atitweak

#!/usr/bin/python
# Copyright (C) 2011 by Mark Visser <mjmvisser@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

import os, sys
from optparse import OptionParser
from adl3 import *
import collections

class ADLError(Exception):
    pass

adapters = []

def initialize():
    # check for unset DISPLAY, assume :0
    if "DISPLAY" not in os.environ:
        os.environ["DISPLAY"] = ":0"
    
    # the '1' means only retrieve info for active adapters
    if ADL_Main_Control_Create(ADL_Main_Memory_Alloc, 1) != ADL_OK:
        raise ADLError("Couldn't initialize ADL interface.")

def shutdown():
    if ADL_Main_Control_Destroy() != ADL_OK:
        raise ADLError("Couldn't destroy ADL interface global pointers.")

def get_adapter_info():
    adapter_info = []
    num_adapters = c_int(-1)
    if ADL_Adapter_NumberOfAdapters_Get(byref(num_adapters)) != ADL_OK:
        raise ADLError("ADL_Adapter_NumberOfAdapters_Get failed.")

    # allocate an array of AdapterInfo, see ctypes docs for more info
    AdapterInfoArray = (AdapterInfo * num_adapters.value)() 
    
    # AdapterInfo_Get grabs info for ALL adapters in the system
    if ADL_Adapter_AdapterInfo_Get(cast(AdapterInfoArray, LPAdapterInfo), sizeof(AdapterInfoArray)) != ADL_OK:
        raise ADLError("ADL_Adapter_AdapterInfo_Get failed.")

    deviceAdapter = collections.namedtuple('DeviceAdapter', ['AdapterIndex', 'AdapterID', 'BusNumber', 'UDID'])
    devices = []
    
    for adapter in AdapterInfoArray:
        index = adapter.iAdapterIndex
        busNum = adapter.iBusNumber
        udid = adapter.strUDID
        
        adapterID = c_int(-1)
        #status = c_int(-1)
        
        if ADL_Adapter_ID_Get(index, byref(adapterID)) != ADL_OK:
            raise ADLError("ADL_Adapter_Active_Get failed.")
        
        found = False
        for device in devices:
            if (device.AdapterID.value == adapterID.value):
                found = True
                break
        
        # save it in our list if it's the first controller of the adapter
        if (found == False):
            devices.append(deviceAdapter(index,adapterID,busNum,udid))
    
    for device in devices:
        adapter_info.append(AdapterInfoArray[device.AdapterIndex])
    
    return adapter_info

def list_adapters(adapter_list=None):
    adapter_info = get_adapter_info()
    
    for index, info in enumerate(adapter_info):
        if adapter_list is None or index in adapter_list:
            print "%d. %s (%s)" % (index, info.strAdapterName, info.strDisplayName)
            
            od_parameters = ADLODParameters()
            od_parameters.iSize = sizeof(od_parameters)
            
            if ADL_Overdrive5_ODParameters_Get(info.iAdapterIndex, byref(od_parameters)) != ADL_OK:
                raise ADLError("ADL_Overdrive5_ODParameters_Get failed.")
                
            print "    engine clock range is %g - %gMHz" % (od_parameters.sEngineClock.iMin/100.0,od_parameters.sEngineClock.iMax/100.0)
            print "    memory clock range is %g - %gMHz" % (od_parameters.sMemoryClock.iMin/100.0, od_parameters.sMemoryClock.iMax/100.0)
            print "    core voltage range is %g - %gVDC" % (od_parameters.sVddc.iMin/1000.0, od_parameters.sVddc.iMax/1000.0)
    
            if od_parameters.iDiscretePerformanceLevels:
                plevels = ADLODPerformanceLevels()
                plevels_size = sizeof(ADLODPerformanceLevels) + sizeof(ADLODPerformanceLevel) * (od_parameters.iNumberOfPerformanceLevels -1)
                resize(plevels, plevels_size)
                plevels.iSize = plevels_size
        
                if ADL_Overdrive5_ODPerformanceLevels_Get(info.iAdapterIndex, 0, byref(plevels)) != ADL_OK:
                    raise ADLError("ADL_Overdrive5_ODPerformanceLevels_Get failed.")
        
