118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*
|
|
* 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
|
|
|
|
#include <linux/types.h>
|
|
|
|
struct edid;
|
|
|
|
#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_header {
|
|
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[];
|
|
};
|
|
|
|
/* DisplayID iteration */
|
|
struct displayid_iter {
|
|
const struct edid *edid;
|
|
|
|
const u8 *section;
|
|
int length;
|
|
int idx;
|
|
int ext_index;
|
|
};
|
|
|
|
void displayid_iter_edid_begin(const struct edid *edid,
|
|
struct displayid_iter *iter);
|
|
const struct displayid_block *
|
|
__displayid_iter_next(struct displayid_iter *iter);
|
|
#define displayid_iter_for_each(__block, __iter) \
|
|
while (((__block) = __displayid_iter_next(__iter)))
|
|
void displayid_iter_end(struct displayid_iter *iter);
|
|
|
|
#endif
|