| 1 | |
| 2 | * Copyright (c) 2016 Intel Corporation
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| 3 | *
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| 4 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 5 | * documentation for any purpose is hereby granted without fee, provided that
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| 6 | * the above copyright notice appear in all copies and that both that copyright
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| 7 | * notice and this permission notice appear in supporting documentation, and
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| 8 | * that the name of the copyright holders not be used in advertising or
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| 9 | * publicity pertaining to distribution of the software without specific,
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| 10 | * written prior permission. The copyright holders make no representations
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| 11 | * about the suitability of this software for any purpose. It is provided "as
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| 12 | * is" without express or implied warranty.
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| 13 | *
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| 14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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| 16 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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| 20 | * OF THIS SOFTWARE.
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| 21 |
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| 22 |
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| 23 | #ifndef __DRM_CONNECTOR_H__
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| 24 | #define __DRM_CONNECTOR_H__
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| 25 |
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| 26 | #include <linux/list.h>
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| 27 | #include <linux/llist.h>
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| 28 | #include <linux/ctype.h>
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| 29 | #include <linux/hdmi.h>
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| 30 | #include <linux/notifier.h>
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| 31 | #include <drm/drm_mode_object.h>
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| 32 | #include <drm/drm_util.h>
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| 33 | #include <drm/drm_property.h>
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| 34 |
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| 35 | #include <uapi/drm/drm_mode.h>
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| 36 |
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| 37 | struct drm_connector_helper_funcs;
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| 38 | struct drm_modeset_acquire_ctx;
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| 39 | struct drm_device;
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| 40 | struct drm_crtc;
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| 41 | struct drm_display_mode;
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| 42 | struct drm_encoder;
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| 43 | struct drm_panel;
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| 44 | struct drm_property;
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| 45 | struct drm_property_blob;
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| 46 | struct drm_printer;
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| 47 | struct drm_privacy_screen;
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| 48 | struct drm_edid;
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| 49 | struct edid;
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| 50 | struct hdmi_codec_daifmt;
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| 51 | struct hdmi_codec_params;
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| 52 | struct i2c_adapter;
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| 53 |
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| 54 | enum drm_connector_force {
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| 55 | DRM_FORCE_UNSPECIFIED,
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| 56 | DRM_FORCE_OFF,
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| 57 | DRM_FORCE_ON,
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| 58 | DRM_FORCE_ON_DIGITAL,
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| 59 | };
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| 60 |
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| 61 | |
| 62 | * enum drm_connector_status - status for a &drm_connector
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| 63 | *
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| 64 | * This enum is used to track the connector status. There are no separate
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| 65 | * #defines for the uapi!
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| 66 |
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| 67 | enum drm_connector_status {
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| 68 | |
| 69 | * @connector_status_connected: The connector is definitely connected to
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| 70 | * a sink device, and can be enabled.
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| 71 |
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| 72 | connector_status_connected = 1,
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| 73 | |
| 74 | * @connector_status_disconnected: The connector isn't connected to a
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| 75 | * sink device which can be autodetect. For digital outputs like DP or
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| 76 | * HDMI (which can be realiable probed) this means there's really
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| 77 | * nothing there. It is driver-dependent whether a connector with this
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| 78 | * status can be lit up or not.
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| 79 |
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| 80 | connector_status_disconnected = 2,
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| 81 | |
| 82 | * @connector_status_unknown: The connector's status could not be
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| 83 | * reliably detected. This happens when probing would either cause
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| 84 | * flicker (like load-detection when the connector is in use), or when a
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| 85 | * hardware resource isn't available (like when load-detection needs a
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| 86 | * free CRTC). It should be possible to light up the connector with one
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| 87 | * of the listed fallback modes. For default configuration userspace
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| 88 | * should only try to light up connectors with unknown status when
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| 89 | * there's not connector with @connector_status_connected.
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| 90 |
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| 91 | connector_status_unknown = 3,
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| 92 | };
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| 93 |
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| 94 | |
| 95 | * enum drm_connector_registration_state - userspace registration status for
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| 96 | * a &drm_connector
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| 97 | *
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| 98 | * This enum is used to track the status of initializing a connector and
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| 99 | * registering it with userspace, so that DRM can prevent bogus modesets on
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| 100 | * connectors that no longer exist.
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| 101 |
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| 102 | enum drm_connector_registration_state {
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| 103 | |
| 104 | * @DRM_CONNECTOR_INITIALIZING: The connector has just been created,
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| 105 | * but has yet to be exposed to userspace. There should be no
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| 106 | * additional restrictions to how the state of this connector may be
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| 107 | * modified.
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| 108 |
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| 109 | DRM_CONNECTOR_INITIALIZING = 0,
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| 110 |
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| 111 | |
| 112 | * @DRM_CONNECTOR_REGISTERED: The connector has been fully initialized
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| 113 | * and registered with sysfs, as such it has been exposed to
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| 114 | * userspace. There should be no additional restrictions to how the
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| 115 | * state of this connector may be modified.
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| 116 |
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| 117 | DRM_CONNECTOR_REGISTERED = 1,
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| 118 |
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| 119 | |
| 120 | * @DRM_CONNECTOR_UNREGISTERED: The connector has either been exposed
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| 121 | * to userspace and has since been unregistered and removed from
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| 122 | * userspace, or the connector was unregistered before it had a chance
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| 123 | * to be exposed to userspace (e.g. still in the
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| 124 | * @DRM_CONNECTOR_INITIALIZING state). When a connector is
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| 125 | * unregistered, there are additional restrictions to how its state
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| 126 | * may be modified:
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| 127 | *
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| 128 | * - An unregistered connector may only have its DPMS changed from
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| 129 | * On->Off. Once DPMS is changed to Off, it may not be switched back
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| 130 | * to On.
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| 131 | * - Modesets are not allowed on unregistered connectors, unless they
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| 132 | * would result in disabling its assigned CRTCs. This means
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| 133 | * disabling a CRTC on an unregistered connector is OK, but enabling
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| 134 | * one is not.
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| 135 | * - Removing a CRTC from an unregistered connector is OK, but new
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| 136 | * CRTCs may never be assigned to an unregistered connector.
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| 137 |
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| 138 | DRM_CONNECTOR_UNREGISTERED = 2,
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| 139 | };
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| 140 |
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| 141 | enum subpixel_order {
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| 142 | SubPixelUnknown = 0,
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| 143 | SubPixelHorizontalRGB,
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| 144 | SubPixelHorizontalBGR,
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| 145 | SubPixelVerticalRGB,
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| 146 | SubPixelVerticalBGR,
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| 147 | SubPixelNone,
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| 148 |
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| 149 | };
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| 150 |
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| 151 | |
| 152 | * enum drm_connector_tv_mode - Analog TV output mode
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| 153 | *
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| 154 | * This enum is used to indicate the TV output mode used on an analog TV
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| 155 | * connector.
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| 156 | *
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| 157 | * WARNING: The values of this enum is uABI since they're exposed in the
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| 158 | * "TV mode" connector property.
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| 159 |
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| 160 | enum drm_connector_tv_mode {
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| 161 | |
| 162 | * @DRM_MODE_TV_MODE_NTSC: CCIR System M (aka 525-lines)
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| 163 | * together with the NTSC Color Encoding.
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| 164 |
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| 165 | DRM_MODE_TV_MODE_NTSC,
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| 166 |
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| 167 | |
| 168 | * @DRM_MODE_TV_MODE_NTSC_443: Variant of
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| 169 | * @DRM_MODE_TV_MODE_NTSC. Uses a color subcarrier frequency
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| 170 | * of 4.43 MHz.
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| 171 |
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| 172 | DRM_MODE_TV_MODE_NTSC_443,
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| 173 |
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| 174 | |
| 175 | * @DRM_MODE_TV_MODE_NTSC_J: Variant of @DRM_MODE_TV_MODE_NTSC
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| 176 | * used in Japan. Uses a black level equals to the blanking
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| 177 | * level.
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| 178 |
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| 179 | DRM_MODE_TV_MODE_NTSC_J,
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| 180 |
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| 181 | |
| 182 | * @DRM_MODE_TV_MODE_PAL: CCIR System B together with the PAL
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| 183 | * color system.
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| 184 |
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| 185 | DRM_MODE_TV_MODE_PAL,
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| 186 |
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| 187 | |
| 188 | * @DRM_MODE_TV_MODE_PAL_M: CCIR System M (aka 525-lines)
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| 189 | * together with the PAL color encoding
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| 190 |
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| 191 | DRM_MODE_TV_MODE_PAL_M,
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| 192 |
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| 193 | |
| 194 | * @DRM_MODE_TV_MODE_PAL_N: CCIR System N together with the PAL
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| 195 | * color encoding. It uses 625 lines, but has a color subcarrier
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| 196 | * frequency of 3.58MHz, the SECAM color space, and narrower
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| 197 | * channels compared to most of the other PAL variants.
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| 198 |
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| 199 | DRM_MODE_TV_MODE_PAL_N,
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| 200 |
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| 201 | |
| 202 | * @DRM_MODE_TV_MODE_SECAM: CCIR System B together with the
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| 203 | * SECAM color system.
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| 204 |
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| 205 | DRM_MODE_TV_MODE_SECAM,
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| 206 |
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| 207 | |
| 208 | * @DRM_MODE_TV_MODE_MONOCHROME: Use timings appropriate to
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| 209 | * the DRM mode, including equalizing pulses for a 525-line
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| 210 | * or 625-line mode, with no pedestal or color encoding.
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| 211 |
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| 212 | DRM_MODE_TV_MODE_MONOCHROME,
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| 213 |
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| 214 | |
| 215 | * @DRM_MODE_TV_MODE_MAX: Number of analog TV output modes.
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| 216 | *
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| 217 | * Internal implementation detail; this is not uABI.
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| 218 |
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| 219 | DRM_MODE_TV_MODE_MAX,
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| 220 | };
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| 221 |
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| 222 | |
| 223 | * struct drm_scrambling: sink's scrambling support.
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| 224 |
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| 225 | struct drm_scrambling {
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| 226 | |
| 227 | * @supported: scrambling supported for rates > 340 Mhz.
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| 228 |
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| 229 | bool supported;
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| 230 | |
| 231 | * @low_rates: scrambling supported for rates <= 340 Mhz.
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| 232 |
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| 233 | bool low_rates;
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| 234 | };
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| 235 |
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| 236 | |
| 237 | * struct drm_scdc - Information about scdc capabilities of a HDMI 2.0 sink
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| 238 | *
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| 239 | * Provides SCDC register support and capabilities related information on a
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| 240 | * HDMI 2.0 sink. In case of a HDMI 1.4 sink, all parameter must be 0.
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| 241 |
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| 242 | struct drm_scdc {
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| 243 | |
| 244 | * @supported: status control & data channel present.
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| 245 |
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| 246 | bool supported;
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| 247 | |
| 248 | * @read_request: sink is capable of generating scdc read request.
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| 249 |
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| 250 | bool read_request;
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| 251 | |
| 252 | * @scrambling: sink's scrambling capabilities
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| 253 |
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| 254 | struct drm_scrambling scrambling;
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| 255 | };
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| 256 |
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| 257 | |
| 258 | * struct drm_hdmi_dsc_cap - DSC capabilities of HDMI sink
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| 259 | *
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| 260 | * Describes the DSC support provided by HDMI 2.1 sink.
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| 261 | * The information is fetched fom additional HFVSDB blocks defined
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| 262 | * for HDMI 2.1.
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| 263 |
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| 264 | struct drm_hdmi_dsc_cap {
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| 265 |
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| 266 | bool v_1p2;
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| 267 |
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| 268 |
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| 269 | bool native_420;
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| 270 |
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| 271 | |
| 272 | * @all_bpp: Does sink support all bpp with 4:4:4: or 4:2:2
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| 273 | * compressed formats
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| 274 |
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| 275 | bool all_bpp;
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| 276 |
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| 277 | |
| 278 | * @bpc_supported: compressed bpc supported by sink : 10, 12 or 16 bpc
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| 279 |
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| 280 | u8 bpc_supported;
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| 281 |
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| 282 |
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| 283 | u8 max_slices;
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| 284 |
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| 285 |
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| 286 | int clk_per_slice;
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| 287 |
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| 288 |
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| 289 | u8 max_lanes;
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| 290 |
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| 291 |
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| 292 | u8 max_frl_rate_per_lane;
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| 293 |
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| 294 |
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| 295 | u8 total_chunk_kbytes;
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| 296 | };
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| 297 |
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| 298 | |
| 299 | * struct drm_hdmi_info - runtime information about the connected HDMI sink
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| 300 | *
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| 301 | * Describes if a given display supports advanced HDMI 2.0 features.
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| 302 | * This information is available in CEA-861-F extension blocks (like HF-VSDB).
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| 303 |
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| 304 | struct drm_hdmi_info {
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| 305 |
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| 306 | struct drm_scdc scdc;
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| 307 |
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| 308 | |
| 309 | * @y420_vdb_modes: bitmap of modes which can support ycbcr420
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| 310 | * output only (not normal RGB/YCBCR444/422 outputs). The max VIC
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| 311 | * defined by the CEA-861-G spec is 219, so the size is 256 bits to map
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| 312 | * up to 256 VICs.
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| 313 |
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| 314 | unsigned long y420_vdb_modes[BITS_TO_LONGS(256)];
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| 315 |
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| 316 | |
| 317 | * @y420_cmdb_modes: bitmap of modes which can support ycbcr420
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| 318 | * output also, along with normal HDMI outputs. The max VIC defined by
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| 319 | * the CEA-861-G spec is 219, so the size is 256 bits to map up to 256
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| 320 | * VICs.
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| 321 |
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| 322 | unsigned long y420_cmdb_modes[BITS_TO_LONGS(256)];
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| 323 |
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| 324 |
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| 325 | u8 y420_dc_modes;
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| 326 |
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| 327 |
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| 328 | u8 max_frl_rate_per_lane;
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| 329 |
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| 330 |
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| 331 | u8 max_lanes;
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| 332 |
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| 333 |
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| 334 | struct drm_hdmi_dsc_cap dsc_cap;
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| 335 | };
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| 336 |
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| 337 | |
| 338 | * enum drm_link_status - connector's link_status property value
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| 339 | *
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| 340 | * This enum is used as the connector's link status property value.
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| 341 | * It is set to the values defined in uapi.
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| 342 | *
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| 343 | * @DRM_LINK_STATUS_GOOD: DP Link is Good as a result of successful
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| 344 | * link training
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| 345 | * @DRM_LINK_STATUS_BAD: DP Link is BAD as a result of link training
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| 346 | * failure
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| 347 |
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| 348 | enum drm_link_status {
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| 349 | DRM_LINK_STATUS_GOOD = DRM_MODE_LINK_STATUS_GOOD,
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| 350 | DRM_LINK_STATUS_BAD = DRM_MODE_LINK_STATUS_BAD,
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| 351 | };
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| 352 |
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| 353 | |
| 354 | * enum drm_panel_orientation - panel_orientation info for &drm_display_info
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| 355 | *
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| 356 | * This enum is used to track the (LCD) panel orientation. There are no
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| 357 | * separate #defines for the uapi!
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| 358 | *
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| 359 | * @DRM_MODE_PANEL_ORIENTATION_UNKNOWN: The drm driver has not provided any
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| 360 | * panel orientation information (normal
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| 361 | * for non panels) in this case the "panel
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| 362 | * orientation" connector prop will not be
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| 363 | * attached.
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| 364 | * @DRM_MODE_PANEL_ORIENTATION_NORMAL: The top side of the panel matches the
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| 365 | * top side of the device's casing.
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| 366 | * @DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP: The top side of the panel matches the
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| 367 | * bottom side of the device's casing, iow
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| 368 | * the panel is mounted upside-down.
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| 369 | * @DRM_MODE_PANEL_ORIENTATION_LEFT_UP: The left side of the panel matches the
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| 370 | * top side of the device's casing.
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| 371 | * @DRM_MODE_PANEL_ORIENTATION_RIGHT_UP: The right side of the panel matches the
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| 372 | * top side of the device's casing.
