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/cistpl.h> 53 #include <pcmcia/ds.h> 54 55 56 /*====================================================================*/ 57 58 /* Parameters that can be set with 'insmod' */ 59 60 /* SCSI bus setup options */ 61 static int host_id = 7; 62 static int reconnect = 1; 63 static int parity = 1; 64 static int synchronous = 1; 65 static int reset_delay = 100; 66 static int ext_trans = 0; 67 68 module_param(host_id, int, 0); 69 module_param(reconnect, int, 0); 70 module_param(parity, int, 0); 71 module_param(synchronous, int, 0); 72 module_param(reset_delay, int, 0); 73 module_param(ext_trans, int, 0); 74 75 MODULE_LICENSE("Dual MPL/GPL"); 76 77 /*====================================================================*/ 78 79 typedef struct scsi_info_t { 80 struct pcmcia_device *p_dev; 81 struct Scsi_Host *host; 82 } scsi_info_t; 83 84 static void aha152x_release_cs(struct pcmcia_device *link); 85 static void aha152x_detach(struct pcmcia_device *p_dev); 86 static int aha152x_config_cs(struct pcmcia_device *link); 87 88 static int aha152x_probe(struct pcmcia_device *link) 89 { 90 scsi_info_t *info; 91 92 dev_dbg(&link->dev, "aha152x_attach()\n"); 93 94 /* Create new SCSI device */ 95 info = kzalloc(sizeof(*info), GFP_KERNEL); 96 if (!info) return -ENOMEM; 97 info->p_dev = link; 98 link->priv = info; 99 100 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; 101 link->config_regs = PRESENT_OPTION; 102 103 return aha152x_config_cs(link); 104 } /* aha152x_attach */ 105 106 /*====================================================================*/ 107 108 static void aha152x_detach(struct pcmcia_device *link) 109 { 110 dev_dbg(&link->dev, "aha152x_detach\n"); 111 112 aha152x_release_cs(link); 113 114 /* Unlink device structure, free bits */ 115 kfree(link->priv); 116 } /* aha152x_detach */ 117 118 /*====================================================================*/ 119 120 static int aha152x_config_check(struct pcmcia_device *p_dev, void *priv_data) 121 { 122 p_dev->io_lines = 10; 123 124 /* For New Media T&J, look for a SCSI window */ 125 if ((p_dev->resource[0]->end < 0x20) && 126 (p_dev->resource[1]->end >= 0x20)) 127 p_dev->resource[0]->start = p_dev->resource[1]->start; 128 129 if (p_dev->resource[0]->start >= 0xffff) 130 return -EINVAL; 131 132 p_dev->resource[1]->start = p_dev->resource[1]->end = 0; 133 p_dev->resource[0]->end = 0x20; 134 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; 135 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; 136 137 return pcmcia_request_io(p_dev); 138 } 139 140 static int aha152x_config_cs(struct pcmcia_device *link) 141 { 142 scsi_info_t *info = link->priv; 143 struct aha152x_setup s; 144 int ret; 145 struct Scsi_Host *host; 146 147 dev_dbg(&link->dev, "aha152x_config\n"); 148 149 ret = pcmcia_loop_config(link, aha152x_config_check, NULL); 150 if (ret) 151 goto failed; 152 153 if (!link->irq) 154 goto failed; 155 156 ret = pcmcia_enable_device(link); 157 if (ret) 158 goto failed; 159 160 /* Set configuration options for the aha152x driver */ 161 memset(&s, 0, sizeof(s)); 162 s.conf = "PCMCIA setup"; 163 s.io_port = link->resource[0]->start; 164 s.irq = link->irq; 165 s.scsiid = host_id; 166 s.reconnect = reconnect; 167 s.parity = parity; 168 s.synchronous = synchronous; 169 s.delay = reset_delay; 170 if (ext_trans) 171 s.ext_trans = ext_trans; 172 173 host = aha152x_probe_one(&s); 174 if (host == NULL) { 175 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); 176 goto failed; 177 } 178 179 info->host = host; 180 181 return 0; 182 183 failed: 184 aha152x_release_cs(link); 185 return -ENODEV; 186 } 187 188 static void aha152x_release_cs(struct pcmcia_device *link) 189 { 190 scsi_info_t *info = link->priv; 191 192 aha152x_release(info->host); 193 pcmcia_disable_device(link); 194 } 195 196 static int aha152x_resume(struct pcmcia_device *link) 197 { 198 scsi_info_t *info = link->priv; 199 200 aha152x_host_reset_host(info->host); 201 202 return 0; 203 } 204 205 static const struct pcmcia_device_id aha152x_ids[] = { 206 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), 207 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), 208 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), 209 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), 210 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), 211 PCMCIA_DEVICE_NULL, 212 }; 213 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); 214 215 static struct pcmcia_driver aha152x_cs_driver = { 216 .owner = THIS_MODULE, 217 .name = "aha152x_cs", 218 .probe = aha152x_probe, 219 .remove = aha152x_detach, 220 .id_table = aha152x_ids, 221 .resume = aha152x_resume, 222 }; 223 module_pcmcia_driver(aha152x_cs_driver); 224