diff options
Diffstat (limited to 'board/reef_mchp/usb_pd_policy.c')
-rw-r--r-- | board/reef_mchp/usb_pd_policy.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/board/reef_mchp/usb_pd_policy.c b/board/reef_mchp/usb_pd_policy.c deleted file mode 100644 index 90f44f8580..0000000000 --- a/board/reef_mchp/usb_pd_policy.c +++ /dev/null @@ -1,109 +0,0 @@ -/* Copyright 2016 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 "atomic.h" -#include "extpower.h" -#include "charge_manager.h" -#include "common.h" -#include "console.h" -#include "driver/charger/bd9995x.h" -#include "driver/tcpm/anx74xx.h" -#include "driver/tcpm/ps8xxx.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "registers.h" -#include "system.h" -#include "task.h" -#include "timer.h" -#include "util.h" -#include "usb_mux.h" -#include "usb_pd.h" -#include "usb_pd_tcpm.h" - -#include "tfdp_chip.h" - -#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args) -#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args) - -static uint8_t vbus_en[CONFIG_USB_PD_PORT_MAX_COUNT]; -static uint8_t vbus_rp[CONFIG_USB_PD_PORT_MAX_COUNT] = {TYPEC_RP_1A5, - TYPEC_RP_1A5}; - -int board_vbus_source_enabled(int port) -{ - return vbus_en[port]; -} - -static void board_vbus_update_source_current(int port) -{ - enum gpio_signal gpio = port ? GPIO_USB_C1_5V_EN : GPIO_USB_C0_5V_EN; - int flags = (vbus_rp[port] == TYPEC_RP_1A5 && vbus_en[port]) ? - (GPIO_INPUT | GPIO_PULL_UP) : (GPIO_OUTPUT | GPIO_PULL_UP); - - /* - * Driving USB_Cx_5V_EN high, actually put a 16.5k resistance - * (2x 33k in parallel) on the NX5P3290 load switch ILIM pin, - * setting a minimum OCP current of 3186 mA. - * Putting an internal pull-up on USB_Cx_5V_EN, effectively put a 33k - * resistor on ILIM, setting a minimum OCP current of 1505 mA. - */ - gpio_set_level(gpio, vbus_en[port]); - gpio_set_flags(gpio, flags); -} - -__override void typec_set_source_current_limit(int port, enum tcpc_rp_value rp) -{ - vbus_rp[port] = rp; - - /* change the GPIO driving the load switch if needed */ - board_vbus_update_source_current(port); -} - -int pd_set_power_supply_ready(int port) -{ - /* Ensure we're not charging from this port */ - bd9995x_select_input_port(port, 0); - - /* Ensure we advertise the proper available current quota */ - charge_manager_source_port(port, 1); - - pd_set_vbus_discharge(port, 0); - /* Provide VBUS */ - vbus_en[port] = 1; - board_vbus_update_source_current(port); - - /* notify host of power info change */ - pd_send_host_event(PD_EVENT_POWER_CHANGE); - - return EC_SUCCESS; /* we are ready */ -} - -void pd_power_supply_reset(int port) -{ - int prev_en; - - prev_en = vbus_en[port]; - - /* Disable VBUS */ - vbus_en[port] = 0; - board_vbus_update_source_current(port); - - /* Enable discharge if we were previously sourcing 5V */ - if (prev_en) - pd_set_vbus_discharge(port, 1); - - /* Give back the current quota we are no longer using */ - charge_manager_source_port(port, 0); - - /* notify host of power info change */ - pd_send_host_event(PD_EVENT_POWER_CHANGE); -} - -int pd_check_vconn_swap(int port) -{ - /* in G3, do not allow vconn swap since pp5000_A rail is off */ - return gpio_get_level(GPIO_EN_PP5000); -} |