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authorEric Anholt <anholt@freebsd.org>2003-03-05 06:04:50 +0000
committerEric Anholt <anholt@freebsd.org>2003-03-05 06:04:50 +0000
commit3f786dbd1827d4f399bdf71e57d970ea8124bb0c (patch)
tree1a7a450008f66e7ab734ec7ebdbd8b786be23352 /bsd-core
parent1434bfe4a8e5fb7b6e8f52d3a732582e61216f68 (diff)
Update mmap handling for FreeBSD-current (Based on r1.3 of FreeBSD CVS).
Diffstat (limited to 'bsd-core')
-rw-r--r--bsd-core/drm_vm.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/bsd-core/drm_vm.c b/bsd-core/drm_vm.c
index 040d58b8..ab356366 100644
--- a/bsd-core/drm_vm.c
+++ b/bsd-core/drm_vm.c
@@ -1,5 +1,11 @@
+/*
+ * $FreeBSD: src/sys/dev/drm/drm_vm.h,v 1.3 2003/02/25 03:21:19 mux Exp $
+ */
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500102
+static int DRM(dma_mmap)(dev_t kdev, vm_offset_t offset, vm_offset_t *paddr,
+ int prot)
+#elif defined(__FreeBSD__)
static int DRM(dma_mmap)(dev_t kdev, vm_offset_t offset, int prot)
#elif defined(__NetBSD__)
static paddr_t DRM(dma_mmap)(dev_t kdev, vm_offset_t offset, int prot)
@@ -17,10 +23,18 @@ static paddr_t DRM(dma_mmap)(dev_t kdev, vm_offset_t offset, int prot)
physical = dma->pagelist[page];
DRM_DEBUG("0x%08lx (page %lu) => 0x%08lx\n", (long)offset, page, physical);
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500102
+ *paddr = physical;
+ return 0;
+#else
return atop(physical);
+#endif
}
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500102
+int DRM(mmap)(dev_t kdev, vm_offset_t offset, vm_offset_t *paddr,
+ int prot)
+#elif defined(__FreeBSD__)
int DRM(mmap)(dev_t kdev, vm_offset_t offset, int prot)
#elif defined(__NetBSD__)
paddr_t DRM(mmap)(dev_t kdev, off_t offset, int prot)
@@ -44,7 +58,11 @@ paddr_t DRM(mmap)(dev_t kdev, off_t offset, int prot)
if (dev->dma
&& offset >= 0
&& offset < ptoa(dev->dma->page_count))
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500102
+ return DRM(dma_mmap)(kdev, offset, paddr, prot);
+#else
return DRM(dma_mmap)(kdev, offset, prot);
+#endif
/* A sequential search of a linked list is
fine here because: 1) there will only be
@@ -73,10 +91,20 @@ paddr_t DRM(mmap)(dev_t kdev, off_t offset, int prot)
case _DRM_FRAME_BUFFER:
case _DRM_REGISTERS:
case _DRM_AGP:
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500102
+ *paddr = offset;
+ return 0;
+#else
return atop(offset);
+#endif
case _DRM_SCATTER_GATHER:
case _DRM_SHM:
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500102
+ *paddr = vtophys(offset);
+ return 0;
+#else
return atop(vtophys(offset));
+#endif
default:
return -1; /* This should never happen. */
}