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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note *//* * Definitions for talking to the PMU. The PMU is a microcontroller * which controls battery charging and system power on PowerBook 3400 * and 2400 models as well as the RTC and various other things. * * Copyright (C) 1998 Paul Mackerras. */
#ifndef _UAPI_LINUX_PMU_H#define _UAPI_LINUX_PMU_H
#define PMU_DRIVER_VERSION 2
/* * PMU commands */#define PMU_POWER_CTRL0 0x10 /* control power of some devices */#define PMU_POWER_CTRL 0x11 /* control power of some devices */#define PMU_ADB_CMD 0x20 /* send ADB packet */#define PMU_ADB_POLL_OFF 0x21 /* disable ADB auto-poll */#define PMU_WRITE_XPRAM 0x32 /* write eXtended Parameter RAM */#define PMU_WRITE_NVRAM 0x33 /* write non-volatile RAM */#define PMU_READ_XPRAM 0x3a /* read eXtended Parameter RAM */#define PMU_READ_NVRAM 0x3b /* read non-volatile RAM */#define PMU_SET_RTC 0x30 /* set real-time clock */#define PMU_READ_RTC 0x38 /* read real-time clock */#define PMU_SET_VOLBUTTON 0x40 /* set volume up/down position */#define PMU_BACKLIGHT_BRIGHT 0x41 /* set backlight brightness */#define PMU_GET_VOLBUTTON 0x48 /* get volume up/down position */#define PMU_PCEJECT 0x4c /* eject PC-card from slot */#define PMU_BATTERY_STATE 0x6b /* report battery state etc. */#define PMU_SMART_BATTERY_STATE 0x6f /* report battery state (new way) */#define PMU_SET_INTR_MASK 0x70 /* set PMU interrupt mask */#define PMU_INT_ACK 0x78 /* read interrupt bits */#define PMU_SHUTDOWN 0x7e /* turn power off */#define PMU_CPU_SPEED 0x7d /* control CPU speed on some models */#define PMU_SLEEP 0x7f /* put CPU to sleep */#define PMU_POWER_EVENTS 0x8f /* Send power-event commands to PMU */#define PMU_I2C_CMD 0x9a /* I2C operations */#define PMU_RESET 0xd0 /* reset CPU */#define PMU_GET_BRIGHTBUTTON 0xd9 /* report brightness up/down pos */#define PMU_GET_COVER 0xdc /* report cover open/closed */#define PMU_SYSTEM_READY 0xdf /* tell PMU we are awake */#define PMU_GET_VERSION 0xea /* read the PMU version */
/* Bits to use with the PMU_POWER_CTRL0 command */#define PMU_POW0_ON 0x80 /* OR this to power ON the device */#define PMU_POW0_OFF 0x00 /* leave bit 7 to 0 to power it OFF */#define PMU_POW0_HARD_DRIVE 0x04 /* Hard drive power (on wallstreet/lombard ?) */
/* Bits to use with the PMU_POWER_CTRL command */#define PMU_POW_ON 0x80 /* OR this to power ON the device */#define PMU_POW_OFF 0x00 /* leave bit 7 to 0 to power it OFF */#define PMU_POW_BACKLIGHT 0x01 /* backlight power */#define PMU_POW_CHARGER 0x02 /* battery charger power */#define PMU_POW_IRLED 0x04 /* IR led power (on wallstreet) */#define PMU_POW_MEDIABAY 0x08 /* media bay power (wallstreet/lombard ?) */
/* Bits in PMU interrupt and interrupt mask bytes */#define PMU_INT_PCEJECT 0x04 /* PC-card eject buttons */#define PMU_INT_SNDBRT 0x08 /* sound/brightness up/down buttons */#define PMU_INT_ADB 0x10 /* ADB autopoll or reply data */#define PMU_INT_BATTERY 0x20 /* Battery state change */#define PMU_INT_ENVIRONMENT 0x40 /* Environment interrupts */#define PMU_INT_TICK 0x80 /* 1-second tick interrupt */
/* Other bits in PMU interrupt valid when PMU_INT_ADB is set */#define PMU_INT_ADB_AUTO 0x04 /* ADB autopoll, when PMU_INT_ADB */#define PMU_INT_WAITING_CHARGER 0x01 /* ??? */#define PMU_INT_AUTO_SRQ_POLL 0x02 /* ??? */
/* Bits in the environement message (either obtained via PMU_GET_COVER, * or via PMU_INT_ENVIRONMENT on core99 */#define PMU_ENV_LID_CLOSED 0x01 /* The lid is closed */
/* I2C related definitions */#define PMU_I2C_MODE_SIMPLE 0#define PMU_I2C_MODE_STDSUB 1#define PMU_I2C_MODE_COMBINED 2
#define PMU_I2C_BUS_STATUS 0#define PMU_I2C_BUS_SYSCLK 1#define PMU_I2C_BUS_POWER 2
#define PMU_I2C_STATUS_OK 0#define PMU_I2C_STATUS_DATAREAD 1#define PMU_I2C_STATUS_BUSY 0xfe
/* Kind of PMU (model) */enum { PMU_UNKNOWN, PMU_OHARE_BASED, /* 2400, 3400, 3500 (old G3 powerbook) */ PMU_HEATHROW_BASED, /* PowerBook G3 series */ PMU_PADDINGTON_BASED, /* 1999 PowerBook G3 */ PMU_KEYLARGO_BASED, /* Core99 motherboard (PMU99) */ PMU_68K_V1, /* Unused/deprecated */ PMU_68K_V2, /* Unused/deprecated */};
/* PMU PMU_POWER_EVENTS commands */enum { PMU_PWR_GET_POWERUP_EVENTS = 0x00, PMU_PWR_SET_POWERUP_EVENTS = 0x01, PMU_PWR_CLR_POWERUP_EVENTS = 0x02, PMU_PWR_GET_WAKEUP_EVENTS = 0x03, PMU_PWR_SET_WAKEUP_EVENTS = 0x04, PMU_PWR_CLR_WAKEUP_EVENTS = 0x05,};
/* Power events wakeup bits */enum { PMU_PWR_WAKEUP_KEY = 0x01, /* Wake on key press */ PMU_PWR_WAKEUP_AC_INSERT = 0x02, /* Wake on AC adapter plug */ PMU_PWR_WAKEUP_AC_CHANGE = 0x04, PMU_PWR_WAKEUP_LID_OPEN = 0x08, PMU_PWR_WAKEUP_RING = 0x10,}; /* * Ioctl commands for the /dev/pmu device */#include <linux/ioctl.h>
/* no param */#define PMU_IOC_SLEEP _IO('B', 0)/* out param: u32* backlight value: 0 to 15 */#define PMU_IOC_GET_BACKLIGHT _IOR('B', 1, size_t)/* in param: u32 backlight value: 0 to 15 */#define PMU_IOC_SET_BACKLIGHT _IOW('B', 2, size_t)/* out param: u32* PMU model */#define PMU_IOC_GET_MODEL _IOR('B', 3, size_t)/* out param: u32* has_adb: 0 or 1 */#define PMU_IOC_HAS_ADB _IOR('B', 4, size_t) /* out param: u32* can_sleep: 0 or 1 */#define PMU_IOC_CAN_SLEEP _IOR('B', 5, size_t) /* no param, but historically was _IOR('B', 6, 0), meaning 4 bytes */#define PMU_IOC_GRAB_BACKLIGHT _IOR('B', 6, size_t)
#endif /* _UAPI_LINUX_PMU_H */