* @return zero on success, or -ve error code.
*/
int dma_send(struct dma *dma, void *src, size_t len, void *metadata);
+
+/**
+ * dma_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
+ * @cfg_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 dma_get_cfg(struct dma *dma, u32 cfg_id, void **cfg_data);
#endif /* CONFIG_DMA_CHANNELS */
+#if CONFIG_IS_ENABLED(DMA)
/*
* dma_get_device - get a DMA device which supports transfer
* type of transfer_type
transferred and on failure return error code.
*/
int dma_memcpy(void *dst, void *src, size_t len);
+#else
+static inline int dma_get_device(u32 transfer_type, struct udevice **devp)
+{
+ return -ENOSYS;
+}
+static inline int dma_memcpy(void *dst, void *src, size_t len)
+{
+ return -ENOSYS;
+}
+#endif /* CONFIG_DMA */
#endif /* _DMA_H_ */