source: mainline/uspace/drv/uhci/uhci.h@ 45c4f5a

/*
 * Copyright (c) 2010 Jan Vesely
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/** @addtogroup usb
 * @{
 */
/** @file
 * @brief UHCI driver
 */
#ifndef DRV_UHCI_UHCI_H
#define DRV_UHCI_UHCI_H

#include <fibril.h>

#include <usb/addrkeep.h>
#include <usb/hcdhubd.h>
#include <usbhc_iface.h>

#include "root_hub/root_hub.h"
#include "transfer_list.h"

typedef struct uhci_regs {
        uint16_t usbcmd;
        uint16_t usbsts;
        uint16_t usbintr;
        uint16_t frnum;
        uint32_t flbaseadd;
        uint8_t sofmod;
} regs_t;

#define TRANSFER_QUEUES 4
#define UHCI_FRAME_LIST_COUNT 1024

typedef struct uhci {
        usb_address_keeping_t address_manager;
        uhci_root_hub_t root_hub;
        volatile regs_t *registers;

        link_pointer_t *frame_list;

        transfer_list_t transfers[TRANSFER_QUEUES];
        fid_t cleaner;
} uhci_t;

/* init uhci specifics in device.driver_data */
int uhci_init( device_t *device, void *regs );

int uhci_destroy( device_t *device );

int uhci_in(
  device_t *dev,
        usb_target_t target,
        usb_transfer_type_t transfer_type,
        void *buffer, size_t size,
        usbhc_iface_transfer_in_callback_t callback, void *arg
        );

int uhci_out(
  device_t *dev,
        usb_target_t target,
  usb_transfer_type_t transfer_type,
  void *buffer, size_t size,
        usbhc_iface_transfer_out_callback_t callback, void *arg
  );

int uhci_setup(
  device_t *dev,
  usb_target_t target,
  usb_transfer_type_t transfer_type,
  void *buffer, size_t size,
  usbhc_iface_transfer_out_callback_t callback, void *arg
  );

#endif
/**
 * @}
 */