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1da177e4 LT |
1 | /*====================================================================== |
2 | ||
3 | A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards. | |
4 | ||
5 | This driver supports the Adaptec AHA-1460, the New Media Bus | |
6 | Toaster, and the New Media Toast & Jam. | |
7 | ||
8 | aha152x_cs.c 1.54 2000/06/12 21:27:25 | |
9 | ||
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/ | |
14 | ||
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. | |
19 | ||
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. | |
23 | ||
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. | |
34 | ||
35 | ======================================================================*/ | |
36 | ||
37 | #include <linux/module.h> | |
38 | #include <linux/init.h> | |
39 | #include <linux/kernel.h> | |
1da177e4 LT |
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> | |
47 | ||
48 | #include "scsi.h" | |
49 | #include <scsi/scsi_host.h> | |
50 | #include "aha152x.h" | |
51 | ||
1da177e4 LT |
52 | #include <pcmcia/cistpl.h> |
53 | #include <pcmcia/ds.h> | |
54 | ||
1da177e4 LT |
55 | |
56 | /*====================================================================*/ | |
57 | ||
58 | /* Parameters that can be set with 'insmod' */ | |
59 | ||
60 | /* SCSI bus setup options */ | |
61 | static int host_id = 7; | |
62 | static int reconnect = 1; | |
63 | static int parity = 1; | |
64 | static int synchronous = 1; | |
65 | static int reset_delay = 100; | |
66 | static int ext_trans = 0; | |
67 | ||
68 | module_param(host_id, int, 0); | |
69 | module_param(reconnect, int, 0); | |
70 | module_param(parity, int, 0); | |
71 | module_param(synchronous, int, 0); | |
72 | module_param(reset_delay, int, 0); | |
73 | module_param(ext_trans, int, 0); | |
74 | ||
75 | MODULE_LICENSE("Dual MPL/GPL"); | |
76 | ||
77 | /*====================================================================*/ | |
78 | ||
79 | typedef struct scsi_info_t { | |
fd238232 | 80 | struct pcmcia_device *p_dev; |
1da177e4 LT |
81 | struct Scsi_Host *host; |
82 | } scsi_info_t; | |
83 | ||
fba395ee | 84 | static void aha152x_release_cs(struct pcmcia_device *link); |
cc3b4866 | 85 | static void aha152x_detach(struct pcmcia_device *p_dev); |
15b99ac1 | 86 | static int aha152x_config_cs(struct pcmcia_device *link); |
1da177e4 | 87 | |
fba395ee | 88 | static struct pcmcia_device *dev_list; |
1da177e4 | 89 | |
15b99ac1 | 90 | static int aha152x_probe(struct pcmcia_device *link) |
1da177e4 LT |
91 | { |
92 | scsi_info_t *info; | |
fba395ee | 93 | |
3e716617 | 94 | dev_dbg(&link->dev, "aha152x_attach()\n"); |
1da177e4 LT |
95 | |
96 | /* Create new SCSI device */ | |
dd00cc48 | 97 | info = kzalloc(sizeof(*info), GFP_KERNEL); |
f8cfa618 | 98 | if (!info) return -ENOMEM; |
fba395ee | 99 | info->p_dev = link; |
fd238232 | 100 | link->priv = info; |
1da177e4 | 101 | |
90abdc3b DB |
102 | link->resource[0]->end = 0x20; |
103 | link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; | |
1ac71e5a | 104 | link->config_flags |= CONF_ENABLE_IRQ; |
7feabb64 | 105 | link->config_regs = PRESENT_OPTION; |
1da177e4 | 106 | |
15b99ac1 | 107 | return aha152x_config_cs(link); |
1da177e4 LT |
108 | } /* aha152x_attach */ |
109 | ||
110 | /*====================================================================*/ | |
111 | ||
fba395ee | 112 | static void aha152x_detach(struct pcmcia_device *link) |
1da177e4 | 113 | { |
3e716617 | 114 | dev_dbg(&link->dev, "aha152x_detach\n"); |
1da177e4 | 115 | |
e2d40963 | 116 | aha152x_release_cs(link); |
1da177e4 | 117 | |
1da177e4 | 118 | /* Unlink device structure, free bits */ |
1da177e4 | 119 | kfree(link->priv); |
1da177e4 LT |
120 | } /* aha152x_detach */ |
121 | ||
122 | /*====================================================================*/ | |
123 | ||
0e6f9d27 | 124 | static int aha152x_config_check(struct pcmcia_device *p_dev, |
8e2fc39d DB |
125 | cistpl_cftable_entry_t *cfg, |
126 | cistpl_cftable_entry_t *dflt, | |
ad913c11 | 127 | unsigned int vcc, |
8e2fc39d | 128 | void *priv_data) |
0e6f9d27 | 129 | { |
