4
* Copyright by Hannu Savolainen 1993-1997
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer. 2.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* OSS interface version. With versions earlier than 3.6 this value is
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* an integer with value less than 361. In versions 3.6 and later
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* it's a six digit hexadecimal value. For example value
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* of 0x030600 represents OSS version 3.6.0.
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* Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of
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* the currently active driver.
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#define SOUND_VERSION 0x030802
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#define OPEN_SOUND_SYSTEM
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/* In Linux we need to be prepared for cross compiling */
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#include <linux/ioctl.h>
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# include <asm/byteorder.h>
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* Supported card ID numbers (Should be somewhere else?)
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#define SNDCARD_ADLIB 1
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#define SNDCARD_MPU401 5
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#define SNDCARD_SB16 6
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#define SNDCARD_SB16MIDI 7
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#define SNDCARD_UART6850 8
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#define SNDCARD_GUS16 9
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#define SNDCARD_MSS 10
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#define SNDCARD_PSS 11
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#define SNDCARD_SSCAPE 12
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#define SNDCARD_PSS_MPU 13
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#define SNDCARD_PSS_MSS 14
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#define SNDCARD_SSCAPE_MSS 15
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#define SNDCARD_TRXPRO 16
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#define SNDCARD_TRXPRO_SB 17
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#define SNDCARD_TRXPRO_MPU 18
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#define SNDCARD_MAD16 19
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#define SNDCARD_MAD16_MPU 20
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#define SNDCARD_CS4232 21
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#define SNDCARD_CS4232_MPU 22
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#define SNDCARD_MAUI 23
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#define SNDCARD_PSEUDO_MSS 24
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#define SNDCARD_GUSPNP 25
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#define SNDCARD_UART401 26
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/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
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/***********************************
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* IOCTL Commands for /dev/sequencer
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#if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
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/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
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#define SIOCPARM_MASK IOCPARM_MASK
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#define SIOC_VOID IOC_VOID
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#define SIOC_OUT IOC_OUT
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#define SIOC_IN IOC_IN
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#define SIOC_INOUT IOC_INOUT
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#define _SIOC_SIZE _IOC_SIZE
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#define _SIOC_DIR _IOC_DIR
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#define _SIOC_NONE _IOC_NONE
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#define _SIOC_READ _IOC_READ
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#define _SIOC_WRITE _IOC_WRITE
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/* Ioctl's have the command encoded in the lower word,
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* and the size of any in or out parameters in the upper
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* word. The high 2 bits of the upper word are used
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* to encode the in/out status of the parameter; for now
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* we restrict parameters to at most 8191 bytes.
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/* #define SIOCTYPE (0xff<<8) */
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#define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */
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#define SIOC_VOID 0x00000000 /* no parameters */
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#define SIOC_OUT 0x20000000 /* copy out parameters */
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#define SIOC_IN 0x40000000 /* copy in parameters */
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#define SIOC_INOUT (SIOC_IN|SIOC_OUT)
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/* the 0x20000000 is so we can distinguish new ioctl's from old */
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#define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y))
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#define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
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#define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
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/* this should be _SIORW, but stdio got there first */
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#define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
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#define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK)
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#define _SIOC_DIR(x) (x & 0xf0000000)
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#define _SIOC_NONE SIOC_VOID
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#define _SIOC_READ SIOC_OUT
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#define _SIOC_WRITE SIOC_IN
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#define SNDCTL_SEQ_RESET _SIO ('Q', 0)
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#define SNDCTL_SEQ_SYNC _SIO ('Q', 1)
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#define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info)
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#define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
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#define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int)
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#define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int)
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#define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int)
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#define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */
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#define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int)
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#define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int)
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#define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int)
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#define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int)
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#define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info)
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#define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int)
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#define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */
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#define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */
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#define SNDCTL_SEQ_PANIC _SIO ('Q',17)
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#define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec)
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#define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int)
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#define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info)
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#define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control)
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#define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample)
153
typedef struct synth_control
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int devno; /* Synthesizer # */
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char data[4000]; /* Device spesific command/data record */
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typedef struct remove_sample
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int devno; /* Synthesizer # */
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int bankno; /* MIDI bank # (0=General MIDI) */
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int instrno; /* MIDI instrument number */
166
typedef struct seq_event_rec {
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unsigned char arr[8];
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#define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int)
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#define SNDCTL_TMR_START _SIO ('T', 2)
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#define SNDCTL_TMR_STOP _SIO ('T', 3)
