155 lines
3.8 KiB
C
155 lines
3.8 KiB
C
/* -*- mode: c; c-basic-offset: 8 -*- */
|
|
|
|
/* SNI RM driver
|
|
*
|
|
* Copyright (C) 2001 by James.Bottomley@HansenPartnership.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 of the License, 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; if not, write to the Free Software
|
|
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
**
|
|
**-----------------------------------------------------------------------------
|
|
*/
|
|
|
|
/*
|
|
* Based on lasi700.c
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/types.h>
|
|
#include <linux/stat.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/blkdev.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <asm/page.h>
|
|
#include <asm/pgtable.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/delay.h>
|
|
|
|
#include <scsi/scsi_host.h>
|
|
#include <scsi/scsi_device.h>
|
|
#include <scsi/scsi_transport.h>
|
|
#include <scsi/scsi_transport_spi.h>
|
|
|
|
#include "53c700.h"
|
|
|
|
MODULE_AUTHOR("Thomas Bogendörfer");
|
|
MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:snirm_53c710");
|
|
|
|
#define SNIRM710_CLOCK 32
|
|
|
|
static struct scsi_host_template snirm710_template = {
|
|
.name = "SNI RM SCSI 53c710",
|
|
.proc_name = "snirm_53c710",
|
|
.this_id = 7,
|
|
.module = THIS_MODULE,
|
|
};
|
|
|
|
static int __init snirm710_probe(struct platform_device *dev)
|
|
{
|
|
unsigned long base;
|
|
struct NCR_700_Host_Parameters *hostdata;
|
|
struct Scsi_Host *host;
|
|
struct resource *res;
|
|
|
|
res = platform_get_resource(dev, IORESOURCE_MEM, 0);
|
|
if (!res)
|
|
return -ENODEV;
|
|
|
|
base = res->start;
|
|
hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
|
|
if (!hostdata) {
|
|
dev_printk(KERN_ERR, dev, "Failed to allocate host data\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
hostdata->dev = &dev->dev;
|
|
dma_set_mask(&dev->dev, DMA_32BIT_MASK);
|
|
hostdata->base = ioremap_nocache(base, 0x100);
|
|
hostdata->differential = 0;
|
|
|
|
hostdata->clock = SNIRM710_CLOCK;
|
|
hostdata->force_le_on_be = 1;
|
|
hostdata->chip710 = 1;
|
|
hostdata->burst_length = 4;
|
|
|
|
host = NCR_700_detect(&snirm710_template, hostdata, &dev->dev);
|
|
if (!host)
|
|
goto out_kfree;
|
|
host->this_id = 7;
|
|
host->base = base;
|
|
host->irq = platform_get_irq(dev, 0);
|
|
if(request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "snirm710", host)) {
|
|
printk(KERN_ERR "snirm710: request_irq failed!\n");
|
|
goto out_put_host;
|
|
}
|
|
|
|
dev_set_drvdata(&dev->dev, host);
|
|
scsi_scan_host(host);
|
|
|
|
return 0;
|
|
|
|
out_put_host:
|
|
scsi_host_put(host);
|
|
out_kfree:
|
|
iounmap(hostdata->base);
|
|
kfree(hostdata);
|
|
return -ENODEV;
|
|
}
|
|
|
|
static int __exit snirm710_driver_remove(struct platform_device *dev)
|
|
{
|
|
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
|
|
struct NCR_700_Host_Parameters *hostdata =
|
|
(struct NCR_700_Host_Parameters *)host->hostdata[0];
|
|
|
|
scsi_remove_host(host);
|
|
NCR_700_release(host);
|
|
free_irq(host->irq, host);
|
|
iounmap(hostdata->base);
|
|
kfree(hostdata);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver snirm710_driver = {
|
|
.probe = snirm710_probe,
|
|
.remove = __devexit_p(snirm710_driver_remove),
|
|
.driver = {
|
|
.name = "snirm_53c710",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
static int __init snirm710_init(void)
|
|
{
|
|
return platform_driver_register(&snirm710_driver);
|
|
}
|
|
|
|
static void __exit snirm710_exit(void)
|
|
{
|
|
platform_driver_unregister(&snirm710_driver);
|
|
}
|
|
|
|
module_init(snirm710_init);
|
|
module_exit(snirm710_exit);
|