1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * linux/sound/soc.h -- ALSA SoC Layer 4 * 5 * Author: Liam Girdwood 6 * Created: Aug 11th 2005 7 * Copyright: Wolfson Microelectronics. PLC. 8 */ 9 10 #ifndef __LINUX_SND_SOC_H 11 #define __LINUX_SND_SOC_H 12 13 #include <linux/of.h> 14 #include <linux/platform_device.h> 15 #include <linux/types.h> 16 #include <linux/notifier.h> 17 #include <linux/workqueue.h> 18 #include <linux/interrupt.h> 19 #include <linux/kernel.h> 20 #include <linux/regmap.h> 21 #include <linux/log2.h> 22 #include <sound/core.h> 23 #include <sound/pcm.h> 24 #include <sound/compress_driver.h> 25 #include <sound/control.h> 26 #include <sound/ac97_codec.h> 27 28 /* 29 * Convenience kcontrol builders 30 */ 31 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \ 32 ((unsigned long)&(struct soc_mixer_control) \ 33 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 34 .rshift = shift_right, .max = xmax, .platform_max = xmax, \ 35 .invert = xinvert, .autodisable = xautodisable}) 36 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \ 37 ((unsigned long)&(struct soc_mixer_control) \ 38 {.reg = xreg, .rreg = xreg, .shift = shift_left, \ 39 .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \ 40 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable}) 41 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \ 42 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable) 43 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ 44 ((unsigned long)&(struct soc_mixer_control) \ 45 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert}) 46 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ 47 ((unsigned long)&(struct soc_mixer_control) \ 48 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 49 .max = xmax, .platform_max = xmax, .invert = xinvert}) 50 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ 51 ((unsigned long)&(struct soc_mixer_control) \ 52 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 53 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \ 54 .invert = xinvert}) 55 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ 56 ((unsigned long)&(struct soc_mixer_control) \ 57 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ 58 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert}) 59 #define SOC_SINGLE(xname, reg, shift, max, invert) \ 60 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 61 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 62 .put = snd_soc_put_volsw, \ 63 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 64 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ 65 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 66 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ 67 .put = snd_soc_put_volsw_range, \ 68 .private_value = (unsigned long)&(struct soc_mixer_control) \ 69 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 70 .rshift = xshift, .min = xmin, .max = xmax, \ 71 .platform_max = xmax, .invert = xinvert} } 72 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, 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, .get = snd_soc_get_volsw,\ 78 .put = snd_soc_put_volsw, \ 79 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 80 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ 81 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 82 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 83 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 84 .tlv.p = (tlv_array),\ 85 .info = snd_soc_info_volsw_sx, \ 86 .get = snd_soc_get_volsw_sx,\ 87 .put = snd_soc_put_volsw_sx, \ 88 .private_value = (unsigned long)&(struct soc_mixer_control) \ 89 {.reg = xreg, .rreg = xreg, \ 90 .shift = xshift, .rshift = xshift, \ 91 .max = xmax, .min = xmin} } 92 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ 93 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 94 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 95 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 96 .tlv.p = (tlv_array), \ 97 .info = snd_soc_info_volsw_range, \ 98 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 99 .private_value = (unsigned long)&(struct soc_mixer_control) \ 100 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 101 .rshift = xshift, .min = xmin, .max = xmax, \ 102 .platform_max = xmax, .invert = xinvert} } 103 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ 104 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 105 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 106 .put = snd_soc_put_volsw, \ 107 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 108 max, invert, 0) } 109 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \ 110 { \ 111 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 112 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 113 .access = SNDRV_CTL_ELEM_ACCESS_READ | \ 114 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ 115 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 116 max, invert, 0) } 117 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ 118 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 119 .info = snd_soc_info_volsw, \ 120 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 121 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 122 xmax, xinvert) } 123 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ 124 xmax, xinvert) \ 125 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 126 .info = snd_soc_info_volsw_range, \ 127 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 128 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 129 xshift, xmin, xmax, xinvert) } 130 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ 131 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 132 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 133 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 134 .tlv.p = (tlv_array), \ 135 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ 136 .put = snd_soc_put_volsw, \ 137 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ 138 max, invert, 0) } 139 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ 140 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 141 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 142 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 143 .tlv.p = (tlv_array), \ 144 .info = snd_soc_info_volsw, \ 145 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 146 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 147 xmax, xinvert) } 148 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ 149 xmax, xinvert, tlv_array) \ 150 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 151 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 152 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 153 .tlv.p = (tlv_array), \ 154 .info = snd_soc_info_volsw_range, \ 155 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ 156 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ 157 xshift, xmin, xmax, xinvert) } 158 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ 159 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 160 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 161 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 162 .tlv.p = (tlv_array), \ 163 .info = snd_soc_info_volsw_sx, \ 164 .get = snd_soc_get_volsw_sx, \ 165 .put = snd_soc_put_volsw_sx, \ 166 .private_value = (unsigned long)&(struct soc_mixer_control) \ 167 {.reg = xreg, .rreg = xrreg, \ 168 .shift = xshift, .rshift = xshift, \ 169 .max = xmax, .min = xmin} } 170 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ 171 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 172 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 173 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 174 .tlv.p = (tlv_array), \ 175 .info = snd_soc_info_volsw, \ 176 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ 177 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ 178 xmin, xmax, xsign_bit, xinvert) } 179 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 180 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 181 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 182 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 183 .tlv.p = (tlv_array), \ 184 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 185 .put = snd_soc_put_volsw, \ 186 .private_value = (unsigned long)&(struct soc_mixer_control) \ 187 {.reg = xreg, .rreg = xreg, \ 188 .min = xmin, .max = xmax, .platform_max = xmax, \ 189 .sign_bit = 7,} } 190 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ 191 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 192 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 193 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 194 .tlv.p = (tlv_array), \ 195 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 196 .put = snd_soc_put_volsw, \ 197 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) } 198 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ 199 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 200 .items = xitems, .texts = xtexts, \ 201 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} 202 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ 203 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) 204 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ 205 { .items = xitems, .texts = xtexts } 206 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \ 207 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ 208 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} 209 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 210 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues) 211 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ 212 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \ 213 .mask = xmask, .items = xitems, .texts = xtexts, \ 214 .values = xvalues, .autodisable = 1} 215 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ 216 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) 217 #define SOC_ENUM(xname, xenum) \ 218 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ 219 .info = snd_soc_info_enum_double, \ 220 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ 221 .private_value = (unsigned long)&xenum } 222 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ 223 xhandler_get, xhandler_put) \ 224 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 225 .info = snd_soc_info_volsw, \ 226 .get = xhandler_get, .put = xhandler_put, \ 227 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 228 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ 229 xhandler_get, xhandler_put) \ 230 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 231 .info = snd_soc_info_volsw, \ 232 .get = xhandler_get, .put = xhandler_put, \ 233 .private_value = \ 234 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) } 235 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 236 xhandler_get, xhandler_put) \ 237 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 238 .info = snd_soc_info_volsw, \ 239 .get = xhandler_get, .put = xhandler_put, \ 240 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 241 xmax, xinvert) } 242 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ 243 xhandler_get, xhandler_put, tlv_array) \ 244 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 245 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 246 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 247 .tlv.p = (tlv_array), \ 248 .info = snd_soc_info_volsw, \ 249 .get = xhandler_get, .put = xhandler_put, \ 250 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } 251 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ 252 xhandler_get, xhandler_put, tlv_array) \ 253 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ 254 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 255 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 256 .tlv.p = (tlv_array), \ 257 .info = snd_soc_info_volsw_range, \ 258 .get = xhandler_get, .put = xhandler_put, \ 259 .private_value = (unsigned long)&(struct soc_mixer_control) \ 260 {.reg = xreg, .rreg = xreg, .shift = xshift, \ 261 .rshift = xshift, .min = xmin, .max = xmax, \ 262 .platform_max = xmax, .invert = xinvert} } 263 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ 264 xhandler_get, xhandler_put, tlv_array) \ 265 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 266 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 267 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 268 .tlv.p = (tlv_array), \ 269 .info = snd_soc_info_volsw, \ 270 .get = xhandler_get, .put = xhandler_put, \ 271 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ 272 xmax, xinvert, 0) } 273 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 274 xhandler_get, xhandler_put, tlv_array) \ 275 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 276 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 277 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 278 .tlv.p = (tlv_array), \ 279 .info = snd_soc_info_volsw, \ 280 .get = xhandler_get, .put = xhandler_put, \ 281 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 282 xmax, xinvert) } 283 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ 284 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 285 .info = snd_soc_info_bool_ext, \ 286 .get = xhandler_get, .put = xhandler_put, \ 287 .private_value = xdata } 288 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 289 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 290 .info = snd_soc_info_enum_double, \ 291 .get = xhandler_get, .put = xhandler_put, \ 292 .private_value = (unsigned long)&xenum } 293 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ 294 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) 295 296 #define SND_SOC_BYTES(xname, xbase, xregs) \ 297 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 298 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 299 .put = snd_soc_bytes_put, .private_value = \ 300 ((unsigned long)&(struct soc_bytes) \ 301 {.base = xbase, .num_regs = xregs }) } 302 303 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ 304 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 305 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ 306 .put = snd_soc_bytes_put, .private_value = \ 307 ((unsigned long)&(struct soc_bytes) \ 308 {.base = xbase, .num_regs = xregs, \ 309 .mask = xmask }) } 310 311 /* 312 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead 313 */ 314 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ 315 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 316 .info = snd_soc_bytes_info_ext, \ 317 .get = xhandler_get, .put = xhandler_put, \ 318 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 319 {.max = xcount} } 320 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ 321 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 322 