/* SPDX-License-Identifier: MIT */
/* Copyright (c) 2012-2020 NVIDIA Corporation */
#ifndef _UAPI_TEGRA_DRM_H_
#define _UAPI_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 16 x16 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 (0 xffffffff)
/**
* 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
* 16 x16 tiling format
*
* DRM_TEGRA_GEM_TILING_MODE_BLOCK
* 16 Bx2 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 0 x00
#define DRM_TEGRA_GEM_MMAP 0 x01
#define DRM_TEGRA_SYNCPT_READ 0 x02
#define DRM_TEGRA_SYNCPT_INCR 0 x03
#define DRM_TEGRA_SYNCPT_WAIT 0 x04
#define DRM_TEGRA_OPEN_CHANNEL 0 x05
#define DRM_TEGRA_CLOSE_CHANNEL 0 x06
#define DRM_TEGRA_GET_SYNCPT 0 x07
#define DRM_TEGRA_SUBMIT 0 x08
#define DRM_TEGRA_GET_SYNCPT_BASE 0 x09
#define DRM_TEGRA_GEM_SET_TILING 0 x0a
#define DRM_TEGRA_GEM_GET_TILING 0 x0b
#define DRM_TEGRA_GEM_SET_FLAGS 0 x0c
#define DRM_TEGRA_GEM_GET_FLAGS 0 x0d
#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 + 0 x10, struct drm_tegra_channel_open)
#define DRM_IOCTL_TEGRA_CHANNEL_CLOSE DRM_IOWR(DRM_COMMAND_BASE + 0 x11, struct drm_tegra_channel_close)
#define DRM_IOCTL_TEGRA_CHANNEL_MAP DRM_IOWR(DRM_COMMAND_BASE + 0 x12, struct drm_tegra_channel_map)
#define DRM_IOCTL_TEGRA_CHANNEL_UNMAP DRM_IOWR(DRM_COMMAND_BASE + 0 x13, struct drm_tegra_channel_unmap)
#define DRM_IOCTL_TEGRA_CHANNEL_SUBMIT DRM_IOWR(DRM_COMMAND_BASE + 0 x14, struct drm_tegra_channel_submit)
#define DRM_IOCTL_TEGRA_SYNCPOINT_ALLOCATE DRM_IOWR(DRM_COMMAND_BASE + 0 x20, struct drm_tegra_syncpoint_allocate)
#define DRM_IOCTL_TEGRA_SYNCPOINT_FREE DRM_IOWR(DRM_COMMAND_BASE + 0 x21, struct drm_tegra_syncpoint_free)
#define DRM_IOCTL_TEGRA_SYNCPOINT_WAIT DRM_IOWR(DRM_COMMAND_BASE + 0 x22, struct drm_tegra_syncpoint_wait)
#if defined (__cplusplus)
}
#endif
#endif
Messung V0.5 in Prozent C=92 H=89 G=90
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