Lines Matching full:xhci
3 * xHCI host controller driver
18 #include "xhci.h"
19 #include "xhci-trace.h"
20 #include "xhci-debugfs.h"
29 static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, in xhci_segment_alloc() argument
37 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_segment_alloc()
43 seg->trbs = dma_pool_zalloc(xhci->segment_pool, flags, &dma); in xhci_segment_alloc()
53 dma_pool_free(xhci->segment_pool, seg->trbs, dma); in xhci_segment_alloc()
69 static void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg) in xhci_segment_free() argument
72 dma_pool_free(xhci->segment_pool, seg->trbs, seg->dma); in xhci_segment_free()
79 static void xhci_free_segments_for_ring(struct xhci_hcd *xhci, in xhci_free_segments_for_ring() argument
87 xhci_segment_free(xhci, seg); in xhci_free_segments_for_ring()
90 xhci_segment_free(xhci, first); in xhci_free_segments_for_ring()
127 static void xhci_link_rings(struct xhci_hcd *xhci, struct xhci_ring *ring, in xhci_link_rings() argument
138 chain_links = !!(xhci_link_trb_quirk(xhci) || in xhci_link_rings()
140 (xhci->quirks & XHCI_AMD_0x96_HOST))); in xhci_link_rings()
280 void xhci_ring_free(struct xhci_hcd *xhci, struct xhci_ring *ring) in xhci_ring_free() argument
290 xhci_free_segments_for_ring(xhci, ring->first_seg); in xhci_ring_free()
321 static int xhci_alloc_segments_for_ring(struct xhci_hcd *xhci, in xhci_alloc_segments_for_ring() argument
330 chain_links = !!(xhci_link_trb_quirk(xhci) || in xhci_alloc_segments_for_ring()
332 (xhci->quirks & XHCI_AMD_0x96_HOST))); in xhci_alloc_segments_for_ring()
334 prev = xhci_segment_alloc(xhci, cycle_state, max_packet, flags); in xhci_alloc_segments_for_ring()
343 next = xhci_segment_alloc(xhci, cycle_state, max_packet, flags); in xhci_alloc_segments_for_ring()
348 xhci_segment_free(xhci, prev); in xhci_alloc_segments_for_ring()
371 struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci, in xhci_ring_alloc() argument
377 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_ring_alloc()
390 ret = xhci_alloc_segments_for_ring(xhci, &ring->first_seg, in xhci_ring_alloc()
411 void xhci_free_endpoint_ring(struct xhci_hcd *xhci, in xhci_free_endpoint_ring() argument
415 xhci_ring_free(xhci, virt_dev->eps[ep_index].ring); in xhci_free_endpoint_ring()
423 int xhci_ring_expansion(struct xhci_hcd *xhci, struct xhci_ring *ring, in xhci_ring_expansion() argument
430 ret = xhci_alloc_segments_for_ring(xhci, &first, &last, in xhci_ring_expansion()
443 xhci_segment_free(xhci, first); in xhci_ring_expansion()
451 xhci_link_rings(xhci, ring, first, last, num_new_segs); in xhci_ring_expansion()
453 xhci_dbg_trace(xhci, trace_xhci_dbg_ring_expansion, in xhci_ring_expansion()
460 struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci, in xhci_alloc_container_ctx() argument
464 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_alloc_container_ctx()
474 ctx->size = HCC_64BYTE_CONTEXT(xhci->hcc_params) ? 2048 : 1024; in xhci_alloc_container_ctx()
476 ctx->size += CTX_SIZE(xhci->hcc_params); in xhci_alloc_container_ctx()
478 ctx->bytes = dma_pool_zalloc(xhci->device_pool, flags, &ctx->dma); in xhci_alloc_container_ctx()
486 void xhci_free_container_ctx(struct xhci_hcd *xhci, in xhci_free_container_ctx() argument
491 dma_pool_free(xhci->device_pool, ctx->bytes, ctx->dma); in xhci_free_container_ctx()
504 struct xhci_slot_ctx *xhci_get_slot_ctx(struct xhci_hcd *xhci, in xhci_get_slot_ctx() argument
511 (ctx->bytes + CTX_SIZE(xhci->hcc_params)); in xhci_get_slot_ctx()
514 struct xhci_ep_ctx *xhci_get_ep_ctx(struct xhci_hcd *xhci, in xhci_get_ep_ctx() argument
524 (ctx->bytes + (ep_index * CTX_SIZE(xhci->hcc_params))); in xhci_get_ep_ctx()
530 static void xhci_free_stream_ctx(struct xhci_hcd *xhci, in xhci_free_stream_ctx() argument
534 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_free_stream_ctx()
540 dma_pool_free(xhci->medium_streams_pool, stream_ctx, dma); in xhci_free_stream_ctx()
542 dma_pool_free(xhci->small_streams_pool, stream_ctx, dma); in xhci_free_stream_ctx()
555 static struct xhci_stream_ctx *xhci_alloc_stream_ctx(struct xhci_hcd *xhci, in xhci_alloc_stream_ctx() argument
