17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 54c8a46c1Syq * Common Development and Distribution License (the "License"). 64c8a46c1Syq * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*09af7b17SRaymond Chen * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 237c478bd9Sstevel@tonic-gate */ 247c478bd9Sstevel@tonic-gate 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* 277c478bd9Sstevel@tonic-gate * Universal Host Controller Driver (UHCI) 287c478bd9Sstevel@tonic-gate * 297c478bd9Sstevel@tonic-gate * The UHCI driver is a driver which interfaces to the Universal 307c478bd9Sstevel@tonic-gate * Serial Bus Driver (USBA) and the Host Controller (HC). The interface to 317c478bd9Sstevel@tonic-gate * the Host Controller is defined by the Universal Host Controller Interface. 327c478bd9Sstevel@tonic-gate * This file contains the code for HCDI entry points. 337c478bd9Sstevel@tonic-gate */ 347c478bd9Sstevel@tonic-gate #include <sys/usb/hcd/uhci/uhcid.h> 357c478bd9Sstevel@tonic-gate #include <sys/usb/hcd/uhci/uhcitgt.h> 367c478bd9Sstevel@tonic-gate #include <sys/usb/hcd/uhci/uhciutil.h> 3722eb7cb5Sgd #include <sys/strsun.h> 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate /* function prototypes */ 407c478bd9Sstevel@tonic-gate static int uhci_pipe_send_isoc_data(uhci_state_t *uhcip, 417c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph, usb_isoc_req_t *isoc_req, 427c478bd9Sstevel@tonic-gate usb_flags_t usb_flags); 437c478bd9Sstevel@tonic-gate static int uhci_send_intr_data(uhci_state_t *uhcip, 447c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *pipe_handle, 457c478bd9Sstevel@tonic-gate usb_intr_req_t *req, 467c478bd9Sstevel@tonic-gate usb_flags_t flags); 477c478bd9Sstevel@tonic-gate static int uhci_start_periodic_pipe_polling(uhci_state_t *uhcip, 487c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph, 497c478bd9Sstevel@tonic-gate usb_opaque_t reqp, 507c478bd9Sstevel@tonic-gate usb_flags_t flags); 517c478bd9Sstevel@tonic-gate static int uhci_stop_periodic_pipe_polling(uhci_state_t *uhcip, 527c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph, 537c478bd9Sstevel@tonic-gate usb_flags_t flags); 547c478bd9Sstevel@tonic-gate static void uhci_update_intr_td_data_toggle(uhci_state_t *uhcip, 557c478bd9Sstevel@tonic-gate uhci_pipe_private_t *pp); 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate /* Maximum bulk transfer size */ 594610e4a0Sfrits int uhci_bulk_transfer_size = UHCI_BULK_MAX_XFER_SIZE; 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate /* 627c478bd9Sstevel@tonic-gate * uhci_hcdi_pipe_open: 637c478bd9Sstevel@tonic-gate * Member of HCD Ops structure and called during client specific pipe open 647c478bd9Sstevel@tonic-gate * Add the pipe to the data structure representing the device and allocate 657c478bd9Sstevel@tonic-gate * bandwidth for the pipe if it is a interrupt or isochronous endpoint. 667c478bd9Sstevel@tonic-gate */ 677c478bd9Sstevel@tonic-gate int 687c478bd9Sstevel@tonic-gate uhci_hcdi_pipe_open(usba_pipe_handle_data_t *ph, usb_flags_t flags) 697c478bd9Sstevel@tonic-gate { 707c478bd9Sstevel@tonic-gate uint_t node = 0; 717c478bd9Sstevel@tonic-gate usb_addr_t usb_addr; 727c478bd9Sstevel@tonic-gate uhci_state_t *uhcip; 737c478bd9Sstevel@tonic-gate uhci_pipe_private_t *pp; 74fffe0b30Sqz int rval, error = USB_SUCCESS; 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate ASSERT(ph); 777c478bd9Sstevel@tonic-gate 787c478bd9Sstevel@tonic-gate usb_addr = ph->p_usba_device->usb_addr; 797c478bd9Sstevel@tonic-gate uhcip = uhci_obtain_state(ph->p_usba_device->usb_root_hub_dip); 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 827c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_open: addr = 0x%x, ep%d", usb_addr, 837c478bd9Sstevel@tonic-gate ph->p_ep.bEndpointAddress & USB_EP_NUM_MASK); 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate sema_p(&uhcip->uhci_ocsem); 867c478bd9Sstevel@tonic-gate 87fffe0b30Sqz mutex_enter(&uhcip->uhci_int_mutex); 88fffe0b30Sqz rval = uhci_state_is_operational(uhcip); 89fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 90fffe0b30Sqz 91fffe0b30Sqz if (rval != USB_SUCCESS) { 92fffe0b30Sqz sema_v(&uhcip->uhci_ocsem); 93fffe0b30Sqz 94fffe0b30Sqz return (rval); 95fffe0b30Sqz } 96fffe0b30Sqz 977c478bd9Sstevel@tonic-gate /* 987c478bd9Sstevel@tonic-gate * Return failure immediately for any other pipe open on the root hub 997c478bd9Sstevel@tonic-gate * except control or interrupt pipe. 1007c478bd9Sstevel@tonic-gate */ 1017c478bd9Sstevel@tonic-gate if (usb_addr == ROOT_HUB_ADDR) { 1027c478bd9Sstevel@tonic-gate switch (UHCI_XFER_TYPE(&ph->p_ep)) { 1037c478bd9Sstevel@tonic-gate case USB_EP_ATTR_CONTROL: 1047c478bd9Sstevel@tonic-gate USB_DPRINTF_L3(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 1057c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_open: Root hub control pipe"); 1067c478bd9Sstevel@tonic-gate break; 1077c478bd9Sstevel@tonic-gate case USB_EP_ATTR_INTR: 1087c478bd9Sstevel@tonic-gate ASSERT(UHCI_XFER_DIR(&ph->p_ep) == USB_EP_DIR_IN); 1097c478bd9Sstevel@tonic-gate 1107c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 1117c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_intr_pipe_handle = ph; 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate /* 1147c478bd9Sstevel@tonic-gate * Set the state of the root hub interrupt 1157c478bd9Sstevel@tonic-gate * pipe as IDLE. 1167c478bd9Sstevel@tonic-gate */ 1177c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_pipe_state = 118fffe0b30Sqz UHCI_PIPE_STATE_IDLE; 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate ASSERT(uhcip->uhci_root_hub.rh_client_intr_req == NULL); 1217c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_client_intr_req = NULL; 1227c478bd9Sstevel@tonic-gate 1237c478bd9Sstevel@tonic-gate ASSERT(uhcip->uhci_root_hub.rh_curr_intr_reqp == NULL); 1247c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_curr_intr_reqp = NULL; 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 1277c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_open: Root hub interrupt " 1287c478bd9Sstevel@tonic-gate "pipe open succeeded"); 1297c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 1307c478bd9Sstevel@tonic-gate sema_v(&uhcip->uhci_ocsem); 1317c478bd9Sstevel@tonic-gate 1327c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 1337c478bd9Sstevel@tonic-gate default: 1347c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 1357c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_open: Root hub pipe open failed"); 1367c478bd9Sstevel@tonic-gate sema_v(&uhcip->uhci_ocsem); 1377c478bd9Sstevel@tonic-gate 1387c478bd9Sstevel@tonic-gate return (USB_FAILURE); 1397c478bd9Sstevel@tonic-gate } 1407c478bd9Sstevel@tonic-gate } 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate /* 1437c478bd9Sstevel@tonic-gate * A portion of the bandwidth is reserved for the non-periodic 1447c478bd9Sstevel@tonic-gate * transfers i.e control and bulk transfers in each of one 1457c478bd9Sstevel@tonic-gate * mill second frame period & usually it will be 10% of frame 1467c478bd9Sstevel@tonic-gate * period. Hence there is no need to check for the available 1477c478bd9Sstevel@tonic-gate * bandwidth before adding the control or bulk endpoints. 1487c478bd9Sstevel@tonic-gate * 1497c478bd9Sstevel@tonic-gate * There is a need to check for the available bandwidth before 1507c478bd9Sstevel@tonic-gate * adding the periodic transfers i.e interrupt & isochronous, since 1517c478bd9Sstevel@tonic-gate * all these periodic transfers are guaranteed transfers. Usually, 1527c478bd9Sstevel@tonic-gate * 90% of the total frame time is reserved for periodic transfers. 