1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */ 295ffaba3SGraeme Russ #ifndef _LINUX_APM_H 395ffaba3SGraeme Russ #define _LINUX_APM_H 495ffaba3SGraeme Russ 595ffaba3SGraeme Russ /* 695ffaba3SGraeme Russ * Include file for the interface to an APM BIOS 795ffaba3SGraeme Russ * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au) 895ffaba3SGraeme Russ */ 995ffaba3SGraeme Russ 1095ffaba3SGraeme Russ #include <linux/types.h> 1195ffaba3SGraeme Russ 1295ffaba3SGraeme Russ typedef unsigned short apm_event_t; 1395ffaba3SGraeme Russ typedef unsigned short apm_eventinfo_t; 1495ffaba3SGraeme Russ 1595ffaba3SGraeme Russ struct apm_bios_info { 1695ffaba3SGraeme Russ __u16 version; 1795ffaba3SGraeme Russ __u16 cseg; 1895ffaba3SGraeme Russ __u32 offset; 1995ffaba3SGraeme Russ __u16 cseg_16; 2095ffaba3SGraeme Russ __u16 dseg; 2195ffaba3SGraeme Russ __u16 flags; 2295ffaba3SGraeme Russ __u16 cseg_len; 2395ffaba3SGraeme Russ __u16 cseg_16_len; 2495ffaba3SGraeme Russ __u16 dseg_len; 2595ffaba3SGraeme Russ }; 2695ffaba3SGraeme Russ 2795ffaba3SGraeme Russ #ifdef __KERNEL__ 2895ffaba3SGraeme Russ 2995ffaba3SGraeme Russ #define APM_CS (GDT_ENTRY_APMBIOS_BASE * 8) 3095ffaba3SGraeme Russ #define APM_CS_16 (APM_CS + 8) 3195ffaba3SGraeme Russ #define APM_DS (APM_CS_16 + 8) 3295ffaba3SGraeme Russ 3395ffaba3SGraeme Russ /* Results of APM Installation Check */ 3495ffaba3SGraeme Russ #define APM_16_BIT_SUPPORT 0x0001 3595ffaba3SGraeme Russ #define APM_32_BIT_SUPPORT 0x0002 3695ffaba3SGraeme Russ #define APM_IDLE_SLOWS_CLOCK 0x0004 3795ffaba3SGraeme Russ #define APM_BIOS_DISABLED 0x0008 3895ffaba3SGraeme Russ #define APM_BIOS_DISENGAGED 0x0010 3995ffaba3SGraeme Russ 4095ffaba3SGraeme Russ /* 4195ffaba3SGraeme Russ * Data for APM that is persistent across module unload/load 4295ffaba3SGraeme Russ */ 4395ffaba3SGraeme Russ struct apm_info { 4495ffaba3SGraeme Russ struct apm_bios_info bios; 4595ffaba3SGraeme Russ unsigned short connection_version; 4695ffaba3SGraeme Russ int get_power_status_broken; 4795ffaba3SGraeme Russ int get_power_status_swabinminutes; 4895ffaba3SGraeme Russ int allow_ints; 4995ffaba3SGraeme Russ int forbid_idle; 5095ffaba3SGraeme Russ int realmode_power_off; 5195ffaba3SGraeme Russ int disabled; 5295ffaba3SGraeme Russ }; 5395ffaba3SGraeme Russ 5495ffaba3SGraeme Russ /* 5595ffaba3SGraeme Russ * The APM function codes 5695ffaba3SGraeme Russ */ 5795ffaba3SGraeme Russ #define APM_FUNC_INST_CHECK 0x5300 5895ffaba3SGraeme Russ #define APM_FUNC_REAL_CONN 0x5301 5995ffaba3SGraeme