Cross Reference: /src/sys/arch/sparc/dev/sw.c

Lines Matching defs:dh
148 #define	SIDH_BUSY	0x01		/* This DH is in use */
480 	struct sw_dma_handle *dh;
517 	dh = &sc->sc_dma[i];
518 	dh->dh_flags = SIDH_BUSY;
519 	dh->dh_addr = (u_char *)addr;
520 	dh->dh_maplen  = xlen;
524 		dh->dh_flags |= SIDH_OUT;
532 	if (bus_dmamap_load(sc->sc_dmatag, dh->dh_dmamap,
536 		    __func__, addr, dh->dh_maplen);
537 		dh->dh_flags = 0;
540 	bus_dmamap_sync(sc->sc_dmatag, dh->dh_dmamap, addr, xlen,
541 			(dh->dh_flags & SIDH_OUT)
546 	sr->sr_dma_hand = dh;
555 	struct sw_dma_handle *dh = sr->sr_dma_hand;
558 	if (dh == NULL)
565 	if (dh->dh_flags & SIDH_BUSY) {
567 		bus_dmamap_sync(sc->sc_dmatag, dh->dh_dmamap,
568 				dh->dh_dvma, dh->dh_maplen,
569 				(dh->dh_flags & SIDH_OUT)
572 		bus_dmamap_unload(sc->sc_dmatag, dh->dh_dmamap);
573 		dh->dh_flags = 0;
689 	struct sw_dma_handle *dh = sr->sr_dma_hand;
698 	dva = (u_long)(dh->dh_dvma);
708 		printf("%s: dh=%p, dva=0x%lx, xlen=%d\n",
709 		    __func__, dh, dva, xlen);
715 	 * Note that (dh->dh_len < sc_datalen)
720 	if (dh->dh_flags & SIDH_OUT) {
743 	dh->dh_startingpa = (dva | 0xF00000);
744 	SWREG_WRITE(ncr_sc, SWREG_DMA_ADDR, (u_int)(dh->dh_startingpa + adj));
751 	if (dh->dh_flags & SIDH_OUT) {
755 			    adj, dh->dh_addr);
770 			    adj, dh->dh_addr);
823 	struct sw_dma_handle *dh = sr->sr_dma_hand;
878 	ntrans = (dva - dh->dh_startingpa);
899 	if ((dh->dh_flags & SIDH_OUT) == 0) {
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