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