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#define SNDCTL_TMR_CONTINUE _SIO ('T', 4)
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#define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int)
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#define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int)
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# define TMR_INTERNAL 0x00000001
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# define TMR_EXTERNAL 0x00000002
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# define TMR_MODE_MIDI 0x00000010
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# define TMR_MODE_FSK 0x00000020
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# define TMR_MODE_CLS 0x00000040
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# define TMR_MODE_SMPTE 0x00000080
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#define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int)
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#define SNDCTL_TMR_SELECT _SIOW ('T', 8, int)
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* Some big endian/little endian handling macros
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#define _LINUX_PATCHKEY_H_INDIRECT
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#include <linux/patchkey.h>
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#undef _LINUX_PATCHKEY_H_INDIRECT
193
#if defined(__KERNEL__)
194
# if defined(__BIG_ENDIAN)
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# define AFMT_S16_NE AFMT_S16_BE
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# elif defined(__LITTLE_ENDIAN)
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# define AFMT_S16_NE AFMT_S16_LE
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# error "could not determine byte order"
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#elif defined(__BYTE_ORDER)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define AFMT_S16_NE AFMT_S16_BE
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# elif __BYTE_ORDER == __LITTLE_ENDIAN
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# define AFMT_S16_NE AFMT_S16_LE
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# error "could not determine byte order"
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* Sample loading mechanism for internal synthesizers (/dev/sequencer)
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* The following patch_info structure has been designed to support
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* Gravis UltraSound. It tries to be universal format for uploading
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* sample based patches but is probably too limited.
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* (PBD) As Hannu guessed, the GUS structure is too limited for
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* the WaveFront, but this is the right place for a constant definition.
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unsigned short key; /* Use WAVE_PATCH here */
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#define WAVE_PATCH _PATCHKEY(0x04)
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#define GUS_PATCH WAVE_PATCH
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#define WAVEFRONT_PATCH _PATCHKEY(0x06)
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short device_no; /* Synthesizer number */
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short instr_no; /* Midi pgm# */
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* The least significant byte has the same format than the GUS .PAT
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#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
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#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
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#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
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#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
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#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
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#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
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#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
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#define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */
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/* (use the env_rate/env_offs fields). */
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/* Linux specific bits */
245
#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
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#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
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#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
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#define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */
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#define WAVE_ROM 0x40000000 /* For future use */
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#define WAVE_MULAW 0x20000000 /* For future use */
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/* Other bits must be zeroed */
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int len; /* Size of the wave data in bytes */
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int loop_start, loop_end; /* Byte offsets from the beginning */
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* The base_freq and base_note fields are used when computing the
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* playback speed for a note. The base_note defines the tone frequency
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* which is heard if the sample is played using the base_freq as the
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* The low_note and high_note fields define the minimum and maximum note
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* frequencies for which this sample is valid. It is possible to define
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* more than one samples for an instrument number at the same time. The
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* low_note and high_note fields are used to select the most suitable one.
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* The fields base_note, high_note and low_note should contain
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* the note frequency multiplied by 1000. For example value for the
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* middle A is 440*1000.
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unsigned int base_freq;
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unsigned int base_note;
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unsigned int high_note;
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unsigned int low_note;
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int panning; /* -128=left, 127=right */
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/* New fields introduced in version 1.99.5 */
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/* Envelope. Enabled by mode bit WAVE_ENVELOPES */
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unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */
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unsigned char env_offset[ 6 ]; /* 255 == 100% */
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* The tremolo, vibrato and scale info are not supported yet.
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* Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
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unsigned char tremolo_sweep;
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unsigned char tremolo_rate;
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unsigned char tremolo_depth;
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unsigned char vibrato_sweep;
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unsigned char vibrato_rate;
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unsigned char vibrato_depth;
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unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
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char data[1]; /* The waveform data starts here */
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short key; /* Use SYSEX_PATCH or MAUI_PATCH here */
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#define SYSEX_PATCH _PATCHKEY(0x05)
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#define MAUI_PATCH _PATCHKEY(0x06)
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short device_no; /* Synthesizer number */
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int len; /* Size of the sysex data in bytes */
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unsigned char data[1]; /* Sysex data starts here */
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* /dev/sequencer input events.
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* The data written to the /dev/sequencer is a stream of events. Events
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* are records of 4 or 8 bytes. The first byte defines the size.
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* Any number of events can be written with a write call. There
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* is a set of macros for sending these events. Use these macros if you
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* want to maximize portability of your program.
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* Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
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* (All input events are currently 4 bytes long. Be prepared to support
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* 8 byte events also. If you receive any event having first byte >= 128,
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* it's a 8 byte event.
