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508 lines
18 KiB
508 lines
18 KiB
/*
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* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <cutils/log.h>
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#include <linux/msm_mdp.h>
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#include "mdp_version.h"
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#include "qd_utils.h"
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#define DEBUG 0
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ANDROID_SINGLETON_STATIC_INSTANCE(qdutils::MDPVersion);
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namespace qdutils {
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#define TOKEN_PARAMS_DELIM "="
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// chip variants have same major number and minor numbers usually vary
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// for e.g., MDSS_MDP_HW_REV_101 is 0x10010000
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// 1001 - major number
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// 0000 - minor number
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// 8x26 v1 minor number is 0000
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// v2 minor number is 0001 etc..
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#ifndef MDSS_MDP_HW_REV_100
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#define MDSS_MDP_HW_REV_100 0x10000000 //8974 v1
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#endif
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#ifndef MDSS_MDP_HW_REV_101
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#define MDSS_MDP_HW_REV_101 0x10010000 //8x26
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#endif
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#ifndef MDSS_MDP_HW_REV_102
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#define MDSS_MDP_HW_REV_102 0x10020000 //8974 v2
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#endif
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#ifndef MDSS_MDP_HW_REV_103
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#define MDSS_MDP_HW_REV_103 0x10030000 //8084
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#endif
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#ifndef MDSS_MDP_HW_REV_104
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#define MDSS_MDP_HW_REV_104 0x10040000 //Unused
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#endif
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#ifndef MDSS_MDP_HW_REV_105
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#define MDSS_MDP_HW_REV_105 0x10050000 //8994
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#endif
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#ifndef MDSS_MDP_HW_REV_106
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#define MDSS_MDP_HW_REV_106 0x10060000 //8x16
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#endif
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#ifndef MDSS_MDP_HW_REV_107
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#define MDSS_MDP_HW_REV_107 0x10070000 //Unused
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#endif
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#ifndef MDSS_MDP_HW_REV_108
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#define MDSS_MDP_HW_REV_108 0x10080000 //8x39 & 8x36
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#endif
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#ifndef MDSS_MDP_HW_REV_109
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#define MDSS_MDP_HW_REV_109 0x10090000 //8994 v2
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#endif
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#ifndef MDSS_MDP_HW_REV_110
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#define MDSS_MDP_HW_REV_110 0x100a0000 //8992
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#endif
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#ifndef MDSS_MDP_HW_REV_200
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#define MDSS_MDP_HW_REV_200 0x20000000 //8092
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#endif
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#ifndef MDSS_MDP_HW_REV_206
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#define MDSS_MDP_HW_REV_206 0x20060000 //Future
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#endif
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MDPVersion::MDPVersion()
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{
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mMDPVersion = MDSS_V5;
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mMdpRev = 0;
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mRGBPipes = 0;
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mVGPipes = 0;
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mDMAPipes = 0;
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mFeatures = 0;
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mMDPUpscale = 1;
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mMDPDownscale = 1;
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mMacroTileEnabled = false;
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mLowBw = 0;
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mHighBw = 0;
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mSourceSplit = false;
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mSourceSplitAlways = false;
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mRGBHasNoScalar = false;
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mRotDownscale = false;
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mBlendStages = 4; //min no. of stages supported by MDP.
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// this is the default limit of mixer unless driver reports it.
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// For resolutions beyond this, we use dual mixer/ping pong split.
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mMaxMixerWidth = 2048;
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// Default width of MDSS SSPP. For layer resolutions beyond this, we drive
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// using two SSPP's.
