Historically, WCN685x and QCA2066 shared the same firmware files. Now, changes are planned for the firmware that will make it incompatible with QCA2066, so a new firmware name is required for WCN685x.
Test Steps: - Boot device - Check the BTFW loading status via dmesg
Sanity pass and Test Log: QCA Downloading qca/wcnhpbftfw21.tlv Direct firmware load for qca/wcnhpbftfw21.tlv failed with error -2 QCA Downloading qca/hpbftfw21.tlv
Signed-off-by: Shuai Zhang shuai.zhang@oss.qualcomm.com --- drivers/bluetooth/btqca.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index 7c958d606..8e0004ef7 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -847,8 +847,12 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, "qca/msbtfw%02x.mbn", rom_ver); break; case QCA_WCN6855: + /* Due to historical reasons, WCN685x chip has been using firmware + * without the "wcn" prefix. The mapping between the chip and its + * corresponding firmware has now been corrected. + */ snprintf(config.fwname, sizeof(config.fwname), - "qca/hpbtfw%02x.tlv", rom_ver); + "qca/wcnhpbtfw%02x.tlv", rom_ver); break; case QCA_WCN7850: snprintf(config.fwname, sizeof(config.fwname), @@ -861,6 +865,13 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, }
err = qca_download_firmware(hdev, &config, soc_type, rom_ver); + + if (!rampatch_name && err < 0 && soc_type == QCA_WCN6855) { + snprintf(config.fwname, sizeof(config.fwname), + "qca/hpbtfw%02x.tlv", rom_ver); + err = qca_download_firmware(hdev, &config, soc_type, rom_ver); + } + if (err < 0) { bt_dev_err(hdev, "QCA Failed to download patch (%d)", err); return err; @@ -923,7 +934,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, case QCA_WCN6855: qca_read_fw_board_id(hdev, &boardid); qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname), - "hpnv", soc_type, ver, rom_ver, boardid); + "wcnhpnv", soc_type, ver, rom_ver, boardid); break; case QCA_WCN7850: qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname), @@ -936,6 +947,13 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, }
err = qca_download_firmware(hdev, &config, soc_type, rom_ver); + + if (!firmware_name && err < 0 && soc_type == QCA_WCN6855) { + qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname), + "hpnv", soc_type, ver, rom_ver, boardid); + err = qca_download_firmware(hdev, &config, soc_type, rom_ver); + } + if (err < 0) { bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err); return err;