| /* |
| * Detection routine for the NCR53c710 based MVME16x SCSI Controllers for Linux. |
| * |
| * Based on work by Alan Hourihane |
| */ |
| #include <linux/types.h> |
| #include <linux/mm.h> |
| #include <linux/blkdev.h> |
| #include <linux/sched.h> |
| |
| #include <asm/page.h> |
| #include <asm/pgtable.h> |
| #include <asm/mvme16xhw.h> |
| #include <asm/irq.h> |
| |
| #include "scsi.h" |
| #include <scsi/scsi_host.h> |
| #include "53c7xx.h" |
| #include "mvme16x.h" |
| |
| #include<linux/stat.h> |
| |
| |
| int mvme16x_scsi_detect(struct scsi_host_template *tpnt) |
| { |
| static unsigned char called = 0; |
| int clock; |
| long long options; |
| |
| if (!MACH_IS_MVME16x) |
| return 0; |
| if (mvme16x_config & MVME16x_CONFIG_NO_SCSICHIP) { |
| printk ("SCSI detection disabled, SCSI chip not present\n"); |
| return 0; |
| } |
| if (called) |
| return 0; |
| |
| tpnt->proc_name = "MVME16x"; |
| |
| options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT; |
| |
| clock = 66000000; /* 66MHz SCSI Clock */ |
| |
| ncr53c7xx_init(tpnt, 0, 710, (unsigned long)0xfff47000, |
| 0, MVME16x_IRQ_SCSI, DMA_NONE, |
| options, clock); |
| called = 1; |
| return 1; |
| } |
| |
| static int mvme16x_scsi_release(struct Scsi_Host *shost) |
| { |
| if (shost->irq) |
| free_irq(shost->irq, NULL); |
| if (shost->dma_channel != 0xff) |
| free_dma(shost->dma_channel); |
| if (shost->io_port && shost->n_io_port) |
| release_region(shost->io_port, shost->n_io_port); |
| scsi_unregister(shost); |
| return 0; |
| } |
| |
| static struct scsi_host_template driver_template = { |
| .name = "MVME16x NCR53c710 SCSI", |
| .detect = mvme16x_scsi_detect, |
| .release = mvme16x_scsi_release, |
| .queuecommand = NCR53c7xx_queue_command, |
| .abort = NCR53c7xx_abort, |
| .reset = NCR53c7xx_reset, |
| .can_queue = 24, |
| .this_id = 7, |
| .sg_tablesize = 63, |
| .cmd_per_lun = 3, |
| .use_clustering = DISABLE_CLUSTERING |
| }; |
| |
| |
| #include "scsi_module.c" |
