linux/drivers/hwmon/abx500.h
Thomas Gleixner 0376148f30 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 197
Based on 1 normalized pattern(s):

  license terms gnu general public license v2

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 37 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170027.724130665@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:22 -07:00

70 lines
2.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) ST-Ericsson 2010 - 2013
* 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 */