From c4a3a2f8173b515bf03feb95e565fcc77e169b90 Mon Sep 17 00:00:00 2001
From: Oliver McFadden <z3ro.geek@gmail.com>
Date: Thu, 1 Nov 2007 17:49:21 +0000
Subject: Added completely untested PCI interface support...

---
 src/revenge_main.c   | 17 +++++++++++------
 src/revenge_main.h   |  1 +
 src/revenge_memory.c | 17 ++++++++++++++---
 3 files changed, 26 insertions(+), 9 deletions(-)

diff --git a/src/revenge_main.c b/src/revenge_main.c
index 4a54fcc..b8d363a 100644
--- a/src/revenge_main.c
+++ b/src/revenge_main.c
@@ -101,6 +101,7 @@ static struct option long_options[] = {
   {"fast", no_argument, &option_fast, 1},
   {"igp", no_argument, &option_interface, INTERFACE_IGP},
   {"output", required_argument, 0, 'o'},
+  {"pci", no_argument, &option_interface, INTERFACE_PCI},
   {"pci-e", no_argument, &option_interface, INTERFACE_PCI_E},
   {"verbose", no_argument, &option_verbose, 1},
   {0, 0, 0, 0},
@@ -192,8 +193,8 @@ main (int argc, char **argv)
 	  exit (EXIT_FAILURE);
 	}
       break;
-    case INTERFACE_PCI_E:
-      detect_pcigart_aperture ();
+    case INTERFACE_IGP:
+      detect_igpgart_aperture ();
       if ((pcigart_mem_map =
 	   mmap (NULL, pcigart_len, PROT_READ | PROT_WRITE, MAP_SHARED,
 		 mem_fd, pcigart_addr)) == MAP_FAILED)
@@ -203,8 +204,9 @@ main (int argc, char **argv)
 	  exit (EXIT_FAILURE);
 	}
       break;
-    case INTERFACE_IGP:
-      detect_igpgart_aperture ();
+    case INTERFACE_PCI:
+    case INTERFACE_PCI_E:
+      detect_pcigart_aperture ();
       if ((pcigart_mem_map =
 	   mmap (NULL, pcigart_len, PROT_READ | PROT_WRITE, MAP_SHARED,
 		 mem_fd, pcigart_addr)) == MAP_FAILED)
@@ -267,9 +269,9 @@ main (int argc, char **argv)
 	  exit (EXIT_FAILURE);
 	}
       break;
-    case INTERFACE_PCI_E:
     case INTERFACE_IGP:
-    default:
+    case INTERFACE_PCI:
+    case INTERFACE_PCI_E:
       if (munmap (pcigart_mem_map, pcigart_len) < 0)
 	{
 	  fprintf (stderr, "%s: %s\n", program_invocation_short_name,
@@ -277,6 +279,9 @@ main (int argc, char **argv)
 	  exit (EXIT_FAILURE);
 	}
       break;
+    default:
+      assert (0);
+      break;
     }
 
   if (close (mem_fd) < 0)
diff --git a/src/revenge_main.h b/src/revenge_main.h
index 39d1d7e..a79c990 100644
--- a/src/revenge_main.h
+++ b/src/revenge_main.h
@@ -27,6 +27,7 @@ enum interface_t
 {
   INTERFACE_AGP,
   INTERFACE_IGP,
+  INTERFACE_PCI,
   INTERFACE_PCI_E,
 };
 
diff --git a/src/revenge_memory.c b/src/revenge_memory.c
index 7a9edc8..fd28e04 100644
--- a/src/revenge_memory.c
+++ b/src/revenge_memory.c
@@ -62,11 +62,17 @@ memory_gart_to_phys (unsigned int addr)
   switch (option_interface)
     {
     case INTERFACE_IGP:
-      phys_addr = (pcigart_mem_map[num] & ~0xc);
+      phys_addr = pcigart_mem_map[num] & ~0xc;
       break;
-    default:
+    case INTERFACE_PCI:
+      phys_addr = pcigart_mem_map[num];
+      break;
+    case INTERFACE_PCI_E:
       phys_addr = (pcigart_mem_map[num] & ~0xc) << 8;
       break;
+    default:
+      assert (0);
+      break;
     }
 
   phys_addr = phys_addr & ~(ATI_PCIGART_PAGE_SIZE - 1);
@@ -156,9 +162,14 @@ memory_read (unsigned int addr, unsigned int size)
     case INTERFACE_AGP:
       mem_map = memory_read_agp (addr, size);
       break;
-    default:
+    case INTERFACE_IGP:
+    case INTERFACE_PCI:
+    case INTERFACE_PCI_E:
       mem_map = memory_read_pcigart (addr, size);
       break;
+    default:
+      assert (0);
+      break;
     }
 
   return mem_map;
-- 
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