Bluetooth: btrtl: Add support for RTL8852B

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>

diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index c2030f7e25b40b31cb6c380664e5c9ea1ef7bf5a..481d488bca0f8adb9a72d659148ccafaa86dc9d5 100644 (file)
--- 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");