[SCSI] aacraid: Begin adding support for new adapter type

Received from Mark Salyzyn,

Add in the NEMER/ARK physical register mapping, represented in up and coming
products currently under test at Adaptec.

Signed-off-by Mark Haverkamp <markh@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 87 insertions, 0 deletions

diff --git a/drivers/scsi/aacraid/nark.c b/drivers/scsi/aacraid/nark.c
new file mode 100644
index 000000000000..c76b611b6afb
--- /dev/null
+++ b/drivers/scsi/aacraid/nark.c
@@ -0,0 +1,87 @@
+/*
+ *      Adaptec AAC series RAID controller driver
+ *      (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
+ *
+ * based on the old aacraid driver that is..
+ * Adaptec aacraid device driver for Linux.
+ *
+ * Copyright (c) 2000 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)
+{
+        extern int _aac_rx_init(struct aac_dev *dev);
+        extern int aac_rx_select_comm(struct aac_dev *dev, int comm);
+
+        /*
+         *      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);
+}