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-rw-r--r--include/linux/pch_dma.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/pch_dma.h b/include/linux/pch_dma.h
new file mode 100644
index 000000000..d5a6a4b6b
--- /dev/null
+++ b/include/linux/pch_dma.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2010 Intel Corporation
+ */
+
+#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