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