diff options
Diffstat (limited to 'include/sound/asound.h')
| -rw-r--r-- | include/sound/asound.h | 927 |
1 files changed, 927 insertions, 0 deletions
diff --git a/include/sound/asound.h b/include/sound/asound.h new file mode 100644 index 0000000..a4d149f --- /dev/null +++ b/include/sound/asound.h @@ -0,0 +1,927 @@ +/* + * Advanced Linux Sound Architecture - ALSA - Driver + * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@suse.cz>, + * Abramo Bagnara <abramo@alsa-project.org> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __SOUND_ASOUND_H +#define __SOUND_ASOUND_H + +#if defined(LINUX) || defined(__LINUX__) || defined(__linux__) + +#include <linux/ioctl.h> + +#ifdef __KERNEL__ + +#include <linux/types.h> +#include <linux/time.h> +#include <asm/byteorder.h> + +#ifdef __LITTLE_ENDIAN +#define SNDRV_LITTLE_ENDIAN +#else +#ifdef __BIG_ENDIAN +#define SNDRV_BIG_ENDIAN +#else +#error "Unsupported endian..." +#endif +#endif + +#else /* !__KERNEL__ */ + +#include <endian.h> +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define SNDRV_LITTLE_ENDIAN +#elif __BYTE_ORDER == __BIG_ENDIAN +#define SNDRV_BIG_ENDIAN +#else +#error "Unsupported endian..." +#endif + +#endif /* __KERNEL **/ + +#endif /* LINUX */ + +#ifndef __KERNEL__ +#include <sys/time.h> +#include <sys/types.h> +#endif + +/* + * protocol version + */ + +#define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) +#define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) +#define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) +#define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) +#define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ + (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ + (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ + SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) + +/**************************************************************************** + * * + * Digital audio interface * + * * + ****************************************************************************/ + +struct sndrv_aes_iec958 { + unsigned char status[24]; /* AES/IEC958 channel status bits */ + unsigned char subcode[147]; /* AES/IEC958 subcode bits */ + unsigned char pad; /* nothing */ + unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ +}; + +/**************************************************************************** + * * + * Section for driver hardware dependent interface - /dev/snd/hw? * + * * + ****************************************************************************/ + +#define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) + +enum sndrv_hwdep_iface { + SNDRV_HWDEP_IFACE_OPL2 = 0, + SNDRV_HWDEP_IFACE_OPL3, + SNDRV_HWDEP_IFACE_OPL4, + SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ + SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ + SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ + SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ + SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ + SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ + SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ + SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ + SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ + SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ + SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ + SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ + + /* Don't forget to change the following: */ + SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_PCXHR +}; + +struct sndrv_hwdep_info { + unsigned int device; /* WR: device number */ + int card; /* R: card number */ + unsigned char id[64]; /* ID (user selectable) */ + unsigned char name[80]; /* hwdep name */ + enum sndrv_hwdep_iface iface; /* hwdep interface */ + unsigned char reserved[64]; /* reserved for future */ +}; + +/* generic DSP loader */ +struct sndrv_hwdep_dsp_status { + unsigned int version; /* R: driver-specific version */ + unsigned char id[32]; /* R: driver-specific ID string */ + unsigned int num_dsps; /* R: number of DSP images to transfer */ + unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ + unsigned int chip_ready; /* R: 1 = initialization finished */ + unsigned char reserved[16]; /* reserved for future use */ +}; + +struct sndrv_hwdep_dsp_image { + unsigned int index; /* W: DSP index */ + unsigned char name[64]; /* W: ID (e.g. file name) */ + unsigned char __user *image; /* W: binary image */ + size_t length; /* W: size of image in bytes */ + unsigned long driver_data; /* W: driver-specific data */ +}; + +enum { + SNDRV_HWDEP_IOCTL_PVERSION = _IOR ('H', 0x00, int), + SNDRV_HWDEP_IOCTL_INFO = _IOR ('H', 0x01, struct sndrv_hwdep_info), + SNDRV_HWDEP_IOCTL_DSP_STATUS = _IOR('H', 0x02, struct sndrv_hwdep_dsp_status), + SNDRV_HWDEP_IOCTL_DSP_LOAD = _IOW('H', 0x03, struct sndrv_hwdep_dsp_image) +}; + +/***************************************************************************** + * * + * Digital Audio (PCM) interface - /dev/snd/pcm?? * + * * + *****************************************************************************/ + +#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) + +typedef unsigned long sndrv_pcm_uframes_t; +typedef long sndrv_pcm_sframes_t; + +enum sndrv_pcm_class { + SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ + SNDRV_PCM_CLASS_MULTI, /* multichannel device */ + SNDRV_PCM_CLASS_MODEM, /* software modem class */ + SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ + /* Don't forget to change the following: */ + SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, +}; + +enum sndrv_pcm_subclass { + SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ + SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ + /* Don't forget to change the following: */ + SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, +}; + +enum sndrv_pcm_stream { + SNDRV_PCM_STREAM_PLAYBACK = 0, + SNDRV_PCM_STREAM_CAPTURE, + SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, +}; + +enum sndrv_pcm_access { + SNDRV_PCM_ACCESS_MMAP_INTERLEAVED = 0, /* interleaved mmap */ + SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED, /* noninterleaved mmap */ + SNDRV_PCM_ACCESS_MMAP_COMPLEX, /* complex mmap */ + SNDRV_PCM_ACCESS_RW_INTERLEAVED, /* readi/writei */ + SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, /* readn/writen */ + SNDRV_PCM_ACCESS_LAST = SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, +}; + +enum sndrv_pcm_format { + SNDRV_PCM_FORMAT_S8 = 0, + SNDRV_PCM_FORMAT_U8, + SNDRV_PCM_FORMAT_S16_LE, + SNDRV_PCM_FORMAT_S16_BE, + SNDRV_PCM_FORMAT_U16_LE, + SNDRV_PCM_FORMAT_U16_BE, + SNDRV_PCM_FORMAT_S24_LE, /* low three bytes */ + SNDRV_PCM_FORMAT_S24_BE, /* low three bytes */ + SNDRV_PCM_FORMAT_U24_LE, /* low three bytes */ + SNDRV_PCM_FORMAT_U24_BE, /* low three bytes */ + SNDRV_PCM_FORMAT_S32_LE, + SNDRV_PCM_FORMAT_S32_BE, + SNDRV_PCM_FORMAT_U32_LE, + SNDRV_PCM_FORMAT_U32_BE, + SNDRV_PCM_FORMAT_FLOAT_LE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ + SNDRV_PCM_FORMAT_FLOAT_BE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ + SNDRV_PCM_FORMAT_FLOAT64_LE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ + SNDRV_PCM_FORMAT_FLOAT64_BE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ + SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, /* IEC-958 subframe, Little Endian */ + SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, /* IEC-958 subframe, Big Endian */ + SNDRV_PCM_FORMAT_MU_LAW, + SNDRV_PCM_FORMAT_A_LAW, + SNDRV_PCM_FORMAT_IMA_ADPCM, + SNDRV_PCM_FORMAT_MPEG, + SNDRV_PCM_FORMAT_GSM, + SNDRV_PCM_FORMAT_SPECIAL = 31, + SNDRV_PCM_FORMAT_S24_3LE = 32, /* in three bytes */ + SNDRV_PCM_FORMAT_S24_3BE, /* in three bytes */ + SNDRV_PCM_FORMAT_U24_3LE, /* in three bytes */ + SNDRV_PCM_FORMAT_U24_3BE, /* in three bytes */ + SNDRV_PCM_FORMAT_S20_3LE, /* in three bytes */ + SNDRV_PCM_FORMAT_S20_3BE, /* in three bytes */ + SNDRV_PCM_FORMAT_U20_3LE, /* in three bytes */ + SNDRV_PCM_FORMAT_U20_3BE, /* in three bytes */ + SNDRV_PCM_FORMAT_S18_3LE, /* in three bytes */ + SNDRV_PCM_FORMAT_S18_3BE, /* in three bytes */ + SNDRV_PCM_FORMAT_U18_3LE, /* in three bytes */ + SNDRV_PCM_FORMAT_U18_3BE, /* in three bytes */ + SNDRV_PCM_FORMAT_LAST = SNDRV_PCM_FORMAT_U18_3BE, + +#ifdef SNDRV_LITTLE_ENDIAN + SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_LE, + SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_LE, + SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_LE, + SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_LE, + SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_LE, + SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_LE, + SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_LE, + SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_LE, + SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, +#endif +#ifdef SNDRV_BIG_ENDIAN + SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_BE, + SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_BE, + SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_BE, + SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_BE, + SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_BE, + SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_BE, + SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_BE, + SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_BE, + SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, +#endif +}; + +enum sndrv_pcm_subformat { + SNDRV_PCM_SUBFORMAT_STD = 0, + SNDRV_PCM_SUBFORMAT_LAST = SNDRV_PCM_SUBFORMAT_STD, +}; + +#define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ +#define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ +#define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ +#define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ +#define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ +#define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ +#define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ +#define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ +#define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ +#define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ +#define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ +#define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ +#define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ +#define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ + +enum sndrv_pcm_state { + SNDRV_PCM_STATE_OPEN = 0, /* stream is open */ + SNDRV_PCM_STATE_SETUP, /* stream has a setup */ + SNDRV_PCM_STATE_PREPARED, /* stream is ready to start */ + SNDRV_PCM_STATE_RUNNING, /* stream is running */ + SNDRV_PCM_STATE_XRUN, /* stream reached an xrun */ + SNDRV_PCM_STATE_DRAINING, /* stream is draining */ + SNDRV_PCM_STATE_PAUSED, /* stream is paused */ + SNDRV_PCM_STATE_SUSPENDED, /* hardware is suspended */ + SNDRV_PCM_STATE_DISCONNECTED, /* hardware is disconnected */ + SNDRV_PCM_STATE_LAST = SNDRV_PCM_STATE_DISCONNECTED, +}; + +enum { + SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, + SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, + SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, +}; + +union sndrv_pcm_sync_id { + unsigned char id[16]; + unsigned short id16[8]; + unsigned int id32[4]; +}; + +struct sndrv_pcm_info { + unsigned int device; /* RO/WR (control): device number */ + unsigned int subdevice; /* RO/WR (control): subdevice number */ + enum sndrv_pcm_stream stream; /* RO/WR (control): stream number */ + int card; /* R: card number */ + unsigned char id[64]; /* ID (user selectable) */ + unsigned char name[80]; /* name of this device */ + unsigned char subname[32]; /* subdevice name */ + enum sndrv_pcm_class dev_class; /* SNDRV_PCM_CLASS_* */ + enum sndrv_pcm_subclass dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ + unsigned int subdevices_count; + unsigned int subdevices_avail; + union sndrv_pcm_sync_id sync; /* hardware synchronization ID */ + unsigned char reserved[64]; /* reserved for future... */ +}; + +enum sndrv_pcm_hw_param { + SNDRV_PCM_HW_PARAM_ACCESS = 0, /* Access type */ + SNDRV_PCM_HW_PARAM_FIRST_MASK = SNDRV_PCM_HW_PARAM_ACCESS, + SNDRV_PCM_HW_PARAM_FORMAT, /* Format */ + SNDRV_PCM_HW_PARAM_SUBFORMAT, /* Subformat */ + SNDRV_PCM_HW_PARAM_LAST_MASK = SNDRV_PCM_HW_PARAM_SUBFORMAT, + + SNDRV_PCM_HW_PARAM_SAMPLE_BITS = 8, /* Bits per sample */ + SNDRV_PCM_HW_PARAM_FIRST_INTERVAL = SNDRV_PCM_HW_PARAM_SAMPLE_BITS, + SNDRV_PCM_HW_PARAM_FRAME_BITS, /* Bits per frame */ + SNDRV_PCM_HW_PARAM_CHANNELS, /* Channels */ + SNDRV_PCM_HW_PARAM_RATE, /* Approx rate */ + SNDRV_PCM_HW_PARAM_PERIOD_TIME, /* Approx distance between interrupts + in us */ + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, /* Approx frames between interrupts */ + SNDRV_PCM_HW_PARAM_PERIOD_BYTES, /* Approx bytes between interrupts */ + SNDRV_PCM_HW_PARAM_PERIODS, /* Approx interrupts per buffer */ + SNDRV_PCM_HW_PARAM_BUFFER_TIME, /* Approx duration of buffer in us */ + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, /* Size of buffer in frames */ + SNDRV_PCM_HW_PARAM_BUFFER_BYTES, /* Size of buffer in bytes */ + SNDRV_PCM_HW_PARAM_TICK_TIME, /* Approx