79 lines
3.5 KiB
C
79 lines
3.5 KiB
C
/* $NetBSD: grfabs_fal.h,v 1.6 2023/01/06 10:28:28 tsutsui Exp $ */
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/*
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* Copyright (c) 1995 Thomas Gerner.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _GRFABS_FAL_H
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#define _GRFABS_FAL_H
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/*
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* Struct to hold the values for the different video modes
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*/
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struct videl {
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u_short video_mode; /* video mode */
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u_char vd_syncmode; /* Syncronisation */
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u_short vd_line_wide; /* Falcon line word distance */
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u_short vd_vert_wrap; /* Falcon line length */
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u_char vd_st_res; /* ST resolution */
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u_short vd_fal_res; /* Falcon resolution */
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u_short vd_h_hold_tim; /* Falcon horizontal hold timer */
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u_short vd_h_bord_beg; /* Falcon horizontal border begin */
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u_short vd_h_bord_end; /* Falcon horizontal border end */
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u_short vd_h_dis_beg; /* Falcon horizontal display begin */
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u_short vd_h_dis_end; /* Falcon horizontal display end */
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u_short vd_h_ss; /* Falcon horizontal SS */
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u_short vd_h_fs; /* Falcon horizontal FS */
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u_short vd_h_hh; /* Falcon horizontal HH */
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u_short vd_v_freq_tim; /* Falcon vertical frequency timer */
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u_short vd_v_bord_beg; /* Falcon vertical border begin */
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u_short vd_v_bord_end; /* Falcon vertical border end */
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u_short vd_v_dis_beg; /* Falcon vertical display begin */
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u_short vd_v_dis_end; /* Falcon vertical display end */
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u_short vd_v_ss; /* Falcon vertical SS */
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u_short vd_fal_ctrl; /* Falcon video control */
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u_short vd_fal_mode; /* Falcon video mode */
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};
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/*
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* Colormap related macro's
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*/
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#define CM_L2FAL(v) \
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(((0x003f0000 & (v)) << 10) | ((0x00003f00 & (v)) << 10) |\
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(0x0000003f & (v)) << 2)
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#define CM_FAL2L(v) \
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(((((0xfc000000 & (v)) >> 10) * 0xff / 0x3f) & 0x00ff0000) |\
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((((0x00fc0000 & (v)) >> 10) * 0xff / 0x3f) & 0x0000ff00) |\
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((0x000000fc & (v)) >> 2) * 0xff / 0x3f)
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#define CM_L2ST(v) \
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(((0x000e0000 & (v)) >> 9) | ((0x00000e00 & (v)) >> 5) |\
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(0x0000000e & (v)) >> 1)
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#define CM_ST2L(v) \
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(((((0x00000700 & (v)) * 0xff / 0x7) << 8) & 0x00ff0000) |\
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((((0x00000070 & (v)) * 0xff / 0x7) << 4) & 0x0000ff00) |\
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(0x00000007 & (v)) * 0xff / 0x7)
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void falcon_probe_video(MODES *);
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#endif /* _GRFABS_FAL_H */
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