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 58 /*====================================================================*/ 59 60 /* Parameters that can be set with 'insmod' */ 61 62 /* SCSI bus setup options */ 63 static int host_id = 7; 64 static int reconnect = 1; 65 static int parity = 1; 66 static int synchronous = 1; 67 static int reset_delay = 100; 68 static int ext_trans = 0; 69 70 module_param(host_id, int, 0); 71 module_param(reconnect, int, 0); 72 module_param(parity, int, 0); 73 module_param(synchronous, int, 0); 74 module_param(reset_delay, int, 0); 75 module_param(ext_trans, int, 0); 76 77 MODULE_LICENSE("Dual MPL/GPL"); 78 79 /*====================================================================*/ 80 81 typedef struct scsi_info_t { 82 struct pcmcia_device *p_dev; 83 dev_node_t node; 84 struct Scsi_Host *host; 85 } scsi_info_t; 86 87 static void aha152x_release_cs(struct pcmcia_device *link); 88 static void aha152x_detach(struct pcmcia_device *p_dev); 89 static int aha152x_config_cs(struct pcmcia_device *link); 90 91 static struct pcmcia_device *dev_list; 92 93 static int aha152x_probe(struct pcmcia_device *link) 94 { 95 scsi_info_t *info; 96 97 dev_dbg(&link->dev, "aha152x_attach()\n"); 98 99 /* Create new SCSI device */ 100 info = kzalloc(sizeof(*info), GFP_KERNEL); 101 if (!info) return -ENOMEM; 102 info->p_dev = link; 103 link->priv = info; 104 105 link->io.NumPorts1 = 0x20; 106 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 107 link->io.IOAddrLines = 10; 108 link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; 109 link->conf.Attributes = CONF_ENABLE_IRQ; 110 link->conf.IntType = INT_MEMORY_AND_IO; 111 link->conf.Present = PRESENT_OPTION; 112 113 return aha152x_config_cs(link); 114 } /* aha152x_attach */ 115 116 /*====================================================================*/ 117 118 static void aha152x_detach(struct pcmcia_device *link) 119 { 120 dev_dbg(&link->dev, "aha152x_detach\n"); 121 122 aha152x_release_cs(link); 123 124 /* Unlink device structure, free bits */ 125 kfree(link->priv); 126 } /* aha152x_detach */ 127 128 /*====================================================================*/ 129 130 static int aha152x_config_check(struct pcmcia_device *p_dev, 131 cistpl_cftable_entry_t *cfg, 132 cistpl_cftable_entry_t *dflt, 133 unsigned int vcc, 134 void *priv_data) 135 { 136 /* For New Media T&J, look for a SCSI window */ 137 if (cfg->io.win[0].len >= 0x20) 138 p_dev->io.BasePort1 = cfg->io.win[0].base; 139 else if ((cfg->io.nwin > 1) && 140 (cfg->io.win[1].len >= 0x20)) 141 p_dev->io.BasePort1 = cfg->io.win[1].base; 142 if ((cfg->io.nwin > 0) && 143 (p_dev->io.BasePort1 < 0xffff)) { 144 if (!pcmcia_request_io(p_dev, &p_dev->io)) 145 return 0; 146 } 147 return -EINVAL; 148 } 149 150 static int aha152x_config_cs(struct pcmcia_device *link) 151 { 152 scsi_info_t *info = link->priv; 153 struct aha152x_setup s; 154 int ret; 155 struct Scsi_Host *host; 156 157 dev_dbg(&link->dev, "aha152x_config\n"); 158 159 ret = pcmcia_loop_config(link, aha152x_config_check, NULL); 160 if (ret) 161 goto failed; 162 163 ret = pcmcia_request_irq(link, &link->irq); 164 if (ret) 165 goto failed; 166 167 ret = pcmcia_request_configuration(link, &link->conf); 168 if (ret) 169 goto failed; 170 171 /* Set configuration options for the aha152x driver */ 172 memset(&s, 0, sizeof(s)); 173 s.conf = "PCMCIA setup"; 174 s.io_port = link->io.BasePort1; 175 s.irq = link->irq.AssignedIRQ; 176 s.scsiid = host_id; 177 s.reconnect = reconnect; 178 s.parity = parity; 179 s.synchronous = synchronous; 180 s.delay = reset_delay; 181 if (ext_trans) 182 s.ext_trans = ext_trans; 183 184 host = aha152x_probe_one(&s); 185 if (host == NULL) { 186 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); 187 goto failed; 188 } 189 190 sprintf(info->node.dev_name, "scsi%d", host->host_no); 191 link->dev_node = &info->node; 192 info->host = host; 193 194 return 0; 195 196 failed: 197 aha152x_release_cs(link); 198 return -ENODEV; 199 } 200 201 static void aha152x_release_cs(struct pcmcia_device *link) 202 { 203 scsi_info_t *info = link->priv; 204 205 aha152x_release(info->host); 206 pcmcia_disable_device(link); 207 } 208 209 static int aha152x_resume(struct pcmcia_device *link) 210 { 211 scsi_info_t *info = link->priv; 212 213 aha152x_host_reset_host(info->host); 214 215 return 0; 216 } 217 218 static struct pcmcia_device_id aha152x_ids[] = { 219 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), 220 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), 221 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), 222 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), 223 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), 224 PCMCIA_DEVICE_NULL, 225 }; 226 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); 227 228 static struct pcmcia_driver aha152x_cs_driver = { 229 .owner = THIS_MODULE, 230 .drv = { 231 .name = "aha152x_cs", 232 }, 233 .probe = aha152x_probe, 234 .remove = aha152x_detach, 235 .id_table = aha152x_ids, 236 .resume = aha152x_resume, 237 }; 238 239 static int __init init_aha152x_cs(void) 240 { 241 return pcmcia_register_driver(&aha152x_cs_driver); 242 } 243 244 static void __exit exit_aha152x_cs(void) 245 { 246 pcmcia_unregister_driver(&aha152x_cs_driver); 247 BUG_ON(dev_list != NULL); 248 } 249 250 module_init(init_aha152x_cs); 251 module_exit(exit_aha152x_cs); 252