2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2006 Michael Lorenz
5 * Copyright (c) 2008 Nathan Whitehorn
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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.
37 #define PMU_POWER_CTRL0 0x10 /* control power of some devices */
38 #define PMU_POWER_CTRL 0x11 /* control power of some devices */
40 #define PMU_POWER_OFF 0x7e /* Turn Power off */
41 #define PMU_RESET_CPU 0xd0 /* Reset CPU */
43 #define PMU_SET_RTC 0x30 /* Set realtime clock */
44 #define PMU_READ_RTC 0x38 /* Read realtime clock */
46 #define PMU_WRITE_PRAM 0x32 /* Write PRAM */
47 #define PMU_READ_PRAM 0x3a /* Read PRAM */
49 #define PMU_WRITE_NVRAM 0x33 /* Write NVRAM */
50 #define PMU_READ_NVRAM 0x3b /* Read NVRAM */
52 #define PMU_EJECT_PCMCIA 0x4c /* Eject PCMCIA slot */
54 #define PMU_SET_BRIGHTNESS 0x41 /* Set backlight brightness */
55 #define PMU_READ_BRIGHTNESS 0xd9 /* Read brightness button position */
57 #define PMU_POWER_EVENTS 0x8f /* Send power-event commands to PMU */
58 #define PMU_SYSTEM_READY 0xdf /* tell PMU we are awake */
60 #define PMU_BATTERY_STATE 0x6b /* Read old battery state */
61 #define PMU_SMART_BATTERY_STATE 0x6f /* Read battery state */
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
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 */
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 */
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? */
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 ?) */
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 */
106 /* PMU PMU_POWER_EVENTS commands */
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,
116 /* PMU Power Information */
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)
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
131 #define PMU_I2C_BUS_STATUS 0
132 #define PMU_I2C_BUS_SYSCLK 1
133 #define PMU_I2C_BUS_POWER 2
135 #define PMU_I2C_STATUS_OK 0
136 #define PMU_I2C_STATUS_DATAREAD 1
137 #define PMU_I2C_STATUS_BUSY 0xfe
139 /* Power events wakeup bits */
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,
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 */
156 struct resource *sc_memr;
158 struct resource *sc_irq;
163 volatile int sc_autopoll;
165 struct cdev *sc_leddev;
167 uint8_t saved_regs[9];
170 struct pmu_battstate {
179 int pmu_set_speed(int low_speed);
181 #endif /* PMUVAR_H */