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