The C and C++ Include Header Files

/usr/include/linux/pmu.h


$ cat -n /usr/include/linux/pmu.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	/*
     3	 * Definitions for talking to the PMU.  The PMU is a microcontroller
     4	 * which controls battery charging and system power on PowerBook 3400
     5	 * and 2400 models as well as the RTC and various other things.
     6	 *
     7	 * Copyright (C) 1998 Paul Mackerras.
     8	 */
     9	
    10	#ifndef _LINUX_PMU_H
    11	#define _LINUX_PMU_H
    12	
    13	#define PMU_DRIVER_VERSION	2
    14	
    15	/*
    16	 * PMU commands
    17	 */
    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	0
    79	#define PMU_I2C_MODE_STDSUB	1
    80	#define PMU_I2C_MODE_COMBINED	2
    81	
    82	#define PMU_I2C_BUS_STATUS	0
    83	#define PMU_I2C_BUS_SYSCLK	1
    84	#define PMU_I2C_BUS_POWER	2
    85	
    86	#define PMU_I2C_STATUS_OK	0
    87	#define PMU_I2C_STATUS_DATAREAD	1
    88	#define PMU_I2C_STATUS_BUSY	0xfe
    89	
    90	
    91	/* Kind of PMU (model) */
    92	enum {
    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 */
   103	enum {
   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 */
   113	enum {
   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 device
   123	 */
   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 /* _LINUX_PMU_H */