/drivers/staging/wlan-ng/prism2usb.c
C | 373 lines | 252 code | 54 blank | 67 comment | 19 complexity | a2e87533f139470af1b51ea98c3d1d00 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
1#include "hfa384x_usb.c"
2#include "prism2mgmt.c"
3#include "prism2mib.c"
4#include "prism2sta.c"
5#include "prism2fw.c"
6
7#define PRISM_USB_DEVICE(vid, pid, name) \
8 USB_DEVICE(vid, pid), \
9 .driver_info = (unsigned long) name
10
11static struct usb_device_id usb_prism_tbl[] = {
12 {PRISM_USB_DEVICE(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS")},
13 {PRISM_USB_DEVICE(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11")},
14 {PRISM_USB_DEVICE(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter")},
15 {PRISM_USB_DEVICE
16 (0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
17 {PRISM_USB_DEVICE
18 (0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
19 {PRISM_USB_DEVICE
20 (0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter")},
21 {PRISM_USB_DEVICE
22 (0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter")},
23 {PRISM_USB_DEVICE
24 (0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter")},
25 {PRISM_USB_DEVICE
26 (0x067c, 0x1022, "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter")},
27 {PRISM_USB_DEVICE
28 (0x049f, 0x0033,
29 "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")},
30 {PRISM_USB_DEVICE
31 (0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter")},
32 {PRISM_USB_DEVICE
33 (0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
34 {PRISM_USB_DEVICE
35 (0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter")},
36 {PRISM_USB_DEVICE
37 (0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
38 {PRISM_USB_DEVICE
39 (0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter")},
40 {PRISM_USB_DEVICE(0x0967, 0x0204, "Acer Warplink USB Adapter")},
41 {PRISM_USB_DEVICE
42 (0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated")},
43 {PRISM_USB_DEVICE
44 (0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter")},
45 {PRISM_USB_DEVICE
46 (0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter")},
47 {PRISM_USB_DEVICE
48 (0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter")},
49 {PRISM_USB_DEVICE
50 (0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter")},
51 {PRISM_USB_DEVICE
52 (0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter")},
53 {PRISM_USB_DEVICE
54 (0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter")},
55 {PRISM_USB_DEVICE
56 (0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter")},
57 {PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")},
58 {PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")},
59 {PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")},
60 {PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")},
61 {PRISM_USB_DEVICE
62 (0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter")},
63 {PRISM_USB_DEVICE(0x50c2, 0x4013, "Averatec USB WLAN Adapter")},
64 {PRISM_USB_DEVICE(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter")},
65 {PRISM_USB_DEVICE(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter")},
66 {PRISM_USB_DEVICE(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter")},
67 {PRISM_USB_DEVICE(0x2821, 0x3300, "Hawking HighDB USB Adapter")},
68 {PRISM_USB_DEVICE
69 (0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter")},
70 {PRISM_USB_DEVICE(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter")},
71 {PRISM_USB_DEVICE
72 (0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter")},
73 {PRISM_USB_DEVICE(0x0bb2, 0x0302, "Ambit Microsystems Corp.")},
74 {PRISM_USB_DEVICE
75 (0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter")},
76 {PRISM_USB_DEVICE
77 (0x0543, 0x0f01, "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)")},
78 { /* terminator */ }
79};
80
81MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
82
83/*----------------------------------------------------------------
84* prism2sta_probe_usb
85*
86* Probe routine called by the USB subsystem.
87*
88* Arguments:
89* dev ptr to the usb_device struct
90* ifnum interface number being offered
91*
92* Returns:
93* NULL - we're not claiming the device+interface
94* non-NULL - we are claiming the device+interface and
95* this is a ptr to the data we want back
96* when disconnect is called.
97*
98* Side effects:
99*
100* Call context:
101* I'm not sure, assume it's interrupt.
