/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Advanced Linux Sound Architecture - ALSA - Driver * Copyright (c) 1994-2003 by Jaroslav Kysela <[email protected]>, * Abramo Bagnara <[email protected]> */ #ifndef _UAPI__SOUND_ASOUND_H #define _UAPI__SOUND_ASOUND_H #if defined(__KERNEL__) || defined(__linux__) #include <linux/types.h> #include <asm/byteorder.h> #else #include <endian.h> #include <sys/ioctl.h> #endif #ifndef __KERNEL__ #include <stdlib.h> #include <time.h> #endif /* * protocol version */ #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) … #define SNDRV_PROTOCOL_MAJOR(version) … #define SNDRV_PROTOCOL_MINOR(version) … #define SNDRV_PROTOCOL_MICRO(version) … #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) … /**************************************************************************** * * * Digital audio interface * * * ****************************************************************************/ #define AES_IEC958_STATUS_SIZE … struct snd_aes_iec958 { … }; /**************************************************************************** * * * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * * * ****************************************************************************/ struct snd_cea_861_aud_if { … }; /**************************************************************************** * * * Section for driver hardware dependent interface - /dev/snd/hw? * * * ****************************************************************************/ #define SNDRV_HWDEP_VERSION … enum { … }; struct snd_hwdep_info { … }; /* generic DSP loader */ struct snd_hwdep_dsp_status { … }; struct snd_hwdep_dsp_image { … }; #define SNDRV_HWDEP_IOCTL_PVERSION … #define SNDRV_HWDEP_IOCTL_INFO … #define SNDRV_HWDEP_IOCTL_DSP_STATUS … #define SNDRV_HWDEP_IOCTL_DSP_LOAD … /***************************************************************************** * * * Digital Audio (PCM) interface - /dev/snd/pcm?? * * * *****************************************************************************/ #define SNDRV_PCM_VERSION … snd_pcm_uframes_t; snd_pcm_sframes_t; enum { … }; enum { … }; enum { … }; snd_pcm_access_t; #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED … #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED … #define SNDRV_PCM_ACCESS_MMAP_COMPLEX … #define SNDRV_PCM_ACCESS_RW_INTERLEAVED … #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED … #define SNDRV_PCM_ACCESS_LAST … snd_pcm_format_t; #define SNDRV_PCM_FORMAT_S8 … #define SNDRV_PCM_FORMAT_U8 … #define SNDRV_PCM_FORMAT_S16_LE … #define SNDRV_PCM_FORMAT_S16_BE … #define SNDRV_PCM_FORMAT_U16_LE … #define SNDRV_PCM_FORMAT_U16_BE … #define SNDRV_PCM_FORMAT_S24_LE … #define SNDRV_PCM_FORMAT_S24_BE … #define SNDRV_PCM_FORMAT_U24_LE … #define SNDRV_PCM_FORMAT_U24_BE … /* * For S32/U32 formats, 'msbits' hardware parameter is often used to deliver information about the * available bit count in most significant bit. It's for the case of so-called 'left-justified' or * `right-padding` sample which has less width than 32 bit. */ #define SNDRV_PCM_FORMAT_S32_LE … #define SNDRV_PCM_FORMAT_S32_BE … #define SNDRV_PCM_FORMAT_U32_LE … #define SNDRV_PCM_FORMAT_U32_BE … #define SNDRV_PCM_FORMAT_FLOAT_LE … #define SNDRV_PCM_FORMAT_FLOAT_BE … #define SNDRV_PCM_FORMAT_FLOAT64_LE … #define SNDRV_PCM_FORMAT_FLOAT64_BE … #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE … #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE … #define SNDRV_PCM_FORMAT_MU_LAW … #define SNDRV_PCM_FORMAT_A_LAW … #define SNDRV_PCM_FORMAT_IMA_ADPCM … #define SNDRV_PCM_FORMAT_MPEG … #define SNDRV_PCM_FORMAT_GSM … #define SNDRV_PCM_FORMAT_S20_LE … #define SNDRV_PCM_FORMAT_S20_BE … #define SNDRV_PCM_FORMAT_U20_LE … #define SNDRV_PCM_FORMAT_U20_BE … /* gap in the numbering for a future standard linear format */ #define SNDRV_PCM_FORMAT_SPECIAL … #define SNDRV_PCM_FORMAT_S24_3LE … #define SNDRV_PCM_FORMAT_S24_3BE … #define SNDRV_PCM_FORMAT_U24_3LE … #define SNDRV_PCM_FORMAT_U24_3BE … #define SNDRV_PCM_FORMAT_S20_3LE … #define SNDRV_PCM_FORMAT_S20_3BE … #define SNDRV_PCM_FORMAT_U20_3LE … #define SNDRV_PCM_FORMAT_U20_3BE … #define SNDRV_PCM_FORMAT_S18_3LE … #define SNDRV_PCM_FORMAT_S18_3BE … #define SNDRV_PCM_FORMAT_U18_3LE … #define SNDRV_PCM_FORMAT_U18_3BE … #define SNDRV_PCM_FORMAT_G723_24 … #define SNDRV_PCM_FORMAT_G723_24_1B … #define SNDRV_PCM_FORMAT_G723_40 … #define SNDRV_PCM_FORMAT_G723_40_1B … #define SNDRV_PCM_FORMAT_DSD_U8 … #define SNDRV_PCM_FORMAT_DSD_U16_LE … #define SNDRV_PCM_FORMAT_DSD_U32_LE … #define SNDRV_PCM_FORMAT_DSD_U16_BE … #define SNDRV_PCM_FORMAT_DSD_U32_BE … #define SNDRV_PCM_FORMAT_LAST … #define SNDRV_PCM_FORMAT_FIRST … #ifdef SNDRV_LITTLE_ENDIAN #define SNDRV_PCM_FORMAT_S16 … #define SNDRV_PCM_FORMAT_U16 … #define SNDRV_PCM_FORMAT_S24 … #define SNDRV_PCM_FORMAT_U24 … #define SNDRV_PCM_FORMAT_S32 … #define SNDRV_PCM_FORMAT_U32 … #define SNDRV_PCM_FORMAT_FLOAT … #define SNDRV_PCM_FORMAT_FLOAT64 … #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME … #define SNDRV_PCM_FORMAT_S20 … #define SNDRV_PCM_FORMAT_U20 … #endif #ifdef SNDRV_BIG_ENDIAN #define SNDRV_PCM_FORMAT_S16 … #define SNDRV_PCM_FORMAT_U16 … #define SNDRV_PCM_FORMAT_S24 … #define SNDRV_PCM_FORMAT_U24 … #define SNDRV_PCM_FORMAT_S32 … #define SNDRV_PCM_FORMAT_U32 … #define SNDRV_PCM_FORMAT_FLOAT … #define SNDRV_PCM_FORMAT_FLOAT64 … #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME … #define SNDRV_PCM_FORMAT_S20 … #define SNDRV_PCM_FORMAT_U20 … #endif snd_pcm_subformat_t; #define SNDRV_PCM_SUBFORMAT_STD … #define SNDRV_PCM_SUBFORMAT_MSBITS_MAX … #define SNDRV_PCM_SUBFORMAT_MSBITS_20 … #define SNDRV_PCM_SUBFORMAT_MSBITS_24 … #define SNDRV_PCM_SUBFORMAT_LAST … #define SNDRV_PCM_INFO_MMAP … #define SNDRV_PCM_INFO_MMAP_VALID … #define SNDRV_PCM_INFO_DOUBLE … #define SNDRV_PCM_INFO_BATCH … #define SNDRV_PCM_INFO_SYNC_APPLPTR … #define SNDRV_PCM_INFO_PERFECT_DRAIN … #define SNDRV_PCM_INFO_INTERLEAVED … #define SNDRV_PCM_INFO_NONINTERLEAVED … #define SNDRV_PCM_INFO_COMPLEX … #define SNDRV_PCM_INFO_BLOCK_TRANSFER … #define SNDRV_PCM_INFO_OVERRANGE … #define SNDRV_PCM_INFO_RESUME … #define SNDRV_PCM_INFO_PAUSE … #define SNDRV_PCM_INFO_HALF_DUPLEX … #define SNDRV_PCM_INFO_JOINT_DUPLEX … #define SNDRV_PCM_INFO_SYNC_START … #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP … #define SNDRV_PCM_INFO_HAS_WALL_CLOCK … #define SNDRV_PCM_INFO_HAS_LINK_ATIME … #define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME … #define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME … #define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME … #define SNDRV_PCM_INFO_EXPLICIT_SYNC … #define SNDRV_PCM_INFO_NO_REWINDS … #define SNDRV_PCM_INFO_DRAIN_TRIGGER … #define SNDRV_PCM_INFO_FIFO_IN_FRAMES … #if (__BITS_PER_LONG == 32 && defined(__USE_TIME_BITS64)) || defined __KERNEL__ #define __SND_STRUCT_TIME64 #endif snd_pcm_state_t; #define SNDRV_PCM_STATE_OPEN … #define SNDRV_PCM_STATE_SETUP … #define SNDRV_PCM_STATE_PREPARED … #define SNDRV_PCM_STATE_RUNNING … #define SNDRV_PCM_STATE_XRUN … #define SNDRV_PCM_STATE_DRAINING … #define SNDRV_PCM_STATE_PAUSED … #define SNDRV_PCM_STATE_SUSPENDED … #define SNDRV_PCM_STATE_DISCONNECTED … #define SNDRV_PCM_STATE_LAST … enum { … }; snd_pcm_sync_id __attribute__((deprecated …)); struct snd_pcm_info { … }; snd_pcm_hw_param_t; #define SNDRV_PCM_HW_PARAM_ACCESS … #define SNDRV_PCM_HW_PARAM_FORMAT … #define SNDRV_PCM_HW_PARAM_SUBFORMAT … #define SNDRV_PCM_HW_PARAM_FIRST_MASK … #define SNDRV_PCM_HW_PARAM_LAST_MASK … #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS … #define SNDRV_PCM_HW_PARAM_FRAME_BITS … #define SNDRV_PCM_HW_PARAM_CHANNELS … #define SNDRV_PCM_HW_PARAM_RATE … #define SNDRV_PCM_HW_PARAM_PERIOD_TIME … #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE … #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES … #define SNDRV_PCM_HW_PARAM_PERIODS … #define SNDRV_PCM_HW_PARAM_BUFFER_TIME … #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE … #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES … #define SNDRV_PCM_HW_PARAM_TICK_TIME … #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL … #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL … #define SNDRV_PCM_HW_PARAMS_NORESAMPLE … #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER … #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP … #define SNDRV_PCM_HW_PARAMS_NO_DRAIN_SILENCE … struct snd_interval { … }; #define SNDRV_MASK_MAX … struct snd_mask { … }; struct snd_pcm_hw_params { … }; enum { … }; struct snd_pcm_sw_params { … }; struct snd_pcm_channel_info { … }; enum { … }; #ifndef __KERNEL__ /* explicit padding avoids incompatibility between i386 and x86-64 */ typedef struct { unsigned char pad[sizeof(time_t) - sizeof(int)]; } __time_pad; struct snd_pcm_status { snd_pcm_state_t state; /* stream state */ __time_pad pad1; /* align to timespec */ struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ struct timespec