1 files changed, 78 insertions, 0 deletions
diff --git a/security/smc/omap4/scx_public_dma.h b/security/smc/omap4/scx_public_dma.h
new file mode 100644
index 0000000..ddd19b2
--- /dev/null
+++ b/security/smc/omap4/scx_public_dma.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2006-2010 Trusted Logic S.A.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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., 59 Temple
+ * Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __SCX_PUBLIC_DMA_H
+#define __SCX_PUBLIC_DMA_H
+
+#include <linux/dma-mapping.h>
+#include <plat/dma.h>
+#include <plat/dma-44xx.h>
+
+#include "scx_public_crypto.h"
+
+/*---------------------------------------------------------------------------
+ * Cache management (implemented in the assembler file)
+ *-------------------------------------------------------------------------- */
+
+u32 v7_dma_flush_range(u32 nVAStart, u32 nVAEnd);
+u32 v7_dma_inv_range(u32 nVAStart, u32 nVAEnd);
+
+/*-------------------------------------------------------------------------- */
+/*
+ * Public DMA API
+ */
+
+/*
+ * CEN Masks
+ */
+#define DMA_CEN_Elts_per_Frame_AES             4
+#define DMA_CEN_Elts_per_Frame_DES             2
+#define DMA_CEN_Elts_per_Frame_SHA             16
+
+/*
+ * Request a DMA channel
+ */
+u32 scxPublicDMARequest(int *lch);
+
+/*
+ * Release a DMA channel
+ */
+u32 scxPublicDMARelease(int lch);
+
+/**
+ * This function waits for the DMA IRQ.
+ */
+void scxPublicDMAWait(int nr_of_cb);
+
+/*
+ * This function starts a DMA operation.
+ *
+ * lch			DMA channel ID.
+ * interruptMask	Configures the Channel Interrupt Control Register.
+ */
+void scxPublicDMAStart(int lch, int interruptMask);
+
+void scxPublicSetDMAChannelCommonParams(
+		struct omap_dma_channel_params *pDMAChannel,
+		u32 nbBlocks, u32 nbElements, u32 nDstStart,
+		u32 nSrcStart, u32 nTriggerID);
+void scxPublicDMASetParams(int lch, struct omap_dma_channel_params *pParams);
+void scxPublicDMADisableChannel(int lch);
+void scxPublicDMAClearChannel(int lch);
+
+#endif /*__SCX_PUBLIC_DMA_H */