projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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> | |
| 1da177e4 LT |
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 | ||
| d0be4a7d | 24 | int mvme16x_scsi_detect(struct scsi_host_template *tpnt) |
| 1da177e4 LT |
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 | ||
| d0be4a7d | 64 | static struct scsi_host_template driver_template = { |
| 1da177e4 LT |
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" |