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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __EDID_DISPLAYID_H__
#define __EDID_DISPLAYID_H__
/* DisplayID section structure, version 2.0 */
#define DISPLAY_ID_STRUCTURE_VERSION_20 0x20
/* Data block types */
#define DATA_BLOCK_V2_PRODUCT_ID 0x20
#define DATA_BLOCK_V2_DISPLAY_PARAMETERS 0x21
#define DATA_BLOCK_V2_TYPE_7_DETAILED_TIMING 0x22
#define DATA_BLOCK_V2_TYPE_8_ENUMERATED_TIMING 0x23
#define DATA_BLOCK_V2_TYPE_9_FORMULA_TIMING 0x24
#define DATA_BLOCK_V2_DYNAMIC_VIDEO_TIMING 0x25
#define DATA_BLOCK_V2_DISPLAY_INTERFACE_FEATURES 0x26
#define DATA_BLOCK_V2_STEREO_DISPLAY_INTERFACE 0x27
#define DATA_BLOCK_V2_TILED_DISPLAY_TOPOLOGY 0x28
#define DATA_BLOCK_V2_CONTAINER_ID 0x29
#define DATA_BLOCK_V2_VENDOR_SPECIFIC 0x7E
#define DATA_BLOCK_V2_CTA_DISPLAY_ID 0x81
struct displayid_section_header {
u8 revision;
u8 length;
u8 product_type;
u8 extension_count;
} __packed;
struct displayid_block_header {
u8 tag;
u8 revison;
u8 length;
} ___packed;
struct displayid_type_7_detailed_timing_desc {
u8 pixel_clock[3];
u8 flags;
u8 hactive[2];
u8 hblank[2];
u8 hfront_porch[2];
u8 hsync_width[2];
u8 vactive[2];
u8 vblank[2];
u8 vfront_porch[2];
u8 vsync_width[2];
} __packed;
_Static_assert(sizeof(struct displayid_type_7_detailed_timing_desc) == 20,
"The size does not meet spec");
struct displayid_type_7_detailed_timing_block {
struct displayid_block_header header;
struct displayid_type_7_detailed_timing_desc descs[];
};
#endif /* __EDID_DISPLAYID_H__ */
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