-#define AT_XDMAC_DMA_BUSWIDTHS\
- (BIT(DMA_SLAVE_BUSWIDTH_UNDEFINED) |\
- BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |\
- BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |\
- BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) |\
- BIT(DMA_SLAVE_BUSWIDTH_8_BYTES))
-
-static int at_xdmac_device_slave_caps(struct dma_chan *dchan,
- struct dma_slave_caps *caps)
-{
-
- caps->src_addr_widths = AT_XDMAC_DMA_BUSWIDTHS;
- caps->dst_addr_widths = AT_XDMAC_DMA_BUSWIDTHS;
- caps->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
- caps->cmd_pause = true;
- caps->cmd_terminate = true;
- caps->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
-
- return 0;
-}
-