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Diffstat (limited to 'msm8909/libhdmi/hdmi.cpp')
| -rw-r--r-- | msm8909/libhdmi/hdmi.cpp | 699 |
1 files changed, 0 insertions, 699 deletions
diff --git a/msm8909/libhdmi/hdmi.cpp b/msm8909/libhdmi/hdmi.cpp deleted file mode 100644 index c20efbff..00000000 --- a/msm8909/libhdmi/hdmi.cpp +++ /dev/null @@ -1,699 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * Copyright (C) 2012-2014, 2016, 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 <fcntl.h> -#include <linux/msm_mdp.h> -#include <video/msm_hdmi_modes.h> -#include <linux/fb.h> -#include <sys/ioctl.h> -#include <cutils/properties.h> -#include "hwc_utils.h" -#include "hdmi.h" -#include "overlayUtils.h" -#include "overlay.h" -#include "qd_utils.h" - -using namespace android; -using namespace qdutils; - -namespace qhwc { -#define UNKNOWN_STRING "unknown" -#define SPD_NAME_LENGTH 16 - -/* The array gEDIDData contains a list of modes currently - * supported by HDMI and display, and modes that are not - * supported i.e. interlaced modes. - - * In order to add support for a new mode, the mode must be - * appended to the end of the array. - * - * Each new entry must contain the following: - * -Mode: a video format defined in msm_hdmi_modes.h - * -Width: x resolution for the mode - * -Height: y resolution for the mode - * -FPS: the frame rate for the mode - * -Mode Order: the priority for the new mode that is used when determining - * the best mode when the HDMI display is connected. - */ -EDIDData gEDIDData [] = { - EDIDData(HDMI_VFRMT_1440x480i60_4_3, 1440, 480, 60, 1), - EDIDData(HDMI_VFRMT_1440x480i60_16_9, 1440, 480, 60, 2), - EDIDData(HDMI_VFRMT_1440x576i50_4_3, 1440, 576, 50, 3), - EDIDData(HDMI_VFRMT_1440x576i50_16_9, 1440, 576, 50, 4), - EDIDData(HDMI_VFRMT_1920x1080i60_16_9, 1920, 1080, 60, 5), - EDIDData(HDMI_VFRMT_640x480p60_4_3, 640, 480, 60, 6), - EDIDData(HDMI_VFRMT_720x480p60_4_3, 720, 480, 60, 7), - EDIDData(HDMI_VFRMT_720x480p60_16_9, 720, 480, 60, 8), - EDIDData(HDMI_VFRMT_720x576p50_4_3, 720, 576, 50, 9), - EDIDData(HDMI_VFRMT_720x576p50_16_9, 720, 576, 50, 10), - EDIDData(HDMI_VFRMT_800x600p60_4_3, 800, 600, 60, 11), - EDIDData(HDMI_VFRMT_848x480p60_16_9, 848, 480, 60, 12), - EDIDData(HDMI_VFRMT_1024x768p60_4_3, 1024, 768, 60, 13), - EDIDData(HDMI_VFRMT_1280x1024p60_5_4, 1280, 1024, 60, 14), - EDIDData(HDMI_VFRMT_1280x720p50_16_9, 1280, 720, 50, 15), - EDIDData(HDMI_VFRMT_1280x720p60_16_9, 1280, 720, 60, 16), - EDIDData(HDMI_VFRMT_1280x800p60_16_10, 1280, 800, 60, 17), - EDIDData(HDMI_VFRMT_1280x960p60_4_3, 1280, 960, 60, 18), - EDIDData(HDMI_VFRMT_1360x768p60_16_9, 1360, 768, 60, 19), - EDIDData(HDMI_VFRMT_1366x768p60_16_10, 1366, 768, 60, 20), - EDIDData(HDMI_VFRMT_1440x900p60_16_10, 1440, 900, 60, 21), - EDIDData(HDMI_VFRMT_1400x1050p60_4_3, 1400, 1050, 60, 22), - EDIDData(HDMI_VFRMT_1680x1050p60_16_10, 1680, 1050, 60, 23), - EDIDData(HDMI_VFRMT_1600x1200p60_4_3, 1600, 1200, 60, 24), - EDIDData(HDMI_VFRMT_1920x1080p24_16_9, 1920, 1080, 24, 25), - EDIDData(HDMI_VFRMT_1920x1080p25_16_9, 