Lines Matching refs:ehci
45 periodic_next_shadow(struct ehci_hcd *ehci, union ehci_shadow *periodic, in periodic_next_shadow() argument
48 switch (hc32_to_cpu(ehci, tag)) { in periodic_next_shadow()
62 shadow_next_periodic(struct ehci_hcd *ehci, union ehci_shadow *periodic, in shadow_next_periodic() argument
65 switch (hc32_to_cpu(ehci, tag)) { in shadow_next_periodic()
76 static void periodic_unlink (struct ehci_hcd *ehci, unsigned frame, void *ptr) in periodic_unlink() argument
78 union ehci_shadow *prev_p = &ehci->pshadow[frame]; in periodic_unlink()
79 __hc32 *hw_p = &ehci->periodic[frame]; in periodic_unlink()
84 prev_p = periodic_next_shadow(ehci, prev_p, in periodic_unlink()
85 Q_NEXT_TYPE(ehci, *hw_p)); in periodic_unlink()
86 hw_p = shadow_next_periodic(ehci, &here, in periodic_unlink()
87 Q_NEXT_TYPE(ehci, *hw_p)); in periodic_unlink()
97 *prev_p = *periodic_next_shadow(ehci, &here, in periodic_unlink()
98 Q_NEXT_TYPE(ehci, *hw_p)); in periodic_unlink()
100 if (!ehci->use_dummy_qh || in periodic_unlink()
101 *shadow_next_periodic(ehci, &here, Q_NEXT_TYPE(ehci, *hw_p)) in periodic_unlink()
102 != EHCI_LIST_END(ehci)) in periodic_unlink()
103 *hw_p = *shadow_next_periodic(ehci, &here, in periodic_unlink()
104 Q_NEXT_TYPE(ehci, *hw_p)); in periodic_unlink()
106 *hw_p = cpu_to_hc32(ehci, ehci->dummy->qh_dma); in periodic_unlink()
149 struct ehci_hcd *ehci = in find_tt() local
160 list_add_tail(&tt->tt_list, &ehci->tt_list); in find_tt()
206 static void bandwidth_dbg(struct ehci_hcd *ehci, int sign, char *type, in bandwidth_dbg() argument
218 static void reserve_release_intr_bandwidth(struct ehci_hcd *ehci, in reserve_release_intr_bandwidth() argument
232 bandwidth_dbg(ehci, sign, "intr", &qh->ps); in reserve_release_intr_bandwidth()
243 ehci->bandwidth[i] += usecs; in reserve_release_intr_bandwidth()
252 ehci->bandwidth[i+j] += c_usecs; in reserve_release_intr_bandwidth()
331 static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __hc32 mask) in tt_start_uframe() argument
333 unsigned char smask = QH_SMASK & hc32_to_cpu(ehci, mask); in tt_start_uframe()
335 ehci_err(ehci, "invalid empty smask!\n"); in tt_start_uframe()
379 struct ehci_hcd *ehci, in tt_available() argument
402 tt_usecs[i] = ehci->tt_budget[uf]; in tt_available()
439 struct ehci_hcd *ehci, in tt_no_collision() argument
453 for (; frame < ehci->periodic_size; frame += period) { in tt_no_collision()
458 here = ehci->pshadow [frame]; in tt_no_collision()
459 type = Q_NEXT_TYPE(ehci, ehci->periodic [frame]); in tt_no_collision()
461 switch (hc32_to_cpu(ehci, type)) { in tt_no_collision()
463 type = Q_NEXT_TYPE(ehci, here.itd->hw_next); in tt_no_collision()
471 mask = hc32_to_cpu(ehci, in tt_no_collision()
478 type = Q_NEXT_TYPE(ehci, hw->hw_next); in tt_no_collision()
485 mask = hc32_to_cpu(ehci, here.sitd in tt_no_collision()
492 type = Q_NEXT_TYPE(ehci, here.sitd->hw_next); in tt_no_collision()
