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 /* 806 * signal if the module handling the component should not be removed 807 * if a pcm is open. Setting this would prevent the module 808 * refcount being incremented in probe() but allow it be incremented 809 * when a pcm is opened and decremented when it is closed. 810 */ 811 unsigned int module_get_upon_open:1; 812 813 /* bits */ 814 unsigned int idle_bias_on:1; 815 unsigned int suspend_bias_off:1; 816 unsigned int use_pmdown_time:1; /* care pmdown_time at stop */ 817 unsigned int endianness:1; 818 unsigned int non_legacy_dai_naming:1; 819 820 /* this component uses topology and ignore machine driver FEs */ 821 const char *ignore_machine; 822 const char *topology_name_prefix; 823 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 824 struct snd_pcm_hw_params *params); 825 bool use_dai_pcm_id; /* use the DAI link PCM ID as PCM device number */ 826 int be_pcm_base; /* base device ID for all BE PCMs */ 827 }; 828 829 struct snd_soc_component { 830 const char *name; 831 int id; 832 const char *name_prefix; 833 struct device *dev; 834 struct snd_soc_card *card; 835 836 unsigned int active; 837 838 unsigned int suspended:1; /* is in suspend PM state */ 839 840 struct list_head list; 841 struct list_head card_aux_list; /* for auxiliary bound components */ 842 struct list_head card_list; 843 844 const struct snd_soc_component_driver *driver; 845 846 struct list_head dai_list; 847 int num_dai; 848 849 struct regmap *regmap; 850 int val_bytes; 851 852 struct mutex io_mutex; 853 854 /* attached dynamic objects */ 855 struct list_head dobj_list; 856 857 /* 858 * DO NOT use any of the fields below in drivers, they are temporary and 859 * are going to be removed again soon. If you use them in driver code the 860 * driver will be marked as BROKEN when these fields are removed. 861 */ 862 863 /* Don't use these, use snd_soc_component_get_dapm() */ 864 struct snd_soc_dapm_context dapm; 865 866 /* machine specific init */ 867 int (*init)(struct snd_soc_component *component); 868 869 #ifdef CONFIG_DEBUG_FS 870 struct dentry *debugfs_root; 871 const char *debugfs_prefix; 872 #endif 873 }; 874 875 #define for_each_component_dais(component, dai)\ 876 list_for_each_entry(dai, &(component)->dai_list, list) 877 #define for_each_component_dais_safe(component, dai, _dai)\ 878 list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list) 879 880 struct snd_soc_rtdcom_list { 881 struct snd_soc_component *component; 882 struct list_head list; /* rtd::component_list */ 883 }; 884 struct snd_soc_component* 885 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 886 const char *driver_name); 887 #define for_each_rtdcom(rtd, rtdcom) \ 888 list_for_each_entry(rtdcom, &(rtd)->component_list, list) 889 #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \ 890 list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list) 891 892 struct snd_soc_dai_link_component { 893 const char *name; 894 struct device_node *of_node; 895 const char *dai_name; 896 }; 897 898 struct snd_soc_dai_link { 899 /* config - must be set by machine driver */ 900 const char *name; /* Codec name */ 901 const char *stream_name; /* Stream name */ 902 903 /* 904 * You MAY specify the link's CPU-side device, either by device name, 905 * or by DT/OF node, but not both. If this information is omitted, 906 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 907 * must be globally unique. These fields are currently typically used 908 * only for codec to codec links, or systems using device tree. 909 */ 910 /* 911 * You MAY specify the DAI name of the CPU DAI. If this information is 912 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 913 * only, which only works well when that device exposes a single DAI. 914 */ 915 struct snd_soc_dai_link_component *cpus; 916 unsigned int num_cpus; 917 918 /* 919 * You MUST specify the link's codec, either by device name, or by 920 * DT/OF node, but not both. 921 */ 922 /* You MUST specify the DAI name within the codec */ 923 struct snd_soc_dai_link_component *codecs; 924 unsigned int num_codecs; 925 926 /* 927 * You MAY specify the link's platform/PCM/DMA driver, either by 928 * device name, or by DT/OF node, but not both. Some forms of link 929 * do not need a platform. In such case, platforms are not mandatory. 