[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 },

	/* 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 },

	/* 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);

	/* By default, disable autosuspend for all non-hubs */
#ifdef	CONFIG_USB_SUSPEND
	if (udev->descriptor.bDeviceClass != USB_CLASS_HUB)
		udev->autosuspend_disabled = 1;
#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.
	 */
	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
86833691 LVS	57	/* M-Systems Flash Disk Pioneers */
	58	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
	59
392e1d98 AS	60	/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
	61	{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
	62
14f3546f AS	63	/* Action Semiconductor flash disk */
	64	{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
	65	USB_QUIRK_STRING_FETCH_255 },
8e80e753	66
86833691 LVS	67	/* SKYMEDI USB_DRIVE */
86833691 LVS	68	{ USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
7ceec1f1	69
14f3546f AS	70	/* INTEL VALUE SSD */
	71	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
	72
7ceec1f1 ON	73	{ } /* terminating entry must be last */
	74	};
	75
7ceec1f1 ON	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
7d2c5926 AS	102	/* By default, disable autosuspend for all non-hubs */
	103	#ifdef CONFIG_USB_SUSPEND
	104	if (udev->descriptor.bDeviceClass != USB_CLASS_HUB)
a691efa9	105	udev->autosuspend_disabled = 1;
7d2c5926	106	#endif
feccc30d	107
9214d1d8 AS	108	/* For the present, all devices default to USB-PERSIST enabled */
9214d1d8 AS	109	#if 0 /* was: #ifdef CONFIG_PM */
feccc30d AS	110	/* Hubs are automatically enabled for USB-PERSIST */
	111	if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
	112	udev->persist_enabled = 1;
9214d1d8	113
feccc30d	114	#else
9214d1d8	115	/* In the absence of PM, we can safely enable USB-PERSIST
feccc30d AS	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 */
7ceec1f1	121	}