external.cpp revision f402f149587c185267504f6eec780eb3fe010a55
10c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed/*
20c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * Copyright (C) 2010 The Android Open Source Project
356f610dd235b577725198e9341caae92379fdf23Saurabh Shah * Copyright (C) 2012, The Linux Foundation. All rights reserved.
40c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed *
50c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * Not a Contribution, Apache license notifications and license are
60c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * retained for attribution purposes only.
70c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed *
80c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * Licensed under the Apache License, Version 2.0 (the "License");
90c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * you may not use this file except in compliance with the License.
100c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * You may obtain a copy of the License at
110c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed *
120c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed *      http://www.apache.org/licenses/LICENSE-2.0
130c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed *
140c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * Unless required by applicable law or agreed to in writing, software
150c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * distributed under the License is distributed on an "AS IS" BASIS,
160c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
170c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * See the License for the specific language governing permissions and
180c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed * limitations under the License.
190c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed */
200c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2172cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed#define DEBUG 0
220c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <ctype.h>
2372cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed#include <fcntl.h>
240c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <media/IAudioPolicyService.h>
250c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <media/AudioSystem.h>
260c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <utils/threads.h>
270c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <utils/Errors.h>
280c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <utils/Log.h>
290c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
300c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <linux/msm_mdp.h>
310c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <linux/fb.h>
320c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <sys/ioctl.h>
330c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <sys/poll.h>
3472cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed#include <sys/resource.h>
350c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include <cutils/properties.h>
360c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#include "hwc_utils.h"
3756f610dd235b577725198e9341caae92379fdf23Saurabh Shah#include "external.h"
3856f610dd235b577725198e9341caae92379fdf23Saurabh Shah#include "overlayUtils.h"
39c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar#include "overlay.h"
4056f610dd235b577725198e9341caae92379fdf23Saurabh Shah
4156f610dd235b577725198e9341caae92379fdf23Saurabh Shahusing namespace android;
420c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
430c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmednamespace qhwc {
440c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
45c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar#define MAX_FRAME_BUFFER_NAME_SIZE      (80)
46c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar#define MAX_DISPLAY_DEVICES             (3)
47c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar
48c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar
49c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarconst char* msmFbDevicePath[] = {  "/dev/graphics/fb1",
50c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                                   "/dev/graphics/fb2"};
51c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar
52c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar/*
53c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar * Updates extDeviceFbIndex Array with the correct frame buffer indices
54c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar * of avaiable external devices
55c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar *
56c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar */
57c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarvoid ExternalDisplay::updateExtDispDevFbIndex()
58c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar{
59c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    FILE *displayDeviceFP = NULL;
60c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    char fbType[MAX_FRAME_BUFFER_NAME_SIZE];
61c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    char msmFbTypePath[MAX_FRAME_BUFFER_NAME_SIZE];
62c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar
63c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    for(int j = 1; j < MAX_DISPLAY_DEVICES; j++) {
64c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        sprintf (msmFbTypePath,"/sys/class/graphics/fb%d/msm_fb_type", j);
65c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        displayDeviceFP = fopen(msmFbTypePath, "r");
66c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        if(displayDeviceFP){
67c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar            fread(fbType, sizeof(char), MAX_FRAME_BUFFER_NAME_SIZE,
68c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                    displayDeviceFP);
69c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar            if(strncmp(fbType, "dtv panel", strlen("dtv panel")) == 0){
70c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                ALOGD_IF(DEBUG,"hdmi framebuffer index is %d",j);
71c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                mHdmiFbNum = j;
72c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar            } else if(strncmp(fbType, "writeback panel",
73c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                                    strlen("writeback panel")) == 0){
74c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                ALOGD_IF(DEBUG,"wfd framebuffer index is %d",j);
75c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                mWfdFbNum = j;
76c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar            }
77c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar            fclose(displayDeviceFP);
78c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        }
79c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }
80c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    ALOGD_IF(DEBUG,"%s: mHdmiFbNum: %d mWfdFbNum: %d ",__FUNCTION__,
81c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                                                       mHdmiFbNum, mWfdFbNum);
82c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar}
83c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar
