94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* linux/drivers/mtd/rknand/rknand_base.c
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*
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* Copyright (C) 2005-2009 Fuzhou Rockchip Electronics
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* ZYF <zyf@rock-chips.com>
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*
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*
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*/
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#ifndef _RKNAND_BASE_H
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#define _RKNAND_BASE_H
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//#include "api_flash.h"
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#define DRIVER_NAME "rk29xxnand"
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#define NAND_DEBUG_LEVEL0 0
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#define NAND_DEBUG_LEVEL1 1
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#define NAND_DEBUG_LEVEL2 2
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#define NAND_DEBUG_LEVEL3 3
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//#define PAGE_REMAP
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#ifndef CONFIG_RKFTL_PAGECACHE_SIZE
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#define CONFIG_RKFTL_PAGECACHE_SIZE 64 //定义page映射区大小，单位为MB,mount 在/data/data下。
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#endif
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extern unsigned long SysImageWriteEndAdd;
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extern int g_num_partitions;
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/*
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* rknand_state_t - chip states
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* Enumeration for Rknand flash chip state
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*/
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typedef enum {
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FL_READY,
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FL_READING,
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FL_WRITING,
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FL_ERASING,
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FL_SYNCING,
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FL_UNVALID,
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} rknand_state_t;
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struct rknand_chip {
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wait_queue_head_t wq;
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rknand_state_t state;
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int rknand_schedule_enable;//1 enable ,0 disable
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void (*pFlashCallBack)(void);//call back funtion
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};
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struct rknand_info {
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int enable;
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char *pbuf;
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int bufSize;
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unsigned int SysImageWriteEndAdd;
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unsigned int nandCapacity;
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struct rknand_chip rknand;
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int (*ftl_cache_en)(int en);
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int (*ftl_read) (int Index, int nSec, void *buf);
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int (*ftl_write) (int Index, int nSec, void *buf ,int mode);
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int (*ftl_write_panic) (int Index, int nSec, void *buf);
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int (*ftl_close)(void);
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int (*ftl_sync)(void);
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int (*proc_bufread)(char *page);
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int (*proc_ftlread)(char *page);
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int (*rknand_schedule_enable)(int en);
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int (*add_rknand_device)(struct rknand_info * prknand_Info);
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int (*get_rknand_device)(struct rknand_info ** prknand_Info);
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void (*rknand_buffer_shutdown)(void);
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int (*GetIdBlockSysData)(char * buf, int Sector);
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char (*GetSNSectorInfo)(char * pbuf);
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char (*GetChipSectorInfo)(char * pbuf);
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int emmc_clk_power_save_en;
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char *pdmaBuf;
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void (*nand_timing_config)(unsigned long AHBnKHz);
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void (*rknand_suspend)(void);
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void (*rknand_resume)(void);
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int (*rknand_re_init)(void);
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void (*rknand_dev_cache_flush)(void);
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int (*ftl_discard) (int Index, int nSec);
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int reserved[20];
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};
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extern int rknand_queue_read(int Index, int nSec, void *buf);
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extern int rknand_queue_write(int Index, int nSec, void *buf,int mode);
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extern int rknand_buffer_init(char * pbuf,int size);
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extern void rknand_buffer_data_init(void);
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extern void rknand_buffer_shutdown(void);
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extern int add_rknand_device(struct rknand_info * prknand_Info);
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extern int get_rknand_device(struct rknand_info ** prknand_Info);
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extern int rknand_buffer_sync(void);
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extern void rknand_cache_flush(void);
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extern void rknand_dev_cache_flush(void);
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#endif
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