559 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_alloc_stream_ctx()
565 return dma_pool_zalloc(xhci->medium_streams_pool, mem_flags, dma); in xhci_alloc_stream_ctx()
567 return dma_pool_zalloc(xhci->small_streams_pool, mem_flags, dma); in xhci_alloc_stream_ctx()
589 struct xhci_stream_info *xhci_alloc_stream_info(struct xhci_hcd *xhci, in xhci_alloc_stream_info() argument
599 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_alloc_stream_info()
601 xhci_dbg(xhci, "Allocating %u streams and %u stream context array entries.\n", in xhci_alloc_stream_info()
603 if (xhci->cmd_ring_reserved_trbs == MAX_RSVD_CMD_TRBS) { in xhci_alloc_stream_info()
604 xhci_dbg(xhci, "Command ring has no reserved TRBs available\n"); in xhci_alloc_stream_info()
607 xhci->cmd_ring_reserved_trbs++; in xhci_alloc_stream_info()
625 stream_info->stream_ctx_array = xhci_alloc_stream_ctx(xhci, in xhci_alloc_stream_info()
633 xhci_alloc_command_with_ctx(xhci, true, mem_flags); in xhci_alloc_stream_info()
646 xhci_ring_alloc(xhci, 2, 1, TYPE_STREAM, max_packet, in xhci_alloc_stream_info()
659 xhci_dbg(xhci, "Setting stream %d ring ptr to 0x%08llx\n", cur_stream, addr); in xhci_alloc_stream_info()
663 xhci_ring_free(xhci, cur_ring); in xhci_alloc_stream_info()
681 xhci_ring_free(xhci, cur_ring); in xhci_alloc_stream_info()
685 xhci_free_command(xhci, stream_info->free_streams_command); in xhci_alloc_stream_info()
687 xhci_free_stream_ctx(xhci, in xhci_alloc_stream_info()
696 xhci->cmd_ring_reserved_trbs--; in xhci_alloc_stream_info()
703 void xhci_setup_streams_ep_input_ctx(struct xhci_hcd *xhci, in xhci_setup_streams_ep_input_ctx() argument
713 xhci_dbg_trace(xhci, trace_xhci_dbg_context_change, in xhci_setup_streams_ep_input_ctx()
740 void xhci_free_stream_info(struct xhci_hcd *xhci, in xhci_free_stream_info() argument
753 xhci_ring_free(xhci, cur_ring); in xhci_free_stream_info()
757 xhci_free_command(xhci, stream_info->free_streams_command); in xhci_free_stream_info()
758 xhci->cmd_ring_reserved_trbs--; in xhci_free_stream_info()
760 xhci_free_stream_ctx(xhci, in xhci_free_stream_info()
772 static void xhci_free_tt_info(struct xhci_hcd *xhci, in xhci_free_tt_info() argument
784 virt_dev->real_port > HCS_MAX_PORTS(xhci->hcs_params1)) { in xhci_free_tt_info()
785 xhci_dbg(xhci, "Bad real port.\n"); in xhci_free_tt_info()
789 tt_list_head = &(xhci->rh_bw[virt_dev->real_port - 1].tts); in xhci_free_tt_info()
802 int xhci_alloc_tt_info(struct xhci_hcd *xhci, in xhci_alloc_tt_info() argument
810 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_alloc_tt_info()
826 &xhci->rh_bw[virt_dev->real_port - 1].tts); in xhci_alloc_tt_info()
837 xhci_free_tt_info(xhci, virt_dev, virt_dev->udev->slot_id); in xhci_alloc_tt_info()
843 * Should be called with xhci->lock held if there is any chance the TT lists
847 void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id) in xhci_free_virt_device() argument
854 if (slot_id == 0 || !xhci->devs[slot_id]) in xhci_free_virt_device()
857 dev = xhci->devs[slot_id]; in xhci_free_virt_device()
859 xhci->dcbaa->dev_context_ptrs[slot_id] = 0; in xhci_free_virt_device()
870 xhci_ring_free(xhci, dev->eps[i].ring); in xhci_free_virt_device()
872 xhci_free_stream_info(xhci, in xhci_free_virt_device()
884 xhci_dbg(xhci, "Slot %u endpoint %u not removed from BW list!\n", in xhci_free_virt_device()
889 xhci_free_tt_info(xhci, dev, slot_id); in xhci_free_virt_device()
891 xhci_update_tt_active_eps(xhci, dev, old_active_eps); in xhci_free_virt_device()
894 xhci_free_container_ctx(xhci, dev->in_ctx); in xhci_free_virt_device()
896 xhci_free_container_ctx(xhci, dev->out_ctx); in xhci_free_virt_device()
900 kfree(xhci->devs[slot_id]); in xhci_free_virt_device()
901 xhci->devs[slot_id] = NULL; in xhci_free_virt_device()
910 static void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id) in xhci_free_virt_devices_depth_first() argument
917 vdev = xhci->devs[slot_id]; in xhci_free_virt_devices_depth_first()
922 vdev->real_port > HCS_MAX_PORTS(xhci->hcs_params1)) { in xhci_free_virt_devices_depth_first()
