sgminer/adl.c

/*
 * Copyright 2011-2012 Con Kolivas
 *
 * 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 3 of the License, or (at your option)
 * any later version.  See COPYING for more details.
 */

#include "config.h"

#if defined(HAVE_ADL) && (defined(__unix__) || defined (WIN32))

#include <stdio.h>
#include <string.h>
#include <math.h>

#ifdef HAVE_CURSES
# include <curses.h>
#endif

#include "miner.h"
#include "ADL_SDK/adl_sdk.h"
#include "compat.h"

#if defined (__unix__)
# include <dlfcn.h>
# include <stdlib.h>
# include <unistd.h>
#else /* WIN32 */
# include <windows.h>
# include <tchar.h>
#endif
#include "adl_functions.h"

#ifndef HAVE_CURSES
# define wlogprint(...)  applog(LOG_WARNING, __VA_ARGS__)
#endif

bool adl_active;
bool opt_reorder = false;

int opt_hysteresis = 3;
int opt_targettemp = 75;
int opt_overheattemp = 85;
static pthread_mutex_t adl_lock;

struct gpu_adapters {
  int iAdapterIndex;
  int iBusNumber;
  int virtual_gpu;
  int id;
};

// Memory allocation function
static void * __stdcall ADL_Main_Memory_Alloc(int iSize)
{
  void *lpBuffer = malloc(iSize);

  return lpBuffer;
}

// Optional Memory de-allocation function
static void __stdcall ADL_Main_Memory_Free (void **lpBuffer)
{
  if (*lpBuffer != NULL) {
    free (*lpBuffer);
    *lpBuffer = NULL;
  }
}

#if defined (UNIX)
// equivalent functions in linux
static void *GetProcAddress(void *pLibrary, const char *name)
{
  return dlsym( pLibrary, name);
}
#endif

static  ADL_MAIN_CONTROL_CREATE     ADL_Main_Control_Create;
static  ADL_MAIN_CONTROL_DESTROY    ADL_Main_Control_Destroy;
static  ADL_ADAPTER_NUMBEROFADAPTERS_GET  ADL_Adapter_NumberOfAdapters_Get;
static  ADL_ADAPTER_ADAPTERINFO_GET   ADL_Adapter_AdapterInfo_Get;
static  ADL_ADAPTER_ID_GET      ADL_Adapter_ID_Get;
static  ADL_MAIN_CONTROL_REFRESH    ADL_Main_Control_Refresh;
static  ADL_ADAPTER_VIDEOBIOSINFO_GET   ADL_Adapter_VideoBiosInfo_Get;
static  ADL_DISPLAY_DISPLAYINFO_GET   ADL_Display_DisplayInfo_Get;
static  ADL_ADAPTER_ACCESSIBILITY_GET   ADL_Adapter_Accessibility_Get;

static  ADL_OVERDRIVE_CAPS      ADL_Overdrive_Caps;

static  ADL_OVERDRIVE5_TEMPERATURE_GET    ADL_Overdrive5_Temperature_Get;
static  ADL_OVERDRIVE5_CURRENTACTIVITY_GET  ADL_Overdrive5_CurrentActivity_Get;
static  ADL_OVERDRIVE5_ODPARAMETERS_GET   ADL_Overdrive5_ODParameters_Get;
static  ADL_OVERDRIVE5_FANSPEEDINFO_GET   ADL_Overdrive5_FanSpeedInfo_Get;
static  ADL_OVERDRIVE5_FANSPEED_GET   ADL_Overdrive5_FanSpeed_Get;
static  ADL_OVERDRIVE5_FANSPEED_SET   ADL_Overdrive5_FanSpeed_Set;
static  ADL_OVERDRIVE5_ODPERFORMANCELEVELS_GET  ADL_Overdrive5_ODPerformanceLevels_Get;
static  ADL_OVERDRIVE5_ODPERFORMANCELEVELS_SET  ADL_Overdrive5_ODPerformanceLevels_Set;
static  ADL_OVERDRIVE5_POWERCONTROL_GET   ADL_Overdrive5_PowerControl_Get;
static  ADL_OVERDRIVE5_POWERCONTROL_SET   ADL_Overdrive5_PowerControl_Set;
static  ADL_OVERDRIVE5_FANSPEEDTODEFAULT_SET  ADL_Overdrive5_FanSpeedToDefault_Set;

static  ADL_OVERDRIVE6_CAPABILITIES_GET   ADL_Overdrive6_Capabilities_Get;
static  ADL_OVERDRIVE6_FANSPEED_GET   ADL_Overdrive6_FanSpeed_Get;
static  ADL_OVERDRIVE6_THERMALCONTROLLER_CAPS ADL_Overdrive6_ThermalController_Caps;
static  ADL_OVERDRIVE6_TEMPERATURE_GET    ADL_Overdrive6_Temperature_Get;
static  ADL_OVERDRIVE6_STATEINFO_GET    ADL_Overdrive6_StateInfo_Get;
static  ADL_OVERDRIVE6_CURRENTSTATUS_GET  ADL_Overdrive6_CurrentStatus_Get;
static  ADL_OVERDRIVE6_POWERCONTROL_CAPS  ADL_Overdrive6_PowerControl_Caps;
static  ADL_OVERDRIVE6_POWERCONTROLINFO_GET ADL_Overdrive6_PowerControlInfo_Get;
static  ADL_OVERDRIVE6_POWERCONTROL_GET   ADL_Overdrive6_PowerControl_Get;
static  ADL_OVERDRIVE6_FANSPEED_SET   ADL_Overdrive6_FanSpeed_Set;
static  ADL_OVERDRIVE6_STATE_SET    ADL_Overdrive6_State_Set;
static  ADL_OVERDRIVE6_POWERCONTROL_SET   ADL_Overdrive6_PowerControl_Set;

#if defined (UNIX)
  static void *hDLL;  // Handle to .so library
#else
  HINSTANCE hDLL;   // Handle to DLL
#endif
static int iNumberAdapters;
static LPAdapterInfo lpInfo = NULL;

int set_fanspeed(int gpu, int iFanSpeed);
static float __gpu_temp(struct gpu_adl *ga);

char *adl_error_desc(int error)
{
  char *result;
  switch(error)
  {
    case ADL_ERR:
      result = "Generic error (escape call failed?)";
      break;
    case ADL_ERR_NOT_INIT:
      result = "ADL not initialized";
      break;
    case ADL_ERR_INVALID_PARAM:
      result = "Invalid parameter";
      break;
    case ADL_ERR_INVALID_PARAM_SIZE:
      result = "Invalid parameter size";
      break;
    case ADL_ERR_INVALID_ADL_IDX:
      result = "Invalid ADL index";
      break;
    case ADL_ERR_INVALID_CONTROLLER_IDX:
      result = "Invalid controller index";
      break;
    case ADL_ERR_INVALID_DIPLAY_IDX:
      result = "Invalid display index";
      break;
    case ADL_ERR_NOT_SUPPORTED:
      result = "Function not supported by the driver";
      break;
    case ADL_ERR_NULL_POINTER:
      result = "Null Pointer error";
      break;
    case ADL_ERR_DISABLED_ADAPTER:
      result = "Disabled adapter, can't make call";
      break;
    case ADL_ERR_INVALID_CALLBACK:
      result = "Invalid callback";
      break;
    case ADL_ERR_RESOURCE_CONFLICT:
      result = "Display resource conflict";
      break;
    case ADL_ERR_SET_INCOMPLETE:
      result = "Failed to update some of the values";
      break;
    case ADL_ERR_NO_XDISPLAY:
      result = "No Linux XDisplay in Linux Console environment";
      break;
    default:
      result = "Unhandled error";
      break;
  }
  return result;
}

static inline void lock_adl(void)
{
  mutex_lock(&adl_lock);
}

static inline void unlock_adl(void)
{
  mutex_unlock(&adl_lock);
}

/* This looks for the twin GPU that has the fanspeed control of a non fanspeed
 * control GPU on dual GPU cards */
static bool fanspeed_twin(struct gpu_adl *ga, struct gpu_adl *other_ga)
{
  if (!other_ga->has_fanspeed)
    return false;
  if (abs(ga->iBusNumber - other_ga->iBusNumber) != 1)
    return false;
  if (strcmp(ga->strAdapterName, other_ga->strAdapterName))
    return false;
  return true;
}

static bool init_overdrive5()
{
  ADL_Overdrive5_Temperature_Get = (ADL_OVERDRIVE5_TEMPERATURE_GET) GetProcAddress(hDLL,"ADL_Overdrive5_Temperature_Get");
  ADL_Overdrive5_CurrentActivity_Get = (ADL_OVERDRIVE5_CURRENTACTIVITY_GET) GetProcAddress(hDLL, "ADL_Overdrive5_CurrentActivity_Get");
  ADL_Overdrive5_ODParameters_Get = (ADL_OVERDRIVE5_ODPARAMETERS_GET) GetProcAddress(hDLL, "ADL_Overdrive5_ODParameters_Get");
  ADL_Overdrive5_FanSpeedInfo_Get = (ADL_OVERDRIVE5_FANSPEEDINFO_GET) GetProcAddress(hDLL, "ADL_Overdrive5_FanSpeedInfo_Get");
  ADL_Overdrive5_FanSpeed_Get = (ADL_OVERDRIVE5_FANSPEED_GET) GetProcAddress(hDLL, "ADL_Overdrive5_FanSpeed_Get");
  ADL_Overdrive5_FanSpeed_Set = (ADL_OVERDRIVE5_FANSPEED_SET) GetProcAddress(hDLL, "ADL_Overdrive5_FanSpeed_Set");
  ADL_Overdrive5_ODPerformanceLevels_Get = (ADL_OVERDRIVE5_ODPERFORMANCELEVELS_GET) GetProcAddress(hDLL, "ADL_Overdrive5_ODPerformanceLevels_Get");
  ADL_Overdrive5_ODPerformanceLevels_Set = (ADL_OVERDRIVE5_ODPERFORMANCELEVELS_SET) GetProcAddress(hDLL, "ADL_Overdrive5_ODPerformanceLevels_Set");
  ADL_Overdrive5_PowerControl_Get = (ADL_OVERDRIVE5_POWERCONTROL_GET) GetProcAddress(hDLL, "ADL_Overdrive5_PowerControl_Get");
  ADL_Overdrive5_PowerControl_Set = (ADL_OVERDRIVE5_POWERCONTROL_SET) GetProcAddress(hDLL, "ADL_Overdrive5_PowerControl_Set");
  ADL_Overdrive5_FanSpeedToDefault_Set = (ADL_OVERDRIVE5_FANSPEEDTODEFAULT_SET) GetProcAddress(hDLL, "ADL_Overdrive5_FanSpeedToDefault_Set");

