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

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
361module_usb_driver(prism2_usb_driver);
362

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