Root/
1 | /* |
2 | * Definitions for talking to the PMU. The PMU is a microcontroller |
3 | * which controls battery charging and system power on PowerBook 3400 |
4 | * and 2400 models as well as the RTC and various other things. |
5 | * |
6 | * Copyright (C) 1998 Paul Mackerras. |
7 | */ |
8 | |
9 | |
10 | #define PMU_DRIVER_VERSION 2 |
11 | |
12 | /* |
13 | * PMU commands |
14 | */ |
15 | #define PMU_POWER_CTRL0 0x10 /* control power of some devices */ |
16 | #define PMU_POWER_CTRL 0x11 /* control power of some devices */ |
17 | #define PMU_ADB_CMD 0x20 /* send ADB packet */ |
18 | #define PMU_ADB_POLL_OFF 0x21 /* disable ADB auto-poll */ |
19 | #define PMU_WRITE_NVRAM 0x33 /* write non-volatile RAM */ |
20 | #define PMU_READ_NVRAM 0x3b /* read non-volatile RAM */ |
21 | #define PMU_SET_RTC 0x30 /* set real-time clock */ |
22 | #define PMU_READ_RTC 0x38 /* read real-time clock */ |
23 | #define PMU_SET_VOLBUTTON 0x40 /* set volume up/down position */ |
24 | #define PMU_BACKLIGHT_BRIGHT 0x41 /* set backlight brightness */ |
25 | #define PMU_GET_VOLBUTTON 0x48 /* get volume up/down position */ |
26 | #define PMU_PCEJECT 0x4c /* eject PC-card from slot */ |
27 | #define PMU_BATTERY_STATE 0x6b /* report battery state etc. */ |
28 | #define PMU_SMART_BATTERY_STATE 0x6f /* report battery state (new way) */ |
29 | #define PMU_SET_INTR_MASK 0x70 /* set PMU interrupt mask */ |
30 | #define PMU_INT_ACK 0x78 /* read interrupt bits */ |
31 | #define PMU_SHUTDOWN 0x7e /* turn power off */ |
32 | #define PMU_CPU_SPEED 0x7d /* control CPU speed on some models */ |
33 | #define PMU_SLEEP 0x7f /* put CPU to sleep */ |
34 | #define PMU_POWER_EVENTS 0x8f /* Send power-event commands to PMU */ |
35 | #define PMU_I2C_CMD 0x9a /* I2C operations */ |
36 | #define PMU_RESET 0xd0 /* reset CPU */ |
37 | #define PMU_GET_BRIGHTBUTTON 0xd9 /* report brightness up/down pos */ |
38 | #define PMU_GET_COVER 0xdc /* report cover open/closed */ |
39 | #define PMU_SYSTEM_READY 0xdf /* tell PMU we are awake */ |
40 | #define PMU_GET_VERSION 0xea /* read the PMU version */ |
41 | |
42 | /* Bits to use with the PMU_POWER_CTRL0 command */ |
43 | #define PMU_POW0_ON 0x80 /* OR this to power ON the device */ |
44 | #define PMU_POW0_OFF 0x00 /* leave bit 7 to 0 to power it OFF */ |
45 | #define PMU_POW0_HARD_DRIVE 0x04 /* Hard drive power (on wallstreet/lombard ?) */ |
46 | |
47 | /* Bits to use with the PMU_POWER_CTRL command */ |
48 | #define PMU_POW_ON 0x80 /* OR this to power ON the device */ |
49 | #define PMU_POW_OFF 0x00 /* leave bit 7 to 0 to power it OFF */ |
50 | #define PMU_POW_BACKLIGHT 0x01 /* backlight power */ |
51 | #define PMU_POW_CHARGER 0x02 /* battery charger power */ |
52 | #define PMU_POW_IRLED 0x04 /* IR led power (on wallstreet) */ |
53 | #define PMU_POW_MEDIABAY 0x08 /* media bay power (wallstreet/lombard ?) */ |
54 | |
55 | /* Bits in PMU interrupt and interrupt mask bytes */ |
