1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Driver for USB Mass Storage devices
4  * Usual Tables File for usb-storage and libusual
5  *
6  * Copyright (C) 2009 Alan Stern (stern@rowland.harvard.edu)
7  */
8 
9 #include <linux/kernel.h>
10 #include <linux/module.h>
11 #include <linux/usb.h>
12 #include <linux/usb_usual.h>
13 
14 
15 /*
16  * The table of devices
17  */
18 #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
19 		    vendorName, productName, useProtocol, useTransport, \
20 		    initFunction, flags) \
21 { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
22   .driver_info = (flags) }
23 
24 #define COMPLIANT_DEV	UNUSUAL_DEV
25 
26 #define USUAL_DEV(useProto, useTrans) \
27 { USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans) }
28 
29 /* Define the device is matched with Vendor ID and interface descriptors */
30 #define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \
31 			vendorName, productName, useProtocol, useTransport, \
32 			initFunction, flags) \
33 { \
34 	.match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
35 				| USB_DEVICE_ID_MATCH_VENDOR, \
36 	.idVendor    = (id_vendor), \
37 	.bInterfaceClass = (cl), \
38 	.bInterfaceSubClass = (sc), \
39 	.bInterfaceProtocol = (pr), \
40 	.driver_info = (flags) \
41 }
42 
43 struct usb_device_id usb_storage_usb_ids[] = {
44 #	include "unusual_devs.h"
45 	{ }		/* Terminating entry */
46 };
47 MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
48 
49 #undef UNUSUAL_DEV
50 #undef COMPLIANT_DEV
51 #undef USUAL_DEV
52 #undef UNUSUAL_VENDOR_INTF
53 
54 /*
55  * The table of devices to ignore
56  */
57 struct ignore_entry {
58 	u16	vid, pid, bcdmin, bcdmax;
59 };
60 
61 #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
62 		    vendorName, productName, useProtocol, useTransport, \
63 		    initFunction, flags) \
64 {					\
65 	.vid	= id_vendor,		\
66 	.pid 	= id_product,		\
67 	.bcdmin	= bcdDeviceMin,		\
68 	.bcdmax = bcdDeviceMax,		\
69 }
70 
71 static struct ignore_entry ignore_ids[] = {
72 #	include "unusual_alauda.h"
73 #	include "unusual_cypress.h"
74 #	include "unusual_datafab.h"
75 #	include "unusual_ene_ub6250.h"
76 #	include "unusual_freecom.h"
77 #	include "unusual_isd200.h"
78 #	include "unusual_jumpshot.h"
79 #	include "unusual_karma.h"
80 #	include "unusual_onetouch.h"
81 #	include "unusual_realtek.h"
82 #	include "unusual_sddr09.h"
83 #	include "unusual_sddr55.h"
84 #	include "unusual_usbat.h"
85 	{ }		/* Terminating entry */
86 };
87 
88 #undef UNUSUAL_DEV
89 
90 /* Return an error if a device is in the ignore_ids list */
91 int usb_usual_ignore_device(struct usb_interface *intf)
92 {
93 	struct usb_device *udev;
94 	unsigned vid, pid, bcd;
95 	struct ignore_entry *p;
96 
97 	udev = interface_to_usbdev(intf);
98 	vid = le16_to_cpu(udev->descriptor.idVendor);
99 	pid = le16_to_cpu(udev->descriptor.idProduct);
100 	bcd = le16_to_cpu(udev->descriptor.bcdDevice);
101 
102 	for (p = ignore_ids; p->vid; ++p) {
103 		if (p->vid == vid && p->pid == pid &&
104 				p->bcdmin <= bcd && p->bcdmax >= bcd)
105 			return -ENXIO;
106 	}
107 	return 0;
108 }
109