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path: root/drivers/scsi/mvme16x.c
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Diffstat (limited to 'drivers/scsi/mvme16x.c')
-rw-r--r--drivers/scsi/mvme16x.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/scsi/mvme16x.c b/drivers/scsi/mvme16x.c
new file mode 100644
index 00000000000..b2d8d8ea160
--- /dev/null
+++ b/drivers/scsi/mvme16x.c
@@ -0,0 +1,80 @@
+/*
+ * 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"