tick duration in us */ + SNDRV_PCM_HW_PARAM_LAST_INTERVAL = SNDRV_PCM_HW_PARAM_TICK_TIME +}; + +#define SNDRV_PCM_HW_PARAMS_RUNTIME (1<<0) + +struct sndrv_interval { + unsigned int min, max; + unsigned int openmin:1, + openmax:1, + integer:1, + empty:1; +}; + +#define SNDRV_MASK_MAX 256 + +struct sndrv_mask { + u_int32_t bits[(SNDRV_MASK_MAX+31)/32]; +}; + +struct sndrv_pcm_hw_params { + unsigned int flags; + struct sndrv_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - + SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; + struct sndrv_mask mres[5]; /* reserved masks */ + struct sndrv_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - + SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; + struct sndrv_interval ires[9]; /* reserved intervals */ + unsigned int rmask; /* W: requested masks */ + unsigned int cmask; /* R: changed masks */ + unsigned int info; /* R: Info flags for returned setup */ + unsigned int msbits; /* R: used most significant bits */ + unsigned int rate_num; /* R: rate numerator */ + unsigned int rate_den; /* R: rate denominator */ + sndrv_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ + unsigned char reserved[64]; /* reserved for future */ +}; + +enum sndrv_pcm_tstamp { + SNDRV_PCM_TSTAMP_NONE = 0, + SNDRV_PCM_TSTAMP_MMAP, + SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_MMAP, +}; + +struct sndrv_pcm_sw_params { + enum sndrv_pcm_tstamp tstamp_mode; /* timestamp mode */ + unsigned int period_step; + unsigned int sleep_min; /* min ticks to sleep */ + sndrv_pcm_uframes_t avail_min; /* min avail frames for wakeup */ + sndrv_pcm_uframes_t xfer_align; /* xfer size need to be a multiple */ + sndrv_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ + sndrv_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ + sndrv_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ + sndrv_pcm_uframes_t silence_size; /* silence block size */ + sndrv_pcm_uframes_t boundary; /* pointers wrap point */ + unsigned char reserved[64]; /* reserved for future */ +}; + +struct sndrv_pcm_channel_info { + unsigned int channel; + off_t offset; /* mmap offset */ + unsigned int first; /* offset to first sample in bits */ + unsigned int step; /* samples distance in bits */ +}; + +struct sndrv_pcm_status { + enum sndrv_pcm_state state; /* stream state */ + struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ + struct timespec tstamp; /* reference timestamp */ + sndrv_pcm_uframes_t appl_ptr; /* appl ptr */ + sndrv_pcm_uframes_t hw_ptr; /* hw ptr */ + sndrv_pcm_sframes_t delay; /* current delay in frames */ + sndrv_pcm_uframes_t avail; /* number of frames available */ + sndrv_pcm_uframes_t avail_max; /* max frames available on hw since last status */ + sndrv_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ + enum sndrv_pcm_state suspended_state; /* suspended stream state */ + unsigned char reserved[60]; /* must be filled with zero */ +}; + +struct sndrv_pcm_mmap_status { + enum sndrv_pcm_state state; /* RO: state - SNDRV_PCM_STATE_XXXX */ + int pad1; /* Needed for 64 bit alignment */ + sndrv_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ + struct timespec tstamp; /* Timestamp */ + enum sndrv_pcm_state suspended_state; /* RO: suspended stream state */ +}; + +struct sndrv_pcm_mmap_control { + sndrv_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ + sndrv_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ +}; + +#define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ +#define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ +#define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ + +struct sndrv_pcm_sync_ptr { + unsigned int flags; + union { + struct sndrv_pcm_mmap_status status; + unsigned char reserved[64]; + } s; + union { + struct sndrv_pcm_mmap_control control; + unsigned char reserved[64]; + } c; +}; + +struct sndrv_xferi { + sndrv_pcm_sframes_t result; + void __user *buf; + sndrv_pcm_uframes_t frames; +}; + +struct sndrv_xfern { + sndrv_pcm_sframes_t result; + void __user * __user *bufs; + sndrv_pcm_uframes_t frames; +}; + +enum { + SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int), + SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct sndrv_pcm_info), + SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int), + SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct sndrv_pcm_hw_params), + SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct sndrv_pcm_hw_params), + SNDRV_PCM_IOCTL_HW_FREE = _IO('A', 0x12), + SNDRV_PCM_IOCTL_SW_PARAMS = _IOWR('A', 0x13, struct sndrv_pcm_sw_params), + SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct sndrv_pcm_status), + SNDRV_PCM_IOCTL_DELAY = _IOR('A', 0x21, sndrv_pcm_sframes_t), + SNDRV_PCM_IOCTL_HWSYNC = _IO('A', 0x22), + SNDRV_PCM_IOCTL_SYNC_PTR = _IOWR('A', 0x23, struct sndrv_pcm_sync_ptr), + SNDRV_PCM_IOCTL_CHANNEL_INFO = _IOR('A', 0x32, struct sndrv_pcm_channel_info), + SNDRV_PCM_IOCTL_PREPARE = _IO('A', 0x40), + SNDRV_PCM_IOCTL_RESET = _IO('A', 0x41), + SNDRV_PCM_IOCTL_START = _IO('A', 0x42), + SNDRV_PCM_IOCTL_DROP = _IO('A', 0x43), + SNDRV_PCM_IOCTL_DRAIN = _IO('A', 0x44), + SNDRV_PCM_IOCTL_PAUSE = _IOW('A', 0x45, int), + SNDRV_PCM_IOCTL_REWIND = _IOW('A', 0x46, sndrv_pcm_uframes_t), + SNDRV_PCM_IOCTL_RESUME = _IO('A', 0x47), + SNDRV_PCM_IOCTL_XRUN = _IO('A', 0x48), + SNDRV_PCM_IOCTL_FORWARD = _IOW('A', 0x49, sndrv_pcm_uframes_t), + SNDRV_PCM_IOCTL_WRITEI_FRAMES = _IOW('A', 0x50, struct sndrv_xferi), + SNDRV_PCM_IOCTL_READI_FRAMES = _IOR('A', 0x51, struct sndrv_xferi), + SNDRV_PCM_IOCTL_WRITEN_FRAMES = _IOW('A', 0x52, struct sndrv_xfern), + SNDRV_PCM_IOCTL_READN_FRAMES = _IOR('A', 0x53, struct sndrv_xfern), + SNDRV_PCM_IOCTL_LINK = _IOW('A', 0x60, int), + SNDRV_PCM_IOCTL_UNLINK = _IO('A', 0x61), +}; + +/* Trick to make alsa-lib/acinclude.m4 happy */ +#define SNDRV_PCM_IOCTL_REWIND SNDRV_PCM_IOCTL_REWIND + +/***************************************************************************** + * * + * MIDI v1.0 interface * + * * + *****************************************************************************/ + +/* + * Raw MIDI section - /dev/snd/midi?? + */ + +#define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) + +enum sndrv_rawmidi_stream { + SNDRV_RAWMIDI_STREAM_OUTPUT = 0, + SNDRV_RAWMIDI_STREAM_INPUT, + SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, +}; + +#define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 +#define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 +#define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 + +struct sndrv_rawmidi_info { + unsigned int device; /* RO/WR (control): device number */ + unsigned int subdevice; /* RO/WR (control): subdevice number */ + enum sndrv_rawmidi_stream stream; /* WR: stream */ + int card; /* R: card number */ + unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ + unsigned char id[64]; /* ID (user selectable) */ + unsigned char name[80]; /* name of device */ + unsigned char subname[32]; /* name of active or selected subdevice */ + unsigned int subdevices_count; + unsigned int subdevices_avail; + unsigned char reserved[64]; /* reserved for future use */ +}; + +struct sndrv_rawmidi_params { + enum sndrv_rawmidi_stream stream; + size_t buffer_size; /* queue size in bytes */ + size_t avail_min; /* minimum avail bytes for wakeup */ + unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ + unsigned char reserved[16]; /* reserved for future use */ +}; + +struct sndrv_rawmidi_status { + enum sndrv_rawmidi_stream stream; + struct timespec tstamp; /* Timestamp */ + size_t avail; /* available bytes */ + size_t xruns; /* count of overruns since last status (in bytes) */ + unsigned char reserved[16]; /* reserved for future use */ +}; + +enum { + SNDRV_RAWMIDI_IOCTL_PVERSION = _IOR('W', 0x00, int), + SNDRV_RAWMIDI_IOCTL_INFO = _IOR('W', 0x01, struct sndrv_rawmidi_info), + SNDRV_RAWMIDI_IOCTL_PARAMS = _IOWR('W', 0x10, struct sndrv_rawmidi_params), + SNDRV_RAWMIDI_IOCTL_STATUS = _IOWR('W', 0x20, struct sndrv_rawmidi_status), + SNDRV_RAWMIDI_IOCTL_DROP = _IOW('W', 0x30, int), + SNDRV_RAWMIDI_IOCTL_DRAIN = _IOW('W', 0x31, int), +}; + +/* + * Timer section - /dev/snd/timer + */ + +#define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 2) + +enum sndrv_timer_class { + SNDRV_TIMER_CLASS_NONE = -1, + SNDRV_TIMER_CLASS_SLAVE = 0, + SNDRV_TIMER_CLASS_GLOBAL, + SNDRV_TIMER_CLASS_CARD, + SNDRV_TIMER_CLASS_PCM, + SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, +}; + +/* slave timer classes */ +enum sndrv_timer_slave_class { + SNDRV_TIMER_SCLASS_NONE = 0, + SNDRV_TIMER_SCLASS_APPLICATION, + SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ + SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ + SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, +}; + +/* global