1537c478bd9Sstevel@tonic-gate */ 1547c478bd9Sstevel@tonic-gate if (UHCI_PERIODIC_ENDPOINT(&ph->p_ep)) { 1557c478bd9Sstevel@tonic-gate /* Zero Max Packet size endpoints are not supported */ 1567c478bd9Sstevel@tonic-gate if (ph->p_ep.wMaxPacketSize == 0) { 1577c478bd9Sstevel@tonic-gate USB_DPRINTF_L3(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 1587c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_open: Zero length packet"); 1597c478bd9Sstevel@tonic-gate sema_v(&uhcip->uhci_ocsem); 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate return (USB_FAILURE); 1627c478bd9Sstevel@tonic-gate } 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 1657c478bd9Sstevel@tonic-gate mutex_enter(&ph->p_mutex); 1667c478bd9Sstevel@tonic-gate 1677c478bd9Sstevel@tonic-gate error = uhci_allocate_bandwidth(uhcip, ph, &node); 1687c478bd9Sstevel@tonic-gate if (error != USB_SUCCESS) { 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 1717c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_open: Bandwidth allocation failed"); 1727c478bd9Sstevel@tonic-gate mutex_exit(&ph->p_mutex); 1737c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 1747c478bd9Sstevel@tonic-gate sema_v(&uhcip->uhci_ocsem); 1757c478bd9Sstevel@tonic-gate 1767c478bd9Sstevel@tonic-gate return (error); 1777c478bd9Sstevel@tonic-gate } 1787c478bd9Sstevel@tonic-gate 1797c478bd9Sstevel@tonic-gate mutex_exit(&ph->p_mutex); 1807c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 1817c478bd9Sstevel@tonic-gate } 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate /* Create the HCD pipe private structure */ 1847c478bd9Sstevel@tonic-gate pp = kmem_zalloc(sizeof (uhci_pipe_private_t), 1857c478bd9Sstevel@tonic-gate (flags & USB_FLAGS_SLEEP) ? KM_SLEEP : KM_NOSLEEP); 1867c478bd9Sstevel@tonic-gate if (pp == NULL) { 1877c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 1887c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_open: pp allocation failure"); 1897c478bd9Sstevel@tonic-gate 1907c478bd9Sstevel@tonic-gate if (UHCI_PERIODIC_ENDPOINT(&ph->p_ep)) { 1917c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 1927c478bd9Sstevel@tonic-gate uhci_deallocate_bandwidth(uhcip, ph); 1937c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 1947c478bd9Sstevel@tonic-gate } 1957c478bd9Sstevel@tonic-gate sema_v(&uhcip->uhci_ocsem); 1967c478bd9Sstevel@tonic-gate 1977c478bd9Sstevel@tonic-gate return (USB_NO_RESOURCES); 1987c478bd9Sstevel@tonic-gate } 1997c478bd9Sstevel@tonic-gate 2007c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 201fffe0b30Sqz rval = uhci_state_is_operational(uhcip); 202fffe0b30Sqz 203fffe0b30Sqz if (rval != USB_SUCCESS) { 204fffe0b30Sqz kmem_free(ph, sizeof (uhci_pipe_private_t)); 205fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 206fffe0b30Sqz sema_v(&uhcip->uhci_ocsem); 207fffe0b30Sqz 208fffe0b30Sqz return (rval); 209fffe0b30Sqz } 2107c478bd9Sstevel@tonic-gate pp->pp_node = node; /* Store the node in the interrupt lattice */ 2117c478bd9Sstevel@tonic-gate 2127c478bd9Sstevel@tonic-gate /* Initialize frame number */ 2137c478bd9Sstevel@tonic-gate pp->pp_frame_num = INVALID_FRNUM; 2147c478bd9Sstevel@tonic-gate 2157c478bd9Sstevel@tonic-gate /* Set the state of pipe as IDLE */ 2167c478bd9Sstevel@tonic-gate pp->pp_state = UHCI_PIPE_STATE_IDLE; 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate /* Store a pointer to the pipe handle */ 2197c478bd9Sstevel@tonic-gate pp->pp_pipe_handle = ph; 2207c478bd9Sstevel@tonic-gate 2217c478bd9Sstevel@tonic-gate /* Store the pointer in the pipe handle */ 2227c478bd9Sstevel@tonic-gate mutex_enter(&ph->p_mutex); 2237c478bd9Sstevel@tonic-gate ph->p_hcd_private = (usb_opaque_t)pp; 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate /* Store a copy of the pipe policy */ 2267c478bd9Sstevel@tonic-gate bcopy(&ph->p_policy, &pp->pp_policy, sizeof (usb_pipe_policy_t)); 2277c478bd9Sstevel@tonic-gate mutex_exit(&ph->p_mutex); 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate /* don't check for ROOT_HUB here anymore */ 2307c478bd9Sstevel@tonic-gate if (UHCI_XFER_TYPE(&ph->p_ep) != USB_EP_ATTR_ISOCH) { 2317c478bd9Sstevel@tonic-gate /* Allocate the host controller endpoint descriptor */ 2327c478bd9Sstevel@tonic-gate pp->pp_qh = uhci_alloc_queue_head(uhcip); 2337c478bd9Sstevel@tonic-gate 2347c478bd9Sstevel@tonic-gate if (pp->pp_qh == NULL) { 2357c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_LISTS, uhcip->uhci_log_hdl, 2367c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_open: QH allocation failed"); 2377c478bd9Sstevel@tonic-gate 2384c8a46c1Syq if (UHCI_PERIODIC_ENDPOINT(&ph->p_ep)) { 2394c8a46c1Syq uhci_deallocate_bandwidth(uhcip, ph); 2404c8a46c1Syq } 2414c8a46c1Syq 2427c478bd9Sstevel@tonic-gate mutex_enter(&ph->p_mutex); 2437c478bd9Sstevel@tonic-gate 2447c478bd9Sstevel@tonic-gate /* 2457c478bd9Sstevel@tonic-gate * Deallocate the hcd private portion 2467c478bd9Sstevel@tonic-gate * of the pipe handle. 2477c478bd9Sstevel@tonic-gate */ 2487c478bd9Sstevel@tonic-gate kmem_free(ph->p_hcd_private, 249fffe0b30Sqz sizeof (uhci_pipe_private_t)); 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate /* 2527c478bd9Sstevel@tonic-gate * Set the private structure in the 2537c478bd9Sstevel@tonic-gate * pipe handle equal to NULL. 2547c478bd9Sstevel@tonic-gate */ 2557c478bd9Sstevel@tonic-gate ph->p_hcd_private = NULL; 2567c478bd9Sstevel@tonic-gate mutex_exit(&ph->p_mutex); 2577c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate sema_v(&uhcip->uhci_ocsem); 2607c478bd9Sstevel@tonic-gate 2617c478bd9Sstevel@tonic-gate return (USB_NO_RESOURCES); 2627c478bd9Sstevel@tonic-gate } 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate /* 2657c478bd9Sstevel@tonic-gate * Insert the endpoint onto the host controller's 2667c478bd9Sstevel@tonic-gate * appropriate endpoint list. The host controller 2677c478bd9Sstevel@tonic-gate * will not schedule this endpoint until there are 2687c478bd9Sstevel@tonic-gate * any TD's to process. 2697c478bd9Sstevel@tonic-gate */ 2707c478bd9Sstevel@tonic-gate uhci_insert_qh(uhcip, ph); 2717c478bd9Sstevel@tonic-gate } 2727c478bd9Sstevel@tonic-gate 2737c478bd9Sstevel@tonic-gate /* 2747c478bd9Sstevel@tonic-gate * Restore the data toggle from usb device structure. 2757c478bd9Sstevel@tonic-gate */ 2764c8a46c1Syq if (((ph->p_ep.bmAttributes) & USB_EP_ATTR_MASK) == USB_EP_ATTR_INTR || 2774c8a46c1Syq ((ph->p_ep.bmAttributes) & USB_EP_ATTR_MASK) == USB_EP_ATTR_BULK) { 2787c478bd9Sstevel@tonic-gate mutex_enter(&ph->p_mutex); 2797c478bd9Sstevel@tonic-gate 2807c478bd9Sstevel@tonic-gate pp->pp_data_toggle = usba_hcdi_get_data_toggle( 281fffe0b30Sqz ph->p_usba_device, ph->p_ep.bEndpointAddress); 2827c478bd9Sstevel@tonic-gate mutex_exit(&ph->p_mutex); 2837c478bd9Sstevel@tonic-gate } 2847c478bd9Sstevel@tonic-gate 2857c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 2867c478bd9Sstevel@tonic-gate sema_v(&uhcip->uhci_ocsem); 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 289112116d8Sfb "uhci_hcdi_pipe_open: ph = 0x%p", (void *)ph); 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 2927c478bd9Sstevel@tonic-gate } 2937c478bd9Sstevel@tonic-gate 2947c478bd9Sstevel@tonic-gate 2957c478bd9Sstevel@tonic-gate /* 2967c478bd9Sstevel@tonic-gate * uhci_hcdi_pipe_close: 2977c478bd9Sstevel@tonic-gate * Member of HCD Ops structure and called during the client specific pipe 2987c478bd9Sstevel@tonic-gate * close. Remove the pipe to the data structure representing the device 2997c478bd9Sstevel@tonic-gate * deallocate bandwidth for the pipe if it is an intr or isoch endpoint. 