blob: 4e1d8a3479eab62d889ffce61514bdf75de0c5a7 [file] [log] [blame]
/* Copyright 2020 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.
*/
/* Volteer board-specific configuration */
#include "bb_retimer.h"
#include "button.h"
#include "common.h"
#include "accelgyro.h"
#include "cbi_ec_fw_config.h"
#include "driver/accel_bma2x2.h"
#include "driver/als_tcs3400.h"
#include "driver/bc12/pi3usb9201.h"
#include "driver/ppc/sn5s330.h"
#include "driver/ppc/syv682x.h"
#include "driver/tcpm/tcpci.h"
#include "driver/tcpm/tusb422.h"
#include "driver/sync.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "switch.h"
#include "system.h"
#include "task.h"
#include "tablet_mode.h"
#include "uart.h"
#include "usb_mux.h"
#include "usb_pd.h"
#include "usb_pd_tbt.h"
#include "usb_pd_tcpm.h"
#include "usbc_ppc.h"
#include "util.h"
#include "gpio_list.h" /* Must come after other header files. */
/*
* FW_CONFIG defaults for Halvor if the CBI data is not initialized.
*/
union volteer_cbi_fw_config fw_config_defaults = {
/* Set all FW_CONFIG fields default to 0 */
.raw_value = 0,
};
static void board_init(void)
{
/* Illuminate motherboard and daughter board LEDs equally to start. */
pwm_enable(PWM_CH_LED4_SIDESEL, 1);
pwm_set_duty(PWM_CH_LED4_SIDESEL, 50);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
__override enum tbt_compat_cable_speed board_get_max_tbt_speed(int port)
{
/* Routing length exceeds 205mm prior to connection to re-timer */
if (port == USBC_PORT_C1)
return TBT_SS_U32_GEN1_GEN2;
/*
* Thunderbolt-compatible mode not supported
*
* TODO (b/153995632): All the USB-C ports need to support same speed.
* Need to fix once USB-C feature set is known for Halvor.
*/
return TBT_SS_RES_0;
}
__override bool board_is_tbt_usb4_port(int port)
{
/*
* On the volteer reference board 1 only port 1 supports TBT & USB4
*
* TODO (b/153995632): All the USB-C ports need to support same
* features. Need to fix once USB-C feature set is known for Halvor.
*/
return port == USBC_PORT_C1;
}
/******************************************************************************/
/* I2C port map configuration */
const struct i2c_port_t i2c_ports[] = {
{
.name = "sensor",
.port = I2C_PORT_SENSOR,
.kbps = 400,
.scl = GPIO_EC_I2C_0_SCL,
.sda = GPIO_EC_I2C_0_SDA,
},
{
.name = "usb_c0",
.port = I2C_PORT_USB_C0,
.kbps = 1000,
.scl = GPIO_EC_I2C_1_SCL,
.sda = GPIO_EC_I2C_1_SDA,
},
{
.name = "usb_c1",
.port = I2C_PORT_USB_C1,
.kbps = 1000,
.scl = GPIO_EC_I2C_2_SCL,
.sda = GPIO_EC_I2C_2_SDA,
},
{
.name = "usb_bb_retimer",
.port = I2C_PORT_USB_BB_RETIMER,
.kbps = 100,
.scl = GPIO_EC_I2C_3_SCL,
.sda = GPIO_EC_I2C_3_SDA,
},
{
.name = "usb_c2",
.port = I2C_PORT_USB_C2,
.kbps = 1000,
.scl = GPIO_EC_I2C_4_SCL,
.sda = GPIO_EC_I2C_4_SDA,
},
{
.name = "power",
.port = I2C_PORT_POWER,
.kbps = 100,
.scl = GPIO_EC_I2C_5_SCL,
.sda = GPIO_EC_I2C_5_SDA,
},
{
.name = "eeprom",
.port = I2C_PORT_EEPROM,
.kbps = 400,
.scl = GPIO_EC_I2C_7_SCL,
.sda = GPIO_EC_I2C_7_SDA,
},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/* PWM configuration */
const struct pwm_t pwm_channels[] = {
[PWM_CH_LED1_BLUE] = {
.channel = 2,
.flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP,
.freq = 2400,
},
[PWM_CH_LED2_GREEN] = {
.channel = 0,
.flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP,
.freq = 2400,
},
[PWM_CH_LED3_RED] = {
.channel = 1,
.flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP,
.freq = 2400,
},
[PWM_CH_LED4_SIDESEL] = {
.channel = 7,
.flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP,
/* Run at a higher frequency than the color PWM signals to avoid
* timing-based color shifts.
*/
.freq = 4800,
},
[PWM_CH_FAN] = {
.channel = 5,
.flags = PWM_CONFIG_OPEN_DRAIN,
.freq = 25000
},
[PWM_CH_KBLIGHT] = {
.channel = 3,
.flags = 0,
/*
* Set PWM frequency to multiple of 50 Hz and 60 Hz to prevent
* flicker. Higher frequencies consume similar average power to
* lower PWM frequencies, but higher frequencies record a much
* lower maximum power.
