1 /* $NetBSD: isa_machdep.c,v 1.18 2009/03/14 21:04:02 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 1.18 2009/03/14 21:04:02 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 } 107