| 1 | /* |
| 2 | * Advanced Linux Sound Architecture - ALSA - Driver |
| 3 | * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.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 | #include <linux/types.h> |
| 27 | |
| 28 | #ifdef __KERNEL__ |
| 29 | #include <linux/ioctl.h> |
| 30 | #include <linux/time.h> |
| 31 | #include <asm/byteorder.h> |
| 32 | |
| 33 | #ifdef __LITTLE_ENDIAN |
| 34 | #define SNDRV_LITTLE_ENDIAN |
| 35 | #else |
| 36 | #ifdef __BIG_ENDIAN |
| 37 | #define SNDRV_BIG_ENDIAN |
| 38 | #else |
| 39 | #error "Unsupported endian..." |
| 40 | #endif |
| 41 | #endif |
| 42 | |
| 43 | #endif /* __KERNEL__ **/ |
| 44 | |
| 45 | /* |
| 46 | * protocol version |
| 47 | */ |
| 48 | |
| 49 | #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) |
| 50 | #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) |
| 51 | #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) |
| 52 | #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) |
| 53 | #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ |
| 54 | (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ |
| 55 | (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ |
| 56 | SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) |
| 57 | |
| 58 | /**************************************************************************** |
| 59 | * * |
| 60 | * Digital audio interface * |
| 61 | * * |
| 62 | ****************************************************************************/ |
| 63 | |
| 64 | struct snd_aes_iec958 { |
| 65 | unsigned char status[24]; /* AES/IEC958 channel status bits */ |
| 66 | unsigned char subcode[147]; /* AES/IEC958 subcode bits */ |
| 67 | unsigned char pad; /* nothing */ |
| 68 | unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ |
| 69 | }; |
| 70 | |
| 71 | /**************************************************************************** |
| 72 | * * |
| 73 | * Section for driver hardware dependent interface - /dev/snd/hw? * |
| 74 | * * |
| 75 | ****************************************************************************/ |
| 76 | |
| 77 | #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) |
| 78 | |
| 79 | enum { |
| 80 | SNDRV_HWDEP_IFACE_OPL2 = 0, |
| 81 | SNDRV_HWDEP_IFACE_OPL3, |
| 82 | SNDRV_HWDEP_IFACE_OPL4, |
| 83 | SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ |
| 84 | SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ |
| 85 | SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ |
| 86 | SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ |
| 87 | SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ |
| 88 | SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ |
| 89 | SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ |
| 90 | SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ |
| 91 | SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ |
| 92 | SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ |
| 93 | SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ |
| 94 | SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ |
| 95 | SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ |
| 96 | SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ |
| 97 | SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ |
| 98 | |
| 99 | /* Don't forget to change the following: */ |
| 100 | SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_USB_STREAM |
| 101 | }; |
| 102 | |
| 103 | struct snd_hwdep_info { |
| 104 | unsigned int device; /* WR: device number */ |
| 105 | int card; /* R: card number */ |
| 106 | unsigned char id[64]; /* ID (user selectable) */ |
| 107 | unsigned char name[80]; /* hwdep name */ |
| 108 | int iface; /* hwdep interface */ |
| 109 | unsigned char reserved[64]; /* reserved for future */ |
| 110 | }; |
| 111 | |
| 112 | /* generic DSP loader */ |
| 113 | struct snd_hwdep_dsp_status { |
| 114 | unsigned int version; /* R: driver-specific version */ |
| 115 | unsigned char id[32]; /* R: driver-specific ID string */ |
| 116 | unsigned int num_dsps; /* R: number of DSP images to transfer */ |
| 117 | unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ |
| 118 | unsigned int chip_ready; /* R: 1 = initialization finished */ |
| 119 | unsigned char reserved[16]; /* reserved for future use */ |
| 120 | }; |
| 121 | |
| 122 | struct snd_hwdep_dsp_image { |
| 123 | unsigned int index; /* W: DSP index */ |
| 124 | unsigned char name[64]; /* W: ID (e.g. file name) */ |
| 125 | unsigned char __user *image; /* W: binary image */ |
| 126 | size_t length; /* W: size of image in bytes */ |
| 127 | unsigned long driver_data; /* W: driver-specific data */ |
| 128 | }; |
| 129 | |
| 130 | #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) |
| 131 | #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) |
| 132 | #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) |
| 133 | #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) |
| 134 | |
| 135 | /***************************************************************************** |
| 136 | * * |
| 137 | * Digital Audio (PCM) interface - /dev/snd/pcm?? * |
| 138 | * * |
| 139 | *****************************************************************************/ |
| 140 | |
| 141 | #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 9) |
