439 lines
14 KiB
C
439 lines
14 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
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* Copyright (c) 1998 Lennart Augustsson. All rights reserved.
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* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
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* Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <dev/evdev/input.h>
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#define HID_DEBUG_VAR hid_debug
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#include <dev/hid/hid.h>
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#include <dev/hid/hidquirk.h>
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#include "usbdevs.h"
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MODULE_DEPEND(hidquirk, hid, 1, 1, 1);
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MODULE_VERSION(hidquirk, 1);
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#define HID_DEV_QUIRKS_MAX 384
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#define HID_SUB_QUIRKS_MAX 8
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#define HID_QUIRK_ENVROOT "hw.hid.quirk."
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struct hidquirk_entry {
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uint16_t bus;
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uint16_t vid;
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uint16_t pid;
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uint16_t lo_rev;
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uint16_t hi_rev;
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uint16_t quirks[HID_SUB_QUIRKS_MAX];
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};
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static struct mtx hidquirk_mtx;
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#define HID_QUIRK_VP(b,v,p,l,h,...) \
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{ .bus = (b), .vid = (v), .pid = (p), .lo_rev = (l), .hi_rev = (h), \
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.quirks = { __VA_ARGS__ } }
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#define USB_QUIRK(v,p,l,h,...) \
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HID_QUIRK_VP(BUS_USB, USB_VENDOR_##v, USB_PRODUCT_##v##_##p, l, h, __VA_ARGS__)
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static struct hidquirk_entry hidquirks[HID_DEV_QUIRKS_MAX] = {
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USB_QUIRK(ASUS, LCM, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(QTRONIX, 980N, 0x110, 0x110, HQ_SPUR_BUT_UP),
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USB_QUIRK(ALCOR2, KBD_HUB, 0x001, 0x001, HQ_SPUR_BUT_UP),
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USB_QUIRK(LOGITECH, G510S, 0x0000, 0xFFFF, HQ_KBD_BOOTPROTO),
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/* Devices which should be ignored by usbhid */
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USB_QUIRK(APC, UPS, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(BELKIN, F6H375USB, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(BELKIN, F6C550AVR, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(BELKIN, F6C1250TWRK, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(BELKIN, F6C1500TWRK, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(BELKIN, F6C900UNV, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(BELKIN, F6C100UNV, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(BELKIN, F6C120UNV, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(BELKIN, F6C800UNV, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(BELKIN, F6C1100UNV, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(CYBERPOWER, BC900D, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(CYBERPOWER, 1500CAVRLCD, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(CYBERPOWER, OR2200LCDRM2U, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(DELL2, VARIOUS_UPS, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(CYPRESS, SILVERSHIELD, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(DELORME, EARTHMATE, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(DREAMLINK, DL100B, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(MICROCHIP, PICOLCD20X2, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(MICROCHIP, PICOLCD4X20, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(LIEBERT, POWERSURE_PXT, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(LIEBERT2, PSI1000, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(LIEBERT2, POWERSURE_PSA, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(MGE, UPS1, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(MGE, UPS2, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(POWERCOM, IMPERIAL_SERIES, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(POWERCOM, SMART_KING_PRO, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(POWERCOM, WOW, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(POWERCOM, VANGUARD, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(POWERCOM, BLACK_KNIGHT_PRO, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, AVR550U, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, AVR750U, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, ECO550UPS, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, T750_INTL, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, RT_2200_INTL, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, OMNI1000LCD, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, OMNI900LCD, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, SMART_2200RMXL2U, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, UPS_3014, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, SU1500RTXL2UA, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, SU6000RT4U, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(TRIPPLITE2, SU1500RTXL2UA_2, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(APPLE, IPHONE, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(APPLE, IPHONE_3G, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(MEGATEC, UPS, 