/*

 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>

 * Copyright (c) 2007 Jakob Bornecrantz <wallbraker@gmail.com>

 * Copyright (c) 2008 Red Hat Inc.

 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA

 * Copyright (c) 2007-2008 Intel Corporation

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS

 * IN THE SOFTWARE.

 */

#ifndef _DRM_MODE_H

#define _DRM_MODE_H

#include "drm.h"

#if defined(__cplusplus)

extern "C" {

#endif

#define DRM_CONNECTOR_NAME_LEN	32

#define DRM_DISPLAY_MODE_LEN	32

#define DRM_PROP_NAME_LEN	32

#define DRM_MODE_TYPE_BUILTIN	(1<<0) /* deprecated */

#define DRM_MODE_TYPE_CLOCK_C	((1<<1) | DRM_MODE_TYPE_BUILTIN) /* deprecated */

#define DRM_MODE_TYPE_CRTC_C	((1<<2) | DRM_MODE_TYPE_BUILTIN) /* deprecated */

#define DRM_MODE_TYPE_PREFERRED	(1<<3)

#define DRM_MODE_TYPE_DEFAULT	(1<<4) /* deprecated */

#define DRM_MODE_TYPE_USERDEF	(1<<5)

#define DRM_MODE_TYPE_DRIVER	(1<<6)

#define DRM_MODE_TYPE_ALL	(DRM_MODE_TYPE_PREFERRED |	\

				 DRM_MODE_TYPE_USERDEF |	\

				 DRM_MODE_TYPE_DRIVER)

/* Video mode flags */

/* bit compatible with the xrandr RR_ definitions (bits 0-13)

 *

 * ABI warning: Existing userspace really expects

 * the mode flags to match the xrandr definitions. Any

 * changes that don't match the xrandr definitions will

 * likely need a new client cap or some other mechanism

 * to avoid breaking existing userspace. This includes

 * allocating new flags in the previously unused bits!

 */

#define DRM_MODE_FLAG_PHSYNC			(1<<0)

#define DRM_MODE_FLAG_NHSYNC			(1<<1)

#define DRM_MODE_FLAG_PVSYNC			(1<<2)

#define DRM_MODE_FLAG_NVSYNC			(1<<3)

#define DRM_MODE_FLAG_INTERLACE			(1<<4)

#define DRM_MODE_FLAG_DBLSCAN			(1<<5)

#define DRM_MODE_FLAG_CSYNC			(1<<6)

#define DRM_MODE_FLAG_PCSYNC			(1<<7)

#define DRM_MODE_FLAG_NCSYNC			(1<<8)

#define DRM_MODE_FLAG_HSKEW			(1<<9) /* hskew provided */

#define DRM_MODE_FLAG_BCAST			(1<<10) /* deprecated */

#define DRM_MODE_FLAG_PIXMUX			(1<<11) /* deprecated */

#define DRM_MODE_FLAG_DBLCLK			(1<<12)

#define DRM_MODE_FLAG_CLKDIV2			(1<<13)

 /*

  * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX

  * (define not exposed to user space).

  */

#define DRM_MODE_FLAG_3D_MASK			(0x1f<<14)

#define  DRM_MODE_FLAG_3D_NONE		(0<<14)

#define  DRM_MODE_FLAG_3D_FRAME_PACKING		(1<<14)

#define  DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE	(2<<14)

#define  DRM_MODE_FLAG_3D_LINE_ALTERNATIVE	(3<<14)

#define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL	(4<<14)

#define  DRM_MODE_FLAG_3D_L_DEPTH		(5<<14)

#define  DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH	(6<<14)

#define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)

#define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)

/* Picture aspect ratio options */

#define DRM_MODE_PICTURE_ASPECT_NONE		0

#define DRM_MODE_PICTURE_ASPECT_4_3		1

#define DRM_MODE_PICTURE_ASPECT_16_9		2

#define DRM_MODE_PICTURE_ASPECT_64_27		3

#define DRM_MODE_PICTURE_ASPECT_256_135		4

/* Content type options */

#define DRM_MODE_CONTENT_TYPE_NO_DATA		0

#define DRM_MODE_CONTENT_TYPE_GRAPHICS		1

#define DRM_MODE_CONTENT_TYPE_PHOTO		2

#define DRM_MODE_CONTENT_TYPE_CINEMA		3

#define DRM_MODE_CONTENT_TYPE_GAME		4

/* Aspect ratio flag bitmask (4 bits 22:19) */

#define DRM_MODE_FLAG_PIC_AR_MASK		(0x0F<<19)

