diff options
Diffstat (limited to 'zephyr/program/trogdor/lazor/src/usbc_config.c')
| -rw-r--r-- | zephyr/program/trogdor/lazor/src/usbc_config.c | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/zephyr/program/trogdor/lazor/src/usbc_config.c b/zephyr/program/trogdor/lazor/src/usbc_config.c deleted file mode 100644 index d7d5ca2cc1..0000000000 --- a/zephyr/program/trogdor/lazor/src/usbc_config.c +++ /dev/null @@ -1,334 +0,0 @@ -/* Copyright 2022 The ChromiumOS Authors - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Lazor board-specific USB-C configuration */ - -#include "battery_fuel_gauge.h" -#include "bc12/pi3usb9201_public.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "charger.h" -#include "charger/isl923x_public.h" -#include "common.h" -#include "config.h" -#include "driver/ln9310.h" -#include "gpio/gpio_int.h" -#include "gpio_signal.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_mux.h" -#include "usb_pd.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) - -int charger_profile_override(struct charge_state_data *curr) -{ - int usb_mv; - int port; - - if (curr->state != ST_CHARGE) - return 0; - - /* Lower the max requested voltage to 5V when battery is full. */ - if (chipset_in_state(CHIPSET_STATE_ANY_OFF) && - !(curr->batt.flags & BATT_FLAG_BAD_STATUS) && - !(curr->batt.flags & BATT_FLAG_WANT_CHARGE) && - (curr->batt.status & STATUS_FULLY_CHARGED)) - usb_mv = 5000; - else - usb_mv = PD_MAX_VOLTAGE_MV; - - if (pd_get_max_voltage() != usb_mv) { - CPRINTS("VBUS limited to %dmV", usb_mv); - for (port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; port++) - pd_set_external_voltage_limit(port, usb_mv); - } - - return 0; -} - -enum ec_status charger_profile_override_get_param(uint32_t param, - uint32_t *value) -{ - return EC_RES_INVALID_PARAM; -} - -enum ec_status charger_profile_override_set_param(uint32_t param, - uint32_t value) -{ - return EC_RES_INVALID_PARAM; -} - -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_pin_get_dt(GPIO_DT_FROM_NODELABEL(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_SIGNAL(DT_NODELABEL(gpio_usb_c0_swctl_int_odl)): - sn5s330_interrupt(0); - break; - case GPIO_SIGNAL(DT_NODELABEL(gpio_usb_c1_swctl_int_odl)): - sn5s330_interrupt(1); - break; - default: - break; - } -} - -static void board_connect_c0_sbu_deferred(void) -{ - /* - * If CCD_MODE_ODL asserts, it means there's a debug accessory connected - * and we should enable the SBU FETs. - */ - ppc_set_sbu(0, 1); -} -DECLARE_DEFERRED(board_connect_c0_sbu_deferred); - -void board_connect_c0_sbu(enum gpio_signal s) -{ - hook_call_deferred(&board_connect_c0_sbu_deferred_data, 0); -} - -/* 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); -} - -/* - * 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_chain usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .mux = - &(const struct usb_mux){ - .usb_port = 0, - .driver = &tcpci_tcpm_usb_mux_driver, - .hpd_update = &ps8xxx_tcpc_update_hpd_status, - }, - }, - { - .mux = - &(const struct usb_mux){ - .usb_port = 1, - .driver = &tcpci_tcpm_usb_mux_driver, - .hpd_update = &ps8xxx_tcpc_update_hpd_status, - }, - } -}; - -__override int board_get_default_battery_type(void) -{ - /* - * A 2S battery is set as default. If the board is configured to use - * a 3S battery, according to its SKU_ID, return a 3S battery as - * default. It helps to configure the charger to output a correct - * voltage in case the battery is not attached. - */ - if (board_get_battery_cell_type() == BATTERY_CELL_TYPE_3S) - return BATTERY_LGC_AP18C8K; - - return DEFAULT_BATTERY_TYPE; -} - -/* Initialize board USC-C things */ -static void board_init_usbc(void) -{ - /* Enable USB-A overcurrent interrupt */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_a0_oc)); - /* - * The H1 SBU line for CCD are behind PPC chip. The PPC internal FETs - * for SBU may be disconnected after DP alt mode is off. Should enable - * the CCD_MODE_ODL interrupt to make sure the SBU FETs are connected. - */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_ccd_mode)); -} -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_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c0_swctl)); - - /* Enable TCPC interrupts */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c0_tcpc)); - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c1_tcpc)); - - /* - * 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_POST_I2C); - -void board_reset_pd_mcu(void) -{ - cprints(CC_USB, "Resetting TCPCs..."); - cflush(); - - gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_usb_c0_pd_rst_l), 0); - gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_usb_c1_pd_rst_l), 0); - msleep(PS8XXX_RESET_DELAY_MS); - gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_usb_c0_pd_rst_l), 1); - gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_usb_c1_pd_rst_l), 1); -} - -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; -} - -__override 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(charge_ma, charge_mv); -} - -uint16_t tcpc_get_alert_status(void) -{ - uint16_t status = 0; - - if (!gpio_pin_get_dt(GPIO_DT_FROM_NODELABEL(gpio_usb_c0_pd_int_odl))) - if (gpio_pin_get_dt( - GPIO_DT_FROM_NODELABEL(gpio_usb_c0_pd_rst_l))) - status |= PD_STATUS_TCPC_ALERT_0; - if (!gpio_pin_get_dt(GPIO_DT_FROM_NODELABEL(gpio_usb_c1_pd_int_odl))) - if (gpio_pin_get_dt( - GPIO_DT_FROM_NODELABEL(gpio_usb_c1_pd_rst_l))) - status |= PD_STATUS_TCPC_ALERT_1; - - return status; -} |