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_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \ 40 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable) 41 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ 42 ((unsigned long)&(struct soc_mixer_control) \ 43 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert}) 44 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ 45 ((unsigned long)&(struct soc_mixer_control) \ 46 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 47 .max = xmax, .platform_max = xmax, .invert = xinvert}) 48 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ 49 ((unsigned long)&(struct soc_mixer_control) \ 50 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 51 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert}) 52 #define SOC_SINGLE(xname, reg, shift, max, invert) \ 53 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 54 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 55 .put = snd_soc_put_volsw, \ 56 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 57 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ 58 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 59 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ 60 .put = snd_soc_put_volsw_range, \ 61 .private_value = (unsigned long)&(struct soc_mixer_control) \ 62 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 63 .rshift = xshift, .min = xmin, .max = xmax, \ 64 .platform_max = xmax, .invert = xinvert} } 65 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 66 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 67 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 68 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 69 .tlv.p = (tlv_array), \ 70 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 71 .put = snd_soc_put_volsw, \ 72 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 73 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ 74 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 75 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 76 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 77 .tlv.p = (tlv_array),\ 78 .info = snd_soc_info_volsw, \ 79 .get = snd_soc_get_volsw_sx,\ 80 .put = snd_soc_put_volsw_sx, \ 81 .private_value = (unsigned long)&(struct soc_mixer_control) \ 82 {.reg = xreg, .rreg = xreg, \ 83 .shift = xshift, .rshift = xshift, \ 84 .max = xmax, .min = xmin} } 85 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ 86 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 87 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 88 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 89 .tlv.p = (tlv_array), \ 90 .info = snd_soc_info_volsw_range, \ 91 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 92 .private_value = (unsigned long)&(struct soc_mixer_control) \ 93 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 94 .rshift = xshift, .min = xmin, .max = xmax, \ 95 .platform_max = xmax, .invert = xinvert} } 96 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ 97 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 98 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 99 .put = snd_soc_put_volsw, \ 100 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 101 max, invert, 0) } 102 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ 103 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 104 .info = snd_soc_info_volsw, \ 105 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 106 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 107 xmax, xinvert) } 108 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ 109 xmax, xinvert) \ 110 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 111 .info = snd_soc_info_volsw_range, \ 112 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 113 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 114 xshift, xmin, xmax, xinvert) } 115 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ 116 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 117 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 118 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 119 .tlv.p = (tlv_array), \ 120 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 121 .put = snd_soc_put_volsw, \ 122 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 123 max, invert, 0) } 124 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ 125 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 126 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 127 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 128 .tlv.p = (tlv_array), \ 129 .info = snd_soc_info_volsw, \ 130 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 131 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 132 xmax, xinvert) } 133 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ 134 xmax, xinvert, tlv_array) \ 135 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 136 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 137 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 138 .tlv.p = (tlv_array), \ 139 .info = snd_soc_info_volsw_range, \ 140 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 141 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 142 xshift, xmin, xmax, xinvert) } 143 