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/usr/src/linux-headers-5.15.0-181/arch/sparc/include/uapi/asm/

/usr/src/linux-headers-5.15.0-181/arch/sparc/include/uapi/asm

Name	Size	Mode	Actions
apc.h	1745	0644	edit dl rm
asi.h	15367	0644	edit dl rm
auxvec.h	348	0644	edit dl rm
bitsperlong.h	324	0644	edit dl rm
byteorder.h	191	0644	edit dl rm
display7seg.h	1945	0644	edit dl rm
envctrl.h	3494	0644	edit dl rm
errno.h	5539	0644	edit dl rm
fbio.h	7904	0644	edit dl rm
fcntl.h	1790	0644	edit dl rm
ioctl.h	2646	0644	edit dl rm
ioctls.h	6133	0644	edit dl rm
ipcbuf.h	808	0644	edit dl rm
Kbuild	89	0644	edit dl rm
mman.h	1008	0644	edit dl rm
msgbuf.h	1218	0644	edit dl rm
openpromio.h	2166	0644	edit dl rm
oradax.h	2013	0644	edit dl rm
param.h	253	0644	edit dl rm
perfctr.h	5695	0644	edit dl rm
poll.h	273	0644	edit dl rm
posix_types.h	1768	0644	edit dl rm
psr.h	2267	0644	edit dl rm
psrcompat.h	2070	0644	edit dl rm
pstate.h	6427	0644	edit dl rm
ptrace.h	8222	0644	edit dl rm
resource.h	770	0644	edit dl rm
sembuf.h	896	0644	edit dl rm
setup.h	310	0644	edit dl rm
shmbuf.h	1383	0644	edit dl rm
sigcontext.h	167	0644	edit dl rm
siginfo.h	390	0644	edit dl rm
signal.h	4703	0644	edit dl rm
socket.h	3872	0644	edit dl rm
stat.h	2005	0644	edit dl rm
swab.h	1034	0644	edit dl rm
termbits.h	6761	0644	edit dl rm
termios.h	1071	0644	edit dl rm
traps.h	5271	0644	edit dl rm
uctx.h	1420	0644	edit dl rm
unistd.h	904	0644	edit dl rm
utrap.h	1541	0644	edit dl rm
watchdog.h	1029	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/sparc/include/uapi/asm/apc.h (1745B)

/* 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) */

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