gcdb: display: Update gcdb for auto PLL calculation

Calculate div1, div3, vco clock, bit clock, pixel clock
for given panel resolution, frame rate and lane config.

Change-Id: Ie96c231f33844743ee2a5d9ef7f15fde9d22067d
diff --git a/dev/gcdb/display/gcdb_autopll.h b/dev/gcdb/display/gcdb_autopll.h
new file mode 100755
index 0000000..259abd6
--- /dev/null
+++ b/dev/gcdb/display/gcdb_autopll.h
@@ -0,0 +1,56 @@
+/* Copyright (c) 2013, The Linux Foundation. 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 The Linux Foundation 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE 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.
+ */
+
+#ifndef _GCDB_AUTOPLL_H_
+#define _GCDB_AUTOPLL_H_
+
+/*---------------------------------------------------------------------------*/
+/* HEADER files                                                              */
+/*---------------------------------------------------------------------------*/
+#include <debug.h>
+
+#define VCO_MIN_CLOCK 350000000
+#define VCO_MAX_CLOCK 750000000
+
+#define HALFBIT_CLOCK1 175000000 /* VCO min clock div by 2 */
+#define HALFBIT_CLOCK2 88000000  /* VCO min clock div by 4 */
+#define HALFBIT_CLOCK3 44000000  /* VCO min clock div by 8 */
+#define HALFBIT_CLOCK4 40000000  /* VCO min clock div by 9 */
+
+#define BITS_24 24
+#define BITS_18 18
+#define BITS_16 16
+
+/*---------------------------------------------------------------------------*/
+/* Structure definition                                                      */
+/*---------------------------------------------------------------------------*/
+
+uint32_t calculate_clock_config(struct msm_panel_info *pinfo);
+
+#endif /*_GCDB_AUTOPLL_H_ */