dev); 421 int snd_soc_resume(struct device *dev); 422 #else 423 static inline int snd_soc_suspend(struct device *dev) 424 { 425 return 0; 426 } 427 428 static inline int snd_soc_resume(struct device *dev) 429 { 430 return 0; 431 } 432 #endif 433 int snd_soc_poweroff(struct device *dev); 434 int snd_soc_register_platform(struct device *dev, 435 const struct snd_soc_platform_driver *platform_drv); 436 int devm_snd_soc_register_platform(struct device *dev, 437 const struct snd_soc_platform_driver *platform_drv); 438 void snd_soc_unregister_platform(struct device *dev); 439 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, 440 const struct snd_soc_platform_driver *platform_drv); 441 void snd_soc_remove_platform(struct snd_soc_platform *platform); 442 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev); 443 int snd_soc_register_codec(struct device *dev, 444 const struct snd_soc_codec_driver *codec_drv, 445 struct snd_soc_dai_driver *dai_drv, int num_dai); 446 void snd_soc_unregister_codec(struct device *dev); 447 int snd_soc_register_component(struct device *dev, 448 const struct snd_soc_component_driver *cmpnt_drv, 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 *cmpnt_drv, 452 struct snd_soc_dai_driver *dai_drv, int num_dai); 453 void snd_soc_unregister_component(struct device *dev); 454 int snd_soc_cache_init(struct snd_soc_codec *codec); 455 int snd_soc_cache_exit(struct snd_soc_codec *codec); 456 457 int snd_soc_platform_read(struct snd_soc_platform *platform, 458 unsigned int reg); 459 int snd_soc_platform_write(struct snd_soc_platform *platform, 460 unsigned int reg, unsigned int val); 461 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 462 #ifdef CONFIG_SND_SOC_COMPRESS 463 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 464 #endif 465 466 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, 467 const char *dai_link, int stream); 468 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 469 const char *dai_link); 470 471 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 472 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); 473 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); 474 475 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 476 unsigned int dai_fmt); 477 478 /* Utility functions to get clock rates from various things */ 479 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 480 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 481 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 482 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 483 484 /* set runtime hw params */ 485 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 486 const struct snd_pcm_hardware *hw); 487 488 int snd_soc_platform_trigger(struct snd_pcm_substream *substream, 489 int cmd, struct snd_soc_platform *platform); 490 491 int soc_dai_hw_params(struct snd_pcm_substream *substream, 492 struct snd_pcm_hw_params *params, 493 struct snd_soc_dai *dai); 494 495 /* Jack reporting */ 496 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type, 497 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins, 498 unsigned int num_pins); 499 500 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); 501 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, 502 struct snd_soc_jack_pin *pins); 503 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, 504 struct notifier_block *nb); 505 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, 506 struct notifier_block *nb); 507 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, 508 struct snd_soc_jack_zone *zones); 509 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); 510 #ifdef CONFIG_GPIOLIB 511 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 512 struct snd_soc_jack_gpio *gpios); 513 int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 514 struct snd_soc_jack *jack, 515 int count, struct snd_soc_jack_gpio *gpios); 516 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 517 struct snd_soc_jack_gpio *gpios); 518 #else 519 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 520 struct snd_soc_jack_gpio *gpios) 521 { 522 return 0; 523 } 524 525 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 526 struct snd_soc_jack *jack, 527 int count, 528 struct snd_soc_jack_gpio *gpios) 529 { 530 return 0; 531 } 532 533 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 534 struct snd_soc_jack_gpio *gpios) 535 { 536 } 537 #endif 538 539 /* codec register bit access */ 540 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg, 541 unsigned int mask, unsigned int value); 542 int snd_soc_update_bits_locked(struct snd_soc_codec *codec, 543 unsigned int reg, unsigned int mask, 544 unsigned int value); 545 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg, 546 unsigned int mask, unsigned int value); 547 548 #ifdef CONFIG_SND_SOC_AC97_BUS 549 struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec); 550 struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec, 551 unsigned int id, unsigned int id_mask); 552 void snd_soc_free_ac97_codec(struct snd_ac97 *ac97); 