patch-1.3.94 linux/drivers/scsi/a2091.h

• Lines: 108
• Date: Fri Apr 5 15:15:07 1996
• Orig file: v1.3.93/linux/drivers/scsi/a2091.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.93/linux/drivers/scsi/a2091.h linux/drivers/scsi/a2091.h
@@ -0,0 +1,107 @@
+#ifndef A2091_H
+
+/* $Id: a2091.h,v 1.3 1996/03/12 20:41:46 root Exp root $
+ *
+ * Header file for the Commodore A2091 Zorro II SCSI controller for Linux
+ *
+ * Written and (C) 1993, Hamish Macdonald, see a2091.c for more info
+ *
+ */
+
+#include <linux/types.h>
+
+int a2091_detect(Scsi_Host_Template *);
+const char *wd33c93_info(void);
+int wd33c93_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
+int wd33c93_abort(Scsi_Cmnd *);
+int wd33c93_reset(Scsi_Cmnd *);
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+#ifndef CMD_PER_LUN
+#define CMD_PER_LUN 2
+#endif
+
+#ifndef CAN_QUEUE
+#define CAN_QUEUE 16
+#endif
+
+#ifdef HOSTS_C
+
+extern struct proc_dir_entry proc_scsi_a2091;
+
+#define A2091_SCSI {  /* next */                NULL,            \
+		      /* usage_count */         NULL,	         \
+		      /* proc_dir_entry */      &proc_scsi_a2091, \
+		      /* proc_info */           NULL,            \
+		      /* name */                "Commodore A2091/A590 SCSI", \
+		      /* detect */              a2091_detect,    \
+		      /* release */             NULL,            \
+		      /* info */                NULL,	         \
+		      /* command */             NULL,            \
+		      /* queuecommand */        wd33c93_queuecommand, \
+		      /* abort */               wd33c93_abort,   \
+		      /* reset */               wd33c93_reset,   \
+		      /* slave_attach */        NULL,            \
+		      /* bios_param */          NULL, 	         \
+		      /* can_queue */           CAN_QUEUE,       \
+		      /* this_id */             7,               \
+		      /* sg_tablesize */        SG_ALL,          \
+		      /* cmd_per_lun */	        CMD_PER_LUN,     \
+		      /* present */             0,               \
+		      /* unchecked_isa_dma */   0,               \
+		      /* use_clustering */      DISABLE_CLUSTERING }
+#else
+
+/*
+ * if the transfer address ANDed with this results in a non-zero
+ * result, then we can't use DMA.
+ */ 
+#define A2091_XFER_MASK  (0xff000001)
+
+typedef struct {
+             unsigned char      pad1[64];
+    volatile unsigned short     ISTR;
+    volatile unsigned short     CNTR;
+             unsigned char      pad2[60];
+    volatile unsigned int       WTC;
+    volatile unsigned long      ACR;
+             unsigned char      pad3[6];
+    volatile unsigned short     DAWR;
+             unsigned char      pad4;
+    volatile unsigned char      SASR;
+             unsigned char      pad5;
+    volatile unsigned char      SCMD;
+             unsigned char      pad6[76];
+    volatile unsigned short     ST_DMA;
+    volatile unsigned short     SP_DMA;
+    volatile unsigned short     CINT;
+             unsigned char      pad7[2];
+    volatile unsigned short     FLUSH;
+} a2091_scsiregs;
+
+#define DAWR_A2091		(3)
+
+/* CNTR bits. */
+#define CNTR_TCEN		(1<<7)
+#define CNTR_PREST		(1<<6)
+#define CNTR_PDMD		(1<<5)
+#define CNTR_INTEN		(1<<4)
+#define CNTR_DDIR		(1<<3)
+
+/* ISTR bits. */
+#define ISTR_INTX		(1<<8)
+#define ISTR_INT_F		(1<<7)
+#define ISTR_INTS		(1<<6)
+#define ISTR_E_INT		(1<<5)
+#define ISTR_INT_P		(1<<4)
+#define ISTR_UE_INT		(1<<3)
+#define ISTR_OE_INT		(1<<2)
+#define ISTR_FF_FLG		(1<<1)
+#define ISTR_FE_FLG		(1<<0)
+
+#endif /* else def HOSTS_C */
+
+#endif /* A2091_H */