/* dmx3191d.c - driver for the Domex DMX3191D SCSI card. Copyright (C) 2000 by Massimo Piccioni <dafastidio@libero.it> Portions Copyright (C) 2004 by Christoph Hellwig <hch@lst.de> Based on the generic NCR5380 driver by Drew Eckhardt et al. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/init.h> #include <linux/ioport.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/interrupt.h> #include <asm/io.h> #include <scsi/scsi_host.h> /* * Definitions for the generic 5380 driver. */ #define AUTOSENSE #define NCR5380_read(reg) inb(port + reg) #define NCR5380_write(reg, value) outb(value, port + reg) #define NCR5380_implementation_fields unsigned int port #define NCR5380_local_declare() NCR5380_implementation_fields #define NCR5380_setup(instance) port = instance->io_port /* * Includes needed for NCR5380.[ch] (XXX: Move them to NCR5380.h) */ #include <linux/delay.h> #include "scsi.h" #include "NCR5380.h" #include "NCR5380.c" #define DMX3191D_DRIVER_NAME "dmx3191d" #define DMX3191D_REGION_LEN 8 static struct scsi_host_template dmx3191d_driver_template = { .proc_name = DMX3191D_DRIVER_NAME, .name = "Domex DMX3191D", .queuecommand = NCR5380_queue_command, .eh_abort_handler = NCR5380_abort, .eh_bus_reset_handler = NCR5380_bus_reset, .can_queue = 32, .this_id = 7, .sg_tablesize = SG_ALL, .cmd_per_lun = 2, .use_clustering = DISABLE_CLUSTERING, }; static int __devinit dmx3191d_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) { struct Scsi_Host *shost; unsigned long io; int error = -ENODEV; if (pci_enable_device(pdev)) goto out; io = pci_resource_start(pdev, 0); if (!request_region(io, DMX3191D_REGION_LEN, DMX3191D_DRIVER_NAME)) { printk(KERN_ERR "dmx3191: region 0x%lx-0x%lx already reserved\n", io, io + DMX3191D_REGION_LEN); goto out_disable_device; } shost = scsi_host_alloc(&dmx3191d_driver_template, sizeof(struct NCR5380_hostdata)); if (!shost) goto out_release_region; shost->io_port = io; shost->irq = pdev->irq; NCR5380_init(shost, FLAG_NO_PSEUDO_DMA | FLAG_DTC3181E); if (request_irq(pdev->irq, NCR5380_intr, IRQF_SHARED, DMX3191D_DRIVER_NAME, shost)) { /* * Steam powered scsi controllers run without an IRQ anyway */ printk(KERN_WARNING "dmx3191: IRQ %d not available - " "switching to polled mode.\n", pdev->irq); shost->irq = SCSI_IRQ_NONE; } pci_set_drvdata(pdev, shost); error = scsi_add_host(shost, &pdev->dev); if (error) goto out_free_irq; scsi_scan_host(shost); return 0; out_free_irq: free_irq(shost->irq, shost); out_release_region: release_region(io, DMX3191D_REGION_LEN); out_disable_device: pci_disable_device(pdev); out: return error; } static void __devexit dmx3191d_remove_one(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); scsi_remove_host(shost); NCR5380_exit(shost); if (shost->irq != SCSI_IRQ_NONE) free_irq(shost->irq, shost); release_region(shost->io_port, DMX3191D_REGION_LEN); pci_disable_device(pdev); scsi_host_put(shost); } static struct pci_device_id dmx3191d_pci_tbl[] = { {PCI_VENDOR_ID_DOMEX, PCI_DEVICE_ID_DOMEX_DMX3191D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, { } }; MODULE_DEVICE_TABLE(pci, dmx3191d_pci_tbl); static struct pci_driver dmx3191d_pci_driver = { .name = DMX3191D_DRIVER_NAME, .id_table = dmx3191d_pci_tbl, .probe = dmx3191d_probe_one, .remove = __devexit_p(dmx3191d_remove_one), }; static int __init dmx3191d_init(void) { return pci_register_driver(&dmx3191d_pci_driver); } static void __exit dmx3191d_exit(void) { pci_unregister_driver(&dmx3191d_pci_driver); } module_init(dmx3191d_init); module_exit(dmx3191d_exit); MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>"); MODULE_DESCRIPTION("Domex DMX3191D SCSI driver"); MODULE_LICENSE("GPL");