pmuvar.h revision 260674
1/*-
2 * Copyright (c) 2006 Michael Lorenz
3 * Copyright (c) 2008 Nathan Whitehorn
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/10/sys/powerpc/powermac/pmuvar.h 260674 2014-01-15 06:17:15Z jhibbits $
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
103/* PMU PMU_POWER_EVENTS commands */
104enum {
105	PMU_PWR_GET_POWERUP_EVENTS      = 0x00,
106	PMU_PWR_SET_POWERUP_EVENTS      = 0x01,
107	PMU_PWR_CLR_POWERUP_EVENTS      = 0x02,
108	PMU_PWR_GET_WAKEUP_EVENTS       = 0x03,
109	PMU_PWR_SET_WAKEUP_EVENTS       = 0x04,
110	PMU_PWR_CLR_WAKEUP_EVENTS       = 0x05,
111};
112
113/* PMU Power Information */
114
115#define PMU_PWR_AC_PRESENT	(1 << 0)
116#define PMU_PWR_BATT_CHARGING	(1 << 1)
117#define PMU_PWR_BATT_PRESENT	(1 << 2)
118#define PMU_PWR_BATT_FULL	(1 << 5)
119#define PMU_PWR_PCHARGE_RESET	(1 << 6)
120#define PMU_PWR_BATT_EXIST	(1 << 7)
121
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 */
137enum {
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
150struct 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
167struct pmu_battstate {
168	int state;
169
170	int charge;
171	int maxcharge;
172	int current;
173	int voltage;
174};
175
176int pmu_set_speed(int low_speed);
177
178#endif /* PMUVAR_H */
179