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v811_spc009/hardware/qcom/display/msm8960/libexternal/external.cpp

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/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012, The Linux Foundation. All rights reserved.
*
* Not a Contribution, Apache license notifications and license are
* retained for attribution purposes only.
*
* 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 DEBUG 0
#include <ctype.h>
#include <fcntl.h>
#include <media/IAudioPolicyService.h>
#include <media/AudioSystem.h>
#include <utils/threads.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <linux/msm_mdp.h>
#include <linux/fb.h>
#include <sys/ioctl.h>
#include <sys/poll.h>
#include <sys/resource.h>
#include <cutils/properties.h>
#include "hwc_utils.h"
#include "external.h"
#include "overlayUtils.h"
#include "overlay.h"
using namespace android;
namespace qhwc {
#define MAX_FRAME_BUFFER_NAME_SIZE (80)
#define MAX_DISPLAY_DEVICES (3)
const char* msmFbDevicePath[] = { "/dev/graphics/fb1",
"/dev/graphics/fb2"};
/*
* Updates extDeviceFbIndex Array with the correct frame buffer indices
* of avaiable external devices
*
*/
void ExternalDisplay::updateExtDispDevFbIndex()
{
FILE *displayDeviceFP = NULL;
char fbType[MAX_FRAME_BUFFER_NAME_SIZE];
char msmFbTypePath[MAX_FRAME_BUFFER_NAME_SIZE];
for(int j = 1; j < MAX_DISPLAY_DEVICES; j++) {
sprintf (msmFbTypePath,"/sys/class/graphics/fb%d/msm_fb_type", j);
displayDeviceFP = fopen(msmFbTypePath, "r");
if(displayDeviceFP){
fread(fbType, sizeof(char), MAX_FRAME_BUFFER_NAME_SIZE,
displayDeviceFP);
if(strncmp(fbType, "dtv panel", strlen("dtv panel")) == 0){
ALOGD_IF(DEBUG,"hdmi framebuffer index is %d",j);
mHdmiFbNum = j;
} else if(strncmp(fbType, "writeback panel",
strlen("writeback panel")) == 0){
ALOGD_IF(DEBUG,"wfd framebuffer index is %d",j);
mWfdFbNum = j;
}
fclose(displayDeviceFP);
}
}
ALOGD_IF(DEBUG,"%s: mHdmiFbNum: %d mWfdFbNum: %d ",__FUNCTION__,
mHdmiFbNum, mWfdFbNum);
}
int ExternalDisplay::configureHDMIDisplay() {
openFrameBuffer(mHdmiFbNum);
if(mFd == -1)
return -1;
readCEUnderscanInfo();
readResolution();
// TODO: Move this to activate
/* Used for changing the resolution
* getUserMode will get the preferred
* mode set thru adb shell */
int mode = getUserMode();
if (mode == -1) {
//Get the best mode and set
mode = getBestMode();
}
setResolution(mode);
setDpyHdmiAttr();
setExternalDisplay(true, mHdmiFbNum);
return 0;
}
int ExternalDisplay::configureWFDDisplay() {
int ret = 0;
if(mConnectedFbNum == mHdmiFbNum) {
ALOGE("%s: Cannot process WFD connection while HDMI is active",
__FUNCTION__);
return -1;
}
openFrameBuffer(mWfdFbNum);
if(mFd == -1)
return -1;
ret = ioctl(mFd, FBIOGET_VSCREENINFO, &mVInfo);
if(ret < 0) {
ALOGD("In %s: FBIOGET_VSCREENINFO failed Err Str = %s", __FUNCTION__,
strerror(errno));
}
setDpyWfdAttr();
setExternalDisplay(true, mWfdFbNum);
return 0;
}
int ExternalDisplay::teardownHDMIDisplay() {
if(mConnectedFbNum == mHdmiFbNum) {
// hdmi offline event..!
closeFrameBuffer();
resetInfo();
setExternalDisplay(false);
}
return 0;
}
int ExternalDisplay::teardownWFDDisplay() {
if(mConnectedFbNum == mWfdFbNum) {
// wfd offline event..!
closeFrameBuffer();
memset(&mVInfo, 0, sizeof(mVInfo));
setExternalDisplay(false);
}
return 0;
}
void ExternalDisplay::processUEventOnline(const char *str) {
const char *s1 = str + strlen("change@/devices/virtual/switch/");
if(!strncmp(s1,"hdmi",strlen(s1))) {
// hdmi online event..!
