Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Advanced Linux Sound Architecture - ALSA - Driver |
| 3 | * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@suse.cz>, |
| 4 | * Abramo Bagnara <abramo@alsa-project.org> |
| 5 | * |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #ifndef __SOUND_ASOUND_H |
| 24 | #define __SOUND_ASOUND_H |
| 25 | |
| 26 | #if defined(LINUX) || defined(__LINUX__) || defined(__linux__) |
| 27 | |
| 28 | #include <linux/ioctl.h> |
| 29 | |
| 30 | #ifdef __KERNEL__ |
| 31 | |
| 32 | #include <linux/types.h> |
| 33 | #include <linux/time.h> |
| 34 | #include <asm/byteorder.h> |
| 35 | |
| 36 | #ifdef __LITTLE_ENDIAN |
| 37 | #define SNDRV_LITTLE_ENDIAN |
| 38 | #else |
| 39 | #ifdef __BIG_ENDIAN |
| 40 | #define SNDRV_BIG_ENDIAN |
| 41 | #else |
| 42 | #error "Unsupported endian..." |
| 43 | #endif |
| 44 | #endif |
| 45 | |
| 46 | #else /* !__KERNEL__ */ |
| 47 | |
| 48 | #include <endian.h> |
| 49 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
| 50 | #define SNDRV_LITTLE_ENDIAN |
| 51 | #elif __BYTE_ORDER == __BIG_ENDIAN |
| 52 | #define SNDRV_BIG_ENDIAN |
| 53 | #else |
| 54 | #error "Unsupported endian..." |
| 55 | #endif |
| 56 | |
| 57 | #endif /* __KERNEL **/ |
| 58 | |
| 59 | #endif /* LINUX */ |
| 60 | |
| 61 | #ifndef __KERNEL__ |
| 62 | #include <sys/time.h> |
| 63 | #include <sys/types.h> |
| 64 | #endif |
| 65 | |
| 66 | /* |
| 67 | * protocol version |
| 68 | */ |
| 69 | |
| 70 | #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) |
| 71 | #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) |
| 72 | #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) |
| 73 | #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) |
| 74 | #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ |
| 75 | (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ |
| 76 | (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ |
| 77 | SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) |
| 78 | |
| 79 | /**************************************************************************** |
| 80 | * * |
| 81 | * Digital audio interface * |
| 82 | * * |
| 83 | ****************************************************************************/ |
| 84 | |
| 85 | struct sndrv_aes_iec958 { |
| 86 | unsigned char status[24]; /* AES/IEC958 channel status bits */ |
| 87 | unsigned char subcode[147]; /* AES/IEC958 subcode bits */ |
| 88 | unsigned char pad; /* nothing */ |
| 89 | unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ |
| 90 | }; |
| 91 | |
| 92 | /**************************************************************************** |
| 93 | * * |
| 94 | * Section for driver hardware dependent interface - /dev/snd/hw? * |
| 95 | * * |
| 96 | ****************************************************************************/ |
| 97 | |
| 98 | #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) |
| 99 | |
| 100 | enum sndrv_hwdep_iface { |
| 101 | SNDRV_HWDEP_IFACE_OPL2 = 0, |
| 102 | SNDRV_HWDEP_IFACE_OPL3, |
| 103 | SNDRV_HWDEP_IFACE_OPL4, |
| 104 | SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ |
| 105 | SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ |
| 106 | SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ |
| 107 | SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ |
| 108 | SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ |
| 109 | SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ |
| 110 | SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ |
| 111 | SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ |
| 112 | SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ |
| 113 | SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ |
| 114 | SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ |
| 115 | SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ |
Clemens Ladisch | b259b10 | 2005-04-29 16:29:28 +0200 | [diff] [blame] | 116 | SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | |
| 118 | /* Don't forget to change the following: */ |
Clemens Ladisch | b259b10 | 2005-04-29 16:29:28 +0200 | [diff] [blame] | 119 | SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_SB_RC |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | }; |
| 121 | |
| 122 | struct sndrv_hwdep_info { |
| 123 | unsigned int device; /* WR: device number */ |
| 124 | int card; /* R: card number */ |
| 125 | unsigned char id[64]; /* ID (user selectable) */ |
| 126 | unsigned char name[80]; /* hwdep name */ |
| 127 | enum sndrv_hwdep_iface iface; /* hwdep interface */ |
| 128 | unsigned char reserved[64]; /* reserved for future */ |
| 129 | }; |
| 130 | |
| 131 | /* generic DSP loader */ |
| 132 | struct sndrv_hwdep_dsp_status { |
| 133 | unsigned int version; /* R: driver-specific version */ |
| 134 | unsigned char id[32]; /* R: driver-specific ID string */ |
| 135 | unsigned int num_dsps; /* R: number of DSP images to transfer */ |
| 136 | unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ |
| 137 | unsigned int chip_ready; /* R: 1 = initialization finished */ |
| 138 | unsigned char reserved[16]; /* reserved for future use */ |
| 139 | }; |
| 140 | |
| 141 | struct sndrv_hwdep_dsp_image { |
| 142 | unsigned int index; /* W: DSP index */ |
| 143 | unsigned char name[64]; /* W: ID (e.g. file name) */ |
| 144 | unsigned char __user *image; /* W: binary image */ |
