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17#include <linux/kernel.h>
18#include <linux/module.h>
19#include <linux/init.h>
20#include <linux/types.h>
21#include <linux/slab.h>
22#include <linux/stat.h>
23#include <linux/mm.h>
24#include <linux/blkdev.h>
25#include <linux/sched.h>
26#include <linux/ioport.h>
27#include <linux/dma-mapping.h>
28#include <linux/platform_device.h>
29
30#include <asm/page.h>
31#include <asm/pgtable.h>
32#include <asm/irq.h>
33#include <asm/delay.h>
34
35#include <scsi/scsi_host.h>
36#include <scsi/scsi_device.h>
37#include <scsi/scsi_transport.h>
38#include <scsi/scsi_transport_spi.h>
39
40#include "53c700.h"
41
42MODULE_AUTHOR("Thomas Bogendörfer");
43MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver");
44MODULE_LICENSE("GPL");
45MODULE_ALIAS("platform:snirm_53c710");
46
47#define SNIRM710_CLOCK 32
48
49static struct scsi_host_template snirm710_template = {
50 .name = "SNI RM SCSI 53c710",
51 .proc_name = "snirm_53c710",
52 .this_id = 7,
53 .module = THIS_MODULE,
54};
55
56static int snirm710_probe(struct platform_device *dev)
57{
58 unsigned long base;
59 struct NCR_700_Host_Parameters *hostdata;
60 struct Scsi_Host *host;
61 struct resource *res;
62
63 res = platform_get_resource(dev, IORESOURCE_MEM, 0);
64 if (!res)
65 return -ENODEV;
66
67 base = res->start;
68 hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
69 if (!hostdata) {
70 dev_printk(KERN_ERR, dev, "Failed to allocate host data\n");
71 return -ENOMEM;
72 }
73
74 hostdata->dev = &dev->dev;
75 dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
76 hostdata->base = ioremap_nocache(base, 0x100);
77 hostdata->differential = 0;
78
79 hostdata->clock = SNIRM710_CLOCK;
80 hostdata->force_le_on_be = 1;
81 hostdata->chip710 = 1;
82 hostdata->burst_length = 4;
83
84 host = NCR_700_detect(&snirm710_template, hostdata, &dev->dev);
85 if (!host)
86 goto out_kfree;
87 host->this_id = 7;
88 host->base = base;
89 host->irq = platform_get_irq(dev, 0);
90 if(request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "snirm710", host)) {
91 printk(KERN_ERR "snirm710: request_irq failed!\n");
92 goto out_put_host;
93 }
94
95 dev_set_drvdata(&dev->dev, host);
96 scsi_scan_host(host);
97
98 return 0;
99
100 out_put_host:
101 scsi_host_put(host);
102 out_kfree:
103 iounmap(hostdata->base);
104 kfree(hostdata);
105 return -ENODEV;
106}
107
108static int snirm710_driver_remove(struct platform_device *dev)
109{
110 struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
111 struct NCR_700_Host_Parameters *hostdata =
112 (struct NCR_700_Host_Parameters *)host->hostdata[0];
113
114 scsi_remove_host(host);
115 NCR_700_release(host);
116 free_irq(host->irq, host);
117 iounmap(hostdata->base);
118 kfree(hostdata);
119
120 return 0;
121}
122
123static struct platform_driver snirm710_driver = {
124 .probe = snirm710_probe,
125 .remove = snirm710_driver_remove,
126 .driver = {
127 .name = "snirm_53c710",
128 },
129};
130
131static int __init snirm710_init(void)
132{
133 return platform_driver_register(&snirm710_driver);
134}
135
136static void __exit snirm710_exit(void)
137{
138 platform_driver_unregister(&snirm710_driver);
139}
140
141module_init(snirm710_init);
142module_exit(snirm710_exit);
143
