xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dmaengine: dw: split dma-dw.h to platform and private parts

Browse Source 
The introduced include/linux/dma/dw.h is going to contain the private
extensions and structures which are shared for dw_dmac users in the kernel.
Meanwhile include/linux/platform_data/dma-dw.h keeps only platform related data
types and definitions.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Andy Shevchenko
2014-09-23 17:18:11 +03:00
committed by Vinod Koul
parent 46e8c83c83
commit 3d588f83e4
5 changed files with 47 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
include/linux/platform_data/dma-dw.h
View File

@@ -8,10 +8,10 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef DW_DMAC_H
#define DW_DMAC_H
#ifndef _PLATFORM_DATA_DMA_DW_H
#define _PLATFORM_DATA_DMA_DW_H
#include <linux/dmaengine.h>
#include <linux/device.h>
/**
* struct dw_dma_slave - Controller-specific information about a slave
@@ -56,23 +56,4 @@ struct dw_dma_platform_data {
unsigned char data_width[4];
};
/* DMA API extensions */
struct dw_cyclic_desc {
struct dw_desc **desc;
unsigned long periods;
void (*period_callback)(void *param);
void *period_callback_param;
};
struct dw_cyclic_desc *dw_dma_cyclic_prep(struct dma_chan *chan,
dma_addr_t buf_addr, size_t buf_len, size_t period_len,
enum dma_transfer_direction direction);
void dw_dma_cyclic_free(struct dma_chan *chan);
int dw_dma_cyclic_start(struct dma_chan *chan);
void dw_dma_cyclic_stop(struct dma_chan *chan);
dma_addr_t dw_dma_get_src_addr(struct dma_chan *chan);
dma_addr_t dw_dma_get_dst_addr(struct dma_chan *chan);
#endif /* DW_DMAC_H */
#endif /* _PLATFORM_DATA_DMA_DW_H */