xref: /linux/drivers/usb/storage/usual-tables.c (revision d181b34b)
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 = (kernel_ulong_t)(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 const struct usb_device_id usb_storage_usb_ids[] = {
30 #	include "unusual_devs.h"
31 	{ }		/* Terminating entry */
32 };
33 MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
34 
35 #undef UNUSUAL_DEV
36 #undef COMPLIANT_DEV
37 #undef USUAL_DEV
38 
39 /*
40  * The table of devices to ignore
41  */
42 struct ignore_entry {
43 	u16	vid, pid, bcdmin, bcdmax;
44 };
45 
46 #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
47 		    vendorName, productName, useProtocol, useTransport, \
48 		    initFunction, flags) \
49 {					\
50 	.vid	= id_vendor,		\
51 	.pid 	= id_product,		\
52 	.bcdmin	= bcdDeviceMin,		\
53 	.bcdmax = bcdDeviceMax,		\
54 }
55 
56 static const struct ignore_entry ignore_ids[] = {
57 #	include "unusual_alauda.h"
58 #	include "unusual_cypress.h"
59 #	include "unusual_datafab.h"
60 #	include "unusual_ene_ub6250.h"
61 #	include "unusual_freecom.h"
62 #	include "unusual_isd200.h"
63 #	include "unusual_jumpshot.h"
64 #	include "unusual_karma.h"
65 #	include "unusual_onetouch.h"
66 #	include "unusual_realtek.h"
67 #	include "unusual_sddr09.h"
68 #	include "unusual_sddr55.h"
69 #	include "unusual_usbat.h"
70 	{ }		/* Terminating entry */
71 };
72 
73 #undef UNUSUAL_DEV
74 
75 /* Return an error if a device is in the ignore_ids list */
usb_usual_ignore_device(struct usb_interface * intf)76 int usb_usual_ignore_device(struct usb_interface *intf)
77 {
78 	struct usb_device *udev;
79 	unsigned vid, pid, bcd;
80 	const struct ignore_entry *p;
81 
82 	udev = interface_to_usbdev(intf);
83 	vid = le16_to_cpu(udev->descriptor.idVendor);
84 	pid = le16_to_cpu(udev->descriptor.idProduct);
85 	bcd = le16_to_cpu(udev->descriptor.bcdDevice);
86 
87 	for (p = ignore_ids; p->vid; ++p) {
88 		if (p->vid == vid && p->pid == pid &&
89 				p->bcdmin <= bcd && p->bcdmax >= bcd)
90 			return -ENXIO;
91 	}
92 	return 0;
93 }
94