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ 323 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 324 .tlv.c = (snd_soc_bytes_tlv_callback), \ 325 .info = snd_soc_bytes_info_ext, \ 326 .private_value = (unsigned long)&(struct soc_bytes_ext) \ 327 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } 328 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ 329 xmin, xmax, xinvert) \ 330 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 331 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ 332 .put = snd_soc_put_xr_sx, \ 333 .private_value = (unsigned long)&(struct soc_mreg_control) \ 334 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ 335 .invert = xinvert, .min = xmin, .max = xmax} } 336 337 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ 338 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ 339 snd_soc_get_strobe, snd_soc_put_strobe) 340 341 /* 342 * Simplified versions of above macros, declaring a struct and calculating 343 * ARRAY_SIZE internally 344 */ 345 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ 346 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ 347 ARRAY_SIZE(xtexts), xtexts) 348 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ 349 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) 350 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ 351 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) 352 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ 353 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ 354 ARRAY_SIZE(xtexts), xtexts, xvalues) 355 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 356 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) 357 358 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ 359 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ 360 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) 361 362 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ 363 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) 364 365 /* 366 * Component probe and remove ordering levels for components with runtime 367 * dependencies. 368 */ 369 #define SND_SOC_COMP_ORDER_FIRST -2 370 #define SND_SOC_COMP_ORDER_EARLY -1 371 #define SND_SOC_COMP_ORDER_NORMAL 0 372 #define SND_SOC_COMP_ORDER_LATE 1 373 #define SND_SOC_COMP_ORDER_LAST 2 374 375 #define for_each_comp_order(order) \ 376 for (order = SND_SOC_COMP_ORDER_FIRST; \ 377 order <= SND_SOC_COMP_ORDER_LAST; \ 378 order++) 379 380 /* 381 * Bias levels 382 * 383 * @ON: Bias is fully on for audio playback and capture operations. 384 * @PREPARE: Prepare for audio operations. Called before DAPM switching for 385 * stream start and stop operations. 386 * @STANDBY: Low power standby state when no playback/capture operations are 387 * in progress. NOTE: The transition time between STANDBY and ON 388 * should be as fast as possible and no longer than 10ms. 389 * @OFF: Power Off. No restrictions on transition times. 390 */ 391 enum snd_soc_bias_level { 392 SND_SOC_BIAS_OFF = 0, 393 SND_SOC_BIAS_STANDBY = 1, 394 SND_SOC_BIAS_PREPARE = 2, 395 SND_SOC_BIAS_ON = 3, 396 }; 397 398 struct device_node; 399 struct snd_jack; 400 struct snd_soc_card; 401 struct snd_soc_pcm_stream; 402 struct snd_soc_ops; 403 struct snd_soc_pcm_runtime; 404 struct snd_soc_dai; 405 struct snd_soc_dai_driver; 406 struct snd_soc_dai_link; 407 struct snd_soc_component; 408 struct snd_soc_component_driver; 409 struct soc_enum; 410 struct snd_soc_jack; 411 struct snd_soc_jack_zone; 412 struct snd_soc_jack_pin; 413 #include <sound/soc-dapm.h> 414 #include <sound/soc-dpcm.h> 415 #include <sound/soc-topology.h> 416 417 struct snd_soc_jack_gpio; 418 419 typedef int (*hw_write_t)(void *,const char* ,int); 420 421 enum snd_soc_pcm_subclass { 422 SND_SOC_PCM_CLASS_PCM = 0, 423 SND_SOC_PCM_CLASS_BE = 1, 424 }; 425 426 enum snd_soc_card_subclass { 427 SND_SOC_CARD_CLASS_INIT = 0, 428 SND_SOC_CARD_CLASS_RUNTIME = 1, 429 }; 430 431 int snd_soc_register_card(struct snd_soc_card *card); 432 int snd_soc_unregister_card(struct snd_soc_card *card); 433 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 434 #ifdef CONFIG_PM_SLEEP 435 int snd_soc_suspend(struct device *dev); 436 int snd_soc_resume(struct device *dev); 437 #else 438 static inline int snd_soc_suspend(struct device *dev) 439 { 440 return 0; 441 } 442 443 static inline int snd_soc_resume(struct device *dev) 444 { 445 return 0; 446 } 447 #endif 448 int snd_soc_poweroff(struct device *dev); 449 int snd_soc_add_component(struct device *dev, 450 struct snd_soc_component *component, 451 const struct snd_soc_component_driver *component_driver, 452 struct snd_soc_dai_driver *dai_drv, 453 int num_dai); 454 int snd_soc_register_component(struct device *dev, 455 const struct snd_soc_component_driver *component_driver, 456 struct snd_soc_dai_driver *dai_drv, int num_dai); 457 int devm_snd_soc_register_component(struct device *dev, 458 const struct snd_soc_component_driver *component_driver, 459 struct snd_soc_dai_driver *dai_drv, int num_dai); 460 void snd_soc_unregister_component(struct device *dev); 461 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 462 const char *driver_name); 463 464 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 465 #ifdef CONFIG_SND_SOC_COMPRESS 466 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 467 #else 468 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) 469 { 470 return 0; 471 } 472 #endif 473 474 void snd_soc_disconnect_sync(struct device *dev); 475 476 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, 477 const char *dai_link, int stream); 478 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 479 const char *dai_link); 480 481 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 482 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); 483 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); 484 485 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 486 unsigned int dai_fmt); 487 488 #ifdef CONFIG_DMI 489 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); 490 #else 491 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, 492 const char *flavour) 493 { 494 return 0; 495 } 496 #endif 497 498 /* Utility functions to get clock rates from various things */ 499 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 500 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 501 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 502 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 503 504 /* set runtime hw params */ 505 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 506 const struct snd_pcm_hardware *hw); 507 508 int soc_dai_hw_params(struct snd_pcm_substream *substream, 509 struct snd_pcm_hw_params *params, 510 struct snd_soc_dai *dai); 511 512 /* Jack reporting */ 513 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type, 514 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins, 515 unsigned int num_pins); 516 517 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); 518 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, 519 struct snd_soc_jack_pin *pins); 520 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, 521 struct notifier_block *nb); 522 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, 523 struct notifier_block *nb); 524 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, 525 struct snd_soc_jack_zone *zones); 526 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); 