// SPDX-License-Identifier: GPL-2.0
|
/******************************************************************************
|
* usb_intf.c
|
*
|
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
|
* Linux device driver for RTL8192SU
|
*
|
* Modifications for inclusion into the Linux staging tree are
|
* Copyright(c) 2010 Larry Finger. All rights reserved.
|
*
|
* Contact information:
|
* WLAN FAE <wlanfae@realtek.com>
|
* Larry Finger <Larry.Finger@lwfinger.net>
|
*
|
******************************************************************************/
|
|
#define _HCI_INTF_C_
|
|
#include <linux/usb.h>
|
#include <linux/module.h>
|
#include <linux/firmware.h>
|
|
#include "osdep_service.h"
|
#include "drv_types.h"
|
#include "recv_osdep.h"
|
#include "xmit_osdep.h"
|
#include "rtl8712_efuse.h"
|
#include "usb_ops.h"
|
#include "usb_osintf.h"
|
|
static struct usb_interface *pintf;
|
|
static int r871xu_drv_init(struct usb_interface *pusb_intf,
|
const struct usb_device_id *pdid);
|
|
static void r871xu_dev_remove(struct usb_interface *pusb_intf);
|
|
static const struct usb_device_id rtl871x_usb_id_tbl[] = {
|
|
/* RTL8188SU */
|
/* Realtek */
|
{USB_DEVICE(0x0BDA, 0x8171)},
|
{USB_DEVICE(0x0bda, 0x8173)},
|
{USB_DEVICE(0x0bda, 0x8712)},
|
{USB_DEVICE(0x0bda, 0x8713)},
|
{USB_DEVICE(0x0bda, 0xC512)},
|
/* Abocom */
|
{USB_DEVICE(0x07B8, 0x8188)},
|
/* ASUS */
|
{USB_DEVICE(0x0B05, 0x1786)},
|
{USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
|
/* Belkin */
|
{USB_DEVICE(0x050D, 0x945A)},
|
/* ISY IWL - Belkin clone */
|
{USB_DEVICE(0x050D, 0x11F1)},
|
/* Corega */
|
{USB_DEVICE(0x07AA, 0x0047)},
|
/* D-Link */
|
{USB_DEVICE(0x2001, 0x3306)},
|
{USB_DEVICE(0x07D1, 0x3306)}, /* 11n mode disable */
|
/* Edimax */
|
{USB_DEVICE(0x7392, 0x7611)},
|
/* EnGenius */
|
{USB_DEVICE(0x1740, 0x9603)},
|
/* Hawking */
|
{USB_DEVICE(0x0E66, 0x0016)},
|
/* Hercules */
|
{USB_DEVICE(0x06F8, 0xE034)},
|
{USB_DEVICE(0x06F8, 0xE032)},
|
/* Logitec */
|
{USB_DEVICE(0x0789, 0x0167)},
|
/* PCI */
|
{USB_DEVICE(0x2019, 0xAB28)},
|
{USB_DEVICE(0x2019, 0xED16)},
|
/* Sitecom */
|
{USB_DEVICE(0x0DF6, 0x0057)},
|
{USB_DEVICE(0x0DF6, 0x0045)},
|
{USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
|
{USB_DEVICE(0x0DF6, 0x004B)},
|
{USB_DEVICE(0x0DF6, 0x005B)},
|
{USB_DEVICE(0x0DF6, 0x005D)},
|
{USB_DEVICE(0x0DF6, 0x0063)},
|
/* Sweex */
|
{USB_DEVICE(0x177F, 0x0154)},
|
/* Thinkware */
|
{USB_DEVICE(0x0BDA, 0x5077)},
|
/* Toshiba */
|
{USB_DEVICE(0x1690, 0x0752)},
|
/* - */
|
{USB_DEVICE(0x20F4, 0x646B)},
|
{USB_DEVICE(0x083A, 0xC512)},
|
{USB_DEVICE(0x25D4, 0x4CA1)},
|
{USB_DEVICE(0x25D4, 0x4CAB)},
|
|
/* RTL8191SU */
|
/* Realtek */
|
{USB_DEVICE(0x0BDA, 0x8172)},
|
{USB_DEVICE(0x0BDA, 0x8192)},
|
/* Amigo */
|
{USB_DEVICE(0x0EB0, 0x9061)},
|
/* ASUS/EKB */
|
{USB_DEVICE(0x13D3, 0x3323)},
|
{USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
|
{USB_DEVICE(0x13D3, 0x3342)},
|
/* ASUS/EKBLenovo */
|
