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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.
*/
/* Puff board-specific configuration */
#include "adc.h"
#include "adc_chip.h"
#include "button.h"
#include "charge_manager.h"
#include "charge_state_v2.h"
#include "chipset.h"
#include "common.h"
#include "core/cortex-m/cpu.h"
#include "cros_board_info.h"
#include "driver/ina3221.h"
#include "driver/ppc/sn5s330.h"
#include "driver/tcpm/anx7447.h"
#include "driver/tcpm/ps8xxx.h"
#include "driver/tcpm/tcpci.h"
#include "ec_commands.h"
#include "extpower.h"
#include "fan.h"
#include "fan_chip.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "lid_switch.h"
#include "power.h"
#include "power/cometlake-discrete.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "spi.h"
#include "switch.h"
#include "system.h"
#include "task.h"
#include "temp_sensor.h"
#include "thermal.h"
#include "thermistor.h"
#include "uart.h"
#include "usb_charge.h"
#include "usb_common.h"
#include "usb_pd.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 ppc_interrupt(enum gpio_signal signal)
{
if (signal == GPIO_USB_C0_TCPPC_INT_ODL)
sn5s330_interrupt(0);
}
int ppc_get_alert_status(int port)
{
return gpio_get_level(GPIO_USB_C0_TCPPC_INT_ODL) == 0;
}
static void tcpc_alert_event(enum gpio_signal signal)
{
if (signal == GPIO_USB_C0_TCPC_INT_ODL)
schedule_deferred_pd_interrupt(0);
}
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
int level;
/*
* Check which port has the ALERT line set and ignore if that TCPC has
* its reset line active.
*/
if (!gpio_get_level(GPIO_USB_C0_TCPC_INT_ODL)) {
level = !!(tcpc_config[USB_PD_PORT_TCPC_0].flags &
TCPC_FLAGS_RESET_ACTIVE_HIGH);
if (gpio_get_level(GPIO_USB_C0_TCPC_RST) != level)
status |= PD_STATUS_TCPC_ALERT_0;
}
return status;
}
/* Called when the charge manager has switched to a new port. */
void board_set_charge_limit(int port, int supplier, int charge_ma,
int max_ma, int charge_mv)
{
/* Blink alert if insufficient power per system_can_boot_ap(). */
int insufficient_power =
(charge_ma * charge_mv) <
(CONFIG_CHARGER_MIN_POWER_MW_FOR_POWER_ON * 1000);
led_alert(insufficient_power);
}
#include "port-sm.c"
static bool usbc_overcurrent;
/*
* Update USB port power limits based on current state.
*
* Port power consumption is assumed to be negligible if not overcurrent,
* and we have two knobs: the front port power limit, and the USB-C power limit.
* Either one of the front ports may run at high power (one at a time) or we
* can limit both to low power. On USB-C we can similarly limit the port power,
* but there's only one port.
*/
void update_port_limits(void)
{
struct port_states state = {
.bitfield = (!gpio_get_level(GPIO_USB_A0_OC_ODL)
<< PORTMASK_FRONT_A0) |
(!gpio_get_level(GPIO_USB_A1_OC_ODL)
<< PORTMASK_FRONT_A1) |
(!gpio_get_level(GPIO_USB_A2_OC_ODL)
<< PORTMASK_REAR_A0) |
(!gpio_get_level(GPIO_USB_A3_OC_ODL)
<< PORTMASK_REAR_A1) |
(!gpio_get_level(GPIO_USB_A4_OC_ODL)
<< PORTMASK_REAR_A2) |
(!gpio_get_level(GPIO_HDMI_CONN0_OC_ODL)
<< PORTMASK_HDMI0) |
(!gpio_get_level(GPIO_HDMI_CONN1_OC_ODL)
<< PORTMASK_HDMI1) |
((ppc_is_sourcing_vbus(0) && usbc_overcurrent)
<< PORTMASK_TYPEC),
.front_a_limited = gpio_get_level(GPIO_USB_A_LOW_PWR_OD),
/* Assume high-power; there's no way to poll this. */
/*
* TODO(b/143190102) add a way to poll port power limit so we
* can detect when it can be increased again if the port is
* already active.
