| /* |
| * Advanced Linux Sound Architecture - ALSA - Driver |
| * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@suse.cz>, |
| * Abramo Bagnara <abramo@alsa-project.org> |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #ifndef __SOUND_ASOUND_H |
| #define __SOUND_ASOUND_H |
| |
| #if defined(LINUX) || defined(__LINUX__) || defined(__linux__) |
| |
| #include <linux/ioctl.h> |
| |
| #ifdef __KERNEL__ |
| |
| #include <linux/types.h> |
| #include <linux/time.h> |
| #include <asm/byteorder.h> |
| |
| #ifdef __LITTLE_ENDIAN |
| #define SNDRV_LITTLE_ENDIAN |
| #else |
| #ifdef __BIG_ENDIAN |
| #define SNDRV_BIG_ENDIAN |
| #else |
| #error "Unsupported endian..." |
| #endif |
| #endif |
| |
| #else /* !__KERNEL__ */ |
| |
| #include <endian.h> |
| #if __BYTE_ORDER == __LITTLE_ENDIAN |
| #define SNDRV_LITTLE_ENDIAN |
| #elif __BYTE_ORDER == __BIG_ENDIAN |
| #define SNDRV_BIG_ENDIAN |
| #else |
| #error "Unsupported endian..." |
| #endif |
| |
| #endif /* __KERNEL **/ |
| |
| #endif /* LINUX */ |
| |
| #ifndef __KERNEL__ |
| #include <sys/time.h> |
| #include <sys/types.h> |
| #endif |
| |
| /* |
| * protocol version |
| */ |
| |
| #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) |
| #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) |
| #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) |
| #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) |
| #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ |
| (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ |
| (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ |
| SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) |
| |
| /**************************************************************************** |
| * * |
| * Digital audio interface * |
| * * |
| ****************************************************************************/ |
| |
| struct sndrv_aes_iec958 { |
| unsigned char status[24]; /* AES/IEC958 channel status bits */ |
| unsigned char subcode[147]; /* AES/IEC958 subcode bits */ |
| unsigned char pad; /* nothing */ |
| unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ |
| }; |
| |
| /**************************************************************************** |
| * * |
| * Section for driver hardware dependent interface - /dev/snd/hw? * |
| * * |
| ****************************************************************************/ |
| |
| #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) |
| |
| enum sndrv_hwdep_iface { |
| SNDRV_HWDEP_IFACE_OPL2 = 0, |
| SNDRV_HWDEP_IFACE_OPL3, |
| SNDRV_HWDEP_IFACE_OPL4, |
| SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ |
| SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ |
| SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ |
| SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ |
| SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ |
| SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ |
| SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ |
| SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ |
| SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ |
| SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ |
| SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ |
| SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ |
| SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ |
| |
| /* Don't forget to change the following: */ |
| SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_SB_RC |
| }; |
| |
| struct sndrv_hwdep_info { |
| unsigned int device; /* WR: device number */ |
| int card; /* R: card number */ |
| unsigned char id[64]; /* ID (user selectable) */ |
| unsigned char name[80]; /* hwdep name */ |
| enum sndrv_hwdep_iface iface; /* hwdep interface */ |
| unsigned char reserved[64]; /* reserved for future */ |
| }; |
| |
| /* generic DSP loader */ |
| struct sndrv_hwdep_dsp_status { |
| unsigned int version; /* R: driver-specific version */ |
| unsigned char id[32]; /* R: driver-specific ID string */ |
| unsigned int num_dsps; /* R: number of DSP images to transfer */ |
| unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ |
| unsigned int chip_ready; /* R: 1 = initialization finished */ |
| unsigned char reserved[16]; /* reserved for future use */ |
| }; |
| |
| struct sndrv_hwdep_dsp_image { |
| unsigned int index; /* W: DSP index */ |
| unsigned char name[64]; /* W: ID (e.g. file name) */ |
| unsigned char __user *image; /* W: binary image */ |
| size_t length; /* W: size of image in bytes */ |
| unsigned long driver_data; /* W: driver-specific data */ |
| }; |
| |
| enum { |
| SNDRV_HWDEP_IOCTL_PVERSION = _IOR ('H', 0x00, int), |