| 145 | size_t length; /* W: size of image in bytes */ |
| 146 | unsigned long driver_data; /* W: driver-specific data */ |
| 147 | }; |
| 148 | |
| 149 | enum { |
| 150 | SNDRV_HWDEP_IOCTL_PVERSION = _IOR ('H', 0x00, int), |
| 151 | SNDRV_HWDEP_IOCTL_INFO = _IOR ('H', 0x01, struct sndrv_hwdep_info), |
| 152 | SNDRV_HWDEP_IOCTL_DSP_STATUS = _IOR('H', 0x02, struct sndrv_hwdep_dsp_status), |
| 153 | SNDRV_HWDEP_IOCTL_DSP_LOAD = _IOW('H', 0x03, struct sndrv_hwdep_dsp_image) |
| 154 | }; |
| 155 | |
| 156 | /***************************************************************************** |
| 157 | * * |
| 158 | * Digital Audio (PCM) interface - /dev/snd/pcm?? * |
| 159 | * * |
| 160 | *****************************************************************************/ |
| 161 | |
| 162 | #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) |
| 163 | |
| 164 | typedef unsigned long sndrv_pcm_uframes_t; |
| 165 | typedef long sndrv_pcm_sframes_t; |
| 166 | |
| 167 | enum sndrv_pcm_class { |
| 168 | SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ |
| 169 | SNDRV_PCM_CLASS_MULTI, /* multichannel device */ |
| 170 | SNDRV_PCM_CLASS_MODEM, /* software modem class */ |
| 171 | SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ |
| 172 | /* Don't forget to change the following: */ |
| 173 | SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, |
| 174 | }; |
| 175 | |
| 176 | enum sndrv_pcm_subclass { |
| 177 | SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ |
| 178 | SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ |
| 179 | /* Don't forget to change the following: */ |
| 180 | SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, |
| 181 | }; |
| 182 | |
| 183 | enum sndrv_pcm_stream { |
| 184 | SNDRV_PCM_STREAM_PLAYBACK = 0, |
| 185 | SNDRV_PCM_STREAM_CAPTURE, |
| 186 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, |
| 187 | }; |
| 188 | |
| 189 | enum sndrv_pcm_access { |
| 190 | SNDRV_PCM_ACCESS_MMAP_INTERLEAVED = 0, /* interleaved mmap */ |
| 191 | SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED, /* noninterleaved mmap */ |
| 192 | SNDRV_PCM_ACCESS_MMAP_COMPLEX, /* complex mmap */ |
| 193 | SNDRV_PCM_ACCESS_RW_INTERLEAVED, /* readi/writei */ |
| 194 | SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, /* readn/writen */ |
| 195 | SNDRV_PCM_ACCESS_LAST = SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, |
| 196 | }; |
| 197 | |
| 198 | enum sndrv_pcm_format { |
| 199 | SNDRV_PCM_FORMAT_S8 = 0, |
| 200 | SNDRV_PCM_FORMAT_U8, |
| 201 | SNDRV_PCM_FORMAT_S16_LE, |
| 202 | SNDRV_PCM_FORMAT_S16_BE, |
| 203 | SNDRV_PCM_FORMAT_U16_LE, |
| 204 | SNDRV_PCM_FORMAT_U16_BE, |
| 205 | SNDRV_PCM_FORMAT_S24_LE, /* low three bytes */ |
| 206 | SNDRV_PCM_FORMAT_S24_BE, /* low three bytes */ |
| 207 | SNDRV_PCM_FORMAT_U24_LE, /* low three bytes */ |
| 208 | SNDRV_PCM_FORMAT_U24_BE, /* low three bytes */ |
| 209 | SNDRV_PCM_FORMAT_S32_LE, |
| 210 | SNDRV_PCM_FORMAT_S32_BE, |
| 211 | SNDRV_PCM_FORMAT_U32_LE, |
| 212 | SNDRV_PCM_FORMAT_U32_BE, |
| 213 | SNDRV_PCM_FORMAT_FLOAT_LE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ |
| 214 | SNDRV_PCM_FORMAT_FLOAT_BE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ |
| 215 | SNDRV_PCM_FORMAT_FLOAT64_LE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ |
| 216 | SNDRV_PCM_FORMAT_FLOAT64_BE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ |
| 217 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, /* IEC-958 subframe, Little Endian */ |
| 218 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, /* IEC-958 subframe, Big Endian */ |
| 219 | SNDRV_PCM_FORMAT_MU_LAW, |
| 220 | SNDRV_PCM_FORMAT_A_LAW, |
| 221 | SNDRV_PCM_FORMAT_IMA_ADPCM, |
| 222 | SNDRV_PCM_FORMAT_MPEG, |
| 223 | SNDRV_PCM_FORMAT_GSM, |
| 224 | SNDRV_PCM_FORMAT_SPECIAL = 31, |
| 225 | SNDRV_PCM_FORMAT_S24_3LE = 32, /* in three bytes */ |
| 226 | SNDRV_PCM_FORMAT_S24_3BE, /* in three bytes */ |
| 227 | SNDRV_PCM_FORMAT_U24_3LE, /* in three bytes */ |
| 228 | SNDRV_PCM_FORMAT_U24_3BE, /* in three bytes */ |
| 229 | SNDRV_PCM_FORMAT_S20_3LE, /* in three bytes */ |
| 230 | SNDRV_PCM_FORMAT_S20_3BE, /* in three bytes */ |
| 231 | SNDRV_PCM_FORMAT_U20_3LE, /* in three bytes */ |
| 232 | SNDRV_PCM_FORMAT_U20_3BE, /* in three bytes */ |
| 233 | SNDRV_PCM_FORMAT_S18_3LE, /* in three bytes */ |
| 234 | SNDRV_PCM_FORMAT_S18_3BE, /* in three bytes */ |
| 235 | SNDRV_PCM_FORMAT_U18_3LE, /* in three bytes */ |
| 236 | SNDRV_PCM_FORMAT_U18_3BE, /* in three bytes */ |
| 237 | SNDRV_PCM_FORMAT_LAST = SNDRV_PCM_FORMAT_U18_3BE, |
| 238 | |
| 239 | #ifdef SNDRV_LITTLE_ENDIAN |
| 240 | SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_LE, |
| 241 | SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_LE, |
| 242 | SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_LE, |
| 243 | SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_LE, |
| 244 | SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_LE, |
| 245 | SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_LE, |
| 246 | SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_LE, |
| 247 | SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_LE, |
| 248 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, |
| 249 | #endif |
| 250 | #ifdef SNDRV_BIG_ENDIAN |
| 251 | SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_BE, |
