1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. 4 * 5 * Contact Information: wlanfae <wlanfae@realtek.com> 6 */ 7 #include "rtl_core.h" 8 #include "r8192E_hw.h" 9 #include "r8190P_rtl8256.h" 10 #include "rtl_pm.h" 11 12 13 int rtl92e_suspend(struct device *dev_d) 14 { 15 struct net_device *dev = dev_get_drvdata(dev_d); 16 struct r8192_priv *priv = rtllib_priv(dev); 17 u32 ulRegRead; 18 19 netdev_info(dev, "============> r8192E suspend call.\n"); 20 del_timer_sync(&priv->gpio_polling_timer); 21 cancel_delayed_work_sync(&priv->gpio_change_rf_wq); 22 priv->polling_timer_on = 0; 23 24 if (!netif_running(dev)) { 25 netdev_info(dev, 26 "RTL819XE:UI is open out of suspend function\n"); 27 goto out_pci_suspend; 28 } 29 30 if (dev->netdev_ops->ndo_stop) 31 dev->netdev_ops->ndo_stop(dev); 32 netif_device_detach(dev); 33 34 if (!priv->rtllib->bSupportRemoteWakeUp) { 35 rtl92e_set_rf_state(dev, rf_off, RF_CHANGE_BY_INIT); 36 ulRegRead = rtl92e_readl(dev, CPU_GEN); 37 ulRegRead |= CPU_GEN_SYSTEM_RESET; 38 rtl92e_writel(dev, CPU_GEN, ulRegRead); 39 } else { 40 rtl92e_writel(dev, WFCRC0, 0xffffffff); 41 rtl92e_writel(dev, WFCRC1, 0xffffffff); 42 rtl92e_writel(dev, WFCRC2, 0xffffffff); 43 rtl92e_writeb(dev, PMR, 0x5); 44 rtl92e_writeb(dev, MacBlkCtrl, 0xa); 45 } 46 out_pci_suspend: 47 netdev_info(dev, "WOL is %s\n", priv->rtllib->bSupportRemoteWakeUp ? 48 "Supported" : "Not supported"); 49 device_set_wakeup_enable(dev_d, priv->rtllib->bSupportRemoteWakeUp); 50 51 mdelay(20); 52 53 return 0; 54 } 55 56 int rtl92e_resume(struct device *dev_d) 57 { 58 struct pci_dev *pdev = to_pci_dev(dev_d); 59 struct net_device *dev = dev_get_drvdata(dev_d); 60 struct r8192_priv *priv = rtllib_priv(dev); 61 u32 val; 62 63 netdev_info(dev, "================>r8192E resume call.\n"); 64 65 66 pci_read_config_dword(pdev, 0x40, &val); 67 if ((val & 0x0000ff00) != 0) 68 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); 69 70 device_wakeup_disable(dev_d); 71 72 if (priv->polling_timer_on == 0) 73 rtl92e_check_rfctrl_gpio_timer(&priv->gpio_polling_timer); 74 75 if (!netif_running(dev)) { 76 netdev_info(dev, 77 "RTL819XE:UI is open out of resume function\n"); 78 goto out; 79 } 80 81 netif_device_attach(dev); 82 if (dev->netdev_ops->ndo_open) 83 dev->netdev_ops->ndo_open(dev); 84 85 if (!priv->rtllib->bSupportRemoteWakeUp) 86 rtl92e_set_rf_state(dev, rf_on, RF_CHANGE_BY_INIT); 87 88 out: 89 return 0; 90 } 91 92