[linux-block.git] / drivers / scsi / sni_53c710.c

// 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/pgtable.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) {
		dev_printk(KERN_ERR, dev, "Failed to allocate host data\n");
		return -ENOMEM;
	}

	hostdata->dev = &dev->dev;
	dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
	hostdata->base = ioremap_nocache(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);
Commit	Line	Data
74ba9207	1	// SPDX-License-Identifier: GPL-2.0-or-later
c27d85f3 TB	2	/* -- mode: c; c-basic-offset: 8 -- */
	3
	4	/* SNI RM driver
	5	*
	6	* Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
	7	**-----------------------------------------------------------------------------
	8	**
c27d85f3 TB	9	**
	10	**-----------------------------------------------------------------------------
	11	*/
	12
	13	/*
	14	* Based on lasi700.c
	15	*/
	16
	17	#include <linux/kernel.h>
	18	#include <linux/module.h>
	19	#include <linux/init.h>
	20	#include <linux/types.h>
5a0e3ad6	21	#include <linux/slab.h>
c27d85f3 TB	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
d36b6910	42	MODULE_AUTHOR("Thomas Bogendörfer");
c27d85f3 TB	43	MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver");
c27d85f3 TB	44	MODULE_LICENSE("GPL");
ecc1241e	45	MODULE_ALIAS("platform:snirm_53c710");
c27d85f3 TB	46
	47	#define SNIRM710_CLOCK 32
	48
	49	static 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
6f039790	56	static int snirm710_probe(struct platform_device *dev)
c27d85f3 TB	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) {
71610f55	70	dev_printk(KERN_ERR, dev, "Failed to allocate host data\n");
c27d85f3 TB	71	return -ENOMEM;
	72	}
	73
	74	hostdata->dev = &dev->dev;
284901a9	75	dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
2da86589	76	hostdata->base = ioremap_nocache(base, 0x100);
c27d85f3 TB	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);
2833bf68	90	if(request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "snirm710", host)) {
c27d85f3 TB	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
ba21222d	108	static int snirm710_driver_remove(struct platform_device *dev)
c27d85f3 TB	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
	123	static struct platform_driver snirm710_driver = {
	124	.probe = snirm710_probe,
6f039790	125	.remove = snirm710_driver_remove,
c27d85f3 TB	126	.driver = {
	127	.name = "snirm_53c710",
	128	},
	129	};
	130
	131	static int __init snirm710_init(void)
	132	{
2da86589	133	return platform_driver_register(&snirm710_driver);
c27d85f3 TB	134	}
	135
	136	static void __exit snirm710_exit(void)
	137	{
	138	platform_driver_unregister(&snirm710_driver);
	139	}
	140
	141	module_init(snirm710_init);
	142	module_exit(snirm710_exit);