102*
103----------------------------------------------------------------*/
104static int prism2sta_probe_usb(struct usb_interface *interface,
105 const struct usb_device_id *id)
106{
107 struct usb_device *dev;
108
109 wlandevice_t *wlandev = NULL;
110 hfa384x_t *hw = NULL;
111 int result = 0;
112
113 dev = interface_to_usbdev(interface);
114 wlandev = create_wlan();
115 if (wlandev == NULL) {
116 printk(KERN_ERR "%s: Memory allocation failure.\n", dev_info);
117 result = -EIO;
118 goto failed;
119 }
120 hw = wlandev->priv;
121
122 if (wlan_setup(wlandev, &(interface->dev)) != 0) {
123 printk(KERN_ERR "%s: wlan_setup() failed.\n", dev_info);
124 result = -EIO;
125 goto failed;
126 }
127
128 /* Initialize the hw data */
129 hfa384x_create(hw, dev);
130 hw->wlandev = wlandev;
131
132 /* Register the wlandev, this gets us a name and registers the
133 * linux netdevice.
134 */
135 SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
136
137 /* Do a chip-level reset on the MAC */
138 if (prism2_doreset) {
139 result = hfa384x_corereset(hw,
140 prism2_reset_holdtime,
141 prism2_reset_settletime, 0);
142 if (result != 0) {
143 unregister_wlandev(wlandev);
144 hfa384x_destroy(hw);
145 result = -EIO;
146 printk(KERN_ERR
147 "%s: hfa384x_corereset() failed.\n", dev_info);
148 goto failed;
149 }
150 }
151
152 usb_get_dev(dev);
153
154 wlandev->msdstate = WLAN_MSD_HWPRESENT;
155
156 /* Try and load firmware, then enable card before we register */
157 prism2_fwtry(dev, wlandev);
158 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
159
160 if (register_wlandev(wlandev) != 0) {
161 printk(KERN_ERR "%s: register_wlandev() failed.\n", dev_info);
162 result = -EIO;
163 goto failed;
164 }
165
166 goto done;
167
168failed:
169 kfree(wlandev);
170 kfree(hw);
171 wlandev = NULL;
172
173done:
174 usb_set_intfdata(interface, wlandev);
175 return result;
176}
177
178/*----------------------------------------------------------------
179* prism2sta_disconnect_usb
180*
181* Called when a device previously claimed by probe is removed
182* from the USB.
183*
184* Arguments:
185* dev ptr to the usb_device struct
186* ptr ptr returned by probe() when the device
187* was claimed.
188*
189* Returns:
190* Nothing
191*
192* Side effects:
193*
194* Call context:
195* process
196----------------------------------------------------------------*/
197static void prism2sta_disconnect_usb(struct usb_interface *interface)
198{
199 wlandevice_t *wlandev;
200
201 wlandev = (wlandevice_t *) usb_get_intfdata(interface);
202
203 if (wlandev != NULL) {
204 LIST_HEAD(cleanlist);
205 struct list_head *entry;
206 struct list_head *temp;
207 unsigned long flags;
208
209 hfa384x_t *hw = wlandev->priv;
210
211 if (!hw)
212 goto exit;
213
214 spin_lock_irqsave(&hw->ctlxq.lock, flags);
215
216 p80211netdev_hwremoved(wlandev);
217 list_splice_init(&hw->ctlxq.reapable, &cleanlist);
218 list_splice_init(&hw->ctlxq.completing, &cleanlist);
219 list_splice_init(&hw->ctlxq.pending, &cleanlist);
220 list_splice_init(&hw->ctlxq.active, &cleanlist);
221
222 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
223
224 /* There's no hardware to shutdown, but the driver
225 * might have some tasks or tasklets that must be
226 * stopped before we can tear everything down.
227 */
228 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
229
230 del_singleshot_timer_sync(&hw->throttle);
231 del_singleshot_timer_sync(&hw->reqtimer);
232 del_singleshot_timer_sync(&hw->resptimer);
233
234 /* Unlink all the URBs. This "removes the wheels"
235 * from the entire CTLX handling mechanism.
