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_add_component(struct device *dev, 472 struct snd_soc_component *component, 473 const struct snd_soc_component_driver *component_driver, 474 struct snd_soc_dai_driver *dai_drv, 475 int num_dai); 476 int snd_soc_register_component(struct device *dev, 477 const struct snd_soc_component_driver *component_driver, 478 struct snd_soc_dai_driver *dai_drv, int num_dai); 479 int devm_snd_soc_register_component(struct device *dev, 480 const struct snd_soc_component_driver *component_driver, 481 struct snd_soc_dai_driver *dai_drv, int num_dai); 482 void snd_soc_unregister_component(struct device *dev); 483 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 484 const char *driver_name); 485 int snd_soc_cache_init(struct snd_soc_codec *codec); 486 int snd_soc_cache_exit(struct snd_soc_codec *codec); 487 488 int snd_soc_platform_read(struct snd_soc_platform *platform, 489 unsigned int reg); 490 int snd_soc_platform_write(struct snd_soc_platform *platform, 491 unsigned int reg, unsigned int val); 492 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 493 #ifdef CONFIG_SND_SOC_COMPRESS 494 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 495 #endif 496 497 void snd_soc_disconnect_sync(struct device *dev); 498 499 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, 500 const char *dai_link, int stream); 501 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 502 const char *dai_link); 503 504 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 505 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); 506 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); 507 508 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 509 unsigned int dai_fmt); 510 511 #ifdef CONFIG_DMI 512 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); 513 #else 514 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, 515 const char *flavour) 516 { 517 return 0; 518 } 519 #endif 520 521 /* Utility functions to get clock rates from various things */ 522 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 523 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 524 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 525 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 526 527 /* set runtime hw params */ 528 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 529 const struct snd_pcm_hardware *hw); 530 531 int soc_dai_hw_params(struct snd_pcm_substream *substream, 532 struct snd_pcm_hw_params *params, 533 struct snd_soc_dai *dai); 534 535 /* Jack reporting */ 536 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type, 537 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins, 538 unsigned int num_pins); 539 540 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); 541 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, 542 struct snd_soc_jack_pin *pins); 543 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, 544 struct notifier_block *nb); 545 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, 546 struct notifier_block *nb); 547 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, 548 struct snd_soc_jack_zone *zones); 549 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); 550 #ifdef CONFIG_GPIOLIB 551 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 552 struct snd_soc_jack_gpio *gpios); 553 int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 554 struct snd_soc_jack *jack, 555 int count, struct snd_soc_jack_gpio *gpios); 556 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 557 struct snd_soc_jack_gpio *gpios); 558 #else 559 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 560 struct snd_soc_jack_gpio *gpios) 561 { 562 return 0; 563 } 564 565 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 566 struct snd_soc_jack *jack, 567 int count, 568 struct snd_soc_jack_gpio *gpios) 569 { 570 return 0; 571 } 572 573 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 574 struct snd_soc_jack_gpio *gpios) 575 { 576 } 577 #endif 578 579 /* codec register bit access */ 580 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg, 581 unsigned int mask, unsigned int value); 582 int snd_soc_update_bits_locked(struct snd_soc_codec *codec, 583 unsigned int reg, unsigned int mask, 584 unsigned int value); 585 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg, 586 unsigned int mask, unsigned int value); 587 588 #ifdef CONFIG_SND_SOC_AC97_BUS 589 #define snd_soc_alloc_ac97_codec(codec) \ 590 snd_soc_alloc_ac97_component(&codec->component) 591 #define snd_soc_new_ac97_codec(codec, id, id_mask) \ 592 snd_soc_new_ac97_component(&codec->component, id, id_mask) 593 #define snd_soc_free_ac97_codec(ac97) \ 594 snd_soc_free_ac97_component(ac97) 595 596 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 597 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 598 unsigned int id, unsigned int id_mask); 599 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 600 601 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 602 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 603 struct platform_device *pdev); 604 605 extern struct snd_ac97_bus_ops *soc_ac97_ops; 606 #else 607 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 608 struct platform_device *pdev) 609 { 610 return 0; 611 } 612 613 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 614 { 615 return 0; 616 } 617 #endif 618 619 /* 620 *Controls 621 */ 622 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 623 void *data, const char *long_name, 624 const char *prefix); 625 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, 626 const char *name); 627 int snd_soc_add_component_controls(struct snd_soc_component *component, 628 const struct snd_kcontrol_new *controls, unsigned int num_controls); 629 int snd_soc_add_codec_controls(struct snd_soc_codec *codec, 630 const struct snd_kcontrol_new *controls, unsigned int num_controls); 631 int snd_soc_add_platform_controls(struct