923 xhci_dbg(xhci, "Bad vdev->real_port.\n"); in xhci_free_virt_devices_depth_first()
927 tt_list_head = &(xhci->rh_bw[vdev->real_port - 1].tts); in xhci_free_virt_devices_depth_first()
932 for (i = 1; i < HCS_MAX_SLOTS(xhci->hcs_params1); i++) { in xhci_free_virt_devices_depth_first()
933 vdev = xhci->devs[i]; in xhci_free_virt_devices_depth_first()
936 xhci, i); in xhci_free_virt_devices_depth_first()
942 xhci_debugfs_remove_slot(xhci, slot_id); in xhci_free_virt_devices_depth_first()
943 xhci_free_virt_device(xhci, slot_id); in xhci_free_virt_devices_depth_first()
946 int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id, in xhci_alloc_virt_device() argument
953 if (slot_id == 0 || xhci->devs[slot_id]) { in xhci_alloc_virt_device()
954 xhci_warn(xhci, "Bad Slot ID %d\n", slot_id); in xhci_alloc_virt_device()
965 dev->out_ctx = xhci_alloc_container_ctx(xhci, XHCI_CTX_TYPE_DEVICE, flags); in xhci_alloc_virt_device()
969 xhci_dbg(xhci, "Slot %d output ctx = 0x%pad (dma)\n", slot_id, &dev->out_ctx->dma); in xhci_alloc_virt_device()
972 dev->in_ctx = xhci_alloc_container_ctx(xhci, XHCI_CTX_TYPE_INPUT, flags); in xhci_alloc_virt_device()
976 xhci_dbg(xhci, "Slot %d input ctx = 0x%pad (dma)\n", slot_id, &dev->in_ctx->dma); in xhci_alloc_virt_device()
982 dev->eps[i].xhci = xhci; in xhci_alloc_virt_device()
988 dev->eps[0].ring = xhci_ring_alloc(xhci, 2, 1, TYPE_CTRL, 0, flags); in xhci_alloc_virt_device()
995 xhci->dcbaa->dev_context_ptrs[slot_id] = cpu_to_le64(dev->out_ctx->dma); in xhci_alloc_virt_device()
996 xhci_dbg(xhci, "Set slot id %d dcbaa entry %p to 0x%llx\n", in xhci_alloc_virt_device()
998 &xhci->dcbaa->dev_context_ptrs[slot_id], in xhci_alloc_virt_device()
999 le64_to_cpu(xhci->dcbaa->dev_context_ptrs[slot_id])); in xhci_alloc_virt_device()
1003 xhci->devs[slot_id] = dev; in xhci_alloc_virt_device()
1009 xhci_free_container_ctx(xhci, dev->in_ctx); in xhci_alloc_virt_device()
1011 xhci_free_container_ctx(xhci, dev->out_ctx); in xhci_alloc_virt_device()
1017 void xhci_copy_ep0_dequeue_into_input_ctx(struct xhci_hcd *xhci, in xhci_copy_ep0_dequeue_into_input_ctx() argument
1024 virt_dev = xhci->devs[udev->slot_id]; in xhci_copy_ep0_dequeue_into_input_ctx()
1025 ep0_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, 0); in xhci_copy_ep0_dequeue_into_input_ctx()
1040 * The xHCI roothub may have ports of differing speeds in any order in the port
1043 * The xHCI hardware wants to know the roothub port number that the USB device
1049 static u32 xhci_find_real_port_number(struct xhci_hcd *xhci, in xhci_find_real_port_number() argument
1056 hcd = xhci_get_usb3_hcd(xhci); in xhci_find_real_port_number()
1058 hcd = xhci->main_hcd; in xhci_find_real_port_number()
1067 /* Setup an xHCI virtual device for a Set Address command */
1068 int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *udev) in xhci_setup_addressable_virt_dev() argument
1077 dev = xhci->devs[udev->slot_id]; in xhci_setup_addressable_virt_dev()
1080 xhci_warn(xhci, "Slot ID %d is not assigned to this device\n", in xhci_setup_addressable_virt_dev()
1084 ep0_ctx = xhci_get_ep_ctx(xhci, dev->in_ctx, 0); in xhci_setup_addressable_virt_dev()
1085 slot_ctx = xhci_get_slot_ctx(xhci, dev->in_ctx); in xhci_setup_addressable_virt_dev()
1116 port_num = xhci_find_real_port_number(xhci, udev); in xhci_setup_addressable_virt_dev()
1126 xhci_dbg(xhci, "Set root hub portnum to %d\n", port_num); in xhci_setup_addressable_virt_dev()
1127 xhci_dbg(xhci, "Set fake root hub portnum to %d\n", dev->fake_port); in xhci_setup_addressable_virt_dev()
1136 dev->bw_table = &xhci->rh_bw[port_num - 1].bw_table; in xhci_setup_addressable_virt_dev()
1141 rh_bw = &xhci->rh_bw[port_num - 1]; in xhci_setup_addressable_virt_dev()
1156 xhci_warn(xhci, "WARN: Didn't find a matching TT\n"); in xhci_setup_addressable_virt_dev()
1166 xhci_dbg(xhci, "udev->tt = %p\n", udev->tt); in xhci_setup_addressable_virt_dev()
1167 xhci_dbg(xhci, "udev->ttport = 0x%x\n", udev->ttport); in xhci_setup_addressable_virt_dev()
1258 * The polling interval is expressed in "microframes". If xHCI's Interval field
1394 int xhci_endpoint_init(struct xhci_hcd *xhci, in xhci_endpoint_init() argument
