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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
/*
* 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.
* Copyright (C) 2016 Ben Herrenschmidt
*/
#ifndef PMU_H
#define PMU_H
#include "hw/misc/mos6522.h"
#include "hw/misc/macio/gpio.h"
/*
* PMU commands
*/
#define PMU_POWER_CTRL0 0x10 /* control power of some devices */
#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_SMART_BATTERY_STATE 0x6f /* report battery state (new way) */
#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_CPU_SPEED 0x7d /* control CPU speed on some models */
#define PMU_SLEEP 0x7f /* put CPU to sleep */
#define PMU_POWER_EVENTS 0x8f /* Send power-event commands to PMU */
#define PMU_I2C_CMD 0x9a /* I2C operations */
#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 */
#define PMU_SYSTEM_READY 0xdf /* tell PMU we are awake */
#define PMU_DOWNLOAD_STATUS 0xe2 /* Called by MacOS during boot... */
#define PMU_READ_PMU_RAM 0xe8 /* read the PMU RAM... ??? */
#define PMU_GET_VERSION 0xea /* read the PMU version */
/* Bits to use with the PMU_POWER_CTRL0 command */
#define PMU_POW0_ON 0x80 /* OR this to power ON the device */
#define PMU_POW0_OFF 0x00 /* leave bit 7 to 0 to power it OFF */
#define PMU_POW0_HARD_DRIVE 0x04 /* Hard drive power
* (on wallstreet/lombard ?) */
/* 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_CHARGER 0x02 /* battery charger power */
#define PMU_POW_IRLED 0x04 /* IR led power (on wallstreet) */
#define PMU_POW_MEDIABAY 0x08 /* media bay power
* (wallstreet/lombard ?) */
/* Bits in PMU interrupt and interrupt mask bytes */
#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 /* Battery state change */
#define PMU_INT_ENVIRONMENT 0x40 /* Environment interrupts */
#define PMU_INT_TICK 0x80 /* 1-second tick interrupt */
/* Other bits in PMU interrupt valid when PMU_INT_ADB is set */
#define PMU_INT_ADB_AUTO 0x04 /* ADB autopoll, when PMU_INT_ADB */
#define PMU_INT_WAITING_CHARGER 0x01 /* ??? */
#define PMU_INT_AUTO_SRQ_POLL 0x02 /* ??? */
/* Bits in the environement message (either obtained via PMU_GET_COVER,
* or via PMU_INT_ENVIRONMENT on core99 */
#define PMU_ENV_LID_CLOSED 0x01 /* The lid is closed */
/* I2C related definitions */
#define PMU_I2C_MODE_SIMPLE 0
#define PMU_I2C_MODE_STDSUB 1
#define PMU_I2C_MODE_COMBINED 2
#define PMU_I2C_BUS_STATUS 0
#define PMU_I2C_BUS_SYSCLK 1
#define PMU_I2C_BUS_POWER 2
#define PMU_I2C_STATUS_OK 0
#define PMU_I2C_STATUS_DATAREAD 1
#define PMU_I2C_STATUS_BUSY 0xfe
/* 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) */
PMU_68K_V1, /* 68K PMU, version 1 */
PMU_68K_V2, /* 68K PMU, version 2 */
};
/* PMU PMU_POWER_EVENTS commands */
enum {
PMU_PWR_GET_POWERUP_EVENTS = 0x00,
PMU_PWR_SET_POWERUP_EVENTS = 0x01,
PMU_PWR_CLR_POWERUP_EVENTS = 0x02,
PMU_PWR_GET_WAKEUP_EVENTS = 0x03,
PMU_PWR_SET_WAKEUP_EVENTS = 0x04,
PMU_PWR_CLR_WAKEUP_EVENTS = 0x05,
};
/* Power events wakeup bits */
enum {
PMU_PWR_WAKEUP_KEY = 0x01, /* Wake on key press */
PMU_PWR_WAKEUP_AC_INSERT = 0x02, /* Wake on AC adapter plug */
PMU_PWR_WAKEUP_AC_CHANGE = 0x04,
PMU_PWR_WAKEUP_LID_OPEN = 0x08,
PMU_PWR_WAKEUP_RING = 0x10,
};
/*
* This table indicates for each PMU opcode:
* - the number of data bytes to be sent with the command, or -1
* if a length byte should be sent,
* - the number of response bytes which the PMU will return, or
* -1 if it will send a length byte.
