[mirror_ubuntu-artful-kernel.git] / drivers / staging / rtl8188eu / os_dep / usb_intf.c

/******************************************************************************
 *
 * 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 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 <rtw_ioctl.h>

#include "rtl8188e_hal.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(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
	{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)
		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;

	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[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++;
		}
	}

	if (pusbd->speed == USB_SPEED_HIGH)
		pdvobjpriv->ishighspeed = true;
	else
		pdvobjpriv->ishighspeed = false;

	mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
	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));
			}
		}

		mutex_destroy(&dvobj->usb_vendor_req_mutex);
		kfree(dvobj);
	}

	usb_put_dev(interface_to_usbdev(usb_intf));

}

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. */
		usb_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);

	mutex_lock(&pwrpriv->mutex_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);
	mutex_unlock(&pwrpriv->mutex_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;
	}

	mutex_lock(&pwrpriv->mutex_lock);
	rtw_reset_drv_sw(padapter);
	pwrpriv->bkeepfwalive = false;

	pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
	if (netdev_open(pnetdev) != 0) {
		mutex_unlock(&pwrpriv->mutex_lock);
		goto exit;
	}

	netif_device_attach(pnetdev);
	netif_carrier_on(pnetdev);

	mutex_unlock(&pwrpriv->mutex_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;
	}

	padapter->HalData = kzalloc(sizeof(struct hal_data_8188e), GFP_KERNEL);
	if (!padapter->HalData)
		DBG_88E("cant not alloc memory for HAL DATA\n");

	/* 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)
		unregister_netdev(pnetdev); /* will call netdev_close() */

