diff options
Diffstat (limited to 'drivers/staging/rtl8723au/os_dep/usb_intf.c')
| -rw-r--r-- | drivers/staging/rtl8723au/os_dep/usb_intf.c | 622 |
1 files changed, 622 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723au/os_dep/usb_intf.c b/drivers/staging/rtl8723au/os_dep/usb_intf.c new file mode 100644 index 000000000..27b3a5b7d --- /dev/null +++ b/drivers/staging/rtl8723au/os_dep/usb_intf.c @@ -0,0 +1,622 @@ +/****************************************************************************** + * + * 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. + * + ******************************************************************************/ +#define _HCI_INTF_C_ + +#include <osdep_service.h> +#include <drv_types.h> +#include <recv_osdep.h> +#include <xmit_osdep.h> +#include <hal_intf.h> +#include <rtw_version.h> +#include <osdep_intf.h> +#include <usb_ops.h> +#include <rtl8723a_hal.h> + +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_disconnect(struct usb_interface *pusb_intf); + +#define USB_VENDER_ID_REALTEK 0x0BDA + +#define RTL8723A_USB_IDS \ + {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDER_ID_REALTEK, 0x8724, \ + 0xff, 0xff, 0xff)}, /* 8723AU 1*1 */ \ + {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDER_ID_REALTEK, 0x1724, \ + 0xff, 0xff, 0xff)}, /* 8723AU 1*1 */ \ + {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDER_ID_REALTEK, 0x0724, \ + 0xff, 0xff, 0xff)}, /* 8723AU 1*1 */ + +static struct usb_device_id rtl8723a_usb_id_tbl[] = { + RTL8723A_USB_IDS + {} /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, rtl8723a_usb_id_tbl); + +static struct usb_driver rtl8723a_usb_drv = { + .name = (char *)"rtl8723au", + .probe = rtw_drv_init, + .disconnect = rtw_disconnect, + .id_table = rtl8723a_usb_id_tbl, + .suspend = rtw_suspend, + .resume = rtw_resume, + .reset_resume = rtw_resume, +}; + +static struct usb_driver *usb_drv = &rtl8723a_usb_drv; + +static int rtw_init_intf_priv(struct dvobj_priv *dvobj) +{ + mutex_init(&dvobj->usb_vendor_req_mutex); + + return _SUCCESS; +} + +static int rtw_deinit_intf_priv(struct dvobj_priv *dvobj) +{ + mutex_destroy(&dvobj->usb_vendor_req_mutex); + + return _SUCCESS; +} + +static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf) +{ + 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; + int i, status = _FAIL; + + pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL); + if (!pdvobjpriv) + goto exit; + + mutex_init(&pdvobjpriv->hw_init_mutex); + mutex_init(&pdvobjpriv->h2c_fwcmd_mutex); + mutex_init(&pdvobjpriv->setch_mutex); + mutex_init(&pdvobjpriv->setbw_mutex); + + 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++) { + pendp_desc = &phost_iface->endpoint[i].desc; + + DBG_8723A("\nusb_endpoint_descriptor(%d):\n", i); + DBG_8723A("bLength =%x\n", pendp_desc->bLength); + DBG_8723A("bDescriptorType =%x\n", pendp_desc->bDescriptorType); + DBG_8723A("bEndpointAddress =%x\n", + pendp_desc->bEndpointAddress); + DBG_8723A("wMaxPacketSize =%d\n", + le16_to_cpu(pendp_desc->wMaxPacketSize)); + DBG_8723A("bInterval =%x\n", pendp_desc->bInterval); + + if (usb_endpoint_is_bulk_in(pendp_desc)) { + DBG_8723A("usb_endpoint_is_bulk_in = %x\n", + usb_endpoint_num(pendp_desc)); + pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = + usb_endpoint_num(pendp_desc); + pdvobjpriv->RtNumInPipes++; + } else if (usb_endpoint_is_int_in(pendp_desc)) { + DBG_8723A("usb_endpoint_is_int_in = %x, Interval = " + "%x\n", usb_endpoint_num(pendp_desc), + pendp_desc->bInterval); + pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = + usb_endpoint_num(pendp_desc); + pdvobjpriv->RtNumInPipes++; + } else if (usb_endpoint_is_bulk_out(pendp_desc)) { + DBG_8723A("usb_endpoint_is_bulk_out = %x\n", + usb_endpoint_num(pendp_desc)); + pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] = + usb_endpoint_num(pendp_desc); + pdvobjpriv->RtNumOutPipes++; + } + pdvobjpriv->ep_num[i] = usb_endpoint_num(pendp_desc); + } + DBG_8723A("nr_endpoint =%d, in_num =%d, out_num =%d\n\n", + pdvobjpriv->nr_endpoint, pdvobjpriv->RtNumInPipes, + pdvobjpriv->RtNumOutPipes); + + if (pusbd->speed == USB_SPEED_HIGH) { + pdvobjpriv->ishighspeed = true; + DBG_8723A("USB_SPEED_HIGH\n"); + } else { + pdvobjpriv->ishighspeed = false; + DBG_8723A("NON USB_SPEED_HIGH\n"); + } + + if (rtw_init_intf_priv(pdvobjpriv) == _FAIL) { + RT_TRACE(_module_os_intfs_c_, _drv_err_, + "Can't INIT rtw_init_intf_priv\n"); + goto free_dvobj; + } + /* 3 misc */ + rtw_reset_continual_urb_error(pdvobjpriv); + usb_get_dev(pusbd); + status = _SUCCESS; +free_dvobj: + if (status != _SUCCESS && pdvobjpriv) { + usb_set_intfdata(usb_intf, NULL); + mutex_destroy(&pdvobjpriv->hw_init_mutex); + mutex_destroy(&pdvobjpriv->h2c_fwcmd_mutex); + mutex_destroy(&pdvobjpriv->setch_mutex); + mutex_destroy(&pdvobjpriv->setbw_mutex); + kfree(pdvobjpriv); + pdvobjpriv = NULL; + } +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_8723A("usb attached..., try to reset usb device\n"); + usb_reset_device(interface_to_usbdev(usb_intf)); + } + } + rtw_deinit_intf_priv(dvobj); + mutex_destroy(&dvobj->hw_init_mutex); + mutex_destroy(&dvobj->h2c_fwcmd_mutex); + mutex_destroy(&dvobj->setch_mutex); + mutex_destroy(&dvobj->setbw_mutex); + kfree(dvobj); + } + usb_put_dev(interface_to_usbdev(usb_intf)); +} + +void rtl8723a_usb_intf_stop(struct rtw_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 */ + rtl8723au_inirp_deinit(padapter); + + /* cancel out irp */ + rtl8723au_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 rtw_adapter *padapter) +{ + struct submit_ctx *pack_tx_ops = &padapter->xmitpriv.ack_tx_ops; + + RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+rtw_dev_unload\n"); + + if (padapter->bup) { + DBG_8723A("===> rtw_dev_unload\n"); + + padapter->bDriverStopped = true; + if (padapter->xmitpriv.ack_tx) + rtw23a_sctx_done_err(&pack_tx_ops, + RTW_SCTX_DONE_DRV_STOP); + + /* s3. */ + rtl8723a_usb_intf_stop(padapter); + + /* s4. */ + flush_workqueue(padapter->cmdpriv.wq); + + /* s5. */ + if (!padapter->bSurpriseRemoved) { + rtl8723au_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"); + } + DBG_8723A("<=== 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 rtw_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; + unsigned long start_time = jiffies; + + DBG_8723A("==> %s (%s:%d)\n", __func__, current->comm, current->pid); + + if ((!padapter->bup) || (padapter->bDriverStopped) || + (padapter->bSurpriseRemoved)) { + DBG_8723A("padapter->bup =%d bDriverStopped =%d bSurpriseRemoved = %d\n", + padapter->bup, padapter->bDriverStopped, + padapter->bSurpriseRemoved); + goto exit; + } + pwrpriv->bInSuspend = true; + rtw_cancel_all_timer23a(padapter); + LeaveAllPowerSaveMode23a(padapter); + + down(&pwrpriv->lock); + /* padapter->net_closed = true; */ + /* s1. */ + if (pnetdev) { + netif_carrier_off(pnetdev); + netif_tx_stop_all_queues(pnetdev); + } + + /* s2. */ + rtw_disassoc_cmd23a(padapter, 