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- /******************************************************************************
- *
- * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- *
- ******************************************************************************/
- #define pr_fmt(fmt) "R8188EU: " fmt
- #include <osdep_service.h>
- #include <drv_types.h>
- #include <recv_osdep.h>
- #include <xmit_osdep.h>
- #include <hal_intf.h>
- #include <linux/usb.h>
- #include <linux/vmalloc.h>
- #include <mon.h>
- #include <osdep_intf.h>
- #include <usb_ops_linux.h>
- #include <usb_hal.h>
- #include <rtw_ioctl.h>
- #define USB_VENDER_ID_REALTEK 0x0bda
- /* DID_USB_v916_20130116 */
- static struct usb_device_id rtw_usb_id_tbl[] = {
- /*=== Realtek demoboard ===*/
- {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8179)}, /* 8188EUS */
- {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */
- /*=== Customer ID ===*/
- /****** 8188EUS ********/
- {USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */
- {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
- {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
- {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
- {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
- {USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
- {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
- {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
- {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
- {} /* Terminating entry */
- };
- MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
- static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
- {
- int i;
- struct dvobj_priv *pdvobjpriv;
- struct usb_host_config *phost_conf;
- struct usb_config_descriptor *pconf_desc;
- struct usb_host_interface *phost_iface;
- struct usb_interface_descriptor *piface_desc;
- struct usb_endpoint_descriptor *pendp_desc;
- struct usb_device *pusbd;
- pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL);
- if (pdvobjpriv == NULL)
- return NULL;
- pdvobjpriv->pusbintf = usb_intf;
- pusbd = interface_to_usbdev(usb_intf);
- pdvobjpriv->pusbdev = pusbd;
- usb_set_intfdata(usb_intf, pdvobjpriv);
- pdvobjpriv->RtNumInPipes = 0;
- pdvobjpriv->RtNumOutPipes = 0;
- phost_conf = pusbd->actconfig;
- pconf_desc = &phost_conf->desc;
- phost_iface = &usb_intf->altsetting[0];
- piface_desc = &phost_iface->desc;
- pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
- pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
- pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
- for (i = 0; i < pdvobjpriv->nr_endpoint; i++) {
- int ep_num;
- pendp_desc = &phost_iface->endpoint[i].desc;
- ep_num = usb_endpoint_num(pendp_desc);
- if (usb_endpoint_is_bulk_in(pendp_desc)) {
- pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
- pdvobjpriv->RtNumInPipes++;
- } else if (usb_endpoint_is_int_in(pendp_desc)) {
- pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
- pdvobjpriv->RtNumInPipes++;
- } else if (usb_endpoint_is_bulk_out(pendp_desc)) {
- pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
- ep_num;
- pdvobjpriv->RtNumOutPipes++;
- }
- pdvobjpriv->ep_num[i] = ep_num;
- }
- if (pusbd->speed == USB_SPEED_HIGH)
- pdvobjpriv->ishighspeed = true;
- else
- pdvobjpriv->ishighspeed = false;
- mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
- pdvobjpriv->usb_vendor_req_buf = kzalloc(MAX_USB_IO_CTL_SIZE, GFP_KERNEL);
- if (!pdvobjpriv->usb_vendor_req_buf) {
- usb_set_intfdata(usb_intf, NULL);
- kfree(pdvobjpriv);
- return NULL;
- }
- usb_get_dev(pusbd);
- return pdvobjpriv;
- }
- static void usb_dvobj_deinit(struct usb_interface *usb_intf)
- {
- struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
- usb_set_intfdata(usb_intf, NULL);
- if (dvobj) {
- /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
- if ((dvobj->NumInterfaces != 2 &&
- dvobj->NumInterfaces != 3) ||
- (dvobj->InterfaceNumber == 1)) {
- if (interface_to_usbdev(usb_intf)->state !=
- USB_STATE_NOTATTACHED) {
- /* 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. */
- pr_debug("usb attached..., try to reset usb device\n");
- usb_reset_device(interface_to_usbdev(usb_intf));
- }
- }
- kfree(dvobj->usb_vendor_req_buf);
- mutex_destroy(&dvobj->usb_vendor_req_mutex);
- kfree(dvobj);
- }
- usb_put_dev(interface_to_usbdev(usb_intf));
- }
- static void usb_intf_start(struct adapter *padapter)
- {
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_start\n"));
- rtw_hal_inirp_init(padapter);
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_start\n"));
- }
- static void usb_intf_stop(struct adapter *padapter)
- {
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
- /* disable_hw_interrupt */
- if (!padapter->bSurpriseRemoved) {