497 ehci_dbg (ehci, in tt_no_collision()
515 static void enable_periodic(struct ehci_hcd *ehci) in enable_periodic() argument
517 if (ehci->periodic_count++) in enable_periodic()
521 ehci->enabled_hrtimer_events &= ~BIT(EHCI_HRTIMER_DISABLE_PERIODIC); in enable_periodic()
524 ehci_poll_PSS(ehci); in enable_periodic()
525 turn_on_io_watchdog(ehci); in enable_periodic()
528 static void disable_periodic(struct ehci_hcd *ehci) in disable_periodic() argument
530 if (--ehci->periodic_count) in disable_periodic()
534 ehci_poll_PSS(ehci); in disable_periodic()
545 static void qh_link_periodic(struct ehci_hcd *ehci, struct ehci_qh *qh) in qh_link_periodic() argument
552 period, hc32_to_cpup(ehci, &qh->hw->hw_info2) in qh_link_periodic()
560 for (i = qh->ps.phase; i < ehci->periodic_size; i += period) { in qh_link_periodic()
561 union ehci_shadow *prev = &ehci->pshadow[i]; in qh_link_periodic()
562 __hc32 *hw_p = &ehci->periodic[i]; in qh_link_periodic()
568 type = Q_NEXT_TYPE(ehci, *hw_p); in qh_link_periodic()
569 if (type == cpu_to_hc32(ehci, Q_TYPE_QH)) in qh_link_periodic()
571 prev = periodic_next_shadow(ehci, prev, type); in qh_link_periodic()
572 hw_p = shadow_next_periodic(ehci, &here, type); in qh_link_periodic()
593 *hw_p = QH_NEXT (ehci, qh->qh_dma); in qh_link_periodic()
601 ehci_to_hcd(ehci)->self.bandwidth_allocated += qh->ps.bw_period in qh_link_periodic()
605 list_add(&qh->intr_node, &ehci->intr_qh_list); in qh_link_periodic()
608 ++ehci->intr_count; in qh_link_periodic()
609 enable_periodic(ehci); in qh_link_periodic()
612 static void qh_unlink_periodic(struct ehci_hcd *ehci, struct ehci_qh *qh) in qh_unlink_periodic() argument
635 for (i = qh->ps.phase; i < ehci->periodic_size; i += period) in qh_unlink_periodic()
636 periodic_unlink (ehci, i, qh); in qh_unlink_periodic()
639 ehci_to_hcd(ehci)->self.bandwidth_allocated -= qh->ps.bw_period in qh_unlink_periodic()
646 hc32_to_cpup(ehci, &qh->hw->hw_info2) & (QH_CMASK | QH_SMASK), in qh_unlink_periodic()
653 if (ehci->qh_scan_next == qh) in qh_unlink_periodic()
654 ehci->qh_scan_next = list_entry(qh->intr_node.next, in qh_unlink_periodic()
659 static void cancel_unlink_wait_intr(struct ehci_hcd *ehci, struct ehci_qh *qh) in cancel_unlink_wait_intr() argument
673 static void start_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh) in start_unlink_intr() argument
680 cancel_unlink_wait_intr(ehci, qh); in start_unlink_intr()
682 qh_unlink_periodic (ehci, qh); in start_unlink_intr()
692 qh->unlink_cycle = ehci->intr_unlink_cycle; in start_unlink_intr()
695 list_add_tail(&qh->unlink_node, &ehci->intr_unlink); in start_unlink_intr()
697 if (ehci->intr_unlinking) in start_unlink_intr()
699 else if (ehci->rh_state < EHCI_RH_RUNNING) in start_unlink_intr()
700 ehci_handle_intr_unlinks(ehci); in start_unlink_intr()
701 else if (ehci->intr_unlink.next == &qh->unlink_node) { in start_unlink_intr()
