diff options
Diffstat (limited to 'tools/include/uapi/sound/asound.h')
| -rw-r--r-- | tools/include/uapi/sound/asound.h | 1249 |
1 files changed, 1249 insertions, 0 deletions
diff --git a/tools/include/uapi/sound/asound.h b/tools/include/uapi/sound/asound.h new file mode 100644 index 0000000000..f9939da411 --- /dev/null +++ b/tools/include/uapi/sound/asound.h @@ -0,0 +1,1249 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +/* + * Advanced Linux Sound Architecture - ALSA - Driver + * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>, + * Abramo Bagnara <abramo@alsa-project.org> + */ + +#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) (((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 * + * * + ****************************************************************************/ + +#define AES_IEC958_STATUS_SIZE 24 + +struct snd_aes_iec958 { + unsigned char status[AES_IEC958_STATUS_SIZE]; /* 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 */ +}; + +/**************************************************************************** + * * + * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * + * * + ****************************************************************************/ + +struct snd_cea_861_aud_if { + unsigned char db1_ct_cc; /* coding type and channel count */ + unsigned char db2_sf_ss; /* sample frequency and size */ + unsigned char db3; /* not used, all zeros */ + unsigned char db4_ca; /* channel allocation code */ + unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */ +}; + +/**************************************************************************** + * * + * Section for driver hardware dependent interface - /dev/snd/hw? * + * * + ****************************************************************************/ + +#define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) + +enum { + 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 */ + SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ + SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ + SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */ + SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */ + SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */ + SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */ + SNDRV_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */ + SNDRV_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */ + SNDRV_HWDEP_IFACE_LINE6, /* Line6 USB processors */ + SNDRV_HWDEP_IFACE_FW_MOTU, /* MOTU FireWire series */ + SNDRV_HWDEP_IFACE_FW_FIREFACE, /* RME Fireface series */ + + /* Don't forget to change the following: */ + SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREFACE +}; + +struct snd_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 */ + int iface; /* hwdep interface */ + unsigned char reserved[64]; /* reserved for future */ +}; + +/* generic DSP loader */ +struct snd_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 snd_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 */ +}; + +#define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) +#define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) +#define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) +#define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) + +/***************************************************************************** + * * + * Digital Audio (PCM) interface - /dev/snd/pcm?? * + * * + *****************************************************************************/ + +#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 15) + +typedef unsigned long snd_pcm_uframes_t; +typedef signed long snd_pcm_sframes_t; + +enum { + 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_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_PLAYBACK = 0, + SNDRV_PCM_STREAM_CAPTURE, + SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, +}; + +typedef int __bitwise snd_pcm_access_t; +#define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ +#define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ +#define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ +#define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ +#define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ +#define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED + +typedef int __bitwise snd_pcm_format_t; +#define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) +#define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) +#define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) +#define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) +#define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) +#define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) +#define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ +#define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ +#define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ +#define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ +/* + * 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 ((__force snd_pcm_format_t) 10) +#define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) +#define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) +#define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) +#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 */ +#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 */ +#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 */ +#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 */ +#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ +#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ +#define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) +#define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) +#define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) +#define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) +#define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) +#define SNDRV_PCM_FORMAT_S20_LE ((__force snd_pcm_format_t) 25) /* in four bytes, LSB justified */ +#define SNDRV_PCM_FORMAT_S20_BE ((__force snd_pcm_format_t) 26) /* in four bytes, LSB justified */ +#define SNDRV_PCM_FORMAT_U20_LE ((__force snd_pcm_format_t) 27) /* in four bytes, LSB justified */ +#define SNDRV_PCM_FORMAT_U20_BE ((__force snd_pcm_format_t) 28) /* in four bytes, LSB justified */ +/* gap in the numbering for a future standard linear format */ +#define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) +#define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ +#define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ +#define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ +#define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ +#define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ +#define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ +#define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ +#define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ +#define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ +#define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ +#define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ +#define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ +#define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */ +#define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */ +#define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */ +#define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */ +#define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */ +#define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */ +#define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */ +#define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */ +#define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */ +#define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE +#define SNDRV_PCM_FORMAT_FIRST SNDRV_PCM_FORMAT_S8 + +#ifdef SNDRV_LITTLE_ENDIAN +#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE +#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE +#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE +#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE +#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE +#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE +#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE +#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE +#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE +#define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_LE +#define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_LE +#endif +#ifdef SNDRV_BIG_ENDIAN +#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE +#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE +#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE +#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE +#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE +#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE +#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE +#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE +#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE +#define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_BE +#define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_BE +#endif + +typedef int __bitwise snd_pcm_subformat_t; +#define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) +#define 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_SYNC_APPLPTR 0x00000020 /* need the explicit sync of appl_ptr update */ +#define SNDRV_PCM_INFO_PERFECT_DRAIN 0x00000040 /* silencing at the end of stream is not required */ +#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 */ +#define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */ +#define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* (Deprecated)has audio wall clock for audio/system time sync */ +#define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 /* report hardware link audio time, reset on startup */ +#define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 /* report absolute hardware link audio time, not reset on startup */ +#define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 /* report estimated link audio time */ +#define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 /* report synchronized audio/system time */ +#define SNDRV_PCM_INFO_EXPLICIT_SYNC 0x10000000 /* needs explicit sync of pointers and data */ +#define SNDRV_PCM_INFO_NO_REWINDS 0x20000000 /* hardware can only support monotonic changes of appl_ptr */ +#define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 /* internal kernel flag - trigger in drain */ +#define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ + +#if (__BITS_PER_LONG == 32 && defined(__USE_TIME_BITS64)) || defined __KERNEL__ +#define __SND_STRUCT_TIME64 +#endif + +typedef int __bitwise snd_pcm_state_t; +#define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ +#define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ +#define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ +#define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ +#define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ +#define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ +#define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ +#define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ +#define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ +#define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED + +enum { + SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, + SNDRV_PCM_MMAP_OFFSET_STATUS_OLD = 0x80000000, + SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD = 0x81000000, + SNDRV_PCM_MMAP_OFFSET_STATUS_NEW = 0x82000000, + SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW = 0x83000000, +#ifdef __SND_STRUCT_TIME64 + SNDRV_PCM_MMAP_OFFSET_STATUS = SNDRV_PCM_MMAP_OFFSET_STATUS_NEW, + SNDRV_PCM_MMAP_OFFSET_CONTROL = SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW, +#else + SNDRV_PCM_MMAP_OFFSET_STATUS = SNDRV_PCM_MMAP_OFFSET_STATUS_OLD, + SNDRV_PCM_MMAP_OFFSET_CONTROL = SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD, +#endif +}; + +union snd_pcm_sync_id { + unsigned char id[16]; + unsigned short id16[8]; + unsigned int id32[4]; +}; + +struct snd_pcm_info { + unsigned int device; /* RO/WR (control): device number */ + unsigned int subdevice; /* RO/WR (control): subdevice number */ + int stream; /* RO/WR (control): stream direction */ + 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 */ + int dev_class; /* SNDRV_PCM_CLASS_* */ + int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ + unsigned int subdevices_count; + unsigned int subdevices_avail; + union snd_pcm_sync_id sync; /* hardware synchronization ID */ + unsigned char reserved[64]; /* reserved for future... */ +}; + +typedef int snd_pcm_hw_param_t; +#define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ +#define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ +#define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ +#define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS +#define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT + +#define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ +#define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ +#define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ +#define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ +#define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between + * interrupts in us + */ +#define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between + * interrupts + */ +#define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between + * interrupts + */ +#define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per + * buffer + */ +#define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer + * in us + */ +#define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ +#define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ +#define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ +#define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS +#define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME + +#define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ +#define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */ +#define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */ +#define SNDRV_PCM_HW_PARAMS_NO_DRAIN_SILENCE (1<<3) /* suppress drain with the filling + * of the silence samples + */ + +struct snd_interval { + unsigned int min, max; + unsigned int openmin:1, + openmax:1, + integer:1, + empty:1; +}; + +#define SNDRV_MASK_MAX 256 + +struct snd_mask { + __u32 bits[(SNDRV_MASK_MAX+31)/32]; +}; + +struct snd_pcm_hw_params { + unsigned int flags; + struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - + SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; + struct snd_mask mres[5]; /* reserved masks */ + struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - + SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; + struct snd_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 */ + snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ + unsigned char reserved[64]; /* reserved for future */ +}; + +enum { + SNDRV_PCM_TSTAMP_NONE = 0, + SNDRV_PCM_TSTAMP_ENABLE, + SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, +}; + +struct snd_pcm_sw_params { + int tstamp_mode; /* timestamp mode */ + unsigned int period_step; + unsigned int sleep_min; /* min ticks to sleep */ + snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ + snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ + snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ + /* + * The following two thresholds alleviate playback buffer underruns; when + * hw_avail drops below the threshold, the respective action is triggered: + */ + snd_pcm_uframes_t stop_threshold; /* - stop playback */ + snd_pcm_uframes_t silence_threshold; /* - pre-fill buffer with silence */ + snd_pcm_uframes_t silence_size; /* max size of silence pre-fill; when >= boundary, + * fill played area with silence immediately */ + snd_pcm_uframes_t boundary; /* pointers wrap point */ + unsigned int proto; /* protocol version */ + unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */ + unsigned char reserved[56]; /* reserved for future */ +}; + +struct snd_pcm_channel_info { + unsigned int channel; + __kernel_off_t offset; /* mmap offset */ + unsigned int first; /* offset to first sample in bits */ + unsigned int step; /* samples distance in bits */ +}; + +enum { + /* + * first definition for backwards compatibility only, + * maps to wallclock/link time for HDAudio playback and DEFAULT/DMA time for everything else + */ + SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0, + + /* timestamp definitions */ + SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1, /* DMA time, reported as per hw_ptr */ + SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2, /* link time reported by sample or wallclock counter, reset on startup */ + SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3, /* link time reported by sample or wallclock counter, not reset on startup */ + SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4, /* link time estimated indirectly */ + SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5, /* link time synchronized with system time */ + SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED +}; + +#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 snd_pcm_mmap_status +#define __snd_pcm_mmap_control64 snd_pcm_mmap_control +#define __snd_pcm_sync_ptr64 snd_pcm_sync_ptr +#ifdef __KERNEL__ +#define __snd_timespec64 __kernel_timespec +#else +#define __snd_timespec64 timespec +#endif +struct __snd_timespec { + __s32 tv_sec; + __s32 tv_nsec; +}; +#else +#define __snd_pcm_mmap_status snd_pcm_mmap_status +#define __snd_pcm_mmap_control snd_pcm_mmap_control +#define __snd_pcm_sync_ptr snd_pcm_sync_ptr +#define __snd_timespec timespec +struct __snd_timespec64 { + __s64 tv_sec; + __s64 tv_nsec; +}; + +#endif + +struct __snd_pcm_mmap_status { + snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ + int pad1; /* Needed for 64 bit alignment */ + snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ + struct __snd_timespec tstamp; /* Timestamp */ + snd_pcm_state_t suspended_state; /* RO: suspended stream state */ + struct __snd_timespec audio_tstamp; /* from sample counter or wall clock */ +}; + +struct __snd_pcm_mmap_control { + snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ + snd_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 __snd_pcm_sync_ptr { + unsigned int flags; + union { + struct __snd_pcm_mmap_status status; + unsigned char reserved[64]; + } s; + union { + struct __snd_pcm_mmap_control control; + unsigned char reserved[64]; + } c; +}; + +#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) +typedef char __pad_before_uframe[0]; +typedef char __pad_after_uframe[sizeof(__u64) - sizeof(snd_pcm_uframes_t)]; +#endif + +struct __snd_pcm_mmap_status64 { + snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ + __u32 pad1; /* Needed for 64 bit alignment */ + __pad_before_uframe __pad1; + snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ + __pad_after_uframe __pad2; + struct __snd_timespec64 tstamp; /* Timestamp */ + snd_pcm_state_t suspended_state;/* RO: suspended stream state */ + __u32 pad3; /* Needed for 64 bit alignment */ + struct __snd_timespec64 audio_tstamp; /* sample counter or wall clock */ +}; + +struct __snd_pcm_mmap_control64 { + __pad_before_uframe __pad1; + snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ + __pad_before_uframe __pad2; // This should be __pad_after_uframe, but binary + // backwards compatibility constraints prevent a fix. + + __pad_before_uframe __pad3; + snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ + __pad_after_uframe __pad4; +}; + +struct __snd_pcm_sync_ptr64 { + __u32 flags; + __u32 pad1; + union { + struct __snd_pcm_mmap_status64 status; + unsigned char reserved[64]; + } s; + union { + struct __snd_pcm_mmap_control64 control; + unsigned char reserved[64]; + } c; +}; + +struct snd_xferi { + snd_pcm_sframes_t result; + void __user *buf; + snd_pcm_uframes_t frames; +}; + +struct snd_xfern { + snd_pcm_sframes_t result; + void __user * __user *bufs; + snd_pcm_uframes_t frames; +}; + +enum { + SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ + SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ + SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */ + SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, +}; + +/* channel positions */ +enum { + SNDRV_CHMAP_UNKNOWN = 0, + SNDRV_CHMAP_NA, /* N/A, silent */ + SNDRV_CHMAP_MONO, /* mono stream */ + /* this follows the alsa-lib mixer channel value + 3 */ + SNDRV_CHMAP_FL, /* front left */ + SNDRV_CHMAP_FR, /* front right */ + SNDRV_CHMAP_RL, /* rear left */ + SNDRV_CHMAP_RR, /* rear right */ + SNDRV_CHMAP_FC, /* front center */ + SNDRV_CHMAP_LFE, /* LFE */ + SNDRV_CHMAP_SL, /* side left */ + SNDRV_CHMAP_SR, /* side right */ + SNDRV_CHMAP_RC, /* rear center */ + /* new definitions */ + SNDRV_CHMAP_FLC, /* front left center */ + SNDRV_CHMAP_FRC, /* front right center */ + SNDRV_CHMAP_RLC, /* rear left center */ + SNDRV_CHMAP_RRC, /* rear right center */ + SNDRV_CHMAP_FLW, /* front left wide */ + SNDRV_CHMAP_FRW, /* front right wide */ + SNDRV_CHMAP_FLH, /* front left high */ + SNDRV_CHMAP_FCH, /* front center high */ + SNDRV_CHMAP_FRH, /* front right high */ + SNDRV_CHMAP_TC, /* top center */ + SNDRV_CHMAP_TFL, /* top front left */ + SNDRV_CHMAP_TFR, /* top front right */ + SNDRV_CHMAP_TFC, /* top front center */ + SNDRV_CHMAP_TRL, /* top rear left */ + SNDRV_CHMAP_TRR, /* top rear right */ + SNDRV_CHMAP_TRC, /* top rear center */ + /* new definitions for UAC2 */ + SNDRV_CHMAP_TFLC, /* top front left center */ + SNDRV_CHMAP_TFRC, /* top front right center */ + SNDRV_CHMAP_TSL, /* top side left */ + SNDRV_CHMAP_TSR, /* top side right */ + SNDRV_CHMAP_LLFE, /* left LFE */ + SNDRV_CHMAP_RLFE, /* right LFE */ + SNDRV_CHMAP_BC, /* bottom center */ + SNDRV_CHMAP_BLC, /* bottom left center */ + SNDRV_CHMAP_BRC, /* bottom right center */ + SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC, +}; + +#define SNDRV_CHMAP_POSITION_MASK 0xffff +#define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16) +#define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16) + +#define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) +#define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) +#define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) +#define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) +#define SNDRV_PCM_IOCTL_USER_PVERSION _IOW('A', 0x04, int) +#define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) +#define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) +#define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) +#define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) +#define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) +#define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) +#define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) +#define __SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct __snd_pcm_sync_ptr) +#define __SNDRV_PCM_IOCTL_SYNC_PTR64 _IOWR('A', 0x23, struct __snd_pcm_sync_ptr64) +#define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) +#define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status) +#define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) +#define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) +#define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) +#define SNDRV_PCM_IOCTL_START _IO('A', 0x42) +#define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) +#define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) +#define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) +#define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) +#define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) +#define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) +#define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) +#define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) +#define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) +#define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) +#define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) +#define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) +#define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) + +/***************************************************************************** + * * + * MIDI v1.0 interface * + * * + *****************************************************************************/ + +/* + * Raw MIDI section - /dev/snd/midi?? + */ + +#define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 4) + +enum { + 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 +#define SNDRV_RAWMIDI_INFO_UMP 0x00000008 + +struct snd_rawmidi_info { + unsigned int device; /* RO/WR (control): device number */ + unsigned int subdevice; /* RO/WR (control): subdevice number */ + int 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 */ +}; + +#define SNDRV_RAWMIDI_MODE_FRAMING_MASK (7<<0) +#define SNDRV_RAWMIDI_MODE_FRAMING_SHIFT 0 +#define SNDRV_RAWMIDI_MODE_FRAMING_NONE (0<<0) +#define SNDRV_RAWMIDI_MODE_FRAMING_TSTAMP (1<<0) +#define SNDRV_RAWMIDI_MODE_CLOCK_MASK (7<<3) +#define SNDRV_RAWMIDI_MODE_CLOCK_SHIFT 3 +#define SNDRV_RAWMIDI_MODE_CLOCK_NONE (0<<3) +#define SNDRV_RAWMIDI_MODE_CLOCK_REALTIME (1<<3) +#define SNDRV_RAWMIDI_MODE_CLOCK_MONOTONIC (2<<3) +#define SNDRV_RAWMIDI_MODE_CLOCK_MONOTONIC_RAW (3<<3) + +#define SNDRV_RAWMIDI_FRAMING_DATA_LENGTH 16 + +struct snd_rawmidi_framing_tstamp { + /* For now, frame_type is always 0. Midi 2.0 is expected to add new + * types here. Applications are expected to skip unknown frame types. + */ + __u8 frame_type; + __u8 length; /* number of valid bytes in data field */ + __u8 reserved[2]; + __u32 tv_nsec; /* nanoseconds */ + __u64 tv_sec; /* seconds */ + __u8 data[SNDRV_RAWMIDI_FRAMING_DATA_LENGTH]; +} __packed; + +struct snd_rawmidi_params { + int 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 int mode; /* For input data only, frame incoming data */ + unsigned char reserved[12]; /* reserved for future use */ +}; + +#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 0x01 + +/* UMP EP Protocol / JRTS capability bits */ +#define SNDRV_UMP_EP_INFO_PROTO_MIDI_MASK 0x0300 +#define SNDRV_UMP_EP_INFO_PROTO_MIDI1 0x0100 /* MIDI 1.0 */ +#define SNDRV_UMP_EP_INFO_PROTO_MIDI2 0x0200 /* MIDI 2.0 */ +#define SNDRV_UMP_EP_INFO_PROTO_JRTS_MASK 0x0003 +#define SNDRV_UMP_EP_INFO_PROTO_JRTS_TX 0x0001 /* JRTS Transmit */ +#define SNDRV_UMP_EP_INFO_PROTO_JRTS_RX 0x0002 /* JRTS Receive */ + +/* UMP Endpoint information */ +struct snd_ump_endpoint_info { + int card; /* card number */ + int device; /* device number */ + unsigned int flags; /* additional info */ + unsigned int protocol_caps; /* protocol capabilities */ + unsigned int protocol; /* current protocol */ + unsigned int num_blocks; /* # of function blocks */ + unsigned short version; /* UMP major/minor version */ + unsigned short family_id; /* MIDI device family ID */ + unsigned short model_id; /* MIDI family model ID */ + unsigned int manufacturer_id; /* MIDI manufacturer ID */ + unsigned char sw_revision[4]; /* software revision */ + unsigned short padding; + unsigned char name[128]; /* endpoint name string */ + unsigned char product_id[128]; /* unique product id string */ + unsigned char reserved[32]; +} __packed; + +/* UMP direction */ +#define SNDRV_UMP_DIR_INPUT 0x01 +#define SNDRV_UMP_DIR_OUTPUT 0x02 +#define SNDRV_UMP_DIR_BIDIRECTION 0x03 + +/* UMP block info flags */ +#define SNDRV_UMP_BLOCK_IS_MIDI1 (1U << 0) /* MIDI 1.0 port w/o restrict */ +#define SNDRV_UMP_BLOCK_IS_LOWSPEED (1U << 1) /* 31.25Kbps B/W MIDI1 port */ + +/* UMP block user-interface hint */ +#define SNDRV_UMP_BLOCK_UI_HINT_UNKNOWN 0x00 +#define SNDRV_UMP_BLOCK_UI_HINT_RECEIVER 0x01 +#define SNDRV_UMP_BLOCK_UI_HINT_SENDER 0x02 +#define SNDRV_UMP_BLOCK_UI_HINT_BOTH 0x03 + +/* UMP groups and blocks */ +#define SNDRV_UMP_MAX_GROUPS 16 +#define SNDRV_UMP_MAX_BLOCKS 32 + +/* UMP Block information */ +struct snd_ump_block_info { + int card; /* card number */ + int device; /* device number */ + unsigned char block_id; /* block ID (R/W) */ + unsigned char direction; /* UMP direction */ + unsigned char active; /* Activeness */ + unsigned char first_group; /* first group ID */ + unsigned char num_groups; /* number of groups */ + unsigned char midi_ci_version; /* MIDI-CI support version */ + unsigned char sysex8_streams; /* max number of sysex8 streams */ + unsigned char ui_hint; /* user interface hint */ + unsigned int flags; /* various info flags */ + unsigned char name[128]; /* block name string */ + unsigned char reserved[32]; +} __packed; + +#define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) +#define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) +#define SNDRV_RAWMIDI_IOCTL_USER_PVERSION _IOW('W', 0x02, int) +#define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) +#define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) +#define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) +#define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) +/* Additional ioctls for UMP rawmidi devices */ +#define SNDRV_UMP_IOCTL_ENDPOINT_INFO _IOR('W', 0x40, struct snd_ump_endpoint_info) +#define SNDRV_UMP_IOCTL_BLOCK_INFO _IOR('W', 0x41, struct snd_ump_block_info) + +/* + * Timer section - /dev/snd/timer + */ + +#define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) + +enum { + 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_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 /* unused */ +#define SNDRV_TIMER_GLOBAL_HPET 2 +#define SNDRV_TIMER_GLOBAL_HRTIMER 3 + +/* info flags */ +#define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ + +struct snd_timer_id { + int dev_class; + int dev_sclass; + int card; + int device; + int subdevice; +}; + +struct snd_timer_ginfo { + struct snd_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 snd_timer_gparams { + struct snd_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 snd_timer_gstatus { + struct snd_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 snd_timer_select { + struct snd_timer_id id; /* bind to timer ID */ + unsigned char reserved[32]; /* reserved */ +}; + +struct snd_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 snd_timer_params { + unsigned int flags; /* flags - SNDRV_TIMER_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 */ +}; + +#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 + +#define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) +#define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) +#define SNDRV_TIMER_IOCTL_TREAD_OLD _IOW('T', 0x02, int) +#define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) +#define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) +#define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) +#define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) +#define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) +#define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) +#define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) +/* The following four ioctls are changed since 1.0.9 due to confliction */ +#define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) +#define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) +#define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) +#define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) +#define SNDRV_TIMER_IOCTL_TREAD64 _IOW('T', 0xa4, int) + +#if __BITS_PER_LONG == 64 +#define SNDRV_TIMER_IOCTL_TREAD SNDRV_TIMER_IOCTL_TREAD_OLD +#else +#define SNDRV_TIMER_IOCTL_TREAD ((sizeof(__kernel_long_t) >= sizeof(time_t)) ? \ + SNDRV_TIMER_IOCTL_TREAD_OLD : \ + SNDRV_TIMER_IOCTL_TREAD64) +#endif + +struct snd_timer_read { + unsigned int resolution; + unsigned int ticks; +}; + +enum { + 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 = resolution in ns */ + /* 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, +}; + +#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 SNDRV_PROTOCOL_VERSION(2, 0, 9) + +struct snd_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[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ +}; + +typedef int __bitwise snd_ctl_elem_type_t; +#define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */ +#define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */ +#define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */ +#define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */ +#define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */ +#define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */ +#define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */ +#define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 + +typedef int __bitwise snd_ctl_elem_iface_t; +#define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */ +#define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */ +#define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */ +#define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */ +#define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */ +#define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */ +#define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */ +#define 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 */ +/* (1 << 3) is unused. */ +#define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */ +#define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */ +#define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) +#define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */ +#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_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */ +#define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ +/* 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 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 */ + +#define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44 + +struct snd_ctl_elem_id { + unsigned int numid; /* numeric identifier, zero = invalid */ + snd_ctl_elem_iface_t iface; /* interface identifier */ + unsigned int device; /* device/client number */ + unsigned int subdevice; /* subdevice (substream) number */ + unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* ASCII name of item */ + unsigned int index; /* index of item */ +}; + +struct snd_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 snd_ctl_elem_id __user *pids; /* R: IDs */ + unsigned char reserved[50]; +}; + +struct snd_ctl_elem_info { + struct snd_ctl_elem_id id; /* W: element ID */ + snd_ctl_elem_type_t 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 */ + __kernel_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 */ + __u64 names_ptr; /* W: names list (ELEM_ADD only) */ + unsigned int names_length; + } enumerated; + unsigned char reserved[128]; + } value; + unsigned char reserved[64]; +}; + +struct snd_ctl_elem_value { + struct snd_ctl_elem_id id; /* W: element ID */ + unsigned int indirect: 1; /* W: indirect access - obsoleted */ + union { + union { + long value[128]; + long *value_ptr; /* obsoleted */ + } integer; + union { + long long value[64]; + long long *value_ptr; /* obsoleted */ + } integer64; + union { + unsigned int item[128]; + unsigned int *item_ptr; /* obsoleted */ + } enumerated; + union { + unsigned char data[512]; + unsigned char *data_ptr; /* obsoleted */ + } bytes; + struct snd_aes_iec958 iec958; + } value; /* RO */ + unsigned char reserved[128]; +}; + +struct snd_ctl_tlv { + unsigned int numid; /* control element numeric identification */ + unsigned int length; /* in bytes aligned to 4 */ + unsigned int tlv[]; /* first TLV */ +}; + +#define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) +#define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) +#define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) +#define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) +#define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) +#define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) +#define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) +#define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) +#define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) +#define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) +#define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) +#define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) +#define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) +#define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) +#define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) +#define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) +#define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) +#define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) +#define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) +#define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) +#define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) +#define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) +#define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) +#define SNDRV_CTL_IOCTL_UMP_NEXT_DEVICE _IOWR('U', 0x43, int) +#define SNDRV_CTL_IOCTL_UMP_ENDPOINT_INFO _IOWR('U', 0x44, struct snd_ump_endpoint_info) +#define SNDRV_CTL_IOCTL_UMP_BLOCK_INFO _IOWR('U', 0x45, struct snd_ump_block_info) +#define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) +#define 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_TLV (1<<3) /* element TLV tree was changed */ +#define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ + +struct snd_ctl_event { + int type; /* event type - SNDRV_CTL_EVENT_* */ + union { + struct { + unsigned int mask; + struct snd_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 + +#endif /* _UAPI__SOUND_ASOUND_H */ |