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/* Copyright 2019 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 "button.h"
#include "common.h"
#include "accelgyro.h"
#include "cbi_ec_fw_config.h"
#include "driver/accel_bma2x2.h"
#include "driver/accelgyro_bmi260.h"
#include "driver/als_tcs3400.h"
#include "driver/ppc/sn5s330.h"
#include "driver/ppc/syv682x.h"
#include "driver/retimer/bb_retimer.h"
#include "driver/sync.h"
#include "driver/tcpm/ps8xxx.h"
#include "driver/tcpm/tcpci.h"
#include "extpower.h"
#include "fan.h"
#include "fan_chip.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 "throttle_ap.h"
#include "uart.h"
#include "usb_pd_tbt.h"
#include "usbc_ppc.h"
#include "util.h"
#include "gpio_list.h" /* Must come after other header files. */
#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ## args)
/*
* FW_CONFIG defaults for Volteer if the CBI data is not initialized.
*/
union volteer_cbi_fw_config fw_config_defaults = {
.usb_db = DB_USB4_GEN2,
};
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)
{
enum ec_cfg_usb_db_type usb_db = ec_cfg_usb_db_type();
if (port == USBC_PORT_C1) {
if (usb_db == DB_USB4_GEN2) {
/*
* Older boards violate 205mm trace length prior
* to connection to the re-timer and only support up
* to GEN2 speeds.
*/
return TBT_SS_U32_GEN1_GEN2;
} else if (usb_db == DB_USB4_GEN3) {
return TBT_SS_TBT_GEN3;
}
}
/*
* Thunderbolt-compatible mode not supported
*
* TODO (b/147726366): All the USB-C ports need to support same speed.
* Need to fix once USB-C feature set is known for Volteer.
*/
return TBT_SS_RES_0;
}
__override bool board_is_tbt_usb4_port(int port)
{
enum ec_cfg_usb_db_type usb_db = ec_cfg_usb_db_type();
/*
* Volteer reference design only supports TBT & USB4 on port 1
* if the USB4 DB is present.
*
* TODO (b/147732807): All the USB-C ports need to support same
* features. Need to fix once USB-C feature set is known for Volteer.
*/
return ((port == USBC_PORT_C1)
&& ((usb_db == DB_USB4_GEN2) || (usb_db == DB_USB4_GEN3)));
}
/******************************************************************************/
/* Physical fans. These are logically separate from pwm_channels. */
const struct fan_conf fan_conf_0 = {
.flags = FAN_USE_RPM_MODE,
.ch = MFT_CH_0, /* Use MFT id to control fan */
.pgood_gpio = -1,
.enable_gpio = GPIO_EN_PP5000_FAN,
};
/*
* Fan specs from datasheet:
* Max speed 5900 rpm (+/- 7%), minimum duty cycle 30%.
* Minimum speed not specified by RPM. Set minimum RPM to max speed (with
* margin) x 30%.
* 5900 x 1.07 x 0.30 = 1894, round up to 1900
*/
const struct fan_rpm fan_rpm_0 = {
.rpm_min = 1900,
.rpm_start = 1900,
.rpm_max = 5900,
};
const struct fan_t fans[FAN_CH_COUNT] = {
[FAN_CH_0] = {
.conf = &fan_conf_0,
.rpm = &fan_rpm_0,
},
};
/******************************************************************************/
/* MFT channels. These are logically separate from pwm_channels. */
const struct mft_t mft_channels[] = {
[MFT_CH_0] = {
.module = NPCX_MFT_MODULE_1,
.clk_src = TCKC_LFCLK,
.pwm_id = PWM_CH_FAN,
},
};
BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT);
/******************************************************************************/
/* I2C port map configuration */
const struct i2c_port_t i2c_ports[] = {
{
.name = "sensor",
.port = I2C_PORT_SENSOR,
.kbps = 400,
.scl = GPIO_EC_I2C0_SENSOR_SCL,
.sda = GPIO_EC_I2C0_SENSOR_SDA,
},
{
.name = "usb_c0",
.port = I2C_PORT_USB_C0,
.kbps = 1000,
.scl = GPIO_EC_I2C1_USB_C0_SCL,
.sda = GPIO_EC_I2C1_USB_C0_SDA,
},
{
.name = "usb_c1",
.port = I2C_PORT_USB_C1,
.kbps = 1000,
.scl = GPIO_EC_I2C2_USB_C1_SCL,
.sda = GPIO_EC_I2C2_USB_C1_SDA,
},
{
.name = "usb_1_mix",
.port = I2C_PORT_USB_1_MIX,
.kbps = 100,
.scl = GPIO_EC_I2C3_USB_1_MIX_SCL,
.sda = GPIO_EC_I2C3_USB_1_MIX_SDA,
},
{
.name = "power",
.port = I2C_PORT_POWER,
.kbps = 100,
.scl = GPIO_EC_I2C5_BATTERY_SCL,
.sda = GPIO_EC_I2C5_BATTERY_SDA,
},
{
.name = "eeprom",
.port = I2C_PORT_EEPROM,
.kbps = 400,
.scl = GPIO_EC_I2C7_EEPROM_PWR_SCL_R,
.sda = GPIO_EC_I2C7_EEPROM_PWR_SDA_R,
},
};
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 = 4800,
},
[PWM_CH_LED2_GREEN] = {
.channel = 0,
.flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP,
.freq = 4800,
},
[PWM_CH_LED3_RED] = {
.channel = 1,
.flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP,
.freq = 4800,
},
[PWM_CH_LED4_SIDESEL] = {
.channel = 7,
.flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP,
/*
* If using the side select to run both LEDs at the same time,
* the frequency should be 1/2 of the color channel PWM
* frequency to drive each LED equally.
