Linux Kernel  3.7.1
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nark.c
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1 /*
2  * Adaptec AAC series RAID controller driver
3  *
4  * based on the old aacraid driver that is..
5  * Adaptec aacraid device driver for Linux.
6  *
7  * Copyright (c) 2000-2010 Adaptec, Inc.
8  * 2010 PMC-Sierra, Inc. ([email protected])
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2, or (at your option)
13  * any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; see the file COPYING. If not, write to
22  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23  *
24  * Module Name:
25  * nark.c
26  *
27  * Abstract: Hardware Device Interface for NEMER/ARK
28  *
29  */
30 
31 #include <linux/pci.h>
32 #include <linux/blkdev.h>
33 
34 #include <scsi/scsi_host.h>
35 
36 #include "aacraid.h"
37 
43 static int aac_nark_ioremap(struct aac_dev * dev, u32 size)
44 {
45  if (!size) {
46  iounmap(dev->regs.rx);
47  dev->regs.rx = NULL;
48  iounmap(dev->base);
49  dev->base = NULL;
50  return 0;
51  }
52  dev->base_start = pci_resource_start(dev->pdev, 2);
53  dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) |
54  ((u64)pci_resource_start(dev->pdev, 1) << 32),
55  sizeof(struct rx_registers) - sizeof(struct rx_inbound));
56  dev->base = NULL;
57  if (dev->regs.rx == NULL)
58  return -1;
59  dev->base = ioremap(dev->base_start, size);
60  if (dev->base == NULL) {
61  iounmap(dev->regs.rx);
62  dev->regs.rx = NULL;
63  return -1;
64  }
65  dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs;
66  return 0;
67 }
68 
75 int aac_nark_init(struct aac_dev * dev)
76 {
77  /*
78  * Fill in the function dispatch table.
79  */
80  dev->a_ops.adapter_ioremap = aac_nark_ioremap;
81  dev->a_ops.adapter_comm = aac_rx_select_comm;
82 
83  return _aac_rx_init(dev);
84 }