| SNDRV_HWDEP_IOCTL_INFO = _IOR ('H', 0x01, struct sndrv_hwdep_info), |
| SNDRV_HWDEP_IOCTL_DSP_STATUS = _IOR('H', 0x02, struct sndrv_hwdep_dsp_status), |
| SNDRV_HWDEP_IOCTL_DSP_LOAD = _IOW('H', 0x03, struct sndrv_hwdep_dsp_image) |
| }; |
| |
| /***************************************************************************** |
| * * |
| * Digital Audio (PCM) interface - /dev/snd/pcm?? * |
| * * |
| *****************************************************************************/ |
| |
| #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) |
| |
| typedef unsigned long sndrv_pcm_uframes_t; |
| typedef long sndrv_pcm_sframes_t; |
| |
| enum sndrv_pcm_class { |
| SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ |
| SNDRV_PCM_CLASS_MULTI, /* multichannel device */ |
| SNDRV_PCM_CLASS_MODEM, /* software modem class */ |
| SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ |
| /* Don't forget to change the following: */ |
| SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, |
| }; |
| |
| enum sndrv_pcm_subclass { |
| SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ |
| SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ |
| /* Don't forget to change the following: */ |
| SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, |
| }; |
| |
| enum sndrv_pcm_stream { |
| SNDRV_PCM_STREAM_PLAYBACK = 0, |
| SNDRV_PCM_STREAM_CAPTURE, |
| SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, |
| }; |
| |
| enum sndrv_pcm_access { |
| SNDRV_PCM_ACCESS_MMAP_INTERLEAVED = 0, /* interleaved mmap */ |
| SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED, /* noninterleaved mmap */ |
| SNDRV_PCM_ACCESS_MMAP_COMPLEX, /* complex mmap */ |
| SNDRV_PCM_ACCESS_RW_INTERLEAVED, /* readi/writei */ |
| SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, /* readn/writen */ |
| SNDRV_PCM_ACCESS_LAST = SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, |
| }; |
| |
| enum sndrv_pcm_format { |
| SNDRV_PCM_FORMAT_S8 = 0, |
| SNDRV_PCM_FORMAT_U8, |
| SNDRV_PCM_FORMAT_S16_LE, |
| SNDRV_PCM_FORMAT_S16_BE, |
| SNDRV_PCM_FORMAT_U16_LE, |
| SNDRV_PCM_FORMAT_U16_BE, |
| SNDRV_PCM_FORMAT_S24_LE, /* low three bytes */ |
| SNDRV_PCM_FORMAT_S24_BE, /* low three bytes */ |
| SNDRV_PCM_FORMAT_U24_LE, /* low three bytes */ |
| SNDRV_PCM_FORMAT_U24_BE, /* low three bytes */ |
| SNDRV_PCM_FORMAT_S32_LE, |
| SNDRV_PCM_FORMAT_S32_BE, |
| SNDRV_PCM_FORMAT_U32_LE, |
| SNDRV_PCM_FORMAT_U32_BE, |
| SNDRV_PCM_FORMAT_FLOAT_LE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ |
| SNDRV_PCM_FORMAT_FLOAT_BE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ |
| SNDRV_PCM_FORMAT_FLOAT64_LE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ |
| SNDRV_PCM_FORMAT_FLOAT64_BE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ |
| SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, /* IEC-958 subframe, Little Endian */ |
| SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, /* IEC-958 subframe, Big Endian */ |
| SNDRV_PCM_FORMAT_MU_LAW, |
| SNDRV_PCM_FORMAT_A_LAW, |
| SNDRV_PCM_FORMAT_IMA_ADPCM, |
| SNDRV_PCM_FORMAT_MPEG, |
| SNDRV_PCM_FORMAT_GSM, |
| SNDRV_PCM_FORMAT_SPECIAL = 31, |
| SNDRV_PCM_FORMAT_S24_3LE = 32, /* in three bytes */ |
| SNDRV_PCM_FORMAT_S24_3BE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_U24_3LE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_U24_3BE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_S20_3LE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_S20_3BE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_U20_3LE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_U20_3BE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_S18_3LE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_S18_3BE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_U18_3LE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_U18_3BE, /* in three bytes */ |
| SNDRV_PCM_FORMAT_LAST = SNDRV_PCM_FORMAT_U18_3BE, |
| |
| #ifdef SNDRV_LITTLE_ENDIAN |
| SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_LE, |
| SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_LE, |
| SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_LE, |
| SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_LE, |
| SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_LE, |
| SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_LE, |
| SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_LE, |
| SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_LE, |
| SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, |
| #endif |
| #ifdef SNDRV_BIG_ENDIAN |
| SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_BE, |
| SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_BE, |
| SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_BE, |
| SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_BE, |
| SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_BE, |
| SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_BE, |
| SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_BE, |
| SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_BE, |
| SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, |
| #endif |
| }; |
| |
| enum sndrv_pcm_subformat { |
| SNDRV_PCM_SUBFORMAT_STD = 0, |
| SNDRV_PCM_SUBFORMAT_LAST = SNDRV_PCM_SUBFORMAT_STD, |
| }; |
| |
| #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ |
| #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ |
| #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ |
| #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ |
| #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ |
| #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ |
| #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ |
| #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ |
| #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ |
| #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ |
| #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ |
| #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ |
| #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ |
| #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ |
| |
| enum sndrv_pcm_state { |
| SNDRV_PCM_STATE_OPEN = 0, /* stream is open */ |
| SNDRV_PCM_STATE_SETUP, /* stream has a setup */ |
| SNDRV_PCM_STATE_PREPARED, /* stream is ready to start */ |
| SNDRV_PCM_STATE_RUNNING, /* stream is running */ |
| SNDRV_PCM_STATE_XRUN, /* stream reached an xrun */ |
| SNDRV_PCM_STATE_DRAINING, /* stream is draining */ |
| SNDRV_PCM_STATE_PAUSED, /* stream is paused */ |
| SNDRV_PCM_STATE_SUSPENDED, /* hardware is suspended */ |
| SNDRV_PCM_STATE_DISCONNECTED, /* hardware is disconnected */ |
| SNDRV_PCM_STATE_LAST = SNDRV_PCM_STATE_DISCONNECTED, |
| }; |
| |
| enum { |
| SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, |
| SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, |
| SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, |
| }; |
| |
| union sndrv_pcm_sync_id { |
| unsigned char id[16]; |
| unsigned short id16[8]; |
| unsigned int id32[4]; |
| }; |
| |
| struct sndrv_pcm_info { |
| unsigned int device; /* RO/WR (control): device number */ |
| unsigned int subdevice; /* RO/WR (control): subdevice number */ |
| enum sndrv_pcm_stream stream; /* RO/WR (control): stream number */ |
| int card; /* R: card number */ |
| unsigned char id[64]; /* ID (user selectable) */ |
| unsigned char name[80]; /* name of this device */ |
| unsigned char subname[32]; /* subdevice name */ |
| enum sndrv_pcm_class dev_class; /* SNDRV_PCM_CLASS_* */ |
| enum sndrv_pcm_subclass dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ |
| unsigned int subdevices_count; |
| unsigned int subdevices_avail; |
| union sndrv_pcm_sync_id sync; /* hardware synchronization ID */ |
| unsigned char reserved[64]; /* reserved for future... */ |
| }; |
| |
| enum sndrv_pcm_hw_param { |
| SNDRV_PCM_HW_PARAM_ACCESS = 0, /* Access type */ |
| SNDRV_PCM_HW_PARAM_FIRST_MASK = SNDRV_PCM_HW_PARAM_ACCESS, |
| SNDRV_PCM_HW_PARAM_FORMAT, /* Format */ |
| SNDRV_PCM_HW_PARAM_SUBFORMAT, /* Subformat */ |
| SNDRV_PCM_HW_PARAM_LAST_MASK = SNDRV_PCM_HW_PARAM_SUBFORMAT, |
| |
| SNDRV_PCM_HW_PARAM_SAMPLE_BITS = 8, /* Bits per sample */ |
| SNDRV_PCM_HW_PARAM_FIRST_INTERVAL = SNDRV_PCM_HW_PARAM_SAMPLE_BITS, |
| SNDRV_PCM_HW_PARAM_FRAME_BITS, /* Bits per frame */ |
| SNDRV_PCM_HW_PARAM_CHANNELS, /* Channels */ |
| SNDRV_PCM_HW_PARAM_RATE, /* Approx rate */ |
| SNDRV_PCM_HW_PARAM_PERIOD_TIME, /* Approx distance between interrupts |
| in us */ |
| SNDRV_PCM_HW_PARAM_PERIOD_SIZE, /* Approx frames between interrupts */ |
| SNDRV_PCM_HW_PARAM_PERIOD_BYTES, /* Approx bytes between interrupts */ |
| SNDRV_PCM_HW_PARAM_PERIODS, /* Approx interrupts per buffer */ |
| SNDRV_PCM_HW_PARAM_BUFFER_TIME, /* Approx duration of buffer in us */ |
| SNDRV_PCM_HW_PARAM_BUFFER_SIZE, /* Size of buffer in frames */ |
| SNDRV_PCM_HW_PARAM_BUFFER_BYTES, /* Size of buffer in bytes */ |
| SNDRV_PCM_HW_PARAM_TICK_TIME, /* Approx tick duration in us */ |
| SNDRV_PCM_HW_PARAM_LAST_INTERVAL = SNDRV_PCM_HW_PARAM_TICK_TIME |
| }; |
| |
| #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ |
| |
| struct sndrv_interval { |
| unsigned int min, max; |
| unsigned int openmin:1, |
| openmax:1, |
| integer:1, |
| empty:1; |
| }; |
| |
| #define SNDRV_MASK_MAX 256 |
| |
