/*

 * Copyright (c) 2012-2013, NVIDIA CORPORATION.  All rights reserved.

 *

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

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

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

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

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

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

 *

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

 * all copies or substantial portions of the Software.

 *

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

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

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

 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR

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

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

 * OTHER DEALINGS IN THE SOFTWARE.

 */

#ifndef _TEGRA_DRM_H_

#define _TEGRA_DRM_H_

#include "drm.h"

#if defined(__cplusplus)

extern "C" {

#endif

#define DRM_TEGRA_GEM_CREATE_TILED     (1 << 0)

#define DRM_TEGRA_GEM_CREATE_BOTTOM_UP (1 << 1)

/**

 * struct drm_tegra_gem_create - parameters for the GEM object creation IOCTL

 */

struct drm_tegra_gem_create {

	/**

	 * @size:

	 *

	 * The size, in bytes, of the buffer object to be created.

	 */

	__u64 size;

	/**

	 * @flags:

	 *

	 * A bitmask of flags that influence the creation of GEM objects:

	 *

	 * DRM_TEGRA_GEM_CREATE_TILED

	 *   Use the 16x16 tiling format for this buffer.

	 *

	 * DRM_TEGRA_GEM_CREATE_BOTTOM_UP

	 *   The buffer has a bottom-up layout.

	 */

	__u32 flags;

	/**

	 * @handle:

	 *

	 * The handle of the created GEM object. Set by the kernel upon

	 * successful completion of the IOCTL.

	 */

	__u32 handle;

};

/**

 * struct drm_tegra_gem_mmap - parameters for the GEM mmap IOCTL

 */

struct drm_tegra_gem_mmap {

	/**

	 * @handle:

	 *

	 * Handle of the GEM object to obtain an mmap offset for.

	 */

	__u32 handle;

	/**

	 * @pad:

	 *

	 * Structure padding that may be used in the future. Must be 0.

	 */

	__u32 pad;

	/**

	 * @offset:

	 *

	 * The mmap offset for the given GEM object. Set by the kernel upon

	 * successful completion of the IOCTL.

	 */

	__u64 offset;

};

/**

 * struct drm_tegra_syncpt_read - parameters for the read syncpoint IOCTL

 */

struct drm_tegra_syncpt_read {

	/**

	 * @id:

	 *

	 * ID of the syncpoint to read the current value from.

	 */

	__u32 id;

	/**

	 * @value:

	 *

	 * The current syncpoint value. Set by the kernel upon successful

	 * completion of the IOCTL.

	 */

	__u32 value;

};

/**

 * struct drm_tegra_syncpt_incr - parameters for the increment syncpoint IOCTL

 */

struct drm_tegra_syncpt_incr {

	/**

	 * @id:

	 *

	 * ID of the syncpoint to increment.

	 */

	__u32 id;

	/**

	 * @pad:

	 *

	 * Structure padding that may be used in the future. Must be 0.

	 */

	__u32 pad;

};

/**

 * struct drm_tegra_syncpt_wait - parameters for the wait syncpoint IOCTL

 */

struct drm_tegra_syncpt_wait {

	/**

	 * @id:

	 *

	 * ID of the syncpoint to wait on.

	 */

	__u32 id;

	/**

	 * @thresh:

	 *

	 * Threshold value for which to wait.

	 */

	__u32 thresh;

	/**

	 * @timeout:

	 *

	 * Timeout, in milliseconds, to wait.

	 */

	__u32 timeout;

	/**

	 * @value:

	 *

	 * The new syncpoint value after the wait. Set by the kernel upon

	 * successful completion of the IOCTL.

	 */

	__u32 value;

};

#define DRM_TEGRA_NO_TIMEOUT	(0xffffffff)

/**

 * struct drm_tegra_open_channel - parameters for the open channel IOCTL

 */

struct drm_tegra_open_channel {

	/**

	 * @client:

	 *

	 * The client ID for this channel.

	 */

	__u32 client;

	/**

	 * @pad:

	 *

	 * Structure padding that may be used in the future. Must be 0.

	 */

	__u32 pad;

	/**

	 * @context:

	 *

	 * The application context of this channel. Set by the kernel upon

	 * successful completion of the IOCTL. This context needs to be passed

	 * to the DRM_TEGRA_CHANNEL_CLOSE or the DRM_TEGRA_SUBMIT IOCTLs.

