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 #ifdef CONFIG_GPIOLIB 338 struct snd_soc_jack_gpio; 339 #endif 340 341 typedef int (*hw_write_t)(void *,const char* ,int); 342 343 extern struct snd_ac97_bus_ops *soc_ac97_ops; 344 345 enum snd_soc_control_type { 346 SND_SOC_I2C = 1, 347 SND_SOC_SPI, 348 SND_SOC_REGMAP, 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 devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 369 int snd_soc_suspend(struct device *dev); 370 int snd_soc_resume(struct device *dev); 371 int snd_soc_poweroff(struct device *dev); 372 int snd_soc_register_platform(struct device *dev, 373 const struct snd_soc_platform_driver *platform_drv); 374 void snd_soc_unregister_platform(struct device *dev); 375 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, 376 const struct snd_soc_platform_driver *platform_drv); 377 void snd_soc_remove_platform(struct snd_soc_platform *platform); 378 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev); 379 int snd_soc_register_codec(struct device *dev, 380 const struct snd_soc_codec_driver *codec_drv, 381 struct snd_soc_dai_driver *dai_drv, int num_dai); 382 void snd_soc_unregister_codec(struct device *dev); 383 int snd_soc_register_component(struct device *dev, 384 const struct snd_soc_component_driver *cmpnt_drv, 385 struct snd_soc_dai_driver *dai_drv, int num_dai); 386 int devm_snd_soc_register_component(struct device *dev, 387 const struct snd_soc_component_driver *cmpnt_drv, 388 struct snd_soc_dai_driver *dai_drv, int num_dai); 389 void snd_soc_unregister_component(struct device *dev); 390 int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, 391 unsigned int reg); 392 int snd_soc_codec_readable_register(struct snd_soc_codec *codec, 393 unsigned int reg); 394 int snd_soc_codec_writable_register(struct snd_soc_codec *codec, 395 unsigned int reg); 396 int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, 397 int addr_bits, int data_bits, 398 enum snd_soc_control_type control); 399 int snd_soc_cache_sync(struct snd_soc_codec *codec); 400 int snd_soc_cache_init(struct snd_soc_codec *codec); 401 int snd_soc_cache_exit(struct snd_soc_codec *codec); 402 int snd_soc_cache_write(struct snd_soc_codec *codec, 403 unsigned int reg, unsigned int value); 404 int snd_soc_cache_read(struct snd_soc_codec *codec, 405 unsigned int reg, unsigned int *value); 406 int snd_soc_platform_read(struct snd_soc_platform *platform, 407 unsigned int reg); 408 int snd_soc_platform_write(struct snd_soc_platform *platform, 409 unsigned int reg, unsigned int val); 410 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 411 int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 412 413 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, 414 const char *dai_link, int stream); 415 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 416 const char *dai_link); 417 418 /* Utility functions to get clock rates from various things */ 419 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 420 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 421 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 422 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 423 424 /* set runtime hw params */ 425 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 426 const struct snd_pcm_hardware *hw); 427 428 int snd_soc_platform_trigger(struct snd_pcm_substream *substream, 429 int cmd, struct snd_soc_platform *platform); 430 431 /* Jack reporting */ 432 int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type, 433 struct snd_soc_jack *jack); 434 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); 435 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, 436 struct snd_soc_jack_pin *pins); 437 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, 438 struct notifier_block *nb); 439 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, 440 struct notifier_block *nb); 441 