108 lines
4.4 KiB
C
108 lines
4.4 KiB
C
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/*-
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* Copyright (c) 1998 Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp)
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* 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. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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#ifndef _I386_ISA_VIDEOIO_H_
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#define _I386_ISA_VIDEOIO_H_
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#ifdef KERNEL
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#define V_MAX_ADAPTERS 2
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#define V_MODE_MAP_SIZE (M_VGA_CG320 + 1)
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#define V_MODE_PARAM_SIZE 64
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/* physical addresses */
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#define MONO_BUF BIOS_PADDRTOVADDR(0xb0000)
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#define CGA_BUF BIOS_PADDRTOVADDR(0xb8000)
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#define GRAPHICS_BUF BIOS_PADDRTOVADDR(0xa0000)
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#define VIDEOMEM 0x000A0000
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/* I/O port addresses */
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#define MONO_BASE 0x3B4 /* crt controller base mono */
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#define COLOR_BASE 0x3D4 /* crt controller base color */
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#define MISC 0x3C2 /* misc output register */
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#define ATC IO_VGA+0x00 /* attribute controller */
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#define TSIDX IO_VGA+0x04 /* timing sequencer idx */
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#define TSREG IO_VGA+0x05 /* timing sequencer data */
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#define PIXMASK IO_VGA+0x06 /* pixel write mask */
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#define PALRADR IO_VGA+0x07 /* palette read address */
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#define PALWADR IO_VGA+0x08 /* palette write address */
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#define PALDATA IO_VGA+0x09 /* palette data register */
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#define GDCIDX IO_VGA+0x0E /* graph data controller idx */
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#define GDCREG IO_VGA+0x0F /* graph data controller data */
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/* video function table */
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typedef int vi_init_t(void);
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typedef video_adapter_t *vi_adapter_t(int ad);
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typedef int vi_get_info_t(int ad, int mode, video_info_t *info);
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typedef int vi_query_mode_t(int ad, video_info_t *info);
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typedef int vi_set_mode_t(int ad, int mode);
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typedef int vi_save_font_t(int ad, int page, int size, u_char *data,
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int c, int count);
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typedef int vi_load_font_t(int ad, int page, int size, u_char *data,
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int c, int count);
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typedef int vi_show_font_t(int ad, int page);
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typedef int vi_save_palette_t(int ad, u_char *palette);
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typedef int vi_load_palette_t(int ad, u_char *palette);
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typedef int vi_set_border_t(int ad, int border);
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typedef int vi_save_state_t(int ad, void *p, size_t size);
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typedef int vi_load_state_t(int ad, void *p);
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typedef int vi_set_win_org_t(int ad, off_t offset);
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typedef int vi_read_hw_cursor_t(int ad, int *col, int *row);
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typedef int vi_set_hw_cursor_t(int ad, int col, int row);
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typedef int vi_diag_t(int level);
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struct vidsw {
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vi_init_t *init; /* all */
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vi_adapter_t *adapter; /* all */
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vi_get_info_t *get_info; /* all */
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vi_query_mode_t *query_mode; /* all */
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vi_set_mode_t *set_mode; /* EGA/VGA */
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vi_save_font_t *save_font; /* EGA/VGA */
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vi_load_font_t *load_font; /* EGA/VGA */
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vi_show_font_t *show_font; /* EGA/VGA */
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vi_save_palette_t *save_palette; /* VGA */
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vi_load_palette_t *load_palette; /* VGA */
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vi_set_border_t *set_border; /* CGA/EGA/VGA */
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vi_save_state_t *save_state; /* VGA */
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vi_load_state_t *load_state; /* EGA/VGA */
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vi_set_win_org_t *set_win_org; /* all */
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vi_read_hw_cursor_t *read_hw_cursor; /* all */
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vi_set_hw_cursor_t *set_hw_cursor; /* all */
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vi_diag_t *diag; /* all */
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};
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extern struct vidsw biosvidsw;
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#endif /* KERNEL */
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#endif /* !_I386_ISA_VIDEOIO_H_ */
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