[Core] Refactor ChibiOS USB endpoints to be fully async (qmk#21656)

tmk_core/protocol/chibios/chibios.c

@@ -192,15 +192,18 @@ void protocol_pre_task(void) {
             /* Remote wakeup */
             if ((USB_DRIVER.status & USB_GETSTATUS_REMOTE_WAKEUP_ENABLED) && suspend_wakeup_condition()) {
                 usbWakeupHost(&USB_DRIVER);
-                restart_usb_driver(&USB_DRIVER);
+#    if USB_SUSPEND_WAKEUP_DELAY > 0
+                // Some hubs, kvm switches, and monitors do
+                // weird things, with USB device state bouncing
+                // around wildly on wakeup, yielding race
+                // conditions that can corrupt the keyboard state.
+                //
+                // Pause for a while to let things settle...
+                wait_ms(USB_SUSPEND_WAKEUP_DELAY);
+#    endif
             }
         }
         /* Woken up */
-        // variables has been already cleared by the wakeup hook
-        send_keyboard_report();
-#    ifdef MOUSEKEY_ENABLE
-        mousekey_send();
-#    endif /* MOUSEKEY_ENABLE */
     }
 #endif
 }
@@ -218,4 +221,5 @@ void protocol_post_task(void) {
 #ifdef RAW_ENABLE
     raw_hid_task();
 #endif
+    usb_idle_task();
 }

tmk_core/protocol/chibios/chibios.mk

@@ -6,6 +6,8 @@ SRC += $(CHIBIOS_DIR)/usb_main.c
 SRC += $(CHIBIOS_DIR)/chibios.c
 SRC += usb_descriptor.c
 SRC += $(CHIBIOS_DIR)/usb_driver.c
+SRC += $(CHIBIOS_DIR)/usb_endpoints.c
+SRC += $(CHIBIOS_DIR)/usb_report_handling.c
 SRC += $(CHIBIOS_DIR)/usb_util.c
 SRC += $(LIBSRC)