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.h> 53#include <pcmcia/cistpl.h> 54#include <pcmcia/ds.h> 55 56 57/*====================================================================*/ 58 59/* Parameters that can be set with 'insmod' */ 60 61/* SCSI bus setup options */ 62static int host_id = 7; 63static int reconnect = 1; 64static int parity = 1; 65static int synchronous = 1; 66static int reset_delay = 100; 67static int ext_trans = 0; 68 69module_param(host_id, int, 0); 70module_param(reconnect, int, 0); 71module_param(parity, int, 0); 72module_param(synchronous, int, 0); 73module_param(reset_delay, int, 0); 74module_param(ext_trans, int, 0); 75 76MODULE_LICENSE("Dual MPL/GPL"); 77 78/*====================================================================*/ 79 80typedef struct scsi_info_t { 81 struct pcmcia_device *p_dev; 82 struct Scsi_Host *host; 83} scsi_info_t; 84 85static void aha152x_release_cs(struct pcmcia_device *link); 86static void aha152x_detach(struct pcmcia_device *p_dev); 87static int aha152x_config_cs(struct pcmcia_device *link); 88 89static struct pcmcia_device *dev_list; 90 91static 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->resource[0]->end = 0x20; 104 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; 105 link->conf.Attributes = CONF_ENABLE_IRQ; 106 link->conf.IntType = INT_MEMORY_AND_IO; 107 link->conf.Present = PRESENT_OPTION; 108 109 return aha152x_config_cs(link); 110} /* aha152x_attach */ 111 112/*====================================================================*/ 113 114static void aha152x_detach(struct pcmcia_device *link) 115{ 116 dev_dbg(&link->dev, "aha152x_detach\n"); 117 118 aha152x_release_cs(link); 119 120 /* Unlink device structure, free bits */ 121 kfree(link->priv); 122} /* aha152x_detach */ 123 124/*====================================================================*/ 125 126static int aha152x_config_check(struct pcmcia_device *p_dev, 127 cistpl_cftable_entry_t *cfg, 128 cistpl_cftable_entry_t *dflt, 129 unsigned int vcc, 130 void *priv_data) 131{ 132 p_dev->io_lines = 10; 133 /* For New Media T&J, look for a SCSI window */ 134 if (cfg->io.win[0].len >= 0x20) 135 p_dev->resource[0]->start = cfg->io.win[0].base; 136 else if ((cfg->io.nwin > 1) && 137 (cfg->io.win[1].len >= 0x20)) 138 p_dev->resource[0]->start = cfg->io.win[1].base; 139 if ((cfg->io.nwin > 0) && 140 (p_dev->resource[0]->start < 0xffff)) { 141 if (!pcmcia_request_io(p_dev)) 142 return 0; 143 } 144 return -EINVAL; 145} 146 147static int aha152x_config_cs(struct pcmcia_device *link) 148{ 149 scsi_info_t *info = link->priv; 150 struct aha152x_setup s; 151 int ret; 152 struct Scsi_Host *host; 153 154 dev_dbg(&link->dev, "aha152x_config\n"); 155 156 ret = pcmcia_loop_config(link, aha152x_config_check, NULL); 157 if (ret) 158 goto failed; 159 160 if (!link->irq) 161 goto failed; 162 163 ret = pcmcia_request_configuration(link, &link->conf); 164 if (ret) 165 goto failed; 166 167 /* Set configuration options for the aha152x driver */ 168 memset(&s, 0, sizeof(s)); 169 s.conf = "PCMCIA setup"; 170 s.io_port = link->resource[0]->start; 171 s.irq = link->irq; 172 s.scsiid = host_id; 173 s.reconnect = reconnect; 174 s.parity = parity; 175 s.synchronous = synchronous; 176 s.delay = reset_delay; 177 if (ext_trans) 178 s.ext_trans = ext_trans; 179 180 host = aha152x_probe_one(&s); 181 if (host == NULL) { 182 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); 183 goto failed; 184 } 185 186 info->host = host; 187 188 return 0; 189 190failed: 191 aha152x_release_cs(link); 192 return -ENODEV; 193} 194 195static void aha152x_release_cs(struct pcmcia_device *link) 196{ 197 scsi_info_t *info = link->priv; 198 199 aha152x_release(info->host); 200 pcmcia_disable_device(link); 201} 202 203static int aha152x_resume(struct pcmcia_device *link) 204{ 205 scsi_info_t *info = link->priv; 206 207 aha152x_host_reset_host(info->host); 208 209 return 0; 210} 211 212static struct pcmcia_device_id aha152x_ids[] = { 213 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), 214 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), 215 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), 216 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), 217 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), 218 PCMCIA_DEVICE_NULL, 219}; 220MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); 221 222static struct pcmcia_driver aha152x_cs_driver = { 223 .owner = THIS_MODULE, 224 .drv = { 225 .name = "aha152x_cs", 226 }, 227 .probe = aha152x_probe, 228 .remove = aha152x_detach, 229 .id_table = aha152x_ids, 230 .resume = aha152x_resume, 231}; 232 233static int __init init_aha152x_cs(void) 234{ 235 return pcmcia_register_driver(&aha152x_cs_driver); 236} 237 238static void __exit exit_aha152x_cs(void) 239{ 240 pcmcia_unregister_driver(&aha152x_cs_driver); 241 BUG_ON(dev_list != NULL); 242} 243 244module_init(init_aha152x_cs); 245module_exit(exit_aha152x_cs); 246