diff options
Diffstat (limited to 'board/poppy/usb_pd_policy.c')
-rw-r--r-- | board/poppy/usb_pd_policy.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/board/poppy/usb_pd_policy.c b/board/poppy/usb_pd_policy.c deleted file mode 100644 index a32b77bbe7..0000000000 --- a/board/poppy/usb_pd_policy.c +++ /dev/null @@ -1,145 +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/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" - -#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_5v_en = port ? GPIO_USB_C1_5V_EN : - GPIO_USB_C0_5V_EN; - enum gpio_signal gpio_3a_en = port ? GPIO_USB_C1_3A_EN : - GPIO_USB_C0_3A_EN; - - if (system_get_board_version() >= 1) { - /* - * For rev1 and beyond, 1.5 vs 3.0 A limit is controlled by a - * dedicated gpio where high = 3.0A and low = 1.5A. VBUS on/off - * is controlled by GPIO_USB_C0/1_5V_EN. Both of these signals - * can remain outputs. - */ - gpio_set_level(gpio_3a_en, vbus_rp[port] == TYPEC_RP_3A0 ? - 1 : 0); - gpio_set_level(gpio_5v_en, vbus_en[port]); - } else { - /* - * 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. - */ - int flags = (vbus_rp[port] == TYPEC_RP_1A5 && vbus_en[port]) ? - (GPIO_INPUT | GPIO_PULL_UP) : - (GPIO_OUTPUT | GPIO_PULL_UP); - gpio_set_level(gpio_5v_en, vbus_en[port]); - gpio_set_flags(gpio_5v_en, flags); - } -} - -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) -{ - /* Disable charging */ - gpio_set_level(port ? GPIO_USB_C1_CHARGE_L : - GPIO_USB_C0_CHARGE_L, 1); - - /* Ensure we advertise the proper available current quota */ - charge_manager_source_port(port, 1); - - /* Provide VBUS */ - vbus_en[port] = 1; - board_vbus_update_source_current(port); - - if (system_get_board_version() >= 2) - pd_set_vbus_discharge(port, 0); - - /* 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 (system_get_board_version() >= 2 && 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_snk_is_vbus_provided(int port) -{ - return !gpio_get_level(port ? GPIO_USB_C1_VBUS_WAKE_L : - GPIO_USB_C0_VBUS_WAKE_L); -} - -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_PMIC_SLP_SUS_L); -} - -__override void pd_execute_data_swap(int port, - enum pd_data_role data_role) -{ - /* Only port 0 supports device mode. */ - if (port != 0) - return; - - gpio_set_level(GPIO_USB2_OTG_ID, - (data_role == PD_ROLE_UFP) ? 1 : 0); - gpio_set_level(GPIO_USB2_OTG_VBUSSENSE, - (data_role == PD_ROLE_UFP) ? 1 : 0); -} |