--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ *
+ ******************************************************************************/
+#define _HCI_INTF_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <recv_osdep.h>
+#include <xmit_osdep.h>
+#include <hal_intf.h>
+#include <linux/usb.h>
+#include <linux/vmalloc.h>
+#include <osdep_intf.h>
+
+#include <usb_ops_linux.h>
+#include <usb_hal.h>
+#include <rtw_ioctl.h>
+
+int ui_pid[3] = {0, 0, 0};
+
+#define USB_VENDER_ID_REALTEK 0x0bda
+
+/* DID_USB_v916_20130116 */
+static struct usb_device_id rtw_usb_id_tbl[] = {
+ /*=== Realtek demoboard ===*/
+ {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8179)}, /* 8188EUS */
+ {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */
+ /*=== Customer ID ===*/
+ /****** 8188EUS ********/
+ {USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */
+ {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
+ {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
+ {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
+ {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
+ {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
+ {} /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
+
+static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
+{
+ int i;
+ int status = _FAIL;
+ struct dvobj_priv *pdvobjpriv;
+ struct usb_host_config *phost_conf;
+ struct usb_config_descriptor *pconf_desc;
+ struct usb_host_interface *phost_iface;
+ struct usb_interface_descriptor *piface_desc;
+ struct usb_endpoint_descriptor *pendp_desc;
+ struct usb_device *pusbd;
+
+
+ pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL);
+ if (pdvobjpriv == NULL)
+ goto exit;
+
+ pdvobjpriv->pusbintf = usb_intf;
+ pusbd = interface_to_usbdev(usb_intf);
+ pdvobjpriv->pusbdev = pusbd;
+ usb_set_intfdata(usb_intf, pdvobjpriv);
+
+ pdvobjpriv->RtNumInPipes = 0;
+ pdvobjpriv->RtNumOutPipes = 0;
+
+ phost_conf = pusbd->actconfig;
+ pconf_desc = &phost_conf->desc;
+
+ phost_iface = &usb_intf->altsetting[0];
+ piface_desc = &phost_iface->desc;
+
+ pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
+ pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
+ pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
+
+ for (i = 0; i < pdvobjpriv->nr_endpoint; i++) {
+ int ep_num;
+ pendp_desc = &phost_iface->endpoint[i].desc;
+
+ ep_num = usb_endpoint_num(pendp_desc);
+
+ if (usb_endpoint_is_bulk_in(pendp_desc)) {
+ pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
+ pdvobjpriv->RtNumInPipes++;
+ } else if (usb_endpoint_is_int_in(pendp_desc)) {
+ pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
+ pdvobjpriv->RtNumInPipes++;
+ } else if (usb_endpoint_is_bulk_out(pendp_desc)) {
+ pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
+ ep_num;
+ pdvobjpriv->RtNumOutPipes++;
+ }
+ pdvobjpriv->ep_num[i] = ep_num;
+ }
+
+ if (pusbd->speed == USB_SPEED_HIGH)
+ pdvobjpriv->ishighspeed = true;
+ else
+ pdvobjpriv->ishighspeed = false;
+
+ mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
+ pdvobjpriv->usb_vendor_req_buf = kzalloc(MAX_USB_IO_CTL_SIZE, GFP_KERNEL);
+
+ if (!pdvobjpriv->usb_vendor_req_buf)
+ goto free_dvobj;
+
+ usb_get_dev(pusbd);
+
+ status = _SUCCESS;
+
+free_dvobj:
+ if (status != _SUCCESS && pdvobjpriv) {
+ usb_set_intfdata(usb_intf, NULL);
+ kfree(pdvobjpriv);
+ pdvobjpriv = NULL;
+ }
+exit:
+ return pdvobjpriv;
+}
+
+static void usb_dvobj_deinit(struct usb_interface *usb_intf)
+{
+ struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
+
+
+ usb_set_intfdata(usb_intf, NULL);
+ if (dvobj) {
+ /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
