diff options
| -rw-r--r-- | CMakeLists.txt | 21 | ||||
| -rw-r--r-- | hw/backlight.h | 59 | ||||
| -rw-r--r-- | hw/common.c | 82 | ||||
| -rw-r--r-- | hw/common.h | 78 | ||||
| -rw-r--r-- | hwcommon.pc.in | 11 | ||||
| -rw-r--r-- | packaging/libdevice-node.spec | 1 |
6 files changed, 251 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 677c5e6..6cfcdaf 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -8,6 +8,7 @@ SET(INCLUDEDIR "${PREFIX}/include/${PROJECT_NAME}") SET(VERSION 0.1) SET(INC_DIR include) +INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}) INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/${INC_DIR}) INCLUDE(FindPkgConfig) @@ -25,18 +26,29 @@ SET(HEADERS include/device-node.h include/devman_plugin_intf.h) +SET(HW_HEADERS + hw/common.h + hw/backlight.h) + INCLUDE(devices/CMakeLists.txt) SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fvisibility=hidden") SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -g") -SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -Werror") +SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -Werror -Wno-unused-variable -Wno-unused-function") SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}") +ADD_DEFINITIONS("-DLIBPATH=\"${LIB_INSTALL_DIR}\"") + ADD_LIBRARY(${PROJECT_NAME} SHARED ${SRCS} ${TARGET_SRCS}) TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${rpkgs_LDFLAGS} "-ldl") SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES SOVERSION ${VERSION}) INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIB_INSTALL_DIR} COMPONENT RuntimeLibraries) +ADD_LIBRARY(hwcommon SHARED hw/common.c) +TARGET_LINK_LIBRARIES(hwcommon ${rpkgs_LDFLAGS}) +SET_TARGET_PROPERTIES(hwcommon PROPERTIES SOVERSION ${VERSION}) +INSTALL(TARGETS hwcommon DESTINATION ${LIB_INSTALL_DIR} COMPONENT RuntimeLibraries) + CONFIGURE_FILE(${PROJECT_NAME}.pc.in ${PROJECT_NAME}.pc @ONLY) INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc DESTINATION ${LIB_INSTALL_DIR}/pkgconfig) @@ -47,3 +59,10 @@ INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/devman_plugin.pc DESTINATION ${LIB_INS FOREACH(hfile ${HEADERS}) INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${hfile} DESTINATION include/${PROJECT_NAME}) ENDFOREACH(hfile) + +FOREACH(hfile ${HW_HEADERS}) + INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${hfile} DESTINATION include/hw) +ENDFOREACH(hfile) + +CONFIGURE_FILE(hwcommon.pc.in hwcommon.pc @ONLY) +INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/hwcommon.pc DESTINATION ${LIB_INSTALL_DIR}/pkgconfig) diff --git a/hw/backlight.h b/hw/backlight.h new file mode 100644 index 0000000..c795343 --- /dev/null +++ b/hw/backlight.h @@ -0,0 +1,59 @@ +/* + * libdevice-node + * + * Copyright (c) 2015 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. + */ + + +#ifndef __HW_BACKLIGHT_H__ +#define __HW_BACKLIGHT_H__ + +#include <hw/common.h> + +/** + * The id of this device + */ +#define BACKLIGHT_HARDWARE_DEVICE_ID "backlight" + +/** + * The version of this device + */ +#define BACKLIGHT_HARDWARE_DEVICE_VERSION MAKE_VERSION(1,0) + +/** + * The mode of backlight + */ +enum backlight_mode { + BACKLIGHT_MANUAL, /* Manual setting */ + BACKLIGHT_SENSOR, /* Worked by sensor */ +}; + +struct backlight_device { + struct hw_common common; + + /** + * The brightness value is 0 to 100. + */ + int (*get_brightness)(int *brightness); + int (*set_brightness)(int brightness); + + /** + * The backlight mode can be BACKLIGHT_MANUAL and BACKLIGHT_SENSOR. + */ + int (*get_mode)(enum backlight_mode *mode); + int (*set_mode)(enum backlight_mode mode); +}; + +#endif diff --git a/hw/common.c b/hw/common.c new file mode 100644 index 0000000..3e2dc7a --- /dev/null +++ b/hw/common.c @@ -0,0 +1,82 @@ +/* + * libdevice-node + * + * Copyright (c) 2015 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 <stdio.h> +#include <unistd.h> +#include <errno.h> +#include <dlfcn.h> +#include <string.h> +#include <errno.h> +#include <linux/limits.h> + +#include <hw/common.h> +#include "device-internal.h" + +#ifndef EXPORT +#define EXPORT __attribute__ ((visibility("default"))) +#endif + +#define MODULE_PATH LIBPATH"/hw" + +EXPORT +int hw_get_info(const char *id, const struct hw_info **info) +{ + char path[PATH_MAX]; + void *handle; + struct hw_info *it; + + if (!*info || !id) + return -EINVAL; + + /* Find matched module path */ + snprintf(path, sizeof(path), "%s/%s.so", MODULE_PATH, id); + if (access(path, R_OK) != 0) { + _E("there is no %s device", id); + return -ENODEV; + } + + /* Load module */ + handle = dlopen(path, RTLD_NOW); + if (!handle) { + _E("fail to open module : %s", dlerror()); + goto error; + } + + /* Get the address of struct hw_common */ + it = dlsym(handle, HARDWARE_INFO_SYM_AS_STR); + if (!it) { + _E("fail to find symbol : %s", dlerror()); + goto error; + } + + /* Check id */ + if (strncmp(id, it->id, strlen(id)) != 0) { + _E("fail to match id : id(%s), it->id(%s)", id, it->id); + goto error; + } + + it->dso = handle; + *info = it; + return 0; + +error: + if (handle) + dlclose(handle); + + return -ENOENT; +} diff --git a/hw/common.h b/hw/common.h new file mode 100644 index 0000000..e14e705 --- /dev/null +++ b/hw/common.h @@ -0,0 +1,78 @@ +/* + * libdevice-node + * + * Copyright (c) 2015 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. + */ + + +#ifndef __HW_COMMON_H__ +#define __HW_COMMON_H__ + +#include <stdint.h> + +#define MAKE_TAG_CONSTANT(A,B,C,D) (((A) << 24) | ((B) << 16) | ((C) << 8) | (D)) +#define HARDWARE_INFO_TAG MAKE_TAG_CONSTANT('T','H','I','T') + +struct hw_common; +struct hw_info { + /* magic must be initialized to HARDWARE_INFO_TAG */ + uint32_t magic; + /* HAL version */ + uint16_t hal_version; + /* device version */ + uint16_t device_version; + /* device id */ + const char *id; + /* device name */ + const char *name; + /* author name */ + const char *author; + /* module's dso */ + void *dso; + /* reserved for future use */ + uint32_t reserved[8]; + /* open device */ + int (*open)(struct hw_info *info, + const char *id, struct hw_common **common); + /* close device */ + int (*close)(struct hw_common *common); +}; + +struct hw_common { + /* indicate to this device information structure */ + struct hw_info *info; +}; + +#define MAKE_VERSION(maj,min) \ + ((((maj) & 0xff) << 8) | ((min) & 0xff)) + +/** + * Version of the struct hw_info + */ +#define HARDWARE_INFO_VERSION MAKE_VERSION(1,0) + +/** + * Name of the hardware info symbolic (Tizen Hardware Info) + */ +#define HARDWARE_INFO_SYM TizenHwInfo + +/** + * Name of the hardware info symbolic as a string + */ +#define HARDWARE_INFO_SYM_AS_STR "TizenHwInfo" + +int hw_get_info(const char *id, const struct hw_info **info); + +#endif diff --git a/hwcommon.pc.in b/hwcommon.pc.in new file mode 100644 index 0000000..b2c8512 --- /dev/null +++ b/hwcommon.pc.in @@ -0,0 +1,11 @@ +# Package Information for pkg-config +prefix=@PREFIX@ +exec_prefix=@EXEC_PREFIX@ +libdir=@LIBDIR@ +includedir=/usr/include + +Name: Tizen HAL Interface library +Description: Tizen HAL Interface library +Version: @VERSION@ +Libs: -L${libdir} -lhwcommon +Cflags: -I${includedir} diff --git a/packaging/libdevice-node.spec b/packaging/libdevice-node.spec index 5bc68a7..8834ba8 100644 --- a/packaging/libdevice-node.spec +++ b/packaging/libdevice-node.spec @@ -41,5 +41,6 @@ make %{?jobs:-j%jobs} %files devel %{_includedir}/device-node/*.h +%{_includedir}/hw/*.h %{_libdir}/*.so %{_libdir}/pkgconfig/*.pc |