Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /*====================================================================== |
| 2 | |
| 3 | A driver for Future Domain-compatible PCMCIA SCSI cards |
| 4 | |
| 5 | fdomain_cs.c 1.47 2001/10/13 00:08:52 |
| 6 | |
| 7 | The contents of this file are subject to the Mozilla Public |
| 8 | License Version 1.1 (the "License"); you may not use this file |
| 9 | except in compliance with the License. You may obtain a copy of |
| 10 | the License at http://www.mozilla.org/MPL/ |
| 11 | |
| 12 | Software distributed under the License is distributed on an "AS |
| 13 | IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
| 14 | implied. See the License for the specific language governing |
| 15 | rights and limitations under the License. |
| 16 | |
| 17 | The initial developer of the original code is David A. Hinds |
| 18 | <dahinds@users.sourceforge.net>. Portions created by David A. Hinds |
| 19 | are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
| 20 | |
| 21 | Alternatively, the contents of this file may be used under the |
| 22 | terms of the GNU General Public License version 2 (the "GPL"), in |
| 23 | which case the provisions of the GPL are applicable instead of the |
| 24 | above. If you wish to allow the use of your version of this file |
| 25 | only under the terms of the GPL and not to allow others to use |
| 26 | your version of this file under the MPL, indicate your decision |
| 27 | by deleting the provisions above and replace them with the notice |
| 28 | and other provisions required by the GPL. If you do not delete |
| 29 | the provisions above, a recipient may use your version of this |
| 30 | file under either the MPL or the GPL. |
| 31 | |
| 32 | ======================================================================*/ |
| 33 | |
| 34 | #include <linux/module.h> |
| 35 | #include <linux/init.h> |
| 36 | #include <linux/kernel.h> |
| 37 | #include <linux/sched.h> |
| 38 | #include <linux/slab.h> |
| 39 | #include <linux/string.h> |
| 40 | #include <linux/ioport.h> |
| 41 | #include <scsi/scsi.h> |
| 42 | #include <linux/major.h> |
| 43 | #include <linux/blkdev.h> |
| 44 | #include <scsi/scsi_ioctl.h> |
| 45 | |
| 46 | #include "scsi.h" |
| 47 | #include <scsi/scsi_host.h> |
| 48 | #include "fdomain.h" |
| 49 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | #include <pcmcia/cs_types.h> |
| 51 | #include <pcmcia/cs.h> |
| 52 | #include <pcmcia/cistpl.h> |
| 53 | #include <pcmcia/ds.h> |
| 54 | |
| 55 | /*====================================================================*/ |
| 56 | |
| 57 | /* Module parameters */ |
| 58 | |
| 59 | MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); |
| 60 | MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver"); |
| 61 | MODULE_LICENSE("Dual MPL/GPL"); |
| 62 | |
| 63 | #ifdef PCMCIA_DEBUG |
| 64 | static int pc_debug = PCMCIA_DEBUG; |
| 65 | module_param(pc_debug, int, 0); |
| 66 | #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) |
| 67 | static char *version = |
| 68 | "fdomain_cs.c 1.47 2001/10/13 00:08:52 (David Hinds)"; |
| 69 | #else |
| 70 | #define DEBUG(n, args...) |
| 71 | #endif |
| 72 | |
| 73 | /*====================================================================*/ |
| 74 | |
| 75 | typedef struct scsi_info_t { |
| 76 | dev_link_t link; |
| 77 | dev_node_t node; |
| 78 | struct Scsi_Host *host; |
| 79 | } scsi_info_t; |
| 80 | |
| 81 | |
| 82 | static void fdomain_release(dev_link_t *link); |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 83 | static void fdomain_detach(struct pcmcia_device *p_dev); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 84 | static void fdomain_config(dev_link_t *link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 86 | static int fdomain_attach(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | { |