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* The events are documented at the end of this file.
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* Normal events (4 bytes)
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* There is also a 8 byte version of most of the 4 byte events. The
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* 8 byte one is recommended.
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#define SEQ_NOTEOFF 0
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#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
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#define SEQ_FMNOTEON SEQ_NOTEON
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#define SEQ_WAIT TMR_WAIT_ABS
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#define SEQ_PGMCHANGE 3
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#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
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#define SEQ_SYNCTIMER TMR_START
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#define SEQ_MIDIPUTC 5
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#define SEQ_DRUMON 6 /*** OBSOLETE ***/
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#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
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#define SEQ_ECHO TMR_ECHO /* For synching programs with output */
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#define SEQ_AFTERTOUCH 9
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#define SEQ_CONTROLLER 10
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/*******************************************
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* Midi controller numbers
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*******************************************
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* Controllers 0 to 31 (0x00 to 0x1f) and
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* 32 to 63 (0x20 to 0x3f) are continuous
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* In the MIDI 1.0 these controllers are sent using
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* two messages. Controller numbers 0 to 31 are used
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* to send the MSB and the controller numbers 32 to 63
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* are for the LSB. Note that just 7 bits are used in MIDI bytes.
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#define CTL_BANK_SELECT 0x00
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#define CTL_MODWHEEL 0x01
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#define CTL_BREATH 0x02
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#define CTL_FOOT 0x04
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#define CTL_PORTAMENTO_TIME 0x05
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#define CTL_DATA_ENTRY 0x06
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#define CTL_MAIN_VOLUME 0x07
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#define CTL_BALANCE 0x08
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#define CTL_EXPRESSION 0x0b
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#define CTL_GENERAL_PURPOSE1 0x10
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#define CTL_GENERAL_PURPOSE2 0x11
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#define CTL_GENERAL_PURPOSE3 0x12
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#define CTL_GENERAL_PURPOSE4 0x13
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/* undefined 0x14 - 0x1f */
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/* The controller numbers 0x21 to 0x3f are reserved for the */
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/* least significant bytes of the controllers 0x00 to 0x1f. */
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/* These controllers are not recognised by the driver. */
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/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
394
/* 0=OFF and 127=ON (intermediate values are possible) */
395
#define CTL_DAMPER_PEDAL 0x40
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#define CTL_SUSTAIN 0x40 /* Alias */
397
#define CTL_HOLD 0x40 /* Alias */
398
#define CTL_PORTAMENTO 0x41
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#define CTL_SOSTENUTO 0x42
400
#define CTL_SOFT_PEDAL 0x43
402
#define CTL_HOLD2 0x45
403
/* undefined 0x46 - 0x4f */
405
#define CTL_GENERAL_PURPOSE5 0x50
406
#define CTL_GENERAL_PURPOSE6 0x51
407
#define CTL_GENERAL_PURPOSE7 0x52
408
#define CTL_GENERAL_PURPOSE8 0x53
409
/* undefined 0x54 - 0x5a */
410
#define CTL_EXT_EFF_DEPTH 0x5b
411
#define CTL_TREMOLO_DEPTH 0x5c
412
#define CTL_CHORUS_DEPTH 0x5d
413
#define CTL_DETUNE_DEPTH 0x5e
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#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */
415
#define CTL_PHASER_DEPTH 0x5f
416
#define CTL_DATA_INCREMENT 0x60
417
#define CTL_DATA_DECREMENT 0x61
418
#define CTL_NONREG_PARM_NUM_LSB 0x62
419
#define CTL_NONREG_PARM_NUM_MSB 0x63
420
#define CTL_REGIST_PARM_NUM_LSB 0x64
421
#define CTL_REGIST_PARM_NUM_MSB 0x65
422
/* undefined 0x66 - 0x78 */
423
/* reserved 0x79 - 0x7f */
425
/* Pseudo controllers (not midi compatible) */
426
#define CTRL_PITCH_BENDER 255
427
#define CTRL_PITCH_BENDER_RANGE 254
428
#define CTRL_EXPRESSION 253 /* Obsolete */
429
#define CTRL_MAIN_VOLUME 252 /* Obsolete */
430
#define SEQ_BALANCE 11
431
#define SEQ_VOLMODE 12
434
* Volume mode decides how volumes are used
437
#define VOL_METHOD_ADAGIO 1
438
#define VOL_METHOD_LINEAR 2
441
* Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
446
* Event codes 0xf0 to 0xfc are reserved for future extensions.