*/
.freq = 2400,
},
[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);
/******************************************************************************/
/* Volteer specific USB daughter-board configuration */
/* USBC TCPC configuration for USB3 daughter board */
static const struct tcpc_config_t tcpc_config_p1_usb3 = {
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_USB_C1,
.addr_flags = PS8751_I2C_ADDR1_FLAGS,
},
.flags = TCPC_FLAGS_TCPCI_REV2_0 | TCPC_FLAGS_TCPCI_REV2_0_NO_VSAFE0V,
.drv = &ps8xxx_tcpm_drv,
.usb23 = USBC_PORT_1_USB2_NUM | (USBC_PORT_1_USB3_NUM << 4),
};
/*
* USB3 DB mux configuration - the top level mux still needs to be set to the
* virtual_usb_mux_driver so the AP gets notified of mux changes and updates
* the TCSS configuration on state changes.
*/
static const struct usb_mux usbc1_usb3_db_retimer = {
.usb_port = USBC_PORT_C1,
.driver = &tcpci_tcpm_usb_mux_driver,
.hpd_update = &ps8xxx_tcpc_update_hpd_status,
.next_mux = NULL,
};
static const struct usb_mux mux_config_p1_usb3 = {
.usb_port = USBC_PORT_C1,
.driver = &virtual_usb_mux_driver,
.hpd_update = &virtual_hpd_update,
.next_mux = &usbc1_usb3_db_retimer,
};
/******************************************************************************/
/* USB-A charging control */
const int usb_port_enable[USB_PORT_COUNT] = {
GPIO_EN_PP5000_USBA,
};
static enum gpio_signal ps8xxx_rst_odl = GPIO_USB_C1_RT_RST_ODL;
static void ps8815_reset(void)
{
int val;
gpio_set_level(ps8xxx_rst_odl, 0);
msleep(GENERIC_MAX(PS8XXX_RESET_DELAY_MS,
PS8815_PWR_H_RST_H_DELAY_MS));
gpio_set_level(ps8xxx_rst_odl, 1);
msleep(PS8815_FW_INIT_DELAY_MS);
/*
* b/144397088
* ps8815 firmware 0x01 needs special configuration
*/
CPRINTS("%s: patching ps8815 registers", __func__);
if (i2c_read8(I2C_PORT_USB_C1,
PS8751_I2C_ADDR1_P2_FLAGS, 0x0f, &val) == EC_SUCCESS)
CPRINTS("ps8815: reg 0x0f was %02x", val);
if (i2c_write8(I2C_PORT_USB_C1,
PS8751_I2C_ADDR1_P2_FLAGS, 0x0f, 0x31) == EC_SUCCESS)
CPRINTS("ps8815: reg 0x0f set to 0x31");
if (i2c_read8(I2C_PORT_USB_C1,
PS8751_I2C_ADDR1_P2_FLAGS, 0x0f, &val) == EC_SUCCESS)
CPRINTS("ps8815: reg 0x0f now %02x", val);
}
void board_reset_pd_mcu(void)
{
enum ec_cfg_usb_db_type usb_db = ec_cfg_usb_db_type();
/* No reset available for TCPC on port 0 */
/* Daughterboard specific reset for port 1 */
if (usb_db == DB_USB3_ACTIVE) {
ps8815_reset();
usb_mux_hpd_update(USBC_PORT_C1, 0, 0);
}
}
/*
* Set up support for the USB3 daughterboard:
* Parade PS8815 TCPC (integrated retimer)
* Diodes PI3USB9201 BC 1.2 chip (same as USB4 board)
* Silergy SYV682A PPC (same as USB4 board)
*/
static void config_db_usb3(void)
{
tcpc_config[USBC_PORT_C1] = tcpc_config_p1_usb3;
usb_muxes[USBC_PORT_C1] = mux_config_p1_usb3;
}
static const char *db_type_prefix = "USB DB type: ";
__override void board_cbi_init(void)
{
enum ec_cfg_usb_db_type usb_db = ec_cfg_usb_db_type();
/* Reconfigure Volteer GPIOs based on the board ID */
if (get_board_id() == 0) {
CPRINTS("Configuring GPIOs for board ID 0");
CPRINTS("VOLUME_UP button disabled");
/* Reassign USB_C1_RT_RST_ODL */
bb_controls[USBC_PORT_C1].retimer_rst_gpio =
GPIO_USB_C1_RT_RST_ODL_BOARDID_0;
ps8xxx_rst_odl = GPIO_USB_C1_RT_RST_ODL_BOARDID_0;
}
switch (usb_db) {
case DB_USB_ABSENT:
CPRINTS("%sNone", db_type_prefix);
break;
case DB_USB4_GEN2:
CPRINTS("%sUSB4 Gen1/2", db_type_prefix);
break;
case DB_USB4_GEN3:
CPRINTS("%sUSB4 Gen3", db_type_prefix);
break;
case DB_USB3_ACTIVE:
config_db_usb3();
CPRINTS("%sUSB3 Active", db_type_prefix);
break;
default:
CPRINTS("%sID %d not supported", db_type_prefix, usb_db);
}
}
/******************************************************************************/
/* 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;
}
}
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