1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
// SPDX-License-Identifier: GPL-2.0-or-later
/* -*- mode: c; c-basic-offset: 8 -*- */
/* SNI RM driver
*
* Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
**-----------------------------------------------------------------------------
**
**
**-----------------------------------------------------------------------------
*/
/*
* Based on lasi700.c
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/slab.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/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 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)
return -ENOMEM;
hostdata->dev = &dev->dev;
dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
hostdata->base = ioremap(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 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 = snirm710_driver_remove,
.driver = {
.name = "snirm_53c710",
},
};
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);
|
