| 1 | /* |
| 2 | * linux/sound/soc.h -- ALSA SoC Layer |
| 3 | * |
| 4 | * Author: Liam Girdwood |
| 5 | * Created: Aug 11th 2005 |
| 6 | * Copyright: Wolfson Microelectronics. PLC. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __LINUX_SND_SOC_H |
| 14 | #define __LINUX_SND_SOC_H |
| 15 | |
| 16 | #include <linux/of.h> |
| 17 | #include <linux/platform_device.h> |
| 18 | #include <linux/types.h> |
| 19 | #include <linux/notifier.h> |
| 20 | #include <linux/workqueue.h> |
| 21 | #include <linux/interrupt.h> |
| 22 | #include <linux/kernel.h> |
| 23 | #include <linux/regmap.h> |
| 24 | #include <linux/log2.h> |
| 25 | #include <sound/core.h> |
| 26 | #include <sound/pcm.h> |
| 27 | #include <sound/compress_driver.h> |
| 28 | #include <sound/control.h> |
| 29 | #include <sound/ac97_codec.h> |
| 30 | #include <sound/soc-topology.h> |
| 31 | |
| 32 | /* |
| 33 | * Convenience kcontrol builders |
| 34 | */ |
| 35 | #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \ |
| 36 | ((unsigned long)&(struct soc_mixer_control) \ |
| 37 | {.reg = xreg, .rreg = xreg, .shift = shift_left, \ |
| 38 | .rshift = shift_right, .max = xmax, .platform_max = xmax, \ |
| 39 | .invert = xinvert, .autodisable = xautodisable}) |
| 40 | #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \ |
| 41 | ((unsigned long)&(struct soc_mixer_control) \ |
| 42 | {.reg = xreg, .rreg = xreg, .shift = shift_left, \ |
| 43 | .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \ |
| 44 | .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable}) |
| 45 | #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \ |
| 46 | SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable) |
| 47 | #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ |
| 48 | ((unsigned long)&(struct soc_mixer_control) \ |
| 49 | {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert}) |
| 50 | #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ |
| 51 | ((unsigned long)&(struct soc_mixer_control) \ |
| 52 | {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ |
| 53 | .max = xmax, .platform_max = xmax, .invert = xinvert}) |
| 54 | #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ |
| 55 | ((unsigned long)&(struct soc_mixer_control) \ |
| 56 | {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ |
| 57 | .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \ |
| 58 | .invert = xinvert}) |
| 59 | #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ |
| 60 | ((unsigned long)&(struct soc_mixer_control) \ |
| 61 | {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ |
| 62 | .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert}) |
| 63 | #define SOC_SINGLE(xname, reg, shift, max, invert) \ |
| 64 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 65 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ |
| 66 | .put = snd_soc_put_volsw, \ |
| 67 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } |
| 68 | #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ |
| 69 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 70 | .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ |
| 71 | .put = snd_soc_put_volsw_range, \ |
| 72 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 73 | {.reg = xreg, .rreg = xreg, .shift = xshift, \ |
| 74 | .rshift = xshift, .min = xmin, .max = xmax, \ |
| 75 | .platform_max = xmax, .invert = xinvert} } |
| 76 | #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ |
| 77 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 78 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 79 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 80 | .tlv.p = (tlv_array), \ |
| 81 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ |
| 82 | .put = snd_soc_put_volsw, \ |
| 83 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } |
| 84 | #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ |
| 85 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 86 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| 87 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| 88 | .tlv.p = (tlv_array),\ |
| 89 | .info = snd_soc_info_volsw, \ |
| 90 | .get = snd_soc_get_volsw_sx,\ |
| 91 | .put = snd_soc_put_volsw_sx, \ |
| 92 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 93 | {.reg = xreg, .rreg = xreg, \ |
| 94 | .shift = xshift, .rshift = xshift, \ |
| 95 | .max = xmax, .min = xmin} } |
| 96 | #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ |
| 97 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 98 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 99 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 100 | .tlv.p = (tlv_array), \ |
| 101 | .info = snd_soc_info_volsw_range, \ |
| 102 | .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ |
| 103 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 104 | {.reg = xreg, .rreg = xreg, .shift = xshift, \ |
| 105 | .rshift = xshift, .min = xmin, .max = xmax, \ |
| 106 | .platform_max = xmax, .invert = xinvert} } |
| 107 | #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ |
| 108 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 109 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ |
| 110 | .put = snd_soc_put_volsw, \ |
| 111 | .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ |
| 112 | max, invert, 0) } |
| 113 | #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ |
| 114 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 115 | .info = snd_soc_info_volsw, \ |
| 116 | .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ |
| 117 | .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ |
| 118 | xmax, xinvert) } |
| 119 | #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ |
| 120 | xmax, xinvert) \ |
| 121 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 122 | .info = snd_soc_info_volsw_range, \ |
| 123 | .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ |
| 124 | .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ |
| 125 | xshift, xmin, xmax, xinvert) } |
| 126 | #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ |
| 127 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 128 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 129 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 130 | .tlv.p = (tlv_array), \ |
| 131 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ |
| 132 | .put = snd_soc_put_volsw, \ |
| 133 | .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ |
| 134 | max, invert, 0) } |
| 135 | #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ |
| 136 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 137 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 138 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 139 | .tlv.p = (tlv_array), \ |
| 140 | .info = snd_soc_info_volsw, \ |
| 141 | .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ |
| 142 | .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ |
| 143 | xmax, xinvert) } |
| 144 | #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ |
| 145 | xmax, xinvert, tlv_array) \ |
| 146 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 147 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 148 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 149 | .tlv.p = (tlv_array), \ |
| 150 | .info = snd_soc_info_volsw_range, \ |
| 151 | .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ |
| 152 | .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ |
| 153 | xshift, xmin, xmax, xinvert) } |
| 154 | #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ |
| 155 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 156 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| 157 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| 158 | .tlv.p = (tlv_array), \ |
| 159 | .info = snd_soc_info_volsw, \ |
| 160 | .get = snd_soc_get_volsw_sx, \ |
| 161 | .put = snd_soc_put_volsw_sx, \ |
| 162 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 163 | {.reg = xreg, .rreg = xrreg, \ |
| 164 | .shift = xshift, .rshift = xshift, \ |
| 165 | .max = xmax, .min = xmin} } |
| 166 | #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ |
| 167 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 168 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 169 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 170 | .tlv.p = (tlv_array), \ |
| 171 | .info = snd_soc_info_volsw, \ |
| 172 | .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ |
| 173 | .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ |
| 174 | xmin, xmax, xsign_bit, xinvert) } |
| 175 | #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ |
| 176 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 177 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| 178 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| 179 | .tlv.p = (tlv_array), \ |
| 180 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ |
| 181 | .put = snd_soc_put_volsw, \ |
| 182 | .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) } |
| 183 | #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ |
| 184 | { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ |
| 185 | .items = xitems, .texts = xtexts, \ |
| 186 | .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} |
| 187 | #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ |
| 188 | SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) |
| 189 | #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ |
| 190 | { .items = xitems, .texts = xtexts } |
| 191 | #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \ |
| 192 | { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ |
| 193 | .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} |
| 194 | #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ |
| 195 | SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues) |
| 196 | #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ |
| 197 | { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \ |
| 198 | .mask = xmask, .items = xitems, .texts = xtexts, \ |
| 199 | .values = xvalues, .autodisable = 1} |
| 200 | #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ |
| 201 | SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) |
| 202 | #define SOC_ENUM(xname, xenum) \ |
| 203 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ |
| 204 | .info = snd_soc_info_enum_double, \ |
| 205 | .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ |
| 206 | .private_value = (unsigned long)&xenum } |
| 207 | #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ |
| 208 | xhandler_get, xhandler_put) \ |
| 209 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 210 | .info = snd_soc_info_volsw, \ |
| 211 | .get = xhandler_get, .put = xhandler_put, \ |
| 212 | .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } |
| 213 | #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ |
| 214 | xhandler_get, xhandler_put) \ |
| 215 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 216 | .info = snd_soc_info_volsw, \ |
| 217 | .get = xhandler_get, .put = xhandler_put, \ |
| 218 | .private_value = \ |
| 219 | SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) } |
| 220 | #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ |
| 221 | xhandler_get, xhandler_put, tlv_array) \ |
| 222 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 223 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 224 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 225 | .tlv.p = (tlv_array), \ |
| 226 | .info = snd_soc_info_volsw, \ |
| 227 | .get = xhandler_get, .put = xhandler_put, \ |
| 228 | .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } |
| 229 | #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ |
| 230 | xhandler_get, xhandler_put, tlv_array) \ |
| 231 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 232 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| 233 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| 234 | .tlv.p = (tlv_array), \ |
| 235 | .info = snd_soc_info_volsw, \ |
| 236 | .get = xhandler_get, .put = xhandler_put, \ |
| 237 | .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ |
| 238 | xmax, xinvert, 0) } |
| 239 | #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ |
| 240 | xhandler_get, xhandler_put, tlv_array) \ |
| 241 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 242 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| 243 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| 244 | .tlv.p = (tlv_array), \ |
| 245 | .info = snd_soc_info_volsw, \ |
| 246 | .get = xhandler_get, .put = xhandler_put, \ |
| 247 | .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ |
| 248 | xmax, xinvert) } |
| 249 | #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ |
| 250 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 251 | .info = snd_soc_info_bool_ext, \ |
| 252 | .get = xhandler_get, .put = xhandler_put, \ |
| 253 | .private_value = xdata } |
| 254 | #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ |
| 255 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 256 | .info = snd_soc_info_enum_double, \ |
| 257 | .get = xhandler_get, .put = xhandler_put, \ |
| 258 | .private_value = (unsigned long)&xenum } |
| 259 | #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ |
| 260 | SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) |
| 261 | |
| 262 | #define SND_SOC_BYTES(xname, xbase, xregs) \ |
| 263 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 264 | .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ |
| 265 | .put = snd_soc_bytes_put, .private_value = \ |
| 266 | ((unsigned long)&(struct soc_bytes) \ |
| 267 | {.base = xbase, .num_regs = xregs }) } |
| 268 | |
| 269 | #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ |
| 270 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 271 | .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ |
| 272 | .put = snd_soc_bytes_put, .private_value = \ |
| 273 | ((unsigned long)&(struct soc_bytes) \ |
| 274 | {.base = xbase, .num_regs = xregs, \ |
| 275 | .mask = xmask }) } |
| 276 | |
| 277 | #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ |
| 278 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 279 | .info = snd_soc_bytes_info_ext, \ |
| 280 | .get = xhandler_get, .put = xhandler_put, \ |
| 281 | .private_value = (unsigned long)&(struct soc_bytes_ext) \ |
| 282 | {.max = xcount} } |
| 283 | #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ |
| 284 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 285 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ |
| 286 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ |
| 287 | .tlv.c = (snd_soc_bytes_tlv_callback), \ |
| 288 | .info = snd_soc_bytes_info_ext, \ |
| 289 | .private_value = (unsigned long)&(struct soc_bytes_ext) \ |
| 290 | {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } |
| 291 | #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ |
| 292 | xmin, xmax, xinvert) \ |
| 293 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 294 | .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ |
| 295 | .put = snd_soc_put_xr_sx, \ |
| 296 | .private_value = (unsigned long)&(struct soc_mreg_control) \ |
| 297 | {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ |
| 298 | .invert = xinvert, .min = xmin, .max = xmax} } |
| 299 | |
| 300 | #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ |
| 301 | SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ |
| 302 | snd_soc_get_strobe, snd_soc_put_strobe) |
| 303 | |
| 304 | /* |
| 305 | * Simplified versions of above macros, declaring a struct and calculating |
| 306 | * ARRAY_SIZE internally |
| 307 | */ |
| 308 | #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ |
| 309 | const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ |
| 310 | ARRAY_SIZE(xtexts), xtexts) |
| 311 | #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ |
| 312 | SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) |
| 313 | #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ |
| 314 | const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) |
| 315 | #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ |
| 316 | const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ |
| 317 | ARRAY_SIZE(xtexts), xtexts, xvalues) |
| 318 | #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ |
| 319 | SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) |
| 320 | |
| 321 | #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ |
| 322 | const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ |
| 323 | xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) |
| 324 | |
| 325 | #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ |
| 326 | const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) |
| 327 | |
| 328 | /* |
| 329 | * Component probe and remove ordering levels for components with runtime |
| 330 | * dependencies. |
| 331 | */ |
| 332 | #define SND_SOC_COMP_ORDER_FIRST -2 |
