1 | #ifndef QEMU_HW_ACPI_H |
2 | #define QEMU_HW_ACPI_H |
3 | |
4 | /* |
5 | * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp> |
6 | * VA Linux Systems Japan K.K. |
7 | * |
8 | * This library is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU Lesser General Public |
10 | * License as published by the Free Software Foundation; either |
11 | * version 2 of the License, or (at your option) any later version. |
12 | * |
13 | * This library is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. |
17 | * |
18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with this library; if not, see |
20 | * <http://www.gnu.org/licenses/>. |
21 | */ |
22 | |
23 | #include "qemu/notify.h" |
24 | #include "exec/memory.h" |
25 | #include "hw/acpi/acpi_dev_interface.h" |
26 | |
27 | /* |
28 | * current device naming scheme supports up to 256 memory devices |
29 | */ |
30 | #define ACPI_MAX_RAM_SLOTS 256 |
31 | |
32 | /* from linux include/acpi/actype.h */ |
33 | /* Default ACPI register widths */ |
34 | |
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 |
39 | |
40 | /* PC-style peripherals (also used by other machines). */ |
41 | #define ACPI_PM_PROP_S3_DISABLED "disable_s3" |
42 | #define ACPI_PM_PROP_S4_DISABLED "disable_s4" |
43 | #define ACPI_PM_PROP_S4_VAL "s4_val" |
44 | #define ACPI_PM_PROP_SCI_INT "sci_int" |
45 | #define ACPI_PM_PROP_ACPI_ENABLE_CMD "acpi_enable_cmd" |
46 | #define ACPI_PM_PROP_ACPI_DISABLE_CMD "acpi_disable_cmd" |
47 | #define ACPI_PM_PROP_PM_IO_BASE "pm_io_base" |
48 | #define ACPI_PM_PROP_GPE0_BLK "gpe0_blk" |
49 | #define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len" |
50 | |
51 | /* PM Timer ticks per second (HZ) */ |
52 | #define PM_TIMER_FREQUENCY 3579545 |
53 | |
54 | |
55 | /* ACPI fixed hardware registers */ |
56 | |
57 | /* from linux/drivers/acpi/acpica/aclocal.h */ |
58 | /* Masks used to access the bit_registers */ |
59 | |
60 | /* PM1x_STS */ |
61 | #define ACPI_BITMASK_TIMER_STATUS 0x0001 |
62 | #define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010 |
63 | #define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020 |
64 | #define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100 |
65 | #define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200 |
66 | #define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400 |
67 | #define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */ |
68 | #define ACPI_BITMASK_WAKE_STATUS 0x8000 |
69 | |
70 | #define ACPI_BITMASK_ALL_FIXED_STATUS (\ |
71 | ACPI_BITMASK_TIMER_STATUS | \ |
72 | ACPI_BITMASK_BUS_MASTER_STATUS | \ |
73 | ACPI_BITMASK_GLOBAL_LOCK_STATUS | \ |
74 | ACPI_BITMASK_POWER_BUTTON_STATUS | \ |
75 | ACPI_BITMASK_SLEEP_BUTTON_STATUS | \ |
76 | ACPI_BITMASK_RT_CLOCK_STATUS | \ |
77 | ACPI_BITMASK_WAKE_STATUS) |
78 | |
79 | /* PM1x_EN */ |
80 | #define ACPI_BITMASK_TIMER_ENABLE 0x0001 |
81 | #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020 |
82 | #define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100 |
83 | #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200 |
84 | #define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400 |
85 | #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */ |
86 | |
87 | #define ACPI_BITMASK_PM1_COMMON_ENABLED ( \ |
88 | ACPI_BITMASK_RT_CLOCK_ENABLE | \ |
89 | ACPI_BITMASK_POWER_BUTTON_ENABLE | \ |
90 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE | \ |
91 | ACPI_BITMASK_TIMER_ENABLE) |
92 | |