553 554 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 555 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 556 struct platform_device *pdev); 557 558 extern struct snd_ac97_bus_ops *soc_ac97_ops; 559 #else 560 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 561 struct platform_device *pdev) 562 { 563 return 0; 564 } 565 566 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 567 { 568 return 0; 569 } 570 #endif 571 572 /* 573 *Controls 574 */ 575 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 576 void *data, const char *long_name, 577 const char *prefix); 578 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, 579 const char *name); 580 int snd_soc_add_component_controls(struct snd_soc_component *component, 581 const struct snd_kcontrol_new *controls, unsigned int num_controls); 582 int snd_soc_add_codec_controls(struct snd_soc_codec *codec, 583 const struct snd_kcontrol_new *controls, unsigned int num_controls); 584 int snd_soc_add_platform_controls(struct snd_soc_platform *platform, 585 const struct snd_kcontrol_new *controls, unsigned int num_controls); 586 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 587 const struct snd_kcontrol_new *controls, int num_controls); 588 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 589 const struct snd_kcontrol_new *controls, int num_controls); 590 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 591 struct snd_ctl_elem_info *uinfo); 592 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 593 struct snd_ctl_elem_value *ucontrol); 594 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 595 struct snd_ctl_elem_value *ucontrol); 596 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 597 struct snd_ctl_elem_info *uinfo); 598 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 599 struct snd_ctl_elem_info *uinfo); 600 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 601 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 602 struct snd_ctl_elem_value *ucontrol); 603 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 604 struct snd_ctl_elem_value *ucontrol); 605 #define snd_soc_get_volsw_2r snd_soc_get_volsw 606 #define snd_soc_put_volsw_2r snd_soc_put_volsw 607 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 608 struct snd_ctl_elem_value *ucontrol); 609 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 610 struct snd_ctl_elem_value *ucontrol); 611 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 612 struct snd_ctl_elem_info *uinfo); 613 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 614 struct snd_ctl_elem_value *ucontrol); 615 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 616 struct snd_ctl_elem_value *ucontrol); 617 int snd_soc_limit_volume(struct snd_soc_card *card, 618 const char *name, int max); 619 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 620 struct snd_ctl_elem_info *uinfo); 621 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 622 struct snd_ctl_elem_value *ucontrol); 623 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 624 struct snd_ctl_elem_value *ucontrol); 625 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 626 struct snd_ctl_elem_info *ucontrol); 627 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 628 unsigned int size, unsigned int __user *tlv); 629 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 630 struct snd_ctl_elem_info *uinfo); 631 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 632 struct snd_ctl_elem_value *ucontrol); 633 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 634 struct snd_ctl_elem_value *ucontrol); 635 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 636 struct snd_ctl_elem_value *ucontrol); 637 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 638 struct snd_ctl_elem_value *ucontrol); 639 640 /** 641 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection 642 * 643 * @pin: name of the pin to update 644 * @mask: bits to check for in reported jack status 645 * @invert: if non-zero then pin is enabled when status is not reported 646 * @list: internal list entry 647 */ 648 struct snd_soc_jack_pin { 649 struct list_head list; 650 const char *pin; 651 int mask; 652 bool invert; 653 }; 654 655 /** 656 * struct snd_soc_jack_zone - Describes voltage zones of jack detection 657 * 658 * @min_mv: start voltage in mv 659 * @max_mv: end voltage in mv 660 * @jack_type: type of jack that is expected for this voltage 661 * @debounce_time: debounce_time for jack, codec driver should wait for this 662 * duration before reading the adc for voltages 663 * @list: internal list entry 664 */ 665 struct snd_soc_jack_zone { 666 unsigned int min_mv; 667 unsigned int max_mv; 668 unsigned int jack_type; 669 unsigned int debounce_time; 670 struct list_head list; 671 }; 672 673 /** 674 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection 675 * 676 * @gpio: legacy gpio number 677 * @idx: gpio descriptor index within the function of the GPIO 678 * consumer device 679 * @gpiod_dev: GPIO consumer device 680 * @name: gpio name. Also as connection ID for the GPIO consumer 681 * device function name lookup 682 * @report: value to report when jack detected 683 * @invert: report presence in low state 684 * @debounce_time: debounce time in ms 685 * @wake: enable as wake source 686 * @jack_status_check: callback function which overrides the detection 687 * to provide more complex checks (eg, reading an 688 * ADC). 