0, false); + + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) && + check_fwstate(pmlmepriv, _FW_LINKED)) { + DBG_8723A("%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.ssid_len, + pmlmepriv->assoc_ssid.ssid_len); + + rtw_set_roaming(padapter, 1); + } + /* s2-2. indicate disconnect to os */ + rtw_indicate_disconnect23a(padapter); + /* s2-3. */ + rtw_free_assoc_resources23a(padapter, 1); + /* s2-4. */ + rtw_free_network_queue23a(padapter); + + rtw_dev_unload(padapter); + up(&pwrpriv->lock); + + if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) + rtw_cfg80211_indicate_scan_done( + wdev_to_priv(padapter->rtw_wdev), true); + + if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) + rtw_indicate_disconnect23a(padapter); + +exit: + DBG_8723A("<=== %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 rtw_adapter *padapter = dvobj->if1; + struct net_device *pnetdev; + struct pwrctrl_priv *pwrpriv = NULL; + int ret = -1; + unsigned long start_time = jiffies; + + DBG_8723A("==> %s (%s:%d)\n", __func__, current->comm, current->pid); + + if (!padapter) + goto exit; + pnetdev = padapter->pnetdev; + pwrpriv = &padapter->pwrctrlpriv; + + down(&pwrpriv->lock); + rtw_reset_drv_sw23a(padapter); + pwrpriv->bkeepfwalive = false; + + DBG_8723A("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive); + if (pm_netdev_open23a(pnetdev, true) != 0) { + up(&pwrpriv->lock); + goto exit; + } + + netif_device_attach(pnetdev); + netif_carrier_on(pnetdev); + + up(&pwrpriv->lock); + + if (padapter->pid[1] != 0) { + DBG_8723A("pid[1]:%d\n", padapter->pid[1]); + kill_pid(find_vpid(padapter->pid[1]), SIGUSR2, 1); + } + + rtw23a_roaming(padapter, NULL); + + ret = 0; +exit: + if (pwrpriv) + pwrpriv->bInSuspend = false; + DBG_8723A("<=== %s return %d.............. in %dms\n", __func__, + ret, jiffies_to_msecs(jiffies - 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 rtw_adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj, + struct usb_interface *pusb_intf, + const struct usb_device_id *pdid) +{ + struct rtw_adapter *padapter = NULL; + struct net_device *pnetdev = NULL; + int status = _FAIL; + + pnetdev = rtw_init_netdev23a(padapter); + if (!pnetdev) + goto free_adapter; + padapter = netdev_priv(pnetdev); + + padapter->dvobj = dvobj; + padapter->bDriverStopped = true; + dvobj->if1 = padapter; + dvobj->padapters[dvobj->iface_nums++] = padapter; + padapter->iface_id = IFACE_ID0; + + rtl8723au_set_hw_type(padapter); + + SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj)); + + if (rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj))) + goto free_adapter; + + /* step 2. allocate HalData */ + padapter->HalData = kzalloc(sizeof(struct hal_data_8723a), GFP_KERNEL); + if (!padapter->HalData) + goto free_wdev; + + /* step read_chip_version */ + rtl8723a_read_chip_version(padapter); + + /* step usb endpoint mapping */ + if (!rtl8723au_chip_configure(padapter)) + goto free_hal_data; + + /* step read efuse/eeprom data and get mac_addr */ + rtl8723a_read_adapter_info(padapter); + + /* step 5. */ + if (rtw_init_drv_sw23a(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); + DBG_8723A("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n"); + DBG_8723A("\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_8723A("can't get autopm:\n"); +#ifdef CONFIG_8723AU_BT_COEXIST + padapter->pwrctrlpriv.autopm_cnt = 1; +#endif + + /* If the eeprom mac address is corrupted, assign a random address */ + if (is_broadcast_ether_addr(padapter->eeprompriv.mac_addr) || + is_zero_ether_addr(padapter->eeprompriv.mac_addr)) + eth_random_addr(padapter->eeprompriv.mac_addr); + + DBG_8723A("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_wdev: + if (status != _SUCCESS) { + rtw_wdev_unregister(padapter->rtw_wdev); + rtw_wdev_free(padapter->rtw_wdev); + } +free_adapter: + if (status != _SUCCESS) { + if (pnetdev) + free_netdev(pnetdev); + padapter = NULL; + } + return padapter; +} + +static void rtw_usb_if1_deinit(struct rtw_adapter *if1) +{ + struct net_device *pnetdev = if1->pnetdev; + struct mlme_priv *pmlmepriv = &if1->mlmepriv; + + if (check_fwstate(pmlmepriv, _FW_LINKED)) + rtw_disassoc_cmd23a(if1, 0, false); + +#ifdef CONFIG_8723AU_AP_MODE + free_mlme_ap_info23a(if1); +#endif + + if (pnetdev) + unregister_netdev(pnetdev); /* will call netdev_close() */ + + rtw_cancel_all_timer23a(if1); + + rtw_dev_unload(if1); + + DBG_8723A("+r871xu_dev_remove, hw_init_completed =%d\n", + if1->hw_init_completed); + + if (if1->rtw_wdev) { + rtw_wdev_unregister(if1->rtw_wdev); + rtw_wdev_free(if1->rtw_wdev); + } + +#ifdef CONFIG_8723AU_BT_COEXIST + if (1 == if1->pwrctrlpriv.autopm_cnt) { + usb_autopm_put_interface(adapter_to_dvobj(if1)->pusbintf); + if1->pwrctrlpriv.autopm_cnt--; + } +#endif + + rtw_free_drv_sw23a(if1); + + if (pnetdev) + free_netdev(pnetdev); +} + +static int rtw_drv_init(struct usb_interface *pusb_intf, + const struct usb_device_id *pdid) +{ + struct rtw_adapter *if1 = NULL; + struct dvobj_priv *dvobj; + int status = _FAIL; + + RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+rtw_drv_init\n"); + + /* 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) { + DBG_8723A("rtw_init_primary_adapter Failed!\n"); + goto free_dvobj; + } + + /* dev_alloc_name && register_netdev */ + status = rtw_drv_register_netdev(if1); + if (status != _SUCCESS) + goto free_if1; + RT_TRACE(_module_hci_intfs_c_, _drv_err_, + "-871x_drv - drv_init, success!\n"); + + status = _SUCCESS; + +free_if1: + if (status != _SUCCESS && if1) + rtw_usb_if1_deinit(if1); +free_dvobj: + if (status != _SUCCESS) + usb_dvobj_deinit(pusb_intf); +exit: + return status == _SUCCESS ? 0 : -ENODEV; +} + +/* dev_remove() - our device is being removed */ +static void rtw_disconnect(struct usb_interface *pusb_intf) +{ + struct dvobj_priv *dvobj; + struct rtw_adapter *padapter; + struct net_device *pnetdev; + struct mlme_priv *pmlmepriv; + + dvobj = usb_get_intfdata(pusb_intf); + if (!dvobj) + return; + + padapter = dvobj->if1; + pnetdev = padapter->pnetdev; + pmlmepriv = &padapter->mlmepriv; + + usb_set_intfdata(pusb_intf, NULL); + + RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+dev_remove()\n"); + + rtw_pm_set_ips23a(padapter, IPS_NONE); + rtw_pm_set_lps23a(padapter, PS_MODE_ACTIVE); + + LeaveAllPowerSaveMode23a(padapter); + + rtw_usb_if1_deinit(padapter); + + usb_dvobj_deinit(pusb_intf); + + RT_TRACE(_module_hci_intfs_c_, _drv_err_, "-dev_remove()\n"); + DBG_8723A("-r871xu_dev_remove, done\n"); +} + +static int __init rtw_drv_entry(void) +{ + RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+rtw_drv_entry\n"); + return usb_register(usb_drv); +} + +static void __exit rtw_drv_halt(void) +{ + RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+rtw_drv_halt\n"); + DBG_8723A("+rtw_drv_halt\n"); + + usb_deregister(usb_drv); + + DBG_8723A("-rtw_drv_halt\n"); +} + +module_init(rtw_drv_entry); +module_exit(rtw_drv_halt); |