53 	struct pcm_channel *rdch;  member
99 static int dsp_oss_syncgroup(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_syncgroup *gro…
101 static int dsp_oss_policy(struct pcm_channel *wrch, struct pcm_channel *rdch, int policy);
102 static int dsp_oss_cookedmode(struct pcm_channel *wrch, struct pcm_channel *rdch, int enabled);
103 static int dsp_oss_getchnorder(struct pcm_channel *wrch, struct pcm_channel *rdch, unsigned long lo…
104 static int dsp_oss_setchnorder(struct pcm_channel *wrch, struct pcm_channel *rdch, unsigned long lo…
105 static int dsp_oss_getchannelmask(struct pcm_channel *wrch, struct pcm_channel *rdch, int *mask);
107 static int dsp_oss_getlabel(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_label_t *label);
108 static int dsp_oss_setlabel(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_label_t *label);
109 static int dsp_oss_getsong(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_longname_t *song…
110 static int dsp_oss_setsong(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_longname_t *song…
111 static int dsp_oss_setname(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_longname_t *name…
152 	if (priv->rdch != NULL && DSP_F_READ(prio))  in dsp_lock_chans()
153 		CHN_LOCK(priv->rdch);  in dsp_lock_chans()
161 	if (priv->rdch != NULL && DSP_F_READ(prio))  in dsp_unlock_chans()
162 		CHN_UNLOCK(priv->rdch);  in dsp_unlock_chans()
246 	struct pcm_channel *rdch, *wrch, *parent;  in dsp_close()  local
264 	rdch = priv->rdch;  in dsp_close()
267 	if (rdch != NULL)  in dsp_close()
268 		CHN_REMOVE(d, rdch, channels.pcm.opened);  in dsp_close()
272 	if (rdch != NULL || wrch != NULL) {  in dsp_close()
274 		if (rdch != NULL) {  in dsp_close()
287 			sg_ids = chn_syncdestroy(rdch);  in dsp_close()
299 			CHN_LOCK(rdch);  in dsp_close()
300 			chn_abort(rdch); /* won't sleep */  in dsp_close()
301 			rdch->flags &= ~(CHN_F_RUNNING | CHN_F_MMAP |  in dsp_close()
303 			chn_reset(rdch, 0, 0);  in dsp_close()
304 			chn_release(rdch);  in dsp_close()
305 			if (rdch->flags & CHN_F_VIRTUAL) {  in dsp_close()
306 				parent = rdch->parentchannel;  in dsp_close()
308 				CHN_LOCK(rdch);  in dsp_close()
309 				vchan_destroy(rdch);  in dsp_close()
444 		error = dsp_chn_alloc(d, &priv->rdch, PCMDIR_REC, flags, td);  in dsp_open()
451 		CHN_INSERT_HEAD(d, priv->rdch, channels.pcm.opened);  in dsp_open()
483 		ch = &priv->rdch;  in dsp_io_ops()
501 		if (priv->rdch != NULL || priv->wrch != NULL)  in dsp_io_ops()
562 	struct pcm_channel *rdch, *wrch;  in dsp_ioctl_channel()  local
573 	rdch = priv->rdch;  in dsp_ioctl_channel()
577 		if (j == SOUND_MIXER_RECLEV && rdch != NULL)  in dsp_ioctl_channel()
578 			ch = rdch;  in dsp_ioctl_channel()
