diff options
Diffstat (limited to 'sys/dev/sound/midi')
| -rw-r--r-- | sys/dev/sound/midi/midi.c | 1054 | ||||
| -rw-r--r-- | sys/dev/sound/midi/midi.h | 334 | ||||
| -rw-r--r-- | sys/dev/sound/midi/midibuf.c | 403 | ||||
| -rw-r--r-- | sys/dev/sound/midi/midibuf.h | 65 | ||||
| -rw-r--r-- | sys/dev/sound/midi/midisynth.c | 532 | ||||
| -rw-r--r-- | sys/dev/sound/midi/midisynth.h | 110 | ||||
| -rw-r--r-- | sys/dev/sound/midi/miditypes.h | 34 | ||||
| -rw-r--r-- | sys/dev/sound/midi/sequencer.c | 2603 | ||||
| -rw-r--r-- | sys/dev/sound/midi/sequencer.h | 272 | ||||
| -rw-r--r-- | sys/dev/sound/midi/timer.c | 564 | ||||
| -rw-r--r-- | sys/dev/sound/midi/timer.h | 80 |
11 files changed, 0 insertions, 6051 deletions
diff --git a/sys/dev/sound/midi/midi.c b/sys/dev/sound/midi/midi.c deleted file mode 100644 index a9d0184..0000000 --- a/sys/dev/sound/midi/midi.c +++ /dev/null @@ -1,1054 +0,0 @@ -/* - * Main midi driver for FreeBSD. This file provides the main - * entry points for probe/attach and all i/o demultiplexing, including - * default routines for generic devices. - * - * (C) 1999 Seigo Tanimura - * - * 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. - * - * - * For each card type a template "mididev_info" structure contains - * all the relevant parameters, both for configuration and runtime. - * - * In this file we build tables of pointers to the descriptors for - * the various supported cards. The generic probe routine scans - * the table(s) looking for a matching entry, then invokes the - * board-specific probe routine. If successful, a pointer to the - * correct mididev_info is stored in mididev_last_probed, for subsequent - * use in the attach routine. The generic attach routine copies - * the template to a permanent descriptor (midi_info and - * friends), initializes all generic parameters, and calls the - * board-specific attach routine. - * - * On device calls, the generic routines do the checks on unit and - * device parameters, then call the board-specific routines if - * available, or try to perform the task using the default code. - * - * $FreeBSD$ - * - */ - -#include <dev/sound/midi/midi.h> - -static devclass_t midi_devclass; - -static d_open_t midiopen; -static d_close_t midiclose; -static d_ioctl_t midiioctl; -static d_read_t midiread; -static d_write_t midiwrite; -static d_poll_t midipoll; - -/* These functions are local. */ -static d_open_t midistat_open; -static d_close_t midistat_close; -static d_read_t midistat_read; -static int midi_initstatus(char *buf, int size); -static int midi_readstatus(char *buf, int *ptr, struct uio *uio); - -#define CDEV_MAJOR MIDI_CDEV_MAJOR -static struct cdevsw midi_cdevsw = { - .d_version = D_VERSION, - .d_flags = D_NEEDGIANT, - .d_open = midiopen, - .d_close = midiclose, - .d_read = midiread, - .d_write = midiwrite, - .d_ioctl = midiioctl, - .d_poll = midipoll, - .d_name = "midi", - .d_maj = CDEV_MAJOR, -}; - -/* - * descriptors for active devices. also used as the public softc - * of a device. - */ -static TAILQ_HEAD(,_mididev_info) midi_info; -static int nmidi, nsynth; -/* Mutex to protect midi_info, nmidi and nsynth. */ -static struct mtx midiinfo_mtx; -static int midiinfo_mtx_init; - -/* These make the buffer for /dev/midistat */ -static int midistatbusy; -static char midistatbuf[4096]; -static int midistatptr; - -SYSCTL_NODE(_hw, OID_AUTO, midi, CTLFLAG_RD, 0, "Midi driver"); - -int midi_debug; -SYSCTL_INT(_hw_midi, OID_AUTO, debug, CTLFLAG_RW, &midi_debug, 0, ""); - -midi_cmdtab cmdtab_midiioctl[] = { - {SNDCTL_MIDI_PRETIME, "SNDCTL_MIDI_PRETIME"}, - {SNDCTL_MIDI_MPUMODE, "SNDCTL_MIDI_MPUMODE"}, - {SNDCTL_MIDI_MPUCMD, "SNDCTL_MIDI_MPUCMD"}, - {SNDCTL_SYNTH_INFO, "SNDCTL_SYNTH_INFO"}, - {SNDCTL_MIDI_INFO, "SNDCTL_MIDI_INFO"}, - {SNDCTL_SYNTH_MEMAVL, "SNDCTL_SYNTH_MEMAVL"}, - {SNDCTL_FM_LOAD_INSTR, "SNDCTL_FM_LOAD_INSTR"}, - {SNDCTL_FM_4OP_ENABLE, "SNDCTL_FM_4OP_ENABLE"}, - {MIOSPASSTHRU, "MIOSPASSTHRU"}, - {MIOGPASSTHRU, "MIOGPASSTHRU"}, - {AIONWRITE, "AIONWRITE"}, - {AIOGSIZE, "AIOGSIZE"}, - {AIOSSIZE, "AIOSSIZE"}, - {AIOGFMT, "AIOGFMT"}, - {AIOSFMT, "AIOSFMT"}, - {AIOGMIX, "AIOGMIX"}, - {AIOSMIX, "AIOSMIX"}, - {AIOSTOP, "AIOSTOP"}, - {AIOSYNC, "AIOSYNC"}, - {AIOGCAP, "AIOGCAP"}, - {-1, NULL}, -}; - -/* - * This is the generic init routine. - * Must be called after device-specific init. - */ -int -midiinit(mididev_info *d, device_t dev) -{ - int unit; - - /* - * initialize standard parameters for the device. This can be - * overridden by device-specific configurations but better do - * here the generic things. - */ - - MIDI_DEBUG(printf("midiinit: unit %d.\n", d->unit)); - - unit = d->unit; - d->softc = device_get_softc(dev); - d->dev = dev; - d->magic = MAGIC(d->unit); /* debugging... */ - d->flags = 0; - d->fflags = 0; - d->midi_dbuf_in.unit_size = 1; - d->midi_dbuf_out.unit_size = 1; - d->midi_dbuf_passthru.unit_size = 1; - - mtx_unlock(&d->flagqueue_mtx); - - if (midi_devclass == NULL) { - midi_devclass = device_get_devclass(dev); - make_dev(&midi_cdevsw, MIDIMKMINOR(0, MIDI_DEV_STATUS), - UID_ROOT, GID_WHEEL, 0444, "midistat"); - } - make_dev(&midi_cdevsw, MIDIMKMINOR(unit, MIDI_DEV_MIDIN), - UID_ROOT, GID_WHEEL, 0666, "midi%d", unit); - - return 0 ; -} - -/* - * a small utility function which, given a device number, returns - * a pointer to the associated mididev_info struct, and sets the unit - * number. - */ -mididev_info * -get_mididev_info(dev_t i_dev, int *unit) -{ - int u; - - if (MIDIDEV(i_dev) != MIDI_DEV_MIDIN) - return NULL; - u = MIDIUNIT(i_dev); - if (unit) - *unit = u; - - return get_mididev_info_unit(u); -} - -/* - * a small utility function which, given a unit number, returns - * a pointer to the associated mididev_info struct. - */ -mididev_info * -get_mididev_info_unit(int unit) -{ - mididev_info *md; - - /* XXX */ - if (!midiinfo_mtx_init) { - midiinfo_mtx_init = 1; - mtx_init(&midiinfo_mtx, "midinf", NULL, MTX_DEF); - TAILQ_INIT(&midi_info); - } - - mtx_lock(&midiinfo_mtx); - TAILQ_FOREACH(md, &midi_info, md_link) { - if (md->unit == unit) - break; - } - mtx_unlock(&midiinfo_mtx); - - return md; -} - -/* - * a small utility function which, given a unit number, returns - * a pointer to the associated mididev_info struct with MDT_MIDI. - */ -mididev_info * -get_mididev_midi_unit(int unit) -{ - mididev_info *md; - - /* XXX */ - if (!midiinfo_mtx_init) { - midiinfo_mtx_init = 1; - mtx_init(&midiinfo_mtx, "midinf", NULL, MTX_DEF); - TAILQ_INIT(&midi_info); - } - - mtx_lock(&midiinfo_mtx); - TAILQ_FOREACH(md, &midi_info, md_link) { - if (md->midiunit == unit) - break; - } - mtx_unlock(&midiinfo_mtx); - - return md; -} - -/* - * a small utility function which, given a unit number, returns - * a pointer to the associated mididev_info struct with MDT_SYNTH. - */ -mididev_info * -get_mididev_synth_unit(int unit) -{ - mididev_info *md; - - /* XXX */ - if (!midiinfo_mtx_init) { - midiinfo_mtx_init = 1; - mtx_init(&midiinfo_mtx, "midinf", NULL, MTX_DEF); - TAILQ_INIT(&midi_info); - } - - mtx_lock(&midiinfo_mtx); - TAILQ_FOREACH(md, &midi_info, md_link) { - if (md->synthunit == unit) - break; - } - mtx_unlock(&midiinfo_mtx); - - return md; -} - -/* Create a new midi device info structure. */ -/* TODO: lock md, then exit. */ -mididev_info * -create_mididev_info_unit(int type, mididev_info *mdinf, synthdev_info *syninf) -{ - int unit; - mididev_info *md, *mdnew; - - /* XXX */ - if (!midiinfo_mtx_init) { - midiinfo_mtx_init = 1; - mtx_init(&midiinfo_mtx, "midinf", NULL, MTX_DEF); - TAILQ_INIT(&midi_info); - } - - /* As malloc(9) might block, allocate mididev_info now. */ - mdnew = malloc(sizeof(mididev_info), M_DEVBUF, M_WAITOK | M_ZERO); - if (mdnew == NULL) - return NULL; - bcopy(mdinf, mdnew, sizeof(mididev_info)); - bcopy(syninf, &mdnew->synth, sizeof(synthdev_info)); - midibuf_init(&mdnew->midi_dbuf_in); - midibuf_init(&mdnew->midi_dbuf_out); - midibuf_init(&mdnew->midi_dbuf_passthru); - mtx_init(&mdnew->flagqueue_mtx, "midflq", NULL, MTX_DEF); - mtx_init(&mdnew->synth.vc_mtx, "synsvc", NULL, MTX_DEF); - mtx_init(&mdnew->synth.status_mtx, "synsst", NULL, MTX_DEF); - - mtx_lock(&midiinfo_mtx); - - switch (type) { - case MDT_MIDI: - mdnew->midiunit = nmidi; - mdnew->synthunit = nmidi; - nmidi++; - break; - case MDT_SYNTH: - mdnew->midiunit = -1; - mdnew->synthunit = nsynth; - nsynth++; - break; - default: - mtx_unlock(&midiinfo_mtx); - midibuf_destroy(&mdnew->midi_dbuf_in); - midibuf_destroy(&mdnew->midi_dbuf_out); - midibuf_destroy(&mdnew->midi_dbuf_passthru); - mtx_destroy(&mdnew->flagqueue_mtx); - mtx_destroy(&mdnew->synth.vc_mtx); - mtx_destroy(&mdnew->synth.status_mtx); - free(mdnew, M_DEVBUF); - panic("unsupported device type"); - return NULL; - } - mdnew->mdtype = type; - - for (unit = 0 ; ; unit++) { - TAILQ_FOREACH(md, &midi_info, md_link) { - if (md->unit == unit) - break; - } - if (md == NULL) - break; - } - - mdnew->unit = unit; - mtx_lock(&mdnew->flagqueue_mtx); - TAILQ_INSERT_TAIL(&midi_info, mdnew, md_link); - - mtx_unlock(&midiinfo_mtx); - - return mdnew; -} - -/* Return the number of configured devices. */ -int -mididev_info_number(void) -{ - return nmidi + nsynth; -} - -/* Return the number of configured midi devices. */ -int -mididev_midi_number(void) -{ - return nmidi; -} - -/* Return the number of configured synth devices. */ -int -mididev_synth_number(void) -{ - return nsynth; -} - -/* - * here are the switches for the main functions. The switches do - * all necessary checks on the device number to make sure - * that the device is configured. They also provide some default - * functionalities so that device-specific drivers have to deal - * only with special cases. - */ - -static int -midiopen(dev_t i_dev, int flags, int mode, struct thread *td) -{ - int ret; - - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_MIDIN: - ret = midi_open(i_dev, flags, mode, td); - break; - case MIDI_DEV_STATUS: - ret = midistat_open(i_dev, flags, mode, td); - break; - default: - ret = ENXIO; - break; - } - - return (ret); -} - -static int -midiclose(dev_t i_dev, int flags, int mode, struct thread *td) -{ - int ret; - - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_MIDIN: - ret = midi_close(i_dev, flags, mode, td); - break; - case MIDI_DEV_STATUS: - ret = midistat_close(i_dev, flags, mode, td); - break; - default: - ret = ENXIO; - break; - } - - return (ret); -} - -static int -midiread(dev_t i_dev, struct uio * buf, int flag) -{ - int ret; - - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_MIDIN: - ret = midi_read(i_dev, buf, flag); - break; - case MIDI_DEV_STATUS: - ret = midistat_read(i_dev, buf, flag); - break; - default: - ret = ENXIO; - break; - } - - return (ret); -} - -static int -midiwrite(dev_t i_dev, struct uio * buf, int flag) -{ - int ret; - - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_MIDIN: - ret = midi_write(i_dev, buf, flag); - break; - default: - ret = ENXIO; - break; - } - - return (ret); -} - -static int -midiioctl(dev_t i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td) -{ - int ret; - - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_MIDIN: - ret = midi_ioctl(i_dev, cmd, arg, mode, td); - break; - default: - ret = ENXIO; - break; - } - - return (ret); -} - -static int -midipoll(dev_t i_dev, int events, struct thread *td) -{ - int ret; - - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_MIDIN: - ret = midi_poll(i_dev, events, td); - break; - default: - ret = ENXIO; - break; - } - - return (ret); -} - -/* - * Followings are the generic methods in midi drivers. - */ - -int -midi_open(dev_t i_dev, int flags, int mode, struct thread *td) -{ - int dev, unit, ret; - mididev_info *d; - - dev = minor(i_dev); - d = get_mididev_info(i_dev, &unit); - - MIDI_DEBUG(printf("midi_open: unit %d, flags 0x%x.\n", unit, flags)); - - if (d == NULL) - return (ENXIO); - - /* Mark this device busy. */ - mtx_lock(&d->flagqueue_mtx); - device_busy(d->dev); - if ((d->flags & MIDI_F_BUSY) != 0) { - mtx_unlock(&d->flagqueue_mtx); - printf("midi_open: unit %d is busy.\n", unit); - return (EBUSY); - } - d->fflags = flags; - d->flags |= MIDI_F_BUSY; - d->flags &= ~(MIDI_F_READING | MIDI_F_WRITING); - if ((d->fflags & O_NONBLOCK) != 0) - d->flags |= MIDI_F_NBIO; - - /* Init the queue. */ - if ((flags & FREAD) != 0) - midibuf_clear(&d->midi_dbuf_in); - if ((flags & FWRITE) != 0) { - midibuf_clear(&d->midi_dbuf_out); - midibuf_clear(&d->midi_dbuf_passthru); - } - - mtx_unlock(&d->flagqueue_mtx); - - if (d->open == NULL) - ret = 0; - else - ret = d->open(i_dev, flags, mode, td); - - mtx_lock(&d->flagqueue_mtx); - - /* Begin recording if nonblocking. */ - if ((d->flags & (MIDI_F_READING | MIDI_F_NBIO)) == MIDI_F_NBIO && (d->fflags & FREAD) != 0) - d->callback(d, MIDI_CB_START | MIDI_CB_RD); - - mtx_unlock(&d->flagqueue_mtx); - - MIDI_DEBUG(printf("midi_open: opened.\n")); - - return (ret); -} - -int -midi_close(dev_t i_dev, int flags, int mode, struct thread *td) -{ - int dev, unit, ret; - mididev_info *d; - - dev = minor(i_dev); - d = get_mididev_info(i_dev, &unit); - - MIDI_DEBUG(printf("midi_close: unit %d.\n", unit)); - - if (d == NULL) - return (ENXIO); - - mtx_lock(&d->flagqueue_mtx); - - /* Stop recording and playing. */ - if ((d->flags & MIDI_F_READING) != 0) - d->callback(d, MIDI_CB_ABORT | MIDI_CB_RD); - if ((d->flags & MIDI_F_WRITING) != 0) - d->callback(d, MIDI_CB_ABORT | MIDI_CB_WR); - - /* Clear the queues. */ - if ((d->fflags & FREAD) != 0) - midibuf_clear(&d->midi_dbuf_in); - if ((d->fflags & FWRITE) != 0) { - midibuf_clear(&d->midi_dbuf_out); - midibuf_clear(&d->midi_dbuf_passthru); - } - - /* Stop playing and unmark this device busy. */ - d->flags &= ~MIDI_F_BUSY; - d->fflags = 0; - - device_unbusy(d->dev); - - mtx_unlock(&d->flagqueue_mtx); - - if (d->close == NULL) - ret = 0; - else - ret = d->close(i_dev, flags, mode, td); - - MIDI_DEBUG(printf("midi_close: closed.\n")); - - return (ret); -} - -int -midi_read(dev_t i_dev, struct uio * buf, int flag) -{ - int dev, unit, len, lenr, ret; - mididev_info *d ; - u_char *uiobuf; - - dev = minor(i_dev); - - d = get_mididev_info(i_dev, &unit); - MIDI_DEBUG(printf("midi_read: unit %d, resid %d.\n", unit, buf->uio_resid)); - - if (d == NULL) - return (ENXIO); - - ret = 0; - - len = buf->uio_resid; - lenr = 0; - - uiobuf = (u_char *)malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); - if (uiobuf == NULL) - return (ENOMEM); - - mtx_lock(&d->flagqueue_mtx); - - /* Begin recording. */ - d->callback(d, MIDI_CB_START | MIDI_CB_RD); - - /* Have we got the data to read? */ - if ((d->flags & MIDI_F_NBIO) != 0 && d->midi_dbuf_in.rl == 0) - ret = EAGAIN; - else { - if ((d->flags & MIDI_F_NBIO) != 0 && len > d->midi_dbuf_in.rl) - len = d->midi_dbuf_in.rl; - ret = midibuf_seqread(&d->midi_dbuf_in, uiobuf, len, &lenr, - d->callback, d, MIDI_CB_START | MIDI_CB_RD, - &d->flagqueue_mtx); - } - - mtx_unlock(&d->flagqueue_mtx); - - if (lenr > 0) - ret = uiomove(uiobuf, lenr, buf); - - free(uiobuf, M_DEVBUF); - - MIDI_DEBUG(printf("midi_read: ret %d, resid %d.\n", ret, buf->uio_resid)); - - return (ret); -} - -int -midi_write(dev_t i_dev, struct uio * buf, int flag) -{ - int dev, unit, len, len2, lenw, ret; - mididev_info *d; - u_char *uiobuf; - - dev = minor(i_dev); - d = get_mididev_info(i_dev, &unit); - - MIDI_DEBUG(printf("midi_write: unit %d.\n", unit)); - - if (d == NULL) - return (ENXIO); - - ret = 0; - - len = buf->uio_resid; - lenw = 0; - - uiobuf = (u_char *)malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); - if (uiobuf == NULL) - return (ENOMEM); - - ret = uiomove(uiobuf, len, buf); - if (ret != 0) { - free(uiobuf, M_DEVBUF); - return (ret); - } - - mtx_lock(&d->flagqueue_mtx); - - /* Have we got the data to write? */ - if ((d->flags & MIDI_F_NBIO) != 0 && d->midi_dbuf_out.fl == 0) { - /* Begin playing. */ - d->callback(d, MIDI_CB_START | MIDI_CB_WR); - ret = EAGAIN; - } else { - len2 = len; - if ((d->flags & MIDI_F_NBIO) != 0 && len2 > d->midi_dbuf_out.fl) - len2 = d->midi_dbuf_out.fl; - ret = midibuf_seqwrite(&d->midi_dbuf_out, uiobuf, len2, &lenw, - d->callback, d, MIDI_CB_START | MIDI_CB_WR, - &d->flagqueue_mtx); - } - - mtx_unlock(&d->flagqueue_mtx); - - free(uiobuf, M_DEVBUF); - buf->uio_resid = len - lenw; - - return (ret); -} - -/* - * generic midi ioctl. Functions of the default driver can be - * overridden by the device-specific ioctl call. - * If a device-specific call returns ENOSYS (Function not implemented), - * the default driver is called. Otherwise, the returned value - * is passed up. - * - * The default handler, for many parameters, sets the value in the - * descriptor, sets MIDI_F_INIT, and calls the callback function with - * reason INIT. If successful, the callback returns 1 and the caller - * can update the parameter. - */ - -int -midi_ioctl(dev_t i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td) -{ - int ret = ENOSYS, dev, unit; - mididev_info *d; - struct snd_size *sndsize; - snd_sync_parm *sp; - - dev = minor(i_dev); - d = get_mididev_info(i_dev, &unit); - - if (d == NULL) - return (ENXIO); - - if (d->ioctl) - ret = d->ioctl(i_dev, cmd, arg, mode, td); - if (ret != ENOSYS) - return ret; - - /* - * pass control to the default ioctl handler. Set ret to 0 now. - */ - ret = 0; - - MIDI_DEBUG(printf("midi_ioctl: unit %d, cmd %s.\n", unit, midi_cmdname(cmd, cmdtab_midiioctl))); - - /* - * all routines are called with int. blocked. Make sure that - * ints are re-enabled when calling slow or blocking functions! - */ - switch(cmd) { - - /* - * we start with the new ioctl interface. - */ - case AIONWRITE: /* how many bytes can write ? */ - mtx_lock(&d->flagqueue_mtx); - *(int *)arg = d->midi_dbuf_out.fl; - mtx_unlock(&d->flagqueue_mtx); - MIDI_DEBUG(printf("midi_ioctl: fl %d.