[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 <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;
	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;
	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) {
		usb_set_intfdata(usb_intf, NULL);
		kfree(pdvobjpriv);
		return NULL;
	}
	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));
			}
		}

		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) {
		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. */
		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"));
	}

	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);

	_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)) {
		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);
	_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:
	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;
	}

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

	pr_debug("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;
	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;
	}

	/* 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);
		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) {
		/* will call netdev_close() */
		unregister_netdev(pnetdev);
		rtw_proc_remove_one(pnetdev);
	}
	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 <usb_hal.h>
	29	#include <rtw_ioctl.h>
	30
c2478d39 LF	31	#define USB_VENDER_ID_REALTEK 0x0bda
	32
	33	/* DID_USB_v916_20130116 */
	34	static struct usb_device_id rtw_usb_id_tbl[] = {
	35	/=== Realtek demoboard ===/
	36	{USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8179)}, /* 8188EUS */
	37	{USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */
	38	/=== Customer ID ===/
	39	/**** 8188EUS ******/
a2fa6721	40	{USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */
08951f10	41	{USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
df3f4edc	42	{USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
260ea9c2	43	{USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
6d4556fc	44	{USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
8626d524	45	{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
c2478d39 LF	46	{} /* Terminating entry */
	47	};
	48
	49	MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
	50
c2478d39 LF	51	static struct dvobj_priv usb_dvobj_init(struct usb_interface usb_intf)
	52	{
	53	int i;
c2478d39 LF	54	struct dvobj_priv *pdvobjpriv;
	55	struct usb_host_config *phost_conf;
	56	struct usb_config_descriptor *pconf_desc;
	57	struct usb_host_interface *phost_iface;
	58	struct usb_interface_descriptor *piface_desc;
c2478d39 LF	59	struct usb_endpoint_descriptor *pendp_desc;
	60	struct usb_device *pusbd;
	61
fadbe0cd	62	pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL);
574502ca	63	if (!pdvobjpriv)
586b0632	64	return NULL;
c2478d39 LF	65
	66	pdvobjpriv->pusbintf = usb_intf;
	67	pusbd = interface_to_usbdev(usb_intf);
	68	pdvobjpriv->pusbdev = pusbd;
	69	usb_set_intfdata(usb_intf, pdvobjpriv);
	70
	71	pdvobjpriv->RtNumInPipes = 0;
	72	pdvobjpriv->RtNumOutPipes = 0;
	73
	74	phost_conf = pusbd->actconfig;
	75	pconf_desc = &phost_conf->desc;
	76
	77	phost_iface = &usb_intf->altsetting[0];
	78	piface_desc = &phost_iface->desc;
	79
	80	pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
	81	pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
	82	pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
	83
	84	for (i = 0; i < pdvobjpriv->nr_endpoint; i++) {
73fbfbfe	85	int ep_num;
6179ed59 JS	86	pendp_desc = &phost_iface->endpoint[i].desc;
	87
	88	ep_num = usb_endpoint_num(pendp_desc);
	89
	90	if (usb_endpoint_is_bulk_in(pendp_desc)) {
	91	pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
	92	pdvobjpriv->RtNumInPipes++;
	93	} else if (usb_endpoint_is_int_in(pendp_desc)) {
	94	pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
	95	pdvobjpriv->RtNumInPipes++;
