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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/cs_types.h> |
53 | #include <pcmcia/cs.h> | |
54 | #include <pcmcia/cistpl.h> | |
55 | #include <pcmcia/ds.h> | |
56 | ||
57 | #ifdef PCMCIA_DEBUG | |
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)"; | |
63 | #else | |
64 | #define DEBUG(n, args...) | |
65 | #endif | |
66 | ||
67 | /*====================================================================*/ | |
68 | ||
69 | /* Parameters that can be set with 'insmod' */ | |
70 | ||
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; | |
78 | ||
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); | |
85 | ||
86 | MODULE_LICENSE("Dual MPL/GPL"); | |
87 | ||
88 | /*====================================================================*/ | |
89 | ||
90 | typedef struct scsi_info_t { | |
fd238232 | 91 | struct pcmcia_device *p_dev; |
1da177e4 LT |
92 | dev_node_t node; |
93 | struct Scsi_Host *host; | |
94 | } scsi_info_t; | |
95 | ||
fba395ee | 96 | static void aha152x_release_cs(struct pcmcia_device *link); |
cc3b4866 | 97 | static void aha152x_detach(struct pcmcia_device *p_dev); |
15b99ac1 | 98 | static int aha152x_config_cs(struct pcmcia_device *link); |
1da177e4 | 99 | |
fba395ee | 100 | static struct pcmcia_device *dev_list; |
1da177e4 | 101 | |
15b99ac1 | 102 | static int aha152x_probe(struct pcmcia_device *link) |
1da177e4 LT |
103 | { |
104 | scsi_info_t *info; | |
fba395ee | 105 | |
1da177e4 LT |
106 | DEBUG(0, "aha152x_attach()\n"); |
107 | ||
108 | /* Create new SCSI device */ | |
dd00cc48 | 109 | info = kzalloc(sizeof(*info), GFP_KERNEL); |
f8cfa618 | 110 | if (!info) return -ENOMEM; |
fba395ee | 111 | info->p_dev = link; |
fd238232 | 112 | link->priv = info; |
1da177e4 LT |
113 | |
114 | link->io.NumPorts1 = 0x20; | |
115 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
116 | link->io.IOAddrLines = 10; | |
58607b30 | 117 | link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; |
1da177e4 LT |
118 | link->irq.IRQInfo1 = IRQ_LEVEL_ID; |
119 | link->conf.Attributes = CONF_ENABLE_IRQ; | |
1da177e4 LT |
120 | link->conf.IntType = INT_MEMORY_AND_IO; |
121 | link->conf.Present = PRESENT_OPTION; | |
122 | ||
15b99ac1 | 123 | return aha152x_config_cs(link); |
1da177e4 LT |
124 | } /* aha152x_attach */ |
125 | ||
126 | /*====================================================================*/ | |
127 | ||
fba395ee | 128 | static void aha152x_detach(struct pcmcia_device *link) |
1da177e4 | 129 | { |
1da177e4 | 130 | DEBUG(0, "aha152x_detach(0x%p)\n", link); |
1da177e4 | 131 | |
e2d40963 | 132 | aha152x_release_cs(link); |
1da177e4 | 133 | |
1da177e4 | 134 | /* Unlink device structure, free bits */ |
1da177e4 | 135 | kfree(link->priv); |
1da177e4 LT |
136 | } /* aha152x_detach */ |
137 | ||
138 | /*====================================================================*/ | |
139 | ||
140 | #define CS_CHECK(fn, ret) \ | |
141 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | |
142 | ||
0e6f9d27 | 143 | static int aha152x_config_check(struct pcmcia_device *p_dev, |
8e2fc39d DB |
144 | cistpl_cftable_entry_t *cfg, |
145 | cistpl_cftable_entry_t *dflt, | |
ad913c11 | 146 | unsigned int vcc, |
8e2fc39d | 147 | void *priv_data) |
0e6f9d27 DB |
148 | { |
149 | /* For New Media T&J, look for a SCSI window */ | |
150 | if (cfg->io.win[0].len >= 0x20) | |
151 | p_dev->io.BasePort1 = cfg->io.win[0].base; | |
152 | else if ((cfg->io.nwin > 1) && | |
153 | (cfg->io.win[1].len >= 0x20)) | |
154 | p_dev->io.BasePort1 = cfg->io.win[1].base; | |
155 | if ((cfg->io.nwin > 0) && | |
156 | (p_dev->io.BasePort1 < 0xffff)) { | |
0e6f9d27 DB |
157 | if (!pcmcia_request_io(p_dev, &p_dev->io)) |
158 | return 0; | |