\n", *(int *)arg)); - break; - - case AIOSSIZE: /* set the current blocksize */ - sndsize = (struct snd_size *)arg; - MIDI_DEBUG(printf("midi_ioctl: play %d, rec %d.\n", sndsize->play_size, sndsize->rec_size)); - mtx_lock(&d->flagqueue_mtx); - if (sndsize->play_size <= d->midi_dbuf_out.unit_size && sndsize->rec_size <= d->midi_dbuf_in.unit_size) { - d->midi_dbuf_out.blocksize = d->midi_dbuf_out.unit_size; - d->midi_dbuf_in.blocksize = d->midi_dbuf_in.unit_size; - sndsize->play_size = d->midi_dbuf_out.blocksize; - sndsize->rec_size = d->midi_dbuf_in.blocksize; - d->flags &= ~MIDI_F_HAS_SIZE; - mtx_unlock(&d->flagqueue_mtx); - } - else { - if (sndsize->play_size > d->midi_dbuf_out.bufsize / 4) - sndsize->play_size = d->midi_dbuf_out.bufsize / 4; - if (sndsize->rec_size > d->midi_dbuf_in.bufsize / 4) - sndsize->rec_size = d->midi_dbuf_in.bufsize / 4; - /* Round up the size to the multiple of EV_SZ. */ - d->midi_dbuf_out.blocksize = - ((sndsize->play_size + d->midi_dbuf_out.unit_size - 1) - / d->midi_dbuf_out.unit_size) * d->midi_dbuf_out.unit_size; - d->midi_dbuf_in.blocksize = - ((sndsize->rec_size + d->midi_dbuf_in.unit_size - 1) - / d->midi_dbuf_in.unit_size) * d->midi_dbuf_in.unit_size; - sndsize->play_size = d->midi_dbuf_out.blocksize; - sndsize->rec_size = d->midi_dbuf_in.blocksize; - d->flags |= MIDI_F_HAS_SIZE; - mtx_unlock(&d->flagqueue_mtx); - } - - ret = 0; - break; - - case AIOGSIZE: /* get the current blocksize */ - sndsize = (struct snd_size *)arg; - mtx_lock(&d->flagqueue_mtx); - sndsize->play_size = d->midi_dbuf_out.blocksize; - sndsize->rec_size = d->midi_dbuf_in.blocksize; - mtx_unlock(&d->flagqueue_mtx); - MIDI_DEBUG(printf("midi_ioctl: play %d, rec %d.\n", sndsize->play_size, sndsize->rec_size)); - - ret = 0; - break; - - case AIOSTOP: - mtx_lock(&d->flagqueue_mtx); - if (*(int *)arg == AIOSYNC_PLAY) /* play */ - *(int *)arg = d->callback(d, MIDI_CB_STOP | MIDI_CB_WR); - else if (*(int *)arg == AIOSYNC_CAPTURE) - *(int *)arg = d->callback(d, MIDI_CB_STOP | MIDI_CB_RD); - else { - MIDI_DEBUG(printf("midi_ioctl: bad channel 0x%x.\n", *(int *)arg)); - *(int *)arg = 0 ; - } - mtx_unlock(&d->flagqueue_mtx); - break ; - - case AIOSYNC: - sp = (snd_sync_parm *)arg; - MIDI_DEBUG(printf("midi_ioctl: unimplemented, chan 0x%03lx pos %lu.\n", - sp->chan, - sp->pos)); - break; - /* - * here follow the standard ioctls (filio.h etc.) - */ - case FIONREAD: /* get # bytes to read */ - mtx_lock(&d->flagqueue_mtx); - *(int *)arg = d->midi_dbuf_in.rl; - mtx_unlock(&d->flagqueue_mtx); - MIDI_DEBUG(printf("midi_ioctl: rl %d.\n", *(int *)arg)); - break; - - case FIOASYNC: /*set/clear async i/o */ - MIDI_DEBUG(printf("FIOASYNC\n")); - break; - - case FIONBIO: /* set/clear non-blocking i/o */ - mtx_lock(&d->flagqueue_mtx); - if (*(int *)arg == 0) - d->flags &= ~MIDI_F_NBIO ; - else - d->flags |= MIDI_F_NBIO ; - mtx_unlock(&d->flagqueue_mtx); - MIDI_DEBUG(printf("midi_ioctl: arg %d.\n", *(int *)arg)); - break ; - - case MIOSPASSTHRU: /* set/clear passthru */ - mtx_lock(&d->flagqueue_mtx); - if (*(int *)arg == 0) - d->flags &= ~MIDI_F_PASSTHRU ; - else - d->flags |= MIDI_F_PASSTHRU ; - - /* Init the queue. */ - midibuf_clear(&d->midi_dbuf_passthru); - - mtx_unlock(&d->flagqueue_mtx); - MIDI_DEBUG(printf("midi_ioctl: passthru %d.\n", *(int *)arg)); - - /* FALLTHROUGH */ - case MIOGPASSTHRU: /* get passthru */ - mtx_lock(&d->flagqueue_mtx); - if ((d->flags & MIDI_F_PASSTHRU) != 0) - *(int *)arg = 1; - else - *(int *)arg = 0; - mtx_unlock(&d->flagqueue_mtx); - MIDI_DEBUG(printf("midi_ioctl: passthru %d.\n", *(int *)arg)); - break; - - default: - MIDI_DEBUG(printf("midi_ioctl: default ioctl midi%d subdev %d fn 0x%08lx fail\n", - unit, dev & 0xf, cmd)); - ret = EINVAL; - break ; - } - return ret ; -} - -int -midi_poll(dev_t i_dev, int events, struct thread *td) -{ - int unit, dev, ret, lim; - mididev_info *d; - - dev = minor(i_dev); - d = get_mididev_info(i_dev, &unit); - - MIDI_DEBUG(printf("midi_poll: unit %d.\n", unit)); - - if (d == NULL) - return (ENXIO); - - ret = 0; - - mtx_lock(&d->flagqueue_mtx); - - /* Look up the apropriate queue and select it. */ - if ((events & (POLLOUT | POLLWRNORM)) != 0) { - /* Start playing. */ - d->callback(d, MIDI_CB_START | MIDI_CB_WR); - - /* Find out the boundary. */ - if ((d->flags & MIDI_F_HAS_SIZE) != 0) - lim = d->midi_dbuf_out.blocksize; - else - lim = d->midi_dbuf_out.unit_size; - if (d->midi_dbuf_out.fl < lim) - /* No enough space, record select. */ - selrecord(td, &d->midi_dbuf_out.sel); - else - /* We can write now. */ - ret |= events & (POLLOUT | POLLWRNORM); - } - if ((events & (POLLIN | POLLRDNORM)) != 0) { - /* Start recording. */ - d->callback(d, MIDI_CB_START | MIDI_CB_RD); - - /* Find out the boundary. */ - if ((d->flags & MIDI_F_HAS_SIZE) != 0) - lim = d->midi_dbuf_in.blocksize; - else - lim = d->midi_dbuf_in.unit_size; - if (d->midi_dbuf_in.rl < lim) - /* No data ready, record select. */ - selrecord(td, &d->midi_dbuf_in.sel); - else - /* We can write now. */ - ret |= events & (POLLIN | POLLRDNORM); - } - - mtx_unlock(&d->flagqueue_mtx); - - return (ret); -} - -void -midi_intr(mididev_info *d) -{ - if (d->intr != NULL) - d->intr(d->intrarg, d); -} - -/* Flush the output queue. */ -#define MIDI_SYNC_TIMEOUT 1 -int -midi_sync(mididev_info *d) -{ - int i, rl; - - mtx_assert(&d->flagqueue_mtx, MA_OWNED); - - MIDI_DEBUG(printf("midi_sync: unit %d.\n", d->unit)); - - while (d->midi_dbuf_out.rl > 0) { - if ((d->flags & MIDI_F_WRITING) == 0) - d->callback(d, MIDI_CB_START | MIDI_CB_WR); - rl = d->midi_dbuf_out.rl; - i = cv_timedwait_sig(&d->midi_dbuf_out.cv_out, - &d->flagqueue_mtx, - (d->midi_dbuf_out.bufsize * 10 * hz / 38400) - + MIDI_SYNC_TIMEOUT * hz); - if (i == EINTR || i == ERESTART) { - if (i == EINTR) - d->callback(d, MIDI_CB_STOP | MIDI_CB_WR); - return (i); - } - if (i == EWOULDBLOCK && rl == d->midi_dbuf_out.rl) { - /* A queue seems to be stuck up. Give up and clear the queue. */ - d->callback(d, MIDI_CB_STOP | MIDI_CB_WR); - midibuf_clear(&d->midi_dbuf_out); - return (0); - } - } - - return 0; -} - -/* - * These handle the status message of the midi drivers. - */ - -int -midistat_open(dev_t i_dev, int flags, int mode, struct thread *td) -{ - if (midistatbusy) - return (EBUSY); - - bzero(midistatbuf, sizeof(midistatbuf)); - midistatptr = 0; - if (midi_initstatus(midistatbuf, sizeof(midistatbuf) - 1)) - return (ENOMEM); - - midistatbusy = 1; - - return (0); -} - -int -midistat_close(dev_t i_dev, int flags, int mode, struct thread *td) -{ - midistatbusy = 0; - - return (0); -} - -int -midistat_read(dev_t i_dev, struct uio * buf, int flag) -{ - return midi_readstatus(midistatbuf, &midistatptr, buf); -} - -/* - * finally, some "libraries" - */ - -/* Inits the buffer for /dev/midistat. */ -static int -midi_initstatus(char *buf, int size) -{ - int i, p; - device_t dev; - mididev_info *md; - - p = 0; - p += snprintf(buf, size, "FreeBSD Midi Driver (newmidi) %s %s\nInstalled devices:\n", __DATE__, __TIME__); - for (i = 0 ; i < mididev_info_number() ; i++) { - md = get_mididev_info_unit(i); - if (!MIDICONFED(md)) - continue; - dev = devclass_get_device(midi_devclass, i); - if (p < size) - p += snprintf(&buf[p], size - p, "midi%d: <%s> %s\n", i, device_get_desc(dev), md->midistat); - else - return (1); - } - - return (0); -} - -/* Reads the status message. */ -static int -midi_readstatus(char *buf, int *ptr, struct uio *uio) -{ - int len; - - len = min(uio->uio_resid, strlen(&buf[*ptr])); - if (len > 0) { - uiomove(&buf[*ptr], len, uio); - *ptr += len; - } - - return (0); -} - -char -*midi_cmdname(int cmd, midi_cmdtab *tab) -{ - while (tab->name != NULL) { - if (cmd == tab->cmd) - return (tab->name); - tab++; - } - - return ("unknown"); -} diff --git a/sys/dev/sound/midi/midi.h b/sys/dev/sound/midi/midi.h deleted file mode 100644 index 634d457..0000000 --- a/sys/dev/sound/midi/midi.h +++ /dev/null @@ -1,334 +0,0 @@ -/* - * Include file for midi driver. - * - * Copyright by Seigo Tanimura 1999. - * - * 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. - * - * $FreeBSD$ - * - */ - -/* - * first, include kernel header files. - */ - -#ifndef _MIDI_H_ -#define _MIDI_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/tty.h> -#include <sys/proc.h> -#include <sys/sysctl.h> - -#include <sys/kernel.h> /* for DATA_SET */ - -#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_memio.h> -#include <machine/bus_pio.h> -#include <machine/bus.h> -#include <machine/clock.h> /* for DELAY */ -#include <sys/limits.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 <dev/sound/midi/miditypes.h> -#include <dev/sound/midi/midibuf.h> -#include <dev/sound/midi/midisynth.h> - -#define MIDI_CDEV_MAJOR 30 - -/*#define MIDI_OUTOFGIANT*/ - -/* - * The order of mutex lock (from the first to the last) - * - * 1. sequencer flags, queues, timer and device list - * 2. midi synth voice and channel - * 3. midi synth status - * 4. generic midi flags and queues - * 5. midi device - */ - -/* - * descriptor of midi operations ... - * - */ - -struct _mididev_info { - - /* - * the first part of the descriptor is filled up from a - * template. - */ - char name[64]; - - int type; - - d_open_t *open; - d_close_t *close; - d_ioctl_t *ioctl; - midi_callback_t *callback; - - /* - * combinations of the following flags are used as second argument in - * the callback from the dma module to the device-specific routines. - */ - -#define MIDI_CB_RD 0x100 /* read callback */ -#define MIDI_CB_WR 0x200 /* write callback */ -#define MIDI_CB_REASON_MASK 0xff -#define MIDI_CB_START 0x01 /* start dma op */ -#define MIDI_CB_STOP 0x03 /* stop dma op */ -#define MIDI_CB_ABORT 0x04 /* abort dma op */ -#define MIDI_CB_INIT 0x05 /* init board parameters */ - - /* - * callback extensions - */ -#define MIDI_CB_DMADONE 0x10 -#define MIDI_CB_DMAUPDATE 0x11 -#define MIDI_CB_DMASTOP 0x12 - - /* init can only be called with int enabled and - * no pending DMA activity. - */ - - /* - * whereas from here, parameters are set at runtime. - * resources are stored in the softc of the device, - * not in the common structure. - */ - - int unit; /* unit number of the device */ - int midiunit; /* unit number for midi devices */ - int synthunit; /* unit number for synth devices */ - int mdtype; /* MDT_MIDI or MDT_SYNTH */ - void *softc; /* softc for the device */ - device_t dev; /* device_t for the device */ - - int bd_id; /* used to hold board-id info, eg. sb version, - * mss codec type, etc. etc. - */ - - struct mtx flagqueue_mtx; /* Mutex to protect flags and queues */ - - /* Queues */ - midi_dbuf midi_dbuf_in; /* midi input event/message queue */ - midi_dbuf midi_dbuf_out; /* midi output event/message queue */ - midi_dbuf midi_dbuf_passthru; /* midi passthru event/message queue */ - - /* - * these parameters describe the operation of the board. - * Generic things like busy flag, speed, etc are here. - */ - - /* Flags */ - volatile u_long flags; /* 32 bits, used for various purposes. */ - int fflags; /* file flag */ - - /* - * we have separate flags for read and write, although in some - * cases this is probably not necessary (e.g. because we cannot - * know how many processes are using the device, we cannot - * distinguish if open, close, abort are for a write or for a - * read). - */ - - /* - * the following flag is used by open-close routines - * to mark the status of the device. - */ -#define MIDI_F_BUSY 0x0001 /* has been opened */ - /* - * the next two are used to allow only one pending operation of - * each type. - */ -#define MIDI_F_READING 0x0004 /* have a pending read */ -#define MIDI_F_WRITING 0x0008 /* have a pending write */ - - /* - * flag used to mark a pending close. - */ -#define MIDI_F_CLOSING 0x0040 /* a pending close */ - - /* - * if user has not set block size, then make it adaptive - * (0.25s, or the perhaps last read/write ?) - */ -#define MIDI_F_HAS_SIZE 0x0080 /* user set block size */ - /* - * assorted flags related to operating mode. - */ -#define MIDI_F_STEREO 0x0100 /* doing stereo */ -#define MIDI_F_NBIO 0x0200 /* do non-blocking i/o */ -#define MIDI_F_PASSTHRU 0x0400 /* pass received data to output port */ - - /* - * these flags mark a pending abort on a r/w operation. - */ -#define MIDI_F_ABORTING 0x1000 /* a pending abort */ - - /* - * this is used to mark that board initialization is needed, e.g. - * because of a change in sampling rate, format, etc. -- It will - * be done at the next convenient time. - */ -#define MIDI_F_INIT 0x4000 /* changed parameters. need init */ - - int play_blocksize, rec_blocksize; /* blocksize for io and dma ops */ - -#define mwsel midi_dbuf_out.sel -#define mrsel midi_dbuf_in.sel - u_long nterrupts; /* counter of interrupts */ - u_long magic; -#define MAGIC(unit) ( 0xa4d10de0 + unit ) - void *device_data ; /* just in case it is needed...*/ - - midi_intr_t *intr; /* interrupt handler of the upper layer (ie sequencer) */ - void *intrarg; /* argument to interrupt handler */ - - /* The following is the interface from a midi sequencer to a midi device. */ - synthdev_info synth; - - /* This is the status message to display via /dev/midistat */ - char midistat[128]; - - /* The tailq entry of the next midi device. */ - TAILQ_ENTRY(_mididev_info) md_link; - - /* The tailq entry of the next midi device opened by a sequencer. */ - TAILQ_ENTRY(_mididev_info) md_linkseq; -} ; - -/* - * then ioctls and other stuff - */ - -#define NMIDI_MAX 16 /* Number of supported devices */ - -/* - * many variables should be reduced to a range. Here define a macro - */ - -#define RANGE(var, low, high) (var) = \ -((var)<(low)?(low) : (var)>(high)?(high) : (var)) - -/* - * convert dev_t to unit and dev - */ -#define MIDIMINOR(x) (minor(x)) -#define MIDIUNIT(x) ((MIDIMINOR(x) & 0x000000f0) >> 4) -#define MIDIDEV(x) (MIDIMINOR(x) & 0x0000000f) -#define MIDIMKMINOR(u, d) (((u) & 0x0f) << 4 | ((d) & 0x0f)) -#define MIDIMKDEV(m, u, d) (udev2dev(makeudev((m), MIDIMKMINOR((u), (d))))) - -/* - * see if the device is configured - */ -#define MIDICONFED(x) ((x)->ioctl != NULL) - -/* - * finally, all default parameters - */ -#define MIDI_BUFFSIZE (1024) /* XXX */ - -#ifdef _KERNEL - -/* This is the generic midi drvier initializer. */ - int midiinit(mididev_info *d, device_t dev); - -/* This provides an access to the mididev_info. */ - mididev_info *get_mididev_info(dev_t i_dev, int *unit); - mididev_info *get_mididev_info_unit(int unit); - mididev_info *get_mididev_midi_unit(int unit); - mididev_info *get_mididev_synth_unit(int unit); - mididev_info *create_mididev_info_unit(int type, mididev_info *mdinf, synthdev_info *syninf); - int mididev_info_number(void); - int mididev_midi_number(void); - int mididev_synth_number(void); -#define MDT_MIDI (0) -#define MDT_SYNTH (1) - -/* These are the generic methods for a midi driver. */ - d_open_t midi_open; - d_close_t midi_close; - d_ioctl_t midi_ioctl; - d_read_t midi_read; - d_write_t midi_write; - d_poll_t midi_poll; - -/* Common interrupt handler */ -void midi_intr(mididev_info *); - -/* Sync output */ -int midi_sync(mididev_info *); - -struct _midi_cmdtab { - int cmd; - char * name; -}; -typedef struct _midi_cmdtab midi_cmdtab; - -char *midi_cmdname(int cmd, midi_cmdtab *tab); - -SYSCTL_DECL(_hw_midi); - -extern int midi_debug; -#define MIDI_DEBUG(x) \ - do { \ - if (midi_debug) { \ - (x); \ - } \ - } while(0) - -extern midi_cmdtab cmdtab_midiioctl[]; - -#endif /* _KERNEL */ - -/* - * Minor numbers for the midi driver. - */ - -#define MIDI_DEV_MIDIN 2 /* Raw midi access */ -#define MIDI_DEV_STATUS 15 /* /dev/midistat */ - -#endif /* _MIDI_H_ */ diff --git a/sys/dev/sound/midi/midibuf.c b/sys/dev/sound/midi/midibuf.c deleted file mode 100644 index f444405..0000000 --- a/sys/dev/sound/midi/midibuf.c +++ /dev/null @@ -1,403 +0,0 @@ -/* - * Copyright (C) 1999 Seigo Tanimura - * All rights reserved. - * - * 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. - * - * $FreeBSD$ - * - */ - -/* - * This file implements a midi event/message queue. A midi - * event/message queue holds midi events and messages to - * transmit to or received from a midi interface. - */ - -#include <dev/sound/midi/midi.h> - -/* Some macros to handle the queue. */ -#define DATA_AVAIL(dbuf) ((dbuf)->rl) -#define SPACE_AVAIL(dbuf) ((dbuf)->fl) - -static void queuerawdata(midi_dbuf *dbuf, char *data, int len); -static void dequeuerawdata(midi_dbuf *dbuf, char *data, int len); -static void copyrawdata(midi_dbuf *dbuf, int offset, char *data, int len); -static void deleterawdata(midi_dbuf *dbuf, int len); - -/* - * Here are the functions to interact to the midi device drivers. - * These are called from midi device driver functions under sys/i386/isa/snd. - */ - -int -midibuf_init(midi_dbuf *dbuf) -{ - if (dbuf->buf == NULL) { - dbuf->buf = malloc(MIDI_BUFFSIZE, M_DEVBUF, M_WAITOK | M_ZERO); - cv_init(&dbuf->cv_in, "midi queue in"); - cv_init(&dbuf->cv_out, "midi queue out"); - } - - return (midibuf_clear(dbuf)); -} - -int -midibuf_destroy(midi_dbuf *dbuf) -{ - if (dbuf->buf != NULL) { - free(dbuf->buf, M_DEVBUF); - cv_destroy(&dbuf->cv_in); - cv_destroy(&dbuf->cv_out); - } - - return (0); -} - -int -midibuf_clear(midi_dbuf *dbuf) -{ - bzero(dbuf->buf, MIDI_BUFFSIZE); - dbuf->bufsize = MIDI_BUFFSIZE; - dbuf->rp = dbuf->fp = 0; - dbuf->dl = 0; - dbuf->rl = 0; - dbuf->fl = dbuf->bufsize; - dbuf->int_count = 0; - dbuf->chan = 0; - /*dbuf->unit_size = 1;*/ /* The drivers are responsible. */ - bzero(&dbuf->sel, sizeof(dbuf->sel)); - dbuf->total = 0; - dbuf->prev_total = 0; - dbuf->blocksize = dbuf->bufsize / 4; - - return (0); -} - -/* The sequencer calls this function to queue data. */ -int -midibuf_seqwrite(midi_dbuf *dbuf, u_char* data, int len, int *lenw, midi_callback_t *cb, void *d, int reason, struct mtx *m) -{ - int i, lwrt; - - if (m != NULL) - mtx_assert(m, MA_OWNED); - - if (lenw == NULL) - return (EINVAL); - *lenw = 0; - - /* Is this a real queue? */ - if (dbuf == (midi_dbuf *)NULL) - return (EINVAL); - - /* Write down every single byte. */ - while (len > 0) { - /* Find out the number of bytes to write. */ - lwrt = SPACE_AVAIL(dbuf); - if (lwrt > len) - lwrt = len; - if (lwrt > 0) { - /* We can write some now. Queue the data. */ - queuerawdata(dbuf, data, lwrt); - - *lenw += lwrt; - len -= lwrt; - data += lwrt; - } - - if (cb != NULL) - (*cb)(d, reason); - - /* Have we got still more data to write? */ - if (len > 0) { - /* Sleep until we have enough space. */ - i = cv_wait_sig(&dbuf->cv_out, m); - if (i == EINTR || i == ERESTART) - return (i); - } - } - - return (0); -} - -int -midibuf_output_intr(midi_dbuf *dbuf, u_char *data, int len, int *leno) -{ - if (leno == NULL) - return (EINVAL); - *leno = 0; - - /* Is this a real queue? */ - if (dbuf == (midi_dbuf *)NULL) - return (EINVAL); - - /* Have we got any data in the queue? */ - *leno = DATA_AVAIL(dbuf); - if (*leno == 0) - return (EAGAIN); - - /* Dequeue the data. */ - if (*leno > len) - *leno = len; - dequeuerawdata(dbuf, data, *leno); - - return (0); -} - -int -midibuf_input_intr(midi_dbuf *dbuf, u_char *data, int len, int *leni) -{ - if (leni == NULL) - return (EINVAL); - *leni = 0; - - /* Is this a real queue? */ - if (dbuf == (midi_dbuf *)NULL) - return (EINVAL); - - /* Have we got any data to write? */ - if (len == 0) - return (0); - /* Can we write now? */ - if (SPACE_AVAIL(dbuf) < len) - return (EAGAIN); - - /* We can write some now. Queue the data. */ - queuerawdata(dbuf, data, len); - *leni = len; - - return (0); -} - -/* The sequencer calls this function to dequeue data. */ -int -midibuf_seqread(midi_dbuf *dbuf, u_char* data, int len, int *lenr, midi_callback_t *cb, void *d, int reason, struct mtx *m) -{ - int i, lrd; - - if (m != NULL) - mtx_assert(m, MA_OWNED); - - if (lenr == NULL) - return (EINVAL); - *lenr = 0; - - /* Is this a real queue? */ - if (dbuf == (midi_dbuf *)NULL) - return (EINVAL); - - /* Write down every single byte. */ - while (len > 0) { - if (cb != NULL) - (*cb)(d, reason); - - /* Have we got data to read? */ - if ((lrd = DATA_AVAIL(dbuf)) == 0) { - /* Sleep until we have data ready to read. */ - i = cv_wait_sig(&dbuf->cv_in, m); - if (i == EINTR || i == ERESTART) - return (i); - /* Find out the number of bytes to read. */ - lrd = DATA_AVAIL(dbuf); - } - - if (lrd > len) - lrd = len; - if (lrd > 0) { - /* We can read some data now. Dequeue the data. */ - dequeuerawdata(dbuf, data, lrd); - - *lenr += lrd; - len -= lrd; - data += lrd; - } - } - - return (0); -} - -/* The sequencer calls this function to copy data without dequeueing. */ -int -midibuf_seqcopy(midi_dbuf *dbuf, u_char* data, int len, int *lenc, midi_callback_t *cb, void *d, int reason, struct mtx *m) -{ - int i, lrd; - - if (m != NULL) - mtx_assert(m, MA_OWNED); - - if (lenc == NULL) - return (EINVAL); - *lenc = 0; - - /* Is this a real queue? */ - if (dbuf == (midi_dbuf *)NULL) - return (EINVAL); - - /* Write down every single byte. */ - while (len > 0) { - if (cb != NULL) - (*cb)(d, reason); - - /* Have we got data to read? */ - if ((lrd = DATA_AVAIL(dbuf)) == 0) { - /* Sleep until we have data ready to read. */ - i = cv_wait_sig(&dbuf->cv_in, m); - if (i == EINTR || i == ERESTART) - return (i); - /* Find out the number of bytes to read. */ - lrd = DATA_AVAIL(dbuf); - } - - if (lrd > len) - lrd = len; - if (lrd > 0) { - /* We can read some data now. Copy the data. */ - copyrawdata(dbuf, *lenc, data, lrd); - - *lenc += lrd; - len -= lrd; - data += lrd; - } - } - - return (0); -} - -/* - * The sequencer calls this function to delete the data - * that the sequencer has already read. - */ -int -midibuf_seqdelete(midi_dbuf *dbuf, int len, int *lenr, midi_callback_t *cb, void *d, int reason, struct mtx *m) -{ - int i, lrd; - - if (m != NULL) - mtx_assert(m, MA_OWNED); - - if (lenr == NULL) - return (EINVAL); - *lenr = 0; - - /* Is this a real queue? */ - if (dbuf == (midi_dbuf *)NULL) - return (EINVAL); - - /* Write down every single byte. */ - while (len > 0) { - if (cb != NULL) - (*cb)(d, reason); - - /* Have we got data to read? */ - if ((lrd = DATA_AVAIL(dbuf)) == 0) { - /* Sleep until we have data ready to read. */ - i = cv_wait_sig(&dbuf->cv_in, m); - if (i == EINTR || i == ERESTART) - return (i); - /* Find out the number of bytes to read. */ - lrd = DATA_AVAIL(dbuf); - } - - if (lrd > len) - lrd = len; - if (lrd > 0) { - /* We can read some data now. Delete the data. */ - deleterawdata(dbuf, lrd); - - *lenr += lrd; - len -= lrd; - } - } - - return (0); -} - -/* - * The functions below here are the libraries for the above ones. - */ - -static void -queuerawdata(midi_dbuf *dbuf, char *data, int len) -{ - /* dbuf->fp might wrap around dbuf->bufsize. */ - if (dbuf->bufsize - dbuf->fp < len) { - /* The new data wraps, copy them twice. */ - bcopy(data, dbuf->buf + dbuf->fp, dbuf->bufsize - dbuf->fp); - bcopy(data + dbuf->bufsize - dbuf->fp, dbuf->buf, len - (dbuf->bufsize - dbuf->fp)); - } else - /* The new data do not wrap, once is enough. */ - bcopy(data, dbuf->buf + dbuf->fp, len); - - /* Adjust the pointer and the length counters. */ - dbuf->fp = (dbuf->fp + len) % dbuf->bufsize; - dbuf->fl -= len; - dbuf->rl += len; - - /* Wake up the processes sleeping on input data. */ - cv_broadcast(&dbuf->cv_in); - if (SEL_WAITING(&dbuf->sel) && dbuf->rl >= dbuf->blocksize) - selwakeuppri(&dbuf->sel, PRIBIO); -} - -static void -dequeuerawdata(midi_dbuf *dbuf, char *data, int len) -{ - /* Copy the data. */ - copyrawdata(dbuf, 0, data, len); - - /* Delete the data. */ - deleterawdata(dbuf, len); -} - -static void -copyrawdata(midi_dbuf *dbuf, int offset, char *data, int len) -{ - int rp; - - rp = (dbuf->rp + offset) % dbuf->bufsize; - - /* dbuf->rp might wrap around dbuf->bufsize. */ - if (dbuf->bufsize - rp < len) { - /* The data to be read wraps, copy them twice. */ - bcopy(dbuf->buf + rp, data, dbuf->bufsize - rp); - bcopy(dbuf->buf, data + dbuf->bufsize - rp, len - (dbuf->bufsize - rp)); - } else - /* The new data do not wrap, once is enough. */ - bcopy(dbuf->buf + rp, data, len); -} - -static void -deleterawdata(midi_dbuf *dbuf, int len) -{ - /* Adjust the pointer and the length counters. */ - dbuf->rp = (dbuf->rp + len) % dbuf->bufsize; - dbuf->rl -= len; - dbuf->fl += len; - - /* Wake up the processes sleeping on queueing. */ - cv_broadcast(&dbuf->cv_out); - if (SEL_WAITING(&dbuf->sel) && dbuf->fl >= dbuf->blocksize) - selwakeuppri(&dbuf->sel, PRIBIO); -} diff --git a/sys/dev/sound/midi/midibuf.h b/sys/dev/sound/midi/midibuf.h deleted file mode 100644 index a25c1cc..0000000 --- a/sys/dev/sound/midi/midibuf.h +++ /dev/null @@ -1,65 +0,0 @@ -/* - * Include file for midi buffer. - * - * Copyright by Seigo Tanimura 1999. - * - * 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. - * - * $FreeBSD$ - * - */ - -/* - * descriptor of a midi buffer. See midibuf.c for documentation. - * (rp,rl) and (fp,fl) identify the READY and FREE regions of the - * buffer. dl contains the length used for dma transfer, dl>0 also - * means that the channel is busy and there is a DMA transfer in progress. - */ - -typedef struct _midi_dbuf { - char *buf; - int bufsize ; - volatile int rp, fp; /* pointers to the ready and free area */ - volatile int dl; /* transfer size */ - volatile int rl, fl; /* length of ready and free areas. */ - int int_count; - int chan; /* dma channel */ - int unit_size ; /* unit size */ - struct selinfo sel; - u_long total; /* total bytes processed */ - u_long prev_total; /* copy of the above when GETxPTR called */ - struct cv cv_in, cv_out; /* condvars */ - int blocksize; /* block size */ -} midi_dbuf ; - -/* - * These are the midi buffer methods, used in midi interface devices. - */ -int midibuf_init(midi_dbuf *dbuf); -int midibuf_destroy(midi_dbuf *dbuf); -int midibuf_clear(midi_dbuf *dbuf); -int midibuf_seqwrite(midi_dbuf *dbuf, u_char* data, int len, int *lenw, midi_callback_t *cb, void *d, int reason, struct mtx *m); -int midibuf_output_intr(midi_dbuf *dbuf, u_char *data, int len, int *leno); -int midibuf_input_intr(midi_dbuf *dbuf, u_char *data, int len, int *leni); -int midibuf_seqread(midi_dbuf *dbuf, u_char* data, int len, int *lenr, midi_callback_t *cb, void *d, int reason, struct mtx *m); -int midibuf_seqcopy(midi_dbuf *dbuf, u_char* data, int len, int *lenc, midi_callback_t *cb, void *d, int reason, struct mtx *m); -int midibuf_seqdelete(midi_dbuf *dbuf, int len, int *lend, midi_callback_t *cb, void *d, int reason, struct mtx *m); diff --git a/sys/dev/sound/midi/midisynth.c b/sys/dev/sound/midi/midisynth.c deleted file mode 100644 index d370833..0000000 --- a/sys/dev/sound/midi/midisynth.c +++ /dev/null @@ -1,532 +0,0 @@ -/* - * Copyright by Hannu Savolainen 1993 - * - * 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. - * - * $FreeBSD$ - * - */ - -/* - * This is the interface for a sequencer to interact a midi driver. - * This interface translates the sequencer operations to the corresponding - * midi messages, and vice versa. - */ - -#include <dev/sound/midi/midi.h> - -#define TYPEDRANGE(type, x, lower, upper) \ -{ \ - type tl, tu; \ - tl = (lower); \ - tu = (upper); \ - if (x < tl) { \ - x = tl; \ - } else if(x > tu) { \ - x = tu; \ - } \ -} - -/* - * These functions goes into midisynthdev_op_desc. - */ -static mdsy_killnote_t synth_killnote; -static mdsy_setinstr_t synth_setinstr; -static mdsy_startnote_t synth_startnote; -static mdsy_reset_t synth_reset; -static mdsy_hwcontrol_t synth_hwcontrol; -static mdsy_loadpatch_t synth_loadpatch; -static mdsy_panning_t synth_panning; -static mdsy_aftertouch_t synth_aftertouch; -static mdsy_controller_t synth_controller; -static mdsy_patchmgr_t synth_patchmgr; -static mdsy_bender_t synth_bender; -static mdsy_allocvoice_t synth_allocvoice; -static mdsy_setupvoice_t synth_setupvoice; -static mdsy_sendsysex_t synth_sendsysex; -static mdsy_prefixcmd_t synth_prefixcmd; -static mdsy_volumemethod_t synth_volumemethod; -static mdsy_readraw_t synth_readraw; -static mdsy_writeraw_t synth_writeraw; - -/* - * This is the synthdev_info for a midi interface device. - * You may have to replace a few of functions for an internal - * synthesizer. - */ -synthdev_info midisynth_op_desc = { - synth_killnote, - synth_setinstr, - synth_startnote, - synth_reset, - synth_hwcontrol, - synth_loadpatch, - synth_panning, - synth_aftertouch, - synth_controller, - synth_patchmgr, - synth_bender, - synth_allocvoice, - synth_setupvoice, - synth_sendsysex, - synth_prefixcmd, - synth_volumemethod, - synth_readraw, - synth_writeraw, -}; - -/* The following functions are local. */ -static int synth_leavesysex(mididev_info *md); - -/* - * Here are the main functions to interact to the midi sequencer. - * These are called from the sequencer functions in sequencer.c. - */ - -static int -synth_killnote(mididev_info *md, int chn, int note, int vel) -{ - int unit, lenw; - synthdev_info *sd; - u_char c[3]; - - unit = md->unit; - sd = &md->synth; - - if (note < 0 || note > 127 || chn < 0 || chn > 15) - return (EINVAL); - TYPEDRANGE(int, vel, 0, 127); - if (synth_leavesysex(md) == EAGAIN) - return (EAGAIN); - - if (vel == 64) { - c[0] = 0x90 | (chn & 0x0f); /* Note on. */ - c[1] = (u_char)note; - c[2] = 0; - } else { - c[0] = 0x80 | (chn & 0x0f); /* Note off. */ - c[1] = (u_char)note; - c[2] = (u_char)vel; - } - - if (synth_prefixcmd(md, c[0])) - return (0); - - return (md->synth.writeraw(md, c, 3, &lenw, 1)); -} - -static int -synth_setinstr(mididev_info *md, int chn, int instr) -{ - int unit, lenw; - synthdev_info *sd; - u_char c[2]; - - unit = md->unit; - sd = &md->synth; - - if (instr < 0 || instr > 127 || chn < 0 || chn > 15) - return (EINVAL); - - if (synth_leavesysex(md) == EAGAIN) - return (EAGAIN); - - c[0] = 0xc0 | (chn & 0x0f); /* Progamme change. */ - c[1] = (u_char)instr; - - return (md->synth.writeraw(md, c, 3, &lenw, 1)); -} - -static int -synth_startnote(mididev_info *md, int chn, int note, int vel) -{ - int unit, lenw; - synthdev_info *sd; - u_char c[3]; - - unit = md->unit; - sd = &md->synth; - - if (note < 0 || note > 127 || chn < 0 || chn > 15) - return (EINVAL); - TYPEDRANGE(int, vel, 0, 127); - if (synth_leavesysex(md) == EAGAIN) - return (EAGAIN); - - c[0] = 0x90 | (chn & 0x0f); /* Note on. */ - c[1] = (u_char)note; - c[2] = (u_char)vel; - if (synth_prefixcmd(md, c[0])) - return (0); - - return (md->synth.writeraw(md, c, 3, &lenw, 1)); -} - -static int -synth_reset(mididev_info *md) -{ - synth_leavesysex(md); - return (0); -} - -static int -synth_hwcontrol(mididev_info *md, u_char *event) -{ - /* NOP. */ - return (0); -} - -static int -synth_loadpatch(mididev_info *md, int format, struct uio *buf, int offs, int count, int pmgr_flag) -{ - struct sysex_info sysex; - synthdev_info *sd; - int unit, i, eox_seen, first_byte, left, src_offs, hdr_size, lenw; - u_char c[count]; - - unit = md->unit; - sd = &md->synth; - - eox_seen = 0; - first_byte = 1; - hdr_size = offsetof(struct sysex_info, data); - - if (synth_leavesysex(md) == EAGAIN) - return (EAGAIN); - - if (synth_prefixcmd(md, 0xf0)) - return (0); - if (format != SYSEX_PATCH) { - printf("synth_loadpatch: patch format 0x%x is invalid.\n", format); - return (EINVAL); - } - if (count < hdr_size) { - printf("synth_loadpatch: patch header is too short.\n"); - return (EINVAL); - } - count -= hdr_size; - - /* Copy the patch data. */ - if (uiomove((caddr_t)&((char *)&sysex)[offs], hdr_size - offs, buf)) - printf("synth_loadpatch: memory mangled?\n"); - - if (count < sysex.len) { - sysex.len = (long)count; - printf("synth_loadpatch: sysex record of %d bytes is too long, adjusted to %d bytes.\n", (int)sysex.len, count); - } - left = sysex.len; - src_offs = 0; - - for (i = 0 ; i < left ; i++) { - uiomove((caddr_t)&c[i], 1, buf); - eox_seen = i > 0 && (c[i] & 0x80) != 0; - if (eox_seen && c[i] != 0xf7) - c[i] = 0xf7; - if (i == 0 && c[i] != 0x80) { - printf("synth_loadpatch: sysex does not begin with the status.\n"); - return (EINVAL); - } - if (!first_byte && (c[i] & 0x80) != 0) { - md->synth.writeraw(md, c, i + 1, &lenw, 0); - return (0); - } - first_byte = 0; - } - - if (!eox_seen) { - c[0] = 0xf7; - md->synth.writeraw(md, c, 1, &lenw, 0); - } - - return (0); -} - -static int -synth_panning(mididev_info *md, int chn, int pan) -{ - /* NOP. */ - return (0); -} - -static int -synth_aftertouch(mididev_info *md, int chn, int press) -{ - int unit, lenw; - synthdev_info *sd; - u_char c[2]; - - unit = md->unit; - sd = &md->synth; - - if (press < 0 || press > 127 || chn < 0 || chn > 15) - return (EINVAL); - if (synth_leavesysex(md) == EAGAIN) - return (EAGAIN); - - c[0] = 0xd0 | (chn & 0x0f); /* Channel Pressure. */ - c[1] = (u_char)press; - if (synth_prefixcmd(md, c[0])) - return (0); - - return (md->synth.writeraw(md, c, 2, &lenw, 1)); -} - -static int -synth_controller(mididev_info *md, int chn, int ctrlnum, int val) -{ - int unit, lenw; - synthdev_info *sd; - u_char c[3]; - - unit = md->unit; - sd = &md->synth; - - if (ctrlnum < 1 || ctrlnum > 127 || chn < 0 || chn > 15) - return (EINVAL); - if (synth_leavesysex(md) == EAGAIN) - return (EAGAIN); - - c[0] = 0xb0 | (chn & 0x0f); /* Control Message. */ - c[1] = (u_char)ctrlnum; - if (synth_prefixcmd(md, c[0])) - return (0); - - return (md->synth.writeraw(md, c, 3, &lenw, 1)); -} - -static int -synth_patchmgr(mididev_info *md, struct patmgr_info *rec) -{ - return (EINVAL); -} - -static int -synth_bender(mididev_info *md, int chn, int val) -{ - int unit, lenw; - synthdev_info *sd; - u_char c[3]; - - unit = md->unit; - sd = &md->synth; - - if (val < 0 || val > 16383 || chn < 0 || chn > 15) - return (EINVAL); - if (synth_leavesysex(md) == EAGAIN) - return (EAGAIN); - - c[0] = 0xe0 | (chn & 0x0f); /* Pitch bend. */ - c[1] = (u_char)val & 0x7f; - c[2] = (u_char)(val >> 7) & 0x7f; - if (synth_prefixcmd(md, c[0])) - return (0); - - return (md->synth.writeraw(md, c, 3, &lenw, 1)); -} - -static int -synth_allocvoice(mididev_info *md, int chn, int note, struct voice_alloc_info *alloc) -{ - /* NOP. */ - return (0); -} - -static int -synth_setupvoice(mididev_info *md, int voice, int chn) -{ - /* NOP. */ - return (0); -} - -static int -synth_sendsysex(mididev_info *md, u_char *sysex, int len) -{ - int unit, i, lenw; - synthdev_info *sd; - u_char c[len]; - - unit = md->unit; - sd = &md->synth; - - mtx_lock(&sd->status_mtx); - for (i = 0 ; i < len ; i++) { - switch (sysex[i]) { - case 0xf0: - /* Sysex begins. */ - if (synth_prefixcmd(md, 0xf0)) { - mtx_unlock(&sd->status_mtx); - return (0); - } - sd->sysex_state = 1; - break; - case 0xf7: - /* Sysex ends. */ - if (!sd->sysex_state) { - mtx_unlock(&sd->status_mtx); - return (0); - } - sd->sysex_state = 0; - break; - default: - if (!sd->sysex_state) { - mtx_unlock(&sd->status_mtx); - return (0); - } - if ((sysex[i] & 0x80) != 0) { - /* A status in a sysex? */ - sysex[i] = 0xf7; - sd->sysex_state = 0; - } - break; - } - c[i] = sysex[i]; - if (!sd->sysex_state) - break; - } - mtx_unlock(&sd->status_mtx); - - return (md->synth.writeraw(md, c, i, &lenw, 1)); -} - -static int -synth_prefixcmd(mididev_info *md, int status) -{ - /* NOP. */ - return (0); -} - -static int -synth_volumemethod(mididev_info *md, int mode) -{ - /* NOP. */ - return (0); -} - -static int -synth_readraw(mididev_info *md, u_char *buf, int len, int *lenr, int nonblock) -{ - int unit, ret; - - if (md == NULL) - return (ENXIO); - if (lenr == NULL) - return (EINVAL); - - *lenr = 0; - unit = md->unit; - - if ((md->fflags & FREAD) == 0) { - MIDI_DEBUG(printf("synth_readraw: unit %d is not for reading.