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/* Copyright 2017 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.
*/
/* Board-specific charge ramp callbacks. */
#include "common.h"
#include "bd9995x.h"
#include "charge_manager.h"
#include "charge_ramp.h"
#include "charge_state.h"
#include "system.h"
/**
* Return true if ramping is allowed for given supplier
*/
int board_is_ramp_allowed(int supplier)
{
/* Don't allow ramping in RO when write protected */
if (!system_is_in_rw() && system_is_locked())
return 0;
else
return supplier == CHARGE_SUPPLIER_BC12_DCP ||
supplier == CHARGE_SUPPLIER_BC12_SDP ||
supplier == CHARGE_SUPPLIER_BC12_CDP ||
supplier == CHARGE_SUPPLIER_PROPRIETARY;
}
/**
* Return true if VBUS is sagging too low
*/
int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state)
{
return charger_get_vbus_voltage(port) < BD9995X_BC12_MIN_VOLTAGE;
}
/**
* Return the maximum allowed input current
*/
int board_get_ramp_current_limit(int supplier, int sup_curr)
{
return bd9995x_get_bc12_ilim(supplier);
}
/**
* Return if board is consuming full amount of input current
*/
int board_is_consuming_full_charge(void)
{
int chg_pct = charge_get_percent();
return chg_pct > 2 && chg_pct < 95;
}
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