	 */

	__u64 context;

};

/**

 * struct drm_tegra_close_channel - parameters for the close channel IOCTL

 */

struct drm_tegra_close_channel {

	/**

	 * @context:

	 *

	 * The application context of this channel. This is obtained from the

	 * DRM_TEGRA_OPEN_CHANNEL IOCTL.

	 */

	__u64 context;

};

/**

 * struct drm_tegra_get_syncpt - parameters for the get syncpoint IOCTL

 */

struct drm_tegra_get_syncpt {

	/**

	 * @context:

	 *

	 * The application context identifying the channel for which to obtain

	 * the syncpoint ID.

	 */

	__u64 context;

	/**

	 * @index:

	 *

	 * Index of the client syncpoint for which to obtain the ID.

	 */

	__u32 index;

	/**

	 * @id:

	 *

	 * The ID of the given syncpoint. Set by the kernel upon successful

	 * completion of the IOCTL.

	 */

	__u32 id;

};

/**

 * struct drm_tegra_get_syncpt_base - parameters for the get wait base IOCTL

 */

struct drm_tegra_get_syncpt_base {

	/**

	 * @context:

	 *

	 * The application context identifying for which channel to obtain the

	 * wait base.

	 */

	__u64 context;

	/**

	 * @syncpt:

	 *

	 * ID of the syncpoint for which to obtain the wait base.

	 */

	__u32 syncpt;

	/**

	 * @id:

	 *

	 * The ID of the wait base corresponding to the client syncpoint. Set

	 * by the kernel upon successful completion of the IOCTL.

	 */

	__u32 id;

};

/**

 * struct drm_tegra_syncpt - syncpoint increment operation

 */

struct drm_tegra_syncpt {

	/**

	 * @id:

	 *

	 * ID of the syncpoint to operate on.

	 */

	__u32 id;

	/**

	 * @incrs:

	 *

	 * Number of increments to perform for the syncpoint.

	 */

	__u32 incrs;

};

/**

 * struct drm_tegra_cmdbuf - structure describing a command buffer

 */

struct drm_tegra_cmdbuf {

	/**

	 * @handle:

	 *

	 * Handle to a GEM object containing the command buffer.

	 */

	__u32 handle;

	/**

	 * @offset:

	 *

	 * Offset, in bytes, into the GEM object identified by @handle at

	 * which the command buffer starts.

	 */

	__u32 offset;

	/**

	 * @words:

	 *

	 * Number of 32-bit words in this command buffer.

	 */

	__u32 words;

	/**

	 * @pad:

	 *

	 * Structure padding that may be used in the future. Must be 0.

	 */

	__u32 pad;

};

/**

 * struct drm_tegra_reloc - GEM object relocation structure

 */

struct drm_tegra_reloc {

	struct {

		/**

		 * @cmdbuf.handle:

		 *

		 * Handle to the GEM object containing the command buffer for

		 * which to perform this GEM object relocation.

		 */

		__u32 handle;

		/**

		 * @cmdbuf.offset:

		 *

		 * Offset, in bytes, into the command buffer at which to

		 * insert the relocated address.

		 */

		__u32 offset;

	} cmdbuf;

	struct {

		/**

		 * @target.handle:

		 *

		 * Handle to the GEM object to be relocated.

		 */

		__u32 handle;

		/**

		 * @target.offset:

		 *

		 * Offset, in bytes, into the target GEM object at which the

		 * relocated data starts.

		 */

		__u32 offset;

	} target;

	/**

	 * @shift:

	 *

	 * The number of bits by which to shift relocated addresses.

	 */

	__u32 shift;

	/**

	 * @pad:

	 *

	 * Structure padding that may be used in the future. Must be 0.

	 */

	__u32 pad;

};

/**

 * struct drm_tegra_waitchk - wait check structure

 */

struct drm_tegra_waitchk {

	/**

	 * @handle:

	 *

	 * Handle to the GEM object containing a command stream on which to

	 * perform the wait check.

	 */

	__u32 handle;

	/**

	 * @offset:

	 *

	 * Offset, in bytes, of the location in the command stream to perform

	 * the wait check on.

	 */

	__u32 offset;

	/**

	 * @syncpt:

	 *

	 * ID of the syncpoint to wait check.

	 */

	__u32 syncpt;

	/**

	 * @thresh:

	 *

	 * Threshold value for which to check.

	 */

	__u32 thresh;

};

/**

 * struct drm_tegra_submit - job submission structure

 */

struct drm_tegra_submit {

	/**

	 * @context:

	 *

	 * The application context identifying the channel to use for the

	 * execution of this job.