snd_soc_platform *platform, 632 const struct snd_kcontrol_new *controls, unsigned int num_controls); 633 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 634 const struct snd_kcontrol_new *controls, int num_controls); 635 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 636 const struct snd_kcontrol_new *controls, int num_controls); 637 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 638 struct snd_ctl_elem_info *uinfo); 639 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 640 struct snd_ctl_elem_value *ucontrol); 641 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 642 struct snd_ctl_elem_value *ucontrol); 643 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 644 struct snd_ctl_elem_info *uinfo); 645 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 646 struct snd_ctl_elem_info *uinfo); 647 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 648 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 649 struct snd_ctl_elem_value *ucontrol); 650 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 651 struct snd_ctl_elem_value *ucontrol); 652 #define snd_soc_get_volsw_2r snd_soc_get_volsw 653 #define snd_soc_put_volsw_2r snd_soc_put_volsw 654 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 655 struct snd_ctl_elem_value *ucontrol); 656 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 657 struct snd_ctl_elem_value *ucontrol); 658 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 659 struct snd_ctl_elem_info *uinfo); 660 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 661 struct snd_ctl_elem_value *ucontrol); 662 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 663 struct snd_ctl_elem_value *ucontrol); 664 int snd_soc_limit_volume(struct snd_soc_card *card, 665 const char *name, int max); 666 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 667 struct snd_ctl_elem_info *uinfo); 668 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 669 struct snd_ctl_elem_value *ucontrol); 670 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 671 struct snd_ctl_elem_value *ucontrol); 672 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 673 struct snd_ctl_elem_info *ucontrol); 674 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 675 unsigned int size, unsigned int __user *tlv); 676 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 677 struct snd_ctl_elem_info *uinfo); 678 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 679 struct snd_ctl_elem_value *ucontrol); 680 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 681 struct snd_ctl_elem_value *ucontrol); 682 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 683 struct snd_ctl_elem_value *ucontrol); 684 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 685 struct snd_ctl_elem_value *ucontrol); 686 687 /** 688 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection 689 * 690 * @pin: name of the pin to update 691 * @mask: bits to check for in reported jack status 692 * @invert: if non-zero then pin is enabled when status is not reported 693 * @list: internal list entry 694 */ 695 struct snd_soc_jack_pin { 696 struct list_head list; 697 const char *pin; 698 int mask; 699 bool invert; 700 }; 701 702 /** 703 * struct snd_soc_jack_zone - Describes voltage zones of jack detection 704 * 705 * @min_mv: start voltage in mv 706 * @max_mv: end voltage in mv 707 * @jack_type: type of jack that is expected for this voltage 708 * @debounce_time: debounce_time for jack, codec driver should wait for this 709 * duration before reading the adc for voltages 710 * @list: internal list entry 711 */ 712 struct snd_soc_jack_zone { 713 unsigned int min_mv; 714 unsigned int max_mv; 715 unsigned int jack_type; 716 unsigned int debounce_time; 717 struct list_head list; 718 }; 719 720 /** 721 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection 722 * 723 * @gpio: legacy gpio number 724 * @idx: gpio descriptor index within the function of the GPIO 725 * consumer device 726 * @gpiod_dev: GPIO consumer device 727 * @name: gpio name. Also as connection ID for the GPIO consumer 728 * device function name lookup 729 * @report: value to report when jack detected 730 * @invert: report presence in low state 731 * @debounce_time: debounce time in ms 732 * @wake: enable as wake source 733 * @jack_status_check: callback function which overrides the detection 734 * to provide more complex checks (eg, reading an 735 * ADC). 736 */ 737 struct snd_soc_jack_gpio { 738 unsigned int gpio; 739 unsigned int idx; 740 struct device *gpiod_dev; 741 const char *name; 742 int report; 743 int invert; 744 int debounce_time; 745 bool wake; 746 747 /* private: */ 748 struct snd_soc_jack *jack; 749 struct delayed_work work; 750 struct notifier_block pm_notifier; 751 struct gpio_desc *desc; 752 753 void *data; 754 /* public: */ 755 int (*jack_status_check)(void *data); 756 }; 757 758 struct snd_soc_jack { 759 struct mutex mutex; 760 struct snd_jack *jack; 761 struct snd_soc_card *card; 762 struct list_head pins; 763 int status; 764 struct blocking_notifier_head notifier; 765 struct list_head jack_zones; 766 }; 767 768 /* SoC PCM stream information */ 769 struct snd_soc_pcm_stream { 770 const char *stream_name; 771 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 772 unsigned int rates; /* SNDRV_PCM_RATE_* */ 773 unsigned int rate_min; /* min rate */ 774 unsigned int rate_max; /* max rate */ 775 unsigned int channels_min; /* min channels */ 776 unsigned int channels_max; /* max channels */ 777 unsigned int sig_bits; /* number of bits of content */ 778 }; 779 780 /* SoC audio ops */ 781 struct snd_soc_ops { 782 int (*startup)(struct snd_pcm_substream *); 783 void (*shutdown)(struct snd_pcm_substream *); 784 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 785 int (*hw_free)(struct snd_pcm_substream *); 786 int (*prepare)(struct snd_pcm_substream *); 787 int (*trigger)(struct snd_pcm_substream *, int); 788 }; 789 790 struct snd_soc_compr_ops { 791 int (*startup)(struct snd_compr_stream *); 792 void (*shutdown)(struct snd_compr_stream *); 793 int (*set_params)(struct snd_compr_stream *); 794 int (*trigger)(struct snd_compr_stream *); 795 }; 796 797 /* component interface */ 798 struct snd_soc_component_driver { 799 const char *name; 800 801 /* Default control and setup, added after probe() is run */ 802 const struct snd_kcontrol_new *controls; 803 unsigned int num_controls; 804 const struct snd_soc_dapm_widget *dapm_widgets; 805 unsigned int num_dapm_widgets; 806 const struct snd_soc_dapm_route *dapm_routes; 807 unsigned int num_dapm_routes; 808 809 int (*probe)(struct snd_soc_component *); 810 void (*remove)(struct snd_soc_component *); 811 int (*suspend)(struct snd_soc_component *); 812 int (*resume)(struct snd_soc_component *); 813 814 unsigned int (*read)(struct snd_soc_component *, unsigned int); 815 int (*write)(struct snd_soc_component *, unsigned int, unsigned int); 816 817 /* pcm creation and destruction */ 818 int (*pcm_new)(struct snd_soc_pcm_runtime *); 819 void (*pcm_free)(struct snd_pcm *); 820 821 /* component wide operations */ 822 int (*set_sysclk)(struct snd_soc_component *component, 823 int clk_id, int source, unsigned int freq, int dir); 824 int (*set_pll)(struct snd_soc_component *component, int pll_id, 825 int source, unsigned int freq_in, unsigned int freq_out); 826 int (*set_jack)(struct snd_soc_component *component, 827 struct snd_soc_jack *jack, void *data); 828 829 /* DT */ 830 int (*of_xlate_dai_name)(struct snd_soc_component *component, 831 struct of_phandle_args *args, 832 const char **dai_name); 833 int (*of_xlate_dai_id)(struct snd_soc_component *comment, 834 struct device_node *endpoint); 835 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type, 836 int subseq); 837 int (*stream_event)(struct snd_soc_component *, int event); 838 int (*set_bias_level)(struct snd_soc_component *component, 839 enum snd_soc_bias_level level); 840 841 const struct snd_pcm_ops *ops; 842 const struct snd_compr_ops *compr_ops; 843 844 /* probe ordering - for components with runtime dependencies */ 845 int probe_order; 846 int remove_order; 847 848 /* bits */ 849 unsigned int idle_bias_on:1; 850 unsigned int suspend_bias_off:1; 851 unsigned int use_pmdown_time:1; /* care pmdown_time at stop */ 852 unsigned int endianness:1; 853 unsigned int non_legacy_dai_naming:1; 854 }; 855 856 struct snd_soc_component { 857 const char *name; 858 int id; 859 const char *name_prefix; 860 struct device *dev; 861 struct snd_soc_card *card; 862 863 unsigned int active; 864 865 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ 866 unsigned int registered_as_component:1; 867 unsigned int suspended:1; /* is in suspend PM state */ 868 869 struct list_head list; 870 struct list_head card_aux_list; /* for auxiliary bound components */ 871 struct list_head card_list; 872 873 const struct snd_soc_component_driver *driver; 874 875 struct list_head dai_list; 876 int num_dai; 877 878 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *); 879 int (*write)(struct snd_soc_component *, unsigned int, unsigned int); 880 881 struct regmap *regmap; 882 int val_bytes; 883 884 struct mutex io_mutex; 885 886 /* attached dynamic objects */ 887 struct list_head dobj_list; 888 889 #ifdef CONFIG_DEBUG_FS 890 struct dentry *debugfs_root; 891 #endif 892 893 /* 894 * DO NOT use any of the fields below in drivers, they are temporary and 895 * are going to be removed again soon. If you use them in driver code the 896 * driver will be marked as BROKEN when these fields are removed. 897 */ 898 899 /* Don't use these, use snd_soc_component_get_dapm() */ 900 struct snd_soc_dapm_context dapm; 901 902 struct snd_soc_codec *codec; 903 904 int (*probe)(struct snd_soc_component *); 905 void (*remove)(struct snd_soc_component *); 906 int (*suspend)(struct snd_soc_component *); 907 int (*resume)(struct snd_soc_component *); 908 int (*pcm_new)(struct snd_soc_component *, struct snd_soc_pcm_runtime *); 909 void (*pcm_free)(struct snd_soc_component *, struct snd_pcm *); 910 911 int (*set_sysclk)(struct snd_soc_component *component, 912 int clk_id, int source, unsigned int freq, int dir); 913 int (*set_pll)(struct snd_soc_component *component, int pll_id, 914 int source, unsigned int freq_in, unsigned int freq_out); 915 int (*set_jack)(struct snd_soc_component *component, 916 struct snd_soc_jack *jack, void *data); 917 int (*set_bias_level)(struct snd_soc_component *component, 918 enum snd_soc_bias_level level); 919 920 /* machine specific init */ 921 int (*init)(struct snd_soc_component *component); 922 923 #ifdef CONFIG_DEBUG_FS 924 void (*init_debugfs)(struct snd_soc_component *component); 925 const char *debugfs_prefix; 926 #endif 927 }; 928 929 struct snd_soc_rtdcom_list { 930 struct snd_soc_component *component; 931 struct list_head list; /* rtd::component_list */ 932 }; 933 struct snd_soc_component* 934 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 935 const char *driver_name); 936 #define for_each_rtdcom(rtd, rtdcom) \ 937 list_for_each_entry(rtdcom, &(rtd)->component_list, list) 938 #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \ 939 list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list) 940 941 /* SoC Audio Codec device */ 942 struct snd_soc_codec { 943 struct device *dev; 944 const struct snd_soc_codec_driver *driver; 945 946 struct list_head list; 947 948 /* runtime */ 949 unsigned int cache_init:1; /* codec cache has been initialized */ 950 951 /* codec IO */ 952 void *control_data; /* codec control (i2c/3wire) data */ 953 hw_write_t hw_write; 954 void *reg_cache; 955 956 /* component */ 957 struct snd_soc_component component; 958 }; 959 960 /* codec driver */ 961 struct snd_soc_codec_driver { 962 963 /* driver ops */ 964 int (*probe)(struct snd_soc_codec *); 965 int (*remove)(struct snd_soc_codec *); 966 int (*suspend)(struct snd_soc_codec *); 967 int (*resume)(struct snd_soc_codec *); 968 struct snd_soc_component_driver component_driver; 969 970 /* codec wide operations */ 971 int (*set_sysclk)(struct snd_soc_codec *codec, 972 int clk_id, int source, unsigned int freq, int dir); 973 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, 974 unsigned int freq_in, unsigned int freq_out); 975 int (*set_jack)(struct snd_soc_codec *codec, 976 struct snd_soc_jack *jack, void *data); 977 978 /* codec IO */ 979 struct regmap *(*get_regmap)(struct device *); 980 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 981 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 982 unsigned int reg_cache_size; 983 short reg_cache_step; 984 short reg_word_size; 985 const void *reg_cache_default; 986 987 /* codec bias level */ 988 int (*set_bias_level)(struct snd_soc_codec *, 989 enum snd_soc_bias_level level); 990 bool idle_bias_off; 991 bool suspend_bias_off; 992 993 void (*seq_notifier)(struct snd_soc_dapm_context *, 994 enum snd_soc_dapm_type, int); 995 996 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ 997 }; 998 999 /* SoC platform interface */ 1000 struct snd_soc_platform_driver { 1001 1002 int (*probe)(struct snd_soc_platform *); 1003 int (*remove)(struct snd_soc_platform *); 1004 struct snd_soc_component_driver component_driver; 1005 1006 /* pcm creation and destruction */ 1007 int (*pcm_new)(struct snd_soc_pcm_runtime *); 1008 void (*pcm_free)(struct snd_pcm *); 1009 1010 /* platform stream pcm ops */ 1011 const struct snd_pcm_ops *ops; 1012 1013 /* platform stream compress ops */ 1014 const struct snd_compr_ops *compr_ops; 1015 }; 1016 1017 struct snd_soc_dai_link_component { 1018 const char *name; 1019 struct device_node *of_node; 1020 const char *dai_name; 1021 }; 1022 1023 struct snd_soc_platform { 1024 struct device *dev; 1025 const struct snd_soc_platform_driver *driver; 1026 1027 struct list_head list; 1028 1029 struct snd_soc_component component; 1030 }; 1031 1032 struct snd_soc_dai_link { 1033 /* config - must be set by machine driver */ 1034 const char *name; /* Codec name */ 1035 const char *stream_name; /* Stream name */ 1036 /* 1037 * You MAY specify the link's CPU-side device, either by device name, 1038 * or by DT/OF node, but not both. If this information is omitted, 1039 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 1040 * must be globally unique. These fields are currently typically used 1041 * only for codec to codec links, or systems using device tree. 1042 */ 1043 const char *cpu_name; 1044 struct device_node *cpu_of_node; 1045 /* 1046 * You MAY specify the DAI name of the CPU DAI. If this information is 1047 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 1048 * only, which only works well when that device exposes a single DAI. 1049 */ 1050 const char *cpu_dai_name; 1051 /* 1052 * You MUST specify the link's codec, either by device name, or by 1053 * DT/OF node, but not both. 1054 */ 1055 const char *codec_name; 1056 struct device_node *codec_of_node; 1057 /* You MUST specify the DAI name within the codec */ 1058 const char *codec_dai_name; 1059 1060 struct snd_soc_dai_link_component *codecs; 1061 unsigned int num_codecs; 1062 1063 /* 1064 * You MAY specify the link's platform/PCM/DMA driver, either by 1065 * device name, or by DT/OF node, but not both. Some forms of link 1066 * do not need a platform. 1067 */ 1068 const char *platform_name; 1069 struct device_node *platform_of_node; 1070 int id; /* optional ID for machine driver link identification */ 1071 1072 const struct snd_soc_pcm_stream *params; 1073 unsigned int num_params; 1074 1075 unsigned int dai_fmt; /* format to set on init */ 1076 1077 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 1078 1079 /* codec/machine specific init - e.g. add machine controls */ 1080 int (*init)(struct snd_soc_pcm_runtime *rtd); 1081 1082 /* optional hw_params re-writing for BE and FE sync */ 1083 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 1084 struct snd_pcm_hw_params *params); 1085 1086 /* machine stream operations */ 1087 const struct snd_soc_ops *ops; 1088 const struct snd_soc_compr_ops *compr_ops; 1089 1090 /* Mark this pcm with non atomic ops */ 1091 bool nonatomic; 1092 1093 /* For unidirectional dai links */ 1094 unsigned int playback_only:1; 1095 unsigned int capture_only:1; 1096 1097 /* Keep DAI active over suspend */ 1098 unsigned int ignore_suspend:1; 1099 1100 /* Symmetry requirements */ 1101 unsigned int symmetric_rates:1; 1102 unsigned int symmetric_channels:1; 1103 unsigned int symmetric_samplebits:1; 1104 1105 /* Do not create a PCM for this DAI link (Backend link) */ 1106 unsigned int no_pcm:1; 1107 1108 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 1109 unsigned int dynamic:1; 1110 1111 /* DPCM capture and Playback support */ 1112 unsigned int dpcm_capture:1; 1113 unsigned int dpcm_playback:1; 1114 1115 /* DPCM used FE & BE merged format */ 1116 unsigned int dpcm_merged_format:1; 1117 1118 /* pmdown_time is ignored at stop */ 1119 unsigned int ignore_pmdown_time:1; 1120 1121 struct list_head list; /* DAI link list of the soc card */ 1122 struct snd_soc_dobj dobj; /* For topology */ 1123 }; 1124 1125 struct snd_soc_codec_conf { 1126 /* 1127 * specify device either by device name, or by 1128 * DT/OF node, but not both. 1129 */ 1130 const char *dev_name; 1131 struct device_node *of_node; 1132 1133 /* 1134 * optional map of kcontrol, widget and path name prefixes that are 1135 * associated per device 1136 */ 1137 const char *name_prefix; 1138 }; 1139 1140 struct snd_soc_aux_dev { 1141 const char *name; /* Codec name */ 1142 1143 /* 1144 * specify multi-codec either by device name, or by 1145 * DT/OF node, but not both. 1146 */ 1147 const char *codec_name; 1148 struct device_node *codec_of_node; 1149 1150 /* codec/machine specific init - e.g. add machine controls */ 1151 int (*init)(struct snd_soc_component *component); 1152 }; 1153 1154 /* SoC card */ 1155 