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| 373 |
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| 374 | enum drm_panel_orientation {
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| 375 | DRM_MODE_PANEL_ORIENTATION_UNKNOWN = -1,
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| 376 | DRM_MODE_PANEL_ORIENTATION_NORMAL = 0,
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| 377 | DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP,
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| 378 | DRM_MODE_PANEL_ORIENTATION_LEFT_UP,
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| 379 | DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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| 380 | };
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| 381 |
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| 382 | |
| 383 | * enum drm_hdmi_broadcast_rgb - Broadcast RGB Selection for an HDMI @drm_connector
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| 384 |
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| 385 | enum drm_hdmi_broadcast_rgb {
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| 386 | |
| 387 | * @DRM_HDMI_BROADCAST_RGB_AUTO: The RGB range is selected
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| 388 | * automatically based on the mode.
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| 389 |
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| 390 | DRM_HDMI_BROADCAST_RGB_AUTO,
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| 391 |
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| 392 | |
| 393 | * @DRM_HDMI_BROADCAST_RGB_FULL: Full range RGB is forced.
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| 394 |
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| 395 | DRM_HDMI_BROADCAST_RGB_FULL,
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| 396 |
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| 397 | |
| 398 | * @DRM_HDMI_BROADCAST_RGB_LIMITED: Limited range RGB is forced.
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| 399 |
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| 400 | DRM_HDMI_BROADCAST_RGB_LIMITED,
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| 401 | };
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| 402 |
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| 403 | const char *
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| 404 | drm_hdmi_connector_get_broadcast_rgb_name(enum drm_hdmi_broadcast_rgb broadcast_rgb);
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| 405 |
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| 406 | |
| 407 | * struct drm_monitor_range_info - Panel's Monitor range in EDID for
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| 408 | * &drm_display_info
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| 409 | *
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| 410 | * This struct is used to store a frequency range supported by panel
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| 411 | * as parsed from EDID's detailed monitor range descriptor block.
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| 412 | *
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| 413 | * @min_vfreq: This is the min supported refresh rate in Hz from
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| 414 | * EDID's detailed monitor range.
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| 415 | * @max_vfreq: This is the max supported refresh rate in Hz from
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| 416 | * EDID's detailed monitor range
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| 417 |
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| 418 | struct drm_monitor_range_info {
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| 419 | u16 min_vfreq;
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| 420 | u16 max_vfreq;
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| 421 | };
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| 422 |
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| 423 | |
| 424 | * struct drm_luminance_range_info - Panel's luminance range for
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| 425 | * &drm_display_info. Calculated using data in EDID
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| 426 | *
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| 427 | * This struct is used to store a luminance range supported by panel
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| 428 | * as calculated using data from EDID's static hdr metadata.
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| 429 | *
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| 430 | * @min_luminance: This is the min supported luminance value
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| 431 | *
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| 432 | * @max_luminance: This is the max supported luminance value
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| 433 |
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| 434 | struct drm_luminance_range_info {
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| 435 | u32 min_luminance;
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| 436 | u32 max_luminance;
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| 437 | };
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| 438 |
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| 439 | |
| 440 | * enum drm_privacy_screen_status - privacy screen status
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| 441 | *
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| 442 | * This enum is used to track and control the state of the integrated privacy
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| 443 | * screen present on some display panels, via the "privacy-screen sw-state"
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| 444 | * and "privacy-screen hw-state" properties. Note the _LOCKED enum values
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| 445 | * are only valid for the "privacy-screen hw-state" property.
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| 446 | *
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| 447 | * @PRIVACY_SCREEN_DISABLED:
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| 448 | * The privacy-screen on the panel is disabled
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| 449 | * @PRIVACY_SCREEN_ENABLED:
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| 450 | * The privacy-screen on the panel is enabled
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| 451 | * @PRIVACY_SCREEN_DISABLED_LOCKED:
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| 452 | * The privacy-screen on the panel is disabled and locked (cannot be changed)
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| 453 | * @PRIVACY_SCREEN_ENABLED_LOCKED:
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| 454 | * The privacy-screen on the panel is enabled and locked (cannot be changed)
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| 455 |
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| 456 | enum drm_privacy_screen_status {
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| 457 | PRIVACY_SCREEN_DISABLED = 0,
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| 458 | PRIVACY_SCREEN_ENABLED,
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| 459 | PRIVACY_SCREEN_DISABLED_LOCKED,
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| 460 | PRIVACY_SCREEN_ENABLED_LOCKED,
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| 461 | };
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| 462 |
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| 463 | |
| 464 | * enum drm_colorspace - color space
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| 465 | *
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| 466 | * This enum is a consolidated colorimetry list supported by HDMI and
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| 467 | * DP protocol standard. The respective connectors will register
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| 468 | * a property with the subset of this list (supported by that
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| 469 | * respective protocol). Userspace will set the colorspace through
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| 470 | * a colorspace property which will be created and exposed to
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| 471 | * userspace.
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| 472 | *
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| 473 | * DP definitions come from the DP v2.0 spec
|
| 474 | * HDMI definitions come from the CTA-861-H spec
|
| 475 | *
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| 476 | * @DRM_MODE_COLORIMETRY_DEFAULT:
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| 477 | * Driver specific behavior.
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| 478 | * @DRM_MODE_COLORIMETRY_NO_DATA:
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| 479 | * Driver specific behavior.
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| 480 | * @DRM_MODE_COLORIMETRY_SMPTE_170M_YCC:
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| 481 | * (HDMI)
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| 482 | * SMPTE ST 170M colorimetry format
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| 483 | * @DRM_MODE_COLORIMETRY_BT709_YCC:
|
| 484 | * (HDMI, DP)
|
| 485 | * ITU-R BT.709 colorimetry format
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| 486 | * @DRM_MODE_COLORIMETRY_XVYCC_601:
|
| 487 | * (HDMI, DP)
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| 488 | * xvYCC601 colorimetry format
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| 489 | * @DRM_MODE_COLORIMETRY_XVYCC_709:
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| 490 | * (HDMI, DP)
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| 491 | * xvYCC709 colorimetry format
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| 492 | * @DRM_MODE_COLORIMETRY_SYCC_601:
|
| 493 | * (HDMI, DP)
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| 494 | * sYCC601 colorimetry format
|
| 495 | * @DRM_MODE_COLORIMETRY_OPYCC_601:
|
| 496 | * (HDMI, DP)
|
| 497 | * opYCC601 colorimetry format
|
| 498 | * @DRM_MODE_COLORIMETRY_OPRGB:
|
| 499 | * (HDMI, DP)
|
| 500 | * opRGB colorimetry format
|
| 501 | * @DRM_MODE_COLORIMETRY_BT2020_CYCC:
|
| 502 | * (HDMI, DP)
|
| 503 | * ITU-R BT.2020 Y'c C'bc C'rc (constant luminance) colorimetry format
|
| 504 | * @DRM_MODE_COLORIMETRY_BT2020_RGB:
|
| 505 | * (HDMI, DP)
|
| 506 | * ITU-R BT.2020 R' G' B' colorimetry format
|
| 507 | * @DRM_MODE_COLORIMETRY_BT2020_YCC:
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| 508 | * (HDMI, DP)
|
| 509 | * ITU-R BT.2020 Y' C'b C'r colorimetry format
|
| 510 | * @DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65:
|
| 511 | * (HDMI)
|
| 512 | * SMPTE ST 2113 P3D65 colorimetry format
|
| 513 | * @DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER:
|
| 514 | * (HDMI)
|
| 515 | * SMPTE ST 2113 P3DCI colorimetry format
|
| 516 | * @DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED:
|
| 517 | * (DP)
|
| 518 | * RGB wide gamut fixed point colorimetry format
|
| 519 | * @DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT:
|
| 520 | * (DP)
|
| 521 | * RGB wide gamut floating point
|
| 522 | * (scRGB (IEC 61966-2-2)) colorimetry format
|
| 523 | * @DRM_MODE_COLORIMETRY_BT601_YCC:
|
| 524 | * (DP)
|
| 525 | * ITU-R BT.601 colorimetry format
|
| 526 | * The DP spec does not say whether this is the 525 or the 625
|
| 527 | * line version.
|
| 528 | * @DRM_MODE_COLORIMETRY_COUNT:
|
| 529 | * Not a valid value; merely used four counting
|
| 530 |
|
| 531 | enum drm_colorspace {
|
| 532 |
|
| 533 | DRM_MODE_COLORIMETRY_DEFAULT = 0,
|
| 534 |
|
| 535 | DRM_MODE_COLORIMETRY_NO_DATA = 0,
|
| 536 | DRM_MODE_COLORIMETRY_SMPTE_170M_YCC = 1,
|
| 537 | DRM_MODE_COLORIMETRY_BT709_YCC = 2,
|
| 538 |
|
| 539 | DRM_MODE_COLORIMETRY_XVYCC_601 = 3,
|
| 540 | DRM_MODE_COLORIMETRY_XVYCC_709 = 4,
|
| 541 | DRM_MODE_COLORIMETRY_SYCC_601 = 5,
|
| 542 | DRM_MODE_COLORIMETRY_OPYCC_601 = 6,
|
| 543 | DRM_MODE_COLORIMETRY_OPRGB = 7,
|
| 544 | DRM_MODE_COLORIMETRY_BT2020_CYCC = 8,
|
| 545 | DRM_MODE_COLORIMETRY_BT2020_RGB = 9,
|
| 546 | DRM_MODE_COLORIMETRY_BT2020_YCC = 10,
|
| 547 |
|
| 548 | DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65 = 11,
|
| 549 | DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER = 12,
|
| 550 |
|
| 551 | DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED = 13,
|
| 552 | DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT = 14,
|
| 553 | DRM_MODE_COLORIMETRY_BT601_YCC = 15,
|
| 554 | DRM_MODE_COLORIMETRY_COUNT
|
| 555 | };
|
| 556 |
|
| 557 | |
| 558 | * enum drm_output_color_format - Output Color Format
|
| 559 | *
|
| 560 | * This enum is a consolidated color format list supported by
|
| 561 | * connectors. It's only ever really been used for HDMI and DP so far,
|
| 562 | * so it's not exhaustive and can be extended to represent other formats
|
| 563 | * in the future.
|
| 564 | *
|
| 565 | *
|
| 566 | * @DRM_OUTPUT_COLOR_FORMAT_RGB444:
|
| 567 | * RGB output format
|
| 568 | * @DRM_OUTPUT_COLOR_FORMAT_YCBCR444:
|
| 569 | * YCbCr 4:4:4 output format (ie. not subsampled)
|
| 570 | * @DRM_OUTPUT_COLOR_FORMAT_YCBCR422:
|
| 571 | * YCbCr 4:2:2 output format (ie. with horizontal subsampling)
|
| 572 | * @DRM_OUTPUT_COLOR_FORMAT_YCBCR420:
|
| 573 | * YCbCr 4:2:0 output format (ie. with horizontal and vertical subsampling)
|
| 574 | * @DRM_OUTPUT_COLOR_FORMAT_COUNT:
|
| 575 | * Number of valid output color format values in this enum
|
| 576 |
|
| 577 | enum drm_output_color_format {
|
| 578 | DRM_OUTPUT_COLOR_FORMAT_RGB444 = 0,
|
| 579 | DRM_OUTPUT_COLOR_FORMAT_YCBCR444,
|
| 580 | DRM_OUTPUT_COLOR_FORMAT_YCBCR422,
|
| 581 | DRM_OUTPUT_COLOR_FORMAT_YCBCR420,
|
| 582 | DRM_OUTPUT_COLOR_FORMAT_COUNT,
|
| 583 | };
|
| 584 |
|
| 585 | |
| 586 | * enum drm_connector_color_format - Connector Color Format Request
|
| 587 | *
|
| 588 | * This enum, unlike &enum drm_output_color_format, is used to specify requests
|
| 589 | * for a specific color format on a connector through the DRM "color format"
|
| 590 | * property. The difference is that it has an "AUTO" value to specify that
|
| 591 | * no specific choice has been made.
|
| 592 |
|
| 593 | enum drm_connector_color_format {
|
| 594 | |
| 595 | * @DRM_CONNECTOR_COLOR_FORMAT_AUTO: The driver or display protocol
|
| 596 | * helpers should pick a suitable color format. All implementations of a
|
| 597 | * specific display protocol must behave the same way with "AUTO", but
|
| 598 | * different display protocols do not necessarily have the same "AUTO"
|
| 599 | * semantics.
|
| 600 | *
|
| 601 | * For HDMI, "AUTO" picks RGB, but falls back to YCbCr 4:2:0 if the
|
| 602 | * bandwidth required for full-scale RGB is not available, or the mode
|
| 603 | * is YCbCr 4:2:0-only, as long as the mode and output both support
|
| 604 | * YCbCr 4:2:0.
|
| 605 | *
|
| 606 | * For display protocols other than HDMI, the recursive bridge chain
|
| 607 | * format selection picks the first chain of bridge formats that works,
|
| 608 | * as has already been the case before the introduction of the "color
|
| 609 | * format" property. Non-HDMI bridges should therefore either sort their
|
| 610 | * bus output formats by preference, or agree on a unified auto format
|
| 611 | * selection logic that's implemented in a common state helper (like
|
| 612 | * how HDMI does it).
|
| 613 |
|
| 614 | DRM_CONNECTOR_COLOR_FORMAT_AUTO = 0,
|
| 615 |
|
| 616 | |
| 617 | * @DRM_CONNECTOR_COLOR_FORMAT_RGB444: RGB output format. The
|
| 618 | * quantization range depends on the value of the "Broadcast RGB"
|
| 619 | * property if it is present on the connector.
|
| 620 |
|
| 621 | DRM_CONNECTOR_COLOR_FORMAT_RGB444,
|
| 622 |
|
| 623 | |
| 624 | * @DRM_CONNECTOR_COLOR_FORMAT_YCBCR444: YCbCr 4:4:4 output format (ie.
|
| 625 | * not subsampled). Quantization range is "Limited" by default.
|
| 626 |
|
| 627 | DRM_CONNECTOR_COLOR_FORMAT_YCBCR444,
|
| 628 |
|
| 629 | |
| 630 | * @DRM_CONNECTOR_COLOR_FORMAT_YCBCR422: YCbCr 4:2:2 output format (ie.
|
| 631 | * with horizontal subsampling). Quantization range is "Limited" by
|
| 632 | * default.
|
| 633 |
|
| 634 | DRM_CONNECTOR_COLOR_FORMAT_YCBCR422,
|
| 635 |
|
| 636 | |
| 637 | * @DRM_CONNECTOR_COLOR_FORMAT_YCBCR420: YCbCr 4:2:0 output format (ie.
|
| 638 | * with horizontal and vertical subsampling). Quantization range is
|
| 639 | * "Limited" by default.
|
| 640 |
|
| 641 | DRM_CONNECTOR_COLOR_FORMAT_YCBCR420,
|
| 642 |
|
| 643 | |
| 644 | * @DRM_CONNECTOR_COLOR_FORMAT_COUNT: Number of valid connector color
|
| 645 | * format values in this enum
|
| 646 |
|
| 647 | DRM_CONNECTOR_COLOR_FORMAT_COUNT,
|
| 648 | };
|
| 649 |
|
| 650 | const char *
|
| 651 | drm_hdmi_connector_get_output_format_name(enum drm_output_color_format fmt);
|
| 652 |
|
| 653 | |
| 654 | * enum drm_bus_flags - bus_flags info for &drm_display_info
|
| 655 | *
|
| 656 | * This enum defines signal polarities and clock edge information for signals on
|
| 657 | * a bus as bitmask flags.
