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 <linux/major.h> 44 #include <linux/blkdev.h> 45 46 #include <scsi/scsi.h> 47 #include <scsi/scsi_cmnd.h> 48 #include <scsi/scsi_device.h> 49 #include <scsi/scsi_eh.h> 50 #include <scsi/scsi_host.h> 51 #include <scsi/scsi_ioctl.h> 52 #include <scsi/scsi_tcq.h> 53 #include "aha152x.h" 54 55 #include <pcmcia/cistpl.h> 56 #include <pcmcia/ds.h> 57 58 59 /*====================================================================*/ 60 61 /* Parameters that can be set with 'insmod' */ 62 63 /* SCSI bus setup options */ 64 static int host_id = 7; 65 static int reconnect = 1; 66 static int parity = 1; 67 static int synchronous = 1; 68 static int reset_delay = 100; 69 static int ext_trans = 0; 70 71 module_param(host_id, int, 0); 72 module_param(reconnect, int, 0); 73 module_param(parity, int, 0); 74 module_param(synchronous, int, 0); 75 module_param(reset_delay, int, 0); 76 module_param(ext_trans, int, 0); 77 78 MODULE_LICENSE("Dual MPL/GPL"); 79 80 /*====================================================================*/ 81 82 typedef struct scsi_info_t { 83 struct pcmcia_device *p_dev; 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 int aha152x_probe(struct pcmcia_device *link) 92 { 93 scsi_info_t *info; 94 95 dev_dbg(&link->dev, "aha152x_attach()\n"); 96 97 /* Create new SCSI device */ 98 info = kzalloc(sizeof(*info), GFP_KERNEL); 99 if (!info) return -ENOMEM; 100 info->p_dev = link; 101 link->priv = info; 102 103 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; 104 link->config_regs = PRESENT_OPTION; 105 106 return aha152x_config_cs(link); 107 } /* aha152x_attach */ 108 109 /*====================================================================*/ 110 111 static void aha152x_detach(struct pcmcia_device *link) 112 { 113 dev_dbg(&link->dev, "aha152x_detach\n"); 114 115 aha152x_release_cs(link); 116 117 /* Unlink device structure, free bits */ 118 kfree(link->priv); 119 } /* aha152x_detach */ 120 121 /*====================================================================*/ 122 123 static int aha152x_config_check(struct pcmcia_device *p_dev, void *priv_data) 124 { 125 p_dev->io_lines = 10; 126 127 /* For New Media T&J, look for a SCSI window */ 128 if ((p_dev->resource[0]->end < 0x20) && 129 (p_dev->resource[1]->end >= 0x20)) 130 p_dev->resource[0]->start = p_dev->resource[1]->start; 131 132 if (p_dev->resource[0]->start >= 0xffff) 133 return -EINVAL; 134 135 p_dev->resource[1]->start = p_dev->resource[1]->end = 0; 136 p_dev->resource[0]->end = 0x20; 137 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; 138 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; 139 140 return pcmcia_request_io(p_dev); 141 } 142 143 static int aha152x_config_cs(struct pcmcia_device *link) 144 { 145 scsi_info_t *info = link->priv; 146 struct aha152x_setup s; 147 int ret; 148 struct Scsi_Host *host; 149 150 dev_dbg(&link->dev, "aha152x_config\n"); 151 152 ret = pcmcia_loop_config(link, aha152x_config_check, NULL); 153 if (ret) 154 goto failed; 155 156 if (!link->irq) 157 goto failed; 158 159 ret = pcmcia_enable_device(link); 160 if (ret) 161 goto failed; 162 163 /* Set configuration options for the aha152x driver */ 164 memset(&s, 0, sizeof(s)); 165 s.conf = "PCMCIA setup"; 166 s.io_port = link->resource[0]->start; 167 s.irq = link->irq; 168 s.scsiid = host_id; 169 s.reconnect = reconnect; 170 s.parity = parity; 171 s.synchronous = synchronous; 172 s.delay = reset_delay; 173 if (ext_trans) 174 s.ext_trans = ext_trans; 175 176 host = aha152x_probe_one(&s); 177 if (host == NULL) { 178 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); 179 goto failed; 180 } 181 182 info->host = host; 183 184 return 0; 185 186 failed: 187 aha152x_release_cs(link); 188 return -ENODEV; 189 } 190 191 static void aha152x_release_cs(struct pcmcia_device *link) 192 { 193 scsi_info_t *info = link->priv; 194 195 aha152x_release(info->host); 196 pcmcia_disable_device(link); 197 } 198 199 static int aha152x_resume(struct pcmcia_device *link) 200 { 201 scsi_info_t *info = link->priv; 202 203 aha152x_host_reset_host(info->host); 204 205 return 0; 206 } 207 208 static const struct pcmcia_device_id aha152x_ids[] = { 209 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), 210 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), 211 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), 212 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), 213 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), 214 PCMCIA_DEVICE_NULL, 215 }; 216 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); 217 218 static struct pcmcia_driver aha152x_cs_driver = { 219 .owner = THIS_MODULE, 220 .name = "aha152x_cs", 221 .probe = aha152x_probe, 222 .remove = aha152x_detach, 223 .id_table = aha152x_ids, 224 .resume = aha152x_resume, 225 }; 226 module_pcmcia_driver(aha152x_cs_driver); 227