  if (!ADL_Overdrive5_Temperature_Get || !ADL_Overdrive5_CurrentActivity_Get ||
    !ADL_Overdrive5_ODParameters_Get || !ADL_Overdrive5_FanSpeedInfo_Get ||
    !ADL_Overdrive5_FanSpeed_Get || !ADL_Overdrive5_FanSpeed_Set ||
    !ADL_Overdrive5_ODPerformanceLevels_Get || !ADL_Overdrive5_ODPerformanceLevels_Set ||
    !ADL_Overdrive5_PowerControl_Get || !ADL_Overdrive5_PowerControl_Set ||
    !ADL_Overdrive5_FanSpeedToDefault_Set) {
      applog(LOG_WARNING, "ATI ADL Overdrive5's API is missing or broken.");
      return false;
  } else {
    applog(LOG_INFO, "ATI ADL Overdrive5 API found.");
  }

  return true;
}

static bool init_overdrive6()
{
  ADL_Overdrive6_FanSpeed_Get = (ADL_OVERDRIVE6_FANSPEED_GET) GetProcAddress(hDLL,"ADL_Overdrive6_FanSpeed_Get");
  ADL_Overdrive6_ThermalController_Caps = (ADL_OVERDRIVE6_THERMALCONTROLLER_CAPS)GetProcAddress (hDLL, "ADL_Overdrive6_ThermalController_Caps");
  ADL_Overdrive6_Temperature_Get = (ADL_OVERDRIVE6_TEMPERATURE_GET)GetProcAddress (hDLL, "ADL_Overdrive6_Temperature_Get");
  ADL_Overdrive6_Capabilities_Get = (ADL_OVERDRIVE6_CAPABILITIES_GET)GetProcAddress(hDLL, "ADL_Overdrive6_Capabilities_Get");
  ADL_Overdrive6_StateInfo_Get = (ADL_OVERDRIVE6_STATEINFO_GET)GetProcAddress(hDLL, "ADL_Overdrive6_StateInfo_Get");
  ADL_Overdrive6_CurrentStatus_Get = (ADL_OVERDRIVE6_CURRENTSTATUS_GET)GetProcAddress(hDLL, "ADL_Overdrive6_CurrentStatus_Get");
  ADL_Overdrive6_PowerControl_Caps = (ADL_OVERDRIVE6_POWERCONTROL_CAPS)GetProcAddress(hDLL, "ADL_Overdrive6_PowerControl_Caps");
  ADL_Overdrive6_PowerControlInfo_Get = (ADL_OVERDRIVE6_POWERCONTROLINFO_GET)GetProcAddress(hDLL, "ADL_Overdrive6_PowerControlInfo_Get");
  ADL_Overdrive6_PowerControl_Get = (ADL_OVERDRIVE6_POWERCONTROL_GET)GetProcAddress(hDLL, "ADL_Overdrive6_PowerControl_Get");
  ADL_Overdrive6_FanSpeed_Set  = (ADL_OVERDRIVE6_FANSPEED_SET)GetProcAddress(hDLL, "ADL_Overdrive6_FanSpeed_Set");
  ADL_Overdrive6_State_Set = (ADL_OVERDRIVE6_STATE_SET)GetProcAddress(hDLL, "ADL_Overdrive6_State_Set");
  ADL_Overdrive6_PowerControl_Set = (ADL_OVERDRIVE6_POWERCONTROL_SET) GetProcAddress(hDLL, "ADL_Overdrive6_PowerControl_Set");

  if (!ADL_Overdrive6_FanSpeed_Get || !ADL_Overdrive6_ThermalController_Caps ||
    !ADL_Overdrive6_Temperature_Get || !ADL_Overdrive6_Capabilities_Get ||
    !ADL_Overdrive6_StateInfo_Get || !ADL_Overdrive6_CurrentStatus_Get ||
    !ADL_Overdrive6_PowerControl_Caps || !ADL_Overdrive6_PowerControlInfo_Get ||
    !ADL_Overdrive6_PowerControl_Get || !ADL_Overdrive6_FanSpeed_Set ||
    !ADL_Overdrive6_State_Set || !ADL_Overdrive6_PowerControl_Set) {
      applog(LOG_WARNING, "ATI ADL Overdrive6's API is missing or broken.");
    return false;
  } else {
    applog(LOG_INFO, "ATI ADL Overdrive6 API found.");
  }

  return true;
}

static bool prepare_adl(void)
{
  int result;

#if defined (UNIX)
  hDLL = dlopen( "libatiadlxx.so", RTLD_LAZY|RTLD_GLOBAL);
#else
  hDLL = LoadLibrary("atiadlxx.dll");
  if (hDLL == NULL)
    // A 32 bit calling application on 64 bit OS will fail to LoadLIbrary.
    // Try to load the 32 bit library (atiadlxy.dll) instead
    hDLL = LoadLibrary("atiadlxy.dll");
#endif
  if (hDLL == NULL) {
    applog(LOG_INFO, "Unable to load ATI ADL library.");
    return false;
  }
  ADL_Main_Control_Create = (ADL_MAIN_CONTROL_CREATE) GetProcAddress(hDLL,"ADL_Main_Control_Create");
  ADL_Main_Control_Destroy = (ADL_MAIN_CONTROL_DESTROY) GetProcAddress(hDLL,"ADL_Main_Control_Destroy");
  ADL_Adapter_NumberOfAdapters_Get = (ADL_ADAPTER_NUMBEROFADAPTERS_GET) GetProcAddress(hDLL,"ADL_Adapter_NumberOfAdapters_Get");
  ADL_Adapter_AdapterInfo_Get = (ADL_ADAPTER_ADAPTERINFO_GET) GetProcAddress(hDLL,"ADL_Adapter_AdapterInfo_Get");
  ADL_Display_DisplayInfo_Get = (ADL_DISPLAY_DISPLAYINFO_GET) GetProcAddress(hDLL,"ADL_Display_DisplayInfo_Get");
  ADL_Adapter_ID_Get = (ADL_ADAPTER_ID_GET) GetProcAddress(hDLL,"ADL_Adapter_ID_Get");
  ADL_Main_Control_Refresh = (ADL_MAIN_CONTROL_REFRESH) GetProcAddress(hDLL, "ADL_Main_Control_Refresh");
  ADL_Adapter_VideoBiosInfo_Get = (ADL_ADAPTER_VIDEOBIOSINFO_GET)GetProcAddress(hDLL,"ADL_Adapter_VideoBiosInfo_Get");
  ADL_Overdrive_Caps = (ADL_OVERDRIVE_CAPS)GetProcAddress(hDLL, "ADL_Overdrive_Caps");

  ADL_Adapter_Accessibility_Get = (ADL_ADAPTER_ACCESSIBILITY_GET)GetProcAddress(hDLL, "ADL_Adapter_Accessibility_Get");

  if (!ADL_Main_Control_Create || !ADL_Main_Control_Destroy ||
    !ADL_Adapter_NumberOfAdapters_Get || !ADL_Adapter_AdapterInfo_Get ||
    !ADL_Display_DisplayInfo_Get ||
    !ADL_Adapter_ID_Get || !ADL_Main_Control_Refresh ||
    !ADL_Adapter_VideoBiosInfo_Get || !ADL_Overdrive_Caps) {
      applog(LOG_WARNING, "ATI ADL API is missing or broken.");
    return false;
  }

  // Initialise ADL. The second parameter is 1, which means:
  // retrieve adapter information only for adapters that are physically present and enabled in the system
  result = ADL_Main_Control_Create(ADL_Main_Memory_Alloc, 1);
  if (result != ADL_OK) {
    applog(LOG_INFO, "ADL initialisation error: %d (%s)", result, adl_error_desc(result));
    return false;
  }

  result = ADL_Main_Control_Refresh();
  if (result != ADL_OK) {
    applog(LOG_INFO, "ADL refresh error: %d (%s)", result, adl_error_desc(result));
    return false;
  }

  init_overdrive5();
  init_overdrive6(); // FIXME: don't if ADL6 is not present

  return true;
}

void init_adl(int nDevs)
{
  int result, i, j, devices = 0, last_adapter = -1, gpu = 0, dummy = 0;
  struct gpu_adapters adapters[MAX_GPUDEVICES], vadapters[MAX_GPUDEVICES];
  bool devs_match = true;
  ADLBiosInfo BiosInfo;

  applog(LOG_INFO, "Number of ADL devices: %d", nDevs);

  if (unlikely(pthread_mutex_init(&adl_lock, NULL))) {
    applog(LOG_ERR, "Failed to init adl_lock in init_adl");
    return;
  }

  if (!prepare_adl())
    return;