689 */ 690 struct snd_soc_jack_gpio { 691 unsigned int gpio; 692 unsigned int idx; 693 struct device *gpiod_dev; 694 const char *name; 695 int report; 696 int invert; 697 int debounce_time; 698 bool wake; 699 700 /* private: */ 701 struct snd_soc_jack *jack; 702 struct delayed_work work; 703 struct gpio_desc *desc; 704 705 void *data; 706 /* public: */ 707 int (*jack_status_check)(void *data); 708 }; 709 710 struct snd_soc_jack { 711 struct mutex mutex; 712 struct snd_jack *jack; 713 struct snd_soc_card *card; 714 struct list_head pins; 715 int status; 716 struct blocking_notifier_head notifier; 717 struct list_head jack_zones; 718 }; 719 720 /* SoC PCM stream information */ 721 struct snd_soc_pcm_stream { 722 const char *stream_name; 723 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 724 unsigned int rates; /* SNDRV_PCM_RATE_* */ 725 unsigned int rate_min; /* min rate */ 726 unsigned int rate_max; /* max rate */ 727 unsigned int channels_min; /* min channels */ 728 unsigned int channels_max; /* max channels */ 729 unsigned int sig_bits; /* number of bits of content */ 730 }; 731 732 /* SoC audio ops */ 733 struct snd_soc_ops { 734 int (*startup)(struct snd_pcm_substream *); 735 void (*shutdown)(struct snd_pcm_substream *); 736 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 737 int (*hw_free)(struct snd_pcm_substream *); 738 int (*prepare)(struct snd_pcm_substream *); 739 int (*trigger)(struct snd_pcm_substream *, int); 740 }; 741 742 struct snd_soc_compr_ops { 743 int (*startup)(struct snd_compr_stream *); 744 void (*shutdown)(struct snd_compr_stream *); 745 int (*set_params)(struct snd_compr_stream *); 746 int (*trigger)(struct snd_compr_stream *); 747 }; 748 749 /* component interface */ 750 struct snd_soc_component_driver { 751 const char *name; 752 753 /* Default control and setup, added after probe() is run */ 754 const struct snd_kcontrol_new *controls; 755 unsigned int num_controls; 756 const struct snd_soc_dapm_widget *dapm_widgets; 757 unsigned int num_dapm_widgets; 758 const struct snd_soc_dapm_route *dapm_routes; 759 unsigned int num_dapm_routes; 760 761 int (*probe)(struct snd_soc_component *); 762 void (*remove)(struct snd_soc_component *); 763 764 /* DT */ 765 int (*of_xlate_dai_name)(struct snd_soc_component *component, 766 struct of_phandle_args *args, 767 const char **dai_name); 768 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type, 769 int subseq); 770 int (*stream_event)(struct snd_soc_component *, int event); 771 772 /* probe ordering - for components with runtime dependencies */ 773 int probe_order; 774 int remove_order; 775 }; 776 777 struct snd_soc_component { 778 const char *name; 779 int id; 780 const char *name_prefix; 781 struct device *dev; 782 struct snd_soc_card *card; 783 784 unsigned int active; 785 786 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ 787 unsigned int registered_as_component:1; 788 789 struct list_head list; 790 791 struct snd_soc_dai_driver *dai_drv; 792 int num_dai; 793 794 const struct snd_soc_component_driver *driver; 795 796 struct list_head dai_list; 797 798 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *); 799 int (*write)(struct snd_soc_component *, unsigned int, unsigned int); 800 801 struct regmap *regmap; 802 int val_bytes; 803 804 struct mutex io_mutex; 805 806 /* attached dynamic objects */ 807 struct list_head dobj_list; 808 809 #ifdef CONFIG_DEBUG_FS 810 struct dentry *debugfs_root; 811 #endif 812 813 /* 814 * DO NOT use any of the fields below in drivers, they are temporary and 815 * are going to be removed again soon. If you use them in driver code the 816 * driver will be marked as BROKEN when these fields are removed. 817 */ 818 819 /* Don't use these, use snd_soc_component_get_dapm() */ 820 struct snd_soc_dapm_context dapm; 821 822 const struct snd_kcontrol_new *controls; 823 unsigned int num_controls; 824 const struct snd_soc_dapm_widget *dapm_widgets; 825 unsigned int num_dapm_widgets; 826 const struct snd_soc_dapm_route *dapm_routes; 827 unsigned int num_dapm_routes; 828 struct snd_soc_codec *codec; 829 830 int (*probe)(struct snd_soc_component *); 831 void (*remove)(struct snd_soc_component *); 832 833 #ifdef CONFIG_DEBUG_FS 834 void (*init_debugfs)(struct snd_soc_component *component); 835 const char *debugfs_prefix; 836 #endif 837 }; 838 839 /* SoC Audio Codec device */ 840 struct snd_soc_codec { 841 struct device *dev; 842 const struct snd_soc_codec_driver *driver; 843 844 struct list_head list; 845 struct list_head card_list; 846 847 /* runtime */ 848 unsigned int cache_bypass:1; /* Suppress access to the cache */ 849 unsigned int suspended:1; /* Codec is in suspend PM state */ 850 unsigned int cache_init:1; /* codec