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 31 /* 32 * Convenience kcontrol builders 33 */ 34 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \ 35 ((unsigned long)&(struct soc_mixer_control) \ 36 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 37 .rshift = shift_right, .max = xmax, .platform_max = xmax, \ 38 .invert = xinvert, .autodisable = xautodisable}) 39 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \ 40 ((unsigned long)&(struct soc_mixer_control) \ 41 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 42 .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \ 43 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable}) 44 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \ 45 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable) 46 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ 47 ((unsigned long)&(struct soc_mixer_control) \ 48 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert}) 49 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ 50 ((unsigned long)&(struct soc_mixer_control) \ 51 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 52 .max = xmax, .platform_max = xmax, .invert = xinvert}) 53 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ 54 ((unsigned long)&(struct soc_mixer_control) \ 55 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 56 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \ 57 .invert = xinvert}) 58 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ 59 ((unsigned long)&(struct soc_mixer_control) \ 60 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 61 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert}) 62 #define SOC_SINGLE(xname, reg, shift, max, invert) \ 63 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 64 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 65 .put = snd_soc_put_volsw, \ 66 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 67 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ 68 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 69 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ 70 .put = snd_soc_put_volsw_range, \ 71 .private_value = (unsigned long)&(struct soc_mixer_control) \ 72 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 73 .rshift = xshift, .min = xmin, .max = xmax, \ 74 .platform_max = xmax, .invert = xinvert} } 75 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 76 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 77 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 78 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 79 .tlv.p = (tlv_array), \ 80 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 81 .put = snd_soc_put_volsw, \ 82 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 83 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ 84 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 85 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 86 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 87 .tlv.p = (tlv_array),\ 88 .info = snd_soc_info_volsw_sx, \ 89 .get = snd_soc_get_volsw_sx,\ 90 .put = snd_soc_put_volsw_sx, \ 91 .private_value = (unsigned long)&(struct soc_mixer_control) \ 92 {.reg = xreg, .rreg = xreg, \ 93 .shift = xshift, .rshift = xshift, \ 94 .max = xmax, .min = xmin} } 95 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ 96 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 97 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 98 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 99 .tlv.p = (tlv_array), \ 100 .info = snd_soc_info_volsw_range, \ 101 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 102 .private_value = (unsigned long)&(struct soc_mixer_control) \ 103 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 104 .rshift = xshift, .min = xmin, .max = xmax, \ 105 .platform_max = xmax, .invert = xinvert} } 106 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ 107 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 108 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 109 .put = snd_soc_put_volsw, \ 110 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 111 max, invert, 0) } 112 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \ 113 { \ 114 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 115 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 116 .access = SNDRV_CTL_ELEM_ACCESS_READ | \ 117 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ 118 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 119 max, invert, 0) } 120 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ 121 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 122 .info = snd_soc_info_volsw, \ 123 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 124 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 125 xmax, xinvert) } 126 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ 127 xmax, xinvert) \ 128 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 129 .info = snd_soc_info_volsw_range, \ 130 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 131 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 132 xshift, xmin, xmax, xinvert) } 133 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ 134 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 135 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 136 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 137 .tlv.p = (tlv_array), \ 138 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 139 .put = snd_soc_put_volsw, \ 140 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 141 max, invert, 0) } 142 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ 143 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 144 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 145 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 146 .tlv.p = (tlv_array), \ 147 .info = snd_soc_info_volsw, \ 148 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 149 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 150 xmax, xinvert) } 151 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ 152 xmax, xinvert, tlv_array) \ 153 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 154 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 155 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 156 .tlv.p = (tlv_array), \ 157 .info = snd_soc_info_volsw_range, \ 158 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 159 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 160 xshift, xmin, xmax, xinvert) } 161 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ 162 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 163 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 164 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 165 .tlv.p = (tlv_array), \ 166 .info = snd_soc_info_volsw_sx, \ 167 .get = snd_soc_get_volsw_sx, \ 168 .put = snd_soc_put_volsw_sx, \ 169 .private_value = (unsigned long)&(struct soc_mixer_control) \ 170 {.reg = xreg, .rreg = xrreg, \ 171 .shift = xshift, .rshift = xshift, \ 172 .max = xmax, .min = xmin} } 173 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ 174 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 175 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 176 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 177 .tlv.p = (tlv_array), \ 178 .info = snd_soc_info_volsw, \ 179 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 180 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 181 xmin, xmax, xsign_bit, xinvert) } 182 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 183 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 184 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 185 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 186 .tlv.p = (tlv_array), \ 