| 333 | #define SND_SOC_COMP_ORDER_EARLY -1 |
| 334 | #define SND_SOC_COMP_ORDER_NORMAL 0 |
| 335 | #define SND_SOC_COMP_ORDER_LATE 1 |
| 336 | #define SND_SOC_COMP_ORDER_LAST 2 |
| 337 | |
| 338 | /* |
| 339 | * Bias levels |
| 340 | * |
| 341 | * @ON: Bias is fully on for audio playback and capture operations. |
| 342 | * @PREPARE: Prepare for audio operations. Called before DAPM switching for |
| 343 | * stream start and stop operations. |
| 344 | * @STANDBY: Low power standby state when no playback/capture operations are |
| 345 | * in progress. NOTE: The transition time between STANDBY and ON |
| 346 | * should be as fast as possible and no longer than 10ms. |
| 347 | * @OFF: Power Off. No restrictions on transition times. |
| 348 | */ |
| 349 | enum snd_soc_bias_level { |
| 350 | SND_SOC_BIAS_OFF = 0, |
| 351 | SND_SOC_BIAS_STANDBY = 1, |
| 352 | SND_SOC_BIAS_PREPARE = 2, |
| 353 | SND_SOC_BIAS_ON = 3, |
| 354 | }; |
| 355 | |
| 356 | struct device_node; |
| 357 | struct snd_jack; |
| 358 | struct snd_soc_card; |
| 359 | struct snd_soc_pcm_stream; |
| 360 | struct snd_soc_ops; |
| 361 | struct snd_soc_pcm_runtime; |
| 362 | struct snd_soc_dai; |
| 363 | struct snd_soc_dai_driver; |
| 364 | struct snd_soc_platform; |
| 365 | struct snd_soc_dai_link; |
| 366 | struct snd_soc_platform_driver; |
| 367 | struct snd_soc_codec; |
| 368 | struct snd_soc_codec_driver; |
| 369 | struct snd_soc_component; |
| 370 | struct snd_soc_component_driver; |
| 371 | struct soc_enum; |
| 372 | struct snd_soc_jack; |
| 373 | struct snd_soc_jack_zone; |
| 374 | struct snd_soc_jack_pin; |
| 375 | #include <sound/soc-dapm.h> |
| 376 | #include <sound/soc-dpcm.h> |
| 377 | |
| 378 | struct snd_soc_jack_gpio; |
| 379 | |
| 380 | typedef int (*hw_write_t)(void *,const char* ,int); |
| 381 | |
| 382 | enum snd_soc_pcm_subclass { |
| 383 | SND_SOC_PCM_CLASS_PCM = 0, |
| 384 | SND_SOC_PCM_CLASS_BE = 1, |
| 385 | }; |
| 386 | |
| 387 | enum snd_soc_card_subclass { |
| 388 | SND_SOC_CARD_CLASS_INIT = 0, |
| 389 | SND_SOC_CARD_CLASS_RUNTIME = 1, |
| 390 | }; |
| 391 | |
| 392 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, |
| 393 | int source, unsigned int freq, int dir); |
| 394 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, |
| 395 | unsigned int freq_in, unsigned int freq_out); |
| 396 | |
| 397 | int snd_soc_register_card(struct snd_soc_card *card); |
| 398 | int snd_soc_unregister_card(struct snd_soc_card *card); |
| 399 | int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); |
| 400 | #ifdef CONFIG_PM_SLEEP |
| 401 | int snd_soc_suspend(struct device *dev); |
| 402 | int snd_soc_resume(struct device *dev); |
| 403 | #else |
| 404 | static inline int snd_soc_suspend(struct device *dev) |
| 405 | { |
| 406 | return 0; |
| 407 | } |
| 408 | |
| 409 | static inline int snd_soc_resume(struct device *dev) |
| 410 | { |
| 411 | return 0; |
| 412 | } |
| 413 | #endif |
| 414 | int snd_soc_poweroff(struct device *dev); |
| 415 | int snd_soc_register_platform(struct device *dev, |
| 416 | const struct snd_soc_platform_driver *platform_drv); |
| 417 | int devm_snd_soc_register_platform(struct device *dev, |
| 418 | const struct snd_soc_platform_driver *platform_drv); |
| 419 | void snd_soc_unregister_platform(struct device *dev); |
| 420 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
| 421 | const struct snd_soc_platform_driver *platform_drv); |
| 422 | void snd_soc_remove_platform(struct snd_soc_platform *platform); |
| 423 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev); |
| 424 | int snd_soc_register_codec(struct device *dev, |
| 425 | const struct snd_soc_codec_driver *codec_drv, |
| 426 | struct snd_soc_dai_driver *dai_drv, int num_dai); |
| 427 | void snd_soc_unregister_codec(struct device *dev); |
| 428 | int snd_soc_register_component(struct device *dev, |
| 429 | const struct snd_soc_component_driver *cmpnt_drv, |
| 430 | struct snd_soc_dai_driver *dai_drv, int num_dai); |
| 431 | int devm_snd_soc_register_component(struct device *dev, |
| 432 | const struct snd_soc_component_driver *cmpnt_drv, |
| 433 | struct snd_soc_dai_driver *dai_drv, int num_dai); |
| 434 | void snd_soc_unregister_component(struct device *dev); |
| 435 | int snd_soc_cache_init(struct snd_soc_codec *codec); |
| 436 | int snd_soc_cache_exit(struct snd_soc_codec *codec); |
| 437 | |
| 438 | int snd_soc_platform_read(struct snd_soc_platform *platform, |
| 439 | unsigned int reg); |
| 440 | int snd_soc_platform_write(struct snd_soc_platform *platform, |
| 441 | unsigned int reg, unsigned int val); |
| 442 | int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); |
| 443 | int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); |
| 444 | |
| 445 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
| 446 | const char *dai_link, int stream); |
| 447 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, |
| 448 | const char *dai_link); |
| 449 | |
| 450 | bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); |
| 451 | void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); |
| 452 | void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); |
| 453 | |
| 454 | int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, |
| 455 | unsigned int dai_fmt); |
| 456 | |
| 457 | /* Utility functions to get clock rates from various things */ |
| 458 | int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); |
| 459 | int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); |
| 460 | int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); |
| 461 | int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); |
| 462 | |
| 463 | /* set runtime hw params */ |
| 464 | int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, |
| 465 | const struct snd_pcm_hardware *hw); |
| 466 | |
| 467 | int snd_soc_platform_trigger(struct snd_pcm_substream *substream, |
| 468 | int cmd, struct snd_soc_platform *platform); |
| 469 | |
| 470 | int soc_dai_hw_params(struct snd_pcm_substream *substream, |
| 471 | struct snd_pcm_hw_params *params, |
| 472 | struct snd_soc_dai *dai); |
| 473 | |
| 474 | /* Jack reporting */ |
| 475 | int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type, |
| 476 | struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins, |
| 477 | unsigned int num_pins); |
| 478 | |
| 479 | void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); |
| 480 | int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, |
| 481 | struct snd_soc_jack_pin *pins); |
| 482 | void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, |
| 483 | struct notifier_block *nb); |
| 484 | void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, |
| 485 | struct notifier_block *nb); |
| 486 | int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, |
| 487 | struct snd_soc_jack_zone *zones); |
| 488 | int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); |
| 489 | #ifdef CONFIG_GPIOLIB |
| 490 | int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, |
| 491 | struct snd_soc_jack_gpio *gpios); |
| 492 | int snd_soc_jack_add_gpiods(struct device *gpiod_dev, |
| 493 | struct snd_soc_jack *jack, |
| 494 | int count, struct snd_soc_jack_gpio *gpios); |
| 495 | void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, |
| 496 | struct snd_soc_jack_gpio *gpios); |
| 497 | #else |
| 498 | static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, |
| 499 | struct snd_soc_jack_gpio *gpios) |
| 500 | { |
| 501 | return 0; |
| 502 | } |
| 503 | |
| 504 | static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev, |
| 505 | struct snd_soc_jack *jack, |
| 506 | int count, |
| 507 | struct snd_soc_jack_gpio *gpios) |
| 508 | { |
| 509 | return 0; |
| 510 | } |
| 511 | |
| 512 | static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, |
| 513 | struct snd_soc_jack_gpio *gpios) |
| 514 | { |
| 515 | } |
| 516 | #endif |
| 517 | |
| 518 | /* codec register bit access */ |
| 519 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg, |
| 520 | unsigned int mask, unsigned int value); |
| 521 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
| 522 | unsigned int reg, unsigned int mask, |
| 523 | unsigned int value); |
| 524 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg, |
| 525 | unsigned int mask, unsigned int value); |
| 526 | |
| 527 | #ifdef CONFIG_SND_SOC_AC97_BUS |
| 528 | struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec); |
| 529 | struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec); |
