| /****************************************************************************** |
| * |
| * 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(0x0df6, 0x0076)}, /* Sitecom N150 v2 */ |
| {} /* 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; |
| unsigned long 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__, |
| jiffies_to_msecs(jiffies - start_time)); |
| |
| return 0; |
| } |
| |
| static int rtw_resume_process(struct adapter *padapter) |
| { |
| struct net_device *pnetdev; |
| struct pwrctrl_priv *pwrpriv = NULL; |
| int ret = -1; |
| unsigned long 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, jiffies_to_msecs(jiffies - 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); |
| |
| 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 |
| 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); |
| 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; |
| |
| /* Initialize dvobj_priv */ |
| dvobj = usb_dvobj_init(pusb_intf); |
| if (!dvobj) { |
| 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) { |
| pr_debug("rtw_init_primarystruct adapter Failed!\n"); |
| goto free_dvobj; |
| } |
| |
| 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) |