actual license now

[netwatch.git] / pci / pci.c

diff --git a/pci/pci.c b/pci/pci.c
index e5ab8169dd8231423d1f47ce85eb08b957fbe079..997ebdad7472123cf7944c324a9f4abd3209b49f 100644 (file)
--- a/pci/pci.c
+++ b/pci/pci.c
@@ -1,7 +1,17 @@
+/* pci.c
+ * General-purpose PCI probe routines
+ * NetWatch system management mode administration console
+ *
+ * Copyright (c) 2008 Jacob Potter and Joshua Wise.  All rights reserved.
+ * This program is free software; you can redistribute and/or modify it under
+ * the terms found in the file LICENSE in the root of this source tree.
+ *
+ */
+
 #include <pci.h>
 #include <output.h>
 
-int pci_probe(pci_probe_fn_t probe)
+int pci_probe(pci_probe_fn_t probe, void *data)
 {
        int devsfound = 0;
        pci_dev_t pdev;
@@ -11,62 +21,65 @@ int pci_probe(pci_probe_fn_t probe)
        
        for (bus = 0; bus < 0x100; bus++)
                for (dev = 0; dev < 0x20; dev++)
-                       if (pci_read32(bus, dev, 0, 0) != 0xFFFFFFFF)
-                               for (fn = 0; fn < 8; fn++)
+               {
+                       if (pci_read32(bus, dev, 0, 0) == 0xFFFFFFFF)
+                               continue;
+                       for (fn = 0; fn < 8; fn++)
+                       {
+                               int bar;
+                               
+                               if (pci_read32(bus, dev, fn, 0) == 0xFFFFFFFF)
+                                       continue;
+                               
+                               if ((fn != 0) && !(pci_read8(bus, dev, 0, 0x0E) & 0x80))
+                                       continue;
+                               
+                               pdev.bus = bus;
+                               pdev.dev = dev;
+                               pdev.fn = fn;
+                               pdev.vid = pci_read16(bus, dev, fn, 0);
+                               pdev.did = pci_read16(bus, dev, fn, 2);
+                               
+                               for (bar = 0; bar < 6; bar++)
                                {
-                                       int bar;
-                                       
-                                       if (pci_read32(bus, dev, fn, 0) == 0xFFFFFFFF)
-                                               continue;
-                                       
-                                       if ((fn != 0) && !(pci_read8(bus, dev, 0, 0x0E) & 0x80))
+                                       unsigned long bardat = pci_read32(bus, dev, fn, 0x10 + bar*4);
+                                       if (bardat == 0)
+                                       {
+                                               pdev.bars[bar].type = PCI_BAR_NONE;
                                                continue;
-                                       
-                                       pdev.bus = bus;
-                                       pdev.dev = dev;
-                                       pdev.fn = fn;
-                                       pdev.vid = pci_read16(bus, dev, fn, 0);
-                                       pdev.did = pci_read16(bus, dev, fn, 2);
-                                       
-                                       for (bar = 0; bar < 6; bar++)
+                                       }
+                                       if (bardat & 1)
                                        {
-                                               unsigned long bardat = pci_read32(bus, dev, fn, 0x10 + bar*4);
-                                               if (bardat == 0)
+                                               pdev.bars[bar].type = PCI_BAR_IO;
+                                               pdev.bars[bar].addr = bardat & ~0x3;
+                                       } else {
+                                               pdev.bars[bar].prefetchable = (bardat >> 3) & 1;
+                                               switch ((bardat >> 1) & 0x3)
                                                {
+                                               case 0:
+                                                       pdev.bars[bar].type = PCI_BAR_MEMORY32;
+                                                       pdev.bars[bar].addr = bardat & ~0xF;
+                                                       break;
+                                               case 2:
+                                                       pdev.bars[bar].type = PCI_BAR_MEMORY64;
+                                                       bar++;
+                                                       pdev.bars[bar].type = PCI_BAR_NONE;
+                                                       break;
+                                               default:
                                                        pdev.bars[bar].type = PCI_BAR_NONE;
                                                        continue;
                                                }
-                                               if (bardat & 1)
-                                               {
-                                                       pdev.bars[bar].type = PCI_BAR_IO;
-                                                       pdev.bars[bar].addr = bardat & ~0x3;
-                                               } else {
-                                                       pdev.bars[bar].prefetchable = (bardat >> 3) & 1;
-                                                       switch ((bardat >> 1) & 0x3)
-                                                       {
-                                                       case 0:
-                                                               pdev.bars[bar].type = PCI_BAR_MEMORY32;
-                                                               pdev.bars[bar].addr = bardat & ~0xF;
-                                                               break;
-                                                       case 2:
-                                                               pdev.bars[bar].type = PCI_BAR_MEMORY64;
-                                                               bar++;
-                                                               pdev.bars[bar].type = PCI_BAR_NONE;
-                                                               break;
-                                                       default:
-                                                               pdev.bars[bar].type = PCI_BAR_NONE;
-                                                               continue;
-                                                       }
-                                               }
                                        }
-                                       
-                                       devsfound += probe(&pdev);
                                }
+                               
+                               devsfound += probe(&pdev, data);
+                       }
+               }
        
        return devsfound;
 }
 
-static int _enumfn(pci_dev_t *pdev)
+static int _enumfn(pci_dev_t *pdev, void *data)
 {
        int bar;
        
@@ -95,6 +108,24 @@ static int _enumfn(pci_dev_t *pdev)
 
 void pci_bus_enum()
 {
-       pci_probe(_enumfn);
+       pci_probe(_enumfn, 0x0);
 }
 
+static int _probefn(pci_dev_t *dev, void *d)
+{
+       pci_driver_t *driver = d;
+       int i;
+       
+       for (i = 0; i < driver->id_count; i++)
+               if ((dev->vid == driver->ids[i].vid) && (dev->did == driver->ids[i].did))
+               {
+                       outputf("Probing PCI device: %s", driver->ids[i].name ? driver->ids[i].name : driver->name);
+                       return driver->probe(dev, d);
+               }
+       return 0;
+}
+
+int pci_probe_driver(pci_driver_t *driver)
+{
+       return pci_probe(_probefn, driver);
+}