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74ba9207e1
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 441 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520071858.739733335@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
176 lines
4.1 KiB
C
176 lines
4.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/* -*- mode: c; c-basic-offset: 8 -*- */
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/* PARISC LASI driver for the 53c700 chip
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*
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* Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
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**-----------------------------------------------------------------------------
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**
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**
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**-----------------------------------------------------------------------------
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*/
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/*
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* Many thanks to Richard Hirst <rhirst@linuxcare.com> for patiently
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* debugging this driver on the parisc architecture and suggesting
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* many improvements and bug fixes.
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*
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* Thanks also go to Linuxcare Inc. for providing several PARISC
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* machines for me to debug the driver on.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/stat.h>
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#include <linux/mm.h>
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#include <linux/blkdev.h>
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#include <linux/ioport.h>
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#include <linux/dma-mapping.h>
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#include <linux/slab.h>
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#include <asm/page.h>
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#include <asm/pgtable.h>
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#include <asm/irq.h>
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#include <asm/hardware.h>
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#include <asm/parisc-device.h>
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#include <asm/delay.h>
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#include <scsi/scsi_host.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_transport.h>
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#include <scsi/scsi_transport_spi.h>
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#include "53c700.h"
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MODULE_AUTHOR("James Bottomley");
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MODULE_DESCRIPTION("lasi700 SCSI Driver");
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MODULE_LICENSE("GPL");
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#define LASI_700_SVERSION 0x00071
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#define LASI_710_SVERSION 0x00082
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#define LASI700_ID_TABLE { \
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.hw_type = HPHW_FIO, \
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.sversion = LASI_700_SVERSION, \
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.hversion = HVERSION_ANY_ID, \
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.hversion_rev = HVERSION_REV_ANY_ID, \
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}
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#define LASI710_ID_TABLE { \
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.hw_type = HPHW_FIO, \
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.sversion = LASI_710_SVERSION, \
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.hversion = HVERSION_ANY_ID, \
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.hversion_rev = HVERSION_REV_ANY_ID, \
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}
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#define LASI700_CLOCK 25
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#define LASI710_CLOCK 40
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#define LASI_SCSI_CORE_OFFSET 0x100
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static const struct parisc_device_id lasi700_ids[] __initconst = {
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LASI700_ID_TABLE,
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LASI710_ID_TABLE,
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{ 0 }
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};
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static struct scsi_host_template lasi700_template = {
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.name = "LASI SCSI 53c700",
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.proc_name = "lasi700",
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.this_id = 7,
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.module = THIS_MODULE,
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};
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MODULE_DEVICE_TABLE(parisc, lasi700_ids);
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static int __init
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lasi700_probe(struct parisc_device *dev)
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{
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unsigned long base = dev->hpa.start + LASI_SCSI_CORE_OFFSET;
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struct NCR_700_Host_Parameters *hostdata;
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struct Scsi_Host *host;
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hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
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if (!hostdata) {
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dev_printk(KERN_ERR, &dev->dev, "Failed to allocate host data\n");
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return -ENOMEM;
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}
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hostdata->dev = &dev->dev;
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dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
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hostdata->base = ioremap_nocache(base, 0x100);
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hostdata->differential = 0;
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if (dev->id.sversion == LASI_700_SVERSION) {
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hostdata->clock = LASI700_CLOCK;
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hostdata->force_le_on_be = 1;
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} else {
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hostdata->clock = LASI710_CLOCK;
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hostdata->force_le_on_be = 0;
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hostdata->chip710 = 1;
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hostdata->dmode_extra = DMODE_FC2;
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hostdata->burst_length = 8;
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}
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host = NCR_700_detect(&lasi700_template, hostdata, &dev->dev);
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if (!host)
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goto out_kfree;
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host->this_id = 7;
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host->base = base;
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host->irq = dev->irq;
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if(request_irq(dev->irq, NCR_700_intr, IRQF_SHARED, "lasi700", host)) {
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printk(KERN_ERR "lasi700: request_irq failed!\n");
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goto out_put_host;
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}
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dev_set_drvdata(&dev->dev, host);
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scsi_scan_host(host);
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return 0;
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out_put_host:
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scsi_host_put(host);
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out_kfree:
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iounmap(hostdata->base);
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kfree(hostdata);
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return -ENODEV;
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}
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static int __exit
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lasi700_driver_remove(struct parisc_device *dev)
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{
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struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
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struct NCR_700_Host_Parameters *hostdata =
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(struct NCR_700_Host_Parameters *)host->hostdata[0];
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scsi_remove_host(host);
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NCR_700_release(host);
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free_irq(host->irq, host);
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iounmap(hostdata->base);
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kfree(hostdata);
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return 0;
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}
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static struct parisc_driver lasi700_driver __refdata = {
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.name = "lasi_scsi",
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.id_table = lasi700_ids,
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.probe = lasi700_probe,
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.remove = __exit_p(lasi700_driver_remove),
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};
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static int __init
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lasi700_init(void)
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{
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return register_parisc_driver(&lasi700_driver);
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}
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static void __exit
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lasi700_exit(void)
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{
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unregister_parisc_driver(&lasi700_driver);
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}
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module_init(lasi700_init);
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module_exit(lasi700_exit);
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