| 142 | |
| 143 | typedef unsigned long snd_pcm_uframes_t; |
| 144 | typedef signed long snd_pcm_sframes_t; |
| 145 | |
| 146 | enum { |
| 147 | SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ |
| 148 | SNDRV_PCM_CLASS_MULTI, /* multichannel device */ |
| 149 | SNDRV_PCM_CLASS_MODEM, /* software modem class */ |
| 150 | SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ |
| 151 | /* Don't forget to change the following: */ |
| 152 | SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, |
| 153 | }; |
| 154 | |
| 155 | enum { |
| 156 | SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ |
| 157 | SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ |
| 158 | /* Don't forget to change the following: */ |
| 159 | SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, |
| 160 | }; |
| 161 | |
| 162 | enum { |
| 163 | SNDRV_PCM_STREAM_PLAYBACK = 0, |
| 164 | SNDRV_PCM_STREAM_CAPTURE, |
| 165 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, |
| 166 | }; |
| 167 | |
| 168 | typedef int __bitwise snd_pcm_access_t; |
| 169 | #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ |
| 170 | #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ |
| 171 | #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ |
| 172 | #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ |
| 173 | #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ |
| 174 | #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED |
| 175 | |
| 176 | typedef int __bitwise snd_pcm_format_t; |
| 177 | #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) |
| 178 | #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) |
| 179 | #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) |
| 180 | #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) |
| 181 | #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) |
| 182 | #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) |
| 183 | #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ |
| 184 | #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ |
| 185 | #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ |
| 186 | #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ |
| 187 | #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) |
| 188 | #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) |
| 189 | #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) |
| 190 | #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) |
| 191 | #define SNDRV_PCM_FORMAT_FLOAT_LE ((__force snd_pcm_format_t) 14) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ |
| 192 | #define SNDRV_PCM_FORMAT_FLOAT_BE ((__force snd_pcm_format_t) 15) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ |
| 193 | #define SNDRV_PCM_FORMAT_FLOAT64_LE ((__force snd_pcm_format_t) 16) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ |
| 194 | #define SNDRV_PCM_FORMAT_FLOAT64_BE ((__force snd_pcm_format_t) 17) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ |
| 195 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ |
| 196 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ |
| 197 | #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) |
| 198 | #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) |
| 199 | #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) |
| 200 | #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) |
| 201 | #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) |
| 202 | #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) |
| 203 | #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ |
| 204 | #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ |
| 205 | #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ |
| 206 | #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ |
| 207 | #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ |
| 208 | #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ |
| 209 | #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ |
| 210 | #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ |
| 211 | #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ |
| 212 | #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ |
| 213 | #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ |
| 214 | #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ |
| 215 | #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_U18_3BE |
| 216 | |
| 217 | #ifdef SNDRV_LITTLE_ENDIAN |
| 218 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE |
| 219 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE |
| 220 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE |
| 221 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE |
| 222 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE |
| 223 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE |
| 224 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE |
| 225 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE |
| 226 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE |
| 227 | #endif |
| 228 | #ifdef SNDRV_BIG_ENDIAN |
| 229 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE |
| 230 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE |
| 231 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE |
