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, .shift = xshift, .min = xmin,\ 62 .max = xmax, .platform_max = xmax, .invert = xinvert} } 63 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 64 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 65 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 66 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 67 .tlv.p = (tlv_array), \ 68 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 69 .put = snd_soc_put_volsw, \ 70 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 71 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ 72 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 73 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 74 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 75 .tlv.p = (tlv_array),\ 76 .info = snd_soc_info_volsw, \ 77 .get = snd_soc_get_volsw_sx,\ 78 .put = snd_soc_put_volsw_sx, \ 79 .private_value = (unsigned long)&(struct soc_mixer_control) \ 80 {.reg = xreg, .rreg = xreg, \ 81 .shift = xshift, .rshift = xshift, \ 82 .max = xmax, .min = xmin} } 83 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, 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_range, \ 89 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 90 .private_value = (unsigned long)&(struct soc_mixer_control) \ 91 {.reg = xreg, .shift = xshift, .min = xmin,\ 92 .max = xmax, .platform_max = xmax, .invert = xinvert} } 93 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ 94 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 95 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 96 .put = snd_soc_put_volsw, \ 97 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 98 max, invert) } 99 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ 100 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 101 .info = snd_soc_info_volsw, \ 102 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 103 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 104 xmax, xinvert) } 105 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ 106 xmax, xinvert) \ 107 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 108 .info = snd_soc_info_volsw_range, \ 109 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 110 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 111 xshift, xmin, xmax, xinvert) } 112 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ 113 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 114 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 115 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 116 .tlv.p = (tlv_array), \ 117 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 118 .put = snd_soc_put_volsw, \ 119 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 120 max, invert) } 121 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ 122 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 123 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 124 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 125 .tlv.p = (tlv_array), \ 126 .info = snd_soc_info_volsw, \ 127 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 128 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 129 xmax, xinvert) } 130 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ 131 xmax, xinvert, tlv_array) \ 132 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 133 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 134 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 135 .tlv.p = (tlv_array), \ 136 .info = snd_soc_info_volsw_range, \ 137 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 138 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 139 xshift, xmin, xmax, xinvert) } 140 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ 141 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 142 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 143 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 144 .tlv.p = (tlv_array), \ 145 .info = snd_soc_info_volsw, \ 146 .get = snd_soc_get_volsw_sx, \ 147 .put = snd_soc_put_volsw_sx, \ 148 .private_value = (unsigned long)&(struct soc_mixer_control) \ 149 {.reg = xreg, .rreg = xrreg, \ 150 .shift = xshift, .rshift = xshift, \ 151 .max = xmax, .min = xmin} } 152 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, 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_s8, .get = snd_soc_get_volsw_s8, \ 158 .put = snd_soc_put_volsw_s8, \ 159 .private_value = (unsigned long)&(struct soc_mixer_control) \ 160 {.reg = xreg, .min = xmin, .max = xmax, \ 161 .platform_max = xmax} } 162 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \ 163 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 164 .max = xmax, .texts = xtexts, \ 165 .mask = xmax ? roundup_pow_of_two(xmax) - 1 : 0} 166 #define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \ 167 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts) 168 #define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \ 169 { .max = xmax, .texts = xtexts } 170 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \ 171 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 172 .mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues} 173 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \ 174 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues) 175 #define SOC_ENUM(xname, xenum) \ 176 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 177 .info = snd_soc_info_enum_double, \ 178 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ 179 .private_value = (unsigned long)&xenum } 180 #define SOC_VALUE_ENUM(xname, xenum) \ 181 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 182 .info = snd_soc_info_enum_double, \ 183 .get = snd_soc_get_value_enum_double, \ 184 .put = snd_soc_put_value_enum_double, \ 185 .private_value = (unsigned long)&xenum } 186 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ 187 xhandler_get, xhandler_put) \ 188 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 189 .info = snd_soc_info_volsw, \ 190 .get = xhandler_get, .put = xhandler_put, \ 191 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) } 192 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ 193 xhandler_get, xhandler_put) \ 194 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 195 .info = snd_soc_info_volsw, \ 196 .get = xhandler_get, .put = xhandler_put, \ 197 .private_value = \ 198 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert) } 199 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ 200 xhandler_get, xhandler_put, tlv_array) \ 201 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 202 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 203 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 204 .tlv.p = (tlv_array), \ 205 .info = snd_soc_info_volsw, \ 206 .get = xhandler_get, .put = xhandler_put, \ 207 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) } 208 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ 209 xhandler_get, xhandler_put, tlv_array) \ 210 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 211 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 212 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 213 .tlv.p = (tlv_array), \ 214 .info = snd_soc_info_volsw, \ 215 .get = xhandler_get, .put = xhandler_put, \ 216 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 217 xmax, xinvert) } 218 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 219 xhandler_get, xhandler_put, tlv_array) \ 220 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 221 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 222 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 223 .tlv.p = (tlv_array), \ 224 .info = snd_soc_info_volsw, \ 225 .get = xhandler_get, .put = xhandler_put, \ 226 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 227 xmax, xinvert) } 228 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 229 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 230 .info = snd_soc_info_bool_ext, \ 231 .get = xhandler_get, .put = xhandler_put, \ 232 .private_value = xdata } 233 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 234 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 235 .info = snd_soc_info_enum_ext, \ 236 .get = xhandler_get, .put = xhandler_put, \ 237 .private_value = (unsigned long)&xenum } 238 239 #define SND_SOC_BYTES(xname, xbase, xregs) \ 240 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 241 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 242 .put = snd_soc_bytes_put, .private_value = \ 243 ((unsigned long)&(struct soc_bytes) \ 244 {.base = xbase, .num_regs = xregs }) } 245 246 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 247 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 248 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 249 .put = snd_soc_bytes_put, .private_value = \ 250 ((unsigned long)&(struct soc_bytes) \ 251 {.base = xbase, .num_regs = xregs, \ 252 .mask = xmask }) } 253 254 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 255 xmin, xmax, xinvert) \ 256 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 257 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 258 .put = snd_soc_put_xr_sx, \ 259 .private_value = (unsigned long)&(struct soc_mreg_control) \ 260 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 261 .invert = xinvert, .min = xmin, .max = xmax} } 262 263 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 264 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 265 snd_soc_get_strobe, snd_soc_put_strobe) 266 267 /* 268 * Simplified versions of above