84c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarint ExternalDisplay::configureHDMIDisplay() {
85c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    openFrameBuffer(mHdmiFbNum);
86c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    if(mFd == -1)
87c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        return -1;
88c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    readResolution();
89c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    // TODO: Move this to activate
90f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    /* Used for changing the resolution
91f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R     * getUserMode will get the preferred
92f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R     * mode set thru adb shell */
93f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    int mode = getUserMode();
94f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    if (mode == -1) {
95f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        //Get the best mode and set
96f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        mode = getBestMode();
97f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    }
98f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    setResolution(mode);
99c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    setDpyHdmiAttr();
100c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    setExternalDisplay(true, mHdmiFbNum);
101c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    return 0;
102c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar}
103c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar
104c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarint ExternalDisplay::configureWFDDisplay() {
105c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    int ret = 0;
106c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    if(mConnectedFbNum == mHdmiFbNum) {
107c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        ALOGE("%s: Cannot process WFD connection while HDMI is active",
108c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                     __FUNCTION__);
109c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        return -1;
110c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }
111c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    openFrameBuffer(mWfdFbNum);
112c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    if(mFd == -1)
113c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        return -1;
114c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    ret = ioctl(mFd, FBIOGET_VSCREENINFO, &mVInfo);
115c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    if(ret < 0) {
116c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        ALOGD("In %s: FBIOGET_VSCREENINFO failed Err Str = %s", __FUNCTION__,
117c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                strerror(errno));
118c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }
119c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    setDpyWfdAttr();
120c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    setExternalDisplay(true, mWfdFbNum);
121c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    return 0;
122c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar}
123c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar
124c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarint ExternalDisplay::teardownHDMIDisplay() {
125c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    if(mConnectedFbNum == mHdmiFbNum) {
126c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        // hdmi offline event..!
127c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        closeFrameBuffer();
128c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        resetInfo();
129c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        setExternalDisplay(false);
130c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }
131c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    return 0;
132c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar}
1330c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
134c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarint ExternalDisplay::teardownWFDDisplay() {
135c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    if(mConnectedFbNum == mWfdFbNum) {
136c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        // wfd offline event..!
137c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        closeFrameBuffer();
138c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        memset(&mVInfo, 0, sizeof(mVInfo));
139c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        setExternalDisplay(false);
140c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }
141c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    return 0;
142c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar}
1430c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
144c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarvoid ExternalDisplay::processUEventOnline(const char *str) {
145c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    const char *s1 = str + strlen("change@/devices/virtual/switch/");
146c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    if(!strncmp(s1,"hdmi",strlen(s1))) {
147c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        // hdmi online event..!
148c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        configureHDMIDisplay();
149c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }else if(!strncmp(s1,"wfd",strlen(s1))) {
150c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        // wfd online event..!
151c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        configureWFDDisplay();
152c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }
153c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar}
1540c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
155c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarvoid ExternalDisplay::processUEventOffline(const char *str) {
156c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    const char *s1 = str + strlen("change@/devices/virtual/switch/");
157c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    if(!strncmp(s1,"hdmi",strlen(s1))) {
158c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        teardownHDMIDisplay();
159c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }else if(!strncmp(s1,"wfd",strlen(s1))) {
160c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        teardownWFDDisplay();
161c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }
162c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar}
1630c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
164f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer AhmedExternalDisplay::ExternalDisplay(hwc_context_t* ctx):mFd(-1),
165c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    mCurrentMode(-1), mConnected(0), mConnectedFbNum(0), mModeCount(0),
166c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    mHwcContext(ctx), mHdmiFbNum(-1), mWfdFbNum(-1)
1670c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed{
168f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    memset(&mVInfo, 0, sizeof(mVInfo));
169c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    //Determine the fb index for external display devices.
