projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b884c872 PR |
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 orinoco.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 | ||
| 95047dd6 | 21 | #ifdef CONFIG_PM |
| b884c872 PR |
22 | static int orinoco_pci_suspend(struct pci_dev *pdev, pm_message_t state) |
| 23 | { | |
| 24 | struct net_device *dev = pci_get_drvdata(pdev); | |
| 25 | struct orinoco_private *priv = netdev_priv(dev); | |
| 26 | unsigned long flags; | |
| 27 | int err; | |
| 28 | ||
| 29 | err = orinoco_lock(priv, &flags); | |
| 30 | if (err) { | |
| 31 | printk(KERN_ERR "%s: cannot lock hardware for suspend\n", | |
| 32 | dev->name); | |
| 33 | return err; | |
| 34 | } | |
| 35 | ||
| 36 | err = __orinoco_down(dev); | |
| 37 | if (err) | |
| 38 | printk(KERN_WARNING "%s: error %d bringing interface down " | |
| 39 | "for suspend\n", dev->name, err); | |
| 40 | ||
| 41 | netif_device_detach(dev); | |
| 42 | ||
| 43 | priv->hw_unavailable++; | |
| 44 | ||
| 45 | orinoco_unlock(priv, &flags); | |
| 46 | ||
| 47 | free_irq(pdev->irq, dev); | |
| 48 | pci_save_state(pdev); | |
| 49 | pci_disable_device(pdev); | |
| 50 | pci_set_power_state(pdev, PCI_D3hot); | |
| 51 | ||
| 52 | return 0; | |
| 53 | } | |
| 54 | ||
| 55 | static int orinoco_pci_resume(struct pci_dev *pdev) | |
| 56 | { | |
| 57 | struct net_device *dev = pci_get_drvdata(pdev); | |
| 58 | struct orinoco_private *priv = netdev_priv(dev); | |
| 59 | unsigned long flags; | |
| 60 | int err; | |
| 61 | ||
| 62 | pci_set_power_state(pdev, 0); | |
| 02e0e5e9 JL |
63 | err = pci_enable_device(pdev); |
| 64 | if (err) { | |
| 65 | printk(KERN_ERR "%s: pci_enable_device failed on resume\n", | |
| 66 | dev->name); | |
| 67 | return err; | |
| 68 | } | |
| b884c872 PR |
69 | pci_restore_state(pdev); |
| 70 | ||
| 1fb9df5d | 71 | err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED, |
| b884c872 PR |
72 | dev->name, dev); |
| 73 | if (err) { | |
| 74 | printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n", | |
| 75 | dev->name); | |
| 76 | pci_disable_device(pdev); | |
| 77 | return -EBUSY; | |
| 78 | } | |
| 79 | ||
| 80 | err = orinoco_reinit_firmware(dev); | |
| 81 | if (err) { | |
| 82 | printk(KERN_ERR "%s: error %d re-initializing firmware " | |
| 83 | "on resume\n", dev->name, err); | |
| 84 | return err; | |
| 85 | } | |
| 86 | ||
| 87 | spin_lock_irqsave(&priv->lock, flags); | |
| 88 | ||
| 89 | netif_device_attach(dev); | |
| 90 | ||
| 91 | priv->hw_unavailable--; | |
| 92 | ||
| 93 | if (priv->open && (! priv->hw_unavailable)) { | |
| 94 | err = __orinoco_up(dev); | |
| 95 | if (err) | |
| 96 | printk(KERN_ERR "%s: Error %d restarting card on resume\n", | |
| 97 | dev->name, err); | |
| 98 | } | |
| 99 | ||
| 100 | spin_unlock_irqrestore(&priv->lock, flags); | |
| 101 | ||
| 102 | return 0; | |
| 103 | } | |
| 95047dd6 PR |
104 | #else |
| 105 | #define orinoco_pci_suspend NULL | |
| 106 | #define orinoco_pci_resume NULL | |
| 107 | #endif | |
| b884c872 PR |
108 | |
| 109 | #endif /* _ORINOCO_PCI_H */ |