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authorRajeev Kumar <rajeev-dlh.kumar@st.com>2012-06-21 15:54:52 +0530
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-06-22 10:27:29 +0100
commit241b446f30de171b627524c107ce03e5ecee0124 (patch)
tree90bf38a13cddbac68f6a25d744f2931803258fb4 /include/sound/spear_dma.h
parent3a9cf8efd7b64f26f1e0f02afb70382f90cc11ca (diff)
downloadlinux-241b446f30de171b627524c107ce03e5ecee0124.tar.bz2
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>
Diffstat (limited to 'include/sound/spear_dma.h')
-rw-r--r--include/sound/spear_dma.h35
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 000000000000..1b365bfdfb37
--- /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 */