1// SPDX-License-Identifier: GPL-2.0
2#include "hfa384x_usb.c"
3#include "prism2mgmt.c"
4#include "prism2mib.c"
5#include "prism2sta.c"
6#include "prism2fw.c"
7
8#define PRISM_DEV(vid, pid, name)		\
9	{ USB_DEVICE(vid, pid),			\
10	.driver_info = (unsigned long)name }
11
12static const struct usb_device_id usb_prism_tbl[] = {
13	PRISM_DEV(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS"),
14	PRISM_DEV(0x07aa, 0x0012, "Corega USB Wireless LAN Stick-11"),
15	PRISM_DEV(0x09aa, 0x3642, "Prism2.x 11Mbps USB WLAN Adapter"),
16	PRISM_DEV(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps USB WLAN Adapter"),
17	PRISM_DEV(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps USB WLAN Adapter"),
18	PRISM_DEV(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps USB WLAN Adapter"),
19	PRISM_DEV(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps USB WLAN Adapter"),
20	PRISM_DEV(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps USB WLAN Adapter"),
21	PRISM_DEV(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter"),
22	PRISM_DEV(0x08de, 0x7a01, "PRISM25 USB IEEE 802.11 Mini Adapter"),
23	PRISM_DEV(0x8086, 0x1111, "Intel PRO/Wireless 2011B USB LAN Adapter"),
24	PRISM_DEV(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
25	PRISM_DEV(0x045e, 0x006e, "Microsoft MN510 USB Wireless Adapter"),
26	PRISM_DEV(0x0967, 0x0204, "Acer Warplink USB Adapter"),
27	PRISM_DEV(0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated"),
28	PRISM_DEV(0x0cde, 0x0005, "Z-Com Xl735 USB Wireless 802.11b Adapter"),
29	PRISM_DEV(0x413c, 0x8100, "Dell TrueMobile 1180 USB Wireless Adapter"),
30	PRISM_DEV(0x0b3b, 0x1601, "ALLNET 0193 11Mbps USB WLAN Adapter"),
31	PRISM_DEV(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 USB Wireless Adapter"),
32	PRISM_DEV(0x0baf, 0x00eb, "USRobotics USR1120 USB Wireless Adapter"),
33	PRISM_DEV(0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter"),
34	PRISM_DEV(0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter"),
35	PRISM_DEV(0x0846, 0x4110, "NetGear MA111"),
36	PRISM_DEV(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter"),
37	PRISM_DEV(0x2821, 0x3300, "ASUS-WL140 / Hawking HighDB USB Wireless Adapter"),
38	PRISM_DEV(0x2001, 0x3700, "DWL-122 USB Wireless Adapter"),
39	PRISM_DEV(0x2001, 0x3702, "DWL-120 Rev F USB Wireless Adapter"),
40	PRISM_DEV(0x50c2, 0x4013, "Averatec USB WLAN Adapter"),
41	PRISM_DEV(0x2c02, 0x14ea, "Planex GW-US11H USB WLAN Adapter"),
42	PRISM_DEV(0x124a, 0x168b, "Airvast PRISM3 USB WLAN Adapter"),
43	PRISM_DEV(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter"),
44	PRISM_DEV(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter"),
45	PRISM_DEV(0x1668, 0x6106, "ROPEX FreeLan USB 802.11b Adapter"),
46	PRISM_DEV(0x124a, 0x4017, "Pheenet WL-503IA USB 802.11b Adapter"),
47	PRISM_DEV(0x0bb2, 0x0302, "Ambit Microsystems Corp."),
48	PRISM_DEV(0x9016, 0x182d, "Sitecom WL-022 USB 802.11b Adapter"),
49	PRISM_DEV(0x0543, 0x0f01,
50		  "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)"),
51	PRISM_DEV(0x067c, 0x1022,
52		  "Siemens SpeedStream 1022 11Mbps USB WLAN Adapter"),
53	PRISM_DEV(0x049f, 0x0033,
54		  "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter"),
55	{ } /* terminator */
56};
57MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
58
59static int prism2sta_probe_usb(struct usb_interface *interface,
60			       const struct usb_device_id *id)
61{
62	struct usb_device *dev;
63	struct usb_endpoint_descriptor *bulk_in, *bulk_out;
64	struct usb_host_interface *iface_desc = interface->cur_altsetting;
65	struct wlandevice *wlandev = NULL;
66	struct hfa384x *hw = NULL;
67	int result = 0;
68
69	result = usb_find_common_endpoints(iface_desc, &bulk_in, &bulk_out, NULL, NULL);
70	if (result)
71		goto failed;
72
73	dev = interface_to_usbdev(interface);
74	wlandev = create_wlan();
75	if (!wlandev) {
76		dev_err(&interface->dev, "Memory allocation failure.\n");
77		result = -EIO;
78		goto failed;
79	}
80	hw = wlandev->priv;
81
82	if (wlan_setup(wlandev, &interface->dev) != 0) {
83		dev_err(&interface->dev, "wlan_setup() failed.\n");
84		result = -EIO;
85		goto failed;
86	}
87
88	/* Initialize the hw data */
89	hw->endp_in = usb_rcvbulkpipe(dev, bulk_in->bEndpointAddress);
90	hw->endp_out = usb_sndbulkpipe(dev, bulk_out->bEndpointAddress);
91	hfa384x_create(hw, dev);
92	hw->wlandev = wlandev;
93
94	/* Register the wlandev, this gets us a name and registers the
95	 * linux netdevice.
