--- /dev/null
+/*
+ * Purpose: The C/C++ header file that defines the OSS API.
+ * Description:
+ * This header file contains all the declarations required to compile OSS
+ * programs. The latest version is always installed together with OSS
+ * use of the latest version is strongly recommended.
+ *
+ * {!notice This header file contains many obsolete definitions
+ * (for compatibility with older applications that still ned them).
+ * Do not use this file as a reference manual of OSS.
+ * Please check the OSS Programmer's guide for descriptions
+ * of the supported API details (http://manuals.opensound.com/developer).}
+ */
+
+#ifndef SOUNDCARD_H
+#define SOUNDCARD_H
+
+/*
+ * This file is part of Open Sound System
+ *
+ * Copyright (C) 4Front Technologies 1996-2008.
+ *
+ * This software is released under the BSD license.
+ * See the COPYING file included in the main directory of this source
+ * distribution for the license terms and conditions
+ */
+
+
+#if defined(__cplusplus)
+#define EXTERNC extern "C"
+#else
+#define EXTERNC extern
+#endif /* EXTERN_C_WRAPPERS */
+
+#define OSS_VERSION 0x040100 /* 4.1 */
+
+#define SOUND_VERSION OSS_VERSION
+#define OPEN_SOUND_SYSTEM
+
+#if defined(__hpux) && !defined(_HPUX_SOURCE)
+# error "-D_HPUX_SOURCE must be used when compiling OSS applications"
+#endif
+
+#ifdef __hpux
+#include <sys/ioctl.h>
+#endif
+
+#ifdef linux
+/* In Linux we need to be prepared for cross compiling */
+#include <linux/ioctl.h>
+#else
+# ifdef __FreeBSD__
+# include <sys/ioccom.h>
+# else
+# include <sys/ioctl.h>
+# endif
+#endif
+
+#ifndef __SIOWR
+#if defined(__hpux) || (defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__INCioctlh) && !defined(__Lynx__))))
+
+/*
+ * Make sure the ioctl macros are compatible with the ones already used
+ * by this operating system.
+ */
+#define SIOCPARM_MASK IOCPARM_MASK
+#define SIOC_VOID IOC_VOID
+#define SIOC_OUT IOC_OUT
+#define SIOC_IN IOC_IN
+#define SIOC_INOUT IOC_INOUT
+#define __SIOC_SIZE _IOC_SIZE
+#define __SIOC_DIR _IOC_DIR
+#define __SIOC_NONE _IOC_NONE
+#define __SIOC_READ _IOC_READ
+#define __SIOC_WRITE _IOC_WRITE
+#define __SIO _IO
+#define __SIOR _IOR
+#define __SIOW _IOW
+#define __SIOWR _IOWR
+
+
+#elif defined(__minix)
+
+#define SIOCPARM_MASK _IOCPARM_MASK
+#define SIOC_VOID _IOC_VOID
+#define SIOC_OUT _IOC_OUT
+#define SIOC_IN _IOC_IN
+#define SIOC_INOUT _IOC_INOUT
+#define __SIOC_SIZE _MINIX_IOCTL_SIZE
+#define __SIOC_DIR(x) (x & 0xf0000000)
+#define __SIOC_NONE _IOC_VOID
+#define __SIOC_READ _IOC_READ
+#define __SIOC_WRITE _IOC_WRITE
+#define __SIO _IO
+#define __SIOR _IOR
+#define __SIOW _IOW
+#define __SIOWR _IORW
+
+
+#else
+
+/* #define SIOCTYPE (0xff<<8) */
+#define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */
+#define SIOC_VOID 0x00000000 /* no parameters */
+#define SIOC_OUT 0x20000000 /* copy out parameters */
+#define SIOC_IN 0x40000000 /* copy in parameters */
+#define SIOC_INOUT (SIOC_IN|SIOC_OUT)
+
+#define __SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y))
+#define __SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
+#define __SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
+#define __SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
+#define __SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK)
+#define __SIOC_DIR(x) (x & 0xf0000000)
+#define __SIOC_NONE SIOC_VOID
+#define __SIOC_READ SIOC_OUT
+#define __SIOC_WRITE SIOC_IN
+# endif /* _IOWR */
+#endif /* !__SIOWR */
+
+#define OSS_LONGNAME_SIZE 64
+#define OSS_LABEL_SIZE 16
+#define OSS_DEVNODE_SIZE 32
+#define OSS_DEVNAME_SIZE 64
+#define OSS_CMD_SIZE 64
+#define OSS_ID_SIZE 16
+#define OSS_HANDLE_SIZE 32
+typedef char oss_longname_t[OSS_LONGNAME_SIZE];
+typedef char oss_label_t[OSS_LABEL_SIZE];
+typedef char oss_devnode_t[OSS_DEVNODE_SIZE];
+typedef char oss_devname_t[OSS_DEVNAME_SIZE];
+typedef char oss_cmd_t[OSS_CMD_SIZE];
+typedef char oss_id_t[OSS_ID_SIZE];
+typedef char oss_handle_t[OSS_HANDLE_SIZE];
+
+#ifndef DISABLE_SEQUENCER
+/*
+ ****************************************************************************
+ * IOCTL Commands for /dev/sequencer and /dev/music (AKA /dev/sequencer2)
+ *
+ * Note that this interface is obsolete and no longer developed. New
+ * applications should use /dev/midi instead.
+ ****************************************************************************/
+#define SNDCTL_SEQ_RESET __SIO ('Q', 0)
+#define SNDCTL_SEQ_SYNC __SIO ('Q', 1)
+#define SNDCTL_SYNTH_INFO __SIOWR('Q', 2, struct synth_info)
+#define SNDCTL_SEQ_CTRLRATE __SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
+#define SNDCTL_SEQ_GETOUTCOUNT __SIOR ('Q', 4, int)
+#define SNDCTL_SEQ_GETINCOUNT __SIOR ('Q', 5, int)
+#define SNDCTL_SEQ_PERCMODE __SIOW ('Q', 6, int)
+#define SNDCTL_FM_LOAD_INSTR __SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */
+#define SNDCTL_SEQ_TESTMIDI __SIOW ('Q', 8, int)
+#define SNDCTL_SEQ_RESETSAMPLES __SIOW ('Q', 9, int)
+#define SNDCTL_SEQ_NRSYNTHS __SIOR ('Q',10, int)
+#define SNDCTL_SEQ_NRMIDIS __SIOR ('Q',11, int)
+#define SNDCTL_MIDI_INFO __SIOWR('Q',12, struct midi_info) /* OBSOLETE - use SNDCTL_MIDIINFO instead */
+#define SNDCTL_SEQ_THRESHOLD __SIOW ('Q',13, int)
+#define SNDCTL_SYNTH_MEMAVL __SIOWR('Q',14, int) /* in=dev#, out=memsize */
+#define SNDCTL_FM_4OP_ENABLE __SIOW ('Q',15, int) /* in=dev# */
+#define SNDCTL_SEQ_PANIC __SIO ('Q',17)
+#define SNDCTL_SEQ_OUTOFBAND __SIOW ('Q',18, struct seq_event_rec)
+#define SNDCTL_SEQ_GETTIME __SIOR ('Q',19, int)
+#define SNDCTL_SYNTH_ID __SIOWR('Q',20, struct synth_info)
+#define SNDCTL_SYNTH_CONTROL __SIOWR('Q',21, struct synth_control)
+#define SNDCTL_SYNTH_REMOVESAMPLE __SIOWR('Q',22, struct remove_sample) /* Reserved for future use */
+#define SNDCTL_SEQ_TIMING_ENABLE __SIO ('Q', 23) /* Enable incoming MIDI timing messages */
+#define SNDCTL_SEQ_ACTSENSE_ENABLE __SIO ('Q', 24) /* Enable incoming active sensing messages */
+#define SNDCTL_SEQ_RT_ENABLE __SIO ('Q', 25) /* Enable other incoming realtime messages */
+
+typedef struct synth_control
+{
+ int devno; /* Synthesizer # */
+ char data[4000]; /* Device spesific command/data record */
+} synth_control;
+
+typedef struct remove_sample
+{
+ int devno; /* Synthesizer # */
+ int bankno; /* MIDI bank # (0=General MIDI) */
+ int instrno; /* MIDI instrument number */
+} remove_sample;
+
+typedef struct seq_event_rec
+{
+ unsigned char arr[8];
+} seq_event_rec;
+
+#define SNDCTL_TMR_TIMEBASE __SIOWR('T', 1, int)
+#define SNDCTL_TMR_START __SIO ('T', 2)
+#define SNDCTL_TMR_STOP __SIO ('T', 3)
+#define SNDCTL_TMR_CONTINUE __SIO ('T', 4)
+#define SNDCTL_TMR_TEMPO __SIOWR('T', 5, int)
+#define SNDCTL_TMR_SOURCE __SIOWR('T', 6, int)
+# define TMR_INTERNAL 0x00000001
+# define TMR_EXTERNAL 0x00000002
+# define TMR_MODE_MIDI 0x00000010
+# define TMR_MODE_FSK 0x00000020
+# define TMR_MODE_CLS 0x00000040
+# define TMR_MODE_SMPTE 0x00000080
+#define SNDCTL_TMR_METRONOME __SIOW ('T', 7, int)
+#define SNDCTL_TMR_SELECT __SIOW ('T', 8, int)
+
+/*
+ * Sample loading mechanism for internal synthesizers (/dev/sequencer)
+ * (for the .PAT format).
+ */
+
+struct patch_info
+{
+ unsigned short key; /* Use WAVE_PATCH here */
+#define WAVE_PATCH _PATCHKEY(0x04)
+#define GUS_PATCH WAVE_PATCH
+#define WAVEFRONT_PATCH _PATCHKEY(0x06)
+
+ short device_no; /* Synthesizer number */
+ short instr_no; /* Midi pgm# */
+
+ unsigned int mode;
+/*
+ * The least significant byte has the same format than the GUS .PAT
+ * files
+ */
+#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
+#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
+#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
+#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
+#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
+#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3) */
+#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
+#define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */
+ /* (use the env_rate/env_offs fields). */
+/* Linux specific bits */
+#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
+#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
+#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
+#define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */
+/* Reserved bits */
+#define WAVE_ROM 0x40000000 /* For future use */
+#define WAVE_MULAW 0x20000000 /* For future use */
+/* Other bits must be zeroed */
+
+ int len; /* Size of the wave data in bytes */
+ int loop_start, loop_end; /* Byte offsets from the beginning */
+
+/*
+ * The base_freq and base_note fields are used when computing the
+ * playback speed for a note. The base_note defines the tone frequency
+ * which is heard if the sample is played using the base_freq as the
+ * playback speed.
+ *
+ * The low_note and high_note fields define the minimum and maximum note
+ * frequencies for which this sample is valid. It is possible to define
+ * more than one samples for an instrument number at the same time. The
+ * low_note and high_note fields are used to select the most suitable one.
+ *
+ * The fields base_note, high_note and low_note should contain
+ * the note frequency multiplied by 1000. For example value for the
+ * middle A is 440*1000.
+ */
+
+ unsigned int base_freq;
+ unsigned int base_note;
+ unsigned int high_note;
+ unsigned int low_note;
+ int panning; /* -128=left, 127=right */
+ int detuning;
+
+ /* Envelope. Enabled by mode bit WAVE_ENVELOPES */
+ unsigned char env_rate[6]; /* GUS HW ramping rate */
+ unsigned char env_offset[6]; /* 255 == 100% */
+
+ /*
+ * The tremolo, vibrato and scale info are not supported yet.
+ * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
+ * WAVE_SCALE
+ */
+
+ unsigned char tremolo_sweep;
+ unsigned char tremolo_rate;
+ unsigned char tremolo_depth;
+
+ unsigned char vibrato_sweep;
+ unsigned char vibrato_rate;
+ unsigned char vibrato_depth;
+
+ int scale_frequency;
+ unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
+
+ int volume;
+ int fractions;
+ int reserved1;
+ int spare[2];
+ char data[1]; /* The waveform data starts here */
+};
+
+struct sysex_info
+{
+ short key; /* Use SYSEX_PATCH or MAUI_PATCH here */
+#define SYSEX_PATCH _PATCHKEY(0x05)
+#define MAUI_PATCH _PATCHKEY(0x06)
+ short device_no; /* Synthesizer number */
+ int len; /* Size of the sysex data in bytes */
+ unsigned char data[1]; /* Sysex data starts here */
+};
+
+/*
+ * /dev/sequencer input events.
+ *
+ * The data written to the /dev/sequencer is a stream of events. Events
+ * are records of 4 or 8 bytes. The first byte defines the size.
+ * Any number of events can be written with a write call. There
+ * is a set of macros for sending these events. Use these macros if you
+ * want to maximize portability of your program.
+ *
+ * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
+ * (All input events are currently 4 bytes long. Be prepared to support
+ * 8 byte events also. If you receive any event having first byte >= 128,
+ * it's a 8 byte event.
+ *
+ * The events are documented at the end of this file.
+ *
+ * Normal events (4 bytes)
+ * There is also a 8 byte version of most of the 4 byte events. The
+ * 8 byte one is recommended.
+ *
+ * NOTE! All 4 byte events are now obsolete. Applications should not write
+ * them. However 4 byte events are still used as inputs from
+ * /dev/sequencer (/dev/music uses only 8 byte ones).
+ */
+#define SEQ_NOTEOFF 0
+#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
+#define SEQ_NOTEON 1
+#define SEQ_FMNOTEON SEQ_NOTEON
+#define SEQ_WAIT TMR_WAIT_ABS
+#define SEQ_PGMCHANGE 3
+#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
+#define SEQ_SYNCTIMER TMR_START
+#define SEQ_MIDIPUTC 5
+#define SEQ_DRUMON 6 /*** OBSOLETE ***/
+#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
+#define SEQ_ECHO TMR_ECHO /* For synching programs with output */
+#define SEQ_AFTERTOUCH 9
+#define SEQ_CONTROLLER 10
+#define SEQ_BALANCE 11
+#define SEQ_VOLMODE 12
+
+/************************************
+ * Midi controller numbers *
+ ************************************/
+/*
+ * Controllers 0 to 31 (0x00 to 0x1f) and
+ * 32 to 63 (0x20 to 0x3f) are continuous
+ * controllers.
+ * In the MIDI 1.0 these controllers are sent using
+ * two messages. Controller numbers 0 to 31 are used
+ * to send the MSB and the controller numbers 32 to 63
+ * are for the LSB. Note that just 7 bits are used in MIDI bytes.
+ */
+
+#define CTL_BANK_SELECT 0x00
+#define CTL_MODWHEEL 0x01
+#define CTL_BREATH 0x02
+/* undefined 0x03 */
+#define CTL_FOOT 0x04
+#define CTL_PORTAMENTO_TIME 0x05
+#define CTL_DATA_ENTRY 0x06
+#define CTL_MAIN_VOLUME 0x07
+#define CTL_BALANCE 0x08
+/* undefined 0x09 */
+#define CTL_PAN 0x0a
+#define CTL_EXPRESSION 0x0b
+/* undefined 0x0c */
+/* undefined 0x0d */
+/* undefined 0x0e */
+/* undefined 0x0f */
+#define CTL_GENERAL_PURPOSE1 0x10
+#define CTL_GENERAL_PURPOSE2 0x11
+#define CTL_GENERAL_PURPOSE3 0x12
+#define CTL_GENERAL_PURPOSE4 0x13
+/* undefined 0x14 - 0x1f */
+
+/* undefined 0x20 */
+/* The controller numbers 0x21 to 0x3f are reserved for the */
+/* least significant bytes of the controllers 0x00 to 0x1f. */
+/* These controllers are not recognised by the driver. */
+
+/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
+/* 0=OFF and 127=ON (intermediate values are possible) */
+#define CTL_DAMPER_PEDAL 0x40
+#define CTL_SUSTAIN 0x40 /* Alias */
+#define CTL_HOLD 0x40 /* Alias */
+#define CTL_PORTAMENTO 0x41
+#define CTL_SOSTENUTO 0x42
+#define CTL_SOFT_PEDAL 0x43
+/* undefined 0x44 */
+#define CTL_HOLD2 0x45
+/* undefined 0x46 - 0x4f */
+
+#define CTL_GENERAL_PURPOSE5 0x50
+#define CTL_GENERAL_PURPOSE6 0x51
+#define CTL_GENERAL_PURPOSE7 0x52
+#define CTL_GENERAL_PURPOSE8 0x53
+/* undefined 0x54 - 0x5a */
+#define CTL_EXT_EFF_DEPTH 0x5b
+#define CTL_TREMOLO_DEPTH 0x5c
+#define CTL_CHORUS_DEPTH 0x5d
+#define CTL_DETUNE_DEPTH 0x5e
+#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */
+#define CTL_PHASER_DEPTH 0x5f
+#define CTL_DATA_INCREMENT 0x60
+#define CTL_DATA_DECREMENT 0x61
+#define CTL_NONREG_PARM_NUM_LSB 0x62
+#define CTL_NONREG_PARM_NUM_MSB 0x63
+#define CTL_REGIST_PARM_NUM_LSB 0x64
+#define CTL_REGIST_PARM_NUM_MSB 0x65
+/* undefined 0x66 - 0x78 */
+/* reserved 0x79 - 0x7f */
+
+/* Pseudo controllers (not midi compatible) */
+#define CTRL_PITCH_BENDER 255
+#define CTRL_PITCH_BENDER_RANGE 254
+#define CTRL_EXPRESSION 253 /* Obsolete */
+#define CTRL_MAIN_VOLUME 252 /* Obsolete */
+
+/*
+ * Volume mode defines how volumes are used
+ */
+
+#define VOL_METHOD_ADAGIO 1
+#define VOL_METHOD_LINEAR 2
+
+/*
+ * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
+ * input events.
+ */
+
+/*
+ * Event codes 0xf0 to 0xfc are reserved for future extensions.
+ */
+
+#define SEQ_FULLSIZE 0xfd /* Long events */
+/*
+ * SEQ_FULLSIZE events are used for loading patches/samples to the
+ * synthesizer devices. These events are passed directly to the driver
+ * of the associated synthesizer device. There is no limit to the size
+ * of the extended events. These events are not queued but executed
+ * immediately when the write() is called (execution can take several
+ * seconds of time).
+ *
+ * When a SEQ_FULLSIZE message is written to the device, it must
+ * be written using exactly one write() call. Other events cannot
+ * be mixed to the same write.
+ *
+ * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
+ * /dev/sequencer. Don't write other data together with the instrument structure
+ * Set the key field of the structure to FM_PATCH. The device field is used to
+ * route the patch to the corresponding device.
+ *
+ * For wave table use struct patch_info. Initialize the key field
+ * to WAVE_PATCH.
+ */
+#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
+#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
+
+/*
+ * Record for FM patches
+ */
+
+typedef unsigned char sbi_instr_data[32];
+
+struct sbi_instrument
+{
+ unsigned short key; /* FM_PATCH or OPL3_PATCH */
+#define FM_PATCH _PATCHKEY(0x01)
+#define OPL3_PATCH _PATCHKEY(0x03)
+ short device; /* Synth# (0-4) */
+ int channel; /* Program# to be initialized */
+ sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
+};
+
+struct synth_info
+{ /* Read only */
+ char name[30];
+ int device; /* 0-N. INITIALIZE BEFORE CALLING */
+ int synth_type;
+#define SYNTH_TYPE_FM 0
+#define SYNTH_TYPE_SAMPLE 1
+#define SYNTH_TYPE_MIDI 2 /* Midi interface */
+
+ int synth_subtype;
+#define FM_TYPE_ADLIB 0x00
+#define FM_TYPE_OPL3 0x01
+#define MIDI_TYPE_MPU401 0x401
+
+#define SAMPLE_TYPE_BASIC 0x10
+#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
+#define SAMPLE_TYPE_WAVEFRONT 0x11
+
+ int perc_mode; /* No longer supported */
+ int nr_voices;
+ int nr_drums; /* Obsolete field */
+ int instr_bank_size;
+ unsigned int capabilities;
+#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
+#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
+#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
+ int dummies[19]; /* Reserve space */
+};
+
+struct sound_timer_info
+{
+ char name[32];
+ int caps;
+};
+
+struct midi_info /* OBSOLETE */
+{
+ char name[30];
+ int device; /* 0-N. INITIALIZE BEFORE CALLING */
+ unsigned int capabilities; /* To be defined later */
+ int dev_type;
+ int dummies[18]; /* Reserve space */
+};
+
+/*
+ * Level 2 event types for /dev/sequencer
+ */
+
+/*
+ * The 4 most significant bits of byte 0 specify the class of
+ * the event:
+ *
+ * 0x8X = system level events,
+ * 0x9X = device/port specific events, event[1] = device/port,
+ * The last 4 bits give the subtype:
+ * 0x02 = Channel event (event[3] = chn).
+ * 0x01 = note event (event[4] = note).
+ * (0x01 is not used alone but always with bit 0x02).
+ * event[2] = MIDI message code (0x80=note off etc.)
+ *
+ */
+
+#define EV_SEQ_LOCAL 0x80
+#define EV_TIMING 0x81
+#define EV_CHN_COMMON 0x92
+#define EV_CHN_VOICE 0x93
+#define EV_SYSEX 0x94
+#define EV_SYSTEM 0x95 /* MIDI system and real time messages (input only) */
+/*
+ * Event types 200 to 220 are reserved for application use.
+ * These numbers will not be used by the driver.
+ */
+
+/*
+ * Events for event type EV_CHN_VOICE
+ */
+
+#define MIDI_NOTEOFF 0x80
+#define MIDI_NOTEON 0x90
+#define MIDI_KEY_PRESSURE 0xA0
+
+/*
+ * Events for event type EV_CHN_COMMON
+ */
+
+#define MIDI_CTL_CHANGE 0xB0
+#define MIDI_PGM_CHANGE 0xC0
+#define MIDI_CHN_PRESSURE 0xD0
+#define MIDI_PITCH_BEND 0xE0
+
+#define MIDI_SYSTEM_PREFIX 0xF0
+
+/*
+ * Timer event types
+ */
+#define TMR_WAIT_REL 1 /* Time relative to the prev time */
+#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
+#define TMR_STOP 3
+#define TMR_START 4
+#define TMR_CONTINUE 5
+#define TMR_TEMPO 6
+#define TMR_ECHO 8
+#define TMR_CLOCK 9 /* MIDI clock */
+#define TMR_SPP 10 /* Song position pointer */
+#define TMR_TIMESIG 11 /* Time signature */
+
+/*
+ * Local event types
+ */
+#define LOCL_STARTAUDIO 1
+#define LOCL_STARTAUDIO2 2
+#define LOCL_STARTAUDIO3 3
+#define LOCL_STARTAUDIO4 4
+
+#if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS)
+/*
+ * Some convenience macros to simplify programming of the
+ * /dev/sequencer interface
+ *
+ * These macros define the API which should be used when possible.
