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