                levels = cast(plevels.aLevels, POINTER(ADLODPerformanceLevel))
        
                for index in range(0, od_parameters.iNumberOfPerformanceLevels):
                    print "    performance level %d: engine clock %gMHz, memory clock %gMHz, core voltage %gVDC" % (index,
                                                                                                                levels[index].iEngineClock/100.0,
                                                                                                                levels[index].iMemoryClock/100.0,
                                                                                                                levels[index].iVddc/1000.0)

            fan_speed_info = ADLFanSpeedInfo()
            fan_speed_info.iSize = sizeof(fan_speed_info)
    
            if ADL_Overdrive5_FanSpeedInfo_Get(info.iAdapterIndex, 0, byref(fan_speed_info)) != ADL_OK:
                raise ADLError("ADL_Overdrive5_FanSpeedInfo_Get failed.")
            
            print "    fan speed range: %d - %d%%,  %d - %d RPM" % (fan_speed_info.iMinPercent, fan_speed_info.iMaxPercent, 
                                                                    fan_speed_info.iMinRPM, fan_speed_info.iMaxRPM)


            
def show_status(adapter_list=None):
    adapter_info = get_adapter_info()
    
    for index, info in enumerate(adapter_info):
        if adapter_list is None or index in adapter_list:
            print "%d. %s (%s)" % (index, info.strAdapterName, info.strDisplayName)

            activity = ADLPMActivity()
            activity.iSize = sizeof(activity)
            
            if ADL_Overdrive5_CurrentActivity_Get(info.iAdapterIndex, byref(activity)) != ADL_OK:
                raise ADLError("ADL_Overdrive5_CurrentActivity_Get failed.")
            
            print ("    engine clock %gMHz, memory clock %gMHz, core voltage %gVDC, performance level %d, utilization %d%%" % 
                        (activity.iEngineClock/100.0, activity.iMemoryClock/100.0, activity.iVddc/1000.0,
                         activity.iCurrentPerformanceLevel, activity.iActivityPercent))
                
            fan_speed = {}
            for speed_type in (ADL_DL_FANCTRL_SPEED_TYPE_PERCENT, ADL_DL_FANCTRL_SPEED_TYPE_RPM):    
                fan_speed_value = ADLFanSpeedValue()
                fan_speed_value.iSize = sizeof(fan_speed_value)
                fan_speed_value.iSpeedType = speed_type
        
                if ADL_Overdrive5_FanSpeed_Get(info.iAdapterIndex, 0, byref(fan_speed_value)) != ADL_OK:
                    fan_speed[speed_type] = None
                    continue
            
                fan_speed[speed_type] = fan_speed_value.iFanSpeed
                user_defined = fan_speed_value.iFlags & ADL_DL_FANCTRL_FLAG_USER_DEFINED_SPEED
        
            if bool(fan_speed[ADL_DL_FANCTRL_SPEED_TYPE_PERCENT]) and bool(fan_speed[ADL_DL_FANCTRL_SPEED_TYPE_RPM]):
                print "    fan speed %d%% (%d RPM) (%s)" % (fan_speed[ADL_DL_FANCTRL_SPEED_TYPE_PERCENT],
                                                            fan_speed[ADL_DL_FANCTRL_SPEED_TYPE_RPM],
                                                            "user-defined" if user_defined else "default")
            elif bool(fan_speed[ADL_DL_FANCTRL_SPEED_TYPE_PERCENT]):
                print "    fan speed %d%% (%s)" % (fan_speed[ADL_DL_FANCTRL_SPEED_TYPE_PERCENT],
                                                   "user-defined" if user_defined else "default")                
            elif bool(fan_speed[ADL_DL_FANCTRL_SPEED_TYPE_RPM]) is True:
                print "    fan speed %d RPM (%s)" % (fan_speed[ADL_DL_FANCTRL_SPEED_TYPE_RPM],
                                                     "user-defined" if user_defined else "default")
            else:
                print "    unable to get fan speed"
                
            temperature = ADLTemperature()
            temperature.iSize = sizeof(temperature)
                
            if ADL_Overdrive5_Temperature_Get(info.iAdapterIndex, 0, byref(temperature)) != ADL_OK:
                raise ADLError("ADL_Overdrive5_Temperature_Get failed.")
            
            print "    temperature %g C" % (temperature.iTemperature/1000.0)
            
            # Powertune level
            powertune_level_value = c_int()
            dummy = c_int()
            
            if ADL_Overdrive5_PowerControl_Get(info.iAdapterIndex, byref(powertune_level_value), byref(dummy)) != ADL_OK:
                raise ADLError("ADL_Overdrive5_PowerControl_Get failed.")

            print "    powertune %d%%" % (powertune_level_value.value)
            
