#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ioccom.h>
#include <sys/filio.h>
#include <sys/lock.h>
#include <sys/sockio.h>
#include <sys/fcntl.h>
#include <sys/proc.h>
#include <sys/sysctl.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/conf.h>
#include <sys/file.h>
#include <sys/uio.h>
#include <sys/syslog.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <sys/bus.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <machine/clock.h>
#include <sys/soundcard.h>
#include <sys/rman.h>
#include <sys/mman.h>
#include <sys/poll.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/kthread.h>
#include <sys/unistd.h>
#include <sys/selinfo.h>
#include <dev/sound/midi/midi.h>
#include <dev/sound/midi/midiq.h>
#include "synth_if.h"
#include <dev/sound/midi/sequencer.h>

Include dependency graph for sequencer.c:

Data Structures
struct	seq_softc

Macros
#define	TMR_TIMERBASE 13

#define	SND_DEV_SEQ

#define	SND_DEV_MUSIC 8 /* /dev/music, level 2 interface */

#define	EV_SZ 8

#define	IEV_SZ 8

#define	LOOKUP_EXIST (0)

#define	LOOKUP_OPEN (1)

#define	LOOKUP_CLOSE (2)

#define	PCMMKMINOR(u, d, c) ((((c) & 0xff) << 16) \| (((u) & 0x0f) << 4) \| ((d) & 0x0f))

#define	MIDIMKMINOR(u, d, c) PCMMKMINOR(u, d, c)

#define	MIDIUNIT(y) ((dev2unit(y) >> 4) & 0x0f)

#define	MIDIDEV(y) (dev2unit(y) & 0x0f)

#define	KOBJMETHOD_END { NULL, NULL }

#define	SEQ_RSIZE 32

#define	SEQ_SYNC_TIMEOUT 8

Functions
	__FBSDID ("$FreeBSD$")

	SYSCTL_NODE (_hw_midi, OID_AUTO, seq, CTLFLAG_RD\|CTLFLAG_MPSAFE, 0, "Midi sequencer")

	SYSCTL_INT (_hw_midi_seq, OID_AUTO, debug, CTLFLAG_RW, &seq_debug, 0, "")

	DEFINE_CLASS (sequencer, seq_methods, 0)

static int	seq_convertold (u_char event, u_char out)

static void	seq_reset (struct seq_softc *scp)

static int	seq_sync (struct seq_softc *scp)

static int	seq_processevent (struct seq_softc scp, u_char event)

static int	seq_timing (struct seq_softc scp, u_char event)

static int	seq_local (struct seq_softc scp, u_char event)

static int	seq_chnvoice (struct seq_softc scp, kobj_t md, u_char event)

static int	seq_chncommon (struct seq_softc scp, kobj_t md, u_char event)

static int	seq_sysex (struct seq_softc scp, kobj_t md, u_char event)

static int	seq_fetch_mid (struct seq_softc scp, int unit, kobj_t md)

void	seq_copytoinput (struct seq_softc scp, u_char event, int len)

int	seq_modevent (module_t mod, int type, void *data)

static void	timer_start (struct seq_softc *t)

static void	timer_stop (struct seq_softc *t)

static void	timer_setvals (struct seq_softc *t, int tempo, int timerbase)

static void	timer_wait (struct seq_softc *t, int ticks, int wait_abs)

static int	timer_now (struct seq_softc *t)

static void	timer_continue (struct seq_softc *t)

static void	seq_eventthread (void *arg)

static int	seq_addunit (void)

static int	seq_delunit (int unit)

int	mseq_open (struct cdev i_dev, int flags, int mode, struct thread td)

int	mseq_close (struct cdev i_dev, int flags, int mode, struct thread td)

int	mseq_read (struct cdev i_dev, struct uio uio, int ioflag)

int	mseq_write (struct cdev i_dev, struct uio uio, int ioflag)

int	mseq_ioctl (struct cdev i_dev, u_long cmd, caddr_t arg, int mode, struct thread td)

int	mseq_poll (struct cdev i_dev, int events, struct thread td)

char *	midi_cmdname (int cmd, midi_cmdtab *tab)

