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/*
* acpitable.c - IA32-specific ACPI boot-time initialization (Revision: 1)
*
* Copyright (C) 1999 Andrew Henroid
* Copyright (C) 2001 Richard Schaal
* Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
* Copyright (C) 2001 Jun Nakajima <jun.nakajima@intel.com>
* Copyright (C) 2001 Arjan van de Ven <arjanv@redhat.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
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* $Id: acpitable.h,v 1.3 2001/11/03 22:41:34 fenrus Exp $
*/
/*
* The following codes are cut&pasted from drivers/acpi. Part of the code
* there can be not updated or delivered yet.
* To avoid conflicts when CONFIG_ACPI is defined, the following codes are
* modified so that they are self-contained in this file.
* -- jun
*/
#ifndef _HEADER_ACPITABLE_H_
#define _HEADER_ACPITABLE_H_
#define dprintk printk
typedef unsigned int ACPI_TBLPTR;
typedef struct { /* ACPI common table header */
char signature[4]; /* identifies type of table */
u32 length; /* length of table,
in bytes, * including header */
u8 revision; /* specification minor version # */
u8 checksum; /* to make sum of entire table == 0 */
char oem_id[6]; /* OEM identification */
char oem_table_id[8]; /* OEM table identification */
u32 oem_revision; /* OEM revision number */
char asl_compiler_id[4]; /* ASL compiler vendor ID */
u32 asl_compiler_revision; /* ASL compiler revision number */
} acpi_table_header __attribute__ ((packed));;
enum {
ACPI_APIC = 0,
ACPI_BOOT,
ACPI_DBGP,
ACPI_DSDT,
ACPI_ECDT,
ACPI_ETDT,
ACPI_FACP,
ACPI_FACS,
ACPI_OEMX,
ACPI_PSDT,
ACPI_SBST,
ACPI_SLIT,
ACPI_SPCR,
ACPI_SRAT,
ACPI_SSDT,
ACPI_SPMI,
ACPI_XSDT,
ACPI_TABLE_COUNT
};
static char *acpi_table_signatures[ACPI_TABLE_COUNT] = {
"APIC",
"BOOT",
"DBGP",
"DSDT",
"ECDT",
"ETDT",
"FACP",
"FACS",
"OEM",
"PSDT",
"SBST",
"SLIT",
"SPCR",
"SRAT",
"SSDT",
"SPMI",
"XSDT"
};
struct acpi_table_madt {
acpi_table_header header;
u32 lapic_address;
struct {
u32 pcat_compat:1;
u32 reserved:31;
} flags __attribute__ ((packed));
} __attribute__ ((packed));;
enum {
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
};
#define RSDP_SIG "RSD PTR "
#define RSDT_SIG "RSDT"
#define ACPI_DEBUG_PRINT(pl)
#define ACPI_MEMORY_MODE 0x01
#define ACPI_LOGICAL_ADDRESSING 0x00
#define ACPI_PHYSICAL_ADDRESSING 0x01
#define LO_RSDP_WINDOW_BASE 0 /* Physical Address */
#define HI_RSDP_WINDOW_BASE 0xE0000 /* Physical Address */
#define LO_RSDP_WINDOW_SIZE 0x400
#define HI_RSDP_WINDOW_SIZE 0x20000
#define RSDP_SCAN_STEP 16
#define RSDP_CHECKSUM_LENGTH 20
typedef int (*acpi_table_handler) (acpi_table_header * header, unsigned long);
struct acpi_table_rsdp {
char signature[8];
u8 checksum;
char oem_id[6];
u8 revision;
u32 rsdt_address;
} __attribute__ ((packed));
struct acpi_table_rsdt {
acpi_table_header header;
u32 entry[ACPI_TABLE_COUNT];
} __attribute__ ((packed));
typedef struct {
u8 type;
u8 length;
} acpi_madt_entry_header __attribute__ ((packed));
typedef struct {
u16 polarity:2;
u16 trigger:2;
u16 reserved:12;
} acpi_madt_int_flags __attribute__ ((packed));
struct acpi_table_lapic {
acpi_madt_entry_header header;
u8 acpi_id;
u8 id;
struct {
u32 enabled:1;
u32 reserved:31;
} flags __attribute__ ((packed));
} __attribute__ ((packed));
struct acpi_table_ioapic {
acpi_madt_entry_header header;
u8 id;
u8 reserved;
u32 address;
u32 global_irq_base;
} __attribute__ ((packed));
struct acpi_table_int_src_ovr {
acpi_madt_entry_header header;
u8 bus;
u8 bus_irq;
u32 global_irq;
acpi_madt_int_flags flags;
} __attribute__ ((packed));
struct acpi_table_nmi_src {
acpi_madt_entry_header header;
acpi_madt_int_flags flags;
u32 global_irq;
} __attribute__ ((packed));
struct acpi_table_lapic_nmi {
acpi_madt_entry_header header;
u8 acpi_id;
acpi_madt_int_flags flags;
u8 lint;
} __attribute__ ((packed));
struct acpi_table_lapic_addr_ovr {
acpi_madt_entry_header header;
u8 reserved[2];
u64 address;
} __attribute__ ((packed));
struct acpi_table_iosapic {
acpi_madt_entry_header header;
u8 id;
u8 reserved;
u32 global_irq_base;
u64 address;
} __attribute__ ((packed));
struct acpi_table_lsapic {
acpi_madt_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_madt_entry_header header;
acpi_madt_int_flags flags;
u8 type;
u8 id;
u8 eid;
u8 iosapic_vector;
u32 global_irq;
u32 reserved;
} __attribute__ ((packed));
/*
* ACPI Table Descriptor. One per ACPI table
*/
typedef struct acpi_table_desc {
struct acpi_table_desc *prev;
struct acpi_table_desc *next;
struct acpi_table_desc *installed_desc;
acpi_table_header *pointer;
void *base_pointer;
u8 *aml_pointer;
u64 physical_address;
u32 aml_length;
u32 length;
u32 count;
u16 table_id;
u8 type;
u8 allocation;
u8 loaded_into_namespace;
} acpi_table_desc __attribute__ ((packed));;
#endif
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