xref: /openbmc/linux/drivers/usb/core/quirks.c (revision 25985edc)
1 /*
2  * USB device quirk handling logic and table
3  *
4  * Copyright (c) 2007 Oliver Neukum
5  * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the Free
9  * Software Foundation, version 2.
10  *
11  *
12  */
13 
14 #include <linux/usb.h>
15 #include <linux/usb/quirks.h>
16 #include "usb.h"
17 
18 /* List of quirky USB devices.  Please keep this list ordered by:
19  * 	1) Vendor ID
20  * 	2) Product ID
21  * 	3) Class ID
22  *
23  * as we want specific devices to be overridden first, and only after that, any
24  * class specific quirks.
25  *
26  * Right now the logic aborts if it finds a valid device in the table, we might
27  * want to change that in the future if it turns out that a whole class of
28  * devices is broken...
29  */
30 static const struct usb_device_id usb_quirk_list[] = {
31 	/* CBM - Flash disk */
32 	{ USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME },
33 
34 	/* HP 5300/5370C scanner */
35 	{ USB_DEVICE(0x03f0, 0x0701), .driver_info =
36 			USB_QUIRK_STRING_FETCH_255 },
37 
38 	/* Creative SB Audigy 2 NX */
39 	{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
40 
41 	/* Logitech Harmony 700-series */
42 	{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
43 
44 	/* Philips PSC805 audio device */
45 	{ USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
46 
47 	/* Artisman Watchdog Dongle */
48 	{ USB_DEVICE(0x04b4, 0x0526), .driver_info =
49 			USB_QUIRK_CONFIG_INTF_STRINGS },
50 
51 	/* Samsung Android phone modem - ID conflict with SPH-I500 */
52 	{ USB_DEVICE(0x04e8, 0x6601), .driver_info =
53 			USB_QUIRK_CONFIG_INTF_STRINGS },
54 
55 	/* Roland SC-8820 */
56 	{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
57 
58 	/* Edirol SD-20 */
59 	{ USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME },
60 
61 	/* appletouch */
62 	{ USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
63 
64 	/* Avision AV600U */
65 	{ USB_DEVICE(0x0638, 0x0a13), .driver_info =
66 	  USB_QUIRK_STRING_FETCH_255 },
67 
68 	/* Saitek Cyborg Gold Joystick */
69 	{ USB_DEVICE(0x06a3, 0x0006), .driver_info =
70 			USB_QUIRK_CONFIG_INTF_STRINGS },
71 
72 	/* M-Systems Flash Disk Pioneers */
73 	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
74 
75 	/* Keytouch QWERTY Panel keyboard */
76 	{ USB_DEVICE(0x0926, 0x3333), .driver_info =
77 			USB_QUIRK_CONFIG_INTF_STRINGS },
78 
79 	/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
80 	{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
81 
82 	/* Broadcom BCM92035DGROM BT dongle */
83 	{ USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME },
84 
85 	/* Action Semiconductor flash disk */
86 	{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
87 			USB_QUIRK_STRING_FETCH_255 },
88 
89 	/* SKYMEDI USB_DRIVE */
90 	{ USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
91 
92 	/* BUILDWIN Photo Frame */
93 	{ USB_DEVICE(0x1908, 0x1315), .driver_info =
94 			USB_QUIRK_HONOR_BNUMINTERFACES },
95 
96 	/* INTEL VALUE SSD */
97 	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
98 
99 	{ }  /* terminating entry must be last */
100 };
101 
102 static const struct usb_device_id *find_id(struct usb_device *udev)
103 {
104 	const struct usb_device_id *id = usb_quirk_list;
105 
106 	for (; id->idVendor || id->bDeviceClass || id->bInterfaceClass ||
107 			id->driver_info; id++) {
108 		if (usb_match_device(udev, id))
109 			return id;
110 	}
111 	return NULL;
112 }
113 
114 /*
115  * Detect any quirks the device has, and do any housekeeping for it if needed.
116  */
117 void usb_detect_quirks(struct usb_device *udev)
118 {
119 	const struct usb_device_id *id = usb_quirk_list;
120 
121 	id = find_id(udev);
122 	if (id)
123 		udev->quirks = (u32)(id->driver_info);
124 	if (udev->quirks)
125 		dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
126 				udev->quirks);
127 
128 	/* For the present, all devices default to USB-PERSIST enabled */
129 #if 0		/* was: #ifdef CONFIG_PM */
130 	/* Hubs are automatically enabled for USB-PERSIST */
131 	if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
132 		udev->persist_enabled = 1;
133 
134 #else
135 	/* In the absence of PM, we can safely enable USB-PERSIST
136 	 * for all devices.  It will affect things like hub resets
137 	 * and EMF-related port disables.
138 	 */
139 	if (!(udev->quirks & USB_QUIRK_RESET_MORPHS))
140 		udev->persist_enabled = 1;
141 #endif	/* CONFIG_PM */
142 }
143