haiku/headers/private/graphics/vesa/vesa_info.h

/*
 * Copyright 2005-2008, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef VESA_INFO_H
#define VESA_INFO_H


#include <Drivers.h>
#include <Accelerant.h>
#include <PCI.h>


#define VESA_MODES_BOOT_INFO "vesa_modes/v1"

struct vesa_mode {
	uint16			width;
	uint16			height;
	uint8			bits_per_pixel;
};

struct vesa_shared_info {
	int32			type;
	area_id			mode_list_area;		// area containing display mode list
	uint32			mode_count;
	display_mode	current_mode;
	uint32			bytes_per_row;

	area_id			registers_area;		// area of memory mapped registers
	area_id			frame_buffer_area;	// area of frame buffer
	uint8			*frame_buffer;
		// pointer to frame buffer (visible by all apps!)
	uint8			*physical_frame_buffer;

	uint32			vesa_mode_offset;
	uint32			vesa_mode_count;
};

//----------------- ioctl() interface ----------------

// list ioctls
enum {
	VESA_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1,
	VESA_GET_DEVICE_NAME,

	VGA_SET_INDEXED_COLORS,
	VGA_PLANAR_BLIT,
};

struct vga_set_indexed_colors_args {
	uint8	first;
	uint16	count;
	uint8	*colors;
};

struct vga_planar_blit_args {
	uint8	*source;
	int32	source_bytes_per_row;
	int32	left;
	int32	top;
	int32	right;
	int32	bottom;
};

#endif	/* VESA_INFO_H */