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990b150e IY |
1 | #ifndef QEMU_HW_ACPI_H |
2 | #define QEMU_HW_ACPI_H | |
3 | /* | |
4 | * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp> | |
5 | * VA Linux Systems Japan K.K. | |
6 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
1012e960 BS |
18 | * License along with this library; if not, see |
19 | * <http://www.gnu.org/licenses/>. | |
990b150e IY |
20 | */ |
21 | ||
e53339cf MT |
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" | |
27 | ||
990b150e IY |
28 | /* from linux include/acpi/actype.h */ |
29 | /* Default ACPI register widths */ | |
30 | ||
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 | |
35 | ||
36 | /* PM Timer ticks per second (HZ) */ | |
37 | #define PM_TIMER_FREQUENCY 3579545 | |
38 | ||
39 | ||
40 | /* ACPI fixed hardware registers */ | |
41 | ||
42 | /* from linux/drivers/acpi/acpica/aclocal.h */ | |
43 | /* Masks used to access the bit_registers */ | |
44 | ||
45 | /* PM1x_STS */ | |
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 | |
54 | ||
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) | |
63 | ||
64 | /* PM1x_EN */ | |
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 */ | |
71 | ||
72 | /* PM1x_CNT */ | |
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 | |
78 | ||
79 | /* PM2_CNT */ | |
80 | #define ACPI_BITMASK_ARB_DISABLE 0x0001 | |
81 | ||
067866d6 | 82 | /* structs */ |
a54d41a8 | 83 | typedef struct ACPIPMTimer ACPIPMTimer; |
067866d6 GH |
84 | typedef struct ACPIPM1EVT ACPIPM1EVT; |
85 | typedef struct ACPIPM1CNT ACPIPM1CNT; | |
86 | typedef struct ACPIGPE ACPIGPE; | |
355bf2e5 | 87 | typedef struct ACPIREGS ACPIREGS; |
a54d41a8 | 88 | |
355bf2e5 | 89 | typedef void (*acpi_update_sci_fn)(ACPIREGS *ar); |
a54d41a8 IY |
90 | |
91 | struct ACPIPMTimer { | |
92 | QEMUTimer *timer; | |
77d58b1e | 93 | MemoryRegion io; |
a54d41a8 IY |
94 | int64_t overflow_time; |
95 | ||
96 | acpi_update_sci_fn update_sci; | |
97 | }; | |
98 | ||
067866d6 | 99 | struct ACPIPM1EVT { |
b5a7c024 | 100 | MemoryRegion io; |
067866d6 GH |
101 | uint16_t sts; |
102 | uint16_t en; | |
b5a7c024 | 103 | acpi_update_sci_fn update_sci; |
067866d6 GH |
104 | }; |
105 | ||
106 | struct ACPIPM1CNT { | |
afafe4bb | 107 | MemoryRegion io; |
067866d6 | 108 | uint16_t cnt; |
afafe4bb | 109 | uint8_t s4_val; |
067866d6 GH |
110 | }; |
111 | ||
112 | struct ACPIGPE { | |
067866d6 GH |
113 | uint8_t len; |
114 | ||
115 | uint8_t *sts; | |
116 | uint8_t *en; | |
117 | }; | |
118 | ||
355bf2e5 GH |
119 | struct ACPIREGS { |
120 | ACPIPMTimer tmr; | |
121 | ACPIGPE gpe; | |
122 | struct { | |
123 | ACPIPM1EVT evt; | |
124 | ACPIPM1CNT cnt; | |
125 | } pm1; | |
da98c8eb | 126 | Notifier wakeup; |
355bf2e5 GH |
127 | }; |
128 | ||
067866d6 | 129 | /* PM_TMR */ |
355bf2e5 GH |
130 | void acpi_pm_tmr_update(ACPIREGS *ar, bool enable); |
131 | void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar); | |
77d58b1e GH |
132 | void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci, |
133 | MemoryRegion *parent); | |
355bf2e5 | 134 | void acpi_pm_tmr_reset(ACPIREGS *ar); |
a54d41a8 | 135 | |
1de7afc9 | 136 | #include "qemu/timer.h" |
a54d41a8 IY |
137 | static inline int64_t acpi_pm_tmr_get_clock(void) |
138 | { | |
bc72ad67 | 139 | return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), PM_TIMER_FREQUENCY, |
a54d41a8 IY |
140 | get_ticks_per_sec()); |
141 | } | |
990b150e | 142 | |
04dc308f | 143 | /* PM1a_EVT: piix and ich9 don't implement PM1b. */ |
2886be1b | 144 | uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar); |
355bf2e5 GH |
145 | void acpi_pm1_evt_power_down(ACPIREGS *ar); |
146 | void acpi_pm1_evt_reset(ACPIREGS *ar); | |
b5a7c024 GH |
147 | void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci, |
148 | MemoryRegion *parent); | |
04dc308f | 149 | |
eaba51c5 | 150 | /* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */ |
560e6396 | 151 | void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent, uint8_t s4_val); |
355bf2e5 | 152 | void acpi_pm1_cnt_update(ACPIREGS *ar, |
eaba51c5 | 153 | bool sci_enable, bool sci_disable); |
355bf2e5 | 154 | void acpi_pm1_cnt_reset(ACPIREGS *ar); |
eaba51c5 | 155 | |
23910d3f | 156 | /* GPE0 */ |
355bf2e5 | 157 | void acpi_gpe_init(ACPIREGS *ar, uint8_t len); |
355bf2e5 | 158 | void acpi_gpe_reset(ACPIREGS *ar); |
23910d3f | 159 | |
355bf2e5 GH |
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); | |
23910d3f | 162 | |
0445259b MT |
163 | /* acpi.c */ |
164 | extern int acpi_enabled; | |
165 | extern char unsigned *acpi_tables; | |
166 | extern size_t acpi_tables_len; | |
167 | ||
60de1163 MT |
168 | uint8_t *acpi_table_first(void); |
169 | uint8_t *acpi_table_next(uint8_t *current); | |
170 | unsigned acpi_table_len(void *current); | |
0445259b | 171 | void acpi_table_add(const QemuOpts *opts, Error **errp); |
60de1163 | 172 | void acpi_table_add_builtin(const QemuOpts *opts, Error **errp); |
0445259b | 173 | |
990b150e | 174 | #endif /* !QEMU_HW_ACPI_H */ |