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scanning devices should work now

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4756 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
beveloper 2003-09-18 18:41:00 +00:00
parent cafaa5aa29
commit 63515204b9
1 changed files with 23 additions and 16 deletions
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39
src/add-ons/kernel/bus_managers/pci/pci.c
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@ -19,23 +19,34 @@ pci_scan_device(uint8 bus, uint8 dev, uint8 func)
{
uint16 vendorID;
uint16 deviceID;
uint8 base_class, sub_class;
uint8 type, base_class, sub_class;
deviceID = pci_read_config(bus, dev, 0, PCI_device_id, 2);
deviceID = pci_read_config(bus, dev, func, PCI_device_id, 2);
if (deviceID == 0xffff)
return;
dprintf("PCI: pci_scan_device, bus %u, device %u, function %u\n", bus, dev, func);
vendorID = pci_read_config(bus, dev, func, PCI_vendor_id, 2);
vendorID = pci_read_config(bus, dev, 0, PCI_vendor_id, 2);
base_class = pci_read_config(bus, dev, func, PCI_class_base, 1);
sub_class = pci_read_config(bus, dev, func, PCI_class_sub, 1);
base_class = pci_read_config(bus, dev, func, PCI_class_base, 1);
sub_class = pci_read_config(bus, dev, func, PCI_class_sub, 1);
type = pci_read_config(bus, dev, func, PCI_header_type, 1);
dprintf("PCI: vendor 0x%04x, device 0x%04x, base_class 0x%02x, sub_class 0x%02x\n",
vendorID, deviceID, base_class, sub_class);
if (base_class == PCI_bridge) {
dprintf("PCI: bus %2u, device %2u, function %u: vendor 0x%04x, device 0x%04x, base_class 0x%02x, sub_class 0x%02x\n",
bus, dev, func, vendorID, deviceID, base_class, sub_class);
switch (type & PCI_header_type_mask) {
case 0:
// dprintf("PCI: Header type 0:\n");
break;
case 1:
// dprintf("PCI: Header type 1:\n");
break;
default:
dprintf("PCI: Header type unknown (%d)\n", type & PCI_header_type_mask);
break;
}
if (base_class == PCI_bridge && sub_class == PCI_pci) {
uint8 secondary_bus = pci_read_config(bus, dev, func, PCI_secondary_bus, 1);
pci_scan_bus(secondary_bus);
}
@ -58,12 +69,8 @@ pci_scan_bus(uint8 bus)
deviceID = pci_read_config(bus, dev, 0, PCI_device_id, 2);
type = pci_read_config(bus, dev, 0, PCI_header_type, 1);
type &= PCI_header_type_mask;
if ((type & PCI_multifunction) == 0 /*&& !pci_quirk_multifunction(vendorID, deviceID) */)
nfunc = 1;
else
nfunc = 8;
nfunc = (type & PCI_multifunction) ? 8 : 1;
for (func = 0; func < nfunc; func++)
pci_scan_device(bus, dev, func);
}