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-rw-r--r--drivers/scsi/gvp11.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/scsi/gvp11.h b/drivers/scsi/gvp11.h
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+++ b/drivers/scsi/gvp11.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef GVP11_H
+
+/* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $
+ *
+ * Header file for the GVP Series II SCSI controller for Linux
+ *
+ * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info
+ * based on a2091.h (C) 1993 by Hamish Macdonald
+ *
+ */
+
+#include <linux/types.h>
+
+#ifndef CMD_PER_LUN
+#define CMD_PER_LUN 2
+#endif
+
+#ifndef CAN_QUEUE
+#define CAN_QUEUE 16
+#endif
+
+/*
+ * if the transfer address ANDed with this results in a non-zero
+ * result, then we can't use DMA.
+ */
+#define GVP11_XFER_MASK (0xff000001)
+
+struct gvp11_scsiregs {
+ unsigned char pad1[64];
+ volatile unsigned short CNTR;
+ unsigned char pad2[31];
+ volatile unsigned char SASR;
+ unsigned char pad3;
+ volatile unsigned char SCMD;
+ unsigned char pad4[4];
+ volatile unsigned short BANK;
+ unsigned char pad5[6];
+ volatile unsigned long ACR;
+ volatile unsigned short secret1; /* store 0 here */
+ volatile unsigned short ST_DMA;
+ volatile unsigned short SP_DMA;
+ volatile unsigned short secret2; /* store 1 here */
+ volatile unsigned short secret3; /* store 15 here */
+};
+
+/* bits in CNTR */
+#define GVP11_DMAC_BUSY (1<<0)
+#define GVP11_DMAC_INT_PENDING (1<<1)
+#define GVP11_DMAC_INT_ENABLE (1<<3)
+#define GVP11_DMAC_DIR_WRITE (1<<4)
+
+#endif /* GVP11_H */