[PATCH] CONFIG_PM=n slim: drivers/parport/parport_serial.c
[linux-2.6] / drivers / scsi / mvme16x.c
1 /*
2  * Detection routine for the NCR53c710 based MVME16x 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
11 #include <asm/page.h>
12 #include <asm/pgtable.h>
13 #include <asm/mvme16xhw.h>
14 #include <asm/irq.h>
15
16 #include "scsi.h"
17 #include <scsi/scsi_host.h>
18 #include "53c7xx.h"
19 #include "mvme16x.h"
20
21 #include<linux/stat.h>
22
23
24 int mvme16x_scsi_detect(struct scsi_host_template *tpnt)
25 {
26     static unsigned char called = 0;
27     int clock;
28     long long options;
29
30     if (!MACH_IS_MVME16x)
31                 return 0;
32     if (mvme16x_config & MVME16x_CONFIG_NO_SCSICHIP) {
33         printk ("SCSI detection disabled, SCSI chip not present\n");
34         return 0;
35     }
36     if (called)
37         return 0;
38
39     tpnt->proc_name = "MVME16x";
40
41     options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT;
42
43     clock = 66000000;   /* 66MHz SCSI Clock */
44
45     ncr53c7xx_init(tpnt, 0, 710, (unsigned long)0xfff47000,
46                         0, MVME16x_IRQ_SCSI, DMA_NONE,
47                         options, clock);
48     called = 1;
49     return 1;
50 }
51
52 static int mvme16x_scsi_release(struct Scsi_Host *shost)
53 {
54         if (shost->irq)
55                 free_irq(shost->irq, NULL);
56         if (shost->dma_channel != 0xff)
57                 free_dma(shost->dma_channel);
58         if (shost->io_port && shost->n_io_port)
59                 release_region(shost->io_port, shost->n_io_port);
60         scsi_unregister(shost);
61         return 0;
62 }
63
64 static struct scsi_host_template driver_template = {
65         .name                   = "MVME16x NCR53c710 SCSI",
66         .detect                 = mvme16x_scsi_detect,
67         .release                = mvme16x_scsi_release,
68         .queuecommand           = NCR53c7xx_queue_command,
69         .abort                  = NCR53c7xx_abort,
70         .reset                  = NCR53c7xx_reset,
71         .can_queue              = 24,
72         .this_id                = 7,
73         .sg_tablesize           = 63,
74         .cmd_per_lun            = 3,
75         .use_clustering         = DISABLE_CLUSTERING
76 };
77
78
79 #include "scsi_module.c"