diff options
Diffstat (limited to 'zephyr/program/corsola/src/usbc_config.c')
| -rw-r--r-- | zephyr/program/corsola/src/usbc_config.c | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/zephyr/program/corsola/src/usbc_config.c b/zephyr/program/corsola/src/usbc_config.c deleted file mode 100644 index 93eb72a48f..0000000000 --- a/zephyr/program/corsola/src/usbc_config.c +++ /dev/null @@ -1,247 +0,0 @@ -/* Copyright 2021 The ChromiumOS Authors - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Corsola baseboard-specific USB-C configuration */ - -#include "adc.h" -#include "baseboard_usbc_config.h" -#include "button.h" -#include "charge_state_v2.h" -#include "charger.h" -#include "console.h" -#include "ec_commands.h" -#include "extpower.h" -#include "gpio/gpio_int.h" -#include "hooks.h" -#include "i2c.h" -#include "lid_switch.h" -#include "power.h" -#include "power_button.h" -#include "ppc/syv682x_public.h" -#include "spi.h" -#include "switch.h" -#include "tablet_mode.h" -#include "task.h" -#include "uart.h" -#include "usb_charge.h" -#include "usb_mux.h" -#include "usb_pd_tcpm.h" -#include "usb_tc_sm.h" -#include "usbc/usb_muxes.h" -#include "usbc_ppc.h" -#include "variant_db_detection.h" - -#include <zephyr/drivers/gpio.h> - -#include <ap_power/ap_power.h> - -#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args) -#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ##args) - -/* a flag for indicating the tasks are inited. */ -static bool tasks_inited; - -/* Baseboard */ -static void baseboard_init(void) -{ -#ifdef CONFIG_VARIANT_CORSOLA_USBA - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usba)); -#endif - /* If CCD mode has enabled before init, force the ccd_interrupt. */ - if (!gpio_pin_get_dt(GPIO_DT_FROM_NODELABEL(gpio_ccd_mode_odl))) { - ccd_interrupt(GPIO_CCD_MODE_ODL); - } - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_ccd_mode_odl)); -} -DECLARE_HOOK(HOOK_INIT, baseboard_init, HOOK_PRIO_PRE_DEFAULT); - -__override uint8_t board_get_usb_pd_port_count(void) -{ - /* This function returns the PORT_COUNT+1 when HDMI db is connected. - * This is a trick to ensure the usb_mux_set being set properley. - * HDMI display functions using the USB virtual mux to * communicate - * with the DP bridge. - */ - if (corsola_get_db_type() == CORSOLA_DB_HDMI) { - if (tasks_inited) { - return CONFIG_USB_PD_PORT_MAX_COUNT; - } else { - return CONFIG_USB_PD_PORT_MAX_COUNT - 1; - } - } else if (corsola_get_db_type() == CORSOLA_DB_NONE) { - return CONFIG_USB_PD_PORT_MAX_COUNT - 1; - } - - return CONFIG_USB_PD_PORT_MAX_COUNT; -} - -uint8_t board_get_adjusted_usb_pd_port_count(void) -{ - if (corsola_get_db_type() == CORSOLA_DB_TYPEC) { - return CONFIG_USB_PD_PORT_MAX_COUNT; - } else { - return CONFIG_USB_PD_PORT_MAX_COUNT - 1; - } -} - -/* USB-A */ -void usb_a0_interrupt(enum gpio_signal signal) -{ - enum usb_charge_mode mode = gpio_pin_get_dt(GPIO_DT_FROM_NODELABEL( - gpio_ap_xhci_init_done)) ? - USB_CHARGE_MODE_ENABLED : - USB_CHARGE_MODE_DISABLED; - - const int xhci_stat = gpio_get_level(signal); - - for (int i = 0; i < USB_PORT_COUNT; i++) { - usb_charge_set_mode(i, mode, USB_ALLOW_SUSPEND_CHARGE); - } - - for (int i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { - /* - * Enable DRP toggle after XHCI inited. This is used to follow - * USB 3.2 spec 10.3.1.1. - */ - if (xhci_stat) { - pd_set_dual_role(i, PD_DRP_TOGGLE_ON); - } else if (tc_is_attached_src(i)) { - /* - * This is a AP reset S0->S0 transition. - * We should set the role back to sink. - */ - pd_set_dual_role(i, PD_DRP_FORCE_SINK); - } - } -} - -__override