Add an apm interface to the tctrl(4) device found on SPARCbooks; currently

limited to power change events and battery status retrieval.

ok deraadt@ mickey@

2 files changed, 133 insertions, 1 deletions

diff --git a/sys/arch/sparc/include/apmvar.h b/sys/arch/sparc/include/apmvar.h
new file mode 100644
index 00000000000..44404357b8f
--- /dev/null
+++ b/sys/arch/sparc/include/apmvar.h
@@ -0,0 +1,124 @@
+/*	$OpenBSD: apmvar.h,v 1.1 2005/03/29 16:26:44 miod Exp $	*/
+
+/*
+ *  Copyright (c) 1995 John T. Kohl
+ *  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. 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.
+ * 
+ */
+#ifndef _MACHINE_APMVAR_H_
+#define _MACHINE_APMVAR_H_
+
+#include <sys/ioccom.h>
+
+/*
+ * This is a subset of the Advanced Power Management (v1.0 and v1.1
+ * specification) functions/defines/etc, covering the abilities of
+ * the tctrl driver.
+ */
+
+#define APM_POWER_STATUS	0x530a
+#define		APM_AC_OFF		0x00
+#define		APM_AC_ON		0x01
+#define		APM_AC_BACKUP		0x02
+#define		APM_AC_UNKNOWN		0xff
+#define		APM_BATT_HIGH		0x00
+#define		APM_BATT_LOW		0x01
+#define		APM_BATT_CRITICAL	0x02
+#define		APM_BATT_CHARGING	0x03
+#define		APM_BATT_UNKNOWN	0xff
+#define		APM_BATT_FLAG_HIGH	0x01
+#define		APM_BATT_FLAG_LOW	0x02
+#define		APM_BATT_FLAG_CRITICAL	0x04
+#define		APM_BATT_FLAG_CHARGING	0x08
+#define		APM_BATT_FLAG_NOBATTERY	0x10
+#define		APM_BATT_FLAG_NOSYSBATT	0x80
+#define		APM_BATT_LIFE_UNKNOWN	0xff
+
+#define	APM_GET_PM_EVENT	0x530b
+#define		APM_NOEVENT		0x0000
+#define		APM_STANDBY_REQ		0x0001 /* %bx on return */
+#define		APM_SUSPEND_REQ		0x0002
+#define		APM_NORMAL_RESUME	0x0003
+#define		APM_CRIT_RESUME		0x0004 /* suspend/resume happened
+						  without us */
+#define		APM_BATTERY_LOW		0x0005
+#define		APM_POWER_CHANGE	0x0006
+#define		APM_UPDATE_TIME		0x0007
+#define		APM_CRIT_SUSPEND_REQ	0x0008
+#define		APM_USER_STANDBY_REQ	0x0009
+#define		APM_USER_SUSPEND_REQ	0x000A
+#define		APM_SYS_STANDBY_RESUME	0x000B
+#define		APM_CAPABILITY_CHANGE	0x000C	/* apm v1.2 */
+
+#define		APM_EVENT_MASK		0xffff
+
+#define	APM_EVENT_COMPOSE(t,i)	((((i) & 0x7fff) << 16)|((t) & APM_EVENT_MASK))
+#define	APM_EVENT_TYPE(e)	((e) & APM_EVENT_MASK)
+#define	APM_EVENT_INDEX(e)	((e) >> 16)
+
+#define	APM_GET_POWER_STATE	0x530c
+
+/*
+ * LP (Laptop Package)
+ *
+ * Copyright (C) 1994 by HOSOKAWA Tatsumi <hosokawa@mt.cs.keio.ac.jp>
+ *
+ * This software may be used, modified, copied, and distributed, in
+ * both source and binary form provided that the above copyright and
+ * these terms are retained. Under no circumstances is the author 
+ * responsible for the proper functioning of this software, nor does 
+ * the author assume any responsibility for damages incurred with its 
+ * use.
+ *
+ * Sep., 1994	Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
+ */
+
+#define APM_BATTERY_ABSENT 4
+
+struct apm_power_info {
+	u_char battery_state;
+	u_char ac_state;
+	u_char battery_life;
+	u_char spare1;
+	u_int minutes_left;		/* estimate */
+	u_int spare2[6];
+};
+
+struct apm_ctl {
+	u_int dev;
+	u_int mode;
+};
+
+#define	APM_IOC_STANDBY	_IO('A', 1)	/* put system into standby */
+#define	APM_IOC_SUSPEND	_IO('A', 2)	/* put system into suspend */
+#define	APM_IOC_GETPOWER _IOR('A', 3, struct apm_power_info) /* fetch battery state */
+#define APM_IOC_PRN_CTL _IOW('A', 6, int) /* driver power status msg */
+#define		APM_PRINT_ON	0	/* driver power status displayed */
+#define		APM_PRINT_OFF	1	/* driver power status not displayed */
+#define		APM_PRINT_PCT	2	/* driver power status only displayed
+					   if the percentage changes */
+
+#endif /* _MACHINE_APMVAR_H_ */
diff --git a/sys/arch/sparc/include/conf.h b/sys/arch/sparc/include/conf.h
index ee7e8d4298c..ca6a9d746b3 100644
--- a/sys/arch/sparc/include/conf.h
+++ b/sys/arch/sparc/include/conf.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: conf.h,v 1.18 2003/09/23 16:51:11 millert Exp $	*/
+/*	$OpenBSD: conf.h,v 1.19 2005/03/29 16:26:44 miod Exp $	*/
 /*	$NetBSD: conf.h,v 1.8 1996/12/31 07:12:43 mrg Exp $	*/
 
 /*
@@ -105,3 +105,11 @@ cdev_decl(fga);
 	(dev_type_stop((*))) nullop, 0, seltrue, \
 	(dev_type_mmap((*))) enodev }
 cdev_decl(daadio);
+
+/* open, close, write, ioctl, kqueue */
+#define cdev_apm_init(c,n) { \
+        dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
+        (dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
+	(dev_type_stop((*))) enodev, 0, (dev_type_poll((*))) enodev, \
+	(dev_type_mmap((*))) enodev, D_KQFILTER, dev_init(c,n,kqfilter) }
+cdev_decl(apm);