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/* $OpenBSD: pcdisplayvar.h,v 1.2 2001/02/02 20:25:39 aaron Exp $ */
/* $NetBSD: pcdisplayvar.h,v 1.8 2000/01/25 02:44:03 ad Exp $ */
/*
* Copyright (c) 1998
* Matthias Drochner. 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 for the NetBSD Project
* by Matthias Drochner.
* 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.
*
*/
#if 0
#include "opt_pcdisplay.h"
#endif
#define offsetof(type, member) ((size_t)(&((type *)0)->member))
struct pcdisplayscreen {
struct pcdisplay_handle *hdl;
const struct wsscreen_descr *type;
int active; /* currently displayed */
u_int16_t *mem; /* backing store for contents */
int cursoron; /* cursor displayed? */
#ifdef PCDISPLAY_SOFTCURSOR
int cursortmp; /* glyph & attribute behind software cursor */
#endif
int vc_ccol, vc_crow; /* current cursor position */
int dispoffset; /* offset of displayed area in video mem */
int visibleoffset;
};
struct pcdisplay_handle {
bus_space_tag_t ph_iot, ph_memt;
bus_space_handle_t ph_ioh_6845, ph_memh;
};
static inline u_int8_t _pcdisplay_6845_read __P((struct pcdisplay_handle *,
int));
static inline void _pcdisplay_6845_write __P((struct pcdisplay_handle *,
int, u_int8_t));
static inline u_int8_t _pcdisplay_6845_read(ph, reg)
struct pcdisplay_handle *ph;
int reg;
{
bus_space_write_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_INDEX, reg);
return (bus_space_read_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_DATA));
}
static inline void _pcdisplay_6845_write(ph, reg, val)
struct pcdisplay_handle *ph;
int reg;
u_int8_t val;
{
bus_space_write_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_INDEX, reg);
bus_space_write_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_DATA, val);
}
#define pcdisplay_6845_read(ph, reg) \
_pcdisplay_6845_read(ph, offsetof(struct reg_mc6845, reg))
#define pcdisplay_6845_write(ph, reg, val) \
_pcdisplay_6845_write(ph, offsetof(struct reg_mc6845, reg), val)
void pcdisplay_cursor_init __P((struct pcdisplayscreen *, int));
void pcdisplay_cursor __P((void *, int, int, int));
#if 0
unsigned int pcdisplay_mapchar_simple __P((void *, int));
#endif
int pcdisplay_mapchar __P((void *, int, unsigned int *));
void pcdisplay_putchar __P((void *, int, int, u_int, long));
void pcdisplay_copycols __P((void *, int, int, int,int));
void pcdisplay_erasecols __P((void *, int, int, int, long));
void pcdisplay_copyrows __P((void *, int, int, int));
void pcdisplay_eraserows __P((void *, int, int, long));
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