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| Dir : //proc/thread-self/root/proc/self/root/proc/self/root/usr/include/drm/tegra_drm.h |
/* SPDX-License-Identifier: MIT */
/* Copyright (c) 2012-2020 NVIDIA Corporation */
#ifndef _TEGRA_DRM_H_
#define _TEGRA_DRM_H_
#include "drm.h"
#if defined(__cplusplus)
extern "C" {
#endif
/* Tegra DRM legacy UAPI. Only enabled with STAGING */
#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)
/* New Tegra DRM UAPI */
/*
* Reported by the driver in the `capabilities` field.
*
* DRM_TEGRA_CHANNEL_CAP_CACHE_COHERENT: If set, the engine is cache coherent
* with regard to the system memory.
*/
#define DRM_TEGRA_CHANNEL_CAP_CACHE_COHERENT (1 << 0)
struct drm_tegra_channel_open {
/**
* @host1x_class: [in]
*
* Host1x class of the engine that will be programmed using this
* channel.
*/
__u32 host1x_class;
/**
* @flags: [in]
*
* Flags.
*/
__u32 flags;
/**
* @context: [out]
*
* Opaque identifier corresponding to the opened channel.
*/
__u32 context;
/**
* @version: [out]
*
* Version of the engine hardware. This can be used by userspace
* to determine how the engine needs to be programmed.
*/
__u32 version;
/**
* @capabilities: [out]
*
* Flags describing the hardware capabilities.
*/
__u32 capabilities;
__u32 padding;
};
struct drm_tegra_channel_close {
/**
* @context: [in]
*
* Identifier of the channel to close.
*/
__u32 context;
__u32 padding;
};
/*
* Mapping flags that can be used to influence how the mapping is created.
*
* DRM_TEGRA_CHANNEL_MAP_READ: create mapping that allows HW read access
* DRM_TEGRA_CHANNEL_MAP_WRITE: create mapping that allows HW write access
*/
#define DRM_TEGRA_CHANNEL_MAP_READ (1 << 0)
#define DRM_TEGRA_CHANNEL_MAP_WRITE (1 << 1)
#define DRM_TEGRA_CHANNEL_MAP_READ_WRITE (DRM_TEGRA_CHANNEL_MAP_READ | \
DRM_TEGRA_CHANNEL_MAP_WRITE)
struct drm_tegra_channel_map {
/**
* @context: [in]
*
* Identifier of the channel to which make memory available for.
*/
__u32 context;
/**
* @handle: [in]
*
* GEM handle of the memory to map.
*/
__u32 handle;
/**
* @flags: [in]
*
* Flags.
*/
__u32 flags;
/**
* @mapping: [out]
*
* Identifier corresponding to the mapping, to be used for
* relocations or unmapping later.
*/
__u32 mapping;
};
struct drm_tegra_channel_unmap {
/**
* @context: [in]
*
* Channel identifier of the channel to unmap memory from.
*/
__u32 context;
/**
* @mapping: [in]
*
* Mapping identifier of the memory mapping to unmap.
*/
__u32 mapping;
};
/* Submission */
/**
* Specify that bit 39 of the patched-in address should be set to switch
* swizzling between Tegra and non-Tegra sector layout on systems that store
* surfaces in system memory in non-Tegra sector layout.
*/
#define DRM_TEGRA_SUBMIT_RELOC_SECTOR_LAYOUT (1 << 0)
struct drm_tegra_submit_buf {
/**
* @mapping: [in]
*
* Identifier of the mapping to use in the submission.
*/
__u32 mapping;
/**
* @flags: [in]
*
* Flags.
*/
__u32 flags;
/**
* Information for relocation patching.
*/
struct {
/**
* @target_offset: [in]
*
* Offset from the start of the mapping of the data whose
* address is to be patched into the gather.
*/
__u64 target_offset;
/**
* @gather_offset_words: [in]
*
* Offset in words from the start of the gather data to
* where the address should be patched into.
*/
__u32 gather_offset_words;
/**
* @shift: [in]
*
* Number of bits the address should be shifted right before
* patching in.
*/
__u32 shift;
} reloc;
};
/**
* Execute `words` words of Host1x opcodes specified in the `gather_data_ptr`
* buffer. Each GATHER_UPTR command uses successive words from the buffer.
*/
#define DRM_TEGRA_SUBMIT_CMD_GATHER_UPTR 0
/**
* Wait for a syncpoint to reach a value before continuing with further
* commands.
*/
#define DRM_TEGRA_SUBMIT_CMD_WAIT_SYNCPT 1
/**
* Wait for a syncpoint to reach a value before continuing with further
* commands. The threshold is calculated relative to the start of the job.
*/
#define DRM_TEGRA_SUBMIT_CMD_WAIT_SYNCPT_RELATIVE 2
struct drm_tegra_submit_cmd_gather_uptr {
__u32 words;
__u32 reserved[3];
};
struct drm_tegra_submit_cmd_wait_syncpt {
__u32 id;
__u32 value;
__u32 reserved[2];
};
struct drm_tegra_submit_cmd {
/**
* @type: [in]
*
* Command type to execute. One of the DRM_TEGRA_SUBMIT_CMD*
* defines.
