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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.
*/
#include "charger.h"
#include "chipset.h"
#include "common.h"
#include "console.h"
#include "driver/bc12/pi3usb9201.h"
#include "driver/charger/isl9241.h"
#include "driver/ppc/aoz1380.h"
#include "driver/ppc/nx20p348x.h"
#include "driver/retimer/ps8802.h"
#include "driver/retimer/ps8818.h"
#include "driver/retimer/tusb544.h"
#include "driver/tcpm/nct38xx.h"
#include "driver/usb_mux/amd_fp5.h"
#include "fan.h"
#include "fan_chip.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "ioexpander.h"
#include "task.h"
#include "timer.h"
#include "usb_mux.h"
#include "usb_pd_tcpm.h"
#include "usbc_ppc.h"
#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ## args)
const struct i2c_port_t i2c_ports[] = {
{
.name = "tcpc0",
.port = I2C_PORT_TCPC0,
.kbps = 400,
.scl = GPIO_EC_I2C_USB_A0_C0_SCL,
.sda = GPIO_EC_I2C_USB_A0_C0_SDA,
},
{
.name = "tcpc1",
.port = I2C_PORT_TCPC1,
.kbps = 400,
.scl = GPIO_EC_I2C_USB_A1_C1_SCL,
.sda = GPIO_EC_I2C_USB_A1_C1_SDA,
},
{
.name = "battery",
.port = I2C_PORT_BATTERY,
.kbps = 100,
.scl = GPIO_EC_I2C_BATT_SCL,
.sda = GPIO_EC_I2C_BATT_SDA,
},
{
.name = "ap_mux",
.port = I2C_PORT_USB_AP_MUX,
.kbps = 400,
.scl = GPIO_EC_I2C_USBC_AP_MUX_SCL,
.sda = GPIO_EC_I2C_USBC_AP_MUX_SDA,
},
{
.name = "therm_chg",
.port = I2C_PORT_THERMAL_AP,
.kbps = 400,
.scl = GPIO_FCH_SIC_POWER_SCL,
.sda = GPIO_FCH_SID_POWER_SDA,
},
{
.name = "sensor",
.port = I2C_PORT_SENSOR,
.kbps = 400,
.scl = GPIO_EC_I2C_SENSOR_CBI_SCL,
.sda = GPIO_EC_I2C_SENSOR_CBI_SDA,
},
{
.name = "ap_audio",
.port = I2C_PORT_AP_AUDIO,
.kbps = 400,
.scl = GPIO_FCH_I2C_AUDIO_SCL,
.sda = GPIO_FCH_I2C_AUDIO_SDA,
},
{
.name = "ap_hdmi",
.port = I2C_PORT_AP_HDMI,
.kbps = 400,
.scl = GPIO_FCH_I2C_HDMI_HUB_3V3_SCL,
.sda = GPIO_FCH_I2C_HDMI_HUB_3V3_SDA,
},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/*****************************************************************************
* Charger
*/
struct charger_config_t chg_chips[] = {
{
.i2c_port = I2C_PORT_CHARGER_V1,
.i2c_addr_flags = ISL9241_ADDR_FLAGS,
.drv = &isl9241_drv,
},
};
/*
* If the charger is found on the V0 I2C port then re-map the port.
* Use HOOK_PRIO_INIT_I2C so we re-map before charger_chips_init()
* talks to the charger. This relies on the V1 HW not using the ISL9241 address
* on the V0 I2C port.
* TODO(b/155214765): Remove this check once V0 HW is no longer used.
*/
static void check_v0_charger(void)
{
int id;
if (i2c_read16(I2C_PORT_CHARGER_V0, ISL9241_ADDR_FLAGS,
ISL9241_REG_MANUFACTURER_ID, &id) == EC_SUCCESS) {
ccprints("V0 charger HW detected");
chg_chips[0].i2c_port = I2C_PORT_CHARGER_V0;
}
}
DECLARE_HOOK(HOOK_INIT, check_v0_charger, HOOK_PRIO_INIT_I2C);
/*****************************************************************************
* TCPC
*/
void baseboard_tcpc_init(void)
{
/* Enable PPC interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_PPC_FAULT_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 BC 1.2 interrupts */
gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_ODL);
/* Enable SBU fault interrupts */
ioex_enable_interrupt(IOEX_USB_C0_SBU_FAULT_ODL);
ioex_enable_interrupt(IOEX_USB_C1_SBU_FAULT_DB_ODL);
}
DECLARE_HOOK(HOOK_INIT, baseboard_tcpc_init, HOOK_PRIO_INIT_I2C + 1);
struct ppc_config_t ppc_chips[] = {
[USBC_PORT_C0] = {
/* Device does not talk I2C */
.drv = &aoz1380_drv
},
[USBC_PORT_C1] = {
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = NX20P3483_ADDR1_FLAGS,
.drv = &nx20p348x_drv
},
};
BUILD_ASSERT(ARRAY_SIZE(ppc_chips) == USBC_PORT_COUNT);
unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips);
__overridable void ppc_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_USB_C0_PPC_FAULT_ODL:
aoz1380_interrupt(USBC_PORT_C0);
break;
case GPIO_USB_C1_PPC_INT_ODL:
nx20p348x_interrupt(USBC_PORT_C1);
break;
default:
break;
}
}
int board_set_active_charge_port(int port)
{
int is_valid_port = (port >= 0 &&
port < CONFIG_USB_PD_PORT_MAX_COUNT);
int i;
if (port == CHARGE_PORT_NONE) {
CPRINTSUSB("Disabling all charger ports");
/* Disable all ports. */
for (i = 0; i < ppc_cnt; i++) {
/*
* Do not return early if one fails otherwise we can
* get into a boot loop assertion failure.