	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)
Commit	Line	Data
c2478d39 LF	1	/******************************************************************************
	2	*
	3	* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of version 2 of the GNU General Public License as
	7	* published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
c2478d39	14	******************************************************************************/
c2478d39	15
9aa39bc4	16	#define pr_fmt(fmt) "R8188EU: " fmt
c2478d39 LF	17	#include <osdep_service.h>
	18	#include <drv_types.h>
	19	#include <recv_osdep.h>
	20	#include <xmit_osdep.h>
	21	#include <hal_intf.h>
c2478d39	22	#include <linux/usb.h>
d249db9e	23	#include <linux/vmalloc.h>
0a0796eb	24	#include <mon.h>
c2478d39 LF	25	#include <osdep_intf.h>
c2478d39 LF	26
17452ee9	27	#include <usb_ops_linux.h>
c2478d39 LF	28	#include <rtw_ioctl.h>
c2478d39 LF	29
6955832f IS	30	#include "rtl8188e_hal.h"
6955832f IS	31
c2478d39 LF	32	#define USB_VENDER_ID_REALTEK 0x0bda
	33
	34	/* DID_USB_v916_20130116 */
	35	static struct usb_device_id rtw_usb_id_tbl[] = {
	36	/=== Realtek demoboard ===/
	37	{USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8179)}, /* 8188EUS */
	38	{USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */
	39	/=== Customer ID ===/
	40	/**** 8188EUS ******/
a2fa6721	41	{USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */
08951f10	42	{USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
df3f4edc	43	{USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
260ea9c2	44	{USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
6d4556fc	45	{USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
5a1d4c5d	46	{USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
8626d524	47	{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
c2478d39 LF	48	{} /* Terminating entry */
	49	};
	50
	51	MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
	52
c2478d39 LF	53	static struct dvobj_priv usb_dvobj_init(struct usb_interface usb_intf)
	54	{
	55	int i;
c2478d39 LF	56	struct dvobj_priv *pdvobjpriv;
	57	struct usb_host_config *phost_conf;
	58	struct usb_config_descriptor *pconf_desc;
	59	struct usb_host_interface *phost_iface;
	60	struct usb_interface_descriptor *piface_desc;
c2478d39 LF	61	struct usb_endpoint_descriptor *pendp_desc;
	62	struct usb_device *pusbd;
	63
fadbe0cd	64	pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL);
574502ca	65	if (!pdvobjpriv)
586b0632	66	return NULL;
c2478d39 LF	67
	68	pdvobjpriv->pusbintf = usb_intf;
	69	pusbd = interface_to_usbdev(usb_intf);
	70	pdvobjpriv->pusbdev = pusbd;
	71	usb_set_intfdata(usb_intf, pdvobjpriv);
	72
	73	pdvobjpriv->RtNumInPipes = 0;
	74	pdvobjpriv->RtNumOutPipes = 0;
	75
	76	phost_conf = pusbd->actconfig;
	77	pconf_desc = &phost_conf->desc;
	78
	79	phost_iface = &usb_intf->altsetting[0];
	80	piface_desc = &phost_iface->desc;
	81
	82	pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
	83	pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
c2478d39	84
c6724919	85	for (i = 0; i < piface_desc->bNumEndpoints; i++) {
73fbfbfe	86	int ep_num;
37ad17a4	87
6179ed59 JS	88	pendp_desc = &phost_iface->endpoint[i].desc;
	89
	90	ep_num = usb_endpoint_num(pendp_desc);
	91
	92	if (usb_endpoint_is_bulk_in(pendp_desc)) {
	93	pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
	94	pdvobjpriv->RtNumInPipes++;
	95	} else if (usb_endpoint_is_int_in(pendp_desc)) {
	96	pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
	97	pdvobjpriv->RtNumInPipes++;
	98	} else if (usb_endpoint_is_bulk_out(pendp_desc)) {
	99	pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
	100	ep_num;
	101	pdvobjpriv->RtNumOutPipes++;
c2478d39 LF	102	}
	103	}
	104
21335144	105	if (pusbd->speed == USB_SPEED_HIGH)
c2478d39	106	pdvobjpriv->ishighspeed = true;
21335144	107	else
c2478d39	108	pdvobjpriv->ishighspeed = false;
c2478d39	109
418f9642	110	mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
705a3136	111	usb_get_dev(pusbd);
586b0632	112
c2478d39 LF	113	return pdvobjpriv;
	114	}
	115
	116	static void usb_dvobj_deinit(struct usb_interface *usb_intf)
	117	{
	118	struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
	119
c2478d39 LF	120	usb_set_intfdata(usb_intf, NULL);
	121	if (dvobj) {
	122	/* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