527 #ifdef CONFIG_GPIOLIB 528 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 529 struct snd_soc_jack_gpio *gpios); 530 int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 531 struct snd_soc_jack *jack, 532 int count, struct snd_soc_jack_gpio *gpios); 533 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 534 struct snd_soc_jack_gpio *gpios); 535 #else 536 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 537 struct snd_soc_jack_gpio *gpios) 538 { 539 return 0; 540 } 541 542 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 543 struct snd_soc_jack *jack, 544 int count, 545 struct snd_soc_jack_gpio *gpios) 546 { 547 return 0; 548 } 549 550 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 551 struct snd_soc_jack_gpio *gpios) 552 { 553 } 554 #endif 555 556 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 557 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 558 unsigned int id, unsigned int id_mask); 559 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 560 561 #ifdef CONFIG_SND_SOC_AC97_BUS 562 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 563 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 564 struct platform_device *pdev); 565 566 extern struct snd_ac97_bus_ops *soc_ac97_ops; 567 #else 568 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 569 struct platform_device *pdev) 570 { 571 return 0; 572 } 573 574 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 575 { 576 return 0; 577 } 578 #endif 579 580 /* 581 *Controls 582 */ 583 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 584 void *data, const char *long_name, 585 const char *prefix); 586 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, 587 const char *name); 588 int snd_soc_add_component_controls(struct snd_soc_component *component, 589 const struct snd_kcontrol_new *controls, unsigned int num_controls); 590 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 591 const struct snd_kcontrol_new *controls, int num_controls); 592 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 593 const struct snd_kcontrol_new *controls, int num_controls); 594 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 595 struct snd_ctl_elem_info *uinfo); 596 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 597 struct snd_ctl_elem_value *ucontrol); 598 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 599 struct snd_ctl_elem_value *ucontrol); 600 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 601 struct snd_ctl_elem_info *uinfo); 602 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 603 struct snd_ctl_elem_info *uinfo); 604 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 605 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 606 struct snd_ctl_elem_value *ucontrol); 607 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 608 struct snd_ctl_elem_value *ucontrol); 609 #define snd_soc_get_volsw_2r snd_soc_get_volsw 610 #define snd_soc_put_volsw_2r snd_soc_put_volsw 611 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 612 struct snd_ctl_elem_value *ucontrol); 613 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 614 struct snd_ctl_elem_value *ucontrol); 615 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 616 struct snd_ctl_elem_info *uinfo); 617 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 618 struct snd_ctl_elem_value *ucontrol); 619 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 620 struct snd_ctl_elem_value *ucontrol); 621 int snd_soc_limit_volume(struct snd_soc_card *card, 622 const char *name, int max); 623 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 624 struct snd_ctl_elem_info *uinfo); 625 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 626 struct snd_ctl_elem_value *ucontrol); 627 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 628 struct snd_ctl_elem_value *ucontrol); 629 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 630 struct snd_ctl_elem_info *ucontrol); 631 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 632 unsigned int size, unsigned int __user *tlv); 633 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 634 struct snd_ctl_elem_info *uinfo); 635 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 636 struct snd_ctl_elem_value *ucontrol); 637 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 638 struct snd_ctl_elem_value *ucontrol); 639 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 640 struct snd_ctl_elem_value *ucontrol); 641 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 642 struct snd_ctl_elem_value *ucontrol); 643 644 /** 645 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection 646 * 647 * @pin: name of the pin to update 648 * @mask: bits to check for in reported jack status 649 * @invert: if non-zero then pin is enabled when status is not reported 650 * @list: internal list entry 651 */ 652 struct snd_soc_jack_pin { 653 struct list_head list; 654 const char *pin; 655 int mask; 656 bool invert; 657 }; 658 659 /** 660 * struct snd_soc_jack_zone - Describes voltage zones of jack detection 661 * 662 * @min_mv: start voltage in mv 663 * @max_mv: end voltage in mv 664 * @jack_type: type of jack that is expected for this voltage 665 * @debounce_time: debounce_time for jack, codec driver should wait for this 666 * duration before reading the adc for voltages 667 * @list: internal list entry 668 */ 669 struct snd_soc_jack_zone { 670 unsigned int min_mv; 671 unsigned int max_mv; 672 unsigned int jack_type; 673 unsigned int debounce_time; 674 struct list_head list; 675 }; 676 677 /** 678 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection 679 * 680 * @gpio: legacy gpio number 681 * @idx: gpio descriptor index within the function of the GPIO 682 * consumer device 683 * @gpiod_dev: GPIO consumer device 684 * @name: gpio name. Also as connection ID for the GPIO consumer 685 * device function name lookup 686 * @report: value to report when jack detected 687 * @invert: report presence in low state 688 * @debounce_time: debounce time in ms 689 * @wake: enable as wake source 690 * @jack_status_check: callback function which overrides the detection 691 * to provide more complex checks (eg, reading an 692 * ADC). 693 */ 694 struct snd_soc_jack_gpio { 695 unsigned int gpio; 696 unsigned int idx; 697 struct device *gpiod_dev; 698 const char *name; 699 int report; 700 int invert; 701 int debounce_time; 702 bool wake; 703 704 /* private: */ 705 struct snd_soc_jack *jack; 706 struct delayed_work work; 707 struct notifier_block pm_notifier; 708 struct gpio_desc *desc; 709 710 void *data; 711 /* public: */ 712 int (*jack_status_check)(void *data); 713 }; 714 715 struct snd_soc_jack { 716 struct mutex mutex; 717 struct snd_jack *jack; 718 struct snd_soc_card *card; 719 struct list_head pins; 720 int status; 721 struct blocking_notifier_head notifier; 722 struct list_head jack_zones; 723 }; 724 725 /* SoC PCM stream information */ 726 struct snd_soc_pcm_stream { 727 const char *stream_name; 728 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 729 unsigned int rates; /* SNDRV_PCM_RATE_* */ 730 unsigned int rate_min; /* min rate */ 731 unsigned int rate_max; /* max rate */ 732 unsigned int channels_min; /* min channels */ 733 unsigned int channels_max; /* max channels */ 734 unsigned int sig_bits; /* number of bits of content */ 735 }; 736 737 /* SoC audio ops */ 738 struct snd_soc_ops { 739 int (*startup)(struct snd_pcm_substream *); 740 void (*shutdown)(struct snd_pcm_substream *); 741 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 742 int (*hw_free)(struct snd_pcm_substream *); 743 int (*prepare)(struct snd_pcm_substream *); 744 int (*trigger)(struct snd_pcm_substream *, int); 745 }; 746 747 struct snd_soc_compr_ops { 748 int (*startup)(struct snd_compr_stream *); 749 void (*shutdown)(struct snd_compr_stream *); 750 int (*set_params)(struct snd_compr_stream *); 751 int (*trigger)(struct snd_compr_stream *); 752 }; 753 754 /* component interface */ 755 struct snd_soc_component_driver { 756 const char *name; 757 758 /* Default control and setup, added after probe() is run */ 759 const struct snd_kcontrol_new *controls; 760 unsigned int num_controls; 761 const struct snd_soc_dapm_widget *dapm_widgets; 762 unsigned int num_dapm_widgets; 763 const struct snd_soc_dapm_route *dapm_routes; 764 unsigned int num_dapm_routes; 765 766 int (*probe)(struct snd_soc_component *); 767 void (*remove)(struct snd_soc_component *); 768 int (*suspend)(struct snd_soc_component *); 769 int (*resume)(struct snd_soc_component *); 770 771 unsigned int (*read)(struct snd_soc_component *, unsigned int); 772 int (*write)(struct snd_soc_component *, unsigned int, unsigned int); 773 774 /* pcm creation and destruction */ 775 int (*pcm_new)(struct snd_soc_pcm_runtime *); 776 void (*pcm_free)(struct snd_pcm *); 777 778 /* component wide operations */ 779 int (*set_sysclk)(struct snd_soc_component *component, 780 int clk_id, int source, unsigned int freq, int dir); 781 int (*set_pll)(struct snd_soc_component *component, int pll_id, 782 int source, unsigned int freq_in, unsigned int freq_out); 783 int (*set_jack)(struct snd_soc_component *component, 784 struct snd_soc_jack *jack, void *data); 785 786 /* DT */ 787 int (*of_xlate_dai_name)(struct snd_soc_component *component, 788 struct of_phandle_args *args, 789 const char **dai_name); 790 int (*of_xlate_dai_id)(struct snd_soc_component *comment, 791 struct device_node *endpoint); 792 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type, 793 int subseq); 794 int (*stream_event)(struct snd_soc_component *, int event); 795 int (*set_bias_level)(struct snd_soc_component *component, 796 enum snd_soc_bias_level level); 797 798 const struct snd_pcm_ops *ops; 799 const struct snd_compr_ops *compr_ops; 800 801 /* probe ordering - for components with runtime dependencies */ 802 int probe_order; 803 int remove_order; 804 805 /* signal if the module handling the component cannot be removed */ 806 unsigned int ignore_module_refcount:1; 807 808 /* bits */ 809 unsigned int idle_bias_on:1; 810 unsigned int suspend_bias_off:1; 811 unsigned int use_pmdown_time:1; /* care pmdown_time at stop */ 812 unsigned int endianness:1; 813 unsigned int non_legacy_dai_naming:1; 814 815 /* this component uses topology and ignore machine driver FEs */ 816 const char *ignore_machine; 817 const char *topology_name_prefix; 818 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 819 struct snd_pcm_hw_params *params); 820 bool use_dai_pcm_id; /* use the DAI link PCM ID as PCM device number */ 821 int be_pcm_base; /* base device ID for all BE PCMs */ 822 }; 823 824 struct snd_soc_component { 825 const char *name; 826 int id; 827 const char *name_prefix; 828 struct device *dev; 829 struct snd_soc_card *card; 830 831 unsigned int active; 832 833 unsigned int suspended:1; /* is in suspend PM state */ 834 835 struct list_head list; 836 struct list_head card_aux_list; /* for auxiliary bound components */ 837 struct list_head card_list; 838 839 const struct snd_soc_component_driver *driver; 840 841 struct list_head dai_list; 842 int num_dai; 843 844 struct regmap *regmap; 845 int val_bytes; 846 847 struct mutex io_mutex; 848 849 /* attached dynamic objects */ 850 struct list_head dobj_list; 851 852 /* 853 * DO NOT use any of the fields below in drivers, they are temporary and 854 * are going to be removed again soon. If you use them in driver code the 855 * driver will be marked as BROKEN when these fields are removed. 856 */ 857 858 /* Don't use these, use snd_soc_component_get_dapm() */ 859 struct snd_soc_dapm_context dapm; 860 861 /* machine specific init */ 862 int (*init)(struct snd_soc_component *component); 863 864 #ifdef CONFIG_DEBUG_FS 865 struct dentry *debugfs_root; 866 const char *debugfs_prefix; 867 #endif 868 }; 869 870 #define for_each_component_dais(component, dai)\ 871 list_for_each_entry(dai, &(component)->dai_list, list) 872 #define for_each_component_dais_safe(component, dai, _dai)\ 873 list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list) 874 875 struct snd_soc_rtdcom_list { 876 struct snd_soc_component *component; 877 struct list_head list; /* rtd::component_list */ 878 }; 879 struct snd_soc_component* 880 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 881 const char *driver_name); 882 #define for_each_rtdcom(rtd, rtdcom) \ 883 list_for_each_entry(rtdcom, &(rtd)->component_list, list) 884 #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \ 885 list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list) 886 887 struct snd_soc_dai_link_component { 888 const char *name; 889 struct device_node *of_node; 890 const char *dai_name; 891 }; 892 893 struct snd_soc_dai_link { 894 /* config - must be set by machine driver */ 895 const char *name; /* Codec name */ 896 const char *stream_name; /* Stream name */ 897 898 /* 899 * cpu_name 900 * cpu_of_node 901 * cpu_dai_name 902 * 903 * These are legacy style, and will be replaced to 904 * modern style (= snd_soc_dai_link_component) in the future, 905 * but, not yet supported so far. 906 * If modern style was supported for CPU, all driver will switch 907 * to use it, and, legacy style code will be removed from ALSA SoC. 908 */ 909 /* 910 * You MAY specify the link's CPU-side device, either by device name, 911 * or by DT/OF node, but not both. If this information is omitted, 912 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 913 * must be globally unique. These fields are currently typically used 914 * only for codec to codec links, or systems using device tree. 915 */ 916 const char *cpu_name; 917 struct device_node *cpu_of_node; 918 /* 919 * You MAY specify the DAI name of the CPU DAI. If this information is 920 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 921 * only, which only works well when that device exposes a single DAI. 922 */ 923 const char *cpu_dai_name; 924 925 /* 926 * codec_name 927 * codec_of_node 928 * codec_dai_name 929 * 930 * These are legacy style, it will be converted to modern style 931 * (= snd_soc_dai_link_component) automatically in soc-core 932 * if driver is using legacy style. 933 * Driver shouldn't use both legacy and modern style in the same time. 934 * If modern style was supported for CPU, all driver will switch 935 * to use it, and, legacy style code will be removed from ALSA SoC. 936 */ 937 /* 938 * You MUST specify the link's codec, either by device name, or by 939 * DT/OF node, but not both. 940 */ 941 const char *codec_name; 942 struct device_node *codec_of_node; 943 /* You MUST specify the DAI name within the codec */ 944 const char *codec_dai_name; 945 946 struct snd_soc_dai_link_component *codecs; 947 unsigned int num_codecs; 948 949 /* 950 * platform_name 951 * platform_of_node 952 * 953 * These are legacy style, it will be converted to modern style 954 * (= snd_soc_dai_link_component) automatically in soc-core 955 * if driver is using legacy style. 