Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 | 2 | * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz> |
598972d4 | 3 | * Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com> |
1da177e4 LT |
4 | * |
5 | * USB/RS232 I-Force joysticks and wheels. | |
6 | */ | |
7 | ||
8 | /* | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
1da177e4 LT |
22 | */ |
23 | ||
4f99de6d | 24 | #include <linux/usb.h> |
1da177e4 LT |
25 | #include "iforce.h" |
26 | ||
81fd4313 DT |
27 | struct iforce_usb { |
28 | struct iforce iforce; | |
29 | ||
30 | struct usb_device *usbdev; | |
31 | struct usb_interface *intf; | |
48735862 | 32 | struct urb *irq, *out; |
81fd4313 DT |
33 | }; |
34 | ||
38d10769 | 35 | static void __iforce_usb_xmit(struct iforce *iforce) |
1da177e4 | 36 | { |
81fd4313 DT |
37 | struct iforce_usb *iforce_usb = container_of(iforce, struct iforce_usb, |
38 | iforce); | |
1da177e4 LT |
39 | int n, c; |
40 | unsigned long flags; | |
41 | ||
42 | spin_lock_irqsave(&iforce->xmit_lock, flags); | |
43 | ||
44 | if (iforce->xmit.head == iforce->xmit.tail) { | |
45 | clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); | |
46 | spin_unlock_irqrestore(&iforce->xmit_lock, flags); | |
47 | return; | |
48 | } | |
49 | ||
81fd4313 | 50 | ((char *)iforce_usb->out->transfer_buffer)[0] = iforce->xmit.buf[iforce->xmit.tail]; |
1da177e4 LT |
51 | XMIT_INC(iforce->xmit.tail, 1); |
52 | n = iforce->xmit.buf[iforce->xmit.tail]; | |
53 | XMIT_INC(iforce->xmit.tail, 1); | |
54 | ||
81fd4313 DT |
55 | iforce_usb->out->transfer_buffer_length = n + 1; |
56 | iforce_usb->out->dev = iforce_usb->usbdev; | |
1da177e4 LT |
57 | |
58 | /* Copy rest of data then */ | |
59 | c = CIRC_CNT_TO_END(iforce->xmit.head, iforce->xmit.tail, XMIT_SIZE); | |
60 | if (n < c) c=n; | |
61 | ||
81fd4313 | 62 | memcpy(iforce_usb->out->transfer_buffer + 1, |
1da177e4 LT |
63 | &iforce->xmit.buf[iforce->xmit.tail], |
64 | c); | |
65 | if (n != c) { | |
81fd4313 | 66 | memcpy(iforce_usb->out->transfer_buffer + 1 + c, |
1da177e4 LT |
67 | &iforce->xmit.buf[0], |
68 | n-c); | |
69 | } | |
70 | XMIT_INC(iforce->xmit.tail, n); | |
71 | ||
81fd4313 | 72 | if ( (n=usb_submit_urb(iforce_usb->out, GFP_ATOMIC)) ) { |
b8691fd2 | 73 | clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); |
81fd4313 DT |
74 | dev_warn(&iforce_usb->intf->dev, |
75 | "usb_submit_urb failed %d\n", n); | |
1da177e4 LT |
76 | } |
77 | ||
78 | /* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended. | |
79 | * As long as the urb completion handler is not called, the transmiting | |
80 | * is considered to be running */ | |
81 | spin_unlock_irqrestore(&iforce->xmit_lock, flags); | |
82 | } | |
83 | ||
38d10769 DT |
84 | static void iforce_usb_xmit(struct iforce *iforce) |
85 | { | |
86 | if (!test_and_set_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags)) | |