	123	if ((dvobj->NumInterfaces != 2 &&
	124	dvobj->NumInterfaces != 3) \|\|
	125	(dvobj->InterfaceNumber == 1)) {
	126	if (interface_to_usbdev(usb_intf)->state !=
	127	USB_STATE_NOTATTACHED) {
	128	/* If we didn't unplug usb dongle and
	129	* remove/insert module, driver fails
	130	* on sitesurvey for the first time when
	131	* device is up . Reset usb port for sitesurvey
	132	* fail issue. */
9aa39bc4	133	pr_debug("usb attached..., try to reset usb device\n");
c2478d39 LF	134	usb_reset_device(interface_to_usbdev(usb_intf));
	135	}
	136	}
f0e7a514	137
f0e7a514	138	mutex_destroy(&dvobj->usb_vendor_req_mutex);
c2478d39 LF	139	kfree(dvobj);
	140	}
	141
	142	usb_put_dev(interface_to_usbdev(usb_intf));
	143
c2478d39 LF	144	}
c2478d39 LF	145
fd5d86d2	146	void usb_intf_stop(struct adapter *padapter)
c2478d39 LF	147	{
	148	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
	149
8895f04b	150	/* disable_hw_interrupt */
c2478d39 LF	151	if (!padapter->bSurpriseRemoved) {
	152	/* device still exists, so driver can do i/o operation */
	153	/* TODO: */
	154	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	155	("SurpriseRemoved == false\n"));
	156	}
	157
	158	/* cancel in irp */
	159	rtw_hal_inirp_deinit(padapter);
	160
	161	/* cancel out irp */
14af3550	162	usb_write_port_cancel(padapter);
c2478d39 LF	163
	164	/* todo:cancel other irps */
	165
	166	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
	167	}
	168
	169	static void rtw_dev_unload(struct adapter *padapter)
	170	{
	171	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
	172
	173	if (padapter->bup) {
9aa39bc4	174	pr_debug("===> rtw_dev_unload\n");
c2478d39 LF	175	padapter->bDriverStopped = true;
	176	if (padapter->xmitpriv.ack_tx)
	177	rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
	178	/* s3. */
fd5d86d2	179	usb_intf_stop(padapter);
c2478d39 LF	180	/* s4. */
	181	if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
	182	rtw_stop_drv_threads(padapter);
	183
	184	/* s5. */
	185	if (!padapter->bSurpriseRemoved) {
	186	rtw_hal_deinit(padapter);
	187	padapter->bSurpriseRemoved = true;
	188	}
	189
	190	padapter->bup = false;
	191	} else {
	192	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	193	("r871x_dev_unload():padapter->bup == false\n"));
	194	}
	195
9aa39bc4	196	pr_debug("<=== rtw_dev_unload\n");
c2478d39 LF	197
	198	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
	199	}
	200
c2478d39 LF	201	static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
	202	{
	203	struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
	204	struct adapter *padapter = dvobj->if1;
	205	struct net_device *pnetdev = padapter->pnetdev;
	206	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
	207	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
ed737494	208	unsigned long start_time = jiffies;
c2478d39	209
9aa39bc4	210	pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
c2478d39 LF	211
	212	if ((!padapter->bup) \|\| (padapter->bDriverStopped) \|\|
	213	(padapter->bSurpriseRemoved)) {
9aa39bc4	214	pr_debug("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
c2478d39 LF	215	padapter->bup, padapter->bDriverStopped,
	216	padapter->bSurpriseRemoved);
	217	goto exit;
	218	}
	219
	220	pwrpriv->bInSuspend = true;
	221	rtw_cancel_all_timer(padapter);
	222	LeaveAllPowerSaveMode(padapter);
	223
f18c566e	224	mutex_lock(&pwrpriv->mutex_lock);
c2478d39 LF	225	/* s1. */
	226	if (pnetdev) {
	227	netif_carrier_off(pnetdev);
945c0972	228	netif_tx_stop_all_queues(pnetdev);
c2478d39 LF	229	}
	230
	231	/* s2. */
	232	rtw_disassoc_cmd(padapter, 0, false);
	233
	234	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
	235	check_fwstate(pmlmepriv, _FW_LINKED)) {
9aa39bc4	236	pr_debug("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
c2478d39 LF	237	__func__, __LINE__,
	238	pmlmepriv->cur_network.network.Ssid.Ssid,
	239	pmlmepriv->cur_network.network.MacAddress,
	240	pmlmepriv->cur_network.network.Ssid.SsidLength,
	241	pmlmepriv->assoc_ssid.SsidLength);
	242
	243	pmlmepriv->to_roaming = 1;
	244	}
	245	/* s2-2. indicate disconnect to os */
	246	rtw_indicate_disconnect(padapter);
	247	/* s2-3. */
b4ba3b57	248	rtw_free_assoc_resources(padapter);
c2478d39 LF	249	/* s2-4. */
	250	rtw_free_network_queue(padapter, true);
	251
	252	rtw_dev_unload(padapter);
