/* 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 (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) */