87 | __iforce_usb_xmit(iforce); | |
88 | } | |
89 | ||
2a1433ff DT |
90 | static int iforce_usb_get_id(struct iforce *iforce, u8 *packet) |
91 | { | |
81fd4313 DT |
92 | struct iforce_usb *iforce_usb = container_of(iforce, struct iforce_usb, |
93 | iforce); | |
48735862 | 94 | u8 *buf; |
2a1433ff DT |
95 | int status; |
96 | ||
48735862 DT |
97 | buf = kmalloc(IFORCE_MAX_LENGTH, GFP_KERNEL); |
98 | if (!buf) | |
99 | return -ENOMEM; | |
100 | ||
101 | status = usb_control_msg(iforce_usb->usbdev, | |
102 | usb_rcvctrlpipe(iforce_usb->usbdev, 0), | |
103 | packet[0], | |
104 | USB_TYPE_VENDOR | USB_DIR_IN | | |
105 | USB_RECIP_INTERFACE, | |
106 | 0, 0, buf, IFORCE_MAX_LENGTH, HZ); | |
107 | if (status < 0) { | |
81fd4313 | 108 | dev_err(&iforce_usb->intf->dev, |
48735862 DT |
109 | "usb_submit_urb failed: %d\n", status); |
110 | } else if (buf[0] != packet[0]) { | |
111 | status = -EIO; | |
112 | } else { | |
113 | iforce->ecmd = 0xff00 | status; | |
114 | memcpy(iforce->edata, buf, status); | |
115 | status = 0; | |
2a1433ff DT |
116 | } |
117 | ||
48735862 DT |
118 | kfree(buf); |
119 | return status; | |
2a1433ff DT |
120 | } |
121 | ||
05ca3828 DT |
122 | static int iforce_usb_start_io(struct iforce *iforce) |
123 | { | |
81fd4313 DT |
124 | struct iforce_usb *iforce_usb = container_of(iforce, struct iforce_usb, |
125 | iforce); | |
126 | ||
127 | if (usb_submit_urb(iforce_usb->irq, GFP_KERNEL)) | |
05ca3828 DT |
128 | return -EIO; |
129 | ||
130 | return 0; | |
131 | } | |
132 | ||
133 | static void iforce_usb_stop_io(struct iforce *iforce) | |
134 | { | |
81fd4313 DT |
135 | struct iforce_usb *iforce_usb = container_of(iforce, struct iforce_usb, |
136 | iforce); | |
137 | ||
138 | usb_kill_urb(iforce_usb->irq); | |
139 | usb_kill_urb(iforce_usb->out); | |
05ca3828 DT |
140 | } |
141 | ||
38d10769 DT |
142 | static const struct iforce_xport_ops iforce_usb_xport_ops = { |
143 | .xmit = iforce_usb_xmit, | |
2a1433ff | 144 | .get_id = iforce_usb_get_id, |
05ca3828 DT |
145 | .start_io = iforce_usb_start_io, |
146 | .stop_io = iforce_usb_stop_io, | |
38d10769 DT |
147 | }; |
148 | ||
7d12e780 | 149 | static void iforce_usb_irq(struct urb *urb) |
1da177e4 | 150 | { |
81fd4313 DT |
151 | struct iforce_usb *iforce_usb = urb->context; |
152 | struct iforce *iforce = &iforce_usb->iforce; | |
153 | struct device *dev = &iforce_usb->intf->dev; | |
1da177e4 LT |
154 | int status; |
155 | ||
156 | switch (urb->status) { | |
157 | case 0: | |
158 | /* success */ | |
159 | break; | |
160 | case -ECONNRESET: | |
161 | case -ENOENT: | |
162 | case -ESHUTDOWN: | |
163 | /* this urb is terminated, clean up */ | |
f576125d GKH |
164 | dev_dbg(dev, "%s - urb shutting down with status: %d\n", |
165 | __func__, urb->status); | |
1da177e4 LT |
166 | return; |
