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/* fb.h -- Definition of types and structures for simple frame buffer.

   Copyright (C) 2002 Marko Mlinar, markom@opencores.org

NOTE: device is only partially implemented!

This file is part of OpenRISC 1000 Architectural Simulator.

This program 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 of the License, or

(at your option) any later version.

This program 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., 675 Mass Ave, Cambridge, MA 02139, USA. */

#ifndef _FB_H_

#define _FB_H_

#define FB_SIZEX           640

#define FB_SIZEY           480

#define CAM_SIZEX          352

#define CAM_SIZEY          288

/* Relative amount of time spent in refresh */

#define REFRESH_DIVIDER    20

#define FB_CTRL            0x0000

#define FB_BUFADDR         0x0004

#define FB_CAMBUFADDR      0x0008

#define FB_CAMPOSADDR      0x000c

#define FB_PAL             0x0400

/* Reset all frame buffers */

void fb_reset ();

#endif /* _VGA_H_ */