{USB_DEVICE(0x13D3, 0x3333)},
|
{USB_DEVICE(0x13D3, 0x3334)},
|
{USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
|
{USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
|
/* ASUS/Media BOX */
|
{USB_DEVICE(0x13D3, 0x3309)},
|
/* Belkin */
|
{USB_DEVICE(0x050D, 0x815F)},
|
/* D-Link */
|
{USB_DEVICE(0x07D1, 0x3302)},
|
{USB_DEVICE(0x07D1, 0x3300)},
|
{USB_DEVICE(0x07D1, 0x3303)},
|
/* Edimax */
|
{USB_DEVICE(0x7392, 0x7612)},
|
/* EnGenius */
|
{USB_DEVICE(0x1740, 0x9605)},
|
/* Guillemot */
|
{USB_DEVICE(0x06F8, 0xE031)},
|
/* Hawking */
|
{USB_DEVICE(0x0E66, 0x0015)},
|
/* Mediao */
|
{USB_DEVICE(0x13D3, 0x3306)},
|
/* PCI */
|
{USB_DEVICE(0x2019, 0xED18)},
|
{USB_DEVICE(0x2019, 0x4901)},
|
/* Sitecom */
|
{USB_DEVICE(0x0DF6, 0x0058)},
|
{USB_DEVICE(0x0DF6, 0x0049)},
|
{USB_DEVICE(0x0DF6, 0x004C)},
|
{USB_DEVICE(0x0DF6, 0x006C)},
|
{USB_DEVICE(0x0DF6, 0x0064)},
|
/* Skyworth */
|
{USB_DEVICE(0x14b2, 0x3300)},
|
{USB_DEVICE(0x14b2, 0x3301)},
|
{USB_DEVICE(0x14B2, 0x3302)},
|
/* - */
|
{USB_DEVICE(0x04F2, 0xAFF2)},
|
{USB_DEVICE(0x04F2, 0xAFF5)},
|
{USB_DEVICE(0x04F2, 0xAFF6)},
|
{USB_DEVICE(0x13D3, 0x3339)},
|
{USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
|
{USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
|
{USB_DEVICE(0x13D3, 0x3310)},
|
{USB_DEVICE(0x13D3, 0x3325)},
|
|
/* RTL8192SU */
|
/* Realtek */
|
{USB_DEVICE(0x0BDA, 0x8174)},
|
/* Belkin */
|
{USB_DEVICE(0x050D, 0x845A)},
|
/* Corega */
|
{USB_DEVICE(0x07AA, 0x0051)},
|
/* Edimax */
|
{USB_DEVICE(0x7392, 0x7622)},
|
/* NEC */
|
{USB_DEVICE(0x0409, 0x02B6)},
|
{}
|
};
|
|
MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
|
|
static struct specific_device_id specific_device_id_tbl[] = {
|
{.idVendor = 0x0b05, .idProduct = 0x1791,
|
.flags = SPEC_DEV_ID_DISABLE_HT},
|
{.idVendor = 0x0df6, .idProduct = 0x0059,
|
.flags = SPEC_DEV_ID_DISABLE_HT},
|
{.idVendor = 0x13d3, .idProduct = 0x3306,
|
.flags = SPEC_DEV_ID_DISABLE_HT},
|
{.idVendor = 0x13D3, .idProduct = 0x3311,
|
.flags = SPEC_DEV_ID_DISABLE_HT},
|
{.idVendor = 0x13d3, .idProduct = 0x3335,
|
.flags = SPEC_DEV_ID_DISABLE_HT},
|
{.idVendor = 0x13d3, .idProduct = 0x3336,
|
.flags = SPEC_DEV_ID_DISABLE_HT},
|
{.idVendor = 0x13d3, .idProduct = 0x3340,
|
.flags = SPEC_DEV_ID_DISABLE_HT},
|
{.idVendor = 0x13d3, .idProduct = 0x3341,
|
.flags = SPEC_DEV_ID_DISABLE_HT},
|
{}
|
};
|
|
struct drv_priv {
|
struct usb_driver r871xu_drv;
|
int drv_registered;
|
};
|
|
#ifdef CONFIG_PM
|
static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
|
{
|
struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
|
struct _adapter *padapter = netdev_priv(pnetdev);
|
|
netdev_info(pnetdev, "Suspending...\n");
|
padapter->suspended = true;
|
rtl871x_intf_stop(padapter);
|
if (pnetdev->netdev_ops->ndo_stop)
|
pnetdev->netdev_ops->ndo_stop(pnetdev);
|
mdelay(10);
|
netif_device_detach(pnetdev);
|
return 0;
|
}
|
|
static void rtl871x_intf_resume(struct _adapter *padapter)
|
