[linux-2.6-block.git] / drivers / staging / wlan-ng / prism2usb.c

#include "hfa384x_usb.c"
#include "prism2mgmt.c"
#include "prism2mib.c"
#include "prism2sta.c"
#include "prism2fw.c"

#define PRISM_USB_DEVICE(vid, pid, name)	\
	USB_DEVICE(vid, pid),			\
	.driver_info = (unsigned long) name

static struct usb_device_id usb_prism_tbl[] = {
	{PRISM_USB_DEVICE(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS")},
	{PRISM_USB_DEVICE(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11")},
	{PRISM_USB_DEVICE(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x067c, 0x1022, "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x049f, 0x0033,
	 "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")},
	{PRISM_USB_DEVICE
	 (0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter")},
	{PRISM_USB_DEVICE
	 (0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter")},
	{PRISM_USB_DEVICE(0x0967, 0x0204, "Acer Warplink USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated")},
	{PRISM_USB_DEVICE
	 (0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter")},
	{PRISM_USB_DEVICE
	 (0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter")},
	{PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")},
	{PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")},
	{PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")},
	{PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter")},
	{PRISM_USB_DEVICE(0x50c2, 0x4013, "Averatec USB WLAN Adapter")},
	{PRISM_USB_DEVICE(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter")},
	{PRISM_USB_DEVICE(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter")},
	{PRISM_USB_DEVICE(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter")},
	{PRISM_USB_DEVICE(0x2821, 0x3300, "Hawking HighDB USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter")},
	{PRISM_USB_DEVICE(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter")},
	{PRISM_USB_DEVICE(0x0bb2, 0x0302, "Ambit Microsystems Corp.")},
	{PRISM_USB_DEVICE
	 (0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter")},
	{PRISM_USB_DEVICE
	 (0x0543, 0x0f01, "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)")},
	{ /* terminator */ }
};

MODULE_DEVICE_TABLE(usb, usb_prism_tbl);

/*----------------------------------------------------------------
* prism2sta_probe_usb
*
* Probe routine called by the USB subsystem.
*
* Arguments:
*	dev		ptr to the usb_device struct
*	ifnum		interface number being offered
*
* Returns:
*	NULL		- we're not claiming the device+interface
*	non-NULL	- we are claiming the device+interface and
*			  this is a ptr to the data we want back
*			  when disconnect is called.
*
* Side effects:
*
* Call context:
*	I'm not sure, assume it's interrupt.
*
----------------------------------------------------------------*/
static int prism2sta_probe_usb(struct usb_interface *interface,
			       const struct usb_device_id *id)
{
	struct usb_device *dev;

	wlandevice_t *wlandev = NULL;
	hfa384x_t *hw = NULL;
	int result = 0;

	dev = interface_to_usbdev(interface);
	wlandev = create_wlan();
	if (wlandev == NULL) {
		dev_err(&interface->dev, "Memory allocation failure.\n");
		result = -EIO;
		goto failed;
	}
	hw = wlandev->priv;

	if (wlan_setup(wlandev, &(interface->dev)) != 0) {
		dev_err(&interface->dev, "wlan_setup() failed.\n");
		result = -EIO;
		goto failed;
	}

	/* Initialize the hw data */
	hfa384x_create(hw, dev);
	hw->wlandev = wlandev;

	/* Register the wlandev, this gets us a name and registers the
	 * linux netdevice.
	 */
	SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));

	/* Do a chip-level reset on the MAC */
	if (prism2_doreset) {
		result = hfa384x_corereset(hw,
					   prism2_reset_holdtime,
					   prism2_reset_settletime, 0);
		if (result != 0) {
			unregister_wlandev(wlandev);
			hfa384x_destroy(hw);
			result = -EIO;
			dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
			goto failed;
		}
	}

	usb_get_dev(dev);

	wlandev->msdstate = WLAN_MSD_HWPRESENT;

