| 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 | * Bias levels |
| 367 | * |
| 368 | * @ON: Bias is fully on for audio playback and capture operations. |
| 369 | * @PREPARE: Prepare for audio operations. Called before DAPM switching for |
| 370 | * stream start and stop operations. |
| 371 | * @STANDBY: Low power standby state when no playback/capture operations are |
| 372 | * in progress. NOTE: The transition time between STANDBY and ON |
| 373 | * should be as fast as possible and no longer than 10ms. |
| 374 | * @OFF: Power Off. No restrictions on transition times. |
| 375 | */ |
| 376 | enum snd_soc_bias_level { |
| 377 | SND_SOC_BIAS_OFF = 0, |
| 378 | SND_SOC_BIAS_STANDBY = 1, |
| 379 | SND_SOC_BIAS_PREPARE = 2, |
| 380 | SND_SOC_BIAS_ON = 3, |
| 381 | }; |
| 382 | |
| 383 | struct device_node; |
| 384 | struct snd_jack; |
| 385 | struct snd_soc_card; |
| 386 | struct snd_soc_pcm_stream; |
| 387 | struct snd_soc_ops; |
| 388 | struct snd_soc_pcm_runtime; |
| 389 | struct snd_soc_dai; |
| 390 | struct snd_soc_dai_driver; |
| 391 | struct snd_soc_dai_link; |
| 392 | struct snd_soc_component; |
| 393 | struct snd_soc_component_driver; |
| 394 | struct soc_enum; |
| 395 | struct snd_soc_jack; |
| 396 | struct snd_soc_jack_zone; |
| 397 | struct snd_soc_jack_pin; |
| 398 | #include <sound/soc-dapm.h> |
| 399 | #include <sound/soc-dpcm.h> |
| 400 | #include <sound/soc-topology.h> |
| 401 | |
| 402 | struct snd_soc_jack_gpio; |
| 403 | |
| 404 | typedef int (*hw_write_t)(void *,const char* ,int); |
| 405 | |
| 406 | enum snd_soc_pcm_subclass { |
| 407 | SND_SOC_PCM_CLASS_PCM = 0, |
| 408 | SND_SOC_PCM_CLASS_BE = 1, |
| 409 | }; |
| 410 | |
| 411 | enum snd_soc_card_subclass { |
| 412 | SND_SOC_CARD_CLASS_INIT = 0, |
| 413 | SND_SOC_CARD_CLASS_RUNTIME = 1, |
| 414 | }; |
| 415 | |
| 416 | int snd_soc_register_card(struct snd_soc_card *card); |
| 417 | int snd_soc_unregister_card(struct snd_soc_card *card); |
| 418 | int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); |
| 419 | #ifdef CONFIG_PM_SLEEP |
| 420 | int snd_soc_suspend(struct device *dev); |
| 421 | int snd_soc_resume(struct device *dev); |
| 422 | #else |
| 423 | static inline int snd_soc_suspend(struct device *dev) |
| 424 | { |
| 425 | return 0; |
| 426 | } |
| 427 | |
| 428 | static inline int snd_soc_resume(struct device *dev) |
| 429 | { |
| 430 | return 0; |
| 431 | } |
| 432 | #endif |
| 433 | int snd_soc_poweroff(struct device *dev); |
| 434 | int snd_soc_add_component(struct device *dev, |
| 435 | struct snd_soc_component *component, |
| 436 | const struct snd_soc_component_driver *component_driver, |
| 437 | struct snd_soc_dai_driver *dai_drv, |
| 438 | int num_dai); |
| 439 | int snd_soc_register_component(struct device *dev, |
| 440 | const struct snd_soc_component_driver *component_driver, |
| 441 | struct snd_soc_dai_driver *dai_drv, int num_dai); |
| 442 | int devm_snd_soc_register_component(struct device *dev, |
| 443 | const struct snd_soc_component_driver *component_driver, |
| 444 | struct snd_soc_dai_driver *dai_drv, int num_dai); |
| 445 | void snd_soc_unregister_component(struct device *dev); |
| 446 | struct snd_soc_component *snd_soc_lookup_component(struct device *dev, |
| 447 | const char *driver_name); |
| 448 | |
| 449 | int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); |
| 450 | #ifdef CONFIG_SND_SOC_COMPRESS |
| 451 | int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); |
| 452 | #else |
| 453 | static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) |
| 454 | { |
| 455 | return 0; |
| 456 | } |
| 457 | #endif |
| 458 | |
| 459 | void snd_soc_disconnect_sync(struct device *dev); |
| 460 | |
| 461 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
| 462 | const char *dai_link, int stream); |
| 463 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, |
| 464 | const char *dai_link); |
| 465 | |
| 466 | bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); |
| 467 | void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); |
| 468 | void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); |
| 469 | |
| 470 | int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, |
| 471 | unsigned int dai_fmt); |
| 472 | |
| 473 | #ifdef CONFIG_DMI |
| 474 | int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); |
| 475 | #else |
| 476 | static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, |
| 477 | const char *flavour) |
| 478 | { |
| 479 | return 0; |
| 480 | } |
| 481 | #endif |
| 482 | |
| 483 | /* Utility functions to get clock rates from various things */ |
| 484 | int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); |
| 485 | int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); |
| 486 | int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); |
| 487 | int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); |
| 488 | |
| 489 | /* set runtime hw params */ |