96	 */
97	SET_NETDEV_DEV(wlandev->netdev, &interface->dev);
98
99	/* Do a chip-level reset on the MAC */
100	if (prism2_doreset) {
101		result = hfa384x_corereset(hw,
102					   prism2_reset_holdtime,
103					   prism2_reset_settletime, 0);
104		if (result != 0) {
105			result = -EIO;
106			dev_err(&interface->dev,
107				"hfa384x_corereset() failed.\n");
108			goto failed_reset;
109		}
110	}
111
112	usb_get_dev(dev);
113
114	wlandev->msdstate = WLAN_MSD_HWPRESENT;
115
116	/* Try and load firmware, then enable card before we register */
117	prism2_fwtry(dev, wlandev);
118	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
119
120	if (register_wlandev(wlandev) != 0) {
121		dev_err(&interface->dev, "register_wlandev() failed.\n");
122		result = -EIO;
123		goto failed_register;
124	}
125
126	goto done;
127
128failed_register:
129	usb_put_dev(dev);
130failed_reset:
131	wlan_unsetup(wlandev);
132failed:
133	kfree(wlandev);
134	kfree(hw);
135	wlandev = NULL;
136
137done:
138	usb_set_intfdata(interface, wlandev);
139	return result;
140}
141
142static void prism2sta_disconnect_usb(struct usb_interface *interface)
143{
144	struct wlandevice *wlandev;
145
146	wlandev = usb_get_intfdata(interface);
147	if (wlandev) {
148		LIST_HEAD(cleanlist);
149		struct hfa384x_usbctlx *ctlx, *temp;
150		unsigned long flags;
151
152		struct hfa384x *hw = wlandev->priv;
153
154		if (!hw)
155			goto exit;
156
157		spin_lock_irqsave(&hw->ctlxq.lock, flags);
158
159		p80211netdev_hwremoved(wlandev);
160		list_splice_init(&hw->ctlxq.reapable, &cleanlist);
161		list_splice_init(&hw->ctlxq.completing, &cleanlist);
162		list_splice_init(&hw->ctlxq.pending, &cleanlist);
163		list_splice_init(&hw->ctlxq.active, &cleanlist);
164
165		spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
166
167		/* There's no hardware to shutdown, but the driver
168		 * might have some tasks that must be stopped before
169		 * we can tear everything down.
170		 */
171		prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
172
173		timer_shutdown_sync(&hw->throttle);
174		timer_shutdown_sync(&hw->reqtimer);
175		timer_shutdown_sync(&hw->resptimer);
176
177		/* Unlink all the URBs. This "removes the wheels"
178		 * from the entire CTLX handling mechanism.
179		 */
180		usb_kill_urb(&hw->rx_urb);
181		usb_kill_urb(&hw->tx_urb);
182		usb_kill_urb(&hw->ctlx_urb);
183
184		cancel_work_sync(&hw->completion_bh);
185		cancel_work_sync(&hw->reaper_bh);
186
187		cancel_work_sync(&hw->link_bh);
188		cancel_work_sync(&hw->commsqual_bh);
189		cancel_work_sync(&hw->usb_work);
190
191		/* Now we complete any outstanding commands
192		 * and tell everyone who is waiting for their
193		 * responses that we have shut down.
194		 */
195		list_for_each_entry(ctlx, &cleanlist, list)
196			complete(&ctlx->done);
197
198		/* Give any outstanding synchronous commands
199		 * a chance to complete. All they need to do
200		 * is "wake up", so that's easy.
201		 * (I'd like a better way to do this, really.)
202		 */
203		msleep(100);
204
205		/* Now delete the CTLXs, because no-one else can now. */
206		list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
207			kfree(ctlx);
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
221exit:
222	usb_set_intfdata(interface, NULL);
223}
224
225#ifdef CONFIG_PM
226static int prism2sta_suspend(struct usb_interface *interface,
227			     pm_message_t message)
228{
229	struct hfa384x *hw = NULL;
230	struct wlandevice *wlandev;
231
232	wlandev = 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
249static int prism2sta_resume(struct usb_interface *interface)
250{
251	int result = 0;
252	struct hfa384x *hw = NULL;
253	struct wlandevice *wlandev;
254
255	wlandev = 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
288static 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
299module_usb_driver(prism2_usb_driver);
300