genode/repos/libports/src/drivers/framebuffer/vesa/include/framebuffer.h

56 lines
1.3 KiB
C++

/*
* \brief Framebuffer driver interface, X86emu interface
* \author Christian Helmuth
* \author Sebastian Sumpf
* \date 2006-09-11
*/
/*
* Copyright (C) 2006-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _FRAMEBUFFER_H_
#define _FRAMEBUFFER_H_
#include <base/capability.h>
#include <base/stdint.h>
#include "vbe.h"
namespace Framebuffer_drv {
/**
* Return capability for h/w framebuffer dataspace
*/
Genode::Dataspace_capability hw_framebuffer();
/**
* Initialize driver, x86emu lib, set up memory
*/
int init();
/**
* Set video, initialize framebuffer dataspace
*
* If either 'width' or 'height' is 0, the mode with the highest resolution
* for the given color depth is chosen and 'width' and 'height' are updated
* accordingly.
*
* \return 0 on success,
* non-zero otherwise
*/
int set_mode(unsigned long &width, unsigned long &height, unsigned long mode);
/**
* Map given device memory, return out_addr (map address)
*/
int map_io_mem(Genode::addr_t base, Genode::size_t size, bool write_combined,
void **out_addr, Genode::addr_t addr = 0,
Genode::Dataspace_capability *out_io = 0);
}
#endif /* _FRAMEBUFFER_H_ */