170c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    updateExtDispDevFbIndex();
1710c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
1720c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
17356f610dd235b577725198e9341caae92379fdf23Saurabh Shahvoid ExternalDisplay::setEDIDMode(int resMode) {
17456f610dd235b577725198e9341caae92379fdf23Saurabh Shah    ALOGD_IF(DEBUG,"resMode=%d ", resMode);
17556f610dd235b577725198e9341caae92379fdf23Saurabh Shah    {
17656f610dd235b577725198e9341caae92379fdf23Saurabh Shah        Mutex::Autolock lock(mExtDispLock);
177c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        setExternalDisplay(false);
178c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        openFrameBuffer(mHdmiFbNum);
17956f610dd235b577725198e9341caae92379fdf23Saurabh Shah        setResolution(resMode);
18056f610dd235b577725198e9341caae92379fdf23Saurabh Shah    }
181c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    setExternalDisplay(true, mHdmiFbNum);
18256f610dd235b577725198e9341caae92379fdf23Saurabh Shah}
18356f610dd235b577725198e9341caae92379fdf23Saurabh Shah
18456f610dd235b577725198e9341caae92379fdf23Saurabh Shahvoid ExternalDisplay::setHPD(uint32_t startEnd) {
18556f610dd235b577725198e9341caae92379fdf23Saurabh Shah    ALOGD_IF(DEBUG,"HPD enabled=%d", startEnd);
18656f610dd235b577725198e9341caae92379fdf23Saurabh Shah    writeHPDOption(startEnd);
18756f610dd235b577725198e9341caae92379fdf23Saurabh Shah}
18856f610dd235b577725198e9341caae92379fdf23Saurabh Shah
18956f610dd235b577725198e9341caae92379fdf23Saurabh Shahvoid ExternalDisplay::setActionSafeDimension(int w, int h) {
19056f610dd235b577725198e9341caae92379fdf23Saurabh Shah    ALOGD_IF(DEBUG,"ActionSafe w=%d h=%d", w, h);
19156f610dd235b577725198e9341caae92379fdf23Saurabh Shah    Mutex::Autolock lock(mExtDispLock);
19256f610dd235b577725198e9341caae92379fdf23Saurabh Shah    overlay::utils::ActionSafe::getInstance()->setDimension(w, h);
193c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    setExternalDisplay(true, mHdmiFbNum);
19456f610dd235b577725198e9341caae92379fdf23Saurabh Shah}
19556f610dd235b577725198e9341caae92379fdf23Saurabh Shah
19656f610dd235b577725198e9341caae92379fdf23Saurabh Shahint ExternalDisplay::getModeCount() const {
19756f610dd235b577725198e9341caae92379fdf23Saurabh Shah    ALOGD_IF(DEBUG,"HPD mModeCount=%d", mModeCount);
19856f610dd235b577725198e9341caae92379fdf23Saurabh Shah    Mutex::Autolock lock(mExtDispLock);
19956f610dd235b577725198e9341caae92379fdf23Saurabh Shah    return mModeCount;
20056f610dd235b577725198e9341caae92379fdf23Saurabh Shah}
20156f610dd235b577725198e9341caae92379fdf23Saurabh Shah
20256f610dd235b577725198e9341caae92379fdf23Saurabh Shahvoid ExternalDisplay::getEDIDModes(int *out) const {
20356f610dd235b577725198e9341caae92379fdf23Saurabh Shah    Mutex::Autolock lock(mExtDispLock);
20456f610dd235b577725198e9341caae92379fdf23Saurabh Shah    for(int i = 0;i < mModeCount;i++) {
20556f610dd235b577725198e9341caae92379fdf23Saurabh Shah        out[i] = mEDIDModes[i];
20656f610dd235b577725198e9341caae92379fdf23Saurabh Shah    }
20756f610dd235b577725198e9341caae92379fdf23Saurabh Shah}
20856f610dd235b577725198e9341caae92379fdf23Saurabh Shah
20972cf9762f84aab07faab86e35fe830b63ec54d72Naseer AhmedExternalDisplay::~ExternalDisplay()
21072cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed{
211f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    closeFrameBuffer();
2120c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
2130c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2140c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmedstruct disp_mode_timing_type {
2150c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int  video_format;
2160c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2170c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int  active_h;
2180c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int  active_v;
2190c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2200c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int  front_porch_h;
2210c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int  pulse_width_h;
2220c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int  back_porch_h;
2230c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2240c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int  front_porch_v;
2250c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int  pulse_width_v;
2260c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int  back_porch_v;
2270c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2280c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int  pixel_freq;
2290c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    bool interlaced;
2300c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2310c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    void set_info(struct fb_var_screeninfo &info) const;
2320c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed};
2330c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2340c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmedvoid disp_mode_timing_type::set_info(struct fb_var_screeninfo &info) const
2350c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed{
2360c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.reserved[0] = 0;
2370c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.reserved[1] = 0;
2380c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.reserved[2] = 0;
23956f610dd235b577725198e9341caae92379fdf23Saurabh Shah    info.reserved[3] = (info.reserved[3] & 0xFFFF) | (video_format << 16);
2400c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2410c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.xoffset = 0;
2420c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.yoffset = 0;
2430c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.xres = active_h;
2440c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.yres = active_v;
2450c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2460c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.pixclock = pixel_freq*1000;
2470c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.vmode = interlaced ? FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED;
2480c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2490c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.right_margin = front_porch_h;
2500c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.hsync_len = pulse_width_h;
2510c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.left_margin = back_porch_h;
2520c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.lower_margin = front_porch_v;
2530c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.vsync_len = pulse_width_v;
2540c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    info.upper_margin = back_porch_v;
2550c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
2560c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2570c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed/* Video formates supported by the HDMI Standard */
2580c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed/* Indicates the resolution, pix clock and the aspect ratio */
2590c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m640x480p60_4_3         1
2600c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m720x480p60_4_3         2
2610c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m720x480p60_16_9        3
2620c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1280x720p60_16_9       4