{
|
if (padapter->dvobjpriv.inirp_init)
|
padapter->dvobjpriv.inirp_init(padapter);
|
}
|
|
static int r871x_resume(struct usb_interface *pusb_intf)
|
{
|
struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
|
struct _adapter *padapter = netdev_priv(pnetdev);
|
|
netdev_info(pnetdev, "Resuming...\n");
|
netif_device_attach(pnetdev);
|
if (pnetdev->netdev_ops->ndo_open)
|
pnetdev->netdev_ops->ndo_open(pnetdev);
|
padapter->suspended = false;
|
rtl871x_intf_resume(padapter);
|
return 0;
|
}
|
#endif
|
|
static struct drv_priv drvpriv = {
|
.r871xu_drv.name = "r8712u",
|
.r871xu_drv.id_table = rtl871x_usb_id_tbl,
|
.r871xu_drv.probe = r871xu_drv_init,
|
.r871xu_drv.disconnect = r871xu_dev_remove,
|
#ifdef CONFIG_PM
|
.r871xu_drv.suspend = r871x_suspend,
|
.r871xu_drv.resume = r871x_resume,
|
#endif
|
};
|
|
static uint r8712_usb_dvobj_init(struct _adapter *padapter)
|
{
|
uint status = _SUCCESS;
|
struct usb_host_interface *phost_iface;
|
struct usb_interface_descriptor *piface_desc;
|
struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
|
struct usb_device *pusbd = pdvobjpriv->pusbdev;
|
|
pdvobjpriv->padapter = padapter;
|
padapter->eeprom_address_size = 6;
|
phost_iface = pintf->cur_altsetting;
|
piface_desc = &phost_iface->desc;
|
pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
|
if (pusbd->speed == USB_SPEED_HIGH) {
|
pdvobjpriv->ishighspeed = true;
|
dev_info(&pusbd->dev, "r8712u: USB_SPEED_HIGH with %d endpoints\n",
|
pdvobjpriv->nr_endpoint);
|
} else {
|
pdvobjpriv->ishighspeed = false;
|
dev_info(&pusbd->dev, "r8712u: USB_SPEED_LOW with %d endpoints\n",
|
pdvobjpriv->nr_endpoint);
|
}
|
if ((r8712_alloc_io_queue(padapter)) == _FAIL)
|
status = _FAIL;
|
return status;
|
}
|
|
static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
|
{
|
r8712_free_io_queue(padapter);
|
}
|
|
void rtl871x_intf_stop(struct _adapter *padapter)
|
{
|
/*disable_hw_interrupt*/
|
if (!padapter->surprise_removed) {
|
/*device still exists, so driver can do i/o operation
|
* TODO:
|
*/
|
}
|
|
/* cancel in irp */
|
if (padapter->dvobjpriv.inirp_deinit)
|
padapter->dvobjpriv.inirp_deinit(padapter);
|
/* cancel out irp */
|
r8712_usb_write_port_cancel(padapter);
|
/* TODO:cancel other irps */
|
}
|
|
void r871x_dev_unload(struct _adapter *padapter)
|
{
|
if (padapter->bup) {
|
/*s1.*/
|
padapter->driver_stopped = true;
|
|
/*s3.*/
|
rtl871x_intf_stop(padapter);
|
|
/*s4.*/
|
r8712_stop_drv_threads(padapter);
|
|
/*s5.*/
|
if (!padapter->surprise_removed) {
|
padapter->hw_init_completed = false;
|
rtl8712_hal_deinit(padapter);
|
}
|
|
padapter->bup = false;
|
}
|
}
|
|
static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
|
struct _adapter *padapter)
|
{
|
u16 vid, pid;
|
u32 flags;
|
int i;
|
int num = ARRAY_SIZE(specific_device_id_tbl);
|
|
for (i = 0; i < num; i++) {
|
vid = specific_device_id_tbl[i].idVendor;
|
pid = specific_device_id_tbl[i].idProduct;
|
flags = specific_device_id_tbl[i].flags;