configureHDMIDisplay();
// set system property
property_set("hw.hdmiON", "1");
}else if(!strncmp(s1,"wfd",strlen(s1))) {
// wfd online event..!
configureWFDDisplay();
}
}
void ExternalDisplay::processUEventOffline(const char *str) {
const char *s1 = str + strlen("change@/devices/virtual/switch/");
if(!strncmp(s1,"hdmi",strlen(s1))) {
teardownHDMIDisplay();
// unset system property
property_set("hw.hdmiON", "0");
}else if(!strncmp(s1,"wfd",strlen(s1))) {
teardownWFDDisplay();
}
}
ExternalDisplay::ExternalDisplay(hwc_context_t* ctx):mFd(-1),
mCurrentMode(-1), mConnected(0), mConnectedFbNum(0), mModeCount(0),
mUnderscanSupported(false), mHwcContext(ctx), mHdmiFbNum(-1),
mWfdFbNum(-1), mExtDpyNum(HWC_DISPLAY_EXTERNAL)
{
memset(&mVInfo, 0, sizeof(mVInfo));
//Determine the fb index for external display devices.
updateExtDispDevFbIndex();
// disable HPD at start, it will be enabled later
// when the display powers on
// This helps for framework reboot or adb shell stop/start
writeHPDOption(0);
}
void ExternalDisplay::setEDIDMode(int resMode) {
ALOGD_IF(DEBUG,"resMode=%d ", resMode);
{
Mutex::Autolock lock(mExtDispLock);
setExternalDisplay(false);
openFrameBuffer(mHdmiFbNum);
setResolution(resMode);
}
setExternalDisplay(true, mHdmiFbNum);
}
void ExternalDisplay::setHPD(uint32_t startEnd) {
ALOGD_IF(DEBUG,"HPD enabled=%d", startEnd);
writeHPDOption(startEnd);
}
void ExternalDisplay::setActionSafeDimension(int w, int h) {
ALOGD_IF(DEBUG,"ActionSafe w=%d h=%d", w, h);
Mutex::Autolock lock(mExtDispLock);
char actionsafeWidth[PROPERTY_VALUE_MAX];
char actionsafeHeight[PROPERTY_VALUE_MAX];
sprintf(actionsafeWidth, "%d", w);
property_set("hw.actionsafe.width", actionsafeWidth);
sprintf(actionsafeHeight, "%d", h);
property_set("hw.actionsafe.height", actionsafeHeight);
setExternalDisplay(true, mHdmiFbNum);
}
int ExternalDisplay::getModeCount() const {
ALOGD_IF(DEBUG,"HPD mModeCount=%d", mModeCount);
Mutex::Autolock lock(mExtDispLock);
return mModeCount;
}
void ExternalDisplay::getEDIDModes(int *out) const {
Mutex::Autolock lock(mExtDispLock);
for(int i = 0;i < mModeCount;i++) {
out[i] = mEDIDModes[i];
}
}
void ExternalDisplay::readCEUnderscanInfo()
{
int hdmiScanInfoFile = -1;
int len = -1;
char scanInfo[17];
char *ce_info_str = NULL;
const char token[] = ", \n";
int ce_info = -1;
char sysFsScanInfoFilePath[128];
sprintf(sysFsScanInfoFilePath, "/sys/devices/virtual/graphics/fb%d/"
"scan_info", mHdmiFbNum);
memset(scanInfo, 0, sizeof(scanInfo));
hdmiScanInfoFile = open(sysFsScanInfoFilePath, O_RDONLY, 0);
if (hdmiScanInfoFile < 0) {
ALOGD_IF(DEBUG, "%s: scan_info file '%s' not found",
__FUNCTION__, sysFsScanInfoFilePath);
return;
} else {
len = read(hdmiScanInfoFile, scanInfo, sizeof(scanInfo)-1);
ALOGD("%s: Scan Info string: %s length = %d",
__FUNCTION__, scanInfo, len);
if (len <= 0) {
close(hdmiScanInfoFile);
ALOGE("%s: Scan Info file empty '%s'",
__FUNCTION__, sysFsScanInfoFilePath);
return;
}
scanInfo[len] = '\0'; /* null terminate the string */
}
close(hdmiScanInfoFile);
/*
* The scan_info contains the three fields
* PT - preferred video format
* IT - video format
* CE video format - containing the underscan support information
*/
/* PT */
