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/platform_device.h> 17 #include <linux/types.h> 18 #include <linux/notifier.h> 19 #include <linux/workqueue.h> 20 #include <linux/interrupt.h> 21 #include <linux/kernel.h> 22 #include <linux/regmap.h> 23 #include <linux/log2.h> 24 #include <sound/core.h> 25 #include <sound/pcm.h> 26 #include <sound/compress_driver.h> 27 #include <sound/control.h> 28 #include <sound/ac97_codec.h> 29 30 /* 31 * Convenience kcontrol builders 32 */ 33 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert) \ 34 ((unsigned long)&(struct soc_mixer_control) \ 35 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 36 .rshift = shift_right, .max = xmax, .platform_max = xmax, \ 37 .invert = xinvert}) 38 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \ 39 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert) 40 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ 41 ((unsigned long)&(struct soc_mixer_control) \ 42 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert}) 43 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ 44 ((unsigned long)&(struct soc_mixer_control) \ 45 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 46 .max = xmax, .platform_max = xmax, .invert = xinvert}) 47 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ 48 ((unsigned long)&(struct soc_mixer_control) \ 49 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 50 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert}) 51 #define SOC_SINGLE(xname, reg, shift, max, invert) \ 52 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 53 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 54 .put = snd_soc_put_volsw, \ 55 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 56 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ 57 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 58 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ 59 .put = snd_soc_put_volsw_range, \ 60 .private_value = (unsigned long)&(struct soc_mixer_control) \ 61 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 62 .rshift = xshift, .min = xmin, .max = xmax, \ 63 .platform_max = xmax, .invert = xinvert} } 64 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 65 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 66 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 67 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 68 .tlv.p = (tlv_array), \ 69 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 70 .put = snd_soc_put_volsw, \ 71 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 72 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ 73 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 74 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 75 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 76 .tlv.p = (tlv_array),\ 77 .info = snd_soc_info_volsw, \ 78 .get = snd_soc_get_volsw_sx,\ 79 .put = snd_soc_put_volsw_sx, \ 80 .private_value = (unsigned long)&(struct soc_mixer_control) \ 81 {.reg = xreg, .rreg = xreg, \ 82 .shift = xshift, .rshift = xshift, \ 83 .max = xmax, .min = xmin} } 84 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ 85 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 86 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 87 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 88 .tlv.p = (tlv_array), \ 89 .info = snd_soc_info_volsw_range, \ 90 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 91 .private_value = (unsigned long)&(struct soc_mixer_control) \ 92 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 93 .rshift = xshift, .min = xmin, .max = xmax, \ 94 .platform_max = xmax, .invert = xinvert} } 95 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ 96 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 97 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 98 .put = snd_soc_put_volsw, \ 99 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 100 max, invert) } 101 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ 102 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 103 .info = snd_soc_info_volsw, \ 104 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 105 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 106 xmax, xinvert) } 107 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ 108 xmax, xinvert) \ 109 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 110 .info = snd_soc_info_volsw_range, \ 111 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 112 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 113 xshift, xmin, xmax, xinvert) } 114 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ 115 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 116 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 117 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 118 .tlv.p = (tlv_array), \ 119 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 120 .put = snd_soc_put_volsw, \ 121 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 122 max, invert) } 123 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ 124 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 125 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 126 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 127 .tlv.p = (tlv_array), \ 128 .info = snd_soc_info_volsw, \ 129 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 130 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 131 xmax, xinvert) } 132 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ 133 xmax, xinvert, 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_range, \ 139 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 140 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 141 xshift, xmin, xmax, xinvert) } 142 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, 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_sx, \ 149 .put = snd_soc_put_volsw_sx, \ 150 .private_value = (unsigned long)&(struct soc_mixer_control) \ 151 {.reg = xreg, .rreg = xrreg, \ 152 .shift = xshift, .rshift = xshift, \ 153 .max = xmax, .min = xmin} } 154 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 155 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 156 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 157 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 158 .tlv.p = (tlv_array), \ 159 .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \ 160 .put = snd_soc_put_volsw_s8, \ 161 .private_value = (unsigned long)&(struct soc_mixer_control) \ 162 {.reg = xreg, .min = xmin, .max = xmax, \ 163 .platform_max = xmax} } 164 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \ 165 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 166 .max = xmax, .texts = xtexts, \ 167 .mask = xmax ? roundup_pow_of_two(xmax) - 1 : 0} 168 #define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \ 169 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts) 170 #define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \ 171 { .max = xmax, .texts = xtexts } 172 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \ 173 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 174 .mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues} 175 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \ 176 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues) 177 #define SOC_ENUM(xname, xenum) \ 178 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 179 .info = snd_soc_info_enum_double, \ 180 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ 181 .private_value = (unsigned long)&xenum } 182 #define SOC_VALUE_ENUM(xname, xenum) \ 183 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 184 .info = snd_soc_info_enum_double, \ 185 .get = snd_soc_get_value_enum_double, \ 186 .put = snd_soc_put_value_enum_double, \ 187 .private_value = (unsigned long)&xenum } 188 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ 189 xhandler_get, xhandler_put) \ 190 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 191 .info = snd_soc_info_volsw, \ 192 .get = xhandler_get, .put = xhandler_put, \ 193 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) } 194 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ 195 xhandler_get, xhandler_put) \ 196 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 197 .info = snd_soc_info_volsw, \ 198 .get = xhandler_get, .put = xhandler_put, \ 199 .private_value = \ 200 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert) } 201 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ 202 xhandler_get, xhandler_put, tlv_array) \ 203 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 204 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 205 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 206 .tlv.p = (tlv_array), \ 207 .info = snd_soc_info_volsw, \ 208 .get = xhandler_get, .put = xhandler_put, \ 209 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) } 210 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ 211 xhandler_get, xhandler_put, tlv_array) \ 212 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 213 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 214 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 215 .tlv.p = (tlv_array), \ 216 .info = snd_soc_info_volsw, \ 217 .get = xhandler_get, .put = xhandler_put, \ 218 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 219 xmax, xinvert) } 220 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 221 xhandler_get, xhandler_put, tlv_array) \ 222 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 223 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 224 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 225 .tlv.p = (tlv_array), \ 226 .info = snd_soc_info_volsw, \ 227 .get = xhandler_get, .put = xhandler_put, \ 228 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 229 xmax, xinvert) } 230 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 231 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 232 .info = snd_soc_info_bool_ext, \ 233 .get = xhandler_get, .put = xhandler_put, \ 234 .private_value = xdata } 235 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 236 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 237 .info = snd_soc_info_enum_ext, \ 238 .get = xhandler_get, .put = xhandler_put, \ 239 .private_value = (unsigned long)&xenum } 240 241 #define SND_SOC_BYTES(xname, xbase, xregs) \ 242 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 243 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 244 .put = snd_soc_bytes_put, .private_value = \ 245 ((unsigned long)&(struct soc_bytes) \ 246 {.base = xbase, .num_regs = xregs }) } 247 248 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 249 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 250 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 251 .put = snd_soc_bytes_put, .private_value = \ 252 ((unsigned long)&(struct soc_bytes) \ 253 {.base = xbase, .num_regs = xregs, \ 254 .mask = xmask }) } 255 256 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 257 xmin, xmax, xinvert) \ 258 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 259 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 260 .put = snd_soc_put_xr_sx, \ 261 .private_value = (unsigned long)&(struct soc_mreg_control) \ 262 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 263 .invert = xinvert, .min = xmin, .max = xmax} } 264 265 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 266 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 267 snd_soc_get_strobe, snd_soc_put_strobe) 268 269 /* 270 * Simplified versions of above macros, declaring a struct and calculating 271 * ARRAY_SIZE internally 272 */ 273 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 274 struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 275 ARRAY_SIZE(xtexts), xtexts) 276 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 277 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 278 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 279 struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 280 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 281 struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 282 ARRAY_SIZE(xtexts), xtexts, xvalues) 283 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 284 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 285 286 /* 287 * Component probe and remove ordering levels for components with runtime 288 * dependencies. 289 */ 290 #define SND_SOC_COMP_ORDER_FIRST -2 291 #define SND_SOC_COMP_ORDER_EARLY -1 292 #define SND_SOC_COMP_ORDER_NORMAL 0 293 #define SND_SOC_COMP_ORDER_LATE 1 294 #define SND_SOC_COMP_ORDER_LAST 2 295 296 /* 297 * Bias levels 298 * 299 * @ON: Bias is fully on for audio playback and capture operations. 300 * @PREPARE: Prepare for audio operations. Called before DAPM switching for 301 * stream start and stop operations. 302 * @STANDBY: Low power standby state when no playback/capture operations are 303 * in progress. NOTE: The transition time between STANDBY and ON 304 * should be as fast as possible and no longer than 10ms. 305 * @OFF: Power Off. No restrictions on transition times. 306 */ 307 enum snd_soc_bias_level { 308 SND_SOC_BIAS_OFF = 0, 309 SND_SOC_BIAS_STANDBY = 1, 310 SND_SOC_BIAS_PREPARE = 2, 311 SND_SOC_BIAS_ON = 3, 312 }; 313 314 struct device_node; 315 struct snd_jack; 316 struct snd_soc_card; 317 struct snd_soc_pcm_stream; 318 struct snd_soc_ops; 319 struct snd_soc_pcm_runtime; 320 struct snd_soc_dai; 321 struct snd_soc_dai_driver; 322 struct snd_soc_platform; 323 struct snd_soc_dai_link; 324 struct snd_soc_platform_driver; 325 struct snd_soc_codec; 326 struct snd_soc_codec_driver; 327 struct soc_enum; 328 struct snd_soc_jack; 329 struct snd_soc_jack_zone; 330 struct snd_soc_jack_pin; 331 struct snd_soc_cache_ops; 332 #include <sound/soc-dapm.h> 333 #include <sound/soc-dpcm.h> 334 335 #ifdef CONFIG_GPIOLIB 336 struct snd_soc_jack_gpio; 337 #endif 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_compress_type { 350 SND_SOC_FLAT_COMPRESSION = 1, 351 }; 352 353 enum snd_soc_pcm_subclass { 354 SND_SOC_PCM_CLASS_PCM = 0, 355 SND_SOC_PCM_CLASS_BE = 1, 356 }; 357 358 enum snd_soc_card_subclass { 359 SND_SOC_CARD_CLASS_INIT = 0, 360 SND_SOC_CARD_CLASS_RUNTIME = 1, 361 }; 362 363 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, 364 int source, unsigned int freq, int dir); 365 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, 366 unsigned int freq_in, unsigned int freq_out); 367 368 int snd_soc_register_card(struct snd_soc_card *card); 369 int snd_soc_unregister_card(struct snd_soc_card *card); 370 int snd_soc_suspend(struct device *dev); 371 int snd_soc_resume(struct device *dev); 372 int snd_soc_poweroff(struct device *dev); 373 int snd_soc_register_platform(struct device *dev, 374 struct snd_soc_platform_driver *platform_drv); 375 void snd_soc_unregister_platform(struct device *dev); 376 int snd_soc_register_codec(struct device *dev, 377 const struct snd_soc_codec_driver *codec_drv, 378 struct snd_soc_dai_driver *dai_drv, int num_dai); 379 void snd_soc_unregister_codec(struct device *dev); 380 int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, 381 unsigned int reg); 382 int snd_soc_codec_readable_register(struct snd_soc_codec *codec, 383 unsigned int reg); 384 int snd_soc_codec_writable_register(struct snd_soc_codec *codec, 385 unsigned int reg); 386 int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, 387 int addr_bits, int data_bits, 388 enum snd_soc_control_type control); 389 int snd_soc_cache_sync(struct snd_soc_codec *codec); 390 int snd_soc_cache_init(struct snd_soc_codec *codec); 391 int snd_soc_cache_exit(struct snd_soc_codec *codec); 392 int snd_soc_cache_write(struct