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ 144 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 145 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 146 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 147 .tlv.p = (tlv_array), \ 148 .info = snd_soc_info_volsw, \ 149 .get = snd_soc_get_volsw_sx, \ 150 .put = snd_soc_put_volsw_sx, \ 151 .private_value = (unsigned long)&(struct soc_mixer_control) \ 152 {.reg = xreg, .rreg = xrreg, \ 153 .shift = xshift, .rshift = xshift, \ 154 .max = xmax, .min = xmin} } 155 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 156 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 157 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 158 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 159 .tlv.p = (tlv_array), \ 160 .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \ 161 .put = snd_soc_put_volsw_s8, \ 162 .private_value = (unsigned long)&(struct soc_mixer_control) \ 163 {.reg = xreg, .min = xmin, .max = xmax, \ 164 .platform_max = xmax} } 165 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \ 166 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 167 .max = xmax, .texts = xtexts, \ 168 .mask = xmax ? roundup_pow_of_two(xmax) - 1 : 0} 169 #define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \ 170 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts) 171 #define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \ 172 { .max = xmax, .texts = xtexts } 173 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \ 174 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 175 .mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues} 176 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \ 177 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues) 178 #define SOC_ENUM(xname, xenum) \ 179 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 180 .info = snd_soc_info_enum_double, \ 181 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ 182 .private_value = (unsigned long)&xenum } 183 #define SOC_VALUE_ENUM(xname, xenum) \ 184 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 185 .info = snd_soc_info_enum_double, \ 186 .get = snd_soc_get_value_enum_double, \ 187 .put = snd_soc_put_value_enum_double, \ 188 .private_value = (unsigned long)&xenum } 189 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ 190 xhandler_get, xhandler_put) \ 191 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 192 .info = snd_soc_info_volsw, \ 193 .get = xhandler_get, .put = xhandler_put, \ 194 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 195 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ 196 xhandler_get, xhandler_put) \ 197 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 198 .info = snd_soc_info_volsw, \ 199 .get = xhandler_get, .put = xhandler_put, \ 200 .private_value = \ 201 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) } 202 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ 203 xhandler_get, xhandler_put, tlv_array) \ 204 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 205 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 206 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 207 .tlv.p = (tlv_array), \ 208 .info = snd_soc_info_volsw, \ 209 .get = xhandler_get, .put = xhandler_put, \ 210 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 211 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ 212 xhandler_get, xhandler_put, tlv_array) \ 213 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 214 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 215 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 216 .tlv.p = (tlv_array), \ 217 .info = snd_soc_info_volsw, \ 218 .get = xhandler_get, .put = xhandler_put, \ 219 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 220 xmax, xinvert, 0) } 221 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 222 xhandler_get, xhandler_put, tlv_array) \ 223 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 224 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 225 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 226 .tlv.p = (tlv_array), \ 227 .info = snd_soc_info_volsw, \ 228 .get = xhandler_get, .put = xhandler_put, \ 229 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 230 xmax, xinvert) } 231 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 232 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 233 .info = snd_soc_info_bool_ext, \ 234 .get = xhandler_get, .put = xhandler_put, \ 235 .private_value = xdata } 236 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 237 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 238 .info = snd_soc_info_enum_double, \ 239 .get = xhandler_get, .put = xhandler_put, \ 240 .private_value = (unsigned long)&xenum } 241 242 #define SND_SOC_BYTES(xname, xbase, xregs) \ 243 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 244 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 245 .put = snd_soc_bytes_put, .private_value = \ 246 ((unsigned long)&(struct soc_bytes) \ 247 {.base = xbase, .num_regs = xregs }) } 248 249 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 250 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 251 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 252 .put = snd_soc_bytes_put, .private_value = \ 253 ((unsigned long)&(struct soc_bytes) \ 254 {.base = xbase, .num_regs = xregs, \ 255 .mask = xmask }) } 256 257 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 258 xmin, xmax, xinvert) \ 259 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 260 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 261 .put = snd_soc_put_xr_sx, \ 262 .private_value = (unsigned long)&(struct soc_mreg_control) \ 263 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 264 .invert = xinvert, .min = xmin, .max = xmax} } 265 266 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 267 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 268 snd_soc_get_strobe, snd_soc_put_strobe) 269 270 /* 271 * Simplified versions of above macros, declaring a struct and calculating 272 * ARRAY_SIZE internally 273 */ 274 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 275 struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 276 ARRAY_SIZE(xtexts), xtexts) 277 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 278 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 279 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 280 struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 281 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 282 struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 283 ARRAY_SIZE(xtexts), xtexts, xvalues) 284 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 285 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 286 287 /* 288 * Component probe and remove ordering levels for components with runtime 289 * dependencies. 290 */ 291 #define SND_SOC_COMP_ORDER_FIRST -2 292 #define SND_SOC_COMP_ORDER_EARLY -1 293 #define SND_SOC_COMP_ORDER_NORMAL 0 294 #define SND_SOC_COMP_ORDER_LATE 1 295 #define SND_SOC_COMP_ORDER_LAST 2 296 297 /* 298 * Bias levels 299 * 300 * @ON: Bias is fully on for audio playback and capture operations. 301 * @PREPARE: Prepare for audio operations. Called before DAPM switching for 302 * stream start and stop operations. 303 * @STANDBY: Low power standby state when no playback/capture operations are 304 * in progress. NOTE: The transition time between STANDBY and ON 305 * should be as fast as possible and no longer than 10ms. 306 * @OFF: Power Off. No restrictions on transition times. 307 */ 308 enum snd_soc_bias_level { 309 SND_SOC_BIAS_OFF = 0, 310 SND_SOC_BIAS_STANDBY = 1, 311 SND_SOC_BIAS_PREPARE = 2, 312 SND_SOC_BIAS_ON = 3, 313 }; 314 315 struct device_node; 316 struct snd_jack; 317 struct snd_soc_card; 318 struct snd_soc_pcm_stream; 319 struct snd_soc_ops; 320 struct snd_soc_pcm_runtime; 321 struct snd_soc_dai; 322 struct snd_soc_dai_driver; 323 struct snd_soc_platform; 324 struct snd_soc_dai_link; 325 struct snd_soc_platform_driver; 326 struct snd_soc_codec; 327 struct snd_soc_codec_driver; 328 struct snd_soc_component; 329 struct snd_soc_component_driver; 330 struct soc_enum; 331 struct snd_soc_jack; 332 struct snd_soc_jack_zone; 333 struct snd_soc_jack_pin; 334 #include <sound/soc-dapm.h> 335 #include <sound/soc-dpcm.h> 336 337 struct snd_soc_jack_gpio; 338 339 typedef int (*hw_write_t)(void *,const char* ,int); 340 341 extern struct snd_ac97_bus_ops *soc_ac97_ops; 342 343 enum snd_soc_control_type { 344 SND_SOC_I2C = 1, 345 SND_SOC_SPI, 346 SND_SOC_REGMAP, 347 }; 348 349 enum snd_soc_pcm_subclass { 350 SND_SOC_PCM_CLASS_PCM = 0, 351 SND_SOC_PCM_CLASS_BE = 1, 352 }; 353 354 enum snd_soc_card_subclass { 355 SND_SOC_CARD_CLASS_INIT = 0, 356 SND_SOC_CARD_CLASS_RUNTIME = 1, 357 }; 358 359 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, 360 int source, unsigned int freq, int dir); 361 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, 362 unsigned int freq_in, unsigned int freq_out); 363 364 int snd_soc_register_card(struct snd_soc_card *card); 365 int snd_soc_unregister_card(struct snd_soc_card *card); 366 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 367 int snd_soc_suspend(struct device *dev); 368 int snd_soc_resume(struct device *dev); 369 int snd_soc_poweroff(struct device *dev); 370 int snd_soc_register_platform(struct device *dev, 371 const struct snd_soc_platform_driver *platform_drv); 372 void snd_soc_unregister_platform(struct device *dev); 373 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, 374 const struct snd_soc_platform_driver *platform_drv); 375 void snd_soc_remove_platform(struct snd_soc_platform *platform); 376 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev); 377 int snd_soc_register_codec(struct device *dev, 378 const struct snd_soc_codec_driver *codec_drv, 379 struct snd_soc_dai_driver *dai_drv, int num_dai); 380 void snd_soc_unregister_codec(struct device *dev); 381 int snd_soc_register_component(struct device *dev, 382 const struct snd_soc_component_driver *cmpnt_drv, 383 struct snd_soc_dai_driver *dai_drv, int num_dai); 384 int devm_snd_soc_register_component(struct device *dev, 385 const struct snd_soc_component_driver *cmpnt_drv, 386 struct snd_soc_dai_driver *dai_drv, int num_dai); 387 void snd_soc_unregister_component(struct device *dev); 388 int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, 389 unsigned int reg); 390 int snd_soc_codec_readable_register(struct