// SPDX-License-Identifier: GPL-2.0-or-later /* 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. */ #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 NCR5380_read(reg) inb(hostdata->base + (reg)) #define NCR5380_write(reg, value) outb(value, hostdata->base + (reg)) #define NCR5380_dma_xfer_len NCR5380_dma_xfer_none #define NCR5380_dma_recv_setup NCR5380_dma_setup_none #define NCR5380_dma_send_setup NCR5380_dma_setup_none #define NCR5380_dma_residual NCR5380_dma_residual_none #define NCR5380_implementation_fields /* none */ #include "NCR5380.h" #include "NCR5380.c" #define DMX3191D_DRIVER_NAME "dmx3191d" #define DMX3191D_REGION_LEN 8 static const struct scsi_host_template dmx3191d_driver_template = { .module = THIS_MODULE, .proc_name = DMX3191D_DRIVER_NAME, .name = "Domex DMX3191D", .info = NCR5380_info, .queuecommand = NCR5380_queue_command, .eh_abort_handler = NCR5380_abort, .eh_host_reset_handler = NCR5380_host_reset, .can_queue = 32, .this_id = 7, .sg_tablesize = SG_ALL, .cmd_per_lun = 2, .dma_boundary = PAGE_SIZE - 1, .cmd_size = sizeof(struct NCR5380_cmd), }; static int dmx3191d_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) { struct Scsi_Host *shost; struct NCR5380_hostdata *hostdata; 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; hostdata = shost_priv(shost); hostdata->base = io; /* This card does not seem to raise an interrupt on pdev->irq. * Steam-powered SCSI controllers run without an IRQ anyway. */ shost->irq = NO_IRQ; error = NCR5380_init(shost, 0); if (error) goto out_host_put; NCR5380_maybe_reset_bus(shost); pci_set_drvdata(pdev, shost); error = scsi_add_host(shost, &pdev->dev); if (error) goto out_exit; scsi_scan_host(shost); return 0; out_exit: NCR5380_exit(shost); out_host_put: scsi_host_put(shost); out_release_region: release_region(io, DMX3191D_REGION_LEN); out_disable_device: pci_disable_device(pdev); out: return error; } static void dmx3191d_remove_one(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct NCR5380_hostdata *hostdata = shost_priv(shost); unsigned long io = hostdata->base; scsi_remove_host(shost); NCR5380_exit(shost); scsi_host_put(shost); release_region(io, DMX3191D_REGION_LEN); pci_disable_device(pdev); } 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 = dmx3191d_remove_one, }; module_pci_driver(dmx3191d_pci_driver); MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>"); MODULE_DESCRIPTION("Domex DMX3191D SCSI driver"); MODULE_LICENSE("GPL");