| 232 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE |
| 233 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE |
| 234 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE |
| 235 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE |
| 236 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE |
| 237 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE |
| 238 | #endif |
| 239 | |
| 240 | typedef int __bitwise snd_pcm_subformat_t; |
| 241 | #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) |
| 242 | #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD |
| 243 | |
| 244 | #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ |
| 245 | #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ |
| 246 | #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ |
| 247 | #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ |
| 248 | #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ |
| 249 | #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ |
| 250 | #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ |
| 251 | #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ |
| 252 | #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ |
| 253 | #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ |
| 254 | #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ |
| 255 | #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ |
| 256 | #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ |
| 257 | #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ |
| 258 | #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ |
| 259 | |
| 260 | typedef int __bitwise snd_pcm_state_t; |
| 261 | #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ |
| 262 | #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ |
| 263 | #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ |
| 264 | #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ |
| 265 | #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ |
| 266 | #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ |
| 267 | #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ |
| 268 | #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ |
| 269 | #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ |
| 270 | #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED |
| 271 | |
| 272 | enum { |
| 273 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, |
| 274 | SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, |
| 275 | SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, |
| 276 | }; |
| 277 | |
| 278 | union snd_pcm_sync_id { |
| 279 | unsigned char id[16]; |
| 280 | unsigned short id16[8]; |
| 281 | unsigned int id32[4]; |
| 282 | }; |
| 283 | |
| 284 | struct snd_pcm_info { |
| 285 | unsigned int device; /* RO/WR (control): device number */ |
| 286 | unsigned int subdevice; /* RO/WR (control): subdevice number */ |
| 287 | int stream; /* RO/WR (control): stream direction */ |
| 288 | int card; /* R: card number */ |
| 289 | unsigned char id[64]; /* ID (user selectable) */ |
| 290 | unsigned char name[80]; /* name of this device */ |
| 291 | unsigned char subname[32]; /* subdevice name */ |
| 292 | int dev_class; /* SNDRV_PCM_CLASS_* */ |
| 293 | int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ |
| 294 | unsigned int subdevices_count; |
| 295 | unsigned int subdevices_avail; |
| 296 | union snd_pcm_sync_id sync; /* hardware synchronization ID */ |
| 297 | unsigned char reserved[64]; /* reserved for future... */ |
| 298 | }; |
| 299 | |
| 300 | typedef int snd_pcm_hw_param_t; |
| 301 | #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ |
| 302 | #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ |
| 303 | #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ |
| 304 | #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS |
| 305 | #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT |
| 306 | |
| 307 | #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ |
| 308 | #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ |
| 309 | #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ |
| 310 | #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ |
| 311 | #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between |
| 312 | * interrupts in us |
| 313 | */ |
| 314 | #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between |
| 315 | * interrupts |
| 316 | */ |
| 317 | #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between |
| 318 | * interrupts |
| 319 | */ |
| 320 | #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per |
| 321 | * buffer |
| 322 | */ |
| 323 | #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer |
| 324 | * in us |
| 325 | */ |
| 326 | #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ |
| 327 | #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ |
| 328 | #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ |
| 329 | #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS |
| 330 | #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME |
| 331 | |
| 332 | #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ |
| 333 | |
| 334 | struct snd_interval { |
| 335 | unsigned int min, max; |
| 336 | unsigned int openmin:1, |
| 337 | openmax:1, |
| 338 | integer:1, |
| 339 | empty:1; |
