| Hongbo Zhang | 0bbb06e | 2013-04-03 20:18:12 +0800 | [diff] [blame] | 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 */ |