usb_gadget: apply next HAL architecture (hal api + backend)

Change-Id: I47188c554266da93459fd805293d6955ae151aa5

6 files changed, 72 insertions, 67 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7617286..4d65860 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,5 @@ ADD_SUBDIRECTORY(hw/touchscreen)
 ADD_SUBDIRECTORY(hw/ir)
 ADD_SUBDIRECTORY(hw/thermal)
 ADD_SUBDIRECTORY(hw/usb_gadget)
-ADD_SUBDIRECTORY(hw/usb_client)
 ADD_SUBDIRECTORY(hw/board)
 ADD_SUBDIRECTORY(hw/haptic)
diff --git a/hw/usb_client/CMakeLists.txt b/hw/usb_client/CMakeLists.txt
deleted file mode 100644
index 32183ab..0000000
--- a/hw/usb_client/CMakeLists.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
-PROJECT(usb_client C)
-
-SET(PREFIX ${CMAKE_INSTALL_PREFIX})
-
-INCLUDE(FindPkgConfig)
-pkg_check_modules(usb_client_pkgs REQUIRED hwcommon dlog glib-2.0)
-
-FOREACH(flag ${usb_client_pkgs_CFLAGS})
-	SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
-ENDFOREACH(flag)
-
-SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fvisibility=hidden")
-SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
-
-ADD_LIBRARY(${PROJECT_NAME} MODULE usb_client.c)
-TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${usb_client_pkgs_LDFLAGS})
-SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES PREFIX "")
-INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIB_INSTALL_DIR}/hw COMPONENT RuntimeLibraries)
diff --git a/hw/usb_client/usb_client.c b/hw/usb_client/usb_client.c
deleted file mode 100644
index 5b4b61e..0000000
--- a/hw/usb_client/usb_client.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * device-node
- *
- * Copyright (c) 2016 Samsung Electronics Co., 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.
- */
-
-#include <hw/usb_client.h>
-
-HARDWARE_MODULE_STRUCTURE = {
-	.magic = HARDWARE_INFO_TAG,
-	.hal_version = HARDWARE_INFO_VERSION,
-	.device_version = USB_CLIENT_HARDWARE_DEVICE_VERSION,
-	.id = USB_CLIENT_HARDWARE_DEVICE_ID,
-	.name = "legacy-gadget",
-	.open = hw_legacy_gadget_open,
-	.close = hw_legacy_gadget_close,
-};
diff --git a/hw/usb_gadget/CMakeLists.txt b/hw/usb_gadget/CMakeLists.txt
index 039baa4..efebc32 100644
--- a/hw/usb_gadget/CMakeLists.txt
+++ b/hw/usb_gadget/CMakeLists.txt
@@ -1,12 +1,14 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
-PROJECT(usb_gadget C)
+PROJECT(hal-backend-device-usb-gadget C)
 
 SET(PREFIX ${CMAKE_INSTALL_PREFIX})
 
+INCLUDE_DIRECTORIES(../common)
+
 INCLUDE(FindPkgConfig)
-pkg_check_modules(usb_gadget_pkgs REQUIRED hwcommon)
+pkg_check_modules(hal-backend-device-usb-gadget_pkgs REQUIRED dlog hal-backend-device-common)
 
-FOREACH(flag ${usb_gadget_pkgs_CFLAGS})
+FOREACH(flag ${hal-backend-device-usb-gadget_pkgs_CFLAGS})
 	SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
 ENDFOREACH(flag)
 
@@ -14,6 +16,5 @@ SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fvisibility=hidden")
 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
 
 ADD_LIBRARY(${PROJECT_NAME} MODULE usb_gadget.c)
-TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${usb_gadget_pkgs_LDFLAGS})
-SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES PREFIX "")
-INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIB_INSTALL_DIR}/hw COMPONENT RuntimeLibraries)
+TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${hal-backend-device-usb-gadget_pkgs_LDFLAGS})
+INSTALL(TARGETS ${PROJECT_NAME} DESTINATION /hal/lib COMPONENT RuntimeLibraries)
diff --git a/hw/usb_gadget/usb_gadget.c b/hw/usb_gadget/usb_gadget.c
index 2bf9d96..7ff9d71 100644
--- a/hw/usb_gadget/usb_gadget.c
+++ b/hw/usb_gadget/usb_gadget.c
@@ -16,14 +16,68 @@
  * limitations under the License.
  */
 
