diff options
author | Chin-Yen Lee <timlee@realtek.com> | 2019-12-19 11:58:14 +0300 |
---|---|---|
committer | Kalle Valo <kvalo@codeaurora.org> | 2020-01-26 18:37:03 +0300 |
commit | 44bc17f7f5b3b2cc4084eba6307ba750078a8a73 (patch) | |
tree | 7fad94a87b5cf9731c74ac65abacbf8dcd0c0ac3 /drivers/net/wireless/realtek/rtw88/rtw8822c.c | |
parent | c8e5695eae9959fc5774c0f490f2450be8bad3de (diff) | |
download | linux-44bc17f7f5b3b2cc4084eba6307ba750078a8a73.tar.xz |
rtw88: support wowlan feature for 8822c
Wake on WLAN(wowlan) is a feature which allows devices
to be woken up from suspend state through wlan events.
When user enables wowlan feature and then let the device
enter suspend state, wowlan firmware will be loaded by
the driver and periodically monitors wifi packets.
Power consumption of wifi chip will be reduced in this
state.
If wowlan firmware detects that specific wlan event
happens, it will issue wakeup signal to trigger resume
process. Driver will load normal firmware and let wifi
chip return to the original state.
Currently supported wlan events include receiving magic packet,
rekey packet and deauth packet, and disconnecting from AP.
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8822c.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8822c.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index 174029836833..e10fe672f79c 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -4060,6 +4060,13 @@ static const struct rtw_pwr_track_tbl rtw8822c_rtw_pwr_track_tbl = { .pwrtrk_2g_ccka_p = rtw8822c_pwrtrk_2g_cck_a_p, }; +#ifdef CONFIG_PM +static const struct wiphy_wowlan_support rtw_wowlan_stub_8822c = { + .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_GTK_REKEY_FAILURE | + WIPHY_WOWLAN_DISCONNECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY, +}; +#endif + struct rtw_chip_info rtw8822c_hw_spec = { .ops = &rtw8822c_ops, .id = RTW_CHIP_TYPE_8822C, @@ -4106,6 +4113,10 @@ struct rtw_chip_info rtw8822c_hw_spec = { .bfer_su_max_num = 2, .bfer_mu_max_num = 1, +#ifdef CONFIG_PM + .wow_fw_name = "rtw88/rtw8822c_wow_fw.bin", + .wowlan_stub = &rtw_wowlan_stub_8822c, +#endif .coex_para_ver = 0x19062706, .bt_desired_ver = 0x6, .scbd_support = true, @@ -4135,3 +4146,4 @@ struct rtw_chip_info rtw8822c_hw_spec = { EXPORT_SYMBOL(rtw8822c_hw_spec); MODULE_FIRMWARE("rtw88/rtw8822c_fw.bin"); +MODULE_FIRMWARE("rtw88/rtw8822c_wow_fw.bin"); |