+ */
+#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
+
+void seqbuf_dump (void); /* This function must be provided by programs */
+
+EXTERNC int OSS_init (int seqfd, int buflen);
+EXTERNC void OSS_seqbuf_dump (int fd, unsigned char *buf, int buflen);
+EXTERNC void OSS_seq_advbuf (int len, int fd, unsigned char *buf, int buflen);
+EXTERNC void OSS_seq_needbuf (int len, int fd, unsigned char *buf,
+ int buflen);
+EXTERNC void OSS_patch_caching (int dev, int chn, int patch, int fd,
+ unsigned char *buf, int buflen);
+EXTERNC void OSS_drum_caching (int dev, int chn, int patch, int fd,
+ unsigned char *buf, int buflen);
+EXTERNC void OSS_write_patch (int fd, unsigned char *buf, int len);
+EXTERNC int OSS_write_patch2 (int fd, unsigned char *buf, int len);
+
+#define SEQ_PM_DEFINES int __foo_bar___
+#ifdef OSSLIB
+# define SEQ_USE_EXTBUF() \
+ EXTERNC unsigned char *_seqbuf; \
+ EXTERNC int _seqbuflen;EXTERNC int _seqbufptr
+# define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len
+# define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen)
+# define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen)
+# define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen)
+
+# define SEQ_LOAD_GMINSTR(dev, instr) \
+ OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen)
+# define SEQ_LOAD_GMDRUM(dev, drum) \
+ OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen)
+#else /* !OSSLIB */
+
+# define SEQ_LOAD_GMINSTR(dev, instr)
+# define SEQ_LOAD_GMDRUM(dev, drum)
+
+# define SEQ_USE_EXTBUF() \
+ EXTERNC unsigned char _seqbuf[]; \
+ EXTERNC int _seqbuflen;EXTERNC int _seqbufptr
+
+#ifndef USE_SIMPLE_MACROS
+/* Sample seqbuf_dump() implementation:
+ *
+ * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
+ *
+ * int seqfd; -- The file descriptor for /dev/sequencer.
+ *
+ * void
+ * seqbuf_dump ()
+ * {
+ * if (_seqbufptr)
+ * if (write (seqfd, _seqbuf, _seqbufptr) == -1)
+ * {
+ * perror ("write /dev/sequencer");
+ * exit (-1);
+ * }
+ * _seqbufptr = 0;
+ * }
+ */
+
+#define SEQ_DEFINEBUF(len) \
+ unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
+#define _SEQ_NEEDBUF(len) \
+ if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
+#define _SEQ_ADVBUF(len) _seqbufptr += len
+#define SEQ_DUMPBUF seqbuf_dump
+#else
+/*
+ * This variation of the sequencer macros is used just to format one event
+ * using fixed buffer.
+ *
+ * The program using the macro library must define the following macros before
+ * using this library.
+ *
+ * #define _seqbuf name of the buffer (unsigned char[])
+ * #define _SEQ_ADVBUF(len) If the applic needs to know the exact
+ * size of the event, this macro can be used.
+ * Otherwise this must be defined as empty.
+ * #define _seqbufptr Define the name of index variable or 0 if
+ * not required.
+ */
+#define _SEQ_NEEDBUF(len) /* empty */
+#endif
+#endif /* !OSSLIB */
+
+#define SEQ_VOLUME_MODE(dev, mode) \
+ {_SEQ_NEEDBUF(8);\
+ _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
+ _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
+ _seqbuf[_seqbufptr+2] = (dev);\
+ _seqbuf[_seqbufptr+3] = (mode);\
+ _seqbuf[_seqbufptr+4] = 0;\
+ _seqbuf[_seqbufptr+5] = 0;\
+ _seqbuf[_seqbufptr+6] = 0;\
+ _seqbuf[_seqbufptr+7] = 0;\
+ _SEQ_ADVBUF(8);}
+
+/*
+ * Midi voice messages
+ */
+
+#define _CHN_VOICE(dev, event, chn, note, parm) \
+ {_SEQ_NEEDBUF(8);\
+ _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
+ _seqbuf[_seqbufptr+1] = (dev);\
+ _seqbuf[_seqbufptr+2] = (event);\
+ _seqbuf[_seqbufptr+3] = (chn);\
+ _seqbuf[_seqbufptr+4] = (note);\
+ _seqbuf[_seqbufptr+5] = (parm);\
+ _seqbuf[_seqbufptr+6] = (0);\
+ _seqbuf[_seqbufptr+7] = 0;\
+ _SEQ_ADVBUF(8);}
+
+#define SEQ_START_NOTE(dev, chn, note, vol) \
+ _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
+
+#define SEQ_STOP_NOTE(dev, chn, note, vol) \
+ _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
+
+#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
+ _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
+
+/*
+ * Midi channel messages
+ */
+
+#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
+ {_SEQ_NEEDBUF(8);\
+ _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
+ _seqbuf[_seqbufptr+1] = (dev);\
+ _seqbuf[_seqbufptr+2] = (event);\
+ _seqbuf[_seqbufptr+3] = (chn);\
+ _seqbuf[_seqbufptr+4] = (p1);\
+ _seqbuf[_seqbufptr+5] = (p2);\
+ *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
+ _SEQ_ADVBUF(8);}
+/*
+ * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
+ * sending any MIDI bytes but it's absolutely not possible. Trying to do
+ * so _will_ cause problems with MPU401 intelligent mode).
+ *
+ * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
+ * sent by calling SEQ_SYSEX() several times (there must be no other events
+ * between them). First sysex fragment must have 0xf0 in the first byte
+ * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
+ * between these sysex start and end markers cannot be larger than 0x7f. Also
+ * lengths of each fragments (except the last one) must be 6.
+ *
+ * Breaking the above rules may work with some MIDI ports but is likely to
+ * cause fatal problems with some other devices (such as MPU401).
+ */
+#define SEQ_SYSEX(dev, buf, len) \
+ {int ii, ll=(len); \
+ unsigned char *bufp=buf;\
+ if (ll>6)ll=6;\
+ _SEQ_NEEDBUF(8);\
+ _seqbuf[_seqbufptr] = EV_SYSEX;\
+ _seqbuf[_seqbufptr+1] = (dev);\
+ for(ii=0;ii<ll;ii++)\
+ _seqbuf[_seqbufptr+ii+2] = bufp[ii];\
+ for(ii=ll;ii<6;ii++)\
+ _seqbuf[_seqbufptr+ii+2] = 0xff;\
+ _SEQ_ADVBUF(8);}
+
+#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
+ _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
+
+#define SEQ_SET_PATCH SEQ_PGM_CHANGE
+#ifdef OSSLIB
+# define SEQ_PGM_CHANGE(dev, chn, patch) \
+ {OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \
+ _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);}
+#else
+# define SEQ_PGM_CHANGE(dev, chn, patch) \
+ _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
+#endif
+
+#define SEQ_CONTROL(dev, chn, controller, value) \
+ _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
+
+#define SEQ_BENDER(dev, chn, value) \
+ _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
+
+#define SEQ_V2_X_CONTROL(dev, voice, controller, value) \
+ {_SEQ_NEEDBUF(8);\
+ _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
+ _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
+ _seqbuf[_seqbufptr+2] = (dev);\
+ _seqbuf[_seqbufptr+3] = (voice);\
+ _seqbuf[_seqbufptr+4] = (controller);\
+ _seqbuf[_seqbufptr+5] = ((value)&0xff);\
+ _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
+ _seqbuf[_seqbufptr+7] = 0;\
+ _SEQ_ADVBUF(8);}
+/*
+ * The following 5 macros are incorrectly implemented and obsolete.
+ * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
+ */
+#define SEQ_PITCHBEND(dev, voice, value) \
+ SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
+#define SEQ_BENDER_RANGE(dev, voice, value) \
+ SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
+#define SEQ_EXPRESSION(dev, voice, value) \
+ SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
+#define SEQ_MAIN_VOLUME(dev, voice, value) \
+ SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
+#define SEQ_PANNING(dev, voice, pos) \
+ SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
+
+/*
+ * Timing and syncronization macros
+ */
+
+#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
+ _seqbuf[_seqbufptr+0] = EV_TIMING; \
+ _seqbuf[_seqbufptr+1] = (ev); \
+ _seqbuf[_seqbufptr+2] = 0;\
+ _seqbuf[_seqbufptr+3] = 0;\
+ *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
+ _SEQ_ADVBUF(8);}
+
+#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
+#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
+#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
+#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
+#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
+#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
+#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
+#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
+#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
+
+/*
+ * Local control events
+ */
+
+#define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
+ _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
+ _seqbuf[_seqbufptr+1] = (ev); \
+ _seqbuf[_seqbufptr+2] = 0;\
+ _seqbuf[_seqbufptr+3] = 0;\
+ *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
+ _SEQ_ADVBUF(8);}
+
+#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
+#define SEQ_PLAYAUDIO2(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO2, devmask)
+#define SEQ_PLAYAUDIO3(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO3, devmask)
+#define SEQ_PLAYAUDIO4(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO4, devmask)
+/*
+ * Events for the level 1 interface only
+ */
+
+#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
+ _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
+ _seqbuf[_seqbufptr+1] = (byte);\
+ _seqbuf[_seqbufptr+2] = (device);\
+ _seqbuf[_seqbufptr+3] = 0;\
+ _SEQ_ADVBUF(4);}
+
+/*
+ * Patch loading.
+ */
+#ifdef OSSLIB
+# define SEQ_WRPATCH(patchx, len) \
+ OSS_write_patch(seqfd, (char*)(patchx), len)
+# define SEQ_WRPATCH2(patchx, len) \
+ OSS_write_patch2(seqfd, (char*)(patchx), len)
+#else
+# define SEQ_WRPATCH(patchx, len) \
+ {if (_seqbufptr) SEQ_DUMPBUF();\
+ if (write(seqfd, (char*)(patchx), len)==-1) \
+ perror("Write patch: /dev/sequencer");}
+# define SEQ_WRPATCH2(patchx, len) \
+ (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
+#endif
+
+#endif
+#endif /* ifndef DISABLE_SEQUENCER */
+
+/*
+ ****************************************************************************
+ * ioctl commands for the /dev/midi##
+ ****************************************************************************/
+#define SNDCTL_MIDI_PRETIME __SIOWR('m', 0, int)
+
+#if 0
+/*
+ * The SNDCTL_MIDI_MPUMODE and SNDCTL_MIDI_MPUCMD calls
+ * are completely obsolete. The hardware device (MPU-401 "intelligent mode"
+ * and compatibles) has disappeared from the market 10 years ago so there
+ * is no need for this stuff. The MPU-401 "UART" mode devices don't support
+ * this stuff.
+ */
+typedef struct
+{
+ unsigned char cmd;
+ char nr_args, nr_returns;
+ unsigned char data[30];
+} mpu_command_rec;
+
+#define SNDCTL_MIDI_MPUMODE __SIOWR('m', 1, int)
+#define SNDCTL_MIDI_MPUCMD __SIOWR('m', 2, mpu_command_rec)
+#endif
+
+/*
+ * SNDCTL_MIDI_MTCINPUT turns on a mode where OSS automatically inserts
+ * MTC quarter frame messages (F1 xx) to the input.