Russ #define APM_FUNC_16BIT_CONN 0x5302 6095ffaba3SGraeme Russ #define APM_FUNC_32BIT_CONN 0x5303 6195ffaba3SGraeme Russ #define APM_FUNC_DISCONN 0x5304 6295ffaba3SGraeme Russ #define APM_FUNC_IDLE 0x5305 6395ffaba3SGraeme Russ #define APM_FUNC_BUSY 0x5306 6495ffaba3SGraeme Russ #define APM_FUNC_SET_STATE 0x5307 6595ffaba3SGraeme Russ #define APM_FUNC_ENABLE_PM 0x5308 6695ffaba3SGraeme Russ #define APM_FUNC_RESTORE_BIOS 0x5309 6795ffaba3SGraeme Russ #define APM_FUNC_GET_STATUS 0x530a 6895ffaba3SGraeme Russ #define APM_FUNC_GET_EVENT 0x530b 6995ffaba3SGraeme Russ #define APM_FUNC_GET_STATE 0x530c 7095ffaba3SGraeme Russ #define APM_FUNC_ENABLE_DEV_PM 0x530d 7195ffaba3SGraeme Russ #define APM_FUNC_VERSION 0x530e 7295ffaba3SGraeme Russ #define APM_FUNC_ENGAGE_PM 0x530f 7395ffaba3SGraeme Russ #define APM_FUNC_GET_CAP 0x5310 7495ffaba3SGraeme Russ #define APM_FUNC_RESUME_TIMER 0x5311 7595ffaba3SGraeme Russ #define APM_FUNC_RESUME_ON_RING 0x5312 7695ffaba3SGraeme Russ #define APM_FUNC_TIMER 0x5313 7795ffaba3SGraeme Russ 7895ffaba3SGraeme Russ /* 7995ffaba3SGraeme Russ * Function code for APM_FUNC_RESUME_TIMER 8095ffaba3SGraeme Russ */ 8195ffaba3SGraeme Russ #define APM_FUNC_DISABLE_TIMER 0 8295ffaba3SGraeme Russ #define APM_FUNC_GET_TIMER 1 8395ffaba3SGraeme Russ #define APM_FUNC_SET_TIMER 2 8495ffaba3SGraeme Russ 8595ffaba3SGraeme Russ /* 8695ffaba3SGraeme Russ * Function code for APM_FUNC_RESUME_ON_RING 8795ffaba3SGraeme Russ */ 8895ffaba3SGraeme Russ #define APM_FUNC_DISABLE_RING 0 8995ffaba3SGraeme Russ #define APM_FUNC_ENABLE_RING 1 9095ffaba3SGraeme Russ #define APM_FUNC_GET_RING 2 9195ffaba3SGraeme Russ 9295ffaba3SGraeme Russ /* 9395ffaba3SGraeme Russ * Function code for APM_FUNC_TIMER_STATUS 9495ffaba3SGraeme Russ */ 9595ffaba3SGraeme Russ #define APM_FUNC_TIMER_DISABLE 0 9695ffaba3SGraeme Russ #define APM_FUNC_TIMER_ENABLE 1 9795ffaba3SGraeme Russ #define APM_FUNC_TIMER_GET 2 9895ffaba3SGraeme Russ 9995ffaba3SGraeme Russ /* 10095ffaba3SGraeme Russ * in arch/i386/kernel/setup.c 10195ffaba3SGraeme Russ */ 10295ffaba3SGraeme Russ extern struct apm_info apm_info; 10395ffaba3SGraeme Russ 10495ffaba3SGraeme Russ #endif /* __KERNEL__ */ 10595ffaba3SGraeme Russ 10695ffaba3SGraeme Russ /* 10795ffaba3SGraeme Russ * Power states 10895ffaba3SGraeme Russ */ 10995ffaba3SGraeme Russ #define APM_STATE_READY 0x0000 11095ffaba3SGraeme Russ #define APM_STATE_STANDBY 0x0001 11195ffaba3SGraeme Russ #define APM_STATE_SUSPEND 0x0002 11295ffaba3SGraeme Russ #define APM_STATE_OFF 