macros, declaring a struct and calculating 269 * ARRAY_SIZE internally 270 */ 271 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 272 struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 273 ARRAY_SIZE(xtexts), xtexts) 274 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 275 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 276 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 277 struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 278 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 279 struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 280 ARRAY_SIZE(xtexts), xtexts, xvalues) 281 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 282 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 283 284 /* 285 * Component probe and remove ordering levels for components with runtime 286 * dependencies. 287 */ 288 #define SND_SOC_COMP_ORDER_FIRST -2 289 #define SND_SOC_COMP_ORDER_EARLY -1 290 #define SND_SOC_COMP_ORDER_NORMAL 0 291 #define SND_SOC_COMP_ORDER_LATE 1 292 #define SND_SOC_COMP_ORDER_LAST 2 293 294 /* 295 * Bias levels 296 * 297 * @ON: Bias is fully on for audio playback and capture operations. 298 * @PREPARE: Prepare for audio operations. Called before DAPM switching for 299 * stream start and stop operations. 300 * @STANDBY: Low power standby state when no playback/capture operations are 301 * in progress. NOTE: The transition time between STANDBY and ON 302 * should be as fast as possible and no longer than 10ms. 303 * @OFF: Power Off. No restrictions on transition times. 304 */ 305 enum snd_soc_bias_level { 306 SND_SOC_BIAS_OFF = 0, 307 SND_SOC_BIAS_STANDBY = 1, 308 SND_SOC_BIAS_PREPARE = 2, 309 SND_SOC_BIAS_ON = 3, 310 }; 311 312 struct device_node; 313 struct snd_jack; 314 struct snd_soc_card; 315 struct snd_soc_pcm_stream; 316 struct snd_soc_ops; 317 struct snd_soc_pcm_runtime; 318 struct snd_soc_dai; 319 struct snd_soc_dai_driver; 320 struct snd_soc_platform; 321 struct snd_soc_dai_link; 322 struct snd_soc_platform_driver; 323 struct snd_soc_codec; 324 struct snd_soc_codec_driver; 325 struct soc_enum; 326 struct snd_soc_jack; 327 struct snd_soc_jack_zone; 328 struct snd_soc_jack_pin; 329 struct snd_soc_cache_ops; 330 #include <sound/soc-dapm.h> 331 #include <sound/soc-dpcm.h> 332 333 #ifdef CONFIG_GPIOLIB 334 struct snd_soc_jack_gpio; 335 #endif 336 337 typedef int (*hw_write_t)(void *,const char* ,int); 338 339 extern struct snd_ac97_bus_ops soc_ac97_ops; 340 341 enum snd_soc_control_type { 342 SND_SOC_I2C = 1, 343 SND_SOC_SPI, 344 SND_SOC_REGMAP, 345 }; 346 347 enum snd_soc_compress_type { 348 SND_SOC_FLAT_COMPRESSION = 1, 349 }; 350 351 enum snd_soc_pcm_subclass { 352 SND_SOC_PCM_CLASS_PCM = 0, 353 SND_SOC_PCM_CLASS_BE = 1, 354 }; 355 356 enum snd_soc_card_subclass { 357 SND_SOC_CARD_CLASS_INIT = 0, 358 SND_SOC_CARD_CLASS_RUNTIME = 1, 359 }; 360 361 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, 362 int source, unsigned int freq, int dir); 363 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, 364 unsigned int freq_in, unsigned int freq_out); 365 366 int snd_soc_register_card(struct snd_soc_card *card); 367 int snd_soc_unregister_card(struct snd_soc_card *card); 368 int snd_soc_suspend(struct device *dev); 369 int snd_soc_resume(struct device *dev); 370 int snd_soc_poweroff(struct device *dev); 371 int snd_soc_register_platform(struct device *dev, 372 struct snd_soc_platform_driver *platform_drv); 373 void snd_soc_unregister_platform(struct device *dev); 374 int snd_soc_register_codec(struct device *dev, 375 const struct snd_soc_codec_driver *codec_drv, 376 struct snd_soc_dai_driver *dai_drv, int num_dai); 377 void snd_soc_unregister_codec(struct device *dev); 378 int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, 379 unsigned int reg); 380 int snd_soc_codec_readable_register(struct snd_soc_codec *codec, 381 unsigned int reg); 382 int snd_soc_codec_writable_register(struct snd_soc_codec *codec, 383 unsigned int reg); 384 int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, 385 int addr_bits, int data_bits, 386 enum snd_soc_control_type control); 387 int snd_soc_cache_sync(struct snd_soc_codec *codec); 388 int snd_soc_cache_init(struct snd_soc_codec *codec); 389 int snd_soc_cache_exit(struct snd_soc_codec *codec); 390 int snd_soc_cache_write(struct snd_soc_codec *codec, 391 unsigned int reg, unsigned int value); 392 int snd_soc_cache_read(struct snd_soc_codec *codec, 393 unsigned int reg, unsigned int *value); 394 int snd_soc_default_volatile_register(struct snd_soc_codec *codec, 395 unsigned int reg); 396 int snd_soc_default_readable_register(struct snd_soc_codec *codec, 397 unsigned int reg); 398 int snd_soc_default_writable_register(struct snd_soc_codec *codec, 399 unsigned int reg); 