| 88 | scsi_info_t *info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | dev_link_t *link; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 90 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | DEBUG(0, "fdomain_attach()\n"); |
| 92 | |
| 93 | /* Create new SCSI device */ |
| 94 | info = kmalloc(sizeof(*info), GFP_KERNEL); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 95 | if (!info) return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | memset(info, 0, sizeof(*info)); |
| 97 | link = &info->link; link->priv = info; |
| 98 | link->io.NumPorts1 = 0x10; |
| 99 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| 100 | link->io.IOAddrLines = 10; |
| 101 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; |
| 102 | link->irq.IRQInfo1 = IRQ_LEVEL_ID; |
| 103 | link->conf.Attributes = CONF_ENABLE_IRQ; |
| 104 | link->conf.Vcc = 50; |
| 105 | link->conf.IntType = INT_MEMORY_AND_IO; |
| 106 | link->conf.Present = PRESENT_OPTION; |
| 107 | |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 108 | link->handle = p_dev; |
| 109 | p_dev->instance = link; |
| 110 | |
| 111 | link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; |
| 112 | fdomain_config(link); |
| 113 | |
| 114 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | } /* fdomain_attach */ |
| 116 | |
| 117 | /*====================================================================*/ |
| 118 | |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 119 | static void fdomain_detach(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | { |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 121 | dev_link_t *link = dev_to_instance(p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 123 | DEBUG(0, "fdomain_detach(0x%p)\n", link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 125 | if (link->state & DEV_CONFIG) |
| 126 | fdomain_release(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 128 | kfree(link->priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | } /* fdomain_detach */ |
| 130 | |
| 131 | /*====================================================================*/ |
| 132 | |
| 133 | #define CS_CHECK(fn, ret) \ |
| 134 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) |
| 135 | |
| 136 | static void fdomain_config(dev_link_t *link) |
| 137 | { |
| 138 | client_handle_t handle = link->handle; |
| 139 | scsi_info_t *info = link->priv; |
| 140 | tuple_t tuple; |
| 141 | cisparse_t parse; |
| 142 | int i, last_ret, last_fn; |
| 143 | u_char tuple_data[64]; |
| 144 | char str[16]; |
| 145 | struct Scsi_Host *host; |
| 146 | |
| 147 | DEBUG(0, "fdomain_config(0x%p)\n", link); |
| 148 | |
| 149 | tuple.DesiredTuple = CISTPL_CONFIG; |
| 150 | tuple.TupleData = tuple_data; |
| 151 | tuple.TupleDataMax = 64; |
| 152 | tuple.TupleOffset = 0; |
| 153 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); |
| 154 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); |
| 155 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); |
| 156 | link->conf.ConfigBase = parse.config.base; |
| 157 | |
| 158 | /* Configure card */ |
| 159 | link->state |= DEV_CONFIG; |
| 160 | |
| 161 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
| 162 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); |
| 163 | while (1) { |
| 164 | if (pcmcia_get_tuple_data(handle, &tuple) != 0 || |
| 165 | pcmcia_parse_tuple(handle, &tuple, &parse) != 0) |
| 166 | goto next_entry; |
| 167 | link->conf.ConfigIndex = parse.cftable_entry.index; |
| 168 | link->io.BasePort1 = parse.cftable_entry.io.win[0].base; |
| 169 | i = pcmcia_request_io(handle, &link->io); |
| 170 | if (i == CS_SUCCESS) break; |
| 171 | next_entry: |
| 172 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); |
| 173 | } |
| 174 | |
| 175 | CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq)); |
| 176 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); |
| 177 | |
| 178 | /* A bad hack... */ |
| 179 | release_region(link->io.BasePort1, link->io.NumPorts1); |