+ if ((dvobj->NumInterfaces != 2 &&
+ dvobj->NumInterfaces != 3) ||
+ (dvobj->InterfaceNumber == 1)) {
+ if (interface_to_usbdev(usb_intf)->state !=
+ USB_STATE_NOTATTACHED) {
+ /* If we didn't unplug usb dongle and
+ * remove/insert module, driver fails
+ * on sitesurvey for the first time when
+ * device is up . Reset usb port for sitesurvey
+ * fail issue. */
+ DBG_88E("usb attached..., try to reset usb device\n");
+ usb_reset_device(interface_to_usbdev(usb_intf));
+ }
+ }
+
+ kfree(dvobj->usb_vendor_req_buf);
+ mutex_destroy(&dvobj->usb_vendor_req_mutex);
+ kfree(dvobj);
+ }
+
+ usb_put_dev(interface_to_usbdev(usb_intf));
+
+}
+
+static void usb_intf_start(struct adapter *padapter)
+{
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_start\n"));
+
+ rtw_hal_inirp_init(padapter);
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_start\n"));
+}
+
+static void usb_intf_stop(struct adapter *padapter)
+{
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
+
+ /* disable_hw_interrupt */
+ if (!padapter->bSurpriseRemoved) {
+ /* device still exists, so driver can do i/o operation */
+ /* TODO: */
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_,
+ ("SurpriseRemoved == false\n"));
+ }
+
+ /* cancel in irp */
+ rtw_hal_inirp_deinit(padapter);
+
+ /* cancel out irp */
+ usb_write_port_cancel(padapter);
+
+ /* todo:cancel other irps */
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
+}
+
+static void rtw_dev_unload(struct adapter *padapter)
+{
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
+
+ if (padapter->bup) {
+ DBG_88E("===> rtw_dev_unload\n");
+ padapter->bDriverStopped = true;
+ if (padapter->xmitpriv.ack_tx)
+ rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
+ /* s3. */
+ if (padapter->intf_stop)
+ padapter->intf_stop(padapter);
+ /* s4. */
+ if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
+ rtw_stop_drv_threads(padapter);
+
+ /* s5. */
+ if (!padapter->bSurpriseRemoved) {
+ rtw_hal_deinit(padapter);
+ padapter->bSurpriseRemoved = true;
+ }
+
+ padapter->bup = false;
+ } else {
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_,
+ ("r871x_dev_unload():padapter->bup == false\n"));
+ }
+
+ DBG_88E("<=== rtw_dev_unload\n");
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
+}
+
+static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
+{
+ struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
+ struct adapter *padapter = dvobj->if1;
+ struct net_device *pnetdev = padapter->pnetdev;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
+
+ int ret = 0;
+ u32 start_time = jiffies;
+
+
+ DBG_88E("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
+
+ if ((!padapter->bup) || (padapter->bDriverStopped) ||
+ (padapter->bSurpriseRemoved)) {
+ DBG_88E("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
+ padapter->bup, padapter->bDriverStopped,
+ padapter->bSurpriseRemoved);
+ goto exit;
+ }
+
+ pwrpriv->bInSuspend = true;
+ rtw_cancel_all_timer(padapter);
+ LeaveAllPowerSaveMode(padapter);
+
+ _enter_pwrlock(&pwrpriv->lock);
+ /* s1. */
+ if (pnetdev) {
+ netif_carrier_off(pnetdev);
+ netif_tx_stop_all_queues(pnetdev);
+ }
+
+ /* s2. */
+ rtw_disassoc_cmd(padapter, 0, false);
+
+ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
+ check_fwstate(pmlmepriv, _FW_LINKED)) {
+ DBG_88E("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
+ __func__, __LINE__,
+ pmlmepriv->cur_network.network.Ssid.Ssid,
+ pmlmepriv->cur_network.network.MacAddress,
+ pmlmepriv->cur_network.network.Ssid.SsidLength,
+ pmlmepriv->assoc_ssid.SsidLength);
+
+ pmlmepriv->to_roaming = 1;
+ }
+ /* s2-2. indicate disconnect to os */