679     	struct pcm_channel *chn, *rdch, *wrch;  in dsp_ioctl()  local
758 	rdch = priv->rdch;  in dsp_ioctl()
763 	if (rdch != NULL && (rdch->flags & CHN_F_DEAD))  in dsp_ioctl()
764 		rdch = NULL;  in dsp_ioctl()
766 	if (wrch == NULL && rdch == NULL) {  in dsp_ioctl()
804 	    		if (rdch) {  in dsp_ioctl()
805 				CHN_LOCK(rdch);  in dsp_ioctl()
806 				chn_setblocksize(rdch, 2, p->rec_size);  in dsp_ioctl()
807 				p->rec_size = sndbuf_getblksz(rdch->bufsoft);  in dsp_ioctl()
808 				CHN_UNLOCK(rdch);  in dsp_ioctl()
822 	    		if (rdch) {  in dsp_ioctl()
823 				CHN_LOCK(rdch);  in dsp_ioctl()
824 				p->rec_size = sndbuf_getblksz(rdch->bufsoft);  in dsp_ioctl()
825 				CHN_UNLOCK(rdch);  in dsp_ioctl()
858 	    		if (rdch) {  in dsp_ioctl()
859 				CHN_LOCK(rdch);  in dsp_ioctl()
861 					chn_setformat(rdch,  in dsp_ioctl()
863 					    AFMT_CHANNEL(rdch->format),  in dsp_ioctl()
864 					    AFMT_EXTCHANNEL(rdch->format)));  in dsp_ioctl()
865 					chn_setspeed(rdch, p->rec_rate);  in dsp_ioctl()
867 				p->rec_rate = rdch->speed;  in dsp_ioctl()
868 				p->rec_format = AFMT_ENCODING(rdch->format);  in dsp_ioctl()
869 				CHN_UNLOCK(rdch);  in dsp_ioctl()
885 			if (rdch) {  in dsp_ioctl()
886 				CHN_LOCK(rdch);  in dsp_ioctl()
887 				rcaps = chn_getcaps(rdch);  in dsp_ioctl()
897 	    		p->bufsize = min(rdch? sndbuf_getsize(rdch->bufsoft) : 1000000,  in dsp_ioctl()
900 	    		p->formats = (rdch? chn_getformats(rdch) : 0xffffffff) &  in dsp_ioctl()
902 			if (rdch && wrch) {  in dsp_ioctl()
913 			if (rdch)  in dsp_ioctl()
914 				CHN_UNLOCK(rdch);  in dsp_ioctl()
924 		} else if (*arg_i == AIOSYNC_CAPTURE && rdch) {  in dsp_ioctl()
925 			CHN_LOCK(rdch);  in dsp_ioctl()
926 			*arg_i = chn_abort(rdch);  in dsp_ioctl()
927 			CHN_UNLOCK(rdch);  in dsp_ioctl()
943 		if (rdch) {  in dsp_ioctl()
944 			CHN_LOCK(rdch);  in dsp_ioctl()
948 			*arg_i = sndbuf_getready(rdch->bufsoft);  in dsp_ioctl()
949 			CHN_UNLOCK(rdch);  in dsp_ioctl()
962 		if (rdch) {  in dsp_ioctl()
963 			CHN_LOCK(rdch);  in dsp_ioctl()
965 				rdch->flags |= CHN_F_NBIO;  in dsp_ioctl()
967 				rdch->flags &= ~CHN_F_NBIO;  in dsp_ioctl()
968 			CHN_UNLOCK(rdch);  in dsp_ioctl()
986 		chn = wrch ? wrch : rdch;  in dsp_ioctl()
1005 		if (rdch) {  in dsp_ioctl()
1006 			CHN_LOCK(rdch);  in dsp_ioctl()
1007 			chn_setblocksize(rdch, 2, *arg_i);  in dsp_ioctl()
1008 			CHN_UNLOCK(rdch);  in dsp_ioctl()
1021 		if (rdch) {  in dsp_ioctl()
1022 			CHN_LOCK(rdch);  in dsp_ioctl()
1023 			chn_abort(rdch);  in dsp_ioctl()
1024 			chn_resetbuf(rdch);  in dsp_ioctl()
1025 			CHN_UNLOCK(rdch);  in dsp_ioctl()
1049 		if (rdch && ret == 0) {  in dsp_ioctl()
1050 			CHN_LOCK(rdch);  in dsp_ioctl()
1051 			ret = chn_setspeed(rdch, *arg_i);  in dsp_ioctl()
