sys/arch/alpha/isa/isa_machdep.c

   1 /* $NetBSD: isa_machdep.c,v 1.17 2009/03/14 15:35:59 dsl Exp $ */
   2
   3 /*
   4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
   5  * All rights reserved.
   6  *
   7  * Author: Chris G. Demetriou
   8  *
   9  * Permission to use, copy, modify and distribute this software and
  10  * its documentation is hereby granted, provided that both the copyright
  11  * notice and this permission notice appear in all copies of the
  12  * software, derivative works or modified versions, and any portions
  13  * thereof, and that both notices appear in supporting documentation.
  14  *
  15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  18  *
  19  * Carnegie Mellon requests users of this software to return to
  20  *
  21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  22  *  School of Computer Science
  23  *  Carnegie Mellon University
  24  *  Pittsburgh PA 15213-3890
  25  *
  26  * any improvements or extensions that they make and grant Carnegie the
  27  * rights to redistribute these changes.
  28  */
  29
  30 /*
  31  * Machine-specific functions for ISA autoconfiguration.
  32  */
  33
  34 #include <sys/cdefs.h>                  /* RCS ID & Copyright macro defns */
  35
  36 __KERNEL_RCSID(0, "$NetBSD: isa_machdep.c,v 1.17 2009/03/14 15:35:59 dsl Exp $");
  37
  38 #include <sys/types.h>
  39 #include <sys/param.h>
  40 #include <sys/time.h>
  41 #include <sys/systm.h>
  42 #include <sys/errno.h>
  43 #include <sys/device.h>
  44
  45 #include <uvm/uvm_extern.h>
  46
  47 #include <dev/isa/isavar.h>
  48
  49 #include "vga_isa.h"
  50 #if NVGA_ISA
  51 #include <dev/ic/mc6845reg.h>
  52 #include <dev/ic/pcdisplayvar.h>
  53 #include <dev/isa/vga_isavar.h>
  54 #endif
  55
  56 #include "pcppi.h"
  57 #if (NPCPPI > 0)
  58 #include <dev/isa/pcppivar.h>
  59
  60 int isabeepmatch(struct device *, struct cfdata *, void *);
  61 void isabeepattach(struct device *, struct device *, void *);
  62
  63 CFATTACH_DECL(isabeep, sizeof(struct device),
  64     isabeepmatch, isabeepattach, NULL, NULL);
  65
  66 static int ppi_attached;
  67 static pcppi_tag_t ppicookie;
  68 #endif /* PCPPI */
  69
  70 int
  71 isa_display_console(bus_space_tag_t iot, bus_space_tag_t memt)
  72 {
  73         int res = ENXIO;
  74 #if NVGA_ISA
  75         res = vga_isa_cnattach(iot, memt);
  76         if (!res)
  77                 return(0);
  78 #endif
  79         return(res);
  80 }
  81
  82 #if (NPCPPI > 0)
  83 int
  84 isabeepmatch(struct device *parent, struct cfdata *match, void *aux)
  85 {
  86         return (!ppi_attached);
  87 }
  88
  89 void
  90 isabeepattach(struct device *parent, struct device *self, void *aux)
  91 {
  92         printf("\n");
  93
  94         ppicookie = ((struct pcppi_attach_args *)aux)->pa_cookie;
  95         ppi_attached = 1;
  96 }
  97 #endif
  98
  99 void
 100 isabeep(int pitch, int period)
 101 {
 102 #if (NPCPPI > 0)
 103         if (ppi_attached)
 104                 pcppi_bell(ppicookie, pitch, period, 0);
 105 #endif
 106 }