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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_USB_EHCI_ISOCH_UTIL_H 27 #define _SYS_USB_EHCI_ISOCH_UTIL_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * Isochronous pool functions 37 */ 38 extern int ehci_allocate_isoc_pools( 39 ehci_state_t *ehcip); 40 extern int ehci_get_itd_pool_size(); 41 42 /* 43 * Isochronous Transfer Wrapper Functions 44 */ 45 extern ehci_isoc_xwrapper_t *ehci_allocate_itw_resources( 46 ehci_state_t *ehcip, 47 ehci_pipe_private_t *pp, 48 size_t itw_length, 49 usb_flags_t usb_flags, 50 size_t pkt_count); 51 extern void ehci_deallocate_itw( 52 ehci_state_t *ehcip, 53 ehci_pipe_private_t *pp, 54 ehci_isoc_xwrapper_t *itw); 55 56 /* 57 * Isochronous transfer descripter functions 58 */ 59 extern ehci_itd_t *ehci_allocate_itd( 60 ehci_state_t *ehcip); 61 62 extern void ehci_deallocate_itd( 63 ehci_state_t *ehcip, 64 ehci_isoc_xwrapper_t *itw, 65 ehci_itd_t *old_itd); 66 extern uint_t ehci_calc_num_itds( 67 ehci_isoc_xwrapper_t *itw, 68 size_t pkt_count); 69 extern int ehci_allocate_itds_for_itw( 70 ehci_state_t *ehcip, 71 ehci_isoc_xwrapper_t *itw, 72 uint_t itd_count); 73 extern void ehci_insert_itd_on_itw( 74 ehci_state_t *ehcip, 75 ehci_isoc_xwrapper_t *itw, 76 ehci_itd_t *itd); 77 extern void ehci_insert_itd_into_active_list( 78 ehci_state_t *ehcip, 79 ehci_itd_t *itd); 80 extern void ehci_remove_itd_from_active_list( 81 ehci_state_t *ehcip, 82 ehci_itd_t *itd); 83 extern ehci_itd_t *ehci_create_done_itd_list( 84 ehci_state_t *ehcip); 85 extern int ehci_insert_isoc_to_pfl( 86 ehci_state_t *ehcip, 87 ehci_pipe_private_t *pp, 88 ehci_isoc_xwrapper_t *itw); 89 extern void ehci_remove_isoc_from_pfl( 90 ehci_state_t *ehcip, 91 ehci_itd_t *curr_itd); 92 93 /* 94 * Isochronous in resource functions 95 */ 96 extern int ehci_allocate_isoc_in_resource( 97 ehci_state_t *ehcip, 98 ehci_pipe_private_t *pp, 99 ehci_isoc_xwrapper_t *tw, 100 usb_flags_t flags); 101 extern void ehci_deallocate_isoc_in_resource( 102 ehci_state_t *ehcip, 103 ehci_pipe_private_t *pp, 104 ehci_isoc_xwrapper_t *itw); 105 106 /* 107 * Isochronous memory addr functions 108 */ 109 extern uint32_t ehci_itd_cpu_to_iommu( 110 ehci_state_t *ehcip, 111 ehci_itd_t *addr); 112 113 extern ehci_itd_t *ehci_itd_iommu_to_cpu( 114 ehci_state_t *ehcip, 115 uintptr_t addr); 116 117 /* 118 * Error parsing functions 119 */ 120 extern void ehci_parse_isoc_error( 121 ehci_state_t *ehcip, 122 ehci_isoc_xwrapper_t *itw, 123 ehci_itd_t *itd); 124 125 /* 126 * print functions 127 */ 128 extern void ehci_print_itd( 129 ehci_state_t *ehcip, 130 ehci_itd_t *itd); 131 extern void ehci_print_sitd( 132 ehci_state_t *ehcip, 133 ehci_itd_t *itd); 134 135 #ifdef __cplusplus 136 } 137 #endif 138 139 #endif /* _SYS_USB_EHCI_ISOCH_UTIL_H */ 140