| struct sndrv_mask { |
| u_int32_t bits[(SNDRV_MASK_MAX+31)/32]; |
| }; |
| |
| struct sndrv_pcm_hw_params { |
| unsigned int flags; |
| struct sndrv_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - |
| SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; |
| struct sndrv_mask mres[5]; /* reserved masks */ |
| struct sndrv_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - |
| SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; |
| struct sndrv_interval ires[9]; /* reserved intervals */ |
| unsigned int rmask; /* W: requested masks */ |
| unsigned int cmask; /* R: changed masks */ |
| unsigned int info; /* R: Info flags for returned setup */ |
| unsigned int msbits; /* R: used most significant bits */ |
| unsigned int rate_num; /* R: rate numerator */ |
| unsigned int rate_den; /* R: rate denominator */ |
| sndrv_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ |
| unsigned char reserved[64]; /* reserved for future */ |
| }; |
| |
| enum sndrv_pcm_tstamp { |
| SNDRV_PCM_TSTAMP_NONE = 0, |
| SNDRV_PCM_TSTAMP_MMAP, |
| SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_MMAP, |
| }; |
| |
| struct sndrv_pcm_sw_params { |
| enum sndrv_pcm_tstamp tstamp_mode; /* timestamp mode */ |
| unsigned int period_step; |
| unsigned int sleep_min; /* min ticks to sleep */ |
| sndrv_pcm_uframes_t avail_min; /* min avail frames for wakeup */ |
| sndrv_pcm_uframes_t xfer_align; /* xfer size need to be a multiple */ |
| sndrv_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ |
| sndrv_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ |
| sndrv_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ |
| sndrv_pcm_uframes_t silence_size; /* silence block size */ |
| sndrv_pcm_uframes_t boundary; /* pointers wrap point */ |
| unsigned char reserved[64]; /* reserved for future */ |
| }; |
| |
| struct sndrv_pcm_channel_info { |
| unsigned int channel; |
| off_t offset; /* mmap offset */ |
| unsigned int first; /* offset to first sample in bits */ |
| unsigned int step; /* samples distance in bits */ |
| }; |
| |
| struct sndrv_pcm_status { |
| enum sndrv_pcm_state state; /* stream state */ |
| struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ |
| struct timespec tstamp; /* reference timestamp */ |
| sndrv_pcm_uframes_t appl_ptr; /* appl ptr */ |
| sndrv_pcm_uframes_t hw_ptr; /* hw ptr */ |
| sndrv_pcm_sframes_t delay; /* current delay in frames */ |
| sndrv_pcm_uframes_t avail; /* number of frames available */ |
| sndrv_pcm_uframes_t avail_max; /* max frames available on hw since last status */ |
| sndrv_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ |
| enum sndrv_pcm_state suspended_state; /* suspended stream state */ |
| unsigned char reserved[60]; /* must be filled with zero */ |
| }; |
| |
| struct sndrv_pcm_mmap_status { |
| enum sndrv_pcm_state state; /* RO: state - SNDRV_PCM_STATE_XXXX */ |
| int pad1; /* Needed for 64 bit alignment */ |
| sndrv_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ |
| struct timespec tstamp; /* Timestamp */ |
| enum sndrv_pcm_state suspended_state; /* RO: suspended stream state */ |
| }; |
| |
| struct sndrv_pcm_mmap_control { |
| sndrv_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ |
| sndrv_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ |
| }; |
| |
| #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ |
| #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ |
| #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ |
| |
| struct sndrv_pcm_sync_ptr { |
| unsigned int flags; |
| union { |
| struct sndrv_pcm_mmap_status status; |
| unsigned char reserved[64]; |
| } s; |
| union { |
| struct sndrv_pcm_mmap_control control; |
| unsigned char reserved[64]; |
| } c; |
| }; |
| |
| struct sndrv_xferi { |
| sndrv_pcm_sframes_t result; |
| void __user *buf; |
| sndrv_pcm_uframes_t frames; |
| }; |
| |
| struct sndrv_xfern { |
| sndrv_pcm_sframes_t result; |
| void __user * __user *bufs; |
| sndrv_pcm_uframes_t frames; |
| }; |
| |
| enum { |
| SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int), |
| SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct sndrv_pcm_info), |
| SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int), |
| SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct sndrv_pcm_hw_params), |
| SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct sndrv_pcm_hw_params), |
| SNDRV_PCM_IOCTL_HW_FREE = _IO('A', 0x12), |
| SNDRV_PCM_IOCTL_SW_PARAMS = _IOWR('A', 0x13, struct sndrv_pcm_sw_params), |
| SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct sndrv_pcm_status), |
| SNDRV_PCM_IOCTL_DELAY = _IOR('A', 0x21, sndrv_pcm_sframes_t), |
