FreeBSD/Linux Kernel Cross Reference
sys/powerpc/powermac/pmuvar.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2006 Michael Lorenz
      * Copyright (c) 2008 Nathan Whitehorn
      * 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.
     *
     * $FreeBSD$
     *
     */
    
    #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_SLEEPLED        0xee    /* Set sleep LED on/off */
    
    /* 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? */
    
    /* 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           0x08    /* Power Button pressed */
   
   /* 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,
   };
   
   #define PMU_NOTREADY    0x1     /* has not been initialized yet */
   #define PMU_IDLE        0x2     /* the bus is currently idle */
   #define PMU_OUT         0x3     /* sending out a command */
   #define PMU_IN          0x4     /* receiving data */
   
   struct pmu_softc {
           device_t        sc_dev;
           int             sc_memrid;
           struct resource *sc_memr;
           int             sc_irqrid;
           struct resource *sc_irq;
           void            *sc_ih;
   
           struct mtx      sc_mutex;
           device_t        adb_bus;
           volatile int    sc_autopoll;
           int             sc_batteries;
           struct cdev     *sc_leddev;
           int             lid_closed;
           uint8_t         saved_regs[9];
   };
   
   struct pmu_battstate {
           int state;
   
           int charge;
           int maxcharge;
           int current;
           int voltage;
   };
   
   int pmu_set_speed(int low_speed);
   
   #endif /* PMUVAR_H */

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