Cross Reference: /src/sys/arch/evbppc/nintendo/dev/bwdsp.c

Lines Matching refs:dma
96     size_t align, struct bwdsp_dma *dma)
100 	dma->dma_size = size;
101 	error = bus_dmamem_alloc(sc->sc_dmat, dma->dma_size, align, 0,
102 	    dma->dma_segs, 1, &dma->dma_nsegs, BUS_DMA_WAITOK);
106 	error = bus_dmamem_map(sc->sc_dmat, dma->dma_segs, dma->dma_nsegs,
107 	    dma->dma_size, &dma->dma_addr, BUS_DMA_WAITOK | BWDSP_MAP_FLAGS);
111 	error = bus_dmamap_create(sc->sc_dmat, dma->dma_size, dma->dma_nsegs,
112 	    dma->dma_size, 0, BUS_DMA_WAITOK, &dma->dma_map);
116 	error = bus_dmamap_load(sc->sc_dmat, dma->dma_map, dma->dma_addr,
117 	    dma->dma_size, NULL, BUS_DMA_WAITOK);
124 	bus_dmamap_destroy(sc->sc_dmat, dma->dma_map);
126 	bus_dmamem_unmap(sc->sc_dmat, dma->dma_addr, dma->dma_size);
128 	bus_dmamem_free(sc->sc_dmat, dma->dma_segs, dma->dma_nsegs);
134 bwdsp_freedma(struct bwdsp_softc *sc, struct bwdsp_dma *dma)
136 	bus_dmamap_unload(sc->sc_dmat, dma->dma_map);
137 	bus_dmamap_destroy(sc->sc_dmat, dma->dma_map);
138 	bus_dmamem_unmap(sc->sc_dmat, dma->dma_addr, dma->dma_size);
139 	bus_dmamem_free(sc->sc_dmat, dma->dma_segs, dma->dma_nsegs);
189 	struct bwdsp_dma *dma;
192 	dma = kmem_alloc(sizeof(*dma), KM_SLEEP);
194 	error = bwdsp_allocdma(sc, size, DSP_DMA_ALIGN, dma);
196 		kmem_free(dma, sizeof(*dma));
202 	LIST_INSERT_HEAD(&sc->sc_dmalist, dma, dma_list);
204 	return dma->dma_addr;
211 	struct bwdsp_dma *dma;
213 	LIST_FOREACH(dma, &sc->sc_dmalist, dma_list)
214 		if (dma->dma_addr == addr) {
215 			bwdsp_freedma(sc, dma);
216 			LIST_REMOVE(dma, dma_list);
217 			kmem_free(dma, sizeof(*dma));
280 	struct bwdsp_dma *dma;
288 	LIST_FOREACH(dma, &sc->sc_dmalist, dma_list)
289 		if (dma->dma_addr == start) {
290 			pstart = dma->dma_map->dm_segs[0].ds_addr;