diff options
Diffstat (limited to 'include/linux/intel_mid_dma.h')
-rw-r--r-- | include/linux/intel_mid_dma.h | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/include/linux/intel_mid_dma.h b/include/linux/intel_mid_dma.h index d9d08b6269b6..10496bd24c5c 100644 --- a/include/linux/intel_mid_dma.h +++ b/include/linux/intel_mid_dma.h | |||
@@ -27,14 +27,7 @@ | |||
27 | 27 | ||
28 | #include <linux/dmaengine.h> | 28 | #include <linux/dmaengine.h> |
29 | 29 | ||
30 | /*DMA transaction width, src and dstn width would be same | 30 | #define DMA_PREP_CIRCULAR_LIST (1 << 10) |
31 | The DMA length must be width aligned, | ||
32 | for 32 bit width the length must be 32 bit (4bytes) aligned only*/ | ||
33 | enum intel_mid_dma_width { | ||
34 | LNW_DMA_WIDTH_8BIT = 0x0, | ||
35 | LNW_DMA_WIDTH_16BIT = 0x1, | ||
36 | LNW_DMA_WIDTH_32BIT = 0x2, | ||
37 | }; | ||
38 | 31 | ||
39 | /*DMA mode configurations*/ | 32 | /*DMA mode configurations*/ |
40 | enum intel_mid_dma_mode { | 33 | enum intel_mid_dma_mode { |
@@ -69,18 +62,15 @@ enum intel_mid_dma_msize { | |||
69 | * @cfg_mode: DMA data transfer mode (per-per/mem-per/mem-mem) | 62 | * @cfg_mode: DMA data transfer mode (per-per/mem-per/mem-mem) |
70 | * @src_msize: Source DMA burst size | 63 | * @src_msize: Source DMA burst size |
71 | * @dst_msize: Dst DMA burst size | 64 | * @dst_msize: Dst DMA burst size |
65 | * @per_addr: Periphral address | ||
72 | * @device_instance: DMA peripheral device instance, we can have multiple | 66 | * @device_instance: DMA peripheral device instance, we can have multiple |
73 | * peripheral device connected to single DMAC | 67 | * peripheral device connected to single DMAC |
74 | */ | 68 | */ |
75 | struct intel_mid_dma_slave { | 69 | struct intel_mid_dma_slave { |
76 | enum dma_data_direction dirn; | ||
77 | enum intel_mid_dma_width src_width; /*width of DMA src txn*/ | ||
78 | enum intel_mid_dma_width dst_width; /*width of DMA dst txn*/ | ||
79 | enum intel_mid_dma_hs_mode hs_mode; /*handshaking*/ | 70 | enum intel_mid_dma_hs_mode hs_mode; /*handshaking*/ |
80 | enum intel_mid_dma_mode cfg_mode; /*mode configuration*/ | 71 | enum intel_mid_dma_mode cfg_mode; /*mode configuration*/ |
81 | enum intel_mid_dma_msize src_msize; /*size if src burst*/ | ||
82 | enum intel_mid_dma_msize dst_msize; /*size of dst burst*/ | ||
83 | unsigned int device_instance; /*0, 1 for periphral instance*/ | 72 | unsigned int device_instance; /*0, 1 for periphral instance*/ |
73 | struct dma_slave_config dma_slave; | ||
84 | }; | 74 | }; |
85 | 75 | ||
86 | #endif /*__INTEL_MID_DMA_H__*/ | 76 | #endif /*__INTEL_MID_DMA_H__*/ |