/* fb.h -- Definition of types and structures for simple frame buffer.
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/* fb.h -- Definition of types and structures for simple frame buffer.
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Copyright (C) 2002 Marko Mlinar, markom@opencores.org
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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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NOTE: device is only partially implemented!
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This file is part of OpenRISC 1000 Architectural Simulator.
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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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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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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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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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(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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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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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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef _FB_H_
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#ifndef _FB_H_
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#define _FB_H_
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#define _FB_H_
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#define FB_SIZEX 640
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#define FB_SIZEX 640
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#define FB_SIZEY 480
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#define FB_SIZEY 480
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#define CAM_SIZEX 352
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#define CAM_SIZEX 352
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#define CAM_SIZEY 288
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#define CAM_SIZEY 288
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/* Relative amount of time spent in refresh */
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/* Relative amount of time spent in refresh */
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#define REFRESH_DIVIDER 20
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#define REFRESH_DIVIDER 20
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#define FB_CTRL 0x0000
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#define FB_CTRL 0x0000
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#define FB_BUFADDR 0x0004
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#define FB_BUFADDR 0x0004
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#define FB_CAMBUFADDR 0x0008
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#define FB_CAMBUFADDR 0x0008
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#define FB_CAMPOSADDR 0x000c
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#define FB_CAMPOSADDR 0x000c
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#define FB_PAL 0x0400
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#define FB_PAL 0x0400
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#endif /* _VGA_H_ */
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#endif /* _VGA_H_ */
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