/* * 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 <linux/version.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(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 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"