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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091/* SPDX-License-Identifier: GPL-2.0 *//* * 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 _LINUX_PMU_H#define _LINUX_PMU_H
#include <linux/rtc.h>#include <uapi/linux/pmu.h>
extern int __init find_via_pmu(void);
extern int pmu_request(struct adb_request *req, void (*done)(struct adb_request *), int nbytes, ...);extern int pmu_queue_request(struct adb_request *req);extern void pmu_poll(void);extern void pmu_poll_adb(void); /* For use by xmon */extern void pmu_wait_complete(struct adb_request *req);
/* For use before switching interrupts off for a long time; * warning: not stackable */#if defined(CONFIG_ADB_PMU)extern void pmu_suspend(void);extern void pmu_resume(void);#elsestatic inline void pmu_suspend(void){}static inline void pmu_resume(void){}#endif
extern void pmu_enable_irled(int on);
extern time64_t pmu_get_time(void);extern int pmu_set_rtc_time(struct rtc_time *tm);
extern void pmu_restart(void);extern void pmu_shutdown(void);extern void pmu_unlock(void);
extern int pmu_present(void);extern int pmu_get_model(void);
extern void pmu_backlight_set_sleep(int sleep);
#define PMU_MAX_BATTERIES 2
/* values for pmu_power_flags */#define PMU_PWR_AC_PRESENT 0x00000001
/* values for pmu_battery_info.flags */#define PMU_BATT_PRESENT 0x00000001#define PMU_BATT_CHARGING 0x00000002#define PMU_BATT_TYPE_MASK 0x000000f0#define PMU_BATT_TYPE_SMART 0x00000010 /* Smart battery */#define PMU_BATT_TYPE_HOOPER 0x00000020 /* 3400/3500 */#define PMU_BATT_TYPE_COMET 0x00000030 /* 2400 */
struct pmu_battery_info{ unsigned int flags; unsigned int charge; /* current charge */ unsigned int max_charge; /* maximum charge */ signed int amperage; /* current, positive if charging */ unsigned int voltage; /* voltage */ unsigned int time_remaining; /* remaining time */};
extern int pmu_battery_count;extern struct pmu_battery_info pmu_batteries[PMU_MAX_BATTERIES];extern unsigned int pmu_power_flags;
/* Backlight */extern void pmu_backlight_init(void);
/* some code needs to know if the PMU was suspended for hibernation */#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)extern int pmu_sys_suspended;#else/* if power management is not configured it can't be suspended */#define pmu_sys_suspended 0#endif
#endif /* _LINUX_PMU_H */