gpu: host1x: Make host1x header file public

In preparation to support host1x clients other than DRM, move this
header into a public location.

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

MAINTAINERS

@@ -2817,6 +2817,7 @@ L:	linux-tegra@vger.kernel.org
 T:	git git://anongit.freedesktop.org/tegra/linux.git
 S:	Maintained
 F:	drivers/gpu/host1x/
+F:	include/linux/host1x.h
 F:	include/uapi/drm/tegra_drm.h
 F:	Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt
 

drivers/gpu/host1x/drm/drm.h

@@ -10,14 +10,14 @@
 #ifndef HOST1X_DRM_H
 #define HOST1X_DRM_H 1
 
+#include <uapi/drm/tegra_drm.h>
+#include <linux/host1x.h>
+
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_fixed.h>
-#include <uapi/drm/tegra_drm.h>
-
-#include "host1x.h"
 
 struct tegra_fb {
 	struct drm_framebuffer base;

drivers/gpu/host1x/drm/gr2d.c

@@ -20,7 +20,6 @@
 #include "drm.h"
 #include "gem.h"
 #include "job.h"
-#include "host1x.h"
 #include "host1x_bo.h"
 #include "host1x_client.h"
 #include "syncpt.h"

drivers/gpu/host1x/hw/channel_hw.c

@@ -16,10 +16,11 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <linux/host1x.h>
 #include <linux/slab.h>
+
 #include <trace/events/host1x.h>
 
-#include "host1x.h"
 #include "host1x_bo.h"
 #include "channel.h"
 #include "dev.h"

include/linux/host1x.h

@@ -1,6 +1,4 @@
 /*
- * Tegra host1x driver
- *
  * Copyright (c) 2009-2013, NVIDIA Corporation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
@@ -22,9 +20,9 @@
 #define __LINUX_HOST1X_H
 
 enum host1x_class {
-	HOST1X_CLASS_HOST1X	= 0x1,
-	HOST1X_CLASS_GR2D	= 0x51,
-	HOST1X_CLASS_GR2D_SB    = 0x52
+	HOST1X_CLASS_HOST1X = 0x1,
+	HOST1X_CLASS_GR2D = 0x51,
+	HOST1X_CLASS_GR2D_SB = 0x52,
 };
 
 #endif