Lines Matching refs:ehci
32 periodic_next_shadow(struct ehci_hcd *ehci, union ehci_shadow *periodic, in periodic_next_shadow() argument
35 switch (hc32_to_cpu(ehci, tag)) { in periodic_next_shadow()
49 shadow_next_periodic(struct ehci_hcd *ehci, union ehci_shadow *periodic, in shadow_next_periodic() argument
52 switch (hc32_to_cpu(ehci, tag)) { in shadow_next_periodic()
63 static void periodic_unlink(struct ehci_hcd *ehci, unsigned frame, void *ptr) in periodic_unlink() argument
65 union ehci_shadow *prev_p = &ehci->pshadow[frame]; in periodic_unlink()
66 __hc32 *hw_p = &ehci->periodic[frame]; in periodic_unlink()
71 prev_p = periodic_next_shadow(ehci, prev_p, in periodic_unlink()
72 Q_NEXT_TYPE(ehci, *hw_p)); in periodic_unlink()
73 hw_p = shadow_next_periodic(ehci, &here, in periodic_unlink()
74 Q_NEXT_TYPE(ehci, *hw_p)); in periodic_unlink()
84 *prev_p = *periodic_next_shadow(ehci, &here, in periodic_unlink()
85 Q_NEXT_TYPE(ehci, *hw_p)); in periodic_unlink()
87 if (!ehci->use_dummy_qh || in periodic_unlink()
88 *shadow_next_periodic(ehci, &here, Q_NEXT_TYPE(ehci, *hw_p)) in periodic_unlink()
89 != EHCI_LIST_END(ehci)) in periodic_unlink()
90 *hw_p = *shadow_next_periodic(ehci, &here, in periodic_unlink()
91 Q_NEXT_TYPE(ehci, *hw_p)); in periodic_unlink()
93 *hw_p = cpu_to_hc32(ehci, ehci->dummy->qh_dma); in periodic_unlink()
137 struct ehci_hcd *ehci = in find_tt() local
148 list_add_tail(&tt->tt_list, &ehci->tt_list); in find_tt()
194 static void bandwidth_dbg(struct ehci_hcd *ehci, int sign, char *type, in bandwidth_dbg() argument
206 static void reserve_release_intr_bandwidth(struct ehci_hcd *ehci, in reserve_release_intr_bandwidth() argument
220 bandwidth_dbg(ehci, sign, "intr", &qh->ps); in reserve_release_intr_bandwidth()
231 ehci->bandwidth[i] += usecs; in reserve_release_intr_bandwidth()
240 ehci->bandwidth[i+j] += c_usecs; in reserve_release_intr_bandwidth()
348 struct ehci_hcd *ehci, in tt_available() argument
371 tt_usecs[i] = ehci->tt_budget[uf]; in tt_available()
408 struct ehci_hcd *ehci, in tt_no_collision() argument
422 for (; frame < ehci->periodic_size; frame += period) { in tt_no_collision()
427 here = ehci->pshadow[frame]; in tt_no_collision()
428 type = Q_NEXT_TYPE(ehci, ehci->periodic[frame]); in tt_no_collision()
430 switch (hc32_to_cpu(ehci, type)) { in tt_no_collision()
432 type = Q_NEXT_TYPE(ehci, here.itd->hw_next); in tt_no_collision()
440 mask = hc32_to_cpu(ehci, in tt_no_collision()
447 type = Q_NEXT_TYPE(ehci, hw->hw_next); in tt_no_collision()
454 mask = hc32_to_cpu(ehci, here.sitd in tt_no_collision()
461 type = Q_NEXT_TYPE(ehci, here.sitd->hw_next); in tt_no_collision()
466 ehci_dbg(ehci, in tt_no_collision()
484 static void enable_periodic(struct ehci_hcd *ehci) in enable_periodic() argument
486 if (ehci->periodic_count++) in enable_periodic()
490 ehci->enabled_hrtimer_events &= ~BIT(EHCI_HRTIMER_DISABLE_PERIODIC); in enable_periodic()
493 ehci_poll_PSS(ehci); in enable_periodic()
494 turn_on_io_watchdog(ehci); in enable_periodic()
497 static void disable_periodic(struct ehci_hcd *ehci) in disable_periodic() argument
499 if (--ehci->periodic_count) in disable_periodic()
503 ehci_poll_PSS(ehci); in disable_periodic()
