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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/****************************************************************
*
* sn310m-touch.c : i2c Touchscreen driver (platform data struct)
*
* Copyright (c) 2013 SEMISENS Co.,Ltd
* http://www.semisens.com
*
****************************************************************/
#ifndef __SN310M_TOUCH_H
#define __SN310M_TOUCH_H
//----------------------------------------------
// register address for firmware update
//----------------------------------------------
#define REG_CMD_ISP_MODE 0x02F1 // 0x0200 : prepare eFlash, 0x0100 : finish eFalsh
#define REG_CMD_FLASH_BUS 0x04F1 // 0x0000 : set eFlash bus functions
#define REG_CMD_FLASH_ENABLE 0x08F1 // 0xFFFF : enable eFlash functions
#define REG_CMD_FLASH_AUTH 0x00F4 // 0x0100 : get eFlash approach authority
#define REG_CMD_FLASH_CON_EN 0x02F4 // 0x0000 : enable eFlash controller
#define REG_CMD_FLASH_COMMAND 0x04F4 // 0x0200 : erase eFlash, 0x0000 : write eFlash
#define REG_CMD_FLASH_BUSY 0x08F4 // [15] bit is busy flag for eflash eperating.
//----------------------------------------------
// register setting value for firmware update
//----------------------------------------------
#define REG_SET_PREPARE_FLASH_ACCESS 0x0200
#define REG_SET_FINISH_FLASH_ACCESS 0x0100
#define REG_SET_ENABLE_FLASH_ERASE 0x0200
#define REG_SET_ENABLE_FLASH_WRITE 0x0000
#define SN310M_MAX_FW_SIZE (10*1024) // 10 Kbytes
#define REG_FIRMWARE_VERSION (0x3EE0)
//----------------------------------------------
// Touch status & data register address
//----------------------------------------------
#define REG_TS_STATUS 0x00E0
typedef struct status_reg__t {
unsigned int ts_cnt :4; // lsb
unsigned int reserved1 :4;
unsigned int button :5;
unsigned int reserved2 :3; // msb
} __attribute__ ((packed)) status_reg_t;
typedef union status_reg__u {
unsigned short uint;
status_reg_t bits;
} __attribute__ ((packed)) status_reg_u;
#define REG_TS_DATA_BASE 0x02E0
#define REG_TS_DATA(x) (((x * 6) << 8) + REG_TS_DATA_BASE)
typedef struct data_reg__t {
unsigned short packet0;
unsigned short packet1;
unsigned short packet2;
} __attribute__ ((packed)) data_reg_t;
typedef union data_reg__u {
unsigned int uint;
data_reg_t bits;
} __attribute__ ((packed)) data_reg_u;
//----------------------------------------------
// i2c Control function
//----------------------------------------------
extern int sn310m_i2c_read(struct i2c_client *client, unsigned char *cmd, unsigned int cmd_len, unsigned char *data, unsigned int len);
extern int sn310m_i2c_write(struct i2c_client *client, unsigned char *cmd, unsigned int cmd_len, unsigned char *data, unsigned int len);
//----------------------------------------------
// Touch initialize & finalize function
//----------------------------------------------
extern int sn310m_input_open(struct input_dev *input);
extern void sn310m_enable(struct touch *ts);
extern void sn310m_disable(struct touch *ts);
extern int sn310m_early_probe(struct touch *ts);
extern int sn310m_probe(struct touch *ts);
//----------------------------------------------
// Calibration function
//----------------------------------------------
extern int sn310m_calibration(struct touch *ts);
//----------------------------------------------
// Touch data processing function
//----------------------------------------------
extern void sn310m_work(struct touch *ts);
//----------------------------------------------
// Firmware update Control function
//----------------------------------------------
extern int sn310m_flash_firmware(struct device *dev, const char *fw_name);
#endif // __SN310M_TOUCH_H
|
