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 | |
22 | * | |
23 | * Should you need to contact me, the author, you can do so either by | |
24 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: | |
25 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic | |
26 | */ | |
27 | ||
28 | #include "iforce.h" | |
29 | ||
30 | void iforce_usb_xmit(struct iforce *iforce) | |
31 | { | |
32 | int n, c; | |
33 | unsigned long flags; | |
34 | ||
35 | spin_lock_irqsave(&iforce->xmit_lock, flags); | |
36 | ||
37 | if (iforce->xmit.head == iforce->xmit.tail) { | |
38 | clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); | |
39 | spin_unlock_irqrestore(&iforce->xmit_lock, flags); | |
40 | return; | |
41 | } | |
42 | ||
43 | ((char *)iforce->out->transfer_buffer)[0] = iforce->xmit.buf[iforce->xmit.tail]; | |
44 | XMIT_INC(iforce->xmit.tail, 1); | |
45 | n = iforce->xmit.buf[iforce->xmit.tail]; | |
46 | XMIT_INC(iforce->xmit.tail, 1); | |
47 | ||
48 | iforce->out->transfer_buffer_length = n + 1; | |
49 | iforce->out->dev = iforce->usbdev; | |
50 | ||
51 | /* Copy rest of data then */ | |
52 | c = CIRC_CNT_TO_END(iforce->xmit.head, iforce->xmit.tail, XMIT_SIZE); | |
53 | if (n < c) c=n; | |
54 | ||
55 | memcpy(iforce->out->transfer_buffer + 1, | |
56 | &iforce->xmit.buf[iforce->xmit.tail], | |
57 | c); | |
58 | if (n != c) { | |
59 | memcpy(iforce->out->transfer_buffer + 1 + c, | |
60 | &iforce->xmit.buf[0], | |
61 | n-c); | |
62 | } | |
63 | XMIT_INC(iforce->xmit.tail, n); | |
64 | ||
65 | if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) { | |
b8691fd2 | 66 | clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); |
a852d78e | 67 | dev_warn(&iforce->intf->dev, "usb_submit_urb failed %d\n", n); |
1da177e4 LT |
68 | } |
69 | ||
70 | /* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended. | |
71 | * As long as the urb completion handler is not called, the transmiting | |
72 | * is considered to be running */ | |
73 | spin_unlock_irqrestore(&iforce->xmit_lock, flags); | |
74 | } | |
75 | ||
7d12e780 | 76 | static void iforce_usb_irq(struct urb *urb) |
1da177e4 LT |
77 | { |
78 | struct iforce *iforce = urb->context; | |
a852d78e | 79 | struct device *dev = &iforce->intf->dev; |
1da177e4 LT |
80 | int status; |
81 | ||
82 | switch (urb->status) { | |
83 | case 0: | |
84 | /* success */ | |
85 | break; | |
86 | case -ECONNRESET: | |
87 | case -ENOENT: | |
88 | case -ESHUTDOWN: | |
89 | /* this urb is terminated, clean up */ | |
f576125d GKH |
90 | dev_dbg(dev, "%s - urb shutting down with status: %d\n", |
91 | __func__, urb->status); | |
1da177e4 LT |
92 | return; |
93 | default: | |
f576125d GKH |
94 | dev_dbg(dev, "%s - urb has status of: %d\n", |
95 | __func__, urb->status); | |
1da177e4 LT |
96 | goto exit; |
97 | } | |
98 | ||
99 | iforce_process_packet(iforce, | |
7d12e780 | 100 | (iforce->data[0] << 8) | (urb->actual_length - 1), iforce->data + 1); |
1da177e4 LT |
101 | |
102 | exit: | |
103 | status = usb_submit_urb (urb, GFP_ATOMIC); | |
104 | if (status) | |
f576125d | 105 | dev_err(dev, "%s - usb_submit_urb failed with result %d\n", |
7b22a885 | 106 | __func__, status); |
1da177e4 LT |
107 | } |
108 | ||
7d12e780 | 109 | static void iforce_usb_out(struct urb *urb) |
1da177e4 LT |
110 | { |
111 | struct iforce *iforce = urb->context; | |
112 | ||
113 | if (urb->status) { | |
c2b27ef6 | 114 | clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); |
a852d78e | 115 | dev_dbg(&iforce->intf->dev, "urb->status %d, exiting\n", |
f576125d | 116 | urb->status); |
1da177e4 LT |
117 | return; |
118 | } | |
119 | ||
120 | iforce_usb_xmit(iforce); | |
121 | ||
122 | wake_up(&iforce->wait); | |
123 | } | |
124 | ||
7d12e780 | 125 | static void iforce_usb_ctrl(struct urb *urb) |
1da177e4 LT |
126 | { |
127 | struct iforce *iforce = urb->context; | |
128 | if (urb->status) return; | |
129 | iforce->ecmd = 0xff00 | urb->actual_length; | |
130 | wake_up(&iforce->wait); | |
131 | } | |
132 | ||
133 | static int iforce_usb_probe(struct usb_interface *intf, | |
134 | const struct usb_device_id *id) | |
135 | { | |