187 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 188 .put = snd_soc_put_volsw, \ 189 .private_value = (unsigned long)&(struct soc_mixer_control) \ 190 {.reg = xreg, .rreg = xreg, \ 191 .min = xmin, .max = xmax, .platform_max = xmax, \ 192 .sign_bit = 7,} } 193 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 194 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 195 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 196 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 197 .tlv.p = (tlv_array), \ 198 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 199 .put = snd_soc_put_volsw, \ 200 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) } 201 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ 202 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 203 .items = xitems, .texts = xtexts, \ 204 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} 205 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ 206 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) 207 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ 208 { .items = xitems, .texts = xtexts } 209 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \ 210 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 211 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} 212 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 213 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues) 214 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 215 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \ 216 .mask = xmask, .items = xitems, .texts = xtexts, \ 217 .values = xvalues, .autodisable = 1} 218 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ 219 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) 220 #define SOC_ENUM(xname, xenum) \ 221 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 222 .info = snd_soc_info_enum_double, \ 223 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ 224 .private_value = (unsigned long)&xenum } 225 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ 226 xhandler_get, xhandler_put) \ 227 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 228 .info = snd_soc_info_volsw, \ 229 .get = xhandler_get, .put = xhandler_put, \ 230 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 231 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ 232 xhandler_get, xhandler_put) \ 233 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 234 .info = snd_soc_info_volsw, \ 235 .get = xhandler_get, .put = xhandler_put, \ 236 .private_value = \ 237 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) } 238 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 239 xhandler_get, xhandler_put) \ 240 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 241 .info = snd_soc_info_volsw, \ 242 .get = xhandler_get, .put = xhandler_put, \ 243 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 244 xmax, xinvert) } 245 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ 246 xhandler_get, xhandler_put, tlv_array) \ 247 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 248 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 249 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 250 .tlv.p = (tlv_array), \ 251 .info = snd_soc_info_volsw, \ 252 .get = xhandler_get, .put = xhandler_put, \ 253 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 254 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ 255 xhandler_get, xhandler_put, tlv_array) \ 256 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 257 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 258 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 259 .tlv.p = (tlv_array), \ 260 .info = snd_soc_info_volsw_range, \ 261 .get = xhandler_get, .put = xhandler_put, \ 262 .private_value = (unsigned long)&(struct soc_mixer_control) \ 263 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 264 .rshift = xshift, .min = xmin, .max = xmax, \ 265 .platform_max = xmax, .invert = xinvert} } 266 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ 267 xhandler_get, xhandler_put, tlv_array) \ 268 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 269 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 270 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 271 .tlv.p = (tlv_array), \ 272 .info = snd_soc_info_volsw, \ 273 .get = xhandler_get, .put = xhandler_put, \ 274 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 275 xmax, xinvert, 0) } 276 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 277 xhandler_get, xhandler_put, tlv_array) \ 278 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 279 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 280 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 281 .tlv.p = (tlv_array), \ 282 .info = snd_soc_info_volsw, \ 283 .get = xhandler_get, .put = xhandler_put, \ 284 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 285 xmax, xinvert) } 286 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 287 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 288 .info = snd_soc_info_bool_ext, \ 289 .get = xhandler_get, .put = xhandler_put, \ 290 .private_value = xdata } 291 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 292 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 293 .info = snd_soc_info_enum_double, \ 294 .get = xhandler_get, .put = xhandler_put, \ 295 .private_value = (unsigned long)&xenum } 296 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 297 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) 298 299 #define SND_SOC_BYTES(xname, xbase, xregs) \ 300 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 301 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 302 .put = snd_soc_bytes_put, .private_value = \ 303 ((unsigned long)&(struct soc_bytes) \ 304 {.base = xbase, .num_regs = xregs }) } 305 306 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 307 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 308 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 309 .put = snd_soc_bytes_put, .private_value = \ 310 ((unsigned long)&(struct soc_bytes) \ 311 {.base = xbase, .num_regs = xregs, \ 312 .mask = xmask }) } 313 314 /* 315 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead 316 */ 317 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ 318 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 319 .info = snd_soc_bytes_info_ext, \ 320 .get = xhandler_get, .put = xhandler_put, \ 321 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 322 {.max = xcount} } 323 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ 324 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 325 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ 326 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 327 .tlv.c = (snd_soc_bytes_tlv_callback), \ 328 .info = snd_soc_bytes_info_ext, \ 329 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 330 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } 331 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 332 xmin, xmax, xinvert) \ 333 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 334 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 335 .put = snd_soc_put_xr_sx, \ 336 .private_value = (unsigned long)&(struct soc_mreg_control) \ 337 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 338 .invert = xinvert, .min = xmin, .max = xmax} } 339 340 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 341 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 342 snd_soc_get_strobe, snd_soc_put_strobe) 343 344 /* 345 * Simplified versions of above macros, declaring a struct and calculating 346 * ARRAY_SIZE internally 347 */ 348 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 349 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 350 ARRAY_SIZE(xtexts), xtexts) 351 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 352 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 353 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 354 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 355 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 356 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 357 ARRAY_SIZE(xtexts), xtexts, xvalues) 358 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 359 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 360 361 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 362 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ 363 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) 364 365 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ 366 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) 367 368 /* 369 * Component probe and remove ordering levels for components with runtime 370 * dependencies. 