initial import of NetBSD tree

1 files changed, 115 insertions, 0 deletions

diff --git a/sys/dev/ic/ncr5380var.h b/sys/dev/ic/ncr5380var.h
new file mode 100644
index 00000000000..df0cb788df8
--- /dev/null
+++ b/sys/dev/ic/ncr5380var.h
@@ -0,0 +1,115 @@
+/*	$NetBSD: ncr5380var.h,v 1.3 1995/09/26 19:24:26 thorpej Exp $	*/
+
+/*
+ * Copyright (C) 1994 Adam Glass, Gordon W. Ross
+ * Copyright (C) 1993	Allen K. Briggs, Chris P. Caputo,
+ *			Michael L. Finch, Bradley A. Grantham, and
+ *			Lawrence A. Kesteloot
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the Alice Group.
+ * 4. The names of the Alice Group or any of its members may not be used
+ *    to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define SCI_PHASE_DISC		0	/* sort of ... */
+#define SCI_CLR_INTR(regs)	((volatile)(regs->sci_iack))
+#define SCI_ACK(ptr,phase)	(ptr)->sci_tcmd = (phase)
+#define SCSI_TIMEOUT_VAL	1000000
+#define WAIT_FOR_NOT_REQ(ptr) {	\
+	int scsi_timeout = SCSI_TIMEOUT_VAL; \
+	while ( ((ptr)->sci_bus_csr & SCI_BUS_REQ) && \
+		 ((ptr)->sci_bus_csr & SCI_BUS_REQ) && \
+		 ((ptr)->sci_bus_csr & SCI_BUS_REQ) && \
+		 (--scsi_timeout) ); \
+	if (!scsi_timeout) { \
+		printf("scsi timeout--WAIT_FOR_NOT_REQ---%s, line %d.\n", \
+			__FILE__, __LINE__); \
+		goto scsi_timeout_error; \
+	} \
+	}
+#define WAIT_FOR_REQ(ptr) {	\
+	int scsi_timeout = SCSI_TIMEOUT_VAL; \
+	while ( (((ptr)->sci_bus_csr & SCI_BUS_REQ) == 0) && \
+		(((ptr)->sci_bus_csr & SCI_BUS_REQ) == 0) && \
+		(((ptr)->sci_bus_csr & SCI_BUS_REQ) == 0) && \
+		 (--scsi_timeout) ); \
+	if (!scsi_timeout) { \
+		printf("scsi timeout--WAIT_FOR_REQ---%s, line %d.\n", \
+			__FILE__, __LINE__); \
+		goto scsi_timeout_error; \
+	} \
+	}
+#define WAIT_FOR_BSY(ptr) {	\
+	int scsi_timeout = SCSI_TIMEOUT_VAL; \
+	while ( (((ptr)->sci_bus_csr & SCI_BUS_BSY) == 0) && \
+		(((ptr)->sci_bus_csr & SCI_BUS_BSY) == 0) && \
+		(((ptr)->sci_bus_csr & SCI_BUS_BSY) == 0) && \
+		 (--scsi_timeout) ); \
+	if (!scsi_timeout) { \
+		printf("scsi timeout--WAIT_FOR_BSY---%s, line %d.\n", \
+			__FILE__, __LINE__); \
+		goto scsi_timeout_error; \
+	} \
+	}
+
+#define ARBITRATION_RETRIES 1000
+
+#ifndef DDB
+#define Debugger() panic("Should call Debugger here %s:%d", \
+			 __FILE__, __LINE__)
+#endif /* ! DDB */
+
+struct ncr5380_softc {
+	struct device	sc_dev;
+	struct intrhand	sc_ih;	/* interrupt info */
+	volatile void	*sc_regs;
+	int		sc_adapter_type;
+	int		sc_adapter_iv_am; /* int. vec + address modifier */
+	struct scsi_link sc_link;
+};
+
+static int	ncr5380_reset_scsibus __P((struct ncr5380_softc *));
+static int	ncr5380_poll __P((int, int));
+static void	ncr5380_sbc_intr __P((struct ncr5380_softc *));
+static int	ncr5380_send_cmd __P((struct scsi_xfer *));
+static int	ncr5380_scsi_cmd __P((struct scsi_xfer *));
+static int	ncr5380_data_in __P((sci_regmap_t *, int, int, u_char *));
+static int	ncr5380_data_out __P((sci_regmap_t *, int, int, u_char *));
+static int	ncr5380_select_target __P((volatile sci_regmap_t *, u_char,
+					   u_char, int));
+static int	ncr5380_command_transfer __P((volatile sci_regmap_t *, int,
+					      u_char *, u_char *, u_char *));
+static int	ncr5380_data_transfer __P((volatile sci_regmap_t *, int,
+					   u_char *, u_char *, u_char *));
+static int	ncr5380_dorequest __P((struct ncr5380_softc *, int, int,
+				       u_char *, int, char *, int, int *));
+
+static int	ncr5380_generic __P((void *, int, int, struct scsi_generic *,
+				     int, void *, int));
+static int	ncr5380_group0 __P((void *, int, int, int, int, int,
+				    int, caddr_t, int));
+
+