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> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | #include <linux/slab.h> |
| 38 | #include <linux/string.h> |
| 39 | #include <linux/ioport.h> |
| 40 | #include <scsi/scsi.h> |
| 41 | #include <linux/major.h> |
| 42 | #include <linux/blkdev.h> |
| 43 | #include <scsi/scsi_ioctl.h> |
| 44 | |
| 45 | #include "scsi.h" |
| 46 | #include <scsi/scsi_host.h> |
| 47 | #include "fdomain.h" |
| 48 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | #include <pcmcia/cs_types.h> |
| 50 | #include <pcmcia/cs.h> |
| 51 | #include <pcmcia/cistpl.h> |
| 52 | #include <pcmcia/ds.h> |
| 53 | |
| 54 | /*====================================================================*/ |
| 55 | |
| 56 | /* Module parameters */ |
| 57 | |
| 58 | MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); |
| 59 | MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver"); |
| 60 | MODULE_LICENSE("Dual MPL/GPL"); |
| 61 | |
| 62 | #ifdef PCMCIA_DEBUG |
| 63 | static int pc_debug = PCMCIA_DEBUG; |
| 64 | module_param(pc_debug, int, 0); |
| 65 | #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) |
| 66 | static char *version = |
| 67 | "fdomain_cs.c 1.47 2001/10/13 00:08:52 (David Hinds)"; |
| 68 | #else |
| 69 | #define DEBUG(n, args...) |
| 70 | #endif |
| 71 | |
| 72 | /*====================================================================*/ |
| 73 | |
| 74 | typedef struct scsi_info_t { |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 75 | struct pcmcia_device *p_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | dev_node_t node; |
| 77 | struct Scsi_Host *host; |
| 78 | } scsi_info_t; |
| 79 | |
| 80 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 81 | static void fdomain_release(struct pcmcia_device *link); |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 82 | static void fdomain_detach(struct pcmcia_device *p_dev); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 83 | static int fdomain_config(struct pcmcia_device *link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 85 | static int fdomain_probe(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | { |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 87 | scsi_info_t *info; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 88 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 89 | DEBUG(0, "fdomain_attach()\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 91 | /* Create new SCSI device */ |
| 92 | info = kzalloc(sizeof(*info), GFP_KERNEL); |
| 93 | if (!info) |
| 94 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 96 | info->p_dev = link; |
| 97 | 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.IntType = INT_MEMORY_AND_IO; |
| 105 | link->conf.Present = PRESENT_OPTION; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 106 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 107 | return fdomain_config(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | } /* fdomain_attach */ |
| 109 | |
| 110 | /*====================================================================*/ |
| 111 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 112 | static void fdomain_detach(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | { |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 114 | DEBUG(0, "fdomain_detach(0x%p)\n", link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 116 | fdomain_release(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 118 | kfree(link->priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | } /* fdomain_detach */ |
| 120 | |
| 121 | /*====================================================================*/ |
| 122 | |
| 123 | #define CS_CHECK(fn, ret) \ |
| 124 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) |
| 125 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 126 | static int fdomain_config(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | scsi_info_t *info = link->priv; |
| 129 | tuple_t tuple; |
| 130 | cisparse_t parse; |
| 131 | int i, last_ret, last_fn; |
| 132 | u_char tuple_data[64]; |
Olof Johansson | ecb8a84 | 2008-02-04 22:27:34 -0800 | [diff] [blame] | 133 | char str[22]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | struct Scsi_Host *host; |
| 135 | |
| 136 | DEBUG(0, "fdomain_config(0x%p)\n", link); |
| 137 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | tuple.TupleData = tuple_data; |
| 139 | tuple.TupleDataMax = 64; |
| 140 | tuple.TupleOffset = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 143 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | while (1) { |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 145 | if (pcmcia_get_tuple_data(link, &tuple) != 0 || |
| 146 | pcmcia_parse_tuple(link, &tuple, &parse) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | goto next_entry; |
| 148 | link->conf.ConfigIndex = parse.cftable_entry.index; |
| 149 | link->io.BasePort1 = parse.cftable_entry.io.win[0].base; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 150 | i = pcmcia_request_io(link, &link->io); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | if (i == CS_SUCCESS) break; |
| 152 | next_entry: |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 153 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | } |
| 155 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 156 | CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); |
| 157 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 158 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | /* A bad hack... */ |
| 160 | release_region(link->io.BasePort1, link->io.NumPorts1); |
| 161 | |
| 162 | /* Set configuration options for the fdomain driver */ |
| 163 | sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ); |
| 164 | fdomain_setup(str); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 165 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | host = __fdomain_16x0_detect(&fdomain_driver_template); |
| 167 | if (!host) { |
| 168 | printk(KERN_INFO "fdomain_cs: no SCSI devices found\n"); |
| 169 | goto cs_failed; |
| 170 | } |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 171 | |
| 172 | if (scsi_add_host(host, NULL)) |
| 173 | goto cs_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | scsi_scan_host(host); |
| 175 | |
| 176 | sprintf(info->node.dev_name, "scsi%d", host->host_no); |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 177 | link->dev_node = &info->node; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 178 | info->host = host; |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 179 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 180 | return 0; |
| 181 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | cs_failed: |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 183 | cs_error(link, last_fn, last_ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | fdomain_release(link); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 185 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | } /* fdomain_config */ |
| 187 | |
| 188 | /*====================================================================*/ |
| 189 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 190 | static void fdomain_release(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | { |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 192 | scsi_info_t *info = link->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 194 | DEBUG(0, "fdomain_release(0x%p)\n", link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 196 | scsi_remove_host(info->host); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 197 | pcmcia_disable_device(link); |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 198 | scsi_unregister(info->host); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | /*====================================================================*/ |
| 202 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 203 | static int fdomain_resume(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 204 | { |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 205 | fdomain_16x0_bus_reset(NULL); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 206 | |
| 207 | return 0; |
| 208 | } |
| 209 | |
Dominik Brodowski | 2d1fb37 | 2005-06-27 16:28:21 -0700 | [diff] [blame] | 210 | static struct pcmcia_device_id fdomain_ids[] = { |
| 211 | PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20), |
| 212 | PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e), |
| 213 | PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f), |
| 214 | PCMCIA_DEVICE_NULL, |
| 215 | }; |
| 216 | MODULE_DEVICE_TABLE(pcmcia, fdomain_ids); |
| 217 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | static struct pcmcia_driver fdomain_cs_driver = { |
| 219 | .owner = THIS_MODULE, |
| 220 | .drv = { |
| 221 | .name = "fdomain_cs", |
| 222 | }, |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 223 | .probe = fdomain_probe, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 224 | .remove = fdomain_detach, |
Dominik Brodowski | 2d1fb37 | 2005-06-27 16:28:21 -0700 | [diff] [blame] | 225 | .id_table = fdomain_ids, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 226 | .resume = fdomain_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | }; |
| 228 | |
| 229 | static int __init init_fdomain_cs(void) |
| 230 | { |
| 231 | return pcmcia_register_driver(&fdomain_cs_driver); |
| 232 | } |
| 233 | |
| 234 | static void __exit exit_fdomain_cs(void) |
| 235 | { |
| 236 | pcmcia_unregister_driver(&fdomain_cs_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | } |
| 238 | |
| 239 | module_init(init_fdomain_cs); |
| 240 | module_exit(exit_fdomain_cs); |