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) 2006-2007 Adaptec, Inc. (aacraid@adaptec.com) 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2, or (at your option) 12 * any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; see the file COPYING. If not, write to 21 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 22 * 23 * Module Name: 24 * nark.c 25 * 26 * Abstract: Hardware Device Interface for NEMER/ARK 27 * 28 */ 29 30#include <linux/pci.h> 31#include <linux/blkdev.h> 32 33#include <scsi/scsi_host.h> 34 35#include "aacraid.h" 36 37/** 38 * aac_nark_ioremap 39 * @size: mapping resize request 40 * 41 */ 42static int aac_nark_ioremap(struct aac_dev * dev, u32 size) 43{ 44 if (!size) { 45 iounmap(dev->regs.rx); 46 dev->regs.rx = NULL; 47 iounmap(dev->base); 48 dev->base = NULL; 49 return 0; 50 } 51 dev->scsi_host_ptr->base = pci_resource_start(dev->pdev, 2); 52 dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) | 53 ((u64)pci_resource_start(dev->pdev, 1) << 32), 54 sizeof(struct rx_registers) - sizeof(struct rx_inbound)); 55 dev->base = NULL; 56 if (dev->regs.rx == NULL) 57 return -1; 58 dev->base = ioremap(dev->scsi_host_ptr->base, size); 59 if (dev->base == NULL) { 60 iounmap(dev->regs.rx); 61 dev->regs.rx = NULL; 62 return -1; 63 } 64 dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs; 65 return 0; 66} 67 68/** 69 * aac_nark_init - initialize an NEMER/ARK Split Bar card 70 * @dev: device to configure 71 * 72 */ 73 74int aac_nark_init(struct aac_dev * dev) 75{ 76 /* 77 * Fill in the function dispatch table. 78 */ 79 dev->a_ops.adapter_ioremap = aac_nark_ioremap; 80 dev->a_ops.adapter_comm = aac_rx_select_comm; 81 82 return _aac_rx_init(dev); 83} 84