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// SPDX-License-Identifier: GPL-2.0-only
/*
* Detection routine for the NCR53c710 based Amiga SCSI Controllers for Linux.
* Amiga MacroSystemUS WarpEngine SCSI controller.
* Amiga Technologies/DKB A4091 SCSI controller.
*
* Written 1997 by Alan Hourihane <alanh@fairlite.demon.co.uk>
* plus modifications of the 53c7xx.c driver to support the Amiga.
*
* Rewritten to use 53c700.c by Kars de Jong <jongk@linux-m68k.org>
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/zorro.h>
#include <linux/slab.h>
#include <asm/amigahw.h>
#include <asm/amigaints.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_spi.h>
#include "53c700.h"
MODULE_AUTHOR("Alan Hourihane <alanh@fairlite.demon.co.uk> / Kars de Jong <jongk@linux-m68k.org>");
MODULE_DESCRIPTION("Amiga Zorro NCR53C710 driver");
MODULE_LICENSE("GPL");
static struct scsi_host_template zorro7xx_scsi_driver_template = {
.proc_name = "zorro7xx",
.this_id = 7,
.module = THIS_MODULE,
};
static struct zorro_driver_data {
const char *name;
unsigned long offset;
int absolute; /* offset is absolute address */
} zorro7xx_driver_data[] = {
{ .name = "PowerUP 603e+", .offset = 0xf40000, .absolute = 1 },
{ .name = "WarpEngine 40xx", .offset = 0x40000 },
{ .name = "A4091", .offset = 0x800000 },
{ .name = "GForce 040/060", .offset = 0x40000 },
{ 0 }
};
static struct zorro_device_id zorro7xx_zorro_tbl[] = {
{
.id = ZORRO_PROD_PHASE5_BLIZZARD_603E_PLUS,
.driver_data = (unsigned long)&zorro7xx_driver_data[0],
},
{
.id = ZORRO_PROD_MACROSYSTEMS_WARP_ENGINE_40xx,
.driver_data = (unsigned long)&zorro7xx_driver_data[1],
},
{
.id = ZORRO_PROD_CBM_A4091_1,
.driver_data = (unsigned long)&zorro7xx_driver_data[2],
},
{
.id = ZORRO_PROD_CBM_A4091_2,
.driver_data = (unsigned long)&zorro7xx_driver_data[2],
},
{
.id = ZORRO_PROD_GVP_GFORCE_040_060,
.driver_data = (unsigned long)&zorro7xx_driver_data[3],
},
{ 0 }
};
MODULE_DEVICE_TABLE(zorro, zorro7xx_zorro_tbl);
static int zorro7xx_init_one(struct zorro_dev *z,
const struct zorro_device_id *ent)
{
struct Scsi_Host *host;
struct NCR_700_Host_Parameters *hostdata;
struct zorro_driver_data *zdd;
unsigned long board, ioaddr;
board = zorro_resource_start(z);
zdd = (struct zorro_driver_data *)ent->driver_data;
if (zdd->absolute) {
ioaddr = zdd->offset;
} else {
ioaddr = board + zdd->offset;
}
if (!zorro_request_device(z, zdd->name)) {
printk(KERN_ERR "zorro7xx: cannot reserve region 0x%lx, abort\n",
board);
return -EBUSY;
}
hostdata = kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
if (!hostdata) {
printk(KERN_ERR "zorro7xx: Failed to allocate host data\n");
goto out_release;
}
/* Fill in the required pieces of hostdata */
if (ioaddr > 0x01000000)
hostdata->base = ioremap(ioaddr, zorro_resource_len(z));
else
hostdata->base = ZTWO_VADDR(ioaddr);
hostdata->clock = 50;
hostdata->chip710 = 1;
/* Settings for at least WarpEngine 40xx */
hostdata->ctest7_extra = CTEST7_TT1;
zorro7xx_scsi_driver_template.name = zdd->name;
/* and register the chip */
host = NCR_700_detect(&zorro7xx_scsi_driver_template, hostdata,
&z->dev);
if (!host) {
printk(KERN_ERR "zorro7xx: No host detected; "
"board configuration problem?\n");
goto out_free;
}
host->this_id = 7;
host->base = ioaddr;
host->irq = IRQ_AMIGA_PORTS;
if (request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "zorro7xx-scsi",
host)) {
printk(KERN_ERR "zorro7xx: request_irq failed\n");
goto out_put_host;
}
zorro_set_drvdata(z, host);
scsi_scan_host(host);
return 0;
out_put_host:
scsi_host_put(host);
out_free:
if (ioaddr > 0x01000000)
iounmap(hostdata->base);
kfree(hostdata);
out_release:
zorro_release_device(z);
return -ENODEV;
}
static void zorro7xx_remove_one(struct zorro_dev *z)
{
struct Scsi_Host *host = zorro_get_drvdata(z);
struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
scsi_remove_host(host);
NCR_700_release(host);
if (host->base > 0x01000000)
iounmap(hostdata->base);
kfree(hostdata);
free_irq(host->irq, host);
zorro_release_device(z);
}
static struct zorro_driver zorro7xx_driver = {
.name = "zorro7xx-scsi",
.id_table = zorro7xx_zorro_tbl,
.probe = zorro7xx_init_one,
.remove = zorro7xx_remove_one,
};
static int __init zorro7xx_scsi_init(void)
{
return zorro_register_driver(&zorro7xx_driver);
}
static void __exit zorro7xx_scsi_exit(void)
{
zorro_unregister_driver(&zorro7xx_driver);
}
module_init(zorro7xx_scsi_init);
module_exit(zorro7xx_scsi_exit);
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