| 530 | void snd_soc_free_ac97_codec(struct snd_ac97 *ac97); |
| 531 | |
| 532 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); |
| 533 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, |
| 534 | struct platform_device *pdev); |
| 535 | |
| 536 | extern struct snd_ac97_bus_ops *soc_ac97_ops; |
| 537 | #else |
| 538 | static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, |
| 539 | struct platform_device *pdev) |
| 540 | { |
| 541 | return 0; |
| 542 | } |
| 543 | |
| 544 | static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) |
| 545 | { |
| 546 | return 0; |
| 547 | } |
| 548 | #endif |
| 549 | |
| 550 | /* |
| 551 | *Controls |
| 552 | */ |
| 553 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, |
| 554 | void *data, const char *long_name, |
| 555 | const char *prefix); |
| 556 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
| 557 | const char *name); |
| 558 | int snd_soc_add_component_controls(struct snd_soc_component *component, |
| 559 | const struct snd_kcontrol_new *controls, unsigned int num_controls); |
| 560 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
| 561 | const struct snd_kcontrol_new *controls, unsigned int num_controls); |
| 562 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, |
| 563 | const struct snd_kcontrol_new *controls, unsigned int num_controls); |
| 564 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, |
| 565 | const struct snd_kcontrol_new *controls, int num_controls); |
| 566 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, |
| 567 | const struct snd_kcontrol_new *controls, int num_controls); |
| 568 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, |
| 569 | struct snd_ctl_elem_info *uinfo); |
| 570 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, |
| 571 | struct snd_ctl_elem_value *ucontrol); |
| 572 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, |
| 573 | struct snd_ctl_elem_value *ucontrol); |
| 574 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, |
| 575 | struct snd_ctl_elem_info *uinfo); |
| 576 | #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info |
| 577 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, |
| 578 | struct snd_ctl_elem_value *ucontrol); |
| 579 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, |
| 580 | struct snd_ctl_elem_value *ucontrol); |
| 581 | #define snd_soc_get_volsw_2r snd_soc_get_volsw |
| 582 | #define snd_soc_put_volsw_2r snd_soc_put_volsw |
| 583 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, |
| 584 | struct snd_ctl_elem_value *ucontrol); |
| 585 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, |
| 586 | struct snd_ctl_elem_value *ucontrol); |
| 587 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, |
| 588 | struct snd_ctl_elem_info *uinfo); |
| 589 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, |
| 590 | struct snd_ctl_elem_value *ucontrol); |
| 591 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, |
| 592 | struct snd_ctl_elem_value *ucontrol); |
| 593 | int snd_soc_limit_volume(struct snd_soc_codec *codec, |
| 594 | const char *name, int max); |
| 595 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
| 596 | struct snd_ctl_elem_info *uinfo); |
| 597 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, |
| 598 | struct snd_ctl_elem_value *ucontrol); |
| 599 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, |
| 600 | struct snd_ctl_elem_value *ucontrol); |
| 601 | int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, |
| 602 | struct snd_ctl_elem_info *ucontrol); |
| 603 | int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, |
| 604 | unsigned int size, unsigned int __user *tlv); |
| 605 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, |
| 606 | struct snd_ctl_elem_info *uinfo); |
| 607 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, |
| 608 | struct snd_ctl_elem_value *ucontrol); |
| 609 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, |
| 610 | struct snd_ctl_elem_value *ucontrol); |
| 611 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, |
| 612 | struct snd_ctl_elem_value *ucontrol); |
| 613 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, |
| 614 | struct snd_ctl_elem_value *ucontrol); |
| 615 | |
| 616 | /** |
| 617 | * struct snd_soc_jack_pin - Describes a pin to update based on jack detection |
| 618 | * |
| 619 | * @pin: name of the pin to update |
| 620 | * @mask: bits to check for in reported jack status |
| 621 | * @invert: if non-zero then pin is enabled when status is not reported |
| 622 | */ |
| 623 | struct snd_soc_jack_pin { |
| 624 | struct list_head list; |
| 625 | const char *pin; |
| 626 | int mask; |
| 627 | bool invert; |
| 628 | }; |
| 629 | |
| 630 | /** |
| 631 | * struct snd_soc_jack_zone - Describes voltage zones of jack detection |
| 632 | * |
| 633 | * @min_mv: start voltage in mv |
| 634 | * @max_mv: end voltage in mv |
| 635 | * @jack_type: type of jack that is expected for this voltage |
| 636 | * @debounce_time: debounce_time for jack, codec driver should wait for this |
| 637 | * duration before reading the adc for voltages |
| 638 | * @:list: list container |
| 639 | */ |
| 640 | struct snd_soc_jack_zone { |
| 641 | unsigned int min_mv; |
| 642 | unsigned int max_mv; |
| 643 | unsigned int jack_type; |
| 644 | unsigned int debounce_time; |
| 645 | struct list_head list; |
| 646 | }; |
| 647 | |
| 648 | /** |
| 649 | * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection |
| 650 | * |
| 651 | * @gpio: legacy gpio number |
| 652 | * @idx: gpio descriptor index within the function of the GPIO |
| 653 | * consumer device |
| 654 | * @gpiod_dev GPIO consumer device |
| 655 | * @name: gpio name. Also as connection ID for the GPIO consumer |
| 656 | * device function name lookup |
| 657 | * @report: value to report when jack detected |
| 658 | * @invert: report presence in low state |
| 659 | * @debouce_time: debouce time in ms |
| 660 | * @wake: enable as wake source |
| 661 | * @jack_status_check: callback function which overrides the detection |
| 662 | * to provide more complex checks (eg, reading an |
| 663 | * ADC). |
| 664 | */ |
| 665 | struct snd_soc_jack_gpio { |
| 666 | unsigned int gpio; |
| 667 | unsigned int idx; |
| 668 | struct device *gpiod_dev; |
| 669 | const char *name; |
| 670 | int report; |
| 671 | int invert; |
| 672 | int debounce_time; |
| 673 | bool wake; |
| 674 | |
| 675 | struct snd_soc_jack *jack; |
| 676 | struct delayed_work work; |
| 677 | struct gpio_desc *desc; |
| 678 | |
| 679 | void *data; |
| 680 | int (*jack_status_check)(void *data); |
| 681 | }; |
| 682 | |
| 683 | struct snd_soc_jack { |
| 684 | struct mutex mutex; |
| 685 | struct snd_jack *jack; |
| 686 | struct snd_soc_card *card; |
| 687 | struct list_head pins; |
| 688 | int status; |
| 689 | struct blocking_notifier_head notifier; |
| 690 | struct list_head jack_zones; |
| 691 | }; |
| 692 | |
| 693 | /* SoC PCM stream information */ |
| 694 | struct snd_soc_pcm_stream { |
| 695 | const char *stream_name; |
| 696 | u64 formats; /* SNDRV_PCM_FMTBIT_* */ |
| 697 | unsigned int rates; /* SNDRV_PCM_RATE_* */ |
| 698 | unsigned int rate_min; /* min rate */ |
| 699 | unsigned int rate_max; /* max rate */ |
| 700 | unsigned int channels_min; /* min channels */ |
| 701 | unsigned int channels_max; /* max channels */ |
| 702 | unsigned int sig_bits; /* number of bits of content */ |
| 703 | }; |
| 704 | |
| 705 | /* SoC audio ops */ |
| 706 | struct snd_soc_ops { |
| 707 | int (*startup)(struct snd_pcm_substream *); |
| 708 | void (*shutdown)(struct snd_pcm_substream *); |
| 709 | int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); |
| 710 | int (*hw_free)(struct snd_pcm_substream *); |
| 711 | int (*prepare)(struct snd_pcm_substream *); |
| 712 | int (*trigger)(struct snd_pcm_substream *, int); |
| 713 | }; |
| 714 | |
| 715 | struct snd_soc_compr_ops { |
| 716 | int (*startup)(struct snd_compr_stream *); |
| 717 | void (*shutdown)(struct snd_compr_stream *); |
| 718 | int (*set_params)(struct snd_compr_stream *); |
| 719 | int (*trigger)(struct snd_compr_stream *); |
| 720 | }; |
| 721 | |
| 722 | /* component interface */ |
| 723 | struct snd_soc_component_driver { |
| 724 | const char *name; |
| 725 | |
| 726 | /* Default control and setup, added after probe() is run */ |
| 727 | const struct snd_kcontrol_new *controls; |
| 728 | unsigned int num_controls; |
