[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 },

	/* Logitech Harmony 700-series */
	{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },

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

	/* Artisman Watchdog Dongle */
	{ USB_DEVICE(0x04b4, 0x0526), .driver_info =
			USB_QUIRK_CONFIG_INTF_STRINGS },

	/* 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 },

	/* Broadcom BCM92035DGROM BT dongle */
	{ USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME },

	/* 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
93362a87 PD	41	/* Logitech Harmony 700-series */
	42	{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
	43
14f3546f AS	44	/* Philips PSC805 audio device */
	45	{ USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
	46
47f19c0e PM	47	/* Artisman Watchdog Dongle */
	48	{ USB_DEVICE(0x04b4, 0x0526), .driver_info =
	49	USB_QUIRK_CONFIG_INTF_STRINGS },
	50
b68a42b1 ON	51	/* Roland SC-8820 */
	52	{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
	53
	54	/* Edirol SD-20 */
	55	{ USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME },
	56
90d95ef6 ON	57	/* appletouch */
	58	{ USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
	59
598eff6d RR	60	/* Avision AV600U */
	61	{ USB_DEVICE(0x0638, 0x0a13), .driver_info =
	62	USB_QUIRK_STRING_FETCH_255 },
	63
1662e3a7 AS	64	/* Saitek Cyborg Gold Joystick */
	65	{ USB_DEVICE(0x06a3, 0x0006), .driver_info =
	66	USB_QUIRK_CONFIG_INTF_STRINGS },
	67
86833691 LVS	68	/* M-Systems Flash Disk Pioneers */
	69	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
	70
392e1d98 AS	71	/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
	72	{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
	73
63ab71de ON	74	/* Broadcom BCM92035DGROM BT dongle */
	75	{ USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME },
	76
14f3546f AS	77	/* Action Semiconductor flash disk */
	78	{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
	79	USB_QUIRK_STRING_FETCH_255 },
8e80e753	80
86833691 LVS	81	/* SKYMEDI USB_DRIVE */
86833691 LVS	82	{ USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
7ceec1f1	83
317149c6 HG	84	/* BUILDWIN Photo Frame */
	85	{ USB_DEVICE(0x1908, 0x1315), .driver_info =
	86	USB_QUIRK_HONOR_BNUMINTERFACES },
	87
14f3546f AS	88	/* INTEL VALUE SSD */
	89	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
	90
7ceec1f1 ON	91	{ } /* terminating entry must be last */
	92	};
	93
7ceec1f1 ON	94	static const struct usb_device_id find_id(struct usb_device udev)
	95	{
	96	const struct usb_device_id *id = usb_quirk_list;
	97
	98	for (; id->idVendor \|\| id->bDeviceClass \|\| id->bInterfaceClass \|\|
	99	id->driver_info; id++) {
	100	if (usb_match_device(udev, id))
	101	return id;
	102	}
	103	return NULL;
	104	}
	105
	106	/*
	107	* Detect any quirks the device has, and do any housekeeping for it if needed.
	108	*/
	109	void usb_detect_quirks(struct usb_device *udev)
	110	{
	111	const struct usb_device_id *id = usb_quirk_list;
	112
	113	id = find_id(udev);
	114	if (id)
	115	udev->quirks = (u32)(id->driver_info);
	116	if (udev->quirks)
	117	dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
	118	udev->quirks);
	119
5899f1e0 AS	120	#ifdef CONFIG_USB_SUSPEND
5899f1e0 AS	121
088f7fec AS	122	/* By default, disable autosuspend for all devices. The hub driver
	123	* will enable it for hubs.
	124	*/
	125	usb_disable_autosuspend(udev);
feccc30d	126
5899f1e0 AS	127	/* Autosuspend can also be disabled if the initial autosuspend_delay
	128	* is negative.
	129	*/
	130	if (udev->autosuspend_delay < 0)
	131	usb_autoresume_device(udev);
	132
	133	#endif
	134
9214d1d8 AS	135	/* For the present, all devices default to USB-PERSIST enabled */
9214d1d8 AS	136	#if 0 /* was: #ifdef CONFIG_PM */
feccc30d AS	137	/* Hubs are automatically enabled for USB-PERSIST */
	138	if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
	139	udev->persist_enabled = 1;
9214d1d8	140
feccc30d	141	#else
9214d1d8	142	/* In the absence of PM, we can safely enable USB-PERSIST
feccc30d AS	143	* for all devices. It will affect things like hub resets
	144	* and EMF-related port disables.
	145	*/
5d398779 ON	146	if (!(udev->quirks & USB_QUIRK_RESET_MORPHS))
5d398779 ON	147	udev->persist_enabled = 1;
feccc30d	148	#endif /* CONFIG_PM */
7ceec1f1	149	}