ce_info_str = strtok(scanInfo, token);
if (ce_info_str) {
/* IT */
ce_info_str = strtok(NULL, token);
if (ce_info_str) {
/* CE */
ce_info_str = strtok(NULL, token);
if (ce_info_str)
ce_info = atoi(ce_info_str);
}
}
if (ce_info_str) {
// ce_info contains the underscan information
if (ce_info == EXT_SCAN_ALWAYS_UNDERSCANED ||
ce_info == EXT_SCAN_BOTH_SUPPORTED)
// if TV supported underscan, then driver will always underscan
// hence no need to apply action safe rectangle
mUnderscanSupported = true;
} else {
ALOGE("%s: scan_info string error", __FUNCTION__);
}
// Store underscan support info in a system property
const char* prop = (mUnderscanSupported) ? "1" : "0";
property_set("hw.underscan_supported", prop);
return;
}
ExternalDisplay::~ExternalDisplay()
{
closeFrameBuffer();
}
struct disp_mode_timing_type {
int video_format;
int active_h;
int active_v;
int front_porch_h;
int pulse_width_h;
int back_porch_h;
int front_porch_v;
int pulse_width_v;
int back_porch_v;
int pixel_freq;
bool interlaced;
void set_info(struct fb_var_screeninfo &info) const;
};
void disp_mode_timing_type::set_info(struct fb_var_screeninfo &info) const
{
info.reserved[0] = 0;
info.reserved[1] = 0;
info.reserved[2] = 0;
#ifndef FB_METADATA_VIDEO_INFO_CODE_SUPPORT
info.reserved[3] = (info.reserved[3] & 0xFFFF) | (video_format << 16);
#endif
info.xoffset = 0;
info.yoffset = 0;
info.xres = active_h;
info.yres = active_v;
info.pixclock = pixel_freq*1000;
info.vmode = interlaced ? FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED;
info.right_margin = front_porch_h;
info.hsync_len = pulse_width_h;
info.left_margin = back_porch_h;
info.lower_margin = front_porch_v;
info.vsync_len = pulse_width_v;
info.upper_margin = back_porch_v;
}
/* Video formates supported by the HDMI Standard */
/* Indicates the resolution, pix clock and the aspect ratio */
#define m640x480p60_4_3 1
#define m720x480p60_4_3 2
#define m720x480p60_16_9 3
#define m1280x720p60_16_9 4
#define m1920x1080i60_16_9 5
#define m1440x480i60_4_3 6
#define m1440x480i60_16_9 7
#define m1920x1080p60_16_9 16
#define m720x576p50_4_3 17
#define m720x576p50_16_9 18
#define m1280x720p50_16_9 19
#define m1440x576i50_4_3 21
#define m1440x576i50_16_9 22
#define m1920x1080p50_16_9 31
#define m1920x1080p24_16_9 32
#define m1920x1080p25_16_9 33
#define m1920x1080p30_16_9 34
static struct disp_mode_timing_type supported_video_mode_lut[] = {
{m640x480p60_4_3, 640, 480, 16, 96, 48, 10, 2, 33, 25200, false},
{m720x480p60_4_3, 720, 480, 16, 62, 60, 9, 6, 30, 27030, false},
{m720x480p60_16_9, 720, 480, 16, 62, 60, 9, 6, 30, 27030, false},
{m1280x720p60_16_9, 1280, 720, 110, 40, 220, 5, 5, 20, 74250, false},
{m1920x1080i60_16_9, 1920, 540, 88, 44, 148, 2, 5, 5, 74250, false},
{m1440x480i60_4_3, 1440, 240, 38, 124, 114, 4, 3, 15, 27000, true},
{m1440x480i60_16_9, 1440, 240, 38, 124, 114, 4, 3, 15, 27000, true},
{m1920x1080p60_16_9, 1920, 1080, 88, 44, 148, 4, 5, 36, 148500, false},
{m720x576p50_4_3, 720, 576, 12, 64, 68, 5, 5, 39, 27000, false},
{m720x576p50_16_9, 720, 576, 12, 64, 68, 5, 5, 39, 27000, false},
{m1280x720p50_16_9, 1280, 720, 440, 40, 220, 5, 5, 20, 74250, false},
{m1440x576i50_4_3, 1440, 288, 24, 126, 138, 2, 3, 19, 27000, true},