|
| 658 | *
|
| 659 | * The clock edge information is conveyed by two sets of symbols,
|
| 660 | * DRM_BUS_FLAGS_*_DRIVE_\* and DRM_BUS_FLAGS_*_SAMPLE_\*. When this enum is
|
| 661 | * used to describe a bus from the point of view of the transmitter, the
|
| 662 | * \*_DRIVE_\* flags should be used. When used from the point of view of the
|
| 663 | * receiver, the \*_SAMPLE_\* flags should be used. The \*_DRIVE_\* and
|
| 664 | * \*_SAMPLE_\* flags alias each other, with the \*_SAMPLE_POSEDGE and
|
| 665 | * \*_SAMPLE_NEGEDGE flags being equal to \*_DRIVE_NEGEDGE and \*_DRIVE_POSEDGE
|
| 666 | * respectively. This simplifies code as signals are usually sampled on the
|
| 667 | * opposite edge of the driving edge. Transmitters and receivers may however
|
| 668 | * need to take other signal timings into account to convert between driving
|
| 669 | * and sample edges.
|
| 670 |
|
| 671 | enum drm_bus_flags {
|
| 672 | |
| 673 | * @DRM_BUS_FLAG_DE_LOW:
|
| 674 | *
|
| 675 | * The Data Enable signal is active low
|
| 676 |
|
| 677 | DRM_BUS_FLAG_DE_LOW = BIT(0),
|
| 678 |
|
| 679 | |
| 680 | * @DRM_BUS_FLAG_DE_HIGH:
|
| 681 | *
|
| 682 | * The Data Enable signal is active high
|
| 683 |
|
| 684 | DRM_BUS_FLAG_DE_HIGH = BIT(1),
|
| 685 |
|
| 686 | |
| 687 | * @DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE:
|
| 688 | *
|
| 689 | * Data is driven on the rising edge of the pixel clock
|
| 690 |
|
| 691 | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE = BIT(2),
|
| 692 |
|
| 693 | |
| 694 | * @DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE:
|
| 695 | *
|
| 696 | * Data is driven on the falling edge of the pixel clock
|
| 697 |
|
| 698 | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE = BIT(3),
|
| 699 |
|
| 700 | |
| 701 | * @DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE:
|
| 702 | *
|
| 703 | * Data is sampled on the rising edge of the pixel clock
|
| 704 |
|
| 705 | DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE = DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
|
| 706 |
|
| 707 | |
| 708 | * @DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE:
|
| 709 | *
|
| 710 | * Data is sampled on the falling edge of the pixel clock
|
| 711 |
|
| 712 | DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE = DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
|
| 713 |
|
| 714 | |
| 715 | * @DRM_BUS_FLAG_DATA_MSB_TO_LSB:
|
| 716 | *
|
| 717 | * Data is transmitted MSB to LSB on the bus
|
| 718 |
|
| 719 | DRM_BUS_FLAG_DATA_MSB_TO_LSB = BIT(4),
|
| 720 |
|
| 721 | |
| 722 | * @DRM_BUS_FLAG_DATA_LSB_TO_MSB:
|
| 723 | *
|
| 724 | * Data is transmitted LSB to MSB on the bus
|
| 725 |
|
| 726 | DRM_BUS_FLAG_DATA_LSB_TO_MSB = BIT(5),
|
| 727 |
|
| 728 | |
| 729 | * @DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE:
|
| 730 | *
|
| 731 | * Sync signals are driven on the rising edge of the pixel clock
|
| 732 |
|
| 733 | DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE = BIT(6),
|
| 734 |
|
| 735 | |
| 736 | * @DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE:
|
| 737 | *
|
| 738 | * Sync signals are driven on the falling edge of the pixel clock
|
| 739 |
|
| 740 | DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE = BIT(7),
|
| 741 |
|
| 742 | |
| 743 | * @DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE:
|
| 744 | *
|
| 745 | * Sync signals are sampled on the rising edge of the pixel clock
|
| 746 |
|
| 747 | DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE = DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE,
|
| 748 |
|
| 749 | |
| 750 | * @DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE:
|
| 751 | *
|
| 752 | * Sync signals are sampled on the falling edge of the pixel clock
|
| 753 |
|
| 754 | DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE = DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE,
|
| 755 |
|
| 756 | |
| 757 | * @DRM_BUS_FLAG_SHARP_SIGNALS:
|
| 758 | *
|
| 759 | * Set if the Sharp-specific signals (SPL, CLS, PS, REV) must be used
|
| 760 |
|
| 761 | DRM_BUS_FLAG_SHARP_SIGNALS = BIT(8),
|
| 762 | };
|
| 763 |
|
| 764 | |
| 765 | * struct drm_amd_vsdb_info - AMD-specific VSDB information
|
| 766 | *
|
| 767 | * This structure holds information parsed from the AMD Vendor-Specific Data
|
| 768 | * Block (VSDB) version 3.
|
| 769 |
|
| 770 | struct drm_amd_vsdb_info {
|
| 771 | |
| 772 | * @version: Version of the Vendor-Specific Data Block (VSDB)
|
| 773 |
|
| 774 | u8 version;
|
| 775 |
|
| 776 | |
| 777 | * @replay_mode: Panel Replay supported
|
| 778 |
|
| 779 | bool replay_mode;
|
| 780 |
|
| 781 | |
| 782 | * @panel_type: Panel technology type
|
| 783 |
|
| 784 | u8 panel_type;
|
| 785 |
|
| 786 | |
| 787 | * @luminance_range1: Luminance for max back light
|
| 788 |
|
| 789 | struct drm_luminance_range_info luminance_range1;
|
| 790 |
|
| 791 | |
| 792 | * @luminance_range2: Luminance for min back light
|
| 793 |
|
| 794 | struct drm_luminance_range_info luminance_range2;
|
| 795 | };
|
| 796 |
|
| 797 | |
| 798 | * struct drm_display_info - runtime data about the connected sink
|
| 799 | *
|
| 800 | * Describes a given display (e.g. CRT or flat panel) and its limitations. For
|
| 801 | * fixed display sinks like built-in panels there's not much difference between
|
| 802 | * this and &struct drm_connector. But for sinks with a real cable this
|
| 803 | * structure is meant to describe all the things at the other end of the cable.
|
| 804 | *
|
| 805 | * For sinks which provide an EDID this can be filled out by calling
|
| 806 | * drm_add_edid_modes().
|
| 807 |
|
| 808 | struct drm_display_info {
|
| 809 | |
| 810 | * @width_mm: Physical width in mm.
|
| 811 |
|
| 812 | unsigned int width_mm;
|
| 813 |
|
| 814 | |
| 815 | * @height_mm: Physical height in mm.
|
| 816 |
|
| 817 | unsigned int height_mm;
|
| 818 |
|
| 819 | |
| 820 | * @bpc: Maximum bits per color channel. Used by HDMI and DP outputs.
|
| 821 |
|
| 822 | unsigned int bpc;
|
| 823 |
|
| 824 | |
| 825 | * @subpixel_order: Subpixel order of LCD panels.
|
| 826 |
|
| 827 | enum subpixel_order subpixel_order;
|
| 828 |
|
| 829 | |
| 830 | * @panel_orientation: Read only connector property for built-in panels,
|
| 831 | * indicating the orientation of the panel vs the device's casing.
|
| 832 | * drm_connector_init() sets this to DRM_MODE_PANEL_ORIENTATION_UNKNOWN.
|
| 833 | * When not UNKNOWN this gets used by the drm_fb_helpers to rotate the
|
| 834 | * fb to compensate and gets exported as prop to userspace.
|
| 835 |
|
| 836 | int panel_orientation;
|
| 837 |
|
| 838 | |
| 839 | * @color_formats: HDMI Color formats, selects between RGB and
|
| 840 | * YCbCr modes. Uses a bitmask of DRM_OUTPUT_COLOR_FORMAT\_
|
| 841 | * defines, which are _not_ the same ones as used to describe
|
| 842 | * the pixel format in framebuffers, and also don't match the
|
| 843 | * formats in @bus_formats which are shared with v4l.
|
| 844 |
|
| 845 | u32 color_formats;
|
| 846 |
|
| 847 | |
| 848 | * @bus_formats: Pixel data format on the wire, somewhat redundant with
|
| 849 | * @color_formats. Array of size @num_bus_formats encoded using
|
| 850 | * MEDIA_BUS_FMT\_ defines shared with v4l and media drivers.
|
| 851 |
|
| 852 | const u32 *bus_formats;
|
| 853 | |
| 854 | * @num_bus_formats: Size of @bus_formats array.
|
| 855 |
|
| 856 | unsigned int num_bus_formats;
|
| 857 |
|
| 858 | |
| 859 | * @bus_flags: Additional information (like pixel signal polarity) for
|
| 860 | * the pixel data on the bus, using &enum drm_bus_flags values
|
| 861 | * DRM_BUS_FLAGS\_.
|
| 862 |
|
| 863 | u32 bus_flags;
|
| 864 |
|
| 865 | |
| 866 | * @max_tmds_clock: Maximum TMDS clock rate supported by the
|
| 867 | * sink in kHz. 0 means undefined.
|
| 868 |
|
| 869 | int max_tmds_clock;
|
| 870 |
|
| 871 | |
| 872 | * @dvi_dual: Dual-link DVI sink?
|
| 873 |
|
| 874 | bool dvi_dual;
|
| 875 |
|
| 876 | |
| 877 | * @is_hdmi: True if the sink is an HDMI device.
|
| 878 | *
|
| 879 | * This field shall be used instead of calling
|
| 880 | * drm_detect_hdmi_monitor() when possible.
|
| 881 |
|
| 882 | bool is_hdmi;
|
| 883 |
|
| 884 | |
| 885 | * @has_audio: True if the sink supports audio.
|
| 886 | *
|
| 887 | * This field shall be used instead of calling
|
| 888 | * drm_detect_monitor_audio() when possible.
|
| 889 |
|
| 890 | bool has_audio;
|
| 891 |
|
| 892 | |
| 893 | * @has_hdmi_infoframe: Does the sink support the HDMI infoframe?
|
| 894 |
|
| 895 | bool has_hdmi_infoframe;
|
| 896 |
|
| 897 | |
| 898 | * @rgb_quant_range_selectable: Does the sink support selecting
|
| 899 | * the RGB quantization range?
|
| 900 |
|
| 901 | bool rgb_quant_range_selectable;
|
| 902 |
|
| 903 | |
| 904 | * @edid_hdmi_rgb444_dc_modes: Mask of supported hdmi deep color modes
|
| 905 | * in RGB 4:4:4. Even more stuff redundant with @bus_formats.
|
| 906 |
|
| 907 | u8 edid_hdmi_rgb444_dc_modes;
|
| 908 |
|
| 909 | |
| 910 | * @edid_hdmi_ycbcr444_dc_modes: Mask of supported hdmi deep color
|
| 911 | * modes in YCbCr 4:4:4. Even more stuff redundant with @bus_formats.
|
| 912 |
|
| 913 | u8 edid_hdmi_ycbcr444_dc_modes;
|
| 914 |
|
| 915 | |
| 916 | * @cea_rev: CEA revision of the HDMI sink.
|
| 917 |
|
| 918 | u8 cea_rev;
|
| 919 |
|
| 920 | |
| 921 | * @hdmi: advance features of a HDMI sink.
|
| 922 |
|
| 923 | struct drm_hdmi_info hdmi;
|
| 924 |
|
| 925 | |
| 926 | * @hdr_sink_metadata: HDR Metadata Information read from sink
|
| 927 |
|
| 928 | struct hdr_sink_metadata hdr_sink_metadata;
|
| 929 |
|
| 930 | |
| 931 | * @non_desktop: Non desktop display (HMD).
|
| 932 |
|
| 933 | bool non_desktop;
|
| 934 |
|
| 935 | |
| 936 | * @monitor_range: Frequency range supported by monitor range descriptor
|
| 937 |
|
| 938 | struct drm_monitor_range_info monitor_range;
|
| 939 |
|
| 940 | |
| 941 | * @luminance_range: Luminance range supported by panel
|
| 942 |
|
| 943 | struct drm_luminance_range_info luminance_range;
|
| 944 |
|
| 945 | |
| 946 | * @mso_stream_count: eDP Multi-SST Operation (MSO) stream count from
|
| 947 | * the DisplayID VESA vendor block. 0 for conventional Single-Stream
|
| 948 | * Transport (SST), or 2 or 4 MSO streams.
|
| 949 |
|
| 950 | u8 mso_stream_count;
|
| 951 |
|
| 952 | |
| 953 | * @mso_pixel_overlap: eDP MSO segment pixel overlap, 0-8 pixels.
|
| 954 |
|
| 955 | u8 mso_pixel_overlap;
|
| 956 |
|
| 957 | |
| 958 | * @max_dsc_bpp: Maximum DSC target bitrate, if it is set to 0 the
|
| 959 | * monitor's default value is used instead.
|
| 960 |
|
| 961 | u32 max_dsc_bpp;
|
| 962 |
|
| 963 | |
| 964 | * @vics: Array of vics_len VICs. Internal to EDID parsing.
|
| 965 |
|
| 966 | u8 *vics;
|
| 967 |
|
| 968 | |
| 969 | * @vics_len: Number of elements in vics. Internal to EDID parsing.
|
| 970 |
|
| 971 | int vics_len;
|
| 972 |
|
| 973 | |
| 974 | * @quirks: EDID based quirks. DRM core and drivers can query the
|
| 975 | * @drm_edid_quirk quirks using drm_edid_has_quirk(), the rest of
|
| 976 | * the quirks also tracked here are internal to EDID parsing.
|
| 977 |
|
| 978 | u32 quirks;
|
| 979 |
|
| 980 | |
| 981 | * @source_physical_address: Source Physical Address from HDMI
|
| 982 | * Vendor-Specific Data Block, for CEC usage.
|
| 983 | *
|
| 984 | * Defaults to CEC_PHYS_ADDR_INVALID (0xffff).
|
| 985 |
|
| 986 | u16 source_physical_address;
|
| 987 |
|
| 988 | |
| 989 | * @amd_vsdb: AMD-specific VSDB information.
|
| 990 |
|
| 991 | struct drm_amd_vsdb_info amd_vsdb;
|
| 992 |
|
| 993 | |
| 994 | * @panel_type: Panel type from DisplayID Display Parameters
|
| 995 | * Data Block (tag 0x21). Uses DRM_MODE_PANEL_TYPE_* constants.
|
| 996 |
|
| 997 | u8 panel_type;
|
| 998 | };
|
| 999 |
|
| 1000 | int drm_display_info_set_bus_formats(struct drm_display_info *info,
|
| 1001 | const u32 *formats,
|
| 1002 | unsigned int num_formats);
|
| 1003 |
|
| 1004 | |
| 1005 | * struct drm_connector_tv_margins - TV connector related margins
|
| 1006 | *
|
| 1007 | * Describes the margins in pixels to put around the image on TV
|
| 1008 | * connectors to deal with overscan.
|
| 1009 |
|
| 1010 | struct drm_connector_tv_margins {
|
| 1011 | |
| 1012 | * @bottom: Bottom margin in pixels.
|
| 1013 |
|
| 1014 | unsigned int bottom;
|
| 1015 |
|
| 1016 | |
| 1017 | * @left: Left margin in pixels.
|
| 1018 |
|
| 1019 | unsigned int left;
|
| 1020 |
|
| 1021 | |
| 1022 | * @right: Right margin in pixels.
|
| 1023 |
|
| 1024 | unsigned int right;
|
| 1025 |
|
| 1026 | |
| 1027 | * @top: Top margin in pixels.
