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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 _HCI_INTF_C_
#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 <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;
int status = _FAIL;
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)
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;
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)
goto free_dvobj;
usb_get_dev(pusbd);
status = _SUCCESS;
free_dvobj:
if (status != _SUCCESS) {
usb_set_intfdata(usb_intf, NULL);
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_88E("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) {
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;
} else {
RT_TRACE(_module_hci_intfs_c_, _drv_err_,
("r871x_dev_unload():padapter->bup == false\n"));
}
DBG_88E("<=== 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;
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);
_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)) {
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);
_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:
DBG_88E("<=== %s return %d.............. in %dms\n", __func__
, ret, rtw_get_passing_time_ms(start_time));
return ret;
}
static int rtw_resume_process(struct adapter *padapter)
{
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);
if (padapter) {
pnetdev = padapter->pnetdev;
pwrpriv = &padapter->pwrctrlpriv;
} else {
goto exit;
}
_enter_pwrlock(&pwrpriv->lock);
rtw_reset_drv_sw(padapter);
pwrpriv->bkeepfwalive = false;
DBG_88E("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;
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;
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;
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);
/* 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);
DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
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);
memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
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) {
RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
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);
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);
}
rtw_cancel_all_timer(if1);
rtw_dev_unload(if1);
DBG_88E("+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;
int status = _FAIL;
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) {
DBG_88E("rtw_init_primarystruct adapter Failed!\n");
goto free_dvobj;
}
RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
status = _SUCCESS;
free_dvobj:
if (status != _SUCCESS)
usb_dvobj_deinit(pusb_intf);
exit:
return status == _SUCCESS ? 0 : -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");
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"));
DBG_88E("-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)
|