| /* |
| * Copyright © 2014 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| #ifndef DRM_DISPLAYID_H |
| #define DRM_DISPLAYID_H |
| |
| #define DATA_BLOCK_PRODUCT_ID 0x00 |
| #define DATA_BLOCK_DISPLAY_PARAMETERS 0x01 |
| #define DATA_BLOCK_COLOR_CHARACTERISTICS 0x02 |
| #define DATA_BLOCK_TYPE_1_DETAILED_TIMING 0x03 |
| #define DATA_BLOCK_TYPE_2_DETAILED_TIMING 0x04 |
| #define DATA_BLOCK_TYPE_3_SHORT_TIMING 0x05 |
| #define DATA_BLOCK_TYPE_4_DMT_TIMING 0x06 |
| #define DATA_BLOCK_VESA_TIMING 0x07 |
| #define DATA_BLOCK_CEA_TIMING 0x08 |
| #define DATA_BLOCK_VIDEO_TIMING_RANGE 0x09 |
| #define DATA_BLOCK_PRODUCT_SERIAL_NUMBER 0x0a |
| #define DATA_BLOCK_GP_ASCII_STRING 0x0b |
| #define DATA_BLOCK_DISPLAY_DEVICE_DATA 0x0c |
| #define DATA_BLOCK_INTERFACE_POWER_SEQUENCING 0x0d |
| #define DATA_BLOCK_TRANSFER_CHARACTERISTICS 0x0e |
| #define DATA_BLOCK_DISPLAY_INTERFACE 0x0f |
| #define DATA_BLOCK_STEREO_DISPLAY_INTERFACE 0x10 |
| #define DATA_BLOCK_TILED_DISPLAY 0x12 |
| #define DATA_BLOCK_CTA 0x81 |
| |
| #define DATA_BLOCK_VENDOR_SPECIFIC 0x7f |
| |
| #define PRODUCT_TYPE_EXTENSION 0 |
| #define PRODUCT_TYPE_TEST 1 |
| #define PRODUCT_TYPE_PANEL 2 |
| #define PRODUCT_TYPE_MONITOR 3 |
| #define PRODUCT_TYPE_TV 4 |
| #define PRODUCT_TYPE_REPEATER 5 |
| #define PRODUCT_TYPE_DIRECT_DRIVE 6 |
| |
| struct displayid_hdr { |
| u8 rev; |
| u8 bytes; |
| u8 prod_id; |
| u8 ext_count; |
| } __packed; |
| |
| struct displayid_block { |
| u8 tag; |
| u8 rev; |
| u8 num_bytes; |
| } __packed; |
| |
| struct displayid_tiled_block { |
| struct displayid_block base; |
| u8 tile_cap; |
| u8 topo[3]; |
| u8 tile_size[4]; |
| u8 tile_pixel_bezel[5]; |
| u8 topology_id[8]; |
| } __packed; |
| |
| struct displayid_detailed_timings_1 { |
| u8 pixel_clock[3]; |
| u8 flags; |
| u8 hactive[2]; |
| u8 hblank[2]; |
| u8 hsync[2]; |
| u8 hsw[2]; |
| u8 vactive[2]; |
| u8 vblank[2]; |
| u8 vsync[2]; |
| u8 vsw[2]; |
| } __packed; |
| |
| struct displayid_detailed_timing_block { |
| struct displayid_block base; |
| struct displayid_detailed_timings_1 timings[0]; |
| }; |
| |
| #define for_each_displayid_db(displayid, block, idx, length) \ |
| for ((block) = (struct displayid_block *)&(displayid)[idx]; \ |
| (idx) + sizeof(struct displayid_block) <= (length) && \ |
| (idx) + sizeof(struct displayid_block) + (block)->num_bytes <= (length) && \ |
| (block)->num_bytes > 0; \ |
| (idx) += sizeof(struct displayid_block) + (block)->num_bytes, \ |
| (block) = (struct displayid_block *)&(displayid)[idx]) |
| |
| #endif |