1#ifndef QEMU_HW_ACPI_H
2#define QEMU_HW_ACPI_H
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23#include "qemu/notify.h"
24#include "qemu/option.h"
25#include "exec/memory.h"
26#include "hw/irq.h"
27#include "hw/acpi/acpi_dev_interface.h"
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31
32#define ACPI_MAX_RAM_SLOTS 256
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36
37#define ACPI_GPE_REGISTER_WIDTH 8
38#define ACPI_PM1_REGISTER_WIDTH 16
39#define ACPI_PM2_REGISTER_WIDTH 8
40#define ACPI_PM_TIMER_WIDTH 32
41
42
43#define PM_TIMER_FREQUENCY 3579545
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51
52#define ACPI_BITMASK_TIMER_STATUS 0x0001
53#define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010
54#define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020
55#define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100
56#define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200
57#define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400
58#define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000
59#define ACPI_BITMASK_WAKE_STATUS 0x8000
60
61#define ACPI_BITMASK_ALL_FIXED_STATUS (\
62 ACPI_BITMASK_TIMER_STATUS | \
63 ACPI_BITMASK_BUS_MASTER_STATUS | \
64 ACPI_BITMASK_GLOBAL_LOCK_STATUS | \
65 ACPI_BITMASK_POWER_BUTTON_STATUS | \
66 ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
67 ACPI_BITMASK_RT_CLOCK_STATUS | \
68 ACPI_BITMASK_WAKE_STATUS)
69
70
71#define ACPI_BITMASK_TIMER_ENABLE 0x0001
72#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020
73#define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100
74#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200
75#define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400
76#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000
77
78#define ACPI_BITMASK_PM1_COMMON_ENABLED ( \
79 ACPI_BITMASK_RT_CLOCK_ENABLE | \
80 ACPI_BITMASK_POWER_BUTTON_ENABLE | \
81 ACPI_BITMASK_GLOBAL_LOCK_ENABLE | \
82 ACPI_BITMASK_TIMER_ENABLE)
83
84
85#define ACPI_BITMASK_SCI_ENABLE 0x0001
86#define ACPI_BITMASK_BUS_MASTER_RLD 0x0002
87#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004
88#define ACPI_BITMASK_SLEEP_TYPE 0x1C00
89#define ACPI_BITMASK_SLEEP_ENABLE 0x2000
90
91
92#define ACPI_BITMASK_ARB_DISABLE 0x0001
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94
95typedef struct ACPIPMTimer ACPIPMTimer;
96typedef struct ACPIPM1EVT ACPIPM1EVT;
97typedef struct ACPIPM1CNT ACPIPM1CNT;
98typedef struct ACPIGPE ACPIGPE;
99typedef struct ACPIREGS ACPIREGS;
100
101typedef void (*acpi_update_sci_fn)(ACPIREGS *ar);
102
103struct ACPIPMTimer {
104 QEMUTimer *timer;
105 MemoryRegion io;
106 int64_t overflow_time;
107
108 acpi_update_sci_fn update_sci;
109};
110
111struct ACPIPM1EVT {
112 MemoryRegion io;
113 uint16_t sts;
114 uint16_t en;
115 acpi_update_sci_fn update_sci;
116};
117
118struct ACPIPM1CNT {
119 MemoryRegion io;
120 uint16_t cnt;
121 uint8_t s4_val;
122};
123
124struct ACPIGPE {
125 uint8_t len;
126
127 uint8_t *sts;
128 uint8_t *en;
129};
130
131struct ACPIREGS {
132 ACPIPMTimer tmr;
133 ACPIGPE gpe;
134 struct {
135 ACPIPM1EVT evt;
136 ACPIPM1CNT cnt;
137 } pm1;
138 Notifier wakeup;
139};
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141
142void acpi_pm_tmr_update(ACPIREGS *ar, bool enable);
143void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar);
144void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
145 MemoryRegion *parent);
146void acpi_pm_tmr_reset(ACPIREGS *ar);
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149uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar);
150void acpi_pm1_evt_power_down(ACPIREGS *ar);
151void acpi_pm1_evt_reset(ACPIREGS *ar);
152void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
153 MemoryRegion *parent);
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155
156void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent,
157 bool disable_s3, bool disable_s4, uint8_t s4_val);
158void acpi_pm1_cnt_update(ACPIREGS *ar,
159 bool sci_enable, bool sci_disable);
160void acpi_pm1_cnt_reset(ACPIREGS *ar);
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162
163void acpi_gpe_init(ACPIREGS *ar, uint8_t len);
164void acpi_gpe_reset(ACPIREGS *ar);
165
166void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val);
167uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr);
168
169void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq,
170 AcpiEventStatusBits status);
171
172void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq);
173
174
175extern int acpi_enabled;
176extern char unsigned *acpi_tables;
177extern size_t acpi_tables_len;
178
179uint8_t *acpi_table_first(void);
180uint8_t *acpi_table_next(uint8_t *current);
181unsigned acpi_table_len(void *current);
182void acpi_table_add(const QemuOpts *opts, Error **errp);
183void acpi_table_add_builtin(const QemuOpts *opts, Error **errp);
184
185typedef struct AcpiSlicOem AcpiSlicOem;
186struct AcpiSlicOem {
187 char *id;
188 char *table_id;
189};
190int acpi_get_slic_oem(AcpiSlicOem *oem);
191
192#endif
193