[mirror_ubuntu-bionic-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 const 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(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
	{USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
	{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
	{USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
	{}	/* 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->cur_altsetting;
	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("Failed to allocate memory for HAL data\n");
		goto free_adapter;
	}

	/* 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 */
8654eb1f	35	static const struct usb_device_id rtw_usb_id_tbl[] = {
c2478d39 LF	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 */
35c70080	46	{USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
5a1d4c5d	47	{USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
8626d524	48	{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
f299aec6	49	{USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
c2478d39 LF	50	{} /* Terminating entry */
	51	};
	52
	53	MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
	54
c2478d39 LF	55	static struct dvobj_priv usb_dvobj_init(struct usb_interface usb_intf)
	56	{
	57	int i;
c2478d39 LF	58	struct dvobj_priv *pdvobjpriv;
	59	struct usb_host_config *phost_conf;
	60	struct usb_config_descriptor *pconf_desc;
	61	struct usb_host_interface *phost_iface;
	62	struct usb_interface_descriptor *piface_desc;
c2478d39 LF	63	struct usb_endpoint_descriptor *pendp_desc;
	64	struct usb_device *pusbd;
	65
fadbe0cd	66	pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL);
574502ca	67	if (!pdvobjpriv)
586b0632	68	return NULL;
c2478d39 LF	69
	70	pdvobjpriv->pusbintf = usb_intf;
	71	pusbd = interface_to_usbdev(usb_intf);
	72	pdvobjpriv->pusbdev = pusbd;
	73	usb_set_intfdata(usb_intf, pdvobjpriv);
	74
	75	pdvobjpriv->RtNumInPipes = 0;
	76	pdvobjpriv->RtNumOutPipes = 0;
	77
	78	phost_conf = pusbd->actconfig;
	79	pconf_desc = &phost_conf->desc;
	80
0f496a6f	81	phost_iface = usb_intf->cur_altsetting;
c2478d39 LF	82	piface_desc = &phost_iface->desc;
	83
	84	pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
	85	pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
c2478d39	86
c6724919	87	for (i = 0; i < piface_desc->bNumEndpoints; i++) {
73fbfbfe	88	int ep_num;
37ad17a4	89
6179ed59 JS	90	pendp_desc = &phost_iface->endpoint[i].desc;
	91
	92	ep_num = usb_endpoint_num(pendp_desc);
	93
	94	if (usb_endpoint_is_bulk_in(pendp_desc)) {
	95	pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
	96	pdvobjpriv->RtNumInPipes++;
	97	} else if (usb_endpoint_is_int_in(pendp_desc)) {
	98	pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
	99	pdvobjpriv->RtNumInPipes++;
	100	} else if (usb_endpoint_is_bulk_out(pendp_desc)) {
	101	pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
	102	ep_num;
	103	pdvobjpriv->RtNumOutPipes++;
c2478d39 LF	104	}
	105	}
	106
21335144	107	if (pusbd->speed == USB_SPEED_HIGH)
c2478d39	108	pdvobjpriv->ishighspeed = true;
21335144	109	else
c2478d39	110	pdvobjpriv->ishighspeed = false;
c2478d39	111
418f9642	112	mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
705a3136	113	usb_get_dev(pusbd);
586b0632	114
c2478d39 LF	115	return pdvobjpriv;
	116	}
	117
	118	static void usb_dvobj_deinit(struct usb_interface *usb_intf)
	119	{
	120	struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
	121
c2478d39 LF	122	usb_set_intfdata(usb_intf, NULL);
	123	if (dvobj) {
	124	/* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
	125	if ((dvobj->NumInterfaces != 2 &&
	126	dvobj->NumInterfaces != 3) \|\|
	127	(dvobj->InterfaceNumber == 1)) {
	128	if (interface_to_usbdev(usb_intf)->state !=
	129	USB_STATE_NOTATTACHED) {
	130	/* If we didn't unplug usb dongle and
	131	* remove/insert module, driver fails
	132	* on sitesurvey for the first time when
	133	* device is up . Reset usb port for sitesurvey
	134	* fail issue. */
9aa39bc4	135	pr_debug("usb attached..., try to reset usb device\n");
c2478d39 LF	136	usb_reset_device(interface_to_usbdev(usb_intf));
	137	}
	138	}
f0e7a514	139
