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rtlwifi: btcoex: 21a 2ant: fix PTA unstable problem when hw init

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In the hardware initialisation stage, the PTA circuits may be unstable,
so we reset it after 6 secs to fix the problem.

dis_ver_info_cnt is used to indicate the time after init, and we can set
PTA according to it.

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 14:01:18 -05:00 committed by Kalle Valo
parent a3b2ba8666
commit e7dc320333
2 changed files with 14 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
View File

@ -3598,6 +3598,7 @@ void ex_btc8821a2ant_init_hwconfig(struct btc_coexist *btcoexist)
/* Antenna config */
btc8821a2ant_set_ant_path(btcoexist, BTC_ANT_WIFI_AT_MAIN, true, false);
coex_sta->dis_ver_info_cnt = 0;
/* PTA parameter */
btc8821a2ant_coex_table_with_type(btcoexist, FORCE_EXEC, 0);
@ -4245,36 +4246,21 @@ void ex_btc8821a2ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state)
void ex_btc8821a2ant_periodical(struct btc_coexist *btcoexist)
{
struct rtl_priv *rtlpriv = btcoexist->adapter;
static u8 dis_ver_info_cnt;
struct btc_board_info *board_info = &btcoexist->board_info;
struct btc_stack_info *stack_info = &btcoexist->stack_info;
u32 fw_ver = 0, bt_patch_ver = 0;
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], ==========================Periodical===========================\n");
if (dis_ver_info_cnt <= 5) {
dis_ver_info_cnt += 1;
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], ****************************************************************\n");
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], Ant PG Num/ Ant Mech/ Ant Pos = %d/ %d/ %d\n",
board_info->pg_ant_num,
board_info->btdm_ant_num,
board_info->btdm_ant_pos);
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], BT stack/ hci ext ver = %s / %d\n",
stack_info->profile_notified ? "Yes" : "No",
stack_info->hci_version);
btcoexist->btc_get(btcoexist, BTC_GET_U4_BT_PATCH_VER,
&bt_patch_ver);
btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_FW_VER, &fw_ver);
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], CoexVer/ FwVer/ PatchVer = %d_%x/ 0x%x/ 0x%x(%d)\n",
glcoex_ver_date_8821a_2ant, glcoex_ver_8821a_2ant,
fw_ver, bt_patch_ver, bt_patch_ver);
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], ****************************************************************\n");
if (coex_sta->dis_ver_info_cnt <= 5) {
coex_sta->dis_ver_info_cnt += 1;
if (coex_sta->dis_ver_info_cnt == 3) {
/* Antenna config to set 0x765 = 0x0 (GNT_BT control by
* PTA) after initial
*/
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], Set GNT_BT control by PTA\n");
btc8821a2ant_set_ant_path(btcoexist,
BTC_ANT_WIFI_AT_MAIN, false, false);
}
}
if (btcoexist->auto_report_2ant) {

2
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.h
View File

@ -168,6 +168,8 @@ struct coex_sta_8821a_2ant {
u8 coex_table_type;
bool force_lps_on;
u8 dis_ver_info_cnt;
};
/*===========================================