| 340 | }; |
| 341 | |
| 342 | #define SNDRV_MASK_MAX 256 |
| 343 | |
| 344 | struct snd_mask { |
| 345 | __u32 bits[(SNDRV_MASK_MAX+31)/32]; |
| 346 | }; |
| 347 | |
| 348 | struct snd_pcm_hw_params { |
| 349 | unsigned int flags; |
| 350 | struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - |
| 351 | SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; |
| 352 | struct snd_mask mres[5]; /* reserved masks */ |
| 353 | struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - |
| 354 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; |
| 355 | struct snd_interval ires[9]; /* reserved intervals */ |
| 356 | unsigned int rmask; /* W: requested masks */ |
| 357 | unsigned int cmask; /* R: changed masks */ |
| 358 | unsigned int info; /* R: Info flags for returned setup */ |
| 359 | unsigned int msbits; /* R: used most significant bits */ |
| 360 | unsigned int rate_num; /* R: rate numerator */ |
| 361 | unsigned int rate_den; /* R: rate denominator */ |
| 362 | snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ |
| 363 | unsigned char reserved[64]; /* reserved for future */ |
| 364 | }; |
| 365 | |
| 366 | enum { |
| 367 | SNDRV_PCM_TSTAMP_NONE = 0, |
| 368 | SNDRV_PCM_TSTAMP_ENABLE, |
| 369 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, |
| 370 | }; |
| 371 | |
| 372 | struct snd_pcm_sw_params { |
| 373 | int tstamp_mode; /* timestamp mode */ |
| 374 | unsigned int period_step; |
| 375 | unsigned int sleep_min; /* min ticks to sleep */ |
| 376 | snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ |
| 377 | snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ |
| 378 | snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ |
| 379 | snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ |
| 380 | snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ |
| 381 | snd_pcm_uframes_t silence_size; /* silence block size */ |
| 382 | snd_pcm_uframes_t boundary; /* pointers wrap point */ |
| 383 | unsigned char reserved[64]; /* reserved for future */ |
| 384 | }; |
| 385 | |
| 386 | struct snd_pcm_channel_info { |
| 387 | unsigned int channel; |
| 388 | __kernel_off_t offset; /* mmap offset */ |
| 389 | unsigned int first; /* offset to first sample in bits */ |
| 390 | unsigned int step; /* samples distance in bits */ |
| 391 | }; |
| 392 | |
| 393 | struct snd_pcm_status { |
| 394 | snd_pcm_state_t state; /* stream state */ |
| 395 | struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ |
| 396 | struct timespec tstamp; /* reference timestamp */ |
| 397 | snd_pcm_uframes_t appl_ptr; /* appl ptr */ |
| 398 | snd_pcm_uframes_t hw_ptr; /* hw ptr */ |
| 399 | snd_pcm_sframes_t delay; /* current delay in frames */ |
| 400 | snd_pcm_uframes_t avail; /* number of frames available */ |
| 401 | snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ |
| 402 | snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ |
| 403 | snd_pcm_state_t suspended_state; /* suspended stream state */ |
| 404 | unsigned char reserved[60]; /* must be filled with zero */ |
| 405 | }; |
| 406 | |
| 407 | struct snd_pcm_mmap_status { |
| 408 | snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ |
| 409 | int pad1; /* Needed for 64 bit alignment */ |
| 410 | snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ |
| 411 | struct timespec tstamp; /* Timestamp */ |
| 412 | snd_pcm_state_t suspended_state; /* RO: suspended stream state */ |
| 413 | }; |
| 414 | |
| 415 | struct snd_pcm_mmap_control { |
| 416 | snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ |
| 417 | snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ |
| 418 | }; |
| 419 | |
| 420 | #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ |
| 421 | #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ |
| 422 | #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ |
| 423 | |
| 424 | struct snd_pcm_sync_ptr { |
| 425 | unsigned int flags; |
| 426 | union { |
| 427 | struct snd_pcm_mmap_status status; |
| 428 | unsigned char reserved[64]; |
| 429 | } s; |
| 430 | union { |
| 431 | struct snd_pcm_mmap_control control; |
| 432 | unsigned char reserved[64]; |
| 433 | } c; |
| 434 | }; |
| 435 | |
| 436 | struct snd_xferi { |
| 437 | snd_pcm_sframes_t result; |
| 438 | void __user *buf; |
| 439 | snd_pcm_uframes_t frames; |
| 440 | }; |
| 441 | |
| 442 | struct snd_xfern { |
| 443 | snd_pcm_sframes_t result; |
| 444 | void __user * __user *bufs; |
| 445 | snd_pcm_uframes_t frames; |
| 446 | }; |
| 447 | |
| 448 | enum { |
| 449 | SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ |
| 450 | SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ |
| 451 | SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, |
| 452 | }; |
| 453 | |
| 454 | #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) |
| 455 | #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) |
| 456 | #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) |
| 457 | #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) |
| 458 | #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) |
| 459 | #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) |
| 460 | #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) |
| 461 | #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) |
