headers/private/graphics/vesa/vesa_info.h

   1 /*
   2  * Copyright 2005-2009, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef VESA_INFO_H
   6 #define VESA_INFO_H
   7
   8
   9 #include <Drivers.h>
  10 #include <Accelerant.h>
  11 #include <PCI.h>
  12
  13 #include <edid.h>
  14
  15
  16 #define VESA_EDID_BOOT_INFO "vesa_edid/v1"
  17 #define VESA_MODES_BOOT_INFO "vesa_modes/v1"
  18
  19 struct vesa_mode {
  20         uint16                  mode;
  21         uint16                  width;
  22         uint16                  height;
  23         uint8                   bits_per_pixel;
  24 };
  25
  26 struct vesa_shared_info {
  27         int32                   type;
  28         area_id                 mode_list_area;         // area containing display mode list
  29         uint32                  mode_count;
  30         display_mode    current_mode;
  31         uint32                  bytes_per_row;
  32
  33         area_id                 frame_buffer_area;      // area of frame buffer
  34         uint8*                  frame_buffer;
  35                 // pointer to frame buffer (visible by all apps!)
  36         uint8*                  physical_frame_buffer;
  37
  38         uint32                  vesa_mode_offset;
  39         uint32                  vesa_mode_count;
  40
  41         edid1_info              edid_info;
  42         bool                    has_edid;
  43         uint32                  dpms_capabilities;
  44 };
  45
  46 //----------------- ioctl() interface ----------------
  47
  48 // list ioctls
  49 enum {
  50         VESA_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1,
  51         VESA_GET_DEVICE_NAME,
  52         VESA_SET_DISPLAY_MODE,
  53         VESA_GET_DPMS_MODE,
  54         VESA_SET_DPMS_MODE,
  55         VESA_SET_INDEXED_COLORS,
  56
  57         VGA_PLANAR_BLIT,
  58 };
  59
  60 struct vesa_set_indexed_colors_args {
  61         uint8                   first;
  62         uint16                  count;
  63         uint8*                  colors;
  64 };
  65
  66 struct vga_planar_blit_args {
  67         uint8*                  source;
  68         int32                   source_bytes_per_row;
  69         int32                   left;
  70         int32                   top;
  71         int32                   right;
  72         int32                   bottom;
  73 };
  74
  75 #endif  /* VESA_INFO_H */