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 | ||
30 | #include <linux/input.h> | |
1da177e4 | 31 | #include <linux/usb.h> |
dde5845a | 32 | #include <linux/hid.h> |
606bd0a8 JS |
33 | |
34 | #include "usbhid/usbhid.h" | |
35 | #include "hid-lg.h" | |
1da177e4 | 36 | |
f9f852df | 37 | struct dev_type { |
1da177e4 LT |
38 | u16 idVendor; |
39 | u16 idProduct; | |
dc76c912 | 40 | const signed short *ff; |
1da177e4 LT |
41 | }; |
42 | ||
dc76c912 | 43 | static const signed short ff_rumble[] = { |
1da177e4 LT |
44 | FF_RUMBLE, |
45 | -1 | |
46 | }; | |
47 | ||
dc76c912 | 48 | static const signed short ff_joystick[] = { |
1da177e4 LT |
49 | FF_CONSTANT, |
50 | -1 | |
51 | }; | |
52 | ||
f9f852df | 53 | static const struct dev_type devices[] = { |
dc76c912 AH |
54 | { 0x046d, 0xc211, ff_rumble }, |
55 | { 0x046d, 0xc219, ff_rumble }, | |
56 | { 0x046d, 0xc283, ff_joystick }, | |
320c0150 | 57 | { 0x046d, 0xc286, ff_joystick }, |
130b1ab3 VZ |
58 | { 0x046d, 0xc294, ff_joystick }, |
59 | { 0x046d, 0xc295, ff_joystick }, | |
285b0b62 | 60 | { 0x046d, 0xca03, ff_joystick }, |
1da177e4 LT |
61 | }; |
62 | ||
dc76c912 AH |
63 | static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *effect) |
64 | { | |
e0712985 | 65 | struct hid_device *hid = input_get_drvdata(dev); |
dc76c912 AH |
66 | struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; |
67 | struct hid_report *report = list_entry(report_list->next, struct hid_report, list); | |
68 | int x, y; | |
69 | unsigned int left, right; | |
70 | ||
71 | #define CLAMP(x) if (x < 0) x = 0; if (x > 0xff) x = 0xff | |
72 | ||
73 | switch (effect->type) { | |
74 | case FF_CONSTANT: | |
75 | x = effect->u.ramp.start_level + 0x7f; /* 0x7f is center */ | |
76 | y = effect->u.ramp.end_level + 0x7f; | |
77 | CLAMP(x); | |
78 | CLAMP(y); | |
79 | report->field[0]->value[0] = 0x51; | |
80 | report->field[0]->value[1] = 0x08; | |
81 | report->field[0]->value[2] = x; | |
82 | report->field[0]->value[3] = y; | |
58037eb9 | 83 | dbg_hid("(x, y)=(%04x, %04x)\n", x, y); |
4916b3a5 | 84 | usbhid_submit_report(hid, report, USB_DIR_OUT); |
dc76c912 AH |
85 | break; |
86 | ||
87 | case FF_RUMBLE: | |
88 | right = effect->u.rumble.strong_magnitude; | |
89 | left = effect->u.rumble.weak_magnitude; | |
90 | right = right * 0xff / 0xffff; | |
91 | left = left * 0xff / 0xffff; | |
92 | CLAMP(left); | |
93 | CLAMP(right); | |
94 | report->field[0]->value[0] = 0x42; | |
95 | report->field[0]->value[1] = 0x00; | |
96 | report->field[0]->value[2] = left; | |
97 | report->field[0]->value[3] = right; | |
58037eb9 | 98 | dbg_hid("(left, right)=(%04x, %04x)\n", left, right); |
4916b3a5 | 99 | usbhid_submit_report(hid, report, USB_DIR_OUT); |
dc76c912 AH |
100 | break; |
101 | } | |
102 | return 0; | |
103 | } | |
104 | ||
606bd0a8 | 105 | int lgff_init(struct hid_device* hid) |
1da177e4 | 106 | { |
dc76c912 AH |
107 | struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); |
108 | struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; | |
109 | struct input_dev *dev = hidinput->input; | |
110 | struct hid_report *report; | |
111 | struct hid_field *field; | |
00a8691c | 112 | const signed short *ff_bits = ff_joystick; |
dc76c912 | 113 | int error; |
00a8691c | 114 | int i; |
1da177e4 LT |
115 | |
116 | /* Find the report to use */ | |
dc76c912 | 117 | if (list_empty(report_list)) { |
58037eb9 | 118 | err_hid("No output report found"); |
1da177e4 LT |
119 | return -1; |
120 | } | |
dc76c912 | 121 | |
1da177e4 | 122 | /* Check that the report looks ok */ |
dc76c912 | 123 | report = list_entry(report_list->next, struct hid_report, list); |
1da177e4 | 124 | if (!report) { |
58037eb9 | 125 | err_hid("NULL output report"); |
1da177e4 LT |
126 | return -1; |
127 | } | |
dc76c912 | 128 | |
1da177e4 LT |
129 | field = report->field[0]; |
130 | if (!field) { | |
58037eb9 | 131 | err_hid("NULL field"); |
1da177e4 LT |
132 | return -1; |
133 | } | |
134 | ||
dc76c912 AH |
135 | for (i = 0; i < ARRAY_SIZE(devices); i++) { |
136 | if (dev->id.vendor == devices[i].idVendor && | |
137 | dev->id.product == devices[i].idProduct) { | |
00a8691c | 138 | ff_bits = devices[i].ff; |
dc76c912 | 139 | break; |
1da177e4 | 140 | } |
1da177e4 | 141 | } |
1da177e4 | 142 | |
00a8691c DT |
143 | for (i = 0; ff_bits[i] >= 0; i++) |
144 | set_bit(ff_bits[i], dev->ffbit); | |
145 | ||
dc76c912 AH |
146 | error = input_ff_create_memless(dev, NULL, hid_lgff_play); |
147 | if (error) | |
148 | return error; | |
1da177e4 | 149 | |
dc76c912 | 150 | printk(KERN_INFO "Force feedback for Logitech force feedback devices by Johann Deneux <johann.deneux@it.uu.se>\n"); |
1da177e4 | 151 | |
1da177e4 LT |
152 | return 0; |
153 | } |