HardenedBSD/sys/dev/hid/hcons.c
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296 lines
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C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
/*
* Consumer Controls usage page driver
* https://www.usb.org/sites/default/files/documents/hut1_12v2.pdf
*/
#include <sys/param.h>
#include <sys/bitstring.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/sysctl.h>
#include <dev/evdev/input.h>
#include <dev/evdev/evdev.h>
#include <dev/hid/hid.h>
#include <dev/hid/hidbus.h>
#include <dev/hid/hidmap.h>
static hidmap_cb_t hcons_rel_volume_cb;
#define HCONS_MAP_KEY(usage, code) \
{ HIDMAP_KEY(HUP_CONSUMER, usage, code) }
#define HCONS_MAP_ABS(usage, code) \
{ HIDMAP_ABS(HUP_CONSUMER, usage, code) }
#define HCONS_MAP_REL(usage, code) \
{ HIDMAP_REL(HUP_CONSUMER, usage, code) }
#define HCONS_MAP_REL_CB(usage, callback) \
{ HIDMAP_REL_CB(HUP_CONSUMER, usage, &callback) }
static const struct hidmap_item hcons_map[] = {
HCONS_MAP_KEY(0x030, KEY_POWER),
HCONS_MAP_KEY(0x031, KEY_RESTART),
HCONS_MAP_KEY(0x032, KEY_SLEEP),
HCONS_MAP_KEY(0x034, KEY_SLEEP),
HCONS_MAP_KEY(0x035, KEY_KBDILLUMTOGGLE),
HCONS_MAP_KEY(0x036, BTN_MISC),
HCONS_MAP_KEY(0x040, KEY_MENU), /* Menu */
HCONS_MAP_KEY(0x041, KEY_SELECT), /* Menu Pick */
HCONS_MAP_KEY(0x042, KEY_UP), /* Menu Up */
HCONS_MAP_KEY(0x043, KEY_DOWN), /* Menu Down */
HCONS_MAP_KEY(0x044, KEY_LEFT), /* Menu Left */
HCONS_MAP_KEY(0x045, KEY_RIGHT), /* Menu Right */
HCONS_MAP_KEY(0x046, KEY_ESC), /* Menu Escape */
HCONS_MAP_KEY(0x047, KEY_KPPLUS), /* Menu Value Increase */
HCONS_MAP_KEY(0x048, KEY_KPMINUS), /* Menu Value Decrease */
HCONS_MAP_KEY(0x060, KEY_INFO), /* Data On Screen */
HCONS_MAP_KEY(0x061, KEY_SUBTITLE), /* Closed Caption */
HCONS_MAP_KEY(0x063, KEY_VCR), /* VCR/TV */
HCONS_MAP_KEY(0x065, KEY_CAMERA), /* Snapshot */
HCONS_MAP_KEY(0x069, KEY_RED),
HCONS_MAP_KEY(0x06a, KEY_GREEN),
HCONS_MAP_KEY(0x06b, KEY_BLUE),
HCONS_MAP_KEY(0x06c, KEY_YELLOW),
HCONS_MAP_KEY(0x06d, KEY_ASPECT_RATIO),
HCONS_MAP_KEY(0x06f, KEY_BRIGHTNESSUP),
HCONS_MAP_KEY(0x070, KEY_BRIGHTNESSDOWN),
HCONS_MAP_KEY(0x072, KEY_BRIGHTNESS_TOGGLE),
