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50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdbool.h>
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#include "soc/soc_caps.h"
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#include "esp_private/sleep_usb.h"
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#include "esp_attr.h"
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#if SOC_USB_OTG_SUPPORTED && (SOC_PM_SUPPORT_CNNT_PD || SOC_USB_UTMI_PHY_NO_POWER_OFF_ISO)
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#include "hal/usb_utmi_ll.h"
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#include "hal/usb_dwc_ll.h"
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#endif
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#if SOC_USB_OTG_SUPPORTED
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#if SOC_PM_SUPPORT_CNNT_PD
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static bool s_usb_utmi_bus_clock_state, s_usb_utmi_stoppclk_state;
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void sleep_usb_otg_phy_backup_and_disable(void)
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{
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s_usb_utmi_bus_clock_state = _usb_utmi_ll_bus_clock_is_enabled();
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if (!s_usb_utmi_bus_clock_state) {
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_usb_utmi_ll_enable_bus_clock(true);
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}
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s_usb_utmi_stoppclk_state = usb_dwc_ll_get_stoppclk_st(&USB_DWC_HS);
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usb_dwc_ll_set_stoppclk(&USB_DWC_HS, true);
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}
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void sleep_usb_otg_phy_restore(void)
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{
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_usb_utmi_ll_enable_bus_clock(true);
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usb_dwc_ll_set_stoppclk(&USB_DWC_HS, s_usb_utmi_stoppclk_state);
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if (!s_usb_utmi_bus_clock_state) {
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_usb_utmi_ll_enable_bus_clock(false);
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}
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}
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#endif
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#if SOC_USB_UTMI_PHY_NO_POWER_OFF_ISO
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void sleep_usb_suppress_deepsleep_leakage(void)
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{
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if (_usb_utmi_ll_bus_clock_is_enabled()) {
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usb_dwc_ll_gusbcfg_en_hnp_cap(&USB_DWC_HS);
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}
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}
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#endif
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#endif
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