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1/* -*- mode: c; c-basic-offset: 8 -*- */
2
3/* SNI RM driver
4 *
5 * Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
6**-----------------------------------------------------------------------------
7**
8** This program is free software; you can redistribute it and/or modify
9** it under the terms of the GNU General Public License as published by
10** the Free Software Foundation; either version 2 of the License, or
11** (at your option) any later version.
12**
13** This program is distributed in the hope that it will be useful,
14** but WITHOUT ANY WARRANTY; without even the implied warranty of
15** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16** GNU General Public License for more details.
17**
18** You should have received a copy of the GNU General Public License
19** along with this program; if not, write to the Free Software
20** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21**
22**-----------------------------------------------------------------------------
23 */
24
25/*
26 * Based on lasi700.c
27 */
28
29#include <linux/kernel.h>
30#include <linux/module.h>
31#include <linux/init.h>
32#include <linux/types.h>
33#include <linux/slab.h>
34#include <linux/stat.h>
35#include <linux/mm.h>
36#include <linux/blkdev.h>
37#include <linux/sched.h>
38#include <linux/ioport.h>
39#include <linux/dma-mapping.h>
40#include <linux/platform_device.h>
41
42#include <asm/page.h>
43#include <asm/pgtable.h>
44#include <asm/irq.h>
45#include <asm/delay.h>
46
47#include <scsi/scsi_host.h>
48#include <scsi/scsi_device.h>
49#include <scsi/scsi_transport.h>
50#include <scsi/scsi_transport_spi.h>
51
52#include "53c700.h"
53
54MODULE_AUTHOR("Thomas Bogendörfer");
55MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver");
56MODULE_LICENSE("GPL");
57MODULE_ALIAS("platform:snirm_53c710");
58
59#define SNIRM710_CLOCK 32
60
61static struct scsi_host_template snirm710_template = {
62 .name = "SNI RM SCSI 53c710",
63 .proc_name = "snirm_53c710",
64 .this_id = 7,
65 .module = THIS_MODULE,
66};
67
68static int snirm710_probe(struct platform_device *dev)
69{
70 unsigned long base;
71 struct NCR_700_Host_Parameters *hostdata;
72 struct Scsi_Host *host;
73 struct resource *res;
74
75 res = platform_get_resource(dev, IORESOURCE_MEM, 0);
76 if (!res)
77 return -ENODEV;
78
79 base = res->start;
80 hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
81 if (!hostdata) {
82 dev_printk(KERN_ERR, dev, "Failed to allocate host data\n");
83 return -ENOMEM;
84 }
85
86 hostdata->dev = &dev->dev;
87 dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
88 hostdata->base = ioremap_nocache(base, 0x100);
89 hostdata->differential = 0;
90
91 hostdata->clock = SNIRM710_CLOCK;
92 hostdata->force_le_on_be = 1;
93 hostdata->chip710 = 1;
94 hostdata->burst_length = 4;
95
96 host = NCR_700_detect(&snirm710_template, hostdata, &dev->dev);
97 if (!host)
98 goto out_kfree;
99 host->this_id = 7;
100 host->base = base;
101 host->irq = platform_get_irq(dev, 0);
102 if(request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "snirm710", host)) {
103 printk(KERN_ERR "snirm710: request_irq failed!\n");
104 goto out_put_host;
105 }
106
107 dev_set_drvdata(&dev->dev, host);
108 scsi_scan_host(host);
109
110 return 0;
111
112 out_put_host:
113 scsi_host_put(host);
114 out_kfree:
115 iounmap(hostdata->base);
116 kfree(hostdata);
117 return -ENODEV;
118}
119
120static int snirm710_driver_remove(struct platform_device *dev)
121{
122 struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
123 struct NCR_700_Host_Parameters *hostdata =
124 (struct NCR_700_Host_Parameters *)host->hostdata[0];
125
126 scsi_remove_host(host);
127 NCR_700_release(host);
128 free_irq(host->irq, host);
129 iounmap(hostdata->base);
130 kfree(hostdata);
131
132 return 0;
133}
134
135static struct platform_driver snirm710_driver = {
136 .probe = snirm710_probe,
137 .remove = snirm710_driver_remove,
138 .driver = {
139 .name = "snirm_53c710",
140 },
141};
142
143static int __init snirm710_init(void)
144{
145 return platform_driver_register(&snirm710_driver);
146}
147
148static void __exit snirm710_exit(void)
149{
150 platform_driver_unregister(&snirm710_driver);
151}
152
153module_init(snirm710_init);
154module_exit(snirm710_exit);
155

Warning: That file was not part of the compilation database. It may have many parsing errors.