|  | /* | 
|  | * Copyright (c) 2010 Intel Corporation | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License version 2 as | 
|  | * published by the Free Software Foundation. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | 
|  | */ | 
|  |  | 
|  | #ifndef PCH_DMA_H | 
|  | #define PCH_DMA_H | 
|  |  | 
|  | #include <linux/dmaengine.h> | 
|  |  | 
|  | enum pch_dma_width { | 
|  | PCH_DMA_WIDTH_1_BYTE, | 
|  | PCH_DMA_WIDTH_2_BYTES, | 
|  | PCH_DMA_WIDTH_4_BYTES, | 
|  | }; | 
|  |  | 
|  | struct pch_dma_slave { | 
|  | struct device		*dma_dev; | 
|  | unsigned int		chan_id; | 
|  | dma_addr_t		tx_reg; | 
|  | dma_addr_t		rx_reg; | 
|  | enum pch_dma_width	width; | 
|  | }; | 
|  |  | 
|  | #endif |