/******************************************************************************
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* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* wlanfae <wlanfae@realtek.com>
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*****************************************************************************/
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#include "rtl_core.h"
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#include "r8192E_hw.h"
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#include "r8190P_rtl8256.h"
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#include "rtl_pm.h"
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int rtl92e_suspend(struct pci_dev *pdev, pm_message_t state)
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{
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struct net_device *dev = pci_get_drvdata(pdev);
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struct r8192_priv *priv = rtllib_priv(dev);
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u32 ulRegRead;
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netdev_info(dev, "============> r8192E suspend call.\n");
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del_timer_sync(&priv->gpio_polling_timer);
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cancel_delayed_work_sync(&priv->gpio_change_rf_wq);
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priv->polling_timer_on = 0;
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if (!netif_running(dev)) {
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netdev_info(dev,
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"RTL819XE:UI is open out of suspend function\n");
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goto out_pci_suspend;
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}
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if (dev->netdev_ops->ndo_stop)
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dev->netdev_ops->ndo_stop(dev);
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netif_device_detach(dev);
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if (!priv->rtllib->bSupportRemoteWakeUp) {
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rtl92e_set_rf_state(dev, eRfOff, RF_CHANGE_BY_INIT);
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ulRegRead = rtl92e_readl(dev, CPU_GEN);
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ulRegRead |= CPU_GEN_SYSTEM_RESET;
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rtl92e_writel(dev, CPU_GEN, ulRegRead);
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} else {
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rtl92e_writel(dev, WFCRC0, 0xffffffff);
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rtl92e_writel(dev, WFCRC1, 0xffffffff);
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rtl92e_writel(dev, WFCRC2, 0xffffffff);
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rtl92e_writeb(dev, PMR, 0x5);
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rtl92e_writeb(dev, MacBlkCtrl, 0xa);
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}
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out_pci_suspend:
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netdev_info(dev, "WOL is %s\n", priv->rtllib->bSupportRemoteWakeUp ?
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"Supported" : "Not supported");
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pci_save_state(pdev);
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pci_disable_device(pdev);
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pci_enable_wake(pdev, pci_choose_state(pdev, state),
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priv->rtllib->bSupportRemoteWakeUp ? 1 : 0);
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pci_set_power_state(pdev, pci_choose_state(pdev, state));
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mdelay(20);
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return 0;
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}
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int rtl92e_resume(struct pci_dev *pdev)
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{
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struct net_device *dev = pci_get_drvdata(pdev);
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struct r8192_priv *priv = rtllib_priv(dev);
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int err;
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u32 val;
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netdev_info(dev, "================>r8192E resume call.\n");
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pci_set_power_state(pdev, PCI_D0);
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err = pci_enable_device(pdev);
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if (err) {
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netdev_err(dev, "pci_enable_device failed on resume\n");
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return err;
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}
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pci_restore_state(pdev);
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pci_read_config_dword(pdev, 0x40, &val);
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if ((val & 0x0000ff00) != 0)
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pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
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pci_enable_wake(pdev, PCI_D0, 0);
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if (priv->polling_timer_on == 0)
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rtl92e_check_rfctrl_gpio_timer(&priv->gpio_polling_timer);
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if (!netif_running(dev)) {
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netdev_info(dev,
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"RTL819XE:UI is open out of resume function\n");
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goto out;
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}
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netif_device_attach(dev);
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if (dev->netdev_ops->ndo_open)
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dev->netdev_ops->ndo_open(dev);
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if (!priv->rtllib->bSupportRemoteWakeUp)
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rtl92e_set_rf_state(dev, eRfOn, RF_CHANGE_BY_INIT);
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out:
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RT_TRACE(COMP_POWER, "<================r8192E resume call.\n");
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return 0;
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}
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