930 */ 931 struct snd_soc_dai_link_component *platforms; 932 unsigned int num_platforms; 933 934 int id; /* optional ID for machine driver link identification */ 935 936 const struct snd_soc_pcm_stream *params; 937 unsigned int num_params; 938 939 unsigned int dai_fmt; /* format to set on init */ 940 941 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 942 943 /* codec/machine specific init - e.g. add machine controls */ 944 int (*init)(struct snd_soc_pcm_runtime *rtd); 945 946 /* optional hw_params re-writing for BE and FE sync */ 947 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 948 struct snd_pcm_hw_params *params); 949 950 /* machine stream operations */ 951 const struct snd_soc_ops *ops; 952 const struct snd_soc_compr_ops *compr_ops; 953 954 /* Mark this pcm with non atomic ops */ 955 bool nonatomic; 956 957 /* For unidirectional dai links */ 958 unsigned int playback_only:1; 959 unsigned int capture_only:1; 960 961 /* Keep DAI active over suspend */ 962 unsigned int ignore_suspend:1; 963 964 /* Symmetry requirements */ 965 unsigned int symmetric_rates:1; 966 unsigned int symmetric_channels:1; 967 unsigned int symmetric_samplebits:1; 968 969 /* Do not create a PCM for this DAI link (Backend link) */ 970 unsigned int no_pcm:1; 971 972 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 973 unsigned int dynamic:1; 974 975 /* DPCM capture and Playback support */ 976 unsigned int dpcm_capture:1; 977 unsigned int dpcm_playback:1; 978 979 /* DPCM used FE & BE merged format */ 980 unsigned int dpcm_merged_format:1; 981 /* DPCM used FE & BE merged channel */ 982 unsigned int dpcm_merged_chan:1; 983 /* DPCM used FE & BE merged rate */ 984 unsigned int dpcm_merged_rate:1; 985 986 /* pmdown_time is ignored at stop */ 987 unsigned int ignore_pmdown_time:1; 988 989 /* Do not create a PCM for this DAI link (Backend link) */ 990 unsigned int ignore:1; 991 992 struct list_head list; /* DAI link list of the soc card */ 993 struct snd_soc_dobj dobj; /* For topology */ 994 }; 995 #define for_each_link_codecs(link, i, codec) \ 996 for ((i) = 0; \ 997 ((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \ 998 (i)++) 999 1000 #define for_each_link_platforms(link, i, platform) \ 1001 for ((i) = 0; \ 1002 ((i) < link->num_platforms) && \ 1003 ((platform) = &link->platforms[i]); \ 1004 (i)++) 1005 1006 /* 1007 * Sample 1 : Single CPU/Codec/Platform 1008 * 1009 * SND_SOC_DAILINK_DEFS(test, 1010 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), 1011 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), 1012 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 1013 * 1014 * struct snd_soc_dai_link link = { 1015 * ... 1016 * SND_SOC_DAILINK_REG(test), 1017 * }; 1018 * 1019 * Sample 2 : Multi CPU/Codec, no Platform 1020 * 1021 * SND_SOC_DAILINK_DEFS(test, 1022 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 1023 * COMP_CPU("cpu_dai2")), 1024 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 1025 * COMP_CODEC("codec2", "codec_dai2"))); 1026 * 1027 * struct snd_soc_dai_link link = { 1028 * ... 1029 * SND_SOC_DAILINK_REG(test), 1030 * }; 1031 * 1032 * Sample 3 : Define each CPU/Codec/Platform manually 1033 * 1034 * SND_SOC_DAILINK_DEF(test_cpu, 1035 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), 1036 * COMP_CPU("cpu_dai2"))); 1037 * SND_SOC_DAILINK_DEF(test_codec, 1038 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), 1039 * COMP_CODEC("codec2", "codec_dai2"))); 1040 * SND_SOC_DAILINK_DEF(test_platform, 1041 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); 1042 * 1043 * struct snd_soc_dai_link link = { 1044 * ... 1045 * SND_SOC_DAILINK_REG(test_cpu, 1046 * test_codec, 1047 * test_platform), 1048 * }; 1049 * 1050 * Sample 4 : Sample3 without platform 1051 * 1052 * struct snd_soc_dai_link link = { 1053 * ... 