#define  DRM_MODE_FLAG_PIC_AR_NONE \

			(DRM_MODE_PICTURE_ASPECT_NONE<<19)

#define  DRM_MODE_FLAG_PIC_AR_4_3 \

			(DRM_MODE_PICTURE_ASPECT_4_3<<19)

#define  DRM_MODE_FLAG_PIC_AR_16_9 \

			(DRM_MODE_PICTURE_ASPECT_16_9<<19)

#define  DRM_MODE_FLAG_PIC_AR_64_27 \

			(DRM_MODE_PICTURE_ASPECT_64_27<<19)

#define  DRM_MODE_FLAG_PIC_AR_256_135 \

			(DRM_MODE_PICTURE_ASPECT_256_135<<19)

#define  DRM_MODE_FLAG_ALL	(DRM_MODE_FLAG_PHSYNC |		\

				 DRM_MODE_FLAG_NHSYNC |		\

				 DRM_MODE_FLAG_PVSYNC |		\

				 DRM_MODE_FLAG_NVSYNC |		\

				 DRM_MODE_FLAG_INTERLACE |	\

				 DRM_MODE_FLAG_DBLSCAN |	\

				 DRM_MODE_FLAG_CSYNC |		\

				 DRM_MODE_FLAG_PCSYNC |		\

				 DRM_MODE_FLAG_NCSYNC |		\

				 DRM_MODE_FLAG_HSKEW |		\

				 DRM_MODE_FLAG_DBLCLK |		\

				 DRM_MODE_FLAG_CLKDIV2 |	\

				 DRM_MODE_FLAG_3D_MASK)

/* DPMS flags */

/* bit compatible with the xorg definitions. */

#define DRM_MODE_DPMS_ON	0

#define DRM_MODE_DPMS_STANDBY	1

#define DRM_MODE_DPMS_SUSPEND	2

#define DRM_MODE_DPMS_OFF	3

/* Scaling mode options */

#define DRM_MODE_SCALE_NONE		0 /* Unmodified timing (display or

					     software can still scale) */

#define DRM_MODE_SCALE_FULLSCREEN	1 /* Full screen, ignore aspect */

#define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */

#define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */

/* Dithering mode options */

#define DRM_MODE_DITHERING_OFF	0

#define DRM_MODE_DITHERING_ON	1

#define DRM_MODE_DITHERING_AUTO 2

/* Dirty info options */

#define DRM_MODE_DIRTY_OFF      0

#define DRM_MODE_DIRTY_ON       1

#define DRM_MODE_DIRTY_ANNOTATE 2

/* Link Status options */

#define DRM_MODE_LINK_STATUS_GOOD	0

#define DRM_MODE_LINK_STATUS_BAD	1

/*

 * DRM_MODE_ROTATE_<degrees>

 *

 * Signals that a drm plane is been rotated <degrees> degrees in counter

 * clockwise direction.

 *

 * This define is provided as a convenience, looking up the property id

 * using the name->prop id lookup is the preferred method.

 */

#define DRM_MODE_ROTATE_0       (1<<0)

#define DRM_MODE_ROTATE_90      (1<<1)

#define DRM_MODE_ROTATE_180     (1<<2)

#define DRM_MODE_ROTATE_270     (1<<3)

/*

 * DRM_MODE_ROTATE_MASK

 *

 * Bitmask used to look for drm plane rotations.

 */

#define DRM_MODE_ROTATE_MASK (\

		DRM_MODE_ROTATE_0  | \

		DRM_MODE_ROTATE_90  | \

		DRM_MODE_ROTATE_180 | \

		DRM_MODE_ROTATE_270)

/*

 * DRM_MODE_REFLECT_<axis>

 *

 * Signals that the contents of a drm plane is reflected along the <axis> axis,

 * in the same way as mirroring.

 * See kerneldoc chapter "Plane Composition Properties" for more details.

 *

 * This define is provided as a convenience, looking up the property id

 * using the name->prop id lookup is the preferred method.

