234 lines
6.5 KiB
C
234 lines
6.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
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* Copyright (c) 2020 Val Packett <val@packett.cool>
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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/cdefs.h>
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/*
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* Generic HID game controller (joystick/gamepad) driver,
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*/
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/sysctl.h>
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#include <dev/evdev/input.h>
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#include <dev/evdev/evdev.h>
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#include <dev/hid/hgame.h>
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#include <dev/hid/hid.h>
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#include <dev/hid/hidbus.h>
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#include <dev/hid/hidquirk.h>
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#include <dev/hid/hidmap.h>
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#define HGAME_MAP_BRG(number_from, number_to, code) \
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{ HIDMAP_KEY_RANGE(HUP_BUTTON, number_from, number_to, code) }
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#define HGAME_MAP_ABS(usage, code) \
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{ HIDMAP_ABS(HUP_GENERIC_DESKTOP, HUG_##usage, code) }
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#define HGAME_MAP_GCB(usage, callback) \
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{ HIDMAP_ANY_CB(HUP_GENERIC_DESKTOP, HUG_##usage, callback) }
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#define HGAME_MAP_CRG(usage_from, usage_to, callback) \
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{ HIDMAP_ANY_CB_RANGE(HUP_GENERIC_DESKTOP, \
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HUG_##usage_from, HUG_##usage_to, callback) }
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#define HGAME_FINALCB(cb) \
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{ HIDMAP_FINAL_CB(&cb) }
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static const struct hidmap_item hgame_map[] = {
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HGAME_MAP_BRG(1, 16, BTN_TRIGGER),
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HGAME_MAP_ABS(X, ABS_X),
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HGAME_MAP_ABS(Y, ABS_Y),
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HGAME_MAP_ABS(Z, ABS_Z),
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HGAME_MAP_ABS(RX, ABS_RX),
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HGAME_MAP_ABS(RY, ABS_RY),
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HGAME_MAP_ABS(RZ, ABS_RZ),
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HGAME_MAP_GCB(HAT_SWITCH, hgame_hat_switch_cb),
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HGAME_MAP_CRG(D_PAD_UP, D_PAD_LEFT, hgame_dpad_cb),
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HGAME_MAP_BRG(17, 57, BTN_TRIGGER_HAPPY),
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HGAME_FINALCB( hgame_final_cb),
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};
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static const struct hid_device_id hgame_devs[] = {
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{ HID_TLC(HUP_GENERIC_DESKTOP, HUG_JOYSTICK),
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HID_DRIVER_INFO(HUG_JOYSTICK) },
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{ HID_TLC(HUP_GENERIC_DESKTOP, HUG_GAME_PAD),
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HID_DRIVER_INFO(HUG_GAME_PAD) },
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};
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int
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hgame_hat_switch_cb(HIDMAP_CB_ARGS)
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{
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static const struct { int32_t x; int32_t y; } hat_switch_map[] = {
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{0, -1}, {1, -1}, {1, 0}, {1, 1}, {0, 1}, {-1, 1}, {-1, 0},
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{-1, -1},{0, 0}
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};
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struct evdev_dev *evdev = HIDMAP_CB_GET_EVDEV();
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u_int idx;
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switch (HIDMAP_CB_GET_STATE()) {
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case HIDMAP_CB_IS_ATTACHING:
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evdev_support_event(evdev, EV_ABS);
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evdev_support_abs(evdev, ABS_HAT0X, -1, 1, 0, 0, 0);
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evdev_support_abs(evdev, ABS_HAT0Y, -1, 1, 0, 0, 0);
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break;
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case HIDMAP_CB_IS_RUNNING:
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idx = MIN(nitems(hat_switch_map) - 1, (u_int)ctx.data);
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evdev_push_abs(evdev, ABS_HAT0X, hat_switch_map[idx].x);
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evdev_push_abs(evdev, ABS_HAT0Y, hat_switch_map[idx].y);
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break;
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default:
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break;
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}
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return (0);
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}
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/*
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* Emulate the hat switch report via the D-pad usages
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* found on XInput/XBox style devices
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*/
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int
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hgame_dpad_cb(HIDMAP_CB_ARGS)
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{
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struct hgame_softc *sc = HIDMAP_CB_GET_SOFTC();
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struct evdev_dev *evdev = HIDMAP_CB_GET_EVDEV();
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int32_t data;
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switch (HIDMAP_CB_GET_STATE()) {
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case HIDMAP_CB_IS_ATTACHING:
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HIDMAP_CB_UDATA64 = HID_GET_USAGE(ctx.hi->usage);
