195 		struct ehci_per_sched *ps)  in bandwidth_dbg()  argument
197 	dev_dbg(&ps->udev->dev,  in bandwidth_dbg()
199 			ps->ep->desc.bEndpointAddress,  in bandwidth_dbg()
201 			(ps->bw_phase << 3) + ps->phase_uf, ps->bw_uperiod,  in bandwidth_dbg()
202 			ps->phase, ps->phase_uf, ps->period,  in bandwidth_dbg()
203 			ps->usecs, ps->c_usecs, ps->cs_mask);  in bandwidth_dbg()
211 	int			usecs = qh->ps.usecs;  in reserve_release_intr_bandwidth()
212 	int			c_usecs = qh->ps.c_usecs;  in reserve_release_intr_bandwidth()
213 	int			tt_usecs = qh->ps.tt_usecs;  in reserve_release_intr_bandwidth()
216 	if (qh->ps.phase == NO_FRAME)	/* Bandwidth wasn't reserved */  in reserve_release_intr_bandwidth()
218 	start_uf = qh->ps.bw_phase << 3;  in reserve_release_intr_bandwidth()
220 	bandwidth_dbg(ehci, sign, "intr", &qh->ps);  in reserve_release_intr_bandwidth()
229 	for (i = start_uf + qh->ps.phase_uf; i < EHCI_BANDWIDTH_SIZE;  in reserve_release_intr_bandwidth()
230 			i += qh->ps.bw_uperiod)  in reserve_release_intr_bandwidth()
234 	if (qh->ps.c_usecs) {  in reserve_release_intr_bandwidth()
237 				i += qh->ps.bw_uperiod) {  in reserve_release_intr_bandwidth()
239 				if (qh->ps.cs_mask & m)  in reserve_release_intr_bandwidth()
247 		tt = find_tt(qh->ps.udev);  in reserve_release_intr_bandwidth()
249 			list_add_tail(&qh->ps.ps_list, &tt->ps_list);  in reserve_release_intr_bandwidth()
251 			list_del(&qh->ps.ps_list);  in reserve_release_intr_bandwidth()
254 				i += qh->ps.bw_period)  in reserve_release_intr_bandwidth()
264 	struct ehci_per_sched	*ps;  in compute_tt_budget()  local
273 	list_for_each_entry(ps, &tt->ps_list, ps_list) {  in compute_tt_budget()
274 		for (uframe = ps->bw_phase << 3; uframe < EHCI_BANDWIDTH_SIZE;  in compute_tt_budget()
275 				uframe += ps->bw_uperiod) {  in compute_tt_budget()
277 			x = ps->tt_usecs;  in compute_tt_budget()
280 			for (uf = ps->phase_uf; uf < 8; ++uf) {  in compute_tt_budget()
349 	struct ehci_per_sched	*ps,  in tt_available()  argument
355 	unsigned		period = ps->bw_period;  in tt_available()
356 	unsigned		usecs = ps->tt_usecs;  in tt_available()
437 				if (same_tt(dev, here.qh->ps.udev)) {  in tt_no_collision()
517 	unsigned	period = qh->ps.period;  in qh_link_periodic()
519 	dev_dbg(&qh->ps.udev->dev,  in qh_link_periodic()
523 		qh, qh->ps.phase, qh->ps.usecs, qh->ps.c_usecs);  in qh_link_periodic()
529 	for (i = qh->ps.phase; i < ehci->periodic_size; i += period) {  in qh_link_periodic()
549 			if (qh->ps.period > here.qh->ps.period)  in qh_link_periodic()
570 	ehci_to_hcd(ehci)->self.bandwidth_allocated += qh->ps.bw_period  in qh_link_periodic()
571 		? ((qh->ps.usecs + qh->ps.c_usecs) / qh->ps.bw_period)  in qh_link_periodic()
572 		: (qh->ps.usecs * 8);  in qh_link_periodic()
602 	period = qh->ps.period ? : 1;  in qh_unlink_periodic()
604 	for (i = qh->ps.phase; i < ehci->periodic_size; i += period)  in qh_unlink_periodic()
608 	ehci_to_hcd(ehci)->self.bandwidth_allocated -= qh->ps.bw_period  in qh_unlink_periodic()
609 		? ((qh->ps.usecs + qh->ps.c_usecs) / qh->ps.bw_period)  in qh_unlink_periodic()
