Add support for the i.MX53 QSB2.6.35.3-mx53-early-201103141049

This patch seems to have originated from the 11.01.00 release
from Freescale, which is no longer available except through the
gitweb interface from Freescale.

http://opensource.freescale.com/git?p=imx/linux-2.6-imx.git;a=commit;h=27fdf7bae11978d21e8aba09bb635f49b07edd4a

1 files changed, 110 insertions, 0 deletions

diff --git a/drivers/mxc/amd-gpu/include/gsl_sharedmem.h b/drivers/mxc/amd-gpu/include/gsl_sharedmem.h
new file mode 100644
index 000000000000..bb9692cc1e44
--- /dev/null
+++ b/drivers/mxc/amd-gpu/include/gsl_sharedmem.h
@@ -0,0 +1,110 @@
+/* Copyright (c) 2002,2007-2010, Code Aurora Forum. 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 Code Aurora 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, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT 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_SHAREDMEM_H
+#define __GSL_SHAREDMEM_H
+
+
+//////////////////////////////////////////////////////////////////////////////
+//  defines
+//////////////////////////////////////////////////////////////////////////////
+
+#define GSL_APERTURE_MASK                   0x000000FF
+#define GSL_DEVICEID_MASK                   0x0000FF00
+#define GSL_EXTALLOC_MASK                   0x000F0000
+
+#define GSL_APERTURE_SHIFT                  0
+#define GSL_DEVICEID_SHIFT                  8
+#define GSL_EXTALLOC_SHIFT                  16
+
+#define GSL_APERTURE_GETGPUADDR(shmem, aperture_index)  \
+    shmem.apertures[aperture_index].memarena->gpubaseaddr;
+
+#define GSL_APERTURE_GETHOSTADDR(shmem, aperture_index) \
+    shmem.apertures[aperture_index].memarena->hostbaseaddr;
+
+//////////////////////////////////////////////////////////////////////////////
+//  types
+//////////////////////////////////////////////////////////////////////////////
+
+// ---------------------
+// memory aperture stats
+// ---------------------
+typedef struct _gsl_aperture_stats_t
+{
+    gsl_apertureid_t      id;
+    gsl_channelid_t       channel;
+    gsl_memarena_stats_t  memarena;
+} gsl_aperture_stats_t;
+
+// -------------------
+// shared memory stats
+// -------------------
+typedef struct _gsl_sharedmem_stats_t
+{
+    gsl_aperture_stats_t  apertures[GSL_SHMEM_MAX_APERTURES];
+} gsl_sharedmem_stats_t;
+
+// ---------------
+// memory aperture
+// ---------------
+typedef struct _gsl_aperture_t
+{
+    gsl_apertureid_t  id;
+    gsl_channelid_t   channel;
+    int               numbanks;
+    gsl_memarena_t    *memarena;
+} gsl_aperture_t;
+
+// --------------------
+// shared memory object
+// --------------------
+typedef struct _gsl_sharedmem_t
+{
+    gsl_flags_t     flags;
+    unsigned int    priv;
+    int             numapertures;
+    gsl_aperture_t  apertures[GSL_SHMEM_MAX_APERTURES]; 
+    int             aperturelookup[GSL_APERTURE_MAX][GSL_CHANNEL_MAX];
+} gsl_sharedmem_t;
+
+
+//////////////////////////////////////////////////////////////////////////////
+//  prototypes
+//////////////////////////////////////////////////////////////////////////////
+int             kgsl_sharedmem_init(gsl_sharedmem_t *shmem);
+int             kgsl_sharedmem_close(gsl_sharedmem_t *shmem);
+int             kgsl_sharedmem_alloc0(gsl_deviceid_t device_id, gsl_flags_t flags, int sizebytes, gsl_memdesc_t *memdesc);
+int             kgsl_sharedmem_free0(gsl_memdesc_t *memdesc, unsigned int pid);
+int             kgsl_sharedmem_read0(const gsl_memdesc_t *memdesc, void *dst, unsigned int offsetbytes, unsigned int sizebytes, unsigned int touserspace);
+int             kgsl_sharedmem_write0(const gsl_memdesc_t *memdesc, unsigned int offsetbytes, void *src, unsigned int sizebytes, unsigned int fromuserspace);
+int             kgsl_sharedmem_set0(const gsl_memdesc_t *memdesc, unsigned int offsetbytes, unsigned int value, unsigned int sizebytes);
+int             kgsl_sharedmem_querystats(gsl_sharedmem_t *shmem, gsl_sharedmem_stats_t *stats);
+unsigned int    kgsl_sharedmem_convertaddr(unsigned int addr, int type);
+
+#endif // __GSL_SHAREDMEM_H