ASoC: Add support for SPEAr ASoC pcm layer.

This patch add support for the SPEAr ASoC pcm layer in ASoC
framework. The pcm layer uses common snd_dmaengine framework.

Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/include/sound/spear_dma.h b/include/sound/spear_dma.h
new file mode 100644
index 0000000..1b365bf
--- /dev/null
+++ b/include/sound/spear_dma.h
@@ -0,0 +1,35 @@
+/*
+* linux/spear_dma.h
+*
+* Copyright (ST) 2012 Rajeev Kumar (rajeev-dlh.kumar@st.com)
+*
+* 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.
+*
+* 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 SPEAR_DMA_H
+#define SPEAR_DMA_H
+
+#include <linux/dmaengine.h>
+
+struct spear_dma_data {
+	void *data;
+	dma_addr_t addr;
+	u32 max_burst;
+	enum dma_slave_buswidth addr_width;
+	bool (*filter)(struct dma_chan *chan, void *slave);
+};
+
+#endif /* SPEAR_DMA_H */