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/* Copyright 2015 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.
*/
/* Snoball board configuration */
#include "adc.h"
#include "adc_chip.h"
#include "common.h"
#include "console.h"
#include "fusb302.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "i2c.h"
#include "registers.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "task.h"
#include "usb_pd.h"
#include "usb_pd_tcpm.h"
#include "util.h"
void tcpc_alert_event(enum gpio_signal signal)
{
/* Exchange status with TCPCs */
host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
}
#include "gpio_list.h"
const struct i2c_port_t i2c_ports[] = {
{"tcpc-a", STM32_I2C1_PORT, 1000, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"tcpc-b", STM32_I2C2_PORT, 1000, GPIO_I2C2_SCL, GPIO_I2C2_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = {
{STM32_I2C1_PORT, FUSB302_I2C_SLAVE_ADDR, &fusb302_tcpm_drv},
{STM32_I2C2_PORT, FUSB302_I2C_SLAVE_ADDR, &fusb302_tcpm_drv},
/* TODO: Verify secondary slave addr, or use i2c mux */
{STM32_I2C2_PORT, FUSB302_I2C_SLAVE_ADDR + 2, &fusb302_tcpm_drv},
};
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
if (!gpio_get_level(GPIO_TCPC1_INT))
status |= PD_STATUS_TCPC_ALERT_0;
if (!gpio_get_level(GPIO_TCPC2_INT))
status |= PD_STATUS_TCPC_ALERT_1;
if (!gpio_get_level(GPIO_TCPC3_INT))
status |= PD_STATUS_TCPC_ALERT_2;
return status;
}
/* ADC channels */
const struct adc_t adc_channels[] = {
/* Current sensing. Converted to mA (6600mV/4096). */
[ADC_C0_CS] = {"C0_CS", 6600, 4096, 0, STM32_AIN(0)},
[ADC_C1_CS] = {"C1_CS", 6600, 4096, 0, STM32_AIN(1)},
[ADC_C2_CS] = {"C2_CS", 6600, 4096, 0, STM32_AIN(2)},
/* Voltage sensing. Converted to mV (40000mV/4096). */
[ADC_C0_VS] = {"C0_VS", 40000, 4096, 0, STM32_AIN(3)},
[ADC_C1_VS] = {"C1_VS", 40000, 4096, 0, STM32_AIN(4)},
[ADC_C2_VS] = {"C2_VS", 40000, 4096, 0, STM32_AIN(5)},
[ADC_VBUCK] = {"VBUCK", 40000, 4096, 0, STM32_AIN(8)},
/* TODO: Check characteristics of thermistor circuit */
[ADC_TEMP] = {"TEMP", 3300, 4096, 0, STM32_AIN(9)},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
#define VR_PWM_FLAGS (PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_COMPLEMENTARY_OUTPUT)
const struct pwm_t pwm_channels[] = {
{STM32_TIM(15), STM32_TIM_CH(1), VR_PWM_FLAGS, 480000},
{STM32_TIM(16), STM32_TIM_CH(1), VR_PWM_FLAGS, 480000},
{STM32_TIM(17), STM32_TIM_CH(1), VR_PWM_FLAGS, 480000},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
static void board_init(void)
{
gpio_enable_interrupt(GPIO_TCPC1_INT);
gpio_enable_interrupt(GPIO_TCPC2_INT);
gpio_enable_interrupt(GPIO_TCPC3_INT);
pwm_enable(PWM_PD1, 1);
pwm_enable(PWM_PD2, 1);
pwm_enable(PWM_PD3, 1);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
void board_reset_pd_mcu(void)
{
}
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