            


def set_plevels(adapter_list=None,
                plevel_list=None,
                engine_clock=None,
                memory_clock=None,
                core_voltage=None):
    adapter_info = get_adapter_info()

    for adapter_index, info in enumerate(adapter_info):
        if adapter_list is None or adapter_index in adapter_list:
            od_parameters = ADLODParameters()
            od_parameters.iSize = sizeof(od_parameters)
            
            if ADL_Overdrive5_ODParameters_Get(info.iAdapterIndex, byref(od_parameters)) != ADL_OK:
                raise ADLError("ADL_Overdrive5_ODParameters_Get failed.")
                
            if od_parameters.iDiscretePerformanceLevels:
                plevels = ADLODPerformanceLevels()
                plevels_size = sizeof(ADLODPerformanceLevels) + sizeof(ADLODPerformanceLevel) * (od_parameters.iNumberOfPerformanceLevels -1)
                resize(plevels, plevels_size)
                plevels.iSize = plevels_size
        
                if ADL_Overdrive5_ODPerformanceLevels_Get(info.iAdapterIndex, 0, byref(plevels)) != ADL_OK:
                    raise ADLError("ADL_Overdrive5_ODPerformanceLevels_Get failed.")
        
                levels = cast(plevels.aLevels, POINTER(ADLODPerformanceLevel))
                
                for plevel_index in range(0, od_parameters.iNumberOfPerformanceLevels):
                    if plevel_list is None or plevel_index in plevel_list:
                        message = []
                        
                        if engine_clock is not None:
                            levels[plevel_index].iEngineClock = int(engine_clock*100.0)
                            message.append("engine clock %gMHz" % engine_clock)
                        if memory_clock is not None:
                            levels[plevel_index].iMemoryClock = int(memory_clock*100.0)
                            message.append("memory clock %gMHz" % memory_clock)
                        if core_voltage is not None:
                            levels[plevel_index].iVddc = int(core_voltage*1000.0)
                            message.append("core voltage %gVDC" % core_voltage)
                        
                        print "Setting performance level %d on adapter %d: %s" % (plevel_index,
                                                                                  adapter_index,
                                                                                  ", ".join(message))
                        
                # set the performance levels for this adapter            
                if ADL_Overdrive5_ODPerformanceLevels_Set(info.iAdapterIndex, byref(plevels)) != ADL_OK:
                    raise ADLError("ADL_Overdrive5_ODPerformanceLevels_Set failed.")
                
            else:
                print "Adapter %d does not support discrete performance levels." % adapter_index

def set_fan_speed(adapter_list=None,
                  fan_speed=None):    
    adapter_info = get_adapter_info()

    for adapter_index, info in enumerate(adapter_info):
        if adapter_list is None or adapter_index in adapter_list:
            if fan_speed == "default":
                print "Setting fan speed to default on adapter %d" % (adapter_index)
                if ADL_Overdrive5_FanSpeedToDefault_Set(info.iAdapterIndex, 0) != ADL_OK:
                    raise ADLError("ADL_Overdrive5_FanSpeedToDefault_Set failed.")
            else:
                fan_speed_value = ADLFanSpeedValue()
                fan_speed_value.iSize = sizeof(fan_speed_value)
                fan_speed_value.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_PERCENT
                fan_speed_value.iFanSpeed = fan_speed
                fan_speed_value.iFlags = ADL_DL_FANCTRL_FLAG_USER_DEFINED_SPEED

                print "Setting fan speed to %d%% on adapter %d" % (fan_speed, adapter_index)
                if ADL_Overdrive5_FanSpeed_Set(info.iAdapterIndex, 0, byref(fan_speed_value)) != ADL_OK:
                    raise ADLError("ADL_Overdrive5_FanSpeed_Set failed.")

#def i2c_get_core_voltage(adapter_list=None):
#    adapter_info = get_adapter_info()
#    
#    for adapter_index, info in enumerate(adapter_info):
#        if adapter_list is None or adapter_index in adapter_list:
#            i2c_data = ADLI2C()
#            i2c_data.iSize = sizeof(i2c_data)
#            i2c_data.iLine = ADL_DL_I2C_LINE_OD_CONTROL
#            i2c_data.iAddress = 0x70 << 1
#            i2c_data.iOffset = 0x15 + 2
#            i2c_data.iAction = ADL_DL_I2C_ACTIONREAD
#            i2c_data.iSpeed = 10
#            i2c_data.iDataSize = 1
#            i2c_data.pcData = c_char_p("\0")
#            
#            if ADL_Display_WriteAndReadI2C(info.iAdapterIndex, byref(i2c_data)) != ADL_OK:
#                raise ADLError("ADL_DisplayWriteAndReadI2C failed.")
#            
#            print "Voltage: %g" % (0.450 + 0.0125 * (i2c_data.pcData[0] & 0x7f))
#        

def set_powertune_level(adapter_list=None,
                        powertune_level=None):    
    adapter_info = get_adapter_info()

    for adapter_index, info in enumerate(adapter_info):
        if adapter_list is None or adapter_index in adapter_list:
            print "Setting powertune level to %d%% on adapter %d" % (powertune_level, adapter_index)
            if ADL_Overdrive5_PowerControl_Set(info.iAdapterIndex, powertune_level) != ADL_OK:
                raise ADLError("ADL_Overdrive5_PowerControl_Set failed.")

