1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 */ 30 31 #ifndef PMUVAR_H 32 #define PMUVAR_H 33 34 /* PMU commands */ 35 #define PMU_POWER_CTRL0 0x10 /* control power of some devices */ 36 #define PMU_POWER_CTRL 0x11 /* control power of some devices */ 37 38 #define PMU_POWER_OFF 0x7e /* Turn Power off */ 39 #define PMU_RESET_CPU 0xd0 /* Reset CPU */ 40 41 #define PMU_SET_RTC 0x30 /* Set realtime clock */ 42 #define PMU_READ_RTC 0x38 /* Read realtime clock */ 43 44 #define PMU_WRITE_PRAM 0x32 /* Write PRAM */ 45 #define PMU_READ_PRAM 0x3a /* Read PRAM */ 46 47 #define PMU_WRITE_NVRAM 0x33 /* Write NVRAM */ 48 #define PMU_READ_NVRAM 0x3b /* Read NVRAM */ 49 50 #define PMU_EJECT_PCMCIA 0x4c /* Eject PCMCIA slot */ 51 52 #define PMU_SET_BRIGHTNESS 0x41 /* Set backlight brightness */ 53 #define PMU_READ_BRIGHTNESS 0xd9 /* Read brightness button position */ 54 55 #define PMU_POWER_EVENTS 0x8f /* Send power-event commands to PMU */ 56 #define PMU_SYSTEM_READY 0xdf /* tell PMU we are awake */ 57 58 #define PMU_BATTERY_STATE 0x6b /* Read old battery state */ 59 #define PMU_SMART_BATTERY_STATE 0x6f /* Read battery state */ 60 61 #define PMU_ADB_CMD 0x20 /* Send ADB packet */ 62 #define PMU_ADB_POLL_OFF 0x21 /* Disable ADB auto-poll */ 63 #define PMU_SET_VOL 0x40 /* Set volume button position */ 64 #define PMU_GET_VOL 0x48 /* Get volume button position */ 65 #define PMU_SET_IMASK 0x70 /* Set interrupt mask */ 66 #define PMU_INT_ACK 0x78 /* Read interrupt bits */ 67 #define PMU_CPU_SPEED 0x7d /* Control CPU speed on some models */ 68 #define PMU_SLEEP 0x7f /* Put CPU to sleep */ 69 #define PMU_SET_POLL_MASK 0x86 /* 70 * 16bit mask enables autopolling per 71 * device 72 */ 73 #define PMU_I2C_CMD 0x9a /* i2c commands */ 74 #define PMU_GET_LID_STATE 0xdc /* Report lid state */ 75 #define PMU_GET_VERSION 0xea /* Identify thyself */ 76 #define PMU_SET_SLEEPLED 0xee /* Set sleep LED on/off */ 77 78 /* Bits in PMU interrupt and interrupt mask bytes */ 79 #define PMU_INT_ADB_AUTO 0x04 /* ADB autopoll, when PMU_INT_ADB */ 80 #define PMU_INT_PCEJECT 0x04 /* PC-card eject buttons */ 81 #define PMU_INT_SNDBRT 0x08 /* sound/brightness up/down buttons */ 82 #define PMU_INT_ADB 0x10 /* ADB autopoll or reply data */ 83 #define PMU_INT_BATTERY 0x20 84 #define PMU_INT_ENVIRONMENT 0x40 85 #define PMU_INT_TICK 0x80 /* 1-second tick interrupt */ 86 87 /* Bits to use with the PMU_POWER_CTRL0 command */ 88 #define PMU_POW0_ON 0x80 /* OR this to power ON the device */ 89 #define PMU_POW0_OFF 0x00 /* leave bit 7 to 0 to power it OFF */ 90 #define PMU_POW0_HARD_DRIVE 0x04 /* wallstreet/lombard? */ 91 92 /* Bits to use with the PMU_POWER_CTRL command */ 93 #define PMU_POW_ON 0x80 /* OR this to power ON the device */ 94 #define PMU_POW_OFF 0x00 /* leave bit 7 to 0 to power it OFF */ 95 #define PMU_POW_BACKLIGHT 0x01 /* backlight power */ 96 #define PMU_POW_CHARGER 0x02 /* battery charger power */ 97 #define PMU_POW_IRLED 0x04 /* IR led power (on wallstreet) */ 98 #define PMU_POW_MEDIABAY 0x08 /* media bay power (wallstreet/lombard ?) */ 99 100 /* Bits from PMU_GET_LID_STATE or PMU_INT_ENVIRONMENT on core99 */ 101 #define PMU_ENV_LID_CLOSED 0x01 /* The lid is closed */ 102 #define PMU_ENV_POWER 0x08 /* Power Button pressed */ 103 104 /* PMU PMU_POWER_EVENTS commands */ 105 enum { 106 PMU_PWR_GET_POWERUP_EVENTS = 0x00, 107 PMU_PWR_SET_POWERUP_EVENTS = 0x01, 108 PMU_PWR_CLR_POWERUP_EVENTS = 0x02, 109 PMU_PWR_GET_WAKEUP_EVENTS = 0x03, 110 PMU_PWR_SET_WAKEUP_EVENTS = 0x04, 111 PMU_PWR_CLR_WAKEUP_EVENTS = 0x05, 112 }; 113 114 /* PMU Power Information */ 115 116 #define PMU_PWR_AC_PRESENT (1 << 0) 117 #define PMU_PWR_BATT_CHARGING (1 << 1) 118 #define PMU_PWR_BATT_PRESENT (1 << 2) 119 #define PMU_PWR_BATT_FULL (1 << 5) 120 #define PMU_PWR_PCHARGE_RESET (1 << 6) 121 #define PMU_PWR_BATT_EXIST (1 << 7) 122 123 /* I2C related definitions */ 124 #define PMU_I2C_MODE_SIMPLE 0 125 #define PMU_I2C_MODE_STDSUB 1 126 #define PMU_I2C_MODE_COMBINED 2 127 128 #define PMU_I2C_BUS_STATUS 0 129 #define PMU_I2C_BUS_SYSCLK 1 130 #define PMU_I2C_BUS_POWER 2 131 132 #define PMU_I2C_STATUS_OK 0 133 #define PMU_I2C_STATUS_DATAREAD 1 134 #define PMU_I2C_STATUS_BUSY 0xfe 135 136 /* Power events wakeup bits */ 137 enum { 138 PMU_PWR_WAKEUP_KEY = 0x01, /* Wake on key press */ 139 PMU_PWR_WAKEUP_AC_INSERT = 0x02, /* Wake on AC adapter plug */ 140 PMU_PWR_WAKEUP_AC_CHANGE = 0x04, 141 PMU_PWR_WAKEUP_LID_OPEN = 0x08, 142 PMU_PWR_WAKEUP_RING = 0x10, 143 }; 144 145 #define PMU_NOTREADY 0x1 /* has not been initialized yet */ 146 #define PMU_IDLE 0x2 /* the bus is currently idle */ 147 #define PMU_OUT 0x3 /* sending out a command */ 148 #define PMU_IN 0x4 /* receiving data */ 149 150 struct pmu_softc { 151 device_t sc_dev; 152 int sc_memrid; 153 struct resource *sc_memr; 154 int sc_irqrid; 155 struct resource *sc_irq; 156 void *sc_ih; 157 158 struct mtx sc_mutex; 159 device_t adb_bus; 160 volatile int sc_autopoll; 161 int sc_batteries; 162 struct cdev *sc_leddev; 163 int lid_closed; 164 uint8_t saved_regs[9]; 165 }; 166 167 struct pmu_battstate { 168 int state; 169 170 int charge; 171 int maxcharge; 172 int current; 173 int voltage; 174 }; 175 176 int pmu_set_speed(int low_speed); 177 178 #endif /* PMUVAR_H */ 179