[linux-2.6-block.git] / drivers / hid / usbhid / hid-quirks.c

/*
 *  USB HID quirks support for Linux
 *
 *  Copyright (c) 1999 Andreas Gal
 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
 *  Copyright (c) 2006-2007 Jiri Kosina
 *  Copyright (c) 2007 Paul Walmsley
 */

/*
 * 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; either version 2 of the License, or (at your option)
 * any later version.
 */

#include <linux/hid.h>
#include <linux/export.h>
#include <linux/slab.h>

#include "../hid-ids.h"

/*
 * Alphabetically sorted blacklist by quirk type.
 */

static const struct hid_blacklist {
	__u16 idVendor;
	__u16 idProduct;
	__u32 quirks;
} hid_blacklist[] = {
	{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
	{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
	{ USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
	{ USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
	{ USB_VENDOR_ID_DWAV, USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER, HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_MOJO, USB_DEVICE_ID_RETRO_ADAPTER, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_NATSU, USB_DEVICE_ID_NATSU_GAMEPAD, HID_QUIRK_BADPAD },
	{ USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
	{ USB_VENDOR_ID_NEXTWINDOW, USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN, HID_QUIRK_MULTI_INPUT},
	{ USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
	{ USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },

	{ USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL },

	{ USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_GREENASIA, USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
	{ USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS, HID_QUIRK_MULTI_INPUT },

	{ USB_VENDOR_ID_AIREN, USB_DEVICE_ID_AIREN_SLIMPLUS, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FIGHTERSTICK, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_ECLIPSE_YOKE, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_THROTTLE, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS },
	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS },
	{ USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },

	{ USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },

	{ USB_VENDOR_ID_PI_ENGINEERING, USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL, HID_QUIRK_HIDINPUT_FORCE },

	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_MULTI_TOUCH, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_SIGMA_MICRO, USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD, HID_QUIRK_NO_INIT_REPORTS },
	{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X, HID_QUIRK_MULTI_INPUT },
	{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X, HID_QUIRK_MULTI_INPUT },
	{ 0, 0 }
};

/* Dynamic HID quirks list - specified at runtime */
struct quirks_list_struct {
	struct hid_blacklist hid_bl_item;
	struct list_head node;
};

static LIST_HEAD(dquirks_list);
static DECLARE_RWSEM(dquirks_rwsem);

/* Runtime ("dynamic") quirks manipulation functions */

/**
 * usbhid_exists_dquirk: find any dynamic quirks for a USB HID device
 * @idVendor: the 16-bit USB vendor ID, in native byteorder
 * @idProduct: the 16-bit USB product ID, in native byteorder
 *
 * Description:
 *         Scans dquirks_list for a matching dynamic quirk and returns
 *         the pointer to the relevant struct hid_blacklist if found.
 *         Must be called with a read lock held on dquirks_rwsem.
 *
 * Returns: NULL if no quirk found, struct hid_blacklist * if found.
 */
static struct hid_blacklist *usbhid_exists_dquirk(const u16 idVendor,
		const u16 idProduct)
{
	struct quirks_list_struct *q;
	struct hid_blacklist *bl_entry = NULL;

	list_for_each_entry(q, &dquirks_list, node) {
		if (q->hid_bl_item.idVendor == idVendor &&
				q->hid_bl_item.idProduct == idProduct) {
			bl_entry = &q->hid_bl_item;
			break;
		}
	}

	if (bl_entry != NULL)
		dbg_hid("Found dynamic quirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
				bl_entry->quirks, bl_entry->idVendor,
				bl_entry->idProduct);

	return bl_entry;
}


/**
 * usbhid_modify_dquirk: add/replace a HID quirk
 * @idVendor: the 16-bit USB vendor ID, in native byteorder
 * @idProduct: the 16-bit USB product ID, in native byteorder
 * @quirks: the u32 quirks value to add/replace
 *
 * Description:
 *         If an dynamic quirk exists in memory for this (idVendor,
 *         idProduct) pair, replace its quirks value with what was
 *         provided.  Otherwise, add the quirk to the dynamic quirks list.
 *
 * Returns: 0 OK, -error on failure.
 */
static int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct,
				const u32 quirks)
{
	struct quirks_list_struct *q_new, *q;
	int list_edited = 0;

