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path: root/drivers/bluetooth/btrtl.c
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Diffstat (limited to 'drivers/bluetooth/btrtl.c')
-rw-r--r--drivers/bluetooth/btrtl.c43
1 files changed, 40 insertions, 3 deletions
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index a4f7cace66b0..e7fe5fb22753 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -38,6 +38,19 @@
.hci_ver = (hciv), \
.hci_bus = (bus)
+enum btrtl_chip_id {
+ CHIP_ID_8723A,
+ CHIP_ID_8723B,
+ CHIP_ID_8821A,
+ CHIP_ID_8761A,
+ CHIP_ID_8822B = 8,
+ CHIP_ID_8723D,
+ CHIP_ID_8821C,
+ CHIP_ID_8822C = 13,
+ CHIP_ID_8761B,
+ CHIP_ID_8852A = 18,
+};
+
struct id_table {
__u16 match_flags;
__u16 lmp_subver;
@@ -58,6 +71,7 @@ struct btrtl_device_info {
u8 *cfg_data;
int cfg_len;
bool drop_fw;
+ int project_id;
};
static const struct id_table ic_id_table[] = {
@@ -307,8 +321,10 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
/* Find project_id in table */
for (i = 0; i < ARRAY_SIZE(project_id_to_lmp_subver); i++) {
- if (project_id == project_id_to_lmp_subver[i].id)
+ if (project_id == project_id_to_lmp_subver[i].id) {
+ btrtl_dev->project_id = project_id;
break;
+ }
}
if (i >= ARRAY_SIZE(project_id_to_lmp_subver)) {
@@ -658,6 +674,12 @@ out_free:
}
}
+ /* RTL8822CE supports the Microsoft vendor extension and uses 0xFCF0
+ * for VsMsftOpCode.
+ */
+ if (lmp_subver == RTL_ROM_LMP_8822B)
+ hci_set_msft_opcode(hdev, 0xFCF0);
+
return btrtl_dev;
err_free:
@@ -708,13 +730,28 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
ret = btrtl_download_firmware(hdev, btrtl_dev);
- btrtl_free(btrtl_dev);
-
/* Enable controller to do both LE scan and BR/EDR inquiry
* simultaneously.
*/
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+ /* Enable central-peripheral role (able to create new connections with
+ * an existing connection in slave role).
+ */
+ /* Enable WBS supported for the specific Realtek devices. */
+ switch (btrtl_dev->project_id) {
+ case CHIP_ID_8822C:
+ case CHIP_ID_8852A:
+ set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
+ set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
+ break;
+ default:
+ rtl_dev_dbg(hdev, "Central-peripheral role not enabled.");
+ rtl_dev_dbg(hdev, "WBS supported not enabled.");
+ break;
+ }
+
+ btrtl_free(btrtl_dev);
return ret;
}
EXPORT_SYMBOL_GPL(btrtl_setup_realtek);