diff options
Diffstat (limited to 'include/dma-uclass.h')
| -rw-r--r-- | include/dma-uclass.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/dma-uclass.h b/include/dma-uclass.h index 31b43fb..a1d9d26 100644 --- a/include/dma-uclass.h +++ b/include/dma-uclass.h @@ -108,6 +108,17 @@ struct dma_ops { * @return zero on success, or -ve error code. */ int (*send)(struct dma *dma, void *src, size_t len, void *metadata); + /** + * get_cfg() - Get DMA channel configuration for client's use + * + * @dma: The DMA Channel to manipulate + * @cfg_id: DMA provider specific ID to identify what + * configuration data client needs + * @data: Pointer to store pointer to DMA driver specific + * configuration data for the given cfg_id (output param) + * @return zero on success, or -ve error code. + */ + int (*get_cfg)(struct dma *dma, u32 cfg_id, void **data); #endif /* CONFIG_DMA_CHANNELS */ /** * transfer() - Issue a DMA transfer. The implementation must |