/* Power management interface routines. Written by Mariusz Matuszek. This code is currently just a placeholder for later work and does not do anything useful. This is part of rtl8180 OpenSource driver. Copyright (C) Andrea Merello 2004 <andreamrl@tiscali.it> Released under the terms of GPL (General Public Licence) */ #ifdef CONFIG_PM_RTL #include "r8192E.h" #include "r8192E_hw.h" #include "r8192_pm.h" #include "r8190_rtl8256.h" int rtl8192E_save_state (struct pci_dev *dev, pm_message_t state) { printk(KERN_NOTICE "r8192E save state call (state %u).\n", state.event); return(-EAGAIN); } int rtl8192E_suspend (struct pci_dev *pdev, pm_message_t state) { struct net_device *dev = pci_get_drvdata(pdev); struct r8192_priv *priv = ieee80211_priv(dev); u8 ucRegRead; u32 ulRegRead; RT_TRACE(COMP_POWER, "============> r8192E suspend call.\n"); if (!netif_running(dev)) goto out_pci_suspend; if (dev->netdev_ops->ndo_stop) dev->netdev_ops->ndo_stop(dev); // dev->stop(dev); #if 0 netif_carrier_off(dev); ieee80211_softmac_stop_protocol(priv->ieee80211); write_nic_byte(dev,MSR,(read_nic_byte(dev,MSR)&0xfc)|MSR_LINK_NONE); if(!priv->ieee80211->bSupportRemoteWakeUp) { /* disable tx/rx. In 8185 we write 0x10 (Reset bit), * but here we make reference to WMAC and wirte 0x0. * 2006.11.21 Emily */ write_nic_byte(dev, CMDR, 0); } //disable interrupt write_nic_dword(dev,INTA_MASK,0); priv->irq_enabled = 0; write_nic_dword(dev,ISR,read_nic_dword(dev, ISR)); /* need to free DM related functions */ cancel_work_sync(&priv->reset_wq); del_timer_sync(&priv->fsync_timer); del_timer_sync(&priv->watch_dog_timer); cancel_delayed_work(&priv->watch_dog_wq); cancel_delayed_work(&priv->update_beacon_wq); cancel_work_sync(&priv->qos_activate); /* TODO #if ((DEV_BUS_TYPE == PCI_INTERFACE) && (HAL_CODE_BASE == RTL8192)) pHalData->bHwRfOffAction = 2; #endif */ #endif // Call MgntActSet_RF_State instead to prevent RF config race condition. // By Bruce, 2008-01-17. // if(!priv->ieee80211->bSupportRemoteWakeUp) { MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_INIT); // 2006.11.30. System reset bit ulRegRead = read_nic_dword(dev, CPU_GEN); ulRegRead|=CPU_GEN_SYSTEM_RESET; write_nic_dword(dev, CPU_GEN, ulRegRead); } else { //2008.06.03 for WOL write_nic_dword(dev, WFCRC0, 0xffffffff); write_nic_dword(dev, WFCRC1, 0xffffffff); write_nic_dword(dev, WFCRC2, 0xffffffff); #ifdef RTL8190P //GPIO 0 = TRUE ucRegRead = read_nic_byte(dev, GPO); ucRegRead |= BIT0; write_nic_byte(dev, GPO, ucRegRead); #endif //Write PMR register write_nic_byte(dev, PMR, 0x5); //Disable tx, enanble rx write_nic_byte(dev, MacBlkCtrl, 0xa); } out_pci_suspend: RT_TRACE(COMP_POWER, "r8192E support WOL call??????????????????????\n"); if(priv->ieee80211->bSupportRemoteWakeUp) { RT_TRACE(COMP_POWER, "r8192E support WOL call!!!!!!!!!!!!!!!!!!.\n"); } netif_device_detach(dev); pci_save_state(pdev); pci_disable_device(pdev); pci_enable_wake(pdev, pci_choose_state(pdev,state),\ priv->ieee80211->bSupportRemoteWakeUp?1:0); pci_set_power_state(pdev,pci_choose_state(pdev,state)); return 0; } int rtl8192E_resume (struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); //struct r8192_priv *priv = ieee80211_priv(dev); //union iwreq_data wrqu; int err; u32 val; RT_TRACE(COMP_POWER, "================>r8192E resume call."); pci_set_power_state(pdev, PCI_D0); err = pci_enable_device(pdev); if(err) { printk(KERN_ERR "%s: pci_enable_device failed on resume\n", dev->name); return err; } pci_restore_state(pdev); /* * Suspend/Resume resets the PCI configuration space, so we have to * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries * from interfering with C3 CPU state. pci_restore_state won't help * here since it only restores the first 64 bytes pci config header. */ pci_read_config_dword(pdev, 0x40, &val); if ((val & 0x0000ff00) != 0) { pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); } pci_enable_wake(pdev, PCI_D0, 0); if(!netif_running(dev)) goto out; netif_device_attach(dev); if (dev->netdev_ops->ndo_open) dev->netdev_ops->ndo_open(dev); // dev->open(dev); out: RT_TRACE(COMP_POWER, "<================r8192E resume call.\n"); return 0; } int rtl8192E_enable_wake (struct pci_dev *dev, pm_message_t state, int enable) { printk(KERN_NOTICE "r8192E enable wake call (state %u, enable %d).\n", state.event, enable); return(-EAGAIN); } #endif //CONFIG_PM_RTL