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223 lines
6.5 KiB
223 lines
6.5 KiB
/*====================================================================== |
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A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards. |
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This driver supports the Adaptec AHA-1460, the New Media Bus |
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Toaster, and the New Media Toast & Jam. |
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aha152x_cs.c 1.54 2000/06/12 21:27:25 |
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The contents of this file are subject to the Mozilla Public |
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License Version 1.1 (the "License"); you may not use this file |
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except in compliance with the License. You may obtain a copy of |
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the License at http://www.mozilla.org/MPL/ |
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Software distributed under the License is distributed on an "AS |
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IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
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implied. See the License for the specific language governing |
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rights and limitations under the License. |
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The initial developer of the original code is David A. Hinds |
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<[email protected]>. Portions created by David A. Hinds |
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are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
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Alternatively, the contents of this file may be used under the |
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terms of the GNU General Public License version 2 (the "GPL"), in which |
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case the provisions of the GPL are applicable instead of the |
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above. If you wish to allow the use of your version of this file |
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only under the terms of the GPL and not to allow others to use |
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your version of this file under the MPL, indicate your decision |
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by deleting the provisions above and replace them with the notice |
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and other provisions required by the GPL. If you do not delete |
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the provisions above, a recipient may use your version of this |
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file under either the MPL or the GPL. |
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======================================================================*/ |
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#include <linux/module.h> |
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#include <linux/init.h> |
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#include <linux/kernel.h> |
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#include <linux/slab.h> |
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#include <linux/string.h> |
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#include <linux/ioport.h> |
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#include <scsi/scsi.h> |
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#include <linux/major.h> |
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#include <linux/blkdev.h> |
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#include <scsi/scsi_ioctl.h> |
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#include "scsi.h" |
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#include <scsi/scsi_host.h> |
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#include "aha152x.h" |
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#include <pcmcia/cistpl.h> |
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#include <pcmcia/ds.h> |
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/*====================================================================*/ |
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/* Parameters that can be set with 'insmod' */ |
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/* SCSI bus setup options */ |
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static int host_id = 7; |
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static int reconnect = 1; |
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static int parity = 1; |
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static int synchronous = 1; |
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static int reset_delay = 100; |
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static int ext_trans = 0; |
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module_param(host_id, int, 0); |
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module_param(reconnect, int, 0); |
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module_param(parity, int, 0); |
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module_param(synchronous, int, 0); |
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module_param(reset_delay, int, 0); |
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module_param(ext_trans, int, 0); |
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MODULE_LICENSE("Dual MPL/GPL"); |
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/*====================================================================*/ |
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typedef struct scsi_info_t { |
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struct pcmcia_device *p_dev; |
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struct Scsi_Host *host; |
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} scsi_info_t; |
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static void aha152x_release_cs(struct pcmcia_device *link); |
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static void aha152x_detach(struct pcmcia_device *p_dev); |
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static int aha152x_config_cs(struct pcmcia_device *link); |
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static int aha152x_probe(struct pcmcia_device *link) |
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{ |
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scsi_info_t *info; |
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dev_dbg(&link->dev, "aha152x_attach()\n"); |
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/* Create new SCSI device */ |
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info = kzalloc(sizeof(*info), GFP_KERNEL); |
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if (!info) return -ENOMEM; |
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info->p_dev = link; |
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link->priv = info; |
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link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; |
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link->config_regs = PRESENT_OPTION; |
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return aha152x_config_cs(link); |
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} /* aha152x_attach */ |
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/*====================================================================*/ |
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static void aha152x_detach(struct pcmcia_device *link) |
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{ |
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dev_dbg(&link->dev, "aha152x_detach\n"); |
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aha152x_release_cs(link); |
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/* Unlink device structure, free bits */ |
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kfree(link->priv); |
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} /* aha152x_detach */ |
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/*====================================================================*/ |
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static int aha152x_config_check(struct pcmcia_device *p_dev, void *priv_data) |
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{ |
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p_dev->io_lines = 10; |
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/* For New Media T&J, look for a SCSI window */ |
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if ((p_dev->resource[0]->end < 0x20) && |
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(p_dev->resource[1]->end >= 0x20)) |
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p_dev->resource[0]->start = p_dev->resource[1]->start; |
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if (p_dev->resource[0]->start >= 0xffff) |
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return -EINVAL; |
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p_dev->resource[1]->start = p_dev->resource[1]->end = 0; |
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p_dev->resource[0]->end = 0x20; |
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p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; |
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p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; |
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return pcmcia_request_io(p_dev); |
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} |
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static int aha152x_config_cs(struct pcmcia_device *link) |
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{ |
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scsi_info_t *info = link->priv; |
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struct aha152x_setup s; |
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int ret; |
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struct Scsi_Host *host; |
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dev_dbg(&link->dev, "aha152x_config\n"); |
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ret = pcmcia_loop_config(link, aha152x_config_check, NULL); |
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if (ret) |
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goto failed; |
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if (!link->irq) |
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goto failed; |
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ret = pcmcia_enable_device(link); |
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if (ret) |
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goto failed; |
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/* Set configuration options for the aha152x driver */ |
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memset(&s, 0, sizeof(s)); |
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s.conf = "PCMCIA setup"; |
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s.io_port = link->resource[0]->start; |
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s.irq = link->irq; |
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s.scsiid = host_id; |
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s.reconnect = reconnect; |
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s.parity = parity; |
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s.synchronous = synchronous; |
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s.delay = reset_delay; |
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if (ext_trans) |
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s.ext_trans = ext_trans; |
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host = aha152x_probe_one(&s); |
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if (host == NULL) { |
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printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); |
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goto failed; |
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} |
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info->host = host; |
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return 0; |
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failed: |
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aha152x_release_cs(link); |
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return -ENODEV; |
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} |
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static void aha152x_release_cs(struct pcmcia_device *link) |
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{ |
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scsi_info_t *info = link->priv; |
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aha152x_release(info->host); |
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pcmcia_disable_device(link); |
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} |
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static int aha152x_resume(struct pcmcia_device *link) |
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{ |
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scsi_info_t *info = link->priv; |
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aha152x_host_reset_host(info->host); |
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return 0; |
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} |
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static const struct pcmcia_device_id aha152x_ids[] = { |
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PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), |
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PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), |
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PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), |
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PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), |
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PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), |
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PCMCIA_DEVICE_NULL, |
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}; |
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MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); |
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static struct pcmcia_driver aha152x_cs_driver = { |
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.owner = THIS_MODULE, |
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.name = "aha152x_cs", |
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.probe = aha152x_probe, |
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.remove = aha152x_detach, |
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.id_table = aha152x_ids, |
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.resume = aha152x_resume, |
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}; |
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module_pcmcia_driver(aha152x_cs_driver);
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