^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Detection routine for the NCR53c710 based Amiga SCSI Controllers for Linux.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Amiga MacroSystemUS WarpEngine SCSI controller.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Amiga Technologies/DKB A4091 SCSI controller.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Written 1997 by Alan Hourihane <alanh@fairlite.demon.co.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * plus modifications of the 53c7xx.c driver to support the Amiga.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Rewritten to use 53c700.c by Kars de Jong <jongk@linux-m68k.org>
^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) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/zorro.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm/amigahw.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <asm/amigaints.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <scsi/scsi_transport_spi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include "53c700.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) MODULE_AUTHOR("Alan Hourihane <alanh@fairlite.demon.co.uk> / Kars de Jong <jongk@linux-m68k.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) MODULE_DESCRIPTION("Amiga Zorro NCR53C710 driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static struct scsi_host_template zorro7xx_scsi_driver_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) .proc_name = "zorro7xx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) .this_id = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static struct zorro_driver_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) unsigned long offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int absolute; /* offset is absolute address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) } zorro7xx_driver_data[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) { .name = "PowerUP 603e+", .offset = 0xf40000, .absolute = 1 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) { .name = "WarpEngine 40xx", .offset = 0x40000 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) { .name = "A4091", .offset = 0x800000 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) { .name = "GForce 040/060", .offset = 0x40000 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) { 0 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static struct zorro_device_id zorro7xx_zorro_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .id = ZORRO_PROD_PHASE5_BLIZZARD_603E_PLUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .driver_data = (unsigned long)&zorro7xx_driver_data[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .id = ZORRO_PROD_MACROSYSTEMS_WARP_ENGINE_40xx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .driver_data = (unsigned long)&zorro7xx_driver_data[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .id = ZORRO_PROD_CBM_A4091_1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .driver_data = (unsigned long)&zorro7xx_driver_data[2],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .id = ZORRO_PROD_CBM_A4091_2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .driver_data = (unsigned long)&zorro7xx_driver_data[2],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .id = ZORRO_PROD_GVP_GFORCE_040_060,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .driver_data = (unsigned long)&zorro7xx_driver_data[3],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) { 0 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) MODULE_DEVICE_TABLE(zorro, zorro7xx_zorro_tbl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static int zorro7xx_init_one(struct zorro_dev *z,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) const struct zorro_device_id *ent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct Scsi_Host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct NCR_700_Host_Parameters *hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct zorro_driver_data *zdd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) unsigned long board, ioaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) board = zorro_resource_start(z);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) zdd = (struct zorro_driver_data *)ent->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) if (zdd->absolute) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) ioaddr = zdd->offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) ioaddr = board + zdd->offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (!zorro_request_device(z, zdd->name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) printk(KERN_ERR "zorro7xx: cannot reserve region 0x%lx, abort\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) board);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) hostdata = kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (!hostdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) printk(KERN_ERR "zorro7xx: Failed to allocate host data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) goto out_release;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) /* Fill in the required pieces of hostdata */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) if (ioaddr > 0x01000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) hostdata->base = ioremap(ioaddr, zorro_resource_len(z));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) hostdata->base = ZTWO_VADDR(ioaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) hostdata->clock = 50;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) hostdata->chip710 = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) /* Settings for at least WarpEngine 40xx */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) hostdata->ctest7_extra = CTEST7_TT1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) zorro7xx_scsi_driver_template.name = zdd->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) /* and register the chip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) host = NCR_700_detect(&zorro7xx_scsi_driver_template, hostdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) &z->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) if (!host) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) printk(KERN_ERR "zorro7xx: No host detected; "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) "board configuration problem?\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) host->this_id = 7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) host->base = ioaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) host->irq = IRQ_AMIGA_PORTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "zorro7xx-scsi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) host)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) printk(KERN_ERR "zorro7xx: request_irq failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) goto out_put_host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) zorro_set_drvdata(z, host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) scsi_scan_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) out_put_host:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) scsi_host_put(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) out_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (ioaddr > 0x01000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) iounmap(hostdata->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) kfree(hostdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) out_release:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) zorro_release_device(z);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static void zorro7xx_remove_one(struct zorro_dev *z)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct Scsi_Host *host = zorro_get_drvdata(z);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) scsi_remove_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) NCR_700_release(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) kfree(hostdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) free_irq(host->irq, host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) zorro_release_device(z);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static struct zorro_driver zorro7xx_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .name = "zorro7xx-scsi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .id_table = zorro7xx_zorro_tbl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .probe = zorro7xx_init_one,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .remove = zorro7xx_remove_one,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static int __init zorro7xx_scsi_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) return zorro_register_driver(&zorro7xx_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) static void __exit zorro7xx_scsi_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) zorro_unregister_driver(&zorro7xx_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) module_init(zorro7xx_scsi_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) module_exit(zorro7xx_scsi_exit);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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