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72 lines
1.6 KiB
72 lines
1.6 KiB
// 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. ([email protected]) |
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* 2016-2017 Microsemi Corp. ([email protected]) |
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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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* @dev: device to 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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