diff options
Diffstat (limited to 'package/mac80211/patches/309-rt2x00-Add-powersaving-support-rt2800usb.patch')
| -rw-r--r-- | package/mac80211/patches/309-rt2x00-Add-powersaving-support-rt2800usb.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/package/mac80211/patches/309-rt2x00-Add-powersaving-support-rt2800usb.patch b/package/mac80211/patches/309-rt2x00-Add-powersaving-support-rt2800usb.patch new file mode 100644 index 0000000000..2b7dcc7b9b --- /dev/null +++ b/package/mac80211/patches/309-rt2x00-Add-powersaving-support-rt2800usb.patch @@ -0,0 +1,69 @@ +From fa9b7fc2e662e086a7c0e045e541f773bf34c555 Mon Sep 17 00:00:00 2001 +From: Ivo van Doorn <IvDoorn@gmail.com> +Date: Sat, 10 Jan 2009 14:31:00 +0100 +Subject: [PATCH] rt2x00: Add powersaving support (rt2800usb) + +Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> +--- + drivers/net/wireless/rt2x00/rt2800usb.c | 36 ++++++++++++++++++++++++++++++- + 1 files changed, 35 insertions(+), 1 deletions(-) + +--- a/drivers/net/wireless/rt2x00/rt2800usb.c ++++ b/drivers/net/wireless/rt2x00/rt2800usb.c +@@ -860,6 +860,36 @@ static void rt2800usb_config_duration(st + rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg); + } + ++static void rt2800usb_config_ps(struct rt2x00_dev *rt2x00dev, ++ struct rt2x00lib_conf *libconf) ++{ ++ enum dev_state state = ++ (libconf->conf->flags & IEEE80211_CONF_PS) ? ++ STATE_SLEEP : STATE_AWAKE; ++ u32 reg; ++ ++ if (state == STATE_SLEEP) { ++ rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0); ++ ++ rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, ®); ++ rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5); ++ rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, ++ libconf->conf->listen_interval - 1); ++ rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 1); ++ rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); ++ ++ rt2800usb_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 0); ++ } else { ++ rt2800usb_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0); ++ ++ rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, ®); ++ rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0); ++ rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0); ++ rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 0); ++ rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); ++ } ++} ++ + static void rt2800usb_config(struct rt2x00_dev *rt2x00dev, + struct rt2x00lib_conf *libconf, + const unsigned int flags) +@@ -876,6 +906,8 @@ static void rt2800usb_config(struct rt2x + rt2800usb_config_retry_limit(rt2x00dev, libconf); + if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL) + rt2800usb_config_duration(rt2x00dev, libconf); ++ if (flags & IEEE80211_CONF_CHANGE_PS) ++ rt2800usb_config_ps(rt2x00dev, libconf); + } + + /* +@@ -2112,7 +2144,9 @@ static int rt2800usb_probe_hw_mode(struc + */ + rt2x00dev->hw->flags = + IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | +- IEEE80211_HW_SIGNAL_DBM; ++ IEEE80211_HW_SIGNAL_DBM | ++ IEEE80211_HW_SUPPORTS_PS | ++ IEEE80211_HW_PS_NULLFUNC_STACK; + rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE + TXINFO_DESC_SIZE; + + SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); |