93 | /* PM1x_CNT */ |
94 | #define ACPI_BITMASK_SCI_ENABLE 0x0001 |
95 | #define ACPI_BITMASK_BUS_MASTER_RLD 0x0002 |
96 | #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004 |
97 | #define ACPI_BITMASK_SLEEP_TYPE 0x1C00 |
98 | #define ACPI_BITMASK_SLEEP_ENABLE 0x2000 |
99 | |
100 | /* PM2_CNT */ |
101 | #define ACPI_BITMASK_ARB_DISABLE 0x0001 |
102 | |
103 | /* structs */ |
104 | typedef struct ACPIPMTimer ACPIPMTimer; |
105 | typedef struct ACPIPM1EVT ACPIPM1EVT; |
106 | typedef struct ACPIPM1CNT ACPIPM1CNT; |
107 | typedef struct ACPIGPE ACPIGPE; |
108 | typedef struct ACPIREGS ACPIREGS; |
109 | |
110 | typedef void (*acpi_update_sci_fn)(ACPIREGS *ar); |
111 | |
112 | struct ACPIPMTimer { |
113 | QEMUTimer *timer; |
114 | MemoryRegion io; |
115 | int64_t overflow_time; |
116 | |
117 | acpi_update_sci_fn update_sci; |
118 | }; |
119 | |
120 | struct ACPIPM1EVT { |
121 | MemoryRegion io; |
122 | uint16_t sts; |
123 | uint16_t en; |
124 | acpi_update_sci_fn update_sci; |
125 | }; |
126 | |
127 | struct ACPIPM1CNT { |
128 | MemoryRegion io; |
129 | uint16_t cnt; |
130 | uint8_t s4_val; |
131 | }; |
132 | |
133 | struct ACPIGPE { |
134 | uint8_t len; |
135 | |
136 | uint8_t *sts; |
137 | uint8_t *en; |
138 | }; |
139 | |
140 | struct ACPIREGS { |
141 | ACPIPMTimer tmr; |
142 | ACPIGPE gpe; |
143 | struct { |
144 | ACPIPM1EVT evt; |
145 | ACPIPM1CNT cnt; |
146 | } pm1; |
147 | Notifier wakeup; |
148 | }; |
149 | |
150 | /* PM_TMR */ |
151 | void acpi_pm_tmr_update(ACPIREGS *ar, bool enable); |
152 | void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar); |
153 | void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci, |
154 | MemoryRegion *parent); |
155 | void acpi_pm_tmr_reset(ACPIREGS *ar); |
156 | |
157 | /* PM1a_EVT: piix and ich9 don't implement PM1b. */ |
158 | uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar); |
159 | void acpi_pm1_evt_power_down(ACPIREGS *ar); |
160 | void acpi_pm1_evt_reset(ACPIREGS *ar); |
161 | void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci, |
162 | MemoryRegion *parent); |
163 | |
164 | /* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */ |
165 | void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent, |
166 | bool disable_s3, bool disable_s4, uint8_t s4_val); |
167 | void acpi_pm1_cnt_update(ACPIREGS *ar, |
168 | bool sci_enable, bool sci_disable); |
169 | void acpi_pm1_cnt_reset(ACPIREGS *ar); |
170 | |
171 | /* GPE0 */ |
172 | void acpi_gpe_init(ACPIREGS *ar, uint8_t len); |
173 | void acpi_gpe_reset(ACPIREGS *ar); |
174 | |
175 | void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val); |
176 | uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr); |
177 | |
178 | void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq, |
179 | AcpiEventStatusBits status); |
180 | |
181 | void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq); |
182 | |
183 | /* acpi.c */ |
184 | extern int acpi_enabled; |
185 | extern char unsigned *acpi_tables; |
186 | extern size_t acpi_tables_len; |
187 | |
188 | uint8_t *acpi_table_first(void); |
189 | uint8_t *acpi_table_next(uint8_t *current); |
190 | unsigned acpi_table_len(void *current); |
191 | void acpi_table_add(const QemuOpts *opts, Error **errp); |
192 | |
193 | typedef struct AcpiSlicOem AcpiSlicOem; |
194 | struct AcpiSlicOem { |
195 | char *id; |
196 | char *table_id; |
197 | }; |
198 | int acpi_get_slic_oem(AcpiSlicOem *oem); |
199 | |
200 | #endif /* QEMU_HW_ACPI_H */ |
201 | |