167 | default: | |
f576125d GKH |
168 | dev_dbg(dev, "%s - urb has status of: %d\n", |
169 | __func__, urb->status); | |
1da177e4 LT |
170 | goto exit; |
171 | } | |
172 | ||
173 | iforce_process_packet(iforce, | |
7d12e780 | 174 | (iforce->data[0] << 8) | (urb->actual_length - 1), iforce->data + 1); |
1da177e4 LT |
175 | |
176 | exit: | |
81fd4313 | 177 | status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 | 178 | if (status) |
f576125d | 179 | dev_err(dev, "%s - usb_submit_urb failed with result %d\n", |
7b22a885 | 180 | __func__, status); |
1da177e4 LT |
181 | } |
182 | ||
7d12e780 | 183 | static void iforce_usb_out(struct urb *urb) |
1da177e4 | 184 | { |
81fd4313 DT |
185 | struct iforce_usb *iforce_usb = urb->context; |
186 | struct iforce *iforce = &iforce_usb->iforce; | |
1da177e4 LT |
187 | |
188 | if (urb->status) { | |
c2b27ef6 | 189 | clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); |
81fd4313 | 190 | dev_dbg(&iforce_usb->intf->dev, "urb->status %d, exiting\n", |
f576125d | 191 | urb->status); |
1da177e4 LT |
192 | return; |
193 | } | |
194 | ||
38d10769 | 195 | __iforce_usb_xmit(iforce); |
1da177e4 LT |
196 | |
197 | wake_up(&iforce->wait); | |
198 | } | |
199 | ||
1da177e4 LT |
200 | static int iforce_usb_probe(struct usb_interface *intf, |
201 | const struct usb_device_id *id) | |
202 | { | |
203 | struct usb_device *dev = interface_to_usbdev(intf); | |
204 | struct usb_host_interface *interface; | |
205 | struct usb_endpoint_descriptor *epirq, *epout; | |
81fd4313 | 206 | struct iforce_usb *iforce_usb; |
1da177e4 | 207 | struct iforce *iforce; |
17dd3f0f | 208 | int err = -ENOMEM; |
1da177e4 LT |
209 | |
210 | interface = intf->cur_altsetting; | |
211 | ||
59cf8bed JH |
212 | if (interface->desc.bNumEndpoints < 2) |
213 | return -ENODEV; | |
214 | ||
1da177e4 LT |
215 | epirq = &interface->endpoint[0].desc; |
216 | epout = &interface->endpoint[1].desc; | |
217 | ||
81fd4313 | 218 | if (!(iforce_usb = kzalloc(sizeof(*iforce_usb) + 32, GFP_KERNEL))) |
1da177e4 LT |
219 | goto fail; |
220 | ||
81fd4313 | 221 | if (!(iforce_usb->irq = usb_alloc_urb(0, GFP_KERNEL))) |
1da177e4 | 222 | goto fail; |
1da177e4 | 223 | |
81fd4313 | 224 | if (!(iforce_usb->out = usb_alloc_urb(0, GFP_KERNEL))) |
1da177e4 | 225 | goto fail; |
1da177e4 | 226 | |
81fd4313 DT |
227 | iforce = &iforce_usb->iforce; |
228 | ||
38d10769 | 229 | iforce->xport_ops = &iforce_usb_xport_ops; |
1da177e4 | 230 | iforce->bus = IFORCE_USB; |
1da177e4 | 231 | |
81fd4313 DT |
232 | iforce_usb->usbdev = dev; |
233 | iforce_usb->intf = intf; | |
234 | ||
81fd4313 DT |
235 | usb_fill_int_urb(iforce_usb->irq, dev, usb_rcvintpipe(dev, epirq->bEndpointAddress), |
236 | iforce->data, 16, iforce_usb_irq, iforce_usb, epirq->bInterval); | |
1da177e4 | 237 | |
81fd4313 DT |
