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yaml --- r: 47715 b: refs/heads/master c: c27d85f h: refs/heads/master i: 47713: 7a88370 47711: 1571c55 v: v3
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Thomas Bogendoerfer
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James Bottomley
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Jan 13, 2007
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/* -*- mode: c; c-basic-offset: 8 -*- */ | ||
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/* 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. | ||
** | ||
**----------------------------------------------------------------------------- | ||
*/ | ||
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/* | ||
* Based on lasi700.c | ||
*/ | ||
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#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> | ||
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#include <asm/page.h> | ||
#include <asm/pgtable.h> | ||
#include <asm/irq.h> | ||
#include <asm/delay.h> | ||
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#include <scsi/scsi_host.h> | ||
#include <scsi/scsi_device.h> | ||
#include <scsi/scsi_transport.h> | ||
#include <scsi/scsi_transport_spi.h> | ||
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#include "53c700.h" | ||
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MODULE_AUTHOR("Thomas Bogendörfer"); | ||
MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver"); | ||
MODULE_LICENSE("GPL"); | ||
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#define SNIRM710_CLOCK 32 | ||
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static struct scsi_host_template snirm710_template = { | ||
.name = "SNI RM SCSI 53c710", | ||
.proc_name = "snirm_53c710", | ||
.this_id = 7, | ||
.module = THIS_MODULE, | ||
}; | ||
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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; | ||
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res = platform_get_resource(dev, IORESOURCE_MEM, 0); | ||
if (!res) | ||
return -ENODEV; | ||
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base = res->start; | ||
hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL); | ||
if (!hostdata) { | ||
printk(KERN_ERR "%s: Failed to allocate host data\n", | ||
dev->dev.bus_id); | ||
return -ENOMEM; | ||
} | ||
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hostdata->dev = &dev->dev; | ||
dma_set_mask(&dev->dev, DMA_32BIT_MASK); | ||
hostdata->base = ioremap_nocache(CPHYSADDR(base), 0x100); | ||
hostdata->differential = 0; | ||
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hostdata->clock = SNIRM710_CLOCK; | ||
hostdata->force_le_on_be = 1; | ||
hostdata->chip710 = 1; | ||
hostdata->burst_length = 4; | ||
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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, SA_SHIRQ, "snirm710", host)) { | ||
printk(KERN_ERR "snirm710: request_irq failed!\n"); | ||
goto out_put_host; | ||
} | ||
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dev_set_drvdata(&dev->dev, host); | ||
scsi_scan_host(host); | ||
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return 0; | ||
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out_put_host: | ||
scsi_host_put(host); | ||
out_kfree: | ||
iounmap(hostdata->base); | ||
kfree(hostdata); | ||
return -ENODEV; | ||
} | ||
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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]; | ||
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scsi_remove_host(host); | ||
NCR_700_release(host); | ||
free_irq(host->irq, host); | ||
iounmap(hostdata->base); | ||
kfree(hostdata); | ||
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return 0; | ||
} | ||
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static struct platform_driver snirm710_driver = { | ||
.probe = snirm710_probe, | ||
.remove = __devexit_p(snirm710_driver_remove), | ||
.driver = { | ||
.name = "snirm_53c710", | ||
}, | ||
}; | ||
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static int __init snirm710_init(void) | ||
{ | ||
int err; | ||
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if ((err = platform_driver_register(&snirm710_driver))) { | ||
printk(KERN_ERR "Driver registration failed\n"); | ||
return err; | ||
} | ||
return 0; | ||
} | ||
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static void __exit snirm710_exit(void) | ||
{ | ||
platform_driver_unregister(&snirm710_driver); | ||
} | ||
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module_init(snirm710_init); | ||
module_exit(snirm710_exit); |