1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Adaptec AAC series RAID controller driver 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * based on the old aacraid driver that is.. 6*4882a593Smuzhiyun * Adaptec aacraid device driver for Linux. 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * Copyright (c) 2000-2010 Adaptec, Inc. 9*4882a593Smuzhiyun * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) 10*4882a593Smuzhiyun * 2016-2017 Microsemi Corp. (aacraid@microsemi.com) 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * Module Name: 13*4882a593Smuzhiyun * nark.c 14*4882a593Smuzhiyun * 15*4882a593Smuzhiyun * Abstract: Hardware Device Interface for NEMER/ARK 16*4882a593Smuzhiyun */ 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #include <linux/pci.h> 19*4882a593Smuzhiyun #include <linux/blkdev.h> 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #include <scsi/scsi_host.h> 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #include "aacraid.h" 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun /** 26*4882a593Smuzhiyun * aac_nark_ioremap 27*4882a593Smuzhiyun * @dev: device to ioremap 28*4882a593Smuzhiyun * @size: mapping resize request 29*4882a593Smuzhiyun * 30*4882a593Smuzhiyun */ aac_nark_ioremap(struct aac_dev * dev,u32 size)31*4882a593Smuzhiyunstatic int aac_nark_ioremap(struct aac_dev * dev, u32 size) 32*4882a593Smuzhiyun { 33*4882a593Smuzhiyun if (!size) { 34*4882a593Smuzhiyun iounmap(dev->regs.rx); 35*4882a593Smuzhiyun dev->regs.rx = NULL; 36*4882a593Smuzhiyun iounmap(dev->base); 37*4882a593Smuzhiyun dev->base = NULL; 38*4882a593Smuzhiyun return 0; 39*4882a593Smuzhiyun } 40*4882a593Smuzhiyun dev->base_start = pci_resource_start(dev->pdev, 2); 41*4882a593Smuzhiyun dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) | 42*4882a593Smuzhiyun ((u64)pci_resource_start(dev->pdev, 1) << 32), 43*4882a593Smuzhiyun sizeof(struct rx_registers) - sizeof(struct rx_inbound)); 44*4882a593Smuzhiyun dev->base = NULL; 45*4882a593Smuzhiyun if (dev->regs.rx == NULL) 46*4882a593Smuzhiyun return -1; 47*4882a593Smuzhiyun dev->base = ioremap(dev->base_start, size); 48*4882a593Smuzhiyun if (dev->base == NULL) { 49*4882a593Smuzhiyun iounmap(dev->regs.rx); 50*4882a593Smuzhiyun dev->regs.rx = NULL; 51*4882a593Smuzhiyun return -1; 52*4882a593Smuzhiyun } 53*4882a593Smuzhiyun dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs; 54*4882a593Smuzhiyun return 0; 55*4882a593Smuzhiyun } 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun /** 58*4882a593Smuzhiyun * aac_nark_init - initialize an NEMER/ARK Split Bar card 59*4882a593Smuzhiyun * @dev: device to configure 60*4882a593Smuzhiyun * 61*4882a593Smuzhiyun */ 62*4882a593Smuzhiyun aac_nark_init(struct aac_dev * dev)63*4882a593Smuzhiyunint aac_nark_init(struct aac_dev * dev) 64*4882a593Smuzhiyun { 65*4882a593Smuzhiyun /* 66*4882a593Smuzhiyun * Fill in the function dispatch table. 67*4882a593Smuzhiyun */ 68*4882a593Smuzhiyun dev->a_ops.adapter_ioremap = aac_nark_ioremap; 69*4882a593Smuzhiyun dev->a_ops.adapter_comm = aac_rx_select_comm; 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun return _aac_rx_init(dev); 72*4882a593Smuzhiyun } 73