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1166 lines
50 KiB
1166 lines
50 KiB
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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/* |
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* Advanced Linux Sound Architecture - ALSA - Driver |
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* Copyright (c) 1994-2003 by Jaroslav Kysela <[email protected]>, |
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* Abramo Bagnara <[email protected]> |
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*/ |
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#ifndef _UAPI__SOUND_ASOUND_H |
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#define _UAPI__SOUND_ASOUND_H |
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#if defined(__KERNEL__) || defined(__linux__) |
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#include <linux/types.h> |
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#include <asm/byteorder.h> |
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#else |
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#include <endian.h> |
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#include <sys/ioctl.h> |
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#endif |
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#ifndef __KERNEL__ |
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#include <stdlib.h> |
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#include <time.h> |
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#endif |
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/* |
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* protocol version |
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*/ |
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#define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) |
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#define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) |
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#define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) |
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#define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) |
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#define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ |
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(SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ |
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(SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ |
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SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) |
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/**************************************************************************** |
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* * |
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* Digital audio interface * |
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* * |
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****************************************************************************/ |
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#define AES_IEC958_STATUS_SIZE 24 |
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struct snd_aes_iec958 { |
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unsigned char status[AES_IEC958_STATUS_SIZE]; /* AES/IEC958 channel status bits */ |
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unsigned char subcode[147]; /* AES/IEC958 subcode bits */ |
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unsigned char pad; /* nothing */ |
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unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ |
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}; |
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/**************************************************************************** |
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* * |
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* CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * |
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* * |
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****************************************************************************/ |
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struct snd_cea_861_aud_if { |
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unsigned char db1_ct_cc; /* coding type and channel count */ |
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unsigned char db2_sf_ss; /* sample frequency and size */ |
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unsigned char db3; /* not used, all zeros */ |
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unsigned char db4_ca; /* channel allocation code */ |
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unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */ |
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}; |
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/**************************************************************************** |
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* * |
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* Section for driver hardware dependent interface - /dev/snd/hw? * |
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* * |
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****************************************************************************/ |
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#define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) |
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enum { |
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SNDRV_HWDEP_IFACE_OPL2 = 0, |
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SNDRV_HWDEP_IFACE_OPL3, |
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SNDRV_HWDEP_IFACE_OPL4, |
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SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ |
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SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ |
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SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ |
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SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ |
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SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ |
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SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ |
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SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ |
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SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ |
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SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ |
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SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ |
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SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ |
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SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ |
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SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ |
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SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ |
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SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ |
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SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */ |
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SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */ |
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SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */ |
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SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */ |
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SNDRV_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */ |
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SNDRV_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */ |
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SNDRV_HWDEP_IFACE_LINE6, /* Line6 USB processors */ |
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SNDRV_HWDEP_IFACE_FW_MOTU, /* MOTU FireWire series */ |
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SNDRV_HWDEP_IFACE_FW_FIREFACE, /* RME Fireface series */ |
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/* Don't forget to change the following: */ |
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SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREFACE |
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}; |
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struct snd_hwdep_info { |
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unsigned int device; /* WR: device number */ |
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int card; /* R: card number */ |
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unsigned char id[64]; /* ID (user selectable) */ |
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unsigned char name[80]; /* hwdep name */ |
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int iface; /* hwdep interface */ |
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unsigned char reserved[64]; /* reserved for future */ |
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}; |
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/* generic DSP loader */ |
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struct snd_hwdep_dsp_status { |
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unsigned int version; /* R: driver-specific version */ |
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unsigned char id[32]; /* R: driver-specific ID string */ |
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unsigned int num_dsps; /* R: number of DSP images to transfer */ |
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unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ |
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unsigned int chip_ready; /* R: 1 = initialization finished */ |
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unsigned char reserved[16]; /* reserved for future use */ |
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}; |
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struct snd_hwdep_dsp_image { |
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unsigned int index; /* W: DSP index */ |
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unsigned char name[64]; /* W: ID (e.g. file name) */ |
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unsigned char __user *image; /* W: binary image */ |
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size_t length; /* W: size of image in bytes */ |
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unsigned long driver_data; /* W: driver-specific data */ |
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}; |
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#define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) |
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#define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) |
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#define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) |
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#define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) |
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/***************************************************************************** |
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* * |
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* Digital Audio (PCM) interface - /dev/snd/pcm?? * |
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* * |
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*****************************************************************************/ |
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#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 15) |
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typedef unsigned long snd_pcm_uframes_t; |
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typedef signed long snd_pcm_sframes_t; |
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enum { |
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SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ |
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SNDRV_PCM_CLASS_MULTI, /* multichannel device */ |
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SNDRV_PCM_CLASS_MODEM, /* software modem class */ |
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SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ |
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/* Don't forget to change the following: */ |
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SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, |
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}; |
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enum { |
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SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ |
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SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ |
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/* Don't forget to change the following: */ |
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SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, |
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}; |
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enum { |
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SNDRV_PCM_STREAM_PLAYBACK = 0, |
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SNDRV_PCM_STREAM_CAPTURE, |
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SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, |
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}; |
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typedef int __bitwise snd_pcm_access_t; |
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#define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ |
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#define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ |
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#define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ |
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#define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ |
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#define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ |
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#define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED |
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typedef int __bitwise snd_pcm_format_t; |
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#define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) |
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#define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) |
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#define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) |
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#define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) |
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#define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) |
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#define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) |
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#define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ |
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#define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ |
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#define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ |
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#define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ |
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/* |
