1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2f8690450SMarcel Hasler /*
3f8690450SMarcel Hasler * Force feedback support for Mayflash game controller adapters.
4f8690450SMarcel Hasler *
5f8690450SMarcel Hasler * These devices are manufactured by Mayflash but identify themselves
6f8690450SMarcel Hasler * using the vendor ID of DragonRise Inc.
7f8690450SMarcel Hasler *
8f8690450SMarcel Hasler * Tested with:
9f8690450SMarcel Hasler * 0079:1801 "DragonRise Inc. Mayflash PS3 Game Controller Adapter"
10fe6cc17fSMarcel Hasler * 0079:1803 "DragonRise Inc. Mayflash Wireless Sensor DolphinBar"
11fe6cc17fSMarcel Hasler * 0079:1843 "DragonRise Inc. Mayflash GameCube Game Controller Adapter"
12fe6cc17fSMarcel Hasler * 0079:1844 "DragonRise Inc. Mayflash GameCube Game Controller Adapter (v04)"
13f8690450SMarcel Hasler *
14f8690450SMarcel Hasler * The following adapters probably work too, but need to be tested:
15f8690450SMarcel Hasler * 0079:1800 "DragonRise Inc. Mayflash WIIU Game Controller Adapter"
16f8690450SMarcel Hasler *
17fe6cc17fSMarcel Hasler * Copyright (c) 2016-2017 Marcel Hasler <mahasler@gmail.com>
18f8690450SMarcel Hasler */
19f8690450SMarcel Hasler
20f8690450SMarcel Hasler /*
21f8690450SMarcel Hasler */
22f8690450SMarcel Hasler
23f8690450SMarcel Hasler #include <linux/input.h>
24f8690450SMarcel Hasler #include <linux/slab.h>
25f8690450SMarcel Hasler #include <linux/hid.h>
26f8690450SMarcel Hasler #include <linux/module.h>
27f8690450SMarcel Hasler
28f8690450SMarcel Hasler #include "hid-ids.h"
29f8690450SMarcel Hasler
30f8690450SMarcel Hasler struct mf_device {
31f8690450SMarcel Hasler struct hid_report *report;
32f8690450SMarcel Hasler };
33f8690450SMarcel Hasler
mf_play(struct input_dev * dev,void * data,struct ff_effect * effect)34f8690450SMarcel Hasler static int mf_play(struct input_dev *dev, void *data, struct ff_effect *effect)
35f8690450SMarcel Hasler {
36f8690450SMarcel Hasler struct hid_device *hid = input_get_drvdata(dev);
37f8690450SMarcel Hasler struct mf_device *mf = data;
38f8690450SMarcel Hasler int strong, weak;
39f8690450SMarcel Hasler
40f8690450SMarcel Hasler strong = effect->u.rumble.strong_magnitude;
41f8690450SMarcel Hasler weak = effect->u.rumble.weak_magnitude;
42f8690450SMarcel Hasler
43f8690450SMarcel Hasler dbg_hid("Called with 0x%04x 0x%04x.\n", strong, weak);
44f8690450SMarcel Hasler
45f8690450SMarcel Hasler strong = strong * 0xff / 0xffff;
46f8690450SMarcel Hasler weak = weak * 0xff / 0xffff;
47f8690450SMarcel Hasler
48f8690450SMarcel Hasler dbg_hid("Running with 0x%02x 0x%02x.\n", strong, weak);
49f8690450SMarcel Hasler
50f8690450SMarcel Hasler mf->report->field[0]->value[0] = weak;
51f8690450SMarcel Hasler mf->report->field[0]->value[1] = strong;
52f8690450SMarcel Hasler hid_hw_request(hid, mf->report, HID_REQ_SET_REPORT);
53f8690450SMarcel Hasler
54f8690450SMarcel Hasler return 0;
55f8690450SMarcel Hasler }
56f8690450SMarcel Hasler
mf_init(struct hid_device * hid)57f8690450SMarcel Hasler static int mf_init(struct hid_device *hid)
58f8690450SMarcel Hasler {
59f8690450SMarcel Hasler struct mf_device *mf;
60f8690450SMarcel Hasler
61f8690450SMarcel Hasler struct list_head *report_list =
62f8690450SMarcel Hasler &hid->report_enum[HID_OUTPUT_REPORT].report_list;
63f8690450SMarcel Hasler
64f8690450SMarcel Hasler struct list_head *report_ptr;
65f8690450SMarcel Hasler struct hid_report *report;
66f8690450SMarcel Hasler
67f8690450SMarcel Hasler struct list_head *input_ptr = &hid->inputs;
68f8690450SMarcel Hasler struct hid_input *input;
69f8690450SMarcel Hasler
70f8690450SMarcel Hasler struct input_dev *dev;
71f8690450SMarcel Hasler
72f8690450SMarcel Hasler int error;
73f8690450SMarcel Hasler
74f8690450SMarcel Hasler /* Setup each of the four inputs */
75f8690450SMarcel Hasler list_for_each(report_ptr, report_list) {
76f8690450SMarcel Hasler report = list_entry(report_ptr, struct hid_report, list);
77f8690450SMarcel Hasler
78f8690450SMarcel Hasler if (report->maxfield < 1 || report->field[0]->report_count < 2) {
79f8690450SMarcel Hasler hid_err(hid, "Invalid report, this should never happen!\n");
80f8690450SMarcel Hasler return -ENODEV;
81f8690450SMarcel Hasler }
82f8690450SMarcel Hasler
83f8690450SMarcel Hasler if (list_is_last(input_ptr, &hid->inputs)) {