400 int snd_soc_platform_read(struct snd_soc_platform *platform, 401 unsigned int reg); 402 int snd_soc_platform_write(struct snd_soc_platform *platform, 403 unsigned int reg, unsigned int val); 404 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 405 int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 406 407 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, 408 const char *dai_link, int stream); 409 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 410 const char *dai_link); 411 412 /* Utility functions to get clock rates from various things */ 413 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 414 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 415 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 416 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 417 418 /* set runtime hw params */ 419 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 420 const struct snd_pcm_hardware *hw); 421 422 int snd_soc_platform_trigger(struct snd_pcm_substream *substream, 423 int cmd, struct snd_soc_platform *platform); 424 425 /* Jack reporting */ 426 int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type, 427 struct snd_soc_jack *jack); 428 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); 429 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, 430 struct snd_soc_jack_pin *pins); 431 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, 432 struct notifier_block *nb); 433 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, 434 struct notifier_block *nb); 435 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, 436 struct snd_soc_jack_zone *zones); 437 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); 438 #ifdef CONFIG_GPIOLIB 439 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 440 struct snd_soc_jack_gpio *gpios); 441 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 442 struct snd_soc_jack_gpio *gpios); 443 #endif 444 445 /* codec register bit access */ 446 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, 447 unsigned int mask, unsigned int value); 448 int snd_soc_update_bits_locked(struct snd_soc_codec *codec, 449 unsigned short reg, unsigned int mask, 450 unsigned int value); 451 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, 452 unsigned int mask, unsigned int value); 453 454 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, 455 struct snd_ac97_bus_ops *ops, int num); 456 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); 457 458 /* 459 *Controls 460 */ 461 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 462 void *data, const char *long_name, 463 const char *prefix); 464 int snd_soc_add_codec_controls(struct snd_soc_codec *codec, 465 const struct snd_kcontrol_new *controls, int num_controls); 466 int snd_soc_add_platform_controls(struct snd_soc_platform *platform, 467 const struct snd_kcontrol_new *controls, int num_controls); 468 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 469 const struct snd_kcontrol_new *controls, int num_controls); 470 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 471 const struct snd_kcontrol_new *controls, int num_controls); 472 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 473 struct snd_ctl_elem_info *uinfo); 474 int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, 475 struct snd_ctl_elem_info *uinfo); 476 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 477 struct snd_ctl_elem_value *ucontrol); 478 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 479 struct snd_ctl_elem_value *ucontrol); 480 int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, 481 struct snd_ctl_elem_value *ucontrol); 482 int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, 483 struct snd_ctl_elem_value *ucontrol); 484 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 485 struct snd_ctl_elem_info *uinfo); 486 int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, 487 struct snd_ctl_elem_info *uinfo); 488 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 489 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 490 struct snd_ctl_elem_value *ucontrol); 491 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 492 struct snd_ctl_elem_value *ucontrol); 493 #define snd_soc_get_volsw_2r snd_soc_get_volsw 494 #define snd_soc_put_volsw_2r snd_soc_put_volsw 495 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 496 struct snd_ctl_elem_value *ucontrol); 497 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 498 struct snd_ctl_elem_value *ucontrol); 499 int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, 500 struct snd_ctl_elem_info *uinfo); 501 int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, 502 struct snd_ctl_elem_value *ucontrol); 503 int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, 