boot/ppc/Vga.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef MACHINE_X86_VGA_H
#define MACHINE_X86_VGA_H

#define VGA_BASE 0x3C0
#define VGA_AC_INDEX 0x0
#define VGA_AC_WRITE 0x0
#define VGA_AC_READ 0x1
#define VGA_MISC_WRITE 0x2
#define VGA_SEQ_INDEX 0x4
#define VGA_SEQ_DATA 0x5
#define VGA_DAC_READ_INDEX 0x7
#define VGA_DAC_WRITE_INDEX 0x8
#define VGA_DAC_DATA 0x9
#define VGA_MISC_READ 0xC
#define VGA_GC_INDEX 0xE
#define VGA_GC_DATA 0xF
/*                              COLOR emulation  MONO emulation */
#define VGA_CRTC_INDEX 0x14 /* 0x3B4 */
#define VGA_CRTC_DATA 0x15  /* 0x3B5 */
#define VGA_INSTAT_READ 0x1A

#define VGA_NUM_SEQ_REGS 5
#define VGA_NUM_CRTC_REGS 25
#define VGA_NUM_GC_REGS 9
#define VGA_NUM_AC_REGS 21
#define VGA_NUM_REGS                                              \
    (1 + VGA_NUM_SEQ_REGS + VGA_NUM_CRTC_REGS + VGA_NUM_GC_REGS + \
     VGA_NUM_AC_REGS)

void vga_init();

#endif