92 lines
1.7 KiB
C
92 lines
1.7 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <lib9.h>
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#include <bio.h>
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#include "pci.h"
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#include "vga.h"
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static void
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init(Vga* vga, Ctlr* ctlr)
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{
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ctlr->flag |= Finit;
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if(cflag)
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return;
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/*
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* Use of the on-chip hwgc requires using enhanced mode.
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*/
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if(vga->ctlr == 0 || (vga->ctlr->flag & Henhanced) == 0 || vga->mode->z < 8){
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cflag = 1;
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return;
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}
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resyncinit(vga, ctlr, Uenhanced, 0);
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}
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static void
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load(Vga* vga, Ctlr* ctlr)
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{
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ctlr->flag |= Fload;
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if(cflag)
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return;
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/*
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* Use of the on-chip hwgc requires using enhanced mode.
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*/
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if(vga->ctlr == 0 || (vga->ctlr->flag & Uenhanced) == 0 || vga->mode->z < 8)
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cflag = 1;
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}
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Ctlr bt485hwgc = {
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"bt485hwgc", /* name */
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0, /* snarf */
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0, /* options */
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0, /* init */
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0, /* load */
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0, /* dump */
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};
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Ctlr rgb524hwgc = {
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"rgb524hwgc", /* name */
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0, /* snarf */
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0, /* options */
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0, /* init */
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0, /* load */
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0, /* dump */
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};
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Ctlr s3hwgc = {
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"s3hwgc", /* name */
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0, /* snarf */
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0, /* options */
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init, /* init */
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load, /* load */
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0, /* dump */
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};
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Ctlr tvp3020hwgc = {
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"tvp3020hwgc", /* name */
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0, /* snarf */
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0, /* options */
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0, /* init */
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0, /* load */
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0, /* dump */
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};
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Ctlr tvp3026hwgc = {
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"tvp3026hwgc", /* name */
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0, /* snarf */
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0, /* options */
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0, /* init */
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0, /* load */
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0, /* dump */
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};
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