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![Gonçalo Salazar](/assets/img/avatar_default.png)
Fixed a block comment indentation in the rtl8712 usb_intf.c file. Signed-off-by: Gonçalo Salazar <glbsalazar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
665 lines
18 KiB
C
665 lines
18 KiB
C
/******************************************************************************
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* usb_intf.c
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*
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* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
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* Linux device driver for RTL8192SU
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* Modifications for inclusion into the Linux staging tree are
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* Copyright(c) 2010 Larry Finger. All rights reserved.
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*
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* Contact information:
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* WLAN FAE <wlanfae@realtek.com>
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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******************************************************************************/
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#define _HCI_INTF_C_
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#include <linux/usb.h>
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#include <linux/module.h>
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#include <linux/firmware.h>
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#include "osdep_service.h"
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#include "drv_types.h"
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#include "recv_osdep.h"
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#include "xmit_osdep.h"
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#include "rtl8712_efuse.h"
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#include "usb_ops.h"
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#include "usb_osintf.h"
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static struct usb_interface *pintf;
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static int r871xu_drv_init(struct usb_interface *pusb_intf,
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const struct usb_device_id *pdid);
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static void r871xu_dev_remove(struct usb_interface *pusb_intf);
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static struct usb_device_id rtl871x_usb_id_tbl[] = {
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/* RTL8188SU */
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/* Realtek */
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{USB_DEVICE(0x0BDA, 0x8171)},
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{USB_DEVICE(0x0bda, 0x8173)},
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{USB_DEVICE(0x0bda, 0x8712)},
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{USB_DEVICE(0x0bda, 0x8713)},
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{USB_DEVICE(0x0bda, 0xC512)},
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/* Abocom */
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{USB_DEVICE(0x07B8, 0x8188)},
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/* ASUS */
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{USB_DEVICE(0x0B05, 0x1786)},
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{USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
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/* Belkin */
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{USB_DEVICE(0x050D, 0x945A)},
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/* ISY IWL - Belkin clone */
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{USB_DEVICE(0x050D, 0x11F1)},
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/* Corega */
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{USB_DEVICE(0x07AA, 0x0047)},
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/* D-Link */
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{USB_DEVICE(0x2001, 0x3306)},
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{USB_DEVICE(0x07D1, 0x3306)}, /* 11n mode disable */
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/* Edimax */
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{USB_DEVICE(0x7392, 0x7611)},
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/* EnGenius */
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{USB_DEVICE(0x1740, 0x9603)},
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/* Hawking */
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{USB_DEVICE(0x0E66, 0x0016)},
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/* Hercules */
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{USB_DEVICE(0x06F8, 0xE034)},
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{USB_DEVICE(0x06F8, 0xE032)},
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/* Logitec */
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{USB_DEVICE(0x0789, 0x0167)},
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/* PCI */
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{USB_DEVICE(0x2019, 0xAB28)},
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{USB_DEVICE(0x2019, 0xED16)},
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/* Sitecom */
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{USB_DEVICE(0x0DF6, 0x0057)},
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{USB_DEVICE(0x0DF6, 0x0045)},
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{USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
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{USB_DEVICE(0x0DF6, 0x004B)},
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{USB_DEVICE(0x0DF6, 0x005B)},
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{USB_DEVICE(0x0DF6, 0x005D)},
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{USB_DEVICE(0x0DF6, 0x0063)},
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/* Sweex */
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{USB_DEVICE(0x177F, 0x0154)},
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/* Thinkware */
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{USB_DEVICE(0x0BDA, 0x5077)},
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/* Toshiba */
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{USB_DEVICE(0x1690, 0x0752)},
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/* - */
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{USB_DEVICE(0x20F4, 0x646B)},
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{USB_DEVICE(0x083A, 0xC512)},
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{USB_DEVICE(0x25D4, 0x4CA1)},
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{USB_DEVICE(0x25D4, 0x4CAB)},
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/* RTL8191SU */
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/* Realtek */
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{USB_DEVICE(0x0BDA, 0x8172)},
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{USB_DEVICE(0x0BDA, 0x8192)},
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/* Amigo */
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{USB_DEVICE(0x0EB0, 0x9061)},
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/* ASUS/EKB */
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{USB_DEVICE(0x13D3, 0x3323)},
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{USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
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{USB_DEVICE(0x13D3, 0x3342)},
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/* ASUS/EKBLenovo */
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{USB_DEVICE(0x13D3, 0x3333)},
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{USB_DEVICE(0x13D3, 0x3334)},
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{USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
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{USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
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/* ASUS/Media BOX */
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{USB_DEVICE(0x13D3, 0x3309)},
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/* Belkin */
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{USB_DEVICE(0x050D, 0x815F)},
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/* D-Link */
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{USB_DEVICE(0x07D1, 0x3302)},
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{USB_DEVICE(0x07D1, 0x3300)},
