[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_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, 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_QUANTA_OPTICAL_TOUCH_3001, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET },
	{ USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB, 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_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN, 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 },
2843b673	73	{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
67ddbb3e	74	{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
b7ea95ff AT	75	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
	76	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS },
	77	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS },
c2c3489c	78	{ USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET },
b0be5b3b	79	{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001, HID_QUIRK_NOGET },
8d31321c	80	{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET },
0e050923	81	{ USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB, HID_QUIRK_NOGET },
2eb5dc30	82	{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
4b5730fa JK	83	{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET },
4b5730fa JK	84	{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET },
88c687b3	85	{ USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN, HID_QUIRK_NOGET },
2eb5dc30	86	{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
25e61613	87	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT },
eff7f270	88	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U, HID_QUIRK_MULTI_INPUT },
426409b1	89	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5, HID_QUIRK_MULTI_INPUT },
e23be0a2	90	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60, HID_QUIRK_MULTI_INPUT },
f8a489cc NK	91	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U, HID_QUIRK_MULTI_INPUT },
f8a489cc NK	92	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U, HID_QUIRK_MULTI_INPUT },
72a46344	93	{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH, HID_QUIRK_MULTI_INPUT },
8f1acc32	94	{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH, HID_QUIRK_MULTI_INPUT },
d2ee4dd9	95	{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET, HID_QUIRK_MULTI_INPUT },
2eb5dc30 PW	96	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET \| HID_QUIRK_MULTI_INPUT },
2eb5dc30 PW	97
66ebf66e	98	{ USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET \| HID_QUIRK_MULTI_INPUT },
2eb5dc30	99
70c7c9c4 DM	100	{ USB_VENDOR_ID_PI_ENGINEERING, USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL, HID_QUIRK_HIDINPUT_FORCE },
70c7c9c4 DM	101
7cacfa87	102	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_MULTI_TOUCH, HID_QUIRK_MULTI_INPUT },
b9e4b1e0	103	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS, HID_QUIRK_MULTI_INPUT },
f5e42825	104	{ USB_VENDOR_ID_SIGMA_MICRO, USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD, HID_QUIRK_NO_INIT_REPORTS },
22ca20b2 NK	105	{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X, HID_QUIRK_MULTI_INPUT },
22ca20b2 NK	106	{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X, HID_QUIRK_MULTI_INPUT },
ea9a4a8b JK	107	{ 0, 0 }
	108	};
	109
8cef9082 PW	110	/* Dynamic HID quirks list - specified at runtime */
	111	struct quirks_list_struct {
	112	struct hid_blacklist hid_bl_item;
	113	struct list_head node;
	114	};
	115
	116	static LIST_HEAD(dquirks_list);
	117	static DECLARE_RWSEM(dquirks_rwsem);
	118
	119	/* Runtime ("dynamic") quirks manipulation functions */
	120
8222fbe6	121	/**
8cef9082 PW	122	* usbhid_exists_dquirk: find any dynamic quirks for a USB HID device
	123	* @idVendor: the 16-bit USB vendor ID, in native byteorder
	124	* @idProduct: the 16-bit USB product ID, in native byteorder
	125	*
	126	* Description:
	127	* Scans dquirks_list for a matching dynamic quirk and returns
	128	* the pointer to the relevant struct hid_blacklist if found.
	129	* Must be called with a read lock held on dquirks_rwsem.
	130	*
	131	* Returns: NULL if no quirk found, struct hid_blacklist * if found.
	132	*/
	133	static struct hid_blacklist *usbhid_exists_dquirk(const u16 idVendor,
	134	const u16 idProduct)
	135	{
	136	struct quirks_list_struct *q;
	137	struct hid_blacklist *bl_entry = NULL;
	138
8cef9082 PW	139	list_for_each_entry(q, &dquirks_list, node) {
	140	if (q->hid_bl_item.idVendor == idVendor &&
	141	q->hid_bl_item.idProduct == idProduct) {
	142	bl_entry = &q->hid_bl_item;
	143	break;
	144	}
	145	}
	146
	147	if (bl_entry != NULL)
58037eb9	148	dbg_hid("Found dynamic quirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
8cef9082 PW	149	bl_entry->quirks, bl_entry->idVendor,
	150	bl_entry->idProduct);
	151
	152	return bl_entry;
	153	}
	154
	155
	156	/**
	157	* usbhid_modify_dquirk: add/replace a HID quirk
	158	* @idVendor: the 16-bit USB vendor ID, in native byteorder
	159	* @idProduct: the 16-bit USB product ID, in native byteorder
	160	* @quirks: the u32 quirks value to add/replace
	161	*
	162	* Description:
	163	* If an dynamic quirk exists in memory for this (idVendor,
	164	* idProduct) pair, replace its quirks value with what was
	165	* provided. Otherwise, add the quirk to the dynamic quirks list.
	166	*
	167	* Returns: 0 OK, -error on failure.
