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Diffstat (limited to 'console/vga-hw.h')
| -rw-r--r-- | console/vga-hw.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/console/vga-hw.h b/console/vga-hw.h deleted file mode 100644 index dc147e00..00000000 --- a/console/vga-hw.h +++ /dev/null @@ -1,111 +0,0 @@ -/* vga-hw.h - Definitions for the VGA hardware. - Copyright (C) 2002 Free Software Foundation, Inc. - Written by Marcus Brinkmann. - - This file is part of the GNU Hurd. - - The GNU Hurd is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - The GNU Hurd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#ifndef _VGA_HW_H_ -#define _VGA_HW_H_ 1 - -#define VGA_VIDEO_MEM_BASE_ADDR 0x0a0000 -#define VGA_VIDEO_MEM_LENGTH 0x004000 - -#define VGA_FONT_BUFFER 8 -#define VGA_FONT_SIZE 256 -#define VGA_FONT_HEIGHT 32 - -#define VGA_MIN_REG 0x3c0 -#define VGA_MAX_REG 0x3df - -/* The sequencer address register selects the sub-register of the - sequencer that is accessed through the sequencer data register. */ -#define VGA_SEQ_ADDR_REG 0x3c4 -#define VGA_SEQ_DATA_REG 0x3c5 - -/* The reset subregister can be used to asynchronously or - synchronously halt or clear the sequencer. */ -#define VGA_SEQ_RESET_ADDR 0x00 -#define VGA_SEQ_RESET_ASYNC 0x10 /* Can cause loss of video data. */ -#define VGA_SEQ_RESET_SYNC 0x01 -#define VGA_SEQ_RESET_CLEAR 0x11 /* Sequencer can operate. */ - -/* The map subregister specifies which planes are written to. */ -#define VGA_SEQ_MAP_ADDR 0x02 -#define VGA_SEQ_MAP_PLANE0 0x01 -#define VGA_SEQ_MAP_PLANE1 0x02 -#define VGA_SEQ_MAP_PLANE2 0x04 -#define VGA_SEQ_MAP_PLANE3 0x08 - -/* The font subregister. */ -#define VGA_SEQ_FONT_ADDR 0x03 - -/* The memory mode subregister specifies the way that memory is - accessed. */ -#define VGA_SEQ_MODE_ADDR 0x04 -#define VGA_SEQ_MODE_EXT 0x02 /* Access 265kB rather than 64kB. */ -#define VGA_SEQ_MODE_SEQUENTIAL 0x04 /* Sequential, not odd/even addr. */ -#define VGA_SEQ_MODE_CHAIN4 0x08 /* Chain 4 addressing. */ - - -/* The graphics address register selects the sub-register that is - accessed through the graphics data register. */ -#define VGA_GFX_ADDR_REG 0x3ce -#define VGA_GFX_DATA_REG 0x3cf - -/* The map subregister selects the plane to read from. */ -#define VGA_GFX_MAP_ADDR 0x04 -#define VGA_GFX_MAP_PLANE0 0x00 -#define VGA_GFX_MAP_PLANE1 0x01 -#define VGA_GFX_MAP_PLANE2 0x02 -#define VGA_GFX_MAP_PLANE3 0x03 - -/* The mode subregister selects the memory access mode. */ -#define VGA_GFX_MODE_ADDR 0x05 -#define VGA_GFX_MODE_SHIFT256 0x40 -#define VGA_GFX_MODE_SHIFT 0x20 -#define VGA_GFX_MODE_HOSTOE 0x10 -#define VGA_GFX_MODE_READ0 0x00 -#define VGA_GFX_MODE_READ1 0x08 -#define VGA_GFX_MODE_WRITE0 0x00 -#define VGA_GFX_MODE_WRITE1 0x01 -#define VGA_GFX_MODE_WRITE2 0x02 -#define VGA_GFX_MODE_WRITE3 0x03 - -/* The miscellaneous subregister. */ -#define VGA_GFX_MISC_ADDR 0x06 -#define VGA_GFX_MISC_GFX 0x01 /* Switch on graphics mode. */ -#define VGA_GFX_MISC_CHAINOE 0x02 -#define VGA_GFX_MISC_A0TOBF 0x00 -#define VGA_GFX_MISC_A0TOAF 0x04 -#define VGA_GFX_MISC_B0TOB7 0x08 -#define VGA_GFX_MISC_B8TOBF 0x0c - - -/* The CRTC Registers. XXX Depends on the I/O Address Select field. - However, the only need to use the other values is for compatibility - with monochrome adapters. */ -#define VGA_CRT_ADDR_REG 0x3d4 -#define VGA_CRT_DATA_REG 0x3d5 - -/* The cursor start subregister. */ -#define VGA_CRT_CURSOR_START 0x0a -#define VGA_CRT_CURSOR_DISABLE 0x10 - -#define VGA_CRT_CURSOR_HIGH 0x0e -#define VGA_CRT_CURSOR_LOW 0x0f - -#endif |