371 */ 372 #define SND_SOC_COMP_ORDER_FIRST -2 373 #define SND_SOC_COMP_ORDER_EARLY -1 374 #define SND_SOC_COMP_ORDER_NORMAL 0 375 #define SND_SOC_COMP_ORDER_LATE 1 376 #define SND_SOC_COMP_ORDER_LAST 2 377 378 /* 379 * Bias levels 380 * 381 * @ON: Bias is fully on for audio playback and capture operations. 382 * @PREPARE: Prepare for audio operations. Called before DAPM switching for 383 * stream start and stop operations. 384 * @STANDBY: Low power standby state when no playback/capture operations are 385 * in progress. NOTE: The transition time between STANDBY and ON 386 * should be as fast as possible and no longer than 10ms. 387 * @OFF: Power Off. No restrictions on transition times. 388 */ 389 enum snd_soc_bias_level { 390 SND_SOC_BIAS_OFF = 0, 391 SND_SOC_BIAS_STANDBY = 1, 392 SND_SOC_BIAS_PREPARE = 2, 393 SND_SOC_BIAS_ON = 3, 394 }; 395 396 struct device_node; 397 struct snd_jack; 398 struct snd_soc_card; 399 struct snd_soc_pcm_stream; 400 struct snd_soc_ops; 401 struct snd_soc_pcm_runtime; 402 struct snd_soc_dai; 403 struct snd_soc_dai_driver; 404 struct snd_soc_platform; 405 struct snd_soc_dai_link; 406 struct snd_soc_platform_driver; 407 struct snd_soc_codec; 408 struct snd_soc_codec_driver; 409 struct snd_soc_component; 410 struct snd_soc_component_driver; 411 struct soc_enum; 412 struct snd_soc_jack; 413 struct snd_soc_jack_zone; 414 struct snd_soc_jack_pin; 415 #include <sound/soc-dapm.h> 416 #include <sound/soc-dpcm.h> 417 #include <sound/soc-topology.h> 418 419 struct snd_soc_jack_gpio; 420 421 typedef int (*hw_write_t)(void *,const char* ,int); 422 423 enum snd_soc_pcm_subclass { 424 SND_SOC_PCM_CLASS_PCM = 0, 425 SND_SOC_PCM_CLASS_BE = 1, 426 }; 427 428 enum snd_soc_card_subclass { 429 SND_SOC_CARD_CLASS_INIT = 0, 430 SND_SOC_CARD_CLASS_RUNTIME = 1, 431 }; 432 433 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, 434 int source, unsigned int freq, int dir); 435 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, 436 unsigned int freq_in, unsigned int freq_out); 437 int snd_soc_codec_set_jack(struct snd_soc_codec *codec, 438 struct snd_soc_jack *jack, void *data); 439 440 int snd_soc_register_card(struct snd_soc_card *card); 441 int snd_soc_unregister_card(struct snd_soc_card *card); 442 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 443 #ifdef CONFIG_PM_SLEEP 444 int snd_soc_suspend(struct device *dev); 445 int snd_soc_resume(struct device *dev); 446 #else 447 static inline int snd_soc_suspend(struct device *dev) 448 { 449 return 0; 450 } 451 452 static inline int snd_soc_resume(struct device *dev) 453 { 454 return 0; 455 } 456 #endif 457 int snd_soc_poweroff(struct device *dev); 458 int snd_soc_register_platform(struct device *dev, 459 const struct snd_soc_platform_driver *platform_drv); 460 int devm_snd_soc_register_platform(struct device *dev, 461 const struct snd_soc_platform_driver *platform_drv); 462 void snd_soc_unregister_platform(struct device *dev); 463 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, 464 const struct snd_soc_platform_driver *platform_drv); 465 void snd_soc_remove_platform(struct snd_soc_platform *platform); 466 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev); 467 int snd_soc_register_codec(struct device *dev, 468 const struct snd_soc_codec_driver *codec_drv, 469 struct snd_soc_dai_driver *dai_drv, int num_dai); 470 void snd_soc_unregister_codec(struct device *dev); 471 int snd_soc_register_component(struct device *dev, 472 const struct snd_soc_component_driver *cmpnt_drv, 473 struct snd_soc_dai_driver *dai_drv, int num_dai); 474 int devm_snd_soc_register_component(struct device *dev, 475 const struct snd_soc_component_driver *cmpnt_drv, 476 struct snd_soc_dai_driver *dai_drv, int num_dai); 477 void snd_soc_unregister_component(struct device *dev); 478 int snd_soc_cache_init(struct snd_soc_codec *codec); 479 int snd_soc_cache_exit(struct snd_soc_codec *codec); 480 481 int snd_soc_platform_read(struct snd_soc_platform *platform, 482 unsigned int reg); 483 int snd_soc_platform_write(struct snd_soc_platform *platform, 484 unsigned int reg, unsigned int val); 485 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 486 #ifdef CONFIG_SND_SOC_COMPRESS 487 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 488 #endif 489 490 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, 491 const char *dai_link, int stream); 492 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 493 const char *dai_link); 494 495 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 496 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); 497 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); 498 499 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 500 unsigned int dai_fmt); 501 502 #ifdef CONFIG_DMI 503 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); 504 #else 505 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, 506 const char *flavour) 507 { 508 return 0; 509 } 510 #endif 511 512 /* Utility functions to get clock rates from various things */ 513 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 514 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 515 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 516 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 517 518 /* set runtime hw params */ 519 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 520 const struct snd_pcm_hardware *hw); 521 522 int soc_dai_hw_params(struct snd_pcm_substream *substream, 523 struct snd_pcm_hw_params *params, 524 struct snd_soc_dai *dai); 525 526 /* Jack reporting */ 527 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type, 528 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins, 529 unsigned int num_pins); 530 531 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); 532 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, 533 struct snd_soc_jack_pin *pins); 534 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, 535 struct notifier_block *nb); 536 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, 537 struct notifier_block *nb); 538 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, 539 struct snd_soc_jack_zone *zones); 540 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); 541 #ifdef CONFIG_GPIOLIB 542 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 543 struct snd_soc_jack_gpio *gpios); 544 int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 545 struct snd_soc_jack *jack, 546 int count, struct snd_soc_jack_gpio *gpios); 547 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 548 struct snd_soc_jack_gpio *gpios); 549 #else 550 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 551 struct snd_soc_jack_gpio *gpios) 552 { 553 return 0; 554 } 555 556 