struct snd_soc_card { 1156 const char *name; 1157 const char *long_name; 1158 const char *driver_name; 1159 char dmi_longname[80]; 1160 1161 struct device *dev; 1162 struct snd_card *snd_card; 1163 struct module *owner; 1164 1165 struct mutex mutex; 1166 struct mutex dapm_mutex; 1167 1168 bool instantiated; 1169 1170 int (*probe)(struct snd_soc_card *card); 1171 int (*late_probe)(struct snd_soc_card *card); 1172 int (*remove)(struct snd_soc_card *card); 1173 1174 /* the pre and post PM functions are used to do any PM work before and 1175 * after the codec and DAI's do any PM work. */ 1176 int (*suspend_pre)(struct snd_soc_card *card); 1177 int (*suspend_post)(struct snd_soc_card *card); 1178 int (*resume_pre)(struct snd_soc_card *card); 1179 int (*resume_post)(struct snd_soc_card *card); 1180 1181 /* callbacks */ 1182 int (*set_bias_level)(struct snd_soc_card *, 1183 struct snd_soc_dapm_context *dapm, 1184 enum snd_soc_bias_level level); 1185 int (*set_bias_level_post)(struct snd_soc_card *, 1186 struct snd_soc_dapm_context *dapm, 1187 enum snd_soc_bias_level level); 1188 1189 int (*add_dai_link)(struct snd_soc_card *, 1190 struct snd_soc_dai_link *link); 1191 void (*remove_dai_link)(struct snd_soc_card *, 1192 struct snd_soc_dai_link *link); 1193 1194 long pmdown_time; 1195 1196 /* CPU <--> Codec DAI links */ 1197 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1198 int num_links; /* predefined links only */ 1199 struct list_head dai_link_list; /* all links */ 1200 int num_dai_links; 1201 1202 struct list_head rtd_list; 1203 int num_rtd; 1204 1205 /* optional codec specific configuration */ 1206 struct snd_soc_codec_conf *codec_conf; 1207 int num_configs; 1208 1209 /* 1210 * optional auxiliary devices such as amplifiers or codecs with DAI 1211 * link unused 1212 */ 1213 struct snd_soc_aux_dev *aux_dev; 1214 int num_aux_devs; 1215 struct list_head aux_comp_list; 1216 1217 const struct snd_kcontrol_new *controls; 1218 int num_controls; 1219 1220 /* 1221 * Card-specific routes and widgets. 1222 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1223 */ 1224 const struct snd_soc_dapm_widget *dapm_widgets; 1225 int num_dapm_widgets; 1226 const struct snd_soc_dapm_route *dapm_routes; 1227 int num_dapm_routes; 1228 const struct snd_soc_dapm_widget *of_dapm_widgets; 1229 int num_of_dapm_widgets; 1230 const struct snd_soc_dapm_route *of_dapm_routes; 1231 int num_of_dapm_routes; 1232 bool fully_routed; 1233 1234 struct work_struct deferred_resume_work; 1235 1236 /* lists of probed devices belonging to this card */ 1237 struct list_head component_dev_list; 1238 1239 struct list_head widgets; 1240 struct list_head paths; 1241 struct list_head dapm_list; 1242 struct list_head dapm_dirty; 1243 1244 /* attached dynamic objects */ 1245 struct list_head dobj_list; 1246 1247 /* Generic DAPM context for the card */ 1248 struct snd_soc_dapm_context dapm; 1249 struct snd_soc_dapm_stats dapm_stats; 1250 struct snd_soc_dapm_update *update; 1251 1252 #ifdef CONFIG_DEBUG_FS 1253 struct dentry *debugfs_card_root; 1254 struct dentry *debugfs_pop_time; 1255 #endif 1256 u32 pop_time; 1257 1258 void *drvdata; 1259 }; 1260 1261 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1262 struct snd_soc_pcm_runtime { 1263 struct device *dev; 1264 struct snd_soc_card *card; 1265 struct snd_soc_dai_link *dai_link; 1266 struct mutex pcm_mutex; 1267 enum snd_soc_pcm_subclass pcm_subclass; 1268 struct snd_pcm_ops ops; 1269 1270 /* Dynamic PCM BE runtime data */ 1271 struct snd_soc_dpcm_runtime dpcm[2]; 1272 int fe_compr; 1273 1274 long pmdown_time; 1275 1276 /* runtime devices */ 1277 struct snd_pcm *pcm; 1278 struct snd_compr *compr; 1279 struct snd_soc_codec *codec; 1280 struct snd_soc_platform *platform; /* will be removed */ 1281 struct snd_soc_dai *codec_dai; 1282 struct snd_soc_dai *cpu_dai; 1283 1284 struct snd_soc_dai **codec_dais; 1285 unsigned int num_codecs; 1286 1287 struct delayed_work delayed_work; 1288 #ifdef CONFIG_DEBUG_FS 1289 struct dentry *debugfs_dpcm_root; 1290 #endif 1291 1292 unsigned int num; /* 0-based and monotonic increasing */ 1293 struct list_head list; /* rtd list of the soc card */ 1294 struct list_head component_list; /* list of connected components */ 1295 1296 /* bit field */ 1297 unsigned int dev_registered:1; 1298 unsigned int pop_wait:1; 1299 }; 1300 1301 /* mixer control */ 1302 struct soc_mixer_control { 1303 int min, max, platform_max; 1304 int reg, rreg; 1305 unsigned int shift, rshift; 1306 unsigned int sign_bit; 1307 unsigned int invert:1; 1308 unsigned int autodisable:1; 1309 struct snd_soc_dobj dobj; 1310 }; 1311 1312 struct soc_bytes { 1313 int base; 1314 int num_regs; 1315 u32 mask; 1316 }; 1317 1318 struct soc_bytes_ext { 1319 int max; 1320 struct snd_soc_dobj dobj; 1321 1322 /* used for TLV byte control */ 1323 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1324 unsigned int size); 1325 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1326 unsigned int size); 1327 }; 1328 1329 /* multi register control */ 1330 struct soc_mreg_control { 1331 long min, max; 1332 unsigned int regbase, regcount, nbits, invert; 1333 }; 1334 1335 /* enumerated kcontrol */ 1336 struct soc_enum { 1337 int reg; 1338 unsigned char shift_l; 1339 unsigned char shift_r; 1340 unsigned int items; 1341 unsigned int mask; 1342 const char * const *texts; 1343 const unsigned int *values; 1344 unsigned int autodisable:1; 1345 struct snd_soc_dobj dobj; 1346 }; 1347 1348 /** 1349 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in 1350 * @component: The component to cast to a CODEC 1351 * 1352 * This function must only be used on components that are known to be CODECs. 1353 * Otherwise the behavior is undefined. 1354 */ 1355 static inline struct snd_soc_codec *snd_soc_component_to_codec( 1356 struct snd_soc_component *component) 1357 { 1358 return container_of(component, struct snd_soc_codec, component); 1359 } 1360 1361 /** 1362 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in 1363 * @component: The component to cast to a platform 1364 * 1365 * This function must only be used on components that are known to be platforms. 