| 729 | const struct snd_soc_dapm_widget *dapm_widgets; |
| 730 | unsigned int num_dapm_widgets; |
| 731 | const struct snd_soc_dapm_route *dapm_routes; |
| 732 | unsigned int num_dapm_routes; |
| 733 | |
| 734 | int (*probe)(struct snd_soc_component *); |
| 735 | void (*remove)(struct snd_soc_component *); |
| 736 | |
| 737 | /* DT */ |
| 738 | int (*of_xlate_dai_name)(struct snd_soc_component *component, |
| 739 | struct of_phandle_args *args, |
| 740 | const char **dai_name); |
| 741 | void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type, |
| 742 | int subseq); |
| 743 | int (*stream_event)(struct snd_soc_component *, int event); |
| 744 | |
| 745 | /* probe ordering - for components with runtime dependencies */ |
| 746 | int probe_order; |
| 747 | int remove_order; |
| 748 | }; |
| 749 | |
| 750 | struct snd_soc_component { |
| 751 | const char *name; |
| 752 | int id; |
| 753 | const char *name_prefix; |
| 754 | struct device *dev; |
| 755 | struct snd_soc_card *card; |
| 756 | |
| 757 | unsigned int active; |
| 758 | |
| 759 | unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ |
| 760 | unsigned int registered_as_component:1; |
| 761 | unsigned int probed:1; |
| 762 | |
| 763 | struct list_head list; |
| 764 | |
| 765 | struct snd_soc_dai_driver *dai_drv; |
| 766 | int num_dai; |
| 767 | |
| 768 | const struct snd_soc_component_driver *driver; |
| 769 | |
| 770 | struct list_head dai_list; |
| 771 | |
| 772 | int (*read)(struct snd_soc_component *, unsigned int, unsigned int *); |
| 773 | int (*write)(struct snd_soc_component *, unsigned int, unsigned int); |
| 774 | |
| 775 | struct regmap *regmap; |
| 776 | int val_bytes; |
| 777 | |
| 778 | struct mutex io_mutex; |
| 779 | |
| 780 | /* attached dynamic objects */ |
| 781 | struct list_head dobj_list; |
| 782 | |
| 783 | #ifdef CONFIG_DEBUG_FS |
| 784 | struct dentry *debugfs_root; |
| 785 | #endif |
| 786 | |
| 787 | /* |
| 788 | * DO NOT use any of the fields below in drivers, they are temporary and |
| 789 | * are going to be removed again soon. If you use them in driver code the |
| 790 | * driver will be marked as BROKEN when these fields are removed. |
| 791 | */ |
| 792 | |
| 793 | /* Don't use these, use snd_soc_component_get_dapm() */ |
| 794 | struct snd_soc_dapm_context dapm; |
| 795 | struct snd_soc_dapm_context *dapm_ptr; |
| 796 | |
| 797 | const struct snd_kcontrol_new *controls; |
| 798 | unsigned int num_controls; |
| 799 | const struct snd_soc_dapm_widget *dapm_widgets; |
| 800 | unsigned int num_dapm_widgets; |
| 801 | const struct snd_soc_dapm_route *dapm_routes; |
| 802 | unsigned int num_dapm_routes; |
| 803 | struct snd_soc_codec *codec; |
| 804 | |
| 805 | int (*probe)(struct snd_soc_component *); |
| 806 | void (*remove)(struct snd_soc_component *); |
| 807 | |
| 808 | #ifdef CONFIG_DEBUG_FS |
| 809 | void (*init_debugfs)(struct snd_soc_component *component); |
| 810 | const char *debugfs_prefix; |
| 811 | #endif |
| 812 | }; |
| 813 | |
| 814 | /* SoC Audio Codec device */ |
| 815 | struct snd_soc_codec { |
| 816 | struct device *dev; |
| 817 | const struct snd_soc_codec_driver *driver; |
| 818 | |
| 819 | struct list_head list; |
| 820 | struct list_head card_list; |
| 821 | |
| 822 | /* runtime */ |
| 823 | unsigned int cache_bypass:1; /* Suppress access to the cache */ |
| 824 | unsigned int suspended:1; /* Codec is in suspend PM state */ |
| 825 | unsigned int cache_init:1; /* codec cache has been initialized */ |
| 826 | |
| 827 | /* codec IO */ |
| 828 | void *control_data; /* codec control (i2c/3wire) data */ |
| 829 | hw_write_t hw_write; |
| 830 | void *reg_cache; |
| 831 | |
| 832 | /* component */ |
| 833 | struct snd_soc_component component; |
| 834 | |
| 835 | /* Don't access this directly, use snd_soc_codec_get_dapm() */ |
| 836 | struct snd_soc_dapm_context dapm; |
| 837 | |
| 838 | #ifdef CONFIG_DEBUG_FS |
| 839 | struct dentry *debugfs_reg; |
| 840 | #endif |
| 841 | }; |
| 842 | |
| 843 | /* codec driver */ |
| 844 | struct snd_soc_codec_driver { |
| 845 | |
| 846 | /* driver ops */ |
| 847 | int (*probe)(struct snd_soc_codec *); |
| 848 | int (*remove)(struct snd_soc_codec *); |
| 849 | int (*suspend)(struct snd_soc_codec *); |
| 850 | int (*resume)(struct snd_soc_codec *); |
| 851 | struct snd_soc_component_driver component_driver; |
| 852 | |
| 853 | /* Default control and setup, added after probe() is run */ |
| 854 | const struct snd_kcontrol_new *controls; |
| 855 | int num_controls; |
| 856 | const struct snd_soc_dapm_widget *dapm_widgets; |
| 857 | int num_dapm_widgets; |
| 858 | const struct snd_soc_dapm_route *dapm_routes; |
| 859 | int num_dapm_routes; |
| 860 | |
| 861 | /* codec wide operations */ |
| 862 | int (*set_sysclk)(struct snd_soc_codec *codec, |
| 863 | int clk_id, int source, unsigned int freq, int dir); |
| 864 | int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, |
| 865 | unsigned int freq_in, unsigned int freq_out); |
| 866 | |
| 867 | /* codec IO */ |
| 868 | struct regmap *(*get_regmap)(struct device *); |
| 869 | unsigned int (*read)(struct snd_soc_codec *, unsigned int); |
| 870 | int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); |
| 871 | unsigned int reg_cache_size; |
| 872 | short reg_cache_step; |
| 873 | short reg_word_size; |
| 874 | const void *reg_cache_default; |
| 875 | |
| 876 | /* codec bias level */ |
| 877 | int (*set_bias_level)(struct snd_soc_codec *, |
| 878 | enum snd_soc_bias_level level); |
| 879 | bool idle_bias_off; |
| 880 | bool suspend_bias_off; |
| 881 | |
| 882 | void (*seq_notifier)(struct snd_soc_dapm_context *, |
| 883 | enum snd_soc_dapm_type, int); |
| 884 | |
| 885 | bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ |
| 886 | }; |
| 887 | |
| 888 | /* SoC platform interface */ |
| 889 | struct snd_soc_platform_driver { |
| 890 | |
| 891 | int (*probe)(struct snd_soc_platform *); |
| 892 | int (*remove)(struct snd_soc_platform *); |
| 893 | struct snd_soc_component_driver component_driver; |
| 894 | |
| 895 | /* pcm creation and destruction */ |
| 896 | int (*pcm_new)(struct snd_soc_pcm_runtime *); |
| 897 | void (*pcm_free)(struct snd_pcm *); |
| 898 | |
| 899 | /* |
| 900 | * For platform caused delay reporting. |
| 901 | * Optional. |
| 902 | */ |
| 903 | snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, |
| 904 | struct snd_soc_dai *); |
| 905 | |
| 906 | /* platform stream pcm ops */ |
| 907 | const struct snd_pcm_ops *ops; |
| 908 | |
| 909 | /* platform stream compress ops */ |
| 910 | const struct snd_compr_ops *compr_ops; |
| 911 | |
| 912 | int (*bespoke_trigger)(struct snd_pcm_substream *, int); |
| 913 | }; |
| 914 | |
| 915 | struct snd_soc_dai_link_component { |
| 916 | const char *name; |
| 917 | struct device_node *of_node; |
| 918 | const char *dai_name; |
| 919 | }; |
| 920 | |
| 921 | struct snd_soc_platform { |
| 922 | struct device *dev; |
| 923 | const struct snd_soc_platform_driver *driver; |
| 924 | |
| 925 | struct list_head list; |
| 926 | |
| 927 | struct snd_soc_component component; |
| 928 | }; |
| 929 | |
| 930 | struct snd_soc_dai_link { |
| 931 | /* config - must be set by machine driver */ |
| 932 | const char *name; /* Codec name */ |
| 933 | const char *stream_name; /* Stream name */ |
| 934 | /* |
| 935 | * You MAY specify the link's CPU-side device, either by device name, |
| 936 | * or by DT/OF node, but not both. If this information is omitted, |
| 937 | * the CPU-side DAI is matched using .cpu_dai_name only, which hence |
| 938 | * must be globally unique. These fields are currently typically used |
| 939 | * only for codec to codec links, or systems using device tree. |
| 940 | */ |
| 941 | const char *cpu_name; |
| 942 | struct device_node *cpu_of_node; |
| 943 | /* |
| 944 | * You MAY specify the DAI name of the CPU DAI. If this information is |
| 945 | * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node |
| 946 | * only, which only works well when that device exposes a single DAI. |
| 947 | */ |
| 948 | const char *cpu_dai_name; |
| 949 | /* |
| 950 | * You MUST specify the link's codec, either by device name, or by |
| 951 | * DT/OF node, but not both. |
| 952 | */ |
| 953 | const char *codec_name; |
| 954 | struct device_node *codec_of_node; |
| 955 | /* You MUST specify the DAI name within the codec */ |
| 956 | const char *codec_dai_name; |
| 957 | |
| 958 | struct snd_soc_dai_link_component *codecs; |
| 959 | unsigned int num_codecs; |
| 960 | |
