1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/staging/cdv/drv/psb_pvr_glue.c b/drivers/staging/cdv/drv/psb_pvr_glue.c
new file mode 100644
index 000000000000..d20b676cfe48
--- /dev/null
+++ b/drivers/staging/cdv/drv/psb_pvr_glue.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2011, Intel Corporation.
+ *
+ * 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 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.
+ *
+ */
+
+#include "psb_pvr_glue.h"
+
+/**
+ * FIXME: should NOT use these file under env/linux directly
+ */
+#include "mm.h"
+
+int psb_get_meminfo_by_handle(IMG_HANDLE hKernelMemInfo,
+				PVRSRV_KERNEL_MEM_INFO **ppsKernelMemInfo)
+{
+	PVRSRV_KERNEL_MEM_INFO *psKernelMemInfo = IMG_NULL;
+	PVRSRV_PER_PROCESS_DATA *psPerProc = IMG_NULL;
+	PVRSRV_ERROR eError;
+
+	psPerProc = PVRSRVPerProcessData(OSGetCurrentProcessIDKM());
+	eError = PVRSRVLookupHandle(psPerProc->psHandleBase,
+				    (IMG_VOID *)&psKernelMemInfo,
+				    hKernelMemInfo,
+				    PVRSRV_HANDLE_TYPE_MEM_INFO);
+	if (eError != PVRSRV_OK) {
+		DRM_ERROR("Cannot find kernel meminfo for handle 0x%x\n",
+			  (IMG_UINT32)hKernelMemInfo);
+		return -EINVAL;
+	}
+
+	*ppsKernelMemInfo = psKernelMemInfo;
+
+	DRM_DEBUG("Got Kernel MemInfo for handle 0x%x\n",
+		  (IMG_UINT32)hKernelMemInfo);
+	return 0;
+}
+
+IMG_UINT32 psb_get_tgid(void)
+{
+	return OSGetCurrentProcessIDKM();
+}
+
+int psb_get_pages_by_mem_handle(IMG_HANDLE hOSMemHandle, struct page ***pages)
+{
+	LinuxMemArea *psLinuxMemArea = (LinuxMemArea *)hOSMemHandle;
+	struct page **page_list;
+
+	if (psLinuxMemArea->eAreaType != LINUX_MEM_AREA_ALLOC_PAGES) {
+		DRM_ERROR("MemArea type is not LINUX_MEM_AREA_ALLOC_PAGES\n");
+		return -EINVAL;
+	}
+
+	page_list = psLinuxMemArea->uData.sPageList.pvPageList;
+	if (!page_list) {
+		DRM_DEBUG("Page List is NULL\n");
+		return -ENOMEM;
+	}
+
+	*pages = page_list;
+	return 0;
+}