| // SPDX-License-Identifier: GPL-2.0 |
| /* Copyright(c) 2007 - 2011 Realtek Corporation. */ |
| |
| #include <linux/usb.h> |
| #include "../include/osdep_service.h" |
| #include "../include/drv_types.h" |
| #include "../include/recv_osdep.h" |
| #include "../include/xmit_osdep.h" |
| #include "../include/hal_intf.h" |
| #include "../include/osdep_intf.h" |
| #include "../include/usb_vendor_req.h" |
| #include "../include/usb_ops.h" |
| #include "../include/usb_osintf.h" |
| #include "../include/rtw_ioctl.h" |
| #include "../include/rtl8188e_hal.h" |
| |
| int ui_pid[3] = {0, 0, 0}; |
| |
| static int rtw_suspend(struct usb_interface *intf, pm_message_t message); |
| static int rtw_resume(struct usb_interface *intf); |
| |
| static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid); |
| static void rtw_dev_remove(struct usb_interface *pusb_intf); |
| |
| #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 */ |
| {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xf179)}, /* 8188FU */ |
| /*=== Customer ID ===*/ |
| /****** 8188EUS ********/ |
| {USB_DEVICE(0x07B8, 0x8179)}, /* Abocom - Abocom */ |
| {USB_DEVICE(0x0DF6, 0x0076)}, /* Sitecom N150 v2 */ |
| {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(0x056E, 0x4008)}, /* Elecom WDC-150SU2M */ |
| {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */ |
| {USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */ |
| {USB_DEVICE(0x2C4E, 0x0102)}, /* MERCUSYS MW150US v2 */ |
| {USB_DEVICE(0x0B05, 0x18F0)}, /* ASUS USB-N10 Nano B1 */ |
| {USB_DEVICE(0x7392, 0xb811)}, /* Edimax EW-7811Un V2 */ |
| {} /* Terminating entry */ |
| }; |
| |
| MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl); |
| |
| struct rtw_usb_drv { |
| struct usb_driver usbdrv; |
| int drv_registered; |
| struct mutex hw_init_mutex; |
| }; |
| |
| static struct rtw_usb_drv rtl8188e_usb_drv = { |
| .usbdrv.name = "r8188eu", |
| .usbdrv.probe = rtw_drv_init, |
| .usbdrv.disconnect = rtw_dev_remove, |
| .usbdrv.id_table = rtw_usb_id_tbl, |
| .usbdrv.suspend = rtw_suspend, |
| .usbdrv.resume = rtw_resume, |
| .usbdrv.reset_resume = rtw_resume, |
| }; |
| |
| static struct rtw_usb_drv *usb_drv = &rtl8188e_usb_drv; |
| |
| 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) |
| goto exit; |
| |
| 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; |
| DBG_88E("USB_SPEED_HIGH\n"); |
| } else { |
| pdvobjpriv->ishighspeed = false; |
| DBG_88E("NON USB_SPEED_HIGH\n"); |
| } |
| |
| /* 3 misc */ |
| sema_init(&pdvobjpriv->usb_suspend_sema, 0); |
| rtw_reset_continual_urb_error(pdvobjpriv); |
| |
| usb_get_dev(pusbd); |
| |
| exit: |
| 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. */ |
| DBG_88E("usb attached..., try to reset usb device\n"); |
| usb_reset_device(interface_to_usbdev(usb_intf)); |
| } |
| } |
| kfree(dvobj); |
| } |
| |
| usb_put_dev(interface_to_usbdev(usb_intf)); |
| |
| } |
| |
| static void usb_intf_start(struct adapter *padapter) |
| { |
| rtl8188eu_inirp_init(padapter); |
| } |
| |
| static void usb_intf_stop(struct adapter *padapter) |
| { |
| /* cancel in irp */ |
| rtw_read_port_cancel(padapter); |
| |