f18c566e	253	mutex_unlock(&pwrpriv->mutex_lock);
c2478d39 LF	254
	255	if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
	256	rtw_indicate_scan_done(padapter, 1);
	257
	258	if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
	259	rtw_indicate_disconnect(padapter);
	260
	261	exit:
7d708e52	262	pr_debug("<=== %s .............. in %dms\n", __func__,
ed737494	263	jiffies_to_msecs(jiffies - start_time));
c2478d39	264
7d708e52	265	return 0;
c2478d39 LF	266	}
c2478d39 LF	267
0aba3f41	268	static int rtw_resume_process(struct adapter *padapter)
c2478d39 LF	269	{
	270	struct net_device *pnetdev;
	271	struct pwrctrl_priv *pwrpriv = NULL;
	272	int ret = -1;
ed737494	273	unsigned long start_time = jiffies;
c2478d39	274
9aa39bc4	275	pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
c2478d39 LF	276
	277	if (padapter) {
	278	pnetdev = padapter->pnetdev;
	279	pwrpriv = &padapter->pwrctrlpriv;
	280	} else {
	281	goto exit;
	282	}
	283
f18c566e	284	mutex_lock(&pwrpriv->mutex_lock);
c2478d39	285	rtw_reset_drv_sw(padapter);
89b90c68	286	pwrpriv->bkeepfwalive = false;
c2478d39	287
9aa39bc4	288	pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
b091c6b6	289	if (netdev_open(pnetdev) != 0) {
23bf4042	290	mutex_unlock(&pwrpriv->mutex_lock);
c2478d39	291	goto exit;
23bf4042	292	}
c2478d39 LF	293
	294	netif_device_attach(pnetdev);
	295	netif_carrier_on(pnetdev);
	296
f18c566e	297	mutex_unlock(&pwrpriv->mutex_lock);
c2478d39	298
c2478d39 LF	299	rtw_roaming(padapter, NULL);
	300
	301	ret = 0;
	302	exit:
23bf4042	303	if (pwrpriv)
c2478d39	304	pwrpriv->bInSuspend = false;
9aa39bc4	305	pr_debug("<=== %s return %d.............. in %dms\n", __func__,
ed737494	306	ret, jiffies_to_msecs(jiffies - start_time));
c2478d39	307
c2478d39 LF	308	return ret;
	309	}
	310
0aba3f41	311	static int rtw_resume(struct usb_interface *pusb_intf)
	312	{
	313	struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
	314	struct adapter *padapter = dvobj->if1;
	315
	316	return rtw_resume_process(padapter);
	317	}
	318
c2478d39 LF	319	/*
	320	* drv_init() - a device potentially for us
	321	*
	322	* notes: drv_init() is called when the bus driver has located
	323	* a card for us to support.
	324	* We accept the new device by returning 0.
	325	*/
	326
	327	static struct adapter rtw_usb_if1_init(struct dvobj_priv dvobj,
	328	struct usb_interface pusb_intf, const struct usb_device_id pdid)
	329	{
	330	struct adapter *padapter = NULL;
	331	struct net_device *pnetdev = NULL;
0a0796eb	332	struct net_device *pmondev;
c2478d39 LF	333	int status = _FAIL;
c2478d39 LF	334
2397c6e0	335	padapter = (struct adapter )vzalloc(sizeof(padapter));
c2478d39 LF	336	if (padapter == NULL)
	337	goto exit;
	338	padapter->dvobj = dvobj;
	339	dvobj->if1 = padapter;
	340
	341	padapter->bDriverStopped = true;
fc8b5ae9	342	mutex_init(&padapter->hw_init_mutex);
c2478d39	343
c2478d39 LF	344	pnetdev = rtw_init_netdev(padapter);
c2478d39 LF	345	if (pnetdev == NULL)
0f56c6e9	346	goto free_adapter;
c2478d39 LF	347	SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
	348	padapter = rtw_netdev_priv(pnetdev);
	349
0a0796eb JS	350	if (padapter->registrypriv.monitor_enable) {
	351	pmondev = rtl88eu_mon_init();
	352	if (pmondev == NULL)
	353	netdev_warn(pnetdev, "Failed to initialize monitor interface");
	354	padapter->pmondev = pmondev;
	355	}
	356
6955832f IS	357	padapter->HalData = kzalloc(sizeof(struct hal_data_8188e), GFP_KERNEL);
	358	if (!padapter->HalData)
	359	DBG_88E("cant not alloc memory for HAL DATA\n");
c2478d39	360
c2478d39 LF	361	/* step read_chip_version */
	362	rtw_hal_read_chip_version(padapter);
	363
	364	/* step usb endpoint mapping */
	365	rtw_hal_chip_configure(padapter);
	366
	367	/* step read efuse/eeprom data and get mac_addr */
	368	rtw_hal_read_chip_info(padapter);
	369
	370	/* step 5. */
	371	if (rtw_init_drv_sw(padapter) == _FAIL) {
	372	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	373	("Initialize driver software resource Failed!\n"));
	374	goto free_hal_data;
	375	}
	376
	377	#ifdef CONFIG_PM
	378	if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
	379	dvobj->pusbdev->do_remote_wakeup = 1;
	380	pusb_intf->needs_remote_wakeup = 1;
	381	device_init_wakeup(&pusb_intf->dev, 1);
9aa39bc4 SM	382	pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
