/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (C) 2004 Texas Instruments */

/*
 * This OTG and Embedded Host list is "Targeted Peripheral List".
 * It should mostly use of USB_DEVICE() or USB_DEVICE_VER() entries..
 *
 * YOU _SHOULD_ CHANGE THIS LIST TO MATCH YOUR PRODUCT AND ITS TESTING!
 */

static struct usb_device_id productlist_table[] = {

/* hubs are optional in OTG, but very handy ... */
{ USB_DEVICE_INFO(USB_CLASS_HUB, 0, 0), },
{ USB_DEVICE_INFO(USB_CLASS_HUB, 0, 1), },

#ifdef  CONFIG_USB_PRINTER              /* ignoring nonstatic linkage! */
/* FIXME actually, printers are NOT supposed to use device classes;
 * they're supposed to use interface classes...
 */
{ USB_DEVICE_INFO(7, 1, 1) },
{ USB_DEVICE_INFO(7, 1, 2) },
{ USB_DEVICE_INFO(7, 1, 3) },
#endif

#ifdef  CONFIG_USB_NET_CDCETHER
/* Linux-USB CDC Ethernet gadget */
{ USB_DEVICE(0x0525, 0xa4a1), },
/* Linux-USB CDC Ethernet + RNDIS gadget */
{ USB_DEVICE(0x0525, 0xa4a2), },
#endif

#if     IS_ENABLED(CONFIG_USB_TEST)
/* gadget zero, for testing */
{ USB_DEVICE(0x0525, 0xa4a0), },
#endif

{ }     /* Terminating entry */
};

static int is_targeted(struct usb_device *dev)
{
        struct usb_device_id    *id = productlist_table;

        /* HNP test device is _never_ targeted (see OTG spec 6.6.6) */
        if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
             le16_to_cpu(dev->descriptor.idProduct) == 0xbadd))
                return 0;

        /* OTG PET device is always targeted (see OTG 2.0 ECN 6.4.2) */
        if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
             le16_to_cpu(dev->descriptor.idProduct) == 0x0200))
                return 1;

        /* NOTE: can't use usb_match_id() since interface caches
         * aren't set up yet. this is cut/paste from that code.
         */
        for (id = productlist_table; id->match_flags; id++) {
                if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
                    id->idVendor != le16_to_cpu(dev->descriptor.idVendor))
                        continue;

                if ((id->match_flags & USB_DEVICE_ID_MATCH_PRODUCT) &&
                    id->idProduct != le16_to_cpu(dev->descriptor.idProduct))
                        continue;

                /* No need to test id->bcdDevice_lo != 0, since 0 is never
                   greater than any unsigned number. */
                if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO) &&
                    (id->bcdDevice_lo > le16_to_cpu(dev->descriptor.bcdDevice)))
                        continue;

                if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI) &&
                    (id->bcdDevice_hi < le16_to_cpu(dev->descriptor.bcdDevice)))
                        continue;

                if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_CLASS) &&
                    (id->bDeviceClass != dev->descriptor.bDeviceClass))
                        continue;

                if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) &&
                    (id->bDeviceSubClass != dev->descriptor.bDeviceSubClass))
                        continue;

                if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) &&
                    (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol))
                        continue;

                return 1;
        }

        /* add other match criteria here ... */


        /* OTG MESSAGE: report errors here, customize to match your product */
        dev_err(&dev->dev, "device v%04x p%04x is not supported\n",
                le16_to_cpu(dev->descriptor.idVendor),
                le16_to_cpu(dev->descriptor.idProduct));

        return 0;
}