2023-02-27 16:30:37

by Chris Morgan

[permalink] [raw]
Subject: [PATCH 2/3 V3] Bluetooth: hci_h5: btrtl: Add support for RTL8821CS

From: Chris Morgan <[email protected]>

RTL8821CS is a WiFi + Bluetooth combo chip from Realtek that provides
WiFi A/B/G/N/AC over an SDIO interface and Bluetooth 4.2 over a UART
interface.

Note that the firmware this was tested with was firmware version
0x75b8f098.

Signed-off-by: Chris Morgan <[email protected]>
---
drivers/bluetooth/btrtl.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 69c3fe649ca7..72947d319fa6 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -128,6 +128,14 @@ static const struct id_table ic_id_table[] = {
.fw_name = "rtl_bt/rtl8821c_fw.bin",
.cfg_name = "rtl_bt/rtl8821c_config" },

+ /* 8821CS */
+ { IC_INFO(RTL_ROM_LMP_8821A, 0xc, 0x8, HCI_UART),
+ .config_needed = true,
+ .has_rom_version = true,
+ .has_msft_ext = true,
+ .fw_name = "rtl_bt/rtl8821cs_fw.bin",
+ .cfg_name = "rtl_bt/rtl8821cs_config" },
+
/* 8761A */
{ IC_INFO(RTL_ROM_LMP_8761A, 0xa, 0x6, HCI_USB),
.config_needed = false,
--
2.34.1