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/*
* include/linux/nct1008.h
*
* NCT1008, temperature monitoring device from ON Semiconductors
*
* Copyright (c) 2010, NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _LINUX_NCT1008_H
#define _LINUX_NCT1008_H
#include <linux/types.h>
#include <mach/edp.h>
#define MAX_ZONES 16
struct nct1008_data;
enum nct1008_chip { NCT1008, NCT72 };
struct nct1008_platform_data {
bool supported_hwrev;
bool ext_range;
u8 conv_rate;
u8 offset;
u8 hysteresis;
s8 shutdown_ext_limit;
s8 shutdown_local_limit;
s8 throttling_ext_limit;
s8 thermal_zones[MAX_ZONES];
u8 thermal_zones_sz;
void (*alarm_fn)(bool raised);
void (*probe_callback)(struct nct1008_data *);
};
struct nct1008_data {
struct workqueue_struct *workqueue;
struct work_struct work;
struct i2c_client *client;
struct nct1008_platform_data plat_data;
struct mutex mutex;
struct dentry *dent;
u8 config;
s8 *limits;
u8 limits_sz;
enum nct1008_chip chip;
void (*alarm_fn)(bool raised);
struct regulator *nct_reg;
long current_lo_limit;
long current_hi_limit;
int conv_period_ms;
void (*alert_func)(void *);
void *alert_data;
};
#ifdef CONFIG_SENSORS_NCT1008
int nct1008_thermal_get_temp(struct nct1008_data *data, long *temp);
int nct1008_thermal_get_temp_low(struct nct1008_data *data, long *temp);
int nct1008_thermal_set_limits(struct nct1008_data *data,
long lo_limit_milli,
long hi_limit_milli);
int nct1008_thermal_set_alert(struct nct1008_data *data,
void (*alert_func)(void *),
void *alert_data);
int nct1008_thermal_set_shutdown_temp(struct nct1008_data *data,
long shutdown_temp);
#else
static inline int nct1008_thermal_get_temp(struct nct1008_data *data,
long *temp)
{ return -EINVAL; }
static inline int nct1008_thermal_get_temp_low(struct nct1008_data *data,
long *temp)
{ return -EINVAL; }
static inline int nct1008_thermal_set_limits(struct nct1008_data *data,
long lo_limit_milli,
long hi_limit_milli)
{ return -EINVAL; }
static inline int nct1008_thermal_set_alert(struct nct1008_data *data,
void (*alert_func)(void *),
void *alert_data)
{ return -EINVAL; }
static inline int nct1008_thermal_set_shutdown_temp(struct nct1008_data *data,
long shutdown_temp)
{ return -EINVAL; }
#endif
#endif /* _LINUX_NCT1008_H */
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