	/* Try and load firmware, then enable card before we register */
	prism2_fwtry(dev, wlandev);
	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);

	if (register_wlandev(wlandev) != 0) {
		dev_err(&interface->dev, "register_wlandev() failed.\n");
		result = -EIO;
		goto failed;
	}

	goto done;

failed:
	kfree(wlandev);
	kfree(hw);
	wlandev = NULL;

done:
	usb_set_intfdata(interface, wlandev);
	return result;
}

/*----------------------------------------------------------------
* prism2sta_disconnect_usb
*
* Called when a device previously claimed by probe is removed
* from the USB.
*
* Arguments:
*	dev		ptr to the usb_device struct
*	ptr		ptr returned by probe() when the device
*                       was claimed.
*
* Returns:
*	Nothing
*
* Side effects:
*
* Call context:
*	process
----------------------------------------------------------------*/
static void prism2sta_disconnect_usb(struct usb_interface *interface)
{
	wlandevice_t *wlandev;

	wlandev = (wlandevice_t *) usb_get_intfdata(interface);

	if (wlandev != NULL) {
		LIST_HEAD(cleanlist);
		struct list_head *entry;
		struct list_head *temp;
		unsigned long flags;

		hfa384x_t *hw = wlandev->priv;

		if (!hw)
			goto exit;

		spin_lock_irqsave(&hw->ctlxq.lock, flags);

		p80211netdev_hwremoved(wlandev);
		list_splice_init(&hw->ctlxq.reapable, &cleanlist);
		list_splice_init(&hw->ctlxq.completing, &cleanlist);
		list_splice_init(&hw->ctlxq.pending, &cleanlist);
		list_splice_init(&hw->ctlxq.active, &cleanlist);

		spin_unlock_irqrestore(&hw->ctlxq.lock, flags);

		/* There's no hardware to shutdown, but the driver
		 * might have some tasks or tasklets that must be
		 * stopped before we can tear everything down.
		 */
		prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);

		del_singleshot_timer_sync(&hw->throttle);
		del_singleshot_timer_sync(&hw->reqtimer);
		del_singleshot_timer_sync(&hw->resptimer);

		/* Unlink all the URBs. This "removes the wheels"
		 * from the entire CTLX handling mechanism.
		 */
		usb_kill_urb(&hw->rx_urb);
		usb_kill_urb(&hw->tx_urb);
		usb_kill_urb(&hw->ctlx_urb);

		tasklet_kill(&hw->completion_bh);
		tasklet_kill(&hw->reaper_bh);

		flush_scheduled_work();

		/* Now we complete any outstanding commands
		 * and tell everyone who is waiting for their
		 * responses that we have shut down.
		 */
		list_for_each(entry, &cleanlist) {
			hfa384x_usbctlx_t *ctlx;

			ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
			complete(&ctlx->done);
		}

		/* Give any outstanding synchronous commands
		 * a chance to complete. All they need to do
		 * is "wake up", so that's easy.
		 * (I'd like a better way to do this, really.)
		 */
		msleep(100);

		/* Now delete the CTLXs, because no-one else can now. */
		list_for_each_safe(entry, temp, &cleanlist) {
			hfa384x_usbctlx_t *ctlx;

			ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
			kfree(ctlx);
		}

		/* Unhook the wlandev */
		unregister_wlandev(wlandev);
		wlan_unsetup(wlandev);

		usb_put_dev(hw->usb);

		hfa384x_destroy(hw);
		kfree(hw);

		kfree(wlandev);
	}

exit:
	usb_set_intfdata(interface, NULL);
}

#ifdef CONFIG_PM
static int prism2sta_suspend(struct usb_interface *interface,
				pm_message_t message)
{
	hfa384x_t *hw = NULL;
	wlandevice_t *wlandev;
	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
	if (!wlandev)
		return -ENODEV;

	hw = wlandev->priv;
	if (!hw)
		return -ENODEV;

	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);

	usb_kill_urb(&hw->rx_urb);
	usb_kill_urb(&hw->tx_urb);
	usb_kill_urb(&hw->ctlx_urb);

	return 0;
}

static int prism2sta_resume(struct usb_interface *interface)
{
	int result = 0;
	hfa384x_t *hw = NULL;
	wlandevice_t *wlandev;
	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
	if (!wlandev)
		return -ENODEV;

	hw = wlandev->priv;
	if (!hw)
		return -ENODEV;

