IKXCLOCK-343 Initial TI SGX Android DDK version 1.9@2166536

Original source code pulled in from TI SGX Android DDK 1.9@2166536

Change-Id: Ibcdb0016a6b1ca2e26583c578eb690cc9cd57708

1 files changed, 119 insertions, 0 deletions

diff --git a/drivers/gpu/pvr/services4/srvkm/env/linux/mutils.h b/drivers/gpu/pvr/services4/srvkm/env/linux/mutils.h
new file mode 100644
index 00000000000..891598c28b7
--- /dev/null
+++ b/drivers/gpu/pvr/services4/srvkm/env/linux/mutils.h
@@ -0,0 +1,119 @@
+/*************************************************************************/ /*!
+@Title          Memory management support utils
+@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
+@Description    Declares various memory management support functions
+                for Linux.
+@License        Dual MIT/GPLv2
+
+The contents of this file are subject to the MIT license as set out below.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+Alternatively, the contents of this file may be used under the terms of
+the GNU General Public License Version 2 ("GPL") in which case the provisions
+of GPL are applicable instead of those above.
+
+If you wish to allow use of your version of this file only under the terms of
+GPL, and not to allow others to use your version of this file under the terms
+of the MIT license, indicate your decision by deleting the provisions above
+and replace them with the notice and other provisions required by GPL as set
+out in the file called "GPL-COPYING" included in this distribution. If you do
+not delete the provisions above, a recipient may use your version of this file
+under the terms of either the MIT license or GPL.
+
+This License is also included in this distribution in the file called
+"MIT-COPYING".
+
+EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
+PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/ /**************************************************************************/
+#ifndef __IMG_LINUX_MUTILS_H__
+#define __IMG_LINUX_MUTILS_H__
+
+#include <linux/version.h>
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
+#ifndef AUTOCONF_INCLUDED
+#include <linux/config.h>
+#endif
+#endif
+
+#if !(defined(__i386__) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)))
+#if defined(SUPPORT_LINUX_X86_PAT)
+#undef SUPPORT_LINUX_X86_PAT
+#endif
+#endif
+
+#if defined(SUPPORT_LINUX_X86_PAT)
+	pgprot_t pvr_pgprot_writecombine(pgprot_t prot);
+	#define	PGPROT_WC(pv)	pvr_pgprot_writecombine(pv)
+#else
+	#if defined(__arm__) || defined(__sh__)
+		#define	PGPROT_WC(pv)	pgprot_writecombine(pv)
+	#else
+		#if defined(__i386__) || defined(__mips__)
+			#define	PGPROT_WC(pv)	pgprot_noncached(pv)
+		#else
+			#define PGPROT_WC(pv)	pgprot_noncached(pv)
+			#error  Unsupported architecture!
+		#endif
+	#endif
+#endif
+
+#define	PGPROT_UC(pv)	pgprot_noncached(pv)
+
+#if defined(__i386__) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
+	#define	IOREMAP(pa, bytes)	ioremap_cache(pa, bytes)
+#else	
+	#if defined(__arm__) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
+		#define	IOREMAP(pa, bytes)	ioremap_cached(pa, bytes)
+	#else
+		#define IOREMAP(pa, bytes)	ioremap(pa, bytes)
+	#endif
+#endif
+
+#if defined(SUPPORT_LINUX_X86_PAT)
+	#if defined(SUPPORT_LINUX_X86_WRITECOMBINE)
+		#define IOREMAP_WC(pa, bytes) ioremap_wc(pa, bytes)
+	#else
+		#define IOREMAP_WC(pa, bytes) ioremap_nocache(pa, bytes)
+	#endif
+#else
+	#if defined(__arm__)
+		#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))
+			#define IOREMAP_WC(pa, bytes) ioremap_wc(pa, bytes)
+		#else
+			#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22))
+				#define	IOREMAP_WC(pa, bytes)	ioremap_nocache(pa, bytes)
+			#else
+				#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17))
+					#define	IOREMAP_WC(pa, bytes)	__ioremap(pa, bytes, L_PTE_BUFFERABLE)
+				#else
+					#define IOREMAP_WC(pa, bytes)	__ioremap(pa, bytes, , L_PTE_BUFFERABLE, 1)
+				#endif
+			#endif
+		#endif
+	#else
+		#define IOREMAP_WC(pa, bytes)	ioremap_nocache(pa, bytes)
+	#endif
+#endif
+
+#define	IOREMAP_UC(pa, bytes)	ioremap_nocache(pa, bytes)
+
+IMG_VOID PVRLinuxMUtilsInit(IMG_VOID);
+
+#endif /* __IMG_LINUX_MUTILS_H__ */
+