--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/dma.h	Thu Aug 23 12:34:43 2007 +0000
@@ -0,0 +1,47 @@
+/**
+ * $Id: dma.h,v 1.1 2006-07-11 01:35:23 nkeynes Exp $
+ * 
+ * DMA support code
+ *
+ * Copyright (c) 2006 Nathan Keynes.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#include "lib.h"
+
+/**
+ * Setup the DMAC for a transfer. Assumes 32-byte block transfer.
+ * Caller is responsible for making sure no-one else is using the
+ * channel already. 
+ *
+ * @param channel DMA channel to use, 0 to 3
+ * @param source source address (if a memory source)
+ * @param dest   destination address (if a memory destination)
+ * @param length number of bytes to transfer (must be a multiple of
+ *               32.
+ * @param direction 0 = host to device, 1 = device to host
+ */
+void dmac_prepare_channel( int channel, uint32_t source, uint32_t dest,
+			   uint32_t length, int direction );
+
+/**
+ * Transfer data to the PVR via DMA. Target address should be
+ * 0x10000000 for the TA, and 0x11000000 + VRAM address for VRAM.
+ *
+ * @param target Target address
+ * @param buf    Data to write (must be 32-byte aligned)
+ * @param length Size of data to write, in bytes.
+ * @param region Target region for VRAM writes, 0 for 64-byte region, 1 for 32-byte region.
+ *
+ * @return 0 on success, non-zero on failure.
+ */
+int pvr_dma_write( unsigned int target, char *buf, int length, int region );