445 	struct auixp_dma *dma;  in auixp_malloc()  local
451 	dma = kmem_alloc(sizeof(*dma), KM_SLEEP);  in auixp_malloc()
454 	error = auixp_allocmem(sc, size, 16, dma);  in auixp_malloc()
456 		kmem_free(dma, sizeof(*dma));  in auixp_malloc()
461 	SLIST_INSERT_HEAD(&sc->sc_dma_list, dma, dma_chain);  in auixp_malloc()
464 	    "in %d segs\n", KERNADDR(dma), (uint32_t) DMAADDR(dma), dma->size,  in auixp_malloc()
465 	    dma->nsegs)  in auixp_malloc()
468 	return KERNADDR(dma);  in auixp_malloc()
481 	struct auixp_dma *dma;  in auixp_free()  local
485 	SLIST_FOREACH(dma, &sc->sc_dma_list, dma_chain) {  in auixp_free()
486 		if (KERNADDR(dma) == addr) {  in auixp_free()
487 			SLIST_REMOVE(&sc->sc_dma_list, dma, auixp_dma,  in auixp_free()
489 			auixp_freemem(sc, dma);  in auixp_free()
490 			kmem_free(dma, sizeof(*dma));  in auixp_free()
619 	struct auixp_dma *dma;  in auixp_allocate_dma_chain()  local
624 	dma = kmem_zalloc(sizeof(struct auixp_dma), KM_SLEEP);  in auixp_allocate_dma_chain()
628 	    16, dma);  in auixp_allocate_dma_chain()
631 		kmem_free(dma, sizeof(*dma));  in auixp_allocate_dma_chain()
636 	dma->intr    = NULL;  in auixp_allocate_dma_chain()
637 	dma->intrarg = NULL;  in auixp_allocate_dma_chain()
639 	*dmap = dma;  in auixp_allocate_dma_chain()
646 auixp_program_dma_chain(struct auixp_softc *sc, struct auixp_dma *dma)  in auixp_program_dma_chain()  argument
656 	value = DMAADDR(dma);  in auixp_program_dma_chain()
660 	bus_space_write_4(iot, ioh, dma->linkptr, 0);  in auixp_program_dma_chain()
663 	auixp_disable_dma(sc, dma);  in auixp_program_dma_chain()
664 	auixp_enable_dma(sc, dma);  in auixp_program_dma_chain()
667 	bus_space_write_4(iot, ioh, dma->linkptr, value);  in auixp_program_dma_chain()
673 auixp_dma_update(struct auixp_softc *sc, struct auixp_dma *dma)  in auixp_dma_update()  argument
677 	if (!dma)  in auixp_dma_update()
679 	if (!dma->intr)  in auixp_dma_update()
683 	(*dma->intr)(dma->intrarg);  in auixp_dma_update()
780 	struct auixp_dma   *dma;  in auixp_halt_output()  local
784 	dma = sc->sc_output_dma;  in auixp_halt_output()
785 	auixp_disable_dma(sc, dma);  in auixp_halt_output()
787 	dma->running = 0;  in auixp_halt_output()
855 	struct auixp_dma   *dma;  in auixp_halt_input()  local
859 	dma = sc->sc_input_dma;  in auixp_halt_input()
860 	auixp_disable_dma(sc, dma);  in auixp_halt_input()
862 	dma->running = 0;  in auixp_halt_input()
947 	       size_t align, struct auixp_dma *dma)  in auixp_allocmem()  argument
952 	dma->size = size;  in auixp_allocmem()
955 	error = bus_dmamem_alloc(sc->sc_dmat, dma->size, align, 0,  in auixp_allocmem()
956 	    dma->segs, sizeof(dma->segs) / sizeof(dma->segs[0]), &dma->nsegs,  in auixp_allocmem()
965 	error = bus_dmamem_map(sc->sc_dmat, dma->segs, dma->nsegs, dma->size,  in auixp_allocmem()
966 				&dma->addr, BUS_DMA_WAITOK | BUS_DMA_COHERENT);  in auixp_allocmem()
971 	error = bus_dmamap_create(sc->sc_dmat, dma->size, 1, dma->size, 0,  in auixp_allocmem()
972 				  BUS_DMA_WAITOK, &dma->map);  in auixp_allocmem()
980 	error = bus_dmamap_load(sc->sc_dmat, dma->map, dma->addr, dma->size, NULL,  in auixp_allocmem()
988 	bus_dmamap_destroy(sc->sc_dmat, dma->map);  in auixp_allocmem()
990 	bus_dmamem_unmap(sc->sc_dmat, dma->addr, dma->size);  in auixp_allocmem()
992 	bus_dmamem_free(sc->sc_dmat, dma->segs, dma->nsegs);  in auixp_allocmem()
1562 auixp_disable_dma(struct auixp_softc *sc, struct auixp_dma *dma)  in auixp_disable_dma()  argument
1572 	if (value & dma->dma_enable_bit) {  in auixp_disable_dma()
1573 		value &= ~dma->dma_enable_bit;  in auixp_disable_dma()
1580 auixp_enable_dma(struct auixp_softc *sc, struct auixp_dma *dma)  in auixp_enable_dma()  argument
1590 	if (!(value & dma->dma_enable_bit)) {  in auixp_enable_dma()
1591 		value |= dma->dma_enable_bit;  in auixp_enable_dma()