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, 442 struct snd_soc_jack_zone *zones); 443 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); 444 #ifdef CONFIG_GPIOLIB 445 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 446 struct snd_soc_jack_gpio *gpios); 447 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 448 struct snd_soc_jack_gpio *gpios); 449 #endif 450 451 /* codec register bit access */ 452 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, 453 unsigned int mask, unsigned int value); 454 int snd_soc_update_bits_locked(struct snd_soc_codec *codec, 455 unsigned short reg, unsigned int mask, 456 unsigned int value); 457 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, 458 unsigned int mask, unsigned int value); 459 460 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, 461 struct snd_ac97_bus_ops *ops, int num); 462 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); 463 464 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 465 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 466 struct platform_device *pdev); 467 468 /* 469 *Controls 470 */ 471 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 472 void *data, const char *long_name, 473 const char *prefix); 474 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, 475 const char *name); 476 int snd_soc_add_codec_controls(struct snd_soc_codec *codec, 477 const struct snd_kcontrol_new *controls, int num_controls); 478 int snd_soc_add_platform_controls(struct snd_soc_platform *platform, 479 const struct snd_kcontrol_new *controls, int num_controls); 480 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 481 const struct snd_kcontrol_new *controls, int num_controls); 482 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 483 const struct snd_kcontrol_new *controls, int num_controls); 484 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 485 struct snd_ctl_elem_info *uinfo); 486 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 487 struct snd_ctl_elem_value *ucontrol); 488 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 489 struct snd_ctl_elem_value *ucontrol); 490 int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, 491 struct snd_ctl_elem_value *ucontrol); 492 int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, 493 struct snd_ctl_elem_value *ucontrol); 494 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 495 struct snd_ctl_elem_info *uinfo); 496 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 497 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 498 struct snd_ctl_elem_value *ucontrol); 499 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 500 struct snd_ctl_elem_value *ucontrol); 501 #define snd_soc_get_volsw_2r snd_soc_get_volsw 502 #define snd_soc_put_volsw_2r snd_soc_put_volsw 503 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 504 struct snd_ctl_elem_value *ucontrol); 505 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 506 struct snd_ctl_elem_value *ucontrol); 507 int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, 508 struct snd_ctl_elem_info *uinfo); 509 int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, 510 struct snd_ctl_elem_value *ucontrol); 511 int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, 512 struct snd_ctl_elem_value *ucontrol); 513 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 514 struct snd_ctl_elem_info *uinfo); 515 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 516 struct snd_ctl_elem_value *ucontrol); 517 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 518 struct snd_ctl_elem_value *ucontrol); 519 int snd_soc_limit_volume(struct snd_soc_codec *codec, 520 const char *name, int max); 521 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 522 struct snd_ctl_elem_info *uinfo); 523 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 524 struct snd_ctl_elem_value *ucontrol); 525 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 