238 | usb_fill_int_urb(iforce_usb->out, dev, usb_sndintpipe(dev, epout->bEndpointAddress), |
239 | iforce_usb + 1, 32, iforce_usb_out, iforce_usb, epout->bInterval); | |
1da177e4 | 240 | |
501025df | 241 | err = iforce_init_device(&intf->dev, BUS_USB, iforce); |
17dd3f0f DT |
242 | if (err) |
243 | goto fail; | |
1da177e4 | 244 | |
81fd4313 | 245 | usb_set_intfdata(intf, iforce_usb); |
1da177e4 LT |
246 | return 0; |
247 | ||
248 | fail: | |
81fd4313 DT |
249 | if (iforce_usb) { |
250 | usb_free_urb(iforce_usb->irq); | |
251 | usb_free_urb(iforce_usb->out); | |
81fd4313 | 252 | kfree(iforce_usb); |
1da177e4 LT |
253 | } |
254 | ||
17dd3f0f | 255 | return err; |
1da177e4 LT |
256 | } |
257 | ||
1da177e4 LT |
258 | static void iforce_usb_disconnect(struct usb_interface *intf) |
259 | { | |
81fd4313 | 260 | struct iforce_usb *iforce_usb = usb_get_intfdata(intf); |
1da177e4 LT |
261 | |
262 | usb_set_intfdata(intf, NULL); | |
1da177e4 | 263 | |
81fd4313 | 264 | input_unregister_device(iforce_usb->iforce.dev); |
98b7fb04 | 265 | |
81fd4313 DT |
266 | usb_free_urb(iforce_usb->irq); |
267 | usb_free_urb(iforce_usb->out); | |
98b7fb04 | 268 | |
81fd4313 | 269 | kfree(iforce_usb); |
1da177e4 LT |
270 | } |
271 | ||
c1295851 | 272 | static const struct usb_device_id iforce_usb_ids[] = { |
1da177e4 LT |
273 | { USB_DEVICE(0x044f, 0xa01c) }, /* Thrustmaster Motor Sport GT */ |
274 | { USB_DEVICE(0x046d, 0xc281) }, /* Logitech WingMan Force */ | |
275 | { USB_DEVICE(0x046d, 0xc291) }, /* Logitech WingMan Formula Force */ | |
276 | { USB_DEVICE(0x05ef, 0x020a) }, /* AVB Top Shot Pegasus */ | |
277 | { USB_DEVICE(0x05ef, 0x8884) }, /* AVB Mag Turbo Force */ | |
278 | { USB_DEVICE(0x05ef, 0x8888) }, /* AVB Top Shot FFB Racing Wheel */ | |
279 | { USB_DEVICE(0x061c, 0xc0a4) }, /* ACT LABS Force RS */ | |
68947b8f | 280 | { USB_DEVICE(0x061c, 0xc084) }, /* ACT LABS Force RS */ |
1da177e4 | 281 | { USB_DEVICE(0x06f8, 0x0001) }, /* Guillemot Race Leader Force Feedback */ |
d861f7bf | 282 | { USB_DEVICE(0x06f8, 0x0003) }, /* Guillemot Jet Leader Force Feedback */ |
1da177e4 | 283 | { USB_DEVICE(0x06f8, 0x0004) }, /* Guillemot Force Feedback Racing Wheel */ |
18098a6c | 284 | { USB_DEVICE(0x06f8, 0xa302) }, /* Guillemot Jet Leader 3D */ |
1da177e4 LT |
285 | { } /* Terminating entry */ |
286 | }; | |
287 | ||
288 | MODULE_DEVICE_TABLE (usb, iforce_usb_ids); | |
289 | ||
290 | struct usb_driver iforce_usb_driver = { | |
1da177e4 LT |
291 | .name = "iforce", |
292 | .probe = iforce_usb_probe, | |
293 | .disconnect = iforce_usb_disconnect, | |
294 | .id_table = iforce_usb_ids, | |
295 | }; | |
4f99de6d DT |
296 | |
297 | module_usb_driver(iforce_usb_driver); | |
298 | ||
299 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>"); | |
300 | MODULE_DESCRIPTION("USB I-Force joysticks and wheels driver"); | |
301 | MODULE_LICENSE("GPL"); |