summaryrefslogtreecommitdiff
path: root/drivers/mxc/amd-gpu/include/gsl_sharedmem.h
diff options
context:
space:
mode:
authorIan Wisbon <ian.wisbon@timesys.com>2011-02-10 17:15:15 -0500
committerIan Wisbon <ian.wisbon@timesys.com>2011-02-14 14:29:06 -0500
commit14a4057959f8ee0a2249eb2abd64fd6b1f571d98 (patch)
tree6df655a665a5a56bd6b7cae5e2689fc5a1b6c965 /drivers/mxc/amd-gpu/include/gsl_sharedmem.h
parent0eb553bf96e2c990d3bfccaa07da0863624c89ab (diff)
Digi Release Code - 02142011 Missing Files Fix2.6.31-digi-201102141503
Diffstat (limited to 'drivers/mxc/amd-gpu/include/gsl_sharedmem.h')
-rw-r--r--drivers/mxc/amd-gpu/include/gsl_sharedmem.h110
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