|
| 1028 |
|
| 1029 | unsigned int top;
|
| 1030 | };
|
| 1031 |
|
| 1032 | |
| 1033 | * struct drm_tv_connector_state - TV connector related states
|
| 1034 | * @select_subconnector: selected subconnector
|
| 1035 | * @subconnector: detected subconnector
|
| 1036 | * @margins: TV margins
|
| 1037 | * @legacy_mode: Legacy TV mode, driver specific value
|
| 1038 | * @mode: TV mode
|
| 1039 | * @brightness: brightness in percent
|
| 1040 | * @contrast: contrast in percent
|
| 1041 | * @flicker_reduction: flicker reduction in percent
|
| 1042 | * @overscan: overscan in percent
|
| 1043 | * @saturation: saturation in percent
|
| 1044 | * @hue: hue in percent
|
| 1045 |
|
| 1046 | struct drm_tv_connector_state {
|
| 1047 | enum drm_mode_subconnector select_subconnector;
|
| 1048 | enum drm_mode_subconnector subconnector;
|
| 1049 | struct drm_connector_tv_margins margins;
|
| 1050 | unsigned int legacy_mode;
|
| 1051 | unsigned int mode;
|
| 1052 | unsigned int brightness;
|
| 1053 | unsigned int contrast;
|
| 1054 | unsigned int flicker_reduction;
|
| 1055 | unsigned int overscan;
|
| 1056 | unsigned int saturation;
|
| 1057 | unsigned int hue;
|
| 1058 | };
|
| 1059 |
|
| 1060 | |
| 1061 | * struct drm_connector_hdmi_infoframe - HDMI Infoframe container
|
| 1062 |
|
| 1063 | struct drm_connector_hdmi_infoframe {
|
| 1064 | |
| 1065 | * @data: HDMI Infoframe structure
|
| 1066 |
|
| 1067 | union hdmi_infoframe data;
|
| 1068 |
|
| 1069 | |
| 1070 | * @set: Is the content of @data valid?
|
| 1071 |
|
| 1072 | bool set;
|
| 1073 | };
|
| 1074 |
|
| 1075 | |
| 1076 | * struct drm_connector_hdmi_state - HDMI state container
|
| 1077 |
|
| 1078 | struct drm_connector_hdmi_state {
|
| 1079 | |
| 1080 | * @broadcast_rgb: Connector property to pass the
|
| 1081 | * Broadcast RGB selection value.
|
| 1082 |
|
| 1083 | enum drm_hdmi_broadcast_rgb broadcast_rgb;
|
| 1084 |
|
| 1085 | |
| 1086 | * @infoframes: HDMI Infoframes matching that state
|
| 1087 |
|
| 1088 | struct {
|
| 1089 | |
| 1090 | * @avi: AVI Infoframes structure matching our
|
| 1091 | * state.
|
| 1092 |
|
| 1093 | struct drm_connector_hdmi_infoframe avi;
|
| 1094 |
|
| 1095 | |
| 1096 | * @hdr_drm: DRM (Dynamic Range and Mastering)
|
| 1097 | * Infoframes structure matching our state.
|
| 1098 |
|
| 1099 | struct drm_connector_hdmi_infoframe hdr_drm;
|
| 1100 |
|
| 1101 | |
| 1102 | * @spd: SPD Infoframes structure matching our
|
| 1103 | * state.
|
| 1104 |
|
| 1105 | struct drm_connector_hdmi_infoframe spd;
|
| 1106 |
|
| 1107 | |
| 1108 | * @vendor: HDMI Vendor Infoframes structure
|
| 1109 | * matching our state.
|
| 1110 |
|
| 1111 | struct drm_connector_hdmi_infoframe hdmi;
|
| 1112 | } infoframes;
|
| 1113 |
|
| 1114 | |
| 1115 | * @is_limited_range: Is the output supposed to use a limited
|
| 1116 | * RGB Quantization Range or not?
|
| 1117 |
|
| 1118 | bool is_limited_range;
|
| 1119 |
|
| 1120 | |
| 1121 | * @output_bpc: Bits per color channel to output.
|
| 1122 |
|
| 1123 | unsigned int output_bpc;
|
| 1124 |
|
| 1125 | |
| 1126 | * @output_format: Pixel format to output in.
|
| 1127 |
|
| 1128 | enum drm_output_color_format output_format;
|
| 1129 |
|
| 1130 | |
| 1131 | * @tmds_char_rate: TMDS Character Rate, in Hz.
|
| 1132 |
|
| 1133 | unsigned long long tmds_char_rate;
|
| 1134 | };
|
| 1135 |
|
| 1136 | |
| 1137 | * struct drm_connector_state - mutable connector state
|
| 1138 |
|
| 1139 | struct drm_connector_state {
|
| 1140 |
|
| 1141 | struct drm_connector *connector;
|
| 1142 |
|
| 1143 | |
| 1144 | * @crtc: CRTC to connect connector to, NULL if disabled.
|
| 1145 | *
|
| 1146 | * Do not change this directly, use drm_atomic_set_crtc_for_connector()
|
| 1147 | * instead.
|
| 1148 |
|
| 1149 | struct drm_crtc *crtc;
|
| 1150 |
|
| 1151 | |
| 1152 | * @best_encoder:
|
| 1153 | *
|
| 1154 | * Used by the atomic helpers to select the encoder, through the
|
| 1155 | * &drm_connector_helper_funcs.atomic_best_encoder or
|
| 1156 | * &drm_connector_helper_funcs.best_encoder callbacks.
|
| 1157 | *
|
| 1158 | * This is also used in the atomic helpers to map encoders to their
|
| 1159 | * current and previous connectors, see
|
| 1160 | * drm_atomic_get_old_connector_for_encoder() and
|
| 1161 | * drm_atomic_get_new_connector_for_encoder().
|
| 1162 | *
|
| 1163 | * NOTE: Atomic drivers must fill this out (either themselves or through
|
| 1164 | * helpers), for otherwise the GETCONNECTOR and GETENCODER IOCTLs will
|
| 1165 | * not return correct data to userspace.
|
| 1166 |
|
| 1167 | struct drm_encoder *best_encoder;
|
| 1168 |
|
| 1169 | |
| 1170 | * @link_status: Connector link_status to keep track of whether link is
|
| 1171 | * GOOD or BAD to notify userspace if retraining is necessary.
|
| 1172 |
|
| 1173 | enum drm_link_status link_status;
|
| 1174 |
|
| 1175 |
|
| 1176 | struct drm_atomic_commit *state;
|
| 1177 |
|
| 1178 | |
| 1179 | * @commit: Tracks the pending commit to prevent use-after-free conditions.
|
| 1180 | *
|
| 1181 | * Is only set when @crtc is NULL.
|
| 1182 |
|
| 1183 | struct drm_crtc_commit *commit;
|
| 1184 |
|
| 1185 |
|
| 1186 | struct drm_tv_connector_state tv;
|
| 1187 |
|
| 1188 | |
| 1189 | * @self_refresh_aware:
|
| 1190 | *
|
| 1191 | * This tracks whether a connector is aware of the self refresh state.
|
| 1192 | * It should be set to true for those connector implementations which
|
| 1193 | * understand the self refresh state. This is needed since the crtc
|
| 1194 | * registers the self refresh helpers and it doesn't know if the
|
| 1195 | * connectors downstream have implemented self refresh entry/exit.
|
| 1196 | *
|
| 1197 | * Drivers should set this to true in atomic_check if they know how to
|
| 1198 | * handle self_refresh requests.
|
| 1199 |
|
| 1200 | bool self_refresh_aware;
|
| 1201 |
|
| 1202 | |
| 1203 | * @picture_aspect_ratio: Connector property to control the
|
| 1204 | * HDMI infoframe aspect ratio setting.
|
| 1205 | *
|
| 1206 | * The %DRM_MODE_PICTURE_ASPECT_\* values much match the
|
| 1207 | * values for &enum hdmi_picture_aspect
|
| 1208 |
|
| 1209 | enum hdmi_picture_aspect picture_aspect_ratio;
|
| 1210 |
|
| 1211 | |
| 1212 | * @content_type: Connector property to control the
|
| 1213 | * HDMI infoframe content type setting.
|
| 1214 | * The %DRM_MODE_CONTENT_TYPE_\* values much
|
| 1215 | * match the values.
|
| 1216 |
|
| 1217 | unsigned int content_type;
|
| 1218 |
|
| 1219 | |
| 1220 | * @hdcp_content_type: Connector property to pass the type of
|
| 1221 | * protected content. This is most commonly used for HDCP.
|
| 1222 |
|
| 1223 | unsigned int hdcp_content_type;
|
| 1224 |
|
| 1225 | |
| 1226 | * @scaling_mode: Connector property to control the
|
| 1227 | * upscaling, mostly used for built-in panels.
|
| 1228 |
|
| 1229 | unsigned int scaling_mode;
|
| 1230 |
|
| 1231 | |
| 1232 | * @content_protection: Connector property to request content
|
| 1233 | * protection. This is most commonly used for HDCP.
|
| 1234 |
|
| 1235 | unsigned int content_protection;
|
| 1236 |
|
| 1237 | |
| 1238 | * @colorspace: State variable for Connector property to request
|
| 1239 | * colorspace change on Sink. This is most commonly used to switch
|
| 1240 | * to wider color gamuts like BT2020.
|
| 1241 |
|
| 1242 | enum drm_colorspace colorspace;
|
| 1243 |
|
| 1244 | |
| 1245 | * @color_format: State variable for Connector property to request
|
| 1246 | * color format change on Sink. This is most commonly used to switch
|
| 1247 | * between RGB to YUV and vice-versa.
|
| 1248 |
|
| 1249 | enum drm_connector_color_format color_format;
|
| 1250 |
|
| 1251 | |
| 1252 | * @writeback_job: Writeback job for writeback connectors
|
| 1253 | *
|
| 1254 | * Holds the framebuffer and out-fence for a writeback connector. As
|
| 1255 | * the writeback completion may be asynchronous to the normal commit
|
| 1256 | * cycle, the writeback job lifetime is managed separately from the
|
| 1257 | * normal atomic state by this object.
|
| 1258 | *
|
| 1259 | * See also: drm_writeback_queue_job() and
|
| 1260 | * drm_writeback_signal_completion()
|
| 1261 |
|
| 1262 | struct drm_writeback_job *writeback_job;
|
| 1263 |
|
| 1264 | |
| 1265 | * @max_requested_bpc: Connector property to limit the maximum bit
|
| 1266 | * depth of the pixels.
|
| 1267 |
|
| 1268 | u8 max_requested_bpc;
|
| 1269 |
|
| 1270 | |
| 1271 | * @max_bpc: Connector max_bpc based on the requested max_bpc property
|
| 1272 | * and the connector bpc limitations obtained from edid.
|
| 1273 |
|
| 1274 | u8 max_bpc;
|
| 1275 |
|
| 1276 | |
| 1277 | * @privacy_screen_sw_state: See :ref:`Standard Connector
|
| 1278 | * Properties<standard_connector_properties>`
|
| 1279 |
|
| 1280 | enum drm_privacy_screen_status privacy_screen_sw_state;
|
| 1281 |
|
| 1282 | |
| 1283 | * @hdr_output_metadata:
|
| 1284 | * DRM blob property for HDR output metadata
|
| 1285 |
|
| 1286 | struct drm_property_blob *hdr_output_metadata;
|
| 1287 |
|
| 1288 | |
| 1289 | * @hdmi: HDMI-related variable and properties. Filled by
|
| 1290 | * @drm_atomic_helper_connector_hdmi_check().
|
| 1291 |
|
| 1292 | struct drm_connector_hdmi_state hdmi;
|
| 1293 | };
|
| 1294 |
|
| 1295 | struct drm_connector_hdmi_audio_funcs {
|
| 1296 | |
| 1297 | * @startup:
|
| 1298 | *
|
| 1299 | * Called when ASoC starts an audio stream setup. The
|
| 1300 | * @startup() is optional.
|
| 1301 | *
|
| 1302 | * Returns:
|
| 1303 | * 0 on success, a negative error code otherwise
|
| 1304 |
|
| 1305 | int (*startup)(struct drm_connector *connector);
|
| 1306 |
|
| 1307 | |
| 1308 | * @prepare:
|
| 1309 | * Configures HDMI-encoder for audio stream. Can be called
|
| 1310 | * multiple times for each setup. Mandatory.
|
| 1311 | *
|
| 1312 | * Returns:
|
| 1313 | * 0 on success, a negative error code otherwise
|
| 1314 |
|
| 1315 | int (*prepare)(struct drm_connector *connector,
|
| 1316 | struct hdmi_codec_daifmt *fmt,
|
| 1317 | struct hdmi_codec_params *hparms);
|
| 1318 |
|
| 1319 | |
| 1320 | * @shutdown:
|
| 1321 | *
|
| 1322 | * Shut down the audio stream. Mandatory.
|
| 1323 | *
|
| 1324 | * Returns:
|
| 1325 | * 0 on success, a negative error code otherwise
|
| 1326 |
|
| 1327 | void (*shutdown)(struct drm_connector *connector);
|
| 1328 |
|
| 1329 | |
| 1330 | * @mute_stream:
|
| 1331 | *
|
| 1332 | * Mute/unmute HDMI audio stream. The @mute_stream callback is
|
| 1333 | * optional.
|
| 1334 | *
|
| 1335 | * Returns:
|
| 1336 | * 0 on success, a negative error code otherwise
|
| 1337 |
|
| 1338 | int (*mute_stream)(struct drm_connector *connector,
|
| 1339 | bool enable, int direction);
|
| 1340 | };
|
| 1341 |
|
| 1342 | void drm_connector_cec_phys_addr_invalidate(struct drm_connector *connector);
|
| 1343 | void drm_connector_cec_phys_addr_set(struct drm_connector *connector);
|
| 1344 |
|
| 1345 | |
| 1346 | * struct drm_connector_cec_funcs - drm_hdmi_connector control functions
|
| 1347 |
|
| 1348 | struct drm_connector_cec_funcs {
|
| 1349 | |
| 1350 | * @phys_addr_invalidate: mark CEC physical address as invalid
|
| 1351 | *
|
| 1352 | * The callback to mark CEC physical address as invalid, abstracting
|
| 1353 | * the operation.
|
| 1354 |
|
| 1355 | void (*phys_addr_invalidate)(struct drm_connector *connector);
|
| 1356 |
|
| 1357 | |
| 1358 | * @phys_addr_set: set CEC physical address
|
| 1359 | *
|
| 1360 | * The callback to set CEC physical address, abstracting the operation.
|
| 1361 |
|
| 1362 | void (*phys_addr_set)(struct drm_connector *connector, u16 addr);
|
| 1363 | };
|
| 1364 |
|
| 1365 | |
| 1366 | * struct drm_connector_infoframe_funcs - InfoFrame-related functions
|
| 1367 |
|
| 1368 | struct drm_connector_infoframe_funcs {
|
| 1369 | |
| 1370 | * @clear_infoframe:
|
| 1371 | *
|
| 1372 | * This callback is invoked through
|
| 1373 | * @drm_atomic_helper_connector_hdmi_update_infoframes during a
|
| 1374 | * commit to clear the infoframes into the hardware. It will be
|
| 1375 | * called once for each frame type to be disabled.
|
| 1376 | *
|
| 1377 | * The @clear_infoframe callback is mandatory for AVI and HDMI-VS
|
| 1378 | * InfoFrame types.
|
| 1379 | *
|
| 1380 | * Returns:
|
| 1381 | * 0 on success, a negative error code otherwise
|
| 1382 |
|
| 1383 | int (*clear_infoframe)(struct drm_connector *connector);
|
| 1384 |
|
| 1385 | |
| 1386 | * @write_infoframe:
|
| 1387 | *
|
| 1388 | * This callback is invoked through
|
| 1389 | * @drm_atomic_helper_connector_hdmi_update_infoframes during a
|
| 1390 | * commit to program the infoframes into the hardware. It will
|
| 1391 | * be called for every updated infoframe type.
|
| 1392 | *
|
| 1393 | * The @write_infoframe callback is mandatory for AVI and HDMI-VS
|
| 1394 | * InfoFrame types.
|
| 1395 | *
|
| 1396 | * Returns:
|
| 1397 | * 0 on success, a negative error code otherwise
|
| 1398 |
|
| 1399 | int (*write_infoframe)(struct drm_connector *connector,
|
| 1400 | const u8 *buffer, size_t len);
|
| 1401 |
|
| 1402 | };
|
| 1403 |
|
| 1404 | |
| 1405 | * struct drm_connector_hdmi_funcs - drm_hdmi_connector control functions
|
| 1406 |
|
| 1407 | struct drm_connector_hdmi_funcs {
|
| 1408 | |
| 1409 | * @tmds_char_rate_valid:
|
| 1410 | *
|
| 1411 | * This callback is invoked at atomic_check time to figure out
|
| 1412 | * whether a particular TMDS character rate is supported by the
|
| 1413 | * driver.