| 180 | |
| 181 | /* Set configuration options for the fdomain driver */ |
| 182 | sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ); |
| 183 | fdomain_setup(str); |
| 184 | |
| 185 | host = __fdomain_16x0_detect(&fdomain_driver_template); |
| 186 | if (!host) { |
| 187 | printk(KERN_INFO "fdomain_cs: no SCSI devices found\n"); |
| 188 | goto cs_failed; |
| 189 | } |
| 190 | |
| 191 | scsi_add_host(host, NULL); /* XXX handle failure */ |
| 192 | scsi_scan_host(host); |
| 193 | |
| 194 | sprintf(info->node.dev_name, "scsi%d", host->host_no); |
| 195 | link->dev = &info->node; |
| 196 | info->host = host; |
| 197 | |
| 198 | link->state &= ~DEV_CONFIG_PENDING; |
| 199 | return; |
| 200 | |
| 201 | cs_failed: |
| 202 | cs_error(link->handle, last_fn, last_ret); |
| 203 | fdomain_release(link); |
| 204 | return; |
| 205 | |
| 206 | } /* fdomain_config */ |
| 207 | |
| 208 | /*====================================================================*/ |
| 209 | |
| 210 | static void fdomain_release(dev_link_t *link) |
| 211 | { |
| 212 | scsi_info_t *info = link->priv; |
| 213 | |
| 214 | DEBUG(0, "fdomain_release(0x%p)\n", link); |
| 215 | |
| 216 | scsi_remove_host(info->host); |
| 217 | link->dev = NULL; |
| 218 | |
| 219 | pcmcia_release_configuration(link->handle); |
| 220 | pcmcia_release_io(link->handle, &link->io); |
| 221 | pcmcia_release_irq(link->handle, &link->irq); |
| 222 | |
| 223 | scsi_unregister(info->host); |
| 224 | |
| 225 | link->state &= ~DEV_CONFIG; |
| 226 | } |
| 227 | |
| 228 | /*====================================================================*/ |
| 229 | |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 230 | static int fdomain_suspend(struct pcmcia_device *dev) |
| 231 | { |
| 232 | dev_link_t *link = dev_to_instance(dev); |
| 233 | |
| 234 | link->state |= DEV_SUSPEND; |
| 235 | if (link->state & DEV_CONFIG) |
| 236 | pcmcia_release_configuration(link->handle); |
| 237 | |
| 238 | return 0; |
| 239 | } |
| 240 | |
| 241 | static int fdomain_resume(struct pcmcia_device *dev) |
| 242 | { |
| 243 | dev_link_t *link = dev_to_instance(dev); |
| 244 | |
| 245 | link->state &= ~DEV_SUSPEND; |
| 246 | if (link->state & DEV_CONFIG) { |
| 247 | pcmcia_request_configuration(link->handle, &link->conf); |
| 248 | fdomain_16x0_bus_reset(NULL); |
| 249 | } |
| 250 | |
| 251 | return 0; |
| 252 | } |
| 253 | |
Dominik Brodowski | 2d1fb37 | 2005-06-27 16:28:21 -0700 | [diff] [blame] | 254 | static struct pcmcia_device_id fdomain_ids[] = { |
| 255 | PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20), |
| 256 | PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e), |
| 257 | PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f), |
| 258 | PCMCIA_DEVICE_NULL, |
| 259 | }; |
| 260 | MODULE_DEVICE_TABLE(pcmcia, fdomain_ids); |
| 261 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | static struct pcmcia_driver fdomain_cs_driver = { |
| 263 | .owner = THIS_MODULE, |
| 264 | .drv = { |
| 265 | .name = "fdomain_cs", |
| 266 | }, |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 267 | .probe = fdomain_attach, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 268 | .remove = fdomain_detach, |
Dominik Brodowski | 2d1fb37 | 2005-06-27 16:28:21 -0700 | [diff] [blame] | 269 | .id_table = fdomain_ids, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 270 | .suspend = fdomain_suspend, |
| 271 | .resume = fdomain_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | }; |
| 273 | |
| 274 | static int __init init_fdomain_cs(void) |
| 275 | { |
| 276 | return pcmcia_register_driver(&fdomain_cs_driver); |
| 277 | } |
| 278 | |
| 279 | static void __exit exit_fdomain_cs(void) |
| 280 | { |
| 281 | pcmcia_unregister_driver(&fdomain_cs_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | } |
| 283 | |
| 284 | module_init(init_fdomain_cs); |
| 285 | module_exit(exit_fdomain_cs); |