- /* device still exists, so driver can do i/o operation */
- /* TODO: */
- RT_TRACE(_module_hci_intfs_c_, _drv_err_,
- ("SurpriseRemoved == false\n"));
- }
- /* cancel in irp */
- rtw_hal_inirp_deinit(padapter);
- /* cancel out irp */
- usb_write_port_cancel(padapter);
- /* todo:cancel other irps */
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
- }
- static void rtw_dev_unload(struct adapter *padapter)
- {
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
- if (padapter->bup) {
- pr_debug("===> rtw_dev_unload\n");
- padapter->bDriverStopped = true;
- if (padapter->xmitpriv.ack_tx)
- rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
- /* s3. */
- if (padapter->intf_stop)
- padapter->intf_stop(padapter);
- /* s4. */
- if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
- rtw_stop_drv_threads(padapter);
- /* s5. */
- if (!padapter->bSurpriseRemoved) {
- rtw_hal_deinit(padapter);
- padapter->bSurpriseRemoved = true;
- }
- padapter->bup = false;
- } else {
- RT_TRACE(_module_hci_intfs_c_, _drv_err_,
- ("r871x_dev_unload():padapter->bup == false\n"));
- }
- pr_debug("<=== rtw_dev_unload\n");
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
- }
- static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
- {
- struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
- struct adapter *padapter = dvobj->if1;
- struct net_device *pnetdev = padapter->pnetdev;
- struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
- struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
- u32 start_time = jiffies;
- pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
- if ((!padapter->bup) || (padapter->bDriverStopped) ||
- (padapter->bSurpriseRemoved)) {
- pr_debug("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
- padapter->bup, padapter->bDriverStopped,
- padapter->bSurpriseRemoved);
- goto exit;
- }
- pwrpriv->bInSuspend = true;
- rtw_cancel_all_timer(padapter);
- LeaveAllPowerSaveMode(padapter);
- _enter_pwrlock(&pwrpriv->lock);
- /* s1. */
- if (pnetdev) {
- netif_carrier_off(pnetdev);
- netif_tx_stop_all_queues(pnetdev);
- }
- /* s2. */
- rtw_disassoc_cmd(padapter, 0, false);
- if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
- check_fwstate(pmlmepriv, _FW_LINKED)) {
- pr_debug("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
- __func__, __LINE__,
- pmlmepriv->cur_network.network.Ssid.Ssid,
- pmlmepriv->cur_network.network.MacAddress,
- pmlmepriv->cur_network.network.Ssid.SsidLength,
- pmlmepriv->assoc_ssid.SsidLength);
- pmlmepriv->to_roaming = 1;
- }
- /* s2-2. indicate disconnect to os */
- rtw_indicate_disconnect(padapter);
- /* s2-3. */
- rtw_free_assoc_resources(padapter);
- /* s2-4. */
- rtw_free_network_queue(padapter, true);
- rtw_dev_unload(padapter);
- _exit_pwrlock(&pwrpriv->lock);
- if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
- rtw_indicate_scan_done(padapter, 1);
- if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
- rtw_indicate_disconnect(padapter);
- exit:
- pr_debug("<=== %s .............. in %dms\n", __func__,
- rtw_get_passing_time_ms(start_time));
- return 0;
- }
- static int rtw_resume_process(struct adapter *padapter)
- {
- struct net_device *pnetdev;
- struct pwrctrl_priv *pwrpriv = NULL;
- int ret = -1;
- u32 start_time = jiffies;
- pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
- if (padapter) {
- pnetdev = padapter->pnetdev;
- pwrpriv = &padapter->pwrctrlpriv;
- } else {
- goto exit;
- }
- _enter_pwrlock(&pwrpriv->lock);
- rtw_reset_drv_sw(padapter);
- pwrpriv->bkeepfwalive = false;
- pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
- if (pm_netdev_open(pnetdev, true) != 0)
- goto exit;
- netif_device_attach(pnetdev);
- netif_carrier_on(pnetdev);
- _exit_pwrlock(&pwrpriv->lock);
- rtw_roaming(padapter, NULL);
- ret = 0;
- exit:
- if (pwrpriv)
- pwrpriv->bInSuspend = false;
- pr_debug("<=== %s return %d.............. in %dms\n", __func__,
- ret, rtw_get_passing_time_ms(start_time));
- return ret;
- }
- static int rtw_resume(struct usb_interface *pusb_intf)
- {
- struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
- struct adapter *padapter = dvobj->if1;
- return rtw_resume_process(padapter);
- }
- /*
- * 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 struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
- struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
- {
- struct adapter *padapter = NULL;
- struct net_device *pnetdev = NULL;
- struct net_device *pmondev;
- int status = _FAIL;
- padapter = (struct adapter *)vzalloc(sizeof(*padapter));
- if (padapter == NULL)
- goto exit;
- padapter->dvobj = dvobj;
- dvobj->if1 = padapter;
- padapter->bDriverStopped = true;
- mutex_init(&padapter->hw_init_mutex);
- padapter->chip_type = RTL8188E;
- pnetdev = rtw_init_netdev(padapter);