*/
.c_low_power = 0,
};
update_port_state(&state);
ppc_set_vbus_source_current_limit(0,
state.c_low_power ? TYPEC_RP_1A5 : TYPEC_RP_3A0);
/* Output high limits power */
gpio_set_level(GPIO_USB_A_LOW_PWR_OD, state.front_a_limited);
}
DECLARE_DEFERRED(update_port_limits);
static void port_ocp_interrupt(enum gpio_signal signal)
{
hook_call_deferred(&update_port_limits_data, 0);
}
/******************************************************************************/
/*
* Barrel jack power supply handling
*
* EN_PPVAR_BJ_ADP_L must default active to ensure we can power on when the
* barrel jack is connected, and the USB-C port can bring the EC up fine in
* dead-battery mode. Both the USB-C and barrel jack switches do reverse
* protection, so we're safe to turn one on then the other off- but we should
* only do that if the system is off since it might still brown out.
*/
#define ADP_DEBOUNCE_MS 1000 /* Debounce time for BJ plug/unplug */
/* Debounced connection state of the barrel jack */
static int8_t adp_connected = -1;
static void adp_connect_deferred(void)
{
struct charge_port_info pi = { 0 };
int connected = !gpio_get_level(GPIO_BJ_ADP_PRESENT_L);
/* Debounce */
if (connected == adp_connected)
return;
if (connected) {
switch (ec_config_get_bj_power()) {
case BJ_POWER_65W:
pi.voltage = 19000;
pi.current = 3420;
break;
case BJ_POWER_90W:
pi.voltage = 19000;
pi.current = 4740;
break;
}
}
charge_manager_update_charge(CHARGE_SUPPLIER_DEDICATED,
DEDICATED_CHARGE_PORT, &pi);
adp_connected = connected;
}
DECLARE_DEFERRED(adp_connect_deferred);
/* IRQ for BJ plug/unplug. It shouldn't be called if BJ is the power source. */
void adp_connect_interrupt(enum gpio_signal signal)
{
hook_call_deferred(&adp_connect_deferred_data, ADP_DEBOUNCE_MS * MSEC);
}
static void adp_state_init(void)
{
/*
* Initialize all charge suppliers to 0. The charge manager waits until
* all ports have reported in before doing anything.
*/
for (int i = 0; i < CHARGE_PORT_COUNT; i++) {
for (int j = 0; j < CHARGE_SUPPLIER_COUNT; j++)
charge_manager_update_charge(j, i, NULL);
}
/* Report charge state from the barrel jack. */
adp_connect_deferred();
}
DECLARE_HOOK(HOOK_INIT, adp_state_init, HOOK_PRIO_CHARGE_MANAGER_INIT + 1);
#include "gpio_list.h" /* Must come after other header files. */
/******************************************************************************/
/* SPI devices */
const struct spi_device_t spi_devices[] = {
};
const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices);
/******************************************************************************/
/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
const struct pwm_t pwm_channels[] = {
[PWM_CH_FAN] = { .channel = 5,
.flags = PWM_CONFIG_OPEN_DRAIN,
.freq = 25000},
[PWM_CH_LED_RED] = { .channel = 0,
.flags = PWM_CONFIG_ACTIVE_LOW |
PWM_CONFIG_DSLEEP,
.freq = 2000 },
[PWM_CH_LED_GREEN] = { .channel = 2,
.flags = PWM_CONFIG_ACTIVE_LOW |
PWM_CONFIG_DSLEEP,
.freq = 2000 },
};
/******************************************************************************/
/* USB-C TCPC Configuration */
const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = {
[USB_PD_PORT_TCPC_0] = {
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_TCPC0,
.addr_flags = AN7447_TCPC0_I2C_ADDR_FLAGS,
},
.drv = &anx7447_tcpm_drv,
.flags = TCPC_FLAGS_RESET_ACTIVE_HIGH,
},
};
const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
[USB_PD_PORT_TCPC_0] = {
.usb_port = USB_PD_PORT_TCPC_0,
.driver = &anx7447_usb_mux_driver,
.hpd_update = &anx7447_tcpc_update_hpd_status,
},
};
/******************************************************************************/
/* I2C port map configuration */
const struct i2c_port_t i2c_ports[] = {
{"ina", I2C_PORT_INA, 400, GPIO_I2C0_SCL, GPIO_I2C0_SDA},
{"ppc0", I2C_PORT_PPC0, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"tcpc0", I2C_PORT_TCPC0, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA},
{"power", I2C_PORT_POWER, 400, GPIO_I2C5_SCL, GPIO_I2C5_SDA},
{"eeprom", I2C_PORT_EEPROM, 400, GPIO_I2C7_SCL, GPIO_I2C7_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
const struct adc_t adc_channels[] = {
[ADC_SNS_PP3300] = {
/*
* 4700/5631 voltage divider: can take the value out of range
* for 32-bit signed integers, so truncate to 470/563 yielding
* <0.1% error and a maximum intermediate value of 1623457792,
* which comfortably fits in int32.
