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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* 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.
* 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
* 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
*
* 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);
}
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