*/
if (ppc_vbus_sink_enable(i, 0))
CPRINTSUSB("Disabling C%d as sink failed.", i);
}
return EC_SUCCESS;
} else if (!is_valid_port) {
return EC_ERROR_INVAL;
}
/* Check if the port is sourcing VBUS. */
if (ppc_is_sourcing_vbus(port)) {
CPRINTFUSB("Skip enable C%d", port);
return EC_ERROR_INVAL;
}
CPRINTSUSB("New charge port: C%d", port);
/*
* Turn off the other ports' sink path FETs, before enabling the
* requested charge port.
*/
for (i = 0; i < ppc_cnt; i++) {
if (i == port)
continue;
if (ppc_vbus_sink_enable(i, 0))
CPRINTSUSB("C%d: sink path disable failed.", i);
}
/* Enable requested charge port. */
if (ppc_vbus_sink_enable(port, 1)) {
CPRINTSUSB("C%d: sink path enable failed.", port);
return EC_ERROR_UNKNOWN;
}
return EC_SUCCESS;
}
void board_overcurrent_event(int port, int is_overcurrented)
{
switch (port) {
case USBC_PORT_C0:
ioex_set_level(IOEX_USB_C0_FAULT_ODL, !is_overcurrented);
break;
case USBC_PORT_C1:
ioex_set_level(IOEX_USB_C1_FAULT_ODL, !is_overcurrented);
break;
default:
break;
}
}
const struct tcpc_config_t tcpc_config[] = {
[USBC_PORT_C0] = {
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_TCPC0,
.addr_flags = NCT38XX_I2C_ADDR1_1_FLAGS,
},
.drv = &nct38xx_tcpm_drv,
.flags = TCPC_FLAGS_TCPCI_REV2_0,
},
[USBC_PORT_C1] = {
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_TCPC1,
.addr_flags = NCT38XX_I2C_ADDR1_1_FLAGS,
},
.drv = &nct38xx_tcpm_drv,
.flags = TCPC_FLAGS_TCPCI_REV2_0,
},
};
BUILD_ASSERT(ARRAY_SIZE(tcpc_config) == USBC_PORT_COUNT);
BUILD_ASSERT(CONFIG_USB_PD_PORT_MAX_COUNT == USBC_PORT_COUNT);
const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = {
[USBC_PORT_C0] = {
.i2c_port = I2C_PORT_TCPC0,
.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
},
[USBC_PORT_C1] = {
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
},
};
BUILD_ASSERT(ARRAY_SIZE(pi3usb9201_bc12_chips) == USBC_PORT_COUNT);
static void reset_pd_port(int port, enum gpio_signal reset_gpio_l,
int hold_delay, int finish_delay)
{
gpio_set_level(reset_gpio_l, 0);
msleep(hold_delay);
gpio_set_level(reset_gpio_l, 1);
if (finish_delay)
msleep(finish_delay);
}
void board_reset_pd_mcu(void)
{
/* Reset TCPC0 */
reset_pd_port(USBC_PORT_C0, GPIO_USB_C0_TCPC_RST_L,
NCT38XX_RESET_HOLD_DELAY_MS,
NCT38XX_RESET_POST_DELAY_MS);
/* Reset TCPC1 */
reset_pd_port(USBC_PORT_C1, GPIO_USB_C1_TCPC_RST_L,
NCT38XX_RESET_HOLD_DELAY_MS,
NCT38XX_RESET_POST_DELAY_MS);
}
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
/*
* 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)) {
if (gpio_get_level(GPIO_USB_C0_TCPC_RST_L) != 0)
status |= PD_STATUS_TCPC_ALERT_0;
}
if (!gpio_get_level(GPIO_USB_C1_TCPC_INT_ODL)) {
if (gpio_get_level(GPIO_USB_C1_TCPC_RST_L) != 0)
status |= PD_STATUS_TCPC_ALERT_1;
}
return status;
}
void tcpc_alert_event(enum gpio_signal signal)
{
int port = -1;
switch (signal) {
case GPIO_USB_C0_TCPC_INT_ODL:
port = 0;
break;
case GPIO_USB_C1_TCPC_INT_ODL:
port = 1;
break;
default:
return;
}
schedule_deferred_pd_interrupt(port);
}
int board_pd_set_frs_enable(int port, int enable)
{
int rv = EC_SUCCESS;
/* Use the TCPC to enable fast switch when FRS included */
if (port == USBC_PORT_C0) {
rv = ioex_set_level(IOEX_USB_C0_TCPC_FASTSW_CTL_EN,
!!enable);
} else {
rv = ioex_set_level(IOEX_USB_C1_TCPC_FASTSW_CTL_EN,
!!enable);
}
return rv;
}
void bc12_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_USB_C0_BC12_INT_ODL:
