diff options
Diffstat (limited to 'liblight')
| -rw-r--r-- | liblight/Android.mk | 27 | ||||
| -rw-r--r-- | liblight/NOTICE | 190 | ||||
| -rw-r--r-- | liblight/lights.c | 386 |
3 files changed, 0 insertions, 603 deletions
diff --git a/liblight/Android.mk b/liblight/Android.mk deleted file mode 100644 index 0b0404a..0000000 --- a/liblight/Android.mk +++ /dev/null @@ -1,27 +0,0 @@ -# Copyright (C) 2014 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 stored in -# hw/<COPYPIX_HARDWARE_MODULE_ID>.<ro.board.platform>.so -include $(CLEAR_VARS) - -LOCAL_SRC_FILES := lights.c -LOCAL_MODULE_RELATIVE_PATH := hw -LOCAL_SHARED_LIBRARIES := liblog libcutils - -LOCAL_MODULE := lights.msm8996 -LOCAL_MODULE_TAGS := optional - -include $(BUILD_SHARED_LIBRARY) diff --git a/liblight/NOTICE b/liblight/NOTICE deleted file mode 100644 index 7340b9e..0000000 --- a/liblight/NOTICE +++ /dev/null @@ -1,190 +0,0 @@ - - Copyright (c) 2008, 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. - - 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. For the purposes of this definition, - "control" means (i) the power, direct or indirect, to cause the - direction or management of such entity, whether by contract or - otherwise, or (ii) ownership of fifty percent (50%) or more of the - outstanding shares, or (iii) beneficial ownership of such entity. - - "You" (or "Your") shall mean an individual or Legal Entity - exercising permissions granted by this License. - - "Source" form shall mean the preferred form for making modifications, - including but not limited to software source code, documentation - source, and configuration files. - - "Object" form shall mean any form resulting from mechanical - transformation or translation of a Source form, including but - not limited to compiled object code, generated documentation, - and conversions to other media types. - - "Work" shall mean the work of authorship, whether in Source or - Object form, made available under the License, as indicated by a - copyright notice that is included in or attached to the work - (an example is provided in the Appendix below). - - "Derivative Works" shall mean any work, whether in Source or Object - form, that is based on (or derived from) the Work and for which the - editorial revisions, annotations, elaborations, or other modifications - represent, as a whole, an original work of authorship. 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. Unless You explicitly state otherwise, - any Contribution intentionally submitted for inclusion in the Work - by You to the Licensor shall be under the terms and conditions of - this License, without any additional terms or conditions. - Notwithstanding the above, nothing herein shall supersede or modify - the terms of any separate license agreement you may have executed - with Licensor regarding such Contributions. - - 6. Trademarks. This License does not grant permission to use the trade - names, trademarks, service marks, or product names of the Licensor, - except as required for reasonable and customary use in describing the - origin of the Work and reproducing the content of the NOTICE file. - - 7. Disclaimer of Warranty. 