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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * Definitions for talking to the PMU. The PMU is a microcontroller4 * which controls battery charging and system power on PowerBook 34005 * and 2400 models as well as the RTC and various other things.6 *7 * Copyright (C) 1998 Paul Mackerras.8 */9 10#ifndef _UAPI_LINUX_PMU_H11#define _UAPI_LINUX_PMU_H12 13#define PMU_DRIVER_VERSION 214 15/*16 * PMU commands17 */18#define PMU_POWER_CTRL0 0x10 /* control power of some devices */19#define PMU_POWER_CTRL 0x11 /* control power of some devices */20#define PMU_ADB_CMD 0x20 /* send ADB packet */21#define PMU_ADB_POLL_OFF 0x21 /* disable ADB auto-poll */22#define PMU_WRITE_XPRAM 0x32 /* write eXtended Parameter RAM */23#define PMU_WRITE_NVRAM 0x33 /* write non-volatile RAM */24#define PMU_READ_XPRAM 0x3a /* read eXtended Parameter RAM */25#define PMU_READ_NVRAM 0x3b /* read non-volatile RAM */26#define PMU_SET_RTC 0x30 /* set real-time clock */27#define PMU_READ_RTC 0x38 /* read real-time clock */28#define PMU_SET_VOLBUTTON 0x40 /* set volume up/down position */29#define PMU_BACKLIGHT_BRIGHT 0x41 /* set backlight brightness */30#define PMU_GET_VOLBUTTON 0x48 /* get volume up/down position */31#define PMU_PCEJECT 0x4c /* eject PC-card from slot */32#define PMU_BATTERY_STATE 0x6b /* report battery state etc. */33#define PMU_SMART_BATTERY_STATE 0x6f /* report battery state (new way) */34#define PMU_SET_INTR_MASK 0x70 /* set PMU interrupt mask */35#define PMU_INT_ACK 0x78 /* read interrupt bits */36#define PMU_SHUTDOWN 0x7e /* turn power off */37#define PMU_CPU_SPEED 0x7d /* control CPU speed on some models */38#define PMU_SLEEP 0x7f /* put CPU to sleep */39#define PMU_POWER_EVENTS 0x8f /* Send power-event commands to PMU */40#define PMU_I2C_CMD 0x9a /* I2C operations */41#define PMU_RESET 0xd0 /* reset CPU */42#define PMU_GET_BRIGHTBUTTON 0xd9 /* report brightness up/down pos */43#define PMU_GET_COVER 0xdc /* report cover open/closed */44#define PMU_SYSTEM_READY 0xdf /* tell PMU we are awake */45#define PMU_GET_VERSION 0xea /* read the PMU version */46 47/* Bits to use with the PMU_POWER_CTRL0 command */48#define PMU_POW0_ON 0x80 /* OR this to power ON the device */49#define PMU_POW0_OFF 0x00 /* leave bit 7 to 0 to power it OFF */50#define PMU_POW0_HARD_DRIVE 0x04 /* Hard drive power (on wallstreet/lombard ?) */51 52/* Bits to use with the PMU_POWER_CTRL command */53#define PMU_POW_ON 0x80 /* OR this to power ON the device */54#define PMU_POW_OFF 0x00 /* leave bit 7 to 0 to power it OFF */55#define PMU_POW_BACKLIGHT 0x01 /* backlight power */56#define PMU_POW_CHARGER 0x02 /* battery charger power */57#define PMU_POW_IRLED 0x04 /* IR led power (on wallstreet) */58#define PMU_POW_MEDIABAY 0x08 /* media bay power (wallstreet/lombard ?) */59 