	96	} else if (usb_endpoint_is_bulk_out(pendp_desc)) {
	97	pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
	98	ep_num;
	99	pdvobjpriv->RtNumOutPipes++;
c2478d39	100	}
6179ed59	101	pdvobjpriv->ep_num[i] = ep_num;
c2478d39 LF	102	}
c2478d39 LF	103
21335144	104	if (pusbd->speed == USB_SPEED_HIGH)
c2478d39	105	pdvobjpriv->ishighspeed = true;
21335144	106	else
c2478d39	107	pdvobjpriv->ishighspeed = false;
c2478d39	108
418f9642	109	mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
fadbe0cd	110	pdvobjpriv->usb_vendor_req_buf = kzalloc(MAX_USB_IO_CTL_SIZE, GFP_KERNEL);
418f9642	111
705a3136	112	if (!pdvobjpriv->usb_vendor_req_buf) {
c2478d39 LF	113	usb_set_intfdata(usb_intf, NULL);
c2478d39 LF	114	kfree(pdvobjpriv);
705a3136	115	return NULL;
c2478d39	116	}
705a3136	117	usb_get_dev(pusbd);
586b0632	118
c2478d39 LF	119	return pdvobjpriv;
	120	}
	121
	122	static void usb_dvobj_deinit(struct usb_interface *usb_intf)
	123	{
	124	struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
	125
c2478d39 LF	126	usb_set_intfdata(usb_intf, NULL);
	127	if (dvobj) {
	128	/* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
	129	if ((dvobj->NumInterfaces != 2 &&
	130	dvobj->NumInterfaces != 3) \|\|
	131	(dvobj->InterfaceNumber == 1)) {
	132	if (interface_to_usbdev(usb_intf)->state !=
	133	USB_STATE_NOTATTACHED) {
	134	/* If we didn't unplug usb dongle and
	135	* remove/insert module, driver fails
	136	* on sitesurvey for the first time when
	137	* device is up . Reset usb port for sitesurvey
	138	* fail issue. */
9aa39bc4	139	pr_debug("usb attached..., try to reset usb device\n");
c2478d39 LF	140	usb_reset_device(interface_to_usbdev(usb_intf));
	141	}
	142	}
f0e7a514	143
	144	kfree(dvobj->usb_vendor_req_buf);
	145	mutex_destroy(&dvobj->usb_vendor_req_mutex);
c2478d39 LF	146	kfree(dvobj);
	147	}
	148
	149	usb_put_dev(interface_to_usbdev(usb_intf));
	150
c2478d39 LF	151	}
c2478d39 LF	152
c2478d39 LF	153	static void usb_intf_start(struct adapter *padapter)
	154	{
	155	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_start\n"));
	156
	157	rtw_hal_inirp_init(padapter);
	158
	159	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_start\n"));
	160	}
	161
	162	static void usb_intf_stop(struct adapter *padapter)
	163	{
	164	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
	165
8895f04b	166	/* disable_hw_interrupt */
c2478d39 LF	167	if (!padapter->bSurpriseRemoved) {
	168	/* device still exists, so driver can do i/o operation */
	169	/* TODO: */
	170	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	171	("SurpriseRemoved == false\n"));
	172	}
	173
	174	/* cancel in irp */
	175	rtw_hal_inirp_deinit(padapter);
	176
	177	/* cancel out irp */
14af3550	178	usb_write_port_cancel(padapter);
c2478d39 LF	179
	180	/* todo:cancel other irps */
	181
	182	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
	183	}
	184
	185	static void rtw_dev_unload(struct adapter *padapter)
	186	{
	187	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
	188
	189	if (padapter->bup) {
9aa39bc4	190	pr_debug("===> rtw_dev_unload\n");
c2478d39 LF	191	padapter->bDriverStopped = true;
	192	if (padapter->xmitpriv.ack_tx)
	193	rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
	194	/* s3. */
	195	if (padapter->intf_stop)
	196	padapter->intf_stop(padapter);
	197	/* s4. */
	198	if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
	199	rtw_stop_drv_threads(padapter);
	200
	201	/* s5. */
	202	if (!padapter->bSurpriseRemoved) {
	203	rtw_hal_deinit(padapter);
	204	padapter->bSurpriseRemoved = true;
	205	}
	206
	207	padapter->bup = false;
	208	} else {
	209	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	210	("r871x_dev_unload():padapter->bup == false\n"));
	211	}
	212
9aa39bc4	213	pr_debug("<=== rtw_dev_unload\n");
c2478d39 LF	214
	215	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
	216	}
	217
