| /*====================================================================== |
| |
| A driver for Future Domain-compatible PCMCIA SCSI cards |
| |
| fdomain_cs.c 1.47 2001/10/13 00:08:52 |
| |
| The contents of this file are subject to the Mozilla Public |
| License Version 1.1 (the "License"); you may not use this file |
| except in compliance with the License. You may obtain a copy of |
| the License at http://www.mozilla.org/MPL/ |
| |
| Software distributed under the License is distributed on an "AS |
| IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
| implied. See the License for the specific language governing |
| rights and limitations under the License. |
| |
| The initial developer of the original code is David A. Hinds |
| <dahinds@users.sourceforge.net>. Portions created by David A. Hinds |
| are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
| |
| Alternatively, the contents of this file may be used under the |
| terms of the GNU General Public License version 2 (the "GPL"), in |
| which case the provisions of the GPL are applicable instead of the |
| above. If you wish to allow the use of your version of this file |
| only under the terms of the GPL and not to allow others to use |
| your version of this file under the MPL, indicate your decision |
| by deleting the provisions above and replace them with the notice |
| and other provisions required by the GPL. If you do not delete |
| the provisions above, a recipient may use your version of this |
| file under either the MPL or the GPL. |
| |
| ======================================================================*/ |
| |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/kernel.h> |
| #include <linux/sched.h> |
| #include <linux/slab.h> |
| #include <linux/string.h> |
| #include <linux/ioport.h> |
| #include <scsi/scsi.h> |
| #include <linux/major.h> |
| #include <linux/blkdev.h> |
| #include <scsi/scsi_ioctl.h> |
| |
| #include "scsi.h" |
| #include <scsi/scsi_host.h> |
| #include "fdomain.h" |
| |
| #include <pcmcia/cs_types.h> |
| #include <pcmcia/cs.h> |
| #include <pcmcia/cistpl.h> |
| #include <pcmcia/ds.h> |
| |
| /*====================================================================*/ |
| |
| /* Module parameters */ |
| |
| MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); |
| MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver"); |
| MODULE_LICENSE("Dual MPL/GPL"); |
| |
| #ifdef PCMCIA_DEBUG |
| static int pc_debug = PCMCIA_DEBUG; |
| module_param(pc_debug, int, 0); |
| #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) |
| static char *version = |
| "fdomain_cs.c 1.47 2001/10/13 00:08:52 (David Hinds)"; |
| #else |
| #define DEBUG(n, args...) |
| #endif |
| |
| /*====================================================================*/ |
| |
| typedef struct scsi_info_t { |
| struct pcmcia_device *p_dev; |
| dev_node_t node; |
| struct Scsi_Host *host; |
| } scsi_info_t; |
| |
| |
| static void fdomain_release(struct pcmcia_device *link); |
| static void fdomain_detach(struct pcmcia_device *p_dev); |
| static int fdomain_config(struct pcmcia_device *link); |
| |
| static int fdomain_probe(struct pcmcia_device *link) |
| { |
| scsi_info_t *info; |
| |
| DEBUG(0, "fdomain_attach()\n"); |
| |
| /* Create new SCSI device */ |
| info = kzalloc(sizeof(*info), GFP_KERNEL); |
| if (!info) |
| return -ENOMEM; |
| |
| info->p_dev = link; |
| link->priv = info; |
| link->io.NumPorts1 = 0x10; |
| link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| link->io.IOAddrLines = 10; |
| link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; |
| link->irq.IRQInfo1 = IRQ_LEVEL_ID; |
| link->conf.Attributes = CONF_ENABLE_IRQ; |
| link->conf.IntType = INT_MEMORY_AND_IO; |
| link->conf.Present = PRESENT_OPTION; |
| |
| link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; |
| return fdomain_config(link); |
| } /* fdomain_attach */ |
| |
| /*====================================================================*/ |
| |
| static void fdomain_detach(struct pcmcia_device *link) |
