Cross Reference: /src/sys/arch/arm/sunxi/sunxi

Lines Matching refs:dma
107     size_t align, struct sunxi_codec_dma *dma)
111 	dma->dma_size = size;
112 	error = bus_dmamem_alloc(sc->sc_dmat, dma->dma_size, align, 0,
113 	    dma->dma_segs, 1, &dma->dma_nsegs, BUS_DMA_WAITOK);
117 	error = bus_dmamem_map(sc->sc_dmat, dma->dma_segs, dma->dma_nsegs,
118 	    dma->dma_size, &dma->dma_addr, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
122 	error = bus_dmamap_create(sc->sc_dmat, dma->dma_size, dma->dma_nsegs,
123 	    dma->dma_size, 0, BUS_DMA_WAITOK, &dma->dma_map);
127 	error = bus_dmamap_load(sc->sc_dmat, dma->dma_map, dma->dma_addr,
128 	    dma->dma_size, NULL, BUS_DMA_WAITOK);
135 	bus_dmamap_destroy(sc->sc_dmat, dma->dma_map);
137 	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);
145 sunxi_codec_freedma(struct sunxi_codec_softc *sc, struct sunxi_codec_dma *dma)
147 	bus_dmamap_unload(sc->sc_dmat, dma->dma_map);
148 	bus_dmamap_destroy(sc->sc_dmat, dma->dma_map);
149 	bus_dmamem_unmap(sc->sc_dmat, dma->dma_addr, dma->dma_size);
150 	bus_dmamem_free(sc->sc_dmat, dma->dma_segs, dma->dma_nsegs);
211 	struct sunxi_codec_dma *dma;
214 	dma = kmem_alloc(sizeof(*dma), KM_SLEEP);
216 	error = sunxi_codec_allocdma(sc, size, 16, dma);
218 		kmem_free(dma, sizeof(*dma));
219 		device_printf(sc->sc_dev, "couldn't allocate DMA memory (%d)\n",
224 	LIST_INSERT_HEAD(&sc->sc_dmalist, dma, dma_list);
226 	return dma->dma_addr;
233 	struct sunxi_codec_dma *dma;
235 	LIST_FOREACH(dma, &sc->sc_dmalist, dma_list)
236 		if (dma->dma_addr == addr) {
237 			sunxi_codec_freedma(sc, dma);
238 			LIST_REMOVE(dma, dma_list);
239 			kmem_free(dma, sizeof(*dma));
271 	struct sunxi_codec_dma *dma;
280 	LIST_FOREACH(dma, &sc->sc_dmalist, dma_list)
281 		if (dma->dma_addr == start) {
282 			pstart = dma->dma_map->dm_segs[0].ds_addr;
319 	/* Start DMA transfer */
323 		    "failed to start DMA transfer: %d\n", error);
336 	struct sunxi_codec_dma *dma;
345 	LIST_FOREACH(dma, &sc->sc_dmalist, dma_list)
346 		if (dma->dma_addr == start) {
347 			pstart = dma->dma_map->dm_segs[0].ds_addr;
383 	/* Start DMA transfer */
387 		    "failed to start DMA transfer: %d\n", error);
401 	/* Disable DMA channel */
441 	/* Disable DMA channel */
503 		aprint_error(": couldn't get dma channel \"%s\"\n", dmaname);
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