drivers/usb/storage/usual-tables.c

   1 /*
   2  * Driver for USB Mass Storage devices
   3  * Usual Tables File for usb-storage and libusual
   4  *
   5  * Copyright (C) 2009 Alan Stern (stern@rowland.harvard.edu)
   6  *
   7  * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more
   8  * information about this driver.
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU General Public License as published by the
  12  * Free Software Foundation; either version 2, or (at your option) any
  13  * later version.
  14  *
  15  * This program is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 #include <linux/kernel.h>
  26 #include <linux/module.h>
  27 #include <linux/usb.h>
  28 #include <linux/usb_usual.h>
  29
  30
  31 /*
  32  * The table of devices
  33  */
  34 #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
  35                     vendorName, productName, useProtocol, useTransport, \
  36                     initFunction, flags) \
  37 { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
  38   .driver_info = (flags) }
  39
  40 #define COMPLIANT_DEV   UNUSUAL_DEV
  41
  42 #define USUAL_DEV(useProto, useTrans) \
  43 { USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans) }
  44
  45 /* Define the device is matched with Vendor ID and interface descriptors */
  46 #define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \
  47                         vendorName, productName, useProtocol, useTransport, \
  48                         initFunction, flags) \
  49 { \
  50         .match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
  51                                 | USB_DEVICE_ID_MATCH_VENDOR, \
  52         .idVendor    = (id_vendor), \
  53         .bInterfaceClass = (cl), \
  54         .bInterfaceSubClass = (sc), \
  55         .bInterfaceProtocol = (pr), \
  56         .driver_info = (flags) \
  57 }
  58
  59 struct usb_device_id usb_storage_usb_ids[] = {
  60 #       include "unusual_devs.h"
  61         { }             /* Terminating entry */
  62 };
  63 MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
  64
  65 #undef UNUSUAL_DEV
  66 #undef COMPLIANT_DEV
  67 #undef USUAL_DEV
  68 #undef UNUSUAL_VENDOR_INTF
  69
  70 /*
  71  * The table of devices to ignore
  72  */
  73 struct ignore_entry {
  74         u16     vid, pid, bcdmin, bcdmax;
  75 };
  76
  77 #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
  78                     vendorName, productName, useProtocol, useTransport, \
  79                     initFunction, flags) \
  80 {                                       \
  81         .vid    = id_vendor,            \
  82         .pid    = id_product,           \
  83         .bcdmin = bcdDeviceMin,         \
  84         .bcdmax = bcdDeviceMax,         \
  85 }
  86
  87 static struct ignore_entry ignore_ids[] = {
  88 #       include "unusual_alauda.h"
  89 #       include "unusual_cypress.h"
  90 #       include "unusual_datafab.h"
  91 #       include "unusual_ene_ub6250.h"
  92 #       include "unusual_freecom.h"
  93 #       include "unusual_isd200.h"
  94 #       include "unusual_jumpshot.h"
  95 #       include "unusual_karma.h"
  96 #       include "unusual_onetouch.h"
  97 #       include "unusual_realtek.h"
  98 #       include "unusual_sddr09.h"
  99 #       include "unusual_sddr55.h"
 100 #       include "unusual_usbat.h"
 101         { }             /* Terminating entry */
 102 };
 103
 104 #undef UNUSUAL_DEV
 105
 106 /* Return an error if a device is in the ignore_ids list */
 107 int usb_usual_ignore_device(struct usb_interface *intf)
 108 {
 109         struct usb_device *udev;
 110         unsigned vid, pid, bcd;
 111         struct ignore_entry *p;
 112
 113         udev = interface_to_usbdev(intf);
 114         vid = le16_to_cpu(udev->descriptor.idVendor);
 115         pid = le16_to_cpu(udev->descriptor.idProduct);
 116         bcd = le16_to_cpu(udev->descriptor.bcdDevice);
 117
 118         for (p = ignore_ids; p->vid; ++p) {
 119                 if (p->vid == vid && p->pid == pid &&
 120                                 p->bcdmin <= bcd && p->bcdmax >= bcd)
 121                         return -ENXIO;
 122         }
 123         return 0;
 124 }