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/*
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*/
#ifndef __MSM_BCL_H
#define __MSM_BCL_H
#define BCL_NAME_MAX_LEN 20
enum bcl_trip_type {
BCL_HIGH_TRIP,
BCL_LOW_TRIP,
BCL_TRIP_MAX,
};
enum bcl_param {
BCL_PARAM_VOLTAGE,
BCL_PARAM_CURRENT,
BCL_PARAM_MAX,
};
struct bcl_threshold {
int trip_value;
enum bcl_trip_type type;
void *trip_data;
void (*trip_notify) (enum bcl_trip_type, int, void *);
};
struct bcl_param_data;
struct bcl_driver_ops {
int (*read) (int *);
int (*set_high_trip) (int);
int (*get_high_trip) (int *);
int (*set_low_trip) (int);
int (*get_low_trip) (int *);
int (*disable) (void);
int (*enable) (void);
int (*notify) (struct bcl_param_data *, int,
enum bcl_trip_type);
};
struct bcl_param_data {
char name[BCL_NAME_MAX_LEN];
struct device device;
struct bcl_driver_ops *ops;
int high_trip;
int low_trip;
int last_read_val;
bool registered;
struct kobj_attribute val_attr;
struct kobj_attribute high_trip_attr;
struct kobj_attribute low_trip_attr;
struct attribute_group bcl_attr_gp;
struct bcl_threshold *thresh[BCL_TRIP_MAX];
};
#ifdef CONFIG_MSM_BCL_CTL
struct bcl_param_data *msm_bcl_register_param(enum bcl_param,
struct bcl_driver_ops *, char *);
int msm_bcl_unregister_param(struct bcl_param_data *);
int msm_bcl_enable(void);
int msm_bcl_disable(void);
int msm_bcl_set_threshold(enum bcl_param, enum bcl_trip_type,
struct bcl_threshold *);
int msm_bcl_read(enum bcl_param, int *);
#else
static inline struct bcl_param_data *msm_bcl_register_param(
enum bcl_param param_type, struct bcl_driver_ops *ops, char *name)
{
return NULL;
}
static inline int msm_bcl_unregister_param(struct bcl_param_data *data)
{
return -ENOSYS;
}
static inline int msm_bcl_enable(void)
{
return -ENOSYS;
}
static inline int msm_bcl_disable(void)
{
return -ENOSYS;
}
static inline int msm_bcl_set_threshold(enum bcl_param param_type,
enum bcl_trip_type type,
struct bcl_threshold *inp_thresh)
{
return -ENOSYS;
}
static inline int msm_bcl_read(enum bcl_param param_type, int *vbat_value)
{
return -ENOSYS;
}
#endif
#endif /*__MSM_BCL_H*/
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