static void battery_id_detection(struct battery_type *battery)
{
INT32 batt_id_index;
static int batt_id_stable_counter;
struct poweralg_type* poweralg_ptr = container_of(battery, struct poweralg_type, battery);
int r2_kOhm = 300;
if (poweralg_ptr->pdata && poweralg_ptr->pdata->r2_kohm)
r2_kOhm = poweralg_ptr->pdata->r2_kohm;
battery->id_ohm = ((1000000*r2_kOhm) / ((1000000*2047)/battery->id_adc - (1000000*1))) * 1000;
calibrate_id_ohm(battery);
batt_id_index = get_id_index(battery);
printk(DRIVER_ZONE "battery.id_ohm=%d, battery.id_index=%d, batt_id_index=%d, st_counter=%d\n",battery->id_ohm, battery->id_index, batt_id_index, batt_id_stable_counter);
if (is_allow_batt_id_change) {
if (batt_id_stable_counter >= 3 && batt_id_index != battery->id_index) {
batt_id_stable_counter = 0;
}
}
if (batt_id_stable_counter < 3) {
if (batt_id_stable_counter == 0) {
UINT32* fl_25;
battery->id_index = batt_id_index;
if (NULL != (fl_25 = poweralg_ptr->pdata->batt_param->fl_25))
battery->charge_full_design_mAh = fl_25[battery->id_index];
else
battery->charge_full_design_mAh = DS2746_FULL_CAPACITY_DEFAULT;
battery->charge_full_real_mAh = battery->charge_full_design_mAh;
batt_id_stable_counter = 1;
} else {
if (batt_id_index == battery->id_index)
batt_id_stable_counter++;
else
batt_id_stable_counter = 0;
}
}
}
static BOOL __battery_param_udpate(struct battery_type *battery)
{
static int batt_id_stable_counter = 0;
INT32 batt_id_index;
INT32 temp_01c;
if (support_ds2746_gauge_ic) {
/* adc register value are read from __ds2746_battery_adc_udpate()*/
if (!__ds2746_battery_adc_udpate(battery))
return FALSE;
}
else{
/* adc register value are read from BAHW_get_batt_info_all()
if ( !BAHW_get_batt_info_all(battery) ) return FALSE;*/
}
/*real physical value*/
battery->voltage_mV = (battery->voltage_adc * voltage_adc_to_mv_coef / voltage_adc_to_mv_resl);
battery->current_mA = (battery->current_adc * current_adc_to_mv_coef / current_adc_to_mv_resl);
battery->discharge_mA = (battery->discharge_adc * discharge_adc_to_mv_coef / discharge_adc_to_mv_resl);
battery->charge_counter_mAh = (battery->charge_counter_adc * acr_adc_to_mv_coef / acr_adc_to_mv_resl) - charge_counter_zero_base_mAh;
battery->current_mA = battery->current_mA - battery->discharge_mA;
/* prevent from adc out of range*/
if (battery->id_adc >= id_adc_resl) {
battery->id_adc = id_adc_resl - 1;
}
if (battery->id_adc <= 0) {
battery->id_adc = 1;
}
if (battery->temp_adc >= temp_adc_resl) {
battery->temp_adc = temp_adc_resl - 1;
}
if (battery->temp_adc <= 0) {
battery->temp_adc = 1;
}
/* battery ID shall be ready first for temp/kadc calculation*/
// if ( id_conversion ) battery->id_ohm = ((float)id_R_kohm / ((float)id_adc_resl/battery->id_adc - 1)) * 1000; // kohm -> ohm
// else battery->id_ohm = battery->id_adc;
battery->id_ohm = battery->id_adc;
calibrate_id_ohm(battery);
batt_id_index = get_id_index(battery);
if (is_allow_batt_id_change) {
/*! TODO: batt_id changes immediately; may need to modify in future*/
if (batt_id_stable_counter >= 3 && batt_id_index != battery->id_index){
/* if batt_id is stable but is different from previous one*/
batt_id_stable_counter = 0; /* reset stable counter and set batt_id to new one*/
}
}
if (batt_id_stable_counter < 3) {
if (batt_id_stable_counter == 0) {
/* first time to get the batt id*/
battery->id_index = batt_id_index;
battery->charge_full_design_mAh = FL_25[battery->id_index];
battery->charge_full_real_mAh = battery->charge_full_design_mAh;
batt_id_stable_counter = 1;
}
else{
/* 2nd and further time to get the batt id*/
if (batt_id_index == battery->id_index)
batt_id_stable_counter++;
else
batt_id_stable_counter = 0;
}
}
/* calculate temperature*/
// battery->temp_01c = get_temp_c((float)temp_R_kohm / ((float)temp_adc_resl/battery->temp_adc - 1))*10;