449
#define SEQ_FULLSIZE 0xfd /* Long events */
451
* SEQ_FULLSIZE events are used for loading patches/samples to the
452
* synthesizer devices. These events are passed directly to the driver
453
* of the associated synthesizer device. There is no limit to the size
454
* of the extended events. These events are not queued but executed
455
* immediately when the write() is called (execution can take several
458
* When a SEQ_FULLSIZE message is written to the device, it must
459
* be written using exactly one write() call. Other events cannot
460
* be mixed to the same write.
462
* For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
463
* /dev/sequencer. Don't write other data together with the instrument structure
464
* Set the key field of the structure to FM_PATCH. The device field is used to
465
* route the patch to the corresponding device.
467
* For wave table use struct patch_info. Initialize the key field
470
#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
471
#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
474
* Record for FM patches
477
typedef unsigned char sbi_instr_data[32];
479
struct sbi_instrument {
480
unsigned short key; /* FM_PATCH or OPL3_PATCH */
481
#define FM_PATCH _PATCHKEY(0x01)
482
#define OPL3_PATCH _PATCHKEY(0x03)
483
short device; /* Synth# (0-4) */
484
int channel; /* Program# to be initialized */
485
sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
488
struct synth_info { /* Read only */
490
int device; /* 0-N. INITIALIZE BEFORE CALLING */
492
#define SYNTH_TYPE_FM 0
493
#define SYNTH_TYPE_SAMPLE 1
494
#define SYNTH_TYPE_MIDI 2 /* Midi interface */
497
#define FM_TYPE_ADLIB 0x00
498
#define FM_TYPE_OPL3 0x01
499
#define MIDI_TYPE_MPU401 0x401
501
#define SAMPLE_TYPE_BASIC 0x10
502
#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
503
#define SAMPLE_TYPE_WAVEFRONT 0x11
505
int perc_mode; /* No longer supported */
507
int nr_drums; /* Obsolete field */
509
unsigned int capabilities;
510
#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
511
#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
512
#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
513
int dummies[19]; /* Reserve space */
516
struct sound_timer_info {
521
#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */
525
int device; /* 0-N. INITIALIZE BEFORE CALLING */
526
unsigned int capabilities; /* To be defined later */
528
int dummies[18]; /* Reserve space */
531
/********************************************
532
* ioctl commands for the /dev/midi##
536
char nr_args, nr_returns;
537
unsigned char data[30];
540
#define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int)
541
#define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int)
542
#define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec)
544
/********************************************
545
* IOCTL commands for /dev/dsp and /dev/audio
548
#define SNDCTL_DSP_RESET _SIO ('P', 0)
549
#define SNDCTL_DSP_SYNC _SIO ('P', 1)
550
#define SNDCTL_DSP_SPEED _SIOWR('P', 2, int)
551
#define SNDCTL_DSP_STEREO _SIOWR('P', 3, int)
552
#define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int)
553
#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
554
#define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int)
555
#define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS
556
#define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int)
557
#define SNDCTL_DSP_POST _SIO ('P', 8)
558
#define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int)
559
#define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int)
561
/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
562
#define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */
563
#define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/
564
# define AFMT_QUERY 0x00000000 /* Return current fmt */
565
# define AFMT_MU_LAW 0x00000001
566
# define AFMT_A_LAW 0x00000002
567
# define AFMT_IMA_ADPCM 0x00000004
568
# define AFMT_U8 0x00000008
569
# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/
570
# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
571
# define AFMT_S8 0x00000040
572
# define AFMT_U16_LE 0x00000080 /* Little endian U16 */
573
# define AFMT_U16_BE 0x00000100 /* Big endian U16 */
574
# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */
575
# define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */
578
* Buffer status queries.
