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rtlwifi: btcoex: 23b 2ant: power on settings for coex

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When power on, the wifi could be initiating, force the antenna to
transmit bt packets to avoid bt unstable problems

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>
This commit is contained in:
Yan-Hsuan Chuang 2017-04-06 15:19:53 -05:00 committed by Kalle Valo
parent 7558668d05
commit 4e6becc044
2 changed files with 32 additions and 0 deletions
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31
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c
View File

@ -3669,6 +3669,37 @@ void ex_btc8723b2ant_init_hwconfig(struct btc_coexist *btcoexist)
btcoexist->btc_write_1byte_bitmask(btcoexist, 0x40, 0x20, 0x1);
}
void ex_btc8723b2ant_power_on_setting(struct btc_coexist *btcoexist)
{
struct btc_board_info *board_info = &btcoexist->board_info;
u16 u16tmp = 0x0;
u32 value = 0;
btcoexist->btc_write_1byte(btcoexist, 0x67, 0x20);
/* enable BB, REG_SYS_FUNC_EN such that we can write 0x948 correctly */
u16tmp = btcoexist->btc_read_2byte(btcoexist, 0x2);
btcoexist->btc_write_2byte(btcoexist, 0x2, u16tmp | BIT0 | BIT1);
btcoexist->btc_write_4byte(btcoexist, 0x948, 0x0);
if (btcoexist->chip_interface == BTC_INTF_USB) {
/* fixed at S0 for USB interface */
board_info->btdm_ant_pos = BTC_ANTENNA_AT_AUX_PORT;
} else {
/* for PCIE and SDIO interface, we check efuse 0xc3[6] */
if (board_info->single_ant_path == 0) {
/* set to S1 */
board_info->btdm_ant_pos = BTC_ANTENNA_AT_MAIN_PORT;
} else if (board_info->single_ant_path == 1) {
/* set to S0 */
board_info->btdm_ant_pos = BTC_ANTENNA_AT_AUX_PORT;
}
btcoexist->btc_set(btcoexist, BTC_SET_ACT_ANTPOSREGRISTRY_CTRL,
&value);
}
}
void ex_btc8723b2ant_init_coex_dm(struct btc_coexist *btcoexist)
{
struct rtl_priv *rtlpriv = btcoexist->adapter;

1
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
View File

@ -139,6 +139,7 @@ struct btc_board_info {
u8 pg_ant_num; /* pg ant number */
u8 btdm_ant_num; /* ant number for btdm */
u8 btdm_ant_pos;
u8 single_ant_path; /* current used for 8723b only, 1=>s0, 0=>s1 */
bool bt_exist;
};