610 		: (qh->ps.usecs * 8);  in qh_unlink_periodic()
612 	dev_dbg(&qh->ps.udev->dev,  in qh_unlink_periodic()
614 		qh->ps.period,  in qh_unlink_periodic()
616 		qh, qh->ps.phase, qh->ps.usecs, qh->ps.c_usecs);  in qh_unlink_periodic()
773 	if (qh->ps.c_usecs && uframe >= 6)	/* FSTN territory? */  in check_intr_schedule()
776 	if (!check_period(ehci, frame, uframe, qh->ps.bw_uperiod, qh->ps.usecs))  in check_intr_schedule()
778 	if (!qh->ps.c_usecs) {  in check_intr_schedule()
785 	if (tt_available(ehci, &qh->ps, tt, frame, uframe)) {  in check_intr_schedule()
791 					qh->ps.bw_uperiod, qh->ps.c_usecs))  in check_intr_schedule()
812 	if (tt_no_collision(ehci, qh->ps.bw_period, qh->ps.udev, frame, mask)) {  in check_intr_schedule()
814 				qh->ps.bw_uperiod, qh->ps.c_usecs))  in check_intr_schedule()
817 				qh->ps.bw_uperiod, qh->ps.c_usecs))  in check_intr_schedule()
840 	if (qh->ps.phase != NO_FRAME) {  in qh_schedule()
847 	tt = find_tt(qh->ps.udev);  in qh_schedule()
858 	if (qh->ps.bw_period) {  in qh_schedule()
862 		for (i = qh->ps.bw_period; i > 0; --i) {  in qh_schedule()
863 			frame = ++ehci->random_frame & (qh->ps.bw_period - 1);  in qh_schedule()
872 	/* qh->ps.bw_period == 0 means every uframe */  in qh_schedule()
880 	qh->ps.phase = (qh->ps.period ? ehci->random_frame &  in qh_schedule()
881 			(qh->ps.period - 1) : 0);  in qh_schedule()
882 	qh->ps.bw_phase = qh->ps.phase & (qh->ps.bw_period - 1);  in qh_schedule()
883 	qh->ps.phase_uf = uframe;  in qh_schedule()
884 	qh->ps.cs_mask = qh->ps.period ?  in qh_schedule()
890 	hw->hw_info2 |= cpu_to_hc32(ehci, qh->ps.cs_mask);  in qh_schedule()
1004 		stream->ps.phase = NO_FRAME;  in iso_stream_alloc()
1049 		stream->ps.usecs = HS_USECS_ISO(maxp);  in iso_stream_init()
1056 		stream->ps.bw_uperiod = min_t(unsigned, tmp, urb->interval);  in iso_stream_init()
1059 		stream->ps.period = urb->interval >> 3;  in iso_stream_init()
1060 		stream->bandwidth = stream->ps.usecs * 8 /  in iso_stream_init()
1061 				stream->ps.bw_uperiod;  in iso_stream_init()
1075 		stream->ps.usecs = HS_USECS_ISO(maxp);  in iso_stream_init()
1077 		stream->ps.tt_usecs = NS_TO_US(think_time + usb_calc_bus_time(  in iso_stream_init()
1084 			stream->ps.c_usecs = stream->ps.usecs;  in iso_stream_init()
1085 			stream->ps.usecs = HS_USECS_ISO(1);  in iso_stream_init()
1086 			stream->ps.cs_mask = 1;  in iso_stream_init()
1090 			stream->ps.cs_mask |= tmp << (8 + 2);  in iso_stream_init()
1092 			stream->ps.cs_mask = smask_out[hs_transfers - 1];  in iso_stream_init()
1099 		stream->ps.bw_period = min_t(unsigned, tmp, urb->interval);  in iso_stream_init()
1100 		stream->ps.bw_uperiod = stream->ps.bw_period << 3;  in iso_stream_init()
1102 		stream->ps.period = urb->interval;  in iso_stream_init()
1104 		stream->bandwidth = (stream->ps.usecs + stream->ps.c_usecs) /  in iso_stream_init()
1105 				stream->ps.bw_period;  in iso_stream_init()
1111 	stream->ps.udev = dev;  in iso_stream_init()
1112 	stream->ps.ep = urb->ep;  in iso_stream_init()
1302 	int			usecs = stream->ps.usecs;  in reserve_release_iso_bandwidth()
