[mirror_ubuntu-artful-kernel.git] / drivers / usb / core / quirks.c

/*
 * USB device quirk handling logic and table
 *
 * Copyright (c) 2007 Oliver Neukum
 * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 2.
 *
 *
 */

#include <linux/usb.h>
#include <linux/usb/quirks.h>
#include "usb.h"

/* List of quirky USB devices.  Please keep this list ordered by:
 * 	1) Vendor ID
 * 	2) Product ID
 * 	3) Class ID
 *
 * as we want specific devices to be overridden first, and only after that, any
 * class specific quirks.
 *
 * Right now the logic aborts if it finds a valid device in the table, we might
 * want to change that in the future if it turns out that a whole class of
 * devices is broken...
 */
static const struct usb_device_id usb_quirk_list[] = {
	/* CBM - Flash disk */
	{ USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME },

	/* HP 5300/5370C scanner */
	{ USB_DEVICE(0x03f0, 0x0701), .driver_info =
			USB_QUIRK_STRING_FETCH_255 },

	/* Creative SB Audigy 2 NX */
	{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },

	/* Philips PSC805 audio device */
	{ USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },

	/* Roland SC-8820 */
	{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },

	/* Edirol SD-20 */
	{ USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME },

	/* appletouch */
	{ USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },

	/* Avision AV600U */
	{ USB_DEVICE(0x0638, 0x0a13), .driver_info =
	  USB_QUIRK_STRING_FETCH_255 },

	/* Saitek Cyborg Gold Joystick */
	{ USB_DEVICE(0x06a3, 0x0006), .driver_info =
			USB_QUIRK_CONFIG_INTF_STRINGS },

	/* M-Systems Flash Disk Pioneers */
	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },

	/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
	{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },

	/* Action Semiconductor flash disk */
	{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
			USB_QUIRK_STRING_FETCH_255 },

	/* SKYMEDI USB_DRIVE */
	{ USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },

	/* BUILDWIN Photo Frame */
	{ USB_DEVICE(0x1908, 0x1315), .driver_info =
			USB_QUIRK_HONOR_BNUMINTERFACES },

	/* INTEL VALUE SSD */
	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },

	{ }  /* terminating entry must be last */
};

static const struct usb_device_id *find_id(struct usb_device *udev)
{
	const struct usb_device_id *id = usb_quirk_list;

	for (; id->idVendor || id->bDeviceClass || id->bInterfaceClass ||
			id->driver_info; id++) {
		if (usb_match_device(udev, id))
			return id;
	}
	return NULL;
}

/*
 * Detect any quirks the device has, and do any housekeeping for it if needed.
 */
void usb_detect_quirks(struct usb_device *udev)
{
	const struct usb_device_id *id = usb_quirk_list;

	id = find_id(udev);
	if (id)
		udev->quirks = (u32)(id->driver_info);
	if (udev->quirks)
		dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
				udev->quirks);

#ifdef	CONFIG_USB_SUSPEND

	/* By default, disable autosuspend for all devices.  The hub driver
	 * will enable it for hubs.
	 */
	usb_disable_autosuspend(udev);

	/* Autosuspend can also be disabled if the initial autosuspend_delay
	 * is negative.
	 */
	if (udev->autosuspend_delay < 0)
		usb_autoresume_device(udev);

#endif

	/* For the present, all devices default to USB-PERSIST enabled */
#if 0		/* was: #ifdef CONFIG_PM */
	/* Hubs are automatically enabled for USB-PERSIST */
	if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
		udev->persist_enabled = 1;

