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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 (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) */