Variables
static d_open_t	mseq_open

static d_close_t	mseq_close

static d_ioctl_t	mseq_ioctl

static d_read_t	mseq_read

static d_write_t	mseq_write

static d_poll_t	mseq_poll

static struct cdevsw	seq_cdevsw

int	seq_debug

midi_cmdtab	cmdtab_seqevent []

midi_cmdtab	cmdtab_seqioctl []

midi_cmdtab	cmdtab_timer []

midi_cmdtab	cmdtab_seqcv []

midi_cmdtab	cmdtab_seqccmn []

static kobj_method_t	seq_methods []

struct seq_softc *	seqs [10]

static struct mtx	seqinfo_mtx

static u_long	nseq = 0

Macro Definition Documentation

◆ EV_SZ

#define EV_SZ 8

Definition at line 87 of file sequencer.c.

◆ IEV_SZ

#define IEV_SZ 8

Definition at line 88 of file sequencer.c.

◆ KOBJMETHOD_END

#define KOBJMETHOD_END { NULL, NULL }

Definition at line 267 of file sequencer.c.

◆ LOOKUP_CLOSE

#define LOOKUP_CLOSE (2)

Definition at line 93 of file sequencer.c.

◆ LOOKUP_EXIST

#define LOOKUP_EXIST (0)

Definition at line 91 of file sequencer.c.

◆ LOOKUP_OPEN

#define LOOKUP_OPEN (1)

Definition at line 92 of file sequencer.c.

◆ MIDIDEV

#define MIDIDEV ( y ) (dev2unit(y) & 0x0f)

Definition at line 99 of file sequencer.c.

◆ MIDIMKMINOR

#define MIDIMKMINOR	(	u,
		d,
		c
	)	PCMMKMINOR(u, d, c)

Definition at line 97 of file sequencer.c.

◆ MIDIUNIT

#define MIDIUNIT ( y ) ((dev2unit(y) >> 4) & 0x0f)

Definition at line 98 of file sequencer.c.

◆ PCMMKMINOR

#define PCMMKMINOR	(	u,
		d,
		c
	)	((((c) & 0xff) << 16) \| (((u) & 0x0f) << 4) \| ((d) & 0x0f))

Definition at line 95 of file sequencer.c.

◆ SEQ_RSIZE

#define SEQ_RSIZE 32

◆ SEQ_SYNC_TIMEOUT

#define SEQ_SYNC_TIMEOUT 8

Definition at line 2010 of file sequencer.c.

◆ SND_DEV_MUSIC

#define SND_DEV_MUSIC 8 /* /dev/music, level 2 interface */

Definition at line 84 of file sequencer.c.

◆ SND_DEV_SEQ

#define SND_DEV_SEQ

Value:

1 /* Sequencer output /dev/sequencer (FM

* synthesizer and MIDI output) */

Definition at line 83 of file sequencer.c.

◆ TMR_TIMERBASE

#define TMR_TIMERBASE 13

Definition at line 81 of file sequencer.c.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ DEFINE_CLASS()

DEFINE_CLASS	(	sequencer	,
		seq_methods	,
		0
	)

◆ midi_cmdname()

char * midi_cmdname	(	int	cmd,
		midi_cmdtab *	tab
	)

Definition at line 2095 of file sequencer.c.

References _midi_cmdtab::cmd, and _midi_cmdtab::name.

Referenced by mseq_ioctl(), mseq_write(), seq_chncommon(), and seq_chnvoice().

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◆ mseq_close()

int mseq_close	(	struct cdev *	i_dev,
		int	flags,
		int	mode,
		struct thread *	td
	)

Definition at line 824 of file sequencer.c.

References midimapper_close(), SEQ_DEBUG, seq_reset(), seq_sync(), and timer_stop().

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◆ mseq_ioctl()

int mseq_ioctl	(	struct cdev *	i_dev,
		u_long	cmd,
		caddr_t	arg,
		int	mode,
		struct thread *	td
	)

Definition at line 1127 of file sequencer.c.

References cmdtab_seqioctl, EV_SZ, LOOKUP_OPEN, midi_cmdname(), midi_ioctl(), MIDIQ_SIZE, RANGE, seq_convertold(), SEQ_DEBUG, seq_fetch_mid(), seq_processevent(), seq_reset(), seq_sync(), SND_DEV_MIDIN, timer_now(), and TMR_TIMERBASE.

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◆ mseq_open()

int mseq_open	(	struct cdev *	i_dev,
		int	flags,
		int	mode,
		struct thread *	td
	)

Definition at line 741 of file sequencer.c.

References MIDIDEV, midimapper_fetch_synth(), midimapper_open(), MIDIQ_SIZE, SEQ_DEBUG, SND_DEV_MUSIC, timer_setvals(), timer_start(), and timer_stop().

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◆ mseq_poll()

int mseq_poll	(	struct cdev *	i_dev,
		int	events,
		struct thread *	td
	)

Definition at line 1431 of file sequencer.c.

References MIDIQ_AVAIL, MIDIQ_LEN, and SEQ_DEBUG.

◆ mseq_read()

int mseq_read	(	struct cdev *	i_dev,
		struct uio *	uio,
		int	ioflag
	)

Definition at line 862 of file sequencer.c.

References buf, MIDIQ_DEQ, MIDIQ_EMPTY, MIDIQ_LEN, SEQ_DEBUG, and SEQ_RSIZE.

◆ mseq_write()

int mseq_write	(	struct cdev *	i_dev,
		struct uio *	uio,
		int	ioflag
	)

Definition at line 940 of file sequencer.c.

References buf, cmdtab_seqevent, count, error, EV_SZ, LOOKUP_OPEN, midi_cmdname(), MIDIQ_AVAIL, MIDIQ_ENQ, MIDIQ_LEN, seq_convertold(), SEQ_DEBUG, and seq_processevent().

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◆ seq_addunit()

static int seq_addunit ( void )

static

Definition at line 521 of file sequencer.c.

References buf, EV_SZ, free, midimapper_addseq(), MIDIMKMINOR, MIDIQ_INIT, nseq, seq_cdevsw, SEQ_DEBUG, seq_eventthread(), seqinfo_mtx, seqs, SND_DEV_MUSIC, SND_DEV_SEQ, and seq_softc::th_cv.

Referenced by seq_modevent().

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◆ seq_chncommon()

static int seq_chncommon	(	struct seq_softc *	scp,
		kobj_t	md,
		u_char *	event
	)

static

Definition at line 1765 of file sequencer.c.

References cmdtab_seqccmn, key, midi_cmdname(), QUEUEFULL, and SEQ_DEBUG.

Referenced by seq_processevent().

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◆ seq_chnvoice()

static int seq_chnvoice	(	struct seq_softc *	scp,
		kobj_t	md,
		u_char *	event
	)

static

Definition at line 1691 of file sequencer.c.

References cmdtab_seqcv, midi_cmdname(), and SEQ_DEBUG.

Referenced by seq_processevent().

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◆ seq_convertold()

static int seq_convertold	(	u_char *	event,
		u_char *	out
	)

static

Definition at line 1503 of file sequencer.c.

References dev, MORE, QUEUEFULL, seq_copytoinput(), and SEQ_DEBUG.

Referenced by mseq_ioctl(), and mseq_write().

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◆ seq_copytoinput()

void seq_copytoinput	(	struct seq_softc *	scp,
		u_char *	event,
		int	len
	)

Definition at line 1672 of file sequencer.c.

References len, MIDIQ_AVAIL, MIDIQ_ENQ, and SEQ_DEBUG.

Referenced by seq_convertold(), and seq_timing().

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◆ seq_delunit()

static int seq_delunit ( int unit )

static

Definition at line 629 of file sequencer.c.

References free, nseq, SEQ_DEBUG, seqinfo_mtx, seqs, and seq_softc::th_cv.

Referenced by seq_modevent().

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◆ seq_eventthread()

static void seq_eventthread ( void * arg )

static

Definition at line 433 of file sequencer.c.

