[deliverable/linux.git] / include / linux / acpi.h

/*
 * acpi.h - ACPI Interface
 *
 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#ifndef _LINUX_ACPI_H
#define _LINUX_ACPI_H

#ifdef	CONFIG_ACPI

#ifndef _LINUX
#define _LINUX
#endif

#include <linux/list.h>

#include <acpi/acpi.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <asm/acpi.h>


#ifdef CONFIG_ACPI_BOOT

enum acpi_irq_model_id {
	ACPI_IRQ_MODEL_PIC = 0,
	ACPI_IRQ_MODEL_IOAPIC,
	ACPI_IRQ_MODEL_IOSAPIC,
	ACPI_IRQ_MODEL_COUNT
};

extern enum acpi_irq_model_id	acpi_irq_model;


/* Root System Description Pointer (RSDP) */

struct acpi_table_rsdp {
	char			signature[8];
	u8			checksum;
	char			oem_id[6];
	u8			revision;
	u32			rsdt_address;
} __attribute__ ((packed));

struct acpi20_table_rsdp {
	char			signature[8];
	u8			checksum;
	char			oem_id[6];
	u8			revision;
	u32			rsdt_address;
	u32			length;
	u64			xsdt_address;
	u8			ext_checksum;
	u8			reserved[3];
} __attribute__ ((packed));

typedef struct {
	u8			type;
	u8			length;
} __attribute__ ((packed)) acpi_table_entry_header;

/* Root System Description Table (RSDT) */

struct acpi_table_rsdt {
	struct acpi_table_header header;
	u32			entry[8];
} __attribute__ ((packed));

/* Extended System Description Table (XSDT) */

struct acpi_table_xsdt {
	struct acpi_table_header header;
	u64			entry[1];
} __attribute__ ((packed));

/* Fixed ACPI Description Table (FADT) */

struct acpi_table_fadt {
	struct acpi_table_header header;
	u32 facs_addr;
	u32 dsdt_addr;
	/* ... */
} __attribute__ ((packed));

/* Multiple APIC Description Table (MADT) */

struct acpi_table_madt {
	struct acpi_table_header header;
	u32			lapic_address;
	struct {
		u32			pcat_compat:1;
		u32			reserved:31;
	}			flags;
} __attribute__ ((packed));

enum acpi_madt_entry_id {
	ACPI_MADT_LAPIC = 0,
	ACPI_MADT_IOAPIC,
	ACPI_MADT_INT_SRC_OVR,
	ACPI_MADT_NMI_SRC,
	ACPI_MADT_LAPIC_NMI,
	ACPI_MADT_LAPIC_ADDR_OVR,
	ACPI_MADT_IOSAPIC,
	ACPI_MADT_LSAPIC,
	ACPI_MADT_PLAT_INT_SRC,
	ACPI_MADT_ENTRY_COUNT
};

typedef struct {
	u16			polarity:2;
	u16			trigger:2;
	u16			reserved:12;
} __attribute__ ((packed)) acpi_interrupt_flags;

struct acpi_table_lapic {
	acpi_table_entry_header	header;
	u8			acpi_id;
	u8			id;
	struct {
		u32			enabled:1;
		u32			reserved:31;
	}			flags;
} __attribute__ ((packed));

struct acpi_table_ioapic {
	acpi_table_entry_header	header;
	u8			id;
	u8			reserved;
	u32			address;
	u32			global_irq_base;
} __attribute__ ((packed));

struct acpi_table_int_src_ovr {
	acpi_table_entry_header	header;
	u8			bus;
	u8			bus_irq;
	u32			global_irq;
	acpi_interrupt_flags	flags;
} __attribute__ ((packed));

struct acpi_table_nmi_src {
	acpi_table_entry_header	header;
	acpi_interrupt_flags	flags;
	u32			global_irq;
} __attribute__ ((packed));

struct acpi_table_lapic_nmi {
	acpi_table_entry_header	header;
	u8			acpi_id;
	acpi_interrupt_flags	flags;
	u8			lint;
} __attribute__ ((packed));

struct acpi_table_lapic_addr_ovr {
	acpi_table_entry_header	header;
	u8			reserved[2];
	u64			address;
} __attribute__ ((packed));

