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drivers/hwmon/abx500.h
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/*
* Copyright (C) ST-Ericsson 2010 - 2013
* License terms: GNU General Public License v2
* Author: Martin Persson <martin.persson@stericsson.com>
* Hongbo Zhang <hongbo.zhang@linaro.com>
*/
#ifndef _ABX500_H
#define _ABX500_H
#define NUM_SENSORS 5
struct abx500_temp;
/*
* struct abx500_temp_ops - abx500 chip specific ops
* @read_sensor: reads gpadc output
* @irq_handler: irq handler
* @show_name: hwmon device name
* @show_label: hwmon attribute label
* @is_visible: is attribute visible
*/
struct abx500_temp_ops {
int (*read_sensor)(struct abx500_temp *, u8, int *);
int (*irq_handler)(int, struct abx500_temp *);
ssize_t (*show_name)(struct device *,
struct device_attribute *, char *);
ssize_t (*show_label) (struct device *,
struct device_attribute *, char *);
int (*is_visible)(struct attribute *, int);
};
/*
* struct abx500_temp - representation of temp mon device
* @pdev: platform device
* @hwmon_dev: hwmon device
* @ops: abx500 chip specific ops
* @gpadc_addr: gpadc channel address
* @min: sensor temperature min value
* @max: sensor temperature max value
* @max_hyst: sensor temperature hysteresis value for max limit
* @min_alarm: sensor temperature min alarm
* @max_alarm: sensor temperature max alarm
* @work: delayed work scheduled to monitor temperature periodically
* @work_active: True if work is active
* @lock: mutex
* @monitored_sensors: number of monitored sensors
* @plat_data: private usage, usually points to platform specific data
*/
struct abx500_temp {
struct platform_device *pdev;
struct device *hwmon_dev;
struct abx500_temp_ops ops;
u8 gpadc_addr[NUM_SENSORS];
unsigned long min[NUM_SENSORS];
unsigned long max[NUM_SENSORS];
unsigned long max_hyst[NUM_SENSORS];
bool min_alarm[NUM_SENSORS];
bool max_alarm[NUM_SENSORS];
struct delayed_work work;
bool work_active;
struct mutex lock;
int monitored_sensors;
void *plat_data;
};
int abx500_hwmon_init(struct abx500_temp *data);
#endif /* _ABX500_H */
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