| /* cancel out irp */ |
| rtw_write_port_cancel(padapter); |
| |
| /* todo:cancel other irps */ |
| } |
| |
| static void rtw_dev_unload(struct adapter *padapter) |
| { |
| if (padapter->bup) { |
| DBG_88E("===> 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; |
| } |
| |
| DBG_88E("<=== 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; |
| |
| int ret = 0; |
| u32 start_time = jiffies; |
| |
| |
| DBG_88E("==> %s (%s:%d)\n", __func__, current->comm, current->pid); |
| |
| if ((!padapter->bup) || (padapter->bDriverStopped) || |
| (padapter->bSurpriseRemoved)) { |
| DBG_88E("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); |
| |
| mutex_lock(&pwrpriv->lock); |
| /* s1. */ |
| if (pnetdev) { |
| netif_carrier_off(pnetdev); |
| rtw_netif_stop_queue(pnetdev); |
| } |
| |
| /* s2. */ |
| rtw_disassoc_cmd(padapter, 0, false); |
| |
| if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) && |
| check_fwstate(pmlmepriv, _FW_LINKED)) { |
| DBG_88E("%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, 1); |
| /* s2-4. */ |
| rtw_free_network_queue(padapter, true); |
| |
| rtw_dev_unload(padapter); |
| mutex_unlock(&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: |
| DBG_88E("<=== %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; |
| struct net_device *pnetdev; |
| struct pwrctrl_priv *pwrpriv = NULL; |
| int ret = -1; |
| u32 start_time = jiffies; |
| |
| DBG_88E("==> %s (%s:%d)\n", __func__, current->comm, current->pid); |
| |
| pnetdev = padapter->pnetdev; |
| pwrpriv = &padapter->pwrctrlpriv; |
| |
| mutex_lock(&pwrpriv->lock); |
| rtw_reset_drv_sw(padapter); |
| if (pwrpriv) |
| pwrpriv->bkeepfwalive = false; |
| |
| DBG_88E("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive); |
| if (pm_netdev_open(pnetdev, true) != 0) { |
| mutex_unlock(&pwrpriv->lock); |
| goto exit; |
| } |
| |
| netif_device_attach(pnetdev); |
| netif_carrier_on(pnetdev); |
| |
| mutex_unlock(&pwrpriv->lock); |
| |
| if (padapter->pid[1] != 0) { |
| DBG_88E("pid[1]:%d\n", padapter->pid[1]); |
| rtw_signal_process(padapter->pid[1], SIGUSR2); |
| } |
| |
| rtw_roaming(padapter, NULL); |
| |
| ret = 0; |
| exit: |
| if (pwrpriv) |
| pwrpriv->bInSuspend = false; |
| DBG_88E("<=== %s return %d.............. in %dms\n", __func__, |
| ret, rtw_get_passing_time_ms(start_time)); |
| |
| |
| return ret; |
| } |
| |
| /* |
| * 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) |
| { |
| struct adapter *padapter = NULL; |
| struct net_device *pnetdev = NULL; |
| int status = _FAIL; |
| struct io_priv *piopriv; |
| struct intf_hdl *pintf; |
| |
| padapter = vzalloc(sizeof(*padapter)); |
| if (!padapter) |
| goto exit; |
| padapter->dvobj = dvobj; |
| dvobj->if1 = padapter; |
| |
| padapter->bDriverStopped = true; |
| |
| padapter->hw_init_mutex = &usb_drv->hw_init_mutex; |
| |
| if (rtw_handle_dualmac(padapter, 1) != _SUCCESS) |
| goto free_adapter; |
| |
| pnetdev = rtw_init_netdev(padapter); |
| if (!pnetdev) |
| goto handle_dualmac; |
| SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj)); |
| padapter = rtw_netdev_priv(pnetdev); |
| |
| /* step 2. allocate HalData */ |
