dev/cx/if_cx.c

583 cx_bus_dma_mem_alloc (int bnum, int cnum, cx_dma_mem_t *dmem)
588 		BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
589 		dmem->size, 0, NULL, NULL, &dmem->dmat);
596 	error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
597 		BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
602 		bus_dma_tag_destroy (dmem->dmat);
605 	error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
606 		dmem->size, cx_bus_dmamap_addr, &dmem->phys, 0);
611 		bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
612 		bus_dma_tag_destroy (dmem->dmat);
619 cx_bus_dma_mem_free (cx_dma_mem_t *dmem)
621 	bus_dmamap_unload (dmem->dmat, dmem->mapp);
622 	bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
623 	bus_dma_tag_destroy (dmem->dmat);