HCONS_MAP_KEY(0x073, KEY_BRIGHTNESS_MIN),
HCONS_MAP_KEY(0x074, KEY_BRIGHTNESS_MAX),
HCONS_MAP_KEY(0x075, KEY_BRIGHTNESS_AUTO),
HCONS_MAP_KEY(0x079, KEY_KBDILLUMUP),
HCONS_MAP_KEY(0x07a, KEY_KBDILLUMDOWN),
HCONS_MAP_KEY(0x07c, KEY_KBDILLUMTOGGLE),
HCONS_MAP_KEY(0x082, KEY_VIDEO_NEXT),
HCONS_MAP_KEY(0x083, KEY_LAST),
HCONS_MAP_KEY(0x084, KEY_ENTER),
HCONS_MAP_KEY(0x088, KEY_PC),
HCONS_MAP_KEY(0x089, KEY_TV),
HCONS_MAP_KEY(0x08a, KEY_WWW),
HCONS_MAP_KEY(0x08b, KEY_DVD),
HCONS_MAP_KEY(0x08c, KEY_PHONE),
HCONS_MAP_KEY(0x08d, KEY_PROGRAM),
HCONS_MAP_KEY(0x08e, KEY_VIDEOPHONE),
HCONS_MAP_KEY(0x08f, KEY_GAMES),
HCONS_MAP_KEY(0x090, KEY_MEMO),
HCONS_MAP_KEY(0x091, KEY_CD),
HCONS_MAP_KEY(0x092, KEY_VCR),
HCONS_MAP_KEY(0x093, KEY_TUNER),
HCONS_MAP_KEY(0x094, KEY_EXIT),
HCONS_MAP_KEY(0x095, KEY_HELP),
HCONS_MAP_KEY(0x096, KEY_TAPE),
HCONS_MAP_KEY(0x097, KEY_TV2),
HCONS_MAP_KEY(0x098, KEY_SAT),
HCONS_MAP_KEY(0x09a, KEY_PVR),
HCONS_MAP_KEY(0x09c, KEY_CHANNELUP),
HCONS_MAP_KEY(0x09d, KEY_CHANNELDOWN),
HCONS_MAP_KEY(0x0a0, KEY_VCR2),
HCONS_MAP_KEY(0x0b0, KEY_PLAY),
HCONS_MAP_KEY(0x0b1, KEY_PAUSE),
HCONS_MAP_KEY(0x0b2, KEY_RECORD),
HCONS_MAP_KEY(0x0b3, KEY_FASTFORWARD),
HCONS_MAP_KEY(0x0b4, KEY_REWIND),
HCONS_MAP_KEY(0x0b5, KEY_NEXTSONG),
HCONS_MAP_KEY(0x0b6, KEY_PREVIOUSSONG),
HCONS_MAP_KEY(0x0b7, KEY_STOPCD),
HCONS_MAP_KEY(0x0b8, KEY_EJECTCD),
HCONS_MAP_KEY(0x0bc, KEY_MEDIA_REPEAT),
HCONS_MAP_KEY(0x0b9, KEY_SHUFFLE),
HCONS_MAP_KEY(0x0bf, KEY_SLOW),
HCONS_MAP_KEY(0x0cd, KEY_PLAYPAUSE),
HCONS_MAP_KEY(0x0cf, KEY_VOICECOMMAND),
HCONS_MAP_ABS(0x0e0, ABS_VOLUME),
HCONS_MAP_REL_CB(0x0e0, hcons_rel_volume_cb),
HCONS_MAP_KEY(0x0e2, KEY_MUTE),
HCONS_MAP_KEY(0x0e5, KEY_BASSBOOST),
HCONS_MAP_KEY(0x0e9, KEY_VOLUMEUP),
HCONS_MAP_KEY(0x0ea, KEY_VOLUMEDOWN),
HCONS_MAP_KEY(0x0f5, KEY_SLOW),
HCONS_MAP_KEY(0x181, KEY_BUTTONCONFIG),
HCONS_MAP_KEY(0x182, KEY_BOOKMARKS),
HCONS_MAP_KEY(0x183, KEY_CONFIG),
HCONS_MAP_KEY(0x184, KEY_WORDPROCESSOR),
HCONS_MAP_KEY(0x185, KEY_EDITOR),
HCONS_MAP_KEY(0x186, KEY_SPREADSHEET),
HCONS_MAP_KEY(0x187, KEY_GRAPHICSEDITOR),
HCONS_MAP_KEY(0x188, KEY_PRESENTATION),
HCONS_MAP_KEY(0x189, KEY_DATABASE),
HCONS_MAP_KEY(0x18a, KEY_MAIL),