if __name__ == "__main__":
    usage = "usage: %prog [options]"
    
    parser = OptionParser(usage=usage)
    
    parser.add_option("-l", "--list-adapters", dest="action", action="store_const", const="list_adapters",
                      help="Lists all detected and supported display adapters.")
    parser.add_option("-s", "--status", dest="action", action="store_const", const="status",
                      help="Shows current clock speeds, core voltage, utilization and performance level.")

    parser.add_option("-e", "--set-engine-clock", dest="engine_clock", type="float", action="store", default=None,
                      help="Sets engine clock speed (in MHz) for the selected performance levels on the " 
                           "selected adapters.")
    parser.add_option("-m", "--set-memory-clock", dest="memory_clock", type="float", action="store", default=None,
                      help="Sets memory clock speed (in MHz) for the selected peformance levels on the " 
                           "selected adapters.")
    parser.add_option("-v", "--set-core-voltage", dest="core_voltage", type="float", action="store", default=None,
                      help="Sets core voltage level (in VDC) for the selected performance levels on the "
                           "selected adapters.""")
    parser.add_option("-f", "--set-fan-speed", dest="fan_speed", type="int", action="store", default=None,
                      help="""Sets the fan speed (in percent) for the selected adapters.""")
    parser.add_option("-d", "--set-fan-speed-default", dest="fan_speed", action="store_const", const="default",
                      help="""Resets the fan speed to its default setting.""")
    
    parser.add_option("-A", "--adapter", dest="adapter_list", default="all", metavar="ADAPTERLIST",
                      help="Selects which adapters returned by --list-adapters should "
                           "be affected by other atitweak options.  ADAPTERLIST contains "
                           "either a comma-seperated sequence of the index numbers of the "
                           "adapters to be affected or else contains the keyword \"all\" to "
                           "select all the adapters. If --adapter is missing, all adapters "
                           "will be affected.")
    
    parser.add_option("-P", "--performance-level", dest="plevel", default="all", 
                      metavar="PERFORMANCELEVELLIST",
                      help="Selects which performance levels returned by --list-adapters should be "
                           "affected by other atitweak options. PERFORMANCELEVELLIST contains either "
                           "a comma-separated sequence of the index numbers of the performance levels "
                           "to be affected or else contains the keyword \"all\" to select all "
                           "performance levels. If --performance-level is missing, all performance "
                           "levels will be affected.")
    
    parser.add_option("-p", "--set-powertune", dest="powertune_level", type="int", action="store", default=None,
                      help="Sets powertune level (between -20% and 20%) for on the selected adapters.")
    
    (options, args) = parser.parse_args()

    if options.adapter_list == "all":
        adapter_list = None
    else:
        adapter_list = [int(adapter) for adapter in options.adapter_list.split(",")]

    if options.plevel == "all":
        plevel_list = None
    else:
        plevel_list = [int(plevel) for plevel in options.plevel.split(",")]

    result = 0
    
    try:
        initialize()
    
        if options.action == "list_adapters":
            list_adapters(adapter_list=adapter_list)
        elif options.action == "status":
            show_status(adapter_list=adapter_list)
        elif options.action is None and len(sys.argv) > 1:
            if options.engine_clock or options.memory_clock or options.core_voltage:
                set_plevels(adapter_list=adapter_list,
                            plevel_list=plevel_list,
                            engine_clock=options.engine_clock,
                            memory_clock=options.memory_clock,
                            core_voltage=options.core_voltage)
            if options.fan_speed:
                set_fan_speed(adapter_list=adapter_list,
                              fan_speed=options.fan_speed)
            if options.powertune_level:
                set_powertune_level(adapter_list=adapter_list,
                              powertune_level=options.powertune_level)
        else:
            parser.print_help()
    
    except ADLError, err:
        result = 1
        print err
        
    finally:        
        shutdown()
        
    sys.exit(result)