cache has been initialized */ 851 852 /* codec IO */ 853 void *control_data; /* codec control (i2c/3wire) data */ 854 hw_write_t hw_write; 855 void *reg_cache; 856 857 /* component */ 858 struct snd_soc_component component; 859 860 #ifdef CONFIG_DEBUG_FS 861 struct dentry *debugfs_reg; 862 #endif 863 }; 864 865 /* codec driver */ 866 struct snd_soc_codec_driver { 867 868 /* driver ops */ 869 int (*probe)(struct snd_soc_codec *); 870 int (*remove)(struct snd_soc_codec *); 871 int (*suspend)(struct snd_soc_codec *); 872 int (*resume)(struct snd_soc_codec *); 873 struct snd_soc_component_driver component_driver; 874 875 /* Default control and setup, added after probe() is run */ 876 const struct snd_kcontrol_new *controls; 877 int num_controls; 878 const struct snd_soc_dapm_widget *dapm_widgets; 879 int num_dapm_widgets; 880 const struct snd_soc_dapm_route *dapm_routes; 881 int num_dapm_routes; 882 883 /* codec wide operations */ 884 int (*set_sysclk)(struct snd_soc_codec *codec, 885 int clk_id, int source, unsigned int freq, int dir); 886 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, 887 unsigned int freq_in, unsigned int freq_out); 888 889 /* codec IO */ 890 struct regmap *(*get_regmap)(struct device *); 891 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 892 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 893 unsigned int reg_cache_size; 894 short reg_cache_step; 895 short reg_word_size; 896 const void *reg_cache_default; 897 898 /* codec bias level */ 899 int (*set_bias_level)(struct snd_soc_codec *, 900 enum snd_soc_bias_level level); 901 bool idle_bias_off; 902 bool suspend_bias_off; 903 904 void (*seq_notifier)(struct snd_soc_dapm_context *, 905 enum snd_soc_dapm_type, int); 906 907 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ 908 }; 909 910 /* SoC platform interface */ 911 struct snd_soc_platform_driver { 912 913 int (*probe)(struct snd_soc_platform *); 914 int (*remove)(struct snd_soc_platform *); 915 struct snd_soc_component_driver component_driver; 916 917 /* pcm creation and destruction */ 918 int (*pcm_new)(struct snd_soc_pcm_runtime *); 919 void (*pcm_free)(struct snd_pcm *); 920 921 /* 922 * For platform caused delay reporting. 923 * Optional. 924 */ 925 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, 926 struct snd_soc_dai *); 927 928 /* platform stream pcm ops */ 929 const struct snd_pcm_ops *ops; 930 931 /* platform stream compress ops */ 932 const struct snd_compr_ops *compr_ops; 933 934 int (*bespoke_trigger)(struct snd_pcm_substream *, int); 935 }; 936 937 struct snd_soc_dai_link_component { 938 const char *name; 939 struct device_node *of_node; 940 const char *dai_name; 941 }; 942 943 struct snd_soc_platform { 944 struct device *dev; 945 const struct snd_soc_platform_driver *driver; 946 947 struct list_head list; 948 949 struct snd_soc_component component; 950 }; 951 952 struct snd_soc_dai_link { 953 /* config - must be set by machine driver */ 954 const char *name; /* Codec name */ 955 const char *stream_name; /* Stream name */ 956 /* 957 * You MAY specify the link's CPU-side device, either by device name, 958 * or by DT/OF node, but not both. If this information is omitted, 959 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 960 * must be globally unique. These fields are currently typically used 961 * only for codec to codec links, or systems using device tree. 962 */ 963 const char *cpu_name; 964 struct device_node *cpu_of_node; 965 /* 966 * You MAY specify the DAI name of the CPU DAI. If this information is 967 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 968 * only, which only works well when that device exposes a single DAI. 969 */ 970 const char *cpu_dai_name; 971 /* 972 * You MUST specify the link's codec, either by device name, or by 973 * DT/OF node, but not both. 974 */ 975 const char *codec_name; 976 struct device_node *codec_of_node; 977 /* You MUST specify the DAI name within the codec */ 978 const char *codec_dai_name; 979 980 struct snd_soc_dai_link_component *codecs; 981 unsigned int num_codecs; 982 983 /* 984 * You MAY specify the link's platform/PCM/DMA driver, either by 985 * device name, or by DT/OF node, but not both. Some forms of link 986 * do not need a platform. 987 */ 988 const char *platform_name; 989 struct device_node *platform_of_node; 990 int be_id; /* optional ID for machine driver BE identification */ 991 992 const struct snd_soc_pcm_stream *params; 993 unsigned int num_params; 994 995 unsigned int dai_fmt; /* format to set on init */ 996 997 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 998 999 /* codec/machine specific init - e.g. add machine controls */ 1000 int (*init)(struct snd_soc_pcm_runtime *rtd); 1001 1002 /* optional hw_params re-writing for BE and FE sync */ 1003 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 1004 struct snd_pcm_hw_params *params); 1005 1006 /* machine stream operations */ 1007 const struct snd_soc_ops *ops; 1008 const struct snd_soc_compr_ops *compr_ops; 1009 1010 /* For unidirectional dai links */ 1011 bool