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intel_mid_dma: change the slave interface

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In 2.6.36 kernel, dma slave control command was introduced,
this patch changes the intel-mid-dma driver to this
new kernel slave interface

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Koul, Vinod
2010-10-04 10:38:43 +00:00
committed by Dan Williams
parent 8b6492231d
commit 20dd63900d
3 changed files with 53 additions and 39 deletions
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15
include/linux/intel_mid_dma.h
View File

@ -28,14 +28,6 @@
#include <linux/dmaengine.h>
#define DMA_PREP_CIRCULAR_LIST (1 << 10)
/*DMA transaction width, src and dstn width would be same
The DMA length must be width aligned,
for 32 bit width the length must be 32 bit (4bytes) aligned only*/
enum intel_mid_dma_width {
LNW_DMA_WIDTH_8BIT = 0x0,
LNW_DMA_WIDTH_16BIT = 0x1,
LNW_DMA_WIDTH_32BIT = 0x2,
};
/*DMA mode configurations*/
enum intel_mid_dma_mode {
@ -75,15 +67,10 @@ enum intel_mid_dma_msize {
* peripheral device connected to single DMAC
*/
struct intel_mid_dma_slave {
enum dma_data_direction dirn;
enum intel_mid_dma_width src_width; /*width of DMA src txn*/
enum intel_mid_dma_width dst_width; /*width of DMA dst txn*/
enum intel_mid_dma_hs_mode hs_mode; /*handshaking*/
enum intel_mid_dma_mode cfg_mode; /*mode configuration*/
enum intel_mid_dma_msize src_msize; /*size if src burst*/
enum intel_mid_dma_msize dst_msize; /*size of dst burst*/
dma_addr_t per_addr; /*Peripheral address*/
unsigned int device_instance; /*0, 1 for periphral instance*/
struct dma_slave_config dma_slave;
};
#endif /*__INTEL_MID_DMA_H__*/