dma/sh/rcar-dmac.c

190  * @engine: base DMA engine object
200 	struct dma_device engine;
212 #define to_rcar_dmac(d)		container_of(d, struct rcar_dmac, engine)
1051  * DMA engine operations
1792 	 * Initialize the DMA engine channel and add it to the DMA engine
1795 	chan->device = &dmac->engine;
1798 	list_add_tail(&chan->device_node, &dmac->engine.channels);
1855 	struct dma_device *engine;
1935 	/* Initialize engine */
1936 	engine = &dmac->engine;
1938 	dma_cap_set(DMA_MEMCPY, engine->cap_mask);
1939 	dma_cap_set(DMA_SLAVE, engine->cap_mask);
1941 	engine->dev		= &pdev->dev;
1942 	engine->copy_align	= ilog2(RCAR_DMAC_MEMCPY_XFER_SIZE);
1944 	engine->src_addr_widths	= widths;
1945 	engine->dst_addr_widths	= widths;
1946 	engine->directions	= BIT(DMA_MEM_TO_DEV) | BIT(DMA_DEV_TO_MEM);
1947 	engine->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
1949 	engine->device_alloc_chan_resources	= rcar_dmac_alloc_chan_resources;
1950 	engine->device_free_chan_resources	= rcar_dmac_free_chan_resources;
1951 	engine->device_prep_dma_memcpy		= rcar_dmac_prep_dma_memcpy;
1952 	engine->device_prep_slave_sg		= rcar_dmac_prep_slave_sg;
1953 	engine->device_prep_dma_cyclic		= rcar_dmac_prep_dma_cyclic;
1954 	engine->device_config			= rcar_dmac_device_config;
1955 	engine->device_pause			= rcar_dmac_chan_pause;
1956 	engine->device_terminate_all		= rcar_dmac_chan_terminate_all;
1957 	engine->device_tx_status		= rcar_dmac_tx_status;
1958 	engine->device_issue_pending		= rcar_dmac_issue_pending;
1959 	engine->device_synchronize		= rcar_dmac_device_synchronize;
1961 	INIT_LIST_HEAD(&engine->channels);
1976 	 * Register the DMA engine device.
1980 	ret = dma_async_device_register(engine);
1998 	dma_async_device_unregister(&dmac->engine);