1920, 1080, 25, 26), - EDIDData(HDMI_VFRMT_1920x1080p30_16_9, 1920, 1080, 30, 27), - EDIDData(HDMI_VFRMT_1920x1080p50_16_9, 1920, 1080, 50, 28), - EDIDData(HDMI_VFRMT_1920x1080p60_16_9, 1920, 1080, 60, 29), - EDIDData(HDMI_VFRMT_1920x1200p60_16_10, 1920, 1200, 60, 30), - EDIDData(HDMI_VFRMT_2560x1600p60_16_9, 2560, 1600, 60, 31), - EDIDData(HDMI_VFRMT_3840x2160p24_16_9, 3840, 2160, 24, 32), - EDIDData(HDMI_VFRMT_3840x2160p25_16_9, 3840, 2160, 25, 33), - EDIDData(HDMI_VFRMT_3840x2160p30_16_9, 3840, 2160, 30, 34), - EDIDData(HDMI_EVFRMT_4096x2160p24_16_9, 4096, 2160, 24, 35), -}; - -// Number of modes in gEDIDData -const int gEDIDCount = (sizeof(gEDIDData)/sizeof(gEDIDData)[0]); - -int HDMIDisplay::configure() { - if(!openFrameBuffer()) { - ALOGE("%s: Failed to open FB: %d", __FUNCTION__, mFbNum); - return -1; - } - readCEUnderscanInfo(); - readResolution(); - // TODO: Move this to activate - /* Used for changing the resolution - * getUserMode will get the preferred - * mode set thru adb shell */ - mCurrentMode = getUserMode(); - if (mCurrentMode == -1) { - //Get the best mode and set - mCurrentMode = getBestMode(); - } - setAttributes(); - // set system property - property_set("hw.hdmiON", "1"); - - // Read the system property to determine if downscale feature is enabled. - char value[PROPERTY_VALUE_MAX]; - mMDPDownscaleEnabled = false; - if(property_get("sys.hwc.mdp_downscale_enabled", value, "false") - && !strcmp(value, "true")) { - mMDPDownscaleEnabled = true; - } - return 0; -} - -void HDMIDisplay::getAttributes(uint32_t& width, uint32_t& height) { - uint32_t fps = 0; - getAttrForMode(width, height, fps); -} - -int HDMIDisplay::teardown() { - closeFrameBuffer(); - resetInfo(); - // unset system property - property_set("hw.hdmiON", "0"); - return 0; -} - -HDMIDisplay::HDMIDisplay():mFd(-1), - mCurrentMode(-1), mModeCount(0), mPrimaryWidth(0), mPrimaryHeight(0), - mUnderscanSupported(false) -{ - memset(&mVInfo, 0, sizeof(mVInfo)); - - mDisplayId = HWC_DISPLAY_EXTERNAL; - // Update the display if HDMI is connected as primary - if (isHDMIPrimaryDisplay()) { - mDisplayId = HWC_DISPLAY_PRIMARY; - } - - mFbNum = overlay::Overlay::getInstance()->getFbForDpy(mDisplayId); - // 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); - - // for HDMI - retreive all the modes supported by the driver - if(mFbNum != -1) { - supported_video_mode_lut = - new msm_hdmi_mode_timing_info[HDMI_VFRMT_MAX]; - // Populate the mode table for supported modes - MSM_HDMI_MODES_INIT_TIMINGS(supported_video_mode_lut); - MSM_HDMI_MODES_SET_SUPP_TIMINGS(supported_video_mode_lut, - MSM_HDMI_MODES_ALL); - // Update the Source Product Information - // Vendor Name - setSPDInfo("vendor_name", "ro.product.manufacturer"); - // Product Description - setSPDInfo("product_description", "ro.product.name"); - } - - ALOGD_IF(DEBUG, "%s mDisplayId(%d) mFbNum(%d)", - __FUNCTION__, mDisplayId, mFbNum); -} -/* gets the product manufacturer and product name and writes it - * to the sysfs node, so that the driver can get that