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/*

 * Copyright (c) 2007 Dave Airlie 

 * Copyright (c) 2007 Jakob Bornecrantz 

 * 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

#define DRM_DISPLAY_INFO_LEN	32

#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)

#define DRM_MODE_TYPE_CLOCK_C	((1<<1) | DRM_MODE_TYPE_BUILTIN)

#define DRM_MODE_TYPE_CRTC_C	((1<<2) | DRM_MODE_TYPE_BUILTIN)

#define DRM_MODE_TYPE_PREFERRED	(1<<3)

#define DRM_MODE_TYPE_DEFAULT	(1<<4)

#define DRM_MODE_TYPE_USERDEF	(1<<5)

#define DRM_MODE_TYPE_DRIVER	(1<<6)

/* Video mode flags */

/* bit compatible with the xorg definitions. */

#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)

#define DRM_MODE_FLAG_PIXMUX	(1<<11)

#define DRM_MODE_FLAG_DBLCLK	(1<<12)

#define DRM_MODE_FLAG_CLKDIV2	(1<<13)

/* 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

struct drm_mode_modeinfo {

	__u32 clock;

	__u16 hdisplay, hsync_start, hsync_end, htotal, hskew;

	__u16 vdisplay, vsync_start, vsync_end, vtotal, 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, max_width;

	__u32 min_height, 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, y; /**< Position on the frameuffer */

	__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, crtc_y;

	__u32 crtc_w, crtc_h;

	/* Source values are 16.16 fixed point */

	__u32 src_x, src_y;

	__u32 src_h, 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

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. */

#define DRM_MODE_SUBCONNECTOR_Automatic	0

#define DRM_MODE_SUBCONNECTOR_Unknown	0

#define DRM_MODE_SUBCONNECTOR_DVID	3

#define DRM_MODE_SUBCONNECTOR_DVIA	4

#define DRM_MODE_SUBCONNECTOR_Composite	5

#define DRM_MODE_SUBCONNECTOR_SVIDEO	6

#define DRM_MODE_SUBCONNECTOR_Component	8

#define 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

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, mm_height; /**< HxW in millimeters */

	__u32 subpixel;

};

#define DRM_MODE_PROP_PENDING	(1<<0)

#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)

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;

	__u32 count_enum_blobs;

};

struct drm_mode_connector_set_property {

	__u64 value;

	__u32 prop_id;

	__u32 connector_id;

};

struct drm_mode_get_blob {

	__u32 blob_id;

	__u32 length;

	__u64 data;

};

struct drm_mode_fb_cmd {

	__u32 fb_id;

	__u32 width, height;

	__u32 pitch;

	__u32 bpp;

	__u32 depth;

	/* driver specific handle */

	__u32 handle;

};

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

struct drm_mode_fb_cmd2 {

	__u32 fb_id;

	__u32 width, 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 offets 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 offset[0] and UV as

	 * offeset[1].  Note that offset[0] will generally

	 * be 0.

	 */

	__u32 handles[4];

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

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

};

#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	(1<<0)

#define DRM_MODE_CURSOR_MOVE	(1<<1)

/*

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

 *

 * CURSOR_BO uses

 *    crtc

 *    width

 *    height

 *    handle - if 0 turns the cursor of

 *

 * CURSOR_MOVE uses

 *    crtc

 *    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_crtc_lut {

	__u32 crtc_id;

	__u32 gamma_size;

	/* pointers to arrays */

	__u64 red;

	__u64 green;

	__u64 blue;

};

#define DRM_MODE_PAGE_FLIP_EVENT 0x01

#define DRM_MODE_PAGE_FLIP_FLAGS DRM_MODE_PAGE_FLIP_EVENT

/*

 * 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.

 *

 * The ioctl supports one flag, DRM_MODE_PAGE_FLIP_EVENT, which will

 * request 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.

 *

 * The reserved field must be zero until we figure out something

 * clever to use it for.

 */

struct drm_mode_crtc_page_flip {

	__u32 crtc_id;

	__u32 fb_id;

	__u32 flags;

	__u32 reserved;

	__u64 user_data;

};

/* create a dumb scanout buffer */

struct drm_mode_create_dumb {

	uint32_t height;

	uint32_t width;

	uint32_t bpp;

	uint32_t flags;

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

	uint32_t handle;

	uint32_t pitch;

	uint64_t 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 {

	uint32_t handle;

};

#endif