702 ehci_enable_event(ehci, EHCI_HRTIMER_UNLINK_INTR, true); in start_unlink_intr()
703 ++ehci->intr_unlink_cycle; in start_unlink_intr()
712 static void start_unlink_intr_wait(struct ehci_hcd *ehci, in start_unlink_intr_wait() argument
715 qh->unlink_cycle = ehci->intr_unlink_wait_cycle; in start_unlink_intr_wait()
718 list_add_tail(&qh->unlink_node, &ehci->intr_unlink_wait); in start_unlink_intr_wait()
720 if (ehci->rh_state < EHCI_RH_RUNNING) in start_unlink_intr_wait()
721 ehci_handle_start_intr_unlinks(ehci); in start_unlink_intr_wait()
722 else if (ehci->intr_unlink_wait.next == &qh->unlink_node) { in start_unlink_intr_wait()
723 ehci_enable_event(ehci, EHCI_HRTIMER_START_UNLINK_INTR, true); in start_unlink_intr_wait()
724 ++ehci->intr_unlink_wait_cycle; in start_unlink_intr_wait()
728 static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh) in end_unlink_intr() argument
734 hw->hw_next = EHCI_LIST_END(ehci); in end_unlink_intr()
737 qh_completions(ehci, qh); in end_unlink_intr()
740 if (!list_empty(&qh->qtd_list) && ehci->rh_state == EHCI_RH_RUNNING) { in end_unlink_intr()
741 rc = qh_schedule(ehci, qh); in end_unlink_intr()
743 qh_refresh(ehci, qh); in end_unlink_intr()
744 qh_link_periodic(ehci, qh); in end_unlink_intr()
754 ehci_err(ehci, "can't reschedule qh %p, err %d\n", in end_unlink_intr()
760 --ehci->intr_count; in end_unlink_intr()
761 disable_periodic(ehci); in end_unlink_intr()
767 struct ehci_hcd *ehci, in check_period() argument
780 usecs = ehci->uframe_periodic_max - usecs; in check_period()
784 if (ehci->bandwidth[uframe] > usecs) in check_period()
793 struct ehci_hcd *ehci, in check_intr_schedule() argument
807 if (!check_period(ehci, frame, uframe, qh->ps.bw_uperiod, qh->ps.usecs)) in check_intr_schedule()
816 if (tt_available(ehci, &qh->ps, tt, frame, uframe)) { in check_intr_schedule()
821 if (!check_period(ehci, frame, i, in check_intr_schedule()
843 if (tt_no_collision(ehci, qh->ps.bw_period, qh->ps.udev, frame, mask)) { in check_intr_schedule()
844 if (!check_period(ehci, frame, uframe + qh->gap_uf + 1, in check_intr_schedule()
847 if (!check_period(ehci, frame, uframe + qh->gap_uf, in check_intr_schedule()
860 static int qh_schedule(struct ehci_hcd *ehci, struct ehci_qh *qh) in qh_schedule() argument
868 hw->hw_next = EHCI_LIST_END(ehci); in qh_schedule()
872 ehci_dbg(ehci, "reused qh %p schedule\n", qh); in qh_schedule()
883 compute_tt_budget(ehci->tt_budget, tt); in qh_schedule()
894 frame = ++ehci->random_frame & (qh->ps.bw_period - 1); in qh_schedule()
896 status = check_intr_schedule(ehci, in qh_schedule()
905 status = check_intr_schedule(ehci, 0, 0, qh, &c_mask, tt); in qh_schedule()
911 qh->ps.phase = (qh->ps.period ? ehci->random_frame & in qh_schedule()
920 hw->hw_info2 &= cpu_to_hc32(ehci, ~(QH_CMASK | QH_SMASK)); in qh_schedule()