	/* Do a chip-level reset on the MAC */
	if (prism2_doreset) {
		result = hfa384x_corereset(hw,
					   prism2_reset_holdtime,
					   prism2_reset_settletime, 0);
		if (result != 0) {
			unregister_wlandev(wlandev);
			hfa384x_destroy(hw);
			dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
			kfree(wlandev);
			kfree(hw);
			wlandev = NULL;
			return -ENODEV;
		}
	}

	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);

	return 0;
}
#else
#define prism2sta_suspend NULL
#define prism2sta_resume NULL
#endif /* CONFIG_PM */

static struct usb_driver prism2_usb_driver = {
	.name = "prism2_usb",
	.probe = prism2sta_probe_usb,
	.disconnect = prism2sta_disconnect_usb,
	.id_table = usb_prism_tbl,
	.suspend = prism2sta_suspend,
	.resume = prism2sta_resume,
	.reset_resume = prism2sta_resume,
	/* fops, minor? */
};

module_usb_driver(prism2_usb_driver);
Commit	Line	Data
00b3ed16 GKH	1	#include "hfa384x_usb.c"
	2	#include "prism2mgmt.c"
	3	#include "prism2mib.c"
	4	#include "prism2sta.c"
76e3e7c4	5	#include "prism2fw.c"
00b3ed16	6
297f06ce MT	7	#define PRISM_USB_DEVICE(vid, pid, name) \
	8	USB_DEVICE(vid, pid), \
	9	.driver_info = (unsigned long) name
00b3ed16 GKH	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")},
f4ee0f42 MM	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")},
09257969 JD	27	{PRISM_USB_DEVICE
	28	(0x049f, 0x0033,
	29	"Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")},
f4ee0f42 MM	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")},
00b3ed16	40	{PRISM_USB_DEVICE(0x0967, 0x0204, "Acer Warplink USB Adapter")},
f4ee0f42 MM	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")},
00b3ed16	57	{PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")},
f4ee0f42	58	{PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")},
00b3ed16 GKH	59	{PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")},
00b3ed16 GKH	60	{PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")},
f4ee0f42 MM	61	{PRISM_USB_DEVICE
f4ee0f42 MM	62	(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter")},
00b3ed16 GKH	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")},
f4ee0f42 MM	68	{PRISM_USB_DEVICE
f4ee0f42 MM	69	(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter")},
00b3ed16	70	{PRISM_USB_DEVICE(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter")},
f4ee0f42 MM	71	{PRISM_USB_DEVICE
f4ee0f42 MM	72	(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter")},
00b3ed16	73	{PRISM_USB_DEVICE(0x0bb2, 0x0302, "Ambit Microsystems Corp.")},
f4ee0f42 MM	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)")},
00b3ed16 GKH	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	----------------------------------------------------------------*/
f4ee0f42 MM	104	static int prism2sta_probe_usb(struct usb_interface *interface,
f4ee0f42 MM	105	const struct usb_device_id *id)
00b3ed16	106	{
00b3ed16	107	struct usb_device *dev;
00b3ed16	108
f4ee0f42 MM	109	wlandevice_t *wlandev = NULL;
	110	hfa384x_t *hw = NULL;
	111	int result = 0;
00b3ed16	112
00b3ed16	113	dev = interface_to_usbdev(interface);
297f06ce MT	114	wlandev = create_wlan();
297f06ce MT	115	if (wlandev == NULL) {
318e16b9	116	dev_err(&interface->dev, "Memory allocation failure.\n");
00b3ed16 GKH	117	result = -EIO;
	118	goto failed;
	119	}
	120	hw = wlandev->priv;
	121
