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 /* 376 * Bias levels 377 * 378 * @ON: Bias is fully on for audio playback and capture operations. 379 * @PREPARE: Prepare for audio operations. Called before DAPM switching for 380 * stream start and stop operations. 381 * @STANDBY: Low power standby state when no playback/capture operations are 382 * in progress. NOTE: The transition time between STANDBY and ON 383 * should be as fast as possible and no longer than 10ms. 384 * @OFF: Power Off. No restrictions on transition times. 385 */ 386 enum snd_soc_bias_level { 387 SND_SOC_BIAS_OFF = 0, 388 SND_SOC_BIAS_STANDBY = 1, 389 SND_SOC_BIAS_PREPARE = 2, 390 SND_SOC_BIAS_ON = 3, 391 }; 392 393 struct device_node; 394 struct snd_jack; 395 struct snd_soc_card; 396 struct snd_soc_pcm_stream; 397 struct snd_soc_ops; 398 struct snd_soc_pcm_runtime; 399 struct snd_soc_dai; 400 struct snd_soc_dai_driver; 401 struct snd_soc_dai_link; 402 struct snd_soc_component; 403 struct snd_soc_component_driver; 404 struct soc_enum; 405 struct snd_soc_jack; 406 struct snd_soc_jack_zone; 407 struct snd_soc_jack_pin; 408 #include <sound/soc-dapm.h> 409 #include <sound/soc-dpcm.h> 410 #include <sound/soc-topology.h> 411 412 struct snd_soc_jack_gpio; 413 414 typedef int (*hw_write_t)(void *,const char* ,int); 415 416 enum snd_soc_pcm_subclass { 417 SND_SOC_PCM_CLASS_PCM = 0, 418 SND_SOC_PCM_CLASS_BE = 1, 419 }; 420 421 enum snd_soc_card_subclass { 422 SND_SOC_CARD_CLASS_INIT = 0, 423 SND_SOC_CARD_CLASS_RUNTIME = 1, 424 }; 425 426 int snd_soc_register_card(struct snd_soc_card *card); 427 int snd_soc_unregister_card(struct snd_soc_card *card); 428 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); 429 #ifdef CONFIG_PM_SLEEP 430 int snd_soc_suspend(struct device *dev); 431 int snd_soc_resume(struct device *dev); 432 #else 433 static inline int snd_soc_suspend(struct device *dev) 434 { 435 return 0; 436 } 437 438 static inline int snd_soc_resume(struct device *dev) 439 { 440 return 0; 441 } 442 #endif 443 int snd_soc_poweroff(struct device *dev); 444 int snd_soc_add_component(struct device *dev, 445 struct snd_soc_component *component, 446 const struct snd_soc_component_driver *component_driver, 447 struct snd_soc_dai_driver *dai_drv, 448 int num_dai); 449 int snd_soc_register_component(struct device *dev, 450 const struct snd_soc_component_driver *component_driver, 451 struct snd_soc_dai_driver *dai_drv, int num_dai); 452 int devm_snd_soc_register_component(struct device *dev, 453 const struct snd_soc_component_driver *component_driver, 454 struct snd_soc_dai_driver *dai_drv, int num_dai); 455 void snd_soc_unregister_component(struct device *dev); 456 struct snd_soc_component *snd_soc_lookup_component(struct device *dev, 457 const char *driver_name); 458 459 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); 460 #ifdef CONFIG_SND_SOC_COMPRESS 461 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); 462 #else 463 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) 464 { 465 return 0; 466 } 467 #endif 468 469 void snd_soc_disconnect_sync(struct device *dev); 470 471 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, 472 const char *dai_link, int stream); 473 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, 474 const char *dai_link); 475 476 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); 477 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); 478 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); 479 480 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, 481 unsigned int dai_fmt); 482 483 #ifdef CONFIG_DMI 484 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); 485 #else 486 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, 487 const char *flavour) 488 { 489 return 0; 490 } 491 #endif 492 493 /* Utility functions to get clock rates from various things */ 494 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 495 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); 496 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); 497 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); 498 499 /* set runtime hw params */ 500 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, 501 const struct snd_pcm_hardware *hw); 502 503 int soc_dai_hw_params(struct snd_pcm_substream *substream, 504 struct snd_pcm_hw_params *params, 505 struct snd_soc_dai *dai); 506 507 /* Jack reporting */ 508 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type, 509 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins, 510 unsigned int num_pins); 511 512 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); 513 