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/*

 * Detection routine for the NCR53c710 based Amiga SCSI Controllers for Linux.

 *              Amiga MacroSystemUS WarpEngine SCSI controller.

 *              Amiga Technologies A4000T 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.

 */

#include <linux/types.h>

#include <linux/mm.h>

#include <linux/blk.h>

#include <linux/sched.h>

#include <linux/version.h>

#include <linux/config.h>

#include <linux/zorro.h>

#include <linux/stat.h>

#include <asm/setup.h>

#include <asm/page.h>

#include <asm/pgtable.h>

#include <asm/amigaints.h>

#include <asm/amigahw.h>

#include <asm/irq.h>

#include "scsi.h"

#include "hosts.h"

#include "53c7xx.h"

#include "amiga7xx.h"

static int amiga7xx_register_one(Scsi_Host_Template *tpnt,

                                 unsigned long address)

{

    long long options;

    int clock;

    if (!request_mem_region(address, 0x1000, "ncr53c710"))

        return 0;

    address = (unsigned long)z_ioremap(address, 0x1000);

    options = OPTION_MEMORY_MAPPED | OPTION_DEBUG_TEST1 | OPTION_INTFLY |

              OPTION_SYNCHRONOUS | OPTION_ALWAYS_SYNCHRONOUS |

              OPTION_DISCONNECT;

    clock = 50000000;   /* 50 MHz SCSI Clock */

    ncr53c7xx_init(tpnt, 0, 710, address, 0, IRQ_AMIGA_PORTS, DMA_NONE,

                   options, clock);

    return 1;

}

#ifdef CONFIG_ZORRO

static struct {

    zorro_id id;

    unsigned long offset;

    int absolute;       /* offset is absolute address */

} amiga7xx_table[] = {

    { .id = ZORRO_PROD_PHASE5_BLIZZARD_603E_PLUS, .offset = 0xf40000,

      .absolute = 1 },

    { .id = ZORRO_PROD_MACROSYSTEMS_WARP_ENGINE_40xx, .offset = 0x40000 },

    { .id = ZORRO_PROD_CBM_A4091_1, .offset = 0x800000 },

    { .id = ZORRO_PROD_CBM_A4091_2, .offset = 0x800000 },

    { .id = ZORRO_PROD_GVP_GFORCE_040_060, .offset = 0x40000 },

    { 0 }

};

static int __init amiga7xx_zorro_detect(Scsi_Host_Template *tpnt)

{

    int num = 0, i;

    struct zorro_dev *z = NULL;

    unsigned long address;

    while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {

        for (i = 0; amiga7xx_table[i].id; i++)

            if (z->id == amiga7xx_table[i].id)

                break;

        if (!amiga7xx_table[i].id)

            continue;

        if (amiga7xx_table[i].absolute)

            address = amiga7xx_table[i].offset;

        else

            address = z->resource.start + amiga7xx_table[i].offset;

        num += amiga7xx_register_one(tpnt, address);

    }

    return num;

}

#endif /* CONFIG_ZORRO */

int __init amiga7xx_detect(Scsi_Host_Template *tpnt)

{

    static unsigned char called = 0;

    int num = 0;

    if (called || !MACH_IS_AMIGA)

        return 0;

    tpnt->proc_name = "Amiga7xx";

    if (AMIGAHW_PRESENT(A4000_SCSI))

        num += amiga7xx_register_one(tpnt, 0xdd0040);

#ifdef CONFIG_ZORRO

    num += amiga7xx_zorro_detect(tpnt);

#endif

    called = 1;

    return num;

}

static Scsi_Host_Template driver_template = AMIGA7XX_SCSI;

#include "scsi_module.c"