usb_host: Rename struct/ll/hal files to use "usb_dwc" prefix

This commit updates the DWC_OTG based struct/ll/hal file names to
use the prefix "usb_dwc". This naming scheme reduces ambiguity if
another USB controller implementation is added.

As a result, "hcd.c" has been renamed to "hcd_dwc.c"

components/hal/CMakeLists.txt

@@ -126,7 +126,7 @@ if(NOT BOOTLOADER_BUILD)
                     "esp32s2/cp_dma_hal.c"
                     "esp32s2/touch_sensor_hal.c"
                     "esp32s2/dac_hal.c"
-                    "usbh_hal.c")
+                    "usb_dwc_hal.c")
     endif()
 
     if(${target} STREQUAL "esp32s3")
@@ -143,7 +143,7 @@ if(NOT BOOTLOADER_BUILD)
             "esp32s3/hmac_hal.c"
             "esp32s3/touch_sensor_hal.c"
             "esp32s3/rtc_cntl_hal.c"
-            "usbh_hal.c")
+            "usb_dwc_hal.c")
     endif()
 
     if(${target} STREQUAL "esp32c3")

components/hal/include/hal/usb_dwc_hal.h

@@ -17,8 +17,8 @@ NOTE: Thread safety is the responsibility fo the HAL user. All USB Host HAL
 
 #include <stdlib.h>
 #include <stddef.h>
-#include "soc/usbh_struct.h"
-#include "hal/usbh_ll.h"
+#include "soc/usb_dwc_struct.h"
+#include "hal/usb_dwc_ll.h"
 #include "hal/usb_types_private.h"
 #include "hal/assert.h"
 

components/hal/include/hal/usb_dwc_ll.h

@@ -12,7 +12,7 @@ extern "C" {
 
 #include <stdint.h>
 #include <stdbool.h>
-#include "soc/usbh_struct.h"
+#include "soc/usb_dwc_struct.h"
 #include "hal/usb_types_private.h"
 #include "hal/misc.h"
 

components/hal/usb_dwc_hal.c

@@ -8,8 +8,8 @@
 #include <stdint.h>
 #include <string.h>
 #include "sdkconfig.h"
-#include "hal/usbh_hal.h"
-#include "hal/usbh_ll.h"
+#include "hal/usb_dwc_hal.h"
+#include "hal/usb_dwc_ll.h"
 #include "hal/assert.h"
 
 // ------------------------------------------------ Macros and Types ---------------------------------------------------

components/soc/esp32s2/include/soc/usb_dwc_struct.h

@@ -1,16 +1,8 @@
-// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #pragma once
 

components/soc/esp32s3/include/soc/usb_dwc_struct.h

@@ -1,16 +1,8 @@
-// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #pragma once
 

components/usb/CMakeLists.txt

@@ -7,7 +7,7 @@ set(priv_include)
 set(priv_require driver) # usb_phy driver relies on gpio driver API
 
 if(CONFIG_USB_OTG_SUPPORTED)
-    list(APPEND srcs "hcd.c"
+    list(APPEND srcs "hcd_dwc.c"
                      "hub.c"
                      "usb_helpers.c"
                      "usb_host.c"

components/usb/hcd_dwc.c

@@ -14,7 +14,7 @@
 #include "esp_intr_alloc.h"
 #include "esp_err.h"
 #include "esp_rom_gpio.h"
-#include "hal/usbh_hal.h"
+#include "hal/usb_dwc_hal.h"
 #include "hal/usb_types_private.h"
 #include "soc/gpio_pins.h"
 #include "soc/gpio_sig_map.h"