struct acpi_table_iosapic {
	acpi_table_entry_header	header;
	u8			id;
	u8			reserved;
	u32			global_irq_base;
	u64			address;
} __attribute__ ((packed));

struct acpi_table_lsapic {
	acpi_table_entry_header	header;
	u8			acpi_id;
	u8			id;
	u8			eid;
	u8			reserved[3];
	struct {
		u32			enabled:1;
		u32			reserved:31;
	}			flags;
} __attribute__ ((packed));

struct acpi_table_plat_int_src {
	acpi_table_entry_header	header;
	acpi_interrupt_flags	flags;
	u8			type;	/* See acpi_interrupt_type */
	u8			id;
	u8			eid;
	u8			iosapic_vector;
	u32			global_irq;
	u32			reserved;
} __attribute__ ((packed));

enum acpi_interrupt_id {
	ACPI_INTERRUPT_PMI	= 1,
	ACPI_INTERRUPT_INIT,
	ACPI_INTERRUPT_CPEI,
	ACPI_INTERRUPT_COUNT
};

#define	ACPI_SPACE_MEM		0

struct acpi_gen_regaddr {
	u8  space_id;
	u8  bit_width;
	u8  bit_offset;
	u8  resv;
	u32 addrl;
	u32 addrh;
} __attribute__ ((packed));

struct acpi_table_hpet {
	struct acpi_table_header header;
	u32 id;
	struct acpi_gen_regaddr addr;
	u8 number;
	u16 min_tick;
	u8 page_protect;
} __attribute__ ((packed));

/*
 * Simple Boot Flags
 * http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
 */
struct acpi_table_sbf
{
	u8 sbf_signature[4];
	u32 sbf_len;
	u8 sbf_revision;
	u8 sbf_csum;
	u8 sbf_oemid[6];
	u8 sbf_oemtable[8];
	u8 sbf_revdata[4];
	u8 sbf_creator[4];
	u8 sbf_crearev[4];
	u8 sbf_cmos;
	u8 sbf_spare[3];
} __attribute__ ((packed));

/*
 * System Resource Affinity Table (SRAT)
 * http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
 */

struct acpi_table_srat {
	struct acpi_table_header header;
	u32			table_revision;
	u64			reserved;
} __attribute__ ((packed));

enum acpi_srat_entry_id {
	ACPI_SRAT_PROCESSOR_AFFINITY = 0,
	ACPI_SRAT_MEMORY_AFFINITY,
	ACPI_SRAT_ENTRY_COUNT
};

struct acpi_table_processor_affinity {
	acpi_table_entry_header	header;
	u8			proximity_domain;
	u8			apic_id;
	struct {
		u32			enabled:1;
		u32			reserved:31;
	}			flags;
	u8			lsapic_eid;
	u8			reserved[7];
} __attribute__ ((packed));

struct acpi_table_memory_affinity {
	acpi_table_entry_header	header;
	u8			proximity_domain;
	u8			reserved1[5];
	u32			base_addr_lo;
	u32			base_addr_hi;
	u32			length_lo;
	u32			length_hi;
	u32			memory_type;	/* See acpi_address_range_id */
	struct {
		u32			enabled:1;
		u32			hot_pluggable:1;
		u32			reserved:30;
	}			flags;
	u64			reserved2;
} __attribute__ ((packed));

enum acpi_address_range_id {
	ACPI_ADDRESS_RANGE_MEMORY = 1,
	ACPI_ADDRESS_RANGE_RESERVED = 2,
	ACPI_ADDRESS_RANGE_ACPI = 3,
	ACPI_ADDRESS_RANGE_NVS	= 4,
	ACPI_ADDRESS_RANGE_COUNT
};

/*
 * System Locality Information Table (SLIT)
 *   see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
 */

struct acpi_table_slit {
	struct acpi_table_header header;
	u64			localities;
	u8			entry[1];	/* real size = localities^2 */
} __attribute__ ((packed));

/* Smart Battery Description Table (SBST) */

struct acpi_table_sbst {
	struct acpi_table_header header;
	u32			warning;	/* Warn user */
	u32			low;		/* Critical sleep */
	u32			critical;	/* Critical shutdown */
} __attribute__ ((packed));