1054 * SND_SOC_DAILINK_REG(test_cpu, 1055 * test_codec); 1056 * }; 1057 */ 1058 1059 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) 1060 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) 1061 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ 1062 .cpus = cpu, \ 1063 .num_cpus = ARRAY_SIZE(cpu), \ 1064 .codecs = codec, \ 1065 .num_codecs = ARRAY_SIZE(codec), \ 1066 .platforms = platform, \ 1067 .num_platforms = ARRAY_SIZE(platform) 1068 1069 #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func 1070 #define SND_SOC_DAILINK_REG(...) \ 1071 SND_SOC_DAILINK_REGx(__VA_ARGS__, \ 1072 SND_SOC_DAILINK_REG3, \ 1073 SND_SOC_DAILINK_REG2, \ 1074 SND_SOC_DAILINK_REG1)(__VA_ARGS__) 1075 1076 #define SND_SOC_DAILINK_DEF(name, def...) \ 1077 static struct snd_soc_dai_link_component name[] = { def } 1078 1079 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ 1080 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ 1081 SND_SOC_DAILINK_DEF(name##_codecs, codec); \ 1082 SND_SOC_DAILINK_DEF(name##_platforms, platform) 1083 1084 #define DAILINK_COMP_ARRAY(param...) param 1085 #define COMP_EMPTY() { } 1086 #define COMP_CPU(_dai) { .dai_name = _dai, } 1087 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } 1088 #define COMP_PLATFORM(_name) { .name = _name } 1089 #define COMP_DUMMY() { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", } 1090 1091 extern struct snd_soc_dai_link_component null_dailink_component[0]; 1092 1093 1094 struct snd_soc_codec_conf { 1095 /* 1096 * specify device either by device name, or by 1097 * DT/OF node, but not both. 1098 */ 1099 const char *dev_name; 1100 struct device_node *of_node; 1101 1102 /* 1103 * optional map of kcontrol, widget and path name prefixes that are 1104 * associated per device 1105 */ 1106 const char *name_prefix; 1107 }; 1108 1109 struct snd_soc_aux_dev { 1110 const char *name; /* Codec name */ 1111 1112 /* 1113 * specify multi-codec either by device name, or by 1114 * DT/OF node, but not both. 1115 */ 1116 const char *codec_name; 1117 struct device_node *codec_of_node; 1118 1119 /* codec/machine specific init - e.g. add machine controls */ 1120 int (*init)(struct snd_soc_component *component); 1121 }; 1122 1123 /* SoC card */ 1124 struct snd_soc_card { 1125 const char *name; 1126 const char *long_name; 1127 const char *driver_name; 1128 char dmi_longname[80]; 1129 char topology_shortname[32]; 1130 1131 struct device *dev; 1132 struct snd_card *snd_card; 1133 struct module *owner; 1134 1135 struct mutex mutex; 1136 struct mutex dapm_mutex; 1137 1138 spinlock_t dpcm_lock; 1139 1140 bool instantiated; 1141 bool topology_shortname_created; 1142 1143 int (*probe)(struct snd_soc_card *card); 1144 int (*late_probe)(struct snd_soc_card *card); 1145 int (*remove)(struct snd_soc_card *card); 1146 1147 /* the pre and post PM functions are used to do any PM work before and 1148 * after the codec and DAI's do any PM work. */ 1149 int (*suspend_pre)(struct snd_soc_card *card); 1150 int (*suspend_post)(struct snd_soc_card *card); 1151 int (*resume_pre)(struct snd_soc_card *card); 1152 int (*resume_post)(struct snd_soc_card *card); 1153 1154 /* callbacks */ 1155 int (*set_bias_level)(struct snd_soc_card *, 1156 struct snd_soc_dapm_context *dapm, 1157 enum snd_soc_bias_level level); 1158 int (*set_bias_level_post)(struct snd_soc_card *, 1159 struct snd_soc_dapm_context *dapm, 1160 enum snd_soc_bias_level level); 1161 1162 int (*add_dai_link)(struct snd_soc_card *, 1163 struct snd_soc_dai_link *link); 1164 void (*remove_dai_link)(struct snd_soc_card *, 1165 struct snd_soc_dai_link *link); 1166 1167 long pmdown_time; 1168 1169 /* CPU <--> Codec DAI links */ 1170 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1171 int num_links; /* predefined links only */ 1172 struct list_head dai_link_list; /* all links */ 1173 1174 struct list_head rtd_list; 1175 int num_rtd; 1176 1177 /* optional codec specific configuration */ 1178 struct snd_soc_codec_conf *codec_conf; 1179 int num_configs; 1180 1181 /* 1182 * optional auxiliary devices such as amplifiers or codecs with DAI 1183 * link unused 1184 */ 1185 struct snd_soc_aux_dev *aux_dev; 1186 int num_aux_devs; 1187 struct list_head aux_comp_list; 1188 1189 const struct snd_kcontrol_new *controls; 1190 int num_controls; 1191 1192 /* 1193 * Card-specific routes and widgets. 