56 | #define PMU_INT_PCEJECT 0x04 /* PC-card eject buttons */ |
57 | #define PMU_INT_SNDBRT 0x08 /* sound/brightness up/down buttons */ |
58 | #define PMU_INT_ADB 0x10 /* ADB autopoll or reply data */ |
59 | #define PMU_INT_BATTERY 0x20 /* Battery state change */ |
60 | #define PMU_INT_ENVIRONMENT 0x40 /* Environment interrupts */ |
61 | #define PMU_INT_TICK 0x80 /* 1-second tick interrupt */ |
62 | |
63 | /* Other bits in PMU interrupt valid when PMU_INT_ADB is set */ |
64 | #define PMU_INT_ADB_AUTO 0x04 /* ADB autopoll, when PMU_INT_ADB */ |
65 | #define PMU_INT_WAITING_CHARGER 0x01 /* ??? */ |
66 | #define PMU_INT_AUTO_SRQ_POLL 0x02 /* ??? */ |
67 | |
68 | /* Bits in the environement message (either obtained via PMU_GET_COVER, |
69 | * or via PMU_INT_ENVIRONMENT on core99 */ |
70 | #define PMU_ENV_LID_CLOSED 0x01 /* The lid is closed */ |
71 | |
72 | /* I2C related definitions */ |
73 | #define PMU_I2C_MODE_SIMPLE 0 |
74 | #define PMU_I2C_MODE_STDSUB 1 |
75 | #define PMU_I2C_MODE_COMBINED 2 |
76 | |
77 | #define PMU_I2C_BUS_STATUS 0 |
78 | #define PMU_I2C_BUS_SYSCLK 1 |
79 | #define PMU_I2C_BUS_POWER 2 |
80 | |
81 | #define PMU_I2C_STATUS_OK 0 |
82 | #define PMU_I2C_STATUS_DATAREAD 1 |
83 | #define PMU_I2C_STATUS_BUSY 0xfe |
84 | |
85 | |
86 | /* Kind of PMU (model) */ |
87 | enum { |
88 | PMU_UNKNOWN, |
89 | PMU_OHARE_BASED, /* 2400, 3400, 3500 (old G3 powerbook) */ |
90 | PMU_HEATHROW_BASED, /* PowerBook G3 series */ |
91 | PMU_PADDINGTON_BASED, /* 1999 PowerBook G3 */ |
92 | PMU_KEYLARGO_BASED, /* Core99 motherboard (PMU99) */ |
93 | PMU_68K_V1, /* 68K PMU, version 1 */ |
94 | PMU_68K_V2, /* 68K PMU, version 2 */ |
95 | }; |
96 | |
97 | /* PMU PMU_POWER_EVENTS commands */ |
98 | enum { |
99 | PMU_PWR_GET_POWERUP_EVENTS = 0x00, |
100 | PMU_PWR_SET_POWERUP_EVENTS = 0x01, |
101 | PMU_PWR_CLR_POWERUP_EVENTS = 0x02, |
102 | PMU_PWR_GET_WAKEUP_EVENTS = 0x03, |
103 | PMU_PWR_SET_WAKEUP_EVENTS = 0x04, |
104 | PMU_PWR_CLR_WAKEUP_EVENTS = 0x05, |
105 | }; |
106 | |
107 | /* Power events wakeup bits */ |
108 | enum { |
109 | PMU_PWR_WAKEUP_KEY = 0x01, /* Wake on key press */ |
110 | PMU_PWR_WAKEUP_AC_INSERT = 0x02, /* Wake on AC adapter plug */ |
111 | PMU_PWR_WAKEUP_AC_CHANGE = 0x04, |
112 | PMU_PWR_WAKEUP_LID_OPEN = 0x08, |
113 | PMU_PWR_WAKEUP_RING = 0x10, |
114 | }; |
115 | |
116 | /* |
117 | * Ioctl commands for the /dev/pmu device |
118 | */ |
119 | #include <linux/ioctl.h> |
120 | |
121 | /* no param */ |
122 | #define PMU_IOC_SLEEP _IO('B', 0) |
123 | /* out param: u32* backlight value: 0 to 15 */ |
124 | #define PMU_IOC_GET_BACKLIGHT _IOR('B', 1, size_t) |
125 | /* in param: u32 backlight value: 0 to 15 */ |
126 | #define PMU_IOC_SET_BACKLIGHT _IOW('B', 2, size_t) |
127 | /* out param: u32* PMU model */ |
128 | #define PMU_IOC_GET_MODEL _IOR('B', 3, size_t) |
129 | /* out param: u32* has_adb: 0 or 1 */ |
130 | #define PMU_IOC_HAS_ADB _IOR('B', 4, size_t) |
