Maemo patchset 20101501+0m5

[h-e-n] / drivers / gpu / pvr / ra.h

diff --git a/drivers/gpu/pvr/ra.h b/drivers/gpu/pvr/ra.h
new file mode 100644 (file)
index 0000000..b1ae36a
--- /dev/null
+++ b/drivers/gpu/pvr/ra.h
@@ -0,0 +1,103 @@
+/**********************************************************************
+ *
+ * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful but, except
+ * as otherwise stated in writing, without any warranty; without even the
+ * implied warranty of merchantability or fitness for a particular purpose.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * Imagination Technologies Ltd. <gpl-support@imgtec.com>
+ * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
+ *
+ ******************************************************************************/
+
+#ifndef _RA_H_
+#define _RA_H_
+
+#include "img_types.h"
+#include "hash.h"
+#include "osfunc.h"
+
+struct RA_ARENA;
+struct BM_MAPPING;
+
+#define RA_STATS
+
+struct RA_STATISTICS {
+       u32 uSpanCount;
+       u32 uLiveSegmentCount;
+       u32 uFreeSegmentCount;
+       u32 uTotalResourceCount;
+       u32 uFreeResourceCount;
+       u32 uCumulativeAllocs;
+       u32 uCumulativeFrees;
+       u32 uImportCount;
+       u32 uExportCount;
+};
+
+struct RA_SEGMENT_DETAILS {
+       u32 uiSize;
+       struct IMG_CPU_PHYADDR sCpuPhyAddr;
+       void *hSegment;
+};
+
+struct RA_ARENA *RA_Create(char *name, u32 base, size_t uSize,
+                   struct BM_MAPPING *psMapping, size_t uQuantum,
+                   IMG_BOOL (*alloc)(void *_h, size_t uSize,
+                                     size_t *pActualSize,
+                                     struct BM_MAPPING **ppsMapping,
+                                     u32 uFlags, u32 *pBase),
+                   void (*free)(void *, u32, struct BM_MAPPING *psMapping),
+                   void (*backingstore_free)(void *, u32, u32, void *),
+                   void *import_handle);
+
+void RA_Delete(struct RA_ARENA *pArena);
+
+IMG_BOOL RA_Add(struct RA_ARENA *pArena, u32 base, size_t uSize);
+
+IMG_BOOL RA_Alloc(struct RA_ARENA *pArena, size_t uSize, size_t *pActualSize,
+        struct BM_MAPPING **ppsMapping, u32 uFlags, u32 uAlignment,
+        u32 uAlignmentOffset, u32 *pBase);
+
+void RA_Free(struct RA_ARENA *pArena, u32 base, IMG_BOOL bFreeBackingStore);
+
+#ifdef RA_STATS
+
+#define CHECK_SPACE(total)                             \
+{                                                      \
+       if (total < 100)                                \
+               return PVRSRV_ERROR_INVALID_PARAMS;     \
+}
+
+#define UPDATE_SPACE(str, count, total)                        \
+{                                                      \
+       if (count == -1)                                \
+               return PVRSRV_ERROR_INVALID_PARAMS;     \
+       else {                                          \
+               str += count;                           \
+               total -= count;                         \
+       }                                               \
+}
+
+IMG_BOOL RA_GetNextLiveSegment(void *hArena,
+                              struct RA_SEGMENT_DETAILS *psSegDetails);
+
+enum PVRSRV_ERROR RA_GetStats(struct RA_ARENA *pArena,
+                        char **ppszStr, u32 *pui32StrLen);
+
+#endif
+
+#endif