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1 /*
2  * Copyright (C) 2022 HiSilicon (Shanghai) Technologies CO., LIMITED.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
17  */
18 #ifndef __DRV_I2C_IOCTL_H__
19 #define __DRV_I2C_IOCTL_H__
20 
21 #include "drv_i2c_struct.h"
22 
23 typedef struct {
24     hi_u32 i2c_num;
25     hi_u8 i2c_dev_addr;
26     hi_u32 i2c_reg_addr;
27     hi_u32 i2c_reg_count;
28     hi_u64 p_data;
29     hi_u32 data_len;
30 } i2c_data;
31 
32 typedef struct {
33     hi_u32 i2c_num;
34     hi_u32 i2c_rate;
35 } i2c_rate;
36 
37 typedef struct {
38     hi_u32 i2c_num;
39     hi_u32 scl_gpio_no;
40     hi_u32 sda_gpio_no;
41     hi_bool b_used;
42     hi_u32 count;
43 } i2c_gpio;
44 
45 /* Ioctl definitions */
46 #define CMD_I2C_READ _IOW(HI_ID_I2C, 0x1, i2c_data) // 1:check keyup
47 #define CMD_I2C_WRITE _IOW(HI_ID_I2C, 0x2, i2c_data) // 1:check repkey, 0:hardware behave
48 #define CMD_I2C_SET_RATE _IOW(HI_ID_I2C, 0x3, i2c_rate)
49 #define CMD_I2C_CONFIG _IOWR(HI_ID_I2C, 0x4, i2c_gpio) // config  gpioi2c
50 #define CMD_I2C_DESTROY _IOW(HI_ID_I2C, 0x5, i2c_gpio)      // destroy gpioi2c
51 #define CMD_I2C_READ_DIRECT _IOW(HI_ID_I2C, 0x6, i2c_data)
52 
53 #endif /* End of #ifndef __DRV_I2C_IOCTL_H__ */
54