Blame xf86drmMode.h

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/*
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 * \file xf86drmMode.h
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 * Header for DRM modesetting interface.
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 *
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 * \author Jakob Bornecrantz <wallbraker@gmail.com>
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 *
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 * \par Acknowledgements:
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 * Feb 2007, Dave Airlie <airlied@linux.ie>
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 */
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/*
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 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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 * Copyright (c) 2007-2008 Dave Airlie <airlied@linux.ie>
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 * Copyright (c) 2007-2008 Jakob Bornecrantz <wallbraker@gmail.com>
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 *
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 */
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#ifndef _XF86DRMMODE_H_
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#define _XF86DRMMODE_H_
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#include <drm.h>
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/*
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 * This is the interface for modesetting for drm.
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 *
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 * In order to use this interface you must include either <stdint.h> or another
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 * header defining uint32_t, int32_t and uint16_t.
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 *
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 * It aims to provide a randr1.2 compatible interface for modesettings in the
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 * kernel, the interface is also meant to be used by libraries like EGL.
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 *
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 * More information can be found in randrproto.txt which can be found here:
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 * http://gitweb.freedesktop.org/?p=xorg/proto/randrproto.git
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 *
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 * There are some major differences to be noted. Unlike the randr1.2 proto you
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 * need to create the memory object of the framebuffer yourself with the ttm
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 * buffer object interface. This object needs to be pinned.
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 */
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/*
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 * If we pickup an old version of drm.h which doesn't include drm_mode.h
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 * we should redefine defines. This is so that builds doesn't breaks with
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 * new libdrm on old kernels.
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 */
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#ifndef _DRM_MODE_H
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#define DRM_DISPLAY_INFO_LEN    32
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#define DRM_CONNECTOR_NAME_LEN  32
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#define DRM_DISPLAY_MODE_LEN    32
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#define DRM_PROP_NAME_LEN       32
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#define DRM_MODE_TYPE_BUILTIN   (1<<0)
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#define DRM_MODE_TYPE_CLOCK_C   ((1<<1) | DRM_MODE_TYPE_BUILTIN)
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#define DRM_MODE_TYPE_CRTC_C    ((1<<2) | DRM_MODE_TYPE_BUILTIN)
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#define DRM_MODE_TYPE_PREFERRED (1<<3)
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#define DRM_MODE_TYPE_DEFAULT   (1<<4)
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#define DRM_MODE_TYPE_USERDEF   (1<<5)
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#define DRM_MODE_TYPE_DRIVER    (1<<6)
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/* Video mode flags */
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/* bit compatible with the xorg definitions. */
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#define DRM_MODE_FLAG_PHSYNC			(1<<0)
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#define DRM_MODE_FLAG_NHSYNC			(1<<1)
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#define DRM_MODE_FLAG_PVSYNC			(1<<2)
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#define DRM_MODE_FLAG_NVSYNC			(1<<3)
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#define DRM_MODE_FLAG_INTERLACE			(1<<4)
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#define DRM_MODE_FLAG_DBLSCAN			(1<<5)
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#define DRM_MODE_FLAG_CSYNC			(1<<6)
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#define DRM_MODE_FLAG_PCSYNC			(1<<7)
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#define DRM_MODE_FLAG_NCSYNC			(1<<8)
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#define DRM_MODE_FLAG_HSKEW			(1<<9) /* hskew provided */
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#define DRM_MODE_FLAG_BCAST			(1<<10)
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#define DRM_MODE_FLAG_PIXMUX			(1<<11)
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#define DRM_MODE_FLAG_DBLCLK			(1<<12)
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#define DRM_MODE_FLAG_CLKDIV2			(1<<13)
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#define DRM_MODE_FLAG_3D_MASK			(0x1f<<14)
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#define  DRM_MODE_FLAG_3D_NONE			(0<<14)
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#define  DRM_MODE_FLAG_3D_FRAME_PACKING		(1<<14)
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#define  DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE	(2<<14)