9aa39bc4 SM	383	pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
c2478d39 LF	384	device_may_wakeup(&pusb_intf->dev));
	385	}
	386	#endif
	387
	388	/* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
	389	* suspend influence */
	390	if (usb_autopm_get_interface(pusb_intf) < 0)
9aa39bc4	391	pr_debug("can't get autopm:\n");
c2478d39 LF	392
	393	/* alloc dev name after read efuse. */
	394	rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
	395	rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
c2478d39	396	memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
9aa39bc4	397	pr_debug("MAC Address from pnetdev->dev_addr = %pM\n",
c2478d39 LF	398	pnetdev->dev_addr);
	399
	400	/* step 6. Tell the network stack we exist */
	401	if (register_netdev(pnetdev) != 0) {
	402	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
	403	goto free_hal_data;
	404	}
	405
9aa39bc4	406	pr_debug("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
c2478d39 LF	407	, padapter->bDriverStopped
	408	, padapter->bSurpriseRemoved
	409	, padapter->bup
	410	, padapter->hw_init_completed
	411	);
	412
	413	status = _SUCCESS;
	414
	415	free_hal_data:
dc2f9db9	416	if (status != _SUCCESS)
c2478d39	417	kfree(padapter->HalData);
c2478d39 LF	418	free_adapter:
	419	if (status != _SUCCESS) {
	420	if (pnetdev)
	421	rtw_free_netdev(pnetdev);
2c10efbd	422	else
03bd6aea	423	vfree(padapter);
c2478d39 LF	424	padapter = NULL;
	425	}
	426	exit:
	427	return padapter;
	428	}
	429
	430	static void rtw_usb_if1_deinit(struct adapter *if1)
	431	{
	432	struct net_device *pnetdev = if1->pnetdev;
	433	struct mlme_priv *pmlmepriv = &if1->mlmepriv;
	434
	435	if (check_fwstate(pmlmepriv, _FW_LINKED))
	436	rtw_disassoc_cmd(if1, 0, false);
	437
	438	#ifdef CONFIG_88EU_AP_MODE
	439	free_mlme_ap_info(if1);
	440	#endif
	441
ac66b628 LC	442	if (pnetdev)
	443	unregister_netdev(pnetdev); /* will call netdev_close() */
	444
0a0796eb	445	rtl88eu_mon_deinit(if1->pmondev);
c2478d39 LF	446	rtw_cancel_all_timer(if1);
	447
	448	rtw_dev_unload(if1);
9aa39bc4	449	pr_debug("+r871xu_dev_remove, hw_init_completed=%d\n",
c2478d39	450	if1->hw_init_completed);
c2478d39	451	rtw_free_drv_sw(if1);
a4e320b7	452	rtw_free_netdev(pnetdev);
c2478d39 LF	453	}
	454
	455	static int rtw_drv_init(struct usb_interface pusb_intf, const struct usb_device_id pdid)
	456	{
	457	struct adapter *if1 = NULL;
c2478d39 LF	458	struct dvobj_priv *dvobj;
c2478d39 LF	459
c2478d39 LF	460	/* Initialize dvobj_priv */
c2478d39 LF	461	dvobj = usb_dvobj_init(pusb_intf);
2e48f0df	462	if (!dvobj) {
c2478d39 LF	463	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	464	("initialize device object priv Failed!\n"));
	465	goto exit;
	466	}
	467
	468	if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
2e48f0df	469	if (!if1) {
9aa39bc4	470	pr_debug("rtw_init_primarystruct adapter Failed!\n");
c2478d39 LF	471	goto free_dvobj;
	472	}
	473
e0732f84	474	return 0;
c2478d39	475
c2478d39	476	free_dvobj:
e0732f84	477	usb_dvobj_deinit(pusb_intf);
c2478d39	478	exit:
e0732f84	479	return -ENODEV;
c2478d39 LF	480	}
	481
	482	/*
	483	* dev_remove() - our device is being removed
	484	*/
	485	/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
	486	static void rtw_dev_remove(struct usb_interface *pusb_intf)
	487	{
	488	struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
	489	struct adapter *padapter = dvobj->if1;
	490
9aa39bc4	491	pr_debug("+rtw_dev_remove\n");
c2478d39 LF	492	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
c2478d39 LF	493
c824795c	494	if (!pusb_intf->unregistering)
c2478d39 LF	495	padapter->bSurpriseRemoved = true;
	496
	497	rtw_pm_set_ips(padapter, IPS_NONE);
	498	rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
	499
	500	LeaveAllPowerSaveMode(padapter);
	501
	502	rtw_usb_if1_deinit(padapter);
	503
	504	usb_dvobj_deinit(pusb_intf);
	505
	506	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
9aa39bc4	507	pr_debug("-r871xu_dev_remove, done\n");
c2478d39 LF	508	}
c2478d39 LF	509
5e2b1f15	510	static struct usb_driver rtl8188e_usb_drv = {
	511	.name = "r8188eu",
	512	.probe = rtw_drv_init,
	513	.disconnect = rtw_dev_remove,
	514	.id_table = rtw_usb_id_tbl,
	515	.suspend = rtw_suspend,
	516	.resume = rtw_resume,
	517	.reset_resume = rtw_resume,
	518	};
	519
774cce1e	520	module_usb_driver(rtl8188e_usb_drv)