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/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 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 { 91 struct pcmcia_device *p_dev; 92 dev_node_t node; 93 struct Scsi_Host *host; 94 } scsi_info_t; 95 96 static void aha152x_release_cs(struct pcmcia_device *link); 97 static void aha152x_detach(struct pcmcia_device *p_dev); 98 static int aha152x_config_cs(struct pcmcia_device *link); 99 100 static struct pcmcia_device *dev_list; 101 102 static int aha152x_probe(struct pcmcia_device *link) 103 { 104 scsi_info_t *info; 105 106 DEBUG(0, "aha152x_attach()\n"); 107 108 /* Create new SCSI device */ 109 info = kmalloc(sizeof(*info), GFP_KERNEL); 110 if (!info) return -ENOMEM; 111 memset(info, 0, sizeof(*info)); 112 info->p_dev = link; 113 link->priv = info; 114 115 link->io.NumPorts1 = 0x20; 116 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 117 link->io.IOAddrLines = 10; 118 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; 119 link->irq.IRQInfo1 = IRQ_LEVEL_ID; 120 link->conf.Attributes = CONF_ENABLE_IRQ; 121 link->conf.IntType = INT_MEMORY_AND_IO; 122 link->conf.Present = PRESENT_OPTION; 123 124 return aha152x_config_cs(link); 125 } /* aha152x_attach */ 126 127 /*====================================================================*/ 128 129 static void aha152x_detach(struct pcmcia_device *link) 130 { 131 DEBUG(0, "aha152x_detach(0x%p)\n", link); 132 133 aha152x_release_cs(link); 134 135 /* Unlink device structure, free bits */ 136 kfree(link->priv); 137 } /* aha152x_detach */ 138 139 /*====================================================================*/ 140 141 #define CS_CHECK(fn, ret) \ 142 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) 143 144 static int aha152x_config_cs(struct pcmcia_device *link) 145 { 146 scsi_info_t *info = link->priv; 147 struct aha152x_setup s; 148 tuple_t tuple; 149 cisparse_t parse; 150 int i, last_ret, last_fn; 151 u_char tuple_data[64]; 152 struct Scsi_Host *host; 153 154 DEBUG(0, "aha152x_config(0x%p)\n", link); 155 156 tuple.TupleData = tuple_data; 157 tuple.TupleDataMax = 64; 158 tuple.TupleOffset = 0; 159 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 160 tuple.Attributes = 0; 161 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); 162 while (1) { 163 if (pcmcia_get_tuple_data(link, &tuple) != 0 || 164 pcmcia_parse_tuple(link, &tuple, &parse) != 0) 165 goto next_entry; 166 /* For New Media T&J, look for a SCSI window */ 167 if (parse.cftable_entry.io.win[0].len >= 0x20) 168 link->io.BasePort1 = parse.cftable_entry.io.win[0].base; 169 else if ((parse.cftable_entry.io.nwin > 1) && 170 (parse.cftable_entry.io.win[1].len >= 0x20)) 171 link->io.BasePort1 = parse.cftable_entry.io.win[1].base; 172 if ((parse.cftable_entry.io.nwin > 0) && 173 (link->io.BasePort1 < 0xffff)) { 174 link->conf.ConfigIndex = parse.cftable_entry.index; 175 i = pcmcia_request_io(link, &link->io); 176 if (i == CS_SUCCESS) break; 177 } 178 next_entry: 179 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); 180 } 181 182 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); 183 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); 184 185 /* Set configuration options for the aha152x driver */ 186 memset(&s, 0, sizeof(s)); 187 s.conf = "PCMCIA setup"; 188 s.io_port = link->io.BasePort1; 189 s.irq = link->irq.AssignedIRQ; 190 s.scsiid = host_id; 191 s.reconnect = reconnect; 192 s.parity = parity; 193 s.synchronous = synchronous; 194 s.delay = reset_delay; 195 if (ext_trans) 196 s.ext_trans = ext_trans; 197 198 host = aha152x_probe_one(&s); 199 if (host == NULL) { 200 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); 201 goto cs_failed; 202 } 203 204 sprintf(info->node.dev_name, "scsi%d", host->host_no); 205 link->dev_node = &info->node; 206 info->host = host; 207 208 return 0; 209 210 cs_failed: 211 cs_error(link, last_fn, last_ret); 212 aha152x_release_cs(link); 213 return -ENODEV; 214 } 215 216 static void aha152x_release_cs(struct pcmcia_device *link) 217 { 218 scsi_info_t *info = link->priv; 219 220 aha152x_release(info->host); 221 pcmcia_disable_device(link); 222 } 223 224 static int aha152x_resume(struct pcmcia_device *link) 225 { 226 scsi_info_t *info = link->priv; 227 228 aha152x_host_reset_host(info->host); 229 230 return 0; 231 } 232 233 static struct pcmcia_device_id aha152x_ids[] = { 234 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), 235 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), 236 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), 237 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), 238 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), 239 PCMCIA_DEVICE_NULL, 240 }; 241 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); 242 243 static struct pcmcia_driver aha152x_cs_driver = { 244 .owner = THIS_MODULE, 245 .drv = { 246 .name = "aha152x_cs", 247 }, 248 .probe = aha152x_probe, 249 .remove = aha152x_detach, 250 .id_table = aha152x_ids, 251 .resume = aha152x_resume, 252 }; 253 254 static int __init init_aha152x_cs(void) 255 { 256 return pcmcia_register_driver(&aha152x_cs_driver); 257 } 258 259 static void __exit exit_aha152x_cs(void) 260 { 261 pcmcia_unregister_driver(&aha152x_cs_driver); 262 BUG_ON(dev_list != NULL); 263 } 264 265 module_init(init_aha152x_cs); 266 module_exit(exit_aha152x_cs); 267