+ * The argument is the MTC mode:
+ *
+ * -1 = Turn MTC messages OFF (default)
+ * 24 = 24 FPS
+ * 25 = 25 FPS
+ * 29 = 30 FPS drop frame
+ * 30 = 30 FPS
+ *
+ * Note that 25 FPS mode is probably the only mode that is supported. Other
+ * modes may be supported in the future versions of OSS, 25 FPS is handy
+ * because it generates 25*4=100 quarter frame messages per second which
+ * matches the usual 100 HZ system timer rate).
+ *
+ * The quarter frame timer will be reset to 0:00:00:00.0 at the moment this
+ * ioctl is made.
+ */
+#define SNDCTL_MIDI_MTCINPUT __SIOWR('m', 3, int)
+
+/*
+ * MTC/SMPTE time code record (for future use)
+ */
+typedef struct
+{
+ unsigned char hours, minutes, seconds, frames, qframes;
+ char direction;
+#define MTC_DIR_STOPPED 0
+#define MTC_DIR_FORWARD 1
+#define MTC_DIR_BACKWARD -1
+ unsigned char time_code_type;
+ unsigned int flags;
+} oss_mtc_data_t;
+
+#define SNDCTL_MIDI_SETMODE __SIOWR('m', 6, int)
+# define MIDI_MODE_TRADITIONAL 0
+# define MIDI_MODE_TIMED 1 /* Input times are in MIDI ticks */
+# define MIDI_MODE_TIMED_ABS 2 /* Input times are absolute (usecs) */
+
+/*
+ * Packet header for MIDI_MODE_TIMED and MIDI_MODE_TIMED_ABS
+ */
+#ifdef OSS_NO_LONG_LONG
+ typedef unsigned long oss_midi_time_t; /* This will not be enough but anyway */
+#else
+ typedef unsigned long long oss_midi_time_t; /* Variable type for MIDI time (clock ticks) */
+#endif
+
+typedef struct
+{
+ int magic; /* Initialize to MIDI_HDR_MAGIC */
+#define MIDI_HDR_MAGIC -1
+ unsigned short event_type;
+#define MIDI_EV_WRITE 0 /* Write or read (with payload) */
+#define MIDI_EV_TEMPO 1
+#define MIDI_EV_ECHO 2
+#define MIDI_EV_START 3
+#define MIDI_EV_STOP 4
+#define MIDI_EV_CONTINUE 5
+#define MIDI_EV_XPRESSWRITE 6
+#define MIDI_EV_TIMEBASE 7
+#define MIDI_EV_DEVCTL 8 /* Device control read/write */
+ unsigned short options;
+#define MIDI_OPT_NONE 0x0000
+#define MIDI_OPT_TIMED 0x0001
+#define MIDI_OPT_CONTINUATION 0x0002
+#define MIDI_OPT_USECTIME 0x0004 /* Time is absolute (in usecs) */
+#define MIDI_OPT_BUSY 0x0008 /* Reserved for internal use */
+ oss_midi_time_t time;
+#ifdef OSS_NO_LONG_LONG
+ /* oss_midi_time_t is just 32 bits instead of 64. Use a padding word to compensate this */
+ int budding;
+#endif
+ int parm;
+ int filler[4]; /* Fur future expansion - init to zeros */
+} midi_packet_header_t;
+/*
+ * MIDI_PAYLOAD_SIZE is the maximum size of one MIDI input chunk. It must be
+ * less (or equal) than 1024 which is the read size recommended in the
+ * documentation. TODO: Explain this better.
+ */
+#define MIDI_PAYLOAD_SIZE 1000
+
+typedef struct
+{
+ midi_packet_header_t hdr;
+ unsigned char payload[MIDI_PAYLOAD_SIZE];
+} midi_packet_t;
+
+#define SNDCTL_MIDI_TIMEBASE __SIOWR('m', 7, int)
+#define SNDCTL_MIDI_TEMPO __SIOWR('m', 8, int)
+/*
+ * User land MIDI servers (synths) can use SNDCTL_MIDI_SET_LATENCY
+ * to request MIDI events to be sent to them in advance. The parameter
+ * (in microseconds) tells how much before the events are submitted.
+ *
+ * This feature is only valid for loopback devices and possibly some other
+ * types of virtual devices.
+ */
+#define SNDCTL_MIDI_SET_LATENCY __SIOW ('m', 9, int)
+/*
+ ****************************************************************************
+ * IOCTL commands for /dev/dsp
+ ****************************************************************************/
+
+#define SNDCTL_DSP_HALT __SIO ('P', 0)
+#define SNDCTL_DSP_RESET SNDCTL_DSP_HALT /* Old name */
+#define SNDCTL_DSP_SYNC __SIO ('P', 1)
+#define SNDCTL_DSP_SPEED __SIOWR('P', 2, int)
+
+/* SNDCTL_DSP_STEREO is obsolete - use SNDCTL_DSP_CHANNELS instead */
+#define SNDCTL_DSP_STEREO __SIOWR('P', 3, int)
+/* SNDCTL_DSP_STEREO is obsolete - use SNDCTL_DSP_CHANNELS instead */
+
+#define SNDCTL_DSP_GETBLKSIZE __SIOWR('P', 4, int)
+#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
+#define SNDCTL_DSP_CHANNELS __SIOWR('P', 6, int)
+#define SNDCTL_DSP_POST __SIO ('P', 8)
+#define SNDCTL_DSP_SUBDIVIDE __SIOWR('P', 9, int)
+#define SNDCTL_DSP_SETFRAGMENT __SIOWR('P',10, int)
+
+/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
+#define SNDCTL_DSP_GETFMTS __SIOR ('P',11, int) /* Returns a mask */
+#define SNDCTL_DSP_SETFMT __SIOWR('P',5, int) /* Selects ONE fmt */
+# define AFMT_QUERY 0x00000000 /* Return current fmt */
+# define AFMT_MU_LAW 0x00000001
+# define AFMT_A_LAW 0x00000002
+# define AFMT_IMA_ADPCM 0x00000004
+# define AFMT_U8 0x00000008
+# define AFMT_S16_LE 0x00000010 /* Little endian signed 16 */
+# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
+# define AFMT_S8 0x00000040
+# define AFMT_U16_LE 0x00000080 /* Little endian U16 */
+# define AFMT_U16_BE 0x00000100 /* Big endian U16 */
+# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */
+
+/* AC3 _compressed_ bitstreams (See Programmer's Guide for details). */
+# define AFMT_AC3 0x00000400
+/* Ogg Vorbis _compressed_ bit streams */
+# define AFMT_VORBIS 0x00000800
+
+/* 32 bit formats (MSB aligned) formats */
+# define AFMT_S32_LE 0x00001000
+# define AFMT_S32_BE 0x00002000
+
+/* Reserved for _native_ endian double precision IEEE floating point */
+# define AFMT_FLOAT 0x00004000
+
+/* 24 bit formats (LSB aligned in 32 bit word) formats */
+# define AFMT_S24_LE 0x00008000
+# define AFMT_S24_BE 0x00010000
+
+/*
+ * S/PDIF raw format. In this format the S/PDIF frames (including all
+ * control and user bits) are included in the data stream. Each sample
+ * is stored in a 32 bit frame (see IEC-958 for more info). This format
+ * is supported by very few devices and it's only usable for purposes
+ * where full access to the control/user bits is required (real time control).
+ */
+# define AFMT_SPDIF_RAW 0x00020000
+
+/* 24 bit packed (3 byte) little endian format (USB compatibility) */
+# define AFMT_S24_PACKED 0x00040000
+
+
+/*
+ * Some big endian/little endian handling macros (native endian and opposite
+ * endian formats). The usage of these macros is described in the OSS
+ * Programmer's Manual.
+ */
+
+#if defined(_AIX) || defined(AIX) || defined(sparc) || defined(__hppa) || defined(PPC) || defined(__powerpc__) && !defined(i386) && !defined(__i386) && !defined(__i386__)
+
+/* Big endian machines */
+# define _PATCHKEY(id) (0xfd00|id)
+# define AFMT_S16_NE AFMT_S16_BE
+# define AFMT_U16_NE AFMT_U16_BE
+# define AFMT_S32_NE AFMT_S32_BE
+# define AFMT_S24_NE AFMT_S24_BE
+# define AFMT_S16_OE AFMT_S16_LE
+# define AFMT_S32_OE AFMT_S32_LE
+# define AFMT_S24_OE AFMT_S24_LE
+#else
+# define _PATCHKEY(id) ((id<<8)|0xfd)
+# define AFMT_S16_NE AFMT_S16_LE
+# define AFMT_U16_NE AFMT_U16_LE
+# define AFMT_S32_NE AFMT_S32_LE
+# define AFMT_S24_NE AFMT_S24_LE
+# define AFMT_S16_OE AFMT_S16_BE
+# define AFMT_S32_OE AFMT_S32_BE
+# define AFMT_S24_OE AFMT_S24_BE
+#endif
+/*
+ * Buffer status queries.
+ */
+typedef struct audio_buf_info
+{
+ int fragments; /* # of available fragments (partially usend ones not counted) */
+ int fragstotal; /* Total # of fragments allocated */
+ int fragsize; /* Size of a fragment in bytes */
+ int bytes; /* Available space in bytes (includes partially used fragments) */
+ /* Note! 'bytes' could be more than fragments*fragsize */
+} audio_buf_info;
+
+#define SNDCTL_DSP_GETOSPACE __SIOR ('P',12, audio_buf_info)
+#define SNDCTL_DSP_GETISPACE __SIOR ('P',13, audio_buf_info)
+#define SNDCTL_DSP_GETCAPS __SIOR ('P',15, int)
+# define PCM_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
+# define PCM_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
+# define PCM_CAP_REALTIME 0x00000200 /* Not in use */
+# define PCM_CAP_BATCH 0x00000400 /* Device has some kind of */
+ /* internal buffers which may */
+ /* cause some delays and */
+ /* decrease precision of timing */
+# define PCM_CAP_COPROC 0x00000800 /* Has a coprocessor */
+ /* Sometimes it's a DSP */
+ /* but usually not */
+# define PCM_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
+# define PCM_CAP_MMAP 0x00002000 /* Supports mmap() */
+# define PCM_CAP_MULTI 0x00004000 /* Supports multiple open */
+# define PCM_CAP_BIND 0x00008000 /* Supports binding to front/rear/center/lfe */
+# define PCM_CAP_INPUT 0x00010000 /* Supports recording */
+# define PCM_CAP_OUTPUT 0x00020000 /* Supports playback */
+# define PCM_CAP_VIRTUAL 0x00040000 /* Virtual device */
+/* 0x00040000 and 0x00080000 reserved for future use */
+
+/* Analog/digital control capabilities */
+# define PCM_CAP_ANALOGOUT 0x00100000
+# define PCM_CAP_ANALOGIN 0x00200000
+# define PCM_CAP_DIGITALOUT 0x00400000
+# define PCM_CAP_DIGITALIN 0x00800000
+# define PCM_CAP_ADMASK 0x00f00000
+/*
+ * NOTE! (capabilities & PCM_CAP_ADMASK)==0 means just that the
+ * digital/analog interface control features are not supported by the
+ * device/driver. However the device still supports analog, digital or
+ * both inputs/outputs (depending on the device). See the OSS Programmer's
+ * Guide for full details.
