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) */