| 490 | int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, |
| 491 | const struct snd_pcm_hardware *hw); |
| 492 | |
| 493 | /* Jack reporting */ |
| 494 | int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type, |
| 495 | struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins, |
| 496 | unsigned int num_pins); |
| 497 | |
| 498 | void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); |
| 499 | int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, |
| 500 | struct snd_soc_jack_pin *pins); |
| 501 | void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, |
| 502 | struct notifier_block *nb); |
| 503 | void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, |
| 504 | struct notifier_block *nb); |
| 505 | int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, |
| 506 | struct snd_soc_jack_zone *zones); |
| 507 | int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); |
| 508 | #ifdef CONFIG_GPIOLIB |
| 509 | int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, |
| 510 | struct snd_soc_jack_gpio *gpios); |
| 511 | int snd_soc_jack_add_gpiods(struct device *gpiod_dev, |
| 512 | struct snd_soc_jack *jack, |
| 513 | int count, struct snd_soc_jack_gpio *gpios); |
| 514 | void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, |
| 515 | struct snd_soc_jack_gpio *gpios); |
| 516 | #else |
| 517 | static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, |
| 518 | struct snd_soc_jack_gpio *gpios) |
| 519 | { |
| 520 | return 0; |
| 521 | } |
| 522 | |
| 523 | static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev, |
| 524 | struct snd_soc_jack *jack, |
| 525 | int count, |
| 526 | struct snd_soc_jack_gpio *gpios) |
| 527 | { |
| 528 | return 0; |
| 529 | } |
| 530 | |
| 531 | static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, |
| 532 | struct snd_soc_jack_gpio *gpios) |
| 533 | { |
| 534 | } |
| 535 | #endif |
| 536 | |
| 537 | struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); |
| 538 | struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, |
| 539 | unsigned int id, unsigned int id_mask); |
| 540 | void snd_soc_free_ac97_component(struct snd_ac97 *ac97); |
| 541 | |
| 542 | #ifdef CONFIG_SND_SOC_AC97_BUS |
| 543 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); |
| 544 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, |
| 545 | struct platform_device *pdev); |
| 546 | |
| 547 | extern struct snd_ac97_bus_ops *soc_ac97_ops; |
| 548 | #else |
| 549 | static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, |
| 550 | struct platform_device *pdev) |
| 551 | { |
| 552 | return 0; |
| 553 | } |
| 554 | |
| 555 | static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) |
| 556 | { |
| 557 | return 0; |
| 558 | } |
| 559 | #endif |
| 560 | |
| 561 | /* |
| 562 | *Controls |
| 563 | */ |
| 564 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, |
| 565 | void *data, const char *long_name, |
| 566 | const char *prefix); |
| 567 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
| 568 | const char *name); |
| 569 | int snd_soc_add_component_controls(struct snd_soc_component *component, |
| 570 | const struct snd_kcontrol_new *controls, unsigned int num_controls); |
| 571 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, |
| 572 | const struct snd_kcontrol_new *controls, int num_controls); |
| 573 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, |
| 574 | const struct snd_kcontrol_new *controls, int num_controls); |
| 575 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, |
| 576 | struct snd_ctl_elem_info *uinfo); |
| 577 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, |
| 578 | struct snd_ctl_elem_value *ucontrol); |
| 579 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, |
| 580 | struct snd_ctl_elem_value *ucontrol); |
| 581 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, |
| 582 | struct snd_ctl_elem_info *uinfo); |
| 583 | int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, |
| 584 | struct snd_ctl_elem_info *uinfo); |
| 585 | #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info |
| 586 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, |
| 587 | struct snd_ctl_elem_value *ucontrol); |
| 588 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, |
| 589 | struct snd_ctl_elem_value *ucontrol); |
| 590 | #define snd_soc_get_volsw_2r snd_soc_get_volsw |
| 591 | #define snd_soc_put_volsw_2r snd_soc_put_volsw |
| 592 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, |
| 593 | struct snd_ctl_elem_value *ucontrol); |
| 594 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, |
| 595 | struct snd_ctl_elem_value *ucontrol); |
| 596 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, |
| 597 | struct snd_ctl_elem_info *uinfo); |
| 598 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, |
| 599 | struct snd_ctl_elem_value *ucontrol); |
| 600 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, |