snd_soc_codec *codec, 393 unsigned int reg, unsigned int value); 394 int snd_soc_cache_read(struct snd_soc_codec *codec, 395 unsigned int reg, unsigned int *value); 396 int snd_soc_default_volatile_register(struct snd_soc_codec *codec, 397 unsigned int reg); 398 int snd_soc_default_readable_register(struct snd_soc_codec *codec, 399 unsigned int reg); 400 int snd_soc_default_writable_register(struct snd_soc_codec *codec, 401 unsigned int reg); 402 int snd_soc_platform_read(struct snd_soc_platform *platform, 403 unsigned int reg); 404 int snd_soc_platform_write(struct snd_soc_platform *platform, 405 unsigned int reg, unsigned int val); 406 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 407 int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 408 409 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, 410 const char *dai_link, int stream); 411 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 412 const char *dai_link); 413 414 /* Utility functions to get clock rates from various things */ 415 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 416 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 417 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 418 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 419 420 /* set runtime hw params */ 421 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 422 const struct snd_pcm_hardware *hw); 423 424 int snd_soc_platform_trigger(struct snd_pcm_substream *substream, 425 int cmd, struct snd_soc_platform *platform); 426 427 /* Jack reporting */ 428 int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type, 429 struct snd_soc_jack *jack); 430 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); 431 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, 432 struct snd_soc_jack_pin *pins); 433 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, 434 struct notifier_block *nb); 435 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, 436 struct notifier_block *nb); 437 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, 438 struct snd_soc_jack_zone *zones); 439 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); 440 #ifdef CONFIG_GPIOLIB 441 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 442 struct snd_soc_jack_gpio *gpios); 443 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 444 struct snd_soc_jack_gpio *gpios); 445 #endif 446 447 /* codec register bit access */ 448 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, 449 unsigned int mask, unsigned int value); 450 int snd_soc_update_bits_locked(struct snd_soc_codec *codec, 451 unsigned short reg, unsigned int mask, 452 unsigned int value); 453 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, 454 unsigned int mask, unsigned int value); 455 456 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, 457 struct snd_ac97_bus_ops *ops, int num); 458 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); 459 460 /* 461 *Controls 462 */ 463 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 464 void *data, const char *long_name, 465 const char *prefix); 466 int snd_soc_add_codec_controls(struct snd_soc_codec *codec, 467 const struct snd_kcontrol_new *controls, int num_controls); 468 int snd_soc_add_platform_controls(struct snd_soc_platform *platform, 469 const struct snd_kcontrol_new *controls, int num_controls); 470 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 471 const struct snd_kcontrol_new *controls, int num_controls); 472 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 473 const struct snd_kcontrol_new *controls, int num_controls); 474 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 475 struct snd_ctl_elem_info *uinfo); 476 int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, 477 struct snd_ctl_elem_info *uinfo); 478 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 479 struct snd_ctl_elem_value *ucontrol); 480 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 481 struct snd_ctl_elem_value *ucontrol); 482 int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, 483 struct snd_ctl_elem_value *ucontrol); 484 int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, 485 struct snd_ctl_elem_value *ucontrol); 486 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 487 struct snd_ctl_elem_info *uinfo); 488 int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, 489 struct snd_ctl_elem_info *uinfo); 490 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 491 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 492 struct snd_ctl_elem_value *ucontrol); 493 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 494 struct snd_ctl_elem_value *ucontrol); 495 #define snd_soc_get_volsw_2r snd_soc_get_volsw 496 #define snd_soc_put_volsw_2r snd_soc_put_volsw 497 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 498 struct snd_ctl_elem_value *ucontrol); 499 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 500 struct snd_ctl_elem_value *ucontrol); 501 int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, 502 struct snd_ctl_elem_info *uinfo); 503 int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, 504 struct snd_ctl_elem_value *ucontrol); 505 int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, 506 