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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /include/drm/drm_edid.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'include/drm/drm_edid.h')
-rw-r--r--include/drm/drm_edid.h243
1 files changed, 243 insertions, 0 deletions
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
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+/*
+ * Copyright © 2007-2008 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * 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 <linux/types.h>
+
+#define EDID_LENGTH 128
+#define DDC_ADDR 0x50
+
+#define CEA_EXT 0x02
+#define VTB_EXT 0x10
+#define DI_EXT 0x40
+#define LS_EXT 0x50
+#define MI_EXT 0x60
+
+struct est_timings {
+ u8 t1;
+ u8 t2;
+ u8 mfg_rsvd;
+} __attribute__((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;
+} __attribute__((packed));
+
+#define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1)
+#define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2)
+#define DRM_EDID_PT_SEPARATE_SYNC (3 << 3)
+#define DRM_EDID_PT_STEREO (1 << 5)
+#define DRM_EDID_PT_INTERLACED (1 << 7)
+
+/* If detailed data is pixel timing */
+struct detailed_pixel_timing {
+ u8 hactive_lo;
+ u8 hblank_lo;
+ u8 hactive_hblank_hi;
+ u8 vactive_lo;
+ u8 vblank_lo;
+ u8 vactive_vblank_hi;
+ u8 hsync_offset_lo;
+ u8 hsync_pulse_width_lo;
+ u8 vsync_offset_pulse_width_lo;
+ u8 hsync_vsync_offset_pulse_width_hi;
+ u8 width_mm_lo;
+ u8 height_mm_lo;
+ u8 width_height_mm_hi;
+ u8 hborder;
+ u8 vborder;
+ u8 misc;
+} __attribute__((packed));
+
+/* If it's not pixel timing, it'll be one of the below */
+struct detailed_data_string {
+ u8 str[13];
+} __attribute__((packed));
+
+struct detailed_data_monitor_range {
+ u8 min_vfreq;
+ u8 max_vfreq;
+ u8 min_hfreq_khz;
+ u8 max_hfreq_khz;
+ u8 pixel_clock_mhz; /* need to multiply by 10 */
+ __le16 sec_gtf_toggle; /* A000=use above, 20=use below */
+ u8 hfreq_start_khz; /* need to multiply by 2 */
+ u8 c; /* need to divide by 2 */
+ __le16 m;
+ u8 k;
+ u8 j; /* need to divide by 2 */
+} __attribute__((packed));
+
+struct detailed_data_wpindex {
+ u8 white_yx_lo; /* Lower 2 bits each */
+ u8 white_x_hi;
+ u8 white_y_hi;
+ u8 gamma; /* need to divide by 100 then add 1 */
+} __attribute__((packed));
+
+struct detailed_data_color_point {
+ u8 windex1;
+ u8 wpindex1[3];
+ u8 windex2;
+ u8 wpindex2[3];
+} __attribute__((packed));
+
+struct cvt_timing {
+ u8 code[3];
+} __attribute__((packed));
+
+struct detailed_non_pixel {
+ u8 pad1;
+ u8 type; /* ff=serial, fe=string, fd=monitor range, fc=monitor name
+ fb=color point data, fa=standard timing data,
+ f9=undefined, f8=mfg. reserved */
+ u8 pad2;
+ union {
+ struct detailed_data_string str;
+ struct detailed_data_monitor_range range;
+ struct detailed_data_wpindex color;
+ struct std_timing timings[6];
+ struct cvt_timing cvt[4];
+ } data;
+} __attribute__((packed));
+
+#define EDID_DETAIL_EST_TIMINGS 0xf7
+#define EDID_DETAIL_CVT_3BYTE 0xf8
+#define EDID_DETAIL_COLOR_MGMT_DATA 0xf9
+#define EDID_DETAIL_STD_MODES 0xfa
+#define EDID_DETAIL_MONITOR_CPDATA 0xfb
+#define EDID_DETAIL_MONITOR_NAME 0xfc
+#define EDID_DETAIL_MONITOR_RANGE 0xfd
+#define EDID_DETAIL_MONITOR_STRING 0xfe
