/*      $NetBSD: pm_direct.h,v 1.12 2009/03/14 14:46:01 dsl Exp $       */

/*
* Copyright (C) 1997 Takashi Hamada
* 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.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*  This product includes software developed by Takashi Hamada.
* 4. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/* From: pm_direct.h 1.0 01/02/97 Takashi Hamada */

/*
* Public declarations that other routines may need.
*/

/* data structure of the command of the Power Manager */
typedef struct  {
       short   command;        /* command of the Power Manager         */
       short   num_data;       /* number of data                       */
       char    *s_buf;         /* pointer to buffer for sending        */
       char    *r_buf;         /* pointer to buffer for receiving      */
       char    data[128];      /* data buffer (is it too much?)        */
                               /* null command seen w/ 120 data bytes  */
}       PMData;

int pmgrop(PMData *);
int pm_intr(void *);
void pm_init(void);
void pm_adb_restart(void);
void pm_adb_poweroff(void);
void pm_read_date_time(u_long *);
void pm_set_date_time(u_long);

struct pmu_battery_info
{
       unsigned int flags;
       unsigned int cur_charge;
       unsigned int max_charge;
       signed   int draw;
       unsigned int voltage;
       unsigned int secs_remaining;
};

int pm_battery_info(int, struct pmu_battery_info *);

int pm_read_nvram(int);
void pm_write_nvram(int, int);
int pm_read_brightness(void);
void pm_set_brightness(int);
void pm_init_brightness(void);
void pm_eject_pcmcia(int);

/* PMU commands */
#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_I2C_CMD             0x9a    /* i2c commands */
#define PMU_GET_LID_STATE       0xdc    /* Report lid state */
#define PMU_GET_VERSION         0xea    /* Identify thyself */

/* 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_WAKEUP          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 */

/* 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 */

/* 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_PCHARGE_RESET   (1 << 6)