display: Add QC Display utils
* Rename qcomui directory to qdutils
* Avoid inclusion of qcom_ui header
* Add class to get MDP version
* Add namespace for qdutils to prevent collison
Change-Id: I9a3f440e6b0fea1cfcc478ddca90af5df3bbb897
diff --git a/libqdutils/mdp_version.cpp b/libqdutils/mdp_version.cpp
new file mode 100644
index 0000000..25f1142
--- /dev/null
+++ b/libqdutils/mdp_version.cpp
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2012, Code Aurora Forum. All rights reserved.
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of Code Aurora Forum, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cutils/log.h>
+#include <fcntl.h>
+#include <linux/fb.h>
+#include "mdp_version.h"
+
+ANDROID_SINGLETON_STATIC_INSTANCE(qdutils::MDPVersion);
+namespace qdutils {
+
+static int getMDPVersionFromFB()
+{
+ int fb_fd = open("/dev/graphics/fb0", O_RDWR);
+ int mdp_version = MDP_V_UNKNOWN;
+ struct fb_fix_screeninfo fb_finfo;
+ if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &fb_finfo) < 0) {
+ ALOGE("FBIOGET_FSCREENINFO failed");
+ mdp_version = MDP_V_UNKNOWN;
+ } else {
+ if(!strncmp(fb_finfo.id, "msmfb", 5)) {
+ char str_ver[4] = { 0 };
+ memcpy(str_ver, &fb_finfo.id[5], 3);
+ str_ver[3] = '\0';
+ mdp_version = atoi(str_ver);
+
+ //Normalize MDP version to ease comparison.
+ //This is needed only because
+ //MDP 3.0.3 reports value as 303 which
+ //is more than all the others
+ if (mdp_version < 100)
+ mdp_version *= 10;
+
+ } else if (!strncmp(fb_finfo.id, "mdssfb", 6)) {
+ mdp_version = MDSS_V5;
+ } else {
+ mdp_version = MDP_V_UNKNOWN;
+ }
+ }
+ close(fb_fd);
+ return mdp_version;
+}
+
+MDPVersion::MDPVersion()
+{
+ mMDPVersion = getMDPVersionFromFB();
+ if((mMDPVersion >= MDP_V4_0) || (mMDPVersion == MDP_V_UNKNOWN))
+ mHasOverlay = true;
+ else
+ mHasOverlay = false;
+}
+}; //namespace qdutils
+