 */

#define DRM_MODE_REFLECT_X      (1<<4)

#define DRM_MODE_REFLECT_Y      (1<<5)

/*

 * DRM_MODE_REFLECT_MASK

 *

 * Bitmask used to look for drm plane reflections.

 */

#define DRM_MODE_REFLECT_MASK (\

		DRM_MODE_REFLECT_X | \

		DRM_MODE_REFLECT_Y)

/* Content Protection Flags */

#define DRM_MODE_CONTENT_PROTECTION_UNDESIRED	0

#define DRM_MODE_CONTENT_PROTECTION_DESIRED     1

#define DRM_MODE_CONTENT_PROTECTION_ENABLED     2

struct drm_mode_modeinfo {

	__u32 clock;

	__u16 hdisplay;

	__u16 hsync_start;

	__u16 hsync_end;

	__u16 htotal;

	__u16 hskew;

	__u16 vdisplay;

	__u16 vsync_start;

	__u16 vsync_end;

	__u16 vtotal;

	__u16 vscan;

	__u32 vrefresh;

	__u32 flags;

	__u32 type;

	char name[DRM_DISPLAY_MODE_LEN];

};

struct drm_mode_card_res {

	__u64 fb_id_ptr;

	__u64 crtc_id_ptr;

	__u64 connector_id_ptr;

	__u64 encoder_id_ptr;

	__u32 count_fbs;

	__u32 count_crtcs;

	__u32 count_connectors;

	__u32 count_encoders;

	__u32 min_width;

	__u32 max_width;

	__u32 min_height;

	__u32 max_height;

};

struct drm_mode_crtc {

	__u64 set_connectors_ptr;

	__u32 count_connectors;

	__u32 crtc_id; /**< Id */

	__u32 fb_id; /**< Id of framebuffer */

	__u32 x; /**< x Position on the framebuffer */

	__u32 y; /**< y Position on the framebuffer */

	__u32 gamma_size;

	__u32 mode_valid;

	struct drm_mode_modeinfo mode;

};

#define DRM_MODE_PRESENT_TOP_FIELD	(1<<0)

#define DRM_MODE_PRESENT_BOTTOM_FIELD	(1<<1)

/* Planes blend with or override other bits on the CRTC */

struct drm_mode_set_plane {

	__u32 plane_id;

	__u32 crtc_id;

	__u32 fb_id; /* fb object contains surface format type */

	__u32 flags; /* see above flags */

	/* Signed dest location allows it to be partially off screen */

	__s32 crtc_x;

	__s32 crtc_y;

	__u32 crtc_w;

	__u32 crtc_h;

	/* Source values are 16.16 fixed point */

	__u32 src_x;

	__u32 src_y;

	__u32 src_h;

	__u32 src_w;

};

struct drm_mode_get_plane {

	__u32 plane_id;

	__u32 crtc_id;

	__u32 fb_id;

	__u32 possible_crtcs;

	__u32 gamma_size;

	__u32 count_format_types;

	__u64 format_type_ptr;

};

struct drm_mode_get_plane_res {

	__u64 plane_id_ptr;

	__u32 count_planes;

};

#define DRM_MODE_ENCODER_NONE	0

#define DRM_MODE_ENCODER_DAC	1

#define DRM_MODE_ENCODER_TMDS	2

#define DRM_MODE_ENCODER_LVDS	3

#define DRM_MODE_ENCODER_TVDAC	4

#define DRM_MODE_ENCODER_VIRTUAL 5

#define DRM_MODE_ENCODER_DSI	6

#define DRM_MODE_ENCODER_DPMST	7

#define DRM_MODE_ENCODER_DPI	8

struct drm_mode_get_encoder {

	__u32 encoder_id;

	__u32 encoder_type;

	__u32 crtc_id; /**< Id of crtc */

	__u32 possible_crtcs;

	__u32 possible_clones;

};

/* This is for connectors with multiple signal types. */

/* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */

enum drm_mode_subconnector {

	DRM_MODE_SUBCONNECTOR_Automatic = 0,

	DRM_MODE_SUBCONNECTOR_Unknown = 0,

	DRM_MODE_SUBCONNECTOR_DVID = 3,

	DRM_MODE_SUBCONNECTOR_DVIA = 4,

	DRM_MODE_SUBCONNECTOR_Composite = 5,

	DRM_MODE_SUBCONNECTOR_SVIDEO = 6,

	DRM_MODE_SUBCONNECTOR_Component = 8,

	DRM_MODE_SUBCONNECTOR_SCART = 9,

};