c2478d39 LF	218	static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
	219	{
	220	struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
	221	struct adapter *padapter = dvobj->if1;
	222	struct net_device *pnetdev = padapter->pnetdev;
	223	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
	224	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
ed737494	225	unsigned long start_time = jiffies;
c2478d39	226
9aa39bc4	227	pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
c2478d39 LF	228
	229	if ((!padapter->bup) \|\| (padapter->bDriverStopped) \|\|
	230	(padapter->bSurpriseRemoved)) {
9aa39bc4	231	pr_debug("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
c2478d39 LF	232	padapter->bup, padapter->bDriverStopped,
	233	padapter->bSurpriseRemoved);
	234	goto exit;
	235	}
	236
	237	pwrpriv->bInSuspend = true;
	238	rtw_cancel_all_timer(padapter);
	239	LeaveAllPowerSaveMode(padapter);
	240
	241	_enter_pwrlock(&pwrpriv->lock);
	242	/* s1. */
	243	if (pnetdev) {
	244	netif_carrier_off(pnetdev);
945c0972	245	netif_tx_stop_all_queues(pnetdev);
c2478d39 LF	246	}
	247
	248	/* s2. */
	249	rtw_disassoc_cmd(padapter, 0, false);
	250
	251	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
	252	check_fwstate(pmlmepriv, _FW_LINKED)) {
9aa39bc4	253	pr_debug("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
c2478d39 LF	254	__func__, __LINE__,
	255	pmlmepriv->cur_network.network.Ssid.Ssid,
	256	pmlmepriv->cur_network.network.MacAddress,
	257	pmlmepriv->cur_network.network.Ssid.SsidLength,
	258	pmlmepriv->assoc_ssid.SsidLength);
	259
	260	pmlmepriv->to_roaming = 1;
	261	}
	262	/* s2-2. indicate disconnect to os */
	263	rtw_indicate_disconnect(padapter);
	264	/* s2-3. */
b4ba3b57	265	rtw_free_assoc_resources(padapter);
c2478d39 LF	266	/* s2-4. */
	267	rtw_free_network_queue(padapter, true);
	268
	269	rtw_dev_unload(padapter);
	270	_exit_pwrlock(&pwrpriv->lock);
	271
	272	if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
	273	rtw_indicate_scan_done(padapter, 1);
	274
	275	if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
	276	rtw_indicate_disconnect(padapter);
	277
	278	exit:
7d708e52	279	pr_debug("<=== %s .............. in %dms\n", __func__,
ed737494	280	jiffies_to_msecs(jiffies - start_time));
c2478d39	281
7d708e52	282	return 0;
c2478d39 LF	283	}
c2478d39 LF	284
0aba3f41	285	static int rtw_resume_process(struct adapter *padapter)
c2478d39 LF	286	{
	287	struct net_device *pnetdev;
	288	struct pwrctrl_priv *pwrpriv = NULL;
	289	int ret = -1;
ed737494	290	unsigned long start_time = jiffies;
c2478d39	291
9aa39bc4	292	pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
c2478d39 LF	293
	294	if (padapter) {
	295	pnetdev = padapter->pnetdev;
	296	pwrpriv = &padapter->pwrctrlpriv;
	297	} else {
	298	goto exit;
	299	}
	300
	301	_enter_pwrlock(&pwrpriv->lock);
	302	rtw_reset_drv_sw(padapter);
89b90c68	303	pwrpriv->bkeepfwalive = false;
c2478d39	304
9aa39bc4	305	pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
c2478d39 LF	306	if (pm_netdev_open(pnetdev, true) != 0)
	307	goto exit;
	308
	309	netif_device_attach(pnetdev);
	310	netif_carrier_on(pnetdev);
	311
	312	_exit_pwrlock(&pwrpriv->lock);
	313
c2478d39 LF	314	rtw_roaming(padapter, NULL);
	315
	316	ret = 0;
	317	exit:
	318	if (pwrpriv)
	319	pwrpriv->bInSuspend = false;
9aa39bc4	320	pr_debug("<=== %s return %d.............. in %dms\n", __func__,
ed737494	321	ret, jiffies_to_msecs(jiffies - start_time));
c2478d39	322
c2478d39 LF	323	return ret;
	324	}
	325
0aba3f41	326	static int rtw_resume(struct usb_interface *pusb_intf)
	327	{
	328	struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
	329	struct adapter *padapter = dvobj->if1;
	330
	331	return rtw_resume_process(padapter);
	332	}
	333
c2478d39 LF	334	/*
	335	* drv_init() - a device potentially for us
	336	*
	337	* notes: drv_init() is called when the bus driver has located
	338	* a card for us to support.
