--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/include/linux/soundcard.h Sun Jan 11 20:20:11 2009 +0100
@@ -0,0 +1,1318 @@
+#ifndef SOUNDCARD_H
+#define SOUNDCARD_H
+/*
+ * Copyright by Hannu Savolainen 1993-1997
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer. 2.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+
+/*
+ * OSS interface version. With versions earlier than 3.6 this value is
+ * an integer with value less than 361. In versions 3.6 and later
+ * it's a six digit hexadecimal value. For example value
+ * of 0x030600 represents OSS version 3.6.0.
+ * Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of
+ * the currently active driver.
+ */
+#define SOUND_VERSION 0x030802
+#define OPEN_SOUND_SYSTEM
+
+/* In Linux we need to be prepared for cross compiling */
+#include <linux/ioctl.h>
+
+/* Endian macros. */
+#ifdef __KERNEL__
+# include <asm/byteorder.h>
+#else
+# include <endian.h>
+#endif
+
+/*
+ * Supported card ID numbers (Should be somewhere else?)
+ */
+
+#define SNDCARD_ADLIB 1
+#define SNDCARD_SB 2
+#define SNDCARD_PAS 3
+#define SNDCARD_GUS 4
+#define SNDCARD_MPU401 5
+#define SNDCARD_SB16 6
+#define SNDCARD_SB16MIDI 7
+#define SNDCARD_UART6850 8
+#define SNDCARD_GUS16 9
+#define SNDCARD_MSS 10
+#define SNDCARD_PSS 11
+#define SNDCARD_SSCAPE 12
+#define SNDCARD_PSS_MPU 13
+#define SNDCARD_PSS_MSS 14
+#define SNDCARD_SSCAPE_MSS 15
+#define SNDCARD_TRXPRO 16
+#define SNDCARD_TRXPRO_SB 17
+#define SNDCARD_TRXPRO_MPU 18
+#define SNDCARD_MAD16 19
+#define SNDCARD_MAD16_MPU 20
+#define SNDCARD_CS4232 21
+#define SNDCARD_CS4232_MPU 22
+#define SNDCARD_MAUI 23
+#define SNDCARD_PSEUDO_MSS 24
+#define SNDCARD_GUSPNP 25
+#define SNDCARD_UART401 26
+/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
+
+/***********************************
+ * IOCTL Commands for /dev/sequencer
+ */
+
+#ifndef _SIOWR
+#if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
+/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
+#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
+#else
+
+/* Ioctl's have the command encoded in the lower word,
+ * and the size of any in or out parameters in the upper
+ * word. The high 2 bits of the upper word are used
+ * to encode the in/out status of the parameter; for now
+ * we restrict parameters to at most 8191 bytes.
+ */
+/* #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)
+/* the 0x20000000 is so we can distinguish new ioctl's from old */
+#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))
+/* this should be _SIORW, but stdio got there first */
+#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 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)
+#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)
+
+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)
+
+/*
+ * Some big endian/little endian handling macros
+ */
+
+#define _LINUX_PATCHKEY_H_INDIRECT
+#include <linux/patchkey.h>
+#undef _LINUX_PATCHKEY_H_INDIRECT
+
+#if defined(__KERNEL__)
+# if defined(__BIG_ENDIAN)
+# define AFMT_S16_NE AFMT_S16_BE
+# elif defined(__LITTLE_ENDIAN)
+# define AFMT_S16_NE AFMT_S16_LE
+# else
+# error "could not determine byte order"
+# endif
+#elif defined(__BYTE_ORDER)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define AFMT_S16_NE AFMT_S16_BE
+# elif __BYTE_ORDER == __LITTLE_ENDIAN
+# define AFMT_S16_NE AFMT_S16_LE
+# else
+# error "could not determine byte order"
+# endif
+#endif
+
+/*
+ * Sample loading mechanism for internal synthesizers (/dev/sequencer)
+ * The following patch_info structure has been designed to support
+ * Gravis UltraSound. It tries to be universal format for uploading
+ * sample based patches but is probably too limited.