enum pd_dual_role_states pd_get_drp_state_in_s0(void) -{ - if (gpio_pin_get_dt(GPIO_DT_FROM_NODELABEL(gpio_ap_xhci_init_done))) { - return PD_DRP_TOGGLE_ON; - } else { - return PD_DRP_FORCE_SINK; - } -} - -void board_pd_vconn_ctrl(int port, enum usbpd_cc_pin cc_pin, int enabled) -{ - /* - * We ignore the cc_pin and PPC vconn because polarity and PPC vconn - * should already be set correctly in the PPC driver via the pd - * state machine. - */ -} - -/* HDMI/TYPE-C function shared subboard interrupt */ -void x_ec_interrupt(enum gpio_signal signal) -{ - int sub = corsola_get_db_type(); - - if (sub == CORSOLA_DB_TYPEC) { - /* C1: PPC interrupt */ - ppc_interrupt(signal); - } else if (sub == CORSOLA_DB_HDMI) { - hdmi_hpd_interrupt(signal); - } else { - CPRINTS("Undetected subboard interrupt."); - } -} - -static void board_hdmi_handler(struct ap_power_ev_callback *cb, - struct ap_power_ev_data data) -{ - int value; - - switch (data.event) { - default: - return; - - case AP_POWER_RESUME: - value = 1; - break; - - case AP_POWER_SUSPEND: - value = 0; - break; - } - gpio_pin_set_dt(GPIO_DT_FROM_ALIAS(gpio_en_hdmi_pwr), value); - gpio_pin_set_dt(GPIO_DT_FROM_ALIAS(gpio_ps185_pwrdn_odl), value); -} - -static void tasks_init_deferred(void) -{ - tasks_inited = true; - if (corsola_get_db_type() == CORSOLA_DB_HDMI) { - /* If the HDMI port is plugged on-boot, and the usb_mux won't - * be configured before the task inited. Re-invoke the - * HPD configuration after task inited. - */ - ps185_hdmi_hpd_mux_set(); - } -} -DECLARE_DEFERRED(tasks_init_deferred); - -static void baseboard_x_ec_gpio2_init(void) -{ - static struct ppc_drv virtual_ppc_drv = { 0 }; - static struct tcpm_drv virtual_tcpc_drv = { 0 }; - static struct bc12_drv virtual_bc12_drv = { 0 }; - - /* no sub board */ - if (corsola_get_db_type() == CORSOLA_DB_NONE) { - return; - } - - /* type-c: USB_C1_PPC_INT_ODL / hdmi: PS185_EC_DP_HPD */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_x_ec_gpio2)); - - if (corsola_get_db_type() == CORSOLA_DB_TYPEC) { - gpio_pin_interrupt_configure_dt( - GPIO_DT_FROM_ALIAS(gpio_usb_c1_ppc_int_odl), - GPIO_INT_EDGE_FALLING); - return; - } - if (corsola_get_db_type() == CORSOLA_DB_HDMI) { - static struct ap_power_ev_callback cb; - - ap_power_ev_init_callback(&cb, board_hdmi_handler, - AP_POWER_RESUME | AP_POWER_SUSPEND); - ap_power_ev_add_callback(&cb); - } - - /* drop related C1 port drivers when it's a HDMI DB. */ - ppc_chips[USBC_PORT_C1] = - (const struct ppc_config_t){ .drv = &virtual_ppc_drv }; - tcpc_config[USBC_PORT_C1] = - (const struct tcpc_config_t){ .drv = &virtual_tcpc_drv }; - bc12_ports[USBC_PORT_C1] = - (const struct bc12_config){ .drv = &virtual_bc12_drv }; - /* Use virtual mux to notify AP the mainlink direction. */ - USB_MUX_ENABLE_ALTERNATIVE(usb_mux_chain_1_hdmi_db); - - /* - * If a HDMI DB is attached, C1 port tasks will be exiting in that - * the port number is larger than board_get_usb_pd_port_count(). - * After C1 port tasks finished, we intentionally increase the port - * count by 1 for usb_mux to access the C1 virtual mux for notifying - * mainlink direction. - */ - hook_call_deferred(&tasks_init_deferred_data, 2 * SECOND); -} -DECLARE_HOOK(HOOK_INIT, baseboard_x_ec_gpio2_init, HOOK_PRIO_DEFAULT); - -__override uint8_t get_dp_pin_mode(int port) -{ - if (corsola_get_db_type() == CORSOLA_DB_HDMI && port == USBC_PORT_C1) { - if (usb_mux_get(USBC_PORT_C1) & USB_PD_MUX_DP_ENABLED) { - return MODE_DP_PIN_E; - } else { - return 0; - } - } - - return pd_dfp_dp_get_pin_mode(port, dp_status[port]); -} |