The branch main has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=3d85dcd1a9aa2e1b903935062500cb15b1a700f8
commit 3d85dcd1a9aa2e1b903935062500cb15b1a700f8 Author: Vladimir Kondratyev <[email protected]> AuthorDate: 2026-02-10 22:59:06 +0000 Commit: Vladimir Kondratyev <[email protected]> CommitDate: 2026-02-10 22:59:06 +0000 psm(4): Add middle button support for Elantech V4 touchpads based on firmware version. PR: 291262 MFC after: 1 month --- sys/dev/atkbdc/psm.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/sys/dev/atkbdc/psm.c b/sys/dev/atkbdc/psm.c index d36396df0fa0..95acf43a3bc6 100644 --- a/sys/dev/atkbdc/psm.c +++ b/sys/dev/atkbdc/psm.c @@ -352,6 +352,8 @@ typedef struct elantechhw { int dptracey; int issemimt; int isclickpad; + int hassmbusnotify; + int has3buttons; int hascrc; int hastrackpoint; int haspressure; @@ -417,7 +419,7 @@ enum { ((pb)->ipacket[0] & 0x0c) == 0x0c && ((pb)->ipacket[3] & 0xce) == 0x0c) #define ELANTECH_PKT_IS_V4(pb, hascrc) ((hascrc) ? \ ((pb)->ipacket[3] & 0x08) == 0x00 : \ - ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x1c) == 0x10) + ((pb)->ipacket[0] & 0x08) == 0x00 && ((pb)->ipacket[3] & 0x1c) == 0x10) typedef struct elantechaction { finger_t fingers[ELANTECH_MAX_FINGERS]; @@ -1930,8 +1932,11 @@ psm_register_elantech(device_t dev) evdev_support_key(evdev_a, BTN_TOUCH); evdev_support_nfingers(evdev_a, ELANTECH_MAX_FINGERS); evdev_support_key(evdev_a, BTN_LEFT); - if (!sc->elanhw.isclickpad) + if (!sc->elanhw.isclickpad) { evdev_support_key(evdev_a, BTN_RIGHT); + if (sc->elanhw.has3buttons) + evdev_support_key(evdev_a, BTN_MIDDLE); + } psm_support_abs_bulk(evdev_a, elantech_absinfo); error = evdev_register_mtx(evdev_a, &Giant); @@ -4755,6 +4760,9 @@ proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, touchpad_button = ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0); + if (sc->elanhw.has3buttons) + touchpad_button |= + ((pb->ipacket[0] & 0x04) ? MOUSE_BUTTON2DOWN : 0); } #ifdef EVDEV_SUPPORT @@ -7347,6 +7355,9 @@ enable_elantech(struct psm_softc *sc, enum probearg arg) elanhw.hwversion = hwversion; elanhw.issemimt = hwversion == 2; elanhw.isclickpad = (resp[1] & 0x10) != 0; + elanhw.hassmbusnotify = + icversion == 0x0f && (resp[1] & 0x20) != 0 && resp[2] != 0; + elanhw.has3buttons = elanhw.hassmbusnotify; elanhw.hascrc = (resp[1] & 0x40) != 0; elanhw.haspressure = elanhw.fwversion >= 0x020800;
