Sony/Qualcomm device subsystems

Small glossary
  • lpass = Low-Power Audio SubSystem
  • mpss = audio memory stuff for adsp (mpa and mpss are the addresses for venus/adsp hexagon stuff)
  • kgsl = adreno, kernel graphics support layer
  • cdsp is the term for adsp on newer snapdragon processors https://developer.qualcomm.com/docs/snpe/overview.html (sdm835 has adsp, 845 and 855 have cdsp)
  • SLPI = Sensor Low Power Interface (?)
  • mpm = Modem Power Manager
  • BIMC = Bus Interface Memory Controller
  • QRTR = Qualcomm’s IPC router for QMI comms

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