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129 lines
2.9 KiB
129 lines
2.9 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* SNI RM driver |
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* |
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* Copyright (C) 2001 by [email protected] |
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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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* Based on lasi700.c |
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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/slab.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/sched.h> |
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#include <linux/ioport.h> |
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#include <linux/dma-mapping.h> |
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#include <linux/platform_device.h> |
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#include <asm/page.h> |
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#include <asm/irq.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("Thomas Bogendörfer"); |
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MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver"); |
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MODULE_LICENSE("GPL"); |
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MODULE_ALIAS("platform:snirm_53c710"); |
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#define SNIRM710_CLOCK 32 |
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static struct scsi_host_template snirm710_template = { |
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.name = "SNI RM SCSI 53c710", |
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.proc_name = "snirm_53c710", |
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.this_id = 7, |
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.module = THIS_MODULE, |
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}; |
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static int snirm710_probe(struct platform_device *dev) |
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{ |
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unsigned long base; |
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struct NCR_700_Host_Parameters *hostdata; |
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struct Scsi_Host *host; |
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struct resource *res; |
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int rc; |
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res = platform_get_resource(dev, IORESOURCE_MEM, 0); |
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if (!res) |
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return -ENODEV; |
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base = res->start; |
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hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL); |
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if (!hostdata) |
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return -ENOMEM; |
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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(base, 0x100); |
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hostdata->differential = 0; |
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hostdata->clock = SNIRM710_CLOCK; |
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hostdata->force_le_on_be = 1; |
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hostdata->chip710 = 1; |
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hostdata->burst_length = 4; |
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host = NCR_700_detect(&snirm710_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 = rc = platform_get_irq(dev, 0); |
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if (rc < 0) |
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goto out_put_host; |
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if(request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "snirm710", host)) { |
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printk(KERN_ERR "snirm710: 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 snirm710_driver_remove(struct platform_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 platform_driver snirm710_driver = { |
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.probe = snirm710_probe, |
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.remove = snirm710_driver_remove, |
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.driver = { |
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.name = "snirm_53c710", |
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}, |
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}; |
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module_platform_driver(snirm710_driver);
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