tstamp; /* reference timestamp */ snd_pcm_uframes_t appl_ptr; /* appl ptr */ snd_pcm_uframes_t hw_ptr; /* hw ptr */ snd_pcm_sframes_t delay; /* current delay in frames */ snd_pcm_uframes_t avail; /* number of frames available */ snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ snd_pcm_state_t suspended_state; /* suspended stream state */ __u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */ struct timespec audio_tstamp; /* sample counter, wall clock, PHC or on-demand sync'ed */ struct timespec driver_tstamp; /* useful in case reference system tstamp is reported with delay */ __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */ unsigned char reserved[52-2*sizeof(struct timespec)]; /* must be filled with zero */ }; #endif /* * For mmap operations, we need the 64-bit layout, both for compat mode, * and for y2038 compatibility. For 64-bit applications, the two definitions * are identical, so we keep the traditional version. */ #ifdef __SND_STRUCT_TIME64 #define __snd_pcm_mmap_status64 … #define __snd_pcm_mmap_control64 … #define __snd_pcm_sync_ptr64 … #ifdef __KERNEL__ #define __snd_timespec64 … #else #define __snd_timespec64 … #endif struct __snd_timespec { … }; #else #define __snd_pcm_mmap_status … #define __snd_pcm_mmap_control … #define __snd_pcm_sync_ptr … #define __snd_timespec … struct __snd_timespec64 { __s64 tv_sec; __s64 tv_nsec; }; #endif struct __snd_pcm_mmap_status { … }; struct __snd_pcm_mmap_control { … }; #define SNDRV_PCM_SYNC_PTR_HWSYNC … #define SNDRV_PCM_SYNC_PTR_APPL … #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN … struct __snd_pcm_sync_ptr { … }; #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN) typedef char __pad_before_uframe[sizeof(__u64) - sizeof(snd_pcm_uframes_t)]; typedef char __pad_after_uframe[0]; #endif #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN) __pad_before_uframe; __pad_after_uframe; #endif struct __snd_pcm_mmap_status64 { … }; struct __snd_pcm_mmap_control64 { … }; struct __snd_pcm_sync_ptr64 { … }; struct snd_xferi { … }; struct snd_xfern { … }; enum { … }; /* channel positions */ enum { … }; #define SNDRV_CHMAP_POSITION_MASK … #define SNDRV_CHMAP_PHASE_INVERSE … #define SNDRV_CHMAP_DRIVER_SPEC … #define SNDRV_PCM_IOCTL_PVERSION … #define SNDRV_PCM_IOCTL_INFO … #define SNDRV_PCM_IOCTL_TSTAMP … #define SNDRV_PCM_IOCTL_TTSTAMP … #define SNDRV_PCM_IOCTL_USER_PVERSION … #define SNDRV_PCM_IOCTL_HW_REFINE … #define SNDRV_PCM_IOCTL_HW_PARAMS … #define SNDRV_PCM_IOCTL_HW_FREE … #define SNDRV_PCM_IOCTL_SW_PARAMS … #define SNDRV_PCM_IOCTL_STATUS … #define SNDRV_PCM_IOCTL_DELAY … #define SNDRV_PCM_IOCTL_HWSYNC … #define __SNDRV_PCM_IOCTL_SYNC_PTR … #define __SNDRV_PCM_IOCTL_SYNC_PTR64 … #define SNDRV_PCM_IOCTL_SYNC_PTR … #define SNDRV_PCM_IOCTL_STATUS_EXT … #define SNDRV_PCM_IOCTL_CHANNEL_INFO … #define SNDRV_PCM_IOCTL_PREPARE … #define SNDRV_PCM_IOCTL_RESET … #define SNDRV_PCM_IOCTL_START … #define SNDRV_PCM_IOCTL_DROP … #define SNDRV_PCM_IOCTL_DRAIN … #define