+ */
+# define PCM_CAP_SPECIAL 0x01000000 /* Not for ordinary "multimedia" use */
+# define PCM_CAP_SHADOW 0x00000000 /* OBSOLETE */
+
+/*
+ * Preferred channel usage. These bits can be used to
+ * give recommendations to the application. Used by few drivers.
+ * For example if ((caps & DSP_CH_MASK) == DSP_CH_MONO) means that
+ * the device works best in mono mode. However it doesn't necessarily mean
+ * that the device cannot be used in stereo. These bits should only be used
+ * by special applications such as multi track hard disk recorders to find
+ * out the initial setup. However the user should be able to override this
+ * selection.
+ *
+ * To find out which modes are actually supported the application should
+ * try to select them using SNDCTL_DSP_CHANNELS.
+ */
+# define DSP_CH_MASK 0x06000000 /* Mask */
+# define DSP_CH_ANY 0x00000000 /* No preferred mode */
+# define DSP_CH_MONO 0x02000000
+# define DSP_CH_STEREO 0x04000000
+# define DSP_CH_MULTI 0x06000000 /* More than two channels */
+
+# define PCM_CAP_HIDDEN 0x08000000 /* Hidden device */
+# define PCM_CAP_FREERATE 0x10000000
+# define PCM_CAP_MODEM 0x20000000 /* Modem device */
+# define PCM_CAP_DEFAULT 0x40000000 /* "Default" device */
+
+/*
+ * The PCM_CAP_* capability names were known as DSP_CAP_* prior OSS 4.0
+ * so it's necessary to define the older names too.
+ */
+#define DSP_CAP_ADMASK PCM_CAP_ADMASK
+#define DSP_CAP_ANALOGIN PCM_CAP_ANALOGIN
+#define DSP_CAP_ANALOGOUT PCM_CAP_ANALOGOUT
+#define DSP_CAP_BATCH PCM_CAP_BATCH
+#define DSP_CAP_BIND PCM_CAP_BIND
+#define DSP_CAP_COPROC PCM_CAP_COPROC
+#define DSP_CAP_DEFAULT PCM_CAP_DEFAULT
+#define DSP_CAP_DIGITALIN PCM_CAP_DIGITALIN
+#define DSP_CAP_DIGITALOUT PCM_CAP_DIGITALOUT
+#define DSP_CAP_DUPLEX PCM_CAP_DUPLEX
+#define DSP_CAP_FREERATE PCM_CAP_FREERATE
+#define DSP_CAP_HIDDEN PCM_CAP_HIDDEN
+#define DSP_CAP_INPUT PCM_CAP_INPUT
+#define DSP_CAP_MMAP PCM_CAP_MMAP
+#define DSP_CAP_MODEM PCM_CAP_MODEM
+#define DSP_CAP_MULTI PCM_CAP_MULTI
+#define DSP_CAP_OUTPUT PCM_CAP_OUTPUT
+#define DSP_CAP_REALTIME PCM_CAP_REALTIME
+#define DSP_CAP_REVISION PCM_CAP_REVISION
+#define DSP_CAP_SHADOW PCM_CAP_SHADOW
+#define DSP_CAP_TRIGGER PCM_CAP_TRIGGER
+#define DSP_CAP_VIRTUAL PCM_CAP_VIRTUAL
+
+#define SNDCTL_DSP_GETTRIGGER __SIOR ('P',16, int)
+#define SNDCTL_DSP_SETTRIGGER __SIOW ('P',16, int)
+# define PCM_ENABLE_INPUT 0x00000001
+# define PCM_ENABLE_OUTPUT 0x00000002
+
+typedef struct count_info
+{
+ unsigned int bytes; /* Total # of bytes processed */
+ int blocks; /* # of fragment transitions since last time */
+ int ptr; /* Current DMA pointer value */
+} count_info;
+
+#define SNDCTL_DSP_GETIPTR __SIOR ('P',17, count_info)
+#define SNDCTL_DSP_GETOPTR __SIOR ('P',18, count_info)
+
+typedef struct buffmem_desc
+{
+ unsigned *buffer;
+ int size;
+} buffmem_desc;
+#define SNDCTL_DSP_SETSYNCRO __SIO ('P', 21)
+#define SNDCTL_DSP_SETDUPLEX __SIO ('P', 22)
+
+#define SNDCTL_DSP_PROFILE __SIOW ('P', 23, int) /* OBSOLETE */
+#define APF_NORMAL 0 /* Normal applications */
+#define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */
+#define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */
+
+#define SNDCTL_DSP_GETODELAY __SIOR ('P', 23, int)
+
+typedef struct audio_errinfo
+{
+ int play_underruns;
+ int rec_overruns;
+ unsigned int play_ptradjust;
+ unsigned int rec_ptradjust;
+ int play_errorcount;
+ int rec_errorcount;
+ int play_lasterror;
+ int rec_lasterror;
+ int play_errorparm;
+ int rec_errorparm;
+ int filler[16];
+} audio_errinfo;
+
+#define SNDCTL_DSP_GETPLAYVOL __SIOR ('P', 24, int)
+#define SNDCTL_DSP_SETPLAYVOL __SIOWR('P', 24, int)
+#define SNDCTL_DSP_GETERROR __SIOR ('P', 25, audio_errinfo)
+/*
+ ****************************************************************************
+ * Digital interface (S/PDIF) control interface
+ */
+
+typedef struct oss_digital_control
+{
+ unsigned int caps;
+#define DIG_CBITIN_NONE 0x00000000
+#define DIG_CBITIN_LIMITED 0x00000001
+#define DIG_CBITIN_DATA 0x00000002
+#define DIG_CBITIN_BYTE0 0x00000004
+#define DIG_CBITIN_FULL 0x00000008
+#define DIG_CBITIN_MASK 0x0000000f
+#define DIG_CBITOUT_NONE 0x00000000
+#define DIG_CBITOUT_LIMITED 0x00000010
+#define DIG_CBITOUT_BYTE0 0x00000020
+#define DIG_CBITOUT_FULL 0x00000040
+#define DIG_CBITOUT_DATA 0x00000080
+#define DIG_CBITOUT_MASK 0x000000f0
+#define DIG_UBITIN 0x00000100
+#define DIG_UBITOUT 0x00000200
+#define DIG_VBITOUT 0x00000400
+#define DIG_OUTRATE 0x00000800
+#define DIG_INRATE 0x00001000
+#define DIG_INBITS 0x00002000
+#define DIG_OUTBITS 0x00004000
+#define DIG_EXACT 0x00010000
+#define DIG_PRO 0x00020000
+#define DIG_CONSUMER 0x00040000
+#define DIG_PASSTHROUGH 0x00080000
+#define DIG_OUTSEL 0x00100000
+
+ unsigned int valid;
+#define VAL_CBITIN 0x00000001
+#define VAL_UBITIN 0x00000002
+#define VAL_CBITOUT 0x00000004
+#define VAL_UBITOUT 0x00000008
+#define VAL_ISTATUS 0x00000010
+#define VAL_IRATE 0x00000020
+#define VAL_ORATE 0x00000040
+#define VAL_INBITS 0x00000080
+#define VAL_OUTBITS 0x00000100
+#define VAL_REQUEST 0x00000200
+#define VAL_OUTSEL 0x00000400
+
+#define VAL_OUTMASK (VAL_CBITOUT|VAL_UBITOUT|VAL_ORATE|VAL_OUTBITS|VAL_OUTSEL)
+
+ unsigned int request, param;
+#define SPD_RQ_PASSTHROUGH 1
+
+ unsigned char cbitin[24];
+ unsigned char ubitin[24];
+ unsigned char cbitout[24];
+ unsigned char ubitout[24];
+
+ unsigned int outsel;
+#define OUTSEL_DIGITAL 1
+#define OUTSEL_ANALOG 2
+#define OUTSEL_BOTH (OUTSEL_DIGITAL|OUTSEL_ANALOG)
+
+ int in_data; /* Audio/data if autodetectable by the receiver */
+#define IND_UNKNOWN 0
+#define IND_AUDIO 1
+#define IND_DATA 2
+
+ int in_locked; /* Receiver locked */
+#define LOCK_NOT_INDICATED 0
+#define LOCK_UNLOCKED 1
+#define LOCK_LOCKED 2
+
+ int in_quality; /* Input signal quality */
+#define IN_QUAL_NOT_INDICATED 0
+#define IN_QUAL_POOR 1
+#define IN_QUAL_GOOD 2
+
+ int in_vbit, out_vbit; /* V bits */
+#define VBIT_NOT_INDICATED 0
+#define VBIT_OFF 1
+#define VBIT_ON 2
+
+ unsigned int in_errors; /* Various input error conditions */
+#define INERR_CRC 0x0001
+#define INERR_QCODE_CRC 0x0002
+#define INERR_PARITY 0x0004
+#define INERR_BIPHASE 0x0008
+
+ int srate_in, srate_out;
+ int bits_in, bits_out;
+
+ int filler[32];
+} oss_digital_control;
+
+#define SNDCTL_DSP_READCTL __SIOWR('P', 26, oss_digital_control)
+#define SNDCTL_DSP_WRITECTL __SIOWR('P', 27, oss_digital_control)
+
+/*
+ ****************************************************************************
+ * Sync groups for audio devices
+ */
+typedef struct oss_syncgroup
+{
+ int id;
+ int mode;
+ int filler[16];
+} oss_syncgroup;
+
+#define SNDCTL_DSP_SYNCGROUP __SIOWR('P', 28, oss_syncgroup)
+#define SNDCTL_DSP_SYNCSTART __SIOW ('P', 29, int)
+
+/*
+ **************************************************************************
+ * "cooked" mode enables software based conversions for sample rate, sample
+ * format (bits) and number of channels (mono/stereo). These conversions are
+ * required with some devices that support only one sample rate or just stereo
+ * to let the applications to use other formats. The cooked mode is enabled by
+ * default. However it's necessary to disable this mode when mmap() is used or
+ * when very deterministic timing is required. SNDCTL_DSP_COOKEDMODE is an
+ * optional call introduced in OSS 3.9.6f. It's _error return must be ignored_
+ * since normally this call will return erno=EINVAL.
+ *
+ * SNDCTL_DSP_COOKEDMODE must be called immediately after open before doing
+ * anything else. Otherwise the call will not have any effect.
+ */
+#define SNDCTL_DSP_COOKEDMODE __SIOW ('P', 30, int)
+
+/*
+ **************************************************************************
+ * SNDCTL_DSP_SILENCE and SNDCTL_DSP_SKIP are new calls in OSS 3.99.0
+ * that can be used to implement pause/continue during playback (no effect
+ * on recording).
+ */
+#define SNDCTL_DSP_SILENCE __SIO ('P', 31)
+#define SNDCTL_DSP_SKIP __SIO ('P', 32)
+/*
+ ****************************************************************************
+ * Abort transfer (reset) functions for input and output
+ */
+#define SNDCTL_DSP_HALT_INPUT __SIO ('P', 33)
+#define SNDCTL_DSP_RESET_INPUT SNDCTL_DSP_HALT_INPUT /* Old name */
+#define SNDCTL_DSP_HALT_OUTPUT __SIO ('P', 34)
+#define SNDCTL_DSP_RESET_OUTPUT SNDCTL_DSP_HALT_OUTPUT /* Old name */
+/*
+ ****************************************************************************
+ * Low water level control
+ */
+#define SNDCTL_DSP_LOW_WATER __SIOW ('P', 34, int)
+
+/*
+ ****************************************************************************
+ * 64 bit pointer support. Only available in environments that support
+ * the 64 bit (long long) integer type.