timers (device member) */ +#define SNDRV_TIMER_GLOBAL_SYSTEM 0 +#define SNDRV_TIMER_GLOBAL_RTC 1 +#define SNDRV_TIMER_GLOBAL_HPET 2 + +/* info flags */ +#define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ + +struct sndrv_timer_id { + enum sndrv_timer_class dev_class; + enum sndrv_timer_slave_class dev_sclass; + int card; + int device; + int subdevice; +}; + +struct sndrv_timer_ginfo { + struct sndrv_timer_id tid; /* requested timer ID */ + unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ + int card; /* card number */ + unsigned char id[64]; /* timer identification */ + unsigned char name[80]; /* timer name */ + unsigned long reserved0; /* reserved for future use */ + unsigned long resolution; /* average period resolution in ns */ + unsigned long resolution_min; /* minimal period resolution in ns */ + unsigned long resolution_max; /* maximal period resolution in ns */ + unsigned int clients; /* active timer clients */ + unsigned char reserved[32]; +}; + +struct sndrv_timer_gparams { + struct sndrv_timer_id tid; /* requested timer ID */ + unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ + unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ + unsigned char reserved[32]; +}; + +struct sndrv_timer_gstatus { + struct sndrv_timer_id tid; /* requested timer ID */ + unsigned long resolution; /* current period resolution in ns */ + unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ + unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ + unsigned char reserved[32]; +}; + +struct sndrv_timer_select { + struct sndrv_timer_id id; /* bind to timer ID */ + unsigned char reserved[32]; /* reserved */ +}; + +struct sndrv_timer_info { + unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ + int card; /* card number */ + unsigned char id[64]; /* timer identificator */ + unsigned char name[80]; /* timer name */ + unsigned long reserved0; /* reserved for future use */ + unsigned long resolution; /* average period resolution in ns */ + unsigned char reserved[64]; /* reserved */ +}; + +#define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ +#define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ +#define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ + +struct sndrv_timer_params { + unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ + unsigned int ticks; /* requested resolution in ticks */ + unsigned int queue_size; /* total size of queue (32-1024) */ + unsigned int reserved0; /* reserved, was: failure locations */ + unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ + unsigned char reserved[60]; /* reserved */ +}; + +struct sndrv_timer_status { + struct timespec tstamp; /* Timestamp - last update */ + unsigned int resolution; /* current period resolution in ns */ + unsigned int lost; /* counter of master tick lost */ + unsigned int overrun; /* count of read queue overruns */ + unsigned int queue; /* used queue size */ + unsigned char reserved[64]; /* reserved */ +}; + +enum { + SNDRV_TIMER_IOCTL_PVERSION = _IOR('T', 0x00, int), + SNDRV_TIMER_IOCTL_NEXT_DEVICE = _IOWR('T', 0x01, struct sndrv_timer_id), + SNDRV_TIMER_IOCTL_TREAD = _IOW('T', 0x02, int), + SNDRV_TIMER_IOCTL_GINFO = _IOWR('T', 0x03, struct sndrv_timer_ginfo), + SNDRV_TIMER_IOCTL_GPARAMS = _IOW('T', 0x04, struct sndrv_timer_gparams), + SNDRV_TIMER_IOCTL_GSTATUS = _IOWR('T', 0x05, struct sndrv_timer_gstatus), + SNDRV_TIMER_IOCTL_SELECT = _IOW('T', 0x10, struct sndrv_timer_select), + SNDRV_TIMER_IOCTL_INFO = _IOR('T', 0x11, struct sndrv_timer_info), + SNDRV_TIMER_IOCTL_PARAMS = _IOW('T', 0x12, struct sndrv_timer_params), + SNDRV_TIMER_IOCTL_STATUS = _IOR('T', 0x14, struct sndrv_timer_status), + SNDRV_TIMER_IOCTL_START = _IO('T', 0x20), + SNDRV_TIMER_IOCTL_STOP = _IO('T', 0x21), + SNDRV_TIMER_IOCTL_CONTINUE = _IO('T', 0x22), + SNDRV_TIMER_IOCTL_PAUSE = _IO('T', 0x23), +}; + +struct sndrv_timer_read { + unsigned int resolution; + unsigned int ticks; +}; + +enum sndrv_timer_event { + SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ + SNDRV_TIMER_EVENT_TICK, /* val = ticks */ + SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ + SNDRV_TIMER_EVENT_STOP, /* val = 0 */ + SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ + SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ + SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ + /* 