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); 437 438 int snd_soc_register_card(struct snd_soc_card *card); 439 int snd_soc_unregister_card(struct snd_soc_card *card); 440 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 441 #ifdef CONFIG_PM_SLEEP 442 int snd_soc_suspend(struct device *dev); 443 int snd_soc_resume(struct device *dev); 444 #else 445 static inline int snd_soc_suspend(struct device *dev) 446 { 447 return 0; 448 } 449 450 static inline int snd_soc_resume(struct device *dev) 451 { 452 return 0; 453 } 454 #endif 455 int snd_soc_poweroff(struct device *dev); 456 int snd_soc_register_platform(struct device *dev, 457 const struct snd_soc_platform_driver *platform_drv); 458 int devm_snd_soc_register_platform(struct device *dev, 459 const struct snd_soc_platform_driver *platform_drv); 460 void snd_soc_unregister_platform(struct device *dev); 461 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, 462 const struct snd_soc_platform_driver *platform_drv); 463 void snd_soc_remove_platform(struct snd_soc_platform *platform); 464 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev); 465 int snd_soc_register_codec(struct device *dev, 466 const struct snd_soc_codec_driver *codec_drv, 467 struct snd_soc_dai_driver *dai_drv, int num_dai); 468 void snd_soc_unregister_codec(struct device *dev); 469 int snd_soc_register_component(struct device *dev, 470 const struct snd_soc_component_driver *cmpnt_drv, 471 struct snd_soc_dai_driver *dai_drv, int num_dai); 472 int devm_snd_soc_register_component(struct device *dev, 473 const struct snd_soc_component_driver *cmpnt_drv, 474 struct snd_soc_dai_driver *dai_drv, int num_dai); 475 void snd_soc_unregister_component(struct device *dev); 476 int snd_soc_cache_init(struct snd_soc_codec *codec); 477 int snd_soc_cache_exit(struct snd_soc_codec *codec); 478 479 int snd_soc_platform_read(struct snd_soc_platform *platform, 480 unsigned int reg); 481 int snd_soc_platform_write(struct snd_soc_platform *platform, 482 unsigned int reg, unsigned int val); 483 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 484 #ifdef CONFIG_SND_SOC_COMPRESS 485 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 486 #endif 487 488 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, 489 const char *dai_link, int stream); 490 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 491 const char *dai_link); 492 493 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 494 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); 495 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); 496 497 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 498 unsigned int dai_fmt); 499 500 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); 501 502 /* Utility functions to get clock rates from various things */ 503 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 504 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 505 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 506 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 507 508 /* set runtime hw params */ 509 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 510 const struct snd_pcm_hardware *hw); 511 512 int soc_dai_hw_params(struct snd_pcm_substream *substream, 513 struct snd_pcm_hw_params *params, 514 struct snd_soc_dai *dai); 515 516 /* Jack reporting */ 517 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type, 518 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins, 519 unsigned int num_pins); 520 521 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); 522 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, 523 struct snd_soc_jack_pin *pins); 524 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, 525 struct notifier_block *nb); 526 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, 527 struct notifier_block *nb); 528 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, 529 struct snd_soc_jack_zone *zones); 530 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); 531 #ifdef CONFIG_GPIOLIB 532 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 533 struct snd_soc_jack_gpio *gpios); 534 int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 535 struct snd_soc_jack *jack, 536 int count, struct snd_soc_jack_gpio *gpios); 537 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 538 struct snd_soc_jack_gpio *gpios); 539 #else 540 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 541 struct snd_soc_jack_gpio *gpios) 542 { 543 return 0; 544 } 545 546 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 547 struct snd_soc_jack *jack, 548 int count, 549 struct snd_soc_jack_gpio *gpios) 550 { 551 return 0; 552 } 553 554 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 555 struct snd_soc_jack_gpio *gpios) 556 { 557 } 558 #endif 559 560 /* codec register bit access */ 561 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg, 562 unsigned int mask, unsigned int value); 563 int snd_soc_update_bits_locked(struct snd_soc_codec *codec, 564 unsigned int reg, unsigned int mask, 565 unsigned int value); 566 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg, 567 unsigned int mask, unsigned int value); 568 569 #ifdef CONFIG_SND_SOC_AC97_BUS 570 struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec); 571 struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec, 572 unsigned int id, unsigned int id_mask); 573 void