  // Obtain the number of adapters for the system
  result = ADL_Adapter_NumberOfAdapters_Get (&iNumberAdapters);
  if (result != ADL_OK) {
    applog(LOG_INFO, "Cannot get the number of adapters! Error %d!", result);
    return ;
  }

  if (iNumberAdapters > 0) {
    lpInfo = (LPAdapterInfo)malloc ( sizeof (AdapterInfo) * iNumberAdapters );
    memset ( lpInfo,'\0', sizeof (AdapterInfo) * iNumberAdapters );

    lpInfo->iSize = sizeof(lpInfo);
    // Get the AdapterInfo structure for all adapters in the system
    result = ADL_Adapter_AdapterInfo_Get (lpInfo, sizeof (AdapterInfo) * iNumberAdapters);
    if (result != ADL_OK) {
      applog(LOG_INFO, "ADL_Adapter_AdapterInfo_Get Error! Error %d", result);
      return ;
    }
  } else {
    applog(LOG_INFO, "No adapters found");
    return;
  }

  applog(LOG_INFO, "Found %d logical ADL adapters", iNumberAdapters);

  /* Iterate over iNumberAdapters and find the lpAdapterID of real devices */
  for (i = 0; i < iNumberAdapters; i++) {
    int iAdapterIndex;
    int lpAdapterID;

    iAdapterIndex = lpInfo[i].iAdapterIndex;

    /* Get unique identifier of the adapter, 0 means not AMD */
    result = ADL_Adapter_ID_Get(iAdapterIndex, &lpAdapterID);

    if (ADL_Adapter_VideoBiosInfo_Get(iAdapterIndex, &BiosInfo) == ADL_ERR) {
      applog(LOG_INFO, "ADL index %d, id %d - FAILED to get BIOS info", iAdapterIndex, lpAdapterID);
    } else {
      applog(LOG_INFO, "ADL index %d, id %d - BIOS partno.: %s, version: %s, date: %s", iAdapterIndex, lpAdapterID, BiosInfo.strPartNumber, BiosInfo.strVersion, BiosInfo.strDate);
    }

    if (result != ADL_OK) {
      applog(LOG_INFO, "Failed to ADL_Adapter_ID_Get. Error %d", result);
      if (result == -10)
        applog(LOG_INFO, "(Device is not enabled.)");
      continue;
    }

    /* Each adapter may have multiple entries */
    if (lpAdapterID == last_adapter) {
      continue;
    }

    applog(LOG_INFO, "GPU %d assigned: "
           "iAdapterIndex:%d "
           "iPresent:%d "
           "strUDID:%s "
           "iBusNumber:%d "
           "iDeviceNumber:%d "
#if defined(__linux__)
           "iDrvIndex:%d "
#endif
           "iFunctionNumber:%d "
           "iVendorID:%d "
           "name:%s",
           devices,
           lpInfo[i].iAdapterIndex,
           lpInfo[i].iPresent,
           lpInfo[i].strUDID,
           lpInfo[i].iBusNumber,
           lpInfo[i].iDeviceNumber,
#if defined(__linux__)
           lpInfo[i].iDrvIndex,
#endif
           lpInfo[i].iFunctionNumber,
           lpInfo[i].iVendorID,
           lpInfo[i].strAdapterName);

    adapters[devices].iAdapterIndex = iAdapterIndex;
    adapters[devices].iBusNumber = lpInfo[i].iBusNumber;
    adapters[devices].id = i;

    /* We found a truly new adapter instead of a logical
     * one. Now since there's no way of correlating the
     * opencl enumerated devices and the ADL enumerated
     * ones, we have to assume they're in the same order.*/
    if (++devices > nDevs && devs_match) {
      applog(LOG_ERR, "ADL found more devices than opencl!");
      applog(LOG_ERR, "There is possibly at least one GPU that doesn't support OpenCL");
      applog(LOG_ERR, "Use the gpu map feature to reliably map OpenCL to ADL");
      devs_match = false;
    }
    last_adapter = lpAdapterID;

    if (!lpAdapterID) {
      applog(LOG_INFO, "Adapter returns ID 0 meaning not AMD. Card order might be confused");
      continue;
    }
  }

  if (devices < nDevs) {
    applog(LOG_ERR, "ADL found less devices than opencl!");
    applog(LOG_ERR, "There is possibly more than one display attached to a GPU");
    applog(LOG_ERR, "Use the gpu map feature to reliably map OpenCL to ADL");
    devs_match = false;
  }

  for (i = 0; i < devices; i++) {
    vadapters[i].virtual_gpu = i;
    vadapters[i].id = adapters[i].id;
  }

  /* Apply manually provided OpenCL to ADL mapping, if any */
  for (i = 0; i < nDevs; i++) {
    if (gpus[i].mapped) {
      vadapters[gpus[i].virtual_adl].virtual_gpu = i;
      applog(LOG_INFO, "Mapping OpenCL device %d to ADL device %d", i, gpus[i].virtual_adl);
    } else {
      gpus[i].virtual_adl = i;
    }
  }

  if (!devs_match) {
    applog(LOG_ERR, "WARNING: Number of OpenCL and ADL devices did not match!");
    applog(LOG_ERR, "Hardware monitoring may NOT match up with devices!");
  } else if (opt_reorder) {
    /* Windows has some kind of random ordering for bus number IDs and
     * ordering the GPUs according to ascending order fixes it. Linux
     * has usually sequential but decreasing order instead! */
    for (i = 0; i < devices; i++) {
      int j, virtual_gpu;

      virtual_gpu = 0;
      for (j = 0; j < devices; j++) {
        if (i == j)
          continue;
#ifdef WIN32
        if (adapters[j].iBusNumber < adapters[i].iBusNumber)
#else
        if (adapters[j].iBusNumber > adapters[i].iBusNumber)
#endif
          virtual_gpu++;
      }
      if (virtual_gpu != i) {
        applog(LOG_INFO, "Mapping device %d to GPU %d according to Bus Number order",
               i, virtual_gpu);
        vadapters[virtual_gpu].virtual_gpu = i;
        vadapters[virtual_gpu].id = adapters[i].id;
      }
    }
  }

  if (devices > nDevs)
    devices = nDevs;

  for (gpu = 0; gpu < devices; gpu++) {
    struct gpu_adl *ga;
    int iAdapterIndex;
    int lpAdapterID;
    ADLODPerformanceLevels *lpOdPerformanceLevels;
    int lev, adlGpu;
    size_t plsize;
    ADLBiosInfo BiosInfo;

    adlGpu = gpus[gpu].virtual_adl;
    i = vadapters[adlGpu].id;
    iAdapterIndex = lpInfo[i].iAdapterIndex;
    gpus[gpu].virtual_gpu = vadapters[adlGpu].virtual_gpu;

    /* Get unique identifier of the adapter, 0 means not AMD */
    result = ADL_Adapter_ID_Get(iAdapterIndex, &lpAdapterID);
    if (result != ADL_OK) {
      applog(LOG_INFO, "Failed to ADL_Adapter_ID_Get. Error %d", result);
      continue;
    }

    if (gpus[gpu].deven == DEV_DISABLED) {
      gpus[gpu].gpu_engine =
      gpus[gpu].gpu_memclock =
      gpus[gpu].gpu_vddc =
      gpus[gpu].gpu_fan =
      gpus[gpu].gpu_powertune = 0;
      continue;
    }

    applog(LOG_INFO, "GPU %d %s hardware monitoring enabled", gpu, lpInfo[i].strAdapterName);
    if (gpus[gpu].name)
      free(gpus[gpu].name);
    gpus[gpu].name = lpInfo[i].strAdapterName;
    gpus[gpu].has_adl = true;
    /* Flag adl as active if any card is successfully activated */
    adl_active = true;

    /* From here on we know this device is a discrete device and
     * should support ADL */
    ga = &gpus[gpu].adl;
    ga->gpu = gpu;
    ga->iAdapterIndex = iAdapterIndex;
    ga->lpAdapterID = lpAdapterID;
    strcpy(ga->strAdapterName, lpInfo[i].strAdapterName);
    ga->DefPerfLev = NULL;
    ga->twin = NULL;
    ga->def_fan_valid = false;

    applog(LOG_INFO, "ADL GPU %d is Adapter index %d and maps to adapter id %d", ga->gpu, ga->iAdapterIndex, ga->lpAdapterID);

    if (ADL_Adapter_VideoBiosInfo_Get(iAdapterIndex, &BiosInfo) != ADL_ERR)
      applog(LOG_INFO, "GPU %d BIOS partno.: %s, version: %s, date: %s", gpu, BiosInfo.strPartNumber, BiosInfo.strVersion, BiosInfo.strDate);

    ga->lpOdParameters.iSize = sizeof(ADLODParameters);
    if (ADL_Overdrive5_ODParameters_Get(iAdapterIndex, &ga->lpOdParameters) != ADL_OK)
      applog(LOG_INFO, "Failed to ADL_Overdrive5_ODParameters_Get");

    lev = ga->lpOdParameters.iNumberOfPerformanceLevels - 1;
    /* We're only interested in the top performance level */
    plsize = sizeof(ADLODPerformanceLevels) + lev * sizeof(ADLODPerformanceLevel);
    lpOdPerformanceLevels = (ADLODPerformanceLevels *)malloc(plsize);
    lpOdPerformanceLevels->iSize = plsize;

    /* Get default performance levels first */
    if (ADL_Overdrive5_ODPerformanceLevels_Get(iAdapterIndex, 1, lpOdPerformanceLevels) != ADL_OK)
      applog(LOG_INFO, "Failed to ADL_Overdrive5_ODPerformanceLevels_Get");
    /* Set the limits we'd use based on default gpu speeds */
    ga->maxspeed = ga->minspeed = lpOdPerformanceLevels->aLevels[lev].iEngineClock;

    ga->lpTemperature.iSize = sizeof(ADLTemperature);
    ga->lpFanSpeedInfo.iSize = sizeof(ADLFanSpeedInfo);
    ga->lpFanSpeedValue.iSize = ga->DefFanSpeedValue.iSize = sizeof(ADLFanSpeedValue);
    ga->lpFanSpeedValue.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_RPM;
    ga->DefFanSpeedValue.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_RPM;

