static int pmic_get_batt_current(unsigned short *curr)
{
t_channel channel;
unsigned short result[8];
channel = BATTERY_CURRENT;
CHECK_ERROR(pmic_adc_convert(channel, result));
*curr = result[0];
return 0;
}
static int pmic_get_batt_voltage(unsigned short *voltage)
{
t_channel channel;
unsigned short result[8];
channel = BATTERY_VOLTAGE;
CHECK_ERROR(pmic_adc_convert(channel, result));
*voltage = result[0];
return 0;
}
/*!
* This function is retrives the main battery voltage.
*
* @param b_voltage Output parameter for voltage setting.
*
* @return This function returns PMIC_SUCCESS if successful.
*/
PMIC_STATUS pmic_batt_get_batt_voltage(unsigned short *b_voltage)
{
t_channel channel;
unsigned short result[8];
if (suspend_flag == 1)
return PMIC_ERROR;
channel = BATTERY_VOLTAGE;
CHECK_ERROR(pmic_adc_convert(channel, result));
*b_voltage = result[0];
return PMIC_SUCCESS;
}
/*!
* This function is retrives the main battery charging current.
*
* @param c_current Output parameter for charging current setting.
*
* @return This function returns PMIC_SUCCESS if successful.
*/
PMIC_STATUS pmic_batt_get_charge_current(unsigned short *c_current)
{
t_channel channel;
unsigned short result[8];
if (suspend_flag == 1)
return PMIC_ERROR;
channel = CHARGE_CURRENT;
CHECK_ERROR(pmic_adc_convert(channel, result));
*c_current = result[0];
return PMIC_SUCCESS;
}
/*!
* This function is retrives the main battery temperature.
*
* @param b_temper Output parameter for temperature setting.
*
* @return This function returns PMIC_SUCCESS if successful.
*/
PMIC_STATUS pmic_batt_get_batt_temperature(unsigned short *b_temper)
{
t_channel channel;
unsigned short result[8];
if (suspend_flag == 1)
return PMIC_ERROR;
channel = GEN_PURPOSE_AD5;
CHECK_ERROR(pmic_adc_convert(channel, result));
*b_temper = result[0];
return PMIC_SUCCESS;
}
static int pmic_get_chg_value(unsigned int *value)
{
t_channel channel;
unsigned short result[8], max1 = 0, min1 = 0, max2 = 0, min2 = 0, i;
unsigned int average = 0, average1 = 0, average2 = 0;
channel = CHARGE_CURRENT;
CHECK_ERROR(pmic_adc_convert(channel, result));
for (i = 0; i < 8; i++) {
if ((result[i] & 0x200) != 0) {
result[i] = 0x400 - result[i];
average2 += result[i];
if ((max2 == 0) || (max2 < result[i]))
max2 = result[i];
if ((min2 == 0) || (min2 > result[i]))
min2 = result[i];
} else {
average1 += result[i];
if ((max1 == 0) || (max1 < result[i]))
max1 = result[i];
if ((min1 == 0) || (min1 > result[i]))
min1 = result[i];
}
}
if (max1 != 0) {
average1 -= max1;
if (max2 != 0)
average2 -= max2;
else
average1 -= min1;
} else
average2 -= max2 + min2;
if (average1 >= average2) {
average = (average1 - average2) / 6;
*value = average;
} else {
average = (average2 - average1) / 6;
*value = ((~average) + 1) & 0x3FF;
}
return 0;
}
/*
* get Battery/DCinput voltage from PMIC
* voltage [mV]
*/
static int pmic_get_voltage(t_channel channel, unsigned short *voltage, int *rawval,
int force)
{
unsigned short result[8];
struct _volt_input_value *info;
unsigned long dif, jif = jiffies;
int rc, volt, isBat = 0;
if ((channel == BATTERY_VOLTAGE) || (channel == GEN_PURPOSE_AD5)) {
/*
* Battery Voltage
*/
info = &(volt_input_value [0]);
channel = GEN_PURPOSE_AD5;
isBat = 1;
} else if (channel == GEN_PURPOSE_AD7) {
/*
* DCinput Voltage
*/
info = &(volt_input_value [1]);
} else if (channel == GEN_PURPOSE_AD2) {
/*
* BPSNS Voltage
*/
info = &(volt_input_value [2]);
isBat = 2;
} else {
return -1;
}
#if 1 /* add 090731 */
if (g_apm_spi_disable) {
if (channel == BATTERY_VOLTAGE || channel == GEN_PURPOSE_AD5) {
if (voltage != 0) {
*voltage = 8300;
}
if (rawval != 0) {
*rawval = 991;
}
return 0;
} else if (channel == GEN_PURPOSE_AD7) {
if (voltage != 0) {
*voltage = 11000;
}
if (rawval != 0) {
*rawval = 1020;
}
return 0;
} else if (channel == GEN_PURPOSE_AD2) {
if (voltage != 0) {
*voltage = 3450;
}
if (rawval != 0) {
*rawval = 735;
}
return 0;
} else {
return -1;
}
}
#endif
/*
* check measure timing
*/
if (force == 0) {
if (info->jif <= jif) {
dif = jif - info->jif;
} else {
dif = 0xffffffff - info->jif + jif;
}
if (dif < VOLT_MEASURE_INTERVAL) {
/*
* using already measure value
*/
if (voltage != 0) {
*voltage = info->volt;
}
if (rawval != 0) {
*rawval = info->raw;
}
return 0;
}
}
#ifdef ALWAY_REFON
rc = pmic_adc_convert(channel, result);
#else
gpio_refon(1); // select measurement
rc = pmic_adc_convert(channel, result);
gpio_refon(0); // release measurement
#endif /* ALWAY_REFON */
if (rc == 0) {
/*
* scale convert(mV)
*/
if (isBat == 1) {
/*
* Battery
*/
volt = (int)BATT_RAW_TO_VOLT(result[0]);
} else if (isBat == 2) {
/*
* BPSNS
* 4.80V - 1023
*/
volt = (int)(result[0] * 4800 / 1023);
} else {
/*
* DCinput
*/
volt = (int)(result[0] * 20398) / 0x3FF;
}
info->volt = volt;
info->raw = result[0];
info->jif = jif;
if (voltage != 0) {
*voltage = volt;
}
if (rawval != 0) {
*rawval = result[0];
}
}
return rc;
}