sound/pci/via8233.c

384 via_buildsgdt(struct via_chinfo *ch)
389 	phys_addr = sndbuf_getbufaddr(ch->buffer);
391 	for (i = 0; i < ch->blkcnt; i++) {
392 		flag = (i == ch->blkcnt - 1) ? VIA_DMAOP_EOL : VIA_DMAOP_FLAG;
393 		ch->sgd_table[i].ptr = phys_addr + (i * ch->blksz);
394 		ch->sgd_table[i].flags = flag | ch->blksz;
406 	struct via_chinfo *ch = data;
407 	struct via_info *via = ch->parent;
425 	struct via_chinfo *ch = data;
426 	struct via_info *via = ch->parent;
429 	r = ch->rbase + VIA8233_RP_DXS_RATEFMT;
447 	struct via_chinfo *ch = data;
448 	struct via_info *via = ch->parent;
475 	struct via_chinfo *ch = data;
476 	struct via_info *via = ch->parent;
487 	struct via_chinfo *ch = data;
488 	struct via_info *via = ch->parent;
491 	r = ch->rbase + VIA8233_RP_DXS_RATEFMT;
507 	struct via_chinfo *ch = data;
508 	struct via_info *via = ch->parent;
522 	struct via_chinfo *ch = data;
523 	struct via_info *via = ch->parent;
534 	struct via_chinfo *ch = data;
535 	struct via_info *via = ch->parent;
551 	struct via_chinfo *ch = data;
552 	struct via_info *via = ch->parent;
567 	struct via_chinfo *ch = data;
568 	struct via_info *via = ch->parent;
572 	if (blksz > (sndbuf_getmaxsize(ch->buffer) / VIA_SEGS_MIN))
573 		blksz = sndbuf_getmaxsize(ch->buffer) / VIA_SEGS_MIN;
581 	while ((blksz * blkcnt) > sndbuf_getmaxsize(ch->buffer)) {
590 	if ((sndbuf_getblksz(ch->buffer) != blksz ||
591 	    sndbuf_getblkcnt(ch->buffer) != blkcnt) &&
592 	    sndbuf_resize(ch->buffer, blkcnt, blksz) != 0)
596 	ch->blksz = sndbuf_getblksz(ch->buffer);
597 	ch->blkcnt = sndbuf_getblkcnt(ch->buffer);
605 	struct via_chinfo *ch = data;
606 	struct via_info *via = ch->parent;
610 	return (ch->blksz);
616 	struct via_chinfo *ch = data;
617 	struct via_info *via = ch->parent;
622 		ptr = ch->ptr;
625 		v = via_rd(via, ch->rbase + VIA_RP_CURRENT_COUNT, 4);
629 		ptr = (index + 1) * ch->blksz - count;
630 		ptr %= ch->blkcnt * ch->blksz;	/* Wrap to available space */
637 via8233chan_reset(struct via_info *via, struct via_chinfo *ch)
639 	via_wr(via, ch->rbase + VIA_RP_CONTROL, SGD_CONTROL_STOP, 1);
640 	via_wr(via, ch->rbase + VIA_RP_CONTROL, 0x00, 1);
641 	via_wr(via, ch->rbase + VIA_RP_STATUS,
649 via8233chan_sgdinit(struct via_info *via, struct via_chinfo *ch, int chnum)
651 	ch->sgd_table = &via->sgd_table[chnum * VIA_SEGS_MAX];
652 	ch->sgd_addr = via->sgd_addr + chnum * VIA_SEGS_MAX *
661 	struct via_chinfo *ch;
666 	ch = &via->rch[num];
667 	ch->parent = via;
668 	ch->channel = c;
669 	ch->buffer = b;
670 	ch->dir = dir;
671 	ch->blkcnt = via->blkcnt;
672 	ch->rbase = VIA_WR_BASE(num);
673 	via_wr(via, ch->rbase + VIA_WR_RP_SGD_FORMAT, WR_FIFO_ENABLE, 1);
676 	if (sndbuf_alloc(ch->buffer, via->parent_dmat, 0, via->bufsz) != 0)