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, 514 struct snd_soc_jack_pin *pins); 515 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, 516 struct notifier_block *nb); 517 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, 518 struct notifier_block *nb); 519 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, 520 struct snd_soc_jack_zone *zones); 521 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); 522 #ifdef CONFIG_GPIOLIB 523 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 524 struct snd_soc_jack_gpio *gpios); 525 int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 526 struct snd_soc_jack *jack, 527 int count, struct snd_soc_jack_gpio *gpios); 528 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 529 struct snd_soc_jack_gpio *gpios); 530 #else 531 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, 532 struct snd_soc_jack_gpio *gpios) 533 { 534 return 0; 535 } 536 537 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev, 538 struct snd_soc_jack *jack, 539 int count, 540 struct snd_soc_jack_gpio *gpios) 541 { 542 return 0; 543 } 544 545 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, 546 struct snd_soc_jack_gpio *gpios) 547 { 548 } 549 #endif 550 551 #ifdef CONFIG_SND_SOC_AC97_BUS 552 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); 553 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, 554 unsigned int id, unsigned int id_mask); 555 void snd_soc_free_ac97_component(struct snd_ac97 *ac97); 556 557 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); 558 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 559 struct platform_device *pdev); 560 561 extern struct snd_ac97_bus_ops *soc_ac97_ops; 562 #else 563 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, 564 struct platform_device *pdev) 565 { 566 return 0; 567 } 568 569 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) 570 { 571 return 0; 572 } 573 #endif 574 575 /* 576 *Controls 577 */ 578 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, 579 void *data, const char *long_name, 580 const char *prefix); 581 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, 582 const char *name); 583 int snd_soc_add_component_controls(struct snd_soc_component *component, 584 const struct snd_kcontrol_new *controls, unsigned int num_controls); 585 int snd_soc_add_card_controls(struct snd_soc_card *soc_card, 586 const struct snd_kcontrol_new *controls, int num_controls); 587 int snd_soc_add_dai_controls(struct snd_soc_dai *dai, 588 const struct snd_kcontrol_new *controls, int num_controls); 589 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, 590 struct snd_ctl_elem_info *uinfo); 591 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, 592 struct snd_ctl_elem_value *ucontrol); 593 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, 594 struct snd_ctl_elem_value *ucontrol); 595 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, 596 struct snd_ctl_elem_info *uinfo); 597 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, 598 struct snd_ctl_elem_info *uinfo); 599 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info 600 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, 601 struct snd_ctl_elem_value *ucontrol); 602 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, 603 struct snd_ctl_elem_value *ucontrol); 604 #define snd_soc_get_volsw_2r snd_soc_get_volsw 605 #define snd_soc_put_volsw_2r snd_soc_put_volsw 606 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, 607 struct snd_ctl_elem_value *ucontrol); 608 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, 609 struct snd_ctl_elem_value *ucontrol); 610 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, 611 struct snd_ctl_elem_info *uinfo); 612 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, 613 struct snd_ctl_elem_value *ucontrol); 614 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, 615 struct snd_ctl_elem_value *ucontrol); 616 int snd_soc_limit_volume(struct snd_soc_card *card, 617 const char *name, int max); 618 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, 619 struct snd_ctl_elem_info *uinfo); 620 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, 621 struct snd_ctl_elem_value *ucontrol); 622 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, 623 struct snd_ctl_elem_value *ucontrol); 624 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, 625 struct snd_ctl_elem_info *ucontrol); 626 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, 627 unsigned int size, unsigned int __user *tlv); 628 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, 629 struct snd_ctl_elem_info *uinfo); 630 