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/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* 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.
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
*****************************************************************************/
#include "rtl_core.h"
#include "r8192E_hw.h"
#include "r8190P_rtl8256.h"
#include "rtl_pm.h"
int rtl92e_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct r8192_priv *priv = rtllib_priv(dev);
u32 ulRegRead;
netdev_info(dev, "============> r8192E suspend call.\n");
del_timer_sync(&priv->gpio_polling_timer);
cancel_delayed_work_sync(&priv->gpio_change_rf_wq);
priv->polling_timer_on = 0;
if (!netif_running(dev)) {
netdev_info(dev,
"RTL819XE:UI is open out of suspend function\n");
goto out_pci_suspend;
}
if (dev->netdev_ops->ndo_stop)
dev->netdev_ops->ndo_stop(dev);
netif_device_detach(dev);
if (!priv->rtllib->bSupportRemoteWakeUp) {
rtl92e_set_rf_state(dev, eRfOff, RF_CHANGE_BY_INIT);
ulRegRead = rtl92e_readl(dev, CPU_GEN);
ulRegRead |= CPU_GEN_SYSTEM_RESET;
rtl92e_writel(dev, CPU_GEN, ulRegRead);
} else {
rtl92e_writel(dev, WFCRC0, 0xffffffff);
rtl92e_writel(dev, WFCRC1, 0xffffffff);
rtl92e_writel(dev, WFCRC2, 0xffffffff);
rtl92e_writeb(dev, PMR, 0x5);
rtl92e_writeb(dev, MacBlkCtrl, 0xa);
}
out_pci_suspend:
netdev_info(dev, "WOL is %s\n", priv->rtllib->bSupportRemoteWakeUp ?
"Supported" : "Not supported");
pci_save_state(pdev);
pci_disable_device(pdev);
pci_enable_wake(pdev, pci_choose_state(pdev, state),
priv->rtllib->bSupportRemoteWakeUp ? 1 : 0);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
mdelay(20);
return 0;
}
int rtl92e_resume(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct r8192_priv *priv = rtllib_priv(dev);
int err;
u32 val;
netdev_info(dev, "================>r8192E resume call.\n");
pci_set_power_state(pdev, PCI_D0);
err = pci_enable_device(pdev);
if (err) {
netdev_err(dev, "pci_enable_device failed on resume\n");
return err;
}
pci_restore_state(pdev);
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 (priv->polling_timer_on == 0)
rtl92e_check_rfctrl_gpio_timer(&priv->gpio_polling_timer);
if (!netif_running(dev)) {
netdev_info(dev,
"RTL819XE:UI is open out of resume function\n");
goto out;
}
netif_device_attach(dev);
if (dev->netdev_ops->ndo_open)
dev->netdev_ops->ndo_open(dev);
if (!priv->rtllib->bSupportRemoteWakeUp)
rtl92e_set_rf_state(dev, eRfOn, RF_CHANGE_BY_INIT);
out:
RT_TRACE(COMP_POWER, "<================r8192E resume call.\n");
return 0;
}
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