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devman: scan pci bus. Not yet complete.

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git-svn-id: svn://kolibrios.org@1628 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2010-09-27 11:30:31 +00:00
parent 49cb0f914d
commit 9173200506
11 changed files with 3339 additions and 270 deletions
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98
drivers/devman/pci_bind.c Normal file
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#include <ddk.h>
#include <linux/errno.h>
#include <mutex.h>
#include <pci.h>
#include <syscall.h>
#include "acpi.h"
#include "acpi_bus.h"
#define PREFIX "ACPI: "
static int acpi_pci_unbind(struct acpi_device *device)
{
struct pci_dev *dev;
dev = acpi_get_pci_dev(device->handle);
if (!dev)
goto out;
// device_set_run_wake(&dev->dev, false);
// pci_acpi_remove_pm_notifier(device);
if (!dev->subordinate)
goto out;
// acpi_pci_irq_del_prt(dev->subordinate);
device->ops.bind = NULL;
device->ops.unbind = NULL;
out:
// pci_dev_put(dev);
return 0;
}
static int acpi_pci_bind(struct acpi_device *device)
{
ACPI_STATUS status;
ACPI_HANDLE handle;
struct pci_bus *bus;
struct pci_dev *dev;
dev = acpi_get_pci_dev(device->handle);
if (!dev)
return 0;
// pci_acpi_add_pm_notifier(device, dev);
// if (device->wakeup.flags.run_wake)
// device_set_run_wake(&dev->dev, true);
/*
* Install the 'bind' function to facilitate callbacks for
* children of the P2P bridge.
*/
if (dev->subordinate) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Device %04x:%02x:%02x.%d is a PCI bridge\n",
pci_domain_nr(dev->bus), dev->bus->number,
PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)));
device->ops.bind = acpi_pci_bind;
device->ops.unbind = acpi_pci_unbind;
}
/*
* Evaluate and parse _PRT, if exists. This code allows parsing of
* _PRT objects within the scope of non-bridge devices. Note that
* _PRTs within the scope of a PCI bridge assume the bridge's
* subordinate bus number.
*
* TBD: Can _PRTs exist within the scope of non-bridge PCI devices?
*/
status = AcpiGetHandle(device->handle, METHOD_NAME__PRT, &handle);
if (ACPI_FAILURE(status))
goto out;
if (dev->subordinate)
bus = dev->subordinate;
else
bus = dev->bus;
acpi_pci_irq_add_prt(device->handle, bus);
out:
// pci_dev_put(dev);
return 0;
}
int acpi_pci_bind_root(struct acpi_device *device)
{
device->ops.bind = acpi_pci_bind;
device->ops.unbind = acpi_pci_unbind;
return 0;
}