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Kevin O'Connor276d4a92008-06-11 22:47:01 -04001#ifndef __ACPI_H
2#define __ACPI_H
3
4#include "types.h" // u32
5
David Woodhoused338eb92013-02-23 00:24:49 +00006/*
7 * ACPI 2.0 Generic Address Space definition.
8 */
9struct acpi_20_generic_address {
10 u8 address_space_id;
11 u8 register_bit_width;
12 u8 register_bit_offset;
13 u8 reserved;
14 u64 address;
15} PACKED;
Kevin O'Connor276d4a92008-06-11 22:47:01 -040016
Kevin O'Connore10e6f82008-06-21 19:46:43 -040017#define RSDP_SIGNATURE 0x2052545020445352LL // "RSD PTR "
18
Kevin O'Connor35746442009-02-27 20:54:51 -050019struct rsdp_descriptor { /* Root System Descriptor Pointer */
20 u64 signature; /* ACPI signature, contains "RSD PTR " */
21 u8 checksum; /* To make sum of struct == 0 */
22 u8 oem_id [6]; /* OEM identification */
23 u8 revision; /* Must be 0 for 1.0, 2 for 2.0 */
24 u32 rsdt_physical_address; /* 32-bit physical address of RSDT */
25 u32 length; /* XSDT Length in bytes including hdr */
26 u64 xsdt_physical_address; /* 64-bit physical address of XSDT */
27 u8 extended_checksum; /* Checksum of entire table */
28 u8 reserved [3]; /* Reserved field must be 0 */
Kevin O'Connor276d4a92008-06-11 22:47:01 -040029};
30
Isaku Yamahatad06afb42010-07-20 16:37:17 +090031/* Table structure from Linux kernel (the ACPI tables are under the
32 BSD license) */
33
34#define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \
35 u32 signature; /* ACPI signature (4 ASCII characters) */ \
36 u32 length; /* Length of table, in bytes, including header */ \
37 u8 revision; /* ACPI Specification minor version # */ \
38 u8 checksum; /* To make sum of entire table == 0 */ \
39 u8 oem_id [6]; /* OEM identification */ \
40 u8 oem_table_id [8]; /* OEM table identification */ \
41 u32 oem_revision; /* OEM revision number */ \
42 u8 asl_compiler_id [4]; /* ASL compiler vendor ID */ \
43 u32 asl_compiler_revision; /* ASL compiler revision number */
44
zhanghailiang2e73b1d2014-08-21 17:23:40 +080045/*
46 * Fixed ACPI Description Table Fixed Feature Flags
47 */
48#define ACPI_FADT_F_WBINVD (1 << 0)
49#define ACPI_FADT_F_WBINVD_FLUSH (1 << 1)
50#define ACPI_FADT_F_PROC_C1 (1 << 2)
51#define ACPI_FADT_F_P_LVL2_UP (1 << 3)
52#define ACPI_FADT_F_PWR_BUTTON (1 << 4)
53#define ACPI_FADT_F_SLP_BUTTON (1 << 5)
54#define ACPI_FADT_F_FIX_RTC (1 << 6)
55#define ACPI_FADT_F_RTC_S4 (1 << 7)
56#define ACPI_FADT_F_TMR_VAL_EXT (1 << 8)
57#define ACPI_FADT_F_DCK_CAP (1 << 9)
58#define ACPI_FADT_F_RESET_REG_SUP (1 << 10)
59#define ACPI_FADT_F_SEALED_CASE (1 << 11)
60#define ACPI_FADT_F_HEADLESS (1 << 12)
61#define ACPI_FADT_F_CPU_SW_SLP (1 << 13)
62#define ACPI_FADT_F_PCI_EXP_WAK (1 << 14)
63#define ACPI_FADT_F_USE_PLATFORM_CLOCK (1 << 15)
64#define ACPI_FADT_F_S4_RTC_STS_VALID (1 << 16)
65#define ACPI_FADT_F_REMOTE_POWER_ON_CAPABLE (1 << 17)
66#define ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL (1 << 18)
67#define ACPI_FADT_F_FORCE_APIC_PHYSICAL_DESTINATION_MODE (1 << 19)
68#define ACPI_FADT_F_HW_REDUCED_ACPI (1 << 20)
69#define ACPI_FADT_F_LOW_POWER_S0_IDLE_CAPABLE (1 << 21)
Isaku Yamahatad06afb42010-07-20 16:37:17 +090070
71/*
72 * ACPI 1.0 Fixed ACPI Description Table (FADT)
73 */
74#define FACP_SIGNATURE 0x50434146 // FACP
75struct fadt_descriptor_rev1
76{
77 ACPI_TABLE_HEADER_DEF /* ACPI common table header */
78 u32 firmware_ctrl; /* Physical address of FACS */
79 u32 dsdt; /* Physical address of DSDT */
80 u8 model; /* System Interrupt Model */
81 u8 reserved1; /* Reserved */
82 u16 sci_int; /* System vector of SCI interrupt */
83 u32 smi_cmd; /* Port address of SMI command port */