1414 ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index); in xhci_endpoint_init()
1426 * set it to max available. See xHCI 1.1 spec 4.14.1.1 for details. in xhci_endpoint_init()
1434 if ((xhci->quirks & XHCI_LIMIT_ENDPOINT_INTERVAL_7) && in xhci_endpoint_init()
1460 /* xHCI 1.0 and 1.1 indicates that ctrl ep avg TRB Length should be 8 */ in xhci_endpoint_init()
1461 if (usb_endpoint_xfer_control(&ep->desc) && xhci->hci_version >= 0x100) in xhci_endpoint_init()
1463 /* xhci 1.1 with LEC support doesn't use mult field, use RsvdZ */ in xhci_endpoint_init()
1464 if ((xhci->hci_version > 0x100) && HCC2_LEC(xhci->hcc_params2)) in xhci_endpoint_init()
1469 xhci_ring_alloc(xhci, 2, 1, ring_type, max_packet, mem_flags); in xhci_endpoint_init()
1493 void xhci_endpoint_zero(struct xhci_hcd *xhci, in xhci_endpoint_zero() argument
1501 ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index); in xhci_endpoint_zero()
1522 void xhci_update_bw_info(struct xhci_hcd *xhci, in xhci_update_bw_info() argument
1547 ep_ctx = xhci_get_ep_ctx(xhci, in_ctx, i); in xhci_update_bw_info()
1580 void xhci_endpoint_copy(struct xhci_hcd *xhci, in xhci_endpoint_copy() argument
1588 out_ep_ctx = xhci_get_ep_ctx(xhci, out_ctx, ep_index); in xhci_endpoint_copy()
1589 in_ep_ctx = xhci_get_ep_ctx(xhci, in_ctx, ep_index); in xhci_endpoint_copy()
1595 if (xhci->quirks & XHCI_MTK_HOST) { in xhci_endpoint_copy()
1606 void xhci_slot_copy(struct xhci_hcd *xhci, in xhci_slot_copy() argument
1613 in_slot_ctx = xhci_get_slot_ctx(xhci, in_ctx); in xhci_slot_copy()
1614 out_slot_ctx = xhci_get_slot_ctx(xhci, out_ctx); in xhci_slot_copy()
1623 static int scratchpad_alloc(struct xhci_hcd *xhci, gfp_t flags) in scratchpad_alloc() argument
1626 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in scratchpad_alloc()
1627 int num_sp = HCS_MAX_SCRATCHPAD(xhci->hcs_params2); in scratchpad_alloc()
1629 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in scratchpad_alloc()
1635 xhci->scratchpad = kzalloc_node(sizeof(*xhci->scratchpad), flags, in scratchpad_alloc()
1637 if (!xhci->scratchpad) in scratchpad_alloc()
1640 xhci->scratchpad->sp_array = dma_alloc_coherent(dev, in scratchpad_alloc()
1642 &xhci->scratchpad->sp_dma, flags); in scratchpad_alloc()
1643 if (!xhci->scratchpad->sp_array) in scratchpad_alloc()
1646 xhci->scratchpad->sp_buffers = kcalloc_node(num_sp, sizeof(void *), in scratchpad_alloc()
1648 if (!xhci->scratchpad->sp_buffers) in scratchpad_alloc()
1651 xhci->dcbaa->dev_context_ptrs[0] = cpu_to_le64(xhci->scratchpad->sp_dma); in scratchpad_alloc()
1654 void *buf = dma_alloc_coherent(dev, xhci->page_size, &dma, in scratchpad_alloc()
1659 xhci->scratchpad->sp_array[i] = dma; in scratchpad_alloc()
1660 xhci->scratchpad->sp_buffers[i] = buf; in scratchpad_alloc()
1667 dma_free_coherent(dev, xhci->page_size, in scratchpad_alloc()
1668 xhci->scratchpad->sp_buffers[i], in scratchpad_alloc()
1669 xhci->scratchpad->sp_array[i]); in scratchpad_alloc()
1671 kfree(xhci->scratchpad->sp_buffers); in scratchpad_alloc()
1675 xhci->scratchpad->sp_array, in scratchpad_alloc()
1676 xhci->scratchpad->sp_dma); in scratchpad_alloc()
1679 kfree(xhci->scratchpad); in scratchpad_alloc()
1680 xhci->scratchpad = NULL; in scratchpad_alloc()
1686 static void scratchpad_free(struct xhci_hcd *xhci) in scratchpad_free() argument
1690 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in scratchpad_free()
1692 if (!xhci->scratchpad) in scratchpad_free()
1695 num_sp = HCS_MAX_SCRATCHPAD(xhci->hcs_params2); in scratchpad_free()
1698 dma_free_coherent(dev, xhci->page_size, in scratchpad_free()
1699 xhci->scratchpad->sp_buffers[i], in scratchpad_free()
1700 xhci->scratchpad->sp_array[i]); in scratchpad_free()
1702 kfree(xhci->scratchpad->sp_buffers); in scratchpad_free()
1704 xhci->scratchpad->sp_array, in scratchpad_free()
1705 xhci->scratchpad->sp_dma); in scratchpad_free()
1706 kfree(xhci->scratchpad); in scratchpad_free()
1707 xhci->scratchpad = NULL; in scratchpad_free()
1710 struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci, in xhci_alloc_command() argument
