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/* Copyright 2018 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.
*/
/* Common code for VARIANT_OCTOPUS_EC_NPCX796FB configuration */
#include "charge_manager.h"
#include "chipset.h"
#include "config.h"
#include "gpio.h"
#include "i2c.h"
#include "power.h"
#include "pwm_chip.h"
#include "usb_pd.h"
#include "usbc_ppc.h"
#include "util.h"
#include "timer.h"
/******************************************************************************/
/* I2C port map configuration */
const struct i2c_port_t i2c_ports[] = {
{"battery", I2C_PORT_BATTERY, 100, GPIO_I2C0_SCL, GPIO_I2C0_SDA},
{"tcpc0", I2C_PORT_TCPC0, 100, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"tcpc1", I2C_PORT_TCPC1, 100, GPIO_I2C2_SCL, GPIO_I2C2_SDA},
{"eeprom", I2C_PORT_EEPROM, 100, GPIO_I2C3_SCL, GPIO_I2C3_SDA},
{"charger", I2C_PORT_CHARGER, 100, GPIO_I2C4_SCL, GPIO_I2C4_SDA},
{"sensor", I2C_PORT_SENSOR, 100, GPIO_I2C7_SCL, GPIO_I2C7_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/******************************************************************************/
/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
const struct pwm_t pwm_channels[] = {
[PWM_CH_KBLIGHT] = { .channel = 3, .flags = 0, .freq = 100 },
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/******************************************************************************/
/* Board power callback/hooks */
#define HIBERNATE_VBUS_LEVEL_MV 5000
void board_hibernate(void)
{
int port;
/*
* To support hibernate called from console commands, ectool commands
* and key sequence, shutdown the AP before hibernating.
*/
chipset_force_shutdown();
/*
* If we are charging, then drop the Vbus level down to 5V to ensure
* that we don't get locked out of the 6.8V OVLO for our PPCs in
* dead-battery mode. This is needed when the TCPC/PPC rails go away.
* (b/79218851)
*/
port = charge_manager_get_active_charge_port();
if (port != CHARGE_PORT_NONE)
pd_request_source_voltage(port, HIBERNATE_VBUS_LEVEL_MV);
/*
* Delay allows AP power state machine to settle down along
* with any PD contract renegotiation.
*/
msleep(100);
for (port = 0; port < CONFIG_USB_PD_PORT_COUNT; port++) {
/*
* If Vbus isn't already on this port, then open the SNK path
* to allow AC to pass through to the charger when connected.
* This is need if the TCPC/PPC rails do not go away.
* (b/79173959)
*/
if (!pd_is_vbus_present(port))
ppc_vbus_sink_enable(port, 1);
}
}
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