1053 				tmp = rdch->speed;  in dsp_ioctl()
1054 			CHN_UNLOCK(rdch);  in dsp_ioctl()
1061 		chn = wrch ? wrch : rdch;  in dsp_ioctl()
1083 		if (rdch && ret == 0) {  in dsp_ioctl()
1084 			CHN_LOCK(rdch);  in dsp_ioctl()
1085 			ret = chn_setformat(rdch,  in dsp_ioctl()
1086 			    SND_FORMAT(rdch->format, *arg_i, 0));  in dsp_ioctl()
1088 				tmp = (AFMT_CHANNEL(rdch->format) > 1)? 1 : 0;  in dsp_ioctl()
1089 			CHN_UNLOCK(rdch);  in dsp_ioctl()
1131 			if (rdch && ret == 0) {  in dsp_ioctl()
1132 				CHN_LOCK(rdch);  in dsp_ioctl()
1133 				ret = chn_setformat(rdch,  in dsp_ioctl()
1134 				    SND_FORMAT(rdch->format, *arg_i, ext));  in dsp_ioctl()
1136 					tmp = AFMT_CHANNEL(rdch->format);  in dsp_ioctl()
1137 				CHN_UNLOCK(rdch);  in dsp_ioctl()
1142 			chn = wrch ? wrch : rdch;  in dsp_ioctl()
1150 		chn = wrch ? wrch : rdch;  in dsp_ioctl()
1162 		chn = wrch ? wrch : rdch;  in dsp_ioctl()
1185 			if (rdch && ret == 0) {  in dsp_ioctl()
1186 				CHN_LOCK(rdch);  in dsp_ioctl()
1187 				ret = chn_setformat(rdch, SND_FORMAT(*arg_i,  in dsp_ioctl()
1188 				    AFMT_CHANNEL(rdch->format),  in dsp_ioctl()
1189 				    AFMT_EXTCHANNEL(rdch->format)));  in dsp_ioctl()
1191 					tmp = rdch->format;  in dsp_ioctl()
1192 				CHN_UNLOCK(rdch);  in dsp_ioctl()
1197 			chn = wrch ? wrch : rdch;  in dsp_ioctl()
1224 		    	if (rdch) {  in dsp_ioctl()
1225 				CHN_LOCK(rdch);  in dsp_ioctl()
1226 				ret = chn_setblocksize(rdch, maxfrags, fragsz);  in dsp_ioctl()
1227 				r_maxfrags = sndbuf_getblkcnt(rdch->bufsoft);  in dsp_ioctl()
1228 				r_fragsz = sndbuf_getblksz(rdch->bufsoft);  in dsp_ioctl()
1229 				CHN_UNLOCK(rdch);  in dsp_ioctl()
1259 	    		if (rdch) {  in dsp_ioctl()
1260 	        		struct snd_dbuf *bs = rdch->bufsoft;  in dsp_ioctl()
1262 				CHN_LOCK(rdch);  in dsp_ioctl()
1267 				CHN_UNLOCK(rdch);  in dsp_ioctl()
1294 	    		if (rdch) {  in dsp_ioctl()
1295 	        		struct snd_dbuf *bs = rdch->bufsoft;  in dsp_ioctl()
1297 				CHN_LOCK(rdch);  in dsp_ioctl()
1299 	        		a->blocks = sndbuf_getblocks(bs) - rdch->blocks;  in dsp_ioctl()
1301 				rdch->blocks = sndbuf_getblocks(bs);  in dsp_ioctl()
1302 				CHN_UNLOCK(rdch);  in dsp_ioctl()
1328 		if (rdch && wrch && !(pcm_getflags(d->dev) & SD_F_SIMPLEX))  in dsp_ioctl()
1330 		if (rdch && (rdch->flags & CHN_F_VIRTUAL) != 0)  in dsp_ioctl()
1338 		chn = wrch ? wrch : rdch;  in dsp_ioctl()
1359 		if (rdch) {  in dsp_ioctl()
1360 			CHN_LOCK(rdch);  in dsp_ioctl()
1361 			rdch->flags &= ~CHN_F_NOTRIGGER;  in dsp_ioctl()
1363 				chn_start(rdch, 1);  in dsp_ioctl()
1365 				chn_abort(rdch);  in dsp_ioctl()
1366 				chn_resetbuf(rdch);  in dsp_ioctl()
1367 				rdch->flags |= CHN_F_NOTRIGGER;  in dsp_ioctl()
