/* -*- mode: c; c-basic-offset: 8 -*- */ /* SNI RM driver * * Copyright (C) 2001 by James.Bottomley@HansenPartnership.com **----------------------------------------------------------------------------- ** ** 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. ** **----------------------------------------------------------------------------- */ /* * Based on lasi700.c */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/types.h> #include <linux/slab.h> #include <linux/stat.h> #include <linux/mm.h> #include <linux/blkdev.h> #include <linux/sched.h> #include <linux/ioport.h> #include <linux/dma-mapping.h> #include <linux/platform_device.h> #include <asm/page.h> #include <asm/pgtable.h> #include <asm/irq.h> #include <asm/delay.h> #include <scsi/scsi_host.h> #include <scsi/scsi_device.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_transport_spi.h> #include "53c700.h" MODULE_AUTHOR("Thomas Bogendörfer"); MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:snirm_53c710"); #define SNIRM710_CLOCK 32 static struct scsi_host_template snirm710_template = { .name = "SNI RM SCSI 53c710", .proc_name = "snirm_53c710", .this_id = 7, .module = THIS_MODULE, }; static int snirm710_probe(struct platform_device *dev) { unsigned long base; struct NCR_700_Host_Parameters *hostdata; struct Scsi_Host *host; struct resource *res; res = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!res) return -ENODEV; base = res->start; hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL); if (!hostdata) { dev_printk(KERN_ERR, dev, "Failed to allocate host data\n"); return -ENOMEM; } hostdata->dev = &dev->dev; dma_set_mask(&dev->dev, DMA_BIT_MASK(32)); hostdata->base = ioremap_nocache(base, 0x100); hostdata->differential = 0; hostdata->clock = SNIRM710_CLOCK; hostdata->force_le_on_be = 1; hostdata->chip710 = 1; hostdata->burst_length = 4; host = NCR_700_detect(&snirm710_template, hostdata, &dev->dev); if (!host) goto out_kfree; host->this_id = 7; host->base = base; host->irq = platform_get_irq(dev, 0); if(request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "snirm710", host)) { printk(KERN_ERR "snirm710: request_irq failed!\n"); goto out_put_host; } dev_set_drvdata(&dev->dev, host); scsi_scan_host(host); return 0; out_put_host: scsi_host_put(host); out_kfree: iounmap(hostdata->base); kfree(hostdata); return -ENODEV; } static int __exit snirm710_driver_remove(struct platform_device *dev) { struct Scsi_Host *host = dev_get_drvdata(&dev->dev); struct NCR_700_Host_Parameters *hostdata = (struct NCR_700_Host_Parameters *)host->hostdata[0]; scsi_remove_host(host); NCR_700_release(host); free_irq(host->irq, host); iounmap(hostdata->base); kfree(hostdata); return 0; } static struct platform_driver snirm710_driver = { .probe = snirm710_probe, .remove = snirm710_driver_remove, .driver = { .name = "snirm_53c710", .owner = THIS_MODULE, }, }; static int __init snirm710_init(void) { return platform_driver_register(&snirm710_driver); } static void __exit snirm710_exit(void) { platform_driver_unregister(&snirm710_driver); } module_init(snirm710_init); module_exit(snirm710_exit);