134 	uint8_t				index;  member
184 	u_int index;  in a31dmac_attach()  local
247 	for (index = 0; index < sc->nchans; index++) {  in a31dmac_attach()
248 		sc->chans[index].sc = sc;  in a31dmac_attach()
249 		sc->chans[index].index = index;  in a31dmac_attach()
250 		sc->chans[index].callback = NULL;  in a31dmac_attach()
251 		sc->chans[index].callbackarg = NULL;  in a31dmac_attach()
254 		    (void **)&sc->chans[index].desc,  in a31dmac_attach()
256 		    &sc->chans[index].dmamap);  in a31dmac_attach()
261 		error = bus_dmamap_load(sc->dmat, sc->chans[index].dmamap,   in a31dmac_attach()
262 		    sc->chans[index].desc, sizeof(*sc->chans[index].desc),  in a31dmac_attach()
263 		    a31dmac_dmamap_cb, &sc->chans[index], BUS_DMA_WAITOK);  in a31dmac_attach()
269 		DMA_WRITE(sc, DMA_EN_REG(index), 0);  in a31dmac_attach()
285 	for (index = 0; index < sc->nchans; index++)  in a31dmac_attach()
286 		if (sc->chans[index].desc != NULL) {  in a31dmac_attach()
287 			bus_dmamap_unload(sc->dmat, sc->chans[index].dmamap);  in a31dmac_attach()
288 			bus_dmamem_free(sc->dmat, sc->chans[index].desc,  in a31dmac_attach()
289 			    sc->chans[index].dmamap);  in a31dmac_attach()
322 	u_int index;  in a31dmac_intr()  local
340 		index = (bit - 1) / 4;  in a31dmac_intr()
342 		if (index >= sc->nchans)  in a31dmac_intr()
344 		if (sc->chans[index].callback == NULL)  in a31dmac_intr()
346 		sc->chans[index].callback(sc->chans[index].callbackarg);  in a31dmac_intr()
452 	u_int index;  in a31dmac_alloc()  local
458 	for (index = 0; index < sc->nchans; index++) {  in a31dmac_alloc()
459 		if (sc->chans[index].callback == NULL) {  in a31dmac_alloc()
460 			ch = &sc->chans[index];  in a31dmac_alloc()
464 			irqen = DMA_READ(sc, DMA_IRQ_EN_REG(index));  in a31dmac_alloc()
465 			irqen |= DMA_PKG_IRQ_EN(index);  in a31dmac_alloc()
466 			DMA_WRITE(sc, DMA_IRQ_EN_REG(index), irqen);  in a31dmac_alloc()
481 	u_int index;  in a31dmac_free()  local
485 	index = ch->index;  in a31dmac_free()
489 	irqen = DMA_READ(sc, DMA_IRQ_EN_REG(index));  in a31dmac_free()
490 	irqen &= ~DMA_PKG_IRQ_EN(index);  in a31dmac_free()
491 	DMA_WRITE(sc, DMA_IRQ_EN_REG(index), irqen);  in a31dmac_free()
492 	DMA_WRITE(sc, DMA_IRQ_PEND_REG(index), DMA_PKG_IRQ_EN(index));  in a31dmac_free()
515 	DMA_WRITE(sc, DMA_STAR_ADDR_REG(ch->index), (uint32_t)ch->physaddr);  in a31dmac_transfer()
516 	DMA_WRITE(sc, DMA_EN_REG(ch->index), DMA_EN);  in a31dmac_transfer()
530 	DMA_WRITE(sc, DMA_EN_REG(ch->index), 0);  in a31dmac_halt()