2630c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1920x1080i60_16_9      5
2640c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1440x480i60_4_3        6
2650c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1440x480i60_16_9       7
2660c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1920x1080p60_16_9      16
2670c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m720x576p50_4_3         17
2680c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m720x576p50_16_9        18
2690c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1280x720p50_16_9       19
2700c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1440x576i50_4_3        21
2710c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1440x576i50_16_9       22
2720c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1920x1080p50_16_9      31
2730c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1920x1080p24_16_9      32
2740c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1920x1080p25_16_9      33
2750c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed#define m1920x1080p30_16_9      34
2760c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
2770c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmedstatic struct disp_mode_timing_type supported_video_mode_lut[] = {
2780c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m640x480p60_4_3,     640,  480,  16,  96,  48, 10, 2, 33,  25200, false},
2790c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m720x480p60_4_3,     720,  480,  16,  62,  60,  9, 6, 30,  27030, false},
2800c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m720x480p60_16_9,    720,  480,  16,  62,  60,  9, 6, 30,  27030, false},
2810c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1280x720p60_16_9,  1280,  720, 110,  40, 220,  5, 5, 20,  74250, false},
2820c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1920x1080i60_16_9, 1920,  540,  88,  44, 148,  2, 5,  5,  74250, false},
2830c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1440x480i60_4_3,   1440,  240,  38, 124, 114,  4, 3, 15,  27000, true},
2840c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1440x480i60_16_9,  1440,  240,  38, 124, 114,  4, 3, 15,  27000, true},
2850c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1920x1080p60_16_9, 1920, 1080,  88,  44, 148,  4, 5, 36, 148500, false},
2860c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m720x576p50_4_3,     720,  576,  12,  64,  68,  5, 5, 39,  27000, false},
2870c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m720x576p50_16_9,    720,  576,  12,  64,  68,  5, 5, 39,  27000, false},
2880c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1280x720p50_16_9,  1280,  720, 440,  40, 220,  5, 5, 20,  74250, false},
2890c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1440x576i50_4_3,   1440,  288,  24, 126, 138,  2, 3, 19,  27000, true},
2900c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1440x576i50_16_9,  1440,  288,  24, 126, 138,  2, 3, 19,  27000, true},
2910c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1920x1080p50_16_9, 1920, 1080, 528,  44, 148,  4, 5, 36, 148500, false},
2920c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1920x1080p24_16_9, 1920, 1080, 638,  44, 148,  4, 5, 36,  74250, false},
2930c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1920x1080p25_16_9, 1920, 1080, 528,  44, 148,  4, 5, 36,  74250, false},
2940c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    {m1920x1080p30_16_9, 1920, 1080,  88,  44, 148,  4, 5, 36,  74250, false},
2950c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed};
29672cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed
297f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmedint ExternalDisplay::parseResolution(char* edidStr, int* edidModes)
2980c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed{
2990c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    char delim = ',';
3000c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int count = 0;
3010c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    char *start, *end;
3020c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    // EDIDs are string delimited by ','
3030c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    // Ex: 16,4,5,3,32,34,1
3040c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    // Parse this string to get mode(int)
3050c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    start = (char*) edidStr;
306f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    end = &delim;
307f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    while(*end == delim) {
308f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        edidModes[count] = (int) strtol(start, &end, 10);
3090c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        start = end+1;
3100c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        count++;
3110c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    }
312f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    ALOGD_IF(DEBUG, "In %s: count = %d", __FUNCTION__, count);
313f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    for (int i = 0; i < count; i++)
314f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        ALOGD_IF(DEBUG, "Mode[%d] = %d", i, edidModes[i]);
3150c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    return count;
3160c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
317f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed
31872cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmedbool ExternalDisplay::readResolution()
3190c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed{
320c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    char sysFsEDIDFilePath[255];
321c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    sprintf(sysFsEDIDFilePath , "/sys/devices/virtual/graphics/fb%d/edid_modes",
322c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar            mHdmiFbNum);
323c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar
324c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    int hdmiEDIDFile = open(sysFsEDIDFilePath, O_RDONLY, 0);
3250c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int len = -1;
3260c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
3270c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    if (hdmiEDIDFile < 0) {
328f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        ALOGE("%s: edid_modes file '%s' not found",
329c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                 __FUNCTION__, sysFsEDIDFilePath);
3300c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        return false;
3310c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    } else {
3320c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        len = read(hdmiEDIDFile, mEDIDs, sizeof(mEDIDs)-1);
33372cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed        ALOGD_IF(DEBUG, "%s: EDID string: %s length = %d",
33472cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed                 __FUNCTION__, mEDIDs, len);
3350c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        if ( len <= 0) {
336f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed            ALOGE("%s: edid_modes file empty '%s'",
337c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                     __FUNCTION__, sysFsEDIDFilePath);
3380c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        }
