/** * \fn wlanDrvIf_Create * \brief Create the driver instance * * Allocate driver object. * Initialize driver OS resources (IRQ, workqueue, events socket) * Setup driver network interface. * Create and link all driver modules. * * \note * \param void * \return 0 - OK, else - failure * \sa wlanDrvIf_Destroy */ static int wlanDrvIf_Create (void) { TWlanDrvIfObj *drv; /* Dm: Failure is not cleaned properly !!! */ int rc; /* Allocate driver's structure */ drv = kmalloc (sizeof(TWlanDrvIfObj), GFP_KERNEL); if (!drv) { return -ENOMEM; } #ifdef TI_DBG tb_init(TB_OPTION_NONE); #endif pDrvStaticHandle = drv; /* save for module destroy */ #ifdef TI_MEM_ALLOC_TRACE os_printf ("MTT:%s:%d ::kmalloc(%lu, %x) : %lu\n", __FUNCTION__, __LINE__, sizeof(TWlanDrvIfObj), GFP_KERNEL, sizeof(TWlanDrvIfObj)); #endif memset (drv, 0, sizeof(TWlanDrvIfObj)); /* Dm: drv->irq = TNETW_IRQ; */ drv->tCommon.eDriverState = DRV_STATE_IDLE; drv->tiwlan_wq = create_freezeable_workqueue(DRIVERWQ_NAME); if (!drv->tiwlan_wq) { ti_dprintf (TIWLAN_LOG_ERROR, "wlanDrvIf_Create(): Failed to create workQ!\n"); rc = -EINVAL; goto drv_create_end_1; } drv->wl_packet = 0; drv->wl_count = 0; #ifdef CONFIG_HAS_WAKELOCK wake_lock_init(&drv->wl_wifi, WAKE_LOCK_SUSPEND, "wifi_wake"); wake_lock_init(&drv->wl_rxwake, WAKE_LOCK_SUSPEND, "wifi_rx_wake"); #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) INIT_WORK(&drv->tWork, wlanDrvIf_DriverTask, (void *)drv); #else INIT_WORK(&drv->tWork, wlanDrvIf_DriverTask); #endif spin_lock_init (&drv->lock); /* Setup driver network interface. */ rc = wlanDrvIf_SetupNetif (drv); if (rc) { goto drv_create_end_2; } /* Create the events socket interface */ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) drv->wl_sock = netlink_kernel_create( NETLINK_USERSOCK, 0, NULL, THIS_MODULE ); #else drv->wl_sock = netlink_kernel_create(&init_net, NETLINK_USERSOCK, 0, NULL, NULL, THIS_MODULE ); #endif if (drv->wl_sock == NULL) { ti_dprintf (TIWLAN_LOG_ERROR, "netlink_kernel_create() failed !\n"); rc = -EINVAL; goto drv_create_end_3; } /* Create all driver modules and link their handles */ rc = drvMain_Create (drv, &drv->tCommon.hDrvMain, &drv->tCommon.hCmdHndlr, &drv->tCommon.hContext, &drv->tCommon.hTxDataQ, &drv->tCommon.hTxMgmtQ, &drv->tCommon.hTxCtrl, &drv->tCommon.hTWD, &drv->tCommon.hEvHandler, &drv->tCommon.hCmdDispatch, &drv->tCommon.hReport); if (rc != TI_OK) { ti_dprintf (TIWLAN_LOG_ERROR, "%s: Failed to dvrMain_Create!\n", __func__); rc = -EINVAL; goto drv_create_end_4; } /* * Initialize interrupts (or polling mode for debug): */ #ifdef PRIODIC_INTERRUPT /* Debug mode: Polling (the timer is started by HwInit process) */ drv->hPollTimer = os_timerCreate ((TI_HANDLE)drv, wlanDrvIf_PollIrqHandler, (TI_HANDLE)drv); #else /* Normal mode: Interrupts (the default mode) */ rc = hPlatform_initInterrupt (drv, (void*)wlanDrvIf_HandleInterrupt); #if 1 //wait to debug if (rc) { ti_dprintf (TIWLAN_LOG_ERROR, "wlanDrvIf_Create(): Failed to register interrupt handler!