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{USB_DEVICE(0x07D1, 0x3303)},
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/* Edimax */
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{USB_DEVICE(0x7392, 0x7612)},
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/* EnGenius */
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{USB_DEVICE(0x1740, 0x9605)},
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/* Guillemot */
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{USB_DEVICE(0x06F8, 0xE031)},
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/* Hawking */
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{USB_DEVICE(0x0E66, 0x0015)},
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/* Mediao */
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{USB_DEVICE(0x13D3, 0x3306)},
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/* PCI */
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{USB_DEVICE(0x2019, 0xED18)},
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{USB_DEVICE(0x2019, 0x4901)},
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/* Sitecom */
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{USB_DEVICE(0x0DF6, 0x0058)},
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{USB_DEVICE(0x0DF6, 0x0049)},
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{USB_DEVICE(0x0DF6, 0x004C)},
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{USB_DEVICE(0x0DF6, 0x006C)},
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{USB_DEVICE(0x0DF6, 0x0064)},
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/* Skyworth */
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{USB_DEVICE(0x14b2, 0x3300)},
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{USB_DEVICE(0x14b2, 0x3301)},
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{USB_DEVICE(0x14B2, 0x3302)},
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/* - */
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{USB_DEVICE(0x04F2, 0xAFF2)},
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{USB_DEVICE(0x04F2, 0xAFF5)},
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{USB_DEVICE(0x04F2, 0xAFF6)},
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{USB_DEVICE(0x13D3, 0x3339)},
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{USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
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{USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
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{USB_DEVICE(0x13D3, 0x3310)},
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{USB_DEVICE(0x13D3, 0x3325)},
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/* RTL8192SU */
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/* Realtek */
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{USB_DEVICE(0x0BDA, 0x8174)},
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/* Belkin */
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{USB_DEVICE(0x050D, 0x845A)},
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/* Corega */
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{USB_DEVICE(0x07AA, 0x0051)},
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/* Edimax */
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{USB_DEVICE(0x7392, 0x7622)},
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/* NEC */
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{USB_DEVICE(0x0409, 0x02B6)},
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{}
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};
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MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
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static struct specific_device_id specific_device_id_tbl[] = {
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{.idVendor = 0x0b05, .idProduct = 0x1791,
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.flags = SPEC_DEV_ID_DISABLE_HT},
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{.idVendor = 0x0df6, .idProduct = 0x0059,
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.flags = SPEC_DEV_ID_DISABLE_HT},
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{.idVendor = 0x13d3, .idProduct = 0x3306,
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.flags = SPEC_DEV_ID_DISABLE_HT},
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{.idVendor = 0x13D3, .idProduct = 0x3311,
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.flags = SPEC_DEV_ID_DISABLE_HT},
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{.idVendor = 0x13d3, .idProduct = 0x3335,
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.flags = SPEC_DEV_ID_DISABLE_HT},
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{.idVendor = 0x13d3, .idProduct = 0x3336,
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.flags = SPEC_DEV_ID_DISABLE_HT},
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{.idVendor = 0x13d3, .idProduct = 0x3340,
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.flags = SPEC_DEV_ID_DISABLE_HT},
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{.idVendor = 0x13d3, .idProduct = 0x3341,
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.flags = SPEC_DEV_ID_DISABLE_HT},
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{}
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};
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struct drv_priv {
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struct usb_driver r871xu_drv;
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int drv_registered;
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};
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#ifdef CONFIG_PM
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static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
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{
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struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
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struct _adapter *padapter = netdev_priv(pnetdev);
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netdev_info(pnetdev, "Suspending...\n");
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if (!pnetdev || !netif_running(pnetdev)) {
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netdev_info(pnetdev, "Unable to suspend\n");
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return 0;
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}
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padapter->bSuspended = true;
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rtl871x_intf_stop(padapter);
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if (pnetdev->netdev_ops->ndo_stop)
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pnetdev->netdev_ops->ndo_stop(pnetdev);
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mdelay(10);
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netif_device_detach(pnetdev);
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return 0;
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}
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static void rtl871x_intf_resume(struct _adapter *padapter)
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{
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if (padapter->dvobjpriv.inirp_init)
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padapter->dvobjpriv.inirp_init(padapter);
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}
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static int r871x_resume(struct usb_interface *pusb_intf)
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{
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struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
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struct _adapter *padapter = netdev_priv(pnetdev);
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netdev_info(pnetdev, "Resuming...\n");
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if (!pnetdev || !netif_running(pnetdev)) {
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netdev_info(pnetdev, "Unable to resume\n");
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return 0;
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}
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netif_device_attach(pnetdev);
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if (pnetdev->netdev_ops->ndo_open)
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pnetdev->netdev_ops->ndo_open(pnetdev);
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padapter->bSuspended = false;
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rtl871x_intf_resume(padapter);
