diff options
Diffstat (limited to 'drivers/staging/rtl8192e/rtl8192e/rtl_pm.c')
| -rw-r--r-- | drivers/staging/rtl8192e/rtl8192e/rtl_pm.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c new file mode 100644 index 000000000000..8e1a5d55dce8 --- /dev/null +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c @@ -0,0 +1,134 @@ +/****************************************************************************** + * 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. + * + * 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 + * + * 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 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 = rtllib_priv(dev); + u32 ulRegRead; + + printk(KERN_INFO "============> r8192E suspend call.\n"); + del_timer_sync(&priv->gpio_polling_timer); + cancel_delayed_work(&priv->gpio_change_rf_wq); + priv->polling_timer_on = 0; + + if (!netif_running(dev)) { + printk(KERN_INFO "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) { + MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_INIT, true); + ulRegRead = read_nic_dword(dev, CPU_GEN); + ulRegRead |= CPU_GEN_SYSTEM_RESET; + write_nic_dword(dev, CPU_GEN, ulRegRead); + } else { + write_nic_dword(dev, WFCRC0, 0xffffffff); + write_nic_dword(dev, WFCRC1, 0xffffffff); + write_nic_dword(dev, WFCRC2, 0xffffffff); + write_nic_byte(dev, PMR, 0x5); + write_nic_byte(dev, MacBlkCtrl, 0xa); + } +out_pci_suspend: + printk("r8192E support WOL call??????????????????????\n"); + if (priv->rtllib->bSupportRemoteWakeUp) + RT_TRACE(COMP_POWER, "r8192E support WOL call!!!!!!!" + "!!!!!!!!!!!.\n"); + 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 rtl8192E_resume(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct r8192_priv *priv = rtllib_priv(dev); + int err; + u32 val; + + printk(KERN_INFO "================>r8192E resume call.\n"); + + 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); + + 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) + check_rfctrl_gpio_timer((unsigned long)dev); + + if (!netif_running(dev)) { + printk(KERN_INFO "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) + MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_INIT, true); + +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; +} + |