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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.
*/
/* Aleena board-specific configuration */
#include "adc.h"
#include "adc_chip.h"
#include "button.h"
#include "charge_manager.h"
#include "charge_state.h"
#include "charge_state_v2.h"
#include "common.h"
#include "compile_time_macros.h"
#include "console.h"
#include "driver/accel_kionix.h"
#include "driver/accel_kx022.h"
#include "driver/accelgyro_bmi160.h"
#include "driver/bc12/bq24392.h"
#include "driver/led/lm3630a.h"
#include "driver/ppc/sn5s330.h"
#include "driver/tcpm/anx74xx.h"
#include "driver/tcpm/ps8xxx.h"
#include "driver/temp_sensor/sb_tsi.h"
#include "ec_commands.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "keyboard_scan.h"
#include "lid_switch.h"
#include "motion_sense.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "registers.h"
#include "switch.h"
#include "system.h"
#include "task.h"
#include "tcpci.h"
#include "temp_sensor.h"
#include "thermistor.h"
#include "usb_mux.h"
#include "usb_pd_tcpm.h"
#include "usbc_ppc.h"
#include "util.h"
#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
static void tcpc_alert_event(enum gpio_signal signal)
{
if ((signal == GPIO_USB_C0_PD_INT_ODL) &&
!gpio_get_level(GPIO_USB_C0_PD_RST_L))
return;
if ((signal == GPIO_USB_C1_PD_INT_ODL) &&
!gpio_get_level(GPIO_USB_C1_PD_RST_L))
return;
#ifdef HAS_TASK_PDCMD
/* Exchange status with TCPCs */
host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
#endif
}
#ifdef CONFIG_USB_PD_TCPC_LOW_POWER
static void anx74xx_cable_det_handler(void)
{
int cable_det = gpio_get_level(GPIO_USB_C0_CABLE_DET);
int reset_n = gpio_get_level(GPIO_USB_C0_PD_RST_L);
/*
* A cable_det low->high transition was detected. If following the
* debounce time, cable_det is high, and reset_n is low, then ANX3429 is
* currently in standby mode and needs to be woken up. Set the
* TCPC_RESET event which will bring the ANX3429 out of standby
* mode. Setting this event is gated on reset_n being low because the
* ANX3429 will always set cable_det when transitioning to normal mode
* and if in normal mode, then there is no need to trigger a tcpc reset.
*/
if (cable_det && !reset_n)
task_set_event(TASK_ID_PD_C0, PD_EVENT_TCPC_RESET, 0);
}
DECLARE_DEFERRED(anx74xx_cable_det_handler);
void anx74xx_cable_det_interrupt(enum gpio_signal signal)
{
/* debounce for 2 msec */
hook_call_deferred(&anx74xx_cable_det_handler_data, (2 * MSEC));
}
#endif
static void ppc_interrupt(enum gpio_signal signal)
{
int port = (signal == GPIO_USB_C0_SWCTL_INT_ODL) ? 0 : 1;
sn5s330_interrupt(port);
}
#include "gpio_list.h"
/* I2C port map. */
const struct i2c_port_t i2c_ports[] = {
{"power", I2C_PORT_POWER, 100, GPIO_I2C0_SCL, GPIO_I2C0_SDA},
{"tcpc0", I2C_PORT_TCPC0, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"tcpc1", I2C_PORT_TCPC1, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA},
{"thermal", I2C_PORT_THERMAL, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA},
{"sensor", I2C_PORT_SENSOR, 400, 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 = 5,
.flags = 0,
.freq = 100,
},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
static void board_init(void)
{
/* Enable Gyro interrupts */
gpio_enable_interrupt(GPIO_6AXIS_INT_L);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
void board_overcurrent_event(int port)
{
enum gpio_signal signal = (port == 0) ? GPIO_USB_C0_OC_L
: GPIO_USB_C1_OC_L;
gpio_set_level(signal, 0);
CPRINTS("p%d: overcurrent!", port);
}
void board_tcpc_init(void)
{
int port;
/* Only reset TCPC if not sysjump */
if (!system_jumped_to_this_image())
board_reset_pd_mcu();
/* Enable PPC interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_SWCTL_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_SWCTL_INT_ODL);
/* Enable TCPC interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL);
#ifdef CONFIG_USB_PD_TCPC_LOW_POWER
/* Enable CABLE_DET interrupt for ANX3429 wake from standby */
gpio_enable_interrupt(GPIO_USB_C0_CABLE_DET);
#endif
/*
* Initialize HPD to low; after sysjump SOC needs to see
* HPD pulse to enable video path
*/
for (port = 0; port < CONFIG_USB_PD_PORT_COUNT; port++) {
const struct usb_mux *mux = &usb_muxes[port];
mux->hpd_update(port, 0, 0);
}
}
DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C + 1);
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) {
if (gpio_get_level(GPIO_USB_C0_PD_RST_L))
status |= PD_STATUS_TCPC_ALERT_0;
}
if (!gpio_get_level(GPIO_USB_C1_PD_INT_ODL)) {
if (gpio_get_level(GPIO_USB_C1_PD_RST_L))
status |= PD_STATUS_TCPC_ALERT_1;
}
return status;
}
/**
* Power on (or off) a single TCPC.
* minimum on/off delays are included.
*
* @param port Port number of TCPC.
* @param mode 0: power off, 1: power on.
*/
void board_set_tcpc_power_mode(int port, int mode)
{
if (port != USB_PD_PORT_ANX74XX)
return;
switch (mode) {
case ANX74XX_NORMAL_MODE:
gpio_set_level(GPIO_EN_USB_C0_TCPC_PWR, 1);
msleep(ANX74XX_PWR_H_RST_H_DELAY_MS);
gpio_set_level(GPIO_USB_C0_PD_RST_L, 1);
break;
case ANX74XX_STANDBY_MODE:
gpio_set_level(GPIO_USB_C0_PD_RST_L, 0);
msleep(ANX74XX_RST_L_PWR_L_DELAY_MS);
gpio_set_level(GPIO_EN_USB_C0_TCPC_PWR, 0);
msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS);
break;
default:
break;
}
}
void board_reset_pd_mcu(void)
{
/* Assert reset to TCPC1 (ps8751) */
gpio_set_level(GPIO_USB_C1_PD_RST_L, 0);
/* Assert reset to TCPC0 (anx3429) */
gpio_set_level(GPIO_USB_C0_PD_RST_L, 0);
/* TCPC1 (ps8751) requires 1ms reset down assertion */
msleep(MAX(1, ANX74XX_RST_L_PWR_L_DELAY_MS));
/* Deassert reset to TCPC1 */
gpio_set_level(GPIO_USB_C1_PD_RST_L, 1);
/* Disable TCPC0 power */
gpio_set_level(GPIO_EN_USB_C0_TCPC_PWR, 0);
/*
* anx3429 requires 10ms reset/power down assertion
*/
msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS);
board_set_tcpc_power_mode(USB_PD_PORT_ANX74XX, 1);
}
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