3390c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        else {
3400c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            while (len > 1 && isspace(mEDIDs[len-1]))
3410c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed                --len;
3420c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            mEDIDs[len] = 0;
3430c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        }
3440c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    }
3450c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    close(hdmiEDIDFile);
3460c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    if(len > 0) {
347c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        // Get EDID modes from the EDID strings
348f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        mModeCount = parseResolution(mEDIDs, mEDIDModes);
34972cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed        ALOGD_IF(DEBUG, "%s: mModeCount = %d", __FUNCTION__,
35072cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed                 mModeCount);
3510c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    }
3520c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
3530c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    return (strlen(mEDIDs) > 0);
3540c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
3550c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
356c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarbool ExternalDisplay::openFrameBuffer(int fbNum)
3570c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed{
358f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    if (mFd == -1) {
359c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        mFd = open(msmFbDevicePath[fbNum-1], O_RDWR);
360f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        if (mFd < 0)
361c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar            ALOGE("%s: %s is not available", __FUNCTION__,
362c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                                            msmFbDevicePath[fbNum-1]);
363c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        if(mHwcContext) {
364c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar            mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].fd = mFd;
365c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        }
3663e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah    }
367f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    return (mFd > 0);
368f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed}
369f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed
370f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmedbool ExternalDisplay::closeFrameBuffer()
371f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed{
372f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    int ret = 0;
373f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    if(mFd > 0) {
374f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        ret = close(mFd);
375f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        mFd = -1;
3760c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    }
3773e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah    if(mHwcContext) {
3783e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].fd = mFd;
3793e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah    }
380f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    return (ret == 0);
3810c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
3820c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
383f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed// clears the vinfo, edid, best modes
384f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmedvoid ExternalDisplay::resetInfo()
385f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed{
386f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    memset(&mVInfo, 0, sizeof(mVInfo));
387f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    memset(mEDIDs, 0, sizeof(mEDIDs));
388f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    memset(mEDIDModes, 0, sizeof(mEDIDModes));
389f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    mModeCount = 0;
390f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    mCurrentMode = -1;
391f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed}
3920c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
39372cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmedint ExternalDisplay::getModeOrder(int mode)
3940c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed{
395f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    // XXX: We dont support interlaced modes but having
396f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    // it here for for future
3970c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    switch (mode) {
3980c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        default:
3990c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1440x480i60_4_3:
4000c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 1; // 480i 4:3
4010c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1440x480i60_16_9:
4020c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 2; // 480i 16:9
4030c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1440x576i50_4_3:
4040c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 3; // i576i 4:3
4050c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1440x576i50_16_9:
4060c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 4; // 576i 16:9
4070c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m640x480p60_4_3:
4080c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 5; // 640x480 4:3
4090c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m720x480p60_4_3:
4100c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 6; // 480p 4:3
4110c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m720x480p60_16_9:
4120c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 7; // 480p 16:9
4130c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m720x576p50_4_3:
4140c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 8; // 576p 4:3
4150c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m720x576p50_16_9:
4160c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 9; // 576p 16:9
4170c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1920x1080i60_16_9:
4180c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 10; // 1080i 16:9
4190c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1280x720p50_16_9:
4200c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 11; // 720p@50Hz
4210c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1280x720p60_16_9:
4220c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 12; // 720p@60Hz
4230c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1920x1080p24_16_9:
4240c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 13; //1080p@24Hz
4250c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1920x1080p25_16_9:
4260c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 14; //108-p@25Hz
4270c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1920x1080p30_16_9:
4280c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 15; //1080p@30Hz
4290c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1920x1080p50_16_9:
4300c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 16; //1080p@50Hz
4310c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        case m1920x1080p60_16_9:
4320c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            return 17; //1080p@60Hz
43372cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed    }
4340c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
4350c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
436f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R/// Returns the user mode set(if any) using adb shell
437f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.Rint ExternalDisplay::getUserMode() {
438f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    /* Based on the property set the resolution */
439f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    char property_value[PROPERTY_VALUE_MAX];
440f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    property_get("hdmi.resolution", property_value, "-1");
441f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    int mode = atoi(property_value);
442f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    // We dont support interlaced modes
443f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    if(isValidMode(mode) && !isInterlacedMode(mode)) {
444f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        ALOGD_IF("%s: setting the HDMI mode = %d", __FUNCTION__, mode);
445f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        return mode;
446f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    }
447f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    return -1;
448f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R}
449f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R
4500c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed// Get the best mode for the current HD TV
45172cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmedint ExternalDisplay::getBestMode() {
4520c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int bestOrder = 0;
4530c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    int bestMode = m640x480p60_4_3;
45456f610dd235b577725198e9341caae92379fdf23Saurabh Shah    Mutex::Autolock lock(mExtDispLock);
4550c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    // for all the edid read, get the best mode
4560c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    for(int i = 0; i < mModeCount; i++) {
4570c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        int mode = mEDIDModes[i];
4580c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        int order = getModeOrder(mode);
4590c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        if (order > bestOrder) {
4600c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            bestOrder = order;
4610c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            bestMode = mode;
4620c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        }
4630c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    }
4640c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    return bestMode;
46572cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed}
4660c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
46772cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmedinline bool ExternalDisplay::isValidMode(int ID)
4680c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed{
469f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    bool valid = false;
470f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    for (int i = 0; i < mModeCount; i++) {
471f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        if(ID == mEDIDModes[i]) {
472f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R            valid = true;
473f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R            break;
474f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        }
475f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    }
476f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    return valid;
477f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R}
478f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R
479f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R// returns true if the mode(ID) is interlaced mode format
480f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.Rbool ExternalDisplay::isInterlacedMode(int ID) {
481f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    bool interlaced = false;
482f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    switch(ID) {
483f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        case m1440x480i60_4_3:
484f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        case m1440x480i60_16_9:
485f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        case m1440x576i50_4_3:
486f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        case m1440x576i50_16_9:
487f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        case m1920x1080i60_16_9:
488f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R            interlaced = true;
489f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R        default:
490f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R            interlaced = false;
491f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    }
492f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    return interlaced;
4930c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
4940c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
49572cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmedvoid ExternalDisplay::setResolution(int ID)
4960c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed{
4970c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    struct fb_var_screeninfo info;
498f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    int ret = 0;
499f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    ret = ioctl(mFd, FBIOGET_VSCREENINFO, &mVInfo);
500f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    if(ret < 0) {
501f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        ALOGD("In %s: FBIOGET_VSCREENINFO failed Err Str = %s", __FUNCTION__,
502f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed                                                            strerror(errno));
503f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    }
504f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed
505f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    ALOGD_IF(DEBUG, "%s: GET Info<ID=%d %dx%d (%d,%d,%d),"
506f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed            "(%d,%d,%d) %dMHz>", __FUNCTION__,
507f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed            mVInfo.reserved[3], mVInfo.xres, mVInfo.yres,
508f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed            mVInfo.right_margin, mVInfo.hsync_len, mVInfo.left_margin,
509f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed            mVInfo.lower_margin, mVInfo.vsync_len, mVInfo.upper_margin,
510f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed            mVInfo.pixclock/1000/1000);
511f402f149587c185267504f6eec780eb3fe010a55Arun Kumar K.R    //If its a new ID - update var_screeninfo
512f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    if ((isValidMode(ID)) && mCurrentMode != ID) {
5130c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        const struct disp_mode_timing_type *mode =
51472cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed            &supported_video_mode_lut[0];
5150c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        unsigned count =  sizeof(supported_video_mode_lut)/sizeof