References EV_SZ, MIDIQ_AVAIL, MIDIQ_DEQ, MIDIQ_EMPTY, SEQ_DEBUG, seq_processevent(), and seq_softc::th_cv.

Referenced by seq_addunit().

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◆ seq_fetch_mid()

static int seq_fetch_mid	(	struct seq_softc *	scp,
		int	unit,
		kobj_t *	md
	)

static

Definition at line 729 of file sequencer.c.

Referenced by mseq_ioctl(), and seq_processevent().

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◆ seq_local()

static int seq_local	(	struct seq_softc *	scp,
		u_char *	event
	)

static

Definition at line 1919 of file sequencer.c.

References SEQ_DEBUG.

Referenced by seq_processevent().

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◆ seq_modevent()

int seq_modevent	(	module_t	mod,
		int	type,
		void *	data
	)

Definition at line 695 of file sequencer.c.

References nseq, r, seq_addunit(), seq_delunit(), seqinfo_mtx, and type.

Referenced by midi_modevent().

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◆ seq_processevent()

static int seq_processevent	(	struct seq_softc *	scp,
		u_char *	event
	)

static

Definition at line 478 of file sequencer.c.

References m, seq_chncommon(), seq_chnvoice(), SEQ_DEBUG, seq_fetch_mid(), seq_local(), seq_sysex(), and seq_timing().

Referenced by mseq_ioctl(), mseq_write(), and seq_eventthread().

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◆ seq_reset()

static void seq_reset ( struct seq_softc * scp )

static

Definition at line 1965 of file sequencer.c.

References m, MIDIQ_CLEAR, and SEQ_DEBUG.

Referenced by mseq_close(), and mseq_ioctl().

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◆ seq_sync()

static int seq_sync ( struct seq_softc * scp )

static

Definition at line 2012 of file sequencer.c.

References MIDIQ_CLEAR, MIDIQ_EMPTY, MIDIQ_LEN, SEQ_DEBUG, and SEQ_SYNC_TIMEOUT.

Referenced by mseq_close(), and mseq_ioctl().

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◆ seq_sysex()

static int seq_sysex	(	struct seq_softc *	scp,
		kobj_t	md,
		u_char *	event
	)

static

Definition at line 1939 of file sequencer.c.

References SEQ_DEBUG.

Referenced by seq_processevent().

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◆ seq_timing()

static int seq_timing	(	struct seq_softc *	scp,
		u_char *	event
	)

static

Definition at line 1841 of file sequencer.c.

References param, seq_copytoinput(), SEQ_DEBUG, timer_continue(), timer_setvals(), timer_start(), timer_stop(), timer_wait(), and TMR_TIMERBASE.

Referenced by seq_processevent().

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◆ SYSCTL_INT()

SYSCTL_INT	(	_hw_midi_seq	,
		OID_AUTO	,
		debug	,
		CTLFLAG_RW	,
		&	seq_debug,
		0	,
		""
	)

◆ SYSCTL_NODE()

SYSCTL_NODE	(	_hw_midi	,
		OID_AUTO	,
		seq	,
		CTLFLAG_RD\|	CTLFLAG_MPSAFE,
		0	,
		"Midi sequencer"
	)

◆ timer_continue()

static void timer_continue ( struct seq_softc * t )

static

Definition at line 320 of file sequencer.c.

Referenced by seq_timing().

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◆ timer_now()

static int timer_now ( struct seq_softc * t )

static

Definition at line 405 of file sequencer.c.

Referenced by mseq_ioctl().

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◆ timer_setvals()

static void timer_setvals	(	struct seq_softc *	t,
		int	tempo,
		int	timerbase
	)

static

Definition at line 340 of file sequencer.c.

Referenced by mseq_open(), and seq_timing().

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◆ timer_start()

static void timer_start ( struct seq_softc * t )

static

Definition at line 313 of file sequencer.c.

Referenced by mseq_open(), and seq_timing().

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◆ timer_stop()

static void timer_stop ( struct seq_softc * t )

static

Definition at line 333 of file sequencer.c.

