[mirror_ubuntu-zesty-kernel.git] / drivers / scsi / aacraid / nark.c

/*
 *	Adaptec AAC series RAID controller driver
 *
 * based on the old aacraid driver that is..
 * Adaptec aacraid device driver for Linux.
 *
 * Copyright (c) 2006-2007 Adaptec, Inc. (aacraid@adaptec.com)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * Module Name:
 *  nark.c
 *
 * Abstract: Hardware Device Interface for NEMER/ARK
 *
 */

#include <linux/pci.h>
#include <linux/blkdev.h>

#include <scsi/scsi_host.h>

#include "aacraid.h"

/**
 *	aac_nark_ioremap
 *	@size: mapping resize request
 *
 */
static int aac_nark_ioremap(struct aac_dev * dev, u32 size)
{
	if (!size) {
		iounmap(dev->regs.rx);
		dev->regs.rx = NULL;
		iounmap(dev->base);
		dev->base = NULL;
		return 0;
	}
	dev->scsi_host_ptr->base = pci_resource_start(dev->pdev, 2);
	dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) |
	  ((u64)pci_resource_start(dev->pdev, 1) << 32),
	  sizeof(struct rx_registers) - sizeof(struct rx_inbound));
	dev->base = NULL;
	if (dev->regs.rx == NULL)
		return -1;
	dev->base = ioremap(dev->scsi_host_ptr->base, size);
	if (dev->base == NULL) {
		iounmap(dev->regs.rx);
		dev->regs.rx = NULL;
		return -1;
	}
	dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs;
	return 0;
}

/**
 *	aac_nark_init	-	initialize an NEMER/ARK Split Bar card
 *	@dev: device to configure
 *
 */

int aac_nark_init(struct aac_dev * dev)
{
	/*
	 *	Fill in the function dispatch table.
	 */
	dev->a_ops.adapter_ioremap = aac_nark_ioremap;
	dev->a_ops.adapter_comm = aac_rx_select_comm;

	return _aac_rx_init(dev);
}
Commit	Line	Data
239eab19 MH	1	/*
239eab19 MH	2	* Adaptec AAC series RAID controller driver
239eab19 MH	3	*
	4	* based on the old aacraid driver that is..
	5	* Adaptec aacraid device driver for Linux.
	6	*
c835e372	7	* Copyright (c) 2006-2007 Adaptec, Inc. (aacraid@adaptec.com)
239eab19 MH	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	*/
	42	static 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
74	int aac_nark_init(struct aac_dev * dev)
75	{
239eab19 MH	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	}