]> git.karo-electronics.de Git - linux-beck.git/commit
ath9k_hw: Add hardware code for WoW
authorMohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Tue, 10 Jul 2012 09:26:15 +0000 (14:56 +0530)
committerJohn W. Linville <linville@tuxdriver.com>
Thu, 12 Jul 2012 19:27:16 +0000 (15:27 -0400)
commit64875c63c9adf7b307ca4b9c1fdef735d7a1c0e8
treea12a4714a470131f471f339b2dc404b1d5dac827
parent3b604b6cf811ba14e4c2bb3005e29bb2fba77af0
ath9k_hw: Add hardware code for WoW

add a new file wow.c which takes care of the hardware code
for WoW.

*program the descriptors and data words to periodically
send Keep Alive Frames.
*program the user defined patterns/masks and pattern length
in the hardware registers.
*'ath9k_hw_wow_enable' is called during the drivers suspend
callback which takes care of the following
- tracking wow event mask (to suppress spurious
  wow events)
- properly configure suspend/resume WAR registers
- configure PCIE PM control register
- configure MAC WoW registers and their timeouts
- enabling wow configuration like magic packet,
  user patterns based on users configuration
- configuring timeouts for KAL, beacon miss,
  aifs, slot time, backoff
- create Keep Alive Pattern ('KAL')
*'ath9k_hw_wow_wakeup' is called during the drivers resume
callback which takes care of the following
- primary task is to find the reason for wakeup
  from the wow status register
- configure/restore AR_PCIE_PM_CTRL register
- clear all WoW events
- configure/restore suspend/resume WAR registers

Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com>
Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Cc: vadivel@qca.qualcomm.com
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/ath/ath9k/Makefile
drivers/net/wireless/ath/ath9k/hw.h
drivers/net/wireless/ath/ath9k/wow.c [new file with mode: 0644]