information - * Used to show QCOM 8974 instead of Input 1 for example - */ -void HDMIDisplay::setSPDInfo(const char* node, const char* property) { - char info[PROPERTY_VALUE_MAX]; - ssize_t err = -1; - int spdFile = openDeviceNode(node, O_RDWR); - if (spdFile >= 0) { - memset(info, 0, sizeof(info)); - property_get(property, info, UNKNOWN_STRING); - ALOGD_IF(DEBUG, "In %s: %s = %s", - __FUNCTION__, property, info); - if (strncmp(info, UNKNOWN_STRING, SPD_NAME_LENGTH)) { - err = write(spdFile, info, strlen(info)); - if (err <= 0) { - ALOGE("%s: file write failed for '%s'" - "err no = %d", __FUNCTION__, node, errno); - } - } else { - ALOGD_IF(DEBUG, "%s: property_get failed for SPD %s", - __FUNCTION__, node); - } - close(spdFile); - } -} - -void HDMIDisplay::setHPD(uint32_t value) { - ALOGD_IF(DEBUG,"HPD enabled=%d", value); - writeHPDOption(value); -} - -void HDMIDisplay::setActionSafeDimension(int w, int h) { - ALOGD_IF(DEBUG,"ActionSafe w=%d h=%d", w, h); - char actionsafeWidth[PROPERTY_VALUE_MAX]; - char actionsafeHeight[PROPERTY_VALUE_MAX]; - snprintf(actionsafeWidth, sizeof(actionsafeWidth), "%d", w); - property_set("persist.sys.actionsafe.width", actionsafeWidth); - snprintf(actionsafeHeight, sizeof(actionsafeHeight), "%d", h); - property_set("persist.sys.actionsafe.height", actionsafeHeight); -} - -int HDMIDisplay::getModeCount() const { - ALOGD_IF(DEBUG,"HPD mModeCount=%d", mModeCount); - return mModeCount; -} - -void HDMIDisplay::readCEUnderscanInfo() -{ - int hdmiScanInfoFile = -1; - ssize_t len = -1; - char scanInfo[17]; - char *ce_info_str = NULL; - char *save_ptr; - const char token[] = ", \n"; - int ce_info = -1; - - memset(scanInfo, 0, sizeof(scanInfo)); - hdmiScanInfoFile = openDeviceNode("scan_info", O_RDONLY); - if (hdmiScanInfoFile < 0) { - return; - } else { - len = read(hdmiScanInfoFile, scanInfo, sizeof(scanInfo)-1); - ALOGD("%s: Scan Info string: %s length = %zu", - __FUNCTION__, scanInfo, len); - if (len <= 0) { - close(hdmiScanInfoFile); - ALOGE("%s: Scan Info file empty", __FUNCTION__); - 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_r(scanInfo, token, &save_ptr); - if (ce_info_str) { - /* IT */ - ce_info_str = strtok_r(NULL, token, &save_ptr); - if (ce_info_str) { - /* CE */ - ce_info_str = strtok_r(NULL, token, &save_ptr); - if (ce_info_str) - ce_info = atoi(ce_info_str); - } - } - - if (ce_info_str) { - // ce_info contains the underscan information - if (ce_info == HDMI_SCAN_ALWAYS_UNDERSCANED || - ce_info == HDMI_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; -} - -HDMIDisplay::~HDMIDisplay() -{ - delete [] supported_video_mode_lut; - closeFrameBuffer(); -} - -/* - * sets the fb_var_screeninfo from the hdmi_mode_timing_info - */ -void setDisplayTiming(struct fb_var_screeninfo &info, - const msm_hdmi_mode_timing_info* mode) -{ - 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) | - (mode->video_format << 16); -#endif - info.xoffset = 0; - info.yoffset = 0; - info.xres = mode->active_h; - info.yres = mode->active_v; - - info.pixclock = (mode->pixel_freq)*1000; - info.vmode = mode->interlaced ? - FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED; - - info.right_margin = mode->front_porch_h; - info.hsync_len = mode->pulse_width_h; - info.left_margin = mode->back_porch_h; - info.lower_margin = mode->front_porch_v; - info.vsync_len = mode->pulse_width_v; - info.upper_margin = mode->back_porch_v; -} - -int HDMIDisplay::parseResolution(char* edidStr) -{ - 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) { - mEDIDModes[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, mEDIDModes[i]); - return count; -} - -bool HDMIDisplay::readResolution() -{ - ssize_t len = -1; - char edidStr[128] = {'\0'}; - - int hdmiEDIDFile = openDeviceNode("edid_modes", O_RDONLY); - if (hdmiEDIDFile < 0) { - return false; - } else { - len = read(hdmiEDIDFile, edidStr, sizeof(edidStr)-1); - ALOGD_IF(DEBUG, "%s: EDID string: %s length = %zu", - __FUNCTION__, edidStr, len); - if (len <= 0) { - ALOGE("%s: edid_modes file empty", __FUNCTION__); - edidStr[0] = '\0'; - } - else { - while (len > 1 && isspace(edidStr[len-1])) { - --len; - } - edidStr[len] = '\0'; - } - close(hdmiEDIDFile); - } - if(len > 0) { - // Get EDID modes from the EDID strings - mModeCount = parseResolution(edidStr); - ALOGD_IF(DEBUG, "%s: mModeCount = %d", __FUNCTION__, - mModeCount); - } - - return (len > 0); -} - -bool HDMIDisplay::openFrameBuffer() -{ - if (mFd == -1) { - char strDevPath[MAX_SYSFS_FILE_PATH]; - snprintf(strDevPath, MAX_SYSFS_FILE_PATH, "/dev/graphics/fb%d", mFbNum); - mFd = open(strDevPath, O_RDWR); - if (mFd < 0) - ALOGE("%s: %s is not available", __FUNCTION__, strDevPath); - } - return (mFd > 0); -} - -bool HDMIDisplay::closeFrameBuffer() -{ - int ret = 0; - if(mFd >= 0) { - ret = close(mFd); - mFd = -1; - } - return (ret == 0); -} - -// clears the vinfo, edid, best modes -void HDMIDisplay::resetInfo() -{ - memset(&mVInfo, 0, sizeof(mVInfo)); - memset(mEDIDModes, 0, sizeof(mEDIDModes)); - mModeCount = 0; - mCurrentMode = -1; - mUnderscanSupported = false; - mXres = 0; - mYres = 0; - mVsyncPeriod = 0; - mMDPScalingMode = false; - // Reset the underscan supported system property - const char* prop = "0"; - property_set("hw.underscan_supported", prop); -} - -int HDMIDisplay::getModeOrder(int mode) -{ - for (int dataIndex = 0; dataIndex < gEDIDCount; dataIndex++) { - if (gEDIDData[dataIndex].mMode == mode) { - return gEDIDData[dataIndex].mModeOrder; - } - } - ALOGE("%s Mode not found: %d", __FUNCTION__, mode); - return -1; -} - -/// Returns the user mode set(if any) using adb shell -int HDMIDisplay::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 HDMIDisplay::getBestMode() { - int bestOrder = 0; - int bestMode = HDMI_VFRMT_640x480p60_4_3; - // 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 HDMIDisplay::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 HDMIDisplay::isInterlacedMode(int ID) { - bool interlaced = false; - switch(ID) { - case HDMI_VFRMT_1440x480i60_4_3: - case HDMI_VFRMT_1440x480i60_16_9: - case HDMI_VFRMT_1440x576i50_4_3: - case HDMI_VFRMT_1440x576i50_16_9: - case HDMI_VFRMT_1920x1080i60_16_9: - interlaced = true; - break; - default: - interlaced = false; - break; - } - return interlaced; -} - -// Does a put_vscreen info on the HDMI interface which will update -// the configuration (resolution, timing info) to match mCurrentMode -void HDMIDisplay::activateDisplay() -{ - 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); - - const struct msm_hdmi_mode_timing_info *mode = - &supported_video_mode_lut[0]; - for (unsigned int i = 0; i < HDMI_VFRMT_MAX; ++i) { - const struct msm_hdmi_mode_timing_info *cur = - &supported_video_mode_lut[i]; - if (cur->video_format == (uint32_t)mCurrentMode) { - mode = cur; - break; - } - } - setDisplayTiming(mVInfo, mode); - ALOGD_IF(DEBUG, "%s: SET Info<ID=%d => Info<ID=%d %dx %d" - "(%d,%d,%d), (%d,%d,%d) %dMHz>", __FUNCTION__, mCurrentMode, - 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)); - } -} - -bool HDMIDisplay::writeHPDOption(int userOption) const -{ - bool ret = true; - if(mFbNum != -1) { - int hdmiHPDFile = openDeviceNode("hpd", O_RDWR); - if (hdmiHPDFile >= 0) { - ssize_t 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 'hpd'", __FUNCTION__); - ret = false; - } - close(hdmiHPDFile); - } - } - return ret; -} - - -void HDMIDisplay::setAttributes() { - uint32_t fps = 0; - // Always set dpyAttr res to mVInfo res - getAttrForMode(mXres, mYres, fps); - mMDPScalingMode = false; - - if(overlay::Overlay::getInstance()->isUIScalingOnExternalSupported() - && mMDPDownscaleEnabled) { - // if primary resolution is more than the hdmi resolution - // configure dpy attr to primary resolution and set MDP - // scaling mode - // Restrict this upto 1080p resolution max, if target does not - // support source split feature. - uint32_t primaryArea = mPrimaryWidth * mPrimaryHeight; - if(((primaryArea) > (mXres * mYres)) && - (((primaryArea) <= SUPPORTED_DOWNSCALE_AREA) || - qdutils::MDPVersion::getInstance().isSrcSplit())) { - // tmpW and tmpH will hold the primary dimensions before we - // update the aspect ratio if necessary. - int tmpW = mPrimaryWidth; - int tmpH = mPrimaryHeight; - // HDMI is always in landscape, so always assign the higher - // dimension to hdmi's xres - if(mPrimaryHeight > mPrimaryWidth) { - tmpW = mPrimaryHeight; - tmpH = mPrimaryWidth; - } - // The aspect ratios of the external and primary displays - // can be different. As a result, directly assigning primary - // resolution could lead to an incorrect final image. - // We get around this by calculating a new resolution by - // keeping aspect ratio intact. - hwc_rect r = {0, 0, 0, 0}; - qdutils::getAspectRatioPosition(tmpW, tmpH, mXres, mYres, r); - uint32_t newExtW = r.right - r.left; - uint32_t newExtH = r.bottom - r.top; - uint32_t alignedExtW; - uint32_t alignedExtH; - // On 8994 and below targets MDP supports only 4X downscaling, - // Restricting selected external resolution to be exactly 4X - // greater resolution than actual external resolution - uint32_t maxMDPDownScale = - qdutils::MDPVersion::getInstance().getMaxMDPDownscale(); - if((mXres * mYres * maxMDPDownScale) < (newExtW * newExtH)) { - float upScaleFactor = (float)maxMDPDownScale / 2.0f; - newExtW = (int)((float)mXres * upScaleFactor); - newExtH = (int)((float)mYres * upScaleFactor); - } - // Align it down so that the new aligned resolution does not - // exceed the maxMDPDownscale factor - alignedExtW = overlay::utils::aligndown(newExtW, 4); - alignedExtH = overlay::utils::aligndown(newExtH, 4); - mXres = alignedExtW; - mYres = alignedExtH; - // Set External Display MDP Downscale mode indicator - mMDPScalingMode = true; - } - } - ALOGD_IF(DEBUG_MDPDOWNSCALE, "Selected external resolution [%d X %d] " - "maxMDPDownScale %d mMDPScalingMode %d srcSplitEnabled %d " - "MDPDownscale feature %d", - mXres, mYres, - qdutils::MDPVersion::getInstance().getMaxMDPDownscale(), - mMDPScalingMode, qdutils::MDPVersion::getInstance().isSrcSplit(), - mMDPDownscaleEnabled); - mVsyncPeriod = (int) 1000000000l / fps; - ALOGD_IF(DEBUG, "%s xres=%d, yres=%d", __FUNCTION__, mXres, mYres); -} - -void HDMIDisplay::getAttrForMode(uint32_t& width, uint32_t& height, - uint32_t& fps) { - for (int dataIndex = 0; dataIndex < gEDIDCount; dataIndex++) { - if (gEDIDData[dataIndex].mMode == mCurrentMode) { - width = gEDIDData[dataIndex].mWidth; - height = gEDIDData[dataIndex].mHeight; - fps = gEDIDData[dataIndex].mFps; - return; - } - } - ALOGE("%s Unable to get attributes for %d", __FUNCTION__, mCurrentMode); -} - -/* returns the fd related to the node specified*/ -int HDMIDisplay::openDeviceNode(const char* node, int fileMode) const { - char sysFsFilePath[MAX_SYSFS_FILE_PATH]; - memset(sysFsFilePath, 0, sizeof(sysFsFilePath)); - snprintf(sysFsFilePath , sizeof(sysFsFilePath), - "/sys/devices/virtual/graphics/fb%d/%s", - mFbNum, node); - - int fd = open(sysFsFilePath, fileMode, 0); - - if (fd < 0) { - ALOGE("%s: file '%s' not found : ret = %d err str: %s", - __FUNCTION__, sysFsFilePath, fd, strerror(errno)); - } - return fd; -} - -bool HDMIDisplay::isHDMIPrimaryDisplay() { - int hdmiNode = qdutils::getHDMINode(); - return (hdmiNode == HWC_DISPLAY_PRIMARY); -} - -int HDMIDisplay::getConnectedState() { - int ret = -1; - int mFbNum = qdutils::getHDMINode(); - int connectedNode = openDeviceNode("connected", O_RDONLY); - if(connectedNode >= 0) { - char opStr[4]; - ssize_t bytesRead = read(connectedNode, opStr, sizeof(opStr) - 1); - if(bytesRead > 0) { - opStr[bytesRead] = '\0'; - ret = atoi(opStr); - ALOGD_IF(DEBUG, "%s: Read %d from connected", __FUNCTION__, ret); - } else if(bytesRead == 0) { - ALOGE("%s: HDMI connected node empty", __FUNCTION__); - } else { - ALOGE("%s: Read from HDMI connected node failed with error %s", - __FUNCTION__, strerror(errno)); - } - close(connectedNode); - } else { - ALOGD("%s: /sys/class/graphics/fb%d/connected could not be opened : %s", - __FUNCTION__, mFbNum, strerror(errno)); - } - return ret; -} - -void HDMIDisplay::setPrimaryAttributes(uint32_t primaryWidth, - uint32_t primaryHeight) { - mPrimaryHeight = primaryHeight; - mPrimaryWidth = primaryWidth; -} - -}; |