/* dmx3191d.c - midlevel driver for the Domex DMX3191D SCSI card. Copyright (C) 2000 by Massimo Piccioni 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 #include #include #include #include #include #include #include #include #include #include #include "scsi.h" #include "hosts.h" #include "constants.h" #include "sd.h" #include "dmx3191d.h" /* play with these values to tune up your system performances */ /* default setting from g_NCR5380.c */ /* #define USLEEP #define USLEEP_POLL 1 #define USLEEP_SLEEP 20 #define USLEEP_WAITLONG 500 */ #define AUTOSENSE #include "NCR5380.h" #include "NCR5380.c" int __init dmx3191d_detect(Scsi_Host_Template *tmpl) { int boards = 0; struct Scsi_Host *instance = NULL; struct pci_dev *pdev = NULL; if (!pci_present()) { printk(KERN_WARNING "dmx3191: PCI support not enabled\n"); return 0; } tmpl->proc_name = DMX3191D_DRIVER_NAME; while ((pdev = pci_find_device(PCI_VENDOR_ID_DOMEX, PCI_DEVICE_ID_DOMEX_DMX3191D, pdev))) { unsigned long port; if (pci_enable_device(pdev)) continue; port = pci_resource_start (pdev, 0); if (!request_region(port, DMX3191D_REGION, DMX3191D_DRIVER_NAME)) { printk(KERN_ERR "dmx3191: region 0x%lx-0x%lx already reserved\n", port, port + DMX3191D_REGION); continue; } instance = scsi_register(tmpl, sizeof(struct NCR5380_hostdata)); if(instance == NULL) { release_region(port, DMX3191D_REGION); continue; } scsi_set_pci_device(instance, pdev); instance->io_port = port; instance->irq = pdev->irq; NCR5380_init(instance, FLAG_NO_PSEUDO_DMA | FLAG_DTC3181E); if (request_irq(pdev->irq, dmx3191d_do_intr, SA_SHIRQ, DMX3191D_DRIVER_NAME, instance)) { printk(KERN_WARNING "dmx3191: IRQ %d not available - switching to polled mode.\n", pdev->irq); /* Steam powered scsi controllers run without an IRQ anyway */ instance->irq = SCSI_IRQ_NONE; } boards++; } return boards; } const char * dmx3191d_info(struct Scsi_Host *host) { static const char *info ="Domex DMX3191D"; return info; } int dmx3191d_release_resources(struct Scsi_Host *instance) { release_region(instance->io_port, DMX3191D_REGION); if(instance->irq != SCSI_IRQ_NONE) free_irq(instance->irq, instance); return 0; } MODULE_LICENSE("GPL"); static Scsi_Host_Template driver_template = DMX3191D; #include "scsi_module.c"