Lines Matching refs:od
697 struct bcm2835_dmadev *od = to_bcm2835_dma_dev(chan->device);
750 if (buf_addr == od->zero_page && !c->is_lite_channel)
842 static void bcm2835_dma_free(struct bcm2835_dmadev *od)
846 list_for_each_entry_safe(c, next, &od->ddev.channels,
852 dma_unmap_page_attrs(od->ddev.dev, od->zero_page, PAGE_SIZE,
880 struct bcm2835_dmadev *od;
899 od = devm_kzalloc(&pdev->dev, sizeof(*od), GFP_KERNEL);
900 if (!od)
910 od->base = base;
912 dma_cap_set(DMA_SLAVE, od->ddev.cap_mask);
913 dma_cap_set(DMA_PRIVATE, od->ddev.cap_mask);
914 dma_cap_set(DMA_CYCLIC, od->ddev.cap_mask);
915 dma_cap_set(DMA_MEMCPY, od->ddev.cap_mask);
916 od->ddev.device_alloc_chan_resources = bcm2835_dma_alloc_chan_resources;
917 od->ddev.device_free_chan_resources = bcm2835_dma_free_chan_resources;
918 od->ddev.device_tx_status = bcm2835_dma_tx_status;
919 od->ddev.device_issue_pending = bcm2835_dma_issue_pending;
920 od->ddev.device_prep_dma_cyclic = bcm2835_dma_prep_dma_cyclic;
921 od->ddev.device_prep_slave_sg = bcm2835_dma_prep_slave_sg;
922 od->ddev.device_prep_dma_memcpy = bcm2835_dma_prep_dma_memcpy;
923 od->ddev.device_config = bcm2835_dma_slave_config;
924 od->ddev.device_terminate_all = bcm2835_dma_terminate_all;
925 od->ddev.device_synchronize = bcm2835_dma_synchronize;
926 od->ddev.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
927 od->ddev.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
928 od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV) |
930 od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
931 od->ddev.descriptor_reuse = true;
932 od->ddev.dev = &pdev->dev;
933 INIT_LIST_HEAD(&od->ddev.channels);
935 platform_set_drvdata(pdev, od);
937 od->zero_page = dma_map_page_attrs(od->ddev.dev, ZERO_PAGE(0), 0,
940 if (dma_mapping_error(od->ddev.dev, od->zero_page)) {
993 rc = bcm2835_dma_chan_init(od, i, irq[i], irq_flags);
1002 bcm2835_dma_xlate, od);
1008 rc = dma_async_device_register(&od->ddev);
1020 bcm2835_dma_free(od);
1026 struct bcm2835_dmadev *od = platform_get_drvdata(pdev);
1028 dma_async_device_unregister(&od->ddev);
1029 bcm2835_dma_free(od);