1366 * Otherwise the behavior is undefined. 1367 */ 1368 static inline struct snd_soc_platform *snd_soc_component_to_platform( 1369 struct snd_soc_component *component) 1370 { 1371 return container_of(component, struct snd_soc_platform, component); 1372 } 1373 1374 /** 1375 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is 1376 * embedded in 1377 * @dapm: The DAPM context to cast to the component 1378 * 1379 * This function must only be used on DAPM contexts that are known to be part of 1380 * a component (e.g. in a component driver). Otherwise the behavior is 1381 * undefined. 1382 */ 1383 static inline struct snd_soc_component *snd_soc_dapm_to_component( 1384 struct snd_soc_dapm_context *dapm) 1385 { 1386 return container_of(dapm, struct snd_soc_component, dapm); 1387 } 1388 1389 /** 1390 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in 1391 * @dapm: The DAPM context to cast to the CODEC 1392 * 1393 * This function must only be used on DAPM contexts that are known to be part of 1394 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. 1395 */ 1396 static inline struct snd_soc_codec *snd_soc_dapm_to_codec( 1397 struct snd_soc_dapm_context *dapm) 1398 { 1399 return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm)); 1400 } 1401 1402 /** 1403 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is 1404 * embedded in 1405 * @dapm: The DAPM context to cast to the platform. 1406 * 1407 * This function must only be used on DAPM contexts that are known to be part of 1408 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined. 1409 */ 1410 static inline struct snd_soc_platform *snd_soc_dapm_to_platform( 1411 struct snd_soc_dapm_context *dapm) 1412 { 1413 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm)); 1414 } 1415 1416 /** 1417 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a 1418 * component 1419 * @component: The component for which to get the DAPM context 1420 */ 1421 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( 1422 struct snd_soc_component *component) 1423 { 1424 return &component->dapm; 1425 } 1426 1427 /** 1428 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC 1429 * @codec: The CODEC for which to get the DAPM context 1430 * 1431 * Note: Use this function instead of directly accessing the CODEC's dapm field 1432 */ 1433 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm( 1434 struct snd_soc_codec *codec) 1435 { 1436 return snd_soc_component_get_dapm(&codec->component); 1437 } 1438 1439 /** 1440 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level 1441 * @codec: The CODEC for which to initialize the DAPM bias level 1442 * @level: The DAPM level to initialize to 1443 * 1444 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level(). 1445 */ 1446 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec, 1447 enum snd_soc_bias_level level) 1448 { 1449 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level); 1450 } 1451 1452 /** 1453 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level 1454 * @component: The COMPONENT for which to initialize the DAPM bias level 1455 * @level: The DAPM level to initialize to 1456 * 1457 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level(). 1458 */ 1459 static inline void 1460 snd_soc_component_init_bias_level(struct snd_soc_component *component, 1461 enum snd_soc_bias_level level) 1462 { 1463 snd_soc_dapm_init_bias_level( 1464 snd_soc_component_get_dapm(component), level); 1465 } 1466 1467 /** 1468 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level 1469 * @codec: The CODEC for which to get the DAPM bias level 1470 * 1471 * Returns: The current DAPM bias level of the CODEC. 1472 */ 1473 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level( 1474 struct snd_soc_codec *codec) 1475 { 1476 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec)); 1477 } 1478 1479 /** 1480 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level 1481 * @component: The COMPONENT for which to get the DAPM bias level 1482 * 1483 * Returns: The current DAPM bias level of the COMPONENT. 1484 */ 1485 static inline enum snd_soc_bias_level 1486 snd_soc_component_get_bias_level(struct snd_soc_component *component) 1487 { 1488 return snd_soc_dapm_get_bias_level( 1489 snd_soc_component_get_dapm(component)); 1490 } 1491 1492 /** 1493 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level 1494 * @codec: The CODEC for which to set the level 1495 * @level: The level to set to 1496 * 1497 * Forces the CODEC bias level to a specific state. See 1498 * snd_soc_dapm_force_bias_level(). 1499 */ 1500 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec, 1501 enum snd_soc_bias_level level) 1502 { 1503 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec), 1504 level); 1505 } 1506 1507 /** 1508 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level 1509 * @component: The COMPONENT for which to set the level 1510 * @level: The level to set to 1511 * 1512 * Forces the COMPONENT bias level to a specific state. See 1513 * snd_soc_dapm_force_bias_level(). 1514 */ 1515 static inline int 1516 snd_soc_component_force_bias_level(struct snd_soc_component *component, 1517 enum snd_soc_bias_level level) 1518 { 1519 return snd_soc_dapm_force_bias_level( 1520 snd_soc_component_get_dapm(component), 1521 level); 1522 } 1523 1524 /** 1525 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol 1526 * @kcontrol: The kcontrol 1527 * 1528 * This function must only be used on DAPM contexts that are known to be part of 1529 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. 