1714 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_alloc_command()
1738 struct xhci_command *xhci_alloc_command_with_ctx(struct xhci_hcd *xhci, in xhci_alloc_command_with_ctx() argument
1743 command = xhci_alloc_command(xhci, allocate_completion, mem_flags); in xhci_alloc_command_with_ctx()
1747 command->in_ctx = xhci_alloc_container_ctx(xhci, XHCI_CTX_TYPE_INPUT, in xhci_alloc_command_with_ctx()
1762 void xhci_free_command(struct xhci_hcd *xhci, in xhci_free_command() argument
1765 xhci_free_container_ctx(xhci, in xhci_free_command()
1771 int xhci_alloc_erst(struct xhci_hcd *xhci, in xhci_alloc_erst() argument
1782 erst->entries = dma_alloc_coherent(xhci_to_hcd(xhci)->self.sysdev, in xhci_alloc_erst()
1802 xhci_free_interrupter(struct xhci_hcd *xhci, struct xhci_interrupter *ir) in xhci_free_interrupter() argument
1804 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_free_interrupter()
1829 tmp64 = xhci_read_64(xhci, &ir->ir_set->erst_dequeue); in xhci_free_interrupter()
1831 xhci_write_64(xhci, tmp64, &ir->ir_set->erst_dequeue); in xhci_free_interrupter()
1836 xhci_ring_free(xhci, ir->event_ring); in xhci_free_interrupter()
1842 void xhci_mem_cleanup(struct xhci_hcd *xhci) in xhci_mem_cleanup() argument
1844 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_mem_cleanup()
1847 cancel_delayed_work_sync(&xhci->cmd_timer); in xhci_mem_cleanup()
1849 xhci_free_interrupter(xhci, xhci->interrupter); in xhci_mem_cleanup()
1850 xhci->interrupter = NULL; in xhci_mem_cleanup()
1851 xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Freed primary event ring"); in xhci_mem_cleanup()
1853 if (xhci->cmd_ring) in xhci_mem_cleanup()
1854 xhci_ring_free(xhci, xhci->cmd_ring); in xhci_mem_cleanup()
1855 xhci->cmd_ring = NULL; in xhci_mem_cleanup()
1856 xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Freed command ring"); in xhci_mem_cleanup()
1857 xhci_cleanup_command_queue(xhci); in xhci_mem_cleanup()
1859 num_ports = HCS_MAX_PORTS(xhci->hcs_params1); in xhci_mem_cleanup()
1860 for (i = 0; i < num_ports && xhci->rh_bw; i++) { in xhci_mem_cleanup()
1861 struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table; in xhci_mem_cleanup()
1869 for (i = HCS_MAX_SLOTS(xhci->hcs_params1); i > 0; i--) in xhci_mem_cleanup()
1870 xhci_free_virt_devices_depth_first(xhci, i); in xhci_mem_cleanup()
1872 dma_pool_destroy(xhci->segment_pool); in xhci_mem_cleanup()
1873 xhci->segment_pool = NULL; in xhci_mem_cleanup()
1874 xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Freed segment pool"); in xhci_mem_cleanup()
1876 dma_pool_destroy(xhci->device_pool); in xhci_mem_cleanup()
1877 xhci->device_pool = NULL; in xhci_mem_cleanup()
1878 xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Freed device context pool"); in xhci_mem_cleanup()
1880 dma_pool_destroy(xhci->small_streams_pool); in xhci_mem_cleanup()
1881 xhci->small_streams_pool = NULL; in xhci_mem_cleanup()
1882 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_cleanup()
1885 dma_pool_destroy(xhci->medium_streams_pool); in xhci_mem_cleanup()
1886 xhci->medium_streams_pool = NULL; in xhci_mem_cleanup()
1887 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_cleanup()
1890 if (xhci->dcbaa) in xhci_mem_cleanup()
1891 dma_free_coherent(dev, sizeof(*xhci->dcbaa), in xhci_mem_cleanup()
1892 xhci->dcbaa, xhci->dcbaa->dma); in xhci_mem_cleanup()
1893 xhci->dcbaa = NULL; in xhci_mem_cleanup()
1895 scratchpad_free(xhci); in xhci_mem_cleanup()
1897 if (!xhci->rh_bw) in xhci_mem_cleanup()
1902 list_for_each_entry_safe(tt, n, &xhci->rh_bw[i].tts, tt_list) { in xhci_mem_cleanup()
1909 xhci->cmd_ring_reserved_trbs = 0; in xhci_mem_cleanup()
1910 xhci->usb2_rhub.num_ports = 0; in xhci_mem_cleanup()
1911 xhci->usb3_rhub.num_ports = 0; in xhci_mem_cleanup()
1912 xhci->num_active_eps = 0; in xhci_mem_cleanup()
1913 kfree(xhci->usb2_rhub.ports); in xhci_mem_cleanup()
1914 kfree(xhci->usb3_rhub.ports); in xhci_mem_cleanup()
1915 kfree(xhci->hw_ports); in xhci_mem_cleanup()
1916 kfree(xhci->rh_bw); in xhci_mem_cleanup()
1917 kfree(xhci->ext_caps); in xhci_mem_cleanup()
1918 for (i = 0; i < xhci->num_port_caps; i++) in xhci_mem_cleanup()
