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/drivers/staging/wlan-ng/prism2usb.c

https://bitbucket.org/slukk/jb-tsm-kernel-4.2
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);