cb3126e6	122	if (wlan_setup(wlandev, &(interface->dev)) != 0) {
318e16b9	123	dev_err(&interface->dev, "wlan_setup() failed.\n");
00b3ed16 GKH	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	*/
00b3ed16	135	SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
00b3ed16 GKH	136
	137	/* Do a chip-level reset on the MAC */
	138	if (prism2_doreset) {
	139	result = hfa384x_corereset(hw,
f4ee0f42 MM	140	prism2_reset_holdtime,
f4ee0f42 MM	141	prism2_reset_settletime, 0);
00b3ed16 GKH	142	if (result != 0) {
	143	unregister_wlandev(wlandev);
	144	hfa384x_destroy(hw);
	145	result = -EIO;
318e16b9	146	dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
00b3ed16 GKH	147	goto failed;
	148	}
	149	}
	150
00b3ed16	151	usb_get_dev(dev);
00b3ed16 GKH	152
	153	wlandev->msdstate = WLAN_MSD_HWPRESENT;
	154
76e3e7c4 KR	155	/* Try and load firmware, then enable card before we register */
	156	prism2_fwtry(dev, wlandev);
	157	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
	158
f4ee0f42	159	if (register_wlandev(wlandev) != 0) {
318e16b9	160	dev_err(&interface->dev, "register_wlandev() failed.\n");
1d1b6985 RK	161	result = -EIO;
1d1b6985 RK	162	goto failed;
f4ee0f42	163	}
1d1b6985	164
00b3ed16 GKH	165	goto done;
00b3ed16 GKH	166
f4ee0f42	167	failed:
7c98f718 MM	168	kfree(wlandev);
7c98f718 MM	169	kfree(hw);
00b3ed16 GKH	170	wlandev = NULL;
00b3ed16 GKH	171
f4ee0f42	172	done:
00b3ed16 GKH	173	usb_set_intfdata(interface, wlandev);
00b3ed16 GKH	174	return result;
00b3ed16 GKH	175	}
00b3ed16 GKH	176
00b3ed16 GKH	177	/*----------------------------------------------------------------
	178	* prism2sta_disconnect_usb
	179	*
	180	* Called when a device previously claimed by probe is removed
	181	* from the USB.
	182	*
	183	* Arguments:
	184	* dev ptr to the usb_device struct
	185	* ptr ptr returned by probe() when the device
	186	* was claimed.
	187	*
	188	* Returns:
	189	* Nothing
	190	*
	191	* Side effects:
	192	*
	193	* Call context:
	194	* process
	195	----------------------------------------------------------------*/
f4ee0f42	196	static void prism2sta_disconnect_usb(struct usb_interface *interface)
00b3ed16	197	{
f4ee0f42	198	wlandevice_t *wlandev;
00b3ed16	199
00b3ed16	200	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
00b3ed16	201
f4ee0f42	202	if (wlandev != NULL) {
00b3ed16	203	LIST_HEAD(cleanlist);
f4ee0f42 MM	204	struct list_head *entry;
	205	struct list_head *temp;
	206	unsigned long flags;
00b3ed16	207
f4ee0f42	208	hfa384x_t *hw = wlandev->priv;
00b3ed16 GKH	209
	210	if (!hw)
	211	goto exit;
	212
	213	spin_lock_irqsave(&hw->ctlxq.lock, flags);
	214
	215	p80211netdev_hwremoved(wlandev);
	216	list_splice_init(&hw->ctlxq.reapable, &cleanlist);
	217	list_splice_init(&hw->ctlxq.completing, &cleanlist);
	218	list_splice_init(&hw->ctlxq.pending, &cleanlist);
	219	list_splice_init(&hw->ctlxq.active, &cleanlist);
	220
	221	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
	222
	223	/* There's no hardware to shutdown, but the driver
	224	* might have some tasks or tasklets that must be
	225	* stopped before we can tear everything down.
	226	*/
	227	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
	228
	229	del_singleshot_timer_sync(&hw->throttle);
	230	del_singleshot_timer_sync(&hw->reqtimer);
	231	del_singleshot_timer_sync(&hw->resptimer);
	232
	233	/* Unlink all the URBs. This "removes the wheels"
