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