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/* Copyright (c) 2014 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.
*/
/* ryu board configuration */
#include "adc.h"
#include "adc_chip.h"
#include "battery.h"
#include "case_closed_debug.h"
#include "charger.h"
#include "common.h"
#include "console.h"
#include "ec_version.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "i2c.h"
#include "inductive_charging.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "registers.h"
#include "task.h"
#include "usb.h"
#include "usb_pd.h"
#include "usb_pd_config.h"
#include "usb-stm32f3.h"
#include "util.h"
#include "pi3usb9281.h"
void vbus_evt(enum gpio_signal signal)
{
ccprintf("VBUS %d, %d!\n", signal, gpio_get_level(signal));
task_wake(TASK_ID_PD);
}
void unhandled_evt(enum gpio_signal signal)
{
ccprintf("Unhandled INT %d,%d!\n", signal, gpio_get_level(signal));
}
#include "gpio_list.h"
const void *const usb_strings[] = {
[USB_STR_DESC] = usb_string_desc,
[USB_STR_VENDOR] = USB_STRING_DESC("Google Inc."),
[USB_STR_PRODUCT] = USB_STRING_DESC("Ryu - Raiden debug"),
[USB_STR_VERSION] = USB_STRING_DESC(CROS_EC_VERSION32),
};
BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT);
/* Initialize board. */
static void board_init(void)
{
/*
* Determine recovery mode is requested by the power, volup, and
* voldown buttons being pressed.
*/
if (power_button_signal_asserted() &&
!gpio_get_level(GPIO_BTN_VOLD_L) &&
!gpio_get_level(GPIO_BTN_VOLU_L))
host_set_single_event(EC_HOST_EVENT_KEYBOARD_RECOVERY);
/*
* Enable CC lines after all GPIO have been initialized. Note, it is
* important that this is enabled after the CC_DEVICE_ODL lines are
* set low to specify device mode.
*/
gpio_set_level(GPIO_USBC_CC_EN, 1);
/* Enable interrupts on VBUS transitions. */
gpio_enable_interrupt(GPIO_CHGR_ACOK);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
/* power signal list. Must match order of enum power_signal. */
const struct power_signal_info power_signal_list[] = {
{GPIO_AP_HOLD, 1, "AP_HOLD"},
{GPIO_AP_IN_SUSPEND, 1, "SUSPEND_ASSERTED"},
};
BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
/* ADC channels */
const struct adc_t adc_channels[] = {
/* Vbus sensing. Converted to mV, /10 voltage divider. */
[ADC_VBUS] = {"VBUS", 30000, 4096, 0, STM32_AIN(0)},
/* USB PD CC lines sensing. Converted to mV (3000mV/4096). */
[ADC_CC1_PD] = {"CC1_PD", 3000, 4096, 0, STM32_AIN(1)},
[ADC_CC2_PD] = {"CC2_PD", 3000, 4096, 0, STM32_AIN(3)},
/* Charger current sensing. Converted to mA. */
[ADC_IADP] = {"IADP", 7500, 4096, 0, STM32_AIN(8)},
[ADC_IBAT] = {"IBAT", 37500, 4096, 0, STM32_AIN(13)},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"master", I2C_PORT_MASTER, 100,
GPIO_MASTER_I2C_SCL, GPIO_MASTER_I2C_SDA},
{"slave", I2C_PORT_SLAVE, 100,
GPIO_SLAVE_I2C_SCL, GPIO_SLAVE_I2C_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
void board_set_usb_mux(int port, enum typec_mux mux, int polarity)
{
/* reset everything */
gpio_set_level(GPIO_USBC_SS_EN_L, 1);
gpio_set_level(GPIO_USBC_DP_MODE_L, 1);
gpio_set_level(GPIO_USBC_DP_POLARITY, 1);
gpio_set_level(GPIO_USBC_SS1_USB_MODE_L, 1);
gpio_set_level(GPIO_USBC_SS2_USB_MODE_L, 1);
if (mux == TYPEC_MUX_NONE)
/* everything is already disabled, we can return */
return;
if (mux == TYPEC_MUX_USB || mux == TYPEC_MUX_DOCK) {
/* USB 3.0 uses 2 superspeed lanes */
gpio_set_level(polarity ? GPIO_USBC_SS2_USB_MODE_L :
GPIO_USBC_SS1_USB_MODE_L, 0);
}
if (mux == TYPEC_MUX_DP || mux == TYPEC_MUX_DOCK) {
/* DP uses available superspeed lanes (x2 or x4) */
gpio_set_level(GPIO_USBC_DP_POLARITY, polarity);
gpio_set_level(GPIO_USBC_DP_MODE_L, 0);
}
/* switch on superspeed lanes */
gpio_set_level(GPIO_USBC_SS_EN_L, 0);
}
int board_get_usb_mux(int port, const char **dp_str, const char **usb_str)
{
int has_ss = !gpio_get_level(GPIO_USBC_SS_EN_L);
int has_usb = !gpio_get_level(GPIO_USBC_SS1_USB_MODE_L) ||
!gpio_get_level(GPIO_USBC_SS2_USB_MODE_L);
int has_dp = !gpio_get_level(GPIO_USBC_DP_MODE_L);
if (has_dp)
*dp_str = gpio_get_level(GPIO_USBC_DP_POLARITY) ? "DP2" : "DP1";
else
*dp_str = NULL;
if (has_usb)
*usb_str = gpio_get_level(GPIO_USBC_SS1_USB_MODE_L) ?
"USB2" : "USB1";
else
*usb_str = NULL;
return has_ss;
}
/**
* Discharge battery when on AC power for factory test.
*/
int board_discharge_on_ac(int enable)
{
return charger_discharge_on_ac(enable);
}
int extpower_is_present(void)
{
return gpio_get_level(GPIO_CHGR_ACOK);
}
/*
* Disconnect the USB lines from the AP, this enables manual control of the
* Pericom polarity switch and disconnects the USB 2.0 lines
*/
void ccd_board_connect(void)
{
pi3usb9281_set_pins(0, 0x00);
pi3usb9281_set_switch_manual(0, 0);
}
/*
* Reconnect the USB lines to the AP re-enabling automatic switching
*/
void ccd_board_disconnect(void)
{
pi3usb9281_set_switch_manual(0, 1);
}
void usb_board_connect(void)
{
/*
* TODO(robotboy): Enable DP pullup for Proto 3, Proto 2 doesn't have
* the DP pullup, so case closed debug will only work on a Proto 2 if
* the board is reworked, and this function is updated.
*/
}
void usb_board_disconnect(void)
{
/* TODO(robotboy): Disable DP pullup for Proto 3 */
}
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