| 252 | SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_BE, |
| 253 | SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_BE, |
| 254 | SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_BE, |
| 255 | SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_BE, |
| 256 | SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_BE, |
| 257 | SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_BE, |
| 258 | SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_BE, |
| 259 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, |
| 260 | #endif |
| 261 | }; |
| 262 | |
| 263 | enum sndrv_pcm_subformat { |
| 264 | SNDRV_PCM_SUBFORMAT_STD = 0, |
| 265 | SNDRV_PCM_SUBFORMAT_LAST = SNDRV_PCM_SUBFORMAT_STD, |
| 266 | }; |
| 267 | |
| 268 | #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ |
| 269 | #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ |
| 270 | #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ |
| 271 | #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ |
| 272 | #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ |
| 273 | #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ |
| 274 | #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ |
| 275 | #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ |
| 276 | #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ |
| 277 | #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ |
| 278 | #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ |
| 279 | #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ |
| 280 | #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ |
| 281 | #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ |
| 282 | |
| 283 | enum sndrv_pcm_state { |
| 284 | SNDRV_PCM_STATE_OPEN = 0, /* stream is open */ |
| 285 | SNDRV_PCM_STATE_SETUP, /* stream has a setup */ |
| 286 | SNDRV_PCM_STATE_PREPARED, /* stream is ready to start */ |
| 287 | SNDRV_PCM_STATE_RUNNING, /* stream is running */ |
| 288 | SNDRV_PCM_STATE_XRUN, /* stream reached an xrun */ |
| 289 | SNDRV_PCM_STATE_DRAINING, /* stream is draining */ |
| 290 | SNDRV_PCM_STATE_PAUSED, /* stream is paused */ |
| 291 | SNDRV_PCM_STATE_SUSPENDED, /* hardware is suspended */ |
| 292 | SNDRV_PCM_STATE_DISCONNECTED, /* hardware is disconnected */ |
| 293 | SNDRV_PCM_STATE_LAST = SNDRV_PCM_STATE_DISCONNECTED, |
| 294 | }; |
| 295 | |
| 296 | enum { |
| 297 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, |
| 298 | SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, |
| 299 | SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, |
| 300 | }; |
| 301 | |
| 302 | union sndrv_pcm_sync_id { |
| 303 | unsigned char id[16]; |
| 304 | unsigned short id16[8]; |
| 305 | unsigned int id32[4]; |
| 306 | }; |
| 307 | |
| 308 | struct sndrv_pcm_info { |
| 309 | unsigned int device; /* RO/WR (control): device number */ |
| 310 | unsigned int subdevice; /* RO/WR (control): subdevice number */ |
| 311 | enum sndrv_pcm_stream stream; /* RO/WR (control): stream number */ |
| 312 | int card; /* R: card number */ |
| 313 | unsigned char id[64]; /* ID (user selectable) */ |
| 314 | unsigned char name[80]; /* name of this device */ |
| 315 | unsigned char subname[32]; /* subdevice name */ |
| 316 | enum sndrv_pcm_class dev_class; /* SNDRV_PCM_CLASS_* */ |
| 317 | enum sndrv_pcm_subclass dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ |
| 318 | unsigned int subdevices_count; |
| 319 | unsigned int subdevices_avail; |
| 320 | union sndrv_pcm_sync_id sync; /* hardware synchronization ID */ |
| 321 | unsigned char reserved[64]; /* reserved for future... */ |
| 322 | }; |
| 323 | |
| 324 | enum sndrv_pcm_hw_param { |
| 325 | SNDRV_PCM_HW_PARAM_ACCESS = 0, /* Access type */ |
| 326 | SNDRV_PCM_HW_PARAM_FIRST_MASK = SNDRV_PCM_HW_PARAM_ACCESS, |
| 327 | SNDRV_PCM_HW_PARAM_FORMAT, /* Format */ |
| 328 | SNDRV_PCM_HW_PARAM_SUBFORMAT, /* Subformat */ |
| 329 | SNDRV_PCM_HW_PARAM_LAST_MASK = SNDRV_PCM_HW_PARAM_SUBFORMAT, |
| 330 | |
| 331 | SNDRV_PCM_HW_PARAM_SAMPLE_BITS = 8, /* Bits per sample */ |
| 332 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL = SNDRV_PCM_HW_PARAM_SAMPLE_BITS, |
| 333 | SNDRV_PCM_HW_PARAM_FRAME_BITS, /* Bits per frame */ |
| 334 | SNDRV_PCM_HW_PARAM_CHANNELS, /* Channels */ |
| 335 | SNDRV_PCM_HW_PARAM_RATE, /* Approx rate */ |
| 336 | SNDRV_PCM_HW_PARAM_PERIOD_TIME, /* Approx distance between interrupts |
| 337 | in us */ |
| 338 | SNDRV_PCM_HW_PARAM_PERIOD_SIZE, /* Approx frames between interrupts */ |
| 339 | SNDRV_PCM_HW_PARAM_PERIOD_BYTES, /* Approx bytes between interrupts */ |
| 340 | SNDRV_PCM_HW_PARAM_PERIODS, /* Approx interrupts per buffer */ |
| 341 | SNDRV_PCM_HW_PARAM_BUFFER_TIME, /* Approx duration of buffer in us */ |
| 342 | SNDRV_PCM_HW_PARAM_BUFFER_SIZE, /* Size of buffer in frames */ |
| 343 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, /* Size of buffer in bytes */ |
| 344 | SNDRV_PCM_HW_PARAM_TICK_TIME, /* Approx tick duration in us */ |
| 345 | SNDRV_PCM_HW_PARAM_LAST_INTERVAL = SNDRV_PCM_HW_PARAM_TICK_TIME |
| 346 | }; |
| 347 | |
Jaroslav Kysela | 267cdf4 | 2005-04-13 13:25:30 +0200 | [diff] [blame] | 348 | #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | |
| 350 | struct sndrv_interval { |
| 351 | unsigned int min, max; |
| 352 | unsigned int openmin:1, |
| 353 | openmax:1, |
| 354 | integer:1, |
