^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* -*- mode: c; c-basic-offset: 8 -*- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) /* SNI RM driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) **-----------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) **
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) **
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) **-----------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * Based on lasi700.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <asm/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <scsi/scsi_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <scsi/scsi_transport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <scsi/scsi_transport_spi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include "53c700.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) MODULE_AUTHOR("Thomas Bogendörfer");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) MODULE_ALIAS("platform:snirm_53c710");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define SNIRM710_CLOCK 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static struct scsi_host_template snirm710_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .name = "SNI RM SCSI 53c710",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .proc_name = "snirm_53c710",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .this_id = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static int snirm710_probe(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) unsigned long base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct NCR_700_Host_Parameters *hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct Scsi_Host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) res = platform_get_resource(dev, IORESOURCE_MEM, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if (!res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) base = res->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) if (!hostdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) hostdata->dev = &dev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) hostdata->base = ioremap(base, 0x100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) hostdata->differential = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) hostdata->clock = SNIRM710_CLOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) hostdata->force_le_on_be = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) hostdata->chip710 = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) hostdata->burst_length = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) host = NCR_700_detect(&snirm710_template, hostdata, &dev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) if (!host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) goto out_kfree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) host->this_id = 7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) host->base = base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) host->irq = rc = platform_get_irq(dev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) goto out_put_host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if(request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "snirm710", host)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) printk(KERN_ERR "snirm710: request_irq failed!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) goto out_put_host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) dev_set_drvdata(&dev->dev, host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) scsi_scan_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) out_put_host:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) scsi_host_put(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) out_kfree:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) iounmap(hostdata->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) kfree(hostdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static int snirm710_driver_remove(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct NCR_700_Host_Parameters *hostdata =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) (struct NCR_700_Host_Parameters *)host->hostdata[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) scsi_remove_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) NCR_700_release(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) free_irq(host->irq, host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) iounmap(hostdata->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) kfree(hostdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) static struct platform_driver snirm710_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .probe = snirm710_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .remove = snirm710_driver_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .name = "snirm_53c710",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) module_platform_driver(snirm710_driver);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags