2 * Detection routine for the NCR53c710 based BVME6000 SCSI Controllers for Linux.
4 * Based on work by Alan Hourihane and Kars de Jong
6 * Rewritten to use 53c700.c by Richard Hirst <richard@sleepie.demon.co.uk>
9 #include <linux/module.h>
10 #include <linux/blkdev.h>
11 #include <linux/device.h>
12 #include <linux/platform_device.h>
13 #include <linux/init.h>
14 #include <linux/interrupt.h>
15 #include <linux/slab.h>
16 #include <asm/bvme6000hw.h>
17 #include <scsi/scsi_host.h>
18 #include <scsi/scsi_device.h>
19 #include <scsi/scsi_transport.h>
20 #include <scsi/scsi_transport_spi.h>
24 MODULE_AUTHOR("Richard Hirst <richard@sleepie.demon.co.uk>");
25 MODULE_DESCRIPTION("BVME6000 NCR53C710 driver");
26 MODULE_LICENSE("GPL");
28 static struct scsi_host_template bvme6000_scsi_driver_template = {
29 .name = "BVME6000 NCR53c710 SCSI",
30 .proc_name = "BVME6000",
32 .module = THIS_MODULE,
35 static struct platform_device *bvme6000_scsi_device;
38 bvme6000_probe(struct platform_device *dev)
40 struct Scsi_Host *host;
41 struct NCR_700_Host_Parameters *hostdata;
43 if (!MACH_IS_BVME6000)
46 hostdata = kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
48 printk(KERN_ERR "bvme6000-scsi: "
49 "Failed to allocate host data\n");
53 /* Fill in the required pieces of hostdata */
54 hostdata->base = (void __iomem *)BVME_NCR53C710_BASE;
55 hostdata->clock = 40; /* XXX - depends on the CPU clock! */
56 hostdata->chip710 = 1;
57 hostdata->dmode_extra = DMODE_FC2;
58 hostdata->dcntl_extra = EA_710;
59 hostdata->ctest7_extra = CTEST7_TT1;
61 /* and register the chip */
62 host = NCR_700_detect(&bvme6000_scsi_driver_template, hostdata,
65 printk(KERN_ERR "bvme6000-scsi: No host detected; "
66 "board configuration problem?\n");
69 host->base = BVME_NCR53C710_BASE;
71 host->irq = BVME_IRQ_SCSI;
72 if (request_irq(BVME_IRQ_SCSI, NCR_700_intr, 0, "bvme6000-scsi",
74 printk(KERN_ERR "bvme6000-scsi: request_irq failed\n");
78 platform_set_drvdata(dev, host);
92 bvme6000_device_remove(struct platform_device *dev)
94 struct Scsi_Host *host = platform_get_drvdata(dev);
95 struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
97 scsi_remove_host(host);
98 NCR_700_release(host);
100 free_irq(host->irq, host);
105 static struct platform_driver bvme6000_scsi_driver = {
107 .name = "bvme6000-scsi",
109 .probe = bvme6000_probe,
110 .remove = bvme6000_device_remove,
113 static int __init bvme6000_scsi_init(void)
117 err = platform_driver_register(&bvme6000_scsi_driver);
121 bvme6000_scsi_device = platform_device_register_simple("bvme6000-scsi",
123 if (IS_ERR(bvme6000_scsi_device)) {
124 platform_driver_unregister(&bvme6000_scsi_driver);
125 return PTR_ERR(bvme6000_scsi_device);
131 static void __exit bvme6000_scsi_exit(void)
133 platform_device_unregister(bvme6000_scsi_device);
134 platform_driver_unregister(&bvme6000_scsi_driver);
137 module_init(bvme6000_scsi_init);
138 module_exit(bvme6000_scsi_exit);