*/
static const int8_t pmu_data_len[256][2] = {
/* 0 1 2 3 4 5 6 7 */
{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},
{ 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{ 0, 1},{ 0, 1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{ 0, 0},
{-1, 0},{ 0, 0},{ 2, 0},{ 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0},
{ 0, -1},{ 0, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{ 0, -1},
{ 4, 0},{20, 0},{-1, 0},{ 3, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{ 0, 4},{ 0, 20},{ 2, -1},{ 2, 1},{ 3, -1},{-1, -1},{-1, -1},{ 4, 0},
{ 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{ 0, 1},{ 0, 1},{-1, -1},{ 1, 0},{ 1, 0},{-1, -1},{-1, -1},{-1, -1},
{ 1, 0},{ 0, 0},{ 2, 0},{ 2, 0},{-1, 0},{ 1, 0},{ 3, 0},{ 1, 0},
{ 0, 1},{ 1, 0},{ 0, 2},{ 0, 2},{ 0, -1},{-1, -1},{-1, -1},{-1, -1},
{ 2, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{ 0, 3},{ 0, 3},{ 0, 2},{ 0, 8},{ 0, -1},{ 0, -1},{-1, -1},{-1, -1},
{ 1, 0},{ 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{ 0, -1},{ 0, -1},{-1, -1},{-1, -1},{-1, -1},{ 5, 1},{ 4, 1},{ 4, 1},
{ 4, 0},{-1, 0},{ 0, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{ 0, 5},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},
{ 1, 0},{ 2, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{ 0, 1},{ 0, 1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},
{ 2, 0},{ 2, 0},{ 2, 0},{ 4, 0},{-1, 0},{ 0, 0},{-1, 0},{-1, 0},
{ 1, 1},{ 1, 0},{ 3, 0},{ 2, 0},{-1, -1},{-1, -1},{-1, -1},{-1, -1},
{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},
{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},
{ 0, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{ 1, 1},{ 1, 1},{-1, -1},{-1, -1},{ 0, 1},{ 0, -1},{-1, -1},{-1, -1},
{-1, 0},{ 4, 0},{ 0, 1},{-1, 0},{-1, 0},{ 4, 0},{-1, 0},{-1, 0},
{ 3, -1},{-1, -1},{ 0, 1},{-1, -1},{ 0, -1},{-1, -1},{-1, -1},{ 0, 0},
{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},
};
/* Command protocol state machine */
typedef enum {
pmu_state_idle, /* Waiting for command */
pmu_state_cmd, /* Receiving command */
pmu_state_rsp, /* Responding to command */
} PMUCmdState;
/* MOS6522 PMU */
typedef struct MOS6522PMUState {
/*< private >*/
MOS6522State parent_obj;
} MOS6522PMUState;
#define TYPE_MOS6522_PMU "mos6522-pmu"
#define MOS6522_PMU(obj) OBJECT_CHECK(MOS6522PMUState, (obj), \
TYPE_MOS6522_PMU)
/**
* PMUState:
* @last_b: last value of B register
*/
typedef struct PMUState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion mem;
uint64_t frequency;
qemu_irq via_irq;
bool via_irq_state;
/* PMU state */
MOS6522PMUState mos6522_pmu;
/* PMU low level protocol state */
PMUCmdState cmd_state;
uint8_t last_b;
uint8_t cmd;
uint32_t cmdlen;
uint32_t rsplen;
uint8_t cmd_buf_pos;
uint8_t cmd_buf[128];
uint8_t cmd_rsp_pos;
uint8_t cmd_rsp_sz;
uint8_t cmd_rsp[128];
/* PMU events/interrupts */
uint8_t intbits;
uint8_t intmask;
/* ADB */
bool has_adb;
ADBBusState adb_bus;
uint8_t adb_reply_size;
uint8_t adb_reply[ADB_MAX_OUT_LEN];
/* RTC */
uint32_t tick_offset;
QEMUTimer *one_sec_timer;
int64_t one_sec_target;
/* GPIO */
MacIOGPIOState *gpio;
} PMUState;
#define TYPE_VIA_PMU "via-pmu"
#define VIA_PMU(obj) OBJECT_CHECK(PMUState, (obj), TYPE_VIA_PMU)
#endif /* PMU_H */
|
