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 */ 76