+ *
+ * (PBD) As Hannu guessed, the GUS structure is too limited for
+ * the WaveFront, but this is the right place for a constant definition.
+ */
+
+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;
+
+/* New fields introduced in version 1.99.5 */
+
+ /* 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.
+ */
+#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
+
+/*******************************************
+ * 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 */
+#define SEQ_BALANCE 11
+#define SEQ_VOLMODE 12
+
+/*
+ * Volume mode decides 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;
+ };
+
+#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */
+
+struct midi_info {
+ 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 */
+ };
+
+/********************************************
+ * ioctl commands for the /dev/midi##
+ */
+typedef struct {
+ unsigned char cmd;
+ char nr_args, nr_returns;
+ unsigned char data[30];
+ } mpu_command_rec;
+
+#define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int)
+#define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int)
+#define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec)
+
+/********************************************
+ * IOCTL commands for /dev/dsp and /dev/audio
+ */
+
+#define SNDCTL_DSP_RESET _SIO ('P', 0)
+#define SNDCTL_DSP_SYNC _SIO ('P', 1)
+#define SNDCTL_DSP_SPEED _SIOWR('P', 2, int)
+#define SNDCTL_DSP_STEREO _SIOWR('P', 3, int)
+#define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int)
+#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
+#define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int)
+#define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS
+#define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, 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 */
+# define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */
+
+/*
+ * 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_NONBLOCK _SIO ('P',14)
+#define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int)
+# define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
+# define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
+# define DSP_CAP_REALTIME 0x00000200 /* Real time capability */
+# define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */
+ /* internal buffers which may */
+ /* cause some delays and */
+ /* decrease precision of timing */
+# define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */
+ /* Sometimes it's a DSP */
+ /* but usually not */
+# define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
+# define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
+# define DSP_CAP_MULTI 0x00004000 /* support multiple open */
+# define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */
+
+
+#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 {
+ 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_MAPINBUF _SIOR ('P', 19, buffmem_desc)
+#define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc)
+#define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21)
+#define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22)
+#define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int)
+
+#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 SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int)
+#define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int)
+# define SPDIF_PRO 0x0001
+# define SPDIF_N_AUD 0x0002
+# define SPDIF_COPY 0x0004
+# define SPDIF_PRE 0x0008
+# define SPDIF_CC 0x07f0
+# define SPDIF_L 0x0800
+# define SPDIF_DRS 0x4000
+# define SPDIF_V 0x8000
+
+/*
+ * Application's profile defines the way how playback underrun situations should be handled.
+ *
+ * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
+ * playback buffer whenever an underrun occurs. This consumes some time
+ * prevents looping the existing buffer.
+ * APF_CPUINTENS is intended to be set by CPU intensive applications which
+ * are likely to run out of time occasionally. In this mode the buffer cleanup is
+ * disabled which saves CPU time but also let's the previous buffer content to
+ * be played during the "pause" after the underrun.
+ */
+#define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int)
+#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 SOUND_PCM_READ_RATE _SIOR ('P', 2, int)
+#define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int)
+#define SOUND_PCM_READ_BITS _SIOR ('P', 5, int)
+#define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int)
+
+/* Some alias names */
+#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
+#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
+#define SOUND_PCM_POST SNDCTL_DSP_POST
+#define SOUND_PCM_RESET SNDCTL_DSP_RESET
+#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
+#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
+#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
+#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
+#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
+#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
+#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
+#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
+#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
+#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
+#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
+#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
+#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
+#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
+#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
+#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF
+
+/*
+ * ioctl calls to be used in communication with coprocessors and
+ * DSP chips.
