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 "qemu/notify.h"
23 #include "qemu/option.h"
24 #include "exec/memory.h"
28 * current device naming scheme supports up to 256 memory devices
30 #define ACPI_MAX_RAM_SLOTS 256
32 /* from linux include/acpi/actype.h */
33 /* Default ACPI register widths */
35 #define ACPI_GPE_REGISTER_WIDTH 8
36 #define ACPI_PM1_REGISTER_WIDTH 16
37 #define ACPI_PM2_REGISTER_WIDTH 8
38 #define ACPI_PM_TIMER_WIDTH 32
40 /* PM Timer ticks per second (HZ) */
41 #define PM_TIMER_FREQUENCY 3579545
44 /* ACPI fixed hardware registers */
46 /* from linux/drivers/acpi/acpica/aclocal.h */
47 /* Masks used to access the bit_registers */
50 #define ACPI_BITMASK_TIMER_STATUS 0x0001
51 #define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010
52 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020
53 #define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100
54 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200
55 #define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400
56 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */
57 #define ACPI_BITMASK_WAKE_STATUS 0x8000
59 #define ACPI_BITMASK_ALL_FIXED_STATUS (\
60 ACPI_BITMASK_TIMER_STATUS | \
61 ACPI_BITMASK_BUS_MASTER_STATUS | \
62 ACPI_BITMASK_GLOBAL_LOCK_STATUS | \
63 ACPI_BITMASK_POWER_BUTTON_STATUS | \
64 ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
65 ACPI_BITMASK_RT_CLOCK_STATUS | \
66 ACPI_BITMASK_WAKE_STATUS)
69 #define ACPI_BITMASK_TIMER_ENABLE 0x0001
70 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020
71 #define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100
72 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200
73 #define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400
74 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */
76 #define ACPI_BITMASK_PM1_COMMON_ENABLED ( \
77 ACPI_BITMASK_RT_CLOCK_ENABLE | \
78 ACPI_BITMASK_POWER_BUTTON_ENABLE | \
79 ACPI_BITMASK_GLOBAL_LOCK_ENABLE | \
80 ACPI_BITMASK_TIMER_ENABLE)
83 #define ACPI_BITMASK_SCI_ENABLE 0x0001
84 #define ACPI_BITMASK_BUS_MASTER_RLD 0x0002
85 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004
86 #define ACPI_BITMASK_SLEEP_TYPE 0x1C00
87 #define ACPI_BITMASK_SLEEP_ENABLE 0x2000
90 #define ACPI_BITMASK_ARB_DISABLE 0x0001
92 /* These values are part of guest ABI, and can not be changed */
94 ACPI_PCI_HOTPLUG_STATUS
= 2,
95 ACPI_CPU_HOTPLUG_STATUS
= 4,
96 ACPI_MEMORY_HOTPLUG_STATUS
= 8,
100 typedef struct ACPIPMTimer ACPIPMTimer
;
101 typedef struct ACPIPM1EVT ACPIPM1EVT
;
102 typedef struct ACPIPM1CNT ACPIPM1CNT
;
103 typedef struct ACPIGPE ACPIGPE
;
104 typedef struct ACPIREGS ACPIREGS
;
106 typedef void (*acpi_update_sci_fn
)(ACPIREGS
*ar
);
111 int64_t overflow_time
;
113 acpi_update_sci_fn update_sci
;
120 acpi_update_sci_fn update_sci
;
147 void acpi_pm_tmr_update(ACPIREGS
*ar
, bool enable
);
148 void acpi_pm_tmr_calc_overflow_time(ACPIREGS
*ar
);
149 void acpi_pm_tmr_init(ACPIREGS
*ar
, acpi_update_sci_fn update_sci
,
150 MemoryRegion
*parent
);
151 void acpi_pm_tmr_reset(ACPIREGS
*ar
);
153 #include "qemu/timer.h"
154 static inline int64_t acpi_pm_tmr_get_clock(void)
156 return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL
), PM_TIMER_FREQUENCY
,
157 NANOSECONDS_PER_SECOND
);
160 /* PM1a_EVT: piix and ich9 don't implement PM1b. */
161 uint16_t acpi_pm1_evt_get_sts(ACPIREGS
*ar
);
162 void acpi_pm1_evt_power_down(ACPIREGS
*ar
);
163 void acpi_pm1_evt_reset(ACPIREGS
*ar
);
164 void acpi_pm1_evt_init(ACPIREGS
*ar
, acpi_update_sci_fn update_sci
,
165 MemoryRegion
*parent
);
167 /* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */
168 void acpi_pm1_cnt_init(ACPIREGS
*ar
, MemoryRegion
*parent
,
169 bool disable_s3
, bool disable_s4
, uint8_t s4_val
);
170 void acpi_pm1_cnt_update(ACPIREGS
*ar
,
171 bool sci_enable
, bool sci_disable
);
172 void acpi_pm1_cnt_reset(ACPIREGS
*ar
);
175 void acpi_gpe_init(ACPIREGS
*ar
, uint8_t len
);
176 void acpi_gpe_reset(ACPIREGS
*ar
);
178 void acpi_gpe_ioport_writeb(ACPIREGS
*ar
, uint32_t addr
, uint32_t val
);
179 uint32_t acpi_gpe_ioport_readb(ACPIREGS
*ar
, uint32_t addr
);
181 void acpi_send_gpe_event(ACPIREGS
*ar
, qemu_irq irq
,
182 AcpiGPEStatusBits status
);
184 void acpi_update_sci(ACPIREGS
*acpi_regs
, qemu_irq irq
);
187 extern int acpi_enabled
;
188 extern char unsigned *acpi_tables
;
189 extern size_t acpi_tables_len
;
191 uint8_t *acpi_table_first(void);
192 uint8_t *acpi_table_next(uint8_t *current
);
193 unsigned acpi_table_len(void *current
);
194 void acpi_table_add(const QemuOpts
*opts
, Error
**errp
);
195 void acpi_table_add_builtin(const QemuOpts
*opts
, Error
**errp
);
197 typedef struct AcpiSlicOem AcpiSlicOem
;
202 int acpi_get_slic_oem(AcpiSlicOem
*oem
);
204 #endif /* !QEMU_HW_ACPI_H */