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| Current File : //usr/include/drm/tegra_drm.h |
/*
* 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