Display drivers kernel project initial snapshot

This change brings msm display driver including sde,
dp, dsi, rotator, dsi pll and dp pll from base 4.19 kernel
project. It is first source code snapshot from base kernel project.

Change-Id: Iec864c064ce5ea04e170f24414c728684002f284
Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>

msm/dsi/dsi_hw.h

@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DSI_HW_H_
+#define _DSI_HW_H_
+#include <linux/io.h>
+
+#define DSI_R32(dsi_hw, off) readl_relaxed((dsi_hw)->base + (off))
+#define DSI_W32(dsi_hw, off, val) \
+	do {\
+		pr_debug("[DSI_%d][%s] - [0x%08x]\n", \
+			(dsi_hw)->index, #off, (uint32_t)(val)); \
+		writel_relaxed((val), (dsi_hw)->base + (off)); \
+	} while (0)
+
+#define DSI_MMSS_MISC_R32(dsi_hw, off) \
+	readl_relaxed((dsi_hw)->mmss_misc_base + (off))
+#define DSI_MMSS_MISC_W32(dsi_hw, off, val) \
+	do {\
+		pr_debug("[DSI_%d][%s] - [0x%08x]\n", \
+			(dsi_hw)->index, #off, val); \
+		writel_relaxed((val), (dsi_hw)->mmss_misc_base + (off)); \
+	} while (0)
+
+#define DSI_MISC_R32(dsi_hw, off) \
+	readl_relaxed((dsi_hw)->phy_clamp_base + (off))
+#define DSI_MISC_W32(dsi_hw, off, val) \
+	do {\
+		pr_debug("[DSI_%d][%s] - [0x%08x]\n", \
+			(dsi_hw)->index, #off, val); \
+		writel_relaxed((val), (dsi_hw)->phy_clamp_base + (off)); \
+	} while (0)
+#define DSI_DISP_CC_R32(dsi_hw, off) \
+	readl_relaxed((dsi_hw)->disp_cc_base + (off))
+#define DSI_DISP_CC_W32(dsi_hw, off, val) \
+	do {\
+		pr_debug("[DSI_%d][%s] - [0x%08x]\n", \
+			(dsi_hw)->index, #off, val); \
+		writel_relaxed((val), (dsi_hw)->disp_cc_base + (off)); \
+	} while (0)
+
+#define DSI_R64(dsi_hw, off) readq_relaxed((dsi_hw)->base + (off))
+#define DSI_W64(dsi_hw, off, val) writeq_relaxed((val), (dsi_hw)->base + (off))
+
+#endif /* _DSI_HW_H_ */