#define DRM_MODE_CONNECTOR_Unknown	0

#define DRM_MODE_CONNECTOR_VGA		1

#define DRM_MODE_CONNECTOR_DVII		2

#define DRM_MODE_CONNECTOR_DVID		3

#define DRM_MODE_CONNECTOR_DVIA		4

#define DRM_MODE_CONNECTOR_Composite	5

#define DRM_MODE_CONNECTOR_SVIDEO	6

#define DRM_MODE_CONNECTOR_LVDS		7

#define DRM_MODE_CONNECTOR_Component	8

#define DRM_MODE_CONNECTOR_9PinDIN	9

#define DRM_MODE_CONNECTOR_DisplayPort	10

#define DRM_MODE_CONNECTOR_HDMIA	11

#define DRM_MODE_CONNECTOR_HDMIB	12

#define DRM_MODE_CONNECTOR_TV		13

#define DRM_MODE_CONNECTOR_eDP		14

#define DRM_MODE_CONNECTOR_VIRTUAL      15

#define DRM_MODE_CONNECTOR_DSI		16

#define DRM_MODE_CONNECTOR_DPI		17

#define DRM_MODE_CONNECTOR_WRITEBACK	18

struct drm_mode_get_connector {

	__u64 encoders_ptr;

	__u64 modes_ptr;

	__u64 props_ptr;

	__u64 prop_values_ptr;

	__u32 count_modes;

	__u32 count_props;

	__u32 count_encoders;

	__u32 encoder_id; /**< Current Encoder */

	__u32 connector_id; /**< Id */

	__u32 connector_type;

	__u32 connector_type_id;

	__u32 connection;

	__u32 mm_width;  /**< width in millimeters */

	__u32 mm_height; /**< height in millimeters */

	__u32 subpixel;

	__u32 pad;

};

#define DRM_MODE_PROP_PENDING	(1<<0) /* deprecated, do not use */

#define DRM_MODE_PROP_RANGE	(1<<1)

#define DRM_MODE_PROP_IMMUTABLE	(1<<2)

#define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */

#define DRM_MODE_PROP_BLOB	(1<<4)

#define DRM_MODE_PROP_BITMASK	(1<<5) /* bitmask of enumerated types */

/* non-extended types: legacy bitmask, one bit per type: */

#define DRM_MODE_PROP_LEGACY_TYPE  ( \

		DRM_MODE_PROP_RANGE | \

		DRM_MODE_PROP_ENUM | \

		DRM_MODE_PROP_BLOB | \

		DRM_MODE_PROP_BITMASK)

/* extended-types: rather than continue to consume a bit per type,

 * grab a chunk of the bits to use as integer type id.

 */

#define DRM_MODE_PROP_EXTENDED_TYPE	0x0000ffc0

#define DRM_MODE_PROP_TYPE(n)		((n) << 6)

#define DRM_MODE_PROP_OBJECT		DRM_MODE_PROP_TYPE(1)

#define DRM_MODE_PROP_SIGNED_RANGE	DRM_MODE_PROP_TYPE(2)

/* the PROP_ATOMIC flag is used to hide properties from userspace that

 * is not aware of atomic properties.  This is mostly to work around

 * older userspace (DDX drivers) that read/write each prop they find,

 * without being aware that this could be triggering a lengthy modeset.

 */

#define DRM_MODE_PROP_ATOMIC        0x80000000

struct drm_mode_property_enum {

	__u64 value;

	char name[DRM_PROP_NAME_LEN];

};

struct drm_mode_get_property {

	__u64 values_ptr; /* values and blob lengths */

	__u64 enum_blob_ptr; /* enum and blob id ptrs */

	__u32 prop_id;

	__u32 flags;

	char name[DRM_PROP_NAME_LEN];

	__u32 count_values;

	/* This is only used to count enum values, not blobs. The _blobs is

	 * simply because of a historical reason, i.e. backwards compat. */

	__u32 count_enum_blobs;

};

struct drm_mode_connector_set_property {

	__u64 value;

	__u32 prop_id;

	__u32 connector_id;

};

