diff --git a/exynos4/exynos4x12/Android.mk b/exynos4/exynos4x12/Android.mk new file mode 100644 index 00000000..5d6039f0 --- /dev/null +++ b/exynos4/exynos4x12/Android.mk @@ -0,0 +1,20 @@ +# +# Copyright (C) 2012 The Android Open Source Project +# +# 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. +# + +ifeq ($(TARGET_SOC),exynos4x12) +exynos4x12_dirs := liblights +include $(call all-named-subdir-makefiles,$(exynos4x12_dirs)) +endif diff --git a/exynos4/exynos4x12/liblights/Android.mk b/exynos4/exynos4x12/liblights/Android.mk new file mode 100644 index 00000000..1884dc59 --- /dev/null +++ b/exynos4/exynos4x12/liblights/Android.mk @@ -0,0 +1,37 @@ +# Copyright (C) 2011 The Android Open Source Project +# Copyright (C) 2011 The CyanogenMod Project +# +# 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. + +LOCAL_PATH:= $(call my-dir) +# HAL module implemenation, not prelinked and stored in +# hw/..so +include $(CLEAR_VARS) + +LOCAL_SRC_FILES := lights.c + +LOCAL_PRELINK_MODULE := false +LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw + +LOCAL_SHARED_LIBRARIES := liblog + +ifeq ($(BOARD_HAS_LED_NOTIF),true) + LOCAL_CFLAGS += -DLED_NOTIFICATION +endif + +LOCAL_MODULE := lights.$(TARGET_BOARD_PLATFORM) + +LOCAL_MODULE_TAGS := optional + +include $(BUILD_SHARED_LIBRARY) + diff --git a/exynos4/exynos4x12/liblights/NOTICE b/exynos4/exynos4x12/liblights/NOTICE new file mode 100644 index 00000000..42b8f1c4 --- /dev/null +++ b/exynos4/exynos4x12/liblights/NOTICE @@ -0,0 +1,192 @@ + + Copyright (C) 2012 The Android Open Source Project + The CyanogenMod Project + Daniel Hillenbrand + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + + 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. + + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. 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Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + diff --git a/exynos4/exynos4x12/liblights/lights.c b/exynos4/exynos4x12/liblights/lights.c new file mode 100644 index 00000000..b59f8ec3 --- /dev/null +++ b/exynos4/exynos4x12/liblights/lights.c @@ -0,0 +1,243 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * The CyanogenMod Project + * Daniel Hillenbrand + * + * 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 LOG_TAG "lights" +#define LOG_NDEBUG 0 + +#include + +#include +#include +#include +#include +#include +#include + +#include +#include + +#include + +/******************************************************************************/ + +static pthread_once_t g_init = PTHREAD_ONCE_INIT; +static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER; + +char const*const PANEL_FILE = "/sys/class/backlight/panel/brightness"; +char const*const BUTTON_FILE = "/sys/class/sec/sec_touchkey/brightness"; + +char const*const LED_RED = "/sys/class/sec/led/led_r"; +char const*const LED_GREEN = "/sys/class/sec/led/led_g"; +char const*const LED_BLUE = "/sys/class/sec/led/led_b"; +char const*const LED_BLINK = "/sys/class/sec/led/led_blink"; + +#define MAX_WRITE_CMD 25 + +struct led_config { + int red; + int green; + int blue; + char blink[MAX_WRITE_CMD]; +}; + +void init_g_lock(void) +{ + pthread_mutex_init(&g_lock, NULL); +} + +static int write_int(char const *path, int value) +{ + int fd; + static int already_warned; + + already_warned = 0; + + LOGV("write_int: path %s, value %d", path, value); + fd = open(path, O_RDWR); + + if (fd >= 0) { + char buffer[20]; + int bytes = sprintf(buffer, "%d\n", value); + int amt = write(fd, buffer, bytes); + close(fd); + return amt == -1 ? -errno : 0; + } else { + if (already_warned == 0) { + LOGE("write_int failed to open %s\n", path); + already_warned = 1; + } + return -errno; + } +} + +static int write_str(char const *path, const char* value) +{ + int fd; + static int already_warned; + + already_warned = 0; + + LOGV("write_str: path %s, value %s", path, value); + fd = open(path, O_RDWR); + + if (fd >= 0) { + char buffer[MAX_WRITE_CMD]; + int bytes = sprintf(buffer, "%s\n", value); + int amt = write(fd, buffer, bytes); + close(fd); + return amt == -1 ? -errno : 0; + } else { + if (already_warned == 0) { + LOGE("write_str failed to open %s\n", path); + already_warned = 1; + } + return -errno; + } +} + +static int rgb_to_brightness(struct light_state_t const *state) +{ + int color = state->color & 0x00ffffff; + + return ((77*((color>>16) & 0x00ff)) + + (150*((color>>8) & 0x00ff)) + (29*(color & 0x00ff))) >> 8; +} + +static int set_light_backlight(struct light_device_t *dev, + struct light_state_t const *state) +{ + int err = 0; + int brightness = rgb_to_brightness(state); + + pthread_mutex_lock(&g_lock); + err = write_int(PANEL_FILE, brightness); + err = write_int(BUTTON_FILE, brightness > 0 ? 1 : 2); + pthread_mutex_unlock(&g_lock); + + return err; +} + +static int close_lights(struct light_device_t *dev) +{ + LOGV("close_light is called"); + if (dev) + free(dev); + + return 0; +} + +/* LEDs */ +static int write_leds(struct led_config led) +{ + int err = 0; + + pthread_mutex_lock(&g_lock); + err = write_int(LED_RED, led.red); + err = write_int(LED_GREEN, led.green); + err = write_int(LED_BLUE, led.blue); + err = write_str(LED_BLINK, led.blink); + pthread_mutex_unlock(&g_lock); + + return err; +} + +static int set_light_leds(struct light_state_t const *state, int type) +{ + struct led_config led; + unsigned int colorRGB; + + colorRGB = state->color; + + switch (state->flashMode) { + case LIGHT_FLASH_NONE: + led.red = 0; + led.green = 0; + led.blue = 0; + snprintf(led.blink, MAX_WRITE_CMD, "0x00 0 0"); + break; + case LIGHT_FLASH_TIMED: + case LIGHT_FLASH_HARDWARE: + led.red = (colorRGB >> 16) & 0xFF; + led.green = (colorRGB >> 8) & 0xFF; + led.blue = colorRGB & 0xFF; + snprintf(led.blink, MAX_WRITE_CMD, "0xFF 80 2000"); + break; + default: + return -EINVAL; + } + + return write_leds(led); +} + +static int set_light_leds_notifications(struct light_device_t *dev, + struct light_state_t const *state) +{ + return set_light_leds(state, 0); +} + +static int set_light_leds_attention(struct light_device_t *dev, + struct light_state_t const *state) +{ + return set_light_leds(state, 1); +} + +static int open_lights(const struct hw_module_t *module, char const *name, + struct hw_device_t **device) +{ + int (*set_light)(struct light_device_t *dev, + struct light_state_t const *state); + + if (0 == strcmp(LIGHT_ID_BACKLIGHT, name)) + set_light = set_light_backlight; + else if (0 == strcmp(LIGHT_ID_NOTIFICATIONS, name)) + set_light = set_light_leds_notifications; + else if (0 == strcmp(LIGHT_ID_ATTENTION, name)) + set_light = set_light_leds_attention; + else + return -EINVAL; + + pthread_once(&g_init, init_g_lock); + + struct light_device_t *dev = malloc(sizeof(struct light_device_t)); + memset(dev, 0, sizeof(*dev)); + + dev->common.tag = HARDWARE_DEVICE_TAG; + dev->common.version = 0; + dev->common.module = (struct hw_module_t *)module; + dev->common.close = (int (*)(struct hw_device_t *))close_lights; + dev->set_light = set_light; + + *device = (struct hw_device_t *)dev; + + return 0; +} + +static struct hw_module_methods_t lights_module_methods = { + .open = open_lights, +}; + +const struct hw_module_t HAL_MODULE_INFO_SYM = { + .tag = HARDWARE_MODULE_TAG, + .version_major = 1, + .version_minor = 0, + .id = LIGHTS_HARDWARE_MODULE_ID, + .name = "Exynos4x12 lights Module", + .author = "The CyanogenMod Project", + .methods = &lights_module_methods, +}; diff --git a/exynos4x12.mk b/exynos4x12.mk index 29cc4d50..ae761c4b 100644 --- a/exynos4x12.mk +++ b/exynos4x12.mk @@ -17,6 +17,7 @@ ifeq ($(TARGET_SOC),exynos4x12) include $(TARGET_HAL_PATH)/Android.mk include hardware/samsung/exynos/multimedia/Android.mk +include hardware/samsung/exynos4/exynos4x12/Android.mk endif endif