3007c478bd9Sstevel@tonic-gate */ 3017c478bd9Sstevel@tonic-gate int 3027c478bd9Sstevel@tonic-gate uhci_hcdi_pipe_close(usba_pipe_handle_data_t *ph, usb_flags_t usb_flags) 3037c478bd9Sstevel@tonic-gate { 3047c478bd9Sstevel@tonic-gate usb_addr_t usb_addr; 3057c478bd9Sstevel@tonic-gate uhci_state_t *uhcip; 3067c478bd9Sstevel@tonic-gate usb_ep_descr_t *eptd = &ph->p_ep; 3077c478bd9Sstevel@tonic-gate uhci_pipe_private_t *pp; 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate uhcip = uhci_obtain_state(ph->p_usba_device->usb_root_hub_dip); 3107c478bd9Sstevel@tonic-gate pp = (uhci_pipe_private_t *)ph->p_hcd_private; 3117c478bd9Sstevel@tonic-gate usb_addr = ph->p_usba_device->usb_addr; 3127c478bd9Sstevel@tonic-gate 3137c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 3147c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_close: addr = 0x%x, ep%d, flags = 0x%x", usb_addr, 3157c478bd9Sstevel@tonic-gate eptd->bEndpointAddress, usb_flags); 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate sema_p(&uhcip->uhci_ocsem); 3187c478bd9Sstevel@tonic-gate 3197c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate /* 3227c478bd9Sstevel@tonic-gate * Check whether the pipe is a root hub 3237c478bd9Sstevel@tonic-gate */ 3247c478bd9Sstevel@tonic-gate if (usb_addr == ROOT_HUB_ADDR) { 3257c478bd9Sstevel@tonic-gate switch (UHCI_XFER_TYPE(eptd)) { 3267c478bd9Sstevel@tonic-gate case USB_EP_ATTR_CONTROL: 3277c478bd9Sstevel@tonic-gate USB_DPRINTF_L3(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 3287c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_close: Root hub control pipe " 3297c478bd9Sstevel@tonic-gate "close succeeded"); 3307c478bd9Sstevel@tonic-gate 3317c478bd9Sstevel@tonic-gate break; 3327c478bd9Sstevel@tonic-gate case USB_EP_ATTR_INTR: 3337c478bd9Sstevel@tonic-gate ASSERT((eptd->bEndpointAddress & 334fffe0b30Sqz USB_EP_NUM_MASK) == 1); 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate /* Do interrupt pipe cleanup */ 3377c478bd9Sstevel@tonic-gate uhci_root_hub_intr_pipe_cleanup(uhcip, 338fffe0b30Sqz USB_CR_PIPE_CLOSING); 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate ASSERT(uhcip->uhci_root_hub.rh_pipe_state == 341fffe0b30Sqz UHCI_PIPE_STATE_IDLE); 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_intr_pipe_handle = NULL; 3447c478bd9Sstevel@tonic-gate 3457c478bd9Sstevel@tonic-gate USB_DPRINTF_L3(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 3467c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_close: Root hub interrupt " 3477c478bd9Sstevel@tonic-gate "pipe close succeeded"); 3487c478bd9Sstevel@tonic-gate 3497c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_pipe_state = 350fffe0b30Sqz UHCI_PIPE_STATE_IDLE; 3517c478bd9Sstevel@tonic-gate 3527c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 3537c478bd9Sstevel@tonic-gate sema_v(&uhcip->uhci_ocsem); 3547c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 3557c478bd9Sstevel@tonic-gate } 3567c478bd9Sstevel@tonic-gate } else { 3577c478bd9Sstevel@tonic-gate /* 3587c478bd9Sstevel@tonic-gate * Stop all the transactions if it is not the root hub. 3597c478bd9Sstevel@tonic-gate */ 3607c478bd9Sstevel@tonic-gate if (UHCI_XFER_TYPE(eptd) == USB_EP_ATTR_INTR) { 3617c478bd9Sstevel@tonic-gate /* 3627c478bd9Sstevel@tonic-gate * Stop polling on the pipe to prevent any subsequently 3637c478bd9Sstevel@tonic-gate * queued tds (while we're waiting for SOF, below) 3647c478bd9Sstevel@tonic-gate * from being executed 3657c478bd9Sstevel@tonic-gate */ 3667c478bd9Sstevel@tonic-gate pp->pp_state = UHCI_PIPE_STATE_IDLE; 3677c478bd9Sstevel@tonic-gate } 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate /* Disable all outstanding tds */ 3707c478bd9Sstevel@tonic-gate uhci_modify_td_active_bits(uhcip, pp); 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate /* Prevent this queue from being executed */ 3737c478bd9Sstevel@tonic-gate if (UHCI_XFER_TYPE(eptd) != USB_EP_ATTR_ISOCH) { 3747c478bd9Sstevel@tonic-gate UHCI_SET_TERMINATE_BIT(pp->pp_qh->element_ptr); 3757c478bd9Sstevel@tonic-gate } 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate /* Wait for the next start of frame */ 3787c478bd9Sstevel@tonic-gate (void) uhci_wait_for_sof(uhcip); 3797c478bd9Sstevel@tonic-gate 3807c478bd9Sstevel@tonic-gate ASSERT(eptd != NULL); 3817c478bd9Sstevel@tonic-gate 3827c478bd9Sstevel@tonic-gate switch (UHCI_XFER_TYPE(eptd)) { 3837c478bd9Sstevel@tonic-gate case USB_EP_ATTR_INTR: 3847c478bd9Sstevel@tonic-gate uhci_update_intr_td_data_toggle(uhcip, pp); 3857c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 3867c478bd9Sstevel@tonic-gate case USB_EP_ATTR_CONTROL: 3877c478bd9Sstevel@tonic-gate uhci_remove_tds_tws(uhcip, ph); 3887c478bd9Sstevel@tonic-gate break; 3897c478bd9Sstevel@tonic-gate case USB_EP_ATTR_BULK: 3907c478bd9Sstevel@tonic-gate SetQH32(uhcip, pp->pp_qh->element_ptr, 3917c478bd9Sstevel@tonic-gate TD_PADDR(pp->pp_qh->td_tailp)); 3927c478bd9Sstevel@tonic-gate uhci_remove_bulk_tds_tws(uhcip, pp, UHCI_IN_CLOSE); 3937c478bd9Sstevel@tonic-gate uhci_save_data_toggle(pp); 3947c478bd9Sstevel@tonic-gate break; 3957c478bd9Sstevel@tonic-gate case USB_EP_ATTR_ISOCH: 3967c478bd9Sstevel@tonic-gate uhci_remove_isoc_tds_tws(uhcip, pp); 3977c478bd9Sstevel@tonic-gate break; 3987c478bd9Sstevel@tonic-gate default: 3997c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 4007c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_close: Unknown xfer type"); 4017c478bd9Sstevel@tonic-gate break; 4027c478bd9Sstevel@tonic-gate } 4037c478bd9Sstevel@tonic-gate 4047c478bd9Sstevel@tonic-gate /* 4057c478bd9Sstevel@tonic-gate * Remove the endoint descriptor from Host Controller's 4067c478bd9Sstevel@tonic-gate * appropriate endpoint list. Isochronous pipes dont have 4077c478bd9Sstevel@tonic-gate * any queue heads attached to it. 4087c478bd9Sstevel@tonic-gate */ 4097c478bd9Sstevel@tonic-gate if (UHCI_XFER_TYPE(eptd) != USB_EP_ATTR_ISOCH) { 4107c478bd9Sstevel@tonic-gate uhci_remove_qh(uhcip, pp); 4117c478bd9Sstevel@tonic-gate } 4127c478bd9Sstevel@tonic-gate 4137c478bd9Sstevel@tonic-gate /* 4147c478bd9Sstevel@tonic-gate * Do the callback for the original client 4157c478bd9Sstevel@tonic-gate * periodic IN request. 4167c478bd9Sstevel@tonic-gate */ 4177c478bd9Sstevel@tonic-gate if (pp->pp_client_periodic_in_reqp) { 4187c478bd9Sstevel@tonic-gate uhci_hcdi_callback(uhcip, pp, ph, NULL, 4197c478bd9Sstevel@tonic-gate USB_CR_PIPE_CLOSING); 4207c478bd9Sstevel@tonic-gate } 4217c478bd9Sstevel@tonic-gate 4227c478bd9Sstevel@tonic-gate /* Deallocate bandwidth */ 4237c478bd9Sstevel@tonic-gate if (UHCI_PERIODIC_ENDPOINT(eptd)) { 4247c478bd9Sstevel@tonic-gate mutex_enter(&ph->p_mutex); 4257c478bd9Sstevel@tonic-gate uhci_deallocate_bandwidth(uhcip, ph); 4267c478bd9Sstevel@tonic-gate mutex_exit(&ph->p_mutex); 4277c478bd9Sstevel@tonic-gate } 4287c478bd9Sstevel@tonic-gate } 4297c478bd9Sstevel@tonic-gate 4307c478bd9Sstevel@tonic-gate /* Deallocate the hcd private portion of the pipe handle. */ 4317c478bd9Sstevel@tonic-gate 4327c478bd9Sstevel@tonic-gate mutex_enter(&ph->p_mutex); 4337c478bd9Sstevel@tonic-gate kmem_free(ph->p_hcd_private, sizeof (uhci_pipe_private_t)); 4347c478bd9Sstevel@tonic-gate ph->p_hcd_private = NULL; 4357c478bd9Sstevel@tonic-gate mutex_exit(&ph->p_mutex); 4367c478bd9Sstevel@tonic-gate 4377c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 438112116d8Sfb "uhci_hcdi_pipe_close: ph = 0x%p", (void *)ph); 4397c478bd9Sstevel@tonic-gate 4407c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 4417c478bd9Sstevel@tonic-gate sema_v(&uhcip->uhci_ocsem); 4427c478bd9Sstevel@tonic-gate 4437c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 4447c478bd9Sstevel@tonic-gate } 4457c478bd9Sstevel@tonic-gate 4467c478bd9Sstevel@tonic-gate 4477c478bd9Sstevel@tonic-gate /* 4487c478bd9Sstevel@tonic-gate * uhci_hcdi_pipe_reset: 4497c478bd9Sstevel@tonic-gate */ 4507c478bd9Sstevel@tonic-gate int 4517c478bd9Sstevel@tonic-gate uhci_hcdi_pipe_reset(usba_pipe_handle_data_t *ph, usb_flags_t usb_flags) 4527c478bd9Sstevel@tonic-gate { 4537c478bd9Sstevel@tonic-gate uhci_state_t *uhcip = uhci_obtain_state( 454fffe0b30Sqz ph->p_usba_device->usb_root_hub_dip); 4557c478bd9Sstevel@tonic-gate uhci_pipe_private_t *pp = (uhci_pipe_private_t *)ph->p_hcd_private; 4567c478bd9Sstevel@tonic-gate usb_ep_descr_t *eptd = &ph->p_ep; 457*09af7b17SRaymond Chen int i = 0; 458*09af7b17SRaymond Chen uint_t new_port_status = 0, old_port_status = 0; 4597c478bd9Sstevel@tonic-gate 4607c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 4617c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_reset: usb_flags = 0x%x", usb_flags); 4627c478bd9Sstevel@tonic-gate 463*09af7b17SRaymond Chen /* 464*09af7b17SRaymond Chen * Under some circumstances, uhci internal hub's port 465*09af7b17SRaymond Chen * may become disabled because of some errors(see UHCI HCD Spec) 466*09af7b17SRaymond Chen * to make the UHCI driver robust enough, we should try to 467*09af7b17SRaymond Chen * re-enable it again here because HCD has already know something 468*09af7b17SRaymond Chen * bad happened. 469*09af7b17SRaymond Chen */ 470*09af7b17SRaymond Chen USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 471*09af7b17SRaymond Chen "uhci_hcdi_pipe_reset: try " 472*09af7b17SRaymond Chen "to enable disabled ports if necessary."); 473*09af7b17SRaymond Chen for (i = 0; i < uhcip->uhci_root_hub.rh_num_ports; i++) { 474*09af7b17SRaymond Chen old_port_status = Get_OpReg16(PORTSC[i]); 475*09af7b17SRaymond Chen if (!