snd_soc_codec *codec, 391 unsigned int reg); 392 int snd_soc_codec_writable_register(struct snd_soc_codec *codec, 393 unsigned int reg); 394 int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, 395 int addr_bits, int data_bits, 396 enum snd_soc_control_type control); 397 int snd_soc_cache_sync(struct snd_soc_codec *codec); 398 int snd_soc_cache_init(struct snd_soc_codec *codec); 399 int snd_soc_cache_exit(struct snd_soc_codec *codec); 400 int snd_soc_cache_write(struct snd_soc_codec *codec, 401 unsigned int reg, unsigned int value); 402 int snd_soc_cache_read(struct snd_soc_codec *codec, 403 unsigned int reg, unsigned int *value); 404 int snd_soc_platform_read(struct snd_soc_platform *platform, 405 unsigned int reg); 406 int snd_soc_platform_write(struct snd_soc_platform *platform, 407 unsigned int reg, unsigned int val); 408 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 409 int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 410 411 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, 412 const char *dai_link, int stream); 413 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 414 const char *dai_link); 415 416 /* Utility functions to get clock rates from various things */ 417 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 418 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 419 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 420 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 421 422 /* set runtime hw params */ 423 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 424 const struct snd_pcm_hardware *hw); 425 426 int snd_soc_platform_trigger(struct snd_pcm_substream *substream, 427 int cmd, struct snd_soc_platform *platform); 428 429 /* Jack reporting */ 430 int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type, 431 struct snd_soc_jack *jack); 432 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); 433 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, 434 struct snd_soc_jack_pin *pins); 435 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, 436 struct notifier_block *nb); 437 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, 438 struct notifier_block *nb); 439 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, 440 struct snd_soc_jack_zone *zones); 441 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); 442 #ifdef CONFIG_GPIOLIB 443 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 444 struct snd_soc_jack_gpio *gpios); 445 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 446 struct snd_soc_jack_gpio *gpios); 447 #else 448 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 449 struct snd_soc_jack_gpio *gpios) 450 { 451 return 0; 452 } 453 454 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 455 struct snd_soc_jack_gpio *gpios) 456 { 457 } 458 #endif 459 460 /* codec register bit access */ 461 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, 462 unsigned int mask, unsigned int value); 463 int snd_soc_update_bits_locked(struct snd_soc_codec *codec, 464 unsigned short reg, unsigned int mask, 465 unsigned int value); 466 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, 467 unsigned int mask, unsigned int value); 468 469 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, 470 struct snd_ac97_bus_ops *ops, int num); 471 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); 472 473 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 474 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 475 struct platform_device *pdev); 476 477 /* 478 *Controls 479 */ 480 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 481 void *data, const char *long_name, 482 const char *prefix); 483 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, 484 const char *name); 485 int snd_soc_add_codec_controls(struct snd_soc_codec *codec, 486 const struct snd_kcontrol_new *controls, int num_controls); 487 int snd_soc_add_platform_controls(struct snd_soc_platform *platform, 488 const struct snd_kcontrol_new *controls, int num_controls); 489 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 490 const struct snd_kcontrol_new *controls, int num_controls); 491 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 492 const struct snd_kcontrol_new *controls, int num_controls); 493 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 494 struct snd_ctl_elem_info *uinfo); 495 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 496 struct snd_ctl_elem_value *ucontrol); 497 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 498 struct snd_ctl_elem_value *ucontrol); 499 int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, 500 struct snd_ctl_elem_value *ucontrol); 501 int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, 502 struct snd_ctl_elem_value *ucontrol); 503 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 504 struct snd_ctl_elem_info *uinfo); 505 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 506 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 507 struct snd_ctl_elem_value *ucontrol); 508 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 509 struct snd_ctl_elem_value *ucontrol); 510 #define snd_soc_get_volsw_2r snd_soc_get_volsw 511 #define snd_soc_put_volsw_2r snd_soc_put_volsw 512 