source: mainline/uspace/drv/bus/usb/ehci/hc_iface.c@ 193da9d6

/*
 * Copyright (c) 2011 Vojtech Horky
 * 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 drvusbehci
 * @{
 */
/** @file
 * USB-HC interface implementation.
 */
#include <ddf/driver.h>
#include <ddf/interrupt.h>
#include <device/hw_res.h>
#include <errno.h>
#include <str_error.h>

#include <usb_iface.h>
#include <usb/ddfiface.h>
#include <usb/debug.h>

#include "ehci.h"

#define UNSUPPORTED(methodname) \
        usb_log_debug("Client called unsupported interface method " \
            "`%s()' in %s:%d.\n", \
            methodname, __FILE__, __LINE__)

/** Found free USB address.
 *
 * @param[in] fun Device function the action was invoked on.
 * @param[in] speed Speed of the device that will get this address.
 * @param[out] address Non-null pointer where to store the free address.
 * @return Error code.
 */
static int request_address(ddf_fun_t *fun, usb_speed_t speed,
    usb_address_t *address)
{
        UNSUPPORTED("request_address");

        return ENOTSUP;
}

/** Bind USB address with device devman handle.
 *
 * @param[in] fun Device function the action was invoked on.
 * @param[in] address USB address of the device.
 * @param[in] handle Devman handle of the device.
 * @return Error code.
 */
static int bind_address(ddf_fun_t *fun,
    usb_address_t address, devman_handle_t handle)
{
        UNSUPPORTED("bind_address");

        return ENOTSUP;
}

/** Find device handle by USB address.
 *
 * @param[in] fun DDF function that was called.
 * @param[in] address Address in question.
 * @param[out] handle Where to store device handle if found.
 * @return Error code.
 */
static int find_by_address(ddf_fun_t *fun, usb_address_t address,
    devman_handle_t *handle)
{
        UNSUPPORTED("find_by_address");

        return ENOTSUP;
}

/** Release previously requested address.
 *
 * @param[in] fun Device function the action was invoked on.
 * @param[in] address USB address to be released.
 * @return Error code.
 */
static int release_address(ddf_fun_t *fun, usb_address_t address)
{
        UNSUPPORTED("release_address");

        return ENOTSUP;
}

/** Register endpoint for bandwidth reservation.
 *
 * @param[in] fun Device function the action was invoked on.
 * @param[in] address USB address of the device.
 * @param[in] speed Endpoint speed (invalid means to use device one).
 * @param[in] endpoint Endpoint number.
 * @param[in] transfer_type USB transfer type.
 * @param[in] direction Endpoint data direction.
 * @param[in] max_packet_size Max packet size of the endpoint.
 * @param[in] interval Polling interval.
 * @return Error code.
 */
static int register_endpoint(ddf_fun_t *fun,
    usb_address_t address, usb_speed_t speed, usb_endpoint_t endpoint,
    usb_transfer_type_t transfer_type, usb_direction_t direction,
    size_t max_packet_size, unsigned int interval)
{
        UNSUPPORTED("register_endpoint");

        return ENOTSUP;
}

/** Unregister endpoint (free some bandwidth reservation).
 *
 * @param[in] fun Device function the action was invoked on.
 * @param[in] address USB address of the device.
 * @param[in] endpoint Endpoint number.
 * @param[in] direction Endpoint data direction.
 * @return Error code.
 */
static int unregister_endpoint(ddf_fun_t *fun, usb_address_t address,
    usb_endpoint_t endpoint, usb_direction_t direction)
{
        UNSUPPORTED("unregister_endpoint");

        return ENOTSUP;
}

/** Host controller interface implementation for EHCI. */
usbhc_iface_t ehci_hc_iface = {
        .request_address = request_address,
        .bind_address = bind_address,
        .find_by_address = find_by_address,
        .release_address = release_address,

        .register_endpoint = register_endpoint,
        .unregister_endpoint = unregister_endpoint,
};

/**
 * @}
 */