1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* -*- mode: c; c-basic-offset: 8 -*- */
6 * Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
7 **-----------------------------------------------------------------------------
10 **-----------------------------------------------------------------------------
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>
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>
32 #include <asm/delay.h>
34 #include <scsi/scsi_host.h>
35 #include <scsi/scsi_device.h>
36 #include <scsi/scsi_transport.h>
37 #include <scsi/scsi_transport_spi.h>
41 MODULE_AUTHOR("Thomas Bogendörfer");
42 MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver");
43 MODULE_LICENSE("GPL");
44 MODULE_ALIAS("platform:snirm_53c710");
46 #define SNIRM710_CLOCK 32
48 static struct scsi_host_template snirm710_template = {
49 .name = "SNI RM SCSI 53c710",
50 .proc_name = "snirm_53c710",
52 .module = THIS_MODULE,
55 static int snirm710_probe(struct platform_device *dev)
58 struct NCR_700_Host_Parameters *hostdata;
59 struct Scsi_Host *host;
63 res = platform_get_resource(dev, IORESOURCE_MEM, 0);
68 hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
72 hostdata->dev = &dev->dev;
73 dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
74 hostdata->base = ioremap(base, 0x100);
75 hostdata->differential = 0;
77 hostdata->clock = SNIRM710_CLOCK;
78 hostdata->force_le_on_be = 1;
79 hostdata->chip710 = 1;
80 hostdata->burst_length = 4;
82 host = NCR_700_detect(&snirm710_template, hostdata, &dev->dev);
87 host->irq = rc = 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");
95 dev_set_drvdata(&dev->dev, host);
103 iounmap(hostdata->base);
108 static int snirm710_driver_remove(struct platform_device *dev)
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];
114 scsi_remove_host(host);
115 NCR_700_release(host);
116 free_irq(host->irq, host);
117 iounmap(hostdata->base);
123 static struct platform_driver snirm710_driver = {
124 .probe = snirm710_probe,
125 .remove = snirm710_driver_remove,
127 .name = "snirm_53c710",
130 module_platform_driver(snirm710_driver);