\n", unit)); - return (EIO); - } - - mtx_lock(&md->flagqueue_mtx); - - /* Begin recording. */ - if ((md->flags & MIDI_F_READING) == 0) - md->callback(md, MIDI_CB_START | MIDI_CB_RD); - - if (nonblock) { - /* Have we got enough data to read? */ - if (md->midi_dbuf_in.rl < len) { - mtx_unlock(&md->flagqueue_mtx); - return (EAGAIN); - } - } - - ret = midibuf_seqread(&md->midi_dbuf_in, buf, len, lenr, - md->callback, md, MIDI_CB_START | MIDI_CB_RD, - &md->flagqueue_mtx); - - mtx_unlock(&md->flagqueue_mtx); - - return (ret); -} - -static int -synth_writeraw(mididev_info *md, u_char *buf, int len, int *lenw, int nonblock) -{ - int unit, ret; - - if (md == NULL) - return (ENXIO); - if (lenw == NULL) - return (EINVAL); - - *lenw = 0; - unit = md->unit; - - if ((md->fflags & FWRITE) == 0) { - MIDI_DEBUG(printf("synth_writeraw: unit %d is not for writing.\n", unit)); - return (EIO); - } - - /* For nonblocking, have we got enough space to write? */ - mtx_lock(&md->flagqueue_mtx); - if (nonblock && md->midi_dbuf_out.fl < len) { - /* Begin playing. */ - md->callback(md, MIDI_CB_START | MIDI_CB_WR); - mtx_unlock(&md->flagqueue_mtx); - return (EAGAIN); - } - - ret = midibuf_seqwrite(&md->midi_dbuf_out, buf, len, lenw, - md->callback, md, MIDI_CB_START | MIDI_CB_WR, - &md->flagqueue_mtx); - - if (ret == 0) - /* Begin playing. */ - md->callback(md, MIDI_CB_START | MIDI_CB_WR); - - mtx_unlock(&md->flagqueue_mtx); - - return (ret); -} - -/* - * The functions below here are the libraries for the above ones. - */ - -static int -synth_leavesysex(mididev_info *md) -{ - int unit, lenw; - synthdev_info *sd; - u_char c; - - unit = md->unit; - sd = &md->synth; - - mtx_lock(&sd->status_mtx); - if (!sd->sysex_state) { - mtx_unlock(&sd->status_mtx); - return (0); - } - - sd->sysex_state = 0; - mtx_unlock(&sd->status_mtx); - c = 0xf7; - - return (md->synth.writeraw(md, &c, sizeof(c), &lenw, 1)); -} diff --git a/sys/dev/sound/midi/midisynth.h b/sys/dev/sound/midi/midisynth.h deleted file mode 100644 index 356be89..0000000 --- a/sys/dev/sound/midi/midisynth.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * include file for midi synthesizer interface. - * - * Copyright by Seigo Tanimura 1999. - * - * 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. - * - * $FreeBSD$ - * - */ - -#define SYNTH_MAX_VOICES 32 - -/* This is the voice allocation state for a synthesizer. */ -struct voice_alloc_info { - int max_voice; - int used_voices; - int ptr; /* For device specific use */ - u_short map[SYNTH_MAX_VOICES]; /* (ch << 8) | (note+1) */ - int timestamp; - int alloc_times[SYNTH_MAX_VOICES]; -}; - -/* This is the channel information for a synthesizer. */ -struct channel_info { - int pgm_num; - int bender_value; - u_char controllers[128]; -}; - -/* These are the function types for a midi synthesizer interface. */ -typedef int (mdsy_killnote_t)(mididev_info *md, int chn, int note, int vel); -typedef int (mdsy_setinstr_t)(mididev_info *md, int chn, int instr); -typedef int (mdsy_startnote_t)(mididev_info *md, int chn, int note, int vel); -typedef int (mdsy_reset_t)(mididev_info *md); -typedef int (mdsy_hwcontrol_t)(mididev_info *md, u_char *event); -typedef int (mdsy_loadpatch_t)(mididev_info *md, int format, struct uio *buf, int offs, int count, int pmgr_flag); -typedef int (mdsy_panning_t)(mididev_info *md, int chn, int pan); -typedef int (mdsy_aftertouch_t)(mididev_info *md, int chn, int press); -typedef int (mdsy_controller_t)(mididev_info *md, int chn, int ctrlnum, int val); -typedef int (mdsy_patchmgr_t)(mididev_info *md, struct patmgr_info *rec); -typedef int (mdsy_bender_t)(mididev_info *md, int chn, int val); -typedef int (mdsy_allocvoice_t)(mididev_info *md, int chn, int note, struct voice_alloc_info *alloc); -typedef int (mdsy_setupvoice_t)(mididev_info *md, int voice, int chn); -typedef int (mdsy_sendsysex_t)(mididev_info *md, u_char *sysex, int len); -typedef int (mdsy_prefixcmd_t)(mididev_info *md, int status); -typedef int (mdsy_volumemethod_t)(mididev_info *md, int mode); -typedef int (mdsy_readraw_t)(mididev_info *md, u_char *buf, int len, int *lenr, int nonblock); -typedef int (mdsy_writeraw_t)(mididev_info *md, u_char *buf, int len, int *lenw, int nonblock); - -/* - * The order of mutex lock (from the first to the last) - * - * 1. sequencer flags, queues, timer and devlice list - * 2. midi synth voice and channel - * 3. midi synth status - * 4. generic midi flags and queues - * 5. midi device - */ - -/* This is a midi synthesizer interface and state. */ -struct _synthdev_info { - mdsy_killnote_t *killnote; - mdsy_setinstr_t *setinstr; - mdsy_startnote_t *startnote; - mdsy_reset_t *reset; - mdsy_hwcontrol_t *hwcontrol; - mdsy_loadpatch_t *loadpatch; - mdsy_panning_t *panning; - mdsy_aftertouch_t *aftertouch; - mdsy_controller_t *controller; - mdsy_patchmgr_t *patchmgr; - mdsy_bender_t *bender; - mdsy_allocvoice_t *allocvoice; - mdsy_setupvoice_t *setupvoice; - mdsy_sendsysex_t *sendsysex; - mdsy_prefixcmd_t *prefixcmd; - mdsy_volumemethod_t *volumemethod; - mdsy_readraw_t *readraw; - mdsy_writeraw_t *writeraw; - - /* Voice and channel */ - struct mtx vc_mtx; /* Mutex to protect voice and channel. */ - struct voice_alloc_info alloc; /* Voice allocation. */ - struct channel_info chn_info[16]; /* Channel information. */ - - /* Status */ - struct mtx status_mtx; /* Mutex to protect status. */ - int sysex_state; /* State of sysex transmission. */ -}; -typedef struct _synthdev_info synthdev_info; diff --git a/sys/dev/sound/midi/miditypes.h b/sys/dev/sound/midi/miditypes.h deleted file mode 100644 index 0657342..0000000 --- a/sys/dev/sound/midi/miditypes.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Include file for type definitions in midi driver. - * - * Copyright by Seigo Tanimura 1999. - * - * 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. - * - * $FreeBSD$ - * - */ - -typedef struct _mididev_info mididev_info; - -typedef int (midi_callback_t)(void *d, int reason); -typedef void (midi_intr_t)(void *p, mididev_info *md); diff --git a/sys/dev/sound/midi/sequencer.c b/sys/dev/sound/midi/sequencer.c deleted file mode 100644 index bea4936..0000000 --- a/sys/dev/sound/midi/sequencer.c +++ /dev/null @@ -1,2603 +0,0 @@ -/* - * The sequencer personality manager. - * - * Copyright by Hannu Savolainen 1993 - * - * 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. - * - * $FreeBSD$ - * - */ - -/* - * This is the newmidi sequencer driver. This driver handles io against - * /dev/sequencer, midi input and output event queues and event transmittion - * to and from a midi device or synthesizer. - */ - -#include <dev/sound/midi/midi.h> -#include <dev/sound/midi/sequencer.h> - -#define SND_DEV_SEQ 1 /* Sequencer output /dev/sequencer (FM - synthesizer and MIDI output) */ -#define SND_DEV_MIDIN 2 /* Raw midi access */ -#define SND_DEV_MUSIC 8 /* /dev/music, level 2 interface */ - -#define MIDIDEV_MODE 0x2000 - -/* Length of a sequencer event. */ -#define EV_SZ 8 -#define IEV_SZ 8 - -/* Lookup modes */ -#define LOOKUP_EXIST (0) -#define LOOKUP_OPEN (1) -#define LOOKUP_CLOSE (2) - -/* - * These functions goes into seq_op_desc to get called - * from sound.c. - */ - -static midi_intr_t seq_intr; -static midi_callback_t seq_callback; - -/* These are the entries to the sequencer driver. */ -static d_open_t seq_open; -static d_close_t seq_close; -static d_ioctl_t seq_ioctl; -static d_read_t seq_read; -static d_write_t seq_write; -static d_poll_t seq_poll; - -/* - * This is the device descriptor for the midi sequencer. - */ -seqdev_info seq_op_desc = { - "midi sequencer", - - 0, - - seq_open, - seq_close, - seq_read, - seq_write, - seq_ioctl, - seq_poll, - - seq_callback, - - SEQ_BUFFSIZE, /* Queue Length */ - - 0, /* XXX This is not an *audio* device! */ -}; - - -/* Here is the parameter structure per a device. */ -struct seq_softc { - seqdev_info *devinfo; /* sequencer device information */ - - /* Flags (protected by flag_mtx of mididev_info) */ - int fflags; /* Access mode */ - int queueout_pending; /* Pending for the output queue */ - int seq_mode; /* Sequencer mode */ - - /* Timer counters */ - u_long seq_time; /* The beggining time of this sequence */ - u_long prev_event_time; /* The time of the previous event output */ - u_long prev_input_time; /* The time of the previous event input */ - u_long prev_wakeup_time; /* The time of the previous wakeup */ - struct callout timeout_ch; /* Timer callout handler */ - long timer_current; /* Current timer value */ - int timer_running; /* State of timer */ - int pending_timer; /* Timer change operation */ - int pre_event_timeout; /* Time to wait event input */ - - /* Devices */ - TAILQ_HEAD(,_mididev_info) midi_open; /* Midi devices opened by this sequencer. */ - timerdev_info *timer; /* A timer device for /dev/music */ - - /* - * XXX not sure to which category these belong. - * (and some might be no-op) - */ - int output_threshould; /* Sequence output threshould */ - snd_sync_parm sync_parm; /* AIOSYNC parameter set */ - struct thread *sync_thread; /* AIOSYNCing thread */ -}; - -typedef struct seq_softc *sc_p; - -static d_open_t seqopen; -static d_close_t seqclose; -static d_ioctl_t seqioctl; -static d_read_t seqread; -static d_write_t seqwrite; -static d_poll_t seqpoll; - -#define CDEV_MAJOR SEQ_CDEV_MAJOR -static struct cdevsw seq_cdevsw = { - .d_version = D_VERSION, - .d_flags = D_NEEDGIANT, - .d_open = seqopen, - .d_close = seqclose, - .d_read = seqread, - .d_write = seqwrite, - .d_ioctl = seqioctl, - .d_poll = seqpoll, - .d_name = "midi", /* XXX */ - .d_maj = CDEV_MAJOR, -}; - - -static TAILQ_HEAD(,_seqdev_info) seq_info; -/* Mutex to protect seq_info and nseq. */ -static struct mtx seqinfo_mtx; -/* total number of sequencers */ -static u_long nseq; -static dev_t seq_alias = NODEV; -static dev_t music_alias = NODEV; - -SYSCTL_NODE(_hw_midi, OID_AUTO, seq, CTLFLAG_RD, 0, "Midi sequencer"); - -int seq_debug; -SYSCTL_INT(_hw_midi_seq, OID_AUTO, debug, CTLFLAG_RW, &seq_debug, 0, ""); - -static midi_cmdtab cmdtab_seqevent[] = { - {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}, -}; - -midi_cmdtab cmdtab_seqioctl[] = { - {SNDCTL_SEQ_RESET, "SNDCTL_SEQ_RESET"}, - {SNDCTL_SEQ_SYNC, "SNDCTL_SEQ_SYNC"}, - {SNDCTL_SYNTH_INFO, "SNDCTL_SYNTH_INFO"}, - {SNDCTL_SEQ_CTRLRATE, "SNDCTL_SEQ_CTRLRATE"}, - {SNDCTL_SEQ_GETOUTCOUNT, "SNDCTL_SEQ_GETOUTCOUNT"}, - {SNDCTL_SEQ_GETINCOUNT, "SNDCTL_SEQ_GETINCOUNT"}, - {SNDCTL_SEQ_PERCMODE, "SNDCTL_SEQ_PERCMODE"}, - {SNDCTL_FM_LOAD_INSTR, "SNDCTL_FM_LOAD_INSTR"}, - {SNDCTL_SEQ_TESTMIDI, "SNDCTL_SEQ_TESTMIDI"}, - {SNDCTL_SEQ_RESETSAMPLES, "SNDCTL_SEQ_RESETSAMPLES"}, - {SNDCTL_SEQ_NRSYNTHS, "SNDCTL_SEQ_NRSYNTHS"}, - {SNDCTL_SEQ_NRMIDIS, "SNDCTL_SEQ_NRMIDIS"}, - {SNDCTL_MIDI_INFO, "SNDCTL_MIDI_INFO"}, - {SNDCTL_SEQ_THRESHOLD, "SNDCTL_SEQ_THRESHOLD"}, - {SNDCTL_SYNTH_MEMAVL, "SNDCTL_SYNTH_MEMAVL"}, - {SNDCTL_FM_4OP_ENABLE, "SNDCTL_FM_4OP_ENABLE"}, - {SNDCTL_PMGR_ACCESS, "SNDCTL_PMGR_ACCESS"}, - {SNDCTL_SEQ_PANIC, "SNDCTL_SEQ_PANIC"}, - {SNDCTL_SEQ_OUTOFBAND, "SNDCTL_SEQ_OUTOFBAND"}, - {SNDCTL_TMR_TIMEBASE, "SNDCTL_TMR_TIMEBASE"}, - {SNDCTL_TMR_START, "SNDCTL_TMR_START"}, - {SNDCTL_TMR_STOP, "SNDCTL_TMR_STOP"}, - {SNDCTL_TMR_CONTINUE, "SNDCTL_TMR_CONTINUE"}, - {SNDCTL_TMR_TEMPO, "SNDCTL_TMR_TEMPO"}, - {SNDCTL_TMR_SOURCE, "SNDCTL_TMR_SOURCE"}, - {SNDCTL_TMR_METRONOME, "SNDCTL_TMR_METRONOME"}, - {SNDCTL_TMR_SELECT, "SNDCTL_TMR_SELECT"}, - {SNDCTL_MIDI_PRETIME, "SNDCTL_MIDI_PRETIME"}, - {AIONWRITE, "AIONWRITE"}, - {AIOGSIZE, "AIOGSIZE"}, - {AIOSSIZE, "AIOSSIZE"}, - {AIOGFMT, "AIOGFMT"}, - {AIOSFMT, "AIOSFMT"}, - {AIOGMIX, "AIOGMIX"}, - {AIOSMIX, "AIOSMIX"}, - {AIOSTOP, "AIOSTOP"}, - {AIOSYNC, "AIOSYNC"}, - {AIOGCAP, "AIOGCAP"}, - {-1, NULL}, -}; - -midi_cmdtab cmdtab_timer[] = { - {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}, -}; - -static midi_cmdtab cmdtab_seqcv[] = { - {MIDI_NOTEOFF, "MIDI_NOTEOFF"}, - {MIDI_NOTEON, "MIDI_NOTEON"}, - {MIDI_KEY_PRESSURE, "MIDI_KEY_PRESSURE"}, - {-1, NULL}, -}; - -static midi_cmdtab cmdtab_seqccmn[] = { - {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}, -}; - - -/* The followings are the local function. */ -static int seq_init(void); -static int seq_initunit(int unit); -static int seq_queue(sc_p scp, u_char *note); -static void seq_startplay(sc_p scp); -static int seq_playevent(sc_p scp, u_char *event); -static u_long seq_gettime(void); -static int seq_requesttimer(sc_p scp, int delay); -static void seq_stoptimer(sc_p scp); -static void seq_midiinput(sc_p scp, mididev_info *md); -static int seq_extended(sc_p scp, u_char *event); -static int seq_chnvoice(sc_p scp, u_char *event); -static int seq_findvoice(mididev_info *md, int chn, int note) __unused; -static int seq_allocvoice(sc_p scp, mididev_info *md, int chn, int note) __unused; -static int seq_chncommon(sc_p scp, u_char *event); -static int seq_timing(sc_p scp, u_char *event); -static int seq_local(sc_p scp, u_char *event); -static int seq_sysex(sc_p scp, u_char *event); -static int seq_reset(sc_p scp); -static int seq_openmidi(sc_p scp, mididev_info *md, int flags, int mode, struct thread *p); -static int seq_closemidi(sc_p scp, mididev_info *md, int flags, int mode, struct thread *p); -static void seq_panic(sc_p scp); -static int seq_sync(sc_p scp); - -static seqdev_info *get_seqdev_info(dev_t i_dev, int *unit); -static seqdev_info *get_seqdev_info_unit(int unit); -static seqdev_info *create_seqdev_info_unit(int unit, seqdev_info *seq); -static int lookup_mididev(sc_p scp, int unit, int mode, mididev_info **mdp); -static int lookup_mididev_midi(sc_p scp, int unit, int mode, mididev_info **mdp); -static void seq_clone(void *arg, char *name, int namelen, dev_t *dev); - -/* - * Here are the main functions to interact to the user process. - * These are called from snd* functions in sys/i386/isa/snd/sound.c. - */ - -static int -seq_init(void) -{ - SEQ_DEBUG(printf("seq: initing.\n")); - - mtx_init(&seqinfo_mtx, "seqinf", NULL, MTX_DEF); - TAILQ_INIT(&seq_info); - - seq_initunit(0); - EVENTHANDLER_REGISTER(dev_clone, seq_clone, 0, 1000); - - SEQ_DEBUG(printf("seq: inited.\n")); - - return (0); -} - -static int -seq_initunit(int unit) -{ - sc_p scp; - seqdev_info *devinfo; - dev_t seqdev, musicdev; - - /* Allocate the softc. */ - scp = malloc(sizeof(*scp), M_DEVBUF, M_WAITOK | M_ZERO); - if (scp == (sc_p)NULL) { - printf("seq_initunit: unit %d, softc allocation failed.\n", unit); - return (1); - } - - /* Fill the softc and the seq_info for this unit. */ - scp->seq_time = seq_gettime(); - scp->prev_event_time = 0; - scp->prev_input_time = 0; - scp->prev_wakeup_time = scp->seq_time; -#if defined(MIDI_OUTOFGIANT) - callout_init(&scp->timeout_ch, 1); -#else - callout_init(&scp->timeout_ch, 0); -#endif /* MIDI_OUTOFGIANT */ - scp->timer_current = 0; - scp->timer_running = 0; - scp->queueout_pending = 0; - TAILQ_INIT(&scp->midi_open); - scp->pending_timer = -1; - - scp->devinfo = devinfo = create_seqdev_info_unit(unit, &seq_op_desc); - devinfo->midi_dbuf_in.unit_size = devinfo->midi_dbuf_out.unit_size = EV_SZ; - devinfo->softc = scp; - devinfo->flags = 0; - mtx_unlock(&devinfo->flagqueue_mtx); - - seqdev = make_dev(&seq_cdevsw, MIDIMKMINOR(unit, SND_DEV_SEQ), - UID_ROOT, GID_WHEEL, 0666, "sequencer%d", unit); - musicdev = make_dev(&seq_cdevsw, MIDIMKMINOR(unit, SND_DEV_MUSIC), - UID_ROOT, GID_WHEEL, 0666, "music%d", unit); - - mtx_lock(&seqinfo_mtx); - if (seq_alias != NODEV) { - destroy_dev(seq_alias); - seq_alias = NODEV; - } - seq_alias = make_dev_alias(seqdev, "sequencer"); - if (music_alias != NODEV) { - destroy_dev(music_alias); - music_alias = NODEV; - } - music_alias = make_dev_alias(musicdev, "music"); - mtx_unlock(&seqinfo_mtx); - - if (timerdev_install() != 0) - printf("seq_initunit: timerdev_install failed.\n"); - - return (0); -} - -int -seq_open(dev_t i_dev, int flags, int mode, struct thread *td) -{ - int unit; - sc_p scp; - seqdev_info *sd; - - unit = MIDIUNIT(i_dev); - - SEQ_DEBUG(printf("seq_open: unit %d, flags 0x%x.\n", unit, flags)); - - if (unit >= NSEQ_MAX) { - SEQ_DEBUG(printf("seq_open: unit %d does not exist.\n", unit)); - return (ENXIO); - } - - sd = get_seqdev_info(i_dev, &unit); - if (sd == NULL) { - SEQ_DEBUG(printf("seq_open: unit %d is not configured.\n", unit)); - return (ENXIO); - } - scp = sd->softc; - - /* Mark this device busy. */ - mtx_lock(&sd->flagqueue_mtx); - if ((sd->flags & SEQ_F_BUSY) != 0) { - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_open: unit %d is busy.\n", unit)); - return (EBUSY); - } - scp->fflags = flags; - sd->flags |= SEQ_F_BUSY; - sd->flags &= ~(SEQ_F_READING | SEQ_F_WRITING); - if ((scp->fflags & O_NONBLOCK) != 0) - sd->flags |= SEQ_F_NBIO; - scp->seq_mode = MIDIDEV(i_dev); - - /* Init the queue. */ - midibuf_clear(&sd->midi_dbuf_in); - midibuf_clear(&sd->midi_dbuf_out); - - /* Init timestamp. */ - scp->seq_time = seq_gettime(); - scp->prev_event_time = 0; - scp->prev_input_time = 0; - scp->prev_wakeup_time = scp->seq_time; - - if (scp->pending_timer != -1) { - scp->timer = get_timerdev_info_unit(scp->pending_timer); - scp->pending_timer = -1; - } - if (scp->timer == NULL) - scp->timer = get_timerdev_info(); - if (scp->timer != NULL) { - scp->timer->seq = scp; - mtx_unlock(&scp->timer->mtx); - } else if (scp->seq_mode == SND_DEV_MUSIC) { - mtx_unlock(&sd->flagqueue_mtx); - printf("seq_open: no timer available.\n"); - sd->flags &= ~SEQ_F_BUSY; - return (ENXIO); - } - - if (scp->seq_mode == SND_DEV_MUSIC) - scp->timer->open(scp->timer, flags, mode, td); - - /* Begin recording if nonblocking. */ - if ((sd->flags & (SEQ_F_READING | SEQ_F_NBIO)) == SEQ_F_NBIO && (scp->fflags & FREAD) != 0) - sd->callback(sd, SEQ_CB_START | SEQ_CB_RD); - - mtx_unlock(&sd->flagqueue_mtx); - - SEQ_DEBUG(printf("seq_open: opened, mode %d.\n", scp->seq_mode == SND_DEV_MUSIC ? 