/*
 *  bmm_drv.h
 *
 * Copyright (C) 2013 Russell King
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, you can distribute this file under the GNU Lesser
 * General Public License version 2.1 as published by the Free Software
 * Foundation.
 */
#ifndef __BMM_DRV_H__
#define __BMM_DRV_H__

#include <stdint.h>

#define BMM_DEVICE_FILE	"/dev/bmm"
#define BMM_MINOR	94

/* ioctl commands */
struct bmm_dmabuf_alloc {
	uint64_t size;
	uint64_t align;
	uint32_t attr;
	int32_t fd;
};

struct bmm_dmabuf_flush {
	uint64_t size;
	uint64_t offset;
	uint64_t ptr;
	int32_t fd;
	uint32_t direction;
};

#define BMEM_IOCTL_MAGIC 'G'
#define BMM_DMABUF_ALLOC _IOWR(BMEM_IOCTL_MAGIC, 64, struct bmm_dmabuf_alloc)
#define BMM_DMABUF_FLUSH _IOW(BMEM_IOCTL_MAGIC, 65, struct bmm_dmabuf_flush)

#endif /* __BMM_DRV_H__ */