    /* Now get the current performance levels for any existing overclock */
    if (ADL_Overdrive5_ODPerformanceLevels_Get(iAdapterIndex, 0, lpOdPerformanceLevels) != ADL_OK)
      applog(LOG_INFO, "Failed to ADL_Overdrive5_ODPerformanceLevels_Get");
    else {
      /* Save these values as the defaults in case we wish to reset to defaults */
      ga->DefPerfLev = (ADLODPerformanceLevels *)malloc(plsize);
      memcpy(ga->DefPerfLev, lpOdPerformanceLevels, plsize);
    }

    if (gpus[gpu].gpu_engine) {
      int setengine = gpus[gpu].gpu_engine * 100;

      /* Lower profiles can't have a higher setting */
      for (j = 0; j < lev; j++) {
        if (lpOdPerformanceLevels->aLevels[j].iEngineClock > setengine)
          lpOdPerformanceLevels->aLevels[j].iEngineClock = setengine;
      }
      lpOdPerformanceLevels->aLevels[lev].iEngineClock = setengine;
      applog(LOG_INFO, "Setting GPU %d engine clock to %d", gpu, gpus[gpu].gpu_engine);
      ADL_Overdrive5_ODPerformanceLevels_Set(iAdapterIndex, lpOdPerformanceLevels);
      ga->maxspeed = setengine;
      if (gpus[gpu].min_engine)
        ga->minspeed = gpus[gpu].min_engine * 100;
      ga->managed = true;
      if (gpus[gpu].gpu_memdiff)
        set_memoryclock(gpu, gpus[gpu].gpu_engine + gpus[gpu].gpu_memdiff);
    }

    if (gpus[gpu].gpu_memclock) {
      int setmem = gpus[gpu].gpu_memclock * 100;

      for (j = 0; j < lev; j++) {
        if (lpOdPerformanceLevels->aLevels[j].iMemoryClock > setmem)
          lpOdPerformanceLevels->aLevels[j].iMemoryClock = setmem;
      }
      lpOdPerformanceLevels->aLevels[lev].iMemoryClock = setmem;
      applog(LOG_INFO, "Setting GPU %d memory clock to %d", gpu, gpus[gpu].gpu_memclock);
      ADL_Overdrive5_ODPerformanceLevels_Set(iAdapterIndex, lpOdPerformanceLevels);
      ga->managed = true;
    }

    if (gpus[gpu].gpu_vddc) {
      int setv = gpus[gpu].gpu_vddc * 1000;

      for (j = 0; j < lev; j++) {
        if (lpOdPerformanceLevels->aLevels[j].iVddc > setv)
          lpOdPerformanceLevels->aLevels[j].iVddc = setv;
      }
      lpOdPerformanceLevels->aLevels[lev].iVddc = setv;
      applog(LOG_INFO, "Setting GPU %d voltage to %.3f", gpu, gpus[gpu].gpu_vddc);
      ADL_Overdrive5_ODPerformanceLevels_Set(iAdapterIndex, lpOdPerformanceLevels);
      ga->managed = true;
    }

    ADL_Overdrive5_ODPerformanceLevels_Get(iAdapterIndex, 0, lpOdPerformanceLevels);
    ga->iEngineClock = lpOdPerformanceLevels->aLevels[lev].iEngineClock;
    ga->iMemoryClock = lpOdPerformanceLevels->aLevels[lev].iMemoryClock;
    ga->iVddc = lpOdPerformanceLevels->aLevels[lev].iVddc;
    ga->iBusNumber = lpInfo[i].iBusNumber;

    if (ADL_Overdrive5_FanSpeedInfo_Get(iAdapterIndex, 0, &ga->lpFanSpeedInfo) != ADL_OK)
      applog(LOG_INFO, "Failed to ADL_Overdrive5_FanSpeedInfo_Get");

    if(!(ga->lpFanSpeedInfo.iFlags & (ADL_DL_FANCTRL_SUPPORTS_RPM_WRITE | ADL_DL_FANCTRL_SUPPORTS_PERCENT_WRITE)))
      ga->has_fanspeed = false;
    else
      ga->has_fanspeed = true;

    /* Save the fanspeed values as defaults in case we reset later */
    if (ADL_Overdrive5_FanSpeed_Get(iAdapterIndex, 0, &ga->DefFanSpeedValue) != ADL_OK)
      applog(LOG_INFO, "Failed to ADL_Overdrive5_FanSpeed_Get for default value");
    else
      ga->def_fan_valid = true;

    if (gpus[gpu].gpu_fan)
      set_fanspeed(gpu, gpus[gpu].gpu_fan);
    else
      gpus[gpu].gpu_fan = 85; /* Set a nominal upper limit of 85% */

    /* Not fatal if powercontrol get fails */
    if (ADL_Overdrive5_PowerControl_Get(iAdapterIndex, &ga->iPercentage, &dummy) != ADL_OK)
      applog(LOG_INFO, "Failed to ADL_Overdrive5_PowerControl_get");

    if (gpus[gpu].gpu_powertune) {
      ADL_Overdrive5_PowerControl_Set(iAdapterIndex, gpus[gpu].gpu_powertune);
      ADL_Overdrive5_PowerControl_Get(iAdapterIndex, &ga->iPercentage, &dummy);
      ga->managed = true;
    }

    /* Set some default temperatures for autotune when enabled */
    if (!ga->targettemp)
      ga->targettemp = opt_targettemp;
    if (!ga->overtemp)
      ga->overtemp = opt_overheattemp;
    if (!gpus[gpu].cutofftemp)
      gpus[gpu].cutofftemp = opt_cutofftemp;
    if (opt_autofan) {
      /* Set a safe starting default if we're automanaging fan speeds */
      int nominal = 50;

      ga->autofan = true;
      /* Clamp fanspeed values to range provided */
      if (nominal > gpus[gpu].gpu_fan)
        nominal = gpus[gpu].gpu_fan;
      if (nominal < gpus[gpu].min_fan)
        nominal = gpus[gpu].min_fan;
      set_fanspeed(gpu, nominal);
    }
    if (opt_autoengine) {
      ga->autoengine = true;
      ga->managed = true;
    }
    ga->lasttemp = __gpu_temp(ga);
  }

  for (gpu = 0; gpu < devices; gpu++) {
    struct gpu_adl *ga = &gpus[gpu].adl;
    int j;

    for (j = 0; j < devices; j++) {
      struct gpu_adl *other_ga;

      if (j == gpu)
        continue;

      other_ga = &gpus[j].adl;

      /* Search for twin GPUs on a single card. They will be
       * separated by one bus id and one will have fanspeed
       * while the other won't. */
      if (!ga->has_fanspeed) {
        if (fanspeed_twin(ga, other_ga)) {
          applog(LOG_INFO, "Dual GPUs detected: %d and %d",
            ga->gpu, other_ga->gpu);
          ga->twin = other_ga;
          other_ga->twin = ga;
        }
      }
    }
  }
}

static float __gpu_temp(struct gpu_adl *ga)
{
  if (ADL_Overdrive5_Temperature_Get(ga->iAdapterIndex, 0, &ga->lpTemperature) != ADL_OK)
    return -1;
  return (float)ga->lpTemperature.iTemperature / 1000;
}

float gpu_temp(int gpu)
{
  struct gpu_adl *ga;
  float ret = -1;

  if (!gpus[gpu].has_adl || !adl_active)
    return ret;

  ga = &gpus[gpu].adl;
  lock_adl();
  ret = __gpu_temp(ga);
  unlock_adl();
  gpus[gpu].temp = ret;
  return ret;
}

static inline int __gpu_engineclock(struct gpu_adl *ga)
{
  return ga->lpActivity.iEngineClock / 100;
}

int gpu_engineclock(int gpu)
{
  struct gpu_adl *ga;
  int ret = -1;

  if (!gpus[gpu].has_adl || !adl_active)
    return ret;

  ga = &gpus[gpu].adl;
  lock_adl();
  if (ADL_Overdrive5_CurrentActivity_Get(ga->iAdapterIndex, &ga->lpActivity) != ADL_OK)
    goto out;
  ret = __gpu_engineclock(ga);
out:
  unlock_adl();
  return ret;
}

static inline int __gpu_memclock(struct gpu_adl *ga)
{
  return ga->lpActivity.iMemoryClock / 100;
}

int gpu_memclock(int gpu)
{
  struct gpu_adl *ga;
  int ret = -1;

  if (!gpus[gpu].has_adl || !adl_active)
    return ret;

  ga = &gpus[gpu].adl;
  lock_adl();
  if (ADL_Overdrive5_CurrentActivity_Get(ga->iAdapterIndex, &ga->lpActivity) != ADL_OK)
    goto out;
  ret = __gpu_memclock(ga);
out:
  unlock_adl();
  return ret;
}

static inline float __gpu_vddc(struct gpu_adl *ga)
{
  return (float)ga->lpActivity.iVddc / 1000;
}

float gpu_vddc(int gpu)
{
  struct gpu_adl *ga;
  float ret = -1;

  if (!gpus[gpu].has_adl || !adl_active)
    return ret;

  ga = &gpus[gpu].adl;
  lock_adl();
  if (ADL_Overdrive5_CurrentActivity_Get(ga->iAdapterIndex, &ga->lpActivity) != ADL_OK)
    goto out;
  ret = __gpu_vddc(ga);
out:
  unlock_adl();
  return ret;
}

static inline int __gpu_activity(struct gpu_adl *ga)
{
  if (!ga->lpOdParameters.iActivityReportingSupported)
    return -1;
  return ga->lpActivity.iActivityPercent;
}