#else
	/* In the absence of PM, we can safely enable USB-PERSIST
	 * for all devices.  It will affect things like hub resets
	 * and EMF-related port disables.
	 */
	if (!(udev->quirks & USB_QUIRK_RESET_MORPHS))
		udev->persist_enabled = 1;
#endif	/* CONFIG_PM */
}
Commit	Line	Data
7ceec1f1 ON	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[] = {
ce05916f ON	31	/* CBM - Flash disk */
ce05916f ON	32	{ USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME },
14f3546f	33
7ceec1f1	34	/* HP 5300/5370C scanner */
14f3546f AS	35	{ USB_DEVICE(0x03f0, 0x0701), .driver_info =
14f3546f AS	36	USB_QUIRK_STRING_FETCH_255 },
e6a20ff9	37
b68a42b1 ON	38	/* Creative SB Audigy 2 NX */
	39	{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
	40
14f3546f AS	41	/* Philips PSC805 audio device */
	42	{ USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
	43
b68a42b1 ON	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
90d95ef6 ON	50	/* appletouch */
	51	{ USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
	52
598eff6d RR	53	/* Avision AV600U */
	54	{ USB_DEVICE(0x0638, 0x0a13), .driver_info =
	55	USB_QUIRK_STRING_FETCH_255 },
	56
1662e3a7 AS	57	/* Saitek Cyborg Gold Joystick */
	58	{ USB_DEVICE(0x06a3, 0x0006), .driver_info =
	59	USB_QUIRK_CONFIG_INTF_STRINGS },
	60
86833691 LVS	61	/* M-Systems Flash Disk Pioneers */
	62	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
	63
392e1d98 AS	64	/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
	65	{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
	66
14f3546f AS	67	/* Action Semiconductor flash disk */
	68	{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
	69	USB_QUIRK_STRING_FETCH_255 },
8e80e753	70
86833691 LVS	71	/* SKYMEDI USB_DRIVE */
86833691 LVS	72	{ USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
7ceec1f1	73
317149c6 HG	74	/* BUILDWIN Photo Frame */
	75	{ USB_DEVICE(0x1908, 0x1315), .driver_info =
	76	USB_QUIRK_HONOR_BNUMINTERFACES },
	77
14f3546f AS	78	/* INTEL VALUE SSD */
	79	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
	80
7ceec1f1 ON	81	{ } /* terminating entry must be last */
	82	};
	83
7ceec1f1 ON	84	static const struct usb_device_id find_id(struct usb_device udev)
	85	{
	86	const struct usb_device_id *id = usb_quirk_list;
	87
	88	for (; id->idVendor \|\| id->bDeviceClass \|\| id->bInterfaceClass \|\|
	89	id->driver_info; id++) {
	90	if (usb_match_device(udev, id))
	91	return id;
	92	}
	93	return NULL;
	94	}
	95
	96	/*
	97	* Detect any quirks the device has, and do any housekeeping for it if needed.
	98	*/
	99	void usb_detect_quirks(struct usb_device *udev)
	100	{
	101	const struct usb_device_id *id = usb_quirk_list;
	102
	103	id = find_id(udev);
	104	if (id)
	105	udev->quirks = (u32)(id->driver_info);
	106	if (udev->quirks)
	107	dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
	108	udev->quirks);
	109
5899f1e0 AS	110	#ifdef CONFIG_USB_SUSPEND
5899f1e0 AS	111
088f7fec AS	112	/* By default, disable autosuspend for all devices. The hub driver
	113	* will enable it for hubs.
	114	*/
	115	usb_disable_autosuspend(udev);
feccc30d	116
5899f1e0 AS	117	/* Autosuspend can also be disabled if the initial autosuspend_delay
	118	* is negative.
	119	*/
	120	if (udev->autosuspend_delay < 0)
	121	usb_autoresume_device(udev);
	122
	123	#endif
	124
9214d1d8 AS	125	/* For the present, all devices default to USB-PERSIST enabled */
9214d1d8 AS	126	#if 0 /* was: #ifdef CONFIG_PM */
feccc30d AS	127	/* Hubs are automatically enabled for USB-PERSIST */
	128	if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
	129	udev->persist_enabled = 1;
9214d1d8	130
feccc30d	131	#else
9214d1d8	132	/* In the absence of PM, we can safely enable USB-PERSIST
feccc30d AS	133	* for all devices. It will affect things like hub resets
	134	* and EMF-related port disables.
	135	*/
5d398779 ON	136	if (!(udev->quirks & USB_QUIRK_RESET_MORPHS))
5d398779 ON	137	udev->persist_enabled = 1;
feccc30d	138	#endif /* CONFIG_PM */
7ceec1f1	139	}