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authorTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 14:45:25 -0500
committerTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 14:45:25 -0500
commitfcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 (patch)
tree22962a4387943edc841c72a4e636a068c66d58fd /drivers/scsi/a2091.h
downloadast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.zip
ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.tar.gz
Initial import of modified Linux 2.6.28 tree
Original upstream URL: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y
Diffstat (limited to 'drivers/scsi/a2091.h')
-rw-r--r--drivers/scsi/a2091.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/scsi/a2091.h b/drivers/scsi/a2091.h
new file mode 100644
index 0000000..fe809bc
--- /dev/null
+++ b/drivers/scsi/a2091.h
@@ -0,0 +1,72 @@
+#ifndef A2091_H
+#define A2091_H
+
+/* $Id: a2091.h,v 1.4 1997/01/19 23:07:09 davem Exp $
+ *
+ * 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(struct scsi_host_template *);
+int a2091_release(struct Scsi_Host *);
+
+#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 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 /* A2091_H */
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