84f8690450SMarcel Hasler hid_err(hid, "Missing input, this should never happen!\n");
85f8690450SMarcel Hasler return -ENODEV;
86f8690450SMarcel Hasler }
87f8690450SMarcel Hasler
88f8690450SMarcel Hasler input_ptr = input_ptr->next;
89f8690450SMarcel Hasler input = list_entry(input_ptr, struct hid_input, list);
90f8690450SMarcel Hasler
91f8690450SMarcel Hasler mf = kzalloc(sizeof(struct mf_device), GFP_KERNEL);
92f8690450SMarcel Hasler if (!mf)
93f8690450SMarcel Hasler return -ENOMEM;
94f8690450SMarcel Hasler
95f8690450SMarcel Hasler dev = input->input;
96f8690450SMarcel Hasler set_bit(FF_RUMBLE, dev->ffbit);
97f8690450SMarcel Hasler
98f8690450SMarcel Hasler error = input_ff_create_memless(dev, mf, mf_play);
99f8690450SMarcel Hasler if (error) {
100f8690450SMarcel Hasler kfree(mf);
101f8690450SMarcel Hasler return error;
102f8690450SMarcel Hasler }
103f8690450SMarcel Hasler
104f8690450SMarcel Hasler mf->report = report;
105f8690450SMarcel Hasler mf->report->field[0]->value[0] = 0x00;
106f8690450SMarcel Hasler mf->report->field[0]->value[1] = 0x00;
107f8690450SMarcel Hasler hid_hw_request(hid, mf->report, HID_REQ_SET_REPORT);
108f8690450SMarcel Hasler }
109f8690450SMarcel Hasler
110f8690450SMarcel Hasler hid_info(hid, "Force feedback for HJZ Mayflash game controller "
111f8690450SMarcel Hasler "adapters by Marcel Hasler <mahasler@gmail.com>\n");
112f8690450SMarcel Hasler
113f8690450SMarcel Hasler return 0;
114f8690450SMarcel Hasler }
115f8690450SMarcel Hasler
mf_probe(struct hid_device * hid,const struct hid_device_id * id)116f8690450SMarcel Hasler static int mf_probe(struct hid_device *hid, const struct hid_device_id *id)
117f8690450SMarcel Hasler {
118f8690450SMarcel Hasler int error;
119f8690450SMarcel Hasler
120f8690450SMarcel Hasler dev_dbg(&hid->dev, "Mayflash HID hardware probe...\n");
121f8690450SMarcel Hasler
122fe6cc17fSMarcel Hasler /* Apply quirks as needed */
123fe6cc17fSMarcel Hasler hid->quirks |= id->driver_data;
124f8690450SMarcel Hasler
125f8690450SMarcel Hasler error = hid_parse(hid);
126f8690450SMarcel Hasler if (error) {
127f8690450SMarcel Hasler hid_err(hid, "HID parse failed.\n");
128f8690450SMarcel Hasler return error;
129f8690450SMarcel Hasler }
130f8690450SMarcel Hasler
131f8690450SMarcel Hasler error = hid_hw_start(hid, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
132f8690450SMarcel Hasler if (error) {
133f8690450SMarcel Hasler hid_err(hid, "HID hw start failed\n");
134f8690450SMarcel Hasler return error;
135f8690450SMarcel Hasler }
136f8690450SMarcel Hasler
137f8690450SMarcel Hasler error = mf_init(hid);
138f8690450SMarcel Hasler if (error) {
139f8690450SMarcel Hasler hid_err(hid, "Force feedback init failed.\n");
140f8690450SMarcel Hasler hid_hw_stop(hid);
141f8690450SMarcel Hasler return error;
142f8690450SMarcel Hasler }
143f8690450SMarcel Hasler
144f8690450SMarcel Hasler return 0;
145f8690450SMarcel Hasler }
146f8690450SMarcel Hasler
147f8690450SMarcel Hasler static const struct hid_device_id mf_devices[] = {
148fe6cc17fSMarcel Hasler { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3),
149fe6cc17fSMarcel Hasler .driver_data = HID_QUIRK_MULTI_INPUT },
150fe6cc17fSMarcel Hasler { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR),
151fe6cc17fSMarcel Hasler .driver_data = HID_QUIRK_MULTI_INPUT },
152fe6cc17fSMarcel Hasler { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1),
153fe6cc17fSMarcel Hasler .driver_data = HID_QUIRK_MULTI_INPUT },
154fe6cc17fSMarcel Hasler { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2),
155fe6cc17fSMarcel Hasler .driver_data = 0 }, /* No quirk required */
156*1008230fSEthan Warth { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE3),
157*1008230fSEthan Warth .driver_data = HID_QUIRK_MULTI_INPUT },
158f8690450SMarcel Hasler { }
159f8690450SMarcel Hasler };
160f8690450SMarcel Hasler MODULE_DEVICE_TABLE(hid, mf_devices);
161f8690450SMarcel Hasler
162f8690450SMarcel Hasler static struct hid_driver mf_driver = {
163f8690450SMarcel Hasler .name = "hid_mf",
164f8690450SMarcel Hasler .id_table = mf_devices,
165f8690450SMarcel Hasler .probe = mf_probe,
166f8690450SMarcel Hasler };
167f8690450SMarcel Hasler module_hid_driver(mf_driver);
168f8690450SMarcel Hasler
169f8690450SMarcel Hasler MODULE_LICENSE("GPL");
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