| { |
| DEBUG(0, "fdomain_detach(0x%p)\n", link); |
| |
| if (link->state & DEV_CONFIG) |
| fdomain_release(link); |
| |
| kfree(link->priv); |
| } /* fdomain_detach */ |
| |
| /*====================================================================*/ |
| |
| #define CS_CHECK(fn, ret) \ |
| do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) |
| |
| static int fdomain_config(struct pcmcia_device *link) |
| { |
| scsi_info_t *info = link->priv; |
| tuple_t tuple; |
| cisparse_t parse; |
| int i, last_ret, last_fn; |
| u_char tuple_data[64]; |
| char str[16]; |
| struct Scsi_Host *host; |
| |
| DEBUG(0, "fdomain_config(0x%p)\n", link); |
| |
| tuple.DesiredTuple = CISTPL_CONFIG; |
| tuple.TupleData = tuple_data; |
| tuple.TupleDataMax = 64; |
| tuple.TupleOffset = 0; |
| CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
| CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); |
| CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); |
| link->conf.ConfigBase = parse.config.base; |
| |
| /* Configure card */ |
| link->state |= DEV_CONFIG; |
| |
| tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
| CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
| while (1) { |
| if (pcmcia_get_tuple_data(link, &tuple) != 0 || |
| pcmcia_parse_tuple(link, &tuple, &parse) != 0) |
| goto next_entry; |
| link->conf.ConfigIndex = parse.cftable_entry.index; |
| link->io.BasePort1 = parse.cftable_entry.io.win[0].base; |
| i = pcmcia_request_io(link, &link->io); |
| if (i == CS_SUCCESS) break; |
| next_entry: |
| CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); |
| } |
| |
| CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); |
| CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); |
| |
| /* A bad hack... */ |
| release_region(link->io.BasePort1, link->io.NumPorts1); |
| |
| /* Set configuration options for the fdomain driver */ |
| sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ); |
| fdomain_setup(str); |
| |
| host = __fdomain_16x0_detect(&fdomain_driver_template); |
| if (!host) { |
| printk(KERN_INFO "fdomain_cs: no SCSI devices found\n"); |
| goto cs_failed; |
| } |
| |
| if (scsi_add_host(host, NULL)) |
| goto cs_failed; |
| scsi_scan_host(host); |
| |
| sprintf(info->node.dev_name, "scsi%d", host->host_no); |
| link->dev_node = &info->node; |
| info->host = host; |
| |
| link->state &= ~DEV_CONFIG_PENDING; |
| return 0; |
| |
| cs_failed: |
| cs_error(link, last_fn, last_ret); |
| fdomain_release(link); |
| return -ENODEV; |
| } /* fdomain_config */ |
| |
| /*====================================================================*/ |
| |
| static void fdomain_release(struct pcmcia_device *link) |
| { |
| scsi_info_t *info = link->priv; |
| |
| DEBUG(0, "fdomain_release(0x%p)\n", link); |
| |
| scsi_remove_host(info->host); |
| pcmcia_disable_device(link); |
| scsi_unregister(info->host); |
| } |
| |
| /*====================================================================*/ |
| |
| static int fdomain_resume(struct pcmcia_device *link) |
| { |
| if (link->state & DEV_CONFIG) |
| fdomain_16x0_bus_reset(NULL); |
| |
| return 0; |
| } |
| |
| static struct pcmcia_device_id fdomain_ids[] = { |
| PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20), |
| PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e), |
| PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f), |
| PCMCIA_DEVICE_NULL, |
| }; |
| MODULE_DEVICE_TABLE(pcmcia, fdomain_ids); |
| |
| static struct pcmcia_driver fdomain_cs_driver = { |
| .owner = THIS_MODULE, |
| .drv = { |
| .name = "fdomain_cs", |
| }, |
| .probe = fdomain_probe, |
| .remove = fdomain_detach, |
| .id_table = fdomain_ids, |
| .resume = fdomain_resume, |
| }; |
| |
| static int __init init_fdomain_cs(void) |
| { |
| return pcmcia_register_driver(&fdomain_cs_driver); |
| } |
| |
| static void __exit exit_fdomain_cs(void) |
| { |
| pcmcia_unregister_driver(&fdomain_cs_driver); |
| } |
| |
| module_init(init_fdomain_cs); |
| module_exit(exit_fdomain_cs); |