	234	* from the entire CTLX handling mechanism.
	235	*/
	236	usb_kill_urb(&hw->rx_urb);
	237	usb_kill_urb(&hw->tx_urb);
	238	usb_kill_urb(&hw->ctlx_urb);
	239
	240	tasklet_kill(&hw->completion_bh);
	241	tasklet_kill(&hw->reaper_bh);
	242
	243	flush_scheduled_work();
	244
	245	/* Now we complete any outstanding commands
	246	* and tell everyone who is waiting for their
	247	* responses that we have shut down.
	248	*/
	249	list_for_each(entry, &cleanlist) {
f4ee0f42	250	hfa384x_usbctlx_t *ctlx;
00b3ed16 GKH	251
	252	ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
	253	complete(&ctlx->done);
	254	}
	255
	256	/* Give any outstanding synchronous commands
	257	* a chance to complete. All they need to do
	258	* is "wake up", so that's easy.
	259	* (I'd like a better way to do this, really.)
	260	*/
	261	msleep(100);
	262
	263	/* Now delete the CTLXs, because no-one else can now. */
	264	list_for_each_safe(entry, temp, &cleanlist) {
	265	hfa384x_usbctlx_t *ctlx;
	266
	267	ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
	268	kfree(ctlx);
	269	}
	270
	271	/* Unhook the wlandev */
	272	unregister_wlandev(wlandev);
	273	wlan_unsetup(wlandev);
	274
00b3ed16	275	usb_put_dev(hw->usb);
00b3ed16 GKH	276
	277	hfa384x_destroy(hw);
	278	kfree(hw);
	279
	280	kfree(wlandev);
	281	}
	282
f4ee0f42	283	exit:
00b3ed16	284	usb_set_intfdata(interface, NULL);
00b3ed16 GKH	285	}
00b3ed16 GKH	286
59497bba CF	287	#ifdef CONFIG_PM
	288	static int prism2sta_suspend(struct usb_interface *interface,
	289	pm_message_t message)
	290	{
	291	hfa384x_t *hw = NULL;
	292	wlandevice_t *wlandev;
	293	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
	294	if (!wlandev)
	295	return -ENODEV;
	296
	297	hw = wlandev->priv;
	298	if (!hw)
	299	return -ENODEV;
	300
	301	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
	302
	303	usb_kill_urb(&hw->rx_urb);
	304	usb_kill_urb(&hw->tx_urb);
	305	usb_kill_urb(&hw->ctlx_urb);
	306
	307	return 0;
	308	}
	309
	310	static int prism2sta_resume(struct usb_interface *interface)
	311	{
	312	int result = 0;
	313	hfa384x_t *hw = NULL;
	314	wlandevice_t *wlandev;
	315	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
	316	if (!wlandev)
	317	return -ENODEV;
	318
	319	hw = wlandev->priv;
	320	if (!hw)
	321	return -ENODEV;
	322
	323	/* Do a chip-level reset on the MAC */
	324	if (prism2_doreset) {
	325	result = hfa384x_corereset(hw,
	326	prism2_reset_holdtime,
	327	prism2_reset_settletime, 0);
	328	if (result != 0) {
	329	unregister_wlandev(wlandev);
	330	hfa384x_destroy(hw);
318e16b9	331	dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
59497bba CF	332	kfree(wlandev);
	333	kfree(hw);
	334	wlandev = NULL;
	335	return -ENODEV;
	336	}
	337	}
	338
	339	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
	340
	341	return 0;
	342	}
	343	#else
	344	#define prism2sta_suspend NULL
	345	#define prism2sta_resume NULL
	346	#endif /* CONFIG_PM */
	347
00b3ed16	348	static struct usb_driver prism2_usb_driver = {
00b3ed16 GKH	349	.name = "prism2_usb",
	350	.probe = prism2sta_probe_usb,
	351	.disconnect = prism2sta_disconnect_usb,
	352	.id_table = usb_prism_tbl,
59497bba CF	353	.suspend = prism2sta_suspend,
	354	.resume = prism2sta_resume,
	355	.reset_resume = prism2sta_resume,
00b3ed16 GKH	356	/* fops, minor? */
	357	};
	358
bac2c126	359	module_usb_driver(prism2_usb_driver);