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 557 struct snd_soc_jack *jack, 558 int count, 559 struct snd_soc_jack_gpio *gpios) 560 { 561 return 0; 562 } 563 564 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 565 struct snd_soc_jack_gpio *gpios) 566 { 567 } 568 #endif 569 570 /* codec register bit access */ 571 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg, 572 unsigned int mask, unsigned int value); 573 int snd_soc_update_bits_locked(struct snd_soc_codec *codec, 574 unsigned int reg, unsigned int mask, 575 unsigned int value); 576 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg, 577 unsigned int mask, unsigned int value); 578 579 #ifdef CONFIG_SND_SOC_AC97_BUS 580 struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec); 581 struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec, 582 unsigned int id, unsigned int id_mask); 583 void snd_soc_free_ac97_codec(struct snd_ac97 *ac97); 584 585 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 586 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 587 struct platform_device *pdev); 588 589 extern struct snd_ac97_bus_ops *soc_ac97_ops; 590 #else 591 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 592 struct platform_device *pdev) 593 { 594 return 0; 595 } 596 597 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 598 { 599 return 0; 600 } 601 #endif 602 603 /* 604 *Controls 605 */ 606 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 607 void *data, const char *long_name, 608 const char *prefix); 609 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, 610 const char *name); 611 int snd_soc_add_component_controls(struct snd_soc_component *component, 612 const struct snd_kcontrol_new *controls, unsigned int num_controls); 613 int snd_soc_add_codec_controls(struct snd_soc_codec *codec, 614 const struct snd_kcontrol_new *controls, unsigned int num_controls); 615 int snd_soc_add_platform_controls(struct snd_soc_platform *platform, 616 const struct snd_kcontrol_new *controls, unsigned int num_controls); 617 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 618 const struct snd_kcontrol_new *controls, int num_controls); 619 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 620 const struct snd_kcontrol_new *controls, int num_controls); 621 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 622 struct snd_ctl_elem_info *uinfo); 623 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 624 struct snd_ctl_elem_value *ucontrol); 625 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 626 struct snd_ctl_elem_value *ucontrol); 627 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 628 struct snd_ctl_elem_info *uinfo); 629 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 630 struct snd_ctl_elem_info *uinfo); 631 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 632 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 633 struct snd_ctl_elem_value *ucontrol); 634 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 635 struct snd_ctl_elem_value *ucontrol); 636 #define snd_soc_get_volsw_2r snd_soc_get_volsw 637 #define snd_soc_put_volsw_2r snd_soc_put_volsw 638 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 639 struct snd_ctl_elem_value *ucontrol); 640 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 641 struct snd_ctl_elem_value *ucontrol); 642 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 643 struct snd_ctl_elem_info *uinfo); 644 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 645 struct snd_ctl_elem_value *ucontrol); 646 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 647 struct snd_ctl_elem_value *ucontrol); 648 int snd_soc_limit_volume(struct snd_soc_card *card, 649 const char *name, int max); 650 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 651 struct snd_ctl_elem_info *uinfo); 652 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 653 struct snd_ctl_elem_value *ucontrol); 654 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 655 struct snd_ctl_elem_value *ucontrol); 656 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 657 struct snd_ctl_elem_info *ucontrol); 658 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 659 unsigned int size, unsigned int __user *tlv); 660 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 661 struct snd_ctl_elem_info *uinfo); 662 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 663 struct snd_ctl_elem_value *ucontrol); 664 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 665 struct snd_ctl_elem_value *ucontrol); 666 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 667 struct snd_ctl_elem_value *ucontrol); 668 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 669 struct snd_ctl_elem_value *ucontrol); 670 671 /** 672 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection 673 * 674 * @pin: name of the pin to update 675 * @mask: bits to check for in reported jack status 676 * @invert: if non-zero then pin is enabled when status is not reported 677 * @list: internal list entry 678 */ 679 struct snd_soc_jack_pin { 680 struct list_head list; 681 const char *pin; 682 int mask; 683 bool invert; 684 }; 685 686 /** 687 * struct snd_soc_jack_zone - Describes voltage zones of jack detection 688 * 689 * @min_mv: start voltage in mv 690 * @max_mv: end voltage in mv 691 * @jack_type: type of jack that is expected for this voltage 692 * @debounce_time: debounce_time for jack, codec driver should wait for this 693 * duration before reading the adc for voltages 694 * @list: internal list entry 695 */ 696 struct snd_soc_jack_zone { 697 unsigned int min_mv; 698 unsigned int max_mv; 699 unsigned int jack_type; 700 unsigned int debounce_time; 701 struct list_head list; 702 }; 703 704 /** 705 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection 706 * 707 * @gpio: legacy gpio number 708 * @idx: gpio descriptor index within the function of the GPIO 709 * consumer device 710 * @gpiod_dev: GPIO consumer device 711 * @name: gpio name. Also as connection ID for the GPIO consumer 712 * device function name lookup 713 * @report: value to report when jack detected 714 * @invert: report presence in low state 715 * @debounce_time: debounce time in ms 716 * @wake: enable as wake source 717 * @jack_status_check: callback function which overrides the detection 718 * to provide more complex checks (eg, reading an 719 * ADC). 720 */ 721 struct snd_soc_jack_gpio { 722 unsigned int gpio; 723 unsigned int idx; 724 struct device *gpiod_dev; 725 const char *name; 726 int report; 727 int invert; 728 int debounce_time; 729 bool wake; 730 731 /* private: */ 732 struct snd_soc_jack *jack; 733 struct delayed_work work; 734 struct notifier_block pm_notifier; 735 struct gpio_desc *desc; 736 737 void *data; 738 /* public: */ 739 int (*jack_status_check)(void *data); 740 }; 741 742 struct snd_soc_jack { 743 struct mutex mutex; 744 struct snd_jack *jack; 745 struct snd_soc_card *card; 746 struct list_head pins; 747 int status; 748 struct blocking_notifier_head notifier; 749 struct list_head jack_zones; 750 }; 751 752 /* SoC PCM stream information */ 753 struct snd_soc_pcm_stream { 754 const char *stream_name; 755 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 756 unsigned int rates; /* SNDRV_PCM_RATE_* */ 757 unsigned int rate_min; /* min rate */ 758 unsigned int rate_max; /* max rate */ 759 unsigned int channels_min; /* min channels */ 760 unsigned int channels_max; /* max channels */ 761 unsigned int sig_bits; /* number of bits of content */ 762 }; 763 764 /* SoC audio ops */ 765 struct snd_soc_ops { 766 int (*startup)(struct snd_pcm_substream *); 767 void (*shutdown)(struct snd_pcm_substream *); 768 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 769 int (*hw_free)(struct snd_pcm_substream *); 770 int (*prepare)(struct snd_pcm_substream *); 771 int (*trigger)(struct snd_pcm_substream *, int); 772 }; 773 774 struct snd_soc_compr_ops { 775 int (*startup)(struct snd_compr_stream *); 776 void (*shutdown)(struct snd_compr_stream *); 777 int (*set_params)(struct snd_compr_stream *); 778 int (*trigger)(struct snd_compr_stream *); 779 }; 780 781 /* component interface */ 782 struct snd_soc_component_driver { 783 const char *name; 784 785 /* Default control and setup, added after probe() is run */ 786 const struct snd_kcontrol_new *controls; 787 unsigned int num_controls; 788 const struct snd_soc_dapm_widget *dapm_widgets; 789 unsigned int num_dapm_widgets; 790 const struct snd_soc_dapm_route *dapm_routes; 791 unsigned int num_dapm_routes; 792 793 int (*probe)(struct snd_soc_component *); 794 void (*remove)(struct snd_soc_component *); 795 int (*suspend)(struct snd_soc_component *); 796 int (*resume)(struct snd_soc_component *); 797 798 /* pcm creation and destruction */ 799 int (*pcm_new)(struct snd_soc_pcm_runtime *); 800 void (*pcm_free)(struct snd_pcm *); 801 802 /* DT */ 803 int (*of_xlate_dai_name)(struct snd_soc_component *component, 804 struct of_phandle_args *args, 805 const char **dai_name); 806 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type, 807 int subseq); 808 int (*stream_event)(struct snd_soc_component *, int event); 809 810 /* probe ordering - for components with runtime dependencies */ 811 int probe_order; 812 int remove_order; 813 }; 814 815 struct snd_soc_component { 816 const char *name; 817 int id; 818 const char *name_prefix; 819 struct device *dev; 820 struct snd_soc_card *card; 821 822 unsigned int active; 823 824 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ 825 unsigned int registered_as_component:1; 826 unsigned int suspended:1; /* is in suspend PM state */ 827 828 struct list_head list; 829 struct list_head card_aux_list; /* for auxiliary bound components */ 830 struct list_head card_list; 831 832 struct snd_soc_dai_driver *dai_drv; 833 int num_dai; 834 835 const struct snd_soc_component_driver *driver; 836 837 struct list_head dai_list; 838 839 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *); 840 int (*write)(struct snd_soc_component *, unsigned int, unsigned int); 841 842 struct regmap *regmap; 843 int val_bytes; 844 845 struct mutex io_mutex; 846 847 /* attached dynamic objects */ 848 struct list_head dobj_list; 849 850 #ifdef CONFIG_DEBUG_FS 851 struct dentry *debugfs_root; 852 #endif 853 854 /* 855 * DO NOT use any of the fields below in drivers, they are temporary and 856 * are going to be removed again soon. If you use them in driver code the 857 * driver will be marked as BROKEN when these fields are removed. 858 */ 859 860 /* Don't use these, use snd_soc_component_get_dapm() */ 861 struct snd_soc_dapm_context dapm; 862 863 const struct snd_kcontrol_new *controls; 864 unsigned int num_controls; 865 const struct snd_soc_dapm_widget *dapm_widgets; 866 unsigned int num_dapm_widgets; 867 const struct snd_soc_dapm_route *dapm_routes; 868 unsigned int num_dapm_routes; 869 struct snd_soc_codec *codec; 870 871 int (*probe)(struct snd_soc_component *); 872 void (*remove)(struct snd_soc_component *); 873 int (*suspend)(struct snd_soc_component *); 874 int (*resume)(struct snd_soc_component *); 875 int (*pcm_new)(struct snd_soc_pcm_runtime *); 876 void (*pcm_free)(struct snd_pcm *); 877 878 /* machine specific init */ 879 int (*init)(struct snd_soc_component *component); 880 881 #ifdef CONFIG_DEBUG_FS 882 void (*init_debugfs)(struct snd_soc_component *component); 883 const char *debugfs_prefix; 884 #endif 885 }; 886 887 /* SoC Audio Codec device */ 888 struct snd_soc_codec { 889 struct device *dev; 890 const struct snd_soc_codec_driver *driver; 891 892 struct list_head list; 893 894 /* runtime */ 895 unsigned int cache_bypass:1; /* Suppress access to the cache */ 896 unsigned int cache_init:1; /* codec cache has been initialized */ 897 898 /* codec IO */ 899 void *control_data; /* codec control (i2c/3wire) data */ 900 hw_write_t hw_write; 901 void *reg_cache; 902 903 /* component */ 904 struct snd_soc_component component; 905 906 #ifdef CONFIG_DEBUG_FS 907 struct dentry *debugfs_reg; 908 #endif 909 }; 910 911 /* codec driver */ 912 struct snd_soc_codec_driver { 913 914 /* driver ops */ 915 int (*probe)(struct snd_soc_codec *); 916 int (*remove)(struct snd_soc_codec *); 917 int (*suspend)(struct snd_soc_codec *); 918 int (*resume)(struct snd_soc_codec *); 919 struct snd_soc_component_driver component_driver; 920 921 /* codec wide operations */ 922 int (*set_sysclk)(struct snd_soc_codec *codec, 923 int clk_id, int source, unsigned int freq, int dir); 924 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, 925 unsigned int freq_in, unsigned int freq_out); 926 int (*set_jack)(struct snd_soc_codec *codec, 927 struct snd_soc_jack *jack, void *data); 928 929 /* codec IO */ 930 struct regmap *(*get_regmap)(struct device *); 931 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 932 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 933 unsigned int reg_cache_size; 934 short reg_cache_step; 935 short reg_word_size; 936 const void *reg_cache_default; 937 938 /* codec bias level */ 939 int (*set_bias_level)(struct snd_soc_codec *, 940 enum snd_soc_bias_level level); 941 bool idle_bias_off; 942 bool suspend_bias_off; 943 944 void (*seq_notifier)(struct snd_soc_dapm_context *, 945 enum snd_soc_dapm_type, int); 946 947 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ 948 }; 949 950 /* SoC platform interface */ 951 struct snd_soc_platform_driver { 952 953 int (*probe)(struct snd_soc_platform *); 954 int (*remove)(struct snd_soc_platform *); 955 struct snd_soc_component_driver component_driver; 956 957 /* pcm creation and destruction */ 958 int (*pcm_new)(struct snd_soc_pcm_runtime *); 959 void (*pcm_free)(struct snd_pcm *); 960 961 /* platform stream pcm ops */ 962 const struct snd_pcm_ops *ops; 963 964 /* platform stream compress ops */ 965 const struct snd_compr_ops *compr_ops; 966 }; 967 968 struct snd_soc_dai_link_component { 969 const char *name; 970 struct device_node *of_node; 971 const char *dai_name; 972 }; 973 974 struct snd_soc_platform { 975 struct device *dev; 976 const struct snd_soc_platform_driver *driver; 977 978 struct list_head list; 979 980 struct snd_soc_component component; 981 }; 982 983 struct snd_soc_dai_link { 984 /* config - must be set by machine driver */ 985 const char *name; /* Codec name */ 986 const char *stream_name; /* Stream name */ 987 /* 988 * You MAY specify the link's CPU-side device, either by device name, 989 * or by DT/OF node, but not both. If this information is omitted, 990 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 991 * must be globally unique. These fields are currently typically used 992 * only for codec to codec links, or systems using device tree. 993 */ 994 const char *cpu_name; 995 struct device_node *cpu_of_node; 996 /* 997 * You MAY specify the DAI name of the CPU DAI. If this information is 998 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 999 * only, which only works well when that device exposes a single DAI. 1000 */ 1001 const char *cpu_dai_name; 1002 /* 1003 * You MUST specify the link's codec, either by device name, or by 1004 * DT/OF node, but not both. 1005 */ 1006 const char *codec_name; 1007 struct device_node *codec_of_node; 1008 /* You MUST specify the DAI name within the codec */ 1009 const char *codec_dai_name; 1010 1011 struct snd_soc_dai_link_component *codecs; 1012 unsigned int num_codecs; 1013 1014 /* 1015 * You MAY specify the link's platform/PCM/DMA driver, either by 1016 * device name, or by DT/OF node, but not both. Some forms of link 1017 * do not need a platform. 