int gpu_activity(int gpu)
{
  struct gpu_adl *ga;
  int ret = -1;

  if (!gpus[gpu].has_adl || !adl_active)
    return ret;

  ga = &gpus[gpu].adl;
  lock_adl();
  ret = ADL_Overdrive5_CurrentActivity_Get(ga->iAdapterIndex, &ga->lpActivity);
  unlock_adl();
  if (ret != ADL_OK)
    return ret;
  if (!ga->lpOdParameters.iActivityReportingSupported)
    return ret;
  return ga->lpActivity.iActivityPercent;
}

static inline int __gpu_fanspeed(struct gpu_adl *ga)
{
  if (!ga->has_fanspeed && ga->twin)
    return __gpu_fanspeed(ga->twin);

  if (!(ga->lpFanSpeedInfo.iFlags & ADL_DL_FANCTRL_SUPPORTS_RPM_READ))
    return -1;
  ga->lpFanSpeedValue.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_RPM;
  if (ADL_Overdrive5_FanSpeed_Get(ga->iAdapterIndex, 0, &ga->lpFanSpeedValue) != ADL_OK)
    return -1;
  return ga->lpFanSpeedValue.iFanSpeed;
}

int gpu_fanspeed(int gpu)
{
  struct gpu_adl *ga;
  int ret = -1;

  if (!gpus[gpu].has_adl || !adl_active)
    return ret;

  ga = &gpus[gpu].adl;
  lock_adl();
  ret = __gpu_fanspeed(ga);
  unlock_adl();
  return ret;
}

static int __gpu_fanpercent(struct gpu_adl *ga)
{
  if (!ga->has_fanspeed && ga->twin)
    return __gpu_fanpercent(ga->twin);

  if (!(ga->lpFanSpeedInfo.iFlags & ADL_DL_FANCTRL_SUPPORTS_PERCENT_READ ))
    return -1;
  ga->lpFanSpeedValue.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_PERCENT;
  if (ADL_Overdrive5_FanSpeed_Get(ga->iAdapterIndex, 0, &ga->lpFanSpeedValue) != ADL_OK)
    return -1;
  return ga->lpFanSpeedValue.iFanSpeed;
}

int gpu_fanpercent(int gpu)
{
  struct gpu_adl *ga;
  int ret = -1;

  if (!gpus[gpu].has_adl || !adl_active)
    return ret;

  ga = &gpus[gpu].adl;
  lock_adl();
  ret = __gpu_fanpercent(ga);
  unlock_adl();
  if (unlikely(ga->has_fanspeed && ret == -1)) {
#if 0
    /* Recursive calling applog causes a hang, so disable messages */
    applog(LOG_WARNING, "GPU %d stopped reporting fanspeed due to driver corruption", gpu);
    if (opt_restart) {
      applog(LOG_WARNING, "Restart enabled, will attempt to restart sgminer");
      applog(LOG_WARNING, "You can disable this with the --no-restart option");
      app_restart();
    }
    applog(LOG_WARNING, "Disabling fanspeed monitoring on this device");
    ga->has_fanspeed = false;
    if (ga->twin) {
      applog(LOG_WARNING, "Disabling fanspeed linking on GPU twins");
      ga->twin->twin = NULL;;
      ga->twin = NULL;
    }
#endif
    if (opt_restart)
      app_restart();
    ga->has_fanspeed = false;
    if (ga->twin) {
      ga->twin->twin = NULL;;
      ga->twin = NULL;
    }
  }
  return ret;
}

static inline int __gpu_powertune(struct gpu_adl *ga)
{
  int dummy = 0;

  if (ADL_Overdrive5_PowerControl_Get(ga->iAdapterIndex, &ga->iPercentage, &dummy) != ADL_OK)
    return -1;
  return ga->iPercentage;
}

int gpu_powertune(int gpu)
{
  struct gpu_adl *ga;
  int ret = -1;

  if (!gpus[gpu].has_adl || !adl_active)
    return ret;

  ga = &gpus[gpu].adl;
  lock_adl();
  ret = __gpu_powertune(ga);
  unlock_adl();
  return ret;
}

bool gpu_stats(int gpu, float *temp, int *engineclock, int *memclock, float *vddc,
         int *activity, int *fanspeed, int *fanpercent, int *powertune)
{
  struct gpu_adl *ga;

  if (!gpus[gpu].has_adl || !adl_active)
    return false;

  ga = &gpus[gpu].adl;

  lock_adl();
  *temp = __gpu_temp(ga);
  if (ADL_Overdrive5_CurrentActivity_Get(ga->iAdapterIndex, &ga->lpActivity) != ADL_OK) {
    *engineclock = 0;
    *memclock = 0;
    *vddc = 0;
    *activity = 0;
  } else {
    *engineclock = __gpu_engineclock(ga);
    *memclock = __gpu_memclock(ga);
    *vddc = __gpu_vddc(ga);
    *activity = __gpu_activity(ga);
  }
  *fanspeed = __gpu_fanspeed(ga);
  *fanpercent = __gpu_fanpercent(ga);
  *powertune = __gpu_powertune(ga);
  unlock_adl();

  return true;
}

#ifdef HAVE_CURSES
static void get_enginerange(int gpu, int *imin, int *imax)
{
  struct gpu_adl *ga;

  if (!gpus[gpu].has_adl || !adl_active) {
    wlogprint("Get enginerange not supported\n");
    return;
  }
  ga = &gpus[gpu].adl;
  *imin = ga->lpOdParameters.sEngineClock.iMin / 100;
  *imax = ga->lpOdParameters.sEngineClock.iMax / 100;
}
#endif

int set_engineclock(int gpu, int iEngineClock)
{
  ADLODPerformanceLevels *lpOdPerformanceLevels;
  struct cgpu_info *cgpu;
  int i, lev, ret = 1;
  struct gpu_adl *ga;

  if (!gpus[gpu].has_adl || !adl_active) {
    wlogprint("Set engineclock not supported\n");
    return ret;
  }

  iEngineClock *= 100;
  ga = &gpus[gpu].adl;

  /* Keep track of intended engine clock in case the device changes
   * profile and drops while idle, not taking the new engine clock */
  ga->lastengine = iEngineClock;

  lev = ga->lpOdParameters.iNumberOfPerformanceLevels - 1;
  lpOdPerformanceLevels = (ADLODPerformanceLevels *)alloca(sizeof(ADLODPerformanceLevels)+(lev * sizeof(ADLODPerformanceLevel)));
  lpOdPerformanceLevels->iSize = sizeof(ADLODPerformanceLevels) + sizeof(ADLODPerformanceLevel) * lev;

  lock_adl();
  if (ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels) != ADL_OK)
    goto out;
  for (i = 0; i < lev; i++) {
    if (lpOdPerformanceLevels->aLevels[i].iEngineClock > iEngineClock)
      lpOdPerformanceLevels->aLevels[i].iEngineClock = iEngineClock;
  }
  lpOdPerformanceLevels->aLevels[lev].iEngineClock = iEngineClock;
  ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, lpOdPerformanceLevels);
  ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels);
  if (lpOdPerformanceLevels->aLevels[lev].iEngineClock == iEngineClock)
    ret = 0;
  ga->iEngineClock = lpOdPerformanceLevels->aLevels[lev].iEngineClock;
  if (ga->iEngineClock > ga->maxspeed)
    ga->maxspeed = ga->iEngineClock;
  if (ga->iEngineClock < ga->minspeed)
    ga->minspeed = ga->iEngineClock;
  ga->iMemoryClock = lpOdPerformanceLevels->aLevels[lev].iMemoryClock;
  ga->iVddc = lpOdPerformanceLevels->aLevels[lev].iVddc;
  ga->managed = true;
out:
  unlock_adl();

  cgpu = &gpus[gpu];
  if (cgpu->gpu_memdiff)
    set_memoryclock(gpu, iEngineClock / 100 + cgpu->gpu_memdiff);

  return ret;
}

#ifdef HAVE_CURSES
static void get_memoryrange(int gpu, int *imin, int *imax)
{
  struct gpu_adl *ga;

  if (!gpus[gpu].has_adl || !adl_active) {
    wlogprint("Get memoryrange not supported\n");
    return;
  }
  ga = &gpus[gpu].adl;
  *imin = ga->lpOdParameters.sMemoryClock.iMin / 100;
  *imax = ga->lpOdParameters.sMemoryClock.iMax / 100;
}
#endif

int set_memoryclock(int gpu, int iMemoryClock)
{
  ADLODPerformanceLevels *lpOdPerformanceLevels;
  int i, lev, ret = 1;
  struct gpu_adl *ga;

  if (!gpus[gpu].has_adl || !adl_active) {
    wlogprint("Set memoryclock not supported\n");
    return ret;
  }

  iMemoryClock *= 100;
  ga = &gpus[gpu].adl;

  lev = ga->lpOdParameters.iNumberOfPerformanceLevels - 1;
  lpOdPerformanceLevels = (ADLODPerformanceLevels *)alloca(sizeof(ADLODPerformanceLevels)+(lev * sizeof(ADLODPerformanceLevel)));
  lpOdPerformanceLevels->iSize = sizeof(ADLODPerformanceLevels) + sizeof(ADLODPerformanceLevel) * lev;

  lock_adl();
  if (ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels) != ADL_OK)
    goto out;
  lpOdPerformanceLevels->aLevels[lev].iMemoryClock = iMemoryClock;
  for (i = 0; i < lev; i++) {
    if (lpOdPerformanceLevels->aLevels[i].iMemoryClock > iMemoryClock)
      lpOdPerformanceLevels->aLevels[i].iMemoryClock = iMemoryClock;
  }
  ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, lpOdPerformanceLevels);
  ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels);
  if (lpOdPerformanceLevels->aLevels[lev].iMemoryClock == iMemoryClock)
    ret = 0;
  ga->iEngineClock = lpOdPerformanceLevels->aLevels[lev].iEngineClock;
  ga->iMemoryClock = lpOdPerformanceLevels->aLevels[lev].iMemoryClock;
  ga->iVddc = lpOdPerformanceLevels->aLevels[lev].iVddc;
  ga->managed = true;
out:
  unlock_adl();
  return ret;
}

