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. (aacraid@pmc-sierra.com)
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
38 /**
39 * aac_nark_ioremap
40 * @size: mapping resize request
41 *
42 */
aac_nark_ioremap(struct aac_dev * dev,u32 size)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
69 /**
70 * aac_nark_init - initialize an NEMER/ARK Split Bar card
71 * @dev: device to configure
72 *
73 */
74
aac_nark_init(struct aac_dev * dev)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 }
85