	if (!idVendor) {
		dbg_hid("Cannot add a quirk with idVendor = 0\n");
		return -EINVAL;
	}

	q_new = kmalloc(sizeof(struct quirks_list_struct), GFP_KERNEL);
	if (!q_new) {
		dbg_hid("Could not allocate quirks_list_struct\n");
		return -ENOMEM;
	}

	q_new->hid_bl_item.idVendor = idVendor;
	q_new->hid_bl_item.idProduct = idProduct;
	q_new->hid_bl_item.quirks = quirks;

	down_write(&dquirks_rwsem);

	list_for_each_entry(q, &dquirks_list, node) {

		if (q->hid_bl_item.idVendor == idVendor &&
				q->hid_bl_item.idProduct == idProduct) {

			list_replace(&q->node, &q_new->node);
			kfree(q);
			list_edited = 1;
			break;

		}

	}

	if (!list_edited)
		list_add_tail(&q_new->node, &dquirks_list);

	up_write(&dquirks_rwsem);

	return 0;
}

/**
 * usbhid_remove_all_dquirks: remove all runtime HID quirks from memory
 *
 * Description:
 *         Free all memory associated with dynamic quirks - called before
 *         module unload.
 *
 */
static void usbhid_remove_all_dquirks(void)
{
	struct quirks_list_struct *q, *temp;

	down_write(&dquirks_rwsem);
	list_for_each_entry_safe(q, temp, &dquirks_list, node) {
		list_del(&q->node);
		kfree(q);
	}
	up_write(&dquirks_rwsem);

}

/** 
 * usbhid_quirks_init: apply USB HID quirks specified at module load time
 */
int usbhid_quirks_init(char **quirks_param)
{
	u16 idVendor, idProduct;
	u32 quirks;
	int n = 0, m;

	for (; n < MAX_USBHID_BOOT_QUIRKS && quirks_param[n]; n++) {

		m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
				&idVendor, &idProduct, &quirks);

		if (m != 3 ||
				usbhid_modify_dquirk(idVendor, idProduct, quirks) != 0) {
			printk(KERN_WARNING
					"Could not parse HID quirk module param %s\n",
					quirks_param[n]);
		}
	}

	return 0;
}

/**
 * usbhid_quirks_exit: release memory associated with dynamic_quirks
 *
 * Description:
 *     Release all memory associated with dynamic quirks.  Called upon
 *     module unload.
 *
 * Returns: nothing
 */
void usbhid_quirks_exit(void)
{
	usbhid_remove_all_dquirks();
}

/**
 * usbhid_exists_squirk: return any static quirks for a USB HID device
 * @idVendor: the 16-bit USB vendor ID, in native byteorder
 * @idProduct: the 16-bit USB product ID, in native byteorder
 *
 * Description:
 *     Given a USB vendor ID and product ID, return a pointer to
 *     the hid_blacklist entry associated with that device.
 *
 * Returns: pointer if quirk found, or NULL if no quirks found.
 */
static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor,
		const u16 idProduct)
{
	const struct hid_blacklist *bl_entry = NULL;
	int n = 0;

	for (; hid_blacklist[n].idVendor; n++)
		if (hid_blacklist[n].idVendor == idVendor &&
				hid_blacklist[n].idProduct == idProduct)
			bl_entry = &hid_blacklist[n];

	if (bl_entry != NULL)
		dbg_hid("Found squirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
				bl_entry->quirks, bl_entry->idVendor, 
				bl_entry->idProduct);
	return bl_entry;
}

