drm/tegra: Use symbolic names for gr2d registers

Instead of using magic numbers for the registers which contain memory
addresses in the firewall table, using symbolic names.

Signed-off-by: Thierry Reding <treding@nvidia.com>

2 files changed, 42 insertions, 4 deletions

diff --git a/drivers/gpu/drm/tegra/gr2d.c b/drivers/gpu/drm/tegra/gr2d.c
index 4e407e30da1c..bbeedc24d004 100644
--- a/drivers/gpu/drm/tegra/gr2d.c
+++ b/drivers/gpu/drm/tegra/gr2d.c
@@ -18,8 +18,7 @@
 
 #include "drm.h"
 #include "gem.h"
-
-#define GR2D_NUM_REGS 0x4d
+#include "gr2d.h"
 
 struct gr2d {
         struct tegra_drm_client client;
@@ -259,8 +258,19 @@ static const struct of_device_id gr2d_match[] = {
 };
 
 static const u32 gr2d_addr_regs[] = {
-        0x1a, 0x1b, 0x26, 0x2b, 0x2c, 0x2d, 0x31, 0x32,
-        0x48, 0x49, 0x4a, 0x4b, 0x4c
+        GR2D_UA_BASE_ADDR,
+        GR2D_VA_BASE_ADDR,
+        GR2D_PAT_BASE_ADDR,
+        GR2D_DSTA_BASE_ADDR,
+        GR2D_DSTB_BASE_ADDR,
+        GR2D_DSTC_BASE_ADDR,
+        GR2D_SRCA_BASE_ADDR,
+        GR2D_SRCB_BASE_ADDR,
+        GR2D_SRC_BASE_ADDR_SB,
+        GR2D_DSTA_BASE_ADDR_SB,
+        GR2D_DSTB_BASE_ADDR_SB,
+        GR2D_UA_BASE_ADDR_SB,
+        GR2D_VA_BASE_ADDR_SB,
 };
 
 static int gr2d_probe(struct platform_device *pdev)
diff --git a/drivers/gpu/drm/tegra/gr2d.h b/drivers/gpu/drm/tegra/gr2d.h
new file mode 100644
index 000000000000..4d7304fb015e
--- /dev/null
+++ b/drivers/gpu/drm/tegra/gr2d.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2013 NVIDIA Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef TEGRA_GR2D_H
+#define TEGRA_GR2D_H
+
+#define GR2D_UA_BASE_ADDR               0x1a
+#define GR2D_VA_BASE_ADDR               0x1b
+#define GR2D_PAT_BASE_ADDR              0x26
+#define GR2D_DSTA_BASE_ADDR             0x2b
+#define GR2D_DSTB_BASE_ADDR             0x2c
+#define GR2D_DSTC_BASE_ADDR             0x2d
+#define GR2D_SRCA_BASE_ADDR             0x31
+#define GR2D_SRCB_BASE_ADDR             0x32
+#define GR2D_SRC_BASE_ADDR_SB           0x48
+#define GR2D_DSTA_BASE_ADDR_SB          0x49
+#define GR2D_DSTB_BASE_ADDR_SB          0x4a
+#define GR2D_UA_BASE_ADDR_SB            0x4b
+#define GR2D_VA_BASE_ADDR_SB            0x4c
+
+#define GR2D_NUM_REGS                   0x4d
+
+#endif