diff options
| author | Yan-Hsuan Chuang <yhchuang@realtek.com> | 2017-04-03 13:41:42 -0500 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2017-04-05 15:53:30 +0300 |
| commit | 495d36e66814e77c4ef8ef9711f3d4c358ef0902 (patch) | |
| tree | 581d71979f6fc16c39b7a81b2deb4c6ae9323d7a /drivers/net/wireless | |
| parent | a66a4176b74cfbcfc91b7c0b303d480226da125a (diff) | |
rtlwifi: btcoex: 23b 2ant: new fw use h2c to control GNT_BT
Earlier versions of the FW did not support h2c to set GNT_BT, but later
versions have that capability. Hence we check the FW version and decide
whether to use h2c or just write to the register.
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Pkshih <pkshih@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c index fb72bcd4090c..988f276531dd 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c @@ -1065,8 +1065,14 @@ static void btc8723b2ant_set_ant_path(struct btc_coexist *btcoexist, btcoexist->btc_write_1byte(btcoexist, 0x930, 0x77); btcoexist->btc_write_1byte_bitmask(btcoexist, 0x67, 0x20, 0x1); - /* Force GNT_BT to low */ - btcoexist->btc_write_1byte_bitmask(btcoexist, 0x765, 0x18, 0x0); + if (fw_ver >= 0x180000) { + /* Use H2C to set GNT_BT to High to avoid A2DP click */ + h2c_parameter[0] = 1; + btcoexist->btc_fill_h2c(btcoexist, 0x6E, 1, + h2c_parameter); + } else { + btcoexist->btc_write_1byte(btcoexist, 0x765, 0x18); + } if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT) { /* tell firmware "no antenna inverse" */ @@ -1078,8 +1084,12 @@ static void btc8723b2ant_set_ant_path(struct btc_coexist *btcoexist, } else { /* tell firmware "antenna inverse" */ h2c_parameter[0] = 1; - h2c_parameter[1] = 1; /* ext switch type */ - btcoexist->btc_fill_h2c(btcoexist, 0x65, 2, + } + } else { + if (fw_ver >= 0x180000) { + /* Use H2C to set GNT_BT to "Control by PTA"*/ + h2c_parameter[0] = 0; + btcoexist->btc_fill_h2c(btcoexist, 0x6E, 1, h2c_parameter); btcoexist->btc_write_2byte(btcoexist, 0x948, 0x280); } @@ -2370,12 +2380,23 @@ static void btc8723b2ant_run_coexist_mechanism(struct btc_coexist *btcoexist) static void btc8723b2ant_wifioff_hwcfg(struct btc_coexist *btcoexist) { + u8 h2c_parameter[2] = {0}; + u32 fw_ver = 0; + /* set wlan_act to low */ btcoexist->btc_write_1byte(btcoexist, 0x76e, 0x4); - /* Force GNT_BT to High */ - btcoexist->btc_write_1byte_bitmask(btcoexist, 0x765, 0x18, 0x3); - /* BT select s0/s1 is controlled by BT */ - btcoexist->btc_write_1byte_bitmask(btcoexist, 0x67, 0x20, 0x0); + + /* WiFi standby while GNT_BT 0 -> 1 */ + btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x780); + + btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_FW_VER, &fw_ver); + if (fw_ver >= 0x180000) { + /* Use H2C to set GNT_BT to HIGH */ + h2c_parameter[0] = 1; + btcoexist->btc_fill_h2c(btcoexist, 0x6E, 1, h2c_parameter); + } else { + btcoexist->btc_write_1byte(btcoexist, 0x765, 0x18); + } } /********************************************************************* |