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mMaxPipeWidth = 2048;
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updatePanelInfo();
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if(!updateSysFsInfo()) {
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ALOGE("Unable to read display sysfs node");
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}
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if (mMdpRev == MDP_V3_0_4){
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mMDPVersion = MDP_V3_0_4;
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}
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else if (mMdpRev == MDP_V3_0_5){
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mMDPVersion = MDP_V3_0_5;
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}
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mHasOverlay = false;
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if((mMDPVersion >= MDP_V4_0) ||
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(mMDPVersion == MDP_V_UNKNOWN) ||
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(mMDPVersion == MDP_V3_0_4) ||
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(mMDPVersion == MDP_V3_0_5))
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mHasOverlay = true;
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if(!updateSplitInfo()) {
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ALOGE("Unable to read display split node");
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}
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}
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MDPVersion::~MDPVersion() {
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close(mFd);
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}
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int MDPVersion::tokenizeParams(char *inputParams, const char *delim,
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char* tokenStr[], int *idx) {
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char *tmp_token = NULL;
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char *temp_ptr;
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int index = 0;
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if (!inputParams) {
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return -1;
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}
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tmp_token = strtok_r(inputParams, delim, &temp_ptr);
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while (tmp_token != NULL) {
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tokenStr[index++] = tmp_token;
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tmp_token = strtok_r(NULL, " ", &temp_ptr);
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}
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*idx = index;
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return 0;
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}
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// This function reads the sysfs node to read the primary panel type
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// and updates information accordingly
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void MDPVersion::updatePanelInfo() {
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FILE *displayDeviceFP = NULL;
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FILE *panelInfoNodeFP = NULL;
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char fbType[MAX_FRAME_BUFFER_NAME_SIZE];
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const char *strCmdPanel = "mipi dsi cmd panel";
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const char *strVideoPanel = "mipi dsi video panel";
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const char *strLVDSPanel = "lvds panel";
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const char *strEDPPanel = "edp panel";
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displayDeviceFP = fopen("/sys/class/graphics/fb0/msm_fb_type", "r");
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if(displayDeviceFP){
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fread(fbType, sizeof(char), MAX_FRAME_BUFFER_NAME_SIZE,
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displayDeviceFP);
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if(strncmp(fbType, strCmdPanel, strlen(strCmdPanel)) == 0) {
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mPanelInfo.mType = MIPI_CMD_PANEL;
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}
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else if(strncmp(fbType, strVideoPanel, strlen(strVideoPanel)) == 0) {
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mPanelInfo.mType = MIPI_VIDEO_PANEL;
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}
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else if(strncmp(fbType, strLVDSPanel, strlen(strLVDSPanel)) == 0) {
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mPanelInfo.mType = LVDS_PANEL;
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}
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else if(strncmp(fbType, strEDPPanel, strlen(strEDPPanel)) == 0) {
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mPanelInfo.mType = EDP_PANEL;
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}
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fclose(displayDeviceFP);
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} else {
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ALOGE("Unable to read Primary Panel Information");
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}
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panelInfoNodeFP = fopen("/sys/class/graphics/fb0/msm_fb_panel_info", "r");
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if(panelInfoNodeFP){
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size_t len = PAGE_SIZE;
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ssize_t read;
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char *readLine = (char *) malloc (len);
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char property[PROPERTY_VALUE_MAX];
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while((read = getline((char **)&readLine, &len,
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panelInfoNodeFP)) != -1) {
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int token_ct=0;
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char *tokens[10];
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memset(tokens, 0, sizeof(tokens));
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if(!tokenizeParams(readLine, TOKEN_PARAMS_DELIM, tokens,
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&token_ct)) {
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if(!strncmp(tokens[0], "pu_en", strlen("pu_en"))) {
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mPanelInfo.mPartialUpdateEnable = atoi(tokens[1]);
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ALOGI("PartialUpdate status: %s",
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mPanelInfo.mPartialUpdateEnable? "Enabled" :
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"Disabled");
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}
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if(!strncmp(tokens[0], "xstart", strlen("xstart"))) {
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mPanelInfo.mLeftAlign = atoi(tokens[1]);
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ALOGI("Left Align: %d", mPanelInfo.mLeftAlign);
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}