|
|
if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
|
(flags & SPEC_DEV_ID_DISABLE_HT)) {
|
padapter->registrypriv.ht_enable = 0;
|
padapter->registrypriv.cbw40_enable = 0;
|
padapter->registrypriv.ampdu_enable = 0;
|
}
|
}
|
}
|
|
static const struct device_type wlan_type = {
|
.name = "wlan",
|
};
|
|
/*
|
* drv_init() - a device potentially for us
|
*
|
* notes: drv_init() is called when the bus driver has located a card for us
|
* to support. We accept the new device by returning 0.
|
*/
|
static int r871xu_drv_init(struct usb_interface *pusb_intf,
|
const struct usb_device_id *pdid)
|
{
|
uint status;
|
struct _adapter *padapter = NULL;
|
struct dvobj_priv *pdvobjpriv;
|
struct net_device *pnetdev;
|
struct usb_device *udev;
|
|
/* In this probe function, O.S. will provide the usb interface pointer
|
* to driver. We have to increase the reference count of the usb device
|
* structure by using the usb_get_dev function.
|
*/
|
udev = interface_to_usbdev(pusb_intf);
|
usb_get_dev(udev);
|
pintf = pusb_intf;
|
/* step 1. */
|
pnetdev = r8712_init_netdev();
|
if (!pnetdev)
|
goto put_dev;
|
padapter = netdev_priv(pnetdev);
|
disable_ht_for_spec_devid(pdid, padapter);
|
pdvobjpriv = &padapter->dvobjpriv;
|
pdvobjpriv->padapter = padapter;
|
padapter->dvobjpriv.pusbdev = udev;
|
padapter->pusb_intf = pusb_intf;
|
usb_set_intfdata(pusb_intf, pnetdev);
|
SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
|
pnetdev->dev.type = &wlan_type;
|
/* step 2. */
|
padapter->dvobj_init = r8712_usb_dvobj_init;
|
padapter->dvobj_deinit = r8712_usb_dvobj_deinit;
|
padapter->halpriv.hal_bus_init = r8712_usb_hal_bus_init;
|
padapter->dvobjpriv.inirp_init = r8712_usb_inirp_init;
|
padapter->dvobjpriv.inirp_deinit = r8712_usb_inirp_deinit;
|
/* step 3.
|
* initialize the dvobj_priv
|
*/
|
if (!padapter->dvobj_init) {
|
goto put_dev;
|
} else {
|
status = padapter->dvobj_init(padapter);
|
if (status != _SUCCESS)
|
goto free_netdev;
|
}
|
/* step 4. */
|
status = r8712_init_drv_sw(padapter);
|
if (status)
|
goto dvobj_deinit;
|
/* step 5. read efuse/eeprom data and get mac_addr */
|
{
|
int i, offset;
|
u8 mac[6];
|
u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
|
u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
|
|
tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
|
|
/* To check system boot selection.*/
|
dev_info(&udev->dev, "r8712u: Boot from %s: Autoload %s\n",
|
(tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
|
(tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
|
|
/* To check autoload success or not.*/
|
if (tmpU1b & _EEPROM_EN) {
|
AutoloadFail = true;
|
/* The following operations prevent Efuse leakage by
|
* turning on 2.5V.
|
*/
|
tmpU1b = r8712_read8(padapter, EFUSE_TEST + 3);
|
r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
|
msleep(20);
|
r8712_write8(padapter, EFUSE_TEST + 3,
|
(tmpU1b & (~BIT(7))));
|
|
/* Retrieve Chip version.