+ */
+#ifndef OSS_NO_LONG_LONG
+typedef struct
+{
+ long long samples;
+ int fifo_samples;
+ int filler[32]; /* For future use */
+} oss_count_t;
+
+#define SNDCTL_DSP_CURRENT_IPTR __SIOR ('P', 35, oss_count_t)
+#define SNDCTL_DSP_CURRENT_OPTR __SIOR ('P', 36, oss_count_t)
+#endif
+
+/*
+ ****************************************************************************
+ * Interface for selecting recording sources and playback output routings.
+ */
+#define SNDCTL_DSP_GET_RECSRC_NAMES __SIOR ('P', 37, oss_mixer_enuminfo)
+#define SNDCTL_DSP_GET_RECSRC __SIOR ('P', 38, int)
+#define SNDCTL_DSP_SET_RECSRC __SIOWR('P', 38, int)
+
+#define SNDCTL_DSP_GET_PLAYTGT_NAMES __SIOR ('P', 39, oss_mixer_enuminfo)
+#define SNDCTL_DSP_GET_PLAYTGT __SIOR ('P', 40, int)
+#define SNDCTL_DSP_SET_PLAYTGT __SIOWR('P', 40, int)
+#define SNDCTL_DSP_GETRECVOL __SIOR ('P', 41, int)
+#define SNDCTL_DSP_SETRECVOL __SIOWR('P', 41, int)
+
+/*
+ ***************************************************************************
+ * Some calls for setting the channel assignment with multi channel devices
+ * (see the manual for details).
+ */
+#ifndef OSS_NO_LONG_LONG
+#define SNDCTL_DSP_GET_CHNORDER __SIOR ('P', 42, unsigned long long)
+#define SNDCTL_DSP_SET_CHNORDER __SIOWR('P', 42, unsigned long long)
+# define CHID_UNDEF 0
+# define CHID_L 1
+# define CHID_R 2
+# define CHID_C 3
+# define CHID_LFE 4
+# define CHID_LS 5
+# define CHID_RS 6
+# define CHID_LR 7
+# define CHID_RR 8
+#define CHNORDER_UNDEF 0x0000000000000000ULL
+#define CHNORDER_NORMAL 0x0000000087654321ULL
+#endif
+
+#define MAX_PEAK_CHANNELS 128
+typedef unsigned short oss_peaks_t[MAX_PEAK_CHANNELS];
+#define SNDCTL_DSP_GETIPEAKS __SIOR('P', 43, oss_peaks_t)
+#define SNDCTL_DSP_GETOPEAKS __SIOR('P', 44, oss_peaks_t)
+
+#define SNDCTL_DSP_POLICY __SIOW('P', 45, int) /* See the manual */
+
+/*
+ ****************************************************************************
+ * Few ioctl calls that are not official parts of OSS. They have been used
+ * by few freeware implementations of OSS.
+ */
+#define SNDCTL_DSP_GETCHANNELMASK __SIOWR('P', 64, int)
+#define SNDCTL_DSP_BIND_CHANNEL __SIOWR('P', 65, int)
+# define DSP_BIND_QUERY 0x00000000
+# define DSP_BIND_FRONT 0x00000001
+# define DSP_BIND_SURR 0x00000002
+# define DSP_BIND_CENTER_LFE 0x00000004
+# define DSP_BIND_HANDSET 0x00000008
+# define DSP_BIND_MIC 0x00000010
+# define DSP_BIND_MODEM1 0x00000020
+# define DSP_BIND_MODEM2 0x00000040
+# define DSP_BIND_I2S 0x00000080
+# define DSP_BIND_SPDIF 0x00000100
+# define DSP_BIND_REAR 0x00000200
+
+#ifdef sun
+/* Not part of OSS. Reserved for internal use by Solaris */
+#define X_SADA_GET_PLAYTGT_MASK __SIOR ('P', 66, int)
+#define X_SADA_GET_PLAYTGT __SIOR ('P', 67, int)
+#define X_SADA_SET_PLAYTGT __SIOWR('P', 68, int)
+#endif
+
+#ifndef NO_LEGACY_MIXER
+/*
+ ****************************************************************************
+ * IOCTL commands for the "legacy " /dev/mixer API (obsolete)
+ *
+ * Mixer controls
+ *
+ * There can be up to 20 different analog mixer channels. The
+ * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
+ * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
+ * the devices supported by the particular mixer.
+ *
+ * {!notice This "legacy" mixer API is obsolete. It has been superceded
+ * by a new one (see below).
+ */
+
+#define SOUND_MIXER_NRDEVICES 28
+#define SOUND_MIXER_VOLUME 0
+#define SOUND_MIXER_BASS 1
+#define SOUND_MIXER_TREBLE 2
+#define SOUND_MIXER_SYNTH 3
+#define SOUND_MIXER_PCM 4
+#define SOUND_MIXER_SPEAKER 5
+#define SOUND_MIXER_LINE 6
+#define SOUND_MIXER_MIC 7
+#define SOUND_MIXER_CD 8
+#define SOUND_MIXER_IMIX 9 /* Recording monitor */
+#define SOUND_MIXER_ALTPCM 10
+#define SOUND_MIXER_RECLEV 11 /* Recording level */
+#define SOUND_MIXER_IGAIN 12 /* Input gain */
+#define SOUND_MIXER_OGAIN 13 /* Output gain */
+/*
+ * Some soundcards have three line level inputs (line, aux1 and aux2).
+ * Since each card manufacturer has assigned different meanings to
+ * these inputs, it's impractical to assign specific meanings
+ * (eg line, cd, synth etc.) to them.
+ */
+#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
+#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
+#define SOUND_MIXER_LINE3 16 /* Input source 3 (aux3) */
+#define SOUND_MIXER_DIGITAL1 17 /* Digital I/O 1 */
+#define SOUND_MIXER_DIGITAL2 18 /* Digital I/O 2 */
+#define SOUND_MIXER_DIGITAL3 19 /* Digital I/O 3 */
+#define SOUND_MIXER_PHONE 20 /* Phone */
+#define SOUND_MIXER_MONO 21 /* Mono Output */
+#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
+#define SOUND_MIXER_RADIO 23 /* Radio in */
+#define SOUND_MIXER_DEPTH 24 /* Surround depth */
+#define SOUND_MIXER_REARVOL 25 /* Rear/Surround speaker vol */
+#define SOUND_MIXER_CENTERVOL 26 /* Center/LFE speaker vol */
+#define SOUND_MIXER_SIDEVOL 27 /* Side-Surround (8speaker) vol */
+
+/*
+ * Warning: SOUND_MIXER_SURRVOL is an old name of SOUND_MIXER_SIDEVOL.
+ * They are both assigned to the same mixer control. Don't
+ * use both control names in the same program/driver.
+ */
+#define SOUND_MIXER_SURRVOL SOUND_MIXER_SIDEVOL
+
+/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
+/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
+#define SOUND_ONOFF_MIN 28
+#define SOUND_ONOFF_MAX 30
+
+/* Note! Number 31 cannot be used since the sign bit is reserved */
+#define SOUND_MIXER_NONE 31
+
+/*
+ * The following unsupported macros are no longer functional.
+ * Use SOUND_MIXER_PRIVATE# macros in future.
+ */
+#define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE
+#define SOUND_MIXER_MUTE SOUND_MIXER_NONE
+#define SOUND_MIXER_LOUD SOUND_MIXER_NONE
+
+#define SOUND_DEVICE_LABELS \
+ {"Vol ", "Bass ", "Treble", "Synth", "Pcm ", "Speaker ", "Line ", \
+ "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
+ "Aux1", "Aux2", "Aux3", "Digital1", "Digital2", "Digital3", \
+ "Phone", "Mono", "Video", "Radio", "Depth", \
+ "Rear", "Center", "Side"}
+
+#define SOUND_DEVICE_NAMES \
+ {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
+ "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
+ "aux1", "aux2", "aux3", "dig1", "dig2", "dig3", \
+ "phone", "mono", "video", "radio", "depth", \
+ "rear", "center", "side"}
+
+/* Device bitmask identifiers */
+
+#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
+#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
+#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
+#define SOUND_MIXER_CAPS 0xfc
+# define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
+# define SOUND_CAP_NOLEGACY 0x00000004 /* For internal use only */
+# define SOUND_CAP_NORECSRC 0x00000008
+#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
+
+/* OSS/Free ONLY */
+#define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */
+#define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */
+/* OSS/Free ONLY */
+
+/* Device mask bits */
+
+#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
+#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
+#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
+#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
+#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
+#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
+#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
+#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
+#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
+#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
+#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
+#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
+#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
+#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
+#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
+#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
+#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
+#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
+#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
+#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
+#define SOUND_MASK_MONO (1 << SOUND_MIXER_MONO)
+#define SOUND_MASK_PHONE (1 << SOUND_MIXER_PHONE)
+#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
+#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
+#define SOUND_MASK_DEPTH (1 << SOUND_MIXER_DEPTH)
+#define SOUND_MASK_REARVOL (1 << SOUND_MIXER_REARVOL)
+#define SOUND_MASK_CENTERVOL (1 << SOUND_MIXER_CENTERVOL)
+#define SOUND_MASK_SIDEVOL (1 << SOUND_MIXER_SIDEVOL)
+
+/* Note! SOUND_MASK_SURRVOL is alias of SOUND_MASK_SIDEVOL */
+#define SOUND_MASK_SURRVOL (1 << SOUND_MIXER_SIDEVOL)
+
+/* Obsolete macros */
+#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
+#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
+#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
+
+#define MIXER_READ(dev) __SIOR('M', dev, int)
+#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
+#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
+#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
+#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
+#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
+#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
+#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
+#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
+#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
+#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
+#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
+#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
+#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
+#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
+#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
+#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
+#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
+
+/* Obsolete macros */
+#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
+#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
+#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
+
+#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
+#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
+#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
+#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
+#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
+
+#define MIXER_WRITE(dev) __SIOWR('M', dev, int)
+#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
+#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
+#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
+#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
+#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
+#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
+#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
+#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
+#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
+#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
+#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
+#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
+#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
+#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
+#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
+#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
+#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
+
+/* Obsolete macros */
+#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
+#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
+#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
+
+#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
+
+typedef struct mixer_info /* OBSOLETE */
+{
+ char id[16];
+ char name[32];
+ int modify_counter;
+ int fillers[10];
+} mixer_info;
+
+/* SOUND_MIXER_INFO is obsolete - use SNDCTL_MIXERINFO instead */
+#define SOUND_MIXER_INFO __SIOR ('M', 101, mixer_info)
+
+/*
+ * Two ioctls for special souncard function (OSS/Free only)
+ */
+#define SOUND_MIXER_AGC _SIOWR('M', 103, int)
+#define SOUND_MIXER_3DSE _SIOWR('M', 104, int)
+/*
+ * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
+ * These features can be used when accessing device specific features.