| SNDRV_PCM_IOCTL_HWSYNC = _IO('A', 0x22), |
| SNDRV_PCM_IOCTL_SYNC_PTR = _IOWR('A', 0x23, struct sndrv_pcm_sync_ptr), |
| SNDRV_PCM_IOCTL_CHANNEL_INFO = _IOR('A', 0x32, struct sndrv_pcm_channel_info), |
| SNDRV_PCM_IOCTL_PREPARE = _IO('A', 0x40), |
| SNDRV_PCM_IOCTL_RESET = _IO('A', 0x41), |
| SNDRV_PCM_IOCTL_START = _IO('A', 0x42), |
| SNDRV_PCM_IOCTL_DROP = _IO('A', 0x43), |
| SNDRV_PCM_IOCTL_DRAIN = _IO('A', 0x44), |
| SNDRV_PCM_IOCTL_PAUSE = _IOW('A', 0x45, int), |
| SNDRV_PCM_IOCTL_REWIND = _IOW('A', 0x46, sndrv_pcm_uframes_t), |
| SNDRV_PCM_IOCTL_RESUME = _IO('A', 0x47), |
| SNDRV_PCM_IOCTL_XRUN = _IO('A', 0x48), |
| SNDRV_PCM_IOCTL_FORWARD = _IOW('A', 0x49, sndrv_pcm_uframes_t), |
| SNDRV_PCM_IOCTL_WRITEI_FRAMES = _IOW('A', 0x50, struct sndrv_xferi), |
| SNDRV_PCM_IOCTL_READI_FRAMES = _IOR('A', 0x51, struct sndrv_xferi), |
| SNDRV_PCM_IOCTL_WRITEN_FRAMES = _IOW('A', 0x52, struct sndrv_xfern), |
| SNDRV_PCM_IOCTL_READN_FRAMES = _IOR('A', 0x53, struct sndrv_xfern), |
| SNDRV_PCM_IOCTL_LINK = _IOW('A', 0x60, int), |
| SNDRV_PCM_IOCTL_UNLINK = _IO('A', 0x61), |
| }; |
| |
| /* Trick to make alsa-lib/acinclude.m4 happy */ |
| #define SNDRV_PCM_IOCTL_REWIND SNDRV_PCM_IOCTL_REWIND |
| |
| /***************************************************************************** |
| * * |
| * MIDI v1.0 interface * |
| * * |
| *****************************************************************************/ |
| |
| /* |
| * Raw MIDI section - /dev/snd/midi?? |
| */ |
| |
| #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) |
| |
| enum sndrv_rawmidi_stream { |
| SNDRV_RAWMIDI_STREAM_OUTPUT = 0, |
| SNDRV_RAWMIDI_STREAM_INPUT, |
| SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, |
| }; |
| |
| #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 |
| #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 |
| #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 |
| |
| struct sndrv_rawmidi_info { |
| unsigned int device; /* RO/WR (control): device number */ |
| unsigned int subdevice; /* RO/WR (control): subdevice number */ |
| enum sndrv_rawmidi_stream stream; /* WR: stream */ |
| int card; /* R: card number */ |
| unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ |
| unsigned char id[64]; /* ID (user selectable) */ |
| unsigned char name[80]; /* name of device */ |
| unsigned char subname[32]; /* name of active or selected subdevice */ |
| unsigned int subdevices_count; |
| unsigned int subdevices_avail; |
| unsigned char reserved[64]; /* reserved for future use */ |
| }; |
| |
| struct sndrv_rawmidi_params { |
| enum sndrv_rawmidi_stream stream; |
| size_t buffer_size; /* queue size in bytes */ |
| size_t avail_min; /* minimum avail bytes for wakeup */ |
| unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ |
| unsigned char reserved[16]; /* reserved for future use */ |
| }; |
| |
| struct sndrv_rawmidi_status { |
| enum sndrv_rawmidi_stream stream; |
| struct timespec tstamp; /* Timestamp */ |
| size_t avail; /* available bytes */ |
| size_t xruns; /* count of overruns since last status (in bytes) */ |
| unsigned char reserved[16]; /* reserved for future use */ |
| }; |
| |
| enum { |
| SNDRV_RAWMIDI_IOCTL_PVERSION = _IOR('W', 0x00, int), |
| SNDRV_RAWMIDI_IOCTL_INFO = _IOR('W', 0x01, struct sndrv_rawmidi_info), |
| SNDRV_RAWMIDI_IOCTL_PARAMS = _IOWR('W', 0x10, struct sndrv_rawmidi_params), |
| SNDRV_RAWMIDI_IOCTL_STATUS = _IOWR('W', 0x20, struct sndrv_rawmidi_status), |
| SNDRV_RAWMIDI_IOCTL_DROP = _IOW('W', 0x30, int), |
| SNDRV_RAWMIDI_IOCTL_DRAIN = _IOW('W', 0x31, int), |
| }; |
| |
| /* |
| * Timer section - /dev/snd/timer |
| */ |
| |
| #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 5) |
| |
| enum sndrv_timer_class { |
| SNDRV_TIMER_CLASS_NONE = -1, |
| SNDRV_TIMER_CLASS_SLAVE = 0, |
| SNDRV_TIMER_CLASS_GLOBAL, |
| SNDRV_TIMER_CLASS_CARD, |
| SNDRV_TIMER_CLASS_PCM, |
| SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, |
| }; |
| |
| /* slave timer classes */ |
| enum sndrv_timer_slave_class { |
| SNDRV_TIMER_SCLASS_NONE = 0, |
| SNDRV_TIMER_SCLASS_APPLICATION, |
| SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ |
| SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ |
| SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, |
| }; |
| |
| /* global timers (device member) */ |
| #define SNDRV_TIMER_GLOBAL_SYSTEM 0 |
| #define SNDRV_TIMER_GLOBAL_RTC 1 |
| #define SNDRV_TIMER_GLOBAL_HPET 2 |
| |
| /* info flags */ |
| #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ |
| |
| struct sndrv_timer_id { |
| enum sndrv_timer_class dev_class; |
| enum sndrv_timer_slave_class dev_sclass; |
| int card; |
| int device; |