504 struct snd_ctl_elem_value *ucontrol); 505 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 506 struct snd_ctl_elem_info *uinfo); 507 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 508 struct snd_ctl_elem_value *ucontrol); 509 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 510 struct snd_ctl_elem_value *ucontrol); 511 int snd_soc_limit_volume(struct snd_soc_codec *codec, 512 const char *name, int max); 513 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 514 struct snd_ctl_elem_info *uinfo); 515 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 516 struct snd_ctl_elem_value *ucontrol); 517 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 518 struct snd_ctl_elem_value *ucontrol); 519 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 520 struct snd_ctl_elem_info *uinfo); 521 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 522 struct snd_ctl_elem_value *ucontrol); 523 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 524 struct snd_ctl_elem_value *ucontrol); 525 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 526 struct snd_ctl_elem_value *ucontrol); 527 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 528 struct snd_ctl_elem_value *ucontrol); 529 530 /** 531 * struct snd_soc_reg_access - Describes whether a given register is 532 * readable, writable or volatile. 533 * 534 * @reg: the register number 535 * @read: whether this register is readable 536 * @write: whether this register is writable 537 * @vol: whether this register is volatile 538 */ 539 struct snd_soc_reg_access { 540 u16 reg; 541 u16 read; 542 u16 write; 543 u16 vol; 544 }; 545 546 /** 547 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection 548 * 549 * @pin: name of the pin to update 550 * @mask: bits to check for in reported jack status 551 * @invert: if non-zero then pin is enabled when status is not reported 552 */ 553 struct snd_soc_jack_pin { 554 struct list_head list; 555 const char *pin; 556 int mask; 557 bool invert; 558 }; 559 560 /** 561 * struct snd_soc_jack_zone - Describes voltage zones of jack detection 562 * 563 * @min_mv: start voltage in mv 564 * @max_mv: end voltage in mv 565 * @jack_type: type of jack that is expected for this voltage 566 * @debounce_time: debounce_time for jack, codec driver should wait for this 567 * duration before reading the adc for voltages 568 * @:list: list container 569 */ 570 struct snd_soc_jack_zone { 571 unsigned int min_mv; 572 unsigned int max_mv; 573 unsigned int jack_type; 574 unsigned int debounce_time; 575 struct list_head list; 576 }; 577 578 /** 579 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection 580 * 581 * @gpio: gpio number 582 * @name: gpio name 583 * @report: value to report when jack detected 584 * @invert: report presence in low state 585 * @debouce_time: debouce time in ms 586 * @wake: enable as wake source 587 * @jack_status_check: callback function which overrides the detection 588 * to provide more complex checks (eg, reading an 589 * ADC). 590 */ 591 #ifdef CONFIG_GPIOLIB 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 #endif 606 607 struct snd_soc_jack { 608 struct mutex mutex; 609 struct snd_jack *jack; 610 struct snd_soc_codec *codec; 611 struct list_head pins; 612 int status; 613 struct blocking_notifier_head notifier; 614 struct list_head jack_zones; 615 }; 616 617 /* SoC PCM stream information */ 618 struct snd_soc_pcm_stream { 619 const char *stream_name; 620 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 621 unsigned int rates; /* SNDRV_PCM_RATE_* */ 622 unsigned int rate_min; /* min rate */ 623 unsigned int rate_max; /* max rate */ 624 unsigned int channels_min; /* min channels */ 625 unsigned int channels_max; /* max channels */ 626 unsigned int sig_bits; /* number of bits of content */ 627 }; 628 629 /* SoC audio ops */ 630 struct snd_soc_ops { 631 int (*startup)(struct snd_pcm_substream *); 632 void (*shutdown)(struct snd_pcm_substream *); 633 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 634 int (*hw_free)(struct snd_pcm_substream *); 635 int (*prepare)(struct snd_pcm_substream *); 636 int (*trigger)(struct snd_pcm_substream *, int); 637 }; 638 639 struct snd_soc_compr_ops { 640 int (*startup)(struct snd_compr_stream *); 641 void (*shutdown)(struct snd_compr_stream *); 642 int (*set_params)(struct snd_compr_stream *); 643 int (*trigger)(struct snd_compr_stream *); 644 }; 645 646 /* SoC cache ops */ 647 struct snd_soc_cache_ops { 648 const char *name; 649 enum snd_soc_compress_type id; 650 int (*init)(struct snd_soc_codec *codec); 651 int (*exit)(struct snd_soc_codec *codec); 652 int (*read)(struct snd_soc_codec *codec, unsigned int reg, 653 unsigned int *value); 654 int (*write)(struct snd_soc_codec *codec, unsigned