526 struct snd_ctl_elem_value *ucontrol); 527 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 528 struct snd_ctl_elem_info *uinfo); 529 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 530 struct snd_ctl_elem_value *ucontrol); 531 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 532 struct snd_ctl_elem_value *ucontrol); 533 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 534 struct snd_ctl_elem_value *ucontrol); 535 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 536 struct snd_ctl_elem_value *ucontrol); 537 538 /** 539 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection 540 * 541 * @pin: name of the pin to update 542 * @mask: bits to check for in reported jack status 543 * @invert: if non-zero then pin is enabled when status is not reported 544 */ 545 struct snd_soc_jack_pin { 546 struct list_head list; 547 const char *pin; 548 int mask; 549 bool invert; 550 }; 551 552 /** 553 * struct snd_soc_jack_zone - Describes voltage zones of jack detection 554 * 555 * @min_mv: start voltage in mv 556 * @max_mv: end voltage in mv 557 * @jack_type: type of jack that is expected for this voltage 558 * @debounce_time: debounce_time for jack, codec driver should wait for this 559 * duration before reading the adc for voltages 560 * @:list: list container 561 */ 562 struct snd_soc_jack_zone { 563 unsigned int min_mv; 564 unsigned int max_mv; 565 unsigned int jack_type; 566 unsigned int debounce_time; 567 struct list_head list; 568 }; 569 570 /** 571 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection 572 * 573 * @gpio: gpio number 574 * @name: gpio name 575 * @report: value to report when jack detected 576 * @invert: report presence in low state 577 * @debouce_time: debouce time in ms 578 * @wake: enable as wake source 579 * @jack_status_check: callback function which overrides the detection 580 * to provide more complex checks (eg, reading an 581 * ADC). 582 */ 583 #ifdef CONFIG_GPIOLIB 584 struct snd_soc_jack_gpio { 585 unsigned int gpio; 586 const char *name; 587 int report; 588 int invert; 589 int debounce_time; 590 bool wake; 591 592 struct snd_soc_jack *jack; 593 struct delayed_work work; 594 595 int (*jack_status_check)(void); 596 }; 597 #endif 598 599 struct snd_soc_jack { 600 struct mutex mutex; 601 struct snd_jack *jack; 602 struct snd_soc_codec *codec; 603 struct list_head pins; 604 int status; 605 struct blocking_notifier_head notifier; 606 struct list_head jack_zones; 607 }; 608 609 /* SoC PCM stream information */ 610 struct snd_soc_pcm_stream { 611 const char *stream_name; 612 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 613 unsigned int rates; /* SNDRV_PCM_RATE_* */ 614 unsigned int rate_min; /* min rate */ 615 unsigned int rate_max; /* max rate */ 616 unsigned int channels_min; /* min channels */ 617 unsigned int channels_max; /* max channels */ 618 unsigned int sig_bits; /* number of bits of content */ 619 }; 620 621 /* SoC audio ops */ 622 struct snd_soc_ops { 623 int (*startup)(struct snd_pcm_substream *); 624 void (*shutdown)(struct snd_pcm_substream *); 625 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 626 int (*hw_free)(struct snd_pcm_substream *); 627 int (*prepare)(struct snd_pcm_substream *); 628 int (*trigger)(struct snd_pcm_substream *, int); 629 }; 630 631 struct snd_soc_compr_ops { 632 int (*startup)(struct snd_compr_stream *); 633 void (*shutdown)(struct snd_compr_stream *); 634 int (*set_params)(struct snd_compr_stream *); 635 int (*trigger)(struct snd_compr_stream *); 636 }; 637 638 /* component interface */ 639 struct snd_soc_component_driver { 640 const char *name; 641 642 /* DT */ 643 int (*of_xlate_dai_name)(struct snd_soc_component *component, 644 struct of_phandle_args *args, 645 const char **dai_name); 646 }; 647 648 struct snd_soc_component { 649 const char *name; 650 int id; 651 struct device *dev; 652 struct list_head list; 653 654 struct