/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id: usb-pp.c 12360 2007-02-17 21:54:17Z bagder $
 *
 * Copyright (C) 2002 by Linus Nielsen Feltzing
 *
 * iPod driver based on code from the ipodlinux project - http://ipodlinux.org
 * Adapted for Rockbox in January 2006
 * Original file: podzilla/usb.c
 * Copyright (C) 2005 Adam Johnston
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
#include "config.h"
#include "cpu.h"
#include "kernel.h"
#include "thread.h"
#include "system.h"
#include "debug.h"
#include "ata.h"
#include "fat.h"
#include "disk.h"
#include "panic.h"
#include "lcd.h"
#include "adc.h"
#include "usb.h"
#include "button.h"
#include "sprintf.h"
#include "string.h"
#include "hwcompat.h"

#include "usb-target.h"
#include "arcotg_udc.h"

void usb_init_device(void)
{
    int r0;
    outl(inl(0x70000084) | 0x200, 0x70000084);

    outl(inl(0x7000002C) | 0x3000000, 0x7000002C);
    DEV_EN |= DEV_USB;

    DEV_RS |= DEV_USB; /* reset usb start */
    DEV_RS &=~DEV_USB;/* reset usb end */

    DEV_INIT |= INIT_USB;
    while ((inl(0x70000028) & 0x80) == 0);

    UDC_PORTSC1 |= PORTSCX_PORT_RESET;
    while ((UDC_PORTSC1 & PORTSCX_PORT_RESET) != 0);

    UDC_OTGSC |= 0x5F000000;
    if( (UDC_OTGSC & 0x100) == 0) {
        UDC_USBMODE &=~ USB_MODE_CTRL_MODE_HOST;
        UDC_USBMODE |= USB_MODE_CTRL_MODE_DEVICE;
        outl(inl(0x70000028) | 0x4000, 0x70000028);
        outl(inl(0x70000028) | 0x2, 0x70000028);
    } else {
        UDC_USBMODE |= USB_MODE_CTRL_MODE_DEVICE;
        outl(inl(0x70000028) &~0x4000, 0x70000028);
        outl(inl(0x70000028) | 0x2, 0x70000028);
    }
    
    
    UDC_USBCMD |= USB_CMD_CTRL_RESET;
    while((UDC_USBCMD & USB_CMD_CTRL_RESET) != 0);
    
    r0 = UDC_PORTSC1;

    /* Note from IPL source (referring to next 5 lines of code: 
       THIS NEEDS TO BE CHANGED ONCE THERE IS KERNEL USB */
    DEV_INIT |= INIT_USB;
    DEV_EN |= DEV_USB;
    while ((inl(0x70000028) & 0x80) == 0);
    outl(inl(0x70000028) | 0x2, 0x70000028);

    udelay(0x186A0);


}

void usb_enable(bool on)
{
    (void)on;
}

bool usb_detect(void)
{
    return false;
}