921 hw->hw_info2 |= cpu_to_hc32(ehci, qh->ps.cs_mask); in qh_schedule()
922 reserve_release_intr_bandwidth(ehci, qh, 1); in qh_schedule()
929 struct ehci_hcd *ehci, in intr_submit() argument
943 spin_lock_irqsave (&ehci->lock, flags); in intr_submit()
945 if (unlikely(!HCD_HW_ACCESSIBLE(ehci_to_hcd(ehci)))) { in intr_submit()
949 status = usb_hcd_link_urb_to_ep(ehci_to_hcd(ehci), urb); in intr_submit()
955 qh = qh_append_tds(ehci, urb, &empty, epnum, &urb->ep->hcpriv); in intr_submit()
961 if ((status = qh_schedule (ehci, qh)) != 0) in intr_submit()
966 qh = qh_append_tds(ehci, urb, qtd_list, epnum, &urb->ep->hcpriv); in intr_submit()
971 qh_refresh(ehci, qh); in intr_submit()
972 qh_link_periodic(ehci, qh); in intr_submit()
975 cancel_unlink_wait_intr(ehci, qh); in intr_submit()
979 ehci_to_hcd(ehci)->self.bandwidth_int_reqs++; in intr_submit()
983 usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb); in intr_submit()
985 spin_unlock_irqrestore (&ehci->lock, flags); in intr_submit()
987 qtd_list_free (ehci, urb, qtd_list); in intr_submit()
992 static void scan_intr(struct ehci_hcd *ehci) in scan_intr() argument
996 list_for_each_entry_safe(qh, ehci->qh_scan_next, &ehci->intr_qh_list, in scan_intr()
1010 temp = qh_completions(ehci, qh); in scan_intr()
1012 start_unlink_intr(ehci, qh); in scan_intr()
1015 start_unlink_intr_wait(ehci, qh); in scan_intr()
1041 struct ehci_hcd *ehci, in iso_stream_init() argument
1077 stream->buf0 = cpu_to_hc32(ehci, (epnum << 8) | dev->devnum); in iso_stream_init()
1078 stream->buf1 = cpu_to_hc32(ehci, buf1); in iso_stream_init()
1079 stream->buf2 = cpu_to_hc32(ehci, multi); in iso_stream_init()
1104 if (!ehci_is_TDI(ehci) in iso_stream_init()
1106 ehci_to_hcd(ehci)->self.root_hub)) in iso_stream_init()
1143 stream->address = cpu_to_hc32(ehci, addr); in iso_stream_init()
1154 iso_stream_find (struct ehci_hcd *ehci, struct urb *urb) in iso_stream_find() argument
1167 spin_lock_irqsave (&ehci->lock, flags); in iso_stream_find()
1174 iso_stream_init(ehci, stream, urb); in iso_stream_find()
1179 ehci_dbg (ehci, "dev %s ep%d%s, not iso??\n", in iso_stream_find()
1185 spin_unlock_irqrestore (&ehci->lock, flags); in iso_stream_find()
1209 struct ehci_hcd *ehci, in itd_sched_init() argument
1239 uframe->transaction = cpu_to_hc32(ehci, trans); in itd_sched_init()
1265 struct ehci_hcd *ehci, in itd_urb_transaction() argument
1281 itd_sched_init(ehci, sched, stream, urb); in itd_urb_transaction()
1289 spin_lock_irqsave (&ehci->lock, flags); in itd_urb_transaction()
1299 if (itd->frame == ehci->now_frame) in itd_urb_transaction()
1305 spin_unlock_irqrestore (&ehci->lock, flags); in itd_urb_transaction()
1306 itd = dma_pool_alloc (ehci->itd_pool, mem_flags, in itd_urb_transaction()
1308 spin_lock_irqsave (&ehci->lock, flags); in itd_urb_transaction()
1311 spin_unlock_irqrestore(&ehci->lock, flags); in itd_urb_transaction()