int reg, 655 unsigned int value); 656 int (*sync)(struct snd_soc_codec *codec); 657 }; 658 659 /* SoC Audio Codec device */ 660 struct snd_soc_codec { 661 const char *name; 662 const char *name_prefix; 663 int id; 664 struct device *dev; 665 const struct snd_soc_codec_driver *driver; 666 667 struct mutex mutex; 668 struct snd_soc_card *card; 669 struct list_head list; 670 struct list_head card_list; 671 int num_dai; 672 enum snd_soc_compress_type compress_type; 673 size_t reg_size; /* reg_cache_size * reg_word_size */ 674 int (*volatile_register)(struct snd_soc_codec *, unsigned int); 675 int (*readable_register)(struct snd_soc_codec *, unsigned int); 676 int (*writable_register)(struct snd_soc_codec *, unsigned int); 677 678 /* runtime */ 679 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ 680 unsigned int active; 681 unsigned int cache_bypass:1; /* Suppress access to the cache */ 682 unsigned int suspended:1; /* Codec is in suspend PM state */ 683 unsigned int probed:1; /* Codec has been probed */ 684 unsigned int ac97_registered:1; /* Codec has been AC97 registered */ 685 unsigned int ac97_created:1; /* Codec has been created by SoC */ 686 unsigned int sysfs_registered:1; /* codec has been sysfs registered */ 687 unsigned int cache_init:1; /* codec cache has been initialized */ 688 unsigned int using_regmap:1; /* using regmap access */ 689 u32 cache_only; /* Suppress writes to hardware */ 690 u32 cache_sync; /* Cache needs to be synced to hardware */ 691 692 /* codec IO */ 693 void *control_data; /* codec control (i2c/3wire) data */ 694 enum snd_soc_control_type control_type; 695 hw_write_t hw_write; 696 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int); 697 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 698 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 699 int (*bulk_write_raw)(struct snd_soc_codec *, unsigned int, const void *, size_t); 700 void *reg_cache; 701 const void *reg_def_copy; 702 const struct snd_soc_cache_ops *cache_ops; 703 struct mutex cache_rw_mutex; 704 int val_bytes; 705 706 /* dapm */ 707 struct snd_soc_dapm_context dapm; 708 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ 709 710 #ifdef CONFIG_DEBUG_FS 711 struct dentry *debugfs_codec_root; 712 struct dentry *debugfs_reg; 713 struct dentry *debugfs_dapm; 714 #endif 715 }; 716 717 /* codec driver */ 718 struct snd_soc_codec_driver { 719 720 /* driver ops */ 721 int (*probe)(struct snd_soc_codec *); 722 int (*remove)(struct snd_soc_codec *); 723 int (*suspend)(struct snd_soc_codec *); 724 int (*resume)(struct snd_soc_codec *); 725 726 /* Default control and setup, added after probe() is run */ 727 const struct snd_kcontrol_new *controls; 728 int num_controls; 729 const struct snd_soc_dapm_widget *dapm_widgets; 730 int num_dapm_widgets; 731 const struct snd_soc_dapm_route *dapm_routes; 732 int num_dapm_routes; 733 734 /* codec wide operations */ 735 int (*set_sysclk)(struct snd_soc_codec *codec, 736 int clk_id, int source, unsigned int freq, int dir); 737 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, 738 unsigned int freq_in, unsigned int freq_out); 739 740 /* codec IO */ 741 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 742 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 743 int (*display_register)(struct snd_soc_codec *, char *, 744 size_t, unsigned int); 745 int (*volatile_register)(struct snd_soc_codec *, unsigned int); 746 int (*readable_register)(struct snd_soc_codec *, unsigned int); 747 int (*writable_register)(struct snd_soc_codec *, unsigned int); 748 unsigned int reg_cache_size; 749 short reg_cache_step; 750 short reg_word_size; 751 const void *reg_cache_default; 752 short reg_access_size; 753 const struct snd_soc_reg_access *reg_access_default; 754 enum snd_soc_compress_type compress_type; 755 756 /* codec bias level */ 757 int (*set_bias_level)(struct snd_soc_codec *, 758 enum snd_soc_bias_level level); 759 bool idle_bias_off; 760 761 void (*seq_notifier)(struct snd_soc_dapm_context *, 762 enum snd_soc_dapm_type, int); 763 764 /* codec stream completion event */ 765 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 766 767 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ 768 769 /* probe ordering - for components with runtime dependencies */ 770 int probe_order; 771 int remove_order; 772 }; 773 774 /* SoC platform interface */ 775 struct snd_soc_platform_driver { 776 777 int (*probe)(struct snd_soc_platform *); 778 int (*remove)(struct snd_soc_platform *); 779 int (*suspend)(struct snd_soc_dai *dai); 780 int (*resume)(struct snd_soc_dai *dai); 781 782 /* pcm creation and destruction */ 783 int (*pcm_new)(struct snd_soc_pcm_runtime *); 784 void (*pcm_free)(struct snd_pcm *); 785 786 /* Default control and setup, added after probe() is run */ 787 const struct snd_kcontrol_new *controls; 788 int num_controls; 789 const struct snd_soc_dapm_widget *dapm_widgets; 790 int num_dapm_widgets; 791 const struct snd_soc_dapm_route *dapm_routes; 792 int num_dapm_routes; 793 794 /* 795 * For platform caused delay reporting. 