Merge branch 'topic/jack' into topic/docbook-fix
[linux-2.6] / drivers / staging / wlan-ng / prism2usb.c
1 #include "hfa384x_usb.c"
2 #include "prism2mgmt.c"
3 #include "prism2mib.c"
4 #include "prism2sta.c"
5
6 #define PRISM_USB_DEVICE(vid, pid, name) \
7            USB_DEVICE(vid, pid),  \
8            .driver_info = (unsigned long) name
9
10 static struct usb_device_id usb_prism_tbl[] = {
11         {PRISM_USB_DEVICE(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS")},
12         {PRISM_USB_DEVICE(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11")},
13         {PRISM_USB_DEVICE(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter")},
14         {PRISM_USB_DEVICE(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
15         {PRISM_USB_DEVICE(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
16         {PRISM_USB_DEVICE(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter")},
17         {PRISM_USB_DEVICE(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter")},
18         {PRISM_USB_DEVICE(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter")},
19         {PRISM_USB_DEVICE(0x067c, 0x1022, "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter")},
20         {PRISM_USB_DEVICE(0x049f, 0x0033, "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")},
21         {PRISM_USB_DEVICE(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter")},
22         {PRISM_USB_DEVICE(0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
23         {PRISM_USB_DEVICE(0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter")},
24         {PRISM_USB_DEVICE(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
25         {PRISM_USB_DEVICE(0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter")},
26         {PRISM_USB_DEVICE(0x0967, 0x0204, "Acer Warplink USB Adapter")},
27         {PRISM_USB_DEVICE(0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated")},
28         {PRISM_USB_DEVICE(0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter")},
29         {PRISM_USB_DEVICE(0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter")},
30         {PRISM_USB_DEVICE(0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter")},
31         {PRISM_USB_DEVICE(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter")},
32         {PRISM_USB_DEVICE(0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter")},
33         {PRISM_USB_DEVICE(0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter")},
34         {PRISM_USB_DEVICE(0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter")},
35         {PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")},
36         {PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")},
37 //      {PRISM_USB_DEVICE(0x0ace, 0x1201, "ZyDAS ZD1201 Wireless USB Adapter")},
38         {PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")},
39         {PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")},
40         {PRISM_USB_DEVICE(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter")},
41         {PRISM_USB_DEVICE(0x50c2, 0x4013, "Averatec USB WLAN Adapter")},
42         {PRISM_USB_DEVICE(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter")},
43         {PRISM_USB_DEVICE(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter")},
44         {PRISM_USB_DEVICE(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter")},
45         {PRISM_USB_DEVICE(0x2821, 0x3300, "Hawking HighDB USB Adapter")},
46         {PRISM_USB_DEVICE(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter")},
47         {PRISM_USB_DEVICE(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter")},
48         {PRISM_USB_DEVICE(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter")},
49         {PRISM_USB_DEVICE(0x0bb2, 0x0302, "Ambit Microsystems Corp.")},
50         {PRISM_USB_DEVICE(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter")},
51         {PRISM_USB_DEVICE(0x0543, 0x0f01, "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)")},
52         { /* terminator */ }
53 };
54
55 MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
56
57 /*----------------------------------------------------------------
58 * prism2sta_probe_usb
59 *
60 * Probe routine called by the USB subsystem.
61 *
62 * Arguments:
63 *       dev             ptr to the usb_device struct
64 *       ifnum           interface number being offered
65 *
66 * Returns:
67 *       NULL            - we're not claiming the device+interface
68 *       non-NULL        - we are claiming the device+interface and
69 *                         this is a ptr to the data we want back
70 *                         when disconnect is called.
71 *
72 * Side effects:
73 *
74 * Call context:
75 *       I'm not sure, assume it's interrupt.
76 *
77 ----------------------------------------------------------------*/
78 static int prism2sta_probe_usb(
79         struct usb_interface *interface,
80         const struct usb_device_id *id)
81 {
82         struct usb_device *dev;
83
84         wlandevice_t    *wlandev = NULL;
85         hfa384x_t       *hw = NULL;
86         int              result = 0;
87
88         DBFENTER;
89
90         dev = interface_to_usbdev(interface);
91
92         if ((wlandev = create_wlan()) == NULL) {
93                 WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
94                 result = -EIO;
95                 goto failed;
96         }
97         hw = wlandev->priv;
98
99         if ( wlan_setup(wlandev) != 0 ) {
100                 WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
101                 result = -EIO;
102                 goto failed;
103         }
104
105         /* Initialize the hw data */
106         hfa384x_create(hw, dev);
107         hw->wlandev = wlandev;
108
109         /* Register the wlandev, this gets us a name and registers the
110          * linux netdevice.