136 | struct usb_device *dev = interface_to_usbdev(intf); | |
137 | struct usb_host_interface *interface; | |
138 | struct usb_endpoint_descriptor *epirq, *epout; | |
139 | struct iforce *iforce; | |
17dd3f0f | 140 | int err = -ENOMEM; |
1da177e4 LT |
141 | |
142 | interface = intf->cur_altsetting; | |
143 | ||
144 | epirq = &interface->endpoint[0].desc; | |
145 | epout = &interface->endpoint[1].desc; | |
146 | ||
17dd3f0f | 147 | if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL))) |
1da177e4 LT |
148 | goto fail; |
149 | ||
17dd3f0f | 150 | if (!(iforce->irq = usb_alloc_urb(0, GFP_KERNEL))) |
1da177e4 | 151 | goto fail; |
1da177e4 | 152 | |
17dd3f0f | 153 | if (!(iforce->out = usb_alloc_urb(0, GFP_KERNEL))) |
1da177e4 | 154 | goto fail; |
1da177e4 | 155 | |
17dd3f0f | 156 | if (!(iforce->ctrl = usb_alloc_urb(0, GFP_KERNEL))) |
1da177e4 | 157 | goto fail; |
1da177e4 LT |
158 | |
159 | iforce->bus = IFORCE_USB; | |
160 | iforce->usbdev = dev; | |
a852d78e | 161 | iforce->intf = intf; |
1da177e4 LT |
162 | |
163 | iforce->cr.bRequestType = USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_INTERFACE; | |
164 | iforce->cr.wIndex = 0; | |
6b8588f7 | 165 | iforce->cr.wLength = cpu_to_le16(16); |
1da177e4 LT |
166 | |
167 | usb_fill_int_urb(iforce->irq, dev, usb_rcvintpipe(dev, epirq->bEndpointAddress), | |
168 | iforce->data, 16, iforce_usb_irq, iforce, epirq->bInterval); | |
169 | ||
b8691fd2 JD |
170 | usb_fill_int_urb(iforce->out, dev, usb_sndintpipe(dev, epout->bEndpointAddress), |
171 | iforce + 1, 32, iforce_usb_out, iforce, epout->bInterval); | |
1da177e4 LT |
172 | |
173 | usb_fill_control_urb(iforce->ctrl, dev, usb_rcvctrlpipe(dev, 0), | |
174 | (void*) &iforce->cr, iforce->edata, 16, iforce_usb_ctrl, iforce); | |
175 | ||
17dd3f0f DT |
176 | err = iforce_init_device(iforce); |
177 | if (err) | |
178 | goto fail; | |
1da177e4 LT |
179 | |
180 | usb_set_intfdata(intf, iforce); | |
181 | return 0; | |
182 | ||
183 | fail: | |
184 | if (iforce) { | |
8f21d119 MK |
185 | usb_free_urb(iforce->irq); |
186 | usb_free_urb(iforce->out); | |
187 | usb_free_urb(iforce->ctrl); | |
1da177e4 LT |
188 | kfree(iforce); |
189 | } | |
190 | ||
17dd3f0f | 191 | return err; |
1da177e4 LT |
192 | } |
193 | ||
1da177e4 LT |
194 | static void iforce_usb_disconnect(struct usb_interface *intf) |
195 | { | |
196 | struct iforce *iforce = usb_get_intfdata(intf); | |
1da177e4 LT |
197 | |
198 | usb_set_intfdata(intf, NULL); | |
1da177e4 | 199 | |
98b7fb04 DT |
200 | input_unregister_device(iforce->dev); |
201 | ||
202 | usb_free_urb(iforce->irq); | |
203 | usb_free_urb(iforce->out); | |
204 | usb_free_urb(iforce->ctrl); | |
205 | ||
206 | kfree(iforce); | |
1da177e4 LT |
207 | } |
208 | ||
209 | static struct usb_device_id iforce_usb_ids [] = { | |
210 | { USB_DEVICE(0x044f, 0xa01c) }, /* Thrustmaster Motor Sport GT */ | |
211 | { USB_DEVICE(0x046d, 0xc281) }, /* Logitech WingMan Force */ | |
212 | { USB_DEVICE(0x046d, 0xc291) }, /* Logitech WingMan Formula Force */ | |
213 | { USB_DEVICE(0x05ef, 0x020a) }, /* AVB Top Shot Pegasus */ | |
214 | { USB_DEVICE(0x05ef, 0x8884) }, /* AVB Mag Turbo Force */ | |
215 | { USB_DEVICE(0x05ef, 0x8888) }, /* AVB Top Shot FFB Racing Wheel */ | |
216 | { USB_DEVICE(0x061c, 0xc0a4) }, /* ACT LABS Force RS */ | |
68947b8f | 217 | { USB_DEVICE(0x061c, 0xc084) }, /* ACT LABS Force RS */ |
1da177e4 | 218 | { USB_DEVICE(0x06f8, 0x0001) }, /* Guillemot Race Leader Force Feedback */ |
d861f7bf | 219 | { USB_DEVICE(0x06f8, 0x0003) }, /* Guillemot Jet Leader Force Feedback */ |
1da177e4 | 220 | { USB_DEVICE(0x06f8, 0x0004) }, /* Guillemot Force Feedback Racing Wheel */ |
18098a6c | 221 | { USB_DEVICE(0x06f8, 0xa302) }, /* Guillemot Jet Leader 3D */ |
1da177e4 LT |
222 | { } /* Terminating entry */ |
223 | }; | |
224 | ||
225 | MODULE_DEVICE_TABLE (usb, iforce_usb_ids); | |
226 | ||
227 | struct usb_driver iforce_usb_driver = { | |
1da177e4 LT |
228 | .name = "iforce", |
229 | .probe = iforce_usb_probe, | |
230 | .disconnect = iforce_usb_disconnect, | |
231 | .id_table = iforce_usb_ids, | |
232 | }; |