84 u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */
85 u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */
86 u8 S4bios_req; /* Value to write to SMI CMD to enter S4BIOS state */
87 u8 reserved2; /* Reserved - must be zero */
88 u32 pm1a_evt_blk; /* Port address of Power Mgt 1a acpi_event Reg Blk */
89 u32 pm1b_evt_blk; /* Port address of Power Mgt 1b acpi_event Reg Blk */
90 u32 pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */
91 u32 pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */
92 u32 pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */
93 u32 pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */
94 u32 gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */
95 u32 gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */
96 u8 pm1_evt_len; /* Byte length of ports at pm1_x_evt_blk */
97 u8 pm1_cnt_len; /* Byte length of ports at pm1_x_cnt_blk */
98 u8 pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */
99 u8 pm_tmr_len; /* Byte Length of ports at pm_tm_blk */
100 u8 gpe0_blk_len; /* Byte Length of ports at gpe0_blk */
101 u8 gpe1_blk_len; /* Byte Length of ports at gpe1_blk */
102 u8 gpe1_base; /* Offset in gpe model where gpe1 events start */
103 u8 reserved3; /* Reserved */
104 u16 plvl2_lat; /* Worst case HW latency to enter/exit C2 state */
105 u16 plvl3_lat; /* Worst case HW latency to enter/exit C3 state */
106 u16 flush_size; /* Size of area read to flush caches */
107 u16 flush_stride; /* Stride used in flushing caches */
108 u8 duty_offset; /* Bit location of duty cycle field in p_cnt reg */
109 u8 duty_width; /* Bit width of duty cycle field in p_cnt reg */
110 u8 day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */
111 u8 mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */
112 u8 century; /* Index to century in RTC CMOS RAM */
113 u8 reserved4; /* Reserved */
114 u8 reserved4a; /* Reserved */
115 u8 reserved4b; /* Reserved */
Isaku Yamahatad06afb42010-07-20 16:37:17 +0900116 u32 flags;
Isaku Yamahatad06afb42010-07-20 16:37:17 +0900117} PACKED;
118
Kevin O'Connor45cced12013-03-30 09:34:10 -0400119struct acpi_table_header /* ACPI common table header */
120{
121 ACPI_TABLE_HEADER_DEF
122} PACKED;
123
124/*
125 * ACPI 1.0 Root System Description Table (RSDT)
126 */
127#define RSDT_SIGNATURE 0x54445352 // RSDT
128struct rsdt_descriptor_rev1
129{
130 ACPI_TABLE_HEADER_DEF /* ACPI common table header */
131 u32 table_offset_entry[0]; /* Array of pointers to other */
132 /* ACPI tables */
133} PACKED;
134
135/*
136 * ACPI 1.0 Firmware ACPI Control Structure (FACS)
137 */
138#define FACS_SIGNATURE 0x53434146 // FACS
139struct facs_descriptor_rev1
140{
141 u32 signature; /* ACPI Signature */
142 u32 length; /* Length of structure, in bytes */
143 u32 hardware_signature; /* Hardware configuration signature */
144 u32 firmware_waking_vector; /* ACPI OS waking vector */
145 u32 global_lock; /* Global Lock */
Kevin O'Connorb9a84c12013-03-30 09:40:07 -0400146 u32 flags;
Kevin O'Connor45cced12013-03-30 09:34:10 -0400147 u8 resverved3 [40]; /* Reserved - must be zero */
148} PACKED;
149
150/*
151 * Differentiated System Description Table (DSDT)
152 */
153#define DSDT_SIGNATURE 0x54445344 // DSDT
154
155/*
156 * MADT values and structures
157 */
158
159/* Values for MADT PCATCompat */
160
161#define DUAL_PIC 0
162#define MULTIPLE_APIC 1
163
164/* Master MADT */
165
166#define APIC_SIGNATURE 0x43495041 // APIC
167struct multiple_apic_table
168{
169 ACPI_TABLE_HEADER_DEF /* ACPI common table header */
170 u32 local_apic_address; /* Physical address of local APIC */
Kevin O'Connor45cced12013-03-30 09:34:10 -0400171 u32 flags;
Kevin O'Connor45cced12013-03-30 09:34:10 -0400172} PACKED;