+ rtw_indicate_disconnect(padapter);
+ /* s2-3. */
+ rtw_free_assoc_resources(padapter, 1);
+ /* s2-4. */
+ rtw_free_network_queue(padapter, true);
+
+ rtw_dev_unload(padapter);
+ _exit_pwrlock(&pwrpriv->lock);
+
+ if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
+ rtw_indicate_scan_done(padapter, 1);
+
+ if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
+ rtw_indicate_disconnect(padapter);
+
+exit:
+ DBG_88E("<=== %s return %d.............. in %dms\n", __func__
+ , ret, rtw_get_passing_time_ms(start_time));
+
+ return ret;
+}
+
+static int rtw_resume_process(struct adapter *padapter)
+{
+ struct net_device *pnetdev;
+ struct pwrctrl_priv *pwrpriv = NULL;
+ int ret = -1;
+ u32 start_time = jiffies;
+
+ DBG_88E("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
+
+ if (padapter) {
+ pnetdev = padapter->pnetdev;
+ pwrpriv = &padapter->pwrctrlpriv;
+ } else {
+ goto exit;
+ }
+
+ _enter_pwrlock(&pwrpriv->lock);
+ rtw_reset_drv_sw(padapter);
+ pwrpriv->bkeepfwalive = false;
+
+ DBG_88E("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
+ if (pm_netdev_open(pnetdev, true) != 0)
+ goto exit;
+
+ netif_device_attach(pnetdev);
+ netif_carrier_on(pnetdev);
+
+ _exit_pwrlock(&pwrpriv->lock);
+
+ if (padapter->pid[1] != 0) {
+ DBG_88E("pid[1]:%d\n", padapter->pid[1]);
+ rtw_signal_process(padapter->pid[1], SIGUSR2);
+ }
+
+ rtw_roaming(padapter, NULL);
+
+ ret = 0;
+exit:
+ if (pwrpriv)
+ pwrpriv->bInSuspend = false;
+ DBG_88E("<=== %s return %d.............. in %dms\n", __func__,
+ ret, rtw_get_passing_time_ms(start_time));
+
+
+ return ret;
+}
+
+static int rtw_resume(struct usb_interface *pusb_intf)
+{
+ struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
+ struct adapter *padapter = dvobj->if1;
+
+ return rtw_resume_process(padapter);
+}
+
+/*
+ * drv_init() - a device potentially for us
+ *
+ * notes: drv_init() is called when the bus driver has located
+ * a card for us to support.
+ * We accept the new device by returning 0.
+ */
+
+static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
+ struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
+{
+ struct adapter *padapter = NULL;
+ struct net_device *pnetdev = NULL;
+ int status = _FAIL;
+
+ padapter = (struct adapter *)vzalloc(sizeof(*padapter));
+ if (padapter == NULL)
+ goto exit;
+ padapter->dvobj = dvobj;
+ dvobj->if1 = padapter;
+
+ padapter->bDriverStopped = true;
+ mutex_init(&padapter->hw_init_mutex);
+ padapter->chip_type = RTL8188E;
+
+ pnetdev = rtw_init_netdev(padapter);
+ if (pnetdev == NULL)
+ goto free_adapter;
+ SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
+ padapter = rtw_netdev_priv(pnetdev);
+
+ /* step 2. hook HalFunc, allocate HalData */
+ hal_set_hal_ops(padapter);
+
+ padapter->intf_start = &usb_intf_start;
+ padapter->intf_stop = &usb_intf_stop;
+
+ /* step read_chip_version */
+ rtw_hal_read_chip_version(padapter);
+
+ /* step usb endpoint mapping */
+ rtw_hal_chip_configure(padapter);
+
+ /* step read efuse/eeprom data and get mac_addr */
+ rtw_hal_read_chip_info(padapter);
+
+ /* step 5. */
+ if (rtw_init_drv_sw(padapter) == _FAIL) {
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_,
+ ("Initialize driver software resource Failed!\n"));
+ goto free_hal_data;
+ }
+
+#ifdef CONFIG_PM
+ if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
+ dvobj->pusbdev->do_remote_wakeup = 1;
+ pusb_intf->needs_remote_wakeup = 1;
+ device_init_wakeup(&pusb_intf->dev, 1);
+ DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
+ DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
+ device_may_wakeup(&pusb_intf->dev));
+ }
+#endif
+
+ /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
