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diff --git a/drivers/mxc/amd-gpu/include/gsl_device.h b/drivers/mxc/amd-gpu/include/gsl_device.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_DEVICE_H
+#define __GSL_DEVICE_H
+
+#ifdef _LINUX
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+// types
+//////////////////////////////////////////////////////////////////////////////
+
+// --------------
+// function table
+// --------------
+typedef struct _gsl_functable_t {
+ int (*device_init) (gsl_device_t *device);
+ int (*device_close) (gsl_device_t *device);
+ int (*device_destroy) (gsl_device_t *device);
+ int (*device_start) (gsl_device_t *device, gsl_flags_t flags);
+ int (*device_stop) (gsl_device_t *device);
+ int (*device_getproperty) (gsl_device_t *device, gsl_property_type_t type, void *value, unsigned int sizebytes);
+ int (*device_setproperty) (gsl_device_t *device, gsl_property_type_t type, void *value, unsigned int sizebytes);
+ int (*device_idle) (gsl_device_t *device, unsigned int timeout);
+ int (*device_regread) (gsl_device_t *device, unsigned int offsetwords, unsigned int *value);
+ int (*device_regwrite) (gsl_device_t *device, unsigned int offsetwords, unsigned int value);
+ int (*device_waitirq) (gsl_device_t *device, gsl_intrid_t intr_id, unsigned int *count, unsigned int timeout);
+ int (*device_waittimestamp) (gsl_device_t *device, gsl_timestamp_t timestamp, unsigned int timeout);
+ int (*device_runpending) (gsl_device_t *device);
+ int (*device_addtimestamp) (gsl_device_t *device_id, gsl_timestamp_t *timestamp);
+ int (*intr_isr) (gsl_device_t *device);
+ int (*mmu_tlbinvalidate) (gsl_device_t *device, unsigned int reg_invalidate, unsigned int pid);
+ int (*mmu_setpagetable) (gsl_device_t *device, unsigned int reg_ptbase, gpuaddr_t ptbase, unsigned int pid);
+ int (*cmdstream_issueibcmds) (gsl_device_t *device, int drawctxt_index, gpuaddr_t ibaddr, int sizedwords, gsl_timestamp_t *timestamp, gsl_flags_t flags);
+ int (*context_create) (gsl_device_t *device, gsl_context_type_t type, unsigned int *drawctxt_id, gsl_flags_t flags);
+ int (*context_destroy) (gsl_device_t *device_id, unsigned int drawctxt_id);
+} gsl_functable_t;
+
+// -------------
+// device object
+// -------------
+struct _gsl_device_t {
+
+ unsigned int refcnt;
+ unsigned int callerprocess[GSL_CALLER_PROCESS_MAX]; // caller process table
+ gsl_functable_t ftbl;
+ gsl_flags_t flags;
+ gsl_deviceid_t id;
+ unsigned int chip_id;
+ gsl_memregion_t regspace;
+ gsl_intr_t intr;
+ gsl_memdesc_t memstore;
+ gsl_memqueue_t memqueue; // queue of memfrees pending timestamp elapse
+
+#ifdef GSL_DEVICE_SHADOW_MEMSTORE_TO_USER
+ unsigned int memstoreshadow[GSL_CALLER_PROCESS_MAX];
+#endif // GSL_DEVICE_SHADOW_MEMSTORE_TO_USER
+
+#ifndef GSL_NO_MMU
+ gsl_mmu_t mmu;
+#endif // GSL_NO_MMU
+
+#ifdef GSL_BLD_YAMATO
+ gsl_memregion_t gmemspace;
+ gsl_ringbuffer_t ringbuffer;
+ unsigned int drawctxt_count;
+ gsl_drawctxt_t *drawctxt_active;
+ gsl_drawctxt_t drawctxt[GSL_CONTEXT_MAX];
+#endif // GSL_BLD_YAMATO
+
+#ifdef GSL_BLD_G12
+ unsigned int intrcnt[GSL_G12_INTR_COUNT];
+ gsl_timestamp_t current_timestamp;
+ gsl_timestamp_t timestamp;
+#ifndef _LINUX
+ unsigned int irq_thread;
+ oshandle_t irq_thread_handle;
+#endif
+#ifdef IRQTHREAD_POLL
+ oshandle_t irqthread_event;
+#endif
+#endif // GSL_BLD_G12
+#ifndef _LINUX
+ oshandle_t timestamp_event;
+#else
+ wait_queue_head_t timestamp_waitq;
+ struct workqueue_struct *irq_workq;
+ struct work_struct irq_work;
+#endif
+ void *autogate;
+};
+
+
+//////////////////////////////////////////////////////////////////////////////
+// prototypes
+//////////////////////////////////////////////////////////////////////////////
+int kgsl_device_init(gsl_device_t *device, gsl_deviceid_t device_id);
+int kgsl_device_close(gsl_device_t *device);
+int kgsl_device_destroy(gsl_device_t *device);
+int kgsl_device_attachcallback(gsl_device_t *device, unsigned int pid);
+int kgsl_device_detachcallback(gsl_device_t *device, unsigned int pid);
+int kgsl_device_runpending(gsl_device_t *device);
+
+int kgsl_yamato_getfunctable(gsl_functable_t *ftbl);
+int kgsl_g12_getfunctable(gsl_functable_t *ftbl);
+
+int kgsl_clock(gsl_deviceid_t dev, int enable);
+int kgsl_device_active(gsl_device_t *dev);
+int kgsl_device_clock(gsl_deviceid_t id, int enable);
+int kgsl_device_autogate_init(gsl_device_t *dev);
+void kgsl_device_autogate_exit(gsl_device_t *dev);
+
+
+#endif // __GSL_DEVICE_H