1 /* $NetBSD: grfabs_fal.h,v 1.6 2023/01/06 10:28:28 tsutsui 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _GRFABS_FAL_H 29 #define _GRFABS_FAL_H 30 /* 31 * Struct to hold the values for the different video modes 32 */ 33 struct videl { 34 u_short video_mode; /* video mode */ 35 u_char vd_syncmode; /* Syncronisation */ 36 u_short vd_line_wide; /* Falcon line word distance */ 37 u_short vd_vert_wrap; /* Falcon line length */ 38 u_char vd_st_res; /* ST resolution */ 39 u_short vd_fal_res; /* Falcon resolution */ 40 u_short vd_h_hold_tim; /* Falcon horizontal hold timer */ 41 u_short vd_h_bord_beg; /* Falcon horizontal border begin */ 42 u_short vd_h_bord_end; /* Falcon horizontal border end */ 43 u_short vd_h_dis_beg; /* Falcon horizontal display begin */ 44 u_short vd_h_dis_end; /* Falcon horizontal display end */ 45 u_short vd_h_ss; /* Falcon horizontal SS */ 46 u_short vd_h_fs; /* Falcon horizontal FS */ 47 u_short vd_h_hh; /* Falcon horizontal HH */ 48 u_short vd_v_freq_tim; /* Falcon vertical frequency timer */ 49 u_short vd_v_bord_beg; /* Falcon vertical border begin */ 50 u_short vd_v_bord_end; /* Falcon vertical border end */ 51 u_short vd_v_dis_beg; /* Falcon vertical display begin */ 52 u_short vd_v_dis_end; /* Falcon vertical display end */ 53 u_short vd_v_ss; /* Falcon vertical SS */ 54 u_short vd_fal_ctrl; /* Falcon video control */ 55 u_short vd_fal_mode; /* Falcon video mode */ 56 }; 57 58 59 /* 60 * Colormap related macro's 61 */ 62 #define CM_L2FAL(v) \ 63 (((0x003f0000 & (v)) << 10) | ((0x00003f00 & (v)) << 10) |\ 64 (0x0000003f & (v)) << 2) 65 #define CM_FAL2L(v) \ 66 (((((0xfc000000 & (v)) >> 10) * 0xff / 0x3f) & 0x00ff0000) |\ 67 ((((0x00fc0000 & (v)) >> 10) * 0xff / 0x3f) & 0x0000ff00) |\ 68 ((0x000000fc & (v)) >> 2) * 0xff / 0x3f) 69 #define CM_L2ST(v) \ 70 (((0x000e0000 & (v)) >> 9) | ((0x00000e00 & (v)) >> 5) |\ 71 (0x0000000e & (v)) >> 1) 72 #define CM_ST2L(v) \ 73 (((((0x00000700 & (v)) * 0xff / 0x7) << 8) & 0x00ff0000) |\ 74 ((((0x00000070 & (v)) * 0xff / 0x7) << 4) & 0x0000ff00) |\ 75 (0x00000007 & (v)) * 0xff / 0x7) 76 77 void falcon_probe_video(MODES *); 78 #endif /* _GRFABS_FAL_H */ 79