isdn/mISDN/dsp_cmx.c

150 	struct dsp_conf	*conf;
159 		if (odsp->conf)
160 			printk(" (Conf %d)", odsp->conf->id);
166 	list_for_each_entry(conf, &conf_ilist, list) {
167 		printk(KERN_DEBUG "* Conf %d (%p)\n", conf->id, conf);
168 		list_for_each_entry(member, &conf->mlist, list) {
189 	struct dsp_conf *conf;
197 	list_for_each_entry(conf, &conf_ilist, list)
198 		if (conf->id == id)
199 			return conf;
209 dsp_cmx_add_conf_member(struct dsp *dsp, struct dsp_conf *conf)
213 	if (!conf || !dsp) {
214 		printk(KERN_WARNING "%s: conf or dsp is 0.\n", __func__);
218 		printk(KERN_WARNING "%s: dsp is already member in a conf.\n",
223 	if (dsp->conf) {
224 		printk(KERN_WARNING "%s: dsp is already in a conf.\n",
241 	list_add_tail(&member->list, &conf->mlist);
243 	dsp->conf = conf;
264 	if (!dsp->conf) {
265 		printk(KERN_WARNING "%s: dsp is not in a conf.\n",
270 	if (list_empty(&dsp->conf->mlist)) {
271 		printk(KERN_WARNING "%s: dsp has linked an empty conf.\n",
276 	/* find us in conf */
277 	list_for_each_entry(member, &dsp->conf->mlist, list) {
280 			dsp->conf = NULL;
300 	struct dsp_conf *conf;
308 	conf = kzalloc(sizeof(struct dsp_conf), GFP_ATOMIC);
309 	if (!conf) {
313 	INIT_LIST_HEAD(&conf->mlist);
314 	conf->id = id;
316 	list_add_tail(&conf->list, &conf_ilist);
318 	return conf;
326 dsp_cmx_del_conf(struct dsp_conf *conf)
328 	if (!conf) {
329 		printk(KERN_WARNING "%s: conf is null.\n",
334 	if (!list_empty(&conf->mlist)) {
335 		printk(KERN_WARNING "%s: conf not empty.\n",
339 	list_del(&conf->list);
340 	kfree(conf);
368  * if only dsp instance is given, the instance is not associated with a conf
373 dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp)
383 	/* dsp gets updated (no conf) */
384 	if (!conf) {
395 				       "%s removing %s from HFC conf %d "
492 	/* conf gets updated (all members) */
495 		       __func__, conf->id);
497 	if (list_empty(&conf->mlist)) {
502 	member = list_entry(conf->mlist.next, struct dsp_conf_member, list);
506 	list_for_each_entry(member, &conf->mlist, list) {
511 				       "%s dsp %s cannot form a conf, because "
515 			list_for_each_entry(member, &conf->mlist, list) {
522 						       "conf %d because not "
553 			conf->hardware = 0;
554 			conf->software = 1;
561 				       "%s dsp %s cannot form a conf, because "
570 				       "%s dsp %s cannot form a conf, because "
579 				       "%s dsp %s cannot form a conf, because "
587 				       "%s dsp %s cannot form a conf, because "
604 				       "%s dsp %s cannot form a conf, because "
613 				       "conf, because encryption is enabled\n",
621 				       "%s dsp %s cannot form a conf, because "
630 				       "%s dsp %s cannot form a conf, because "
657 			       "%s conf %d cannot form a HW conference, "
658 			       "because dsp is alone\n", __func__, conf->id);
659 		conf->hardware = 0;
660 		conf->software = 0;
661 		member = list_entry(conf->mlist.next, struct dsp_conf_member,
675 		member = list_entry(conf->mlist.next, struct dsp_conf_member,
683 				       "%s removing %s from HFC conf %d because "
694 				       "%s removing %s from HFC conf %d because "
734 				conf->hardware = 1;
735 				conf->software = tx_data;
796 			conf->hardware = 1;
797 			conf->software = tx_data;
826 				conf->hardware = 1;
827 				conf->software = tx_data;
906 			conf->hardware = 1;
907 			conf->software = tx_data;
924 			       __func__, conf->id);
932 		conf->hardware = 1;
933 		conf->software = tx_data;
942 		list_for_each_entry(member, &conf->mlist, list) {
989 					       __func__, conf->id);
997 			/* assign free slot & set PCM & join conf */
1008 		conf->hardware = 1;
1009 		conf->software = tx_data;
1039 			       __func__, conf->id);
1056 	struct dsp_conf *conf;
1063 	/* first remove us from current conf */
1067 			       dsp->conf->id);
1068 		/* remove us from conf */
1069 		conf = dsp->conf;
1078 		/* conf now empty? */
1079 		if (list_empty(&conf->mlist)) {
1083 			err = dsp_cmx_del_conf(conf);
1087 			/* update members left on conf */
1088 			dsp_cmx_hardware(conf, NULL);
1096 	/* now add us to conf */
1100 	conf = dsp_cmx_search_conf(conf_id);
1101 	if (!conf) {
1106 		conf = dsp_cmx_new_conf(conf_id);
1107 		if (!conf)
1109 	} else if (!list_empty(&conf->mlist)) {
1110 		member = list_entry(conf->mlist.next, struct dsp_conf_member,
1126 	err = dsp_cmx_add_conf_member(dsp, conf);
1132 	if (list_empty(&conf->mlist)) {
1141 	/* update members on conf */
1142 	dsp_cmx_hardware(conf, NULL);
1300 	struct dsp_conf *conf = dsp->conf;
1315 	if (((dsp->conf && dsp->conf->hardware) || /* hardware conf */
1323 		if (dsp->conf && dsp->conf->software && dsp->conf->hardware)
1331 	       "SEND members=%d dsp=%s, conf=%p, rx_R=%05x rx_W=%05x\n",
1332 	       members, dsp->name, conf, dsp->rx_R, dsp->rx_W);
1407 	/* PROCESS DATA (one member / no conf) */
1408 	if (!conf || members <= 1) {
1449 		other = (list_entry(conf->mlist.next,
1452 			other = (list_entry(conf->mlist.prev,
1507 		 * -> subtract rx-data from conf-data,
1518 			/* conf-rx+tx */
1529 			/* conf-rx */
1535 		 * -> encode conf-data, if tx-data
1545 			/* conf(echo)+tx */
1556 			/* conf(echo) */
1619 	struct dsp_conf *conf;
1660 		conf = dsp->conf;
1663 		if (conf) {
1664 			members = list_count_nodes(&conf->mlist);
1666 			if (conf->software && members > 1)
1668 			if (conf->software && members > 2)
1685 	list_for_each_entry(conf, &conf_ilist, list) {
1687 		members = list_count_nodes(&conf->mlist);
1689 		if (conf->software && members > 1) {
1691 		if (conf->software && members > 2) {
1693 			/* check for hdlc conf */
1694 			member = list_entry(conf->mlist.next,
1700 			list_for_each_entry(member, &conf->mlist, list) {
1715 			list_for_each_entry(member, &conf->mlist, list) {
1919 	/* no conf */
1920 	if (!dsp->conf) {
1935 	if (dsp->conf->hardware)
1937 	list_for_each_entry(member, &dsp->conf->mlist, list) {