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10bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang/*
20bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * Copyright (C) ST-Ericsson 2010 - 2013
30bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * License terms: GNU General Public License v2
40bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * Author: Martin Persson <martin.persson@stericsson.com>
50bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang *         Hongbo Zhang <hongbo.zhang@linaro.com>
60bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang */
70bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang
80bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang#ifndef _ABX500_H
90bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang#define _ABX500_H
100bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang
110bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang#define NUM_SENSORS 5
120bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang
130bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhangstruct abx500_temp;
140bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang
150bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang/*
160bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * struct abx500_temp_ops - abx500 chip specific ops
170bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @read_sensor: reads gpadc output
180bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @irq_handler: irq handler
190bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @show_name: hwmon device name
200bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @show_label: hwmon attribute label
210bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @is_visible: is attribute visible
220bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang */
230bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhangstruct abx500_temp_ops {
240bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	int (*read_sensor)(struct abx500_temp *, u8, int *);
250bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	int (*irq_handler)(int, struct abx500_temp *);
260bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	ssize_t (*show_name)(struct device *,
270bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang			struct device_attribute *, char *);
280bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	ssize_t (*show_label) (struct device *,
290bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang			struct device_attribute *, char *);
300bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	int (*is_visible)(struct attribute *, int);
310bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang};
320bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang
330bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang/*
340bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * struct abx500_temp - representation of temp mon device
350bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @pdev: platform device
360bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @hwmon_dev: hwmon device
370bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @ops: abx500 chip specific ops
380bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @gpadc_addr: gpadc channel address
390bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @min: sensor temperature min value
400bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @max: sensor temperature max value
410bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @max_hyst: sensor temperature hysteresis value for max limit
420bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @min_alarm: sensor temperature min alarm
430bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @max_alarm: sensor temperature max alarm
440bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @work: delayed work scheduled to monitor temperature periodically
450bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @work_active: True if work is active
460bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @lock: mutex
470bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @monitored_sensors: number of monitored sensors
480bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang * @plat_data: private usage, usually points to platform specific data
490bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang */
500bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhangstruct abx500_temp {
510bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	struct platform_device *pdev;
520bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	struct device *hwmon_dev;
530bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	struct abx500_temp_ops ops;
540bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	u8 gpadc_addr[NUM_SENSORS];
550bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	unsigned long min[NUM_SENSORS];
560bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	unsigned long max[NUM_SENSORS];
570bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	unsigned long max_hyst[NUM_SENSORS];
580bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	bool min_alarm[NUM_SENSORS];
590bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	bool max_alarm[NUM_SENSORS];
600bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	struct delayed_work work;
610bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	bool work_active;
620bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	struct mutex lock;
630bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	int monitored_sensors;
640bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang	void *plat_data;
650bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang};
660bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang
670bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhangint abx500_hwmon_init(struct abx500_temp *data);
680bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang
690bbb06ed564d211d10eae12bdb423fce6178468fHongbo Zhang#endif /* _ABX500_H */
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