| 355 | empty:1; |
| 356 | }; |
| 357 | |
| 358 | #define SNDRV_MASK_MAX 256 |
| 359 | |
| 360 | struct sndrv_mask { |
| 361 | u_int32_t bits[(SNDRV_MASK_MAX+31)/32]; |
| 362 | }; |
| 363 | |
| 364 | struct sndrv_pcm_hw_params { |
| 365 | unsigned int flags; |
| 366 | struct sndrv_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - |
| 367 | SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; |
| 368 | struct sndrv_mask mres[5]; /* reserved masks */ |
| 369 | struct sndrv_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - |
| 370 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; |
| 371 | struct sndrv_interval ires[9]; /* reserved intervals */ |
| 372 | unsigned int rmask; /* W: requested masks */ |
| 373 | unsigned int cmask; /* R: changed masks */ |
| 374 | unsigned int info; /* R: Info flags for returned setup */ |
| 375 | unsigned int msbits; /* R: used most significant bits */ |
| 376 | unsigned int rate_num; /* R: rate numerator */ |
| 377 | unsigned int rate_den; /* R: rate denominator */ |
| 378 | sndrv_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ |
| 379 | unsigned char reserved[64]; /* reserved for future */ |
| 380 | }; |
| 381 | |
| 382 | enum sndrv_pcm_tstamp { |
| 383 | SNDRV_PCM_TSTAMP_NONE = 0, |
| 384 | SNDRV_PCM_TSTAMP_MMAP, |
| 385 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_MMAP, |
| 386 | }; |
| 387 | |
| 388 | struct sndrv_pcm_sw_params { |
| 389 | enum sndrv_pcm_tstamp tstamp_mode; /* timestamp mode */ |
| 390 | unsigned int period_step; |
| 391 | unsigned int sleep_min; /* min ticks to sleep */ |
| 392 | sndrv_pcm_uframes_t avail_min; /* min avail frames for wakeup */ |
| 393 | sndrv_pcm_uframes_t xfer_align; /* xfer size need to be a multiple */ |
| 394 | sndrv_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ |
| 395 | sndrv_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ |
| 396 | sndrv_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ |
| 397 | sndrv_pcm_uframes_t silence_size; /* silence block size */ |
| 398 | sndrv_pcm_uframes_t boundary; /* pointers wrap point */ |
| 399 | unsigned char reserved[64]; /* reserved for future */ |
| 400 | }; |
| 401 | |
| 402 | struct sndrv_pcm_channel_info { |
| 403 | unsigned int channel; |
| 404 | off_t offset; /* mmap offset */ |
| 405 | unsigned int first; /* offset to first sample in bits */ |
| 406 | unsigned int step; /* samples distance in bits */ |
| 407 | }; |
| 408 | |
| 409 | struct sndrv_pcm_status { |
| 410 | enum sndrv_pcm_state state; /* stream state */ |
| 411 | struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ |
| 412 | struct timespec tstamp; /* reference timestamp */ |
| 413 | sndrv_pcm_uframes_t appl_ptr; /* appl ptr */ |
| 414 | sndrv_pcm_uframes_t hw_ptr; /* hw ptr */ |
| 415 | sndrv_pcm_sframes_t delay; /* current delay in frames */ |
| 416 | sndrv_pcm_uframes_t avail; /* number of frames available */ |
| 417 | sndrv_pcm_uframes_t avail_max; /* max frames available on hw since last status */ |
| 418 | sndrv_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ |
| 419 | enum sndrv_pcm_state suspended_state; /* suspended stream state */ |
| 420 | unsigned char reserved[60]; /* must be filled with zero */ |
| 421 | }; |
| 422 | |
| 423 | struct sndrv_pcm_mmap_status { |
| 424 | enum sndrv_pcm_state state; /* RO: state - SNDRV_PCM_STATE_XXXX */ |
| 425 | int pad1; /* Needed for 64 bit alignment */ |
| 426 | sndrv_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ |
| 427 | struct timespec tstamp; /* Timestamp */ |
| 428 | enum sndrv_pcm_state suspended_state; /* RO: suspended stream state */ |
| 429 | }; |
| 430 | |
| 431 | struct sndrv_pcm_mmap_control { |
| 432 | sndrv_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ |
| 433 | sndrv_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ |
| 434 | }; |
| 435 | |
| 436 | #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ |
| 437 | #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ |
| 438 | #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ |
| 439 | |
| 440 | struct sndrv_pcm_sync_ptr { |
| 441 | unsigned int flags; |
| 442 | union { |
| 443 | struct sndrv_pcm_mmap_status status; |
| 444 | unsigned char reserved[64]; |
| 445 | } s; |
| 446 | union { |
| 447 | struct sndrv_pcm_mmap_control control; |
| 448 | unsigned char reserved[64]; |
| 449 | } c; |
| 450 | }; |
| 451 | |
| 452 | struct sndrv_xferi { |
| 453 | sndrv_pcm_sframes_t result; |
| 454 | void __user *buf; |
| 455 | sndrv_pcm_uframes_t frames; |
| 456 | }; |
| 457 | |
| 458 | struct sndrv_xfern { |
| 459 | sndrv_pcm_sframes_t result; |
| 460 | void __user * __user *bufs; |
| 461 | sndrv_pcm_uframes_t frames; |
| 462 | }; |
| 463 | |
| 464 | enum { |
| 465 | SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int), |
| 466 | SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct sndrv_pcm_info), |
| 467 | SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int), |
| 468 | SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct sndrv_pcm_hw_params), |
| 469 | SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct sndrv_pcm_hw_params), |
| 470 | SNDRV_PCM_IOCTL_HW_FREE = _IO('A', 0x12), |
| 471 | SNDRV_PCM_IOCTL_SW_PARAMS = _IOWR('A', 0x13, struct sndrv_pcm_sw_params), |
| 472 | SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct sndrv_pcm_status), |