1321 spin_unlock_irqrestore (&ehci->lock, flags); in itd_urb_transaction()
1331 static void reserve_release_iso_bandwidth(struct ehci_hcd *ehci, in reserve_release_iso_bandwidth() argument
1346 bandwidth_dbg(ehci, sign, "iso", &stream->ps); in reserve_release_iso_bandwidth()
1357 ehci->bandwidth[i] += usecs; in reserve_release_iso_bandwidth()
1369 ehci->bandwidth[i+j] += usecs; in reserve_release_iso_bandwidth()
1371 ehci->bandwidth[i+j] += c_usecs; in reserve_release_iso_bandwidth()
1389 struct ehci_hcd *ehci, in itd_slot_ok() argument
1397 usecs = ehci->uframe_periodic_max - stream->ps.usecs; in itd_slot_ok()
1401 if (ehci->bandwidth[uframe] > usecs) in itd_slot_ok()
1409 struct ehci_hcd *ehci, in sitd_slot_ok() argument
1438 if (!tt_available(ehci, &stream->ps, tt, frame, uf)) in sitd_slot_ok()
1444 if (!tt_no_collision(ehci, stream->ps.bw_period, in sitd_slot_ok()
1455 max_used = ehci->uframe_periodic_max - stream->ps.usecs; in sitd_slot_ok()
1457 if (ehci->bandwidth[uf] > max_used) in sitd_slot_ok()
1463 max_used = ehci->uframe_periodic_max - in sitd_slot_ok()
1470 if (ehci->bandwidth[uf+i] > max_used) in sitd_slot_ok()
1479 stream->splits = cpu_to_hc32(ehci, stream->ps.cs_mask); in sitd_slot_ok()
1496 struct ehci_hcd *ehci, in iso_stream_schedule() argument
1504 unsigned mod = ehci->periodic_size << 3; in iso_stream_schedule()
1516 ehci_to_hcd(ehci), urb->ep))) { in iso_stream_schedule()
1527 compute_tt_budget(ehci->tt_budget, tt); in iso_stream_schedule()
1529 start = ((-(++ehci->random_frame)) << 3) & (period - 1); in iso_stream_schedule()
1542 if (itd_slot_ok(ehci, stream, start)) in iso_stream_schedule()
1547 if (sitd_slot_ok(ehci, stream, start, in iso_stream_schedule()
1555 ehci_dbg(ehci, "iso sched full %p", urb); in iso_stream_schedule()
1564 reserve_release_iso_bandwidth(ehci, stream, 1); in iso_stream_schedule()
1576 now = ehci_read_frame_index(ehci) & (mod - 1); in iso_stream_schedule()
1579 if (ehci->i_thresh) in iso_stream_schedule()
1580 next = now + ehci->i_thresh; /* uframe cache */ in iso_stream_schedule()
1585 if (ehci->isoc_count == 0) in iso_stream_schedule()
1586 ehci->last_iso_frame = now >> 3; in iso_stream_schedule()
1592 base = ehci->last_iso_frame << 3; in iso_stream_schedule()
1609 ehci_dbg(ehci, "request %p would overflow (%u-%u < %u mod %u)\n", in iso_stream_schedule()
1638 ehci_dbg(ehci, "iso underrun %p (%u+%u < %u) [%u]\n", in iso_stream_schedule()
1665 ehci_dbg(ehci, "request %p would overflow (%u+%u >= %u)\n", in iso_stream_schedule()
1689 itd_init(struct ehci_hcd *ehci, struct ehci_iso_stream *stream, in itd_init() argument
1695 itd->hw_next = EHCI_LIST_END(ehci); in itd_init()
1708 struct ehci_hcd *ehci, in itd_patch() argument
1724 itd->hw_transaction[uframe] |= cpu_to_hc32(ehci, pg << 12); in itd_patch()
1725 itd->hw_bufp[pg] |= cpu_to_hc32(ehci, uf->bufp & ~(u32)0); in itd_patch()
1726 itd->hw_bufp_hi[pg] |= cpu_to_hc32(ehci, (u32)(uf->bufp >> 32)); in itd_patch()