580
typedef struct audio_buf_info {
581
int fragments; /* # of available fragments (partially usend ones not counted) */
582
int fragstotal; /* Total # of fragments allocated */
583
int fragsize; /* Size of a fragment in bytes */
585
int bytes; /* Available space in bytes (includes partially used fragments) */
586
/* Note! 'bytes' could be more than fragments*fragsize */
589
#define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info)
590
#define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info)
591
#define SNDCTL_DSP_NONBLOCK _SIO ('P',14)
592
#define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int)
593
# define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
594
# define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
595
# define DSP_CAP_REALTIME 0x00000200 /* Real time capability */
596
# define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */
597
/* internal buffers which may */
598
/* cause some delays and */
599
/* decrease precision of timing */
600
# define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */
601
/* Sometimes it's a DSP */
602
/* but usually not */
603
# define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
604
# define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
605
# define DSP_CAP_MULTI 0x00004000 /* support multiple open */
606
# define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */
609
#define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int)
610
#define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int)
611
# define PCM_ENABLE_INPUT 0x00000001
612
# define PCM_ENABLE_OUTPUT 0x00000002
614
typedef struct count_info {
615
int bytes; /* Total # of bytes processed */
616
int blocks; /* # of fragment transitions since last time */
617
int ptr; /* Current DMA pointer value */
620
#define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info)
621
#define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info)
623
typedef struct buffmem_desc {
627
#define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc)
628
#define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc)
629
#define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21)
630
#define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22)
631
#define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int)
633
#define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int)
634
#define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int)
635
# define DSP_BIND_QUERY 0x00000000
636
# define DSP_BIND_FRONT 0x00000001
637
# define DSP_BIND_SURR 0x00000002
638
# define DSP_BIND_CENTER_LFE 0x00000004
639
# define DSP_BIND_HANDSET 0x00000008
640
# define DSP_BIND_MIC 0x00000010
641
# define DSP_BIND_MODEM1 0x00000020
642
# define DSP_BIND_MODEM2 0x00000040
643
# define DSP_BIND_I2S 0x00000080
644
# define DSP_BIND_SPDIF 0x00000100
646
#define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int)
647
#define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int)
648
# define SPDIF_PRO 0x0001
649
# define SPDIF_N_AUD 0x0002
650
# define SPDIF_COPY 0x0004
651
# define SPDIF_PRE 0x0008
652
# define SPDIF_CC 0x07f0
653
# define SPDIF_L 0x0800
654
# define SPDIF_DRS 0x4000
655
# define SPDIF_V 0x8000
658
* Application's profile defines the way how playback underrun situations should be handled.
660
* APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
661
* playback buffer whenever an underrun occurs. This consumes some time
662
* prevents looping the existing buffer.
663
* APF_CPUINTENS is intended to be set by CPU intensive applications which
664
* are likely to run out of time occasionally. In this mode the buffer cleanup is
665
* disabled which saves CPU time but also let's the previous buffer content to
666
* be played during the "pause" after the underrun.
668
#define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int)
669
#define APF_NORMAL 0 /* Normal applications */
670
#define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */
671
#define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */
673
#define SOUND_PCM_READ_RATE _SIOR ('P', 2, int)
674
#define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int)
675
#define SOUND_PCM_READ_BITS _SIOR ('P', 5, int)
676
#define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int)
678
/* Some alias names */
679
#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
680
#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
681
#define SOUND_PCM_POST SNDCTL_DSP_POST
682
#define SOUND_PCM_RESET SNDCTL_DSP_RESET
683
#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
684
#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
685
#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
686
#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
687
#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
688
#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
689
#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
690
#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
691
#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
692
#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
693
#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
694
#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
695
#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
696
#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
697
#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
698
#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF
701
* ioctl calls to be used in communication with coprocessors and
705
typedef struct copr_buffer {
706
int command; /* Set to 0 if not used */
708
#define CPF_NONE 0x0000
709
#define CPF_FIRST 0x0001 /* First block */
710
#define CPF_LAST 0x0002 /* Last block */
712
int offs; /* If required by the device (0 if not used) */
714
unsigned char data[4000]; /* NOTE! 4000 is not 4k */
717
typedef struct copr_debug_buf {
718
int command; /* Used internally. Set to 0 */
722
int len; /* Length of data in bytes */
725
typedef struct copr_msg {
727
unsigned char data[4000];
730
#define SNDCTL_COPR_RESET _SIO ('C', 0)
731
#define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer)
732
#define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf)
733
#define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf)
734
#define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf)
735
#define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf)
736
#define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf)
737
#define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf)
738
#define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg)
739
#define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg)
741
/*********************************************
742
* IOCTL commands for /dev/mixer
748
* There can be up to 20 different analog mixer channels. The
749
* SOUND_MIXER_NRDEVICES gives the currently supported maximum.
750
* The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
751
* the devices supported by the particular mixer.
