| |
| /* |
| dmx3191d.c - midlevel driver for the Domex DMX3191D SCSI card. |
| Copyright (C) 2000 by Massimo Piccioni <dafastidio@libero.it> |
| |
| 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 <asm/io.h> |
| #include <asm/system.h> |
| #include <linux/blk.h> |
| #include <linux/init.h> |
| #include <linux/ioport.h> |
| #include <linux/module.h> |
| #include <linux/pci.h> |
| #include <linux/sched.h> |
| #include <linux/signal.h> |
| #include <linux/stat.h> |
| #include <linux/version.h> |
| |
| #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 = 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!=IRQ_NONE) |
| free_irq(instance->irq, instance); |
| |
| return 0; |
| } |
| |
| MODULE_LICENSE("GPL"); |
| |
| static Scsi_Host_Template driver_template = DMX3191D; |
| #include "scsi_module.c" |
| |