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Diffstat (limited to 'board/trogdor/usbc_config.c')
| -rw-r--r-- | board/trogdor/usbc_config.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/board/trogdor/usbc_config.c b/board/trogdor/usbc_config.c deleted file mode 100644 index dddc1d87a6..0000000000 --- a/board/trogdor/usbc_config.c +++ /dev/null @@ -1,319 +0,0 @@ -/* Copyright 2021 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. - */ - -/* Trogdor board-specific USB-C configuration */ - -#include "bc12/pi3usb9201_public.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "common.h" -#include "config.h" -#include "gpio.h" -#include "hooks.h" -#include "ppc/sn5s330_public.h" -#include "system.h" -#include "tcpm/ps8xxx_public.h" -#include "tcpm/tcpci.h" -#include "timer.h" -#include "usb_pd.h" -#include "usbc_config.h" -#include "usb_mux.h" -#include "usbc_ocp.h" -#include "usbc_ppc.h" - -#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) -#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) - -/* GPIO Interrupt Handlers */ -void tcpc_alert_event(enum gpio_signal signal) -{ - int port = -1; - - switch (signal) { - case GPIO_USB_C0_PD_INT_ODL: - port = 0; - break; - case GPIO_USB_C1_PD_INT_ODL: - port = 1; - break; - default: - return; - } - - schedule_deferred_pd_interrupt(port); -} - -void usb0_evt(enum gpio_signal signal) -{ - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12); -} - -void usb1_evt(enum gpio_signal signal) -{ - task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12); -} - -static void usba_oc_deferred(void) -{ - /* Use next number after all USB-C ports to indicate the USB-A port */ - board_overcurrent_event(CONFIG_USB_PD_PORT_MAX_COUNT, - !gpio_get_level(GPIO_USB_A0_OC_ODL)); -} -DECLARE_DEFERRED(usba_oc_deferred); - -void usba_oc_interrupt(enum gpio_signal signal) -{ - hook_call_deferred(&usba_oc_deferred_data, 0); -} - -void ppc_interrupt(enum gpio_signal signal) -{ - switch (signal) { - case GPIO_USB_C0_SWCTL_INT_ODL: - sn5s330_interrupt(0); - break; - case GPIO_USB_C1_SWCTL_INT_ODL: - sn5s330_interrupt(1); - break; - default: - break; - } -} - -/* Power Path Controller */ -struct ppc_config_t ppc_chips[] = { - { - .i2c_port = I2C_PORT_TCPC0, - .i2c_addr_flags = SN5S330_ADDR0_FLAGS, - .drv = &sn5s330_drv - }, - { - .i2c_port = I2C_PORT_TCPC1, - .i2c_addr_flags = SN5S330_ADDR0_FLAGS, - .drv = &sn5s330_drv - }, -}; -unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips); - -/* TCPC mux configuration */ -const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_TCPC0, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - }, - .drv = &ps8xxx_tcpm_drv, - }, - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_TCPC1, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - }, - .drv = &ps8xxx_tcpm_drv, - }, -}; - -/* - * Port-0/1 USB mux driver. - * - * The USB mux is handled by TCPC chip and the HPD update is through a GPIO - * to AP. But the TCPC chip is also needed to know the HPD status; otherwise, - * the mux misbehaves. - */ -const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .usb_port = 0, - .driver = &tcpci_tcpm_usb_mux_driver, - .hpd_update = &ps8xxx_tcpc_update_hpd_status, - }, - { - .usb_port = 1, - .driver = &tcpci_tcpm_usb_mux_driver, - .hpd_update = &ps8xxx_tcpc_update_hpd_status, - } -}; - -const int usb_port_enable[USB_PORT_COUNT] = { - GPIO_EN_USB_A_5V, -}; - -/* BC1.2 */ -const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = { - { - .i2c_port = I2C_PORT_POWER, - .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, - }, - { - .i2c_port = I2C_PORT_EEPROM, - .