Referenced by mseq_close(), mseq_open(), and seq_timing().

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◆ timer_wait()

static void timer_wait	(	struct seq_softc *	t,
		int	ticks,
		int	wait_abs
	)

static

Definition at line 347 of file sequencer.c.

References SEQ_DEBUG.

Referenced by seq_timing().

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Variable Documentation

◆ cmdtab_seqccmn

midi_cmdtab cmdtab_seqccmn[]

Initial value:

= {
        {MIDI_CTL_CHANGE,       "MIDI_CTL_CHANGE"},
        {MIDI_PGM_CHANGE,       "MIDI_PGM_CHANGE"},
        {MIDI_CHN_PRESSURE,     "MIDI_CHN_PRESSURE"},
        {MIDI_PITCH_BEND,       "MIDI_PITCH_BEND"},
        {MIDI_SYSTEM_PREFIX,    "MIDI_SYSTEM_PREFIX"},
        {-1,                    NULL},
}

Definition at line 257 of file sequencer.c.

Referenced by seq_chncommon().

◆ cmdtab_seqcv

midi_cmdtab cmdtab_seqcv[]

Initial value:

= {
        {MIDI_NOTEOFF,          "MIDI_NOTEOFF"},
        {MIDI_NOTEON,           "MIDI_NOTEON"},
        {MIDI_KEY_PRESSURE,     "MIDI_KEY_PRESSURE"},
        {-1,                    NULL},
}

Definition at line 250 of file sequencer.c.

Referenced by seq_chnvoice().

◆ cmdtab_seqevent

midi_cmdtab cmdtab_seqevent[]

Initial value:

= {
        {SEQ_NOTEOFF,           "SEQ_NOTEOFF"},
        {SEQ_NOTEON,            "SEQ_NOTEON"},
        {SEQ_WAIT,              "SEQ_WAIT"},
        {SEQ_PGMCHANGE,         "SEQ_PGMCHANGE"},
        {SEQ_SYNCTIMER,         "SEQ_SYNCTIMER"},
        {SEQ_MIDIPUTC,          "SEQ_MIDIPUTC"},
        {SEQ_DRUMON,            "SEQ_DRUMON"},
        {SEQ_DRUMOFF,           "SEQ_DRUMOFF"},
        {SEQ_ECHO,              "SEQ_ECHO"},
        {SEQ_AFTERTOUCH,        "SEQ_AFTERTOUCH"},
        {SEQ_CONTROLLER,        "SEQ_CONTROLLER"},
        {SEQ_BALANCE,           "SEQ_BALANCE"},
        {SEQ_VOLMODE,           "SEQ_VOLMODE"},
        {SEQ_FULLSIZE,          "SEQ_FULLSIZE"},
        {SEQ_PRIVATE,           "SEQ_PRIVATE"},
        {SEQ_EXTENDED,          "SEQ_EXTENDED"},
        {EV_SEQ_LOCAL,          "EV_SEQ_LOCAL"},
        {EV_TIMING,             "EV_TIMING"},
        {EV_CHN_COMMON,         "EV_CHN_COMMON"},
        {EV_CHN_VOICE,          "EV_CHN_VOICE"},
        {EV_SYSEX,              "EV_SYSEX"},
        {-1,                    NULL},
}

Definition at line 168 of file sequencer.c.

Referenced by mseq_write().

◆ cmdtab_seqioctl

midi_cmdtab cmdtab_seqioctl[]

Definition at line 193 of file sequencer.c.

Referenced by mseq_ioctl().

◆ cmdtab_timer

midi_cmdtab cmdtab_timer[]

Initial value:

= {
        {TMR_WAIT_REL,  "TMR_WAIT_REL"},
        {TMR_WAIT_ABS,  "TMR_WAIT_ABS"},
        {TMR_STOP,      "TMR_STOP"},
        {TMR_START,     "TMR_START"},
        {TMR_CONTINUE,  "TMR_CONTINUE"},
        {TMR_TEMPO,     "TMR_TEMPO"},
        {TMR_ECHO,      "TMR_ECHO"},
        {TMR_CLOCK,     "TMR_CLOCK"},
        {TMR_SPP,       "TMR_SPP"},
        {TMR_TIMESIG,   "TMR_TIMESIG"},
        {-1,            NULL},
}

Definition at line 236 of file sequencer.c.

