/* * 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_INTERNAL_H__ #define __DRM_DISPLAYID_INTERNAL_H__ #include <linux/types.h> #include <linux/bits.h> struct drm_edid; #define VESA_IEEE_OUI … /* DisplayID Structure versions */ #define DISPLAY_ID_STRUCTURE_VER_20 … /* DisplayID Structure v1r2 Data Blocks */ #define DATA_BLOCK_PRODUCT_ID … #define DATA_BLOCK_DISPLAY_PARAMETERS … #define DATA_BLOCK_COLOR_CHARACTERISTICS … #define DATA_BLOCK_TYPE_1_DETAILED_TIMING … #define DATA_BLOCK_TYPE_2_DETAILED_TIMING … #define DATA_BLOCK_TYPE_3_SHORT_TIMING … #define DATA_BLOCK_TYPE_4_DMT_TIMING … #define DATA_BLOCK_VESA_TIMING … #define DATA_BLOCK_CEA_TIMING … #define DATA_BLOCK_VIDEO_TIMING_RANGE … #define DATA_BLOCK_PRODUCT_SERIAL_NUMBER … #define DATA_BLOCK_GP_ASCII_STRING … #define DATA_BLOCK_DISPLAY_DEVICE_DATA … #define DATA_BLOCK_INTERFACE_POWER_SEQUENCING … #define DATA_BLOCK_TRANSFER_CHARACTERISTICS … #define DATA_BLOCK_DISPLAY_INTERFACE … #define DATA_BLOCK_STEREO_DISPLAY_INTERFACE … #define DATA_BLOCK_TILED_DISPLAY … #define DATA_BLOCK_VENDOR_SPECIFIC … #define DATA_BLOCK_CTA … /* DisplayID Structure v2r0 Data Blocks */ #define DATA_BLOCK_2_PRODUCT_ID … #define DATA_BLOCK_2_DISPLAY_PARAMETERS … #define DATA_BLOCK_2_TYPE_7_DETAILED_TIMING … #define DATA_BLOCK_2_TYPE_8_ENUMERATED_TIMING … #define DATA_BLOCK_2_TYPE_9_FORMULA_TIMING … #define DATA_BLOCK_2_DYNAMIC_VIDEO_TIMING … #define DATA_BLOCK_2_DISPLAY_INTERFACE_FEATURES … #define DATA_BLOCK_2_STEREO_DISPLAY_INTERFACE … #define DATA_BLOCK_2_TILED_DISPLAY_TOPOLOGY … #define DATA_BLOCK_2_CONTAINER_ID … #define DATA_BLOCK_2_VENDOR_SPECIFIC … #define DATA_BLOCK_2_CTA_DISPLAY_ID … /* DisplayID Structure v1r2 Product Type */ #define PRODUCT_TYPE_EXTENSION … #define PRODUCT_TYPE_TEST … #define PRODUCT_TYPE_PANEL … #define PRODUCT_TYPE_MONITOR … #define PRODUCT_TYPE_TV … #define PRODUCT_TYPE_REPEATER … #define PRODUCT_TYPE_DIRECT_DRIVE … /* DisplayID Structure v2r0 Display Product Primary Use Case (~Product Type) */ #define PRIMARY_USE_EXTENSION … #define PRIMARY_USE_TEST … #define PRIMARY_USE_GENERIC … #define PRIMARY_USE_TV … #define PRIMARY_USE_DESKTOP_PRODUCTIVITY … #define PRIMARY_USE_DESKTOP_GAMING … #define PRIMARY_USE_PRESENTATION … #define PRIMARY_USE_HEAD_MOUNTED_VR … #define PRIMARY_USE_HEAD_MOUNTED_AR … struct displayid_header { … } __packed; struct displayid_block { … } __packed; struct displayid_tiled_block { … } __packed; struct displayid_detailed_timings_1 { … } __packed; struct displayid_detailed_timing_block { … }; #define DISPLAYID_VESA_MSO_OVERLAP … #define DISPLAYID_VESA_MSO_MODE … struct displayid_vesa_vendor_specific_block { … } __packed; /* * DisplayID iteration. * * Do not access directly, this is private. */ struct displayid_iter { … }; void displayid_iter_edid_begin(const struct drm_edid *drm_edid, struct displayid_iter *iter); const struct displayid_block * __displayid_iter_next(struct displayid_iter *iter); #define displayid_iter_for_each(__block, __iter) … void displayid_iter_end(struct displayid_iter *iter); u8 displayid_version(const struct displayid_iter *iter); u8 displayid_primary_use(const struct displayid_iter *iter); #endif
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