snd_soc_free_ac97_codec(struct snd_ac97 *ac97); 574 575 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 576 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 577 struct platform_device *pdev); 578 579 extern struct snd_ac97_bus_ops *soc_ac97_ops; 580 #else 581 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 582 struct platform_device *pdev) 583 { 584 return 0; 585 } 586 587 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 588 { 589 return 0; 590 } 591 #endif 592 593 /* 594 *Controls 595 */ 596 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 597 void *data, const char *long_name, 598 const char *prefix); 599 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, 600 const char *name); 601 int snd_soc_add_component_controls(struct snd_soc_component *component, 602 const struct snd_kcontrol_new *controls, unsigned int num_controls); 603 int snd_soc_add_codec_controls(struct snd_soc_codec *codec, 604 const struct snd_kcontrol_new *controls, unsigned int num_controls); 605 int snd_soc_add_platform_controls(struct snd_soc_platform *platform, 606 const struct snd_kcontrol_new *controls, unsigned int num_controls); 607 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 608 const struct snd_kcontrol_new *controls, int num_controls); 609 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 610 const struct snd_kcontrol_new *controls, int num_controls); 611 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 612 struct snd_ctl_elem_info *uinfo); 613 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 614 struct snd_ctl_elem_value *ucontrol); 615 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 616 struct snd_ctl_elem_value *ucontrol); 617 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 618 struct snd_ctl_elem_info *uinfo); 619 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 620 struct snd_ctl_elem_info *uinfo); 621 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 622 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 623 struct snd_ctl_elem_value *ucontrol); 624 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 625 struct snd_ctl_elem_value *ucontrol); 626 #define snd_soc_get_volsw_2r snd_soc_get_volsw 627 #define snd_soc_put_volsw_2r snd_soc_put_volsw 628 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 629 struct snd_ctl_elem_value *ucontrol); 630 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 631 struct snd_ctl_elem_value *ucontrol); 632 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 633 struct snd_ctl_elem_info *uinfo); 634 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 635 struct snd_ctl_elem_value *ucontrol); 636 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 637 struct snd_ctl_elem_value *ucontrol); 638 int snd_soc_limit_volume(struct snd_soc_card *card, 639 const char *name, int max); 640 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 641 struct snd_ctl_elem_info *uinfo); 642 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 643 struct snd_ctl_elem_value *ucontrol); 644 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 645 struct snd_ctl_elem_value *ucontrol); 646 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 647 struct snd_ctl_elem_info *ucontrol); 648 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 649 unsigned int size, unsigned int __user *tlv); 650 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 651 struct snd_ctl_elem_info *uinfo); 652 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 653 struct snd_ctl_elem_value *ucontrol); 654 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 655 struct snd_ctl_elem_value *ucontrol); 656 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 657 struct snd_ctl_elem_value *ucontrol); 658 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 659 struct snd_ctl_elem_value *ucontrol); 660 661 /** 662 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection 663 * 664 * @pin: name of the pin to update 665 * @mask: bits to check for in reported jack status 666 * @invert: if non-zero then pin is enabled when status is not reported 667 * @list: internal list entry 668 */ 669 struct snd_soc_jack_pin { 670 struct list_head list; 671 const char *pin; 672 int mask; 673 bool invert; 674 }; 675 676 /** 677 * struct snd_soc_jack_zone - Describes voltage zones of jack detection 678 * 679 * @min_mv: start voltage in mv 680 * @max_mv: end voltage in mv 681 * @jack_type: type of jack that is expected for this voltage 682 * @debounce_time: debounce_time for jack, codec driver should wait for this 683 * duration before reading the adc for voltages 684 * @list: internal list entry 685 */ 686 struct snd_soc_jack_zone { 687 unsigned int min_mv; 688 unsigned int max_mv; 689 unsigned int jack_type; 690 unsigned int debounce_time; 691 struct list_head list; 692 }; 693 694 /** 695 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection 696 * 697 * @gpio: legacy gpio number 698 * @idx: gpio descriptor index within the function of the GPIO 699 * consumer device 700 * @gpiod_dev: GPIO consumer device 701 * @name: gpio name. Also as connection ID for the GPIO consumer 702 * device function name lookup 703 * @report: value to report when jack detected 704 * @invert: report presence in low state 705 * @debounce_time: debounce time in ms 706 * @wake: enable as wake source 707 * @jack_status_check: callback function which overrides the detection 708 * to provide more complex checks (eg, reading an 709 * ADC). 