Mostly sync to NetBSD-current 970804.

Apologies if this breaks anyone else using the MI ESP driver...

1 files changed, 100 insertions, 0 deletions

diff --git a/sys/dev/ic/intersil7170.h b/sys/dev/ic/intersil7170.h
new file mode 100644
index 00000000000..1611894c720
--- /dev/null
+++ b/sys/dev/ic/intersil7170.h
@@ -0,0 +1,100 @@
+/*	$OpenBSD: intersil7170.h,v 1.1 1997/08/08 08:13:04 downsj Exp $	*/
+/*	$NetBSD: intersil7170.h,v 1.1 1997/05/02 06:15:28 jeremy Exp $	*/
+
+/*-
+ * Copyright (c) 1996 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Adam Glass.
+ *
+ * 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 NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+#ifndef	_INTERSIL7170_H
+#define	_INTERSIL7170_H
+
+/*
+ * Driver support for the intersil7170 used in sun[34]s to provide
+ * real time clock and time-of-day support.
+ *
+ * Derived from: datasheet "ICM7170 a uP-Compatible Real-Time Clock"
+ *                          document #301680-005, Dec 85
+ */
+
+struct intersil_dt {		       /* from p. 7 of 10 */
+    u_int8_t dt_csec;
+    u_int8_t dt_hour;
+    u_int8_t dt_min;
+    u_int8_t dt_sec;
+    u_int8_t dt_month;
+    u_int8_t dt_day;
+    u_int8_t dt_year;
+    u_int8_t dt_dow;
+};
+
+struct intersil7170 {
+    struct intersil_dt counters;
+    struct intersil_dt clk_ram;	/* should be ok as both are word aligned */
+    u_int8_t clk_intr_reg;
+    u_int8_t clk_cmd_reg;
+};
+
+/*  bit assignments for command register, p. 6 of 10, write-only */
+#define INTERSIL_CMD_FREQ_32K    0x0
+#define INTERSIL_CMD_FREQ_1M     0x1
+#define INTERSIL_CMD_FREQ_2M     0x2
+#define INTERSIL_CMD_FREQ_4M     0x3
+
+#define INTERSIL_CMD_12HR_MODE   0x0
+#define INTERSIL_CMD_24HR_MODE   0x4
+
+#define INTERSIL_CMD_STOP        0x0
+#define INTERSIL_CMD_RUN         0x8
+
+#define INTERSIL_CMD_IDISABLE   0x0
+#define INTERSIL_CMD_IENABLE   0x10
+
+#define INTERSIL_CMD_TEST_MODE      0x20
+#define INTERSIL_CMD_NORMAL_MODE    0x0
+
+/* bit assignments for interrupt register r/w, p 7 of 10*/
+
+#define INTERSIL_INTER_ALARM       0x1 /* r/w */
+#define INTERSIL_INTER_CSECONDS    0x2 /* r/w */
+#define INTERSIL_INTER_DSECONDS    0x4 /* r/w */
+#define INTERSIL_INTER_SECONDS     0x8 /* r/w */
+#define INTERSIL_INTER_MINUTES    0x10 /* r/w */
+#define INTERSIL_INTER_HOURS      0x20 /* r/w */
+#define INTERSIL_INTER_DAYS       0x40 /* r/w */
+#define INTERSIL_INTER_PENDING    0x80 /* read-only */
+
+#define INTERSIL_INTER_BITS "\20\10PENDING\7DAYS\6HRS\5MIN\4SCDS\3DSEC\2CSEC\1ALARM"
+
+#endif	/* _INTERSIL7170_H */