|
| 1414 | *
|
| 1415 | * The @tmds_char_rate_valid callback is optional.
|
| 1416 | *
|
| 1417 | * Returns:
|
| 1418 | *
|
| 1419 | * Either &drm_mode_status.MODE_OK or one of the failure reasons
|
| 1420 | * in &enum drm_mode_status.
|
| 1421 |
|
| 1422 | enum drm_mode_status
|
| 1423 | (*tmds_char_rate_valid)(const struct drm_connector *connector,
|
| 1424 | const struct drm_display_mode *mode,
|
| 1425 | unsigned long long tmds_rate);
|
| 1426 |
|
| 1427 | |
| 1428 | * @read_edid:
|
| 1429 | *
|
| 1430 | * This callback is used by the framework as a replacement for reading
|
| 1431 | * the EDID from connector->ddc. It is still recommended to provide
|
| 1432 | * connector->ddc instead of implementing this callback. Returned EDID
|
| 1433 | * should be freed via the drm_edid_free().
|
| 1434 | *
|
| 1435 | * The @read_edid callback is optional.
|
| 1436 | *
|
| 1437 | * Returns:
|
| 1438 | * Valid EDID on success, NULL in case of failure.
|
| 1439 |
|
| 1440 | const struct drm_edid *(*read_edid)(struct drm_connector *connector);
|
| 1441 |
|
| 1442 | |
| 1443 | * @avi:
|
| 1444 | *
|
| 1445 | * Set of callbacks for handling the AVI InfoFrame. These callbacks are
|
| 1446 | * mandatory.
|
| 1447 |
|
| 1448 | struct drm_connector_infoframe_funcs avi;
|
| 1449 |
|
| 1450 | |
| 1451 | * @hdmi:
|
| 1452 | *
|
| 1453 | * Set of callbacks for handling the HDMI Vendor-Specific InfoFrame.
|
| 1454 | * These callbacks are mandatory.
|
| 1455 |
|
| 1456 | struct drm_connector_infoframe_funcs hdmi;
|
| 1457 |
|
| 1458 | |
| 1459 | * @audio:
|
| 1460 | *
|
| 1461 | * Set of callbacks for handling the Audio InfoFrame. These callbacks
|
| 1462 | * are optional, but they are required for drivers which use
|
| 1463 | * drm_atomic_helper_connector_hdmi_update_audio_infoframe().
|
| 1464 |
|
| 1465 | struct drm_connector_infoframe_funcs audio;
|
| 1466 |
|
| 1467 | |
| 1468 | * @hdr_drm:
|
| 1469 | *
|
| 1470 | * Set of callbacks for handling the HDR DRM InfoFrame. These callbacks
|
| 1471 | * are mandatory if HDR output is to be supported.
|
| 1472 |
|
| 1473 | struct drm_connector_infoframe_funcs hdr_drm;
|
| 1474 |
|
| 1475 | |
| 1476 | * @spd:
|
| 1477 | *
|
| 1478 | * Set of callbacks for handling the SPD InfoFrame. These callbacks are
|
| 1479 | * optional.
|
| 1480 |
|
| 1481 | struct drm_connector_infoframe_funcs spd;
|
| 1482 | };
|
| 1483 |
|
| 1484 | |
| 1485 | * struct drm_connector_funcs - control connectors on a given device
|
| 1486 | *
|
| 1487 | * Each CRTC may have one or more connectors attached to it. The functions
|
| 1488 | * below allow the core DRM code to control connectors, enumerate available modes,
|
| 1489 | * etc.
|
| 1490 |
|
| 1491 | struct drm_connector_funcs {
|
| 1492 | |
| 1493 | * @dpms:
|
| 1494 | *
|
| 1495 | * Legacy entry point to set the per-connector DPMS state. Legacy DPMS
|
| 1496 | * is exposed as a standard property on the connector, but diverted to
|
| 1497 | * this callback in the drm core. Note that atomic drivers don't
|
| 1498 | * implement the 4 level DPMS support on the connector any more, but
|
| 1499 | * instead only have an on/off "ACTIVE" property on the CRTC object.
|
| 1500 | *
|
| 1501 | * This hook is not used by atomic drivers, remapping of the legacy DPMS
|
| 1502 | * property is entirely handled in the DRM core.
|
| 1503 | *
|
| 1504 | * RETURNS:
|
| 1505 | *
|
| 1506 | * 0 on success or a negative error code on failure.
|
| 1507 |
|
| 1508 | int (*dpms)(struct drm_connector *connector, int mode);
|
| 1509 |
|
| 1510 | |
| 1511 | * @reset:
|
| 1512 | *
|
| 1513 | * Reset connector hardware and software state to off. This function isn't
|
| 1514 | * called by the core directly, only through drm_mode_config_reset().
|
| 1515 | * It's not a helper hook only for historical reasons.
|
| 1516 | *
|
| 1517 | * Atomic drivers can use drm_atomic_helper_connector_reset() to reset
|
| 1518 | * atomic state using this hook.
|
| 1519 |
|
| 1520 | void (*reset)(struct drm_connector *connector);
|
| 1521 |
|
| 1522 | |
| 1523 | * @detect:
|
| 1524 | *
|
| 1525 | * Check to see if anything is attached to the connector. The parameter
|
| 1526 | * force is set to false whilst polling, true when checking the
|
| 1527 | * connector due to a user request. force can be used by the driver to
|
| 1528 | * avoid expensive, destructive operations during automated probing.
|
| 1529 | *
|
| 1530 | * This callback is optional, if not implemented the connector will be
|
| 1531 | * considered as always being attached.
|
| 1532 | *
|
| 1533 | * FIXME:
|
| 1534 | *
|
| 1535 | * Note that this hook is only called by the probe helper. It's not in
|
| 1536 | * the helper library vtable purely for historical reasons. The only DRM
|
| 1537 | * core entry point to probe connector state is @fill_modes.
|
| 1538 | *
|
| 1539 | * Note that the helper library will already hold
|
| 1540 | * &drm_mode_config.connection_mutex. Drivers which need to grab additional
|
| 1541 | * locks to avoid races with concurrent modeset changes need to use
|
| 1542 | * &drm_connector_helper_funcs.detect_ctx instead.
|
| 1543 | *
|
| 1544 | * Also note that this callback can be called no matter the
|
| 1545 | * state the connector is in. Drivers that need the underlying
|
| 1546 | * device to be powered to perform the detection will first need
|
| 1547 | * to make sure it's been properly enabled.
|
| 1548 | *
|
| 1549 | * RETURNS:
|
| 1550 | *
|
| 1551 | * drm_connector_status indicating the connector's status.
|
| 1552 |
|
| 1553 | enum drm_connector_status (*detect)(struct drm_connector *connector,
|
| 1554 | bool force);
|
| 1555 |
|
| 1556 | |
| 1557 | * @force:
|
| 1558 | *
|
| 1559 | * This function is called to update internal encoder state when the
|
| 1560 | * connector is forced to a certain state by userspace, either through
|
| 1561 | * the sysfs interfaces or on the kernel cmdline. In that case the
|
| 1562 | * @detect callback isn't called.
|
| 1563 | *
|
| 1564 | * FIXME:
|
| 1565 | *
|
| 1566 | * Note that this hook is only called by the probe helper. It's not in
|
| 1567 | * the helper library vtable purely for historical reasons. The only DRM
|
| 1568 | * core entry point to probe connector state is @fill_modes.
|
| 1569 |
|
| 1570 | void (*force)(struct drm_connector *connector);
|
| 1571 |
|
| 1572 | |
| 1573 | * @fill_modes:
|
| 1574 | *
|
| 1575 | * Entry point for output detection and basic mode validation. The
|
| 1576 | * driver should reprobe the output if needed (e.g. when hotplug
|
| 1577 | * handling is unreliable), add all detected modes to &drm_connector.modes
|
| 1578 | * and filter out any the device can't support in any configuration. It
|
| 1579 | * also needs to filter out any modes wider or higher than the
|
| 1580 | * parameters max_width and max_height indicate.
|
| 1581 | *
|
| 1582 | * The drivers must also prune any modes no longer valid from
|
| 1583 | * &drm_connector.modes. Furthermore it must update
|
| 1584 | * &drm_connector.status and &drm_connector.edid. If no EDID has been
|
| 1585 | * received for this output connector->edid must be NULL.
|
| 1586 | *
|
| 1587 | * Drivers using the probe helpers should use
|
| 1588 | * drm_helper_probe_single_connector_modes() to implement this
|
| 1589 | * function.
|
| 1590 | *
|
| 1591 | * RETURNS:
|
| 1592 | *
|
| 1593 | * The number of modes detected and filled into &drm_connector.modes.
|
| 1594 |
|
| 1595 | int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
|
| 1596 |
|
| 1597 | |
| 1598 | * @set_property:
|
| 1599 | *
|
| 1600 | * This is the legacy entry point to update a property attached to the
|
| 1601 | * connector.
|
| 1602 | *
|
| 1603 | * This callback is optional if the driver does not support any legacy
|
| 1604 | * driver-private properties. For atomic drivers it is not used because
|
| 1605 | * property handling is done entirely in the DRM core.
|
| 1606 | *
|
| 1607 | * RETURNS:
|
| 1608 | *
|
| 1609 | * 0 on success or a negative error code on failure.
|
| 1610 |
|
| 1611 | int (*set_property)(struct drm_connector *connector, struct drm_property *property,
|
| 1612 | uint64_t val);
|
| 1613 |
|
| 1614 | |
| 1615 | * @late_register:
|
| 1616 | *
|
| 1617 | * This optional hook can be used to register additional userspace
|
| 1618 | * interfaces attached to the connector, light backlight control, i2c,
|
| 1619 | * DP aux or similar interfaces. It is called late in the driver load
|
| 1620 | * sequence from drm_connector_register() when registering all the
|
| 1621 | * core drm connector interfaces. Everything added from this callback
|
| 1622 | * should be unregistered in the early_unregister callback.
|
| 1623 | *
|
| 1624 | * This is called while holding &drm_connector.mutex.
|
| 1625 | *
|
| 1626 | * Returns:
|
| 1627 | *
|
| 1628 | * 0 on success, or a negative error code on failure.
|
| 1629 |
|
| 1630 | int (*late_register)(struct drm_connector *connector);
|
| 1631 |
|
| 1632 | |
| 1633 | * @early_unregister:
|
| 1634 | *
|
| 1635 | * This optional hook should be used to unregister the additional
|
| 1636 | * userspace interfaces attached to the connector from
|
| 1637 | * late_register(). It is called from drm_connector_unregister(),
|
| 1638 | * early in the driver unload sequence to disable userspace access
|
| 1639 | * before data structures are torndown.
|
| 1640 | *
|
| 1641 | * This is called while holding &drm_connector.mutex.
|
| 1642 |
|
| 1643 | void (*early_unregister)(struct drm_connector *connector);
|
| 1644 |
|
| 1645 | |
| 1646 | * @destroy:
|
| 1647 | *
|
| 1648 | * Clean up connector resources. This is called at driver unload time
|
| 1649 | * through drm_mode_config_cleanup(). It can also be called at runtime
|
| 1650 | * when a connector is being hot-unplugged for drivers that support
|
| 1651 | * connector hotplugging (e.g. DisplayPort MST).
|
| 1652 |
|
| 1653 | void (*destroy)(struct drm_connector *connector);
|
| 1654 |
|
| 1655 | |
| 1656 | * @atomic_create_state:
|
| 1657 | *
|
| 1658 | * Allocate a pristine, initialized, state for the connector
|
| 1659 | * object and return it. This callback must have no side
|
| 1660 | * effects: in particular, the returned state must not be
|
| 1661 | * assigned to the object's state pointer and it must not affect
|
| 1662 | * the hardware state.
|
| 1663 | *
|
| 1664 | * RETURNS:
|
| 1665 | *
|
| 1666 | * A new, pristine, connector state instance or an error pointer
|
| 1667 | * on failure.
|
| 1668 |
|
| 1669 | struct drm_connector_state *(*atomic_create_state)(struct drm_connector *connector);
|
| 1670 |
|
| 1671 | |
| 1672 | * @atomic_duplicate_state:
|
| 1673 | *
|
| 1674 | * Duplicate the current atomic state for this connector and return it.
|
| 1675 | * The core and helpers guarantee that any atomic state duplicated with
|
| 1676 | * this hook and still owned by the caller (i.e. not transferred to the
|
| 1677 | * driver by calling &drm_mode_config_funcs.atomic_commit) will be
|
| 1678 | * cleaned up by calling the @atomic_destroy_state hook in this
|
| 1679 | * structure.
|
| 1680 | *
|
| 1681 | * This callback is mandatory for atomic drivers.
|
| 1682 | *
|
| 1683 | * Atomic drivers which don't subclass &struct drm_connector_state should use
|
| 1684 | * drm_atomic_helper_connector_duplicate_state(). Drivers that subclass the
|
| 1685 | * state structure to extend it with driver-private state should use
|
| 1686 | * __drm_atomic_helper_connector_duplicate_state() to make sure shared state is
|
| 1687 | * duplicated in a consistent fashion across drivers.
|
| 1688 | *
|
| 1689 | * It is an error to call this hook before &drm_connector.state has been
|
| 1690 | * initialized correctly.
|
| 1691 | *
|
| 1692 | * NOTE:
|
| 1693 | *
|
| 1694 | * If the duplicate state references refcounted resources this hook must
|
| 1695 | * acquire a reference for each of them. The driver must release these
|
| 1696 | * references again in @atomic_destroy_state.
|
| 1697 | *
|
| 1698 | * RETURNS:
|
| 1699 | *
|
| 1700 | * Duplicated atomic state or NULL when the allocation failed.
|
| 1701 |
|
| 1702 | struct drm_connector_state *(*atomic_duplicate_state)(struct drm_connector *connector);
|
| 1703 |
|
| 1704 | |
| 1705 | * @atomic_destroy_state:
|
| 1706 | *
|
| 1707 | * Destroy a state duplicated with @atomic_duplicate_state and release
|
| 1708 | * or unreference all resources it references
|
| 1709 | *
|
| 1710 | * This callback is mandatory for atomic drivers.
|
| 1711 |
|
| 1712 | void (*atomic_destroy_state)(struct drm_connector *connector,
|
| 1713 | struct drm_connector_state *state);
|
| 1714 |
|
| 1715 | |
| 1716 | * @atomic_set_property:
|
| 1717 | *
|
| 1718 | * Decode a driver-private property value and store the decoded value
|
| 1719 | * into the passed-in state structure. Since the atomic core decodes all
|
| 1720 | * standardized properties (even for extensions beyond the core set of
|
| 1721 | * properties which might not be implemented by all drivers) this
|
| 1722 | * requires drivers to subclass the state structure.
|
| 1723 | *
|
| 1724 | * Such driver-private properties should really only be implemented for
|
| 1725 | * truly hardware/vendor specific state. Instead it is preferred to
|
| 1726 | * standardize atomic extension and decode the properties used to expose
|
| 1727 | * such an extension in the core.
|
| 1728 | *
|
| 1729 | * Do not call this function directly, use
|
| 1730 | * drm_atomic_connector_set_property() instead.
|
| 1731 | *
|
| 1732 | * This callback is optional if the driver does not support any
|
| 1733 | * driver-private atomic properties.
|
| 1734 | *
|
| 1735 | * NOTE:
|
| 1736 | *
|
| 1737 | * This function is called in the state assembly phase of atomic
|
| 1738 | * modesets, which can be aborted for any reason (including on
|
| 1739 | * userspace's request to just check whether a configuration would be
|
| 1740 | * possible). Drivers MUST NOT touch any persistent state (hardware or
|
| 1741 | * software) or data structures except the passed in @state parameter.
|
| 1742 | *
|
| 1743 | * Also since userspace controls in which order properties are set this
|
| 1744 | * function must not do any input validation (since the state update is
|
| 1745 | * incomplete and hence likely inconsistent). Instead any such input
|
| 1746 | * validation must be done in the various atomic_check callbacks.