1530 */ 1531 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec( 1532 struct snd_kcontrol *kcontrol) 1533 { 1534 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol)); 1535 } 1536 1537 /** 1538 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol 1539 * @kcontrol: The kcontrol 1540 * 1541 * This function must only be used on DAPM contexts that are known to be part of 1542 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined. 1543 */ 1544 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component( 1545 struct snd_kcontrol *kcontrol) 1546 { 1547 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol)); 1548 } 1549 1550 /* codec IO */ 1551 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); 1552 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg, 1553 unsigned int val); 1554 1555 /** 1556 * snd_soc_cache_sync() - Sync the register cache with the hardware 1557 * @codec: CODEC to sync 1558 * 1559 * Note: This function will call regcache_sync() 1560 */ 1561 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec) 1562 { 1563 return regcache_sync(codec->component.regmap); 1564 } 1565 1566 /** 1567 * snd_soc_component_cache_sync() - Sync the register cache with the hardware 1568 * @component: COMPONENT to sync 1569 * 1570 * Note: This function will call regcache_sync() 1571 */ 1572 static inline int snd_soc_component_cache_sync( 1573 struct snd_soc_component *component) 1574 { 1575 return regcache_sync(component->regmap); 1576 } 1577 1578 /* component IO */ 1579 int snd_soc_component_read(struct snd_soc_component *component, 1580 unsigned int reg, unsigned int *val); 1581 unsigned int snd_soc_component_read32(struct snd_soc_component *component, 1582 unsigned int reg); 1583 int snd_soc_component_write(struct snd_soc_component *component, 1584 unsigned int reg, unsigned int val); 1585 int snd_soc_component_update_bits(struct snd_soc_component *component, 1586 unsigned int reg, unsigned int mask, unsigned int val); 1587 int snd_soc_component_update_bits_async(struct snd_soc_component *component, 1588 unsigned int reg, unsigned int mask, unsigned int val); 1589 void snd_soc_component_async_complete(struct snd_soc_component *component); 1590 int snd_soc_component_test_bits(struct snd_soc_component *component, 1591 unsigned int reg, unsigned int mask, unsigned int value); 1592 1593 /* component wide operations */ 1594 int snd_soc_component_set_sysclk(struct snd_soc_component *component, 1595 int clk_id, int source, unsigned int freq, int dir); 1596 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id, 1597 int source, unsigned int freq_in, 1598 unsigned int freq_out); 1599 int snd_soc_component_set_jack(struct snd_soc_component *component, 1600 struct snd_soc_jack *jack, void *data); 1601 1602 #ifdef CONFIG_REGMAP 1603 1604 void snd_soc_component_init_regmap(struct snd_soc_component *component, 1605 struct regmap *regmap); 1606 void snd_soc_component_exit_regmap(struct snd_soc_component *component); 1607 1608 /** 1609 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC 1610 * @codec: The CODEC for which to initialize the regmap instance 1611 * @regmap: The regmap instance that should be used by the CODEC 1612 * 1613 * This function allows deferred assignment of the regmap instance that is 1614 * associated with the CODEC. Only use this if the regmap instance is not yet 1615 * ready when the CODEC is registered. The function must also be called before 1616 * the first IO attempt of the CODEC. 1617 */ 1618 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec, 1619 struct regmap *regmap) 1620 { 1621 snd_soc_component_init_regmap(&codec->component, regmap); 1622 } 1623 1624 /** 1625 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC 1626 * @codec: The CODEC for which to de-initialize the regmap instance 1627 * 1628 * Calls regmap_exit() on the regmap instance associated to the CODEC and 1629 * removes the regmap instance from the CODEC. 1630 * 1631 * This function should only be used if snd_soc_codec_init_regmap() was used to 1632 * initialize the regmap instance. 1633 */ 1634 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec) 1635 { 1636 snd_soc_component_exit_regmap(&codec->component); 1637 } 1638 1639 #endif 1640 1641 /* device driver data */ 1642 1643 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1644 void *data) 1645 { 1646 card->drvdata = data; 1647 } 1648 1649 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1650 { 1651 return card->drvdata; 1652 } 1653 1654 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, 1655 void *data) 1656 { 1657 dev_set_drvdata(c->dev, data); 1658 } 1659 1660 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) 1661 { 1662 return dev_get_drvdata(c->dev); 1663 } 1664 1665 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, 1666 void *data) 1667 { 1668 snd_soc_component_set_drvdata(&codec->component, data); 1669 } 1670 1671 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) 1672 { 1673 return snd_soc_component_get_drvdata(&codec->component); 1674 } 1675 1676 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, 1677 void *data) 1678 { 1679 snd_soc_component_set_drvdata(&platform->component, data); 1680 } 1681 1682 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) 1683 { 1684 return snd_soc_component_get_drvdata(&platform->component); 1685 } 1686 1687 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1688 { 1689 INIT_LIST_HEAD(&card->widgets); 1690 INIT_LIST_HEAD(&card->paths); 1691 INIT_LIST_HEAD(&card->dapm_list); 1692 INIT_LIST_HEAD(&card->aux_comp_list); 1693 INIT_LIST_HEAD(&card->component_dev_list); 1694 } 1695 1696 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1697 { 1698 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1699 return 0; 1700 /* 1701 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1702 * mc->reg != mc->rreg means that the control is 1703 * stereo (bits in one register or in two registers) 1704 */ 1705 return 1; 1706 } 1707 1708 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, 1709 unsigned int val) 1710 { 1711 unsigned int i; 1712 1713 if (!e->values) 