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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_USB_EHCI_ISOCH_H
#define _SYS_USB_EHCI_ISOCH_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* Enchanced Host Controller Driver (EHCI)
*
* The EHCI driver is a software driver which interfaces to the Universal
* Serial Bus layer (USBA) and the Host Controller (HC). The interface to
* the Host Controller is defined by the EHCI Host Controller Interface.
*
* This header file describes the data structures and function prototypes
* related EHCI driver isochronous support.
*/
extern int
ehci_isoc_init(
ehci_state_t *ehcip);
extern void
ehci_isoc_cleanup(
ehci_state_t *ehcip);
extern void
ehci_isoc_pipe_cleanup(
ehci_state_t *ehcip,
usba_pipe_handle_data_t *ph);
extern ehci_isoc_xwrapper_t *
ehci_allocate_isoc_resources(
ehci_state_t *ehcip,
usba_pipe_handle_data_t *ph,
usb_isoc_req_t *isoc_reqp,
usb_flags_t usb_flags);
extern int
ehci_insert_isoc_req(
ehci_state_t *ehcip,
ehci_pipe_private_t *pp,
ehci_isoc_xwrapper_t *itw,
usb_flags_t usb_flags);
extern int
ehci_start_isoc_polling(
ehci_state_t *ehcip,
usba_pipe_handle_data_t *ph,
usb_flags_t flags);
extern void
ehci_traverse_active_isoc_list(
ehci_state_t *ehcip);
extern void
ehci_hcdi_isoc_callback(
usba_pipe_handle_data_t *ph,
ehci_isoc_xwrapper_t *itw,
usb_cr_t completion_reason);
#define EHCI_SITD_MAX_XFER_SIZE 1023
#define EHCI_MAX_ISOC_PKTS_PER_XFER 1024
#ifdef __cplusplus
}
#endif
#endif /* _SYS_USB_EHCI_ISOCH_H */
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