64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/* $NetBSD: grfabs_et.h,v 1.1 1996/10/11 21:02:48 leo Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1996 Leo Weppelman.
|
|
* 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 Leo Weppelman.
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Saved register-state of the ET4000
|
|
*/
|
|
typedef struct {
|
|
u_char misc_output;
|
|
u_char crt[25]; /* Std. VGA crt registers */
|
|
u_char attr[21]; /* Std. VGA attr. registers */
|
|
u_char grf[9]; /* Std. VGA grf. registers */
|
|
u_char seq[5]; /* Std. VGA seq. registers */
|
|
|
|
/* ET4000 extensions */
|
|
u_char ext_start; /* Extra Crt registers */
|
|
u_char compat_6845;
|
|
u_char overfl_high;
|
|
u_char hor_overfl;
|
|
u_char state_ctl; /* Extra Seq. registers */
|
|
u_char aux_mode;
|
|
u_char seg_sel; /* Extra general register */
|
|
} et_sv_reg_t;
|
|
|
|
typedef struct {
|
|
et_sv_reg_t sv_regs; /* saved card regs */
|
|
int fb_size; /* # of shorts in sv_fb */
|
|
u_short sv_fb[1]; /* saved frame buffer */
|
|
/* actually longer... */
|
|
} save_area_t;
|
|
|
|
void et_hwrest __P((et_sv_reg_t *));
|
|
void et_hwsave __P((et_sv_reg_t *));
|
|
int et_probe_card __P((void));
|
|
void et_probe_video __P((MODES *));
|