diff options
Diffstat (limited to 'drivers/staging/wlan-ng/prism2usb.c')
| -rw-r--r-- | drivers/staging/wlan-ng/prism2usb.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c new file mode 100644 index 0000000000..0e0ccef487 --- /dev/null +++ b/drivers/staging/wlan-ng/prism2usb.c @@ -0,0 +1,299 @@ +// SPDX-License-Identifier: GPL-2.0 +#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 const struct usb_device_id usb_prism_tbl[] = { + PRISM_DEV(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS"), + PRISM_DEV(0x07aa, 0x0012, "Corega USB Wireless LAN Stick-11"), + PRISM_DEV(0x09aa, 0x3642, "Prism2.x 11Mbps USB WLAN Adapter"), + PRISM_DEV(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps USB WLAN Adapter"), + PRISM_DEV(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps USB WLAN Adapter"), + PRISM_DEV(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps USB WLAN Adapter"), + PRISM_DEV(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps USB WLAN Adapter"), + PRISM_DEV(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps USB WLAN Adapter"), + PRISM_DEV(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter"), + PRISM_DEV(0x08de, 0x7a01, "PRISM25 USB IEEE 802.11 Mini Adapter"), + PRISM_DEV(0x8086, 0x1111, "Intel PRO/Wireless 2011B USB LAN Adapter"), + PRISM_DEV(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"), + PRISM_DEV(0x045e, 0x006e, "Microsoft MN510 USB Wireless 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 USB Wireless 802.11b Adapter"), + PRISM_DEV(0x413c, 0x8100, "Dell TrueMobile 1180 USB Wireless Adapter"), + PRISM_DEV(0x0b3b, 0x1601, "ALLNET 0193 11Mbps USB WLAN Adapter"), + PRISM_DEV(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 USB Wireless Adapter"), + PRISM_DEV(0x0baf, 0x00eb, "USRobotics USR1120 USB Wireless 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 / Hawking HighDB USB Wireless Adapter"), + PRISM_DEV(0x2001, 0x3700, "DWL-122 USB Wireless Adapter"), + PRISM_DEV(0x2001, 0x3702, "DWL-120 Rev F USB Wireless Adapter"), + PRISM_DEV(0x50c2, 0x4013, "Averatec USB WLAN Adapter"), + PRISM_DEV(0x2c02, 0x14ea, "Planex GW-US11H USB WLAN Adapter"), + PRISM_DEV(0x124a, 0x168b, "Airvast PRISM3 USB WLAN Adapter"), + PRISM_DEV(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter"), + PRISM_DEV(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter"), + PRISM_DEV(0x1668, 0x6106, "ROPEX FreeLan USB 802.11b Adapter"), + PRISM_DEV(0x124a, 0x4017, "Pheenet WL-503IA USB 802.11b Adapter"), + PRISM_DEV(0x0bb2, 0x0302, "Ambit Microsystems Corp."), + PRISM_DEV(0x9016, 0x182d, "Sitecom WL-022 USB 802.11b Adapter"), + PRISM_DEV(0x0543, 0x0f01, + "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)"), + PRISM_DEV(0x067c, 0x1022, + "Siemens SpeedStream 1022 11Mbps USB WLAN 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; + struct usb_endpoint_descriptor *bulk_in, *bulk_out; + struct usb_host_interface *iface_desc = interface->cur_altsetting; + struct wlandevice *wlandev = NULL; + struct hfa384x *hw = NULL; + int result = 0; + + result = usb_find_common_endpoints(iface_desc, &bulk_in, &bulk_out, NULL, NULL); + if (result) + goto failed; + + 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 */ + hw->endp_in = usb_rcvbulkpipe(dev, bulk_in->bEndpointAddress); + hw->endp_out = usb_sndbulkpipe(dev, bulk_out->bEndpointAddress); + 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) +{ + struct wlandevice *wlandev; + + wlandev = usb_get_intfdata(interface); + if (wlandev) { + LIST_HEAD(cleanlist); + struct hfa384x_usbctlx *ctlx, *temp; + unsigned long flags; + + struct hfa384x *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 that must be stopped before + * we can tear everything down. + */ + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + + timer_shutdown_sync(&hw->throttle); + timer_shutdown_sync(&hw->reqtimer); + timer_shutdown_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); + + cancel_work_sync(&hw->completion_bh); + cancel_work_sync(&hw->reaper_bh); + + cancel_work_sync(&hw->link_bh); + cancel_work_sync(&hw->commsqual_bh); + cancel_work_sync(&hw->usb_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(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) +{ + struct hfa384x *hw = NULL; + struct wlandevice *wlandev; + + wlandev = 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; + struct hfa384x *hw = NULL; + struct wlandevice *wlandev; + + wlandev = 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); |