514 static void qh_link_periodic(struct ehci_hcd *ehci, struct ehci_qh *qh) in qh_link_periodic() argument
521 period, hc32_to_cpup(ehci, &qh->hw->hw_info2) in qh_link_periodic()
529 for (i = qh->ps.phase; i < ehci->periodic_size; i += period) { in qh_link_periodic()
530 union ehci_shadow *prev = &ehci->pshadow[i]; in qh_link_periodic()
531 __hc32 *hw_p = &ehci->periodic[i]; in qh_link_periodic()
537 type = Q_NEXT_TYPE(ehci, *hw_p); in qh_link_periodic()
538 if (type == cpu_to_hc32(ehci, Q_TYPE_QH)) in qh_link_periodic()
540 prev = periodic_next_shadow(ehci, prev, type); in qh_link_periodic()
541 hw_p = shadow_next_periodic(ehci, &here, type); in qh_link_periodic()
562 *hw_p = QH_NEXT(ehci, qh->qh_dma); in qh_link_periodic()
570 ehci_to_hcd(ehci)->self.bandwidth_allocated += qh->ps.bw_period in qh_link_periodic()
574 list_add(&qh->intr_node, &ehci->intr_qh_list); in qh_link_periodic()
577 ++ehci->intr_count; in qh_link_periodic()
578 enable_periodic(ehci); in qh_link_periodic()
581 static void qh_unlink_periodic(struct ehci_hcd *ehci, struct ehci_qh *qh) in qh_unlink_periodic() argument
604 for (i = qh->ps.phase; i < ehci->periodic_size; i += period) in qh_unlink_periodic()
605 periodic_unlink(ehci, i, qh); in qh_unlink_periodic()
608 ehci_to_hcd(ehci)->self.bandwidth_allocated -= qh->ps.bw_period in qh_unlink_periodic()
615 hc32_to_cpup(ehci, &qh->hw->hw_info2) & (QH_CMASK | QH_SMASK), in qh_unlink_periodic()
622 if (ehci->qh_scan_next == qh) in qh_unlink_periodic()
623 ehci->qh_scan_next = list_entry(qh->intr_node.next, in qh_unlink_periodic()
628 static void cancel_unlink_wait_intr(struct ehci_hcd *ehci, struct ehci_qh *qh) in cancel_unlink_wait_intr() argument
642 static void start_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh) in start_unlink_intr() argument
649 cancel_unlink_wait_intr(ehci, qh); in start_unlink_intr()
651 qh_unlink_periodic(ehci, qh); in start_unlink_intr()
661 qh->unlink_cycle = ehci->intr_unlink_cycle; in start_unlink_intr()
664 list_add_tail(&qh->unlink_node, &ehci->intr_unlink); in start_unlink_intr()
666 if (ehci->intr_unlinking) in start_unlink_intr()
668 else if (ehci->rh_state < EHCI_RH_RUNNING) in start_unlink_intr()
669 ehci_handle_intr_unlinks(ehci); in start_unlink_intr()
670 else if (ehci->intr_unlink.next == &qh->unlink_node) { in start_unlink_intr()
671 ehci_enable_event(ehci, EHCI_HRTIMER_UNLINK_INTR, true); in start_unlink_intr()
672 ++ehci->intr_unlink_cycle; in start_unlink_intr()
681 static void start_unlink_intr_wait(struct ehci_hcd *ehci, in start_unlink_intr_wait() argument
684 qh->unlink_cycle = ehci->intr_unlink_wait_cycle; in start_unlink_intr_wait()
687 list_add_tail(&qh->unlink_node, &ehci->intr_unlink_wait); in start_unlink_intr_wait()
689 if (ehci->rh_state < EHCI_RH_RUNNING) in start_unlink_intr_wait()
690 ehci_handle_start_intr_unlinks(ehci); in start_unlink_intr_wait()
691 else if (ehci->intr_unlink_wait.next == &qh->unlink_node) { in start_unlink_intr_wait()
692 ehci_enable_event(ehci, EHCI_HRTIMER_START_UNLINK_INTR, true); in start_unlink_intr_wait()
693 ++ehci->intr_unlink_wait_cycle; in start_unlink_intr_wait()
697 static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh) in end_unlink_intr() argument
703 hw->hw_next = EHCI_LIST_END(ehci); in end_unlink_intr()