snd_soc_dai_driver *dai_drv; 655 int num_dai; 656 657 const struct snd_soc_component_driver *driver; 658 }; 659 660 /* SoC Audio Codec device */ 661 struct snd_soc_codec { 662 const char *name; 663 const char *name_prefix; 664 int id; 665 struct device *dev; 666 const struct snd_soc_codec_driver *driver; 667 668 struct mutex mutex; 669 struct snd_soc_card *card; 670 struct list_head list; 671 struct list_head card_list; 672 int num_dai; 673 int (*volatile_register)(struct snd_soc_codec *, unsigned int); 674 int (*readable_register)(struct snd_soc_codec *, unsigned int); 675 int (*writable_register)(struct snd_soc_codec *, unsigned int); 676 677 /* runtime */ 678 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ 679 unsigned int active; 680 unsigned int cache_bypass:1; /* Suppress access to the cache */ 681 unsigned int suspended:1; /* Codec is in suspend PM state */ 682 unsigned int probed:1; /* Codec has been probed */ 683 unsigned int ac97_registered:1; /* Codec has been AC97 registered */ 684 unsigned int ac97_created:1; /* Codec has been created by SoC */ 685 unsigned int cache_init:1; /* codec cache has been initialized */ 686 unsigned int using_regmap:1; /* using regmap access */ 687 u32 cache_only; /* Suppress writes to hardware */ 688 u32 cache_sync; /* Cache needs to be synced to hardware */ 689 690 /* codec IO */ 691 void *control_data; /* codec control (i2c/3wire) data */ 692 hw_write_t hw_write; 693 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int); 694 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 695 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 696 void *reg_cache; 697 struct mutex cache_rw_mutex; 698 int val_bytes; 699 700 /* component */ 701 struct snd_soc_component component; 702 703 /* dapm */ 704 struct snd_soc_dapm_context dapm; 705 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ 706 707 #ifdef CONFIG_DEBUG_FS 708 struct dentry *debugfs_codec_root; 709 struct dentry *debugfs_reg; 710 #endif 711 }; 712 713 /* codec driver */ 714 struct snd_soc_codec_driver { 715 716 /* driver ops */ 717 int (*probe)(struct snd_soc_codec *); 718 int (*remove)(struct snd_soc_codec *); 719 int (*suspend)(struct snd_soc_codec *); 720 int (*resume)(struct snd_soc_codec *); 721 struct snd_soc_component_driver component_driver; 722 723 /* Default control and setup, added after probe() is run */ 724 const struct snd_kcontrol_new *controls; 725 int num_controls; 726 const struct snd_soc_dapm_widget *dapm_widgets; 727 int num_dapm_widgets; 728 const struct snd_soc_dapm_route *dapm_routes; 729 int num_dapm_routes; 730 731 /* codec wide operations */ 732 int (*set_sysclk)(struct snd_soc_codec *codec, 733 int clk_id, int source, unsigned int freq, int dir); 734 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, 735 unsigned int freq_in, unsigned int freq_out); 736 737 /* codec IO */ 738 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 739 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); 740 int (*display_register)(struct snd_soc_codec *, char *, 741 size_t, unsigned int); 742 int (*volatile_register)(struct snd_soc_codec *, unsigned int); 743 int (*readable_register)(struct snd_soc_codec *, unsigned int); 744 int (*writable_register)(struct snd_soc_codec *, unsigned int); 745 unsigned int reg_cache_size; 746 short reg_cache_step; 747 short reg_word_size; 748 const void *reg_cache_default; 749 750 /* codec bias level */ 751 int (*set_bias_level)(struct snd_soc_codec *, 752 enum snd_soc_bias_level level); 753 bool idle_bias_off; 754 755 void (*seq_notifier)(struct snd_soc_dapm_context *, 756 enum snd_soc_dapm_type, int); 757 758 /* codec stream completion event */ 759 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 760 761 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ 762 763 /* probe ordering - for components with runtime dependencies */ 764 int probe_order; 765 int remove_order; 766 }; 767 768 /* SoC platform interface */ 769 struct snd_soc_platform_driver { 770 771 int (*probe)(struct snd_soc_platform *); 772 int (*remove)(struct snd_soc_platform *); 773 int (*suspend)(struct snd_soc_dai *dai); 774 int (*resume)(struct snd_soc_dai *dai); 775 776 /* pcm creation and destruction */ 777 int (*pcm_new)(struct snd_soc_pcm_runtime *); 778 void (*pcm_free)(struct snd_pcm *); 779 780 /* Default control and setup, added after probe() is run */ 781 const struct snd_kcontrol_new *controls; 782 int num_controls; 783 const struct snd_soc_dapm_widget *dapm_widgets; 784 int num_dapm_widgets; 785 const struct snd_soc_dapm_route *dapm_routes; 786 int num_dapm_routes; 787 788 /* 789 * For platform caused delay reporting. 790 * Optional. 791 */ 792 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, 793 struct snd_soc_dai *); 794 795 /* platform stream pcm ops */ 796 const struct snd_pcm_ops *ops; 797 798 /* platform stream compress ops */ 799 const struct snd_compr_ops *compr_ops; 800 801 /* platform stream completion event */ 802 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 803 804 /* probe ordering - for components with runtime dependencies */ 805 int probe_order; 806 int remove_order; 807 808 /* platform IO - used for platform DAPM */ 809 unsigned int (*read)(struct snd_soc_platform *, unsigned int); 810 int (*write)(struct snd_soc_platform *, unsigned int, unsigned int); 811 int (*bespoke_trigger)(struct snd_pcm_substream *, int); 812 }; 813 814 struct snd_soc_platform { 815 const char *name; 816 int id; 817 struct device *dev; 818 const struct snd_soc_platform_driver *driver; 819 struct mutex mutex; 820 821 unsigned int suspended:1; /* platform is suspended */ 822 unsigned int probed:1; 823 824 struct snd_soc_card *card; 825 struct list_head list; 826 struct list_head card_list; 827 828 struct snd_soc_dapm_context dapm; 829 830 #ifdef CONFIG_DEBUG_FS 831 struct dentry *debugfs_platform_root; 832 #endif 833 }; 834 835 struct snd_soc_dai_link { 836 /* config - must be set by machine driver */ 837 const char *name; /* Codec name */ 838 const char *stream_name; /* Stream name */ 839 /* 840 * You MAY specify the link's CPU-side device, either by device name, 841 * or by DT/OF node, but not both. If this information is omitted, 842 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 843 * must be globally unique. These fields are currently typically used 844 * only for codec to codec links, or systems using device tree. 845 */ 846 const char *cpu_name; 847 const struct device_node *cpu_of_node; 848 /* 849 * You MAY specify the DAI name of the CPU DAI. If this information is 850 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 851 * only, which only works well when that device exposes a single DAI. 852 */ 853 const char *cpu_dai_name; 854 /* 855 * You MUST specify the link's codec, either by device name, or by 856 * DT/OF node, but not both. 857 */ 858 const char *codec_name; 859 const struct device_node *codec_of_node; 860 /* You MUST specify the DAI name within the codec */ 861 const char *codec_dai_name; 862 /* 863 * You MAY specify the link's platform/PCM/DMA driver, either by 864 * device name, or by DT/OF node, but not both. Some forms of link 865 * do not need a platform. 866 */ 867 const char *platform_name; 868 const struct device_node *platform_of_node; 869 int be_id; /* optional ID for machine driver BE identification */ 870 871 const struct snd_soc_pcm_stream *params; 872 873 unsigned int dai_fmt; /* format to set on init */ 874 875 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 876 877 /* Keep DAI active over suspend */ 878 unsigned int ignore_suspend:1; 879 880 /* Symmetry requirements */ 881 unsigned int symmetric_rates:1; 882 883 /* Do not create a PCM for this DAI link (Backend link) */ 884 unsigned int no_pcm:1; 885 886 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 887 unsigned int