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 /* Philips PSC805 audio device */ 42 { USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME }, 43 44 /* Roland SC-8820 */ 45 { USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME }, 46 47 /* Edirol SD-20 */ 48 { USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME }, 49 50 /* appletouch */ 51 { USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME }, 52 53 /* Avision AV600U */ 54 { USB_DEVICE(0x0638, 0x0a13), .driver_info = 55 USB_QUIRK_STRING_FETCH_255 }, 56 57 /* M-Systems Flash Disk Pioneers */ 58 { USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME }, 59 60 /* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */ 61 { USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF }, 62 63 /* Action Semiconductor flash disk */ 64 { USB_DEVICE(0x10d6, 0x2200), .driver_info = 65 USB_QUIRK_STRING_FETCH_255 }, 66 67 /* SKYMEDI USB_DRIVE */ 68 { USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME }, 69 70 /* INTEL VALUE SSD */ 71 { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME }, 72 73 { } /* terminating entry must be last */ 74 }; 75 76 static const struct usb_device_id *find_id(struct usb_device *udev) 77 { 78 const struct usb_device_id *id = usb_quirk_list; 79 80 for (; id->idVendor || id->bDeviceClass || id->bInterfaceClass || 81 id->driver_info; id++) { 82 if (usb_match_device(udev, id)) 83 return id; 84 } 85 return NULL; 86 } 87 88 /* 89 * Detect any quirks the device has, and do any housekeeping for it if needed. 90 */ 91 void usb_detect_quirks(struct usb_device *udev) 92 { 93 const struct usb_device_id *id = usb_quirk_list; 94 95 id = find_id(udev); 96 if (id) 97 udev->quirks = (u32)(id->driver_info); 98 if (udev->quirks) 99 dev_dbg(&udev->dev, "USB quirks for this device: %x\n", 100 udev->quirks); 101 102 /* By default, disable autosuspend for all non-hubs */ 103 #ifdef CONFIG_USB_SUSPEND 104 if (udev->descriptor.bDeviceClass != USB_CLASS_HUB) 105 udev->autosuspend_disabled = 1; 106 #endif 107 108 /* For the present, all devices default to USB-PERSIST enabled */ 109 #if 0 /* was: #ifdef CONFIG_PM */ 110 /* Hubs are automatically enabled for USB-PERSIST */ 111 if (udev->descriptor.bDeviceClass == USB_CLASS_HUB) 112 udev->persist_enabled = 1; 113 114 #else 115 /* In the absence of PM, we can safely enable USB-PERSIST 116 * for all devices. It will affect things like hub resets 117 * and EMF-related port disables. 118 */ 119 udev->persist_enabled = 1; 120 #endif /* CONFIG_PM */ 121 } 122