1733 itd->hw_bufp[pg] |= cpu_to_hc32(ehci, bufp & ~(u32)0); in itd_patch()
1734 itd->hw_bufp_hi[pg] |= cpu_to_hc32(ehci, (u32)(bufp >> 32)); in itd_patch()
1739 itd_link (struct ehci_hcd *ehci, unsigned frame, struct ehci_itd *itd) in itd_link() argument
1741 union ehci_shadow *prev = &ehci->pshadow[frame]; in itd_link()
1742 __hc32 *hw_p = &ehci->periodic[frame]; in itd_link()
1748 type = Q_NEXT_TYPE(ehci, *hw_p); in itd_link()
1749 if (type == cpu_to_hc32(ehci, Q_TYPE_QH)) in itd_link()
1751 prev = periodic_next_shadow(ehci, prev, type); in itd_link()
1752 hw_p = shadow_next_periodic(ehci, &here, type); in itd_link()
1761 *hw_p = cpu_to_hc32(ehci, itd->itd_dma | Q_TYPE_ITD); in itd_link()
1766 struct ehci_hcd *ehci, in itd_link_urb() argument
1780 ehci_to_hcd(ehci)->self.bandwidth_allocated in itd_link_urb()
1783 if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) { in itd_link_urb()
1784 if (ehci->amd_pll_fix == 1) in itd_link_urb()
1788 ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs++; in itd_link_urb()
1804 itd_init (ehci, stream, itd); in itd_link_urb()
1810 itd_patch(ehci, itd, iso_sched, packet, uframe); in itd_link_urb()
1819 itd_link(ehci, frame & (ehci->periodic_size - 1), itd); in itd_link_urb()
1829 ++ehci->isoc_count; in itd_link_urb()
1830 enable_periodic(ehci); in itd_link_urb()
1845 static bool itd_complete(struct ehci_hcd *ehci, struct ehci_itd *itd) in itd_complete() argument
1863 t = hc32_to_cpup(ehci, &itd->hw_transaction [uframe]); in itd_complete()
1904 ehci_urb_done(ehci, urb, 0); in itd_complete()
1908 --ehci->isoc_count; in itd_complete()
1909 disable_periodic(ehci); in itd_complete()
1911 ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs--; in itd_complete()
1912 if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) { in itd_complete()
1913 if (ehci->amd_pll_fix == 1) in itd_complete()
1918 ehci_to_hcd(ehci)->self.bandwidth_allocated in itd_complete()
1930 &ehci->cached_itd_list); in itd_complete()
1931 start_free_itds(ehci); in itd_complete()
1939 static int itd_submit (struct ehci_hcd *ehci, struct urb *urb, in itd_submit() argument
1947 stream = iso_stream_find (ehci, urb); in itd_submit()
1949 ehci_dbg (ehci, "can't get iso stream\n"); in itd_submit()
1953 ehci_dbg (ehci, "can't change iso interval %d --> %d\n", in itd_submit()
1959 ehci_dbg (ehci, in itd_submit()
1970 status = itd_urb_transaction (stream, ehci, urb, mem_flags); in itd_submit()
1972 ehci_dbg (ehci, "can't init itds\n"); in itd_submit()
1977 spin_lock_irqsave (&ehci->lock, flags); in itd_submit()
1978 if (unlikely(!HCD_HW_ACCESSIBLE(ehci_to_hcd(ehci)))) { in itd_submit()
1982 status = usb_hcd_link_urb_to_ep(ehci_to_hcd(ehci), urb); in itd_submit()
1985 status = iso_stream_schedule(ehci, urb, stream); in itd_submit()
1987 itd_link_urb (ehci, urb, ehci->periodic_size << 3, stream); in itd_submit()