playback_only; 1012 bool capture_only; 1013 1014 /* Mark this pcm with non atomic ops */ 1015 bool nonatomic; 1016 1017 /* Keep DAI active over suspend */ 1018 unsigned int ignore_suspend:1; 1019 1020 /* Symmetry requirements */ 1021 unsigned int symmetric_rates:1; 1022 unsigned int symmetric_channels:1; 1023 unsigned int symmetric_samplebits:1; 1024 1025 /* Do not create a PCM for this DAI link (Backend link) */ 1026 unsigned int no_pcm:1; 1027 1028 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 1029 unsigned int dynamic:1; 1030 1031 /* DPCM capture and Playback support */ 1032 unsigned int dpcm_capture:1; 1033 unsigned int dpcm_playback:1; 1034 1035 /* DPCM used FE & BE merged format */ 1036 unsigned int dpcm_merged_format:1; 1037 1038 /* pmdown_time is ignored at stop */ 1039 unsigned int ignore_pmdown_time:1; 1040 }; 1041 1042 struct snd_soc_codec_conf { 1043 /* 1044 * specify device either by device name, or by 1045 * DT/OF node, but not both. 1046 */ 1047 const char *dev_name; 1048 struct device_node *of_node; 1049 1050 /* 1051 * optional map of kcontrol, widget and path name prefixes that are 1052 * associated per device 1053 */ 1054 const char *name_prefix; 1055 }; 1056 1057 struct snd_soc_aux_dev { 1058 const char *name; /* Codec name */ 1059 1060 /* 1061 * specify multi-codec either by device name, or by 1062 * DT/OF node, but not both. 1063 */ 1064 const char *codec_name; 1065 struct device_node *codec_of_node; 1066 1067 /* codec/machine specific init - e.g. add machine controls */ 1068 int (*init)(struct snd_soc_component *component); 1069 }; 1070 1071 /* SoC card */ 1072 struct snd_soc_card { 1073 const char *name; 1074 const char *long_name; 1075 const char *driver_name; 1076 struct device *dev; 1077 struct snd_card *snd_card; 1078 struct module *owner; 1079 1080 struct mutex mutex; 1081 struct mutex dapm_mutex; 1082 1083 bool instantiated; 1084 1085 int (*probe)(struct snd_soc_card *card); 1086 int (*late_probe)(struct snd_soc_card *card); 1087 int (*remove)(struct snd_soc_card *card); 1088 1089 /* the pre and post PM functions are used to do any PM work before and 1090 * after the codec and DAI's do any PM work. */ 1091 int (*suspend_pre)(struct snd_soc_card *card); 1092 int (*suspend_post)(struct snd_soc_card *card); 1093 int (*resume_pre)(struct snd_soc_card *card); 1094 int (*resume_post)(struct snd_soc_card *card); 1095 1096 /* callbacks */ 1097 int (*set_bias_level)(struct snd_soc_card *, 1098 struct snd_soc_dapm_context *dapm, 1099 enum snd_soc_bias_level level); 1100 int (*set_bias_level_post)(struct snd_soc_card *, 1101 struct snd_soc_dapm_context *dapm, 1102 enum snd_soc_bias_level level); 1103 1104 long pmdown_time; 1105 1106 /* CPU <--> Codec DAI links */ 1107 struct snd_soc_dai_link *dai_link; 1108 int num_links; 1109 struct snd_soc_pcm_runtime *rtd; 1110 int num_rtd; 1111 1112 /* optional codec specific configuration */ 1113 struct snd_soc_codec_conf *codec_conf; 1114 int num_configs; 1115 1116 /* 1117 * optional auxiliary devices such as amplifiers or codecs with DAI 1118 * link unused 1119 */ 1120 struct snd_soc_aux_dev *aux_dev; 1121 int num_aux_devs; 1122 struct snd_soc_pcm_runtime *rtd_aux; 1123 int num_aux_rtd; 1124 1125 const struct snd_kcontrol_new *controls; 1126 int num_controls; 1127 1128 /* 1129 * Card-specific routes and widgets. 1130 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1131 */ 1132 const struct snd_soc_dapm_widget *dapm_widgets; 1133 int num_dapm_widgets; 1134 const struct snd_soc_dapm_route *dapm_routes; 1135 int num_dapm_routes; 1136 const struct snd_soc_dapm_widget *of_dapm_widgets; 1137 int num_of_dapm_widgets; 1138 const struct snd_soc_dapm_route *of_dapm_routes; 1139 int num_of_dapm_routes; 1140 bool fully_routed; 1141 1142 struct work_struct deferred_resume_work; 1143 1144 /* lists of probed devices belonging to this card */ 1145 struct list_head codec_dev_list; 1146 1147 struct list_head widgets; 1148 struct list_head paths; 1149 struct list_head dapm_list; 1150 struct list_head dapm_dirty; 1151 1152 /* attached dynamic objects */ 1153 struct list_head dobj_list; 1154 1155 /* Generic DAPM context for the card */ 1156 struct snd_soc_dapm_context dapm; 1157 struct snd_soc_dapm_stats dapm_stats; 1158 struct snd_soc_dapm_update *update; 1159 1160 #ifdef CONFIG_DEBUG_FS 1161 struct dentry *debugfs_card_root; 1162 struct dentry *debugfs_pop_time; 1163 #endif 1164 u32 pop_time; 1165 1166 void *drvdata; 1167 }; 1168 1169 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1170 struct snd_soc_pcm_runtime { 1171 struct device *dev; 1172 struct snd_soc_card *card; 1173 struct snd_soc_dai_link *dai_link; 1174 struct mutex pcm_mutex; 1175 enum snd_soc_pcm_subclass pcm_subclass; 1176 struct snd_pcm_ops ops; 1177 1178 unsigned int dev_registered:1; 1179 1180 /* Dynamic PCM BE runtime data */ 1181 struct snd_soc_dpcm_runtime dpcm[2]; 1182 int fe_compr; 1183 1184 long pmdown_time; 1185 unsigned char pop_wait:1; 1186 1187 /* runtime devices */ 1188 struct snd_pcm *pcm; 1189 struct snd_compr *compr; 1190 struct