#define DRM_MODE_OBJECT_CRTC 0xcccccccc

#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0

#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0

#define DRM_MODE_OBJECT_MODE 0xdededede

#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0

#define DRM_MODE_OBJECT_FB 0xfbfbfbfb

#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb

#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee

#define DRM_MODE_OBJECT_ANY 0

struct drm_mode_obj_get_properties {

	__u64 props_ptr;

	__u64 prop_values_ptr;

	__u32 count_props;

	__u32 obj_id;

	__u32 obj_type;

};

struct drm_mode_obj_set_property {

	__u64 value;

	__u32 prop_id;

	__u32 obj_id;

	__u32 obj_type;

};

struct drm_mode_get_blob {

	__u32 blob_id;

	__u32 length;

	__u64 data;

};

struct drm_mode_fb_cmd {

	__u32 fb_id;

	__u32 width;

	__u32 height;

	__u32 pitch;

	__u32 bpp;

	__u32 depth;

	/* driver specific handle */

	__u32 handle;

};

#define DRM_MODE_FB_INTERLACED	(1<<0) /* for interlaced framebuffers */

#define DRM_MODE_FB_MODIFIERS	(1<<1) /* enables ->modifer[] */

struct drm_mode_fb_cmd2 {

	__u32 fb_id;

	__u32 width;

	__u32 height;

	__u32 pixel_format; /* fourcc code from drm_fourcc.h */

	__u32 flags; /* see above flags */

	/*

	 * In case of planar formats, this ioctl allows up to 4

	 * buffer objects with offsets and pitches per plane.

	 * The pitch and offset order is dictated by the fourcc,

	 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:

	 *

	 *   YUV 4:2:0 image with a plane of 8 bit Y samples

	 *   followed by an interleaved U/V plane containing

	 *   8 bit 2x2 subsampled colour difference samples.

	 *

	 * So it would consist of Y as offsets[0] and UV as

	 * offsets[1].  Note that offsets[0] will generally

	 * be 0 (but this is not required).

	 *

	 * To accommodate tiled, compressed, etc formats, a

	 * modifier can be specified.  The default value of zero

	 * indicates "native" format as specified by the fourcc.

	 * Vendor specific modifier token.  Note that even though

	 * it looks like we have a modifier per-plane, we in fact

	 * do not. The modifier for each plane must be identical.

	 * Thus all combinations of different data layouts for

	 * multi plane formats must be enumerated as separate

	 * modifiers.

	 */

	__u32 handles[4];

	__u32 pitches[4]; /* pitch for each plane */

	__u32 offsets[4]; /* offset of each plane */

	__u64 modifier[4]; /* ie, tiling, compress */

};

#define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01

#define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02

#define DRM_MODE_FB_DIRTY_FLAGS         0x03

#define DRM_MODE_FB_DIRTY_MAX_CLIPS     256

/*

 * Mark a region of a framebuffer as dirty.

 *

 * Some hardware does not automatically update display contents

 * as a hardware or software draw to a framebuffer. This ioctl

 * allows userspace to tell the kernel and the hardware what

 * regions of the framebuffer have changed.

 *

 * The kernel or hardware is free to update more then just the

 * region specified by the clip rects. The kernel or hardware

 * may also delay and/or coalesce several calls to dirty into a

 * single update.

 *

 * Userspace may annotate the updates, the annotates are a

 * promise made by the caller that the change is either a copy

 * of pixels or a fill of a single color in the region specified.

 *

 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then

 * the number of updated regions are half of num_clips given,

 * where the clip rects are paired in src and dst. The width and

 * height of each one of the pairs must match.

 *

 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller

 * promises that the region specified of the clip rects is filled

 * completely with a single color as given in the color argument.

 */

struct drm_mode_fb_dirty_cmd {

	__u32 fb_id;

	__u32 flags;

	__u32 color;

	__u32 num_clips;

	__u64 clips_ptr;

};

struct drm_mode_mode_cmd {

	__u32 connector_id;

	struct drm_mode_modeinfo mode;

};

#define DRM_MODE_CURSOR_BO	0x01

#define DRM_MODE_CURSOR_MOVE	0x02

#define DRM_MODE_CURSOR_FLAGS	0x03

/*

 * depending on the value in flags different members are used.