{m1440x576i50_16_9, 1440, 288, 24, 126, 138, 2, 3, 19, 27000, true},
{m1920x1080p50_16_9, 1920, 1080, 528, 44, 148, 4, 5, 36, 148500, false},
{m1920x1080p24_16_9, 1920, 1080, 638, 44, 148, 4, 5, 36, 74250, false},
{m1920x1080p25_16_9, 1920, 1080, 528, 44, 148, 4, 5, 36, 74250, false},
{m1920x1080p30_16_9, 1920, 1080, 88, 44, 148, 4, 5, 36, 74250, false},
};
int ExternalDisplay::parseResolution(char* edidStr, int* edidModes)
{
char delim = ',';
int count = 0;
char *start, *end;
// EDIDs are string delimited by ','
// Ex: 16,4,5,3,32,34,1
// Parse this string to get mode(int)
start = (char*) edidStr;
end = &delim;
while(*end == delim) {
edidModes[count] = (int) strtol(start, &end, 10);
start = end+1;
count++;
}
ALOGD_IF(DEBUG, "In %s: count = %d", __FUNCTION__, count);
for (int i = 0; i < count; i++)
ALOGD_IF(DEBUG, "Mode[%d] = %d", i, edidModes[i]);
return count;
}
bool ExternalDisplay::readResolution()
{
char sysFsEDIDFilePath[255];
sprintf(sysFsEDIDFilePath , "/sys/devices/virtual/graphics/fb%d/edid_modes",
mHdmiFbNum);
int hdmiEDIDFile = open(sysFsEDIDFilePath, O_RDONLY, 0);
int len = -1;
if (hdmiEDIDFile < 0) {
ALOGE("%s: edid_modes file '%s' not found",
__FUNCTION__, sysFsEDIDFilePath);
return false;
} else {
len = read(hdmiEDIDFile, mEDIDs, sizeof(mEDIDs)-1);
ALOGD_IF(DEBUG, "%s: EDID string: %s length = %d",
__FUNCTION__, mEDIDs, len);
if ( len <= 0) {
ALOGE("%s: edid_modes file empty '%s'",
__FUNCTION__, sysFsEDIDFilePath);
}
else {
while (len > 1 && isspace(mEDIDs[len-1]))
--len;
mEDIDs[len] = 0;
}
}
close(hdmiEDIDFile);
if(len > 0) {
// Get EDID modes from the EDID strings
mModeCount = parseResolution(mEDIDs, mEDIDModes);
ALOGD_IF(DEBUG, "%s: mModeCount = %d", __FUNCTION__,
mModeCount);
}
return (strlen(mEDIDs) > 0);
}
bool ExternalDisplay::openFrameBuffer(int fbNum)
{
if (mFd == -1) {
mFd = open(msmFbDevicePath[fbNum-1], O_RDWR);
if (mFd < 0)
ALOGE("%s: %s is not available", __FUNCTION__,
msmFbDevicePath[fbNum-1]);
if(mHwcContext) {
mHwcContext->dpyAttr[mExtDpyNum].fd = mFd;
}
}
return (mFd > 0);
}
bool ExternalDisplay::closeFrameBuffer()
{
int ret = 0;
if(mFd >= 0) {
ret = close(mFd);
mFd = -1;
}
if(mHwcContext) {
mHwcContext->dpyAttr[mExtDpyNum].fd = mFd;
}
return (ret == 0);
}
// clears the vinfo, edid, best modes
void ExternalDisplay::resetInfo()
{
memset(&mVInfo, 0, sizeof(mVInfo));
memset(mEDIDs, 0, sizeof(mEDIDs));
memset(mEDIDModes, 0, sizeof(mEDIDModes));
mModeCount = 0;
mCurrentMode = -1;
mUnderscanSupported = false;
// Reset the underscan supported system property
const char* prop = "0";
property_set("hw.underscan_supported", prop);
}
int ExternalDisplay::getModeOrder(int mode)
{
// XXX: We dont support interlaced modes but having
// it here for for future
switch (mode) {
default:
case m1440x480i60_4_3:
return 1; // 480i 4:3
case m1440x480i60_16_9:
return 2; // 480i 16:9
case m1440x576i50_4_3:
return 3; // i576i 4:3
case m1440x576i50_16_9:
return 4; // 576i 16:9
case m640x480p60_4_3:
return 5; // 640x480 4:3
case m720x480p60_4_3:
return 6; // 480p 4:3
case m720x480p60_16_9:
return 7; // 480p 16:9
case m720x576p50_4_3:
return 8; // 576p 4:3
case m720x576p50_16_9:
return 9; // 576p 16:9
case m1920x1080i60_16_9:
return 10; // 1080i 16:9