1369 			CHN_UNLOCK(rdch);  in dsp_ioctl()
1393 		if (rdch) {  in dsp_ioctl()
1394 			CHN_LOCK(rdch);  in dsp_ioctl()
1395 			if (rdch->flags & CHN_F_TRIGGERED)  in dsp_ioctl()
1397 			CHN_UNLOCK(rdch);  in dsp_ioctl()
1427 		if (rdch && wrch && (pcm_getflags(d->dev) & SD_F_SIMPLEX))  in dsp_ioctl()
1440 			chn = rdch;  in dsp_ioctl()
1446 			chn = rdch;  in dsp_ioctl()
1591 		chn = (cmd == SNDCTL_DSP_CURRENT_OPTR) ? wrch : rdch;  in dsp_ioctl()
1610 		chn = (cmd == SNDCTL_DSP_HALT_OUTPUT) ? wrch : rdch;  in dsp_ioctl()
1630 		if (rdch != NULL) {  in dsp_ioctl()
1631 			CHN_LOCK(rdch);  in dsp_ioctl()
1632 			rdch->lw = (*arg_i > 1) ? *arg_i : 1;  in dsp_ioctl()
1633 			CHN_UNLOCK(rdch);  in dsp_ioctl()
1656 			if (rdch != NULL) {  in dsp_ioctl()
1657 				CHN_LOCK(rdch);  in dsp_ioctl()
1658 				ei->rec_overruns = rdch->xruns;  in dsp_ioctl()
1659 				rdch->xruns = 0;  in dsp_ioctl()
1660 				CHN_UNLOCK(rdch);  in dsp_ioctl()
1667 		ret = dsp_oss_syncgroup(wrch, rdch, (oss_syncgroup *)arg);  in dsp_ioctl()
1679 		ret = dsp_oss_policy(wrch, rdch, *arg_i);  in dsp_ioctl()
1686 			ret = dsp_oss_cookedmode(wrch, rdch, *arg_i);  in dsp_ioctl()
1691 		ret = dsp_oss_getchnorder(wrch, rdch, (unsigned long long *)arg);  in dsp_ioctl()
1696 		ret = dsp_oss_setchnorder(wrch, rdch, (unsigned long long *)arg);  in dsp_ioctl()
1701 		ret = dsp_oss_getchannelmask(wrch, rdch, (int *)arg);  in dsp_ioctl()
1714 		chn = (cmd == SNDCTL_DSP_GETOPEAKS) ? wrch : rdch;  in dsp_ioctl()
1738 		ret = dsp_oss_getlabel(wrch, rdch, (oss_label_t *)arg);  in dsp_ioctl()
1741 		ret = dsp_oss_setlabel(wrch, rdch, (oss_label_t *)arg);  in dsp_ioctl()
1744 		ret = dsp_oss_getsong(wrch, rdch, (oss_longname_t *)arg);  in dsp_ioctl()
1747 		ret = dsp_oss_setsong(wrch, rdch, (oss_longname_t *)arg);  in dsp_ioctl()
1750 		ret = dsp_oss_setname(wrch, rdch, (oss_longname_t *)arg);  in dsp_ioctl()
1779 	struct pcm_channel *wrch, *rdch;  in dsp_poll()  local
1796 	rdch = priv->rdch;  in dsp_poll()
1804 	if (rdch != NULL && !(rdch->flags & CHN_F_DEAD)) {  in dsp_poll()
1807 			ret |= chn_poll(rdch, e, td);  in dsp_poll()
1836 	struct pcm_channel *wrch, *rdch, *c;  in dsp_mmap_single()  local
1874 	rdch = priv->rdch;  in dsp_mmap_single()
1876 	c = ((nprot & PROT_WRITE) != 0) ? wrch : rdch;  in dsp_mmap_single()
1880 	    (rdch != NULL && (rdch->flags & CHN_F_MMAP_INVALID))) {  in dsp_mmap_single()
1888 	if (rdch != NULL)  in dsp_mmap_single()
1889 		rdch->flags |= CHN_F_MMAP;  in dsp_mmap_single()
2150 	if (DSP_REGISTERED(priv->sc) && (ch == priv->rdch || ch == priv->wrch))  in dsp_oss_engineinfo_cb()
2386 dsp_oss_syncgroup(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_syncgroup *group)  in dsp_oss_syncgroup()  argument
2419 	if (rdch) {  in dsp_oss_syncgroup()