710 */ 711 struct snd_soc_jack_gpio { 712 unsigned int gpio; 713 unsigned int idx; 714 struct device *gpiod_dev; 715 const char *name; 716 int report; 717 int invert; 718 int debounce_time; 719 bool wake; 720 721 /* private: */ 722 struct snd_soc_jack *jack; 723 struct delayed_work work; 724 struct gpio_desc *desc; 725 726 void *data; 727 /* public: */ 728 int (*jack_status_check)(void *data); 729 }; 730 731 struct snd_soc_jack { 732 struct mutex mutex; 733 struct snd_jack *jack; 734 struct snd_soc_card *card; 735 struct list_head pins; 736 int status; 737 struct blocking_notifier_head notifier; 738 struct list_head jack_zones; 739 }; 740 741 /* SoC PCM stream information */ 742 struct snd_soc_pcm_stream { 743 const char *stream_name; 744 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 745 unsigned int rates; /* SNDRV_PCM_RATE_* */ 746 unsigned int rate_min; /* min rate */ 747 unsigned int rate_max; /* max rate */ 748 unsigned int channels_min; /* min channels */ 749 unsigned int channels_max; /* max channels */ 750 unsigned int sig_bits; /* number of bits of content */ 751 }; 752 753 /* SoC audio ops */ 754 struct snd_soc_ops { 755 int (*startup)(struct snd_pcm_substream *); 756 void (*shutdown)(struct snd_pcm_substream *); 757 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 758 int (*hw_free)(struct snd_pcm_substream *); 759 int (*prepare)(struct snd_pcm_substream *); 760 int (*trigger)(struct snd_pcm_substream *, int); 761 }; 762 763 struct snd_soc_compr_ops { 764 int (*startup)(struct snd_compr_stream *); 765 void (*shutdown)(struct snd_compr_stream *); 766 int (*set_params)(struct snd_compr_stream *); 767 int (*trigger)(struct snd_compr_stream *); 768 }; 769 770 /* component interface */ 771 struct snd_soc_component_driver { 772 const char *name; 773 774 /* Default control and setup, added after probe() is run */ 775 const struct snd_kcontrol_new *controls; 776 unsigned int num_controls; 777 const struct snd_soc_dapm_widget *dapm_widgets; 778 unsigned int num_dapm_widgets; 779 const struct snd_soc_dapm_route *dapm_routes; 780 unsigned int num_dapm_routes; 781 782 int (*probe)(struct snd_soc_component *); 783 void (*remove)(struct snd_soc_component *); 784 int (*suspend)(struct snd_soc_component *); 785 int (*resume)(struct snd_soc_component *); 786 787 /* pcm creation and destruction */ 788 int (*pcm_new)(struct snd_soc_pcm_runtime *); 789 void (*pcm_free)(struct snd_pcm *); 790 791 /* DT */ 792 int (*of_xlate_dai_name)(struct snd_soc_component *component, 793 struct of_phandle_args *args, 794 const char **dai_name); 795 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type, 796 int subseq); 797 int (*stream_event)(struct snd_soc_component *, int event); 798 799 /* probe ordering - for components with runtime dependencies */ 800 int probe_order; 801 int remove_order; 802 }; 803 804 struct snd_soc_component { 805 const char *name; 806 int id; 807 const char *name_prefix; 808 struct device *dev; 809 struct snd_soc_card *card; 810 811 unsigned int active; 812 813 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ 814 unsigned int registered_as_component:1; 815 unsigned int auxiliary:1; /* for auxiliary component of the card */ 816 unsigned int suspended:1; /* is in suspend PM state */ 817 818 struct list_head list; 819 struct list_head card_aux_list; /* for auxiliary bound components */ 820 struct list_head card_list; 821 822 struct snd_soc_dai_driver *dai_drv; 823 int num_dai; 824 825 const struct snd_soc_component_driver *driver; 826 827 struct list_head dai_list; 828 829 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *); 830 int (*write)(struct snd_soc_component *, unsigned int, unsigned int); 831 832 struct regmap *regmap; 833 int val_bytes; 834 835 struct mutex io_mutex; 836 837 /* attached dynamic objects */ 838 struct list_head dobj_list; 839 840 #ifdef CONFIG_DEBUG_FS 841 struct dentry *debugfs_root; 842 #endif 843 844 /* 845 * DO NOT use any of the fields below in drivers, they are temporary and 846 * are going to be removed again soon. If you use them in driver code the 847 * driver will be marked as BROKEN when these fields are removed. 848 */ 849 850 /* Don't use these, use snd_soc_component_get_dapm() */ 851 struct snd_soc_dapm_context dapm; 852 853 const struct snd_kcontrol_new *controls; 854 unsigned int num_controls; 855 const struct snd_soc_dapm_widget *dapm_widgets; 856 unsigned int num_dapm_widgets; 857 const struct snd_soc_dapm_route *dapm_routes; 858 unsigned int num_dapm_routes; 859 struct snd_soc_codec *codec; 860 861 int (*probe)(struct snd_soc_component *); 862 void (*remove)(struct snd_soc_component *); 863 int (*suspend)(struct snd_soc_component *); 864 int (*resume)(struct snd_soc_component *); 865 int (*pcm_new)(struct snd_soc_pcm_runtime *); 866 void (*pcm_free)(struct snd_pcm *); 867 868 /* machine specific init */ 869 int (*init)(struct snd_soc_component *component); 870 871 #ifdef CONFIG_DEBUG_FS 872 void (*init_debugfs)(struct snd_soc_component *component); 873 const char *debugfs_prefix; 874 #endif 875 }; 876 877 /* SoC Audio Codec device */ 878 struct snd_soc_codec { 879 struct device *dev; 880 const struct snd_soc_codec_driver *driver; 881 882 struct list_head list; 883 884 /* runtime */ 885 