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return 0;
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}
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static int r871x_reset_resume(struct usb_interface *pusb_intf)
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{
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/* dummy routine */
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return 0;
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}
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#endif
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static struct drv_priv drvpriv = {
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.r871xu_drv.name = "r8712u",
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.r871xu_drv.id_table = rtl871x_usb_id_tbl,
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.r871xu_drv.probe = r871xu_drv_init,
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.r871xu_drv.disconnect = r871xu_dev_remove,
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#ifdef CONFIG_PM
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.r871xu_drv.suspend = r871x_suspend,
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.r871xu_drv.resume = r871x_resume,
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.r871xu_drv.reset_resume = r871x_reset_resume,
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#endif
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};
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static uint r8712_usb_dvobj_init(struct _adapter *padapter)
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{
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uint status = _SUCCESS;
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struct usb_host_interface *phost_iface;
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struct usb_interface_descriptor *piface_desc;
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struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
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struct usb_device *pusbd = pdvobjpriv->pusbdev;
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pdvobjpriv->padapter = padapter;
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padapter->EepromAddressSize = 6;
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phost_iface = &pintf->altsetting[0];
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piface_desc = &phost_iface->desc;
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pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
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if (pusbd->speed == USB_SPEED_HIGH) {
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pdvobjpriv->ishighspeed = true;
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dev_info(&pusbd->dev, "r8712u: USB_SPEED_HIGH with %d endpoints\n",
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pdvobjpriv->nr_endpoint);
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} else {
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pdvobjpriv->ishighspeed = false;
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dev_info(&pusbd->dev, "r8712u: USB_SPEED_LOW with %d endpoints\n",
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pdvobjpriv->nr_endpoint);
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}
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if ((r8712_alloc_io_queue(padapter)) == _FAIL)
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status = _FAIL;
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return status;
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}
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static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
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{
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}
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void rtl871x_intf_stop(struct _adapter *padapter)
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{
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/*disable_hw_interrupt*/
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if (!padapter->bSurpriseRemoved) {
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/*device still exists, so driver can do i/o operation
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* TODO:
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*/
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}
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/* cancel in irp */
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if (padapter->dvobjpriv.inirp_deinit)
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padapter->dvobjpriv.inirp_deinit(padapter);
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/* cancel out irp */
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r8712_usb_write_port_cancel(padapter);
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/* TODO:cancel other irps */
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}
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void r871x_dev_unload(struct _adapter *padapter)
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{
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if (padapter->bup) {
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/*s1.*/
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padapter->bDriverStopped = true;
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/*s3.*/
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rtl871x_intf_stop(padapter);
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/*s4.*/
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r8712_stop_drv_threads(padapter);
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/*s5.*/
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if (!padapter->bSurpriseRemoved) {
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padapter->hw_init_completed = false;
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rtl8712_hal_deinit(padapter);
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}
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/*s6.*/
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if (padapter->dvobj_deinit)
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padapter->dvobj_deinit(padapter);
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padapter->bup = false;
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}
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}
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static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
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struct _adapter *padapter)
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{
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u16 vid, pid;
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u32 flags;
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int i;
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int num = ARRAY_SIZE(specific_device_id_tbl);
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for (i = 0; i < num; i++) {
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vid = specific_device_id_tbl[i].idVendor;
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pid = specific_device_id_tbl[i].idProduct;
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flags = specific_device_id_tbl[i].flags;
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if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
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(flags & SPEC_DEV_ID_DISABLE_HT)) {
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padapter->registrypriv.ht_enable = 0;
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padapter->registrypriv.cbw40_enable = 0;
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padapter->registrypriv.ampdu_enable = 0;
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}
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}
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}
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static const struct device_type wlan_type = {
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.name = "wlan",
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};
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/*
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* drv_init() - a device potentially for us
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*
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* notes: drv_init() is called when the bus driver has located a card for us
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* to support. We accept the new device by returning 0.
