From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/scsi/sni_53c710.c | 129 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 drivers/scsi/sni_53c710.c

(limited to 'drivers/scsi/sni_53c710.c')

diff --git a/drivers/scsi/sni_53c710.c b/drivers/scsi/sni_53c710.c
new file mode 100644
index 000000000..678651b9b
--- /dev/null
+++ b/drivers/scsi/sni_53c710.c
@@ -0,0 +1,129 @@
+// 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);
-- 
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