/**
 * usbhid_lookup_quirk: return any quirks associated with a USB HID device
 * @idVendor: the 16-bit USB vendor ID, in native byteorder
 * @idProduct: the 16-bit USB product ID, in native byteorder
 *
 * Description:
 *     Given a USB vendor ID and product ID, return any quirks associated
 *     with that device.
 *
 * Returns: a u32 quirks value.
 */
u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct)
{
	u32 quirks = 0;
	const struct hid_blacklist *bl_entry = NULL;

	/* NCR devices must not be queried for reports */
	if (idVendor == USB_VENDOR_ID_NCR &&
			idProduct >= USB_DEVICE_ID_NCR_FIRST &&
			idProduct <= USB_DEVICE_ID_NCR_LAST)
			return HID_QUIRK_NO_INIT_REPORTS;

	down_read(&dquirks_rwsem);
	bl_entry = usbhid_exists_dquirk(idVendor, idProduct);
	if (!bl_entry)
		bl_entry = usbhid_exists_squirk(idVendor, idProduct);
	if (bl_entry)
		quirks = bl_entry->quirks;
	up_read(&dquirks_rwsem);

	return quirks;
}

EXPORT_SYMBOL_GPL(usbhid_lookup_quirk);
Commit	Line	Data
2eb5dc30 PW	1	/*
	2	* USB HID quirks support for Linux
	3	*
	4	* Copyright (c) 1999 Andreas Gal
	5	* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
	6	* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
	7	* Copyright (c) 2006-2007 Jiri Kosina
	8	* Copyright (c) 2007 Paul Walmsley
	9	*/
	10
	11	/*
	12	* This program is free software; you can redistribute it and/or modify it
	13	* under the terms of the GNU General Public License as published by the Free
	14	* Software Foundation; either version 2 of the License, or (at your option)
	15	* any later version.
	16	*/
	17
	18	#include <linux/hid.h>
ec37d321	19	#include <linux/export.h>
5a0e3ad6	20	#include <linux/slab.h>
2eb5dc30	21
990436a7	22	#include "../hid-ids.h"
a32bcc45	23
2eb5dc30 PW	24	/*
	25	* Alphabetically sorted blacklist by quirk type.
	26	*/
	27
	28	static const struct hid_blacklist {
	29	__u16 idVendor;
	30	__u16 idProduct;
	31	__u32 quirks;
	32	} hid_blacklist[] = {
2eb5dc30 PW	33	{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
	34	{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
	35	{ USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
	36	{ USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
d34c4aa4	37	{ USB_VENDOR_ID_DWAV, USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER, HID_QUIRK_MULTI_INPUT \| HID_QUIRK_NOGET },
1f45e324	38	{ USB_VENDOR_ID_MOJO, USB_DEVICE_ID_RETRO_ADAPTER, HID_QUIRK_MULTI_INPUT },
2eb5dc30 PW	39	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD \| HID_QUIRK_MULTI_INPUT },
	40	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD \| HID_QUIRK_MULTI_INPUT },
	41	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD \| HID_QUIRK_MULTI_INPUT },
c9bde7ad	42	{ USB_VENDOR_ID_NATSU, USB_DEVICE_ID_NATSU_GAMEPAD, HID_QUIRK_BADPAD },
2eb5dc30	43	{ USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
9db630b4	44	{ USB_VENDOR_ID_NEXTWINDOW, USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN, HID_QUIRK_MULTI_INPUT},
2eb5dc30 PW	45	{ USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
2eb5dc30 PW	46	{ USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
2c3e3bfb	47
f345c37c PS	48	{ USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL },
f345c37c PS	49
cd07655e	50	{ USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II, HID_QUIRK_MULTI_INPUT },
8127f4e8	51	{ USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH, HID_QUIRK_MULTI_INPUT },
6d1db077	52	{ USB_VENDOR_ID_GREENASIA, USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD, HID_QUIRK_MULTI_INPUT },
2eb5dc30 PW	53	{ USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT \| HID_QUIRK_SKIP_OUTPUT_REPORTS },
