Commit | Line | Data |
---|---|---|
20eb1279 | 1 | /* |
5edc41ee AH |
2 | * Force feedback support for PantherLord/GreenAsia based devices |
3 | * | |
4 | * The devices are distributed under various names and the same USB device ID | |
5 | * can be used in both adapters and actual game controllers. | |
6 | * | |
7 | * 0810:0001 "Twin USB Joystick" | |
8 | * - tested with PantherLord USB/PS2 2in1 Adapter | |
9 | * - contains two reports, one for each port (HID_QUIRK_MULTI_INPUT) | |
10 | * | |
11 | * 0e8f:0003 "GreenAsia Inc. USB Joystick " | |
5f022298 | 12 | * - tested with K??ng Gaming gamepad |
20eb1279 AH |
13 | * |
14 | * Copyright (c) 2007 Anssi Hannula <anssi.hannula@gmail.com> | |
15 | */ | |
16 | ||
17 | /* | |
18 | * This program is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation; either version 2 of the License, or | |
21 | * (at your option) any later version. | |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
31 | */ | |
32 | ||
33 | ||
34 | /* #define DEBUG */ | |
35 | ||
36 | #define debug(format, arg...) pr_debug("hid-plff: " format "\n" , ## arg) | |
37 | ||
38 | #include <linux/input.h> | |
39 | #include <linux/usb.h> | |
40 | #include <linux/hid.h> | |
5f022298 JS |
41 | |
42 | #include "hid-ids.h" | |
43 | ||
44 | #ifdef CONFIG_PANTHERLORD_FF | |
45 | #include "usbhid/usbhid.h" | |
20eb1279 AH |
46 | |
47 | struct plff_device { | |
48 | struct hid_report *report; | |
49 | }; | |
50 | ||
51 | static int hid_plff_play(struct input_dev *dev, void *data, | |
52 | struct ff_effect *effect) | |
53 | { | |
e0712985 | 54 | struct hid_device *hid = input_get_drvdata(dev); |
20eb1279 AH |
55 | struct plff_device *plff = data; |
56 | int left, right; | |
57 | ||
58 | left = effect->u.rumble.strong_magnitude; | |
59 | right = effect->u.rumble.weak_magnitude; | |
60 | debug("called with 0x%04x 0x%04x", left, right); | |
61 | ||
62 | left = left * 0x7f / 0xffff; | |
63 | right = right * 0x7f / 0xffff; | |
64 | ||
65 | plff->report->field[0]->value[2] = left; | |
66 | plff->report->field[0]->value[3] = right; | |
67 | debug("running with 0x%02x 0x%02x", left, right); | |
68 | usbhid_submit_report(hid, plff->report, USB_DIR_OUT); | |
69 | ||
70 | return 0; | |
71 | } | |
72 | ||
5f022298 | 73 | static int plff_init(struct hid_device *hid) |
20eb1279 AH |
74 | { |
75 | struct plff_device *plff; | |
76 | struct hid_report *report; | |
77 | struct hid_input *hidinput; | |
78 | struct list_head *report_list = | |
79 | &hid->report_enum[HID_OUTPUT_REPORT].report_list; | |
80 | struct list_head *report_ptr = report_list; | |
81 | struct input_dev *dev; | |
82 | int error; | |
83 | ||
5edc41ee AH |
84 | /* The device contains one output report per physical device, all |
85 | containing 1 field, which contains 4 ff00.0002 usages and 4 16bit | |
86 | absolute values. | |
20eb1279 | 87 | |
5edc41ee | 88 | The input reports also contain a field which contains |
20eb1279 AH |
89 | 8 ff00.0001 usages and 8 boolean values. Their meaning is |
90 | currently unknown. */ | |
91 | ||
92 | if (list_empty(report_list)) { | |
79575019 | 93 | dev_err(&hid->dev, "no output reports found\n"); |
20eb1279 AH |
94 | return -ENODEV; |
95 | } | |
96 | ||
97 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
98 | ||
99 | report_ptr = report_ptr->next; | |
100 | ||
101 | if (report_ptr == report_list) { | |
