arch/sparc/include/uapi/asm/apc.h

   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) */