72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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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) 2000-2010 Adaptec, Inc.
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* 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
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* 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
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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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#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->base_start = 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->base_start, 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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