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117 lines
3.3 KiB
117 lines
3.3 KiB
/* |
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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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#include <linux/types.h> |
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struct edid; |
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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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#define DATA_BLOCK_CTA 0x81 |
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#define DATA_BLOCK_VENDOR_SPECIFIC 0x7f |
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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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struct displayid_header { |
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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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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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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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struct displayid_detailed_timings_1 { |
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u8 pixel_clock[3]; |
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u8 flags; |
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u8 hactive[2]; |
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u8 hblank[2]; |
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u8 hsync[2]; |
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u8 hsw[2]; |
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u8 vactive[2]; |
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u8 vblank[2]; |
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u8 vsync[2]; |
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u8 vsw[2]; |
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} __packed; |
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struct displayid_detailed_timing_block { |
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struct displayid_block base; |
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struct displayid_detailed_timings_1 timings[]; |
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}; |
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/* DisplayID iteration */ |
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struct displayid_iter { |
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const struct edid *edid; |
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const u8 *section; |
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int length; |
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int idx; |
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int ext_index; |
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}; |
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void displayid_iter_edid_begin(const struct edid *edid, |
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struct displayid_iter *iter); |
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const struct displayid_block * |
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__displayid_iter_next(struct displayid_iter *iter); |
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#define displayid_iter_for_each(__block, __iter) \ |
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while (((__block) = __displayid_iter_next(__iter))) |
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void displayid_iter_end(struct displayid_iter *iter); |
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#endif
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