| 473 | SNDRV_PCM_IOCTL_DELAY = _IOR('A', 0x21, sndrv_pcm_sframes_t), |
| 474 | SNDRV_PCM_IOCTL_HWSYNC = _IO('A', 0x22), |
| 475 | SNDRV_PCM_IOCTL_SYNC_PTR = _IOWR('A', 0x23, struct sndrv_pcm_sync_ptr), |
| 476 | SNDRV_PCM_IOCTL_CHANNEL_INFO = _IOR('A', 0x32, struct sndrv_pcm_channel_info), |
| 477 | SNDRV_PCM_IOCTL_PREPARE = _IO('A', 0x40), |
| 478 | SNDRV_PCM_IOCTL_RESET = _IO('A', 0x41), |
| 479 | SNDRV_PCM_IOCTL_START = _IO('A', 0x42), |
| 480 | SNDRV_PCM_IOCTL_DROP = _IO('A', 0x43), |
| 481 | SNDRV_PCM_IOCTL_DRAIN = _IO('A', 0x44), |
| 482 | SNDRV_PCM_IOCTL_PAUSE = _IOW('A', 0x45, int), |
| 483 | SNDRV_PCM_IOCTL_REWIND = _IOW('A', 0x46, sndrv_pcm_uframes_t), |
| 484 | SNDRV_PCM_IOCTL_RESUME = _IO('A', 0x47), |
| 485 | SNDRV_PCM_IOCTL_XRUN = _IO('A', 0x48), |
| 486 | SNDRV_PCM_IOCTL_FORWARD = _IOW('A', 0x49, sndrv_pcm_uframes_t), |
| 487 | SNDRV_PCM_IOCTL_WRITEI_FRAMES = _IOW('A', 0x50, struct sndrv_xferi), |
| 488 | SNDRV_PCM_IOCTL_READI_FRAMES = _IOR('A', 0x51, struct sndrv_xferi), |
| 489 | SNDRV_PCM_IOCTL_WRITEN_FRAMES = _IOW('A', 0x52, struct sndrv_xfern), |
| 490 | SNDRV_PCM_IOCTL_READN_FRAMES = _IOR('A', 0x53, struct sndrv_xfern), |
| 491 | SNDRV_PCM_IOCTL_LINK = _IOW('A', 0x60, int), |
| 492 | SNDRV_PCM_IOCTL_UNLINK = _IO('A', 0x61), |
| 493 | }; |
| 494 | |
| 495 | /* Trick to make alsa-lib/acinclude.m4 happy */ |
| 496 | #define SNDRV_PCM_IOCTL_REWIND SNDRV_PCM_IOCTL_REWIND |
| 497 | |
| 498 | /***************************************************************************** |
| 499 | * * |
| 500 | * MIDI v1.0 interface * |
| 501 | * * |
| 502 | *****************************************************************************/ |
| 503 | |
| 504 | /* |
| 505 | * Raw MIDI section - /dev/snd/midi?? |
| 506 | */ |
| 507 | |
| 508 | #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) |
| 509 | |
| 510 | enum sndrv_rawmidi_stream { |
| 511 | SNDRV_RAWMIDI_STREAM_OUTPUT = 0, |
| 512 | SNDRV_RAWMIDI_STREAM_INPUT, |
| 513 | SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, |
| 514 | }; |
| 515 | |
| 516 | #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 |
| 517 | #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 |
| 518 | #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 |
| 519 | |
| 520 | struct sndrv_rawmidi_info { |
| 521 | unsigned int device; /* RO/WR (control): device number */ |
| 522 | unsigned int subdevice; /* RO/WR (control): subdevice number */ |
| 523 | enum sndrv_rawmidi_stream stream; /* WR: stream */ |
| 524 | int card; /* R: card number */ |
| 525 | unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ |
| 526 | unsigned char id[64]; /* ID (user selectable) */ |
| 527 | unsigned char name[80]; /* name of device */ |
| 528 | unsigned char subname[32]; /* name of active or selected subdevice */ |
| 529 | unsigned int subdevices_count; |
| 530 | unsigned int subdevices_avail; |
| 531 | unsigned char reserved[64]; /* reserved for future use */ |
| 532 | }; |
| 533 | |
| 534 | struct sndrv_rawmidi_params { |
| 535 | enum sndrv_rawmidi_stream stream; |
| 536 | size_t buffer_size; /* queue size in bytes */ |
| 537 | size_t avail_min; /* minimum avail bytes for wakeup */ |
| 538 | unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ |
| 539 | unsigned char reserved[16]; /* reserved for future use */ |
| 540 | }; |
| 541 | |
| 542 | struct sndrv_rawmidi_status { |
| 543 | enum sndrv_rawmidi_stream stream; |
| 544 | struct timespec tstamp; /* Timestamp */ |
| 545 | size_t avail; /* available bytes */ |
| 546 | size_t xruns; /* count of overruns since last status (in bytes) */ |
| 547 | unsigned char reserved[16]; /* reserved for future use */ |
| 548 | }; |
| 549 | |
| 550 | enum { |
| 551 | SNDRV_RAWMIDI_IOCTL_PVERSION = _IOR('W', 0x00, int), |
| 552 | SNDRV_RAWMIDI_IOCTL_INFO = _IOR('W', 0x01, struct sndrv_rawmidi_info), |
| 553 | SNDRV_RAWMIDI_IOCTL_PARAMS = _IOWR('W', 0x10, struct sndrv_rawmidi_params), |
| 554 | SNDRV_RAWMIDI_IOCTL_STATUS = _IOWR('W', 0x20, struct sndrv_rawmidi_status), |
| 555 | SNDRV_RAWMIDI_IOCTL_DROP = _IOW('W', 0x30, int), |
| 556 | SNDRV_RAWMIDI_IOCTL_DRAIN = _IOW('W', 0x31, int), |
| 557 | }; |
| 558 | |
| 559 | /* |
| 560 | * Timer section - /dev/snd/timer |
| 561 | */ |
| 562 | |
Takashi Iwai | 8c50b37 | 2005-05-15 15:43:54 +0200 | [diff] [blame^] | 563 | #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | |
| 565 | enum sndrv_timer_class { |
| 566 | SNDRV_TIMER_CLASS_NONE = -1, |
| 567 | SNDRV_TIMER_CLASS_SLAVE = 0, |
| 568 | SNDRV_TIMER_CLASS_GLOBAL, |
| 569 | SNDRV_TIMER_CLASS_CARD, |
| 570 | SNDRV_TIMER_CLASS_PCM, |
| 571 | SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, |
| 572 | }; |
| 573 | |
| 574 | /* slave timer classes */ |
| 575 | enum sndrv_timer_slave_class { |
| 576 | SNDRV_TIMER_SCLASS_NONE = 0, |
| 577 | SNDRV_TIMER_SCLASS_APPLICATION, |
| 578 | SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ |
| 579 | SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ |
| 580 | SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, |
| 581 | }; |
| 582 | |
| 583 | /* global timers (device member) */ |
| 584 | #define SNDRV_TIMER_GLOBAL_SYSTEM 0 |
| 585 | #define SNDRV_TIMER_GLOBAL_RTC 1 |
| 586 | #define SNDRV_TIMER_GLOBAL_HPET 2 |
| 587 | |
| 588 | /* info flags */ |
| 589 | #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ |
| 590 | |
| 591 | struct sndrv_timer_id { |
| 592 | enum sndrv_timer_class dev_class; |
| 593 | enum sndrv_timer_slave_class dev_sclass; |
| 594 | int card; |
| 595 | int device; |
| 596 | int subdevice; |
| 597 | }; |
| 598 | |
| 599 | struct sndrv_timer_ginfo { |
| 600 | struct sndrv_timer_id tid; /* requested timer ID */ |
| 601 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
| 602 | int card; /* card number */ |
| 603 | unsigned char id[64]; /* timer identification */ |
| 604 | unsigned char name[80]; /* timer name */ |
| 605 | unsigned long reserved0; /* reserved for future use */ |
| 606 | unsigned long resolution; /* average period resolution in ns */ |
| 607 | unsigned long resolution_min; /* minimal period resolution in ns */ |
| 608 | unsigned long resolution_max; /* maximal period resolution in ns */ |
| 609 | unsigned int clients; /* active timer clients */ |
| 610 | unsigned char reserved[32]; |
| 611 | }; |
| 612 | |
| 613 | struct sndrv_timer_gparams { |
| 614 | struct sndrv_timer_id tid; /* requested timer ID */ |
| 615 | unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ |
| 616 | unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ |
| 617 | unsigned char reserved[32]; |
| 618 | }; |
| 619 | |
| 620 | struct sndrv_timer_gstatus { |
| 621 | struct sndrv_timer_id tid; /* requested timer ID */ |
| 622 | unsigned long resolution; /* current period resolution in ns */ |
| 623 | unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ |
| 624 | unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ |
| 625 | unsigned char reserved[32]; |
| 626 | }; |
| 627 | |
| 628 | struct sndrv_timer_select { |
| 629 | struct sndrv_timer_id id; /* bind to timer ID */ |
| 630 | unsigned char reserved[32]; /* reserved */ |
| 631 | }; |
| 632 | |
| 633 | struct sndrv_timer_info { |
| 634 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
| 635 | int card; /* card number */ |
| 636 | unsigned char id[64]; /* timer identificator */ |
| 637 | unsigned char name[80]; /* timer name */ |
| 638 | unsigned long reserved0; /* reserved for future use */ |
| 639 | unsigned long resolution; /* average period resolution in ns */ |
| 640 | unsigned char reserved[64]; /* reserved */ |
| 641 | }; |
| 642 | |
| 643 | #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ |
| 644 | #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ |
| 645 | #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ |
| 646 | |
| 647 | struct sndrv_timer_params { |
| 648 | unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ |
| 649 | unsigned int ticks; /* requested resolution in ticks */ |
| 650 | unsigned int queue_size; /* total size of queue (32-1024) */ |
| 651 | unsigned int reserved0; /* reserved, was: failure locations */ |
| 652 | unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ |
| 653 | unsigned char reserved[60]; /* reserved */ |
| 654 | }; |
| 655 | |
| 656 | struct sndrv_timer_status { |
| 657 | struct timespec tstamp; /* Timestamp - last update */ |
| 658 | unsigned int resolution; /* current period resolution in ns */ |
| 659 | unsigned int lost; /* counter of master tick lost */ |
| 660 | unsigned int overrun; /* count of read queue overruns */ |
| 661 | unsigned int queue; /* used queue size */ |
| 662 | unsigned char reserved[64]; /* reserved */ |
| 663 | }; |
| 664 | |
| 665 | enum { |
| 666 | SNDRV_TIMER_IOCTL_PVERSION = _IOR('T', 0x00, int), |
| 667 | SNDRV_TIMER_IOCTL_NEXT_DEVICE = _IOWR('T', 0x01, struct sndrv_timer_id), |
| 668 | SNDRV_TIMER_IOCTL_TREAD = _IOW('T', 0x02, int), |
| 669 | SNDRV_TIMER_IOCTL_GINFO = _IOWR('T', 0x03, struct sndrv_timer_ginfo), |
| 670 | SNDRV_TIMER_IOCTL_GPARAMS = _IOW('T', 0x04, struct sndrv_timer_gparams), |
| 671 | SNDRV_TIMER_IOCTL_GSTATUS = _IOWR('T', 0x05, struct sndrv_timer_gstatus), |
| 672 | SNDRV_TIMER_IOCTL_SELECT = _IOW('T', 0x10, struct sndrv_timer_select), |
| 673 | SNDRV_TIMER_IOCTL_INFO = _IOR('T', 0x11, struct sndrv_timer_info), |
| 674 | SNDRV_TIMER_IOCTL_PARAMS = _IOW('T', 0x12, struct sndrv_timer_params), |
| 675 | SNDRV_TIMER_IOCTL_STATUS = _IOR('T', 0x14, struct sndrv_timer_status), |
Takashi Iwai | 8c50b37 | 2005-05-15 15:43:54 +0200 | [diff] [blame^] | 676 | /* The following four ioctls are changed since 1.0.9 due to confliction */ |
| 677 | SNDRV_TIMER_IOCTL_START = _IO('T', 0xa0), |
| 678 | SNDRV_TIMER_IOCTL_STOP = _IO('T', 0xa1), |
| 679 | SNDRV_TIMER_IOCTL_CONTINUE = _IO('T', 0xa2), |
| 680 | SNDRV_TIMER_IOCTL_PAUSE = _IO('T', 0xa3), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | }; |
| 682 | |
| 683 | struct sndrv_timer_read { |
| 684 | unsigned int resolution; |
| 685 | unsigned int ticks; |
| 686 | }; |
| 687 | |
| 688 | enum sndrv_timer_event { |
| 689 | SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ |
| 690 | SNDRV_TIMER_EVENT_TICK, /* val = ticks */ |
| 691 | SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ |
| 692 | SNDRV_TIMER_EVENT_STOP, /* val = 0 */ |
| 693 | SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ |
| 694 | SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ |
| 695 | SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ |
| 696 | /* master timer events for slave timer instances */ |
| 697 | SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, |
| 698 | SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, |
