disp: msm: dsi: consolidate DSI HW register macros

Cleanup DSI HW register access layer to minimize the number of macros that
access readl/writel functions.

Change-Id: Id78025b3837f9126f64681b4c1c1e13aec762081
Signed-off-by: Michael Ru <mru@codeaurora.org>

msm/dsi/dsi_phy_hw.h

@@ -7,6 +7,7 @@
 #define _DSI_PHY_HW_H_
 
 #include "dsi_defs.h"
+#include "dsi_hw.h"
 
 #define DSI_MAX_SETTINGS 8
 #define DSI_PHY_TIMING_V3_SIZE 12
@@ -21,6 +22,10 @@
 #define DSI_PHY_WARN(p, fmt, ...)	DRM_WARN("[msm-dsi-warn]: DSI_%d: " fmt,\
 		p ? p->index : -1, ##__VA_ARGS__)
 
+#define DSI_MISC_R32(dsi_phy_hw, off) DSI_GEN_R32((dsi_phy_hw)->phy_clamp_base, off)
+#define DSI_MISC_W32(dsi_phy_hw, off, val) \
+	DSI_GEN_W32_DEBUG((dsi_phy_hw)->phy_clamp_base, (dsi_phy_hw)->index, off, val)
+
 /**
  * enum dsi_phy_version - DSI PHY version enumeration
  * @DSI_PHY_VERSION_UNKNOWN:    Unknown version.