| int subdevice; |
| }; |
| |
| struct sndrv_timer_ginfo { |
| struct sndrv_timer_id tid; /* requested timer ID */ |
| unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
| int card; /* card number */ |
| unsigned char id[64]; /* timer identification */ |
| unsigned char name[80]; /* timer name */ |
| unsigned long reserved0; /* reserved for future use */ |
| unsigned long resolution; /* average period resolution in ns */ |
| unsigned long resolution_min; /* minimal period resolution in ns */ |
| unsigned long resolution_max; /* maximal period resolution in ns */ |
| unsigned int clients; /* active timer clients */ |
| unsigned char reserved[32]; |
| }; |
| |
| struct sndrv_timer_gparams { |
| struct sndrv_timer_id tid; /* requested timer ID */ |
| unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ |
| unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ |
| unsigned char reserved[32]; |
| }; |
| |
| struct sndrv_timer_gstatus { |
| struct sndrv_timer_id tid; /* requested timer ID */ |
| unsigned long resolution; /* current period resolution in ns */ |
| unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ |
| unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ |
| unsigned char reserved[32]; |
| }; |
| |
| struct sndrv_timer_select { |
| struct sndrv_timer_id id; /* bind to timer ID */ |
| unsigned char reserved[32]; /* reserved */ |
| }; |
| |
| struct sndrv_timer_info { |
| unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
| int card; /* card number */ |
| unsigned char id[64]; /* timer identificator */ |
| unsigned char name[80]; /* timer name */ |
| unsigned long reserved0; /* reserved for future use */ |
| unsigned long resolution; /* average period resolution in ns */ |
| unsigned char reserved[64]; /* reserved */ |
| }; |
| |
| #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ |
| #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ |
| #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ |
| |
| struct sndrv_timer_params { |
| unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ |
| unsigned int ticks; /* requested resolution in ticks */ |
| unsigned int queue_size; /* total size of queue (32-1024) */ |
| unsigned int reserved0; /* reserved, was: failure locations */ |
| unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ |
| unsigned char reserved[60]; /* reserved */ |
| }; |
| |
| struct sndrv_timer_status { |
| struct timespec tstamp; /* Timestamp - last update */ |
| unsigned int resolution; /* current period resolution in ns */ |
| unsigned int lost; /* counter of master tick lost */ |
| unsigned int overrun; /* count of read queue overruns */ |
| unsigned int queue; /* used queue size */ |
| unsigned char reserved[64]; /* reserved */ |
| }; |
| |
| enum { |
| SNDRV_TIMER_IOCTL_PVERSION = _IOR('T', 0x00, int), |
| SNDRV_TIMER_IOCTL_NEXT_DEVICE = _IOWR('T', 0x01, struct sndrv_timer_id), |
| SNDRV_TIMER_IOCTL_TREAD = _IOW('T', 0x02, int), |
| SNDRV_TIMER_IOCTL_GINFO = _IOWR('T', 0x03, struct sndrv_timer_ginfo), |
| SNDRV_TIMER_IOCTL_GPARAMS = _IOW('T', 0x04, struct sndrv_timer_gparams), |
| SNDRV_TIMER_IOCTL_GSTATUS = _IOWR('T', 0x05, struct sndrv_timer_gstatus), |
| SNDRV_TIMER_IOCTL_SELECT = _IOW('T', 0x10, struct sndrv_timer_select), |
| SNDRV_TIMER_IOCTL_INFO = _IOR('T', 0x11, struct sndrv_timer_info), |
| SNDRV_TIMER_IOCTL_PARAMS = _IOW('T', 0x12, struct sndrv_timer_params), |
| SNDRV_TIMER_IOCTL_STATUS = _IOR('T', 0x14, struct sndrv_timer_status), |
| /* The following four ioctls are changed since 1.0.9 due to confliction */ |
| SNDRV_TIMER_IOCTL_START = _IO('T', 0xa0), |
| SNDRV_TIMER_IOCTL_STOP = _IO('T', 0xa1), |
| SNDRV_TIMER_IOCTL_CONTINUE = _IO('T', 0xa2), |
| SNDRV_TIMER_IOCTL_PAUSE = _IO('T', 0xa3), |
| }; |
| |
| struct sndrv_timer_read { |
| unsigned int resolution; |
| unsigned int ticks; |
| }; |
| |
| enum sndrv_timer_event { |
| SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ |
| SNDRV_TIMER_EVENT_TICK, /* val = ticks */ |
| SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ |
| SNDRV_TIMER_EVENT_STOP, /* val = 0 */ |
| SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ |
| SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ |
| SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ |
| SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ |
| SNDRV_TIMER_EVENT_RESUME, /* val = 0 */ |
| /* master timer events for slave timer instances */ |
| SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, |
| SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, |
| SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, |
| SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, |
| SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, |
| SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, |
| }; |
| |
| struct sndrv_timer_tread { |
| enum sndrv_timer_event event; |
| struct timespec tstamp; |
| unsigned int val; |
| }; |
| |
| /**************************************************************************** |
| * * |
| * Section for driver control interface - /dev/snd/control? * |
| * * |
| ****************************************************************************/ |
| |
| #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 3) |
| |
| struct sndrv_ctl_card_info { |
| int card; /* card number */ |
| int pad; /* reserved for future (was type) */ |
| unsigned char id[16]; /* ID of card (user selectable) */ |
| unsigned char driver[16]; /* Driver name */ |
| unsigned char name[32]; /* Short name of soundcard */ |
| unsigned char longname[80]; /* name + info text about soundcard */ |
| unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ |
| unsigned char mixername[80]; /* visual mixer identification */ |
| unsigned char components[80]; /* card components / fine identification, delimited with one space (AC97 etc..) */ |
| unsigned char reserved[48]; /* reserved for future */ |
| }; |
| |
| enum sndrv_ctl_elem_type { |
| SNDRV_CTL_ELEM_TYPE_NONE = 0, /* invalid */ |
| SNDRV_CTL_ELEM_TYPE_BOOLEAN, /* boolean type */ |
| SNDRV_CTL_ELEM_TYPE_INTEGER, /* integer type */ |
| SNDRV_CTL_ELEM_TYPE_ENUMERATED, /* enumerated type */ |
| SNDRV_CTL_ELEM_TYPE_BYTES, /* byte array */ |
| SNDRV_CTL_ELEM_TYPE_IEC958, /* IEC958 (S/PDIF) setup */ |
| SNDRV_CTL_ELEM_TYPE_INTEGER64, /* 64-bit integer type */ |
| SNDRV_CTL_ELEM_TYPE_LAST = SNDRV_CTL_ELEM_TYPE_INTEGER64, |
| }; |
| |
| enum sndrv_ctl_elem_iface { |
| SNDRV_CTL_ELEM_IFACE_CARD = 0, /* global control */ |
| SNDRV_CTL_ELEM_IFACE_HWDEP, /* hardware dependent device */ |
| SNDRV_CTL_ELEM_IFACE_MIXER, /* virtual mixer device */ |
| SNDRV_CTL_ELEM_IFACE_PCM, /* PCM device */ |
| SNDRV_CTL_ELEM_IFACE_RAWMIDI, /* RawMidi device */ |
| SNDRV_CTL_ELEM_IFACE_TIMER, /* timer device */ |
| SNDRV_CTL_ELEM_IFACE_SEQUENCER, /* sequencer client */ |
| SNDRV_CTL_ELEM_IFACE_LAST = SNDRV_CTL_ELEM_IFACE_SEQUENCER, |
| }; |
| |
| #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) |
| #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) |
| #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) |
| #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ |
| #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<2) /* when was control changed */ |
| #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ |
| #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ |
| #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ |
| #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ |
| #define SNDRV_CTL_ELEM_ACCESS_DINDIRECT (1<<30) /* indirect access for matrix dimensions in the info structure */ |
| #define SNDRV_CTL_ELEM_ACCESS_INDIRECT (1<<31) /* indirect access for element value in the value structure */ |
| |
| /* for further details see the ACPI and PCI power management specification */ |
| #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ |
| #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ |
| #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ |
| #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ |
| #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ |
| #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ |
| |
| struct sndrv_ctl_elem_id { |
| unsigned int numid; /* numeric identifier, zero = invalid */ |
| enum sndrv_ctl_elem_iface iface; /* interface identifier */ |
| unsigned int device; /* device/client number */ |
| unsigned int subdevice; /* subdevice (substream) number */ |
| unsigned char name[44]; /* ASCII name of item */ |
| unsigned int index; /* index of item */ |
| }; |
| |
| struct sndrv_ctl_elem_list { |
| unsigned int offset; /* W: first element ID to get */ |
| unsigned int space; /* W: count of element IDs to get */ |
| unsigned int used; /* R: count of element IDs set */ |
| unsigned int count; /* R: count of all elements */ |
| struct sndrv_ctl_elem_id __user *pids; /* R: IDs */ |
| unsigned char reserved[50]; |
| }; |
| |
| struct sndrv_ctl_elem_info { |
| struct sndrv_ctl_elem_id id; /* W: element ID */ |
| enum sndrv_ctl_elem_type type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ |
| unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ |
| unsigned int count; /* count of values */ |
| pid_t owner; /* owner's PID of this control */ |
| union { |
| struct { |
| long min; /* R: minimum value */ |
