grfabs_fal.h revision 1.3.168.1 1 /* $NetBSD: grfabs_fal.h,v 1.3.168.1 2009/05/04 08:10:47 yamt Exp $ */
2
3 /*
4 * Copyright (c) 1995 Thomas Gerner.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Thomas Gerner
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef _GRFABS_FAL_H
34 #define _GRFABS_FAL_H
35 /*
36 * Struct to hold the values for the different video modes
37 */
38 struct videl {
39 u_short video_mode; /* video mode */
40 u_char vd_syncmode; /* Syncronisation */
41 u_short vd_line_wide; /* Falcon line word distance */
42 u_short vd_vert_wrap; /* Falcon line length */
43 u_char vd_st_res; /* ST resolution */
44 u_short vd_fal_res; /* Falcon resolution */
45 u_short vd_h_hold_tim; /* Falcon horizontal hold timer */
46 u_short vd_h_bord_beg; /* Falcon horizontal border begin */
47 u_short vd_h_bord_end; /* Falcon horizontal border end */
48 u_short vd_h_dis_beg; /* Falcon horizontal display begin */
49 u_short vd_h_dis_end; /* Falcon horizontal display end */
50 u_short vd_h_ss; /* Falcon horizontal SS */
51 u_short vd_h_fs; /* Falcon horizontal FS */
52 u_short vd_h_hh; /* Falcon horizontal HH */
53 u_short vd_v_freq_tim; /* Falcon vertical frequency timer */
54 u_short vd_v_bord_beg; /* Falcon vertical border begin */
55 u_short vd_v_bord_end; /* Falcon vertical border end */
56 u_short vd_v_dis_beg; /* Falcon vertical display begin */
57 u_short vd_v_dis_end; /* Falcon vertical display end */
58 u_short vd_v_ss; /* Falcon vertical SS */
59 u_short vd_fal_ctrl; /* Falcon video control */
60 u_short vd_fal_mode; /* Falcon video mode */
61 };
62
63
64 /*
65 * Colormap related macro's
66 */
67 #define CM_L2FAL(v) \
68 (((0x003f0000 & (v)) << 10) | ((0x00003f00 & (v)) << 10) |\
69 (0x0000003f & (v)) << 2)
70 #define CM_FAL2L(v) \
71 (((((0xfc000000 & (v)) >> 10) * 0xff / 0x3f) & 0x00ff0000) |\
72 ((((0x00fc0000 & (v)) >> 10) * 0xff / 0x3f) & 0x0000ff00) |\
73 ((0x000000fc & (v)) >> 2) * 0xff / 0x3f)
74 #define CM_L2ST(v) \
75 (((0x000e0000 & (v)) >> 9) | ((0x00000e00 & (v)) >> 5) |\
76 (0x0000000e & (v)) >> 1)
77 #define CM_ST2L(v) \
78 (((((0x00000700 & (v)) * 0xff / 0x7) << 8) & 0x00ff0000) |\
79 ((((0x00000070 & (v)) * 0xff / 0x7) << 4) & 0x0000ff00) |\
80 (0x00000007 & (v)) * 0xff / 0x7)
81
82 void falcon_probe_video(MODES *);
83 #endif /* _GRFABS_FAL_H */
84