spkr.c (338c585e38c1bb047f6febb2ce98c78e0cc02788) spkr.c (6bfa9a2d66dd0e00182017d6741d44e54d0b2cca)
1/*-
2 * spkr.c -- device driver for console speaker
3 *
4 * v1.4 by Eric S. Raymond (esr@snark.thyrsus.com) Aug 1993
5 * modified for FreeBSD by Andrew A. Chernov <ache@astral.msk.su>
6 * modified for PC98 by Kakefuda
7 */
8

--- 405 unchanged lines hidden (view full) ---

414 int flags;
415 int fmt;
416 struct thread *td;
417{
418#ifdef DEBUG
419 (void) printf("spkropen: entering with dev = %s\n", devtoname(dev));
420#endif /* DEBUG */
421
1/*-
2 * spkr.c -- device driver for console speaker
3 *
4 * v1.4 by Eric S. Raymond (esr@snark.thyrsus.com) Aug 1993
5 * modified for FreeBSD by Andrew A. Chernov <ache@astral.msk.su>
6 * modified for PC98 by Kakefuda
7 */
8

--- 405 unchanged lines hidden (view full) ---

414 int flags;
415 int fmt;
416 struct thread *td;
417{
418#ifdef DEBUG
419 (void) printf("spkropen: entering with dev = %s\n", devtoname(dev));
420#endif /* DEBUG */
421
422 if (minor(dev) != 0)
422 if (dev2unit(dev) != 0)
423 return(ENXIO);
424 else if (spkr_active)
425 return(EBUSY);
426 else {
427#ifdef DEBUG
428 (void) printf("spkropen: about to perform play initialization\n");
429#endif /* DEBUG */
430 playinit();

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439 struct cdev *dev;
440 struct uio *uio;
441 int ioflag;
442{
443#ifdef DEBUG
444 printf("spkrwrite: entering with dev = %s, count = %d\n",
445 devtoname(dev), uio->uio_resid);
446#endif /* DEBUG */
423 return(ENXIO);
424 else if (spkr_active)
425 return(EBUSY);
426 else {
427#ifdef DEBUG
428 (void) printf("spkropen: about to perform play initialization\n");
429#endif /* DEBUG */
430 playinit();

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439 struct cdev *dev;
440 struct uio *uio;
441 int ioflag;
442{
443#ifdef DEBUG
444 printf("spkrwrite: entering with dev = %s, count = %d\n",
445 devtoname(dev), uio->uio_resid);
446#endif /* DEBUG */
447 if (minor(dev) != 0)
447 if (dev2unit(dev) != 0)
448 return(ENXIO);
449 else if (uio->uio_resid > (DEV_BSIZE - 1)) /* prevent system crashes */
450 return(E2BIG);
451 else {
452 unsigned n;
453 char *cp;
454 int error;
455

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470 int flags;
471 int fmt;
472 struct thread *td;
473{
474#ifdef DEBUG
475 (void) printf("spkrclose: entering with dev = %s\n", devtoname(dev));
476#endif /* DEBUG */
477
448 return(ENXIO);
449 else if (uio->uio_resid > (DEV_BSIZE - 1)) /* prevent system crashes */
450 return(E2BIG);
451 else {
452 unsigned n;
453 char *cp;
454 int error;
455

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470 int flags;
471 int fmt;
472 struct thread *td;
473{
474#ifdef DEBUG
475 (void) printf("spkrclose: entering with dev = %s\n", devtoname(dev));
476#endif /* DEBUG */
477
478 if (minor(dev) != 0)
478 if (dev2unit(dev) != 0)
479 return(ENXIO);
480 else {
481 wakeup(&endtone);
482 wakeup(&endrest);
483 free(spkr_inbuf, M_SPKR);
484 spkr_active = FALSE;
485 return(0);
486 }

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494 int flags;
495 struct thread *td;
496{
497#ifdef DEBUG
498 (void) printf("spkrioctl: entering with dev = %s, cmd = %lx\n",
499 devtoname(dev), cmd);
500#endif /* DEBUG */
501
479 return(ENXIO);
480 else {
481 wakeup(&endtone);
482 wakeup(&endrest);
483 free(spkr_inbuf, M_SPKR);
484 spkr_active = FALSE;
485 return(0);
486 }

--- 7 unchanged lines hidden (view full) ---

494 int flags;
495 struct thread *td;
496{
497#ifdef DEBUG
498 (void) printf("spkrioctl: entering with dev = %s, cmd = %lx\n",
499 devtoname(dev), cmd);
500#endif /* DEBUG */
501
502 if (minor(dev) != 0)
502 if (dev2unit(dev) != 0)
503 return(ENXIO);
504 else if (cmd == SPKRTONE) {
505 tone_t *tp = (tone_t *)cmdarg;
506
507 if (tp->frequency == 0)
508 rest(tp->duration);
509 else
510 tone(tp->frequency, tp->duration);

--- 50 unchanged lines hidden --- 		503 return(ENXIO);
504 else if (cmd == SPKRTONE) {
505 tone_t *tp = (tone_t *)cmdarg;
506
507 if (tp->frequency == 0)
508 rest(tp->duration);
509 else
510 tone(tp->frequency, tp->duration);

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