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/sched.h>
41 #include <linux/slab.h>
42 #include <linux/string.h>
43 #include <linux/ioport.h>
44 #include <scsi/scsi.h>
45 #include <linux/major.h>
46 #include <linux/blkdev.h>
47 #include <scsi/scsi_ioctl.h>
50 #include <scsi/scsi_host.h>
53 #include <pcmcia/cs_types.h>
54 #include <pcmcia/cs.h>
55 #include <pcmcia/cistpl.h>
56 #include <pcmcia/ds.h>
59 static int pc_debug = PCMCIA_DEBUG;
60 module_param(pc_debug, int, 0644);
61 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
62 static char *version =
63 "aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
65 #define DEBUG(n, args...)
68 /*====================================================================*/
70 /* Parameters that can be set with 'insmod' */
72 /* SCSI bus setup options */
73 static int host_id = 7;
74 static int reconnect = 1;
75 static int parity = 1;
76 static int synchronous = 1;
77 static int reset_delay = 100;
78 static int ext_trans = 0;
80 module_param(host_id, int, 0);
81 module_param(reconnect, int, 0);
82 module_param(parity, int, 0);
83 module_param(synchronous, int, 0);
84 module_param(reset_delay, int, 0);
85 module_param(ext_trans, int, 0);
87 MODULE_LICENSE("Dual MPL/GPL");
89 /*====================================================================*/
91 typedef struct scsi_info_t {
92 struct pcmcia_device *p_dev;
94 struct Scsi_Host *host;
97 static void aha152x_release_cs(dev_link_t *link);
98 static void aha152x_detach(struct pcmcia_device *p_dev);
99 static void aha152x_config_cs(dev_link_t *link);
101 static dev_link_t *dev_list;
103 static int aha152x_attach(struct pcmcia_device *p_dev)
106 dev_link_t *link = dev_to_instance(p_dev);
108 DEBUG(0, "aha152x_attach()\n");
110 /* Create new SCSI device */
111 info = kmalloc(sizeof(*info), GFP_KERNEL);
112 if (!info) return -ENOMEM;
113 memset(info, 0, sizeof(*info));
117 link->io.NumPorts1 = 0x20;
118 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
119 link->io.IOAddrLines = 10;
120 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
121 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
122 link->conf.Attributes = CONF_ENABLE_IRQ;
123 link->conf.IntType = INT_MEMORY_AND_IO;
124 link->conf.Present = PRESENT_OPTION;
126 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
127 aha152x_config_cs(link);
130 } /* aha152x_attach */
132 /*====================================================================*/
134 static void aha152x_detach(struct pcmcia_device *p_dev)
136 dev_link_t *link = dev_to_instance(p_dev);
138 DEBUG(0, "aha152x_detach(0x%p)\n", link);
140 if (link->state & DEV_CONFIG)
141 aha152x_release_cs(link);
143 /* Unlink device structure, free bits */
145 } /* aha152x_detach */
147 /*====================================================================*/
149 #define CS_CHECK(fn, ret) \
150 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
152 static void aha152x_config_cs(dev_link_t *link)
154 client_handle_t handle = link->handle;
155 scsi_info_t *info = link->priv;
156 struct aha152x_setup s;
159 int i, last_ret, last_fn;
160 u_char tuple_data[64];
161 struct Scsi_Host *host;
163 DEBUG(0, "aha152x_config(0x%p)\n", link);
165 tuple.DesiredTuple = CISTPL_CONFIG;
166 tuple.TupleData = tuple_data;
167 tuple.TupleDataMax = 64;
168 tuple.TupleOffset = 0;
169 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
170 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
171 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
172 link->conf.ConfigBase = parse.config.base;
175 link->state |= DEV_CONFIG;
177 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
178 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
180 if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
181 pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
183 /* For New Media T&J, look for a SCSI window */
184 if (parse.cftable_entry.io.win[0].len >= 0x20)
185 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
186 else if ((parse.cftable_entry.io.nwin > 1) &&
187 (parse.cftable_entry.io.win[1].len >= 0x20))
188 link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
189 if ((parse.cftable_entry.io.nwin > 0) &&
190 (link->io.BasePort1 < 0xffff)) {
191 link->conf.ConfigIndex = parse.cftable_entry.index;
192 i = pcmcia_request_io(handle, &link->io);
193 if (i == CS_SUCCESS) break;
196 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
199 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
200 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
202 /* Set configuration options for the aha152x driver */
203 memset(&s, 0, sizeof(s));
204 s.conf = "PCMCIA setup";
205 s.io_port = link->io.BasePort1;
206 s.irq = link->irq.AssignedIRQ;
208 s.reconnect = reconnect;
210 s.synchronous = synchronous;
211 s.delay = reset_delay;
213 s.ext_trans = ext_trans;
215 host = aha152x_probe_one(&s);
217 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
221 sprintf(info->node.dev_name, "scsi%d", host->host_no);
222 link->dev_node = &info->node;
225 link->state &= ~DEV_CONFIG_PENDING;
229 cs_error(link->handle, last_fn, last_ret);
230 aha152x_release_cs(link);
234 static void aha152x_release_cs(dev_link_t *link)
236 scsi_info_t *info = link->priv;
238 aha152x_release(info->host);
239 pcmcia_disable_device(link->handle);
242 static int aha152x_resume(struct pcmcia_device *dev)
244 dev_link_t *link = dev_to_instance(dev);
245 scsi_info_t *info = link->priv;
247 aha152x_host_reset_host(info->host);
252 static struct pcmcia_device_id aha152x_ids[] = {
253 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
254 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
255 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
256 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
257 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
260 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
262 static struct pcmcia_driver aha152x_cs_driver = {
263 .owner = THIS_MODULE,
265 .name = "aha152x_cs",
267 .probe = aha152x_attach,
268 .remove = aha152x_detach,
269 .id_table = aha152x_ids,
270 .resume = aha152x_resume,
273 static int __init init_aha152x_cs(void)
275 return pcmcia_register_driver(&aha152x_cs_driver);
278 static void __exit exit_aha152x_cs(void)
280 pcmcia_unregister_driver(&aha152x_cs_driver);
281 BUG_ON(dev_list != NULL);
284 module_init(init_aha152x_cs);
285 module_exit(exit_aha152x_cs);