HCONS_MAP_KEY(0x18b, KEY_NEWS),
HCONS_MAP_KEY(0x18c, KEY_VOICEMAIL),
HCONS_MAP_KEY(0x18d, KEY_ADDRESSBOOK),
HCONS_MAP_KEY(0x18e, KEY_CALENDAR),
HCONS_MAP_KEY(0x18f, KEY_TASKMANAGER),
HCONS_MAP_KEY(0x190, KEY_JOURNAL),
HCONS_MAP_KEY(0x191, KEY_FINANCE),
HCONS_MAP_KEY(0x192, KEY_CALC),
HCONS_MAP_KEY(0x193, KEY_PLAYER),
HCONS_MAP_KEY(0x194, KEY_FILE),
HCONS_MAP_KEY(0x196, KEY_WWW),
HCONS_MAP_KEY(0x199, KEY_CHAT),
HCONS_MAP_KEY(0x19c, KEY_LOGOFF),
HCONS_MAP_KEY(0x19e, KEY_COFFEE),
HCONS_MAP_KEY(0x19f, KEY_CONTROLPANEL),
HCONS_MAP_KEY(0x1a2, KEY_APPSELECT),
HCONS_MAP_KEY(0x1a3, KEY_NEXT),
HCONS_MAP_KEY(0x1a4, KEY_PREVIOUS),
HCONS_MAP_KEY(0x1a6, KEY_HELP),
HCONS_MAP_KEY(0x1a7, KEY_DOCUMENTS),
HCONS_MAP_KEY(0x1ab, KEY_SPELLCHECK),
HCONS_MAP_KEY(0x1ae, KEY_KEYBOARD),
HCONS_MAP_KEY(0x1b1, KEY_SCREENSAVER),
HCONS_MAP_KEY(0x1b4, KEY_FILE),
HCONS_MAP_KEY(0x1b6, KEY_IMAGES),
HCONS_MAP_KEY(0x1b7, KEY_AUDIO),
HCONS_MAP_KEY(0x1b8, KEY_VIDEO),
HCONS_MAP_KEY(0x1bc, KEY_MESSENGER),
HCONS_MAP_KEY(0x1bd, KEY_INFO),
HCONS_MAP_KEY(0x1cb, KEY_ASSISTANT),
HCONS_MAP_KEY(0x201, KEY_NEW),
HCONS_MAP_KEY(0x202, KEY_OPEN),
HCONS_MAP_KEY(0x203, KEY_CLOSE),
HCONS_MAP_KEY(0x204, KEY_EXIT),
HCONS_MAP_KEY(0x207, KEY_SAVE),
HCONS_MAP_KEY(0x208, KEY_PRINT),
HCONS_MAP_KEY(0x209, KEY_PROPS),
HCONS_MAP_KEY(0x21a, KEY_UNDO),
HCONS_MAP_KEY(0x21b, KEY_COPY),
HCONS_MAP_KEY(0x21c, KEY_CUT),
HCONS_MAP_KEY(0x21d, KEY_PASTE),
HCONS_MAP_KEY(0x21f, KEY_FIND),
HCONS_MAP_KEY(0x221, KEY_SEARCH),
HCONS_MAP_KEY(0x222, KEY_GOTO),
HCONS_MAP_KEY(0x223, KEY_HOMEPAGE),
HCONS_MAP_KEY(0x224, KEY_BACK),
HCONS_MAP_KEY(0x225, KEY_FORWARD),
HCONS_MAP_KEY(0x226, KEY_STOP),
HCONS_MAP_KEY(0x227, KEY_REFRESH),
HCONS_MAP_KEY(0x22a, KEY_BOOKMARKS),
HCONS_MAP_KEY(0x22d, KEY_ZOOMIN),
HCONS_MAP_KEY(0x22e, KEY_ZOOMOUT),
HCONS_MAP_KEY(0x22f, KEY_ZOOMRESET),
HCONS_MAP_KEY(0x232, KEY_FULL_SCREEN),
HCONS_MAP_KEY(0x233, KEY_SCROLLUP),
HCONS_MAP_KEY(0x234, KEY_SCROLLDOWN),
HCONS_MAP_REL(0x238, REL_HWHEEL), /* AC Pan */
HCONS_MAP_KEY(0x23d, KEY_EDIT),
HCONS_MAP_KEY(0x25f, KEY_CANCEL),
HCONS_MAP_KEY(0x269, KEY_INSERT),
HCONS_MAP_KEY(0x26a, KEY_DELETE),
HCONS_MAP_KEY(0x279, KEY_REDO),