159 | } | |
160 | return -EINVAL; | |
161 | } | |
162 | ||
15b99ac1 | 163 | static int aha152x_config_cs(struct pcmcia_device *link) |
1da177e4 | 164 | { |
1da177e4 LT |
165 | scsi_info_t *info = link->priv; |
166 | struct aha152x_setup s; | |
0e6f9d27 | 167 | int last_ret, last_fn; |
1da177e4 | 168 | struct Scsi_Host *host; |
0e6f9d27 | 169 | |
1da177e4 LT |
170 | DEBUG(0, "aha152x_config(0x%p)\n", link); |
171 | ||
0e6f9d27 DB |
172 | last_ret = pcmcia_loop_config(link, aha152x_config_check, NULL); |
173 | if (last_ret) { | |
174 | cs_error(link, RequestIO, last_ret); | |
175 | goto failed; | |
1da177e4 | 176 | } |
0e6f9d27 | 177 | |
fba395ee DB |
178 | CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); |
179 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); | |
1da177e4 LT |
180 | |
181 | /* Set configuration options for the aha152x driver */ | |
182 | memset(&s, 0, sizeof(s)); | |
183 | s.conf = "PCMCIA setup"; | |
184 | s.io_port = link->io.BasePort1; | |
185 | s.irq = link->irq.AssignedIRQ; | |
186 | s.scsiid = host_id; | |
187 | s.reconnect = reconnect; | |
188 | s.parity = parity; | |
189 | s.synchronous = synchronous; | |
190 | s.delay = reset_delay; | |
191 | if (ext_trans) | |
192 | s.ext_trans = ext_trans; | |
193 | ||
194 | host = aha152x_probe_one(&s); | |
195 | if (host == NULL) { | |
196 | printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); | |
197 | goto cs_failed; | |
198 | } | |
199 | ||
200 | sprintf(info->node.dev_name, "scsi%d", host->host_no); | |
fd238232 | 201 | link->dev_node = &info->node; |
1da177e4 LT |
202 | info->host = host; |
203 | ||
15b99ac1 DB |
204 | return 0; |
205 | ||
1da177e4 | 206 | cs_failed: |
fba395ee | 207 | cs_error(link, last_fn, last_ret); |
0e6f9d27 | 208 | failed: |
1da177e4 | 209 | aha152x_release_cs(link); |
15b99ac1 | 210 | return -ENODEV; |
1da177e4 LT |
211 | } |
212 | ||
fba395ee | 213 | static void aha152x_release_cs(struct pcmcia_device *link) |
1da177e4 LT |
214 | { |
215 | scsi_info_t *info = link->priv; | |
216 | ||
217 | aha152x_release(info->host); | |
fba395ee | 218 | pcmcia_disable_device(link); |
1da177e4 LT |
219 | } |
220 | ||
fba395ee | 221 | static int aha152x_resume(struct pcmcia_device *link) |
98e4c28b | 222 | { |
98e4c28b DB |
223 | scsi_info_t *info = link->priv; |
224 | ||
8661bb5b | 225 | aha152x_host_reset_host(info->host); |
98e4c28b DB |
226 | |
227 | return 0; | |
228 | } | |
229 | ||
2dc27daa DB |
230 | static struct pcmcia_device_id aha152x_ids[] = { |
231 | PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), | |
232 | PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), | |
233 | PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), | |
234 | PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), | |
235 | PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), | |
236 | PCMCIA_DEVICE_NULL, | |
237 | }; | |
238 | MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); | |
239 | ||
1da177e4 LT |
240 | static struct pcmcia_driver aha152x_cs_driver = { |
241 | .owner = THIS_MODULE, | |
242 | .drv = { | |
243 | .name = "aha152x_cs", | |
244 | }, | |
15b99ac1 | 245 | .probe = aha152x_probe, |
cc3b4866 | 246 | .remove = aha152x_detach, |
2dc27daa | 247 | .id_table = aha152x_ids, |
98e4c28b | 248 | .resume = aha152x_resume, |
1da177e4 LT |
249 | }; |
250 | ||
251 | static int __init init_aha152x_cs(void) | |
252 | { | |
253 | return pcmcia_register_driver(&aha152x_cs_driver); | |
254 | } | |
255 | ||
256 | static void __exit exit_aha152x_cs(void) | |
257 | { | |
258 | pcmcia_unregister_driver(&aha152x_cs_driver); | |
259 | BUG_ON(dev_list != NULL); | |
260 | } | |
261 | ||
262 | module_init(init_aha152x_cs); | |
263 | module_exit(exit_aha152x_cs); |