2eb5dc30 PW	54	{ USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT },
c2c3489c	55	{ USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS, HID_QUIRK_MULTI_INPUT },
2eb5dc30	56
37891abc	57	{ USB_VENDOR_ID_AIREN, USB_DEVICE_ID_AIREN_SLIMPLUS, HID_QUIRK_NOGET },
2eb5dc30 PW	58	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
	59	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
	60	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
	61	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
	62	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
724ed328	63	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FIGHTERSTICK, HID_QUIRK_NOGET },
b820aabf	64	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET },
c8e84646	65	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_ECLIPSE_YOKE, HID_QUIRK_NOGET },
b820aabf	66	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET },
da60325d	67	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_THROTTLE, HID_QUIRK_NOGET },
b820aabf	68	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET },
73cdcf56	69	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET },
8038298f	70	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
02008faa	71	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
d500d116	72	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
b7ea95ff AT	73	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
	74	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS },
	75	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS },
c2c3489c	76	{ USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET },
c565c54d	77	{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NOGET },
8d31321c	78	{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET },
2eb5dc30	79	{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
4b5730fa JK	80	{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET },
4b5730fa JK	81	{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET },
2eb5dc30	82	{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
25e61613	83	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT },
eff7f270	84	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U, HID_QUIRK_MULTI_INPUT },
426409b1	85	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5, HID_QUIRK_MULTI_INPUT },
e23be0a2	86	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60, HID_QUIRK_MULTI_INPUT },
f8a489cc NK	87	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U, HID_QUIRK_MULTI_INPUT },
f8a489cc NK	88	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U, HID_QUIRK_MULTI_INPUT },
72a46344	89	{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH, HID_QUIRK_MULTI_INPUT },
8f1acc32	90	{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH, HID_QUIRK_MULTI_INPUT },
d2ee4dd9	91	{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET, HID_QUIRK_MULTI_INPUT },
2eb5dc30 PW	92	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET \| HID_QUIRK_MULTI_INPUT },
2eb5dc30 PW	93
66ebf66e	94	{ USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET \| HID_QUIRK_MULTI_INPUT },
2eb5dc30	95
70c7c9c4 DM	96	{ USB_VENDOR_ID_PI_ENGINEERING, USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL, HID_QUIRK_HIDINPUT_FORCE },
70c7c9c4 DM	97
7cacfa87	98	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_MULTI_TOUCH, HID_QUIRK_MULTI_INPUT },
b9e4b1e0	99	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS, HID_QUIRK_MULTI_INPUT },
f5e42825	100	{ USB_VENDOR_ID_SIGMA_MICRO, USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD, HID_QUIRK_NO_INIT_REPORTS },