236 */
237 usb_kill_urb(&hw->rx_urb);
238 usb_kill_urb(&hw->tx_urb);
239 usb_kill_urb(&hw->ctlx_urb);
240
241 tasklet_kill(&hw->completion_bh);
242 tasklet_kill(&hw->reaper_bh);
243
244 flush_scheduled_work();
245
246 /* Now we complete any outstanding commands
247 * and tell everyone who is waiting for their
248 * responses that we have shut down.
249 */
250 list_for_each(entry, &cleanlist) {
251 hfa384x_usbctlx_t *ctlx;
252
253 ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
254 complete(&ctlx->done);
255 }
256
257 /* Give any outstanding synchronous commands
258 * a chance to complete. All they need to do
259 * is "wake up", so that's easy.
260 * (I'd like a better way to do this, really.)
261 */
262 msleep(100);
263
264 /* Now delete the CTLXs, because no-one else can now. */
265 list_for_each_safe(entry, temp, &cleanlist) {
266 hfa384x_usbctlx_t *ctlx;
267
268 ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
269 kfree(ctlx);
270 }
271
272 /* Unhook the wlandev */
273 unregister_wlandev(wlandev);
274 wlan_unsetup(wlandev);
275
276 usb_put_dev(hw->usb);
277
278 hfa384x_destroy(hw);
279 kfree(hw);
280
281 kfree(wlandev);
282 }
283
284exit:
285 usb_set_intfdata(interface, NULL);
286}
287
288#ifdef CONFIG_PM
289static int prism2sta_suspend(struct usb_interface *interface,
290 pm_message_t message)
291{
292 hfa384x_t *hw = NULL;
293 wlandevice_t *wlandev;
294 wlandev = (wlandevice_t *) usb_get_intfdata(interface);
295 if (!wlandev)
296 return -ENODEV;
297
298 hw = wlandev->priv;
299 if (!hw)
300 return -ENODEV;
301
302 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
303
304 usb_kill_urb(&hw->rx_urb);
305 usb_kill_urb(&hw->tx_urb);
306 usb_kill_urb(&hw->ctlx_urb);
307
308 return 0;
309}
310
311static int prism2sta_resume(struct usb_interface *interface)
312{
313 int result = 0;
314 hfa384x_t *hw = NULL;
315 wlandevice_t *wlandev;
316 wlandev = (wlandevice_t *) usb_get_intfdata(interface);
317 if (!wlandev)
318 return -ENODEV;
319
320 hw = wlandev->priv;
321 if (!hw)
322 return -ENODEV;
323
324 /* Do a chip-level reset on the MAC */
325 if (prism2_doreset) {
326 result = hfa384x_corereset(hw,
327 prism2_reset_holdtime,
328 prism2_reset_settletime, 0);
329 if (result != 0) {
330 unregister_wlandev(wlandev);
331 hfa384x_destroy(hw);
332 printk(KERN_ERR
333 "%s: hfa384x_corereset() failed.\n", dev_info);
334 kfree(wlandev);
335 kfree(hw);
336 wlandev = NULL;
337 return -ENODEV;
338 }
339 }
340
341 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
342
343 return 0;
344}
345#else
346#define prism2sta_suspend NULL
347#define prism2sta_resume NULL
348#endif /* CONFIG_PM */
349
350static struct usb_driver prism2_usb_driver = {
351 .name = "prism2_usb",
352 .probe = prism2sta_probe_usb,
353 .disconnect = prism2sta_disconnect_usb,
354 .id_table = usb_prism_tbl,
355 .suspend = prism2sta_suspend,
356 .resume = prism2sta_resume,
357 .reset_resume = prism2sta_resume,
358 /* fops, minor? */
359};
360
361static int __init prism2usb_init(void)
362{
363 /* This call will result in calls to prism2sta_probe_usb. */
364 return usb_register(&prism2_usb_driver);
365};
366
367static void __exit prism2usb_cleanup(void)
368{
369 usb_deregister(&prism2_usb_driver);
370};
371
372module_init(prism2usb_init);
373module_exit(prism2usb_cleanup);