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239eab19 MH |
1 | /* |
2 | * Adaptec AAC series RAID controller driver | |
239eab19 MH |
3 | * |
4 | * based on the old aacraid driver that is.. | |
5 | * Adaptec aacraid device driver for Linux. | |
6 | * | |
e8b12f0f MR |
7 | * Copyright (c) 2000-2010 Adaptec, Inc. |
8 | * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) | |
239eab19 MH |
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 | */ | |
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 | } | |
ff08784b | 52 | dev->base_start = pci_resource_start(dev->pdev, 2); |
239eab19 MH |
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; | |
ff08784b | 59 | dev->base = ioremap(dev->base_start, size); |
239eab19 MH |
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 | ||
75 | int aac_nark_init(struct aac_dev * dev) | |
76 | { | |
239eab19 MH |
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 | } |