1 files changed, 128 insertions, 0 deletions
diff --git a/usr/src/uts/sun4u/sys/grbeep.h b/usr/src/uts/sun4u/sys/grbeep.h
new file mode 100644
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+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2000-2002 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _SYS_GRBEEP_H
+#define	_SYS_GRBEEP_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * grbeep.h : Grover beep driver header file.
+ */
+
+/*
+ * beeper start and stop values
+ */
+#define	GRBEEP_START		0x03
+#define	GRBEEP_STOP		0x00
+
+/*
+ * beeper control register value
+ */
+#define	GRBEEP_CONTROL		0xb6
+
+/*
+ * beeper 8354 input frequency is 1.193 Mhz.
+ * The value to be written in the timer
+ * register is the frequency divisor.
+ * The formula to find freq. divisoer would be
+ *
+ * 	divisor = GRBEEP_INPUT_FREQ / freq
+ *
+ */
+#define	GRBEEP_INPUT_FREQ	1193000
+#define	GRBEEP_DIVISOR_MAX	1193000
+#define	GRBEEP_DIVISOR_MIN	18
+
+/* Mode values */
+#define	GRBEEP_ON		0x01
+#define	GRBEEP_OFF		0x00
+
+typedef volatile struct grbeep_freq_regs {
+
+	/* Frequency divisor register */
+	uint8_t		grbeep_freq_regs_divisor;
+
+	/* Freqquency control register */
+	uint8_t		grbeep_freq_regs_control;
+
+} grbeep_freq_regs_t;
+
+
+/*
+ * Beep driver state structure
+ */
+typedef struct grbeep_state {
+
+	/* Dip of grbeep device */
+	dev_info_t		*grbeep_dip;
+
+	/* Frequency control and frequency divisor registers */
+	grbeep_freq_regs_t	*grbeep_freq_regs;
+
+	/* Frequency control and frequency divisor reg handle */
+	ddi_acc_handle_t	grbeep_freq_regs_handle;
+
+	/* Beep start/stop register */
+	uint8_t			*grbeep_start_stop_reg;
+
+	/* Beep start/stop register handle */
+	ddi_acc_handle_t	grbeep_start_stop_reg_handle;
+
+	/* If beeper is active or not */
+	int			grbeep_mode;
+
+	/* Mutex for fields that are mutually exclusively accessible */
+	kmutex_t		grbeep_mutex;
+
+} grbeep_state_t;
+
+#define	GRBEEP_WRITE_FREQ_CONTROL_REG(val) \
+	ddi_put8(grbeeptr->grbeep_freq_regs_handle, \
+	((uint8_t *)&grbeeptr->grbeep_freq_regs->grbeep_freq_regs_control), \
+		((int8_t)(val)))
+
+#define	GRBEEP_WRITE_FREQ_DIVISOR_REG(val) \
+	ddi_put8(grbeeptr->grbeep_freq_regs_handle, \
+	((uint8_t *)&grbeeptr->grbeep_freq_regs->grbeep_freq_regs_divisor), \
+		((int8_t)(val)))
+
+#define	GRBEEP_WRITE_START_STOP_REG(val) \
+	ddi_put8(grbeeptr->grbeep_start_stop_reg_handle, \
+		((uint8_t *)grbeeptr->grbeep_start_stop_reg), \
+		((int8_t)(val)))
+
+#define	GRBEEP_UNIT(dev)	(getminor((dev)))
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_GRBEEP_H */