1194 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1195 */ 1196 const struct snd_soc_dapm_widget *dapm_widgets; 1197 int num_dapm_widgets; 1198 const struct snd_soc_dapm_route *dapm_routes; 1199 int num_dapm_routes; 1200 const struct snd_soc_dapm_widget *of_dapm_widgets; 1201 int num_of_dapm_widgets; 1202 const struct snd_soc_dapm_route *of_dapm_routes; 1203 int num_of_dapm_routes; 1204 bool fully_routed; 1205 1206 struct work_struct deferred_resume_work; 1207 1208 /* lists of probed devices belonging to this card */ 1209 struct list_head component_dev_list; 1210 struct list_head list; 1211 1212 struct list_head widgets; 1213 struct list_head paths; 1214 struct list_head dapm_list; 1215 struct list_head dapm_dirty; 1216 1217 /* attached dynamic objects */ 1218 struct list_head dobj_list; 1219 1220 /* Generic DAPM context for the card */ 1221 struct snd_soc_dapm_context dapm; 1222 struct snd_soc_dapm_stats dapm_stats; 1223 struct snd_soc_dapm_update *update; 1224 1225 #ifdef CONFIG_DEBUG_FS 1226 struct dentry *debugfs_card_root; 1227 struct dentry *debugfs_pop_time; 1228 #endif 1229 u32 pop_time; 1230 1231 void *drvdata; 1232 }; 1233 #define for_each_card_prelinks(card, i, link) \ 1234 for ((i) = 0; \ 1235 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ 1236 (i)++) 1237 1238 #define for_each_card_links(card, link) \ 1239 list_for_each_entry(link, &(card)->dai_link_list, list) 1240 #define for_each_card_links_safe(card, link, _link) \ 1241 list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list) 1242 1243 #define for_each_card_rtds(card, rtd) \ 1244 list_for_each_entry(rtd, &(card)->rtd_list, list) 1245 #define for_each_card_rtds_safe(card, rtd, _rtd) \ 1246 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) 1247 1248 #define for_each_card_components(card, component) \ 1249 list_for_each_entry(component, &(card)->component_dev_list, card_list) 1250 1251 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1252 struct snd_soc_pcm_runtime { 1253 struct device *dev; 1254 struct snd_soc_card *card; 1255 struct snd_soc_dai_link *dai_link; 1256 struct mutex pcm_mutex; 1257 enum snd_soc_pcm_subclass pcm_subclass; 1258 struct snd_pcm_ops ops; 1259 1260 unsigned int params_select; /* currently selected param for dai link */ 1261 1262 /* Dynamic PCM BE runtime data */ 1263 struct snd_soc_dpcm_runtime dpcm[2]; 1264 1265 long pmdown_time; 1266 1267 /* runtime devices */ 1268 struct snd_pcm *pcm; 1269 struct snd_compr *compr; 1270 struct snd_soc_dai *codec_dai; 1271 struct snd_soc_dai *cpu_dai; 1272 1273 struct snd_soc_dai **codec_dais; 1274 unsigned int num_codecs; 1275 1276 struct delayed_work delayed_work; 1277 #ifdef CONFIG_DEBUG_FS 1278 struct dentry *debugfs_dpcm_root; 1279 #endif 1280 1281 unsigned int num; /* 0-based and monotonic increasing */ 1282 struct list_head list; /* rtd list of the soc card */ 1283 struct list_head component_list; /* list of connected components */ 1284 1285 /* bit field */ 1286 unsigned int dev_registered:1; 1287 unsigned int pop_wait:1; 1288 unsigned int fe_compr:1; /* for Dynamic PCM */ 1289 }; 1290 #define for_each_rtd_codec_dai(rtd, i, dai)\ 1291 for ((i) = 0; \ 1292 ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \ 1293 (i)++) 1294 #define for_each_rtd_codec_dai_rollback(rtd, i, dai) \ 1295 for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);) 1296 1297 1298 /* mixer control */ 1299 struct soc_mixer_control { 1300 int min, max, platform_max; 1301 int reg, rreg; 1302 unsigned int shift, rshift; 1303 unsigned int sign_bit; 1304 unsigned int invert:1; 1305 unsigned int autodisable:1; 1306 struct snd_soc_dobj dobj; 1307 }; 1308 1309 struct soc_bytes { 1310 int base; 1311 int num_regs; 1312 u32 mask; 1313 }; 1314 1315 struct soc_bytes_ext { 1316 int max; 1317 struct snd_soc_dobj dobj; 1318 1319 /* used for TLV byte control */ 1320 