131 | /* out param: u32* can_sleep: 0 or 1 */ |
132 | #define PMU_IOC_CAN_SLEEP _IOR('B', 5, size_t) |
133 | /* no param, but historically was _IOR('B', 6, 0), meaning 4 bytes */ |
134 | #define PMU_IOC_GRAB_BACKLIGHT _IOR('B', 6, size_t) |
135 | |
136 | #ifdef __KERNEL__ |
137 | |
138 | extern int find_via_pmu(void); |
139 | |
140 | extern int pmu_request(struct adb_request *req, |
141 | void (*done)(struct adb_request *), int nbytes, ...); |
142 | extern int pmu_queue_request(struct adb_request *req); |
143 | extern void pmu_poll(void); |
144 | extern void pmu_poll_adb(void); /* For use by xmon */ |
145 | extern void pmu_wait_complete(struct adb_request *req); |
146 | |
147 | /* For use before switching interrupts off for a long time; |
148 | * warning: not stackable |
149 | */ |
150 | #if defined(CONFIG_ADB_PMU) |
151 | extern void pmu_suspend(void); |
152 | extern void pmu_resume(void); |
153 | #else |
154 | static inline void pmu_suspend(void) |
155 | {} |
156 | static inline void pmu_resume(void) |
157 | {} |
158 | #endif |
159 | |
160 | extern void pmu_enable_irled(int on); |
161 | |
162 | extern void pmu_restart(void); |
163 | extern void pmu_shutdown(void); |
164 | extern void pmu_unlock(void); |
165 | |
166 | extern int pmu_present(void); |
167 | extern int pmu_get_model(void); |
168 | |
169 | extern void pmu_backlight_set_sleep(int sleep); |
170 | |
171 | #define PMU_MAX_BATTERIES 2 |
172 | |
173 | /* values for pmu_power_flags */ |
174 | #define PMU_PWR_AC_PRESENT 0x00000001 |
175 | |
176 | /* values for pmu_battery_info.flags */ |
177 | #define PMU_BATT_PRESENT 0x00000001 |
178 | #define PMU_BATT_CHARGING 0x00000002 |
179 | #define PMU_BATT_TYPE_MASK 0x000000f0 |
180 | #define PMU_BATT_TYPE_SMART 0x00000010 /* Smart battery */ |
181 | #define PMU_BATT_TYPE_HOOPER 0x00000020 /* 3400/3500 */ |
182 | #define PMU_BATT_TYPE_COMET 0x00000030 /* 2400 */ |
183 | |
184 | struct pmu_battery_info |
185 | { |
186 | unsigned int flags; |
187 | unsigned int charge; /* current charge */ |
188 | unsigned int max_charge; /* maximum charge */ |
189 | signed int amperage; /* current, positive if charging */ |
190 | unsigned int voltage; /* voltage */ |
191 | unsigned int time_remaining; /* remaining time */ |
192 | }; |
193 | |
194 | extern int pmu_battery_count; |
195 | extern struct pmu_battery_info pmu_batteries[PMU_MAX_BATTERIES]; |
196 | extern unsigned int pmu_power_flags; |
197 | |
198 | /* Backlight */ |
199 | extern void pmu_backlight_init(void); |
200 | |
201 | /* some code needs to know if the PMU was suspended for hibernation */ |
202 | #if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) |
203 | extern int pmu_sys_suspended; |
204 | #else |
205 | /* if power management is not configured it can't be suspended */ |
206 | #define pmu_sys_suspended 0 |
207 | #endif |
208 | |
209 | #endif /* __KERNEL__ */ |
210 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9