	339	* We accept the new device by returning 0.
	340	*/
	341
	342	static struct adapter rtw_usb_if1_init(struct dvobj_priv dvobj,
	343	struct usb_interface pusb_intf, const struct usb_device_id pdid)
	344	{
	345	struct adapter *padapter = NULL;
	346	struct net_device *pnetdev = NULL;
0a0796eb	347	struct net_device *pmondev;
c2478d39 LF	348	int status = _FAIL;
c2478d39 LF	349
2397c6e0	350	padapter = (struct adapter )vzalloc(sizeof(padapter));
c2478d39 LF	351	if (padapter == NULL)
	352	goto exit;
	353	padapter->dvobj = dvobj;
	354	dvobj->if1 = padapter;
	355
	356	padapter->bDriverStopped = true;
fc8b5ae9	357	mutex_init(&padapter->hw_init_mutex);
c2478d39	358
c2478d39 LF	359	pnetdev = rtw_init_netdev(padapter);
c2478d39 LF	360	if (pnetdev == NULL)
0f56c6e9	361	goto free_adapter;
c2478d39 LF	362	SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
	363	padapter = rtw_netdev_priv(pnetdev);
	364
0a0796eb JS	365	if (padapter->registrypriv.monitor_enable) {
	366	pmondev = rtl88eu_mon_init();
	367	if (pmondev == NULL)
	368	netdev_warn(pnetdev, "Failed to initialize monitor interface");
	369	padapter->pmondev = pmondev;
	370	}
	371
c2478d39 LF	372	/* step 2. hook HalFunc, allocate HalData */
	373	hal_set_hal_ops(padapter);
	374
	375	padapter->intf_start = &usb_intf_start;
	376	padapter->intf_stop = &usb_intf_stop;
	377
c2478d39 LF	378	/* step read_chip_version */
	379	rtw_hal_read_chip_version(padapter);
	380
	381	/* step usb endpoint mapping */
	382	rtw_hal_chip_configure(padapter);
	383
	384	/* step read efuse/eeprom data and get mac_addr */
	385	rtw_hal_read_chip_info(padapter);
	386
	387	/* step 5. */
	388	if (rtw_init_drv_sw(padapter) == _FAIL) {
	389	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	390	("Initialize driver software resource Failed!\n"));
	391	goto free_hal_data;
	392	}
	393
	394	#ifdef CONFIG_PM
	395	if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
	396	dvobj->pusbdev->do_remote_wakeup = 1;
	397	pusb_intf->needs_remote_wakeup = 1;
	398	device_init_wakeup(&pusb_intf->dev, 1);
9aa39bc4 SM	399	pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
9aa39bc4 SM	400	pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
c2478d39 LF	401	device_may_wakeup(&pusb_intf->dev));
	402	}
	403	#endif
	404
	405	/* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
	406	* suspend influence */
	407	if (usb_autopm_get_interface(pusb_intf) < 0)
9aa39bc4	408	pr_debug("can't get autopm:\n");
c2478d39 LF	409
	410	/* alloc dev name after read efuse. */
	411	rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
	412	rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
c2478d39	413	memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
9aa39bc4	414	pr_debug("MAC Address from pnetdev->dev_addr = %pM\n",
c2478d39 LF	415	pnetdev->dev_addr);
	416
	417	/* step 6. Tell the network stack we exist */
	418	if (register_netdev(pnetdev) != 0) {
	419	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
	420	goto free_hal_data;
	421	}
	422
9aa39bc4	423	pr_debug("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
c2478d39 LF	424	, padapter->bDriverStopped
	425	, padapter->bSurpriseRemoved
	426	, padapter->bup
	427	, padapter->hw_init_completed
	428	);
	429
	430	status = _SUCCESS;