754
#define SOUND_MIXER_NRDEVICES 25
755
#define SOUND_MIXER_VOLUME 0
756
#define SOUND_MIXER_BASS 1
757
#define SOUND_MIXER_TREBLE 2
758
#define SOUND_MIXER_SYNTH 3
759
#define SOUND_MIXER_PCM 4
760
#define SOUND_MIXER_SPEAKER 5
761
#define SOUND_MIXER_LINE 6
762
#define SOUND_MIXER_MIC 7
763
#define SOUND_MIXER_CD 8
764
#define SOUND_MIXER_IMIX 9 /* Recording monitor */
765
#define SOUND_MIXER_ALTPCM 10
766
#define SOUND_MIXER_RECLEV 11 /* Recording level */
767
#define SOUND_MIXER_IGAIN 12 /* Input gain */
768
#define SOUND_MIXER_OGAIN 13 /* Output gain */
770
* The AD1848 codec and compatibles have three line level inputs
771
* (line, aux1 and aux2). Since each card manufacturer have assigned
772
* different meanings to these inputs, it's inpractical to assign
773
* specific meanings (line, cd, synth etc.) to them.
775
#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
776
#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
777
#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */
778
#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */
779
#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */
780
#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */
781
#define SOUND_MIXER_PHONEIN 20 /* Phone input */
782
#define SOUND_MIXER_PHONEOUT 21 /* Phone output */
783
#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
784
#define SOUND_MIXER_RADIO 23 /* Radio in */
785
#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */
787
/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
788
/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
789
#define SOUND_ONOFF_MIN 28
790
#define SOUND_ONOFF_MAX 30
792
/* Note! Number 31 cannot be used since the sign bit is reserved */
793
#define SOUND_MIXER_NONE 31
796
* The following unsupported macros are no longer functional.
797
* Use SOUND_MIXER_PRIVATE# macros in future.
799
#define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE
800
#define SOUND_MIXER_MUTE SOUND_MIXER_NONE
801
#define SOUND_MIXER_LOUD SOUND_MIXER_NONE
804
#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
805
"Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
806
"Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
807
"PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
809
#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
810
"mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
811
"line1", "line2", "line3", "dig1", "dig2", "dig3", \
812
"phin", "phout", "video", "radio", "monitor"}
814
/* Device bitmask identifiers */
816
#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
817
#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
818
#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
819
#define SOUND_MIXER_CAPS 0xfc
820
# define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
821
#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
822
#define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */
823
#define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */
825
/* Device mask bits */
827
#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
828
#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
829
#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
830
#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
831
#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
832
#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
833
#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
834
#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
835
#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
836
#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
837
#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
838
#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
839
#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
840
#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
841
#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
842
#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
843
#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
844
#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
845
#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
846
#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
847
#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN)
848
#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT)
849
#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
850
#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
851
#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR)
853
/* Obsolete macros */
854
#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
855
#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
856
#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
858
#define MIXER_READ(dev) _SIOR('M', dev, int)
859
#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
860
#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
861
#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
862
#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
863
#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
864
#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
865
#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
866
#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
867
#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
868
#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
869
#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
870
#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
871
#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
872
#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
873
#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
874
#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
875
#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
877
/* Obsolete macros */
878
#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
879
#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
880
#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
882
#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
883
#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
884
#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
885
#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
886
#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
888
#define MIXER_WRITE(dev) _SIOWR('M', dev, int)
889
#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
890
#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
891
#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
892
#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
893
#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
894
#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
895
#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
896
#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
897
#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
898
#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
899
#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
900
#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
901
#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
902
#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
903
#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
904
#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
905
#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
907
/* Obsolete macros */
908
#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
909
#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
910
#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
912
#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
914
typedef struct mixer_info
922
typedef struct _old_mixer_info /* Obsolete */
928
#define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info)
929
#define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info)
932
* A mechanism for accessing "proprietary" mixer features. This method
933
* permits passing 128 bytes of arbitrary data between a mixer application
934
* and the mixer driver. Interpretation of the record is defined by
935
* the particular mixer driver.
937
typedef unsigned char mixer_record[128];
939
#define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record)
942
* Two ioctls for special souncard function
944
#define SOUND_MIXER_AGC _SIOWR('M', 103, int)
945
#define SOUND_MIXER_3DSE _SIOWR('M', 104, int)
948
* The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
949
* These features can be used when accessing device specific features.
951
#define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int)
952
#define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int)
953
#define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int)
954
#define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int)
955
#define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int)
958
* SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
959
* for querying current mixer settings from the driver and for loading
960
* default volume settings _prior_ activating the mixer (loading
961
* doesn't affect current state of the mixer hardware). These calls
962
* are for internal use only.
965
typedef struct mixer_vol_table {
966
int num; /* Index to volume table */
971
#define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table)
972
#define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table)
975
* An ioctl for identifying the driver version. It will return value
976
* of the SOUND_VERSION macro used when compiling the driver.
977
* This call was introduced in OSS version 3.6 and it will not work
978
* with earlier versions (returns EINVAL).