task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0);
break;
case GPIO_USB_C1_BC12_INT_ODL:
task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12, 0);
break;
default:
break;
}
}
/*****************************************************************************
* IO expander
*/
struct ioexpander_config_t ioex_config[] = {
[USBC_PORT_C0] = {
.i2c_host_port = I2C_PORT_TCPC0,
.i2c_slave_addr = NCT38XX_I2C_ADDR1_1_FLAGS,
.drv = &nct38xx_ioexpander_drv,
},
[USBC_PORT_C1] = {
.i2c_host_port = I2C_PORT_TCPC1,
.i2c_slave_addr = NCT38XX_I2C_ADDR1_1_FLAGS,
.drv = &nct38xx_ioexpander_drv,
},
};
BUILD_ASSERT(ARRAY_SIZE(ioex_config) == USBC_PORT_COUNT);
BUILD_ASSERT(CONFIG_IO_EXPANDER_PORT_COUNT == USBC_PORT_COUNT);
/*****************************************************************************
* Custom Zork USB-C1 Retimer/MUX driver
*/
/*
* PS8802 set mux board tuning.
* Adds in board specific gain and DP lane count configuration
*/
static int board_ps8802_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
int rv = EC_SUCCESS;
/* Make sure the PS8802 is awake */
rv = ps8802_i2c_wake(me);
if (rv)
return rv;
/* USB specific config */
if (mux_state & USB_PD_MUX_USB_ENABLED) {
/* Boost the USB gain */
rv = ps8802_i2c_field_update16(me,
PS8802_REG_PAGE2,
PS8802_REG2_USB_SSEQ_LEVEL,
PS8802_USBEQ_LEVEL_UP_MASK,
PS8802_USBEQ_LEVEL_UP_19DB);
if (rv)
return rv;
}
/* DP specific config */
if (mux_state & USB_PD_MUX_DP_ENABLED) {
/* Boost the DP gain */
rv = ps8802_i2c_field_update8(me,
PS8802_REG_PAGE2,
PS8802_REG2_DPEQ_LEVEL,
PS8802_DPEQ_LEVEL_UP_MASK,
PS8802_DPEQ_LEVEL_UP_19DB);
if (rv)
return rv;
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
} else {
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
}
return rv;
}
/*
* PS8818 set mux board tuning.
* Adds in board specific gain and DP lane count configuration
*/
static int board_ps8818_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
int rv = EC_SUCCESS;
/* USB specific config */
if (mux_state & USB_PD_MUX_USB_ENABLED) {
/* Boost the USB gain */
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX1EQ_10G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX2EQ_10G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX1EQ_5G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX2EQ_5G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
}
/* DP specific config */
if (mux_state & USB_PD_MUX_DP_ENABLED) {
/* Boost the DP gain */
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_DPEQ_LEVEL,
PS8818_DPEQ_LEVEL_UP_MASK,
PS8818_DPEQ_LEVEL_UP_19DB);
if (rv)
return rv;
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
} else {
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
}
return rv;
}
const struct usb_mux usbc1_ps8802 = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PS8802_I2C_ADDR_FLAGS,
.driver = &ps8802_usb_mux_driver,
.board_set = &board_ps8802_mux_set,
};
const struct usb_mux usbc1_ps8818 = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PS8818_I2C_ADDR_FLAGS,
.driver = &ps8818_usb_retimer_driver,
.board_set = &board_ps8818_mux_set,
};
struct usb_mux usbc1_amd_fp5_usb_mux = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_USB_AP_MUX,
.i2c_addr_flags = AMD_FP5_MUX_I2C_ADDR_FLAGS,
.driver = &amd_fp5_usb_mux_driver,
};
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