| 699 | SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, |
| 700 | SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, |
| 701 | }; |
| 702 | |
| 703 | struct sndrv_timer_tread { |
| 704 | enum sndrv_timer_event event; |
| 705 | struct timespec tstamp; |
| 706 | unsigned int val; |
| 707 | }; |
| 708 | |
| 709 | /**************************************************************************** |
| 710 | * * |
| 711 | * Section for driver control interface - /dev/snd/control? * |
| 712 | * * |
| 713 | ****************************************************************************/ |
| 714 | |
| 715 | #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 3) |
| 716 | |
| 717 | struct sndrv_ctl_card_info { |
| 718 | int card; /* card number */ |
| 719 | int pad; /* reserved for future (was type) */ |
| 720 | unsigned char id[16]; /* ID of card (user selectable) */ |
| 721 | unsigned char driver[16]; /* Driver name */ |
| 722 | unsigned char name[32]; /* Short name of soundcard */ |
| 723 | unsigned char longname[80]; /* name + info text about soundcard */ |
| 724 | unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ |
| 725 | unsigned char mixername[80]; /* visual mixer identification */ |
| 726 | unsigned char components[80]; /* card components / fine identification, delimited with one space (AC97 etc..) */ |
| 727 | unsigned char reserved[48]; /* reserved for future */ |
| 728 | }; |
| 729 | |
| 730 | enum sndrv_ctl_elem_type { |
| 731 | SNDRV_CTL_ELEM_TYPE_NONE = 0, /* invalid */ |
| 732 | SNDRV_CTL_ELEM_TYPE_BOOLEAN, /* boolean type */ |
| 733 | SNDRV_CTL_ELEM_TYPE_INTEGER, /* integer type */ |
| 734 | SNDRV_CTL_ELEM_TYPE_ENUMERATED, /* enumerated type */ |
| 735 | SNDRV_CTL_ELEM_TYPE_BYTES, /* byte array */ |
| 736 | SNDRV_CTL_ELEM_TYPE_IEC958, /* IEC958 (S/PDIF) setup */ |
| 737 | SNDRV_CTL_ELEM_TYPE_INTEGER64, /* 64-bit integer type */ |
| 738 | SNDRV_CTL_ELEM_TYPE_LAST = SNDRV_CTL_ELEM_TYPE_INTEGER64, |
| 739 | }; |
| 740 | |
| 741 | enum sndrv_ctl_elem_iface { |
| 742 | SNDRV_CTL_ELEM_IFACE_CARD = 0, /* global control */ |
| 743 | SNDRV_CTL_ELEM_IFACE_HWDEP, /* hardware dependent device */ |
| 744 | SNDRV_CTL_ELEM_IFACE_MIXER, /* virtual mixer device */ |
| 745 | SNDRV_CTL_ELEM_IFACE_PCM, /* PCM device */ |
| 746 | SNDRV_CTL_ELEM_IFACE_RAWMIDI, /* RawMidi device */ |
| 747 | SNDRV_CTL_ELEM_IFACE_TIMER, /* timer device */ |
| 748 | SNDRV_CTL_ELEM_IFACE_SEQUENCER, /* sequencer client */ |
| 749 | SNDRV_CTL_ELEM_IFACE_LAST = SNDRV_CTL_ELEM_IFACE_SEQUENCER, |
| 750 | }; |
| 751 | |
| 752 | #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) |
| 753 | #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) |
| 754 | #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) |
| 755 | #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ |
| 756 | #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<2) /* when was control changed */ |
| 757 | #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ |
| 758 | #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ |
| 759 | #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ |
| 760 | #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ |
| 761 | #define SNDRV_CTL_ELEM_ACCESS_DINDIRECT (1<<30) /* indirect access for matrix dimensions in the info structure */ |
| 762 | #define SNDRV_CTL_ELEM_ACCESS_INDIRECT (1<<31) /* indirect access for element value in the value structure */ |
| 763 | |
| 764 | /* for further details see the ACPI and PCI power management specification */ |
| 765 | #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ |
| 766 | #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ |
| 767 | #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ |
| 768 | #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ |
| 769 | #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ |
| 770 | #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ |
| 771 | |
| 772 | struct sndrv_ctl_elem_id { |
| 773 | unsigned int numid; /* numeric identifier, zero = invalid */ |
| 774 | enum sndrv_ctl_elem_iface iface; /* interface identifier */ |
| 775 | unsigned int device; /* device/client number */ |
| 776 | unsigned int subdevice; /* subdevice (substream) number */ |
| 777 | unsigned char name[44]; /* ASCII name of item */ |
| 778 | unsigned int index; /* index of item */ |
| 779 | }; |
| 780 | |
| 781 | struct sndrv_ctl_elem_list { |
| 782 | unsigned int offset; /* W: first element ID to get */ |
| 783 | unsigned int space; /* W: count of element IDs to get */ |
| 784 | unsigned int used; /* R: count of element IDs set */ |
| 785 | unsigned int count; /* R: count of all elements */ |
| 786 | struct sndrv_ctl_elem_id __user *pids; /* R: IDs */ |
| 787 | unsigned char reserved[50]; |
| 788 | }; |
| 789 | |
| 790 | struct sndrv_ctl_elem_info { |
| 791 | struct sndrv_ctl_elem_id id; /* W: element ID */ |
| 792 | enum sndrv_ctl_elem_type type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ |
| 793 | unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ |
| 794 | unsigned int count; /* count of values */ |
| 795 | pid_t owner; /* owner's PID of this control */ |
| 796 | union { |
| 797 | struct { |
| 798 | long min; /* R: minimum value */ |
| 799 | long max; /* R: maximum value */ |
| 800 | long step; /* R: step (0 variable) */ |