/* Embedded Controller Boot Resources Table (ECDT) */

struct acpi_table_ecdt {
	struct acpi_table_header 	header;
	struct acpi_generic_address	ec_control;
	struct acpi_generic_address	ec_data;
	u32				uid;
	u8				gpe_bit;
	char				ec_id[0];
} __attribute__ ((packed));

/* PCI MMCONFIG */

struct acpi_table_mcfg {
	struct acpi_table_header	header;
	u8				reserved[8];
	u32				base_address;
	u32				base_reserved;
} __attribute__ ((packed));

/* Table Handlers */

enum acpi_table_id {
	ACPI_TABLE_UNKNOWN = 0,
	ACPI_APIC,
	ACPI_BOOT,
	ACPI_DBGP,
	ACPI_DSDT,
	ACPI_ECDT,
	ACPI_ETDT,
	ACPI_FADT,
	ACPI_FACS,
	ACPI_OEMX,
	ACPI_PSDT,
	ACPI_SBST,
	ACPI_SLIT,
	ACPI_SPCR,
	ACPI_SRAT,
	ACPI_SSDT,
	ACPI_SPMI,
	ACPI_HPET,
	ACPI_MCFG,
	ACPI_TABLE_COUNT
};

typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);

extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];

typedef int (*acpi_madt_entry_handler) (acpi_table_entry_header *header, const unsigned long end);

char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
unsigned long acpi_find_rsdp (void);
int acpi_boot_init (void);
int acpi_boot_table_init (void);
int acpi_numa_init (void);

int acpi_table_init (void);
int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
void acpi_table_print_srat_entry (acpi_table_entry_header *srat);

/* the following four functions are architecture-dependent */
void acpi_numa_slit_init (struct acpi_table_slit *slit);
void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
void acpi_numa_arch_fixup(void);

#ifdef CONFIG_ACPI_HOTPLUG_CPU
/* Arch dependent functions for cpu hotplug support */
int acpi_map_lsapic(acpi_handle handle, int *pcpu);
int acpi_unmap_lsapic(int cpu);
#endif /* CONFIG_ACPI_HOTPLUG_CPU */

extern int acpi_mp_config;

extern u32 pci_mmcfg_base_addr;

extern int sbf_port ;

#else	/*!CONFIG_ACPI_BOOT*/

#define acpi_mp_config	0

static inline int acpi_boot_init(void)
{
	return 0;
}

static inline int acpi_boot_table_init(void)
{
	return 0;
}

#endif 	/*!CONFIG_ACPI_BOOT*/

unsigned int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);

/*
 * This function undoes the effect of one call to acpi_register_gsi().
 * If this matches the last registration, any IRQ resources for gsi
 * are freed.
 */
#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
void acpi_unregister_gsi (u32 gsi);
#endif

#ifdef CONFIG_ACPI_PCI

struct acpi_prt_entry {
	struct list_head	node;
	struct acpi_pci_id	id;
	u8			pin;
	struct {
		acpi_handle		handle;
		u32			index;
	}			link;
	u32			irq;
};

struct acpi_prt_list {
	int			count;
	struct list_head	entries;
};

struct pci_dev;

int acpi_pci_irq_enable (struct pci_dev *dev);
void acpi_penalize_isa_irq(int irq);

#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
void acpi_pci_irq_disable (struct pci_dev *dev);
#endif

struct acpi_pci_driver {
	struct acpi_pci_driver *next;
	int (*add)(acpi_handle handle);
	void (*remove)(acpi_handle handle);
};

int acpi_pci_register_driver(struct acpi_pci_driver *driver);
void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);

#endif /*CONFIG_ACPI_PCI*/

#ifdef CONFIG_ACPI_EC

extern int ec_read(u8 addr, u8 *val);
extern int ec_write(u8 addr, u8 val);

#endif /*CONFIG_ACPI_EC*/

#ifdef CONFIG_ACPI_INTERPRETER

extern int acpi_blacklisted(void);
extern void acpi_bios_year(char *s);

