freebsd-dev/sys/powerpc/powermac/pmuvar.h
Justin Hibbits a1afe0bf8e Add support for Power Button PMU events on non-ADB macs, such as aluminum
PowerBooks.

MFC after:	2 weeks
Relnotes:	yes
2014-11-20 03:23:33 +00:00

180 lines
6.1 KiB
C

/*-
* 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 */