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/* 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 "button.h"
#include "common.h"
#include "accelgyro.h"
#include "cbi_ec_fw_config.h"
#include "driver/accel_bma2x2.h"
#include "driver/accelgyro_bmi160.h"
#include "driver/ppc/syv682x.h"
#include "driver/retimer/bb_retimer.h"
#include "driver/sync.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 Voxel if the CBI data is not initialized.
*/
union volteer_cbi_fw_config fw_config_defaults = {
.usb_db = DB_USB4_GEN3,
};
__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/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)
{
/*
* On Proto-1 only Port 1 supports TBT & USB4
*
* 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;
}
/******************************************************************************/
/* 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_0_mix",
.port = I2C_PORT_USB_0_MIX,
.kbps = 100,
.scl = GPIO_EC_I2C3_USB_1_MIX_SCL,
.sda = GPIO_EC_I2C3_USB_1_MIX_SDA,
},
{
.name = "usb_1_mix",
.port = I2C_PORT_USB_1_MIX,
.kbps = 100,
.scl = GPIO_EC_I2C4_USB_1_MIX_SCL,
.sda = GPIO_EC_I2C4_USB_1_MIX_SDA,
},
{
.name = "power",
.port = I2C_PORT_POWER,
.kbps = 100,
.scl = GPIO_EC_I2C5_POWER_SCL,
.sda = GPIO_EC_I2C5_POWER_SDA,
},
{
.name = "eeprom",
.port = I2C_PORT_EEPROM,
.kbps = 400,
.scl = GPIO_EC_I2C7_EEPROM_SCL,
.sda = GPIO_EC_I2C7_EEPROM_SDA,
},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/******************************************************************************/
/* PWM configuration */
const struct pwm_t pwm_channels[] = {
[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);
static void kb_backlight_enable(void)
{
gpio_set_level(GPIO_EC_KB_BL_EN, 1);
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, kb_backlight_enable, HOOK_PRIO_DEFAULT);
static void kb_backlight_disable(void)
{
gpio_set_level(GPIO_EC_KB_BL_EN, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, kb_backlight_disable, HOOK_PRIO_DEFAULT);
/* USBC mux configuration - Tiger Lake includes internal mux */
struct usb_mux usbc0_usb4_db_retimer = {
.usb_port = USBC_PORT_C0,
.driver = &bb_usb_retimer,
.i2c_port = I2C_PORT_USB_0_MIX,
.i2c_addr_flags = USBC_PORT_C0_BB_RETIMER_I2C_ADDR,
};
/*****************************************************************************
* USB-C MUX/Retimer dynamic configuration.
*/
static void setup_mux(void)
{
CPRINTS("C0 supports bb-retimer");
/* USB-C port 0 have a retimer */
usb_muxes[USBC_PORT_C0].next_mux = &usbc0_usb4_db_retimer;
}
void board_reset_pd_mcu(void)
{
/*
* Only the Burnside Bridge retimers provide a reset pin, but this is
* already handled by the bb_retimer.c driver.
*/
}
__override void board_cbi_init(void)
{
/* TODO(b/159025739): Voxel: check FW_CONFIG fields for USB DB type */
setup_mux();
/* Reassign USB_C0_RT_RST_ODL */
bb_controls[USBC_PORT_C0].usb_ls_en_gpio = GPIO_USB_C0_LS_EN;
bb_controls[USBC_PORT_C0].retimer_rst_gpio = GPIO_USB_C0_RT_RST_ODL;
}
/******************************************************************************/
/* USB-A charging control */
const int usb_port_enable[USB_PORT_COUNT] = {
GPIO_EN_PP5000_USBA,
};
/******************************************************************************/
/* USBC PPC configuration */
struct ppc_config_t ppc_chips[] = {
[USBC_PORT_C0] = {
.i2c_port = I2C_PORT_USB_C0,
.i2c_addr_flags = SYV682X_ADDR0_FLAGS,
.drv = &syv682x_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:
syv682x_interrupt(USBC_PORT_C0);
break;
case GPIO_USB_C1_PPC_INT_ODL:
syv682x_interrupt(USBC_PORT_C1);
default:
break;
}
}
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