snd_soc_codec *codec; 1191 struct snd_soc_platform *platform; 1192 struct snd_soc_dai *codec_dai; 1193 struct snd_soc_dai *cpu_dai; 1194 struct snd_soc_component *component; /* Only valid for AUX dev rtds */ 1195 1196 struct snd_soc_dai **codec_dais; 1197 unsigned int num_codecs; 1198 1199 struct delayed_work delayed_work; 1200 #ifdef CONFIG_DEBUG_FS 1201 struct dentry *debugfs_dpcm_root; 1202 struct dentry *debugfs_dpcm_state; 1203 #endif 1204 }; 1205 1206 /* mixer control */ 1207 struct soc_mixer_control { 1208 int min, max, platform_max; 1209 int reg, rreg; 1210 unsigned int shift, rshift; 1211 unsigned int sign_bit; 1212 unsigned int invert:1; 1213 unsigned int autodisable:1; 1214 struct snd_soc_dobj dobj; 1215 }; 1216 1217 struct soc_bytes { 1218 int base; 1219 int num_regs; 1220 u32 mask; 1221 }; 1222 1223 struct soc_bytes_ext { 1224 int max; 1225 struct snd_soc_dobj dobj; 1226 1227 /* used for TLV byte control */ 1228 int (*get)(unsigned int __user *bytes, unsigned int size); 1229 int (*put)(const unsigned int __user *bytes, unsigned int size); 1230 }; 1231 1232 /* multi register control */ 1233 struct soc_mreg_control { 1234 long min, max; 1235 unsigned int regbase, regcount, nbits, invert; 1236 }; 1237 1238 /* enumerated kcontrol */ 1239 struct soc_enum { 1240 int reg; 1241 unsigned char shift_l; 1242 unsigned char shift_r; 1243 unsigned int items; 1244 unsigned int mask; 1245 const char * const *texts; 1246 const unsigned int *values; 1247 unsigned int autodisable:1; 1248 struct snd_soc_dobj dobj; 1249 }; 1250 1251 /** 1252 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in 1253 * @component: The component to cast to a CODEC 1254 * 1255 * This function must only be used on components that are known to be CODECs. 1256 * Otherwise the behavior is undefined. 1257 */ 1258 static inline struct snd_soc_codec *snd_soc_component_to_codec( 1259 struct snd_soc_component *component) 1260 { 1261 return container_of(component, struct snd_soc_codec, component); 1262 } 1263 1264 /** 1265 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in 1266 * @component: The component to cast to a platform 1267 * 1268 * This function must only be used on components that are known to be platforms. 1269 * Otherwise the behavior is undefined. 1270 */ 1271 static inline struct snd_soc_platform *snd_soc_component_to_platform( 1272 struct snd_soc_component *component) 1273 { 1274 return container_of(component, struct snd_soc_platform, component); 1275 } 1276 1277 /** 1278 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is 1279 * embedded in 1280 * @dapm: The DAPM context to cast to the component 1281 * 1282 * This function must only be used on DAPM contexts that are known to be part of 1283 * a component (e.g. in a component driver). Otherwise the behavior is 1284 * undefined. 1285 */ 1286 static inline struct snd_soc_component *snd_soc_dapm_to_component( 1287 struct snd_soc_dapm_context *dapm) 1288 { 1289 return container_of(dapm, struct snd_soc_component, dapm); 1290 } 1291 1292 /** 1293 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in 1294 * @dapm: The DAPM context to cast to the CODEC 1295 * 1296 * This function must only be used on DAPM contexts that are known to be part of 1297 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. 1298 */ 1299 static inline struct snd_soc_codec *snd_soc_dapm_to_codec( 1300 struct snd_soc_dapm_context *dapm) 1301 { 1302 return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm)); 1303 } 1304 1305 /** 1306 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is 1307 * embedded in 1308 * @dapm: The DAPM context to cast to the platform. 1309 * 1310 * This function must only be used on DAPM contexts that are known to be part of 1311 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined. 1312 */ 1313 static inline struct snd_soc_platform *snd_soc_dapm_to_platform( 1314 struct snd_soc_dapm_context *dapm) 1315 { 1316 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm)); 1317 } 1318 1319 /** 1320 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a 1321 * component 1322 * @component: The component for which to get the DAPM context 1323 */ 1324 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( 1325 struct snd_soc_component *component) 1326 { 1327 return &component->dapm; 1328 } 1329 1330 /** 1331 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC 1332 * @codec: The CODEC for which to get the DAPM context 1333 * 1334 * Note: Use this function instead of directly accessing the CODEC's dapm field 1335 */ 1336 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm( 1337 struct snd_soc_codec *codec) 1338 { 1339 return snd_soc_component_get_dapm(&codec->component); 1340 } 1341 1342 /** 1343 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level 1344 * @codec: The CODEC for which to initialize the DAPM bias level 1345 * @level: The DAPM level to initialize to 1346 * 1347 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level(). 