From: Max Chou <max.chou@realtek.com>
Date: Tue, 10 Nov 2020 11:38:37 +0800
Subject: Bluetooth: btusb: btrtl: Add support for RTL8852A
Patch-mainline: v5.11-rc1
Git-commit: 0d484db60fc0c5f8848939a61004c6fa01fad61a
References: bsc#weissnich
Add the support for RTL8852A 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=02 Lev=02 Prnt=02 Port=05 Cnt=01 Dev#= 10 Spd=12 MxCh= 0
D: Ver= 1.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0bda ProdID=c852 Rev= 0.00
S: Manufacturer=Realtek
S: Product=Bluetooth Radio
S: SerialNumber=00e04c000001
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
Signed-off-by: Max Chou <max.chou@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Martin Wilck <mwilck@suse.com>
---
drivers/bluetooth/btrtl.c | 12 ++++++++++++
drivers/bluetooth/btusb.c | 4 ++++
2 files changed, 16 insertions(+)
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -25,6 +25,7 @@
#define RTL_ROM_LMP_8821A 0x8821
#define RTL_ROM_LMP_8761A 0x8761
#define RTL_ROM_LMP_8822B 0x8822
+#define RTL_ROM_LMP_8852A 0x8852
#define RTL_CONFIG_MAGIC 0x8723ab55
#define IC_MATCH_FL_LMPSUBV (1 << 0)
@@ -168,6 +169,13 @@ static const struct id_table ic_id_table
.has_rom_version = true,
.fw_name = "rtl_bt/rtl8822b_fw.bin",
.cfg_name = "rtl_bt/rtl8822b_config" },
+
+ /* 8852A */
+ { IC_INFO(RTL_ROM_LMP_8852A, 0xa, 0xb, HCI_USB),
+ .config_needed = false,
+ .has_rom_version = true,
+ .fw_name = "rtl_bt/rtl8852au_fw.bin",
+ .cfg_name = "rtl_bt/rtl8852au_config" },
};
static const struct id_table *btrtl_match_ic(u16 lmp_subver, u16 hci_rev,
@@ -275,6 +283,7 @@ static int rtlbt_parse_firmware(struct h
{ RTL_ROM_LMP_8821A, 10 }, /* 8821C */
{ RTL_ROM_LMP_8822B, 13 }, /* 8822C */
{ RTL_ROM_LMP_8761A, 14 }, /* 8761B */
+ { RTL_ROM_LMP_8852A, 18 }, /* 8852A */
};
min_size = sizeof(struct rtl_epatch_header) + sizeof(extension_sig) + 3;
@@ -660,6 +669,7 @@ int btrtl_download_firmware(struct hci_d
case RTL_ROM_LMP_8821A:
case RTL_ROM_LMP_8761A:
case RTL_ROM_LMP_8822B:
+ case RTL_ROM_LMP_8852A:
return btrtl_setup_rtl8723b(hdev, btrtl_dev);
default:
rtl_dev_info(hdev, "assuming no firmware upload needed");
@@ -835,3 +845,5 @@ MODULE_FIRMWARE("rtl_bt/rtl8821a_fw.bin"
MODULE_FIRMWARE("rtl_bt/rtl8821a_config.bin");
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");
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -363,6 +363,10 @@ static const struct usb_device_id blackl
{ USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
+ /* Realtek 8852AE Bluetooth devices */
+ { USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+
/* Realtek Bluetooth devices */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
.driver_info = BTUSB_REALTEK },