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      1 /*	$NetBSD: pm_direct.h,v 1.12 2009/03/14 14:46:01 dsl Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1997 Takashi Hamada
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *  This product includes software developed by Takashi Hamada.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 /* From: pm_direct.h 1.0 01/02/97 Takashi Hamada */
     33 
     34 /*
     35  * Public declarations that other routines may need.
     36  */
     37 
     38 /* data structure of the command of the Power Manager */
     39 typedef	struct	{
     40 	short	command;	/* command of the Power Manager 	*/
     41 	short	num_data;	/* number of data			*/
     42 	char	*s_buf;		/* pointer to buffer for sending 	*/
     43 	char	*r_buf;		/* pointer to buffer for receiving	*/
     44 	char	data[128];	/* data buffer (is it too much?)	*/
     45 				/* null command seen w/ 120 data bytes  */
     46 }	PMData;
     47 
     48 int pmgrop(PMData *);
     49 int pm_intr(void *);
     50 void pm_init(void);
     51 void pm_adb_restart(void);
     52 void pm_adb_poweroff(void);
     53 void pm_read_date_time(u_long *);
     54 void pm_set_date_time(u_long);
     55 
     56 struct pmu_battery_info
     57 {
     58 	unsigned int flags;
     59 	unsigned int cur_charge;
     60 	unsigned int max_charge;
     61 	signed   int draw;
     62 	unsigned int voltage;
     63 	unsigned int secs_remaining;
     64 };
     65 
     66 int pm_battery_info(int, struct pmu_battery_info *);
     67 
     68 int pm_read_nvram(int);
     69 void pm_write_nvram(int, int);
     70 int pm_read_brightness(void);
     71 void pm_set_brightness(int);
     72 void pm_init_brightness(void);
     73 void pm_eject_pcmcia(int);
     74 
     75 /* PMU commands */
     76 #define PMU_POWER_OFF		0x7e	/* Turn Power off */
     77 #define PMU_RESET_CPU		0xd0	/* Reset CPU */
     78 
     79 #define PMU_SET_RTC		0x30	/* Set realtime clock */
     80 #define PMU_READ_RTC		0x38	/* Read realtime clock */
     81 
     82 #define PMU_WRITE_PRAM		0x32	/* Write PRAM */
     83 #define PMU_READ_PRAM		0x3a	/* Read PRAM */
     84 
     85 #define PMU_WRITE_NVRAM		0x33	/* Write NVRAM */
     86 #define PMU_READ_NVRAM		0x3b	/* Read NVRAM */
     87 
     88 #define PMU_EJECT_PCMCIA	0x4c	/* Eject PCMCIA slot */
     89 
     90 #define PMU_SET_BRIGHTNESS	0x41	/* Set backlight brightness */
     91 #define PMU_READ_BRIGHTNESS	0xd9	/* Read brightness button position */
     92 
     93 #define PMU_POWER_EVENTS        0x8f    /* Send power-event commands to PMU */
     94 #define PMU_SYSTEM_READY        0xdf    /* tell PMU we are awake */
     95 
     96 #define PMU_BATTERY_STATE	0x6b	/* Read old battery state */
     97 #define PMU_SMART_BATTERY_STATE	0x6f	/* Read battery state */
     98 
     99 #define PMU_ADB_CMD		0x20	/* Send ADB packet */
    100 #define PMU_ADB_POLL_OFF	0x21	/* Disable ADB auto-poll */
    101 #define PMU_SET_VOL		0x40	/* Set volume button position */
    102 #define PMU_GET_VOL		0x48	/* Get volume button position */
    103 #define PMU_SET_IMASK		0x70	/* Set interrupt mask */
    104 #define PMU_INT_ACK		0x78	/* Read interrupt bits */
    105 #define PMU_CPU_SPEED		0x7d	/* Control CPU speed on some models */
    106 #define PMU_SLEEP		0x7f	/* Put CPU to sleep */
    107 #define PMU_I2C_CMD		0x9a	/* i2c commands */
    108 #define PMU_GET_LID_STATE	0xdc	/* Report lid state */
    109 #define PMU_GET_VERSION		0xea	/* Identify thyself */
    110 
    111 /* Bits in PMU interrupt and interrupt mask bytes */
    112 #define PMU_INT_ADB_AUTO	0x04	/* ADB autopoll, when PMU_INT_ADB */
    113 #define PMU_INT_PCEJECT		0x04	/* PC-card eject buttons */
    114 #define PMU_INT_SNDBRT		0x08	/* sound/brightness up/down buttons */
    115 #define PMU_INT_ADB		0x10	/* ADB autopoll or reply data */
    116 #define PMU_INT_BATTERY		0x20
    117 #define PMU_INT_WAKEUP		0x40
    118 #define PMU_INT_TICK		0x80	/* 1-second tick interrupt */
    119 
    120 /* Bits to use with the PMU_POWER_CTRL0 command */
    121 #define PMU_POW0_ON		0x80	/* OR this to power ON the device */
    122 #define PMU_POW0_OFF		0x00	/* leave bit 7 to 0 to power it OFF */
    123 
    124 /* Bits to use with the PMU_POWER_CTRL command */
    125 #define PMU_POW_ON		0x80	/* OR this to power ON the device */
    126 #define PMU_POW_OFF		0x00	/* leave bit 7 to 0 to power it OFF */
    127 #define PMU_POW_BACKLIGHT	0x01	/* backlight power */
    128 #define PMU_POW_CHARGER		0x02	/* battery charger power */
    129 #define PMU_POW_IRLED		0x04	/* IR led power (on wallstreet) */
    130 #define PMU_POW_MEDIABAY	0x08	/* media bay power (wallstreet/lombard ?) */
    131 
    132 /* Bits from PMU_GET_LID_STATE or PMU_INT_ENVIRONMENT on core99 */
    133 #define PMU_ENV_LID_CLOSED	0x01	/* The lid is closed */
    134 
    135 /* PMU PMU_POWER_EVENTS commands */
    136 enum {
    137 	PMU_PWR_GET_POWERUP_EVENTS      = 0x00,
    138 	PMU_PWR_SET_POWERUP_EVENTS      = 0x01,
    139 	PMU_PWR_CLR_POWERUP_EVENTS      = 0x02,
    140 	PMU_PWR_GET_WAKEUP_EVENTS       = 0x03,
    141 	PMU_PWR_SET_WAKEUP_EVENTS       = 0x04,
    142 	PMU_PWR_CLR_WAKEUP_EVENTS       = 0x05,
    143 };
    144 
    145 /* PMU Power Information */
    146 
    147 #define PMU_PWR_AC_PRESENT	(1 << 0)
    148 #define PMU_PWR_BATT_CHARGING	(1 << 1)
    149 #define PMU_PWR_BATT_PRESENT	(1 << 2)
    150 #define PMU_PWR_PCHARGE_RESET	(1 << 6)
    151 
    152