1 /* $NetBSD: grfabs_fal.h,v 1.3 1996/09/16 06:43:34 leo 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 __P((MODES *)); 83 #endif /* _GRFABS_FAL_H */ 84