From: Max Chou <max.chou@xxxxxxxxxxx>
Add the support for RTL8922A BT controller on USB interface.
The necessary firmware will be submitted to linux-firmware project.
The device info from /sys/kernel/debug/usb/devices as below.
T: Bus=01 Lev=02 Prnt=02 Port=02 Cnt=01 Dev#= 3 Spd=12 MxCh= 0
D: Ver= 1.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0bda ProdID=8922 Rev= 0.00
S: Manufacturer=Realtek
S: Product=Bluetooth Radio
S: SerialNumber=00E04C885A01
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
I: If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms
Signed-off-by: Max Chou <max.chou@xxxxxxxxxxx>
---
change in v2:
- update device info for Driver field.
---
drivers/bluetooth/btrtl.c | 16 ++++++++++++++++
drivers/bluetooth/btusb.c | 11 +++++++++++
2 files changed, 27 insertions(+)
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index cc50de69e8dc..51a2d459cf6d 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -30,6 +30,7 @@
#define RTL_ROM_LMP_8822B 0x8822
#define RTL_ROM_LMP_8852A 0x8852
#define RTL_ROM_LMP_8851B 0x8851
+#define RTL_ROM_LMP_8922A 0x8922
#define RTL_CONFIG_MAGIC 0x8723ab55
#define RTL_VSC_OP_COREDUMP 0xfcff
@@ -69,6 +70,7 @@ enum btrtl_chip_id {
CHIP_ID_8852B = 20,
CHIP_ID_8852C = 25,
CHIP_ID_8851B = 36,
+ CHIP_ID_8922A = 44,
CHIP_ID_8852BT = 47,
};
@@ -309,6 +311,15 @@ static const struct id_table ic_id_table[] = {
.cfg_name = "rtl_bt/rtl8851bu_config",
.hw_info = "rtl8851bu" },
+ /* 8922A */
+ { IC_INFO(RTL_ROM_LMP_8922A, 0xa, 0xc, HCI_USB),
+ .config_needed = false,
+ .has_rom_version = true,
+ .has_msft_ext = true,
+ .fw_name = "rtl_bt/rtl8922au_fw",
+ .cfg_name = "rtl_bt/rtl8922au_config",
+ .hw_info = "rtl8922au" },
+
/* 8852BT/8852BE-VT */
{ IC_INFO(RTL_ROM_LMP_8852A, 0x87, 0xc, HCI_USB),
.config_needed = false,
@@ -655,6 +666,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
{ RTL_ROM_LMP_8852A, 20 }, /* 8852B */
{ RTL_ROM_LMP_8852A, 25 }, /* 8852C */
{ RTL_ROM_LMP_8851B, 36 }, /* 8851B */
+ { RTL_ROM_LMP_8922A, 44 }, /* 8922A */
{ RTL_ROM_LMP_8852A, 47 }, /* 8852BT */
};
@@ -1255,6 +1267,7 @@ int btrtl_download_firmware(struct hci_dev *hdev,
case RTL_ROM_LMP_8852A:
case RTL_ROM_LMP_8703B:
case RTL_ROM_LMP_8851B:
+ case RTL_ROM_LMP_8922A:
err = btrtl_setup_rtl8723b(hdev, btrtl_dev);
break;
default:
@@ -1286,6 +1299,7 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev)
case CHIP_ID_8852B:
case CHIP_ID_8852C:
case CHIP_ID_8851B:
+ case CHIP_ID_8922A:
case CHIP_ID_8852BT:
set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
@@ -1522,3 +1536,5 @@ MODULE_FIRMWARE("rtl_bt/rtl8852btu_config.bin");
MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw.bin");
MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw_v2.bin");
MODULE_FIRMWARE("rtl_bt/rtl8852cu_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8922au_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8922au_config.bin");
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 06e915b57283..d4aa9a84979b 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -556,6 +556,17 @@ static const struct usb_device_id quirks_table[] = {
/* Realtek 8852BT/8852BE-VT Bluetooth devices */
{ USB_DEVICE(0x0bda, 0x8520), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
+
+ /* Realtek 8922AE Bluetooth devices */
+ { USB_DEVICE(0x0bda, 0x8922), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3617), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3616), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0489, 0xe130), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+
/* Realtek Bluetooth devices */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
.driver_info = BTUSB_REALTEK },
--
2.25.1