1990 ehci_urb_done(ehci, urb, 0); in itd_submit()
1992 usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb); in itd_submit()
1995 spin_unlock_irqrestore (&ehci->lock, flags); in itd_submit()
2009 struct ehci_hcd *ehci, in sitd_sched_init() argument
2038 packet->transaction = cpu_to_hc32(ehci, trans); in sitd_sched_init()
2059 struct ehci_hcd *ehci, in sitd_urb_transaction() argument
2074 sitd_sched_init(ehci, iso_sched, stream, urb); in sitd_urb_transaction()
2077 spin_lock_irqsave (&ehci->lock, flags); in sitd_urb_transaction()
2092 if (sitd->frame == ehci->now_frame) in sitd_urb_transaction()
2098 spin_unlock_irqrestore (&ehci->lock, flags); in sitd_urb_transaction()
2099 sitd = dma_pool_alloc (ehci->sitd_pool, mem_flags, in sitd_urb_transaction()
2101 spin_lock_irqsave (&ehci->lock, flags); in sitd_urb_transaction()
2104 spin_unlock_irqrestore(&ehci->lock, flags); in sitd_urb_transaction()
2119 spin_unlock_irqrestore (&ehci->lock, flags); in sitd_urb_transaction()
2127 struct ehci_hcd *ehci, in sitd_patch() argument
2137 sitd->hw_next = EHCI_LIST_END(ehci); in sitd_patch()
2141 sitd->hw_backpointer = EHCI_LIST_END(ehci); in sitd_patch()
2144 sitd->hw_buf[0] = cpu_to_hc32(ehci, bufp); in sitd_patch()
2145 sitd->hw_buf_hi[0] = cpu_to_hc32(ehci, bufp >> 32); in sitd_patch()
2147 sitd->hw_buf[1] = cpu_to_hc32(ehci, uf->buf1); in sitd_patch()
2150 sitd->hw_buf_hi[1] = cpu_to_hc32(ehci, bufp >> 32); in sitd_patch()
2155 sitd_link (struct ehci_hcd *ehci, unsigned frame, struct ehci_sitd *sitd) in sitd_link() argument
2158 sitd->sitd_next = ehci->pshadow [frame]; in sitd_link()
2159 sitd->hw_next = ehci->periodic [frame]; in sitd_link()
2160 ehci->pshadow [frame].sitd = sitd; in sitd_link()
2163 ehci->periodic[frame] = cpu_to_hc32(ehci, sitd->sitd_dma | Q_TYPE_SITD); in sitd_link()
2168 struct ehci_hcd *ehci, in sitd_link_urb() argument
2183 ehci_to_hcd(ehci)->self.bandwidth_allocated in sitd_link_urb()
2186 if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) { in sitd_link_urb()
2187 if (ehci->amd_pll_fix == 1) in sitd_link_urb()
2191 ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs++; in sitd_link_urb()
2209 sitd_patch(ehci, stream, sitd, sched, packet); in sitd_link_urb()
2210 sitd_link(ehci, (next_uframe >> 3) & (ehci->periodic_size - 1), in sitd_link_urb()
2221 ++ehci->isoc_count; in sitd_link_urb()
2222 enable_periodic(ehci); in sitd_link_urb()
2240 static bool sitd_complete(struct ehci_hcd *ehci, struct ehci_sitd *sitd) in sitd_complete() argument
2252 t = hc32_to_cpup(ehci, &sitd->hw_results); in sitd_complete()
2285 ehci_urb_done(ehci, urb, 0); in sitd_complete()
2289 --ehci->isoc_count; in sitd_complete()
2290 disable_periodic(ehci); in sitd_complete()
2292 ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs--; in sitd_complete()
2293 if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) { in sitd_complete()
