1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (c) 2016, Fuzhou Rockchip Electronics Co., Ltd 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or modify 5*4882a593Smuzhiyun * it under the terms of the GNU General Public License as published by 6*4882a593Smuzhiyun * the Free Software Foundation; either version 2 of the License, or 7*4882a593Smuzhiyun * (at your option) any later version. 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef __RKNAND_BLK_H 11*4882a593Smuzhiyun #define __RKNAND_BLK_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/semaphore.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define MAX_PART_COUNT 32 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun struct nand_part { 18*4882a593Smuzhiyun unsigned char name[32]; 19*4882a593Smuzhiyun unsigned long offset; 20*4882a593Smuzhiyun unsigned long size; 21*4882a593Smuzhiyun unsigned char type; 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun struct nand_blk_dev { 25*4882a593Smuzhiyun struct nand_blk_ops *nand_ops; 26*4882a593Smuzhiyun struct list_head list; 27*4882a593Smuzhiyun int devnum; 28*4882a593Smuzhiyun unsigned long size; 29*4882a593Smuzhiyun unsigned long off_size; 30*4882a593Smuzhiyun int readonly; 31*4882a593Smuzhiyun int writeonly; 32*4882a593Smuzhiyun int disable_access; 33*4882a593Smuzhiyun void *blkcore_priv; 34*4882a593Smuzhiyun }; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun struct nand_blk_ops { 37*4882a593Smuzhiyun char *name; 38*4882a593Smuzhiyun int major; 39*4882a593Smuzhiyun int minorbits; 40*4882a593Smuzhiyun int last_dev_index; 41*4882a593Smuzhiyun struct completion thread_exit; 42*4882a593Smuzhiyun int quit; 43*4882a593Smuzhiyun int nand_th_quited; 44*4882a593Smuzhiyun wait_queue_head_t thread_wq; /* thread wait queue */ 45*4882a593Smuzhiyun struct request_queue *rq; 46*4882a593Smuzhiyun spinlock_t queue_lock; /* queue lock */ 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun /* block-mq */ 49*4882a593Smuzhiyun struct list_head rq_list; 50*4882a593Smuzhiyun struct blk_mq_tag_set *tag_set; 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun struct list_head devs; 53*4882a593Smuzhiyun struct module *owner; 54*4882a593Smuzhiyun }; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun extern struct device *g_nand_device; 57*4882a593Smuzhiyun void rknand_dev_suspend(void); 58*4882a593Smuzhiyun void rknand_dev_resume(void); 59*4882a593Smuzhiyun void rknand_dev_shutdown(void); 60*4882a593Smuzhiyun void rknand_dev_flush(void); 61*4882a593Smuzhiyun int __init rknand_dev_init(void); 62*4882a593Smuzhiyun int rknand_dev_exit(void); 63*4882a593Smuzhiyun void rknand_device_lock(void); 64*4882a593Smuzhiyun int rknand_device_trylock(void); 65*4882a593Smuzhiyun void rknand_device_unlock(void); 66*4882a593Smuzhiyun int nand_blk_add_whole_disk(void); 67*4882a593Smuzhiyun #endif 68