2420 		CHN_LOCK(rdch);  in dsp_oss_syncgroup()
2421 		sg_ids[1] = chn_syncdestroy(rdch);  in dsp_oss_syncgroup()
2430 	    ((rdch == NULL) && (group->mode & PCM_ENABLE_INPUT))) {  in dsp_oss_syncgroup()
2475 		smrd->ch = rdch;  in dsp_oss_syncgroup()
2477 		chn_abort(rdch);  in dsp_oss_syncgroup()
2478 		rdch->flags |= CHN_F_NOTRIGGER;  in dsp_oss_syncgroup()
2479 		rdch->sm = smrd;  in dsp_oss_syncgroup()
2510 		if (rdch)  in dsp_oss_syncgroup()
2511 			rdch->sm = NULL;  in dsp_oss_syncgroup()
2516 	if (rdch)  in dsp_oss_syncgroup()
2517 		CHN_UNLOCK(rdch);  in dsp_oss_syncgroup()
2667 dsp_oss_policy(struct pcm_channel *wrch, struct pcm_channel *rdch, int policy)  in dsp_oss_policy()  argument
2677 	if (rdch) {  in dsp_oss_policy()
2678 		CHN_LOCK(rdch);  in dsp_oss_policy()
2679 		ret = chn_setlatency(rdch, policy);  in dsp_oss_policy()
2680 		CHN_UNLOCK(rdch);  in dsp_oss_policy()
2718 dsp_oss_cookedmode(struct pcm_channel *wrch, struct pcm_channel *rdch, int enabled)  in dsp_oss_cookedmode()  argument
2744 	if (rdch != NULL) {  in dsp_oss_cookedmode()
2745 		CHN_LOCK(rdch);  in dsp_oss_cookedmode()
2746 		rdch->flags &= ~CHN_F_BITPERFECT;  in dsp_oss_cookedmode()
2747 		rdch->flags |= (enabled != 0) ? CHN_F_BITPERFECT : 0x00000000;  in dsp_oss_cookedmode()
2748 		CHN_UNLOCK(rdch);  in dsp_oss_cookedmode()
2772 dsp_oss_getchnorder(struct pcm_channel *wrch, struct pcm_channel *rdch, unsigned long long *map)  in dsp_oss_getchnorder()  argument
2777 	ch = (wrch != NULL) ? wrch : rdch;  in dsp_oss_getchnorder()
2803 dsp_oss_setchnorder(struct pcm_channel *wrch, struct pcm_channel *rdch, unsigned long long *map)  in dsp_oss_setchnorder()  argument
2815 	if (ret == 0 && rdch != NULL) {  in dsp_oss_setchnorder()
2816 		CHN_LOCK(rdch);  in dsp_oss_setchnorder()
2817 		ret = chn_oss_setorder(rdch, map);  in dsp_oss_setchnorder()
2818 		CHN_UNLOCK(rdch);  in dsp_oss_setchnorder()
2825 dsp_oss_getchannelmask(struct pcm_channel *wrch, struct pcm_channel *rdch,  in dsp_oss_getchannelmask()  argument
2833 	ch = (wrch != NULL) ? wrch : rdch;  in dsp_oss_getchannelmask()
2872 dsp_oss_getlabel(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_label_t *label)  in dsp_oss_getlabel()  argument
2896 dsp_oss_setlabel(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_label_t *label)  in dsp_oss_setlabel()  argument
2921 dsp_oss_getsong(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_longname_t *song)  in dsp_oss_getsong()  argument
2946 dsp_oss_setsong(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_longname_t *song)  in dsp_oss_setsong()  argument
2975 dsp_oss_setname(struct pcm_channel *wrch, struct pcm_channel *rdch, oss_longname_t *name)  in dsp_oss_setname()  argument