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/* dma.h -- Definition of DMA<->peripheral interface
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/* dma.h -- Definition of DMA<->peripheral interface
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Copyright (C) 2001 by Erez Volk, erez@opencores.org
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Copyright (C) 2001 by Erez Volk, erez@opencores.org
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Copyright (C) 2008 Embecosm Limited
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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This program is free software; you can redistribute it and/or modify
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You should have received a copy of the GNU General Public License along
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it under the terms of the GNU General Public License as published by
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with this program. If not, see <http://www.gnu.org/licenses/>. */
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "dma_defs.h"
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/* This program is commented throughout in a fashion suitable for processing
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with Doxygen. */
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#ifndef DMA__H
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#define DMA__H
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/* Package includes */
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#include "dma-defs.h"
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#include "sim-config.h"
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/* Implementation of DMA Channel Registers and State */
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/* Implementation of DMA Channel Registers and State */
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struct dma_channel
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struct dma_channel
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{
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{
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/* The controller we belong to */
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/* The controller we belong to */
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void clear_dma_nd_i( struct dma_channel *channel );
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void clear_dma_nd_i( struct dma_channel *channel );
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unsigned check_dma_ack_o( struct dma_channel *channel );
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unsigned check_dma_ack_o( struct dma_channel *channel );
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struct dma_channel *find_dma_controller_ch( unsigned controller,
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struct dma_channel *find_dma_controller_ch( unsigned controller,
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unsigned channel );
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unsigned channel );
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/* Prototype for external use */
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extern void reg_dma_sec ();
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#endif /* DMA__H */
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