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 513 struct snd_ctl_elem_value *ucontrol); 514 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 515 struct snd_ctl_elem_value *ucontrol); 516 int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, 517 struct snd_ctl_elem_info *uinfo); 518 int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, 519 struct snd_ctl_elem_value *ucontrol); 520 int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, 521 struct snd_ctl_elem_value *ucontrol); 522 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 523 struct snd_ctl_elem_info *uinfo); 524 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 525 struct snd_ctl_elem_value *ucontrol); 526 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 527 struct snd_ctl_elem_value *ucontrol); 528 int snd_soc_limit_volume(struct snd_soc_codec *codec, 529 const char *name, int max); 530 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 531 struct snd_ctl_elem_info *uinfo); 532 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 533 struct snd_ctl_elem_value *ucontrol); 534 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 535 struct snd_ctl_elem_value *ucontrol); 536 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 537 struct snd_ctl_elem_info *uinfo); 538 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 539 struct snd_ctl_elem_value *ucontrol); 540 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 541 struct snd_ctl_elem_value *ucontrol); 542 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 543 struct snd_ctl_elem_value *ucontrol); 544 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 545 struct snd_ctl_elem_value *ucontrol); 546 547 /** 548 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection 549 * 550 * @pin: name of the pin to update 551 * @mask: bits to check for in reported jack status 552 * @invert: if non-zero then pin is enabled when status is not reported 553 */ 554 struct snd_soc_jack_pin { 555 struct list_head list; 556 const char *pin; 557 int mask; 558 bool invert; 559 }; 560 561 /** 562 * struct snd_soc_jack_zone - Describes voltage zones of jack detection 563 * 564 * @min_mv: start voltage in mv 565 * @max_mv: end voltage in mv 566 * @jack_type: type of jack that is expected for this voltage 567 * @debounce_time: debounce_time for jack, codec driver should wait for this 568 * duration before reading the adc for voltages 569 * @:list: list container 570 */ 571 struct snd_soc_jack_zone { 572 unsigned int min_mv; 573 unsigned int max_mv; 574 unsigned int jack_type; 575 unsigned int debounce_time; 576 struct list_head list; 577 }; 578 579 /** 580 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection 581 * 582 * @gpio: gpio number 583 * @name: gpio name 584 * @report: value to report when jack detected 585 * @invert: report presence in low state 586 * @debouce_time: debouce time in ms 587 * @wake: enable as wake source 588 * @jack_status_check: callback function which overrides the detection 589 * to provide more complex checks (eg, reading an 590 * ADC). 591 */ 592 struct snd_soc_jack_gpio { 593 unsigned int gpio; 594 const char *name; 595 int report; 596 int invert; 597 int debounce_time; 598 bool wake; 599 600 struct snd_soc_jack *jack; 601 struct delayed_work work; 602 603 int (*jack_status_check)(void); 604 }; 605 606 struct snd_soc_jack { 607 struct mutex mutex; 608 struct snd_jack *jack; 609 struct snd_soc_codec *codec; 610 struct list_head pins; 611 int status; 612 struct blocking_notifier_head notifier; 613 struct list_head jack_zones; 614 }; 615 616 /* SoC PCM stream information */ 617 struct snd_soc_pcm_stream { 618 const char *stream_name; 619 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 620 unsigned int rates; /* SNDRV_PCM_RATE_* */ 621 unsigned int rate_min; /* min rate */ 622 unsigned int rate_max; /* max rate */ 623 unsigned int channels_min; /* min channels */ 624 unsigned int channels_max; /* max channels */ 625 unsigned int sig_bits; /* number of bits of content */ 626 }; 627 628 /* SoC audio ops */ 629 struct snd_soc_ops { 630 int (*startup)(struct snd_pcm_substream *); 631 void (*shutdown)(struct snd_pcm_substream *); 632 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 633 int (*hw_free)(struct snd_pcm_substream *); 634 int (*prepare)(struct snd_pcm_substream *); 635 int (*trigger)(struct snd_pcm_substream *, int); 636 }; 637 638 struct snd_soc_compr_ops { 639 int (*startup)(struct snd_compr_stream *); 640 void (*shutdown)(struct snd_compr_stream *); 641 int (*set_params)(struct snd_compr_stream *); 642 int (*trigger)(struct snd_compr_stream *); 643 }; 644 645 /* component interface */ 646 struct snd_soc_component_driver { 647 const char *name; 648 649 /* DT */ 650 int (*of_xlate_dai_name)(struct snd_soc_component *component, 651 struct of_phandle_args *args, 652 const char **dai_name); 653 }; 654 655 struct snd_soc_component { 656 const char *name; 657 int id; 658 struct device *dev; 659 struct list_head list; 660 661 struct snd_soc_dai_driver *dai_drv; 662 int num_dai; 663 664 const struct snd_soc_component_driver *driver; 665 }; 666 667 /* SoC Audio Codec device */ 668 struct snd_soc_codec { 669 const char *name; 670 const char *name_prefix; 671 int id; 672 struct device *dev; 673 const struct snd_soc_codec_driver *driver; 674 675 struct mutex mutex; 676 struct snd_soc_card *card; 677 struct list_head list; 678 struct list_head card_list; 679 int num_dai; 680 int (*volatile_register)(struct snd_soc_codec *, unsigned int); 681 int (*readable_register)(struct snd_soc_codec *, unsigned int); 682 int (*writable_register)(struct snd_soc_codec *, unsigned int); 683 684 /* runtime */ 685 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ 686 unsigned int active; 687 unsigned int cache_bypass:1; /* Suppress access to the cache */ 688 unsigned int suspended:1; /* Codec is in suspend PM state */ 689 unsigned int probed:1; /* Codec has been probed */ 690 unsigned int ac97_registered:1; /* Codec has been AC97 registered */ 691 unsigned int ac97_created:1; /* Codec has been created by SoC */ 692 unsigned int cache_init:1; /* codec cache has been initialized */ 693 unsigned int using_regmap:1; /* using regmap access */ 694 u32 cache_only; /* Suppress writes to hardware */ 695 u32 cache_sync; /* Cache needs to be synced to hardware */ 696 697 /* codec IO */ 698 void *control_data; /* codec control (i2c/3wire) data */ 699 hw_write_t hw_write; 700 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int); 701 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 702 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 703 void *reg_cache; 704 struct mutex cache_rw_mutex; 705 int val_bytes; 706 707 /* component */ 708 struct snd_soc_component component; 709 710 /* dapm */ 711 struct snd_soc_dapm_context dapm; 712 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ 713 714 #ifdef CONFIG_DEBUG_FS 715 struct dentry *debugfs_codec_root; 716 struct dentry *debugfs_reg; 717 #endif 718 }; 719 720 /* codec driver */ 721 struct snd_soc_codec_driver { 722 723 /* driver ops */ 724 int (*probe)(struct snd_soc_codec *); 725 int (*remove)(struct snd_soc_codec *); 726 int (*suspend)(struct snd_soc_codec *); 727 int (*resume)(struct snd_soc_codec *); 728 struct snd_soc_component_driver component_driver; 729 730 /* Default control and setup, added after probe() is run */ 731 const struct snd_kcontrol_new *controls; 732 int num_controls; 733 const struct snd_soc_dapm_widget *dapm_widgets; 734 int num_dapm_widgets; 735 const struct snd_soc_dapm_route *dapm_routes; 736 int num_dapm_routes; 737 738 /* codec wide operations */ 739 int (*set_sysclk)(struct snd_soc_codec *codec, 740 int clk_id, int source, unsigned int freq, int dir); 741 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, 742 unsigned int freq_in, unsigned int freq_out); 743 744 /* codec IO */ 745 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 746 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 747 int (*display_register)(struct snd_soc_codec *, char *, 748 size_t, unsigned int); 749 int (*volatile_register)(struct snd_soc_codec *, unsigned int); 750 int (*readable_register)(struct snd_soc_codec *, unsigned int); 751 int (*writable_register)(struct snd_soc_codec *, unsigned int); 752 unsigned int reg_cache_size; 753 short reg_cache_step; 754 short reg_word_size; 755 const void *reg_cache_default; 756 757 /* codec bias level */ 758 int (*set_bias_level)(struct snd_soc_codec *, 759 enum snd_soc_bias_level level); 760 bool idle_bias_off; 761 762 void (*seq_notifier)(struct snd_soc_dapm_context *, 763 enum snd_soc_dapm_type, int); 764 765 /* codec stream completion event */ 766 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 767 768 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ 769 770 /* probe ordering - for components with runtime dependencies */ 771 int probe_order; 772 int remove_order; 773 }; 774 775 /* SoC platform interface */ 776 struct snd_soc_platform_driver { 777 778 int (*probe)(struct snd_soc_platform *); 779 int (*remove)(struct snd_soc_platform *); 780 int (*suspend)(struct snd_soc_dai *dai); 781 int (*resume)(struct snd_soc_dai *dai); 782 783 /* pcm creation and destruction */ 784 int (*pcm_new)(struct snd_soc_pcm_runtime *); 785 void (*pcm_free)(struct snd_pcm *); 786 787 /* Default control and setup, added after probe() is run */ 788 const struct snd_kcontrol_new *controls; 789 int num_controls; 790 const struct snd_soc_dapm_widget *dapm_widgets; 791 int num_dapm_widgets; 792 const struct snd_soc_dapm_route *dapm_routes; 793 int num_dapm_routes; 794 795 /* 796 * For platform caused delay reporting. 797 * Optional. 