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 p_dev->conf.ConfigIndex = cfg->index;
156 if (!pcmcia_request_io(p_dev, &p_dev->io))
162 static int aha152x_config_cs(struct pcmcia_device *link)
164 scsi_info_t *info = link->priv;
165 struct aha152x_setup s;
166 int last_ret, last_fn;
167 struct Scsi_Host *host;
169 DEBUG(0, "aha152x_config(0x%p)\n", link);
171 last_ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
173 cs_error(link, RequestIO, last_ret);
177 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
178 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
180 /* Set configuration options for the aha152x driver */
181 memset(&s, 0, sizeof(s));
182 s.conf = "PCMCIA setup";
183 s.io_port = link->io.BasePort1;
184 s.irq = link->irq.AssignedIRQ;
186 s.reconnect = reconnect;
188 s.synchronous = synchronous;
189 s.delay = reset_delay;
191 s.ext_trans = ext_trans;
193 host = aha152x_probe_one(&s);
195 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
199 sprintf(info->node.dev_name, "scsi%d", host->host_no);
200 link->dev_node = &info->node;
206 cs_error(link, last_fn, last_ret);
208 aha152x_release_cs(link);
212 static void aha152x_release_cs(struct pcmcia_device *link)
214 scsi_info_t *info = link->priv;
216 aha152x_release(info->host);
217 pcmcia_disable_device(link);
220 static int aha152x_resume(struct pcmcia_device *link)
222 scsi_info_t *info = link->priv;
224 aha152x_host_reset_host(info->host);
229 static struct pcmcia_device_id aha152x_ids[] = {
230 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
231 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
232 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
233 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
234 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
237 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
239 static struct pcmcia_driver aha152x_cs_driver = {
240 .owner = THIS_MODULE,
242 .name = "aha152x_cs",
244 .probe = aha152x_probe,
245 .remove = aha152x_detach,
246 .id_table = aha152x_ids,
247 .resume = aha152x_resume,
250 static int __init init_aha152x_cs(void)
252 return pcmcia_register_driver(&aha152x_cs_driver);
255 static void __exit exit_aha152x_cs(void)
257 pcmcia_unregister_driver(&aha152x_cs_driver);
258 BUG_ON(dev_list != NULL);
261 module_init(init_aha152x_cs);
262 module_exit(exit_aha152x_cs);