1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
* Definitions for talking to the PMU. The PMU is a microcontroller
* which controls battery charging and system power on PowerBook 3400
* and 2400 models as well as the RTC and various other things.
*
* Copyright (C) 1998 Paul Mackerras.
*/
#include <linux/config.h>
/*
* PMU commands
*/
#define PMU_POWER_CTRL 0x11 /* control power of some devices */
#define PMU_ADB_CMD 0x20 /* send ADB packet */
#define PMU_ADB_POLL_OFF 0x21 /* disable ADB auto-poll */
#define PMU_WRITE_NVRAM 0x33 /* write non-volatile RAM */
#define PMU_READ_NVRAM 0x3b /* read non-volatile RAM */
#define PMU_SET_RTC 0x30 /* set real-time clock */
#define PMU_READ_RTC 0x38 /* read real-time clock */
#define PMU_SET_VOLBUTTON 0x40 /* set volume up/down position */
#define PMU_BACKLIGHT_BRIGHT 0x41 /* set backlight brightness */
#define PMU_GET_VOLBUTTON 0x48 /* get volume up/down position */
#define PMU_PCEJECT 0x4c /* eject PC-card from slot */
#define PMU_BATTERY_STATE 0x6b /* report battery state etc. */
#define PMU_SET_INTR_MASK 0x70 /* set PMU interrupt mask */
#define PMU_INT_ACK 0x78 /* read interrupt bits */
#define PMU_SHUTDOWN 0x7e /* turn power off */
#define PMU_SLEEP 0x7f /* put CPU to sleep */
#define PMU_RESET 0xd0 /* reset CPU */
#define PMU_GET_BRIGHTBUTTON 0xd9 /* report brightness up/down pos */
#define PMU_GET_COVER 0xdc /* report cover open/closed */
/* 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_IRLED 0x04 /* IR led power (on wallstreet) */
/* 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_WAKEUP 0x40
#define PMU_INT_TICK 0x80 /* 1-second tick interrupt */
/* Kind of PMU (model) */
enum {
PMU_UNKNOWN,
PMU_OHARE_BASED, /* 2400, 3400, 3500 (old G3 powerbook) */
PMU_HEATHROW_BASED, /* PowerBook G3 series */
PMU_PADDINGTON_BASED, /* 1999 PowerBook G3 */
PMU_KEYLARGO_BASED, /* Core99 motherboard (PMU99) */
};
/*
* Ioctl commands for the /dev/pmu device
*/
#include <linux/ioctl.h>
/* no param */
#define PMU_IOC_SLEEP _IO('B', 0)
/* out param: u32* backlight value: 0 to 31 */
#define PMU_IOC_GET_BACKLIGHT _IOR('B', 1, sizeof(__u32*))
/* in param: u32 backlight value: 0 to 31 */
#define PMU_IOC_SET_BACKLIGHT _IOW('B', 2, sizeof(__u32))
/* out param: u32* backlight value: 0 to 31 */
#define PMU_IOC_GET_MODEL _IOR('B', 3, sizeof(__u32*))
/* out param: u32* has_adb: 0 or 1 */
#define PMU_IOC_HAS_ADB _IOR('B', 4, sizeof(__u32*))
#ifdef __KERNEL__
int find_via_pmu(void);
int via_pmu_init(void);
int pmu_request(struct adb_request *req,
void (*done)(struct adb_request *), int nbytes, ...);
void pmu_poll(void);
void pmu_enable_backlight(int on);
void pmu_set_brightness(int level);
void pmu_enable_irled(int on);
void pmu_restart(void);
void pmu_shutdown(void);
int pmu_present(void);
int pmu_get_model(void);
#ifdef CONFIG_PMAC_PBOOK
/*
* Stuff for putting the powerbook to sleep and waking it again.
*
*/
#include <linux/list.h>
struct pmu_sleep_notifier
{
int (*notifier_call)(struct pmu_sleep_notifier *self, int when);
int priority;
struct list_head list;
};
/* Code values for calling sleep/wakeup handlers
*
* Note: If a sleep request got cancelled, all drivers will get
* the PBOOK_SLEEP_REJECT, even those who didn't get the PBOOK_SLEEP_REQUEST.
*/
#define PBOOK_SLEEP_REQUEST 1
#define PBOOK_SLEEP_NOW 2
#define PBOOK_SLEEP_REJECT 3
#define PBOOK_WAKE 4
/* Result codes returned by the notifiers */
#define PBOOK_SLEEP_OK 0
#define PBOOK_SLEEP_REFUSE -1
/* priority levels in notifiers */
#define SLEEP_LEVEL_VIDEO 100 /* Video driver (first wake) */
#define SLEEP_LEVEL_SOUND 90 /* Sound driver */
#define SLEEP_LEVEL_MEDIABAY 80 /* Media bay driver */
#define SLEEP_LEVEL_BLOCK 70 /* IDE, SCSI */
#define SLEEP_LEVEL_NET 60 /* bmac */
#define SLEEP_LEVEL_ADB 50 /* ADB */
#define SLEEP_LEVEL_MISC 30 /* Anything */
#define SLEEP_LEVEL_LAST 0 /* Anything */
/* special register notifier functions */
int pmu_register_sleep_notifier(struct pmu_sleep_notifier* notifier);
int pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* notifier);
#endif /* CONFIG_PMAC_PBOOK */
#endif /* __KERNEL */
|
