root/usr/src/uts/common/sys/usb/hcd/ehci/ehci_util.h
/*
 * 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 (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
 */

#ifndef _SYS_USB_EHCI_UTIL_H
#define _SYS_USB_EHCI_UTIL_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 EHCI driver data structures and function
 * prototypes for the EHCI Host Controller initilization/deintilization,
 * Bandwidth Allocation and other miscellaneous functionalities.
 */

/*
 * EHCI driver initialization function prototypes.
 */
extern void     ehci_set_dma_attributes(ehci_state_t    *ehcip);
extern int      ehci_allocate_pools(ehci_state_t        *ehcip);
extern void     ehci_decode_ddi_dma_addr_bind_handle_result(
                                ehci_state_t            *ehcip,
                                int                     result);
extern int      ehci_map_regs(ehci_state_t              *ehcip);
extern int      ehci_register_intrs_and_init_mutex(
                                ehci_state_t            *ehcip);
extern int      ehci_init_ctlr(ehci_state_t             *ehcip,
                                int                     init_type);
extern usba_hcdi_ops_t  *ehci_alloc_hcdi_ops(
                                ehci_state_t            *ehcip);

/*
 * EHCI driver deinitialization function prototypes.
 */
extern int      ehci_cleanup(ehci_state_t               *ehcip);
extern int      ehci_cpr_suspend(ehci_state_t           *ehcip);
extern int      ehci_cpr_resume(ehci_state_t            *ehcip);

/*
 * EHCI driver Bandwidth Allocation function prototypes.
 */
extern int      ehci_allocate_bandwidth(ehci_state_t    *ehcip,
                                usba_pipe_handle_data_t *ph,
                                uint_t                  *pnode,
                                uchar_t                 *smask,
                                uchar_t                 *cmask);
extern void     ehci_deallocate_bandwidth(ehci_state_t  *ehcip,
                                usba_pipe_handle_data_t *ph,
                                uint_t                  pnode,
                                uchar_t                 smask,
                                uchar_t                 cmask);
extern int      ehci_adjust_polling_interval(
                                ehci_state_t            *ehcip,
                                usb_ep_descr_t          *endpoint,
                                usb_port_status_t       port_status);

/*
 * EHCI driver miscellaneous function prototypes.
 */
extern ehci_state_t     *ehci_obtain_state(
                                dev_info_t              *dip);
extern int      ehci_state_is_operational(
                                ehci_state_t            *ehcip);
extern int      ehci_do_soft_reset(
                                ehci_state_t            *ehcip);
extern usb_req_attrs_t ehci_get_xfer_attrs(ehci_state_t *ehcip,
                                ehci_pipe_private_t     *pp,
                                ehci_trans_wrapper_t    *tw);
extern usb_frame_number_t ehci_get_current_frame_number(
                                ehci_state_t            *ehcip);
extern int      ehci_wait_for_sof(
                                ehci_state_t            *ehcip);
extern void     ehci_toggle_scheduler(
                                ehci_state_t            *ehcip);
extern void     ehci_toggle_scheduler_on_pipe(ehci_state_t *ehcip);

extern void     ehci_print_caps(ehci_state_t            *ehcip);
extern void     ehci_print_regs(ehci_state_t            *ehcip);
extern void     ehci_print_qh(ehci_state_t              *ehcip,
                                ehci_qh_t               *qh);
extern void     ehci_print_qtd(ehci_state_t             *ehcip,
                                ehci_qtd_t              *qtd);
extern void     ehci_create_stats(ehci_state_t          *ehcip);
extern void     ehci_destroy_stats(ehci_state_t         *ehcip);
extern void     ehci_do_intrs_stats(ehci_state_t        *ehcip,
                                int             val);
extern void     ehci_do_byte_stats(ehci_state_t         *ehcip,
                                size_t          len,
                                uint8_t         attr,
                                uint8_t         addr);

#ifdef __cplusplus
}
#endif

#endif /* _SYS_USB_EHCI_UTIL_H */