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 */ 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 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