*/
.freq = 2400,
},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/******************************************************************************/
void halvor_tcpc_alert_event(enum gpio_signal signal)
{
/* TODO (b/153705222): Need to implement three USB-C function */
}
void halvor_ppc_interrupt(enum gpio_signal signal)
{
/* TODO (b/153705222): Need to implement three USB-C function */
}
void halvor_bc12_interrupt(enum gpio_signal signal)
{
/* TODO (b/153705222): Need to implement three USB-C function */
}
void board_reset_pd_mcu(void)
{
/* TODO (b/153705222): Need to implement three USB-C function */
}
__override void board_cbi_init(void)
{
/* TODO (b/153705222): Check FW_CONFIG for USB DB options */
}
/******************************************************************************/
/* USBC PPC configuration */
struct ppc_config_t ppc_chips[] = {
[USBC_PORT_C0] = {
.i2c_port = I2C_PORT_USB_C0,
.i2c_addr_flags = SN5S330_ADDR0_FLAGS,
.drv = &sn5s330_drv,
},
[USBC_PORT_C1] = {
.i2c_port = I2C_PORT_USB_C1,
.i2c_addr_flags = SYV682X_ADDR0_FLAGS,
.drv = &syv682x_drv,
},
};
BUILD_ASSERT(ARRAY_SIZE(ppc_chips) == USBC_PORT_COUNT);
unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips);
/******************************************************************************/
/* PPC support routines */
void ppc_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_USB_C0_PPC_INT_ODL:
sn5s330_interrupt(USBC_PORT_C0);
break;
case GPIO_USB_C1_PPC_INT_ODL:
syv682x_interrupt(USBC_PORT_C1);
default:
break;
}
}
/******************************************************************************/
/* BC1.2 charger detect configuration */
const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = {
[USBC_PORT_C0] = {
.i2c_port = I2C_PORT_USB_C0,
.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
},
[USBC_PORT_C1] = {
.i2c_port = I2C_PORT_USB_C1,
.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
},
};
BUILD_ASSERT(ARRAY_SIZE(pi3usb9201_bc12_chips) == USBC_PORT_COUNT);
/******************************************************************************/
/* USBC TCPC configuration */
struct tcpc_config_t tcpc_config[] = {
[USBC_PORT_C0] = {
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_USB_C0,
.addr_flags = TUSB422_I2C_ADDR_FLAGS,
},
.drv = &tusb422_tcpm_drv,
.usb23 = USBC_PORT_0_USB2_NUM | (USBC_PORT_0_USB3_NUM << 4),
},
[USBC_PORT_C1] = {
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_USB_C1,
.addr_flags = TUSB422_I2C_ADDR_FLAGS,
},
.drv = &tusb422_tcpm_drv,
.usb23 = USBC_PORT_1_USB2_NUM | (USBC_PORT_1_USB3_NUM << 4),
},
};
BUILD_ASSERT(ARRAY_SIZE(tcpc_config) == USBC_PORT_COUNT);
BUILD_ASSERT(CONFIG_USB_PD_PORT_MAX_COUNT == USBC_PORT_COUNT);
/******************************************************************************/
/* USBC mux configuration - Tiger Lake includes internal mux */
struct usb_mux usbc1_usb4_db_retimer = {
.usb_port = USBC_PORT_C1,
.driver = &bb_usb_retimer,
.i2c_port = I2C_PORT_USB_1_MIX,
.i2c_addr_flags = USBC_PORT_C1_BB_RETIMER_I2C_ADDR,
};
struct usb_mux usb_muxes[] = {
[USBC_PORT_C0] = {
.usb_port = USBC_PORT_C0,
.driver = &virtual_usb_mux_driver,
.hpd_update = &virtual_hpd_update,
},
[USBC_PORT_C1] = {
.usb_port = USBC_PORT_C1,
.driver = &virtual_usb_mux_driver,
.hpd_update = &virtual_hpd_update,
.next_mux = &usbc1_usb4_db_retimer,
},
};
BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT);
struct bb_usb_control bb_controls[] = {
[USBC_PORT_C0] = {
/* USB-C port 0 doesn't have a retimer */
},
[USBC_PORT_C1] = {
.usb_ls_en_gpio = GPIO_USB_C1_LS_EN,
.retimer_rst_gpio = GPIO_USB_C1_RT_RST_ODL,
},
};
BUILD_ASSERT(ARRAY_SIZE(bb_controls) == USBC_PORT_COUNT);
static void board_tcpc_init(void)
{
/* Don't reset TCPCs after initial reset */
if (!system_jumped_late())
board_reset_pd_mcu();
/* Enable PPC interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_PPC_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_PPC_INT_ODL);
/* Enable TCPC interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_TCPC_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_TCPC_INT_ODL);
/* Enable BC1.2 interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_ODL);
}
DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_CHIPSET);
/******************************************************************************/
/* TCPC support routines */
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
/*
* Check which port has the ALERT line set
*/
if (!gpio_get_level(GPIO_USB_C0_TCPC_INT_ODL))
status |= PD_STATUS_TCPC_ALERT_0;
if (!gpio_get_level(GPIO_USB_C1_TCPC_INT_ODL))
status |= PD_STATUS_TCPC_ALERT_1;
return status;
}
int ppc_get_alert_status(int port)
{
if (port == USBC_PORT_C0)
return gpio_get_level(GPIO_USB_C0_PPC_INT_ODL) == 0;
else
return gpio_get_level(GPIO_USB_C1_PPC_INT_ODL) == 0;
}