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, 631 struct snd_ctl_elem_value *ucontrol); 632 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, 633 struct snd_ctl_elem_value *ucontrol); 634 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, 635 struct snd_ctl_elem_value *ucontrol); 636 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, 637 struct snd_ctl_elem_value *ucontrol); 638 639 /** 640 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection 641 * 642 * @pin: name of the pin to update 643 * @mask: bits to check for in reported jack status 644 * @invert: if non-zero then pin is enabled when status is not reported 645 * @list: internal list entry 646 */ 647 struct snd_soc_jack_pin { 648 struct list_head list; 649 const char *pin; 650 int mask; 651 bool invert; 652 }; 653 654 /** 655 * struct snd_soc_jack_zone - Describes voltage zones of jack detection 656 * 657 * @min_mv: start voltage in mv 658 * @max_mv: end voltage in mv 659 * @jack_type: type of jack that is expected for this voltage 660 * @debounce_time: debounce_time for jack, codec driver should wait for this 661 * duration before reading the adc for voltages 662 * @list: internal list entry 663 */ 664 struct snd_soc_jack_zone { 665 unsigned int min_mv; 666 unsigned int max_mv; 667 unsigned int jack_type; 668 unsigned int debounce_time; 669 struct list_head list; 670 }; 671 672 /** 673 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection 674 * 675 * @gpio: legacy gpio number 676 * @idx: gpio descriptor index within the function of the GPIO 677 * consumer device 678 * @gpiod_dev: GPIO consumer device 679 * @name: gpio name. Also as connection ID for the GPIO consumer 680 * device function name lookup 681 * @report: value to report when jack detected 682 * @invert: report presence in low state 683 * @debounce_time: debounce time in ms 684 * @wake: enable as wake source 685 * @jack_status_check: callback function which overrides the detection 686 * to provide more complex checks (eg, reading an 687 * ADC). 688 */ 689 struct snd_soc_jack_gpio { 690 unsigned int gpio; 691 unsigned int idx; 692 struct device *gpiod_dev; 693 const char *name; 694 int report; 695 int invert; 696 int debounce_time; 697 bool wake; 698 699 /* private: */ 700 struct snd_soc_jack *jack; 701 struct delayed_work work; 702 struct notifier_block pm_notifier; 703 struct gpio_desc *desc; 704 705 void *data; 706 /* public: */ 707 int (*jack_status_check)(void *data); 708 }; 709 710 struct snd_soc_jack { 711 struct mutex mutex; 712 struct snd_jack *jack; 713 struct snd_soc_card *card; 714 struct list_head pins; 715 int status; 716 struct blocking_notifier_head notifier; 717 struct list_head jack_zones; 718 }; 719 720 /* SoC PCM stream information */ 721 struct snd_soc_pcm_stream { 722 const char *stream_name; 723 u64 formats; /* SNDRV_PCM_FMTBIT_* */ 724 unsigned int rates; /* SNDRV_PCM_RATE_* */ 725 unsigned int rate_min; /* min rate */ 726 unsigned int rate_max; /* max rate */ 727 unsigned int channels_min; /* min channels */ 728 unsigned int channels_max; /* max channels */ 729 unsigned int sig_bits; /* number of bits of content */ 730 }; 731 732 /* SoC audio ops */ 733 struct snd_soc_ops { 734 int (*startup)(struct snd_pcm_substream *); 735 void (*shutdown)(struct snd_pcm_substream *); 736 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); 737 int (*hw_free)(struct snd_pcm_substream *); 738 int (*prepare)(struct snd_pcm_substream *); 739 int (*trigger)(struct snd_pcm_substream *, int); 740 }; 741 742 struct snd_soc_compr_ops { 743 int (*startup)(struct snd_compr_stream *); 744 void (*shutdown)(struct snd_compr_stream *); 745 int (*set_params)(struct snd_compr_stream *); 746 int (*trigger)(struct snd_compr_stream *); 747 }; 748 749 /* component interface */ 750 struct snd_soc_component_driver { 751 const char *name; 752 753 /* Default control and setup, added after probe() is run */ 754 const struct snd_kcontrol_new *controls; 755 unsigned int num_controls; 756 const struct snd_soc_dapm_widget *dapm_widgets; 757 unsigned int num_dapm_widgets; 758 const struct snd_soc_dapm_route *dapm_routes; 759 unsigned int num_dapm_routes; 760 761 int (*probe)(struct snd_soc_component *); 762 void (*remove)(struct snd_soc_component *); 763 int (*suspend)(struct snd_soc_component *); 764 int (*resume)(struct snd_soc_component *); 765 766 unsigned int (*read)(struct snd_soc_component *, unsigned int); 767 int (*write)(struct snd_soc_component *, unsigned int, unsigned int); 768 769 /* pcm creation and destruction */ 770 int (*pcm_new)(struct snd_soc_pcm_runtime *); 771 void (*pcm_free)(struct