This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / net / wireless / orinoco_pci.h

diff --git a/drivers/net/wireless/orinoco_pci.h b/drivers/net/wireless/orinoco_pci.h
new file mode 100644 (file)
index 0000000..be1abea
--- /dev/null
+++ b/drivers/net/wireless/orinoco_pci.h
@@ -0,0 +1,104 @@
+/* orinoco_pci.h
+ * 
+ * Common code for all Orinoco drivers for PCI devices, including
+ * both native PCI and PCMCIA-to-PCI bridges.
+ *
+ * Copyright (C) 2005, Pavel Roskin.
+ * See orinoco.c for license.
+ */
+
+#ifndef _ORINOCO_PCI_H
+#define _ORINOCO_PCI_H
+
+#include <linux/netdevice.h>
+
+/* Driver specific data */
+struct orinoco_pci_card {
+       void __iomem *bridge_io;
+       void __iomem *attr_io;
+};
+
+#ifdef CONFIG_PM
+static int orinoco_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+       struct net_device *dev = pci_get_drvdata(pdev);
+       struct orinoco_private *priv = netdev_priv(dev);
+       unsigned long flags;
+       int err;
+
+       err = orinoco_lock(priv, &flags);
+       if (err) {
+               printk(KERN_ERR "%s: cannot lock hardware for suspend\n",
+                      dev->name);
+               return err;
+       }
+
+       err = __orinoco_down(dev);
+       if (err)
+               printk(KERN_WARNING "%s: error %d bringing interface down "
+                      "for suspend\n", dev->name, err);
+       
+       netif_device_detach(dev);
+
+       priv->hw_unavailable++;
+       
+       orinoco_unlock(priv, &flags);
+
+       free_irq(pdev->irq, dev);
+       pci_save_state(pdev);
+       pci_disable_device(pdev);
+       pci_set_power_state(pdev, PCI_D3hot);
+
+       return 0;
+}
+
+static int orinoco_pci_resume(struct pci_dev *pdev)
+{
+       struct net_device *dev = pci_get_drvdata(pdev);
+       struct orinoco_private *priv = netdev_priv(dev);
+       unsigned long flags;
+       int err;
+
+       pci_set_power_state(pdev, 0);
+       pci_enable_device(pdev);
+       pci_restore_state(pdev);
+
+       err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
+                         dev->name, dev);
+       if (err) {
+               printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n",
+                      dev->name);
+               pci_disable_device(pdev);
+               return -EBUSY;
+       }
+
+       err = orinoco_reinit_firmware(dev);
+       if (err) {
+               printk(KERN_ERR "%s: error %d re-initializing firmware "
+                      "on resume\n", dev->name, err);
+               return err;
+       }
+
+       spin_lock_irqsave(&priv->lock, flags);
+
+       netif_device_attach(dev);
+
+       priv->hw_unavailable--;
+
+       if (priv->open && (! priv->hw_unavailable)) {
+               err = __orinoco_up(dev);
+               if (err)
+                       printk(KERN_ERR "%s: Error %d restarting card on resume\n",
+                              dev->name, err);
+       }
+       
+       spin_unlock_irqrestore(&priv->lock, flags);
+
+       return 0;
+}
+#else
+#define orinoco_pci_suspend NULL
+#define orinoco_pci_resume NULL
+#endif
+
+#endif /* _ORINOCO_PCI_H */