|
* Recognize IC version by Reg0x4 BIT15.
|
*/
|
tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
|
0x1F);
|
if (tmpU1b == 0x3)
|
padapter->registrypriv.chip_version =
|
RTL8712_3rdCUT;
|
else
|
padapter->registrypriv.chip_version =
|
(tmpU1b >> 1) + 1;
|
switch (padapter->registrypriv.chip_version) {
|
case RTL8712_1stCUT:
|
case RTL8712_2ndCUT:
|
case RTL8712_3rdCUT:
|
break;
|
default:
|
padapter->registrypriv.chip_version =
|
RTL8712_2ndCUT;
|
break;
|
}
|
|
for (i = 0, offset = 0; i < 128; i += 8, offset++)
|
r8712_efuse_pg_packet_read(padapter, offset,
|
&pdata[i]);
|
|
if (!r8712_initmac || !mac_pton(r8712_initmac, mac)) {
|
/* Use the mac address stored in the Efuse
|
* offset = 0x12 for usb in efuse
|
*/
|
ether_addr_copy(mac, &pdata[0x12]);
|
}
|
eeprom_CustomerID = pdata[0x52];
|
switch (eeprom_CustomerID) {
|
case EEPROM_CID_ALPHA:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_819x_ALPHA;
|
break;
|
case EEPROM_CID_CAMEO:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_819x_CAMEO;
|
break;
|
case EEPROM_CID_SITECOM:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_819x_Sitecom;
|
break;
|
case EEPROM_CID_COREGA:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_COREGA;
|
break;
|
case EEPROM_CID_Senao:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_819x_Senao;
|
break;
|
case EEPROM_CID_EDIMAX_BELKIN:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_819x_Edimax_Belkin;
|
break;
|
case EEPROM_CID_SERCOMM_BELKIN:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_819x_Sercomm_Belkin;
|
break;
|
case EEPROM_CID_WNC_COREGA:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_819x_WNC_COREGA;
|
break;
|
case EEPROM_CID_WHQL:
|
break;
|
case EEPROM_CID_NetCore:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_819x_Netcore;
|
break;
|
case EEPROM_CID_CAMEO1:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_819x_CAMEO1;
|
break;
|
case EEPROM_CID_CLEVO:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_819x_CLEVO;
|
break;
|
default:
|
padapter->eeprompriv.CustomerID =
|
RT_CID_DEFAULT;
|
break;
|
}
|
dev_info(&udev->dev, "r8712u: CustomerID = 0x%.4x\n",
|
padapter->eeprompriv.CustomerID);
|
/* Led mode */
|
switch (padapter->eeprompriv.CustomerID) {
|
case RT_CID_DEFAULT:
|
case RT_CID_819x_ALPHA:
|
case RT_CID_819x_CAMEO:
|
padapter->ledpriv.LedStrategy = SW_LED_MODE1;
|
padapter->ledpriv.bRegUseLed = true;
|
break;
|
case RT_CID_819x_Sitecom:
|
padapter->ledpriv.LedStrategy = SW_LED_MODE2;
|
padapter->ledpriv.bRegUseLed = true;
|
break;
|
case RT_CID_COREGA:
|
case RT_CID_819x_Senao:
|
padapter->ledpriv.LedStrategy = SW_LED_MODE3;
|
padapter->ledpriv.bRegUseLed = true;
|
break;
|
case RT_CID_819x_Edimax_Belkin:
|
padapter->ledpriv.LedStrategy = SW_LED_MODE4;
|
padapter->ledpriv.bRegUseLed = true;
|
break;
|
case RT_CID_819x_Sercomm_Belkin:
|
padapter->ledpriv.LedStrategy = SW_LED_MODE5;
|
padapter->ledpriv.bRegUseLed = true;
|
break;
|
case RT_CID_819x_WNC_COREGA:
|
padapter->ledpriv.LedStrategy = SW_LED_MODE6;
|
padapter->ledpriv.bRegUseLed = true;
|
break;
|
default:
|
padapter->ledpriv.LedStrategy = SW_LED_MODE0;
|
padapter->ledpriv.bRegUseLed = false;
|
break;
|
}
|
} else {
|
AutoloadFail = false;
|
}
|
if ((!AutoloadFail) ||
|
((mac[0] == 0xff) && (mac[1] == 0xff) &&
|
(mac[2] == 0xff) && (mac[3] == 0xff) &&
|
(mac[4] == 0xff) && (mac[5] == 0xff)) ||
|
((mac[0] == 0x00) && (mac[1] == 0x00) &&
|
(mac[2] == 0x00) && (mac[3] == 0x00) &&
|
(mac[4] == 0x00) && (mac[5] == 0x00))) {
|
mac[0] = 0x00;
|
mac[1] = 0xe0;
|
mac[2] = 0x4c;
|
mac[3] = 0x87;
|
mac[4] = 0x00;
|
mac[5] = 0x00;
|
}
|
if (r8712_initmac) {
|
/* Make sure the user did not select a multicast
|
* address by setting bit 1 of first octet.
