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/*
* Copyright (c) 2016, Fuzhou Rockchip Electronics Co., Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __RKNAND_BLK_H
#define __RKNAND_BLK_H
#include <linux/semaphore.h>
#define MAX_PART_COUNT 32
struct nand_part {
unsigned char name[32];
unsigned long offset;
unsigned long size;
unsigned char type;
};
struct nand_blk_dev {
struct nand_blk_ops *nandr;
struct list_head list;
int devnum;
unsigned long size;
unsigned long off_size;
int readonly;
int writeonly;
int disable_access;
void *blkcore_priv;
};
struct nand_blk_ops {
char *name;
int major;
int minorbits;
int last_dev_index;
struct completion thread_exit;
int quit;
int nand_th_quited;
wait_queue_head_t thread_wq; /* thread wait queue */
struct request_queue *rq;
spinlock_t queue_lock; /* queue lock */
struct list_head devs;
struct module *owner;
};
extern struct device *g_nand_device;
void rknand_dev_suspend(void);
void rknand_dev_resume(void);
void rknand_dev_shutdown(void);
void rknand_dev_flush(void);
int __init rknand_dev_init(void);
int rknand_dev_exit(void);
void rknand_device_lock(void);
int rknand_device_trylock(void);
void rknand_device_unlock(void);
int nand_blk_add_whole_disk(void);
#endif
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