f0e7a514	140	mutex_destroy(&dvobj->usb_vendor_req_mutex);
c2478d39 LF	141	kfree(dvobj);
	142	}
	143
	144	usb_put_dev(interface_to_usbdev(usb_intf));
	145
c2478d39 LF	146	}
c2478d39 LF	147
fd5d86d2	148	void usb_intf_stop(struct adapter *padapter)
c2478d39 LF	149	{
	150	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
	151
8895f04b	152	/* disable_hw_interrupt */
c2478d39 LF	153	if (!padapter->bSurpriseRemoved) {
	154	/* device still exists, so driver can do i/o operation */
	155	/* TODO: */
	156	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	157	("SurpriseRemoved == false\n"));
	158	}
	159
	160	/* cancel in irp */
	161	rtw_hal_inirp_deinit(padapter);
	162
	163	/* cancel out irp */
14af3550	164	usb_write_port_cancel(padapter);
c2478d39 LF	165
	166	/* todo:cancel other irps */
	167
	168	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
	169	}
	170
	171	static void rtw_dev_unload(struct adapter *padapter)
	172	{
	173	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
	174
	175	if (padapter->bup) {
9aa39bc4	176	pr_debug("===> rtw_dev_unload\n");
c2478d39 LF	177	padapter->bDriverStopped = true;
	178	if (padapter->xmitpriv.ack_tx)
	179	rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
	180	/* s3. */
fd5d86d2	181	usb_intf_stop(padapter);
c2478d39 LF	182	/* s4. */
	183	if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
	184	rtw_stop_drv_threads(padapter);
	185
	186	/* s5. */
	187	if (!padapter->bSurpriseRemoved) {
	188	rtw_hal_deinit(padapter);
	189	padapter->bSurpriseRemoved = true;
	190	}
	191
	192	padapter->bup = false;
	193	} else {
	194	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	195	("r871x_dev_unload():padapter->bup == false\n"));
	196	}
	197
9aa39bc4	198	pr_debug("<=== rtw_dev_unload\n");
c2478d39 LF	199
	200	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
	201	}
	202
c2478d39 LF	203	static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
	204	{
	205	struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
	206	struct adapter *padapter = dvobj->if1;
	207	struct net_device *pnetdev = padapter->pnetdev;
	208	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
	209	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
ed737494	210	unsigned long start_time = jiffies;
c2478d39	211
9aa39bc4	212	pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
c2478d39 LF	213
	214	if ((!padapter->bup) \|\| (padapter->bDriverStopped) \|\|
	215	(padapter->bSurpriseRemoved)) {
9aa39bc4	216	pr_debug("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
c2478d39 LF	217	padapter->bup, padapter->bDriverStopped,
	218	padapter->bSurpriseRemoved);
	219	goto exit;
	220	}
	221
	222	pwrpriv->bInSuspend = true;
	223	rtw_cancel_all_timer(padapter);
	224	LeaveAllPowerSaveMode(padapter);
	225
f18c566e	226	mutex_lock(&pwrpriv->mutex_lock);
c2478d39 LF	227	/* s1. */
	228	if (pnetdev) {
	229	netif_carrier_off(pnetdev);
945c0972	230	netif_tx_stop_all_queues(pnetdev);
c2478d39 LF	231	}
	232
	233	/* s2. */
	234	rtw_disassoc_cmd(padapter, 0, false);
	235
	236	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
	237	check_fwstate(pmlmepriv, _FW_LINKED)) {
9aa39bc4	238	pr_debug("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
c2478d39 LF	239	__func__, __LINE__,
	240	pmlmepriv->cur_network.network.Ssid.Ssid,
	241	pmlmepriv->cur_network.network.MacAddress,
	242	pmlmepriv->cur_network.network.Ssid.SsidLength,
	243	pmlmepriv->assoc_ssid.SsidLength);
	244
	245	pmlmepriv->to_roaming = 1;
	246	}
	247	/* s2-2. indicate disconnect to os */
	248	rtw_indicate_disconnect(padapter);
	249	/* s2-3. */
b4ba3b57	250	rtw_free_assoc_resources(padapter);
c2478d39 LF	251	/* s2-4. */
	252	rtw_free_network_queue(padapter, true);
	253
	254	rtw_dev_unload(padapter);
f18c566e	255	mutex_unlock(&pwrpriv->mutex_lock);
c2478d39 LF	256
	257	if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
	258	rtw_indicate_scan_done(padapter, 1);
	259
	260	if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
	261	rtw_indicate_disconnect(padapter);
	262
	263	exit:
7d708e52	264	pr_debug("<=== %s .............. in %dms\n", __func__,
ed737494	265	jiffies_to_msecs(jiffies - start_time));
