xref: /OK3568_Linux_fs/kernel/include/misc/rk_scr_api.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Driver for Rockchip Smart Card Reader Controller
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright (C) 2012-2016 ROCKCHIP, Inc.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * This software is licensed under the terms of the GNU General Public
7*4882a593Smuzhiyun  * License version 2, as published by the Free Software Foundation, and
8*4882a593Smuzhiyun  * may be copied, distributed, and modified under those terms.
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  * This program is distributed in the hope that it will be useful,
11*4882a593Smuzhiyun  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12*4882a593Smuzhiyun  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13*4882a593Smuzhiyun  * GNU General Public License for more details.
14*4882a593Smuzhiyun  */
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #ifndef __RK_SCR_API_H__
17*4882a593Smuzhiyun #define __RK_SCR_API_H__
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun int scr_open(void);
20*4882a593Smuzhiyun int scr_close(void);
21*4882a593Smuzhiyun int scr_check_card_insert(void);
22*4882a593Smuzhiyun int scr_reset(void);
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun int scr_get_atr_data(unsigned char *atr_buf, unsigned char *atr_len);
25*4882a593Smuzhiyun ssize_t scr_write(unsigned char *buf, unsigned int write_cnt,
26*4882a593Smuzhiyun 		  unsigned int *to_read_cnt);
27*4882a593Smuzhiyun ssize_t scr_read(unsigned char *buf, unsigned int to_read_cnt,
28*4882a593Smuzhiyun 		 unsigned int *have_read_cnt);
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun void scr_set_etu_duration(unsigned int F, unsigned int D);
31*4882a593Smuzhiyun void scr_set_work_waitingtime(unsigned char wi);
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #endif	/* __RK_SCR_API_H__ */
34