0x0003 11395ffaba3SGraeme Russ #define APM_STATE_BUSY 0x0004 11495ffaba3SGraeme Russ #define APM_STATE_REJECT 0x0005 11595ffaba3SGraeme Russ #define APM_STATE_OEM_SYS 0x0020 11695ffaba3SGraeme Russ #define APM_STATE_OEM_DEV 0x0040 11795ffaba3SGraeme Russ 11895ffaba3SGraeme Russ #define APM_STATE_DISABLE 0x0000 11995ffaba3SGraeme Russ #define APM_STATE_ENABLE 0x0001 12095ffaba3SGraeme Russ 12195ffaba3SGraeme Russ #define APM_STATE_DISENGAGE 0x0000 12295ffaba3SGraeme Russ #define APM_STATE_ENGAGE 0x0001 12395ffaba3SGraeme Russ 12495ffaba3SGraeme Russ /* 12595ffaba3SGraeme Russ * Events (results of Get PM Event) 12695ffaba3SGraeme Russ */ 12795ffaba3SGraeme Russ #define APM_SYS_STANDBY 0x0001 12895ffaba3SGraeme Russ #define APM_SYS_SUSPEND 0x0002 12995ffaba3SGraeme Russ #define APM_NORMAL_RESUME 0x0003 13095ffaba3SGraeme Russ #define APM_CRITICAL_RESUME 0x0004 13195ffaba3SGraeme Russ #define APM_LOW_BATTERY 0x0005 13295ffaba3SGraeme Russ #define APM_POWER_STATUS_CHANGE 0x0006 13395ffaba3SGraeme Russ #define APM_UPDATE_TIME 0x0007 13495ffaba3SGraeme Russ #define APM_CRITICAL_SUSPEND 0x0008 13595ffaba3SGraeme Russ #define APM_USER_STANDBY 0x0009 13695ffaba3SGraeme Russ #define APM_USER_SUSPEND 0x000a 13795ffaba3SGraeme Russ #define APM_STANDBY_RESUME 0x000b 13895ffaba3SGraeme Russ #define APM_CAPABILITY_CHANGE 0x000c 13995ffaba3SGraeme Russ 14095ffaba3SGraeme Russ /* 14195ffaba3SGraeme Russ * Error codes 14295ffaba3SGraeme Russ */ 14395ffaba3SGraeme Russ #define APM_SUCCESS 0x00 14495ffaba3SGraeme Russ #define APM_DISABLED 0x01 14595ffaba3SGraeme Russ #define APM_CONNECTED 0x02 14695ffaba3SGraeme Russ #define APM_NOT_CONNECTED 0x03 14795ffaba3SGraeme Russ #define APM_16_CONNECTED 0x05 14895ffaba3SGraeme Russ #define APM_16_UNSUPPORTED 0x06 14995ffaba3SGraeme Russ #define APM_32_CONNECTED 0x07 15095ffaba3SGraeme Russ #define APM_32_UNSUPPORTED 0x08 15195ffaba3SGraeme Russ #define APM_BAD_DEVICE 0x09 15295ffaba3SGraeme Russ #define APM_BAD_PARAM 0x0a 15395ffaba3SGraeme Russ #define APM_NOT_ENGAGED 0x0b 15495ffaba3SGraeme Russ #define APM_BAD_FUNCTION 0x0c 15595ffaba3SGraeme Russ #define APM_RESUME_DISABLED 0x0d 15695ffaba3SGraeme Russ #define APM_NO_ERROR 0x53 15795ffaba3SGraeme Russ #define APM_BAD_STATE 0x60 15895ffaba3SGraeme Russ #define APM_NO_EVENTS 0x80 15995ffaba3SGraeme Russ #define APM_NOT_PRESENT 0x86 16095ffaba3SGraeme Russ 16195ffaba3SGraeme Russ /* 16295ffaba3SGraeme Russ * APM Device IDs 16395ffaba3SGraeme Russ */ 16495ffaba3SGraeme Russ #define