0x0000, 0xffff, HQ_HID_IGNORE),
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/* Devices which should be ignored by both ukbd and uhid */
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USB_QUIRK(CYPRESS, WISPY1A, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(METAGEEK, WISPY1B, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(METAGEEK, WISPY24X, 0x0000, 0xffff, HQ_HID_IGNORE),
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USB_QUIRK(METAGEEK2, WISPYDBX, 0x0000, 0xffff, HQ_HID_IGNORE),
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/* MS keyboards do weird things */
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USB_QUIRK(MICROSOFT, NATURAL4000, 0x0000, 0xFFFF, HQ_KBD_BOOTPROTO),
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USB_QUIRK(MICROSOFT, WLINTELLIMOUSE, 0x0000, 0xffff, HQ_MS_LEADING_BYTE),
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/* Quirk for Corsair Vengeance K60 keyboard */
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USB_QUIRK(CORSAIR, K60, 0x0000, 0xffff, HQ_KBD_BOOTPROTO),
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/* Quirk for Corsair Gaming K68 keyboard */
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USB_QUIRK(CORSAIR, K68, 0x0000, 0xffff, HQ_KBD_BOOTPROTO),
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/* Quirk for Corsair Vengeance K70 keyboard */
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USB_QUIRK(CORSAIR, K70, 0x0000, 0xffff, HQ_KBD_BOOTPROTO),
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/* Quirk for Corsair K70 RGB keyboard */
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USB_QUIRK(CORSAIR, K70_RGB, 0x0000, 0xffff, HQ_KBD_BOOTPROTO),
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/* Quirk for Corsair STRAFE Gaming keyboard */
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USB_QUIRK(CORSAIR, STRAFE, 0x0000, 0xffff, HQ_KBD_BOOTPROTO),
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USB_QUIRK(CORSAIR, STRAFE2, 0x0000, 0xffff, HQ_KBD_BOOTPROTO),
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/* Holtek USB gaming keyboard */
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USB_QUIRK(HOLTEK, F85, 0x0000, 0xffff, HQ_KBD_BOOTPROTO),
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/* Quirk for Kensington Slimblade Trackball */
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USB_QUIRK(KENSINGTON, SLIMBLADE, 0x0000, 0xffff, HQ_MS_VENDOR_BTN),
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};
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#undef HID_QUIRK_VP
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#undef USB_QUIRK
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/* hidquirk.h exposes only HID_QUIRK_LIST macro when HQ() is defined */
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#define HQ(x) [HQ_##x] = "HQ_"#x
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#include "hidquirk.h"
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static const char *hidquirk_str[HID_QUIRK_MAX] = { HID_QUIRK_LIST() };
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#undef HQ
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static hid_test_quirk_t hid_test_quirk_by_info;
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/*------------------------------------------------------------------------*
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* hidquirkstr
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*
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* This function converts an USB quirk code into a string.
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*------------------------------------------------------------------------*/
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static const char *
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hidquirkstr(uint16_t quirk)
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{
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return ((quirk < HID_QUIRK_MAX && hidquirk_str[quirk] != NULL) ?
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hidquirk_str[quirk] : "HQ_UNKNOWN");
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}
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/*------------------------------------------------------------------------*
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* hid_strquirk
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*
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* This function converts a string into a HID quirk code.