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#define  DRM_MODE_FLAG_3D_LINE_ALTERNATIVE	(3<<14)
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#define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL	(4<<14)
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#define  DRM_MODE_FLAG_3D_L_DEPTH		(5<<14)
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#define  DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH	(6<<14)
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#define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
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#define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
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/* DPMS flags */
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/* bit compatible with the xorg definitions. */
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#define DRM_MODE_DPMS_ON        0
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#define DRM_MODE_DPMS_STANDBY   1
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#define DRM_MODE_DPMS_SUSPEND   2
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#define DRM_MODE_DPMS_OFF       3
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/* Scaling mode options */
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#define DRM_MODE_SCALE_NON_GPU          0
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#define DRM_MODE_SCALE_FULLSCREEN       1
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#define DRM_MODE_SCALE_NO_SCALE         2
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#define DRM_MODE_SCALE_ASPECT           3
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/* Dithering mode options */
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#define DRM_MODE_DITHERING_OFF  0
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#define DRM_MODE_DITHERING_ON   1
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#define DRM_MODE_ENCODER_NONE    0
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#define DRM_MODE_ENCODER_DAC     1
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#define DRM_MODE_ENCODER_TMDS    2
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#define DRM_MODE_ENCODER_LVDS    3
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#define DRM_MODE_ENCODER_TVDAC   4
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#define DRM_MODE_ENCODER_VIRTUAL 5
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#define DRM_MODE_ENCODER_DSI     6
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#define DRM_MODE_ENCODER_DPMST   7
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#define DRM_MODE_ENCODER_DPI     8
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#define DRM_MODE_SUBCONNECTOR_Automatic 0
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#define DRM_MODE_SUBCONNECTOR_Unknown   0
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#define DRM_MODE_SUBCONNECTOR_DVID      3
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#define DRM_MODE_SUBCONNECTOR_DVIA      4
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#define DRM_MODE_SUBCONNECTOR_Composite 5
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#define DRM_MODE_SUBCONNECTOR_SVIDEO    6
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#define DRM_MODE_SUBCONNECTOR_Component 8
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#define DRM_MODE_SUBCONNECTOR_SCART     9
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#define DRM_MODE_CONNECTOR_Unknown      0
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#define DRM_MODE_CONNECTOR_VGA          1
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#define DRM_MODE_CONNECTOR_DVII         2
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#define DRM_MODE_CONNECTOR_DVID         3
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#define DRM_MODE_CONNECTOR_DVIA         4
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#define DRM_MODE_CONNECTOR_Composite    5
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#define DRM_MODE_CONNECTOR_SVIDEO       6
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#define DRM_MODE_CONNECTOR_LVDS         7
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#define DRM_MODE_CONNECTOR_Component    8
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#define DRM_MODE_CONNECTOR_9PinDIN      9
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#define DRM_MODE_CONNECTOR_DisplayPort  10
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#define DRM_MODE_CONNECTOR_HDMIA        11
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#define DRM_MODE_CONNECTOR_HDMIB        12
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#define DRM_MODE_CONNECTOR_TV           13
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#define DRM_MODE_CONNECTOR_eDP          14
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#define DRM_MODE_CONNECTOR_VIRTUAL      15
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#define DRM_MODE_CONNECTOR_DSI          16
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#define DRM_MODE_CONNECTOR_DPI          17
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#define DRM_MODE_PROP_PENDING   (1<<0)
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#define DRM_MODE_PROP_RANGE     (1<<1)
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#define DRM_MODE_PROP_IMMUTABLE (1<<2)
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#define DRM_MODE_PROP_ENUM      (1<<3) /* enumerated type with text strings */
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#define DRM_MODE_PROP_BLOB      (1<<4)
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#define DRM_MODE_CURSOR_BO      (1<<0)
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#define DRM_MODE_CURSOR_MOVE    (1<<1)
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#endif /* _DRM_MODE_H */
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/*
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 * Feature defines
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 *
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 * Just because these are defined doesn't mean that the kernel
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 * can do that feature, its just for new code vs old libdrm.
