drivers/usb/storage/usual-tables.c

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