From 14a4057959f8ee0a2249eb2abd64fd6b1f571d98 Mon Sep 17 00:00:00 2001
From: Ian Wisbon <ian.wisbon@timesys.com>
Date: Thu, 10 Feb 2011 17:15:15 -0500
Subject: Digi Release Code - 02142011 Missing Files Fix

---
 drivers/mxc/amd-gpu/include/gsl_driver.h | 106 +++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 drivers/mxc/amd-gpu/include/gsl_driver.h

(limited to 'drivers/mxc/amd-gpu/include/gsl_driver.h')

diff --git a/drivers/mxc/amd-gpu/include/gsl_driver.h b/drivers/mxc/amd-gpu/include/gsl_driver.h
new file mode 100644
index 000000000000..42dff457dc49
--- /dev/null
+++ b/drivers/mxc/amd-gpu/include/gsl_driver.h
@@ -0,0 +1,106 @@
+/* Copyright (c) 2008-2010, Advanced Micro Devices. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Advanced Micro Devices nor
+ *       the names of its contributors may be used to endorse or promote
+ *       products derived from this software without specific prior written
+ *       permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef __GSL_DRIVER_H
+#define __GSL_DRIVER_H
+
+
+/////////////////////////////////////////////////////////////////////////////
+// macros
+//////////////////////////////////////////////////////////////////////////////
+#ifdef GSL_DEDICATED_PROCESS
+#define GSL_CALLER_PROCESSID_GET()      kos_callerprocess_getid()
+#else
+#define GSL_CALLER_PROCESSID_GET()      kos_process_getid()
+#endif // GSL_DEDICATED_PROCESS
+
+#ifdef GSL_LOCKING_COURSEGRAIN
+#define GSL_API_MUTEX_CREATE()          gsl_driver.mutex = kos_mutex_create("gsl_global"); \
+                                        if (!gsl_driver.mutex) {return (GSL_FAILURE);}
+#define GSL_API_MUTEX_LOCK()            kos_mutex_lock(gsl_driver.mutex)
+#define GSL_API_MUTEX_UNLOCK()          kos_mutex_unlock(gsl_driver.mutex)
+#define GSL_API_MUTEX_FREE()            kos_mutex_free(gsl_driver.mutex); gsl_driver.mutex = 0;
+#else
+#define GSL_API_MUTEX_CREATE()
+#define GSL_API_MUTEX_LOCK()        
+#define GSL_API_MUTEX_UNLOCK()      
+#define GSL_API_MUTEX_FREE()
+#endif
+
+
+//////////////////////////////////////////////////////////////////////////////
+// types
+//////////////////////////////////////////////////////////////////////////////
+
+// -------------
+// driver object 
+// -------------
+typedef struct _gsl_driver_t {
+    gsl_flags_t      flags_debug;
+    int              refcnt;
+    unsigned int     callerprocess[GSL_CALLER_PROCESS_MAX]; // caller process table
+    oshandle_t       mutex;                                 // global API mutex
+    void             *hal;
+    gsl_sharedmem_t  shmem;
+    gsl_device_t     device[GSL_DEVICE_MAX];
+    int              dmi_state;     //  OS_TRUE = enabled, OS_FALSE otherwise
+    gsl_flags_t      dmi_mode;      //  single, double, or triple buffering
+    int              dmi_frame;     //  set to -1 when DMI is enabled
+    int              dmi_max_frame; //  indicates the maximum frame # that we will support
+    int              enable_mmu;
+} gsl_driver_t;
+
+
+//////////////////////////////////////////////////////////////////////////////
+// external variable declarations
+//////////////////////////////////////////////////////////////////////////////
+extern gsl_driver_t  gsl_driver;
+
+
+//////////////////////////////////////////////////////////////////////////////
+//  inline functions
+//////////////////////////////////////////////////////////////////////////////
+OSINLINE int
+kgsl_driver_getcallerprocessindex(unsigned int pid, int *index)
+{
+    int  i;
+
+    // obtain index in caller process table
+    for (i = 0; i < GSL_CALLER_PROCESS_MAX; i++)
+    {
+        if (gsl_driver.callerprocess[i] == pid)
+        {
+            *index = i;            
+            return (GSL_SUCCESS);
+        }
+    }
+
+    return (GSL_FAILURE);
+}
+
+#endif // __GSL_DRIVER_H
-- 
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