113 lines
2.4 KiB
Python
113 lines
2.4 KiB
Python
from dataclasses import dataclass
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from typing import List
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u32 = int
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s32 = int
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@dataclass
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class DvbEntry:
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freq: u32
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volts: List[u32]
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old_dvb_table = [
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DvbEntry(204000, [637, 637, 637]),
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DvbEntry(1331200, [650, 637, 637]),
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DvbEntry(1600000, [675, 650, 637]),
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DvbEntry(1866000, [700, 675, 650]),
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DvbEntry(2133000, [725, 700, 675]),
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DvbEntry(2400000, [750, 725, 700]),
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DvbEntry(2666000, [775, 750, 725]),
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DvbEntry(2933000, [800, 775, 750]),
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DvbEntry(3200000, [800, 800, 775]),
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]
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new_dvb_table = [
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DvbEntry(204000, [637, 637, 637]),
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DvbEntry(1331200, [650, 637, 637]),
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DvbEntry(1600000, [675, 650, 637]),
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DvbEntry(1866000, [700, 675, 650]),
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DvbEntry(2133000, [725, 700, 675]),
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DvbEntry(2400000, [750, 725, 700]),
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DvbEntry(2666000, [850, 825, 800]),
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DvbEntry(2933000, [950, 925, 900]),
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DvbEntry(3200000, [1050, 1025, 1000]),
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]
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DVB_TABLE_SIZE = len(old_dvb_table)
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def print_and_scan(message: str) -> u32:
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return int(input(f"{message}: "))
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def get_process_id(speedo: u32) -> u32:
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if speedo <= 1597:
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return 0
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if speedo <= 1708:
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return 1
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# >= 1709
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return 2
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def get_voltage_and_index(
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dvb_shift: u32,
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emc: u32,
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process_id: u32,
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dvb_table: List[DvbEntry],
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):
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for i in range(DVB_TABLE_SIZE - 1):
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if emc < dvb_table[i].freq or emc >= dvb_table[i + 1].freq:
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continue
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voltage = dvb_table[i].volts[process_id] + (25 * dvb_shift)
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return voltage, i
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return 0, 0
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def get_shift(
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old_voltage: u32,
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process_id: u32,
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dvb_table: List[DvbEntry],
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index: u32,
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) -> s32:
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return (old_voltage - dvb_table[index].volts[process_id]) // 25
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def main():
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old_dvb = print_and_scan("Enter old dvb shift")
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emc_max_mhz = print_and_scan("Enter max ram freq (MHz)")
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speedo = print_and_scan("Enter soc speedo")
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emc_max_khz = emc_max_mhz * 1000
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process_id = get_process_id(speedo)
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old_voltage, table_index = get_voltage_and_index(
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old_dvb,
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emc_max_khz,
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process_id,
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old_dvb_table,
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)
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if old_voltage == 0 or table_index == 0:
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print("Invalid values!")
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return
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new_shift = get_shift(
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old_voltage,
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process_id,
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new_dvb_table,
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table_index,
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)
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print(f"New dvb table shift: {new_shift}")
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if __name__ == "__main__":
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main()
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