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 struct Scsi_Host *host; 84 } scsi_info_t; 85 86 static void aha152x_release_cs(struct pcmcia_device *link); 87 static void aha152x_detach(struct pcmcia_device *p_dev); 88 static int aha152x_config_cs(struct pcmcia_device *link); 89 90 static struct pcmcia_device *dev_list; 91 92 static int aha152x_probe(struct pcmcia_device *link) 93 { 94 scsi_info_t *info; 95 96 dev_dbg(&link->dev, "aha152x_attach()\n"); 97 98 /* Create new SCSI device */ 99 info = kzalloc(sizeof(*info), GFP_KERNEL); 100 if (!info) return -ENOMEM; 101 info->p_dev = link; 102 link->priv = info; 103 104 link->io.NumPorts1 = 0x20; 105 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 106 link->io.IOAddrLines = 10; 107 link->conf.Attributes = CONF_ENABLE_IRQ; 108 link->conf.IntType = INT_MEMORY_AND_IO; 109 link->conf.Present = PRESENT_OPTION; 110 111 return aha152x_config_cs(link); 112 } /* aha152x_attach */ 113 114 /*====================================================================*/ 115 116 static void aha152x_detach(struct pcmcia_device *link) 117 { 118 dev_dbg(&link->dev, "aha152x_detach\n"); 119 120 aha152x_release_cs(link); 121 122 /* Unlink device structure, free bits */ 123 kfree(link->priv); 124 } /* aha152x_detach */ 125 126 /*====================================================================*/ 127 128 static int aha152x_config_check(struct pcmcia_device *p_dev, 129 cistpl_cftable_entry_t *cfg, 130 cistpl_cftable_entry_t *dflt, 131 unsigned int vcc, 132 void *priv_data) 133 { 134 /* For New Media T&J, look for a SCSI window */ 135 if (cfg->io.win[0].len >= 0x20) 136 p_dev->io.BasePort1 = cfg->io.win[0].base; 137 else if ((cfg->io.nwin > 1) && 138 (cfg->io.win[1].len >= 0x20)) 139 p_dev->io.BasePort1 = cfg->io.win[1].base; 140 if ((cfg->io.nwin > 0) && 141 (p_dev->io.BasePort1 < 0xffff)) { 142 if (!pcmcia_request_io(p_dev, &p_dev->io)) 143 return 0; 144 } 145 return -EINVAL; 146 } 147 148 static int aha152x_config_cs(struct pcmcia_device *link) 149 { 150 scsi_info_t *info = link->priv; 151 struct aha152x_setup s; 152 int ret; 153 struct Scsi_Host *host; 154 155 dev_dbg(&link->dev, "aha152x_config\n"); 156 157 ret = pcmcia_loop_config(link, aha152x_config_check, NULL); 158 if (ret) 159 goto failed; 160 161 if (!link->irq) 162 goto failed; 163 164 ret = pcmcia_request_configuration(link, &link->conf); 165 if (ret) 166 goto failed; 167 168 /* Set configuration options for the aha152x driver */ 169 memset(&s, 0, sizeof(s)); 170 s.conf = "PCMCIA setup"; 171 s.io_port = link->io.BasePort1; 172 s.irq = link->irq; 173 s.scsiid = host_id; 174 s.reconnect = reconnect; 175 s.parity = parity; 176 s.synchronous = synchronous; 177 s.delay = reset_delay; 178 if (ext_trans) 179 s.ext_trans = ext_trans; 180 181 host = aha152x_probe_one(&s); 182 if (host == NULL) { 183 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); 184 goto failed; 185 } 186 187 info->host = host; 188 189 return 0; 190 191 failed: 192 aha152x_release_cs(link); 193 return -ENODEV; 194 } 195 196 static void aha152x_release_cs(struct pcmcia_device *link) 197 { 198 scsi_info_t *info = link->priv; 199 200 aha152x_release(info->host); 201 pcmcia_disable_device(link); 202 } 203 204 static int aha152x_resume(struct pcmcia_device *link) 205 { 206 scsi_info_t *info = link->priv; 207 208 aha152x_host_reset_host(info->host); 209 210 return 0; 211 } 212 213 static struct pcmcia_device_id aha152x_ids[] = { 214 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), 215 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), 216 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), 217 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), 218 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), 219 PCMCIA_DEVICE_NULL, 220 }; 221 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); 222 223 static struct pcmcia_driver aha152x_cs_driver = { 224 .owner = THIS_MODULE, 225 .drv = { 226 .name = "aha152x_cs", 227 }, 228 .probe = aha152x_probe, 229 .remove = aha152x_detach, 230 .id_table = aha152x_ids, 231 .resume = aha152x_resume, 232 }; 233 234 static int __init init_aha152x_cs(void) 235 { 236 return pcmcia_register_driver(&aha152x_cs_driver); 237 } 238 239 static void __exit exit_aha152x_cs(void) 240 { 241 pcmcia_unregister_driver(&aha152x_cs_driver); 242 BUG_ON(dev_list != NULL); 243 } 244 245 module_init(init_aha152x_cs); 246 module_exit(exit_aha152x_cs); 247