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#ifndef _VGA_SUPPORT_H_
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#define _VGA_SUPPORT_H_
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//==========================================================================
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//
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// vga_support.h
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//
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// VGA support routines
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//
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//==========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): gthomas
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// Contributors: gthomas
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// Date: 2001-09-29
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// Description: Simple VGA support
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//####DESCRIPTIONEND####
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struct vga_info {
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short height, width; // Pixels
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short bpp; // Depth (bits/pixel)
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short type;
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short rlen; // Length of one raster line in bytes
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short access_size; // Data path width to frame buffer
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short stride; // Offset (in bytes) between elements
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void *fb; // Frame buffer
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void *ctlr; // Controller regs
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void (*off)(void); // Turn screen off
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void (*on)(void); // Turn screen on
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};
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// Frame buffer types - used by MicroWindows
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#define FB_TRUE_RGB565 0x01
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#define FB_TRUE_RGB555 0x02
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// Exported functions
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void vga_init(cyg_uint32 *ctlr);
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void vga_clear(void);
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int vga_getinfo(struct vga_info *info);
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void vga_on(bool enable);
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#ifdef CYGSEM_UE250_VGA_COMM
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void vga_screen_clear(void);
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void vga_moveto(int X, int Y);
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void vga_putc(cyg_uint8 c);
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int _vga_printf(char const *fmt, ...);
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void vga_comm_init(cyg_uint32 *addr);
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#endif
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#endif // _VGA_SUPPORT_H_
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