1/*
2 * Detection routine for the NCR53c710 based BVME6000 SCSI Controllers for Linux.
3 *
4 * Based on work by Alan Hourihane
5 */
6#include <linux/types.h>
7#include <linux/mm.h>
8#include <linux/blkdev.h>
9#include <linux/zorro.h>
10
11#include <asm/setup.h>
12#include <asm/page.h>
13#include <asm/pgtable.h>
14#include <asm/bvme6000hw.h>
15#include <asm/irq.h>
16
17#include "scsi.h"
18#include <scsi/scsi_host.h>
19#include "53c7xx.h"
20#include "bvme6000.h"
21
22#include<linux/stat.h>
23
24
25int bvme6000_scsi_detect(struct scsi_host_template *tpnt)
26{
27    static unsigned char called = 0;
28    int clock;
29    long long options;
30
31    if (called)
32	return 0;
33    if (!MACH_IS_BVME6000)
34	return 0;
35
36    tpnt->proc_name = "BVME6000";
37
38    options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT;
39
40    clock = 40000000;	/* 66MHz SCSI Clock */
41
42    ncr53c7xx_init(tpnt, 0, 710, (unsigned long)BVME_NCR53C710_BASE,
43			0, BVME_IRQ_SCSI, DMA_NONE,
44			options, clock);
45    called = 1;
46    return 1;
47}
48
49static int bvme6000_scsi_release(struct Scsi_Host *shost)
50{
51	if (shost->irq)
52		free_irq(shost->irq, NULL);
53	if (shost->dma_channel != 0xff)
54		free_dma(shost->dma_channel);
55	if (shost->io_port && shost->n_io_port)
56		release_region(shost->io_port, shost->n_io_port);
57	scsi_unregister(shost);
58	return 0;
59}
60
61static struct scsi_host_template driver_template = {
62	.name			= "BVME6000 NCR53c710 SCSI",
63	.detect			= bvme6000_scsi_detect,
64	.release		= bvme6000_scsi_release,
65	.queuecommand		= NCR53c7xx_queue_command,
66	.abort			= NCR53c7xx_abort,
67	.reset			= NCR53c7xx_reset,
68	.can_queue		= 24,
69	.this_id		= 7,
70	.sg_tablesize		= 63,
71	.cmd_per_lun		= 3,
72	.use_clustering		= DISABLE_CLUSTERING
73};
74
75
76#include "scsi_module.c"
77