From: Taeyoung Kim Date: Tue, 15 Mar 2016 09:57:51 +0000 (+0900) Subject: HAL: add display HAL for emulator X-Git-Tag: submit/tizen/20210607.045509~44 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4cd4bbcbbd9e83e2603c6e14e9b8fc12df59b341;p=platform%2Fhal%2Fbackend%2Femulator%2Fdevice-emulator.git HAL: add display HAL for emulator - HAL for emulator is added. Currently just display HAL is available. Change-Id: Ib683cb26c45f26b803f78850ee643e64e63f0c56 Signed-off-by: Taeyoung Kim --- diff --git a/CMakeLists.txt b/CMakeLists.txt index 6aee3d0..27ed342 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -31,3 +31,5 @@ TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${pkgs_LDFLAGS}) SET(PREFIX ${CMAKE_INSTALL_PREFIX}) INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIB_INSTALL_DIR} COMPONENT RuntimeLibraries) + +ADD_SUBDIRECTORY(hw/display) diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..fef8c29 --- /dev/null +++ b/LICENSE @@ -0,0 +1,202 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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+ * 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 +#include +#include +#include +#include + +#include +#include "../shared.h" + +#ifndef BACKLIGHT_PATH +#define BACKLIGHT_PATH "/sys/class/backlight/emulator" +#endif + +static int get_max_brightness(int *val) +{ + static int max = -1; + int r; + + if (!val) + return -EINVAL; + + if (max < 0) { + r = sys_get_int(BACKLIGHT_PATH"/max_brightness", &max); + if (r < 0) + return r; + } + + *val = max; + return 0; +} + +static int display_get_brightness(int *brightness) +{ + int r, v; + + if (!brightness) { + _E("wrong parameter"); + return -EINVAL; + } + + r = sys_get_int(BACKLIGHT_PATH"/brightness", &v); + if (r < 0) { + _E("fail to get brightness (errno:%d)", r); + return r; + } + + *brightness = v; + return 0; +} + +static int display_set_brightness(int brightness) +{ + int r, v, max; + + if (brightness < 0 || brightness > 100) { + _E("wrong parameter"); + return -EINVAL; + } + + r = get_max_brightness(&max); + if (r < 0) { + _E("fail to get max brightness (errno:%d)", r); + return r; + } + + v = brightness/100.f*max; + r = sys_set_int(BACKLIGHT_PATH"/brightness", v); + if (r < 0) { + _E("fail to set brightness (errno:%d)", r); + return r; + } + + return 0; +} + +static int display_open(struct hw_info *info, + const char *id, struct hw_common **common) +{ + struct display_device *display_dev; + + if (!info || !common) + return -EINVAL; + + display_dev = calloc(1, sizeof(struct display_device)); + if (!display_dev) + return -ENOMEM; + + display_dev->common.info = info; + display_dev->get_brightness = display_get_brightness; + display_dev->set_brightness = display_set_brightness; + + *common = (struct hw_common *)display_dev; + return 0; +} + +static int display_close(struct hw_common *common) +{ + if (!common) + return -EINVAL; + + free(common); + return 0; +} + +HARDWARE_MODULE_STRUCTURE = { + .magic = HARDWARE_INFO_TAG, + .hal_version = HARDWARE_INFO_VERSION, + .device_version = DISPLAY_HARDWARE_DEVICE_VERSION, + .id = DISPLAY_HARDWARE_DEVICE_ID, + .name = "Display", + .open = display_open, + .close = display_close, +}; diff --git a/hw/shared.c b/hw/shared.c new file mode 100644 index 0000000..b6401c1 --- /dev/null +++ b/hw/shared.c @@ -0,0 +1,129 @@ +/* + * device-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 +#include +#include +#include +#include +#include +#include +#include + +#define BUF_MAX 255 + +static int sys_read_buf(char *file, char *buf, int len) +{ + int fd, r; + + if (!file || !buf || len < 0) + return -EINVAL; + + fd = open(file, O_RDONLY); + if (fd == -1) + return -ENOENT; + + r = read(fd, buf, len); + close(fd); + if ((r >= 0) && (r < len)) + buf[r] = '\0'; + else + return -EIO; + + return 0; +} + +static int sys_write_buf(char *file, char *buf) +{ + int fd, r; + + if (!file || !buf) + return -EINVAL; + + fd = open(file, O_WRONLY); + if (fd == -1) + return -EPERM; + + r = write(fd, buf, strlen(buf)); + close(fd); + if (r < 0) + return -EIO; + + return 0; +} + +int sys_get_int(char *fname, int *val) +{ + char buf[BUF_MAX]; + int r; + + if (!fname || !val) + return -EINVAL; + + r = sys_read_buf(fname, buf, sizeof(buf)); + if (r < 0) + return r; + + *val = atoi(buf); + return 0; +} + +int sys_get_str(char *fname, char *str, int len) +{ + int r; + + if (!fname || !str || len < 0) + return -EINVAL; + + r = sys_read_buf(fname, str, len); + if (r < 0) + return r; + + return 0; +} + +int sys_set_int(char *fname, int val) +{ + char buf[BUF_MAX]; + int r; + + if (!fname) + return -EINVAL; + + snprintf(buf, sizeof(buf), "%d", val); + r = sys_write_buf(fname, buf); + if (r < 0) + return r; + + return 0; +} + +int sys_set_str(char *fname, char *val) +{ + int r; + + if (!fname || !val) + return -EINVAL; + + r = sys_write_buf(fname, val); + if (r < 0) + return r; + + return 0; +} diff --git a/hw/shared.h b/hw/shared.h new file mode 100644 index 0000000..da51ca4 --- /dev/null +++ b/hw/shared.h @@ -0,0 +1,43 @@ +/* + * 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_DEFAULT_SHARED_H__ +#define __HW_DEFAULT_SHARED_H__ + +#define FEATURE_HARDWARE_DLOG +#ifdef FEATURE_HARDWARE_DLOG +#define LOG_TAG "HARDWARE" +#include +#define _I(fmt, args...) SLOGI(fmt, ##args) +#define _D(fmt, args...) SLOGD(fmt, ##args) +#define _E(fmt, args...) SLOGE(fmt, ##args) +#else +#define _I(x, ...) do { } while (0) +#define _D(x, ...) do { } while (0) +#define _E(x, ...) do { } while (0) +#endif + +#define ARRAY_SIZE(name) (sizeof(name)/sizeof(name[0])) + +int sys_get_int(char *fname, int *val); +int sys_get_str(char *fname, char *str, int len); +int sys_set_int(char *fname, int val); +int sys_set_str(char *fname, char *val); + +#endif diff --git a/packaging/device-manager-plugin-emul.spec b/packaging/device-manager-plugin-emul.spec index 623f090..ea8f864 100644 --- a/packaging/device-manager-plugin-emul.spec +++ b/packaging/device-manager-plugin-emul.spec @@ -10,6 +10,7 @@ Requires(postun): /sbin/ldconfig BuildRequires: cmake BuildRequires: pkgconfig(dlog) BuildRequires: pkgconfig(devman_plugin) +BuildRequires: pkgconfig(hwcommon) %description Emulator plugin for libdevice-node. @@ -33,7 +34,9 @@ make /sbin/ldconfig %files +%license LICENSE %defattr(-,root,root,-) %manifest device-manager-plugin-emul.manifest %{_libdir}/libslp_devman_plugin.so +%{_libdir}/hw/*.so