58 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-only */
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| /* Copyright (c) 2020 NVIDIA Corporation */
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| 
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| #ifndef _TEGRA_DRM_UAPI_H
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| #define _TEGRA_DRM_UAPI_H
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| 
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| #include <linux/dma-mapping.h>
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| #include <linux/idr.h>
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| #include <linux/kref.h>
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| #include <linux/xarray.h>
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| 
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| #include <drm/drm.h>
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| 
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| struct drm_file;
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| struct drm_device;
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| 
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| struct tegra_drm_file {
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| 	/* Legacy UAPI state */
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| 	struct idr legacy_contexts;
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| 	struct mutex lock;
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| 
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| 	/* New UAPI state */
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| 	struct xarray contexts;
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| 	struct xarray syncpoints;
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| };
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| 
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| struct tegra_drm_mapping {
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| 	struct kref ref;
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| 
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| 	struct host1x_bo_mapping *map;
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| 	struct host1x_bo *bo;
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| 
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| 	dma_addr_t iova;
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| 	dma_addr_t iova_end;
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| };
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| 
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| int tegra_drm_ioctl_channel_open(struct drm_device *drm, void *data,
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| 				 struct drm_file *file);
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| int tegra_drm_ioctl_channel_close(struct drm_device *drm, void *data,
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| 				  struct drm_file *file);
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| int tegra_drm_ioctl_channel_map(struct drm_device *drm, void *data,
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| 				struct drm_file *file);
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| int tegra_drm_ioctl_channel_unmap(struct drm_device *drm, void *data,
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| 				  struct drm_file *file);
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| int tegra_drm_ioctl_channel_submit(struct drm_device *drm, void *data,
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| 				   struct drm_file *file);
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| int tegra_drm_ioctl_syncpoint_allocate(struct drm_device *drm, void *data,
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| 				       struct drm_file *file);
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| int tegra_drm_ioctl_syncpoint_free(struct drm_device *drm, void *data,
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| 				   struct drm_file *file);
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| int tegra_drm_ioctl_syncpoint_wait(struct drm_device *drm, void *data,
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| 				   struct drm_file *file);
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| 
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| void tegra_drm_uapi_close_file(struct tegra_drm_file *file);
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| void tegra_drm_mapping_put(struct tegra_drm_mapping *mapping);
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| 
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| #endif
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