2 : 1)); - - return (0); -} - -int -seq_close(dev_t i_dev, int flags, int mode, struct thread *td) -{ - int unit; - sc_p scp; - seqdev_info *sd; - mididev_info *md; - timerdev_info *tmd; - - unit = MIDIUNIT(i_dev); - - SEQ_DEBUG(printf("seq_close: unit %d.\n", unit)); - - if (unit >= NSEQ_MAX) { - SEQ_DEBUG(printf("seq_close: unit %d does not exist.\n", unit)); - return (ENXIO); - } - - sd = get_seqdev_info(i_dev, &unit); - if (sd == NULL) { - SEQ_DEBUG(printf("seq_close: unit %d is not configured.\n", unit)); - return (ENXIO); - } - scp = sd->softc; - - mtx_lock(&sd->flagqueue_mtx); - - if (!(sd->flags & MIDI_F_NBIO)) - seq_sync(scp); - - /* Stop the timer. */ - seq_stoptimer(scp); - - /* Reset the sequencer. */ - seq_reset(scp); - seq_sync(scp); - - /* Clean up the midi device. */ - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) - lookup_mididev(scp, md->unit, LOOKUP_CLOSE, NULL); - - /* Stop playing and unmark this device busy. */ - sd->flags &= ~(SEQ_F_BUSY | SEQ_F_READING | SEQ_F_WRITING | SEQ_F_INSYNC); - - if (scp->seq_mode == SND_DEV_MUSIC) - scp->timer->close(scp->timer, flags, mode, td); - - if (scp->timer != NULL) { - tmd = scp->timer; - mtx_lock(&tmd->mtx); - scp->timer = NULL; - tmd->seq = NULL; - mtx_unlock(&tmd->mtx); - } - - mtx_unlock(&sd->flagqueue_mtx); - - SEQ_DEBUG(printf("seq_close: closed.\n")); - - return (0); -} - -int -seq_read(dev_t i_dev, struct uio *buf, int flag) -{ - int unit, ret, len, lenr; - sc_p scp; - seqdev_info *sd; - u_char *uiobuf; - - unit = MIDIUNIT(i_dev); - - SEQ_DEBUG(printf("seq_read: unit %d, resid %d.\n", unit, buf->uio_resid)); - - if (unit >= NSEQ_MAX) { - SEQ_DEBUG(printf("seq_read: unit %d does not exist.\n", unit)); - return (ENXIO); - } - - sd = get_seqdev_info(i_dev, &unit); - if (sd == NULL) { - SEQ_DEBUG(printf("seq_read: unit %d is not configured.\n", unit)); - return (ENXIO); - } - scp = sd->softc; - if ((scp->fflags & FREAD) == 0) { - SEQ_DEBUG(printf("seq_read: unit %d is not for reading.\n", unit)); - return (EIO); - } - - len = buf->uio_resid; - lenr = 0; - - uiobuf = (u_char *)malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); - if (uiobuf == NULL) - return (ENOMEM); - - mtx_lock(&sd->flagqueue_mtx); - - /* Begin recording. */ - if ((sd->flags & SEQ_F_READING) == 0) - sd->callback(sd, SEQ_CB_START | SEQ_CB_RD); - - /* Have we got the data to read? */ - if ((sd->flags & SEQ_F_NBIO) != 0 && sd->midi_dbuf_in.rl == 0) - ret = EAGAIN; - else { - if ((sd->flags & SEQ_F_NBIO) != 0 && len > sd->midi_dbuf_in.rl) - len = sd->midi_dbuf_in.rl; - ret = midibuf_seqread(&sd->midi_dbuf_in, uiobuf, len, &lenr, - sd->callback, sd, SEQ_CB_START | SEQ_CB_RD, - &sd->flagqueue_mtx); - } - - mtx_unlock(&sd->flagqueue_mtx); - - if (ret == 0 && lenr > 0) - ret = uiomove(uiobuf, lenr, buf); - - free(uiobuf, M_DEVBUF); - - SEQ_DEBUG(printf("seq_read: ret %d, resid %d.\n", ret, buf->uio_resid)); - - return (ret); -} - -int -seq_write(dev_t i_dev, struct uio *buf, int flag) -{ - u_char event[EV_SZ], ev_code; - int unit, count, countorg, midiunit, ev_size, p, ret; - sc_p scp; - seqdev_info *sd; - mididev_info *md; - - unit = MIDIUNIT(i_dev); - - SEQ_DEBUG(printf("seq_write: unit %d, resid %d.\n", unit, buf->uio_resid)); - - if (unit >= NSEQ_MAX) { - SEQ_DEBUG(printf("seq_write: unit %d does not exist.\n", unit)); - return (ENXIO); - } - - sd = get_seqdev_info(i_dev, &unit); - if (sd == NULL) { - SEQ_DEBUG(printf("seq_write: unit %d is not configured.\n", unit)); - return (ENXIO); - } - scp = sd->softc; - if ((scp->fflags & FWRITE) == 0) { - SEQ_DEBUG(printf("seq_write: unit %d is not for writing.\n", unit)); - return (EIO); - } - - p = 0; - countorg = buf->uio_resid; - count = countorg; - - /* Pick up an event. */ - while (count >= 4) { - if (uiomove((caddr_t)event, 4, buf)) - printf("seq_write: user memory mangled?\n"); - ev_code = event[0]; - SEQ_DEBUG(printf("seq_write: unit %d, event %s.\n", unit, midi_cmdname(ev_code, cmdtab_seqevent))); - - /* Have a look at the event code. */ - if (ev_code == SEQ_FULLSIZE) { - - /* A long event, these are the patches/samples for a synthesizer. */ - midiunit = *(u_short *)&event[2]; - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev(scp, midiunit, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - if (ret != 0) - return (ret); - - SEQ_DEBUG(printf("seq_write: loading a patch to the unit %d.\n", midiunit)); - - ret = md->synth.loadpatch(md, *(short *)&event[0], buf, p + 4, count, 0); - return (ret); - } - - if (ev_code >= 128) { - - /* Some sort of an extended event. The size is eight bytes. */ - if (scp->seq_mode == SND_DEV_MUSIC && ev_code == SEQ_EXTENDED) { - printf("seq_write: invalid level two event %x.\n", ev_code); - return (EINVAL); - } - ev_size = 8; - - if (count < ev_size) { - /* No more data. Start playing now. */ - mtx_lock(&sd->flagqueue_mtx); - if ((sd->flags & SEQ_F_WRITING) == 0) - sd->callback(sd, SEQ_CB_START | SEQ_CB_WR); - mtx_unlock(&sd->flagqueue_mtx); - buf->uio_resid += 4; - - return (0); - } - if (uiomove((caddr_t)&event[4], 4, buf)) - printf("seq_write: user memory mangled?\n"); - } else { - - /* Not an extended event. The size is four bytes. */ - if (scp->seq_mode == SND_DEV_MUSIC) { - printf("seq_write: four byte event in level two mode.\n"); - return (EINVAL); - } - ev_size = 4; - } - if (ev_code == SEQ_MIDIPUTC) { - /* An event passed to the midi device itself. */ - midiunit = event[2]; - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev_midi(scp, midiunit, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - if (ret != 0) - return (ret); - } - - SEQ_DEBUG(printf("seq_write: queueing event %s.\n", midi_cmdname(event[0], cmdtab_seqevent))); - /* Now we queue the event. */ - mtx_lock(&sd->flagqueue_mtx); - switch (seq_queue(scp, event)) { - case EAGAIN: - /* The queue is full. Start playing now. */ - if ((sd->flags & SEQ_F_WRITING) == 0) - sd->callback(sd, SEQ_CB_START | SEQ_CB_WR); - mtx_unlock(&sd->flagqueue_mtx); - buf->uio_resid = count; - SEQ_DEBUG(printf("seq_write: resid %d.\n", buf->uio_resid)); - if (count < countorg) - return (0); - return (EAGAIN); - case EINTR: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_write: resid %d.\n", buf->uio_resid)); - return (EINTR); - case ERESTART: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_write: resid %d.\n", buf->uio_resid)); - return (ERESTART); - } - mtx_unlock(&sd->flagqueue_mtx); - p += ev_size; - count -= ev_size; - } - - /* We have written every single data. Start playing now. */ - mtx_lock(&sd->flagqueue_mtx); - if ((sd->flags & SEQ_F_WRITING) == 0) - sd->callback(sd, SEQ_CB_START | SEQ_CB_WR); - mtx_unlock(&sd->flagqueue_mtx); - - SEQ_DEBUG(printf("seq_write: resid %d.\n", buf->uio_resid)); - - return (0); -} - -int -seq_ioctl(dev_t i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td) -{ - int unit, midiunit, ret, tmp; - sc_p scp; - seqdev_info *sd; - mididev_info *md; - struct synth_info *synthinfo; - struct midi_info *midiinfo; - struct patmgr_info *patinfo; - struct seq_event_rec *event; - struct snd_size *sndsize; - - unit = MIDIUNIT(i_dev); - - SEQ_DEBUG(printf("seq_ioctl: unit %d, cmd %s.\n", unit, midi_cmdname(cmd, cmdtab_seqioctl))); - - if (unit >= NSEQ_MAX) { - SEQ_DEBUG(printf("seq_ioctl: unit %d does not exist.\n", unit)); - return (ENXIO); - } - sd = get_seqdev_info(i_dev, &unit); - if (sd == NULL) { - SEQ_DEBUG(printf("seq_ioctl: unit %d is not configured.\n", unit)); - return (ENXIO); - } - scp = sd->softc; - - ret = 0; - - switch (cmd) { - - /* - * we start with the new ioctl interface. - */ - case AIONWRITE: /* how many bytes can be written ? */ - mtx_lock(&sd->flagqueue_mtx); - *(int *)arg = sd->midi_dbuf_out.fl; - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_ioctl: fl %d.\n", *(int *)arg)); - break; - - case AIOSSIZE: /* set the current blocksize */ - sndsize = (struct snd_size *)arg; - SEQ_DEBUG(printf("seq_ioctl: play %d, rec %d.\n", sndsize->play_size, sndsize->rec_size)); - mtx_lock(&sd->flagqueue_mtx); - if (sndsize->play_size <= sd->midi_dbuf_out.unit_size && sndsize->rec_size <= sd->midi_dbuf_in.unit_size) { - sd->midi_dbuf_out.blocksize = sd->midi_dbuf_out.unit_size; - sd->midi_dbuf_in.blocksize = sd->midi_dbuf_in.unit_size; - sndsize->play_size = sd->midi_dbuf_out.blocksize; - sndsize->rec_size = sd->midi_dbuf_in.blocksize; - sd->flags &= ~MIDI_F_HAS_SIZE; - mtx_unlock(&sd->flagqueue_mtx); - } - else { - if (sndsize->play_size > sd->midi_dbuf_out.bufsize / 4) - sndsize->play_size = sd->midi_dbuf_out.bufsize / 4; - if (sndsize->rec_size > sd->midi_dbuf_in.bufsize / 4) - sndsize->rec_size = sd->midi_dbuf_in.bufsize / 4; - /* Round up the size to the multiple of EV_SZ. */ - sd->midi_dbuf_out.blocksize = - ((sndsize->play_size + sd->midi_dbuf_out.unit_size - 1) - / sd->midi_dbuf_out.unit_size) * sd->midi_dbuf_out.unit_size; - sd->midi_dbuf_in.blocksize = - ((sndsize->rec_size + sd->midi_dbuf_in.unit_size - 1) - / sd->midi_dbuf_in.unit_size) * sd->midi_dbuf_in.unit_size; - sndsize->play_size = sd->midi_dbuf_out.blocksize; - sndsize->rec_size = sd->midi_dbuf_in.blocksize; - sd->flags |= MIDI_F_HAS_SIZE; - mtx_unlock(&sd->flagqueue_mtx); - } - - ret = 0; - break; - - case AIOGSIZE: /* get the current blocksize */ - sndsize = (struct snd_size *)arg; - mtx_lock(&sd->flagqueue_mtx); - sndsize->play_size = sd->midi_dbuf_out.blocksize; - sndsize->rec_size = sd->midi_dbuf_in.blocksize; - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_ioctl: play %d, rec %d.\n", sndsize->play_size, sndsize->rec_size)); - - ret = 0; - break; - - case AIOSTOP: - if (*(int *)arg == AIOSYNC_PLAY) { - - /* Stop writing. */ - mtx_lock(&sd->flagqueue_mtx); - sd->callback(sd, SEQ_CB_ABORT | SEQ_CB_WR); - mtx_unlock(&sd->flagqueue_mtx); - - /* Pass the ioctl to the midi devices. */ - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) { - if ((md->flags & MIDI_F_WRITING) != 0) - midi_ioctl(MIDIMKDEV(major(i_dev), md->unit, SND_DEV_MIDIN), cmd, (caddr_t)arg, mode, td); - } - - mtx_lock(&sd->flagqueue_mtx); - *(int *)arg = sd->midi_dbuf_out.rl; - mtx_unlock(&sd->flagqueue_mtx); - } - else if (*(int *)arg == AIOSYNC_CAPTURE) { - - /* Stop reading. */ - mtx_lock(&sd->flagqueue_mtx); - sd->callback(sd, SEQ_CB_ABORT | SEQ_CB_RD); - mtx_unlock(&sd->flagqueue_mtx); - - /* Pass the ioctl to the midi devices. */ - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) { - if ((md->flags & MIDI_F_WRITING) != 0) - midi_ioctl(MIDIMKDEV(major(i_dev), md->unit, SND_DEV_MIDIN), cmd, (caddr_t)arg, mode, td); - } - - mtx_lock(&sd->flagqueue_mtx); - *(int *)arg = sd->midi_dbuf_in.rl; - mtx_unlock(&sd->flagqueue_mtx); - } - - ret = 0; - break; - - case AIOSYNC: - mtx_lock(&sd->flagqueue_mtx); - scp->sync_parm = *(snd_sync_parm *)arg; - mtx_unlock(&sd->flagqueue_mtx); - - /* XXX Should select(2) against us watch the blocksize, or sync_parm? */ - - ret = 0; - break; - - case FIONBIO: /* set/clear non-blocking i/o */ - mtx_lock(&sd->flagqueue_mtx); - if (*(int *)arg == 0) - sd->flags &= ~SEQ_F_NBIO ; - else - sd->flags |= SEQ_F_NBIO ; - mtx_unlock(&sd->flagqueue_mtx); - MIDI_DEBUG(printf("seq_ioctl: arg %d.\n", *(int *)arg)); - break ; - - case SNDCTL_TMR_TIMEBASE: - case SNDCTL_TMR_TEMPO: - case SNDCTL_TMR_START: - case SNDCTL_TMR_STOP: - case SNDCTL_TMR_CONTINUE: - case SNDCTL_TMR_METRONOME: - case SNDCTL_TMR_SOURCE: - mtx_lock(&sd->flagqueue_mtx); - if (scp->seq_mode != SND_DEV_MUSIC) { - ret = EINVAL; - mtx_unlock(&sd->flagqueue_mtx); - break; - } - mtx_unlock(&sd->flagqueue_mtx); - /* XXX We should adopt am sx to protect scp->timer */ - ret = scp->timer->ioctl(scp->timer, cmd, arg, mode, td); - break; - case SNDCTL_TMR_SELECT: - mtx_lock(&sd->flagqueue_mtx); - if (scp->seq_mode != SND_DEV_MUSIC) { - ret = EINVAL; - mtx_unlock(&sd->flagqueue_mtx); - break; - } - mtx_unlock(&sd->flagqueue_mtx); - scp->pending_timer = *(int *)arg; - mtx_lock(&sd->flagqueue_mtx); - if (scp->pending_timer < 0) { - scp->pending_timer = -1; - ret = EINVAL; - mtx_unlock(&sd->flagqueue_mtx); - break; - } - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_ioctl: new timer %d.\n", *(int *)arg)); - ret = 0; - break; - case SNDCTL_SEQ_PANIC: - mtx_lock(&sd->flagqueue_mtx); - seq_panic(scp); - mtx_unlock(&sd->flagqueue_mtx); - ret = 0; - break; - case SNDCTL_SEQ_SYNC: - if (mode == O_RDONLY) { - ret = 0; - break; - } - mtx_lock(&scp->devinfo->flagqueue_mtx); - ret = seq_sync(scp); - mtx_unlock(&scp->devinfo->flagqueue_mtx); - break; - case SNDCTL_SEQ_RESET: - mtx_lock(&scp->devinfo->flagqueue_mtx); - seq_reset(scp); - mtx_unlock(&scp->devinfo->flagqueue_mtx); - ret = 0; - break; - case SNDCTL_SEQ_TESTMIDI: - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev_midi(scp, *(int *)arg, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - break; - case SNDCTL_SEQ_GETINCOUNT: - if (mode == O_WRONLY) - *(int *)arg = 0; - else { - mtx_lock(&sd->flagqueue_mtx); - *(int *)arg = sd->midi_dbuf_in.rl; - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_ioctl: incount %d.\n", *(int *)arg)); - } - ret = 0; - break; - case SNDCTL_SEQ_GETOUTCOUNT: - if (mode == O_RDONLY) - *(int *)arg = 0; - else { - mtx_lock(&sd->flagqueue_mtx); - *(int *)arg = sd->midi_dbuf_out.fl; - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_ioctl: outcount %d.\n", *(int *)arg)); - } - ret = 0; - break; - case SNDCTL_SEQ_CTRLRATE: - mtx_lock(&sd->flagqueue_mtx); - if (scp->seq_mode == SND_DEV_MUSIC) { - mtx_unlock(&sd->flagqueue_mtx); - ret = scp->timer->ioctl(scp->timer, cmd, arg, mode, td); - break; - } - mtx_unlock(&sd->flagqueue_mtx); - if (*(int *)arg != 0) { - ret = EINVAL; - break; - } - *(int *)arg = hz; - SEQ_DEBUG(printf("seq_ioctl: ctrlrate %d.\n", *(int *)arg)); - ret = 0; - break; - case SNDCTL_SEQ_RESETSAMPLES: - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev(scp, *(int *)arg, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - if (ret != 0) - break; - ret = midi_ioctl(MIDIMKDEV(major(i_dev), *(int *)arg, SND_DEV_MIDIN), cmd, arg, mode, td); - break; - case SNDCTL_SEQ_NRSYNTHS: - mtx_lock(&sd->flagqueue_mtx); - if (scp->seq_mode == SND_DEV_MUSIC) - *(int *)arg = mididev_synth_number() + mididev_midi_number(); - else - *(int *)arg = mididev_synth_number(); - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_ioctl: synths %d.\n", *(int *)arg)); - ret = 0; - break; - case SNDCTL_SEQ_NRMIDIS: - mtx_lock(&sd->flagqueue_mtx); - if (scp->seq_mode == SND_DEV_MUSIC) - *(int *)arg = 0; - else - *(int *)arg = mididev_midi_number(); - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_ioctl: midis %d.\n", *(int *)arg)); - ret = 0; - break; - case SNDCTL_SYNTH_MEMAVL: - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev(scp, *(int *)arg, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - if (ret != 0) - break; - ret = midi_ioctl(MIDIMKDEV(major(i_dev), *(int *)arg, SND_DEV_MIDIN), cmd, arg, mode, td); - break; - case SNDCTL_FM_4OP_ENABLE: - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev(scp, *(int *)arg, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - if (ret != 0) - break; - ret = midi_ioctl(MIDIMKDEV(major(i_dev), *(int *)arg, SND_DEV_MIDIN), cmd, arg, mode, td); - break; - case SNDCTL_SYNTH_INFO: - synthinfo = (struct synth_info *)arg; - midiunit = synthinfo->device; - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev(scp, midiunit, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - if (ret != 0) - break; - ret = midi_ioctl(MIDIMKDEV(major(i_dev), midiunit, SND_DEV_MIDIN), cmd, arg, mode, td); - break; - case SNDCTL_SEQ_OUTOFBAND: - event = (struct seq_event_rec *)arg; - mtx_lock(&sd->flagqueue_mtx); - ret = seq_playevent(scp, event->arr); - mtx_unlock(&sd->flagqueue_mtx); - break; - case SNDCTL_MIDI_INFO: - midiinfo = (struct midi_info *)arg; - midiunit = midiinfo->device; - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev_midi(scp, midiunit, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - if (ret != 0) - break; - ret = midi_ioctl(MIDIMKDEV(major(i_dev), midiunit, SND_DEV_MIDIN), cmd, arg, mode, td); - break; - case SNDCTL_PMGR_IFACE: - patinfo = (struct patmgr_info *)arg; - midiunit = patinfo->device; - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev(scp, midiunit, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - if (ret != 0) - break; - ret = midi_ioctl(MIDIMKDEV(major(i_dev), midiunit, SND_DEV_MIDIN), cmd, arg, mode, td); - break; - case SNDCTL_PMGR_ACCESS: - patinfo = (struct patmgr_info *)arg; - midiunit = patinfo->device; - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev(scp, midiunit, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - if (ret != 0) - break; - ret = midi_ioctl(MIDIMKDEV(major(i_dev), midiunit, SND_DEV_MIDIN), cmd, arg, mode, td); - break; - case SNDCTL_SEQ_THRESHOLD: - mtx_lock(&sd->flagqueue_mtx); - RANGE(*(int *)arg, 1, sd->midi_dbuf_out.bufsize - 1); - scp->output_threshould = *(int *)arg; - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_ioctl: threshold %d.\n", *(int *)arg)); - ret = 0; - break; - case SNDCTL_MIDI_PRETIME: - tmp = *(int *)arg; - if (tmp < 0) - tmp = 0; - mtx_lock(&sd->flagqueue_mtx); - scp->pre_event_timeout = (hz * tmp) / 10; - *(int *)arg = scp->pre_event_timeout; - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_ioctl: pretime %d.\n", *(int *)arg)); - ret = 0; - break; - default: - if ((scp->fflags & O_ACCMODE) == FREAD) { - ret = EIO; - break; - } - mtx_lock(&sd->flagqueue_mtx); - ret = lookup_mididev(scp, 0, LOOKUP_OPEN, &md); - mtx_unlock(&sd->flagqueue_mtx); - if (ret != 0) - break; - ret = midi_ioctl(MIDIMKDEV(major(i_dev), 0, SND_DEV_MIDIN), cmd, arg, mode, td); - break; - } - - return (ret); -} - -int -seq_poll(dev_t i_dev, int events, struct thread *td) -{ - int unit, ret, lim; - sc_p scp; - seqdev_info *sd; - - unit = MIDIUNIT(i_dev); - - SEQ_DEBUG(printf("seq_poll: unit %d.