freebsd-nq/sys/powerpc/powermac/pmuvar.h
Nathan Whitehorn b4dbc59983 Add ADB support. This provides support for the external ADB bus on the PowerMac
G3 as well as the internal ADB keyboard and mice in PowerBooks and iBooks. This
also brings in Mac GPIO support, for which we should eventually have a better
interface.

Obtained from:  NetBSD (CUDA and PMU drivers)
2008-10-26 19:37:38 +00:00

172 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.
* 3. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 */
/* 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 */
/* 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;
int sc_node;
volatile int sc_state;
int sc_polling;
int sc_error;
volatile int sc_autopoll;
};
#endif /* PMUVAR_H */