1348 */ 1349 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec, 1350 enum snd_soc_bias_level level) 1351 { 1352 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level); 1353 } 1354 1355 /** 1356 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level 1357 * @codec: The CODEC for which to get the DAPM bias level 1358 * 1359 * Returns: The current DAPM bias level of the CODEC. 1360 */ 1361 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level( 1362 struct snd_soc_codec *codec) 1363 { 1364 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec)); 1365 } 1366 1367 /** 1368 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level 1369 * @codec: The CODEC for which to set the level 1370 * @level: The level to set to 1371 * 1372 * Forces the CODEC bias level to a specific state. See 1373 * snd_soc_dapm_force_bias_level(). 1374 */ 1375 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec, 1376 enum snd_soc_bias_level level) 1377 { 1378 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec), 1379 level); 1380 } 1381 1382 /** 1383 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol 1384 * @kcontrol: The kcontrol 1385 * 1386 * This function must only be used on DAPM contexts that are known to be part of 1387 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. 1388 */ 1389 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec( 1390 struct snd_kcontrol *kcontrol) 1391 { 1392 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol)); 1393 } 1394 1395 /* codec IO */ 1396 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); 1397 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg, 1398 unsigned int val); 1399 1400 /** 1401 * snd_soc_cache_sync() - Sync the register cache with the hardware 1402 * @codec: CODEC to sync 1403 * 1404 * Note: This function will call regcache_sync() 1405 */ 1406 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec) 1407 { 1408 return regcache_sync(codec->component.regmap); 1409 } 1410 1411 /* component IO */ 1412 int snd_soc_component_read(struct snd_soc_component *component, 1413 unsigned int reg, unsigned int *val); 1414 int snd_soc_component_write(struct snd_soc_component *component, 1415 unsigned int reg, unsigned int val); 1416 int snd_soc_component_update_bits(struct snd_soc_component *component, 1417 unsigned int reg, unsigned int mask, unsigned int val); 1418 int snd_soc_component_update_bits_async(struct snd_soc_component *component, 1419 unsigned int reg, unsigned int mask, unsigned int val); 1420 void snd_soc_component_async_complete(struct snd_soc_component *component); 1421 int snd_soc_component_test_bits(struct snd_soc_component *component, 1422 unsigned int reg, unsigned int mask, unsigned int value); 1423 1424 #ifdef CONFIG_REGMAP 1425 1426 void snd_soc_component_init_regmap(struct snd_soc_component *component, 1427 struct regmap *regmap); 1428 void snd_soc_component_exit_regmap(struct snd_soc_component *component); 1429 1430 /** 1431 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC 1432 * @codec: The CODEC for which to initialize the regmap instance 1433 * @regmap: The regmap instance that should be used by the CODEC 1434 * 1435 * This function allows deferred assignment of the regmap instance that is 1436 * associated with the CODEC. Only use this if the regmap instance is not yet 1437 * ready when the CODEC is registered. The function must also be called before 1438 * the first IO attempt of the CODEC. 1439 */ 1440 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec, 1441 struct regmap *regmap) 1442 { 1443 snd_soc_component_init_regmap(&codec->component, regmap); 1444 } 1445 1446 /** 1447 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC 1448 * @codec: The CODEC for which to de-initialize the regmap instance 1449 * 1450 * Calls regmap_exit() on the regmap instance associated to the CODEC and 1451 * removes the regmap instance from the CODEC. 1452 * 1453 * This function should only be used if snd_soc_codec_init_regmap() was used to 1454 * initialize the regmap instance. 1455 */ 1456 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec) 1457 { 1458 snd_soc_component_exit_regmap(&codec->component); 1459 } 1460 1461 #endif 1462 1463 /* device driver data */ 1464 1465 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1466 void *data) 1467 { 1468 card->drvdata = data; 1469 } 1470 1471 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1472 { 1473 return card->drvdata; 1474 } 1475 1476 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, 1477 void *data) 1478 { 1479 dev_set_drvdata(c->dev, data); 1480 } 1481 1482 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) 1483 { 1484 return dev_get_drvdata(c->dev); 1485 } 1486 1487 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, 1488 void *data) 1489 { 1490 snd_soc_component_set_drvdata(&codec->component, data); 1491 } 1492 1493 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) 1494 { 1495 return snd_soc_component_get_drvdata(&codec->component); 1496 } 1497 1498 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, 1499 void *data) 1500 { 1501 snd_soc_component_set_drvdata(&platform->component, data); 