case m1280x720p50_16_9:
return 11; // 720p@50Hz
case m1280x720p60_16_9:
return 12; // 720p@60Hz
case m1920x1080p24_16_9:
return 13; //1080p@24Hz
case m1920x1080p25_16_9:
return 14; //108-p@25Hz
case m1920x1080p30_16_9:
return 15; //1080p@30Hz
case m1920x1080p50_16_9:
return 16; //1080p@50Hz
case m1920x1080p60_16_9:
return 17; //1080p@60Hz
}
}
/// Returns the user mode set(if any) using adb shell
int ExternalDisplay::getUserMode() {
/* Based on the property set the resolution */
char property_value[PROPERTY_VALUE_MAX];
property_get("hw.hdmi.resolution", property_value, "-1");
int mode = atoi(property_value);
// We dont support interlaced modes
if(isValidMode(mode) && !isInterlacedMode(mode)) {
ALOGD_IF(DEBUG, "%s: setting the HDMI mode = %d", __FUNCTION__, mode);
return mode;
}
return -1;
}
// Get the best mode for the current HD TV
int ExternalDisplay::getBestMode() {
int bestOrder = 0;
int bestMode = m640x480p60_4_3;
Mutex::Autolock lock(mExtDispLock);
// for all the edid read, get the best mode
for(int i = 0; i < mModeCount; i++) {
int mode = mEDIDModes[i];
int order = getModeOrder(mode);
if (order > bestOrder) {
bestOrder = order;
bestMode = mode;
}
}
return bestMode;
}
inline bool ExternalDisplay::isValidMode(int ID)
{
bool valid = false;
for (int i = 0; i < mModeCount; i++) {
if(ID == mEDIDModes[i]) {
valid = true;
break;
}
}
return valid;
}
// returns true if the mode(ID) is interlaced mode format
bool ExternalDisplay::isInterlacedMode(int ID) {
bool interlaced = false;
switch(ID) {
case m1440x480i60_4_3:
case m1440x480i60_16_9:
case m1440x576i50_4_3:
case m1440x576i50_16_9:
case m1920x1080i60_16_9:
interlaced = true;
default:
interlaced = false;
}
return interlaced;
}
void ExternalDisplay::setResolution(int ID)
{
int ret = 0;
ret = ioctl(mFd, FBIOGET_VSCREENINFO, &mVInfo);
if(ret < 0) {
ALOGD("In %s: FBIOGET_VSCREENINFO failed Err Str = %s", __FUNCTION__,
strerror(errno));
}
ALOGD_IF(DEBUG, "%s: GET Info<ID=%d %dx%d (%d,%d,%d),"
"(%d,%d,%d) %dMHz>", __FUNCTION__,
mVInfo.reserved[3], mVInfo.xres, mVInfo.yres,
mVInfo.right_margin, mVInfo.hsync_len, mVInfo.left_margin,
mVInfo.lower_margin, mVInfo.vsync_len, mVInfo.upper_margin,
mVInfo.pixclock/1000/1000);
//If its a new ID - update var_screeninfo
if ((isValidMode(ID)) && mCurrentMode != ID) {
const struct disp_mode_timing_type *mode =
&supported_video_mode_lut[0];
unsigned count = sizeof(supported_video_mode_lut)/sizeof
(*supported_video_mode_lut);
for (unsigned int i = 0; i < count; ++i) {
const struct disp_mode_timing_type *cur =
&supported_video_mode_lut[i];
if (cur->video_format == ID)
mode = cur;
}
mode->set_info(mVInfo);
ALOGD_IF(DEBUG, "%s: SET Info<ID=%d => Info<ID=%d %dx %d"
"(%d,%d,%d), (%d,%d,%d) %dMHz>", __FUNCTION__, ID,
mode->video_format, mVInfo.xres, mVInfo.yres,
mVInfo.right_margin, mVInfo.hsync_len, mVInfo.left_margin,
mVInfo.lower_margin, mVInfo.vsync_len, mVInfo.upper_margin,
mVInfo.pixclock/1000/1000);
#ifdef FB_METADATA_VIDEO_INFO_CODE_SUPPORT
struct msmfb_metadata metadata;
memset(&metadata, 0 , sizeof(metadata));
metadata.op = metadata_op_vic;
metadata.data.video_info_code = mode->video_format;
if (ioctl(mFd, MSMFB_METADATA_SET, &metadata) == -1) {
ALOGD("In %s: MSMFB_METADATA_SET failed Err Str = %s",