980
#define OSS_GETVERSION _SIOR ('M', 118, int)
983
* Level 2 event types for /dev/sequencer
987
* The 4 most significant bits of byte 0 specify the class of
990
* 0x8X = system level events,
991
* 0x9X = device/port specific events, event[1] = device/port,
992
* The last 4 bits give the subtype:
993
* 0x02 = Channel event (event[3] = chn).
994
* 0x01 = note event (event[4] = note).
995
* (0x01 is not used alone but always with bit 0x02).
996
* event[2] = MIDI message code (0x80=note off etc.)
1000
#define EV_SEQ_LOCAL 0x80
1001
#define EV_TIMING 0x81
1002
#define EV_CHN_COMMON 0x92
1003
#define EV_CHN_VOICE 0x93
1004
#define EV_SYSEX 0x94
1006
* Event types 200 to 220 are reserved for application use.
1007
* These numbers will not be used by the driver.
1011
* Events for event type EV_CHN_VOICE
1014
#define MIDI_NOTEOFF 0x80
1015
#define MIDI_NOTEON 0x90
1016
#define MIDI_KEY_PRESSURE 0xA0
1019
* Events for event type EV_CHN_COMMON
1022
#define MIDI_CTL_CHANGE 0xB0
1023
#define MIDI_PGM_CHANGE 0xC0
1024
#define MIDI_CHN_PRESSURE 0xD0
1025
#define MIDI_PITCH_BEND 0xE0
1027
#define MIDI_SYSTEM_PREFIX 0xF0
1032
#define TMR_WAIT_REL 1 /* Time relative to the prev time */
1033
#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
1036
#define TMR_CONTINUE 5
1039
#define TMR_CLOCK 9 /* MIDI clock */
1040
#define TMR_SPP 10 /* Song position pointer */
1041
#define TMR_TIMESIG 11 /* Time signature */
1046
#define LOCL_STARTAUDIO 1
1048
#if !defined(__KERNEL__) || defined(USE_SEQ_MACROS)
1050
* Some convenience macros to simplify programming of the
1051
* /dev/sequencer interface
1053
* This is a legacy interface for applications written against
1054
* the OSSlib-3.8 style interface. It is no longer possible
1055
* to actually link against OSSlib with this header, but we
1056
* still provide these macros for programs using them.
1058
* If you want to use OSSlib, it is recommended that you get
1059
* the GPL version of OSS-4.x and build against that version
1062
* We redefine the extern keyword so that make headers_check
1063
* does not complain about SEQ_USE_EXTBUF.
1065
#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
1067
void seqbuf_dump(void); /* This function must be provided by programs */
1069
#define SEQ_PM_DEFINES int __foo_bar___
1071
#define SEQ_LOAD_GMINSTR(dev, instr)
1072
#define SEQ_LOAD_GMDRUM(dev, drum)
1074
#define _SEQ_EXTERN extern
1075
#define SEQ_USE_EXTBUF() \
1076
_SEQ_EXTERN unsigned char _seqbuf[]; \
1077
_SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr
1079
#ifndef USE_SIMPLE_MACROS
1080
/* Sample seqbuf_dump() implementation:
1082
* SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
1084
* int seqfd; -- The file descriptor for /dev/sequencer.
1090
* if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1092
* perror ("write /dev/sequencer");
1099
#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1100
#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
1101
#define _SEQ_ADVBUF(len) _seqbufptr += len
1102
#define SEQ_DUMPBUF seqbuf_dump
1105
* This variation of the sequencer macros is used just to format one event
1106
* using fixed buffer.
1108
* The program using the macro library must define the following macros before
1109
* using this library.
1111
* #define _seqbuf name of the buffer (unsigned char[])
1112
* #define _SEQ_ADVBUF(len) If the applic needs to know the exact
1113
* size of the event, this macro can be used.
1114
* Otherwise this must be defined as empty.