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1321 unsigned int size); 1322 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1323 unsigned int size); 1324 }; 1325 1326 /* multi register control */ 1327 struct soc_mreg_control { 1328 long min, max; 1329 unsigned int regbase, regcount, nbits, invert; 1330 }; 1331 1332 /* enumerated kcontrol */ 1333 struct soc_enum { 1334 int reg; 1335 unsigned char shift_l; 1336 unsigned char shift_r; 1337 unsigned int items; 1338 unsigned int mask; 1339 const char * const *texts; 1340 const unsigned int *values; 1341 unsigned int autodisable:1; 1342 struct snd_soc_dobj dobj; 1343 }; 1344 1345 /** 1346 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is 1347 * embedded in 1348 * @dapm: The DAPM context to cast to the component 1349 * 1350 * This function must only be used on DAPM contexts that are known to be part of 1351 * a component (e.g. in a component driver). Otherwise the behavior is 1352 * undefined. 1353 */ 1354 static inline struct snd_soc_component *snd_soc_dapm_to_component( 1355 struct snd_soc_dapm_context *dapm) 1356 { 1357 return container_of(dapm, struct snd_soc_component, dapm); 1358 } 1359 1360 /** 1361 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a 1362 * component 1363 * @component: The component for which to get the DAPM context 1364 */ 1365 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( 1366 struct snd_soc_component *component) 1367 { 1368 return &component->dapm; 1369 } 1370 1371 /** 1372 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level 1373 * @component: The COMPONENT for which to initialize the DAPM bias level 1374 * @level: The DAPM level to initialize to 1375 * 1376 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level(). 1377 */ 1378 static inline void 1379 snd_soc_component_init_bias_level(struct snd_soc_component *component, 1380 enum snd_soc_bias_level level) 1381 { 1382 snd_soc_dapm_init_bias_level( 1383 snd_soc_component_get_dapm(component), level); 1384 } 1385 1386 /** 1387 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level 1388 * @component: The COMPONENT for which to get the DAPM bias level 1389 * 1390 * Returns: The current DAPM bias level of the COMPONENT. 1391 */ 1392 static inline enum snd_soc_bias_level 1393 snd_soc_component_get_bias_level(struct snd_soc_component *component) 1394 { 1395 return snd_soc_dapm_get_bias_level( 1396 snd_soc_component_get_dapm(component)); 1397 } 1398 1399 /** 1400 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level 1401 * @component: The COMPONENT for which to set the level 1402 * @level: The level to set to 1403 * 1404 * Forces the COMPONENT bias level to a specific state. See 1405 * snd_soc_dapm_force_bias_level(). 1406 */ 1407 static inline int 1408 snd_soc_component_force_bias_level(struct snd_soc_component *component, 1409 enum snd_soc_bias_level level) 1410 { 1411 return snd_soc_dapm_force_bias_level( 1412 snd_soc_component_get_dapm(component), 1413 level); 1414 } 1415 1416 /** 1417 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol 1418 * @kcontrol: The kcontrol 1419 * 1420 * This function must only be used on DAPM contexts that are known to be part of 1421 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined. 1422 */ 1423 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component( 1424 struct snd_kcontrol *kcontrol) 1425 { 1426 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol)); 1427 } 1428 1429 /** 1430 * snd_soc_component_cache_sync() - Sync the register cache with the hardware 1431 * @component: COMPONENT to sync 1432 * 1433 * Note: This function will call regcache_sync() 1434 */ 1435 static inline int snd_soc_component_cache_sync( 1436 struct snd_soc_component *component) 1437 { 1438 return regcache_sync(component->regmap); 1439 } 1440 1441 /* component IO */ 1442 int snd_soc_component_read(struct snd_soc_component *component, 1443 unsigned int reg, unsigned int *val); 1444 unsigned int snd_soc_component_read32(struct snd_soc_component *component, 1445 unsigned int reg); 1446 int snd_soc_component_write(struct snd_soc_component *component, 1447 unsigned int reg, unsigned int val); 1448 int snd_soc_component_update_bits(struct snd_soc_component *component, 1449 unsigned int reg, unsigned int mask, unsigned int val); 1450 int snd_soc_component_update_bits_async(struct snd_soc_component *component, 1451 unsigned int reg, unsigned int mask, unsigned int val); 1452 void snd_soc_component_async_complete(struct snd_soc_component *component); 1453 int snd_soc_component_test_bits(struct snd_soc_component *component, 1454 unsigned int reg, unsigned int mask, unsigned int value); 1455 1456 /* component wide operations */ 1457 int snd_soc_component_set_sysclk(struct snd_soc_component *component, 1458 int clk_id, int source, unsigned int freq, int dir); 1459 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id, 1460 int source, unsigned int freq_in, 1461 unsigned int freq_out); 1462 int snd_soc_component_set_jack(struct snd_soc_component *component, 1463 struct snd_soc_jack *jack, void *data); 1464 1465 #ifdef CONFIG_REGMAP 1466 1467 void snd_soc_component_init_regmap(struct snd_soc_component *component, 1468 struct regmap *regmap); 1469 void snd_soc_component_exit_regmap(struct snd_soc_component *component); 1470 1471 #endif 1472 1473 /* device driver data */ 1474 1475 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1476 void *data) 1477 { 1478 card->drvdata = data; 1479 } 1480 1481 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1482 { 1483 return card->drvdata; 1484 } 1485 1486 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, 1487 void *data) 1488 { 1489 dev_set_drvdata(c->dev, data); 1490 } 1491 1492 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) 1493 { 1494 return dev_get_drvdata(c->dev); 1495 } 1496 1497 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1498 { 1499 INIT_LIST_HEAD(&card->widgets); 1500 INIT_LIST_HEAD(&card->paths); 1501 INIT_LIST_HEAD(&card->dapm_list); 1502 INIT_LIST_HEAD(&card->aux_comp_list); 1503 INIT_LIST_HEAD(&card->component_dev_list); 1504 INIT_LIST_HEAD(&card->list); 1505 } 1506 1507 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1508 { 1509 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1510 return 0; 1511 /* 1512 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1513 * mc->reg != mc->rreg means that the control is 1514 * stereo (bits in one register or in two registers) 1515 */ 1516 return 1; 1517 } 1518 1519 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, 1520 unsigned int val) 1521 { 1522 unsigned int i; 1523 1524 if (!e->values) 1525 return val; 1526 1527 for (i = 0; i < e->items; i++) 1528 if (val == e->values[i]) 1529 return i; 1530 1531 return 0; 1532 } 1533 1534 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, 1535 unsigned int item) 1536 { 1537 if (!e->values) 1538 return item; 1539 1540 return e->values[item]; 1541 } 1542 1543 static inline bool snd_soc_component_is_active( 1544 struct snd_soc_component *component) 1545 { 1546 return component->active != 0; 1547 } 1548 1549 /** 1550 * snd_soc_kcontrol_component() - Returns the component that registered the 1551 * control 1552 * @kcontrol: The control for which to get the component 1553 * 1554 * Note: This function will work correctly if the control has been registered 1555 * for a component. With snd_soc_add_codec_controls() or via table based 1556 * setup for either a CODEC or component driver. Otherwise the behavior is 1557 * undefined. 1558 */ 1559 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1560 struct snd_kcontrol *kcontrol) 1561 { 1562 return snd_kcontrol_chip(kcontrol); 1563 } 1564 1565 int snd_soc_util_init(void); 1566 void snd_soc_util_exit(void); 1567 1568 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1569 const char *propname); 1570 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1571 const char *propname); 1572 int snd_soc_of_get_slot_mask(struct device_node *np, 1573 const char *prop_name, 1574 unsigned int *mask); 1575 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1576 unsigned int *tx_mask, 1577 unsigned int *rx_mask, 1578 unsigned int *slots, 1579 unsigned