| 462 | #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) |
| 463 | #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) |
| 464 | #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) |
| 465 | #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) |
| 466 | #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) |
| 467 | #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) |
| 468 | #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) |
| 469 | #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) |
| 470 | #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) |
| 471 | #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) |
| 472 | #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) |
| 473 | #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) |
| 474 | #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) |
| 475 | #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) |
| 476 | #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) |
| 477 | #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) |
| 478 | #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) |
| 479 | #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) |
| 480 | #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) |
| 481 | #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) |
| 482 | #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) |
| 483 | |
| 484 | /***************************************************************************** |
| 485 | * * |
| 486 | * MIDI v1.0 interface * |
| 487 | * * |
| 488 | *****************************************************************************/ |
| 489 | |
| 490 | /* |
| 491 | * Raw MIDI section - /dev/snd/midi?? |
| 492 | */ |
| 493 | |
| 494 | #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) |
| 495 | |
| 496 | enum { |
| 497 | SNDRV_RAWMIDI_STREAM_OUTPUT = 0, |
| 498 | SNDRV_RAWMIDI_STREAM_INPUT, |
| 499 | SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, |
| 500 | }; |
| 501 | |
| 502 | #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 |
| 503 | #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 |
| 504 | #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 |
| 505 | |
| 506 | struct snd_rawmidi_info { |
| 507 | unsigned int device; /* RO/WR (control): device number */ |
| 508 | unsigned int subdevice; /* RO/WR (control): subdevice number */ |
| 509 | int stream; /* WR: stream */ |
| 510 | int card; /* R: card number */ |
| 511 | unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ |
| 512 | unsigned char id[64]; /* ID (user selectable) */ |
| 513 | unsigned char name[80]; /* name of device */ |
| 514 | unsigned char subname[32]; /* name of active or selected subdevice */ |
| 515 | unsigned int subdevices_count; |
| 516 | unsigned int subdevices_avail; |
| 517 | unsigned char reserved[64]; /* reserved for future use */ |
| 518 | }; |
| 519 | |
| 520 | struct snd_rawmidi_params { |
| 521 | int stream; |
| 522 | size_t buffer_size; /* queue size in bytes */ |
| 523 | size_t avail_min; /* minimum avail bytes for wakeup */ |
| 524 | unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ |
| 525 | unsigned char reserved[16]; /* reserved for future use */ |
| 526 | }; |
| 527 | |
| 528 | struct snd_rawmidi_status { |
| 529 | int stream; |
| 530 | struct timespec tstamp; /* Timestamp */ |
| 531 | size_t avail; /* available bytes */ |
| 532 | size_t xruns; /* count of overruns since last status (in bytes) */ |
| 533 | unsigned char reserved[16]; /* reserved for future use */ |
| 534 | }; |
| 535 | |
| 536 | #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) |
| 537 | #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) |
| 538 | #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) |
| 539 | #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) |
| 540 | #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) |
| 541 | #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) |
| 542 | |
| 543 | /* |
| 544 | * Timer section - /dev/snd/timer |
| 545 | */ |
| 546 | |
| 547 | #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 5) |
| 548 | |
| 549 | enum { |
| 550 | SNDRV_TIMER_CLASS_NONE = -1, |
| 551 | SNDRV_TIMER_CLASS_SLAVE = 0, |
| 552 | SNDRV_TIMER_CLASS_GLOBAL, |
| 553 | SNDRV_TIMER_CLASS_CARD, |
| 554 | SNDRV_TIMER_CLASS_PCM, |
| 555 | SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, |
| 556 | }; |
| 557 | |
| 558 | /* slave timer classes */ |
| 559 | enum { |
| 560 | SNDRV_TIMER_SCLASS_NONE = 0, |
| 561 | SNDRV_TIMER_SCLASS_APPLICATION, |
| 562 | SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ |
| 563 | SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ |
| 564 | SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, |
| 565 | }; |
| 566 | |
| 567 | /* global timers (device member) */ |
| 568 | #define SNDRV_TIMER_GLOBAL_SYSTEM 0 |
| 569 | #define SNDRV_TIMER_GLOBAL_RTC 1 |
| 570 | #define SNDRV_TIMER_GLOBAL_HPET 2 |
| 571 | #define SNDRV_TIMER_GLOBAL_HRTIMER 3 |
| 572 | |
| 573 | /* info flags */ |
| 574 | #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ |
| 575 | |
| 576 | struct snd_timer_id { |
| 577 | int dev_class; |
| 578 | int dev_sclass; |
| 579 | int card; |