1714 return val; 1715 1716 for (i = 0; i < e->items; i++) 1717 if (val == e->values[i]) 1718 return i; 1719 1720 return 0; 1721 } 1722 1723 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, 1724 unsigned int item) 1725 { 1726 if (!e->values) 1727 return item; 1728 1729 return e->values[item]; 1730 } 1731 1732 static inline bool snd_soc_component_is_active( 1733 struct snd_soc_component *component) 1734 { 1735 return component->active != 0; 1736 } 1737 1738 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec) 1739 { 1740 return snd_soc_component_is_active(&codec->component); 1741 } 1742 1743 /** 1744 * snd_soc_kcontrol_component() - Returns the component that registered the 1745 * control 1746 * @kcontrol: The control for which to get the component 1747 * 1748 * Note: This function will work correctly if the control has been registered 1749 * for a component. Either with snd_soc_add_codec_controls() or 1750 * snd_soc_add_platform_controls() or via table based setup for either a 1751 * CODEC, a platform or component driver. Otherwise the behavior is undefined. 1752 */ 1753 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1754 struct snd_kcontrol *kcontrol) 1755 { 1756 return snd_kcontrol_chip(kcontrol); 1757 } 1758 1759 /** 1760 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control 1761 * @kcontrol: The control for which to get the CODEC 1762 * 1763 * Note: This function will only work correctly if the control has been 1764 * registered with snd_soc_add_codec_controls() or via table based setup of 1765 * snd_soc_codec_driver. Otherwise the behavior is undefined. 1766 */ 1767 static inline struct snd_soc_codec *snd_soc_kcontrol_codec( 1768 struct snd_kcontrol *kcontrol) 1769 { 1770 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol)); 1771 } 1772 1773 /** 1774 * snd_soc_kcontrol_platform() - Returns the platform that registered the control 1775 * @kcontrol: The control for which to get the platform 1776 * 1777 * Note: This function will only work correctly if the control has been 1778 * registered with snd_soc_add_platform_controls() or via table based setup of 1779 * a snd_soc_platform_driver. Otherwise the behavior is undefined. 1780 */ 1781 static inline struct snd_soc_platform *snd_soc_kcontrol_platform( 1782 struct snd_kcontrol *kcontrol) 1783 { 1784 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol)); 1785 } 1786 1787 int snd_soc_util_init(void); 1788 void snd_soc_util_exit(void); 1789 1790 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1791 const char *propname); 1792 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1793 const char *propname); 1794 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1795 unsigned int *tx_mask, 1796 unsigned int *rx_mask, 1797 unsigned int *slots, 1798 unsigned int *slot_width); 1799 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1800 struct snd_soc_codec_conf *codec_conf, 1801 struct device_node *of_node, 1802 const char *propname); 1803 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1804 const char *propname); 1805 unsigned int snd_soc_of_parse_daifmt(struct device_node *np, 1806 const char *prefix, 1807 struct device_node **bitclkmaster, 1808 struct device_node **framemaster); 1809 int snd_soc_get_dai_id(struct device_node *ep); 1810 int snd_soc_get_dai_name(struct of_phandle_args *args, 1811 const char **dai_name); 1812 int snd_soc_of_get_dai_name(struct device_node *of_node, 1813 const char **dai_name); 1814 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1815 struct device_node *of_node, 1816 struct snd_soc_dai_link *dai_link); 1817 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1818 1819 int snd_soc_add_dai_link(struct snd_soc_card *card, 1820 struct snd_soc_dai_link *dai_link); 1821 void snd_soc_remove_dai_link(struct snd_soc_card *card, 1822 struct snd_soc_dai_link *dai_link); 1823 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card, 1824 int id, const char *name, 1825 const char *stream_name); 1826 1827 int snd_soc_register_dai(struct snd_soc_component *component, 1828 struct snd_soc_dai_driver *dai_drv); 1829 1830 struct snd_soc_dai *snd_soc_find_dai( 1831 const struct snd_soc_dai_link_component *dlc); 1832 1833 #include <sound/soc-dai.h> 1834 1835 static inline 1836 struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card, 1837 const char *dai_name) 1838 { 1839 struct snd_soc_pcm_runtime *rtd; 1840 1841 list_for_each_entry(rtd, &card->rtd_list, list) { 1842 if (!strcmp(rtd->codec_dai->name, dai_name)) 1843 return rtd->codec_dai; 1844 } 1845 1846 return NULL; 1847 } 1848 1849 #ifdef CONFIG_DEBUG_FS 1850 extern struct dentry *snd_soc_debugfs_root; 1851 #endif 1852 1853 extern const struct dev_pm_ops snd_soc_pm_ops; 1854 1855 /* Helper functions */ 1856 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) 1857 { 1858 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1859 } 1860 1861 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) 1862 { 1863 mutex_unlock(&dapm->card->dapm_mutex); 1864 } 1865 1866 int snd_soc_component_enable_pin(struct snd_soc_component *component, 1867 const char *pin); 1868 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component, 1869 const char *pin); 1870 int snd_soc_component_disable_pin(struct snd_soc_component *component, 1871 const char *pin); 1872 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component, 1873 const char *pin); 1874 int snd_soc_component_nc_pin(struct snd_soc_component *component, 1875 const char *pin); 1876 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component, 1877 const char *pin); 1878 int snd_soc_component_get_pin_status(struct snd_soc_component *component, 1879 const char *pin); 1880 int snd_soc_component_force_enable_pin(struct snd_soc_component *component, 1881 const char *pin); 1882 int snd_soc_component_force_enable_pin_unlocked( 1883 struct snd_soc_component *component, 1884 const char *pin); 1885 1886 #endif 1887