956 * Driver shouldn't use both legacy and modern style in the same time. 957 * If modern style was supported for CPU, all driver will switch 958 * to use it, and, legacy style code will be removed from ALSA SoC. 959 */ 960 /* 961 * You MAY specify the link's platform/PCM/DMA driver, either by 962 * device name, or by DT/OF node, but not both. Some forms of link 963 * do not need a platform. 964 */ 965 const char *platform_name; 966 struct device_node *platform_of_node; 967 struct snd_soc_dai_link_component *platforms; 968 unsigned int num_platforms; 969 970 int id; /* optional ID for machine driver link identification */ 971 972 const struct snd_soc_pcm_stream *params; 973 unsigned int num_params; 974 975 unsigned int dai_fmt; /* format to set on init */ 976 977 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 978 979 /* codec/machine specific init - e.g. add machine controls */ 980 int (*init)(struct snd_soc_pcm_runtime *rtd); 981 982 /* optional hw_params re-writing for BE and FE sync */ 983 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 984 struct snd_pcm_hw_params *params); 985 986 /* machine stream operations */ 987 const struct snd_soc_ops *ops; 988 const struct snd_soc_compr_ops *compr_ops; 989 990 /* Mark this pcm with non atomic ops */ 991 bool nonatomic; 992 993 /* For unidirectional dai links */ 994 unsigned int playback_only:1; 995 unsigned int capture_only:1; 996 997 /* Keep DAI active over suspend */ 998 unsigned int ignore_suspend:1; 999 1000 /* Symmetry requirements */ 1001 unsigned int symmetric_rates:1; 1002 unsigned int symmetric_channels:1; 1003 unsigned int symmetric_samplebits:1; 1004 1005 /* Do not create a PCM for this DAI link (Backend link) */ 1006 unsigned int no_pcm:1; 1007 1008 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 1009 unsigned int dynamic:1; 1010 1011 /* DPCM capture and Playback support */ 1012 unsigned int dpcm_capture:1; 1013 unsigned int dpcm_playback:1; 1014 1015 /* DPCM used FE & BE merged format */ 1016 unsigned int dpcm_merged_format:1; 1017 /* DPCM used FE & BE merged channel */ 1018 unsigned int dpcm_merged_chan:1; 1019 /* DPCM used FE & BE merged rate */ 1020 unsigned int dpcm_merged_rate:1; 1021 1022 /* pmdown_time is ignored at stop */ 1023 unsigned int ignore_pmdown_time:1; 1024 1025 /* Do not create a PCM for this DAI link (Backend link) */ 1026 unsigned int ignore:1; 1027 1028 /* 1029 * This driver uses legacy platform naming. Set by the core, machine 1030 * drivers should not modify this value. 1031 */ 1032 unsigned int legacy_platform:1; 1033 1034 struct list_head list; /* DAI link list of the soc card */ 1035 struct snd_soc_dobj dobj; /* For topology */ 1036 }; 1037 #define for_each_link_codecs(link, i, codec) \ 1038 for ((i) = 0; \ 1039 ((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \ 1040 (i)++) 1041 1042 struct snd_soc_codec_conf { 1043 /* 1044 * specify device either by device name, or by 1045 * DT/OF node, but not both. 1046 */ 1047 const char *dev_name; 1048 struct device_node *of_node; 1049 1050 /* 1051 * optional map of kcontrol, widget and path name prefixes that are 1052 * associated per device 1053 */ 1054 const char *name_prefix; 1055 }; 1056 1057 struct snd_soc_aux_dev { 1058 const char *name; /* Codec name */ 1059 1060 /* 1061 * specify multi-codec either by device name, or by 1062 * DT/OF node, but not both. 1063 */ 1064 const char *codec_name; 1065 struct device_node *codec_of_node; 1066 1067 /* codec/machine specific init - e.g. add machine controls */ 1068 int (*init)(struct snd_soc_component *component); 1069 }; 1070 1071 /* SoC card */ 1072 struct snd_soc_card { 1073 const char *name; 1074 const char *long_name; 1075 const char *driver_name; 1076 char dmi_longname[80]; 1077 char topology_shortname[32]; 1078 1079 struct device *dev; 1080 struct snd_card *snd_card; 1081 struct module *owner; 1082 1083 struct mutex mutex; 1084 struct mutex dapm_mutex; 1085 1086 spinlock_t dpcm_lock; 1087 1088 bool instantiated; 1089 bool topology_shortname_created; 1090 1091 int (*probe)(struct snd_soc_card *card); 1092 int (*late_probe)(struct snd_soc_card *card); 1093 int (*remove)(struct snd_soc_card *card); 1094 1095 /* the pre and post PM functions are used to do any PM work before and 1096 * after the codec and DAI's do any PM work. */ 1097 int (*suspend_pre)(struct snd_soc_card *card); 1098 int (*suspend_post)(struct snd_soc_card *card); 1099 int (*resume_pre)(struct snd_soc_card *card); 1100 int (*resume_post)(struct snd_soc_card *card); 1101 1102 /* callbacks */ 1103 int (*set_bias_level)(struct snd_soc_card *, 1104 struct snd_soc_dapm_context *dapm, 1105 enum snd_soc_bias_level level); 1106 int (*set_bias_level_post)(struct snd_soc_card *, 1107 struct snd_soc_dapm_context *dapm, 1108 enum snd_soc_bias_level level); 1109 1110 int (*add_dai_link)(struct snd_soc_card *, 1111 struct snd_soc_dai_link *link); 1112 void (*remove_dai_link)(struct snd_soc_card *, 1113 struct snd_soc_dai_link *link); 1114 1115 long pmdown_time; 1116 1117 /* CPU <--> Codec DAI links */ 1118 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1119 int num_links; /* predefined links only */ 1120 struct list_head dai_link_list; /* all links */ 1121 1122 struct list_head rtd_list; 1123 int num_rtd; 1124 1125 /* optional codec specific configuration */ 1126 struct snd_soc_codec_conf *codec_conf; 1127 int num_configs; 1128 1129 /* 1130 * optional auxiliary devices such as amplifiers or codecs with DAI 1131 * link unused 1132 */ 1133 struct snd_soc_aux_dev *aux_dev; 1134 int num_aux_devs; 1135 struct list_head aux_comp_list; 1136 1137 const struct snd_kcontrol_new *controls; 1138 int num_controls; 1139 1140 /* 1141 * Card-specific routes and widgets. 1142 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1143 */ 1144 const struct snd_soc_dapm_widget *dapm_widgets; 1145 int num_dapm_widgets; 1146 const struct snd_soc_dapm_route *dapm_routes; 1147 int num_dapm_routes; 1148 const struct snd_soc_dapm_widget *of_dapm_widgets; 1149 int num_of_dapm_widgets; 1150 const struct snd_soc_dapm_route *of_dapm_routes; 1151 int num_of_dapm_routes; 1152 bool fully_routed; 1153 1154 struct work_struct deferred_resume_work; 1155 1156 /* lists of probed devices belonging to this card */ 1157 struct list_head component_dev_list; 1158 struct list_head list; 1159 1160 struct list_head widgets; 1161 struct list_head paths; 1162 struct list_head dapm_list; 1163 struct list_head dapm_dirty; 1164 1165 /* attached dynamic objects */ 1166 struct list_head dobj_list; 1167 1168 /* Generic DAPM context for the card */ 1169 struct snd_soc_dapm_context dapm; 1170 struct snd_soc_dapm_stats dapm_stats; 1171 struct snd_soc_dapm_update *update; 1172 1173 #ifdef CONFIG_DEBUG_FS 1174 struct dentry *debugfs_card_root; 1175 struct dentry *debugfs_pop_time; 1176 #endif 1177 u32 pop_time; 1178 1179 void *drvdata; 1180 }; 1181 #define for_each_card_prelinks(card, i, link) \ 1182 for ((i) = 0; \ 1183 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 1184 (i)++) 1185 1186 #define for_each_card_links(card, link) \ 1187 list_for_each_entry(dai_link, &(card)->dai_link_list, list) 1188 #define for_each_card_links_safe(card, link, _link) \ 1189 