*/
.name = "SNS_PP3300",
.input_ch = NPCX_ADC_CH2,
.factor_mul = ADC_MAX_VOLT * 563,
.factor_div = (ADC_READ_MAX + 1) * 470,
},
[ADC_SNS_PP1050] = {
.name = "SNS_PP1050",
.input_ch = NPCX_ADC_CH7,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
},
[ADC_VBUS] = { /* 5/39 voltage divider */
.name = "VBUS",
.input_ch = NPCX_ADC_CH4,
.factor_mul = ADC_MAX_VOLT * 39,
.factor_div = (ADC_READ_MAX + 1) * 5,
},
[ADC_PPVAR_IMON] = { /* 500 mV/A */
.name = "PPVAR_IMON",
.input_ch = NPCX_ADC_CH9,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
},
[ADC_TEMP_SENSOR_1] = {
.name = "TEMP_SENSOR_1",
.input_ch = NPCX_ADC_CH0,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
},
[ADC_TEMP_SENSOR_2] = {
.name = "TEMP_SENSOR_2",
.input_ch = NPCX_ADC_CH1,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
const struct temp_sensor_t temp_sensors[] = {
[TEMP_SENSOR_PP3300] = {
.name = "PP3300",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_30k9_47k_4050b,
.idx = ADC_TEMP_SENSOR_1,
},
[TEMP_SENSOR_PP5000] = {
.name = "PP5000",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_30k9_47k_4050b,
.idx = ADC_TEMP_SENSOR_2,
},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
/******************************************************************************/
/* Wake up pins */
const enum gpio_signal hibernate_wake_pins[] = {
};
const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins);
/******************************************************************************/
/* 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 = -1,
};
const struct fan_rpm fan_rpm_0 = {
.rpm_min = 2400,
.rpm_start = 2400,
.rpm_max = 4000,
};
const struct fan_t fans[] = {
[FAN_CH_0] = { .conf = &fan_conf_0, .rpm = &fan_rpm_0, },
};
BUILD_ASSERT(ARRAY_SIZE(fans) == FAN_CH_COUNT);
/******************************************************************************/
/* MFT channels. These are logically separate from pwm_channels. */
const struct mft_t mft_channels[] = {
[MFT_CH_0] = {NPCX_MFT_MODULE_2, TCKC_LFCLK, PWM_CH_FAN},
};
BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT);
/******************************************************************************/
/* Thermal control; drive fan based on temperature sensors. */
const static struct ec_thermal_config thermal_a = {
.temp_host = {
[EC_TEMP_THRESH_WARN] = 0,
[EC_TEMP_THRESH_HIGH] = C_TO_K(65),
[EC_TEMP_THRESH_HALT] = C_TO_K(75),
},
.temp_host_release = {
[EC_TEMP_THRESH_WARN] = 0,
[EC_TEMP_THRESH_HIGH] = C_TO_K(55),
[EC_TEMP_THRESH_HALT] = 0,
},
.temp_fan_off = C_TO_K(25),
.temp_fan_max = C_TO_K(55),
};
struct ec_thermal_config thermal_params[] = {
[TEMP_SENSOR_PP3300] = thermal_a,
[TEMP_SENSOR_PP5000] = thermal_a,
};
BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
/* Power sensors */
const struct ina3221_t ina3221[] = {
{ I2C_PORT_INA, 0x40, { "PP3300_G", "PP5000_A", "PP3300_WLAN" } },
{ I2C_PORT_INA, 0x42, { "PP3300_A", "PP3300_SSD", "PP3300_LAN" } },
{ I2C_PORT_INA, 0x43, { NULL, "PP1200_U", "PP2500_DRAM" } }
};
const unsigned int ina3221_count = ARRAY_SIZE(ina3221);
static uint16_t board_version;
static uint32_t fw_config;
static void cbi_init(void)
{
/*
* Load board info from CBI to control per-device configuration.
