initial import of NetBSD tree

1 files changed, 76 insertions, 0 deletions

diff --git a/sys/arch/sparc/dev/fdvar.h b/sys/arch/sparc/dev/fdvar.h
new file mode 100644
index 00000000000..a538f2f1d5a
--- /dev/null
+++ b/sys/arch/sparc/dev/fdvar.h
@@ -0,0 +1,76 @@
+/*
+ *	$NetBSD: fdvar.h,v 1.3 1995/04/07 19:46:15 pk Exp $
+ *
+ * Copyright (c) 1995 Paul Kranenburg
+ * 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 Paul Kranenburg.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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	FDC_BSIZE	512
+#define	FDC_MAXIOSIZE	NBPG	/* XXX should be MAXBSIZE */
+
+#define FDC_NSTATUS	10
+
+#if !defined(LOCORE)
+struct fdcio {
+	/*
+	 * 82072 (sun4c) and 82077 (sun4m) controllers have different
+	 * register layout; so we cache some here.
+	 */
+	volatile u_int8_t	*fdcio_reg_msr;
+	volatile u_int8_t	*fdcio_reg_fifo;
+	volatile u_int8_t	*fdcio_reg_dor;	/* 82077 only */
+
+	/*
+	 * Interrupt state.
+	 */
+	int	fdcio_istate;
+
+	/*
+	 * IO state.
+	 */
+	char	*fdcio_data;		/* pseudo-dma data */
+	int	fdcio_tc;		/* pseudo-dma Terminal Count */
+	u_char	fdcio_status[FDC_NSTATUS];	/* copy of registers */
+	int	fdcio_nstat;		/* # of valid status bytes */
+
+	/*
+	 * Statictics.
+	 */
+	struct	evcnt	fdcio_intrcnt;
+};
+#endif /* LOCORE */
+
+/* istate values */
+#define ISTATE_IDLE		0	/* No HW interrupt expected */
+#define ISTATE_SPURIOUS		1	/* Spurious HW interrupt detected */
+#define ISTATE_SENSEI		2	/* Do SENSEI on next HW interrupt */
+#define ISTATE_DMA		3	/* Pseudo-DMA in progress */
+
+#define FDIOCEJECT	_IO('f', 24)
+