/*
 * Copyright 2005-2009, Axel Dörfler, axeld@pinc-software.de.
 * 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>

#include <edid.h>


#define VESA_EDID_BOOT_INFO "vesa_edid/v1"
#define VESA_MODES_BOOT_INFO "vesa_modes/v1"

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

enum bios_type_enum {
        kUnknownBiosType = 0,
        kIntelBiosType,
        kNVidiaBiosType,
        kAtomBiosType1,
        kAtomBiosType2
};

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

        uint32                  vesa_mode_offset;
        uint32                  vesa_mode_count;

        edid1_info              edid_info;
        bool                    has_edid;
        bios_type_enum  bios_type;
        uint16                  mode_table_offset;
                // Atombios only: offset to the table of video modes in the bios, used for patching in
                // extra video modes.
        uint32                  dpms_capabilities;

        char                    name[32];
        uint32                  vram_size;
};

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

// list ioctls
enum {
        VESA_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1,
        VESA_CLONE_FRAME_BUFFER,
        VESA_GET_DEVICE_NAME,
        VESA_SET_DISPLAY_MODE,
        VESA_GET_DPMS_MODE,
        VESA_SET_DPMS_MODE,
        VESA_SET_INDEXED_COLORS,
        VESA_SET_CUSTOM_DISPLAY_MODE,

        VGA_PLANAR_BLIT,
};

struct vesa_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 */