798 */ 799 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, 800 struct snd_soc_dai *); 801 802 /* platform stream pcm ops */ 803 const struct snd_pcm_ops *ops; 804 805 /* platform stream compress ops */ 806 const struct snd_compr_ops *compr_ops; 807 808 /* platform stream completion event */ 809 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 810 811 /* probe ordering - for components with runtime dependencies */ 812 int probe_order; 813 int remove_order; 814 815 /* platform IO - used for platform DAPM */ 816 unsigned int (*read)(struct snd_soc_platform *, unsigned int); 817 int (*write)(struct snd_soc_platform *, unsigned int, unsigned int); 818 int (*bespoke_trigger)(struct snd_pcm_substream *, int); 819 }; 820 821 struct snd_soc_platform { 822 const char *name; 823 int id; 824 struct device *dev; 825 const struct snd_soc_platform_driver *driver; 826 struct mutex mutex; 827 828 unsigned int suspended:1; /* platform is suspended */ 829 unsigned int probed:1; 830 831 struct snd_soc_card *card; 832 struct list_head list; 833 struct list_head card_list; 834 835 struct snd_soc_dapm_context dapm; 836 837 #ifdef CONFIG_DEBUG_FS 838 struct dentry *debugfs_platform_root; 839 #endif 840 }; 841 842 struct snd_soc_dai_link { 843 /* config - must be set by machine driver */ 844 const char *name; /* Codec name */ 845 const char *stream_name; /* Stream name */ 846 /* 847 * You MAY specify the link's CPU-side device, either by device name, 848 * or by DT/OF node, but not both. If this information is omitted, 849 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 850 * must be globally unique. These fields are currently typically used 851 * only for codec to codec links, or systems using device tree. 852 */ 853 const char *cpu_name; 854 const struct device_node *cpu_of_node; 855 /* 856 * You MAY specify the DAI name of the CPU DAI. If this information is 857 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 858 * only, which only works well when that device exposes a single DAI. 859 */ 860 const char *cpu_dai_name; 861 /* 862 * You MUST specify the link's codec, either by device name, or by 863 * DT/OF node, but not both. 864 */ 865 const char *codec_name; 866 const struct device_node *codec_of_node; 867 /* You MUST specify the DAI name within the codec */ 868 const char *codec_dai_name; 869 /* 870 * You MAY specify the link's platform/PCM/DMA driver, either by 871 * device name, or by DT/OF node, but not both. Some forms of link 872 * do not need a platform. 873 */ 874 const char *platform_name; 875 const struct device_node *platform_of_node; 876 int be_id; /* optional ID for machine driver BE identification */ 877 878 const struct snd_soc_pcm_stream *params; 879 880 unsigned int dai_fmt; /* format to set on init */ 881 882 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 883 884 /* Keep DAI active over suspend */ 885 unsigned int ignore_suspend:1; 886 887 /* Symmetry requirements */ 888 unsigned int symmetric_rates:1; 889 unsigned int symmetric_channels:1; 890 unsigned int symmetric_samplebits:1; 891 892 /* Do not create a PCM for this DAI link (Backend link) */ 893 unsigned int no_pcm:1; 894 895 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 896 unsigned int dynamic:1; 897 898 /* DPCM capture and Playback support */ 899 unsigned int dpcm_capture:1; 900 unsigned int dpcm_playback:1; 901 902 /* pmdown_time is ignored at stop */ 903 unsigned int ignore_pmdown_time:1; 904 905 /* codec/machine specific init - e.g. add machine controls */ 906 int (*init)(struct snd_soc_pcm_runtime *rtd); 907 908 /* optional hw_params re-writing for BE and FE sync */ 909 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 910 struct snd_pcm_hw_params *params); 911 912 /* machine stream operations */ 913 const struct snd_soc_ops *ops; 914 const struct snd_soc_compr_ops *compr_ops; 915 916 /* For unidirectional dai links */ 917 bool playback_only; 918 bool capture_only; 919 }; 920 921 struct snd_soc_codec_conf { 922 const char *dev_name; 923 924 /* 925 * optional map of kcontrol, widget and path name prefixes that are 926 * associated per device 927 */ 928 const char *name_prefix; 929 }; 930 931 struct snd_soc_aux_dev { 932 const char *name; /* Codec name */ 933 const char *codec_name; /* for multi-codec */ 934 935 /* codec/machine specific init - e.g. add machine controls */ 936 int (*init)(struct snd_soc_dapm_context *dapm); 937 }; 938 939 /* SoC card */ 940 struct snd_soc_card { 941 const char *name; 942 const char *long_name; 943 const char *driver_name; 944 struct device *dev; 945 struct snd_card *snd_card; 946 struct module *owner; 947 948 struct list_head list; 949 struct mutex mutex; 950 struct mutex dapm_mutex; 951 952 bool instantiated; 953 954 int (*probe)(struct snd_soc_card *card); 955 int (*late_probe)(struct snd_soc_card *card); 956 int (*remove)(struct snd_soc_card *card); 957 958 /* the pre and post PM functions are used to do any PM work before and 959 * after the codec and DAI's do any PM work. */ 960 int (*suspend_pre)(struct snd_soc_card *card); 961 int (*suspend_post)(struct snd_soc_card *card); 962 int (*resume_pre)(struct snd_soc_card *card); 963 int (*resume_post)(struct snd_soc_card *card); 964 965 /* callbacks */ 966 int (*set_bias_level)(struct snd_soc_card *, 967 struct snd_soc_dapm_context *dapm, 968 enum snd_soc_bias_level level); 969 int (*set_bias_level_post)(struct snd_soc_card *, 970 struct snd_soc_dapm_context *dapm, 971 enum snd_soc_bias_level level); 972 973 long pmdown_time; 974 975 /* CPU <--> Codec DAI links */ 976 struct snd_soc_dai_link *dai_link; 977 int num_links; 978 struct snd_soc_pcm_runtime *rtd; 979 int num_rtd; 980 981 /* optional codec specific configuration */ 982 struct snd_soc_codec_conf *codec_conf; 983 int num_configs; 984 985 /* 986 * optional auxiliary devices such as amplifiers or codecs with DAI 987 * link unused 988 */ 989 struct snd_soc_aux_dev *aux_dev; 990 int num_aux_devs; 991 struct snd_soc_pcm_runtime *rtd_aux; 992 int num_aux_rtd; 993 994 const struct snd_kcontrol_new *controls; 995 int num_controls; 996 997 /* 998 * Card-specific routes and widgets. 