dmaengine: add CSR SiRFprimaII DMAC driver

Cc: Jassi Brar <jaswinder.singh@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rongjun Ying <rongjun.ying@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
[fixed direction enums and cyclic api based on changes
 already merged]
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

include/linux/sirfsoc_dma.h

diff --git a/include/linux/sirfsoc_dma.h b/include/linux/sirfsoc_dma.h
new file mode 100644
index 0000000..29d9593
--- /dev/null
+++ b/include/linux/sirfsoc_dma.h
@@ -0,0 +1,6 @@
+#ifndef _SIRFSOC_DMA_H_
+#define _SIRFSOC_DMA_H_
+
+bool sirfsoc_dma_filter_id(struct dma_chan *chan, void *chan_id);
+
+#endif