uapi/asm/apc.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 /* apc - Driver definitions for power management functions
0003  * of Aurora Personality Chip (APC) on SPARCstation-4/5 and
0004  * derivatives
0005  *
0006  * Copyright (c) 2001 Eric Brower (ebrower@usa.net)
0007  *
0008  */
0009
0010 #ifndef _SPARC_APC_H
0011 #define _SPARC_APC_H
0012
0013 #include <linux/ioctl.h>
0014
0015 #define APC_IOC 'A'
0016
0017 #define APCIOCGFANCTL _IOR(APC_IOC, 0x00, int)  /* Get fan speed    */
0018 #define APCIOCSFANCTL _IOW(APC_IOC, 0x01, int)  /* Set fan speed    */
0019
0020 #define APCIOCGCPWR   _IOR(APC_IOC, 0x02, int)  /* Get CPOWER state */
0021 #define APCIOCSCPWR   _IOW(APC_IOC, 0x03, int)  /* Set CPOWER state */
0022
0023 #define APCIOCGBPORT   _IOR(APC_IOC, 0x04, int) /* Get BPORT state  */
0024 #define APCIOCSBPORT   _IOW(APC_IOC, 0x05, int) /* Set BPORT state  */
0025
0026 /*
0027  * Register offsets
0028  */
0029 #define APC_IDLE_REG    0x00
0030 #define APC_FANCTL_REG  0x20
0031 #define APC_CPOWER_REG  0x24
0032 #define APC_BPORT_REG   0x30
0033
0034 #define APC_REGMASK     0x01
0035 #define APC_BPMASK      0x03
0036
0037 /*
0038  * IDLE - CPU standby values (set to initiate standby)
0039  */
0040 #define APC_IDLE_ON     0x01
0041
0042 /*
0043  * FANCTL - Fan speed control state values
0044  */
0045 #define APC_FANCTL_HI   0x00    /* Fan speed high   */
0046 #define APC_FANCTL_LO   0x01    /* Fan speed low    */
0047
0048 /*
0049  * CPWR - Convenience power outlet state values
0050  */
0051 #define APC_CPOWER_ON   0x00    /* Conv power on    */
0052 #define APC_CPOWER_OFF  0x01    /* Conv power off   */
0053
0054 /*
0055  * BPA/BPB - Read-Write "Bit Ports" state values (reset to 0 at power-on)
0056  *
0057  * WARNING: Internal usage of bit ports is platform dependent--
0058  * don't modify BPORT settings unless you know what you are doing.
0059  *
0060  * On SS5 BPA seems to toggle onboard ethernet loopback... -E
0061  */
0062 #define APC_BPORT_A     0x01    /* Bit Port A       */
0063 #define APC_BPORT_B     0x02    /* Bit Port B       */
0064
0065 #endif /* !(_SPARC_APC_H) */