• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 
11 static 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 
81 MODULE_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 ----------------------------------------------------------------*/
prism2sta_probe_usb(struct usb_interface * interface,const struct usb_device_id * id)104 static 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 
168 failed:
169 	kfree(wlandev);
170 	kfree(hw);
171 	wlandev = NULL;
172 
173 done:
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 ----------------------------------------------------------------*/
prism2sta_disconnect_usb(struct usb_interface * interface)197 static 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 
284 exit:
285 	usb_set_intfdata(interface, NULL);
286 }
287 
288 #ifdef CONFIG_PM
prism2sta_suspend(struct usb_interface * interface,pm_message_t message)289 static 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 
prism2sta_resume(struct usb_interface * interface)311 static 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 
350 static 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 
361 module_usb_driver(prism2_usb_driver);
362