2294 if (ehci->amd_pll_fix == 1) in sitd_complete()
2299 ehci_to_hcd(ehci)->self.bandwidth_allocated in sitd_complete()
2311 &ehci->cached_sitd_list); in sitd_complete()
2312 start_free_itds(ehci); in sitd_complete()
2319 static int sitd_submit (struct ehci_hcd *ehci, struct urb *urb, in sitd_submit() argument
2327 stream = iso_stream_find (ehci, urb); in sitd_submit()
2329 ehci_dbg (ehci, "can't get iso stream\n"); in sitd_submit()
2333 ehci_dbg (ehci, "can't change iso interval %d --> %d\n", in sitd_submit()
2339 ehci_dbg (ehci, in sitd_submit()
2348 status = sitd_urb_transaction (stream, ehci, urb, mem_flags); in sitd_submit()
2350 ehci_dbg (ehci, "can't init sitds\n"); in sitd_submit()
2355 spin_lock_irqsave (&ehci->lock, flags); in sitd_submit()
2356 if (unlikely(!HCD_HW_ACCESSIBLE(ehci_to_hcd(ehci)))) { in sitd_submit()
2360 status = usb_hcd_link_urb_to_ep(ehci_to_hcd(ehci), urb); in sitd_submit()
2363 status = iso_stream_schedule(ehci, urb, stream); in sitd_submit()
2365 sitd_link_urb (ehci, urb, ehci->periodic_size << 3, stream); in sitd_submit()
2368 ehci_urb_done(ehci, urb, 0); in sitd_submit()
2370 usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb); in sitd_submit()
2373 spin_unlock_irqrestore (&ehci->lock, flags); in sitd_submit()
2380 static void scan_isoc(struct ehci_hcd *ehci) in scan_isoc() argument
2383 unsigned fmask = ehci->periodic_size - 1; in scan_isoc()
2391 if (ehci->rh_state >= EHCI_RH_RUNNING) { in scan_isoc()
2392 uf = ehci_read_frame_index(ehci); in scan_isoc()
2396 now_frame = (ehci->last_iso_frame - 1) & fmask; in scan_isoc()
2399 ehci->now_frame = now_frame; in scan_isoc()
2401 frame = ehci->last_iso_frame; in scan_isoc()
2408 q_p = &ehci->pshadow [frame]; in scan_isoc()
2409 hw_p = &ehci->periodic [frame]; in scan_isoc()
2411 type = Q_NEXT_TYPE(ehci, *hw_p); in scan_isoc()
2415 switch (hc32_to_cpu(ehci, type)) { in scan_isoc()
2426 ITD_ACTIVE(ehci)) in scan_isoc()
2432 type = Q_NEXT_TYPE(ehci, in scan_isoc()
2445 if (!ehci->use_dummy_qh || in scan_isoc()
2446 q.itd->hw_next != EHCI_LIST_END(ehci)) in scan_isoc()
2449 *hw_p = cpu_to_hc32(ehci, in scan_isoc()
2450 ehci->dummy->qh_dma); in scan_isoc()
2451 type = Q_NEXT_TYPE(ehci, q.itd->hw_next); in scan_isoc()
2453 modified = itd_complete (ehci, q.itd); in scan_isoc()
2466 SITD_ACTIVE(ehci))) { in scan_isoc()
2470 type = Q_NEXT_TYPE(ehci, in scan_isoc()
2481 if (!ehci->use_dummy_qh || in scan_isoc()
2482 q.sitd->hw_next != EHCI_LIST_END(ehci)) in scan_isoc()
2485 *hw_p = cpu_to_hc32(ehci, in scan_isoc()
2486 ehci->dummy->qh_dma); in scan_isoc()
2487 type = Q_NEXT_TYPE(ehci, q.sitd->hw_next); in scan_isoc()
2489 modified = sitd_complete (ehci, q.sitd); in scan_isoc()
2493 ehci_dbg(ehci, "corrupt type %d frame %d shadow %p\n", in scan_isoc()
2505 if (unlikely(modified && ehci->isoc_count > 0)) in scan_isoc()
2514 ehci->last_iso_frame = frame; in scan_isoc()