SNDRV_PCM_IOCTL_PAUSE … #define SNDRV_PCM_IOCTL_REWIND … #define SNDRV_PCM_IOCTL_RESUME … #define SNDRV_PCM_IOCTL_XRUN … #define SNDRV_PCM_IOCTL_FORWARD … #define SNDRV_PCM_IOCTL_WRITEI_FRAMES … #define SNDRV_PCM_IOCTL_READI_FRAMES … #define SNDRV_PCM_IOCTL_WRITEN_FRAMES … #define SNDRV_PCM_IOCTL_READN_FRAMES … #define SNDRV_PCM_IOCTL_LINK … #define SNDRV_PCM_IOCTL_UNLINK … /***************************************************************************** * * * MIDI v1.0 interface * * * *****************************************************************************/ /* * Raw MIDI section - /dev/snd/midi?? */ #define SNDRV_RAWMIDI_VERSION … enum { … }; #define SNDRV_RAWMIDI_INFO_OUTPUT … #define SNDRV_RAWMIDI_INFO_INPUT … #define SNDRV_RAWMIDI_INFO_DUPLEX … #define SNDRV_RAWMIDI_INFO_UMP … struct snd_rawmidi_info { … }; #define SNDRV_RAWMIDI_MODE_FRAMING_MASK … #define SNDRV_RAWMIDI_MODE_FRAMING_SHIFT … #define SNDRV_RAWMIDI_MODE_FRAMING_NONE … #define SNDRV_RAWMIDI_MODE_FRAMING_TSTAMP … #define SNDRV_RAWMIDI_MODE_CLOCK_MASK … #define SNDRV_RAWMIDI_MODE_CLOCK_SHIFT … #define SNDRV_RAWMIDI_MODE_CLOCK_NONE … #define SNDRV_RAWMIDI_MODE_CLOCK_REALTIME … #define SNDRV_RAWMIDI_MODE_CLOCK_MONOTONIC … #define SNDRV_RAWMIDI_MODE_CLOCK_MONOTONIC_RAW … #define SNDRV_RAWMIDI_FRAMING_DATA_LENGTH … struct snd_rawmidi_framing_tstamp { … } __packed; struct snd_rawmidi_params { … }; #ifndef __KERNEL__ struct snd_rawmidi_status { int stream; __time_pad pad1; 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 */ }; #endif /* UMP EP info flags */ #define SNDRV_UMP_EP_INFO_STATIC_BLOCKS … /* UMP EP Protocol / JRTS capability bits */ #define SNDRV_UMP_EP_INFO_PROTO_MIDI_MASK … #define SNDRV_UMP_EP_INFO_PROTO_MIDI1 … #define SNDRV_UMP_EP_INFO_PROTO_MIDI2 … #define SNDRV_UMP_EP_INFO_PROTO_JRTS_MASK … #define SNDRV_UMP_EP_INFO_PROTO_JRTS_TX … #define SNDRV_UMP_EP_INFO_PROTO_JRTS_RX … /* UMP Endpoint information */ struct snd_ump_endpoint_info { … } __packed; /* UMP direction */ #define SNDRV_UMP_DIR_INPUT … #define SNDRV_UMP_DIR_OUTPUT … #define SNDRV_UMP_DIR_BIDIRECTION … /* UMP block info flags */ #define SNDRV_UMP_BLOCK_IS_MIDI1 … #define SNDRV_UMP_BLOCK_IS_LOWSPEED … /* UMP block user-interface hint */ #define SNDRV_UMP_BLOCK_UI_HINT_UNKNOWN … #define SNDRV_UMP_BLOCK_UI_HINT_RECEIVER … #define SNDRV_UMP_BLOCK_UI_HINT_SENDER … #define SNDRV_UMP_BLOCK_UI_HINT_BOTH … /* UMP groups and blocks */ #define SNDRV_UMP_MAX_GROUPS … #define SNDRV_UMP_MAX_BLOCKS … /* UMP Block information */ struct snd_ump_block_info { … } __packed; #define SNDRV_RAWMIDI_IOCTL_PVERSION … #define SNDRV_RAWMIDI_IOCTL_INFO … #define SNDRV_RAWMIDI_IOCTL_USER_PVERSION … #define SNDRV_RAWMIDI_IOCTL_PARAMS … #define SNDRV_RAWMIDI_IOCTL_STATUS … #define SNDRV_RAWMIDI_IOCTL_DROP … #define SNDRV_RAWMIDI_IOCTL_DRAIN … /* Additional ioctls for UMP rawmidi devices */ #define SNDRV_UMP_IOCTL_ENDPOINT_INFO … #define SNDRV_UMP_IOCTL_BLOCK_INFO … /* * Timer section - /dev/snd/timer */ #define