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if(!strncmp(tokens[0], "walign", strlen("walign"))) {
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mPanelInfo.mWidthAlign = atoi(tokens[1]);
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ALOGI("Width Align: %d", mPanelInfo.mWidthAlign);
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}
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if(!strncmp(tokens[0], "ystart", strlen("ystart"))) {
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mPanelInfo.mTopAlign = atoi(tokens[1]);
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ALOGI("Top Align: %d", mPanelInfo.mTopAlign);
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}
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if(!strncmp(tokens[0], "halign", strlen("halign"))) {
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mPanelInfo.mHeightAlign = atoi(tokens[1]);
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ALOGI("Height Align: %d", mPanelInfo.mHeightAlign);
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}
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if(!strncmp(tokens[0], "min_w", strlen("min_w"))) {
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mPanelInfo.mMinROIWidth = atoi(tokens[1]);
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ALOGI("Min ROI Width: %d", mPanelInfo.mMinROIWidth);
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}
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if(!strncmp(tokens[0], "min_h", strlen("min_h"))) {
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mPanelInfo.mMinROIHeight = atoi(tokens[1]);
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ALOGI("Min ROI Height: %d", mPanelInfo.mMinROIHeight);
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}
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if(!strncmp(tokens[0], "roi_merge", strlen("roi_merge"))) {
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mPanelInfo.mNeedsROIMerge = atoi(tokens[1]);
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ALOGI("Needs ROI Merge: %d", mPanelInfo.mNeedsROIMerge);
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}
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if(!strncmp(tokens[0], "dyn_fps_en", strlen("dyn_fps_en"))) {
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mPanelInfo.mDynFpsSupported = atoi(tokens[1]);
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ALOGI("Dynamic Fps: %s", mPanelInfo.mDynFpsSupported ?
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"Enabled" : "Disabled");
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}
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if(!strncmp(tokens[0], "min_fps", strlen("min_fps"))) {
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mPanelInfo.mMinFps = atoi(tokens[1]);
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ALOGI("Min Panel fps: %d", mPanelInfo.mMinFps);
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}
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if(!strncmp(tokens[0], "max_fps", strlen("max_fps"))) {
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mPanelInfo.mMaxFps = atoi(tokens[1]);
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ALOGI("Max Panel fps: %d", mPanelInfo.mMaxFps);
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}
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}
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}
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if((property_get("persist.hwc.pubypass", property, 0) > 0) &&
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(!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
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(!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
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mPanelInfo.mPartialUpdateEnable = 0;
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ALOGI("PartialUpdate disabled by property");
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}
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fclose(panelInfoNodeFP);
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free(readLine);
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} else {
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ALOGE("Failed to open msm_fb_panel_info node");
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}
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}
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// This function reads the sysfs node to read MDP capabilities
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// and parses and updates information accordingly.
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bool MDPVersion::updateSysFsInfo() {
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FILE *sysfsFd;
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size_t len = PAGE_SIZE;
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ssize_t read;
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char *line = NULL;
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char sysfsPath[255];
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memset(sysfsPath, 0, sizeof(sysfsPath));
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snprintf(sysfsPath , sizeof(sysfsPath),
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"/sys/class/graphics/fb0/mdp/caps");
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char property[PROPERTY_VALUE_MAX];
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bool enableMacroTile = false;
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if((property_get("persist.hwc.macro_tile_enable", property, NULL) > 0) &&
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(!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
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(!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
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enableMacroTile = true;
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}
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sysfsFd = fopen(sysfsPath, "rb");
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if (sysfsFd == NULL) {
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ALOGE("%s: sysFsFile file '%s' not found",
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__FUNCTION__, sysfsPath);
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return false;
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} else {
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line = (char *) malloc(len);
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while((read = getline(&line, &len, sysfsFd)) != -1) {
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int index=0;
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char *tokens[10];
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memset(tokens, 0, sizeof(tokens));
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// parse the line and update information accordingly
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if(!tokenizeParams(line, TOKEN_PARAMS_DELIM, tokens, &index)) {
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if(!strncmp(tokens[0], "hw_rev", strlen("hw_rev"))) {
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mMdpRev = atoi(tokens[1]);
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}
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else if(!strncmp(tokens[0], "rgb_pipes", strlen("rgb_pipes"))) {
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mRGBPipes = (uint8_t)atoi(tokens[1]);
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}
