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Diffstat (limited to 'include/uapi/drm/tegra_drm.h')
| -rw-r--r-- | include/uapi/drm/tegra_drm.h | 681 |
1 files changed, 681 insertions, 0 deletions
diff --git a/include/uapi/drm/tegra_drm.h b/include/uapi/drm/tegra_drm.h new file mode 100644 index 000000000..c4df3c366 --- /dev/null +++ b/include/uapi/drm/tegra_drm.h @@ -0,0 +1,681 @@ +/* + * 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 _UAPI_TEGRA_DRM_H_ +#define _UAPI_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 |