#else /*!CONFIG_ACPI_INTERPRETER*/

static inline int acpi_blacklisted(void)
{
	return 0;
}

#endif /*!CONFIG_ACPI_INTERPRETER*/

#define	ACPI_CSTATE_LIMIT_DEFINED	/* for driver builds */
#ifdef	CONFIG_ACPI

/*
 * Set highest legal C-state
 * 0: C0 okay, but not C1
 * 1: C1 okay, but not C2
 * 2: C2 okay, but not C3 etc.
 */

extern unsigned int max_cstate;

static inline unsigned int acpi_get_cstate_limit(void)
{
	return max_cstate;
}
static inline void acpi_set_cstate_limit(unsigned int new_limit)
{
	max_cstate = new_limit;
	return;
}
#else
static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
#endif

#ifdef CONFIG_ACPI_NUMA
int acpi_get_pxm(acpi_handle handle);
#else
static inline int acpi_get_pxm(acpi_handle handle)
{
	return 0;
}
#endif

extern int pnpacpi_disabled;

#endif	/* CONFIG_ACPI */
#endif	/*_LINUX_ACPI_H*/
Commit	Line	Data
1da177e4 LT	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
25be5e6c LB	28	#ifdef CONFIG_ACPI
25be5e6c LB	29
1da177e4 LT	30	#ifndef _LINUX
	31	#define _LINUX
	32	#endif
	33
	34	#include <linux/list.h>
	35
	36	#include <acpi/acpi.h>
	37	#include <acpi/acpi_bus.h>
	38	#include <acpi/acpi_drivers.h>
	39	#include <asm/acpi.h>
	40
	41
	42	#ifdef CONFIG_ACPI_BOOT
	43
	44	enum acpi_irq_model_id {
	45	ACPI_IRQ_MODEL_PIC = 0,
	46	ACPI_IRQ_MODEL_IOAPIC,
	47	ACPI_IRQ_MODEL_IOSAPIC,
	48	ACPI_IRQ_MODEL_COUNT
	49	};
	50
	51	extern enum acpi_irq_model_id acpi_irq_model;
	52
	53
	54	/* Root System Description Pointer (RSDP) */
	55
	56	struct acpi_table_rsdp {
	57	char signature[8];
	58	u8 checksum;
	59	char oem_id[6];
	60	u8 revision;
	61	u32 rsdt_address;
	62	} __attribute__ ((packed));
	63
	64	struct acpi20_table_rsdp {
	65	char signature[8];
	66	u8 checksum;
	67	char oem_id[6];
	68	u8 revision;
	69	u32 rsdt_address;
	70	u32 length;
	71	u64 xsdt_address;
	72	u8 ext_checksum;
	73	u8 reserved[3];
	74	} __attribute__ ((packed));
	75
	76	typedef struct {
	77	u8 type;
	78	u8 length;
	79	} __attribute__ ((packed)) acpi_table_entry_header;
	80
	81	/* Root System Description Table (RSDT) */
	82
	83	struct acpi_table_rsdt {
	84	struct acpi_table_header header;
	85	u32 entry[8];
	86	} __attribute__ ((packed));
	87
	88	/* Extended System Description Table (XSDT) */
	89
	90	struct acpi_table_xsdt {
	91	struct acpi_table_header header;
	92	u64 entry[1];
	93	} __attribute__ ((packed));
94
95	/* Fixed ACPI Description Table (FADT) */
96
97	struct acpi_table_fadt {
98	struct acpi_table_header header;
99	u32 facs_addr;
100	u32 dsdt_addr;
101	/* ... */
102	} __attribute__ ((packed));
103
104	/* Multiple APIC Description Table (MADT) */
105
106	struct acpi_table_madt {
107	struct acpi_table_header header;
108	u32 lapic_address;
109	struct {
110	u32 pcat_compat:1;
111	u32 reserved:31;
112	} flags;
113	} __attribute__ ((packed));
114
115	enum acpi_madt_entry_id {
116	ACPI_MADT_LAPIC = 0,
117	ACPI_MADT_IOAPIC,
118	ACPI_MADT_INT_SRC_OVR,
119	ACPI_MADT_NMI_SRC,
120	ACPI_MADT_LAPIC_NMI,
121	ACPI_MADT_LAPIC_ADDR_OVR,
122	ACPI_MADT_IOSAPIC,
123	ACPI_MADT_LSAPIC,
124	ACPI_MADT_PLAT_INT_SRC,
125	ACPI_MADT_ENTRY_COUNT
126	};
127
128	typedef struct {
129	u16 polarity:2;
130	u16 trigger:2;
131	u16 reserved:12;
132	} __attribute__ ((packed)) acpi_interrupt_flags;
133
134	struct acpi_table_lapic {
