Add board API

Change-Id: I4fb066365f42db11e72d74dd879e2969c45878a6
Signed-off-by: Monika Zielinska <m.zielinska3@samsung.com>
Signed-off-by: lokilee73 <changjoo.lee@samsung.com>

3 files changed, 130 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf1e68e..d5b5fee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,3 +15,4 @@ ADD_SUBDIRECTORY(hw/ir)
 ADD_SUBDIRECTORY(hw/thermal)
 ADD_SUBDIRECTORY(hw/usb_gadget)
 ADD_SUBDIRECTORY(hw/usb_client)
+ADD_SUBDIRECTORY(hw/board)
diff --git a/hw/board/CMakeLists.txt b/hw/board/CMakeLists.txt
new file mode 100755
index 0000000..ef3052b
--- /dev/null
+++ b/hw/board/CMakeLists.txt
@@ -0,0 +1,19 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+PROJECT(board C)
+
+SET(PREFIX ${CMAKE_INSTALL_PREFIX})
+
+INCLUDE(FindPkgConfig)
+pkg_check_modules(usb_gadget_pkgs REQUIRED hwcommon dlog)
+
+FOREACH(flag ${usb_gadget_pkgs_CFLAGS})
+	SET(EXTRA_CFLAGS "${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 board.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)
diff --git a/hw/board/board.c b/hw/board/board.c
new file mode 100755
index 0000000..175cb2e
--- /dev/null
+++ b/hw/board/board.c
@@ -0,0 +1,110 @@
+/*
+ * libdevice-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.
+ */
+
+#define _GNU_SOURCE
+#include <hw/board.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <hw/shared.h>
+
+#define CPUINFO_PATH "/proc/cpuinfo"
+#define SERIAL_TAG "Serial"
+#define LINE_LEN 64
+
+static int get_device_serial(char **out)
+{
+	FILE *fp;
+	char line[LINE_LEN], *p, *q;
+
+	fp = fopen(CPUINFO_PATH, "r");
+	if (!fp)
+		return -1;
+
+	while ((p = fgets(line, sizeof(line), fp)) != NULL) {
+		p = strchr(p, '\t');
+		if (!p)
+			continue;
+
+		*p = '\0';
+
+		if (strncmp(line, SERIAL_TAG, sizeof(line)) != 0)
+			continue;
+
+		++p;
+		p = strchr(p, ':');
+		if (!p)
+			continue;
+		p += 2;
+
+		q = strchrnul(p, '\n');
+		*q = '\0';
+		*out = strdup(p);
+		if (!out)
+			_E("Out of memory, strdup failed");
+		fclose(fp);
+		return 0;
+	}
+
+	fclose(fp);
+	return -1;
+}
+
+static int board_open(struct hw_info *info,
+		const char *id, struct hw_common **common)
+{
+	struct hw_board *b;
+
+	if (!info || !common)
+		return -EINVAL;
+
+	b = calloc(1, sizeof(*b));
+	if (!b)
+		return -ENOMEM;
+
+	b->common.info = info;
+	b->get_device_serial = get_device_serial;
+
+	*common = &b->common;
+	return 0;
+}
+
+static int board_close(struct hw_common *common)
+{
+	struct hw_board *b;
+
+	if (!common)
+		return -EINVAL;
+
+	b = container_of(common, struct hw_board, common);
+	free(b);
+
+	return 0;
+}
+
+HARDWARE_MODULE_STRUCTURE = {
+	.magic = HARDWARE_INFO_TAG,
+	.hal_version = HARDWARE_INFO_VERSION,
+	.device_version = BOARD_HARDWARE_DEVICE_VERSION,
+	.id = BOARD_HARDWARE_DEVICE_ID,
+	.name = "device",
+	.open = board_open,
+	.close = board_close,
+};