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Diffstat (limited to 'drivers/net/wireless/orinoco_pci.h')
-rw-r--r--drivers/net/wireless/orinoco_pci.h104
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 */
16struct orinoco_pci_card {
17 void __iomem *bridge_io;
18 void __iomem *attr_io;
19};
20
21#ifdef CONFIG_PM
22static 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
55static 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 */