|
| 1747 | *
|
| 1748 | * RETURNS:
|
| 1749 | *
|
| 1750 | * 0 if the property has been found, -EINVAL if the property isn't
|
| 1751 | * implemented by the driver (which shouldn't ever happen, the core only
|
| 1752 | * asks for properties attached to this connector). No other validation
|
| 1753 | * is allowed by the driver. The core already checks that the property
|
| 1754 | * value is within the range (integer, valid enum value, ...) the driver
|
| 1755 | * set when registering the property.
|
| 1756 |
|
| 1757 | int (*atomic_set_property)(struct drm_connector *connector,
|
| 1758 | struct drm_connector_state *state,
|
| 1759 | struct drm_property *property,
|
| 1760 | uint64_t val);
|
| 1761 |
|
| 1762 | |
| 1763 | * @atomic_get_property:
|
| 1764 | *
|
| 1765 | * Reads out the decoded driver-private property. This is used to
|
| 1766 | * implement the GETCONNECTOR IOCTL.
|
| 1767 | *
|
| 1768 | * Do not call this function directly, use
|
| 1769 | * drm_atomic_connector_get_property() instead.
|
| 1770 | *
|
| 1771 | * This callback is optional if the driver does not support any
|
| 1772 | * driver-private atomic properties.
|
| 1773 | *
|
| 1774 | * RETURNS:
|
| 1775 | *
|
| 1776 | * 0 on success, -EINVAL if the property isn't implemented by the
|
| 1777 | * driver (which shouldn't ever happen, the core only asks for
|
| 1778 | * properties attached to this connector).
|
| 1779 |
|
| 1780 | int (*atomic_get_property)(struct drm_connector *connector,
|
| 1781 | const struct drm_connector_state *state,
|
| 1782 | struct drm_property *property,
|
| 1783 | uint64_t *val);
|
| 1784 |
|
| 1785 | |
| 1786 | * @atomic_print_state:
|
| 1787 | *
|
| 1788 | * If driver subclasses &struct drm_connector_state, it should implement
|
| 1789 | * this optional hook for printing additional driver specific state.
|
| 1790 | *
|
| 1791 | * Do not call this directly, use drm_atomic_connector_print_state()
|
| 1792 | * instead.
|
| 1793 |
|
| 1794 | void (*atomic_print_state)(struct drm_printer *p,
|
| 1795 | const struct drm_connector_state *state);
|
| 1796 |
|
| 1797 | |
| 1798 | * @oob_hotplug_event:
|
| 1799 | *
|
| 1800 | * This will get called when a hotplug-event for a drm-connector
|
| 1801 | * has been received from a source outside the display driver / device.
|
| 1802 |
|
| 1803 | void (*oob_hotplug_event)(struct drm_connector *connector,
|
| 1804 | enum drm_connector_status status);
|
| 1805 |
|
| 1806 | |
| 1807 | * @debugfs_init:
|
| 1808 | *
|
| 1809 | * Allows connectors to create connector-specific debugfs files.
|
| 1810 |
|
| 1811 | void (*debugfs_init)(struct drm_connector *connector, struct dentry *root);
|
| 1812 |
|
| 1813 | |
| 1814 | * @color_format:
|
| 1815 | *
|
| 1816 | * Allows connectors to return a connector color format other than
|
| 1817 | * @conn_state.color_format for purposes of e.g. display protocol
|
| 1818 | * specific helper logic having already mapped it to an output format.
|
| 1819 |
|
| 1820 | enum drm_connector_color_format (*color_format)(
|
| 1821 | const struct drm_connector_state *conn_state);
|
| 1822 | };
|
| 1823 |
|
| 1824 | |
| 1825 | * struct drm_cmdline_mode - DRM Mode passed through the kernel command-line
|
| 1826 | *
|
| 1827 | * Each connector can have an initial mode with additional options
|
| 1828 | * passed through the kernel command line. This structure allows to
|
| 1829 | * express those parameters and will be filled by the command-line
|
| 1830 | * parser.
|
| 1831 |
|
| 1832 | struct drm_cmdline_mode {
|
| 1833 | |
| 1834 | * @name:
|
| 1835 | *
|
| 1836 | * Name of the mode.
|
| 1837 |
|
| 1838 | char name[DRM_DISPLAY_MODE_LEN];
|
| 1839 |
|
| 1840 | |
| 1841 | * @specified:
|
| 1842 | *
|
| 1843 | * Has a mode been read from the command-line?
|
| 1844 |
|
| 1845 | bool specified;
|
| 1846 |
|
| 1847 | |
| 1848 | * @refresh_specified:
|
| 1849 | *
|
| 1850 | * Did the mode have a preferred refresh rate?
|
| 1851 |
|
| 1852 | bool refresh_specified;
|
| 1853 |
|
| 1854 | |
| 1855 | * @bpp_specified:
|
| 1856 | *
|
| 1857 | * Did the mode have a preferred BPP?
|
| 1858 |
|
| 1859 | bool bpp_specified;
|
| 1860 |
|
| 1861 | |
| 1862 | * @pixel_clock:
|
| 1863 | *
|
| 1864 | * Pixel Clock in kHz. Optional.
|
| 1865 |
|
| 1866 | unsigned int pixel_clock;
|
| 1867 |
|
| 1868 | |
| 1869 | * @xres:
|
| 1870 | *
|
| 1871 | * Active resolution on the X axis, in pixels.
|
| 1872 |
|
| 1873 | int xres;
|
| 1874 |
|
| 1875 | |
| 1876 | * @yres:
|
| 1877 | *
|
| 1878 | * Active resolution on the Y axis, in pixels.
|
| 1879 |
|
| 1880 | int yres;
|
| 1881 |
|
| 1882 | |
| 1883 | * @bpp:
|
| 1884 | *
|
| 1885 | * Bits per pixels for the mode.
|
| 1886 |
|
| 1887 | int bpp;
|
| 1888 |
|
| 1889 | |
| 1890 | * @refresh:
|
| 1891 | *
|
| 1892 | * Refresh rate, in Hertz.
|
| 1893 |
|
| 1894 | int refresh;
|
| 1895 |
|
| 1896 | |
| 1897 | * @rb:
|
| 1898 | *
|
| 1899 | * Do we need to use reduced blanking?
|
| 1900 |
|
| 1901 | bool rb;
|
| 1902 |
|
| 1903 | |
| 1904 | * @interlace:
|
| 1905 | *
|
| 1906 | * The mode is interlaced.
|
| 1907 |
|
| 1908 | bool interlace;
|
| 1909 |
|
| 1910 | |
| 1911 | * @cvt:
|
| 1912 | *
|
| 1913 | * The timings will be calculated using the VESA Coordinated
|
| 1914 | * Video Timings instead of looking up the mode from a table.
|
| 1915 |
|
| 1916 | bool cvt;
|
| 1917 |
|
| 1918 | |
| 1919 | * @margins:
|
| 1920 | *
|
| 1921 | * Add margins to the mode calculation (1.8% of xres rounded
|
| 1922 | * down to 8 pixels and 1.8% of yres).
|
| 1923 |
|
| 1924 | bool margins;
|
| 1925 |
|
| 1926 | |
| 1927 | * @force:
|
| 1928 | *
|
| 1929 | * Ignore the hotplug state of the connector, and force its
|
| 1930 | * state to one of the DRM_FORCE_* values.
|
| 1931 |
|
| 1932 | enum drm_connector_force force;
|
| 1933 |
|
| 1934 | |
| 1935 | * @rotation_reflection:
|
| 1936 | *
|
| 1937 | * Initial rotation and reflection of the mode setup from the
|
| 1938 | * command line. See DRM_MODE_ROTATE_* and
|
| 1939 | * DRM_MODE_REFLECT_*. The only rotations supported are
|
| 1940 | * DRM_MODE_ROTATE_0 and DRM_MODE_ROTATE_180.
|
| 1941 |
|
| 1942 | unsigned int rotation_reflection;
|
| 1943 |
|
| 1944 | |
| 1945 | * @panel_orientation:
|
| 1946 | *
|
| 1947 | * drm-connector "panel orientation" property override value,
|
| 1948 | * DRM_MODE_PANEL_ORIENTATION_UNKNOWN if not set.
|
| 1949 |
|
| 1950 | enum drm_panel_orientation panel_orientation;
|
| 1951 |
|
| 1952 | |
| 1953 | * @tv_margins: TV margins to apply to the mode.
|
| 1954 |
|
| 1955 | struct drm_connector_tv_margins tv_margins;
|
| 1956 |
|
| 1957 | |
| 1958 | * @tv_mode: TV mode standard. See DRM_MODE_TV_MODE_*.
|
| 1959 |
|
| 1960 | enum drm_connector_tv_mode tv_mode;
|
| 1961 |
|
| 1962 | |
| 1963 | * @tv_mode_specified:
|
| 1964 | *
|
| 1965 | * Did the mode have a preferred TV mode?
|
| 1966 |
|
| 1967 | bool tv_mode_specified;
|
| 1968 | };
|
| 1969 |
|
| 1970 | |
| 1971 | * struct drm_connector_hdmi_audio - DRM gemeric HDMI Codec-related structure
|
| 1972 | *
|
| 1973 | * HDMI drivers usually incorporate a HDMI Codec. This structure expresses the
|
| 1974 | * generic HDMI Codec as used by the DRM HDMI Codec framework.
|
| 1975 |
|
| 1976 | struct drm_connector_hdmi_audio {
|
| 1977 | |
| 1978 | * @funcs:
|
| 1979 | *
|
| 1980 | * Implementation of the HDMI codec functionality to be used by the DRM
|
| 1981 | * HDMI Codec framework.
|
| 1982 |
|
| 1983 | const struct drm_connector_hdmi_audio_funcs *funcs;
|
| 1984 |
|
| 1985 | |
| 1986 | * @codec_pdev:
|
| 1987 | *
|
| 1988 | * Platform device created to hold the HDMI Codec. It will be
|
| 1989 | * automatically unregistered during drm_connector_cleanup().
|
| 1990 |
|
| 1991 | struct platform_device *codec_pdev;
|
| 1992 |
|
| 1993 | |
| 1994 | * @lock:
|
| 1995 | *
|
| 1996 | * Mutex to protect @last_state, @plugged_cb and @plugged_cb_dev.
|
| 1997 |
|
| 1998 | struct mutex lock;
|
| 1999 |
|
| 2000 | |
| 2001 | * @plugged_cb:
|
| 2002 | *
|
| 2003 | * Callback to be called when the HDMI sink get plugged to or unplugged
|
| 2004 | * from this connector. This is assigned by the framework when
|
| 2005 | * requested by the ASoC code.
|
| 2006 |
|
| 2007 | void (*plugged_cb)(struct device *dev, bool plugged);
|
| 2008 |
|
| 2009 | |
| 2010 | * @plugged_cb_dev:
|
| 2011 | *
|
| 2012 | * The data for @plugged_cb(). It is being provided by the ASoC.
|
| 2013 |
|
| 2014 | struct device *plugged_cb_dev;
|
| 2015 |
|
| 2016 | |
| 2017 | * @last_state:
|
| 2018 | *
|
| 2019 | * Last plugged state recored by the framework. It is used to correctly
|
| 2020 | * report the state to @plugged_cb().
|
| 2021 |
|
| 2022 | bool last_state;
|
| 2023 |
|
| 2024 | |
| 2025 | * @dai_port:
|
| 2026 | *
|
| 2027 | * The port in DT that is used for the Codec DAI.
|
| 2028 |
|
| 2029 | int dai_port;
|
| 2030 | };
|
| 2031 |
|
| 2032 | |
| 2033 | * struct drm_connector_hdmi - DRM Connector HDMI-related structure
|
| 2034 |
|
| 2035 | struct drm_connector_hdmi {
|
| 2036 | #define DRM_CONNECTOR_HDMI_VENDOR_LEN 8
|
| 2037 | |
| 2038 | * @vendor: HDMI Controller Vendor Name
|
| 2039 |
|
| 2040 | unsigned char vendor[DRM_CONNECTOR_HDMI_VENDOR_LEN] __nonstring;
|
| 2041 |
|
| 2042 | #define DRM_CONNECTOR_HDMI_PRODUCT_LEN 16
|
| 2043 | |
| 2044 | * @product: HDMI Controller Product Name
|
| 2045 |
|
| 2046 | unsigned char product[DRM_CONNECTOR_HDMI_PRODUCT_LEN] __nonstring;
|
| 2047 |
|
| 2048 | |
| 2049 | * @supported_formats: Bitmask of @drm_output_color_format
|
| 2050 | * supported by the controller.
|
| 2051 |
|
| 2052 | unsigned long supported_formats;
|
| 2053 |
|
| 2054 | |
| 2055 | * @funcs: HDMI connector Control Functions
|
| 2056 |
|
| 2057 | const struct drm_connector_hdmi_funcs *funcs;
|
| 2058 |
|
| 2059 | |
| 2060 | * @infoframes: Current Infoframes output by the connector
|
| 2061 |
|
| 2062 | struct {
|
| 2063 | |
| 2064 | * @lock: Mutex protecting against concurrent access to
|
| 2065 | * the infoframes, most notably between KMS and ALSA.
|
| 2066 |
|
| 2067 | struct mutex lock;
|
| 2068 |
|
| 2069 | |
| 2070 | * @audio: Current Audio Infoframes structure. Protected
|
| 2071 | * by @lock.
|
| 2072 |
|
| 2073 | struct drm_connector_hdmi_infoframe audio;
|
| 2074 | } infoframes;
|
| 2075 | };
|
| 2076 |
|
| 2077 | |
| 2078 | * struct drm_connector_cec - DRM Connector CEC-related structure
|
| 2079 |
|
| 2080 | struct drm_connector_cec {
|
| 2081 | |
| 2082 | * @mutex: protects all fields in this structure.
|
| 2083 |
|
| 2084 | struct mutex mutex;
|
| 2085 |
|
| 2086 | |
| 2087 | * @funcs: CEC Control Functions
|
| 2088 |
|
| 2089 | const struct drm_connector_cec_funcs *funcs;
|
| 2090 |
|
| 2091 | |
| 2092 | * @data: CEC implementation-specific data
|
| 2093 |
|
| 2094 | void *data;
|
| 2095 | };
|
| 2096 |
|
| 2097 | |
| 2098 | * struct drm_connector - central DRM connector control structure
|
| 2099 | *
|
| 2100 | * Each connector may be connected to one or more CRTCs, or may be clonable by
|
| 2101 | * another connector if they can share a CRTC. Each connector also has a specific
|
| 2102 | * position in the broader display (referred to as a 'screen' though it could
|
| 2103 | * span multiple monitors).
|
| 2104 |
|
| 2105 | struct drm_connector {
|
| 2106 |
|
| 2107 | struct drm_device *dev;
|
| 2108 |
|
| 2109 | struct device *kdev;
|
| 2110 |
|
| 2111 | struct device_attribute *attr;
|
| 2112 | |
| 2113 | * @fwnode: associated fwnode supplied by platform firmware
|
| 2114 | *
|
| 2115 | * Drivers can set this to associate a fwnode with a connector, drivers
|
| 2116 | * are expected to get a reference on the fwnode when setting this.
|
| 2117 | * drm_connector_cleanup() will call fwnode_handle_put() on this.
|
| 2118 |
|
| 2119 | struct fwnode_handle *fwnode;
|
| 2120 |
|
| 2121 | |
| 2122 | * @head:
|
| 2123 | *
|
| 2124 | * List of all connectors on a @dev, linked from
|
| 2125 | * &drm_mode_config.connector_list. Protected by
|
| 2126 | * &drm_mode_config.connector_list_lock, but please only use
|
| 2127 | * &drm_connector_list_iter to walk this list.
|
| 2128 |
|
| 2129 | struct list_head head;
|
| 2130 |
|
| 2131 | |
| 2132 | * @global_connector_list_entry:
|
| 2133 | *
|
| 2134 | * Connector entry in the global connector-list, used by
|
| 2135 | * drm_connector_find_by_fwnode().