706 qh_completions(ehci, qh); in end_unlink_intr()
709 if (!list_empty(&qh->qtd_list) && ehci->rh_state == EHCI_RH_RUNNING) { in end_unlink_intr()
710 rc = qh_schedule(ehci, qh); in end_unlink_intr()
712 qh_refresh(ehci, qh); in end_unlink_intr()
713 qh_link_periodic(ehci, qh); in end_unlink_intr()
723 ehci_err(ehci, "can't reschedule qh %p, err %d\n", in end_unlink_intr()
729 --ehci->intr_count; in end_unlink_intr()
730 disable_periodic(ehci); in end_unlink_intr()
736 struct ehci_hcd *ehci, in check_period() argument
749 usecs = ehci->uframe_periodic_max - usecs; in check_period()
753 if (ehci->bandwidth[uframe] > usecs) in check_period()
762 struct ehci_hcd *ehci, in check_intr_schedule() argument
776 if (!check_period(ehci, frame, uframe, qh->ps.bw_uperiod, qh->ps.usecs)) in check_intr_schedule()
785 if (tt_available(ehci, &qh->ps, tt, frame, uframe)) { in check_intr_schedule()
790 if (!check_period(ehci, frame, i, in check_intr_schedule()
812 if (tt_no_collision(ehci, qh->ps.bw_period, qh->ps.udev, frame, mask)) { in check_intr_schedule()
813 if (!check_period(ehci, frame, uframe + qh->gap_uf + 1, in check_intr_schedule()
816 if (!check_period(ehci, frame, uframe + qh->gap_uf, in check_intr_schedule()
829 static int qh_schedule(struct ehci_hcd *ehci, struct ehci_qh *qh) in qh_schedule() argument
837 hw->hw_next = EHCI_LIST_END(ehci); in qh_schedule()
841 ehci_dbg(ehci, "reused qh %p schedule\n", qh); in qh_schedule()
852 compute_tt_budget(ehci->tt_budget, tt); in qh_schedule()
863 frame = ++ehci->random_frame & (qh->ps.bw_period - 1); in qh_schedule()
865 status = check_intr_schedule(ehci, in qh_schedule()
874 status = check_intr_schedule(ehci, 0, 0, qh, &c_mask, tt); in qh_schedule()
880 qh->ps.phase = (qh->ps.period ? ehci->random_frame & in qh_schedule()
889 hw->hw_info2 &= cpu_to_hc32(ehci, ~(QH_CMASK | QH_SMASK)); in qh_schedule()
890 hw->hw_info2 |= cpu_to_hc32(ehci, qh->ps.cs_mask); in qh_schedule()
891 reserve_release_intr_bandwidth(ehci, qh, 1); in qh_schedule()
898 struct ehci_hcd *ehci, in intr_submit() argument
912 spin_lock_irqsave(&ehci->lock, flags); in intr_submit()
914 if (unlikely(!HCD_HW_ACCESSIBLE(ehci_to_hcd(ehci)))) { in intr_submit()
918 status = usb_hcd_link_urb_to_ep(ehci_to_hcd(ehci), urb); in intr_submit()
924 qh = qh_append_tds(ehci, urb, &empty, epnum, &urb->ep->hcpriv); in intr_submit()
930 status = qh_schedule(ehci, qh); in intr_submit()
936 qh = qh_append_tds(ehci, urb, qtd_list, epnum, &urb->ep->hcpriv); in intr_submit()
941 qh_refresh(ehci, qh); in intr_submit()
942 qh_link_periodic(ehci, qh); in intr_submit()
945 cancel_unlink_wait_intr(ehci, qh); in intr_submit()
949 ehci_to_hcd(ehci)->self.bandwidth_int_reqs++; in intr_submit()
953 usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb); in intr_submit()
955 spin_unlock_irqrestore(&ehci->lock, flags); in intr_submit()
957 qtd_list_free(ehci, urb, qtd_list); in intr_submit()
962 static void scan_intr(struct ehci_hcd *ehci) in scan_intr() argument
966 list_for_each_entry_safe(qh, ehci->qh_scan_next, &ehci->intr_qh_list, in scan_intr()
980 temp = qh_completions(ehci, qh); in scan_intr()
982 start_unlink_intr(ehci, qh); in scan_intr()
985 start_unlink_intr_wait(ehci, qh); in scan_intr()