\n"); goto drv_create_end_5; } #endif #endif /* PRIODIC_INTERRUPT */ return 0; #if 1 //wait to debug drv_create_end_5: /* Destroy all driver modules */ if (drv->tCommon.hDrvMain) { drvMain_Destroy (drv->tCommon.hDrvMain); } #endif drv_create_end_4: if (drv->wl_sock) { sock_release (drv->wl_sock->sk_socket); } drv_create_end_3: /* Release the driver network interface */ if (drv->netdev) { unregister_netdev (drv->netdev); free_netdev (drv->netdev); } drv_create_end_2: #ifdef CONFIG_HAS_WAKELOCK wake_lock_destroy(&drv->wl_wifi); wake_lock_destroy(&drv->wl_rxwake); #endif if (drv->tiwlan_wq) destroy_workqueue(drv->tiwlan_wq); drv_create_end_1: kfree(drv); printk("%s: Fail\n", __func__); return rc; }
/** * \fn wlanDrvIf_Create * \brief Create the driver instance * * Allocate driver object. * Initialize driver OS resources (IRQ, workqueue, events socket) * Setup driver network interface. * Create and link all driver modules. * * \note * \param void * \return 0 - OK, else - failure * \sa wlanDrvIf_Destroy */ static int wlanDrvIf_Create (void) { TWlanDrvIfObj *drv; int rc; /* Allocate driver's structure */ drv = kmalloc (sizeof(TWlanDrvIfObj), GFP_KERNEL); if (!drv) { return -ENOMEM; } #ifdef TI_DBG tb_init(TB_OPTION_NONE); #endif pDrvStaticHandle = drv; /* save for module destroy */ #ifdef TI_MEM_ALLOC_TRACE os_printf ("MTT:%s:%d ::kmalloc(%lu, %x) : %lu\n", __FUNCTION__, __LINE__, sizeof(TWlanDrvIfObj), GFP_KERNEL, sizeof(TWlanDrvIfObj)); #endif memset (drv, 0, sizeof(TWlanDrvIfObj)); /* #if defined HOST_PLATFORM_OMAP3430 || defined HOST_PLATFORM_ZOOM2 || defined HOST_PLATFORM_ZOOM1 if(g_external_board) { WLAN_OS_REPORT(("\nZoom2 use external board")); drv->irq = (OMAP_GPIO_IRQ(IRQ_GPIO_EXT)); } else { drv->irq = (OMAP_GPIO_IRQ(IRQ_GPIO)); } #endif */ drv->irq = tiwlan_ext_int_init(); drv->tCommon.eDriverState = DRV_STATE_IDLE; #ifdef AP_MODE_ENABLED /* for STA role, need to allocate another driver and to set STA role */ drv->tCommon.eIfRole = IF_ROLE_TYPE_AP; #endif drv->pWorkQueue = create_singlethread_workqueue (TIWLAN_DRV_NAME); if (!drv->pWorkQueue) { return -ENOMEM; } #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) INIT_WORK(&drv->tWork, wlanDrvIf_DriverTask, (void *)drv); #else INIT_WORK(&drv->tWork, wlanDrvIf_DriverTask); #endif spin_lock_init (&drv->lock); /* Setup driver network interface. */ rc = wlanDrvIf_SetupNetif (drv); if (rc) { kfree (drv); return rc; } /* Create the events socket interface */ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) drv->wl_sock = netlink_kernel_create( NETLINK_USERSOCK, 0, NULL, THIS_MODULE ); #else drv->wl_sock = netlink_kernel_create(&init_net, NETLINK_USERSOCK, 0, NULL, NULL, THIS_MODULE ); #endif if (drv->wl_sock == NULL) { ti_dprintf (TIWLAN_LOG_ERROR, "netlink_kernel_create() failed !\n"); return -EINVAL; } /* Create all driver modules and link their handles */ drvMain_Create (drv, &drv->tCommon.hDrvMain, &drv->tCommon.hCmdHndlr, &drv->tCommon.hContext, &drv->tCommon.hTxDataQ, &drv->tCommon.hTxMgmtQ, &drv->tCommon.hTxCtrl, &drv->tCommon.hTWD, &drv->tCommon.hEvHandler, &drv->tCommon.hCmdDispatch, &drv->tCommon.hReport); /* * Initialize interrupts (or polling mode for debug): */ #ifdef PRIODIC_INTERRUPT /* Debug mode: Polling (the timer is started by HwInit process) */ drv->hPollTimer = os_timerCreate ((TI_HANDLE)drv, wlanDrvIf_PollIrqHandler, (TI_HANDLE)drv); #else /* Normal mode: Interrupts (the default mode) */ rc = hPlatform_initInterrupt (drv, (void*)wlanDrvIf_HandleInterrupt); if (rc) { ti_dprintf (TIWLAN_LOG_ERROR, "wlanDrvIf_Create(): Failed to register interrupt handler!\n"); return rc; } #ifdef HOST_PLATFORM_OMAP2430 set_irq_type (drv->irq, IRQT_FALLING); #endif #endif /* PRIODIC_INTERRUPT */ return 0; }