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*
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* Returns:
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* Less than HID_QUIRK_MAX: Quirk code
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* Else: Quirk code not found
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*------------------------------------------------------------------------*/
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static uint16_t
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hid_strquirk(const char *str, size_t len)
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{
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const char *quirk;
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uint16_t x;
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for (x = 0; x != HID_QUIRK_MAX; x++) {
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quirk = hidquirkstr(x);
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if (strncmp(str, quirk, len) == 0 &&
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quirk[len] == 0)
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break;
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}
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return (x);
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}
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/*------------------------------------------------------------------------*
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* hid_test_quirk_by_info
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*
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* Returns:
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* false: Quirk not found
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* true: Quirk found
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*------------------------------------------------------------------------*/
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bool
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hid_test_quirk_by_info(const struct hid_device_info *info, uint16_t quirk)
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{
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uint16_t x;
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uint16_t y;
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if (quirk == HQ_NONE)
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goto done;
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mtx_lock(&hidquirk_mtx);
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for (x = 0; x != HID_DEV_QUIRKS_MAX; x++) {
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/* see if quirk information does not match */
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if ((hidquirks[x].bus != info->idBus) ||
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(hidquirks[x].vid != info->idVendor) ||
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(hidquirks[x].lo_rev > info->idVersion) ||
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(hidquirks[x].hi_rev < info->idVersion)) {
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continue;
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}
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/* see if quirk only should match vendor ID */
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if (hidquirks[x].pid != info->idProduct) {
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if (hidquirks[x].pid != 0)
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continue;
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for (y = 0; y != HID_SUB_QUIRKS_MAX; y++) {
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if (hidquirks[x].quirks[y] == HQ_MATCH_VENDOR_ONLY)
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break;
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}
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if (y == HID_SUB_QUIRKS_MAX)
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continue;
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}
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/* lookup quirk */
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for (y = 0; y != HID_SUB_QUIRKS_MAX; y++) {
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if (hidquirks[x].quirks[y] == quirk) {
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mtx_unlock(&hidquirk_mtx);
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DPRINTF("Found quirk '%s'.\n", hidquirkstr(quirk));
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return (true);
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}
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}
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}
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mtx_unlock(&hidquirk_mtx);
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done:
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return (false); /* no quirk match */
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}
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static struct hidquirk_entry *
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hidquirk_get_entry(uint16_t bus, uint16_t vid, uint16_t pid,
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uint16_t lo_rev, uint16_t hi_rev, uint8_t do_alloc)
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{
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uint16_t x;
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mtx_assert(&hidquirk_mtx, MA_OWNED);
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if ((bus | vid | pid | lo_rev | hi_rev) == 0) {
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/* all zero - special case */
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return (hidquirks + HID_DEV_QUIRKS_MAX - 1);
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}
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/* search for an existing entry */
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for (x = 0; x != HID_DEV_QUIRKS_MAX; x++) {
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/* see if quirk information does not match */
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if ((hidquirks[x].bus != bus) ||
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(hidquirks[x].vid != vid) ||
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(hidquirks[x].pid != pid) ||
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(hidquirks[x].lo_rev != lo_rev) ||
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(hidquirks[x].hi_rev != hi_rev)) {
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continue;
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}
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return (hidquirks + x);
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}
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if (do_alloc == 0) {
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/* no match */
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return (NULL);
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}
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/* search for a free entry */
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for (x = 0; x != HID_DEV_QUIRKS_MAX; x++) {
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/* see if quirk information does not match */
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if ((hidquirks[x].bus |
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hidquirks[x].vid |
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hidquirks[x].pid |
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hidquirks[x].lo_rev |
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hidquirks[x].hi_rev) != 0) {
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continue;
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}
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hidquirks[x].bus = bus;
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hidquirks[x].vid = vid;
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hidquirks[x].pid = pid;
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hidquirks[x].lo_rev = lo_rev;
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hidquirks[x].hi_rev = hi_rev;
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return (hidquirks + x);
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}
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/* no entry found */
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return (NULL);
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}
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/*------------------------------------------------------------------------*
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* usb_quirk_strtou16
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*
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* Helper function to scan a 16-bit integer.
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*------------------------------------------------------------------------*/
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static uint16_t
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hidquirk_strtou16(const char **pptr, const char *name, const char *what)
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{
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unsigned long value;
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char *end;
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value = strtoul(*pptr, &end, 0);
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if (value > 65535 || *pptr == end || (*end != ' ' && *end != '\t')) {
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printf("%s: %s 16-bit %s value set to zero\n",
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name, what, *end == 0 ? "incomplete" : "invalid");
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return (0);
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}
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*pptr = end + 1;
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return ((uint16_t)value);
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}
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/*------------------------------------------------------------------------*
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* usb_quirk_add_entry_from_str
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*
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* Add a USB quirk entry from string.
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* "VENDOR PRODUCT LO_REV HI_REV QUIRK[,QUIRK[,...]]"
