sdm: Remove unused libraries, files and functions

1. Remove unused libraries libhdmi, liboverlay and libhwcomposer.
2. Remove unused functions and files from libqdutils.
2. Add querySDEInfo() function in qdutisl to query SDE capability.

Change-Id: Ibea2dd2d22fecb420079e3b7cbbcc57d10f75d49

libqdutils/qd_utils.cpp

@@ -28,10 +28,75 @@
  */
 
 #include "qd_utils.h"
-#define QD_UTILS_DEBUG 0
 
 namespace qdutils {
 
+int parseLine(char *input, char *tokens[], const uint32_t maxToken, uint32_t *count) {
+    char *tmpToken = NULL;
+    char *tmpPtr;
+    uint32_t index = 0;
+    const char *delim = ", =\n";
+    if (!input) {
+      return -1;
+    }
+    tmpToken = strtok_r(input, delim, &tmpPtr);
+    while (tmpToken && index < maxToken) {
+      tokens[index++] = tmpToken;
+      tmpToken = strtok_r(NULL, delim, &tmpPtr);
+    }
+    *count = index;
+
+    return 0;
+}
+
+int querySDEInfo(HWQueryType type, int *value) {
+    FILE *fileptr = NULL;
+    const char *featureName;
+    char stringBuffer[MAX_STRING_LENGTH];
+    uint32_t tokenCount = 0;
+    const uint32_t maxCount = 10;
+    char *tokens[maxCount] = { NULL };
+
+    switch(type) {
+    case HAS_MACRO_TILE:
+        featureName = "tile_format";
+        break;
+
+    default:
+        ALOGE("Invalid query type %d", type);
+        return -EINVAL;
+    }
+
+    fileptr = fopen("/sys/devices/virtual/graphics/fb0/mdp/caps", "rb");
+    if (!fileptr) {
+        ALOGE("File '%s' not found", stringBuffer);
+        return -EINVAL;
+    }
+
+    size_t len = MAX_STRING_LENGTH;
+    ssize_t read;
+    char *line = stringBuffer;
+    while ((read = getline(&line, &len, fileptr)) != -1) {
+        // parse the line and update information accordingly
+        if (parseLine(line, tokens, maxCount, &tokenCount)) {
+            continue;
+        }
+
+        if (strncmp(tokens[0], "features", strlen("features"))) {
+            continue;
+        }
+
+        for (uint32_t i = 0; i < tokenCount; i++) {
+            if (!strncmp(tokens[i], featureName, strlen(featureName))) {
+              *value = 1;
+            }
+        }
+    }
+    fclose(fileptr);
+
+    return 0;
+}
+
 int getHDMINode(void)
 {
     FILE *displayDeviceFP = NULL;
@@ -80,7 +145,7 @@ int getEdidRawData(char *buffer)
     snprintf(msmFbTypePath, sizeof(msmFbTypePath),
                  "/sys/class/graphics/fb%d/edid_raw_data", node_id);
 
-   edidFile = open(msmFbTypePath, O_RDONLY, 0);
+    edidFile = open(msmFbTypePath, O_RDONLY, 0);
 
     if (edidFile < 0) {
         ALOGE("%s no edid raw data found", __func__);
@@ -92,32 +157,4 @@ int getEdidRawData(char *buffer)
     return size;
 }
 
-/* Calculates the aspect ratio for based on src & dest */
-void getAspectRatioPosition(int destWidth, int destHeight, int srcWidth,
-                                int srcHeight, hwc_rect_t& rect) {
-   int x =0, y =0;
-
-   if (srcWidth * destHeight > destWidth * srcHeight) {
-        srcHeight = destWidth * srcHeight / srcWidth;
-        srcWidth = destWidth;
-    } else if (srcWidth * destHeight < destWidth * srcHeight) {
-        srcWidth = destHeight * srcWidth / srcHeight;
-        srcHeight = destHeight;
-    } else {
-        srcWidth = destWidth;
-        srcHeight = destHeight;
-    }
-    if (srcWidth > destWidth) srcWidth = destWidth;
-    if (srcHeight > destHeight) srcHeight = destHeight;
-    x = (destWidth - srcWidth) / 2;
-    y = (destHeight - srcHeight) / 2;
-    ALOGD_IF(QD_UTILS_DEBUG, "%s: AS Position: x = %d, y = %d w = %d h = %d",
-             __FUNCTION__, x, y, srcWidth , srcHeight);
-    // Convert it back to hwc_rect_t
-    rect.left = x;
-    rect.top = y;
-    rect.right = srcWidth + rect.left;
-    rect.bottom = srcHeight + rect.top;
-}
-
 }; //namespace qdutils