| 961 | /* |
| 962 | * You MAY specify the link's platform/PCM/DMA driver, either by |
| 963 | * device name, or by DT/OF node, but not both. Some forms of link |
| 964 | * do not need a platform. |
| 965 | */ |
| 966 | const char *platform_name; |
| 967 | struct device_node *platform_of_node; |
| 968 | int be_id; /* optional ID for machine driver BE identification */ |
| 969 | |
| 970 | const struct snd_soc_pcm_stream *params; |
| 971 | unsigned int num_params; |
| 972 | |
| 973 | unsigned int dai_fmt; /* format to set on init */ |
| 974 | |
| 975 | enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ |
| 976 | |
| 977 | /* codec/machine specific init - e.g. add machine controls */ |
| 978 | int (*init)(struct snd_soc_pcm_runtime *rtd); |
| 979 | |
| 980 | /* optional hw_params re-writing for BE and FE sync */ |
| 981 | int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, |
| 982 | struct snd_pcm_hw_params *params); |
| 983 | |
| 984 | /* machine stream operations */ |
| 985 | const struct snd_soc_ops *ops; |
| 986 | const struct snd_soc_compr_ops *compr_ops; |
| 987 | |
| 988 | /* For unidirectional dai links */ |
| 989 | bool playback_only; |
| 990 | bool capture_only; |
| 991 | |
| 992 | /* Mark this pcm with non atomic ops */ |
| 993 | bool nonatomic; |
| 994 | |
| 995 | /* Keep DAI active over suspend */ |
| 996 | unsigned int ignore_suspend:1; |
| 997 | |
| 998 | /* Symmetry requirements */ |
| 999 | unsigned int symmetric_rates:1; |
| 1000 | unsigned int symmetric_channels:1; |
| 1001 | unsigned int symmetric_samplebits:1; |
| 1002 | |
| 1003 | /* Do not create a PCM for this DAI link (Backend link) */ |
| 1004 | unsigned int no_pcm:1; |
| 1005 | |
| 1006 | /* This DAI link can route to other DAI links at runtime (Frontend)*/ |
| 1007 | unsigned int dynamic:1; |
| 1008 | |
| 1009 | /* DPCM capture and Playback support */ |
| 1010 | unsigned int dpcm_capture:1; |
| 1011 | unsigned int dpcm_playback:1; |
| 1012 | |
| 1013 | /* DPCM used FE & BE merged format */ |
| 1014 | unsigned int dpcm_merged_format:1; |
| 1015 | |
| 1016 | /* pmdown_time is ignored at stop */ |
| 1017 | unsigned int ignore_pmdown_time:1; |
| 1018 | }; |
| 1019 | |
| 1020 | struct snd_soc_codec_conf { |
| 1021 | /* |
| 1022 | * specify device either by device name, or by |
| 1023 | * DT/OF node, but not both. |
| 1024 | */ |
| 1025 | const char *dev_name; |
| 1026 | struct device_node *of_node; |
| 1027 | |
| 1028 | /* |
| 1029 | * optional map of kcontrol, widget and path name prefixes that are |
| 1030 | * associated per device |
| 1031 | */ |
| 1032 | const char *name_prefix; |
| 1033 | }; |
| 1034 | |
| 1035 | struct snd_soc_aux_dev { |
| 1036 | const char *name; /* Codec name */ |
| 1037 | |
| 1038 | /* |
| 1039 | * specify multi-codec either by device name, or by |
| 1040 | * DT/OF node, but not both. |
| 1041 | */ |
| 1042 | const char *codec_name; |
| 1043 | struct device_node *codec_of_node; |
| 1044 | |
| 1045 | /* codec/machine specific init - e.g. add machine controls */ |
| 1046 | int (*init)(struct snd_soc_component *component); |
| 1047 | }; |
| 1048 | |
| 1049 | /* SoC card */ |
| 1050 | struct snd_soc_card { |
| 1051 | const char *name; |
| 1052 | const char *long_name; |
| 1053 | const char *driver_name; |
| 1054 | struct device *dev; |
| 1055 | struct snd_card *snd_card; |
| 1056 | struct module *owner; |
| 1057 | |
| 1058 | struct mutex mutex; |
| 1059 | struct mutex dapm_mutex; |
| 1060 | |
| 1061 | bool instantiated; |
| 1062 | |
| 1063 | int (*probe)(struct snd_soc_card *card); |
| 1064 | int (*late_probe)(struct snd_soc_card *card); |
| 1065 | int (*remove)(struct snd_soc_card *card); |
| 1066 | |
| 1067 | /* the pre and post PM functions are used to do any PM work before and |
| 1068 | * after the codec and DAI's do any PM work. */ |
| 1069 | int (*suspend_pre)(struct snd_soc_card *card); |
| 1070 | int (*suspend_post)(struct snd_soc_card *card); |
| 1071 | int (*resume_pre)(struct snd_soc_card *card); |
| 1072 | int (*resume_post)(struct snd_soc_card *card); |
| 1073 | |
| 1074 | /* callbacks */ |
| 1075 | int (*set_bias_level)(struct snd_soc_card *, |
| 1076 | struct snd_soc_dapm_context *dapm, |
| 1077 | enum snd_soc_bias_level level); |
| 1078 | int (*set_bias_level_post)(struct snd_soc_card *, |
| 1079 | struct snd_soc_dapm_context *dapm, |
| 1080 | enum snd_soc_bias_level level); |
| 1081 | |
| 1082 | long pmdown_time; |
| 1083 | |
| 1084 | /* CPU <--> Codec DAI links */ |
| 1085 | struct snd_soc_dai_link *dai_link; |
| 1086 | int num_links; |
| 1087 | struct snd_soc_pcm_runtime *rtd; |
| 1088 | int num_rtd; |
| 1089 | |
| 1090 | /* optional codec specific configuration */ |
| 1091 | struct snd_soc_codec_conf *codec_conf; |
| 1092 | int num_configs; |
| 1093 | |
| 1094 | /* |
| 1095 | * optional auxiliary devices such as amplifiers or codecs with DAI |
| 1096 | * link unused |
| 1097 | */ |
| 1098 | struct snd_soc_aux_dev *aux_dev; |
| 1099 | int num_aux_devs; |
| 1100 | struct snd_soc_pcm_runtime *rtd_aux; |
| 1101 | int num_aux_rtd; |
| 1102 | |
| 1103 | const struct snd_kcontrol_new *controls; |
| 1104 | int num_controls; |
| 1105 | |
| 1106 | /* |
| 1107 | * Card-specific routes and widgets. |
| 1108 | * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. |
| 1109 | */ |
| 1110 | const struct snd_soc_dapm_widget *dapm_widgets; |
| 1111 | int num_dapm_widgets; |
| 1112 | const struct snd_soc_dapm_route *dapm_routes; |
| 1113 | int num_dapm_routes; |
| 1114 | const struct snd_soc_dapm_widget *of_dapm_widgets; |
| 1115 | int num_of_dapm_widgets; |
| 1116 | const struct snd_soc_dapm_route *of_dapm_routes; |
| 1117 | int num_of_dapm_routes; |
| 1118 | bool fully_routed; |
| 1119 | |
| 1120 | struct work_struct deferred_resume_work; |
| 1121 | |
| 1122 | /* lists of probed devices belonging to this card */ |
| 1123 | struct list_head codec_dev_list; |
| 1124 | |
| 1125 | struct list_head widgets; |
| 1126 | struct list_head paths; |
| 1127 | struct list_head dapm_list; |
| 1128 | struct list_head dapm_dirty; |
| 1129 | |
| 1130 | /* attached dynamic objects */ |
| 1131 | struct list_head dobj_list; |
| 1132 | |
| 1133 | /* Generic DAPM context for the card */ |
| 1134 | struct snd_soc_dapm_context dapm; |
| 1135 | struct snd_soc_dapm_stats dapm_stats; |
| 1136 | struct snd_soc_dapm_update *update; |
| 1137 | |
| 1138 | #ifdef CONFIG_DEBUG_FS |
| 1139 | struct dentry *debugfs_card_root; |
| 1140 | struct dentry *debugfs_pop_time; |
| 1141 | #endif |
| 1142 | u32 pop_time; |
| 1143 | |
| 1144 | void *drvdata; |
| 1145 | }; |
| 1146 | |
| 1147 | /* SoC machine DAI configuration, glues a codec and cpu DAI together */ |
| 1148 | struct snd_soc_pcm_runtime { |
| 1149 | struct device *dev; |
| 1150 | struct snd_soc_card *card; |
| 1151 | struct snd_soc_dai_link *dai_link; |
| 1152 | struct mutex pcm_mutex; |
| 1153 | enum snd_soc_pcm_subclass pcm_subclass; |
| 1154 | struct snd_pcm_ops ops; |
| 1155 | |
| 1156 | unsigned int dev_registered:1; |
| 1157 | |
| 1158 | /* Dynamic PCM BE runtime data */ |
| 1159 | struct snd_soc_dpcm_runtime dpcm[2]; |
| 1160 | int fe_compr; |
| 1161 | |
| 1162 | long pmdown_time; |
| 1163 | unsigned char pop_wait:1; |
| 1164 | |
| 1165 | /* runtime devices */ |
| 1166 | struct snd_pcm *pcm; |
| 1167 | struct snd_compr *compr; |
| 1168 | struct snd_soc_codec *codec; |
| 1169 | struct snd_soc_platform *platform; |
| 1170 | struct snd_soc_dai *codec_dai; |
| 1171 | struct snd_soc_dai *cpu_dai; |
| 1172 | struct snd_soc_component *component; /* Only valid for AUX dev rtds */ |
| 1173 | |
| 1174 | struct snd_soc_dai **codec_dais; |
| 1175 | unsigned int num_codecs; |
| 1176 | |
| 1177 | struct delayed_work delayed_work; |
| 1178 | #ifdef CONFIG_DEBUG_FS |
| 1179 | struct dentry *debugfs_dpcm_root; |
| 1180 | struct dentry *debugfs_dpcm_state; |
| 1181 | #endif |
| 1182 | }; |
| 1183 | |
| 1184 | /* mixer control */ |
| 1185 | struct soc_mixer_control { |
| 1186 | int min, max, platform_max; |
| 1187 | int reg, rreg; |
| 1188 | unsigned int shift, rshift; |
| 1189 | unsigned int sign_bit; |
| 1190 | unsigned int invert:1; |
| 1191 | unsigned int autodisable:1; |
| 1192 | struct snd_soc_dobj dobj; |
| 1193 | }; |
| 1194 | |
| 1195 | struct soc_bytes { |
| 1196 | int base; |
| 1197 | int num_regs; |
| 1198 | u32 mask; |
| 1199 | }; |
| 1200 | |
| 1201 | struct soc_bytes_ext { |
| 1202 | int max; |
| 1203 | struct snd_soc_dobj dobj; |
| 1204 | |
