mirror of
https://github.com/hholtmann/smcFanControl.git
synced 2025-11-04 19:49:16 +01:00
c537db9fdd
Cached various information to reduce calls to get information from hardware. Avoided dynamic memory allocation. Added brief comments and TODOs.
110 lines
3.1 KiB
C
Executable File
110 lines
3.1 KiB
C
Executable File
/*
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* Apple System Management Control (SMC) Tool
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* Copyright (C) 2006 devnull
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* Portions Copyright (C) 2013 Michael Wilber
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __SMC_H__
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#define __SMC_H__
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#endif
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#define VERSION "0.01"
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#define OP_NONE 0
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#define OP_LIST 1
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#define OP_READ 2
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#define OP_READ_FAN 3
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#define OP_WRITE 4
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#define KERNEL_INDEX_SMC 2
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#define SMC_CMD_READ_BYTES 5
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#define SMC_CMD_WRITE_BYTES 6
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#define SMC_CMD_READ_INDEX 8
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#define SMC_CMD_READ_KEYINFO 9
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#define SMC_CMD_READ_PLIMIT 11
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#define SMC_CMD_READ_VERS 12
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#define DATATYPE_FPE2 "fpe2"
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#define DATATYPE_UINT8 "ui8 "
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#define DATATYPE_UINT16 "ui16"
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#define DATATYPE_UINT32 "ui32"
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typedef struct {
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char major;
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char minor;
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char build;
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char reserved[1];
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UInt16 release;
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} SMCKeyData_vers_t;
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typedef struct {
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UInt16 version;
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UInt16 length;
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UInt32 cpuPLimit;
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UInt32 gpuPLimit;
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UInt32 memPLimit;
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} SMCKeyData_pLimitData_t;
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typedef struct {
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UInt32 dataSize;
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UInt32 dataType;
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char dataAttributes;
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} SMCKeyData_keyInfo_t;
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typedef char SMCBytes_t[32];
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typedef struct {
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UInt32 key;
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SMCKeyData_vers_t vers;
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SMCKeyData_pLimitData_t pLimitData;
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SMCKeyData_keyInfo_t keyInfo;
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char result;
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char status;
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char data8;
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UInt32 data32;
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SMCBytes_t bytes;
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} SMCKeyData_t;
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typedef char UInt32Char_t[5];
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typedef struct {
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UInt32Char_t key;
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UInt32 dataSize;
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UInt32Char_t dataType;
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SMCBytes_t bytes;
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} SMCVal_t;
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UInt32 _strtoul(char *str, int size, int base);
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float _strtof(char *str, int size, int e);
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// Exclude command-line only code from smcFanControl UI
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#ifdef CMD_TOOL
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void smc_init();
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void smc_close();
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kern_return_t SMCReadKey(UInt32Char_t key, SMCVal_t *val);
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kern_return_t SMCWriteSimple(UInt32Char_t key,char *wvalue,io_connect_t conn);
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#endif //#ifdef CMD_TOOL
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kern_return_t SMCOpen(io_connect_t *conn);
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kern_return_t SMCClose(io_connect_t conn);
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kern_return_t SMCReadKey2(UInt32Char_t key, SMCVal_t *val,io_connect_t conn);
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