| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. |
| * |
| * 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 device *dev_d) |
| { |
| struct net_device *dev = dev_get_drvdata(dev_d); |
| 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"); |
| device_set_wakeup_enable(dev_d, priv->rtllib->bSupportRemoteWakeUp); |
| |
| mdelay(20); |
| |
| return 0; |
| } |
| |
| int rtl92e_resume(struct device *dev_d) |
| { |
| struct pci_dev *pdev = to_pci_dev(dev_d); |
| struct net_device *dev = dev_get_drvdata(dev_d); |
| struct r8192_priv *priv = rtllib_priv(dev); |
| u32 val; |
| |
| netdev_info(dev, "================>r8192E resume call.\n"); |
| |
| |
| pci_read_config_dword(pdev, 0x40, &val); |
| if ((val & 0x0000ff00) != 0) |
| pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); |
| |
| device_wakeup_disable(dev_d); |
| |
| 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; |
| } |
| |