*/
__u32 type;
/**
* @flags: [in]
*
* Flags.
*/
__u32 flags;
union {
struct drm_tegra_submit_cmd_gather_uptr gather_uptr;
struct drm_tegra_submit_cmd_wait_syncpt wait_syncpt;
__u32 reserved[4];
};
};
struct drm_tegra_submit_syncpt {
/**
* @id: [in]
*
* ID of the syncpoint that the job will increment.
*/
__u32 id;
/**
* @flags: [in]
*
* Flags.
*/
__u32 flags;
/**
* @increments: [in]
*
* Number of times the job will increment this syncpoint.
*/
__u32 increments;
/**
* @value: [out]
*
* Value the syncpoint will have once the job has completed all
* its specified syncpoint increments.
*
* Note that the kernel may increment the syncpoint before or after
* the job. These increments are not reflected in this field.
*
* If the job hangs or times out, not all of the increments may
* get executed.
*/
__u32 value;
};
struct drm_tegra_channel_submit {
/**
* @context: [in]
*
* Identifier of the channel to submit this job to.
*/
__u32 context;
/**
* @num_bufs: [in]
*
* Number of elements in the `bufs_ptr` array.
*/
__u32 num_bufs;
/**
* @num_cmds: [in]
*
* Number of elements in the `cmds_ptr` array.
*/
__u32 num_cmds;
/**
* @gather_data_words: [in]
*
* Number of 32-bit words in the `gather_data_ptr` array.
*/
__u32 gather_data_words;
/**
* @bufs_ptr: [in]
*
* Pointer to an array of drm_tegra_submit_buf structures.
*/
__u64 bufs_ptr;
/**
* @cmds_ptr: [in]
*
* Pointer to an array of drm_tegra_submit_cmd structures.
*/
__u64 cmds_ptr;
/**
* @gather_data_ptr: [in]
*
* Pointer to an array of Host1x opcodes to be used by GATHER_UPTR
* commands.
*/
__u64 gather_data_ptr;
/**
* @syncobj_in: [in]
*
* Handle for DRM syncobj that will be waited before submission.
* Ignored if zero.
*/
__u32 syncobj_in;
/**
* @syncobj_out: [in]
*
* Handle for DRM syncobj that will have its fence replaced with
* the job's completion fence. Ignored if zero.
*/
__u32 syncobj_out;
/**
* @syncpt_incr: [in,out]
*
* Information about the syncpoint the job will increment.
*/
struct drm_tegra_submit_syncpt syncpt;
};
struct drm_tegra_syncpoint_allocate {
/**
* @id: [out]
*
* ID of allocated syncpoint.
*/
__u32 id;
__u32 padding;
};
struct drm_tegra_syncpoint_free {
/**
* @id: [in]
*
* ID of syncpoint to free.
*/
__u32 id;
__u32 padding;
};
struct drm_tegra_syncpoint_wait {
/**
* @timeout: [in]
*
* Absolute timestamp at which the wait will time out.
*/
__s64 timeout_ns;
/**
* @id: [in]
*
* ID of syncpoint to wait on.
*/
__u32 id;
/**
* @threshold: [in]
*
* Threshold to wait for.
*/
__u32 threshold;
/**
* @value: [out]
*
* Value of the syncpoint upon wait completion.
*/
__u32 value;
__u32 padding;
};
#define DRM_IOCTL_TEGRA_CHANNEL_OPEN DRM_IOWR(DRM_COMMAND_BASE + 0x10, struct drm_tegra_channel_open)
#define DRM_IOCTL_TEGRA_CHANNEL_CLOSE DRM_IOWR(DRM_COMMAND_BASE + 0x11, struct drm_tegra_channel_close)
#define DRM_IOCTL_TEGRA_CHANNEL_MAP DRM_IOWR(DRM_COMMAND_BASE + 0x12, struct drm_tegra_channel_map)
#define DRM_IOCTL_TEGRA_CHANNEL_UNMAP DRM_IOWR(DRM_COMMAND_BASE + 0x13, struct drm_tegra_channel_unmap)
#define DRM_IOCTL_TEGRA_CHANNEL_SUBMIT DRM_IOWR(DRM_COMMAND_BASE + 0x14, struct drm_tegra_channel_submit)
#define DRM_IOCTL_TEGRA_SYNCPOINT_ALLOCATE DRM_IOWR(DRM_COMMAND_BASE + 0x20, struct drm_tegra_syncpoint_allocate)
#define DRM_IOCTL_TEGRA_SYNCPOINT_FREE DRM_IOWR(DRM_COMMAND_BASE + 0x21, struct drm_tegra_syncpoint_free)
#define DRM_IOCTL_TEGRA_SYNCPOINT_WAIT DRM_IOWR(DRM_COMMAND_BASE + 0x22, struct drm_tegra_syncpoint_wait)
#if defined(__cplusplus)
}
#endif
#endif