1 /* 2 * Copyright © 2014 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 #ifndef DRM_DISPLAYID_H 23 #define DRM_DISPLAYID_H 24 25 #define DATA_BLOCK_PRODUCT_ID 0x00 26 #define DATA_BLOCK_DISPLAY_PARAMETERS 0x01 27 #define DATA_BLOCK_COLOR_CHARACTERISTICS 0x02 28 #define DATA_BLOCK_TYPE_1_DETAILED_TIMING 0x03 29 #define DATA_BLOCK_TYPE_2_DETAILED_TIMING 0x04 30 #define DATA_BLOCK_TYPE_3_SHORT_TIMING 0x05 31 #define DATA_BLOCK_TYPE_4_DMT_TIMING 0x06 32 #define DATA_BLOCK_VESA_TIMING 0x07 33 #define DATA_BLOCK_CEA_TIMING 0x08 34 #define DATA_BLOCK_VIDEO_TIMING_RANGE 0x09 35 #define DATA_BLOCK_PRODUCT_SERIAL_NUMBER 0x0a 36 #define DATA_BLOCK_GP_ASCII_STRING 0x0b 37 #define DATA_BLOCK_DISPLAY_DEVICE_DATA 0x0c 38 #define DATA_BLOCK_INTERFACE_POWER_SEQUENCING 0x0d 39 #define DATA_BLOCK_TRANSFER_CHARACTERISTICS 0x0e 40 #define DATA_BLOCK_DISPLAY_INTERFACE 0x0f 41 #define DATA_BLOCK_STEREO_DISPLAY_INTERFACE 0x10 42 #define DATA_BLOCK_TILED_DISPLAY 0x12 43 44 #define DATA_BLOCK_VENDOR_SPECIFIC 0x7f 45 46 #define PRODUCT_TYPE_EXTENSION 0 47 #define PRODUCT_TYPE_TEST 1 48 #define PRODUCT_TYPE_PANEL 2 49 #define PRODUCT_TYPE_MONITOR 3 50 #define PRODUCT_TYPE_TV 4 51 #define PRODUCT_TYPE_REPEATER 5 52 #define PRODUCT_TYPE_DIRECT_DRIVE 6 53 54 struct displayid_hdr { 55 u8 rev; 56 u8 bytes; 57 u8 prod_id; 58 u8 ext_count; 59 } __packed; 60 61 struct displayid_block { 62 u8 tag; 63 u8 rev; 64 u8 num_bytes; 65 } __packed; 66 67 struct displayid_tiled_block { 68 struct displayid_block base; 69 u8 tile_cap; 70 u8 topo[3]; 71 u8 tile_size[4]; 72 u8 tile_pixel_bezel[5]; 73 u8 topology_id[8]; 74 } __packed; 75 76 struct displayid_detailed_timings_1 { 77 u8 pixel_clock[3]; 78 u8 flags; 79 u8 hactive[2]; 80 u8 hblank[2]; 81 u8 hsync[2]; 82 u8 hsw[2]; 83 u8 vactive[2]; 84 u8 vblank[2]; 85 u8 vsync[2]; 86 u8 vsw[2]; 87 } __packed; 88 89 struct displayid_detailed_timing_block { 90 struct displayid_block base; 91 struct displayid_detailed_timings_1 timings[0]; 92 }; 93 #endif 94