1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2006 Michael Lorenz 5 * Copyright (c) 2008 Nathan Whitehorn 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 * 31 */ 32 33 #ifndef PMUVAR_H 34 #define PMUVAR_H 35 36 /* PMU commands */ 37 #define PMU_POWER_CTRL0 0x10 /* control power of some devices */ 38 #define PMU_POWER_CTRL 0x11 /* control power of some devices */ 39 40 #define PMU_POWER_OFF 0x7e /* Turn Power off */ 41 #define PMU_RESET_CPU 0xd0 /* Reset CPU */ 42 43 #define PMU_SET_RTC 0x30 /* Set realtime clock */ 44 #define PMU_READ_RTC 0x38 /* Read realtime clock */ 45 46 #define PMU_WRITE_PRAM 0x32 /* Write PRAM */ 47 #define PMU_READ_PRAM 0x3a /* Read PRAM */ 48 49 #define PMU_WRITE_NVRAM 0x33 /* Write NVRAM */ 50 #define PMU_READ_NVRAM 0x3b /* Read NVRAM */ 51 52 #define PMU_EJECT_PCMCIA 0x4c /* Eject PCMCIA slot */ 53 54 #define PMU_SET_BRIGHTNESS 0x41 /* Set backlight brightness */ 55 #define PMU_READ_BRIGHTNESS 0xd9 /* Read brightness button position */ 56 57 #define PMU_POWER_EVENTS 0x8f /* Send power-event commands to PMU */ 58 #define PMU_SYSTEM_READY 0xdf /* tell PMU we are awake */ 59 60 #define PMU_BATTERY_STATE 0x6b /* Read old battery state */ 61 #define PMU_SMART_BATTERY_STATE 0x6f /* Read battery state */ 62 63 #define PMU_ADB_CMD 0x20 /* Send ADB packet */ 64 #define PMU_ADB_POLL_OFF 0x21 /* Disable ADB auto-poll */ 65 #define PMU_SET_VOL 0x40 /* Set volume button position */ 66 #define PMU_GET_VOL 0x48 /* Get volume button position */ 67 #define PMU_SET_IMASK 0x70 /* Set interrupt mask */ 68 #define PMU_INT_ACK 0x78 /* Read interrupt bits */ 69 #define PMU_CPU_SPEED 0x7d /* Control CPU speed on some models */ 70 #define PMU_SLEEP 0x7f /* Put CPU to sleep */ 71 #define PMU_SET_POLL_MASK 0x86 /* 72 * 16bit mask enables autopolling per 73 * device 74 */ 75 #define PMU_I2C_CMD 0x9a /* i2c commands */ 76 #define PMU_GET_LID_STATE 0xdc /* Report lid state */ 77 #define PMU_GET_VERSION 0xea /* Identify thyself */ 78 #define PMU_SET_SLEEPLED 0xee /* Set sleep LED on/off */ 79 80 /* Bits in PMU interrupt and interrupt mask bytes */ 81 #define PMU_INT_ADB_AUTO 0x04 /* ADB autopoll, when PMU_INT_ADB */ 82 #define PMU_INT_PCEJECT 0x04 /* PC-card eject buttons */ 83 #define PMU_INT_SNDBRT 0x08 /* sound/brightness up/down buttons */ 84 #define PMU_INT_ADB 0x10 /* ADB autopoll or reply data */ 85 #define PMU_INT_BATTERY 0x20 86 #define PMU_INT_ENVIRONMENT 0x40 87 #define PMU_INT_TICK 0x80 /* 1-second tick interrupt */ 88 89 /* Bits to use with the PMU_POWER_CTRL0 command */ 90 #define PMU_POW0_ON 0x80 /* OR this to power ON the device */ 91 #define PMU_POW0_OFF 0x00 /* leave bit 7 to 0 to power it OFF */ 92 #define