unsigned int cache_bypass:1; /* Suppress access to the cache */ 886 unsigned int cache_init:1; /* codec cache has been initialized */ 887 888 /* codec IO */ 889 void *control_data; /* codec control (i2c/3wire) data */ 890 hw_write_t hw_write; 891 void *reg_cache; 892 893 /* component */ 894 struct snd_soc_component component; 895 896 #ifdef CONFIG_DEBUG_FS 897 struct dentry *debugfs_reg; 898 #endif 899 }; 900 901 /* codec driver */ 902 struct snd_soc_codec_driver { 903 904 /* driver ops */ 905 int (*probe)(struct snd_soc_codec *); 906 int (*remove)(struct snd_soc_codec *); 907 int (*suspend)(struct snd_soc_codec *); 908 int (*resume)(struct snd_soc_codec *); 909 struct snd_soc_component_driver component_driver; 910 911 /* codec wide operations */ 912 int (*set_sysclk)(struct snd_soc_codec *codec, 913 int clk_id, int source, unsigned int freq, int dir); 914 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, 915 unsigned int freq_in, unsigned int freq_out); 916 917 /* codec IO */ 918 struct regmap *(*get_regmap)(struct device *); 919 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 920 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 921 unsigned int reg_cache_size; 922 short reg_cache_step; 923 short reg_word_size; 924 const void *reg_cache_default; 925 926 /* codec bias level */ 927 int (*set_bias_level)(struct snd_soc_codec *, 928 enum snd_soc_bias_level level); 929 bool idle_bias_off; 930 bool suspend_bias_off; 931 932 void (*seq_notifier)(struct snd_soc_dapm_context *, 933 enum snd_soc_dapm_type, int); 934 935 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ 936 }; 937 938 /* SoC platform interface */ 939 struct snd_soc_platform_driver { 940 941 int (*probe)(struct snd_soc_platform *); 942 int (*remove)(struct snd_soc_platform *); 943 struct snd_soc_component_driver component_driver; 944 945 /* pcm creation and destruction */ 946 int (*pcm_new)(struct snd_soc_pcm_runtime *); 947 void (*pcm_free)(struct snd_pcm *); 948 949 /* platform stream pcm ops */ 950 const struct snd_pcm_ops *ops; 951 952 /* platform stream compress ops */ 953 const struct snd_compr_ops *compr_ops; 954 }; 955 956 struct snd_soc_dai_link_component { 957 const char *name; 958 struct device_node *of_node; 959 const char *dai_name; 960 }; 961 962 struct snd_soc_platform { 963 struct device *dev; 964 const struct snd_soc_platform_driver *driver; 965 966 struct list_head list; 967 968 struct snd_soc_component component; 969 }; 970 971 struct snd_soc_dai_link { 972 /* config - must be set by machine driver */ 973 const char *name; /* Codec name */ 974 const char *stream_name; /* Stream name */ 975 /* 976 * You MAY specify the link's CPU-side device, either by device name, 977 * or by DT/OF node, but not both. If this information is omitted, 978 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 979 * must be globally unique. These fields are currently typically used 980 * only for codec to codec links, or systems using device tree. 981 */ 982 const char *cpu_name; 983 struct device_node *cpu_of_node; 984 /* 985 * You MAY specify the DAI name of the CPU DAI. If this information is 986 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 987 * only, which only works well when that device exposes a single DAI. 988 */ 989 const char *cpu_dai_name; 990 /* 991 * You MUST specify the link's codec, either by device name, or by 992 * DT/OF node, but not both. 993 */ 994 const char *codec_name; 995 struct device_node *codec_of_node; 996 /* You MUST specify the DAI name within the codec */ 997 const char *codec_dai_name; 998 999 struct snd_soc_dai_link_component *codecs; 1000 unsigned int num_codecs; 1001 1002 /* 1003 * You MAY specify the link's platform/PCM/DMA driver, either by 1004 * device name, or by DT/OF node, but not both. Some forms of link 1005 * do not need a platform. 1006 */ 1007 const char *platform_name; 1008 struct device_node *platform_of_node; 1009 int id; /* optional ID for machine driver link identification */ 1010 1011 const struct snd_soc_pcm_stream *params; 1012 unsigned int num_params; 1013 1014 unsigned int dai_fmt; /* format to set on init */ 1015 1016 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 1017 1018 /* codec/machine specific init - e.g. add machine controls */ 1019 int (*init)(struct snd_soc_pcm_runtime *rtd); 1020 1021 /* optional hw_params re-writing for BE and FE sync */ 1022 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 1023 struct snd_pcm_hw_params *params); 1024 1025 /* machine stream operations */ 1026 const struct snd_soc_ops *ops; 1027 const struct snd_soc_compr_ops *compr_ops; 1028 1029 /* Mark this pcm with non atomic ops */ 1030 bool nonatomic; 1031 1032 /* For unidirectional dai links */ 1033 unsigned int playback_only:1; 1034 unsigned int capture_only:1; 1035 1036 /* Keep DAI active over suspend */ 1037 unsigned int ignore_suspend:1; 1038 1039 /* Symmetry requirements */ 1040 unsigned int symmetric_rates:1; 1041 unsigned int symmetric_channels:1; 1042 unsigned int symmetric_samplebits:1; 1043 1044 /* Do not create a PCM for this DAI link (Backend link) */ 1045 unsigned int no_pcm:1; 1046 1047 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 1048 unsigned int dynamic:1; 1049 1050 /* DPCM capture and Playback support */ 1051 unsigned int dpcm_capture:1; 1052 unsigned int dpcm_playback:1; 1053 1054 /* DPCM used FE & BE merged format */ 1055 unsigned int dpcm_merged_format:1; 1056 1057 /* pmdown_time is ignored at stop */ 1058 unsigned int ignore_pmdown_time:1; 1059 1060 struct list_head list; /* DAI link list of the soc card */ 1061 struct snd_soc_dobj dobj; /* For topology */ 1062 }; 1063 1064 struct snd_soc_codec_conf { 1065 /* 1066 * specify device either by device name, or by 1067 * DT/OF node, but not both. 1068 */ 1069 const char *dev_name; 1070 struct device_node *of_node; 1071 1072 /* 1073 * optional map of kcontrol, widget and path name prefixes that are 1074 * associated per device 1075 */ 1076 const char *name_prefix; 1077 }; 1078 1079 struct snd_soc_aux_dev { 1080 const char *name; /* Codec name */ 1081 1082 /* 1083 * specify multi-codec either by device name, or by 1084 * DT/OF node, but not both. 1085 */ 1086 const char *codec_name; 1087 struct device_node *codec_of_node; 1088 1089 /* codec/machine specific init - e.g. add machine controls */ 1090 int (*init)(struct snd_soc_component *component); 1091 }; 1092 1093 /* SoC card */ 1094 struct snd_soc_card { 1095 const char *name; 1096 const char *long_name; 1097 const char *driver_name; 1098 char dmi_longname[80]; 1099 1100 struct device *dev; 1101 struct snd_card *snd_card; 1102 struct module *owner; 1103 1104 struct mutex mutex; 1105 struct mutex dapm_mutex; 1106 1107 bool instantiated; 1108 1109 int (*probe)(struct snd_soc_card *card); 1110 int (*late_probe)(struct snd_soc_card *card); 1111 int (*remove)(struct snd_soc_card *card); 1112 1113 /* the pre and post PM functions are used to do any PM work before and 1114 * after the codec and DAI's do any PM work. */ 1115 int (*suspend_pre)(struct snd_soc_card *card); 1116 int (*suspend_post)(struct snd_soc_card *card); 1117 int (*resume_pre)(struct snd_soc_card *card); 1118 int (*resume_post)(struct snd_soc_card *card); 1119 1120 /* callbacks */ 1121 int (*set_bias_level)(struct snd_soc_card *, 1122 struct snd_soc_dapm_context *dapm, 1123 enum snd_soc_bias_level level); 1124 int (*set_bias_level_post)(struct snd_soc_card *, 1125 struct snd_soc_dapm_context *dapm, 1126 enum snd_soc_bias_level level); 1127 1128 int (*add_dai_link)(struct snd_soc_card *, 1129 struct snd_soc_dai_link *link); 1130 void (*remove_dai_link)(struct snd_soc_card *, 1131 struct snd_soc_dai_link *link); 1132 1133 long pmdown_time; 1134 1135 /* CPU <--> Codec DAI links */ 1136 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1137 int num_links; /* predefined links only */ 1138 struct list_head dai_link_list; /* all links */ 1139 int num_dai_links; 1140 1141 struct list_head rtd_list; 1142 int num_rtd; 1143 1144 /* optional codec specific configuration */ 1145 struct snd_soc_codec_conf *codec_conf; 1146 int num_configs; 1147 1148 /* 1149 * optional auxiliary devices such as amplifiers or codecs with DAI 1150 * link unused 1151 */ 1152 struct snd_soc_aux_dev *aux_dev; 1153 int num_aux_devs; 1154 struct list_head aux_comp_list; 1155 1156 const struct snd_kcontrol_new *controls; 1157 int num_controls; 1158 1159 /* 1160 * Card-specific routes and widgets. 1161 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1162 */ 1163 const struct snd_soc_dapm_widget *dapm_widgets; 1164 int num_dapm_widgets; 1165 const struct snd_soc_dapm_route *dapm_routes; 1166 int num_dapm_routes; 1167 const struct snd_soc_dapm_widget *of_dapm_widgets; 1168 int num_of_dapm_widgets; 1169 const struct snd_soc_dapm_route *of_dapm_routes; 1170 int num_of_dapm_routes; 1171 bool fully_routed; 1172 1173 struct work_struct deferred_resume_work; 1174 1175 /* lists of probed devices belonging to this card */ 1176 struct list_head component_dev_list; 1177 1178 struct list_head widgets; 1179 struct list_head paths; 1180 struct list_head dapm_list; 1181 struct list_head dapm_dirty; 1182 1183 /* attached dynamic objects */ 1184 struct list_head dobj_list; 1185 1186 /* Generic DAPM context for the card */ 1187 struct snd_soc_dapm_context dapm; 1188 struct snd_soc_dapm_stats dapm_stats; 1189 struct snd_soc_dapm_update *update; 1190 1191 #ifdef CONFIG_DEBUG_FS 1192 struct dentry *debugfs_card_root; 1193 struct dentry *debugfs_pop_time; 1194 #endif 1195 u32 pop_time; 1196 1197 void *drvdata; 1198 }; 1199 1200 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1201 struct snd_soc_pcm_runtime { 1202 struct device *dev; 1203 struct snd_soc_card *card; 1204 struct snd_soc_dai_link *dai_link; 1205 struct mutex pcm_mutex; 1206 enum snd_soc_pcm_subclass pcm_subclass; 1207 struct snd_pcm_ops ops; 1208 1209 /* Dynamic PCM BE runtime data */ 1210 struct snd_soc_dpcm_runtime dpcm[2]; 1211 int fe_compr; 1212 1213 long pmdown_time; 1214 1215 /* runtime devices */ 1216 struct snd_pcm *pcm; 1217 struct snd_compr *compr; 1218 struct snd_soc_codec *codec; 1219 struct snd_soc_platform *platform; 1220 struct snd_soc_dai *codec_dai; 1221 struct snd_soc_dai *cpu_dai; 1222 1223 struct snd_soc_dai **codec_dais; 1224 unsigned int num_codecs; 1225 1226 struct delayed_work delayed_work; 1227 #ifdef CONFIG_DEBUG_FS 1228 struct dentry *debugfs_dpcm_root; 1229 struct dentry *debugfs_dpcm_state; 1230 #endif 1231 1232 unsigned int num; /* 0-based and monotonic increasing */ 1233 struct list_head list; /* rtd list of the soc card */ 1234 1235 /* bit field */ 1236 unsigned int dev_registered:1; 1237 unsigned int pop_wait:1; 1238 }; 1239 1240 /* mixer control */ 1241 struct soc_mixer_control { 1242 int min, max, platform_max; 1243 int reg, rreg; 1244 unsigned int shift, rshift; 1245 unsigned int sign_bit; 1246 unsigned int invert:1; 1247 unsigned int autodisable:1; 1248 struct snd_soc_dobj dobj; 1249 }; 1250 1251 struct soc_bytes { 1252 int base; 1253 int num_regs; 1254 u32 mask; 1255 }; 1256 1257 struct soc_bytes_ext { 1258 int max; 1259 struct snd_soc_dobj dobj; 1260 1261 /* used for TLV byte control */ 1262 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1263 unsigned int size); 1264 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1265 unsigned int size); 1266 }; 1267 1268 /* multi register control */ 1269 struct soc_mreg_control { 1270 long min, max; 1271 unsigned int regbase, regcount, nbits, invert; 1272 }; 1273 1274 /* enumerated kcontrol */ 1275 struct soc_enum { 1276 int reg; 1277 unsigned char shift_l; 1278 unsigned char shift_r; 1279 unsigned int items; 1280 unsigned int mask; 1281 const char * const *texts; 1282 const unsigned int *values; 1283 unsigned int autodisable:1; 1284 struct snd_soc_dobj dobj; 1285 }; 1286 1287 /** 1288 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in 1289 * @component: The component to cast to a CODEC 1290 * 1291 * This function must only be used on components that are known to be CODECs. 1292 * Otherwise the behavior is undefined. 1293 */ 1294 static inline struct snd_soc_codec *snd_soc_component_to_codec( 1295 struct snd_soc_component *component) 1296 { 1297 return container_of(component, struct snd_soc_codec, component); 1298 } 1299 1300 /** 1301 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in 1302 * @component: The component to cast to a platform 1303 * 1304 * This function must only be used on components that are known to be platforms. 1305 * Otherwise the behavior is undefined. 1306 */ 1307 static inline struct snd_soc_platform *snd_soc_component_to_platform( 1308 struct snd_soc_component *component) 1309 { 1310 return container_of(component, struct snd_soc_platform, component); 1311 } 1312 1313 /** 1314 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is 1315 * embedded in 1316 * @dapm: The DAPM context to cast to the component 1317 * 1318 * This function must only be used on DAPM contexts that are known to be part of 1319 * a component (e.g. in a component driver). Otherwise the behavior is 1320 * undefined. 1321 */ 1322 static inline struct snd_soc_component *snd_soc_dapm_to_component( 1323 struct snd_soc_dapm_context *dapm) 1324 { 1325 return container_of(dapm, struct snd_soc_component, dapm); 1326 } 1327 1328 /** 1329 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in 1330 * @dapm: The DAPM context to cast to the CODEC 1331 * 1332 * This function must only be used on DAPM contexts that are known to be part of 1333 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. 1334 */ 1335 static inline struct snd_soc_codec *snd_soc_dapm_to_codec( 1336 struct snd_soc_dapm_context *dapm) 1337 { 1338 return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm)); 1339 } 1340 1341 /** 1342 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is 1343 * embedded in 1344 * @dapm: The DAPM context to cast to the platform. 1345 * 1346 * This function must only be used on DAPM contexts that are known to be part of 1347 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined. 1348 */ 1349 static inline struct snd_soc_platform *snd_soc_dapm_to_platform( 1350 struct snd_soc_dapm_context *dapm) 1351 { 1352 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm)); 1353 } 1354 1355 /** 1356 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a 1357 * component 1358 * @component: The component for which to get the DAPM context 1359 */ 1360 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( 1361 struct snd_soc_component *component) 1362 { 1363 return &component->dapm; 1364 } 1365 1366 /** 1367 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC 1368 * @codec: The CODEC for which to get the DAPM context 1369 * 1370 * Note: Use this function instead of directly accessing the CODEC's dapm field 1371 */ 1372 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm( 1373 struct snd_soc_codec *codec) 1374 { 1375 return snd_soc_component_get_dapm(&codec->component); 1376 } 1377 1378 /** 1379 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level 1380 * @codec: The CODEC for which to initialize the DAPM bias level 1381 * @level: The DAPM level to initialize to 1382 * 1383 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level(). 1384 */ 1385 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec, 1386 enum snd_soc_bias_level level) 1387 { 1388 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level); 1389 } 1390 1391 /** 1392 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level 1393 * @codec: The CODEC for which to get the DAPM bias level 1394 * 1395 * Returns: The current DAPM bias level of the CODEC. 1396 */ 1397 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level( 1398 struct snd_soc_codec *codec) 1399 { 1400 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec)); 1401 } 1402 1403 /** 1404 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level 1405 * @codec: The CODEC for which to set the level 1406 * @level: The level to set to 1407 * 1408 * Forces the CODEC bias level to a specific state. See 1409 * snd_soc_dapm_force_bias_level(). 