| 580 | int device; |
| 581 | int subdevice; |
| 582 | }; |
| 583 | |
| 584 | struct snd_timer_ginfo { |
| 585 | struct snd_timer_id tid; /* requested timer ID */ |
| 586 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
| 587 | int card; /* card number */ |
| 588 | unsigned char id[64]; /* timer identification */ |
| 589 | unsigned char name[80]; /* timer name */ |
| 590 | unsigned long reserved0; /* reserved for future use */ |
| 591 | unsigned long resolution; /* average period resolution in ns */ |
| 592 | unsigned long resolution_min; /* minimal period resolution in ns */ |
| 593 | unsigned long resolution_max; /* maximal period resolution in ns */ |
| 594 | unsigned int clients; /* active timer clients */ |
| 595 | unsigned char reserved[32]; |
| 596 | }; |
| 597 | |
| 598 | struct snd_timer_gparams { |
| 599 | struct snd_timer_id tid; /* requested timer ID */ |
| 600 | unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ |
| 601 | unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ |
| 602 | unsigned char reserved[32]; |
| 603 | }; |
| 604 | |
| 605 | struct snd_timer_gstatus { |
| 606 | struct snd_timer_id tid; /* requested timer ID */ |
| 607 | unsigned long resolution; /* current period resolution in ns */ |
| 608 | unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ |
| 609 | unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ |
| 610 | unsigned char reserved[32]; |
| 611 | }; |
| 612 | |
| 613 | struct snd_timer_select { |
| 614 | struct snd_timer_id id; /* bind to timer ID */ |
| 615 | unsigned char reserved[32]; /* reserved */ |
| 616 | }; |
| 617 | |
| 618 | struct snd_timer_info { |
| 619 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
| 620 | int card; /* card number */ |
| 621 | unsigned char id[64]; /* timer identificator */ |
| 622 | unsigned char name[80]; /* timer name */ |
| 623 | unsigned long reserved0; /* reserved for future use */ |
| 624 | unsigned long resolution; /* average period resolution in ns */ |
| 625 | unsigned char reserved[64]; /* reserved */ |
| 626 | }; |
| 627 | |
| 628 | #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ |
| 629 | #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ |
| 630 | #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ |
| 631 | |
| 632 | struct snd_timer_params { |
| 633 | unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ |
| 634 | unsigned int ticks; /* requested resolution in ticks */ |
| 635 | unsigned int queue_size; /* total size of queue (32-1024) */ |
| 636 | unsigned int reserved0; /* reserved, was: failure locations */ |
| 637 | unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ |
| 638 | unsigned char reserved[60]; /* reserved */ |
| 639 | }; |
| 640 | |
| 641 | struct snd_timer_status { |
| 642 | struct timespec tstamp; /* Timestamp - last update */ |
| 643 | unsigned int resolution; /* current period resolution in ns */ |
| 644 | unsigned int lost; /* counter of master tick lost */ |
| 645 | unsigned int overrun; /* count of read queue overruns */ |
| 646 | unsigned int queue; /* used queue size */ |
| 647 | unsigned char reserved[64]; /* reserved */ |
| 648 | }; |
| 649 | |
| 650 | #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) |
| 651 | #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) |
| 652 | #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int) |
| 653 | #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) |
| 654 | #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) |
| 655 | #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) |
| 656 | #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) |
| 657 | #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) |
| 658 | #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) |
| 659 | #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) |
| 660 | /* The following four ioctls are changed since 1.0.9 due to confliction */ |
| 661 | #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) |
| 662 | #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) |
| 663 | #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) |
| 664 | #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) |
| 665 | |
| 666 | struct snd_timer_read { |
| 667 | unsigned int resolution; |
| 668 | unsigned int ticks; |
| 669 | }; |
| 670 | |
| 671 | enum { |
| 672 | SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ |
| 673 | SNDRV_TIMER_EVENT_TICK, /* val = ticks */ |
| 674 | SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ |
| 675 | SNDRV_TIMER_EVENT_STOP, /* val = 0 */ |
| 676 | SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ |
| 677 | SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ |
| 678 | SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ |
| 679 | SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ |
| 680 | SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */ |
| 681 | /* master timer events for slave timer instances */ |
| 682 | SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, |
| 683 | SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, |
| 684 | SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, |
| 685 | SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, |
