[ACPI] delete CONFIG_ACPI_PCI
[linux-2.6.git] / include / linux / acpi.h
1 /*
2  * acpi.h - ACPI Interface
3  *
4  * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
5  *
6  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program 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
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  *
22  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23  */
24
25 #ifndef _LINUX_ACPI_H
26 #define _LINUX_ACPI_H
27
28 #include <linux/config.h>
29
30 #ifdef  CONFIG_ACPI
31
32 #ifndef _LINUX
33 #define _LINUX
34 #endif
35
36 #include <linux/list.h>
37
38 #include <acpi/acpi.h>
39 #include <acpi/acpi_bus.h>
40 #include <acpi/acpi_drivers.h>
41 #include <asm/acpi.h>
42
43
44 #ifdef CONFIG_ACPI
45
46 enum acpi_irq_model_id {
47         ACPI_IRQ_MODEL_PIC = 0,
48         ACPI_IRQ_MODEL_IOAPIC,
49         ACPI_IRQ_MODEL_IOSAPIC,
50         ACPI_IRQ_MODEL_COUNT
51 };
52
53 extern enum acpi_irq_model_id   acpi_irq_model;
54
55
56 /* Root System Description Pointer (RSDP) */
57
58 struct acpi_table_rsdp {
59         char                    signature[8];
60         u8                      checksum;
61         char                    oem_id[6];
62         u8                      revision;
63         u32                     rsdt_address;
64 } __attribute__ ((packed));
65
66 struct acpi20_table_rsdp {
67         char                    signature[8];
68         u8                      checksum;
69         char                    oem_id[6];
70         u8                      revision;
71         u32                     rsdt_address;
72         u32                     length;
73         u64                     xsdt_address;
74         u8                      ext_checksum;
75         u8                      reserved[3];
76 } __attribute__ ((packed));
77
78 typedef struct {
79         u8                      type;
80         u8                      length;
81 } __attribute__ ((packed)) acpi_table_entry_header;
82
83 /* Root System Description Table (RSDT) */
84
85 struct acpi_table_rsdt {
86         struct acpi_table_header header;
87         u32                     entry[8];
88 } __attribute__ ((packed));
89
90 /* Extended System Description Table (XSDT) */
91
92 struct acpi_table_xsdt {
93         struct acpi_table_header header;
94         u64                     entry[1];
95 } __attribute__ ((packed));
96
97 /* Fixed ACPI Description Table (FADT) */
98
99 struct acpi_table_fadt {
100         struct acpi_table_header header;
101         u32 facs_addr;
102         u32 dsdt_addr;
103         /* ... */
104 } __attribute__ ((packed));
105
106 /* Multiple APIC Description Table (MADT) */
107
108 struct acpi_table_madt {
109         struct acpi_table_header header;
110         u32                     lapic_address;
111         struct {
112                 u32                     pcat_compat:1;
113                 u32                     reserved:31;
114         }                       flags;
115 } __attribute__ ((packed));
116
117 enum acpi_madt_entry_id {
118         ACPI_MADT_LAPIC = 0,
119         ACPI_MADT_IOAPIC,
120         ACPI_MADT_INT_SRC_OVR,
121         ACPI_MADT_NMI_SRC,
122         ACPI_MADT_LAPIC_NMI,
123         ACPI_MADT_LAPIC_ADDR_OVR,
124         ACPI_MADT_IOSAPIC,
125         ACPI_MADT_LSAPIC,
126         ACPI_MADT_PLAT_INT_SRC,
127         ACPI_MADT_ENTRY_COUNT
128 };
129
130 typedef struct {
131         u16                     polarity:2;
132         u16                     trigger:2;
133         u16                     reserved:12;
134 } __attribute__ ((packed)) acpi_interrupt_flags;
135
136 struct acpi_table_lapic {
137         acpi_table_entry_header header;
138         u8                      acpi_id;
139         u8                      id;
140         struct {
141                 u32                     enabled:1;
142                 u32                     reserved:31;
143         }                       flags;
144 } __attribute__ ((packed));
145
146 struct acpi_table_ioapic {
147         acpi_table_entry_header header;
148         u8                      id;
149         u8                      reserved;
150         u32                     address;
151         u32                     global_irq_base;