|
| 2136 |
|
| 2137 | struct list_head global_connector_list_entry;
|
| 2138 |
|
| 2139 |
|
| 2140 | struct drm_mode_object base;
|
| 2141 |
|
| 2142 |
|
| 2143 | char *name;
|
| 2144 |
|
| 2145 | |
| 2146 | * @mutex: Lock for general connector state, but currently only protects
|
| 2147 | * @registered. Most of the connector state is still protected by
|
| 2148 | * &drm_mode_config.mutex.
|
| 2149 |
|
| 2150 | struct mutex mutex;
|
| 2151 |
|
| 2152 | |
| 2153 | * @index: Compacted connector index, which matches the position inside
|
| 2154 | * the mode_config.list for drivers not supporting hot-add/removing. Can
|
| 2155 | * be used as an array index. It is invariant over the lifetime of the
|
| 2156 | * connector.
|
| 2157 |
|
| 2158 | unsigned index;
|
| 2159 |
|
| 2160 | |
| 2161 | * @connector_type:
|
| 2162 | * one of the DRM_MODE_CONNECTOR_<foo> types from drm_mode.h
|
| 2163 |
|
| 2164 | int connector_type;
|
| 2165 |
|
| 2166 | int connector_type_id;
|
| 2167 | |
| 2168 | * @interlace_allowed:
|
| 2169 | * Can this connector handle interlaced modes? Only used by
|
| 2170 | * drm_helper_probe_single_connector_modes() for mode filtering.
|
| 2171 |
|
| 2172 | bool interlace_allowed;
|
| 2173 | |
| 2174 | * @doublescan_allowed:
|
| 2175 | * Can this connector handle doublescan? Only used by
|
| 2176 | * drm_helper_probe_single_connector_modes() for mode filtering.
|
| 2177 |
|
| 2178 | bool doublescan_allowed;
|
| 2179 | |
| 2180 | * @stereo_allowed:
|
| 2181 | * Can this connector handle stereo modes? Only used by
|
| 2182 | * drm_helper_probe_single_connector_modes() for mode filtering.
|
| 2183 |
|
| 2184 | bool stereo_allowed;
|
| 2185 |
|
| 2186 | |
| 2187 | * @ycbcr_420_allowed : This bool indicates if this connector is
|
| 2188 | * capable of handling YCBCR 420 output. While parsing the EDID
|
| 2189 | * blocks it's very helpful to know if the source is capable of
|
| 2190 | * handling YCBCR 420 outputs.
|
| 2191 |
|
| 2192 | bool ycbcr_420_allowed;
|
| 2193 |
|
| 2194 | |
| 2195 | * @registration_state: Is this connector initializing, exposed
|
| 2196 | * (registered) with userspace, or unregistered?
|
| 2197 | *
|
| 2198 | * Protected by @mutex.
|
| 2199 |
|
| 2200 | enum drm_connector_registration_state registration_state;
|
| 2201 |
|
| 2202 | |
| 2203 | * @modes:
|
| 2204 | * Modes available on this connector (from fill_modes() + user).
|
| 2205 | * Protected by &drm_mode_config.mutex.
|
| 2206 |
|
| 2207 | struct list_head modes;
|
| 2208 |
|
| 2209 | |
| 2210 | * @status:
|
| 2211 | * One of the drm_connector_status enums (connected, not, or unknown).
|
| 2212 | * Protected by &drm_mode_config.mutex.
|
| 2213 |
|
| 2214 | enum drm_connector_status status;
|
| 2215 |
|
| 2216 | |
| 2217 | * @probed_modes:
|
| 2218 | * These are modes added by probing with DDC or the BIOS, before
|
| 2219 | * filtering is applied. Used by the probe helpers. Protected by
|
| 2220 | * &drm_mode_config.mutex.
|
| 2221 |
|
| 2222 | struct list_head probed_modes;
|
| 2223 |
|
| 2224 | |
| 2225 | * @display_info: Display information is filled from EDID information
|
| 2226 | * when a display is detected. For non hot-pluggable displays such as
|
| 2227 | * flat panels in embedded systems, the driver should initialize the
|
| 2228 | * &drm_display_info.width_mm and &drm_display_info.height_mm fields
|
| 2229 | * with the physical size of the display.
|
| 2230 | *
|
| 2231 | * Protected by &drm_mode_config.mutex.
|
| 2232 |
|
| 2233 | struct drm_display_info display_info;
|
| 2234 |
|
| 2235 |
|
| 2236 | const struct drm_connector_funcs *funcs;
|
| 2237 |
|
| 2238 | |
| 2239 | * @edid_blob_ptr: DRM property containing EDID if present. Protected by
|
| 2240 | * &drm_mode_config.mutex.
|
| 2241 | *
|
| 2242 | * This must be updated only by calling drm_edid_connector_update() or
|
| 2243 | * drm_connector_update_edid_property().
|
| 2244 | *
|
| 2245 | * This must not be used by drivers directly.
|
| 2246 |
|
| 2247 | struct drm_property_blob *edid_blob_ptr;
|
| 2248 |
|
| 2249 |
|
| 2250 | struct drm_object_properties properties;
|
| 2251 |
|
| 2252 | |
| 2253 | * @scaling_mode_property: Optional atomic property to control the
|
| 2254 | * upscaling. See drm_connector_attach_content_protection_property().
|
| 2255 |
|
| 2256 | struct drm_property *scaling_mode_property;
|
| 2257 |
|
| 2258 | |
| 2259 | * @vrr_capable_property: Optional property to help userspace
|
| 2260 | * query hardware support for variable refresh rate on a connector.
|
| 2261 | * connector. Drivers can add the property to a connector by
|
| 2262 | * calling drm_connector_attach_vrr_capable_property().
|
| 2263 | *
|
| 2264 | * This should be updated only by calling
|
| 2265 | * drm_connector_set_vrr_capable_property().
|
| 2266 |
|
| 2267 | struct drm_property *vrr_capable_property;
|
| 2268 |
|
| 2269 | |
| 2270 | * @colorspace_property: Connector property to set the suitable
|
| 2271 | * colorspace supported by the sink.
|
| 2272 |
|
| 2273 | struct drm_property *colorspace_property;
|
| 2274 |
|
| 2275 | |
| 2276 | * @color_format_property: Connector property to set the suitable
|
| 2277 | * color format supported by the sink.
|
| 2278 |
|
| 2279 | struct drm_property *color_format_property;
|
| 2280 |
|
| 2281 | |
| 2282 | * @path_blob_ptr:
|
| 2283 | *
|
| 2284 | * DRM blob property data for the DP MST path property. This should only
|
| 2285 | * be updated by calling drm_connector_set_path_property().
|
| 2286 |
|
| 2287 | struct drm_property_blob *path_blob_ptr;
|
| 2288 |
|
| 2289 | |
| 2290 | * @max_bpc: Maximum bits per color channel the connector supports.
|
| 2291 |
|
| 2292 | unsigned int max_bpc;
|
| 2293 |
|
| 2294 | |
| 2295 | * @max_bpc_property: Default connector property for the max bpc to be
|
| 2296 | * driven out of the connector.
|
| 2297 |
|
| 2298 | struct drm_property *max_bpc_property;
|
| 2299 |
|
| 2300 |
|
| 2301 | struct drm_privacy_screen *privacy_screen;
|
| 2302 |
|
| 2303 |
|
| 2304 | struct notifier_block privacy_screen_notifier;
|
| 2305 |
|
| 2306 | |
| 2307 | * @privacy_screen_sw_state_property: Optional atomic property for the
|
| 2308 | * connector to control the integrated privacy screen.
|
| 2309 |
|
| 2310 | struct drm_property *privacy_screen_sw_state_property;
|
| 2311 |
|
| 2312 | |
| 2313 | * @privacy_screen_hw_state_property: Optional atomic property for the
|
| 2314 | * connector to report the actual integrated privacy screen state.
|
| 2315 |
|
| 2316 | struct drm_property *privacy_screen_hw_state_property;
|
| 2317 |
|
| 2318 | |
| 2319 | * @broadcast_rgb_property: Connector property to set the
|
| 2320 | * Broadcast RGB selection to output with.
|
| 2321 |
|
| 2322 | struct drm_property *broadcast_rgb_property;
|
| 2323 |
|
| 2324 | #define DRM_CONNECTOR_POLL_HPD (1 << 0)
|
| 2325 | #define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
|
| 2326 | #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
|
| 2327 |
|
| 2328 | |
| 2329 | * @polled:
|
| 2330 | *
|
| 2331 | * Connector polling mode, a combination of
|
| 2332 | *
|
| 2333 | * DRM_CONNECTOR_POLL_HPD
|
| 2334 | * The connector generates hotplug events and doesn't need to be
|
| 2335 | * periodically polled. The CONNECT and DISCONNECT flags must not
|
| 2336 | * be set together with the HPD flag.
|
| 2337 | *
|
| 2338 | * DRM_CONNECTOR_POLL_CONNECT
|
| 2339 | * Periodically poll the connector for connection.
|
| 2340 | *
|
| 2341 | * DRM_CONNECTOR_POLL_DISCONNECT
|
| 2342 | * Periodically poll the connector for disconnection, without
|
| 2343 | * causing flickering even when the connector is in use. DACs should
|
| 2344 | * rarely do this without a lot of testing.
|
| 2345 | *
|
| 2346 | * Set to 0 for connectors that don't support connection status
|
| 2347 | * discovery.
|
| 2348 |
|
| 2349 | uint8_t polled;
|
| 2350 |
|
| 2351 | |
| 2352 | * @dpms: Current dpms state. For legacy drivers the
|
| 2353 | * &drm_connector_funcs.dpms callback must update this. For atomic
|
| 2354 | * drivers, this is handled by the core atomic code, and drivers must
|
| 2355 | * only take &drm_crtc_state.active into account.
|
| 2356 |
|
| 2357 | int dpms;
|
| 2358 |
|
| 2359 |
|
| 2360 | const struct drm_connector_helper_funcs *helper_private;
|
| 2361 |
|
| 2362 |
|
| 2363 | struct drm_cmdline_mode cmdline_mode;
|
| 2364 |
|
| 2365 | enum drm_connector_force force;
|
| 2366 |
|
| 2367 | |
| 2368 | * @edid_override: Override EDID set via debugfs.
|
| 2369 | *
|
| 2370 | * Do not modify or access outside of the drm_edid_override_* family of
|
| 2371 | * functions.
|
| 2372 |
|
| 2373 | const struct drm_edid *edid_override;
|
| 2374 |
|
| 2375 | |
| 2376 | * @edid_override_mutex: Protect access to edid_override.
|
| 2377 |
|
| 2378 | struct mutex edid_override_mutex;
|
| 2379 |
|
| 2380 | |
| 2381 | * @epoch_counter: Used to detect changes in connector. Increased when
|
| 2382 | * the connector, including its status, is changed.
|
| 2383 |
|
| 2384 | u64 epoch_counter;
|
| 2385 |
|
| 2386 | |
| 2387 | * @possible_encoders: Bit mask of encoders that can drive this
|
| 2388 | * connector, drm_encoder_index() determines the index into the bitfield
|
| 2389 | * and the bits are set with drm_connector_attach_encoder().
|
| 2390 |
|
| 2391 | u32 possible_encoders;
|
| 2392 |
|
| 2393 | |
| 2394 | * @encoder: Currently bound encoder driving this connector, if any.
|
| 2395 | * Only really meaningful for non-atomic drivers. Atomic drivers should
|
| 2396 | * instead look at &drm_connector_state.best_encoder, and in case they
|
| 2397 | * need the CRTC driving this output, &drm_connector_state.crtc.
|
| 2398 |
|
| 2399 | struct drm_encoder *encoder;
|
| 2400 |
|
| 2401 | #define MAX_ELD_BYTES 128
|
| 2402 |
|
| 2403 | uint8_t eld[MAX_ELD_BYTES];
|
| 2404 |
|
| 2405 | struct mutex eld_mutex;
|
| 2406 |
|
| 2407 |
|
| 2408 | bool latency_present[2];
|
| 2409 | |
| 2410 | * @video_latency: Video latency info from ELD, if found.
|
| 2411 | * [0]: progressive, [1]: interlaced
|
| 2412 |
|
| 2413 | int video_latency[2];
|
| 2414 | |
| 2415 | * @audio_latency: audio latency info from ELD, if found
|
| 2416 | * [0]: progressive, [1]: interlaced
|
| 2417 |
|
| 2418 | int audio_latency[2];
|
| 2419 |
|
| 2420 | |
| 2421 | * @ddc: associated ddc adapter.
|
| 2422 | * A connector usually has its associated ddc adapter. If a driver uses
|
| 2423 | * this field, then an appropriate symbolic link is created in connector
|
| 2424 | * sysfs directory to make it easy for the user to tell which i2c
|
| 2425 | * adapter is for a particular display.
|
| 2426 | *
|
| 2427 | * The field should be set by calling drm_connector_init_with_ddc().
|
| 2428 |
|
| 2429 | struct i2c_adapter *ddc;
|
| 2430 |
|
| 2431 | |
| 2432 | * @null_edid_counter: track sinks that give us all zeros for the EDID.
|
| 2433 | * Needed to workaround some HW bugs where we get all 0s
|
| 2434 |
|
| 2435 | int null_edid_counter;
|
| 2436 |
|
| 2437 |
|
| 2438 | unsigned bad_edid_counter;
|
| 2439 |
|
| 2440 | |
| 2441 | * @edid_corrupt: Indicates whether the last read EDID was corrupt. Used
|
| 2442 | * in Displayport compliance testing - Displayport Link CTS Core 1.2
|
| 2443 | * rev1.1 4.2.2.6
|
| 2444 |
|
| 2445 | bool edid_corrupt;
|
| 2446 | |
| 2447 | * @real_edid_checksum: real edid checksum for corrupted edid block.
|
| 2448 | * Required in Displayport 1.4 compliance testing
|
| 2449 | * rev1.1 4.2.2.6
|
| 2450 |
|
| 2451 | u8 real_edid_checksum;
|
| 2452 |
|
| 2453 |
|
| 2454 | struct dentry *debugfs_entry;
|
| 2455 |
|
| 2456 | |
| 2457 | * @state:
|
| 2458 | *
|
| 2459 | * Current atomic state for this connector.
|
| 2460 | *
|
| 2461 | * This is protected by &drm_mode_config.connection_mutex. Note that
|
| 2462 | * nonblocking atomic commits access the current connector state without
|
| 2463 | * taking locks. Either by going through the &struct drm_atomic_commit
|
| 2464 | * pointers, see for_each_oldnew_connector_in_state(),
|
| 2465 | * for_each_old_connector_in_state() and
|
| 2466 | * for_each_new_connector_in_state(). Or through careful ordering of
|
| 2467 | * atomic commit operations as implemented in the atomic helpers, see
|
| 2468 | * &struct drm_crtc_commit.
|
| 2469 |
|
| 2470 | struct drm_connector_state *state;
|
| 2471 |
|
| 2472 |
|
| 2473 |
|
| 2474 | |
| 2475 | * @tile_blob_ptr:
|
| 2476 | *
|
| 2477 | * DRM blob property data for the tile property (used mostly by DP MST).
|
| 2478 | * This is meant for screens which are driven through separate display
|
| 2479 | * pipelines represented by &drm_crtc, which might not be running with
|
| 2480 | * genlocked clocks. For tiled panels which are genlocked, like
|
| 2481 | * dual-link LVDS or dual-link DSI, the driver should try to not expose
|
| 2482 | * the tiling and virtualize both &drm_crtc and &drm_plane if needed.
|
| 2483 | *
|
| 2484 | * This should only be updated by calling
|
| 2485 | * drm_connector_set_tile_property().