PMU_POW0_HARD_DRIVE 0x04 /* wallstreet/lombard? */ 93 94 /* Bits to use with the PMU_POWER_CTRL command */ 95 #define PMU_POW_ON 0x80 /* OR this to power ON the device */ 96 #define PMU_POW_OFF 0x00 /* leave bit 7 to 0 to power it OFF */ 97 #define PMU_POW_BACKLIGHT 0x01 /* backlight power */ 98 #define PMU_POW_CHARGER 0x02 /* battery charger power */ 99 #define PMU_POW_IRLED 0x04 /* IR led power (on wallstreet) */ 100 #define PMU_POW_MEDIABAY 0x08 /* media bay power (wallstreet/lombard ?) */ 101 102 /* Bits from PMU_GET_LID_STATE or PMU_INT_ENVIRONMENT on core99 */ 103 #define PMU_ENV_LID_CLOSED 0x01 /* The lid is closed */ 104 #define PMU_ENV_POWER 0x08 /* Power Button pressed */ 105 106 /* PMU PMU_POWER_EVENTS commands */ 107 enum { 108 PMU_PWR_GET_POWERUP_EVENTS = 0x00, 109 PMU_PWR_SET_POWERUP_EVENTS = 0x01, 110 PMU_PWR_CLR_POWERUP_EVENTS = 0x02, 111 PMU_PWR_GET_WAKEUP_EVENTS = 0x03, 112 PMU_PWR_SET_WAKEUP_EVENTS = 0x04, 113 PMU_PWR_CLR_WAKEUP_EVENTS = 0x05, 114 }; 115 116 /* PMU Power Information */ 117 118 #define PMU_PWR_AC_PRESENT (1 << 0) 119 #define PMU_PWR_BATT_CHARGING (1 << 1) 120 #define PMU_PWR_BATT_PRESENT (1 << 2) 121 #define PMU_PWR_BATT_FULL (1 << 5) 122 #define PMU_PWR_PCHARGE_RESET (1 << 6) 123 #define PMU_PWR_BATT_EXIST (1 << 7) 124 125 126 /* I2C related definitions */ 127 #define PMU_I2C_MODE_SIMPLE 0 128 #define PMU_I2C_MODE_STDSUB 1 129 #define PMU_I2C_MODE_COMBINED 2 130 131 #define PMU_I2C_BUS_STATUS 0 132 #define PMU_I2C_BUS_SYSCLK 1 133 #define PMU_I2C_BUS_POWER 2 134 135 #define PMU_I2C_STATUS_OK 0 136 #define PMU_I2C_STATUS_DATAREAD 1 137 #define PMU_I2C_STATUS_BUSY 0xfe 138 139 /* Power events wakeup bits */ 140 enum { 141 PMU_PWR_WAKEUP_KEY = 0x01, /* Wake on key press */ 142 PMU_PWR_WAKEUP_AC_INSERT = 0x02, /* Wake on AC adapter plug */ 143 PMU_PWR_WAKEUP_AC_CHANGE = 0x04, 144 PMU_PWR_WAKEUP_LID_OPEN = 0x08, 145 PMU_PWR_WAKEUP_RING = 0x10, 146 }; 147 148 #define PMU_NOTREADY 0x1 /* has not been initialized yet */ 149 #define PMU_IDLE 0x2 /* the bus is currently idle */ 150 #define PMU_OUT 0x3 /* sending out a command */ 151 #define PMU_IN 0x4 /* receiving data */ 152 153 struct pmu_softc { 154 device_t sc_dev; 155 int sc_memrid; 156 struct resource *sc_memr; 157 int sc_irqrid; 158 struct resource *sc_irq; 159 void *sc_ih; 160 161 struct mtx sc_mutex; 162 device_t adb_bus; 163 volatile int sc_autopoll; 164 int sc_batteries; 165 struct cdev *sc_leddev; 166 int lid_closed; 167 uint8_t saved_regs[9]; 168 }; 169 170 struct pmu_battstate { 171 int state; 172 173 int charge; 174 int maxcharge; 175 int current; 176 int voltage; 177 }; 178 179 int pmu_set_speed(int low_speed); 180 181 #endif /* PMUVAR_H */ 182