90abdc3b | 130 | p_dev->io_lines = 10; |
0e6f9d27 DB |
131 | /* For New Media T&J, look for a SCSI window */ |
132 | if (cfg->io.win[0].len >= 0x20) | |
90abdc3b | 133 | p_dev->resource[0]->start = cfg->io.win[0].base; |
0e6f9d27 DB |
134 | else if ((cfg->io.nwin > 1) && |
135 | (cfg->io.win[1].len >= 0x20)) | |
90abdc3b | 136 | p_dev->resource[0]->start = cfg->io.win[1].base; |
0e6f9d27 | 137 | if ((cfg->io.nwin > 0) && |
90abdc3b DB |
138 | (p_dev->resource[0]->start < 0xffff)) { |
139 | if (!pcmcia_request_io(p_dev)) | |
0e6f9d27 DB |
140 | return 0; |
141 | } | |
142 | return -EINVAL; | |
143 | } | |
144 | ||
15b99ac1 | 145 | static int aha152x_config_cs(struct pcmcia_device *link) |
1da177e4 | 146 | { |
1da177e4 LT |
147 | scsi_info_t *info = link->priv; |
148 | struct aha152x_setup s; | |
3e716617 | 149 | int ret; |
1da177e4 | 150 | struct Scsi_Host *host; |
0e6f9d27 | 151 | |
3e716617 | 152 | dev_dbg(&link->dev, "aha152x_config\n"); |
1da177e4 | 153 | |
3e716617 DB |
154 | ret = pcmcia_loop_config(link, aha152x_config_check, NULL); |
155 | if (ret) | |
156 | goto failed; | |
0e6f9d27 | 157 | |
eb14120f | 158 | if (!link->irq) |
3e716617 DB |
159 | goto failed; |
160 | ||
1ac71e5a | 161 | ret = pcmcia_enable_device(link); |
3e716617 DB |
162 | if (ret) |
163 | goto failed; | |
1da177e4 LT |
164 | |
165 | /* Set configuration options for the aha152x driver */ | |
166 | memset(&s, 0, sizeof(s)); | |
167 | s.conf = "PCMCIA setup"; | |
9a017a91 | 168 | s.io_port = link->resource[0]->start; |
eb14120f | 169 | s.irq = link->irq; |
1da177e4 LT |
170 | s.scsiid = host_id; |
171 | s.reconnect = reconnect; | |
172 | s.parity = parity; | |
173 | s.synchronous = synchronous; | |
174 | s.delay = reset_delay; | |
175 | if (ext_trans) | |
176 | s.ext_trans = ext_trans; | |
177 | ||
178 | host = aha152x_probe_one(&s); | |
179 | if (host == NULL) { | |
180 | printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); | |
3e716617 | 181 | goto failed; |
1da177e4 LT |
182 | } |
183 | ||
1da177e4 LT |
184 | info->host = host; |
185 | ||
15b99ac1 DB |
186 | return 0; |
187 | ||
0e6f9d27 | 188 | failed: |
1da177e4 | 189 | aha152x_release_cs(link); |
15b99ac1 | 190 | return -ENODEV; |
1da177e4 LT |
191 | } |
192 | ||
fba395ee | 193 | static void aha152x_release_cs(struct pcmcia_device *link) |
1da177e4 LT |
194 | { |
195 | scsi_info_t *info = link->priv; | |
196 | ||
197 | aha152x_release(info->host); | |
fba395ee | 198 | pcmcia_disable_device(link); |
1da177e4 LT |
199 | } |
200 | ||
fba395ee | 201 | static int aha152x_resume(struct pcmcia_device *link) |
98e4c28b | 202 | { |
98e4c28b DB |
203 | scsi_info_t *info = link->priv; |
204 | ||
8661bb5b | 205 | aha152x_host_reset_host(info->host); |
98e4c28b DB |
206 | |
207 | return 0; | |
208 | } | |
209 | ||
2dc27daa DB |
210 | static struct pcmcia_device_id aha152x_ids[] = { |
211 | PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), | |
212 | PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), | |
213 | PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), | |
214 | PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), | |
215 | PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), | |
216 | PCMCIA_DEVICE_NULL, | |
217 | }; | |
218 | MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); | |
219 | ||
1da177e4 LT |
220 | static struct pcmcia_driver aha152x_cs_driver = { |
221 | .owner = THIS_MODULE, | |
222 | .drv = { | |
223 | .name = "aha152x_cs", | |
224 | }, | |
15b99ac1 | 225 | .probe = aha152x_probe, |
cc3b4866 | 226 | .remove = aha152x_detach, |
2dc27daa | 227 | .id_table = aha152x_ids, |
98e4c28b | 228 | .resume = aha152x_resume, |
1da177e4 LT |
229 | }; |
230 | ||
231 | static int __init init_aha152x_cs(void) | |
232 | { | |
233 | return pcmcia_register_driver(&aha152x_cs_driver); | |
234 | } | |
235 | ||
236 | static void __exit exit_aha152x_cs(void) | |
237 | { | |
238 | pcmcia_unregister_driver(&aha152x_cs_driver); | |
239 | BUG_ON(dev_list != NULL); | |
240 | } | |
241 | ||
242 | module_init(init_aha152x_cs); | |
243 | module_exit(exit_aha152x_cs); |