91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
/* $NetBSD: pcdisplayvar.h,v 1.4 1998/07/24 16:12:18 drochner Exp $ */
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/*
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* Copyright (c) 1998
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* Matthias Drochner. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project
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* by Matthias Drochner.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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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*/
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struct pcdisplayscreen {
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struct pcdisplay_handle *hdl;
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const struct wsscreen_descr *type;
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int active; /* currently displayed */
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u_int16_t *mem; /* backing store for contents */
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int cursoron; /* cursor displayed? */
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int vc_ccol, vc_crow; /* current cursor position */
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int dispoffset; /* offset of displayed area in video mem */
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};
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struct pcdisplay_handle {
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bus_space_tag_t ph_iot, ph_memt;
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bus_space_handle_t ph_ioh_6845, ph_memh;
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};
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static inline u_int8_t _pcdisplay_6845_read __P((struct pcdisplay_handle *,
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int));
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static inline void _pcdisplay_6845_write __P((struct pcdisplay_handle *,
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int, u_int8_t));
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static inline u_int8_t _pcdisplay_6845_read(ph, reg)
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struct pcdisplay_handle *ph;
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int reg;
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{
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bus_space_write_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_INDEX, reg);
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return (bus_space_read_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_DATA));
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}
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static inline void _pcdisplay_6845_write(ph, reg, val)
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struct pcdisplay_handle *ph;
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int reg;
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u_int8_t val;
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{
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bus_space_write_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_INDEX, reg);
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bus_space_write_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_DATA, val);
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}
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#define pcdisplay_6845_read(ph, reg) \
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_pcdisplay_6845_read(ph, offsetof(struct reg_mc6845, reg))
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#define pcdisplay_6845_write(ph, reg, val) \
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_pcdisplay_6845_write(ph, offsetof(struct reg_mc6845, reg), val)
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void pcdisplay_cursor __P((void *, int, int, int));
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#if 0
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unsigned int pcdisplay_mapchar_simple __P((void *, int));
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#endif
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unsigned int pcdisplay_mapchar __P((void *, int));
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void pcdisplay_putchar __P((void *, int, int, u_int, long));
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void pcdisplay_copycols __P((void *, int, int, int,int));
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void pcdisplay_erasecols __P((void *, int, int, int, long));
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void pcdisplay_copyrows __P((void *, int, int, int));
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void pcdisplay_eraserows __P((void *, int, int, long));
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