19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifndef ANDROID_DISPLAY_HARDWARE_BASE_H 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define ANDROID_DISPLAY_HARDWARE_BASE_H 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdint.h> 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/RefBase.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/threads.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <linux/kd.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <linux/vt.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "Barrier.h" 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass SurfaceFlinger; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass DisplayHardwareBase 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic: 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DisplayHardwareBase( 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<SurfaceFlinger>& flinger, 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t displayIndex); 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ~DisplayHardwareBase(); 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // console managment 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void releaseScreen() const; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void acquireScreen() const; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool canDraw() const; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprivate: 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class DisplayEventThreadBase : public Thread { 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected: 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wp<SurfaceFlinger> mFlinger; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public: 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DisplayEventThreadBase(const sp<SurfaceFlinger>& flinger); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual ~DisplayEventThreadBase(); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual void onFirstRef() { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project run("DisplayEventThread", PRIORITY_URGENT_DISPLAY); 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t acquireScreen() const { return NO_ERROR; }; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t releaseScreen() const { return NO_ERROR; }; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t initCheck() const = 0; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class DisplayEventThread : public DisplayEventThreadBase 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mutable Barrier mBarrier; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public: 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DisplayEventThread(const sp<SurfaceFlinger>& flinger); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual ~DisplayEventThread(); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual bool threadLoop(); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t readyToRun(); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t releaseScreen() const; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t initCheck() const; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class ConsoleManagerThread : public DisplayEventThreadBase 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int consoleFd; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int vt_num; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int prev_vt_num; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project vt_mode vm; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static void sigHandler(int sig); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static pid_t sSignalCatcherPid; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public: 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ConsoleManagerThread(const sp<SurfaceFlinger>& flinger); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual ~ConsoleManagerThread(); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual bool threadLoop(); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t readyToRun(); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual void requestExit(); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t releaseScreen() const; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t initCheck() const; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<DisplayEventThreadBase> mDisplayEventThread; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mutable int mCanDraw; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif // ANDROID_DISPLAY_HARDWARE_BASE_H 97