diff options
Diffstat (limited to 'drivers/staging/rtl8192e/rtl_pm.c')
| -rw-r--r-- | drivers/staging/rtl8192e/rtl_pm.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192e/rtl_pm.c b/drivers/staging/rtl8192e/rtl_pm.c new file mode 100644 index 000000000000..4fbe819b59c6 --- /dev/null +++ b/drivers/staging/rtl8192e/rtl_pm.c @@ -0,0 +1,168 @@ +/****************************************************************************** + * 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> +******************************************************************************/ + +#ifdef CONFIG_PM_RTL +#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); +#if !(defined RTL8192SE || defined RTL8192CE) + u32 ulRegRead; +#endif + + RT_TRACE(COMP_POWER, "============> r8192E suspend call.\n"); + printk("============> r8192E suspend call.\n"); +#ifdef ENABLE_GPIO_RADIO_CTL + del_timer_sync(&priv->gpio_polling_timer); + cancel_delayed_work(&priv->gpio_change_rf_wq); + priv->polling_timer_on = 0; +#endif + + if (!netif_running(dev)){ + printk("RTL819XE:UI is open out of suspend function\n"); + goto out_pci_suspend; + } + +#ifdef HAVE_NET_DEVICE_OPS + if (dev->netdev_ops->ndo_stop) + dev->netdev_ops->ndo_stop(dev); +#else + dev->stop(dev); +#endif + netif_device_detach(dev); + +#if !(defined RTL8192SE || defined RTL8192CE) + 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); +#ifdef RTL8190P + { + u8 ucRegRead; + ucRegRead = read_nic_byte(dev, GPO); + ucRegRead |= BIT0; + write_nic_byte(dev, GPO, ucRegRead); + } +#endif + write_nic_byte(dev, PMR, 0x5); + write_nic_byte(dev, MacBlkCtrl, 0xa); + } +#endif +out_pci_suspend: + RT_TRACE(COMP_POWER, "r8192E support WOL call??????????????????????\n"); + 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); +#if defined ENABLE_GPIO_RADIO_CTL || !(defined RTL8192SE || defined RTL8192CE) + struct r8192_priv *priv = rtllib_priv(dev); +#endif + int err; + u32 val; + + RT_TRACE(COMP_POWER, "================>r8192E resume call."); + printk("================>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); + +#ifdef ENABLE_GPIO_RADIO_CTL + if (priv->polling_timer_on == 0){ + check_rfctrl_gpio_timer((unsigned long)dev); + } +#endif + + if (!netif_running(dev)){ + printk("RTL819XE:UI is open out of resume function\n"); + goto out; + } + + netif_device_attach(dev); +#ifdef HAVE_NET_DEVICE_OPS + if (dev->netdev_ops->ndo_open) + dev->netdev_ops->ndo_open(dev); +#else + dev->open(dev); +#endif + +#if !(defined RTL8192SE || defined RTL8192CE) + if (!priv->rtllib->bSupportRemoteWakeUp) { + MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_INIT,true); + } +#endif + +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 |