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rtlwifi: btcoex: 21a 2ant: settings before wifi firmware is ready

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Before firmware is ready, set GNT_BT to high to let bt transmit.

Routine ex_btc8821a2ant_pre_load_firmware() restored.

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 2017-05-11 14:01:13 -05:00 committed by Kalle Valo
parent be04040108
commit 4a279c2b73
1 changed files with 37 additions and 0 deletions
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37
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
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@ -3609,6 +3609,43 @@ void ex_btc8821a2ant_init_hwconfig(struct btc_coexist *btcoexist)
btcoexist->btc_write_1byte_bitmask(btcoexist, 0x40, 0x20, 0x1);
}
void ex_btc8821a2ant_pre_load_firmware(struct btc_coexist *btcoexist)
{
struct btc_board_info *board_info = &btcoexist->board_info;
u8 u8tmp = 0x4; /* Set BIT2 by default since it's 2ant case */
/**
* S0 or S1 setting and Local register setting(By the setting fw can get
* ant number, S0/S1, ... info)
*
* Local setting bit define
* BIT0: "0" for no antenna inverse; "1" for antenna inverse
* BIT1: "0" for internal switch; "1" for external switch
* BIT2: "0" for one antenna; "1" for two antenna
* NOTE: here default all internal switch and 1-antenna ==> BIT1=0 and
* BIT2=0
*/
if (btcoexist->chip_interface == BTC_INTF_USB) {
/* fixed at S0 for USB interface */
u8tmp |= 0x1; /* antenna inverse */
btcoexist->btc_write_local_reg_1byte(btcoexist, 0xfe08, u8tmp);
} else {
/* for PCIE and SDIO interface, we check efuse 0xc3[6] */
if (board_info->single_ant_path == 0) {
} else if (board_info->single_ant_path == 1) {
/* set to S0 */
u8tmp |= 0x1; /* antenna inverse */
}
if (btcoexist->chip_interface == BTC_INTF_PCI)
btcoexist->btc_write_local_reg_1byte(btcoexist, 0x384,
u8tmp);
else if (btcoexist->chip_interface == BTC_INTF_SDIO)
btcoexist->btc_write_local_reg_1byte(btcoexist, 0x60,
u8tmp);
}
}
void ex_btc8821a2ant_init_coex_dm(struct btc_coexist *btcoexist)
{
struct rtl_priv *rtlpriv = btcoexist->adapter;