105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
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/* $NetBSD: vga_ofbus.c,v 1.1 2001/05/09 16:08:45 matt Exp $ */
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/*
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* Copyright (c) 1995, 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <dev/isa/isavar.h>
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#include <dev/ic/mc6845reg.h>
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#include <dev/ic/pcdisplayvar.h>
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#include <dev/ic/vgareg.h>
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#include <dev/ic/vgavar.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/ofw/openfirm.h>
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#if 0
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#include <dnard/ofw/vga_ofisavar.h>
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#endif
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struct vga_ofbus_softc {
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struct device sc_dev;
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int sc_phandle;
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#if 0
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struct vga_config *sc_vc; /* VGA configuration */
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#endif
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};
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int vga_ofbus_match (struct device *, struct cfdata *, void *);
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void vga_ofbus_attach (struct device *, struct device *, void *);
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struct cfattach vga_ofbus_ca = {
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sizeof(struct vga_ofbus_softc), vga_ofbus_match, vga_ofbus_attach,
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};
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static const char *compat_strings[] = { "pnpPNP,900", 0 };
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int
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vga_ofbus_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct ofbus_attach_args *oba = aux;
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if (of_compatible(oba->oba_phandle, compat_strings) == -1)
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return (0);
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if (!vga_is_console(&isa_io_bs_tag, WSDISPLAY_TYPE_ISAVGA) &&
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!vga_common_probe(&isa_io_bs_tag, &isa_mem_bs_tag))
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return (0);
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return (2); /* more than generic pcdisplay */
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}
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void
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vga_ofbus_attach(struct device *parent, struct device *self, void *aux)
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{
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struct ofbus_attach_args *oba = aux;
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struct vga_ofbus_softc *sc = (struct vga_ofbus_softc *)self;
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printf("\n");
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sc->sc_phandle = oba->oba_phandle;
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vga_common_attach(self, &isa_io_bs_tag, &isa_mem_bs_tag, WSDISPLAY_TYPE_ISAVGA, NULL);
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}
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int
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vga_ofbus_cnattach(int phandle, bus_space_tag_t iot, bus_space_tag_t memt)
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{
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if (OF_call_method("text-mode3", phandle, 0, 0) != 0) {
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printf("vga_ofbus_match: text-mode3 method invocation on VGA "
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"screen device failed\n");
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}
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return (vga_cnattach(iot, memt, WSDISPLAY_TYPE_ISAVGA, 1));
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}
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