From: Max Chou <max.chou@realtek.com>
Date: Mon, 14 Mar 2022 14:54:22 +0800
Subject: Bluetooth: btrtl: Add support for RTL8852B
Patch-mainline: v5.18-rc1
Git-commit: 18e8055c88142d8f6e23ebdc38c126ec37844e5d
References: jsc#PED-1407

Add the support for RTL8852B BT controller on USB interface.
The necessary firmware file will be submitted to linux-firmware.

Signed-off-by: Max Chou <max.chou@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
 drivers/bluetooth/btrtl.c |   13 +++++++++++++
 1 file changed, 13 insertions(+)

--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -49,6 +49,7 @@ enum btrtl_chip_id {
 	CHIP_ID_8822C = 13,
 	CHIP_ID_8761B,
 	CHIP_ID_8852A = 18,
+	CHIP_ID_8852B = 20,
 };
 
 struct id_table {
@@ -187,6 +188,14 @@ static const struct id_table ic_id_table
 	  .has_msft_ext = true,
 	  .fw_name  = "rtl_bt/rtl8852au_fw.bin",
 	  .cfg_name = "rtl_bt/rtl8852au_config" },
+
+	/* 8852B */
+	{ IC_INFO(RTL_ROM_LMP_8852A, 0xb, 0xb, HCI_USB),
+	  .config_needed = false,
+	  .has_rom_version = true,
+	  .has_msft_ext = true,
+	  .fw_name  = "rtl_bt/rtl8852bu_fw.bin",
+	  .cfg_name = "rtl_bt/rtl8852bu_config" },
 	};
 
 static const struct id_table *btrtl_match_ic(u16 lmp_subver, u16 hci_rev,
@@ -295,6 +304,7 @@ static int rtlbt_parse_firmware(struct h
 		{ RTL_ROM_LMP_8822B, 13 },	/* 8822C */
 		{ RTL_ROM_LMP_8761A, 14 },	/* 8761B */
 		{ RTL_ROM_LMP_8852A, 18 },	/* 8852A */
+		{ RTL_ROM_LMP_8852A, 20 },	/* 8852B */
 	};
 
 	min_size = sizeof(struct rtl_epatch_header) + sizeof(extension_sig) + 3;
@@ -757,6 +767,7 @@ void btrtl_set_quirks(struct hci_dev *hd
 	switch (btrtl_dev->project_id) {
 	case CHIP_ID_8822C:
 	case CHIP_ID_8852A:
+	case CHIP_ID_8852B:
 		set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
 		set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
 		hci_set_aosp_capable(hdev);
@@ -934,3 +945,5 @@ MODULE_FIRMWARE("rtl_bt/rtl8822b_fw.bin"
 MODULE_FIRMWARE("rtl_bt/rtl8822b_config.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852au_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852au_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8852bu_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8852bu_config.bin");