51672cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed            (*supported_video_mode_lut);
5170c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        for (unsigned int i = 0; i < count; ++i) {
5180c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            const struct disp_mode_timing_type *cur =
51972cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed                &supported_video_mode_lut[i];
5200c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            if (cur->video_format == ID)
5210c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed                mode = cur;
5220c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        }
523f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        mode->set_info(mVInfo);
524f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        ALOGD_IF(DEBUG, "%s: SET Info<ID=%d => Info<ID=%d %dx %d"
52572cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmed                 "(%d,%d,%d), (%d,%d,%d) %dMHz>", __FUNCTION__, ID,
526f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed                 mVInfo.reserved[3], mVInfo.xres, mVInfo.yres,
527f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed                 mVInfo.right_margin, mVInfo.hsync_len, mVInfo.left_margin,
528f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed                 mVInfo.lower_margin, mVInfo.vsync_len, mVInfo.upper_margin,
529f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed                 mVInfo.pixclock/1000/1000);
530f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        mVInfo.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_ALL | FB_ACTIVATE_FORCE;
531f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        ret = ioctl(mFd, FBIOPUT_VSCREENINFO, &mVInfo);
532f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        if(ret < 0) {
533f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed            ALOGD("In %s: FBIOPUT_VSCREENINFO failed Err Str = %s",
534f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed                                                 __FUNCTION__, strerror(errno));
535f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        }
536f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        mCurrentMode = ID;
5370c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    }
5380c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
5390c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
540c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarvoid ExternalDisplay::setExternalDisplay(bool connected, int extFbNum)
5410c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed{
5420c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    hwc_context_t* ctx = mHwcContext;
5430c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    if(ctx) {
544c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        ALOGD_IF(DEBUG, "%s: connected = %d", __FUNCTION__, connected);
5450c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        // Store the external display
546c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        mConnected = connected;
547c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        mConnectedFbNum = extFbNum;
548c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].connected = connected;
549c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        // Update external fb number in Overlay context
550c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        overlay::Overlay::getInstance()->setExtFbNum(extFbNum);
5510c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    }
552c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar}
553c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar
554c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarint ExternalDisplay::getExtFbNum(int &fbNum) {
555c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    int ret = -1;
556c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    if(mConnected) {
557c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        fbNum = mConnectedFbNum;
558c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        ret = 0;
559c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }
560c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    return ret;
5610c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
5620c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed
56372cf9762f84aab07faab86e35fe830b63ec54d72Naseer Ahmedbool ExternalDisplay::writeHPDOption(int userOption) const
5640c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed{
5650c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    bool ret = true;
566c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    char sysFsHPDFilePath[255];
567c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    sprintf(sysFsHPDFilePath ,"/sys/devices/virtual/graphics/fb%d/hpd",
568c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                                mHdmiFbNum);
569c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    int hdmiHPDFile = open(sysFsHPDFilePath,O_RDWR, 0);
5700c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    if (hdmiHPDFile < 0) {
571c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        ALOGE("%s: state file '%s' not found : ret%d err str: %s", __FUNCTION__,
572c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                                sysFsHPDFilePath, hdmiHPDFile, strerror(errno));
5730c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        ret = false;
5740c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    } else {
5750c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        int err = -1;
576c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        ALOGD_IF(DEBUG, "%s: option = %d", __FUNCTION__, userOption);
5770c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        if(userOption)
5780c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            err = write(hdmiHPDFile, "1", 2);
5790c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        else
5800c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            err = write(hdmiHPDFile, "0" , 2);
5810c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        if (err <= 0) {
582c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar            ALOGE("%s: file write failed '%s'", __FUNCTION__, sysFsHPDFilePath);
5830c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed            ret = false;
5840c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        }
5850c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed        close(hdmiHPDFile);
5860c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    }
5870c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed    return ret;
5880c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed}
589f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed
5903825f25827d3e23b0bc12e5bf453c851d4c238d8Saurabh Shah/*
5913825f25827d3e23b0bc12e5bf453c851d4c238d8Saurabh Shah * commits the changes to the external display
5923825f25827d3e23b0bc12e5bf453c851d4c238d8Saurabh Shah */
5933e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shahbool ExternalDisplay::post()
594f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed{
59565bb464dab7f1b35ffd4dda11a3d16885bbadf2dNaseer Ahmed    if(mFd == -1)
596f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed        return false;
59765bb464dab7f1b35ffd4dda11a3d16885bbadf2dNaseer Ahmed    struct mdp_display_commit ext_commit;