	168	*/
abdff0f7 AB	169	static int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct,
abdff0f7 AB	170	const u32 quirks)
8cef9082 PW	171	{
	172	struct quirks_list_struct q_new, q;
	173	int list_edited = 0;
	174
	175	if (!idVendor) {
58037eb9	176	dbg_hid("Cannot add a quirk with idVendor = 0\n");
8cef9082 PW	177	return -EINVAL;
	178	}
	179
	180	q_new = kmalloc(sizeof(struct quirks_list_struct), GFP_KERNEL);
	181	if (!q_new) {
58037eb9	182	dbg_hid("Could not allocate quirks_list_struct\n");
8cef9082 PW	183	return -ENOMEM;
	184	}
	185
	186	q_new->hid_bl_item.idVendor = idVendor;
	187	q_new->hid_bl_item.idProduct = idProduct;
	188	q_new->hid_bl_item.quirks = quirks;
	189
	190	down_write(&dquirks_rwsem);
	191
	192	list_for_each_entry(q, &dquirks_list, node) {
	193
	194	if (q->hid_bl_item.idVendor == idVendor &&
	195	q->hid_bl_item.idProduct == idProduct) {
	196
	197	list_replace(&q->node, &q_new->node);
	198	kfree(q);
	199	list_edited = 1;
	200	break;
	201
	202	}
	203
	204	}
	205
	206	if (!list_edited)
	207	list_add_tail(&q_new->node, &dquirks_list);
	208
	209	up_write(&dquirks_rwsem);
	210
	211	return 0;
	212	}
	213
8cef9082 PW	214	/**
	215	* usbhid_remove_all_dquirks: remove all runtime HID quirks from memory
	216	*
	217	* Description:
	218	* Free all memory associated with dynamic quirks - called before
	219	* module unload.
	220	*
	221	*/
	222	static void usbhid_remove_all_dquirks(void)
	223	{
	224	struct quirks_list_struct q, temp;
	225
	226	down_write(&dquirks_rwsem);
	227	list_for_each_entry_safe(q, temp, &dquirks_list, node) {
	228	list_del(&q->node);
	229	kfree(q);
	230	}
	231	up_write(&dquirks_rwsem);
	232
	233	}
	234
876b9276 PW	235	/**
	236	* usbhid_quirks_init: apply USB HID quirks specified at module load time
	237	*/
	238	int usbhid_quirks_init(char **quirks_param)
	239	{
	240	u16 idVendor, idProduct;
	241	u32 quirks;
	242	int n = 0, m;
	243
44cb2db1	244	for (; n < MAX_USBHID_BOOT_QUIRKS && quirks_param[n]; n++) {
876b9276 PW	245
	246	m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
	247	&idVendor, &idProduct, &quirks);
	248
	249	if (m != 3 \|\|
	250	usbhid_modify_dquirk(idVendor, idProduct, quirks) != 0) {
	251	printk(KERN_WARNING
	252	"Could not parse HID quirk module param %s\n",
	253	quirks_param[n]);
	254	}
	255	}
	256
	257	return 0;
	258	}
	259
	260	/**
	261	* usbhid_quirks_exit: release memory associated with dynamic_quirks
	262	*
	263	* Description:
	264	* Release all memory associated with dynamic quirks. Called upon
	265	* module unload.
	266	*
	267	* Returns: nothing
	268	*/
	269	void usbhid_quirks_exit(void)
	270	{
	271	usbhid_remove_all_dquirks();
	272	}
8cef9082 PW	273
	274	/**
	275	* usbhid_exists_squirk: return any static quirks for a USB HID device
	276	* @idVendor: the 16-bit USB vendor ID, in native byteorder
	277	* @idProduct: the 16-bit USB product ID, in native byteorder
	278	*
	279	* Description:
	280	* Given a USB vendor ID and product ID, return a pointer to
	281	* the hid_blacklist entry associated with that device.
	282	*
	283	* Returns: pointer if quirk found, or NULL if no quirks found.
	284	*/
8222fbe6	285	static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor,
8cef9082	286	const u16 idProduct)
8222fbe6	287	{
8cef9082 PW	288	const struct hid_blacklist *bl_entry = NULL;
8cef9082 PW	289	int n = 0;
8222fbe6 PW	290
	291	for (; hid_blacklist[n].idVendor; n++)
	292	if (hid_blacklist[n].idVendor == idVendor &&
	293	hid_blacklist[n].idProduct == idProduct)
	294	bl_entry = &hid_blacklist[n];
	295
	296	if (bl_entry != NULL)
58037eb9	297	dbg_hid("Found squirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
8222fbe6 PW	298	bl_entry->quirks, bl_entry->idVendor,
	299	bl_entry->idProduct);
	300	return bl_entry;
	301	}
2eb5dc30 PW	302
	303	/**
	304	* usbhid_lookup_quirk: return any quirks associated with a USB HID device
	305	* @idVendor: the 16-bit USB vendor ID, in native byteorder
	306	* @idProduct: the 16-bit USB product ID, in native byteorder
	307	*
	308	* Description:
	309	* Given a USB vendor ID and product ID, return any quirks associated
	310	* with that device.
	311	*
	312	* Returns: a u32 quirks value.
	313	*/
	314	u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct)
	315	{
	316	u32 quirks = 0;
8222fbe6	317	const struct hid_blacklist *bl_entry = NULL;
2eb5dc30	318
b8e98f1c JK	319	/* NCR devices must not be queried for reports */
	320	if (idVendor == USB_VENDOR_ID_NCR &&
	321	idProduct >= USB_DEVICE_ID_NCR_FIRST &&
	322	idProduct <= USB_DEVICE_ID_NCR_LAST)
5b915d9e	323	return HID_QUIRK_NO_INIT_REPORTS;
b8e98f1c	324
8cef9082 PW	325	down_read(&dquirks_rwsem);
	326	bl_entry = usbhid_exists_dquirk(idVendor, idProduct);
	327	if (!bl_entry)
	328	bl_entry = usbhid_exists_squirk(idVendor, idProduct);
8222fbe6 PW	329	if (bl_entry)
8222fbe6 PW	330	quirks = bl_entry->quirks;
8cef9082 PW	331	up_read(&dquirks_rwsem);
8cef9082 PW	332
2eb5dc30 PW	333	return quirks;
2eb5dc30 PW	334	}
8222fbe6	335
9f6b3727	336	EXPORT_SYMBOL_GPL(usbhid_lookup_quirk);