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path: root/drivers/net/wireless/orinoco/orinoco_pci.h
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Diffstat (limited to 'drivers/net/wireless/orinoco/orinoco_pci.h')
-rw-r--r--drivers/net/wireless/orinoco/orinoco_pci.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/net/wireless/orinoco/orinoco_pci.h b/drivers/net/wireless/orinoco/orinoco_pci.h
new file mode 100644
index 000000000000..f4e5e06760c1
--- /dev/null
+++ b/drivers/net/wireless/orinoco/orinoco_pci.h
@@ -0,0 +1,109 @@
+/* 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);
+ err = pci_enable_device(pdev);
+ if (err) {
+ printk(KERN_ERR "%s: pci_enable_device failed on resume\n",
+ dev->name);
+ return err;
+ }
+ 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 */