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-rw-r--r--include/linux/dw_dmac.h7
-rw-r--r--include/linux/edma.h29
-rw-r--r--include/linux/platform_data/mmp_dma.h19
3 files changed, 55 insertions, 0 deletions
diff --git a/include/linux/dw_dmac.h b/include/linux/dw_dmac.h
index 2412e02d7c0f..e1c8c9e919ac 100644
--- a/include/linux/dw_dmac.h
+++ b/include/linux/dw_dmac.h
@@ -19,6 +19,10 @@
* @nr_channels: Number of channels supported by hardware (max 8)
* @is_private: The device channels should be marked as private and not for
* by the general purpose DMA channel allocator.
+ * @block_size: Maximum block size supported by the controller
+ * @nr_masters: Number of AHB masters supported by the controller
+ * @data_width: Maximum data width supported by hardware per AHB master
+ * (0 - 8bits, 1 - 16bits, ..., 5 - 256bits)
*/
struct dw_dma_platform_data {
unsigned int nr_channels;
@@ -29,6 +33,9 @@ struct dw_dma_platform_data {
#define CHAN_PRIORITY_ASCENDING 0 /* chan0 highest */
#define CHAN_PRIORITY_DESCENDING 1 /* chan7 highest */
unsigned char chan_priority;
+ unsigned short block_size;
+ unsigned char nr_masters;
+ unsigned char data_width[4];
};
/* bursts size */
diff --git a/include/linux/edma.h b/include/linux/edma.h
new file mode 100644
index 000000000000..a1307e7827e8
--- /dev/null
+++ b/include/linux/edma.h
@@ -0,0 +1,29 @@
+/*
+ * TI EDMA DMA engine driver
+ *
+ * Copyright 2012 Texas Instruments
+ *
+ * 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 version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#ifndef __LINUX_EDMA_H
+#define __LINUX_EDMA_H
+
+struct dma_chan;
+
+#if defined(CONFIG_TI_EDMA) || defined(CONFIG_TI_EDMA_MODULE)
+bool edma_filter_fn(struct dma_chan *, void *);
+#else
+static inline bool edma_filter_fn(struct dma_chan *chan, void *param)
+{
+ return false;
+}
+#endif
+
+#endif
diff --git a/include/linux/platform_data/mmp_dma.h b/include/linux/platform_data/mmp_dma.h
new file mode 100644
index 000000000000..2a330ec9e2af
--- /dev/null
+++ b/include/linux/platform_data/mmp_dma.h
@@ -0,0 +1,19 @@
+/*
+ * MMP Platform DMA Management
+ *
+ * Copyright (c) 2011 Marvell Semiconductors Inc.
+ *
+ * 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.
+ *
+ */
+
+#ifndef MMP_DMA_H
+#define MMP_DMA_H
+
+struct mmp_dma_platdata {
+ int dma_channels;
+};
+
+#endif /* MMP_DMA_H */