91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
|
/* 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);
|
||
|
|
#else
|
||
|
|
static 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 */
|