1 files changed, 101 insertions, 0 deletions

diff --git a/drivers/gpu/pvr/mutils.h b/drivers/gpu/pvr/mutils.h
new file mode 100644
index 00000000000..943c2bd80a3
--- /dev/null
+++ b/drivers/gpu/pvr/mutils.h
@@ -0,0 +1,101 @@
+/**********************************************************************
+ *
+ * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope it will be useful but, except 
+ * as otherwise stated in writing, without any warranty; without even the 
+ * implied warranty of merchantability or fitness for a particular purpose. 
+ * See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ * 
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * Imagination Technologies Ltd. <gpl-support@imgtec.com>
+ * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK 
+ *
+ ******************************************************************************/
+
+#ifndef __IMG_LINUX_MUTILS_H__
+#define __IMG_LINUX_MUTILS_H__
+
+#ifndef AUTOCONF_INCLUDED
+#include <linux/config.h>
+#endif
+
+#include <linux/version.h>
+
+#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__)
+                        #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 
+