152 } __attribute__ ((packed));
153
154 struct acpi_table_int_src_ovr {
155         acpi_table_entry_header header;
156         u8                      bus;
157         u8                      bus_irq;
158         u32                     global_irq;
159         acpi_interrupt_flags    flags;
160 } __attribute__ ((packed));
161
162 struct acpi_table_nmi_src {
163         acpi_table_entry_header header;
164         acpi_interrupt_flags    flags;
165         u32                     global_irq;
166 } __attribute__ ((packed));
167
168 struct acpi_table_lapic_nmi {
169         acpi_table_entry_header header;
170         u8                      acpi_id;
171         acpi_interrupt_flags    flags;
172         u8                      lint;
173 } __attribute__ ((packed));
174
175 struct acpi_table_lapic_addr_ovr {
176         acpi_table_entry_header header;
177         u8                      reserved[2];
178         u64                     address;
179 } __attribute__ ((packed));
180
181 struct acpi_table_iosapic {
182         acpi_table_entry_header header;
183         u8                      id;
184         u8                      reserved;
185         u32                     global_irq_base;
186         u64                     address;
187 } __attribute__ ((packed));
188
189 struct acpi_table_lsapic {
190         acpi_table_entry_header header;
191         u8                      acpi_id;
192         u8                      id;
193         u8                      eid;
194         u8                      reserved[3];
195         struct {
196                 u32                     enabled:1;
197                 u32                     reserved:31;
198         }                       flags;
199 } __attribute__ ((packed));
200
201 struct acpi_table_plat_int_src {
202         acpi_table_entry_header header;
203         acpi_interrupt_flags    flags;
204         u8                      type;   /* See acpi_interrupt_type */
205         u8                      id;
206         u8                      eid;
207         u8                      iosapic_vector;
208         u32                     global_irq;
209         struct {
210                 u32                     cpei_override_flag:1;
211                 u32                     reserved:31;
212         }                       plint_flags;
213 } __attribute__ ((packed));
214
215 enum acpi_interrupt_id {
216         ACPI_INTERRUPT_PMI      = 1,
217         ACPI_INTERRUPT_INIT,
218         ACPI_INTERRUPT_CPEI,
219         ACPI_INTERRUPT_COUNT
220 };
221
222 #define ACPI_SPACE_MEM          0
223
224 struct acpi_gen_regaddr {
225         u8  space_id;
226         u8  bit_width;
227         u8  bit_offset;
228         u8  resv;
229         u32 addrl;
230         u32 addrh;
231 } __attribute__ ((packed));
232
233 struct acpi_table_hpet {
234         struct acpi_table_header header;
235         u32 id;
236         struct acpi_gen_regaddr addr;
237         u8 number;
238         u16 min_tick;
239         u8 page_protect;
240 } __attribute__ ((packed));
241
242 /*
243  * Simple Boot Flags
244  * http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
245  */
246 struct acpi_table_sbf
247 {
248         u8 sbf_signature[4];
249         u32 sbf_len;
250         u8 sbf_revision;
251         u8 sbf_csum;
252         u8 sbf_oemid[6];
253         u8 sbf_oemtable[8];
254         u8 sbf_revdata[4];
255         u8 sbf_creator[4];
256         u8 sbf_crearev[4];
257         u8 sbf_cmos;
258         u8 sbf_spare[3];
259 } __attribute__ ((packed));
260
261 /*
262  * System Resource Affinity Table (SRAT)
263  * http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
264  */
265
266 struct acpi_table_srat {
267         struct acpi_table_header header;
268         u32                     table_revision;
269         u64                     reserved;
270 } __attribute__ ((packed));
271
272 enum acpi_srat_entry_id {
273         ACPI_SRAT_PROCESSOR_AFFINITY = 0,
274         ACPI_SRAT_MEMORY_AFFINITY,
275         ACPI_SRAT_ENTRY_COUNT
276 };
277
278 struct acpi_table_processor_affinity {
279         acpi_table_entry_header header;
280         u8                      proximity_domain;
281         u8                      apic_id;
282         struct {
