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/*
* Copyright © 2014-2017 Broadcom
*
* 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 (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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 _VC5_DRM_H_
#define _VC5_DRM_H_
#include "drm.h"
#if defined(__cplusplus)
extern "C" {
#endif
#define DRM_VC5_SUBMIT_CL 0x00
#define DRM_VC5_WAIT_SEQNO 0x01
#define DRM_VC5_WAIT_BO 0x02
#define DRM_VC5_CREATE_BO 0x03
#define DRM_VC5_MMAP_BO 0x04
#define DRM_VC5_GET_PARAM 0x05
#define DRM_VC5_GET_BO_OFFSET 0x06
#define DRM_IOCTL_VC5_SUBMIT_CL DRM_IOWR(DRM_COMMAND_BASE + DRM_VC5_SUBMIT_CL, struct drm_vc5_submit_cl)
#define DRM_IOCTL_VC5_WAIT_SEQNO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC5_WAIT_SEQNO, struct drm_vc5_wait_seqno)
#define DRM_IOCTL_VC5_WAIT_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC5_WAIT_BO, struct drm_vc5_wait_bo)
#define DRM_IOCTL_VC5_CREATE_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC5_CREATE_BO, struct drm_vc5_create_bo)
#define DRM_IOCTL_VC5_MMAP_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC5_MMAP_BO, struct drm_vc5_mmap_bo)
#define DRM_IOCTL_VC5_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_VC5_GET_PARAM, struct drm_vc5_get_param)
#define DRM_IOCTL_VC5_GET_BO_OFFSET DRM_IOWR(DRM_COMMAND_BASE + DRM_VC5_GET_BO_OFFSET, struct drm_vc5_get_bo_offset)
/**
* struct drm_vc5_submit_cl - ioctl argument for submitting commands to the 3D
* engine.
*
* This asks the kernel to have the GPU execute an optional binner
* command list, and a render command list.
*/
struct drm_vc5_submit_cl {
/* Pointer to the binner command list.
*
* This is the first set of commands executed, which runs the
* coordinate shader to determine where primitives land on the screen,
* then writes out the state updates and draw calls necessary per tile
* to the tile allocation BO.
*/
__u32 bcl_start;
/** End address of the BCL (first byte after the BCL) */
__u32 bcl_end;
/* Offset of the render command list.
*
* This is the second set of commands executed, which will either
* execute the tiles that have been set up by the BCL, or a fixed set
* of tiles (in the case of RCL-only blits).
*/
__u32 rcl_start;
/** End address of the RCL (first byte after the RCL) */
__u32 rcl_end;
/* Pointer to a u32 array of the BOs that are referenced by the job.
*/
__u64 bo_handles;
/* Pointer to an array of chunks of extra submit CL information. (the
* chunk struct is not yet defined)
*/
__u64 chunks;
/* Number of BO handles passed in (size is that times 4). */
__u32 bo_handle_count;
__u32 chunk_count;
__u64 flags;
};
/**
* struct drm_vc5_wait_seqno - ioctl argument for waiting for
* DRM_VC5_SUBMIT_CL completion using its returned seqno.
*
* timeout_ns is the timeout in nanoseconds, where "0" means "don't
* block, just return the status."
*/
struct drm_vc5_wait_seqno {
__u64 seqno;
__u64 timeout_ns;
};
/**
* struct drm_vc5_wait_bo - ioctl argument for waiting for
* completion of the last DRM_VC5_SUBMIT_CL on a BO.
*
* This is useful for cases where multiple processes might be
* rendering to a BO and you want to wait for all rendering to be
* completed.
*/
struct drm_vc5_wait_bo {
__u32 handle;
__u32 pad;
__u64 timeout_ns;
};
/**
* struct drm_vc5_create_bo - ioctl argument for creating VC5 BOs.
*
* There are currently no values for the flags argument, but it may be
* used in a future extension.
*/
struct drm_vc5_create_bo {
__u32 size;
__u32 flags;
/** Returned GEM handle for the BO. */
__u32 handle;
/**
* Returned offset for the BO in the V3D address space. This offset
* is private to the DRM fd and is valid for the lifetime of the GEM
* handle.
*/
__u32 offset;
};
/**
* struct drm_vc5_mmap_bo - ioctl argument for mapping VC5 BOs.
*
* This doesn't actually perform an mmap. Instead, it returns the
* offset you need to use in an mmap on the DRM device node. This
* means that tools like valgrind end up knowing about the mapped
* memory.
*
* There are currently no values for the flags argument, but it may be
* used in a future extension.
*/
struct drm_vc5_mmap_bo {
/** Handle for the object being mapped. */
__u32 handle;
__u32 flags;
/** offset into the drm node to use for subsequent mmap call. */
__u64 offset;
};
enum drm_vc5_param {
DRM_VC5_PARAM_V3D_UIFCFG,
DRM_VC5_PARAM_V3D_HUB_IDENT1,
DRM_VC5_PARAM_V3D_HUB_IDENT2,
DRM_VC5_PARAM_V3D_HUB_IDENT3,
DRM_VC5_PARAM_V3D_CORE0_IDENT0,
DRM_VC5_PARAM_V3D_CORE0_IDENT1,
DRM_VC5_PARAM_V3D_CORE0_IDENT2,
};
struct drm_vc5_get_param {
__u32 param;
__u32 pad;
__u64 value;
};
/**
* Returns the offset for the BO in the V3D address space for this DRM fd.
* This is the same value returned by drm_vc5_create_bo, if that was called
* from this DRM fd.
*/
struct drm_vc5_get_bo_offset {
__u32 handle;
__u32 offset;
};
#if defined(__cplusplus)
}
#endif
#endif /* _VC5_DRM_H_ */
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