+ */
+#define SOUND_MIXER_PRIVATE1 __SIOWR('M', 111, int)
+#define SOUND_MIXER_PRIVATE2 __SIOWR('M', 112, int)
+#define SOUND_MIXER_PRIVATE3 __SIOWR('M', 113, int)
+#define SOUND_MIXER_PRIVATE4 __SIOWR('M', 114, int)
+#define SOUND_MIXER_PRIVATE5 __SIOWR('M', 115, int)
+
+/* The following two controls were never implemented and they should not be used. */
+#define SOUND_MIXER_READ_MAINVOL __SIOR ('M', 116, int)
+#define SOUND_MIXER_WRITE_MAINVOL __SIOWR('M', 116, int)
+
+/*
+ * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
+ * for querying current mixer settings from the driver and for loading
+ * default volume settings _prior_ activating the mixer (loading
+ * doesn't affect current state of the mixer hardware). These calls
+ * are for internal use by the driver software only.
+ */
+
+typedef struct mixer_vol_table
+{
+ int num; /* Index to volume table */
+ char name[32];
+ int levels[32];
+} mixer_vol_table;
+
+#define SOUND_MIXER_GETLEVELS __SIOWR('M', 116, mixer_vol_table)
+#define SOUND_MIXER_SETLEVELS __SIOWR('M', 117, mixer_vol_table)
+
+#define OSS_GETVERSION __SIOR ('M', 118, int)
+
+/*
+ * Calls to set/get the recording gain for the currently active
+ * recording source. These calls automatically map to the right control.
+ * Note that these calls are not supported by all drivers. In this case
+ * the call will return -1 with errno set to EINVAL
+ *
+ * The _MONGAIN work in similar way but set/get the monitoring gain for
+ * the currently selected recording source.
+ */
+#define SOUND_MIXER_READ_RECGAIN __SIOR ('M', 119, int)
+#define SOUND_MIXER_WRITE_RECGAIN __SIOWR('M', 119, int)
+#define SOUND_MIXER_READ_MONGAIN __SIOR ('M', 120, int)
+#define SOUND_MIXER_WRITE_MONGAIN __SIOWR('M', 120, int)
+
+/* The following call is for driver development time purposes. It's not
+ * present in any released drivers.
+ */
+typedef unsigned char oss_reserved_t[512];
+#define SOUND_MIXER_RESERVED __SIOWR('M', 121, oss_reserved_t)
+#endif /* ifndef NO_LEGACY_MIXER */
+
+/*
+ *************************************************************************
+ * The "new" mixer API of OSS 4.0 and later.
+ *
+ * This improved mixer API makes it possible to access every possible feature
+ * of every possible device. However you should read the mixer programming
+ * section of the OSS API Developer's Manual. There is no chance that you
+ * could use this interface correctly just by examining this header.
+ */
+
+typedef struct oss_sysinfo
+{
+ char product[32]; /* For example OSS/Free, OSS/Linux or OSS/Solaris */
+ char version[32]; /* For example 4.0a */
+ int versionnum; /* See OSS_GETVERSION */
+ char options[128]; /* Reserved */
+
+ int numaudios; /* # of audio/dsp devices */
+ int openedaudio[8]; /* Bit mask telling which audio devices are busy */
+
+ int numsynths; /* # of availavle synth devices */
+ int nummidis; /* # of available MIDI ports */
+ int numtimers; /* # of available timer devices */
+ int nummixers; /* # of mixer devices */
+
+ int openedmidi[8]; /* Bit mask telling which midi devices are busy */
+ int numcards; /* Number of sound cards in the system */
+ int numaudioengines; /* Number of audio engines in the system */
+ char license[16]; /* For example "GPL" or "CDDL" */
+ char revision_info[256]; /* For internal use */
+ int filler[172]; /* For future expansion */
+} oss_sysinfo;
+
+typedef struct oss_mixext
+{
+ int dev; /* Mixer device number */
+ int ctrl; /* Controller number */
+ int type; /* Entry type */
+# define MIXT_DEVROOT 0 /* Device root entry */
+# define MIXT_GROUP 1 /* Controller group */
+# define MIXT_ONOFF 2 /* OFF (0) or ON (1) */
+# define MIXT_ENUM 3 /* Enumerated (0 to maxvalue) */
+# define MIXT_MONOSLIDER 4 /* Mono slider (0 to 255) */
+# define MIXT_STEREOSLIDER 5 /* Stereo slider (dual 0 to 255) */
+# define MIXT_MESSAGE 6 /* (Readable) textual message */
+# define MIXT_MONOVU 7 /* VU meter value (mono) */
+# define MIXT_STEREOVU 8 /* VU meter value (stereo) */
+# define MIXT_MONOPEAK 9 /* VU meter peak value (mono) */
+# define MIXT_STEREOPEAK 10 /* VU meter peak value (stereo) */
+# define MIXT_RADIOGROUP 11 /* Radio button group */
+# define MIXT_MARKER 12 /* Separator between normal and extension entries */
+# define MIXT_VALUE 13 /* Decimal value entry */
+# define MIXT_HEXVALUE 14 /* Hexadecimal value entry */
+# define MIXT_MONODB 15 /* OBSOLETE */
+# define MIXT_STEREODB 16 /* OBSOLETE */
+# define MIXT_SLIDER 17 /* Slider (mono) with full (31 bit) postitive integer range */
+# define MIXT_3D 18
+
+/*
+ * Sliders with range expanded to 15 bits per channel (0-32767)
+ */
+# define MIXT_MONOSLIDER16 19
+# define MIXT_STEREOSLIDER16 20
+# define MIXT_MUTE 21 /* Mute=1, unmute=0 */
+
+ /**************************************************************/
+
+ /* Possible value range (minvalue to maxvalue) */
+ /* Note that maxvalue may also be smaller than minvalue */
+ int maxvalue;
+ int minvalue;
+
+ int flags;
+# define MIXF_READABLE 0x00000001 /* Has readable value */
+# define MIXF_WRITEABLE 0x00000002 /* Has writeable value */
+# define MIXF_POLL 0x00000004 /* May change itself */
+# define MIXF_HZ 0x00000008 /* Herz scale */
+# define MIXF_STRING 0x00000010 /* Use dynamic extensions for value */
+# define MIXF_DYNAMIC 0x00000010 /* Supports dynamic extensions */
+# define MIXF_OKFAIL 0x00000020 /* Interpret value as 1=OK, 0=FAIL */
+# define MIXF_FLAT 0x00000040 /* Flat vertical space requirements */
+# define MIXF_LEGACY 0x00000080 /* Legacy mixer control group */
+# define MIXF_CENTIBEL 0x00000100 /* Centibel (0.1 dB) step size */
+# define MIXF_DECIBEL 0x00000200 /* Step size of 1 dB */
+# define MIXF_MAINVOL 0x00000400 /* Main volume control */
+# define MIXF_PCMVOL 0x00000800 /* PCM output volume control */
+# define MIXF_RECVOL 0x00001000 /* PCM recording volume control */
+# define MIXF_MONVOL 0x00002000 /* Input->output monitor volume */
+# define MIXF_WIDE 0x00004000 /* Enum control has wide labels */
+# define MIXF_DESCR 0x00008000 /* Description (tooltip) available */
+ oss_id_t id; /* Mnemonic ID (mainly for internal use) */
+ int parent; /* Entry# of parent (group) node (-1 if root) */
+
+ int dummy; /* Internal use */
+
+ int timestamp;
+
+ char data[64]; /* Misc data (entry type dependent) */
+ unsigned char enum_present[32]; /* Mask of allowed enum values */
+ int control_no; /* SOUND_MIXER_VOLUME..SOUND_MIXER_MIDI */
+ /* (-1 means not indicated) */
+
+/*
+ * The desc field is reserved for internal purposes of OSS. It should not be
+ * used by applications.
+ */
+ unsigned int desc;
+#define MIXEXT_SCOPE_MASK 0x0000003f
+#define MIXEXT_SCOPE_OTHER 0x00000000
+#define MIXEXT_SCOPE_INPUT 0x00000001
+#define MIXEXT_SCOPE_OUTPUT 0x00000002
+#define MIXEXT_SCOPE_MONITOR 0x00000003
+#define MIXEXT_SCOPE_RECSWITCH 0x00000004
+
+ char extname[32];
+ int update_counter;
+ int rgbcolor; /* 0 means default color (not black) . Otherwise 24 bit RGB color */
+ int filler[6];
+} oss_mixext;
+
+/*
+ * Recommended colors to be used in the rgbcolor field. These match the
+ * colors used as the audio jack colors in HD audio motherboards.
+ */
+#define OSS_RGB_BLUE 0x7aabde /* Light blue */
+#define OSS_RGB_GREEN 0xb3c98c /* Lime green */
+#define OSS_RGB_PINK 0xe88c99
+#define OSS_RGB_GRAY 0xd1ccc4
+#define OSS_RGB_BLACK 0x2b2926 /* Light black */
+#define OSS_RGB_ORANGE 0xe89e47
+#define OSS_RGB_RED 0xff0000
+#define OSS_RGB_YELLOW 0xffff00
+#define OSS_RGB_PURPLE 0x800080
+#define OSS_RGB_WHITE 0xf8f8ff
+
+typedef struct oss_mixext_root
+{
+ oss_id_t id;
+ char name[48];
+} oss_mixext_root;
+
+typedef struct oss_mixer_value
+{
+ int dev;
+ int ctrl;
+ int value;
+ int flags; /* Reserved for future use. Initialize to 0 */
+ int timestamp; /* Must be set to oss_mixext.timestamp */
+ int filler[8]; /* Reserved for future use. Initialize to 0 */
+} oss_mixer_value;
+
+#define OSS_ENUM_MAXVALUE 255
+#define OSS_ENUM_STRINGSIZE 3000
+typedef struct oss_mixer_enuminfo
+{
+ int dev;
+ int ctrl;
+ int nvalues;
+ int version; /* Read the manual */
+ short strindex[OSS_ENUM_MAXVALUE];
+ char strings[OSS_ENUM_STRINGSIZE];
+} oss_mixer_enuminfo;
+
+#define OPEN_READ PCM_ENABLE_INPUT
+#define OPEN_WRITE PCM_ENABLE_OUTPUT
+#define OPEN_READWRITE (OPEN_READ|OPEN_WRITE)
+
+typedef struct oss_audioinfo
+{
+ int dev; /* Audio device number */
+ oss_devname_t name;
+ int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */
+ int pid;
+ int caps; /* PCM_CAP_INPUT, PCM_CAP_OUTPUT */
+ int iformats, oformats;
+ int magic; /* Reserved for internal use */
+ oss_cmd_t cmd; /* Command using the device (if known) */
+ int card_number;
+ int port_number;
+ int mixer_dev;
+ int legacy_device; /* Obsolete field. Replaced by devnode */
+ int enabled; /* 1=enabled, 0=device not ready at this moment */
+ int flags; /* For internal use only - no practical meaning */
+ int min_rate, max_rate; /* Sample rate limits */
+ int min_channels, max_channels; /* Number of channels supported */
+ int binding; /* DSP_BIND_FRONT, etc. 0 means undefined */
+ int rate_source;
+ oss_handle_t handle;
+#define OSS_MAX_SAMPLE_RATES 20 /* Cannot be changed */
+ unsigned int nrates, rates[OSS_MAX_SAMPLE_RATES]; /* Please read the manual before using these */
+ oss_longname_t song_name; /* Song name (if given) */
+ oss_label_t label; /* Device label (if given) */
+ int latency; /* In usecs, -1=unknown */
+ oss_devnode_t devnode; /* Device special file name (absolute path) */
+ int next_play_engine; /* Read the documentation for more info */
+ int next_rec_engine; /* Read the documentation for more info */
+ int filler[184];
+} oss_audioinfo;
+
+typedef struct oss_mixerinfo
+{
+ int dev;
+ oss_id_t id;
+ char name[32]; /* oss_devname_t is better, but may break compat */
+ int modify_counter;
+ int card_number;
+ int port_number;
+ oss_handle_t handle;
+ int magic; /* Reserved */
+ int enabled;
+ int caps;
+#define MIXER_CAP_VIRTUAL 0x00000001
+#define MIXER_CAP_LAYOUT_B 0x00000002 /* For internal use only */
+#define MIXER_CAP_NARROW 0x00000004 /* Conserve horiz space */
+ int flags; /* Reserved */
+ int nrext;
+ /*
+ * The priority field can be used to select the default (motherboard)
+ * mixer device. The mixer with the highest priority is the
+ * most preferred one. -2 or less means that this device cannot be used
+ * as the default mixer.