SNDRV_TIMER_VERSION … enum { … }; /* slave timer classes */ enum { … }; /* global timers (device member) */ #define SNDRV_TIMER_GLOBAL_SYSTEM … #define SNDRV_TIMER_GLOBAL_RTC … #define SNDRV_TIMER_GLOBAL_HPET … #define SNDRV_TIMER_GLOBAL_HRTIMER … #define SNDRV_TIMER_GLOBAL_UDRIVEN … /* info flags */ #define SNDRV_TIMER_FLG_SLAVE … struct snd_timer_id { … }; struct snd_timer_ginfo { … }; struct snd_timer_gparams { … }; struct snd_timer_gstatus { … }; struct snd_timer_select { … }; struct snd_timer_info { … }; #define SNDRV_TIMER_PSFLG_AUTO … #define SNDRV_TIMER_PSFLG_EXCLUSIVE … #define SNDRV_TIMER_PSFLG_EARLY_EVENT … struct snd_timer_params { … }; #ifndef __KERNEL__ struct snd_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 */ }; #endif /* * This structure describes the userspace-driven timer. Such timers are purely virtual, * and can only be triggered from software (for instance, by userspace application). */ struct snd_timer_uinfo { … }; #define SNDRV_TIMER_IOCTL_PVERSION … #define SNDRV_TIMER_IOCTL_NEXT_DEVICE … #define SNDRV_TIMER_IOCTL_TREAD_OLD … #define SNDRV_TIMER_IOCTL_GINFO … #define SNDRV_TIMER_IOCTL_GPARAMS … #define SNDRV_TIMER_IOCTL_GSTATUS … #define SNDRV_TIMER_IOCTL_SELECT … #define SNDRV_TIMER_IOCTL_INFO … #define SNDRV_TIMER_IOCTL_PARAMS … #define SNDRV_TIMER_IOCTL_STATUS … /* The following four ioctls are changed since 1.0.9 due to confliction */ #define SNDRV_TIMER_IOCTL_START … #define SNDRV_TIMER_IOCTL_STOP … #define SNDRV_TIMER_IOCTL_CONTINUE … #define SNDRV_TIMER_IOCTL_PAUSE … #define SNDRV_TIMER_IOCTL_TREAD64 … #define SNDRV_TIMER_IOCTL_CREATE … #define SNDRV_TIMER_IOCTL_TRIGGER … #if __BITS_PER_LONG == 64 #define SNDRV_TIMER_IOCTL_TREAD … #else #define SNDRV_TIMER_IOCTL_TREAD … #endif struct snd_timer_read { … }; enum { … }; #ifndef __KERNEL__ struct snd_timer_tread { int event; __time_pad pad1; struct timespec tstamp; unsigned int val; __time_pad pad2; }; #endif /**************************************************************************** * * * Section for driver control interface - /dev/snd/control? * * * ****************************************************************************/ #define SNDRV_CTL_VERSION … struct snd_ctl_card_info { … }; snd_ctl_elem_type_t; #define SNDRV_CTL_ELEM_TYPE_NONE … #define SNDRV_CTL_ELEM_TYPE_BOOLEAN … #define SNDRV_CTL_ELEM_TYPE_INTEGER … #define SNDRV_CTL_ELEM_TYPE_ENUMERATED … #define SNDRV_CTL_ELEM_TYPE_BYTES … #define SNDRV_CTL_ELEM_TYPE_IEC958 … #define SNDRV_CTL_ELEM_TYPE_INTEGER64 … #define SNDRV_CTL_ELEM_TYPE_LAST … snd_ctl_elem_iface_t; #define SNDRV_CTL_ELEM_IFACE_CARD … #define SNDRV_CTL_ELEM_IFACE_HWDEP … #define SNDRV_CTL_ELEM_IFACE_MIXER … #define SNDRV_CTL_ELEM_IFACE_PCM … #define SNDRV_CTL_ELEM_IFACE_RAWMIDI … #define SNDRV_CTL_ELEM_IFACE_TIMER … #define SNDRV_CTL_ELEM_IFACE_SEQUENCER … #define SNDRV_CTL_ELEM_IFACE_LAST … #define SNDRV_CTL_ELEM_ACCESS_READ … #define SNDRV_CTL_ELEM_ACCESS_WRITE … #define SNDRV_CTL_ELEM_ACCESS_READWRITE … #define