From: Hyotaek Shim Date: Fri, 31 Jan 2020 01:17:31 +0000 (+0900) Subject: Initialization X-Git-Tag: submit/tizen/20200131.104043~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fheads%2Ftizen;p=platform%2Fadaptation%2Frpi4%2Fdevice-manager-plugin-rpi4.git Initialization Change-Id: I42f55a9976f6ec42767c0443e9a0322298da2459 Signed-off-by: Hyotaek Shim --- diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..9306ae6 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +cscope.files +cscope.out +tags diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..7f1ff58 --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,9 @@ +CMAKE_MINIMUM_REQUIRED(VERSION 2.6) +PROJECT(device-manager-rpi3 C) + +SET(PREFIX ${CMAKE_INSTALL_PREFIX}) + +ADD_SUBDIRECTORY(hw/display) +ADD_SUBDIRECTORY(hw/led) +ADD_SUBDIRECTORY(hw/touchscreen) +ADD_SUBDIRECTORY(hw/thermal) \ No newline at end of file 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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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + 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. + diff --git a/hw/display/CMakeLists.txt b/hw/display/CMakeLists.txt new file mode 100644 index 0000000..08c293d --- /dev/null +++ b/hw/display/CMakeLists.txt @@ -0,0 +1,19 @@ +CMAKE_MINIMUM_REQUIRED(VERSION 2.6) +PROJECT(display C) + +SET(PREFIX ${CMAKE_INSTALL_PREFIX}) + +INCLUDE(FindPkgConfig) +pkg_check_modules(display_pkgs REQUIRED hwcommon dlog) + +FOREACH(flag ${display_pkgs_CFLAGS}) + SET(EXTRA_CFLAGS "${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 display.c) +TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${display_pkgs_LDFLAGS}) +SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES PREFIX "") +INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIB_INSTALL_DIR}/hw COMPONENT RuntimeLibraries) diff --git a/hw/display/display.c b/hw/display/display.c new file mode 100644 index 0000000..9eb4f89 --- /dev/null +++ b/hw/display/display.c @@ -0,0 +1,132 @@ +/* + * 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 + +#ifndef BACKLIGHT_PATH +#define BACKLIGHT_PATH "/sys/class/backlight/rpi_backlight" +#endif + +static int display_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, max; + + r = display_get_max_brightness(&max); + if (r < 0) { + _E("fail to get max brightness (errno:%d)", r); + return r; + } + + if (brightness < 0 || brightness > max) { + _E("wrong parameter"); + return -EINVAL; + } + + r = sys_set_int(BACKLIGHT_PATH"/brightness", brightness); + 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_max_brightness = display_get_max_brightness; + 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/led/CMakeLists.txt b/hw/led/CMakeLists.txt new file mode 100644 index 0000000..dfe38d5 --- /dev/null +++ b/hw/led/CMakeLists.txt @@ -0,0 +1,20 @@ +CMAKE_MINIMUM_REQUIRED(VERSION 2.6) +PROJECT(led C) + +SET(PREFIX ${CMAKE_INSTALL_PREFIX}) + +INCLUDE(FindPkgConfig) +pkg_check_modules(led_pkgs REQUIRED hwcommon dlog glib-2.0 capi-system-peripheral-io) + +FOREACH(flag ${led_pkgs_CFLAGS}) + SET(EXTRA_CFLAGS "${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 led.c) +TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${led_pkgs_LDFLAGS}) +SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES PREFIX "") + +INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIB_INSTALL_DIR}/hw COMPONENT RuntimeLibraries) diff --git a/hw/led/led.c b/hw/led/led.c new file mode 100644 index 0000000..bc8da82 --- /dev/null +++ b/hw/led/led.c @@ -0,0 +1,377 @@ +/* + * device-manager-plugin-rpi3 + * + * Copyright (c) 2017 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 + +#define GET_BRIGHTNESS(val) (((val) >> 24) & 0xFF) + +#define GET_TYPE(a) (((a) >> 24) & 0xFF) +#define GET_RED_ONLY(a) ((a) & 0xFF0000) +#define GET_GREEN_ONLY(a) ((a) & 0x00FF00) +#define GET_BLUE_ONLY(a) ((a) & 0x0000FF) +#define GET_RED_BRT(a) (uint8_t)(((a) >> 16) & 0xFF) +#define GET_GREEN_BRT(a) (uint8_t)(((a) >> 8) & 0xFF) +#define GET_BLUE_BRT(a) (uint8_t)((a) & 0xFF) + +/** + * GPIO Specific + */ +#define GPIO_I2C_BUS_INDEX 1 +#define BLINKM_DEFAULT_ADDR 0x09 + +/** + * LED operation command code + * Stop script: 0x6f('o') + * Set command: 0x6e('n') + * Change address command: 0x41('A') + */ +#define SET_CMD_CODE 0x6e +#define STOP_SCRIPT_CMD 0x6f +#define CHANGE_ADDR_CMD 0x41 + +typedef enum _led_rgb_type { + LED_RED, + LED_GREEN, + LED_BLUE, +} led_rgb_type_e; + +struct gpio_rgb_play_color_info { + unsigned int color; + int time; +}; + +struct gpio_rgb_play_info { + GList *play_list; + int nr_play; + int index; + guint timer; +} play_info; + +static uint8_t off_cmd[4] = { SET_CMD_CODE, 0x00, 0x00, 0x00 }; + +static void blinkm_led_stop_script(peripheral_i2c_h handle) +{ + uint8_t data[1] = {STOP_SCRIPT_CMD}; + uint32_t length = 1; + + peripheral_i2c_write(handle, data, length); +} + +/** + * LED set to black + */ +static void blinkm_led_off(peripheral_i2c_h handle) +{ + peripheral_i2c_write(handle, off_cmd, sizeof(off_cmd)); +} + +static void blinkm_led_init(peripheral_i2c_h handle) +{ + blinkm_led_stop_script(handle); + blinkm_led_off(handle); +} + +static void blinkm_led_set_color(peripheral_i2c_h handle, uint8_t *pkt_data, int len) +{ + peripheral_i2c_write(handle, pkt_data, len); +} + +static int gpio_led_open_device(int device_index, peripheral_i2c_h *device_handle) +{ + int ret; + + if ((ret = peripheral_i2c_open(device_index, BLINKM_DEFAULT_ADDR, device_handle)) < PERIPHERAL_ERROR_NONE) { + _E("Failed to open I2C"); + } + return ret; +} + +static int gpio_led_close_device(peripheral_i2c_h device_handle) +{ + int ret; + + if ((ret = peripheral_i2c_close(device_handle)) < PERIPHERAL_ERROR_NONE) { + _E("Failed to close I2C"); + } + return ret; +} + +static int gpio_rgb_set_brightness(struct led_state *state) +{ + uint8_t cmd_pkt[4] = { SET_CMD_CODE, }; + peripheral_i2c_h handle; + unsigned int color; + int ret; + + if (!state) + return -EINVAL; + + color = state->color; + + cmd_pkt[1] = GET_RED_BRT(color); + cmd_pkt[2] = GET_GREEN_BRT(color); + cmd_pkt[3] = GET_BLUE_BRT(color); + + _I("COLOR(%x) r(%x), g(%x), b(%x)", color, cmd_pkt[1], cmd_pkt[2], cmd_pkt[3]); + + if ((ret = gpio_led_open_device(GPIO_I2C_BUS_INDEX, &handle)) < PERIPHERAL_ERROR_NONE) + return -EIO; + + blinkm_led_set_color(handle, cmd_pkt, sizeof(cmd_pkt)); + + if ((ret = gpio_led_close_device(handle)) < PERIPHERAL_ERROR_NONE) + return -EIO; + + return 0; +} + +/* turn off led */ +static int gpio_rgb_turn_off(struct led_state *state) +{ + struct led_state st = { LED_TYPE_MANUAL, }; + return gpio_rgb_set_brightness(&st); +} + +/* release play list */ +static void free_func(gpointer data) +{ + struct gpio_rgb_play_color_info *color = data; + free(color); +} + +static void release_play_info(void) +{ + if (play_info.play_list) { + g_list_free_full(play_info.play_list, free_func); + play_info.play_list = NULL; + } + play_info.nr_play = 0; + play_info.index = 0; + if (play_info.timer) { + g_source_remove(play_info.timer); + play_info.timer = 0; + } + + gpio_rgb_turn_off(NULL); +} + +static int gpio_rgb_init_led() +{ + peripheral_i2c_h handle; + int ret; + + if ((ret = gpio_led_open_device(GPIO_I2C_BUS_INDEX, &handle)) < PERIPHERAL_ERROR_NONE) + return