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Naseer Ahmed29a26812012-06-14 00:56:20 -07001/*
Duy Truong73d36df2013-02-09 20:33:23 -08002 * Copyright (c) 2012, The Linux Foundation. All rights reserved.
Naseer Ahmed29a26812012-06-14 00:56:20 -07003
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above
10 * copyright notice, this list of conditions and the following
11 * disclaimer in the documentation and/or other materials provided
12 * with the distribution.
Duy Truong73d36df2013-02-09 20:33:23 -080013 * * Neither the name of The Linux Foundation nor the names of its
Naseer Ahmed29a26812012-06-14 00:56:20 -070014 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
Naseer Ahmed7c958d42012-07-31 18:57:03 -070030#include "idle_invalidator.h"
Naseer Ahmed29a26812012-06-14 00:56:20 -070031#include <unistd.h>
32
Naseer Ahmed7c958d42012-07-31 18:57:03 -070033#define II_DEBUG 0
Naseer Ahmed29a26812012-06-14 00:56:20 -070034
35static const char *threadName = "Invalidator";
36InvalidatorHandler IdleInvalidator::mHandler = NULL;
37android::sp<IdleInvalidator> IdleInvalidator::sInstance(0);
38
39IdleInvalidator::IdleInvalidator(): Thread(false), mHwcContext(0),
40 mSleepAgain(false), mSleepTime(0) {
Naseer Ahmed7c958d42012-07-31 18:57:03 -070041 ALOGD_IF(II_DEBUG, "%s", __func__);
Naseer Ahmed29a26812012-06-14 00:56:20 -070042 }
43
44int IdleInvalidator::init(InvalidatorHandler reg_handler, void* user_data,
45 unsigned int idleSleepTime) {
Naseer Ahmed7c958d42012-07-31 18:57:03 -070046 ALOGD_IF(II_DEBUG, "%s", __func__);
Naseer Ahmed29a26812012-06-14 00:56:20 -070047
Prabhanjan Kandula04167cb2013-07-09 15:41:08 +053048 Locker::Autolock _l(mLock);
Naseer Ahmed29a26812012-06-14 00:56:20 -070049 /* store registered handler */
50 mHandler = reg_handler;
51 mHwcContext = user_data;
52 mSleepTime = idleSleepTime; //Time in millis
53 return 0;
54}
55
56bool IdleInvalidator::threadLoop() {
Naseer Ahmed7c958d42012-07-31 18:57:03 -070057 ALOGD_IF(II_DEBUG, "%s", __func__);
58 usleep(mSleepTime * 500);
Prabhanjan Kandula04167cb2013-07-09 15:41:08 +053059
60 Locker::Autolock _l(mLock);
Naseer Ahmed29a26812012-06-14 00:56:20 -070061 if(mSleepAgain) {
62 //We need to sleep again!
63 mSleepAgain = false;
64 return true;
65 }
66
67 mHandler((void*)mHwcContext);
68 return false;
69}
70
71int IdleInvalidator::readyToRun() {
Naseer Ahmed7c958d42012-07-31 18:57:03 -070072 ALOGD_IF(II_DEBUG, "%s", __func__);
Naseer Ahmed29a26812012-06-14 00:56:20 -070073 return 0; /*NO_ERROR*/
74}
75
76void IdleInvalidator::onFirstRef() {
Naseer Ahmed7c958d42012-07-31 18:57:03 -070077 ALOGD_IF(II_DEBUG, "%s", __func__);
Naseer Ahmed29a26812012-06-14 00:56:20 -070078}
79
80void IdleInvalidator::markForSleep() {
Prabhanjan Kandula04167cb2013-07-09 15:41:08 +053081 Locker::Autolock _l(mLock);
Naseer Ahmed29a26812012-06-14 00:56:20 -070082 mSleepAgain = true;
83 //Triggers the threadLoop to run, if not already running.
84 run(threadName, android::PRIORITY_AUDIO);
85}
86
87IdleInvalidator *IdleInvalidator::getInstance() {
Naseer Ahmed7c958d42012-07-31 18:57:03 -070088 ALOGD_IF(II_DEBUG, "%s", __func__);
Naseer Ahmed29a26812012-06-14 00:56:20 -070089 if(sInstance.get() == NULL)
90 sInstance = new IdleInvalidator();
91 return sInstance.get();
92}