/* SPDX-License-Identifier: GPL-2.0 */
/* Phytium display drm driver
 *
 * Copyright (C) 2021-2023, Phytium Technology Co., Ltd.
 */

#ifndef __PHYTIUM_GEM_H__
#define __PHYTIUM_GEM_H__

#include <drm/drm_gem.h>

struct phytium_gem_object {
	struct drm_gem_object base;
	phys_addr_t phys_addr;
	dma_addr_t iova;
	void *vaddr;
	unsigned long size;
	struct sg_table *sgt;
	char memory_type;
	char reserve[3];
	struct list_head list;
	void *vaddr_save;
};

#define	to_phytium_gem_obj(obj)		container_of(obj, struct phytium_gem_object, base)

int phytium_memory_pool_init(struct device *dev, struct phytium_display_private *priv);
void phytium_memory_pool_fini(struct device *dev, struct phytium_display_private *priv);
int phytium_gem_mmap_obj(struct drm_gem_object *obj, struct vm_area_struct *vma);
int phytium_gem_mmap(struct file *filp, struct vm_area_struct *vma);
void phytium_gem_free_object(struct drm_gem_object *obj);
struct sg_table *phytium_gem_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *phytium_gem_prime_import_sg_table(struct drm_device *dev,
					struct dma_buf_attachment *attach, struct sg_table *sgt);
void phytium_gem_free_object(struct drm_gem_object *obj);
int phytium_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, unsigned int handle);
struct phytium_gem_object *phytium_gem_create_object(struct drm_device *dev, unsigned long size);
int phytium_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
				     struct drm_mode_create_dumb *args);
int phytium_gem_suspend(struct drm_device *drm_dev);
void phytium_gem_resume(struct drm_device *drm_dev);
#endif /* __PHYTIUM_GEM_H__ */