66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/* apc - Driver definitions for power management functions
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* of Aurora Personality Chip (APC) on SPARCstation-4/5 and
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* derivatives
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*
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* Copyright (c) 2001 Eric Brower (ebrower@usa.net)
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*
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*/
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#ifndef _SPARC_APC_H
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#define _SPARC_APC_H
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#include <linux/ioctl.h>
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#define APC_IOC 'A'
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#define APCIOCGFANCTL _IOR(APC_IOC, 0x00, int) /* Get fan speed */
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#define APCIOCSFANCTL _IOW(APC_IOC, 0x01, int) /* Set fan speed */
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#define APCIOCGCPWR _IOR(APC_IOC, 0x02, int) /* Get CPOWER state */
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#define APCIOCSCPWR _IOW(APC_IOC, 0x03, int) /* Set CPOWER state */
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#define APCIOCGBPORT _IOR(APC_IOC, 0x04, int) /* Get BPORT state */
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#define APCIOCSBPORT _IOW(APC_IOC, 0x05, int) /* Set BPORT state */
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/*
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* Register offsets
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*/
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#define APC_IDLE_REG 0x00
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#define APC_FANCTL_REG 0x20
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#define APC_CPOWER_REG 0x24
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#define APC_BPORT_REG 0x30
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#define APC_REGMASK 0x01
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#define APC_BPMASK 0x03
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/*
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* IDLE - CPU standby values (set to initiate standby)
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*/
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#define APC_IDLE_ON 0x01
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/*
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* FANCTL - Fan speed control state values
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*/
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#define APC_FANCTL_HI 0x00 /* Fan speed high */
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#define APC_FANCTL_LO 0x01 /* Fan speed low */
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/*
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* CPWR - Convenience power outlet state values
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*/
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#define APC_CPOWER_ON 0x00 /* Conv power on */
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#define APC_CPOWER_OFF 0x01 /* Conv power off */
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/*
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* BPA/BPB - Read-Write "Bit Ports" state values (reset to 0 at power-on)
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*
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* WARNING: Internal usage of bit ports is platform dependent--
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* don't modify BPORT settings unless you know what you are doing.
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*
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* On SS5 BPA seems to toggle onboard ethernet loopback... -E
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*/
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#define APC_BPORT_A 0x01 /* Bit Port A */
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#define APC_BPORT_B 0x02 /* Bit Port B */
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#endif /* !(_SPARC_APC_H) */
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