GNU Linux-libre 4.4.289-gnu1
[releases.git] / drivers / hid / hid-sjoy.c
1 /*
2  *  Force feedback support for SmartJoy PLUS PS2->USB adapter
3  *
4  *  Copyright (c) 2009 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
5  *
6  *  Based of hid-pl.c and hid-gaff.c
7  *   Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com>
8  *   Copyright (c) 2008 Lukasz Lubojanski <lukasz@lubojanski.info>
9  */
10
11 /*
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation; either version 2 of the License, or
15  * (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25  */
26
27 /* #define DEBUG */
28
29 #include <linux/input.h>
30 #include <linux/slab.h>
31 #include <linux/hid.h>
32 #include <linux/module.h>
33 #include "hid-ids.h"
34
35 #ifdef CONFIG_SMARTJOYPLUS_FF
36
37 struct sjoyff_device {
38         struct hid_report *report;
39 };
40
41 static int hid_sjoyff_play(struct input_dev *dev, void *data,
42                          struct ff_effect *effect)
43 {
44         struct hid_device *hid = input_get_drvdata(dev);
45         struct sjoyff_device *sjoyff = data;
46         u32 left, right;
47
48         left = effect->u.rumble.strong_magnitude;
49         right = effect->u.rumble.weak_magnitude;
50         dev_dbg(&dev->dev, "called with 0x%08x 0x%08x\n", left, right);
51
52         left = left * 0xff / 0xffff;
53         right = (right != 0); /* on/off only */
54
55         sjoyff->report->field[0]->value[1] = right;
56         sjoyff->report->field[0]->value[2] = left;
57         dev_dbg(&dev->dev, "running with 0x%02x 0x%02x\n", left, right);
58         hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT);
59
60         return 0;
61 }
62
63 static int sjoyff_init(struct hid_device *hid)
64 {
65         struct sjoyff_device *sjoyff;
66         struct hid_report *report;
67         struct hid_input *hidinput;
68         struct list_head *report_list =
69                         &hid->report_enum[HID_OUTPUT_REPORT].report_list;
70         struct list_head *report_ptr = report_list;
71         struct input_dev *dev;
72         int error;
73
74         if (list_empty(report_list)) {
75                 hid_err(hid, "no output reports found\n");
76                 return -ENODEV;
77         }
78
79         list_for_each_entry(hidinput, &hid->inputs, list) {
80                 report_ptr = report_ptr->next;
81
82                 if (report_ptr == report_list) {
83                         hid_err(hid, "required output report is missing\n");
84                         return -ENODEV;
85                 }
86
87                 report = list_entry(report_ptr, struct hid_report, list);
88                 if (report->maxfield < 1) {
89                         hid_err(hid, "no fields in the report\n");
90                         return -ENODEV;
91                 }
92
93                 if (report->field[0]->report_count < 3) {
94                         hid_err(hid, "not enough values in the field\n");
95                         return -ENODEV;
96                 }
97
98                 sjoyff = kzalloc(sizeof(struct sjoyff_device), GFP_KERNEL);
99                 if (!sjoyff)
100                         return -ENOMEM;
101
102                 dev = hidinput->input;
103
104                 set_bit(FF_RUMBLE, dev->ffbit);
105
106                 error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play);
107                 if (error) {
108                         kfree(sjoyff);
109                         return error;
110                 }
111
112                 sjoyff->report = report;
113                 sjoyff->report->field[0]->value[0] = 0x01;
114                 sjoyff->report->field[0]->value[1] = 0x00;
115                 sjoyff->report->field[0]->value[2] = 0x00;
116                 hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT);
117         }
118
119         hid_info(hid, "Force feedback for SmartJoy PLUS PS2/USB adapter\n");
120
121         return 0;
122 }
123 #else
124 static inline int sjoyff_init(struct hid_device *hid)
125 {
126         return 0;
127 }
128 #endif
129
130 static int sjoy_probe(struct hid_device *hdev, const struct hid_device_id *id)
131 {
132         int ret;
133
134         hdev->quirks |= id->driver_data;
135
136         ret = hid_parse(hdev);
137         if (ret) {
138                 hid_err(hdev, "parse failed\n");
139                 goto err;
140         }
141
142         ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
143         if (ret) {
144                 hid_err(hdev, "hw start failed\n");
145                 goto err;
146         }
147
148         sjoyff_init(hdev);
149
150         return 0;
151 err:
152         return ret;
153 }
154
155 static const struct hid_device_id sjoy_devices[] = {
156         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO),
157                 .driver_data = HID_QUIRK_NOGET },
158         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO),
159                 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET |
160                                HID_QUIRK_SKIP_OUTPUT_REPORTS },
161         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO),
162                 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET |
163                                HID_QUIRK_SKIP_OUTPUT_REPORTS },
164         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
165         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
166         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD),
167                 .driver_data = HID_QUIRK_MULTI_INPUT |
168                                HID_QUIRK_SKIP_OUTPUT_REPORTS },
169         { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII),
170                 .driver_data = HID_QUIRK_MULTI_INPUT |
171                                HID_QUIRK_SKIP_OUTPUT_REPORTS },
172         { }
173 };
174 MODULE_DEVICE_TABLE(hid, sjoy_devices);
175
176 static struct hid_driver sjoy_driver = {
177         .name = "smartjoyplus",
178         .id_table = sjoy_devices,
179         .probe = sjoy_probe,
180 };
181 module_hid_driver(sjoy_driver);
182
183 MODULE_LICENSE("GPL");
184 MODULE_AUTHOR("Jussi Kivilinna");
185