1 /*
2  * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #include <stdbool.h>
8 #include "soc/soc_caps.h"
9 #include "esp_private/sleep_console.h"
10 #include "esp_attr.h"
11 
12 #if SOC_USB_SERIAL_JTAG_SUPPORTED
13 #include "hal/usb_serial_jtag_ll.h"
14 
15 static sleep_console_usj_enable_state_t s_usj_state = {0};
16 
sleep_console_usj_pad_backup_and_disable(void)17 void sleep_console_usj_pad_backup_and_disable(void)
18 {
19     s_usj_state.usj_clock_enabled = usb_serial_jtag_ll_module_is_enabled();
20     if (!s_usj_state.usj_clock_enabled) {
21         // Enable USJ clock and clear reset
22         usb_serial_jtag_ll_enable_bus_clock(true);
23         usb_serial_jtag_ll_reset_register();
24     }
25     s_usj_state.usj_pad_enabled = usb_serial_jtag_ll_phy_is_pad_enabled();
26     usb_serial_jtag_ll_phy_enable_pad(false);
27     // Disable USJ clock
28     usb_serial_jtag_ll_enable_bus_clock(false);
29 }
30 
sleep_console_usj_pad_restore(void)31 void sleep_console_usj_pad_restore(void)
32 {
33     usb_serial_jtag_ll_enable_bus_clock(true);
34     usb_serial_jtag_ll_phy_enable_pad(s_usj_state.usj_pad_enabled);
35     if (!s_usj_state.usj_clock_enabled) {
36         usb_serial_jtag_ll_enable_bus_clock(false);
37     }
38 }
39 #endif
40