diff options
author | Vinod Koul <vinod.koul@linux.intel.com> | 2011-11-17 04:24:38 -0500 |
---|---|---|
committer | Vinod Koul <vinod.koul@linux.intel.com> | 2011-11-17 04:24:57 -0500 |
commit | e0d23ef29ed637dc6bd739f590985746d9ad9caa (patch) | |
tree | c5b5856dc88582697997bb10ccacad6fc2535465 /include/linux/dmaengine.h | |
parent | ca7fe2db892dcf91b2c72ee352eda4ff867903a7 (diff) | |
parent | 55ba4e5ed4ac57b60fe56acfd324f6a87123cc34 (diff) |
Merge branch 'dma_slave_direction' into next_test_dirn
resolved conflicts:
drivers/media/video/mx3_camera.c
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r-- | include/linux/dmaengine.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 75f53f874b24..a865b3a354cd 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h | |||
@@ -23,7 +23,6 @@ | |||
23 | 23 | ||
24 | #include <linux/device.h> | 24 | #include <linux/device.h> |
25 | #include <linux/uio.h> | 25 | #include <linux/uio.h> |
26 | #include <linux/dma-direction.h> | ||
27 | #include <linux/scatterlist.h> | 26 | #include <linux/scatterlist.h> |
28 | #include <linux/bitmap.h> | 27 | #include <linux/bitmap.h> |
29 | #include <asm/page.h> | 28 | #include <asm/page.h> |
@@ -77,6 +76,19 @@ enum dma_transaction_type { | |||
77 | /* last transaction type for creation of the capabilities mask */ | 76 | /* last transaction type for creation of the capabilities mask */ |
78 | #define DMA_TX_TYPE_END (DMA_CYCLIC + 1) | 77 | #define DMA_TX_TYPE_END (DMA_CYCLIC + 1) |
79 | 78 | ||
79 | /** | ||
80 | * enum dma_transfer_direction - dma transfer mode and direction indicator | ||
81 | * @DMA_MEM_TO_MEM: Async/Memcpy mode | ||
82 | * @DMA_MEM_TO_DEV: Slave mode & From Memory to Device | ||
83 | * @DMA_DEV_TO_MEM: Slave mode & From Device to Memory | ||
84 | * @DMA_DEV_TO_DEV: Slave mode & From Device to Device | ||
85 | */ | ||
86 | enum dma_transfer_direction { | ||
87 | DMA_MEM_TO_MEM, | ||
88 | DMA_MEM_TO_DEV, | ||
89 | DMA_DEV_TO_MEM, | ||
90 | DMA_DEV_TO_DEV, | ||
91 | }; | ||
80 | 92 | ||
81 | /** | 93 | /** |
82 | * enum dma_ctrl_flags - DMA flags to augment operation preparation, | 94 | * enum dma_ctrl_flags - DMA flags to augment operation preparation, |
@@ -269,7 +281,7 @@ enum dma_slave_buswidth { | |||
269 | * struct, if applicable. | 281 | * struct, if applicable. |
270 | */ | 282 | */ |
271 | struct dma_slave_config { | 283 | struct dma_slave_config { |
272 | enum dma_data_direction direction; | 284 | enum dma_transfer_direction direction; |
273 | dma_addr_t src_addr; | 285 | dma_addr_t src_addr; |
274 | dma_addr_t dst_addr; | 286 | dma_addr_t dst_addr; |
275 | enum dma_slave_buswidth src_addr_width; | 287 | enum dma_slave_buswidth src_addr_width; |
@@ -492,11 +504,11 @@ struct dma_device { | |||
492 | 504 | ||
493 | struct dma_async_tx_descriptor *(*device_prep_slave_sg)( | 505 | struct dma_async_tx_descriptor *(*device_prep_slave_sg)( |
494 | struct dma_chan *chan, struct scatterlist *sgl, | 506 | struct dma_chan *chan, struct scatterlist *sgl, |
495 | unsigned int sg_len, enum dma_data_direction direction, | 507 | unsigned int sg_len, enum dma_transfer_direction direction, |
496 | unsigned long flags); | 508 | unsigned long flags); |
497 | struct dma_async_tx_descriptor *(*device_prep_dma_cyclic)( | 509 | struct dma_async_tx_descriptor *(*device_prep_dma_cyclic)( |
498 | struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, | 510 | struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, |
499 | size_t period_len, enum dma_data_direction direction); | 511 | size_t period_len, enum dma_transfer_direction direction); |
500 | int (*device_control)(struct dma_chan *chan, enum dma_ctrl_cmd cmd, | 512 | int (*device_control)(struct dma_chan *chan, enum dma_ctrl_cmd cmd, |
501 | unsigned long arg); | 513 | unsigned long arg); |
502 | 514 | ||
@@ -522,7 +534,7 @@ static inline int dmaengine_slave_config(struct dma_chan *chan, | |||
522 | 534 | ||
523 | static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single( | 535 | static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single( |
524 | struct dma_chan *chan, void *buf, size_t len, | 536 | struct dma_chan *chan, void *buf, size_t len, |
525 | enum dma_data_direction dir, unsigned long flags) | 537 | enum dma_transfer_direction dir, unsigned long flags) |
526 | { | 538 | { |
527 | struct scatterlist sg; | 539 | struct scatterlist sg; |
528 | sg_init_one(&sg, buf, len); | 540 | sg_init_one(&sg, buf, len); |