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 */
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#define DRM_MODE_FEATURE_KMS		1
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#define DRM_MODE_FEATURE_DIRTYFB	1
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typedef struct _drmModeRes {
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	int count_fbs;
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	uint32_t *fbs;
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	int count_crtcs;
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	uint32_t *crtcs;
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	int count_connectors;
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	uint32_t *connectors;
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	int count_encoders;
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	uint32_t *encoders;
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	uint32_t min_width, max_width;
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	uint32_t min_height, max_height;
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} drmModeRes, *drmModeResPtr;
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typedef struct _drmModeModeInfo {
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	uint32_t clock;
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	uint16_t hdisplay, hsync_start, hsync_end, htotal, hskew;
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	uint16_t vdisplay, vsync_start, vsync_end, vtotal, vscan;
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	uint32_t vrefresh;
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	uint32_t flags;
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	uint32_t type;
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	char name[DRM_DISPLAY_MODE_LEN];
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} drmModeModeInfo, *drmModeModeInfoPtr;
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typedef struct _drmModeFB {
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	uint32_t fb_id;
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	uint32_t width, height;
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	uint32_t pitch;
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	uint32_t bpp;
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	uint32_t depth;
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	/* driver specific handle */
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	uint32_t handle;
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} drmModeFB, *drmModeFBPtr;
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typedef struct drm_clip_rect drmModeClip, *drmModeClipPtr;
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typedef struct _drmModePropertyBlob {
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	uint32_t id;
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	uint32_t length;
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	void *data;
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} drmModePropertyBlobRes, *drmModePropertyBlobPtr;
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typedef struct _drmModeProperty {
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	uint32_t prop_id;
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	uint32_t flags;
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	char name[DRM_PROP_NAME_LEN];
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	int count_values;
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	uint64_t *values; /* store the blob lengths */
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	int count_enums;
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	struct drm_mode_property_enum *enums;
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	int count_blobs;
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	uint32_t *blob_ids; /* store the blob IDs */
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} drmModePropertyRes, *drmModePropertyPtr;
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static __inline int drm_property_type_is(drmModePropertyPtr property,
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		uint32_t type)
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{
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	/* instanceof for props.. handles extended type vs original types: */
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	if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE)
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		return (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) == type;
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	return property->flags & type;
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}
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typedef struct _drmModeCrtc {
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	uint32_t crtc_id;
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	uint32_t buffer_id; /**< FB id to connect to 0 = disconnect */
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	uint32_t x, y; /**< Position on the framebuffer */
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	uint32_t width, height;
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	int mode_valid;
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	drmModeModeInfo mode;
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	int gamma_size; /**< Number of gamma stops */
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} drmModeCrtc, *drmModeCrtcPtr;
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typedef struct _drmModeEncoder {
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	uint32_t encoder_id;
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	uint32_t encoder_type;
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	uint32_t crtc_id;
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	uint32_t possible_crtcs;
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	uint32_t possible_clones;
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} drmModeEncoder, *drmModeEncoderPtr;
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typedef enum {
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	DRM_MODE_CONNECTED         = 1,
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	DRM_MODE_DISCONNECTED      = 2,
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	DRM_MODE_UNKNOWNCONNECTION = 3
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} drmModeConnection;
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typedef enum {
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	DRM_MODE_SUBPIXEL_UNKNOWN        = 1,
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	DRM_MODE_SUBPIXEL_HORIZONTAL_RGB = 2,
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	DRM_MODE_SUBPIXEL_HORIZONTAL_BGR = 3,
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	DRM_MODE_SUBPIXEL_VERTICAL_RGB   = 4,
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	DRM_MODE_SUBPIXEL_VERTICAL_BGR   = 5,
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	DRM_MODE_SUBPIXEL_NONE           = 6
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} drmModeSubPixel;
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typedef struct _drmModeConnector {
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	uint32_t connector_id;
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	uint32_t encoder_id; /**< Encoder currently connected to */
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	uint32_t connector_type;
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	uint32_t connector_type_id;
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	drmModeConnection connection;
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	uint32_t mmWidth, mmHeight; /**< HxW in millimeters */
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	drmModeSubPixel subpixel;
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	int count_modes;
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	drmModeModeInfoPtr modes;
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	int count_props;
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	uint32_t *props; /**< List of property ids */
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	uint64_t *prop_values; /**< List of property values */
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	int count_encoders;
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	uint32_t *encoders; /**< List of encoder ids */
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} drmModeConnector, *drmModeConnectorPtr;
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#define DRM_PLANE_TYPE_OVERLAY 0
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#define DRM_PLANE_TYPE_PRIMARY 1
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#define DRM_PLANE_TYPE_CURSOR  2
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typedef struct _drmModeObjectProperties {
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	uint32_t count_props;
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	uint32_t *props;
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	uint64_t *prop_values;
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} drmModeObjectProperties, *drmModeObjectPropertiesPtr;
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typedef struct _drmModePlane {
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	uint32_t count_formats;
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	uint32_t *formats;
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	uint32_t plane_id;
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	uint32_t crtc_id;
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	uint32_t fb_id;
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	uint32_t crtc_x, crtc_y;
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	uint32_t x, y;
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	uint32_t possible_crtcs;
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	uint32_t gamma_size;
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} drmModePlane, *drmModePlanePtr;
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typedef struct _drmModePlaneRes {
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	uint32_t count_planes;
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	uint32_t *planes;
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} drmModePlaneRes, *drmModePlaneResPtr;
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extern void drmModeFreeModeInfo( drmModeModeInfoPtr ptr );
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extern void drmModeFreeResources( drmModeResPtr ptr );
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extern void drmModeFreeFB( drmModeFBPtr ptr );
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extern void drmModeFreeCrtc( drmModeCrtcPtr ptr );
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extern void drmModeFreeConnector( drmModeConnectorPtr ptr );
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extern void drmModeFreeEncoder( drmModeEncoderPtr ptr );
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extern void drmModeFreePlane( drmModePlanePtr ptr );
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extern void drmModeFreePlaneResources(drmModePlaneResPtr ptr);
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/**
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 * Retrieves all of the resources associated with a card.