1011 struct ehci_hcd *ehci, in iso_stream_init() argument
1042 stream->buf0 = cpu_to_hc32(ehci, (epnum << 8) | dev->devnum); in iso_stream_init()
1043 stream->buf1 = cpu_to_hc32(ehci, buf1); in iso_stream_init()
1044 stream->buf2 = cpu_to_hc32(ehci, multi); in iso_stream_init()
1069 if (!ehci_is_TDI(ehci) in iso_stream_init()
1071 ehci_to_hcd(ehci)->self.root_hub)) in iso_stream_init()
1108 stream->address = cpu_to_hc32(ehci, addr); in iso_stream_init()
1119 iso_stream_find(struct ehci_hcd *ehci, struct urb *urb) in iso_stream_find() argument
1132 spin_lock_irqsave(&ehci->lock, flags); in iso_stream_find()
1139 iso_stream_init(ehci, stream, urb); in iso_stream_find()
1144 ehci_dbg(ehci, "dev %s ep%d%s, not iso??\n", in iso_stream_find()
1150 spin_unlock_irqrestore(&ehci->lock, flags); in iso_stream_find()
1174 struct ehci_hcd *ehci, in itd_sched_init() argument
1204 uframe->transaction = cpu_to_hc32(ehci, trans); in itd_sched_init()
1230 struct ehci_hcd *ehci, in itd_urb_transaction() argument
1246 itd_sched_init(ehci, sched, stream, urb); in itd_urb_transaction()
1254 spin_lock_irqsave(&ehci->lock, flags); in itd_urb_transaction()
1264 if (itd->frame == ehci->now_frame) in itd_urb_transaction()
1270 spin_unlock_irqrestore(&ehci->lock, flags); in itd_urb_transaction()
1271 itd = dma_pool_alloc(ehci->itd_pool, mem_flags, in itd_urb_transaction()
1273 spin_lock_irqsave(&ehci->lock, flags); in itd_urb_transaction()
1276 spin_unlock_irqrestore(&ehci->lock, flags); in itd_urb_transaction()
1286 spin_unlock_irqrestore(&ehci->lock, flags); in itd_urb_transaction()
1296 static void reserve_release_iso_bandwidth(struct ehci_hcd *ehci, in reserve_release_iso_bandwidth() argument
1311 bandwidth_dbg(ehci, sign, "iso", &stream->ps); in reserve_release_iso_bandwidth()
1322 ehci->bandwidth[i] += usecs; in reserve_release_iso_bandwidth()
1334 ehci->bandwidth[i+j] += usecs; in reserve_release_iso_bandwidth()
1336 ehci->bandwidth[i+j] += c_usecs; in reserve_release_iso_bandwidth()
1354 struct ehci_hcd *ehci, in itd_slot_ok() argument
1362 usecs = ehci->uframe_periodic_max - stream->ps.usecs; in itd_slot_ok()
1366 if (ehci->bandwidth[uframe] > usecs) in itd_slot_ok()
1374 struct ehci_hcd *ehci, in sitd_slot_ok() argument
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()
1420 max_used = ehci->uframe_periodic_max - stream->ps.usecs; in sitd_slot_ok()
1422 if (ehci->bandwidth[uf] > max_used) in sitd_slot_ok()
1428 max_used = ehci->uframe_periodic_max - in sitd_slot_ok()
1435 if (ehci->bandwidth[uf+i] > max_used) in sitd_slot_ok()
1444 stream->splits = cpu_to_hc32(ehci, stream->ps.cs_mask); in sitd_slot_ok()
1461 struct ehci_hcd *ehci, in iso_stream_schedule() argument
1469 unsigned mod = ehci->periodic_size << 3; in iso_stream_schedule()
1481 ehci_to_hcd(ehci), urb->ep))) { in iso_stream_schedule()
1492 compute_tt_budget(ehci->tt_budget, tt); in iso_stream_schedule()
1494 start = ((-(++ehci->random_frame)) << 3) & (period - 1); in iso_stream_schedule()
1507 if (itd_slot_ok(ehci, stream, start)) in iso_stream_schedule()
1512 if (sitd_slot_ok(ehci, stream, start, in iso_stream_schedule()
1520 ehci_dbg(ehci, "iso sched full %p", urb); in iso_stream_schedule()
1529 reserve_release_iso_bandwidth(ehci, stream, 1); in iso_stream_schedule()