| 1205 | /* used for TLV byte control */ |
| 1206 | int (*get)(unsigned int __user *bytes, unsigned int size); |
| 1207 | int (*put)(const unsigned int __user *bytes, unsigned int size); |
| 1208 | }; |
| 1209 | |
| 1210 | /* multi register control */ |
| 1211 | struct soc_mreg_control { |
| 1212 | long min, max; |
| 1213 | unsigned int regbase, regcount, nbits, invert; |
| 1214 | }; |
| 1215 | |
| 1216 | /* enumerated kcontrol */ |
| 1217 | struct soc_enum { |
| 1218 | int reg; |
| 1219 | unsigned char shift_l; |
| 1220 | unsigned char shift_r; |
| 1221 | unsigned int items; |
| 1222 | unsigned int mask; |
| 1223 | const char * const *texts; |
| 1224 | const unsigned int *values; |
| 1225 | unsigned int autodisable:1; |
| 1226 | struct snd_soc_dobj dobj; |
| 1227 | }; |
| 1228 | |
| 1229 | /** |
| 1230 | * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in |
| 1231 | * @component: The component to cast to a CODEC |
| 1232 | * |
| 1233 | * This function must only be used on components that are known to be CODECs. |
| 1234 | * Otherwise the behavior is undefined. |
| 1235 | */ |
| 1236 | static inline struct snd_soc_codec *snd_soc_component_to_codec( |
| 1237 | struct snd_soc_component *component) |
| 1238 | { |
| 1239 | return container_of(component, struct snd_soc_codec, component); |
| 1240 | } |
| 1241 | |
| 1242 | /** |
| 1243 | * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in |
| 1244 | * @component: The component to cast to a platform |
| 1245 | * |
| 1246 | * This function must only be used on components that are known to be platforms. |
| 1247 | * Otherwise the behavior is undefined. |
| 1248 | */ |
| 1249 | static inline struct snd_soc_platform *snd_soc_component_to_platform( |
| 1250 | struct snd_soc_component *component) |
| 1251 | { |
| 1252 | return container_of(component, struct snd_soc_platform, component); |
| 1253 | } |
| 1254 | |
| 1255 | /** |
| 1256 | * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is |
| 1257 | * embedded in |
| 1258 | * @dapm: The DAPM context to cast to the component |
| 1259 | * |
| 1260 | * This function must only be used on DAPM contexts that are known to be part of |
| 1261 | * a component (e.g. in a component driver). Otherwise the behavior is |
| 1262 | * undefined. |
| 1263 | */ |
| 1264 | static inline struct snd_soc_component *snd_soc_dapm_to_component( |
| 1265 | struct snd_soc_dapm_context *dapm) |
| 1266 | { |
| 1267 | return container_of(dapm, struct snd_soc_component, dapm); |
| 1268 | } |
| 1269 | |
| 1270 | /** |
| 1271 | * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in |
| 1272 | * @dapm: The DAPM context to cast to the CODEC |
| 1273 | * |
| 1274 | * This function must only be used on DAPM contexts that are known to be part of |
| 1275 | * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. |
| 1276 | */ |
| 1277 | static inline struct snd_soc_codec *snd_soc_dapm_to_codec( |
| 1278 | struct snd_soc_dapm_context *dapm) |
| 1279 | { |
| 1280 | return container_of(dapm, struct snd_soc_codec, dapm); |
| 1281 | } |
| 1282 | |
| 1283 | /** |
| 1284 | * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is |
| 1285 | * embedded in |
| 1286 | * @dapm: The DAPM context to cast to the platform. |
| 1287 | * |
| 1288 | * This function must only be used on DAPM contexts that are known to be part of |
| 1289 | * a platform (e.g. in a platform driver). Otherwise the behavior is undefined. |
| 1290 | */ |
| 1291 | static inline struct snd_soc_platform *snd_soc_dapm_to_platform( |
| 1292 | struct snd_soc_dapm_context *dapm) |
| 1293 | { |
| 1294 | return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm)); |
| 1295 | } |
| 1296 | |
| 1297 | /** |
| 1298 | * snd_soc_component_get_dapm() - Returns the DAPM context associated with a |
| 1299 | * component |
| 1300 | * @component: The component for which to get the DAPM context |
| 1301 | */ |
| 1302 | static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( |
| 1303 | struct snd_soc_component *component) |
| 1304 | { |
| 1305 | return component->dapm_ptr; |
| 1306 | } |
| 1307 | |
| 1308 | /** |
| 1309 | * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC |
| 1310 | * @codec: The CODEC for which to get the DAPM context |
| 1311 | * |
| 1312 | * Note: Use this function instead of directly accessing the CODEC's dapm field |
| 1313 | */ |
| 1314 | static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm( |
| 1315 | struct snd_soc_codec *codec) |
| 1316 | { |
| 1317 | return &codec->dapm; |
| 1318 | } |
| 1319 | |
| 1320 | /** |
| 1321 | * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level |
| 1322 | * @dapm: The CODEC for which to initialize the DAPM bias level |
| 1323 | * @level: The DAPM level to initialize to |
| 1324 | * |
| 1325 | * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level(). |
| 1326 | */ |
| 1327 | static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec, |
| 1328 | enum snd_soc_bias_level level) |
| 1329 | { |
| 1330 | snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level); |
| 1331 | } |
| 1332 | |
| 1333 | /** |
| 1334 | * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level |
| 1335 | * @codec: The CODEC for which to get the DAPM bias level |
| 1336 | * |
| 1337 | * Returns: The current DAPM bias level of the CODEC. |
| 1338 | */ |
| 1339 | static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level( |
| 1340 | struct snd_soc_codec *codec) |
| 1341 | { |
| 1342 | return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec)); |
| 1343 | } |
| 1344 | |
| 1345 | /** |
| 1346 | * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level |
| 1347 | * @codec: The CODEC for which to set the level |
| 1348 | * @level: The level to set to |
| 1349 | * |
| 1350 | * Forces the CODEC bias level to a specific state. See |
| 1351 | * snd_soc_dapm_force_bias_level(). |
| 1352 | */ |
| 1353 | static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec, |
| 1354 | enum snd_soc_bias_level level) |
| 1355 | { |
| 1356 | return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec), |
| 1357 | level); |
| 1358 | } |
| 1359 | |
| 1360 | /** |
| 1361 | * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol |
| 1362 | * @kcontrol: The kcontrol |
| 1363 | * |
| 1364 | * This function must only be used on DAPM contexts that are known to be part of |
| 1365 | * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. |
| 1366 | */ |
| 1367 | static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec( |
| 1368 | struct snd_kcontrol *kcontrol) |
| 1369 | { |
| 1370 | return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol)); |
| 1371 | } |
| 1372 | |
| 1373 | /* codec IO */ |
| 1374 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); |
| 1375 | int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg, |
| 1376 | unsigned int val); |
| 1377 | |
| 1378 | /** |
| 1379 | * snd_soc_cache_sync() - Sync the register cache with the hardware |
| 1380 | * @codec: CODEC to sync |
| 1381 | * |
| 1382 | * Note: This function will call regcache_sync() |
| 1383 | */ |
| 1384 | static inline int snd_soc_cache_sync(struct snd_soc_codec *codec) |
| 1385 | { |
| 1386 | return regcache_sync(codec->component.regmap); |
| 1387 | } |
| 1388 | |
| 1389 | /* component IO */ |
| 1390 | int snd_soc_component_read(struct snd_soc_component *component, |
| 1391 | unsigned int reg, unsigned int *val); |
| 1392 | int snd_soc_component_write(struct snd_soc_component *component, |
| 1393 | unsigned int reg, unsigned int val); |
| 1394 | int snd_soc_component_update_bits(struct snd_soc_component *component, |
| 1395 | unsigned int reg, unsigned int mask, unsigned int val); |
| 1396 | int snd_soc_component_update_bits_async(struct snd_soc_component *component, |
| 1397 | unsigned int reg, unsigned int mask, unsigned int val); |
| 1398 | void snd_soc_component_async_complete(struct snd_soc_component *component); |
| 1399 | int snd_soc_component_test_bits(struct snd_soc_component *component, |
| 1400 | unsigned int reg, unsigned int mask, unsigned int value); |
| 1401 | |
| 1402 | #ifdef CONFIG_REGMAP |
| 1403 | |
| 1404 | void snd_soc_component_init_regmap(struct snd_soc_component *component, |
| 1405 | struct regmap *regmap); |
| 1406 | void snd_soc_component_exit_regmap(struct snd_soc_component *component); |
| 1407 | |
| 1408 | /** |
| 1409 | * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC |
| 1410 | * @codec: The CODEC for which to initialize the regmap instance |