	 */

	__u64 context;

	/**

	 * @num_syncpts:

	 *

	 * The number of syncpoints operated on by this job. This defines the

	 * length of the array pointed to by @syncpts.

	 */

	__u32 num_syncpts;

	/**

	 * @num_cmdbufs:

	 *

	 * The number of command buffers to execute as part of this job. This

	 * defines the length of the array pointed to by @cmdbufs.

	 */

	__u32 num_cmdbufs;

	/**

	 * @num_relocs:

	 *

	 * The number of relocations to perform before executing this job.

	 * This defines the length of the array pointed to by @relocs.

	 */

	__u32 num_relocs;

	/**

	 * @num_waitchks:

	 *

	 * The number of wait checks to perform as part of this job. This

	 * defines the length of the array pointed to by @waitchks.

	 */

	__u32 num_waitchks;

	/**

	 * @waitchk_mask:

	 *

	 * Bitmask of valid wait checks.

	 */

	__u32 waitchk_mask;

	/**

	 * @timeout:

	 *

	 * Timeout, in milliseconds, before this job is cancelled.

	 */

	__u32 timeout;

	/**

	 * @syncpts:

	 *

	 * A pointer to an array of &struct drm_tegra_syncpt structures that

	 * specify the syncpoint operations performed as part of this job.

	 * The number of elements in the array must be equal to the value

	 * given by @num_syncpts.

	 */

	__u64 syncpts;

	/**

	 * @cmdbufs:

	 *

	 * A pointer to an array of &struct drm_tegra_cmdbuf structures that

	 * define the command buffers to execute as part of this job. The

	 * number of elements in the array must be equal to the value given

	 * by @num_syncpts.

	 */

	__u64 cmdbufs;

	/**

	 * @relocs:

	 *

	 * A pointer to an array of &struct drm_tegra_reloc structures that

	 * specify the relocations that need to be performed before executing

	 * this job. The number of elements in the array must be equal to the

	 * value given by @num_relocs.

	 */

	__u64 relocs;

	/**

	 * @waitchks:

	 *

	 * A pointer to an array of &struct drm_tegra_waitchk structures that

	 * specify the wait checks to be performed while executing this job.

	 * The number of elements in the array must be equal to the value

	 * given by @num_waitchks.

	 */

	__u64 waitchks;

	/**

	 * @fence:

	 *

	 * The threshold of the syncpoint associated with this job after it

	 * has been completed. Set by the kernel upon successful completion of

	 * the IOCTL. This can be used with the DRM_TEGRA_SYNCPT_WAIT IOCTL to

	 * wait for this job to be finished.

	 */

	__u32 fence;

	/**

	 * @reserved:

	 *

	 * This field is reserved for future use. Must be 0.

	 */

	__u32 reserved[5];

};

#define DRM_TEGRA_GEM_TILING_MODE_PITCH 0

#define DRM_TEGRA_GEM_TILING_MODE_TILED 1

#define DRM_TEGRA_GEM_TILING_MODE_BLOCK 2

/**

 * struct drm_tegra_gem_set_tiling - parameters for the set tiling IOCTL

 */

struct drm_tegra_gem_set_tiling {

	/**

	 * @handle:

	 *

	 * Handle to the GEM object for which to set the tiling parameters.

	 */

	__u32 handle;

	/**

	 * @mode:

	 *

	 * The tiling mode to set. Must be one of:

	 *

	 * DRM_TEGRA_GEM_TILING_MODE_PITCH

	 *   pitch linear format

	 *

	 * DRM_TEGRA_GEM_TILING_MODE_TILED

	 *   16x16 tiling format

	 *

	 * DRM_TEGRA_GEM_TILING_MODE_BLOCK

	 *   16Bx2 tiling format

	 */

	__u32 mode;

	/**

	 * @value:

	 *

	 * The value to set for the tiling mode parameter.

	 */

	__u32 value;

	/**

	 * @pad:

	 *

	 * Structure padding that may be used in the future. Must be 0.

	 */

	__u32 pad;

};

/**

 * struct drm_tegra_gem_get_tiling - parameters for the get tiling IOCTL

 */

struct drm_tegra_gem_get_tiling {

	/**

	 * @handle:

	 *

	 * Handle to the GEM object for which to query the tiling parameters.

	 */

	__u32 handle;

	/**

	 * @mode:

	 *

	 * The tiling mode currently associated with the GEM object. Set by

	 * the kernel upon successful completion of the IOCTL.

