Lines Matching refs:dma
23 #include <linux/dma-mapping.h>
448 INIT_LIST_HEAD(&hsu->dma.channels);
453 vchan_init(&hsuc->vchan, &hsu->dma);
459 dma_cap_set(DMA_SLAVE, hsu->dma.cap_mask);
460 dma_cap_set(DMA_PRIVATE, hsu->dma.cap_mask);
462 hsu->dma.device_free_chan_resources = hsu_dma_free_chan_resources;
464 hsu->dma.device_prep_slave_sg = hsu_dma_prep_slave_sg;
466 hsu->dma.device_issue_pending = hsu_dma_issue_pending;
467 hsu->dma.device_tx_status = hsu_dma_tx_status;
469 hsu->dma.device_config = hsu_dma_slave_config;
470 hsu->dma.device_pause = hsu_dma_pause;
471 hsu->dma.device_resume = hsu_dma_resume;
472 hsu->dma.device_terminate_all = hsu_dma_terminate_all;
473 hsu->dma.device_synchronize = hsu_dma_synchronize;
475 hsu->dma.src_addr_widths = HSU_DMA_BUSWIDTHS;
476 hsu->dma.dst_addr_widths = HSU_DMA_BUSWIDTHS;
477 hsu->dma.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
478 hsu->dma.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
480 hsu->dma.dev = chip->dev;
482 dma_set_max_seg_size(hsu->dma.dev, HSU_CH_DxTSR_MASK);
484 ret = dma_async_device_register(&hsu->dma);
498 dma_async_device_unregister(&hsu->dma);