-#include <hw/usb_gadget.h>
-
-HARDWARE_MODULE_STRUCTURE = {
-	.magic = HARDWARE_INFO_TAG,
-	.hal_version = HARDWARE_INFO_VERSION,
-	.device_version = USB_GADGET_DEVICE_VERSION,
-	.id = USB_GADGET_DEVICE_ID,
-	.name = "simple_translator",
-	.open = simple_translator_open,
-	.close = simple_translator_close,
+#include <errno.h>
+#include <stdlib.h>
+
+#include <hal/hal-common-interface.h>
+#include <hal/device/hal-common-interface.h>
+#include <hal/device/hal-usb_gadget-interface.h>
+
+#include "common.h"
+
+static int usb_gadget_init(void **data)
+{
+	hal_backend_usb_gadget_funcs *usb_gadget_funcs;
+
+	if (!data)
+		return -EINVAL;
+
+	usb_gadget_funcs = calloc(1, sizeof(hal_backend_usb_gadget_funcs));
+	if (!usb_gadget_funcs)
+		return -ENOMEM;
+
+	// usb_gadget_translator
+	if (simple_translator_open(usb_gadget_funcs)) {
+		_E("No USB gadget translator");
+		goto error_translator_open;
+	}
+
+	// usb_client
+	if (hw_legacy_gadget_open(usb_gadget_funcs)) {
+		_I("No USB client");
+		goto error_gadget_open;
+	}
+
+	*data = (void *)usb_gadget_funcs;
+
+	return 0;
+
+error_gadget_open:
+	simple_translator_close(usb_gadget_funcs);
+
+error_translator_open:
+	free(usb_gadget_funcs);
+
+	return -ENODEV;
+}
+
+static int usb_gadget_exit(void *data)
+{
+	hal_backend_usb_gadget_funcs *usb_gadget_funcs = (hal_backend_usb_gadget_funcs *)data;
+
+	if (usb_gadget_funcs) {
+		hw_legacy_gadget_close(usb_gadget_funcs);
+		simple_translator_close(usb_gadget_funcs);
+		free(usb_gadget_funcs);
+	}
+
+	return 0;
+}
+
+hal_backend EXPORT hal_backend_device_usb_gadget_data = {
+	.name = "usb_gadget",
+	.vendor = "SC7730",
+	.abi_version = HAL_ABI_VERSION_TIZEN_6_5,
+	.init = usb_gadget_init,
+	.exit = usb_gadget_exit,
 };
diff --git a/packaging/device-manager-plugin-sc7730.spec b/packaging/device-manager-plugin-sc7730.spec
index f536e98..d2c19d4 100644
--- a/packaging/device-manager-plugin-sc7730.spec
+++ b/packaging/device-manager-plugin-sc7730.spec
@@ -10,12 +10,12 @@ Requires(post):   /sbin/ldconfig
 Requires(postun): /sbin/ldconfig
 BuildRequires:  cmake
 BuildRequires:  pkgconfig(dlog)
-BuildRequires:  pkgconfig(hwcommon)
 BuildRequires:  pkgconfig(glib-2.0)
 BuildRequires:  pkgconfig(libudev)
 BuildRequires:  pkgconfig(hal-api-common)
 BuildRequires:  pkgconfig(hal-api-device)
 BuildRequires:  pkgconfig(libsyscommon)
+BuildRequires:  pkgconfig(hal-backend-device-common)
 
 %description
 Device manager plugin sc7730
@@ -45,7 +45,6 @@ install -m 644 rules/61-video.rules %{buildroot}%{_prefix}/lib/udev/rules.d
 
 %files
 /hal/lib/*.so*
-%{_libdir}/hw/*.so
 %manifest %{name}.manifest
 %license LICENSE.Apache-2.0
 %{_prefix}/lib/udev/rules.d/61-video.rules