	 */

	__u32 mode;

	/**

	 * @value:

	 *

	 * The tiling mode parameter currently associated with the GEM object.

	 * Set by the kernel upon successful completion of the IOCTL.

	 */

	__u32 value;

	/**

	 * @pad:

	 *

	 * Structure padding that may be used in the future. Must be 0.

	 */

	__u32 pad;

};

#define DRM_TEGRA_GEM_BOTTOM_UP		(1 << 0)

#define DRM_TEGRA_GEM_FLAGS		(DRM_TEGRA_GEM_BOTTOM_UP)

/**

 * struct drm_tegra_gem_set_flags - parameters for the set flags IOCTL

 */

struct drm_tegra_gem_set_flags {

	/**

	 * @handle:

	 *

	 * Handle to the GEM object for which to set the flags.

	 */

	__u32 handle;

	/**

	 * @flags:

	 *

	 * The flags to set for the GEM object.

	 */

	__u32 flags;

};

/**

 * struct drm_tegra_gem_get_flags - parameters for the get flags IOCTL

 */

struct drm_tegra_gem_get_flags {

	/**

	 * @handle:

	 *

	 * Handle to the GEM object for which to query the flags.

	 */

	__u32 handle;

	/**

	 * @flags:

	 *

	 * The flags currently associated with the GEM object. Set by the

	 * kernel upon successful completion of the IOCTL.

	 */

	__u32 flags;

};

#define DRM_TEGRA_GEM_CREATE		0x00

#define DRM_TEGRA_GEM_MMAP		0x01

#define DRM_TEGRA_SYNCPT_READ		0x02

#define DRM_TEGRA_SYNCPT_INCR		0x03

#define DRM_TEGRA_SYNCPT_WAIT		0x04

#define DRM_TEGRA_OPEN_CHANNEL		0x05

#define DRM_TEGRA_CLOSE_CHANNEL		0x06

#define DRM_TEGRA_GET_SYNCPT		0x07

#define DRM_TEGRA_SUBMIT		0x08

#define DRM_TEGRA_GET_SYNCPT_BASE	0x09

#define DRM_TEGRA_GEM_SET_TILING	0x0a

#define DRM_TEGRA_GEM_GET_TILING	0x0b

#define DRM_TEGRA_GEM_SET_FLAGS		0x0c

#define DRM_TEGRA_GEM_GET_FLAGS		0x0d

#define DRM_IOCTL_TEGRA_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_CREATE, struct drm_tegra_gem_create)

#define DRM_IOCTL_TEGRA_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_MMAP, struct drm_tegra_gem_mmap)

#define DRM_IOCTL_TEGRA_SYNCPT_READ DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SYNCPT_READ, struct drm_tegra_syncpt_read)

#define DRM_IOCTL_TEGRA_SYNCPT_INCR DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SYNCPT_INCR, struct drm_tegra_syncpt_incr)

#define DRM_IOCTL_TEGRA_SYNCPT_WAIT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SYNCPT_WAIT, struct drm_tegra_syncpt_wait)

#define DRM_IOCTL_TEGRA_OPEN_CHANNEL DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_OPEN_CHANNEL, struct drm_tegra_open_channel)

#define DRM_IOCTL_TEGRA_CLOSE_CHANNEL DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_CLOSE_CHANNEL, struct drm_tegra_close_channel)

#define DRM_IOCTL_TEGRA_GET_SYNCPT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GET_SYNCPT, struct drm_tegra_get_syncpt)

#define DRM_IOCTL_TEGRA_SUBMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SUBMIT, struct drm_tegra_submit)

#define DRM_IOCTL_TEGRA_GET_SYNCPT_BASE DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GET_SYNCPT_BASE, struct drm_tegra_get_syncpt_base)

#define DRM_IOCTL_TEGRA_GEM_SET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_SET_TILING, struct drm_tegra_gem_set_tiling)

#define DRM_IOCTL_TEGRA_GEM_GET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_GET_TILING, struct drm_tegra_gem_get_tiling)

#define DRM_IOCTL_TEGRA_GEM_SET_FLAGS DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_SET_FLAGS, struct drm_tegra_gem_set_flags)

#define DRM_IOCTL_TEGRA_GEM_GET_FLAGS DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_GET_FLAGS, struct drm_tegra_gem_get_flags)

#if defined(__cplusplus)

}

#endif

#endif