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*------------------------------------------------------------------------*/
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static void
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hidquirk_add_entry_from_str(const char *name, const char *env)
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{
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struct hidquirk_entry entry = { };
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struct hidquirk_entry *new;
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uint16_t quirk_idx;
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uint16_t quirk;
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const char *end;
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/* check for invalid environment variable */
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if (name == NULL || env == NULL)
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return;
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if (bootverbose)
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printf("Adding HID QUIRK '%s' = '%s'\n", name, env);
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/* parse device information */
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entry.bus = hidquirk_strtou16(&env, name, "Bus ID");
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entry.vid = hidquirk_strtou16(&env, name, "Vendor ID");
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entry.pid = hidquirk_strtou16(&env, name, "Product ID");
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entry.lo_rev = hidquirk_strtou16(&env, name, "Low revision");
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entry.hi_rev = hidquirk_strtou16(&env, name, "High revision");
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/* parse quirk information */
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quirk_idx = 0;
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while (*env != 0 && quirk_idx != HID_SUB_QUIRKS_MAX) {
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/* skip whitespace before quirks */
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while (*env == ' ' || *env == '\t')
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env++;
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/* look for quirk separation character */
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end = strchr(env, ',');
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if (end == NULL)
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end = env + strlen(env);
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/* lookup quirk in string table */
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quirk = hid_strquirk(env, end - env);
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if (quirk < HID_QUIRK_MAX) {
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entry.quirks[quirk_idx++] = quirk;
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} else {
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printf("%s: unknown HID quirk '%.*s' (skipped)\n",
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name, (int)(end - env), env);
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}
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env = end;
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/* skip quirk delimiter, if any */
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if (*env != 0)
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env++;
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}
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/* register quirk */
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if (quirk_idx != 0) {
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if (*env != 0) {
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printf("%s: Too many HID quirks, only %d allowed!\n",
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name, HID_SUB_QUIRKS_MAX);
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}
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mtx_lock(&hidquirk_mtx);
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new = hidquirk_get_entry(entry.bus, entry.vid, entry.pid,
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entry.lo_rev, entry.hi_rev, 1);
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if (new == NULL)
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printf("%s: HID quirks table is full!\n", name);
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else
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memcpy(new->quirks, entry.quirks, sizeof(entry.quirks));
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mtx_unlock(&hidquirk_mtx);
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} else {
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printf("%s: No USB quirks found!\n", name);
|
|
}
|
|
}
|
|
|
|
static void
|
|
hidquirk_init(void *arg)
|
|
{
|
|
char envkey[sizeof(HID_QUIRK_ENVROOT) + 2]; /* 2 digits max, 0 to 99 */
|
|
int i;
|
|
|
|
/* initialize mutex */
|
|
mtx_init(&hidquirk_mtx, "HID quirk", NULL, MTX_DEF);
|
|
|
|
/* look for quirks defined by the environment variable */
|
|
for (i = 0; i != 100; i++) {
|
|
snprintf(envkey, sizeof(envkey), HID_QUIRK_ENVROOT "%d", i);
|
|
|
|
/* Stop at first undefined var */
|
|
if (!testenv(envkey))
|
|
break;
|
|
|
|
/* parse environment variable */
|
|
hidquirk_add_entry_from_str(envkey, kern_getenv(envkey));
|
|
}
|
|
|
|
/* register our function */
|
|
hid_test_quirk_p = &hid_test_quirk_by_info;
|
|
}
|
|
|
|
static void
|
|
hidquirk_uninit(void *arg)
|
|
{
|
|
hid_quirk_unload(arg);
|
|
|
|
/* destroy mutex */
|
|
mtx_destroy(&hidquirk_mtx);
|
|
}
|
|
|
|
SYSINIT(hidquirk_init, SI_SUB_LOCK, SI_ORDER_FIRST, hidquirk_init, NULL);
|
|
SYSUNINIT(hidquirk_uninit, SI_SUB_LOCK, SI_ORDER_ANY, hidquirk_uninit, NULL);
|