84 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 *	Adaptec AAC series RAID controller driver
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 *
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 * based on the old aacraid driver that is..
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 * Adaptec aacraid device driver for Linux.
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 *
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 * Copyright (c) 2006-2007 Adaptec, Inc. (aacraid@adaptec.com)
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2, or (at your option)
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 * any later version.
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 *
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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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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; see the file COPYING.  If not, write to
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 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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 *
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 * Module Name:
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 *  nark.c
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 *
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 * Abstract: Hardware Device Interface for NEMER/ARK
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 *
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 */
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#include <linux/pci.h>
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#include <linux/blkdev.h>
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#include <scsi/scsi_host.h>
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#include "aacraid.h"
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/**
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 *	aac_nark_ioremap
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 *	@size: mapping resize request
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 *
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 */
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static int aac_nark_ioremap(struct aac_dev * dev, u32 size)
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{
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	if (!size) {
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		iounmap(dev->regs.rx);
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		dev->regs.rx = NULL;
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		iounmap(dev->base);
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		dev->base = NULL;
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		return 0;
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	}
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	dev->scsi_host_ptr->base = pci_resource_start(dev->pdev, 2);
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	dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) |
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	  ((u64)pci_resource_start(dev->pdev, 1) << 32),
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	  sizeof(struct rx_registers) - sizeof(struct rx_inbound));
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	dev->base = NULL;
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	if (dev->regs.rx == NULL)
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		return -1;
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	dev->base = ioremap(dev->scsi_host_ptr->base, size);
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	if (dev->base == NULL) {
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		iounmap(dev->regs.rx);
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		dev->regs.rx = NULL;
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		return -1;
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	}
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	dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs;
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	return 0;
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}
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/**
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 *	aac_nark_init	-	initialize an NEMER/ARK Split Bar card
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 *	@dev: device to configure
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 *
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 */
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int aac_nark_init(struct aac_dev * dev)
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{
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	/*
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	 *	Fill in the function dispatch table.
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	 */
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	dev->a_ops.adapter_ioremap = aac_nark_ioremap;
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	dev->a_ops.adapter_comm = aac_rx_select_comm;
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	return _aac_rx_init(dev);
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}
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