Initial Spring 2016 commit.

kern/dev/lamebus/ltimer.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
+ *	The President and Fellows of Harvard College.
+ *
+ * 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. Neither the name of the University 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 UNIVERSITY 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 UNIVERSITY 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 _LAMEBUS_LTIMER_H_
+#define _LAMEBUS_LTIMER_H_
+
+struct timespec;
+
+/*
+ * Hardware device data for LAMEbus timer device
+ */
+struct ltimer_softc {
+	/* Initialized by config function */
+	int lt_hardclock;        /* true if we should call hardclock() */
+	int lt_timerclock;        /* true if we should call timerclock() */
+
+	/* Initialized by lower-level attach routine */
+	void *lt_bus;		/* bus we're on */
+	uint32_t lt_buspos;	/* position (slot) on that bus */
+};
+
+/* Functions called by lower-level drivers */
+void ltimer_irq(/*struct ltimer_softc*/ void *lt);  // interrupt handler
+
+/* Functions called by higher-level devices */
+void ltimer_beep(/*struct ltimer_softc*/ void *devdata);   // for beep device
+void ltimer_gettime(/*struct ltimer_softc*/ void *devdata,
+		    struct timespec *ts);     	    // for rtclock
+
+#endif /* _LAMEBUS_LTIMER_H_ */