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/*
* sec_adc.c
* Samsung Mobile Battery Driver
*
* Copyright (C) 2012 Samsung Electronics
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/battery/sec_adc.h>
#include <soc/sprd/adc.h>
#define ADC_CHANNEL_TEMP 1
static struct iio_channel *temp_adc;
static void sec_bat_adc_ap_init(struct platform_device *pdev)
{
/*
temp_adc = iio_channel_get_all(&pdev->dev);
*/
return true;
}
static int sec_bat_adc_ap_read(int channel)
{
int data;
int ret = 0;
data = sci_adc_get_value(ADC_CHANNEL_TEMP, false);
pr_info("read channel [%d]\n", data);
/*
int data = -1;
int ret = 0;
switch (channel)
{
case SEC_BAT_ADC_CHANNEL_CABLE_CHECK:
case SEC_BAT_ADC_CHANNEL_BAT_CHECK:
break;
case SEC_BAT_ADC_CHANNEL_TEMP:
case SEC_BAT_ADC_CHANNEL_TEMP_AMBIENT:
data = sci_adc_get_value(ADC_CHANNEL_1,0);
if (ret < 0)
pr_info("read channel error[%d]\n", ret);
else
pr_debug("TEMP ADC(%d)\n", data);
break;
case SEC_BAT_ADC_CHANNEL_FULL_CHECK:
case SEC_BAT_ADC_CHANNEL_VOLTAGE_NOW:
case SEC_BAT_ADC_CHANNEL_NUM:
break;
default:
break;
}
*/
return data;
}
static void sec_bat_adc_ap_exit(void)
{
/*
iio_channel_release(temp_adc);
*/
return true;
}
static void sec_bat_adc_none_init(struct platform_device *pdev)
{
}
static int sec_bat_adc_none_read(int channel)
{
return 0;
}
static void sec_bat_adc_none_exit(void)
{
}
static void sec_bat_adc_ic_init(struct platform_device *pdev)
{
}
static int sec_bat_adc_ic_read(int channel)
{
return 0;
}
static void sec_bat_adc_ic_exit(void)
{
}
static int adc_read_type(struct sec_battery_info *battery, int channel)
{
int adc = 0;
switch (battery->pdata->temp_adc_type)
{
case SEC_BATTERY_ADC_TYPE_NONE :
adc = sec_bat_adc_none_read(channel);
break;
case SEC_BATTERY_ADC_TYPE_AP :
adc = sec_bat_adc_ap_read(channel);
break;
case SEC_BATTERY_ADC_TYPE_IC :
adc = sec_bat_adc_ic_read(channel);
break;
case SEC_BATTERY_ADC_TYPE_NUM :
break;
default :
break;
}
return adc;
}
static void adc_init_type(struct platform_device *pdev,
struct sec_battery_info *battery)
{
switch (battery->pdata->temp_adc_type)
{
case SEC_BATTERY_ADC_TYPE_NONE :
sec_bat_adc_none_init(pdev);
break;
case SEC_BATTERY_ADC_TYPE_AP :
sec_bat_adc_ap_init(pdev);
break;
case SEC_BATTERY_ADC_TYPE_IC :
sec_bat_adc_ic_init(pdev);
break;
case SEC_BATTERY_ADC_TYPE_NUM :
break;
default :
break;
}
}
static void adc_exit_type(struct sec_battery_info *battery)
{
switch (battery->pdata->temp_adc_type)
{
case SEC_BATTERY_ADC_TYPE_NONE :
sec_bat_adc_none_exit();
break;
case SEC_BATTERY_ADC_TYPE_AP :
sec_bat_adc_ap_exit();
break;
case SEC_BATTERY_ADC_TYPE_IC :
sec_bat_adc_ic_exit();
break;
case SEC_BATTERY_ADC_TYPE_NUM :
break;
default :
break;
}
}
int adc_read(struct sec_battery_info *battery, int channel)
{
int adc = 0;
adc = adc_read_type(battery, channel);
dev_dbg(battery->dev, "[%s]adc = %d\n", __func__, adc);
return adc;
}
void adc_init(struct platform_device *pdev, struct sec_battery_info *battery)
{
adc_init_type(pdev, battery);
}
void adc_exit(struct sec_battery_info *battery)
{
adc_exit_type(battery);
}
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