| 601 | struct snd_ctl_elem_value *ucontrol); |
| 602 | int snd_soc_limit_volume(struct snd_soc_card *card, |
| 603 | const char *name, int max); |
| 604 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
| 605 | struct snd_ctl_elem_info *uinfo); |
| 606 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, |
| 607 | struct snd_ctl_elem_value *ucontrol); |
| 608 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, |
| 609 | struct snd_ctl_elem_value *ucontrol); |
| 610 | int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, |
| 611 | struct snd_ctl_elem_info *ucontrol); |
| 612 | int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, |
| 613 | unsigned int size, unsigned int __user *tlv); |
| 614 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, |
| 615 | struct snd_ctl_elem_info *uinfo); |
| 616 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, |
| 617 | struct snd_ctl_elem_value *ucontrol); |
| 618 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, |
| 619 | struct snd_ctl_elem_value *ucontrol); |
| 620 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, |
| 621 | struct snd_ctl_elem_value *ucontrol); |
| 622 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, |
| 623 | struct snd_ctl_elem_value *ucontrol); |
| 624 | |
| 625 | /** |
| 626 | * struct snd_soc_jack_pin - Describes a pin to update based on jack detection |
| 627 | * |
| 628 | * @pin: name of the pin to update |
| 629 | * @mask: bits to check for in reported jack status |
| 630 | * @invert: if non-zero then pin is enabled when status is not reported |
| 631 | * @list: internal list entry |
| 632 | */ |
| 633 | struct snd_soc_jack_pin { |
| 634 | struct list_head list; |
| 635 | const char *pin; |
| 636 | int mask; |
| 637 | bool invert; |
| 638 | }; |
| 639 | |
| 640 | /** |
| 641 | * struct snd_soc_jack_zone - Describes voltage zones of jack detection |
| 642 | * |
| 643 | * @min_mv: start voltage in mv |
| 644 | * @max_mv: end voltage in mv |
| 645 | * @jack_type: type of jack that is expected for this voltage |
| 646 | * @debounce_time: debounce_time for jack, codec driver should wait for this |
| 647 | * duration before reading the adc for voltages |
| 648 | * @list: internal list entry |
| 649 | */ |
| 650 | struct snd_soc_jack_zone { |
| 651 | unsigned int min_mv; |
| 652 | unsigned int max_mv; |
| 653 | unsigned int jack_type; |
| 654 | unsigned int debounce_time; |
| 655 | struct list_head list; |
| 656 | }; |
| 657 | |
| 658 | /** |
| 659 | * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection |
| 660 | * |
| 661 | * @gpio: legacy gpio number |
| 662 | * @idx: gpio descriptor index within the function of the GPIO |
| 663 | * consumer device |
| 664 | * @gpiod_dev: GPIO consumer device |
| 665 | * @name: gpio name. Also as connection ID for the GPIO consumer |
| 666 | * device function name lookup |
| 667 | * @report: value to report when jack detected |
| 668 | * @invert: report presence in low state |
| 669 | * @debounce_time: debounce time in ms |
| 670 | * @wake: enable as wake source |
| 671 | * @jack_status_check: callback function which overrides the detection |
| 672 | * to provide more complex checks (eg, reading an |
| 673 | * ADC). |
| 674 | */ |
| 675 | struct snd_soc_jack_gpio { |
| 676 | unsigned int gpio; |
| 677 | unsigned int idx; |
| 678 | struct device *gpiod_dev; |
| 679 | const char *name; |
| 680 | int report; |
| 681 | int invert; |
| 682 | int debounce_time; |
| 683 | bool wake; |
| 684 | |
| 685 | /* private: */ |
| 686 | struct snd_soc_jack *jack; |
| 687 | struct delayed_work work; |
| 688 | struct notifier_block pm_notifier; |
| 689 | struct gpio_desc *desc; |
| 690 | |
| 691 | void *data; |
| 692 | /* public: */ |
| 693 | int (*jack_status_check)(void *data); |
| 694 | }; |
| 695 | |
| 696 | struct snd_soc_jack { |
| 697 | struct mutex mutex; |
| 698 | struct snd_jack *jack; |
| 699 | struct snd_soc_card *card; |
| 700 | struct list_head pins; |
| 701 | int status; |
| 702 | struct blocking_notifier_head notifier; |
| 703 | struct list_head jack_zones; |
| 704 | }; |
| 705 | |
| 706 | /* SoC PCM stream information */ |
| 707 | struct snd_soc_pcm_stream { |
| 708 | const char *stream_name; |
| 709 | u64 formats; /* SNDRV_PCM_FMTBIT_* */ |
| 710 | unsigned int rates; /* SNDRV_PCM_RATE_* */ |
| 711 | unsigned int rate_min; /* min rate */ |
| 712 | unsigned int rate_max; /* max rate */ |
| 713 | unsigned int channels_min; /* min channels */ |
| 714 | unsigned int channels_max; /* max channels */ |
| 715 | unsigned int sig_bits; /* number of bits of content */ |
| 716 | }; |
| 717 | |
| 718 | /* SoC audio ops */ |
| 719 | struct snd_soc_ops { |
| 720 | int (*startup)(struct snd_pcm_substream *); |
| 721 | void (*shutdown)(struct snd_pcm_substream *); |
| 722 | int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); |
| 723 | int (*hw_free)(struct snd_pcm_substream *); |
| 724 | int (*prepare)(struct snd_pcm_substream *); |
