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 | |
14 | struct drm_file; |
15 | struct drm_device; |
16 | |
17 | struct 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 | |
27 | struct 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 | |
37 | int tegra_drm_ioctl_channel_open(struct drm_device *drm, void *data, |
38 | struct drm_file *file); |
39 | int tegra_drm_ioctl_channel_close(struct drm_device *drm, void *data, |
40 | struct drm_file *file); |
41 | int tegra_drm_ioctl_channel_map(struct drm_device *drm, void *data, |
42 | struct drm_file *file); |
43 | int tegra_drm_ioctl_channel_unmap(struct drm_device *drm, void *data, |
44 | struct drm_file *file); |
45 | int tegra_drm_ioctl_channel_submit(struct drm_device *drm, void *data, |
46 | struct drm_file *file); |
47 | int tegra_drm_ioctl_syncpoint_allocate(struct drm_device *drm, void *data, |
48 | struct drm_file *file); |
49 | int tegra_drm_ioctl_syncpoint_free(struct drm_device *drm, void *data, |
50 | struct drm_file *file); |
51 | int tegra_drm_ioctl_syncpoint_wait(struct drm_device *drm, void *data, |
52 | struct drm_file *file); |
53 | |
54 | void tegra_drm_uapi_close_file(struct tegra_drm_file *file); |
55 | void tegra_drm_mapping_put(struct tegra_drm_mapping *mapping); |
56 | |
57 | #endif |
58 | |