5986145012a20c4469625e5b3bc81aa919ccefcf958Naseer Ahmed    memset(&ext_commit, 0, sizeof(ext_commit));
5992279d22d6491034eccf478882f1a6daf30db1b66Ben Cheng    ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
60065bb464dab7f1b35ffd4dda11a3d16885bbadf2dNaseer Ahmed    if (ioctl(mFd, MSMFB_DISPLAY_COMMIT, &ext_commit) == -1) {
601c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        ALOGE("%s: MSMFB_DISPLAY_COMMIT for external failed, str: %s",
602c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                __FUNCTION__, strerror(errno));
603c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        return false;
604f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    }
605f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    return true;
606f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed}
607f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed
608c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarvoid ExternalDisplay::setDpyWfdAttr() {
609c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    if(mHwcContext) {
610c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].xres = mVInfo.xres;
611c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].yres = mVInfo.yres;
612c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].vsync_period =
613c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar                1000000000l /60;
614c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar        ALOGD_IF(DEBUG,"%s: wfd...connected..!",__FUNCTION__);
615c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar    }
616c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar}
617c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumar
618c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarvoid ExternalDisplay::setDpyHdmiAttr() {
6193e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah    int width = 0, height = 0, fps = 0;
6203e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah    getAttrForMode(width, height, fps);
6213e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah    if(mHwcContext) {
622c4d034f4b8d12953632907d30c0b78856d829579Saurabh Shah        ALOGD("ExtDisplay setting xres = %d, yres = %d", width, height);
6233e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].xres = width;
6243e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].yres = height;
625c4d034f4b8d12953632907d30c0b78856d829579Saurabh Shah        mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].vsync_period =
626c4d034f4b8d12953632907d30c0b78856d829579Saurabh Shah            1000000000l / fps;
6273e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah    }
6283e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah}
6293e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah
630c9ef1b45b51f4b541da4337cd86dc510654c390bAmara Venkata Mastan Manoj Kumarvoid ExternalDisplay::getAttrForMode(int& width, int& height, int& fps) {
6313e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah    switch (mCurrentMode) {
6323e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m640x480p60_4_3:
6333e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            width = 640;
6343e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            height = 480;
6353e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            fps = 60;
6363e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            break;
6373e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m720x480p60_4_3:
6383e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m720x480p60_16_9:
6393e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            width = 720;
6403e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            height = 480;
6413e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            fps = 60;
6423e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            break;
6433e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m720x576p50_4_3:
6443e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m720x576p50_16_9:
6453e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            width = 720;
6463e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            height = 576;
6473e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            fps = 50;
6483e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            break;
6493e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m1280x720p50_16_9:
6503e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            width = 1280;
6513e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            height = 720;
6523e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            fps = 50;
6533e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            break;
6543e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m1280x720p60_16_9:
6553e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            width = 1280;
6563e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            height = 720;
6573e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            fps = 60;
6583e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            break;
6593e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m1920x1080p24_16_9:
6603e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            width = 1920;
6613e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            height = 1080;
6623e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            fps = 24;
6633e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            break;
6643e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m1920x1080p25_16_9:
6653e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            width = 1920;
6663e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            height = 1080;
6673e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            fps = 25;
6683e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            break;
6693e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m1920x1080p30_16_9:
6703e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            width = 1920;
6713e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            height = 1080;
6723e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            fps = 30;
6733e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            break;
6743e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m1920x1080p50_16_9:
6753e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            width = 1920;
6763e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            height = 1080;
6773e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            fps = 50;
6783e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            break;
6793e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah        case m1920x1080p60_16_9:
6803e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            width = 1920;
6813e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            height = 1080;
6823e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            fps = 60;
6833e858ebde3f2b4e762af8f7f2808d45ba59b890dSaurabh Shah            break;
684f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed    }
685f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed}
686f8ec162999478a3f96dd945831f7c2913a4d3cffNaseer Ahmed
6870c8b7b5c841a7fad5df11b7e02d7cd792cfcc734Naseer Ahmed};
688