181 lines
6.2 KiB
C
181 lines
6.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2006 Michael Lorenz
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* Copyright (c) 2008 Nathan Whitehorn
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#ifndef PMUVAR_H
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#define PMUVAR_H
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/* PMU commands */
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#define PMU_POWER_CTRL0 0x10 /* control power of some devices */
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#define PMU_POWER_CTRL 0x11 /* control power of some devices */
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#define PMU_POWER_OFF 0x7e /* Turn Power off */
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#define PMU_RESET_CPU 0xd0 /* Reset CPU */
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#define PMU_SET_RTC 0x30 /* Set realtime clock */
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#define PMU_READ_RTC 0x38 /* Read realtime clock */
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#define PMU_WRITE_PRAM 0x32 /* Write PRAM */
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#define PMU_READ_PRAM 0x3a /* Read PRAM */
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#define PMU_WRITE_NVRAM 0x33 /* Write NVRAM */
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#define PMU_READ_NVRAM 0x3b /* Read NVRAM */
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#define PMU_EJECT_PCMCIA 0x4c /* Eject PCMCIA slot */
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#define PMU_SET_BRIGHTNESS 0x41 /* Set backlight brightness */
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#define PMU_READ_BRIGHTNESS 0xd9 /* Read brightness button position */
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#define PMU_POWER_EVENTS 0x8f /* Send power-event commands to PMU */
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#define PMU_SYSTEM_READY 0xdf /* tell PMU we are awake */
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#define PMU_BATTERY_STATE 0x6b /* Read old battery state */
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#define PMU_SMART_BATTERY_STATE 0x6f /* Read battery state */
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#define PMU_ADB_CMD 0x20 /* Send ADB packet */
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#define PMU_ADB_POLL_OFF 0x21 /* Disable ADB auto-poll */
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#define PMU_SET_VOL 0x40 /* Set volume button position */
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#define PMU_GET_VOL 0x48 /* Get volume button position */
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#define PMU_SET_IMASK 0x70 /* Set interrupt mask */
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#define PMU_INT_ACK 0x78 /* Read interrupt bits */
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#define PMU_CPU_SPEED 0x7d /* Control CPU speed on some models */
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#define PMU_SLEEP 0x7f /* Put CPU to sleep */
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#define PMU_SET_POLL_MASK 0x86 /*
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* 16bit mask enables autopolling per
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* device
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*/
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#define PMU_I2C_CMD 0x9a /* i2c commands */
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#define PMU_GET_LID_STATE 0xdc /* Report lid state */
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#define PMU_GET_VERSION 0xea /* Identify thyself */
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#define PMU_SET_SLEEPLED 0xee /* Set sleep LED on/off */
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/* Bits in PMU interrupt and interrupt mask bytes */
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#define PMU_INT_ADB_AUTO 0x04 /* ADB autopoll, when PMU_INT_ADB */
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#define PMU_INT_PCEJECT 0x04 /* PC-card eject buttons */
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#define PMU_INT_SNDBRT 0x08 /* sound/brightness up/down buttons */
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#define PMU_INT_ADB 0x10 /* ADB autopoll or reply data */
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#define PMU_INT_BATTERY 0x20
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#define PMU_INT_ENVIRONMENT 0x40
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#define PMU_INT_TICK 0x80 /* 1-second tick interrupt */
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/* Bits to use with the PMU_POWER_CTRL0 command */
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#define PMU_POW0_ON 0x80 /* OR this to power ON the device */
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#define PMU_POW0_OFF 0x00 /* leave bit 7 to 0 to power it OFF */
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#define PMU_POW0_HARD_DRIVE 0x04 /* wallstreet/lombard? */
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/* Bits to use with the PMU_POWER_CTRL command */
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#define PMU_POW_ON 0x80 /* OR this to power ON the device */
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#define PMU_POW_OFF 0x00 /* leave bit 7 to 0 to power it OFF */
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#define PMU_POW_BACKLIGHT 0x01 /* backlight power */
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#define PMU_POW_CHARGER 0x02 /* battery charger power */
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#define PMU_POW_IRLED 0x04 /* IR led power (on wallstreet) */
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#define PMU_POW_MEDIABAY 0x08 /* media bay power (wallstreet/lombard ?) */
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/* Bits from PMU_GET_LID_STATE or PMU_INT_ENVIRONMENT on core99 */
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#define PMU_ENV_LID_CLOSED 0x01 /* The lid is closed */
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#define PMU_ENV_POWER 0x08 /* Power Button pressed */
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/* PMU PMU_POWER_EVENTS commands */
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enum {
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PMU_PWR_GET_POWERUP_EVENTS = 0x00,
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PMU_PWR_SET_POWERUP_EVENTS = 0x01,
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PMU_PWR_CLR_POWERUP_EVENTS = 0x02,
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PMU_PWR_GET_WAKEUP_EVENTS = 0x03,
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PMU_PWR_SET_WAKEUP_EVENTS = 0x04,
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PMU_PWR_CLR_WAKEUP_EVENTS = 0x05,
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};
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/* PMU Power Information */
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#define PMU_PWR_AC_PRESENT (1 << 0)
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#define PMU_PWR_BATT_CHARGING (1 << 1)
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#define PMU_PWR_BATT_PRESENT (1 << 2)
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#define PMU_PWR_BATT_FULL (1 << 5)
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#define PMU_PWR_PCHARGE_RESET (1 << 6)
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#define PMU_PWR_BATT_EXIST (1 << 7)
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/* I2C related definitions */
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#define PMU_I2C_MODE_SIMPLE 0
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#define PMU_I2C_MODE_STDSUB 1
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#define PMU_I2C_MODE_COMBINED 2
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#define PMU_I2C_BUS_STATUS 0
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#define PMU_I2C_BUS_SYSCLK 1
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#define PMU_I2C_BUS_POWER 2
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#define PMU_I2C_STATUS_OK 0
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#define PMU_I2C_STATUS_DATAREAD 1
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#define PMU_I2C_STATUS_BUSY 0xfe
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/* Power events wakeup bits */
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enum {
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PMU_PWR_WAKEUP_KEY = 0x01, /* Wake on key press */
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PMU_PWR_WAKEUP_AC_INSERT = 0x02, /* Wake on AC adapter plug */
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PMU_PWR_WAKEUP_AC_CHANGE = 0x04,
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PMU_PWR_WAKEUP_LID_OPEN = 0x08,
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PMU_PWR_WAKEUP_RING = 0x10,
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};
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#define PMU_NOTREADY 0x1 /* has not been initialized yet */
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#define PMU_IDLE 0x2 /* the bus is currently idle */
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#define PMU_OUT 0x3 /* sending out a command */
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#define PMU_IN 0x4 /* receiving data */
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struct pmu_softc {
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device_t sc_dev;
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int sc_memrid;
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struct resource *sc_memr;
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int sc_irqrid;
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struct resource *sc_irq;
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void *sc_ih;
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struct mtx sc_mutex;
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device_t adb_bus;
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volatile int sc_autopoll;
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int sc_batteries;
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struct cdev *sc_leddev;
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int lid_closed;
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uint8_t saved_regs[9];
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};
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struct pmu_battstate {
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int state;
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int charge;
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int maxcharge;
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int current;
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int voltage;
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};
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int pmu_set_speed(int low_speed);
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#endif /* PMUVAR_H */
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