\n", unit)); - - if (unit >= NSEQ_MAX) { - SEQ_DEBUG(printf("seq_poll: unit %d does not exist.\n", unit)); - return (ENXIO); - } - sd = get_seqdev_info(i_dev, &unit); - if (sd == NULL) { - SEQ_DEBUG(printf("seq_poll: unit %d is not configured.\n", unit)); - return (ENXIO); - } - scp = sd->softc; - - mtx_lock(&sd->flagqueue_mtx); - - ret = 0; - - /* Look up the apropriate queue and select it. */ - if ((events & (POLLOUT | POLLWRNORM)) != 0) { - /* Start playing. */ - sd->callback(sd, SEQ_CB_START | SEQ_CB_WR); - - /* Find out the boundary. */ - if ((sd->flags & SEQ_F_HAS_SIZE) != 0) - lim = sd->midi_dbuf_out.blocksize; - else - lim = sd->midi_dbuf_out.unit_size; - if (sd->midi_dbuf_out.fl < lim) - /* No enough space, record select. */ - selrecord(td, &sd->midi_dbuf_out.sel); - else - /* We can write now. */ - ret |= events & (POLLOUT | POLLWRNORM); - } - if ((events & (POLLIN | POLLRDNORM)) != 0) { - /* Start recording. */ - sd->callback(sd, SEQ_CB_START | SEQ_CB_RD); - - /* Find out the boundary. */ - if ((sd->flags & SEQ_F_HAS_SIZE) != 0) - lim = sd->midi_dbuf_in.blocksize; - else - lim = sd->midi_dbuf_in.unit_size; - if (sd->midi_dbuf_in.rl < lim) - /* No data ready, record select. */ - selrecord(td, &sd->midi_dbuf_in.sel); - else - /* We can write now. */ - ret |= events & (POLLIN | POLLRDNORM); - } - - mtx_unlock(&sd->flagqueue_mtx); - - return (ret); -} - -static void -seq_intr(void *p, mididev_info *md) -{ - sc_p scp; - seqdev_info *sd; - - sd = (seqdev_info *)p; - scp = sd->softc; - - mtx_lock(&sd->flagqueue_mtx); - - /* Restart playing if we have the data to output. */ - if (scp->queueout_pending) - sd->callback(sd, SEQ_CB_START | SEQ_CB_WR); - /* Check the midi device if we are reading. */ - if ((sd->flags & SEQ_F_READING) != 0) - seq_midiinput(scp, md); - - mtx_unlock(&sd->flagqueue_mtx); -} - -static int -seq_callback(void *d, int reason) -{ - int unit; - sc_p scp; - seqdev_info *sd; - - sd = (seqdev_info *)d; - - SEQ_DEBUG(printf("seq_callback: reason 0x%x.\n", reason)); - - if (sd == NULL) { - SEQ_DEBUG(printf("seq_callback: device not configured.\n")); - return (ENXIO); - } - scp = sd->softc; - unit = sd->unit; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - switch (reason & SEQ_CB_REASON_MASK) { - case SEQ_CB_START: - if ((reason & SEQ_CB_RD) != 0 && (sd->flags & SEQ_F_READING) == 0) - /* Begin recording. */ - sd->flags |= SEQ_F_READING; - if ((reason & SEQ_CB_WR) != 0 && (sd->flags & SEQ_F_WRITING) == 0) - /* Start playing. */ - seq_startplay(scp); - break; - case SEQ_CB_STOP: - case SEQ_CB_ABORT: - if ((reason & SEQ_CB_RD) != 0 && (sd->flags & SEQ_F_READING) != 0) { - /* Stop recording. */ - sd->flags &= ~SEQ_F_READING; - scp->seq_time = seq_gettime(); - scp->prev_input_time = 0; - } - if ((reason & SEQ_CB_WR) != 0 && (sd->flags & SEQ_F_WRITING) != 0) { - /* Stop Playing. */ - sd->flags &= ~SEQ_F_WRITING; - scp->queueout_pending = 0; - scp->seq_time = seq_gettime(); - scp->prev_input_time = 0; - - /* Stop the timer. */ - seq_stoptimer(scp); - } - } - - return (0); -} - -/* - * The functions below here are the libraries for the above ones. - */ - -static int -seq_queue(sc_p scp, u_char *note) -{ - int unit, err, lenw; - seqdev_info *sd; - - sd = scp->devinfo; - unit = sd->unit; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - SEQ_DEBUG(printf("seq_queue: unit %d.\n", unit)); - - if ((sd->flags & SEQ_F_INSYNC) != 0) - cv_wait(&sd->insync_cv, &sd->flagqueue_mtx); - - if (sd->midi_dbuf_out.fl < EV_SZ) { - /* We have no space. Start playing if not yet. */ - if ((sd->flags & SEQ_F_WRITING) == 0) - sd->callback(sd, SEQ_CB_START | SEQ_CB_WR); - if ((sd->flags & SEQ_F_NBIO) != 0 && sd->midi_dbuf_out.fl < EV_SZ) - /* We would block. */ - return (EAGAIN); - } - - /* Write to the queue. */ - err = midibuf_seqwrite(&sd->midi_dbuf_out, note, EV_SZ, &lenw, - sd->callback, sd, SEQ_CB_START | SEQ_CB_WR, - &sd->flagqueue_mtx); - - if (err == 0) { - /* Start playing if we have some data in the queue. */ - if (sd->midi_dbuf_out.rl >= EV_SZ && ((sd->flags & SEQ_F_WRITING) == 0)) - sd->callback(sd, SEQ_CB_START | SEQ_CB_WR); - } - - return (err); -} - -static void -seq_startplay(sc_p scp) -{ - int unit, lenr; - u_char event[EV_SZ]; - seqdev_info *sd; - - sd = scp->devinfo; - unit = sd->unit; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - sd->flags |= SEQ_F_WRITING; - - /* Dequeue the events to play. */ - while (sd->midi_dbuf_out.rl >= EV_SZ) { - - midibuf_seqcopy(&sd->midi_dbuf_out, event, EV_SZ, &lenr, - NULL, NULL, 0, - &sd->flagqueue_mtx); - - switch (seq_playevent(scp, event)) { - case TIMERARMED: - midibuf_seqdelete(&sd->midi_dbuf_out, EV_SZ, &lenr, - NULL, NULL, 0, - &sd->flagqueue_mtx); - return; - case QUEUEFULL: - /* We cannot play any further. */ - return; - case MORE: - midibuf_seqdelete(&sd->midi_dbuf_out, EV_SZ, &lenr, - NULL, NULL, 0, - &sd->flagqueue_mtx); - break; - } - } - - /* Played every event in the queue. */ - sd->flags &= ~SEQ_F_WRITING; -} - -static int -seq_playevent(sc_p scp, u_char *event) -{ - int unit, ret, lenw; - long *delay; - seqdev_info *sd; - mididev_info *md; - - sd = scp->devinfo; - unit = sd->unit; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - ret = lookup_mididev(scp, 0, LOOKUP_OPEN, &md); - if (ret != 0) - return (MORE); - - SEQ_DEBUG(printf("seq_playevent: unit %d, event %s.\n", sd->unit, midi_cmdname(event[0], cmdtab_seqevent))); - - switch(event[0]) { - case SEQ_NOTEOFF: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_playevent: chn %d, note %d, vel %d.\n", event[1], event[2], event[3])); - if (md->synth.killnote(md, event[1], 255, event[3]) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - ret = QUEUEFULL; - break; - } - mtx_lock(&sd->flagqueue_mtx); - ret = MORE; - break; - case SEQ_NOTEON: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_playevent: chn %d, note %d, vel %d, aux %d.\n", event[1], event[2], event[3], event[4])); - if ((event[4] < 128 || event[4] == 255) && md->synth.startnote(md, event[1], event[2], event[3]) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - ret = QUEUEFULL; - break; - } - mtx_lock(&sd->flagqueue_mtx); - ret = MORE; - break; - case SEQ_WAIT: - - /* Extract the delay. */ - delay = (long *)event; - *delay = (*delay >> 8) & 0xffffff; - SEQ_DEBUG(printf("seq_playevent: delay %ld.\n", *delay)); - if (*delay > 0) { - /* Arm the timer. */ - sd->flags |= SEQ_F_WRITING; - if (seq_requesttimer(scp, *delay)) { - ret = TIMERARMED; - break; - } - } - ret = MORE; - break; - case SEQ_PGMCHANGE: - SEQ_DEBUG(printf("seq_playevent: chn %d, instr %d.\n", event[1], event[2])); - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.setinstr(md, event[1], event[2]) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - ret = QUEUEFULL; - break; - } - mtx_lock(&sd->flagqueue_mtx); - ret = MORE; - break; - case SEQ_SYNCTIMER: - /* Reset the timer. */ - scp->seq_time = seq_gettime(); - scp->prev_input_time = 0; - scp->prev_event_time = 0; - scp->prev_wakeup_time = scp->seq_time; - ret = MORE; - break; - case SEQ_MIDIPUTC: - SEQ_DEBUG(printf("seq_playevent: data 0x%02x, unit %d.\n", event[1], event[2])); - /* Pass through to the midi device. */ - ret = lookup_mididev_midi(scp, event[2], LOOKUP_OPEN, &md); - if (ret != 0) { - ret = MORE; - break; - } - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.writeraw(md, &event[1], sizeof(event[1]), &lenw, 1) == EAGAIN) - /* The queue was full. Try again later. */ - ret = QUEUEFULL; - else - ret = MORE; - mtx_lock(&sd->flagqueue_mtx); - break; - case SEQ_ECHO: - /* Echo this event back. */ - if (seq_copytoinput(scp, event, 4) == EAGAIN) { - ret = QUEUEFULL; - break; - } - ret = MORE; - break; - case SEQ_PRIVATE: - ret = lookup_mididev(scp, event[1], LOOKUP_OPEN, &md); - if (ret != 0) { - ret = MORE; - break; - } - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.hwcontrol(md, event) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - ret = QUEUEFULL; - break; - } - mtx_lock(&sd->flagqueue_mtx); - ret = MORE; - break; - case SEQ_EXTENDED: - ret = seq_extended(scp, event); - break; - case EV_CHN_VOICE: - ret = seq_chnvoice(scp, event); - break; - case EV_CHN_COMMON: - ret = seq_chncommon(scp, event); - break; - case EV_TIMING: - ret = seq_timing(scp, event); - break; - case EV_SEQ_LOCAL: - ret = seq_local(scp, event); - break; - case EV_SYSEX: - ret = seq_sysex(scp, event); - break; - default: - ret = MORE; - break; - } - - switch (ret) { - case QUEUEFULL: - SEQ_DEBUG(printf("seq_playevent: the queue is full.\n")); - /* The queue was full. Try again on the interrupt by the midi device. */ - sd->flags |= SEQ_F_WRITING; - scp->queueout_pending = 1; - break; - case TIMERARMED: - SEQ_DEBUG(printf("seq_playevent: armed timer.\n")); - sd->flags |= SEQ_F_WRITING; - /* FALLTHRU */ - case MORE: - scp->queueout_pending = 0; - break; - } - - return (ret); -} - -static u_long -seq_gettime(void) -{ - struct timeval timecopy; - - getmicrotime(&timecopy); - return timecopy.tv_usec / (1000000 / hz) + (u_long) timecopy.tv_sec * hz; -} - -static int -seq_requesttimer(sc_p scp, int delay) -{ - u_long cur_time, rel_base; - - SEQ_DEBUG(printf("seq_requesttimer: unit %d, delay %d.\n", scp->devinfo->unit, delay)); - - mtx_assert(&scp->devinfo->flagqueue_mtx, MA_OWNED); - - cur_time = seq_gettime(); - - scp->prev_event_time = delay; - if (delay < 0) - /* Request a new timer. */ - delay = -delay; - else { - rel_base = cur_time - scp->seq_time; - if (delay <= rel_base) { - seq_stoptimer(scp); - return 0; - } - delay -= rel_base; - } - -#if notdef - /* - * Compensate the delay of midi message transmission. - * XXX Do we have to consider the accumulation of errors - * less than 1/hz second? - */ - delay -= (cur_time - scp->prev_wakeup_time); - if (delay < 1) { - printf("sequencer: prev = %lu, cur = %lu, delay = %d, skip sleeping.\n", - scp->prev_wakeup_time, cur_time, delay); - seq_stoptimer(scp); - return 0; - } -#endif /* notdef */ - - callout_reset(&scp->timeout_ch, delay, seq_timer, (void *)scp); - scp->timer_running = 1; - - return 1; -} - -static void -seq_stoptimer(sc_p scp) -{ - SEQ_DEBUG(printf("seq_stoptimer: unit %d.\n", scp->devinfo->unit)); - - mtx_assert(&scp->devinfo->flagqueue_mtx, MA_OWNED); - - if (scp->timer_running) { - callout_stop(&scp->timeout_ch); - scp->timer_running = 0; - } -} - -static void -seq_midiinput(sc_p scp, mididev_info *md) -{ - int unit, midiunit, lenr; - u_long tstamp; - u_char event[4]; - seqdev_info *sd; - - mtx_assert(&scp->devinfo->flagqueue_mtx, MA_OWNED); - - sd = scp->devinfo; - unit = sd->unit; - - /* Can this midi device interrupt for input? */ - midiunit = md->midiunit; - if (lookup_mididev_midi(scp, midiunit, LOOKUP_EXIST, NULL) != 0) - return; - - if ((md->flags & MIDI_F_READING) != 0 && md->intrarg == sd) { - /* Read the input data. */ - mtx_unlock(&scp->devinfo->flagqueue_mtx); - while (md->synth.readraw(md, &event[1], sizeof(event[1]), &lenr, 1) == 0) { - mtx_lock(&scp->devinfo->flagqueue_mtx); - tstamp = seq_gettime() - scp->seq_time; - if (tstamp != scp->prev_input_time) { - /* Insert a wait between events. */ - tstamp = (tstamp << 8) | SEQ_WAIT; - seq_copytoinput(scp, (u_char *)&tstamp, 4); - scp->prev_input_time = tstamp; - } - bzero(event, sizeof(event)); - event[0] = SEQ_MIDIPUTC; - event[2] = midiunit; - event[3] = 0; - seq_copytoinput(scp, event, sizeof(event)); - mtx_unlock(&scp->devinfo->flagqueue_mtx); - } - mtx_lock(&scp->devinfo->flagqueue_mtx); - } -} - -int -seq_copytoinput(void *arg, u_char *event, int len) -{ - int ret, leni; - sc_p scp; - seqdev_info *sd; - - scp = arg; - sd = scp->devinfo; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - if (len != 4 && len != 8) - return (EINVAL); - if (scp->seq_mode == SND_DEV_MUSIC && len != 8) - return (EINVAL); - - ret = midibuf_input_intr(&sd->midi_dbuf_in, event, len, &leni); - if (ret == EAGAIN) - ret = 0; - - return (ret); -} - -static int -seq_extended(sc_p scp, u_char *event) -{ - int unit; - seqdev_info *sd; - mididev_info *md; - - sd = scp->devinfo; - unit = sd->unit; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - if (lookup_mididev(scp, event[2], LOOKUP_OPEN, &md) != 0) - return (MORE); - - SEQ_DEBUG(printf("seq_extended: unit %d, event %s, midiunit %d.\n", unit, midi_cmdname(event[1], cmdtab_seqevent), event[2])); - - switch (event[1]) { - case SEQ_NOTEOFF: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_extended: chn %d, note %d, vel %d.\n", event[3], event[4], event[5])); - if (md->synth.killnote(md, event[3], event[4], event[5]) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - break; - case SEQ_NOTEON: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_extended: chn %d, note %d, vel %d.\n", event[3], event[4], event[5])); - if ((event[4] < 128 || event[4] == 255) && md->synth.startnote(md, event[3], event[4], event[5]) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - break; - case SEQ_PGMCHANGE: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_extended: chn %d, instr %d.\n", event[3], event[4])); - if (md->synth.setinstr(md, event[3], event[4]) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - break; - case SEQ_AFTERTOUCH: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_extended: chn %d, press %d.\n", event[3], event[4])); - if (md->synth.aftertouch(md, event[3], event[4]) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - break; - case SEQ_BALANCE: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_extended: chn %d, pan %d.\n", event[3], event[4])); - if (md->synth.panning(md, event[3], (char)event[4]) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - break; - case SEQ_CONTROLLER: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_extended: chn %d, ctrlnum %d, val %d.\n", event[3], event[4], *(short *)&event[5])); - if (md->synth.controller(md, event[3], event[4], *(short *)&event[5]) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - break; - case SEQ_VOLMODE: - mtx_unlock(&sd->flagqueue_mtx); - SEQ_DEBUG(printf("seq_extended: mode %d.\n", event[3])); - if (md->synth.volumemethod != NULL && md->synth.volumemethod(md, event[3]) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - break; - } - - return (MORE); -} - -static int -seq_chnvoice(sc_p scp, u_char *event) -{ - int voice; - seqdev_info *sd; - mididev_info *md; - u_char dev, cmd, chn, note, parm; - - voice = -1; - dev = event[1]; - cmd = event[2]; - chn = event[3]; - note = event[4]; - parm = event[5]; - - sd = scp->devinfo; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - if (lookup_mididev(scp, dev, LOOKUP_OPEN, &md) != 0) - return (MORE); - - SEQ_DEBUG(printf("seq_chnvoice: unit %d, dev %d, cmd %s, chn %d, note %d, parm %d.\n", - sd->unit, - dev, - midi_cmdname(cmd, cmdtab_seqcv), - chn, - note, - parm)); - - if (scp->seq_mode == SND_DEV_MUSIC && md->synth.allocvoice != NULL) - voice = seq_allocvoice(scp, md, chn, note); - switch (cmd) { - case MIDI_NOTEON: - if (note < 128 || note == 255) { - if (voice == -1 && scp->seq_mode == SND_DEV_MUSIC && md->synth.allocvoice) - /* This is an internal synthesizer. (FM, GUS, etc) */ - if ((voice = seq_allocvoice(scp, md, chn, note)) == EAGAIN) - return (QUEUEFULL); - if (voice == -1) - voice = chn; - - if (scp->seq_mode == SND_DEV_MUSIC && chn == 9) { - /* This channel is a percussion. The note number is the patch number. */ - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.setinstr(md, voice, 128 + note) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - - note = 60; /* Middle C. */ - } - if (scp->seq_mode == SND_DEV_MUSIC) { - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.setupvoice(md, voice, chn) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - } - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.startnote(md, voice, note, parm) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - } - break; - case MIDI_NOTEOFF: - if (voice == -1) - voice = chn; - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.killnote(md, voice, note, parm) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - break; - case MIDI_KEY_PRESSURE: - if (voice == -1) - voice = chn; - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.aftertouch(md, voice, parm) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - break; - } - - return (MORE); -} - -static int -seq_findvoice(mididev_info *md, int chn, int note) -{ - int i; - u_short key; - - key = (chn << 8) | (note + 1); - - mtx_lock(&md->synth.vc_mtx); - for (i = 0 ; i < md->synth.alloc.max_voice ; i++) - if (md->synth.alloc.map[i] == key) { - mtx_unlock(&md->synth.vc_mtx); - return (i); - } - mtx_unlock(&md->synth.vc_mtx); - - return (-1); -} - -static int -seq_allocvoice(sc_p scp, mididev_info *md, int chn, int note) -{ - int voice; - u_short key; - - mtx_assert(&scp->devinfo->flagqueue_mtx, MA_OWNED); - - key = (chn << 8) | (note + 1); - - mtx_unlock(&scp->devinfo->flagqueue_mtx); - if ((voice = md->synth.allocvoice(md, chn, note, &md->synth.alloc)) == EAGAIN) { - mtx_lock(&scp->devinfo->flagqueue_mtx); - return (EAGAIN); - } - mtx_lock(&scp->devinfo->flagqueue_mtx); - - mtx_lock(&md->synth.vc_mtx); - md->synth.alloc.map[voice] = key; - md->synth.alloc.alloc_times[voice] = md->synth.alloc.timestamp++; - mtx_unlock(&md->synth.vc_mtx); - - return (voice); -} - -static int -seq_chncommon(sc_p scp, u_char *event) -{ - int unit, i, val, key; - u_short w14; - u_char dev, cmd, chn, p1; - seqdev_info *sd; - mididev_info *md; - - dev = event[1]; - cmd = event[2]; - chn = event[3]; - p1 = event[4]; - w14 = *(u_short *)&event[6]; - - sd = scp->devinfo; - unit = sd->unit; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - if (lookup_mididev(scp, dev, LOOKUP_OPEN, &md) != 0) - return (MORE); - - SEQ_DEBUG(printf("seq_chnvoice: unit %d, dev %d, cmd %s, chn %d, p1 %d, w14 %d.