135	acpi_table_entry_header header;
136	u8 acpi_id;
137	u8 id;
138	struct {
139	u32 enabled:1;
140	u32 reserved:31;
141	} flags;
142	} __attribute__ ((packed));
143
144	struct acpi_table_ioapic {
145	acpi_table_entry_header header;
146	u8 id;
147	u8 reserved;
148	u32 address;
149	u32 global_irq_base;
150	} __attribute__ ((packed));
151
152	struct acpi_table_int_src_ovr {
153	acpi_table_entry_header header;
154	u8 bus;
155	u8 bus_irq;
156	u32 global_irq;
157	acpi_interrupt_flags flags;
158	} __attribute__ ((packed));
159
160	struct acpi_table_nmi_src {
161	acpi_table_entry_header header;
162	acpi_interrupt_flags flags;
163	u32 global_irq;
164	} __attribute__ ((packed));
165
166	struct acpi_table_lapic_nmi {
167	acpi_table_entry_header header;
168	u8 acpi_id;
169	acpi_interrupt_flags flags;
170	u8 lint;
171	} __attribute__ ((packed));
172
173	struct acpi_table_lapic_addr_ovr {
174	acpi_table_entry_header header;
175	u8 reserved[2];
176	u64 address;
177	} __attribute__ ((packed));
178
179	struct acpi_table_iosapic {
180	acpi_table_entry_header header;
181	u8 id;
182	u8 reserved;
183	u32 global_irq_base;
184	u64 address;
185	} __attribute__ ((packed));
186
187	struct acpi_table_lsapic {
188	acpi_table_entry_header header;
189	u8 acpi_id;
190	u8 id;
191	u8 eid;
192	u8 reserved[3];
193	struct {
194	u32 enabled:1;
195	u32 reserved:31;
196	} flags;
197	} __attribute__ ((packed));
198
199	struct acpi_table_plat_int_src {
200	acpi_table_entry_header header;
201	acpi_interrupt_flags flags;
202	u8 type; /* See acpi_interrupt_type */
203	u8 id;
204	u8 eid;
205	u8 iosapic_vector;
206	u32 global_irq;
207	u32 reserved;
208	} __attribute__ ((packed));
209
210	enum acpi_interrupt_id {
211	ACPI_INTERRUPT_PMI = 1,
212	ACPI_INTERRUPT_INIT,
213	ACPI_INTERRUPT_CPEI,
214	ACPI_INTERRUPT_COUNT
215	};
216
217	#define ACPI_SPACE_MEM 0
218
219	struct acpi_gen_regaddr {
220	u8 space_id;
221	u8 bit_width;
222	u8 bit_offset;
223	u8 resv;
224	u32 addrl;
225	u32 addrh;
226	} __attribute__ ((packed));
227
228	struct acpi_table_hpet {
229	struct acpi_table_header header;
230	u32 id;
231	struct acpi_gen_regaddr addr;
232	u8 number;
233	u16 min_tick;
234	u8 page_protect;
235	} __attribute__ ((packed));
236
237	/*
238	* Simple Boot Flags
239	* http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
240	*/
241	struct acpi_table_sbf
242	{
243	u8 sbf_signature[4];
244	u32 sbf_len;
245	u8 sbf_revision;
246	u8 sbf_csum;
247	u8 sbf_oemid[6];
248	u8 sbf_oemtable[8];
249	u8 sbf_revdata[4];
250	u8 sbf_creator[4];
251	u8 sbf_crearev[4];
252	u8 sbf_cmos;
253	u8 sbf_spare[3];
254	} __attribute__ ((packed));
255
256	/*
257	* System Resource Affinity Table (SRAT)
258	* http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
259	*/
260
261	struct acpi_table_srat {
262	struct acpi_table_header header;
263	u32 table_revision;
264	u64 reserved;
265	} __attribute__ ((packed));
266
267	enum acpi_srat_entry_id {
268	ACPI_SRAT_PROCESSOR_AFFINITY = 0,
269	ACPI_SRAT_MEMORY_AFFINITY,
270	ACPI_SRAT_ENTRY_COUNT
271	};
272
273	struct acpi_table_processor_affinity {
274	acpi_table_entry_header header;
275	u8 proximity_domain;
276	u8 apic_id;
277	struct {
278	u32 enabled:1;
279	u32 reserved:31;
280	} flags;
281	u8 lsapic_eid;
282	u8 reserved[7];