SNDRV_CTL_ELEM_ACCESS_VOLATILE … /* (1 << 3) is unused. */ #define SNDRV_CTL_ELEM_ACCESS_TLV_READ … #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE … #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE … #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND … #define SNDRV_CTL_ELEM_ACCESS_INACTIVE … #define SNDRV_CTL_ELEM_ACCESS_LOCK … #define SNDRV_CTL_ELEM_ACCESS_OWNER … #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK … #define SNDRV_CTL_ELEM_ACCESS_USER … /* bits 30 and 31 are obsoleted (for indirect access) */ /* for further details see the ACPI and PCI power management specification */ #define SNDRV_CTL_POWER_D0 … #define SNDRV_CTL_POWER_D1 … #define SNDRV_CTL_POWER_D2 … #define SNDRV_CTL_POWER_D3 … #define SNDRV_CTL_POWER_D3hot … #define SNDRV_CTL_POWER_D3cold … #define SNDRV_CTL_ELEM_ID_NAME_MAXLEN … struct snd_ctl_elem_id { … }; struct snd_ctl_elem_list { … }; struct snd_ctl_elem_info { … }; struct snd_ctl_elem_value { … }; struct snd_ctl_tlv { … }; #define SNDRV_CTL_IOCTL_PVERSION … #define SNDRV_CTL_IOCTL_CARD_INFO … #define SNDRV_CTL_IOCTL_ELEM_LIST … #define SNDRV_CTL_IOCTL_ELEM_INFO … #define SNDRV_CTL_IOCTL_ELEM_READ … #define SNDRV_CTL_IOCTL_ELEM_WRITE … #define SNDRV_CTL_IOCTL_ELEM_LOCK … #define SNDRV_CTL_IOCTL_ELEM_UNLOCK … #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS … #define SNDRV_CTL_IOCTL_ELEM_ADD … #define SNDRV_CTL_IOCTL_ELEM_REPLACE … #define SNDRV_CTL_IOCTL_ELEM_REMOVE … #define SNDRV_CTL_IOCTL_TLV_READ … #define SNDRV_CTL_IOCTL_TLV_WRITE … #define SNDRV_CTL_IOCTL_TLV_COMMAND … #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE … #define SNDRV_CTL_IOCTL_HWDEP_INFO … #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE … #define SNDRV_CTL_IOCTL_PCM_INFO … #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE … #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE … #define SNDRV_CTL_IOCTL_RAWMIDI_INFO … #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE … #define SNDRV_CTL_IOCTL_UMP_NEXT_DEVICE … #define SNDRV_CTL_IOCTL_UMP_ENDPOINT_INFO … #define SNDRV_CTL_IOCTL_UMP_BLOCK_INFO … #define SNDRV_CTL_IOCTL_POWER … #define SNDRV_CTL_IOCTL_POWER_STATE … /* * Read interface. */ enum sndrv_ctl_event_type { … }; #define SNDRV_CTL_EVENT_MASK_VALUE … #define SNDRV_CTL_EVENT_MASK_INFO … #define SNDRV_CTL_EVENT_MASK_ADD … #define SNDRV_CTL_EVENT_MASK_TLV … #define SNDRV_CTL_EVENT_MASK_REMOVE … struct snd_ctl_event { … }; /* * Control names */ #define SNDRV_CTL_NAME_NONE … #define SNDRV_CTL_NAME_PLAYBACK … #define SNDRV_CTL_NAME_CAPTURE … #define SNDRV_CTL_NAME_IEC958_NONE … #define SNDRV_CTL_NAME_IEC958_SWITCH … #define SNDRV_CTL_NAME_IEC958_VOLUME … #define SNDRV_CTL_NAME_IEC958_DEFAULT … #define SNDRV_CTL_NAME_IEC958_MASK … #define SNDRV_CTL_NAME_IEC958_CON_MASK … #define SNDRV_CTL_NAME_IEC958_PRO_MASK … #define SNDRV_CTL_NAME_IEC958_PCM_STREAM … #define SNDRV_CTL_NAME_IEC958(expl,direction,what) … #endif /* _UAPI__SOUND_ASOUND_H */
Codebase Browser
linux