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/* Copyright 2021 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "battery.h"
#include "battery_fuel_gauge.h"
#include "battery_smart.h"
#include "charge_state.h"
#include "console.h"
#include "gpio.h"
#include "temp_sensor.h"
#include "util.h"
const struct board_batt_params board_battery_info[] = {
/* DynaPack CosMX Battery Information */
[BATTERY_DYNAPACK_COS] = {
.fuel_gauge = {
.manuf_name = "333-2C-DA-A",
.ship_mode = {
.reg_addr = 0x00,
.reg_data = { 0x0010, 0x0010 },
},
.fet = {
.mfgacc_support = 1,
.reg_addr = 0x0,
.reg_mask = 0x0006,
.disconnect_val = 0x0,
},
},
.batt_info = {
.voltage_max = 8800, /* mV */
.voltage_normal = 7700,
.voltage_min = 6000,
.precharge_current = 256, /* mA */
.start_charging_min_c = 0,
.start_charging_max_c = 45,
.charging_min_c = 0,
.charging_max_c = 45,
.discharging_min_c = -10,
.discharging_max_c = 60,
.vendor_param_start = 0x70,
},
},
/* DynaPack ATL Battery Information */
[BATTERY_DYNAPACK_ATL] = {
.fuel_gauge = {
.manuf_name = "333-27-DA-A",
.ship_mode = {
.reg_addr = 0x00,
.reg_data = { 0x0010, 0x0010 },
},
.fet = {
.mfgacc_support = 1,
.reg_addr = 0x0,
.reg_mask = 0x0006,
.disconnect_val = 0x0,
},
},
.batt_info = {
.voltage_max = 8800, /* mV */
.voltage_normal = 7700,
.voltage_min = 6000,
.precharge_current = 256, /* mA */
.start_charging_min_c = 0,
.start_charging_max_c = 45,
.charging_min_c = 0,
.charging_max_c = 45,
.discharging_min_c = -10,
.discharging_max_c = 60,
.vendor_param_start = 0x70,
},
},
/* Simplo CosMX Battery Information */
[BATTERY_SIMPLO_COS] = {
.fuel_gauge = {
.manuf_name = "333-1C-DA-A",
.ship_mode = {
.reg_addr = 0x00,
.reg_data = { 0x0010, 0x0010 },
},
.fet = {
.mfgacc_support = 1,
.reg_addr = 0x0,
.reg_mask = 0x0006,
.disconnect_val = 0x0,
},
},
.batt_info = {
.voltage_max = 8800, /* mV */
.voltage_normal = 7700,
.voltage_min = 6000,
.precharge_current = 256, /* mA */
.start_charging_min_c = 0,
.start_charging_max_c = 45,
.charging_min_c = 0,
.charging_max_c = 45,
.discharging_min_c = -10,
.discharging_max_c = 60,
.vendor_param_start = 0x70,
},
},
/* Simplo HIGHPOWER Battery Information */
[BATTERY_SIMPLO_HIGHPOWER] = {
.fuel_gauge = {
.manuf_name = "333-1D-DA-A",
.ship_mode = {
.reg_addr = 0x00,
.reg_data = { 0x0010, 0x0010 },
},
.fet = {
.mfgacc_support = 1,
.reg_addr = 0x0,
.reg_mask = 0x0006,
.disconnect_val = 0x0,
},
},
.batt_info = {
.voltage_max = 8800, /* mV */
.voltage_normal = 7700,
.voltage_min = 6000,
.precharge_current = 256, /* mA */
.start_charging_min_c = 0,
.start_charging_max_c = 45,
.charging_min_c = 0,
.charging_max_c = 45,
.discharging_min_c = -10,
.discharging_max_c = 60,
.vendor_param_start = 0x70,
},
},
/* CosMX B00C4473A9D0002 Battery Information */
[BATTERY_COS] = {
.fuel_gauge = {
.manuf_name = "333-AC-DA-A",
.ship_mode = {
.reg_addr = 0x00,
.reg_data = { 0x0010, 0x0010 },
},
.fet = {
.mfgacc_support = 1,
.reg_addr = 0x0,
.reg_mask = 0x0006,
.disconnect_val = 0x0,
},
},
.batt_info = {
.voltage_max = 8800, /* mV */
.voltage_normal = 7700,
.voltage_min = 6000,
.precharge_current = 256, /* mA */
.start_charging_min_c = 0,
.start_charging_max_c = 45,
.charging_min_c = 0,
.charging_max_c = 45,
.discharging_min_c = -10,
.discharging_max_c = 60,
.vendor_param_start = 0x70,
},
},
};
BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT);
const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_DYNAPACK_COS;
int charger_profile_override(struct charge_state_data *curr)
{
int chg_temp;
int prev_chg_lvl;
static int chg_lvl;
if (chipset_in_state(CHIPSET_STATE_ON)) {
temp_sensor_read(TEMP_SENSOR_CHARGER, &chg_temp);
chg_temp = K_TO_C(chg_temp);
prev_chg_lvl = chg_lvl;
if (chg_temp <= temp_chg_table[chg_lvl].lo_thre &&
chg_lvl > 0)
chg_lvl--;
else if (chg_temp >= temp_chg_table[chg_lvl].hi_thre &&
chg_lvl < CHG_LEVEL_COUNT - 1)
chg_lvl++;
curr->requested_current = MIN(curr->requested_current,
temp_chg_table[chg_lvl].chg_curr);
if(chg_lvl != prev_chg_lvl)
ccprints("Override chg curr to %dmA by chg LEVEL_%d",
curr->requested_current, chg_lvl);
}
return 0;
}
enum ec_status charger_profile_override_get_param(uint32_t param,
uint32_t *value)
{
return EC_RES_INVALID_PARAM;
}
enum ec_status charger_profile_override_set_param(uint32_t param,
uint32_t value)
{
return EC_RES_INVALID_PARAM;
}
enum battery_present batt_pres_prev = BP_NOT_SURE;
/*
* Physical detection of battery.
*/
static enum battery_present battery_check_present_status(void)
{
enum battery_present batt_pres = BP_NOT_SURE;
/* Get the physical hardware status */
batt_pres = battery_hw_present();
/*
* If the battery is not physically connected, then no need to perform
* any more checks.
*/
if (batt_pres == BP_NO)
return batt_pres;
/*
* If the battery is present now and was present last time we checked,
* return early.
*/
if (batt_pres == batt_pres_prev)
return batt_pres;
/*
* Check battery disconnect status. If we are unable to read battery
* disconnect status, then return BP_NOT_SURE. Battery could be in ship
* mode and might require pre-charge current to wake it up. BP_NO is not
* returned here because charger state machine will not provide
* pre-charge current assuming that battery is not present.
*/
if (battery_get_disconnect_state() == BATTERY_DISCONNECT_ERROR)
return BP_NOT_SURE;
/* Ensure the battery is not in cutoff state */
if (battery_is_cut_off() != BATTERY_CUTOFF_STATE_NORMAL)
return BP_NO;
return batt_pres;
}
enum battery_present battery_is_present(void)
{
batt_pres_prev = battery_check_present_status();
return batt_pres_prev;
}
enum battery_present battery_hw_present(void)
{
return gpio_get_level(GPIO_EC_BATT_PRES_ODL) ? BP_NO : BP_YES;
}
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