105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/*
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* Copyright (c) 2014, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __MSM_BCL_H
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#define __MSM_BCL_H
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#define BCL_NAME_MAX_LEN 20
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enum bcl_trip_type {
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BCL_HIGH_TRIP,
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BCL_LOW_TRIP,
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BCL_TRIP_MAX,
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};
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enum bcl_param {
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BCL_PARAM_VOLTAGE,
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BCL_PARAM_CURRENT,
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BCL_PARAM_MAX,
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};
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struct bcl_threshold {
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int trip_value;
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enum bcl_trip_type type;
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void *trip_data;
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void (*trip_notify) (enum bcl_trip_type, int, void *);
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};
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struct bcl_param_data;
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struct bcl_driver_ops {
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int (*read) (int *);
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int (*set_high_trip) (int);
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int (*get_high_trip) (int *);
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int (*set_low_trip) (int);
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int (*get_low_trip) (int *);
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int (*disable) (void);
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int (*enable) (void);
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int (*notify) (struct bcl_param_data *, int,
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enum bcl_trip_type);
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};
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struct bcl_param_data {
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char name[BCL_NAME_MAX_LEN];
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struct device device;
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struct bcl_driver_ops *ops;
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int high_trip;
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int low_trip;
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int last_read_val;
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bool registered;
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struct kobj_attribute val_attr;
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struct kobj_attribute high_trip_attr;
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struct kobj_attribute low_trip_attr;
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struct attribute_group bcl_attr_gp;
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struct bcl_threshold *thresh[BCL_TRIP_MAX];
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};
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#ifdef CONFIG_MSM_BCL_CTL
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struct bcl_param_data *msm_bcl_register_param(enum bcl_param,
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struct bcl_driver_ops *, char *);
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int msm_bcl_unregister_param(struct bcl_param_data *);
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int msm_bcl_enable(void);
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int msm_bcl_disable(void);
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int msm_bcl_set_threshold(enum bcl_param, enum bcl_trip_type,
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struct bcl_threshold *);
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int msm_bcl_read(enum bcl_param, int *);
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#else
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static inline struct bcl_param_data *msm_bcl_register_param(
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enum bcl_param param_type, struct bcl_driver_ops *ops, char *name)
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{
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return NULL;
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}
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static inline int msm_bcl_unregister_param(struct bcl_param_data *data)
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{
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return -ENOSYS;
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}
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static inline int msm_bcl_enable(void)
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{
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return -ENOSYS;
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}
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static inline int msm_bcl_disable(void)
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{
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return -ENOSYS;
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}
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static inline int msm_bcl_set_threshold(enum bcl_param param_type,
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enum bcl_trip_type type,
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struct bcl_threshold *inp_thresh)
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{
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return -ENOSYS;
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}
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static inline int msm_bcl_read(enum bcl_param param_type, int *vbat_value)
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{
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return -ENOSYS;
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}
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#endif
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#endif /*__MSM_BCL_H*/
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