1502 } 1503 1504 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) 1505 { 1506 return snd_soc_component_get_drvdata(&platform->component); 1507 } 1508 1509 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd, 1510 void *data) 1511 { 1512 dev_set_drvdata(rtd->dev, data); 1513 } 1514 1515 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) 1516 { 1517 return dev_get_drvdata(rtd->dev); 1518 } 1519 1520 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1521 { 1522 INIT_LIST_HEAD(&card->codec_dev_list); 1523 INIT_LIST_HEAD(&card->widgets); 1524 INIT_LIST_HEAD(&card->paths); 1525 INIT_LIST_HEAD(&card->dapm_list); 1526 } 1527 1528 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1529 { 1530 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1531 return 0; 1532 /* 1533 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1534 * mc->reg != mc->rreg means that the control is 1535 * stereo (bits in one register or in two registers) 1536 */ 1537 return 1; 1538 } 1539 1540 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, 1541 unsigned int val) 1542 { 1543 unsigned int i; 1544 1545 if (!e->values) 1546 return val; 1547 1548 for (i = 0; i < e->items; i++) 1549 if (val == e->values[i]) 1550 return i; 1551 1552 return 0; 1553 } 1554 1555 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, 1556 unsigned int item) 1557 { 1558 if (!e->values) 1559 return item; 1560 1561 return e->values[item]; 1562 } 1563 1564 static inline bool snd_soc_component_is_active( 1565 struct snd_soc_component *component) 1566 { 1567 return component->active != 0; 1568 } 1569 1570 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec) 1571 { 1572 return snd_soc_component_is_active(&codec->component); 1573 } 1574 1575 /** 1576 * snd_soc_kcontrol_component() - Returns the component that registered the 1577 * control 1578 * @kcontrol: The control for which to get the component 1579 * 1580 * Note: This function will work correctly if the control has been registered 1581 * for a component. Either with snd_soc_add_codec_controls() or 1582 * snd_soc_add_platform_controls() or via table based setup for either a 1583 * CODEC, a platform or component driver. Otherwise the behavior is undefined. 1584 */ 1585 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1586 struct snd_kcontrol *kcontrol) 1587 { 1588 return snd_kcontrol_chip(kcontrol); 1589 } 1590 1591 /** 1592 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control 1593 * @kcontrol: The control for which to get the CODEC 1594 * 1595 * Note: This function will only work correctly if the control has been 1596 * registered with snd_soc_add_codec_controls() or via table based setup of 1597 * snd_soc_codec_driver. Otherwise the behavior is undefined. 1598 */ 1599 static inline struct snd_soc_codec *snd_soc_kcontrol_codec( 1600 struct snd_kcontrol *kcontrol) 1601 { 1602 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol)); 1603 } 1604 1605 /** 1606 * snd_soc_kcontrol_platform() - Returns the platform that registered the control 1607 * @kcontrol: The control for which to get the platform 1608 * 1609 * Note: This function will only work correctly if the control has been 1610 * registered with snd_soc_add_platform_controls() or via table based setup of 1611 * a snd_soc_platform_driver. Otherwise the behavior is undefined. 1612 */ 1613 static inline struct snd_soc_platform *snd_soc_kcontrol_platform( 1614 struct snd_kcontrol *kcontrol) 1615 { 1616 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol)); 1617 } 1618 1619 int snd_soc_util_init(void); 1620 void snd_soc_util_exit(void); 1621 1622 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1623 const char *propname); 1624 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1625 const char *propname); 1626 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1627 unsigned int *tx_mask, 1628 unsigned int *rx_mask, 1629 unsigned int *slots, 1630 unsigned int *slot_width); 1631 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1632 struct snd_soc_codec_conf *codec_conf, 1633 struct device_node *of_node, 1634 const char *propname); 1635 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1636 const char *propname); 1637 unsigned int snd_soc_of_parse_daifmt(struct device_node *np, 1638 const char *prefix, 1639 struct device_node **bitclkmaster, 1640 struct device_node **framemaster); 1641 int snd_soc_of_get_dai_name(struct device_node *of_node, 1642 const char **dai_name); 1643 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1644 struct device_node *of_node, 1645 struct snd_soc_dai_link *dai_link); 1646 1647 #include <sound/soc-dai.h> 1648 1649 #ifdef CONFIG_DEBUG_FS 1650 extern struct dentry *snd_soc_debugfs_root; 1651 #endif 1652 1653 extern const struct dev_pm_ops snd_soc_pm_ops; 1654 1655 /* Helper functions */ 1656 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) 1657 { 1658 mutex_lock(&dapm->card->dapm_mutex); 1659 } 1660 1661 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) 1662 { 1663 mutex_unlock(&dapm->card->dapm_mutex); 1664 } 1665 1666 #endif 1667