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)|(USB_US_TYPE_STOR<<24) }
  38
  39 #define COMPLIANT_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
  40                     vendorName, productName, useProtocol, useTransport, \
  41                     initFunction, flags) \
  42 { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
  43   .driver_info = (flags) }
  44
  45 #define USUAL_DEV(useProto, useTrans, useType) \
  46 { USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans), \
  47   .driver_info = ((useType)<<24) }
  48
  49 /* Define the device is matched with Vendor ID and interface descriptors */
  50 #define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \
  51                         vendorName, productName, useProtocol, useTransport, \
  52                         initFunction, flags) \
  53 { \
  54         .match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
  55                                 | USB_DEVICE_ID_MATCH_VENDOR, \
  56         .idVendor    = (id_vendor), \
  57         .bInterfaceClass = (cl), \
  58         .bInterfaceSubClass = (sc), \
  59         .bInterfaceProtocol = (pr), \
  60         .driver_info = (flags) \
  61 }
  62
  63 struct usb_device_id usb_storage_usb_ids[] = {
  64 #       include "unusual_devs.h"
  65         { }             /* Terminating entry */
  66 };
  67 EXPORT_SYMBOL_GPL(usb_storage_usb_ids);
  68
  69 MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
  70
  71 #undef UNUSUAL_DEV
  72 #undef COMPLIANT_DEV
  73 #undef USUAL_DEV
  74 #undef UNUSUAL_VENDOR_INTF
  75
  76
  77 /*
  78  * The table of devices to ignore
  79  */
  80 struct ignore_entry {
  81         u16     vid, pid, bcdmin, bcdmax;
  82 };
  83
  84 #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
  85                     vendorName, productName, useProtocol, useTransport, \
  86                     initFunction, flags) \
  87 {                                       \
  88         .vid    = id_vendor,            \
  89         .pid    = id_product,           \
  90         .bcdmin = bcdDeviceMin,         \
  91         .bcdmax = bcdDeviceMax,         \
  92 }
  93
  94 static struct ignore_entry ignore_ids[] = {
  95 #       include "unusual_alauda.h"
  96 #       include "unusual_cypress.h"
  97 #       include "unusual_datafab.h"
  98 #       include "unusual_ene_ub6250.h"
  99 #       include "unusual_freecom.h"
 100 #       include "unusual_isd200.h"
 101 #       include "unusual_jumpshot.h"
 102 #       include "unusual_karma.h"
 103 #       include "unusual_onetouch.h"
 104 #       include "unusual_realtek.h"
 105 #       include "unusual_sddr09.h"
 106 #       include "unusual_sddr55.h"
 107 #       include "unusual_usbat.h"
 108         { }             /* Terminating entry */
 109 };
 110
 111 #undef UNUSUAL_DEV
 112
 113
 114 /* Return an error if a device is in the ignore_ids list */
 115 int usb_usual_ignore_device(struct usb_interface *intf)
 116 {
 117         struct usb_device *udev;
 118         unsigned vid, pid, bcd;
 119         struct ignore_entry *p;
 120
 121         udev = interface_to_usbdev(intf);
 122         vid = le16_to_cpu(udev->descriptor.idVendor);
 123         pid = le16_to_cpu(udev->descriptor.idProduct);
 124         bcd = le16_to_cpu(udev->descriptor.bcdDevice);
 125
 126         for (p = ignore_ids; p->vid; ++p) {
 127                 if (p->vid == vid && p->pid == pid &&
 128                                 p->bcdmin <= bcd && p->bcdmax >= bcd)
 129                         return -ENXIO;
 130         }
 131         return 0;
 132 }
 133 EXPORT_SYMBOL_GPL(usb_usual_ignore_device);