| 1411 | * @regmap: The regmap instance that should be used by the CODEC |
| 1412 | * |
| 1413 | * This function allows deferred assignment of the regmap instance that is |
| 1414 | * associated with the CODEC. Only use this if the regmap instance is not yet |
| 1415 | * ready when the CODEC is registered. The function must also be called before |
| 1416 | * the first IO attempt of the CODEC. |
| 1417 | */ |
| 1418 | static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec, |
| 1419 | struct regmap *regmap) |
| 1420 | { |
| 1421 | snd_soc_component_init_regmap(&codec->component, regmap); |
| 1422 | } |
| 1423 | |
| 1424 | /** |
| 1425 | * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC |
| 1426 | * @codec: The CODEC for which to de-initialize the regmap instance |
| 1427 | * |
| 1428 | * Calls regmap_exit() on the regmap instance associated to the CODEC and |
| 1429 | * removes the regmap instance from the CODEC. |
| 1430 | * |
| 1431 | * This function should only be used if snd_soc_codec_init_regmap() was used to |
| 1432 | * initialize the regmap instance. |
| 1433 | */ |
| 1434 | static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec) |
| 1435 | { |
| 1436 | snd_soc_component_exit_regmap(&codec->component); |
| 1437 | } |
| 1438 | |
| 1439 | #endif |
| 1440 | |
| 1441 | /* device driver data */ |
| 1442 | |
| 1443 | static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, |
| 1444 | void *data) |
| 1445 | { |
| 1446 | card->drvdata = data; |
| 1447 | } |
| 1448 | |
| 1449 | static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) |
| 1450 | { |
| 1451 | return card->drvdata; |
| 1452 | } |
| 1453 | |
| 1454 | static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, |
| 1455 | void *data) |
| 1456 | { |
| 1457 | dev_set_drvdata(c->dev, data); |
| 1458 | } |
| 1459 | |
| 1460 | static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) |
| 1461 | { |
| 1462 | return dev_get_drvdata(c->dev); |
| 1463 | } |
| 1464 | |
| 1465 | static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, |
| 1466 | void *data) |
| 1467 | { |
| 1468 | snd_soc_component_set_drvdata(&codec->component, data); |
| 1469 | } |
| 1470 | |
| 1471 | static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) |
| 1472 | { |
| 1473 | return snd_soc_component_get_drvdata(&codec->component); |
| 1474 | } |
| 1475 | |
| 1476 | static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, |
| 1477 | void *data) |
| 1478 | { |
| 1479 | snd_soc_component_set_drvdata(&platform->component, data); |
| 1480 | } |
| 1481 | |
| 1482 | static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) |
| 1483 | { |
| 1484 | return snd_soc_component_get_drvdata(&platform->component); |
| 1485 | } |
| 1486 | |
| 1487 | static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd, |
| 1488 | void *data) |
| 1489 | { |
| 1490 | dev_set_drvdata(rtd->dev, data); |
| 1491 | } |
| 1492 | |
| 1493 | static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) |
| 1494 | { |
| 1495 | return dev_get_drvdata(rtd->dev); |
| 1496 | } |
| 1497 | |
| 1498 | static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) |
| 1499 | { |
| 1500 | INIT_LIST_HEAD(&card->codec_dev_list); |
| 1501 | INIT_LIST_HEAD(&card->widgets); |
| 1502 | INIT_LIST_HEAD(&card->paths); |
| 1503 | INIT_LIST_HEAD(&card->dapm_list); |
| 1504 | } |
| 1505 | |
| 1506 | static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) |
| 1507 | { |
| 1508 | if (mc->reg == mc->rreg && mc->shift == mc->rshift) |
| 1509 | return 0; |
| 1510 | /* |
| 1511 | * mc->reg == mc->rreg && mc->shift != mc->rshift, or |
| 1512 | * mc->reg != mc->rreg means that the control is |
| 1513 | * stereo (bits in one register or in two registers) |
| 1514 | */ |
| 1515 | return 1; |
| 1516 | } |
| 1517 | |
| 1518 | static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, |
| 1519 | unsigned int val) |
| 1520 | { |
| 1521 | unsigned int i; |
| 1522 | |
| 1523 | if (!e->values) |
| 1524 | return val; |
| 1525 | |
| 1526 | for (i = 0; i < e->items; i++) |
| 1527 | if (val == e->values[i]) |
| 1528 | return i; |
| 1529 | |
| 1530 | return 0; |
| 1531 | } |
| 1532 | |
| 1533 | static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, |
| 1534 | unsigned int item) |
| 1535 | { |
| 1536 | if (!e->values) |
| 1537 | return item; |
| 1538 | |
| 1539 | return e->values[item]; |
| 1540 | } |
| 1541 | |
| 1542 | static inline bool snd_soc_component_is_active( |
| 1543 | struct snd_soc_component *component) |
| 1544 | { |
| 1545 | return component->active != 0; |
| 1546 | } |
| 1547 | |
| 1548 | static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec) |
| 1549 | { |
| 1550 | return snd_soc_component_is_active(&codec->component); |
| 1551 | } |
| 1552 | |
| 1553 | /** |
| 1554 | * snd_soc_kcontrol_component() - Returns the component that registered the |
| 1555 | * control |
| 1556 | * @kcontrol: The control for which to get the component |
| 1557 | * |
| 1558 | * Note: This function will work correctly if the control has been registered |
| 1559 | * for a component. Either with snd_soc_add_codec_controls() or |
| 1560 | * snd_soc_add_platform_controls() or via table based setup for either a |
| 1561 | * CODEC, a platform or component driver. Otherwise the behavior is undefined. |
| 1562 | */ |
| 1563 | static inline struct snd_soc_component *snd_soc_kcontrol_component( |
| 1564 | struct snd_kcontrol *kcontrol) |
| 1565 | { |
| 1566 | return snd_kcontrol_chip(kcontrol); |
| 1567 | } |
| 1568 | |
| 1569 | /** |
| 1570 | * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control |
| 1571 | * @kcontrol: The control for which to get the CODEC |
| 1572 | * |
| 1573 | * Note: This function will only work correctly if the control has been |
| 1574 | * registered with snd_soc_add_codec_controls() or via table based setup of |
| 1575 | * snd_soc_codec_driver. Otherwise the behavior is undefined. |
| 1576 | */ |
| 1577 | static inline struct snd_soc_codec *snd_soc_kcontrol_codec( |
| 1578 | struct snd_kcontrol *kcontrol) |
| 1579 | { |
| 1580 | return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol)); |
| 1581 | } |
| 1582 | |
| 1583 | /** |
| 1584 | * snd_soc_kcontrol_platform() - Returns the platform that registered the control |
| 1585 | * @kcontrol: The control for which to get the platform |
| 1586 | * |
| 1587 | * Note: This function will only work correctly if the control has been |
| 1588 | * registered with snd_soc_add_platform_controls() or via table based setup of |
| 1589 | * a snd_soc_platform_driver. Otherwise the behavior is undefined. |
| 1590 | */ |
| 1591 | static inline struct snd_soc_platform *snd_soc_kcontrol_platform( |
| 1592 | struct snd_kcontrol *kcontrol) |
| 1593 | { |
| 1594 | return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol)); |
| 1595 | } |
| 1596 | |
| 1597 | int snd_soc_util_init(void); |
| 1598 | void snd_soc_util_exit(void); |
| 1599 | |
| 1600 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, |
| 1601 | const char *propname); |
| 1602 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, |
| 1603 | const char *propname); |
| 1604 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
| 1605 | unsigned int *slots, |
| 1606 | unsigned int *slot_width); |
| 1607 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
| 1608 | const char *propname); |
| 1609 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
| 1610 | const char *prefix, |
| 1611 | struct device_node **bitclkmaster, |
| 1612 | struct device_node **framemaster); |
| 1613 | int snd_soc_of_get_dai_name(struct device_node *of_node, |
| 1614 | const char **dai_name); |
| 1615 | int snd_soc_of_get_dai_link_codecs(struct device *dev, |
| 1616 | struct device_node *of_node, |
| 1617 | struct snd_soc_dai_link *dai_link); |
| 1618 | |
| 1619 | #include <sound/soc-dai.h> |
| 1620 | |
| 1621 | #ifdef CONFIG_DEBUG_FS |
| 1622 | extern struct dentry *snd_soc_debugfs_root; |
| 1623 | #endif |
| 1624 | |
| 1625 | extern const struct dev_pm_ops snd_soc_pm_ops; |
| 1626 | |
| 1627 | /* Helper functions */ |
| 1628 | static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) |
| 1629 | { |
| 1630 | mutex_lock(&dapm->card->dapm_mutex); |
| 1631 | } |
| 1632 | |
| 1633 | static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) |
| 1634 | { |
| 1635 | mutex_unlock(&dapm->card->dapm_mutex); |
| 1636 | } |
| 1637 | |
| 1638 | #endif |