283                 u32                     enabled:1;
284                 u32                     reserved:31;
285         }                       flags;
286         u8                      lsapic_eid;
287         u8                      reserved[7];
288 } __attribute__ ((packed));
289
290 struct acpi_table_memory_affinity {
291         acpi_table_entry_header header;
292         u8                      proximity_domain;
293         u8                      reserved1[5];
294         u32                     base_addr_lo;
295         u32                     base_addr_hi;
296         u32                     length_lo;
297         u32                     length_hi;
298         u32                     memory_type;    /* See acpi_address_range_id */
299         struct {
300                 u32                     enabled:1;
301                 u32                     hot_pluggable:1;
302                 u32                     reserved:30;
303         }                       flags;
304         u64                     reserved2;
305 } __attribute__ ((packed));
306
307 enum acpi_address_range_id {
308         ACPI_ADDRESS_RANGE_MEMORY = 1,
309         ACPI_ADDRESS_RANGE_RESERVED = 2,
310         ACPI_ADDRESS_RANGE_ACPI = 3,
311         ACPI_ADDRESS_RANGE_NVS  = 4,
312         ACPI_ADDRESS_RANGE_COUNT
313 };
314
315 /*
316  * System Locality Information Table (SLIT)
317  *   see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
318  */
319
320 struct acpi_table_slit {
321         struct acpi_table_header header;
322         u64                     localities;
323         u8                      entry[1];       /* real size = localities^2 */
324 } __attribute__ ((packed));
325
326 /* Smart Battery Description Table (SBST) */
327
328 struct acpi_table_sbst {
329         struct acpi_table_header header;
330         u32                     warning;        /* Warn user */
331         u32                     low;            /* Critical sleep */
332         u32                     critical;       /* Critical shutdown */
333 } __attribute__ ((packed));
334
335 /* Embedded Controller Boot Resources Table (ECDT) */
336
337 struct acpi_table_ecdt {
338         struct acpi_table_header        header;
339         struct acpi_generic_address     ec_control;
340         struct acpi_generic_address     ec_data;
341         u32                             uid;
342         u8                              gpe_bit;
343         char                            ec_id[0];
344 } __attribute__ ((packed));
345
346 /* PCI MMCONFIG */
347
348 /* Defined in PCI Firmware Specification 3.0 */
349 struct acpi_table_mcfg_config {
350         u32                             base_address;
351         u32                             base_reserved;
352         u16                             pci_segment_group_number;
353         u8                              start_bus_number;
354         u8                              end_bus_number;
355         u8                              reserved[4];
356 } __attribute__ ((packed));
357 struct acpi_table_mcfg {
358         struct acpi_table_header        header;
359         u8                              reserved[8];
360         struct acpi_table_mcfg_config   config[0];
361 } __attribute__ ((packed));
362
363 /* Table Handlers */
364
365 enum acpi_table_id {
366         ACPI_TABLE_UNKNOWN = 0,
367         ACPI_APIC,
368         ACPI_BOOT,
369         ACPI_DBGP,
370         ACPI_DSDT,
371         ACPI_ECDT,
372         ACPI_ETDT,
373         ACPI_FADT,
374         ACPI_FACS,
375         ACPI_OEMX,
376         ACPI_PSDT,
377         ACPI_SBST,
378         ACPI_SLIT,
379         ACPI_SPCR,
380         ACPI_SRAT,
381         ACPI_SSDT,
382         ACPI_SPMI,
383         ACPI_HPET,
384         ACPI_MCFG,
385         ACPI_TABLE_COUNT
386 };
387
388 typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);
389
390 extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];
391
392 typedef int (*acpi_madt_entry_handler) (acpi_table_entry_header *header, const unsigned long end);
393
394 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
395 unsigned long acpi_find_rsdp (void);
396 int acpi_boot_init (void);
397 int acpi_boot_table_init (void);
398 int acpi_numa_init (void);
399
