277 	struct snd_dbuf *bs = c->bufsoft;  in chn_polltrigger()  local
283 		if (sndbuf_getprevtotal(bs) < c->lw)  in chn_polltrigger()
286 			delta = sndbuf_gettotal(bs) - sndbuf_getprevtotal(bs);  in chn_polltrigger()
289 			delta = sndbuf_getfree(bs);  in chn_polltrigger()
291 			delta = sndbuf_getready(bs);  in chn_polltrigger()
308 	struct snd_dbuf *bs;  in chn_wakeup()  local
313 	bs = c->bufsoft;  in chn_wakeup()
316 		if (SEL_WAITING(sndbuf_getsel(bs)) && chn_polltrigger(c))  in chn_wakeup()
317 			selwakeuppri(sndbuf_getsel(bs), PRIBIO);  in chn_wakeup()
397     	struct snd_dbuf *bs = c->bufsoft;  in chn_wrfeed()  local
403 		sndbuf_acquire(bs, NULL, sndbuf_getfree(bs));  in chn_wrfeed()
407 	    imax(0, sndbuf_xbytes(sndbuf_getsize(bs), bs, b) -  in chn_wrfeed()
411 		sndbuf_feed(bs, b, c, c->feeder, amt);  in chn_wrfeed()
463 	struct snd_dbuf *bs = c->bufsoft;  in chn_write()  local
473 		sz = min(buf->uio_resid, sndbuf_getfree(bs));  in chn_write()
481 				p = sndbuf_getfreeptr(bs);  in chn_write()
482 				t = min(sz, sndbuf_getsize(bs) - p);  in chn_write()
483 				off = sndbuf_getbufofs(bs, p);  in chn_write()
488 				sndbuf_acquire(bs, NULL, t);  in chn_write()
531     	struct snd_dbuf *bs = c->bufsoft;  in chn_rdfeed()  local
537 		sndbuf_dispose(bs, NULL, sndbuf_getready(bs));  in chn_rdfeed()
539 	amt = sndbuf_getfree(bs);  in chn_rdfeed()
541 		sndbuf_feed(b, bs, c, c->feeder, amt);  in chn_rdfeed()
549 	if (sndbuf_getready(bs) > 0)  in chn_rdfeed()
593 	struct snd_dbuf *bs = c->bufsoft;  in chn_read()  local
611 		sz = min(buf->uio_resid, sndbuf_getready(bs));  in chn_read()
619 				p = sndbuf_getreadyptr(bs);  in chn_read()
620 				t = min(sz, sndbuf_getsize(bs) - p);  in chn_read()
621 				off = sndbuf_getbufofs(bs, p);  in chn_read()
626 				sndbuf_dispose(bs, NULL, t);  in chn_read()
680 	struct snd_dbuf *bs = c->bufsoft;  in chn_start()  local
695 			i = sndbuf_getfree(bs);  in chn_start()
698 			if (sndbuf_getfree(bs) == 0) {  in chn_start()
705 				i = sndbuf_xbytes(sndbuf_getready(bs), bs, pb);  in chn_start()
729 				    sndbuf_xbytes(sndbuf_getsize(bs), bs, b));  in chn_start()
755 	struct snd_dbuf *bs = c->bufsoft;  in chn_resetbuf()  local
759 	sndbuf_reset(bs);  in chn_resetbuf()
770     	struct snd_dbuf *b, *bs;  in chn_sync()  local
779 	bs = c->bufsoft;  in chn_sync()
782 	    (threshold < 1 && sndbuf_getready(bs) < 1))  in chn_sync()
787 		if (threshold > 0 || sndbuf_getready(bs) > 0) {  in chn_sync()
797 	minflush = threshold + sndbuf_xbytes(sndbuf_getready(b), b, bs);  in chn_sync()
801 	if (syncdelay < 0 && (threshold > 0 || sndbuf_getready(bs) > 0))  in chn_sync()
802 		minflush += sndbuf_xbytes(sndbuf_getsize(b), b, bs);  in chn_sync()
810 		minflush += (sndbuf_getalign(bs) * sndbuf_getspd(bs) *  in chn_sync()
813 	minflush -= minflush % sndbuf_getalign(bs);  in chn_sync()
816 		threshold = min(minflush, sndbuf_getfree(bs));  in chn_sync()
817 		sndbuf_clear(bs, threshold);  in chn_sync()
818 		sndbuf_acquire(bs, NULL, threshold);  in chn_sync()
822 	resid = sndbuf_getready(bs);  in chn_sync()