283	} __attribute__ ((packed));
284
285	struct acpi_table_memory_affinity {
286	acpi_table_entry_header header;
287	u8 proximity_domain;
288	u8 reserved1[5];
289	u32 base_addr_lo;
290	u32 base_addr_hi;
291	u32 length_lo;
292	u32 length_hi;
293	u32 memory_type; /* See acpi_address_range_id */
294	struct {
295	u32 enabled:1;
296	u32 hot_pluggable:1;
297	u32 reserved:30;
298	} flags;
299	u64 reserved2;
300	} __attribute__ ((packed));
301
302	enum acpi_address_range_id {
303	ACPI_ADDRESS_RANGE_MEMORY = 1,
304	ACPI_ADDRESS_RANGE_RESERVED = 2,
305	ACPI_ADDRESS_RANGE_ACPI = 3,
306	ACPI_ADDRESS_RANGE_NVS = 4,
307	ACPI_ADDRESS_RANGE_COUNT
308	};
309
310	/*
311	* System Locality Information Table (SLIT)
312	* see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
313	*/
314
315	struct acpi_table_slit {
316	struct acpi_table_header header;
317	u64 localities;
318	u8 entry[1]; /* real size = localities^2 */
319	} __attribute__ ((packed));
320
321	/* Smart Battery Description Table (SBST) */
322
323	struct acpi_table_sbst {
324	struct acpi_table_header header;
325	u32 warning; /* Warn user */
326	u32 low; /* Critical sleep */
327	u32 critical; /* Critical shutdown */
328	} __attribute__ ((packed));
329
330	/* Embedded Controller Boot Resources Table (ECDT) */
331
332	struct acpi_table_ecdt {
333	struct acpi_table_header header;
334	struct acpi_generic_address ec_control;
335	struct acpi_generic_address ec_data;
336	u32 uid;
337	u8 gpe_bit;
338	char ec_id[0];
339	} __attribute__ ((packed));
340
341	/* PCI MMCONFIG */
342
343	struct acpi_table_mcfg {
344	struct acpi_table_header header;
345	u8 reserved[8];
346	u32 base_address;
347	u32 base_reserved;
348	} __attribute__ ((packed));
349
350	/* Table Handlers */
351
352	enum acpi_table_id {
353	ACPI_TABLE_UNKNOWN = 0,
354	ACPI_APIC,
355	ACPI_BOOT,
356	ACPI_DBGP,
357	ACPI_DSDT,
358	ACPI_ECDT,
359	ACPI_ETDT,
360	ACPI_FADT,
361	ACPI_FACS,
362	ACPI_OEMX,
363	ACPI_PSDT,
364	ACPI_SBST,
365	ACPI_SLIT,
366	ACPI_SPCR,
367	ACPI_SRAT,
368	ACPI_SSDT,
369	ACPI_SPMI,
370	ACPI_HPET,
371	ACPI_MCFG,
372	ACPI_TABLE_COUNT
373	};
374
375	typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);
376
377	extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];
378
379	typedef int (acpi_madt_entry_handler) (acpi_table_entry_header header, const unsigned long end);
380
381	char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
382	unsigned long acpi_find_rsdp (void);
383	int acpi_boot_init (void);
384	int acpi_boot_table_init (void);
385	int acpi_numa_init (void);
386
387	int acpi_table_init (void);
388	int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
389	int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
390	int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
391	int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
392	void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
393	void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
394	void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
395
396	/* the following four functions are architecture-dependent */
397	void acpi_numa_slit_init (struct acpi_table_slit *slit);
398	void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
399	void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
400	void acpi_numa_arch_fixup(void);
