Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * Force feedback support for hid-compliant for some of the devices from |
3 | * Logitech, namely: | |
4 | * - WingMan Cordless RumblePad | |
5 | * - WingMan Force 3D | |
6 | * | |
7 | * Copyright (c) 2002-2004 Johann Deneux | |
dc76c912 | 8 | * Copyright (c) 2006 Anssi Hannula <anssi.hannula@gmail.com> |
1da177e4 LT |
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 | * Should you need to contact me, the author, you can do so by | |
27 | * e-mail - mail your message to <johann.deneux@it.uu.se> | |
28 | */ | |
29 | ||
4291ee30 JP |
30 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
31 | ||
1da177e4 | 32 | #include <linux/input.h> |
1da177e4 | 33 | #include <linux/usb.h> |
dde5845a | 34 | #include <linux/hid.h> |
606bd0a8 JS |
35 | |
36 | #include "usbhid/usbhid.h" | |
37 | #include "hid-lg.h" | |
1da177e4 | 38 | |
f9f852df | 39 | struct dev_type { |
1da177e4 LT |
40 | u16 idVendor; |
41 | u16 idProduct; | |
dc76c912 | 42 | const signed short *ff; |
1da177e4 LT |
43 | }; |
44 | ||
dc76c912 | 45 | static const signed short ff_rumble[] = { |
1da177e4 LT |
46 | FF_RUMBLE, |
47 | -1 | |
48 | }; | |
49 | ||
dc76c912 | 50 | static const signed short ff_joystick[] = { |
1da177e4 LT |
51 | FF_CONSTANT, |
52 | -1 | |
53 | }; | |
54 | ||
f0bca459 SB |
55 | static const signed short ff_joystick_ac[] = { |
56 | FF_CONSTANT, | |
57 | FF_AUTOCENTER, | |
58 | -1 | |
59 | }; | |
60 | ||
2bea94db SB |
61 | static const signed short ff_wheel[] = { |
62 | FF_CONSTANT, | |
63 | FF_AUTOCENTER, | |
64 | -1 | |
65 | }; | |
66 | ||
f9f852df | 67 | static const struct dev_type devices[] = { |
dc76c912 AH |
68 | { 0x046d, 0xc211, ff_rumble }, |
69 | { 0x046d, 0xc219, ff_rumble }, | |
70 | { 0x046d, 0xc283, ff_joystick }, | |
f0bca459 | 71 | { 0x046d, 0xc286, ff_joystick_ac }, |
74f292ca | 72 | { 0x046d, 0xc287, ff_joystick_ac }, |
fd30ea8c | 73 | { 0x046d, 0xc293, ff_joystick }, |
92e0d896 | 74 | { 0x046d, 0xc294, ff_wheel }, |
fdc6807f PG |
75 | { 0x046d, 0xc298, ff_wheel }, |
76 | { 0x046d, 0xc299, ff_wheel }, | |
77 | { 0x046d, 0xc29b, ff_wheel }, | |
130b1ab3 | 78 | { 0x046d, 0xc295, ff_joystick }, |
1478d82d SW |
79 | { 0x046d, 0xc298, ff_wheel }, |
80 | { 0x046d, 0xc299, ff_wheel }, | |
2bea94db | 81 | { 0x046d, 0xca03, ff_wheel }, |
1da177e4 LT |
82 | }; |
83 | ||
dc76c912 AH |
84 | static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *effect) |
85 | { | |
e0712985 | 86 | struct hid_device *hid = input_get_drvdata(dev); |
dc76c912 AH |
87 | struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; |
88 | struct hid_report *report = list_entry(report_list->next, struct hid_report, list); | |
89 | int x, y; | |
90 | unsigned int left, right; | |
91 | ||
92 | #define CLAMP(x) if (x < 0) x = 0; if (x > 0xff) x = 0xff | |
93 | ||
94 | switch (effect->type) { | |
95 | case FF_CONSTANT: | |
96 | x = effect->u.ramp.start_level + 0x7f; /* 0x7f is center */ | |
97 | y = effect->u.ramp.end_level + 0x7f; | |
98 | CLAMP(x); | |
99 | CLAMP(y); | |
100 | report->field[0]->value[0] = 0x51; | |
101 | report->field[0]->value[1] = 0x08; | |
102 | report->field[0]->value[2] = x; | |
103 | report->field[0]->value[3] = y; | |
58037eb9 | 104 | dbg_hid("(x, y)=(%04x, %04x)\n", x, y); |
4916b3a5 | 105 | usbhid_submit_report(hid, report, USB_DIR_OUT); |