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/liblight/lights.c b/liblight/lights.c deleted file mode 100644 index 14777a5..0000000 --- a/liblight/lights.c +++ /dev/null @@ -1,386 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * Copyright (C) 2014 The Linux Foundation. All rights reserved. - * Copyright (C) 2015 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. - */ - -#define LOG_TAG "lights" - -#include <cutils/log.h> - -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <fcntl.h> -#include <pthread.h> - -#include <sys/ioctl.h> -#include <sys/types.h> - -#include <hardware/lights.h> - -/******************************************************************************/ - -static pthread_once_t g_init = PTHREAD_ONCE_INIT; -static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER; -static struct light_state_t g_attention; -static struct light_state_t g_notification; -static struct light_state_t g_battery; - -char const*const RED_LED_FILE - = "/sys/class/leds/led:rgb_red/brightness"; - -char const*const LCD_FILE - = "/sys/class/leds/lcd-backlight/brightness"; - -char const*const RED_DUTY_PCTS_FILE - = "/sys/class/leds/led:rgb_red/duty_pcts"; - -char const*const RED_START_IDX_FILE - = "/sys/class/leds/led:rgb_red/start_idx"; - -char const*const RED_PAUSE_LO_FILE - = "/sys/class/leds/led:rgb_red/pause_lo"; - -char const*const RED_PAUSE_HI_FILE - = "/sys/class/leds/led:rgb_red/pause_hi"; - -char const*const RED_RAMP_STEP_MS_FILE - = "/sys/class/leds/led:rgb_red/ramp_step_ms"; - -char const*const RED_BLINK_FILE - = "/sys/class/leds/led:rgb_red/blink"; - -#define RAMP_SIZE 8 -static int BRIGHTNESS_RAMP[RAMP_SIZE] - = { 0, 12, 25, 37, 50, 72, 85, 100 }; -#define RAMP_STEP_DURATION 50 - -/** - * device methods - */ - -void init_globals(void) -{ - // init the mutex - pthread_mutex_init(&g_lock, NULL); -} - -static int -write_int(char const* path, int value) -{ - int fd; - static int already_warned = 0; - - fd = open(path, O_RDWR); - if (fd >= 0) { - char buffer[20]; - int bytes = snprintf(buffer, sizeof(buffer), "%d\n", value); - ssize_t amt = write(fd, buffer, (size_t)bytes); - close(fd); - return amt == -1 ? -errno : 0; - } else { - if (already_warned == 0) { - ALOGE("write_int failed to open %s\n", path); - already_warned = 1; - } - return -errno; - } -} - -static int -write_str(char const* path, char* value) -{ - int fd; - static int already_warned = 0; - - fd = open(path, O_RDWR); - if (fd >= 0) { - char buffer[1024]; - int bytes = snprintf(buffer, sizeof(buffer), "%s\n", value); - ssize_t amt = write(fd, buffer, (size_t)bytes); - close(fd); - return amt == -1 ? -errno : 0; - } else { - if (already_warned == 0) { - ALOGE("write_int failed to open %s\n", path); - already_warned = 1; - } - return -errno; - } -} - -static int -is_lit(struct light_state_t const* state) -{ - return state->color & 0x00ffffff; -} - -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); - if(!dev) { - return -1; - } - pthread_mutex_lock(&g_lock); - err = write_int(LCD_FILE, brightness); - pthread_mutex_unlock(&g_lock); - return err; -} - - -static char* -get_scaled_duty_pcts(int brightness) -{ - char *buf = malloc(5 * RAMP_SIZE * sizeof(char)); - char *pad = ""; - int i = 0; - - memset(buf, 0, 5 * RAMP_SIZE * sizeof(char)); - - for (i = 0; i < RAMP_SIZE; i++) { - char temp[5] = ""; - snprintf(temp, sizeof(temp), "%s%d", pad, (BRIGHTNESS_RAMP[i] * brightness / 255)); - strcat(buf, temp); - pad = ","; - } - ALOGV("%s: brightness=%d duty=%s", __func__, brightness, buf); - return buf; -} - -static int -set_speaker_light_locked(struct light_device_t* dev, - struct light_state_t const* state) -{ - int red; - int blink; - int onMS, offMS, stepDuration, pauseHi; - unsigned int colorRGB; - char *duty; - - if(!dev) { - return -1; - } - - switch (state->flashMode) { - case LIGHT_FLASH_TIMED: - onMS = state->flashOnMS; - offMS = state->flashOffMS; - break; - case LIGHT_FLASH_NONE: - default: - onMS = 0; - offMS = 0; - break; - } - - colorRGB = state->color; - - ALOGV("set_speaker_light_locked mode %d, colorRGB=%08X, onMS=%d, offMS=%d\n", - state->flashMode, colorRGB, onMS, offMS); - - red = (colorRGB >> 16) & 0xFF; - - blink = onMS > 0 && offMS > 0; - - // disable all blinking to start - write_int(RED_BLINK_FILE, 0); - - if (blink) { - stepDuration = RAMP_STEP_DURATION; - pauseHi = onMS - (stepDuration * RAMP_SIZE * 2); - if (stepDuration * RAMP_SIZE * 2 > onMS) { - stepDuration = onMS / (RAMP_SIZE * 2); - pauseHi = 0; - } - - // red - write_int(RED_START_IDX_FILE, 0); - duty = get_scaled_duty_pcts(red); - write_str(RED_DUTY_PCTS_FILE, duty); - write_int(RED_PAUSE_LO_FILE, offMS); - // The led driver is configured to ramp up then ramp - // down the lut. This effectively doubles the ramp duration. - write_int(RED_PAUSE_HI_FILE, pauseHi); - write_int(RED_RAMP_STEP_MS_FILE, stepDuration); - free(duty); - - // start the party - write_int(RED_BLINK_FILE, red); - - } else { - write_int(RED_LED_FILE, red); - } - - - return 0; -} - -static void -handle_speaker_light_locked(struct light_device_t* dev) -{ - if (is_lit(&g_attention)) { - set_speaker_light_locked(dev, &g_attention); - } else if (is_lit(&g_notification)) { - set_speaker_light_locked(dev, &g_notification); - } else { - set_speaker_light_locked(dev, &g_battery); - } -} - -static int -set_light_battery(struct light_device_t* dev, - struct light_state_t const* state) -{ - pthread_mutex_lock(&g_lock); - g_battery = *state; - handle_speaker_light_locked(dev); - pthread_mutex_unlock(&g_lock); - return 0; -} - -static int -set_light_notifications(struct light_device_t* dev, - struct light_state_t const* state) -{ - pthread_mutex_lock(&g_lock); - - unsigned int brightness; - unsigned int color; - unsigned int rgb[3]; - - g_notification = *state; - - // If a brightness has been applied by the user - brightness = (g_notification.color & 0xFF000000) >> 24; - if (brightness > 0 && brightness < 0xFF) { - - // Retrieve each of the RGB colors - color = g_notification.color & 0x00FFFFFF; - rgb[0] = (color >> 16) & 0xFF; - rgb[1] = (color >> 8) & 0xFF; - rgb[2] = color & 0xFF; - - // Apply the brightness level - if (rgb[0] > 0) - rgb[0] = (rgb[0] * brightness) / 0xFF; - if (rgb[1] > 0) - rgb[1] = (rgb[1] * brightness) / 0xFF; - if (rgb[2] > 0) - rgb[2] = (rgb[2] * brightness) / 0xFF; - - // Update with the new color - g_notification.color = (rgb[0] << 16) + (rgb[1] << 8) + rgb[2]; - } - - handle_speaker_light_locked(dev); - pthread_mutex_unlock(&g_lock); - return 0; -} - -static int -set_light_attention(struct light_device_t* dev, - struct light_state_t const* state) -{ - pthread_mutex_lock(&g_lock); - g_attention = *state; - handle_speaker_light_locked(dev); - pthread_mutex_unlock(&g_lock); - return 0; -} - -/** Close the lights device */ -static int -close_lights(struct light_device_t *dev) -{ - if (dev) { - free(dev); - } - return 0; -} - - -/******************************************************************************/ - -/** - * module methods - */ - -/** Open a new instance of a lights device using name */ -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_BATTERY, name)) - set_light = set_light_battery; - else if (0 == strcmp(LIGHT_ID_NOTIFICATIONS, name)) - set_light = set_light_notifications; - else if (0 == strcmp(LIGHT_ID_ATTENTION, name)) - set_light = set_light_attention; - else - return -EINVAL; - - pthread_once(&g_init, init_globals); - - struct light_device_t *dev = malloc(sizeof(struct light_device_t)); - - if(!dev) - return -ENOMEM; - - 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, -}; - -/* - * The lights Module - */ -struct hw_module_t HAL_MODULE_INFO_SYM = { - .tag = HARDWARE_MODULE_TAG, - .version_major = 1, - .version_minor = 0, - .id = LIGHTS_HARDWARE_MODULE_ID, - .name = "ZUK Z2 Lights Module", - .author = "The CyanogenMod Project", - .methods = &lights_module_methods, -}; |