1/* SPDX-License-Identifier: GPL-2.0-only */
2/* Copyright (c) 2020 NVIDIA Corporation */
3
4#ifndef _TEGRA_DRM_UAPI_H
5#define _TEGRA_DRM_UAPI_H
6
7#include <linux/dma-mapping.h>
8#include <linux/idr.h>
9#include <linux/kref.h>
10#include <linux/xarray.h>
11
12#include <drm/drm.h>
13
14struct drm_file;
15struct drm_device;
16
17struct tegra_drm_file {
18 /* Legacy UAPI state */
19 struct idr legacy_contexts;
20 struct mutex lock;
21
22 /* New UAPI state */
23 struct xarray contexts;
24 struct xarray syncpoints;
25};
26
27struct tegra_drm_mapping {
28 struct kref ref;
29
30 struct host1x_bo_mapping *map;
31 struct host1x_bo *bo;
32
33 dma_addr_t iova;
34 dma_addr_t iova_end;
35};
36
37int tegra_drm_ioctl_channel_open(struct drm_device *drm, void *data,
38 struct drm_file *file);
39int tegra_drm_ioctl_channel_close(struct drm_device *drm, void *data,
40 struct drm_file *file);
41int tegra_drm_ioctl_channel_map(struct drm_device *drm, void *data,
42 struct drm_file *file);
43int tegra_drm_ioctl_channel_unmap(struct drm_device *drm, void *data,
44 struct drm_file *file);
45int tegra_drm_ioctl_channel_submit(struct drm_device *drm, void *data,
46 struct drm_file *file);
47int tegra_drm_ioctl_syncpoint_allocate(struct drm_device *drm, void *data,
48 struct drm_file *file);
49int tegra_drm_ioctl_syncpoint_free(struct drm_device *drm, void *data,
50 struct drm_file *file);
51int tegra_drm_ioctl_syncpoint_wait(struct drm_device *drm, void *data,
52 struct drm_file *file);
53
54void tegra_drm_uapi_close_file(struct tegra_drm_file *file);
55void tegra_drm_mapping_put(struct tegra_drm_mapping *mapping);
56
57#endif
58

source code of linux/drivers/gpu/drm/tegra/uapi.h