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
|
/*
* Copyright (c) 2015, The Linux Foundation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __QCOM_TSENS_H__
#define __QCOM_TSENS_H__
#define ONE_PT_CALIB 0x1
#define ONE_PT_CALIB2 0x2
#define TWO_PT_CALIB 0x3
struct tsens_device;
struct tsens_sensor {
struct tsens_device *tmdev;
struct thermal_zone_device *tzd;
int offset;
int id;
int hw_id;
u32 slope;
u32 status;
};
struct tsens_ops {
/* mandatory callbacks */
int (*init)(struct tsens_device *);
int (*calibrate)(struct tsens_device *);
int (*get_temp)(struct tsens_device *, int, int *);
/* optional callbacks */
int (*enable)(struct tsens_device *, int);
void (*disable)(struct tsens_device *);
int (*suspend)(struct tsens_device *);
int (*resume)(struct tsens_device *);
int (*get_trend)(struct tsens_device *, int, long *);
};
/* Registers to be saved/restored across a context loss */
struct tsens_context {
int threshold;
int control;
};
struct tsens_device {
struct device *dev;
u32 num_sensors;
struct regmap *map;
struct regmap_field *status_field;
struct tsens_context ctx;
bool trdy;
const struct tsens_ops *ops;
struct tsens_sensor sensor[0];
};
char *qfprom_read(struct device *, const char *);
void compute_intercept_slope(struct tsens_device *, u32 *, u32 *, u32);
int init_common(struct tsens_device *);
int get_temp_common(struct tsens_device *, int, int *);
extern const struct tsens_ops ops_8960, ops_8916, ops_8974;
#endif /* __QCOM_TSENS_H__ */
|
