the RF performance of wcn6855 soc chip from different foundries will be
difference, so we should use different nvm to configure them.
Signed-off-by: Zijun Hu <[email protected]>
---
drivers/bluetooth/btusb.c | 51 +++++++++++++++++++++++++++++++++++------------
1 file changed, 38 insertions(+), 13 deletions(-)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 928cbfa4c42d..7b23cfd131f6 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3161,6 +3161,9 @@ static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,
#define QCA_DFU_TIMEOUT 3000
#define QCA_FLAG_MULTI_NVM 0x80
+#define WCN6855_2_0_RAM_VERSION_GF 0x400c1200
+#define WCN6855_2_1_RAM_VERSION_GF 0x400c1211
+
struct qca_version {
__le32 rom_version;
__le32 patch_version;
@@ -3192,6 +3195,7 @@ static const struct qca_device_info qca_devices_table[] = {
{ 0x00000302, 28, 4, 16 }, /* Rome 3.2 */
{ 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
{ 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */
+ { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */
};
static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
@@ -3346,6 +3350,31 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
return err;
}
+static void btusb_generate_qca_nvm_name(char *fwname,
+ size_t max_size,
+ struct qca_version *ver,
+ char *variant)
+{
+ char *sep = (strlen(variant) == 0) ? "" : "_";
+ u16 board_id = le16_to_cpu(ver->board_id);
+ u32 rom_version = le32_to_cpu(ver->rom_version);
+
+ if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
+ /* if boardid equal 0, use default nvm without suffix */
+ if (board_id == 0x0) {
+ snprintf(fwname, max_size, "qca/nvm_usb_%08x%s%s.bin",
+ rom_version, sep, variant);
+ } else {
+ snprintf(fwname, max_size, "qca/nvm_usb_%08x%s%s_%04x.bin",
+ rom_version, sep, variant, board_id);
+ }
+ } else {
+ snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin",
+ rom_version);
+ }
+
+}
+
static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
struct qca_version *ver,
const struct qca_device_info *info)
@@ -3354,19 +3383,15 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
char fwname[64];
int err;
- if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
- /* if boardid equal 0, use default nvm without surfix */
- if (le16_to_cpu(ver->board_id) == 0x0) {
- snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
- le32_to_cpu(ver->rom_version));
- } else {
- 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));
+ switch (ver->ram_version) {
+ case WCN6855_2_0_RAM_VERSION_GF:
+ case WCN6855_2_1_RAM_VERSION_GF:
+ btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver, "gf");
+ break;
+
+ default:
+ btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver, "");
+ break;
}
err = request_firmware(&fw, fwname, &hdev->dev);
--
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