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authorDavid S. Miller <davem@davemloft.net>2010-09-09 10:49:04 +0400
committerDavid S. Miller <davem@davemloft.net>2010-09-09 10:49:04 +0400
commite199e6136ce6b151e6638ae93dca60748424d900 (patch)
tree0d66e0b5d227c36b005e4f5537f4bbcfc6ed4904 /include/linux/pch_dma.h
parent972c40b5bee429c84ba727f8ac0a08292bc5dc3d (diff)
parentd56557af19867edb8c0e96f8e26399698a08857f (diff)
downloadlinux-e199e6136ce6b151e6638ae93dca60748424d900.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/pch_dma.h')
-rw-r--r--include/linux/pch_dma.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/pch_dma.h b/include/linux/pch_dma.h
new file mode 100644
index 000000000000..fdafe529ef8a
--- /dev/null
+++ b/include/linux/pch_dma.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2010 Intel Corporation
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef PCH_DMA_H
+#define PCH_DMA_H
+
+#include <linux/dmaengine.h>
+
+enum pch_dma_width {
+ PCH_DMA_WIDTH_1_BYTE,
+ PCH_DMA_WIDTH_2_BYTES,
+ PCH_DMA_WIDTH_4_BYTES,
+};
+
+struct pch_dma_slave {
+ struct device *dma_dev;
+ unsigned int chan_id;
+ dma_addr_t tx_reg;
+ dma_addr_t rx_reg;
+ enum pch_dma_width width;
+};
+
+#endif