1410 */ 1411 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec, 1412 enum snd_soc_bias_level level) 1413 { 1414 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec), 1415 level); 1416 } 1417 1418 /** 1419 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol 1420 * @kcontrol: The kcontrol 1421 * 1422 * This function must only be used on DAPM contexts that are known to be part of 1423 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. 1424 */ 1425 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec( 1426 struct snd_kcontrol *kcontrol) 1427 { 1428 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol)); 1429 } 1430 1431 /* codec IO */ 1432 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); 1433 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg, 1434 unsigned int val); 1435 1436 /** 1437 * snd_soc_cache_sync() - Sync the register cache with the hardware 1438 * @codec: CODEC to sync 1439 * 1440 * Note: This function will call regcache_sync() 1441 */ 1442 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec) 1443 { 1444 return regcache_sync(codec->component.regmap); 1445 } 1446 1447 /* component IO */ 1448 int snd_soc_component_read(struct snd_soc_component *component, 1449 unsigned int reg, unsigned int *val); 1450 int snd_soc_component_write(struct snd_soc_component *component, 1451 unsigned int reg, unsigned int val); 1452 int snd_soc_component_update_bits(struct snd_soc_component *component, 1453 unsigned int reg, unsigned int mask, unsigned int val); 1454 int snd_soc_component_update_bits_async(struct snd_soc_component *component, 1455 unsigned int reg, unsigned int mask, unsigned int val); 1456 void snd_soc_component_async_complete(struct snd_soc_component *component); 1457 int snd_soc_component_test_bits(struct snd_soc_component *component, 1458 unsigned int reg, unsigned int mask, unsigned int value); 1459 1460 #ifdef CONFIG_REGMAP 1461 1462 void snd_soc_component_init_regmap(struct snd_soc_component *component, 1463 struct regmap *regmap); 1464 void snd_soc_component_exit_regmap(struct snd_soc_component *component); 1465 1466 /** 1467 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC 1468 * @codec: The CODEC for which to initialize the regmap instance 1469 * @regmap: The regmap instance that should be used by the CODEC 1470 * 1471 * This function allows deferred assignment of the regmap instance that is 1472 * associated with the CODEC. Only use this if the regmap instance is not yet 1473 * ready when the CODEC is registered. The function must also be called before 1474 * the first IO attempt of the CODEC. 1475 */ 1476 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec, 1477 struct regmap *regmap) 1478 { 1479 snd_soc_component_init_regmap(&codec->component, regmap); 1480 } 1481 1482 /** 1483 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC 1484 * @codec: The CODEC for which to de-initialize the regmap instance 1485 * 1486 * Calls regmap_exit() on the regmap instance associated to the CODEC and 1487 * removes the regmap instance from the CODEC. 1488 * 1489 * This function should only be used if snd_soc_codec_init_regmap() was used to 1490 * initialize the regmap instance. 1491 */ 1492 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec) 1493 { 1494 snd_soc_component_exit_regmap(&codec->component); 1495 } 1496 1497 #endif 1498 1499 /* device driver data */ 1500 1501 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1502 void *data) 1503 { 1504 card->drvdata = data; 1505 } 1506 1507 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1508 { 1509 return card->drvdata; 1510 } 1511 1512 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, 1513 void *data) 1514 { 1515 dev_set_drvdata(c->dev, data); 1516 } 1517 1518 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) 1519 { 1520 return dev_get_drvdata(c->dev); 1521 } 1522 1523 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, 1524 void *data) 1525 { 1526 snd_soc_component_set_drvdata(&codec->component, data); 1527 } 1528 1529 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) 1530 { 1531 return snd_soc_component_get_drvdata(&codec->component); 1532 } 1533 1534 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, 1535 void *data) 1536 { 1537 snd_soc_component_set_drvdata(&platform->component, data); 1538 } 1539 1540 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) 1541 { 1542 return snd_soc_component_get_drvdata(&platform->component); 1543 } 1544 1545 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1546 { 1547 INIT_LIST_HEAD(&card->widgets); 1548 INIT_LIST_HEAD(&card->paths); 1549 INIT_LIST_HEAD(&card->dapm_list); 1550 INIT_LIST_HEAD(&card->aux_comp_list); 1551 INIT_LIST_HEAD(&card->component_dev_list); 1552 } 1553 1554 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1555 { 1556 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1557 return 0; 1558 /* 1559 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1560 * mc->reg != mc->rreg means that the control is 1561 * stereo (bits in one register or in two registers) 1562 */ 1563 return 1; 1564 } 1565 1566 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, 1567 unsigned int val) 1568 { 1569 unsigned int i; 1570 1571 if (!e->values) 1572 return val; 1573 1574 for (i = 0; i < e->items; i++) 1575 if (val == e->values[i]) 1576 return i; 1577 1578 return 0; 