| 801 | } integer; |
| 802 | struct { |
| 803 | long long min; /* R: minimum value */ |
| 804 | long long max; /* R: maximum value */ |
| 805 | long long step; /* R: step (0 variable) */ |
| 806 | } integer64; |
| 807 | struct { |
| 808 | unsigned int items; /* R: number of items */ |
| 809 | unsigned int item; /* W: item number */ |
| 810 | char name[64]; /* R: value name */ |
| 811 | } enumerated; |
| 812 | unsigned char reserved[128]; |
| 813 | } value; |
| 814 | union { |
| 815 | unsigned short d[4]; /* dimensions */ |
| 816 | unsigned short *d_ptr; /* indirect */ |
| 817 | } dimen; |
| 818 | unsigned char reserved[64-4*sizeof(unsigned short)]; |
| 819 | }; |
| 820 | |
| 821 | struct sndrv_ctl_elem_value { |
| 822 | struct sndrv_ctl_elem_id id; /* W: element ID */ |
| 823 | unsigned int indirect: 1; /* W: use indirect pointer (xxx_ptr member) */ |
| 824 | union { |
| 825 | union { |
| 826 | long value[128]; |
| 827 | long *value_ptr; |
| 828 | } integer; |
| 829 | union { |
| 830 | long long value[64]; |
| 831 | long long *value_ptr; |
| 832 | } integer64; |
| 833 | union { |
| 834 | unsigned int item[128]; |
| 835 | unsigned int *item_ptr; |
| 836 | } enumerated; |
| 837 | union { |
| 838 | unsigned char data[512]; |
| 839 | unsigned char *data_ptr; |
| 840 | } bytes; |
| 841 | struct sndrv_aes_iec958 iec958; |
| 842 | } value; /* RO */ |
| 843 | struct timespec tstamp; |
| 844 | unsigned char reserved[128-sizeof(struct timespec)]; |
| 845 | }; |
| 846 | |
| 847 | enum { |
| 848 | SNDRV_CTL_IOCTL_PVERSION = _IOR('U', 0x00, int), |
| 849 | SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct sndrv_ctl_card_info), |
| 850 | SNDRV_CTL_IOCTL_ELEM_LIST = _IOWR('U', 0x10, struct sndrv_ctl_elem_list), |
| 851 | SNDRV_CTL_IOCTL_ELEM_INFO = _IOWR('U', 0x11, struct sndrv_ctl_elem_info), |
| 852 | SNDRV_CTL_IOCTL_ELEM_READ = _IOWR('U', 0x12, struct sndrv_ctl_elem_value), |
| 853 | SNDRV_CTL_IOCTL_ELEM_WRITE = _IOWR('U', 0x13, struct sndrv_ctl_elem_value), |
| 854 | SNDRV_CTL_IOCTL_ELEM_LOCK = _IOW('U', 0x14, struct sndrv_ctl_elem_id), |
| 855 | SNDRV_CTL_IOCTL_ELEM_UNLOCK = _IOW('U', 0x15, struct sndrv_ctl_elem_id), |
| 856 | SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS = _IOWR('U', 0x16, int), |
| 857 | SNDRV_CTL_IOCTL_ELEM_ADD = _IOWR('U', 0x17, struct sndrv_ctl_elem_info), |
| 858 | SNDRV_CTL_IOCTL_ELEM_REPLACE = _IOWR('U', 0x18, struct sndrv_ctl_elem_info), |
| 859 | SNDRV_CTL_IOCTL_ELEM_REMOVE = _IOWR('U', 0x19, struct sndrv_ctl_elem_id), |
| 860 | SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE = _IOWR('U', 0x20, int), |
| 861 | SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct sndrv_hwdep_info), |
| 862 | SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE = _IOR('U', 0x30, int), |
| 863 | SNDRV_CTL_IOCTL_PCM_INFO = _IOWR('U', 0x31, struct sndrv_pcm_info), |
| 864 | SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE = _IOW('U', 0x32, int), |
| 865 | SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE = _IOWR('U', 0x40, int), |
| 866 | SNDRV_CTL_IOCTL_RAWMIDI_INFO = _IOWR('U', 0x41, struct sndrv_rawmidi_info), |
| 867 | SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE = _IOW('U', 0x42, int), |
| 868 | SNDRV_CTL_IOCTL_POWER = _IOWR('U', 0xd0, int), |
| 869 | SNDRV_CTL_IOCTL_POWER_STATE = _IOR('U', 0xd1, int), |
| 870 | }; |
| 871 | |
| 872 | /* |
| 873 | * Read interface. |
| 874 | */ |
| 875 | |
| 876 | enum sndrv_ctl_event_type { |
| 877 | SNDRV_CTL_EVENT_ELEM = 0, |
| 878 | SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, |
| 879 | }; |
| 880 | |
| 881 | #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ |
| 882 | #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ |
| 883 | #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ |
| 884 | #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ |
| 885 | |
| 886 | struct sndrv_ctl_event { |
| 887 | enum sndrv_ctl_event_type type; /* event type - SNDRV_CTL_EVENT_* */ |
| 888 | union { |
| 889 | struct { |
| 890 | unsigned int mask; |
| 891 | struct sndrv_ctl_elem_id id; |
| 892 | } elem; |
| 893 | unsigned char data8[60]; |
| 894 | } data; |
| 895 | }; |
| 896 | |
| 897 | /* |
| 898 | * Control names |
| 899 | */ |
| 900 | |
| 901 | #define SNDRV_CTL_NAME_NONE "" |
| 902 | #define SNDRV_CTL_NAME_PLAYBACK "Playback " |
| 903 | #define SNDRV_CTL_NAME_CAPTURE "Capture " |
| 904 | |
| 905 | #define SNDRV_CTL_NAME_IEC958_NONE "" |
| 906 | #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" |
| 907 | #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" |
| 908 | #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" |
| 909 | #define SNDRV_CTL_NAME_IEC958_MASK "Mask" |
| 910 | #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" |
| 911 | #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" |
| 912 | #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" |
| 913 | #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what |
| 914 | |
| 915 | /* |
| 916 | * |
| 917 | */ |
| 918 | |
| 919 | struct sndrv_xferv { |
| 920 | const struct iovec *vector; |
| 921 | unsigned long count; |
| 922 | }; |
| 923 | |
| 924 | enum { |
| 925 | SNDRV_IOCTL_READV = _IOW('K', 0x00, struct sndrv_xferv), |
| 926 | SNDRV_IOCTL_WRITEV = _IOW('K', 0x01, struct sndrv_xferv), |
| 927 | }; |
| 928 | |
| 929 | #endif /* __SOUND_ASOUND_H */ |