diff options
author | David Kilroy <kilroyd@googlemail.com> | 2008-10-31 13:35:21 +0000 |
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committer | John W. Linville <linville@tuxdriver.com> | 2008-11-10 15:17:42 -0500 |
commit | b2e53b338b7b4608372d070bb477f3bae3971e5a (patch) | |
tree | 1d2bc35201029e8cd0b8007c5ebc0b07fd1a03ec /drivers/net/wireless/orinoco/orinoco_pci.h | |
parent | 5166ccd220f187b2e9edfc5f01eb49f4a0ebf586 (diff) | |
download | kernel_samsung_smdk4412-b2e53b338b7b4608372d070bb477f3bae3971e5a.zip kernel_samsung_smdk4412-b2e53b338b7b4608372d070bb477f3bae3971e5a.tar.gz kernel_samsung_smdk4412-b2e53b338b7b4608372d070bb477f3bae3971e5a.tar.bz2 |
orinoco: Move sources to a subdirectory
Keeping all the orinoco drivers in a common directory will make
maintenance easier.
Signed-off by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/orinoco/orinoco_pci.h')
-rw-r--r-- | drivers/net/wireless/orinoco/orinoco_pci.h | 109 |
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 0000000..f4e5e06 --- /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 */ |