1018 */ 1019 const char *platform_name; 1020 struct device_node *platform_of_node; 1021 int id; /* optional ID for machine driver link identification */ 1022 1023 const struct snd_soc_pcm_stream *params; 1024 unsigned int num_params; 1025 1026 unsigned int dai_fmt; /* format to set on init */ 1027 1028 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 1029 1030 /* codec/machine specific init - e.g. add machine controls */ 1031 int (*init)(struct snd_soc_pcm_runtime *rtd); 1032 1033 /* optional hw_params re-writing for BE and FE sync */ 1034 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 1035 struct snd_pcm_hw_params *params); 1036 1037 /* machine stream operations */ 1038 const struct snd_soc_ops *ops; 1039 const struct snd_soc_compr_ops *compr_ops; 1040 1041 /* Mark this pcm with non atomic ops */ 1042 bool nonatomic; 1043 1044 /* For unidirectional dai links */ 1045 unsigned int playback_only:1; 1046 unsigned int capture_only:1; 1047 1048 /* Keep DAI active over suspend */ 1049 unsigned int ignore_suspend:1; 1050 1051 /* Symmetry requirements */ 1052 unsigned int symmetric_rates:1; 1053 unsigned int symmetric_channels:1; 1054 unsigned int symmetric_samplebits:1; 1055 1056 /* Do not create a PCM for this DAI link (Backend link) */ 1057 unsigned int no_pcm:1; 1058 1059 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 1060 unsigned int dynamic:1; 1061 1062 /* DPCM capture and Playback support */ 1063 unsigned int dpcm_capture:1; 1064 unsigned int dpcm_playback:1; 1065 1066 /* DPCM used FE & BE merged format */ 1067 unsigned int dpcm_merged_format:1; 1068 1069 /* pmdown_time is ignored at stop */ 1070 unsigned int ignore_pmdown_time:1; 1071 1072 struct list_head list; /* DAI link list of the soc card */ 1073 struct snd_soc_dobj dobj; /* For topology */ 1074 }; 1075 1076 struct snd_soc_codec_conf { 1077 /* 1078 * specify device either by device name, or by 1079 * DT/OF node, but not both. 1080 */ 1081 const char *dev_name; 1082 struct device_node *of_node; 1083 1084 /* 1085 * optional map of kcontrol, widget and path name prefixes that are 1086 * associated per device 1087 */ 1088 const char *name_prefix; 1089 }; 1090 1091 struct snd_soc_aux_dev { 1092 const char *name; /* Codec name */ 1093 1094 /* 1095 * specify multi-codec either by device name, or by 1096 * DT/OF node, but not both. 1097 */ 1098 const char *codec_name; 1099 struct device_node *codec_of_node; 1100 1101 /* codec/machine specific init - e.g. add machine controls */ 1102 int (*init)(struct snd_soc_component *component); 1103 }; 1104 1105 /* SoC card */ 1106 struct snd_soc_card { 1107 const char *name; 1108 const char *long_name; 1109 const char *driver_name; 1110 char dmi_longname[80]; 1111 1112 struct device *dev; 1113 struct snd_card *snd_card; 1114 struct module *owner; 1115 1116 struct mutex mutex; 1117 struct mutex dapm_mutex; 1118 1119 bool instantiated; 1120 1121 int (*probe)(struct snd_soc_card *card); 1122 int (*late_probe)(struct snd_soc_card *card); 1123 int (*remove)(struct snd_soc_card *card); 1124 1125 /* the pre and post PM functions are used to do any PM work before and 1126 * after the codec and DAI's do any PM work. */ 1127 int (*suspend_pre)(struct snd_soc_card *card); 1128 int (*suspend_post)(struct snd_soc_card *card); 1129 int (*resume_pre)(struct snd_soc_card *card); 1130 int (*resume_post)(struct snd_soc_card *card); 1131 1132 /* callbacks */ 1133 int (*set_bias_level)(struct snd_soc_card *, 1134 struct snd_soc_dapm_context *dapm, 1135 enum snd_soc_bias_level level); 1136 int (*set_bias_level_post)(struct snd_soc_card *, 1137 struct snd_soc_dapm_context *dapm, 1138 enum snd_soc_bias_level level); 1139 1140 int (*add_dai_link)(struct snd_soc_card *, 1141 struct snd_soc_dai_link *link); 1142 void (*remove_dai_link)(struct snd_soc_card *, 1143 struct snd_soc_dai_link *link); 1144 1145 long pmdown_time; 1146 1147 /* CPU <--> Codec DAI links */ 1148 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1149 int num_links; /* predefined links only */ 1150 struct list_head dai_link_list; /* all links */ 1151 int num_dai_links; 1152 1153 struct list_head rtd_list; 1154 int num_rtd; 1155 1156 /* optional codec specific configuration */ 1157 struct snd_soc_codec_conf *codec_conf; 1158 int num_configs; 1159 1160 /* 1161 * optional auxiliary devices such as amplifiers or codecs with DAI 1162 * link unused 1163 */ 1164 struct snd_soc_aux_dev *aux_dev; 1165 int num_aux_devs; 1166 struct list_head aux_comp_list; 1167 1168 const struct snd_kcontrol_new *controls; 1169 int num_controls; 1170 1171 /* 1172 * Card-specific routes and widgets. 1173 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1174 */ 1175 const struct snd_soc_dapm_widget *dapm_widgets; 1176 int num_dapm_widgets; 1177 const struct snd_soc_dapm_route *dapm_routes; 1178 int num_dapm_routes; 1179 const struct snd_soc_dapm_widget *of_dapm_widgets; 1180 int num_of_dapm_widgets; 1181 const struct snd_soc_dapm_route *of_dapm_routes; 1182 int num_of_dapm_routes; 1183 bool fully_routed; 1184 1185 struct work_struct deferred_resume_work; 1186 1187 /* lists of probed devices belonging to this card */ 1188 struct list_head component_dev_list; 1189 1190 struct list_head widgets; 1191 struct list_head paths; 1192 struct list_head dapm_list; 1193 struct list_head dapm_dirty; 1194 1195 /* attached dynamic objects */ 1196 struct list_head dobj_list; 1197 1198 /* Generic DAPM context for the card */ 1199 struct snd_soc_dapm_context dapm; 1200 struct snd_soc_dapm_stats dapm_stats; 1201 struct snd_soc_dapm_update *update; 1202 1203 #ifdef CONFIG_DEBUG_FS 1204 struct dentry *debugfs_card_root; 1205 struct dentry *debugfs_pop_time; 1206 #endif 1207 u32 pop_time; 1208 1209 void *drvdata; 1210 }; 1211 1212 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1213 struct snd_soc_pcm_runtime { 1214 struct device *dev; 1215 struct snd_soc_card *card; 1216 struct snd_soc_dai_link *dai_link; 1217 struct mutex pcm_mutex; 1218 enum snd_soc_pcm_subclass pcm_subclass; 1219 struct snd_pcm_ops ops; 1220 1221 /* Dynamic PCM BE runtime data */ 1222 struct snd_soc_dpcm_runtime dpcm[2]; 1223 int fe_compr; 1224 1225 long pmdown_time; 1226 1227 /* runtime devices */ 1228 struct snd_pcm *pcm; 1229 struct snd_compr *compr; 1230 struct snd_soc_codec *codec; 1231 struct snd_soc_platform *platform; 1232 struct snd_soc_dai *codec_dai; 1233 struct snd_soc_dai *cpu_dai; 1234 1235 struct snd_soc_dai **codec_dais; 1236 unsigned int num_codecs; 1237 1238 struct delayed_work delayed_work; 1239 #ifdef CONFIG_DEBUG_FS 1240 struct dentry *debugfs_dpcm_root; 1241 struct dentry *debugfs_dpcm_state; 1242 #endif 1243 1244 unsigned int num; /* 0-based and monotonic increasing */ 1245 struct list_head list; /* rtd list of the soc card */ 1246 1247 /* bit field */ 1248 unsigned int dev_registered:1; 1249 unsigned int pop_wait:1; 1250 }; 1251 1252 /* mixer control */ 1253 struct soc_mixer_control { 1254 int min, max, platform_max; 1255 int reg, rreg; 1256 unsigned int shift, rshift; 1257 unsigned int sign_bit; 1258 unsigned int invert:1; 1259 unsigned int autodisable:1; 1260 struct snd_soc_dobj dobj; 1261 }; 1262 1263 struct soc_bytes { 1264 int base; 1265 int num_regs; 1266 u32 mask; 1267 }; 1268 1269 struct soc_bytes_ext { 1270 int max; 1271 struct snd_soc_dobj dobj; 1272 1273 /* used for TLV byte control */ 1274 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1275 unsigned int size); 1276 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1277 unsigned int size); 1278 }; 1279 1280 /* multi register control */ 1281 struct soc_mreg_control { 1282 long min, max; 1283 unsigned int regbase, regcount, nbits, invert; 1284 }; 1285 1286 /* enumerated kcontrol */ 1287 struct soc_enum { 1288 int reg; 1289 unsigned char shift_l; 1290 unsigned char shift_r; 1291 unsigned int items; 1292 unsigned int mask; 1293 const char * const *texts; 1294 const unsigned int *values; 1295 unsigned int autodisable:1; 1296 struct snd_soc_dobj dobj; 1297 }; 1298 1299 /** 1300 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in 1301 * @component: The component to cast to a CODEC 1302 * 1303 * This function must only be used on components that are known to be CODECs. 