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author | Peter Denison <openwrt@marshadder.org> | 2007-06-21 20:10:50 +0000 |
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committer | Peter Denison <openwrt@marshadder.org> | 2007-06-21 20:10:50 +0000 |
commit | 0f3100df555289b57b816f1fb767a9908bf862cd (patch) | |
tree | 3484c631f3eaea7fccab2fa15ffab748837f1709 /target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c | |
parent | b94b11e11eee8b43ec951f46afc446bfaaebb87c (diff) | |
download | upstream-0f3100df555289b57b816f1fb767a9908bf862cd.tar.gz upstream-0f3100df555289b57b816f1fb767a9908bf862cd.tar.bz2 upstream-0f3100df555289b57b816f1fb767a9908bf862cd.zip |
brcm43xx: update SSB driver * files/ now contains the wireless-dev tree version * patches/210-ssb_merge is nbd's subsequent changes
SVN-Revision: 7691
Diffstat (limited to 'target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c')
-rw-r--r-- | target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c new file mode 100644 index 0000000000..82a10abef6 --- /dev/null +++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c @@ -0,0 +1,104 @@ +/* + * Sonics Silicon Backplane + * PCI Hostdevice wrapper + * + * Copyright (c) 2005 Martin Langer <martin-langer@gmx.de> + * Copyright (c) 2005 Stefano Brivio <st3@riseup.net> + * Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org> + * Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> + * Copyright (c) 2005-2007 Michael Buesch <mbuesch@freenet.de> + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include <linux/pci.h> +#include <linux/ssb/ssb.h> + + +#ifdef CONFIG_PM +static int ssb_pcihost_suspend(struct pci_dev *dev, pm_message_t state) +{ + pci_save_state(dev); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, state)); + + return 0; +} + +static int ssb_pcihost_resume(struct pci_dev *dev) +{ + int err; + + pci_set_power_state(dev, 0); + err = pci_enable_device(dev); + if (err) + return err; + pci_restore_state(dev); + + return 0; +} +#else /* CONFIG_PM */ +# define ssb_pcihost_suspend NULL +# define ssb_pcihost_resume NULL +#endif /* CONFIG_PM */ + +static int ssb_pcihost_probe(struct pci_dev *dev, + const struct pci_device_id *id) +{ + struct ssb_bus *ssb; + int err = -ENOMEM; + const char *name; + + ssb = kzalloc(sizeof(*ssb), GFP_KERNEL); + if (!ssb) + goto out; + err = pci_enable_device(dev); + if (err) + goto err_kfree_ssb; + name = dev->dev.bus_id; + if (dev->driver && dev->driver->name) + name = dev->driver->name; + err = pci_request_regions(dev, name); + if (err) + goto err_pci_disable; + pci_set_master(dev); + + err = ssb_bus_pcibus_register(ssb, dev); + if (err) + goto err_pci_release_regions; + + pci_set_drvdata(dev, ssb); + +out: + return err; + +err_pci_release_regions: + pci_release_regions(dev); +err_pci_disable: + pci_disable_device(dev); +err_kfree_ssb: + kfree(ssb); + return err; +} + +static void ssb_pcihost_remove(struct pci_dev *dev) +{ + struct ssb_bus *ssb = pci_get_drvdata(dev); + + ssb_bus_unregister(ssb); + pci_release_regions(dev); + pci_disable_device(dev); + kfree(ssb); + pci_set_drvdata(dev, NULL); +} + +int ssb_pcihost_register(struct pci_driver *driver) +{ + driver->probe = ssb_pcihost_probe; + driver->remove = ssb_pcihost_remove; + driver->suspend = ssb_pcihost_suspend; + driver->resume = ssb_pcihost_resume; + + return pci_register_driver(driver); +} +EXPORT_SYMBOL(ssb_pcihost_register); |