[mirror_ubuntu-zesty-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 },

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

	/* 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
}
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
86833691 LVS	50	/* M-Systems Flash Disk Pioneers */
	51	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
	52
14f3546f AS	53	/* Action Semiconductor flash disk */
	54	{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
	55	USB_QUIRK_STRING_FETCH_255 },
8e80e753	56
86833691 LVS	57	/* SKYMEDI USB_DRIVE */
86833691 LVS	58	{ USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
7ceec1f1	59
14f3546f AS	60	/* INTEL VALUE SSD */
	61	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
	62
7ceec1f1 ON	63	{ } /* terminating entry must be last */
	64	};
	65
7ceec1f1 ON	66	static const struct usb_device_id find_id(struct usb_device udev)
	67	{
	68	const struct usb_device_id *id = usb_quirk_list;
	69
	70	for (; id->idVendor \|\| id->bDeviceClass \|\| id->bInterfaceClass \|\|
	71	id->driver_info; id++) {
	72	if (usb_match_device(udev, id))
	73	return id;
	74	}
	75	return NULL;
	76	}
	77
	78	/*
	79	* Detect any quirks the device has, and do any housekeeping for it if needed.
	80	*/
	81	void usb_detect_quirks(struct usb_device *udev)
	82	{
	83	const struct usb_device_id *id = usb_quirk_list;
	84
	85	id = find_id(udev);
	86	if (id)
	87	udev->quirks = (u32)(id->driver_info);
	88	if (udev->quirks)
	89	dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
	90	udev->quirks);
	91
7d2c5926 AS	92	/* By default, disable autosuspend for all non-hubs */
	93	#ifdef CONFIG_USB_SUSPEND
	94	if (udev->descriptor.bDeviceClass != USB_CLASS_HUB)
a691efa9	95	udev->autosuspend_disabled = 1;
7d2c5926	96	#endif
7ceec1f1	97	}