ret; + + blinkm_led_init(handle); + + if ((ret = gpio_led_close_device(handle)) < PERIPHERAL_ERROR_NONE) + return ret; + + return ret; +} + +/* timer callback to change colors which are stored in play_list */ +static gboolean gpio_rgb_timer_expired(gpointer data) +{ + struct gpio_rgb_play_color_info *color; + struct led_state state = {LED_TYPE_MANUAL, }; + int ret; + + if (play_info.timer) { + g_source_remove(play_info.timer); + play_info.timer = 0; + } + + color = g_list_nth_data(play_info.play_list, play_info.index); + if (!color) { + _E("Failed to get (%d)th item from the play list", play_info.index); + goto out; + } + + play_info.timer = g_timeout_add(color->time, gpio_rgb_timer_expired, data); + if (play_info.timer == 0) { + _E("Failed to add timeout for LED blinking"); + goto out; + } + + state.color = color->color; + + ret = gpio_rgb_set_brightness(&state); + if (ret < 0) { + _E("Failed to set brightness (%d)", ret); + goto out; + } + + play_info.index++; + if (play_info.index == play_info.nr_play) + play_info.index = 0; + + return G_SOURCE_CONTINUE; + +out: + release_play_info(); + + return G_SOURCE_REMOVE; +} + +/* insert color info to the play_list */ +static int gpio_rgb_insert_play_list(unsigned color, int on, int off) +{ + struct gpio_rgb_play_color_info *on_info, *off_info; + + if (color == 0) + return -EINVAL; + on_info = calloc(1, sizeof(struct gpio_rgb_play_color_info)); + if (!on_info) + return -ENOMEM; + off_info = calloc(1, sizeof(struct gpio_rgb_play_color_info)); + if (!off_info) { + free(on_info); + return -ENOMEM; + } + + on_info->color = color; + on_info->time = on; + play_info.play_list = g_list_append(play_info.play_list, on_info); + + off_info->color = 0; + off_info->time = off; + play_info.play_list = g_list_append(play_info.play_list, off_info); + + return 0; +} + +/* insert color info to the play list and start to play */ +static int gpio_rgb_set_brightness_blink(struct led_state *state) +{ + unsigned int val; + int ret; + + val = GET_RED_ONLY(state->color); + if (val) { + ret = gpio_rgb_insert_play_list(val, state->duty_on, state->duty_off); + if (ret < 0) + _E("Failed to insert color info to list (%d)", ret); + } + val = GET_GREEN_ONLY(state->color); + if (val) { + ret = gpio_rgb_insert_play_list(val, state->duty_on, state->duty_off); + if (ret < 0) + _E("Failed to insert color info to list (%d)", ret); + } + val = GET_BLUE_ONLY(state->color); + if (val) { + ret = gpio_rgb_insert_play_list(val, state->duty_on, state->duty_off); + if (ret < 0) + _E("Failed to insert color info to list (%d)", ret); + } + + play_info.nr_play = g_list_length(play_info.play_list); + play_info.index = 0; + + gpio_rgb_timer_expired(NULL); + return 0; +} + +static int gpio_rgb_turn_on(struct led_state *state) +{ + if (state->type == LED_TYPE_MANUAL) + return gpio_rgb_set_brightness(state); + + return gpio_rgb_set_brightness_blink(state); +} + +static int gpio_rgb_set_state(struct led_state *state) +{ + if (!state) + return -EINVAL; + + switch (state->type) { + case LED_TYPE_BLINK: + case LED_TYPE_MANUAL: + break; + default: + _E("Not suppoted type (%d)", state->type); + return -ENOTSUP; + } + release_play_info(); + + if (GET_TYPE(state->color) == 0) + return gpio_rgb_turn_off(state); + + return gpio_rgb_turn_on(state); +} + +static int led_open(struct hw_info *info, + const char *id, struct hw_common **common) +{ + struct led_device *led_dev; + size_t len; + + if (!info || !id || !common) + return -EINVAL; + + led_dev = calloc(1, sizeof(struct led_device)); + if (!led_dev) + return -ENOMEM; + + led_dev->common.info = info; + + len = strlen(id) + 1; + if (!strncmp(id, LED_ID_NOTIFICATION, len)) { + if (gpio_rgb_init_led()) { + free(led_dev); + return -EIO; + } else + led_dev->set_state = gpio_rgb_set_state; + + } else { + free(led_dev); + return -ENOTSUP; + } + + *common = (struct hw_common *)led_dev; + return 0; +} + +static int led_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 = LED_HARDWARE_DEVICE_VERSION, + .id = LED_HARDWARE_DEVICE_ID, + .name = "I2C RGB LED", + .open = led_open, + .close = led_close, +}; diff --git a/hw/thermal/CMakeLists.txt b/hw/thermal/CMakeLists.txt new file mode 100644 index 0000000..42bcc20 --- /dev/null +++ b/hw/thermal/CMakeLists.txt @@ -0,0 +1,19 @@ +CMAKE_MINIMUM_REQUIRED(VERSION 2.6) +PROJECT(thermal C) + +SET(PREFIX ${CMAKE_INSTALL_PREFIX}) + +INCLUDE(FindPkgConfig) +pkg_check_modules(thermal_pkgs REQUIRED hwcommon dlog glib-2.0 libudev) + +FOREACH(flag ${thermal_pkgs_CFLAGS}) + SET(EXTRA_CFLAGS "${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 thermal.c ../udev.c) +TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${thermal_pkgs_LDFLAGS}) +SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES PREFIX "") +INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIB_INSTALL_DIR}/hw COMPONENT RuntimeLibraries) diff --git a/hw/thermal/thermal.c b/hw/thermal/thermal.c new file mode 100644 index 0000000..10eaea4 --- /dev/null +++ b/hw/thermal/thermal.c @@ -0,0 +1,156 @@ +/* + * device-node + * + * Copyright (c) 2019 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 + +#define AP_PATH "/sys/class/thermal/thermal_zone0/temp" + +static struct event_data { + ThermalUpdated updated_cb; + void *data; +} edata = { 0, }; + +static guint timer; + +static int thermal_get_info(device_thermal_e type, struct thermal_info *info) +{ + FILE *fp; + char buf[32]; + size_t len; + + if (!info) + return -EINVAL; + + fp = fopen(AP_PATH, "r"); + if (!fp) { + _E("Failed to open thermal path(%d)", errno); + return -errno; + } + + len = fread(buf, 1, sizeof(buf) - 1, fp); + fclose(fp); + if (len == 0) { + _E("Failed to read thermal value(%d)", errno); + return -errno; + } + buf[len] = '\0'; + info->temp = atoi(buf); + info->temp /= 1000; + info->adc = 0; + + _I("temp(%d) adc(%d)", info->temp, info->adc); + return 0; +} + +static gboolean thermal_timeout(gpointer data) +{ + struct thermal_info info; + int ret; + + ret = thermal_get_info(DEVICE_THERMAL_AP, &info); + if (ret < 0) { + _E("Failed to read thermal info (%d)", ret); + return G_SOURCE_CONTINUE; + } + + if (edata.updated_cb) + edata.updated_cb(&info, edata.data); + + return G_SOURCE_CONTINUE; +} + +static int thermal_register_changed_event(ThermalUpdated updated_cb, void *data) +{ + if (timer) + g_source_remove(timer); + + timer = g_timeout_add(10000, thermal_timeout, NULL); + if (timer == 0) { + _E("Failed to add timer for thermal"); + return -ENOENT; + } + + edata.updated_cb = updated_cb; + edata.data = data; + + return 0; +} + +static int thermal_unregister_changed_event(ThermalUpdated updated_cb) +{ + if (timer) { + g_source_remove(timer); + timer = 0; + } + + edata.updated_cb = NULL; + edata.data = NULL; + + return 0; +} + +static int thermal_open(struct hw_info *info, + const char *id, struct hw_common **common) +{ + struct thermal_device *thermal_dev; + + if (!info || !common) + return -EINVAL; + + thermal_dev = calloc(1, sizeof(struct thermal_device)); + if (!thermal_dev) + return -ENOMEM; + + thermal_dev->common.info = info; + thermal_dev->register_changed_event + = thermal_register_changed_event; + thermal_dev->unregister_changed_event + = thermal_unregister_changed_event; + thermal_dev->get_info + = thermal_get_info; + + *common = (struct hw_common *)thermal_dev; + return 0; +} + +static int thermal_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 = THERMAL_HARDWARE_DEVICE_VERSION, + .id = THERMAL_HARDWARE_DEVICE_ID, + .name = "thermal", + .open = thermal_open, + .close = thermal_close, +}; diff --git a/hw/touchscreen/CMakeLists.txt b/hw/touchscreen/CMakeLists.txt new file mode 100644 index 0000000..f364805 --- /dev/null +++ b/hw/touchscreen/CMakeLists.txt @@ -0,0 +1,19 @@ +CMAKE_MINIMUM_REQUIRED(VERSION 2.6) +PROJECT(touchscreen C) + +SET(PREFIX ${CMAKE_INSTALL_PREFIX}) + +INCLUDE(FindPkgConfig) +pkg_check_modules(touchscreen_pkgs REQUIRED hwcommon dlog) + +FOREACH(flag ${touchscreen_pkgs_CFLAGS}) + SET(EXTRA_CFLAGS "${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 touchscreen.c) +TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${touchscreen_pkgs_LDFLAGS}) +SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES PREFIX "") +INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIB_INSTALL_DIR}/hw COMPONENT RuntimeLibraries) diff --git a/hw/touchscreen/touchscreen.c b/hw/touchscreen/touchscreen.c new file mode 100644 index 0000000..afe6b57 --- /dev/null +++ b/hw/touchscreen/touchscreen.c @@ -0,0 +1,125 @@ +/* + * 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 TOUCHSCREEN_CON_FILE "/sys/devices/platform/rpi_ft5406/enable" + +#define TURNON_TOUCHSCREEN 1 +#define TURNOFF_TOUCHSCREEN 0 + +static int touchscreen_get_state(enum touchscreen_state *state) +{ + int ret; + int val; + + if (!state) + return -EINVAL; + + ret = sys_get_int(TOUCHSCREEN_CON_FILE, &val); + if (ret < 0) { + _E("Failed to get touchscreen state (%d)", ret); + return ret; + } + + switch (val) { + case TURNOFF_TOUCHSCREEN: + *state = TOUCHSCREEN_OFF; + break; + case TURNON_TOUCHSCREEN: + *state = TOUCHSCREEN_ON; + break; + default: + _E("Failed to get touchscreen state (%d)", val); + return -EINVAL; + } + + return 0; +} + +static int touchscreen_set_state(enum touchscreen_state state) +{ + int ret; + int val; + + switch (state) { + case TOUCHSCREEN_OFF: + val = TURNOFF_TOUCHSCREEN; + break; + case TOUCHSCREEN_ON: + val = TURNON_TOUCHSCREEN; + break; + default: + _E("Invalid input (%d)", state); + return -EINVAL; + } + + ret = sys_set_int(TOUCHSCREEN_CON_FILE, val); + if (ret < 0) + _E("Failed to change touchscreen state (%d)", ret); + + return ret; +} + +static int touchscreen_open(struct hw_info *info, + const char *id, struct hw_common **common) +{ + struct touchscreen_device *touchscreen_dev; + + if (!info || !common) + return -EINVAL; + + touchscreen_dev = calloc(1, sizeof(struct touchscreen_device)); + if (!touchscreen_dev) + return -ENOMEM; + + touchscreen_dev->common.info = info; + touchscreen_dev->get_state = touchscreen_get_state; + touchscreen_dev->set_state = touchscreen_set_state; + + *common = (struct hw_common *)touchscreen_dev; + return 0; +} + +static int touchscreen_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 = TOUCHSCREEN_HARDWARE_DEVICE_VERSION, + .id = TOUCHSCREEN_HARDWARE_DEVICE_ID, + .name = "touchscreen", + .open = touchscreen_open, + .close = touchscreen_close, +}; diff --git a/hw/udev.c b/hw/udev.c new file mode 100644 index 0000000..e0c0d13 --- /dev/null +++ b/hw/udev.c @@ -0,0 +1,299 @@ +/* + * device-manager + * + * 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 "udev.h" + +#define EVENT_KERNEL "kernel" +#define EVENT_UDEV "udev" + +#define UDEV_MONITOR_SIZE (128*1024) + +struct uevent_info { + struct udev_monitor *mon; + GIOChannel *ch; + guint eventid; + GList *event_list; +}; + + +/* Uevent */ +static struct udev *udev; +static struct