#ifdef HAVE_CURSES
static void get_vddcrange(int gpu, float *imin, float *imax)
{
  struct gpu_adl *ga;

  if (!gpus[gpu].has_adl || !adl_active) {
    wlogprint("Get vddcrange not supported\n");
    return;
  }
  ga = &gpus[gpu].adl;
  *imin = (float)ga->lpOdParameters.sVddc.iMin / 1000;
  *imax = (float)ga->lpOdParameters.sVddc.iMax / 1000;
}

static float curses_float(const char *query)
{
  float ret;
  char *cvar;

  cvar = curses_input(query);
  ret = atof(cvar);
  free(cvar);
  return ret;
}
#endif

int set_vddc(int gpu, float fVddc)
{
  ADLODPerformanceLevels *lpOdPerformanceLevels;
  int i, iVddc, lev, ret = 1;
  struct gpu_adl *ga;

  if (!gpus[gpu].has_adl || !adl_active) {
    wlogprint("Set vddc not supported\n");
    return ret;
  }

  iVddc = 1000 * fVddc;
  ga = &gpus[gpu].adl;

  lev = ga->lpOdParameters.iNumberOfPerformanceLevels - 1;
  lpOdPerformanceLevels = (ADLODPerformanceLevels *)alloca(sizeof(ADLODPerformanceLevels)+(lev * sizeof(ADLODPerformanceLevel)));
  lpOdPerformanceLevels->iSize = sizeof(ADLODPerformanceLevels) + sizeof(ADLODPerformanceLevel) * lev;

  lock_adl();
  if (ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels) != ADL_OK)
    goto out;
  for (i = 0; i < lev; i++) {
    if (lpOdPerformanceLevels->aLevels[i].iVddc > iVddc)
      lpOdPerformanceLevels->aLevels[i].iVddc = iVddc;
  }
  lpOdPerformanceLevels->aLevels[lev].iVddc = iVddc;
  ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, lpOdPerformanceLevels);
  ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels);
  if (lpOdPerformanceLevels->aLevels[lev].iVddc == iVddc)
    ret = 0;
  ga->iEngineClock = lpOdPerformanceLevels->aLevels[lev].iEngineClock;
  ga->iMemoryClock = lpOdPerformanceLevels->aLevels[lev].iMemoryClock;
  ga->iVddc = lpOdPerformanceLevels->aLevels[lev].iVddc;
  ga->managed = true;
out:
  unlock_adl();
  return ret;
}

static void get_fanrange(int gpu, int *imin, int *imax)
{
  struct gpu_adl *ga;

  if (!gpus[gpu].has_adl || !adl_active) {
    wlogprint("Get fanrange not supported\n");
    return;
  }
  ga = &gpus[gpu].adl;
  *imin = ga->lpFanSpeedInfo.iMinPercent;
  *imax = ga->lpFanSpeedInfo.iMaxPercent;
}

int set_fanspeed(int gpu, int iFanSpeed)
{
  struct gpu_adl *ga;
  int ret = 1;

  if (!gpus[gpu].has_adl || !adl_active) {
    wlogprint("Set fanspeed not supported\n");
    return ret;
  }

  ga = &gpus[gpu].adl;
  if (!(ga->lpFanSpeedInfo.iFlags & (ADL_DL_FANCTRL_SUPPORTS_RPM_WRITE | ADL_DL_FANCTRL_SUPPORTS_PERCENT_WRITE ))) {
    applog(LOG_DEBUG, "GPU %d doesn't support rpm or percent write", gpu);
    return ret;
  }

  /* Store what fanspeed we're actually aiming for for re-entrant changes
   * in case this device does not support fine setting changes */
  ga->targetfan = iFanSpeed;

  lock_adl();
  ga->lpFanSpeedValue.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_RPM;
  if (ADL_Overdrive5_FanSpeed_Get(ga->iAdapterIndex, 0, &ga->lpFanSpeedValue) != ADL_OK) {
    applog(LOG_DEBUG, "GPU %d call to fanspeed get failed", gpu);
  }
  if (!(ga->lpFanSpeedValue.iFlags & ADL_DL_FANCTRL_FLAG_USER_DEFINED_SPEED)) {
    /* If user defined is not already specified, set it first */
    ga->lpFanSpeedValue.iFlags |= ADL_DL_FANCTRL_FLAG_USER_DEFINED_SPEED;
    ADL_Overdrive5_FanSpeed_Set(ga->iAdapterIndex, 0, &ga->lpFanSpeedValue);
  }
  if (!(ga->lpFanSpeedInfo.iFlags & ADL_DL_FANCTRL_SUPPORTS_PERCENT_WRITE)) {
    /* Must convert speed to an RPM */
    iFanSpeed = ga->lpFanSpeedInfo.iMaxRPM * iFanSpeed / 100;
    ga->lpFanSpeedValue.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_RPM;
  } else
    ga->lpFanSpeedValue.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_PERCENT;
  ga->lpFanSpeedValue.iFanSpeed = iFanSpeed;
  ret = ADL_Overdrive5_FanSpeed_Set(ga->iAdapterIndex, 0, &ga->lpFanSpeedValue);
  ga->managed = true;
  unlock_adl();

  return ret;
}

#ifdef HAVE_CURSES
int set_powertune(int gpu, int iPercentage)
{
  struct gpu_adl *ga;
  int dummy, ret = 1;

  if (!gpus[gpu].has_adl || !adl_active) {
    wlogprint("Set powertune not supported\n");
    return ret;
  }

  ga = &gpus[gpu].adl;

  lock_adl();
  ADL_Overdrive5_PowerControl_Set(ga->iAdapterIndex, iPercentage);
  ADL_Overdrive5_PowerControl_Get(ga->iAdapterIndex, &ga->iPercentage, &dummy);
  if (ga->iPercentage == iPercentage)
    ret = 0;
  ga->managed = true;
  unlock_adl();
  return ret;
}
#endif

/* Returns whether the fanspeed is optimal already or not. The fan_window bool
 * tells us whether the current fanspeed is in the target range for fanspeeds.
 */
static bool fan_autotune(int gpu, int temp, int fanpercent, int lasttemp, bool *fan_window)
{
  struct cgpu_info *cgpu = &gpus[gpu];
  int tdiff = round((double)(temp - lasttemp));
  struct gpu_adl *ga = &cgpu->adl;
  int top = gpus[gpu].gpu_fan;
  int bot = gpus[gpu].min_fan;
  int newpercent = fanpercent;
  int iMin = 0, iMax = 100;

  get_fanrange(gpu, &iMin, &iMax);
  if (temp > ga->overtemp && fanpercent < iMax) {
    applog(LOG_WARNING, "Overheat detected on GPU %d, increasing fan to 100%%", gpu);
    newpercent = iMax;

    dev_error(cgpu, REASON_DEV_OVER_HEAT);
  } else if (temp > ga->targettemp && fanpercent < top && tdiff >= 0) {
    applog(LOG_DEBUG, "Temperature over target, increasing fanspeed");
    if (temp > ga->targettemp + opt_hysteresis)
      newpercent = ga->targetfan + 10;
    else
      newpercent = ga->targetfan + 5;
    if (newpercent > top)
      newpercent = top;
  } else if (fanpercent > bot && temp < ga->targettemp - opt_hysteresis) {
    /* Detect large swings of 5 degrees or more and change fan by
     * a proportion more */
    if (tdiff <= 0) {
      applog(LOG_DEBUG, "Temperature %d degrees below target, decreasing fanspeed", opt_hysteresis);
      newpercent = ga->targetfan - 1 + tdiff / 5;
    } else if (tdiff >= 5) {
      applog(LOG_DEBUG, "Temperature climbed %d while below target, increasing fanspeed", tdiff);
      newpercent = ga->targetfan + tdiff / 5;
    }
  } else {

    /* We're in the optimal range, make minor adjustments if the
     * temp is still drifting */
    if (fanpercent > bot && tdiff < 0 && lasttemp < ga->targettemp) {
      applog(LOG_DEBUG, "Temperature dropping while in target range, decreasing fanspeed");
      newpercent = ga->targetfan + tdiff;
    } else if (fanpercent < top && tdiff > 0 && temp > ga->targettemp - opt_hysteresis) {
      applog(LOG_DEBUG, "Temperature rising while in target range, increasing fanspeed");
      newpercent = ga->targetfan + tdiff;
    }
  }

  if (newpercent > iMax)
    newpercent = iMax;
  else if (newpercent < iMin)
    newpercent = iMin;

  if (newpercent <= top)
    *fan_window = true;
  else
    *fan_window = false;

  if (newpercent != fanpercent) {
    applog(LOG_INFO, "Setting GPU %d fan percentage to %d", gpu, newpercent);
    set_fanspeed(gpu, newpercent);
    /* If the fanspeed is going down and we're below the top speed,
     * consider the fan optimal to prevent minute changes in
     * fanspeed delaying GPU engine speed changes */
    if (newpercent < fanpercent && *fan_window)
      return true;
    return false;
  }
  return true;
}

void gpu_autotune(int gpu, enum dev_enable *denable)
{
  int temp, fanpercent, engine, newengine, twintemp = 0;
  bool fan_optimal = true, fan_window = true;
  struct cgpu_info *cgpu;
  struct gpu_adl *ga;
  int i;

  cgpu = &gpus[gpu];
  ga = &cgpu->adl;