- if (pnetdev == NULL)
- goto free_adapter;
- SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
- padapter = rtw_netdev_priv(pnetdev);
- if (padapter->registrypriv.monitor_enable) {
- pmondev = rtl88eu_mon_init();
- if (pmondev == NULL)
- netdev_warn(pnetdev, "Failed to initialize monitor interface");
- padapter->pmondev = pmondev;
- }
- /* step 2. hook HalFunc, allocate HalData */
- hal_set_hal_ops(padapter);
- padapter->intf_start = &usb_intf_start;
- padapter->intf_stop = &usb_intf_stop;
- /* step read_chip_version */
- rtw_hal_read_chip_version(padapter);
- /* step usb endpoint mapping */
- rtw_hal_chip_configure(padapter);
- /* step read efuse/eeprom data and get mac_addr */
- rtw_hal_read_chip_info(padapter);
- /* step 5. */
- if (rtw_init_drv_sw(padapter) == _FAIL) {
- RT_TRACE(_module_hci_intfs_c_, _drv_err_,
- ("Initialize driver software resource Failed!\n"));
- goto free_hal_data;
- }
- #ifdef CONFIG_PM
- if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
- dvobj->pusbdev->do_remote_wakeup = 1;
- pusb_intf->needs_remote_wakeup = 1;
- device_init_wakeup(&pusb_intf->dev, 1);
- pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
- pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
- device_may_wakeup(&pusb_intf->dev));
- }
- #endif
- /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
- * suspend influence */
- if (usb_autopm_get_interface(pusb_intf) < 0)
- pr_debug("can't get autopm:\n");
- /* alloc dev name after read efuse. */
- rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
- rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
- memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
- pr_debug("MAC Address from pnetdev->dev_addr = %pM\n",
- pnetdev->dev_addr);
- /* step 6. Tell the network stack we exist */
- if (register_netdev(pnetdev) != 0) {
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
- goto free_hal_data;
- }
- pr_debug("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
- , padapter->bDriverStopped
- , padapter->bSurpriseRemoved
- , padapter->bup
- , padapter->hw_init_completed
- );
- status = _SUCCESS;
- free_hal_data:
- if (status != _SUCCESS)
- kfree(padapter->HalData);
- free_adapter:
- if (status != _SUCCESS) {
- if (pnetdev)
- rtw_free_netdev(pnetdev);
- else if (padapter)
- vfree(padapter);
- padapter = NULL;
- }
- exit:
- return padapter;
- }
- static void rtw_usb_if1_deinit(struct adapter *if1)
- {
- struct net_device *pnetdev = if1->pnetdev;
- struct mlme_priv *pmlmepriv = &if1->mlmepriv;
- if (check_fwstate(pmlmepriv, _FW_LINKED))
- rtw_disassoc_cmd(if1, 0, false);
- #ifdef CONFIG_88EU_AP_MODE
- free_mlme_ap_info(if1);
- #endif
- if (pnetdev) {
- /* will call netdev_close() */
- unregister_netdev(pnetdev);
- rtw_proc_remove_one(pnetdev);
- }
- rtl88eu_mon_deinit(if1->pmondev);
- rtw_cancel_all_timer(if1);
- rtw_dev_unload(if1);
- pr_debug("+r871xu_dev_remove, hw_init_completed=%d\n",
- if1->hw_init_completed);
- rtw_free_drv_sw(if1);
- if (pnetdev)
- rtw_free_netdev(pnetdev);
- }
- static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
- {
- struct adapter *if1 = NULL;
- struct dvobj_priv *dvobj;
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_init\n"));
- /* Initialize dvobj_priv */
- dvobj = usb_dvobj_init(pusb_intf);
- if (dvobj == NULL) {
- RT_TRACE(_module_hci_intfs_c_, _drv_err_,
- ("initialize device object priv Failed!\n"));
- goto exit;
- }
- if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
- if (if1 == NULL) {
- pr_debug("rtw_init_primarystruct adapter Failed!\n");
- goto free_dvobj;
- }
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
- return 0;
- free_dvobj:
- usb_dvobj_deinit(pusb_intf);
- exit:
- return -ENODEV;
- }
- /*
- * dev_remove() - our device is being removed
- */
- /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
- static void rtw_dev_remove(struct usb_interface *pusb_intf)
- {
- struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
- struct adapter *padapter = dvobj->if1;
- pr_debug("+rtw_dev_remove\n");
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
- if (!pusb_intf->unregistering)
- padapter->bSurpriseRemoved = true;
- rtw_pm_set_ips(padapter, IPS_NONE);
- rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
- LeaveAllPowerSaveMode(padapter);
- rtw_usb_if1_deinit(padapter);
- usb_dvobj_deinit(pusb_intf);
- RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
- pr_debug("-r871xu_dev_remove, done\n");
- }
- static struct usb_driver rtl8188e_usb_drv = {
- .name = "r8188eu",
- .probe = rtw_drv_init,
- .disconnect = rtw_dev_remove,
- .id_table = rtw_usb_id_tbl,
- .suspend = rtw_suspend,
- .resume = rtw_resume,
- .reset_resume = rtw_resume,
- };
- module_usb_driver(rtl8188e_usb_drv)
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