1304 * Otherwise the behavior is undefined. 1305 */ 1306 static inline struct snd_soc_codec *snd_soc_component_to_codec( 1307 struct snd_soc_component *component) 1308 { 1309 return container_of(component, struct snd_soc_codec, component); 1310 } 1311 1312 /** 1313 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in 1314 * @component: The component to cast to a platform 1315 * 1316 * This function must only be used on components that are known to be platforms. 1317 * Otherwise the behavior is undefined. 1318 */ 1319 static inline struct snd_soc_platform *snd_soc_component_to_platform( 1320 struct snd_soc_component *component) 1321 { 1322 return container_of(component, struct snd_soc_platform, component); 1323 } 1324 1325 /** 1326 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is 1327 * embedded in 1328 * @dapm: The DAPM context to cast to the component 1329 * 1330 * This function must only be used on DAPM contexts that are known to be part of 1331 * a component (e.g. in a component driver). Otherwise the behavior is 1332 * undefined. 1333 */ 1334 static inline struct snd_soc_component *snd_soc_dapm_to_component( 1335 struct snd_soc_dapm_context *dapm) 1336 { 1337 return container_of(dapm, struct snd_soc_component, dapm); 1338 } 1339 1340 /** 1341 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in 1342 * @dapm: The DAPM context to cast to the CODEC 1343 * 1344 * This function must only be used on DAPM contexts that are known to be part of 1345 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. 1346 */ 1347 static inline struct snd_soc_codec *snd_soc_dapm_to_codec( 1348 struct snd_soc_dapm_context *dapm) 1349 { 1350 return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm)); 1351 } 1352 1353 /** 1354 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is 1355 * embedded in 1356 * @dapm: The DAPM context to cast to the platform. 1357 * 1358 * This function must only be used on DAPM contexts that are known to be part of 1359 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined. 1360 */ 1361 static inline struct snd_soc_platform *snd_soc_dapm_to_platform( 1362 struct snd_soc_dapm_context *dapm) 1363 { 1364 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm)); 1365 } 1366 1367 /** 1368 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a 1369 * component 1370 * @component: The component for which to get the DAPM context 1371 */ 1372 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( 1373 struct snd_soc_component *component) 1374 { 1375 return &component->dapm; 1376 } 1377 1378 /** 1379 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC 1380 * @codec: The CODEC for which to get the DAPM context 1381 * 1382 * Note: Use this function instead of directly accessing the CODEC's dapm field 1383 */ 1384 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm( 1385 struct snd_soc_codec *codec) 1386 { 1387 return snd_soc_component_get_dapm(&codec->component); 1388 } 1389 1390 /** 1391 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level 1392 * @codec: The CODEC for which to initialize the DAPM bias level 1393 * @level: The DAPM level to initialize to 1394 * 1395 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level(). 1396 */ 1397 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec, 1398 enum snd_soc_bias_level level) 1399 { 1400 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level); 1401 } 1402 1403 /** 1404 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level 1405 * @codec: The CODEC for which to get the DAPM bias level 1406 * 1407 * Returns: The current DAPM bias level of the CODEC. 1408 */ 1409 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level( 1410 struct snd_soc_codec *codec) 1411 { 1412 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec)); 1413 } 1414 1415 /** 1416 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level 1417 * @codec: The CODEC for which to set the level 1418 * @level: The level to set to 1419 * 1420 * Forces the CODEC bias level to a specific state. See 1421 * snd_soc_dapm_force_bias_level(). 1422 */ 1423 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec, 1424 enum snd_soc_bias_level level) 1425 { 1426 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec), 1427 level); 1428 } 1429 1430 /** 1431 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol 1432 * @kcontrol: The kcontrol 1433 * 1434 * This function must only be used on DAPM contexts that are known to be part of 1435 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. 1436 */ 1437 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec( 1438 struct snd_kcontrol *kcontrol) 1439 { 1440 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol)); 1441 } 1442 1443 /* codec IO */ 1444 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); 1445 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg, 1446 unsigned int val); 1447 1448 /** 1449 * snd_soc_cache_sync() - Sync the register cache with the hardware 1450 * @codec: CODEC to sync 1451 * 1452 * Note: This function will call regcache_sync() 1453 */ 1454 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec) 1455 { 1456 return regcache_sync(codec->component.regmap); 1457 } 1458 1459 /* component IO */ 1460 int snd_soc_component_read(struct snd_soc_component *component, 1461 unsigned int reg, unsigned int *val); 1462 int snd_soc_component_write(struct snd_soc_component *component, 1463 unsigned int reg, unsigned int val); 1464 int snd_soc_component_update_bits(struct snd_soc_component *component, 1465 unsigned int reg, unsigned int mask, unsigned int val); 1466 int snd_soc_component_update_bits_async(struct snd_soc_component *component, 1467 unsigned int reg, unsigned int mask, unsigned int val); 1468 void snd_soc_component_async_complete(struct snd_soc_component *component); 1469 int snd_soc_component_test_bits(struct snd_soc_component *component, 1470 unsigned int reg, unsigned int mask, unsigned int value); 1471 1472 #ifdef CONFIG_REGMAP 1473 1474 void snd_soc_component_init_regmap(struct snd_soc_component *component, 1475 struct regmap *regmap); 1476 void snd_soc_component_exit_regmap(struct snd_soc_component *component); 1477 1478 /** 1479 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC 1480 * @codec: The CODEC for which to initialize the regmap instance 1481 * @regmap: The regmap instance that should be used by the CODEC 1482 * 1483 * This function allows deferred assignment of the regmap instance that is 1484 * associated with the CODEC. Only use this if the regmap instance is not yet 1485 * ready when the CODEC is registered. The function must also be called before 1486 * the first IO attempt of the CODEC. 1487 */ 1488 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec, 1489 struct regmap *regmap) 1490 { 1491 snd_soc_component_init_regmap(&codec->component, regmap); 1492 } 1493 1494 /** 1495 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC 1496 * @codec: The CODEC for which to de-initialize the regmap instance 1497 * 1498 * Calls regmap_exit() on the regmap instance associated to the CODEC and 1499 * removes the regmap instance from the CODEC. 