1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
5 * Copyright (c) 2020 Val Packett <val@packett.cool>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30/*
31 * XBox 360 gamepad driver thanks to the custom descriptor in usbhid.
32 *
33 * Tested on: SVEN GC-5070 in both XInput (XBox 360) and DirectInput modes
34 */
35
36#include <sys/param.h>
37#include <sys/bus.h>
38#include <sys/kernel.h>
39#include <sys/module.h>
40#include <sys/sysctl.h>
41
42#include <dev/evdev/input.h>
43#include <dev/evdev/evdev.h>
44
45#include <dev/hid/hgame.h>
46#include <dev/hid/hid.h>
47#include <dev/hid/hidbus.h>
48#include <dev/hid/hidmap.h>
49#include <dev/hid/hidquirk.h>
50#include <dev/hid/hidrdesc.h>
51
52#include <dev/usb/usb.h>
53#include <dev/usb/usbdi.h>
54
55static const uint8_t	xb360gp_rdesc[] = {HID_XB360GP_REPORT_DESCR()};
56
57#define XB360GP_MAP_BUT(number, code)	\
58	{ HIDMAP_KEY(HUP_BUTTON, number, code) }
59#define XB360GP_MAP_ABS(usage, code)	\
60	{ HIDMAP_ABS(HUP_GENERIC_DESKTOP, HUG_##usage, code) }
61#define XB360GP_MAP_ABS_FLT(usage, code)	\
62	{ HIDMAP_ABS(HUP_GENERIC_DESKTOP, HUG_##usage, code),	\
63	    .fuzz = 16, .flat = 128 }
64#define XB360GP_MAP_ABS_INV(usage, code)	\
65	{ HIDMAP_ABS(HUP_GENERIC_DESKTOP, HUG_##usage, code),	\
66	    .fuzz = 16, .flat = 128, .invert_value = true }
67#define XB360GP_MAP_CRG(usage_from, usage_to, callback)	\
68	{ HIDMAP_ANY_CB_RANGE(HUP_GENERIC_DESKTOP,	\
69	    HUG_##usage_from, HUG_##usage_to, callback) }
70#define XB360GP_FINALCB(cb)		\
71	{ HIDMAP_FINAL_CB(&cb) }
72
73/* Customized to match usbhid's XBox 360 descriptor */
74static const struct hidmap_item xb360gp_map[] = {
75	XB360GP_MAP_BUT(1,		BTN_SOUTH),
76	XB360GP_MAP_BUT(2,		BTN_EAST),
77	XB360GP_MAP_BUT(3,		BTN_WEST),
78	XB360GP_MAP_BUT(4,		BTN_NORTH),
79	XB360GP_MAP_BUT(5,		BTN_TL),
80	XB360GP_MAP_BUT(6,		BTN_TR),
81	XB360GP_MAP_BUT(7,		BTN_SELECT),
82	XB360GP_MAP_BUT(8,		BTN_START),
83	XB360GP_MAP_BUT(9,		BTN_THUMBL),
84	XB360GP_MAP_BUT(10,		BTN_THUMBR),
85	XB360GP_MAP_BUT(11,		BTN_MODE),
86	XB360GP_MAP_CRG(D_PAD_UP, D_PAD_LEFT, hgame_dpad_cb),
87	XB360GP_MAP_ABS_FLT(X,		ABS_X),
88	XB360GP_MAP_ABS_INV(Y,		ABS_Y),
89	XB360GP_MAP_ABS(Z,		ABS_Z),
90	XB360GP_MAP_ABS_FLT(RX,		ABS_RX),
91	XB360GP_MAP_ABS_INV(RY,		ABS_RY),
92	XB360GP_MAP_ABS(RZ,		ABS_RZ),
93	XB360GP_FINALCB(		hgame_final_cb),
94};
95
96static const STRUCT_USB_HOST_ID xb360gp_devs[] = {
97	/* the Xbox 360 gamepad doesn't use the HID class */
98	{USB_IFACE_CLASS(UICLASS_VENDOR),
99	 USB_IFACE_SUBCLASS(UISUBCLASS_XBOX360_CONTROLLER),
100	 USB_IFACE_PROTOCOL(UIPROTO_XBOX360_GAMEPAD),},
101};
102
103static void
104xb360gp_identify(driver_t *driver, device_t parent)
105{
106	const struct hid_device_info *hw = hid_get_device_info(parent);
107
108	/* the Xbox 360 gamepad has no report descriptor */
109	if (hid_test_quirk(hw, HQ_IS_XBOX360GP))
110		hid_set_report_descr(parent, xb360gp_rdesc,
111		    sizeof(xb360gp_rdesc));
112}
113
114static int
115xb360gp_probe(device_t dev)
116{
117	struct hgame_softc *sc = device_get_softc(dev);
118	const struct hid_device_info *hw = hid_get_device_info(dev);
119	int error;
120
121	if (!hid_test_quirk(hw, HQ_IS_XBOX360GP))
122		return (ENXIO);
123
124	hidmap_set_dev(&sc->hm, dev);
125
126	error = HIDMAP_ADD_MAP(&sc->hm, xb360gp_map, NULL);
127	if (error != 0)
128		return (error);
129
130	device_set_desc(dev, "XBox 360 Gamepad");
131
132	return (BUS_PROBE_DEFAULT);
133}
134
135static int
136xb360gp_attach(device_t dev)
137{
138	struct hgame_softc *sc = device_get_softc(dev);
139	int error;
140
141	/*
142	 * Turn off the four LEDs on the gamepad which
143	 * are blinking by default:
144	 */
145	static const uint8_t reportbuf[3] = {1, 3, 0};
146	error = hid_set_report(dev, reportbuf, sizeof(reportbuf),
147	    HID_OUTPUT_REPORT, 0);
148	if (error)
149		device_printf(dev, "set output report failed, error=%d "
150		    "(ignored)\n", error);
151
152	return (hidmap_attach(&sc->hm));
153}
154
155static int
156xb360gp_detach(device_t dev)
157{
158	struct hgame_softc *sc = device_get_softc(dev);
159
160	return (hidmap_detach(&sc->hm));
161}
162
163static device_method_t xb360gp_methods[] = {
164	DEVMETHOD(device_identify,	xb360gp_identify),
165	DEVMETHOD(device_probe,		xb360gp_probe),
166	DEVMETHOD(device_attach,	xb360gp_attach),
167	DEVMETHOD(device_detach,	xb360gp_detach),
168	DEVMETHOD_END
169};
170
171DEFINE_CLASS_0(xb360gp, xb360gp_driver, xb360gp_methods,
172    sizeof(struct hgame_softc));
173DRIVER_MODULE(xb360gp, hidbus, xb360gp_driver, NULL, NULL);
174MODULE_DEPEND(xb360gp, hid, 1, 1, 1);
175MODULE_DEPEND(xb360gp, hidbus, 1, 1, 1);
176MODULE_DEPEND(xb360gp, hidmap, 1, 1, 1);
177MODULE_DEPEND(xb360gp, hgame, 1, 1, 1);
178MODULE_DEPEND(xb360gp, evdev, 1, 1, 1);
179MODULE_VERSION(xb360gp, 1);
180USB_PNP_HOST_INFO(xb360gp_devs);
181