111          */
112         SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
113
114         /* Do a chip-level reset on the MAC */
115         if (prism2_doreset) {
116                 result = hfa384x_corereset(hw,
117                                 prism2_reset_holdtime,
118                                 prism2_reset_settletime, 0);
119                 if (result != 0) {
120                         unregister_wlandev(wlandev);
121                         hfa384x_destroy(hw);
122                         result = -EIO;
123                         WLAN_LOG_ERROR(
124                                 "%s: hfa384x_corereset() failed.\n",
125                                 dev_info);
126                         goto failed;
127                 }
128         }
129
130         usb_get_dev(dev);
131
132         wlandev->msdstate = WLAN_MSD_HWPRESENT;
133
134         if ( register_wlandev(wlandev) != 0 ) {
135                 WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info);
136                 result = -EIO;
137                 goto failed;
138         }
139
140 /* enable the card */
141         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
142
143         goto done;
144
145  failed:
146         if (wlandev)    kfree(wlandev);
147         if (hw)         kfree(hw);
148         wlandev = NULL;
149
150  done:
151         DBFEXIT;
152
153         usb_set_intfdata(interface, wlandev);
154         return result;
155 }
156
157
158 /*----------------------------------------------------------------
159 * prism2sta_disconnect_usb
160 *
161 * Called when a device previously claimed by probe is removed
162 * from the USB.
163 *
164 * Arguments:
165 *       dev             ptr to the usb_device struct
166 *       ptr             ptr returned by probe() when the device
167 *                       was claimed.
168 *
169 * Returns:
170 *       Nothing
171 *
172 * Side effects:
173 *
174 * Call context:
175 *       process
176 ----------------------------------------------------------------*/
177 static void
178 prism2sta_disconnect_usb(struct usb_interface *interface)
179 {
180         wlandevice_t            *wlandev;
181
182         DBFENTER;
183
184         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
185
186         if ( wlandev != NULL ) {
187                 LIST_HEAD(cleanlist);
188                 struct list_head        *entry;
189                 struct list_head        *temp;
190                 unsigned long           flags;
191
192                 hfa384x_t               *hw = wlandev->priv;
193
194                 if (!hw)
195                         goto exit;
196
197                 spin_lock_irqsave(&hw->ctlxq.lock, flags);
198
199                 p80211netdev_hwremoved(wlandev);
200                 list_splice_init(&hw->ctlxq.reapable, &cleanlist);
201                 list_splice_init(&hw->ctlxq.completing, &cleanlist);
202                 list_splice_init(&hw->ctlxq.pending, &cleanlist);
203                 list_splice_init(&hw->ctlxq.active, &cleanlist);
204
205                 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
206
207                 /* There's no hardware to shutdown, but the driver
208                  * might have some tasks or tasklets that must be
209                  * stopped before we can tear everything down.
210                  */
211                 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
212
213                 del_singleshot_timer_sync(&hw->throttle);
214                 del_singleshot_timer_sync(&hw->reqtimer);
215                 del_singleshot_timer_sync(&hw->resptimer);
216
217                 /* Unlink all the URBs. This "removes the wheels"
218                  * from the entire CTLX handling mechanism.
219                  */
220                 usb_kill_urb(&hw->rx_urb);
221                 usb_kill_urb(&hw->tx_urb);
222                 usb_kill_urb(&hw->ctlx_urb);
223
224                 tasklet_kill(&hw->completion_bh);
225                 tasklet_kill(&hw->reaper_bh);
226
227                 flush_scheduled_work();
228
229                 /* Now we complete any outstanding commands
230                  * and tell everyone who is waiting for their
231                  * responses that we have shut down.
232                  */
233                 list_for_each(entry, &cleanlist) {
234                         hfa384x_usbctlx_t       *ctlx;
235
236                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
237                         complete(&ctlx->done);
238                 }
239
240                 /* Give any outstanding synchronous commands
241                  * a chance to complete. All they need to do
242                  * is "wake up", so that's easy.
243                  * (I'd like a better way to do this, really.)
244                  */
245                 msleep(100);
246
247                 /* Now delete the CTLXs, because no-one else can now. */
248                 list_for_each_safe(entry, temp, &cleanlist) {
249                         hfa384x_usbctlx_t *ctlx;
250
251                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
252                         kfree(ctlx);
253                 }
254
255                 /* Unhook the wlandev */
256                 unregister_wlandev(wlandev);
257                 wlan_unsetup(wlandev);
258
259                 usb_put_dev(hw->usb);
260
261                 hfa384x_destroy(hw);
262                 kfree(hw);
263
264                 kfree(wlandev);
265         }
266
267  exit:
268
269         usb_set_intfdata(interface, NULL);
270         DBFEXIT;
271 }
272
273
274 static struct usb_driver prism2_usb_driver = {
275         .name = "prism2_usb",
276         .probe = prism2sta_probe_usb,
277         .disconnect = prism2sta_disconnect_usb,
278         .id_table = usb_prism_tbl,
279         /* fops, minor? */
280 };
281
282 static int __init prism2usb_init(void)
283 {
284         DBFENTER;
285
286         /* This call will result in calls to prism2sta_probe_usb. */
287         return usb_register(&prism2_usb_driver);
288
289         DBFEXIT;
290 };
291
292 static void __exit prism2usb_cleanup(void)
293 {
294         DBFENTER;
295
296         usb_deregister(&prism2_usb_driver);
297
298         DBFEXIT;
299 };
300
301 module_init(prism2usb_init);
302 module_exit(prism2usb_cleanup);