diff options
Diffstat (limited to 'drivers/net/wireless/orinoco_pci.h')
-rw-r--r-- | drivers/net/wireless/orinoco_pci.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/net/wireless/orinoco_pci.h b/drivers/net/wireless/orinoco_pci.h new file mode 100644 index 000000000000..7eb1e08113e0 --- /dev/null +++ b/drivers/net/wireless/orinoco_pci.h | |||
@@ -0,0 +1,104 @@ | |||
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 | |||
21 | #ifdef CONFIG_PM | ||
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); | ||
63 | pci_enable_device(pdev); | ||
64 | pci_restore_state(pdev); | ||
65 | |||
66 | err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ, | ||
67 | dev->name, dev); | ||
68 | if (err) { | ||
69 | printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n", | ||
70 | dev->name); | ||
71 | pci_disable_device(pdev); | ||
72 | return -EBUSY; | ||
73 | } | ||
74 | |||
75 | err = orinoco_reinit_firmware(dev); | ||
76 | if (err) { | ||
77 | printk(KERN_ERR "%s: error %d re-initializing firmware " | ||
78 | "on resume\n", dev->name, err); | ||
79 | return err; | ||
80 | } | ||
81 | |||
82 | spin_lock_irqsave(&priv->lock, flags); | ||
83 | |||
84 | netif_device_attach(dev); | ||
85 | |||
86 | priv->hw_unavailable--; | ||
87 | |||
88 | if (priv->open && (! priv->hw_unavailable)) { | ||
89 | err = __orinoco_up(dev); | ||
90 | if (err) | ||
91 | printk(KERN_ERR "%s: Error %d restarting card on resume\n", | ||
92 | dev->name, err); | ||
93 | } | ||
94 | |||
95 | spin_unlock_irqrestore(&priv->lock, flags); | ||
96 | |||
97 | return 0; | ||
98 | } | ||
99 | #else | ||
100 | #define orinoco_pci_suspend NULL | ||
101 | #define orinoco_pci_resume NULL | ||
102 | #endif | ||
103 | |||
104 | #endif /* _ORINOCO_PCI_H */ | ||