97 lines
3.7 KiB
C
97 lines
3.7 KiB
C
/* $NetBSD: pcdisplayvar.h,v 1.7 2000/01/05 16:14:35 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.
|
|
*
|
|
*/
|
|
|
|
#include "opt_pcdisplay.h"
|
|
|
|
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 */
|
|
};
|
|
|
|
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 *));
|
|
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));
|