/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2018 Rockchip Electronics Co. Ltd. */
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#ifndef __RKFLASH_BLK_H
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#define __RKFLASH_BLK_H
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#include <linux/semaphore.h>
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#include "rkflash_api.h"
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/* RKFLASH Dev Patition Max Count */
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#define MAX_PART_COUNT 32
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#define RK_PARTITION_TAG 0x50464B52
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struct flash_part {
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unsigned char name[32];
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unsigned int offset;
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unsigned int size;
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unsigned char type;
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};
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struct flash_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 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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struct flash_blk_dev {
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struct flash_blk_ops *blk_ops;
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struct list_head list;
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int devnum;
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unsigned int size;
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unsigned int 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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enum ENUM_PARTITION_TYPE {
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PART_VENDOR = 1 << 0,
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PART_IDBLOCK = 1 << 1,
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PART_KERNEL = 1 << 2,
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PART_BOOT = 1 << 3,
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PART_USER = 1 << 31
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};
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struct STRUCT_DATETIME {
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unsigned short year;
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unsigned char month;
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unsigned char day;
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unsigned char hour;
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unsigned char min;
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unsigned char sec;
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unsigned char reserve;
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};
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struct STRUCT_FW_HEADER {
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unsigned int ui_fw_tag; /* "RKFP" */
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struct STRUCT_DATETIME dt_release_data_time;
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unsigned int ui_fw_ver;
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unsigned int ui_size; /* size of sturct,unit of u8 */
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unsigned int ui_part_entry_offset; /* unit of sector */
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unsigned int ui_backup_part_entry_offset;
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unsigned int ui_part_entry_size; /* unit of u8 */
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unsigned int ui_part_entry_count;
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unsigned int ui_fw_size; /* unit of u8 */
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unsigned char reserved[464];
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unsigned int ui_part_entry_crc;
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unsigned int ui_header_crc;
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};
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struct STRUCT_PART_ENTRY {
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unsigned char sz_name[32];
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enum ENUM_PARTITION_TYPE em_part_type;
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unsigned int ui_pt_off; /* unit of sector */
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unsigned int ui_pt_sz; /* unit of sector */
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unsigned int ui_data_length; /* unit of u8 */
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unsigned int ui_part_property;
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unsigned char reserved[76];
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};
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struct STRUCT_PART_INFO {
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struct STRUCT_FW_HEADER hdr; /* 0.5KB */
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struct STRUCT_PART_ENTRY part[12]; /* 1.5KB */
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} __packed;
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/* Including Dev APIs */
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#ifdef CONFIG_RK_SFC_NAND_MTD
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int sfc_nand_mtd_init(struct SFNAND_DEV *p_dev, struct mutex *lock);
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#endif
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#ifdef CONFIG_RK_SFC_NOR_MTD
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int sfc_nor_mtd_init(struct SFNOR_DEV *p_dev, struct mutex *lock);
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#endif
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int rkflash_dev_suspend(void);
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int rkflash_dev_resume(void __iomem *reg_addr);
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void rkflash_dev_shutdown(void);
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void rkflash_dev_flush(void);
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int rkflash_dev_init(void __iomem *reg_addr,
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enum flash_type type,
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const struct flash_boot_ops *ops);
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int rkflash_dev_exit(void);
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int rkflash_vendor_read(u32 sec, u32 n_sec, void *p_data);
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int rkflash_vendor_write(u32 sec, u32 n_sec, void *p_data);
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#endif
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