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spkr.c (10537) spkr.c (10624)
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 *
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 *
7 * $Id: spkr.c,v 1.14 1995/05/30 08:03:09 rgrimes Exp $
7 * $Id: spkr.c,v 1.15 1995/09/03 05:43:31 julian Exp $
8 */
9
10#include "speaker.h"
11
12#if NSPEAKER > 0
13
14#include <sys/param.h>
15#include <sys/systm.h>

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446 *
447 * This section implements driver hooks to run playstring() and the tone(),
448 * endtone(), and rest() functions defined above.
449 */
450
451static int spkr_active = FALSE; /* exclusion flag */
452static struct buf *spkr_inbuf; /* incoming buf */
453
8 */
9
10#include "speaker.h"
11
12#if NSPEAKER > 0
13
14#include <sys/param.h>
15#include <sys/systm.h>

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446 *
447 * This section implements driver hooks to run playstring() and the tone(),
448 * endtone(), and rest() functions defined above.
449 */
450
451static int spkr_active = FALSE; /* exclusion flag */
452static struct buf *spkr_inbuf; /* incoming buf */
453
454int spkropen(dev)
455dev_t dev;
454int spkropen(dev, flags, fmt, p)
455dev_t dev;
456int flags;
457int fmt;
458struct proc *p;
456{
457#ifdef DEBUG
458 (void) printf("spkropen: entering with dev = %x\n", dev);
459#endif /* DEBUG */
460
461 if (minor(dev) != 0)
462 return(ENXIO);
463 else if (spkr_active)

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469#endif /* DEBUG */
470 playinit();
471 spkr_inbuf = geteblk(DEV_BSIZE);
472 spkr_active = TRUE;
473 return(0);
474 }
475}
476
459{
460#ifdef DEBUG
461 (void) printf("spkropen: entering with dev = %x\n", dev);
462#endif /* DEBUG */
463
464 if (minor(dev) != 0)
465 return(ENXIO);
466 else if (spkr_active)

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472#endif /* DEBUG */
473 playinit();
474 spkr_inbuf = geteblk(DEV_BSIZE);
475 spkr_active = TRUE;
476 return(0);
477 }
478}
479
477int spkrwrite(dev, uio)
480int spkrwrite(dev, uio, ioflag)
478dev_t dev;
479struct uio *uio;
481dev_t dev;
482struct uio *uio;
483int ioflag;
480{
481#ifdef DEBUG
482 printf("spkrwrite: entering with dev = %x, count = %d\n",
483 dev, uio->uio_resid);
484#endif /* DEBUG */
485
486 if (minor(dev) != 0)
487 return(ENXIO);

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496 n = uio->uio_resid;
497 cp = spkr_inbuf->b_un.b_addr;
498 if (!(error = uiomove(cp, n, uio)))
499 playstring(cp, n);
500 return(error);
501 }
502}
503
484{
485#ifdef DEBUG
486 printf("spkrwrite: entering with dev = %x, count = %d\n",
487 dev, uio->uio_resid);
488#endif /* DEBUG */
489
490 if (minor(dev) != 0)
491 return(ENXIO);

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500 n = uio->uio_resid;
501 cp = spkr_inbuf->b_un.b_addr;
502 if (!(error = uiomove(cp, n, uio)))
503 playstring(cp, n);
504 return(error);
505 }
506}
507
504int spkrclose(dev)
505dev_t dev;
508int spkrclose(dev, flags, fmt, p)
509dev_t dev;
510int flags;
511int fmt;
512struct proc *p;
506{
507#ifdef DEBUG
508 (void) printf("spkrclose: entering with dev = %x\n", dev);
509#endif /* DEBUG */
510
511 if (minor(dev) != 0)
512 return(ENXIO);
513 else
514 {
515 wakeup((caddr_t)&endtone);
516 wakeup((caddr_t)&endrest);
517 brelse(spkr_inbuf);
518 spkr_active = FALSE;
519 return(0);
520 }
521}
522
513{
514#ifdef DEBUG
515 (void) printf("spkrclose: entering with dev = %x\n", dev);
516#endif /* DEBUG */
517
518 if (minor(dev) != 0)
519 return(ENXIO);
520 else
521 {
522 wakeup((caddr_t)&endtone);
523 wakeup((caddr_t)&endrest);
524 brelse(spkr_inbuf);
525 spkr_active = FALSE;
526 return(0);
527 }
528}
529
523int spkrioctl(dev, cmd, cmdarg)
524dev_t dev;
525int cmd;
526caddr_t cmdarg;
530int spkrioctl(dev, cmd, cmdarg, flags, p)
531dev_t dev;
532int cmd;
533caddr_t cmdarg;
534int flags;
535struct proc *p;
527{
528#ifdef DEBUG
529 (void) printf("spkrioctl: entering with dev = %x, cmd = %x\n");
530#endif /* DEBUG */
531
532 if (minor(dev) != 0)
533 return(ENXIO);
534 else if (cmd == SPKRTONE)

--- 33 unchanged lines hidden --- 		536{
537#ifdef DEBUG
538 (void) printf("spkrioctl: entering with dev = %x, cmd = %x\n");
539#endif /* DEBUG */
540
541 if (minor(dev) != 0)
542 return(ENXIO);
543 else if (cmd == SPKRTONE)

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