c2478d39	266
7d708e52	267	return 0;
c2478d39 LF	268	}
c2478d39 LF	269
0aba3f41	270	static int rtw_resume_process(struct adapter *padapter)
c2478d39 LF	271	{
	272	struct net_device *pnetdev;
	273	struct pwrctrl_priv *pwrpriv = NULL;
	274	int ret = -1;
ed737494	275	unsigned long start_time = jiffies;
c2478d39	276
9aa39bc4	277	pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
c2478d39 LF	278
	279	if (padapter) {
	280	pnetdev = padapter->pnetdev;
	281	pwrpriv = &padapter->pwrctrlpriv;
	282	} else {
	283	goto exit;
	284	}
	285
f18c566e	286	mutex_lock(&pwrpriv->mutex_lock);
c2478d39	287	rtw_reset_drv_sw(padapter);
89b90c68	288	pwrpriv->bkeepfwalive = false;
c2478d39	289
9aa39bc4	290	pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
b091c6b6	291	if (netdev_open(pnetdev) != 0) {
23bf4042	292	mutex_unlock(&pwrpriv->mutex_lock);
c2478d39	293	goto exit;
23bf4042	294	}
c2478d39 LF	295
	296	netif_device_attach(pnetdev);
	297	netif_carrier_on(pnetdev);
	298
f18c566e	299	mutex_unlock(&pwrpriv->mutex_lock);
c2478d39	300
c2478d39 LF	301	rtw_roaming(padapter, NULL);
	302
	303	ret = 0;
	304	exit:
23bf4042	305	if (pwrpriv)
c2478d39	306	pwrpriv->bInSuspend = false;
9aa39bc4	307	pr_debug("<=== %s return %d.............. in %dms\n", __func__,
ed737494	308	ret, jiffies_to_msecs(jiffies - start_time));
c2478d39	309
c2478d39 LF	310	return ret;
	311	}
	312
0aba3f41	313	static int rtw_resume(struct usb_interface *pusb_intf)
	314	{
	315	struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
	316	struct adapter *padapter = dvobj->if1;
	317
	318	return rtw_resume_process(padapter);
	319	}
	320
c2478d39 LF	321	/*
	322	* drv_init() - a device potentially for us
	323	*
	324	* notes: drv_init() is called when the bus driver has located
	325	* a card for us to support.
	326	* We accept the new device by returning 0.
	327	*/
	328
	329	static struct adapter rtw_usb_if1_init(struct dvobj_priv dvobj,
	330	struct usb_interface pusb_intf, const struct usb_device_id pdid)
	331	{
	332	struct adapter *padapter = NULL;
	333	struct net_device *pnetdev = NULL;
0a0796eb	334	struct net_device *pmondev;
c2478d39 LF	335	int status = _FAIL;
c2478d39 LF	336
2397c6e0	337	padapter = (struct adapter )vzalloc(sizeof(padapter));
c2478d39 LF	338	if (padapter == NULL)
	339	goto exit;
	340	padapter->dvobj = dvobj;
	341	dvobj->if1 = padapter;
	342
	343	padapter->bDriverStopped = true;
fc8b5ae9	344	mutex_init(&padapter->hw_init_mutex);
c2478d39	345
c2478d39 LF	346	pnetdev = rtw_init_netdev(padapter);
c2478d39 LF	347	if (pnetdev == NULL)
0f56c6e9	348	goto free_adapter;
c2478d39 LF	349	SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
	350	padapter = rtw_netdev_priv(pnetdev);
	351
0a0796eb JS	352	if (padapter->registrypriv.monitor_enable) {
	353	pmondev = rtl88eu_mon_init();
	354	if (pmondev == NULL)
	355	netdev_warn(pnetdev, "Failed to initialize monitor interface");
	356	padapter->pmondev = pmondev;
	357	}
	358
6955832f	359	padapter->HalData = kzalloc(sizeof(struct hal_data_8188e), GFP_KERNEL);
fe12247a CK	360	if (!padapter->HalData) {
	361	DBG_88E("Failed to allocate memory for HAL data\n");
	362	goto free_adapter;
	363	}
c2478d39	364
c2478d39 LF	365	/* step read_chip_version */
	366	rtw_hal_read_chip_version(padapter);
	367
	368	/* step usb endpoint mapping */
	369	rtw_hal_chip_configure(padapter);
	370
	371	/* step read efuse/eeprom data and get mac_addr */
	372	rtw_hal_read_chip_info(padapter);
	373
	374	/* step 5. */
	375	if (rtw_init_drv_sw(padapter) == _FAIL) {
	376	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	377	("Initialize driver software resource Failed!\n"));
	378	goto free_hal_data;
	379	}
	380
	381	#ifdef CONFIG_PM
	382	if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
	383	dvobj->pusbdev->do_remote_wakeup = 1;
	384	pusb_intf->needs_remote_wakeup = 1;
	385	device_init_wakeup(&pusb_intf->dev, 1);
9aa39bc4 SM	386	pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
9aa39bc4 SM	387	pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
c2478d39 LF	388	device_may_wakeup(&pusb_intf->dev));
	389	}
	390	#endif
	391
	392	/* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
