Commit | Line | Data |
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1da177e4 LT |
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> | |
1da177e4 LT |
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 | ||
d0be4a7d | 25 | int bvme6000_scsi_detect(struct scsi_host_template *tpnt) |
1da177e4 LT |
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 | ||
49 | static 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 | ||
d0be4a7d | 61 | static struct scsi_host_template driver_template = { |
1da177e4 LT |
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" |