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 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 struct pcmcia_device *p_dev; 93 dev_node_t node; 94 struct Scsi_Host *host; 95 } scsi_info_t; 96 97 static void aha152x_release_cs(struct pcmcia_device *link); 98 static void aha152x_detach(struct pcmcia_device *p_dev); 99 static int aha152x_config_cs(struct pcmcia_device *link); 100 101 static struct pcmcia_device *dev_list; 102 103 static int aha152x_probe(struct pcmcia_device *link) 104 { 105 scsi_info_t *info; 106 107 DEBUG(0, "aha152x_attach()\n"); 108 109 /* Create new SCSI device */ 110 info = kmalloc(sizeof(*info), GFP_KERNEL); 111 if (!info) return -ENOMEM; 112 memset(info, 0, sizeof(*info)); 113 info->p_dev = link; 114 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.IntType = INT_MEMORY_AND_IO; 123 link->conf.Present = PRESENT_OPTION; 124 125 return aha152x_config_cs(link); 126 } /* aha152x_attach */ 127 128 /*====================================================================*/ 129 130 static void aha152x_detach(struct pcmcia_device *link) 131 { 132 DEBUG(0, "aha152x_detach(0x%p)\n", link); 133 134 aha152x_release_cs(link); 135 136 /* Unlink device structure, free bits */ 137 kfree(link->priv); 138 } /* aha152x_detach */ 139 140 /*====================================================================*/ 141 142 #define CS_CHECK(fn, ret) \ 143 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) 144 145 static int aha152x_config_cs(struct pcmcia_device *link) 146 { 147 scsi_info_t *info = link->priv; 148 struct aha152x_setup s; 149 tuple_t tuple; 150 cisparse_t parse; 151 int i, last_ret, last_fn; 152 u_char tuple_data[64]; 153 struct Scsi_Host *host; 154 155 DEBUG(0, "aha152x_config(0x%p)\n", link); 156 157 tuple.DesiredTuple = CISTPL_CONFIG; 158 tuple.TupleData = tuple_data; 159 tuple.TupleDataMax = 64; 160 tuple.TupleOffset = 0; 161 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); 162 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); 163 CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); 164 link->conf.ConfigBase = parse.config.base; 165 166 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 167 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); 168 while (1) { 169 if (pcmcia_get_tuple_data(link, &tuple) != 0 || 170 pcmcia_parse_tuple(link, &tuple, &parse) != 0) 171 goto next_entry; 172 /* For New Media T&J, look for a SCSI window */ 173 if (parse.cftable_entry.io.win[0].len >= 0x20) 174 link->io.BasePort1 = parse.cftable_entry.io.win[0].base; 175 else if ((parse.cftable_entry.io.nwin > 1) && 176 (parse.cftable_entry.io.win[1].len >= 0x20)) 177 link->io.BasePort1 = parse.cftable_entry.io.win[1].base; 178 if ((parse.cftable_entry.io.nwin > 0) && 179 (link->io.BasePort1 < 0xffff)) { 180 link->conf.ConfigIndex = parse.cftable_entry.index; 181 i = pcmcia_request_io(link, &link->io); 182 if (i == CS_SUCCESS) break; 183 } 184 next_entry: 185 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); 186 } 187 188 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); 189 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); 190 191 /* Set configuration options for the aha152x driver */ 192 memset(&s, 0, sizeof(s)); 193 s.conf = "PCMCIA setup"; 194 s.io_port = link->io.BasePort1; 195 s.irq = link->irq.AssignedIRQ; 196 s.scsiid = host_id; 197 s.reconnect = reconnect; 198 s.parity = parity; 199 s.synchronous = synchronous; 200 s.delay = reset_delay; 201 if (ext_trans) 202 s.ext_trans = ext_trans; 203 204 host = aha152x_probe_one(&s); 205 if (host == NULL) { 206 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); 207 goto cs_failed; 208 } 209 210 sprintf(info->node.dev_name, "scsi%d", host->host_no); 211 link->dev_node = &info->node; 212 info->host = host; 213 214 return 0; 215 216 cs_failed: 217 cs_error(link, last_fn, last_ret); 218 aha152x_release_cs(link); 219 return -ENODEV; 220 } 221 222 static void aha152x_release_cs(struct pcmcia_device *link) 223 { 224 scsi_info_t *info = link->priv; 225 226 aha152x_release(info->host); 227 pcmcia_disable_device(link); 228 } 229 230 static int aha152x_resume(struct pcmcia_device *link) 231 { 232 scsi_info_t *info = link->priv; 233 234 aha152x_host_reset_host(info->host); 235 236 return 0; 237 } 238 239 static struct pcmcia_device_id aha152x_ids[] = { 240 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), 241 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), 242 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), 243 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), 244 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), 245 PCMCIA_DEVICE_NULL, 246 }; 247 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); 248 249 static struct pcmcia_driver aha152x_cs_driver = { 250 .owner = THIS_MODULE, 251 .drv = { 252 .name = "aha152x_cs", 253 }, 254 .probe = aha152x_probe, 255 .remove = aha152x_detach, 256 .id_table = aha152x_ids, 257 .resume = aha152x_resume, 258 }; 259 260 static int __init init_aha152x_cs(void) 261 { 262 return pcmcia_register_driver(&aha152x_cs_driver); 263 } 264 265 static void __exit exit_aha152x_cs(void) 266 { 267 pcmcia_unregister_driver(&aha152x_cs_driver); 268 BUG_ON(dev_list != NULL); 269 } 270 271 module_init(init_aha152x_cs); 272 module_exit(exit_aha152x_cs); 273