NetBSD/sys/arch/atari/dev/grfabs_fal.h

84 lines
3.8 KiB
C
Raw Normal View History

/* $NetBSD: grfabs_fal.h,v 1.3 1996/09/16 06:43:34 leo Exp $ */
/*
* Copyright (c) 1995 Thomas Gerner.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Thomas Gerner
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _GRFABS_FAL_H
#define _GRFABS_FAL_H
/*
* Struct to hold the values for the different video modes
*/
struct videl {
u_short video_mode; /* video mode */
u_char vd_syncmode; /* Syncronisation */
u_short vd_line_wide; /* Falcon line word distance */
u_short vd_vert_wrap; /* Falcon line length */
u_char vd_st_res; /* ST resolution */
u_short vd_fal_res; /* Falcon resolution */
u_short vd_h_hold_tim; /* Falcon horizontal hold timer */
u_short vd_h_bord_beg; /* Falcon horizontal border begin */
u_short vd_h_bord_end; /* Falcon horizontal border end */
u_short vd_h_dis_beg; /* Falcon horizontal display begin */
u_short vd_h_dis_end; /* Falcon horizontal display end */
u_short vd_h_ss; /* Falcon horizontal SS */
u_short vd_h_fs; /* Falcon horizontal FS */
u_short vd_h_hh; /* Falcon horizontal HH */
u_short vd_v_freq_tim; /* Falcon vertical frequency timer */
u_short vd_v_bord_beg; /* Falcon vertical border begin */
u_short vd_v_bord_end; /* Falcon vertical border end */
u_short vd_v_dis_beg; /* Falcon vertical display begin */
u_short vd_v_dis_end; /* Falcon vertical display end */
u_short vd_v_ss; /* Falcon vertical SS */
u_short vd_fal_ctrl; /* Falcon video control */
u_short vd_fal_mode; /* Falcon video mode */
};
/*
* Colormap related macro's
*/
#define CM_L2FAL(v) \
(((0x003f0000 & (v)) << 10) | ((0x00003f00 & (v)) << 10) |\
(0x0000003f & (v)) << 2)
#define CM_FAL2L(v) \
(((((0xfc000000 & (v)) >> 10) * 0xff / 0x3f) & 0x00ff0000) |\
((((0x00fc0000 & (v)) >> 10) * 0xff / 0x3f) & 0x0000ff00) |\
((0x000000fc & (v)) >> 2) * 0xff / 0x3f)
#define CM_L2ST(v) \
(((0x000e0000 & (v)) >> 9) | ((0x00000e00 & (v)) >> 5) |\
(0x0000000e & (v)) >> 1)
#define CM_ST2L(v) \
(((((0x00000700 & (v)) * 0xff / 0x7) << 8) & 0x00ff0000) |\
((((0x00000070 & (v)) * 0xff / 0x7) << 4) & 0x0000ff00) |\
(0x00000007 & (v)) * 0xff / 0x7)
void falcon_probe_video __P((MODES *));
#endif /* _GRFABS_FAL_H */