int *slot_width); 1580 void snd_soc_of_parse_node_prefix(struct device_node *np, 1581 struct snd_soc_codec_conf *codec_conf, 1582 struct device_node *of_node, 1583 const char *propname); 1584 static inline 1585 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1586 struct snd_soc_codec_conf *codec_conf, 1587 struct device_node *of_node, 1588 const char *propname) 1589 { 1590 snd_soc_of_parse_node_prefix(card->dev->of_node, 1591 codec_conf, of_node, propname); 1592 } 1593 1594 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1595 const char *propname); 1596 unsigned int snd_soc_of_parse_daifmt(struct device_node *np, 1597 const char *prefix, 1598 struct device_node **bitclkmaster, 1599 struct device_node **framemaster); 1600 int snd_soc_get_dai_id(struct device_node *ep); 1601 int snd_soc_get_dai_name(struct of_phandle_args *args, 1602 const char **dai_name); 1603 int snd_soc_of_get_dai_name(struct device_node *of_node, 1604 const char **dai_name); 1605 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1606 struct device_node *of_node, 1607 struct snd_soc_dai_link *dai_link); 1608 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1609 1610 int snd_soc_add_dai_link(struct snd_soc_card *card, 1611 struct snd_soc_dai_link *dai_link); 1612 void snd_soc_remove_dai_link(struct snd_soc_card *card, 1613 struct snd_soc_dai_link *dai_link); 1614 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card, 1615 int id, const char *name, 1616 const char *stream_name); 1617 1618 int snd_soc_register_dai(struct snd_soc_component *component, 1619 struct snd_soc_dai_driver *dai_drv); 1620 1621 struct snd_soc_dai *snd_soc_find_dai( 1622 const struct snd_soc_dai_link_component *dlc); 1623 1624 #include <sound/soc-dai.h> 1625 1626 static inline 1627 struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card, 1628 const char *dai_name) 1629 { 1630 struct snd_soc_pcm_runtime *rtd; 1631 1632 list_for_each_entry(rtd, &card->rtd_list, list) { 1633 if (!strcmp(rtd->codec_dai->name, dai_name)) 1634 return rtd->codec_dai; 1635 } 1636 1637 return NULL; 1638 } 1639 1640 static inline 1641 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 1642 const char *platform_name) 1643 { 1644 struct snd_soc_dai_link *dai_link; 1645 const char *name; 1646 int i; 1647 1648 if (!platform_name) /* nothing to do */ 1649 return 0; 1650 1651 /* set platform name for each dailink */ 1652 for_each_card_prelinks(card, i, dai_link) { 1653 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); 1654 if (!name) 1655 return -ENOMEM; 1656 1657 if (!dai_link->platforms) 1658 return -EINVAL; 1659 1660 /* only single platform is supported for now */ 1661 dai_link->platforms->name = name; 1662 } 1663 1664 return 0; 1665 } 1666 1667 #ifdef CONFIG_DEBUG_FS 1668 extern struct dentry *snd_soc_debugfs_root; 1669 #endif 1670 1671 extern const struct dev_pm_ops snd_soc_pm_ops; 1672 1673 /* Helper functions */ 1674 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) 1675 { 1676 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1677 } 1678 1679 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) 1680 { 1681 mutex_unlock(&dapm->card->dapm_mutex); 1682 } 1683 1684 int snd_soc_component_enable_pin(struct snd_soc_component *component, 1685 const char *pin); 1686 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component, 1687 const char *pin); 1688 int snd_soc_component_disable_pin(struct snd_soc_component *component, 1689 const char *pin); 1690 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component, 1691 const char *pin); 1692 int snd_soc_component_nc_pin(struct snd_soc_component *component, 1693 const char *pin); 1694 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component, 1695 const char *pin); 1696 int snd_soc_component_get_pin_status(struct snd_soc_component *component, 1697 const char *pin); 1698 int snd_soc_component_force_enable_pin(struct snd_soc_component *component, 1699 const char *pin); 1700 int snd_soc_component_force_enable_pin_unlocked( 1701 struct snd_soc_component *component, 1702 const char *pin); 1703 1704 #endif 1705