| 725 | int (*trigger)(struct snd_pcm_substream *, int); |
| 726 | }; |
| 727 | |
| 728 | struct snd_soc_compr_ops { |
| 729 | int (*startup)(struct snd_compr_stream *); |
| 730 | void (*shutdown)(struct snd_compr_stream *); |
| 731 | int (*set_params)(struct snd_compr_stream *); |
| 732 | int (*trigger)(struct snd_compr_stream *); |
| 733 | }; |
| 734 | |
| 735 | struct snd_soc_rtdcom_list { |
| 736 | struct snd_soc_component *component; |
| 737 | struct list_head list; /* rtd::component_list */ |
| 738 | }; |
| 739 | struct snd_soc_component* |
| 740 | snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, |
| 741 | const char *driver_name); |
| 742 | #define for_each_rtdcom(rtd, rtdcom) \ |
| 743 | list_for_each_entry(rtdcom, &(rtd)->component_list, list) |
| 744 | #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \ |
| 745 | list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list) |
| 746 | |
| 747 | struct snd_soc_dai_link_component { |
| 748 | const char *name; |
| 749 | struct device_node *of_node; |
| 750 | const char *dai_name; |
| 751 | }; |
| 752 | |
| 753 | struct snd_soc_dai_link { |
| 754 | /* config - must be set by machine driver */ |
| 755 | const char *name; /* Codec name */ |
| 756 | const char *stream_name; /* Stream name */ |
| 757 | |
| 758 | /* |
| 759 | * You MAY specify the link's CPU-side device, either by device name, |
| 760 | * or by DT/OF node, but not both. If this information is omitted, |
| 761 | * the CPU-side DAI is matched using .cpu_dai_name only, which hence |
| 762 | * must be globally unique. These fields are currently typically used |
| 763 | * only for codec to codec links, or systems using device tree. |
| 764 | */ |
| 765 | /* |
| 766 | * You MAY specify the DAI name of the CPU DAI. If this information is |
| 767 | * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node |
| 768 | * only, which only works well when that device exposes a single DAI. |
| 769 | */ |
| 770 | struct snd_soc_dai_link_component *cpus; |
| 771 | unsigned int num_cpus; |
| 772 | |
| 773 | /* |
| 774 | * You MUST specify the link's codec, either by device name, or by |
| 775 | * DT/OF node, but not both. |
| 776 | */ |
| 777 | /* You MUST specify the DAI name within the codec */ |
| 778 | struct snd_soc_dai_link_component *codecs; |
| 779 | unsigned int num_codecs; |
| 780 | |
| 781 | /* |
| 782 | * You MAY specify the link's platform/PCM/DMA driver, either by |
| 783 | * device name, or by DT/OF node, but not both. Some forms of link |
| 784 | * do not need a platform. In such case, platforms are not mandatory. |
| 785 | */ |
| 786 | struct snd_soc_dai_link_component *platforms; |
| 787 | unsigned int num_platforms; |
| 788 | |
| 789 | int id; /* optional ID for machine driver link identification */ |
| 790 | |
| 791 | const struct snd_soc_pcm_stream *params; |
| 792 | unsigned int num_params; |
| 793 | |
| 794 | unsigned int dai_fmt; /* format to set on init */ |
| 795 | |
| 796 | enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ |
| 797 | |
| 798 | /* codec/machine specific init - e.g. add machine controls */ |
| 799 | int (*init)(struct snd_soc_pcm_runtime *rtd); |
| 800 | |
| 801 | /* optional hw_params re-writing for BE and FE sync */ |
| 802 | int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, |
| 803 | struct snd_pcm_hw_params *params); |
| 804 | |
| 805 | /* machine stream operations */ |
| 806 | const struct snd_soc_ops *ops; |
| 807 | const struct snd_soc_compr_ops *compr_ops; |
| 808 | |
| 809 | /* Mark this pcm with non atomic ops */ |
| 810 | bool nonatomic; |
| 811 | |
| 812 | /* For unidirectional dai links */ |
| 813 | unsigned int playback_only:1; |
| 814 | unsigned int capture_only:1; |
| 815 | |
| 816 | /* Keep DAI active over suspend */ |
| 817 | unsigned int ignore_suspend:1; |
| 818 | |
| 819 | /* Symmetry requirements */ |
| 820 | unsigned int symmetric_rates:1; |
| 821 | unsigned int symmetric_channels:1; |
| 822 | unsigned int symmetric_samplebits:1; |
| 823 | |
| 824 | /* Do not create a PCM for this DAI link (Backend link) */ |
| 825 | unsigned int no_pcm:1; |
| 826 | |
| 827 | /* This DAI link can route to other DAI links at runtime (Frontend)*/ |
| 828 | unsigned int dynamic:1; |
| 829 | |
| 830 | /* DPCM capture and Playback support */ |
| 831 | unsigned int dpcm_capture:1; |
| 832 | unsigned int dpcm_playback:1; |
| 833 | |
| 834 | /* DPCM used FE & BE merged format */ |
| 835 | unsigned int dpcm_merged_format:1; |
| 836 | /* DPCM used FE & BE merged channel */ |
| 837 | unsigned int dpcm_merged_chan:1; |
| 838 | /* DPCM used FE & BE merged rate */ |
| 839 | unsigned int dpcm_merged_rate:1; |
| 840 | |
| 841 | /* pmdown_time is ignored at stop */ |
| 842 | unsigned int ignore_pmdown_time:1; |
| 843 | |
| 844 | /* Do not create a PCM for this DAI link (Backend link) */ |
| 845 | unsigned int ignore:1; |
| 846 | |
