Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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/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> |
| 48 | |
| 49 | #include "scsi.h" |
| 50 | #include <scsi/scsi_host.h> |
| 51 | #include "aha152x.h" |
| 52 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | #include <pcmcia/cs_types.h> |
| 54 | #include <pcmcia/cs.h> |
| 55 | #include <pcmcia/cistpl.h> |
| 56 | #include <pcmcia/ds.h> |
| 57 | |
| 58 | #ifdef PCMCIA_DEBUG |
| 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)"; |
| 64 | #else |
| 65 | #define DEBUG(n, args...) |
| 66 | #endif |
| 67 | |
| 68 | /*====================================================================*/ |
| 69 | |
| 70 | /* Parameters that can be set with 'insmod' */ |
| 71 | |
| 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; |
| 79 | |
| 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); |
| 86 | |
| 87 | MODULE_LICENSE("Dual MPL/GPL"); |
| 88 | |
| 89 | /*====================================================================*/ |
| 90 | |
| 91 | typedef struct scsi_info_t { |
| 92 | dev_link_t link; |
| 93 | dev_node_t node; |
| 94 | struct Scsi_Host *host; |
| 95 | } scsi_info_t; |
| 96 | |
| 97 | static void aha152x_release_cs(dev_link_t *link); |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 98 | static void aha152x_detach(struct pcmcia_device *p_dev); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 99 | static void aha152x_config_cs(dev_link_t *link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | |
| 101 | static dev_link_t *dev_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 103 | static int aha152x_attach(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | { |
| 105 | scsi_info_t *info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | dev_link_t *link; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | |
| 108 | DEBUG(0, "aha152x_attach()\n"); |
| 109 | |
| 110 | /* Create new SCSI device */ |
| 111 | info = kmalloc(sizeof(*info), GFP_KERNEL); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 112 | if (!info) return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | memset(info, 0, sizeof(*info)); |
| 114 | link = &info->link; link->priv = info; |
| 115 | |
| 116 | link->io.NumPorts1 = 0x20; |
| 117 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| 118 | link->io.IOAddrLines = 10; |
| 119 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; |
| 120 | link->irq.IRQInfo1 = IRQ_LEVEL_ID; |
| 121 | link->conf.Attributes = CONF_ENABLE_IRQ; |
| 122 | link->conf.Vcc = 50; |
| 123 | link->conf.IntType = INT_MEMORY_AND_IO; |
| 124 | link->conf.Present = PRESENT_OPTION; |
| 125 | |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 126 | link->handle = p_dev; |
| 127 | p_dev->instance = link; |
| 128 | |
| 129 | link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; |
| 130 | aha152x_config_cs(link); |
| 131 | |
| 132 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | } /* aha152x_attach */ |
| 134 | |
| 135 | /*====================================================================*/ |
| 136 | |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 137 | static void aha152x_detach(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | { |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 139 | dev_link_t *link = dev_to_instance(p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | dev_link_t **linkp; |
| 141 | |
| 142 | DEBUG(0, "aha152x_detach(0x%p)\n", link); |
| 143 | |
| 144 | /* Locate device structure */ |
| 145 | for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) |
| 146 | if (*linkp == link) break; |
| 147 | if (*linkp == NULL) |
| 148 | return; |
| 149 | |
| 150 | if (link->state & DEV_CONFIG) |
| 151 | aha152x_release_cs(link); |
| 152 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | /* Unlink device structure, free bits */ |
| 154 | *linkp = link->next; |
| 155 | kfree(link->priv); |
| 156 | |
| 157 | } /* aha152x_detach */ |
| 158 | |
| 159 | /*====================================================================*/ |
| 160 | |
| 161 | #define CS_CHECK(fn, ret) \ |
| 162 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) |
| 163 | |
| 164 | static void aha152x_config_cs(dev_link_t *link) |
| 165 | { |
| 166 | client_handle_t handle = link->handle; |
| 167 | scsi_info_t *info = link->priv; |
| 168 | struct aha152x_setup s; |
| 169 | tuple_t tuple; |
| 170 | cisparse_t parse; |
| 171 | int i, last_ret, last_fn; |
| 172 | u_char tuple_data[64]; |
| 173 | struct Scsi_Host *host; |
| 174 | |
| 175 | DEBUG(0, "aha152x_config(0x%p)\n", link); |
| 176 | |
| 177 | tuple.DesiredTuple = CISTPL_CONFIG; |
| 178 | tuple.TupleData = tuple_data; |
| 179 | tuple.TupleDataMax = 64; |
| 180 | tuple.TupleOffset = 0; |
| 181 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); |
| 182 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); |
| 183 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); |
| 184 | link->conf.ConfigBase = parse.config.base; |
| 185 | |
| 186 | /* Configure card */ |
| 187 | link->state |= DEV_CONFIG; |
| 188 | |
