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"
28 /* from linux include/acpi/actype.h */
29 /* Default ACPI register widths */
31 #define ACPI_GPE_REGISTER_WIDTH 8
32 #define ACPI_PM1_REGISTER_WIDTH 16
33 #define ACPI_PM2_REGISTER_WIDTH 8
34 #define ACPI_PM_TIMER_WIDTH 32
36 /* PM Timer ticks per second (HZ) */
37 #define PM_TIMER_FREQUENCY 3579545
40 /* ACPI fixed hardware registers */
42 /* from linux/drivers/acpi/acpica/aclocal.h */
43 /* Masks used to access the bit_registers */
46 #define ACPI_BITMASK_TIMER_STATUS 0x0001
47 #define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010
48 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020
49 #define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100
50 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200
51 #define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400
52 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */
53 #define ACPI_BITMASK_WAKE_STATUS 0x8000
55 #define ACPI_BITMASK_ALL_FIXED_STATUS (\
56 ACPI_BITMASK_TIMER_STATUS | \
57 ACPI_BITMASK_BUS_MASTER_STATUS | \
58 ACPI_BITMASK_GLOBAL_LOCK_STATUS | \
59 ACPI_BITMASK_POWER_BUTTON_STATUS | \
60 ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
61 ACPI_BITMASK_RT_CLOCK_STATUS | \
62 ACPI_BITMASK_WAKE_STATUS)
65 #define ACPI_BITMASK_TIMER_ENABLE 0x0001
66 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020
67 #define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100
68 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200
69 #define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400
70 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */
73 #define ACPI_BITMASK_SCI_ENABLE 0x0001
74 #define ACPI_BITMASK_BUS_MASTER_RLD 0x0002
75 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004
76 #define ACPI_BITMASK_SLEEP_TYPE 0x1C00
77 #define ACPI_BITMASK_SLEEP_ENABLE 0x2000
80 #define ACPI_BITMASK_ARB_DISABLE 0x0001
83 typedef struct ACPIPMTimer ACPIPMTimer
;
84 typedef struct ACPIPM1EVT ACPIPM1EVT
;
85 typedef struct ACPIPM1CNT ACPIPM1CNT
;
86 typedef struct ACPIGPE ACPIGPE
;
87 typedef struct ACPIREGS ACPIREGS
;
89 typedef void (*acpi_update_sci_fn
)(ACPIREGS
*ar
);
94 int64_t overflow_time
;
96 acpi_update_sci_fn update_sci
;
103 acpi_update_sci_fn update_sci
;
130 void acpi_pm_tmr_update(ACPIREGS
*ar
, bool enable
);
131 void acpi_pm_tmr_calc_overflow_time(ACPIREGS
*ar
);
132 void acpi_pm_tmr_init(ACPIREGS
*ar
, acpi_update_sci_fn update_sci
,
133 MemoryRegion
*parent
);
134 void acpi_pm_tmr_reset(ACPIREGS
*ar
);
136 #include "qemu/timer.h"
137 static inline int64_t acpi_pm_tmr_get_clock(void)
139 return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL
), PM_TIMER_FREQUENCY
,
140 get_ticks_per_sec());
143 /* PM1a_EVT: piix and ich9 don't implement PM1b. */
144 uint16_t acpi_pm1_evt_get_sts(ACPIREGS
*ar
);
145 void acpi_pm1_evt_power_down(ACPIREGS
*ar
);
146 void acpi_pm1_evt_reset(ACPIREGS
*ar
);
147 void acpi_pm1_evt_init(ACPIREGS
*ar
, acpi_update_sci_fn update_sci
,
148 MemoryRegion
*parent
);
150 /* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */
151 void acpi_pm1_cnt_init(ACPIREGS
*ar
, MemoryRegion
*parent
, uint8_t s4_val
);
152 void acpi_pm1_cnt_update(ACPIREGS
*ar
,
153 bool sci_enable
, bool sci_disable
);
154 void acpi_pm1_cnt_reset(ACPIREGS
*ar
);
157 void acpi_gpe_init(ACPIREGS
*ar
, uint8_t len
);
158 void acpi_gpe_reset(ACPIREGS
*ar
);
160 void acpi_gpe_ioport_writeb(ACPIREGS
*ar
, uint32_t addr
, uint32_t val
);
161 uint32_t acpi_gpe_ioport_readb(ACPIREGS
*ar
, uint32_t addr
);
164 extern int acpi_enabled
;
165 extern char unsigned *acpi_tables
;
166 extern size_t acpi_tables_len
;
168 void acpi_table_add(const QemuOpts
*opts
, Error
**errp
);
170 #endif /* !QEMU_HW_ACPI_H */