400 int acpi_table_init (void);
401 int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
402 int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
403 int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
404 int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
405 int acpi_parse_mcfg (unsigned long phys_addr, unsigned long size);
406 void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
407 void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
408 void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
409
410 /* the following four functions are architecture-dependent */
411 void acpi_numa_slit_init (struct acpi_table_slit *slit);
412 void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
413 void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
414 void acpi_numa_arch_fixup(void);
415
416 #ifdef CONFIG_ACPI_HOTPLUG_CPU
417 /* Arch dependent functions for cpu hotplug support */
418 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
419 int acpi_unmap_lsapic(int cpu);
420 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
421
422 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
423 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
424
425 extern int acpi_mp_config;
426
427 extern struct acpi_table_mcfg_config *pci_mmcfg_config;
428 extern int pci_mmcfg_config_num;
429
430 extern int sbf_port ;
431
432 #else   /* !CONFIG_ACPI */
433
434 #define acpi_mp_config  0
435
436 #endif  /* !CONFIG_ACPI */
437
438 int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
439 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
440
441 /*
442  * This function undoes the effect of one call to acpi_register_gsi().
443  * If this matches the last registration, any IRQ resources for gsi
444  * are freed.
445  */
446 void acpi_unregister_gsi (u32 gsi);
447
448 #ifdef CONFIG_ACPI
449
450 struct acpi_prt_entry {
451         struct list_head        node;
452         struct acpi_pci_id      id;
453         u8                      pin;
454         struct {
455                 acpi_handle             handle;
456                 u32                     index;
457         }                       link;
458         u32                     irq;
459 };
460
461 struct acpi_prt_list {
462         int                     count;
463         struct list_head        entries;
464 };
465
466 struct pci_dev;
467
468 int acpi_pci_irq_enable (struct pci_dev *dev);
469 void acpi_penalize_isa_irq(int irq, int active);
470
471 void acpi_pci_irq_disable (struct pci_dev *dev);
472
473 struct acpi_pci_driver {
474         struct acpi_pci_driver *next;
475         int (*add)(acpi_handle handle);
476         void (*remove)(acpi_handle handle);
477 };
478
479 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
480 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
481
482 #endif /* CONFIG_ACPI */
483
484 #ifdef CONFIG_ACPI_EC
485
486 extern int ec_read(u8 addr, u8 *val);
487 extern int ec_write(u8 addr, u8 val);
488
489 #endif /*CONFIG_ACPI_EC*/
490
491 extern int acpi_blacklisted(void);
492 extern void acpi_bios_year(char *s);
493
494 #define ACPI_CSTATE_LIMIT_DEFINED       /* for driver builds */
495 #ifdef  CONFIG_ACPI
496
497 /*
498  * Set highest legal C-state
499  * 0: C0 okay, but not C1
500  * 1: C1 okay, but not C2
501  * 2: C2 okay, but not C3 etc.
502  */
503
504 extern unsigned int max_cstate;
505
506 static inline unsigned int acpi_get_cstate_limit(void)
507 {
508         return max_cstate;
509 }
510 static inline void acpi_set_cstate_limit(unsigned int new_limit)
511 {
512         max_cstate = new_limit;
513         return;
514 }
515 #else
516 static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
517 static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
518 #endif
519
520 #ifdef CONFIG_ACPI_NUMA
521 int acpi_get_pxm(acpi_handle handle);
522 #else
523 static inline int acpi_get_pxm(acpi_handle handle)
524 {
525         return 0;
526 }
527 #endif
528
529 extern int pnpacpi_disabled;
530
531 #else   /* CONFIG_ACPI */
532
533 static inline int acpi_boot_init(void)
534 {
535         return 0;
536 }
537
538 static inline int acpi_boot_table_init(void)
539 {
540         return 0;
541 }
542
543 #endif  /* CONFIG_ACPI */
544 #endif  /*_LINUX_ACPI_H*/