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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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>
Linus Torvalds1da177e2005-04-16 15:20:36 -07009#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
Christoph Hellwigd0be4a7d2005-10-31 18:31:40 +010025int bvme6000_scsi_detect(struct scsi_host_template *tpnt)
Linus Torvalds1da177e2005-04-16 15:20:36 -070026{
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
Christoph Hellwigd0be4a7d2005-10-31 18:31:40 +010061static struct scsi_host_template driver_template = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 .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"