79575019 JS |
102 | dev_err(&hid->dev, "required output report is " |
103 | "missing\n"); | |
20eb1279 AH |
104 | return -ENODEV; |
105 | } | |
106 | ||
107 | report = list_entry(report_ptr, struct hid_report, list); | |
108 | if (report->maxfield < 1) { | |
79575019 | 109 | dev_err(&hid->dev, "no fields in the report\n"); |
20eb1279 AH |
110 | return -ENODEV; |
111 | } | |
112 | ||
113 | if (report->field[0]->report_count < 4) { | |
79575019 | 114 | dev_err(&hid->dev, "not enough values in the field\n"); |
20eb1279 AH |
115 | return -ENODEV; |
116 | } | |
117 | ||
118 | plff = kzalloc(sizeof(struct plff_device), GFP_KERNEL); | |
119 | if (!plff) | |
120 | return -ENOMEM; | |
121 | ||
122 | dev = hidinput->input; | |
123 | ||
124 | set_bit(FF_RUMBLE, dev->ffbit); | |
125 | ||
126 | error = input_ff_create_memless(dev, plff, hid_plff_play); | |
127 | if (error) { | |
128 | kfree(plff); | |
129 | return error; | |
130 | } | |
131 | ||
132 | plff->report = report; | |
133 | plff->report->field[0]->value[0] = 0x00; | |
134 | plff->report->field[0]->value[1] = 0x00; | |
135 | plff->report->field[0]->value[2] = 0x00; | |
136 | plff->report->field[0]->value[3] = 0x00; | |
137 | usbhid_submit_report(hid, plff->report, USB_DIR_OUT); | |
138 | } | |
139 | ||
79575019 | 140 | dev_info(&hid->dev, "Force feedback for PantherLord/GreenAsia " |
5edc41ee | 141 | "devices by Anssi Hannula <anssi.hannula@gmail.com>\n"); |
20eb1279 AH |
142 | |
143 | return 0; | |
144 | } | |
5f022298 JS |
145 | #else |
146 | static inline int plff_init(struct hid_device *hid) | |
147 | { | |
148 | return 0; | |
149 | } | |
150 | #endif | |
151 | ||
152 | static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
153 | { | |
154 | int ret; | |
155 | ||
156 | if (id->driver_data) | |
157 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; | |
158 | ||
159 | ret = hid_parse(hdev); | |
160 | if (ret) { | |
161 | dev_err(&hdev->dev, "parse failed\n"); | |
162 | goto err; | |
163 | } | |
164 | ||
165 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); | |
166 | if (ret) { | |
167 | dev_err(&hdev->dev, "hw start failed\n"); | |
168 | goto err; | |
169 | } | |
170 | ||
171 | plff_init(hdev); | |
172 | ||
173 | return 0; | |
174 | err: | |
175 | return ret; | |
176 | } | |
177 | ||
178 | static const struct hid_device_id pl_devices[] = { | |
179 | { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR), | |
180 | .driver_data = 1 }, /* Twin USB Joystick */ | |
578f3a35 JK |
181 | { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR), |
182 | .driver_data = 1 }, /* Twin USB Joystick */ | |
5f022298 JS |
183 | { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003), }, /* GreenAsia Inc. USB Joystick */ |
184 | { } | |
185 | }; | |
186 | MODULE_DEVICE_TABLE(hid, pl_devices); | |
187 | ||
188 | static struct hid_driver pl_driver = { | |
189 | .name = "pantherlord", | |
190 | .id_table = pl_devices, | |
191 | .probe = pl_probe, | |
192 | }; | |
193 | ||
194 | static int pl_init(void) | |
195 | { | |
196 | return hid_register_driver(&pl_driver); | |
197 | } | |
198 | ||
199 | static void pl_exit(void) | |
200 | { | |
201 | hid_unregister_driver(&pl_driver); | |
202 | } | |
203 | ||
204 | module_init(pl_init); | |
205 | module_exit(pl_exit); | |
206 | MODULE_LICENSE("GPL"); | |
207 | ||
208 | HID_COMPAT_LOAD_DRIVER(pantherlord); |