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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | // SPDX-License-Identifier: GPL-2.0-or-later /* SNI RM driver * * Copyright (C) 2001 by James.Bottomley@HansenPartnership.com **----------------------------------------------------------------------------- ** ** **----------------------------------------------------------------------------- */ /* * 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/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; int rc; res = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!res) return -ENODEV; base = res->start; hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL); if (!hostdata) return -ENOMEM; hostdata->dev = &dev->dev; dma_set_mask(&dev->dev, DMA_BIT_MASK(32)); hostdata->base = ioremap(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 = rc = platform_get_irq(dev, 0); if (rc < 0) goto out_put_host; 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 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", }, }; module_platform_driver(snirm710_driver); |