snd_pcm *); 772 773 /* component wide operations */ 774 int (*set_sysclk)(struct snd_soc_component *component, 775 int clk_id, int source, unsigned int freq, int dir); 776 int (*set_pll)(struct snd_soc_component *component, int pll_id, 777 int source, unsigned int freq_in, unsigned int freq_out); 778 int (*set_jack)(struct snd_soc_component *component, 779 struct snd_soc_jack *jack, void *data); 780 781 /* DT */ 782 int (*of_xlate_dai_name)(struct snd_soc_component *component, 783 struct of_phandle_args *args, 784 const char **dai_name); 785 int (*of_xlate_dai_id)(struct snd_soc_component *comment, 786 struct device_node *endpoint); 787 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type, 788 int subseq); 789 int (*stream_event)(struct snd_soc_component *, int event); 790 int (*set_bias_level)(struct snd_soc_component *component, 791 enum snd_soc_bias_level level); 792 793 const struct snd_pcm_ops *ops; 794 const struct snd_compr_ops *compr_ops; 795 796 /* probe ordering - for components with runtime dependencies */ 797 int probe_order; 798 int remove_order; 799 800 /* bits */ 801 unsigned int idle_bias_on:1; 802 unsigned int suspend_bias_off:1; 803 unsigned int use_pmdown_time:1; /* care pmdown_time at stop */ 804 unsigned int endianness:1; 805 unsigned int non_legacy_dai_naming:1; 806 }; 807 808 struct snd_soc_component { 809 const char *name; 810 int id; 811 const char *name_prefix; 812 struct device *dev; 813 struct snd_soc_card *card; 814 815 unsigned int active; 816 817 unsigned int suspended:1; /* is in suspend PM state */ 818 819 struct list_head list; 820 struct list_head card_aux_list; /* for auxiliary bound components */ 821 struct list_head card_list; 822 823 const struct snd_soc_component_driver *driver; 824 825 struct list_head dai_list; 826 int num_dai; 827 828 struct regmap *regmap; 829 int val_bytes; 830 831 struct mutex io_mutex; 832 833 /* attached dynamic objects */ 834 struct list_head dobj_list; 835 836 /* 837 * DO NOT use any of the fields below in drivers, they are temporary and 838 * are going to be removed again soon. If you use them in driver code the 839 * driver will be marked as BROKEN when these fields are removed. 840 */ 841 842 /* Don't use these, use snd_soc_component_get_dapm() */ 843 struct snd_soc_dapm_context dapm; 844 845 /* machine specific init */ 846 int (*init)(struct snd_soc_component *component); 847 848 #ifdef CONFIG_DEBUG_FS 849 struct dentry *debugfs_root; 850 const char *debugfs_prefix; 851 #endif 852 }; 853 854 struct snd_soc_rtdcom_list { 855 struct snd_soc_component *component; 856 struct list_head list; /* rtd::component_list */ 857 }; 858 struct snd_soc_component* 859 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, 860 const char *driver_name); 861 #define for_each_rtdcom(rtd, rtdcom) \ 862 list_for_each_entry(rtdcom, &(rtd)->component_list, list) 863 #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \ 864 list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list) 865 866 struct snd_soc_dai_link_component { 867 const char *name; 868 struct device_node *of_node; 869 const char *dai_name; 870 }; 871 872 struct snd_soc_dai_link { 873 /* config - must be set by machine driver */ 874 const char *name; /* Codec name */ 875 const char *stream_name; /* Stream name */ 876 /* 877 * You MAY specify the link's CPU-side device, either by device name, 878 * or by DT/OF node, but not both. If this information is omitted, 879 * the CPU-side DAI is matched using .cpu_dai_name only, which hence 880 * must be globally unique. These fields are currently typically used 881 * only for codec to codec links, or systems using device tree. 882 */ 883 const char *cpu_name; 884 struct device_node *cpu_of_node; 885 /* 886 * You MAY specify the DAI name of the CPU DAI. If this information is 887 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node 888 * only, which only works well when that device exposes a single DAI. 889 */ 890 const char *cpu_dai_name; 891 /* 892 * You MUST specify the link's codec, either by device name, or by 893 * DT/OF node, but not both. 894 */ 895 const char *codec_name; 896 struct device_node *codec_of_node; 897 /* You MUST specify the DAI name within the codec */ 898 const char *codec_dai_name; 899 900 struct snd_soc_dai_link_component *codecs; 901 unsigned int num_codecs; 902 903 /* 904 * You MAY specify the link's platform/PCM/DMA driver, either by 905 * device name, or by DT/OF node, but not both. Some forms of link 906 * do not need a platform. 