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 */
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extern drmModeResPtr drmModeGetResources(int fd);
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/*
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 * FrameBuffer manipulation.
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 */
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/**
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 * Retrieve information about framebuffer bufferId
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 */
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extern drmModeFBPtr drmModeGetFB(int fd, uint32_t bufferId);
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/**
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 * Creates a new framebuffer with an buffer object as its scanout buffer.
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 */
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extern int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth,
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			uint8_t bpp, uint32_t pitch, uint32_t bo_handle,
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			uint32_t *buf_id);
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/* ...with a specific pixel format */
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extern int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
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			 uint32_t pixel_format, const uint32_t bo_handles[4],
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			 const uint32_t pitches[4], const uint32_t offsets[4],
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			 uint32_t *buf_id, uint32_t flags);
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/* ...with format modifiers */
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int drmModeAddFB2WithModifiers(int fd, uint32_t width, uint32_t height,
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			       uint32_t pixel_format, const uint32_t bo_handles[4],
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			       const uint32_t pitches[4], const uint32_t offsets[4],
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			       const uint64_t modifier[4], uint32_t *buf_id,
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				   uint32_t flags);
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/**
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 * Destroies the given framebuffer.
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 */
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extern int drmModeRmFB(int fd, uint32_t bufferId);
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/**
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 * Mark a region of a framebuffer as dirty.
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 */
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extern int drmModeDirtyFB(int fd, uint32_t bufferId,
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			  drmModeClipPtr clips, uint32_t num_clips);
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/*
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 * Crtc functions
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 */
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/**
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 * Retrieve information about the ctrt crtcId
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 */
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extern drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId);
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/**
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 * Set the mode on a crtc crtcId with the given mode modeId.
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 */
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int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId,
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                   uint32_t x, uint32_t y, uint32_t *connectors, int count,
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		   drmModeModeInfoPtr mode);
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/*
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 * Cursor functions
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 */
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/**
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 * Set the cursor on crtc
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 */
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int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height);
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int drmModeSetCursor2(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y);
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/**
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 * Move the cursor on crtc
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 */
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int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y);
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/**
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 * Encoder functions
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 */
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drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id);
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/*
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 * Connector manipulation
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 */
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/**
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 * Retrieve all information about the connector connectorId. This will do a
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 * forced probe on the connector to retrieve remote information such as EDIDs
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 * from the display device.
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 */
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extern drmModeConnectorPtr drmModeGetConnector(int fd,
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					       uint32_t connectorId);
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/**
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 * Retrieve current information, i.e the currently active mode and encoder,
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 * about the connector connectorId. This will not do any probing on the
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 * connector or remote device, and only reports what is currently known.
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 * For the complete set of modes and encoders associated with the connector
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 * use drmModeGetConnector() which will do a probe to determine any display
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 * link changes first.
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 */
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extern drmModeConnectorPtr drmModeGetConnectorCurrent(int fd,
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						      uint32_t connector_id);
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/**
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 * Attaches the given mode to an connector.
