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Mark Haverkamp239eab12007-01-23 15:00:13 -08001/*
2 * Adaptec AAC series RAID controller driver
Mark Haverkamp239eab12007-01-23 15:00:13 -08003 *
4 * based on the old aacraid driver that is..
5 * Adaptec aacraid device driver for Linux.
6 *
Mahesh Rajashekharae8b12f02011-03-17 02:10:32 -07007 * Copyright (c) 2000-2010 Adaptec, Inc.
Raghava Aditya Renukuntaf4babba2017-02-02 15:53:36 -08008 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
9 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
Mark Haverkamp239eab12007-01-23 15:00:13 -080010 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
14 * any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * Module Name:
26 * nark.c
27 *
28 * Abstract: Hardware Device Interface for NEMER/ARK
29 *
30 */
31
32#include <linux/pci.h>
33#include <linux/blkdev.h>
34
35#include <scsi/scsi_host.h>
36
37#include "aacraid.h"
38
39/**
40 * aac_nark_ioremap
41 * @size: mapping resize request
42 *
43 */
44static int aac_nark_ioremap(struct aac_dev * dev, u32 size)
45{
46 if (!size) {
47 iounmap(dev->regs.rx);
48 dev->regs.rx = NULL;
49 iounmap(dev->base);
50 dev->base = NULL;
51 return 0;
52 }
Ben Collinsff087842012-06-11 14:05:02 -040053 dev->base_start = pci_resource_start(dev->pdev, 2);
Mark Haverkamp239eab12007-01-23 15:00:13 -080054 dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) |
55 ((u64)pci_resource_start(dev->pdev, 1) << 32),
56 sizeof(struct rx_registers) - sizeof(struct rx_inbound));
57 dev->base = NULL;
58 if (dev->regs.rx == NULL)
59 return -1;
Ben Collinsff087842012-06-11 14:05:02 -040060 dev->base = ioremap(dev->base_start, size);
Mark Haverkamp239eab12007-01-23 15:00:13 -080061 if (dev->base == NULL) {
62 iounmap(dev->regs.rx);
63 dev->regs.rx = NULL;
64 return -1;
65 }
66 dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs;
67 return 0;
68}
69
70/**
71 * aac_nark_init - initialize an NEMER/ARK Split Bar card
72 * @dev: device to configure
73 *
74 */
75
76int aac_nark_init(struct aac_dev * dev)
77{
Mark Haverkamp239eab12007-01-23 15:00:13 -080078 /*
79 * Fill in the function dispatch table.
80 */
81 dev->a_ops.adapter_ioremap = aac_nark_ioremap;
82 dev->a_ops.adapter_comm = aac_rx_select_comm;
83
84 return _aac_rx_init(dev);
85}