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, - }, -}; - -/* Initialize board USC-C things */ -static void board_init_usbc(void) -{ - /* Enable BC1.2 interrupts */ - gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L); - gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L); - - /* Enable USB-A overcurrent interrupt */ - gpio_enable_interrupt(GPIO_USB_A0_OC_ODL); -} -DECLARE_HOOK(HOOK_INIT, board_init_usbc, HOOK_PRIO_DEFAULT); - -void board_tcpc_init(void) -{ - /* Only reset TCPC if not sysjump */ - if (!system_jumped_late()) { - /* TODO(crosbug.com/p/61098): How long do we need to wait? */ - board_reset_pd_mcu(); - } - - /* Enable PPC interrupts */ - gpio_enable_interrupt(GPIO_USB_C0_SWCTL_INT_ODL); - - /* Enable TCPC interrupts */ - gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); - gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL); - - /* - * Initialize HPD to low; after sysjump SOC needs to see - * HPD pulse to enable video path - */ - for (int port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; ++port) - usb_mux_hpd_update(port, USB_PD_MUX_HPD_LVL_DEASSERTED | - USB_PD_MUX_HPD_IRQ_DEASSERTED); -} -DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C + 1); - -void board_reset_pd_mcu(void) -{ - cprints(CC_USB, "Resetting TCPCs..."); - cflush(); - - gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); - gpio_set_level(GPIO_USB_C1_PD_RST_L, 0); - msleep(PS8XXX_RESET_DELAY_MS); - gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); - gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); - msleep(PS8805_FW_INIT_DELAY_MS); -} - -void board_set_tcpc_power_mode(int port, int mode) -{ - /* Ignore the "mode" to turn the chip on. We can only do a reset. */ - if (mode) - return; - - board_reset_pd_mcu(); -} - -int board_vbus_sink_enable(int port, int enable) -{ - /* Both ports are controlled by PPC SN5S330 */ - return ppc_vbus_sink_enable(port, enable); -} - -int board_is_sourcing_vbus(int port) -{ - /* Both ports are controlled by PPC SN5S330 */ - return ppc_is_sourcing_vbus(port); -} - -void board_overcurrent_event(int port, int is_overcurrented) -{ - /* TODO(b/120231371): Notify AP */ - CPRINTS("p%d: overcurrent!", port); -} - -int board_set_active_charge_port(int port) -{ - int is_real_port = (port >= 0 && - port < CONFIG_USB_PD_PORT_MAX_COUNT); - int i; - - if (!is_real_port && port != CHARGE_PORT_NONE) - return EC_ERROR_INVAL; - - if (port == CHARGE_PORT_NONE) { - CPRINTS("Disabling all charging port"); - - /* Disable all ports. */ - for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { - /* - * Do not return early if one fails otherwise we can - * get into a boot loop assertion failure. - */ - if (board_vbus_sink_enable(i, 0)) - CPRINTS("Disabling p%d sink path failed.", i); - } - - return EC_SUCCESS; - } - - /* Check if the port is sourcing VBUS. */ - if (board_is_sourcing_vbus(port)) { - CPRINTS("Skip enable p%d", port); - return EC_ERROR_INVAL; - } - - - CPRINTS("New charge port: p%d", port); - - /* - * Turn off the other ports' sink path FETs, before enabling the - * requested charge port. - */ - for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { - if (i == port) - continue; - - if (board_vbus_sink_enable(i, 0)) - CPRINTS("p%d: sink path disable failed.", i); - } - - /* Enable requested charge port. */ - if (board_vbus_sink_enable(port, 1)) { - CPRINTS("p%d: sink path enable failed.", port); - return EC_ERROR_UNKNOWN; - } - - return EC_SUCCESS; -} - -void board_set_charge_limit(int port, int supplier, int charge_ma, - int max_ma, int charge_mv) -{ - /* - * Ignore lower charge ceiling on PD transition if our battery is - * critical, as we may brownout. - */ - if (supplier == CHARGE_SUPPLIER_PD && - charge_ma < 1500 && - charge_get_percent() < CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON) { - CPRINTS("Using max ilim %d", max_ma); - charge_ma = max_ma; - } - - charge_set_input_current_limit(MAX(charge_ma, - CONFIG_CHARGER_INPUT_CURRENT), - charge_mv); -} - -uint16_t tcpc_get_alert_status(void) -{ - uint16_t status = 0; - - if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) - if (gpio_get_level(GPIO_USB_C0_PD_RST_L)) - status |= PD_STATUS_TCPC_ALERT_0; - if (!gpio_get_level(GPIO_USB_C1_PD_INT_ODL)) - if (gpio_get_level(GPIO_USB_C1_PD_RST_L)) - status |= PD_STATUS_TCPC_ALERT_1; - - return status; -} |