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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* apc - Driver definitions for power management functions
* of Aurora Personality Chip (APC) on SPARCstation-4/5 and
* derivatives
*
* Copyright (c) 2001 Eric Brower ([email protected])
*
*/
#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) */
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