| 847 | struct list_head list; /* DAI link list of the soc card */ |
| 848 | struct snd_soc_dobj dobj; /* For topology */ |
| 849 | }; |
| 850 | #define for_each_link_codecs(link, i, codec) \ |
| 851 | for ((i) = 0; \ |
| 852 | ((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \ |
| 853 | (i)++) |
| 854 | |
| 855 | #define for_each_link_platforms(link, i, platform) \ |
| 856 | for ((i) = 0; \ |
| 857 | ((i) < link->num_platforms) && \ |
| 858 | ((platform) = &link->platforms[i]); \ |
| 859 | (i)++) |
| 860 | |
| 861 | /* |
| 862 | * Sample 1 : Single CPU/Codec/Platform |
| 863 | * |
| 864 | * SND_SOC_DAILINK_DEFS(test, |
| 865 | * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), |
| 866 | * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), |
| 867 | * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); |
| 868 | * |
| 869 | * struct snd_soc_dai_link link = { |
| 870 | * ... |
| 871 | * SND_SOC_DAILINK_REG(test), |
| 872 | * }; |
| 873 | * |
| 874 | * Sample 2 : Multi CPU/Codec, no Platform |
| 875 | * |
| 876 | * SND_SOC_DAILINK_DEFS(test, |
| 877 | * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), |
| 878 | * COMP_CPU("cpu_dai2")), |
| 879 | * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), |
| 880 | * COMP_CODEC("codec2", "codec_dai2"))); |
| 881 | * |
| 882 | * struct snd_soc_dai_link link = { |
| 883 | * ... |
| 884 | * SND_SOC_DAILINK_REG(test), |
| 885 | * }; |
| 886 | * |
| 887 | * Sample 3 : Define each CPU/Codec/Platform manually |
| 888 | * |
| 889 | * SND_SOC_DAILINK_DEF(test_cpu, |
| 890 | * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), |
| 891 | * COMP_CPU("cpu_dai2"))); |
| 892 | * SND_SOC_DAILINK_DEF(test_codec, |
| 893 | * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), |
| 894 | * COMP_CODEC("codec2", "codec_dai2"))); |
| 895 | * SND_SOC_DAILINK_DEF(test_platform, |
| 896 | * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); |
| 897 | * |
| 898 | * struct snd_soc_dai_link link = { |
| 899 | * ... |
| 900 | * SND_SOC_DAILINK_REG(test_cpu, |
| 901 | * test_codec, |
| 902 | * test_platform), |
| 903 | * }; |
| 904 | * |
| 905 | * Sample 4 : Sample3 without platform |
| 906 | * |
| 907 | * struct snd_soc_dai_link link = { |
| 908 | * ... |
| 909 | * SND_SOC_DAILINK_REG(test_cpu, |
| 910 | * test_codec); |
| 911 | * }; |
| 912 | */ |
| 913 | |
| 914 | #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) |
| 915 | #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) |
| 916 | #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ |
| 917 | .cpus = cpu, \ |
| 918 | .num_cpus = ARRAY_SIZE(cpu), \ |
| 919 | .codecs = codec, \ |
| 920 | .num_codecs = ARRAY_SIZE(codec), \ |
| 921 | .platforms = platform, \ |
| 922 | .num_platforms = ARRAY_SIZE(platform) |
| 923 | |
| 924 | #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func |
| 925 | #define SND_SOC_DAILINK_REG(...) \ |
| 926 | SND_SOC_DAILINK_REGx(__VA_ARGS__, \ |
| 927 | SND_SOC_DAILINK_REG3, \ |
| 928 | SND_SOC_DAILINK_REG2, \ |
| 929 | SND_SOC_DAILINK_REG1)(__VA_ARGS__) |
| 930 | |
| 931 | #define SND_SOC_DAILINK_DEF(name, def...) \ |
| 932 | static struct snd_soc_dai_link_component name[] = { def } |
| 933 | |
| 934 | #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ |
| 935 | SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ |
| 936 | SND_SOC_DAILINK_DEF(name##_codecs, codec); \ |
| 937 | SND_SOC_DAILINK_DEF(name##_platforms, platform) |
| 938 | |
| 939 | #define DAILINK_COMP_ARRAY(param...) param |
| 940 | #define COMP_EMPTY() { } |
| 941 | #define COMP_CPU(_dai) { .dai_name = _dai, } |
| 942 | #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } |
| 943 | #define COMP_PLATFORM(_name) { .name = _name } |
| 944 | #define COMP_DUMMY() { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", } |
| 945 | |
| 946 | extern struct snd_soc_dai_link_component null_dailink_component[0]; |
| 947 | |
| 948 | |
| 949 | struct snd_soc_codec_conf { |
| 950 | /* |
| 951 | * specify device either by device name, or by |
| 952 | * DT/OF node, but not both. |
| 953 | */ |
| 954 | const char *dev_name; |
| 955 | struct device_node *of_node; |
| 956 | |
| 957 | /* |
| 958 | * optional map of kcontrol, widget and path name prefixes that are |
| 959 | * associated per device |
| 960 | */ |
| 961 | const char *name_prefix; |
| 962 | }; |
| 963 | |
| 964 | struct snd_soc_aux_dev { |
| 965 | const char *name; /* Codec name */ |
| 966 | |
| 967 | /* |
| 968 | * specify multi-codec either by device name, or by |
| 969 | * DT/OF node, but not both. |
| 970 | */ |
| 971 | const char *codec_name; |
| 972 | struct device_node *codec_of_node; |
| 973 | |
| 974 | /* codec/machine specific init - e.g. add machine controls */ |
| 975 | int (*init)(struct snd_soc_component *component); |
| 976 | }; |
| 977 | |
| 978 | /* SoC card */ |
| 979 | struct snd_soc_card { |
| 980 | const char *name; |
| 981 | const char *long_name; |
| 982 | const char *driver_name; |