907 */ 908 const char *platform_name; 909 struct device_node *platform_of_node; 910 int id; /* optional ID for machine driver link identification */ 911 912 const struct snd_soc_pcm_stream *params; 913 unsigned int num_params; 914 915 unsigned int dai_fmt; /* format to set on init */ 916 917 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ 918 919 /* codec/machine specific init - e.g. add machine controls */ 920 int (*init)(struct snd_soc_pcm_runtime *rtd); 921 922 /* optional hw_params re-writing for BE and FE sync */ 923 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 924 struct snd_pcm_hw_params *params); 925 926 /* machine stream operations */ 927 const struct snd_soc_ops *ops; 928 const struct snd_soc_compr_ops *compr_ops; 929 930 /* Mark this pcm with non atomic ops */ 931 bool nonatomic; 932 933 /* For unidirectional dai links */ 934 unsigned int playback_only:1; 935 unsigned int capture_only:1; 936 937 /* Keep DAI active over suspend */ 938 unsigned int ignore_suspend:1; 939 940 /* Symmetry requirements */ 941 unsigned int symmetric_rates:1; 942 unsigned int symmetric_channels:1; 943 unsigned int symmetric_samplebits:1; 944 945 /* Do not create a PCM for this DAI link (Backend link) */ 946 unsigned int no_pcm:1; 947 948 /* This DAI link can route to other DAI links at runtime (Frontend)*/ 949 unsigned int dynamic:1; 950 951 /* DPCM capture and Playback support */ 952 unsigned int dpcm_capture:1; 953 unsigned int dpcm_playback:1; 954 955 /* DPCM used FE & BE merged format */ 956 unsigned int dpcm_merged_format:1; 957 /* DPCM used FE & BE merged channel */ 958 unsigned int dpcm_merged_chan:1; 959 960 /* pmdown_time is ignored at stop */ 961 unsigned int ignore_pmdown_time:1; 962 963 struct list_head list; /* DAI link list of the soc card */ 964 struct snd_soc_dobj dobj; /* For topology */ 965 }; 966 967 struct snd_soc_codec_conf { 968 /* 969 * specify device either by device name, or by 970 * DT/OF node, but not both. 971 */ 972 const char *dev_name; 973 struct device_node *of_node; 974 975 /* 976 * optional map of kcontrol, widget and path name prefixes that are 977 * associated per device 978 */ 979 const char *name_prefix; 980 }; 981 982 struct snd_soc_aux_dev { 983 const char *name; /* Codec name */ 984 985 /* 986 * specify multi-codec either by device name, or by 987 * DT/OF node, but not both. 988 */ 989 const char *codec_name; 990 struct device_node *codec_of_node; 991 992 /* codec/machine specific init - e.g. add machine controls */ 993 int (*init)(struct snd_soc_component *component); 994 }; 995 996 /* SoC card */ 997 struct snd_soc_card { 998 const char *name; 999 const char *long_name; 1000 const char *driver_name; 1001 char dmi_longname[80]; 1002 1003 struct device *dev; 1004 struct snd_card *snd_card; 1005 struct module *owner; 1006 1007 struct mutex mutex; 1008 struct mutex dapm_mutex; 1009 1010 bool instantiated; 1011 1012 int (*probe)(struct snd_soc_card *card); 1013 int (*late_probe)(struct snd_soc_card *card); 1014 int (*remove)(struct snd_soc_card *card); 1015 1016 /* the pre and post PM functions are used to do any PM work before and 1017 * after the codec and DAI's do any PM work. */ 1018 int (*suspend_pre)(struct snd_soc_card *card); 1019 int (*suspend_post)(struct snd_soc_card *card); 1020 int (*resume_pre)(struct snd_soc_card *card); 1021 int (*resume_post)(struct snd_soc_card *card); 1022 1023 /* callbacks */ 1024 int (*set_bias_level)(struct snd_soc_card *, 1025 struct snd_soc_dapm_context *dapm, 1026 enum snd_soc_bias_level level); 1027 int (*set_bias_level_post)(struct snd_soc_card *, 1028 struct snd_soc_dapm_context *dapm, 1029 enum snd_soc_bias_level level); 1030 1031 int (*add_dai_link)(struct snd_soc_card *, 1032 struct snd_soc_dai_link *link); 1033 void (*remove_dai_link)(struct snd_soc_card *, 1034 struct snd_soc_dai_link *link); 1035 1036 long pmdown_time; 1037 1038 /* CPU <--> Codec DAI links */ 1039 struct snd_soc_dai_link *dai_link; /* predefined links only */ 1040 int num_links; /* predefined links only */ 1041 struct list_head dai_link_list; /* all links */ 1042 int num_dai_links; 1043 1044 struct list_head rtd_list; 1045 int num_rtd; 1046 1047 /* optional codec specific configuration */ 1048 struct snd_soc_codec_conf *codec_conf; 1049 int num_configs; 1050 1051 /* 1052 * optional auxiliary devices such as amplifiers or codecs with DAI 1053 * link unused 1054 */ 1055 struct snd_soc_aux_dev *aux_dev; 1056 int num_aux_devs; 1057 struct list_head aux_comp_list; 1058 1059 const struct snd_kcontrol_new *controls; 1060 int num_controls; 1061 1062 /* 1063 * Card-specific routes and widgets. 1064 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. 