796 * Optional. 797 */ 798 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, 799 struct snd_soc_dai *); 800 801 /* platform stream pcm ops */ 802 struct snd_pcm_ops *ops; 803 804 /* platform stream compress ops */ 805 struct snd_compr_ops *compr_ops; 806 807 /* platform stream completion event */ 808 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 809 810 /* probe ordering - for components with runtime dependencies */ 811 int probe_order; 812 int remove_order; 813 814 /* platform IO - used for platform DAPM */ 815 unsigned int (*read)(struct snd_soc_platform *, unsigned int); 816 int (*write)(struct snd_soc_platform *, unsigned int, unsigned int); 817 int (*bespoke_trigger)(struct snd_pcm_substream *, int); 818 }; 819 820 struct snd_soc_platform { 821 const char *name; 822 int id; 823 struct device *dev; 824 struct snd_soc_platform_driver *driver; 825 struct mutex mutex; 826 827 unsigned int suspended:1; /* platform is suspended */ 828 unsigned int probed:1; 829 830 struct snd_soc_card *card; 831 struct list_head list; 832 struct list_head card_list; 833 834 struct snd_soc_dapm_context dapm; 835 836 #ifdef CONFIG_DEBUG_FS 837 struct dentry *debugfs_platform_root; 838 struct dentry *debugfs_dapm; 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; 889 890 /* Do not create a PCM for this DAI link (Backend link) */ 891 unsigned int no_pcm:1; 892 893 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 894 unsigned int dynamic:1; 895 896 /* pmdown_time is ignored at stop */ 897 unsigned int ignore_pmdown_time:1; 898 899 /* codec/machine specific init - e.g. add machine controls */ 900 int (*init)(struct snd_soc_pcm_runtime *rtd); 901 902 /* optional hw_params re-writing for BE and FE sync */ 903 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 904 struct snd_pcm_hw_params *params); 905 906 /* machine stream operations */ 907 struct snd_soc_ops *ops; 908 struct snd_soc_compr_ops *compr_ops; 909 }; 910 911 struct snd_soc_codec_conf { 912 const char *dev_name; 913 914 /* 915 * optional map of kcontrol, widget and path name prefixes that are 916 * associated per device 917 */ 918 const char *name_prefix; 919 920 /* 921 * set this to the desired compression type if you want to 922 * override the one supplied in codec->driver->compress_type 923 */ 924 enum snd_soc_compress_type compress_type; 925 }; 926 927 struct snd_soc_aux_dev { 928 const char *name; /* Codec name */ 929 const char *codec_name; /* for multi-codec */ 930 931 /* codec/machine specific init - e.g. add machine controls */ 932 int (*init)(struct snd_soc_dapm_context *dapm); 933 }; 934 935 /* SoC card */ 936 struct snd_soc_card { 937 const char *name; 938 const char *long_name; 939 const char *driver_name; 940 struct device *dev; 941 struct snd_card *snd_card; 942 struct module *owner; 943 944 struct list_head list; 945 struct mutex mutex; 946 struct mutex dapm_mutex; 947 948 bool instantiated; 949 950 int (*probe)(struct snd_soc_card *card); 951 int (*late_probe)(struct snd_soc_card *card); 952 int (*remove)(struct snd_soc_card *card); 953 954 /* the pre and post PM functions are used to do any PM work before and 955 * after the codec and DAI's do any PM work. */ 956 int (*suspend_pre)(struct snd_soc_card *card); 957 int (*suspend_post)(struct snd_soc_card *card); 958 int (*resume_pre)(struct snd_soc_card *card); 959 int (*resume_post)(struct snd_soc_card *card); 960 961 /* callbacks */ 962 int (*set_bias_level)(struct snd_soc_card *, 963 struct snd_soc_dapm_context *dapm, 964 enum snd_soc_bias_level level); 965 int (*set_bias_level_post)(struct snd_soc_card *, 966 struct snd_soc_dapm_context *dapm, 967 enum snd_soc_bias_level level); 968 969 long pmdown_time; 970 971 /* CPU <--> Codec DAI links */ 972 struct snd_soc_dai_link *dai_link; 973 int num_links; 974 struct snd_soc_pcm_runtime *rtd; 975 int num_rtd; 976 977 /* optional codec specific configuration */ 978 struct snd_soc_codec_conf *codec_conf; 979 int num_configs; 980 981 /* 982 * optional auxiliary devices such as amplifiers or codecs with DAI 983 * link unused 984 */ 985 struct snd_soc_aux_dev *aux_dev; 986 int num_aux_devs; 987 struct snd_soc_pcm_runtime *rtd_aux; 988 int num_aux_rtd; 989 990 const struct snd_kcontrol_new *controls; 991 int num_controls; 992 993 /* 994 * Card-specific routes and widgets. 