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/*
* Detection routine for the NCR53c710 based MVME16x SCSI Controllers for Linux.
*
* Based on work by Alan Hourihane
*/
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/blkdev.h>
#include <linux/sched.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/mvme16xhw.h>
#include <asm/irq.h>
#include "scsi.h"
#include <scsi/scsi_host.h>
#include "53c7xx.h"
#include "mvme16x.h"
#include<linux/stat.h>
int mvme16x_scsi_detect(struct scsi_host_template *tpnt)
{
static unsigned char called = 0;
int clock;
long long options;
if (!MACH_IS_MVME16x)
return 0;
if (mvme16x_config & MVME16x_CONFIG_NO_SCSICHIP) {
printk ("SCSI detection disabled, SCSI chip not present\n");
return 0;
}
if (called)
return 0;
tpnt->proc_name = "MVME16x";
options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT;
clock = 66000000; /* 66MHz SCSI Clock */
ncr53c7xx_init(tpnt, 0, 710, (unsigned long)0xfff47000,
0, MVME16x_IRQ_SCSI, DMA_NONE,
options, clock);
called = 1;
return 1;
}
static int mvme16x_scsi_release(struct Scsi_Host *shost)
{
if (shost->irq)
free_irq(shost->irq, NULL);
if (shost->dma_channel != 0xff)
free_dma(shost->dma_channel);
if (shost->io_port && shost->n_io_port)
release_region(shost->io_port, shost->n_io_port);
scsi_unregister(shost);
return 0;
}
static struct scsi_host_template driver_template = {
.name = "MVME16x NCR53c710 SCSI",
.detect = mvme16x_scsi_detect,
.release = mvme16x_scsi_release,
.queuecommand = NCR53c7xx_queue_command,
.abort = NCR53c7xx_abort,
.reset = NCR53c7xx_reset,
.can_queue = 24,
.this_id = 7,
.sg_tablesize = 63,
.cmd_per_lun = 3,
.use_clustering = DISABLE_CLUSTERING
};
#include "scsi_module.c"
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