1500 * 1501 * This function should only be used if snd_soc_codec_init_regmap() was used to 1502 * initialize the regmap instance. 1503 */ 1504 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec) 1505 { 1506 snd_soc_component_exit_regmap(&codec->component); 1507 } 1508 1509 #endif 1510 1511 /* device driver data */ 1512 1513 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1514 void *data) 1515 { 1516 card->drvdata = data; 1517 } 1518 1519 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1520 { 1521 return card->drvdata; 1522 } 1523 1524 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, 1525 void *data) 1526 { 1527 dev_set_drvdata(c->dev, data); 1528 } 1529 1530 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) 1531 { 1532 return dev_get_drvdata(c->dev); 1533 } 1534 1535 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, 1536 void *data) 1537 { 1538 snd_soc_component_set_drvdata(&codec->component, data); 1539 } 1540 1541 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) 1542 { 1543 return snd_soc_component_get_drvdata(&codec->component); 1544 } 1545 1546 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, 1547 void *data) 1548 { 1549 snd_soc_component_set_drvdata(&platform->component, data); 1550 } 1551 1552 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) 1553 { 1554 return snd_soc_component_get_drvdata(&platform->component); 1555 } 1556 1557 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1558 { 1559 INIT_LIST_HEAD(&card->widgets); 1560 INIT_LIST_HEAD(&card->paths); 1561 INIT_LIST_HEAD(&card->dapm_list); 1562 INIT_LIST_HEAD(&card->aux_comp_list); 1563 INIT_LIST_HEAD(&card->component_dev_list); 1564 } 1565 1566 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1567 { 1568 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1569 return 0; 1570 /* 1571 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1572 * mc->reg != mc->rreg means that the control is 1573 * stereo (bits in one register or in two registers) 1574 */ 1575 return 1; 1576 } 1577 1578 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, 1579 unsigned int val) 1580 { 1581 unsigned int i; 1582 1583 if (!e->values) 1584 return val; 1585 1586 for (i = 0; i < e->items; i++) 1587 if (val == e->values[i]) 1588 return i; 1589 1590 return 0; 1591 } 1592 1593 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, 1594 unsigned int item) 1595 { 1596 if (!e->values) 1597 return item; 1598 1599 return e->values[item]; 1600 } 1601 1602 static inline bool snd_soc_component_is_active( 1603 struct snd_soc_component *component) 1604 { 1605 return component->active != 0; 1606 } 1607 1608 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec) 1609 { 1610 return snd_soc_component_is_active(&codec->component); 1611 } 1612 1613 /** 1614 * snd_soc_kcontrol_component() - Returns the component that registered the 1615 * control 1616 * @kcontrol: The control for which to get the component 1617 * 1618 * Note: This function will work correctly if the control has been registered 1619 * for a component. Either with snd_soc_add_codec_controls() or 1620 * snd_soc_add_platform_controls() or via table based setup for either a 1621 * CODEC, a platform or component driver. Otherwise the behavior is undefined. 1622 */ 1623 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1624 struct snd_kcontrol *kcontrol) 1625 { 1626 return snd_kcontrol_chip(kcontrol); 1627 } 1628 1629 /** 1630 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control 1631 * @kcontrol: The control for which to get the CODEC 1632 * 1633 * Note: This function will only work correctly if the control has been 1634 * registered with snd_soc_add_codec_controls() or via table based setup of 1635 * snd_soc_codec_driver. Otherwise the behavior is undefined. 1636 */ 1637 static inline struct snd_soc_codec *snd_soc_kcontrol_codec( 1638 struct snd_kcontrol *kcontrol) 1639 { 1640 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol)); 1641 } 1642 1643 /** 1644 * snd_soc_kcontrol_platform() - Returns the platform that registered the control 1645 * @kcontrol: The control for which to get the platform 1646 * 1647 * Note: This function will only work correctly if the control has been 1648 * registered with snd_soc_add_platform_controls() or via table based setup of 1649 * a snd_soc_platform_driver. Otherwise the behavior is undefined. 1650 */ 1651 static inline struct snd_soc_platform *snd_soc_kcontrol_platform( 1652 struct snd_kcontrol *kcontrol) 1653 { 1654 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol)); 1655 } 1656 1657 int snd_soc_util_init(void); 1658 void snd_soc_util_exit(void); 1659 1660 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1661 const char *propname); 1662 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1663 const char *propname); 1664 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1665 unsigned int *tx_mask, 1666 unsigned int *rx_mask, 1667 unsigned int *slots, 1668 unsigned int *slot_width); 1669 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1670 struct snd_soc_codec_conf *codec_conf, 1671 struct device_node *of_node, 1672 const char *propname); 1673 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1674 const char *propname); 1675 unsigned int snd_soc_of_parse_daifmt(struct device_node *np, 1676 const char *prefix, 1677 struct device_node **bitclkmaster, 1678 struct device_node **framemaster); 1679 int snd_soc_get_dai_name(struct of_phandle_args *args, 1680 const char **dai_name); 1681 int snd_soc_of_get_dai_name(struct device_node *of_node, 1682 const char **dai_name); 1683 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1684 struct device_node *of_node, 1685 struct snd_soc_dai_link *dai_link); 1686 1687 int snd_soc_add_dai_link(struct snd_soc_card *card, 1688 struct snd_soc_dai_link *dai_link); 1689 void snd_soc_remove_dai_link(struct snd_soc_card *card, 1690 struct snd_soc_dai_link *dai_link); 1691 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card, 1692 int id, const char *name, 1693 const char *stream_name); 1694 1695 int snd_soc_register_dai(struct snd_soc_component *component, 1696 struct snd_soc_dai_driver *dai_drv); 1697 1698 struct snd_soc_dai *snd_soc_find_dai( 1699 const struct snd_soc_dai_link_component *dlc); 1700 1701 #include <sound/soc-dai.h> 1702 1703 #ifdef CONFIG_DEBUG_FS 1704 extern struct dentry *snd_soc_debugfs_root; 1705 #endif 1706 1707 extern const struct dev_pm_ops snd_soc_pm_ops; 1708 1709 /* Helper functions */ 1710 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) 1711 { 1712 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1713 } 1714 1715 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) 1716 { 1717 mutex_unlock(&dapm->card->dapm_mutex); 1718 } 1719 1720 int snd_soc_component_enable_pin(struct snd_soc_component *component, 1721 const char *pin); 1722 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component, 1723 const char *pin); 1724 int snd_soc_component_disable_pin(struct snd_soc_component *component, 1725 const char *pin); 1726 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component, 1727 const char *pin); 1728 int snd_soc_component_nc_pin(struct snd_soc_component *component, 1729 const char *pin); 1730 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component, 1731 const char *pin); 1732 int snd_soc_component_get_pin_status(struct snd_soc_component *component, 1733 const char *pin); 1734 int snd_soc_component_force_enable_pin(struct snd_soc_component *component, 1735 const char *pin); 1736 int snd_soc_component_force_enable_pin_unlocked( 1737 struct snd_soc_component *component, 1738 const char *pin); 1739 1740 #endif 1741