1
2
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
19 struct idr legacy_contexts;
20 struct mutex lock;
21
22
23 struct xarray contexts;
24 struct xarray syncpoints;
25};
26
27struct tegra_drm_mapping {
28 struct kref ref;
29
30 struct device *dev;
31 struct host1x_bo *bo;
32 struct sg_table *sgt;
33 enum dma_data_direction direction;
34 dma_addr_t iova;
35 dma_addr_t iova_end;
36};
37
38int tegra_drm_ioctl_channel_open(struct drm_device *drm, void *data,
39 struct drm_file *file);
40int tegra_drm_ioctl_channel_close(struct drm_device *drm, void *data,
41 struct drm_file *file);
42int tegra_drm_ioctl_channel_map(struct drm_device *drm, void *data,
43 struct drm_file *file);
44int tegra_drm_ioctl_channel_unmap(struct drm_device *drm, void *data,
45 struct drm_file *file);
46int tegra_drm_ioctl_channel_submit(struct drm_device *drm, void *data,
47 struct drm_file *file);
48int tegra_drm_ioctl_syncpoint_allocate(struct drm_device *drm, void *data,
49 struct drm_file *file);
50int tegra_drm_ioctl_syncpoint_free(struct drm_device *drm, void *data,
51 struct drm_file *file);
52int tegra_drm_ioctl_syncpoint_wait(struct drm_device *drm, void *data,
53 struct drm_file *file);
54
55void tegra_drm_uapi_close_file(struct tegra_drm_file *file);
56void tegra_drm_mapping_put(struct tegra_drm_mapping *mapping);
57
58#endif
59