  lock_adl();
  ADL_Overdrive5_CurrentActivity_Get(ga->iAdapterIndex, &ga->lpActivity);
  temp = __gpu_temp(ga);
  if (ga->twin)
    twintemp = __gpu_temp(ga->twin);
  fanpercent = __gpu_fanpercent(ga);
  unlock_adl();

  newengine = engine = gpu_engineclock(gpu) * 100;

  if (temp && fanpercent >= 0 && ga->autofan) {
    if (!ga->twin)
      fan_optimal = fan_autotune(gpu, temp, fanpercent, ga->lasttemp, &fan_window);
    else if (ga->autofan && (ga->has_fanspeed || !ga->twin->autofan)) {
      /* On linked GPUs, we autotune the fan only once, based
       * on the highest temperature from either GPUs */
      int hightemp, fan_gpu;
      int lasttemp;

      if (twintemp > temp) {
        lasttemp = ga->twin->lasttemp;
        hightemp = twintemp;
      } else {
        lasttemp = ga->lasttemp;
        hightemp = temp;
      }
      if (ga->has_fanspeed)
        fan_gpu = gpu;
      else
        fan_gpu = ga->twin->gpu;
      fan_optimal = fan_autotune(fan_gpu, hightemp, fanpercent, lasttemp, &fan_window);
    }
  }

  if (engine && ga->autoengine) {
    if (temp > cgpu->cutofftemp) {
      applog(LOG_WARNING, "Hit thermal cutoff limit on GPU %d, disabling!", gpu);
      *denable = DEV_RECOVER;
      newengine = ga->minspeed;
      dev_error(cgpu, REASON_DEV_THERMAL_CUTOFF);
    } else if (temp > ga->overtemp && engine > ga->minspeed) {
      applog(LOG_WARNING, "Overheat detected, decreasing GPU %d clock speed", gpu);
      newengine = ga->minspeed;

      dev_error(cgpu, REASON_DEV_OVER_HEAT);
    } else if (temp > ga->targettemp + opt_hysteresis && engine > ga->minspeed && fan_optimal) {
      applog(LOG_DEBUG, "Temperature %d degrees over target, decreasing clock speed", opt_hysteresis);
      newengine = engine - ga->lpOdParameters.sEngineClock.iStep;
      /* Only try to tune engine speed up if this GPU is not disabled */
    } else if (temp < ga->targettemp && engine < ga->maxspeed && fan_window && *denable == DEV_ENABLED) {
      int iStep = ga->lpOdParameters.sEngineClock.iStep;

      applog(LOG_DEBUG, "Temperature below target, increasing clock speed");
      if (temp < ga->targettemp - opt_hysteresis)
        iStep *= 2;
      newengine = engine + iStep;
    } else if (temp < ga->targettemp && *denable == DEV_RECOVER && opt_restart) {
      applog(LOG_NOTICE, "Device recovered to temperature below target, re-enabling");
      *denable = DEV_ENABLED;
      for (i = 0; i < cgpu->threads; i++)
        cgsem_post(&cgpu->thr[i]->sem);
    }

    if (newengine > ga->maxspeed)
      newengine = ga->maxspeed;
    else if (newengine < ga->minspeed)
      newengine = ga->minspeed;

    /* Adjust engine clock speed if it's lower, or if it's higher
     * but higher than the last intended value as well as the
     * current speed, to avoid setting the engine clock speed to
     * a speed relateive to a lower profile during idle periods. */
    if (newengine < engine || (newengine > engine && newengine > ga->lastengine)) {
      newengine /= 100;
      applog(LOG_INFO, "Setting GPU %d engine clock to %d", gpu, newengine);
      set_engineclock(gpu, newengine);
    }
  }
  ga->lasttemp = temp;
}

void set_defaultfan(int gpu)
{
  struct gpu_adl *ga;
  if (!gpus[gpu].has_adl || !adl_active)
    return;

  ga = &gpus[gpu].adl;
  lock_adl();
  if (ga->def_fan_valid)
    ADL_Overdrive5_FanSpeed_Set(ga->iAdapterIndex, 0, &ga->DefFanSpeedValue);
  unlock_adl();
}

void set_defaultengine(int gpu)
{
  struct gpu_adl *ga;
  if (!gpus[gpu].has_adl || !adl_active)
    return;

  ga = &gpus[gpu].adl;
  lock_adl();
  if (ga->DefPerfLev)
    ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, ga->DefPerfLev);
  unlock_adl();
}

#ifdef HAVE_CURSES
void change_autosettings(int gpu)
{
  struct gpu_adl *ga = &gpus[gpu].adl;
  char input;
  int val;

  wlogprint("Target temperature: %d\n", ga->targettemp);
  wlogprint("Overheat temperature: %d\n", ga->overtemp);
  wlogprint("Cutoff temperature: %d\n", gpus[gpu].cutofftemp);
  wlogprint("Toggle [F]an auto [G]PU auto\nChange [T]arget [O]verheat [C]utoff\n");
  wlogprint("Or press any other key to continue\n");
  input = getch();
  if (!strncasecmp(&input, "f", 1)) {
    ga->autofan ^= true;
    wlogprint("Fan autotune is now %s\n", ga->autofan ? "enabled" : "disabled");
    if (!ga->autofan) {
      wlogprint("Resetting fan to startup settings\n");
      set_defaultfan(gpu);
    }
  } else if (!strncasecmp(&input, "g", 1)) {
    ga->autoengine ^= true;
    wlogprint("GPU engine clock autotune is now %s\n", ga->autoengine ? "enabled" : "disabled");
    if (!ga->autoengine) {
      wlogprint("Resetting GPU engine clock to startup settings\n");
      set_defaultengine(gpu);
    }
  } else if (!strncasecmp(&input, "t", 1)) {
    val = curses_int("Enter target temperature for this GPU in C (0-200)");
    if (val < 0 || val > 200)
      wlogprint("Invalid temperature");
    else
      ga->targettemp = val;
  } else if (!strncasecmp(&input, "o", 1)) {
    wlogprint("Enter overheat temperature for this GPU in C (%d+)", ga->targettemp);
    val = curses_int("");
    if (val <= ga->targettemp || val > 200)
      wlogprint("Invalid temperature");
    else
      ga->overtemp = val;
  } else if (!strncasecmp(&input, "c", 1)) {
    wlogprint("Enter cutoff temperature for this GPU in C (%d+)", ga->overtemp);
    val = curses_int("");
    if (val <= ga->overtemp || val > 200)
      wlogprint("Invalid temperature");
    else
      gpus[gpu].cutofftemp = val;
  }
}

void change_gpusettings(int gpu)
{
  struct gpu_adl *ga = &gpus[gpu].adl;
  float fval, fmin = 0, fmax = 0;
  int val, imin = 0, imax = 0;
  char input, ut_c;
  int engineclock = 0, memclock = 0, activity = 0, fanspeed = 0, fanpercent = 0, powertune = 0;
  float temp = 0, vddc = 0;
  double ut_best_score = 0; /* Best hashrate */
    int ut_best_gpu = 0;  /* Best score GPU engine clock */
  int ut_best_mem = 0;  /* Best score MEM clock */
  int ut_gpu, ut_mem, gpu_min, gpu_max, mem_min, mem_max;
  int ut_gpu_resume = 0, ut_mem_resume = 0;
  int ut_stabledelay;   /* Time to wait after applying new GPU/MEM freq. settings before taking performance measurements (ms) */
  int ut_loops;
  int i;

  double displayed_rolling, displayed_total, last_rolling;
  bool mhash_base = true, ut_best_mhash_base;

updated:
  if (gpu_stats(gpu, &temp, &engineclock, &memclock, &vddc, &activity, &fanspeed, &fanpercent, &powertune))
  wlogprint("Temp: %.1f C\n", temp);
  if (fanpercent >= 0 || fanspeed >= 0) {
    wlogprint("Fan Speed: ");
    if (fanpercent >= 0)
      wlogprint("%d%% ", fanpercent);
    if (fanspeed >= 0)
      wlogprint("(%d RPM)", fanspeed);
    wlogprint("\n");
  }
  wlogprint("Engine Clock: %d MHz\nMemory Clock: %d Mhz\nVddc: %.3f V\nActivity: %d%%\nPowertune: %d%%\n",
    engineclock, memclock, vddc, activity, powertune);
  wlogprint("Fan autotune is %s (%d-%d)\n", ga->autofan ? "enabled" : "disabled",
      gpus[gpu].min_fan, gpus[gpu].gpu_fan);
  wlogprint("GPU engine clock autotune is %s (%d-%d)\n", ga->autoengine ? "enabled" : "disabled",
    ga->minspeed / 100, ga->maxspeed / 100);
  wlogprint("Change [A]utomatic [E]ngine [F]an [M]emory [V]oltage [P]owertune [U]ltratune\n");
  wlogprint("Or press any other key to continue\n");
  input = getch();