835 	count = sndbuf_xbytes(minflush + resid, bs, b) / blksz;  in chn_sync()
852 			resid = sndbuf_getready(bs);  in chn_sync()
872 			if (minflush > 0 && sndbuf_getfree(bs) > 0) {  in chn_sync()
874 				    sndbuf_getfree(bs));  in chn_sync()
875 				sndbuf_clear(bs, threshold);  in chn_sync()
876 				sndbuf_acquire(bs, NULL, threshold);  in chn_sync()
877 				resid = sndbuf_getready(bs);  in chn_sync()
901 	struct snd_dbuf *bs = c->bufsoft;  in chn_poll()  local
917 		selrecord(td, sndbuf_getsel(bs));  in chn_poll()
933     	struct snd_dbuf *bs = c->bufsoft;  in chn_abort()  local
946     	missing = sndbuf_getready(bs);  in chn_abort()
1191 	struct snd_dbuf *b, *bs;  in chn_init()  local
1200 	bs = NULL;  in chn_init()
1212 	bs = sndbuf_create(c->dev, c->name, "secondary", c);  in chn_init()
1213 	if (bs == NULL)  in chn_init()
1231 	sndbuf_setup(bs, NULL, 0);  in chn_init()
1234 	c->bufsoft = bs;  in chn_init()
1269 	sndbuf_setfmt(bs, c->format);  in chn_init()
1270 	sndbuf_setspd(bs, c->speed);  in chn_init()
1278 		bs->sl = sndbuf_getmaxsize(bs);  in chn_init()
1279 		bs->shadbuf = malloc(bs->sl, M_DEVBUF, M_NOWAIT);  in chn_init()
1280 		if (bs->shadbuf == NULL) {  in chn_init()
1293 		if (bs)  in chn_init()
1294 			sndbuf_destroy(bs);  in chn_init()
1311     	struct snd_dbuf *bs = c->bufsoft;  in chn_kill()  local
1322 	sndbuf_destroy(bs);  in chn_kill()
1735 	struct snd_dbuf *b, *bs, *pb;  in chn_resizebuf()  local
1758 	bs = c->bufsoft;  in chn_resizebuf()
1762 	    (blksz < 16 || blksz < sndbuf_getalign(bs) || blkcnt < 2 ||  in chn_resizebuf()
1766 	chn_calclatency(c->direction, latency, sndbuf_getalign(bs),  in chn_resizebuf()
1767 	    sndbuf_getalign(bs) * sndbuf_getspd(bs), CHN_2NDBUFMAXSIZE,  in chn_resizebuf()
1774 			blksz = sndbuf_getblksz(bs);  in chn_resizebuf()
1775 			blkcnt = sndbuf_getblkcnt(bs);  in chn_resizebuf()
1788 		sblksz = round_blksz(blksz, sndbuf_getalign(bs));  in chn_resizebuf()
1801 			    sndbuf_xbytes(sndbuf_getsize(pb), pb, bs) : 0;  in chn_resizebuf()
1804 			    sndbuf_xbytes(sndbuf_getblksz(pb), pb, bs) * 2 : 0;  in chn_resizebuf()
1809 			hblksz = round_blksz(sndbuf_xbytes(sblksz, bs, b),  in chn_resizebuf()
1811 			hblkcnt = round_pow2(sndbuf_getblkcnt(bs));  in chn_resizebuf()
1847 			    sndbuf_xbytes(sndbuf_getblksz(b), b, bs),  in chn_resizebuf()
1848 			    sndbuf_getalign(bs));  in chn_resizebuf()
1861 			limit = sndbuf_xbytes(sndbuf_getblksz(b), b, bs) * 2;  in chn_resizebuf()
1885 	sblksz -= sblksz % sndbuf_getalign(bs);  in chn_resizebuf()
1887 	if (sndbuf_getblkcnt(bs) != sblkcnt || sndbuf_getblksz(bs) != sblksz ||  in chn_resizebuf()
1888 	    sndbuf_getsize(bs) != (sblkcnt * sblksz)) {  in chn_resizebuf()
1889 		ret = sndbuf_remalloc(bs, sblkcnt, sblksz);  in chn_resizebuf()
1900 	c->timeout = ((u_int64_t)hz * sndbuf_getsize(bs)) /  in chn_resizebuf()
1901 	    ((u_int64_t)sndbuf_getspd(bs) * sndbuf_getalign(bs));  in chn_resizebuf()
1911 	c->lw = sndbuf_getblksz(bs);  in chn_resizebuf()
1922 		    sndbuf_getsize(bs), sndbuf_getblksz(bs),  in chn_resizebuf()
1923 		    sndbuf_getblkcnt(bs), limit);  in chn_resizebuf()