HCONS_MAP_KEY(0x289, KEY_REPLY),
HCONS_MAP_KEY(0x28b, KEY_FORWARDMAIL),
HCONS_MAP_KEY(0x28c, KEY_SEND),
HCONS_MAP_KEY(0x29d, KEY_KBD_LAYOUT_NEXT),
HCONS_MAP_KEY(0x2c7, KEY_KBDINPUTASSIST_PREV),
HCONS_MAP_KEY(0x2c8, KEY_KBDINPUTASSIST_NEXT),
HCONS_MAP_KEY(0x2c9, KEY_KBDINPUTASSIST_PREVGROUP),
HCONS_MAP_KEY(0x2ca, KEY_KBDINPUTASSIST_NEXTGROUP),
HCONS_MAP_KEY(0x2cb, KEY_KBDINPUTASSIST_ACCEPT),
HCONS_MAP_KEY(0x2cc, KEY_KBDINPUTASSIST_CANCEL),
HCONS_MAP_KEY(0x29f, KEY_SCALE),
};
static const struct hid_device_id hcons_devs[] = {
{ HID_TLC(HUP_CONSUMER, HUC_CONTROL) },
};
/*
* Emulate relative Consumer volume usage with pressing
* VOLUMEUP and VOLUMEDOWN keys appropriate number of times
*/
static int
hcons_rel_volume_cb(HIDMAP_CB_ARGS)
{
struct evdev_dev *evdev = HIDMAP_CB_GET_EVDEV();
int32_t code;
int nrepeats;
switch (HIDMAP_CB_GET_STATE()) {
case HIDMAP_CB_IS_ATTACHING:
evdev_support_event(evdev, EV_KEY);
evdev_support_key(evdev, KEY_VOLUMEUP);
evdev_support_key(evdev, KEY_VOLUMEDOWN);
break;
case HIDMAP_CB_IS_RUNNING:
/* Nothing to report. */
if (ctx.data == 0)
return (ENOMSG);
code = ctx.data > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
for (nrepeats = abs(ctx.data); nrepeats > 0; nrepeats--) {
evdev_push_key(evdev, code, 1);
evdev_push_key(evdev, code, 0);
}
break;
default:
break;
}
return (0);
}
static int
hcons_probe(device_t dev)
{
return (HIDMAP_PROBE(device_get_softc(dev), dev,
hcons_devs, hcons_map, "Consumer Control"));
}
static int
hcons_attach(device_t dev)
{
return (hidmap_attach(device_get_softc(dev)));
}
static int
hcons_detach(device_t dev)
{
return (hidmap_detach(device_get_softc(dev)));
}
static device_method_t hcons_methods[] = {
DEVMETHOD(device_probe, hcons_probe),
DEVMETHOD(device_attach, hcons_attach),
DEVMETHOD(device_detach, hcons_detach),
DEVMETHOD_END
};
DEFINE_CLASS_0(hcons, hcons_driver, hcons_methods, sizeof(struct hidmap));
DRIVER_MODULE(hcons, hidbus, hcons_driver, NULL, NULL);
MODULE_DEPEND(hcons, hid, 1, 1, 1);
MODULE_DEPEND(hcons, hidbus, 1, 1, 1);
MODULE_DEPEND(hcons, hidmap, 1, 1, 1);
MODULE_DEPEND(hcons, evdev, 1, 1, 1);
MODULE_VERSION(hcons, 1);
HID_PNP_INFO(hcons_devs);