\n", - sd->unit, - dev, - midi_cmdname(cmd, cmdtab_seqccmn), - chn, - p1, - w14)); - - switch (cmd) { - case MIDI_PGM_CHANGE: - if (scp->seq_mode == SND_DEV_MUSIC) { - mtx_lock(&md->synth.vc_mtx); - md->synth.chn_info[chn].pgm_num = p1; - mtx_unlock(&md->synth.vc_mtx); - mtx_unlock(&sd->flagqueue_mtx); - if (md->midiunit >= 0) { - if (md->synth.setinstr(md, chn, p1) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - } - mtx_lock(&sd->flagqueue_mtx); - } else { - /* For Mode 1. */ - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.setinstr(md, chn, p1) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - } - break; - case MIDI_CTL_CHANGE: - /* mtx_lock(&md->giant); */ - if (scp->seq_mode == SND_DEV_MUSIC) { - if (chn < 16 && p1 < 128) { - mtx_lock(&md->synth.vc_mtx); - md->synth.chn_info[chn].controllers[p1] = w14 & 0x7f; - if (p1 < 32) - /* We have set the MSB, clear the LSB. */ - md->synth.chn_info[chn].controllers[p1 + 32] = 0; - if (md->midiunit >= 0) { - val = w14 & 0x7f; - if (p1 < 64) { - /* Combine the MSB and the LSB. */ - val = ((md->synth.chn_info[chn].controllers[p1 & ~32] & 0x7f) << 7) - | (md->synth.chn_info[chn].controllers[p1 | 32] & 0x7f); - p1 &= ~32; - } - /* Handle all of the notes playing on this channel. */ - key = ((int)chn << 8); - for (i = 0 ; i < md->synth.alloc.max_voice ; i++) - if ((md->synth.alloc.map[i] & 0xff00) == key) { - mtx_unlock(&md->synth.vc_mtx); - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.controller(md, i, p1, val) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - mtx_lock(&md->synth.vc_mtx); - } - mtx_unlock(&md->synth.vc_mtx); - } else { - mtx_unlock(&md->synth.vc_mtx); - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.controller(md, chn, p1, w14) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - } - } - } else { - /* For Mode 1. */ - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.controller(md, chn, p1, w14) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - } - break; - case MIDI_PITCH_BEND: - if (scp->seq_mode == SND_DEV_MUSIC) { - mtx_lock(&md->synth.vc_mtx); - md->synth.chn_info[chn].bender_value = w14; - if (md->midiunit >= 0) { - /* Handle all of the notes playing on this channel. */ - key = ((int)chn << 8); - for (i = 0 ; i < md->synth.alloc.max_voice ; i++) - if ((md->synth.alloc.map[i] & 0xff00) == key) { - mtx_unlock(&md->synth.vc_mtx); - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.bender(md, i, w14) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - } - } else { - mtx_unlock(&md->synth.vc_mtx); - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.bender(md, chn, w14) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - } - } else { - /* For Mode 1. */ - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.bender(md, chn, w14) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - } - break; - } - - return (MORE); -} - -static int -seq_timing(sc_p scp, u_char *event) -{ - int unit, ret; - long parm; - seqdev_info *sd; - - sd = scp->devinfo; - unit = sd->unit; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - parm = *(long *)&event[4]; - - if (scp->seq_mode == SND_DEV_MUSIC) { - ret = scp->timer->event(scp->timer, event); - if (ret == TIMERARMED) - sd->flags |= SEQ_F_WRITING; - return (ret); - } - - SEQ_DEBUG(printf("seq_timing: unit %d, cmd %s, parm %lu.\n", - unit, midi_cmdname(event[1], cmdtab_timer), parm)); - - ret = MORE; - switch (event[1]) { - case TMR_WAIT_REL: - parm += scp->prev_event_time; - /* FALLTHRU */ - case TMR_WAIT_ABS: - if (parm > 0) { - sd->flags |= SEQ_F_WRITING; - if (seq_requesttimer(scp, parm)) - ret = TIMERARMED; - } - break; - case TMR_START: - scp->seq_time = seq_gettime(); - scp->prev_input_time = 0; - scp->prev_event_time = 0; - scp->prev_wakeup_time = scp->seq_time; - break; - case TMR_STOP: - break; - case TMR_CONTINUE: - break; - case TMR_TEMPO: - break; - case TMR_ECHO: - if (scp->seq_mode == SND_DEV_MUSIC) - seq_copytoinput(scp, event, 8); - else { - parm = (parm << 8 | SEQ_ECHO); - seq_copytoinput(scp, (u_char *)&parm, 4); - } - break; - } - - SEQ_DEBUG(printf("seq_timing: timer %s.\n", - ret == TIMERARMED ? "armed" : "not armed")); - - return (ret); -} - -static int -seq_local(sc_p scp, u_char *event) -{ - int unit; - seqdev_info *sd; - - sd = scp->devinfo; - unit = sd->unit; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - switch (event[1]) { - case LOCL_STARTAUDIO: -#if notyet - DMAbuf_start_devices(*(u_int *)&event[4]); -#endif /* notyet */ - break; - } - - return (MORE); -} - -static int -seq_sysex(sc_p scp, u_char *event) -{ - int unit, i, l; - seqdev_info *sd; - mididev_info *md; - - sd = scp->devinfo; - unit = sd->unit; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - if (lookup_mididev(scp, event[1], LOOKUP_OPEN, &md) != 0) - return (MORE); - - l = 0; - for (i = 0 ; i < 6 && event[i + 2] != 0xff ; i++) - l = i + 1; - if (l > 0) { - mtx_unlock(&sd->flagqueue_mtx); - if (md->synth.sendsysex(md, &event[2], l) == EAGAIN) { - mtx_lock(&sd->flagqueue_mtx); - return (QUEUEFULL); - } - mtx_lock(&sd->flagqueue_mtx); - } - - return (MORE); -} - -void -seq_timer(void *arg) -{ - sc_p scp; - seqdev_info *sd; - - scp = arg; - sd = scp->devinfo; - - SEQ_DEBUG(printf("seq_timer: unit %d, timer fired.\n", sd->unit)); - - /* Record the current timestamp. */ - mtx_lock(&sd->flagqueue_mtx); - - scp->timer_running = 0; - scp->prev_wakeup_time = seq_gettime(); - seq_startplay(scp); - - mtx_unlock(&sd->flagqueue_mtx); -} - -static int -seq_openmidi(sc_p scp, mididev_info *md, int flags, int mode, struct thread *td) -{ - int midiunit, err, insync, chn; - - mtx_assert(&scp->devinfo->flagqueue_mtx, MA_OWNED); - - midiunit = md->unit; - - SEQ_DEBUG(printf("seq_openmidi: opening midi unit %d.\n", midiunit)); - - err = midi_open(MIDIMKDEV(MIDI_CDEV_MAJOR, midiunit, SND_DEV_MIDIN), flags, mode, td); - if (err != 0) { - printf("seq_openmidi: failed to open midi device %d.\n", midiunit); - return (err); - } - mtx_lock(&md->synth.status_mtx); - mtx_lock(&md->flagqueue_mtx); - md->intr = seq_intr; - md->intrarg = scp->devinfo; - mtx_unlock(&md->flagqueue_mtx); - md->synth.sysex_state = 0; - if (scp->seq_mode == SND_DEV_MUSIC) { - for (chn = 0 ; chn < 16 ; chn++) { - md->synth.chn_info[chn].pgm_num = 0; - md->synth.reset(md); - md->synth.chn_info[chn].bender_value = (1 << 7); - } - } - mtx_unlock(&md->synth.status_mtx); - - insync = 0; - if ((scp->devinfo->flags & SEQ_F_INSYNC) != 0) { - insync = 1; - cv_wait(&scp->devinfo->insync_cv, &scp->devinfo->flagqueue_mtx); - } - - TAILQ_INSERT_TAIL(&scp->midi_open, md, md_linkseq); - - if (insync) - cv_broadcast(&scp->devinfo->insync_cv); - - return (0); -} - -static int -seq_closemidi(sc_p scp, mididev_info *md, int flags, int mode, struct thread *td) -{ - int midiunit, insync; - - mtx_assert(&scp->devinfo->flagqueue_mtx, MA_OWNED); - - if (md == NULL || !MIDICONFED(md)) { - SEQ_DEBUG(printf("seq_closemidi: midi device does not exist.\n")); - return (ENXIO); - } - midiunit = md->unit; - - SEQ_DEBUG(printf("seq_closemidi: closing midi unit %d.\n", midiunit)); - - midi_close(MIDIMKDEV(MIDI_CDEV_MAJOR, midiunit, SND_DEV_MIDIN), flags, mode, td); - mtx_lock(&md->flagqueue_mtx); - md->intr = NULL; - md->intrarg = NULL; - mtx_unlock(&md->flagqueue_mtx); - - insync = 0; - if ((scp->devinfo->flags & SEQ_F_INSYNC) != 0) { - insync = 1; - cv_wait(&scp->devinfo->insync_cv, &scp->devinfo->flagqueue_mtx); - } - - TAILQ_REMOVE(&scp->midi_open, md, md_linkseq); - - if (insync) - cv_broadcast(&scp->devinfo->insync_cv); - - return (0); -} - -static void -seq_panic(sc_p scp) -{ - mtx_assert(&scp->devinfo->flagqueue_mtx, MA_OWNED); - - seq_reset(scp); -} - -static int -seq_reset(sc_p scp) -{ - int unit, chn, lenw, ret; - seqdev_info *sd; - mididev_info *md; - u_char c[3]; - - sd = scp->devinfo; - unit = sd->unit; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - SEQ_DEBUG(printf("seq_reset: unit %d.\n", unit)); - - if ((sd->flags & SEQ_F_INSYNC) != 0) - cv_wait(&sd->insync_cv, &sd->flagqueue_mtx); - - /* Stop reading and writing. */ - sd->callback(sd, SEQ_CB_ABORT | SEQ_CB_RD | SEQ_CB_WR); - - /* Clear the queues. */ - midibuf_clear(&sd->midi_dbuf_in); - midibuf_clear(&sd->midi_dbuf_out); - - /* Reset the synthesizers. */ - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) - md->synth.reset(md); - - if (scp->seq_mode == SND_DEV_MUSIC) { - for (chn = 0 ; chn < 16 ; chn++) { - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) { - mtx_unlock(&sd->flagqueue_mtx); - ret = 0; - if (md->synth.controller(md, chn, 123, 0) == EAGAIN /* All notes off. */ - || md->synth.controller(md, chn, 121, 0) == EAGAIN /* Reset all controllers. */ - || md->synth.bender(md, chn, 1 << 13) == EAGAIN) /* Reset pitch bend. */ - ret = EAGAIN; - mtx_lock(&sd->flagqueue_mtx); - return (ret); - } - } - } else { - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) { - for (chn = 0 ; chn < 16 ; chn++) { - mtx_unlock(&sd->flagqueue_mtx); - c[0] = 0xb0 | (chn & 0x0f); - c[1] = (u_char)0x78; /* All sound off */ - c[2] = (u_char)0; - md->synth.writeraw(md, c, 3, &lenw, 0); - c[1] = (u_char)0x7b; /* All note off */ - md->synth.writeraw(md, c, 3, &lenw, 0); - c[1] = (u_char)0x79; /* Reset all controller */ - md->synth.writeraw(md, c, 3, &lenw, 0); - mtx_lock(&sd->flagqueue_mtx); - } - } - seq_sync(scp); - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) - lookup_mididev(scp, md->unit, LOOKUP_CLOSE, NULL); - } - - return (0); -} - -#define SEQ_SYNC_TIMEOUT 8 -static int -seq_sync(sc_p scp) -{ - int i, rl; - seqdev_info *sd; - mididev_info *md; - - sd = scp->devinfo; - - mtx_assert(&sd->flagqueue_mtx, MA_OWNED); - - SEQ_DEBUG(printf("seq_sync: unit %d.\n", sd->unit)); - sd->flags |= SEQ_F_INSYNC; - - while (sd->midi_dbuf_out.rl >= EV_SZ) { - if ((sd->flags & SEQ_F_WRITING) == 0) - sd->callback(sd, SEQ_CB_START | SEQ_CB_WR); - rl = sd->midi_dbuf_out.rl; - i = cv_timedwait_sig(&sd->midi_dbuf_out.cv_out, &sd->flagqueue_mtx, SEQ_SYNC_TIMEOUT * hz); - if (i == EINTR || i == ERESTART) { - if (i == EINTR) - sd->callback(sd, SEQ_CB_STOP | SEQ_CB_WR); - sd->flags &= ~SEQ_F_INSYNC; - return (i); - } - if (i == EWOULDBLOCK && rl == sd->midi_dbuf_out.rl && !scp->timer_running) { - /* A queue seems to be stuck up. Give up and clear queues. */ - sd->callback(sd, SEQ_CB_STOP | SEQ_CB_WR); - midibuf_clear(&sd->midi_dbuf_out); - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) { - mtx_lock(&md->flagqueue_mtx); - md->callback(md, MIDI_CB_ABORT | MIDI_CB_WR); - midibuf_clear(&md->midi_dbuf_out); - mtx_unlock(&md->flagqueue_mtx); - } - break; - } - } - - /* - * Since syncing a midi device might block, unlock sd->flagqueue_mtx. - * Keep sd->midi_dbuf_out from writing by setting SEQ_F_INSYNC. - * sd->insync_cv is signalled when sync is finished. - */ - mtx_unlock(&sd->flagqueue_mtx); - - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) { - mtx_lock(&md->flagqueue_mtx); - midi_sync(md); - mtx_unlock(&md->flagqueue_mtx); - } - - mtx_lock(&sd->flagqueue_mtx); - sd->flags &= ~SEQ_F_INSYNC; - cv_broadcast(&sd->insync_cv); - - return (0); -} - -/* - * a small utility function which, given a device number, returns - * a pointer to the associated seqdev_info struct, and sets the unit - * number. - */ -static seqdev_info * -get_seqdev_info(dev_t i_dev, int *unit) -{ - int u; - - if (MIDIDEV(i_dev) != SND_DEV_SEQ && MIDIDEV(i_dev) != SND_DEV_MUSIC) - return NULL; - u = MIDIUNIT(i_dev); - if (unit) - *unit = u ; - - return get_seqdev_info_unit(u); -} - -/* - * a small utility function which, given a unit number, returns - * a pointer to the associated mididev_info struct. - */ -seqdev_info * -get_seqdev_info_unit(int unit) -{ - seqdev_info *sd; - - mtx_lock(&seqinfo_mtx); - TAILQ_FOREACH(sd, &seq_info, sd_link) { - if (sd->unit == unit) - break; - } - mtx_unlock(&seqinfo_mtx); - - return sd; -} - -/* Create a new sequencer device info structure. */ -seqdev_info * -create_seqdev_info_unit(int unit, seqdev_info *seq) -{ - seqdev_info *sd, *sdnew; - - /* As malloc(9) might block, allocate seqdev_info now. */ - sdnew = malloc(sizeof(seqdev_info), M_DEVBUF, M_WAITOK | M_ZERO); - if (sdnew == NULL) - return NULL; - bcopy(seq, sdnew, sizeof(seqdev_info)); - sdnew->unit = unit; - midibuf_init(&sdnew->midi_dbuf_in); - midibuf_init(&sdnew->midi_dbuf_out); - mtx_init(&sdnew->flagqueue_mtx, "seqflq", NULL, MTX_DEF); - cv_init(&sdnew->insync_cv, "seqins"); - - mtx_lock(&seqinfo_mtx); - - TAILQ_FOREACH(sd, &seq_info, sd_link) { - if (sd->unit == unit) { - mtx_unlock(&seqinfo_mtx); - midibuf_destroy(&sdnew->midi_dbuf_in); - midibuf_destroy(&sdnew->midi_dbuf_out); - mtx_destroy(&sdnew->flagqueue_mtx); - cv_destroy(&sdnew->insync_cv); - free(sdnew, M_DEVBUF); - return sd; - } - } - - mtx_lock(&sdnew->flagqueue_mtx); - TAILQ_INSERT_TAIL(&seq_info, sdnew, sd_link); - nseq++; - - mtx_unlock(&seqinfo_mtx); - - return sdnew; -} - -/* - * Look up a midi device by its unit number opened by this sequencer. - * If the device is not opened and mode is LOOKUP_OPEN, open the device. - */ -static int -lookup_mididev(sc_p scp, int unit, int mode, mididev_info **mdp) -{ - int ret; - mididev_info *md; - - if (mdp == NULL) - mdp = &md; - - *mdp = NULL; - - mtx_assert(&scp->devinfo->flagqueue_mtx, MA_OWNED); - - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) { - if (scp->seq_mode == SND_DEV_MUSIC ? md->unit == unit : md->synthunit == unit) { - *mdp = md; - if (mode == LOOKUP_CLOSE) - return seq_closemidi(scp, md, scp->fflags, MIDIDEV_MODE, curthread); - - return (md != NULL && MIDICONFED(md)) ? 0 : ENXIO; - } - } - - if (mode == LOOKUP_OPEN) { - if (scp->seq_mode == SND_DEV_MUSIC) - md = get_mididev_info_unit(unit); - else - md = get_mididev_synth_unit(unit); - if (md != NULL) { - *mdp = md; - ret = seq_openmidi(scp, md, scp->fflags, MIDIDEV_MODE, curthread); - return ret; - } - } - - return ENXIO; -} - -/* - * Look up a midi device by its midi unit number opened by this sequencer. - * If the device is not opened and mode is LOOKUP_OPEN, open the device. - */ -static int -lookup_mididev_midi(sc_p scp, int unit, int mode, mididev_info **mdp) -{ - int ret; - mididev_info *md; - - if (mdp == NULL) - mdp = &md; - - *mdp = NULL; - - if (scp->seq_mode == SND_DEV_MUSIC) - return (ENXIO); - - mtx_assert(&scp->devinfo->flagqueue_mtx, MA_OWNED); - - TAILQ_FOREACH(md, &scp->midi_open, md_linkseq) { - if (md->midiunit == unit) { - *mdp = md; - if (mode == LOOKUP_CLOSE) - return seq_closemidi(scp, md, scp->fflags, MIDIDEV_MODE, curthread); - - return (md != NULL && MIDICONFED(md)) ? 0 : ENXIO; - } - } - - if (mode == LOOKUP_OPEN) { - md = get_mididev_midi_unit(unit); - if (md != NULL) { - *mdp = md; - ret = seq_openmidi(scp, md, scp->fflags, MIDIDEV_MODE, curthread); - return ret; - } - } - - return ENXIO; -} - -/* XXX These functions are actually redundant. */ -static int -seqopen(dev_t i_dev, int flags, int mode, struct thread *td) -{ - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_SEQ: - case MIDI_DEV_MUSIC: - return seq_open(i_dev, flags, mode, td); - } - - return (ENXIO); -} - -static int -seqclose(dev_t i_dev, int flags, int mode, struct thread *td) -{ - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_SEQ: - case MIDI_DEV_MUSIC: - return seq_close(i_dev, flags, mode, td); - } - - return (ENXIO); -} - -static int -seqread(dev_t i_dev, struct uio * buf, int flag) -{ - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_SEQ: - case MIDI_DEV_MUSIC: - return seq_read(i_dev, buf, flag); - } - - return (ENXIO); -} - -static int -seqwrite(dev_t i_dev, struct uio * buf, int flag) -{ - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_SEQ: - case MIDI_DEV_MUSIC: - return seq_write(i_dev, buf, flag); - } - - return (ENXIO); -} - -static int -seqioctl(dev_t i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td) -{ - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_SEQ: - case MIDI_DEV_MUSIC: - return seq_ioctl(i_dev, cmd, arg, mode, td); - } - - return (ENXIO); -} - -static int -seqpoll(dev_t i_dev, int events, struct thread *td) -{ - switch (MIDIDEV(i_dev)) { - case MIDI_DEV_SEQ: - case MIDI_DEV_MUSIC: - return seq_poll(i_dev, events, td); - } - - return (ENXIO); -} - -static int -seq_modevent(module_t mod, int type, void *data) -{ - int retval; - - retval = 0; - - switch (type) { - case MOD_LOAD: - seq_init(); - break; - - case MOD_UNLOAD: - printf("sequencer: unload not supported yet.