| 983 | char dmi_longname[80]; |
| 984 | char topology_shortname[32]; |
| 985 | |
| 986 | struct device *dev; |
| 987 | struct snd_card *snd_card; |
| 988 | struct module *owner; |
| 989 | |
| 990 | struct mutex mutex; |
| 991 | struct mutex dapm_mutex; |
| 992 | |
| 993 | spinlock_t dpcm_lock; |
| 994 | |
| 995 | bool instantiated; |
| 996 | bool topology_shortname_created; |
| 997 | |
| 998 | int (*probe)(struct snd_soc_card *card); |
| 999 | int (*late_probe)(struct snd_soc_card *card); |
| 1000 | int (*remove)(struct snd_soc_card *card); |
| 1001 | |
| 1002 | /* the pre and post PM functions are used to do any PM work before and |
| 1003 | * after the codec and DAI's do any PM work. */ |
| 1004 | int (*suspend_pre)(struct snd_soc_card *card); |
| 1005 | int (*suspend_post)(struct snd_soc_card *card); |
| 1006 | int (*resume_pre)(struct snd_soc_card *card); |
| 1007 | int (*resume_post)(struct snd_soc_card *card); |
| 1008 | |
| 1009 | /* callbacks */ |
| 1010 | int (*set_bias_level)(struct snd_soc_card *, |
| 1011 | struct snd_soc_dapm_context *dapm, |
| 1012 | enum snd_soc_bias_level level); |
| 1013 | int (*set_bias_level_post)(struct snd_soc_card *, |
| 1014 | struct snd_soc_dapm_context *dapm, |
| 1015 | enum snd_soc_bias_level level); |
| 1016 | |
| 1017 | int (*add_dai_link)(struct snd_soc_card *, |
| 1018 | struct snd_soc_dai_link *link); |
| 1019 | void (*remove_dai_link)(struct snd_soc_card *, |
| 1020 | struct snd_soc_dai_link *link); |
| 1021 | |
| 1022 | long pmdown_time; |
| 1023 | |
| 1024 | /* CPU <--> Codec DAI links */ |
| 1025 | struct snd_soc_dai_link *dai_link; /* predefined links only */ |
| 1026 | int num_links; /* predefined links only */ |
| 1027 | struct list_head dai_link_list; /* all links */ |
| 1028 | |
| 1029 | struct list_head rtd_list; |
| 1030 | int num_rtd; |
| 1031 | |
| 1032 | /* optional codec specific configuration */ |
| 1033 | struct snd_soc_codec_conf *codec_conf; |
| 1034 | int num_configs; |
| 1035 | |
| 1036 | /* |
| 1037 | * optional auxiliary devices such as amplifiers or codecs with DAI |
| 1038 | * link unused |
| 1039 | */ |
| 1040 | struct snd_soc_aux_dev *aux_dev; |
| 1041 | int num_aux_devs; |
| 1042 | struct list_head aux_comp_list; |
| 1043 | |
| 1044 | const struct snd_kcontrol_new *controls; |
| 1045 | int num_controls; |
| 1046 | |
| 1047 | /* |
| 1048 | * Card-specific routes and widgets. |
| 1049 | * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. |
| 1050 | */ |
| 1051 | const struct snd_soc_dapm_widget *dapm_widgets; |
| 1052 | int num_dapm_widgets; |
| 1053 | const struct snd_soc_dapm_route *dapm_routes; |
| 1054 | int num_dapm_routes; |
| 1055 | const struct snd_soc_dapm_widget *of_dapm_widgets; |
| 1056 | int num_of_dapm_widgets; |
| 1057 | const struct snd_soc_dapm_route *of_dapm_routes; |
| 1058 | int num_of_dapm_routes; |
| 1059 | bool fully_routed; |
| 1060 | |
| 1061 | struct work_struct deferred_resume_work; |
| 1062 | |
| 1063 | /* lists of probed devices belonging to this card */ |
| 1064 | struct list_head component_dev_list; |
| 1065 | struct list_head list; |
| 1066 | |
| 1067 | struct list_head widgets; |
| 1068 | struct list_head paths; |
| 1069 | struct list_head dapm_list; |
| 1070 | struct list_head dapm_dirty; |
| 1071 | |
| 1072 | /* attached dynamic objects */ |
| 1073 | struct list_head dobj_list; |
| 1074 | |
| 1075 | /* Generic DAPM context for the card */ |
| 1076 | struct snd_soc_dapm_context dapm; |
| 1077 | struct snd_soc_dapm_stats dapm_stats; |
| 1078 | struct snd_soc_dapm_update *update; |
| 1079 | |
| 1080 | #ifdef CONFIG_DEBUG_FS |
| 1081 | struct dentry *debugfs_card_root; |
| 1082 | #endif |
| 1083 | u32 pop_time; |
| 1084 | |
| 1085 | void *drvdata; |
| 1086 | }; |
| 1087 | #define for_each_card_prelinks(card, i, link) \ |
| 1088 | for ((i) = 0; \ |
| 1089 | ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ |
| 1090 | (i)++) |
| 1091 | |
| 1092 | #define for_each_card_links(card, link) \ |
| 1093 | list_for_each_entry(link, &(card)->dai_link_list, list) |
| 1094 | #define for_each_card_links_safe(card, link, _link) \ |
| 1095 | list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list) |
| 1096 | |
| 1097 | #define for_each_card_rtds(card, rtd) \ |
| 1098 | list_for_each_entry(rtd, &(card)->rtd_list, list) |
| 1099 | #define for_each_card_rtds_safe(card, rtd, _rtd) \ |
| 1100 | list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) |
| 1101 | |
| 1102 | #define for_each_card_components(card, component) \ |
| 1103 | list_for_each_entry(component, &(card)->component_dev_list, card_list) |
| 1104 | |
| 1105 | /* SoC machine DAI configuration, glues a codec and cpu DAI together */ |
| 1106 | struct snd_soc_pcm_runtime { |
| 1107 | struct device *dev; |
| 1108 | struct snd_soc_card *card; |
| 1109 | struct snd_soc_dai_link *dai_link; |
| 1110 | struct mutex pcm_mutex; |
| 1111 | enum snd_soc_pcm_subclass pcm_subclass; |
