1// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1)
2/*
3 * Driver for Future Domain-compatible PCMCIA SCSI cards
4 * Copyright 2019 Ondrej Zary
5 *
6 * The initial developer of the original code is David A. Hinds
7 * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
8 * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
9 */
10
11#include <linux/module.h>
12#include <linux/init.h>
13#include <scsi/scsi_host.h>
14#include <pcmcia/cistpl.h>
15#include <pcmcia/ds.h>
16#include "fdomain.h"
17
18MODULE_AUTHOR("Ondrej Zary, David Hinds");
19MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver");
20MODULE_LICENSE("Dual MPL/GPL");
21
22static int fdomain_config_check(struct pcmcia_device *p_dev, void *priv_data)
23{
24	p_dev->io_lines = 10;
25	p_dev->resource[0]->end = FDOMAIN_REGION_SIZE;
26	p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
27	p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
28	return pcmcia_request_io(p_dev);
29}
30
31static int fdomain_probe(struct pcmcia_device *link)
32{
33	int ret;
34	struct Scsi_Host *sh;
35
36	link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
37	link->config_regs = PRESENT_OPTION;
38
39	ret = pcmcia_loop_config(link, fdomain_config_check, NULL);
40	if (ret)
41		return ret;
42
43	ret = pcmcia_enable_device(link);
44	if (ret)
45		goto fail_disable;
46
47	if (!request_region(link->resource[0]->start, FDOMAIN_REGION_SIZE,
48			    "fdomain_cs")) {
49		ret = -EBUSY;
50		goto fail_disable;
51	}
52
53	sh = fdomain_create(link->resource[0]->start, link->irq, 7, &link->dev);
54	if (!sh) {
55		dev_err(&link->dev, "Controller initialization failed");
56		ret = -ENODEV;
57		goto fail_release;
58	}
59
60	link->priv = sh;
61
62	return 0;
63
64fail_release:
65	release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE);
66fail_disable:
67	pcmcia_disable_device(link);
68	return ret;
69}
70
71static void fdomain_remove(struct pcmcia_device *link)
72{
73	fdomain_destroy(link->priv);
74	release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE);
75	pcmcia_disable_device(link);
76}
77
78static const struct pcmcia_device_id fdomain_ids[] = {
79	PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88,
80				0x859cad20),
81	PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
82	PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation",
83				"SCSI PCMCIA Credit Card Controller",
84				0x182bdafe, 0xc80d106f),
85	PCMCIA_DEVICE_NULL,
86};
87MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
88
89static struct pcmcia_driver fdomain_cs_driver = {
90	.owner		= THIS_MODULE,
91	.name		= "fdomain_cs",
92	.probe		= fdomain_probe,
93	.remove		= fdomain_remove,
94	.id_table       = fdomain_ids,
95};
96
97module_pcmcia_driver(fdomain_cs_driver);
98