1 /*======================================================================
3 A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards.
5 This driver supports the Adaptec AHA-1460, the New Media Bus
6 Toaster, and the New Media Toast & Jam.
8 aha152x_cs.c 1.54 2000/06/12 21:27:25
10 The contents of this file are subject to the Mozilla Public
11 License Version 1.1 (the "License"); you may not use this file
12 except in compliance with the License. You may obtain a copy of
13 the License at http://www.mozilla.org/MPL/
15 Software distributed under the License is distributed on an "AS
16 IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
17 implied. See the License for the specific language governing
18 rights and limitations under the License.
20 The initial developer of the original code is David A. Hinds
21 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
22 are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
24 Alternatively, the contents of this file may be used under the
25 terms of the GNU General Public License version 2 (the "GPL"), in which
26 case the provisions of the GPL are applicable instead of the
27 above. If you wish to allow the use of your version of this file
28 only under the terms of the GPL and not to allow others to use
29 your version of this file under the MPL, indicate your decision
30 by deleting the provisions above and replace them with the notice
31 and other provisions required by the GPL. If you do not delete
32 the provisions above, a recipient may use your version of this
33 file under either the MPL or the GPL.
35 ======================================================================*/
37 #include <linux/module.h>
38 #include <linux/init.h>
39 #include <linux/kernel.h>
40 #include <linux/slab.h>
41 #include <linux/string.h>
42 #include <linux/ioport.h>
43 #include <scsi/scsi.h>
44 #include <linux/major.h>
45 #include <linux/blkdev.h>
46 #include <scsi/scsi_ioctl.h>
49 #include <scsi/scsi_host.h>
52 #include <pcmcia/cs_types.h>
53 #include <pcmcia/cs.h>
54 #include <pcmcia/cistpl.h>
55 #include <pcmcia/ds.h>
58 /*====================================================================*/
60 /* Parameters that can be set with 'insmod' */
62 /* SCSI bus setup options */
63 static int host_id = 7;
64 static int reconnect = 1;
65 static int parity = 1;
66 static int synchronous = 1;
67 static int reset_delay = 100;
68 static int ext_trans = 0;
70 module_param(host_id, int, 0);
71 module_param(reconnect, int, 0);
72 module_param(parity, int, 0);
73 module_param(synchronous, int, 0);
74 module_param(reset_delay, int, 0);
75 module_param(ext_trans, int, 0);
77 MODULE_LICENSE("Dual MPL/GPL");
79 /*====================================================================*/
81 typedef struct scsi_info_t {
82 struct pcmcia_device *p_dev;
84 struct Scsi_Host *host;
87 static void aha152x_release_cs(struct pcmcia_device *link);
88 static void aha152x_detach(struct pcmcia_device *p_dev);
89 static int aha152x_config_cs(struct pcmcia_device *link);
91 static struct pcmcia_device *dev_list;
93 static int aha152x_probe(struct pcmcia_device *link)
97 dev_dbg(&link->dev, "aha152x_attach()\n");
99 /* Create new SCSI device */
100 info = kzalloc(sizeof(*info), GFP_KERNEL);
101 if (!info) return -ENOMEM;
105 link->io.NumPorts1 = 0x20;
106 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
107 link->io.IOAddrLines = 10;
108 link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
109 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
110 link->conf.Attributes = CONF_ENABLE_IRQ;
111 link->conf.IntType = INT_MEMORY_AND_IO;
112 link->conf.Present = PRESENT_OPTION;
114 return aha152x_config_cs(link);
115 } /* aha152x_attach */
117 /*====================================================================*/
119 static void aha152x_detach(struct pcmcia_device *link)
121 dev_dbg(&link->dev, "aha152x_detach\n");
123 aha152x_release_cs(link);
125 /* Unlink device structure, free bits */
127 } /* aha152x_detach */
129 /*====================================================================*/
131 static int aha152x_config_check(struct pcmcia_device *p_dev,
132 cistpl_cftable_entry_t *cfg,
133 cistpl_cftable_entry_t *dflt,
137 /* For New Media T&J, look for a SCSI window */
138 if (cfg->io.win[0].len >= 0x20)
139 p_dev->io.BasePort1 = cfg->io.win[0].base;
140 else if ((cfg->io.nwin > 1) &&
141 (cfg->io.win[1].len >= 0x20))
142 p_dev->io.BasePort1 = cfg->io.win[1].base;
143 if ((cfg->io.nwin > 0) &&
144 (p_dev->io.BasePort1 < 0xffff)) {
145 if (!pcmcia_request_io(p_dev, &p_dev->io))
151 static int aha152x_config_cs(struct pcmcia_device *link)
153 scsi_info_t *info = link->priv;
154 struct aha152x_setup s;
156 struct Scsi_Host *host;
158 dev_dbg(&link->dev, "aha152x_config\n");
160 ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
164 ret = pcmcia_request_irq(link, &link->irq);
168 ret = pcmcia_request_configuration(link, &link->conf);
172 /* Set configuration options for the aha152x driver */
173 memset(&s, 0, sizeof(s));
174 s.conf = "PCMCIA setup";
175 s.io_port = link->io.BasePort1;
176 s.irq = link->irq.AssignedIRQ;
178 s.reconnect = reconnect;
180 s.synchronous = synchronous;
181 s.delay = reset_delay;
183 s.ext_trans = ext_trans;
185 host = aha152x_probe_one(&s);
187 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
191 sprintf(info->node.dev_name, "scsi%d", host->host_no);
192 link->dev_node = &info->node;
198 aha152x_release_cs(link);
202 static void aha152x_release_cs(struct pcmcia_device *link)
204 scsi_info_t *info = link->priv;
206 aha152x_release(info->host);
207 pcmcia_disable_device(link);
210 static int aha152x_resume(struct pcmcia_device *link)
212 scsi_info_t *info = link->priv;
214 aha152x_host_reset_host(info->host);
219 static struct pcmcia_device_id aha152x_ids[] = {
220 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
221 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
222 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
223 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
224 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
227 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
229 static struct pcmcia_driver aha152x_cs_driver = {
230 .owner = THIS_MODULE,
232 .name = "aha152x_cs",
234 .probe = aha152x_probe,
235 .remove = aha152x_detach,
236 .id_table = aha152x_ids,
237 .resume = aha152x_resume,
240 static int __init init_aha152x_cs(void)
242 return pcmcia_register_driver(&aha152x_cs_driver);
245 static void __exit exit_aha152x_cs(void)
247 pcmcia_unregister_driver(&aha152x_cs_driver);
248 BUG_ON(dev_list != NULL);
251 module_init(init_aha152x_cs);
252 module_exit(exit_aha152x_cs);