999 */ 1000 const struct snd_soc_dapm_widget *dapm_widgets; 1001 int num_dapm_widgets; 1002 const struct snd_soc_dapm_route *dapm_routes; 1003 int num_dapm_routes; 1004 bool fully_routed; 1005 1006 struct work_struct deferred_resume_work; 1007 1008 /* lists of probed devices belonging to this card */ 1009 struct list_head codec_dev_list; 1010 struct list_head platform_dev_list; 1011 struct list_head dai_dev_list; 1012 1013 struct list_head widgets; 1014 struct list_head paths; 1015 struct list_head dapm_list; 1016 struct list_head dapm_dirty; 1017 1018 /* Generic DAPM context for the card */ 1019 struct snd_soc_dapm_context dapm; 1020 struct snd_soc_dapm_stats dapm_stats; 1021 struct snd_soc_dapm_update *update; 1022 1023 #ifdef CONFIG_DEBUG_FS 1024 struct dentry *debugfs_card_root; 1025 struct dentry *debugfs_pop_time; 1026 #endif 1027 u32 pop_time; 1028 1029 void *drvdata; 1030 }; 1031 1032 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1033 struct snd_soc_pcm_runtime { 1034 struct device *dev; 1035 struct snd_soc_card *card; 1036 struct snd_soc_dai_link *dai_link; 1037 struct mutex pcm_mutex; 1038 enum snd_soc_pcm_subclass pcm_subclass; 1039 struct snd_pcm_ops ops; 1040 1041 unsigned int dev_registered:1; 1042 1043 /* Dynamic PCM BE runtime data */ 1044 struct snd_soc_dpcm_runtime dpcm[2]; 1045 int fe_compr; 1046 1047 long pmdown_time; 1048 unsigned char pop_wait:1; 1049 1050 /* runtime devices */ 1051 struct snd_pcm *pcm; 1052 struct snd_compr *compr; 1053 struct snd_soc_codec *codec; 1054 struct snd_soc_platform *platform; 1055 struct snd_soc_dai *codec_dai; 1056 struct snd_soc_dai *cpu_dai; 1057 1058 struct delayed_work delayed_work; 1059 #ifdef CONFIG_DEBUG_FS 1060 struct dentry *debugfs_dpcm_root; 1061 struct dentry *debugfs_dpcm_state; 1062 #endif 1063 }; 1064 1065 /* mixer control */ 1066 struct soc_mixer_control { 1067 int min, max, platform_max; 1068 int reg, rreg; 1069 unsigned int shift, rshift; 1070 unsigned int invert:1; 1071 unsigned int autodisable:1; 1072 }; 1073 1074 struct soc_bytes { 1075 int base; 1076 int num_regs; 1077 u32 mask; 1078 }; 1079 1080 /* multi register control */ 1081 struct soc_mreg_control { 1082 long min, max; 1083 unsigned int regbase, regcount, nbits, invert; 1084 }; 1085 1086 /* enumerated kcontrol */ 1087 struct soc_enum { 1088 unsigned short reg; 1089 unsigned short reg2; 1090 unsigned char shift_l; 1091 unsigned char shift_r; 1092 unsigned int max; 1093 unsigned int mask; 1094 const char * const *texts; 1095 const unsigned int *values; 1096 }; 1097 1098 /* codec IO */ 1099 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); 1100 unsigned int snd_soc_write(struct snd_soc_codec *codec, 1101 unsigned int reg, unsigned int val); 1102 1103 /* device driver data */ 1104 1105 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1106 void *data) 1107 { 1108 card->drvdata = data; 1109 } 1110 1111 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1112 { 1113 return card->drvdata; 1114 } 1115 1116 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, 1117 void *data) 1118 { 1119 dev_set_drvdata(codec->dev, data); 1120 } 1121 1122 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) 1123 { 1124 return dev_get_drvdata(codec->dev); 1125 } 1126 1127 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, 1128 void *data) 1129 { 1130 dev_set_drvdata(platform->dev, data); 1131 } 1132 1133 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) 1134 { 1135 return dev_get_drvdata(platform->dev); 1136 } 1137 1138 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd, 1139 void *data) 1140 { 1141 dev_set_drvdata(rtd->dev, data); 1142 } 1143 1144 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) 1145 { 1146 return dev_get_drvdata(rtd->dev); 1147 } 1148 1149 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1150 { 1151 INIT_LIST_HEAD(&card->dai_dev_list); 1152 INIT_LIST_HEAD(&card->codec_dev_list); 1153 INIT_LIST_HEAD(&card->platform_dev_list); 1154 INIT_LIST_HEAD(&card->widgets); 1155 INIT_LIST_HEAD(&card->paths); 1156 INIT_LIST_HEAD(&card->dapm_list); 1157 } 1158 1159 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1160 { 1161 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1162 return 0; 1163 /* 1164 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1165 * mc->reg != mc->rreg means that the control is 1166 * stereo (bits in one register or in two registers) 1167 */ 1168 return 1; 1169 } 1170 1171 int snd_soc_util_init(void); 1172 void snd_soc_util_exit(void); 1173 1174 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1175 const char *propname); 1176 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1177 const char *propname); 1178 unsigned int snd_soc_of_parse_daifmt(struct device_node *np, 1179 const char *prefix); 1180 int snd_soc_of_get_dai_name(struct device_node *of_node, 1181 const char **dai_name); 1182 1183 #include <sound/soc-dai.h> 1184 1185 #ifdef CONFIG_DEBUG_FS 1186 extern struct dentry *snd_soc_debugfs_root; 1187 #endif 1188 1189 extern const struct dev_pm_ops snd_soc_pm_ops; 1190 1191 #endif 1192