/*
 *
 * include/linux/coh901318.h
 *
 *
 * Copyright (C) 2007-2009 ST-Ericsson
 * License terms: GNU General Public License (GPL) version 2
 * DMA driver for COH 901 318
 * Author: Per Friden <per.friden@stericsson.com>
 */

#ifndef COH901318_H
#define COH901318_H

#include <linux/device.h>
#include <linux/dmaengine.h>

#define MAX_DMA_PACKET_SIZE_SHIFT 11
#define MAX_DMA_PACKET_SIZE (1 << MAX_DMA_PACKET_SIZE_SHIFT)

/**
 * struct coh901318_lli - linked list item for DMAC
 * @control: control settings for DMAC
 * @src_addr: transfer source address
 * @dst_addr: transfer destination address
 * @link_addr:  physical address to next lli
 * @virt_link_addr: virtual address of next lli (only used by pool_free)
 * @phy_this: physical address of current lli (only used by pool_free)
 */
struct coh901318_lli {
	u32 control;
	dma_addr_t src_addr;
	dma_addr_t dst_addr;
	dma_addr_t link_addr;

	void *virt_link_addr;
	dma_addr_t phy_this;
};
/**
 * struct coh901318_params - parameters for DMAC configuration
 * @config: DMA config register
 * @ctrl_lli_last: DMA control register for the last lli in the list
 * @ctrl_lli: DMA control register for an lli
 * @ctrl_lli_chained: DMA control register for a chained lli
 */
struct coh901318_params {
	u32 config;
	u32 ctrl_lli_last;
	u32 ctrl_lli;
	u32 ctrl_lli_chained;
};
/**
 * struct coh_dma_channel - dma channel base
 * @name: ascii name of dma channel