401
402	#ifdef CONFIG_ACPI_HOTPLUG_CPU
403	/* Arch dependent functions for cpu hotplug support */
404	int acpi_map_lsapic(acpi_handle handle, int *pcpu);
405	int acpi_unmap_lsapic(int cpu);
406	#endif /* CONFIG_ACPI_HOTPLUG_CPU */
407
408	extern int acpi_mp_config;
409
410	extern u32 pci_mmcfg_base_addr;
411
412	extern int sbf_port ;
413
414	#else /!CONFIG_ACPI_BOOT/
415
416	#define acpi_mp_config 0
417
418	static inline int acpi_boot_init(void)
419	{
420	return 0;
421	}
422
423	static inline int acpi_boot_table_init(void)
424	{
425	return 0;
426	}
427
428	#endif /!CONFIG_ACPI_BOOT/
429
430	unsigned int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
431	int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
432
433	/*
434	* This function undoes the effect of one call to acpi_register_gsi().
435	* If this matches the last registration, any IRQ resources for gsi
436	* are freed.
437	*/
438	#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
439	void acpi_unregister_gsi (u32 gsi);
440	#endif
441
442	#ifdef CONFIG_ACPI_PCI
443
444	struct acpi_prt_entry {
445	struct list_head node;
446	struct acpi_pci_id id;
447	u8 pin;
448	struct {
449	acpi_handle handle;
450	u32 index;
451	} link;
452	u32 irq;
453	};
454
455	struct acpi_prt_list {
456	int count;
457	struct list_head entries;
458	};
459
460	struct pci_dev;
461
462	int acpi_pci_irq_enable (struct pci_dev *dev);
463	void acpi_penalize_isa_irq(int irq);
464
465	#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
466	void acpi_pci_irq_disable (struct pci_dev *dev);
467	#endif
468
469	struct acpi_pci_driver {
470	struct acpi_pci_driver *next;
471	int (*add)(acpi_handle handle);
472	void (*remove)(acpi_handle handle);
473	};
474
475	int acpi_pci_register_driver(struct acpi_pci_driver *driver);
476	void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
477
478	#endif /CONFIG_ACPI_PCI/
479
480	#ifdef CONFIG_ACPI_EC
481
482	extern int ec_read(u8 addr, u8 *val);
483	extern int ec_write(u8 addr, u8 val);
484
485	#endif /CONFIG_ACPI_EC/
486
487	#ifdef CONFIG_ACPI_INTERPRETER
488
489	extern int acpi_blacklisted(void);
490	extern void acpi_bios_year(char *s);
491
492	#else /!CONFIG_ACPI_INTERPRETER/
493
494	static inline int acpi_blacklisted(void)
495	{
496	return 0;
497	}
498
499	#endif /!CONFIG_ACPI_INTERPRETER/
500
501	#define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
502	#ifdef CONFIG_ACPI
503
504	/*
505	* Set highest legal C-state
506	* 0: C0 okay, but not C1
507	* 1: C1 okay, but not C2
508	* 2: C2 okay, but not C3 etc.
509	*/
510
511	extern unsigned int max_cstate;
512
513	static inline unsigned int acpi_get_cstate_limit(void)
514	{
515	return max_cstate;
516	}
517	static inline void acpi_set_cstate_limit(unsigned int new_limit)
518	{
519	max_cstate = new_limit;
520	return;
521	}
522	#else
523	static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
524	static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
525	#endif
526
527	#ifdef CONFIG_ACPI_NUMA
528	int acpi_get_pxm(acpi_handle handle);
529	#else
530	static inline int acpi_get_pxm(acpi_handle handle)
531	{
532	return 0;
533	}
534	#endif
535
536	extern int pnpacpi_disabled;
537
25be5e6c LB	538	#endif /* CONFIG_ACPI */
25be5e6c LB	539	#endif /_LINUX_ACPI_H/