+ * suspend influence */
+ if (usb_autopm_get_interface(pusb_intf) < 0)
+ DBG_88E("can't get autopm:\n");
+
+ /* alloc dev name after read efuse. */
+ rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
+ rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
+ memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
+ DBG_88E("MAC Address from pnetdev->dev_addr = %pM\n",
+ pnetdev->dev_addr);
+
+ /* step 6. Tell the network stack we exist */
+ if (register_netdev(pnetdev) != 0) {
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
+ goto free_hal_data;
+ }
+
+ DBG_88E("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
+ , padapter->bDriverStopped
+ , padapter->bSurpriseRemoved
+ , padapter->bup
+ , padapter->hw_init_completed
+ );
+
+ status = _SUCCESS;
+
+free_hal_data:
+ if (status != _SUCCESS)
+ kfree(padapter->HalData);
+free_adapter:
+ if (status != _SUCCESS) {
+ if (pnetdev)
+ rtw_free_netdev(pnetdev);
+ else if (padapter)
+ vfree(padapter);
+ padapter = NULL;
+ }
+exit:
+ return padapter;
+}
+
+static void rtw_usb_if1_deinit(struct adapter *if1)
+{
+ struct net_device *pnetdev = if1->pnetdev;
+ struct mlme_priv *pmlmepriv = &if1->mlmepriv;
+
+ if (check_fwstate(pmlmepriv, _FW_LINKED))
+ rtw_disassoc_cmd(if1, 0, false);
+
+#ifdef CONFIG_88EU_AP_MODE
+ free_mlme_ap_info(if1);
+#endif
+
+ if (pnetdev) {
+ /* will call netdev_close() */
+ unregister_netdev(pnetdev);
+ rtw_proc_remove_one(pnetdev);
+ }
+ rtw_cancel_all_timer(if1);
+
+ rtw_dev_unload(if1);
+ DBG_88E("+r871xu_dev_remove, hw_init_completed=%d\n",
+ if1->hw_init_completed);
+ rtw_free_drv_sw(if1);
+ if (pnetdev)
+ rtw_free_netdev(pnetdev);
+}
+
+static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
+{
+ struct adapter *if1 = NULL;
+ int status = _FAIL;
+ struct dvobj_priv *dvobj;
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_init\n"));
+
+ /* Initialize dvobj_priv */
+ dvobj = usb_dvobj_init(pusb_intf);
+ if (dvobj == NULL) {
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_,
+ ("initialize device object priv Failed!\n"));
+ goto exit;
+ }
+
+ if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
+ if (if1 == NULL) {
+ DBG_88E("rtw_init_primarystruct adapter Failed!\n");
+ goto free_dvobj;
+ }
+
+ if (ui_pid[1] != 0) {
+ DBG_88E("ui_pid[1]:%d\n", ui_pid[1]);
+ rtw_signal_process(ui_pid[1], SIGUSR2);
+ }
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
+
+ status = _SUCCESS;
+
+free_dvobj:
+ if (status != _SUCCESS)
+ usb_dvobj_deinit(pusb_intf);
+exit:
+ return status == _SUCCESS ? 0 : -ENODEV;
+}
+
+/*
+ * dev_remove() - our device is being removed
+*/
+/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
+static void rtw_dev_remove(struct usb_interface *pusb_intf)
+{
+ struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
+ struct adapter *padapter = dvobj->if1;
+
+
+ DBG_88E("+rtw_dev_remove\n");
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
+
+ if (!pusb_intf->unregistering)
+ padapter->bSurpriseRemoved = true;
+
+ rtw_pm_set_ips(padapter, IPS_NONE);
+ rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
+
+ LeaveAllPowerSaveMode(padapter);
+
+ rtw_usb_if1_deinit(padapter);
+
+ usb_dvobj_deinit(pusb_intf);
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
+ DBG_88E("-r871xu_dev_remove, done\n");
+}
+
+static struct usb_driver rtl8188e_usb_drv = {
+ .name = "r8188eu",
+ .probe = rtw_drv_init,
+ .disconnect = rtw_dev_remove,
+ .id_table = rtw_usb_id_tbl,
+ .suspend = rtw_suspend,
+ .resume = rtw_resume,
+ .reset_resume = rtw_resume,
+};
+
+module_usb_driver(rtl8188e_usb_drv)
Code Review / kvmfornfv.git / blobdiff