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Subject[PATCH] Bluetooth: btrtl: Add support for RTL8852B
Date
From: Max Chou <max.chou@realtek.com>

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>
---
drivers/bluetooth/btrtl.c | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index c2030f7e25b4..481d488bca0f 100644
--- 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 hci_dev *hdev,
{ 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 *hdev, struct btrtl_device_info *btrtl_dev)
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");
--
2.17.1
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