[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_DEV(vid, pid, name)		\
	{ USB_DEVICE(vid, pid),			\
	.driver_info = (unsigned long)name }

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

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) {
		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) {
			result = -EIO;
			dev_err(&interface->dev,
				"hfa384x_corereset() failed.\n");
			goto failed_reset;
		}
	}

	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_register;
	}

	goto done;

failed_register:
	usb_put_dev(dev);
failed_reset:
	wlan_unsetup(wlandev);
failed:
	kfree(wlandev);
	kfree(hw);
	wlandev = NULL;

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

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);
		hfa384x_usbctlx_t *ctlx, *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);

		cancel_work_sync(&hw->link_bh);
		cancel_work_sync(&hw->commsqual_bh);

		/* Now we complete any outstanding commands
		 * and tell everyone who is waiting for their
		 * responses that we have shut down.
		 */
		list_for_each_entry(ctlx, &cleanlist, 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_entry_safe(ctlx, temp, &cleanlist, 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
bbb591a7 DP	7	#define PRISM_DEV(vid, pid, name) \
bbb591a7 DP	8	{ USB_DEVICE(vid, pid), \
e2911905	9	.driver_info = (unsigned long)name }
00b3ed16 GKH	10
00b3ed16 GKH	11	static struct usb_device_id usb_prism_tbl[] = {
bbb591a7 DP	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 */
00b3ed16	56	};
00b3ed16 GKH	57	MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
00b3ed16 GKH	58
f4ee0f42 MM	59	static int prism2sta_probe_usb(struct usb_interface *interface,
f4ee0f42 MM	60	const struct usb_device_id *id)
00b3ed16	61	{
00b3ed16	62	struct usb_device *dev;
00b3ed16	63
f4ee0f42 MM	64	wlandevice_t *wlandev = NULL;
	65	hfa384x_t *hw = NULL;
	66	int result = 0;
00b3ed16	67
00b3ed16	68	dev = interface_to_usbdev(interface);
297f06ce	69	wlandev = create_wlan();
e2e77528	70	if (!wlandev) {
318e16b9	71	dev_err(&interface->dev, "Memory allocation failure.\n");
00b3ed16 GKH	72	result = -EIO;
	73	goto failed;
	74	}
	75	hw = wlandev->priv;
	76
cb3126e6	77	if (wlan_setup(wlandev, &(interface->dev)) != 0) {
318e16b9	78	dev_err(&interface->dev, "wlan_setup() failed.\n");
00b3ed16 GKH	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	*/
00b3ed16	90	SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
00b3ed16 GKH	91
	92	/* Do a chip-level reset on the MAC */
	93	if (prism2_doreset) {
	94	result = hfa384x_corereset(hw,
f4ee0f42 MM	95	prism2_reset_holdtime,
f4ee0f42 MM	96	prism2_reset_settletime, 0);
00b3ed16	97	if (result != 0) {
00b3ed16	98	result = -EIO;
58612c60 DP	99	dev_err(&interface->dev,
58612c60 DP	100	"hfa384x_corereset() failed.\n");
b76ed59f	101	goto failed_reset;
00b3ed16 GKH	102	}
	103	}
	104
00b3ed16	105	usb_get_dev(dev);
00b3ed16 GKH	106
	107	wlandev->msdstate = WLAN_MSD_HWPRESENT;
	108
76e3e7c4 KR	109	/* Try and load firmware, then enable card before we register */
	110	prism2_fwtry(dev, wlandev);
	111	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
	112
f4ee0f42	113	if (register_wlandev(wlandev) != 0) {
318e16b9	114	dev_err(&interface->dev, "register_wlandev() failed.\n");
1d1b6985	115	result = -EIO;
b76ed59f	116	goto failed_register;
f4ee0f42	117	}
1d1b6985	118
00b3ed16 GKH	119	goto done;
00b3ed16 GKH	120
b76ed59f AK	121	failed_register:
	122	usb_put_dev(dev);
	123	failed_reset:
	124	wlan_unsetup(wlandev);
f4ee0f42	125	failed:
7c98f718 MM	126	kfree(wlandev);
7c98f718 MM	127	kfree(hw);
00b3ed16 GKH	128	wlandev = NULL;
00b3ed16 GKH	129
f4ee0f42	130	done:
00b3ed16 GKH	131	usb_set_intfdata(interface, wlandev);
00b3ed16 GKH	132	return result;
00b3ed16 GKH	133	}
00b3ed16 GKH	134
f4ee0f42	135	static void prism2sta_disconnect_usb(struct usb_interface *interface)
00b3ed16	136	{
f4ee0f42	137	wlandevice_t *wlandev;
00b3ed16	138
e2911905	139	wlandev = (wlandevice_t *)usb_get_intfdata(interface);
f4ee0f42	140	if (wlandev != NULL) {
00b3ed16	141	LIST_HEAD(cleanlist);
57477bf0	142	hfa384x_usbctlx_t ctlx, temp;
f4ee0f42	143	unsigned long flags;
00b3ed16	144
