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diff --git a/include/asm-sparc/apc.h b/include/asm-sparc/apc.h
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+/* apc - Driver definitions for power management functions
+ * of Aurora Personality Chip (APC) on SPARCstation-4/5 and
+ * derivatives
+ *
+ * Copyright (c) 2001 Eric Brower (ebrower@usa.net)
+ *
+ */
+
+#ifndef _SPARC_APC_H
+#define _SPARC_APC_H
+
+#include <linux/ioctl.h>
+
+#define APC_IOC 'A'
+
+#define APCIOCGFANCTL _IOR(APC_IOC, 0x00, int) /* Get fan speed */
+#define APCIOCSFANCTL _IOW(APC_IOC, 0x01, int) /* Set fan speed */
+
+#define APCIOCGCPWR _IOR(APC_IOC, 0x02, int) /* Get CPOWER state */
+#define APCIOCSCPWR _IOW(APC_IOC, 0x03, int) /* Set CPOWER state */
+
+#define APCIOCGBPORT _IOR(APC_IOC, 0x04, int) /* Get BPORT state */
+#define APCIOCSBPORT _IOW(APC_IOC, 0x05, int) /* Set BPORT state */
+
+/*
+ * Register offsets
+ */
+#define APC_IDLE_REG 0x00
+#define APC_FANCTL_REG 0x20
+#define APC_CPOWER_REG 0x24
+#define APC_BPORT_REG 0x30
+
+#define APC_REGMASK 0x01
+#define APC_BPMASK 0x03
+
+/*
+ * IDLE - CPU standby values (set to initiate standby)
+ */
+#define APC_IDLE_ON 0x01
+
+/*
+ * FANCTL - Fan speed control state values
+ */
+#define APC_FANCTL_HI 0x00 /* Fan speed high */
+#define APC_FANCTL_LO 0x01 /* Fan speed low */
+
+/*
+ * CPWR - Convenience power outlet state values
+ */
+#define APC_CPOWER_ON 0x00 /* Conv power on */
+#define APC_CPOWER_OFF 0x01 /* Conv power off */
+
+/*
+ * BPA/BPB - Read-Write "Bit Ports" state values (reset to 0 at power-on)
+ *
+ * WARNING: Internal usage of bit ports is platform dependent--
+ * don't modify BPORT settings unless you know what you are doing.
+ *
+ * On SS5 BPA seems to toggle onboard ethernet loopback... -E
+ */
+#define APC_BPORT_A 0x01 /* Bit Port A */
+#define APC_BPORT_B 0x02 /* Bit Port B */
+
+#endif /* !(_SPARC_APC_H) */