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 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) 9 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com) 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2, or (at your option) 14 * any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; see the file COPYING. If not, write to 23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 24 * 25 * Module Name: 26 * nark.c 27 * 28 * Abstract: Hardware Device Interface for NEMER/ARK 29 * 30 */ 31 32 #include <linux/pci.h> 33 #include <linux/blkdev.h> 34 35 #include <scsi/scsi_host.h> 36 37 #include "aacraid.h" 38 39 /** 40 * aac_nark_ioremap 41 * @size: mapping resize request 42 * 43 */ 44 static int aac_nark_ioremap(struct aac_dev * dev, u32 size) 45 { 46 if (!size) { 47 iounmap(dev->regs.rx); 48 dev->regs.rx = NULL; 49 iounmap(dev->base); 50 dev->base = NULL; 51 return 0; 52 } 53 dev->base_start = pci_resource_start(dev->pdev, 2); 54 dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) | 55 ((u64)pci_resource_start(dev->pdev, 1) << 32), 56 sizeof(struct rx_registers) - sizeof(struct rx_inbound)); 57 dev->base = NULL; 58 if (dev->regs.rx == NULL) 59 return -1; 60 dev->base = ioremap(dev->base_start, size); 61 if (dev->base == NULL) { 62 iounmap(dev->regs.rx); 63 dev->regs.rx = NULL; 64 return -1; 65 } 66 dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs; 67 return 0; 68 } 69 70 /** 71 * aac_nark_init - initialize an NEMER/ARK Split Bar card 72 * @dev: device to configure 73 * 74 */ 75 76 int aac_nark_init(struct aac_dev * dev) 77 { 78 /* 79 * Fill in the function dispatch table. 80 */ 81 dev->a_ops.adapter_ioremap = aac_nark_ioremap; 82 dev->a_ops.adapter_comm = aac_rx_select_comm; 83 84 return _aac_rx_init(dev); 85 } 86