Cross Reference: /src/sys/arch/mac68k/dev/sbc.c

Lines Matching defs:dh
441 	struct sbc_pdma_handle *dh = sr->sr_dma_hand;
452 	if (sbc_ready(ncr_sc) || dh->dh_len == 0)
458 		    device_xname(ncr_sc->sc_dev), dh->dh_len, dh->dh_flags);
473 		if ((dh->dh_flags & SBC_DH_DONE) == 0) {
477 			if ((count < 0) || (count > dh->dh_len)) {
480 				    dh->dh_len);
484 			dh->dh_addr += count;
485 			dh->dh_len -= count;
492 			   device_xname(ncr_sc->sc_dev), count, dh->dh_len);
503 	if (dh->dh_flags & SBC_DH_OUT) { /* Data Out */
510 		    count = uimin(dh->dh_len, 4 - (((int)dh->dh_addr) & 0x3));
513 			data = (u_int8_t *)dh->dh_addr;
520 			dh->dh_addr += dcount;
521 			dh->dh_len -= dcount;
527 		while (dh->dh_len) {
530 			dcount = count = uimin(dh->dh_len, MAX_DMA_LEN);
532 			long_data = (u_int32_t *)dh->dh_addr;
550 			dh->dh_len -= dcount;
551 			dh->dh_addr += dcount;
553 		dh->dh_flags |= SBC_DH_DONE;
575 		    count = uimin(dh->dh_len, 4 - (((int)dh->dh_addr) & 0x3));
577 			data = (u_int8_t *)dh->dh_addr;
583 			dh->dh_addr += dcount;
584 			dh->dh_len -= dcount;
590 		while (dh->dh_len) {
591 			dcount = count = uimin(dh->dh_len, MAX_DMA_LEN);
592 			long_data = (u_int32_t *)dh->dh_addr;
610 			dh->dh_len -= dcount;
611 			dh->dh_addr += dcount;
613 		dh->dh_flags |= SBC_DH_DONE;
640 	struct sbc_pdma_handle *dh;
669 	dh = &sc->sc_pdma[i];
670 	dh->dh_flags = SBC_DH_BUSY;
671 	dh->dh_addr = ncr_sc->sc_dataptr;
672 	dh->dh_len = xlen;
676 		dh->dh_flags |= SBC_DH_OUT;
678 	sr->sr_dma_hand = dh;
685 	struct sbc_pdma_handle *dh = sr->sr_dma_hand;
695 	if (dh->dh_flags & SBC_DH_BUSY) {
696 		dh->dh_flags = 0;
697 		dh->dh_addr = NULL;
698 		dh->dh_len = 0;
733 	struct sbc_pdma_handle *dh = sr->sr_dma_hand;
739 	if (dh->dh_flags & SBC_DH_OUT) {
761 		    device_xname(ncr_sc->sc_dev), dh->dh_addr, dh->dh_len);
776 	struct sbc_pdma_handle *dh = sr->sr_dma_hand;
790 		ntrans = ncr_sc->sc_datalen - dh->dh_len;
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