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/_I|+ ? /*
* Copyright © 2007-2008 Intel Corporation
* Jesse Barnes
*
* 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_EDID_H__
#define __DRM_EDID_H__
#include
enum hdmi_quantization_range;
struct drm_connector;
struct drm_device;
struct drm_display_mode;
struct drm_edid;
struct drm_printer;
struct hdmi_avi_infoframe;
struct hdmi_vendor_infoframe;
struct i2c_adapter;
#define EDID_LENGTH 128
#define DDC_ADDR 0x50
#define DDC_ADDR2 0x52 /* E-DDC 1.2 - where DisplayID can hide */
#define CEA_EXT 0x02
#define VTB_EXT 0x10
#define DI_EXT 0x40
#define LS_EXT 0x50
#define MI_EXT 0x60
#define DISPLAYID_EXT 0x70
struct est_timings {
u8 t1;
u8 t2;
u8 mfg_rsvd;
} __packed;
/* 00=16:10, 01=4:3, 10=5:4, 11=16:9 */
#define EDID_TIMING_ASPECT_SHIFT 6
#define EDID_TIMING_ASPECT_MASK (0x3 << EDID_TIMING_ASPECT_SHIFT)
/* need to add 60 */
#define EDID_TIMING_VFREQ_SHIFT 0
#define EDID_TIMING_VFREQ_MASK (0x3f << EDID_TIMING_VFREQ_SHIFT)
struct std_timing {
u8 hsize; /* need to multiply by 8 then add 248 */
u8 vfreq_aspect;
} __packed;
#define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1)
#define DRM_EDID_PT_VSYNC_POSITI