 *

 * CURSOR_BO uses

 *    crtc_id

 *    width

 *    height

 *    handle - if 0 turns the cursor off

 *

 * CURSOR_MOVE uses

 *    crtc_id

 *    x

 *    y

 */

struct drm_mode_cursor {

	__u32 flags;

	__u32 crtc_id;

	__s32 x;

	__s32 y;

	__u32 width;

	__u32 height;

	/* driver specific handle */

	__u32 handle;

};

struct drm_mode_cursor2 {

	__u32 flags;

	__u32 crtc_id;

	__s32 x;

	__s32 y;

	__u32 width;

	__u32 height;

	/* driver specific handle */

	__u32 handle;

	__s32 hot_x;

	__s32 hot_y;

};

struct drm_mode_crtc_lut {

	__u32 crtc_id;

	__u32 gamma_size;

	/* pointers to arrays */

	__u64 red;

	__u64 green;

	__u64 blue;

};

struct drm_color_ctm {

	/*

	 * Conversion matrix in S31.32 sign-magnitude

	 * (not two's complement!) format.

	 */

	__u64 matrix[9];

};

struct drm_color_lut {

	/*

	 * Values are mapped linearly to 0.0 - 1.0 range, with 0x0 == 0.0 and

	 * 0xffff == 1.0.

	 */

	__u16 red;

	__u16 green;

	__u16 blue;

	__u16 reserved;

};

#define DRM_MODE_PAGE_FLIP_EVENT 0x01

#define DRM_MODE_PAGE_FLIP_ASYNC 0x02

#define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4

#define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8

#define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \

				   DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)

#define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \

				  DRM_MODE_PAGE_FLIP_ASYNC | \

				  DRM_MODE_PAGE_FLIP_TARGET)

/*

 * Request a page flip on the specified crtc.

 *

 * This ioctl will ask KMS to schedule a page flip for the specified

 * crtc.  Once any pending rendering targeting the specified fb (as of

 * ioctl time) has completed, the crtc will be reprogrammed to display

 * that fb after the next vertical refresh.  The ioctl returns

 * immediately, but subsequent rendering to the current fb will block

 * in the execbuffer ioctl until the page flip happens.  If a page

 * flip is already pending as the ioctl is called, EBUSY will be

 * returned.

 *

 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank

 * event (see drm.h: struct drm_event_vblank) when the page flip is

 * done.  The user_data field passed in with this ioctl will be

 * returned as the user_data field in the vblank event struct.

 *

 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen

 * 'as soon as possible', meaning that it not delay waiting for vblank.

 * This may cause tearing on the screen.

 *

 * The reserved field must be zero.

 */

struct drm_mode_crtc_page_flip {

	__u32 crtc_id;

	__u32 fb_id;

	__u32 flags;

	__u32 reserved;

	__u64 user_data;

};

/*

 * Request a page flip on the specified crtc.

 *

 * Same as struct drm_mode_crtc_page_flip, but supports new flags and

 * re-purposes the reserved field:

 *

 * The sequence field must be zero unless either of the

 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When

 * the ABSOLUTE flag is specified, the sequence field denotes the absolute

 * vblank sequence when the flip should take effect. When the RELATIVE

 * flag is specified, the sequence field denotes the relative (to the

 * current one when the ioctl is called) vblank sequence when the flip

 * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to

 * make sure the vblank sequence before the target one has passed before

 * calling this ioctl. The purpose of the

 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify

 * the target for when code dealing with a page flip runs during a

 * vertical blank period.

 */

struct drm_mode_crtc_page_flip_target {

	__u32 crtc_id;

	__u32 fb_id;

	__u32 flags;

	__u32 sequence;

	__u64 user_data;

};

/* create a dumb scanout buffer */

struct drm_mode_create_dumb {

	__u32 height;

	__u32 width;

	__u32 bpp;

	__u32 flags;

	/* handle, pitch, size will be returned */

	__u32 handle;

	__u32 pitch;

	__u64 size;

};

/* set up for mmap of a dumb scanout buffer */

struct drm_mode_map_dumb {

	/** Handle for the object being mapped. */

	__u32 handle;

	__u32 pad;

	/**

	 * Fake offset to use for subsequent mmap call

	 *

	 * This is a fixed-size type for 32/64 compatibility.