|
| 2486 |
|
| 2487 | struct drm_property_blob *tile_blob_ptr;
|
| 2488 |
|
| 2489 |
|
| 2490 | bool has_tile;
|
| 2491 |
|
| 2492 | struct drm_tile_group *tile_group;
|
| 2493 |
|
| 2494 | bool tile_is_single_monitor;
|
| 2495 |
|
| 2496 |
|
| 2497 |
|
| 2498 | uint8_t num_h_tile, num_v_tile;
|
| 2499 |
|
| 2500 |
|
| 2501 | uint8_t tile_h_loc, tile_v_loc;
|
| 2502 |
|
| 2503 |
|
| 2504 | uint16_t tile_h_size, tile_v_size;
|
| 2505 |
|
| 2506 | |
| 2507 | * @free_node:
|
| 2508 | *
|
| 2509 | * List used only by &drm_connector_list_iter to be able to clean up a
|
| 2510 | * connector from any context, in conjunction with
|
| 2511 | * &drm_mode_config.connector_free_work.
|
| 2512 |
|
| 2513 | struct llist_node free_node;
|
| 2514 |
|
| 2515 | |
| 2516 | * @hdmi: HDMI-related variable and properties.
|
| 2517 |
|
| 2518 | struct drm_connector_hdmi hdmi;
|
| 2519 |
|
| 2520 | |
| 2521 | * @hdmi_audio: HDMI codec properties and non-DRM state.
|
| 2522 |
|
| 2523 | struct drm_connector_hdmi_audio hdmi_audio;
|
| 2524 |
|
| 2525 | |
| 2526 | * @cec: CEC-related data.
|
| 2527 |
|
| 2528 | struct drm_connector_cec cec;
|
| 2529 | };
|
| 2530 |
|
| 2531 | #define obj_to_connector(x) container_of(x, struct drm_connector, base)
|
| 2532 |
|
| 2533 | int drm_connector_init(struct drm_device *dev,
|
| 2534 | struct drm_connector *connector,
|
| 2535 | const struct drm_connector_funcs *funcs,
|
| 2536 | int connector_type);
|
| 2537 | int drm_connector_dynamic_init(struct drm_device *dev,
|
| 2538 | struct drm_connector *connector,
|
| 2539 | const struct drm_connector_funcs *funcs,
|
| 2540 | int connector_type,
|
| 2541 | struct i2c_adapter *ddc);
|
| 2542 | int drm_connector_init_with_ddc(struct drm_device *dev,
|
| 2543 | struct drm_connector *connector,
|
| 2544 | const struct drm_connector_funcs *funcs,
|
| 2545 | int connector_type,
|
| 2546 | struct i2c_adapter *ddc);
|
| 2547 | int drmm_connector_init(struct drm_device *dev,
|
| 2548 | struct drm_connector *connector,
|
| 2549 | const struct drm_connector_funcs *funcs,
|
| 2550 | int connector_type,
|
| 2551 | struct i2c_adapter *ddc);
|
| 2552 | int drmm_connector_hdmi_init(struct drm_device *dev,
|
| 2553 | struct drm_connector *connector,
|
| 2554 | const char *vendor, const char *product,
|
| 2555 | const struct drm_connector_funcs *funcs,
|
| 2556 | const struct drm_connector_hdmi_funcs *hdmi_funcs,
|
| 2557 | int connector_type,
|
| 2558 | struct i2c_adapter *ddc,
|
| 2559 | unsigned long supported_formats,
|
| 2560 | unsigned int max_bpc);
|
| 2561 | void drm_connector_attach_edid_property(struct drm_connector *connector);
|
| 2562 | int drm_connector_register(struct drm_connector *connector);
|
| 2563 | int drm_connector_dynamic_register(struct drm_connector *connector);
|
| 2564 | void drm_connector_unregister(struct drm_connector *connector);
|
| 2565 | int drm_connector_attach_encoder(struct drm_connector *connector,
|
| 2566 | struct drm_encoder *encoder);
|
| 2567 |
|
| 2568 | void drm_connector_cleanup(struct drm_connector *connector);
|
| 2569 |
|
| 2570 | static inline unsigned int drm_connector_index(const struct drm_connector *connector)
|
| 2571 | {
|
| 2572 | return connector->index;
|
| 2573 | }
|
| 2574 |
|
| 2575 | static inline u32 drm_connector_mask(const struct drm_connector *connector)
|
| 2576 | {
|
| 2577 | return 1 << connector->index;
|
| 2578 | }
|
| 2579 |
|
| 2580 | |
| 2581 | * drm_connector_lookup - lookup connector object
|
| 2582 | * @dev: DRM device
|
| 2583 | * @file_priv: drm file to check for lease against.
|
| 2584 | * @id: connector object id
|
| 2585 | *
|
| 2586 | * This function looks up the connector object specified by id
|
| 2587 | * add takes a reference to it.
|
| 2588 |
|
| 2589 | static inline struct drm_connector *drm_connector_lookup(struct drm_device *dev,
|
| 2590 | struct drm_file *file_priv,
|
| 2591 | uint32_t id)
|
| 2592 | {
|
| 2593 | struct drm_mode_object *mo;
|
| 2594 | mo = drm_mode_object_find(dev, file_priv, id, DRM_MODE_OBJECT_CONNECTOR);
|
| 2595 | return mo ? obj_to_connector(mo) : NULL;
|
| 2596 | }
|
| 2597 |
|
| 2598 | |
| 2599 | * drm_connector_get - acquire a connector reference
|
| 2600 | * @connector: DRM connector
|
| 2601 | *
|
| 2602 | * This function increments the connector's refcount.
|
| 2603 |
|
| 2604 | static inline void drm_connector_get(struct drm_connector *connector)
|
| 2605 | {
|
| 2606 | drm_mode_object_get(&connector->base);
|
| 2607 | }
|
| 2608 |
|
| 2609 | |
| 2610 | * drm_connector_put - release a connector reference
|
| 2611 | * @connector: DRM connector
|
| 2612 | *
|
| 2613 | * This function decrements the connector's reference count and frees the
|
| 2614 | * object if the reference count drops to zero.
|
| 2615 |
|
| 2616 | static inline void drm_connector_put(struct drm_connector *connector)
|
| 2617 | {
|
| 2618 | drm_mode_object_put(&connector->base);
|
| 2619 | }
|
| 2620 |
|
| 2621 | |
| 2622 | * drm_connector_is_unregistered - has the connector been unregistered from
|
| 2623 | * userspace?
|
| 2624 | * @connector: DRM connector
|
| 2625 | *
|
| 2626 | * Checks whether or not @connector has been unregistered from userspace.
|
| 2627 | *
|
| 2628 | * Returns:
|
| 2629 | * True if the connector was unregistered, false if the connector is
|
| 2630 | * registered or has not yet been registered with userspace.
|
| 2631 |
|
| 2632 | static inline bool
|
| 2633 | drm_connector_is_unregistered(struct drm_connector *connector)
|
| 2634 | {
|
| 2635 | return READ_ONCE(connector->registration_state) ==
|
| 2636 | DRM_CONNECTOR_UNREGISTERED;
|
| 2637 | }
|
| 2638 |
|
| 2639 | void drm_connector_oob_hotplug_event(struct fwnode_handle *connector_fwnode,
|
| 2640 | enum drm_connector_status status);
|
| 2641 | enum drm_connector_color_format
|
| 2642 | drm_connector_get_color_format(const struct drm_connector_state *conn_state);
|
| 2643 | const char *drm_get_connector_type_name(unsigned int connector_type);
|
| 2644 | const char *drm_get_connector_status_name(enum drm_connector_status status);
|
| 2645 | const char *drm_get_subpixel_order_name(enum subpixel_order order);
|
| 2646 | const char *drm_get_dpms_name(int val);
|
| 2647 | const char *drm_get_dvi_i_subconnector_name(int val);
|
| 2648 | const char *drm_get_dvi_i_select_name(int val);
|
| 2649 | const char *drm_get_tv_mode_name(int val);
|
| 2650 | const char *drm_get_tv_subconnector_name(int val);
|
| 2651 | const char *drm_get_tv_select_name(int val);
|
| 2652 | const char *drm_get_dp_subconnector_name(int val);
|
| 2653 | const char *drm_get_content_protection_name(int val);
|
| 2654 | const char *drm_get_hdcp_content_type_name(int val);
|
| 2655 |
|
| 2656 | int drm_get_tv_mode_from_name(const char *name, size_t len);
|
| 2657 |
|
| 2658 | int drm_mode_create_dvi_i_properties(struct drm_device *dev);
|
| 2659 | void drm_connector_attach_dp_subconnector_property(struct drm_connector *connector);
|
| 2660 |
|
| 2661 | int drm_mode_create_tv_margin_properties(struct drm_device *dev);
|
| 2662 | int drm_mode_create_tv_properties_legacy(struct drm_device *dev,
|
| 2663 | unsigned int num_modes,
|
| 2664 | const char * const modes[]);
|
| 2665 | int drm_mode_create_tv_properties(struct drm_device *dev,
|
| 2666 | unsigned int supported_tv_modes);
|
| 2667 | void drm_connector_attach_tv_margin_properties(struct drm_connector *conn);
|
| 2668 | int drm_mode_create_scaling_mode_property(struct drm_device *dev);
|
| 2669 | int drm_connector_attach_content_type_property(struct drm_connector *dev);
|
| 2670 | int drm_connector_attach_scaling_mode_property(struct drm_connector *connector,
|
| 2671 | u32 scaling_mode_mask);
|
| 2672 | int drm_connector_attach_vrr_capable_property(
|
| 2673 | struct drm_connector *connector);
|
| 2674 | void drm_connector_attach_panel_type_property(struct drm_connector *connector);
|
| 2675 | int drm_connector_attach_broadcast_rgb_property(struct drm_connector *connector);
|
| 2676 | int drm_connector_attach_colorspace_property(struct drm_connector *connector);
|
| 2677 | void drm_connector_attach_hdr_output_metadata_property(struct drm_connector *connector);
|
| 2678 | bool drm_connector_atomic_hdr_metadata_equal(struct drm_connector_state *old_state,
|
| 2679 | struct drm_connector_state *new_state);
|
| 2680 | int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
|
| 2681 | int drm_mode_create_hdmi_colorspace_property(struct drm_connector *connector,
|
| 2682 | u32 supported_colorspaces);
|
| 2683 | int drm_mode_create_dp_colorspace_property(struct drm_connector *connector,
|
| 2684 | u32 supported_colorspaces);
|
| 2685 | int drm_mode_create_content_type_property(struct drm_device *dev);
|
| 2686 | int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
|
| 2687 |
|
| 2688 | int drm_connector_set_path_property(struct drm_connector *connector,
|
| 2689 | const char *path);
|
| 2690 | int drm_connector_set_tile_property(struct drm_connector *connector);
|
| 2691 | int drm_connector_update_edid_property(struct drm_connector *connector,
|
| 2692 | const struct edid *edid);
|
| 2693 | void drm_connector_set_link_status_property(struct drm_connector *connector,
|
| 2694 | uint64_t link_status);
|
| 2695 | void drm_connector_set_vrr_capable_property(
|
| 2696 | struct drm_connector *connector, bool capable);
|
| 2697 | int drm_connector_set_panel_orientation(
|
| 2698 | struct drm_connector *connector,
|
| 2699 | enum drm_panel_orientation panel_orientation);
|
| 2700 | int drm_connector_set_panel_orientation_with_quirk(
|
| 2701 | struct drm_connector *connector,
|
| 2702 | enum drm_panel_orientation panel_orientation,
|
| 2703 | int width, int height);
|
| 2704 | int drm_connector_set_orientation_from_panel(
|
| 2705 | struct drm_connector *connector,
|
| 2706 | struct drm_panel *panel);
|
| 2707 | int drm_connector_attach_max_bpc_property(struct drm_connector *connector,
|
| 2708 | int min, int max);
|
| 2709 | void drm_connector_create_privacy_screen_properties(struct drm_connector *conn);
|
| 2710 | void drm_connector_attach_privacy_screen_properties(struct drm_connector *conn);
|
| 2711 | void drm_connector_attach_privacy_screen_provider(
|
| 2712 | struct drm_connector *connector, struct drm_privacy_screen *priv);
|
| 2713 | void drm_connector_update_privacy_screen(const struct drm_connector_state *connector_state);
|
| 2714 |
|
| 2715 | |
| 2716 | * struct drm_tile_group - Tile group metadata
|
| 2717 | * @refcount: reference count
|
| 2718 | * @dev: DRM device
|
| 2719 | * @id: tile group id exposed to userspace
|
| 2720 | * @group_data: Sink-private data identifying this group
|
| 2721 | *
|
| 2722 | * @group_data corresponds to displayid vend/prod/serial for external screens
|
| 2723 | * with an EDID.
|
| 2724 |
|
| 2725 | struct drm_tile_group {
|
| 2726 | struct kref refcount;
|
| 2727 | struct drm_device *dev;
|
| 2728 | int id;
|
| 2729 | u8 group_data[9];
|
| 2730 | };
|
| 2731 |
|
| 2732 | struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev,
|
| 2733 | const char topology_id[9]);
|
| 2734 | struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev,
|
| 2735 | const char topology_id[9]);
|
| 2736 | void drm_mode_put_tile_group(struct drm_device *dev,
|
| 2737 | struct drm_tile_group *tg);
|
| 2738 |
|
| 2739 | |
| 2740 | * struct drm_connector_list_iter - connector_list iterator
|
| 2741 | *
|
| 2742 | * This iterator tracks state needed to be able to walk the connector_list
|
| 2743 | * within struct drm_mode_config. Only use together with
|
| 2744 | * drm_connector_list_iter_begin(), drm_connector_list_iter_end() and
|
| 2745 | * drm_connector_list_iter_next() respectively the convenience macro
|
| 2746 | * drm_for_each_connector_iter().
|
| 2747 | *
|
| 2748 | * Note that the return value of drm_connector_list_iter_next() is only valid
|
| 2749 | * up to the next drm_connector_list_iter_next() or
|
| 2750 | * drm_connector_list_iter_end() call. If you want to use the connector later,
|
| 2751 | * then you need to grab your own reference first using drm_connector_get().
|
| 2752 |
|
| 2753 | struct drm_connector_list_iter {
|
| 2754 |
|
| 2755 | struct drm_device *dev;
|
| 2756 | struct drm_connector *conn;
|
| 2757 | };
|
| 2758 |
|
| 2759 | void drm_connector_list_iter_begin(struct drm_device *dev,
|
| 2760 | struct drm_connector_list_iter *iter);
|
| 2761 | struct drm_connector *
|
| 2762 | drm_connector_list_iter_next(struct drm_connector_list_iter *iter);
|
| 2763 | void drm_connector_list_iter_end(struct drm_connector_list_iter *iter);
|
| 2764 |
|
| 2765 | bool drm_connector_has_possible_encoder(struct drm_connector *connector,
|
| 2766 | struct drm_encoder *encoder);
|
| 2767 | const char *drm_get_colorspace_name(enum drm_colorspace colorspace);
|
| 2768 |
|
| 2769 | int drm_connector_attach_color_format_property(struct drm_connector *connector,
|
| 2770 | unsigned long supported_color_formats);
|
| 2771 |
|
| 2772 | |
| 2773 | * drm_for_each_connector_iter - connector_list iterator macro
|
| 2774 | * @connector: &struct drm_connector pointer used as cursor
|
| 2775 | * @iter: &struct drm_connector_list_iter
|
| 2776 | *
|
| 2777 | * Note that @connector is only valid within the list body, if you want to use
|
| 2778 | * @connector after calling drm_connector_list_iter_end() then you need to grab
|
| 2779 | * your own reference first using drm_connector_get().
|
| 2780 |
|
| 2781 | #define drm_for_each_connector_iter(connector, iter) \
|
| 2782 | while ((connector = drm_connector_list_iter_next(iter)))
|
| 2783 |
|
| 2784 | |
| 2785 | * drm_connector_for_each_possible_encoder - iterate connector's possible encoders
|
| 2786 | * @connector: &struct drm_connector pointer
|
| 2787 | * @encoder: &struct drm_encoder pointer used as cursor
|
| 2788 |
|
| 2789 | #define drm_connector_for_each_possible_encoder(connector, encoder) \
|
| 2790 | drm_for_each_encoder_mask(encoder, (connector)->dev, \
|
| 2791 | (connector)->possible_encoders)
|
| 2792 |
|
| 2793 | #endif
|