Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / usb / core / otg_whitelist.h

diff --git a/kernel/drivers/usb/core/otg_whitelist.h b/kernel/drivers/usb/core/otg_whitelist.h
new file mode 100644 (file)
index 0000000..a6315ab
--- /dev/null
+++ b/kernel/drivers/usb/core/otg_whitelist.h
@@ -0,0 +1,110 @@
+/*
+ * drivers/usb/core/otg_whitelist.h
+ *
+ * Copyright (C) 2004 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+/*
+ * This OTG and Embedded Host Whitelist 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 whitelist_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    defined(CONFIG_USB_TEST) || defined(CONFIG_USB_TEST_MODULE)
+/* gadget zero, for testing */
+{ USB_DEVICE(0x0525, 0xa4a0), },
+#endif
+
+{ }    /* Terminating entry */
+};
+
+static int is_targeted(struct usb_device *dev)
+{
+       struct usb_device_id    *id = whitelist_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 = whitelist_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;
+}
+