+ */
+
+typedef struct copr_buffer {
+ int command; /* Set to 0 if not used */
+ int flags;
+#define CPF_NONE 0x0000
+#define CPF_FIRST 0x0001 /* First block */
+#define CPF_LAST 0x0002 /* Last block */
+ int len;
+ int offs; /* If required by the device (0 if not used) */
+
+ unsigned char data[4000]; /* NOTE! 4000 is not 4k */
+ } copr_buffer;
+
+typedef struct copr_debug_buf {
+ int command; /* Used internally. Set to 0 */
+ int parm1;
+ int parm2;
+ int flags;
+ int len; /* Length of data in bytes */
+ } copr_debug_buf;
+
+typedef struct copr_msg {
+ int len;
+ unsigned char data[4000];
+ } copr_msg;
+
+#define SNDCTL_COPR_RESET _SIO ('C', 0)
+#define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer)
+#define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf)
+#define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf)
+#define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf)
+#define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf)
+#define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf)
+#define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf)
+#define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg)
+#define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg)
+
+/*********************************************
+ * IOCTL commands for /dev/mixer
+ */
+
+/*
+ * Mixer devices
+ *
+ * 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.
+ */
+
+#define SOUND_MIXER_NRDEVICES 25
+#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 */
+/*
+ * The AD1848 codec and compatibles have three line level inputs
+ * (line, aux1 and aux2). Since each card manufacturer have assigned
+ * different meanings to these inputs, it's inpractical to assign
+ * specific meanings (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 (line) */
+#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */
+#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */
+#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */
+#define SOUND_MIXER_PHONEIN 20 /* Phone input */
+#define SOUND_MIXER_PHONEOUT 21 /* Phone output */
+#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
+#define SOUND_MIXER_RADIO 23 /* Radio in */
+#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */
+
+/* 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 ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
+ "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
+ "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
+ "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
+
+#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
+ "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
+ "line1", "line2", "line3", "dig1", "dig2", "dig3", \
+ "phin", "phout", "video", "radio", "monitor"}
+
+/* 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_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
+#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 */
+
+/* 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_PHONEIN (1 << SOUND_MIXER_PHONEIN)
+#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT)
+#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
+#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
+#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR)
+
+/* 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
+{
+ char id[16];
+ char name[32];
+ int modify_counter;
+ int fillers[10];
+} mixer_info;
+
+typedef struct _old_mixer_info /* Obsolete */
+{
+ char id[16];
+ char name[32];
+} _old_mixer_info;
+
+#define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info)
+#define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info)
+
+/*
+ * A mechanism for accessing "proprietary" mixer features. This method
+ * permits passing 128 bytes of arbitrary data between a mixer application
+ * and the mixer driver. Interpretation of the record is defined by
+ * the particular mixer driver.
+ */
+typedef unsigned char mixer_record[128];
+
+#define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record)
+
+/*
+ * Two ioctls for special souncard function
+ */
+#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)
+
+/*
+ * 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 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)
+
+/*
+ * An ioctl for identifying the driver version. It will return value
+ * of the SOUND_VERSION macro used when compiling the driver.
+ * This call was introduced in OSS version 3.6 and it will not work
+ * with earlier versions (returns EINVAL).
+ */
+#define OSS_GETVERSION _SIOR ('M', 118, int)
+
+/*
+ * 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
+/*
+ * 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
+
+#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 */
+
+extern int OSS_init(int seqfd, int buflen);
+extern void OSS_seqbuf_dump(int fd, unsigned char *buf, int buflen);
+extern void OSS_seq_advbuf(int len, int fd, unsigned char *buf, int buflen);
+extern void OSS_seq_needbuf(int len, int fd, unsigned char *buf, int buflen);
+extern void OSS_patch_caching(int dev, int chn, int patch,
+ int fd, unsigned char *buf, int buflen);
+extern void OSS_drum_caching(int dev, int chn, int patch,
+ int fd, unsigned char *buf, int buflen);
+extern void OSS_write_patch(int fd, unsigned char *buf, int len);
+extern int OSS_write_patch2(int fd, unsigned char *buf, int len);
+
+#define SEQ_PM_DEFINES int __foo_bar___
+#ifdef OSSLIB
+# define SEQ_USE_EXTBUF() \
+ extern unsigned char *_seqbuf; \
+ extern int _seqbuflen;extern 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() \
+ extern unsigned char _seqbuf[]; \
+ extern int _seqbuflen;extern 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)
+/*
+ * 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