uevent_info kevent; /* kernel */ +static struct uevent_info uevent; /* udev */ + +static gboolean uevent_control_cb(GIOChannel *channel, + GIOCondition cond, void *data) +{ + struct uevent_info *info = data; + struct udev_device *dev; + struct uevent_handler *l; + GList *elem; + const char *subsystem; + int len; + + if (!info) { + _E("data is invalid"); + return TRUE; + } + + dev = udev_monitor_receive_device(info->mon); + if (!dev) + return TRUE; + + subsystem = udev_device_get_subsystem(dev); + if (!subsystem) + goto out; + + len = strlen(subsystem); + + for (elem = info->event_list ; elem ; elem = g_list_next(elem)) { + l = elem->data; + if (!l) + continue; + if (!strncmp(l->subsystem, subsystem, len) && + l->uevent_func) + l->uevent_func(dev); + } + +out: + udev_device_unref(dev); + return TRUE; +} + +static int uevent_control_stop(struct uevent_info *info) +{ + struct udev_device *dev; + + if (!info) + return -EINVAL; + + if (info->eventid) { + g_source_remove(info->eventid); + info->eventid = 0; + } + if (info->ch) { + g_io_channel_unref(info->ch); + info->ch = NULL; + } + if (info->mon) { + dev = udev_monitor_receive_device(info->mon); + if (dev) + udev_device_unref(dev); + udev_monitor_unref(info->mon); + info->mon = NULL; + } + if (udev) + udev = udev_unref(udev); + return 0; +} + +static int uevent_control_start(const char *type, + struct uevent_info *info) +{ + struct uevent_handler *l; + GList *elem; + int fd; + int ret; + + if (!info) + return -EINVAL; + + if (info->mon) { + _E("%s uevent control routine is alreay started", type); + return -EINVAL; + } + + if (!udev) { + udev = udev_new(); + if (!udev) { + _E("error create udev"); + return -EINVAL; + } + } else + udev = udev_ref(udev); + + info->mon = udev_monitor_new_from_netlink(udev, type); + if (info->mon == NULL) { + _E("error udev_monitor create"); + goto stop; + } + + _I("Set udev monitor buffer size %d", UDEV_MONITOR_SIZE); + ret = udev_monitor_set_receive_buffer_size(info->mon, + UDEV_MONITOR_SIZE); + if (ret != 0) { + _E("fail to set receive buffer size"); + goto stop; + } + + for (elem = info->event_list ; elem ; elem = g_list_next(elem)) { + l = elem->data; + ret = udev_monitor_filter_add_match_subsystem_devtype( + info->mon, + l->subsystem, NULL); + if (ret < 0) { + _E("error apply subsystem filter"); + goto stop; + } + } + + ret = udev_monitor_filter_update(info->mon); + if (ret < 0) + _E("error udev_monitor_filter_update"); + + fd = udev_monitor_get_fd(info->mon); + if (fd == -1) { + _E("error udev_monitor_get_fd"); + goto stop; + } + + info->ch = g_io_channel_unix_new(fd); + info->eventid = g_io_add_watch(info->ch, + G_IO_IN, uevent_control_cb, info); + if (info->eventid == 0) { + _E("Failed to add channel watch"); + goto stop; + } + + if (udev_monitor_enable_receiving(info->mon) < 0) { + _E("error unable to subscribe to udev events"); + goto stop; + } + + return 0; +stop: + uevent_control_stop(info); + return -EINVAL; +} + +int uevent_control_kernel_start(void) +{ + return uevent_control_start(EVENT_KERNEL, &kevent); +} + +void uevent_control_kernel_stop(void) +{ + uevent_control_stop(&kevent); +} + +int uevent_control_udev_start(void) +{ + return uevent_control_start(EVENT_UDEV, &uevent); +} + +void uevent_control_udev_stop(void) +{ + uevent_control_stop(&uevent); +} + +static int register_uevent_control(struct uevent_info *info, + struct uevent_handler *uh) +{ + struct uevent_handler *l; + GList *elem; + int r; + bool matched = false; + int len; + + if (!info || !uh || !uh->subsystem) + return -EINVAL; + + /* if udev is not initialized, it just will be added list */ + if (!udev || !info->mon) + goto add_list; + + len = strlen(uh->subsystem); + /* check if the same subsystem is already added */ + for (elem = info->event_list; elem ; elem = g_list_next(elem)) { + l = elem->data; + if (!strncmp(l->subsystem, uh->subsystem, len)) { + matched = true; + break; + } + } + + /* the first request to add subsystem */ + if (!matched) { + r = udev_monitor_filter_add_match_subsystem_devtype(info->mon, + uh->subsystem, NULL); + if (r < 0) { + _E("fail to add %s subsystem : %d", uh->subsystem, r); + return -EPERM; + } + } + + r = udev_monitor_filter_update(info->mon); + if (r < 0) + _E("fail to update udev monitor filter : %d", r); + +add_list: + info->event_list = g_list_append(info->event_list, uh); + return 0; +} + +static int unregister_uevent_control(struct uevent_info *info, + const struct uevent_handler *uh) +{ + struct uevent_handler *l; + GList *n, *next; + int len; + + if (!info || !uh || !uh->subsystem) + return -EINVAL; + + len = strlen(uh->subsystem); + for (n = info->event_list, next = g_list_next(n) ; + n ; n = next, next = g_list_next(n)) { + l = n->data; + if (!strncmp(l->subsystem, uh->subsystem, len) && + l->uevent_func == uh->uevent_func) { + info->event_list = g_list_delete_link(info->event_list, n); + return 0; + } + } + + return -ENOENT; +} + +int register_kernel_event_control(struct uevent_handler *uh) +{ + return register_uevent_control(&kevent, uh); +} + +void unregister_kernel_event_control(struct uevent_handler *uh) +{ + unregister_uevent_control(&kevent, uh); +} + +int register_udev_event_control(struct uevent_handler *uh) +{ + return register_uevent_control(&uevent, uh); +} + +void unregister_udev_event_control(struct uevent_handler *uh) +{ + unregister_uevent_control(&uevent, uh); +} diff --git a/hw/udev.h b/hw/udev.h new file mode 100644 index 0000000..d2aeff1 --- /dev/null +++ b/hw/udev.h @@ -0,0 +1,43 @@ +/* + * device-manager + * + * 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 __UDEV_H__ +#define __UDEV_H__ + +#include + +struct uevent_handler { + const char *subsystem; + void (*uevent_func)(struct udev_device *dev); + void *data; +}; + +int uevent_control_kernel_start(void); +void uevent_control_kernel_stop(void); + +int uevent_control_udev_start(void); +void uevent_control_udev_stop(void); + +int register_kernel_event_control(struct uevent_handler *uh); +void unregister_kernel_event_control(struct uevent_handler *uh); + +int register_udev_event_control(struct uevent_handler *uh); +void unregister_udev_event_control(struct uevent_handler *uh); + +#endif /* __UDEV_H__ */ diff --git a/packaging/device-manager-plugin-rpi4.manifest b/packaging/device-manager-plugin-rpi4.manifest new file mode 100644 index 0000000..af9b883 --- /dev/null +++ b/packaging/device-manager-plugin-rpi4.manifest @@ -0,0 +1,5 @@ + + + + + diff --git a/packaging/device-manager-plugin-rpi4.spec b/packaging/device-manager-plugin-rpi4.spec new file mode 100644 index 0000000..ce505c4 --- /dev/null +++ b/packaging/device-manager-plugin-rpi4.spec @@ -0,0 +1,42 @@ +Name: device-manager-plugin-rpi4 +Summary: Device manager plugin rpi4 +Version: 0.0.2 +Release: 0 +Group: System/Hardware Adaptation +License: Apache-2.0 +Source0: %{name}-%{version}.tar.gz +Source1: %{name}.manifest +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(capi-system-peripheral-io) + +%description +Device manager plugin Raspberry Pi 4 + +%prep +%setup -q +cp %{SOURCE1} . + +%build +%cmake . + +make %{?jobs:-j%jobs} + +%install +%make_install + +%post +/sbin/ldconfig + +%postun +/sbin/ldconfig + +%files +%{_libdir}/hw/*.so +%manifest %{name}.manifest +%license LICENSE