APM_DEVICE_BIOS 0x0000 16595ffaba3SGraeme Russ #define APM_DEVICE_ALL 0x0001 16695ffaba3SGraeme Russ #define APM_DEVICE_DISPLAY 0x0100 16795ffaba3SGraeme Russ #define APM_DEVICE_STORAGE 0x0200 16895ffaba3SGraeme Russ #define APM_DEVICE_PARALLEL 0x0300 16995ffaba3SGraeme Russ #define APM_DEVICE_SERIAL 0x0400 17095ffaba3SGraeme Russ #define APM_DEVICE_NETWORK 0x0500 17195ffaba3SGraeme Russ #define APM_DEVICE_PCMCIA 0x0600 17295ffaba3SGraeme Russ #define APM_DEVICE_BATTERY 0x8000 17395ffaba3SGraeme Russ #define APM_DEVICE_OEM 0xe000 17495ffaba3SGraeme Russ #define APM_DEVICE_OLD_ALL 0xffff 17595ffaba3SGraeme Russ #define APM_DEVICE_CLASS 0x00ff 17695ffaba3SGraeme Russ #define APM_DEVICE_MASK 0xff00 17795ffaba3SGraeme Russ 17895ffaba3SGraeme Russ #ifdef __KERNEL__ 17995ffaba3SGraeme Russ /* 18095ffaba3SGraeme Russ * This is the "All Devices" ID communicated to the BIOS 18195ffaba3SGraeme Russ */ 18295ffaba3SGraeme Russ #define APM_DEVICE_BALL ((apm_info.connection_version > 0x0100) ? \ 18395ffaba3SGraeme Russ APM_DEVICE_ALL : APM_DEVICE_OLD_ALL) 18495ffaba3SGraeme Russ #endif 18595ffaba3SGraeme Russ 18695ffaba3SGraeme Russ /* 18795ffaba3SGraeme Russ * Battery status 18895ffaba3SGraeme Russ */ 18995ffaba3SGraeme Russ #define APM_MAX_BATTERIES 2 19095ffaba3SGraeme Russ 19195ffaba3SGraeme Russ /* 19295ffaba3SGraeme Russ * APM defined capability bit flags 19395ffaba3SGraeme Russ */ 19495ffaba3SGraeme Russ #define APM_CAP_GLOBAL_STANDBY 0x0001 19595ffaba3SGraeme Russ #define APM_CAP_GLOBAL_SUSPEND 0x0002 19695ffaba3SGraeme Russ #define APM_CAP_RESUME_STANDBY_TIMER 0x0004 /* Timer resume from standby */ 19795ffaba3SGraeme Russ #define APM_CAP_RESUME_SUSPEND_TIMER 0x0008 /* Timer resume from suspend */ 19895ffaba3SGraeme Russ #define APM_CAP_RESUME_STANDBY_RING 0x0010 /* Resume on Ring fr standby */ 19995ffaba3SGraeme Russ #define APM_CAP_RESUME_SUSPEND_RING 0x0020 /* Resume on Ring fr suspend */ 20095ffaba3SGraeme Russ #define APM_CAP_RESUME_STANDBY_PCMCIA 0x0040 /* Resume on PCMCIA Ring */ 20195ffaba3SGraeme Russ #define APM_CAP_RESUME_SUSPEND_PCMCIA 0x0080 /* Resume on PCMCIA Ring */ 20295ffaba3SGraeme Russ 20395ffaba3SGraeme Russ /* 20495ffaba3SGraeme Russ * ioctl operations 20595ffaba3SGraeme Russ */ 20695ffaba3SGraeme Russ #include <linux/ioctl.h> 20795ffaba3SGraeme Russ 20895ffaba3SGraeme Russ #define APM_IOC_STANDBY _IO('A', 1) 20995ffaba3SGraeme Russ #define APM_IOC_SUSPEND _IO('A', 2) 21095ffaba3SGraeme Russ 21195ffaba3SGraeme Russ #endif /* LINUX_APM_H */ 212