struct snd_ctl_elem_value *ucontrol); 507 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 508 struct snd_ctl_elem_info *uinfo); 509 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 510 struct snd_ctl_elem_value *ucontrol); 511 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 512 struct snd_ctl_elem_value *ucontrol); 513 int snd_soc_limit_volume(struct snd_soc_codec *codec, 514 const char *name, int max); 515 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 516 struct snd_ctl_elem_info *uinfo); 517 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 518 struct snd_ctl_elem_value *ucontrol); 519 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 520 struct snd_ctl_elem_value *ucontrol); 521 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 522 struct snd_ctl_elem_info *uinfo); 523 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 524 struct snd_ctl_elem_value *ucontrol); 525 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 526 struct snd_ctl_elem_value *ucontrol); 527 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 528 struct snd_ctl_elem_value *ucontrol); 529 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 530 struct snd_ctl_elem_value *ucontrol); 531 532 /** 533 * struct snd_soc_reg_access - Describes whether a given register is 534 * readable, writable or volatile. 535 * 536 * @reg: the register number 537 * @read: whether this register is readable 538 * @write: whether this register is writable 539 * @vol: whether this register is volatile 540 */ 541 struct snd_soc_reg_access { 542 u16 reg; 543 u16 read; 544 u16 write; 545 u16 vol; 546 }; 547 548 /** 549 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection 550 * 551 * @pin: name of the pin to update 552 * @mask: bits to check for in reported jack status 553 * @invert: if non-zero then pin is enabled when status is not reported 554 */ 555 struct snd_soc_jack_pin { 556 struct list_head list; 557 const char *pin; 558 int mask; 559 bool invert; 560 }; 561 562 /** 563 * struct snd_soc_jack_zone - Describes voltage zones of jack detection 564 * 565 * @min_mv: start voltage in mv 566 * @max_mv: end voltage in mv 567 * @jack_type: type of jack that is expected for this voltage 568 * @debounce_time: debounce_time for jack, codec driver should wait for this 569 * duration before reading the adc for voltages 570 * @:list: list container 571 */ 572 struct snd_soc_jack_zone { 573 unsigned int min_mv; 574 unsigned int max_mv; 575 unsigned int jack_type; 576 unsigned int debounce_time; 577 struct list_head list; 578 }; 579 580 /** 581 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection 582 * 583 * @gpio: gpio number 584 * @name: gpio name 585 * @report: value to report when jack detected 586 * @invert: report presence in low state 587 * @debouce_time: debouce time in ms 588 * @wake: enable as wake source 589 * @jack_status_check: callback function which overrides the detection 590 * to provide more complex checks (eg, reading an 591 * ADC). 592 */ 593 #ifdef CONFIG_GPIOLIB 594 struct snd_soc_jack_gpio { 595 unsigned int gpio; 596 const char *name; 597 int report; 598 int invert; 599 int debounce_time; 600 bool wake; 601 602 struct snd_soc_jack *jack; 603 struct delayed_work work; 604 605 int (*jack_status_check)(void); 606 }; 607 #endif 608 609 struct snd_soc_jack { 610 struct mutex mutex; 611 struct snd_jack *jack; 612 struct snd_soc_codec *codec; 613 struct list_head pins; 614 int status; 615 struct blocking_notifier_head notifier; 616 struct list_head jack_zones; 617 }; 618 619 /* SoC PCM stream information */ 620 struct snd_soc_pcm_stream { 621 const char *stream_name; 622 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 623 unsigned int rates; /* SNDRV_PCM_RATE_* */ 624 unsigned int rate_min; /* min rate */ 625 unsigned int rate_max; /* max rate */ 626 unsigned int channels_min; /* min channels */ 627 unsigned int channels_max; /* max channels */ 628 unsigned int sig_bits; /* number of bits of content */ 629 }; 630 631 /* SoC audio ops */ 632 struct snd_soc_ops { 633 int (*startup)(struct snd_pcm_substream *); 634 void (*shutdown)(struct snd_pcm_substream *); 635 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 636 int (*hw_free)(struct snd_pcm_substream *); 637 int (*prepare)(struct snd_pcm_substream *); 638 int (*trigger)(struct snd_pcm_substream *, int); 639 }; 640 641 struct snd_soc_compr_ops { 642 int (*startup)(struct snd_compr_stream *); 643 void (*shutdown)(struct snd_compr_stream *); 644 int (*set_params)(struct snd_compr_stream *); 645 int (*trigger)(struct snd_compr_stream *); 646 }; 647 648 /* SoC cache ops */ 649 struct snd_soc_cache_ops { 650 const char *name; 651 enum snd_soc_compress_type id; 652 int (*init)(struct snd_soc_codec *codec); 653 int (*exit)(struct snd_soc_codec *codec); 654 int (*read)(struct snd_soc_codec *codec, unsigned int reg, 655 unsigned int *value); 656 int (*write)(struct snd_soc_codec *codec, unsigned int reg, 657 unsigned int value); 658 int (*sync)(struct snd_soc_codec *codec); 659 }; 660 661 /* SoC Audio Codec device */ 662 struct snd_soc_codec { 663 const char *name; 664 const char *name_prefix; 665 int id; 666 struct device *dev; 667 const struct