| 189 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
| 190 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); |
| 191 | while (1) { |
| 192 | if (pcmcia_get_tuple_data(handle, &tuple) != 0 || |
| 193 | pcmcia_parse_tuple(handle, &tuple, &parse) != 0) |
| 194 | goto next_entry; |
| 195 | /* For New Media T&J, look for a SCSI window */ |
| 196 | if (parse.cftable_entry.io.win[0].len >= 0x20) |
| 197 | link->io.BasePort1 = parse.cftable_entry.io.win[0].base; |
| 198 | else if ((parse.cftable_entry.io.nwin > 1) && |
| 199 | (parse.cftable_entry.io.win[1].len >= 0x20)) |
| 200 | link->io.BasePort1 = parse.cftable_entry.io.win[1].base; |
| 201 | if ((parse.cftable_entry.io.nwin > 0) && |
| 202 | (link->io.BasePort1 < 0xffff)) { |
| 203 | link->conf.ConfigIndex = parse.cftable_entry.index; |
| 204 | i = pcmcia_request_io(handle, &link->io); |
| 205 | if (i == CS_SUCCESS) break; |
| 206 | } |
| 207 | next_entry: |
| 208 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); |
| 209 | } |
| 210 | |
| 211 | CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq)); |
| 212 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); |
| 213 | |
| 214 | /* Set configuration options for the aha152x driver */ |
| 215 | memset(&s, 0, sizeof(s)); |
| 216 | s.conf = "PCMCIA setup"; |
| 217 | s.io_port = link->io.BasePort1; |
| 218 | s.irq = link->irq.AssignedIRQ; |
| 219 | s.scsiid = host_id; |
| 220 | s.reconnect = reconnect; |
| 221 | s.parity = parity; |
| 222 | s.synchronous = synchronous; |
| 223 | s.delay = reset_delay; |
| 224 | if (ext_trans) |
| 225 | s.ext_trans = ext_trans; |
| 226 | |
| 227 | host = aha152x_probe_one(&s); |
| 228 | if (host == NULL) { |
| 229 | printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); |
| 230 | goto cs_failed; |
| 231 | } |
| 232 | |
| 233 | sprintf(info->node.dev_name, "scsi%d", host->host_no); |
| 234 | link->dev = &info->node; |
| 235 | info->host = host; |
| 236 | |
| 237 | link->state &= ~DEV_CONFIG_PENDING; |
| 238 | return; |
| 239 | |
| 240 | cs_failed: |
| 241 | cs_error(link->handle, last_fn, last_ret); |
| 242 | aha152x_release_cs(link); |
| 243 | return; |
| 244 | } |
| 245 | |
| 246 | static void aha152x_release_cs(dev_link_t *link) |
| 247 | { |
| 248 | scsi_info_t *info = link->priv; |
| 249 | |
| 250 | aha152x_release(info->host); |
| 251 | link->dev = NULL; |
| 252 | |
| 253 | pcmcia_release_configuration(link->handle); |
| 254 | pcmcia_release_io(link->handle, &link->io); |
| 255 | pcmcia_release_irq(link->handle, &link->irq); |
| 256 | |
| 257 | link->state &= ~DEV_CONFIG; |
| 258 | } |
| 259 | |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 260 | static int aha152x_suspend(struct pcmcia_device *dev) |
| 261 | { |
| 262 | dev_link_t *link = dev_to_instance(dev); |
| 263 | |
| 264 | link->state |= DEV_SUSPEND; |
| 265 | if (link->state & DEV_CONFIG) |
| 266 | pcmcia_release_configuration(link->handle); |
| 267 | |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | static int aha152x_resume(struct pcmcia_device *dev) |
| 272 | { |
| 273 | dev_link_t *link = dev_to_instance(dev); |
| 274 | scsi_info_t *info = link->priv; |
| 275 | |
| 276 | link->state &= ~DEV_SUSPEND; |
| 277 | if (link->state & DEV_CONFIG) { |
| 278 | Scsi_Cmnd tmp; |
| 279 | pcmcia_request_configuration(link->handle, &link->conf); |
| 280 | tmp.device->host = info->host; |
| 281 | aha152x_host_reset(&tmp); |
| 282 | } |
| 283 | |
| 284 | return 0; |
| 285 | } |
| 286 | |
Dominik Brodowski | 2dc27da | 2005-06-27 16:28:19 -0700 | [diff] [blame] | 287 | static struct pcmcia_device_id aha152x_ids[] = { |
| 288 | PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), |
| 289 | PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), |
| 290 | PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), |
| 291 | PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), |
| 292 | PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), |
| 293 | PCMCIA_DEVICE_NULL, |
| 294 | }; |
| 295 | MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); |
| 296 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | static struct pcmcia_driver aha152x_cs_driver = { |
| 298 | .owner = THIS_MODULE, |
| 299 | .drv = { |
| 300 | .name = "aha152x_cs", |
| 301 | }, |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 302 | .probe = aha152x_attach, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 303 | .remove = aha152x_detach, |
Dominik Brodowski | 2dc27da | 2005-06-27 16:28:19 -0700 | [diff] [blame] | 304 | .id_table = aha152x_ids, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 305 | .suspend = aha152x_suspend, |
| 306 | .resume = aha152x_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | }; |
| 308 | |
| 309 | static int __init init_aha152x_cs(void) |
| 310 | { |
| 311 | return pcmcia_register_driver(&aha152x_cs_driver); |
| 312 | } |
| 313 | |
| 314 | static void __exit exit_aha152x_cs(void) |
| 315 | { |
| 316 | pcmcia_unregister_driver(&aha152x_cs_driver); |
| 317 | BUG_ON(dev_list != NULL); |
| 318 | } |
| 319 | |
| 320 | module_init(init_aha152x_cs); |
| 321 | module_exit(exit_aha152x_cs); |
| 322 | |