173
174/* Values for Type in APIC sub-headers */
175
176#define APIC_PROCESSOR 0
177#define APIC_IO 1
178#define APIC_XRUPT_OVERRIDE 2
179#define APIC_NMI 3
180#define APIC_LOCAL_NMI 4
181#define APIC_ADDRESS_OVERRIDE 5
182#define APIC_IO_SAPIC 6
183#define APIC_LOCAL_SAPIC 7
184#define APIC_XRUPT_SOURCE 8
185#define APIC_RESERVED 9 /* 9 and greater are reserved */
186
187/*
188 * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
189 */
190#define ACPI_SUB_HEADER_DEF /* Common ACPI sub-structure header */\
191 u8 type; \
192 u8 length;
193
194/* Sub-structures for MADT */
195
196struct madt_processor_apic
197{
198 ACPI_SUB_HEADER_DEF
199 u8 processor_id; /* ACPI processor id */
200 u8 local_apic_id; /* Processor's local APIC id */
Kevin O'Connor45cced12013-03-30 09:34:10 -0400201 u32 flags;
Kevin O'Connor45cced12013-03-30 09:34:10 -0400202} PACKED;
203
204struct madt_io_apic
205{
206 ACPI_SUB_HEADER_DEF
207 u8 io_apic_id; /* I/O APIC ID */
208 u8 reserved; /* Reserved - must be zero */
209 u32 address; /* APIC physical address */
210 u32 interrupt; /* Global system interrupt where INTI
211 * lines start */
212} PACKED;
213
214struct madt_intsrcovr {
215 ACPI_SUB_HEADER_DEF
216 u8 bus;
217 u8 source;
218 u32 gsi;
219 u16 flags;
220} PACKED;
221
222struct madt_local_nmi {
223 ACPI_SUB_HEADER_DEF
224 u8 processor_id; /* ACPI processor id */
225 u16 flags; /* MPS INTI flags */
226 u8 lint; /* Local APIC LINT# */
227} PACKED;
228
229/*
230 * HPET Description Table
231 */
232#define HPET_SIGNATURE 0x54455048 // HPET
233struct acpi_20_hpet {
234 ACPI_TABLE_HEADER_DEF /* ACPI common table header */
235 u32 timer_block_id;
236 struct acpi_20_generic_address addr;
237 u8 hpet_number;
238 u16 min_tick;
239 u8 page_protect;
240} PACKED;
241
242/*
243 * SRAT (NUMA topology description) table
244 */
245
246#define SRAT_SIGNATURE 0x54415253 // SRAT
247struct system_resource_affinity_table
248{
249 ACPI_TABLE_HEADER_DEF
250 u32 reserved1;
251 u32 reserved2[2];
252} PACKED;
253
254#define SRAT_PROCESSOR 0
255#define SRAT_MEMORY 1
256
257struct srat_processor_affinity
258{
259 ACPI_SUB_HEADER_DEF
260 u8 proximity_lo;
261 u8 local_apic_id;
262 u32 flags;
263 u8 local_sapic_eid;
264 u8 proximity_hi[3];
265 u32 reserved;
266} PACKED;
267
268struct srat_memory_affinity
269{
270 ACPI_SUB_HEADER_DEF
271 u8 proximity[4];
272 u16 reserved1;
Kevin O'Connor51684b72013-03-30 10:18:47 -0400273 u64 base_addr;
274 u64 range_length;
Kevin O'Connor45cced12013-03-30 09:34:10 -0400275 u32 reserved2;
276 u32 flags;
277 u32 reserved3[2];
278} PACKED;
279
Gerd Hoffmann7e269b42012-11-28 10:17:35 +0100280/* PCI fw r3.0 MCFG table. */
281/* Subtable */
282struct acpi_mcfg_allocation {
283 u64 address; /* Base address, processor-relative */
284 u16 pci_segment; /* PCI segment group number */
285 u8 start_bus_number; /* Starting PCI Bus number */
286 u8 end_bus_number; /* Final PCI Bus number */
287 u32 reserved;
288} PACKED;
289
290#define MCFG_SIGNATURE 0x4746434d // MCFG
291struct acpi_table_mcfg {
292 ACPI_TABLE_HEADER_DEF;
293 u8 reserved[8];
294 struct acpi_mcfg_allocation allocation[0];
295} PACKED;
296
Stefan Bergerb310dfa2015-03-23 14:22:16 -0400297
298struct rsdt_descriptor {
299 ACPI_TABLE_HEADER_DEF
300 u32 entry[1];
301} PACKED;
302
303#define TCPA_SIGNATURE 0x41504354
304struct tcpa_descriptor_rev2
305{
306 ACPI_TABLE_HEADER_DEF
307 u16 platform_class;
308 u32 log_area_minimum_length;
309 u64 log_area_start_address;
310} PACKED;
311
312/* TCPA ACPI definitions */
313#define TCPA_ACPI_CLASS_CLIENT 0
314#define TCPA_ACPI_CLASS_SERVER 1
315
316
Kevin O'Connor276d4a92008-06-11 22:47:01 -0400317#endif // acpi.h