Add board API

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf1e68e..d5b5fee 100644 (file)
--- 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 (executable)
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 (executable)
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,
+};