1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
#include <mach/hardware.h>
#include <linux/i2c.h>
struct i2c_slave_dev {
unsigned short addr;
char * dev_name;
void (*callback)(void *data);
struct i2c_msg *msg;
};
struct wmt_i2cbusfifo {
struct i2c_msg *msg;
int msg_num;
struct list_head busfifohead;
int non_block;/*1:non-block, 0: block*/
int xfer_length;
int xfer_msgnum;
int restart;
void (*callback)(void *data);
void *data;
};
struct i2c_algo_wmt_data {
int (*write_msg)(unsigned int slave_addr, char *buf, unsigned int length , int restart, int last) ;
int (*read_msg)(unsigned int slave_addr, char *buf, unsigned int length , int restart, int last) ;
int (*send_request)(struct i2c_msg *msg, int msg_num, int non_block, void (*callbck)(void *data), void *data);
#ifdef CONFIG_SND_SOC_VT1603
int (*vt1603_write_for_read)(unsigned int slave_addr, char *buf, unsigned int length , int restart, int last);
#endif
int (*wait_bus_not_busy) (void);
void (*reset) (void);
void (*set_mode)(enum i2c_mode_e) ;
int udelay;
int timeout;
};
extern int wmt_i2c_transfer(struct i2c_msg* msgs, int msg_num, int bus_id, void (*callback)(void *data), void *data);
|