+#define EDID_DETAIL_MONITOR_SERIAL 0xff
+
+struct detailed_timing {
+ __le16 pixel_clock; /* need to multiply by 10 KHz */
+ union {
+ struct detailed_pixel_timing pixel_data;
+ struct detailed_non_pixel other_data;
+ } data;
+} __attribute__((packed));
+
+#define DRM_EDID_INPUT_SERRATION_VSYNC (1 << 0)
+#define DRM_EDID_INPUT_SYNC_ON_GREEN (1 << 1)
+#define DRM_EDID_INPUT_COMPOSITE_SYNC (1 << 2)
+#define DRM_EDID_INPUT_SEPARATE_SYNCS (1 << 3)
+#define DRM_EDID_INPUT_BLANK_TO_BLACK (1 << 4)
+#define DRM_EDID_INPUT_VIDEO_LEVEL (3 << 5)
+#define DRM_EDID_INPUT_DIGITAL (1 << 7)
+#define DRM_EDID_DIGITAL_DEPTH_MASK (7 << 4)
+#define DRM_EDID_DIGITAL_DEPTH_UNDEF (0 << 4)
+#define DRM_EDID_DIGITAL_DEPTH_6 (1 << 4)
+#define DRM_EDID_DIGITAL_DEPTH_8 (2 << 4)
+#define DRM_EDID_DIGITAL_DEPTH_10 (3 << 4)
+#define DRM_EDID_DIGITAL_DEPTH_12 (4 << 4)
+#define DRM_EDID_DIGITAL_DEPTH_14 (5 << 4)
+#define DRM_EDID_DIGITAL_DEPTH_16 (6 << 4)
+#define DRM_EDID_DIGITAL_DEPTH_RSVD (7 << 4)
+#define DRM_EDID_DIGITAL_TYPE_UNDEF (0)
+#define DRM_EDID_DIGITAL_TYPE_DVI (1)
+#define DRM_EDID_DIGITAL_TYPE_HDMI_A (2)
+#define DRM_EDID_DIGITAL_TYPE_HDMI_B (3)
+#define DRM_EDID_DIGITAL_TYPE_MDDI (4)
+#define DRM_EDID_DIGITAL_TYPE_DP (5)
+
+#define DRM_EDID_FEATURE_DEFAULT_GTF (1 << 0)
+#define DRM_EDID_FEATURE_PREFERRED_TIMING (1 << 1)
+#define DRM_EDID_FEATURE_STANDARD_COLOR (1 << 2)
+/* If analog */
+#define DRM_EDID_FEATURE_DISPLAY_TYPE (3 << 3) /* 00=mono, 01=rgb, 10=non-rgb, 11=unknown */
+/* If digital */
+#define DRM_EDID_FEATURE_COLOR_MASK (3 << 3)
+#define DRM_EDID_FEATURE_RGB (0 << 3)
+#define DRM_EDID_FEATURE_RGB_YCRCB444 (1 << 3)
+#define DRM_EDID_FEATURE_RGB_YCRCB422 (2 << 3)
+#define DRM_EDID_FEATURE_RGB_YCRCB (3 << 3) /* both 4:4:4 and 4:2:2 */
+
+#define DRM_EDID_FEATURE_PM_ACTIVE_OFF (1 << 5)
+#define DRM_EDID_FEATURE_PM_SUSPEND (1 << 6)
+#define DRM_EDID_FEATURE_PM_STANDBY (1 << 7)
+
+struct edid {
+ u8 header[8];
+ /* Vendor & product info */
+ u8 mfg_id[2];
+ u8 prod_code[2];
+ u32 serial; /* FIXME: byte order */
+ u8 mfg_week;
+ u8 mfg_year;
+ /* EDID version */
+ u8 version;
+ u8 revision;
+ /* Display info: */
+ u8 input;
+ u8 width_cm;
+ u8 height_cm;
+ u8 gamma;
+ u8 features;
+ /* Color characteristics */
+ u8 red_green_lo;
+ u8 black_white_lo;
+ u8 red_x;
+ u8 red_y;
+ u8 green_x;
+ u8 green_y;
+ u8 blue_x;
+ u8 blue_y;
+ u8 white_x;
+ u8 white_y;
+ /* Est. timings and mfg rsvd timings*/
+ struct est_timings established_timings;
+ /* Standard timings 1-8*/
+ struct std_timing standard_timings[8];
+ /* Detailing timings 1-4 */
+ struct detailed_timing detailed_timings[4];
+ /* Number of 128 byte ext. blocks */
+ u8 extensions;
+ /* Checksum */
+ u8 checksum;
+} __attribute__((packed));
+
+#define EDID_PRODUCT_ID(e) ((e)->prod_code[0] | ((e)->prod_code[1] << 8))
+
+struct drm_encoder;
+struct drm_connector;
+struct drm_display_mode;
+void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid);
+int drm_av_sync_delay(struct drm_connector *connector,
+ struct drm_display_mode *mode);
+struct drm_connector *drm_select_eld(struct drm_encoder *encoder,
+ struct drm_display_mode *mode);
+int drm_load_edid_firmware(struct drm_connector *connector);
+
+#endif /* __DRM_EDID_H__ */