995 */ 996 const struct snd_soc_dapm_widget *dapm_widgets; 997 int num_dapm_widgets; 998 const struct snd_soc_dapm_route *dapm_routes; 999 int num_dapm_routes; 1000 bool fully_routed; 1001 1002 struct work_struct deferred_resume_work; 1003 1004 /* lists of probed devices belonging to this card */ 1005 struct list_head codec_dev_list; 1006 struct list_head platform_dev_list; 1007 struct list_head dai_dev_list; 1008 1009 struct list_head widgets; 1010 struct list_head paths; 1011 struct list_head dapm_list; 1012 struct list_head dapm_dirty; 1013 1014 /* Generic DAPM context for the card */ 1015 struct snd_soc_dapm_context dapm; 1016 struct snd_soc_dapm_stats dapm_stats; 1017 1018 #ifdef CONFIG_DEBUG_FS 1019 struct dentry *debugfs_card_root; 1020 struct dentry *debugfs_pop_time; 1021 #endif 1022 u32 pop_time; 1023 1024 void *drvdata; 1025 }; 1026 1027 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1028 struct snd_soc_pcm_runtime { 1029 struct device *dev; 1030 struct snd_soc_card *card; 1031 struct snd_soc_dai_link *dai_link; 1032 struct mutex pcm_mutex; 1033 enum snd_soc_pcm_subclass pcm_subclass; 1034 struct snd_pcm_ops ops; 1035 1036 unsigned int dev_registered:1; 1037 1038 /* Dynamic PCM BE runtime data */ 1039 struct snd_soc_dpcm_runtime dpcm[2]; 1040 1041 long pmdown_time; 1042 1043 /* runtime devices */ 1044 struct snd_pcm *pcm; 1045 struct snd_compr *compr; 1046 struct snd_soc_codec *codec; 1047 struct snd_soc_platform *platform; 1048 struct snd_soc_dai *codec_dai; 1049 struct snd_soc_dai *cpu_dai; 1050 1051 struct delayed_work delayed_work; 1052 #ifdef CONFIG_DEBUG_FS 1053 struct dentry *debugfs_dpcm_root; 1054 struct dentry *debugfs_dpcm_state; 1055 #endif 1056 }; 1057 1058 /* mixer control */ 1059 struct soc_mixer_control { 1060 int min, max, platform_max; 1061 unsigned int reg, rreg, shift, rshift, invert; 1062 }; 1063 1064 struct soc_bytes { 1065 int base; 1066 int num_regs; 1067 u32 mask; 1068 }; 1069 1070 /* multi register control */ 1071 struct soc_mreg_control { 1072 long min, max; 1073 unsigned int regbase, regcount, nbits, invert; 1074 }; 1075 1076 /* enumerated kcontrol */ 1077 struct soc_enum { 1078 unsigned short reg; 1079 unsigned short reg2; 1080 unsigned char shift_l; 1081 unsigned char shift_r; 1082 unsigned int max; 1083 unsigned int mask; 1084 const char * const *texts; 1085 const unsigned int *values; 1086 void *dapm; 1087 }; 1088 1089 /* codec IO */ 1090 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); 1091 unsigned int snd_soc_write(struct snd_soc_codec *codec, 1092 unsigned int reg, unsigned int val); 1093 unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, 1094 unsigned int reg, const void *data, size_t len); 1095 1096 /* device driver data */ 1097 1098 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1099 void *data) 1100 { 1101 card->drvdata = data; 1102 } 1103 1104 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1105 { 1106 return card->drvdata; 1107 } 1108 1109 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, 1110 void *data) 1111 { 1112 dev_set_drvdata(codec->dev, data); 1113 } 1114 1115 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) 1116 { 1117 return dev_get_drvdata(codec->dev); 1118 } 1119 1120 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, 1121 void *data) 1122 { 1123 dev_set_drvdata(platform->dev, data); 1124 } 1125 1126 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) 1127 { 1128 return dev_get_drvdata(platform->dev); 1129 } 1130 1131 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd, 1132 void *data) 1133 { 1134 dev_set_drvdata(rtd->dev, data); 1135 } 1136 1137 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) 1138 { 1139 return dev_get_drvdata(rtd->dev); 1140 } 1141 1142 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1143 { 1144 INIT_LIST_HEAD(&card->dai_dev_list); 1145 INIT_LIST_HEAD(&card->codec_dev_list); 1146 INIT_LIST_HEAD(&card->platform_dev_list); 1147 INIT_LIST_HEAD(&card->widgets); 1148 INIT_LIST_HEAD(&card->paths); 1149 INIT_LIST_HEAD(&card->dapm_list); 1150 } 1151 1152 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1153 { 1154 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1155 return 0; 1156 /* 1157 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1158 * mc->reg != mc->rreg means that the control is 1159 * stereo (bits in one register or in two registers) 1160 */ 1161 return 1; 1162 } 1163 1164 int snd_soc_util_init(void); 1165 void snd_soc_util_exit(void); 1166 1167 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1168 const char *propname); 1169 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1170 const char *propname); 1171 1172 #include <sound/soc-dai.h> 1173 1174 #ifdef CONFIG_DEBUG_FS 1175 extern struct dentry *snd_soc_debugfs_root; 1176 #endif 1177 1178 extern const struct dev_pm_ops snd_soc_pm_ops; 1179 1180 #endif 1181