22ca20b2 NK	101	{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X, HID_QUIRK_MULTI_INPUT },
22ca20b2 NK	102	{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X, HID_QUIRK_MULTI_INPUT },
ea9a4a8b JK	103	{ 0, 0 }
	104	};
	105
8cef9082 PW	106	/* Dynamic HID quirks list - specified at runtime */
	107	struct quirks_list_struct {
	108	struct hid_blacklist hid_bl_item;
	109	struct list_head node;
	110	};
	111
	112	static LIST_HEAD(dquirks_list);
	113	static DECLARE_RWSEM(dquirks_rwsem);
	114
	115	/* Runtime ("dynamic") quirks manipulation functions */
	116
8222fbe6	117	/**
8cef9082 PW	118	* usbhid_exists_dquirk: find any dynamic quirks for a USB HID device
	119	* @idVendor: the 16-bit USB vendor ID, in native byteorder
	120	* @idProduct: the 16-bit USB product ID, in native byteorder
	121	*
	122	* Description:
	123	* Scans dquirks_list for a matching dynamic quirk and returns
	124	* the pointer to the relevant struct hid_blacklist if found.
	125	* Must be called with a read lock held on dquirks_rwsem.
	126	*
	127	* Returns: NULL if no quirk found, struct hid_blacklist * if found.
	128	*/
	129	static struct hid_blacklist *usbhid_exists_dquirk(const u16 idVendor,
	130	const u16 idProduct)
	131	{
	132	struct quirks_list_struct *q;
	133	struct hid_blacklist *bl_entry = NULL;
	134
8cef9082 PW	135	list_for_each_entry(q, &dquirks_list, node) {
	136	if (q->hid_bl_item.idVendor == idVendor &&
	137	q->hid_bl_item.idProduct == idProduct) {
	138	bl_entry = &q->hid_bl_item;
	139	break;
	140	}
	141	}
	142
	143	if (bl_entry != NULL)
58037eb9	144	dbg_hid("Found dynamic quirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
8cef9082 PW	145	bl_entry->quirks, bl_entry->idVendor,
	146	bl_entry->idProduct);
	147
	148	return bl_entry;
	149	}
	150
	151
	152	/**
	153	* usbhid_modify_dquirk: add/replace a HID quirk
	154	* @idVendor: the 16-bit USB vendor ID, in native byteorder
	155	* @idProduct: the 16-bit USB product ID, in native byteorder
	156	* @quirks: the u32 quirks value to add/replace
	157	*
	158	* Description:
	159	* If an dynamic quirk exists in memory for this (idVendor,
	160	* idProduct) pair, replace its quirks value with what was
	161	* provided. Otherwise, add the quirk to the dynamic quirks list.
	162	*
	163	* Returns: 0 OK, -error on failure.
	164	*/
abdff0f7 AB	165	static int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct,
abdff0f7 AB	166	const u32 quirks)
8cef9082 PW	167	{
	168	struct quirks_list_struct q_new, q;
	169	int list_edited = 0;
	170
	171	if (!idVendor) {
58037eb9	172	dbg_hid("Cannot add a quirk with idVendor = 0\n");
8cef9082 PW	173	return -EINVAL;
	174	}
	175
	176	q_new = kmalloc(sizeof(struct quirks_list_struct), GFP_KERNEL);
	177	if (!q_new) {
58037eb9	178	dbg_hid("Could not allocate quirks_list_struct\n");
8cef9082 PW	179	return -ENOMEM;
	180	}
	181
	182	q_new->hid_bl_item.idVendor = idVendor;
	183	q_new->hid_bl_item.idProduct = idProduct;
	184	q_new->hid_bl_item.quirks = quirks;
	185
	186	down_write(&dquirks_rwsem);
	187
	188	list_for_each_entry(q, &dquirks_list, node) {
	189
	190	if (q->hid_bl_item.idVendor == idVendor &&
	191	q->hid_bl_item.idProduct == idProduct) {
	192
	193	list_replace(&q->node, &q_new->node);
	194	kfree(q);
	195	list_edited = 1;
	196	break;
	197
	198	}
	199
	200	}
	201
	202	if (!list_edited)
	203	list_add_tail(&q_new->node, &dquirks_list);
	204
	205	up_write(&dquirks_rwsem);
	206
	207	return 0;
	208	}
	209
8cef9082 PW	210	/**
	211	* usbhid_remove_all_dquirks: remove all runtime HID quirks from memory
	212	*
	213	* Description:
	214	* Free all memory associated with dynamic quirks - called before
	215	* module unload.
	216	*
	217	*/