1115
* #define _seqbufptr Define the name of index variable or 0 if
1118
#define _SEQ_NEEDBUF(len) /* empty */
1121
#define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\
1122
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1123
_seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1124
_seqbuf[_seqbufptr+2] = (dev);\
1125
_seqbuf[_seqbufptr+3] = (mode);\
1126
_seqbuf[_seqbufptr+4] = 0;\
1127
_seqbuf[_seqbufptr+5] = 0;\
1128
_seqbuf[_seqbufptr+6] = 0;\
1129
_seqbuf[_seqbufptr+7] = 0;\
1133
* Midi voice messages
1136
#define _CHN_VOICE(dev, event, chn, note, parm) \
1138
_seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1139
_seqbuf[_seqbufptr+1] = (dev);\
1140
_seqbuf[_seqbufptr+2] = (event);\
1141
_seqbuf[_seqbufptr+3] = (chn);\
1142
_seqbuf[_seqbufptr+4] = (note);\
1143
_seqbuf[_seqbufptr+5] = (parm);\
1144
_seqbuf[_seqbufptr+6] = (0);\
1145
_seqbuf[_seqbufptr+7] = 0;\
1148
#define SEQ_START_NOTE(dev, chn, note, vol) \
1149
_CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1151
#define SEQ_STOP_NOTE(dev, chn, note, vol) \
1152
_CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1154
#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1155
_CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1158
* Midi channel messages
1161
#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
1163
_seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1164
_seqbuf[_seqbufptr+1] = (dev);\
1165
_seqbuf[_seqbufptr+2] = (event);\
1166
_seqbuf[_seqbufptr+3] = (chn);\
1167
_seqbuf[_seqbufptr+4] = (p1);\
1168
_seqbuf[_seqbufptr+5] = (p2);\
1169
*(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1172
* SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1173
* sending any MIDI bytes but it's absolutely not possible. Trying to do
1174
* so _will_ cause problems with MPU401 intelligent mode).
1176
* Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1177
* sent by calling SEQ_SYSEX() several times (there must be no other events
1178
* between them). First sysex fragment must have 0xf0 in the first byte
1179
* and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1180
* between these sysex start and end markers cannot be larger than 0x7f. Also
1181
* lengths of each fragments (except the last one) must be 6.
1183
* Breaking the above rules may work with some MIDI ports but is likely to
1184
* cause fatal problems with some other devices (such as MPU401).
1186
#define SEQ_SYSEX(dev, buf, len) \
1187
{int ii, ll=(len); \
1188
unsigned char *bufp=buf;\
1191
_seqbuf[_seqbufptr] = EV_SYSEX;\
1192
_seqbuf[_seqbufptr+1] = (dev);\
1193
for(ii=0;ii<ll;ii++)\
1194
_seqbuf[_seqbufptr+ii+2] = bufp[ii];\
1195
for(ii=ll;ii<6;ii++)\
1196
_seqbuf[_seqbufptr+ii+2] = 0xff;\
1199
#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1200
_CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1202
#define SEQ_SET_PATCH SEQ_PGM_CHANGE
1203
#define SEQ_PGM_CHANGE(dev, chn, patch) \
1204
_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1206
#define SEQ_CONTROL(dev, chn, controller, value) \
1207
_CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1209
#define SEQ_BENDER(dev, chn, value) \
1210
_CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1213
#define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
1214
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1215
_seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1216
_seqbuf[_seqbufptr+2] = (dev);\
1217
_seqbuf[_seqbufptr+3] = (voice);\
1218
_seqbuf[_seqbufptr+4] = (controller);\
1219
_seqbuf[_seqbufptr+5] = ((value)&0xff);\
1220
_seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
1221
_seqbuf[_seqbufptr+7] = 0;\
1224
* The following 5 macros are incorrectly implemented and obsolete.
1225
* Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1227
#define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1228
#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1229
#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1230
#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1231
#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1234
* Timing and synchronization macros
1237
#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1238
_seqbuf[_seqbufptr+0] = EV_TIMING; \
1239
_seqbuf[_seqbufptr+1] = (ev); \
1240
_seqbuf[_seqbufptr+2] = 0;\
1241
_seqbuf[_seqbufptr+3] = 0;\
1242
*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1245
#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
1246
#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
1247
#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
1248
#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1249
#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
1250
#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
1251
#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
1252
#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
1253
#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
1256
* Local control events
1259
#define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1260
_seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1261
_seqbuf[_seqbufptr+1] = (ev); \
1262
_seqbuf[_seqbufptr+2] = 0;\
1263
_seqbuf[_seqbufptr+3] = 0;\
1264
*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1267
#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1269
* Events for the level 1 interface only
1272
#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
1273
_seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1274
_seqbuf[_seqbufptr+1] = (byte);\
1275
_seqbuf[_seqbufptr+2] = (device);\
1276
_seqbuf[_seqbufptr+3] = 0;\
1282
#define SEQ_WRPATCH(patchx, len) \
1283
{if (_seqbufptr) SEQ_DUMPBUF();\
1284
if (write(seqfd, (char*)(patchx), len)==-1) \
1285
perror("Write patch: /dev/sequencer");}
1286
#define SEQ_WRPATCH2(patchx, len) \
1287
(SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))