xnu-1699.22.73.tar.gz

[apple/xnu.git] / iokit / Kernel / ppc / IODBDMA.cpp

diff --git a/iokit/Kernel/ppc/IODBDMA.cpp b/iokit/Kernel/ppc/IODBDMA.cpp
deleted file mode 100644 (file)
index f706e28..0000000
--- a/iokit/Kernel/ppc/IODBDMA.cpp
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- * 
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- * 
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1997 Apple Computer, Inc.
- *
- *
- * HISTORY
- *
- * Simon Douglas  10 Nov 97
- * - first checked in, mostly from machdep/ppc/dbdma.c
- *
- */
-
-
-#include <IOKit/ppc/IODBDMA.h>
-#include <IOKit/IOLib.h>
-
-void
-IODBDMAStart( volatile IODBDMAChannelRegisters *registers, volatile IODBDMADescriptor *physicalDescPtr)
-{
-
-    if( ((int) physicalDescPtr) & 0xf)
-       panic("IODBDMAStart: unaligned IODBDMADescriptor");
-
-    eieio();
-    IOSetDBDMAInterruptSelect(registers, 0xff000000);          // clear out interrupts
-
-    IOSetDBDMAChannelControl( registers,
-       IOClearDBDMAChannelControlBits( kdbdmaRun | kdbdmaPause | kdbdmaFlush | kdbdmaWake | kdbdmaDead | kdbdmaActive ));
-
-    while( IOGetDBDMAChannelStatus( registers) & kdbdmaActive)
-       eieio();
-
-    IOSetDBDMACommandPtr( registers, (unsigned int) physicalDescPtr);
-
-    IOSetDBDMAChannelControl( registers,
-       IOSetDBDMAChannelControlBits( kdbdmaRun | kdbdmaWake ));
-
-}
-
-void
-IODBDMAStop( volatile IODBDMAChannelRegisters *registers)
-{
-
-    IOSetDBDMAChannelControl( registers,
-         IOClearDBDMAChannelControlBits( kdbdmaRun )
-       | IOSetDBDMAChannelControlBits(  kdbdmaFlush ));
-
-    while( IOGetDBDMAChannelStatus( registers) & ( kdbdmaActive | kdbdmaFlush))
-       eieio();
-
-}
-
-void
-IODBDMAFlush( volatile IODBDMAChannelRegisters *registers)
-{
-
-    IOSetDBDMAChannelControl( registers,
-        IOSetDBDMAChannelControlBits(  kdbdmaFlush ));
-
-    while( IOGetDBDMAChannelStatus( registers) & kdbdmaFlush)
-       eieio();
-
-}
-
-void
-IODBDMAReset( volatile IODBDMAChannelRegisters *registers)
-{
-
-    IOSetDBDMAChannelControl( registers,
-       IOClearDBDMAChannelControlBits( kdbdmaRun | kdbdmaPause | kdbdmaFlush | kdbdmaWake | kdbdmaDead | kdbdmaActive ));
-
-    while( IOGetDBDMAChannelStatus( registers) & kdbdmaActive)
-       eieio();
-
-}
-
-void
-IODBDMAContinue( volatile IODBDMAChannelRegisters *registers)
-{
-
-    IOSetDBDMAChannelControl( registers,
-         IOClearDBDMAChannelControlBits( kdbdmaPause | kdbdmaDead )
-       | IOSetDBDMAChannelControlBits(  kdbdmaRun | kdbdmaWake ));
-
-}
-
-void
-IODBDMAPause( volatile IODBDMAChannelRegisters *registers)
-{
-
-    IOSetDBDMAChannelControl( registers,
-        IOSetDBDMAChannelControlBits(  kdbdmaPause ));
-
-    while( IOGetDBDMAChannelStatus( registers) & kdbdmaActive)
-       eieio();
-
-}
-
-IOReturn
-IOAllocatePhysicallyContiguousMemory(
-               unsigned int /* size */, unsigned int /* options */,
-               IOVirtualAddress * /* logical */,
-               IOPhysicalAddress * /* physical */ )
-{
-#if 0
-    IOReturn           err;
-    vm_offset_t                mem;
-
-    if( (size > 4096) || (options))
-       return( kIOReturnUnsupported);
-
-    mem = (vm_offset_t) IOMalloc( size);
-    *logical = (IOVirtualAddress) mem;
-
-    if( mem) {
-       err = IOPhysicalFromVirtual( IOVmTaskSelf(), mem, (vm_offset_t *) physical);
-       if( err)
-           IOFree( (char *)mem, size);
-
-    } else {
-       err = kIOReturnNoMemory;
-       *physical = 0;
-    }
-
-    return( err);
-#endif /* 0 */
-       return (kIOReturnUnsupported);
-}
-
-IOReturn
-IOFreePhysicallyContiguousMemory( IOVirtualAddress * logical, unsigned int size)
-{
-    IOFree( logical, size);
-    return( kIOReturnSuccess);
-}