	218	static void usbhid_remove_all_dquirks(void)
	219	{
	220	struct quirks_list_struct q, temp;
	221
	222	down_write(&dquirks_rwsem);
	223	list_for_each_entry_safe(q, temp, &dquirks_list, node) {
	224	list_del(&q->node);
	225	kfree(q);
	226	}
	227	up_write(&dquirks_rwsem);
	228
	229	}
	230
876b9276 PW	231	/**
	232	* usbhid_quirks_init: apply USB HID quirks specified at module load time
	233	*/
	234	int usbhid_quirks_init(char **quirks_param)
	235	{
	236	u16 idVendor, idProduct;
	237	u32 quirks;
	238	int n = 0, m;
	239
44cb2db1	240	for (; n < MAX_USBHID_BOOT_QUIRKS && quirks_param[n]; n++) {
876b9276 PW	241
	242	m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
	243	&idVendor, &idProduct, &quirks);
	244
	245	if (m != 3 \|\|
	246	usbhid_modify_dquirk(idVendor, idProduct, quirks) != 0) {
	247	printk(KERN_WARNING
	248	"Could not parse HID quirk module param %s\n",
	249	quirks_param[n]);
	250	}
	251	}
	252
	253	return 0;
	254	}
	255
	256	/**
	257	* usbhid_quirks_exit: release memory associated with dynamic_quirks
	258	*
	259	* Description:
	260	* Release all memory associated with dynamic quirks. Called upon
	261	* module unload.
	262	*
	263	* Returns: nothing
	264	*/
	265	void usbhid_quirks_exit(void)
	266	{
	267	usbhid_remove_all_dquirks();
	268	}
8cef9082 PW	269
	270	/**
	271	* usbhid_exists_squirk: return any static quirks for a USB HID device
	272	* @idVendor: the 16-bit USB vendor ID, in native byteorder
	273	* @idProduct: the 16-bit USB product ID, in native byteorder
	274	*
	275	* Description:
	276	* Given a USB vendor ID and product ID, return a pointer to
	277	* the hid_blacklist entry associated with that device.
	278	*
	279	* Returns: pointer if quirk found, or NULL if no quirks found.
	280	*/
8222fbe6	281	static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor,
8cef9082	282	const u16 idProduct)
8222fbe6	283	{
8cef9082 PW	284	const struct hid_blacklist *bl_entry = NULL;
8cef9082 PW	285	int n = 0;
8222fbe6 PW	286
	287	for (; hid_blacklist[n].idVendor; n++)
	288	if (hid_blacklist[n].idVendor == idVendor &&
	289	hid_blacklist[n].idProduct == idProduct)
	290	bl_entry = &hid_blacklist[n];
	291
	292	if (bl_entry != NULL)
58037eb9	293	dbg_hid("Found squirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
8222fbe6 PW	294	bl_entry->quirks, bl_entry->idVendor,
	295	bl_entry->idProduct);
	296	return bl_entry;
	297	}
2eb5dc30 PW	298
	299	/**
	300	* usbhid_lookup_quirk: return any quirks associated with a USB HID device
	301	* @idVendor: the 16-bit USB vendor ID, in native byteorder
	302	* @idProduct: the 16-bit USB product ID, in native byteorder
	303	*
	304	* Description:
	305	* Given a USB vendor ID and product ID, return any quirks associated
	306	* with that device.
	307	*
	308	* Returns: a u32 quirks value.
	309	*/
	310	u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct)
	311	{
	312	u32 quirks = 0;
8222fbe6	313	const struct hid_blacklist *bl_entry = NULL;
2eb5dc30	314
b8e98f1c JK	315	/* NCR devices must not be queried for reports */
	316	if (idVendor == USB_VENDOR_ID_NCR &&
	317	idProduct >= USB_DEVICE_ID_NCR_FIRST &&
	318	idProduct <= USB_DEVICE_ID_NCR_LAST)
5b915d9e	319	return HID_QUIRK_NO_INIT_REPORTS;
b8e98f1c	320
8cef9082 PW	321	down_read(&dquirks_rwsem);
	322	bl_entry = usbhid_exists_dquirk(idVendor, idProduct);
	323	if (!bl_entry)
	324	bl_entry = usbhid_exists_squirk(idVendor, idProduct);
8222fbe6 PW	325	if (bl_entry)
8222fbe6 PW	326	quirks = bl_entry->quirks;
8cef9082 PW	327	up_read(&dquirks_rwsem);
8cef9082 PW	328
2eb5dc30 PW	329	return quirks;
2eb5dc30 PW	330	}
8222fbe6	331
9f6b3727	332	EXPORT_SYMBOL_GPL(usbhid_lookup_quirk);