(old_port_status & HCR_PORT_ENABLE)) { 476*09af7b17SRaymond Chen Set_OpReg16(PORTSC[i], 477*09af7b17SRaymond Chen (old_port_status | HCR_PORT_ENABLE)); 478*09af7b17SRaymond Chen drv_usecwait(UHCI_ONE_MS * 2); 479*09af7b17SRaymond Chen new_port_status = Get_OpReg16(PORTSC[i]); 480*09af7b17SRaymond Chen /* 481*09af7b17SRaymond Chen * Refresh Root Hub port status 482*09af7b17SRaymond Chen */ 483*09af7b17SRaymond Chen uhcip->uhci_root_hub.rh_port_status[i] = 484*09af7b17SRaymond Chen new_port_status; 485*09af7b17SRaymond Chen uhcip->uhci_root_hub.rh_port_changes[i] |= 486*09af7b17SRaymond Chen ((old_port_status ^ new_port_status) & 0xff); 487*09af7b17SRaymond Chen } 488*09af7b17SRaymond Chen } 489*09af7b17SRaymond Chen 4907c478bd9Sstevel@tonic-gate /* 4917c478bd9Sstevel@tonic-gate * Return failure immediately for any other pipe reset on the root 4927c478bd9Sstevel@tonic-gate * hub except control or interrupt pipe. 4937c478bd9Sstevel@tonic-gate */ 4947c478bd9Sstevel@tonic-gate if (ph->p_usba_device->usb_addr == ROOT_HUB_ADDR) { 4957c478bd9Sstevel@tonic-gate switch (UHCI_XFER_TYPE(&ph->p_ep)) { 4967c478bd9Sstevel@tonic-gate case USB_EP_ATTR_CONTROL: 4977c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 4987c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_reset: Pipe reset for root" 4997c478bd9Sstevel@tonic-gate "hub control pipe successful"); 5007c478bd9Sstevel@tonic-gate 5017c478bd9Sstevel@tonic-gate break; 5027c478bd9Sstevel@tonic-gate case USB_EP_ATTR_INTR: 5037c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 5047c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_pipe_state = 505fffe0b30Sqz UHCI_PIPE_STATE_IDLE; 5067c478bd9Sstevel@tonic-gate 5077c478bd9Sstevel@tonic-gate /* Do interrupt pipe cleanup */ 5087c478bd9Sstevel@tonic-gate uhci_root_hub_intr_pipe_cleanup(uhcip, 509fffe0b30Sqz USB_CR_PIPE_RESET); 5107c478bd9Sstevel@tonic-gate 5117c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 5127c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_reset: Pipe reset for " 5137c478bd9Sstevel@tonic-gate "root hub interrupt pipe successful"); 5147c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 5157c478bd9Sstevel@tonic-gate 5167c478bd9Sstevel@tonic-gate break; 5177c478bd9Sstevel@tonic-gate default: 5187c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 519fffe0b30Sqz "uhci_hcdi_pipe_reset: Root hub pipe reset failed"); 5207c478bd9Sstevel@tonic-gate 5217c478bd9Sstevel@tonic-gate return (USB_FAILURE); 5227c478bd9Sstevel@tonic-gate } 5237c478bd9Sstevel@tonic-gate 5247c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 5257c478bd9Sstevel@tonic-gate } 5267c478bd9Sstevel@tonic-gate 5277c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 5287c478bd9Sstevel@tonic-gate 5297c478bd9Sstevel@tonic-gate /* 5307c478bd9Sstevel@tonic-gate * Set the active bit in to INACTIVE for all the remaining TD's of 5317c478bd9Sstevel@tonic-gate * this end point. Set the active bit for the dummy td. This will 5327c478bd9Sstevel@tonic-gate * generate an interrupt at the end of the frame. After receiving 5337c478bd9Sstevel@tonic-gate * the interrupt, it is safe to to manipulate the lattice. 5347c478bd9Sstevel@tonic-gate */ 5357c478bd9Sstevel@tonic-gate uhci_modify_td_active_bits(uhcip, pp); 5367c478bd9Sstevel@tonic-gate 5377c478bd9Sstevel@tonic-gate /* Initialize the element pointer */ 5387c478bd9Sstevel@tonic-gate if (UHCI_XFER_TYPE(eptd) != USB_EP_ATTR_ISOCH) { 5397c478bd9Sstevel@tonic-gate UHCI_SET_TERMINATE_BIT(pp->pp_qh->element_ptr); 5407c478bd9Sstevel@tonic-gate SetQH32(uhcip, pp->pp_qh->element_ptr, 5417c478bd9Sstevel@tonic-gate TD_PADDR(pp->pp_qh->td_tailp)); 5427c478bd9Sstevel@tonic-gate } 5437c478bd9Sstevel@tonic-gate 5447c478bd9Sstevel@tonic-gate (void) uhci_wait_for_sof(uhcip); 5457c478bd9Sstevel@tonic-gate 5467c478bd9Sstevel@tonic-gate /* 5477c478bd9Sstevel@tonic-gate * Save the data toggle and clear the pipe. 5487c478bd9Sstevel@tonic-gate */ 5497c478bd9Sstevel@tonic-gate switch (UHCI_XFER_TYPE(eptd)) { 5507c478bd9Sstevel@tonic-gate case USB_EP_ATTR_CONTROL: 5517c478bd9Sstevel@tonic-gate case USB_EP_ATTR_INTR: 5527c478bd9Sstevel@tonic-gate uhci_remove_tds_tws(uhcip, ph); 5537c478bd9Sstevel@tonic-gate break; 5547c478bd9Sstevel@tonic-gate case USB_EP_ATTR_BULK: 5557c478bd9Sstevel@tonic-gate SetQH32(uhcip, pp->pp_qh->element_ptr, 5567c478bd9Sstevel@tonic-gate TD_PADDR(pp->pp_qh->td_tailp)); 5577c478bd9Sstevel@tonic-gate uhci_remove_bulk_tds_tws(uhcip, pp, UHCI_IN_RESET); 5587c478bd9Sstevel@tonic-gate break; 5597c478bd9Sstevel@tonic-gate case USB_EP_ATTR_ISOCH: 5607c478bd9Sstevel@tonic-gate uhci_remove_isoc_tds_tws(uhcip, pp); 5617c478bd9Sstevel@tonic-gate break; 5627c478bd9Sstevel@tonic-gate default: 5637c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 5647c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_reset: Unknown xfer type"); 5657c478bd9Sstevel@tonic-gate break; 5667c478bd9Sstevel@tonic-gate } 5677c478bd9Sstevel@tonic-gate 5687c478bd9Sstevel@tonic-gate /* 5697c478bd9Sstevel@tonic-gate * Do the callback for the original client 5707c478bd9Sstevel@tonic-gate * periodic IN request. 5717c478bd9Sstevel@tonic-gate */ 5727c478bd9Sstevel@tonic-gate if (pp->pp_client_periodic_in_reqp) { 5737c478bd9Sstevel@tonic-gate uhci_hcdi_callback(uhcip, pp, ph, NULL, USB_CR_PIPE_RESET); 5747c478bd9Sstevel@tonic-gate } 5757c478bd9Sstevel@tonic-gate 5767c478bd9Sstevel@tonic-gate /* 5777c478bd9Sstevel@tonic-gate * Since the endpoint is stripped of Transfer Descriptors (TD), 5787c478bd9Sstevel@tonic-gate * reset the state of the periodic pipe to IDLE. 5797c478bd9Sstevel@tonic-gate */ 5807c478bd9Sstevel@tonic-gate pp->pp_state = UHCI_PIPE_STATE_IDLE; 5817c478bd9Sstevel@tonic-gate 5827c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 5837c478bd9Sstevel@tonic-gate 5847c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 5857c478bd9Sstevel@tonic-gate } 5867c478bd9Sstevel@tonic-gate 587269552cdSguoqing zhu - Sun Microsystems - Beijing China /* 588269552cdSguoqing zhu - Sun Microsystems - Beijing China * uhci_hcdi_pipe_reset_data_toggle: 589269552cdSguoqing zhu - Sun Microsystems - Beijing China */ 590269552cdSguoqing zhu - Sun Microsystems - Beijing China void 591269552cdSguoqing zhu - Sun Microsystems - Beijing China uhci_hcdi_pipe_reset_data_toggle( 592269552cdSguoqing zhu - Sun Microsystems - Beijing China usba_pipe_handle_data_t *ph) 593269552cdSguoqing zhu - Sun Microsystems - Beijing China { 594269552cdSguoqing zhu - Sun Microsystems - Beijing China uhci_state_t *uhcip = uhci_obtain_state( 595269552cdSguoqing zhu - Sun Microsystems - Beijing China ph->p_usba_device->usb_root_hub_dip); 596269552cdSguoqing zhu - Sun Microsystems - Beijing China uhci_pipe_private_t *pp = (uhci_pipe_private_t *)ph->p_hcd_private; 597269552cdSguoqing zhu - Sun Microsystems - Beijing China 598269552cdSguoqing zhu - Sun Microsystems - Beijing China USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 599269552cdSguoqing zhu - Sun Microsystems - Beijing China "uhci_hcdi_pipe_reset_data_toggle:"); 600269552cdSguoqing zhu - Sun Microsystems - Beijing China 601269552cdSguoqing zhu - Sun Microsystems - Beijing China mutex_enter(&uhcip->uhci_int_mutex); 602269552cdSguoqing zhu - Sun Microsystems - Beijing China 603269552cdSguoqing zhu - Sun Microsystems - Beijing China mutex_enter(&ph->p_mutex); 604269552cdSguoqing zhu - Sun Microsystems - Beijing China pp->pp_data_toggle = 0; 605269552cdSguoqing zhu - Sun Microsystems - Beijing China usba_hcdi_set_data_toggle(ph->p_usba_device, ph->p_ep.bEndpointAddress, 606269552cdSguoqing zhu - Sun Microsystems - Beijing China pp->pp_data_toggle); 607269552cdSguoqing zhu - Sun Microsystems - Beijing China mutex_exit(&ph->p_mutex); 608269552cdSguoqing zhu - Sun Microsystems - Beijing China 609269552cdSguoqing zhu - Sun Microsystems - Beijing China mutex_exit(&uhcip->uhci_int_mutex); 610269552cdSguoqing zhu - Sun Microsystems - Beijing China 611269552cdSguoqing zhu - Sun Microsystems - Beijing China } 