|
*/
|
mac[0] &= 0xFE;
|
dev_info(&udev->dev,
|
"r8712u: MAC Address from user = %pM\n", mac);
|
} else {
|
dev_info(&udev->dev,
|
"r8712u: MAC Address from efuse = %pM\n", mac);
|
}
|
ether_addr_copy(pnetdev->dev_addr, mac);
|
}
|
/* step 6. Load the firmware asynchronously */
|
if (rtl871x_load_fw(padapter))
|
goto deinit_drv_sw;
|
spin_lock_init(&padapter->lock_rx_ff0_filter);
|
mutex_init(&padapter->mutex_start);
|
return 0;
|
|
deinit_drv_sw:
|
r8712_free_drv_sw(padapter);
|
dvobj_deinit:
|
padapter->dvobj_deinit(padapter);
|
free_netdev:
|
free_netdev(pnetdev);
|
put_dev:
|
usb_put_dev(udev);
|
usb_set_intfdata(pusb_intf, NULL);
|
return -ENODEV;
|
}
|
|
/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
|
* => how to recognize both
|
*/
|
static void r871xu_dev_remove(struct usb_interface *pusb_intf)
|
{
|
struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
|
struct usb_device *udev = interface_to_usbdev(pusb_intf);
|
struct _adapter *padapter = netdev_priv(pnetdev);
|
|
/* never exit with a firmware callback pending */
|
wait_for_completion(&padapter->rtl8712_fw_ready);
|
if (pnetdev->reg_state != NETREG_UNINITIALIZED)
|
unregister_netdev(pnetdev); /* will call netdev_close() */
|
usb_set_intfdata(pusb_intf, NULL);
|
release_firmware(padapter->fw);
|
if (drvpriv.drv_registered)
|
padapter->surprise_removed = true;
|
r8712_flush_rwctrl_works(padapter);
|
r8712_flush_led_works(padapter);
|
udelay(1);
|
/* Stop driver mlme relation timer */
|
r8712_stop_drv_timers(padapter);
|
r871x_dev_unload(padapter);
|
if (padapter->dvobj_deinit)
|
padapter->dvobj_deinit(padapter);
|
r8712_free_drv_sw(padapter);
|
free_netdev(pnetdev);
|
|
/* decrease the reference count of the usb device structure
|
* when disconnect
|
*/
|
usb_put_dev(udev);
|
|
/* If we didn't unplug usb dongle and remove/insert module, driver
|
* fails on sitesurvey for the first time when device is up.
|
* Reset usb port for sitesurvey fail issue.
|
*/
|
if (udev->state != USB_STATE_NOTATTACHED)
|
usb_reset_device(udev);
|
}
|
|
static int __init r8712u_drv_entry(void)
|
{
|
drvpriv.drv_registered = true;
|
return usb_register(&drvpriv.r871xu_drv);
|
}
|
|
static void __exit r8712u_drv_halt(void)
|
{
|
drvpriv.drv_registered = false;
|
usb_deregister(&drvpriv.r871xu_drv);
|
}
|
|
module_init(r8712u_drv_entry);
|
module_exit(r8712u_drv_halt);
|