	431
	432	free_hal_data:
dc2f9db9	433	if (status != _SUCCESS)
c2478d39	434	kfree(padapter->HalData);
c2478d39 LF	435	free_adapter:
	436	if (status != _SUCCESS) {
	437	if (pnetdev)
	438	rtw_free_netdev(pnetdev);
2c10efbd	439	else
03bd6aea	440	vfree(padapter);
c2478d39 LF	441	padapter = NULL;
	442	}
	443	exit:
	444	return padapter;
	445	}
	446
	447	static void rtw_usb_if1_deinit(struct adapter *if1)
	448	{
	449	struct net_device *pnetdev = if1->pnetdev;
	450	struct mlme_priv *pmlmepriv = &if1->mlmepriv;
	451
	452	if (check_fwstate(pmlmepriv, _FW_LINKED))
	453	rtw_disassoc_cmd(if1, 0, false);
	454
	455	#ifdef CONFIG_88EU_AP_MODE
	456	free_mlme_ap_info(if1);
	457	#endif
	458
451f8742	459	if (pnetdev) {
	460	/* will call netdev_close() */
	461	unregister_netdev(pnetdev);
	462	rtw_proc_remove_one(pnetdev);
c2478d39	463	}
0a0796eb	464	rtl88eu_mon_deinit(if1->pmondev);
c2478d39 LF	465	rtw_cancel_all_timer(if1);
	466
	467	rtw_dev_unload(if1);
9aa39bc4	468	pr_debug("+r871xu_dev_remove, hw_init_completed=%d\n",
c2478d39	469	if1->hw_init_completed);
c2478d39	470	rtw_free_drv_sw(if1);
a4e320b7	471	rtw_free_netdev(pnetdev);
c2478d39 LF	472	}
	473
	474	static int rtw_drv_init(struct usb_interface pusb_intf, const struct usb_device_id pdid)
	475	{
	476	struct adapter *if1 = NULL;
c2478d39 LF	477	struct dvobj_priv *dvobj;
c2478d39 LF	478
c2478d39 LF	479	/* Initialize dvobj_priv */
c2478d39 LF	480	dvobj = usb_dvobj_init(pusb_intf);
2e48f0df	481	if (!dvobj) {
c2478d39 LF	482	RT_TRACE(_module_hci_intfs_c_, _drv_err_,
	483	("initialize device object priv Failed!\n"));
	484	goto exit;
	485	}
	486
	487	if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
2e48f0df	488	if (!if1) {
9aa39bc4	489	pr_debug("rtw_init_primarystruct adapter Failed!\n");
c2478d39 LF	490	goto free_dvobj;
	491	}
	492
e0732f84	493	return 0;
c2478d39	494
c2478d39	495	free_dvobj:
e0732f84	496	usb_dvobj_deinit(pusb_intf);
c2478d39	497	exit:
e0732f84	498	return -ENODEV;
c2478d39 LF	499	}
	500
	501	/*
	502	* dev_remove() - our device is being removed
	503	*/
	504	/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
	505	static void rtw_dev_remove(struct usb_interface *pusb_intf)
	506	{
	507	struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
	508	struct adapter *padapter = dvobj->if1;
	509
9aa39bc4	510	pr_debug("+rtw_dev_remove\n");
c2478d39 LF	511	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
c2478d39 LF	512
c824795c	513	if (!pusb_intf->unregistering)
c2478d39 LF	514	padapter->bSurpriseRemoved = true;
	515
	516	rtw_pm_set_ips(padapter, IPS_NONE);
	517	rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
	518
	519	LeaveAllPowerSaveMode(padapter);
	520
	521	rtw_usb_if1_deinit(padapter);
	522
	523	usb_dvobj_deinit(pusb_intf);
	524
	525	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
9aa39bc4	526	pr_debug("-r871xu_dev_remove, done\n");
c2478d39 LF	527	}
c2478d39 LF	528
5e2b1f15	529	static struct usb_driver rtl8188e_usb_drv = {
	530	.name = "r8188eu",
	531	.probe = rtw_drv_init,
	532	.disconnect = rtw_dev_remove,
	533	.id_table = rtw_usb_id_tbl,
	534	.suspend = rtw_suspend,
	535	.resume = rtw_resume,
	536	.reset_resume = rtw_resume,
	537	};
	538
774cce1e	539	module_usb_driver(rtl8188e_usb_drv)