\n"); - retval = EOPNOTSUPP; - break; - - default: - break; - } - - return retval; -} - -DEV_MODULE(seq, seq_modevent, NULL); - -static void -seq_clone(arg, name, namelen, dev) - void *arg; - char *name; - int namelen; - dev_t *dev; -{ - int u; - - if (*dev != NODEV) - return; - if (bcmp(name, "sequencer", 9) != 0) - return; - if (name[10] != '\0' && name[11] != '\0') - return; - u = name[9] - '0'; - if (name[10] != '\0') { - u *= 10; - u += name[10] - '0'; - } - seq_initunit(u); - *dev = MIDIMKDEV(SEQ_CDEV_MAJOR, u, MIDI_DEV_SEQ); - return; -} diff --git a/sys/dev/sound/midi/sequencer.h b/sys/dev/sound/midi/sequencer.h deleted file mode 100644 index c5db264..0000000 --- a/sys/dev/sound/midi/sequencer.h +++ /dev/null @@ -1,272 +0,0 @@ -/* - * Include file for midi sequencer driver. - * - * Copyright by Seigo Tanimura 1999. - * - * 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. - * - * $FreeBSD$ - * - */ - -/* - * first, include kernel header files. - */ - -#ifndef _SEQUENCER_H_ -#define _SEQUENCER_H_ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/ioccom.h> - -#include <sys/filio.h> -#include <sys/sockio.h> -#include <sys/fcntl.h> -#include <sys/tty.h> -#include <sys/proc.h> - -#include <sys/kernel.h> /* for DATA_SET */ - -#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/condvar.h> -#include <machine/clock.h> /* for DELAY */ -#include <sys/soundcard.h> - -#include <dev/sound/midi/timer.h> - -#define SEQ_CDEV_MAJOR MIDI_CDEV_MAJOR - -/* - * the following assumes that FreeBSD 3.X uses poll(2) instead of select(2). - * This change dates to late 1997. - */ -#include <sys/poll.h> -#define d_select_t d_poll_t - -/* Return value from seq_playevent and timer event handers. */ -enum { - MORE, - TIMERARMED, - QUEUEFULL -}; - -typedef struct _seqdev_info seqdev_info; - -/* - * The order of mutex lock (from the first to the last) - * - * 1. sequencer flags, queues, timer and device list - * 2. midi synth voice and channel - * 3. midi synth status - * 4. generic midi flags and queues - * 5. midi device - */ - -/* - * descriptor of sequencer operations ... - * - */ - -struct _seqdev_info { - - /* - * the first part of the descriptor is filled up from a - * template. - */ - char name[64]; - - int type ; - - d_open_t *open; - d_close_t *close; - d_read_t *read; - d_write_t *write; - d_ioctl_t *ioctl; - d_poll_t *poll; - midi_callback_t *callback; - - /* - * combinations of the following flags are used as second argument in - * the callback from the dma module to the device-specific routines. - */ - -#define SEQ_CB_RD 0x100 /* read callback */ -#define SEQ_CB_WR 0x200 /* write callback */ -#define SEQ_CB_REASON_MASK 0xff -#define SEQ_CB_START 0x01 /* start dma op */ -#define SEQ_CB_STOP 0x03 /* stop dma op */ -#define SEQ_CB_ABORT 0x04 /* abort dma op */ -#define SEQ_CB_INIT 0x05 /* init board parameters */ - - /* - * callback extensions - */ -#define SEQ_CB_DMADONE 0x10 -#define SEQ_CB_DMAUPDATE 0x11 -#define SEQ_CB_DMASTOP 0x12 - - /* init can only be called with int enabled and - * no pending DMA activity. - */ - - /* - * whereas from here, parameters are set at runtime. - * io_base == 0 means that the board is not configured. - */ - - int unit; /* unit number of the device */ - void *softc; /* softc for a device */ - - int bd_id ; /* used to hold board-id info, eg. sb version, - * mss codec type, etc. etc. - */ - - struct mtx flagqueue_mtx; /* Mutex to protect flags and queues */ - struct cv insync_cv; /* Conditional variable for sync */ - - /* Queues */ - midi_dbuf midi_dbuf_in; /* midi input event/message queue */ - midi_dbuf midi_dbuf_out; /* midi output event/message queue */ - - - /* - * these parameters describe the operation of the board. - * Generic things like busy flag, speed, etc are here. - */ - - /* Flags */ - volatile u_long flags ; /* 32 bits, used for various purposes. */ - - /* - * we have separate flags for read and write, although in some - * cases this is probably not necessary (e.g. because we cannot - * know how many processes are using the device, we cannot - * distinguish if open, close, abort are for a write or for a - * read). - */ - - /* - * the following flag is used by open-close routines - * to mark the status of the device. - */ -#define SEQ_F_BUSY 0x0001 /* has been opened */ - /* - * the next two are used to allow only one pending operation of - * each type. - */ -#define SEQ_F_READING 0x0004 /* have a pending read */ -#define SEQ_F_WRITING 0x0008 /* have a pending write */ - - /* - * flag used to mark a pending close. - */ -#define SEQ_F_CLOSING 0x0040 /* a pending close */ - - /* - * if user has not set block size, then make it adaptive - * (0.25s, or the perhaps last read/write ?) - */ -#define SEQ_F_HAS_SIZE 0x0080 /* user set block size */ - /* - * assorted flags related to operating mode. - */ -#define SEQ_F_STEREO 0x0100 /* doing stereo */ -#define SEQ_F_NBIO 0x0200 /* do non-blocking i/o */ - - /* - * these flags mark a pending abort on a r/w operation. - */ -#define SEQ_F_ABORTING 0x1000 /* a pending abort */ - - /* - * this is used to mark that board initialization is needed, e.g. - * because of a change in sampling rate, format, etc. -- It will - * be done at the next convenient time. - */ -#define SEQ_F_INIT 0x4000 /* changed parameters. need init */ - -#define SEQ_F_INSYNC 0x8000 /* a pending sync */ - - int play_blocksize, rec_blocksize; /* blocksize for io and dma ops */ - -#define swsel midi_dbuf_out.sel -#define srsel midi_dbuf_in.sel - u_long interrupts; /* counter of interrupts */ - u_long magic; -#define MAGIC(unit) ( 0xa4d10de0 + unit ) - void *device_data ; /* just in case it is needed...*/ - - /* The tailq entry of the next sequencer device. */ - TAILQ_ENTRY(_seqdev_info) sd_link; -}; - - -/* - * then ioctls and other stuff - */ -#define NSEQ_MAX 16 /* Number of supported devices */ - -/* - * many variables should be reduced to a range. Here define a macro - */ - -#define RANGE(var, low, high) (var) = \ -((var)<(low)?(low) : (var)>(high)?(high) : (var)) - -/* - * finally, all default parameters - */ -#define SEQ_BUFFSIZE (1024) /* XXX */ - -#define MIDI_DEV_SEQ 1 /* Sequencer output /dev/sequencer (FM - synthesizer and MIDI output) */ -#define MIDI_DEV_MUSIC 8 /* Sequencer output /dev/music (FM - synthesizer and MIDI output) */ - -#ifdef _KERNEL - -extern midi_cmdtab cmdtab_seqioctl[]; -extern midi_cmdtab cmdtab_timer[]; - -void seq_timer(void *arg); -int seq_copytoinput(void *arg, u_char *event, int len); - -SYSCTL_DECL(_hw_midi_seq); - -extern int seq_debug; -#define SEQ_DEBUG(x) \ - do { \ - if (seq_debug) { \ - (x); \ - } \ - } while(0) - -#endif /* _KERNEL */ - - -#endif /* _SEQUENCER_H_ */ diff --git a/sys/dev/sound/midi/timer.c b/sys/dev/sound/midi/timer.c deleted file mode 100644 index ba4bce0..0000000 --- a/sys/dev/sound/midi/timer.c +++ /dev/null @@ -1,564 +0,0 @@ -/* - * This is the timer engine of /dev/music for FreeBSD. - * - * (C) 2002 Seigo Tanimura - * - * 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. - * - * $FreeBSD$ - * - */ - -#include <dev/sound/midi/midi.h> -#include <dev/sound/midi/sequencer.h> - -#define TMR2TICKS(scp, tmr_val) \ - ((((tmr_val) * (scp)->tempo * (scp)->timebase) + (30 * hz)) / (60 * hz)) -#define CURTICKS(scp) \ - ((scp)->ticks_offset + (scp)->ticks_cur - (scp)->ticks_base) - -struct systmr_timer_softc { - int running; - - u_long ticks_offset; - u_long ticks_base; - u_long ticks_cur; - - int tempo; - int timebase; - - u_long nexteventtime; - u_long preveventtime; - - struct callout timer; -}; - -static timeout_t systmr_timer; -static void systmr_reset(timerdev_info *tmd); -static u_long systmr_time(void); - -static tmr_open_t systmr_open; -static tmr_close_t systmr_close; -static tmr_event_t systmr_event; -static tmr_gettime_t systmr_gettime; -static tmr_ioctl_t systmr_ioctl; -static tmr_armtimer_t systmr_armtimer; - -static timerdev_info systmr_timerdev = { - "System clock", - 0, - 0, - systmr_open, - systmr_close, - systmr_event, - systmr_gettime, - systmr_ioctl, - systmr_armtimer, -}; - -static TAILQ_HEAD(,_timerdev_info) timer_info; -static struct mtx timerinfo_mtx; -static int timerinfo_mtx_init; -static int ntimer; - - -/* Install a system timer. */ -int -timerdev_install(void) -{ - int ret; - timerdev_info *tmd; - struct systmr_timer_softc *scp; - - SEQ_DEBUG(printf("timerdev_install: install a new timer.\n")); - - ret = 0; - tmd = NULL; - scp = NULL; - - scp = malloc(sizeof(*scp), M_DEVBUF, M_WAITOK | M_ZERO); - if (scp == NULL) { - ret = ENOMEM; - goto fail; - } - - tmd = create_timerdev_info_unit(&systmr_timerdev); - if (tmd == NULL) { - ret = ENOMEM; - goto fail; - } - - tmd->softc = scp; - callout_init(&scp->timer, 0); - - mtx_unlock(&tmd->mtx); - - SEQ_DEBUG(printf("timerdev_install: installed a new timer, unit %d.\n", tmd->unit)); - - return (0); - -fail: - if (scp != NULL) - free(scp, M_DEVBUF); - if (tmd != NULL) { - TAILQ_REMOVE(&timer_info, tmd, tmd_link); - free(tmd, M_DEVBUF); - } - - SEQ_DEBUG(printf("timerdev_install: installation failed.\n")); - - return (ret); -} - -/* Create a new timer device info structure. */ -timerdev_info * -create_timerdev_info_unit(timerdev_info *tmdinf) -{ - int unit; - timerdev_info *tmd, *tmdnew; - - /* XXX */ - if (!timerinfo_mtx_init) { - timerinfo_mtx_init = 1; - mtx_init(&timerinfo_mtx, "tmrinf", NULL, MTX_DEF); - TAILQ_INIT(&timer_info); - } - - /* As malloc(9) might block, allocate timerdev_info now. */ - tmdnew = malloc(sizeof(timerdev_info), M_DEVBUF, M_WAITOK | M_ZERO); - if (tmdnew == NULL) - return NULL; - bcopy(tmdinf, tmdnew, sizeof(timerdev_info)); - mtx_init(&tmdnew->mtx, "tmrmtx", NULL, MTX_DEF); - - mtx_lock(&timerinfo_mtx); - - ntimer++; - - for (unit = 0 ; ; unit++) { - TAILQ_FOREACH(tmd, &timer_info, tmd_link) { - if (tmd->unit == unit) - break; - } - if (tmd == NULL) - break; - } - - tmdnew->unit = unit; - mtx_lock(&tmdnew->mtx); - tmd = TAILQ_FIRST(&timer_info); - while (tmd != NULL) { - if (tmd->prio < tmdnew->prio) - break; - tmd = TAILQ_NEXT(tmd, tmd_link); - } - if (tmd != NULL) - TAILQ_INSERT_BEFORE(tmd, tmdnew, tmd_link); - else - TAILQ_INSERT_TAIL(&timer_info, tmdnew, tmd_link); - - mtx_unlock(&timerinfo_mtx); - - return (tmdnew); -} - -/* - * a small utility function which, given a unit number, returns - * a pointer to the associated timerdev_info struct. - */ -timerdev_info * -get_timerdev_info_unit(int unit) -{ - timerdev_info *tmd; - - /* XXX */ - if (!timerinfo_mtx_init) { - timerinfo_mtx_init = 1; - mtx_init(&timerinfo_mtx, "tmrinf", NULL, MTX_DEF); - TAILQ_INIT(&timer_info); - } - - mtx_lock(&timerinfo_mtx); - TAILQ_FOREACH(tmd, &timer_info, tmd_link) { - mtx_lock(&tmd->mtx); - if (tmd->unit == unit && tmd->seq == NULL) - break; - mtx_unlock(&tmd->mtx); - } - mtx_unlock(&timerinfo_mtx); - - return tmd; -} - -/* - * a small utility function which returns a pointer - * to the best preferred timerdev_info struct with - * no sequencer. - */ -timerdev_info * -get_timerdev_info(void) -{ - timerdev_info *tmd; - - /* XXX */ - if (!timerinfo_mtx_init) { - timerinfo_mtx_init = 1; - mtx_init(&timerinfo_mtx, "tmrinf", NULL, MTX_DEF); - TAILQ_INIT(&timer_info); - } - - mtx_lock(&timerinfo_mtx); - TAILQ_FOREACH(tmd, &timer_info, tmd_link) { - mtx_lock(&tmd->mtx); - if (tmd->seq == NULL) - break; - mtx_unlock(&tmd->mtx); - } - mtx_unlock(&timerinfo_mtx); - - return tmd; -} - - -/* ARGSUSED */ -static void -systmr_timer(void *d) -{ - timerdev_info *tmd; - struct systmr_timer_softc *scp; - void *seq; - - tmd = (timerdev_info *)d; - scp = (struct systmr_timer_softc *)tmd->softc; - seq = NULL; - - mtx_lock(&tmd->mtx); - - if (tmd->opened) { - callout_reset(&scp->timer, 1, systmr_timer, tmd); - - if (scp->running) { - scp->ticks_cur = TMR2TICKS(scp, systmr_time()); - - if (CURTICKS(scp) >= scp->nexteventtime) { - SEQ_DEBUG(printf("systmr_timer: CURTICKS %lu, call the sequencer.\n", CURTICKS(scp))); - scp->nexteventtime = ULONG_MAX; - seq = tmd->seq; - } - } - } - - mtx_unlock(&tmd->mtx); - - if (seq != NULL) - seq_timer(seq); -} - -static void -systmr_reset(timerdev_info *tmd) -{ - struct systmr_timer_softc *scp; - - scp = (struct systmr_timer_softc *)tmd->softc; - - mtx_assert(&tmd->mtx, MA_OWNED); - - SEQ_DEBUG(printf("systmr_reset: unit %d.\n", tmd->unit)); - - scp->ticks_offset = 0; - scp->ticks_base = scp->ticks_cur = TMR2TICKS(scp, systmr_time()); - - scp->nexteventtime = ULONG_MAX; - scp->preveventtime = 0; -} - -static u_long -systmr_time(void) -{ - struct timeval timecopy; - - getmicrotime(&timecopy); - return timecopy.tv_usec / (1000000 / hz) + (u_long) timecopy.tv_sec * hz; -} - - -/* ARGSUSED */ -static int -systmr_open(timerdev_info *tmd, int oflags, int devtype, struct thread *td) -{ - struct systmr_timer_softc *scp; - - scp = (struct systmr_timer_softc *)tmd->softc; - - SEQ_DEBUG(printf("systmr_open: unit %d.\n", tmd->unit)); - - mtx_lock(&tmd->mtx); - - if (tmd->opened) { - mtx_unlock(&tmd->mtx); - return (EBUSY); - } - - systmr_reset(tmd); - scp->tempo = 60; - scp->timebase = hz; - tmd->opened = 1; - - callout_reset(&scp->timer, 1, systmr_timer, tmd); - - mtx_unlock(&tmd->mtx); - - return (0); -} - -static int -systmr_close(timerdev_info *tmd, int fflag, int devtype, struct thread *td) -{ - struct systmr_timer_softc *scp; - - scp = (struct systmr_timer_softc *)tmd->softc; - - SEQ_DEBUG(printf("systmr_close: unit %d.\n", tmd->unit)); - - mtx_lock(&tmd->mtx); - - tmd->opened = 0; - scp->running = 0; - - callout_stop(&scp->timer); - - mtx_unlock(&tmd->mtx); - - return (0); -} - -static int -systmr_event(timerdev_info *tmd, u_char *ev) -{ - struct systmr_timer_softc *scp; - u_char cmd; - u_long parm, t; - int ret; - void * seq; - - scp = (struct systmr_timer_softc *)tmd->softc; - cmd = ev[1]; - parm = *(int *)&ev[4]; - ret = MORE; - - SEQ_DEBUG(printf("systmr_event: unit %d, cmd %s, parm %lu.\n", - tmd->unit, midi_cmdname(cmd, cmdtab_timer), parm)); - - mtx_lock(&tmd->mtx); - - switch (cmd) { - case TMR_WAIT_REL: - parm += scp->preveventtime; - /* FALLTHRU */ - case TMR_WAIT_ABS: - if (parm > 0) { - if (parm <= CURTICKS(scp)) - break; - t = parm; - scp->nexteventtime = scp->preveventtime = t; - ret = TIMERARMED; - break; - } - break; - - case TMR_START: - systmr_reset(tmd); - scp->running = 1; - break; - - case TMR_STOP: - scp->running = 0; - break; - - case TMR_CONTINUE: - scp->running = 1; - break; - - case TMR_TEMPO: - if (parm > 0) { - RANGE(parm, 8, 360); - scp->ticks_offset += scp->ticks_cur - - scp->ticks_base; - scp->ticks_base = scp->ticks_cur; - scp->tempo = parm; - } - break; - - case TMR_ECHO: - seq = tmd->seq; - mtx_unlock(&tmd->mtx); - seq_copytoinput(seq, ev, 8); - mtx_lock(&tmd->mtx); - break; - } - - mtx_unlock(&tmd->mtx); - - SEQ_DEBUG(printf("systmr_event: timer %s.\n", - ret == TIMERARMED ? "armed" : "not armed")); - - return (ret); -} - -static int -systmr_gettime(timerdev_info *tmd, u_long *t) -{ - struct systmr_timer_softc *scp; - int ret; - - scp = (struct systmr_timer_softc *)tmd->softc; - - SEQ_DEBUG(printf("systmr_gettime: unit %d.\n", tmd->unit)); - - mtx_lock(&tmd->mtx); - - if (!tmd->opened || t == NULL) { - ret = EINVAL; - goto fail; - } - - *t = CURTICKS(scp); - SEQ_DEBUG(printf("systmr_gettime: ticks %lu.\n", *t)); - -fail: - mtx_unlock(&tmd->mtx); - - return (0); -} - -static int -systmr_ioctl(timerdev_info *tmd, u_long cmd, caddr_t data, int fflag, struct thread *td) -{ - struct systmr_timer_softc *scp; - int ret, val; - - scp = (struct systmr_timer_softc *)tmd->softc; - ret = 0; - - SEQ_DEBUG(printf("systmr_ioctl: unit %d, cmd %s.\n", - tmd->unit, midi_cmdname(cmd, cmdtab_seqioctl))); - - switch (cmd) { - case SNDCTL_TMR_SOURCE: - *(int *)data = TMR_INTERNAL; - break; - - case SNDCTL_TMR_START: - mtx_lock(&tmd->mtx); - systmr_reset(tmd); - scp->running = 1; - mtx_unlock(&tmd->mtx); - break; - - case SNDCTL_TMR_STOP: - mtx_lock(&tmd->mtx); - scp->running = 0; - mtx_unlock(&tmd->mtx); - break; - - case SNDCTL_TMR_CONTINUE: - mtx_lock(&tmd->mtx); - scp->running = 1; - mtx_unlock(&tmd->mtx); - break; - - case SNDCTL_TMR_TIMEBASE: - val = *(int *)data; - mtx_lock(&tmd->mtx); - if (val > 0) { - RANGE(val, 1, 1000); - scp->timebase = val; - } - *(int *)data = scp->timebase; - mtx_unlock(&tmd->mtx); - SEQ_DEBUG(printf("systmr_ioctl: timebase %d.\n", *(int *)data)); - break; - - case SNDCTL_TMR_TEMPO: - val = *(int *)data; - mtx_lock(&tmd->mtx); - if (val > 0) { - RANGE(val, 8, 360); - scp->ticks_offset += scp->ticks_cur - - scp->ticks_base; - scp->ticks_base = scp->ticks_cur; - scp->tempo = val; - } - *(int *)data = scp->tempo; - SEQ_DEBUG(printf("systmr_ioctl: tempo %d.\n", *(int *)data)); - mtx_unlock(&tmd->mtx); - break; - - case SNDCTL_SEQ_CTRLRATE: - val = *(int *)data; - if (val > 0) - ret = EINVAL; - else { - mtx_lock(&tmd->mtx); - *(int *)data = ((scp->tempo * scp->timebase) + 30) / 60; - mtx_unlock(&tmd->mtx); - SEQ_DEBUG(printf("systmr_ioctl: ctrlrate %d.\n", *(int *)data)); - } - break; - - case SNDCTL_TMR_METRONOME: - /* NOP. */ - break; - - case SNDCTL_TMR_SELECT: - /* NOP. */ - break; - - default: - ret = EINVAL; - } - - return (ret); -} - -static int -systmr_armtimer(timerdev_info *tmd, u_long t) -{ - struct systmr_timer_softc *scp; - - scp = (struct systmr_timer_softc *)tmd->softc; - - SEQ_DEBUG(printf("systmr_armtimer: unit %d, t %lu.\n", tmd->unit, t)); - - mtx_lock(&tmd->mtx); - - if (t < 0) - t = CURTICKS(scp) + 1; - else if (t > CURTICKS(scp)) - scp->nexteventtime = scp->preveventtime = t; - - mtx_unlock(&tmd->mtx); - - return (0); -} diff --git a/sys/dev/sound/midi/timer.h b/sys/dev/sound/midi/timer.h deleted file mode 100644 index a615ab6..0000000 --- a/sys/dev/sound/midi/timer.h +++ /dev/null @@ -1,80 +0,0 @@ -/* - * Include file for a midi timer. - * - * Copyright by Seigo Tanimura 2002. - * - * 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. - * - * $FreeBSD$ - * - */ - -#ifndef _TIMER_H_ -#define _TIMER_H_ - -typedef struct _timerdev_info timerdev_info; - -typedef int (tmr_open_t)(timerdev_info *tmd, int oflags, int devtype, struct thread *td); -typedef int (tmr_close_t)(timerdev_info *tmd, int fflag, int devtype, struct thread *td); -typedef int (tmr_event_t)(timerdev_info *tmd, u_char *ev); -typedef int (tmr_gettime_t)(timerdev_info *tmd, u_long *t); -typedef int (tmr_ioctl_t)(timerdev_info *tmd, u_long cmd, caddr_t data, int fflag, struct thread *td); -typedef int (tmr_armtimer_t)(timerdev_info *tmd, u_long t); - -struct _timerdev_info { - /* - * the first part of the descriptor is filled up from a - * template. - */ - char name[32]; - - int caps; - int prio; - - tmr_open_t *open; - tmr_close_t *close; - tmr_event_t *event; - tmr_gettime_t *gettime; - tmr_ioctl_t *ioctl; - tmr_armtimer_t *armtimer; - - - int unit; - void *softc; - void *seq; - - /* The tailq entry of the next timer device. */ - TAILQ_ENTRY(_timerdev_info) tmd_link; - - int opened; - - struct mtx mtx; -}; - -#ifdef _KERNEL -int timerdev_install(void); -timerdev_info *create_timerdev_info_unit(timerdev_info *tmdinf); -timerdev_info *get_timerdev_info_unit(int unit); -timerdev_info *get_timerdev_info(void); -#endif /* _KERNEL */ - -#endif /* _TIMER_H_ */ |
