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/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2020 NVIDIA Corporation */
#ifndef _TEGRA_DRM_UAPI_H
#define _TEGRA_DRM_UAPI_H
#include <linux/dma-mapping.h>
#include <linux/idr.h>
#include <linux/kref.h>
#include <linux/xarray.h>
#include <drm/drm.h>
struct drm_file;
struct drm_device;
struct tegra_drm_file {
/* Legacy UAPI state */
struct idr legacy_contexts;
struct mutex lock;
/* New UAPI state */
struct xarray contexts;
struct xarray syncpoints;
};
struct tegra_drm_mapping {
struct kref ref;
struct device *dev;
struct host1x_bo *bo;
struct sg_table *sgt;
enum dma_data_direction direction;
dma_addr_t iova;
dma_addr_t iova_end;
};
int tegra_drm_ioctl_channel_open(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_channel_close(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_channel_map(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_channel_unmap(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_channel_submit(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_syncpoint_allocate(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_syncpoint_free(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_syncpoint_wait(struct drm_device *drm, void *data,
struct drm_file *file);
void tegra_drm_uapi_close_file(struct tegra_drm_file *file);
void tegra_drm_mapping_put(struct tegra_drm_mapping *mapping);
#endif
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