immortalwrt/package/kernel/mac80211/patches/rtl/002-wifi-rtw88-8821c-enable-BT-device-recovery-mechanism.patch
Tianling Shen c79ffb6839
mac80211: refresh patches
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
2024-07-12 13:07:27 +08:00

101 lines
3.5 KiB
Diff

From 91759247856dc65b69f71812a0903f59680f9890 Mon Sep 17 00:00:00 2001
From: Ping-Ke Shih <pkshih@realtek.com>
Date: Mon, 28 Nov 2022 15:56:53 +0800
Subject: [PATCH 02/13] wifi: rtw88: 8821c: enable BT device recovery mechanism
8821ce is a combo card, and BT is a USB device that could get card lost
during stress test, and need WiFi firmware to detect and recover it, so
driver sends a H2C to enable this mechanism.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221128075653.5221-1-pkshih@realtek.com
---
drivers/net/wireless/realtek/rtw88/fw.c | 10 ++++++++++
drivers/net/wireless/realtek/rtw88/fw.h | 6 ++++++
drivers/net/wireless/realtek/rtw88/mac.c | 18 +++++++++++++++++-
3 files changed, 33 insertions(+), 1 deletion(-)
--- a/drivers/net/wireless/realtek/rtw88/fw.c
+++ b/drivers/net/wireless/realtek/rtw88/fw.c
@@ -822,6 +822,16 @@ void rtw_fw_set_nlo_info(struct rtw_dev
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
+void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV);
+ SET_RECOVER_BT_DEV_EN(h2c_pkt, 1);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
void rtw_fw_set_pg_info(struct rtw_dev *rtwdev)
{
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
--- a/drivers/net/wireless/realtek/rtw88/fw.h
+++ b/drivers/net/wireless/realtek/rtw88/fw.h
@@ -555,6 +555,8 @@ static inline void rtw_h2c_pkt_set_heade
#define H2C_CMD_AOAC_GLOBAL_INFO 0x82
#define H2C_CMD_NLO_INFO 0x8C
+#define H2C_CMD_RECOVER_BT_DEV 0xD1
+
#define SET_H2C_CMD_ID_CLASS(h2c_pkt, value) \
le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, GENMASK(7, 0))
@@ -754,6 +756,9 @@ static inline void rtw_h2c_pkt_set_heade
#define SET_NLO_LOC_NLO_INFO(h2c_pkt, value) \
le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, GENMASK(23, 16))
+#define SET_RECOVER_BT_DEV_EN(h2c_pkt, value) \
+ le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, BIT(8))
+
#define GET_FW_DUMP_LEN(_header) \
le32_get_bits(*((__le32 *)(_header) + 0x00), GENMASK(15, 0))
#define GET_FW_DUMP_SEQ(_header) \
@@ -843,6 +848,7 @@ void rtw_fw_set_aoac_global_info_cmd(str
u8 group_key_enc);
void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable);
+void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev);
void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev,
struct cfg80211_ssid *ssid);
void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable);
--- a/drivers/net/wireless/realtek/rtw88/mac.c
+++ b/drivers/net/wireless/realtek/rtw88/mac.c
@@ -918,7 +918,8 @@ out:
return ret;
}
-int rtw_download_firmware(struct rtw_dev *rtwdev, struct rtw_fw_state *fw)
+static
+int _rtw_download_firmware(struct rtw_dev *rtwdev, struct rtw_fw_state *fw)
{
if (rtw_chip_wcpu_11n(rtwdev))
return __rtw_download_firmware_legacy(rtwdev, fw);
@@ -926,6 +927,21 @@ int rtw_download_firmware(struct rtw_dev
return __rtw_download_firmware(rtwdev, fw);
}
+int rtw_download_firmware(struct rtw_dev *rtwdev, struct rtw_fw_state *fw)
+{
+ int ret;
+
+ ret = _rtw_download_firmware(rtwdev, fw);
+ if (ret)
+ return ret;
+
+ if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE &&
+ rtwdev->chip->id == RTW_CHIP_TYPE_8821C)
+ rtw_fw_set_recover_bt_device(rtwdev);
+
+ return 0;
+}
+
static u32 get_priority_queues(struct rtw_dev *rtwdev, u32 queues)
{
const struct rtw_rqpn *rqpn = rtwdev->fifo.rqpn;