| 686 | SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, |
| 687 | SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, |
| 688 | }; |
| 689 | |
| 690 | struct snd_timer_tread { |
| 691 | int event; |
| 692 | struct timespec tstamp; |
| 693 | unsigned int val; |
| 694 | }; |
| 695 | |
| 696 | /**************************************************************************** |
| 697 | * * |
| 698 | * Section for driver control interface - /dev/snd/control? * |
| 699 | * * |
| 700 | ****************************************************************************/ |
| 701 | |
| 702 | #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) |
| 703 | |
| 704 | struct snd_ctl_card_info { |
| 705 | int card; /* card number */ |
| 706 | int pad; /* reserved for future (was type) */ |
| 707 | unsigned char id[16]; /* ID of card (user selectable) */ |
| 708 | unsigned char driver[16]; /* Driver name */ |
| 709 | unsigned char name[32]; /* Short name of soundcard */ |
| 710 | unsigned char longname[80]; /* name + info text about soundcard */ |
| 711 | unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ |
| 712 | unsigned char mixername[80]; /* visual mixer identification */ |
| 713 | unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ |
| 714 | }; |
| 715 | |
| 716 | typedef int __bitwise snd_ctl_elem_type_t; |
| 717 | #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */ |
| 718 | #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */ |
| 719 | #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */ |
| 720 | #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */ |
| 721 | #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */ |
| 722 | #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */ |
| 723 | #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */ |
| 724 | #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 |
| 725 | |
| 726 | typedef int __bitwise snd_ctl_elem_iface_t; |
| 727 | #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */ |
| 728 | #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */ |
| 729 | #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */ |
| 730 | #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */ |
| 731 | #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */ |
| 732 | #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */ |
| 733 | #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */ |
| 734 | #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER |
| 735 | |
| 736 | #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) |
| 737 | #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) |
| 738 | #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) |
| 739 | #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ |
| 740 | #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */ |
| 741 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */ |
| 742 | #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */ |
| 743 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) |
| 744 | #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */ |
| 745 | #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ |
| 746 | #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ |
| 747 | #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ |
| 748 | #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */ |
| 749 | #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ |
| 750 | /* bits 30 and 31 are obsoleted (for indirect access) */ |
| 751 | |
| 752 | /* for further details see the ACPI and PCI power management specification */ |
| 753 | #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ |
| 754 | #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ |
| 755 | #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ |
| 756 | #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ |
| 757 | #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ |
| 758 | #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ |
| 759 | |
| 760 | struct snd_ctl_elem_id { |
| 761 | unsigned int numid; /* numeric identifier, zero = invalid */ |
| 762 | snd_ctl_elem_iface_t iface; /* interface identifier */ |
| 763 | unsigned int device; /* device/client number */ |
| 764 | unsigned int subdevice; /* subdevice (substream) number */ |
| 765 | unsigned char name[44]; /* ASCII name of item */ |
| 766 | unsigned int index; /* index of item */ |
| 767 | }; |
| 768 | |
| 769 | struct snd_ctl_elem_list { |
| 770 | unsigned int offset; /* W: first element ID to get */ |
| 771 | unsigned int space; /* W: count of element IDs to get */ |
| 772 | unsigned int used; /* R: count of element IDs set */ |
| 773 | unsigned int count; /* R: count of all elements */ |
| 774 | struct snd_ctl_elem_id __user *pids; /* R: IDs */ |
| 775 | unsigned char reserved[50]; |
| 776 | }; |
| 777 | |
| 778 | struct snd_ctl_elem_info { |
| 779 | struct snd_ctl_elem_id id; /* W: element ID */ |
| 780 | snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ |
| 781 | unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ |
| 782 | unsigned int count; /* count of values */ |
| 783 | __kernel_pid_t owner; /* owner's PID of this control */ |
| 784 | union { |
| 785 | struct { |
| 786 | long min; /* R: minimum value */ |
