blob: 6c53b1d8b2badc6070a7a2d5cb3f13b42cd47fac (
plain) (
tree)
|
|
/*
* Adaptec AAC series RAID controller driver
*
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Module Name:
* nark.c
*
* Abstract: Hardware Device Interface for NEMER/ARK
*
*/
#include <linux/pci.h>
#include <linux/blkdev.h>
#include <scsi/scsi_host.h>
#include "aacraid.h"
/**
* aac_nark_ioremap
* @size: mapping resize request
*
*/
static int aac_nark_ioremap(struct aac_dev * dev, u32 size)
{
if (!size) {
iounmap(dev->regs.rx);
dev->regs.rx = NULL;
iounmap(dev->base);
dev->base = NULL;
return 0;
}
dev->base_start = pci_resource_start(dev->pdev, 2);
dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) |
((u64)pci_resource_start(dev->pdev, 1) << 32),
sizeof(struct rx_registers) - sizeof(struct rx_inbound));
dev->base = NULL;
if (dev->regs.rx == NULL)
return -1;
dev->base = ioremap(dev->base_start, size);
if (dev->base == NULL) {
iounmap(dev->regs.rx);
dev->regs.rx = NULL;
return -1;
}
dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs;
return 0;
}
/**
* aac_nark_init - initialize an NEMER/ARK Split Bar card
* @dev: device to configure
*
*/
int aac_nark_init(struct aac_dev * dev)
{
/*
* Fill in the function dispatch table.
*/
dev->a_ops.adapter_ioremap = aac_nark_ioremap;
dev->a_ops.adapter_comm = aac_rx_select_comm;
return _aac_rx_init(dev);
}
|
