/*-
* Copyright (c) 2006 Michael Lorenz
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmuvar.h,v 1.11 2020/04/16 23:29:52 rin Exp $");

#ifndef PMUVAR_H
#define PMUVAR_H

/* PMU commands */
#define PMU_POWER_CTRL0         0x10    /* control power of some devices */
#define PMU_POWER_CTRL          0x11    /* control power of some devices */

#define PMU_POWER_OFF           0x7e    /* Turn Power off */
#define PMU_RESET_CPU           0xd0    /* Reset CPU */

#define PMU_SET_RTC             0x30    /* Set realtime clock */
#define PMU_READ_RTC            0x38    /* Read realtime clock */

#define PMU_WRITE_PRAM          0x32    /* Write PRAM */
#define PMU_READ_PRAM           0x3a    /* Read PRAM */

#define PMU_WRITE_NVRAM         0x33    /* Write NVRAM */
#define PMU_READ_NVRAM          0x3b    /* Read NVRAM */

#define PMU_EJECT_PCMCIA        0x4c    /* Eject PCMCIA slot */

#define PMU_SET_BRIGHTNESS      0x41    /* Set backlight brightness */
#define PMU_READ_BRIGHTNESS     0xd9    /* Read brightness button position */

#define PMU_POWER_EVENTS        0x8f    /* Send power-event commands to PMU */
#define PMU_SYSTEM_READY        0xdf    /* tell PMU we are awake */

#define PMU_BATTERY_STATE       0x6b    /* Read old battery state */
#define PMU_SMART_BATTERY_STATE 0x6f    /* Read battery state */

#define PMU_ADB_CMD             0x20    /* Send ADB packet */
#define PMU_ADB_POLL_OFF        0x21    /* Disable ADB auto-poll */
#define PMU_SET_VOL             0x40    /* Set volume button position */
#define PMU_GET_VOL             0x48    /* Get volume button position */
#define PMU_SET_IMASK           0x70    /* Set interrupt mask */
#define PMU_INT_ACK             0x78    /* Read interrupt bits */
#define PMU_CPU_SPEED           0x7d    /* Control CPU speed on some models */
#define PMU_SLEEP               0x7f    /* Put CPU to sleep */
#define PMU_SET_POLL_MASK       0x86    /*
                                        * 16bit mask enables autopolling per
                                        * device
                                        */
#define PMU_I2C_CMD             0x9a    /* i2c commands */
#define PMU_GET_LID_STATE       0xdc    /* Report lid state */
#define PMU_GET_VERSION         0xea    /* Identify thyself */
#define PMU_SET_LED             0xee    /* control system LED */

/* 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_BATTERY         0x20
#define PMU_INT_ENVIRONMENT     0x40
#define PMU_INT_TICK            0x80    /* 1-second tick interrupt */

/* Bits to use with the PMU_POWER_CTRL0 command */
#define PMU_POW0_ON             0x80    /* OR this to power ON the device */
#define PMU_POW0_OFF            0x00    /* leave bit 7 to 0 to power it OFF */
#define PMU_POW0_HARD_DRIVE     0x04    /* wallstreet/lombard? */
#define PMU_POW0_MODEM          0x08    /* pismo, maybe others */

/* 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_CHARGER         0x02    /* battery charger power */
#define PMU_POW_IRLED           0x04    /* IR led power (on wallstreet) */
#define PMU_POW_MEDIABAY        0x08    /* media bay power (wallstreet/lombard ?) */

/* Bits from PMU_GET_LID_STATE or PMU_INT_ENVIRONMENT on core99 */
#define PMU_ENV_LID_CLOSED      0x01    /* The lid is closed */
#define PMU_ENV_POWER_BUTTON    0x08    /* power button on ADB-less Macs */

/* PMU PMU_POWER_EVENTS commands */
enum {
       PMU_PWR_GET_POWERUP_EVENTS      = 0x00,
       PMU_PWR_SET_POWERUP_EVENTS      = 0x01,
       PMU_PWR_CLR_POWERUP_EVENTS      = 0x02,
       PMU_PWR_GET_WAKEUP_EVENTS       = 0x03,
       PMU_PWR_SET_WAKEUP_EVENTS       = 0x04,
       PMU_PWR_CLR_WAKEUP_EVENTS       = 0x05,
};

/* PMU Power Information */

#define PMU_PWR_AC_PRESENT      (1 << 0)
#define PMU_PWR_BATT_CHARGING   (1 << 1)
#define PMU_PWR_BATT_PRESENT    (1 << 2)
#define PMU_PWR_BATT_FULL       (1 << 5)
#define PMU_PWR_PCHARGE_RESET   (1 << 6)
#define PMU_PWR_BATT_EXIST      (1 << 7)


/* I2C related definitions */
#define PMU_I2C_MODE_SIMPLE     0
#define PMU_I2C_MODE_STDSUB     1
#define PMU_I2C_MODE_COMBINED   2

#define PMU_I2C_BUS_STATUS      0
#define PMU_I2C_BUS_SYSCLK      1
#define PMU_I2C_BUS_POWER       2

#define PMU_I2C_STATUS_OK       0
#define PMU_I2C_STATUS_DATAREAD 1
#define PMU_I2C_STATUS_BUSY     0xfe

/* Power events wakeup bits */
enum {
       PMU_PWR_WAKEUP_KEY              = 0x01, /* Wake on key press */
       PMU_PWR_WAKEUP_AC_INSERT        = 0x02, /* Wake on AC adapter plug */
       PMU_PWR_WAKEUP_AC_CHANGE        = 0x04,
       PMU_PWR_WAKEUP_LID_OPEN         = 0x08,
       PMU_PWR_WAKEUP_RING             = 0x10,
};

struct pmu_ops {
       void *cookie;
       int (*do_command)(void *, int, int, uint8_t *, int, uint8_t *);
       void (*register_callback)(void *, void (*)(void *), void *);
};

void pmu_poweroff(void);
void pmu_restart(void);
void pmu_modem(int);

#endif /* PMUVAR_H */

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