blob: 7942804464d3efa1f626ec562a0887872f7b0862 (
plain)
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
|
#ifndef _PIXCIR_I2C_TS_H
#define _PIXCIR_I2C_TS_H
/*
* Register map
*/
#define PIXCIR_REG_POWER_MODE 51
#define PIXCIR_REG_INT_MODE 52
/*
* Power modes:
* active: max scan speed
* idle: lower scan speed with automatic transition to active on touch
* halt: datasheet says sleep but this is more like halt as the chip
* clocks are cut and it can only be brought out of this mode
* using the RESET pin.
*/
enum pixcir_power_mode {
PIXCIR_POWER_ACTIVE,
PIXCIR_POWER_IDLE,
PIXCIR_POWER_HALT,
};
#define PIXCIR_POWER_MODE_MASK 0x03
#define PIXCIR_POWER_ALLOW_IDLE (1UL << 2)
/*
* Interrupt modes:
* periodical: interrupt is asserted periodicaly
* diff coordinates: interrupt is asserted when coordinates change
* level on touch: interrupt level asserted during touch
* pulse on touch: interrupt pulse asserted druing touch
*
*/
enum pixcir_int_mode {
PIXCIR_INT_PERIODICAL,
PIXCIR_INT_DIFF_COORD,
PIXCIR_INT_LEVEL_TOUCH,
PIXCIR_INT_PULSE_TOUCH,
};
#define PIXCIR_INT_MODE_MASK 0x03
#define PIXCIR_INT_ENABLE (1UL << 3)
#define PIXCIR_INT_POL_HIGH (1UL << 2)
struct pixcir_ts_platform_data {
int (*attb_read_val)(void);
int x_max;
int y_max;
};
#endif
|