  if (!strncasecmp(&input, "a", 1)) {
    change_autosettings(gpu);
  } else if (!strncasecmp(&input, "e", 1)) {
    get_enginerange(gpu, &imin, &imax);
    wlogprint("Enter GPU engine clock speed (%d - %d Mhz)", imin, imax);
    val = curses_int("");
    if (val < imin || val > imax) {
      wlogprint("Value is outside safe range, are you sure?\n");
      input = getch();
      if (strncasecmp(&input, "y", 1))
        return;
    }
    if (!set_engineclock(gpu, val))
      wlogprint("Driver reports success but check values below\n");
    else
      wlogprint("Failed to modify engine clock speed\n");
  } else if (!strncasecmp(&input, "f", 1)) {
    get_fanrange(gpu, &imin, &imax);
    wlogprint("Enter fan percentage (%d - %d %%)", imin, imax);
    val = curses_int("");
    if (val < imin || val > imax) {
      wlogprint("Value is outside safe range, are you sure?\n");
      input = getch();
      if (strncasecmp(&input, "y", 1))
        return;
    }
    if (!set_fanspeed(gpu, val))
      wlogprint("Driver reports success but check values below\n");
    else
      wlogprint("Failed to modify fan speed\n");
  } else if (!strncasecmp(&input, "m", 1)) {
    get_memoryrange(gpu, &imin, &imax);
    wlogprint("Enter GPU memory clock speed (%d - %d Mhz)", imin, imax);
    val = curses_int("");
    if (val < imin || val > imax) {
      wlogprint("Value is outside safe range, are you sure?\n");
      input = getch();
      if (strncasecmp(&input, "y", 1))
        return;
    }
    if (!set_memoryclock(gpu, val))
      wlogprint("Driver reports success but check values below\n");
    else
      wlogprint("Failed to modify memory clock speed\n");
  } else if (!strncasecmp(&input, "v", 1)) {
    get_vddcrange(gpu, &fmin, &fmax);
    wlogprint("Enter GPU voltage (%.3f - %.3f V)", fmin, fmax);
    fval = curses_float("");
    if (fval < fmin || fval > fmax) {
      wlogprint("Value is outside safe range, are you sure?\n");
      input = getch();
      if (strncasecmp(&input, "y", 1))
        return;
    }
    if (!set_vddc(gpu, fval))
      wlogprint("Driver reports success but check values below\n");
    else
      wlogprint("Failed to modify voltage\n");
  } else if (!strncasecmp(&input, "p", 1)) {
    val = curses_int("Enter powertune value (-20 - 20)");
    if (val < -20 || val > 20) {
      wlogprint("Value is outside safe range, are you sure?\n");
      input = getch();
      if (strncasecmp(&input, "y", 1))
        return;
    }
    if (!set_powertune(gpu, val))
      wlogprint("Driver reports success but check values below\n");
    else
      wlogprint("Failed to modify powertune value\n");
  } else if (!strncasecmp(&input, "u", 1)) {
  /* Ultratune - Search for optimal tuning parameters for hardware */

    /* We need ADL */
    if (!gpus[gpu].has_adl || !adl_active) {
      wlogprint("ADL must be enabled to use this feature.");
      cgsleep_ms(3000);
      return;
    }

    wlogprint("Enter MINIMUM GPU engine speed [900]");
    gpu_min = curses_int("");
    if (gpu_min == -1)
      gpu_min = 900;
    wlogprint("Enter MAXIMUM GPU engine speed [1150]");
    gpu_max = curses_int("");
    if (gpu_max == -1)
      gpu_max = 1150;
    wlogprint("Enter MINIMUM MEMORY speed [1400]");
    mem_min = curses_int("");
    if (mem_min == -1)
      mem_min = 1400;
    wlogprint("Enter MAXIMUM MEMORY speed [1750]");
    mem_max = curses_int("");
    if (mem_max == -1)
      mem_max = 1750;
    wlogprint("Enter stabilization time (ms) [5000]");
    ut_stabledelay = curses_int("");
    if (!ut_stabledelay)
      ut_stabledelay = 5000;
    wlogprint("Resume from previous session? (y/n)");
    ut_c = getch();
    wlogprint("\n");
    if (!strncasecmp(&ut_c, "y", 1)) {
      wlogprint("Enter previous session's best GPU clock (MHz)");
      ut_gpu_resume = curses_int("");
      if (!ut_gpu_resume)
        ut_gpu_resume = 0;
      wlogprint("Enter previous session's best MEMORY clock (MHz)");
      ut_mem_resume = curses_int("");
      if (!ut_mem_resume)
        ut_mem_resume = 0;
    }

    clear_logwin();

    wlogprint("Here comes *LOTS* of trial and error, be patient...\n");
    ut_best_score = 0;
    ut_best_mhash_base = mhash_base;
    ut_best_gpu = engineclock;
    ut_best_mem = memclock;

    /* Increase the GPU clock from MIN to MAX and run through various memory settings for each speed */
    for (ut_gpu = gpu_min; ut_gpu <= gpu_max; ut_gpu += 10) {

      /* Resume? */
      if (ut_gpu_resume) {
        ut_gpu = ut_gpu_resume;
        ut_gpu_resume = 0;
      }

      /* Set GPU clock speed */
      if (set_engineclock(gpu, ut_gpu)) {
        /* Failed, wait a couple seconds and try again */
        wlogprint("Failed to set GPU clock to %d MHz.  Trying again...\n", ut_gpu);
        cgsleep_ms(2000);
        if (set_engineclock(gpu, ut_gpu)) {
          wlogprint("Failed to set GPU clock to %d MHz.  Ultratune Aborted.\n", ut_gpu);
          input = getch();
          return;
        }
      }

      /* Run through memory speeds to find the best one for this GPU freq. */
      ut_loops = 0;
      for (ut_mem = mem_min; ut_mem <= mem_max; ut_mem += 5) {
        ut_loops++;

        /* Resume? */
        if (ut_mem_resume) {
          ut_mem = ut_mem_resume;
          ut_mem_resume = 0;
        }

        /* Set new memory speed */
        if (set_memoryclock(gpu, ut_mem)) {
          /* Failed, wait a couple seconds and try again */
          wlogprint("Failed to set MEM clock to %d MHz.  Trying again...\n", ut_mem);
          cgsleep_ms(2000);
          if (set_memoryclock(gpu, ut_mem)) {
            wlogprint("Failed to set MEM clock to %d MHz.  Ultratune Aborted.\n", ut_mem);
            input = getch();
            return;
          }
        }

        wlogprint("Ultratune Clocks: GPU: %d MHz, MEM: %d", ut_gpu, ut_mem);
        cgsleep_ms(ut_stabledelay);

        /* Loop if the hash rate is increasing */
        /* This loop is tuned (number of loops + delay) based on trial and error */
        last_rolling = gpus[gpu].rolling;
        for (i = 0; i < 6; i++) {
          cgsleep_ms(1250);
          /* keep waiting? */
          if (gpus[gpu].rolling > last_rolling) {
            last_rolling = gpus[gpu].rolling;
            /* Wait around even longer if hashes are going up occasionally */
            if (i) i--;
            if (i) i--;
            continue;
          }
        }

        displayed_rolling = last_rolling;
        displayed_total = gpus[gpu].total_mhashes / total_secs;
        ut_best_mhash_base = true;
        if (displayed_rolling < 1) {
          displayed_rolling *= 1000;
          displayed_total *= 1000;
          mhash_base = false;
          ut_best_mhash_base = mhash_base;
        }

        /* Display score */
        wlogprint(", Score: %.1f%sh/s, Ratio: %.3f\n", displayed_rolling, mhash_base ? "M" : "K", (double) ut_gpu / ut_mem);

        /* Record the score */
        if (last_rolling > ut_best_score) {
          ut_best_score = last_rolling;
          ut_best_gpu = ut_gpu;
          ut_best_mem = ut_mem;
        }

        /* Show Ultratune's best settings */
        if (!(ut_loops % 5)) {
          wlogprint("Best Settings (so far): GPU = %d MHz, MEM = %d MHz, Score = %.1f%sh\n", ut_best_gpu, ut_best_mem, ut_best_score < 1 ? ut_best_score * 1000 : ut_best_score, ut_best_mhash_base ? "M" : "K");
        }
        /* Remind the user how to quit once in a while */
        if (!(ut_loops % 10)) {
          wlogprint("Press Ctrl-C to Quit.  Write down best GPU/MEM settings (above).\n");
        }
      }
    }

    /* Ultratune finished */
    wlogprint("Best Settings: GPU = %d MHz, MEM = %d MHz, Score: %.1f%sh, Ratio: %.3f\n", ut_best_gpu, ut_best_mem, ut_best_score < 1 ? ut_best_score * 1000 : ut_best_score, ut_best_mhash_base ? "M" : "K", (double) ut_best_gpu / ut_best_mem);

    /* Set the card to the best settings */
    if (set_engineclock(gpu, ut_best_gpu)) {
      /* Failed */
      wlogprint("Failed to set GPU engine clock to %d MHz.  Ultratune Aborted.", ut_best_gpu);
      input = getch();
      return;
    }
    if (set_memoryclock(gpu, ut_best_mem)) {
      /* Failed */
      wlogprint("Failed to set MEM engine clock to %d MHz.  Ultratune Aborted.", ut_best_mem);
      input = getch();
      return;
    }

    wlogprint("Ultratune Finished.  Write down the above values then press any key.\n");
    input = getch();
  } else {
    clear_logwin();
    return;
  }
  cgsleep_ms(1000);
  goto updated;
}
#endif

static void free_adl(void)
{
  ADL_Main_Memory_Free ((void **)&lpInfo);
  ADL_Main_Control_Destroy ();
#if defined (UNIX)
  dlclose(hDLL);
#else
  FreeLibrary(hDLL);
#endif
}

void clear_adl(int nDevs)
{
  struct gpu_adl *ga;
  int i;

  if (!adl_active)
    return;

  lock_adl();
  /* Try to reset values to their defaults */
  for (i = 0; i < nDevs; i++) {
    ga = &gpus[i].adl;
    /*  Only reset the values if we've changed them at any time */
    if (!gpus[i].has_adl || !ga->managed || !ga->DefPerfLev)
      continue;
    ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, ga->DefPerfLev);
    free(ga->DefPerfLev);
    if (ga->def_fan_valid)
      ADL_Overdrive5_FanSpeed_Set(ga->iAdapterIndex, 0, &ga->DefFanSpeedValue);
    ADL_Overdrive5_FanSpeedToDefault_Set(ga->iAdapterIndex, 0);
  }
  adl_active = false;
  unlock_adl();
  free_adl();
}
#endif /* HAVE_ADL */