1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/char/broadcom/vc_sm/vc_sm_knl.h b/drivers/char/broadcom/vc_sm/vc_sm_knl.h
new file mode 100644
index 000000000000..f7f74750d835
--- /dev/null
+++ b/drivers/char/broadcom/vc_sm/vc_sm_knl.h
@@ -0,0 +1,53 @@
+/*
+ ****************************************************************************
+ * Copyright 2011 Broadcom Corporation.  All rights reserved.
+ *
+ * Unless you and Broadcom execute a separate written software license
+ * agreement governing use of this software, this software is licensed to you
+ * under the terms of the GNU General Public License version 2, available at
+ * http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
+ *
+ * Notwithstanding the above, under no circumstances may you combine this
+ * software in any way with any other Broadcom software provided under a
+ * license other than the GPL, without Broadcom's express prior written
+ * consent.
+ ****************************************************************************
+ */
+
+#ifndef __VC_SM_KNL_H__INCLUDED__
+#define __VC_SM_KNL_H__INCLUDED__
+
+#if !defined(__KERNEL__)
+#error "This interface is for kernel use only..."
+#endif
+
+/* Type of memory to be locked (ie mapped) */
+enum vc_sm_lock_cache_mode {
+	VC_SM_LOCK_CACHED,
+	VC_SM_LOCK_NON_CACHED,
+};
+
+/* Allocate a shared memory handle and block. */
+int vc_sm_alloc(struct vc_sm_alloc_t *alloc, int *handle);
+
+/* Free a previously allocated shared memory handle and block. */
+int vc_sm_free(int handle);
+
+/* Lock a memory handle for use by kernel. */
+int vc_sm_lock(int handle, enum vc_sm_lock_cache_mode mode,
+	       unsigned long *data);
+
+/* Unlock a memory handle in use by kernel. */
+int vc_sm_unlock(int handle, int flush, int no_vc_unlock);
+
+/* Get an internal resource handle mapped from the external one. */
+int vc_sm_int_handle(int handle);
+
+/* Map a shared memory region for use by kernel. */
+int vc_sm_map(int handle, unsigned int sm_addr,
+	      enum vc_sm_lock_cache_mode mode, unsigned long *data);
+
+/* Import a block of memory into the GPU space. */
+int vc_sm_import_dmabuf(struct dma_buf *dmabuf, int *handle);
+
+#endif /* __VC_SM_KNL_H__INCLUDED__ */