source: mainline/uspace/drv/uhci/main.c@ 1879a7d

/*
 * Copyright (c) 2010 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.
 */
#include <usb/hcdhubd.h>
#include <usb_iface.h>
#include <usb/debug.h>
#include <errno.h>
#include <str_error.h>
#include <driver.h>
#include "uhci.h"

static int usb_iface_get_hc_handle(device_t *dev, devman_handle_t *handle)
{
        /* This shall be called only for the UHCI itself. */
        assert(dev->parent == NULL);

        *handle = dev->handle;
        return EOK;
}

static usb_iface_t hc_usb_iface = {
        .get_hc_handle = usb_iface_get_hc_handle
};

static device_ops_t uhci_ops = {
        .interfaces[USB_DEV_IFACE] = &hc_usb_iface,
        .interfaces[USBHC_DEV_IFACE] = &uhci_iface
};

static int uhci_add_device(device_t *device)
{
        usb_dprintf(NAME, 1, "uhci_add_device() called\n");
        device->ops = &uhci_ops;

        uintptr_t io_reg_base;
        size_t io_reg_size;
        int irq;

        int rc = pci_get_my_registers(device,
            &io_reg_base, &io_reg_size, &irq);

        if (rc != EOK) {
                fprintf(stderr,
                    NAME ": failed to get I/O registers addresses: %s.\n",
                    str_error(rc));
                return rc;
        }

        usb_dprintf(NAME, 2, "I/O regs at 0x%X (size %zu), IRQ %d.\n",
            io_reg_base, io_reg_size, irq);

        /*
         * We need to announce the presence of our root hub.
         */
        usb_dprintf(NAME, 2, "adding root hub\n");
        usb_hcd_add_root_hub(device);

        return EOK;
}

static driver_ops_t uhci_driver_ops = {
        .add_device = uhci_add_device,
};

static driver_t uhci_driver = {
        .name = NAME,
        .driver_ops = &uhci_driver_ops
};

int main(int argc, char *argv[])
{
        /*
         * Do some global initializations.
         */
        sleep(5);
        usb_dprintf_enable(NAME, 5);

        return driver_main(&uhci_driver);
}