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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 @@
19 * @nr_channels: Number of channels supported by hardware (max 8) 19 * @nr_channels: Number of channels supported by hardware (max 8)
20 * @is_private: The device channels should be marked as private and not for 20 * @is_private: The device channels should be marked as private and not for
21 * by the general purpose DMA channel allocator. 21 * by the general purpose DMA channel allocator.
22 * @block_size: Maximum block size supported by the controller
23 * @nr_masters: Number of AHB masters supported by the controller
24 * @data_width: Maximum data width supported by hardware per AHB master
25 * (0 - 8bits, 1 - 16bits, ..., 5 - 256bits)
22 */ 26 */
23struct dw_dma_platform_data { 27struct dw_dma_platform_data {
24 unsigned int nr_channels; 28 unsigned int nr_channels;
@@ -29,6 +33,9 @@ struct dw_dma_platform_data {
29#define CHAN_PRIORITY_ASCENDING 0 /* chan0 highest */ 33#define CHAN_PRIORITY_ASCENDING 0 /* chan0 highest */
30#define CHAN_PRIORITY_DESCENDING 1 /* chan7 highest */ 34#define CHAN_PRIORITY_DESCENDING 1 /* chan7 highest */
31 unsigned char chan_priority; 35 unsigned char chan_priority;
36 unsigned short block_size;
37 unsigned char nr_masters;
38 unsigned char data_width[4];
32}; 39};
33 40
34/* bursts size */ 41/* 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 @@
1/*
2 * TI EDMA DMA engine driver
3 *
4 * Copyright 2012 Texas Instruments
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation version 2.
9 *
10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11 * kind, whether express or implied; without even the implied warranty
12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15#ifndef __LINUX_EDMA_H
16#define __LINUX_EDMA_H
17
18struct dma_chan;
19
20#if defined(CONFIG_TI_EDMA) || defined(CONFIG_TI_EDMA_MODULE)
21bool edma_filter_fn(struct dma_chan *, void *);
22#else
23static inline bool edma_filter_fn(struct dma_chan *chan, void *param)
24{
25 return false;
26}
27#endif
28
29#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 @@
1/*
2 * MMP Platform DMA Management
3 *
4 * Copyright (c) 2011 Marvell Semiconductors Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11
12#ifndef MMP_DMA_H
13#define MMP_DMA_H
14
15struct mmp_dma_platdata {
16 int dma_channels;
17};
18
19#endif /* MMP_DMA_H */