1/* ----------------------------------------------------------------------- *
2 *
3 *   Copyright 2009-2011 Erwan Velu - All Rights Reserved
4 *
5 *   This program is free software; you can redistribute it and/or modify
6 *   it under the terms of the GNU General Public License as published by
7 *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
8 *   Boston MA 02111-1307, USA; either version 2 of the License, or
9 *   (at your option) any later version; incorporated herein by reference.
10 *
11 * ----------------------------------------------------------------------- */
12
13#ifndef ACPI_H
14#define ACPI_H
15
16#define DEBUG_ACPI 0
17
18void dbg_printf(const char *fmt, ...);
19#define DEBUG_PRINT(x) do { if (DEBUG_ACPI) dbg_printf x; } while (0)
20
21#include <inttypes.h>
22#include <stdbool.h>
23#include <acpi/structs.h>
24#include <acpi/rsdp.h>
25#include <acpi/rsdt.h>
26#include <acpi/xsdt.h>
27#include <acpi/fadt.h>
28#include <acpi/madt.h>
29#include <acpi/dsdt.h>
30#include <acpi/ssdt.h>
31#include <acpi/sbst.h>
32#include <acpi/ecdt.h>
33#include <acpi/facs.h>
34#include <acpi/hpet.h>
35#include <acpi/tcpa.h>
36#include <acpi/mcfg.h>
37#include <acpi/slic.h>
38#include <acpi/boot.h>
39
40enum { ACPI_FOUND = 1, ENO_ACPI = 2 , MADT_FOUND = 3 , ENO_MADT = 4 };
41
42#define MAX_SSDT 128
43
44/* Some other description HEADERS : ACPI doc: 5.2.6*/
45#define OEMX "OEMx"
46#define SRAR "SRAT"
47#define BERT "BERT"
48#define BOOT "BOOT"
49#define CPEP "CPEP"
50#define DBGP "DGBP"
51#define DMAR "DMAR"
52#define ERST "ERST"
53#define ETDT "ETDT"
54#define HEST "HEST"
55#define HPET "HPET"
56#define IBFT "IBFT"
57#define MCFG "MCFG"
58#define SPCR "SPCR"
59#define SPMI "SPMI"
60#define TCPA "TCPA"
61#define UEFI "UEFI"
62#define WAET "WAET"
63#define WDAT "WDAT"
64#define WDRT "WDRT"
65#define WSPT "WSPT"
66#define SLIC "SLIC"
67
68/* This macro are used to extract ACPI structures
69 * please be careful about the q (interator) naming */
70#define cp_struct(dest) memcpy(dest,q,sizeof(*dest)); q+=sizeof(*dest)
71#define cp_str_struct(dest) memcpy(dest,q,sizeof(dest)-1); dest[sizeof(dest)-1]=0;q+=sizeof(dest)-1
72
73typedef struct {
74    s_rsdp rsdp;
75    s_rsdt rsdt;
76    s_xsdt xsdt;
77    s_fadt fadt;
78    s_madt madt;
79    s_dsdt dsdt;
80    s_ssdt *ssdt[MAX_SSDT];
81    uint8_t ssdt_count;
82    s_sbst sbst;
83    s_ecdt ecdt;
84    s_facs facs;
85    s_hpet hpet;
86    s_tcpa tcpa;
87    s_mcfg mcfg;
88    s_slic slic;
89    s_boot boot;
90} s_acpi;
91
92int parse_acpi(s_acpi * acpi);
93int parse_xsdt(s_acpi * acpi);
94void parse_madt(s_acpi * acpi);
95int search_rsdp(s_acpi *acpi);
96void get_acpi_description_header(uint8_t *q, s_acpi_description_header * adh);
97bool parse_header(uint64_t *address, s_acpi *acpi);
98char *flags_to_string(char *buffer, uint16_t flags);
99#endif
100