1303 	int			c_usecs = stream->ps.c_usecs;  in reserve_release_iso_bandwidth()
1304 	int			tt_usecs = stream->ps.tt_usecs;  in reserve_release_iso_bandwidth()
1307 	if (stream->ps.phase == NO_FRAME)	/* Bandwidth wasn't reserved */  in reserve_release_iso_bandwidth()
1309 	uframe = stream->ps.bw_phase << 3;  in reserve_release_iso_bandwidth()
1311 	bandwidth_dbg(ehci, sign, "iso", &stream->ps);  in reserve_release_iso_bandwidth()
1320 		for (i = uframe + stream->ps.phase_uf; i < EHCI_BANDWIDTH_SIZE;  in reserve_release_iso_bandwidth()
1321 				i += stream->ps.bw_uperiod)  in reserve_release_iso_bandwidth()
1325 		s_mask = stream->ps.cs_mask;  in reserve_release_iso_bandwidth()
1330 				i += stream->ps.bw_uperiod) {  in reserve_release_iso_bandwidth()
1331 			for ((j = stream->ps.phase_uf, m = 1 << j); j < 8;  in reserve_release_iso_bandwidth()
1340 		tt = find_tt(stream->ps.udev);  in reserve_release_iso_bandwidth()
1342 			list_add_tail(&stream->ps.ps_list, &tt->ps_list);  in reserve_release_iso_bandwidth()
1344 			list_del(&stream->ps.ps_list);  in reserve_release_iso_bandwidth()
1347 				i += stream->ps.bw_period)  in reserve_release_iso_bandwidth()
1362 	usecs = ehci->uframe_periodic_max - stream->ps.usecs;  in itd_slot_ok()
1364 	for (uframe &= stream->ps.bw_uperiod - 1; uframe < EHCI_BANDWIDTH_SIZE;  in itd_slot_ok()
1365 			uframe += stream->ps.bw_uperiod) {  in itd_slot_ok()
1384 	mask = stream->ps.cs_mask << (uframe & 7);  in sitd_slot_ok()
1387 	if (((stream->ps.cs_mask & 0xff) << (uframe & 7)) >= (1 << 7))  in sitd_slot_ok()
1395 	uframe &= stream->ps.bw_uperiod - 1;  in sitd_slot_ok()
1403 	if (!tt_available(ehci, &stream->ps, tt, frame, uf))  in sitd_slot_ok()
1409 	if (!tt_no_collision(ehci, stream->ps.bw_period,  in sitd_slot_ok()
1410 			stream->ps.udev, frame, mask))  in sitd_slot_ok()
1420 		max_used = ehci->uframe_periodic_max - stream->ps.usecs;  in sitd_slot_ok()
1421 		for (tmp = stream->ps.cs_mask & 0xff; tmp; tmp >>= 1, uf++) {  in sitd_slot_ok()
1427 		if (stream->ps.c_usecs) {  in sitd_slot_ok()
1429 					stream->ps.c_usecs;  in sitd_slot_ok()
1433 				if ((stream->ps.cs_mask & tmp) == 0)  in sitd_slot_ok()
1440 		uframe += stream->ps.bw_uperiod;  in sitd_slot_ok()
1443 	stream->ps.cs_mask <<= uframe & 7;  in sitd_slot_ok()
1444 	stream->splits = cpu_to_hc32(ehci, stream->ps.cs_mask);  in sitd_slot_ok()
1484 		if (stream->ps.phase == NO_FRAME) {  in iso_stream_schedule()
1486 			struct ehci_tt	*tt = find_tt(stream->ps.udev);  in iso_stream_schedule()
1524 			stream->ps.phase = (start >> 3) &  in iso_stream_schedule()
1525 					(stream->ps.period - 1);  in iso_stream_schedule()
1526 			stream->ps.bw_phase = stream->ps.phase &  in iso_stream_schedule()
1527 					(stream->ps.bw_period - 1);  in iso_stream_schedule()
1528 			stream->ps.phase_uf = start & 7;  in iso_stream_schedule()
1534 			start = (stream->ps.phase << 3) + stream->ps.phase_uf;  in iso_stream_schedule()
1983 	iso_sched->span = urb->number_of_packets * stream->ps.period;  in sitd_sched_init()
2295 	if (urb->interval != stream->ps.period) {  in sitd_submit()
2297 			stream->ps.period, urb->interval);  in sitd_submit()