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* For S32/U32 formats, 'msbits' hardware parameter is often used to deliver information about the |
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* available bit count in most significant bit. It's for the case of so-called 'left-justified' or |
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* `right-padding` sample which has less width than 32 bit. |
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*/ |
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#define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) |
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#define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) |
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#define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) |
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#define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) |
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#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 */ |
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#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 */ |
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#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 */ |
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#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 */ |
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#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ |
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#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ |
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#define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) |
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#define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) |
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#define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) |
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#define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) |
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#define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) |
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#define SNDRV_PCM_FORMAT_S20_LE ((__force snd_pcm_format_t) 25) /* in four bytes, LSB justified */ |
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#define SNDRV_PCM_FORMAT_S20_BE ((__force snd_pcm_format_t) 26) /* in four bytes, LSB justified */ |
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#define SNDRV_PCM_FORMAT_U20_LE ((__force snd_pcm_format_t) 27) /* in four bytes, LSB justified */ |
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#define SNDRV_PCM_FORMAT_U20_BE ((__force snd_pcm_format_t) 28) /* in four bytes, LSB justified */ |
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/* gap in the numbering for a future standard linear format */ |
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#define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) |
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#define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ |
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#define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */ |
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#define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */ |
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#define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */ |
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#define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */ |
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#define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */ |
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#define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */ |
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#define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */ |
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#define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */ |
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#define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */ |
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#define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE |
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#define SNDRV_PCM_FORMAT_FIRST SNDRV_PCM_FORMAT_S8 |
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#ifdef SNDRV_LITTLE_ENDIAN |
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#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE |
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#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE |
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#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE |
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#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE |
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#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE |
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#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE |
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#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE |
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#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE |
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#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE |
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#define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_LE |
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#define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_LE |
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#endif |
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#ifdef SNDRV_BIG_ENDIAN |
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#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE |
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#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE |
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#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE |
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#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE |
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#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE |
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#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE |
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#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE |
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#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE |
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#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE |
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#define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_BE |
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#define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_BE |
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#endif |
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typedef int __bitwise snd_pcm_subformat_t; |
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#define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) |
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#define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD |
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#define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ |
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#define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ |
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#define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ |
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#define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ |
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#define SNDRV_PCM_INFO_SYNC_APPLPTR 0x00000020 /* need the explicit sync of appl_ptr update */ |
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#define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ |
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#define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ |
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#define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ |
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#define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ |
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#define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ |
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#define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ |
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#define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ |
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#define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ |
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#define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ |
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#define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ |
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#define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */ |
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#define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* (Deprecated)has audio wall clock for audio/system time sync */ |
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#define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 /* report hardware link audio time, reset on startup */ |
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#define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 /* report absolute hardware link audio time, not reset on startup */ |
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#define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 /* report estimated link audio time */ |
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#define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 /* report synchronized audio/system time */ |
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#define SNDRV_PCM_INFO_EXPLICIT_SYNC 0x10000000 /* needs explicit sync of pointers and data */ |
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#define SNDRV_PCM_INFO_NO_REWINDS 0x20000000 /* hardware can only support monotonic changes of appl_ptr */ |
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#define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 /* internal kernel flag - trigger in drain */ |
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#define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ |
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#if (__BITS_PER_LONG == 32 && defined(__USE_TIME_BITS64)) || defined __KERNEL__ |
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#define __SND_STRUCT_TIME64 |
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#endif |
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typedef int __bitwise snd_pcm_state_t; |
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#define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ |
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#define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ |
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#define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ |
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#define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ |
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#define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ |
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#define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ |
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#define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ |
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#define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ |
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#define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ |
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#define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED |
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enum { |
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SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, |
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SNDRV_PCM_MMAP_OFFSET_STATUS_OLD = 0x80000000, |
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SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD = 0x81000000, |
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SNDRV_PCM_MMAP_OFFSET_STATUS_NEW = 0x82000000, |
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SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW = 0x83000000, |
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#ifdef __SND_STRUCT_TIME64 |
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SNDRV_PCM_MMAP_OFFSET_STATUS = SNDRV_PCM_MMAP_OFFSET_STATUS_NEW, |
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SNDRV_PCM_MMAP_OFFSET_CONTROL = SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW, |
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#else |
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SNDRV_PCM_MMAP_OFFSET_STATUS = SNDRV_PCM_MMAP_OFFSET_STATUS_OLD, |
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SNDRV_PCM_MMAP_OFFSET_CONTROL = SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD, |
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#endif |
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}; |
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union snd_pcm_sync_id { |
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unsigned char id[16]; |
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unsigned short id16[8]; |
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unsigned int id32[4]; |
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}; |
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struct snd_pcm_info { |
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unsigned int device; /* RO/WR (control): device number */ |
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unsigned int subdevice; /* RO/WR (control): subdevice number */ |
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int stream; /* RO/WR (control): stream direction */ |
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int card; /* R: card number */ |
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unsigned char id[64]; /* ID (user selectable) */ |
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unsigned char name[80]; /* name of this device */ |
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unsigned char subname[32]; /* subdevice name */ |
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int dev_class; /* SNDRV_PCM_CLASS_* */ |
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int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ |
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unsigned int subdevices_count; |
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unsigned int subdevices_avail; |
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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 */ |
|
|
|
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 */ |
|
snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ |
|
snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ |
|
snd_pcm_uframes_t silence_size; /* silence block size */ |
|
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; |
|
|
|
__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, 2) |
|
|
|
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 |
|
|
|
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 |
|
|
|
#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) |
|
|
|
/* |
|
* 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, 8) |
|
|
|
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_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 */
|
|
|