2 * Sonics Silicon Backplane
3 * PCI Hostdevice wrapper
5 * Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
6 * Copyright (c) 2005 Stefano Brivio <st3@riseup.net>
7 * Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
8 * Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
9 * Copyright (c) 2005-2007 Michael Buesch <mbuesch@freenet.de>
11 * Licensed under the GNU/GPL. See COPYING for details.
14 #include <linux/pci.h>
15 #include <linux/slab.h>
16 #include <linux/ssb/ssb.h>
20 static int ssb_pcihost_suspend(struct pci_dev *dev, pm_message_t state)
22 struct ssb_bus *ssb = pci_get_drvdata(dev);
25 err = ssb_bus_suspend(ssb);
29 pci_disable_device(dev);
30 pci_set_power_state(dev, pci_choose_state(dev, state));
35 static int ssb_pcihost_resume(struct pci_dev *dev)
37 struct ssb_bus *ssb = pci_get_drvdata(dev);
40 pci_set_power_state(dev, 0);
41 err = pci_enable_device(dev);
44 pci_restore_state(dev);
45 err = ssb_bus_resume(ssb);
52 # define ssb_pcihost_suspend NULL
53 # define ssb_pcihost_resume NULL
54 #endif /* CONFIG_PM */
56 static int ssb_pcihost_probe(struct pci_dev *dev,
57 const struct pci_device_id *id)
63 ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
66 err = pci_enable_device(dev);
69 name = dev_name(&dev->dev);
70 if (dev->driver && dev->driver->name)
71 name = dev->driver->name;
72 err = pci_request_regions(dev, name);
77 err = ssb_bus_pcibus_register(ssb, dev);
79 goto err_pci_release_regions;
81 pci_set_drvdata(dev, ssb);
86 err_pci_release_regions:
87 pci_release_regions(dev);
89 pci_disable_device(dev);
95 static void ssb_pcihost_remove(struct pci_dev *dev)
97 struct ssb_bus *ssb = pci_get_drvdata(dev);
99 ssb_bus_unregister(ssb);
100 pci_release_regions(dev);
101 pci_disable_device(dev);
103 pci_set_drvdata(dev, NULL);
106 int ssb_pcihost_register(struct pci_driver *driver)
108 driver->probe = ssb_pcihost_probe;
109 driver->remove = ssb_pcihost_remove;
110 driver->suspend = ssb_pcihost_suspend;
111 driver->resume = ssb_pcihost_resume;
113 return pci_register_driver(driver);
115 EXPORT_SYMBOL(ssb_pcihost_register);