blob: 3e088125a8be6a339757dc1380f1c73418952bfc [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 dmx3191d.c - driver for the Domex DMX3191D SCSI card.
3 Copyright (C) 2000 by Massimo Piccioni <dafastidio@libero.it>
4 Portions Copyright (C) 2004 by Christoph Hellwig <hch@lst.de>
5
6 Based on the generic NCR5380 driver by Drew Eckhardt et al.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21*/
22
23#include <linux/init.h>
24#include <linux/ioport.h>
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/pci.h>
28#include <linux/interrupt.h>
29#include <asm/io.h>
30
31#include <scsi/scsi_host.h>
32
33/*
Adam Buchbinder6070d812009-12-04 15:47:01 -050034 * Definitions for the generic 5380 driver.
Linus Torvalds1da177e2005-04-16 15:20:36 -070035 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070036
Finn Thainfd9cd672014-11-12 16:12:03 +110037#define DONT_USE_INTR
38
Linus Torvalds1da177e2005-04-16 15:20:36 -070039#define NCR5380_read(reg) inb(port + reg)
40#define NCR5380_write(reg, value) outb(value, port + reg)
41
Finn Thainacfc8ca2014-11-12 16:11:48 +110042#define NCR5380_implementation_fields /* none */
43#define NCR5380_local_declare() unsigned int port
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#define NCR5380_setup(instance) port = instance->io_port
45
46/*
47 * Includes needed for NCR5380.[ch] (XXX: Move them to NCR5380.h)
48 */
49#include <linux/delay.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
51#include "NCR5380.h"
52#include "NCR5380.c"
53
54#define DMX3191D_DRIVER_NAME "dmx3191d"
55#define DMX3191D_REGION_LEN 8
56
57
58static struct scsi_host_template dmx3191d_driver_template = {
59 .proc_name = DMX3191D_DRIVER_NAME,
60 .name = "Domex DMX3191D",
Finn Thain8c325132014-11-12 16:11:58 +110061 .info = NCR5380_info,
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 .queuecommand = NCR5380_queue_command,
63 .eh_abort_handler = NCR5380_abort,
64 .eh_bus_reset_handler = NCR5380_bus_reset,
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 .can_queue = 32,
66 .this_id = 7,
67 .sg_tablesize = SG_ALL,
68 .cmd_per_lun = 2,
69 .use_clustering = DISABLE_CLUSTERING,
70};
71
Greg Kroah-Hartman6f039792012-12-21 13:08:55 -080072static int dmx3191d_probe_one(struct pci_dev *pdev,
73 const struct pci_device_id *id)
Linus Torvalds1da177e2005-04-16 15:20:36 -070074{
75 struct Scsi_Host *shost;
76 unsigned long io;
77 int error = -ENODEV;
78
79 if (pci_enable_device(pdev))
80 goto out;
81
82 io = pci_resource_start(pdev, 0);
83 if (!request_region(io, DMX3191D_REGION_LEN, DMX3191D_DRIVER_NAME)) {
84 printk(KERN_ERR "dmx3191: region 0x%lx-0x%lx already reserved\n",
85 io, io + DMX3191D_REGION_LEN);
86 goto out_disable_device;
87 }
88
89 shost = scsi_host_alloc(&dmx3191d_driver_template,
90 sizeof(struct NCR5380_hostdata));
91 if (!shost)
92 goto out_release_region;
93 shost->io_port = io;
Finn Thainfd9cd672014-11-12 16:12:03 +110094
95 /* This card does not seem to raise an interrupt on pdev->irq.
96 * Steam-powered SCSI controllers run without an IRQ anyway.
97 */
98 shost->irq = NO_IRQ;
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
100 NCR5380_init(shost, FLAG_NO_PSEUDO_DMA | FLAG_DTC3181E);
101
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102 pci_set_drvdata(pdev, shost);
103
104 error = scsi_add_host(shost, &pdev->dev);
105 if (error)
Finn Thainfd9cd672014-11-12 16:12:03 +1100106 goto out_release_region;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107
108 scsi_scan_host(shost);
109 return 0;
110
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 out_release_region:
Adrian Bunkc3c026b2006-03-10 23:24:21 +0100112 release_region(io, DMX3191D_REGION_LEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 out_disable_device:
114 pci_disable_device(pdev);
115 out:
116 return error;
117}
118
Greg Kroah-Hartman6f039792012-12-21 13:08:55 -0800119static void dmx3191d_remove_one(struct pci_dev *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120{
121 struct Scsi_Host *shost = pci_get_drvdata(pdev);
122
123 scsi_remove_host(shost);
124
125 NCR5380_exit(shost);
126
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127 release_region(shost->io_port, DMX3191D_REGION_LEN);
128 pci_disable_device(pdev);
129
130 scsi_host_put(shost);
131}
132
133static struct pci_device_id dmx3191d_pci_tbl[] = {
134 {PCI_VENDOR_ID_DOMEX, PCI_DEVICE_ID_DOMEX_DMX3191D,
135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
136 { }
137};
138MODULE_DEVICE_TABLE(pci, dmx3191d_pci_tbl);
139
140static struct pci_driver dmx3191d_pci_driver = {
141 .name = DMX3191D_DRIVER_NAME,
142 .id_table = dmx3191d_pci_tbl,
143 .probe = dmx3191d_probe_one,
Greg Kroah-Hartman6f039792012-12-21 13:08:55 -0800144 .remove = dmx3191d_remove_one,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145};
146
147static int __init dmx3191d_init(void)
148{
Henrik Kretzschmardcbccbde2006-09-25 16:58:58 -0700149 return pci_register_driver(&dmx3191d_pci_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150}
151
152static void __exit dmx3191d_exit(void)
153{
154 pci_unregister_driver(&dmx3191d_pci_driver);
155}
156
157module_init(dmx3191d_init);
158module_exit(dmx3191d_exit);
159
160MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
161MODULE_DESCRIPTION("Domex DMX3191D SCSI driver");
162MODULE_LICENSE("GPL");