| long max; /* R: maximum value */ |
| long step; /* R: step (0 variable) */ |
| } integer; |
| struct { |
| long long min; /* R: minimum value */ |
| long long max; /* R: maximum value */ |
| long long step; /* R: step (0 variable) */ |
| } integer64; |
| struct { |
| unsigned int items; /* R: number of items */ |
| unsigned int item; /* W: item number */ |
| char name[64]; /* R: value name */ |
| } enumerated; |
| unsigned char reserved[128]; |
| } value; |
| union { |
| unsigned short d[4]; /* dimensions */ |
| unsigned short *d_ptr; /* indirect */ |
| } dimen; |
| unsigned char reserved[64-4*sizeof(unsigned short)]; |
| }; |
| |
| struct sndrv_ctl_elem_value { |
| struct sndrv_ctl_elem_id id; /* W: element ID */ |
| unsigned int indirect: 1; /* W: use indirect pointer (xxx_ptr member) */ |
| union { |
| union { |
| long value[128]; |
| long *value_ptr; |
| } integer; |
| union { |
| long long value[64]; |
| long long *value_ptr; |
| } integer64; |
| union { |
| unsigned int item[128]; |
| unsigned int *item_ptr; |
| } enumerated; |
| union { |
| unsigned char data[512]; |
| unsigned char *data_ptr; |
| } bytes; |
| struct sndrv_aes_iec958 iec958; |
| } value; /* RO */ |
| struct timespec tstamp; |
| unsigned char reserved[128-sizeof(struct timespec)]; |
| }; |
| |
| enum { |
| SNDRV_CTL_IOCTL_PVERSION = _IOR('U', 0x00, int), |
| SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct sndrv_ctl_card_info), |
| SNDRV_CTL_IOCTL_ELEM_LIST = _IOWR('U', 0x10, struct sndrv_ctl_elem_list), |
| SNDRV_CTL_IOCTL_ELEM_INFO = _IOWR('U', 0x11, struct sndrv_ctl_elem_info), |
| SNDRV_CTL_IOCTL_ELEM_READ = _IOWR('U', 0x12, struct sndrv_ctl_elem_value), |
| SNDRV_CTL_IOCTL_ELEM_WRITE = _IOWR('U', 0x13, struct sndrv_ctl_elem_value), |
| SNDRV_CTL_IOCTL_ELEM_LOCK = _IOW('U', 0x14, struct sndrv_ctl_elem_id), |
| SNDRV_CTL_IOCTL_ELEM_UNLOCK = _IOW('U', 0x15, struct sndrv_ctl_elem_id), |
| SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS = _IOWR('U', 0x16, int), |
| SNDRV_CTL_IOCTL_ELEM_ADD = _IOWR('U', 0x17, struct sndrv_ctl_elem_info), |
| SNDRV_CTL_IOCTL_ELEM_REPLACE = _IOWR('U', 0x18, struct sndrv_ctl_elem_info), |
| SNDRV_CTL_IOCTL_ELEM_REMOVE = _IOWR('U', 0x19, struct sndrv_ctl_elem_id), |
| SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE = _IOWR('U', 0x20, int), |
| SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct sndrv_hwdep_info), |
| SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE = _IOR('U', 0x30, int), |
| SNDRV_CTL_IOCTL_PCM_INFO = _IOWR('U', 0x31, struct sndrv_pcm_info), |
| SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE = _IOW('U', 0x32, int), |
| SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE = _IOWR('U', 0x40, int), |
| SNDRV_CTL_IOCTL_RAWMIDI_INFO = _IOWR('U', 0x41, struct sndrv_rawmidi_info), |
| SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE = _IOW('U', 0x42, int), |
| SNDRV_CTL_IOCTL_POWER = _IOWR('U', 0xd0, int), |
| SNDRV_CTL_IOCTL_POWER_STATE = _IOR('U', 0xd1, int), |
| }; |
| |
| /* |
| * Read interface. |
| */ |
| |
| enum sndrv_ctl_event_type { |
| SNDRV_CTL_EVENT_ELEM = 0, |
| SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, |
| }; |
| |
| #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ |
| #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ |
| #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ |
| #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ |
| |
| struct sndrv_ctl_event { |
| enum sndrv_ctl_event_type type; /* event type - SNDRV_CTL_EVENT_* */ |
| union { |
| struct { |
| unsigned int mask; |
| struct sndrv_ctl_elem_id id; |
| } elem; |
| unsigned char data8[60]; |
| } data; |
| }; |
| |
| /* |
| * Control names |
| */ |
| |
| #define SNDRV_CTL_NAME_NONE "" |
| #define SNDRV_CTL_NAME_PLAYBACK "Playback " |
| #define SNDRV_CTL_NAME_CAPTURE "Capture " |
| |
| #define SNDRV_CTL_NAME_IEC958_NONE "" |
| #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" |
| #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" |
| #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" |
| #define SNDRV_CTL_NAME_IEC958_MASK "Mask" |
| #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" |
| #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" |
| #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" |
| #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what |
| |
| /* |
| * |
| */ |
| |
| struct sndrv_xferv { |
| const struct iovec *vector; |
| unsigned long count; |
| }; |
| |
| enum { |
| SNDRV_IOCTL_READV = _IOW('K', 0x00, struct sndrv_xferv), |
| SNDRV_IOCTL_WRITEV = _IOW('K', 0x01, struct sndrv_xferv), |
| }; |
| |
| #endif /* __SOUND_ASOUND_H */ |