60/* Bits in PMU interrupt and interrupt mask bytes */61#define PMU_INT_PCEJECT 0x04 /* PC-card eject buttons */62#define PMU_INT_SNDBRT 0x08 /* sound/brightness up/down buttons */63#define PMU_INT_ADB 0x10 /* ADB autopoll or reply data */64#define PMU_INT_BATTERY 0x20 /* Battery state change */65#define PMU_INT_ENVIRONMENT 0x40 /* Environment interrupts */66#define PMU_INT_TICK 0x80 /* 1-second tick interrupt */67 68/* Other bits in PMU interrupt valid when PMU_INT_ADB is set */69#define PMU_INT_ADB_AUTO 0x04 /* ADB autopoll, when PMU_INT_ADB */70#define PMU_INT_WAITING_CHARGER 0x01 /* ??? */71#define PMU_INT_AUTO_SRQ_POLL 0x02 /* ??? */72 73/* Bits in the environement message (either obtained via PMU_GET_COVER,74 * or via PMU_INT_ENVIRONMENT on core99 */75#define PMU_ENV_LID_CLOSED 0x01 /* The lid is closed */76 77/* I2C related definitions */78#define PMU_I2C_MODE_SIMPLE 079#define PMU_I2C_MODE_STDSUB 180#define PMU_I2C_MODE_COMBINED 281 82#define PMU_I2C_BUS_STATUS 083#define PMU_I2C_BUS_SYSCLK 184#define PMU_I2C_BUS_POWER 285 86#define PMU_I2C_STATUS_OK 087#define PMU_I2C_STATUS_DATAREAD 188#define PMU_I2C_STATUS_BUSY 0xfe89 90 91/* Kind of PMU (model) */92enum {93 PMU_UNKNOWN,94 PMU_OHARE_BASED, /* 2400, 3400, 3500 (old G3 powerbook) */95 PMU_HEATHROW_BASED, /* PowerBook G3 series */96 PMU_PADDINGTON_BASED, /* 1999 PowerBook G3 */97 PMU_KEYLARGO_BASED, /* Core99 motherboard (PMU99) */98 PMU_68K_V1, /* Unused/deprecated */99 PMU_68K_V2, /* Unused/deprecated */100};101 102/* PMU PMU_POWER_EVENTS commands */103enum {104 PMU_PWR_GET_POWERUP_EVENTS = 0x00,105 PMU_PWR_SET_POWERUP_EVENTS = 0x01,106 PMU_PWR_CLR_POWERUP_EVENTS = 0x02,107 PMU_PWR_GET_WAKEUP_EVENTS = 0x03,108 PMU_PWR_SET_WAKEUP_EVENTS = 0x04,109 PMU_PWR_CLR_WAKEUP_EVENTS = 0x05,110};111 112/* Power events wakeup bits */113enum {114 PMU_PWR_WAKEUP_KEY = 0x01, /* Wake on key press */115 PMU_PWR_WAKEUP_AC_INSERT = 0x02, /* Wake on AC adapter plug */116 PMU_PWR_WAKEUP_AC_CHANGE = 0x04,117 PMU_PWR_WAKEUP_LID_OPEN = 0x08,118 PMU_PWR_WAKEUP_RING = 0x10,119};120 121/*122 * Ioctl commands for the /dev/pmu device123 */124#include <linux/ioctl.h>125 126/* no param */127#define PMU_IOC_SLEEP _IO('B', 0)128/* out param: u32* backlight value: 0 to 15 */129#define PMU_IOC_GET_BACKLIGHT _IOR('B', 1, size_t)130/* in param: u32 backlight value: 0 to 15 */131#define PMU_IOC_SET_BACKLIGHT _IOW('B', 2, size_t)132/* out param: u32* PMU model */133#define PMU_IOC_GET_MODEL _IOR('B', 3, size_t)134/* out param: u32* has_adb: 0 or 1 */135#define PMU_IOC_HAS_ADB _IOR('B', 4, size_t) 136/* out param: u32* can_sleep: 0 or 1 */137#define PMU_IOC_CAN_SLEEP _IOR('B', 5, size_t) 138/* no param, but historically was _IOR('B', 6, 0), meaning 4 bytes */139#define PMU_IOC_GRAB_BACKLIGHT _IOR('B', 6, size_t) 140 141 142#endif /* _UAPI_LINUX_PMU_H */143