680 	via8233chan_sgdinit(via, ch, num);
681 	via8233chan_reset(via, ch);
684 	return (ch);
692 	struct via_chinfo *ch;
697 	ch = &via->pch[num];
698 	ch->parent = via;
699 	ch->channel = c;
700 	ch->buffer = b;
701 	ch->dir = dir;
702 	ch->blkcnt = via->blkcnt;
709 	ch->rbase = VIA_DXS_BASE(NDXSCHANS - 1 - via->n_dxs_registered);
713 	if (sndbuf_alloc(ch->buffer, via->parent_dmat, 0, via->bufsz) != 0)
717 	via8233chan_sgdinit(via, ch, NWRCHANS + num);
718 	via8233chan_reset(via, ch);
721 	return (ch);
729 	struct via_chinfo *ch;
734 	ch = &via->pch[num];
735 	ch->parent = via;
736 	ch->channel = c;
737 	ch->buffer = b;
738 	ch->dir = dir;
739 	ch->rbase = VIA_MC_SGD_STATUS;
740 	ch->blkcnt = via->blkcnt;
743 	if (sndbuf_alloc(ch->buffer, via->parent_dmat, 0, via->bufsz) != 0)
747 	via8233chan_sgdinit(via, ch, NWRCHANS + num);
748 	via8233chan_reset(via, ch);
751 	return (ch);
755 via8233chan_mute(struct via_info *via, struct via_chinfo *ch, int muted)
757 	if (BASE_IS_VIA_DXS_REG(ch->rbase)) {
760 		via_wr(via, ch->rbase + VIA8233_RP_DXS_LVOL, muted, 1);
761 		via_wr(via, ch->rbase + VIA8233_RP_DXS_RVOL, muted, 1);
762 		r = via_rd(via, ch->rbase + VIA8233_RP_DXS_LVOL, 1) &
767 			    "(dxs base 0x%02x).\n", __func__, ch->rbase);
772 via_poll_channel(struct via_chinfo *ch)
779 	if (ch == NULL || ch->channel == NULL || ch->active == 0)
782 	via = ch->parent;
783 	sz = ch->blksz * ch->blkcnt;
784 	v = via_rd(via, ch->rbase + VIA_RP_CURRENT_COUNT, 4);
787 	ptr = ((index + 1) * ch->blksz) - count;
789 	ptr &= ~(ch->blksz - 1);
790 	ch->ptr = ptr;
791 	delta = (sz + ptr - ch->prevptr) % sz;
793 	if (delta < ch->blksz)
796 	ch->prevptr = ptr;
844 	struct via_chinfo *ch;
850 		ch = &via->pch[i];
851 		if (ch->channel == NULL || ch->active == 0)
853 		pollticks = ((uint64_t)hz * ch->blksz) /
854 		    ((uint64_t)sndbuf_getalign(ch->buffer) *
855 		    sndbuf_getspd(ch->buffer));
866 		ch = &via->rch[i];
867 		if (ch->channel == NULL || ch->active == 0)
869 		pollticks = ((uint64_t)hz * ch->blksz) /
870 		    ((uint64_t)sndbuf_getalign(ch->buffer) *
871 		    sndbuf_getspd(ch->buffer));
887 	struct via_chinfo *ch = data;
888 	struct via_info *via = ch->parent;
897 		via_buildsgdt(ch);
898 		via8233chan_mute(via, ch, 0);
899 		via_wr(via, ch->rbase + VIA_RP_TABLE_PTR, ch->sgd_addr, 4);
901 			ch->ptr = 0;
902 			ch->prevptr = 0;
903 			pollticks = ((uint64_t)hz * ch->blksz) /
904 			    ((uint64_t)sndbuf_getalign(ch->buffer) *
905 			    sndbuf_getspd(ch->buffer));
928 		via_wr(via, ch->rbase + VIA_RP_CONTROL,
932 		ch->active = 1;
936 		via_wr(via, ch->rbase + VIA_RP_CONTROL, SGD_CONTROL_STOP, 1);
937 		via8233chan_mute(via, ch, 1);
938 		via8233chan_reset(via, ch);
939 		ch->active = 0;