msm:mdss: Add gamma correction LUT feature for DSPP

Add gamma correction LUT feature for DSPP and define flags to
differentiate between gamma correction on layer mixer and DSPP.

Change-Id: I626324587bd9c7c00e3e053d101959e54b218eac
Signed-off-by: Ping Li <quicpingli@codeaurora.org>
diff --git a/include/linux/msm_mdp.h b/include/linux/msm_mdp.h
index fdb8fb6..56eda83 100644
--- a/include/linux/msm_mdp.h
+++ b/include/linux/msm_mdp.h
@@ -286,6 +286,18 @@
 #define MDP_PP_IGC_FLAG_ROM0	0x10
 #define MDP_PP_IGC_FLAG_ROM1	0x20
 
+#define MDSS_PP_DSPP_CFG	0x0000
+#define MDSS_PP_SSPP_CFG	0x4000
+#define MDSS_PP_LM_CFG	0x8000
+#define MDSS_PP_WB_CFG	0xC000
+
+#define MDSS_PP_LOCATION_MASK	0xC000
+#define MDSS_PP_LOGICAL_MASK	0x3FFF
+
+#define PP_LOCAT(var) ((var) & MDSS_PP_LOCATION_MASK)
+#define PP_BLOCK(var) ((var) & MDSS_PP_LOGICAL_MASK)
+
+
 struct mdp_qseed_cfg {
 	uint32_t table_num;
 	uint32_t ops;