1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_USB_EHCI_ISOCH_H 28 #define _SYS_USB_EHCI_ISOCH_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Enchanced Host Controller Driver (EHCI) 38 * 39 * The EHCI driver is a software driver which interfaces to the Universal 40 * Serial Bus layer (USBA) and the Host Controller (HC). The interface to 41 * the Host Controller is defined by the EHCI Host Controller Interface. 42 * 43 * This header file describes the data structures and function prototypes 44 * related EHCI driver isochronous support. 45 */ 46 47 extern int 48 ehci_isoc_init( 49 ehci_state_t *ehcip); 50 51 extern void 52 ehci_isoc_cleanup( 53 ehci_state_t *ehcip); 54 55 extern void 56 ehci_isoc_pipe_cleanup( 57 ehci_state_t *ehcip, 58 usba_pipe_handle_data_t *ph); 59 60 extern ehci_isoc_xwrapper_t * 61 ehci_allocate_isoc_resources( 62 ehci_state_t *ehcip, 63 usba_pipe_handle_data_t *ph, 64 usb_isoc_req_t *isoc_reqp, 65 usb_flags_t usb_flags); 66 67 extern int 68 ehci_insert_isoc_req( 69 ehci_state_t *ehcip, 70 ehci_pipe_private_t *pp, 71 ehci_isoc_xwrapper_t *itw, 72 usb_flags_t usb_flags); 73 74 extern int 75 ehci_start_isoc_polling( 76 ehci_state_t *ehcip, 77 usba_pipe_handle_data_t *ph, 78 usb_flags_t flags); 79 80 extern void 81 ehci_traverse_active_isoc_list( 82 ehci_state_t *ehcip); 83 84 extern void 85 ehci_hcdi_isoc_callback( 86 usba_pipe_handle_data_t *ph, 87 ehci_isoc_xwrapper_t *itw, 88 usb_cr_t completion_reason); 89 90 #define EHCI_SITD_MAX_XFER_SIZE 1023 91 #define EHCI_MAX_ISOC_PKTS_PER_XFER 256 92 93 #ifdef __cplusplus 94 } 95 #endif 96 97 #endif /* _SYS_USB_EHCI_ISOCH_H */ 98