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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/staging/r8188eu/os_dep/usb_intf.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/r8188eu/os_dep/usb_intf.c')
-rw-r--r-- | drivers/staging/r8188eu/os_dep/usb_intf.c | 472 |
1 files changed, 472 insertions, 0 deletions
diff --git a/drivers/staging/r8188eu/os_dep/usb_intf.c b/drivers/staging/r8188eu/os_dep/usb_intf.c new file mode 100644 index 000000000..5fbfbcd95 --- /dev/null +++ b/drivers/staging/r8188eu/os_dep/usb_intf.c @@ -0,0 +1,472 @@ +// 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/hal_intf.h" +#include "../include/osdep_intf.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, 0xffef)}, /* Rosewill USB-N150 Nano */ + /*=== 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 = KBUILD_MODNAME, + .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; + u8 rt_num_in_pipes = 0; + 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 err; + + pdvobjpriv->pusbintf = usb_intf; + pusbd = interface_to_usbdev(usb_intf); + pdvobjpriv->pusbdev = pusbd; + usb_set_intfdata(usb_intf, pdvobjpriv); + + 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; + + for (i = 0; i < piface_desc->bNumEndpoints; 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 = ep_num; + rt_num_in_pipes++; + } else if (usb_endpoint_is_bulk_out(pendp_desc)) { + pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] = + ep_num; + pdvobjpriv->RtNumOutPipes++; + } + } + + if (rt_num_in_pipes != 1) + goto err; + + /* 3 misc */ + rtw_reset_continual_urb_error(pdvobjpriv); + + usb_get_dev(pusbd); + return pdvobjpriv; + +err: + kfree(pdvobjpriv); + return NULL; +} + +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. */ + 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) { + 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. */ + rtw_stop_drv_threads(padapter); + + /* s5. */ + if (!padapter->bSurpriseRemoved) { + rtw_hal_deinit(padapter); + padapter->bSurpriseRemoved = true; + } + + padapter->bup = false; + } +} + +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; + + if ((!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); + 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)) + 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); + + if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) + rtw_indicate_disconnect(padapter); + +exit: + return 0; +} + +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; + + pnetdev = padapter->pnetdev; + pwrpriv = &padapter->pwrctrlpriv; + + mutex_lock(&pwrpriv->lock); + rtw_reset_drv_sw(padapter); + if (pwrpriv) + pwrpriv->bkeepfwalive = false; + + if (netdev_open(pnetdev) != 0) { + mutex_unlock(&pwrpriv->lock); + goto exit; + } + + netif_device_attach(pnetdev); + netif_carrier_on(pnetdev); + + mutex_unlock(&pwrpriv->lock); + + if (padapter->pid[1] != 0) + rtw_signal_process(padapter->pid[1], SIGUSR2); + + rtw_roaming(padapter, NULL); + + ret = 0; +exit: + if (pwrpriv) + pwrpriv->bInSuspend = false; + + 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 int rtw_usb_if1_init(struct dvobj_priv *dvobj, struct usb_interface *pusb_intf) +{ + struct adapter *padapter = NULL; + struct net_device *pnetdev = NULL; + struct io_priv *piopriv; + struct intf_hdl *pintf; + int ret; + + padapter = vzalloc(sizeof(*padapter)); + if (!padapter) + return -ENOMEM; + + padapter->dvobj = dvobj; + dvobj->if1 = padapter; + + padapter->bDriverStopped = true; + + padapter->hw_init_mutex = &usb_drv->hw_init_mutex; + + rtw_handle_dualmac(padapter, 1); + + pnetdev = rtw_init_netdev(padapter); + if (!pnetdev) { + ret = -ENODEV; + goto handle_dualmac; + } + SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj)); + padapter = rtw_netdev_priv(pnetdev); + + 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 */ + ret = rtl8188eu_interface_configure(padapter); + if (ret) + goto handle_dualmac; + + /* step read efuse/eeprom data and get mac_addr */ + ret = ReadAdapterInfo8188EU(padapter); + if (ret) + goto handle_dualmac; + + /* step 5. */ + if (rtw_init_drv_sw(padapter) == _FAIL) { + ret = -ENODEV; + goto handle_dualmac; + } + +#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); + } +#endif + + /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto + * suspend influence */ + usb_autopm_get_interface(pusb_intf); + + /* alloc dev name after read efuse. */ + ret = rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname); + if (ret) + goto free_drv_sw; + 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); + + /* step 6. Tell the network stack we exist */ + ret = register_netdev(pnetdev); + if (ret) + goto free_drv_sw; + + return 0; + +free_drv_sw: + rtw_cancel_all_timer(padapter); + rtw_free_drv_sw(padapter); +handle_dualmac: + rtw_handle_dualmac(padapter, 0); + if (pnetdev) + rtw_free_netdev(pnetdev); + else + vfree(padapter); + + return ret; +} + +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 (pnetdev) { + /* will call netdev_close() */ + unregister_netdev(pnetdev); + } + rtw_cancel_all_timer(if1); + + rtw_dev_unload(if1); + 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 dvobj_priv *dvobj; + int ret; + + /* Initialize dvobj_priv */ + dvobj = usb_dvobj_init(pusb_intf); + if (!dvobj) + return -ENODEV; + + ret = rtw_usb_if1_init(dvobj, pusb_intf); + if (ret) { + usb_dvobj_deinit(pusb_intf); + return ret; + } + + if (ui_pid[1] != 0) + rtw_signal_process(ui_pid[1], SIGUSR2); + + return 0; +} + +/* + * 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; + + 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); +} + +static int __init rtw_drv_entry(void) +{ + 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) +{ + usb_drv->drv_registered = false; + usb_deregister(&usb_drv->usbdrv); + + mutex_destroy(&usb_drv->hw_init_mutex); +} + +module_init(rtw_drv_entry); +module_exit(rtw_drv_halt); |