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-rw-r--r--drivers/mxc/amd-gpu/include/gsl_driver.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/mxc/amd-gpu/include/gsl_driver.h b/drivers/mxc/amd-gpu/include/gsl_driver.h
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+++ b/drivers/mxc/amd-gpu/include/gsl_driver.h
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+/* 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
+} 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