/** * \fn wlanDrvIf_Create * \brief Create the driver instance * * Allocate driver object. * Initialize driver OS resources (IRQ, workqueue, events socket) * Setup driver network interface. * Create and link all driver modules. * * \note * \param void * \return 0 - OK, else - failure * \sa wlanDrvIf_Destroy */ static int wlanDrvIf_Create (void) { TWlanDrvIfObj *drv; int rc; /* Allocate driver's structure */ drv = kmalloc (sizeof(TWlanDrvIfObj), GFP_KERNEL); if (!drv) { return -ENOMEM; } #ifdef TI_DBG tb_init(TB_OPTION_NONE); #endif pDrvStaticHandle = drv; /* save for module destroy */ #ifdef TI_MEM_ALLOC_TRACE os_printf ("MTT:%s:%d ::kmalloc(%lu, %x) : %lu\n", __FUNCTION__, __LINE__, sizeof(TWlanDrvIfObj), GFP_KERNEL, sizeof(TWlanDrvIfObj)); #endif memset (drv, 0, sizeof(TWlanDrvIfObj)); drv->tCommon.eDriverState = DRV_STATE_IDLE; drv->pWorkQueue = create_singlethread_workqueue(TIWLAN_WQ_NAME); if (!drv->pWorkQueue) { return -ENOMEM; } drv->wl_packet = 0; drv->wl_count = 0; #ifdef CONFIG_HAS_WAKELOCK wake_lock_init(&drv->wl_wifi, WAKE_LOCK_SUSPEND, "wifi_wake"); wake_lock_init(&drv->wl_rxwake, WAKE_LOCK_SUSPEND, "wifi_rx_wake"); #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) INIT_WORK(&drv->tWork, wlanDrvIf_DriverTask, (void *)drv); #else INIT_WORK(&drv->tWork, wlanDrvIf_DriverTask); #endif spin_lock_init (&drv->lock); /* Setup driver network interface. */ rc = wlanDrvIf_SetupNetif (drv); if (rc) { kfree (drv); return rc; } /* Create the events socket interface */ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) drv->wl_sock = netlink_kernel_create( NETLINK_USERSOCK, 0, NULL, THIS_MODULE ); #else drv->wl_sock = netlink_kernel_create(&init_net, NETLINK_USERSOCK, 0, NULL, NULL, THIS_MODULE ); #endif if (drv->wl_sock == NULL) { ti_dprintf (TIWLAN_LOG_ERROR, "netlink_kernel_create() failed !\n"); return -EINVAL; } /* Create all driver modules and link their handles */ drvMain_Create (drv, &drv->tCommon.hDrvMain, &drv->tCommon.hCmdHndlr, &drv->tCommon.hContext, &drv->tCommon.hTxDataQ, &drv->tCommon.hTxMgmtQ, &drv->tCommon.hTxCtrl, &drv->tCommon.hTWD, &drv->tCommon.hEvHandler, &drv->tCommon.hCmdDispatch, &drv->tCommon.hReport); /* * Initialize interrupts (or polling mode for debug): */ #ifdef PRIODIC_INTERRUPT /* Debug mode: Polling (the timer is started by HwInit process) */ drv->hPollTimer = os_timerCreate ((TI_HANDLE)drv, wlanDrvIf_PollIrqHandler, (TI_HANDLE)drv); #else /* Normal mode: Interrupts (the default mode) */ rc = hPlatform_initInterrupt (drv, (void*)wlanDrvIf_HandleInterrupt); if (rc) { ti_dprintf (TIWLAN_LOG_ERROR, "wlanDrvIf_Create(): Failed to register interrupt handler!\n"); return rc; } #endif /* PRIODIC_INTERRUPT */ #ifdef CONFIG_PM /* register PM hooks in our SDIO driver */ sdioDrv_register_pm(wlanDrvIf_Resume, wlanDrvIf_Suspend); #endif return 0; }