	393	* suspend influence */
	394	if (usb_autopm_get_interface(pusb_intf) < 0)
9aa39bc4	395	pr_debug("can't get autopm:\n");
c2478d39 LF	396
	397	/* alloc dev name after read efuse. */
	398	rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
	399	rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
c2478d39	400	memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
9aa39bc4	401	pr_debug("MAC Address from pnetdev->dev_addr = %pM\n",
c2478d39 LF	402	pnetdev->dev_addr);
	403
	404	/* step 6. Tell the network stack we exist */
	405	if (register_netdev(pnetdev) != 0) {
	406	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
	407	goto free_hal_data;
	408	}
	409
9aa39bc4	410	pr_debug("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
c2478d39 LF	411	, padapter->bDriverStopped
	412	, padapter->bSurpriseRemoved
	413	, padapter->bup
	414	, padapter->hw_init_completed
	415	);
	416
	417	status = _SUCCESS;
	418
	419	free_hal_data:
dc2f9db9	420	if (status != _SUCCESS)
c2478d39	421	kfree(padapter->HalData);
c2478d39 LF	422	free_adapter:
	423	if (status != _SUCCESS) {
	424	if (pnetdev)
	425	rtw_free_netdev(pnetdev);
2c10efbd	426	else
03bd6aea	427	vfree(padapter);
c2478d39 LF	428	padapter = NULL;
	429	}
	430	exit:
	431	return padapter;
	432	}
	433
	434	static void rtw_usb_if1_deinit(struct adapter *if1)
	435	{
	436	struct net_device *pnetdev = if1->pnetdev;
	437	struct mlme_priv *pmlmepriv = &if1->mlmepriv;
	438
	439	if (check_fwstate(pmlmepriv, _FW_LINKED))
	440	rtw_disassoc_cmd(if1, 0, false);
	441
	442	#ifdef CONFIG_88EU_AP_MODE
	443	free_mlme_ap_info(if1);
	444	#endif
	445
ac66b628 LC	446	if (pnetdev)
	447	unregister_netdev(pnetdev); /* will call netdev_close() */
	448
0a0796eb	449	rtl88eu_mon_deinit(if1->pmondev);
c2478d39 LF	450	rtw_cancel_all_timer(if1);
	451
	452	rtw_dev_unload(if1);
9aa39bc4	453	pr_debug("+r871xu_dev_remove, hw_init_completed=%d\n",
c2478d39	454	if1->hw_init_completed);
c2478d39	455	rtw_free_drv_sw(if1);
a4e320b7	456	rtw_free_netdev(pnetdev);
c2478d39 LF	457	}
	458
	459	static int rtw_drv_init(struct usb_interface pusb_intf, const struct usb_device_id pdid)
	460	{
	461	struct adapter *if1 = NULL;
c2478d39 LF	462	struct dvobj_priv *dvobj;
c2478d39 LF	463
c2478d39 LF	464	/* Initialize dvobj_priv */
c2478d39 LF	465	dvobj = usb_dvobj_init(pusb_intf);
2e48f0df	466	if (!dvobj) {
c2478d39 LF	467	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	468	("initialize device object priv Failed!\n"));
	469	goto exit;
	470	}
	471
	472	if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
2e48f0df	473	if (!if1) {
9aa39bc4	474	pr_debug("rtw_init_primarystruct adapter Failed!\n");
c2478d39 LF	475	goto free_dvobj;
	476	}
	477
e0732f84	478	return 0;
c2478d39	479
c2478d39	480	free_dvobj:
e0732f84	481	usb_dvobj_deinit(pusb_intf);
c2478d39	482	exit:
e0732f84	483	return -ENODEV;
c2478d39 LF	484	}
	485
	486	/*
	487	* dev_remove() - our device is being removed
	488	*/
	489	/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
	490	static void rtw_dev_remove(struct usb_interface *pusb_intf)
	491	{
	492	struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
	493	struct adapter *padapter = dvobj->if1;
	494
9aa39bc4	495	pr_debug("+rtw_dev_remove\n");
c2478d39 LF	496	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
c2478d39 LF	497
c824795c	498	if (!pusb_intf->unregistering)
c2478d39 LF	499	padapter->bSurpriseRemoved = true;
	500
	501	rtw_pm_set_ips(padapter, IPS_NONE);
	502	rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
	503
	504	LeaveAllPowerSaveMode(padapter);
	505
	506	rtw_usb_if1_deinit(padapter);
	507
	508	usb_dvobj_deinit(pusb_intf);
	509
	510	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
9aa39bc4	511	pr_debug("-r871xu_dev_remove, done\n");
c2478d39 LF	512	}
c2478d39 LF	513
5e2b1f15	514	static struct usb_driver rtl8188e_usb_drv = {
	515	.name = "r8188eu",
	516	.probe = rtw_drv_init,
	517	.disconnect = rtw_dev_remove,
	518	.id_table = rtw_usb_id_tbl,
	519	.suspend = rtw_suspend,
	520	.resume = rtw_resume,
	521	.reset_resume = rtw_resume,
	522	};
	523
774cce1e	524	module_usb_driver(rtl8188e_usb_drv)