• 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_DEV(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_DEV(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS"),
13 	PRISM_DEV(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11"),
14 	PRISM_DEV(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter"),
15 	PRISM_DEV(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter"),
16 	PRISM_DEV(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter"),
17 	PRISM_DEV(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter"),
18 	PRISM_DEV(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter"),
19 	PRISM_DEV(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter"),
20 	PRISM_DEV(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter"),
21 	PRISM_DEV(0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
22 	PRISM_DEV(0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter"),
23 	PRISM_DEV(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
24 	PRISM_DEV(0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter"),
25 	PRISM_DEV(0x0967, 0x0204, "Acer Warplink USB Adapter"),
26 	PRISM_DEV(0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated"),
27 	PRISM_DEV(0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter"),
28 	PRISM_DEV(0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter"),
29 	PRISM_DEV(0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter"),
30 	PRISM_DEV(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter"),
31 	PRISM_DEV(0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter"),
32 	PRISM_DEV(0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter"),
33 	PRISM_DEV(0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter"),
34 	PRISM_DEV(0x0846, 0x4110, "NetGear MA111"),
35 	PRISM_DEV(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter"),
36 	PRISM_DEV(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter"),
37 	PRISM_DEV(0x2001, 0x3700, "DWL-122 Wireless USB Adapter"),
38 	PRISM_DEV(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter"),
39 	PRISM_DEV(0x50c2, 0x4013, "Averatec USB WLAN Adapter"),
40 	PRISM_DEV(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter"),
41 	PRISM_DEV(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter"),
42 	PRISM_DEV(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter"),
43 	PRISM_DEV(0x2821, 0x3300, "Hawking HighDB USB Adapter"),
44 	PRISM_DEV(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter"),
45 	PRISM_DEV(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter"),
46 	PRISM_DEV(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter"),
47 	PRISM_DEV(0x0bb2, 0x0302, "Ambit Microsystems Corp."),
48 	PRISM_DEV(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter"),
49 	PRISM_DEV(0x0543, 0x0f01,
50 		"ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)"),
51 	PRISM_DEV(0x067c, 0x1022,
52 		"Siemens SpeedStream 1022 11Mbps WLAN USB Adapter"),
53 	PRISM_DEV(0x049f, 0x0033,
54 		"Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter"),
55 	{ } /* terminator */
56 };
57 MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
58 
prism2sta_probe_usb(struct usb_interface * interface,const struct usb_device_id * id)59 static int prism2sta_probe_usb(struct usb_interface *interface,
60 			       const struct usb_device_id *id)
61 {
62 	struct usb_device *dev;
63 
64 	wlandevice_t *wlandev = NULL;
65 	hfa384x_t *hw = NULL;
66 	int result = 0;
67 
68 	dev = interface_to_usbdev(interface);
69 	wlandev = create_wlan();
70 	if (wlandev == NULL) {
71 		dev_err(&interface->dev, "Memory allocation failure.\n");
72 		result = -EIO;
73 		goto failed;
74 	}
75 	hw = wlandev->priv;
76 
77 	if (wlan_setup(wlandev, &(interface->dev)) != 0) {
78 		dev_err(&interface->dev, "wlan_setup() failed.\n");
79 		result = -EIO;
80 		goto failed;
81 	}
82 
83 	/* Initialize the hw data */
84 	hfa384x_create(hw, dev);
85 	hw->wlandev = wlandev;
86 
87 	/* Register the wlandev, this gets us a name and registers the
88 	 * linux netdevice.
89 	 */
90 	SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
91 
92 	/* Do a chip-level reset on the MAC */
93 	if (prism2_doreset) {
94 		result = hfa384x_corereset(hw,
95 					   prism2_reset_holdtime,
96 					   prism2_reset_settletime, 0);
97 		if (result != 0) {
98 			result = -EIO;
99 			dev_err(&interface->dev,
100 				"hfa384x_corereset() failed.\n");
101 			goto failed_reset;
102 		}
103 	}
104 
105 	usb_get_dev(dev);
106 
107 	wlandev->msdstate = WLAN_MSD_HWPRESENT;
108 
109 	/* Try and load firmware, then enable card before we register */
110 	prism2_fwtry(dev, wlandev);
111 	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
112 
113 	if (register_wlandev(wlandev) != 0) {
114 		dev_err(&interface->dev, "register_wlandev() failed.\n");
115 		result = -EIO;
116 		goto failed_register;
117 	}
118 
119 	goto done;
120 
121 failed_register:
122 	usb_put_dev(dev);
123 failed_reset:
124 	wlan_unsetup(wlandev);
125 failed:
126 	kfree(wlandev);
127 	kfree(hw);
128 	wlandev = NULL;
129 
130 done:
131 	usb_set_intfdata(interface, wlandev);
132 	return result;
133 }
134 
prism2sta_disconnect_usb(struct usb_interface * interface)135 static void prism2sta_disconnect_usb(struct usb_interface *interface)
136 {
137 	wlandevice_t *wlandev;
138 
139 	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
140 	if (wlandev != NULL) {
141 		LIST_HEAD(cleanlist);
142 		struct list_head *entry;
143 		struct list_head *temp;
144 		unsigned long flags;
145 
146 		hfa384x_t *hw = wlandev->priv;
147 
148 		if (!hw)
149 			goto exit;
150 
151 		spin_lock_irqsave(&hw->ctlxq.lock, flags);
152 
153 		p80211netdev_hwremoved(wlandev);
154 		list_splice_init(&hw->ctlxq.reapable, &cleanlist);
155 		list_splice_init(&hw->ctlxq.completing, &cleanlist);
156 		list_splice_init(&hw->ctlxq.pending, &cleanlist);
157 		list_splice_init(&hw->ctlxq.active, &cleanlist);
158 
159 		spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
160 
161 		/* There's no hardware to shutdown, but the driver
162 		 * might have some tasks or tasklets that must be
163 		 * stopped before we can tear everything down.