6127c478bd9Sstevel@tonic-gate 6137c478bd9Sstevel@tonic-gate /* 6147c478bd9Sstevel@tonic-gate * uhci_hcdi_pipe_ctrl_xfer: 6157c478bd9Sstevel@tonic-gate */ 6167c478bd9Sstevel@tonic-gate int 6177c478bd9Sstevel@tonic-gate uhci_hcdi_pipe_ctrl_xfer( 6187c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph, 6197c478bd9Sstevel@tonic-gate usb_ctrl_req_t *ctrl_reqp, 6207c478bd9Sstevel@tonic-gate usb_flags_t flags) 6217c478bd9Sstevel@tonic-gate { 6227c478bd9Sstevel@tonic-gate uhci_state_t *uhcip = uhci_obtain_state( 623fffe0b30Sqz ph->p_usba_device->usb_root_hub_dip); 6247c478bd9Sstevel@tonic-gate uhci_pipe_private_t *pp = (uhci_pipe_private_t *)ph->p_hcd_private; 625fffe0b30Sqz int error; 6267c478bd9Sstevel@tonic-gate 6277c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 6287c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_ctrl_xfer: req=0x%p, ph=0x%p, flags=0x%x", 629112116d8Sfb (void *)ctrl_reqp, (void *)ph, flags); 6307c478bd9Sstevel@tonic-gate 6317c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 632fffe0b30Sqz error = uhci_state_is_operational(uhcip); 633fffe0b30Sqz 634fffe0b30Sqz if (error != USB_SUCCESS) { 635fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 636fffe0b30Sqz 637fffe0b30Sqz return (error); 638fffe0b30Sqz } 6397c478bd9Sstevel@tonic-gate 6407c478bd9Sstevel@tonic-gate ASSERT(pp->pp_state == UHCI_PIPE_STATE_IDLE); 6417c478bd9Sstevel@tonic-gate 6427c478bd9Sstevel@tonic-gate /* 6437c478bd9Sstevel@tonic-gate * Check and handle root hub control request. 6447c478bd9Sstevel@tonic-gate */ 6457c478bd9Sstevel@tonic-gate if (ph->p_usba_device->usb_addr == ROOT_HUB_ADDR) { 6467c478bd9Sstevel@tonic-gate error = uhci_handle_root_hub_request(uhcip, ph, ctrl_reqp); 6477c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 6487c478bd9Sstevel@tonic-gate 6497c478bd9Sstevel@tonic-gate return (error); 6507c478bd9Sstevel@tonic-gate } 6517c478bd9Sstevel@tonic-gate 6527c478bd9Sstevel@tonic-gate /* Insert the td's on the endpoint */ 6537c478bd9Sstevel@tonic-gate if ((error = uhci_insert_ctrl_td(uhcip, ph, ctrl_reqp, flags)) != 6547c478bd9Sstevel@tonic-gate USB_SUCCESS) { 6557c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 6567c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_ctrl_xfer: No resources"); 6577c478bd9Sstevel@tonic-gate } 6587c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 6597c478bd9Sstevel@tonic-gate 6607c478bd9Sstevel@tonic-gate return (error); 6617c478bd9Sstevel@tonic-gate } 6627c478bd9Sstevel@tonic-gate 6637c478bd9Sstevel@tonic-gate 6647c478bd9Sstevel@tonic-gate /* 6657c478bd9Sstevel@tonic-gate * uhci_hcdi_pipe_bulk_xfer: 6667c478bd9Sstevel@tonic-gate */ 6677c478bd9Sstevel@tonic-gate int 6687c478bd9Sstevel@tonic-gate uhci_hcdi_pipe_bulk_xfer(usba_pipe_handle_data_t *pipe_handle, 6697c478bd9Sstevel@tonic-gate usb_bulk_req_t *bulk_reqp, usb_flags_t usb_flags) 6707c478bd9Sstevel@tonic-gate { 6717c478bd9Sstevel@tonic-gate int error; 6727c478bd9Sstevel@tonic-gate uhci_state_t *uhcip; 6737c478bd9Sstevel@tonic-gate 6747c478bd9Sstevel@tonic-gate uhcip = uhci_obtain_state(pipe_handle->p_usba_device->usb_root_hub_dip); 6757c478bd9Sstevel@tonic-gate 6767c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 6777c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_bulk_xfer: Flags = 0x%x", usb_flags); 6787c478bd9Sstevel@tonic-gate 6797c478bd9Sstevel@tonic-gate /* Check the size of bulk request */ 6807c478bd9Sstevel@tonic-gate if (bulk_reqp->bulk_len > UHCI_BULK_MAX_XFER_SIZE) { 6817c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 6827c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_bulk_xfer: req size 0x%x is more than 0x%x", 6837c478bd9Sstevel@tonic-gate bulk_reqp->bulk_len, UHCI_BULK_MAX_XFER_SIZE); 6847c478bd9Sstevel@tonic-gate 6857c478bd9Sstevel@tonic-gate return (USB_FAILURE); 6867c478bd9Sstevel@tonic-gate } 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 6897c478bd9Sstevel@tonic-gate 690fffe0b30Sqz error = uhci_state_is_operational(uhcip); 691fffe0b30Sqz 692fffe0b30Sqz if (error != USB_SUCCESS) { 693fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 694fffe0b30Sqz 695fffe0b30Sqz return (error); 696fffe0b30Sqz } 6977c478bd9Sstevel@tonic-gate /* Add the TD into the Host Controller's bulk list */ 6987c478bd9Sstevel@tonic-gate if ((error = uhci_insert_bulk_td(uhcip, pipe_handle, bulk_reqp, 6997c478bd9Sstevel@tonic-gate usb_flags)) != USB_SUCCESS) { 7007c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 7017c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_bulk_xfer: uhci_insert_bulk_td failed"); 7027c478bd9Sstevel@tonic-gate } 7037c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 7047c478bd9Sstevel@tonic-gate 7057c478bd9Sstevel@tonic-gate return (error); 7067c478bd9Sstevel@tonic-gate } 7077c478bd9Sstevel@tonic-gate 7087c478bd9Sstevel@tonic-gate 7097c478bd9Sstevel@tonic-gate /* 7107c478bd9Sstevel@tonic-gate * uhci_hcdi_bulk_transfer_size: 7117c478bd9Sstevel@tonic-gate * Return maximum bulk transfer size 7127c478bd9Sstevel@tonic-gate */ 7137c478bd9Sstevel@tonic-gate int 7147c478bd9Sstevel@tonic-gate uhci_hcdi_bulk_transfer_size( 7157c478bd9Sstevel@tonic-gate usba_device_t *usba_device, 7167c478bd9Sstevel@tonic-gate size_t *size) 7177c478bd9Sstevel@tonic-gate { 718fffe0b30Sqz uhci_state_t *uhcip = uhci_obtain_state( 719fffe0b30Sqz usba_device->usb_root_hub_dip); 720fffe0b30Sqz int rval; 7217c478bd9Sstevel@tonic-gate 7227c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 7237c478bd9Sstevel@tonic-gate "uhci_hcdi_bulk_transfer_size:"); 7247c478bd9Sstevel@tonic-gate 725fffe0b30Sqz mutex_enter(&uhcip->uhci_int_mutex); 726fffe0b30Sqz rval = uhci_state_is_operational(uhcip); 727fffe0b30Sqz 728fffe0b30Sqz if (rval != USB_SUCCESS) { 729fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 730fffe0b30Sqz 731fffe0b30Sqz return (rval); 732fffe0b30Sqz } 733fffe0b30Sqz 7347c478bd9Sstevel@tonic-gate *size = uhci_bulk_transfer_size; 735fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 7367c478bd9Sstevel@tonic-gate 7377c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 7387c478bd9Sstevel@tonic-gate } 7397c478bd9Sstevel@tonic-gate 7407c478bd9Sstevel@tonic-gate 7417c478bd9Sstevel@tonic-gate /* 7427c478bd9Sstevel@tonic-gate * uhci_hcdi_pipe_intr_xfer: 7437c478bd9Sstevel@tonic-gate */ 7447c478bd9Sstevel@tonic-gate int 7457c478bd9Sstevel@tonic-gate uhci_hcdi_pipe_intr_xfer( 7467c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph, 7477c478bd9Sstevel@tonic-gate usb_intr_req_t *req, 7487c478bd9Sstevel@tonic-gate usb_flags_t flags) 7497c478bd9Sstevel@tonic-gate { 7507c478bd9Sstevel@tonic-gate uhci_state_t *uhcip = uhci_obtain_state( 751fffe0b30Sqz ph->p_usba_device->usb_root_hub_dip); 7527c478bd9Sstevel@tonic-gate 7537c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 754112116d8Sfb "uhci_hcdi_pipe_intr_xfer: req=0x%p, uf=0x%x", (void *)req, flags); 7557c478bd9Sstevel@tonic-gate 7567c478bd9Sstevel@tonic-gate if (UHCI_XFER_DIR(&ph->p_ep) == USB_EP_DIR_IN) { 7577c478bd9Sstevel@tonic-gate 7587c478bd9Sstevel@tonic-gate return (uhci_start_periodic_pipe_polling(uhcip, ph, 759fffe0b30Sqz (usb_opaque_t)req, flags)); 7607c478bd9Sstevel@tonic-gate } else { 7617c478bd9Sstevel@tonic-gate 7627c478bd9Sstevel@tonic-gate return (uhci_send_intr_data(uhcip, ph, req, flags)); 7637c478bd9Sstevel@tonic-gate } 7647c478bd9Sstevel@tonic-gate } 7657c478bd9Sstevel@tonic-gate 7667c478bd9Sstevel@tonic-gate 7677c478bd9Sstevel@tonic-gate /* 7687c478bd9Sstevel@tonic-gate * uhci_send_intr_data(): 7697c478bd9Sstevel@tonic-gate * send data to interrupt out pipe 7707c478bd9Sstevel@tonic-gate */ 7717c478bd9Sstevel@tonic-gate static int 7727c478bd9Sstevel@tonic-gate uhci_send_intr_data( 7737c478bd9Sstevel@tonic-gate uhci_state_t *uhcip, 7747c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *pipe_handle, 7757c478bd9Sstevel@tonic-gate usb_intr_req_t *req, 7767c478bd9Sstevel@tonic-gate usb_flags_t flags) 7777c478bd9Sstevel@tonic-gate { 778fffe0b30Sqz int rval; 7797c478bd9Sstevel@tonic-gate 7807c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_LISTS, uhcip->uhci_log_hdl, 7817c478bd9Sstevel@tonic-gate "uhci_send_intr_data:"); 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 