1065 */ 1066 const struct snd_soc_dapm_widget *dapm_widgets; 1067 int num_dapm_widgets; 1068 const struct snd_soc_dapm_route *dapm_routes; 1069 int num_dapm_routes; 1070 const struct snd_soc_dapm_widget *of_dapm_widgets; 1071 int num_of_dapm_widgets; 1072 const struct snd_soc_dapm_route *of_dapm_routes; 1073 int num_of_dapm_routes; 1074 bool fully_routed; 1075 1076 struct work_struct deferred_resume_work; 1077 1078 /* lists of probed devices belonging to this card */ 1079 struct list_head component_dev_list; 1080 1081 struct list_head widgets; 1082 struct list_head paths; 1083 struct list_head dapm_list; 1084 struct list_head dapm_dirty; 1085 1086 /* attached dynamic objects */ 1087 struct list_head dobj_list; 1088 1089 /* Generic DAPM context for the card */ 1090 struct snd_soc_dapm_context dapm; 1091 struct snd_soc_dapm_stats dapm_stats; 1092 struct snd_soc_dapm_update *update; 1093 1094 #ifdef CONFIG_DEBUG_FS 1095 struct dentry *debugfs_card_root; 1096 struct dentry *debugfs_pop_time; 1097 #endif 1098 u32 pop_time; 1099 1100 void *drvdata; 1101 }; 1102 1103 /* SoC machine DAI configuration, glues a codec and cpu DAI together */ 1104 struct snd_soc_pcm_runtime { 1105 struct device *dev; 1106 struct snd_soc_card *card; 1107 struct snd_soc_dai_link *dai_link; 1108 struct mutex pcm_mutex; 1109 enum snd_soc_pcm_subclass pcm_subclass; 1110 struct snd_pcm_ops ops; 1111 1112 /* Dynamic PCM BE runtime data */ 1113 struct snd_soc_dpcm_runtime dpcm[2]; 1114 int fe_compr; 1115 1116 long pmdown_time; 1117 1118 /* runtime devices */ 1119 struct snd_pcm *pcm; 1120 struct snd_compr *compr; 1121 struct snd_soc_dai *codec_dai; 1122 struct snd_soc_dai *cpu_dai; 1123 1124 struct snd_soc_dai **codec_dais; 1125 unsigned int num_codecs; 1126 1127 struct delayed_work delayed_work; 1128 #ifdef CONFIG_DEBUG_FS 1129 struct dentry *debugfs_dpcm_root; 1130 #endif 1131 1132 unsigned int num; /* 0-based and monotonic increasing */ 1133 struct list_head list; /* rtd list of the soc card */ 1134 struct list_head component_list; /* list of connected components */ 1135 1136 /* bit field */ 1137 unsigned int dev_registered:1; 1138 unsigned int pop_wait:1; 1139 }; 1140 1141 /* mixer control */ 1142 struct soc_mixer_control { 1143 int min, max, platform_max; 1144 int reg, rreg; 1145 unsigned int shift, rshift; 1146 unsigned int sign_bit; 1147 unsigned int invert:1; 1148 unsigned int autodisable:1; 1149 struct snd_soc_dobj dobj; 1150 }; 1151 1152 struct soc_bytes { 1153 int base; 1154 int num_regs; 1155 u32 mask; 1156 }; 1157 1158 struct soc_bytes_ext { 1159 int max; 1160 struct snd_soc_dobj dobj; 1161 1162 /* used for TLV byte control */ 1163 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, 1164 unsigned int size); 1165 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, 1166 unsigned int size); 1167 }; 1168 1169 /* multi register control */ 1170 struct soc_mreg_control { 1171 long min, max; 1172 unsigned int regbase, regcount, nbits, invert; 1173 }; 1174 1175 /* enumerated kcontrol */ 1176 struct soc_enum { 1177 int reg; 1178 unsigned char shift_l; 1179 unsigned char shift_r; 1180 unsigned int items; 1181 unsigned int mask; 1182 const char * const *texts; 1183 const unsigned int *values; 1184 unsigned int autodisable:1; 1185 struct snd_soc_dobj dobj; 1186 }; 1187 1188 /** 1189 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is 1190 * embedded in 1191 * @dapm: The DAPM context to cast to the component 1192 * 1193 * This function must only be used on DAPM contexts that are known to be part of 1194 * a component (e.g. in a component driver). Otherwise the behavior is 1195 * undefined. 1196 */ 1197 static inline struct snd_soc_component *snd_soc_dapm_to_component( 1198 struct snd_soc_dapm_context *dapm) 1199 { 1200 return container_of(dapm, struct snd_soc_component, dapm); 1201 } 1202 1203 /** 1204 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a 1205 * component 1206 * @component: The component for which to get the DAPM context 1207 */ 1208 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( 1209 struct snd_soc_component *component) 1210 { 1211 return &component->dapm; 1212 } 1213 1214 /** 1215 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level 1216 * @component: The COMPONENT for which to initialize the DAPM bias level 1217 * @level: The DAPM level to initialize to 1218 * 1219 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level(). 1220 */ 1221 static inline void 1222 snd_soc_component_init_bias_level(struct snd_soc_component *component, 1223 enum snd_soc_bias_level level) 1224 { 1225 snd_soc_dapm_init_bias_level( 1226 snd_soc_component_get_dapm(component), level); 1227 } 1228 1229 /** 1230 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level 1231 * @component: The COMPONENT for which to get the DAPM bias level 1232 * 1233 * Returns: The current DAPM bias level of the COMPONENT. 