vga_ofbus.c revision 1.1.2.3
1 1.1.2.3 nathanw /* $NetBSD: vga_ofbus.c,v 1.1.2.3 2002/10/18 02:39:48 nathanw Exp $ */ 2 1.1.2.2 nathanw 3 1.1.2.2 nathanw /* 4 1.1.2.2 nathanw * Copyright (c) 1995, 1996 Carnegie-Mellon University. 5 1.1.2.2 nathanw * All rights reserved. 6 1.1.2.2 nathanw * 7 1.1.2.2 nathanw * Author: Chris G. Demetriou 8 1.1.2.2 nathanw * 9 1.1.2.2 nathanw * Permission to use, copy, modify and distribute this software and 10 1.1.2.2 nathanw * its documentation is hereby granted, provided that both the copyright 11 1.1.2.2 nathanw * notice and this permission notice appear in all copies of the 12 1.1.2.2 nathanw * software, derivative works or modified versions, and any portions 13 1.1.2.2 nathanw * thereof, and that both notices appear in supporting documentation. 14 1.1.2.2 nathanw * 15 1.1.2.2 nathanw * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 1.1.2.2 nathanw * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 1.1.2.2 nathanw * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 1.1.2.2 nathanw * 19 1.1.2.2 nathanw * Carnegie Mellon requests users of this software to return to 20 1.1.2.2 nathanw * 21 1.1.2.2 nathanw * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 22 1.1.2.2 nathanw * School of Computer Science 23 1.1.2.2 nathanw * Carnegie Mellon University 24 1.1.2.2 nathanw * Pittsburgh PA 15213-3890 25 1.1.2.2 nathanw * 26 1.1.2.2 nathanw * any improvements or extensions that they make and grant Carnegie the 27 1.1.2.2 nathanw * rights to redistribute these changes. 28 1.1.2.2 nathanw */ 29 1.1.2.2 nathanw 30 1.1.2.2 nathanw #include <sys/param.h> 31 1.1.2.2 nathanw #include <sys/systm.h> 32 1.1.2.2 nathanw #include <sys/kernel.h> 33 1.1.2.2 nathanw #include <sys/device.h> 34 1.1.2.2 nathanw #include <sys/malloc.h> 35 1.1.2.2 nathanw 36 1.1.2.2 nathanw #include <dev/isa/isavar.h> 37 1.1.2.2 nathanw 38 1.1.2.2 nathanw #include <dev/ic/mc6845reg.h> 39 1.1.2.2 nathanw #include <dev/ic/pcdisplayvar.h> 40 1.1.2.2 nathanw #include <dev/ic/vgareg.h> 41 1.1.2.2 nathanw #include <dev/ic/vgavar.h> 42 1.1.2.2 nathanw 43 1.1.2.2 nathanw #include <dev/wscons/wsconsio.h> 44 1.1.2.2 nathanw #include <dev/wscons/wsdisplayvar.h> 45 1.1.2.2 nathanw 46 1.1.2.2 nathanw #include <dev/ofw/openfirm.h> 47 1.1.2.2 nathanw #if 0 48 1.1.2.2 nathanw #include <dnard/ofw/vga_ofisavar.h> 49 1.1.2.2 nathanw #endif 50 1.1.2.2 nathanw 51 1.1.2.2 nathanw struct vga_ofbus_softc { 52 1.1.2.2 nathanw struct vga_softc sc_vga; 53 1.1.2.2 nathanw 54 1.1.2.2 nathanw int sc_phandle; 55 1.1.2.2 nathanw }; 56 1.1.2.2 nathanw 57 1.1.2.2 nathanw int vga_ofbus_match (struct device *, struct cfdata *, void *); 58 1.1.2.2 nathanw void vga_ofbus_attach (struct device *, struct device *, void *); 59 1.1.2.2 nathanw 60 1.1.2.3 nathanw CFATTACH_DECL(vga_ofbus, sizeof(struct vga_ofbus_softc), 61 1.1.2.3 nathanw vga_ofbus_match, vga_ofbus_attach, NULL, NULL); 62 1.1.2.2 nathanw 63 1.1.2.2 nathanw static const char *compat_strings[] = { "pnpPNP,900", 0 }; 64 1.1.2.2 nathanw 65 1.1.2.2 nathanw int 66 1.1.2.2 nathanw vga_ofbus_match(struct device *parent, struct cfdata *match, void *aux) 67 1.1.2.2 nathanw { 68 1.1.2.2 nathanw struct ofbus_attach_args *oba = aux; 69 1.1.2.2 nathanw 70 1.1.2.2 nathanw if (of_compatible(oba->oba_phandle, compat_strings) == -1) 71 1.1.2.2 nathanw return (0); 72 1.1.2.2 nathanw 73 1.1.2.2 nathanw if (!vga_is_console(&isa_io_bs_tag, WSDISPLAY_TYPE_ISAVGA) && 74 1.1.2.2 nathanw !vga_common_probe(&isa_io_bs_tag, &isa_mem_bs_tag)) 75 1.1.2.2 nathanw return (0); 76 1.1.2.2 nathanw 77 1.1.2.2 nathanw return (2); /* more than generic pcdisplay */ 78 1.1.2.2 nathanw } 79 1.1.2.2 nathanw 80 1.1.2.2 nathanw void 81 1.1.2.2 nathanw vga_ofbus_attach(struct device *parent, struct device *self, void *aux) 82 1.1.2.2 nathanw { 83 1.1.2.2 nathanw struct vga_ofbus_softc *osc = (void *) self; 84 1.1.2.2 nathanw struct vga_softc *sc = &osc->sc_vga; 85 1.1.2.2 nathanw struct ofbus_attach_args *oba = aux; 86 1.1.2.2 nathanw 87 1.1.2.2 nathanw printf("\n"); 88 1.1.2.2 nathanw osc->sc_phandle = oba->oba_phandle; 89 1.1.2.2 nathanw 90 1.1.2.2 nathanw vga_common_attach(sc, &isa_io_bs_tag, &isa_mem_bs_tag, 91 1.1.2.2 nathanw WSDISPLAY_TYPE_ISAVGA, NULL); 92 1.1.2.2 nathanw } 93 1.1.2.2 nathanw 94 1.1.2.2 nathanw int 95 1.1.2.2 nathanw vga_ofbus_cnattach(int phandle, bus_space_tag_t iot, bus_space_tag_t memt) 96 1.1.2.2 nathanw { 97 1.1.2.2 nathanw if (OF_call_method("text-mode3", phandle, 0, 0) != 0) { 98 1.1.2.2 nathanw printf("vga_ofbus_match: text-mode3 method invocation on VGA " 99 1.1.2.2 nathanw "screen device failed\n"); 100 1.1.2.2 nathanw } 101 1.1.2.2 nathanw 102 1.1.2.2 nathanw return (vga_cnattach(iot, memt, WSDISPLAY_TYPE_ISAVGA, 1)); 103 1.1.2.2 nathanw } 104
Indexes created Wed Oct 22 13:09:56 GMT 2025