diff options
Diffstat (limited to 'drivers/hwmon/abx500.h')
-rw-r--r-- | drivers/hwmon/abx500.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/hwmon/abx500.h b/drivers/hwmon/abx500.h new file mode 100644 index 000000000000..9b295e684d0e --- /dev/null +++ b/drivers/hwmon/abx500.h | |||
@@ -0,0 +1,69 @@ | |||
1 | /* | ||
2 | * Copyright (C) ST-Ericsson 2010 - 2013 | ||
3 | * License terms: GNU General Public License v2 | ||
4 | * Author: Martin Persson <martin.persson@stericsson.com> | ||
5 | * Hongbo Zhang <hongbo.zhang@linaro.com> | ||
6 | */ | ||
7 | |||
8 | #ifndef _ABX500_H | ||
9 | #define _ABX500_H | ||
10 | |||
11 | #define NUM_SENSORS 5 | ||
12 | |||
13 | struct abx500_temp; | ||
14 | |||
15 | /* | ||
16 | * struct abx500_temp_ops - abx500 chip specific ops | ||
17 | * @read_sensor: reads gpadc output | ||
18 | * @irq_handler: irq handler | ||
19 | * @show_name: hwmon device name | ||
20 | * @show_label: hwmon attribute label | ||
21 | * @is_visible: is attribute visible | ||
22 | */ | ||
23 | struct abx500_temp_ops { | ||
24 | int (*read_sensor)(struct abx500_temp *, u8, int *); | ||
25 | int (*irq_handler)(int, struct abx500_temp *); | ||
26 | ssize_t (*show_name)(struct device *, | ||
27 | struct device_attribute *, char *); | ||
28 | ssize_t (*show_label) (struct device *, | ||
29 | struct device_attribute *, char *); | ||
30 | int (*is_visible)(struct attribute *, int); | ||
31 | }; | ||
32 | |||
33 | /* | ||
34 | * struct abx500_temp - representation of temp mon device | ||
35 | * @pdev: platform device | ||
36 | * @hwmon_dev: hwmon device | ||
37 | * @ops: abx500 chip specific ops | ||
38 | * @gpadc_addr: gpadc channel address | ||
39 | * @min: sensor temperature min value | ||
40 | * @max: sensor temperature max value | ||
41 | * @max_hyst: sensor temperature hysteresis value for max limit | ||
42 | * @min_alarm: sensor temperature min alarm | ||
43 | * @max_alarm: sensor temperature max alarm | ||
44 | * @work: delayed work scheduled to monitor temperature periodically | ||
45 | * @work_active: True if work is active | ||
46 | * @lock: mutex | ||
47 | * @monitored_sensors: number of monitored sensors | ||
48 | * @plat_data: private usage, usually points to platform specific data | ||
49 | */ | ||
50 | struct abx500_temp { | ||
51 | struct platform_device *pdev; | ||
52 | struct device *hwmon_dev; | ||
53 | struct abx500_temp_ops ops; | ||
54 | u8 gpadc_addr[NUM_SENSORS]; | ||
55 | unsigned long min[NUM_SENSORS]; | ||
56 | unsigned long max[NUM_SENSORS]; | ||
57 | unsigned long max_hyst[NUM_SENSORS]; | ||
58 | bool min_alarm[NUM_SENSORS]; | ||
59 | bool max_alarm[NUM_SENSORS]; | ||
60 | struct delayed_work work; | ||
61 | bool work_active; | ||
62 | struct mutex lock; | ||
63 | int monitored_sensors; | ||
64 | void *plat_data; | ||
65 | }; | ||
66 | |||
67 | int abx500_hwmon_init(struct abx500_temp *data); | ||
68 | |||
69 | #endif /* _ABX500_H */ | ||