◆ mseq_close

d_close_t mseq_close

static

Definition at line 103 of file sequencer.c.

◆ mseq_ioctl

d_ioctl_t mseq_ioctl

static

Definition at line 104 of file sequencer.c.

◆ mseq_open

d_open_t mseq_open

static

Definition at line 102 of file sequencer.c.

◆ mseq_poll

d_poll_t mseq_poll

static

Definition at line 107 of file sequencer.c.

◆ mseq_read

d_read_t mseq_read

static

Definition at line 105 of file sequencer.c.

◆ mseq_write

d_write_t mseq_write

static

Definition at line 106 of file sequencer.c.

◆ nseq

u_long nseq = 0

static

Definition at line 304 of file sequencer.c.

Referenced by seq_addunit(), seq_delunit(), and seq_modevent().

◆ seq_cdevsw

struct cdevsw seq_cdevsw

static

Initial value:

= {
        .d_version = D_VERSION,
        .d_open = mseq_open,
        .d_close = mseq_close,
        .d_read = mseq_read,
        .d_write = mseq_write,
        .d_ioctl = mseq_ioctl,
        .d_poll = mseq_poll,
        .d_name = "sequencer",
}

Definition at line 109 of file sequencer.c.

Referenced by seq_addunit().

◆ seq_debug

int seq_debug

Definition at line 164 of file sequencer.c.

◆ seq_methods

kobj_method_t seq_methods[]

static

Initial value:

= {
        
        KOBJMETHOD_END
}

Definition at line 274 of file sequencer.c.

◆ seqinfo_mtx

struct mtx seqinfo_mtx

static

Definition at line 303 of file sequencer.c.

Referenced by seq_addunit(), seq_delunit(), and seq_modevent().

◆ seqs

struct seq_softc* seqs[10]

Definition at line 302 of file sequencer.c.

Referenced by seq_addunit(), and seq_delunit().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ EV_SZ

◆ IEV_SZ

◆ KOBJMETHOD_END

◆ LOOKUP_CLOSE

◆ LOOKUP_EXIST

◆ LOOKUP_OPEN

◆ MIDIDEV

◆ MIDIMKMINOR

◆ MIDIUNIT

◆ PCMMKMINOR

◆ SEQ_RSIZE

◆ SEQ_SYNC_TIMEOUT

◆ SND_DEV_MUSIC

◆ SND_DEV_SEQ

◆ TMR_TIMERBASE

Function Documentation

◆ __FBSDID()

◆ DEFINE_CLASS()

◆ midi_cmdname()

◆ mseq_close()

◆ mseq_ioctl()

◆ mseq_open()

◆ mseq_poll()

◆ mseq_read()

◆ mseq_write()

◆ seq_addunit()

◆ seq_chncommon()

◆ seq_chnvoice()

◆ seq_convertold()

◆ seq_copytoinput()

◆ seq_delunit()

◆ seq_eventthread()

◆ seq_fetch_mid()

◆ seq_local()

◆ seq_modevent()

◆ seq_processevent()

◆ seq_reset()

◆ seq_sync()

◆ seq_sysex()

◆ seq_timing()

◆ SYSCTL_INT()

◆ SYSCTL_NODE()

◆ timer_continue()

◆ timer_now()

◆ timer_setvals()

◆ timer_start()

◆ timer_stop()

◆ timer_wait()

Variable Documentation

◆ cmdtab_seqccmn

◆ cmdtab_seqcv

◆ cmdtab_seqevent

◆ cmdtab_seqioctl

◆ cmdtab_timer

◆ mseq_close

◆ mseq_ioctl

◆ mseq_open

◆ mseq_poll

◆ mseq_read

◆ mseq_write

◆ nseq

◆ seq_cdevsw

◆ seq_debug

◆ seq_methods

◆ seqinfo_mtx

◆ seqs