snd_soc_codec_driver *driver; 668 669 struct mutex mutex; 670 struct snd_soc_card *card; 671 struct list_head list; 672 struct list_head card_list; 673 int num_dai; 674 enum snd_soc_compress_type compress_type; 675 size_t reg_size; /* reg_cache_size * reg_word_size */ 676 int (*volatile_register)(struct snd_soc_codec *, unsigned int); 677 int (*readable_register)(struct snd_soc_codec *, unsigned int); 678 int (*writable_register)(struct snd_soc_codec *, unsigned int); 679 680 /* runtime */ 681 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ 682 unsigned int active; 683 unsigned int cache_bypass:1; /* Suppress access to the cache */ 684 unsigned int suspended:1; /* Codec is in suspend PM state */ 685 unsigned int probed:1; /* Codec has been probed */ 686 unsigned int ac97_registered:1; /* Codec has been AC97 registered */ 687 unsigned int ac97_created:1; /* Codec has been created by SoC */ 688 unsigned int sysfs_registered:1; /* codec has been sysfs registered */ 689 unsigned int cache_init:1; /* codec cache has been initialized */ 690 unsigned int using_regmap:1; /* using regmap access */ 691 u32 cache_only; /* Suppress writes to hardware */ 692 u32 cache_sync; /* Cache needs to be synced to hardware */ 693 694 /* codec IO */ 695 void *control_data; /* codec control (i2c/3wire) data */ 696 enum snd_soc_control_type control_type; 697 hw_write_t hw_write; 698 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int); 699 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 700 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 701 int (*bulk_write_raw)(struct snd_soc_codec *, unsigned int, const void *, size_t); 702 void *reg_cache; 703 const void *reg_def_copy; 704 const struct snd_soc_cache_ops *cache_ops; 705 struct mutex cache_rw_mutex; 706 int val_bytes; 707 708 /* dapm */ 709 struct snd_soc_dapm_context dapm; 710 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ 711 712 #ifdef CONFIG_DEBUG_FS 713 struct dentry *debugfs_codec_root; 714 struct dentry *debugfs_reg; 715 struct dentry *debugfs_dapm; 716 #endif 717 }; 718 719 /* codec driver */ 720 struct snd_soc_codec_driver { 721 722 /* driver ops */ 723 int (*probe)(struct snd_soc_codec *); 724 int (*remove)(struct snd_soc_codec *); 725 int (*suspend)(struct snd_soc_codec *); 726 int (*resume)(struct snd_soc_codec *); 727 728 /* Default control and setup, added after probe() is run */ 729 const struct snd_kcontrol_new *controls; 730 int num_controls; 731 const struct snd_soc_dapm_widget *dapm_widgets; 732 int num_dapm_widgets; 733 const struct snd_soc_dapm_route *dapm_routes; 734 int num_dapm_routes; 735 736 /* codec wide operations */ 737 int (*set_sysclk)(struct snd_soc_codec *codec, 738 int clk_id, int source, unsigned int freq, int dir); 739 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, 740 unsigned int freq_in, unsigned int freq_out); 741 742 /* codec IO */ 743 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 744 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 745 int (*display_register)(struct snd_soc_codec *, char *, 746 size_t, unsigned int); 747 int (*volatile_register)(struct snd_soc_codec *, unsigned int); 748 int (*readable_register)(struct snd_soc_codec *, unsigned int); 749 int (*writable_register)(struct snd_soc_codec *, unsigned int); 750 unsigned int reg_cache_size; 751 short reg_cache_step; 752 short reg_word_size; 753 const void *reg_cache_default; 754 short reg_access_size; 755 const struct snd_soc_reg_access *reg_access_default; 756 enum snd_soc_compress_type compress_type; 757 758 /* codec bias level */ 759 int (*set_bias_level)(struct snd_soc_codec *, 760 enum snd_soc_bias_level level); 761 bool idle_bias_off; 762 763 void (*seq_notifier)(struct snd_soc_dapm_context *, 764 enum snd_soc_dapm_type, int); 765 766 /* codec stream completion event */ 767 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 768 769 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ 770 771 /* probe ordering - for components with runtime dependencies */ 772 int probe_order; 773 int remove_order; 774 }; 775 776 /* SoC platform interface */ 777 struct snd_soc_platform_driver { 778 779 int (*probe)(struct snd_soc_platform *); 780 int (*remove)(struct snd_soc_platform *); 781 int (*suspend)(struct snd_soc_dai *dai); 782 int (*resume)(struct snd_soc_dai *dai); 783 784 /* pcm creation and destruction */ 785 int (*pcm_new)(struct snd_soc_pcm_runtime *); 786 void (*pcm_free)(struct snd_pcm *); 787 788 /* Default control and setup, added after probe() is run */ 789 const struct snd_kcontrol_new *controls; 790 int num_controls; 791 const struct snd_soc_dapm_widget *dapm_widgets; 792 int num_dapm_widgets; 793 const struct snd_soc_dapm_route *dapm_routes; 794 int num_dapm_routes; 795 796 /* 797 * For platform caused delay reporting. 798 * Optional. 