/* 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 */