1234 */ 1235 static inline enum snd_soc_bias_level 1236 snd_soc_component_get_bias_level(struct snd_soc_component *component) 1237 { 1238 return snd_soc_dapm_get_bias_level( 1239 snd_soc_component_get_dapm(component)); 1240 } 1241 1242 /** 1243 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level 1244 * @component: The COMPONENT for which to set the level 1245 * @level: The level to set to 1246 * 1247 * Forces the COMPONENT bias level to a specific state. See 1248 * snd_soc_dapm_force_bias_level(). 1249 */ 1250 static inline int 1251 snd_soc_component_force_bias_level(struct snd_soc_component *component, 1252 enum snd_soc_bias_level level) 1253 { 1254 return snd_soc_dapm_force_bias_level( 1255 snd_soc_component_get_dapm(component), 1256 level); 1257 } 1258 1259 /** 1260 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol 1261 * @kcontrol: The kcontrol 1262 * 1263 * This function must only be used on DAPM contexts that are known to be part of 1264 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined. 1265 */ 1266 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component( 1267 struct snd_kcontrol *kcontrol) 1268 { 1269 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol)); 1270 } 1271 1272 /** 1273 * snd_soc_component_cache_sync() - Sync the register cache with the hardware 1274 * @component: COMPONENT to sync 1275 * 1276 * Note: This function will call regcache_sync() 1277 */ 1278 static inline int snd_soc_component_cache_sync( 1279 struct snd_soc_component *component) 1280 { 1281 return regcache_sync(component->regmap); 1282 } 1283 1284 /* component IO */ 1285 int snd_soc_component_read(struct snd_soc_component *component, 1286 unsigned int reg, unsigned int *val); 1287 unsigned int snd_soc_component_read32(struct snd_soc_component *component, 1288 unsigned int reg); 1289 int snd_soc_component_write(struct snd_soc_component *component, 1290 unsigned int reg, unsigned int val); 1291 int snd_soc_component_update_bits(struct snd_soc_component *component, 1292 unsigned int reg, unsigned int mask, unsigned int val); 1293 int snd_soc_component_update_bits_async(struct snd_soc_component *component, 1294 unsigned int reg, unsigned int mask, unsigned int val); 1295 void snd_soc_component_async_complete(struct snd_soc_component *component); 1296 int snd_soc_component_test_bits(struct snd_soc_component *component, 1297 unsigned int reg, unsigned int mask, unsigned int value); 1298 1299 /* component wide operations */ 1300 int snd_soc_component_set_sysclk(struct snd_soc_component *component, 1301 int clk_id, int source, unsigned int freq, int dir); 1302 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id, 1303 int source, unsigned int freq_in, 1304 unsigned int freq_out); 1305 int snd_soc_component_set_jack(struct snd_soc_component *component, 1306 struct snd_soc_jack *jack, void *data); 1307 1308 #ifdef CONFIG_REGMAP 1309 1310 void snd_soc_component_init_regmap(struct snd_soc_component *component, 1311 struct regmap *regmap); 1312 void snd_soc_component_exit_regmap(struct snd_soc_component *component); 1313 1314 #endif 1315 1316 /* device driver data */ 1317 1318 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, 1319 void *data) 1320 { 1321 card->drvdata = data; 1322 } 1323 1324 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) 1325 { 1326 return card->drvdata; 1327 } 1328 1329 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, 1330 void *data) 1331 { 1332 dev_set_drvdata(c->dev, data); 1333 } 1334 1335 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) 1336 { 1337 return dev_get_drvdata(c->dev); 1338 } 1339 1340 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) 1341 { 1342 INIT_LIST_HEAD(&card->widgets); 1343 INIT_LIST_HEAD(&card->paths); 1344 INIT_LIST_HEAD(&card->dapm_list); 1345 INIT_LIST_HEAD(&card->aux_comp_list); 1346 INIT_LIST_HEAD(&card->component_dev_list); 1347 } 1348 1349 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) 1350 { 1351 if (mc->reg == mc->rreg && mc->shift == mc->rshift) 1352 return 0; 1353 /* 1354 * mc->reg == mc->rreg && mc->shift != mc->rshift, or 1355 * mc->reg != mc->rreg means that the control is 1356 * stereo (bits in one register or in two registers) 1357 */ 1358 return 1; 1359 } 1360 1361 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, 1362 unsigned int val) 1363 { 1364 unsigned int i; 1365 1366 if (!e->values) 1367 