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*/
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static int r871xu_drv_init(struct usb_interface *pusb_intf,
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const struct usb_device_id *pdid)
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{
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uint status;
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struct _adapter *padapter = NULL;
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struct dvobj_priv *pdvobjpriv;
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struct net_device *pnetdev;
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struct usb_device *udev;
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/* In this probe function, O.S. will provide the usb interface pointer
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* to driver. We have to increase the reference count of the usb device
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* structure by using the usb_get_dev function.
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*/
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udev = interface_to_usbdev(pusb_intf);
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usb_get_dev(udev);
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pintf = pusb_intf;
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/* step 1. */
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pnetdev = r8712_init_netdev();
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if (!pnetdev)
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goto error;
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padapter = netdev_priv(pnetdev);
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disable_ht_for_spec_devid(pdid, padapter);
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pdvobjpriv = &padapter->dvobjpriv;
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pdvobjpriv->padapter = padapter;
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padapter->dvobjpriv.pusbdev = udev;
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padapter->pusb_intf = pusb_intf;
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usb_set_intfdata(pusb_intf, pnetdev);
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SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
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pnetdev->dev.type = &wlan_type;
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/* step 2. */
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padapter->dvobj_init = r8712_usb_dvobj_init;
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padapter->dvobj_deinit = r8712_usb_dvobj_deinit;
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padapter->halpriv.hal_bus_init = r8712_usb_hal_bus_init;
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padapter->dvobjpriv.inirp_init = r8712_usb_inirp_init;
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padapter->dvobjpriv.inirp_deinit = r8712_usb_inirp_deinit;
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/* step 3.
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* initialize the dvobj_priv
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*/
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if (!padapter->dvobj_init) {
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goto error;
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} else {
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status = padapter->dvobj_init(padapter);
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if (status != _SUCCESS)
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goto error;
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}
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/* step 4. */
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status = r8712_init_drv_sw(padapter);
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if (status == _FAIL)
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goto error;
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/* step 5. read efuse/eeprom data and get mac_addr */
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{
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int i, offset;
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u8 mac[6];
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u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
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u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
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tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
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/* To check system boot selection.*/
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dev_info(&udev->dev, "r8712u: Boot from %s: Autoload %s\n",
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(tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
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(tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
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/* To check autoload success or not.*/
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if (tmpU1b & _EEPROM_EN) {
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AutoloadFail = true;
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/* The following operations prevent Efuse leakage by
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* turning on 2.5V.
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*/
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tmpU1b = r8712_read8(padapter, EFUSE_TEST + 3);
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r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
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msleep(20);
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r8712_write8(padapter, EFUSE_TEST + 3,
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(tmpU1b & (~BIT(7))));
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|
|
|
/* 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 (((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)) ||
|
|
(!AutoloadFail)) {
|
|
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 error;
|
|
spin_lock_init(&padapter->lockRxFF0Filter);
|
|
mutex_init(&padapter->mutex_start);
|
|
return 0;
|
|
error:
|
|
usb_put_dev(udev);
|
|
usb_set_intfdata(pusb_intf, NULL);
|
|
if (padapter && padapter->dvobj_deinit != NULL)
|
|
padapter->dvobj_deinit(padapter);
|
|
if (pnetdev)
|
|
free_netdev(pnetdev);
|
|
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);
|
|
|
|
if (pnetdev) {
|
|
struct _adapter *padapter = netdev_priv(pnetdev);
|
|
|
|
usb_set_intfdata(pusb_intf, NULL);
|
|
release_firmware(padapter->fw);
|
|
/* never exit with a firmware callback pending */
|
|
wait_for_completion(&padapter->rtl8712_fw_ready);
|
|
if (drvpriv.drv_registered)
|
|
padapter->bSurpriseRemoved = true;
|
|
unregister_netdev(pnetdev); /* will call netdev_close() */
|
|
flush_scheduled_work();
|
|
udelay(1);
|
|
/* Stop driver mlme relation timer */
|
|
r8712_stop_drv_timers(padapter);
|
|
r871x_dev_unload(padapter);
|
|
r8712_free_drv_sw(padapter);
|
|
|
|
/* 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);
|