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/* Copyright (c) 2013-2014, 2016 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.
*/
#include <linux/of.h>
#include <linux/batterydata-lib.h>
#ifdef CONFIG_OF_BATTERYDATA
/**
* of_batterydata_read_data() - Populate battery data from the device tree
* @container_node: pointer to the battery-data container device node
* containing the profile nodes.
* @batt_data: pointer to an allocated bms_battery_data structure that the
* loaded profile will be written to.
* @batt_id_uv: ADC voltage of the battery id line used to differentiate
* between different battery profiles. If there are multiple
* battery data in the device tree, the one with the closest
* battery id resistance will be automatically loaded.
*
* This routine loads the closest match battery data from device tree based on
* the battery id reading. Then, it will try to load all the relevant data from
* the device tree battery data profile.
*
* If any of the lookup table pointers are NULL, this routine will skip trying
* to read them.
*/
int of_batterydata_read_data(struct device_node *container_node,
struct bms_battery_data *batt_data,
int batt_id_uv);
/**
* of_batterydata_get_best_profile() - Find matching battery data device node
* @batterydata_container_node: pointer to the battery-data container device
* node containing the profile nodes.
* @batt_id_kohm: Battery ID in KOhms for which we want to find the profile.
* @batt_type: Battery type which we want to force load the profile.
*
* This routine returns a device_node pointer to the closest match battery data
* from device tree based on the battery id reading.
*/
struct device_node *of_batterydata_get_best_profile(
struct device_node *batterydata_container_node,
int batt_id_kohm, const char *batt_type);
#else
static inline int of_batterydata_read_data(struct device_node *container_node,
struct bms_battery_data *batt_data,
int batt_id_uv)
{
return -ENXIO;
}
static inline struct device_node *of_batterydata_get_best_profile(
struct device_node *batterydata_container_node,
int batt_id_kohm, const char *batt_type)
{
return -ENXIO;
}
#endif /* CONFIG_OF_QPNP */
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