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25#ifndef _LINUX_ACPI_H
26#define _LINUX_ACPI_H
27
28#ifndef _LINUX
29#define _LINUX
30#endif
31
32#include <linux/list.h>
33
34#include <acpi/acpi.h>
35#include <acpi/acpi_bus.h>
36#include <acpi/acpi_drivers.h>
37#include <asm/acpi.h>
38
39
40#ifdef CONFIG_ACPI_BOOT
41
42enum acpi_irq_model_id {
43 ACPI_IRQ_MODEL_PIC = 0,
44 ACPI_IRQ_MODEL_IOAPIC,
45 ACPI_IRQ_MODEL_IOSAPIC,
46 ACPI_IRQ_MODEL_COUNT
47};
48
49extern enum acpi_irq_model_id acpi_irq_model;
50
51
52
53
54struct acpi_table_rsdp {
55 char signature[8];
56 u8 checksum;
57 char oem_id[6];
58 u8 revision;
59 u32 rsdt_address;
60} __attribute__ ((packed));
61
62struct acpi20_table_rsdp {
63 char signature[8];
64 u8 checksum;
65 char oem_id[6];
66 u8 revision;
67 u32 rsdt_address;
68 u32 length;
69 u64 xsdt_address;
70 u8 ext_checksum;
71 u8 reserved[3];
72} __attribute__ ((packed));
73
74typedef struct {
75 u8 type;
76 u8 length;
77} __attribute__ ((packed)) acpi_table_entry_header;
78
79
80
81struct acpi_table_rsdt {
82 struct acpi_table_header header;
83 u32 entry[1];
84} __attribute__ ((packed));
85
86
87
88struct acpi_table_xsdt {
89 struct acpi_table_header header;
90 u64 entry[1];
91} __attribute__ ((packed));
92
93
94
95struct acpi_table_fadt {
96 struct acpi_table_header header;
97 u32 facs_addr;
98 u32 dsdt_addr;
99
100} __attribute__ ((packed));
101
102
103
104struct acpi_table_madt {
105 struct acpi_table_header header;
106 u32 lapic_address;
107 struct {
108 u32 pcat_compat:1;
109 u32 reserved:31;
110 } flags;
111} __attribute__ ((packed));
112
113enum acpi_madt_entry_id {
114 ACPI_MADT_LAPIC = 0,
115 ACPI_MADT_IOAPIC,
116 ACPI_MADT_INT_SRC_OVR,
117 ACPI_MADT_NMI_SRC,
118 ACPI_MADT_LAPIC_NMI,
119 ACPI_MADT_LAPIC_ADDR_OVR,
120 ACPI_MADT_IOSAPIC,
121 ACPI_MADT_LSAPIC,
122 ACPI_MADT_PLAT_INT_SRC,
123 ACPI_MADT_ENTRY_COUNT
124};
125
126typedef struct {
127 u16 polarity:2;
128 u16 trigger:2;
129 u16 reserved:12;
130} __attribute__ ((packed)) acpi_interrupt_flags;
131
132struct acpi_table_lapic {
133 acpi_table_entry_header header;
134 u8 acpi_id;
135 u8 id;
136 struct {
137 u32 enabled:1;
138 u32 reserved:31;
139 } flags;
140} __attribute__ ((packed));
141
142struct acpi_table_ioapic {
143 acpi_table_entry_header header;
144 u8 id;
145 u8 reserved;
146 u32 address;
147 u32 global_irq_base;
148} __attribute__ ((packed));
149
150struct acpi_table_int_src_ovr {
151 acpi_table_entry_header header;
152 u8 bus;
153 u8 bus_irq;
154 u32 global_irq;
155 acpi_interrupt_flags flags;
156} __attribute__ ((packed));
157
158struct acpi_table_nmi_src {
159 acpi_table_entry_header header;
160 acpi_interrupt_flags flags;
161 u32 global_irq;
162} __attribute__ ((packed));
163
164struct acpi_table_lapic_nmi {
165 acpi_table_entry_header header;
166 u8 acpi_id;
167 acpi_interrupt_flags flags;
168 u8 lint;
169} __attribute__ ((packed));
170
171struct acpi_table_lapic_addr_ovr {
172 acpi_table_entry_header header;
173 u8 reserved[2];
174 u64 address;
175} __attribute__ ((packed));
176
177struct acpi_table_iosapic {
178 acpi_table_entry_header header;
179 u8 id;
180 u8 reserved;
181 u32 global_irq_base;
182 u64 address;
183} __attribute__ ((packed));
184
185struct acpi_table_lsapic {
186 acpi_table_entry_header header;
187 u8 acpi_id;
188 u8 id;
189 u8 eid;
190 u8 reserved[3];
191 struct {
192 u32 enabled:1;
193 u32 reserved:31;
194 } flags;
195} __attribute__ ((packed));
196
197struct acpi_table_plat_int_src {
198 acpi_table_entry_header header;
199 acpi_interrupt_flags flags;
200 u8 type;
201 u8 id;
202 u8 eid;
203 u8 iosapic_vector;
204 u32 global_irq;
205 u32 reserved;
206} __attribute__ ((packed));
207
208enum acpi_interrupt_id {
209 ACPI_INTERRUPT_PMI = 1,
210 ACPI_INTERRUPT_INIT,
211 ACPI_INTERRUPT_CPEI,
212 ACPI_INTERRUPT_COUNT
213};
214
215#define ACPI_SPACE_MEM 0
216
217struct acpi_gen_regaddr {
218 u8 space_id;
219 u8 bit_width;
220 u8 bit_offset;
221 u8 resv;
222 u32 addrl;
223 u32 addrh;
224} __attribute__ ((packed));
225
226struct acpi_table_hpet {
227 struct acpi_table_header header;
228 u32 id;
229 struct acpi_gen_regaddr addr;
230 u8 number;
231 u16 min_tick;
232 u8 page_protect;
233} __attribute__ ((packed));
234
235
236
237
238
239
240struct acpi_table_srat {
241 struct acpi_table_header header;
242 u32 table_revision;