__FUNCTION__, strerror(errno));
}
#endif
mVInfo.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_ALL | FB_ACTIVATE_FORCE;
ret = ioctl(mFd, FBIOPUT_VSCREENINFO, &mVInfo);
if(ret < 0) {
ALOGD("In %s: FBIOPUT_VSCREENINFO failed Err Str = %s",
__FUNCTION__, strerror(errno));
}
mCurrentMode = ID;
}
}
void ExternalDisplay::setExternalDisplay(bool connected, int extFbNum)
{
hwc_context_t* ctx = mHwcContext;
if(ctx) {
ALOGD_IF(DEBUG, "%s: connected = %d", __FUNCTION__, connected);
// Store the external display
mConnected = connected;
mConnectedFbNum = extFbNum;
mHwcContext->dpyAttr[mExtDpyNum].connected = connected;
// Update external fb number in Overlay context
overlay::Overlay::getInstance()->setExtFbNum(extFbNum);
}
}
int ExternalDisplay::getExtFbNum(int &fbNum) {
int ret = -1;
if(mConnected) {
fbNum = mConnectedFbNum;
ret = 0;
}
return ret;
}
bool ExternalDisplay::writeHPDOption(int userOption) const
{
bool ret = true;
char sysFsHPDFilePath[255];
sprintf(sysFsHPDFilePath ,"/sys/devices/virtual/graphics/fb%d/hpd",
mHdmiFbNum);
int hdmiHPDFile = open(sysFsHPDFilePath,O_RDWR, 0);
if (hdmiHPDFile < 0) {
ALOGE("%s: state file '%s' not found : ret%d err str: %s", __FUNCTION__,
sysFsHPDFilePath, hdmiHPDFile, strerror(errno));
ret = false;
} else {
int err = -1;
ALOGD_IF(DEBUG, "%s: option = %d", __FUNCTION__, userOption);
if(userOption)
err = write(hdmiHPDFile, "1", 2);
else
err = write(hdmiHPDFile, "0" , 2);
if (err <= 0) {
ALOGE("%s: file write failed '%s'", __FUNCTION__, sysFsHPDFilePath);
ret = false;
}
close(hdmiHPDFile);
}
return ret;
}
void ExternalDisplay::setDpyWfdAttr() {
if(mHwcContext) {
mHwcContext->dpyAttr[mExtDpyNum].xres = mVInfo.xres;
mHwcContext->dpyAttr[mExtDpyNum].yres = mVInfo.yres;
mHwcContext->dpyAttr[mExtDpyNum].vsync_period =
1000000000l /60;
ALOGD_IF(DEBUG,"%s: wfd...connected..!",__FUNCTION__);
}
}
void ExternalDisplay::setDpyHdmiAttr() {
int width = 0, height = 0, fps = 0;
getAttrForMode(width, height, fps);
if(mHwcContext) {
ALOGD("ExtDisplay setting xres = %d, yres = %d", width, height);
mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].xres = width;
mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].yres = height;
mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].vsync_period =
1000000000l / fps;
}
}
void ExternalDisplay::getAttrForMode(int& width, int& height, int& fps) {
switch (mCurrentMode) {
case m640x480p60_4_3:
width = 640;
height = 480;
fps = 60;
break;
case m720x480p60_4_3:
case m720x480p60_16_9:
width = 720;
height = 480;
fps = 60;
break;
case m720x576p50_4_3:
case m720x576p50_16_9:
width = 720;
height = 576;
fps = 50;
break;
case m1280x720p50_16_9:
width = 1280;
height = 720;
fps = 50;
break;
case m1280x720p60_16_9:
width = 1280;
height = 720;
fps = 60;
break;
case m1920x1080p24_16_9:
width = 1920;
height = 1080;
fps = 24;
break;
case m1920x1080p25_16_9:
width = 1920;
height = 1080;
fps = 25;
break;
case m1920x1080p30_16_9:
width = 1920;
height = 1080;
fps = 30;
break;
case m1920x1080p50_16_9:
width = 1920;
height = 1080;
fps = 50;
break;
case m1920x1080p60_16_9:
width = 1920;
height = 1080;
fps = 60;
break;
}
}
};
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