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evdev_support_event(evdev, EV_ABS);
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evdev_support_abs(evdev, ABS_HAT0X, -1, 1, 0, 0, 0);
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evdev_support_abs(evdev, ABS_HAT0Y, -1, 1, 0, 0, 0);
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break;
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case HIDMAP_CB_IS_RUNNING:
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data = ctx.data;
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switch (HIDMAP_CB_UDATA64) {
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case HUG_D_PAD_UP:
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if (sc->dpad_down)
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return (ENOMSG);
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evdev_push_abs(evdev, ABS_HAT0Y, (data == 0) ? 0 : -1);
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sc->dpad_up = (data != 0);
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break;
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case HUG_D_PAD_DOWN:
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if (sc->dpad_up)
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return (ENOMSG);
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evdev_push_abs(evdev, ABS_HAT0Y, (data == 0) ? 0 : 1);
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sc->dpad_down = (data != 0);
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break;
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case HUG_D_PAD_RIGHT:
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if (sc->dpad_left)
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return (ENOMSG);
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evdev_push_abs(evdev, ABS_HAT0X, (data == 0) ? 0 : 1);
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sc->dpad_right = (data != 0);
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break;
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case HUG_D_PAD_LEFT:
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if (sc->dpad_right)
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return (ENOMSG);
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evdev_push_abs(evdev, ABS_HAT0X, (data == 0) ? 0 : -1);
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sc->dpad_left = (data != 0);
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break;
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}
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break;
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default:
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break;
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}
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return (0);
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}
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int
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hgame_final_cb(HIDMAP_CB_ARGS)
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{
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struct evdev_dev *evdev = HIDMAP_CB_GET_EVDEV();
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if (HIDMAP_CB_GET_STATE() == HIDMAP_CB_IS_ATTACHING)
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evdev_support_prop(evdev, INPUT_PROP_DIRECT);
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/* Do not execute callback at interrupt handler and detach */
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return (ENOSYS);
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}
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static int
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hgame_probe(device_t dev)
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{
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const struct hid_device_info *hw = hid_get_device_info(dev);
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struct hgame_softc *sc = device_get_softc(dev);
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int error;
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if (hid_test_quirk(hw, HQ_IS_XBOX360GP))
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return(ENXIO);
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error = HIDMAP_PROBE(&sc->hm, dev, hgame_devs, hgame_map, NULL);
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if (error > 0)
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return (error);
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hidbus_set_desc(dev, hidbus_get_driver_info(dev) == HUG_GAME_PAD ?
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"Gamepad" : "Joystick");
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return (BUS_PROBE_GENERIC);
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}
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static int
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hgame_attach(device_t dev)
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{
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struct hgame_softc *sc = device_get_softc(dev);
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return (hidmap_attach(&sc->hm));
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}
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static int
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hgame_detach(device_t dev)
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{
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struct hgame_softc *sc = device_get_softc(dev);
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return (hidmap_detach(&sc->hm));
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}
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static device_method_t hgame_methods[] = {
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DEVMETHOD(device_probe, hgame_probe),
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DEVMETHOD(device_attach, hgame_attach),
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DEVMETHOD(device_detach, hgame_detach),
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DEVMETHOD_END
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};
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DEFINE_CLASS_0(hgame, hgame_driver, hgame_methods, sizeof(struct hgame_softc));
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DRIVER_MODULE(hgame, hidbus, hgame_driver, NULL, NULL);
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MODULE_DEPEND(hgame, hid, 1, 1, 1);
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MODULE_DEPEND(hgame, hidbus, 1, 1, 1);
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MODULE_DEPEND(hgame, hidmap, 1, 1, 1);
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MODULE_DEPEND(hgame, evdev, 1, 1, 1);
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MODULE_VERSION(hgame, 1);
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HID_PNP_INFO(hgame_devs);
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