799 */ 800 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, 801 struct snd_soc_dai *); 802 803 /* platform stream pcm ops */ 804 struct snd_pcm_ops *ops; 805 806 /* platform stream compress ops */ 807 struct snd_compr_ops *compr_ops; 808 809 /* platform stream completion event */ 810 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 811 812 /* probe ordering - for components with runtime dependencies */ 813 int probe_order; 814 int remove_order; 815 816 /* platform IO - used for platform DAPM */ 817 unsigned int (*read)(struct snd_soc_platform *, unsigned int); 818 int (*write)(struct snd_soc_platform *, unsigned int, unsigned int); 819 int (*bespoke_trigger)(struct snd_pcm_substream *, int); 820 }; 821 822 struct snd_soc_platform { 823 const char *name; 824 int id; 825 struct device *dev; 826 struct snd_soc_platform_driver *driver; 827 struct mutex mutex; 828 829 unsigned int suspended:1; /* platform is suspended */ 830 unsigned int probed:1; 831 832 struct snd_soc_card *card; 833 struct list_head list; 834 struct list_head card_list; 835 836 struct snd_soc_dapm_context dapm; 837 838 #ifdef CONFIG_DEBUG_FS 839 struct dentry *debugfs_platform_root; 840 struct dentry *debugfs_dapm; 841 #endif 842 }; 843 844 struct snd_soc_dai_link { 845 /* config - must be set by machine driver */ 846 const char *name; /* Codec name */ 847 const char *stream_name; /* Stream name */ 848 /* 849 * You MAY specify the link's CPU-side device, either by device name, 850 * or by DT/OF node, but not both. If this information is omitted, 851 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 852 * must be globally unique. These fields are currently typically used 853 * only for codec to codec links, or systems using device tree. 854 */ 855 const char *cpu_name; 856 const struct device_node *cpu_of_node; 857 /* 858 * You MAY specify the DAI name of the CPU DAI. If this information is 859 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 860 * only, which only works well when that device exposes a single DAI. 861 */ 862 const char *cpu_dai_name; 863 /* 864 * You MUST specify the link's codec, either by device name, or by 865 * DT/OF node, but not both. 866 */ 867 const char *codec_name; 868 const struct device_node *codec_of_node; 869 /* You MUST specify the DAI name within the codec */ 870 const char *codec_dai_name; 871 /* 872 * You MAY specify the link's platform/PCM/DMA driver, either by 873 * device name, or by DT/OF node, but not both. Some forms of link 874 * do not need a platform. 875 */ 876 const char *platform_name; 877 const struct device_node *platform_of_node; 878 int be_id; /* optional ID for machine driver BE identification */ 879 880 const struct snd_soc_pcm_stream *params; 881 882 unsigned int dai_fmt; /* format to set on init */ 883 884 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 885 886 /* Keep DAI active over suspend */ 887 unsigned int ignore_suspend:1; 888 889 /* Symmetry requirements */ 890 unsigned int symmetric_rates: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 /* pmdown_time is ignored at stop */ 899 unsigned int ignore_pmdown_time:1; 900 901 /* codec/machine specific init - e.g. add machine controls */ 902 int (*init)(struct snd_soc_pcm_runtime *rtd); 903 904 /* optional hw_params re-writing for BE and FE sync */ 905 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 906 struct snd_pcm_hw_params *params); 907 908 /* machine stream operations */ 909 struct snd_soc_ops *ops; 910 struct snd_soc_compr_ops *compr_ops; 911 }; 912 913 struct snd_soc_codec_conf { 914 const char *dev_name; 915 916 /* 917 * optional map of kcontrol, widget and path name prefixes that are 918 * associated per device 919 */ 920 const char *name_prefix; 921 922 /* 923 * set this to the desired compression type if you want to 924 * override the one supplied in codec->driver->compress_type 925 */ 926 enum snd_soc_compress_type compress_type; 927 }; 928 929 struct snd_soc_aux_dev { 930 const char *name; /* Codec name */ 931 const char *codec_name; /* for multi-codec */ 932 933 /* codec/machine specific init - e.g. add machine controls */ 934 int (*init)(struct snd_soc_dapm_context *dapm); 935 }; 936 937 /* SoC card */ 938 struct snd_soc_card { 939 const char *name; 940 const char *long_name; 941 const char *driver_name; 942 struct device *dev; 943 struct snd_card *snd_card; 944 struct module *owner; 945 946 struct list_head list; 947 struct mutex mutex; 948 struct mutex dapm_mutex; 949 950 bool instantiated; 951 952 int (*probe)(struct snd_soc_card *card); 953 int (*late_probe)(struct snd_soc_card *card); 954 int (*remove)(struct snd_soc_card *card); 955 956 /* the pre and post PM functions are used to do any PM work before and 957 * after the codec and DAI's do any PM work. */ 958 int (*suspend_pre)(struct snd_soc_card *card); 959 int (*suspend_post)(struct snd_soc_card *card); 960 int (*resume_pre)(struct snd_soc_card *card); 961 int (*resume_post)(struct snd_soc_card *card); 962 963 /* callbacks */ 964 int (*set_bias_level)(struct snd_soc_card *, 965 struct snd_soc_dapm_context *dapm, 966 enum snd_soc_bias_level level); 967 int (*set_bias_level_post)(struct snd_soc_card *, 968 struct snd_soc_dapm_context *dapm, 969 enum snd_soc_bias_level level); 970 971 long pmdown_time; 972 973 /* CPU <--> Codec DAI links */ 974 struct snd_soc_dai_link *dai_link; 975 int num_links; 976 struct snd_soc_pcm_runtime *rtd; 977 int num_rtd; 978 979 /* optional codec specific configuration */ 980 struct snd_soc_codec_conf *codec_conf; 981 int num_configs; 982 983 /* 984 * optional auxiliary devices such as amplifiers or codecs with DAI 985 * link unused 986 */ 987 struct snd_soc_aux_dev *aux_dev; 988 int num_aux_devs; 989 struct snd_soc_pcm_runtime *rtd_aux; 990 int num_aux_rtd; 991 992 const struct snd_kcontrol_new *controls; 993 int num_controls; 994 995 /* 996 * Card-specific routes and widgets. 