1541 now = ehci_read_frame_index(ehci) & (mod - 1); in iso_stream_schedule()
1544 if (ehci->i_thresh) in iso_stream_schedule()
1545 next = now + ehci->i_thresh; /* uframe cache */ in iso_stream_schedule()
1550 if (ehci->isoc_count == 0) in iso_stream_schedule()
1551 ehci->last_iso_frame = now >> 3; in iso_stream_schedule()
1557 base = ehci->last_iso_frame << 3; in iso_stream_schedule()
1574 ehci_dbg(ehci, "request %p would overflow (%u-%u < %u mod %u)\n", in iso_stream_schedule()
1603 ehci_dbg(ehci, "iso underrun %p (%u+%u < %u) [%u]\n", in iso_stream_schedule()
1630 ehci_dbg(ehci, "request %p would overflow (%u+%u >= %u)\n", in iso_stream_schedule()
1654 itd_init(struct ehci_hcd *ehci, struct ehci_iso_stream *stream, in itd_init() argument
1660 itd->hw_next = EHCI_LIST_END(ehci); in itd_init()
1673 struct ehci_hcd *ehci, in itd_patch() argument
1689 itd->hw_transaction[uframe] |= cpu_to_hc32(ehci, pg << 12); in itd_patch()
1690 itd->hw_bufp[pg] |= cpu_to_hc32(ehci, uf->bufp & ~(u32)0); in itd_patch()
1691 itd->hw_bufp_hi[pg] |= cpu_to_hc32(ehci, (u32)(uf->bufp >> 32)); in itd_patch()
1698 itd->hw_bufp[pg] |= cpu_to_hc32(ehci, bufp & ~(u32)0); in itd_patch()
1699 itd->hw_bufp_hi[pg] |= cpu_to_hc32(ehci, (u32)(bufp >> 32)); in itd_patch()
1704 itd_link(struct ehci_hcd *ehci, unsigned frame, struct ehci_itd *itd) in itd_link() argument
1706 union ehci_shadow *prev = &ehci->pshadow[frame]; in itd_link()
1707 __hc32 *hw_p = &ehci->periodic[frame]; in itd_link()
1713 type = Q_NEXT_TYPE(ehci, *hw_p); in itd_link()
1714 if (type == cpu_to_hc32(ehci, Q_TYPE_QH)) in itd_link()
1716 prev = periodic_next_shadow(ehci, prev, type); in itd_link()
1717 hw_p = shadow_next_periodic(ehci, &here, type); in itd_link()
1726 *hw_p = cpu_to_hc32(ehci, itd->itd_dma | Q_TYPE_ITD); in itd_link()
1731 struct ehci_hcd *ehci, in itd_link_urb() argument
1745 ehci_to_hcd(ehci)->self.bandwidth_allocated in itd_link_urb()
1748 if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) { in itd_link_urb()
1749 if (ehci->amd_pll_fix == 1) in itd_link_urb()
1753 ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs++; in itd_link_urb()
1769 itd_init(ehci, stream, itd); in itd_link_urb()
1775 itd_patch(ehci, itd, iso_sched, packet, uframe); in itd_link_urb()
1784 itd_link(ehci, frame & (ehci->periodic_size - 1), itd); in itd_link_urb()
1794 ++ehci->isoc_count; in itd_link_urb()
1795 enable_periodic(ehci); in itd_link_urb()
1810 static bool itd_complete(struct ehci_hcd *ehci, struct ehci_itd *itd) in itd_complete() argument
1827 t = hc32_to_cpup(ehci, &itd->hw_transaction[uframe]); in itd_complete()
1868 ehci_urb_done(ehci, urb, 0); in itd_complete()
1872 --ehci->isoc_count; in itd_complete()
1873 disable_periodic(ehci); in itd_complete()
1875 ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs--; in itd_complete()
1876 if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) { in itd_complete()
1877 if (ehci->amd_pll_fix == 1) in itd_complete()
1882 ehci_to_hcd(ehci)->self.bandwidth_allocated in itd_complete()
1894 &ehci->cached_itd_list); in itd_complete()
1895 start_free_itds(ehci); in itd_complete()
1903 static int itd_submit(struct ehci_hcd *ehci, struct urb *urb, in itd_submit() argument