+ */
+ int priority;
+ oss_devnode_t devnode; /* Device special file name (absolute path) */
+ int legacy_device;
+ int filler[245]; /* Reserved */
+} oss_mixerinfo;
+
+typedef struct oss_midi_info
+{
+ int dev; /* Midi device number */
+ oss_devname_t name;
+ int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */
+ int pid;
+ oss_cmd_t cmd; /* Command using the device (if known) */
+ int caps;
+#define MIDI_CAP_MPU401 0x00000001 /**** OBSOLETE ****/
+#define MIDI_CAP_INPUT 0x00000002
+#define MIDI_CAP_OUTPUT 0x00000004
+#define MIDI_CAP_INOUT (MIDI_CAP_INPUT|MIDI_CAP_OUTPUT)
+#define MIDI_CAP_VIRTUAL 0x00000008 /* Pseudo device */
+#define MIDI_CAP_MTCINPUT 0x00000010 /* Supports SNDCTL_MIDI_MTCINPUT */
+#define MIDI_CAP_CLIENT 0x00000020 /* Virtual client side device */
+#define MIDI_CAP_SERVER 0x00000040 /* Virtual server side device */
+#define MIDI_CAP_INTERNAL 0x00000080 /* Internal (synth) device */
+#define MIDI_CAP_EXTERNAL 0x00000100 /* external (MIDI port) device */
+#define MIDI_CAP_PTOP 0x00000200 /* Point to point link to one device */
+#define MIDI_CAP_MTC 0x00000400 /* MTC/SMPTE (control) device */
+ int magic; /* Reserved for internal use */
+ int card_number;
+ int port_number;
+ int enabled; /* 1=enabled, 0=device not ready at this moment */
+ int flags; /* For internal use only - no practical meaning */
+ oss_handle_t handle;
+ oss_longname_t song_name; /* Song name (if known) */
+ oss_label_t label; /* Device label (if given) */
+ int latency; /* In usecs, -1=unknown */
+ oss_devnode_t devnode; /* Device special file name (absolute path) */
+ int legacy_device; /* Legacy device mapping */
+ int filler[235];
+} oss_midi_info;
+
+typedef struct oss_card_info
+{
+ int card;
+ char shortname[16];
+ char longname[128];
+ int flags;
+ char hw_info[400];
+ int intr_count, ack_count;
+ int filler[154];
+} oss_card_info;
+
+#define SNDCTL_SYSINFO __SIOR ('X', 1, oss_sysinfo)
+#define OSS_SYSINFO SNDCTL_SYSINFO /* Old name */
+
+#define SNDCTL_MIX_NRMIX __SIOR ('X', 2, int)
+#define SNDCTL_MIX_NREXT __SIOWR('X', 3, int)
+#define SNDCTL_MIX_EXTINFO __SIOWR('X', 4, oss_mixext)
+#define SNDCTL_MIX_READ __SIOWR('X', 5, oss_mixer_value)
+#define SNDCTL_MIX_WRITE __SIOWR('X', 6, oss_mixer_value)
+
+#define SNDCTL_AUDIOINFO __SIOWR('X', 7, oss_audioinfo)
+#define SNDCTL_MIX_ENUMINFO __SIOWR('X', 8, oss_mixer_enuminfo)
+#define SNDCTL_MIDIINFO __SIOWR('X', 9, oss_midi_info)
+#define SNDCTL_MIXERINFO __SIOWR('X',10, oss_mixerinfo)
+#define SNDCTL_CARDINFO __SIOWR('X',11, oss_card_info)
+#define SNDCTL_ENGINEINFO __SIOWR('X',12, oss_audioinfo)
+#define SNDCTL_AUDIOINFO_EX __SIOWR('X',13, oss_audioinfo)
+
+#define SNDCTL_MIX_DESCRIPTION __SIOWR('X',14, oss_mixer_enuminfo)
+
+/*
+ * SNDCTL_MIX_MATRIX_WRITE and SNDCTL_MIX_MATRIX_READ are private ioctl
+ * calls that each driver can define in whatever way they like. They can
+ * be used _ONLY_ by device specific utilities. Each driver can define
+ * meaning of the fields of oss_mixermatrix_t as they like. This means
+ * that applications using this interface will depend on the specific device.
+ *
+ * This interface can be used for example to implement a (GUI) tool that can
+ * set the signal routings of an on-board mixer matrix of some high end
+ * audio card. The application (designer) must have complete understanding
+ * of the device to be supported. The application will not be portable to any
+ * other device.
+ *
+ * Applications using this interface must verify that the magic field
+ * returned by SNDCTL_MIXERINFO matches the right device/driver.
+ */
+typedef struct
+{
+ int secret; /* Initialize this to driver spcified secret value */
+ int source, target;
+ int function;
+ int value;
+ int options[16];
+} oss_mixermatrix_t;
+
+#define SNDCTL_MIX_MATRIX_WRITE __SIOWR('X',15, oss_mixermatrix_t)
+#define SNDCTL_MIX_MATRIX_READ __SIOWR('X',16, oss_mixermatrix_t)
+
+/* ioctl codes 'X', 200-255 are reserved for internal use */
+
+/*
+ * Few more "globally" available ioctl calls.
+ */
+#define SNDCTL_SETSONG __SIOW ('Y', 2, oss_longname_t)
+#define SNDCTL_GETSONG __SIOR ('Y', 2, oss_longname_t)
+#define SNDCTL_SETNAME __SIOW ('Y', 3, oss_longname_t)
+#define SNDCTL_SETLABEL __SIOW ('Y', 4, oss_label_t)
+#define SNDCTL_GETLABEL __SIOR ('Y', 4, oss_label_t)
+/*
+ * The "new" mixer API definitions end here.
+ ***************************************
+ */
+
+/*
+ *********************************************************
+ * Few routines that are included in -lOSSlib
+ *
+ * At this moment this interface is not used. OSSlib contains just
+ * stubs that call the related system calls directly.
+ */
+#ifdef OSSLIB
+extern int osslib_open (const char *path, int flags, int dummy);
+extern void osslib_close (int fd);
+extern int osslib_write (int fd, const void *buf, int count);
+extern int osslib_read (int fd, void *buf, int count);
+extern int osslib_ioctl (int fd, unsigned int request, void *arg);
+#else
+# define osslib_open open
+# define osslib_close close
+# define osslib_write write
+# define osslib_read read
+# define osslib_ioctl ioctl
+#endif
+
+#if 1
+#define SNDCTL_DSP_NONBLOCK __SIO ('P',14) /* Obsolete. Not supported any more */
+#endif
+
+#if 1
+/*
+ * Some obsolete macros that are not part of Open Sound System API.
+ */
+#define SOUND_PCM_READ_RATE SOUND_PCM_READ_RATE_is_obsolete
+#define SOUND_PCM_READ_BITS SOUND_PCM_READ_BITS_is_obsolete
+#define SOUND_PCM_READ_CHANNELS SOUND_PCM_READ_CHANNELS_is_obsolete
+#define SOUND_PCM_WRITE_RATE SOUND_PCM_WRITE_RATE_is_obsolet_use_SNDCTL_DSP_SPEED_instead
+#define SOUND_PCM_WRITE_CHANNELS SOUND_PCM_WRITE_CHANNELS_is_obsolete_use_SNDCTL_DSP_CHANNELS_instead
+#define SOUND_PCM_WRITE_BITS SOUND_PCM_WRITE_BITS_is_obsolete_use_SNDCTL_DSP_SETFMT_instead
+#define SOUND_PCM_POST SOUND_PCM_POST_is_obsolete_use_SNDCTL_DSP_POST_instead
+#define SOUND_PCM_RESET SOUND_PCM_RESET_is_obsolete_use_SNDCTL_DSP_HALT_instead
+#define SOUND_PCM_SYNC SOUND_PCM_SYNC_is_obsolete_use_SNDCTL_DSP_SYNC_instead
+#define SOUND_PCM_SUBDIVIDE SOUND_PCM_SUBDIVIDE_is_obsolete_use_SNDCTL_DSP_SUBDIVIDE_instead
+#define SOUND_PCM_SETFRAGMENT SOUND_PCM_SETFRAGMENT_is_obsolete_use_SNDCTL_DSP_SETFRAGMENT_instead
+#define SOUND_PCM_GETFMTS SOUND_PCM_GETFMTS_is_obsolete_use_SNDCTL_DSP_GETFMTS_instead
+#define SOUND_PCM_SETFMT SOUND_PCM_SETFMT_is_obsolete_use_SNDCTL_DSP_SETFMT_instead
+#define SOUND_PCM_GETOSPACE SOUND_PCM_GETOSPACE_is_obsolete_use_SNDCTL_DSP_GETOSPACE_instead
+#define SOUND_PCM_GETISPACE SOUND_PCM_GETISPACE_is_obsolete_use_SNDCTL_DSP_GETISPACE_instead
+#define SOUND_PCM_NONBLOCK SOUND_PCM_NONBLOCK_is_obsolete_use_SNDCTL_DSP_NONBLOCK_instead
+#define SOUND_PCM_GETCAPS SOUND_PCM_GETCAPS_is_obsolete_use_SNDCTL_DSP_GETCAPS_instead
+#define SOUND_PCM_GETTRIGGER SOUND_PCM_GETTRIGGER_is_obsolete_use_SNDCTL_DSP_GETTRIGGER_instead
+#define SOUND_PCM_SETTRIGGER SOUND_PCM_SETTRIGGER_is_obsolete_use_SNDCTL_DSP_SETTRIGGER_instead
+#define SOUND_PCM_SETSYNCRO SOUND_PCM_SETSYNCRO_is_obsolete_use_SNDCTL_DSP_SETSYNCRO_instead
+#define SOUND_PCM_GETIPTR SOUND_PCM_GETIPTR_is_obsolete_use_SNDCTL_DSP_GETIPTR_instead
+#define SOUND_PCM_GETOPTR SOUND_PCM_GETOPTR_is_obsolete_use_SNDCTL_DSP_GETOPTR_instead
+#define SOUND_PCM_MAPINBUF SOUND_PCM_MAPINBUF_is_obsolete_use_SNDCTL_DSP_MAPINBUF_instead
+#define SOUND_PCM_MAPOUTBUF SOUND_PCM_MAPOUTBUF_is_obsolete_use_SNDCTL_DSP_MAPOUTBUF_instead
+#endif
+
+#endif