From: Tim Jiang <tjiang@xxxxxxxxxxxxxx>
we define many nvm files for wcn6855 btsoc and host driver
should find the correct nvm file based on board ID and then
download it.
Signed-off-by: Tim Jiang <tjiang@xxxxxxxxxxxxxx>
---
drivers/bluetooth/btusb.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 3bbe8f43e7fa..66e19085e0fa 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3474,7 +3474,8 @@ struct qca_version {
__le32 rom_version;
__le32 patch_version;
__le32 ram_version;
- __le32 ref_clock;
+ __u16 board_id;
+ __u8 flag[2];
__u8 reserved[4];
} __packed;
@@ -3657,8 +3658,13 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
char fwname[64];
int err;
- snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
- le32_to_cpu(ver->rom_version));
+ if (ver->flag[1] == 0x80) { //check board id for wcn6855
+ snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin",
+ le32_to_cpu(ver->rom_version), le16_to_cpu(ver->board_id));
+ } else {
+ snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
+ le32_to_cpu(ver->rom_version));
+ }
err = request_firmware(&fw, fwname, &hdev->dev);
if (err) {
@@ -3725,6 +3731,11 @@ static int btusb_setup_qca(struct hci_dev *hdev)
return err;
}
+ err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
+ sizeof(ver));
+ if (err < 0)
+ return err;
+
if (!(status & QCA_SYSCFG_UPDATED)) {
err = btusb_setup_qca_load_nvm(hdev, &ver, info);
if (err < 0)
--
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