| 1112 | struct snd_pcm_ops ops; |
| 1113 | |
| 1114 | unsigned int params_select; /* currently selected param for dai link */ |
| 1115 | |
| 1116 | /* Dynamic PCM BE runtime data */ |
| 1117 | struct snd_soc_dpcm_runtime dpcm[2]; |
| 1118 | |
| 1119 | long pmdown_time; |
| 1120 | |
| 1121 | /* runtime devices */ |
| 1122 | struct snd_pcm *pcm; |
| 1123 | struct snd_compr *compr; |
| 1124 | struct snd_soc_dai *codec_dai; |
| 1125 | struct snd_soc_dai *cpu_dai; |
| 1126 | |
| 1127 | struct snd_soc_dai **codec_dais; |
| 1128 | unsigned int num_codecs; |
| 1129 | |
| 1130 | struct delayed_work delayed_work; |
| 1131 | #ifdef CONFIG_DEBUG_FS |
| 1132 | struct dentry *debugfs_dpcm_root; |
| 1133 | #endif |
| 1134 | |
| 1135 | unsigned int num; /* 0-based and monotonic increasing */ |
| 1136 | struct list_head list; /* rtd list of the soc card */ |
| 1137 | struct list_head component_list; /* list of connected components */ |
| 1138 | |
| 1139 | /* bit field */ |
| 1140 | unsigned int dev_registered:1; |
| 1141 | unsigned int pop_wait:1; |
| 1142 | unsigned int fe_compr:1; /* for Dynamic PCM */ |
| 1143 | }; |
| 1144 | #define for_each_rtd_codec_dai(rtd, i, dai)\ |
| 1145 | for ((i) = 0; \ |
| 1146 | ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \ |
| 1147 | (i)++) |
| 1148 | #define for_each_rtd_codec_dai_rollback(rtd, i, dai) \ |
| 1149 | for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);) |
| 1150 | |
| 1151 | |
| 1152 | /* mixer control */ |
| 1153 | struct soc_mixer_control { |
| 1154 | int min, max, platform_max; |
| 1155 | int reg, rreg; |
| 1156 | unsigned int shift, rshift; |
| 1157 | unsigned int sign_bit; |
| 1158 | unsigned int invert:1; |
| 1159 | unsigned int autodisable:1; |
| 1160 | struct snd_soc_dobj dobj; |
| 1161 | }; |
| 1162 | |
| 1163 | struct soc_bytes { |
| 1164 | int base; |
| 1165 | int num_regs; |
| 1166 | u32 mask; |
| 1167 | }; |
| 1168 | |
| 1169 | struct soc_bytes_ext { |
| 1170 | int max; |
| 1171 | struct snd_soc_dobj dobj; |
| 1172 | |
| 1173 | /* used for TLV byte control */ |
| 1174 | int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, |
| 1175 | unsigned int size); |
| 1176 | int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, |
| 1177 | unsigned int size); |
| 1178 | }; |
| 1179 | |
| 1180 | /* multi register control */ |
| 1181 | struct soc_mreg_control { |
| 1182 | long min, max; |
| 1183 | unsigned int regbase, regcount, nbits, invert; |
| 1184 | }; |
| 1185 | |
| 1186 | /* enumerated kcontrol */ |
| 1187 | struct soc_enum { |
| 1188 | int reg; |
| 1189 | unsigned char shift_l; |
| 1190 | unsigned char shift_r; |
| 1191 | unsigned int items; |
| 1192 | unsigned int mask; |
| 1193 | const char * const *texts; |
| 1194 | const unsigned int *values; |
| 1195 | unsigned int autodisable:1; |
| 1196 | struct snd_soc_dobj dobj; |
| 1197 | }; |
| 1198 | |
| 1199 | /* device driver data */ |
| 1200 | |
| 1201 | static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, |
| 1202 | void *data) |
| 1203 | { |
| 1204 | card->drvdata = data; |
| 1205 | } |
| 1206 | |
| 1207 | static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) |
| 1208 | { |
| 1209 | return card->drvdata; |
| 1210 | } |
| 1211 | |
| 1212 | static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) |
| 1213 | { |
| 1214 | INIT_LIST_HEAD(&card->widgets); |
| 1215 | INIT_LIST_HEAD(&card->paths); |
| 1216 | INIT_LIST_HEAD(&card->dapm_list); |
| 1217 | INIT_LIST_HEAD(&card->aux_comp_list); |
| 1218 | INIT_LIST_HEAD(&card->component_dev_list); |
| 1219 | INIT_LIST_HEAD(&card->list); |
| 1220 | } |
| 1221 | |
| 1222 | static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) |
| 1223 | { |
| 1224 | if (mc->reg == mc->rreg && mc->shift == mc->rshift) |
| 1225 | return 0; |
| 1226 | /* |
| 1227 | * mc->reg == mc->rreg && mc->shift != mc->rshift, or |
| 1228 | * mc->reg != mc->rreg means that the control is |
| 1229 | * stereo (bits in one register or in two registers) |
| 1230 | */ |
| 1231 | return 1; |
| 1232 | } |
| 1233 | |
| 1234 | static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, |
| 1235 | unsigned int val) |
| 1236 | { |
| 1237 | unsigned int i; |
| 1238 | |
| 1239 | if (!e->values) |
| 1240 | return val; |
| 1241 | |
| 1242 | for (i = 0; i < e->items; i++) |
| 1243 | if (val == e->values[i]) |
| 1244 | return i; |
| 1245 | |
| 1246 | return 0; |
| 1247 | } |
| 1248 | |
| 1249 | static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, |
| 1250 | unsigned int item) |
| 1251 | { |
| 1252 | if (!e->values) |
| 1253 | return item; |
| 1254 | |
| 1255 | return e->values[item]; |
| 1256 | } |
| 1257 | |
| 1258 | /** |
| 1259 | * snd_soc_kcontrol_component() - Returns the component that registered the |
| 1260 | * control |
| 1261 | * @kcontrol: The control for which to get the component |
| 1262 | * |
| 1263 | * Note: This function will work correctly if the control has been registered |