7847c478bd9Sstevel@tonic-gate 785fffe0b30Sqz rval = uhci_state_is_operational(uhcip); 786fffe0b30Sqz 787fffe0b30Sqz if (rval != USB_SUCCESS) { 788fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 789fffe0b30Sqz 790fffe0b30Sqz return (rval); 791fffe0b30Sqz } 792fffe0b30Sqz 7937c478bd9Sstevel@tonic-gate /* Add the TD into the Host Controller's interrupt list */ 7947c478bd9Sstevel@tonic-gate if ((rval = uhci_insert_intr_td(uhcip, pipe_handle, req, flags)) != 7957c478bd9Sstevel@tonic-gate USB_SUCCESS) { 7967c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 7977c478bd9Sstevel@tonic-gate "uhci_send_intr_data: No resources"); 7987c478bd9Sstevel@tonic-gate } 7997c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 8007c478bd9Sstevel@tonic-gate 8017c478bd9Sstevel@tonic-gate return (rval); 8027c478bd9Sstevel@tonic-gate } 8037c478bd9Sstevel@tonic-gate 8047c478bd9Sstevel@tonic-gate 8057c478bd9Sstevel@tonic-gate /* 8067c478bd9Sstevel@tonic-gate * uhci_hcdi_pipe_stop_intr_polling() 8077c478bd9Sstevel@tonic-gate */ 8087c478bd9Sstevel@tonic-gate int 8097c478bd9Sstevel@tonic-gate uhci_hcdi_pipe_stop_intr_polling( 8107c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *pipe_handle, 8117c478bd9Sstevel@tonic-gate usb_flags_t flags) 8127c478bd9Sstevel@tonic-gate { 8137c478bd9Sstevel@tonic-gate uhci_state_t *uhcip = 814fffe0b30Sqz uhci_obtain_state(pipe_handle->p_usba_device->usb_root_hub_dip); 815fffe0b30Sqz int rval; 8167c478bd9Sstevel@tonic-gate 8177c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_LISTS, uhcip->uhci_log_hdl, 8187c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_stop_intr_polling: ph = 0x%p fl = 0x%x", 8197c478bd9Sstevel@tonic-gate (void *)pipe_handle, flags); 820fffe0b30Sqz mutex_enter(&uhcip->uhci_int_mutex); 8217c478bd9Sstevel@tonic-gate 822fffe0b30Sqz rval = uhci_stop_periodic_pipe_polling(uhcip, pipe_handle, flags); 823fffe0b30Sqz 824fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 825fffe0b30Sqz 826fffe0b30Sqz return (rval); 8277c478bd9Sstevel@tonic-gate } 8287c478bd9Sstevel@tonic-gate 8297c478bd9Sstevel@tonic-gate 8307c478bd9Sstevel@tonic-gate /* 8317c478bd9Sstevel@tonic-gate * uhci_hcdi_get_current_frame_number 832fffe0b30Sqz * Get the current frame number. 833fffe0b30Sqz * Return whether the request is handled successfully. 8347c478bd9Sstevel@tonic-gate */ 835fffe0b30Sqz int 836fffe0b30Sqz uhci_hcdi_get_current_frame_number( 837fffe0b30Sqz usba_device_t *usba_device, 838fffe0b30Sqz usb_frame_number_t *frame_number) 8397c478bd9Sstevel@tonic-gate { 8407c478bd9Sstevel@tonic-gate uhci_state_t *uhcip = uhci_obtain_state(usba_device->usb_root_hub_dip); 841fffe0b30Sqz int rval; 8427c478bd9Sstevel@tonic-gate 8437c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 844fffe0b30Sqz rval = uhci_state_is_operational(uhcip); 845fffe0b30Sqz 846fffe0b30Sqz if (rval != USB_SUCCESS) { 847fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 848fffe0b30Sqz 849fffe0b30Sqz return (rval); 850fffe0b30Sqz } 851fffe0b30Sqz 852fffe0b30Sqz *frame_number = uhci_get_sw_frame_number(uhcip); 8537c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 8547c478bd9Sstevel@tonic-gate 8557c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 856112116d8Sfb "uhci_hcdi_get_current_frame_number: %llx", 857112116d8Sfb (unsigned long long)(*frame_number)); 8587c478bd9Sstevel@tonic-gate 859fffe0b30Sqz return (rval); 8607c478bd9Sstevel@tonic-gate } 8617c478bd9Sstevel@tonic-gate 8627c478bd9Sstevel@tonic-gate 8637c478bd9Sstevel@tonic-gate /* 8647c478bd9Sstevel@tonic-gate * uhci_hcdi_get_max_isoc_pkts 865fffe0b30Sqz * Get the maximum number of isoc packets per USB Isoch request. 866fffe0b30Sqz * Return whether the request is handled successfully. 8677c478bd9Sstevel@tonic-gate */ 868fffe0b30Sqz int 869fffe0b30Sqz uhci_hcdi_get_max_isoc_pkts( 870fffe0b30Sqz usba_device_t *usba_device, 871fffe0b30Sqz uint_t *max_isoc_pkts_per_request) 8727c478bd9Sstevel@tonic-gate { 8737c478bd9Sstevel@tonic-gate uhci_state_t *uhcip = uhci_obtain_state(usba_device->usb_root_hub_dip); 874fffe0b30Sqz int rval; 875fffe0b30Sqz 876fffe0b30Sqz mutex_enter(&uhcip->uhci_int_mutex); 877fffe0b30Sqz rval = uhci_state_is_operational(uhcip); 878fffe0b30Sqz 879fffe0b30Sqz if (rval != USB_SUCCESS) { 880fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 881fffe0b30Sqz 882fffe0b30Sqz return (rval); 883fffe0b30Sqz } 884fffe0b30Sqz 885fffe0b30Sqz *max_isoc_pkts_per_request = UHCI_MAX_ISOC_PKTS; 886fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 8877c478bd9Sstevel@tonic-gate 8887c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 8897c478bd9Sstevel@tonic-gate "uhci_hcdi_get_max_isoc_pkts: 0x%x", UHCI_MAX_ISOC_PKTS); 8907c478bd9Sstevel@tonic-gate 891fffe0b30Sqz return (rval); 8927c478bd9Sstevel@tonic-gate } 8937c478bd9Sstevel@tonic-gate 8947c478bd9Sstevel@tonic-gate 8957c478bd9Sstevel@tonic-gate /* 8967c478bd9Sstevel@tonic-gate * uhci_hcdi_pipe_isoc_xfer: 8977c478bd9Sstevel@tonic-gate */ 8987c478bd9Sstevel@tonic-gate int 8997c478bd9Sstevel@tonic-gate uhci_hcdi_pipe_isoc_xfer( 9007c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph, 9017c478bd9Sstevel@tonic-gate usb_isoc_req_t *isoc_reqp, 9027c478bd9Sstevel@tonic-gate usb_flags_t flags) 9037c478bd9Sstevel@tonic-gate { 9047c478bd9Sstevel@tonic-gate uhci_state_t *uhcip; 9057c478bd9Sstevel@tonic-gate 9067c478bd9Sstevel@tonic-gate uhcip = uhci_obtain_state(ph->p_usba_device->usb_root_hub_dip); 9077c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 908112116d8Sfb "uhci_hcdi_pipe_isoc_xfer: req=0x%p, uf=0x%x", 909112116d8Sfb (void *)isoc_reqp, flags); 9107c478bd9Sstevel@tonic-gate 9117c478bd9Sstevel@tonic-gate if (UHCI_XFER_DIR(&ph->p_ep) == USB_EP_DIR_IN) { 9127c478bd9Sstevel@tonic-gate 9137c478bd9Sstevel@tonic-gate return (uhci_start_periodic_pipe_polling(uhcip, ph, 914fffe0b30Sqz (usb_opaque_t)isoc_reqp, flags)); 9157c478bd9Sstevel@tonic-gate } else { 9167c478bd9Sstevel@tonic-gate 9177c478bd9Sstevel@tonic-gate return (uhci_pipe_send_isoc_data(uhcip, ph, isoc_reqp, flags)); 9187c478bd9Sstevel@tonic-gate } 9197c478bd9Sstevel@tonic-gate } 9207c478bd9Sstevel@tonic-gate 9217c478bd9Sstevel@tonic-gate 9227c478bd9Sstevel@tonic-gate /* 9237c478bd9Sstevel@tonic-gate * uhci_hcdi_pipe_stop_isoc_polling() 9247c478bd9Sstevel@tonic-gate */ 9257c478bd9Sstevel@tonic-gate int 9267c478bd9Sstevel@tonic-gate uhci_hcdi_pipe_stop_isoc_polling( 9277c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph, 9287c478bd9Sstevel@tonic-gate usb_flags_t flags) 9297c478bd9Sstevel@tonic-gate { 9307c478bd9Sstevel@tonic-gate uhci_state_t *uhcip = 931fffe0b30Sqz uhci_obtain_state(ph->p_usba_device->usb_root_hub_dip); 932fffe0b30Sqz int rval; 9337c478bd9Sstevel@tonic-gate 9347c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_LISTS, uhcip->uhci_log_hdl, 9357c478bd9Sstevel@tonic-gate "uhci_hcdi_pipe_stop_isoc_polling: ph = 0x%p fl = 0x%x", 9367c478bd9Sstevel@tonic-gate (void *)ph, flags); 9377c478bd9Sstevel@tonic-gate 938fffe0b30Sqz mutex_enter(&uhcip->uhci_int_mutex); 939fffe0b30Sqz rval = uhci_state_is_operational(uhcip); 940fffe0b30Sqz 941fffe0b30Sqz if (rval != USB_SUCCESS) { 942fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 943fffe0b30Sqz 944fffe0b30Sqz return (rval); 945fffe0b30Sqz } 946fffe0b30Sqz 947fffe0b30Sqz rval = uhci_stop_periodic_pipe_polling(uhcip, ph, flags); 948fffe0b30Sqz 949fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 950fffe0b30Sqz 951fffe0b30Sqz return (rval); 9527c478bd9Sstevel@tonic-gate } 9537c478bd9Sstevel@tonic-gate 9547c478bd9Sstevel@tonic-gate 9557c478bd9Sstevel@tonic-gate /* 9567c478bd9Sstevel@tonic-gate * uhci_start_periodic_pipe_polling: 9577c478bd9Sstevel@tonic-gate */ 9587c478bd9Sstevel@tonic-gate static int 9597c478bd9Sstevel@tonic-gate uhci_start_periodic_pipe_polling( 9607c478bd9Sstevel@tonic-gate uhci_state_t *uhcip, 9617c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph, 9627c478bd9Sstevel@tonic-gate usb_opaque_t in_reqp, 9637c478bd9Sstevel@tonic-gate usb_flags_t flags) 9647c478bd9Sstevel@tonic-gate { 9657c478bd9Sstevel@tonic-gate int n, num_tds; 966fffe0b30Sqz int error; 9677c478bd9Sstevel@tonic-gate usb_intr_req_t *intr_reqp = (usb_intr_req_t *)in_reqp; 9687c478bd9Sstevel@tonic-gate usb_ep_descr_t *eptd = &ph->p_ep; 9697c478bd9Sstevel@tonic-gate uhci_pipe_private_t *pp = (uhci_pipe_private_t *)ph->p_hcd_private; 9707c478bd9Sstevel@tonic-gate 9717c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 9727c478bd9Sstevel@tonic-gate "uhci_start_periodic_pipe_polling: flags: 0x%x, ep%d", 9737c478bd9Sstevel@tonic-gate flags, eptd->bEndpointAddress); 9747c478bd9Sstevel@tonic-gate 9757c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 9767c478bd9Sstevel@tonic-gate 977fffe0b30Sqz error = uhci_state_is_operational(uhcip); 978fffe0b30Sqz 979fffe0b30Sqz if (error != USB_SUCCESS) { 980fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 981fffe0b30Sqz 982fffe0b30Sqz return (error); 983fffe0b30Sqz } 984fffe0b30Sqz 9857c478bd9Sstevel@tonic-gate if (ph->p_usba_device->usb_addr == ROOT_HUB_ADDR) { 9867c478bd9Sstevel@tonic-gate uint_t pipe_state = uhcip->uhci_root_hub.rh_pipe_state; 9877c478bd9Sstevel@tonic-gate 9887c478bd9Sstevel@tonic-gate ASSERT(pipe_state == UHCI_PIPE_STATE_IDLE); 9897c478bd9Sstevel@tonic-gate ASSERT(UHCI_XFER_DIR(eptd) == USB_EP_DIR_IN); 9907c478bd9Sstevel@tonic-gate 9917c478bd9Sstevel@tonic-gate /* ONE_XFER not supported */ 9927c478bd9Sstevel@tonic-gate ASSERT((intr_reqp->intr_attributes & 9937c478bd9Sstevel@tonic-gate USB_ATTRS_ONE_XFER) == 0); 9947c478bd9Sstevel@tonic-gate ASSERT(uhcip->uhci_root_hub.rh_client_intr_req == NULL); 9957c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_client_intr_req = intr_reqp; 9967c478bd9Sstevel@tonic-gate 9977c478bd9Sstevel@tonic-gate if ((error = uhci_root_hub_allocate_intr_pipe_resource( 9987c478bd9Sstevel@tonic-gate uhcip, flags)) != USB_SUCCESS) { 9997c478bd9Sstevel@tonic-gate /* reset the client interrupt request pointer */ 10007c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_client_intr_req = NULL; 10017c478bd9Sstevel@tonic-gate 10027c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 10037c478bd9Sstevel@tonic-gate 10047c478bd9Sstevel@tonic-gate return (error); 10057c478bd9Sstevel@tonic-gate } 10067c478bd9Sstevel@tonic-gate 10077c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_pipe_state = USB_PIPE_STATE_ACTIVE; 10087c478bd9Sstevel@tonic-gate 10097c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 10107c478bd9Sstevel@tonic-gate "uhci_start_periodic_pipe_polling: " 10117c478bd9Sstevel@tonic-gate "Start intr polling for root hub successful"); 10127c478bd9Sstevel@tonic-gate 10137c478bd9Sstevel@tonic-gate /* check if we need to send the reset data up? */ 10147c478bd9Sstevel@tonic-gate if (uhcip->uhci_root_hub.rh_status) { 10157c478bd9Sstevel@tonic-gate uhci_root_hub_reset_occurred(uhcip, 10167c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_status - 1); 10177c478bd9Sstevel@tonic-gate 10187c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_status = 0; 10197c478bd9Sstevel@tonic-gate } 10207c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 10217c478bd9Sstevel@tonic-gate 10227c478bd9Sstevel@tonic-gate return (error); 10237c478bd9Sstevel@tonic-gate } 10247c478bd9Sstevel@tonic-gate 10257c478bd9Sstevel@tonic-gate /* save the original client's periodic IN request */ 10267c478bd9Sstevel@tonic-gate pp->pp_client_periodic_in_reqp = in_reqp; 10277c478bd9Sstevel@tonic-gate 10287c478bd9Sstevel@tonic-gate ASSERT(pp->pp_state != UHCI_PIPE_STATE_ACTIVE); 10297c478bd9Sstevel@tonic-gate /* 10307c478bd9Sstevel@tonic-gate * 10317c478bd9Sstevel@tonic-gate * This pipe is uninitialized. If it is an isoc 10327c478bd9Sstevel@tonic-gate * receive request, insert four times the same 10337c478bd9Sstevel@tonic-gate * request so that we do not lose any frames. 10347c478bd9Sstevel@tonic-gate */ 10357c478bd9Sstevel@tonic-gate if (UHCI_XFER_TYPE(eptd) == USB_EP_ATTR_ISOCH) { 10367c478bd9Sstevel@tonic-gate for (n = 0; n < 5; n++) { 10377c478bd9Sstevel@tonic-gate if ((error = uhci_start_isoc_receive_polling( 10387c478bd9Sstevel@tonic-gate uhcip, ph, NULL, flags)) != USB_SUCCESS) { 10397c478bd9Sstevel@tonic-gate 10407c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_INTR, 10417c478bd9Sstevel@tonic-gate uhcip->uhci_log_hdl, 10427c478bd9Sstevel@tonic-gate "uhci_start_periodic_pipe_polling: " 10437c478bd9Sstevel@tonic-gate "Start isoc polling failed %d", n); 10447c478bd9Sstevel@tonic-gate 10457c478bd9Sstevel@tonic-gate pp->pp_client_periodic_in_reqp = NULL; 10467c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 10477c478bd9Sstevel@tonic-gate 10487c478bd9Sstevel@tonic-gate return (error); 10497c478bd9Sstevel@tonic-gate } 10507c478bd9Sstevel@tonic-gate } 10517c478bd9Sstevel@tonic-gate } 10527c478bd9Sstevel@tonic-gate 10537c478bd9Sstevel@tonic-gate if (UHCI_XFER_TYPE(eptd) == USB_EP_ATTR_INTR) { 10547c478bd9Sstevel@tonic-gate if ((pp->pp_node < POLLING_FREQ_7MS) && 10557c478bd9Sstevel@tonic-gate (!(intr_reqp->intr_attributes & USB_ATTRS_ONE_XFER))) { 10567c478bd9Sstevel@tonic-gate num_tds = 5; 10577c478bd9Sstevel@tonic-gate } else { 10587c478bd9Sstevel@tonic-gate num_tds = 1; 10597c478bd9Sstevel@tonic-gate } 10607c478bd9Sstevel@tonic-gate 10617c478bd9Sstevel@tonic-gate /* 10627c478bd9Sstevel@tonic-gate * This pipe is uninitialized. 10637c478bd9Sstevel@tonic-gate * Insert a TD on the interrupt ED. 10647c478bd9Sstevel@tonic-gate */ 10657c478bd9Sstevel@tonic-gate for (n = 0; n < num_tds; n++) { 10667c478bd9Sstevel@tonic-gate if ((error = uhci_insert_intr_td(uhcip, ph, NULL, 10677c478bd9Sstevel@tonic-gate flags)) != USB_SUCCESS) { 10687c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_INTR, 10697c478bd9Sstevel@tonic-gate uhcip->uhci_log_hdl, 10707c478bd9Sstevel@tonic-gate "uhci_start_periodic_pipe_polling: " 10717c478bd9Sstevel@tonic-gate "Start polling failed"); 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate pp->pp_client_periodic_in_reqp = NULL; 10747c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 10757c478bd9Sstevel@tonic-gate 10767c478bd9Sstevel@tonic-gate return (error); 10777c478bd9Sstevel@tonic-gate } 10787c478bd9Sstevel@tonic-gate } 10797c478bd9Sstevel@tonic-gate } 10807c478bd9Sstevel@tonic-gate 10817c478bd9Sstevel@tonic-gate pp->pp_state = UHCI_PIPE_STATE_ACTIVE; 10827c478bd9Sstevel@tonic-gate 10837c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 10847c478bd9Sstevel@tonic-gate 10857c478bd9Sstevel@tonic-gate return (error); 10867c478bd9Sstevel@tonic-gate } 10877c478bd9Sstevel@tonic-gate 10887c478bd9Sstevel@tonic-gate 10897c478bd9Sstevel@tonic-gate /* 10907c478bd9Sstevel@tonic-gate * uhci_hcdi_periodic_pipe_stop_polling: 10917c478bd9Sstevel@tonic-gate */ 10927c478bd9Sstevel@tonic-gate static int 10937c478bd9Sstevel@tonic-gate uhci_stop_periodic_pipe_polling(uhci_state_t *uhcip, 10947c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph, usb_flags_t flags) 10957c478bd9Sstevel@tonic-gate { 10967c478bd9Sstevel@tonic-gate uhci_pipe_private_t *pp = (uhci_pipe_private_t *)ph->p_hcd_private; 10977c478bd9Sstevel@tonic-gate usb_ep_descr_t *eptd = &ph->p_ep; 10987c478bd9Sstevel@tonic-gate 10997c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 11007c478bd9Sstevel@tonic-gate "uhci_stop_periodic_pipe_polling: flags = 0x%x", flags); 11017c478bd9Sstevel@tonic-gate 1102fffe0b30Sqz ASSERT(mutex_owned(&uhcip->uhci_int_mutex)); 11037c478bd9Sstevel@tonic-gate if (ph->p_usba_device->usb_addr == ROOT_HUB_ADDR) { 11047c478bd9Sstevel@tonic-gate ASSERT(UHCI_XFER_DIR(eptd) == USB_EP_DIR_IN); 11057c478bd9Sstevel@tonic-gate 11067c478bd9Sstevel@tonic-gate if (uhcip->uhci_root_hub.rh_pipe_state == 11077c478bd9Sstevel@tonic-gate UHCI_PIPE_STATE_ACTIVE) { 11087c478bd9Sstevel@tonic-gate uhcip->uhci_root_hub.rh_pipe_state = 1109fffe0b30Sqz UHCI_PIPE_STATE_IDLE; 11107c478bd9Sstevel@tonic-gate 11117c478bd9Sstevel@tonic-gate /* Do interrupt pipe cleanup */ 11127c478bd9Sstevel@tonic-gate uhci_root_hub_intr_pipe_cleanup(uhcip, 1113fffe0b30Sqz USB_CR_STOPPED_POLLING); 11147c478bd9Sstevel@tonic-gate 11157c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 11167c478bd9Sstevel@tonic-gate "uhci_stop_periodic_pipe_polling: Stop intr " 11177c478bd9Sstevel@tonic-gate "polling for root hub successful"); 11187c478bd9Sstevel@tonic-gate 11197c478bd9Sstevel@tonic-gate } else { 