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QCA WCN36x0 WLAN Power Optimization Guide

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Author(s): Qualcomm Technologies Inc.
Edition: 80-Y0513-3 Rev. F
Publisher: Qualcomm Technologies Inc.
Year: 2013

Language: English
Commentary: decrypted from ECBD51C0269661488B40161455B29F8F source file
Pages: 84
City: San Diego, CA

QCA WCN36x0 WLAN Power Optimization Guide
Confidential and Proprietary - Qualcomm Atheros, Inc.
Revision History
Table of Contents
WCN-SS Power Rails and Headswitches
WCN36x0 Clock
WCN-SS HW – Power Rails
RAM Leakage Reduction Modes
WCN-SS HW – GDHS and RAM Supply Rails
WCN-SS HW – Clocks
WCN-SS HW – Timers
WCN36x0 Power Management
Power Management SW Architecture
SW Component Hierarchy for Power Save
Power Manager
cCPU Clock Scaling
SVS Support
ARM9 Clock Gating and Power Collapse with VDD MIN
Core BSP Resources Required
Wakeup Sequence - BT Scheduled Activity
Enter Sleep Sequence
Exit Sleep Sequence
WLAN Power Save Mode (BMPS and IMPS)
Android Power Save Mode
Power Management Control
PMC Services
Power-Save FW
WCNSS Configuration Guide
BMPS
BMPS (Beacon Mode Power Save)
BMPS Listen Interval Negotiation
BMPS Sequence
Beacon Early Termination (BET)
Beacon Miss Detection
IMPS
IMPS (Idle Mode Power Save)
IMPS (cont.)
IMPS Sequence in Host
IMPS Sequence in WCNSS
Testing
Packet Filtering and ARP Offload
Packet Filtering and ARP Offload
ARP Offload and Packet Filtering during Concurrency
Packet Filtering and ARP Offload – Config Params
Packet Filtering and ARP Offload - IOCTLs
IOCTL - WLAN_PRIV_SET_HOST_OFFLOAD
IOCTL - WLAN_SET_PACKET_FILTER_PARAMS
IOCTL - WLAN_SET_PACKET_FILTER_PARAMS - Test with iwpriv
Driver Implementation
Packet Filtering and ARP Offload – Driver Implementation
Call Graph - ARP Offload (config param)
Call Graph - ARP Offload (IOCTL)
Call Graph - MC/BC Packet Filtering (Config Param)
Call Graph - MC/BC Packet Filtering (IOCTL)
Call Graph - Packet Filter ALL and allow only from Registered Addresses
Call Graph - Packet Filtering Based on Set Rules (IOCTL)
Preferred Network Offloading (PNO)
PNO
Host-Affected Components
PNO Parameters
PNO Command Line Test
Integrate PNO in Android
MSM8974 WCN-SS Power Optimizations
Power Management Changes for MSM8974 WCN-SS
SPM (Subsystem Power Manager) Updates for MSM8974 WCN-SS
cMEM (additional 64KB) Updates for MSM8974 WCN-SS
uBSP in Low-Power Mode for MSM8974 WCN-SS
WLAN/BT Low-Power Mode for MSM8974 WCN-SS
References
Questions?