return val; 1368 1369 for (i = 0; i < e->items; i++) 1370 if (val == e->values[i]) 1371 return i; 1372 1373 return 0; 1374 } 1375 1376 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, 1377 unsigned int item) 1378 { 1379 if (!e->values) 1380 return item; 1381 1382 return e->values[item]; 1383 } 1384 1385 static inline bool snd_soc_component_is_active( 1386 struct snd_soc_component *component) 1387 { 1388 return component->active != 0; 1389 } 1390 1391 /** 1392 * snd_soc_kcontrol_component() - Returns the component that registered the 1393 * control 1394 * @kcontrol: The control for which to get the component 1395 * 1396 * Note: This function will work correctly if the control has been registered 1397 * for a component. With snd_soc_add_codec_controls() or via table based 1398 * setup for either a CODEC or component driver. Otherwise the behavior is 1399 * undefined. 1400 */ 1401 static inline struct snd_soc_component *snd_soc_kcontrol_component( 1402 struct snd_kcontrol *kcontrol) 1403 { 1404 return snd_kcontrol_chip(kcontrol); 1405 } 1406 1407 int snd_soc_util_init(void); 1408 void snd_soc_util_exit(void); 1409 1410 int snd_soc_of_parse_card_name(struct snd_soc_card *card, 1411 const char *propname); 1412 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 1413 const char *propname); 1414 int snd_soc_of_parse_tdm_slot(struct device_node *np, 1415 unsigned int *tx_mask, 1416 unsigned int *rx_mask, 1417 unsigned int *slots, 1418 unsigned int *slot_width); 1419 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, 1420 struct snd_soc_codec_conf *codec_conf, 1421 struct device_node *of_node, 1422 const char *propname); 1423 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 1424 const char *propname); 1425 unsigned int snd_soc_of_parse_daifmt(struct device_node *np, 1426 const char *prefix, 1427 struct device_node **bitclkmaster, 1428 struct device_node **framemaster); 1429 int snd_soc_get_dai_id(struct device_node *ep); 1430 int snd_soc_get_dai_name(struct of_phandle_args *args, 1431 const char **dai_name); 1432 int snd_soc_of_get_dai_name(struct device_node *of_node, 1433 const char **dai_name); 1434 int snd_soc_of_get_dai_link_codecs(struct device *dev, 1435 struct device_node *of_node, 1436 struct snd_soc_dai_link *dai_link); 1437 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); 1438 1439 int snd_soc_add_dai_link(struct snd_soc_card *card, 1440 struct snd_soc_dai_link *dai_link); 1441 void snd_soc_remove_dai_link(struct snd_soc_card *card, 1442 struct snd_soc_dai_link *dai_link); 1443 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card, 1444 int id, const char *name, 1445 const char *stream_name); 1446 1447 int snd_soc_register_dai(struct snd_soc_component *component, 1448 struct snd_soc_dai_driver *dai_drv); 1449 1450 struct snd_soc_dai *snd_soc_find_dai( 1451 const struct snd_soc_dai_link_component *dlc); 1452 1453 #include <sound/soc-dai.h> 1454 1455 static inline 1456 struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card, 1457 const char *dai_name) 1458 { 1459 struct snd_soc_pcm_runtime *rtd; 1460 1461 list_for_each_entry(rtd, &card->rtd_list, list) { 1462 if (!strcmp(rtd->codec_dai->name, dai_name)) 1463 return rtd->codec_dai; 1464 } 1465 1466 return NULL; 1467 } 1468 1469 #ifdef CONFIG_DEBUG_FS 1470 extern struct dentry *snd_soc_debugfs_root; 1471 #endif 1472 1473 extern const struct dev_pm_ops snd_soc_pm_ops; 1474 1475 /* Helper functions */ 1476 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) 1477 { 1478 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 1479 } 1480 1481 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) 1482 { 1483 mutex_unlock(&dapm->card->dapm_mutex); 1484 } 1485 1486 int snd_soc_component_enable_pin(struct snd_soc_component *component, 1487 const char *pin); 1488 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component, 1489 const char *pin); 1490 int snd_soc_component_disable_pin(struct snd_soc_component *component, 1491 const char *pin); 1492 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component, 1493 const char *pin); 1494 int snd_soc_component_nc_pin(struct snd_soc_component *component, 1495 const char *pin); 1496 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component, 1497 const char *pin); 1498 int snd_soc_component_get_pin_status(struct snd_soc_component *component, 1499 const char *pin); 1500 int snd_soc_component_force_enable_pin(struct snd_soc_component *component, 1501 const char *pin); 1502 int snd_soc_component_force_enable_pin_unlocked( 1503 struct snd_soc_component *component, 1504 const char *pin); 1505 1506 #endif 1507