cleanup: remove unneeded darwin lib
This commit is contained in:
Seth Hoenig
parent
04677d205e
commit
9536aaddc6
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@ -1,168 +0,0 @@
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#include "smc.h"
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#define IOSERVICE_SMC "AppleSMC"
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#define IOSERVICE_MODEL "IOPlatformExpertDevice"
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#define DATA_TYPE_SP78 "sp78"
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typedef enum {
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kSMCUserClientOpen = 0,
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kSMCUserClientClose = 1,
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kSMCHandleYPCEvent = 2,
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kSMCReadKey = 5,
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kSMCWriteKey = 6,
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kSMCGetKeyCount = 7,
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kSMCGetKeyFromIndex = 8,
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kSMCGetKeyInfo = 9,
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} selector_t;
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typedef struct {
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unsigned char major;
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unsigned char minor;
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unsigned char build;
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unsigned char reserved;
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unsigned short release;
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} SMCVersion;
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typedef struct {
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uint16_t version;
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uint16_t length;
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uint32_t cpuPLimit;
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uint32_t gpuPLimit;
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uint32_t memPLimit;
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} SMCPLimitData;
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typedef struct {
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IOByteCount data_size;
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uint32_t data_type;
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uint8_t data_attributes;
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} SMCKeyInfoData;
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typedef struct {
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uint32_t key;
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SMCVersion vers;
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SMCPLimitData p_limit_data;
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SMCKeyInfoData key_info;
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uint8_t result;
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uint8_t status;
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uint8_t data8;
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uint32_t data32;
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uint8_t bytes[32];
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} SMCParamStruct;
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typedef enum {
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kSMCSuccess = 0,
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kSMCError = 1,
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kSMCKeyNotFound = 0x84,
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} kSMC_t;
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typedef struct {
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uint8_t data[32];
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uint32_t data_type;
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uint32_t data_size;
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kSMC_t kSMC;
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} smc_return_t;
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static const int SMC_KEY_SIZE = 4; // number of characters in an SMC key.
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static io_connect_t conn; // our connection to the SMC.
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kern_return_t open_smc(void) {
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kern_return_t result;
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io_service_t service;
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service = IOServiceGetMatchingService(kIOMasterPortDefault,
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IOServiceMatching(IOSERVICE_SMC));
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if (service == 0) {
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// Note: IOServiceMatching documents 0 on failure
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printf("ERROR: %s NOT FOUND\n", IOSERVICE_SMC);
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return kIOReturnError;
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}
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result = IOServiceOpen(service, mach_task_self(), 0, &conn);
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IOObjectRelease(service);
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return result;
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}
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kern_return_t close_smc(void) { return IOServiceClose(conn); }
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static uint32_t to_uint32(char *key) {
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uint32_t ans = 0;
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uint32_t shift = 24;
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if (strlen(key) != SMC_KEY_SIZE) {
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return 0;
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}
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for (int i = 0; i < SMC_KEY_SIZE; i++) {
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ans += key[i] << shift;
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shift -= 8;
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}
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return ans;
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}
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static kern_return_t call_smc(SMCParamStruct *input, SMCParamStruct *output) {
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kern_return_t result;
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size_t input_cnt = sizeof(SMCParamStruct);
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size_t output_cnt = sizeof(SMCParamStruct);
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result = IOConnectCallStructMethod(conn, kSMCHandleYPCEvent, input, input_cnt,
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output, &output_cnt);
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if (result != kIOReturnSuccess) {
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result = err_get_code(result);
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}
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return result;
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}
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static kern_return_t read_smc(char *key, smc_return_t *result_smc) {
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kern_return_t result;
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SMCParamStruct input;
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SMCParamStruct output;
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memset(&input, 0, sizeof(SMCParamStruct));
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memset(&output, 0, sizeof(SMCParamStruct));
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memset(result_smc, 0, sizeof(smc_return_t));
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input.key = to_uint32(key);
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input.data8 = kSMCGetKeyInfo;
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result = call_smc(&input, &output);
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result_smc->kSMC = output.result;
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if (result != kIOReturnSuccess || output.result != kSMCSuccess) {
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return result;
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}
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result_smc->data_size = output.key_info.data_size;
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result_smc->data_type = output.key_info.data_type;
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input.key_info.data_size = output.key_info.data_size;
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input.data8 = kSMCReadKey;
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result = call_smc(&input, &output);
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result_smc->kSMC = output.result;
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if (result != kIOReturnSuccess || output.result != kSMCSuccess) {
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return result;
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}
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memcpy(result_smc->data, output.bytes, sizeof(output.bytes));
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return result;
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}
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double get_temperature(char *key) {
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kern_return_t result;
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smc_return_t result_smc;
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result = read_smc(key, &result_smc);
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if (!(result == kIOReturnSuccess) && result_smc.data_size == 2 &&
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result_smc.data_type == to_uint32(DATA_TYPE_SP78)) {
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return 0.0;
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}
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return (double)result_smc.data[0];
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}
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@ -1,32 +0,0 @@
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#ifndef __SMC_H__
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#define __SMC_H__ 1
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#include <IOKit/IOKitLib.h>
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#define AMBIENT_AIR_0 "TA0P"
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#define AMBIENT_AIR_1 "TA1P"
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#define CPU_0_DIODE "TC0D"
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#define CPU_0_HEATSINK "TC0H"
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#define CPU_0_PROXIMITY "TC0P"
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#define ENCLOSURE_BASE_0 "TB0T"
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#define ENCLOSURE_BASE_1 "TB1T"
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#define ENCLOSURE_BASE_2 "TB2T"
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#define ENCLOSURE_BASE_3 "TB3T"
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#define GPU_0_DIODE "TG0D"
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#define GPU_0_HEATSINK "TG0H"
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#define GPU_0_PROXIMITY "TG0P"
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#define HARD_DRIVE_BAY "TH0P"
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#define MEMORY_SLOT_0 "TM0S"
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#define MEMORY_SLOTS_PROXIMITY "TM0P"
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#define NORTHBRIDGE "TN0H"
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#define NORTHBRIDGE_DIODE "TN0D"
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#define NORTHBRIDGE_PROXIMITY "TN0P"
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#define THUNDERBOLT_0 "TI0P"
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#define THUNDERBOLT_1 "TI1P"
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#define WIRELESS_MODULE "TW0P"
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kern_return_t open_smc(void);
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kern_return_t close_smc(void);
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double get_temperature(char *);
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#endif // __SMC_H__
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