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/*
* 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.
*/
/*
* PMU commands
*/
#define PMU_POWER_CTRL 0x11 /* control power of some devices */
#define PMU_ADB_CMD 0x20 /* send ADB packet */
#define PMU_ADB_POLL_OFF 0x21 /* disable ADB auto-poll */
#define PMU_WRITE_NVRAM 0x33 /* write non-volatile RAM */
#define PMU_READ_NVRAM 0x3b /* read non-volatile RAM */
#define PMU_SET_RTC 0x30 /* set real-time clock */
#define PMU_READ_RTC 0x38 /* read real-time clock */
#define PMU_SET_VOLBUTTON 0x40 /* set volume up/down position */
#define PMU_BACKLIGHT_BRIGHT 0x41 /* set backlight brightness */
#define PMU_GET_VOLBUTTON 0x48 /* get volume up/down position */
#define PMU_PCEJECT 0x4c /* eject PC-card from slot */
#define PMU_BATTERY_STATE 0x6b /* report battery state etc. */
#define PMU_SET_INTR_MASK 0x70 /* set PMU interrupt mask */
#define PMU_INT_ACK 0x78 /* read interrupt bits */
#define PMU_SHUTDOWN 0x7e /* turn power off */
#define PMU_SLEEP 0x7f /* put CPU to sleep */
#define PMU_RESET 0xd0 /* reset CPU */
#define PMU_GET_BRIGHTBUTTON 0xd9 /* report brightness up/down pos */
#define PMU_GET_COVER 0xdc /* report cover open/closed */
/* Bits to use with the PMU_POWER_CTRL command */
#define PMU_POW_ON 0x80 /* OR this to power ON the device */
#define PMU_POW_OFF 0x00 /* leave bit 7 to 0 to power it OFF */
#define PMU_POW_BACKLIGHT 0x01 /* backlight power */
#define PMU_POW_IRLED 0x04 /* IR led power (on wallstreet) ??? */
/* Bits in PMU interrupt and interrupt mask bytes */
#define PMU_INT_ADB_AUTO 0x04 /* ADB autopoll, when PMU_INT_ADB */
#define PMU_INT_PCEJECT 0x04 /* PC-card eject buttons */
#define PMU_INT_SNDBRT 0x08 /* sound/brightness up/down buttons */
#define PMU_INT_ADB 0x10 /* ADB autopoll or reply data */
#define PMU_INT_TICK 0x80 /* 1-second tick interrupt */
/* Kind of PMU (model) */
enum {
PMU_UNKNOWN,
PMU_OHARE_BASED,
PMU_HEATHROW_BASED
};
/*
* Ioctl commands for the /dev/pmu device
*/
#include <linux/ioctl.h>
/* no param */
#define PMU_IOC_SLEEP _IO('B', 0)
/* out param: u32* backlight value: 0 to 31 */
#define PMU_IOC_GET_BACKLIGHT _IOR('B', 1, sizeof(__u32*))
/* in param: u32 backlight value: 0 to 31 */
#define PMU_IOC_SET_BACKLIGHT _IOW('B', 2, sizeof(__u32))
/* out param: u32* backlight value: 0 to 31 */
#define PMU_IOC_GET_MODEL _IOR('B', 3, sizeof(__u32*))
#ifdef __KERNEL__
void find_via_pmu(void);
void via_pmu_init(void);
int pmu_request(struct adb_request *req,
void (*done)(struct adb_request *), int nbytes, ...);
void pmu_poll(void);
void pmu_enable_backlight(int on);
void pmu_set_brightness(int level);
void pmu_enable_irled(int on);
void pmu_restart(void);
void pmu_shutdown(void);
int pmu_present(void);
int pmu_get_model(void);
/*
* Stuff for putting the powerbook to sleep and waking it again.
*/
#include <linux/notifier.h>
extern struct notifier_block *sleep_notifier_list;
/* code values for calling sleep/wakeup handlers */
#define PBOOK_SLEEP 1
#define PBOOK_WAKE 2
#endif /* __KERNEL */
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