diff options
| author | Eric Anholt <anholt@freebsd.org> | 2003-03-05 06:04:50 +0000 |
|---|---|---|
| committer | Eric Anholt <anholt@freebsd.org> | 2003-03-05 06:04:50 +0000 |
| commit | 3f786dbd1827d4f399bdf71e57d970ea8124bb0c (patch) | |
| tree | 1a7a450008f66e7ab734ec7ebdbd8b786be23352 /bsd | |
| parent | 1434bfe4a8e5fb7b6e8f52d3a732582e61216f68 (diff) | |
Update mmap handling for FreeBSD-current (Based on r1.3 of FreeBSD CVS).
Diffstat (limited to 'bsd')
| -rw-r--r-- | bsd/drm_vm.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/bsd/drm_vm.h b/bsd/drm_vm.h index 040d58b84..ab3563665 100644 --- a/bsd/drm_vm.h +++ b/bsd/drm_vm.h @@ -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. */ } |