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 static int pc_debug = PCMCIA_DEBUG;
59 module_param(pc_debug, int, 0644);
60 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
61 static char *version =
62 "aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
64 #define DEBUG(n, args...)
67 /*====================================================================*/
69 /* Parameters that can be set with 'insmod' */
71 /* SCSI bus setup options */
72 static int host_id = 7;
73 static int reconnect = 1;
74 static int parity = 1;
75 static int synchronous = 1;
76 static int reset_delay = 100;
77 static int ext_trans = 0;
79 module_param(host_id, int, 0);
80 module_param(reconnect, int, 0);
81 module_param(parity, int, 0);
82 module_param(synchronous, int, 0);
83 module_param(reset_delay, int, 0);
84 module_param(ext_trans, int, 0);
86 MODULE_LICENSE("Dual MPL/GPL");
88 /*====================================================================*/
90 typedef struct scsi_info_t {
91 struct pcmcia_device *p_dev;
93 struct Scsi_Host *host;
96 static void aha152x_release_cs(struct pcmcia_device *link);
97 static void aha152x_detach(struct pcmcia_device *p_dev);
98 static int aha152x_config_cs(struct pcmcia_device *link);
100 static struct pcmcia_device *dev_list;
102 static int aha152x_probe(struct pcmcia_device *link)
106 DEBUG(0, "aha152x_attach()\n");
108 /* Create new SCSI device */
109 info = kzalloc(sizeof(*info), GFP_KERNEL);
110 if (!info) return -ENOMEM;
114 link->io.NumPorts1 = 0x20;
115 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
116 link->io.IOAddrLines = 10;
117 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
118 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
119 link->conf.Attributes = CONF_ENABLE_IRQ;
120 link->conf.IntType = INT_MEMORY_AND_IO;
121 link->conf.Present = PRESENT_OPTION;
123 return aha152x_config_cs(link);
124 } /* aha152x_attach */
126 /*====================================================================*/
128 static void aha152x_detach(struct pcmcia_device *link)
130 DEBUG(0, "aha152x_detach(0x%p)\n", link);
132 aha152x_release_cs(link);
134 /* Unlink device structure, free bits */
136 } /* aha152x_detach */
138 /*====================================================================*/
140 #define CS_CHECK(fn, ret) \
141 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
143 static int aha152x_config_check(struct pcmcia_device *p_dev,
144 cistpl_cftable_entry_t *cfg,
147 /* For New Media T&J, look for a SCSI window */
148 if (cfg->io.win[0].len >= 0x20)
149 p_dev->io.BasePort1 = cfg->io.win[0].base;
150 else if ((cfg->io.nwin > 1) &&
151 (cfg->io.win[1].len >= 0x20))
152 p_dev->io.BasePort1 = cfg->io.win[1].base;
153 if ((cfg->io.nwin > 0) &&
154 (p_dev->io.BasePort1 < 0xffff)) {
155 if (!pcmcia_request_io(p_dev, &p_dev->io))
161 static int aha152x_config_cs(struct pcmcia_device *link)
163 scsi_info_t *info = link->priv;
164 struct aha152x_setup s;
165 int last_ret, last_fn;
166 struct Scsi_Host *host;
168 DEBUG(0, "aha152x_config(0x%p)\n", link);
170 last_ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
172 cs_error(link, RequestIO, last_ret);
176 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
177 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
179 /* Set configuration options for the aha152x driver */
180 memset(&s, 0, sizeof(s));
181 s.conf = "PCMCIA setup";
182 s.io_port = link->io.BasePort1;
183 s.irq = link->irq.AssignedIRQ;
185 s.reconnect = reconnect;
187 s.synchronous = synchronous;
188 s.delay = reset_delay;
190 s.ext_trans = ext_trans;
192 host = aha152x_probe_one(&s);
194 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
198 sprintf(info->node.dev_name, "scsi%d", host->host_no);
199 link->dev_node = &info->node;
205 cs_error(link, last_fn, last_ret);
207 aha152x_release_cs(link);
211 static void aha152x_release_cs(struct pcmcia_device *link)
213 scsi_info_t *info = link->priv;
215 aha152x_release(info->host);
216 pcmcia_disable_device(link);
219 static int aha152x_resume(struct pcmcia_device *link)
221 scsi_info_t *info = link->priv;
223 aha152x_host_reset_host(info->host);
228 static struct pcmcia_device_id aha152x_ids[] = {
229 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
230 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
231 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
232 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
233 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
236 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
238 static struct pcmcia_driver aha152x_cs_driver = {
239 .owner = THIS_MODULE,
241 .name = "aha152x_cs",
243 .probe = aha152x_probe,
244 .remove = aha152x_detach,
245 .id_table = aha152x_ids,
246 .resume = aha152x_resume,
249 static int __init init_aha152x_cs(void)
251 return pcmcia_register_driver(&aha152x_cs_driver);
254 static void __exit exit_aha152x_cs(void)
256 pcmcia_unregister_driver(&aha152x_cs_driver);
257 BUG_ON(dev_list != NULL);
260 module_init(init_aha152x_cs);
261 module_exit(exit_aha152x_cs);