| 787 | long max; /* R: maximum value */ |
| 788 | long step; /* R: step (0 variable) */ |
| 789 | } integer; |
| 790 | struct { |
| 791 | long long min; /* R: minimum value */ |
| 792 | long long max; /* R: maximum value */ |
| 793 | long long step; /* R: step (0 variable) */ |
| 794 | } integer64; |
| 795 | struct { |
| 796 | unsigned int items; /* R: number of items */ |
| 797 | unsigned int item; /* W: item number */ |
| 798 | char name[64]; /* R: value name */ |
| 799 | } enumerated; |
| 800 | unsigned char reserved[128]; |
| 801 | } value; |
| 802 | union { |
| 803 | unsigned short d[4]; /* dimensions */ |
| 804 | unsigned short *d_ptr; /* indirect - obsoleted */ |
| 805 | } dimen; |
| 806 | unsigned char reserved[64-4*sizeof(unsigned short)]; |
| 807 | }; |
| 808 | |
| 809 | struct snd_ctl_elem_value { |
| 810 | struct snd_ctl_elem_id id; /* W: element ID */ |
| 811 | unsigned int indirect: 1; /* W: indirect access - obsoleted */ |
| 812 | union { |
| 813 | union { |
| 814 | long value[128]; |
| 815 | long *value_ptr; /* obsoleted */ |
| 816 | } integer; |
| 817 | union { |
| 818 | long long value[64]; |
| 819 | long long *value_ptr; /* obsoleted */ |
| 820 | } integer64; |
| 821 | union { |
| 822 | unsigned int item[128]; |
| 823 | unsigned int *item_ptr; /* obsoleted */ |
| 824 | } enumerated; |
| 825 | union { |
| 826 | unsigned char data[512]; |
| 827 | unsigned char *data_ptr; /* obsoleted */ |
| 828 | } bytes; |
| 829 | struct snd_aes_iec958 iec958; |
| 830 | } value; /* RO */ |
| 831 | struct timespec tstamp; |
| 832 | unsigned char reserved[128-sizeof(struct timespec)]; |
| 833 | }; |
| 834 | |
| 835 | struct snd_ctl_tlv { |
| 836 | unsigned int numid; /* control element numeric identification */ |
| 837 | unsigned int length; /* in bytes aligned to 4 */ |
| 838 | unsigned int tlv[0]; /* first TLV */ |
| 839 | }; |
| 840 | |
| 841 | #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) |
| 842 | #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) |
| 843 | #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) |
| 844 | #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) |
| 845 | #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) |
| 846 | #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) |
| 847 | #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) |
| 848 | #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) |
| 849 | #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) |
| 850 | #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) |
| 851 | #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) |
| 852 | #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) |
| 853 | #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) |
| 854 | #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) |
| 855 | #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) |
| 856 | #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) |
| 857 | #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) |
| 858 | #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) |
| 859 | #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) |
| 860 | #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) |
| 861 | #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) |
| 862 | #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) |
| 863 | #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) |
| 864 | #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) |
| 865 | #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int) |
| 866 | |
| 867 | /* |
| 868 | * Read interface. |
| 869 | */ |
| 870 | |
| 871 | enum sndrv_ctl_event_type { |
| 872 | SNDRV_CTL_EVENT_ELEM = 0, |
| 873 | SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, |
| 874 | }; |
| 875 | |
| 876 | #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ |
| 877 | #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ |
| 878 | #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ |
| 879 | #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */ |
| 880 | #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ |
| 881 | |
| 882 | struct snd_ctl_event { |
| 883 | int type; /* event type - SNDRV_CTL_EVENT_* */ |
| 884 | union { |
| 885 | struct { |
| 886 | unsigned int mask; |
| 887 | struct snd_ctl_elem_id id; |
| 888 | } elem; |
| 889 | unsigned char data8[60]; |
| 890 | } data; |
| 891 | }; |
| 892 | |
| 893 | /* |
| 894 | * Control names |
| 895 | */ |
| 896 | |
| 897 | #define SNDRV_CTL_NAME_NONE "" |
| 898 | #define SNDRV_CTL_NAME_PLAYBACK "Playback " |
| 899 | #define SNDRV_CTL_NAME_CAPTURE "Capture " |
| 900 | |
| 901 | #define SNDRV_CTL_NAME_IEC958_NONE "" |
| 902 | #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" |
| 903 | #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" |
| 904 | #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" |
| 905 | #define SNDRV_CTL_NAME_IEC958_MASK "Mask" |
| 906 | #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" |
| 907 | #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" |
| 908 | #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" |
| 909 | #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what |
| 910 | |
| 911 | #endif /* __SOUND_ASOUND_H */ |