drivers/net/wireless/orinoco/orinoco_pci.h

   1 /* orinoco_pci.h
   2  *
   3  * Common code for all Orinoco drivers for PCI devices, including
   4  * both native PCI and PCMCIA-to-PCI bridges.
   5  *
   6  * Copyright (C) 2005, Pavel Roskin.
   7  * See main.c for license.
   8  */
   9
  10 #ifndef _ORINOCO_PCI_H
  11 #define _ORINOCO_PCI_H
  12
  13 #include <linux/netdevice.h>
  14
  15 /* Driver specific data */
  16 struct orinoco_pci_card {
  17         void __iomem *bridge_io;
  18         void __iomem *attr_io;
  19 };
  20
  21 #ifdef CONFIG_PM
  22 static int orinoco_pci_suspend(struct pci_dev *pdev, pm_message_t state)
  23 {
  24         struct orinoco_private *priv = pci_get_drvdata(pdev);
  25
  26         orinoco_down(priv);
  27         free_irq(pdev->irq, priv);
  28         pci_save_state(pdev);
  29         pci_disable_device(pdev);
  30         pci_set_power_state(pdev, PCI_D3hot);
  31
  32         return 0;
  33 }
  34
  35 static int orinoco_pci_resume(struct pci_dev *pdev)
  36 {
  37         struct orinoco_private *priv = pci_get_drvdata(pdev);
  38         struct net_device *dev = priv->ndev;
  39         int err;
  40
  41         pci_set_power_state(pdev, 0);
  42         err = pci_enable_device(pdev);
  43         if (err) {
  44                 printk(KERN_ERR "%s: pci_enable_device failed on resume\n",
  45                        dev->name);
  46                 return err;
  47         }
  48         pci_restore_state(pdev);
  49
  50         err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
  51                           dev->name, priv);
  52         if (err) {
  53                 printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n",
  54                        dev->name);
  55                 pci_disable_device(pdev);
  56                 return -EBUSY;
  57         }
  58
  59         err = orinoco_up(priv);
  60
  61         return err;
  62 }
  63 #else
  64 #define orinoco_pci_suspend NULL
  65 #define orinoco_pci_resume NULL
  66 #endif
  67
  68 #endif /* _ORINOCO_PCI_H */