1911 stream = iso_stream_find(ehci, urb); in itd_submit()
1913 ehci_dbg(ehci, "can't get iso stream\n"); in itd_submit()
1917 ehci_dbg(ehci, "can't change iso interval %d --> %d\n", in itd_submit()
1923 ehci_dbg(ehci, in itd_submit()
1934 status = itd_urb_transaction(stream, ehci, urb, mem_flags); in itd_submit()
1936 ehci_dbg(ehci, "can't init itds\n"); in itd_submit()
1941 spin_lock_irqsave(&ehci->lock, flags); in itd_submit()
1942 if (unlikely(!HCD_HW_ACCESSIBLE(ehci_to_hcd(ehci)))) { in itd_submit()
1946 status = usb_hcd_link_urb_to_ep(ehci_to_hcd(ehci), urb); in itd_submit()
1949 status = iso_stream_schedule(ehci, urb, stream); in itd_submit()
1951 itd_link_urb(ehci, urb, ehci->periodic_size << 3, stream); in itd_submit()
1954 ehci_urb_done(ehci, urb, 0); in itd_submit()
1956 usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb); in itd_submit()
1959 spin_unlock_irqrestore(&ehci->lock, flags); in itd_submit()
1973 struct ehci_hcd *ehci, in sitd_sched_init() argument
2002 packet->transaction = cpu_to_hc32(ehci, trans); in sitd_sched_init()
2023 struct ehci_hcd *ehci, in sitd_urb_transaction() argument
2038 sitd_sched_init(ehci, iso_sched, stream, urb); in sitd_urb_transaction()
2041 spin_lock_irqsave(&ehci->lock, flags); in sitd_urb_transaction()
2056 if (sitd->frame == ehci->now_frame) in sitd_urb_transaction()
2062 spin_unlock_irqrestore(&ehci->lock, flags); in sitd_urb_transaction()
2063 sitd = dma_pool_alloc(ehci->sitd_pool, mem_flags, in sitd_urb_transaction()
2065 spin_lock_irqsave(&ehci->lock, flags); in sitd_urb_transaction()
2068 spin_unlock_irqrestore(&ehci->lock, flags); in sitd_urb_transaction()
2083 spin_unlock_irqrestore(&ehci->lock, flags); in sitd_urb_transaction()
2091 struct ehci_hcd *ehci, in sitd_patch() argument
2101 sitd->hw_next = EHCI_LIST_END(ehci); in sitd_patch()
2105 sitd->hw_backpointer = EHCI_LIST_END(ehci); in sitd_patch()
2108 sitd->hw_buf[0] = cpu_to_hc32(ehci, bufp); in sitd_patch()
2109 sitd->hw_buf_hi[0] = cpu_to_hc32(ehci, bufp >> 32); in sitd_patch()
2111 sitd->hw_buf[1] = cpu_to_hc32(ehci, uf->buf1); in sitd_patch()
2114 sitd->hw_buf_hi[1] = cpu_to_hc32(ehci, bufp >> 32); in sitd_patch()
2119 sitd_link(struct ehci_hcd *ehci, unsigned frame, struct ehci_sitd *sitd) in sitd_link() argument
2122 sitd->sitd_next = ehci->pshadow[frame]; in sitd_link()
2123 sitd->hw_next = ehci->periodic[frame]; in sitd_link()
2124 ehci->pshadow[frame].sitd = sitd; in sitd_link()
2127 ehci->periodic[frame] = cpu_to_hc32(ehci, sitd->sitd_dma | Q_TYPE_SITD); in sitd_link()
2132 struct ehci_hcd *ehci, in sitd_link_urb() argument
2147 ehci_to_hcd(ehci)->self.bandwidth_allocated in sitd_link_urb()
2150 if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) { in sitd_link_urb()
2151 if (ehci->amd_pll_fix == 1) in sitd_link_urb()
2155 ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs++; in sitd_link_urb()
2173 sitd_patch(ehci, stream, sitd, sched, packet); in sitd_link_urb()
2174 sitd_link(ehci, (next_uframe >> 3) & (ehci->periodic_size - 1), in sitd_link_urb()
2185 ++ehci->isoc_count; in sitd_link_urb()
2186 enable_periodic(ehci); in sitd_link_urb()
2204 static bool sitd_complete(struct ehci_hcd *ehci, struct ehci_sitd *sitd) in sitd_complete() argument