list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list) 1190 1191 #define for_each_card_rtds(card, rtd) \ 1192 list_for_each_entry(rtd, &(card)->rtd_list, list) 1193 #define for_each_card_rtds_safe(card, rtd, _rtd) \ 1194 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1195 1196 #define for_each_card_components(card, component) \ 1197 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1198 1199 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1200 struct snd_soc_pcm_runtime { 1201 struct device *dev; 1202 struct snd_soc_card *card; 1203 struct snd_soc_dai_link *dai_link; 1204 struct mutex pcm_mutex; 1205 enum snd_soc_pcm_subclass pcm_subclass; 1206 struct snd_pcm_ops ops; 1207 1208 unsigned int params_select; /* currently selected param for dai link */ 1209 1210 /* Dynamic PCM BE runtime data */ 1211 struct snd_soc_dpcm_runtime dpcm[2]; 1212 int fe_compr; 1213 1214 long pmdown_time; 1215 1216 /* runtime devices */ 1217 struct snd_pcm *pcm; 1218 struct snd_compr *compr; 1219 struct snd_soc_dai *codec_dai; 1220 struct snd_soc_dai *cpu_dai; 1221 1222 struct snd_soc_dai **codec_dais; 1223 unsigned int num_codecs; 1224 1225 struct delayed_work delayed_work; 1226 #ifdef CONFIG_DEBUG_FS 1227 struct dentry *debugfs_dpcm_root; 1228 #endif 1229 1230 unsigned int num; /* 0-based and monotonic increasing */ 1231 struct list_head list; /* rtd list of the soc card */ 1232 struct list_head component_list; /* list of connected components */ 1233 1234 /* bit field */ 1235 unsigned int dev_registered:1; 1236 unsigned int pop_wait:1; 1237 }; 1238 #define for_each_rtd_codec_dai(rtd, i, dai)\ 1239 for ((i) = 0; \ 1240 ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \ 1241 (i)++) 1242 #define for_each_rtd_codec_dai_rollback(rtd, i, dai) \ 1243 for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);) 1244 1245 1246 /* mixer control */ 1247 struct soc_mixer_control { 1248 int min, max, platform_max; 1249 int reg, rreg; 1250 unsigned int shift, rshift; 1251 unsigned int sign_bit; 1252 unsigned int invert:1; 1253 unsigned int autodisable:1; 1254 struct snd_soc_dobj dobj; 1255 }; 1256 1257 struct soc_bytes { 1258 int base; 1259 int num_regs; 1260 u32 mask; 1261 }; 1262 1263 struct soc_bytes_ext { 1264 int max; 1265 struct snd_soc_dobj dobj; 1266 1267 /* used for TLV byte control */ 1268 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1269 unsigned int size); 1270 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1271 unsigned int size); 1272 }; 1273 1274 /* multi register control */ 1275 struct soc_mreg_control { 1276 long min, max; 1277 unsigned int regbase, regcount, nbits, invert; 1278 }; 1279 1280 /* enumerated kcontrol */ 1281 struct soc_enum { 1282 int reg; 1283 unsigned char shift_l; 1284 unsigned char shift_r; 1285 unsigned int items; 1286 unsigned int mask; 1287 const char * const *texts; 1288 const unsigned int *values; 1289 unsigned int autodisable:1; 1290 struct snd_soc_dobj dobj; 1291 }; 1292 1293 /** 1294 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is 1295 * embedded in 1296 * @dapm: The DAPM context to cast to the component 1297 * 1298 * This function must only be used on DAPM contexts that are known to be part of 1299 * a component (e.g. in a component driver). Otherwise the behavior is 1300 * undefined. 1301 */ 1302 static inline struct snd_soc_component *snd_soc_dapm_to_component( 1303 struct snd_soc_dapm_context *dapm) 1304 { 1305 return container_of(dapm, struct snd_soc_component, dapm); 1306 } 1307 1308 /** 1309 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a 1310 * component 1311 * @component: The component for which to get the DAPM context 1312 */ 1313 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( 1314 struct snd_soc_component *component) 1315 { 1316 return &component->dapm; 1317 } 1318 1319 /** 1320 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level 1321 * @component: The COMPONENT for which to initialize the DAPM bias level 1322 * @level: The DAPM level to initialize to 1323 * 1324 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level(). 1325 */ 1326 static inline void 1327 snd_soc_component_init_bias_level(struct snd_soc_component *component, 1328 enum snd_soc_bias_level level) 1329 { 1330 snd_soc_dapm_init_bias_level( 1331 snd_soc_component_get_dapm(component), level); 1332 } 1333 1334 /** 1335 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level 1336 * @component: The COMPONENT for which to get the DAPM bias level 1337 * 1338 * Returns: The current DAPM bias level of the COMPONENT. 1339 */ 1340 static inline enum snd_soc_bias_level 1341 snd_soc_component_get_bias_level(struct snd_soc_component *component) 1342 { 1343 return snd_soc_dapm_get_bias_level( 1344 snd_soc_component_get_dapm(component)); 1345 } 1346 1347 /** 1348 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level 1349 * @component: The COMPONENT for which to set the level 1350 * @level: The level to set to 1351 * 1352 * Forces the COMPONENT bias level to a specific state. See 1353 * snd_soc_dapm_force_bias_level(). 1354 */ 1355 static inline int 1356 snd_soc_component_force_bias_level(struct snd_soc_component *component, 1357 enum snd_soc_bias_level level) 1358 { 1359 return snd_soc_dapm_force_bias_level( 1360 snd_soc_component_get_dapm(component), 1361 level); 1362 } 1363 1364 /** 1365 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol 1366 * @kcontrol: The kcontrol 1367 * 1368 * This function must only be used on DAPM contexts that are known to be part of 1369 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined. 1370 */ 1371 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component( 1372 struct snd_kcontrol *kcontrol) 1373 { 1374 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol)); 1375 } 1376 1377 /** 1378 * snd_soc_component_cache_sync() - Sync the register cache with the hardware 1379 * @component: COMPONENT to sync 1380 * 1381 * Note: This function will call regcache_sync() 1382 */ 1383 static inline int snd_soc_component_cache_sync( 1384 struct snd_soc_component *component) 1385 { 1386 return regcache_sync(component->regmap); 1387 } 1388 1389 /* component IO */ 1390 int snd_soc_component_read(struct snd_soc_component *component, 1391 unsigned int reg, unsigned int *val); 1392 unsigned int snd_soc_component_read32(struct snd_soc_component *component, 1393 unsigned int reg); 1394 int snd_soc_component_write(struct snd_soc_component *component, 1395 unsigned int reg, unsigned int val); 1396 int snd_soc_component_update_bits(struct snd_soc_component *component, 1397 unsigned int reg, unsigned int mask, unsigned int val); 1398 int snd_soc_component_update_bits_async(struct snd_soc_component *component, 1399 unsigned int reg, unsigned int mask, unsigned int val); 1400 void snd_soc_component_async_complete(struct snd_soc_component *component); 1401 int snd_soc_component_test_bits(struct snd_soc_component *component, 1402 unsigned int reg, unsigned int mask, unsigned int value); 1403 1404 /* component wide operations */ 1405 int snd_soc_component_set_sysclk(struct snd_soc_component *component, 1406 int clk_id, int source, unsigned int freq, int dir); 1407 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id, 1408 int source, unsigned int freq_in, 1409 unsigned int freq_out); 1410 int snd_soc_component_set_jack(struct snd_soc_component *component, 1411 struct