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/* * 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