| 1264 | * for a component. With snd_soc_add_codec_controls() or via table based |
| 1265 | * setup for either a CODEC or component driver. Otherwise the behavior is |
| 1266 | * undefined. |
| 1267 | */ |
| 1268 | static inline struct snd_soc_component *snd_soc_kcontrol_component( |
| 1269 | struct snd_kcontrol *kcontrol) |
| 1270 | { |
| 1271 | return snd_kcontrol_chip(kcontrol); |
| 1272 | } |
| 1273 | |
| 1274 | int snd_soc_util_init(void); |
| 1275 | void snd_soc_util_exit(void); |
| 1276 | |
| 1277 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, |
| 1278 | const char *propname); |
| 1279 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, |
| 1280 | const char *propname); |
| 1281 | int snd_soc_of_get_slot_mask(struct device_node *np, |
| 1282 | const char *prop_name, |
| 1283 | unsigned int *mask); |
| 1284 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
| 1285 | unsigned int *tx_mask, |
| 1286 | unsigned int *rx_mask, |
| 1287 | unsigned int *slots, |
| 1288 | unsigned int *slot_width); |
| 1289 | void snd_soc_of_parse_node_prefix(struct device_node *np, |
| 1290 | struct snd_soc_codec_conf *codec_conf, |
| 1291 | struct device_node *of_node, |
| 1292 | const char *propname); |
| 1293 | static inline |
| 1294 | void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, |
| 1295 | struct snd_soc_codec_conf *codec_conf, |
| 1296 | struct device_node *of_node, |
| 1297 | const char *propname) |
| 1298 | { |
| 1299 | snd_soc_of_parse_node_prefix(card->dev->of_node, |
| 1300 | codec_conf, of_node, propname); |
| 1301 | } |
| 1302 | |
| 1303 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
| 1304 | const char *propname); |
| 1305 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
| 1306 | const char *prefix, |
| 1307 | struct device_node **bitclkmaster, |
| 1308 | struct device_node **framemaster); |
| 1309 | int snd_soc_get_dai_id(struct device_node *ep); |
| 1310 | int snd_soc_get_dai_name(struct of_phandle_args *args, |
| 1311 | const char **dai_name); |
| 1312 | int snd_soc_of_get_dai_name(struct device_node *of_node, |
| 1313 | const char **dai_name); |
| 1314 | int snd_soc_of_get_dai_link_codecs(struct device *dev, |
| 1315 | struct device_node *of_node, |
| 1316 | struct snd_soc_dai_link *dai_link); |
| 1317 | void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); |
| 1318 | |
| 1319 | int snd_soc_add_dai_link(struct snd_soc_card *card, |
| 1320 | struct snd_soc_dai_link *dai_link); |
| 1321 | void snd_soc_remove_dai_link(struct snd_soc_card *card, |
| 1322 | struct snd_soc_dai_link *dai_link); |
| 1323 | struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card, |
| 1324 | int id, const char *name, |
| 1325 | const char *stream_name); |
| 1326 | |
| 1327 | int snd_soc_register_dai(struct snd_soc_component *component, |
| 1328 | struct snd_soc_dai_driver *dai_drv); |
| 1329 | |
| 1330 | struct snd_soc_dai *snd_soc_find_dai( |
| 1331 | const struct snd_soc_dai_link_component *dlc); |
| 1332 | |
| 1333 | #include <sound/soc-dai.h> |
| 1334 | |
| 1335 | static inline |
| 1336 | struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card, |
| 1337 | const char *dai_name) |
| 1338 | { |
| 1339 | struct snd_soc_pcm_runtime *rtd; |
| 1340 | |
| 1341 | list_for_each_entry(rtd, &card->rtd_list, list) { |
| 1342 | if (!strcmp(rtd->codec_dai->name, dai_name)) |
| 1343 | return rtd->codec_dai; |
| 1344 | } |
| 1345 | |
| 1346 | return NULL; |
| 1347 | } |
| 1348 | |
| 1349 | static inline |
| 1350 | int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, |
| 1351 | const char *platform_name) |
| 1352 | { |
| 1353 | struct snd_soc_dai_link *dai_link; |
| 1354 | const char *name; |
| 1355 | int i; |
| 1356 | |
| 1357 | if (!platform_name) /* nothing to do */ |
| 1358 | return 0; |
| 1359 | |
| 1360 | /* set platform name for each dailink */ |
| 1361 | for_each_card_prelinks(card, i, dai_link) { |
| 1362 | name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); |
| 1363 | if (!name) |
| 1364 | return -ENOMEM; |
| 1365 | |
| 1366 | if (!dai_link->platforms) |
| 1367 | return -EINVAL; |
| 1368 | |
| 1369 | /* only single platform is supported for now */ |
| 1370 | dai_link->platforms->name = name; |
| 1371 | } |
| 1372 | |
| 1373 | return 0; |
| 1374 | } |
| 1375 | |
| 1376 | #ifdef CONFIG_DEBUG_FS |
| 1377 | extern struct dentry *snd_soc_debugfs_root; |
| 1378 | #endif |
| 1379 | |
| 1380 | extern const struct dev_pm_ops snd_soc_pm_ops; |
| 1381 | |
| 1382 | /* Helper functions */ |
| 1383 | static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) |
| 1384 | { |
| 1385 | mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
| 1386 | } |
| 1387 | |
| 1388 | static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) |
| 1389 | { |
| 1390 | mutex_unlock(&dapm->card->dapm_mutex); |
| 1391 | } |
| 1392 | |
| 1393 | #include <sound/soc-component.h> |
| 1394 | |
| 1395 | #endif |