kernel/drivers/staging/imgtec/tc/drm_pdp_gem.h

/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
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/*************************************************************************/ /*!
@File
@Codingstyle    LinuxKernel
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@License        MIT

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*/ /**************************************************************************/

#if !defined(__DRM_PDP_GEM_H__)
#define __DRM_PDP_GEM_H__

#include <linux/version.h>
#include <drm/drmP.h>

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
#include <drm/drm_gem.h>
#endif

struct pdp_gem_private;

struct pdp_gem_private *pdp_gem_init(struct drm_device *dev);

void pdp_gem_cleanup(struct pdp_gem_private *dev_priv);

/* ioctl functions */
int pdp_gem_object_create_ioctl_priv(struct drm_device *dev,
				     struct pdp_gem_private *gem_priv,
				     void *data,
				     struct drm_file *file);
int pdp_gem_object_mmap_ioctl(struct drm_device *dev, void *data,
			      struct drm_file *file);
int pdp_gem_object_cpu_prep_ioctl(struct drm_device *dev, void *data,
				  struct drm_file *file);
int pdp_gem_object_cpu_fini_ioctl(struct drm_device *dev, void *data,
				  struct drm_file *file);

/* drm driver functions */
void pdp_gem_object_free_priv(struct pdp_gem_private *gem_priv,
			      struct drm_gem_object *obj);

struct dma_buf *pdp_gem_prime_export(struct drm_device *dev,
				     struct drm_gem_object *obj,
				     int flags);

struct drm_gem_object *pdp_gem_prime_import(struct drm_device *dev,
					    struct dma_buf *dma_buf);

struct drm_gem_object *
pdp_gem_prime_import_sg_table(struct drm_device *dev,
			      struct dma_buf_attachment *attach,
			      struct sg_table *sgt);

int pdp_gem_dumb_create_priv(struct drm_file *file,
			     struct drm_device *dev,
			     struct pdp_gem_private *gem_priv,
			     struct drm_mode_create_dumb *args);

int pdp_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
			    uint32_t handle, uint64_t *offset);

/* vm operation functions */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0))
int pdp_gem_object_vm_fault(struct vm_fault *vmf);
#else
int pdp_gem_object_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
#endif

/* internal interfaces */
struct reservation_object *pdp_gem_get_resv(struct drm_gem_object *obj);
u64 pdp_gem_get_dev_addr(struct drm_gem_object *obj);

#endif /* !defined(__DRM_PDP_GEM_H__) */