1579 } 1580 1581 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, 1582 unsigned int item) 1583 { 1584 if (!e->values) 1585 return item; 1586 1587 return e->values[item]; 1588 } 1589 1590 static inline bool snd_soc_component_is_active( 1591 struct snd_soc_component *component) 1592 { 1593 return component->active != 0; 1594 } 1595 1596 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec) 1597 { 1598 return snd_soc_component_is_active(&codec->component); 1599 } 1600 1601 /** 1602 * snd_soc_kcontrol_component() - Returns the component that registered the 1603 * control 1604 * @kcontrol: The control for which to get the component 1605 * 1606 * Note: This function will work correctly if the control has been registered 1607 * for a component. Either with snd_soc_add_codec_controls() or 1608 * snd_soc_add_platform_controls() or via table based setup for either a 1609 * CODEC, a platform or component driver. Otherwise the behavior is undefined. 1610 */ 1611 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1612 struct snd_kcontrol *kcontrol) 1613 { 1614 return snd_kcontrol_chip(kcontrol); 1615 } 1616 1617 /** 1618 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control 1619 * @kcontrol: The control for which to get the CODEC 1620 * 1621 * Note: This function will only work correctly if the control has been 1622 * registered with snd_soc_add_codec_controls() or via table based setup of 1623 * snd_soc_codec_driver. Otherwise the behavior is undefined. 1624 */ 1625 static inline struct snd_soc_codec *snd_soc_kcontrol_codec( 1626 struct snd_kcontrol *kcontrol) 1627 { 1628 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol)); 1629 } 1630 1631 /** 1632 * snd_soc_kcontrol_platform() - Returns the platform that registered the control 1633 * @kcontrol: The control for which to get the platform 1634 * 1635 * Note: This function will only work correctly if the control has been 1636 * registered with snd_soc_add_platform_controls() or via table based setup of 1637 * a snd_soc_platform_driver. Otherwise the behavior is undefined. 1638 */ 1639 static inline struct snd_soc_platform *snd_soc_kcontrol_platform( 1640 struct snd_kcontrol *kcontrol) 1641 { 1642 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol)); 1643 } 1644 1645 int snd_soc_util_init(void); 1646 void snd_soc_util_exit(void); 1647 1648 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1649 const char *propname); 1650 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1651 const char *propname); 1652 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1653 unsigned int *tx_mask, 1654 unsigned int *rx_mask, 1655 unsigned int *slots, 1656 unsigned int *slot_width); 1657 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1658 struct snd_soc_codec_conf *codec_conf, 1659 struct device_node *of_node, 1660 const char *propname); 1661 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1662 const char *propname); 1663 unsigned int snd_soc_of_parse_daifmt(struct device_node *np, 1664 const char *prefix, 1665 struct device_node **bitclkmaster, 1666 struct device_node **framemaster); 1667 int snd_soc_get_dai_name(struct of_phandle_args *args, 1668 const char **dai_name); 1669 int snd_soc_of_get_dai_name(struct device_node *of_node, 1670 const char **dai_name); 1671 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1672 struct device_node *of_node, 1673 struct snd_soc_dai_link *dai_link); 1674 1675 int snd_soc_add_dai_link(struct snd_soc_card *card, 1676 struct snd_soc_dai_link *dai_link); 1677 void snd_soc_remove_dai_link(struct snd_soc_card *card, 1678 struct snd_soc_dai_link *dai_link); 1679 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card, 1680 int id, const char *name, 1681 const char *stream_name); 1682 1683 int snd_soc_register_dai(struct snd_soc_component *component, 1684 struct snd_soc_dai_driver *dai_drv); 1685 1686 struct snd_soc_dai *snd_soc_find_dai( 1687 const struct snd_soc_dai_link_component *dlc); 1688 1689 #include <sound/soc-dai.h> 1690 1691 #ifdef CONFIG_DEBUG_FS 1692 extern struct dentry *snd_soc_debugfs_root; 1693 #endif 1694 1695 extern const struct dev_pm_ops snd_soc_pm_ops; 1696 1697 /* Helper functions */ 1698 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) 1699 { 1700 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1701 } 1702 1703 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) 1704 { 1705 mutex_unlock(&dapm->card->dapm_mutex); 1706 } 1707 1708 int snd_soc_component_enable_pin(struct snd_soc_component *component, 1709 const char *pin); 1710 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component, 1711 const char *pin); 1712 int snd_soc_component_disable_pin(struct snd_soc_component *component, 1713 const char *pin); 1714 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component, 1715 const char *pin); 1716 int snd_soc_component_nc_pin(struct snd_soc_component *component, 1717 const char *pin); 1718 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component, 1719 const char *pin); 1720 int snd_soc_component_get_pin_status(struct snd_soc_component *component, 1721 const char *pin); 1722 int snd_soc_component_force_enable_pin(struct snd_soc_component *component, 1723 const char *pin); 1724 int snd_soc_component_force_enable_pin_unlocked( 1725 struct snd_soc_component *component, 1726 const char *pin); 1727 1728 #endif 1729