11207c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_INTR, uhcip->uhci_log_hdl, 11217c478bd9Sstevel@tonic-gate "uhci_stop_periodic_pipe_polling: " 11227c478bd9Sstevel@tonic-gate "Intr polling for root hub is already stopped"); 11237c478bd9Sstevel@tonic-gate } 11247c478bd9Sstevel@tonic-gate 11257c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 11267c478bd9Sstevel@tonic-gate } 11277c478bd9Sstevel@tonic-gate 11287c478bd9Sstevel@tonic-gate if (pp->pp_state != UHCI_PIPE_STATE_ACTIVE) { 11297c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_INTR, uhcip->uhci_log_hdl, 11307c478bd9Sstevel@tonic-gate "uhci_stop_periodic_pipe_polling: Polling already stopped"); 11317c478bd9Sstevel@tonic-gate 11327c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 11337c478bd9Sstevel@tonic-gate } 11347c478bd9Sstevel@tonic-gate 11357c478bd9Sstevel@tonic-gate /* 11367c478bd9Sstevel@tonic-gate * Set the terminate bits in all the tds in the queue and 11377c478bd9Sstevel@tonic-gate * in the element_ptr. 11387c478bd9Sstevel@tonic-gate * Do not deallocate the bandwidth or tear down the DMA 11397c478bd9Sstevel@tonic-gate */ 11407c478bd9Sstevel@tonic-gate uhci_modify_td_active_bits(uhcip, pp); 11417c478bd9Sstevel@tonic-gate (void) uhci_wait_for_sof(uhcip); 11427c478bd9Sstevel@tonic-gate 11437c478bd9Sstevel@tonic-gate if (UHCI_XFER_TYPE(eptd) == USB_EP_ATTR_ISOCH) { 11447c478bd9Sstevel@tonic-gate uhci_remove_isoc_tds_tws(uhcip, pp); 11457c478bd9Sstevel@tonic-gate pp->pp_state = UHCI_PIPE_STATE_IDLE; 11467c478bd9Sstevel@tonic-gate } else { 11477c478bd9Sstevel@tonic-gate UHCI_SET_TERMINATE_BIT(pp->pp_qh->element_ptr); 11487c478bd9Sstevel@tonic-gate uhci_update_intr_td_data_toggle(uhcip, pp); 11497c478bd9Sstevel@tonic-gate SetQH32(uhcip, pp->pp_qh->element_ptr, 11507c478bd9Sstevel@tonic-gate TD_PADDR(pp->pp_qh->td_tailp)); 11517c478bd9Sstevel@tonic-gate uhci_remove_tds_tws(uhcip, ph); 11527c478bd9Sstevel@tonic-gate } 11537c478bd9Sstevel@tonic-gate 11547c478bd9Sstevel@tonic-gate pp->pp_state = UHCI_PIPE_STATE_IDLE; 11557c478bd9Sstevel@tonic-gate 11567c478bd9Sstevel@tonic-gate if (pp->pp_client_periodic_in_reqp) { 11577c478bd9Sstevel@tonic-gate uhci_hcdi_callback(uhcip, pp, ph, NULL, USB_CR_STOPPED_POLLING); 11587c478bd9Sstevel@tonic-gate } 11597c478bd9Sstevel@tonic-gate 11607c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 11617c478bd9Sstevel@tonic-gate } 11627c478bd9Sstevel@tonic-gate 11637c478bd9Sstevel@tonic-gate 11647c478bd9Sstevel@tonic-gate /* 11657c478bd9Sstevel@tonic-gate * uhci_hcdi_pipe_send_isoc_data: 11667c478bd9Sstevel@tonic-gate * Handles the isoc write request. 11677c478bd9Sstevel@tonic-gate */ 11687c478bd9Sstevel@tonic-gate static int 11697c478bd9Sstevel@tonic-gate uhci_pipe_send_isoc_data( 11707c478bd9Sstevel@tonic-gate uhci_state_t *uhcip, 11717c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph, 11727c478bd9Sstevel@tonic-gate usb_isoc_req_t *isoc_req, 11737c478bd9Sstevel@tonic-gate usb_flags_t usb_flags) 11747c478bd9Sstevel@tonic-gate { 11757c478bd9Sstevel@tonic-gate int error; 11767c478bd9Sstevel@tonic-gate size_t max_isoc_xfer_sz, length; 11777c478bd9Sstevel@tonic-gate 11787c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 11797c478bd9Sstevel@tonic-gate "uhci_pipe_send_isoc_data: isoc_req = %p flags = %x", 1180112116d8Sfb (void *)isoc_req, usb_flags); 11817c478bd9Sstevel@tonic-gate 11827c478bd9Sstevel@tonic-gate ASSERT(isoc_req->isoc_pkts_count < UHCI_MAX_ISOC_PKTS); 11837c478bd9Sstevel@tonic-gate 11847c478bd9Sstevel@tonic-gate /* Calculate the maximum isochronous transfer size */ 11857c478bd9Sstevel@tonic-gate max_isoc_xfer_sz = UHCI_MAX_ISOC_PKTS * ph->p_ep.wMaxPacketSize; 11867c478bd9Sstevel@tonic-gate 11877c478bd9Sstevel@tonic-gate /* Check the size of isochronous request */ 11887c478bd9Sstevel@tonic-gate ASSERT(isoc_req->isoc_data != NULL); 118922eb7cb5Sgd length = MBLKL(isoc_req->isoc_data); 11907c478bd9Sstevel@tonic-gate 11917c478bd9Sstevel@tonic-gate if (length > max_isoc_xfer_sz) { 11927c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 11937c478bd9Sstevel@tonic-gate "uhci_pipe_send_isoc_data: Maximum isoc request size %lx " 11947c478bd9Sstevel@tonic-gate "Given isoc request size %lx", max_isoc_xfer_sz, length); 11957c478bd9Sstevel@tonic-gate 11967c478bd9Sstevel@tonic-gate return (USB_INVALID_REQUEST); 11977c478bd9Sstevel@tonic-gate } 11987c478bd9Sstevel@tonic-gate 11997c478bd9Sstevel@tonic-gate 12007c478bd9Sstevel@tonic-gate /* 12017c478bd9Sstevel@tonic-gate * Check whether we can insert these tds? 12027c478bd9Sstevel@tonic-gate * At any point of time, we can insert maximum of 1024 isoc td's, 12037c478bd9Sstevel@tonic-gate * size of frame list table. 12047c478bd9Sstevel@tonic-gate */ 12057c478bd9Sstevel@tonic-gate if (isoc_req->isoc_pkts_count > UHCI_MAX_ISOC_PKTS) { 12067c478bd9Sstevel@tonic-gate 12077c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_ISOC, uhcip->uhci_log_hdl, 12087c478bd9Sstevel@tonic-gate "uhci_pipe_send_isoc_data: request too big"); 12097c478bd9Sstevel@tonic-gate 12107c478bd9Sstevel@tonic-gate return (USB_INVALID_REQUEST); 12117c478bd9Sstevel@tonic-gate } 12127c478bd9Sstevel@tonic-gate 12137c478bd9Sstevel@tonic-gate /* Add the TD into the Host Controller's isoc list */ 12147c478bd9Sstevel@tonic-gate mutex_enter(&uhcip->uhci_int_mutex); 12157c478bd9Sstevel@tonic-gate 1216fffe0b30Sqz error = uhci_state_is_operational(uhcip); 1217fffe0b30Sqz 1218fffe0b30Sqz if (error != USB_SUCCESS) { 1219fffe0b30Sqz mutex_exit(&uhcip->uhci_int_mutex); 1220fffe0b30Sqz 1221fffe0b30Sqz return (error); 1222fffe0b30Sqz } 1223fffe0b30Sqz 12247c478bd9Sstevel@tonic-gate if ((error = uhci_insert_isoc_td(uhcip, ph, isoc_req, 12257c478bd9Sstevel@tonic-gate length, usb_flags)) != USB_SUCCESS) { 12267c478bd9Sstevel@tonic-gate 12277c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(PRINT_MASK_ISOC, uhcip->uhci_log_hdl, 12287c478bd9Sstevel@tonic-gate "uhci_pipe_send_isoc_data: Unable to insert the isoc_req," 12297c478bd9Sstevel@tonic-gate "Error = %d", error); 12307c478bd9Sstevel@tonic-gate } 12317c478bd9Sstevel@tonic-gate mutex_exit(&uhcip->uhci_int_mutex); 12327c478bd9Sstevel@tonic-gate 12337c478bd9Sstevel@tonic-gate return (error); 12347c478bd9Sstevel@tonic-gate } 12357c478bd9Sstevel@tonic-gate 12367c478bd9Sstevel@tonic-gate 12377c478bd9Sstevel@tonic-gate /* 12387c478bd9Sstevel@tonic-gate * uhci_update_intr_td_data_toggle 12397c478bd9Sstevel@tonic-gate * Update the data toggle and save in the usba_device structure 12407c478bd9Sstevel@tonic-gate */ 12417c478bd9Sstevel@tonic-gate static void 12427c478bd9Sstevel@tonic-gate uhci_update_intr_td_data_toggle(uhci_state_t *uhcip, uhci_pipe_private_t *pp) 12437c478bd9Sstevel@tonic-gate { 12447c478bd9Sstevel@tonic-gate uint32_t paddr_tail, element_ptr; 12457c478bd9Sstevel@tonic-gate uhci_td_t *next_td; 12467c478bd9Sstevel@tonic-gate 12477c478bd9Sstevel@tonic-gate /* Find the next td that would have been executed */ 12487c478bd9Sstevel@tonic-gate element_ptr = GetQH32(uhcip, pp->pp_qh->element_ptr) & 1249fffe0b30Sqz QH_ELEMENT_PTR_MASK; 12507c478bd9Sstevel@tonic-gate next_td = TD_VADDR(element_ptr); 12517c478bd9Sstevel@tonic-gate paddr_tail = TD_PADDR(pp->pp_qh->td_tailp); 12527c478bd9Sstevel@tonic-gate 12537c478bd9Sstevel@tonic-gate /* 12547c478bd9Sstevel@tonic-gate * If element_ptr points to the dummy td, then the data toggle in 12557c478bd9Sstevel@tonic-gate * pp_data_toggle is correct. Otherwise update the data toggle in 12567c478bd9Sstevel@tonic-gate * the pipe private 12577c478bd9Sstevel@tonic-gate */ 12587c478bd9Sstevel@tonic-gate if (element_ptr != paddr_tail) { 12597c478bd9Sstevel@tonic-gate pp->pp_data_toggle = GetTD_dtogg(uhcip, next_td); 12607c478bd9Sstevel@tonic-gate } 12617c478bd9Sstevel@tonic-gate 12627c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(PRINT_MASK_HCDI, uhcip->uhci_log_hdl, 12637c478bd9Sstevel@tonic-gate "uhci_update_intr_td_data_toggle: " 12647c478bd9Sstevel@tonic-gate "pp %p toggle %x element ptr %x ptail %x", 1265112116d8Sfb (void *)pp, pp->pp_data_toggle, element_ptr, paddr_tail); 12667c478bd9Sstevel@tonic-gate 12677c478bd9Sstevel@tonic-gate uhci_save_data_toggle(pp); 12687c478bd9Sstevel@tonic-gate } 1269