997 */ 998 const struct snd_soc_dapm_widget *dapm_widgets; 999 int num_dapm_widgets; 1000 const struct snd_soc_dapm_route *dapm_routes; 1001 int num_dapm_routes; 1002 bool fully_routed; 1003 1004 struct work_struct deferred_resume_work; 1005 1006 /* lists of probed devices belonging to this card */ 1007 struct list_head codec_dev_list; 1008 struct list_head platform_dev_list; 1009 struct list_head dai_dev_list; 1010 1011 struct list_head widgets; 1012 struct list_head paths; 1013 struct list_head dapm_list; 1014 struct list_head dapm_dirty; 1015 1016 /* Generic DAPM context for the card */ 1017 struct snd_soc_dapm_context dapm; 1018 struct snd_soc_dapm_stats dapm_stats; 1019 1020 #ifdef CONFIG_DEBUG_FS 1021 struct dentry *debugfs_card_root; 1022 struct dentry *debugfs_pop_time; 1023 #endif 1024 u32 pop_time; 1025 1026 void *drvdata; 1027 }; 1028 1029 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1030 struct snd_soc_pcm_runtime { 1031 struct device *dev; 1032 struct snd_soc_card *card; 1033 struct snd_soc_dai_link *dai_link; 1034 struct mutex pcm_mutex; 1035 enum snd_soc_pcm_subclass pcm_subclass; 1036 struct snd_pcm_ops ops; 1037 1038 unsigned int dev_registered:1; 1039 1040 /* Dynamic PCM BE runtime data */ 1041 struct snd_soc_dpcm_runtime dpcm[2]; 1042 1043 long pmdown_time; 1044 unsigned char pop_wait:1; 1045 1046 /* runtime devices */ 1047 struct snd_pcm *pcm; 1048 struct snd_compr *compr; 1049 struct snd_soc_codec *codec; 1050 struct snd_soc_platform *platform; 1051 struct snd_soc_dai *codec_dai; 1052 struct snd_soc_dai *cpu_dai; 1053 1054 struct delayed_work delayed_work; 1055 #ifdef CONFIG_DEBUG_FS 1056 struct dentry *debugfs_dpcm_root; 1057 struct dentry *debugfs_dpcm_state; 1058 #endif 1059 }; 1060 1061 /* mixer control */ 1062 struct soc_mixer_control { 1063 int min, max, platform_max; 1064 unsigned int reg, rreg, shift, rshift, invert; 1065 }; 1066 1067 struct soc_bytes { 1068 int base; 1069 int num_regs; 1070 u32 mask; 1071 }; 1072 1073 /* multi register control */ 1074 struct soc_mreg_control { 1075 long min, max; 1076 unsigned int regbase, regcount, nbits, invert; 1077 }; 1078 1079 /* enumerated kcontrol */ 1080 struct soc_enum { 1081 unsigned short reg; 1082 unsigned short reg2; 1083 unsigned char shift_l; 1084 unsigned char shift_r; 1085 unsigned int max; 1086 unsigned int mask; 1087 const char * const *texts; 1088 const unsigned int *values; 1089 void *dapm; 1090 }; 1091 1092 /* codec IO */ 1093 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); 1094 unsigned int snd_soc_write(struct snd_soc_codec *codec, 1095 unsigned int reg, unsigned int val); 1096 unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, 1097 unsigned int reg, const void *data, size_t len); 1098 1099 /* device driver data */ 1100 1101 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1102 void *data) 1103 { 1104 card->drvdata = data; 1105 } 1106 1107 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1108 { 1109 return card->drvdata; 1110 } 1111 1112 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, 1113 void *data) 1114 { 1115 dev_set_drvdata(codec->dev, data); 1116 } 1117 1118 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) 1119 { 1120 return dev_get_drvdata(codec->dev); 1121 } 1122 1123 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, 1124 void *data) 1125 { 1126 dev_set_drvdata(platform->dev, data); 1127 } 1128 1129 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) 1130 { 1131 return dev_get_drvdata(platform->dev); 1132 } 1133 1134 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd, 1135 void *data) 1136 { 1137 dev_set_drvdata(rtd->dev, data); 1138 } 1139 1140 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) 1141 { 1142 return dev_get_drvdata(rtd->dev); 1143 } 1144 1145 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1146 { 1147 INIT_LIST_HEAD(&card->dai_dev_list); 1148 INIT_LIST_HEAD(&card->codec_dev_list); 1149 INIT_LIST_HEAD(&card->platform_dev_list); 1150 INIT_LIST_HEAD(&card->widgets); 1151 INIT_LIST_HEAD(&card->paths); 1152 INIT_LIST_HEAD(&card->dapm_list); 1153 } 1154 1155 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1156 { 1157 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1158 return 0; 1159 /* 1160 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1161 * mc->reg != mc->rreg means that the control is 1162 * stereo (bits in one register or in two registers) 1163 */ 1164 return 1; 1165 } 1166 1167 int snd_soc_util_init(void); 1168 void snd_soc_util_exit(void); 1169 1170 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1171 const char *propname); 1172 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1173 const char *propname); 1174 1175 #include <sound/soc-dai.h> 1176 1177 #ifdef CONFIG_DEBUG_FS 1178 extern struct dentry *snd_soc_debugfs_root; 1179 #endif 1180 1181 extern const struct dev_pm_ops snd_soc_pm_ops; 1182 1183 #endif 1184