snd_soc_jack *jack, void *data); 1412 1413 #ifdef CONFIG_REGMAP 1414 1415 void snd_soc_component_init_regmap(struct snd_soc_component *component, 1416 struct regmap *regmap); 1417 void snd_soc_component_exit_regmap(struct snd_soc_component *component); 1418 1419 #endif 1420 1421 /* device driver data */ 1422 1423 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1424 void *data) 1425 { 1426 card->drvdata = data; 1427 } 1428 1429 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1430 { 1431 return card->drvdata; 1432 } 1433 1434 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, 1435 void *data) 1436 { 1437 dev_set_drvdata(c->dev, data); 1438 } 1439 1440 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) 1441 { 1442 return dev_get_drvdata(c->dev); 1443 } 1444 1445 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1446 { 1447 INIT_LIST_HEAD(&card->widgets); 1448 INIT_LIST_HEAD(&card->paths); 1449 INIT_LIST_HEAD(&card->dapm_list); 1450 INIT_LIST_HEAD(&card->aux_comp_list); 1451 INIT_LIST_HEAD(&card->component_dev_list); 1452 INIT_LIST_HEAD(&card->list); 1453 } 1454 1455 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1456 { 1457 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1458 return 0; 1459 /* 1460 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1461 * mc->reg != mc->rreg means that the control is 1462 * stereo (bits in one register or in two registers) 1463 */ 1464 return 1; 1465 } 1466 1467 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, 1468 unsigned int val) 1469 { 1470 unsigned int i; 1471 1472 if (!e->values) 1473 return val; 1474 1475 for (i = 0; i < e->items; i++) 1476 if (val == e->values[i]) 1477 return i; 1478 1479 return 0; 1480 } 1481 1482 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, 1483 unsigned int item) 1484 { 1485 if (!e->values) 1486 return item; 1487 1488 return e->values[item]; 1489 } 1490 1491 static inline bool snd_soc_component_is_active( 1492 struct snd_soc_component *component) 1493 { 1494 return component->active != 0; 1495 } 1496 1497 /** 1498 * snd_soc_kcontrol_component() - Returns the component that registered the 1499 * control 1500 * @kcontrol: The control for which to get the component 1501 * 1502 * Note: This function will work correctly if the control has been registered 1503 * for a component. With snd_soc_add_codec_controls() or via table based 1504 * setup for either a CODEC or component driver. Otherwise the behavior is 1505 * undefined. 1506 */ 1507 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1508 struct snd_kcontrol *kcontrol) 1509 { 1510 return snd_kcontrol_chip(kcontrol); 1511 } 1512 1513 int snd_soc_util_init(void); 1514 void snd_soc_util_exit(void); 1515 1516 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1517 const char *propname); 1518 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1519 const char *propname); 1520 int snd_soc_of_get_slot_mask(struct device_node *np, 1521 const char *prop_name, 1522 unsigned int *mask); 1523 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1524 unsigned int *tx_mask, 1525 unsigned int *rx_mask, 1526 unsigned int *slots, 1527 unsigned int *slot_width); 1528 void snd_soc_of_parse_node_prefix(struct device_node *np, 1529 struct snd_soc_codec_conf *codec_conf, 1530 struct device_node *of_node, 1531 const char *propname); 1532 static inline 1533 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1534 struct snd_soc_codec_conf *codec_conf, 1535 struct device_node *of_node, 1536 const char *propname) 1537 { 1538 snd_soc_of_parse_node_prefix(card->dev->of_node, 1539 codec_conf, of_node, propname); 1540 } 1541 1542 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1543 const char *propname); 1544 unsigned int snd_soc_of_parse_daifmt(struct device_node *np, 1545 const char *prefix, 1546 struct device_node **bitclkmaster, 1547 struct device_node **framemaster); 1548 int snd_soc_get_dai_id(struct device_node *ep); 1549 int snd_soc_get_dai_name(struct of_phandle_args *args, 1550 const char **dai_name); 1551 int snd_soc_of_get_dai_name(struct device_node *of_node, 1552 const char **dai_name); 1553 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1554 struct device_node *of_node, 1555 struct snd_soc_dai_link *dai_link); 1556 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1557 1558 int snd_soc_add_dai_link(struct snd_soc_card *card, 1559 struct snd_soc_dai_link *dai_link); 1560 void snd_soc_remove_dai_link(struct snd_soc_card *card, 1561 struct snd_soc_dai_link *dai_link); 1562 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card, 1563 int id, const char *name, 1564 const char *stream_name); 1565 1566 int snd_soc_register_dai(struct snd_soc_component *component, 1567 struct snd_soc_dai_driver *dai_drv); 1568 1569 struct snd_soc_dai *snd_soc_find_dai( 1570 const struct snd_soc_dai_link_component *dlc); 1571 1572 #include <sound/soc-dai.h> 1573 1574 static inline 1575 struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card, 1576 const char *dai_name) 1577 { 1578 struct snd_soc_pcm_runtime *rtd; 1579 1580 list_for_each_entry(rtd, &card->rtd_list, list) { 1581 if (!strcmp(rtd->codec_dai->name, dai_name)) 1582 return rtd->codec_dai; 1583 } 1584 1585 return NULL; 1586 } 1587 1588 static inline 1589 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1590 const char *platform_name) 1591 { 1592 struct snd_soc_dai_link *dai_link; 1593 const char *name; 1594 int i; 1595 1596 if (!platform_name) /* nothing to do */ 1597 return 0; 1598 1599 /* set platform name for each dailink */ 1600 for_each_card_prelinks(card, i, dai_link) { 1601 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1602 if (!name) 1603 return -ENOMEM; 1604 1605 if (dai_link->platforms) 1606 /* only single platform is supported for now */ 1607 dai_link->platforms->name = name; 1608 else 1609 /* 1610 * legacy mode, this case will be removed when all 1611 * derivers are switched to modern style dai_link. 1612 */ 1613 dai_link->platform_name = name; 1614 } 1615 1616 return 0; 1617 } 1618 1619 #ifdef CONFIG_DEBUG_FS 1620 extern struct dentry *snd_soc_debugfs_root; 1621 #endif 1622 1623 extern const struct dev_pm_ops snd_soc_pm_ops; 1624 1625 /* Helper functions */ 1626 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) 1627 { 1628 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1629 } 1630 1631 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) 1632 { 1633 mutex_unlock(&dapm->card->dapm_mutex); 1634 } 1635 1636 int snd_soc_component_enable_pin(struct snd_soc_component *component, 1637 const char *pin); 1638 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component, 1639 const char *pin); 1640 int snd_soc_component_disable_pin(struct snd_soc_component *component, 1641 const char *pin); 1642 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component, 1643 const char *pin); 1644 int snd_soc_component_nc_pin(struct snd_soc_component *component, 1645 const char *pin); 1646 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component, 1647 const char *pin); 1648 int snd_soc_component_get_pin_status(struct snd_soc_component *component, 1649 const char *pin); 1650 int snd_soc_component_force_enable_pin(struct snd_soc_component *component, 1651 const char *pin); 1652 int snd_soc_component_force_enable_pin_unlocked( 1653 struct snd_soc_component *component, 1654 const char *pin); 1655 1656 #endif 1657