1 files changed, 70 insertions, 0 deletions

diff --git a/drivers/gpu/pvr/mutex.h b/drivers/gpu/pvr/mutex.h
new file mode 100644
index 00000000000..b24a5990f8f
--- /dev/null
+++ b/drivers/gpu/pvr/mutex.h
@@ -0,0 +1,70 @@
+/**********************************************************************
+ *
+ * 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 __INCLUDED_LINUX_MUTEX_H_
+#define __INCLUDED_LINUX_MUTEX_H_
+
+#include <linux/version.h>
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
+#include <linux/mutex.h>
+#else
+#include <asm/semaphore.h>
+#endif
+
+
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
+
+typedef struct mutex PVRSRV_LINUX_MUTEX;
+
+#else 
+
+
+typedef struct {
+    struct semaphore sSemaphore;
+    
+    atomic_t Count;
+}PVRSRV_LINUX_MUTEX;
+
+#endif
+
+
+extern IMG_VOID LinuxInitMutex(PVRSRV_LINUX_MUTEX *psPVRSRVMutex);
+
+extern IMG_VOID LinuxLockMutex(PVRSRV_LINUX_MUTEX *psPVRSRVMutex);
+
+extern PVRSRV_ERROR LinuxLockMutexInterruptible(PVRSRV_LINUX_MUTEX *psPVRSRVMutex);
+
+extern IMG_INT32 LinuxTryLockMutex(PVRSRV_LINUX_MUTEX *psPVRSRVMutex);
+
+extern IMG_VOID LinuxUnLockMutex(PVRSRV_LINUX_MUTEX *psPVRSRVMutex);
+
+extern IMG_BOOL LinuxIsLockedMutex(PVRSRV_LINUX_MUTEX *psPVRSRVMutex);
+
+
+#endif 
+