1.\" Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org> 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions 5.\" are met: 6.\" 1. Redistributions of source code must retain the above copyright 7.\" notice, this list of conditions and the following disclaimer. 8.\" 2. Redistributions in binary form must reproduce the above copyright 9.\" notice, this list of conditions and the following disclaimer in the 10.\" documentation and/or other materials provided with the distribution. 11.\" 12.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 13.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 16.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22.\" SUCH DAMAGE. 23.\" 24.Dd November 30, 2025 25.Dt PS4DSHOCK 4 26.Os 27.Sh NAME 28.Nm ps4dshock 29.Nd Sony PlayStation 4 Dualshock 4 gamepad driver 30.Sh SYNOPSIS 31To compile this driver into the kernel, 32place the following lines in your 33kernel configuration file: 34.Bd -ragged -offset indent 35.Cd "device ps4dshock" 36.Cd "device hid" 37.Cd "device hidbus" 38.Cd "device hidmap" 39.Cd "device evdev" 40.Ed 41.Pp 42Alternatively, to load the driver as a 43module at boot time, place the following line in 44.Xr loader.conf 5 : 45.Bd -literal -offset indent 46ps4dshock_load="YES" 47.Ed 48.Sh DESCRIPTION 49The 50.Nm 51driver provides support for Sony PlayStation 4 Dualshock 4 gamepad driver. 52.Pp 53The 54.Pa /dev/input/event* 55device presents the game controller as a 56.Ar evdev 57type device. 58It is accessible to members of the 59.Em games 60group. 61.Sh SYSCTL VARIABLES 62Next parameters are available as 63.Xr sysctl 8 64variables. 65Debug parameter is available as 66.Xr loader 8 67tunable as well. 68.Bl -tag -width indent 69.It Va dev.p4dshock.*.led_state 70LED state: 0 - off, 1 - on, 2 - blinking. 71.It Va dev.p4dshock.*.led_color_r 72LED color. 73Red component. 74.It Va dev.p4dshock.*.led_color_g 75LED color. 76Green component. 77.It Va dev.p4dshock.*.led_color_b 78LED color. 79Blue component. 80.It Va dev.p4dshock.*.led_delay_on 81LED blink. 82On delay, msecs. 83.It Va dev.p4dshock.*.led_delay_off 84LED blink. 85Off delay, msecs. 86.It Va hw.hid.ps4dshock.debug 87Debug output level, where 0 is debugging disabled and larger values increase 88debug message verbosity. 89Default is 0. 90.El 91.Sh FILES 92.Bl -tag -width /dev/input/event* -compact 93.It Pa /dev/input/event* 94input event device node. 95.El 96.Sh BUGS 97The 98.Nm 99does not support force-feedback events. 100.Sh HISTORY 101The 102.Nm 103driver first appeared in 104.Fx 13.0 . 105.Sh AUTHORS 106.An -nosplit 107The 108.Nm 109driver was written by 110.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org . 111