1/*- 2 * Copyright (c) 1995-1998 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 *
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28 * $Id: green_saver.c,v 1.14 1998/11/04 03:49:38 peter Exp $
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28 * $Id: green_saver.c,v 1.15 1999/01/11 03:18:48 yokota Exp $ |
29 */ 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/kernel.h> 34#include <sys/module.h>
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35#include <sys/consio.h> 36#include <sys/fbio.h> |
37
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36#include <dev/fb/vgareg.h>
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38#include <dev/fb/fbreg.h> 39#include <dev/fb/splashreg.h> 40#include <dev/syscons/syscons.h> |
41
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38#include <i386/isa/isa.h>
39
40#include <saver.h>
41
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42static int 43green_saver(video_adapter_t *adp, int blank) 44{
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45 int crtc_addr;
46 u_char val;
47
48 crtc_addr = adp->va_crtc_addr;
49 if (blank) {
50 switch (adp->va_type) {
51 case KD_VGA:
52 outb(TSIDX, 0x01); val = inb(TSREG);
53 outb(TSIDX, 0x01); outb(TSREG, val | 0x20);
54 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1);
55 outb(crtc_addr + 1, val & ~0x80);
56 break;
57 case KD_EGA:
58 /* not yet done XXX */
59 break;
60 case KD_CGA:
61 outb(crtc_addr + 4, 0x25);
62 break;
63 case KD_MONO:
64 case KD_HERCULES:
65 outb(crtc_addr + 4, 0x21);
66 break;
67 default:
68 break;
69 }
70 }
71 else {
72 switch (adp->va_type) {
73 case KD_VGA:
74 outb(TSIDX, 0x01); val = inb(TSREG);
75 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF);
76 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1);
77 outb(crtc_addr + 1, val | 0x80);
78 break;
79 case KD_EGA:
80 /* not yet done XXX */
81 break;
82 case KD_CGA:
83 outb(crtc_addr + 4, 0x2d);
84 break;
85 case KD_MONO:
86 case KD_HERCULES:
87 outb(crtc_addr + 4, 0x29);
88 break;
89 default:
90 break;
91 }
92 }
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45 (*vidsw[adp->va_index]->blank_display)(adp, 46 (blank) ? V_DISPLAY_STAND_BY 47 : V_DISPLAY_ON); |
48 return 0; 49} 50 51static int 52green_init(video_adapter_t *adp) 53{
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99 switch (adp->va_type) {
100 case KD_MONO:
101 case KD_HERCULES:
102 case KD_CGA:
103 /*
104 * `green' saver is not fully implemented for MDA and CGA.
105 * It simply blanks the display instead.
106 */
107 case KD_VGA:
108 break;
109 case KD_EGA:
110 /* EGA is yet to be supported */
111 default:
112 return ENODEV;
113 }
114 return 0;
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54 if ((*vidsw[adp->va_index]->blank_display)(adp, V_DISPLAY_ON) == 0) 55 return 0; 56 return ENODEV; |
57} 58 59static int 60green_term(video_adapter_t *adp) 61{ 62 return 0; 63} 64 65static scrn_saver_t green_module = { 66 "green_saver", green_init, green_term, green_saver, NULL, 67}; 68 69SAVER_MODULE(green_saver, green_module);
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