| Mark Haverkamp | 239eab1 | 2007-01-23 15:00:13 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Adaptec AAC series RAID controller driver |
| 3 | * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> |
| 4 | * |
| 5 | * based on the old aacraid driver that is.. |
| 6 | * Adaptec aacraid device driver for Linux. |
| 7 | * |
| 8 | * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.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 | */ |
| 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->scsi_host_ptr->base = 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->scsi_host_ptr->base, 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 | |
| 75 | int aac_nark_init(struct aac_dev * dev) |
| 76 | { |
| 77 | extern int _aac_rx_init(struct aac_dev *dev); |
| 78 | extern int aac_rx_select_comm(struct aac_dev *dev, int comm); |
| 79 | |
| 80 | /* |
| 81 | * Fill in the function dispatch table. |
| 82 | */ |
| 83 | dev->a_ops.adapter_ioremap = aac_nark_ioremap; |
| 84 | dev->a_ops.adapter_comm = aac_rx_select_comm; |
| 85 | |
| 86 | return _aac_rx_init(dev); |
| 87 | } |