| rtl8188eu_alloc_haldata(padapter); |
| |
| padapter->intf_start = &usb_intf_start; |
| padapter->intf_stop = &usb_intf_stop; |
| |
| /* step init_io_priv */ |
| piopriv = &padapter->iopriv; |
| pintf = &piopriv->intf; |
| piopriv->padapter = padapter; |
| pintf->padapter = padapter; |
| pintf->pintf_dev = adapter_to_dvobj(padapter); |
| |
| /* step read_chip_version */ |
| rtl8188e_read_chip_version(padapter); |
| |
| /* step usb endpoint mapping */ |
| rtl8188eu_interface_configure(padapter); |
| |
| /* step read efuse/eeprom data and get mac_addr */ |
| ReadAdapterInfo8188EU(padapter); |
| |
| /* step 5. */ |
| if (rtw_init_drv_sw(padapter) == _FAIL) |
| 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); |
| DBG_88E("\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) |
| DBG_88E("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); |
| rtw_init_wifidirect_addrs(padapter, padapter->eeprompriv.mac_addr, |
| padapter->eeprompriv.mac_addr); |
| eth_hw_addr_set(pnetdev, padapter->eeprompriv.mac_addr); |
| DBG_88E("MAC Address from pnetdev->dev_addr = %pM\n", |
| pnetdev->dev_addr); |
| |
| /* step 6. Tell the network stack we exist */ |
| if (register_netdev(pnetdev) != 0) |
| goto free_hal_data; |
| |
| DBG_88E("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); |
| handle_dualmac: |
| if (status != _SUCCESS) |
| rtw_handle_dualmac(padapter, 0); |
| 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); |
| |
| free_mlme_ap_info(if1); |
| |
| if (if1->DriverState != DRIVER_DISAPPEAR) { |
| if (pnetdev) { |
| /* will call netdev_close() */ |
| unregister_netdev(pnetdev); |
| } |
| } |
| rtw_cancel_all_timer(if1); |
| |
| rtw_dev_unload(if1); |
| DBG_88E("+r871xu_dev_remove, hw_init_completed=%d\n", |
| if1->hw_init_completed); |
| rtw_handle_dualmac(if1, 0); |
| 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; |
| |
| /* Initialize dvobj_priv */ |
| dvobj = usb_dvobj_init(pusb_intf); |
| if (!dvobj) |
| goto err; |
| |
| if1 = rtw_usb_if1_init(dvobj, pusb_intf); |
| if (!if1) { |
| DBG_88E("rtw_init_primarystruct adapter Failed!\n"); |
| goto free_dvobj; |
| } |
| |
| if (ui_pid[1] != 0) { |
| DBG_88E("ui_pid[1]:%d\n", ui_pid[1]); |
| rtw_signal_process(ui_pid[1], SIGUSR2); |
| } |
| |
| return 0; |
| |
| free_dvobj: |
| usb_dvobj_deinit(pusb_intf); |
| err: |
| 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; |
| |
| DBG_88E("+rtw_dev_remove\n"); |
| |
| if (usb_drv->drv_registered) |
| 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); |
| |
| DBG_88E("-r871xu_dev_remove, done\n"); |
| } |
| |
| static int __init rtw_drv_entry(void) |
| { |
| DBG_88E(DRV_NAME " driver version=%s\n", DRIVERVERSION); |
| |
| mutex_init(&usb_drv->hw_init_mutex); |
| |
| usb_drv->drv_registered = true; |
| return usb_register(&usb_drv->usbdrv); |
| } |
| |
| static void __exit rtw_drv_halt(void) |
| { |
| DBG_88E("+rtw_drv_halt\n"); |
| |
| usb_drv->drv_registered = false; |
| usb_deregister(&usb_drv->usbdrv); |
| |
| mutex_destroy(&usb_drv->hw_init_mutex); |
| DBG_88E("-rtw_drv_halt\n"); |
| } |
| |
| module_init(rtw_drv_entry); |
| module_exit(rtw_drv_halt); |