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> |
40 | #include <linux/slab.h> |
41 | #include <linux/string.h> |
42 | #include <linux/ioport.h> |
43 | #include <linux/major.h> |
44 | #include <linux/blkdev.h> |
45 | |
46 | #include <scsi/scsi.h> |
47 | #include <scsi/scsi_cmnd.h> |
48 | #include <scsi/scsi_device.h> |
49 | #include <scsi/scsi_eh.h> |
50 | #include <scsi/scsi_host.h> |
51 | #include <scsi/scsi_ioctl.h> |
52 | #include <scsi/scsi_tcq.h> |
53 | #include "aha152x.h" |
54 | |
55 | #include <pcmcia/cistpl.h> |
56 | #include <pcmcia/ds.h> |
57 | |
58 | |
59 | /*====================================================================*/ |
60 | |
61 | /* Parameters that can be set with 'insmod' */ |
62 | |
63 | /* SCSI bus setup options */ |
64 | static int host_id = 7; |
65 | static int reconnect = 1; |
66 | static int parity = 1; |
67 | static int synchronous = 1; |
68 | static int reset_delay = 100; |
69 | static int ext_trans = 0; |
70 | |
71 | module_param(host_id, int, 0); |
72 | module_param(reconnect, int, 0); |
73 | module_param(parity, int, 0); |
74 | module_param(synchronous, int, 0); |
75 | module_param(reset_delay, int, 0); |
76 | module_param(ext_trans, int, 0); |
77 | |
78 | MODULE_LICENSE("Dual MPL/GPL" ); |
79 | |
80 | /*====================================================================*/ |
81 | |
82 | typedef struct scsi_info_t { |
83 | struct pcmcia_device *p_dev; |
84 | struct Scsi_Host *host; |
85 | } scsi_info_t; |
86 | |
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); |
90 | |
91 | static int aha152x_probe(struct pcmcia_device *link) |
92 | { |
93 | scsi_info_t *info; |
94 | |
95 | dev_dbg(&link->dev, "aha152x_attach()\n" ); |
96 | |
97 | /* Create new SCSI device */ |
98 | info = kzalloc(size: sizeof(*info), GFP_KERNEL); |
99 | if (!info) return -ENOMEM; |
100 | info->p_dev = link; |
101 | link->priv = info; |
102 | |
103 | link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; |
104 | link->config_regs = PRESENT_OPTION; |
105 | |
106 | return aha152x_config_cs(link); |
107 | } /* aha152x_attach */ |
108 | |
109 | /*====================================================================*/ |
110 | |
111 | static void aha152x_detach(struct pcmcia_device *link) |
112 | { |
113 | dev_dbg(&link->dev, "aha152x_detach\n" ); |
114 | |
115 | aha152x_release_cs(link); |
116 | |
117 | /* Unlink device structure, free bits */ |
118 | kfree(objp: link->priv); |
119 | } /* aha152x_detach */ |
120 | |
121 | /*====================================================================*/ |
122 | |
123 | static int aha152x_config_check(struct pcmcia_device *p_dev, void *priv_data) |
124 | { |
125 | p_dev->io_lines = 10; |
126 | |
127 | /* For New Media T&J, look for a SCSI window */ |
128 | if ((p_dev->resource[0]->end < 0x20) && |
129 | (p_dev->resource[1]->end >= 0x20)) |
130 | p_dev->resource[0]->start = p_dev->resource[1]->start; |
131 | |
132 | if (p_dev->resource[0]->start >= 0xffff) |
133 | return -EINVAL; |
134 | |
135 | p_dev->resource[1]->start = p_dev->resource[1]->end = 0; |
136 | p_dev->resource[0]->end = 0x20; |
137 | p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; |
138 | p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; |
139 | |
140 | return pcmcia_request_io(p_dev); |
141 | } |
142 | |
143 | static int aha152x_config_cs(struct pcmcia_device *link) |
144 | { |
145 | scsi_info_t *info = link->priv; |
146 | struct aha152x_setup s; |
147 | int ret; |
148 | struct Scsi_Host *host; |
149 | |
150 | dev_dbg(&link->dev, "aha152x_config\n" ); |
151 | |
152 | ret = pcmcia_loop_config(p_dev: link, conf_check: aha152x_config_check, NULL); |
153 | if (ret) |
154 | goto failed; |
155 | |
156 | if (!link->irq) |
157 | goto failed; |
158 | |
159 | ret = pcmcia_enable_device(p_dev: link); |
160 | if (ret) |
161 | goto failed; |
162 | |
163 | /* Set configuration options for the aha152x driver */ |
164 | memset(&s, 0, sizeof(s)); |
165 | s.conf = "PCMCIA setup" ; |
166 | s.io_port = link->resource[0]->start; |
167 | s.irq = link->irq; |
168 | s.scsiid = host_id; |
169 | s.reconnect = reconnect; |
170 | s.parity = parity; |
171 | s.synchronous = synchronous; |
172 | s.delay = reset_delay; |
173 | if (ext_trans) |
174 | s.ext_trans = ext_trans; |
175 | |
176 | host = aha152x_probe_one(&s); |
177 | if (host == NULL) { |
178 | printk(KERN_INFO "aha152x_cs: no SCSI devices found\n" ); |
179 | goto failed; |
180 | } |
181 | |
182 | info->host = host; |
183 | |
184 | return 0; |
185 | |
186 | failed: |
187 | aha152x_release_cs(link); |
188 | return -ENODEV; |
189 | } |
190 | |
191 | static void aha152x_release_cs(struct pcmcia_device *link) |
192 | { |
193 | scsi_info_t *info = link->priv; |
194 | |
195 | aha152x_release(info->host); |
196 | pcmcia_disable_device(p_dev: link); |
197 | } |
198 | |
199 | static int aha152x_resume(struct pcmcia_device *link) |
200 | { |
201 | scsi_info_t *info = link->priv; |
202 | |
203 | aha152x_host_reset_host(info->host); |
204 | |
205 | return 0; |
206 | } |
207 | |
208 | static const struct pcmcia_device_id aha152x_ids[] = { |
209 | PCMCIA_DEVICE_PROD_ID123("New Media" , "SCSI" , "Bus Toaster" , 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), |
210 | PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY" , "SCSI" , "Bus Toaster" , 0xad89c6e8, 0x35f26476, 0xa8851d6e), |
211 | PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc." , "APA-1460 SCSI Host Adapter" , 0x24ba9738, 0x3a3c3d20), |
212 | PCMCIA_DEVICE_PROD_ID12("New Media Corporation" , "Multimedia Sound/SCSI" , 0x085a850b, 0x80a6535c), |
213 | PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY" , "NWCOMB02 SCSI/AUDIO COMBO CARD" , 0xad89c6e8, 0x5f9a615b), |
214 | PCMCIA_DEVICE_NULL, |
215 | }; |
216 | MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); |
217 | |
218 | static struct pcmcia_driver aha152x_cs_driver = { |
219 | .owner = THIS_MODULE, |
220 | .name = "aha152x_cs" , |
221 | .probe = aha152x_probe, |
222 | .remove = aha152x_detach, |
223 | .id_table = aha152x_ids, |
224 | .resume = aha152x_resume, |
225 | }; |
226 | module_pcmcia_driver(aha152x_cs_driver); |
227 | |