f4ee0f42	145	hfa384x_t *hw = wlandev->priv;
00b3ed16 GKH	146
	147	if (!hw)
	148	goto exit;
	149
	150	spin_lock_irqsave(&hw->ctlxq.lock, flags);
	151
	152	p80211netdev_hwremoved(wlandev);
	153	list_splice_init(&hw->ctlxq.reapable, &cleanlist);
	154	list_splice_init(&hw->ctlxq.completing, &cleanlist);
	155	list_splice_init(&hw->ctlxq.pending, &cleanlist);
	156	list_splice_init(&hw->ctlxq.active, &cleanlist);
	157
	158	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
	159
	160	/* There's no hardware to shutdown, but the driver
	161	* might have some tasks or tasklets that must be
	162	* stopped before we can tear everything down.
	163	*/
	164	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
	165
	166	del_singleshot_timer_sync(&hw->throttle);
	167	del_singleshot_timer_sync(&hw->reqtimer);
	168	del_singleshot_timer_sync(&hw->resptimer);
	169
	170	/* Unlink all the URBs. This "removes the wheels"
	171	* from the entire CTLX handling mechanism.
	172	*/
	173	usb_kill_urb(&hw->rx_urb);
	174	usb_kill_urb(&hw->tx_urb);
	175	usb_kill_urb(&hw->ctlx_urb);
	176
	177	tasklet_kill(&hw->completion_bh);
	178	tasklet_kill(&hw->reaper_bh);
	179
5be2f42b AKC	180	cancel_work_sync(&hw->link_bh);
5be2f42b AKC	181	cancel_work_sync(&hw->commsqual_bh);
00b3ed16 GKH	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	*/
57477bf0	187	list_for_each_entry(ctlx, &cleanlist, list)
00b3ed16	188	complete(&ctlx->done);
00b3ed16 GKH	189
	190	/* Give any outstanding synchronous commands
	191	* a chance to complete. All they need to do
	192	* is "wake up", so that's easy.
	193	* (I'd like a better way to do this, really.)
	194	*/
	195	msleep(100);
	196
	197	/* Now delete the CTLXs, because no-one else can now. */
57477bf0	198	list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
00b3ed16	199	kfree(ctlx);
00b3ed16 GKH	200
	201	/* Unhook the wlandev */
	202	unregister_wlandev(wlandev);
	203	wlan_unsetup(wlandev);
	204
00b3ed16	205	usb_put_dev(hw->usb);
00b3ed16 GKH	206
	207	hfa384x_destroy(hw);
	208	kfree(hw);
	209
	210	kfree(wlandev);
	211	}
	212
f4ee0f42	213	exit:
00b3ed16	214	usb_set_intfdata(interface, NULL);
00b3ed16 GKH	215	}
00b3ed16 GKH	216
59497bba CF	217	#ifdef CONFIG_PM
	218	static int prism2sta_suspend(struct usb_interface *interface,
	219	pm_message_t message)
	220	{
	221	hfa384x_t *hw = NULL;
	222	wlandevice_t *wlandev;
58612c60	223
e2911905	224	wlandev = (wlandevice_t *)usb_get_intfdata(interface);
59497bba CF	225	if (!wlandev)
	226	return -ENODEV;
	227
	228	hw = wlandev->priv;
	229	if (!hw)
	230	return -ENODEV;
	231
	232	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
	233
	234	usb_kill_urb(&hw->rx_urb);
	235	usb_kill_urb(&hw->tx_urb);
	236	usb_kill_urb(&hw->ctlx_urb);
	237
	238	return 0;
	239	}
	240
	241	static int prism2sta_resume(struct usb_interface *interface)
	242	{
	243	int result = 0;
	244	hfa384x_t *hw = NULL;
	245	wlandevice_t *wlandev;
58612c60	246
e2911905	247	wlandev = (wlandevice_t *)usb_get_intfdata(interface);
59497bba CF	248	if (!wlandev)
	249	return -ENODEV;
	250
	251	hw = wlandev->priv;
	252	if (!hw)
	253	return -ENODEV;
	254
	255	/* Do a chip-level reset on the MAC */
	256	if (prism2_doreset) {
	257	result = hfa384x_corereset(hw,
	258	prism2_reset_holdtime,
	259	prism2_reset_settletime, 0);
	260	if (result != 0) {
	261	unregister_wlandev(wlandev);
	262	hfa384x_destroy(hw);
318e16b9	263	dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
59497bba CF	264	kfree(wlandev);
	265	kfree(hw);
	266	wlandev = NULL;
	267	return -ENODEV;
	268	}
	269	}
	270
	271	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
	272
	273	return 0;
	274	}
	275	#else
	276	#define prism2sta_suspend NULL
	277	#define prism2sta_resume NULL
	278	#endif /* CONFIG_PM */
	279
00b3ed16	280	static struct usb_driver prism2_usb_driver = {
00b3ed16 GKH	281	.name = "prism2_usb",
	282	.probe = prism2sta_probe_usb,
	283	.disconnect = prism2sta_disconnect_usb,
	284	.id_table = usb_prism_tbl,
59497bba CF	285	.suspend = prism2sta_suspend,
	286	.resume = prism2sta_resume,
	287	.reset_resume = prism2sta_resume,
00b3ed16 GKH	288	/* fops, minor? */
	289	};
	290
bac2c126	291	module_usb_driver(prism2_usb_driver);