dynamic:1; 888 889 /* pmdown_time is ignored at stop */ 890 unsigned int ignore_pmdown_time:1; 891 892 /* codec/machine specific init - e.g. add machine controls */ 893 int (*init)(struct snd_soc_pcm_runtime *rtd); 894 895 /* optional hw_params re-writing for BE and FE sync */ 896 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 897 struct snd_pcm_hw_params *params); 898 899 /* machine stream operations */ 900 const struct snd_soc_ops *ops; 901 const struct snd_soc_compr_ops *compr_ops; 902 903 /* For unidirectional dai links */ 904 bool playback_only; 905 bool capture_only; 906 }; 907 908 struct snd_soc_codec_conf { 909 const char *dev_name; 910 911 /* 912 * optional map of kcontrol, widget and path name prefixes that are 913 * associated per device 914 */ 915 const char *name_prefix; 916 }; 917 918 struct snd_soc_aux_dev { 919 const char *name; /* Codec name */ 920 const char *codec_name; /* for multi-codec */ 921 922 /* codec/machine specific init - e.g. add machine controls */ 923 int (*init)(struct snd_soc_dapm_context *dapm); 924 }; 925 926 /* SoC card */ 927 struct snd_soc_card { 928 const char *name; 929 const char *long_name; 930 const char *driver_name; 931 struct device *dev; 932 struct snd_card *snd_card; 933 struct module *owner; 934 935 struct list_head list; 936 struct mutex mutex; 937 struct mutex dapm_mutex; 938 939 bool instantiated; 940 941 int (*probe)(struct snd_soc_card *card); 942 int (*late_probe)(struct snd_soc_card *card); 943 int (*remove)(struct snd_soc_card *card); 944 945 /* the pre and post PM functions are used to do any PM work before and 946 * after the codec and DAI's do any PM work. */ 947 int (*suspend_pre)(struct snd_soc_card *card); 948 int (*suspend_post)(struct snd_soc_card *card); 949 int (*resume_pre)(struct snd_soc_card *card); 950 int (*resume_post)(struct snd_soc_card *card); 951 952 /* callbacks */ 953 int (*set_bias_level)(struct snd_soc_card *, 954 struct snd_soc_dapm_context *dapm, 955 enum snd_soc_bias_level level); 956 int (*set_bias_level_post)(struct snd_soc_card *, 957 struct snd_soc_dapm_context *dapm, 958 enum snd_soc_bias_level level); 959 960 long pmdown_time; 961 962 /* CPU <--> Codec DAI links */ 963 struct snd_soc_dai_link *dai_link; 964 int num_links; 965 struct snd_soc_pcm_runtime *rtd; 966 int num_rtd; 967 968 /* optional codec specific configuration */ 969 struct snd_soc_codec_conf *codec_conf; 970 int num_configs; 971 972 /* 973 * optional auxiliary devices such as amplifiers or codecs with DAI 974 * link unused 975 */ 976 struct snd_soc_aux_dev *aux_dev; 977 int num_aux_devs; 978 struct snd_soc_pcm_runtime *rtd_aux; 979 int num_aux_rtd; 980 981 const struct snd_kcontrol_new *controls; 982 int num_controls; 983 984 /* 985 * Card-specific routes and widgets. 986 */ 987 const struct snd_soc_dapm_widget *dapm_widgets; 988 int num_dapm_widgets; 989 const struct snd_soc_dapm_route *dapm_routes; 990 int num_dapm_routes; 991 bool fully_routed; 992 993 struct work_struct deferred_resume_work; 994 995 /* lists of probed devices belonging to this card */ 996 struct list_head codec_dev_list; 997 struct list_head platform_dev_list; 998 struct list_head dai_dev_list; 999 1000 struct list_head widgets; 1001 struct list_head paths; 1002 struct list_head dapm_list; 1003 struct list_head dapm_dirty; 1004 1005 /* Generic DAPM context for the card */ 1006 struct snd_soc_dapm_context dapm; 1007 struct snd_soc_dapm_stats dapm_stats; 1008 struct snd_soc_dapm_update *update; 1009 1010 #ifdef CONFIG_DEBUG_FS 1011 struct dentry *debugfs_card_root; 1012 struct dentry *debugfs_pop_time; 1013 #endif 1014 u32 pop_time; 1015 1016 void *drvdata; 1017 }; 1018 1019 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1020 struct snd_soc_pcm_runtime { 1021 struct device *dev; 1022 struct snd_soc_card *card; 1023 struct snd_soc_dai_link *dai_link; 1024 struct mutex pcm_mutex; 1025 enum snd_soc_pcm_subclass