1/****************************************************************************** 2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. 3 * 4 * This program is distributed in the hope that it will be useful, but WITHOUT 5 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 6 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 7 * more details. 8 * 9 * You should have received a copy of the GNU General Public License along with 10 * this program; if not, write to the Free Software Foundation, Inc., 11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 12 * 13 * The full GNU General Public License is included in this distribution in the 14 * file called LICENSE. 15 * 16 * Contact Information: 17 * wlanfae <wlanfae@realtek.com> 18******************************************************************************/ 19 20#include "rtl_core.h" 21#include "r8192E_hw.h" 22#include "r8190P_rtl8256.h" 23#include "rtl_pm.h" 24 25int rtl8192E_save_state(struct pci_dev *dev, pm_message_t state) 26{ 27 printk(KERN_NOTICE "r8192E save state call (state %u).\n", state.event); 28 return -EAGAIN; 29} 30 31 32int rtl8192E_suspend(struct pci_dev *pdev, pm_message_t state) 33{ 34 struct net_device *dev = pci_get_drvdata(pdev); 35 struct r8192_priv *priv = rtllib_priv(dev); 36 u32 ulRegRead; 37 38 printk(KERN_INFO "============> r8192E suspend call.\n"); 39 del_timer_sync(&priv->gpio_polling_timer); 40 cancel_delayed_work(&priv->gpio_change_rf_wq); 41 priv->polling_timer_on = 0; 42 43 if (!netif_running(dev)) { 44 printk(KERN_INFO "RTL819XE:UI is open out of suspend " 45 "function\n"); 46 goto out_pci_suspend; 47 } 48 49 if (dev->netdev_ops->ndo_stop) 50 dev->netdev_ops->ndo_stop(dev); 51 netif_device_detach(dev); 52 53 if (!priv->rtllib->bSupportRemoteWakeUp) { 54 MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_INIT, true); 55 ulRegRead = read_nic_dword(dev, CPU_GEN); 56 ulRegRead |= CPU_GEN_SYSTEM_RESET; 57 write_nic_dword(dev, CPU_GEN, ulRegRead); 58 } else { 59 write_nic_dword(dev, WFCRC0, 0xffffffff); 60 write_nic_dword(dev, WFCRC1, 0xffffffff); 61 write_nic_dword(dev, WFCRC2, 0xffffffff); 62 write_nic_byte(dev, PMR, 0x5); 63 write_nic_byte(dev, MacBlkCtrl, 0xa); 64 } 65out_pci_suspend: 66 printk("r8192E support WOL call??????????????????????\n"); 67 if (priv->rtllib->bSupportRemoteWakeUp) 68 RT_TRACE(COMP_POWER, "r8192E support WOL call!!!!!!!" 69 "!!!!!!!!!!!.\n"); 70 pci_save_state(pdev); 71 pci_disable_device(pdev); 72 pci_enable_wake(pdev, pci_choose_state(pdev, state), 73 priv->rtllib->bSupportRemoteWakeUp ? 1 : 0); 74 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 75 76 mdelay(20); 77 78 return 0; 79} 80 81int rtl8192E_resume(struct pci_dev *pdev) 82{ 83 struct net_device *dev = pci_get_drvdata(pdev); 84 struct r8192_priv *priv = rtllib_priv(dev); 85 int err; 86 u32 val; 87 88 printk(KERN_INFO "================>r8192E resume call.\n"); 89 90 pci_set_power_state(pdev, PCI_D0); 91 92 err = pci_enable_device(pdev); 93 if (err) { 94 printk(KERN_ERR "%s: pci_enable_device failed on resume\n", 95 dev->name); 96 return err; 97 } 98 pci_restore_state(pdev); 99 100 pci_read_config_dword(pdev, 0x40, &val); 101 if ((val & 0x0000ff00) != 0) 102 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); 103 104 pci_enable_wake(pdev, PCI_D0, 0); 105 106 if (priv->polling_timer_on == 0) 107 check_rfctrl_gpio_timer((unsigned long)dev); 108 109 if (!netif_running(dev)) { 110 printk(KERN_INFO "RTL819XE:UI is open out of resume " 111 "function\n"); 112 goto out; 113 } 114 115 netif_device_attach(dev); 116 if (dev->netdev_ops->ndo_open) 117 dev->netdev_ops->ndo_open(dev); 118 119 if (!priv->rtllib->bSupportRemoteWakeUp) 120 MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_INIT, true); 121 122out: 123 RT_TRACE(COMP_POWER, "<================r8192E resume call.\n"); 124 return 0; 125} 126 127 128int rtl8192E_enable_wake(struct pci_dev *dev, pm_message_t state, int enable) 129{ 130 printk(KERN_NOTICE "r8192E enable wake call (state %u, enable %d).\n", 131 state.event, enable); 132 return -EAGAIN; 133} 134 135