1 /* $NetBSD: isa_machdep.c,v 1.22 2021/05/07 16:58:33 thorpej 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 1.22 2021/05/07 16:58:33 thorpej 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 <dev/isa/isavar.h>
46
47 #include "vga_isa.h"
48 #if NVGA_ISA
49 #include <dev/ic/mc6845reg.h>
50 #include <dev/ic/pcdisplayvar.h>
51 #include <dev/isa/vga_isavar.h>
52 #endif
53
54 #include "pcppi.h"
55 #if (NPCPPI > 0)
56 #include <dev/isa/pcppivar.h>
57
58 static int isabeepmatch(device_t, cfdata_t, void *);
59 static void isabeepattach(device_t, device_t, void *);
60
61 CFATTACH_DECL_NEW(isabeep, 0,
62 isabeepmatch, isabeepattach, NULL, NULL);
63
64 static int ppi_attached;
65 static pcppi_tag_t ppicookie;
66 #endif /* PCPPI */
67
68 int
isa_display_console(bus_space_tag_t iot,bus_space_tag_t memt)69 isa_display_console(bus_space_tag_t iot, bus_space_tag_t memt)
70 {
71 int res = ENXIO;
72 #if NVGA_ISA
73 res = vga_isa_cnattach(iot, memt);
74 if (!res)
75 return(0);
76 #endif
77 return(res);
78 }
79
80 #if (NPCPPI > 0)
81 static int
isabeepmatch(device_t parent,cfdata_t match,void * aux)82 isabeepmatch(device_t parent, cfdata_t match, void *aux)
83 {
84 return (!ppi_attached);
85 }
86
87 static void
isabeepattach(device_t parent,device_t self,void * aux)88 isabeepattach(device_t parent, device_t self, void *aux)
89 {
90 printf("\n");
91
92 ppicookie = ((struct pcppi_attach_args *)aux)->pa_cookie;
93 ppi_attached = 1;
94 }
95 #endif
96
97 void
isabeep(int pitch,int period)98 isabeep(int pitch, int period)
99 {
100 #if (NPCPPI > 0)
101 if (ppi_attached)
102 pcppi_bell(ppicookie, pitch, period, 0);
103 #endif
104 }
105