pcm_subclass; 1026 struct snd_pcm_ops ops; 1027 1028 unsigned int dev_registered:1; 1029 1030 /* Dynamic PCM BE runtime data */ 1031 struct snd_soc_dpcm_runtime dpcm[2]; 1032 1033 long pmdown_time; 1034 unsigned char pop_wait:1; 1035 1036 /* runtime devices */ 1037 struct snd_pcm *pcm; 1038 struct snd_compr *compr; 1039 struct snd_soc_codec *codec; 1040 struct snd_soc_platform *platform; 1041 struct snd_soc_dai *codec_dai; 1042 struct snd_soc_dai *cpu_dai; 1043 1044 struct delayed_work delayed_work; 1045 #ifdef CONFIG_DEBUG_FS 1046 struct dentry *debugfs_dpcm_root; 1047 struct dentry *debugfs_dpcm_state; 1048 #endif 1049 }; 1050 1051 /* mixer control */ 1052 struct soc_mixer_control { 1053 int min, max, platform_max; 1054 int reg, rreg; 1055 unsigned int shift, rshift; 1056 unsigned int invert:1; 1057 unsigned int autodisable:1; 1058 }; 1059 1060 struct soc_bytes { 1061 int base; 1062 int num_regs; 1063 u32 mask; 1064 }; 1065 1066 /* multi register control */ 1067 struct soc_mreg_control { 1068 long min, max; 1069 unsigned int regbase, regcount, nbits, invert; 1070 }; 1071 1072 /* enumerated kcontrol */ 1073 struct soc_enum { 1074 unsigned short reg; 1075 unsigned short reg2; 1076 unsigned char shift_l; 1077 unsigned char shift_r; 1078 unsigned int max; 1079 unsigned int mask; 1080 const char * const *texts; 1081 const unsigned int *values; 1082 }; 1083 1084 /* codec IO */ 1085 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); 1086 unsigned int snd_soc_write(struct snd_soc_codec *codec, 1087 unsigned int reg, unsigned int val); 1088 1089 /* device driver data */ 1090 1091 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1092 void *data) 1093 { 1094 card->drvdata = data; 1095 } 1096 1097 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1098 { 1099 return card->drvdata; 1100 } 1101 1102 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, 1103 void *data) 1104 { 1105 dev_set_drvdata(codec->dev, data); 1106 } 1107 1108 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) 1109 { 1110 return dev_get_drvdata(codec->dev); 1111 } 1112 1113 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, 1114 void *data) 1115 { 1116 dev_set_drvdata(platform->dev, data); 1117 } 1118 1119 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) 1120 { 1121 return dev_get_drvdata(platform->dev); 1122 } 1123 1124 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd, 1125 void *data) 1126 { 1127 dev_set_drvdata(rtd->dev, data); 1128 } 1129 1130 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) 1131 { 1132 return dev_get_drvdata(rtd->dev); 1133 } 1134 1135 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1136 { 1137 INIT_LIST_HEAD(&card->dai_dev_list); 1138 INIT_LIST_HEAD(&card->codec_dev_list); 1139 INIT_LIST_HEAD(&card->platform_dev_list); 1140 INIT_LIST_HEAD(&card->widgets); 1141 INIT_LIST_HEAD(&card->paths); 1142 INIT_LIST_HEAD(&card->dapm_list); 1143 } 1144 1145 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1146 { 1147 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1148 return 0; 1149 /* 1150 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1151 * mc->reg != mc->rreg means that the control is 1152 * stereo (bits in one register or in two registers) 1153 */ 1154 return 1; 1155 } 1156 1157 int snd_soc_util_init(void); 1158 void snd_soc_util_exit(void); 1159 1160 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1161 const char *propname); 1162 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1163 const char *propname); 1164 unsigned int snd_soc_of_parse_daifmt(struct device_node *np, 1165 const char *prefix); 1166 int snd_soc_of_get_dai_name(struct device_node *of_node, 1167 const char **dai_name); 1168 1169 #include <sound/soc-dai.h> 1170 1171 #ifdef CONFIG_DEBUG_FS 1172 extern struct dentry *snd_soc_debugfs_root; 1173 #endif 1174 1175 extern const struct dev_pm_ops snd_soc_pm_ops; 1176 1177 #endif 1178