 b49b55bd4f
			
		
	
	
	b49b55bd4f
	
	
	
		
			
			These are just taken from the DisplayID v1.3 spec, and the DDC spec. v2: use __packed (Jani) Signed-off-by: Dave Airlie <airlied@redhat.com>
		
			
				
	
	
		
			76 lines
		
	
	
	
		
			2.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
	
		
			2.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright © 2014 Red Hat Inc.
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a
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|  * copy of this software and associated documentation files (the "Software"),
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|  * to deal in the Software without restriction, including without limitation
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|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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|  * and/or sell copies of the Software, and to permit persons to whom the
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|  * Software is furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included in
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|  * all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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|  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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|  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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|  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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|  * OTHER DEALINGS IN THE SOFTWARE.
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|  */
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| #ifndef DRM_DISPLAYID_H
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| #define DRM_DISPLAYID_H
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| 
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| #define DATA_BLOCK_PRODUCT_ID 0x00
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| #define DATA_BLOCK_DISPLAY_PARAMETERS 0x01
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| #define DATA_BLOCK_COLOR_CHARACTERISTICS 0x02
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| #define DATA_BLOCK_TYPE_1_DETAILED_TIMING 0x03
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| #define DATA_BLOCK_TYPE_2_DETAILED_TIMING 0x04
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| #define DATA_BLOCK_TYPE_3_SHORT_TIMING 0x05
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| #define DATA_BLOCK_TYPE_4_DMT_TIMING 0x06
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| #define DATA_BLOCK_VESA_TIMING 0x07
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| #define DATA_BLOCK_CEA_TIMING 0x08
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| #define DATA_BLOCK_VIDEO_TIMING_RANGE 0x09
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| #define DATA_BLOCK_PRODUCT_SERIAL_NUMBER 0x0a
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| #define DATA_BLOCK_GP_ASCII_STRING 0x0b
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| #define DATA_BLOCK_DISPLAY_DEVICE_DATA 0x0c
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| #define DATA_BLOCK_INTERFACE_POWER_SEQUENCING 0x0d
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| #define DATA_BLOCK_TRANSFER_CHARACTERISTICS 0x0e
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| #define DATA_BLOCK_DISPLAY_INTERFACE 0x0f
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| #define DATA_BLOCK_STEREO_DISPLAY_INTERFACE 0x10
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| #define DATA_BLOCK_TILED_DISPLAY 0x12
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| 
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| #define DATA_BLOCK_VENDOR_SPECIFIC 0x7f
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| 
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| #define PRODUCT_TYPE_EXTENSION 0
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| #define PRODUCT_TYPE_TEST 1
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| #define PRODUCT_TYPE_PANEL 2
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| #define PRODUCT_TYPE_MONITOR 3
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| #define PRODUCT_TYPE_TV 4
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| #define PRODUCT_TYPE_REPEATER 5
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| #define PRODUCT_TYPE_DIRECT_DRIVE 6
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| 
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| struct displayid_hdr {
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| 	u8 rev;
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| 	u8 bytes;
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| 	u8 prod_id;
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| 	u8 ext_count;
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| } __packed;
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| 
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| struct displayid_block {
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| 	u8 tag;
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| 	u8 rev;
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| 	u8 num_bytes;
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| } __packed;
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| 
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| struct displayid_tiled_block {
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| 	struct displayid_block base;
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| 	u8 tile_cap;
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| 	u8 topo[3];
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| 	u8 tile_size[4];
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| 	u8 tile_pixel_bezel[5];
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| 	u8 topology_id[8];
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| } __packed;
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| 
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| #endif
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