temp_01c = get_temp_01c(battery);
if (temp_01c >= TEMP_MIN*10)
battery->temp_01c = temp_01c;
else
printk(DRIVER_ZONE " get temp_01c(%d) failed...\n", temp_01c);
battery->temp_index = get_temp_index(battery);
/* calculate KADC and RARC*/
battery->KADC_01p = CEILING(get_kadc_001p(battery), 10);
battery->RARC_01p = CEILING(10000 * battery->charge_counter_mAh / battery->charge_full_real_mAh, 10);
if (!support_ds2746_gauge_ic) {
__software_acr_update(battery);
}
if (battery->voltage_mV <BATTERY_VOLTAGE_MIN ||
battery->voltage_mV> BATTERY_VOLTAGE_MAX) {
printk(DRIVER_ZONE " invalid V(%d).\n", battery->voltage_mV);
return FALSE;
}
/*! star_lee 20100426 - minimum RARC is 0%*/
if (battery->RARC_01p <= 0) {
battery->RARC_01p = 0;
}
printk(DRIVER_ZONE " V=%d(%x) I=%d(%x) C=%d.%d/%d(%x) id=%d(%x) T=%d(%x) KADC=%d\n",
battery->voltage_mV,
battery->voltage_adc,
battery->current_mA,
battery->current_adc,
battery->charge_counter_mAh,
battery->software_charge_counter_mAms,
battery->charge_full_real_mAh,
battery->charge_counter_adc,
battery->id_index,
battery->id_adc,
battery->temp_01c,
battery->temp_adc,
battery->KADC_01p);
return TRUE;
}
static void battery_id_detection(struct battery_type *battery)
{
INT32 batt_id_index;
/*static int batt_id_stable_counter;*/
static int batt_id_unknown_stable_count = -1;
struct poweralg_type* poweralg_ptr = container_of(battery, struct poweralg_type, battery);
int r2_kOhm = 300;
if (poweralg_ptr->pdata && poweralg_ptr->pdata->r2_kohm)
r2_kOhm = poweralg_ptr->pdata->r2_kohm;
battery->id_ohm = ((1000000*r2_kOhm) / ((1000000*2047)/battery->id_adc - (1000000*1))) * 1000;
calibrate_id_ohm(battery);
batt_id_index = get_id_index(battery);
printk(DRIVER_ZONE "battery.id_ohm=%d, battery.id_index=%d, batt_id_index=%d, st_counter=%d\n",battery->id_ohm, battery->id_index, batt_id_index, batt_id_unknown_stable_count);
if (-1 == batt_id_unknown_stable_count) {
/* initial state, no matter what id we detected must set */
battery_set_batt_id_param(battery, poweralg_ptr, batt_id_index);
batt_id_unknown_stable_count = 0;
}
else if ((batt_id_index != battery->id_index) && is_allow_batt_id_change) {
if ((BATTERY_ID_UNKNOWN == batt_id_index) && (batt_id_unknown_stable_count < 2)) {
batt_id_unknown_stable_count++;
// do not switch to BATTERY_UNKNOWN state before it stable
return;
}
battery_set_batt_id_param(battery, poweralg_ptr, batt_id_index);
batt_id_unknown_stable_count = 0;
}
else {
batt_id_unknown_stable_count = 0;
}
#if 0
if (is_allow_batt_id_change) {
/*! TODO: batt_id changes immediately; may need to modify in future*/
if (batt_id_stable_counter >= 3 && batt_id_index != battery->id_index) {
/* if batt_id is stable but is different from previous one*/
batt_id_stable_counter = 0; /* reset stable counter and set batt_id to new one*/
}
}
if (batt_id_stable_counter < 3) {
if (batt_id_stable_counter == 0) {
UINT32* fl_25;
/* first time to get the batt id*/
battery->id_index = batt_id_index;
if (NULL != (fl_25 = poweralg_ptr->pdata->batt_param->fl_25))
battery->charge_full_design_mAh = fl_25[battery->id_index];
else
battery->charge_full_design_mAh = DS2746_FULL_CAPACITY_DEFAULT;
battery->charge_full_real_mAh = battery->charge_full_design_mAh;
if (NULL != poweralg_ptr->pdata->batt_param->m_param_tbl) {
battery->dead_voltage_mV = get_dead_battery_voltage(
poweralg_ptr->pdata->batt_param->m_param_tbl, batt_id_index);
}
else
battery->dead_voltage_mV = BATTERY_DEAD_VOLTAGE_DEFAULT;
printk(DRIVER_ZONE " assign dead battery voltage = %d.\n",battery->dead_voltage_mV);
batt_id_stable_counter = 1;
} else {
/* 2nd and further time to get the batt id*/
if (batt_id_index == battery->id_index)
batt_id_stable_counter++;
else
batt_id_stable_counter = 0;
}
}
#endif
}