1919 kfree(xhci->port_caps[i].psi); in xhci_mem_cleanup()
1920 kfree(xhci->port_caps); in xhci_mem_cleanup()
1921 xhci->num_port_caps = 0; in xhci_mem_cleanup()
1923 xhci->usb2_rhub.ports = NULL; in xhci_mem_cleanup()
1924 xhci->usb3_rhub.ports = NULL; in xhci_mem_cleanup()
1925 xhci->hw_ports = NULL; in xhci_mem_cleanup()
1926 xhci->rh_bw = NULL; in xhci_mem_cleanup()
1927 xhci->ext_caps = NULL; in xhci_mem_cleanup()
1928 xhci->port_caps = NULL; in xhci_mem_cleanup()
1930 xhci->page_size = 0; in xhci_mem_cleanup()
1931 xhci->page_shift = 0; in xhci_mem_cleanup()
1932 xhci->usb2_rhub.bus_state.bus_suspended = 0; in xhci_mem_cleanup()
1933 xhci->usb3_rhub.bus_state.bus_suspended = 0; in xhci_mem_cleanup()
1936 static void xhci_set_hc_event_deq(struct xhci_hcd *xhci, struct xhci_interrupter *ir) in xhci_set_hc_event_deq() argument
1944 xhci_warn(xhci, "WARN something wrong with SW event ring dequeue ptr.\n"); in xhci_set_hc_event_deq()
1946 temp = xhci_read_64(xhci, &ir->ir_set->erst_dequeue); in xhci_set_hc_event_deq()
1952 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_set_hc_event_deq()
1954 xhci_write_64(xhci, ((u64) deq & (u64) ~ERST_PTR_MASK) | temp, in xhci_set_hc_event_deq()
1958 static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports, in xhci_add_in_port() argument
1965 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_add_in_port()
1973 rhub = &xhci->usb3_rhub; in xhci_add_in_port()
1984 * Some zhaoxin's xHCI controller that follow usb3.1 spec in xhci_add_in_port()
1987 if (xhci->quirks & XHCI_ZHAOXIN_HOST) { in xhci_add_in_port()
1993 rhub = &xhci->usb2_rhub; in xhci_add_in_port()
1995 xhci_warn(xhci, "Ignoring unknown port speed, Ext Cap %p, revision = 0x%x\n", in xhci_add_in_port()
2005 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_add_in_port()
2013 port_cap = &xhci->port_caps[xhci->num_port_caps++]; in xhci_add_in_port()
2014 if (xhci->num_port_caps > max_caps) in xhci_add_in_port()
2037 if (xhci->quirks & XHCI_ZHAOXIN_HOST && in xhci_add_in_port()
2042 xhci_dbg(xhci, "PSIV:%d PSIE:%d PLT:%d PFD:%d LP:%d PSIM:%d\n", in xhci_add_in_port()
2061 if (major_revision < 0x03 && xhci->num_ext_caps < max_caps) in xhci_add_in_port()
2062 xhci->ext_caps[xhci->num_ext_caps++] = temp; in xhci_add_in_port()
2064 if ((xhci->hci_version >= 0x100) && (major_revision != 0x03) && in xhci_add_in_port()
2066 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_add_in_port()
2067 "xHCI 1.0: support USB2 hardware lpm"); in xhci_add_in_port()
2068 xhci->hw_lpm_support = 1; in xhci_add_in_port()
2073 struct xhci_port *hw_port = &xhci->hw_ports[i]; in xhci_add_in_port()
2076 xhci_warn(xhci, "Duplicate port entry, Ext Cap %p, port %u\n", addr, i); in xhci_add_in_port()
2077 xhci_warn(xhci, "Port was marked as USB %u, duplicated as USB %u\n", in xhci_add_in_port()
2096 static void xhci_create_rhub_port_array(struct xhci_hcd *xhci, in xhci_create_rhub_port_array() argument
2101 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_create_rhub_port_array()
2110 for (i = 0; i < HCS_MAX_PORTS(xhci->hcs_params1); i++) { in xhci_create_rhub_port_array()
2111 if (xhci->hw_ports[i].rhub != rhub || in xhci_create_rhub_port_array()
2112 xhci->hw_ports[i].hcd_portnum == DUPLICATE_ENTRY) in xhci_create_rhub_port_array()
2114 xhci->hw_ports[i].hcd_portnum = port_index; in xhci_create_rhub_port_array()
2115 rhub->ports[port_index] = &xhci->hw_ports[i]; in xhci_create_rhub_port_array()
2129 static int xhci_setup_port_arrays(struct xhci_hcd *xhci, gfp_t flags) in xhci_setup_port_arrays() argument
2137 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_setup_port_arrays()
2139 num_ports = HCS_MAX_PORTS(xhci->hcs_params1); in xhci_setup_port_arrays()
2140 xhci->hw_ports = kcalloc_node(num_ports, sizeof(*xhci->hw_ports), in xhci_setup_port_arrays()
2142 if (!xhci->hw_ports) in xhci_setup_port_arrays()
2146 xhci->hw_ports[i].addr = &xhci->op_regs->port_status_base + in xhci_setup_port_arrays()
2148 xhci->hw_ports[i].hw_portnum = i; in xhci_setup_port_arrays()
2150 init_completion(&xhci->hw_ports[i].rexit_done); in xhci_setup_port_arrays()