*
* If unset it's safe to treat the board as a proto, just C10 gating
* won't be enabled.
*/
uint32_t val;
if (cbi_get_board_version(&val) == EC_SUCCESS && val <= UINT16_MAX)
board_version = val;
if (cbi_get_fw_config(&val) == EC_SUCCESS)
fw_config = val;
CPRINTS("Board Version: %d, F/W config: 0x%08x",
board_version, fw_config);
}
DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_INIT_I2C + 1);
static void board_init(void)
{
uint8_t *memmap_batt_flags;
/* Override some GPIO interrupt priorities.
*
* These interrupts are timing-critical for AP power sequencing, so we
* increase their NVIC priority from the default of 3. This affects
* whole MIWU groups of 8 GPIOs since they share an IRQ.
*
* Latency at the default priority level can be hundreds of
* microseconds while other equal-priority IRQs are serviced, so GPIOs
* requiring faster response must be higher priority.
*/
/* CPU_C10_GATE_L on GPIO6.7: must be ~instant for ~60us response. */
cpu_set_interrupt_priority(NPCX_IRQ_WKINTH_1, 1);
/*
* slp_s3_interrupt (GPIOA.5 on WKINTC_0) must respond within 200us
* (tPLT18); less critical than the C10 gate.
*/
cpu_set_interrupt_priority(NPCX_IRQ_WKINTC_0, 2);
update_port_limits();
gpio_enable_interrupt(GPIO_BJ_ADP_PRESENT_L);
/* Always claim AC is online, because we don't have a battery. */
memmap_batt_flags = host_get_memmap(EC_MEMMAP_BATT_FLAG);
*memmap_batt_flags |= EC_BATT_FLAG_AC_PRESENT;
/*
* For board version < 2, the directly connected recovery
* button is not available.
*/
if (board_version < 2)
button_disable_gpio(GPIO_EC_RECOVERY_BTN_ODL);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
/******************************************************************************/
/* USB-C PPC Configuration */
struct ppc_config_t ppc_chips[CONFIG_USB_PD_PORT_MAX_COUNT] = {
[USB_PD_PORT_TCPC_0] = {
.i2c_port = I2C_PORT_PPC0,
.i2c_addr_flags = SN5S330_ADDR0_FLAGS,
.drv = &sn5s330_drv
},
};
unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips);
/* USB-A port control */
const int usb_port_enable[USB_PORT_COUNT] = {
GPIO_EN_PP5000_USB_VBUS,
};
/* Power Delivery and charging functions */
static void board_tcpc_init(void)
{
/*
* Reset TCPC if we have had a system reset.
* With EFSv2, it is possible to be in RW without
* having reset the TCPC.