dc76c912 AH |
106 | break; |
107 | ||
108 | case FF_RUMBLE: | |
109 | right = effect->u.rumble.strong_magnitude; | |
110 | left = effect->u.rumble.weak_magnitude; | |
111 | right = right * 0xff / 0xffff; | |
112 | left = left * 0xff / 0xffff; | |
113 | CLAMP(left); | |
114 | CLAMP(right); | |
115 | report->field[0]->value[0] = 0x42; | |
116 | report->field[0]->value[1] = 0x00; | |
117 | report->field[0]->value[2] = left; | |
118 | report->field[0]->value[3] = right; | |
58037eb9 | 119 | dbg_hid("(left, right)=(%04x, %04x)\n", left, right); |
4916b3a5 | 120 | usbhid_submit_report(hid, report, USB_DIR_OUT); |
dc76c912 AH |
121 | break; |
122 | } | |
123 | return 0; | |
124 | } | |
125 | ||
2bea94db SB |
126 | static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude) |
127 | { | |
128 | struct hid_device *hid = input_get_drvdata(dev); | |
129 | struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; | |
130 | struct hid_report *report = list_entry(report_list->next, struct hid_report, list); | |
131 | __s32 *value = report->field[0]->value; | |
132 | magnitude = (magnitude >> 12) & 0xf; | |
133 | *value++ = 0xfe; | |
134 | *value++ = 0x0d; | |
135 | *value++ = magnitude; /* clockwise strength */ | |
136 | *value++ = magnitude; /* counter-clockwise strength */ | |
137 | *value++ = 0x80; | |
138 | *value++ = 0x00; | |
139 | *value = 0x00; | |
140 | usbhid_submit_report(hid, report, USB_DIR_OUT); | |
141 | } | |
142 | ||
606bd0a8 | 143 | int lgff_init(struct hid_device* hid) |
1da177e4 | 144 | { |
dc76c912 AH |
145 | struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); |
146 | struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; | |
147 | struct input_dev *dev = hidinput->input; | |
148 | struct hid_report *report; | |
149 | struct hid_field *field; | |
00a8691c | 150 | const signed short *ff_bits = ff_joystick; |
dc76c912 | 151 | int error; |
00a8691c | 152 | int i; |
1da177e4 LT |
153 | |
154 | /* Find the report to use */ | |
dc76c912 | 155 | if (list_empty(report_list)) { |
4291ee30 | 156 | hid_err(hid, "No output report found\n"); |
1da177e4 LT |
157 | return -1; |
158 | } | |
dc76c912 | 159 | |
1da177e4 | 160 | /* Check that the report looks ok */ |
dc76c912 | 161 | report = list_entry(report_list->next, struct hid_report, list); |
1da177e4 LT |
162 | field = report->field[0]; |
163 | if (!field) { | |
4291ee30 | 164 | hid_err(hid, "NULL field\n"); |
1da177e4 LT |
165 | return -1; |
166 | } | |
167 | ||
dc76c912 AH |
168 | for (i = 0; i < ARRAY_SIZE(devices); i++) { |
169 | if (dev->id.vendor == devices[i].idVendor && | |
170 | dev->id.product == devices[i].idProduct) { | |
00a8691c | 171 | ff_bits = devices[i].ff; |
dc76c912 | 172 | break; |
1da177e4 | 173 | } |
1da177e4 | 174 | } |
1da177e4 | 175 | |
00a8691c DT |
176 | for (i = 0; ff_bits[i] >= 0; i++) |
177 | set_bit(ff_bits[i], dev->ffbit); | |
178 | ||
dc76c912 AH |
179 | error = input_ff_create_memless(dev, NULL, hid_lgff_play); |
180 | if (error) | |
181 | return error; | |
1da177e4 | 182 | |
2bea94db SB |
183 | if ( test_bit(FF_AUTOCENTER, dev->ffbit) ) |
184 | dev->ff->set_autocenter = hid_lgff_set_autocenter; | |
185 | ||
4291ee30 | 186 | pr_info("Force feedback for Logitech force feedback devices by Johann Deneux <johann.deneux@it.uu.se>\n"); |
1da177e4 | 187 | |
1da177e4 LT |
188 | return 0; |
189 | } |