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else if(!strncmp(tokens[0], "vig_pipes", strlen("vig_pipes"))) {
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mVGPipes = (uint8_t)atoi(tokens[1]);
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}
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else if(!strncmp(tokens[0], "dma_pipes", strlen("dma_pipes"))) {
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mDMAPipes = (uint8_t)atoi(tokens[1]);
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}
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else if(!strncmp(tokens[0], "blending_stages",
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strlen("blending_stages"))) {
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mBlendStages = (uint8_t)atoi(tokens[1]);
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}
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else if(!strncmp(tokens[0], "max_downscale_ratio",
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strlen("max_downscale_ratio"))) {
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mMDPDownscale = atoi(tokens[1]);
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}
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else if(!strncmp(tokens[0], "max_upscale_ratio",
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strlen("max_upscale_ratio"))) {
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mMDPUpscale = atoi(tokens[1]);
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} else if(!strncmp(tokens[0], "max_bandwidth_low",
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strlen("max_bandwidth_low"))) {
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mLowBw = atol(tokens[1]);
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} else if(!strncmp(tokens[0], "max_bandwidth_high",
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strlen("max_bandwidth_high"))) {
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mHighBw = atol(tokens[1]);
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} else if(!strncmp(tokens[0], "max_mixer_width",
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strlen("max_mixer_width"))) {
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mMaxMixerWidth = atoi(tokens[1]);
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} else if(!strncmp(tokens[0], "max_pipe_width",
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strlen("max_pipe_width"))) {
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mMaxPipeWidth = atoi(tokens[1]);
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} else if(!strncmp(tokens[0], "features", strlen("features"))) {
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for(int i=1; i<index;i++) {
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if(!strncmp(tokens[i], "bwc", strlen("bwc"))) {
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mFeatures |= MDP_BWC_EN;
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} else if(!strncmp(tokens[i], "decimation",
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strlen("decimation"))) {
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mFeatures |= MDP_DECIMATION_EN;
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} else if(!strncmp(tokens[i], "tile_format",
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strlen("tile_format"))) {
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if(enableMacroTile)
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mMacroTileEnabled = true;
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} else if(!strncmp(tokens[i], "src_split",
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strlen("src_split"))) {
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mSourceSplit = true;
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} else if(!strncmp(tokens[i], "non_scalar_rgb",
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strlen("non_scalar_rgb"))) {
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mRGBHasNoScalar = true;
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} else if(!strncmp(tokens[i], "rotator_downscale",
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strlen("rotator_downscale"))) {
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mRotDownscale = true;
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}
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}
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}
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}
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}
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free(line);
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fclose(sysfsFd);
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}
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if(mMDPVersion >= qdutils::MDP_V4_2 and mMDPVersion < qdutils::MDSS_V5) {
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mRotDownscale = true;
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}
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if(mSourceSplit) {
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memset(sysfsPath, 0, sizeof(sysfsPath));
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snprintf(sysfsPath , sizeof(sysfsPath),
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"/sys/class/graphics/fb0/msm_fb_src_split_info");
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sysfsFd = fopen(sysfsPath, "rb");
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if (sysfsFd == NULL) {
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ALOGE("%s: Opening file %s failed with error %s", __FUNCTION__,
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sysfsPath, strerror(errno));
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return false;
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} else {
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line = (char *) malloc(len);
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if((read = getline(&line, &len, sysfsFd)) != -1) {
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if(!strncmp(line, "src_split_always",
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strlen("src_split_always"))) {
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mSourceSplitAlways = true;
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}
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}
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free(line);
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fclose(sysfsFd);
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}
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}
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ALOGD_IF(DEBUG, "%s: mMDPVersion: %d mMdpRev: %x mRGBPipes:%d,"
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"mVGPipes:%d", __FUNCTION__, mMDPVersion, mMdpRev,
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mRGBPipes, mVGPipes);
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ALOGD_IF(DEBUG, "%s:mDMAPipes:%d \t mMDPDownscale:%d, mFeatures:%d",
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__FUNCTION__, mDMAPipes, mMDPDownscale, mFeatures);
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ALOGD_IF(DEBUG, "%s:mLowBw: %lu mHighBw: %lu", __FUNCTION__, mLowBw,
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mHighBw);
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return true;
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}
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// This function reads the sysfs node to read MDP capabilities
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// and parses and updates information accordingly.