2151 init_completion(&xhci->hw_ports[i].u3exit_done); in xhci_setup_port_arrays()
2154 xhci->rh_bw = kcalloc_node(num_ports, sizeof(*xhci->rh_bw), flags, in xhci_setup_port_arrays()
2156 if (!xhci->rh_bw) in xhci_setup_port_arrays()
2161 INIT_LIST_HEAD(&xhci->rh_bw[i].tts); in xhci_setup_port_arrays()
2162 bw_table = &xhci->rh_bw[i].bw_table; in xhci_setup_port_arrays()
2166 base = &xhci->cap_regs->hc_capbase; in xhci_setup_port_arrays()
2170 xhci_err(xhci, "No Extended Capability registers, unable to set up roothub\n"); in xhci_setup_port_arrays()
2182 xhci->ext_caps = kcalloc_node(cap_count, sizeof(*xhci->ext_caps), in xhci_setup_port_arrays()
2184 if (!xhci->ext_caps) in xhci_setup_port_arrays()
2187 xhci->port_caps = kcalloc_node(cap_count, sizeof(*xhci->port_caps), in xhci_setup_port_arrays()
2189 if (!xhci->port_caps) in xhci_setup_port_arrays()
2195 xhci_add_in_port(xhci, num_ports, base + offset, cap_count); in xhci_setup_port_arrays()
2196 if (xhci->usb2_rhub.num_ports + xhci->usb3_rhub.num_ports == in xhci_setup_port_arrays()
2202 if (xhci->usb2_rhub.num_ports == 0 && xhci->usb3_rhub.num_ports == 0) { in xhci_setup_port_arrays()
2203 xhci_warn(xhci, "No ports on the roothubs?\n"); in xhci_setup_port_arrays()
2206 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_setup_port_arrays()
2208 xhci->usb2_rhub.num_ports, xhci->usb3_rhub.num_ports); in xhci_setup_port_arrays()
2213 if (xhci->usb3_rhub.num_ports > USB_SS_MAXPORTS) { in xhci_setup_port_arrays()
2214 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_setup_port_arrays()
2217 xhci->usb3_rhub.num_ports = USB_SS_MAXPORTS; in xhci_setup_port_arrays()
2219 if (xhci->usb2_rhub.num_ports > USB_MAXCHILDREN) { in xhci_setup_port_arrays()
2220 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_setup_port_arrays()
2223 xhci->usb2_rhub.num_ports = USB_MAXCHILDREN; in xhci_setup_port_arrays()
2226 if (!xhci->usb2_rhub.num_ports) in xhci_setup_port_arrays()
2227 xhci_info(xhci, "USB2 root hub has no ports\n"); in xhci_setup_port_arrays()
2229 if (!xhci->usb3_rhub.num_ports) in xhci_setup_port_arrays()
2230 xhci_info(xhci, "USB3 root hub has no ports\n"); in xhci_setup_port_arrays()
2232 xhci_create_rhub_port_array(xhci, &xhci->usb2_rhub, flags); in xhci_setup_port_arrays()
2233 xhci_create_rhub_port_array(xhci, &xhci->usb3_rhub, flags); in xhci_setup_port_arrays()
2239 xhci_alloc_interrupter(struct xhci_hcd *xhci, gfp_t flags) in xhci_alloc_interrupter() argument
2241 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_alloc_interrupter()
2249 ir->event_ring = xhci_ring_alloc(xhci, ERST_NUM_SEGS, 1, TYPE_EVENT, in xhci_alloc_interrupter()
2252 xhci_warn(xhci, "Failed to allocate interrupter event ring\n"); in xhci_alloc_interrupter()
2257 ret = xhci_alloc_erst(xhci, ir->event_ring, &ir->erst, flags); in xhci_alloc_interrupter()
2259 xhci_warn(xhci, "Failed to allocate interrupter erst\n"); in xhci_alloc_interrupter()
2260 xhci_ring_free(xhci, ir->event_ring); in xhci_alloc_interrupter()
2269 xhci_add_interrupter(struct xhci_hcd *xhci, struct xhci_interrupter *ir, in xhci_add_interrupter() argument
2275 if (intr_num > xhci->max_interrupters) { in xhci_add_interrupter()
2276 xhci_warn(xhci, "Can't add interrupter %d, max interrupters %d\n", in xhci_add_interrupter()
2277 intr_num, xhci->max_interrupters); in xhci_add_interrupter()
2281 ir->ir_set = &xhci->run_regs->ir_set[intr_num]; in xhci_add_interrupter()
2289 erst_base = xhci_read_64(xhci, &ir->ir_set->erst_base); in xhci_add_interrupter()
2292 if (xhci->quirks & XHCI_WRITE_64_HI_LO) in xhci_add_interrupter()
2295 xhci_write_64(xhci, erst_base, &ir->ir_set->erst_base); in xhci_add_interrupter()
2298 xhci_set_hc_event_deq(xhci, ir); in xhci_add_interrupter()
2303 int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) in xhci_mem_init() argument
2306 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_mem_init()
2312 INIT_LIST_HEAD(&xhci->cmd_list); in xhci_mem_init()
2315 INIT_DELAYED_WORK(&xhci->cmd_timer, xhci_handle_command_timeout); in xhci_mem_init()
2316 init_completion(&xhci->cmd_ring_stop_completion); in xhci_mem_init()
2318 page_size = readl(&xhci->op_regs->page_size); in xhci_mem_init()