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, +}; + +struct sndrv_timer_tread { + enum sndrv_timer_event event; + struct timespec tstamp; + unsigned int val; +}; + +/**************************************************************************** + * * + * Section for driver control interface - /dev/snd/control? * + * * + ****************************************************************************/ + +#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 3) + +struct sndrv_ctl_card_info { + int card; /* card number */ + int pad; /* reserved for future (was type) */ + unsigned char id[16]; /* ID of card (user selectable) */ + unsigned char driver[16]; /* Driver name */ + unsigned char name[32]; /* Short name of soundcard */ + unsigned char longname[80]; /* name + info text about soundcard */ + unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ + unsigned char mixername[80]; /* visual mixer identification */ + unsigned char components[80]; /* card components / fine identification, delimited with one space (AC97 etc..) */ + unsigned char reserved[48]; /* reserved for future */ +}; + +enum sndrv_ctl_elem_type { + SNDRV_CTL_ELEM_TYPE_NONE = 0, /* invalid */ + SNDRV_CTL_ELEM_TYPE_BOOLEAN, /* boolean type */ + SNDRV_CTL_ELEM_TYPE_INTEGER, /* integer type */ + SNDRV_CTL_ELEM_TYPE_ENUMERATED, /* enumerated type */ + SNDRV_CTL_ELEM_TYPE_BYTES, /* byte array */ + SNDRV_CTL_ELEM_TYPE_IEC958, /* IEC958 (S/PDIF) setup */ + SNDRV_CTL_ELEM_TYPE_INTEGER64, /* 64-bit integer type */ + SNDRV_CTL_ELEM_TYPE_LAST = SNDRV_CTL_ELEM_TYPE_INTEGER64, +}; + +enum sndrv_ctl_elem_iface { + SNDRV_CTL_ELEM_IFACE_CARD = 0, /* global control */ + SNDRV_CTL_ELEM_IFACE_HWDEP, /* hardware dependent device */ + SNDRV_CTL_ELEM_IFACE_MIXER, /* virtual mixer device */ + SNDRV_CTL_ELEM_IFACE_PCM, /* PCM device */ + SNDRV_CTL_ELEM_IFACE_RAWMIDI, /* RawMidi device */ + SNDRV_CTL_ELEM_IFACE_TIMER, /* timer device */ + SNDRV_CTL_ELEM_IFACE_SEQUENCER, /* sequencer client */ + SNDRV_CTL_ELEM_IFACE_LAST = SNDRV_CTL_ELEM_IFACE_SEQUENCER, +}; + +#define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) +#define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) +#define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) +#define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ +#define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<2) /* when was control changed */ +#define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ +#define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ +#define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ +#define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ +#define SNDRV_CTL_ELEM_ACCESS_DINDIRECT (1<<30) /* indirect access for matrix dimensions in the info structure */ +#define SNDRV_CTL_ELEM_ACCESS_INDIRECT (1<<31) /* indirect access for element value in the value structure */ + +/* for further details see the ACPI and PCI power management specification */ +#define SNDRV_CTL_POWER_D0 0x0000 /* full On */ +#define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ +#define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ +#define SNDRV_CTL_POWER_D3 0x0300 /* Off */ +#define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ +#define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ + +struct sndrv_ctl_elem_id { + unsigned int numid; /* numeric identifier, zero = invalid */ + enum sndrv_ctl_elem_iface iface; /* interface identifier */ + unsigned int device; /* device/client number */ + unsigned int subdevice; /* subdevice (substream) number */ + unsigned char name[44]; /* ASCII name of item */ + unsigned int index; /* index of item */ +}; + +struct sndrv_ctl_elem_list { + unsigned int offset; /* W: first element ID to get */ + unsigned int space; /* W: count of element IDs to get */ + unsigned int used; /* R: count of element IDs set */ + unsigned int count; /* R: count of all elements */ + struct sndrv_ctl_elem_id __user *pids; /* R: IDs */ + unsigned char reserved[50]; +}; + +struct sndrv_ctl_elem_info { + struct sndrv_ctl_elem_id id; /* W: element ID */ + enum sndrv_ctl_elem_type type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ + unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ + unsigned int count; /* count of values */ + pid_t owner; /* owner's PID of this control */ + union { + struct { + long min; /* R: minimum value */ + long max; /* R: maximum value */ + long step; /* R: step (0 variable) */ + } integer; + struct { + long long min; /* R: minimum value */ + long long max; /* R: maximum value */ + long long step; /* R: step (0 variable) */ + } integer64; + struct { + unsigned int items; /* R: number of items */ + unsigned int item; /* W: item number */ + char name[64]; /* R: value name */ + } enumerated; + unsigned char reserved[128]; + } value; + union { + unsigned short d[4]; /* dimensions */ + unsigned short *d_ptr; /* indirect */ + } dimen; + unsigned char reserved[64-4*sizeof(unsigned short)]; +}; + +struct sndrv_ctl_elem_value { + struct sndrv_ctl_elem_id id; /* W: element ID */ + unsigned int indirect: 1; /* W: use indirect pointer (xxx_ptr member) */ + union { + union { + long value[128]; + long *value_ptr; + } integer; + union { + long long value[64]; + long long *value_ptr; + } integer64; + union { + unsigned int item[128]; + unsigned int *item_ptr; + } enumerated; + union { + unsigned char data[512]; + unsigned char *data_ptr; + } bytes; + struct sndrv_aes_iec958 iec958; + } value; /* RO */ + struct timespec tstamp; + unsigned char reserved[128-sizeof(struct timespec)]; +}; + +enum { + SNDRV_CTL_IOCTL_PVERSION = _IOR('U', 0x00, int), + SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct sndrv_ctl_card_info), + SNDRV_CTL_IOCTL_ELEM_LIST = _IOWR('U', 0x10, struct sndrv_ctl_elem_list), + SNDRV_CTL_IOCTL_ELEM_INFO = _IOWR('U', 0x11, struct sndrv_ctl_elem_info), + SNDRV_CTL_IOCTL_ELEM_READ = _IOWR('U', 0x12, struct sndrv_ctl_elem_value), + SNDRV_CTL_IOCTL_ELEM_WRITE = _IOWR('U', 0x13, struct sndrv_ctl_elem_value), + SNDRV_CTL_IOCTL_ELEM_LOCK = _IOW('U', 0x14, struct sndrv_ctl_elem_id), + SNDRV_CTL_IOCTL_ELEM_UNLOCK = _IOW('U', 0x15, struct sndrv_ctl_elem_id), + SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS = _IOWR('U', 0x16, int), + SNDRV_CTL_IOCTL_ELEM_ADD = _IOWR('U', 0x17, struct sndrv_ctl_elem_info), + SNDRV_CTL_IOCTL_ELEM_REPLACE = _IOWR('U', 0x18, struct sndrv_ctl_elem_info), + SNDRV_CTL_IOCTL_ELEM_REMOVE = _IOWR('U', 0x19, struct sndrv_ctl_elem_id), + SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE = _IOWR('U', 0x20, int), + SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct sndrv_hwdep_info), + SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE = _IOR('U', 0x30, int), + SNDRV_CTL_IOCTL_PCM_INFO = _IOWR('U', 0x31, struct sndrv_pcm_info), + SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE = _IOW('U', 0x32, int), + SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE = _IOWR('U', 0x40, int), + SNDRV_CTL_IOCTL_RAWMIDI_INFO = _IOWR('U', 0x41, struct sndrv_rawmidi_info), + SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE = _IOW('U', 0x42, int), + SNDRV_CTL_IOCTL_POWER = _IOWR('U', 0xd0, int), + SNDRV_CTL_IOCTL_POWER_STATE = _IOR('U', 0xd1, int), +}; + +/* + * Read interface. + */ + +enum sndrv_ctl_event_type { + SNDRV_CTL_EVENT_ELEM = 0, + SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, +}; + +#define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ +#define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ +#define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ +#define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ + +struct sndrv_ctl_event { + enum sndrv_ctl_event_type type; /* event type - SNDRV_CTL_EVENT_* */ + union { + struct { + unsigned int mask; + struct sndrv_ctl_elem_id id; + } elem; + unsigned char data8[60]; + } data; +}; + +/* + * Control names + */ + +#define SNDRV_CTL_NAME_NONE "" +#define SNDRV_CTL_NAME_PLAYBACK "Playback " +#define SNDRV_CTL_NAME_CAPTURE "Capture " + +#define SNDRV_CTL_NAME_IEC958_NONE "" +#define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" +#define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" +#define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" +#define SNDRV_CTL_NAME_IEC958_MASK "Mask" +#define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" +#define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" +#define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" +#define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what + +/* + * + */ + +struct sndrv_xferv { + const struct iovec *vector; + unsigned long count; +}; + +enum { + SNDRV_IOCTL_READV = _IOW('K', 0x00, struct sndrv_xferv), + SNDRV_IOCTL_WRITEV = _IOW('K', 0x01, struct sndrv_xferv), +}; + +#endif /* __SOUND_ASOUND_H */ |