*/
if (system_get_reset_flags() &
(EC_RESET_FLAG_RESET_PIN | EC_RESET_FLAG_POWER_ON))
board_reset_pd_mcu();
/* Enable TCPC interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_TCPPC_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C0_TCPC_INT_ODL);
/* Enable other overcurrent interrupts */
gpio_enable_interrupt(GPIO_HDMI_CONN0_OC_ODL);
gpio_enable_interrupt(GPIO_HDMI_CONN1_OC_ODL);
gpio_enable_interrupt(GPIO_USB_A0_OC_ODL);
gpio_enable_interrupt(GPIO_USB_A1_OC_ODL);
gpio_enable_interrupt(GPIO_USB_A2_OC_ODL);
gpio_enable_interrupt(GPIO_USB_A3_OC_ODL);
gpio_enable_interrupt(GPIO_USB_A4_OC_ODL);
}
DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C + 1);
int64_t get_time_dsw_pwrok(void)
{
/* DSW_PWROK is turned on before EC was powered. */
return -20 * MSEC;
}
void board_reset_pd_mcu(void)
{
int level = !!(tcpc_config[USB_PD_PORT_TCPC_0].flags &
TCPC_FLAGS_RESET_ACTIVE_HIGH);
gpio_set_level(GPIO_USB_C0_TCPC_RST, level);
msleep(BOARD_TCPC_C0_RESET_HOLD_DELAY);
gpio_set_level(GPIO_USB_C0_TCPC_RST, !level);
if (BOARD_TCPC_C0_RESET_POST_DELAY)
msleep(BOARD_TCPC_C0_RESET_POST_DELAY);
/* Reset any saved state for previous connections. */
pd_update_saved_port_flags(USB_PD_PORT_TCPC_0,
PD_BBRMFLG_EXPLICIT_CONTRACT, 0);
}
int board_set_active_charge_port(int port)
{
CPRINTS("Requested charge port change to %d", port);
/*
* The charge manager may ask us to switch to no charger if we're
* running off USB-C only but upstream doesn't support PD. It requires
* that we accept this switch otherwise it triggers an assert and EC
* reset; it's not possible to boot the AP anyway, but we want to avoid
* resetting the EC so we can continue to do the "low power" LED blink.
*/
if (port == CHARGE_PORT_NONE)
return EC_SUCCESS;
if (port < 0 || CHARGE_PORT_COUNT <= port)
return EC_ERROR_INVAL;
if (port == charge_manager_get_active_charge_port())
return EC_SUCCESS;
/* Don't charge from a source port */
if (board_vbus_source_enabled(port))
return EC_ERROR_INVAL;
if (!chipset_in_state(CHIPSET_STATE_ANY_OFF)) {
int bj_active, bj_requested;
if (charge_manager_get_active_charge_port() != CHARGE_PORT_NONE)
/* Change is only permitted while the system is off */
return EC_ERROR_INVAL;
/*
* Current setting is no charge port but the AP is on, so the
* charge manager is out of sync (probably because we're
* reinitializing after sysjump). Reject requests that aren't
* in sync with our outputs.
*/
bj_active = !gpio_get_level(GPIO_EN_PPVAR_BJ_ADP_L);
bj_requested = port == CHARGE_PORT_BARRELJACK;
if (bj_active != bj_requested)
return EC_ERROR_INVAL;
}
CPRINTS("New charger p%d", port);
switch (port) {
case CHARGE_PORT_TYPEC0:
/* TODO(b/143975429) need to touch the PD controller? */
gpio_set_level(GPIO_EN_PPVAR_BJ_ADP_L, 1);
break;
case CHARGE_PORT_BARRELJACK:
/* Make sure BJ adapter is sourcing power */
if (gpio_get_level(GPIO_BJ_ADP_PRESENT_L))
return EC_ERROR_INVAL;
/* TODO(b/143975429) need to touch the PD controller? */
gpio_set_level(GPIO_EN_PPVAR_BJ_ADP_L, 0);
break;
default:
return EC_ERROR_INVAL;
}
return EC_SUCCESS;
}
void board_overcurrent_event(int port, int is_overcurrented)
{
/* Sanity check the port. */
if ((port < 0) || (port >= CONFIG_USB_PD_PORT_MAX_COUNT))
return;
usbc_overcurrent = is_overcurrented;
}
int extpower_is_present(void)
{
return adp_connected;
}
int board_is_c10_gate_enabled(void)
{
/*
* Puff proto drives EN_PP5000_HDMI from EN_S0_RAILS so we cannot gate
* core rails while in S0 because HDMI should remain powered.
* EN_PP5000_HDMI is a separate EC output on all other boards.
*/
return board_version != 0;
}
void board_enable_s0_rails(int enable)
{
/* This output isn't connected on protos; safe to set anyway. */
gpio_set_level(GPIO_EN_PP5000_HDMI, enable);
}
enum ec_cfg_bj_power_type ec_config_get_bj_power(void)
{
return ((fw_config & EC_CFG_BJ_POWER_MASK) >> EC_CFG_BJ_POWER_L);
}
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