fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-sparc / apc.h
blob24e9a7d4d97e0f05f1a64179f7f8e5879dc316c1
1 /* apc - Driver definitions for power management functions
2 * of Aurora Personality Chip (APC) on SPARCstation-4/5 and
3 * derivatives
5 * Copyright (c) 2001 Eric Brower (ebrower@usa.net)
7 */
9 #ifndef _SPARC_APC_H
10 #define _SPARC_APC_H
12 #include <linux/ioctl.h>
14 #define APC_IOC 'A'
16 #define APCIOCGFANCTL _IOR(APC_IOC, 0x00, int) /* Get fan speed */
17 #define APCIOCSFANCTL _IOW(APC_IOC, 0x01, int) /* Set fan speed */
19 #define APCIOCGCPWR _IOR(APC_IOC, 0x02, int) /* Get CPOWER state */
20 #define APCIOCSCPWR _IOW(APC_IOC, 0x03, int) /* Set CPOWER state */
22 #define APCIOCGBPORT _IOR(APC_IOC, 0x04, int) /* Get BPORT state */
23 #define APCIOCSBPORT _IOW(APC_IOC, 0x05, int) /* Set BPORT state */
26 * Register offsets
28 #define APC_IDLE_REG 0x00
29 #define APC_FANCTL_REG 0x20
30 #define APC_CPOWER_REG 0x24
31 #define APC_BPORT_REG 0x30
33 #define APC_REGMASK 0x01
34 #define APC_BPMASK 0x03
37 * IDLE - CPU standby values (set to initiate standby)
39 #define APC_IDLE_ON 0x01
42 * FANCTL - Fan speed control state values
44 #define APC_FANCTL_HI 0x00 /* Fan speed high */
45 #define APC_FANCTL_LO 0x01 /* Fan speed low */
48 * CPWR - Convenience power outlet state values
50 #define APC_CPOWER_ON 0x00 /* Conv power on */
51 #define APC_CPOWER_OFF 0x01 /* Conv power off */
54 * BPA/BPB - Read-Write "Bit Ports" state values (reset to 0 at power-on)
56 * WARNING: Internal usage of bit ports is platform dependent--
57 * don't modify BPORT settings unless you know what you are doing.
59 * On SS5 BPA seems to toggle onboard ethernet loopback... -E
61 #define APC_BPORT_A 0x01 /* Bit Port A */
62 #define APC_BPORT_B 0x02 /* Bit Port B */
64 #endif /* !(_SPARC_APC_H) */