2319 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_init()
2323 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_init()
2326 xhci_warn(xhci, "WARN: no supported page size\n"); in xhci_mem_init()
2328 xhci->page_shift = 12; in xhci_mem_init()
2329 xhci->page_size = 1 << xhci->page_shift; in xhci_mem_init()
2330 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_init()
2331 "HCD page size set to %iK", xhci->page_size / 1024); in xhci_mem_init()
2337 val = HCS_MAX_SLOTS(readl(&xhci->cap_regs->hcs_params1)); in xhci_mem_init()
2338 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_init()
2340 val2 = readl(&xhci->op_regs->config_reg); in xhci_mem_init()
2342 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_init()
2344 writel(val, &xhci->op_regs->config_reg); in xhci_mem_init()
2347 * xHCI section 5.4.6 - Device Context array must be in xhci_mem_init()
2350 xhci->dcbaa = dma_alloc_coherent(dev, sizeof(*xhci->dcbaa), &dma, in xhci_mem_init()
2352 if (!xhci->dcbaa) in xhci_mem_init()
2354 xhci->dcbaa->dma = dma; in xhci_mem_init()
2355 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_init()
2357 &xhci->dcbaa->dma, xhci->dcbaa); in xhci_mem_init()
2358 xhci_write_64(xhci, dma, &xhci->op_regs->dcbaa_ptr); in xhci_mem_init()
2367 if (xhci->quirks & XHCI_ZHAOXIN_TRB_FETCH) in xhci_mem_init()
2368 xhci->segment_pool = dma_pool_create("xHCI ring segments", dev, in xhci_mem_init()
2369 TRB_SEGMENT_SIZE * 2, TRB_SEGMENT_SIZE * 2, xhci->page_size * 2); in xhci_mem_init()
2371 xhci->segment_pool = dma_pool_create("xHCI ring segments", dev, in xhci_mem_init()
2372 TRB_SEGMENT_SIZE, TRB_SEGMENT_SIZE, xhci->page_size); in xhci_mem_init()
2375 xhci->device_pool = dma_pool_create("xHCI input/output contexts", dev, in xhci_mem_init()
2376 2112, 64, xhci->page_size); in xhci_mem_init()
2377 if (!xhci->segment_pool || !xhci->device_pool) in xhci_mem_init()
2383 xhci->small_streams_pool = in xhci_mem_init()
2384 dma_pool_create("xHCI 256 byte stream ctx arrays", in xhci_mem_init()
2386 xhci->medium_streams_pool = in xhci_mem_init()
2387 dma_pool_create("xHCI 1KB stream ctx arrays", in xhci_mem_init()
2393 if (!xhci->small_streams_pool || !xhci->medium_streams_pool) in xhci_mem_init()
2397 xhci->cmd_ring = xhci_ring_alloc(xhci, 1, 1, TYPE_COMMAND, 0, flags); in xhci_mem_init()
2398 if (!xhci->cmd_ring) in xhci_mem_init()
2400 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_init()
2401 "Allocated command ring at %p", xhci->cmd_ring); in xhci_mem_init()
2402 xhci_dbg_trace(xhci, trace_xhci_dbg_init, "First segment DMA is 0x%pad", in xhci_mem_init()
2403 &xhci->cmd_ring->first_seg->dma); in xhci_mem_init()
2406 val_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); in xhci_mem_init()
2408 (xhci->cmd_ring->first_seg->dma & (u64) ~CMD_RING_RSVD_BITS) | in xhci_mem_init()
2409 xhci->cmd_ring->cycle_state; in xhci_mem_init()
2410 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_init()
2412 xhci_write_64(xhci, val_64, &xhci->op_regs->cmd_ring); in xhci_mem_init()
2418 xhci->cmd_ring_reserved_trbs++; in xhci_mem_init()
2420 val = readl(&xhci->cap_regs->db_off); in xhci_mem_init()
2422 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_init()
2425 xhci->dba = (void __iomem *) xhci->cap_regs + val; in xhci_mem_init()
2428 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_mem_init()
2430 xhci->interrupter = xhci_alloc_interrupter(xhci, flags); in xhci_mem_init()
2431 if (!xhci->interrupter) in xhci_mem_init()
2434 if (xhci_add_interrupter(xhci, xhci->interrupter, 0)) in xhci_mem_init()
2437 xhci->isoc_bei_interval = AVOID_BEI_INTERVAL_MAX; in xhci_mem_init()
2445 xhci->devs[i] = NULL; in xhci_mem_init()
2447 if (scratchpad_alloc(xhci, flags)) in xhci_mem_init()
2449 if (xhci_setup_port_arrays(xhci, flags)) in xhci_mem_init()
2456 temp = readl(&xhci->op_regs->dev_notification); in xhci_mem_init()
2459 writel(temp, &xhci->op_regs->dev_notification); in xhci_mem_init()
2464 xhci_halt(xhci); in xhci_mem_init()
2465 xhci_reset(xhci, XHCI_RESET_SHORT_USEC); in xhci_mem_init()
2466 xhci_mem_cleanup(xhci); in xhci_mem_init()