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bool MDPVersion::updateSplitInfo() {
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if(mMDPVersion >= MDSS_V5) {
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char split[64] = {0};
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FILE* fp = fopen("/sys/class/graphics/fb0/msm_fb_split", "r");
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if(fp){
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//Format "left right" space as delimiter
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if(fread(split, sizeof(char), 64, fp)) {
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split[sizeof(split) - 1] = '\0';
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mSplit.mLeft = atoi(split);
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ALOGI_IF(mSplit.mLeft, "Left Split=%d", mSplit.mLeft);
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char *rght = strpbrk(split, " ");
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if(rght)
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mSplit.mRight = atoi(rght + 1);
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ALOGI_IF(mSplit.mRight, "Right Split=%d", mSplit.mRight);
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}
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} else {
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ALOGE("Failed to open mdss_fb_split node");
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return false;
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}
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if(fp)
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fclose(fp);
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}
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return true;
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}
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bool MDPVersion::hasMinCropWidthLimitation() const {
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return mMdpRev <= MDSS_MDP_HW_REV_102;
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}
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bool MDPVersion::supportsDecimation() {
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return mFeatures & MDP_DECIMATION_EN;
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}
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uint32_t MDPVersion::getMaxMDPDownscale() {
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return mMDPDownscale;
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}
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uint32_t MDPVersion::getMaxMDPUpscale() {
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return mMDPUpscale;
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}
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bool MDPVersion::supportsBWC() {
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// BWC - Bandwidth Compression
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return (mFeatures & MDP_BWC_EN);
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}
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bool MDPVersion::supportsMacroTile() {
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// MACRO TILE support
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return mMacroTileEnabled;
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}
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bool MDPVersion::isSrcSplit() const {
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return mSourceSplit;
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}
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|
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bool MDPVersion::isSrcSplitAlways() const {
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return mSourceSplitAlways;
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}
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|
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bool MDPVersion::isRGBScalarSupported() const {
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return (!mRGBHasNoScalar);
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}
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|
|
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bool MDPVersion::is8x26() {
|
|
return (mMdpRev >= MDSS_MDP_HW_REV_101 and
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|
mMdpRev < MDSS_MDP_HW_REV_102);
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|
}
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|
|
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bool MDPVersion::is8x74v2() {
|
|
return (mMdpRev >= MDSS_MDP_HW_REV_102 and
|
|
mMdpRev < MDSS_MDP_HW_REV_103);
|
|
}
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|
|
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bool MDPVersion::is8084() {
|
|
return (mMdpRev >= MDSS_MDP_HW_REV_103 and
|
|
mMdpRev < MDSS_MDP_HW_REV_104);
|
|
}
|
|
|
|
bool MDPVersion::is8092() {
|
|
return (mMdpRev >= MDSS_MDP_HW_REV_200 and
|
|
mMdpRev < MDSS_MDP_HW_REV_206);
|
|
}
|
|
|
|
bool MDPVersion::is8994() {
|
|
return ((mMdpRev >= MDSS_MDP_HW_REV_105 and
|
|
mMdpRev < MDSS_MDP_HW_REV_106) or
|
|
(mMdpRev >= MDSS_MDP_HW_REV_109 and
|
|
mMdpRev < MDSS_MDP_HW_REV_110));
|
|
}
|
|
|
|
bool MDPVersion::is8x16() {
|
|
return (mMdpRev >= MDSS_MDP_HW_REV_106 and
|
|
mMdpRev < MDSS_MDP_HW_REV_107);
|
|
}
|
|
|
|
bool MDPVersion::is8x39() {
|
|
return (mMdpRev >= MDSS_MDP_HW_REV_108 and
|
|
mMdpRev < MDSS_MDP_HW_REV_109);
|
|
}
|
|
|
|
|
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}; //namespace qdutils
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