164 		 */
165 		prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
166 
167 		del_singleshot_timer_sync(&hw->throttle);
168 		del_singleshot_timer_sync(&hw->reqtimer);
169 		del_singleshot_timer_sync(&hw->resptimer);
170 
171 		/* Unlink all the URBs. This "removes the wheels"
172 		 * from the entire CTLX handling mechanism.
173 		 */
174 		usb_kill_urb(&hw->rx_urb);
175 		usb_kill_urb(&hw->tx_urb);
176 		usb_kill_urb(&hw->ctlx_urb);
177 
178 		tasklet_kill(&hw->completion_bh);
179 		tasklet_kill(&hw->reaper_bh);
180 
181 		flush_scheduled_work();
182 
183 		/* Now we complete any outstanding commands
184 		 * and tell everyone who is waiting for their
185 		 * responses that we have shut down.
186 		 */
187 		list_for_each(entry, &cleanlist) {
188 			hfa384x_usbctlx_t *ctlx;
189 
190 			ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
191 			complete(&ctlx->done);
192 		}
193 
194 		/* Give any outstanding synchronous commands
195 		 * a chance to complete. All they need to do
196 		 * is "wake up", so that's easy.
197 		 * (I'd like a better way to do this, really.)
198 		 */
199 		msleep(100);
200 
201 		/* Now delete the CTLXs, because no-one else can now. */
202 		list_for_each_safe(entry, temp, &cleanlist) {
203 			hfa384x_usbctlx_t *ctlx;
204 
205 			ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
206 			kfree(ctlx);
207 		}
208 
209 		/* Unhook the wlandev */
210 		unregister_wlandev(wlandev);
211 		wlan_unsetup(wlandev);
212 
213 		usb_put_dev(hw->usb);
214 
215 		hfa384x_destroy(hw);
216 		kfree(hw);
217 
218 		kfree(wlandev);
219 	}
220 
221 exit:
222 	usb_set_intfdata(interface, NULL);
223 }
224 
225 #ifdef CONFIG_PM
prism2sta_suspend(struct usb_interface * interface,pm_message_t message)226 static int prism2sta_suspend(struct usb_interface *interface,
227 				pm_message_t message)
228 {
229 	hfa384x_t *hw = NULL;
230 	wlandevice_t *wlandev;
231 
232 	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
233 	if (!wlandev)
234 		return -ENODEV;
235 
236 	hw = wlandev->priv;
237 	if (!hw)
238 		return -ENODEV;
239 
240 	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
241 
242 	usb_kill_urb(&hw->rx_urb);
243 	usb_kill_urb(&hw->tx_urb);
244 	usb_kill_urb(&hw->ctlx_urb);
245 
246 	return 0;
247 }
248 
prism2sta_resume(struct usb_interface * interface)249 static int prism2sta_resume(struct usb_interface *interface)
250 {
251 	int result = 0;
252 	hfa384x_t *hw = NULL;
253 	wlandevice_t *wlandev;
254 
255 	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
256 	if (!wlandev)
257 		return -ENODEV;
258 
259 	hw = wlandev->priv;
260 	if (!hw)
261 		return -ENODEV;
262 
263 	/* Do a chip-level reset on the MAC */
264 	if (prism2_doreset) {
265 		result = hfa384x_corereset(hw,
266 					   prism2_reset_holdtime,
267 					   prism2_reset_settletime, 0);
268 		if (result != 0) {
269 			unregister_wlandev(wlandev);
270 			hfa384x_destroy(hw);
271 			dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
272 			kfree(wlandev);
273 			kfree(hw);
274 			wlandev = NULL;
275 			return -ENODEV;
276 		}
277 	}
278 
279 	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
280 
281 	return 0;
282 }
283 #else
284 #define prism2sta_suspend NULL
285 #define prism2sta_resume NULL
286 #endif /* CONFIG_PM */
287 
288 static struct usb_driver prism2_usb_driver = {
289 	.name = "prism2_usb",
290 	.probe = prism2sta_probe_usb,
291 	.disconnect = prism2sta_disconnect_usb,
292 	.id_table = usb_prism_tbl,
293 	.suspend = prism2sta_suspend,
294 	.resume = prism2sta_resume,
295 	.reset_resume = prism2sta_resume,
296 	/* fops, minor? */
297 };
298 
299 module_usb_driver(prism2_usb_driver);
300