	 */

	__u64 offset;

};

struct drm_mode_destroy_dumb {

	__u32 handle;

};

/* page-flip flags are valid, plus: */

#define DRM_MODE_ATOMIC_TEST_ONLY 0x0100

#define DRM_MODE_ATOMIC_NONBLOCK  0x0200

#define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400

#define DRM_MODE_ATOMIC_FLAGS (\

		DRM_MODE_PAGE_FLIP_EVENT |\

		DRM_MODE_PAGE_FLIP_ASYNC |\

		DRM_MODE_ATOMIC_TEST_ONLY |\

		DRM_MODE_ATOMIC_NONBLOCK |\

		DRM_MODE_ATOMIC_ALLOW_MODESET)

struct drm_mode_atomic {

	__u32 flags;

	__u32 count_objs;

	__u64 objs_ptr;

	__u64 count_props_ptr;

	__u64 props_ptr;

	__u64 prop_values_ptr;

	__u64 reserved;

	__u64 user_data;

};

struct drm_format_modifier_blob {

#define FORMAT_BLOB_CURRENT 1

	/* Version of this blob format */

	__u32 version;

	/* Flags */

	__u32 flags;

	/* Number of fourcc formats supported */

	__u32 count_formats;

	/* Where in this blob the formats exist (in bytes) */

	__u32 formats_offset;

	/* Number of drm_format_modifiers */

	__u32 count_modifiers;

	/* Where in this blob the modifiers exist (in bytes) */

	__u32 modifiers_offset;

	/* __u32 formats[] */

	/* struct drm_format_modifier modifiers[] */

};

struct drm_format_modifier {

	/* Bitmask of formats in get_plane format list this info applies to. The

	 * offset allows a sliding window of which 64 formats (bits).

	 *

	 * Some examples:

	 * In today's world with < 65 formats, and formats 0, and 2 are

	 * supported

	 * 0x0000000000000005

	 *		  ^-offset = 0, formats = 5

	 *

	 * If the number formats grew to 128, and formats 98-102 are

	 * supported with the modifier:

	 *

	 * 0x0000007c00000000 0000000000000000

	 *		  ^

	 *		  |__offset = 64, formats = 0x7c00000000

	 *

	 */

	__u64 formats;

	__u32 offset;

	__u32 pad;

	/* The modifier that applies to the >get_plane format list bitmask. */

	__u64 modifier;

};

/**

 * Create a new 'blob' data property, copying length bytes from data pointer,

 * and returning new blob ID.

 */

struct drm_mode_create_blob {

	/** Pointer to data to copy. */

	__u64 data;

	/** Length of data to copy. */

	__u32 length;

	/** Return: new property ID. */

	__u32 blob_id;

};

/**

 * Destroy a user-created blob property.

 */

struct drm_mode_destroy_blob {

	__u32 blob_id;

};

/**

 * Lease mode resources, creating another drm_master.

 */

struct drm_mode_create_lease {

	/** Pointer to array of object ids (__u32) */

	__u64 object_ids;

	/** Number of object ids */

	__u32 object_count;

	/** flags for new FD (O_CLOEXEC, etc) */

	__u32 flags;

	/** Return: unique identifier for lessee. */

	__u32 lessee_id;

	/** Return: file descriptor to new drm_master file */

	__u32 fd;

};

/**

 * List lesses from a drm_master

 */

struct drm_mode_list_lessees {

	/** Number of lessees.

	 * On input, provides length of the array.

	 * On output, provides total number. No

	 * more than the input number will be written

	 * back, so two calls can be used to get

	 * the size and then the data.

	 */

	__u32 count_lessees;

	__u32 pad;

	/** Pointer to lessees.

	 * pointer to __u64 array of lessee ids

	 */

	__u64 lessees_ptr;

};

/**

 * Get leased objects

 */

struct drm_mode_get_lease {

	/** Number of leased objects.

	 * On input, provides length of the array.

	 * On output, provides total number. No

	 * more than the input number will be written

	 * back, so two calls can be used to get

	 * the size and then the data.

	 */

	__u32 count_objects;

	__u32 pad;

	/** Pointer to objects.

	 * pointer to __u32 array of object ids

	 */

	__u64 objects_ptr;

};