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[/] [or1k/] [branches/] [stable_0_1_x/] [or1ksim/] [peripheral/] [vga.h] - Blame information for rev 1771

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1 645 markom
/* vga.h -- Definition of types and structures for Richard's VGA/LCD controler.
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   Copyright (C) 2002 Marko Mlinar, markom@opencores.org
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NOTE: device is only partially implemented!
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef _VGA_H_
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#define _VGA_H_
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#define VGA_CTRL        0x00       /* Control Register */
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#define VGA_STAT        0x04       /* Status Register */
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#define VGA_HTIM        0x08       /* Horizontal Timing Register */
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#define VGA_VTIM        0x0c       /* Vertical Timing Register */
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#define VGA_HVLEN       0x10       /* Horizontal and Vertical Length Register */
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#define VGA_VBARA       0x14       /* Video Memory Base Address Register A */
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#define VGA_VBARB       0x18       /* Video Memory Base Address Register B */
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#define VGA_CLUTA       0x800
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#define VGA_CLUTB       0xc00
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#define VGA_MASK        0xfff
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#define VGA_ADDR_SPACE  1024    
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/* List of implemented registers; all other are ignored.  */
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/* Control Register */
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#define VGA_CTRL_VEN    0x00000001 /* Video Enable */
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#define VGA_CTRL_CD     0x00000300 /* Color Depth */
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#define VGA_CTRL_PC     0x00000400 /* Pseudo Color */
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/* Status Register */
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/* Horiz. Timing Register */
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/* Vert. Timing Register */
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/* Horiz. and Vert. Length Register */
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/* Reset all VGAs */
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void vga_reset ();
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#endif /* _VGA_H_ */

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