4 * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
5 * VA Linux Systems Japan K.K.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, see
19 * <http://www.gnu.org/licenses/>.
22 #include "qapi/error.h"
23 #include "qemu/typedefs.h"
24 #include "qemu/notify.h"
25 #include "qemu/option.h"
26 #include "exec/memory.h"
30 * current device naming scheme supports up to 256 memory devices
32 #define ACPI_MAX_RAM_SLOTS 256
34 /* from linux include/acpi/actype.h */
35 /* Default ACPI register widths */
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
42 /* PM Timer ticks per second (HZ) */
43 #define PM_TIMER_FREQUENCY 3579545
46 /* ACPI fixed hardware registers */
48 /* from linux/drivers/acpi/acpica/aclocal.h */
49 /* Masks used to access the bit_registers */
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 /* ACPI 3.0 */
59 #define ACPI_BITMASK_WAKE_STATUS 0x8000
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)
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 /* ACPI 3.0 */
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)
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
92 #define ACPI_BITMASK_ARB_DISABLE 0x0001
94 /* These values are part of guest ABI, and can not be changed */
96 ACPI_PCI_HOTPLUG_STATUS
= 2,
97 ACPI_CPU_HOTPLUG_STATUS
= 4,
98 ACPI_MEMORY_HOTPLUG_STATUS
= 8,
102 typedef struct ACPIPMTimer ACPIPMTimer
;
103 typedef struct ACPIPM1EVT ACPIPM1EVT
;
104 typedef struct ACPIPM1CNT ACPIPM1CNT
;
105 typedef struct ACPIGPE ACPIGPE
;
106 typedef struct ACPIREGS ACPIREGS
;
108 typedef void (*acpi_update_sci_fn
)(ACPIREGS
*ar
);
113 int64_t overflow_time
;
115 acpi_update_sci_fn update_sci
;
122 acpi_update_sci_fn update_sci
;
149 void acpi_pm_tmr_update(ACPIREGS
*ar
, bool enable
);
150 void acpi_pm_tmr_calc_overflow_time(ACPIREGS
*ar
);
151 void acpi_pm_tmr_init(ACPIREGS
*ar
, acpi_update_sci_fn update_sci
,
152 MemoryRegion
*parent
);
153 void acpi_pm_tmr_reset(ACPIREGS
*ar
);
155 #include "qemu/timer.h"
156 static inline int64_t acpi_pm_tmr_get_clock(void)
158 return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL
), PM_TIMER_FREQUENCY
,
159 get_ticks_per_sec());
162 /* PM1a_EVT: piix and ich9 don't implement PM1b. */
163 uint16_t acpi_pm1_evt_get_sts(ACPIREGS
*ar
);
164 void acpi_pm1_evt_power_down(ACPIREGS
*ar
);
165 void acpi_pm1_evt_reset(ACPIREGS
*ar
);
166 void acpi_pm1_evt_init(ACPIREGS
*ar
, acpi_update_sci_fn update_sci
,
167 MemoryRegion
*parent
);
169 /* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */
170 void acpi_pm1_cnt_init(ACPIREGS
*ar
, MemoryRegion
*parent
,
171 bool disable_s3
, bool disable_s4
, uint8_t s4_val
);
172 void acpi_pm1_cnt_update(ACPIREGS
*ar
,
173 bool sci_enable
, bool sci_disable
);
174 void acpi_pm1_cnt_reset(ACPIREGS
*ar
);
177 void acpi_gpe_init(ACPIREGS
*ar
, uint8_t len
);
178 void acpi_gpe_reset(ACPIREGS
*ar
);
180 void acpi_gpe_ioport_writeb(ACPIREGS
*ar
, uint32_t addr
, uint32_t val
);
181 uint32_t acpi_gpe_ioport_readb(ACPIREGS
*ar
, uint32_t addr
);
183 void acpi_send_gpe_event(ACPIREGS
*ar
, qemu_irq irq
,
184 AcpiGPEStatusBits status
);
186 void acpi_update_sci(ACPIREGS
*acpi_regs
, qemu_irq irq
);
189 extern int acpi_enabled
;
190 extern char unsigned *acpi_tables
;
191 extern size_t acpi_tables_len
;
193 uint8_t *acpi_table_first(void);
194 uint8_t *acpi_table_next(uint8_t *current
);
195 unsigned acpi_table_len(void *current
);
196 void acpi_table_add(const QemuOpts
*opts
, Error
**errp
);
197 void acpi_table_add_builtin(const QemuOpts
*opts
, Error
**errp
);
199 #endif /* !QEMU_HW_ACPI_H */