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 */
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extern int drmModeAttachMode(int fd, uint32_t connectorId, drmModeModeInfoPtr mode_info);
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/**
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 * Detaches a mode from the connector
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 * must be unused, by the given mode.
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 */
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extern int drmModeDetachMode(int fd, uint32_t connectorId, drmModeModeInfoPtr mode_info);
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extern drmModePropertyPtr drmModeGetProperty(int fd, uint32_t propertyId);
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extern void drmModeFreeProperty(drmModePropertyPtr ptr);
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extern drmModePropertyBlobPtr drmModeGetPropertyBlob(int fd, uint32_t blob_id);
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extern void drmModeFreePropertyBlob(drmModePropertyBlobPtr ptr);
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extern int drmModeConnectorSetProperty(int fd, uint32_t connector_id, uint32_t property_id,
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				    uint64_t value);
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extern int drmCheckModesettingSupported(const char *busid);
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extern int drmModeCrtcSetGamma(int fd, uint32_t crtc_id, uint32_t size,
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			       uint16_t *red, uint16_t *green, uint16_t *blue);
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extern int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size,
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			       uint16_t *red, uint16_t *green, uint16_t *blue);
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extern int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id,
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			   uint32_t flags, void *user_data);
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extern int drmModePageFlipTarget(int fd, uint32_t crtc_id, uint32_t fb_id,
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				 uint32_t flags, void *user_data,
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				 uint32_t target_vblank);
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extern drmModePlaneResPtr drmModeGetPlaneResources(int fd);
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extern drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id);
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extern int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id,
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			   uint32_t fb_id, uint32_t flags,
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			   int32_t crtc_x, int32_t crtc_y,
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			   uint32_t crtc_w, uint32_t crtc_h,
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			   uint32_t src_x, uint32_t src_y,
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			   uint32_t src_w, uint32_t src_h);
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extern drmModeObjectPropertiesPtr drmModeObjectGetProperties(int fd,
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							uint32_t object_id,
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							uint32_t object_type);
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extern void drmModeFreeObjectProperties(drmModeObjectPropertiesPtr ptr);
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extern int drmModeObjectSetProperty(int fd, uint32_t object_id,
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				    uint32_t object_type, uint32_t property_id,
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				    uint64_t value);
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typedef struct _drmModeAtomicReq drmModeAtomicReq, *drmModeAtomicReqPtr;
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extern drmModeAtomicReqPtr drmModeAtomicAlloc(void);
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extern drmModeAtomicReqPtr drmModeAtomicDuplicate(drmModeAtomicReqPtr req);
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extern int drmModeAtomicMerge(drmModeAtomicReqPtr base,
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			      drmModeAtomicReqPtr augment);
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extern void drmModeAtomicFree(drmModeAtomicReqPtr req);
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extern int drmModeAtomicGetCursor(drmModeAtomicReqPtr req);
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extern void drmModeAtomicSetCursor(drmModeAtomicReqPtr req, int cursor);
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extern int drmModeAtomicAddProperty(drmModeAtomicReqPtr req,
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				    uint32_t object_id,
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				    uint32_t property_id,
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				    uint64_t value);
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extern int drmModeAtomicCommit(int fd,
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			       drmModeAtomicReqPtr req,
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			       uint32_t flags,
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			       void *user_data);
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extern int drmModeCreatePropertyBlob(int fd, const void *data, size_t size,
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				     uint32_t *id);
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extern int drmModeDestroyPropertyBlob(int fd, uint32_t id);
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/*
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 * DRM mode lease APIs. These create and manage new drm_masters with
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 * access to a subset of the available DRM resources
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 */
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extern int drmModeCreateLease(int fd, const uint32_t *objects, int num_objects, int flags, uint32_t *lessee_id);
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typedef struct drmModeLesseeList {
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	uint32_t count;
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	uint32_t lessees[0];
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} drmModeLesseeListRes, *drmModeLesseeListPtr;
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extern drmModeLesseeListPtr drmModeListLessees(int fd);
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typedef struct drmModeObjectList {
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	uint32_t count;
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	uint32_t objects[0];
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} drmModeObjectListRes, *drmModeObjectListPtr;
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extern drmModeObjectListPtr drmModeGetLease(int fd);
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extern int drmModeRevokeLease(int fd, uint32_t lessee_id);
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#if defined(__cplusplus)
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}
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#endif
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#endif