1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* apc - Driver definitions for power management functions 3 * of Aurora Personality Chip (APC) on SPARCstation-4/5 and 4 * derivatives 5 * 6 * Copyright (c) 2001 Eric Brower (ebrower@usa.net) 7 * 8 */ 9 10 #ifndef _SPARC_APC_H 11 #define _SPARC_APC_H 12 13 #include <linux/ioctl.h> 14 15 #define APC_IOC 'A' 16 17 #define APCIOCGFANCTL _IOR(APC_IOC, 0x00, int) /* Get fan speed */ 18 #define APCIOCSFANCTL _IOW(APC_IOC, 0x01, int) /* Set fan speed */ 19 20 #define APCIOCGCPWR _IOR(APC_IOC, 0x02, int) /* Get CPOWER state */ 21 #define APCIOCSCPWR _IOW(APC_IOC, 0x03, int) /* Set CPOWER state */ 22 23 #define APCIOCGBPORT _IOR(APC_IOC, 0x04, int) /* Get BPORT state */ 24 #define APCIOCSBPORT _IOW(APC_IOC, 0x05, int) /* Set BPORT state */ 25 26 /* 27 * Register offsets 28 */ 29 #define APC_IDLE_REG 0x00 30 #define APC_FANCTL_REG 0x20 31 #define APC_CPOWER_REG 0x24 32 #define APC_BPORT_REG 0x30 33 34 #define APC_REGMASK 0x01 35 #define APC_BPMASK 0x03 36 37 /* 38 * IDLE - CPU standby values (set to initiate standby) 39 */ 40 #define APC_IDLE_ON 0x01 41 42 /* 43 * FANCTL - Fan speed control state values 44 */ 45 #define APC_FANCTL_HI 0x00 /* Fan speed high */ 46 #define APC_FANCTL_LO 0x01 /* Fan speed low */ 47 48 /* 49 * CPWR - Convenience power outlet state values 50 */ 51 #define APC_CPOWER_ON 0x00 /* Conv power on */ 52 #define APC_CPOWER_OFF 0x01 /* Conv power off */ 53 54 /* 55 * BPA/BPB - Read-Write "Bit Ports" state values (reset to 0 at power-on) 56 * 57 * WARNING: Internal usage of bit ports is platform dependent-- 58 * don't modify BPORT settings unless you know what you are doing. 59 * 60 * On SS5 BPA seems to toggle onboard ethernet loopback... -E 61 */ 62 #define APC_BPORT_A 0x01 /* Bit Port A */ 63 #define APC_BPORT_B 0x02 /* Bit Port B */ 64 65 #endif /* !(_SPARC_APC_H) */