243 u64 reserved;
244} __attribute__ ((packed));
245
246enum acpi_srat_entry_id {
247 ACPI_SRAT_PROCESSOR_AFFINITY = 0,
248 ACPI_SRAT_MEMORY_AFFINITY,
249 ACPI_SRAT_ENTRY_COUNT
250};
251
252struct acpi_table_processor_affinity {
253 acpi_table_entry_header header;
254 u8 proximity_domain;
255 u8 apic_id;
256 struct {
257 u32 enabled:1;
258 u32 reserved:31;
259 } flags;
260 u8 lsapic_eid;
261 u8 reserved[7];
262} __attribute__ ((packed));
263
264struct acpi_table_memory_affinity {
265 acpi_table_entry_header header;
266 u8 proximity_domain;
267 u8 reserved1[5];
268 u32 base_addr_lo;
269 u32 base_addr_hi;
270 u32 length_lo;
271 u32 length_hi;
272 u32 memory_type;
273 struct {
274 u32 enabled:1;
275 u32 hot_pluggable:1;
276 u32 reserved:30;
277 } flags;
278 u64 reserved2;
279} __attribute__ ((packed));
280
281enum acpi_address_range_id {
282 ACPI_ADDRESS_RANGE_MEMORY = 1,
283 ACPI_ADDRESS_RANGE_RESERVED = 2,
284 ACPI_ADDRESS_RANGE_ACPI = 3,
285 ACPI_ADDRESS_RANGE_NVS = 4,
286 ACPI_ADDRESS_RANGE_COUNT
287};
288
289
290
291
292
293
294struct acpi_table_slit {
295 struct acpi_table_header header;
296 u64 localities;
297 u8 entry[1];
298} __attribute__ ((packed));
299
300
301
302struct acpi_table_sbst {
303 struct acpi_table_header header;
304 u32 warning;
305 u32 low;
306 u32 critical;
307} __attribute__ ((packed));
308
309
310
311struct acpi_table_ecdt {
312 struct acpi_table_header header;
313 struct acpi_generic_address ec_control;
314 struct acpi_generic_address ec_data;
315 u32 uid;
316 u8 gpe_bit;
317 char ec_id[0];
318} __attribute__ ((packed));
319
320
321
322
323struct acpi_table_mcfg {
324 struct acpi_table_header header;
325 u8 reserved[8];
326 u32 base_address;
327 u32 base_reserved;
328} __attribute__ ((packed));
329
330enum acpi_table_id {
331 ACPI_TABLE_UNKNOWN = 0,
332 ACPI_APIC,
333 ACPI_BOOT,
334 ACPI_DBGP,
335 ACPI_DSDT,
336 ACPI_ECDT,
337 ACPI_ETDT,
338 ACPI_FADT,
339 ACPI_FACS,
340 ACPI_OEMX,
341 ACPI_PSDT,
342 ACPI_SBST,
343 ACPI_SLIT,
344 ACPI_SPCR,
345 ACPI_SRAT,
346 ACPI_SSDT,
347 ACPI_SPMI,
348 ACPI_HPET,
349 ACPI_MCFG,
350 ACPI_TABLE_COUNT
351};
352
353typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);
354
355extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];
356
357typedef int (*acpi_madt_entry_handler) (acpi_table_entry_header *header);
358
359char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
360unsigned long acpi_find_rsdp (void);
361int acpi_boot_init (void);
362int acpi_numa_init (void);
363
364int acpi_table_init (void);
365int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
366int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
367int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler);
368int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler);
369void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
370void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
371void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
372
373
374void acpi_numa_slit_init (struct acpi_table_slit *slit);
375void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
376void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
377void acpi_numa_arch_fixup(void);
378
379#else
380
381static inline int acpi_boot_init(void)
382{
383 return 0;
384}
385
386#endif
387
388
389#ifdef CONFIG_ACPI_PCI
390
391struct acpi_prt_entry {
392 struct list_head node;
393 struct acpi_pci_id id;
394 u8 pin;
395 struct {
396 acpi_handle handle;
397 u32 index;
398 } link;
399 u32 irq;
400};
401
402struct acpi_prt_list {
403 int count;
404 struct list_head entries;
405};
406
407extern struct acpi_prt_list acpi_prt;
408
409struct pci_dev;
410
411int acpi_pci_irq_enable (struct pci_dev *dev);
412int acpi_pci_irq_init (void);
413
414struct acpi_pci_driver {
415 struct acpi_pci_driver *next;
416 int (*add)(acpi_handle handle);
417 void (*remove)(acpi_handle handle);
418};
419
420int acpi_pci_register_driver(struct acpi_pci_driver *driver);
421void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
422
423#endif
424
425#ifdef CONFIG_ACPI_EC
426
427int ec_read(u8 addr, u8 *val);
428int ec_write(u8 addr, u8 val);
429
430#endif
431
432#ifdef CONFIG_ACPI_INTERPRETER
433
434int acpi_blacklisted(void);
435
436#else
437
438static inline int acpi_blacklisted(void)
439{
440 return 0;
441}
442
443#endif
444
445#endif
446