2215 t = hc32_to_cpup(ehci, &sitd->hw_results); in sitd_complete()
2248 ehci_urb_done(ehci, urb, 0); in sitd_complete()
2252 --ehci->isoc_count; in sitd_complete()
2253 disable_periodic(ehci); in sitd_complete()
2255 ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs--; in sitd_complete()
2256 if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) { in sitd_complete()
2257 if (ehci->amd_pll_fix == 1) in sitd_complete()
2262 ehci_to_hcd(ehci)->self.bandwidth_allocated in sitd_complete()
2274 &ehci->cached_sitd_list); in sitd_complete()
2275 start_free_itds(ehci); in sitd_complete()
2282 static int sitd_submit(struct ehci_hcd *ehci, struct urb *urb, in sitd_submit() argument
2290 stream = iso_stream_find(ehci, urb); in sitd_submit()
2292 ehci_dbg(ehci, "can't get iso stream\n"); in sitd_submit()
2296 ehci_dbg(ehci, "can't change iso interval %d --> %d\n", in sitd_submit()
2302 ehci_dbg(ehci, in sitd_submit()
2311 status = sitd_urb_transaction(stream, ehci, urb, mem_flags); in sitd_submit()
2313 ehci_dbg(ehci, "can't init sitds\n"); in sitd_submit()
2318 spin_lock_irqsave(&ehci->lock, flags); in sitd_submit()
2319 if (unlikely(!HCD_HW_ACCESSIBLE(ehci_to_hcd(ehci)))) { in sitd_submit()
2323 status = usb_hcd_link_urb_to_ep(ehci_to_hcd(ehci), urb); in sitd_submit()
2326 status = iso_stream_schedule(ehci, urb, stream); in sitd_submit()
2328 sitd_link_urb(ehci, urb, ehci->periodic_size << 3, stream); in sitd_submit()
2331 ehci_urb_done(ehci, urb, 0); in sitd_submit()
2333 usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb); in sitd_submit()
2336 spin_unlock_irqrestore(&ehci->lock, flags); in sitd_submit()
2343 static void scan_isoc(struct ehci_hcd *ehci) in scan_isoc() argument
2346 unsigned fmask = ehci->periodic_size - 1; in scan_isoc()
2356 if (ehci->rh_state >= EHCI_RH_RUNNING) { in scan_isoc()
2357 uf = ehci_read_frame_index(ehci); in scan_isoc()
2361 now_frame = (ehci->last_iso_frame - 1) & fmask; in scan_isoc()
2364 ehci->now_frame = now_frame; in scan_isoc()
2366 frame = ehci->last_iso_frame; in scan_isoc()
2370 q_p = &ehci->pshadow[frame]; in scan_isoc()
2371 hw_p = &ehci->periodic[frame]; in scan_isoc()
2373 type = Q_NEXT_TYPE(ehci, *hw_p); in scan_isoc()
2377 switch (hc32_to_cpu(ehci, type)) { in scan_isoc()
2389 ITD_ACTIVE(ehci)) in scan_isoc()
2395 type = Q_NEXT_TYPE(ehci, in scan_isoc()
2409 if (!ehci->use_dummy_qh || in scan_isoc()
2410 q.itd->hw_next != EHCI_LIST_END(ehci)) in scan_isoc()
2413 *hw_p = cpu_to_hc32(ehci, ehci->dummy->qh_dma); in scan_isoc()
2414 type = Q_NEXT_TYPE(ehci, q.itd->hw_next); in scan_isoc()
2416 modified = itd_complete(ehci, q.itd); in scan_isoc()
2429 && (q.sitd->hw_results & SITD_ACTIVE(ehci))) { in scan_isoc()
2433 type = Q_NEXT_TYPE(ehci, q.sitd->hw_next); in scan_isoc()
2444 if (!ehci->use_dummy_qh || in scan_isoc()
2445 q.sitd->hw_next != EHCI_LIST_END(ehci)) in scan_isoc()
2448 *hw_p = cpu_to_hc32(ehci, ehci->dummy->qh_dma); in scan_isoc()
2449 type = Q_NEXT_TYPE(ehci, q.sitd->hw_next); in scan_isoc()
2451 modified = sitd_complete(ehci, q.sitd); in scan_isoc()
2455 ehci_dbg(ehci, "corrupt type %d frame %d shadow %p\n", in scan_isoc()
2467 if (unlikely(modified && ehci->isoc_count > 0)) in scan_isoc()
2476 ehci->last_iso_frame = frame; in scan_isoc()